Arctotis caroliniana Walter (original description)
Aster ciliatus Walter (original description)
Aster tripolium Walter (original description)
Calea caroliniana Walter (original description)
Carduus virginianus Walter (original description)
Cineraria canadensis Walter (original description)
Cineraria carolinensis Walter (original description)
Coreopsis bidens Walter (original description)
Coreopsis gladiata Walter (original description)
Coreopsis major Walter (original description)
Doronicum ramosum Walter (original description)
Erigeron cymosus Walter (original description)
Eupatorium compositifolium Walter (original description)
Eupatorium pilosum Walter (original description)
Helenium serotinum Walter (original description)
Helenium vernale Walter (original description)
Helianthus laevis Walter (original description)
Iva imbricata Walter (original description)
Lactuca caroliniana Walter (original description)
Leysera caroliniana Walter (original description)
Prenanthes alba Walter (original description)
Prenanthes autumnalis Walter (original description)
Pteronia caroliniana Walter (original description)
Senecio tussilaginoides Walter (original description)
Silphium laciniatum Walter (original description)
Silphium scabrum Walter (original description)
Solidago pilosa Walter (original description)
Verbesina occidentalis (L.) Walter (original description)