Cleistes divaricata vs spreading pogonia

Cleistes divaricata and spreading pogonia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cleistes divaricata	Yes	No	No	No
spreading pogonia	Yes	No	No	No

As nouns, Cleistes divaricata and spreading pogonia are synonyms defined as:

Cleistes divaricata and spreading pogonia: orchid of northeastern United States with magenta-pink flowers having funnel-shaped lip; sometimes placed in genus Pogonia

Other synonyms of Cleistes divaricata include funnel-crest rosebud orchid, Pogonia divaricata.

Cleistes divaricata (noun)	spreading pogonia (noun)
orchid of northeastern United States with magenta-pink flowers having funnel-shaped lip; sometimes placed in genus Pogonia	orchid of northeastern United States with magenta-pink flowers having funnel-shaped lip; sometimes placed in genus Pogonia