| Vorschaubild | Art, Unterart oder Varietät | Familie |  | Fotos von | 
| Preview pict. | Species, Subspecies, or Variety | Family |  | Photos from | 
|  | Cabomba caroliniana \ Feinblättrige Haarnixe, Riesen-Haarnixe / Carolina Fanwort, Green Cabomba |  | Cabombaceae \ Haarnixengew. / Fanwort Fam. |  | D | 
|  | Cakile maritima \ Europäischer Meersenf / Sea Rocket |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D 
F 
GR 
IRL 
Les 
NL 
Rho 
S 
Zyp | 
|  |  Calamagrostis \ Reitgras / Small Reed (4 Taxa) |  | Poaceae \ Süßgräser / Grass Fam. |  |  | 
|  |  Calamintha \ Wirbeldost, Bergminze / Calamint (9 Syn.) |  | Lamiaceae \ Lippenblütler / Mint Fam. |  |  | 
|  | Caldesia parnassifolia \ Herzblättrige Caldesie, Herzlöffel / Caldesia |  | Alismataceae \ Froschlöffelgew. / Water Plantain Fam.
 |  | D | 
|  |  Calendula \ Ringelblume / Marigold (4 Taxa + 1 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Calepina irregularis \ Wendich, Kalepine / White Ball-Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D 
F 
GR 
HR 
Les | 
|  | Calicium spec1 \ Stift-Flechte / Pin Lichen, Stubble Lichen ? |  | Teloschistales \ Krusten-Flechten / Crustose Lichens |  | D | 
|  |  Calicotome \ Dorn-Ginster / Thorny Broom (2 Taxa) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  |  Calla \ Calla / Bog Arum (1 Taxon + 1 Syn.) |  | Araceae \ Aronstabgewächse / Arum Fam. |  |  | 
|  |  Callianthemum \ Schmuckblume / Callianthemum (2 Taxa) |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  |  | 
|  |  Calliergonella \ Moos / Moss (1 Taxon + 1 Syn.) |  | Musci \ Laubmoose / Mosses |  |  | 
|  | Callistephus chinensis \ Sommer-Aster, Prinzess-Aster / China Aster |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  |  Callitriche \ Wasserstern / Water Starwort (11 Taxa) |  | Callitrichaceae \ Wassersterngew. / Water Starwort Fam.
 |  |  | 
|  | Calluna vulgaris \ Heidekraut, Besen-Heide / Heather |  | Ericaceae \ Heidekrautgew. / Heather Fam. |  | D 
E 
F 
I 
IRL | 
|  |  Caloplaca \ Krusten-Flechte / Crustose Lichen (2 Taxa) |  | Teloschistales \ Krusten-Flechten / Crustose Lichens |  |  | 
|  |  Caltha \ Dotterblume / Marigold (2 Taxa) |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  |  | 
|  | Calycocorsus stipitatus −−> Willemetia stipitata |  | Asteraceae \ Korbblütler / Composite Fam. |  | A | 
|  |  Calystegia \ Winde / Bindweed (5 Taxa) |  | Convolvulaceae \ Windengew. / Bindweed Fam. |  |  | 
|  |  Camelina \ Leindotter / Gold of Pleasure (3 Taxa) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  |  Campanula \ Glockenblume / Bellflower (60 Taxa + 9 Syn.) |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  |  | 
|  | Camphorosma annua \ Einjähriges Kampferkraut / Annual Camphorherb |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  | A | 
|  |  Campsis \ Kletter-Trompete / Trumpet Wine (1 Taxon + 1 Syn.) |  | Bignoniaceae \ Trompetenbaumgew. / Catalpa Fam. |  |  | 
|  | Campylanthus salsoloides \ Kanaren-Krummblüte / Campylanthus |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | Ten | 
|  | Campylopus introflexus \ Kaktus-Moos / Heath Star Moss |  | Musci \ Laubmoose / Mosses |  | D 
S | 
|  | Canarina canariensis \ Kanaren-Glockenblume / Canary Island Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | Ten | 
|  | Candelaria pacifica \ Leuchterflechte / Eggyolk Lichen |  | Lecanorales \ Flechten / Lichens |  | D | 
|  |  Candelariella \ Leuchterflechte / Eggyolk Lichen (2 Taxa) |  | Lecanorales \ Flechten / Lichens |  |  | 
|  |  Cannabis \ Hanf / Hemp (2 Taxa + 1 Syn.) |  | Cannabaceae \ Hanfgewächse / Hop Fam. |  |  | 
|  |  Capparis \ Kapernstrauch / Caper (3 Taxa + 4 Syn.) |  | Capparaceae \ Kaperngewächse / Caper Fam. |  |  | 
|  |  Capsella \ Hirtentäschel / Shepherd's Purse (5 Taxa + 1 Syn.) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  | Caragana arborescens \ Gemeiner Erbsenstrauch / Siberian Pea-Tree |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D | 
|  |  Cardamine \ Schaumkraut, Zahnwurz / Bitter-Cress, Cuckooflower (24 Taxa + 5 Syn.) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  |  Cardaminopsis \ Schaumkresse / Rock-Cress (6 Syn.) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  | Cardaria draba −−> Lepidium draba |  | Brassicaceae \ Kreuzblütler / Crucifers |  | A 
D 
Sam | 
|  | Carduncellus mitissimus −−> Carthamus mitissimus |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  |  Carduus \ Distel, Ringdistel / Thistle (21 Taxa + 4 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Carex \ Segge / Sedge (106 Taxa + 17 Syn.) |  | Cyperaceae \ Sauergräser / Sedge Fam. |  |  | 
|  | Carica papaya \ Papayabaum, Melonenbaum / Papaw, Papaya |  | Caricaceae \ Melonenbaumgew. / Papaya Fam. |  | D 
Ten | 
|  |  Carlina \ Golddistel, Eberwurz / Carline Thistle (9 Taxa + 2 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Carpinus betulus \ Hain-Buche, Weiß-Buche / Hornbeam |  | Betulaceae \ Birkengew. / Birch Fam. |  | D 
HR | 
|  |  Carpobrotus \ Mittagsblume / Fig (2 Taxa) |  | Aizoazeae \ Mittagsblumengew. / Ice Plant Fam. |  |  | 
|  |  Carthamus \ Färberdistel / Safflower, Thistle (4 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Carum \ Kümmel / Caraway (4 Taxa + 1 Syn.) |  | Apiaceae \ Doldenblütler / Umbellifers |  |  | 
|  |  Caryopteris \ Bartblume / Bluebeard (2 Taxa + 1 Syn.) |  | Verbenaceae \ Eisenkrautgew. / Verbena Fam. |  |  | 
|  | Cassia corymbosa −−> Senna corymbosa |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | GR | 
|  | Castanea sativa \ Edel-Kastanie, Ess-Kastanie / Sweet Chestnut |  | Fagaceae \ Buchengew. / Beech Fam. |  | D 
E 
HR | 
|  | Catabrosa aquatica \ Quell-Gras / Whorl Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | A 
D | 
|  | Catalpa bignonioides \ Gewöhnlicher Trompetenbaum, Beamtenbaum / Common Catalpa, Indian Bean Tree |  | Bignoniaceae \ Trompetenbaumgew. / Catalpa Fam. |  | D | 
|  | Catananche caerulea \ Blaue Rasselblume / Blue Cupidone |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  |  Catapodium \ Steifgras / Fern Grass (2 Taxa) |  | Poaceae \ Süßgräser / Grass Fam. |  |  | 
|  | Catharinea undulata −−> Atrichum undulatum |  | Musci \ Laubmoose / Mosses |  | D | 
|  | Caucalis platycarpos \ Möhren-Haftdolde / Small Bur Parsley |  | Apiaceae \ Doldenblütler / Umbellifers |  | A 
D 
Les | 
|  | Cedronella canariensis \ Kanaren-Zitronenstrauch, Balsamstrauch / Canary Balm |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | Gom | 
|  |  Cedrus \ Zeder / Cedar (2 Taxa) |  | Pinaceae \ Kieferngewächse / Pine Fam. |  |  | 
|  | Celastrus orbiculatus \ Rundblättriger Baumwürger / Staff Vine |  | Celastraceae \ Spindelstrauchgew. / Spindle Fam. |  | D | 
|  |  Celtis \ Zürgelbaum / Hackberry, Nettle Tree (2 Taxa) |  | Ulmaceae \ Ulmengewächse / Elm Fam. |  |  | 
|  |  Cenchrus \ Federborsten-Gras / Fountain Grass (4 Taxa + 2 Syn.) |  | Poaceae \ Süßgräser / Grass Fam. |  |  | 
|  |  Centaurea \ Flockenblume / Knapweed, Star Thistle (67 Taxa + 16 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Centaurium \ Tausendgüldenkraut / Centaury (10 Taxa + 3 Syn.) |  | Gentianaceae \ Enziangew. / Gentian Fam. |  |  | 
|  |  Centranthus \ Spornblume / Valerian (5 Taxa) |  | Valerianaceae \ Baldriangew. / Valerian Fam. |  |  | 
|  | Centunculus minimus −−> Lysimachia minima |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F | 
|  |  Cephalaria \ Schuppenkopf / Scabiosa (3 Taxa) |  | Dipsacaceae \ Kardengewächse / Teasel Fam. |  |  | 
|  | Cephalorrhynchus tuberosus −−> Lactuca hispida |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR | 
|  |  Ceramium \ Horntang / Weed (2 Taxa + 1 Syn.) |  | Rhodophytina \ Rot-Algen / Red Algae |  |  | 
|  |  Cerastium \ Hornkraut / Mouse-Ear (37 Taxa + 10 Syn.) |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  |  | 
|  | Ceratocapnos claviculata \ Rankender Lerchensporn / Climbing Corydalis |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | D | 
|  |  Ceratocephala \ Hornköpfchen / Buttercup (1 Taxon + 1 Syn.) |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  |  | 
|  | Ceratonia siliqua \ Johannisbrot-Baum, Karube / Carob |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | GR 
HR 
Kre 
Mal 
Rho 
Zyp | 
|  |  Ceratophyllum \ Hornblatt / Hornwort (2 Taxa) |  | Ceratophyllaceae \ Hornblattgew. / Hornwort Fam. |  |  | 
|  | Cercis siliquastrum \ Judasbaum / Judas Tree |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D 
F 
GR 
I 
Kre 
Les 
Mal 
Rho 
Sam | 
|  |  Cerinthe \ Wachsblume / Honeywort, Cerinthe (4 Taxa + 1 Syn.) |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  |  | 
|  | Ceropegia fusca \ Rotbraune Leuchterblume / Brown-Flowered Wax-Plant |  | Apocynaceae \ Hundsgiftgew. / Periwinkle Fam. |  | Ten | 
|  | Cervaria rivini −−> Peucedanum cervaria |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
HR 
I | 
|  | Ceterach officinarum −−> Asplenium ceterach |  | Pteridopsida \ Echte Farne / True Ferns |  | Chi 
D 
F 
I 
IRL 
Kre 
Rho 
Sam | 
|  |  Cetraria \ Flechte / Lichen (1 Taxon + 1 Syn.) |  | Lecanorales \ Flechten / Lichens |  |  | 
|  |  Chaenomeles \ Zierquitte / Quince (2 Taxa) |  | Rosaceae \ Rosengewächse / Rose Fam. |  |  | 
|  |  Chaenorhinum \ Orant, Leinkraut / Toadflax (3 Taxa) |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  |  | 
|  | Chaenostoma cordatum \ Schneeflockenblume, Bacopa / Bacopa |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | D 
F | 
|  |  Chaerophyllum \ Kälberkropf / Chervil (8 Taxa + 1 Syn.) |  | Apiaceae \ Doldenblütler / Umbellifers |  |  | 
|  |  Chaiturus \ Echtes Herzgespann, Löwenschwanz / Motherwort (2 Syn.) |  | Lamiaceae \ Lippenblütler / Mint Fam. |  |  | 
|  | Chamaecyparis lawsoniana \ Lawsons Schein-Zypresse / Lawson False Cypress, Port Orford Cedar |  | Cupressaceae \ Zypressengew. / Cypresse Fam. |  | D | 
|  |  Chamaecytisus \ Ginster, Geißklee / Broom (7 Syn.) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  |  Chamaemelum \ Kamille / Chamomile (1 Taxon + 1 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Chamaemespilus alpina −−> Sorbus chamaemespilus |  | Rosaceae \ Rosengewächse / Rose Fam. |  | A 
D 
I | 
|  |  Chamaenerion \ Weidenröschen / Willowherb (3 Syn.) |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  |  | 
|  |  Chamaerops \ Palme / Fan Palm (2 Taxa) |  | Arecaceae \ Palmen / Palm Fam. |  |  | 
|  | Chamaespartium sagittale −−> Genista sagittalis |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D 
F 
HR 
I | 
|  |  Chamaesyce \ Wolfsmilch, Schiefblatt-Wolfsmilch / Spurge (7 Taxa) |  | Euphorbiaceae \ Wolfsmilchgew. / Spurge Fam. |  |  | 
|  |  Chamerion \ Weidenröschen / Willowherb (3 Syn.) |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  |  | 
|  |  Chamomilla \ Kamille / Mayweed (2 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Chara spec1 \ Armleuchter-Alge / Brittleword, Stoneword ? |  | Characeae \ Armleuchter-Algen / Stoneworts |  | D | 
|  |  Charybdis \ Meerzwiebel / Sea Squill (4 Syn.) |  | Liliaceae \ Liliengewächse / Lily Fam. |  |  | 
|  |  Cheilanthes \ Lippenfarn / Lip Fern (1 Taxon + 3 Syn.) |  | Pteridopsida \ Echte Farne / True Ferns |  |  | 
|  | Cheiranthus cheiri −−> Erysimum cheiri |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D 
F 
HR 
Sam | 
|  | Chelidonium majus \ Großes Schöllkraut / Greater Celandine |  | Papaveraceae \ Mohngewächse / Poppy Fam. |  | D 
F | 
|  |  Chenopodiastrum \ Gänsefuß / Goosefoot (2 Syn.) |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  |  | 
|  |  Chenopodium \ Gänsefuß / Goosefoot (21 Taxa + 18 Syn.) |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  |  | 
|  |  Cherleria \ Miere / Sandwort (4 Syn.) |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  |  | 
|  |  Chiliadenus \ Felsen-Tee / Rock Tea (1 Taxon + 1 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Chimaphila umbellata \ Doldiges Wintergrün / Pipsissewa |  | Pyrolaceae \ Wintergrüngew. / Wintergreen Fam. |  | D 
PL | 
|  |  Chionodoxa \ Blaustern / Squill (6 Syn.) |  | Liliaceae \ Liliengewächse / Lily Fam. |  |  | 
|  | Chlorocrepis staticifolia −−> Tolpis staticifolia |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
F | 
|  | Chlorophytum comosum \ Grünlilie / Spider Plant, St.Bernard's Lily |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D | 
|  |  Chondrilla \ Knorpellattich / Skeletonweed (2 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Chondrus crispus \ Gemeiner Knorpeltang, Irisch-Moos / Irish Moss, Carrageen Moss ? |  | Rhodophytina \ Rot-Algen / Red Algae |  | Chi | 
