Trisetum sp.
(c) Patrick Hacker, some rights reserved (CC BY) · licence
Family: Poaceae · Type: Perennial · Variable; species dependent
Trisetum sp. is a non-native California perennial in the Poaceae family.
How to tell it apart
vs Schismus: Trisetum has hairy spikelet axes extending beyond flowers; Schismus has no extension or hairs.; vs Koeleria: Trisetum has dull spikelets with wide-spaced flowers; Koeleria has shiny, compact spikelets.; vs Aira: Trisetum is perennial with hairy axis extensions; Aira is annual with no axis extension.; vs Vahlodea: Trisetum's axis extension is clearly hairy (1-2mm); Vahlodea's is nearly hairless and tiny.; vs Deschampsia: Trisetum has obviously hairy spikelet axes; Deschampsia's axes are smooth or barely hairy.
Frequently asked questions
Is Trisetum sp. native to California?
No. Trisetum sp. is not native to California (recorded as variable; species dependent).
What plant family does Trisetum sp. belong to?
Trisetum sp. is in the Poaceae family, genus Trisetum.
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.