Contact Us Host an Event Volunteer Join

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:

Hymenoxys cooperi

Hymenoxys cooperi (A. Gray) Cockerell

Cooper's Rubberweed

Asteraceae (Aster Family)


USDA Symbol: HYCO2

USDA Native Status: L48 (N)

Cooper’s rubberweed bears one to few stems, each rising 1-2 ft. high. The barely fuzzy foliage is divided into linear segments and becomes gradually reduced upward. Yellow, radiate flowerheads occur in open clusters.


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Annual
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Sep , Oct


USA: AZ , CA , ID , NV , OR , UT
Native Distribution: S. UT & NV, n. AZ & s.e. CA
Native Habitat: Dry, rocky slopes; 2000-7000 ft.

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, rocky soils.
Conditions Comments: Not Available

Additional resources

USDA: Find Hymenoxys cooperi in USDA Plants
FNA: Find Hymenoxys cooperi in the Flora of North America (if available)
Google: Search Google for Hymenoxys cooperi


Record Modified: 2007-01-01
Research By: TWC Staff

Go back