|  | Chorispora tenella \ Zarte Rettichlevkoje / Crossflower |  | Brassicaceae \ Kreuzblütler / Crucifers |  | A | 
|  | Chouardia litardierei −−> Scilla litardierei |  | Liliaceae \ Liliengewächse / Lily Fam. |  | HR | 
|  |  Chrozophora \ Lackmuskraut / Turnasole, Chrozophora (2 Taxa) |  | Euphorbiaceae \ Wolfsmilchgew. / Spurge Fam. |  |  | 
|  |  Chrysanthemum \ Wucherblume / Daisy (6 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Chrysaspis \ Klee / Clover, Trefoil (7 Syn.) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  |  Chrysosplenium \ Milzkraut / Golden-Saxifrage (2 Taxa) |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  |  | 
|  | Cicendia filiformis \ Heide-Zindelkraut / Slender Cicendia, Yellow Centaury |  | Gentianaceae \ Enziangew. / Gentian Fam. |  | D | 
|  |  Cicer \ Kichererbse / Chick-Pea (2 Taxa) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  |  Cicerbita \ Milchlattich / Blue Sow-Thistle (3 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Cichorium \ Wegwarte, Endivie / Chicory (6 Taxa + 1 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Cicuta virosa \ Wasser-Schierling / Cowbane, Water Hemlock |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | Cionura erecta \ Aufrechter Hundswürger / Milkweed |  | Asclepiadaceae \ Schwalbenwurzgew. / Milkweed Fam. |  | D | 
|  |  Circaea \ Hexenkraut / Enchanter's Nightshade (4 Taxa + 1 Syn.) |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  |  | 
|  |  Cirsium \ Kratzdistel, Distel / Thistle (21 Taxa + 4 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Cistus \ Zistrose / Rock-Rose, Cistus (10 Taxa) |  | Cistaceae \ Zistrosengew. / Rockrose Fam. |  |  | 
|  |  Citrullus \ Wasser-Melone / Water Melon (2 Taxa) |  | Cucurbitaceae \ Gurkengewächse / Cucumber Fam. |  |  | 
|  |  Citrus \ Zitrusfrucht / Citrus Fruit (5 Taxa + 3 Syn.) |  | Rutaceae \ Rautengewächse / Rue Fam. |  |  | 
|  | Cladium mariscus \ Schneid-Ried / Great Fen Sedge |  | Cyperaceae \ Sauergräser / Sedge Fam. |  | A 
D 
HR | 
|  |  Cladonia \ Flechte / Lichen (22 Taxa + 1 Syn.) |  | Lecanorales \ Flechten / Lichens |  |  | 
|  | Clarkia amoena \ Atlasblume, Sommerazalee / Godetia, Farewell to Spring ? |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | Rho | 
|  |  Claytonia \ Tellerkraut / Lettuce (2 Taxa) |  | Portulacaceae \ Portulakgewächse / Purslane Fam.
 |  |  | 
|  |  Clematis \ Waldrebe / Clematis (8 Taxa) |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  |  | 
|  | Cleonia lusitanica \ Portugiesische Braunelle, Wohlriechende Braunelle / Sweet-Scented Cleonia |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D | 
|  | Clerodendrum trichotomum \ Japanischer Losbaum / Harlequin Glory Bower, Chance Tree |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D | 
|  |  Clinopodium \ Wirbeldost, Bergminze / Calamint (12 Taxa + 4 Syn.) |  | Lamiaceae \ Lippenblütler / Mint Fam. |  |  | 
|  | Clypeola jonthlaspi \ Echtes Schildkraut, Schildkresse / Disk Cress |  | Brassicaceae \ Kreuzblütler / Crucifers |  | GR | 
|  | Cneorum tricoccon \ Dreibeeriger Zeiland, Zwerg-Ölbaum / Spurge Olive |  | Cneoraceae \ Zwergölbaumgew. / Spurge Olive Fam.
 |  | F 
GR 
Mal | 
|  | Cnicus benedictus −−> Centaurea benedicta |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
Rho | 
|  | Cnidium dubium \ Sumpf-Brenndolde / Cnidium dubium |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  |  Cochlearia \ Löffelkraut / Scurvy-Grass (4 Taxa) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  | Codium fragile \ Grüner Leuchter, Finger-Alge / Dead Man's Fingers, Green Sea Fingers |  | Ulvales \ Grün-Algen / Green Algae |  | E 
NL | 
|  |  Coincya \ Lacksenf / Wallflower Cabbage (3 Taxa + 3 Syn.) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  |  Colchicum \ Zeitlose / Autumn Crocus (15 Taxa + 2 Syn.) |  | Liliaceae \ Liliengewächse / Lily Fam. |  |  | 
|  | Coleostephus myconis \ Kranz-Wucherblume / Yellow Daisy |  | Asteraceae \ Korbblütler / Composite Fam. |  | Cor 
F 
I | 
|  | Collomia grandiflora \ Großblumige Leimsaat / Large-Flowered Collomia |  | Polemoniaceae \ Sperrkrautgew. / Jacob's-Ladder Fam. |  | D | 
|  | Colpomenia peregrina \ Kartoffel-Alge, Austerndieb / Oyster Thief |  | Fucaceae \ Braun-Algen / Seaweeds |  | NL | 
|  | Colutea arborescens \ Blasenstrauch / Bladder Senna |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D 
GR 
HR | 
|  | Comarum palustre −−> Potentilla palustris |  | Rosaceae \ Rosengewächse / Rose Fam. |  | CH 
D 
S | 
|  |  Comastoma \ Enzian / Gentian (2 Syn.) |  | Gentianaceae \ Enziangew. / Gentian Fam. |  |  | 
|  | Commelina communis \ Tagblume, Gewöhnliche Kommeline / Spiderwort |  | Commelinaceae \ Kommelinengew. / Spiderwort Fam. |  | D | 
|  | Conium maculatum \ Gefleckter Schierling, Flecken-Schierling / Hemlock |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
DK | 
|  | Conocephalum conicum \ Kegelkopf-Lebermoos / Scented Liverwort |  | Marchantiales \ Lebermoose / Liverworts |  | A 
D 
HR | 
|  | Conopodium majus \ Französische Erdkastanie / Pignut |  | Apiaceae \ Doldenblütler / Umbellifers |  | F 
I | 
|  |  Conringia \ Ackerkohl / Hare's Ear, Mustard (2 Taxa) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  |  Consolida \ Rittersporn / Larkspur (5 Syn.) |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  |  | 
|  | Convallaria majalis \ Maiglöckchen / Lily of the Valley |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D | 
|  |  Convolvulus \ Winde / Bindweed (12 Taxa + 1 Syn.) |  | Convolvulaceae \ Windengew. / Bindweed Fam. |  |  | 
|  |  Conyza \ Berufkraut, Feinstrahl / Fleabane (6 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Corallina officinalis \ Derbes Korallenmoos / Red Seaweed |  | Rhodophytina \ Rot-Algen / Red Algae |  | E | 
|  |  Coreopsis \ Mädchenauge / Tickseed, Coreopsis (2 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Coriandrum sativum \ Koriander / Coriander Seeds, Cilandro |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
F 
S | 
|  | Coriaria myrtifolia \ Europäischer Gerber-Strauch, Französischer Sumach / Myrtle-Leaved Coriaria, Currier's Sumach |  | Coriariaceae \ Gerberstrauchgew. / Coriaria Fam. |  | F | 
|  | Coridothymus capitatus −−> Thymbra capitata |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | GR 
Rho 
Zyp | 
|  | Coris monspeliensis \ Stachelträubchen / Montpellier Coris |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F 
Mal | 
|  |  Corispermum \ Wanzensame / Bugseed (2 Taxa + 1 Syn.) |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  |  | 
|  | Coristospermum lucidum −−> Ligusticum lucidum |  | Apiaceae \ Doldenblütler / Umbellifers |  | E 
F | 
|  | Cormus domestica −−> Sorbus domestica |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D 
E | 
|  |  Cornus \ Hartriegel / Dogwood (5 Taxa + 1 Syn.) |  | Cornaceae \ Hartriegelgew. / Dogwood Fam. |  |  | 
|  |  Coronilla \ Kronwicke / Scorpion Vetch, Crownvetch (8 Taxa + 7 Syn.) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  |  Coronopus \ Kresse / Pepperwort, Pepperweed (2 Syn.) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  | Corrigiola litoralis \ Hirschsprung / Strapwort |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | D 
F | 
|  | Cortaderia selloana \ Amerikanisches Pampas-Gras / Pampas Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | D 
F 
Rho | 
|  | Cortusa matthioli −−> Primula matthioli |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | A 
F | 
|  |  Corydalis \ Lerchensporn / Corydalis (10 Taxa + 2 Syn.) |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  |  | 
|  |  Corylus \ Hasel / Hazel (2 Taxa) |  | Betulaceae \ Birkengew. / Birch Fam. |  |  | 
|  | Corymbia ficifolia −−> Eucalyptus ficifolia |  | Myrtaceae \ Myrtengewächse / Myrtle Fam. |  | D | 
|  | Corynephorus canescens \ Graues Silbergras / Grey Hair-Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | Cosentinia vellea \ Wolliger Pelzfarn / Scaly Cheilanthes, Wooly Lip Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | Ten | 
|  | Cosmea bipinnata −−> Cosmos bipinnatus |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D | 
|  | Cosmos bipinnatus \ Schmuckkörbchen, Fiederblättrige Schmuckblume / Garden Cosmos, Mexican Aster |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D | 
|  | Cota palaestina −−> Anthemis palaestina |  | Asteraceae \ Korbblütler / Composite Fam. |  | Les 
Zyp | 
|  | Cotinus coggygria \ Perückenstrauch / Smoke Tree |  | Anacardiaceae \ Sumachgewächse / Sumach Fam. |  | GR 
HR 
I | 
|  |  Cotoneaster \ Zwergmispel / Cotoneaster (11 Taxa + 3 Syn.) |  | Rosaceae \ Rosengewächse / Rose Fam. |  |  | 
|  |  Cotula \ Laugenblume, Fiederpolster / Brassbuttons, Waterbuttons (4 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  |  Crambe \ Meerkohl / Kale (3 Taxa) |  | Brassicaceae \ Kreuzblütler / Crucifers |  |  | 
|  |  Crassula \ Dickblatt / Pygmyweed (3 Taxa + 1 Syn.) |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  |  | 
|  |  Crataegus \ Weißdorn / Hawthorn (15 Taxa + 9 Syn.) |  | Rosaceae \ Rosengewächse / Rose Fam. |  |  | 
|  | Cratoneuron commutatum −−> Palustriella commutata |  | Musci \ Laubmoose / Mosses |  | D 
HR | 
|  |  Crepis \ Pippau / Hawk's-Beard (39 Taxa + 15 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Crithmum maritimum \ Meer-Fenchel / Rock Samphire |  | Apiaceae \ Doldenblütler / Umbellifers |  | E 
F 
GR 
I 
IRL 
NL | 
|  |  Crocosmia \ Montbretie / Montbretia (1 Taxon + 1 Syn.) |  | Iridaceae \ Irisgewächse / Iris Fam. |  |  | 
|  |  Crocus \ Krokus / Crocus (24 Taxa + 4 Syn.) |  | Iridaceae \ Irisgewächse / Iris Fam. |  |  | 
|  |  Crucianella \ Kreuzblatt / Crosswort (3 Taxa + 1 Syn.) |  | Rubiaceae \ Rötegewächse / Bedstraw Fam. |  |  | 
|  |  Cruciata \ Kreuzlabkraut / Crosswort (3 Taxa + 1 Syn.) |  | Rubiaceae \ Rötegewächse / Bedstraw Fam. |  |  | 
|  |  Crupina \ Schlupfsame / Crupina (2 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Crypsis aculeata −−> Sporobolus aculeatus |  | Poaceae \ Süßgräser / Grass Fam. |  | A | 
|  |  Cryptocoryne \ Wasserkelch / Cryptocoryne (2 Taxa) |  | Araceae \ Aronstabgewächse / Arum Fam. |  |  | 
|  | Cryptogramma crispa \ Krauser Rollfarn / Parsley Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | A 
Cor 
F | 
|  | Cucubalus baccifer −−> Silene baccifera |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | D 
F 
I | 
|  |  Cucumis \ Melone / Melon (2 Taxa) |  | Cucurbitaceae \ Gurkengewächse / Cucumber Fam. |  |  | 
|  |  Cucurbita \ Kürbis / Marrow (2 Taxa + 1 Syn.) |  | Cucurbitaceae \ Gurkengewächse / Cucumber Fam. |  |  | 
|  |  Cupressus \ Zypresse / Cypress (2 Taxa + 2 Syn.) |  | Cupressaceae \ Zypressengew. / Cypresse Fam. |  |  | 
|  |  Cuscuta \ Seide, Teufelszwirn / Dodder (11 Taxa + 1 Syn.) |  | Convolvulaceae \ Windengew. / Bindweed Fam. |  |  | 
|  |  Cyanus \ Flockenblume / Knapweed, Star Thistle (3 Syn.) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Cyclachaena xanthiifolia −−> Iva xanthiifolia |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  |  Cyclamen \ Alpenveilchen / Cyclamen (11 Taxa) |  | Primulaceae \ Primelgewächse / Primrose Fam. |  |  | 
|  | Cyclospermum leptophyllum \ Dünnblättriger Kreissame / Marsh Parsley, Fir-Leaved Celery |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | Cydonia oblonga \ Quitte / Quince |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D 
Les | 
|  |  Cylindropuntia \ Cylindropuntia / Cylindropuntia (2 Taxa) |  | Cactaceae \ Kakteen / Cactus Fam. |  |  | 
|  |  Cymbalaria \ Zimbelkraut / Toadflax (6 Taxa) |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  |  | 
|  | Cymbopogon hirtus −−> Hyparrhenia hirta |  | Poaceae \ Süßgräser / Grass Fam. |  | F 
I 
Rho | 
|  |  Cynanchum \ Schwalbenwurz / Swallow Wort (1 Taxon + 1 Syn.) |  | Asclepiadaceae \ Schwalbenwurzgew. / Milkweed Fam. |  |  | 
|  |  Cynara \ Artischocke / Cardoon (3 Taxa) |  | Asteraceae \ Korbblütler / Composite Fam. |  |  | 
|  | Cynodon dactylon \ Hundszahn-Gras / Bermuda Grass, Cocksfoot Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | A 
Cor 
D 
E 
F 
GR 
NL 
Zyp | 
|  |  Cynoglossum \ Hundszunge / Hound's-Tongue (9 Taxa) |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  |  | 
|  |  Cynoglottis \ Ochsenzunge / Alkanet (2 Taxa) |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  |  | 
|  | Cynomorium coccineum \ Malteserschwamm / Maltese Fungus, Desert Thumb |  | Balanophoraceae \ Hundskolbengewächse / Cynomorium Fam.
