Index / Search / Cyperus grayoides
§1 Plant
Cyperus grayoides Mohlenbr.
vernacular Illinois flatsedge — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Cyperus
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 45 counties across 5 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 45 counties across 5 states/territories.
Illinois view state ↗ 8 N ▾
Iowa view state ↗ 1 N ▾
Louisiana view state ↗ 5 N ▾
Missouri view state ↗ 4 N ▾
Texas view state ↗ 27 N ▾
- Anderson 48001
- Angelina 48005
- Burleson 48051
- Cass 48067
- Colorado 48089
- Franklin 48159
- Grimes 48185
- Hardin 48199
- Henderson 48213
- Hopkins 48223
- Houston 48225
- Jasper 48241
- Leon 48289
- Marion 48315
- Nacogdoches 48347
- Newton 48351
- Polk 48373
- Rains 48379
- Robertson 48395
- Rusk 48401
- San Augustine 48405
- Shelby 48419
- Smith 48423
- Tyler 48457
- Upshur 48459
- Van Zandt 48467
- Wood 48499
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CYGR11 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2715442 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T12:30:10Z