Mikania sect. Summikania W.C.Holmes (original description)
Tagetes sect. Filifoliae Soule (original description)
Tagetes ser. Argentinae Soule (original description)
Tagetes ser. Calcicolae Soule (original description)
Tagetes ser. Campanulatae Soule (original description)
Tagetes ser. Excelsae Soule (original description)
Tagetes ser. Foetidissimae Soule (original description)
Tagetes ser. Inclusae Soule (original description)
Tagetes ser. Lacerae Soule (original description)
Tagetes ser. Lemmoniae Soule (original description)
Tagetes ser. Linifoliae Soule (original description)
Tagetes ser. Minutae Soule (original description)
Tagetes ser. Peruvianae Soule (original description)
Tagetes ser. Sororiae Soule (original description)
Tagetes subg. Hydrotagetes Soule (original description)
Tagetes subg. Iya Soule (original description)