 |  | Siz | 
|  |  Cynosurus \ Kammgras / Dogstail (3 Taxa + 1 Syn.) |  | Poaceae \ Süßgräser / Grass Fam. |  |  | 
|  |  Cyperus \ Zypergras / Flatsedge (9 Taxa) |  | Cyperaceae \ Sauergräser / Sedge Fam. |  |  | 
|  | Cyphomandra abutiloides −−> Solanum abutiloides |  | Solanaceae \ Nachtschattengew. / Nightshade Fam. |  | D | 
|  |  Cyrtomium \ Sichelfarn / Holly Fern (2 Taxa) |  | Pteridopsida \ Echte Farne / True Ferns |  |  | 
|  |  Cystopteris \ Blasenfarn / Bladder Fern (3 Taxa) |  | Pteridopsida \ Echte Farne / True Ferns |  |  | 
|  | Cystoseira abies-marina \ Ährentang / Atlantic Brown Alga ? |  | Fucaceae \ Braun-Algen / Seaweeds |  | Cor | 
|  |  Cytinus \ Zistrosen-Würger / Cytinus (2 Taxa + 1 Syn.) |  | Rafflesiaceae \ Schmarotzerblumengew. / Cytine Fam. |  |  | 
|  | Cytisophyllum sessilifolium \ Südlicher Geißklee, Blattstielloser Geißklee / Sessile-Leaved Tick Trefoil |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | F 
I | 
|  |  Cytisus \ Ginster, Geißklee / Broom (15 Taxa + 4 Syn.) |  | Fabaceae \ Schmetterlingsblütler / Legumes |  |  | 
|  | cacaliaster subsp. hercynicus, Senecio −−> Senecio hercynicus |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D | 
|  | cadmicus subsp. cyprius, Ranunculus \ Zypern-Hahnenfuß / Cyprus Buttercup |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | Zyp | 
|  | caerulea subsp. litoralis, Molinia −−> Molinia arundinacea |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  caerulea (7 Taxa + 1 Syn.) |  |  |  |  | 
|  | caerulescens subsp. calaminaris, Noccaea −−> Noccaea caerulescens subsp. sylvestris |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  | caerulescens subsp. sylvestris, Noccaea \ Galmei-Hellerkraut, Galmei-Täschelkraut / Calaminarian Penny-Cress |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  |  caerulescens (2 Taxa + 1 Syn.) |  |  |  |  | 
|  |  caeruleum (3 Taxa + 1 Syn.) |  |  |  |  | 
|  | caesia subsp. subcollina, Rosa −−> Rosa subcollina |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  |  caesia (4 Taxa) |  |  |  |  | 
|  | caesiiglauca, Acaena \ Blaugraues Stachelnüsschen / Silver New Zealand Burr |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | caesium, Hieracium \ Bläulichgrünes Habichtskraut / Hawkweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D 
F | 
|  | caesius x idaeus, Rubus −−> Rubus x pseudidaeus |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | caesius, Rubus \ Kratzbeere / Dewberry |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | caespiticia, Cladonia \ Schuppenfrüchtige Becher-Flechte, Büschel-Flechte / Stubby-Stalked Clad Lichen |  | Lecanorales \ Flechten / Lichens |  | A 
D | 
|  |  caespitosa (2 Taxa + 4 Syn.) |  |  |  |  | 
|  | caespitosum x pilosella, Hieracium \ Hybrid-Wiesen-Habichtskraut / Yellow Hybrid Fox and Cubs |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  |  caespitosum (2 Taxa) |  |  |  |  | 
|  | cairica, Ipomoea \ Prunk-Winde / Morning Glory, Messina Creeper |  | Convolvulaceae \ Windengew. / Bindweed Fam. |  | Gom | 
|  |  calabrica (2 Taxa + 1 Syn.) |  |  |  |  | 
|  |  calamagrostis (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | calaminare, Thlaspi −−> Noccaea caerulescens subsp. sylvestris |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  | calaminaria, Viola \ Gelbes Galmei-Stiefmütterchen, Gelbes Galmei-Veilchen / Zinc Pansy |  | Violaceae \ Veilchengewächse / Violet Fam. |  | D | 
|  | calaminaris, Noccaea caerulescens subsp. −−> Noccaea caerulescens subsp. sylvestris |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  | calamintha, Clinopodium \ Kleinblütige Bergminze / Lesser Calamint |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D 
F 
GR 
HR 
I 
SLO | 
|  | calamus, Acorus \ Kalmus / Sweet Flag, Calamus |  | Araceae \ Aronstabgewächse / Arum Fam. |  | D | 
|  | calcarata subsp. zoysii, Viola −−> Viola zoysii |  | Violaceae \ Veilchengewächse / Violet Fam. |  | A | 
|  | calcarata, Viola \ Langsporniges Veilchen, Gesporntes Stiefmütterchen / Spurred Pansy |  | Violaceae \ Veilchengewächse / Violet Fam. |  | A 
F 
I | 
|  | calcarea, Polygala \ Kalk-Kreuzblume, Kalk-Kreuzblümchen / Chalk Milkwort |  | Polygalaceae \ Kreuzblumengew. / Milkwort Fam. |  | E 
F | 
|  | calcareum, Sempervivum \ Kalk-Hauswurz / Lime House-Leek |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | F | 
|  | calcicola, Xanthoria \ Gelb-Flechte / Yellow Lichen ? |  | Teloschistales \ Krusten-Flechten / Crustose Lichens |  | D | 
|  | calcitrapa, Centaurea \ Stern-Flockenblume, Fußangel-Flockenblume / Purple Star Thistle |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F 
HR 
I 
Sar | 
|  | calcitrapae, Centranthus \ Fußangel-Spornblume / Annual Valerian |  | Valerianaceae \ Baldriangew. / Valerian Fam. |  | Chi 
Cor 
D 
F 
Kre 
Mal 
Rho | 
|  | calendula, Arctotheca \ Kap-Löwenzahn / Cape Weed, Cape Marigold |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  | californica, Eschscholzia \ Kalifornischer Kappen-Mohn, Goldmohn / California Poppy |  | Papaveraceae \ Mohngewächse / Poppy Fam. |  | D 
Ten | 
|  |  californicum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | callosa subsp. callosa, Saxifraga \ Dickblättriger Steinbrech / Thick-Leaved Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | F | 
|  | callosa, Saxifraga callosa subsp. \ Dickblättriger Steinbrech / Thick-Leaved Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | F | 
|  |  calodon (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | calotheca, Atriplex \ Pfeilblättrige Melde / Hastate Orache |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  | S | 
|  | calthifolia, Ficaria \ Nacktstängel-Scharbockskraut / Fig Buttercup |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A | 
|  | calthifolius, Ranunculus ficaria subsp. −−> Ficaria calthifolia |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A | 
|  | calvus, Rubus \ Kahlköpfige Haselblatt-Brombeere / Bald-Headed Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | calycina, Amsinckia \ Schmalblättrige Amsinckie / Yellow Burweed, Hairy Fiddleneck |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  | D | 
|  |  calycinum (2 Taxa) |  |  |  |  | 
|  | calyculata, Tofieldia \ Gewöhnliche Simsenlilie / Mountain Scottish Asphodel |  | Liliaceae \ Liliengewächse / Lily Fam. |  | A 
D 
F 
HR 
I 
SLO | 
|  | camara, Lantana \ Wandelröschen / Large-Lef Lantana |  | Verbenaceae \ Eisenkrautgew. / Verbena Fam. |  | I 
Rho | 
|  |  cambessedesii (2 Taxa + 1 Syn.) |  |  |  |  | 
|  |  cambrica (2 Taxa) |  |  |  |  | 
|  |  cambricum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | campanulatum, Linum \ Glocken-Lein / Yellow Flax |  | Linaceae \ Leingewächse / Linseed Fam. |  | F | 
|  | campestre x monspessulanum, Acer \ Hybrid-Ahorn / Hybrid Maple |  | Aceraceae \ Ahorngewächse / Maple Fam. |  | D | 
|  |  campestre (4 Taxa + 2 Syn.) |  |  |  |  | 
|  | campestris subsp. glutinosa, Artemisia \ Klebriger Beifuß / Gluey Wormwood |  | Asteraceae \ Korbblütler / Composite Fam. |  | E | 
|  |  campestris x repens (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  campestris (7 Taxa + 2 Syn.) |  |  |  |  | 
|  | camptostachys, Rubus \ Bewimperte Haselblatt-Brombeere / Hairy Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | campylochila, Corydalis x −−> Corydalis cava x solida |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | D | 
|  | campylocladus, Lotus \ Kanarenkiefernwald-Hornklee / Tenerife Bird's-Foot Trefoil |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Ten | 
|  | campylopoda, Ephedra −−> Ephedra foeminea |  | Ephedraceae \ Meerträubchengew. / Joint Pine Fam.
