Genus: Dactylorhiza NECK. ex NEVSKI  
Authors: |
| RCHB.: | | Heinrich Gottlieb Ludwig Reichenbach (1793 - 1879), German botanist |
| P.F.HUNT: | | Peter Francis Hunt (1936 - 2013), British orchid specialist |
| SUMMERH.: | | Victor Samuel Summerhayes (1897 - 1974), English botanist |
| NECK.: | | Noël Martin Joseph de Necker (1729 - 1793), German physician and botanist of French descent |
| NEVSKI: | | Sergei Arsenjewitsch Newski (1908 - 1938), Russian botanist |
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Etymology: |
| Dactylorhiza: | | daktylos = finger, rhiza = root |
| majalis: | | in flower in may |
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| | Genus: Dactylorhiza NECK. ex NEVSKI
Authors: |
| PRESSER: | | Helmut Presser (1958 - ), German teacher and orchid specialist |
| RIECH.: | | Adolf Riechelmann (1951 - ), German orchid specialist from Franconia |
| NECK.: | | Noël Martin Joseph de Necker (1729 - 1793), German physician and botanist of French descent |
| NEVSKI: | | Sergei Arsenjewitsch Newski (1908 - 1938), Russian botanist |
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Etymology: |
| Dactylorhiza: | | daktylos = finger, rhiza = root |
| kuehnensis: | | Heide-Dore Kühn, head of AHO (workgroup native orchids) Bavaria (Germany) |
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| | Genus: Dactylorhiza NECK. ex NEVSKI  
Authors: |
| WUCHERPF.: | | Wolfgang Wucherpfennig (1936 - ), German orchid specialist |
| NECK.: | | Noël Martin Joseph de Necker (1729 - 1793), German physician and botanist of French descent |
| NEVSKI: | | Sergei Arsenjewitsch Newski (1908 - 1938), Russian botanist |
|
Etymology: |
| Dactylorhiza: | | daktylos = finger, rhiza = root |
| pomeranica: | | from Western Pomerania |
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Dactylorhiza ruthei (M.SCHULZE ex RUTHE) SOÓ has been described in 1897 by
RUDOLF RUTHE himself, based on one occurrence at the fortress at Osterkopf near
Swinemünde (Swinoujscie), in the eastern part of the island of Usedom, now Polish.
Already since many decades the plants are no longer existing there.
1997 HELMUT PPRESSER found plants which were assumed to be Dactylorhiza ruthei since then
at Peenemünde in the northwestern part of the island of Usedom, 45 km from Swinemünde.
In 2012 in his article in J.Eur.Orch.44(4):693-714 WOLFGANG WUCHERPFENNIG compared the relatively
many still existing herbarium plants from Swinemünde with the living plants from Peenemünde
and found so significant differences that he described the ones from Peenemünde newly as species
Dactylorhiza pomeranica.
Differences among others are the not existing lip drawing of D. pomeranica, the shape of the flower,
the length of the inflorescence, and the arrangement of the leaves.
Both species are assumed to be stabilized hybrid populations from
Dactylorhiza fuchsii s.l. and
Dactylorhiza incarnata s.l.
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