• Acalypha Dejean, 1834 (unaccepted > nomen nudum) [Family: Coleoptera (awaiting allocation)]
• Acalypha Linnaeus, 1753 [Family: Euphorbiaceae]
• Acalypha abingdonii Seberg
• Acalypha abortiva Hochst. ex Baill. accepted as Acalypha crenata Hochst. ex A. Rich.
• Acalypha acapulcensis Fernald
• Acalypha accedens Müll. Arg.
• Acalypha acmophylla Hemsl.
• Acalypha acrogyna Pax
• Acalypha acuminata Baill. accepted as Cleidion spiciflorum (Burm. f.) Merr.
• Acalypha acuminata Benth.
• Acalypha acuminata Vahl ex Baill. accepted as Cleidion spiciflorum (Burm. f.) Merr.
• Acalypha acuta Thunb. accepted as Adenocline acuta (Thunb.) Baill.
• Acalypha adamsii Rob. accepted as Acalypha parvula Hook. f.
• Acalypha adenophora Griseb. accepted as Acalypha membranacea A. Rich.
• Acalypha adenostachya Müll. Arg.
• Acalypha adenotricha A. Rich. accepted as Acalypha ornata Hochst. ex A. Rich.
• Acalypha adscendens Hornem. accepted as Acalypha chamaedrifolia (Lam.) Müll. Arg.
• Acalypha affinis Klotzsch accepted as Acalypha amentacea Roxb.
• Acalypha agrestis Morong ex Britton accepted as Acalypha communis Müll. Arg.
• Acalypha agrimonioides D. Dietr. accepted as Acalypha anemioides Kunth
• Acalypha akoensis Hayata
• Acalypha albemarlensis Rob. accepted as Acalypha parvula Hook. f.
• Acalypha albicans B. Heyne ex Hook. f. accepted as Acalypha lanceolata Willd.
• Acalypha alchorneoides Rusby
• Acalypha aldabrica Pax & K. Hoffm.
• Acalypha alexandrii Urb.
• Acalypha aliena Brandegee
• Acalypha allenii Hutch.
• Acalypha alnifolia Klein ex Willd.
• Acalypha alnifolia Poir. accepted as Acalypha poiretii Spreng.
• Acalypha alnifolia Wall. accepted as Acalypha alnifolia Klein ex Willd.
• Acalypha alopecuroides Jacq.
• Acalypha ambigua Pax
• Acalypha amblyodonta (Müll. Arg.) Müll. Arg.
• Acalypha amboinensis Benth. accepted as Acalypha amentacea Roxb.
• Acalypha amentacea Roxb.
• Acalypha amphigyne Moore accepted as Acalypha communis Müll. Arg.
• Acalypha amplexicaulis A.C. Sm.
• Acalypha ampliata Pax & K. Hoffm.
• Acalypha amplifolia Rusby accepted as Acalypha macrostachya Jacq.
• Acalypha anadenia Standl.
• Acalypha andina Müll. Arg. accepted as Acalypha padifolia Kunth
• Acalypha andringitrensis Leandri
• Acalypha anemioides Kunth
• Acalypha angatensis Blanco accepted as Acalypha amentacea Roxb.
• Acalypha angolensis Müll. Arg. accepted as Acalypha welwitschiana Müll. Arg.
• Acalypha angustata Sond.
• Acalypha angustifolia Sw.
• Acalypha angustissima Pax
• Acalypha anisodonta Müll. Arg. accepted as Acalypha insulana Müll. Arg.
• Acalypha annobonae Pax & K. Hoffm.
• Acalypha apetiolata Allem & J.L. Wächt.
• Acalypha apicalis N.E. Br. accepted as Acalypha communis Müll. Arg.
• Acalypha apodanthes Standl. & L.O. Williams
• Acalypha arciana (Baill.) Müll. Arg.
• Acalypha arcuata Urb. accepted as Acalypha angustifolia Sw.
• Acalypha argomuelleri Briq.
• Acalypha aristata Kunth
• Acalypha aronioides Pax & K. Hoffm.
• Acalypha arvensis Poepp. accepted as Acalypha aristata Kunth
• Acalypha aspericocca Pax & K. Hoffm.
• Acalypha asterifolia Rusby accepted as Acalypha cuspidata Jacq.
• Acalypha australis Linnaeus
• Acalypha baenitzii Pax accepted as Acalypha stenoloba Müll. Arg.
• Acalypha bailloniana Müll. Arg. accepted as Acalypha indica Linnaeus
• Acalypha bakeriana Baill.
• Acalypha balansae Guillaumin
• Acalypha baronii Baker
• Acalypha baurii B.L. Rob. & Greenm. accepted as Acalypha sericea Andersson
• Acalypha benensis Britton
• Acalypha benguelensis Müll. Arg.
• Acalypha bequaertii Staner accepted as Acalypha psilostachya Hochst. ex A. Rich.
• Acalypha berteroana Müll. Arg.
• Acalypha betulifolia Sw. accepted as Acalypha scabrosa Sw.
• Acalypha betulina Retz. accepted as Acalypha fruticosa Forssk.
• Acalypha betulina Schweinf. accepted as Cephalocroton cordofanus Hochst.
• Acalypha betulina Sond. accepted as Acalypha glabrata Thunb.
• Acalypha betulodes Klotzsch ex Baill. accepted as Acalypha communis Müll. Arg.
• Acalypha betuloides Klotzsch ex Baill. accepted as Acalypha communis Müll. Arg.
• Acalypha betuloides Pav. ex Klotzsch accepted as Acalypha diversifolia Jacq.
• Acalypha billbergiana Klotzsch accepted as Acalypha diversifolia Jacq.
• Acalypha bipartita Müll. Arg.
• Acalypha bisetosa Bertol. ex Spreng.
• Acalypha bisetosa Müll. Arg. accepted as Acalypha muelleriana Urb.
• Acalypha boehmerioides Miq. accepted as Acalypha lanceolata Willd.
• Acalypha boinensis Leandri
• Acalypha boiviniana Baill.
• Acalypha boliviensis Müll. Arg.
• Acalypha bopiana Rusby
• Acalypha botteriana Müll. Arg.
• Acalypha brachiata E. Mey. accepted as Acalypha ecklonii Baill.
• Acalypha brachiata Krauss
• Acalypha brachyandra Baill. accepted as Acalypha accedens Müll. Arg.
• Acalypha brachyclada Müll. Arg.
• Acalypha brachystachya Hornem. accepted as Acalypha supera Forssk.
• Acalypha bracteata Miq.
• Acalypha brasiliensis Müll. Arg.
• Acalypha brevibracteata Müll. Arg.
• Acalypha brevicaulis Müll. Arg.
• Acalypha brevipes (Müll. Arg.) Müll. Arg. accepted as Acalypha vellamea Baill.