 |  | GR 
Rho | 
|  |  cana (2 Taxa) |  |  |  |  | 
|  |  canadensis (4 Taxa + 1 Syn.) |  |  |  |  | 
|  | canaliculata, Saxifraga \ Rinniger Moos-Steinbrech / Spanish Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | E | 
|  | canaliculatus, Rubus \ Rinnige Brombeere / Grooved Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | canariense subsp. latifolium, Aeonium \ Flaches Greenovia / Yellow Houseleek |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | Gom | 
|  |  canariense (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | canariensis subsp. intermedia, Lobularia −−> Lobularia intermedia |  | Brassicaceae \ Kreuzblütler / Crucifers |  | Ten | 
|  |  canariensis (11 Taxa + 2 Syn.) |  |  |  |  | 
|  | cancellata, Atractylis \ Gitter-Spindelkraut / Distaff Thistle, Small Cnicus |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR 
Kre | 
|  | cancellatum, Limonium \ Gitter-Strandflieder / Lattice Sea Lavender |  | Plumbaginaceae \ Bleiwurzgew. / Thrift Fam. |  | HR | 
|  | cancellatus subsp. mazziaricus, Crocus \ Gitter-Herbst-Krokus / Mazziari's Autumn Crocus |  | Iridaceae \ Irisgewächse / Iris Fam. |  | GR | 
|  | candida subsp. verbascifolia, Inula −−> Pentanema verbascifolium subsp. verbascifolium |  | Asteraceae \ Korbblütler / Composite Fam. |  | HR | 
|  |  candida (2 Taxa) |  |  |  |  | 
|  | candidissimum, Cerastium \ Griechischer Silber-Teppich / Silver Carpet, Greek Snow in Summer |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | GR | 
|  |  candidum (2 Taxa) |  |  |  |  | 
|  |  candidus (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | candollei, Hieracium −−> Hieracium breviscapum |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  |  canescens (10 Taxa) |  |  |  |  | 
|  | canina subsp. bicolor, Scrophularia \ Zweifarbige Hunds-Braunwurz / Bicolor Figwort |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | GR 
HR 
Sam | 
|  |  canina (5 Taxa + 2 Syn.) |  |  |  |  | 
|  | caninitergi, Rubus \ Hunsrück-Brombeere / Hunsrück Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | caninum, Agropyron −−> Elymus caninus |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | caninus, Elymus \ Hunds-Quecke / Bearded Couch |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | cannabina, Althaea \ Hanf-Eibisch / Hemp-Leaved Mallow |  | Malvaceae \ Malvengewächse / Mallow Fam. |  | HR | 
|  | cannabinum, Eupatorium \ Wasserdost / Hemp Agrimony |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
E 
HR 
IRL 
NL | 
|  | canovirens, Oenothera \ Renners Nachtkerze, Graugrüne Nachtkerze / Renner's Evening Primrose |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  |  cantabrica (3 Taxa + 1 Syn.) |  |  |  |  | 
|  |  cantabricum (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | cantabrigiense, Geranium x \ Cambridge-Storchschnabel / Cambridge Crane's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | D | 
|  | canum subsp. ovatum, Galium \ Graufilziges Labkraut / Grey Wooly Bedstraw |  | Rubiaceae \ Rötegewächse / Bedstraw Fam. |  | Rho | 
|  |  canum (2 Taxa + 1 Syn.) |  |  |  |  | 
|  |  canus (2 Syn.) |  |  |  |  | 
|  |  capensis (2 Taxa + 1 Syn.) |  |  |  |  | 
|  |  caperata (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  capillacea (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | capillare, Panicum \ Haarästige Rispen-Hirse / Witchgrass |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  capillaris (3 Taxa) |  |  |  |  | 
|  | capillata, Stipa \ Haar-Pfriemengras / Feather-Grass, Needle Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | A 
D | 
|  | capillifolium, Sphagnum \ Spitzblättriges Torfmoos, Hain-Torfmoos / Red Peat Moss, Red Bog Moss |  | Sphagnopsida \ Torfmoose / Bog Mosses |  | D | 
|  | capillifrons, Dianthus carthusianorum subsp. \ Schmalblättrige Kartäuser-Nelke, Serpentin-Kartäuser-Nelke / Serpentine Carthusian Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A | 
|  | capillus-veneris, Adiantum \ Venushaar, Echter Frauenhaar-Farn / Maidenhair Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | E 
F 
GR 
Mal 
Rho 
Sam | 
|  |  capitata (6 Taxa) |  |  |  |  | 
|  |  capitatum (2 Taxa + 2 Syn.) |  |  |  |  | 
|  |  capitatus (2 Taxa + 3 Syn.) |  |  |  |  | 
|  | cappadocicum subsp. lobelii, Acer \ Kalabrischer Spitz-Ahorn / Calabrian Maple, Lobel's Maple |  | Aceraceae \ Ahorngewächse / Maple Fam. |  | D | 
|  | caprea x cinerea, Salix −−> Salix x reichardtii |  | Salicaceae \ Weidengewächse / Willow Fam. |  | D | 
|  | caprea x viminalis, Salix \ Weiden-Hybride / Hybrid Willow |  | Salicaceae \ Weidengewächse / Willow Fam. |  | D | 
|  |  caprea (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | capreola, Salix x −−> Salix aurita x caprea |  | Salicaceae \ Weidengewächse / Willow Fam. |  | A 
D 
NL | 
|  | capreolata, Fumaria \ Rankender Erdrauch / White Ramping Fumitory |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | Chi 
F 
I 
Kef 
Mal 
Rho | 
|  | caprifolium, Lonicera \ Garten-Geißblatt, Echtes Geißblatt / Italian Honeysuckle |  | Caprifoliaceae \ Geißblattgew. / Honeysuckle Fam.
 |  | D 
E 
F 
S | 
|  | caprinus, Astragalus \ Ziegen-Tragant / Goat Milk-Vetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Siz | 
|  | caput-felis, Helianthemum \ Katzenkopf-Sonnenröschen, Graublättriges Sonnenröschen / Cat's Head Rock-Rose |  | Cistaceae \ Zistrosengew. / Rockrose Fam. |  | Mal | 
|  | caput-galli, Onobrychis \ Hahnenkopf-Esparsette / Cock's-Head Sainfoin |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Chi 
GR 
Rho 
Sam 
Zyp | 
|  | caput-medusae, Taeniatherum \ Medusenhaupt / Medusahead Rye |  | Poaceae \ Süßgräser / Grass Fam. |  | GR 
I | 
|  | cardiaca subsp. cardiaca, Leonurus \ Echtes Herzgespann, Gewöhnlicher Löwenschwanz / Motherwort |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D 
S | 
|  | cardiaca subsp. villosus, Leonurus \ Zottiges Echtes Herzgespann, Löwenschwanz / Motherwort |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D 
F | 
|  | cardiaca, Leonurus cardiaca subsp. \ Echtes Herzgespann, Gewöhnlicher Löwenschwanz / Motherwort |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D 
S | 
|  | carduelis, Carduus \ Stieglitz-Ringdistel / Southeastern Thistle |  | Asteraceae \ Korbblütler / Composite Fam. |  | HR 
SLO | 
|  | cardunculus var. scolymus, Cynara \ Artischocke / Globe Artichoke, Cardoon |  | Asteraceae \ Korbblütler / Composite Fam. |  | Chi 
D 
GR | 
|  | cardunculus var. sylvestris, Cynara \ Wilde Artischocke / Cardoon |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR 
I | 
|  |  carica (3 Taxa) |  |  |  |  | 
|  | caricum, Sedum eriocarpum subsp. \ Karische Fetthenne / Carian Stonecrop |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | Rho | 
|  | carinata, Valerianella \ Gekielter Feld-Salat / Keeled-Fruited Corn Salad |  | Valerianaceae \ Baldriangew. / Valerian Fam. |  | D | 
|  | carinatum subsp. pulchellum, Allium \ Schöner Lauch / Pretty Keeled Garlic |  | Liliaceae \ Liliengewächse / Lily Fam. |  | HR 
I 
SLO | 
|  | carinatum, Allium \ Gekielter Lauch / Keeled Garlic |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D 
SLO | 
|  | carinatus, Bromus \ Gekielte Trespe, Plattähren-Trespe / Mountain Brome, California Brome |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  carinthiaca (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  carinthiacum (2 Taxa) |  |  |  |  | 
|  | carinthiacus, Ranunculus \ Kärntner Berg-Hahnenfuß / Carinthian Buttercup |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A 
D 
F | 
|  | carlinifolius, Carduus \ Eberwurzblättrige Distel / Carline-Leaved Thistle |  | Asteraceae \ Korbblütler / Composite Fam. |  | E | 
|  | carlinoides, Carduus \ Pyrenäen-Distel / Pyrenean Thistle |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  | carnea subsp. adfinis, Androsace −−> Androsace adfinis subsp. adfinis |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F | 
|  | carnea subsp. brigantiaca, Androsace −−> Androsace adfinis subsp. brigantiaca |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F | 
|  | carnea subsp. halleri, Androsace −−> Androsace halleri |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F | 
|  | carnea subsp. rosea, Androsace −−> Androsace halleri |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | F | 
|  |  carnea (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  carniolica (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | carniolicum subsp. albanicum, Lilium \ Albanische Lilie / Albanian Lily |  | Liliaceae \ Liliengewächse / Lily Fam. |  | GR | 
|  | carniolicum subsp. carniolicum, Lilium \ Krainer Lilie / Carniolan Lily |  | Liliaceae \ Liliengewächse / Lily Fam. |  | HR 
SLO | 
|  |  carniolicum (2 Taxa) |  |  |  |  | 
|  |  carniolicus (2 Taxa + 2 Syn.) |  |  |  |  | 
|  | carnosa, Iberis \ Fleischige Schleifenblume / Pruit's Candytuft |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D 
GR 
Rho 
Sam | 
|  | caroli-henrici, Scutellaria rupestris subsp. \ Peloponnes-Helmkraut / Peloponese Skullcap |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | GR | 
|  | carolinense, Solanum \ Carolina-Nachtschatten / Carolina Horsenettle |  | Solanaceae \ Nachtschattengew. / Nightshade Fam. |  | D | 
|  | caroliniana, Cabomba \ Feinblättrige Haarnixe, Riesen-Haarnixe / Carolina Fanwort, Green Cabomba |  | Cabombaceae \ Haarnixengew. / Fanwort Fam. |  | D | 
|  | carota agg., Daucus \ Wilde Möhre / Wild Carrot, Queen Anne's Lace |  | Apiaceae \ Doldenblütler / Umbellifers |  | A 
I | 
|  | carota subsp. carota, Daucus \ Wilde Möhre / Wild Carrot, Queen Anne's Lace |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | carota subsp. majoricus, Daucus \ Mallorca-Möhre / Mallorca Carrot |  | Apiaceae \ Doldenblütler / Umbellifers |  | Mal | 
|  | carota subsp. maritimus, Daucus \ Strand-Möhre / Sea-Side Carrot |  | Apiaceae \ Doldenblütler / Umbellifers |  | F 
Kef | 
|  | carota subsp. maximus, Daucus \ Riesen-Möhre / Bird's Nest |  | Apiaceae \ Doldenblütler / Umbellifers |  | Cor 
GR 
Mal 
Rho | 
|  | carota subsp. sativus, Daucus \ Mohrrübe, Karotte / Carrot |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | carota, Daucus carota subsp. \ Wilde Möhre / Wild Carrot, Queen Anne's Lace |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  |  carpatica (3 Taxa + 1 Syn.) |  |  |  |  | 
|  | carpetana subsp. duboisii, Scorzoneroides −−> Leontodon duboisii |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  | carpetana subsp. graeca, Saxifraga \ Carpetana-Steinbrech / Carpetana Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | Les 
Sam | 
|  | carpinea, Lecanora \ Weißbuchen-Kuchenflechte / Hornbeam Rim Lichen |  | Lecanorales \ Flechten / Lichens |  | D | 
|  |  carpinifolia (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | carthusiana, Dryopteris \ Dorniger Wurmfarn, Kleiner Dornfarn / Narrow Buckler Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | D | 
|  | carthusianorum subsp. capillifrons, Dianthus \ Schmalblättrige Kartäuser-Nelke, Serpentin-Kartäuser-Nelke / Serpentine Carthusian Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A | 
|  | carthusianorum subsp. carthusianorum, Dianthus \ Kartäuser-Nelke / Carthusian Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A 
D 
F | 
|  | carthusianorum subsp. latifolius, Dianthus \ Breitblättrige Kartäuser-Nelke / Wide-Leaved Carthusian Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A | 
|  | carthusianorum, Dianthus carthusianorum subsp. \ Kartäuser-Nelke / Carthusian Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A 
D 
F | 
|  | cartilagineum, Lepidium \ Salz-Kresse / Salt Cress |  | Brassicaceae \ Kreuzblütler / Crucifers |  | A | 
|  | carvi, Carum \ Echter Kümmel, Wiesen-Kümmel / Caraway |  | Apiaceae \ Doldenblütler / Umbellifers |  | A 
D 
E 
F 
I 
S | 
|  |  carvifolia (2 Taxa + 3 Syn.) |  |  |  |  | 
|  | caryophyllacea, Orobanche \ Labkraut-Sommerwurz, Nelken-Sommerwurz / Bedstraw Broomrape |  | Orobanchaceae \ Sommerwurzgew. / Broomrape Fam. |  | A 
D 
E 
F 
HR | 
|  |  caryophyllea (2 Taxa) |  |  |  |  | 
|  | casimiri, Oenothera \ Casimirs Nachtkerze / Casimir's Evening Primrose |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | cassubicifolius, Ranunculus \ Falscher Kaschuben-Gold-Hahnenfuß / Kashube-Leaved Goldilocks |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | D | 
|  | castellana, Agrostis \ Kastilisches Straußgras / Highland Bentgrass |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | catanensis, Cheilanthes −−> Cosentinia vellea |  | Pteridopsida \ Echte Farne / True Ferns |  | Ten | 
|  | cataractarum, Doronicum \ Sturzbach-Gämswurz / Cataract Leopard's-Bane |  | Asteraceae \ Korbblütler / Composite Fam. |  | A | 
|  | cataria, Nepeta \ Echte Katzenminze / Catnip |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | A 
