Calflora
Taxon  Report   8115    
Triglochin palustris  L.
Marsh arrow grass,  Marsh arrowgrass
Triglochin palustris
© 2010 Louis-M. Landry
Photos from
CalPhotos / Calflora
Triglochin palustris, a monocot, is a perennial herb (aquatic) that is native to California, is also found elsewhere in North America and beyond.
CNPS Rare Plant Rank: 2B.3 (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
Triglochin palustris
© 2010 Louis-M. Landry
Family: JUNCAGINACEAE  
Genus: Triglochin
Communities: Freshwater Wetlands, Subalpine Forest, Alpine Fell-fields

Wetlands: Occurs in wetlands

Habitat: meadows, lake-margin, riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Triglochin palustre
More information about  Triglochin palustris
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (TRPA28)

Search the International Plants Names Index

Search efloras.org (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: https://www.calflora.org/   (Accessed: Jan 16, 2019).