Tribe: Cacteae Rchb.

Genera: Acharagma, Ariocarpus, Astrophytum, Aztekium, Coryphantha, Echinocactus, Echinomastus, Epithelantha, Escobaria, Ferocactus, Geohintonia, Leuchtenbergia, Lophophora, Mammillaria, Mammilloydia, Neolloydia, Obregonia, Ortegocactus, Pediocactus, Pelecyphora, Sclerocactus, Stenocactus, Strombocactus, Thelocactus, Turbinicarpus .

 

Acharagma (N.P. Taylor) A.D. Zimmerman ex Glass, Guía Identif. Cact. Amenazadas México 1: [1] [AC/AG], 1998

Etymology: Greek: a= not, and charagmo= grooved

Species (2):

Acharagma aguirreanum (Glass & R.A. Foster) Glass, Guía Identif. Cact. Amenazadas México 1: [1] [AC/AG], 1998.

Acharagma roseana (Boedeker) E.F. Anderson, Cact. Succ. J. (Los Angeles) 71: 323, 1999 (subspp. roseana and galeanense (Haugg) D.R. Hunt, Cactaceae Syst. Init. 14: 7, 2002).

 

 

Ariocarpus Scheidweiler, Bull. Aced. Sci. Brux. 5: 491. 1838.

Etymology: Greek: aria =referring to Sorbus aria, and karpos= fruit, referring to the Sorbus aria-like fruit.

Reference: Anderson, E. F. and W. A. Maurice. 1997. Haseltonia 5: 1-20.

Species (8):

Ariocarpus agavoides (Castañeda) Anderson,

Ariocarpus bravoanus Hernandez & Anderson,

Ariocarpus confusus Halda & Horacek,

Ariocarpus fissuratus (Engelm.) K. Sch.,

Ariocarpus kotschoubeyanus (Lem.) K. Sch.,

Ariocarpus retusus Scheidweiler,

Ariocarpus scaphirostris Böd.,

Ariocarpus trigonus (Weber) K. Sch.

Astrophytum Lem., Cact. Gen. Nov. Gen. et Sp. p. 3, 1839.

Etymology: Greek: astron= star, and phyton= plant.

Species (4):

Astrophytum asterias Lem.,

Astrophytum capricorne F.A.C. Weber in Bois.,

Astrophytum myriostigma Lem.,

Astrophytum ornatum F.A.C. Weber in Bois.

Aztekium Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 52. 1929

Etymology: Latin: referring to the Aztecs.

Species (2):

Aztekium hintonii Glass & W.A. Fitz Maur., Cact. Suc. Mex. 37: 13 (-16), figs. 1992.

Aztekium ritterii Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 52. 1929.

 

Coryphantha (Engelm.) Lem., Cactées p. 32. 1868.

Etymology: Greek: koryphe= crown, and anthos= flower.

Species (ca. 60): Coryphantha calipensis Bravo ex S. Arias Montes, U. Guzman Cruz & S. Gama Lûpez, Coryphantha calochlora Boed., Coryphantha clava Lem., Coryphantha compacta (Engelm.) Britton & Rose, Coryphantha cornifera (A. P. de Candolle) Lem., Coryphantha cornuta (Hildmann ex K. Schumann) A. Berger, Coryphantha delaetiana (Quehl) A. Berger, Coryphantha difficilis (Quehl) Orcutt, Coryphantha durangensis (Runge ex K. Schumann) Britton & Rose, Coryphantha echinoidea (Quehl) Britton & Rose, Coryphantha echinus (Engelm.) Britton & Rose, Coryphantha elephantidens (Lem.) Lem., Coryphantha erecta (Lem. ex Pfeiffer) Lem., Coryphantha georgii Boed., Coryphantha glandulifera Lem., Coryphantha glassii Dicht & A. D. Luthy, Coryphantha gracilis L. Bremer & A. B. Lau, Coryphantha grandis L. Bremer, Coryphantha grata L. Bremer, Coryphantha guerkeana (Boed.) Britton & Rose, Coryphantha henricksonii (Glass & R. A. Foster) Glass & R. A. Foster, Coryphantha hintoniorum Dicht & A. D. Luthy, Coryphantha indensis L.Bremer, Coryphantha jalpanensis F. G. Buchenau, Coryphantha longicornis Boed., Coryphantha macromeris (Engelm.) Lem., Coryphantha maiztablasensis Fritz Schwarz ex Backeberg, Coryphantha maliterrarum L. Bremer, Coryphantha melleospina Bravo, Coryphantha missouriensis (Sweet) Britton & Rose, Coryphantha nickelsiae (K.Brandegee) Britton & Rose, Coryphantha octacantha (A. P. de Candolle) Britton & Rose, Coryphantha odorata Boed., Coryphantha ottonis (Pfeiffrer) Lem., Coryphantha pallida Britton & Rose, Coryphantha poselgeriana (A. Dietrich) Britton & Rose.

