Taxon  Report   11718 
Glyceria ×occidentalis  (Piper) J. C. Nelson
Western manna grass
Glyceria Xoccidentalis
© 2007 Gerald Carr
More photos from
CalPhotos / Calflora
Glyceria Xoccidentalis
© 2007 Gerald Carr
Glyceria ×occidentalis, a monocot, is a perennial grass (aquatic) that is not native to Californiais also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations
Glyceria Xoccidentalis
© 2007 Gerald Carr
Family: POACEAE  
Genus: Glyceria
Freshwater Wetlands, wetland-riparian
Habitat: freshwater-marsh
Distribution by County 

Add an Observation of  Glyceria ×occidentalis

Name Status:
Accepted by JEF
Alternate Names:
(according to)

ICPN: Glyceria occidentalis
More information about  Glyceria ×occidentalis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jun 20, 2018).

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