Echinocereus poselgeri Small, 1903 species doubtful

Echinocereus pulchellus var. amoenus (A.Dietr.) K.Schum. variety synonym

Cereus amoena (A.Dietr.) Hemsl. species synonym

Echinocereus roemeri Rümpler species synonym

Echinocereus pamanesiorum A.B.Lau species accepted

Echinocereus caespitosus var. minor (Engelm.) D.Weniger variety synonym

Echinocereus princeps C.F.Först. species doubtful

Cereus engelmannii var. albispinus Cels ex Orcutt variety synonym

Echinocereus pringlei Rose species doubtful

Echinocereus arizonicus Rose ex Orcutt species accepted

Echinocereus durangensis var. rufispinus Rümpler variety synonym

Echinocereus longisetus (Engelm.) Rümpler species synonym

Echinocereus fendleri (Engelm.) Small, 1903 species doubtful

Echinocereus primolanatus Fritz Schwarz ex N.P.Taylor species accepted

Echinocereus procumbens Rümpler species synonym

Echinocereus thurberi Rydb. species doubtful

Echinocereus melanocentrus Graessn. species synonym

Echinocereus clavatus Orcutt, 1926 species accepted

Echinocereus ortegae Rose ex J.G.Ortega species doubtful

Echinocereus papillosus Linke ex Haage species doubtful

Cereus maritimus M.E.Jones species synonym

Echinocereus stramineus (Engelm.) Haage species synonym

Echinocereus deppei K.Schum. species doubtful

Echinocereus malibranii Rebut species doubtful

Cereus poselgeri Lem. species synonym

Echinocereus platyacanthus Link & Otto species doubtful

Echinocereus reichenbachii (Terscheck) F.Haage ex Britton & Rose species accepted

Echinocereus liebnerianus Carp species doubtful

Echinocereus dubius Small, 1903 species accepted

Echinocereus bertinii hort. ex Schelle species accepted

Echinocereus series species accepted

Echinocereus arizonicus Rose species homotypic synonym

Echinocereus ×roetteri Engelm. species homotypic synonym

Echinocereus pulchellus (Mart.) Seitz species synonym

Echinocereus pentalophus (DC.) Engelm. ex Haage species accepted

Echinocereus ×roetteri Engelm. ex Rümpler species accepted

Echinocereus texensis Runge, 1894 species synonym

Cereus phoeniceus var. pacificus Engelm. ex Orcutt variety synonym

Echinocereus sanborgianus K.Schum. species synonym

Cereus engelmannii var. fulvispinus Cels ex Orcutt variety synonym

Cereus salm-dyckianus (Scheer) Hemsl. species heterotypic synonym

Echinocereus phoeniceus Rümpler species synonym

Echinocereus triglochidiatus var. pacificus (Engelm. ex Orcutt) W.T.Marshall, 1941 variety synonym

Wilcoxia roenleinii A.Cartier species doubtful

Echinocereus strausianus Haage Jr. species doubtful

Echinocereus berlandieri (Engelm.) Small, 1903 species synonym

Cereus mamillatus Engelm., 1896 species synonym

Echinocereus papillosus Linke, 1886 species synonym

Echinocereus boliviensis Poselger species doubtful

Echinocereus dahliaeflorus Moellers species doubtful

Echinocereus multicostatus Cels species synonym

Echinocereus conglomeratus C.F.Först. species homotypic synonym

Echinocereus bertinii hort. species homotypic synonym

Echinocereus primolanatus Fritz Schwarz species homotypic synonym

Cereus engelmannii Parry species homotypic synonym

Echinocereus jacobii hort. species homotypic synonym

Echinocereus bergeanus Hild. species homotypic synonym

Cereus engelmannii var. fulvispinus Cels variety homotypic synonym

Echinocereus engelmannii var. versicolor Miers variety synonym

Echinocereus viridiflorus var. viridiflorus variety synonym

Echinocereus persolutus C.F.Först. species doubtful

Echinocereus ×kunzei Gürke species accepted

Cereus engelmannii var. caespitosus Orcutt variety synonym

Echinocereus pectinatus var. crassispinus Runge ex Mathsson variety synonym

Echinocereus spachianus Rumpler species doubtful

Echinocereus triglochidiatus var. triglochidiatus variety synonym

Echinocereus bolansis Ruenge species doubtful

Echinocereus tuberosus Poselg. ex Rümpler species synonym

Echinocereus fendleri (Engelm.) Sencke ex J.N.Haage species accepted

Echinocereus galtieri Miers species doubtful

Echinocactus reichenbachii Terscheck ex Walp. species synonym

Echinocereus trockyi Bateman ex Lindl. species doubtful

Mammillaria fasciculata Engelm. ex S.Watson species synonym

Echinocereus marksianus Fritz Schwarz ex Backeb., 1966 species accepted

Echinocereus trichacanthus Wimm. species doubtful

Echinocereus ferreiranus H.E.Gates, 1953 species accepted

Echinocereus engelmannii subsp. magnursensis Berresf. & M.Terry subspecies synonym

