• Phyllanthus Lesson, 1844 [Family: Sylviidae]
• Phyllanthus Linnaeus, 1753 [Family: Phyllanthaceae]
• Phyllanthus abditus G.L. Webster
• Phyllanthus abnormis Baill.
• Phyllanthus acacioides Urb.
• Phyllanthus accrescens J.J. Sm. accepted as Phyllanthus gomphocarpus Hook. f.
• Phyllanthus acidissimus (Blanco) Müll. Arg. accepted as Phyllanthus acidus (L.) Skeels
• Phyllanthus acidissimus Noronha accepted as Sauropus androgynus (L.) Merr.
• Phyllanthus acidus (L.) Skeels
• Phyllanthus acinacifolius Airy Shaw & G.L. Webster
• Phyllanthus actephilifolius J.J. Sm.
• Phyllanthus acuminatissimus C.B. Rob. accepted as Flueggea flexuosa Müll. Arg.
• Phyllanthus acuminatus Vahl
• Phyllanthus acutifolius Poir. ex Spreng.
• Phyllanthus acutissimus Miq.
• Phyllanthus acutus Wall. ex Müll. Arg.
• Phyllanthus adamii Müll. Arg. accepted as Sauropus glaucus (F. Muell.) Airy Shaw
• Phyllanthus adenandrus Müll. Arg. ex Guillaumin accepted as Phyllanthus baladensis Baill.
• Phyllanthus adenodiscus Müll. Arg.
• Phyllanthus adenophyllus Müll. Arg. accepted as Phyllanthus myrsinites Kunth
• Phyllanthus adianthoides Klotzsch
• Phyllanthus aeneus Baill.
• Phyllanthus affinis Müll. Arg.
• Phyllanthus agynus Hunter ex Ridl. accepted as Breynia coronata Hook. f.
• Phyllanthus airy-shawii Brunel & J.P. Roux
• Phyllanthus alaternoides Rchb. ex Baill. accepted as Phyllanthus reticulatus Poir.
• Phyllanthus alatus Blume accepted as Phyllanthus urinaria Linnaeus
• Phyllanthus albicans Wall. accepted as Flueggea leucopyrus Willd.
• Phyllanthus albidiscus (Ridl.) Airy Shaw
• Phyllanthus albiflorus F. Muell. ex Müll. Arg. accepted as Sauropus albiflorus (F. Muell. ex Müll. Arg.) Airy Shaw
• Phyllanthus albizzioides (Kurz) Hook. f.
• Phyllanthus albolapidosi Leandri
• Phyllanthus albus (Blanco) Müll. Arg. accepted as Glochidion album (Blanco) Boerl.
• Phyllanthus albus (Craib ex Hosseus) Beille accepted as Phyllanthus roseus (Craib & Hutch.) Beille
• Phyllanthus albus Noronha (unaccepted > nomen nudum)
• Phyllanthus alegrensis Glaz. (unaccepted > nomen nudum)
• Phyllanthus almadensis Müll. Arg.
• Phyllanthus alpestris Beille
• Phyllanthus amapondensis Sim accepted as Margaritaria discoidea (Baill.) G.L. Webster
• Phyllanthus amarus Schumach. & Thonn.
• Phyllanthus ambatovolanus Leandri
• Phyllanthus amentuliger Müll. Arg. accepted as Glochidion amentuligerum (Müll. Arg.) Croizat
• Phyllanthus americanus Sessé & Moç. accepted as Phyllanthus galeottianus Baill.
• Phyllanthus amicorum G.L. Webster
• Phyllanthus amieuensis Guillaumin
• Phyllanthus amnicola G.L. Webster
• Phyllanthus amoenus Müll. Arg. accepted as Phyllanthus subemarginatus Müll. Arg.
• Phyllanthus ampandrandavae Leandri
• Phyllanthus anabaptizatus Müll. Arg.
• Phyllanthus anadenus Jabl. accepted as Phyllanthus subapicalis Jabl.
