genus Saxifraga vs Saxifraga

genus Saxifraga and Saxifraga both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Saxifraga	Yes	No	No	No
Saxifraga	Yes	No	No	No

As nouns, genus Saxifraga and Saxifraga are synonyms defined as:

genus Saxifraga and Saxifraga: type genus of the Saxifragaceae; large genus of usually perennial herbs of Arctic and cool regions of Northern Hemisphere: saxifrage

genus Saxifraga (noun)	Saxifraga (noun)
type genus of the Saxifragaceae; large genus of usually perennial herbs of Arctic and cool regions of Northern Hemisphere: saxifrage	type genus of the Saxifragaceae; large genus of usually perennial herbs of Arctic and cool regions of Northern Hemisphere: saxifrage