Taxon  Report   4302    
Hymenoxys cooperi  (A. Gray) Cockerell
Cooper goldflower,  Cooper's goldflower, Cooper's rubberweed
Hymenoxys cooperi
© 2012 Dylan Neubauer
Photos from
CalPhotos / Calflora
Hymenoxys cooperi
© 2012 Neal Kramer
Hymenoxys cooperi
© 2012 Keir Morse
Hymenoxys cooperi, 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 cooperi
© 2011 Steve Matson
Genus: Hymenoxys
Communities: Pinyon-Juniper Woodland, Bristle-cone Pine Forest
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Hymenoxys cooperi var. canescens
ICPN: Hymenoxys cooperi var. cooperi
More information about  Hymenoxys cooperi
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (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:   (Accessed: Jan 18, 2019).