Aster spinulosus Chapm. accepted as Eurybia spinulosa (Chapm.) G.L.Nesom (original description)
Chrysopsis decumbens Chapm. accepted as Chrysopsis gossypina subsp. gossypina (Michx.) Elliot (original description)
Coreopsis grandiflora Nutt. ex Chapm. (original description)
Eupatorium mikanioides Chapm. (original description)
Marshallia lanceolata var. platyphylla M.A.Curtis ex Chapm. (original description)
Rugelia Shuttlew. ex Chapm. (original description)
Rugelia nudicaulis Shuttlew. ex Chapm. (original description)
Senecio aureus var. fastigiatus Chapm. (original description)
Solidago amplexicaulis Torr. & A.Gray ex Chapm. accepted as Solidago auriculata Shuttlew. ex S.F.Blake (original description)
Solidago flavovirens Chapm. accepted as Solidago stricta subsp. stricta (original description)
Solidago lancifolia (Torr. & A.Gray) (original description)
Solidago lancifolia (Torr. & A.Gray) Chapm. (original description)
Solidago monticola (Torr. & A.Gray) Chapm. accepted as Solidago roanensis Porter (original description)
Solidago odora Chapm. (original description)
Solidago puberula var. pulverulenta (Nutt.) Chapm. accepted as Solidago puberula subsp. pulverulenta (Nutt.) Semple (original description)