Index / Search / Ptilimnium capillaceum
§1 Plant
Ptilimnium capillaceum (Michx.) Raf.
vernacular herbwilliam — species · Apiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Dicot
- Family
- Apiaceae Lindl.
- Genus
- Ptilimnium
§2a
Native status, by region
- L48 Lower 48 States Native
- PR Puerto Rico Native
§2b
County-level range
· 507 counties across 22 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 507 counties across 22 states/territories.
Alabama view state ↗ 33 N ▾
- Baldwin 01003
- Barbour 01005
- Blount 01009
- Bullock 01011
- Calhoun 01015
- Chambers 01017
- Choctaw 01023
- Clay 01027
- Coffee 01031
- Colbert 01033
- Cullman 01043
- Dallas 01047
- Elmore 01051
- Escambia 01053
- Geneva 01061
- Henry 01067
- Jackson 01071
- Jefferson 01073
- Lee 01081
- Limestone 01083
- Lowndes 01085
- Macon 01087
- Madison 01089
- Marengo 01091
- Mobile 01097
- Montgomery 01101
- Perry 01105
- Pickens 01107
- Shelby 01117
- Sumter 01119
- Tallapoosa 01123
- Tuscaloosa 01125
- Wilcox 01131
Arkansas view state ↗ 21 N ▾
Delaware view state ↗ 2 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 61 N ▾
- Alachua 12001
- Baker 12003
- Bradford 12007
- Brevard 12009
- Broward 12011
- Calhoun 12013
- Charlotte 12015
- Citrus 12017
- Clay 12019
- Collier 12021
- Columbia 12023
- DeSoto 12027
- Dixie 12029
- Duval 12031
- Escambia 12033
- Flagler 12035
- Franklin 12037
- Gadsden 12039
- Glades 12043
- Hamilton 12047
- Hardee 12049
- Hendry 12051
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Jefferson 12065
- Lafayette 12067
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Manatee 12081
- Marion 12083
- Martin 12085
- Miami-Dade 12086
- Nassau 12089
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Osceola 12097
- Palm Beach 12099
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Sarasota 12115
- Seminole 12117
- St. Johns 12109
- St. Lucie 12111
- Sumter 12119
- Suwannee 12121
- Taylor 12123
- Union 12125
- Volusia 12127
- Wakulla 12129
- Walton 12131
Georgia view state ↗ 37 N ▾
- Baker 13007
- Brooks 13027
- Chatham 13051
- Clarke 13059
- Colquitt 13071
- Columbia 13073
- Decatur 13087
- Dougherty 13095
- Echols 13101
- Effingham 13103
- Elbert 13105
- Floyd 13115
- Glynn 13127
- Grady 13131
- Greene 13133
- Hall 13139
- Hancock 13141
- Henry 13151
- Irwin 13155
- Jackson 13157
- Jasper 13159
- Jefferson 13163
- Lee 13177
- Madison 13195
- McDuffie 13189
- McIntosh 13191
- Meriwether 13199
- Morgan 13211
- Oconee 13219
- Pike 13231
- Rabun 13241
- Tift 13277
- Upson 13293
- Wayne 13305
- Whitfield 13313
- Wilkes 13317
- Worth 13321
Indiana view state ↗ 1 N ▾
Kansas view state ↗ 1 N ▾
Kentucky view state ↗ 8 N ▾
Louisiana view state ↗ 62 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
- 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
- Terrebonne 22109
- Union 22111
- Vermilion 22113
- Vernon 22115
- Washington 22117
- Webster 22119
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Massachusetts view state ↗ 5 N ▾
Mississippi view state ↗ 55 N ▾
- Alcorn 28003
- Amite 28005
- Attala 28007
- Benton 28009
- Calhoun 28013
- Choctaw 28019
- Clarke 28023
- Clay 28025
- Covington 28031
- DeSoto 28033
- Forrest 28035
- Grenada 28043
- Hancock 28045
- Harrison 28047
- Hinds 28049
- Holmes 28051
- Humphreys 28053
- Itawamba 28057
- Jackson 28059
- Jefferson 28063
- Jefferson Davis 28065
- Kemper 28069
- Lafayette 28071
- Lamar 28073
- Lauderdale 28075
- Lawrence 28077
- Lee 28081
- Madison 28089
- Marshall 28093
- Montgomery 28097
- Neshoba 28099
- Newton 28101
- Noxubee 28103
- Panola 28107
- Pearl River 28109
- Pike 28113
- Pontotoc 28115
- Quitman 28119
- Rankin 28121
- Scott 28123
- Sharkey 28125
- Simpson 28127
- Smith 28129
