Myosurus sp.
Mousetail, Mousetail
Family: Ranunculaceae · Type: Annual · Native
Myosurus sp. (Mousetail) is a native California annual in the Ranunculaceae family.
How to tell it apart
vs Triglochin: Myosurus has distinctive elongated cone-shaped fruiting heads; Triglochin has slender spikes of scale-like flowers.; vs Typha: Myosurus is a tiny annual inches tall; Typha is a robust perennial several feet tall with brown flower heads.; vs Sparganium: Myosurus has cone-shaped receptacles on single stems; Sparganium has round, burr-like heads in branched clusters.; vs Juncus: Myosurus is an annual with elongated fruiting cones; Juncus is perennial with round capsules in branched clusters.
Frequently asked questions
Is Myosurus sp. native to California?
Yes. Myosurus sp. is native to California (recorded as native).
What plant family does Myosurus sp. belong to?
Myosurus sp. is in the Ranunculaceae family, genus Myosurus.
Related species
Other California species in the same genus, family, or bioregion.
- Myosurus apetalus — Bristly mousetail
- Myosurus apetalus var. borealis — Bristly mousetail
- Myosurus apetalus var. montanus — Bristly mousetail
- Myosurus cupulatus — Arizona mousetail
- Myosurus minimus — Common mouse tail
- Myosurus minimus ssp. apus — little mousetail
- Ranunculaceae sp. — Buttercup family
- Ranunculus acris — Acrid buttercup
- Ranunculus alismifolius — Alisma leaved buttercup
- Ranunculus alismifolius var. alismellus — Plantainleaf buttercup
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.