Taxon  Report   4434 
Juncus ambiguus  Guss.
Saline toad rush,  Seasice rush
Juncus ambiguus
© 2011 Aaron Arthur (Juncus bufonius)
Click on a photo to see it bigger.
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 + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Juncus ambiguus
© 2011 Hattie Brown (Juncus bufonius)
Genus: Juncus
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Juncus bufonius var. ranarius
TJM2 + PLANTS: Juncus bufonius var. halophilus
TJM2 + PLANTS: Juncus ranarius
More information about  Juncus ambiguus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 21, 2018).

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