• Erigeron Linnaeus, 1753
• Erigeron abajoensis Cronq.
• Erigeron acer Linnaeus
• Erigeron acomanus Spellenberg & P. Knight
• Erigeron acris Linnaeus
• Erigeron aequifolius Hall
• Erigeron alaskanus Cronq. accepted as Erigeron hyperboreus Greene
• Erigeron algidus Jepson
• Erigeron aliceae T.J. Howell
• Erigeron allocotus Blake
• Erigeron alpiniformis Cronq.
• Erigeron anchana Nesom
• Erigeron andersonii Gray accepted as Oreostemma alpigenum (Torr. & Gray) Greene
• Erigeron angustatus Greene
• Erigeron annuus (L.) Pers.
• Erigeron anodonta Lunell accepted as Erigeron glabellus Nutt.
• Erigeron aphanactis (Gray) Greene
• Erigeron apurensis (Kunth) Griseb. accepted as Conyza apurensis Kunth
• Erigeron arenarioides (D.C. Eat. ex Gray) Gray ex Rydb.
• Erigeron arenarius Greene accepted as Erigeron bellidiastrum Nutt.
• Erigeron argentatus Gray
• Erigeron arisolius Nesom
• Erigeron arizonicus Gray
• Erigeron arthurii Boivin
• Erigeron asper Nutt.
• Erigeron asperugineus (D.C. Eat.) Gray
• Erigeron asperum Nutt.p.p. accepted as Erigeron glabellus Nutt.
• Erigeron aureus Greene
• Erigeron austiniae Greene
• Erigeron awapensis Welsh
• Erigeron barbellulatus Greene
• Erigeron basalticus Hoover
• Erigeron bellidiastrum Nutt.
• Erigeron bellioides DC.
• Erigeron bigelovii Gray
• Erigeron biglovii Gray
• Erigeron bilboanus (Remy) Cabrera accepted as Conyza floribunda Kunth
• Erigeron biolettii Greene
• Erigeron bistiensis Nesom & Hevron
• Erigeron blochmaniae Greene
• Erigeron bloomeri Gray
• Erigeron bonariensis Linnaeus accepted as Conyza bonariensis (L.) Cronq.
• Erigeron borealis (Vierh.) Simm.
• Erigeron brandegeei Gray accepted as Erigeron concinnus (Hook. & Arn.) Torr. & Gray
• Erigeron breweri Gray
• Erigeron caespitosus Nutt.
• Erigeron callianthemus Greene accepted as Erigeron peregrinus (Banks ex Pursh) Greene
• Erigeron calvus Coville
• Erigeron canaani Welsh accepted as Erigeron eatonii Gray
• Erigeron canadensis Linnaeus accepted as Conyza canadensis (L.) Cronq.
• Erigeron canus Gray
• Erigeron carringtoniae Welsh accepted as Erigeron untermannii Welsh & Goodrich
• Erigeron cascadensis Heller
• Erigeron cavernensis Welsh & Atwood accepted as Erigeron uncialis Blake
• Erigeron cervinus Greene
• Erigeron chinensis Jacq. accepted as Conyza apurensis Kunth
• Erigeron chrysopsidis Gray
• Erigeron clokeyi Cronq.
• Erigeron colomexicanus A. Nels.
• Erigeron compactus Blake
• Erigeron compositus Pursh
• Erigeron concinnus (Hook. & Arn.) Torr. & Gray
• Erigeron condensatus (D.C. Eat.) Greene accepted as Erigeron concinnus (Hook. & Arn.) Torr. & Gray
• Erigeron consimilis Cronq.
• Erigeron conspicuus Rydb. accepted as Erigeron subtrinervis Rydb. ex Porter & Britt.
• Erigeron controversus Greene accepted as Erigeron garrettii A. Nels.
• Erigeron corymbosus Nutt.
• Erigeron coulteri Porter
• Erigeron cronquistii Maguire
• Erigeron cuneifolius DC.
• Erigeron debilis (Gray) Rydb. accepted as Erigeron acris Linnaeus
• Erigeron decumbens Nutt.
• Erigeron delicatus Cronq. accepted as Erigeron cervinus Greene
• Erigeron disparipilus Cronq.
• Erigeron divaricatus Michx. accepted as Conyza ramosissima Cronq.
• Erigeron divergens Torr. & Gray
• Erigeron droebachianus O.F. Muell. ex Retz. accepted as Erigeron acris Linnaeus
• Erigeron eatonii Gray
• Erigeron elatior (Gray) Greene
• Erigeron elatus (Hook.) Greene
• Erigeron elegantulus Greene
• Erigeron elmeri (Greene) Greene
• Erigeron elongatus Ledeb. accepted as Erigeron acris Linnaeus
• Erigeron engelmannii A. Nels.
• Erigeron eriocephalus J. Vahl accepted as Erigeron uniflorus Linnaeus
• Erigeron eriophyllis Gray
• Erigeron eriophyllus Gray accepted as Laennecia eriophylla (Gray) Nesom
• Erigeron evermannii Rydb.
• Erigeron eximius Greene
• Erigeron filifolius (Hook.) Nutt.
• Erigeron filiosus Nuttall
• Erigeron flabellifolius Rydb.
• Erigeron flagellaris Gray
• Erigeron flettii G.N. Jones
• Erigeron flexuosus Cronq. accepted as Erigeron lassenianus Greene
• Erigeron floribundus (Kunth) Schultz-Bip. accepted as Conyza floribunda Kunth
• Erigeron foliosus Nutt.
• Erigeron formosissimus Greene
• Erigeron garrettii A. Nels.
• Erigeron geiseri Shinners