Ambispora gerdemannii (S.L. Rose, B.A. Daniels & Trappe) R.J. Bills & J.B. Morton
= Glomus gerdemannii S.L. Rose, B.A. Daniels & Trappe
= Ambispora fennica C. Walker, Vestberg & Schüssler
Ambispora granatensis J. Palenzuela, N. Ferrol & Oehl
Ambispora leptoticha (N.C. Schenck & G.S. Sm.) R.J. Bills & J.B. Morton
= Acaulospora appendicula Spain, Sieverd. & N.C. Schenck
= Acaulospora gerdemannii N.C. Schenck & T.H. Nicolson
= Glomus leptotichum N.C. Schenck & G.S. Sm.
= Glomus fecundisporum N.C. Schenck & G.S. Sm.
Ambispora nicolsonii (C. Walker, L.E. Reed & F.E. Sanders) Oehl, G.A. Silva, B.T. Goto & Sieverd.
Ambispora reticulata Oehl & Sieverd.