Calflora
Taxon  Report   11470    
Carex idahoa  L. H. Bailey
Idaho sedge
Carex idahoa
© 2012 Dylan Neubauer
Photos from
CalPhotos / Calflora
Carex idahoa, a monocot, is a perennial grasslike herb (rhizomatous) that is native to California, is also found elsewhere in North America and beyond, (questionable).
CNPS Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere).   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
Carex idahoa
© 2004 Steve Matson
Communities: Subalpine Forest

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: meadows

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Carex parryana ssp. idahoa
ICPN: Carex parryana var. hallii
More information about  Carex idahoa
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (CAID)

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: http://www.calflora.org/   (Accessed: Oct 23, 2018).

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