Juncus sp.
Rush, Rush
Family: Juncaceae · Type: Perennial · Variable; species dependent
Juncus sp. (Rush) is a non-native California perennial in the Juncaceae family.
How to tell it apart
vs Schoenoplectus: Juncus has leaf blades present; Schoenoplectus is leafless with only bladeless sheaths at base.; vs Carex: Juncus has round or flattened stems; Carex has triangular stems you can feel.; vs Luzula: Run finger along leaf edge - smooth = Juncus, hairy = Luzula.; vs Elegia: Juncus has small individual flowers; Elegia has showy papery bracts and branching structure.; vs Cyperus: Juncus has round stems and capsules; Cyperus has triangular stems and lens-shaped achenes.
Frequently asked questions
Is Juncus sp. native to California?
No. Juncus sp. is not native to California (recorded as variable; species dependent).
What plant family does Juncus sp. belong to?
Juncus sp. is in the Juncaceae family, genus Juncus.
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.