Arctotis leichtliniana Lynch (original description)
Aster bostoniensis Hort. ex Baker accepted as Symphyotrichum ×amethystinum (Nutt.) G.L.Nesom (original description)
Aster carneus Baker accepted as Symphyotrichum lanceolatum (Willd.) G.L.Nesom (original description)
Aster subcoeruleus S.Moore (original description)
Dahlia lutea Hort. (original description)
Dahlia maximiliana Hort. (original description)
Gazania stenophylla Hort. (original description)
Grindelia hirsuta Hort. (original description)
Helichrysum devium J.Y.Johnson (original description)
Pyrethrum serotinum Hor. (original description)
Senecio latifolius Mast. (original description)
Senecio veitchianus Hemsl. accepted as Ligularia veitchiana (Hemsl.) Greenm. (original description)
Senecio wilsonianus Hemsl. accepted as Ligularia wilsoniana (Hemsl.) Greenm. (original description)
Viguiera rigida Hort. (original description)
Zinnia darwinii Haage & Schmidt. (original description)