Liparis loeselii vs fen orchis

Liparis loeselii and fen orchis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Liparis loeselii	Yes	No	No	No
fen orchis	Yes	No	No	No

As nouns, Liparis loeselii and fen orchis are synonyms defined as:

Liparis loeselii and fen orchis: small terrestrial orchid of eastern North America and Europe having two nearly basal leaves and dull yellow-green racemose flowers

Other synonyms of Liparis loeselii include fen orchid.

Liparis loeselii (noun)	fen orchis (noun)
small terrestrial orchid of eastern North America and Europe having two nearly basal leaves and dull yellow-green racemose flowers	small terrestrial orchid of eastern North America and Europe having two nearly basal leaves and dull yellow-green racemose flowers