Ferocactus acanthodes (Lem.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus acanthodes var. eastwoodiae L.D.Benson |
Accepted |
 |
WCSP (in review) |
Ferocactus acanthodes var. johnstonianus (Britton & Rose) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus acanthodes var. lecontei (Engelm.) G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus acanthodes var. rostii (Britton & Rose) W.T.Marshall |
Synonym |
 |
WCSP (in review) |
Ferocactus alamosanus (Britton & Rose) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus alamosanus var. platygonus G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus alamosanus subsp. reppenhagenii (G.Unger) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus arizonicus (R.E.Kunze) Orcutt |
Synonym |
 |
WCSP (in review) |
Ferocactus bicolor (Galeotti ex Pfeiff.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus bicolor var. bolaensis (Runge) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus californicus (Monv. ex Labour.) Borg |
Synonym |
 |
WCSP (in review) |
Ferocactus chrysacanthus (Orcutt) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus chrysacanthus subsp. grandiflorus (G.E.Linds.) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus chrysacanthus f. rubrispinus (Ford ex Orcutt) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus coloratus H.E.Gates |
Synonym |
 |
WCSP (in review) |
Ferocactus coptonogonus (Lem.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus covillei Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus crassihamatus (A.A.Weber) Britton & Rose |
Unresolved |
 |
WCSP (in review) |
Ferocactus crispatus (DC.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus cylindraceus (Engelm.) Orcutt |
Synonym |
 |
WCSP (in review) |
Ferocactus cylindraceus var. eastwoodiae (L.D.Benson) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus cylindraceus subsp. eastwoodiae (L.D.Benson) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus cylindraceus var. greenwoodiae (Glass) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus cylindraceus var. lecontei (Engelm.) Bravo |
Synonym |
 |
WCSP (in review) |
Ferocactus cylindraceus subsp. lecontei (Engelm.) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus diguetii (A.A.Weber) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus diguetii var. carmenensis G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus diguetii subsp. carmenensis (G.E.Linds.) F.Wolf & R.Wolf |
Synonym |
 |
WCSP (in review) |
Ferocactus eastwoodiae (L.D.Benson) L.D.Benson |
Synonym |
 |
WCSP (in review) |
Ferocactus echidne (DC.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus echidne var. rhodanthus G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus echidne var. victoriensis (Rose) G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus emoryi (Engelm.) Orcutt |
Accepted |
 |
WCSP (in review) |
Ferocactus emoryi var. rectispinus (Engelm.) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus emoryi subsp. rectispinus (Engelm.) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus falconeri (Orcutt) Orcutt |
Synonym |
 |
WCSP (in review) |
Ferocactus flavovirens (Scheidw.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus fordii (Orcutt) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus fordii var. grandiflorus G.E.Linds. |
Unresolved |
 |
WCSP (in review) |
Ferocactus gatesii G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus glaucescens (DC.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus glaucus (K.Schum.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus gracilis H.E.Gates |
Accepted |
 |
WCSP (in review) |
Ferocactus gracilis var. coloratus (H.E.Gates) G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus gracilis subsp. coloratus (H.E.Gates) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus gracilis subsp. gatesii (G.E.Linds.) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus × grandiflorus (G.E.Linds.) G.Unger |
Unresolved |
 |
WCSP (in review) |
Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth |
Accepted |
 |
WCSP (in review) |
Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus hamatacanthus subsp. hamatacanthus |
Accepted |
 |
TRO |
Ferocactus hamatacanthus var. sinuatus (A.Dietr) L.D.Benson |
Synonym |
 |
WCSP (in review) |
Ferocactus hamatacanthus subsp. sinuatus (A.Dietr.) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus hastifer (Werderm. & Boed.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus herrerae J.G.Ortega |
Accepted |
 |
WCSP (in review) |
Ferocactus heterochromus (A.A.Weber) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus histrix (DC.) G.E.Linds. |
Accepted |
 |
WCSP (in review) |
Ferocactus histrix Lindsay |
Unresolved |
 |
TRO |
Ferocactus horridus Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus johnsonii (Parry ex Engelm.) Britton & Rose |
Unresolved |
 |
WCSP (in review) |
Ferocactus johnstonianus Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus latispinus (Haw.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus latispinus var. flavispinus (J.N.Haage) Backeb. & F.M.Knuth |
Synonym |
 |
WCSP (in review) |
Ferocactus latispinus var. greenwoodii (Glass) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus latispinus subsp. greenwoodii (Glass) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus latispinus var. spiralis (Karw. ex Pfeiff.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus latispinus subsp. spiralis (Karw. ex Pfeiff.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus lecontei (Engelm.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus leucacanthus (Zucc. ex Pfeiff.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus lindsayi Bravo |
Accepted |
 |
WCSP (in review) |
Ferocactus macrodiscus (Mart.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus macrodiscus var. septentrionalis J.Meyrán |
Synonym |
 |
WCSP (in review) |
Ferocactus macrodiscus subsp. septentrionalis (J.Meyrán) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus mathssonii (A.Berger ex K.Schum.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus melocactiformis (DC.) Britton & Rose |