D | 
|  | catenata, Veronica \ Blasser Gauchheil-Ehrenpreis, Roter Wasser-Ehrenpreis / Pink Water Speedwell |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | D 
F 
HR 
NL | 
|  | cathartica, Rhamnus \ Purgier-Kreuzdorn, Echter Kreuzdorn / Buckthorn |  | Rhamnaceae \ Kreuzdorngew. / Buckthorn Fam. |  | A 
D 
IRL 
S | 
|  | catharticum, Linum \ Purgier-Lein / Fairy Flax |  | Linaceae \ Leingewächse / Linseed Fam. |  | A 
D 
F 
HR 
IRL 
NL | 
|  | catharticus, Bromus \ Purgier-Trespe, Pampas-Trespe / Rescue Brome |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | caucalis, Anthriscus \ Hunds-Kerbel / Bur Chervil |  | Apiaceae \ Doldenblütler / Umbellifers |  | A 
D | 
|  | caucasica, Arabis alpina subsp. \ Kaukasische Gänsekresse / Wall Rock-Cress |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D 
HR 
Pal 
Rho | 
|  | caucasicum, Symphytum \ Kaukasus-Beinwell / Caucasian Comfrey, Blue Comfrey |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  | D | 
|  | caudatus, Amaranthus \ Garten-Amaranth / Pendant Pigweed, Love Lies Bleeding |  | Amaranthaceae \ Fuchsschwanzgew. / Amaranth Fam. |  | D | 
|  |  caulescens (2 Taxa) |  |  |  |  | 
|  |  cauticola (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cava x solida, Corydalis \ Lerchensporn-Hybride / Hybrid Hollow-Root |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | D | 
|  | cava, Corydalis \ Hohler Lerchensporn / Hollow-Root |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | A 
D 
HR 
I | 
|  | cavanillesii, Jasione \ Cavanilles Sandglöckchen / Cavanilles' Sheep's Bit |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | E | 
|  | cavendishii, Musa −−> Musa acuminata |  | Musaceae \ Bananengewächse / Banana Fam. |  | Ten | 
|  | cavernosa, Riccia \ Grubiges Stern-Lebermoos / Cavernous Crystalwort |  | Ricciales \ Stern-Lebermoose / Crystalworts |  | D | 
|  | cebennensis, Aster alpinus subsp. \ Cevennen-Aster / Cevennes Aster |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  | celsii subsp. celsii, Campanula \ Cels' Glockenblume / Cels' Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | GR | 
|  | celsii subsp. parnesia, Campanula \ Parnitha-Glockenblume / Parnitha Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | GR | 
|  | celsii, Campanula celsii subsp. \ Cels' Glockenblume / Cels' Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | GR | 
|  | celtica subsp. norica, Valeriana \ Norischer Speik, Norischer Baldrian / Alpine Valerian, Valerian Spikenard |  | Valerianaceae \ Baldriangew. / Valerian Fam. |  | A | 
|  | cembra, Pinus \ Zirbel-Kiefer, Arve / Arolla Pine, Swiss Stone Pine |  | Pinaceae \ Kieferngewächse / Pine Fam. |  | A 
D | 
|  | cenisia subsp. lapeyrousiana, Viola −−> Viola diversifolia |  | Violaceae \ Veilchengewächse / Violet Fam. |  | F | 
|  | centaurina, Orobanche −−> Orobanche kochii |  | Orobanchaceae \ Sommerwurzgew. / Broomrape Fam. |  | F | 
|  | centrale, Polygonum \ Reingrüner Vogel-Knöterich / Pure Green Knotgrass |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | D | 
|  | centralpinus, Astragalus −−> Astragalus alopecurus |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | F | 
|  | cepa, Allium \ Küchen-Zwiebel, Sommer-Zwiebel / Onion |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D | 
|  | cepaea, Sedum \ Rispen-Mauerpfeffer / Pink Stonecrop |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | HR | 
|  | cephallenica, Campanula garganica subsp. \ Kefalonia-Glockenblume / Cephalonica Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | Kef | 
|  |  cephalonica (3 Taxa) |  |  |  |  | 
|  | cephalonicum, Erysimum \ Kefalonia-Schöterich / Cephalonian Treacle Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | GR 
Kef | 
|  | cerasifera, Prunus \ Kirschpflaume / Cherry Plum |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  |  cerastoides (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cerasus, Prunus \ Sauer-Kirsche, Weichsel / Sour Cherry |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D 
I | 
|  | ceratoides, Krascheninnikovia \ Europäische Hornmelde / Pamirian Winterfat |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  | A | 
|  | cereale var. multicaule, Secale \ Waldstauden-Korn, Johannis-Roggen / Wild Rye |  | Poaceae \ Süßgräser / Grass Fam. |  | A 
D | 
|  | cereale x Triticum aestivum, Secale −−> Triticosecale rimpaui |  | Poaceae \ Süßgräser / Grass Fam. |  | D 
S | 
|  | cereale, Secale \ Roggen / Rye |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | cerefolium var. longirostris, Anthriscus −−> Anthriscus cerefolium var. trichocarpus |  | Apiaceae \ Doldenblütler / Umbellifers |  | A | 
|  | cerefolium var. trichocarpus, Anthriscus \ Wilder Garten-Kerbel / Wild Chervil |  | Apiaceae \ Doldenblütler / Umbellifers |  | A | 
|  | cerefolium, Anthriscus \ Garten-Kerbel / Chervil |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
F | 
|  | cerifera, Chamaerops humilis subsp. \ Zwerg-Palme / Dwarf Fan Palm |  | Arecaceae \ Palmen / Palm Fam. |  | D | 
|  |  cernua (2 Taxa) |  |  |  |  | 
|  |  cernuus (2 Syn.) |  |  |  |  | 
|  | cerris, Quercus \ Zerr-Eiche / Turkey Oak |  | Fagaceae \ Buchengew. / Beech Fam. |  | A 
D 
GR 
HR | 
|  | cervaria, Peucedanum \ Hirschwurz-Haarstrang / Broad-Leaved Spignel |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
HR 
I | 
|  | cervicaria, Campanula \ Borstige Glockenblume / Bristly Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | D | 
|  |  cervicornis (2 Taxa) |  |  |  |  | 
|  | cesatiana, Cuscuta australis subsp. −−> Cuscuta scandens
 ? |  | Convolvulaceae \ Windengew. / Bindweed Fam. |  | GR | 
|  | cespitosa subsp. paludosa, Deschampsia −−> Deschampsia wibeliana |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  cespitosa (3 Taxa) |  |  |  |  | 
|  | cespitosum subsp. cespitosum, Trichophorum \ Gewöhnliche Rasenbinse / Deer Grass |  | Cyperaceae \ Sauergräser / Sedge Fam. |  | A 
CH 
D 
F 
I | 
|  | cespitosum subsp. germanicum, Trichophorum \ Deutsche Rasenbinse / Deer Grass |  | Cyperaceae \ Sauergräser / Sedge Fam. |  | D | 
|  |  cespitosum (2 Taxa) |  |  |  |  | 
|  | ceterach, Asplenium \ Milzfarn, Schriftfarn / Rustyback, Scale Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | Chi 
D 
F 
I 
IRL 
Kre 
Rho 
Sam | 
|  | chabraei, Peucedanum −−> Peucedanum carvifolia |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
F | 
|  | chaixii forma album, Verbascum \ Weiße Chaix' Königskerze / White Nettle-Leaved Mullein |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | D 
F | 
|  | chaixii subsp. austriacum, Verbascum \ Österreicher Königskerze / Austrian Mullein |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | A 
HR | 
|  |  chaixii (3 Taxa) |  |  |  |  | 
|  |  chalcedonica (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | chalcedonicum, Lilium \ Chalzedonische Lilie / Chalcedonian Lily |  | Liliaceae \ Liliengewächse / Lily Fam. |  | GR | 
|  |  chalepensis (2 Taxa) |  |  |  |  | 
|  | chamaebuxus var. grandiflora, Polygala \ Großblütige Buchs-Kreuzblume / Shrubby Milkwort |  | Polygalaceae \ Kreuzblumengew. / Milkwort Fam. |  | I | 
|  | chamaebuxus, Polygala \ Buchs-Kreuzblume, Buchs-Kreuzblümchen / Shrubby Milkwort |  | Polygalaceae \ Kreuzblumengew. / Milkwort Fam. |  | A 
D | 
|  | chamaecistus, Rhodothamnus \ Zwerg-Alpenrose / Dwarf Alpenrose |  | Ericaceae \ Heidekrautgew. / Heather Fam. |  | A 
D 
I | 
|  |  chamaedryoides (1 Taxon + 2 Syn.) |  |  |  |  | 
|  | chamaedrys subsp. chamaedryoides, Veronica \ Gamanderähnlicher Ehrenpreis / Germander-Like Speedwell |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | GR | 
|  | chamaedrys subsp. vindobonensis, Veronica \ Wiener Gamander-Ehrenpreis, Drüsiger Gamander-Ehrenpreis / Vienna Germander Speedwell |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | A | 
|  |  chamaedrys (2 Taxa) |  |  |  |  | 
|  | chamaejasme, Androsace \ Gewimperter Mannsschild / Bastard Rock Jasmine |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | A 
D 
SLO | 
|  |  chamaemelifolia (2 Taxa) |  |  |  |  | 
|  |  chamaemespilus (2 Taxa) |  |  |  |  | 
|  | chamaemoly, Allium \ Zwerg-Knoblauch / Dwarf Garlic |  | Liliaceae \ Liliengewächse / Lily Fam. |  | F 
I | 
|  | chamaemorus, Rubus \ Molte-Beere / Cloudberry |  | Rosaceae \ Rosengewächse / Rose Fam. |  | S | 
|  | chamaepeuce subsp. cyprius, Ptilostemon \ Scheinfichten-Elfenbeindistel / Greater Chamaepuce, Shrubby Ptilostemon |  | Asteraceae \ Korbblütler / Composite Fam. |  | Zyp | 
|  | chamaepeuce, Ptilostemon \ Scheinfichten-Elfenbeindistel / Greater Chamaepuce, Shrubby Ptilostemon |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR 
Sam | 
|  | chamaepitys subsp. chia, Ajuga \ Östlicher Gelber Günsel / Eastern Ground Pine |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | GR 
Rho | 
|  | chamaepitys, Ajuga \ Gelber Günsel / Ground Pine |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | D 
F 
HR 
I | 
|  | chamaespathum, Allium \ Scheidiger Lauch / Sheated Leek |  | Liliaceae \ Liliengewächse / Lily Fam. |  | GR | 
|  | chamaesyce, Euphorbia −−> Chamaesyce canescens |  | Euphorbiaceae \ Wolfsmilchgew. / Spurge Fam. |  | Les | 
|  | chamomilla subsp. bayeri, Matricaria \ Pannonische Kamille / Pannonian Mayweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | A | 
|  | chamomilla, Matricaria \ Echte Kamille / Scented Mayweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
GR | 
|  | characias, Euphorbia \ Palisaden-Wolfsmilch / Large Mediterranean Spurge |  | Euphorbiaceae \ Wolfsmilchgew. / Spurge Fam. |  | Chi 
D 
F 
GR 
HR 
I 
Kre 
Mal 
Rho | 
|  | charmelii, Phyteuma \ Charmeils Teufelskralle / Charmeil's Rampion |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | F | 
|  |  chaubardii (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cheiranthoides, Erysimum \ Acker-Schöterich, Acker-Schotendotter / Treacle Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  | cheiranthos var. montana, Brassica −−> Coincya monensis subsp. montana |  | Brassicaceae \ Kreuzblütler / Crucifers |  | E 
F | 
|  |  cheiranthos (1 Taxon + 2 Syn.) |  |  |  |  | 
|  |  cheiri (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cheirifolium, Cynoglossum \ Goldlackblättrige Hundszunge / Wallflower-Leaved Hound's-Tongue |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  | Siz | 
|  | chelidonia, Cardamine \ Schöllkraut-Zahnwurz / Celandine Bitter-Cress |  | Brassicaceae \ Kreuzblütler / Crucifers |  | HR | 
|  | chelmicus subsp. meteoricus, Bolanthus \ Meteora-Gipskraut / Meteora Bolanthus |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | GR | 
|  | chenaultii, Symphoricarpos x \ Bastard-Korallenbeere / Hybrid Coralberry |  | Caprifoliaceae \ Geißblattgew. / Honeysuckle Fam.
 |  | D | 
|  |  chenopodioides (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | cherleri, Trifolium \ Cherlers Klee / Cherler's Clover, Hairy Clover |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | F 
GR 
Kef 
Rho 
Sam | 
|  | cherlerioides, Minuartia \ Mannsschild-Miere / Cherler's Sandwort |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A | 
|  |  chia (4 Taxa) |  |  |  |  | 
|  | chicaginensis, Oenothera −−> Oenothera pycnocarpa |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | chinense, Lycium \ Chinesischer Bocksdorn / China Tea-Plant |  | Solanaceae \ Nachtschattengew. / Nightshade Fam. |  | D | 
|  | chinensis var. deliciosa, Actinidia \ Kiwi, Chinesischer Strahlengriffel / Kiwi Fruit, Chinese Gooseberry |  | Actinidiaceae \ Strahlengriffelgew. / Kiwi Fam. |  | D | 
|  |  chinensis (2 Taxa) |  |  |  |  | 
|  | chironium, Opopanax \ Cheiron-Heilwurz / Chiron Sweet Myrrh, Hercules-All-Heal |  | Apiaceae \ Doldenblütler / Umbellifers |  | GR | 
|  | chium, Erodium \ Chios-Reiherschnabel / Chios Stork's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | Chi 
Mal 
Rho 
Sam | 
|  | chius, Ranunculus \ Chios-Hahnenfuß / Eastern Buttercup |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | Chi 
Les 
Rho | 
|  |  chlorantha (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | chloranthus, Umbilicus \ Grünes Nabelkraut / Green Venus' Navel |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | GR | 
|  | chlorophaea, Cladonia \ Becher-Flechte / Cup Lichen ? |  | Lecanorales \ Flechten / Lichens |  | A 
SLO | 
|  | chlorostachys, Amaranthus −−> Amaranthus powellii |  | Amaranthaceae \ Fuchsschwanzgew. / Amaranth Fam. |  | D | 
|  | chondrilliflora, Lactuca viminea subsp. \ Westlicher Ruten-Lattich / Skeletonweed-Flowered Lettuce |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  | chondrosperma, Montia fontana subsp. \ Acker-Quellkraut, Rausamiges Quellkraut / Blinks |  | Portulacaceae \ Portulakgewächse / Purslane Fam.
