Taxon  Report   307    
Ammannia robusta  Heer & Regel
Grand ammania,  Grand redstem
Ammannia robusta
© 2007 Trent M. Draper
Photos from
CalPhotos / Calflora
Ammannia robusta
© 2018 Ron Vanderhoff
Ammannia robusta
© 2018 Ron Vanderhoff
Ammannia robusta, a dicot, is an annual herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Ammannia robusta
© 2012 Ron Vanderhoff
Genus: Ammannia
Communities: (many plant communities), wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Ammannia coccinea ssp. robusta
PLANTS: Ludwigia scabriuscula
More information about  Ammannia robusta
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


Search the International Plants Names Index

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 22, 2019).