Asteraceae

Hooker's scratchdaisy

Croptilon hookerianum (Torr. & A.Gray) House

Family: Asteraceae
Genus: Croptilon

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Common names

By language (1)

English: Hooker's scratchdaisy

Synonyms

Croptilon divaricatum var. hookerianum (Torr. & A.Gray) Shinners
Croptilon hookerianum var. hookerianum
Haplopappus divaricatus var. hookerianus (Torr. & A.Gray) Waterf.
Haplopappus validus subsp. torreyi E.B.Sm.
Isopappus divaricatus var. hookerianus (Torr. & A.Gray) Shinners
Isopappus hookerianus Torr. & A.Gray

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Lower 48 states: native

Photos

Photo: Wikimedia Commons contributor, CC BY 4.0, from Wikimedia Commons

More in Croptilon

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.