Helogyne macrogyne (Phil.) B.L.Rob. (original description)
Spilanthes acmella var. albescentifolia A.H.Moore accepted as Acmella paniculata (Wall. ex DC.) R.K.Jansen (original description)
Spilanthes acmella var. lanceolata (Link ex Spreng.) A.H.Moore (original description)
Spilanthes americana f. ciliatifolia A.H.Moore (original description)
Spilanthes americana f. lanitecta A.H.Moore accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Spilanthes americana f. longiinternodiata A.H.Moore accepted as Acmella pusilla (Hook. & Arn.) R.K.Jansen (original description)
Spilanthes americana f. parvifolia (Benth.) A.H.Moore accepted as Acmella filipes (Greenm.) R.K.Jansen (original description)
Spilanthes americana var. parvula (B.L.Rob.) A.H.Moore accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Spilanthes americana var. ramosa (Hemsl.) A.H.Moore accepted as Acmella ramosa (Hemsl.) R.K.Jansen (new combination reference)
Spilanthes americana var. repens (Walter) A.H.Moore accepted as Acmella repens (Walter) Rich. ex Pers. (new combination reference)
Spilanthes mauritiana f. madagascariensis (DC.) A.H.Moore accepted as Acmella caulirhiza Delile (original description)
Spilanthes subsect. Parvoradiatae A.H.Moore accepted as Acmella sect. Acmella (original description)