The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

No plant names match your search for echinocereus engelmanii; we will try Echinocereus instead.

543 plant name records match your search criteria Echinocereus. The results are below.

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source
Echinocereus abbeae Parsons Synonym M WCSP (in review)
Echinocereus acifer (Otto ex Salm-Dyck) J.N.Haage Synonym M WCSP (in review)
Echinocereus acifer (Otto) Lemaire in Forster Synonym M TRO
Echinocereus acifer var. diversispinus K.Schum. Synonym L WCSP (in review)
Echinocereus acifer var. durangensis K. Schum. Synonym L TRO
Echinocereus acifer subsp. huitcholensis (F.A.C.Weber) Mich.Lange Synonym L WCSP (in review)
Echinocereus acifer subsp. topiensis (W.Rischer & Trocha) W.Rischer Synonym L WCSP (in review)
Echinocereus acifer var. trichacanthus Hildm. Synonym L WCSP (in review)
Echinocereus acifer subsp. tubiflorus W.Rischer Synonym L WCSP (in review)
Echinocereus adustus Engelm. Accepted M WCSP (in review)
Echinocereus adustus subsp. bonatzii (R.C.Römer) N.P.Taylor Synonym L WCSP (in review)
Echinocereus adustus var. schwarzii (A.B.Lau) N.P.Taylor Synonym L WCSP (in review)
Echinocereus adustus subsp. schwarzii (A.B.Lau) N.P.Taylor Accepted L WCSP (in review)
Echinocereus aggregatus (Engelm.) Rydb. [Illegitimate] Synonym M WCSP (in review)
Echinocereus albatus Backeb. [Invalid] Synonym M WCSP (in review)
Echinocereus albiflorus Weing. Synonym M WCSP (in review)
Echinocereus albispinus Lahman Synonym M WCSP (in review)
Echinocereus amoenus (Diels) K.Schum. Synonym M WCSP (in review)
Echinocereus angusticeps Clover Synonym M WCSP (in review)
Echinocereus apachensis W.Blum & Rutow Accepted M WCSP (in review)
Echinocereus arizonicus Rose ex Orcutt Synonym M WCSP (in review)
Echinocereus arizonicus subsp. matudae (Bravo) Rutow Synonym L WCSP (in review)
Echinocereus arizonicus subsp. nigrihorridispinus W.Blum & Rutow Synonym L WCSP (in review)
Echinocereus armatusatus (Poselg.) A.Berger Synonym M WCSP (in review)
Echinocereus baileyi Rose Synonym M WCSP (in review)
Echinocereus baileyi var. albispinus (Lahman) Backeb. Synonym L WCSP (in review)
Echinocereus baileyi var. caespiticus Backeb. Synonym L WCSP (in review)
Echinocereus barcena Rebut ex A.Berger Synonym M WCSP (in review)
Echinocereus barthelowanus Britton & Rose Accepted M WCSP (in review)
Echinocereus berlanderi var. blankii (Poselg.) P.Fourn. Synonym L WCSP (in review)
Echinocereus berlandieri (Engelm.) J.N.Haage Accepted M WCSP (in review)
Echinocereus berlandieri (Engelm.) Rumpler Synonym M TRO
Echinocereus berlandieri var. angusticeps (Clover) L.D.Benson Synonym L WCSP (in review)
Echinocereus berlandieri var. blanckii (Poselg.) P.Fourn. Synonym L WCSP (in review)
Echinocereus berlandieri var. papillosus (Linke ex Rumpler) L.D.Benson Synonym L WCSP (in review)
Echinocereus berlandieri var. poselgerianus (Linke) Lodé Synonym L WCSP (in review)
Echinocereus bertinii (Cels) Walton Synonym M WCSP (in review)
Echinocereus bicolor Galeotti ex Pfeiff. Synonym L TRO
Echinocereus blanckii (Poselg.) Palmer Synonym L WCSP (in review)
Echinocereus blanckii var. angusticeps L.D. Benson Synonym L TRO
Echinocereus blanckii var. papillosus (Linke ex C.F.Först. & Rümpler) L.D.Benson Synonym L WCSP (in review)
Echinocereus bolansis Ruenge Unresolved L TRO
Echinocereus boliviensis Poselger Unresolved L TRO
Echinocereus bonatzii R.C.Römer Synonym M WCSP (in review)
Echinocereus bonatzii R.C. Roemer Synonym M TRO
Echinocereus bonkerae Thornber & Bonker Synonym M WCSP (in review)
Echinocereus boyce-thompsonii Orcutt Synonym M WCSP (in review)
Echinocereus boyce-thompsonii var. bonkerae (Thornber & Bonker) Peebles Synonym L TRO
Echinocereus brandegeei (J.M.Coult.) Schelle Accepted M WCSP (in review)
Echinocereus brandegeei (J.M. Coult.) K. Schum. Synonym M TRO
Echinocereus brandegeei var. sanborgianus (J.M. Coult.) Lode Synonym L TRO
Echinocereus bristolii W.T.Marshall Accepted M WCSP (in review)
Echinocereus bristolii subsp. floresii (Backeb.) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus bristolii var. pseudopectinatus N.P.Taylor Synonym L WCSP (in review)
Echinocereus caespitosus (Engelm.) Engelm. Synonym M WCSP (in review)
Echinocereus caespitosus f. castaneus (Engelm.) Borg Synonym L WCSP (in review)
Echinocereus candicans (Gillies & Salm-Dyck) Lem. Synonym M WCSP (in review)
Echinocereus candicans (Gillies in Salm-Dyck.) Rumpler ex C.F. Först. Synonym M TRO
Echinocereus canyonensis Clover & Jotter Synonym M WCSP (in review)
Echinocereus carmenensis W.Blum, Mich.Lange & Scherer Synonym M WCSP (in review)
Echinocereus carnosus Rümpler Synonym L WCSP (in review)
Echinocereus castaneus (Engelm.) Orcutt Synonym M WCSP (in review)
Echinocereus centralis (Coult.) Rose Unresolved L WCSP (in review)
Echinocereus chiloensis (Colla) Console & Lem. Synonym L WCSP (in review)
Echinocereus chisoensis W.T.Marshall Accepted M WCSP (in review)
Echinocereus chisoensis Unresolved L TRO
Echinocereus chisoensis var. fobeanus (Oehme) N.P.Taylor Accepted L WCSP (in review)
Echinocereus chisosensis subsp. fobeanus (Oehme) N.P.Taylor Synonym L WCSP (in review)
Echinocereus chloranthus (Engelm.) J.N.Haage Accepted M WCSP (in review)
Echinocereus chloranthus Haage Synonym M TRO
Echinocereus chloranthus Rumpler Synonym M TRO
Echinocereus chloranthus var. cylindricus (Engelm.) N.P.Taylor Accepted L WCSP (in review)
Echinocereus chloranthus subsp. cylindricus (Engelm.) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus chloranthus subsp. rhyolithensis W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus chloranthus var. russanthus (Weniger) Lamb. ex Rowley Synonym L WCSP (in review)
Echinocereus chlorophthalmus (Hook.) Britton & Rose Synonym L WCSP (in review)
Echinocereus choranthus var. russanthus (Weniger) J.G.Lamb. Synonym L WCSP (in review)
Echinocereus chrysocentrus (Engelm. & J.M.Bigelow) Orcutt Unresolved L WCSP (in review)
Echinocereus cinerascens (DC.) Lem. Accepted L WCSP (in review)
Echinocereus cinerascens (DC.) Rumpler Synonym L TRO
Echinocereus cinerascens subsp. cinerascens Accepted L TRO
Echinocereus cinerascens var. ehrenbergii (Pfeiff.) Bravo Accepted L WCSP (in review)
Echinocereus cinerascens subsp. ehrenbergii (Pfeiff.) W.Blum & Rutow Synonym L WCSP (in review)
Echinocereus cinerascens var. septentrionalis N.P.Taylor Accepted L WCSP (in review)
Echinocereus cinerascens subsp. septentrionalis (N.P.Taylor) N.P.Taylor Synonym L WCSP (in review)
Echinocereus cinerascens var. tulensis (Bravo) N.P.Taylor Accepted L WCSP (in review)
Echinocereus cinerascens subsp. tulensis (Bravo) N.P.Taylor Synonym L WCSP (in review)
Echinocereus cinnabarinus (Hook.) K.Schum. Synonym M WCSP (in review)
Echinocereus cirrhiferus (Labour.) J.N.Haage Synonym L WCSP (in review)
Echinocereus clavatus K.Schum. Synonym M WCSP (in review)
Echinocereus claviformis J.N.Haage Unresolved L WCSP (in review)
Echinocereus coccineus Engelm. Accepted M WCSP (in review)
Echinocereus coccineus subsp. aggregatus (Engelm. ex S.Watson) W.Blum, Mich.Lange & Rutow Synonym L WCSP (in review)
Echinocereus coccineus var. arizonicus (Rose ex Orcutt) D.J.Ferguson Synonym L WCSP (in review)
Echinocereus coccineus var. gurneyi (L.D.Benson) K.D.Heil & S.Brack Synonym L WCSP (in review)
Echinocereus coccineus var. inermis (K.Schum.) J.A.Purpus Synonym L WCSP (in review)
Echinocereus coccineus var. kunzei (Gürke) Backeb. Synonym L WCSP (in review)
Echinocereus coccineus subsp. mojavensis (Engelm. & J.M.Bigelow) N.P.Taylor Synonym L WCSP (in review)
Echinocereus coccineus var. octacanthus (Muehlenpf.) Boissev. Synonym L WCSP (in review)
Echinocereus coccineus var. paucispinus (Engelm.) D.J.Ferguson Synonym L WCSP (in review)
Echinocereus coccineus subsp. roemeri (Muehlenpf.) W.Blum, Mich.Lange & Rutow Synonym L WCSP (in review)
Echinocereus coccineus subsp. rosei (Wooton & Standl.) W.Blum & Rutow Synonym L WCSP (in review)
Echinocereus coccineus var. rosei (Wooton & Standl.) A.D.Zimmerman Unresolved L WCSP (in review)
Echinocereus conglomeratus Mathsson Synonym M WCSP (in review)
Echinocereus conoideus (Engelm.) auct. Synonym M WCSP (in review)
Echinocereus conoideus (Engelm. & J.M. Bigelow) Rumpler Synonym M TRO
Echinocereus conoideus var. cristata Houghton Synonym L WCSP (in review)
Echinocereus ctenoides (Engelm.) Rümpler Synonym M WCSP (in review)
Echinocereus cucumis Werderm. Synonym M WCSP (in review)
Echinocereus dahliaeflorus Moellers Unresolved L TRO
Echinocereus dasyacanthus Engelm. Accepted M WCSP (in review)
Echinocereus dasyacanthus var. ctenoides (Engelm.) Backeb. Synonym L WCSP (in review)
Echinocereus dasyacanthus var. rectispinus Trocha & Fethke Synonym L WCSP (in review)
Echinocereus dasyacanthus subsp. rectispinus (Trocha & Fethke) W.Blum, W.Rischer & Rutow Synonym L WCSP (in review)
Echinocereus dasyacanthus var. rectispinus Trocha Synonym L TRO
Echinocereus dasyacanthus var. rigidissimus (Engelm.) W.T.Marshall Synonym L WCSP (in review)
Echinocereus davisii Houghton Synonym M WCSP (in review)
Echinocereus decumbens Clover & Jotter Synonym M WCSP (in review)
Echinocereus degandii Unresolved L TRO
Echinocereus delaetii (Gürke) Gürke Accepted M WCSP (in review)
Echinocereus delaetii var. freudenbergeri (G.Frank) N.P.Taylor Accepted L WCSP (in review)
Echinocereus deppei K. Schum. Unresolved L TRO
Echinocereus dubius (Engelm.) Engelm. ex Rümpler Synonym M WCSP (in review)
Echinocereus durangensis Rumpler Synonym M TRO
Echinocereus ehrenbergii (Pfeiff.) Engelm. ex J.N.Haage Synonym M WCSP (in review)
Echinocereus ehrenbergii (Pfeiff.) Rumpler Synonym M TRO
Echinocereus emoryi (Engelm.) Rumpler Synonym L TRO
Echinocereus engelmannii (Parry ex Engelm.) Lem. Accepted M WCSP (in review)
Echinocereus engelmannii (Parry ex Engelm.) Rumpler Synonym M TRO
Echinocereus engelmannii var. chrysocentrus (Engelm. & J.M.Bigelow) Rümpler Accepted L WCSP (in review)
Echinocereus engelmannii var. decumbens (Clover & Jotter) L.D.Benson Synonym L WCSP (in review)
Echinocereus engelmannii subsp. decumbens (Clover & Jotter) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus engelmannii subsp. fasciculatus (Engelm. ex S.Watson) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus engelmannii subsp. llanuraensis (Rutow) Felger Synonym L WCSP (in review)
