| Erigeron formosissimus | |
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| Conservation status | |
 Secure (NatureServe) | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Erigeron |
| Species: | E. formosissimus |
| Binomial name | |
| Erigeron formosissimus Greene | |
| Synonyms | |
Synonymy
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Erigeron formosissimus is a North American species of flowering plants in the family Asteraceae known by the common name beautiful fleabane.
Erigeron formosissimus is native to the western United States. It has been found in Arizona, New Mexico, Utah, Colorado, Wyoming, the Black Hills of South Dakota, eastern Idaho, and southern Montana.
Erigeron formosissimus is a perennial herb up to 55 centimeters (22 inches) in height, spreading by means of underground rhizomes. It produces 1-6 flower heads per stem, each head as many as 150 white, pink, purple, or blue ray florets surrounding numerous yellow disc florets.
- Varieties
- Erigeron formosissimus var. viscidus (Rydberg) Cronquist - Arizona, Colorado, New Mexico, South Dakota, Wyoming
- Erigeron formosissimus var. formosissimus - Arizona, Colorado, New Mexico, South Dakota, Utah
References
- The Plant List, Erigeron formosissimus Greene
- ^ Flora of North America, Erigeron formosissimus Greene, Beautiful fleabane
- Biota of North America Program 2014 county distribution map
- Greene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): 121 description and commentary in English
- Greene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): plate 332, figures 3 + 4 line drawing of Erigeron formosissimus
External links
| Taxon identifiers | |
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| Erigeron formosissimus |
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