Acmella affinis (Hook. & Arn.) R.K.Jansen (original description)
Acmella alba (L'Hér.) R.K.Jansen (original description)
Acmella alba var. ecuadorensis R.K.Jansen (original description)
Acmella alpestris (Griseb.) R.K.Jansen (original description)
Acmella bellidioides (Sm.) R.K.Jansen (original description)
Acmella calva (DC.) R.K.Jansen (original description)
Acmella darwinii (D.M.Porter) R.K.Jansen (original description)
Acmella decumbens (Sm.) R.K.Jansen (original description)
Acmella decumbens var. affinis (Hook. & Arn.) R.K.Jansen (original description)
Acmella filipes (Greenm.) R.K.Jansen (original description)
Acmella filipes var. cayensis R.K.Jansen (original description)
Acmella filipes var. parvifolia (Benth.) R.K.Jansen accepted as Acmella filipes (Greenm.) R.K.Jansen (original description)
Acmella glaberrima (Hassl.) R.K.Jansen (original description)
Acmella grandiflora (Turcz.) R.K.Jansen (original description)
Acmella grandiflora var. brachyglossa (Benth.) R.K.Jansen (original description)
Acmella grandiflora var. discoidea R.K.Jansen (original description)
Acmella grisea (Chodat) R.K.Jansen (original description)
Acmella iodiscaea (A.H.Moore) R.K.Jansen (original description)
Acmella leptophylla (DC.) R.K.Jansen (original description)
Acmella leucantha (Kunth) R.K.Jansen (original description)
Acmella lundellii R.K.Jansen (original description)
Acmella oleracea (L.) R.K.Jansen (original description)
Acmella oppositifolia (Lam.) R.K.Jansen accepted as Heliopsis buphthalmoides (Jacq.) Dunal (original description)
Acmella oppositifolia var. repens (Walter) R.K.Jansen accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Acmella paniculata (Wall. ex DC.) R.K.Jansen (original description)
Acmella papposa (Hemsl.) R.K.Jansen (original description)
Acmella papposa var. macrophylla (Greenm.) R.K.Jansen (original description)
Acmella pilosa R.K.Jansen (original description)
Acmella poliolepidica (A.H.Moore) R.K.Jansen (original description)
Acmella psilocarpa R.K.Jansen (original description)
Acmella pusilla (Hook. & Arn.) R.K.Jansen (original description)
Acmella radicans (Jacq.) R.K.Jansen (original description)
Acmella radicans var. debilis (Kunth) R.K.Jansen (original description)
Acmella ramosa (Hemsl.) R.K.Jansen (original description)
Acmella sect. Annuae R.K.Jansen (original description)
Acmella sect. Megaglottis F.Muell. ex R.K.Jansen (original description)
Acmella serratifolia R.K.Jansen (original description)
Acmella sodiroi (Hieron.) R.K.Jansen (original description)