Picris echioides vs weed

Picris echioides and weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Picris echioides	Yes	No	No	No
weed	Yes	No	Yes	No

As nouns, weed is a hypernym of Picris echioides; that is, weed is a word with a broader meaning than Picris echioides:

Picris echioides: widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
weed: any plant that crowds out cultivated plants

Picris echioides (noun)	weed (noun)
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States	street names for marijuana
	a black band worn by a man (on the arm or hat) as a sign of mourning
	any plant that crowds out cultivated plants

Picris echioides (verb)	weed (verb)
	clear of weeds