Croptilon hookerianum

Croptilon hookerianum
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Astereae
Genus:	Croptilon
Species:	C. hookerianum
Binomial name
	Croptilon hookerianum; (Torr. & A.Gray) House
Synonyms[1]
	Synonymy Croptilon divaricatum var. hookerianum (Torr. & A.Gray) Shinners ; Haplopappus divaricatus var. hookerianus (Torr. & A.Gray) Waterf. ; Haplopappus validus subsp. torreyi E.B.Sm. ; Isopappus hookerianus Torr. & A.Gray ; Croptilon divaricatum var. graniticum (E.B.Sm.) Shinners, syn of var. graniticum ; Haplopappus validus subsp. graniticus E.B.Sm., syn of var. graniticum ; Haplopappus validus (Rydb.) Cory, syn of var. validum ; Isopappus validus Rydb., syn of var. validum ;

Croptilon hookerianum, called Hooker’s scratchdaisy, is a North American species of flowering plants in the aster tribe within the sunflower family. It has been found in the US states of Texas, Oklahoma, Kansas, and Arkansas.^[2]

Croptilon hookerianum is an herb sometimes reaching a height of 120 cm (4 feet). Flower heads are yellow, with both ray florets and disc florets.^[3]

Croptilon hookerianum var. graniticum (E.B.Sm.) E.B.Sm. - Texas
Croptilon hookerianum var. hookerianum - Texas
Croptilon hookerianum var. validum (Rydb.) E.B.Sm. - Arkansas, Kansas, Oklahoma, Texas

References

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