Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Hieracium > Hieracium albiflorumHieracium albiflorum (white hawkweed)Synonyms: Chlorocrepis albiflora (homotypic); Hieracium albiflorum f. albiflorum; Hieracium albiflorum f. laxior; Hieracium albiflorum f. lyallii; Hieracium helleri; Hieracium vancouverianum; Pilosella albiflora (homotypic) Hieracium albiflorum is a common and widespread North American plant in the sunflower family, known by the names white hawkweed and white-flowered hawkweed. Hieracium albiflorum grows in western North America, from Alaska and Northwest Territories south as far as Chihuahua, Sonora) and east to Manitoba and the Black Hills of South Dakota. There have been reports of populations in Québec and Wisconsin, but these are probably waifs or introductions. |
Bloom Period [1] | Late Spring | Drought Tolerance [1] | High | Fire Tolerance [1] | High | Frost Free Days [1] | 4 months | Fruit/Seed Abundance [1] | Low | Fruit/Seed Begin [1] | Summer | Fruit/Seed End [1] | Summer | Growth Form [1] | Bunch | Growth Period [1] | Spring, Summer | Growth Rate [1] | Moderate | Leaf Type [1] | Deciduous | Lifespan [1] | Perennial | Propagation [1] | Seed | Regrowth Rate [1] | Slow | Root Depth [1] | 12 inches (30 cm) | Seed Spread Rate [1] | Moderate | Seed Vigor [1] | Medium | Seeds Per [1] | 2249995 / lb (4960395 / kg) | Shape/Orientation [1] | Erect | Structure [2] | Herb | Vegetative Spread Rate [1] | Moderate |  | Flower Color [1] | White | Foliage Color [1] | Gray-Green | Fruit Color [1] | Brown |  | Flower Conspicuous [1] | Yes |  | Height [1] | 35 inches (0.9 m) |  | Hardiness Zone Minimum [1] | USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°) | Light Preference [1] | Mixed Sun/Shade | Soil Acidity [1] | Neutral | Soil Fertility [1] | Intermediate | Water Use [1] | Low |  | Screening - Summer [1] | Porous | Screening - Winter [1] | Porous |
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Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Climate |
Land Use |
Banff National Park |
II |
1690912 |
Alberta, Canada |
|
|
|
|
Bighorn Canyon National Recreation Area |
V |
36286 |
Montana, Wyoming, United States |
|
|
|
|
Coram Biosphere Reserve |
|
7460 |
Montana, United States |
|
|
|
|
Crater Lake National Park |
II |
180091 |
Oregon, United States |
|
|
|
|
Devils Tower National Monument |
V |
1361 |
Wyoming, United States |
|
|
|
|
Fraser Biosphere Reserve |
|
23050 |
Colorado, United States |
|
|
|
|
Glacier Bay National Park and Preserve |
Ib |
591068 |
Alaska, United States |
|
|
|
|
Glacier National Park |
II |
953799 |
Montana, United States |
|
|
|
|
Gwaii Haanas National Park Reserve |
II |
366714 |
British Columbia, Canada |
|
|
|
|
H.J. Andrews Biosphere Reserve |
|
15815 |
Oregon, United States |
|
|
|
|
Jasper National Park |
II |
2776809 |
Alberta, Canada |
|
|
|
|
Kootenay National Park |
II |
341762 |
British Columbia, Canada |
|
|
|
|
Mount Revelstoke National Park |
Ia |
18 |
British Columbia, Canada |
|
|
|
|
Nahanni National Park Reserve |
II |
1309627 |
Northwest Territories, Canada |
|
|
|
|
Olympic Biosphere Reserve |
II |
922805 |
Washington, United States |
|
|
|
|
Oregon Caves National Monument |
V |
456 |
Oregon, United States |
|
|
|
|
Pacific Rim National Park Reserve |
II |
137900 |
British Columbia, Canada |
|
|
|
|
Rocky Mountain Biosphere Reserve |
II |
239938 |
Colorado, United States |
|
|
|
|
Yellowstone Biosphere Reserve |
II |
2196863 |
Idaho, Montana, Wyoming, United States |
|
|
|
|
Yoho National Park |
II |
317576 |
British Columbia, Canada |
|
|
|
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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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