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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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Cyperus grayoides (Illinois flatsedge)
Romfh, Pete

Cyperus grayoides

Cyperus grayoides Mohlenbr.

Illinois Flatsedge, Mohlenbrock's Sedge, Midwestern Gray's Flat Sedge

Cyperaceae (Sedge Family)

Synonym(s):

USDA Symbol: CYGR11

USDA Native Status: L48 (N)

 

From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

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

Bloom Information

Bloom Color: Red , Brown
Bloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Spikelets reddish brown. Flowers inconspicuous. Bloom color refers to spikelets. Bloom time refers to fruiting period.

Distribution

USA: AR , IL , LA , MO , TX

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

Metadata

Record Modified: 2023-03-29
Research By: Joseph A. Marcus

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