Calflora
Taxon  Report   9515    
Hymenoxys hoopesii  (A. Gray) Bierner
Owl's claws
Hymenoxys hoopesii
© 2007 Dr. Mark S. Brunell
Photos from
CalPhotos / Calflora
Hymenoxys hoopesii
© 2016 John Doyen
Hymenoxys hoopesii
© 2008 Vernon Smith
Hymenoxys hoopesii, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Hymenoxys hoopesii
© 2014 James Gonsman
Family: ASTERACEAE  
Genus: Hymenoxys
Communities: Lodgepole Forest, Subalpine Forest, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN + PLANTS: Dugaldia hoopesii
ICPN + PLANTS: Helenium hoopesii
More information about  Hymenoxys hoopesii
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (HYHO)

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jan 19, 2019).