Taxon  Report   3599    
Fimbristylis thermalis  S. Watson
Hot springs fimbristylis,  Hot springs fimbry
Fimbristylis thermalis
© 2004 Steve Matson
Photos from
CalPhotos / Calflora
Fimbristylis thermalis, 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, Arizona, Nevada.
also called Fimbristylis spadicea
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common 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
Fimbristylis thermalis
© 2004 Steve Matson
Genus: Fimbristylis
Communities: Freshwater Wetlands, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh, springs, meadows

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Scirpus spadiceus
CNPS + PLANTS: Fimbristylis spadicea
More information about  Fimbristylis thermalis
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 16, 2019).