Calflora
Taxon  Report   7239    
Ruppia maritima  L.
Ditch grass,  Ditchgrass or wigeon grass, Widgeongrass
Ruppia maritima
© 2002 Margo Bors
Photos from
CalPhotos / Calflora
Ruppia maritima
© 2011 Sangeet Khalsa
Ruppia maritima
© 1995 Saint Mary's College of California
Ruppia maritima, a monocot, is a perennial herb (aquatic) that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

Plant Characteristics
and Associations


Bloom Period
Ruppia maritima
© 2011 Sangeet Khalsa
Family: RUPPIACEAE  
Genus: Ruppia
Communities: Coastal Salt Marsh, Freshwater Wetlands, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: coastal, salt-marsh, brackish, marsh

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Ruppia maritima var. brevirostris
PLANTS: Ruppia maritima var. exigua
PLANTS: Ruppia maritima var. intermedia
. . .
More information about  Ruppia maritima
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

USDA PLANTS Profile (RUMA5)

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 23, 2019).