Croptilon rigidifolium

Croptilon rigidifolium, called the stiff-leaf scratchdaisy, is a North American species of flowering plants in the tribe Astereae within the family Asteraceae. It has been found in the US State of Texas and also in the Mexican State of Nuevo León.^[2][3][4]

Croptilon rigidifolium
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Croptilon
Species:	C. rigidifolium
Binomial name
Croptilon rigidifolium (E.B.Sm.) E.B.Sm.
Synonyms[1]
Croptilon divaricatum var. hirtellum (Shinners) Shinners Haplopappus rigidifolius E.B.Sm. Isopappus divaricatus var. hirtellus Shinners

Croptilon rigidifolium is an herb sometimes reaching a height of 150 cm (5 feet). Flower heads are yellow, with both ray florets and disc florets.^[5]