Hordeum sp.
Barley, Barley
Family: Poaceae · Type: Perennial · Variable; species dependent
Hordeum sp. (Barley) is a non-native California perennial in the Poaceae family.
How to tell it apart
vs Bromus: Hordeum has three spikelets per node in a spike; Bromus has separate spikelets in loose clusters.; vs Triticum: Hordeum has three spikelets per node; Triticum has one spikelet per node.; vs Taeniatherum: Hordeum has the central spikelet stalkless; check if side spikelets are stalked.; vs Setaria: Hordeum has three grouped spikelets per node; Setaria has dense bristly single spikelets.; vs Elymus: Hordeum has hollow stems; Elymus has solid stems between nodes.
Frequently asked questions
Is Hordeum sp. native to California?
No. Hordeum sp. is not native to California (recorded as variable; species dependent).
What plant family does Hordeum sp. belong to?
Hordeum sp. is in the Poaceae family, genus Hordeum.
Related species
Other California species in the same genus, family, or bioregion.
- Hordeum vulgare — Barley
- Hordeum arizonicum — Arizona barley
- Hordeum brachyantherum — Meadow barley
- Hordeum brachyantherum subsp. brachyantherum — Northern barley
- Hordeum brachyantherum subsp. californicum — California barley
- Hordeum depressum — Low barley
- Hyparrhenia hirta — Thatching grass
- Hyparrhenia sp.
- Imperata brevifolia — California satintail
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.