Corethrogyne sp.
California-aster, sand-aster, Sand-Aster
(c) Ken-ichi Ueda, some rights reserved (CC BY) · licence
Family: Asteraceae · Type: Annual · Native
Corethrogyne sp. (California-aster) is a native California annual in the Asteraceae family.
How to tell it apart
vs Symphyotrichum: Symphyotrichum has white pappus and fertile rays; Corethrogyne has brown pappus and sterile rays; vs Erigeron: Erigeron has many very thin rays (like 50+); Corethrogyne has fewer wider rays; vs Dieteria: Dieteria has white pappus and fertile rays; Corethrogyne has brown/red pappus; vs Pseudognaphalium: Pseudognaphalium has woolly white-gray foliage and no ray flowers; vs Artemisia: Artemisia has tiny rayless heads and deeply divided aromatic silver-gray leaves
Frequently asked questions
Is Corethrogyne sp. native to California?
Yes. Corethrogyne sp. is native to California (recorded as native).
What plant family does Corethrogyne sp. belong to?
Corethrogyne sp. is in the Asteraceae family, genus Corethrogyne.
Related species
Other California species in the same genus, family, or bioregion.
- Corethrogyne filaginifolia — Common sandaster
- Corethrogyne filaginifolia var. incana — San Diego sand aster
- Corethrogyne filaginifolia var. linifolia — Del Mar Mesa sand aster
- Corethrogyne leucophylla — branching beach aster
- Cosmos bipinnatus — Garden cosmos
- Cosmos sp.
- Cosmos sulphureus — Sulphur cosmos
- Cota sp. — Golden marguerite
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.