| Vorschaubild | Art, Unterart, Varietät, Form | Sectio |  | Fotos von | 
| Preview pict. | Species, Subspecies, Variety, Forma | Section |  | Photos from | 
|  |  Traunsteinera \ Kugelorchis / Globe Orchid (2 Taxa) |  | - |  |  | 
|  | taigetica, Ophrys \ Taigetos-Ragwurz / Taigetos Orchid |  | Araneiferae |  | GR | 
|  | tallosii, Epipactis \ Tallos' Ständelwurz / Tallos' Helleborine |  | Helleborinae |  | H 
HR | 
|  | tanayensis, Anacamptis pyramidalis var. \ Alpen-Pyramidenorchis / Alpine Pyramidal Orchid |  | Anacamptis |  | CH | 
|  | tardans, Ophrys \ Spätblühende Ragwurz / Late-Flowering Bee Orchid |  | Tenthrediniferae |  | I | 
|  | tarentina, Ophrys \ Tarenter Ragwurz / Taranto Spider Orchid |  | Araneiferae |  | I | 
|  | tarquinia, Ophrys \ Tarquinia-Ragwurz / Tarquinia Bee Orchid |  | Araneiferae |  | I | 
|  |  tenera (1 Taxon + 1 Syn.) |  | - |  |  | 
|  | tenera, Orchis \ Zartes Knabenkraut / Tender Purple Orchid |  | Masculae |  | E | 
|  | tenera, Orchis mascula subsp. −−> Orchis tenera |  | Masculae |  | E | 
|  | tenthredinifera subsp. ficalhoana, Ophrys −−> Ophrys ficalhoana |  | Tenthrediniferae |  | E 
P | 
|  | tenthredinifera subsp. grandiflora, Ophrys −−> Ophrys grandiflora |  | Tenthrediniferae |  | Siz | 
|  | tenthredinifera subsp. leochroma, Ophrys −−> Ophrys leochroma |  | Tenthrediniferae |  | Chi 
GR 
Kre 
Rho | 
|  | tenthredinifera subsp. neglecta, Ophrys −−> Ophrys neglecta |  | Tenthrediniferae |  | I 
Sar | 
|  | tenthredinifera subsp. sanctae-marcellae, Ophrys \ Sankt-Marcellus-Ragwurz / Saint Marcellus Orchid |  | Tenthrediniferae |  | Chi | 
|  | tenthredinifera subsp. spectabilis, Ophrys −−> Ophrys spectabilis |  | Tenthrediniferae |  | Mal | 
|  | tenthredinifera subsp. tenthredinifera, Ophrys \ Frühblühende Wespen-Ragwurz / Sawfly Orchid |  | Tenthrediniferae |  | E 
F 
Mal | 
|  | tenthredinifera subsp. villosa s.l., Ophrys \ Östliche Wespen-Ragwurz / Eastern Sawfly Orchid |  | Tenthrediniferae |  | GR | 
|  | tenthredinifera subsp. villosa, Ophrys \ Östliche Wespen-Ragwurz / Eastern Sawfly Orchid |  | Tenthrediniferae |  | GR 
Rho 
TR | 
|  | tenthredinifera, Ophrys tenthredinifera subsp. \ Frühblühende Wespen-Ragwurz / Sawfly Orchid |  | Tenthrediniferae |  | E 
F 
Mal | 
|  | tetraloniae, Ophrys \ Tetralonia-Ragwurz / Tetralonia Late Spider Orchid |  | Fuciflorae |  | HR 
I | 
|  | thaliae, Anacamptis papilionacea subsp. \ Thalia-Schmetterlings-Knabenkraut / Thalia Butterfly Orchid |  | Papilionaceae |  | Rho | 
|  |  thesaurensis (1 Taxon + 1 Syn.) |  | - |  |  | 
|  | thracum, Limodorum trabutianum subsp. \ Thrakischer Dingel / Thrakian Limodore |  | - |  | GR | 
|  | thriptiensis, Ophrys \ Frühe Thripti-Ragwurz / Early Thripti Orchid |  | Fusci |  | Kre | 
