Erodium texanum vs heron's bill

Erodium texanum and heron's bill both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erodium texanum	Yes	No	No	No
heron's bill	Yes	No	No	No

As nouns, heron's bill is a hypernym of Erodium texanum; that is, heron's bill is a word with a broader meaning than Erodium texanum:

Erodium texanum: of prairies and desert areas of southwestern United States and Mexico
heron's bill: any of various plants of the genus Erodium

Other hypernyms of Erodium texanum include storksbill.

Erodium texanum (noun)	heron's bill (noun)
of prairies and desert areas of southwestern United States and Mexico	any of various plants of the genus Erodium