Echinocereus engelmannii var. munzii (Parish) Pierce & Fosberg Accepted L WCSP (in review)
Echinocereus engelmannii var. nicholii L.D.Benson Synonym L WCSP (in review)
Echinocereus engelmannii var. variegatus (Engelm. & J.M.Bigelow) Rümpler Accepted L WCSP (in review)
Echinocereus engelmannii subsp. variegatus (Engelm. & J.M.Bigelow) E.Lutz Synonym L WCSP (in review)
Echinocereus enneacanthus Engelm. Accepted M WCSP (in review)
Echinocereus enneacanthus f. brevispinus W.O.Moore Synonym L WCSP (in review)
Echinocereus enneacanthus var. brevispinus (W.O.Moore) L.D.Benson Synonym L WCSP (in review)
Echinocereus enneacanthus subsp. brevispinus (W.O.Moore) N.P.Taylor Accepted L WCSP (in review)
Echinocereus enneacanthus var. carnosus (Rümpler) Quehl Synonym L WCSP (in review)
Echinocereus enneacanthus var. conglomeratus (C.F.Först. ex K.Schum.) L.D.Benson Synonym L WCSP (in review)
Echinocereus enneacanthus var. dubius (Engelm.) L.D.Benson Synonym L WCSP (in review)
Echinocereus enneacanthus f. intermedius W.O.Moore Synonym L WCSP (in review)
Echinocereus enneacanthus var. stramineus (Engelm.) L.D.Benson Synonym L WCSP (in review)
Echinocereus fasciculatus (Engelm. ex B.D.Jacks.) L.D.Benson Accepted M WCSP (in review)
Echinocereus fasciculatus var. bonkerae (Thornber & Bonker) L.D.Benson Accepted L WCSP (in review)
Echinocereus fasciculatus subsp. bonkerae (Thornber & Bonker) N.P.Taylor Synonym L WCSP (in review)
Echinocereus fasciculatus var. boyce-thompsonii (Orcutt) L.D.Benson Accepted L WCSP (in review)
Echinocereus fasciculatus subsp. boyce-thompsonii (Orcutt) N.P.Taylor Synonym L WCSP (in review)
Echinocereus fendleri (Engelm.) Rümpler Accepted M WCSP (in review)
Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage Synonym M TRO
Echinocereus fendleri var. albiflorus (Weing.) Backeb. Synonym L WCSP (in review)
Echinocereus fendleri var. bonkerae (Thornber & Bonker) L.D.Benson Synonym L WCSP (in review)
Echinocereus fendleri var. boyce-thompsonii (Orcutt) L.D.Benson Synonym L WCSP (in review)
Echinocereus fendleri var. fasciculatus (Engelm. ex B.D.Jacks.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus fendleri subsp. hempelii (Fobe) W.Blum Synonym L WCSP (in review)
Echinocereus fendleri var. kuenzleri (Castetter, P.Pierce & K.H Schwer.) L.D.Benson Accepted L WCSP (in review)
Echinocereus fendleri var. ledingii (Peebles) N.P.Taylor Accepted L WCSP (in review)
Echinocereus fendleri var. pauperculus (Engelm.) G.Unger Synonym L WCSP (in review)
Echinocereus fendleri var. rectispinus (Peebles) L.D.Benson Accepted L WCSP (in review)
Echinocereus fendleri subsp. rectispinus (Peebles) N.P.Taylor Synonym L WCSP (in review)
Echinocereus fendleri var. robustus (Peebles) L.D.Benson Synonym L WCSP (in review)
Echinocereus ferreirianus H.E.Gates Accepted M WCSP (in review)
Echinocereus ferreirianus var. lindsayi (J.Meyrán) N.P.Taylor Accepted L WCSP (in review)
Echinocereus ferreirianus subsp. lindsayi (J.Meyrán) N.P.Taylor Synonym L WCSP (in review)
Echinocereus fitchii Britton & Rose Synonym M WCSP (in review)
Echinocereus fitchii subsp. albertii (L.D.Benson) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus fitchii subsp. armatus (Poselg.) W.Blum, Mich.Lange & Rutow Synonym L WCSP (in review)
Echinocereus fitchii subsp. bergmannii W.Blum Synonym L WCSP (in review)
Echinocereus flavescens (Pfeiff.) Engelm. ex J.N.Haage [Unplaced] Unresolved L WCSP (in review)
Echinocereus flaviflorus (Engelm. ex J.M. Coult.) Hildemann in Schumann Accepted L TRO
Echinocereus floresii O.Schwarz Synonym M WCSP (in review)
Echinocereus floresii Schwarz ex Backeb. Synonym M TRO
Echinocereus fobeanus Oehme Synonym M WCSP (in review)
Echinocereus fobeanus subsp. metornii (G.Frank) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus freudenbergeri G.Frank Synonym M WCSP (in review)
Echinocereus galtieri Miers Unresolved L TRO
Echinocereus gentryi Clover Synonym M WCSP (in review)
Echinocereus gladiatus (Lem.) J.N.Haage Synonym M WCSP (in review)
Echinocereus glycimorphus C.F.Först. ex Rümpler Synonym L WCSP (in review)
Echinocereus glycimorphus var. undulatus Schelle Synonym L WCSP (in review)
Echinocereus gonacanthus (Engelm. & J.M.Bigelow) Lem. Synonym M WCSP (in review)
Echinocereus gonacanthus Rumpler Synonym M TRO
Echinocereus grahamii Teijsmann & Binnendijk Unresolved L TRO
Echinocereus grandis Britton & Rose Accepted M WCSP (in review)
Echinocereus grusonii Von Zeisold Unresolved L TRO
Echinocereus hancockii E.Y.Dawson Synonym M WCSP (in review)
Echinocereus havermansii Rebut Unresolved L TRO
Echinocereus hempelii Fobe Synonym M WCSP (in review)
Echinocereus hexaedrus Rumpler Synonym M TRO
Echinocereus hildmannii Arendt [Unplaced] Unresolved L WCSP (in review)
Echinocereus huitcholensis (F.A.C.Weber) M.Gürke Synonym M WCSP (in review)
Echinocereus hypogaeus (F.A.C.Weber ex Regel) A.A.Weber ex K.Schum. Synonym M WCSP (in review)
Echinocereus hypogaeus Rumpler Synonym M TRO
Echinocereus inermis Haage Jr. Unresolved L TRO
Echinocereus intricatus (Salm-Dyck) Sencke ex J.N.Haage Synonym M WCSP (in review)
Echinocereus jacobyi K. Schum. Unresolved L TRO