- Tallahatchie 28135
- Tate 28137
- Tishomingo 28141
- Tunica 28143
- Union 28145
- Washington 28151
- Wayne 28153
- Webster 28155
- Wilkinson 28157
- Winston 28159
- Yalobusha 28161
- Yazoo 28163
Missouri view state ↗ 1 N ▾
New Jersey view state ↗ 15 N ▾
New York view state ↗ 8 N ▾
North Carolina view state ↗ 65 N ▾
- Alamance 37001
- Anson 37007
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Cabarrus 37025
- Camden 37029
- Carteret 37031
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Currituck 37053
- Dare 37055
- Davie 37059
- Duplin 37061
- Durham 37063
- Edgecombe 37065
- Franklin 37069
- Gaston 37071
- Gates 37073
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Hertford 37091
- Hyde 37095
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Martin 37117
- Mecklenburg 37119
- Montgomery 37123
- Moore 37125
- Nash 37127
- New Hanover 37129
- Northampton 37131
- Onslow 37133
- Orange 37135
- Pamlico 37137
- Pasquotank 37139
- Pender 37141
- Perquimans 37143
- Pitt 37147
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rowan 37159
- Sampson 37163
- Scotland 37165
- Stanly 37167
- Tyrrell 37177
- Vance 37181
- Wake 37183
- Warren 37185
- Washington 37187
- Wayne 37191
- Wilson 37195
Pennsylvania view state ↗ 2 N ▾
Rhode Island view state ↗ 4 N ▾
South Carolina view state ↗ 38 N ▾
- Abbeville 45001
- Aiken 45003
- Allendale 45005
- Anderson 45007
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Calhoun 45017
- Charleston 45019
- Cherokee 45021
- Chester 45023
- Chesterfield 45025
- Clarendon 45027
- Colleton 45029
- Darlington 45031
- Dillon 45033
- Dorchester 45035
- Edgefield 45037
- Fairfield 45039
- Florence 45041
- Georgetown 45043
- Greenwood 45047
- Hampton 45049
- Horry 45051
- Jasper 45053
- Lancaster 45057
- Lee 45061
- Lexington 45063
- Marion 45067
- Marlboro 45069
- McCormick 45065
- Newberry 45071
- Orangeburg 45075
- Richland 45079
- Saluda 45081
- Spartanburg 45083
- Sumter 45085
- Williamsburg 45089
Tennessee view state ↗ 23 N ▾
- Benton 47005
- Carroll 47017
- Chester 47023
- Coffee 47031
- Fayette 47047
- Gibson 47053
- Giles 47055
- Grundy 47061
- Hardeman 47069
- Hardin 47071
- Haywood 47075
- Henry 47079
- Humphreys 47085
- Lake 47095
- Lauderdale 47097
- Madison 47113
- Marion 47115
- Marshall 47117
- Maury 47119
- McNairy 47109
- Shelby 47157
- Stewart 47161
- Tipton 47167
Texas view state ↗ 32 N ▾
- Anderson 48001
- Angelina 48005
- Austin 48015
- Bastrop 48021
- Bell 48027
- Brazoria 48039
- Brazos 48041
- Burleson 48051
- Cameron 48061
- Cass 48067
- Chambers 48071
- Falls 48145
- Freestone 48161
- Gonzales 48177
- Grayson 48181
- Grimes 48185
- Hardin 48199
- Henderson 48213
- Jasper 48241
- Lamar 48277
- Leon 48289
- Liberty 48291
- Marion 48315
- McLennan 48309
- Newton 48351
- Robertson 48395
- Sabine 48403
- Tarrant 48439
- Travis 48453
- Tyler 48457
- Walker 48471
- Washington 48477
Virginia view state ↗ 32 N ▾
- Accomack 51001
- Arlington 51013
- Brunswick 51025
- Chesapeake (city) 51550
- Chesterfield 51041
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Gloucester 51073
- Greensville 51081
- Halifax 51083
- Hampton (city) 51650
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- Mathews 51115
- Mecklenburg 51117
- Middlesex 51119
- New Kent 51127
- Newport News (city) 51700
- Northampton 51131
- Northumberland 51133
- Prince George 51149
- Richmond 51159
- Southampton 51175
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Virginia Beach (city) 51810
- Warren 51187
- Westmoreland 51193
- York 51199
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PTCA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8184378 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z