Taxon  Report   4434    
Juncus ambiguus  Guss.
Saline toad rush,  Seasice rush
Juncus ambiguus
© 2011 Hattie Brown (Juncus bufonius)
Photos from
CalPhotos / Calflora
Juncus ambiguus
© 2007 Dr. Amadej Trnkoczy (Juncus bufonius)
Juncus ambiguus, a monocot, is an annual grasslike herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Juncus ambiguus
© 2011 Aaron Arthur (Juncus bufonius)
Genus: Juncus
Communities: wetland-riparian
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Juncus bufonius var. ranarius
ICPN + PLANTS: Juncus bufonius var. halophilus
ICPN + PLANTS: Juncus ranarius
More information about  Juncus ambiguus
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

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 20, 2019).