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Erigeron robustior
Also called Robust Daisy, White Cushion Fleabane
Erigeron robustior is a North American species of flowering plant in the family Asteraceae known by the common name white cushion fleabane or robust daisy. It is native to the southwestern Oregon and northern California in the western United States.
Erigeron robustior grows in rocky or gravely slopes, sometimes in serpentine soil. It is a perennial herb up to 55 centimeters (22 inches) tall, forming a thin tap root, not growing into colonies as do some of the other species in the genus. The inflorescence usually contains one to three flower heads. Each head contains 21–36 white or pink ray florets surrounding many yellow disc florets.
Dwarf horseweed · Lance-leafed Darwin's Shrub · Thin-leafed Darwin's Shrub · Fleabane · Abajo fleabane · Bluewater fleabane · Blue Fleabane · Erigeron adscendens · Hall's fleabane · Stalked fleabane · Alice Eastwood's fleabane · Erigeron allochrous
Text excerpted from the Wikipedia article Erigeron robustior by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
