Index / Search / Carex athrostachya
§1 Plant
Carex athrostachya Olney
vernacular slenderbeak 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
· 161 counties across 13 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Fire
- High
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 85 min.
- Precipitation
- 14–40 in/yr
- pH range
- 5.8–7.2
- Root depth
- 8 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 2 ft
- Foliage texture
- Medium
- 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
- Yes
- Propagation
- seed, bare root, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 161 counties across 13 states/territories.
Arizona view state ↗ 4 N ▾
California view state ↗ 30 N ▾
- Alpine 06003
- Butte 06007
- Colusa 06011
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Glenn 06021
- Humboldt 06023
- Inyo 06027
- Kern 06029
- Lake 06033
- Lassen 06035
- Marin 06041
- Mariposa 06043
- Mendocino 06045
- Modoc 06049
- Mono 06051
- Nevada 06057
- Placer 06061
- Plumas 06063
- Riverside 06065
- San Bernardino 06071
- San Diego 06073
- Shasta 06089
- Sierra 06091
- Siskiyou 06093
- Sonoma 06097
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
Colorado view state ↗ 12 N ▾
Idaho view state ↗ 26 N ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Blaine 16013
- Boise 16015
- Bonner 16017
- Camas 16025
- Canyon 16027
- Caribou 16029
- Cassia 16031
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Fremont 16043
- Idaho 16049
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Owyhee 16073
- Power 16077
- Teton 16081
- Twin Falls 16083
- Valley 16085
Montana view state ↗ 10 N ▾
Nevada view state ↗ 5 N ▾
New Mexico view state ↗ 4 N ▾
North Dakota view state ↗ 4 N ▾
Oregon view state ↗ 20 N ▾
Texas view state ↗ 1 N ▾
Utah view state ↗ 17 N ▾
Washington view state ↗ 21 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CAAT3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2725564 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z