Avena sp.
Oats, Oats
Family: Poaceae · Type: Annual · Not Native
Avena sp. (Oats) is a non-native California annual in the Poaceae family.
How to tell it apart
vs Bromus: Avena has large dangling spikelets (15-50mm); Bromus has smaller, more upright or nodding spikelets under 20mm.; vs Danthonia: Avena has huge pendulous spikelets over 15mm; Danthonia has compact spikelets under 15mm.; vs Ehrharta: Avena has large dangling spikelets with twisted awns; Ehrharta has small awned spikelets and distinctive hardened lower florets.; vs Nassella: Avena has broad, dangling spikelets; Nassella has narrow, needle-like rolled florets with persistent awns.; vs Festuca: Avena has huge dangling spikelets (15-50mm); Festuca has small spikelets under 12mm in upright clusters.
Frequently asked questions
Is Avena sp. native to California?
No. Avena sp. is not native to California (recorded as not native).
What plant family does Avena sp. belong to?
Avena sp. is in the Poaceae family, genus Avena.
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.