 |  | D | 
|  | choruhensis, Campanula \ Coruh-Glockenblume / Choruhian Bellflower |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | D | 
|  | chrysacanthus, Carduus \ Apenninen-Distel / Apennine Thistle ? |  | Asteraceae \ Korbblütler / Composite Fam. |  | HR | 
|  | chrysantha, Gagea −−> Gagea amblyopetala |  | Liliaceae \ Liliengewächse / Lily Fam. |  | GR | 
|  |  chrysanthum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | chrysanthus, Crocus \ Kleiner Krokus, Balkan-Krokus / Snow Crocus, Golden Crocus |  | Iridaceae \ Irisgewächse / Iris Fam. |  | D | 
|  |  chryseum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  chrysocephala (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | chrysocephalus, Ranunculus ficaria subsp. −−> Ficaria chrysocephala |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | Kef 
Rho | 
|  | chrysoleptos, Ranunculus \ Feinblättriger Gold-Hahnenfuß / Fine-Leaved Goldilocks |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | D | 
|  | cicer, Astragalus \ Kicher-Tragant / Chick-Pea Milk-Vetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | A 
D | 
|  | cicera, Lathyrus \ Rote Platterbse / Red Vetchling |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | F 
GR 
HR 
Les 
Rho 
Zyp | 
|  | cichoriifolia, Biscutella \ Wegwartenblättriges Brillenschötchen / Chicory-Leaved Buckler Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | F 
HR 
I | 
|  | cicla, Beta vulgaris subsp. \ Mangold / Leaf Beet, Spinach Beet |  | Chenopodiaceae \ Gänsefußgew. / Goosefoot Fam.
 |  | Chi 
D | 
|  | ciconium, Erodium \ Großer Reiherschnabel / Common Stork's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | F 
HR | 
|  | cicutarium subsp. bipinnatum, Erodium −−> Erodium lebelii |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | F | 
|  | cicutarium subsp. dunense, Erodium \ Dünen-Reiherschnabel, Drüsiger Reiherschnabel / Sticky Stork's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | IRL | 
|  | cicutarium, Erodium \ Gewöhnlicher Reiherschnabel / Common Crane's-Bill, Philary |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | A 
D 
F 
GR 
I 
NL 
Zyp | 
|  | cilianensis, Eragrostis \ Großähriges Liebesgras / Grey Love Grass, Stink Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | ciliare, Taraxacum \ Gewimperter Sumpf-Löwenzahn / Ciliate Marsh Dandelion |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  |  ciliaris (2 Taxa) |  |  |  |  | 
|  | ciliata agg., Melica \ Wimper-Perlgras / Ciliated Melick |  | Poaceae \ Süßgräser / Grass Fam. |  | A 
D | 
|  | ciliata subsp. ambigua, Vulpia −−> Festuca ambigua |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  ciliata (9 Taxa + 2 Syn.) |  |  |  |  | 
|  | ciliatum subsp. adenocaulon, Epilobium \ Drüsiges Weidenröschen / American Willowherb |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | ciliatum subsp. ciliatum, Epilobium \ Bewimpertes Weidenröschen / Fringed Willowherb |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | ciliatum subsp. glandulosum, Epilobium −−> Epilobium glandulosum |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | ciliatum, Epilobium ciliatum subsp. \ Bewimpertes Weidenröschen / Fringed Willowherb |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | ciliatus, Dianthus \ Gewimperte Nelke / Ciliate Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | HR | 
|  | cilicicum, Colchicum \ Zilizische Zeitlose / Cilician False Autumn Crocus |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D | 
|  | cineraria, Senecio \ Aschen-Greiskraut, Silber-Greiskraut / Silver Ragwort, Dusty Miller |  | Asteraceae \ Korbblütler / Composite Fam. |  | Cor 
D 
E 
F 
I 
IRL | 
|  | cinerariifolium, Tanacetum \ Dalmatinische Insektenblume / Dalmatian Pyrethrum |  | Asteraceae \ Korbblütler / Composite Fam. |  | HR | 
|  | cinerea subsp. leptoclada, Genista −−> Genista majorica |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Mal | 
|  |  cinerea (8 Taxa + 2 Syn.) |  |  |  |  | 
|  | cinereum subsp. subcaulescens, Geranium −−> Geranium subcaulescens |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | GR | 
|  | cinereum, Geranium \ Grauer Storchschnabel / Ashy Crane's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | F | 
|  | circinatum, Batrachium −−> Ranunculus circinatus
 ? |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | CH 
D 
F 
NL | 
|  | circinatus, Ranunculus \ Spreizender Wasser-Hahnenfuß / Fan-Leaved Water Crowfoot ? |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | CH 
D 
F 
NL | 
|  |  circinnatus (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cirrhosa, Clematis \ Macchien-Waldrebe / Early Virgin's Bower |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | Chi 
GR | 
|  | cirrhosum, Allium −−> Allium carinatum subsp. pulchellum |  | Liliaceae \ Liliengewächse / Lily Fam. |  | HR 
I 
SLO | 
|  |  citrina (3 Taxa + 1 Syn.) |  |  |  |  | 
|  | clandestina, Lathraea \ Schuppenwurz / Purple Toothwort |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | F | 
|  | clandonensis, Caryopteris x \ Clandon-Bartblume / Clandon Bluebeard, Blue Mist Spiraea |  | Verbenaceae \ Eisenkrautgew. / Verbena Fam. |  | D | 
|  |  clausii (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | clavatum, Lycopodium \ Keulen-Bärlapp / Stag's-Horn Clubmoss, Common Clubmoss |  | Lycopodiaceae \ Bärlappgew. / Clubmoss Fam. |  | D | 
|  | clavatus, Anacyclus \ Keulen-Bertram / White Buttons |  | Asteraceae \ Korbblütler / Composite Fam. |  | F 
GR | 
|  | clavennae, Achillea \ Bittere Schafgarbe, Weißer Speik / Silvery Milfoil |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
HR 
I | 
|  | claviculata, Ceratocapnos \ Rankender Lerchensporn / Climbing Corydalis |  | Fumariaceae \ Erdrauchgew. / Fumitory Fam. |  | D | 
|  | clematitis, Aristolochia \ Echte Osterluzei / Birthwort |  | Aristolochiaceae \ Osterluzeigew. / Birthwort Fam. |  | A 
D 
F 
HR | 
|  | clemens, Taraxacum \ Gnädiger Löwenzahn / Merciful Dandelion |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | clethroides, Lysimachia \ Schnee-Felberich, Fortune-Felberich / Gooseneck Loosestrife |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | D | 
|  | clinopodium, Calamintha −−> Clinopodium vulgare |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | A 
D 
E 
F 
GR 
I 
PL 
S 
SLO | 
|  | clivicola, Cyrtomium fortunei var. \ Fortunes Sichelfarn / Japanese Holly Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | D | 
|  | cluniensis, Viola x \ Veilchen-Hybride / Hybrid Violet |  | Violaceae \ Veilchengewächse / Violet Fam. |  | D | 
|  |  clusiana (3 Taxa) |  |  |  |  | 
|  |  clusii subsp. clusii (2 Taxa) |  |  |  |  | 
|  | clusii subsp. multiflorus, Cistus \ Clusius-Zistrose / Clusius' Rock-Rose |  | Cistaceae \ Zistrosengew. / Rockrose Fam. |  | Mal | 
|  | clusii subsp. rhodia, Paeonia \ Rhodische Pfingstrose / Rhodian Peony |  | Paeoniaceae \ Pfingstrosengew. / Peony Fam. |  | Rho | 
|  |  clusii (5 Taxa) |  |  |  |  | 
|  | clymenum, Lathyrus \ Purpur-Platterbse / Crimson Pea |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Cor 
F 
I 
Sam | 
|  | clypeata, Fibigia \ Echte Schildkresse / Roman Shields |  | Brassicaceae \ Kreuzblütler / Crucifers |  | GR | 
|  | clypeatum, Trifolium \ Schild-Klee / Helmet Clover, Shield Clover |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Chi 
Les 
Rho 
Sam 
Zyp | 
|  | cneorum, Daphne \ Rosmarin-Seidelbast, Flaumiger Seidelbast / Garland Flower |  | Thymelaeaceae \ Seidelbastgew. / Daphne Fam. |  | A 
D 
E 
F 
I | 
|  |  coarctata (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  coccifera (2 Taxa) |  |  |  |  | 
|  | coccinea agg., Pyracantha \ Feuerdorn / Firethorn |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | coccinea, Quercus \ Scharlach-Eiche / Scarlet Oak |  | Fagaceae \ Buchengew. / Beech Fam. |  | D | 
|  |  coccineum (2 Taxa) |  |  |  |  | 
|  | cochlearifolia, Campanula \ Kleine Glockenblume / Fairy's Thimble |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | A 
D 
E 
F 
HR | 
|  | cochleariformis, Sorbus \ Löffelblättrige Mehlbeere / Spoon-Leaved Whitebeam |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | cochleariifolia, Campanula −−> Campanula cochlearifolia |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | A 
D 
E 
F 
HR | 
|  | cocomilia, Prunus \ Italienische Pflaume / Italian Plum |  | Rosaceae \ Rosengewächse / Rose Fam. |  | Chi | 
|  |  coelesyriacus (2 Taxa) |  |  |  |  | 
|  | coerulea, Anagallis arvensis var. −−> Lysimachia loeflingii
 ? |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | Kef 
Kre 
Les 
Mal 
Rho 
Zyp | 
|  | coeruleum, Phyteuma spicatum subsp. \ Bläuliche Ähren-Rapunzel / Blue Spiked Rampion |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | F | 
|  | coggygria, Cotinus \ Perückenstrauch / Smoke Tree |  | Anacardiaceae \ Sumachgewächse / Sumach Fam. |  | GR 
HR 
I | 
|  |  colchica (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | colchiciflora, Sternbergia \ Schmalblättrige Sternbergie, Zeitlosenblütiger Goldkrokus / Slender Sternbergia |  | Amaryllidaceae \ Narzissengew. / Amaryllis Fam. |  | GR | 
|  | colchicum, Epimedium perralderianum x pinnatum subsp. −−> Epimedium x perralchicum |  | Berberidaceae \ Sauerdorngew. / Barberry Fam. |  | D | 
|  |  colladonioides (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | collina s.l., Potentilla \ Hügel-Fingerkraut / Palmleaf Cinquefoil |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  |  collina (7 Taxa + 3 Syn.) |  |  |  |  | 
|  | collinum subsp. rhodium, Ornithogalum \ Wald-Milchstern / White Star of Bethlehem |  | Liliaceae \ Liliengewächse / Lily Fam. |  | Rho | 
|  |  collinum (3 Taxa) |  |  |  |  | 
|  |  collinus (2 Taxa) |  |  |  |  | 
|  |  collisparsum (2 Syn.) |  |  |  |  | 
|  | colocynthis, Citrullus \ Koloquinte, Bittergurke / Colocynth, Bitter Apple |  | Cucurbitaceae \ Gurkengewächse / Cucumber Fam. |  | D | 
|  | colorata, Silene \ Farbiges Leimkraut / Mediterranean Catchfly |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | Chi 
GR 
Kef 
Kre 
Les 
Sam 
Zyp | 
|  | coloratissima, Oenothera \ Tieffarbige Nachtkerze / Deep-Colored Evening Primrose |  | Onagraceae \ Nachtkerzengew. / Willowherb Fam. |  | D | 
|  | coloratum, Allium −−> Allium carinatum subsp. pulchellum |  | Liliaceae \ Liliengewächse / Lily Fam. |  | HR 
I 
SLO | 
|  | coloratus, Potamogeton \ Gefärbtes Laichkraut, Buntes Laichkraut / Fen Pontweed |  | Potamogetonaceae \ Laichkrautgew. / Pontweed Fam. |  | F | 
|  | columbaria, Scabiosa \ Tauben-Skabiose / Small Scabious |  | Dipsacaceae \ Kardengewächse / Teasel Fam. |  | A 
D 
E 
F 
HR 
I | 
|  | columbiana, Wolffia \ Kolumbianische Zwerg-Wasserlinse / Columbian Water-Meal |  | Lemnaceae \ Wasserlinsengew. / Duckweed Fam. |  | D | 
|  | columbinum, Geranium \ Tauben-Storchschnabel / Branched Crane's-Bill |  | Geraniaceae \ Storchschnabelgew. / Crane's-Bill Fam. |  | Cor 
D 
E 
F 
GR | 
|  |  columnae (4 Taxa) |  |  |  |  | 
|  | colurna, Corylus \ Baum-Hasel / Turkish Hazel |  | Betulaceae \ Birkengew. / Birch Fam. |  | D | 
|  | comatum, Cerastium \ Haariges Hornkraut / Levantine Mouse-Ear |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | Les 
Rho 
Sam 
Zyp | 
|  |  commune (2 Taxa) |  |  |  |  | 
|  | communis subsp. communis, Lapsana \ Gemeiner Rainkohl / Nipplewort |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
F | 
|  | communis subsp. glauca, Ferula −−> Ferula glauca |  | Apiaceae \ Doldenblütler / Umbellifers |  | Les 
Rho | 
|  | communis subsp. intermedia, Lapsana \ Mittlerer Rainkohl / Large Nipplewort |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | communis subsp. nana, Juniperus \ Zwerg-Wacholder / Alpine Juniper |  | Cupressaceae \ Zypressengew. / Cypresse Fam. |  | Cor 
F 
HR 
IRL 
Sam | 
|  | communis var. saxatilis, Juniperus −−> Juniperus communis subsp. nana |  | Cupressaceae \ Zypressengew. / Cypresse Fam. |  | Cor 
F 
HR 
IRL 
Sam | 
|  |  communis (9 Taxa + 2 Syn.) |  |  |  |  | 
|  |  commutata (4 Taxa + 2 Syn.) |  |  |  |  | 
|  |  commutatum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | commutatus var. nemorensis, Senecio −−> Senecio hercynicus |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D | 
|  |  commutatus (1 Taxon + 2 Syn.) |  |  |  |  | 
|  |  comosa (4 Taxa + 1 Syn.) |  |  |  |  | 
|  |  comosum (3 Taxa) |  |  |  |  | 
|  |  compactum (2 Taxa) |  |  |  |  | 
|  | complanata, Radula \ Abgeflachtes Kratz-Lebermoos / Even Scalewort |  | Marchantiales \ Lebermoose / Liverworts |  | D | 
|  |  complanatum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | complexa, Muehlenbeckia \ Drahtwein, Weißfrüchtiger Drahtstrauch / Necklace Vine |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | D | 
|  | complicatus, Adenocarpus \ Faltiger Drüsenginster, Kleinblättrige Drüsenhülse / Pleated Flatpod ? |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D | 
|  | compositus, Ranunculus \ Zusammengesetzter Gold-Hahnenfuß / Compound Goldilocks |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | D | 
|  | compressa, Poa \ Flaches Rispengras, Plattes Rispengras / Flattened Meadow Grass |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  |  compressus (3 Taxa) |  |  |  |  | 
|  | concinnatum, Arum \ Schöner Aronstab, Hübscher Aronstab / Elaborated Arum |  | Araceae \ Aronstabgewächse / Arum Fam. |  | GR | 
|  | condensata, Persicaria x \ Knöterich-Hybride / Hybrid Water-Pepper |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | B 
D 
NL | 
|  |  condensatus (2 Taxa) |  |  |  |  | 
|  | conferta, Quercus −−> Quercus frainetto |  | Fagaceae \ Buchengew. / Beech Fam. |  | Chi 
D 
GR | 
|  | confertum, Rhynchostegium \ Unscheinbares Schnabeldeckel-Moos / Clustered Feather-Moss |  | Musci \ Laubmoose / Mosses |  | D | 
|  | confine, Papaver dubium subsp. \ Verkannter Saat-Mohn / Long-Headed Poppy |  | Papaveraceae \ Mohngewächse / Poppy Fam. |  | D 
F 
GR | 
|  | confusum, Phyteuma \ Zungenblättrige Teufelskralle, Zungenblättrige Rapunzel / Confused Rampion |  | Campanulaceae \ Glockenblumengew. / Bellflower Fam. |  | A | 
|  | congesta, Luzula \ Gedrängte Hainsimse, Kopfige Hainsimse / Spike Wood-Rush |  | Juncaceae \ Binsengewächse / Rush Fam. |  | D | 
|  | congestus, Sonchus \ Baum-Gänsedistel / Tree Sow-Thistle |  | Asteraceae \ Korbblütler / Composite Fam. |  | Ten | 
|  | conglobatum, Helichrysum −−> Helichrysum stoechas |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F 
GR 
HR 
Les 
Mal 
Rho 
Sam | 
|  | conglomeratus x obtusifolius subsp. sylvestris, Rumex \ Ampfer-Hybride / Hybrid Dock |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | D | 
|  |  conglomeratus (2 Taxa) |  |  |  |  | 
|  | conica, Silene \ Kegel-Leimkraut / Sand Campion |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A 
D 
F 
GR | 
|  | conicum, Conocephalum \ Kegelkopf-Lebermoos / Scented Liverwort |  | Marchantiales \ Lebermoose / Liverworts |  | A 
D 
HR | 
|  | conifera, Leuzea −−> Rhaponticum coniferum |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  | coniferum, Rhaponticum \ Zapfenkopf / Pine-cone Thistle, Cone Knapweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | E 
F | 
|  | conimbricensis, Arenaria \ Coimbra-Sandkraut / Coimbra Sandwort |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | S | 
|  | coniocraea, Cladonia \ Gewöhnliche Säulen-Flechte / Common Powderhorn Lichen |  | Lecanorales \ Flechten / Lichens |  | D | 
|  | conioides, Oenanthe \ Schierlings-Wasserfenchel / Elbe Water Dropwort |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | conizaeoides, Lecanora \ Kuchenflechte / Rim Lichen ? |  | Lecanorales \ Flechten / Lichens |  | A 
D | 
|  | connectilis, Phegopteris \ Buchen-Lappen-Farn / Beech Fern |  | Pteridopsida \ Echte Farne / True Ferns |  | D 
F | 
|  | connivens, Alchemilla \ Zusammenneigender Frauenmantel / Together Tilting Lady's Mantle |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | conoideus, Zygodon \ Jochzahn-Moos / Lesser Yoke Moss ? |  | Musci \ Laubmoose / Mosses |  | F | 
|  | conollyana, Fallopia x \ Bahngelände-Staudenknöterich, Haringey-Staudenknöterich / Haringey Knodweed, Railway-Yard Knotweed |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | D | 
|  | consolida subsp. consolida, Delphinium \ Feld-Rittersporn / Forking Larkspur |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A 
D 
E 
F 
HR | 
|  | consolida subsp. paniculatum, Delphinium \ Rispiger Acker-Rittersporn / Field Larkspur |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A | 
|  | consolida, Delphinium consolida subsp. \ Feld-Rittersporn / Forking Larkspur |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A 
D 
E 
F 
HR | 
|  | conspicuus, Rubus \ Ansehnliche Brombeere / Bonny Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | constricta, Medicago \ Zusammengezogener Schneckenklee / Contracted Medick |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Rho | 
|  | constrictus, Rubus \ Zusammengezogene Brombeere / Constricted Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | contegens, Ranunculus \ Bedeckter Gold-Hahnenfuß / Overlapping Goldilocks |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | F | 
|  | contempta, Viola arvensis var. −−> Viola arvensis subsp. megalantha |  | Violaceae \ Veilchengewächse / Violet Fam. |  | D | 
|  | controversa, Saxifraga −−> Saxifraga adscendens |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | A | 
|  | convoluta, Cladonia \ Gelbliche Lagerschuppen-Flechte / Lichen |  | Lecanorales \ Flechten / Lichens |  | GR | 
|  | convolvulus, Fallopia \ Acker-Flügelknöterich, Gemeiner Windenknöterich / Black Bindweed |  | Polygonaceae \ Knöterichgew. / Knotweed Fam. |  | D | 
|  | conyzae, Inula −−> Pentanema squarrosum |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
F 
HR | 
|  | conyzifolia, Crepis −−> Crepis blattarioides |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D 
E 
F 
HR | 
|  | cophocarpa, Callitriche \ Stumpfkantiger Wasserstern / Long-Styled Water Starwort |  | Callitrichaceae \ Wassersterngew. / Water Starwort Fam.
 |  | A 
D | 
|  | copidophyllum agg., Taraxacum \ Großlappiger Löwenzahn / Big-Lobed Dandelion |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | corbariensis, Saxifraga \ Corbiéres-Steinbrech / Corbiéres Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | F | 
|  | cordata x dasystyla, Tilia −−> Tilia x euchlora |  | Tiliaceae \ Lindengewächse / Lime Fam. |  | D | 
|  | cordata x platyphyllos, Tilia −−> Tilia x europaea |  | Tiliaceae \ Lindengewächse / Lime Fam. |  | D | 
|  |  cordata (4 Taxa + 1 Syn.) |  |  |  |  | 
|  | cordatum, Chaenostoma \ Schneeflockenblume, Bacopa / Bacopa |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | D 
F | 
|  | cordatus, Senecio −−> Senecio alpinus |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D | 
|  |  cordifolia (3 Taxa + 2 Syn.) |  |  |  |  | 
|  | cordifolium, Mesembryanthemum \ Herzblättrige Aptenie, Ausdauerndes Eiskraut / Heartleaf Iceplant |  | Aizoazeae \ Mittagsblumengew. / Ice Plant Fam. |  | I 
Mal 
Rho | 
|  |  cordigastensis (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | coriandrifolium, Callianthemum \ Korianderblatt-Schmuckblume, Rautenblättrige Schmuckblume / Southern Callianthemum |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | A | 
|  | coriaria, Rhus \ Gewürz-Sumach, Gerber-Sumach / Elm-Leaved Sumach |  | Anacardiaceae \ Sumachgewächse / Sumach Fam. |  | E 
F | 
|  | coridifolia, Fumana −−> Fumana ericoides |  | Cistaceae \ Zistrosengew. / Rockrose Fam. |  | F 
HR 
I | 
|  | coriifolia subsp. subcollina, Rosa −−> Rosa subcollina |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | corinthium, Erysimum \ Korinther Schöterich / Corinth Treacle Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | GR | 
|  | coris, Hypericum \ Nadel-Johanniskraut, Quirlblättriges Johanniskraut / Heath-Leaved St. John's-Wort |  | Hypericaceae \ Johanniskrautgew. / St.John's Wort Fam.
 |  | F | 
|  | cornarianum, Limonium \ Kornaros-Strandflieder / Kornaros Sea Lavender |  | Plumbaginaceae \ Bleiwurzgew. / Thrift Fam. |  | Kre | 
|  | corniculata var. atropurpurea, Oxalis \ Kriechender Sauerklee, Rotbrauner Sauerklee / Procumbent Yellow Sorrel |  | Oxalidaceae \ Sauerkleegew. / Wood-Sorrel Fam. |  | D 
I | 
|  | corniculata var. corniculata, Oxalis \ Hornfrüchtiger Sauerklee / Procumbent Yellow Sorrel |  | Oxalidaceae \ Sauerkleegew. / Wood-Sorrel Fam. |  | D 
E 
Sam | 
|  |  corniculata (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | corniculatum, Glaucium \ Roter Hornmohn / Red Horned Poppy |  | Papaveraceae \ Mohngewächse / Poppy Fam. |  | D | 
|  | corniculatus subsp. hirsutus, Lotus \ Behaarter Gewöhnlicher Hornklee / Bird's-Foot Deervetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D 
F | 
|  | corniculatus, Lotus \ Gewöhnlicher Hornklee / Bird's-Foot Deervetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | A 
Cor 
D 
F 
GR 
HR 
IRL 
Kre 
S | 
|  | cornigera, Cynara \ Gehörnte Artischocke / Horned Artichoke |  | Asteraceae \ Korbblütler / Composite Fam. |  | Kre 
Zyp | 
|  | cornubiense, Physospermum \ Blasensame / Cornish Bladderseed |  | Apiaceae \ Doldenblütler / Umbellifers |  | E | 
|  | cornucopiae, Fedia \ Füllhorn-Fedie / Horn of Plenty |  | Valerianaceae \ Baldriangew. / Valerian Fam. |  | Siz 
Tun | 
|  | cornuta, Viola \ Pyrenäen-Stiefmütterchen, Horn-Veilchen / Horned Pansy |  | Violaceae \ Veilchengewächse / Violet Fam. |  | F | 
|  |  coronaria (3 Taxa + 2 Syn.) |  |  |  |  | 
|  |  coronarium (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | coronarius, Philadelphus \ Europäischer Pfeifenstrauch, Falscher Jasmin / Sweet Mock Orange, English Dogwood |  | Hydrangeaceae \ Hortensiengew. / Hydrangea Fam. |  | D | 
|  |  coronata (2 Taxa) |  |  |  |  | 
|  | coronatum, Haplophyllum \ Kronen-Haplophyllum / Crown Haplophyllum |  | Rutaceae \ Rautengewächse / Rue Fam. |  | GR | 
|  |  coronopifolia (3 Taxa) |  |  |  |  | 
|  | coronopifolium, Leucanthemum atratum subsp. \ Krähenfußblättrige Schwarzrand-Margerite, Krähenfußblättrige Schwarzrand-Wucherblume / Coronopus-Leaved Ox-Eye Daisy |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  | coronopus subsp. commutata, Plantago −−> Plantago weldenii |  | Plantaginaceae \ Wegerichgew. / Plantain Fam. |  | D 
Kre 
Mal 
Rho | 
|  | coronopus subsp. coronopus, Plantago \ Krähenfuß-Wegerich / Buck's-horn Plantain |  | Plantaginaceae \ Wegerichgew. / Plantain Fam. |  | D 
F 
HR 
IRL 
NL 
Sam | 
|  |  coronopus (2 Taxa) |  |  |  |  | 
|  | corrudifolium, Galium \ Mittelmeer-Labkraut / Mediterranean Bedstraw |  | Rubiaceae \ Rötegewächse / Bedstraw Fam. |  | F 
HR 
I | 
|  |  corsica (6 Taxa + 1 Syn.) |  |  |  |  | 
|  |  corsicum (2 Taxa) |  |  |  |  | 
|  |  corsicus (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | corylifolius agg., Rubus \ Haselblatt-Brombeere / Hazel-Leaved Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D 
IRL 
Mal | 
|  | corymbifera, Rosa \ Hecken-Rose / Thicket Dog Rose |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D 
GR | 
|  | corymbosa subsp. curetum, Carlina −−> Carlina curetum |  | Asteraceae \ Korbblütler / Composite Fam. |  | Kre | 
|  | corymbosa subsp. graeca, Carlina −−> Carlina graeca |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR 
