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Family | Scientific Name | Common Name | Habitat | Distribution | Image |
Asteraceae | Symphyotrichum patens var. gracile | | Dry woodlands and prairies. | Var. gracile, as defined more narrowly by R. Jones (1983), ranges east to se. LA, s. MS, and s. AL from a core range in LA, e. and c. TX, and OK. | 
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Asteraceae | Symphyotrichum patens var. patens | Common Clasping Aster | Dry woodlands, longleaf pine sandhills, roadsides, woodland edges, clearings, roadbanks. | Var. patens ranges from VT and NY west to PA, s. OH, s. IN, s. MO, and se. KS, south to e. GA, ne. FL, Panhandle FL, s. AL, s. MS, s. LA, and sc. TX. | 
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Asteraceae | Symphyotrichum patens var. patentissimum | Ozark Clasping Aster | Glades, upland prairies, woodlands, forest edges. | Var. patentissimum is largely Ozarkian, east to scattered locations in w. KY. | 
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Asteraceae | Symphyotrichum patens var. terranigrum | Black Belt Clasping Aster | Prairies and woodlands. | Distribution centered in the AL-MS Black Belt, but allegedly with scattered occurrences over a more widespread area of the Southeastern United States | 
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