Erigeron philadelphicus var. provancheri (Victorin & Rouss.) B. Boivin
Family: Asteraceae
[Erigeron philadelphicus subsp. provancheri (Victorin & Rouss.) J.K. Morton,  more...]
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Perennials 4-18(-20) cm . Stems mostly glabrous. Leaves: basal persistent through flowering; cauline faces glabrous or glabrate. 2n = 18.

Flowering May-Aug. Crevices in shale or dolomite, usually beside rivers or lakes, receiving splashed water; of conservation concern; 0-50 m; Ont., Que.; N.Y., Vt.

Erigeron philadelphicus subsp. provancheri (Victorin & J. Rousseau) J. K. Morton is not a valid name.