Erigeron

Philadelphia fleabaneErigeron philadelphicus · Flowering plantsPhoto © gj · CC BY-NC 4.0Mid-April to mid-June, middle week May 17–23annual fleabaneErigeron annuus · Flowering plantsPhoto © Dinesh Valke · CC BY-NC-SA 4.0Early May to late September, middle week Jun 28 – Jul 4daisy fleabaneErigeron strigosus · Flowering plantsPhoto © Curren Frasch · CC BY-NC 4.0Mid-May to late September, middle week Jul 26 – Aug 1horseweedErigeron canadensis · Flowering plantsPhoto © Zihao Wang · CC BY 4.0Late June to mid-October, middle week Sep 6–12robin's-plantainErigeron pulchellus · Flowering plantsPhoto © tallpaultheforester · CC BY-NC 4.0

Missing records do not mean a species is absent.