Liparis loeselii


Liparis loeselii, the fen orchid, yellow widelip orchid, or bog twayblade, is a species of orchid. It is native to Europe, northern Asia, the eastern United States, and eastern Canada. It grows in fens, bogs and dune slacks. It has yellow flowers and glossy yellow-green leaves.
;Subspecies
  1. Liparis loeselii subsp. loeselii - Europe, Russia, Kazakhstan, Canada, United States
  2. Liparis loeselii subsp. orientalis Efimov - Altay region of Russia
  3. Liparis loeselii subsp. sachalinensis Efimov - Sakhalin Island in Russia