Index / Search / Rhynchospora corniculata
§1 Plant
Rhynchospora corniculata (Lam.) A. Gray
vernacular shortbristle horned beaksedge — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Rhynchospora
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 499 counties across 17 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -13 °F minimum
- Frost-free days
- 170 min.
- Precipitation
- 30–50 in/yr
- pH range
- 5.1–7.4
- Root depth
- 16 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Lifespan
- Moderate
- Mature height
- 6.6 ft
- Foliage texture
- Coarse
- Foliage colour
- Yellow-Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 825,000
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 499 counties across 17 states/territories.
Alabama view state ↗ 22 N ▾
Arkansas view state ↗ 36 N ▾
- Arkansas 05001
- Ashley 05003
- Bradley 05011
- Calhoun 05013
- Chicot 05017
- Clark 05019
- Clay 05021
- Cleburne 05023
- Cleveland 05025
- Conway 05029
- Craighead 05031
- Crittenden 05035
- Cross 05037
- Dallas 05039
- Desha 05041
- Faulkner 05045
- Franklin 05047
- Fulton 05049
- Jackson 05067
- Jefferson 05069
- Lawrence 05075
- Lincoln 05079
- Lonoke 05085
- Mississippi 05093
- Monroe 05095
- Nevada 05099
- Prairie 05117
- Pulaski 05119
- Randolph 05121
- Saline 05125
- Sevier 05133
- St. Francis 05123
- Union 05139
- Washington 05143
- White 05145
- Woodruff 05147
Delaware view state ↗ 2 N ▾
Florida view state ↗ 49 N ▾
- Alachua 12001
- Baker 12003
- Bay 12005
- Bradford 12007
- Brevard 12009
- Broward 12011
- Calhoun 12013
- Citrus 12017
- Collier 12021
- Columbia 12023
- Duval 12031
- Escambia 12033
- Flagler 12035
- Franklin 12037
- Gilchrist 12041
- Gulf 12045
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Holmes 12059
- Jackson 12063
- Jefferson 12065
- Lafayette 12067
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Manatee 12081
- Marion 12083
- Martin 12085
- Nassau 12089
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Osceola 12097
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Seminole 12117
- St. Johns 12109
- Sumter 12119
- Volusia 12127
- Wakulla 12129
- Walton 12131
- Washington 12133
Georgia view state ↗ 25 N ▾
- Baker 13007
- Berrien 13019
- Bulloch 13031
- Camden 13039
- Chatham 13051
- Colquitt 13071
- Columbia 13073
- Cook 13075
- Dougherty 13095
- Early 13099
- Echols 13101
- Glynn 13127
- Houston 13153
- Jackson 13157
- Jasper 13159
- Jefferson 13163
- Lamar 13171
- Lee 13177
- Madison 13195
- McIntosh 13191
- Miller 13201
- Richmond 13245
- Thomas 13275
- Upson 13293
- Ware 13299
Illinois view state ↗ 10 N ▾
Indiana view state ↗ 5 N ▾
Kentucky view state ↗ 31 N ▾
- Ballard 21007
- Butler 21031
- Calloway 21035
- Carlisle 21039
- Clinton 21053
- Edmonson 21061
- Fulton 21075
- Graves 21083
- Hardin 21093
- Harrison 21097
- Henderson 21101
- Henry 21103
- Hickman 21105
- Hopkins 21107
- Jefferson 21111
- Laurel 21125
- Livingston 21139
- Lyon 21143
- Marshall 21157
- McCracken 21145
- McLean 21149
- Meade 21163
- Montgomery 21173
- Muhlenberg 21177
- Ohio 21183
- Perry 21193
- Robertson 21201
- Rockcastle 21203
- Todd 21219
- Trigg 21221
- Wayne 21231
Louisiana view state ↗ 64 N ▾
- Acadia 22001
- Allen 22003
- Ascension 22005
- Assumption 22007
- Avoyelles 22009
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- Concordia 22029
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberia 22045
- Iberville 22047
- Jackson 22049
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- Lafourche 22057
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Plaquemines 22075
- Pointe Coupee 22077
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Bernard 22087
- St. Charles 22089
- St. Helena 22091
- St. James 22093
- St. John the Baptist 22095
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- Vermilion 22113
- Vernon 22115
- Washington 22117
- Webster 22119
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Maryland view state ↗ 5 N ▾
Mississippi view state ↗ 56 N ▾
- Amite 28005
- Bolivar 28011
- Carroll 28015
- Chickasaw 28017
- Choctaw 28019
- Clarke 28023
- Covington 28031