 

Echinocactus Link & Otto, Verh. Vereins Beford. Gartenbaues Konigl. Preuss. Staaten 3: 420. 1827.

Etymology: Greek: echinos= hedgehog, and kaktos= thistle.

Reference:

Species (6):

Echinocactus grusonii Hildm., Deutsche Gart.-Zeitung 5: 27 (-28). 1886.

Echinocactus horizonthalonius Lem., Cact. Gen. Nov. et Sp. 19.

Echinocactus ingens Zucc. ex Pfeiff., Enum. Diagn. Cact. 54. ,

Echinocactus platyacanthus Link & Otto, Verh. Vereins Beford. Gartenbaues Konigl. Preuss. Staaten 3: 423. 1827.

Echinocactus polycephalus Engelm. & J.M. Bigelow, Proc. Amer. Acad. Arts 3: 276. 1856.

Echinocactus texensis Hopf. in Otto & Dietr. Allg. Gartenz. 10: 297. 1842.

 

Echinomastus Britton & Rose, Cactaceae, 3: 147. 1922. [= Sclerocactus]

Etymology: Greek: echinos= hedgehog, and mastos= breast.

Species (10): Echinomastus acunensis W.T. Marshall, Saguaroland Bull. 7: 33. 1953. Echinomastus dasyacanthus Britton & Rose, Cactaceae 3: 150, fig. 157. 1922. Echinomastus durangensis Britton & Rose. Cactaceae 3: 152. 1922. Echinomastus erectocentrus Britton & Rose, Cactaceae 3: 148, fig. 154. 1922. Echinomastus intertextus Britton & Rose, Cactaceae 3: 149, fig. 156. 1922. Echinomastus johnsonii (Parry) E.M.Baxter in E.M.Baxter, Calif. Cact. 75. 1935. Echinomastus kakui Backeb., Descr. Cact. Nov. 3: 6. 1963. Echinomastus mariposensis Hester, Desert Pl. Life 17: 59 fig. 1945. Echinomastus unguispinus (Engelm.) Britton & Rose, Cactaceae 3: 150. 1922. Echinomastus warnockii (L.D.Benson) Glass & R.A.Foster, Cact. Succ. J. (Los Angeles) 47: 222. 1975.

Epithelantha F.A.C. Weber, in Bois, Dict. Hort. 2: 804. 1898.

Etymology: Greek: epi= upon, on, thele= nipple, and anthos= flower.

Species (3):

Epithelantha bokei L.D.Benson, Cact. Succ. J. (Los Angeles) 41: 185, fig. 1969.

Epithelantha greggii Orcutt, Cactography 5. 1926.

Epithelantha micromeris F.A.C. Weber in Bois, Dict. Hort. 2: 804. 1898, ex Britton & Rose, Cactaceae, 3: 93, fig. 102. 1922.

Escobaria Britton & Rose, Cactaceae 4: 53. 1923.

Etymology: Latin: honoring Romulo Numa Escobar.

Species (ca. 23):

Escobaria albicolumnaria Hester, Desert Pl. Life 13: 129, tab., 1941.

Escobaria alversonii (J.M.Coult.) N.P. Taylor, in Consensus Initiatives, 3: 10, 1997.

Escobaria chihuahuensis Britton & Rose, