beggar's lice vs subshrub

beggar's lice and subshrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
beggar's lice	Yes	No	No	No
subshrub	Yes	No	No	No

As nouns, subshrub is a hypernym of beggar's lice; that is, subshrub is a word with a broader meaning than beggar's lice:

beggar's lice: any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments
subshrub: low-growing woody shrub or perennial with woody base

Other hypernyms of beggar's lice include suffrutex.

beggar's lice (noun)	subshrub (noun)
Eurasian and North American plants having small prickly nutlets that stick to clothing	low-growing woody shrub or perennial with woody base
any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments