Index / Search / Equisetum hyemale var. affine
§1 Plant
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton
vernacular scouringrush horsetail — variety · Equisetaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Horsetail
- Family
- Equisetaceae Michx. ex DC.
- Genus
- Equisetum
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- GL Greenland Native
- L48 Lower 48 States Native
§2b
County-level range
· 852 counties across 30 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 852 counties across 30 states/territories.
Alabama view state ↗ 29 N ▾
- Baldwin 01003
- Bibb 01007
- Blount 01009
- Butler 01013
- Cleburne 01029
- Colbert 01033
- Conecuh 01035
- Covington 01039
- Escambia 01053
- Fayette 01057
- Franklin 01059
- Geneva 01061
- Greene 01063
- Houston 01069
- Jackson 01071
- Jefferson 01073
- Lauderdale 01077
- Lawrence 01079
- Limestone 01083
- Lowndes 01085
- Marengo 01091
- Monroe 01099
- Morgan 01103
- Russell 01113
- Shelby 01117
- Sumter 01119
- Tuscaloosa 01125
- Wilcox 01131
- Winston 01133
Arizona view state ↗ 9 N ▾
Arkansas view state ↗ 38 N ▾
- Baxter 05005
- Benton 05007
- Carroll 05015
- Chicot 05017
- Clark 05019
- Clay 05021
- Craighead 05031
- Crittenden 05035
- Cross 05037
- Desha 05041
- Drew 05043
- Faulkner 05045
- Fulton 05049
- Garland 05051
- Greene 05055
- Hempstead 05057
- Izard 05065
- Jefferson 05069
- Lafayette 05073
- Lawrence 05075
- Lee 05077
- Marion 05089
- Mississippi 05093
- Montgomery 05097
- Newton 05101
- Perry 05105
- Phillips 05107
- Poinsett 05111
- Polk 05113
- Pope 05115
- Pulaski 05119
- Randolph 05121
- Searcy 05129
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Union 05139
- Washington 05143
Delaware view state ↗ 2 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 18 N ▾
Georgia view state ↗ 13 N ▾
Illinois view state ↗ 102 N ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Boone 17007
- Brown 17009
- Bureau 17011
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- DeKalb 17037
- 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
- Jo Daviess 17085
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- 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
- McHenry 17111
- 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
- Stark 17175
- Stephenson 17177
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Wayne 17191
- White 17193
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 57 N ▾
- Allen 18003
- Bartholomew 18005
- Benton 18007
- Boone 18011
- Carroll 18015
- Cass 18017
- Clark 18019
- Clinton 18023
- Crawford 18025
- Decatur 18031
- DeKalb 18033
- Elkhart 18039
- Fulton 18049
- Gibson 18051
- Grant 18053
- Greene 18055
- Harrison 18061
- Henry 18065
- Howard 18067
- Huntington 18069
- Jefferson 18077
- Jennings 18079
- Knox 18083
- Kosciusko 18085
- Lagrange 18087
- Lake 18089
- LaPorte 18091
- Lawrence 18093
- Madison 18095
- Marion 18097
- Miami 18103
- Montgomery 18107
- Morgan 18109
- Newton 18111
- Noble 18113
- Orange 18117
- Owen 18119
- Parke 18121
- Perry 18123
- Pike 18125
- Porter 18127
- Posey 18129
- Pulaski 18131
- Putnam 18133
- Rush 18139
- Spencer 18147
- St. Joseph 18141
- Sullivan 18153
- Tippecanoe 18157
- Tipton 18159
- Union 18161
- Vermillion 18165
- Wabash 18169
- Washington 18175
- Wayne 18177
- Wells 18179
- White 18181
Iowa view state ↗ 53 N ▾
- Adams 19003
- Allamakee 19005
- Appanoose 19007
- Benton 19011
- Boone 19015
- Calhoun 19025
- Carroll 19027
- Cedar 19031
- Clayton 19043
- Clinton 19045
- Crawford 19047
- Decatur 19053
- Dickinson 19059
- Emmet 19063
- Fayette 19065
- Fremont 19071
- Greene 19073
- Guthrie 19077
- Hamilton 19079
- Hancock 19081
- Harrison 19085
- Henry 19087
- Iowa 19095
- Jackson 19097
- Jasper 19099
- Johnson 19103
- Jones 19105