Echinocereus stolonifer W.T.Marshall species accepted

Echinocereus felixianus H.Bauer species accepted

Echinocereus bakeri W.Blum, Oldach & J.Oldach species accepted

Echinocereus berlandieri (Engelm.) F.Haage species accepted

Echinocereus conglomeratus C.F.Först. ex Haag, 1860 species accepted

Echinocereus lindsayorum J.Meyrán, 1975 species accepted

Echinocereus relictus Wellard species accepted

Echinocereus barthelowianus Britton & Rose species accepted

Echinocereus llanurensis (Rutow) W.Blum & D.Felix, 2002 species accepted

Echinocereus procumbens (Engelm.) F.Seitz, 1870 species doubtful

Echinocereus amoenus (A.Dietr.) F.A.C.Weber species homotypic synonym

Echinocereus rigidissimus (Engelm.) Hirscht species accepted

Echinocereus tamaulipensis var. brevissima A.Cartier variety synonym

Echinocereus amoenus (A.Dietr.) F.A.C.Weber ex F.Haage species synonym

Echinocereus berlandieri (Engelm.) Rümpler, 1885 species synonym

Echinocereus stramineus subsp. conglomeratus (C.F.Först. ex K.Schum.) W.Blum subspecies synonym

Echinocereus ×roetteri var. neomexicanus (J.M.Coult.) A.D.Zimmerman ex W.Blum, Oldach & J.Oldach variety synonym

Echinocereus cinerascens (DC.) Haage species accepted

Echinocereus pulchellus C.F.Först. ex Haage, 1860 species doubtful

Echinocereus pentalophus (DC.) Rümpler species synonym

Echinocereus stramineus Engelm. species homotypic synonym

Echinocereus engelmannii (Parry ex Engelm.) F.Seitz, 1870 species doubtful

Echinocereus pentalophus (DC.) Engelm. species homotypic synonym

Echinopsis pulchella var. amoena (A.Dietr.) C.F.Först. variety synonym

Echinocereus conglomeratus C.F.Först. ex F.Seitz, 1870 species doubtful

Echinocereus arizonicus subsp. oldachiorum W.Blum & P.B.Breslin subspecies synonym

Wilcoxia schmollii var. lanata A.Cartier variety synonym

Echinocereus procumbens Haage, 1867 species doubtful

Echinocereus pulchellus C.F.Först. species homotypic synonym

Echinocereus sharpii (N.P.Taylor) Dan.Sánchez & Gómez-Quint. species accepted

Echinocereus acanthosetus (S.Arias & U.Guzmán) Gómez-Quint. & Dan.Sánchez species accepted

Echinocereus davisiae Houghton species accepted

Echinocereus merkei Hildm.Ex Schum. species accepted

Echinocereus boycethompsoniae var. bonkerae (Thornber & Bonker) Peebles variety synonym

Echinocereus rigidissimus Engelm. species doubtful

Echinocereus cinerascens (DC.) Rümpler species synonym

Echinocereus engelmannii subsp. porphyrogenitus M.H.J.van der Meer subspecies synonym

Echinocereus engelmannii subsp. xiphizon M.H.J.van der Meer subspecies synonym

Echinocereus viridiflorus var. davisiae (Houghton) W.T.Marshall variety synonym

Echinocereus fendleri var. boycethompsoniae (Orcutt) L.D.Benson variety synonym

Echinocereus fasciculatus var. boycethompsoniae (Orcutt) L.D.Benson variety synonym

Echinocereus pulchellus var. amoenus E.Forst. variety synonym

Echinocereus berlandieri (Engelm.) Parm. species synonym

Echinocereus viridiflorus var. davisiae Backeb. variety synonym

Echinocereus boycethompsoniae Orcutt species synonym

Echinocereus fasciculatus subsp. boycethompsoniae (Orcutt) N.P.Taylor subspecies synonym