Unresolved |
 |
WCSP (in review) |
Ferocactus mesae-verdae (Boissev. & C.Davidson ex Marshall & Bloc) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus nobilis (L.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus orcuttii (Engelm. ex Orcutt) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus parviflorus (Clover & Jotter) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus peninsulae (A.A.Weber) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus peninsulae var. coloratus (H.E.Gates) G.Unger |
Unresolved |
 |
WCSP (in review) |
Ferocactus peninsulae var. gracilis (H.E.Gates) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus peninsulae var. santa-maria (Britton & Rose) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus peninsulae subsp. santa-maria (Britton & Rose) Pilbeam & Bowdery |
Synonym |
 |
WCSP (in review) |
Ferocactus peninsulae var. townsendianus (Britton & Rose) N.P.Taylor |
Accepted |
 |
WCSP (in review) |
Ferocactus peninsulae subsp. townsendianus (Britton & Rose) Pilbeam & Bowdery |
Unresolved |
 |
WCSP (in review) |
Ferocactus peninsulae var. viscainensis (H.E.Gates) G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus peninsulae subsp. viscainensis (H.E.Gates) F.Wolf & R.Wolf |
Synonym |
 |
WCSP (in review) |
Ferocactus pfeifferi (Zucc.) Backeb. [Invalid] |
Synonym |
 |
WCSP (in review) |
Ferocactus phoeniceus (R.E.Kunze) Orcutt |
Synonym |
 |
WCSP (in review) |
Ferocactus phyllacanthus (Mart.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus piliferus (Lem. ex Labour.) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus piliferus f. flavispinus (Schelle) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus piliferus var. stainesii (Salm-Dyck) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus pilosus (Galeotti ex Salm-Dyck) Werderm. |
Accepted |
 |
WCSP (in review) |
Ferocactus polyancistrus (Engelm. & J.M.Bigelow) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus pottsii (Salm-Dyck) Backeb. |
Accepted |
 |
WCSP (in review) |
Ferocactus pottsii var. alamosanus (Britton & Rose) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus pringlei (Coult.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus pubispinus (Engelm.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus rafaelensis (J.A.Purpus) Borg |
Synonym |
 |
WCSP (in review) |
Ferocactus rectispinus (Engelm.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus recurvus (Mill.) Borg |
Accepted |
 |
WCSP (in review) |
Ferocactus recurvus f. flavispinus (Haage ex C.F.Först.) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus recurvus var. greenwoodiae Glass |
Synonym |
 |
WCSP (in review) |
Ferocactus recurvus subsp. greenwoodiae (Glass) Pilbeam & Bowdery |
Synonym |
 |
WCSP (in review) |
Ferocactus recurvus var. latispinus (Haw.) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus recurvus f. spiralis (Karw. ex Pfeiff.) G.Unger |
Unresolved |
 |
WCSP (in review) |
Ferocactus reppenhagenii G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus robustus (Karw. ex Pfeiff.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus rostii Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus santa-maria Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus scheeri (Salm-Dyck) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus schwarzii G.E.Linds. |
Accepted |
 |
WCSP (in review) |
Ferocactus setispinus (Engelm.) L.D.Benson |
Unresolved |
 |
WCSP (in review) |
Ferocactus spinosior (Engelm.) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus stainesii (Hook. ex Salm-Dyck) Britton & Rose |
Synonym |
 |
WCSP (in review) |
Ferocactus stainesii var. haematacanthus (Salm-Dyck) Backeb. |
Synonym |
 |
WCSP (in review) |
Ferocactus stainesii var. pilosus (Galeotti ex Salm-Dyck) Backeb. |
Synonym |
 |
WCSP (in review) |
Ferocactus stainesii var. pringlei (J.M.Coult.) Backeb. |
Synonym |
 |
WCSP (in review) |
Ferocactus tiburonensis (G.Lindsay) Backeb. |
Unresolved |
 |
WCSP (in review) |
Ferocactus tobuschii (W.T.Marshall) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus tortulispinus H.E.Gates |
Accepted |
 |
WCSP (in review) |
Ferocactus townsendianus Britton & Rose |
Unresolved |
 |
WCSP (in review) |
Ferocactus townsendianus var. santa-maria (Britton & Rose) G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus uncinatus (Galeotti ex Pfeiff.) Britton & Rose |
Unresolved |
 |
WCSP (in review) |
Ferocactus vaupelianus (Werderm.) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus victoriensis (Rose) Backeb. |
Synonym |
 |
WCSP (in review) |
Ferocactus viridescens (Nutt. ex Torr. & A.Gray) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus viridescens var. littoralis G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus viridescens subsp. littoralis (G.E.Linds.) F.Wolf & R.Wolf |
Synonym |
 |
WCSP (in review) |
Ferocactus viridescens var. orcuttii (Engelm. ex Orcutt) G.Unger |
Synonym |
 |
WCSP (in review) |
Ferocactus viridescens subsp. orcuttii (Engelm. ex Orcutt) F.Wolf & R.Wolf |
Synonym |
 |
WCSP (in review) |
Ferocactus viscainensis H.E.Gates |
Synonym |
 |
WCSP (in review) |
Ferocactus whipplei (Engelm. & J.M.Bigelow) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
Ferocactus wislizeni (Engelm.) Britton & Rose |
Accepted |
 |
WCSP (in review) |
Ferocactus wislizeni var. albispinus (Toumey) Y.Itô |
Synonym |
 |
WCSP (in review) |
Ferocactus wislizeni var. herrerae (J.G.Ortega) N.P.Taylor |
Synonym |
 |
WCSP (in review) |
Ferocactus wislizeni subsp. herrerae (J.G.Ortega) Pilbeam & Bowdery |
Synonym |
 |
WCSP (in review) |
Ferocactus wislizeni var. phoeniceus (R.E.Kunze) Y.Itô |
Synonym |
 |
WCSP (in review) |
Ferocactus wislizeni var. tiburonensis G.E.Linds. |
Synonym |
 |
WCSP (in review) |
Ferocactus wislizeni subsp. tiburonensis (G.E.Linds.) Pilbeam & Bowdery |
Synonym |
 |
WCSP (in review) |
Ferocactus wrightiae (L.D.Benson) N.P.Taylor |
Unresolved |
 |
WCSP (in review) |