Echinocereus klapperi W.Blum Accepted M WCSP (in review)
Echinocereus klapperi subsp. bacanorensis (W.Rischer & Trocha) W.Rischer Synonym L WCSP (in review)
Echinocereus knippelianus Liebner Accepted M WCSP (in review)
Echinocereus knippelianus subsp. klapanii Halda & Sladk. Synonym L TRO
Echinocereus knippelianus subsp. knippelianus Accepted L TRO
Echinocereus knippelianus var. kruegeri Glass & R.A.Foster Synonym L WCSP (in review)
Echinocereus knippelianus subsp. kruegeri (Glass & R.A.Foster) Glass Accepted L WCSP (in review)
Echinocereus knippelianus subsp. kruegeri (Glass & Foster) W. Blum & Mich. Lange Synonym L TRO
Echinocereus knippelianus var. reyesii A.B.Lau Synonym L WCSP (in review)
Echinocereus knippelianus subsp. reyesii (A.B.Lau) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus krausei De Smet in Foerster Synonym M TRO
Echinocereus kroenleinii (Mich.Lange) W.Blum & Waldeis Synonym M WCSP (in review)
Echinocereus kuenzleri Castetter, P.Pierce & K.H.Schwer. Synonym M WCSP (in review)
Echinocereus kunzei Gürke Synonym M WCSP (in review)
Echinocereus labouretianus Lem. Unresolved L TRO
Echinocereus lamprochlorus (Lem.) Engelm. ex J.N.Haage Synonym L WCSP (in review)
Echinocereus lamprochlorus Rumpler Synonym L TRO
Echinocereus laui G.Frank Accepted M WCSP (in review)
Echinocereus ledingii Peebles Synonym M WCSP (in review)
Echinocereus leeanus (Hook.) Lem. Synonym M WCSP (in review)
Echinocereus leeanus (Hook.) Lemaire in Forster Synonym M TRO
Echinocereus leeanus var. multicostatus (Cels) K.Schum. Synonym L WCSP (in review)
Echinocereus leonensis Mathsson Synonym M WCSP (in review)
Echinocereus leptacanthus (Salm-Dyck) K.Schum. Synonym M WCSP (in review)
Echinocereus leucanthus N.P.Taylor Accepted M WCSP (in review)
Echinocereus liebnerianus Carp Unresolved L TRO
Echinocereus limensis Rumpler Unresolved L TRO
Echinocereus lindsayi Meyran Accepted M TRO
Echinocereus llanuraensis (Rutow) W.Blum & D.Felix Synonym M WCSP (in review)
Echinocereus × lloydii Britton & Rose Synonym M WCSP (in review)
Echinocereus longisetus (Engelm.) Lem. Accepted M WCSP (in review)
Echinocereus longisetus (Engelm.) Rumpler Synonym M TRO
Echinocereus longisetus var. delaetii (Gürke) N.P.Taylor Synonym L WCSP (in review)
Echinocereus longisetus subsp. delaetii (Gürke) N.P.Taylor Synonym L WCSP (in review)
Echinocereus longisetus subsp. freudenbergeri (G.Frank) W.Blum Synonym L WCSP (in review)
Echinocereus longispinus Lahman Synonym M WCSP (in review)
Echinocereus luteus Britton & Rose Synonym M WCSP (in review)
Echinocereus madrensis Patoni Synonym M WCSP (in review)
Echinocereus malibranii Rebut Unresolved L TRO
Echinocereus mamillatus (Engelm.) Britton & Rose Synonym M WCSP (in review)
Echinocereus mamillosus Rumpler Unresolved L TRO
Echinocereus mapimiensis E.F.Anderson, W.C.Hodg. & P.Quirk Accepted M WCSP (in review)
Echinocereus mapimiensis E.F. Anderson et al. Unresolved L TRO
Echinocereus mariae Backeb. Synonym M WCSP (in review)
Echinocereus maritimus (M.E.Jones) K.Schum. Accepted M WCSP (in review)
Echinocereus maritimus var. hancockii (E.Y.Dawson) N.P.Taylor Accepted L WCSP (in review)
Echinocereus maritimus subsp. hancockii (E.Y.Dawson) W.Blum & Rutow Synonym L WCSP (in review)
Echinocereus maritimus subsp. maritimus Accepted L TRO
Echinocereus marksianus Fritz Schwarz Synonym M WCSP (in review)
Echinocereus matthesianus Backeb. Synonym M WCSP (in review)
Echinocereus matudae Bravo Synonym M WCSP (in review)
Echinocereus melanacanthus Engelm. ex W. Earle Synonym M TRO
Echinocereus melanocentrus Graessn. [Invalid] Synonym M WCSP (in review)
Echinocereus merkeri Hildm. ex K.Schum. Synonym M WCSP (in review)
Echinocereus metornii G.Frank Synonym M WCSP (in review)
Echinocereus milleri W.Blum & al. [Unplaced] Unresolved L WCSP (in review)
Echinocereus mojavensis (Engelm. & J.M.Bigelow) Engelm. ex Rümpler Synonym M WCSP (in review)
Echinocereus mojavensis var. zuniensis (Engelm.) Rümpler Synonym L WCSP (in review)
Echinocereus mombergerianus G.Frank Synonym M WCSP (in review)
Echinocereus mombergerianus G. Frank Synonym L TRO
Echinocereus monacanthus Heese Synonym M WCSP (in review)
Echinocereus morricalii Ríha Synonym M WCSP (in review)
Echinocereus multangularis (Willd.) J.N.Haage Synonym L WCSP (in review)
Echinocereus multangularis (Haw.) Rumpler Synonym M TRO
Echinocereus multangularis var. pallidior (Pfeiff.) Rümpler Synonym L WCSP (in review)
Echinocereus multicostatus Cels in Forster Unresolved L TRO
Echinocereus munzii (Parish) L.D.Benson Synonym M WCSP (in review)
Echinocereus neocapillus (Weniger) W.Blum & Mich.Lange Unresolved L WCSP (in review)
Echinocereus neomexicanus Standl. Unresolved L WCSP (in review)
Echinocereus × neomexicanus Standl. (pro sp.) Synonym M TRO
Echinocereus nicholii (L.D.Benson) B.D.Parfitt Accepted M WCSP (in review)
Echinocereus nicholii subsp. llanuraensis Rutow Synonym L WCSP (in review)
Echinocereus nivosus Glass & R.A.Foster Accepted M WCSP (in review)
Echinocereus occidentalis (N.P.Taylor) W.Rischer, S.Breckw. & Breckw. Synonym M WCSP (in review)
Echinocereus ochoterenae J.G.Ortega Synonym M WCSP (in review)
