Index / Search / Juncus arcticus ssp. littoralis
§1 Plant
Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén
vernacular mountain rush — subspecies · Juncaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Juncaceae Juss.
- Genus
- Juncus
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- GL Greenland Native
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
§2b
County-level range
· 370 counties across 27 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- Medium
- Moisture use
- High
- Fire
- High
- Salinity
- High
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -43 °F minimum
- Frost-free days
- 90 min.
- pH range
- 6–9
- Root depth
- 20 in min.
- Fertility need
- Low
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Rapid
- Lifespan
- Long
- Mature height
- 4 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Brown
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 3,000,000
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Medium
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 370 counties across 27 states/territories.
Alaska view state ↗ 16 N ▾
Arizona view state ↗ 8 N ▾
Arkansas view state ↗ 3 N ▾
Illinois view state ↗ 8 N ▾
Indiana view state ↗ 5 N ▾
Kansas view state ↗ 11 N ▾
Maine view state ↗ 10 N ▾
Maryland view state ↗ 1 N ▾
Massachusetts view state ↗ 10 N ▾
Michigan view state ↗ 45 N ▾
- Alcona 26001
- Alger 26003
- Allegan 26005
- Alpena 26007
- Arenac 26011
- Baraga 26013
- Bay 26017
- Benzie 26019
- Berrien 26021
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Crawford 26039
- Delta 26041
- Emmet 26047
- Grand Traverse 26055
- Houghton 26061
- Huron 26063
- Ionia 26067
- Iosco 26069
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Lapeer 26087
- Leelanau 26089
- Livingston 26093
- Mackinac 26097
- Manistee 26101
- Marquette 26103
- Mason 26105
- Menominee 26109
- Missaukee 26113
- Muskegon 26121
- Oakland 26125
- Oceana 26127
- Ottawa 26139
- Presque Isle 26141
- Roscommon 26143
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
- Wexford 26165
Minnesota view state ↗ 21 N ▾
- Anoka 27003
- Becker 27005
- Big Stone 27011
- Cass 27021
- Clay 27027
- Clearwater 27029
- Douglas 27041
- Hubbard 27057
- Kandiyohi 27067
- Kittson 27069
- Mahnomen 27087
- Martin 27091
- Mille Lacs 27095
- Morrison 27097
- Norman 27107
- Otter Tail 27111
- Pipestone 27117
- Polk 27119
- Pope 27121
- Roseau 27135
- Yellow Medicine 27173
Missouri view state ↗ 2 N ▾
Montana view state ↗ 30 N ▾
- Beaverhead 30001
- Blaine 30005
- Broadwater 30007
- Carbon 30009
- Carter 30011
- Cascade 30013
- Daniels 30019
- Dawson 30021
- Fallon 30025
- Fergus 30027
- Gallatin 30031
- Golden Valley 30037
- Granite 30039
- Jefferson 30043
- Madison 30057
- McCone 30055
- Musselshell 30065
- Park 30067
- Petroleum 30069
- Phillips 30071
- Powell 30077
- Ravalli 30081
- Richland 30083
- Sheridan 30091
- Silver Bow 30093
- Sweet Grass 30097
- Teton 30099
- Valley 30105
- Wibaux 30109
- Yellowstone 30111
Nebraska view state ↗ 41 N ▾
- Antelope 31003
- Arthur 31005
- Banner 31007
- Blaine 31009
- Box Butte 31013
- Brown 31017
- Buffalo 31019
- Chase 31029
- Cherry 31031
- Cheyenne 31033
- Cuming 31039
- Dawes 31045
- Deuel 31049
- Dodge 31053
- Dundy 31057
- Garden 31069
- Garfield 31071
- Grant 31075
- Hall 31079
- Hitchcock 31087
- Holt 31089
- Hooker 31091
- Howard 31093
- Kearney 31099
- Keith 31101
- Kimball 31105
- Knox 31107
- Lancaster 31109
- Lincoln 31111
- Loup 31115
- McPherson 31117
- Merrick 31121
- Morrill 31123
- Phelps 31137
- Rock 31149
- Scotts Bluff 31157
- Sheridan 31161
- Sherman 31163
- Sioux 31165
- Thomas 31171
- Wheeler 31183
New Hampshire view state ↗ 2 N ▾
New Mexico view state ↗ 16 N ▾
New York view state ↗ 17 N ▾
North Dakota view state ↗ 46 N ▾
- Adams 38001
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Bowman 38011
- Burke 38013
- Burleigh 38015
- Cass 38017
- Cavalier 38019
- Dickey 38021
- Divide 38023
- Dunn 38025
- Eddy 38027
- Emmons 38029
- Golden Valley 38033
- Grant 38037
- Griggs 38039
- Kidder 38043
- LaMoure 38045
- Logan 38047
- McHenry 38049
- McIntosh 38051
- McLean 38055
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Oliver 38065
- Pembina 38067
- Pierce 38069
- Ramsey 38071
- Ransom 38073
- Richland 38077
- Rolette 38079
- Sargent 38081
- Sheridan 38083
- Sioux 38085
- Slope 38087
- Stark 38089
- Steele 38091
- Stutsman 38093
- Towner 38095
- Walsh 38099
- Ward 38101
- Wells 38103
- Williams 38105
Ohio view state ↗ 9 N ▾
Oklahoma view state ↗ 1 N ▾
Pennsylvania view state ↗ 7 N ▾
South Dakota view state ↗ 16 N ▾
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 3 N ▾
West Virginia view state ↗ 1 N ▾
Wisconsin view state ↗ 36 N ▾
- Adams 55001
- Ashland 55003
- Barron 55005
- Bayfield 55007
- Brown 55009
- Burnett 55013
- Dane 55025
- Dodge 55027
- Door 55029
- Douglas 55031
- Forest 55041
- Jefferson 55055
- Kenosha 55059
- Lafayette 55065
- Manitowoc 55071
- Marinette 55075
- Marquette 55077
- Menominee 55078
- Milwaukee 55079
- Oconto 55083
- Outagamie 55087
- Ozaukee 55089
- Pierce 55093
- Polk 55095
- Portage 55097
- Price 55099
- Racine 55101
- Rock 55105
- Sawyer 55113
- Sheboygan 55117
- St. Croix 55109
- Vilas 55125
- Walworth 55127
- Washburn 55129
- Waupaca 55135
- Waushara 55137
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUARL ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/4203694 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T09:28:40Z