!Liparis loeselii (Linne) L.C.M. Richard 1817 SUBGENUS LiparisPhoto by © Helmut Baumann and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Side View of Flower Photo by © Pieter C. Brouwer and his Photo Website
Inflorescence Photo by T. H. Pain and His Orchids of France and Europe
LATE
and EARLY 
Common Name Fen Orchid - Loesel's Twayblade [German Botanist 1700's]
Flower Size 3/8" [1 cm]
Found in Great Britain, Norway, Sweden, Finland, France, Belgium, Netherlands, Germany, Denmark, Czechloslavakia, Austria, Hungary, Switzerland, Italy, Yugoslavia, Greece, Bulgaria, Romania, Poland, Belarus, Ukraine, western Russia, central Russia, eastern Russia, western Siberia, Kazakistan, Northwest Territories, Br. Colombia, Manitoba, Saskatchuan, Ontario, Quebec, Prince Edward Island, Nova Scotia, New Brunswick, Washington, Montana, Nebraska, Iowa, Kansas, Minnesota, Wisconson, Missouri, Illinois, Michigan, Indiana, Ohio, Kentucky, West Virginia, Pennsylvania, New York, New Jersey, Massachusets, Connecticut, Rhode Island, New Hampshire, Vermont, Maine, Delaware, Maryland, Virginia, Tennesee, North Carolina, Arkansas, Alabama and Mississippi at elevations up to 900 meters as a small sized, cold growing terrestrial orchid that occurs in fens and marshes with ovoid pseudobulbs, enveloped by dry sheaths, carrying 2 oblong or elliptic, acute or obtuse, glossy green leaves that are keeled below and blooms in the late spring and early summer on an erect, to 10 " [25 cm] long, racemose, loosely few to several flowered inflorescence with successive opening flowers occuring over a long period.
Synonyms Anistylis lutea Raf. 1825; Cymbidium loeselii Sw. 1799; Leptorchis loeselii (L.) MacMill. 1893; Liparis bifolia St.-Lag. in A.Cariot 1889; Liparis correana (W.P.C.Barton) Spreng. 1826; Liparis loeselii f. lutosa (Clairv.) Soó 1928; Liparis loeselii f. ovata (Ridd. ex Godfery) Soó 1969; Liparis loeselii f. squamigera Zapal. 1906; Liparis loeselii subsp. nemoralis Perazza, Decarli, Filippin, Bruna & Regattin 2012; Liparis loeselii subsp. orientalis Efimov 2010; Liparis loeselii subsp. sachalinensis (Nakai) Efimov 2010; Liparis loeselii var. cracoviensis Zapal. 1906; Liparis loeselii var. lutosa Clairv. 1811; Liparis loeselii var. ovata Ridd. ex Godfery 1933; Malaxis correana W.P.C.Barton 1815; Malaxis loeselii Swartz 1800; Malaxis longifolia W.P.C.Barton 1818; Mesoptera loeselii (L.) Raf. 1833; *Ophrys loeselii Linne 1753; Ophrys trigona Gilib. 1792; Orchis loeselii (L.) MacMill. 1892; Paliris loeselii (L.) Dumort. 1827; Pseudorchis loeselii (L.) Gray 1821; Serapias loeselii (L.) Hoffm. 1800; Sturmia loeselii (Linne) rchb.f 1826; Sturmia loeselii (L.) Rchb. 1829
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #3 1967 photo fide; The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide; AOS Bulletin Vol 66 No 1 1997 photo fide; Die Orchideen Band 3 Sonderabdruck aus Schlechter Brieger, Maatsch and Senghas Liferung #13 753 - 819 Liparinae 1983; AOS Bulletin Vol 72 No 9 2003 photo fide; Orchids of Europe, North Africa and the Middle East Delforge 2005; AOS Bulletin Vol 81 #6 2012 photo fide;
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