Host an Event Volunteer Join Tickets

Support the plant database you love!


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.

Enter a Plant Name:
Or choose a plant family:

Kobresia simpliciuscula

Kobresia simpliciuscula (Wahlenb.) Mack.

Simple Bog Sedge

Cyperaceae (Sedge family)

Synonym(s): Carex bipartita, Kobresia bipartita, Kobresia simpliciuscula var. americana

USDA Symbol: KOSI2

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


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Achene
Size Notes: Up to about 14 inches tall.

Bloom Information

Bloom Color: Green , Brown
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom color refers to spikelets. Bloom time refers to fruiting period.


USA: AK , CO , ID , MT , NM , OR , UT , WY
Canada: AB , BC , MB , NL , NT , NU , ON , QC , YT
Native Habitat: Fens, marshes, mesic to wet tundra, gravels, rocky slopes, usually on calcareous substrates.

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.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2020-10-30
Research By: CBR

Go back