Family | Scientific Name | Common Name | Habitat | Distribution | Image |
Asteraceae | Erigeron allisonii | Cedar Glade Daisy Fleabane | Limestone glades. | Central basin of TN (Allison & Stevens 2001), nw. GA (GANHP), n. AL, and swc. KY (Pennyroyal Plain, Warren County) (Brock 2020). | 
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Asteraceae | Erigeron annuus | Annual Fleabane | Roadsides, disturbed areas, gardens. | NL (Newfoundland) west to MB, south to Panhandle FL and TX. | 
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Asteraceae | Erigeron bellidiastrum var. robustus | Western Daisy Fleabane | Open, sandy loam soils. | NE and CO south to c. OK, w. TX, and NM. | |
Asteraceae | Erigeron bellioides | Bellorita | Moist disturbed areas. | Native of the West Indies. | 
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Asteraceae | Erigeron bonariensis | South American Horseweed | Fields, disturbed areas. | Apparently native of South America. Se. VA south into the tropics. | 
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Asteraceae | Erigeron canadensis | Common Horseweed | Old fields, disturbed areas, roadsides, gardens. | S. Canada south through nearly all of the United States to tropical America. | 
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Asteraceae | Erigeron divaricatus | | Lawns, roadsides, other weedy situations. | OH west to MN, south to KY, ec. TN (Chester, Wofford, & Kral 1997), ne. AL, LA, and c. TX. | 
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Asteraceae | Erigeron dolomiticola | Cahaba Daisy Fleabane | Calcareous Ketona glades. | Endemic to Bibb County, AL (Allison & Stevens 2001). | 
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Asteraceae | Erigeron flagellaris | Running Fleabane | Open areas. | SD, MT, AB south to nc. TX, w. TX, NM, AZ, CA, and Mexico (CHH, COA, DGO, NLE, SLP, SON, TAM, ZAC). | |
Asteraceae | Erigeron geiseri | Basin Fleabane | Open, sandy areas. | Sc. OK south to e., se., and s. TX. | |
Asteraceae | Erigeron laevigatus | Manzanilla Horseweed | Disturbed areas. | Native of tropical America. | 
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Asteraceae | Erigeron modestus | Plains Fleabane | Dry, calcareous open areas. | Sw. KS, c. and w. OK, c. and w. TX, NM, and AZ, south to Mexico. | |
Asteraceae | Erigeron philadelphicus var. philadelphicus | Philadelphia-daisy | Roadsides, meadows, disturbed areas. | NL (Newfoundland) west to BC, south to n. FL, TX, NM, CA, and (?) Mexico. | 
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Asteraceae | Erigeron procumbens | Corpus Christi Fleabane | Moist to dry coastal areas, including marsh edges. | S. MS (historical), LA, TX, Mexico (SLP, TAM, VER). | |
Asteraceae | Erigeron pulchellus var. brauniae | | River scours, moist to dry upland forests. | MD, WV, and s. OH south to KY. | 
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Asteraceae | Erigeron pulchellus var. pulchellus | Robin's-plantain | Moist slopes, coves, limestone bluffs, trail margins, roadbanks. | ME west to MN, south to Panhandle FL (Jackson County), GA, and e. TX. | 
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Asteraceae | Erigeron pusillus | Southern Horseweed | Dunes, brackish marsh edges, coastal sand flats, sand prairies, old fields, disturbed areas, barrens and glades. | Se. MA and CT west to s. IN, south to FL and TX, and south into tropical America. | 
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Asteraceae | Erigeron quercifolius | Oak-leaved Fleabane | Sandy roadsides, disturbed areas. | Se. VA south to s. FL, west to FL Panhandle; Bahamas. Nesom (2006bb) pointed out that putative records from further west are based on misidentifications. | 
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Asteraceae | Erigeron strigosus var. septentrionalis | | Roadsides, disturbed areas. | Scattered in n. North America, south to NY, TN (FNA), AR, OK, WY, CA. | |
Asteraceae | Erigeron strigosus var. strigosus | Common Rough Fleabane, White-top | Roadsides, disturbed areas; open woodlands. | NS west to WA, south to c. peninsular FL and TX. | 
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Asteraceae | Erigeron sumatrensis | | Disturbed areas. | Native of the Paleotropics. | 
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Asteraceae | Erigeron tenellus | Rio Grande Fleabane | Exposed loamy soils of palm woodlands, brushlands, disturbed areas. | S. TX (Cameron and Hidalgo counties) south to c. Mexico (COA, MIC, NLE, TAM). | |
Asteraceae | Erigeron tenuis | Midwestern Fleabane | Prairies, open woodlands, other open habitats, disturbed areas. | FL Panhandle (Okaloosa County) and AL west to se. KS, w. OK, and c. and s. TX. Reported for w. NC (Nesom 1980); but later discounted (Nesom in FNA 2006b). | 
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Asteraceae | Erigeron tracyi | Running Fleabane | Prairies. | C. OK, sw. KS, CO, UT, and NV south to c. and w. TX, NM, AZ, and Mexico. | |
Asteraceae | Erigeron traversii | West Gulf Coastal Plain Fleabane | Longleaf pinelands and associated disturbed sandy habitats. | W. LA west to e. TX. | |
Asteraceae | Erigeron vernus | Whitetop Fleabane | Wet pine savannas, seepages, interdunal swales. | E. VA south to s. FL, west to e. LA; disjunct in w. LA (Allen Parish). | 
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