Taxon  Report   1243 
Calamagrostis ophitidis  (J. Howell) Nygren
Serpentine reed grass,  Serpentine reedgrass
Calamagrostis ophitidis
© 2012 Aaron Arthur
Click on a photo to see it bigger.
Calamagrostis ophitidis
© 2003 Doreen L. Smith
Calamagrostis ophitidis
© 2009 Neal Kramer
Calamagrostis ophitidis, a monocot, is a perennial grass that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 4.3 (limited distribution).   7th Edition  /  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
Calamagrostis ophitidis
© 1998 Dean Wm. Taylor
Family: POACEAE  
Genus: Calamagrostis
Chaparral, Valley Grassland
Habitat: meadows [CNPS Inventory]
Wetlands:Occurs in wetlands in another region, but occurs almost always under natural conditions in non wetlands in California [U.S. Fish & Wildlife Service.]
AFFINITY to serpentine soil:   6.1 (strict endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Calamagrostis ophitidis

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Calamagrostis purpurascens var. ophitidis
XWALK: Calamagrostis ophiditis
More information about  Calamagrostis ophitidis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 26, 2017).

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