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
© 2007 Steve Matson
More photos from
CalPhotos / Calflora
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.

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Calamagrostis stricta ssp. inexpansa
© 2013 Vernon Smith
Family: POACEAE  
Genus: Calamagrostis
Parent Record Calamagrostis stricta
Freshwater Wetlands, Northern Coastal Scrub, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian
Habitat: freshwater-marsh
Wetlands: Occurs usually in wetlands, occasionally in non wetlands
AFFINITY to serpentine soil:   1.5 (weak indicator)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Calamagrostis stricta ssp. inexpansa

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

PLANTS: Calamagrostis californica
PLANTS: Calamagrostis inexpansa var. brevior
PLANTS: Calamagrostis inexpansa var. novae-angliae
PLANTS: Calamagrostis labradorica
PLANTS: Calamagrostis lacustris
PLANTS: Calamagrostis lapponica var. brevipilis
PLANTS: Calamagrostis pickeringii var. lacustris
PLANTS: Calamagrostis robertii
PLANTS: Calamagrostis stricta var. brevior
PLANTS: Calamagrostis inexpansa var. barbulata
PLANTS: Calamagrostis hyperborea var. stenodes
PLANTS: Calamagrostis canadensis var. acuminata
PLANTS: Calamagrostis canadensis var. arcta
PLANTS: Calamagrostis chordorrhiza
PLANTS: Calamagrostis expansa
PLANTS: Calamagrostis fernaldii
PLANTS: Calamagrostis hyperborea var. americana
PLANTS: Calamagrostis hyperborea var. elongata
PLANTS: Calamagrostis stricta var. lacustris
ICPN + PLANTS: Calamagrostis crassiglumis
ICPN + PLANTS: Calamagrostis inexpansa
More information about  Calamagrostis stricta ssp. inexpansa
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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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: Aug 16, 2018).

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