Polyphysa pusilla (M.Howe) S.Berger & Kaever, 1992 species synonym

Polyphysa myriospora (A.B.Joly & Cord.-Mar.) Bula-Meyer species synonym

Polyphysa polyphysoides (P.L.Crouan & H.M.Crouan) Schnetter, 1978 species synonym

Parvocaulis polyphysoides (P.L.Crouan & H.M.Crouan) S.Berger, U.Fettweiss, S.Gleissberg, L.B.Liddle, U.Richter, H.Sawitzky & G.C.Zuccarello, 2003 species accepted

Polyphysa parvula (Solms-Laubach) Schnetter & Bula Meyer, 1982 species synonym

Acetabularia parvula subsp. americana W.R.Taylor subspecies synonym

Polyphysa pusilla (M.A.Howe) E.Sosa, 1985 species synonym

Acetabularia myriospora A.B.Joly & Cord.-Mar. species synonym

Acetabularia pusilla (M.A.Howe) F.S.Collins, 1909 species synonym

Acetabularia minutissima Okamura, 1912 species synonym

Acetabularia wettsteinii Schussnig, 1930 species synonym

Acetabularia parvula var. americana W.R.Taylor, 1945 variety synonym

Acetabularia velasquezii Troño, Santiago & Ganzon-Fortes, 1978 species synonym

Acetabularia parvula Solms species synonym

Parvocaulis parvulus (Solms) S.Berger et al. species accepted

Parvocaulis pusillus (M.Howe) S.Berger et al. species accepted

Parvocaulis myriosporus (A.B.Joly & Cord-Mar.) C.W.N.Moura & J.C.DeAndrade species accepted

Acetabulum pusillum M.Howe species synonym