Stropharia hornemannii vs Stropharia

Stropharia hornemannii and Stropharia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stropharia hornemannii	Yes	No	No	No
Stropharia	Yes	No	No	No

Stropharia hornemannii (noun)	Stropharia (noun)
a gilled fungus with a large slimy purple or olive cap; gills become purple with age; the stalk is long and richly decorated with pieces of the white sheath that extends up to a ring	genus of gill fungi with brown spores that is closely related to Agaricus; here placed in its own family Strophariaceae