Echinocereus viridiflorus subsp. davisiae (Houghton) N.P.Taylor subspecies synonym

Echinocereus parkeri var. gonzaleziae N.P.Taylor variety synonym

Echinocereus krausei DeSmet species synonym

Echinocereus chisoensis W.T.Marshall species accepted

Echinocereus papillosus Linke ex C.F.Först. & Rümpler species accepted

Echinocereus pseudopectinatus (N.P.Taylor) N.P.Taylor species accepted

Echinocereus bristolii var. pseudopectinatus N.P.Taylor variety synonym

Echinocereus enneacanthus Engelm. species accepted

Echinocereus chisosensis W.T.Marshall species accepted

Echinocereus engelmannii (Parry ex Engelm.) Lem. species accepted

Echinocereus triglochidiatus Engelm. species accepted

Echinocereus russanthus D.Weniger species accepted

Echinocereus chloranthus var. russanthus (D.Weniger) J.G.Lamb. ex Rowley variety synonym

Echinocereus berlandieri (Engelm.) J.N.Haage species synonym

Echinocereus berlandieri var. blankii (Poselg.) P.Fourn. variety synonym

Echinocereus coccineus (Engelm.) Engelm. species accepted

Echinocereus polyacanthus Engelm. species accepted

Echinocereus pentalophus (DC.) Lem. species doubtful

Echinocereus viridiflorus Engelm. species accepted

Echinocereus dasyacanthus Engelm. species accepted

Echinocereus pectinatus var. neomexicanus (J.M.Coult.) L.D.Benson variety synonym

Echinocereus nicholii (L.D.Benson) B.D.Parfitt species accepted

Echinocereus engelmannii var. nicholii L.D.Benson variety synonym

Echinocereus poselgeri Lem. species accepted

Echinocereus stramineus (Engelm.) F.Seitz species synonym

Echinocereus enneacanthus var. stramineus (Engelm.) L.D.Benson variety synonym

Echinocereus fendleri (Engelm.) F.Seitz species doubtful

Echinocereus pectinatus (Scheidw.) Engelm. species accepted

Echinocereus ×lloydii Britton & Rose species synonym

Echinocactus pectiniferus var. laevior Lem. variety synonym

Morangaya pensilis (K.Brandegee) G.D.Rowley species synonym

Pilocereus engelmannii (Parry ex Engelm.) Lem. species synonym

Echinonyctanthus pulchellus (Pfeiff.) Lem. species synonym

Echinocereus yavapaiensis M.A.Baker species accepted

Echinocereus weinbergii Weing. species accepted

Echinocereus websterianus G.E.Linds. species accepted

Echinocereus waldeisii Haugg species accepted

Echinocereus viridiflorus var. weedinii (Leuck ex W.Blum & Mich.Lange) A.D.Zimmerman variety proparte synonym

Echinocereus viridiflorus var. russanthus (D.Weniger) A.D.Zimmerman variety synonym

Echinocereus triglochidiatus var. arizonicus (Rose ex Orcutt) L.D.Benson variety synonym

Echinocereus trichacanthus Engelm. ex Haage species accepted

Echinocereus tamaulipensis subsp. waldeisii (Haugg) Mich.Lange subspecies synonym

Echinocereus tamaulipensis subsp. deherdtii Mich.Lange subspecies synonym

Echinocereus strausiana F.Haage, 1900 species accepted

Echinocereus stramineus var. conglomeratus (Foerster) Bravo variety synonym

Echinocereus spinigemmatus A.B.Lau species accepted

Echinocereus scopulorum subsp. pseudopectinatus (N.P.Taylor) W.Blum & Mich.Lange subspecies synonym

Echinocereus schmollii (Weing.) N.P.Taylor species accepted

Echinocereus schereri G.Frank species accepted

Echinocereus scheeri var. salm-dyckianus (Scheer) Lodé variety synonym

Echinocereus scheeri subsp. obscuriensis (A.B.Lau) U.Guzmán subspecies synonym

Echinocereus salm-dyckianus subsp. obscuriensis (A.B.Lau) W.Blum subspecies synonym

Echinocereus salm-dyckianus var. noctiflorus Heid variety synonym

Echinocereus russanthus subsp. weedinii Leuck ex W.Blum & Mich.Lange subspecies proparte synonym

Echinocereus russanthus subsp. fiehnii (Trocha) W.Blum & Mich.Lange subspecies synonym

Echinocereus rungei K.Schum. species synonym

Echinocereus ×roetteri var. neomexicanus (J.M.Coult.) A.D.Zimmerman variety synonym

Echinocereus rigidispinus (Muehlenpf.) Engelm. ex Haage species doubtful

Echinocereus reichii Frič species doubtful

Echinocereus reichenbachii var. chisosensis (W.T.Marshall) L.D.Benson variety homotypic synonym

Echinocereus reichenbachianus Engelm. ex Haage species accepted

Echinocereus pulchellus subsp. sladkovskyi Halda & Kupcák subspecies synonym

Echinocereus pulchellus subsp. sharpii (N.P.Taylor) N.P.Taylor subspecies synonym

Echinocereus pulchellus var. costatus Halda, Kupcák & Sladk. variety synonym

Echinocereus pulchellus var. amoenus (A.Dietr.) Kelsey & Dayton variety synonym

Echinocereus pulchellus subsp. acanthosetus (S.Arias & U.Guzmán) N.P.Taylor subspecies synonym

Echinocereus primolanatus Fritz Schwarz ex Backeb. species synonym

Echinocereus poselgerianus Linke species synonym

Echinocereus poselgeri subsp. kroenleinii (A.Cartier) Mich.Lange subspecies synonym

Echinocereus polypus Frič species accepted

Echinocereus pensilis (K.Brandegee) J.A.Purpus species accepted

Echinocereus penicilliformis Linke species doubtful

Echinocereus pectinatus var. bristolii (W.T.Marshall) W.T.Marshall variety synonym

Echinocereus pectinatus var. armatus Poselg. variety synonym

Echinocereus pectinatus var. adustus (Engelm.) K.Schum. variety synonym

Echinocereus papillosus var. angusticeps (Clover) W.T.Marshall variety synonym

Echinocereus orcuttii Rose species homotypic synonym

Echinocereus occidentalis (N.P.Taylor) W.Rischer, S.Breckw. & Breckw. species accepted

Echinocereus nivosus Glass & R.A.Foster species accepted

Echinocereus nicholii subsp. llanuraensis Rutow subspecies synonym

Echinocereus ×neomexicanus Standl. species accepted

Echinocereus multicostatus Cels ex Rümpler, 1886 species accepted

Echinocereus matudae Bravo species synonym

Echinocereus maritimus var. hancockii (E.Y.Dawson) N.P.Taylor variety synonym

Echinocereus mapimiensis E.F.Anderson, W.C.Hodgs. & P.Quirk species accepted

Echinocereus mamillatus (Engelm.) Britton & Rose species synonym

Echinocereus longisetus var. albatus (Backeb.) W.Sterk variety synonym

Echinocereus llanuraensis (Rutow) W.Blum & D.Felix species synonym

Echinocereus limensis Rumpler species doubtful

Echinocereus leucanthus N.P.Taylor species accepted

Echinocereus leptophus Graessner species accepted

Echinocereus leeanus Lem. species synonym

Echinocereus ledingii Peebles species accepted

Echinocereus laui G.Frank species accepted

Echinocereus labouretianus Lem. species doubtful

Echinocereus labouretii Rümpler, 1886 species accepted

Echinocereus kroenleinii (Mich.Lange) W.Blum & Waldeis species accepted

Echinocereus knippelianus subsp. reyesii (A.B.Lau) W.Blum & Mich.Lange subspecies synonym

Echinocereus knippelianus subsp. kruegeri (Glass & R.A.Foster) W.Blum & Mich.Lange subspecies synonym

Echinocereus knippelianus subsp. kaplani Halda & Sladk. subspecies synonym

Echinocereus jacobii hort. ex Schelle species accepted

Echinocereus inermis Haage ex Hirscht species synonym

Echinocereus havermansii Rebut ex K.Schum., 1898 species accepted

Echinocereus hancockii E.Y.Dawson species synonym

Echinocereus grandis Britton & Rose species accepted

Echinocereus freudenbergii G.Frank species accepted

Echinocereus flaviflorus (Engelm. ex J.M.Coult.) species synonym

Echinocereus fendleri var. ledingii (Peebles) N.P.Taylor variety synonym

Echinocereus enneacanthus var. conglomeratus (C.F.Först. ex K.Schum.) L.D.Benson variety synonym

Echinocereus engelmannii subsp. llanuraensis (Rutow) Felger subspecies synonym

Echinocereus engelmannii var. armatus L.D.Benson variety synonym

Echinocereus durangensis Rümpler species synonym

Echinocereus datae Laferr., 1997 species accepted

Echinocereus conglomeratus Mathsson species synonym

Echinocereus coccineus var. kunzei (Gürke) Backeb. variety synonym

Echinocereus coccineus var. arizonicus (Rose ex Orcutt) D.J.Ferguson variety synonym

Echinocereus cirrhiferus (Labour.) J.N.Haage species synonym

Echinocereus choranthus var. russanthus (D.Weniger) J.G.Lamb. variety synonym

Echinocereus brandegeei var. sanborgianus (J.M.Coult.) Lodé variety synonym

Echinocereus bonkerae Thornber & Bonker species accepted

Echinocereus blankii (Poselg.) F.Palmer species synonym

Echinocereus blanckii var. papillosus (Linke ex C.F.Först. & Rümpler) L.D.Benson variety synonym

Echinocereus bicolor Galeotti ex Wien. species accepted

Echinocereus berlandieri var. poselgerianus (Linke) Lodé variety synonym

Echinocereus berlandieri var. papillosus (Linke ex Rümpler) L.D.Benson variety synonym

Echinocereus berlandieri var. angusticeps (Clover) L.D.Benson variety synonym

Echinocereus bergeanus Hild. ex Orcutt, 1926 species accepted

Echinocereus barthelowanus Britton & Rose species accepted

Echinocereus barcena Rebut ex Hirscht species accepted

Echinocereus barcelona Britton & Rose, 1923 species accepted

Echinocereus arizonicus subsp. nigrihorridispinus W.Blum & Rutow subspecies synonym

Echinocereus arizonicus subsp. matudae (Bravo) Rutow subspecies synonym

Echinocereus angusticeps Clover species synonym

Echinocereus albatus Backeb. species heterotypic synonym

Echinocactus pulchellus Mart. species synonym

Echinocactus pectiniferus Lem. species synonym

Wilcoxia tamaulipensis Werderm. species synonym

Wilcoxia schmollii (Weing.) Backeb. species synonym

Cereus engelmannii Parry ex Engelm. species synonym

Echinocereus whipplei species accepted

Echinocereus viereckii Werderm. species accepted

Echinocereus tamaulipensis (Werderm.) Mich.Lange species synonym

Echinocereus subinermis Salm-Dyck ex Scheer species accepted

Echinocereus stramineus subsp. stramineus subspecies synonym

Echinocereus stramineus var. stramineus variety synonym

Echinocereus stoloniferus W.T.Marshall species accepted

Echinocereus stoloniferus subsp. stoloniferus subspecies synonym

Echinocereus scopulorum Britton & Rose species accepted

Echinocereus sciurus (K.Brandegee) Britton & Rose species accepted

Echinocereus scheeri (Salm-Dyck) Scheer species accepted

Echinocereus salm-dyckianus Scheer species accepted

Echinocereus russanthus subsp. russanthus subspecies synonym

Echinocereus rigidissimus var. rigidissimus variety synonym

Echinocereus pulchellus (Mart.) K.Schum. species accepted

Echinocereus pulchellus subsp. pulchellus subspecies synonym

Echinocereus procumbens Small, 1903 species accepted

Echinocereus polycephalus Britton & Rose species doubtful

Echinocereus polyacanthus subsp. polyacanthus subspecies synonym

Echinocereus parkeri N.P.Taylor species accepted

Echinocereus pamanesii A.B.Lau, 1981 species accepted

Echinocereus palmeri Britton & Rose species accepted

Echinocereus pacificus (Engelm.) Britton & Rose species accepted

Echinocereus ortegae Rose species accepted

Echinocereus nicholii subsp. nicholii subspecies synonym

Echinocereus maritimus (M.E.Jones) K.Schum. species accepted

Echinocereus maritimus subsp. maritimus subspecies synonym

Echinocereus longisetus (Engelm.) Lem. species accepted

Echinocereus leeanus (Hook.) Lem. ex Rümpler species synonym

Echinocereus knippelianus Liebner species accepted

Echinocereus knippelianus subsp. knippelianus subspecies synonym

Echinocereus ferreirianus H.E.Gates species accepted

Echinocereus cinerascens (DC.) Lem. species doubtful

Echinocereus bristolii W.T.Marshall species accepted

Echinocereus brandegeei (J.M.Coult.) Schelle species accepted

Echinocereus adustus Engelm. species accepted

Echinocereus salmianus Rümpler species synonym

Echinocereus grahamii Teijsm. & Binn. species doubtful

Echinocereus subinermis var. luteus (Britton & Rose) Backeb. variety synonym

Echinocereus pentalophus (DC.) H.P.Kelsey & Dayton, 1942 species doubtful

Echinocereus pleiogonus (Labour.) Croucher species synonym

Echinocereus pectinatus var. baueri Rother variety synonym

Echinocereus jacobyi K.Schum. species doubtful

Echinocereus knippelianus subsp. kruegeri (Glass & R.A.Foster) C.E.Glass subspecies synonym

Echinocereus sciurus (Brandegee) Dams species doubtful

Echinocereus ehrenbergii (Pfeiff.) Rümpler species synonym

Echinocereus ×roetteri var. lloydii (Britton & Rose) Backeb. variety synonym

Echinocereus thwaitesii K.Schum. species doubtful

Echinocereus pulchellus var. amoenus C.F.Först. variety synonym

Wilcoxia tuberosa Kreuz. species heterotypic synonym

Wilcoxia tamaulipensis var. brevissima A.Cartier variety synonym

Wilcoxia tamaulipensis var. brevispina A.Cartier variety synonym

Cereus stramineus Engelm. species synonym

Wilcoxia nerispina A.Cartier species synonym

Wilcoxia kroenleinii A.Cartier species synonym

Wilcoxia albiflora Backeb. species synonym

Cereus schmollii Weing. species synonym

Cereus sanborgianus J.M.Coult. species synonym

Cereus ×roetteri Engelm. species synonym

Cereus pulchellus Pfeiff. species synonym

Cereus poselgerianus (Linke) A.Berger species synonym

Cereus polyacanthus Engelm. species synonym

Cereus pleiogonus Labour. species synonym

Cereus pensilis K.Brandegee species synonym

Cereus pectiniferus Labour. species synonym

Cereus pectinatus var. armatus Poselg. ex Engelm., 1853 variety synonym

Cereus papillosus (Linke ex C.F.Först. & Rümpler) A.Berger species synonym

Cereus pacificus J.M.Coult. species synonym

Cereus neomexicanus (Standl.) Tidestr. species synonym

Cereus maritimus Coult. species synonym

Cereus mamillatus Engelm. ex J.M.Coult. species synonym

Cereus leeanus Hook. species synonym

Cereus knippelianus (Liebner) Orcutt species synonym

Echinopsis amoena A.Dietr. species synonym

Cereus flaviflorus Engelm. ex J.M.Coult. species synonym

Cereus dasyacanthus var. neomexicanus J.M.Coult. variety synonym

Cereus conglomeratus (C.F.Först. ex K.Schum.) A.Berger species synonym

Cereus brandegeei J.M.Coult. species synonym

Cereus berlandieri Engelm. species synonym

Echinocereus cinerascens (DC.) H.P.Kelsey & Dayton species doubtful

Echinocereus engelmannii var. robustior Hildm. variety synonym

Cereus flaviflorus Engelm., 1896 species synonym

Echinocereus tamaulipensis Frič species accepted

Echinocereus poselgeri subsp. gerhardii Waldeis, W.Blum & D.Felix subspecies synonym

Echinocereus durangensis var. nigrispinus Rümpler variety synonym

Echinocereus brandegeei (J.M.Coult.) K.Schum. species doubtful

Cereus engelmannii var. pfersdorffii Heiden ex Orcutt variety synonym

Echinocereus raphicephalus C.F.Först. species doubtful

Echinocereus pectinatus var. tamaulipensis Fric ex Schelle variety synonym

Echinopsis pulchella Zucc. ex C.F.Först. species synonym

Wilcoxia tuberosa (Poselg.) A.Berger species synonym

Morangaya pensilis (K.Brandegee) Donald species synonym

Echinocereus mamillosus Rumpler species doubtful

Echinocereus conglomeratus C.F.Först. ex K.Schum. species synonym

Echinocereus orcuttii Rose ex Orcutt species synonym

Echinocereus pulchellus subsp. acanthosetus (S.Arias & U.Guzmán) W.Blum subspecies synonym

Echinocereus berlandieri (Engelm.) Palm species synonym

Echinocereus stramineus Engelm. ex Rümpler species accepted

Echinocereus blanckii var. angusticeps (Clover) L.D.Benson variety synonym

Echinocereus chloranthus Rümpler species synonym

Echinocereus havermansii Rebut species doubtful

Wilcoxia schmollii (Weing.) F.M.Knuth species synonym

Echinocereus chloranthus var. russanthus (D.Weniger) J.G.Lamb. variety homotypic synonym

Echinocereus scheeri (Salm-Dyck) Rümpler species synonym

Echinocereus triglochidiatus var. neomexicanus (Standl.) W.T.Marshall variety synonym

Echinocereus polyacanthus var. neomexicanus (Standl.) L.D.Benson variety homotypic synonym

Echinocereus blankii var. angusticeps (Clover) L.D.Benson variety synonym

Cereus blankii Poselg. species synonym

Cereus poselgeri (Lem.) J.M.Coult. species synonym

Cereus tuberosus Poselg. species heterotypic synonym

Wilcoxia poselgeri (Lem.) Britton & Rose species synonym

Echinocereus zapalinamensis W.Blum & J.Flores Ventura species accepted

Echinocereus fendleri (Engelm.) Rümpler species doubtful

Cereus papillosus (Link) L.D.Benson species synonym

Echinocereus pectinatus var. texensis Rümpler variety synonym

Echinocereus leeanus var. multicostatus (Cels) K.Schum. variety synonym

Echinocereus rigidissimus (Engelm.) Haage species doubtful

Echinocereus knippelianus subsp. klapanii Halda & Sladk. subspecies synonym

Echinocereus trichacanthus Engelm. species homotypic synonym

Echinocereus pectinatus var. crassispinus Runge variety homotypic synonym

Echinocereus pectinatus var. tamaulipensis Fric variety homotypic synonym

Echinocereus subinermis Salm-Dyck species homotypic synonym

Echinocereus tuberosus Poselg. species homotypic synonym

Echinocereus reichenbachii (Terscheck) Haage species doubtful

Echinocereus trockyi Bateman species homotypic synonym

Cereus engelmannii var. albispinus Cels variety homotypic synonym

Echinocereus fendleri (Engelm.) Sencke species homotypic synonym

Echinopsis pulchella Zucc. species homotypic synonym

Echinocereus triglochidiatus var. polyacanthus (Engelm.) L.D.Benson variety synonym

Echinocereus amoenus (Diels) K.Schum. species synonym

Echinocereus rigidispinus (Muehlenpf.) Engelm. species homotypic synonym

Echinocereus reichenbachianus Engelm. species homotypic synonym

Cereus engelmannii var. pfersdorffii Heiden variety homotypic synonym

Echinocereus russanthus subsp. weedinii Leuck subspecies homotypic synonym

Echinocereus ochoterenae J.F.Ortega, 1928 species accepted

Echinocereus polyacanthus var. neomexicanus (Standl.) D.Weniger variety homotypic synonym

Echinocereus acifer var. durangensis Hort variety synonym

Echinocereus propinquus Bremek. species doubtful

Echinocereus acifer (Otto ex Salm-Dyck) Haage species accepted

Echinocereus engelmannii (Parry ex Engelm.) Rümpler species synonym

Echinocereus inermis Haage Jr. species doubtful

Echinocereus triglochidiatus subsp. polyacanthus (Engelm.) U.Guzmán subspecies synonym

Echinocereus scheeri var. obscuriensis A.B.Lau variety synonym

Echinocereus salm-dyckianus f. obscuriensis (A.B.Lau) W.Rischer & Trocha form synonym

Echinocereus russanthus var. fiehnii Trocha variety synonym

Echinocereus pulchellus var. sharpii N.P.Taylor variety synonym

Echinocereus pulchellus var. acanthosetus S.Arias & U.Guzmán variety synonym

Echinocereus maritimus subsp. hancockii (E.Y.Dawson) W.Blum & Rutow subspecies synonym

Echinocereus knippelianus var. reyesii A.B.Lau variety synonym

Echinocereus knippelianus var. kruegeri Glass & R.A.Foster variety synonym

Echinocereus fasciculatus (Engelm.) L.D.Benson species accepted

Echinocereus papillosus var. papillosus variety synonym

Echinocereus reichenbachii var. reichenbachii variety synonym

Echinocereus engelmannii var. engelmannii variety synonym

Echinocereus pectinatus var. pectinatus variety synonym