- Kossuth 19109
- Lee 19111
- Linn 19113
- Louisa 19115
- Mahaska 19123
- Marion 19125
- Marshall 19127
- Monona 19133
- Muscatine 19139
- Page 19145
- Plymouth 19149
- Polk 19153
- Pottawattamie 19155
- Poweshiek 19157
- Scott 19163
- Shelby 19165
- Story 19169
- Union 19175
- Van Buren 19177
- Warren 19181
- Washington 19183
- Wayne 19185
- Webster 19187
- Winnebago 19189
- Winneshiek 19191
- Woodbury 19193
Kansas view state ↗ 28 N ▾
- Allen 20001
- Atchison 20005
- Barton 20009
- Brown 20013
- Cherokee 20021
- Doniphan 20043
- Douglas 20045
- Ellis 20051
- Ellsworth 20053
- Franklin 20059
- Greenwood 20073
- Jackson 20085
- Jefferson 20087
- Johnson 20091
- Leavenworth 20103
- Linn 20107
- Marion 20115
- Marshall 20117
- Montgomery 20125
- Osage 20139
- Pottawatomie 20149
- Republic 20157
- Riley 20161
- Sumner 20191
- Washington 20201
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 48 N ▾
- Bath 21011
- Boone 21015
- Bracken 21023
- Breathitt 21025
- Bullitt 21029
- Campbell 21037
- Carlisle 21039
- Carter 21043
- Christian 21047
- Clark 21049
- Clinton 21053
- Elliott 21063
- Fulton 21075
- Greenup 21089
- Hardin 21093
- Harrison 21097
- Henderson 21101
- Hickman 21105
- Hopkins 21107
- Jackson 21109
- Jefferson 21111
- Jessamine 21113
- Johnson 21115
- Kenton 21117
- Larue 21123
- Lee 21129
- Madison 21151
- Magoffin 21153
- Martin 21159
- McLean 21149
- Meade 21163
- Menifee 21165
- Montgomery 21173
- Morgan 21175
- Nelson 21179
- Oldham 21185
- Perry 21193
- Pike 21195
- Powell 21197
- Pulaski 21199
- Robertson 21201
- Rowan 21205
- Trigg 21221
- Union 21225
- Warren 21227
- Wayne 21231
- Wolfe 21237
- Woodford 21239
Louisiana view state ↗ 48 N ▾
- Ascension 22005
- Assumption 22007
- Avoyelles 22009
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Concordia 22029
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberia 22045
- Iberville 22047
- Jefferson 22051
- 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
- Richland 22083
- Sabine 22085
- St. Bernard 22087
- St. Charles 22089
- St. James 22093
- St. John the Baptist 22095
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Maine view state ↗ 14 N ▾
Massachusetts view state ↗ 12 N ▾
Michigan view state ↗ 1 N ▾
Minnesota view state ↗ 60 N ▾
- Aitkin 27001
- Anoka 27003
- Becker 27005
- Beltrami 27007
- Benton 27009
- Big Stone 27011
- Blue Earth 27013
- Carlton 27017
- Carver 27019
- Cass 27021
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Cook 27031
- Crow Wing 27035
- Dakota 27037
- Douglas 27041
- Fillmore 27045
- Freeborn 27047
- Goodhue 27049
- Hennepin 27053
- Houston 27055
- Hubbard 27057
- Isanti 27059
- Itasca 27061
- Kanabec 27065
- Kandiyohi 27067
- Kittson 27069
- Koochiching 27071
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Le Sueur 27079
- Lyon 27083
- Mahnomen 27087
- Marshall 27089
- Martin 27091
- Mille Lacs 27095
- Morrison 27097
- Norman 27107
- Otter Tail 27111
- Pine 27115
- Polk 27119
- Pope 27121
- Red Lake 27125
- Redwood 27127
- Rice 27131
- Scott 27139
- Sherburne 27141
- St. Louis 27137
- Stearns 27145
- Steele 27147
- Traverse 27155
- Wabasha 27157
- Wadena 27159
- Washington 27163
- Wilkin 27167
- Winona 27169
- Wright 27171
- Yellow Medicine 27173
Mississippi view state ↗ 19 N ▾
New Hampshire view state ↗ 9 N ▾
New Jersey view state ↗ 18 N ▾
New York view state ↗ 38 N ▾
- Albany 36001
- Cattaraugus 36009
- Cayuga 36011
- Chemung 36015
- Chenango 36017
- Columbia 36021
- Dutchess 36027
- Erie 36029
- Fulton 36035
- Greene 36039
- Herkimer 36043
- Jefferson 36045
- Kings 36047
- Madison 36053
- Monroe 36055
- Niagara 36063
- Oneida 36065
- Ontario 36069
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schoharie 36095
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Sullivan 36105
