Heterotheca: from the Greek heteros, "different," and theke, "ovary," from the unlike achenes [small, dry, one-seeded fruit that does not open to release the seed] of the ray and disk florets (contributed by Cynthia Powell)
shevockii: after James R. Shevock (1950- ), a California botanist currently working for the National Park Service. (contributed by Cynthia Powell)
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Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals,
Consortium of California Herbaria.[web application]. 2021. Berkeley, California:The Calflora Database
[a non-profit organization].Available: