Index / Search / Tridens flavus var. flavus
§1 Plant
Tridens flavus (L.) Hitchc. var. flavus
vernacular purpletop tridens — variety · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Tridens
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Native
§2b
County-level range
· 905 counties across 31 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 905 counties across 31 states/territories.
Alabama view state ↗ 1 N ▾
Arkansas view state ↗ 55 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Benton 05007
- Boone 05009
- Bradley 05011
- Calhoun 05013
- Carroll 05015
- Clark 05019
- Clay 05021
- Cleburne 05023
- Cleveland 05025
- Columbia 05027
- Conway 05029
- Craighead 05031
- Crittenden 05035
- Cross 05037
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Fulton 05049
- Garland 05051
- Grant 05053
- Hempstead 05057
- Howard 05061
- Independence 05063
- Izard 05065
- Jefferson 05069
- Johnson 05071
- Lafayette 05073
- Lawrence 05075
- Lee 05077
- Logan 05083
- Madison 05087
- Marion 05089
- Miller 05091
- Mississippi 05093
- Montgomery 05097
- Nevada 05099
- Newton 05101
- Phillips 05107
- Poinsett 05111
- Pulaski 05119
- Randolph 05121
- Saline 05125
- Scott 05127
- Searcy 05129
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Union 05139
- Van Buren 05141
- Washington 05143
- White 05145
- Yell 05149
District of Columbia view state ↗ 1 N ▾
Georgia view state ↗ 2 N ▾
Illinois view state ↗ 92 N ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Brown 17009
- Calhoun 17013
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Jersey 17083
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- LaSalle 17099
- Lawrence 17101
- Lee 17103
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McLean 17113
- Menard 17129
- Mercer 17131
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Randolph 17157
- Richland 17159
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Schuyler 17169
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Wayne 17191
- White 17193
- Whiteside 17195
- Will 17197
- Williamson 17199
- Woodford 17203
Indiana view state ↗ 63 N ▾
- Bartholomew 18005
- Boone 18011
- Carroll 18015
- Cass 18017
- Clark 18019
- Clay 18021
- Crawford 18025
- Daviess 18027
- Dearborn 18029
- Decatur 18031
- Delaware 18035
- Dubois 18037
- Elkhart 18039
- Floyd 18043
- Fountain 18045
- Franklin 18047
- Fulton 18049
- Gibson 18051
- Greene 18055
- Hamilton 18057
- Harrison 18061
- Hendricks 18063
- Howard 18067
- Jackson 18071
- Jasper 18073
- Jefferson 18077
- Jennings 18079
- Knox 18083
- Lawrence 18093
- Madison 18095
- Marion 18097
- Marshall 18099
- Miami 18103
- Monroe 18105
- Montgomery 18107
- Morgan 18109
- Orange 18117
- Owen 18119
- Parke 18121
- Perry 18123
- Pike 18125
- Posey 18129
- Putnam 18133
- Ripley 18137
- Rush 18139
- Shelby 18145
- Spencer 18147
- St. Joseph 18141
- Starke 18149
- Sullivan 18153
- Switzerland 18155
- Tippecanoe 18157
- Tipton 18159
- Union 18161
- Vanderburgh 18163
- Vermillion 18165
- Vigo 18167
- Wabash 18169
- Warren 18171
- Warrick 18173
- Washington 18175
- Wayne 18177
- White 18181
Iowa view state ↗ 6 N ▾
Kansas view state ↗ 73 N ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Chase 20017
- Chautauqua 20019
- Cherokee 20021
- Clark 20025
- Clay 20027
- Cloud 20029
- Coffey 20031
- Comanche 20033
- Cowley 20035
- Crawford 20037
- Dickinson 20041
- Doniphan 20043
- Douglas 20045
- Edwards 20047
- Elk 20049
- Ellis 20051
- Ellsworth 20053
- Franklin 20059
- Geary 20061
- Greenwood 20073
- Harper 20077
- Harvey 20079
- Jackson 20085
- Jefferson 20087
- Jewell 20089
- Johnson 20091
- Kingman 20095
- Kiowa 20097
- Labette 20099
- Leavenworth 20103
- Lincoln 20105
- Linn 20107
- Lyon 20111
- Marion 20115
- Marshall 20117
- McPherson 20113
- Miami 20121
- Montgomery 20125
- Morris 20127
- Nemaha 20131
- Neosho 20133
- Osage 20139
- Osborne 20141
- Ottawa 20143
- Pawnee 20145
- Pottawatomie 20149
- Pratt 20151
- Reno 20155
- Republic 20157
- Rice 20159
- Riley 20161
- Rooks 20163
- Rush 20165
- Russell 20167
- Saline 20169
- Sedgwick 20173
- Shawnee 20177
- Smith 20183
- Stafford 20185
- Sumner 20191
- Wabaunsee 20197
- Washington 20201
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 67 N ▾
- Allen 21003
- Anderson 21005
- Ballard 21007
- Barren 21009
- Bath 21011
- Bell 21013
- Boone 21015
- Bourbon 21017
- Breathitt 21025
- Bullitt 21029
- Caldwell 21033
- Calloway 21035
- Campbell 21037
- Carlisle 21039
- Carroll 21041
- Clark 21049
- Clay 21051
- Daviess 21059
- Edmonson 21061
- Estill 21065
- Fayette 21067
- Fleming 21069
- Floyd 21071
- Garrard 21079
- Grant 21081
- Graves 21083
- Grayson 21085
- Hardin 21093
- Harrison 21097
- Hart 21099
- Henry 21103
- Hickman 21105
- Jackson 21109
- Jefferson 21111
- Jessamine 21113
- Kenton 21117
- Laurel 21125
- Lawrence 21127
- Lewis 21135
- Lincoln 21137
- Livingston 21139
- Logan 21141
- Lyon 21143
- Madison 21151
- Magoffin 21153
- McCracken 21145
- McLean 21149
- Menifee 21165
- Montgomery 21173
- Nelson 21179
- Nicholas 21181
- Oldham 21185
- Owen 21187
- Pendleton 21191
- Perry 21193
- Pulaski 21199
- Robertson 21201
- Rockcastle 21203
- Rowan 21205
- Spencer 21215
- Trigg 21221
- Union 21225
- Warren 21227
- Washington 21229
- Wayne 21231
- Whitley 21235
- Woodford 21239
Louisiana view state ↗ 49 N ▾
- Acadia 22001
- Allen 22003
- Avoyelles 22009
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberia 22045
- Jackson 22049
- Jefferson Davis 22053
- Lafayette 22055
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Ouachita 22073
- Pointe Coupee 22077
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Charles 22089
- St. Helena 22091
- St. Landry 22097
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Union 22111
- Vernon 22115
- Washington 22117
- Webster 22119
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Massachusetts view state ↗ 13 N ▾
Michigan view state ↗ 9 N ▾
Mississippi view state ↗ 16 N ▾
Missouri view state ↗ 43 N ▾
- Adair 29001
- Benton 29015
- Boone 29019
- Camden 29029
- Carroll 29033
- Carter 29035
- Cass 29037
- Clark 29045
- Clay 29047
- Cole 29051
- Dade 29057
- Dent 29065
- Dunklin 29069
- Franklin 29071
- Jackson 29095
- Jasper 29097
- Johnson 29101
- Laclede 29105
- Lincoln 29113
- Madison 29123
- Marion 29127
- McDonald 29119
- Miller 29131
- Mississippi 29133
- Monroe 29137
- Morgan 29141
- Newton 29145
- Nodaway 29147
- Pettis 29159
- Pike 29163
- Platte 29165
- Polk 29167
- Ralls 29173
- Randolph 29175
- St. Charles 29183
- St. Clair 29185
- St. Francois 29187
- St. Louis 29189
- Ste. Genevieve 29186
- Stone 29209
- Taney 29213
- Vernon 29217
- Washington 29221
Nebraska view state ↗ 15 N ▾
New Hampshire view state ↗ 4 N ▾
New Jersey view state ↗ 17 N ▾
New Mexico view state ↗ 1 N ▾
New York view state ↗ 20 N ▾
North Carolina view state ↗ 86 N ▾
- Alamance 37001
- Alexander 37003
- Alleghany 37005
- Anson 37007
- Avery 37011
- Beaufort 37013
- Brunswick 37019
- Buncombe 37021
- Burke 37023
- Cabarrus 37025
- Caldwell 37027
- Carteret 37031
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Clay 37043
- Cleveland 37045
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Davidson 37057
- Davie 37059
- Duplin 37061
- Durham 37063
- Edgecombe 37065
- Forsyth 37067
- Franklin 37069
- Gaston 37071
- Gates 37073
- Graham 37075
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Haywood 37087
- Henderson 37089
- Hoke 37093
- Hyde 37095
- Iredell 37097
- Jackson 37099
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Lincoln 37109
- Macon 37113
- Madison 37115
- Martin 37117
- McDowell 37111
- Mecklenburg 37119
- Mitchell 37121
- Montgomery 37123
- Moore 37125
- Nash 37127
- New Hanover 37129
- Onslow 37133
- Orange 37135
- Pamlico 37137
- Pasquotank 37139
- Pender 37141
- Person 37145
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rockingham 37157
- Rowan 37159
- Scotland 37165
- Stanly 37167
- Stokes 37169
- Surry 37171
- Swain 37173
- Transylvania 37175
- Union 37179
- Vance 37181
- Wake 37183
- Warren 37185
- Washington 37187
- Wayne 37191
- Wilkes 37193
- Wilson 37195
- Yadkin 37197
- Yancey 37199