Echinocereus octacanthus (Muehlenpf.) Britton & Rose Synonym L WCSP (in review)
Echinocereus oklahomensis Lahman Synonym M WCSP (in review)
Echinocereus orcuttii Rose ex Orcutt Synonym M WCSP (in review)
Echinocereus ortegae Rose Accepted M WCSP (in review)
Echinocereus ortegae Rose ex J.G. Ortega Unresolved L TRO
Echinocereus ortegae subsp. koehresianus (G.Frank) W.Rischer & G.Frank Synonym L WCSP (in review)
Echinocereus pacificus (Engelm.) Britton & Rose Synonym M WCSP (in review)
Echinocereus pacificus subsp. mombergerianus (G.Frank) W.Blum, W.Rischer & Rutow Synonym L WCSP (in review)
Echinocereus palmeri Britton & Rose Accepted M WCSP (in review)
Echinocereus pamanesiorum A.B.Lau Accepted M WCSP (in review)
Echinocereus pamanesiorum Lau Unresolved L TRO
Echinocereus pamanesiorum subsp. bonatzii (R.C.Römer) R.C.Römer Accepted L WCSP (in review)
Echinocereus papillosus Linke ex C.F.Först. & Rümpler Accepted M WCSP (in review)
Echinocereus papillosus Linke ex Haage Unresolved L TRO
Echinocereus papillosus var. angusticeps (Clover) W.T.Marshall Accepted L WCSP (in review)
Echinocereus papillosus var. rubescens (Dams) Dams Synonym L WCSP (in review)
Echinocereus parkeri N.P.Taylor Accepted M WCSP (in review)
Echinocereus parkeri subsp. arteagensis W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus parkeri var. gonzalezii N.P.Taylor Synonym L WCSP (in review)
Echinocereus parkeri subsp. gonzalezii (N.P.Taylor) N.P.Taylor Accepted L WCSP (in review)
Echinocereus paucispinus (Engelm.) Engelm. ex Rümpler Synonym M WCSP (in review)
Echinocereus paucispinus var. gonacanthus (Engelm. & J.M.Bigelow) K.Schum. Synonym L WCSP (in review)
Echinocereus paucispinus var. hexaedrus (Engelm. & J.M.Bigelow) K.Schum. Synonym L WCSP (in review)
Echinocereus paucispinus var. triglochidiatus (Engelm.) K.Schum. Synonym L WCSP (in review)
Echinocereus pectinatus (Scheidw.) Engelm. Accepted M WCSP (in review)
Echinocereus pectinatus var. adustus (Engelm.) K.Schum. Synonym L WCSP (in review)
Echinocereus pectinatus var. armatus Poselger Synonym L TRO
Echinocereus pectinatus var. bauerii Rother Synonym L TRO
Echinocereus pectinatus var. bristolii (W.T.Marshall) W.T.Marshall Synonym L WCSP (in review)
Echinocereus pectinatus var. caespitosus (Engelm.) K.Schum. Synonym L WCSP (in review)
Echinocereus pectinatus var. centralis J.M. Coult. Synonym L TRO
Echinocereus pectinatus var. chrysacanthus K.Schum. Synonym L WCSP (in review)
Echinocereus pectinatus var. crassispinus Runge ex Mathsson Synonym L TRO
Echinocereus pectinatus var. ctenoides (Engelm.) Weniger ex G.Frank Synonym L WCSP (in review)
Echinocereus pectinatus subsp. ctenoides (Engelm.) G.Frank Synonym L WCSP (in review)
Echinocereus pectinatus var. dasyacanthus (Engelm.) W.H.Earle ex N.P.Taylor Synonym L WCSP (in review)
Echinocereus pectinatus var. jamauvei Fric Synonym L WCSP (in review)
Echinocereus pectinatus var. minor (Engelm.) L.D.Benson Synonym L WCSP (in review)
Echinocereus pectinatus var. neomexicanus (J.M.Coult.) L.D.Benson Synonym L WCSP (in review)
Echinocereus pectinatus subsp. pectinatus Accepted L TRO
Echinocereus pectinatus var. reichenbachii Werderm. Synonym L WCSP (in review)
Echinocereus pectinatus var. rigidissimus (Engelm.) Rumpler Synonym L TRO
Echinocereus pectinatus var. robustus Bauer Synonym L TRO
Echinocereus pectinatus var. rubrispinus G.Frank & A.B.Lau Synonym L WCSP (in review)
Echinocereus pectinatus var. rufispinus K.Schum. Synonym L WCSP (in review)
Echinocereus pectinatus var. tamaulipensis Frić ex Schelle Synonym L TRO
Echinocereus pectinatus var. texensis Rumpler Synonym L TRO
Echinocereus pectinatus var. wenigeri L.D.Benson Accepted L WCSP (in review)
Echinocereus pectinatus subsp. wenigeri (L.D.Benson) W.Blum & Rutow Synonym L WCSP (in review)
Echinocereus penicilliformis Linke [Unplaced] Unresolved L WCSP (in review)
Echinocereus pensilis (Brandegee) J.A.Purpus Accepted L WCSP (in review)
Echinocereus pentalophus (DC.) Lem. Accepted M WCSP (in review)
Echinocereus pentalophus (DC.) Haage Synonym M TRO
Echinocereus pentalophus (DC.) Rumpler Synonym M TRO
Echinocereus pentalophus var. ehrenbergii (Pfeiff.) Backeb. Synonym L WCSP (in review)
Echinocereus pentalophus var. leonensis (Mathsson) N.P.Taylor Accepted L WCSP (in review)
Echinocereus pentalophus subsp. leonensis (Mathsson) N.P.Taylor Synonym L WCSP (in review)
Echinocereus pentalophus var. procumbens (Engelm.) P.Fourn. Synonym L WCSP (in review)
Echinocereus pentalophus subsp. procumbens (Engelm.) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus pentlandii (Hook.) K.Schum. Synonym M WCSP (in review)
Echinocereus perbellus Britton & Rose Synonym M WCSP (in review)
Echinocereus persolutus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Echinocereus phoeniceus (Engelm.) Lem. Synonym M WCSP (in review)
Echinocereus phoeniceus Rumpler Synonym M TRO
Echinocereus phoeniceus var. conoideus (Engelm. & J.M.Bigelow) K.Schum. Synonym L WCSP (in review)
Echinocereus phoeniceus var. inermis K.Schum. Synonym L WCSP (in review)
Echinocereus platyacanthus Link & Otto Unresolved L TRO
Echinocereus pleiogonus (Labour.) Croucher Accepted L TRO
