Taxon  Report   1246    
Calamagrostis stricta  (Timm) Koeler  ssp. inexpansa  (A. Gray) C. W. Greene
Narrow spiked reedgrass,  Northern reedgrass, Thurber's reed grass
Calamagrostis stricta ssp. inexpansa
© 2013 Vernon Smith
Photos from
CalPhotos / Calflora
Calamagrostis stricta ssp. inexpansa
© 2007 Steve Matson
Calamagrostis stricta ssp. inexpansa
© 2007 Steve Matson
Calamagrostis stricta ssp. inexpansa, a monocot, is a perennial grass (rhizomatous) 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
Calamagrostis stricta ssp. inexpansa
© 2015 David popp
Communities: Freshwater Wetlands, Northern Coastal Scrub, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Serpentine affinity: 1.5; (weak indicator)

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Calamagrostis californica
PLANTS: Calamagrostis inexpansa var. brevior
PLANTS: Calamagrostis inexpansa var. novae-angliae
. . .
More information about  Calamagrostis stricta ssp. inexpansa
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 24, 2019).