Index / Search / Carex filifolia
§1 Plant
Carex filifolia Nutt.
vernacular threadleaf sedge — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Carex
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 233 counties across 16 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Low
- Fire
- High
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 8–24 in/yr
- pH range
- 5.2–7.5
- Root depth
- 12 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 1.2 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Low
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Propagation
- seed, bare root, sprigs
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 233 counties across 16 states/territories.
Alaska view state ↗ 6 N ▾
Arizona view state ↗ 2 N ▾
California view state ↗ 16 N ▾
Colorado view state ↗ 14 N ▾
Idaho view state ↗ 17 N ▾
Minnesota view state ↗ 12 N ▾
Montana view state ↗ 42 N ▾
- Beaverhead 30001
- Big Horn 30003
- Blaine 30005
- Broadwater 30007
- Carbon 30009
- Carter 30011
- Cascade 30013
- Chouteau 30015
- Custer 30017
- Daniels 30019
- Dawson 30021
- Fallon 30025
- Fergus 30027
- Gallatin 30031
- Garfield 30033
- Glacier 30035
- Golden Valley 30037
- Jefferson 30043
- Lincoln 30053
- McCone 30055
- Meagher 30059
- Missoula 30063
- Musselshell 30065
- Park 30067
- Petroleum 30069
- Phillips 30071
- Pondera 30073
- Powder River 30075
- Powell 30077
- Prairie 30079
- Richland 30083
- Roosevelt 30085
- Rosebud 30087
- Sheridan 30091
- Silver Bow 30093
- Stillwater 30095
- Sweet Grass 30097
- Teton 30099
- Treasure 30103
- Valley 30105
- Wheatland 30107
- Wibaux 30109
Nebraska view state ↗ 13 N ▾
Nevada view state ↗ 2 N ▾
New Mexico view state ↗ 8 N ▾
North Dakota view state ↗ 36 N ▾
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Bowman 38011
- Burke 38013
- Cavalier 38019
- Divide 38023
- Dunn 38025
- Eddy 38027
- Emmons 38029
- Golden Valley 38033
- Grand Forks 38035
- Grant 38037
- Griggs 38039
- Kidder 38043
- LaMoure 38045
- McHenry 38049
- McIntosh 38051
- McKenzie 38053
- McLean 38055
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Oliver 38065
- Pierce 38069
- Renville 38075
- Richland 38077
- Sheridan 38083
- Slope 38087
- Stark 38089
- Steele 38091
- Stutsman 38093
- Ward 38101
- Wells 38103
- Williams 38105
Oregon view state ↗ 13 N ▾
South Dakota view state ↗ 20 N ▾
Washington view state ↗ 8 N ▾
Wyoming view state ↗ 20 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CAFI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2728129 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z