Calflora
Taxon  Report   11718    
Glyceria ×occidentalis  (Piper) J. C. Nelson
Western manna grass
Glyceria Xoccidentalis
© 2007 Gerald Carr
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)



point, line, or polygon

Plant Characteristics
and Associations
Glyceria Xoccidentalis
© 2007 Gerald Carr
Family: POACEAE  
Genus: Glyceria
Communities: Freshwater Wetlands, wetland-riparian

Habitat: freshwater-marsh

Name Status:
Accepted by JEF

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

Records from the Consortium of California Herbaria

USDA PLANTS Profile (GLOC)

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: Dec 19, 2018).