Pogonia divaricata vs spreading pogonia

Pogonia divaricata and spreading pogonia both are nouns.

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

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

Pogonia 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 Pogonia divaricata include Cleistes divaricata, funnel-crest rosebud orchid.

Pogonia 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