|  | tilaventina, Ophrys apifera var. \ Tagliamento-Bienen-Ragwurz / Tagliamento Bee Orchid |  | Apiferae |  | I | 
|  | tommasinii, Ophrys \ Istrische Spinnen-Ragwurz / Istrian Spider Orchid |  | Araneiferae |  | HR | 
|  | trabutianum farbvariante_color-variant, Limodorum \ Trabuts Dingel / Trabut's Limodore |  | - |  | F | 
|  | trabutianum subsp. thracum, Limodorum \ Thrakischer Dingel / Thrakian Limodore |  | - |  | GR | 
|  | trabutianum, Limodorum \ Trabuts Dingel / Trabut's Limodore |  | - |  | E 
F 
I 
Sar | 
|  | transhyrcana subsp. mouterdeana, Ophrys −−> Ophrys adonidis |  | Mammosae |  | IL | 
|  | transhyrcana subsp. paphlagonica, Ophrys \ Paphlagonien-Ragwurz / Paphlagonian Bee Orchid |  | Mammosae |  | TR | 
|  |  transsilvanica (1 Taxon + 1 Syn.) |  | - |  |  | 
|  | traunsteineri subsp. carpatica, Dactylorhiza \ Karpaten-Fingerwurz, Karpaten-Knabenkraut / Carpatian Marsh Orchid |  | Latifoliae |  | CZ | 
|  | traunsteineri subsp. schurii, Dactylorhiza \ Schurs Fingerwurz, Schurs Knabenkraut / Schur's Orchid |  | Latifoliae |  | RO | 
|  | traunsteineri subsp. vosagiaca, Dactylorhiza \ Wasgau-Fingerwurz, Wasgau-Knabenkraut / Wasgau Marsh Orchid |  | Latifoliae |  | D 
F | 
|  | traunsteineri, Dactylorhiza \ Traunsteiners Fingerwurz, Traunsteiners Knabenkraut / Narrow-Leaved Marsh Orchid |  | Latifoliae |  | D 
I | 
|  | traunsteinerioides, Dactylorhiza \ Traunsteiner-ähnliche Fingerwurz / Pugsley's Marsh Orchid |  | Latifoliae |  | GB 
IRL | 
|  | tremolsii, Epipactis \ Tremols' Ständelwurz / Tremols' Helleborine |  | Helleborinae |  | E 
F 
Sar | 
|  | tricuspis, Pseudorchis albida subsp. \ Dreizackige Höswurz / Threelobed White Orchid |  | - |  | RO | 
|  | tridactylites, Habenaria \ Kanarenständel / Tree-lobed Habenaria |  | - |  | Ten | 
|  | tridentata subsp. angelica, Orchis −−> Neotinea commutata subsp. angelica |  | Tridentatae |  | Kre | 
|  |  tridentata (1 Taxon + 2 Syn.) |  | - |  |  | 
|  | trifida, Corallorrhiza \ Korallenwurz / Coral-root Orchid |  | - |  | A 
D 
F 
HR 
I 
S | 
|  | trollii, Ophrys apifera var. \ Trolls Bienen-Ragwurz / Troll's Bee Orchid |  | Apiferae |  | D 
F 
GB | 
|  | troodi, Epipactis \ Troodos-Ständelwurz / Troodos Helleborine |  | Helleborinae |  | Zyp | 
|  | truncata, Ophrys \ Gestutzte Hummel-Ragwurz / Truncated Bee Orchid |  | Fuciflorae |  | F | 
|  | turcica, Epipactis \ Türkische Ständelwurz / Turkish Helleborine |  | Helleborinae |  | Chi 
Les 
TR | 
|  | tynensis, Epipactis dunensis subsp. \ Tyne-Ständelwurz / Tyne Helleborine |  | Helleborinae |  | GB | 
|  |  tyrrhena (1 Taxon + 1 Syn.) |  | - |  |  | 
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