Index / Search / Cyperus diandrus
§1 Plant
Cyperus diandrus Torr.
vernacular umbrella flatsedge — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Cyperus
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 258 counties across 25 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 258 counties across 25 states/territories.
Delaware view state ↗ 3 N ▾
District of Columbia view state ↗ 1 N ▾
Illinois view state ↗ 24 N ▾
- Adams 17001
- Champaign 17019
- Christian 17021
- Cook 17031
- DuPage 17043
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jo Daviess 17085
- Kane 17089
- Kankakee 17091
- Lake 17097
- Macon 17115
- Mason 17125
- McHenry 17111
- Menard 17129
- Morgan 17137
- Peoria 17143
- Piatt 17147
- Scott 17171
- St. Clair 17163
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 12 N ▾
Iowa view state ↗ 3 N ▾
Kansas view state ↗ 1 N ▾
Kentucky view state ↗ 2 N ▾
Maine view state ↗ 11 N ▾
Massachusetts view state ↗ 14 N ▾
Michigan view state ↗ 24 N ▾
- Barry 26015
- Bay 26017
- Berrien 26021
- Calhoun 26025
- Clinton 26037
- Gratiot 26057
- Huron 26063
- Jackson 26075
- Kalamazoo 26077
- Kent 26081
- Lake 26085
- Livingston 26093
- Manistee 26101
- Mason 26105
- Monroe 26115
- Muskegon 26121
- Newaygo 26123
- Oakland 26125
- Oceana 26127
- Ottawa 26139
- St. Clair 26147
- Tuscola 26157
- Van Buren 26159
- Wayne 26163
Minnesota view state ↗ 25 N ▾
- Anoka 27003
- Big Stone 27011
- Blue Earth 27013
- Carver 27019
- Chisago 27025
- Freeborn 27047
- Goodhue 27049
- Hennepin 27053
- Houston 27055
- Itasca 27061
- Lake 27075
- Le Sueur 27079
- Lincoln 27081
- Mille Lacs 27095
- Morrison 27097
- Pine 27115
- Pope 27121
- Ramsey 27123
- Sherburne 27141
- Steele 27147
- Waseca 27161
- Washington 27163
- Winona 27169
- Wright 27171
- Yellow Medicine 27173
Missouri view state ↗ 10 N ▾
Nebraska view state ↗ 18 N ▾
New Hampshire view state ↗ 4 N ▾
New Jersey view state ↗ 15 N ▾
New York view state ↗ 23 N ▾
- Bronx 36005
- Cayuga 36011
- Columbia 36021
- Erie 36029
- Jefferson 36045
- Kings 36047
- Monroe 36055
- Nassau 36059
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Orange 36071
- Oswego 36075
- Queens 36081
- Richmond 36085
- Saratoga 36091
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Tompkins 36109
- Washington 36115
- Wayne 36117
- Westchester 36119
North Dakota view state ↗ 1 N ▾
Ohio view state ↗ 3 N ▾
Pennsylvania view state ↗ 7 N ▾
Rhode Island view state ↗ 4 N ▾
South Dakota view state ↗ 1 N ▾
Tennessee view state ↗ 6 N ▾
Vermont view state ↗ 5 N ▾
Virginia view state ↗ 7 N ▾
Wisconsin view state ↗ 34 N ▾
- Adams 55001
- Barron 55005
- Brown 55009
- Buffalo 55011
- Burnett 55013
- Columbia 55021
- Crawford 55023
- Dane 55025
- Grant 55043
- Green 55045
- Green Lake 55047
- Iowa 55049
- Kenosha 55059
- La Crosse 55063
- Marinette 55075
- Marquette 55077
- Milwaukee 55079
- Oconto 55083
- Outagamie 55087
- Ozaukee 55089
- Pierce 55093
- Portage 55097
- Rock 55105
- Rusk 55107
- Sauk 55111
- Sawyer 55113
- Sheboygan 55117
- Trempealeau 55121
- Vernon 55123
- Walworth 55127
- Washington 55131
- Waupaca 55135
- Waushara 55137
- Winnebago 55139
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CYDI3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2730472 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T09:28:40Z