Ohio view state ↗ 78 N ▾
- Adams 39001
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Athens 39009
- Belmont 39013
- Brown 39015
- Butler 39017
- Carroll 39019
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Columbiana 39029
- Coshocton 39031
- Crawford 39033
- Cuyahoga 39035
- Delaware 39041
- Erie 39043
- Fairfield 39045
- Fayette 39047
- Franklin 39049
- Gallia 39053
- Geauga 39055
- Greene 39057
- Guernsey 39059
- Hamilton 39061
- Hancock 39063
- Harrison 39067
- Highland 39071
- Hocking 39073
- Holmes 39075
- Huron 39077
- Jackson 39079
- Jefferson 39081
- Knox 39083
- Lake 39085
- Lawrence 39087
- Licking 39089
- Logan 39091
- Lorain 39093
- Lucas 39095
- Madison 39097
- Mahoning 39099
- Marion 39101
- Medina 39103
- Meigs 39105
- Mercer 39107
- Miami 39109
- Monroe 39111
- Montgomery 39113
- Morgan 39115
- Morrow 39117
- Muskingum 39119
- Noble 39121
- Ottawa 39123
- Perry 39127
- Pickaway 39129
- Pike 39131
- Portage 39133
- Preble 39135
- Richland 39139
- Ross 39141
- Sandusky 39143
- Scioto 39145
- Seneca 39147
- Shelby 39149
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Union 39159
- Vinton 39163
- Warren 39165
- Washington 39167
- Wayne 39169
- Wood 39173
- Wyandot 39175
Oklahoma view state ↗ 1 N ▾
Pennsylvania view state ↗ 49 N ▾
- Adams 42001
- Allegheny 42003
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Carbon 42025
- Centre 42027
- Chester 42029
- Clinton 42035
- Columbia 42037
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Elk 42047
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Juniata 42067
- Lackawanna 42069
- Lancaster 42071
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Northumberland 42097
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Snyder 42109
- Somerset 42111
- Union 42119
- Warren 42123
- Washington 42125
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 2 N ▾
South Carolina view state ↗ 35 N ▾
- Abbeville 45001
- Aiken 45003
- Allendale 45005
- Anderson 45007
- Bamberg 45009
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Calhoun 45017
- Charleston 45019
- Cherokee 45021
- Chester 45023
- Clarendon 45027
- Colleton 45029
- Edgefield 45037
- Fairfield 45039
- Florence 45041
- Georgetown 45043
- Greenville 45045
- Jasper 45053
- Kershaw 45055
- Lancaster 45057
- Laurens 45059
- Lexington 45063
- Marlboro 45069
- McCormick 45065
- Oconee 45073
- Orangeburg 45075
- Pickens 45077
- Saluda 45081
- Spartanburg 45083
- Sumter 45085
- Union 45087
- Williamsburg 45089
- York 45091
Tennessee view state ↗ 43 N ▾
- Blount 47009
- Bradley 47011
- Cannon 47015
- Carroll 47017
- Carter 47019
- Cheatham 47021
- Clay 47027
- Coffee 47031
- Cumberland 47035
- Davidson 47037
- Decatur 47039
- DeKalb 47041
- Fayette 47047
- Franklin 47051
- Greene 47059
- Grundy 47061
- Hamilton 47065
- Hardin 47071
- Haywood 47075
- Henry 47079
- Knox 47093
- Lake 47095
- Macon 47111
- Madison 47113
- Marion 47115
- Maury 47119
- McNairy 47109
- Meigs 47121
- Monroe 47123
- Montgomery 47125
- Morgan 47129
- Obion 47131
- Polk 47139
- Roane 47145
- Rutherford 47149
- Sequatchie 47153
- Sevier 47155
- Shelby 47157
- Stewart 47161
- Tipton 47167
- Unicoi 47171
- Washington 47179
- Wilson 47189
Texas view state ↗ 12 N ▾
Vermont view state ↗ 3 N ▾
Virginia view state ↗ 4 N ▾
West Virginia view state ↗ 37 N ▾
- Berkeley 54003
- Brooke 54009
- Cabell 54011
- Calhoun 54013
- Doddridge 54017
- Fayette 54019
- Gilmer 54021
- Grant 54023
- Greenbrier 54025
- Hampshire 54027
- Hardy 54031
- Harrison 54033
- Jackson 54035
- Jefferson 54037
- Kanawha 54039
- Lewis 54041
- Logan 54045
- Marion 54049
- Marshall 54051
- McDowell 54047
- Mineral 54057
- Monongalia 54061
- Monroe 54063
- Morgan 54065
- Nicholas 54067
- Ohio 54069
- Pendleton 54071
- Randolph 54083
- Ritchie 54085
- Roane 54087
- Summers 54089
- Taylor 54091
- Upshur 54097
- Wayne 54099
- Wetzel 54103
- Wirt 54105
- Wood 54107
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/TRFLF ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5708244 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z