Taxon  Report   13175    
Extriplex joaquinana  (A. Nelson) E.H. Zacharias
San Joaquin spearscale
Extriplex joaquinana
© © 2003 George W. Hartwell
Photos from
CalPhotos / Calflora
Extriplex joaquinana
© 2017 Marco Siragusa
Extriplex joaquinana
© 2009 John Dittes
Extriplex joaquinana, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
also called Atriplex joaquiniana
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   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
Extriplex joaquinana
© 2015 Julia King
Genus: Extriplex
Communities: Shadscale Scrub, Valley Grassland

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: meadows

Name Status:
Accepted by JEF

PLANTS accepted name:
Atriplex joaquinana

Alternate Names:
ICPN: Atriplex joaquinana
CNPS: Atriplex joaquiniana
ICPN: Atriplex spicata var. lagunita
More information about  Extriplex joaquinana
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

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 24, 2019).