Species
Pilosella horrida (Prickly hawkweed)
Pilosella horrida. Photo: (c) mtash, some rights reserved (CC BY-NC)
Pilosella horrida (synonym Hieracium horridum), known as the prickly hawkweed or shaggy hawkweed, gets its name from the long, dense, shaggy white to brown hairs (trichomes) which cover all of the plant parts of this plant species. The species is native to Oregon, California, and Nevada in the western United States.
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Humboldt Life
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Kingdom: Plantae (Plants)
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Phylum: Tracheophyta (Vascular plants)
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Subphylum: Angiospermae (Flowering plants)
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Class: Magnoliopsida (Dicots)
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Order: Asterales (Sunflowers, bellflowers, fanflowers, and allies)
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Family: Asteraceae (Sunflowers, daisies, asters, and allies)
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Subfamily: Cichorioideae (Chicories, dandelions, and allies)
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Tribe: Cichorieae (Lettuce, chicory, dandelion and salsify tribe)
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Subtribe: Hieraciinae (Hawkweeds)
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Genus: Pilosella (Mouse ear hawkweeds)
- Species: Pilosella horrida (Prickly hawkweed)
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Genus: Pilosella (Mouse ear hawkweeds)
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Subtribe: Hieraciinae (Hawkweeds)
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Tribe: Cichorieae (Lettuce, chicory, dandelion and salsify tribe)
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Subfamily: Cichorioideae (Chicories, dandelions, and allies)
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Family: Asteraceae (Sunflowers, daisies, asters, and allies)
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Order: Asterales (Sunflowers, bellflowers, fanflowers, and allies)
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Class: Magnoliopsida (Dicots)
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Subphylum: Angiospermae (Flowering plants)
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Phylum: Tracheophyta (Vascular plants)
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Kingdom: Plantae (Plants)
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