Dioon edule var. merolae (DeLuca et al.) Nance variety synonym

Dioon edule var. imbricatum Abel variety synonym

Dioon edule var. purpusii (Rose) Nance variety synonym

Dioon pectinatum Mast. species accepted

Dioon vovidesii Gut.Ortega & Pérez-Farr. species accepted

Dioon planifolium Salas-Mor., Chemnick & T.J.Greg. species accepted

Dioon edule subsp. sonorense (De Luca, Sabato & Vázq.Torres) R.McVaugh & Perez de la Rosa subspecies synonym

Dioon edule subsp. fma Lindl. subspecies synonym

Dioon tomasellii subsp. sonorense De Luca, Sabato & Vázq.Torres subspecies synonym

Dioon edule subsp. lanuginosum Wittmack subspecies synonym

Dion edule Lindl. species synonym

Dioon edule f. imbricatum (Miq.) Miq. form synonym

Dioon edule f. lanuginosum J.Schust. form synonym

Dioon edule subsp. angustifolium (Miq.) A.E.Murray subspecies synonym

Zamia rigida Karw. ex J.Schust. species synonym

Dioon stevensonii Nic.-Mor. & Vovides species accepted

Dioon pygmaea species accepted

Dioon edule f. edule form synonym

Dioon edule subsp. edule subspecies synonym

Dioon tellezii Rose species doubtful

Dioon edule var. lanuginosum Wittm. variety synonym

Dioon dohenyi E.A.Howard species synonym

Dioon angustifolium Miq. species accepted

Dioon holmgrenii DeLuca et al. species doubtful

Dioon tomasellii DeLuca et al. species doubtful

Dioon rzedowskii DeLuca et al. species doubtful

Dioon merolae DeLuca et al. species doubtful

Dioon caputoi DeLuca et al. species doubtful

Dioon tomasellii var. sonorense DeLuca et al. variety synonym

Dioon oaxacensis Gut.Ortega, Pérez-Farr. & Vovides species accepted

Dioon salas-moralesiae Gut.Ortega & Pérez-Farr. species accepted

Dioon spinulosum Dyer ex Eichler species accepted

Dioon sonorense (De Luca, Sabato & Vázq.Torres) Chemnick, T.J.Greg. & Salas-Mor. species accepted

Dioon edule var. sonorense (De Luca, Sabato & Vázq.Torres) McVaugh & Pérez de la Rosa variety synonym

Dioon tomasellii var. sonorense De Luca, Sabato & Vázq.Torres variety synonym

Dioon caputoi De Luca, Sabato & Vázq.Torres species accepted

Dioon merolae De Luca, Sabato & Vázq.Torres species accepted

Dioon holmgrenii De Luca, Sabato & Vázq.Torres species accepted

Dioon argenteum T.J.Greg., Chemnick, Salas-Mor. & Vovides species accepted

Dioon edule Lindl. species accepted

Dioon edule var. imbricatum (Miq.) Miq. variety synonym

Dioon strobilaceum Lem. ex A.DC. species synonym

Platyzamia rigida Zucc. species synonym

Dioon imbricatum Miq. species synonym

Macrozamia littoralis Liebm. ex Dyer species synonym

Dioon aculeatum Lem. species synonym

Macrozamia pectinata Liebm. ex Dyer species synonym

Dioon mejiae Standl. & L.O.Williams species accepted

Dioon purpusii Rose species accepted

Dioon califanoi De Luca & Sabato species accepted

Dioon rzedowskii De Luca, A.Moretti, Sabato & Vázq.Torres species accepted

Dioon tomasellii De Luca, Sabato & Vázq.Torres species accepted

Dioon edule f. angustifolium (Miq.) Miq. form synonym

Dioon edule var. califanoi (DeLuca & Sabato) Nance variety synonym

Dioon edule var. edule variety synonym

Dioon spinulosum Dyer species doubtful

Dioon tomasellii var. tomasellii variety synonym

Dioon edule var. gentryi Nance variety synonym

Dioon edule var. latipinnium Dyer variety synonym

Dioon edule var. caputoi (DeLuca et al.) Nance variety synonym

Zamia maelenii Miq. species synonym

Dioon edule var. angustifolium (Miq.) Miq. variety synonym

Dioon strobilaceum Lem. species synonym

Zamia rigida Karw. species homotypic synonym

Macrozamia littoralis Liebm. species homotypic synonym

Macrozamia pectinata Liebm. species homotypic synonym