Echinocereus polyacanthus Engelm. Accepted M WCSP (in review)
Echinocereus polyacanthus subsp. acifer N.P. Taylor Synonym L TRO
Echinocereus polyacanthus var. densus (Regel) N.P.Taylor Accepted L WCSP (in review)
Echinocereus polyacanthus var. huitcholensis (F.A.C.Weber) N.P.Taylor Accepted L WCSP (in review)
Echinocereus polyacanthus subsp. huitcholensis (F.A.C.Weber) N.P.Taylor Synonym L WCSP (in review)
Echinocereus polyacanthus subsp. mombergerianus (G.Frank) Breckw. Synonym L WCSP (in review)
Echinocereus polyacanthus var. neomexicanus (Standl. (pro sp.)) D. Weniger Synonym L TRO
Echinocereus polyacanthus var. pacificus (Engelm.) N.P.Taylor Accepted L WCSP (in review)
Echinocereus polyacanthus subsp. pacificus (Engelm.) Breckw. Synonym L WCSP (in review)
Echinocereus polycephalus Britton & Rose Unresolved L TRO
Echinocereus poselgeri Lem. Accepted M WCSP (in review)
Echinocereus poselgeri subsp. kroenleinii Mich.Lange Synonym L WCSP (in review)
Echinocereus poselgerianus Linke Synonym M WCSP (in review)
Echinocereus primolanatus Fritz Schwarz ex N.P.Taylor Accepted M WCSP (in review)
Echinocereus princeps C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Echinocereus pringlei Rose Unresolved L TRO
Echinocereus procumbens (Engelm.) Lem. Synonym M WCSP (in review)
Echinocereus procumbens Rumpler Synonym M TRO
Echinocereus procumbens var. longispinus Hirscht Synonym L WCSP (in review)
Echinocereus propinquus Bremek. Unresolved L TRO
Echinocereus pseudopectinatus (N.P.Taylor) N.P.Taylor Accepted M WCSP (in review)
Echinocereus pulchellus (Mart.) K.Schum. Accepted M WCSP (in review)
Echinocereus pulchellus var. acanthosetus S.Arias & U.Guzmán Synonym L WCSP (in review)
Echinocereus pulchellus subsp. acanthosetus (S.Arias & U.Guzmán) W.Blum Accepted L WCSP (in review)
Echinocereus pulchellus var. amoenus (A.Dietr.) K.Schum. Synonym L WCSP (in review)
Echinocereus pulchellus var. amoenus FORSTER Synonym L TRO
Echinocereus pulchellus var. amoenus (A. Dietr.) Kelsey & Dayton Synonym L TRO
Echinocereus pulchellus var. costatus Halda, Kupcák & Sladk. Synonym L WCSP (in review)
Echinocereus pulchellus subsp. pulchellus Accepted L TRO
Echinocereus pulchellus var. sharpii N.P.Taylor Synonym L WCSP (in review)
Echinocereus pulchellus subsp. sharpii (N.P.Taylor) N.P.Taylor Accepted L WCSP (in review)
Echinocereus pulchellus subsp. sladkovskyi Halda & Kupcák Synonym L WCSP (in review)
Echinocereus pulchellus subsp. venustus W.Blum & W.Rischer Synonym L WCSP (in review)
Echinocereus pulchellus var. weinbergii (Weing.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus pulchellus subsp. weinbergii (Weing.) N.P.Taylor Accepted L WCSP (in review)
Echinocereus purpureus Lahman Synonym M WCSP (in review)
Echinocereus radians Engelm. Synonym M WCSP (in review)
Echinocereus raphicephalus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Echinocereus rayonesensis N.P.Taylor Accepted M WCSP (in review)
Echinocereus rectispinus Peebles Synonym M WCSP (in review)
Echinocereus rectispinus var. robustus Peebles Synonym L WCSP (in review)
Echinocereus reichenbachii (Terscheck) J.N.Haage Accepted M WCSP (in review)
Echinocereus reichenbachii (Terscheck) F. Haage Synonym M TRO
Echinocereus reichenbachii var. albertii L.D.Benson Synonym L WCSP (in review)
Echinocereus reichenbachii var. albispinus (Lahman) L.D.Benson Synonym L WCSP (in review)
Echinocereus reichenbachii var. armatus (Poselg.) N.P.Taylor Accepted L WCSP (in review)
Echinocereus reichenbachii subsp. armatus (Poselg.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus reichenbachii var. baileyi (Rose) N.P.Taylor Accepted L WCSP (in review)
Echinocereus reichenbachii subsp. baileyi (Rose) N.P.Taylor Synonym L WCSP (in review)
Echinocereus reichenbachii subsp. burrensis G.Frank, Metorn & E.Scherer Synonym L WCSP (in review)
Echinocereus reichenbachii subsp. caespitosus (Engelm.) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus reichenbachii subsp. comanchensis D.Felix, Oldach & J.Oldach Synonym L WCSP (in review)
Echinocereus reichenbachii var. fitchii (Britton & Rose) L.D.Benson Accepted L WCSP (in review)
Echinocereus reichenbachii subsp. fitchii (Britton & Rose) N.P.Taylor Synonym L WCSP (in review)
Echinocereus reichenbachii var. perbellus (Britton & Rose) L.D.Benson Accepted L WCSP (in review)
Echinocereus reichenbachii subsp. perbellus (Britton & Rose) N.P.Taylor Synonym L WCSP (in review)
Echinocereus reichii Fric [Unplaced] Unresolved L WCSP (in review)
Echinocereus rigidispinus (Muehlenpf.) Engelm. ex J.N.Haage [Unplaced] Unresolved L WCSP (in review)
Echinocereus rigidissimus (Engelm.) F.Haage Accepted M WCSP (in review)
Echinocereus rigidissimus subsp. rubispinus (G.Frank & A.B.Lau) N.P.Taylor Accepted L WCSP (in review)
Echinocereus rischeri (R.C.Römer) W.Rischer Synonym M WCSP (in review)
Echinocereus robustus (Peebles) Peebles Synonym M WCSP (in review)
Echinocereus roemeri (Muehlenpf.) Engelm. ex J.N.Haage Synonym M WCSP (in review)
Echinocereus roemeri (Muehlenpf.) Rydb. Synonym M WCSP (in review)
Echinocereus roemeri Rumpler Synonym M TRO
Echinocereus × roetteri (Engelm.) Engelm. ex Rümpler Accepted M WCSP (in review)