• Phyllanthus analamerae Leandri
• Phyllanthus anamalayanus (Gamble) G.L. Webster
• Phyllanthus anceps Benth. accepted as Phyllanthus ussuriensis Rupr. & Maxim.
• Phyllanthus anceps Vahl accepted as Phyllanthus virgatus G. Forst.
• Phyllanthus andalangiensis Leandri
• Phyllanthus andamanicus Kurz accepted as Glochidion helferi (Müll. Arg.) Hook. f.
• Phyllanthus andamanicus N.P. Balakr. & N.G. Nair
• Phyllanthus andersonii Müll. Arg. accepted as Glochidion ellipticum Wight
• Phyllanthus anderssonii Müll. Arg.
• Phyllanthus andrachniformis Pax accepted as Phyllanthus heterophyllus E. Mey. ex Müll. Arg.
• Phyllanthus andrachnoides Willd. accepted as Phyllanthus maderaspatensis Linnaeus
• Phyllanthus andranovatensis Brunel & J.P. Roux
• Phyllanthus angavensis (Leandri) Leandri
• Phyllanthus angkorensis Beille
• Phyllanthus angolensis Müll. Arg.
• Phyllanthus angulatus Schumach. & Thonn. accepted as Flueggea virosa (Roxb. ex Willd.) Voigt
• Phyllanthus angustatus Hutch.
• Phyllanthus angustifolius (Sw.) Sw.
• Phyllanthus angustissimus Müll. Arg.
• Phyllanthus anisolobus Müll. Arg.
• Phyllanthus anisophyllioides Merr.
• Phyllanthus anisophyllus Urb. accepted as Phyllanthus berteroanus Müll. Arg.
• Phyllanthus ankarana Leandri
• Phyllanthus annamensis Beille
• Phyllanthus anomalus (Baill.) Müll. Arg. accepted as Margaritaria anomala (Baill.) Fosberg
• Phyllanthus anthopotamicus Hand.-Mazz.
• Phyllanthus antillanus (A. Juss.) Müll. Arg. accepted as Margaritaria nobilis L. f.
• Phyllanthus antunesii Pax accepted as Phyllanthus microdendron Müll. Arg.
• Phyllanthus aoraiensis Nadeaud
• Phyllanthus aoupinieensis M. Schmid
• Phyllanthus aphanostylus Airy Shaw & G.L. Webster
• Phyllanthus apiculatus Merr.
• Phyllanthus apiculatus Urb. accepted as Phyllanthus chamaecristoides Urb.
• Phyllanthus aquaticus C. Wright accepted as Phyllanthus stipulatus (Raf.) G.L. Webster
• Phyllanthus arabicus Hochst. ex Steud. accepted as Phyllanthus maderaspatensis Linnaeus
• Phyllanthus arachnodes Govaerts & Radcl.-Sm.
• Phyllanthus arborescens (Blume) Müll. Arg. accepted as Glochidion zeylanicum (Gaertn.) A. Juss.
• Phyllanthus arboreus (Wight) Müll. Arg. accepted as Glochidion candolleanum (Wight & Arn.) Chakrab. & M.G. Gangop.
• Phyllanthus arboreus Sessé & Moç. ex Baill. accepted as Phyllanthus mocinianus Baill.
• Phyllanthus arbuscula (Sw.) J.F. Gmel.
• Phyllanthus archboldianus Airy Shaw & G.L. Webster
• Phyllanthus ardisianthus Airy Shaw & G.L. Webster
• Phyllanthus arenarius Beille
• Phyllanthus arenicola Casar.
• Phyllanthus argentatus Noronha accepted as Phyllanthus distichus Hook. & Arn.
• Phyllanthus argyi H. Lév.
• Phyllanthus aridus Benth.
• Phyllanthus armstrongii Benth.
• Phyllanthus arnhemicus S. Moore
• Phyllanthus arnottianus (Müll. Arg.) Müll. Arg. accepted as Glochidion zeylanicum (Gaertn.) A. Juss.