Rho | 
|  |  corymbosa (5 Taxa + 2 Syn.) |  |  |  |  | 
|  |  corymbosum (2 Taxa) |  |  |  |  | 
|  | corymbulosum, Linum \ Dichtblütiger Lein / Dense-Flowered Flax |  | Linaceae \ Leingewächse / Linseed Fam. |  | Kef | 
|  |  cosentini (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cotula, Anthemis \ Stinkende Hundskamille / Stinking Chamomile, Mayweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | Cor 
F 
GR | 
|  | cotyledon, Saxifraga \ Strauß-Steinbrech / Pyramidal Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | CH 
F 
I | 
|  | coum, Cyclamen \ Vorfrühlings-Alpenveilchen / Eastern Sowbread |  | Primulaceae \ Primelgewächse / Primrose Fam. |  | D | 
|  | cracca, Vicia \ Vogel-Wicke / Tufted Vetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | A 
D 
F 
GR 
HR 
I | 
|  | crantzii, Potentilla \ Zottiges Fingerkraut / Alpine Cinquefoil |  | Rosaceae \ Rosengewächse / Rose Fam. |  | F 
I | 
|  |  crassifolia (3 Taxa) |  |  |  |  | 
|  |  crassifolium (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | crassifolius subsp. glaucus, Carduus −−> Carduus defloratus subsp. glaucus |  | Asteraceae \ Korbblütler / Composite Fam. |  | A | 
|  |  crassifolius (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cremnophila, Micromeria \ Hang-Steinminze / Slope Savory |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | GR | 
|  | crenata, Orobanche \ Gezähnelte Sommerwurz, Kerbige Sommerwurz / Carnation-scented Broomrape |  | Orobanchaceae \ Sommerwurzgew. / Broomrape Fam. |  | Chi 
Cor 
HR 
I 
Kre 
Les 
Sam 
Siz | 
|  | crepidifolium, Erysimum \ Bleicher Schöterich, Gänsesterbe / Hedge Mustard |  | Brassicaceae \ Kreuzblütler / Crucifers |  | D | 
|  | cretatus, Rubus −−> Rubus spina-curva
 ? |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  |  cretensis (2 Taxa) |  |  |  |  | 
|  | cretica subsp. dioica, Bryonia −−> Bryonia dioica |  | Cucurbitaceae \ Gurkengewächse / Cucumber Fam. |  | D | 
|  |  cretica (23 Taxa + 7 Syn.) |  |  |  |  | 
|  |  creticum (11 Taxa + 1 Syn.) |  |  |  |  | 
|  |  creticus (5 Taxa + 1 Syn.) |  |  |  |  | 
|  | crinitus, Dianthus \ Langhaarige Nelke / Long-Haired Pink |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | Rho | 
|  |  crispa (3 Taxa) |  |  |  |  | 
|  | crispatula var. balansae, Cryptocoryne \ Genoppter Wasserkelch, Grasblättriger Wasserkelch / Balansae's Cryptocoryne, Balansae's Waterfall Plant |  | Araceae \ Aronstabgewächse / Arum Fam. |  | A | 
|  |  crispum (2 Taxa) |  |  |  |  | 
|  |  crispus (5 Taxa) |  |  |  |  | 
|  | crista-galli, Onobrychis \ Hahnenkamm-Esparsette / Cock's-Comb Sainfoin |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Zyp | 
|  |  cristata (2 Taxa + 1 Syn.) |  |  |  |  | 
|  | cristatum, Melampyrum \ Kamm-Wachtelweizen / Crested Cow-Wheat |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | D | 
|  |  cristatus (2 Taxa) |  |  |  |  | 
|  | cristophii, Allium \ Stern-Kugellauch, Stern von Persien / Star of Persia, Persian Onion |  | Liliaceae \ Liliengewächse / Lily Fam. |  | D | 
|  |  crithmoides (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  croatica (3 Taxa + 1 Syn.) |  |  |  |  | 
|  |  crocea (2 Taxa) |  |  |  |  | 
|  | croceum, Lilium bulbiferum subsp. \ Orangerote Feuerlilie / Orange Lily |  | Liliaceae \ Liliengewächse / Lily Fam. |  | A 
I | 
|  | croceus, Leontodon −−> Scorzoneroides crocea |  | Asteraceae \ Korbblütler / Composite Fam. |  | A | 
|  | crocifolia, Scorzonera \ Krokusblättrige Schwarzwurzel / Crocus-Leaved Viper's Grass |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR | 
|  | crocifolius, Tragopogon \ Safranblättriger Bocksbart / Saffron-Leaved Goat's-Beard |  | Asteraceae \ Korbblütler / Composite Fam. |  | F | 
|  | crocosmiiflora, Crocosmia x −−> Crocosmia aurea x pottsii |  | Iridaceae \ Irisgewächse / Iris Fam. |  | E 
IRL | 
|  | cruciata, Gentiana \ Kreuz-Enzian / Cross-Leaved Gentian |  | Gentianaceae \ Enziangew. / Gentian Fam. |  | D 
E 
HR | 
|  | crudelis, Genista fasselata subsp. \ Troodos-Ginster / Troodos Gorse |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | Zyp | 
|  | cruentus, Amaranthus \ Rispen-Amaranth / Red Pigweed |  | Amaranthaceae \ Fuchsschwanzgew. / Amaranth Fam. |  | D | 
|  | crupinastrum, Crupina \ Echter Schlupfsame / False Saw Wort |  | Asteraceae \ Korbblütler / Composite Fam. |  | Cor 
GR 
HR 
Les 
Zyp | 
|  | crus-galli, Echinochloa \ Hühnerhirse / Cockspur |  | Poaceae \ Süßgräser / Grass Fam. |  | D 
I | 
|  | crustata, Saxifraga \ Krusten-Steinbrech / Encrusted Saxifrage |  | Saxifragaceae \ Steinbrechgew. / Saxifrage Fam. |  | A | 
|  | cucubalus, Silene −−> Silene vulgaris subsp. vulgaris |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | A 
D 
GR 
IRL 
SLO | 
|  | culinaris, Lens −−> Vicia lens |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | D 
I 
S | 
|  | cultivar, Iris \ Schwertlilien-Zuchtform / Cultivated Iris Form |  | Iridaceae \ Irisgewächse / Iris Fam. |  | A 
D | 
|  | cuminoides, Lagoecia \ Hasenkümmel / Common Wild Cumin |  | Apiaceae \ Doldenblütler / Umbellifers |  | GR | 
|  | cuneatum, Aeonium \ Keilblättriges Greenovia / Cuneate Aeonium ? |  | Crassulaceae \ Dickblattgew. / Stonecrop Fam. |  | Ten | 
|  | cuneifolia subsp. pallida, Centaurea \ Keilblättrige Flockenblume / Wedge-Leaved Knapweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR | 
|  |  cuneifolia (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cuneifolium, Asplenium \ Serpentin-Streifenfarn / Serpentine Spleenwort |  | Pteridopsida \ Echte Farne / True Ferns |  | A | 
|  |  cupaniana (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cupanii, Colchicum \ Cupanis Zeitlose / Cupani's Autumn Crocus |  | Liliaceae \ Liliengewächse / Lily Fam. |  | GR | 
|  | cupressiforme, Hypnum \ Zypressen-Schlafmoos / Cypress-Leaved Plait Moss |  | Musci \ Laubmoose / Mosses |  | D 
S | 
|  | cuprina, Luzula luzuloides subsp. \ Weißliche Hainsimse / White Wood-Rush |  | Juncaceae \ Binsengewächse / Rush Fam. |  | A 
D | 
|  | curassavicum, Heliotropium \ Curacao-Sonnenwende / Salt Heliotrope |  | Boraginaceae \ Borretschgew. / Borrage Fam. |  | Pal | 
|  |  curetum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | curtisii, Viola tricolor subsp. −−> Viola tricolor subsp. ammotropha |  | Violaceae \ Veilchengewächse / Violet Fam. |  | D 
IRL 
S | 
|  | curvaciculatus, Rubus \ Krummnadelige Brombeere / Curved-Spined Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | curvidens, Sideritis \ Gliedkraut / Ironwort |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | Kre 
Rho 
Sam | 
|  | curvisepala, Crataegus −−> Crataegus rhipidophylla subsp. rhipidophylla |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  |  curvula (2 Taxa) |  |  |  |  | 
|  |  cuspidata (5 Taxa + 2 Syn.) |  |  |  |  | 
|  | cuspidatiformis, Rubus \ Cuspidatus-Ähnliche Haselblatt-Brombeere / Cuspidatus-Like Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | cuspidatum, Sphagnum \ Spieß-Torfmoos / Toothed Sphagnum |  | Sphagnopsida \ Torfmoose / Bog Mosses |  | S | 
|  | cuspidatus, Rubus \ Zugespitzte Haselblatt-Brombeere / Cuspidate Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | cutandae, Dianthus scaber subsp. −−> Dianthus legionensis |  | Caryophyllaceae \ Nelkengew. / Campion Fam. |  | E | 
|  | cyanoides, Jurinea \ Sand-Silberscharte / Sand Jurinea |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | cyanophylla, Acacia −−> Acacia saligna |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | GR 
Rho | 
|  | cyanophyllus, Rubus \ Blaublättrige Brombeere / Blue-Leaved Bramble |  | Rosaceae \ Rosengewächse / Rose Fam. |  | D | 
|  | cyanus, Centaurea \ Kornblume / Cornflower |  | Asteraceae \ Korbblütler / Composite Fam. |  | A 
D 
E 
Kef 
Les | 
|  | cycladicum, Muscari \ Kykladen-Traubenhyazinthe / Cyclades Tassel Hyacinth |  | Liliaceae \ Liliengewächse / Lily Fam. |  | Kyk | 
|  | cyclamineus x tazetta, Narcissus −−> Narcissus x cyclazetta |  | Amaryllidaceae \ Narzissengew. / Amaryllis Fam. |  | D | 
|  | cyclazetta, Narcissus x \ Zwerg-Osterglocke / Daffodil tete-a-tete |  | Amaryllidaceae \ Narzissengew. / Amaryllis Fam. |  | D | 
|  |  cyclocarpum (1 Taxon + 1 Syn.) |  |  |  |  | 
|  | cyclophyllus, Helleborus \ Kreisblättrige Nieswurz / Greek Hellebore |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | D 
GR | 
|  | cylindraceum, Arum \ Südöstlicher Aronstab / Alpine Arum, Danish Arum |  | Araceae \ Aronstabgewächse / Arum Fam. |  | A 
GR | 
|  |  cylindrica (2 Taxa) |  |  |  |  | 
|  | cylindricum, Triticum −−> Aegilops cylindrica |  | Poaceae \ Süßgräser / Grass Fam. |  | D | 
|  | cyllenea, Adonis \ Kyllenisches Adonisröschen / Kyllenian Pheasant's Eye |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | GR | 
|  | cylleneum, Marrubium velutinum subsp. \ Kyllini-Andorn / Kyllini Horehound |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | GR | 
|  | cylleneus, Astragalus thracicus subsp. \ Kyllini-Tragant / Mount Kyllini Milk-Vetch |  | Fabaceae \ Schmetterlingsblütler / Legumes |  | GR | 
|  | cymbalaria subsp. trichadena, Veronica −−> Veronica trichadena |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | Rho | 
|  | cymbalaria, Veronica \ Zymbelkraut-Ehrenpreis / Cymbalaria-Leaved Speedwell |  | Scrophulariaceae \ Braunwurzgew. / Figwort Fam. |  | Chi 
Cor 
F 
GR 
HR 
Kre 
Sam 
Zyp | 
|  | cymbifolium, Sphagnum −−> Sphagnum palustre |  | Sphagnopsida \ Torfmoose / Bog Mosses |  | D 
S | 
|  | cymosa, Pilosella −−> Hieracium cymosum |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
GR 
I 
Les | 
|  | cymosiforme, Hieracium −−> Hieracium fallax |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | cymosiformis, Pilosella −−> Hieracium fallax |  | Asteraceae \ Korbblütler / Composite Fam. |  | D | 
|  | cymosum, Hieracium \ Trugdoldiges Habichtskraut / Cymose Hawkweed |  | Asteraceae \ Korbblütler / Composite Fam. |  | D 
GR 
I 
Les | 
|  | cynanchica, Asperula \ Hügel-Meier / Squinancy Wort |  | Rubiaceae \ Rötegewächse / Bedstraw Fam. |  | A 
D 
F 
HR 
SLO | 
|  | cynapioides, Aethusa cynapium subsp. −−> Aethusa cynapium subsp. elata |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | cynapium subsp. cynapioides, Aethusa −−> Aethusa cynapium subsp. elata |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | cynapium subsp. elata, Aethusa \ Wald-Hunds-Petersilie / Fool's Parsley |  | Apiaceae \ Doldenblütler / Umbellifers |  | D | 
|  | cynapium, Aethusa \ Hunds-Petersilie, Garten-Schierling / Fool's Parsley |  | Apiaceae \ Doldenblütler / Umbellifers |  | D 
HR 
IRL | 
|  | cynaroides, Lamyropsis \ Artischockenähnliche Lamyropsis / Artichoke-Like Lamyropsis |  | Asteraceae \ Korbblütler / Composite Fam. |  | GR | 
|  | cynocrambe, Theligonum \ Hundskohl / Dog's Cabbage |  | Theligonaceae \ Hundskohlgew. / Dog's Cabbage Fam. |  | Kre 
Les 
Mal 
Rho | 
|  | cyparissias, Euphorbia \ Zypressen-Wolfsmilch / Cypress Spurge |  | Euphorbiaceae \ Wolfsmilchgew. / Spurge Fam. |  | A 
D 
F 
HR | 
|  | cypria subsp. occidentalis, Phlomis \ Westliches Zyprisches Brandkraut / Western Cyprus Jerusalem Sage |  | Lamiaceae \ Lippenblütler / Mint Fam. |  | Zyp | 
|  |  cypria (6 Taxa) |  |  |  |  | 
|  |  cyprium (4 Taxa + 1 Syn.) |  |  |  |  | 
|  |  cyprius (4 Taxa) |  |  |  |  | 
|  | cyrnea, Pulsatilla alpina subsp. \ Korsische Alpen-Kuhschelle / Corsican Alpine Pasque-Flower |  | Ranunculaceae \ Hahnenfußgew. / Buttercup Fam. |  | Cor | 
|  |  cytheraeus (1 Taxon + 1 Syn.) |  |  |  |  | 
|  |  cytisoides (2 Taxa) |  |  |  |  | 
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