Echinocereus × roetteri var. lloydii (Britton & Rose) Backeb. Synonym L WCSP (in review)
Echinocereus × roetteri var. neomexicanus (J.M.Coult.) A.D.Zimmerman Synonym L WCSP (in review)
Echinocereus rosei Wooton & Standl. Unresolved L WCSP (in review)
Echinocereus rotatus Linke Synonym M WCSP (in review)
Echinocereus rubescens Dams Synonym M WCSP (in review)
Echinocereus rufispinus Engelm. Synonym M WCSP (in review)
Echinocereus rungei K.Schum. [Invalid] Synonym M WCSP (in review)
Echinocereus runyonii Orcutt Synonym M WCSP (in review)
Echinocereus russanthus D.Weniger Accepted M WCSP (in review)
Echinocereus russanthus var. fiehnii Trocha Synonym L WCSP (in review)
Echinocereus russanthus subsp. fiehnii (Trocha) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus russanthus subsp. weedinii Leuck. ex W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus salm-dyckianus Scheer Synonym M WCSP (in review)
Echinocereus salm-dyckianus subsp. bacanorensis Rischer & Trocha Synonym L WCSP (in review)
Echinocereus salm-dyckianus var. noctiflorus Heid Synonym L WCSP (in review)
Echinocereus salm-dyckianus subsp. obscuriensis (A.B.Lau) W.Blum Synonym L WCSP (in review)
Echinocereus salm-dyckianus f. obscuriensis (A.B.Lau) W.Rischer & Trocha Synonym L WCSP (in review)
Echinocereus salmianus K.Schum. Synonym M WCSP (in review)
Echinocereus salmianus Rumpler Synonym M TRO
Echinocereus sanborgianus K. Schum. Synonym M TRO
Echinocereus sandersi Orcutt Synonym M WCSP (in review)
Echinocereus sanpedroensis Raudonat & Rischer Synonym M WCSP (in review)
Echinocereus santaritensis W.Blum & Rutow Synonym M WCSP (in review)
Echinocereus santaritensis subsp. bacanorensis (W.Rischer & Trocha) W.Rischer & D.Felix Synonym L WCSP (in review)
Echinocereus sarissophorus Britton & Rose Synonym M WCSP (in review)
Echinocereus scheeri (Salm-Dyck) Scheer Accepted M WCSP (in review)
Echinocereus scheeri (Salm-Dyck) Rumpler Unresolved L TRO
Echinocereus scheeri var. gentryi (Clover) N.P.Taylor Accepted L WCSP (in review)
Echinocereus scheeri subsp. gentryi (Clover) N.P.Taylor Synonym L WCSP (in review)
Echinocereus scheeri var. koehresianus G.Frank Synonym L WCSP (in review)
Echinocereus scheeri var. obscuriensis A.B.Lau Accepted L WCSP (in review)
Echinocereus scheeri subsp. obscuriensis (A.B.Lau) U.Guzmán Synonym L WCSP (in review)
Echinocereus scheeri subsp. paridensis Rischer & Trocha Synonym L WCSP (in review)
Echinocereus scheeri subsp. rischeri R.C.Römer Synonym L WCSP (in review)
Echinocereus scheeri var. robustior Focke Synonym L TRO
Echinocereus scheeri subsp. scheeri Accepted L TRO
Echinocereus schereri G.Frank Accepted M WCSP (in review)
Echinocereus schlini Unresolved L TRO
Echinocereus schmollii (Weing.) N.P.Taylor Accepted M WCSP (in review)
Echinocereus schwarzii A.B.Lau Synonym M WCSP (in review)
Echinocereus sciurus (K.Brandegee) Britton & Rose Accepted M WCSP (in review)
Echinocereus sciurus var. floresii (Backeb.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus sciurus subsp. floresii (Backeb.) N.P.Taylor Accepted L WCSP (in review)
Echinocereus scopulorum Britton & Rose Accepted M WCSP (in review)
Echinocereus scopulorum subsp. pseudopectinatus (N.P.Taylor) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus serpentinus (Lag. & Rodr.) Lem. Unresolved L WCSP (in review)
Echinocereus spinibarbis (Otto ex Pfeiff.) K. Schum. Synonym M TRO
Echinocereus spinigemmatus A.B.Lau Accepted M WCSP (in review)
Echinocereus spinosissimus Walton Synonym M WCSP (in review)
Echinocereus splendens (Salm-Dyck ex Lem.) Lem. Unresolved L WCSP (in review)
Echinocereus standleyi Britton & Rose Synonym M WCSP (in review)
Echinocereus steereae Clover Synonym M WCSP (in review)
Echinocereus stoloniferus W.T.Marshall Accepted M WCSP (in review)
Echinocereus stoloniferus var. tayopensis (W.T.Marshall) N.P.Taylor Accepted L WCSP (in review)
Echinocereus stoloniferus subsp. tayopensis (W.T.Marshall) N.P.Taylor Synonym L WCSP (in review)
Echinocereus stoloniferus subsp. tayopensis (W.T. Marshall) G. Pichler Synonym L TRO
Echinocereus stramineus (Engelm.) F.Seitz Accepted M WCSP (in review)
Echinocereus stramineus (Engelm.) Rumpler Synonym M TRO
Echinocereus stramineus var. conglomeratus (Foerster) Bravo Synonym L WCSP (in review)
Echinocereus stramineus var. occidentalis N.P.Taylor Synonym L WCSP (in review)
Echinocereus stramineus subsp. occidentalis (N.P.Taylor) N.P.Taylor Accepted L WCSP (in review)
Echinocereus strausianus Haage Jr. in Quehl Unresolved L TRO
Echinocereus strigosus (Salm-Dyck) Lem. Synonym M WCSP (in review)
Echinocereus strigosus (Salm-Dyck) Lemaire in Forster Synonym M TRO
Echinocereus subinermis Salm-Dyck ex Scheer Accepted M WCSP (in review)
Echinocereus subinermis var. luteus (Britton & Rose) F.M.Knuth Synonym L WCSP (in review)
Echinocereus subinermis var. luteus (Britton & Rose) Backeb. Synonym L TRO
Echinocereus subinermis var. ochoterenae (J.G.Ortega) G.Unger Accepted L WCSP (in review)
Echinocereus subinermis subsp. ochoterenae (J.G.Ortega) N.P.Taylor Synonym L WCSP (in review)
Echinocereus subinermis subsp. subinermis Accepted L TRO
