§1 Plant
Sium suave Walter
vernacular hemlock waterparsnip — species · Apiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Apiaceae Lindl.
- Genus
- Sium
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 784 counties across 40 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 784 counties across 40 states/territories.
Alabama view state ↗ 3 N ▾
Alaska view state ↗ 2 N ▾
Arizona view state ↗ 1 N ▾
Arkansas view state ↗ 2 N ▾
Colorado view state ↗ 9 N ▾
Delaware view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 11 N ▾
Georgia view state ↗ 7 N ▾
Illinois view state ↗ 69 N ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Boone 17007
- Brown 17009
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clay 17025
- Coles 17029
- Cook 17031
- Crawford 17033
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Fayette 17051
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Henderson 17071
- Henry 17073
- Jackson 17077
- Jersey 17083
- Jo Daviess 17085
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- Lawrence 17101
- Lee 17103
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McHenry 17111
- Monroe 17133
- Morgan 17137
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Richland 17159
- Rock Island 17161
- Schuyler 17169
- Scott 17171
- St. Clair 17163
- Stephenson 17177
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- White 17193
- Will 17197
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 42 N ▾
- Allen 18003
- Blackford 18009
- Carroll 18015
- Cass 18017
- Crawford 18025
- Daviess 18027
- Fountain 18045
- Fulton 18049
- Greene 18055
- Hamilton 18057
- Hancock 18059
- Henry 18065
- Howard 18067
- Huntington 18069
- Jackson 18071
- Jasper 18073
- Johnson 18081
- Knox 18083
- Kosciusko 18085
- Lagrange 18087
- Lake 18089
- LaPorte 18091
- Lawrence 18093
- Madison 18095
- Marion 18097
- Monroe 18105
- Montgomery 18107
- Newton 18111
- Noble 18113
- Parke 18121
- Porter 18127
- Posey 18129
- Starke 18149
- Sullivan 18153
- Tippecanoe 18157
- Union 18161
- Vigo 18167
- Wabash 18169
- Wayne 18177
- Wells 18179
- White 18181
- Whitley 18183
Iowa view state ↗ 27 N ▾
- Boone 19015
- Buena Vista 19021
- Carroll 19027
- Cerro Gordo 19033
- Clay 19041
- Crawford 19047
- Dickinson 19059
- Emmet 19063
- Guthrie 19077
- Hamilton 19079
- Hancock 19081
- Hardin 19083
- Humboldt 19091
- Jackson 19097
- Kossuth 19109
- Lyon 19119
- Madison 19121
- O'Brien 19141
- Osceola 19143
- Palo Alto 19147
- Pocahontas 19151
- Story 19169
- Warren 19181
- Washington 19183
- Webster 19187
- Winnebago 19189
- Wright 19197
Kentucky view state ↗ 12 N ▾
Louisiana view state ↗ 3 N ▾
Maine view state ↗ 15 N ▾
Massachusetts view state ↗ 14 N ▾
Michigan view state ↗ 56 N ▾
- Alger 26003
- Allegan 26005
- Alpena 26007
- Baraga 26013
- Bay 26017
- Benzie 26019
- Berrien 26021
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clare 26035
- Clinton 26037
- Crawford 26039
- Delta 26041
- Eaton 26045
- Emmet 26047
- Gogebic 26053
- Gratiot 26057
- Houghton 26061
- Huron 26063
- Ingham 26065
- Isabella 26073
- Jackson 26075
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Lapeer 26087
- Leelanau 26089
- Livingston 26093
- Luce 26095
- Mackinac 26097
- Macomb 26099
- Manistee 26101
- Marquette 26103
- Mason 26105
- Menominee 26109
- Missaukee 26113
- Monroe 26115
- Montcalm 26117
