Bryum vs genus Bryum

Bryum and genus Bryum both are nouns.

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

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

Bryum and genus Bryum: type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules

Bryum (noun)	genus Bryum (noun)
type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules	type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules