Echinocereus acifer

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Echinocereus acifer (Otto ex Salm-Dyck) Jacobi in Allg. Gartenzeitung 24: 109. 1856 sec. Sánchez & al. 2018

≡Cereus acifer Otto ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 189. 1850 syn. sec. Sánchez 2021
≡Echinocereus acifer (Otto ex Salm-Dyck) J.N.Haage in Cacteen Verz.: 19. 1859 syn. sec. Sánchez 2021
≡Echinocereus acifer (Otto ex Salm-Dyck) Lem. in Rümpler, Handb. Cacteenk., ed. 2: 798. 1885 syn. sec. Sánchez 2021
≡Echinocereus triglochidiatus var. acifer (Otto ex Salm-Dyck) Bravo in Cact. Suc. Mex. 23: 66. 1978 syn. sec. Sánchez 2021
≡Echinocereus polyacanthus subsp. acifer (Otto ex Salm-Dyck) N.P.Taylor in Cactaceae Consensus Init. 3: 9. 1997 syn. sec. Sánchez 2021
≡Echinocereus triglochidiatus subsp. acifer (Otto ex Salm-Dyck) U.Guzmán in Cactaceae Syst. Init. 16: 17. 2003 syn. sec. Sánchez 2021
≡Echinocereus acifer subsp. acifer syn. sec. Sánchez 2021

=Echinopsis valida var. densa Regel in Gartenflora 1: 295. 1852 syn. sec. Sánchez 2021
≡Echinocereus polyacanthus var. densus (Regel) N.P.Taylor in Kew Mag. 1: 159. 1984 syn. sec. Sánchez 2021

=Echinocereus acifer var. brevispinulus Jacobi in Rümpler, Handb. Cacteenk., ed. 2: 798. 1885 syn. sec. Blum & al. 2018

=Echinocereus acifer var. tenuispinus Jacobi in Rümpler, Handb. Cacteenk., ed. 2: 798. 1885 syn. sec. Blum & al. 2018

=Echinocereus acifer var. trichacanthus Hildm. in Monatsschr. Kakteenk. 1: 44. 1891 syn. sec. Blum & al. 2018

=Echinocereus acifer subsp. tubiflorus W.Rischer, Echinocereus Monogr.: 1. 1998 syn. sec. Sánchez 2021

=Echinocereus acifer subsp. ventanensis W.Rischer in Echinocereenfreund 22: 63. 2009 syn. sec. Sánchez 2021

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