- Montmorency 26119
- Muskegon 26121
- Oakland 26125
- Ogemaw 26129
- Ontonagon 26131
- Ottawa 26139
- Presque Isle 26141
- Roscommon 26143
- Saginaw 26145
- Sanilac 26151
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Tuscola 26157
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
Minnesota view state ↗ 62 N ▾
- Aitkin 27001
- Beltrami 27007
- Benton 27009
- Big Stone 27011
- Blue Earth 27013
- Brown 27015
- Carver 27019
- Cass 27021
- Chippewa 27023
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Cook 27031
- Cottonwood 27033
- Crow Wing 27035
- Douglas 27041
- Faribault 27043
- Goodhue 27049
- Grant 27051
- Hennepin 27053
- Houston 27055
- Isanti 27059
- Itasca 27061
- Jackson 27063
- Kandiyohi 27067
- Kittson 27069
- Koochiching 27071
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Lyon 27083
- Mahnomen 27087
- Marshall 27089
- McLeod 27085
- Mille Lacs 27095
- Morrison 27097
- Mower 27099
- Murray 27101
- Nicollet 27103
- Nobles 27105
- Norman 27107
- Otter Tail 27111
- Pennington 27113
- Pine 27115
- Pipestone 27117
- Polk 27119
- Pope 27121
- Red Lake 27125
- Rice 27131
- Roseau 27135
- Scott 27139
- St. Louis 27137
- Stearns 27145
- Steele 27147
- Traverse 27155
- Wabasha 27157
- Waseca 27161
- Washington 27163
- Wilkin 27167
- Winona 27169
- Wright 27171
- Yellow Medicine 27173
Mississippi view state ↗ 1 N ▾
Missouri view state ↗ 35 N ▾
- Boone 29019
- Butler 29023
- Carter 29035
- Chariton 29041
- Clay 29047
- Clinton 29049
- Dunklin 29069
- Grundy 29079
- Howell 29091
- Jackson 29095
- Jasper 29097
- Lewis 29111
- Lincoln 29113
- Linn 29115
- Livingston 29117
- Madison 29123
- Mississippi 29133
- Monroe 29137
- New Madrid 29143
- Ozark 29153
- Pemiscot 29155
- Pike 29163
- Ralls 29173
- Randolph 29175
- Ripley 29181
- Saline 29195
- Scotland 29199
- Scott 29201
- Shannon 29203
- Shelby 29205
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Stoddard 29207
- Vernon 29217
Montana view state ↗ 11 N ▾
Nebraska view state ↗ 17 N ▾
New Hampshire view state ↗ 10 N ▾
New Jersey view state ↗ 20 N ▾
New Mexico view state ↗ 1 N ▾
New York view state ↗ 42 N ▾
- Albany 36001
- Cattaraugus 36009
- Chautauqua 36013
- Chemung 36015
- Chenango 36017
- Clinton 36019
- Columbia 36021
- Cortland 36023
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Franklin 36033
- Genesee 36037
- Hamilton 36041
- Herkimer 36043
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Madison 36053
- Nassau 36059
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
North Carolina view state ↗ 20 N ▾
North Dakota view state ↗ 42 N ▾
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Burke 38013
- Burleigh 38015
- Cass 38017
- Cavalier 38019
- Dickey 38021
- Divide 38023
- Eddy 38027
- Emmons 38029
- Foster 38031
- Grand Forks 38035
- Grant 38037
- Griggs 38039
- Kidder 38043
- LaMoure 38045
- Logan 38047
- McHenry 38049
- McIntosh 38051
- McLean 38055
- Mercer 38057
- Mountrail 38061
- Nelson 38063
- Oliver 38065
- Pembina 38067
- Pierce 38069
- Ransom 38073
- Renville 38075
- Richland 38077
- Rolette 38079
- Sargent 38081
- Sheridan 38083
- Stark 38089
- Steele 38091
- Stutsman 38093
- Towner 38095
- Traill 38097
- Walsh 38099
- Ward 38101
- Williams 38105
Ohio view state ↗ 53 N ▾
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Auglaize 39011
- Belmont 39013
