Acaena acrobyssina Bitter (basis of record)
Acaena acroglochin Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena aculeata Meyen (basis of record)
Acaena acutifida Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena adenocarpa Bitter accepted as Acaena splendens Hook. & Arn. (basis of record)
Acaena adscendens Vahl accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena affinis Hook. f. accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena agnipila Gand. (basis of record)
Acaena agrimonioides Kunth accepted as Acaena elongata Linnaeus (basis of record)
Acaena alboffii Macloskie accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena alpina Poepp. ex Walp. (basis of record)
Acaena andicola Gillies ex Walp. (basis of record)
Acaena andina Phil. (basis of record)
Acaena anserinacea Bitter (basis of record)
Acaena anserinella Bitter accepted as Acaena stricta Griseb. (basis of record)
Acaena anserinifolia (J.R. Forst. & G. Forst.) Domin (basis of record)
Acaena anserinifolia (J.R. Forst. & G. Forst.) Druce (basis of record)
Acaena anserinifolia auct. accepted as Acaena novae-zelandiae Kirk (basis of record)
Acaena anserovina Orchard (basis of record)
Acaena antarctica Hook. f. (basis of record)
Acaena aquatica Linnaeus (basis of record)
Acaena argentea Bertero ex Steud. (basis of record)
Acaena argentea Ruiz & Pav. (basis of record)
Acaena arthrotricha Bitter accepted as Acaena pinnatifida Ruiz & Pav. (basis of record)
Acaena asthenoglochin Bitter (basis of record)
Acaena australis (Salisb.) Britten (basis of record)
Acaena basibullata Bitter (basis of record)
Acaena behriana Schltdl. (basis of record)
Acaena berteriana Bernh. (basis of record)
Acaena boliviana Gand. (basis of record)
Acaena brachyglochin Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena brunnescens Bitter (basis of record)
Acaena buchananii Hook. f. (basis of record)
Acaena cadilla Hook. f. (basis of record)
Acaena caesiiglauca (Bitter) Bergmans (basis of record)
Acaena caespitosa Gillies ex Hook. & Arn. (basis of record)
Acaena calcitrapa Phil. (basis of record)
Acaena californica Bitter accepted as Acaena pinnatifida Ruiz & Pav. (basis of record)
Acaena calvivagina Bitter (basis of record)
Acaena canescens Phil. accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena capitata Phil. (basis of record)
Acaena chamacaena Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena chamaegeron Bitter accepted as Acaena caespitosa Gillies ex Hook. & Arn. (basis of record)
Acaena chubutensis Bitter accepted as Acaena caespitosa Gillies ex Hook. & Arn. (basis of record)
Acaena closiana Gay (basis of record)
Acaena colchaguensis Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena compacta Hauman accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena confertissima Bitter (basis of record)
Acaena coxi Phil. (basis of record)
Acaena craspedotricha Bitter (basis of record)
Acaena cunctatrix Bitter (basis of record)
Acaena cuneata Hook. & Arn. accepted as Acaena sericea J. Jacq. (basis of record)
Acaena cylindristachya Ruiz & Pav. (basis of record)
Acaena decumbens (L. f.) Druce (basis of record)
Acaena decumbens Menzies (basis of record)
Acaena decumbens (G. Forst. ex Gaertn.) D.W.H. Walton (basis of record)
Acaena denudata Reiche (basis of record)
Acaena depauperata Bitter (basis of record)
Acaena depressa Kirk (basis of record)
Acaena dieckii Bitter (basis of record)
Acaena digitata Phil. (basis of record)
Acaena dimorphoglochin Bitter (basis of record)
Acaena distichophylla Bitter (basis of record)
Acaena dolichanthera Bitter (basis of record)
Acaena dumicola B.H. Macmill. (basis of record)
Acaena dumulosa Gand. (basis of record)
Acaena echinata Nees (basis of record)
Acaena eglochidiata Bitter (basis of record)
Acaena elegans Gay accepted as Acaena ovalifolia Ruiz & Pav. (basis of record)
Acaena elongata Linnaeus (basis of record)
Acaena emittens B.H. Macmill. (basis of record)
Acaena euacantha Phil. (basis of record)
Acaena eupatoria Cham. & Schltdl. (basis of record)
Acaena exaltata Bitter (basis of record)
Acaena exigua A. Gray (basis of record)
Acaena fissistipula Bitter (basis of record)
Acaena floribunda Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena frondosibracteata Bitter (basis of record)
Acaena fuegina Phil. accepted as Acaena sericea J. Jacq. (basis of record)
Acaena fuscescens Bitter (basis of record)
Acaena glaberrima Phil. (basis of record)
Acaena glabra Buchanan (basis of record)
Acaena glandulifera Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena glaucella Bitter accepted as Acaena magellanica (Lam.) Vahl (basis of record)
Acaena glaucophylla Bitter (basis of record)
Acaena gracillima Bitter (basis of record)
Acaena grahamiana Gillies ex Walp. (basis of record)
Acaena grandistipula Bitter (basis of record)
Acaena grossifolia Bitter (basis of record)
Acaena heptandra Dombey ex Bitter (basis of record)
Acaena hieronymi Kuntze accepted as Acaena myriophylla Lindl. (basis of record)
Acaena hirsuta Phil. accepted as Acaena ovalifolia Ruiz & Pav. (basis of record)
Acaena hirsutula Bitter (basis of record)
Acaena hirta Citerne (basis of record)
Acaena humilis Bitter (basis of record)
Acaena huttonii R. Br. bis (basis of record)
Acaena hystrix Chodat & Wilczek (basis of record)
Acaena incisa Lindl. (basis of record)
Acaena inermis Hook. f. (basis of record)
Acaena insularis Citerne (basis of record)