Plantae > Tracheophyta > Liliopsida > Poales > Cyperaceae > Carex > Carex douglasiiCarex douglasii (Douglas' sedge)Synonyms: Carex douglasii f. brunnea; Carex douglasii f. laxiflora; Carex douglasii f. meekii; Carex douglasii var. brunnea; Carex douglasii var. densispicata; Carex douglasii var. laxiflora; Carex douglasii var. minor; Carex douglasii var. williamsii; Carex fendleriana; Carex irrasa; Carex meekii; Carex nuttallii; Carex usta (heterotypic) Carex douglasii is a species of sedge known by the common name Douglas' sedge. |
Allergen Potential [1] | High | Screening - Summer [2] | Porous | Screening - Winter [2] | Porous |  | Bloom Period [2] | Late Spring | Drought Tolerance [2] | Medium | Fire Tolerance [2] | High | Frost Free Days [2] | 85 days | Fruit/Seed Abundance [2] | Low | Fruit/Seed Begin [2] | Summer | Fruit/Seed End [2] | Summer | Growth Form [2] | Rhizomatous | Growth Period [2] | Spring, Summer | Growth Rate [2] | Slow | Leaf Type [2] | Deciduous | Lifespan [2] | Perennial | Propagation [2] | Bare Root, Seed, Sprig | Regrowth Rate [2] | Slow | Root Depth [2] | 8 inches (20 cm) | Seed Spread Rate [2] | Slow | Seed Vigor [2] | Low | Shape/Orientation [2] | Erect | Structure [3] | Grass | Vegetative Spread Rate [2] | Moderate |  | Flower Color [2] | Green | Foliage Color [2] | Green | Fruit Color [2] | Brown |  | Height [2] | 20 inches (0.5 m) |  | Hardiness Zone Minimum [2] | USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°) | Light Preference [2] | Full Sun | Soil Acidity [2] | Neutral | Soil Fertility [2] | Infertile | Water Use [2] | Moderate |
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Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Climate |
Land Use |
Death Valley National Park |
II |
762125 |
California, Nevada, United States |
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|
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Grasslands National Park |
II |
128635 |
Saskatchewan, Canada |
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|
|
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Mojave and Colorado Deserts Biosphere Reserve |
|
5901 |
California, United States |
|
|
|
|
Philip L. Boyd Deep Canyon Desert Research Center |
|
6101 |
California, United States |
|
|
|
|
Riding Mountain Biosphere Reserve |
II |
762028 |
Manitoba, Canada |
|
|
|
|
Rocky Mountain Biosphere Reserve |
II |
239938 |
Colorado, United States |
|
|
|
|
Yellowstone Biosphere Reserve |
II |
2196863 |
Idaho, Montana, Wyoming, United States |
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|
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Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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