Echinocereus subterraneus Backeb. Synonym M WCSP (in review)
Echinocereus tamaulipensis (Werderm.) Mich.Lange Synonym M WCSP (in review)
Echinocereus tamaulipensis subsp. deherdtii Mich.Lange Synonym L WCSP (in review)
Echinocereus tamaulipensis subsp. waldeisii (Haugg) Mich.Lange Synonym L WCSP (in review)
Echinocereus tayopensis W.T.Marshall Synonym M WCSP (in review)
Echinocereus texensis Jacobi Synonym M WCSP (in review)
Echinocereus thurberi Rydb. Unresolved L TRO
Echinocereus thwaitesii K. Schum. Unresolved L TRO
Echinocereus topiensis W.Rischer & Trocha Synonym M WCSP (in review)
Echinocereus toroweapensis (P.C.Fisch.) Fürsch Synonym M WCSP (in review)
Echinocereus trichacanthus Wimm. Unresolved L TRO
Echinocereus triglochidiatus Engelm. Accepted L WCSP (in review)
Echinocereus triglochidiatus var. acifer (Otto ex Salm-Dyck) Bravo Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. acifer (Otto ex Salm-Dyck) U.Guzmán Synonym L WCSP (in review)
Echinocereus triglochidiatus var. arizonicus (Rose ex Orcutt) L.D.Benson Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. coccineus (Engelm.) U.Guzmán Synonym L WCSP (in review)
Echinocereus triglochidiatus var. gonacanthus (Engelm. & J.M.Bigelow) Boissev. Accepted L WCSP (in review)
Echinocereus triglochidiatus var. gurneyi L.D.Benson Accepted L WCSP (in review)
Echinocereus triglochidiatus var. hexaedrus (Engelm.) Boissev. Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. huitcholensis (F.A.C.Weber) U.Guzmán Synonym L WCSP (in review)
Echinocereus triglochidiatus var. inermis (K.Schum.) Arp Synonym L WCSP (in review)
Echinocereus triglochidiatus f. inermis (K.Schum.) W.Blum Synonym L WCSP (in review)
Echinocereus triglochidiatus var. melanacanthus (Engelm.) L.D.Benson Synonym L WCSP (in review)
Echinocereus triglochidiatus var. mojavensis (Engelm. & J.M.Bigelow) L.D.Benson Accepted L WCSP (in review)
Echinocereus triglochidiatus subsp. mojavensis (Engelm. & J.M.Bigelow) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus triglochidiatus var. multicostatus (Cels) W.T.Marshall Synonym L WCSP (in review)
Echinocereus triglochidiatus var. neomexicanus (Standl.) W.T.Marshall Synonym L WCSP (in review)
Echinocereus triglochidiatus var. pacificus (Engelm.) Bravo Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. pacificus (Engelm. ex Orcutt) U.Guzmán Unresolved L WCSP (in review)
Echinocereus triglochidiatus var. paucispinus (Engelm.) W.T.Marshall Synonym L WCSP (in review)
Echinocereus triglochidiatus var. polyacanthus (Engelm. ex Wisl.) L.D.Benson Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. polyacanthus (Engelm.) U.Guzmán Synonym L WCSP (in review)
Echinocereus triglochidiatus var. rosei (Wooton & Standl.) W.T.Marshall Unresolved L WCSP (in review)
Echinocereus triglochidiatus var. toroweapensis P.C.Fisch. Synonym L WCSP (in review)
Echinocereus triglochidiatus subsp. triglochidiatus Accepted L TRO
Echinocereus trockyi Bateman ex Lindl. Unresolved L TRO
Echinocereus tuberosus Poselg. ex Rümpler Synonym M WCSP (in review)
Echinocereus tulensis Bravo Synonym M WCSP (in review)
Echinocereus uehri Blanc ex F.Haage Synonym M WCSP (in review)
Echinocereus undulatus Hildmann ex Schumann Unresolved L TRO
Echinocereus uspenskii F.Haage Synonym M WCSP (in review)
Echinocereus viereckii Werderm. Accepted M WCSP (in review)
Echinocereus viereckii subsp. huastecensis W.Blum, Mich.Lange & Rutow Synonym L WCSP (in review)
Echinocereus viereckii var. morricalii (Ríha) N.P.Taylor Accepted L WCSP (in review)
Echinocereus viereckii subsp. morricalii (Ríha) N.P.Taylor Synonym L WCSP (in review)
Echinocereus viridiflorus Engelm. Accepted M WCSP (in review)
Echinocereus viridiflorus var. canus A.M.Powell & Weedin Synonym L WCSP (in review)
Echinocereus viridiflorus var. chloranthus (Engelm.) Backeb. Synonym L WCSP (in review)
Echinocereus viridiflorus subsp. chloranthus (Engelm.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus viridiflorus var. correllii L.D.Benson Accepted L WCSP (in review)
Echinocereus viridiflorus subsp. correllii (L.D.Benson) W.Blum & Mich.Lange Synonym L WCSP (in review)
Echinocereus viridiflorus var. cylindricus (Engelm.) Rümpler Synonym L WCSP (in review)
Echinocereus viridiflorus subsp. cylindricus (Engelm.) N.P.Taylor Synonym L WCSP (in review)
Echinocereus viridiflorus var. davisii (Houghton) W.T.Marshall Accepted L WCSP (in review)
Echinocereus viridiflorus subsp. davisii (Houghton) N.P.Taylor Synonym L WCSP (in review)
Echinocereus viridiflorus var. davisii Backeb. Synonym L TRO
Echinocereus viridiflorus var. intermedius Backeb. Synonym L WCSP (in review)
Echinocereus viridiflorus var. russanthus (D.Weniger) A.D.Zimmerman Synonym L WCSP (in review)
Echinocereus viridiflorus var. tubulosus (J.M.Coult.) A.Heller Synonym L WCSP (in review)
Echinocereus viridiflorus var. weedinii (Leuck ex W.Blum & Mich.Lange) A.D.Zimmerman Synonym L WCSP (in review)
Echinocereus waldeisii Haugg Synonym M WCSP (in review)
Echinocereus websterianus G.E.Linds. Accepted M WCSP (in review)
Echinocereus weinbergii Weing. Synonym M WCSP (in review)
Echinocereus yavapaiensis M.A.Baker Accepted M WCSP (in review)