The Genus Erigeron
Bitter Daisy, Northern Daisy: Erigeron acris ssp. acris var. debilis -
Bitter Fleabane: Erieron acris var. kamtschaticus -
Bitter Fleabane: Erigeron acris ssp. politus -
Alice's Fleabane, Alice Eastwood's Fleabane, Eastwood's Daisy: Ergeron aliceae -
Annual Fleabane, Eastern Daisy Fleabane, Sweet Scabrous Erigeron: Erigeron annuus -
Golden Daisy, Golden Fleabane, Alpine Yellow Fleabane: Erigeron aureus var. aureus -
Waldo Daisy: Erigeron bloomeri var. nudatus -
Cascade Daisy, Horseweed: Erigeron cascadensis -
Cutleaf Daisy, Fernleaf Fleabane, Trifid Mountain Fleabane: Erigeron compositus var. compositus -
Cutleaf Daisy, Dwarf Mountain Fleabane, Trifid Mountain Fleabane: Erigeron compositus var. glabratus -
Diffuse Daisy, Spreading Fleabane: Erigeron divergens var. divergens -
Eaton's Lavender Daisy: Erigeron eatonii var. lavandulus -
Plantain-leaved Daisy: Erigeron eatonii var. plantagineus -
Eaton's Shaggy Fleabane, Eaton's Shaggy Daisy: Erigeron eatonii var. villosus - ?
Volcanic Daisy, Blue Dwarf Fleabane: Erigeron elegantulus -
Leafy Fleabane: Erigeron foliosus var. confinis -
California Rayless Daisy, Unadorned Fleabane: Erigeron inornatus var. inornatus -
Leiberg's Fleabane: Erigeron leibergii -
Yellow Desert Daisy, Desert Yellow Daisy, Desert Yellow Fleabane, Lineleaf Fleabane: Erigeron linearis -
Spear-leaved Fleabane, Short-rayed Daisy, Short-rayed Fleabane: Erigeron lonchophyllus -
Foreign Daisy, Subalpine Daisy, Peregrine Fleabane: Erigeron peregrinus var. callianthemus -
Philadelphia Daisy, Philadelphia Fleabane: Erigron philadelphicus -
Shaggy Fleabane: Erigeron pumilus - ?
Star Peak Fleabane, Salish Daisy: Erigeron salishii - ?
Showy Daisy, Showy Fleabane, Aspen Fleabane, Splendid Fleabane: Erigeron speciosus var. speciosus (Includes Erigeron subtrinervis var. conspicuous in Oregon) -
Daisy Fleabane, Branching Daisy, Rough-stemmed Daisy, Prairie Fleabane: Erigeron strigosus var. strigosus -
Three-nerve Daisy, Threenerve Fleabane, Triple Nerved Fleabane, Triple Nerved Daisy: Erigeron subtrinervis var. conspicuous (This is considered Erigeron speciosus var. speciosus in Oregon) -