Erigeron grandiflorus
(Rocky Mountain Alpine Daisy)
Erigeron grandiflorus, Hoosier Ridge, Summit Co. 0951
Erigeron grandiflorus, Loveland Pass, Clear Creek Co. 1772
Erigeron grandiflorus, Loveland Pass, Clear Creek Co. 0749
Erigeron grandiflorus, Hoosier Ridge, Summit Co. 0957
Erigeron grandiflorus, Hoosier Ridge, Summit Co. 0981
Erigeron grandiflorus, Loveland Pass, Clear Creek Co. 1782
Erigeron grandiflorus, Loveland Pass, Clear Creek Co. 0746
Erigeron grandiflorus, Hoosier Ridge, Summit Co. 0964
| Scientific Name | Erigeron grandiflorus | USDA PLANTS Symbol | ERGR3 |
| Common Name | Rocky Mountain Alpine Daisy | ITIS Taxonomic Serial No. | 35876 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description |
Life zones and habitat: Subalpine and alpine (9500 to 14000 ft.); dry meadows and slopes normally above timberline. Plant: Short, erect perennial 1 to 8 inches tall; simple, solitary, sparsely to moderately soft-hairy stems. Leaves: Basal leaves oblanceolate to spatulate, smooth or somewhat hairy surfaces with hairy edges, up to 3 inches long; stem leaves sparse and smaller and linear. Inflorescence: Small, solitary composite flower heads 3/4 to 1 inch across with many (60 to 125) pink, light blue or purple (rarely white) rays and yellow disk; involucre with green to purplish, pointed phyllaries with dense long hairs. Bloom Period: July to September. References: "Flora of Colorado" by Jennifer Ackerfield, E-Flora BC, SW Colorado Wildflowers, and Montana Field Guide. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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