Erigeron tweedyi
| Erigeron tweedyi | |
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| Species: | E. tweedyi
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| Binomial name | |
| Erigeron tweedyi Canby 1888
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Erigeron tweedyi is a North American species of flowering plant in the daisy family known by the common name Tweedy’s fleabane.[1] It is native to the northern Rocky Mountains in the US States of Montana, Idaho, and Wyoming.[2]
Erigeron tweedyi grows on talus and rocky slopes at high elevations. It is a perennial herb up to 20 centimeters (8 inches) tall, producing a taproot and a branching underground caudex. Leaves are covered with grayish-white hairs. The inflorescence is made up of 1-4 flower heads per stem. Each head contains 20–50 white, blue, or purple ray florets surrounding numerous yellow disc florets.[1]
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