- Carroll 39019
- Champaign 39021
- Clark 39023
- Columbiana 39029
- Coshocton 39031
- Crawford 39033
- Cuyahoga 39035
- Defiance 39039
- Delaware 39041
- Erie 39043
- Fairfield 39045
- Franklin 39049
- Fulton 39051
- Geauga 39055
- Greene 39057
- Guernsey 39059
- Harrison 39067
- Henry 39069
- Holmes 39075
- Huron 39077
- Knox 39083
- Lake 39085
- Licking 39089
- Logan 39091
- Lorain 39093
- Lucas 39095
- Mahoning 39099
- Medina 39103
- Mercer 39107
- Morrow 39117
- Noble 39121
- Ottawa 39123
- Paulding 39125
- Pickaway 39129
- Portage 39133
- Richland 39139
- Ross 39141
- Sandusky 39143
- Seneca 39147
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Washington 39167
- Wayne 39169
- Williams 39171
- Wood 39173
- Wyandot 39175
Pennsylvania view state ↗ 44 N ▾
- Beaver 42007
- Bedford 42009
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Cambria 42021
- Centre 42027
- Clearfield 42033
- Clinton 42035
- Columbia 42037
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Huntingdon 42061
- Indiana 42063
- Jefferson 42065
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Monroe 42089
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Northumberland 42097
- Philadelphia 42101
- Pike 42103
- Snyder 42109
- Tioga 42117
- Union 42119
- Venango 42121
- Warren 42123
- Wayne 42127
- Wyoming 42131
Rhode Island view state ↗ 4 N ▾
South Carolina view state ↗ 6 N ▾
South Dakota view state ↗ 8 N ▾
Tennessee view state ↗ 10 N ▾
Texas view state ↗ 1 N ▾
Vermont view state ↗ 12 N ▾
Virginia view state ↗ 43 N ▾
- Accomack 51001
- Amelia 51007
- Amherst 51009
- Augusta 51015
- Bath 51017
- Bland 51021
- Botetourt 51023
- Carroll 51035
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Fluvanna 51065
- Frederick 51069
- Giles 51071
- Greensville 51081
- Halifax 51083
- James City 51095
- King George 51099
- King William 51101
- Lancaster 51103
- Mecklenburg 51117
- Middlesex 51119
- New Kent 51127
- Northampton 51131
- Northumberland 51133
- Prince George 51149
- Prince William 51153
- Pulaski 51155
- Richmond 51159
- Rockbridge 51163
- Rockingham 51165
- Smyth 51173
- Southampton 51175
- Stafford 51179
- Suffolk (city) 51800
- Surry 51181
- Tazewell 51185
- Virginia Beach (city) 51810
- Westmoreland 51193
- Wythe 51197
West Virginia view state ↗ 9 N ▾
Wisconsin view state ↗ 53 N ▾
- Ashland 55003
- Bayfield 55007
- Brown 55009
- Buffalo 55011
- Burnett 55013
- Calumet 55015
- Chippewa 55017
- Columbia 55021
- Crawford 55023
- Dane 55025
- Dodge 55027
- Door 55029
- Douglas 55031
- Florence 55037
- Fond du Lac 55039
- Forest 55041
- Grant 55043
- Green 55045
- Iowa 55049
- Iron 55051
- Jackson 55053
- Jefferson 55055
- Kenosha 55059
- La Crosse 55063
- Lincoln 55069
- Manitowoc 55071
- Marinette 55075
- Marquette 55077
- Menominee 55078
- Milwaukee 55079
- Oconto 55083
- Oneida 55085
- Outagamie 55087
- Polk 55095
- Price 55099
- Racine 55101
- Richland 55103
- Rock 55105
- Rusk 55107
- Sauk 55111
- Sawyer 55113
- Shawano 55115
- Sheboygan 55117
- St. Croix 55109
- Trempealeau 55121
- Vernon 55123
- Vilas 55125
- Walworth 55127
- Washburn 55129
- Washington 55131
- Waukesha 55133
- Winnebago 55139
- Wood 55141
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SISU2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3034526 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z