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
North Carolina view state ↗ 31 N ▾
- Alamance 37001
- Ashe 37009
- Bertie 37015
- Buncombe 37021
- Caldwell 37027
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Davidson 37057
- Durham 37063
- Greene 37079
- Guilford 37081
- Halifax 37083
- Haywood 37087
- Hertford 37091
- Jackson 37099
- Madison 37115
- McDowell 37111
- Mecklenburg 37119
- Mitchell 37121
- Orange 37135
- Pamlico 37137
- Person 37145
- Polk 37149
- Rockingham 37157
- Rutherford 37161
- Stanly 37167
- Stokes 37169
- Vance 37181
- Yancey 37199
Pennsylvania view state ↗ 37 N ▾
- Allegheny 42003
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Centre 42027
- Chester 42029
- Columbia 42037
- Crawford 42039
- Cumberland 42041
- Delaware 42045
- Erie 42049
- Huntingdon 42061
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Mercer 42085
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Snyder 42109
- Sullivan 42113
- Susquehanna 42115
- Venango 42121
- Warren 42123
- Washington 42125
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 4 N ▾
South Carolina view state ↗ 5 N ▾
Tennessee view state ↗ 39 N ▾
- Blount 47009
- Bradley 47011
- Campbell 47013
- Carter 47019
- Cheatham 47021
- Claiborne 47025
- Cocke 47029
- Cumberland 47035
- Davidson 47037
- Dyer 47045
- Grainger 47057
- Greene 47059
- Hawkins 47073
- Haywood 47075
- Hickman 47081
- Houston 47083
- Johnson 47091
- Knox 47093
- Lake 47095
- Lauderdale 47097
- Lewis 47101
- Madison 47113
- Meigs 47121
- Montgomery 47125
- Morgan 47129
- Obion 47131
- Polk 47139
- Putnam 47141
- Rhea 47143
- Roane 47145
- Robertson 47147
- Sequatchie 47153
- Shelby 47157
- Stewart 47161
- Sullivan 47163
- Tipton 47167
- Unicoi 47171
- Washington 47179
- White 47185
Vermont view state ↗ 11 N ▾
Virginia view state ↗ 72 N ▾
- Albemarle 51003
- Alleghany 51005
- Amelia 51007
- Amherst 51009
- Appomattox 51011
- Augusta 51015
- Bath 51017
- Bedford 51019
- Bland 51021
- Botetourt 51023
- Buchanan 51027
- Buckingham 51029
- Campbell 51031
- Caroline 51033
- Carroll 51035
- Charlotte 51037
- Chesterfield 51041
- Craig 51045
- Culpeper 51047
- Cumberland 51049
- Dickenson 51051
- Dinwiddie 51053
- Fairfax 51059
- Floyd 51063
- Fluvanna 51065
- Frederick 51069
- Giles 51071
- Gloucester 51073
- Greene 51079
- Greensville 51081
- Halifax 51083
- Hanover 51085
- Henry 51089
- Highland 51091
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- King William 51101
- Lee 51105
- Loudoun 51107
- Lunenburg 51111
- Mecklenburg 51117
- Middlesex 51119
- Montgomery 51121
- Nelson 51125
- New Kent 51127
- Newport News (city) 51700
- Nottoway 51135
- Patrick 51141
- Pittsylvania 51143
- Powhatan 51145
- Prince Edward 51147
- Prince William 51153
- Pulaski 51155
- Roanoke 51161
- Rockbridge 51163
- Rockingham 51165
- Russell 51167
- Scott 51169
- Shenandoah 51171
- Smyth 51173
- Southampton 51175
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Tazewell 51185
- Washington 51191
- Westmoreland 51193
- Wise 51195
- Wythe 51197
- York 51199
West Virginia view state ↗ 31 N ▾
- Berkeley 54003
- Brooke 54009
- Cabell 54011
- Calhoun 54013
- Doddridge 54017
- Fayette 54019
- Grant 54023
- Greenbrier 54025
- Hancock 54029
- Hardy 54031
- Harrison 54033
- Jefferson 54037
- Kanawha 54039
- Lewis 54041
- Lincoln 54043
- Marion 54049
- Mason 54053
- McDowell 54047
- Mercer 54055
- Mineral 54057
- Morgan 54065
- Ohio 54069
- Pendleton 54071
- Pocahontas 54075
- Putnam 54079
- Randolph 54083
- Summers 54089
- Webster 54101
- Wirt 54105
- Wood 54107
- Wyoming 54109
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/EQHYA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8197409 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z