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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Carex atrosquama

Carex atrosquama Mack.

Lesser Blackscale Sedge

Cyperaceae (Sedge Family)

Synonym(s): Carex apoda, Carex atrata ssp. atrosquama, Carex atrata var. atrosquama

USDA Symbol: CAAT8

USDA Native Status: L48 (N), AK (N), CAN (N)


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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Leaf Margin: Entire
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Achene

Bloom Information

Bloom Color: Not Applicable
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.


USA: AK , CO , ID , MT , OR , UT , WA
Canada: AB

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Carex atrosquama in USDA Plants
FNA: Find Carex atrosquama in the Flora of North America (if available)
Google: Search Google for Carex atrosquama


Record Modified: 2007-01-01
Research By: TWC Staff

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