- DeSoto 28033
- Forrest 28035
- Franklin 28037
- George 28039
- Greene 28041
- Hancock 28045
- Harrison 28047
- Hinds 28049
- Holmes 28051
- Humphreys 28053
- Issaquena 28055
- Itawamba 28057
- Jackson 28059
- Jasper 28061
- Jefferson 28063
- Jefferson Davis 28065
- Kemper 28069
- Lafayette 28071
- Lamar 28073
- Lauderdale 28075
- Lawrence 28077
- Leake 28079
- Leflore 28083
- Madison 28089
- Marion 28091
- Monroe 28095
- Montgomery 28097
- Panola 28107
- Pearl River 28109
- Pike 28113
- Pontotoc 28115
- Quitman 28119
- Rankin 28121
- Scott 28123
- Sharkey 28125
- Simpson 28127
- Smith 28129
- Stone 28131
- Tallahatchie 28135
- Tishomingo 28141
- Tunica 28143
- Union 28145
- Walthall 28147
- Warren 28149
- Washington 28151
- Wayne 28153
- Webster 28155
- Winston 28159
- Yazoo 28163
Missouri view state ↗ 15 N ▾
North Carolina view state ↗ 37 N ▾
- Anson 37007
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Carteret 37031
- Chowan 37041
- Columbus 37047
- Craven 37049
- Currituck 37053
- Edgecombe 37065
- Franklin 37069
- Gaston 37071
- Gates 37073
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Hertford 37091
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Martin 37117
- Montgomery 37123
- Nash 37127
- New Hanover 37129
- Northampton 37131
- Onslow 37133
- Orange 37135
- Pasquotank 37139
- Pender 37141
- Pitt 37147
- Stanly 37167
- Tyrrell 37177
- Union 37179
- Wake 37183
- Wayne 37191
- Wilson 37195
South Carolina view state ↗ 28 N ▾
- Aiken 45003
- Anderson 45007
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Charleston 45019
- Chesterfield 45025
- Clarendon 45027
- Darlington 45031
- Dillon 45033
- Dorchester 45035
- Edgefield 45037
- Florence 45041
- Georgetown 45043
- Hampton 45049
- Horry 45051
- Jasper 45053
- Lancaster 45057
- Laurens 45059
- Lee 45061
- Marlboro 45069
- Newberry 45071
- Orangeburg 45075
- Richland 45079
- Spartanburg 45083
- Sumter 45085
- Union 45087
- Williamsburg 45089
Tennessee view state ↗ 32 N ▾
- Benton 47005
- Cheatham 47021
- Coffee 47031
- Cumberland 47035
- Fayette 47047
- Franklin 47051
- Grundy 47061
- Hamilton 47065
- Hardin 47071
- Haywood 47075
- Henderson 47077
- Henry 47079
- Houston 47083
- Jackson 47087
- Lauderdale 47097
- Lewis 47101
- Loudon 47105
- Madison 47113
- Marion 47115
- McNairy 47109
- Montgomery 47125
- Moore 47127
- Obion 47131
- Overton 47133
- Putnam 47141
- Robertson 47147
- Shelby 47157
- Stewart 47161
- Sumner 47165
- Warren 47177
- Weakley 47183
- White 47185
Texas view state ↗ 48 N ▾
- Anderson 48001
- Atascosa 48013
- Austin 48015
- Bastrop 48021
- Bowie 48037
- Brazoria 48039
- Brazos 48041
- Burleson 48051
- Calhoun 48057
- Cameron 48061
- Chambers 48071
- Colorado 48089
- Fannin 48147
- Fort Bend 48157
- Galveston 48167
- Gonzales 48177
- Grayson 48181
- Gregg 48183
- Hardin 48199
- Harris 48201
- Henderson 48213
- Houston 48225
- Jackson 48239
- Jasper 48241
- Jefferson 48245
- Kaufman 48257
- Lamar 48277
- Lavaca 48285
- Leon 48289
- Liberty 48291
- Matagorda 48321
- Montgomery 48339
- Newton 48351
- Orange 48361
- Panola 48365
- Polk 48373
- Robertson 48395
- Sabine 48403
- San Jacinto 48407
- Shelby 48419
- Tarrant 48439
- Tyler 48457
- Victoria 48469
- Walker 48471
- Waller 48473
- Washington 48477
- Wharton 48481
- Wood 48499
Virginia view state ↗ 34 N ▾
- Accomack 51001
- Amelia 51007
- Brunswick 51025
- Buckingham 51029
- Caroline 51033
- Charles City 51036
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Cumberland 51049
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Gloucester 51073
- Greensville 51081
- Halifax 51083
- Hampton (city) 51650
- Hanover 51085
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- Mathews 51115
- Mecklenburg 51117
- New Kent 51127
- Newport News (city) 51700
- Northampton 51131
- Prince Edward 51147
- Prince George 51149
- Southampton 51175
- Suffolk (city) 51800
- Sussex 51183
- Virginia Beach (city) 51810
- York 51199
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/RHCO2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2720590 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z