Taxon  Report   4433    
Juncus acutus  L.  ssp. leopoldii  (Parl.) Snogerup
Leopold's rush,  Southwestern spiny rush, Wire grass
Juncus acutus ssp. leopoldii
© 2011 Chris Winchell
Photos from
CalPhotos / Calflora
Juncus acutus ssp. leopoldii
© 2019 Belinda Lo
Juncus acutus ssp. leopoldii
© 2018 Ron Vanderhoff
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.
CNPS Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Juncus acutus ssp. leopoldii
© 2019 Belinda Lo
Genus: Juncus
Parent: Juncus acutus
Communities: Coastal Strand, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

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

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + CNPS + PLANTS: Juncus acutus var. sphaerocarpus
More information about  Juncus acutus ssp. leopoldii
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 16, 2019).