Taxon  Report   4433    
Juncus acutus  L.  ssp. leopoldii  (Parl.) Snogerup
Leopold's rush,  Southwestern spiny rush, Wire grass
Juncus acutus ssp. leopoldii, a monocot, is a perennial grasslike herb (rhizomatous) that is native to California, is also found outside of California, but is confined to western North America.
California Rare Plant Rank: 4.2 (limited distribution).   CNPS Inventory
Observation Search
(398 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Juncus
Parent: Juncus acutus
Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: seeps, meadows, salt-marsh, dunes, coastal

Communities: Coastal Strand, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + CNPS + PLANTS: Juncus acutus var. sphaerocarpus
More information about  Juncus acutus ssp. leopoldii
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Apr 02, 2020).