Aster subsect. Biotia (DC. ex Torr. & A.Gray) Semple (original description)
Aster subsect. Eryngiifolii (Alexander) Semple (original description)
Aster subsect. Heterophylli (Nees) Semple (original description)
Aster subsect. Porteriani (Rydb.) Semple (original description)
Pityopsis sect. Graminifoliae (Small) Semple (original description)
Solidago nemoralis subsp. decemflora (DC.) brammall ex Semple accepted as Solidago nemoralis subsp. decemflora (DC.) brammall (original description)
Virgulaster Semple accepted as Symphyotrichum Nees (original description)
Virgulus subsect. Lasallea (Greene) Semple accepted as Symphyotrichum Nees (original description)