Calflora
Taxon  Report   4617    
Lathyrus palustris  L.
Marsh pea
Lathyrus palustris
© 2015 Aaron Arthur
Photos from
CalPhotos / Calflora
Lathyrus palustris
© 2008 Jennifer L. Kalt
Lathyrus palustris, a dicot, is a perennial herb that is native to California, is also found elsewhere in North America and beyond.
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Lathyrus palustris
© 2015 Aaron Arthur
Family: FABACEAE  
Genus: Lathyrus
Communities: Coastal Prairie, Yellow Pine Forest, Northern Coastal Scrub, North Coastal Coniferous Forest, Freshwater Wetlands, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh, bogs/fens

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Lathyrus myrtifolius
PLANTS: Lathyrus palustris ssp. pilosus
PLANTS: Lathyrus palustris var. linearifolius
. . .
More information about  Lathyrus 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 (LAPA4)

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 18, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.