Holosteum sp.
Jagged chickweed, Jagged Chickweed
(c) jacinta lluch valero, some rights reserved (CC BY-SA) · licence
Family: Caryophyllaceae · Type: Annual · Not Native
Holosteum sp. (Jagged chickweed) is a non-native California annual in the Caryophyllaceae family.
How to tell it apart
vs Sagina: Holosteum has umbrella-like flower clusters with jagged petals; Sagina has scattered tiny flowers with smooth or no petals.; vs Eremogone: Holosteum has broad leaves and jagged petals in umbels; Eremogone forms needle-leaved cushions.; vs Arenaria: Holosteum flowers cluster in tight umbels with ragged petals; Arenaria flowers scatter along stems with smooth petals.; vs Moehringia: Holosteum has umbrella flower clusters and jagged petals; Moehringia has scattered flowers and smooth petals.; vs Minuartia: Holosteum has umbrella-shaped flower clusters; Minuartia has flowers scattered along branching stems.
Frequently asked questions
Is Holosteum sp. native to California?
No. Holosteum sp. is not native to California (recorded as not native).
What plant family does Holosteum sp. belong to?
Holosteum sp. is in the Caryophyllaceae family, genus Holosteum.
Related species
Other California species in the same genus, family, or bioregion.
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.