Index / Search / Calamagrostis stricta ssp. inexpansa
§1 Plant
Calamagrostis stricta (Timm) Koeler ssp. inexpansa (A. Gray) C.W. Greene
vernacular northern reedgrass — subspecies · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Calamagrostis
§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
· 318 counties across 26 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- Medium
- Moisture use
- High
- Fire
- Medium
- Salinity
- Medium
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 26–60 in/yr
- pH range
- 5.5–8
- Root depth
- 7 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 3 ft
- Foliage texture
- Medium
- Foliage colour
- Dark Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 5,300,000
- 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 318 counties across 26 states/territories.
Alaska view state ↗ 19 N ▾
- Aleutians East 02013
- Aleutians West 02016
- Anchorage 02020
- Chugach 02063
- Copper River 02066
- Denali 02068
- Dillingham 02070
- Fairbanks North Star 02090
- Haines 02100
- Kenai Peninsula 02122
- Kodiak Island 02150
- Lake and Peninsula 02164
- Matanuska-Susitna 02170
- Nome 02180
- North Slope 02185
- Northwest Arctic 02188
- Southeast Fairbanks 02240
- Yakutat 02282
- Yukon-Koyukuk 02290
Arizona view state ↗ 2 N ▾
California view state ↗ 14 N ▾
Colorado view state ↗ 3 N ▾
Idaho view state ↗ 9 N ▾
Illinois view state ↗ 9 N ▾
Indiana view state ↗ 16 N ▾
Iowa view state ↗ 11 N ▾
Kansas view state ↗ 4 N ▾
Maine view state ↗ 2 N ▾
Massachusetts view state ↗ 2 N ▾
Michigan view state ↗ 28 N ▾
- Alger 26003
- Alpena 26007
- Antrim 26009
- Benzie 26019
- Berrien 26021
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Delta 26041
- Emmet 26047
- Genesee 26049
- Grand Traverse 26055
- Houghton 26061
- Iosco 26069
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Leelanau 26089
- Luce 26095
- Mackinac 26097
- Marquette 26103
- Mason 26105
- Menominee 26109
- Presque Isle 26141
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Van Buren 26159
Minnesota view state ↗ 15 N ▾
Missouri view state ↗ 4 N ▾
Montana view state ↗ 5 N ▾
Nebraska view state ↗ 30 N ▾
- Arthur 31005
- Box Butte 31013
- Brown 31017
- Buffalo 31019
- Butler 31023
- Cherry 31031
- Cheyenne 31033
- Dawes 31045
- Dawson 31047
- Dodge 31053
- Garden 31069
- Greeley 31077
- Hamilton 31081
- Hitchcock 31087
- Holt 31089
- Hooker 31091
- Kearney 31099
- Keith 31101
- Merrick 31121
- Nemaha 31127
- Phelps 31137
- Richardson 31147
- Rock 31149
- Saunders 31155
- Sheridan 31161
- Sherman 31163
- Sioux 31165
- Thomas 31171
- Valley 31175
- Webster 31181
New Mexico view state ↗ 7 N ▾
New York view state ↗ 16 N ▾
North Dakota view state ↗ 39 N ▾
- Adams 38001
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Burke 38013
- Burleigh 38015
- Cass 38017
- 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
- McLean 38055
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Nelson 38063
- Pembina 38067
- Ramsey 38071
- Ransom 38073
- Richland 38077
- Rolette 38079
- Sargent 38081
- Sheridan 38083
- Slope 38087
- Stark 38089
- Steele 38091
- Stutsman 38093
- Traill 38097
- Ward 38101
- Williams 38105
Oregon view state ↗ 16 N ▾
South Dakota view state ↗ 12 N ▾
Vermont view state ↗ 4 N ▾
Washington view state ↗ 13 N ▾
Wisconsin view state ↗ 19 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CASTI3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/4108416 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z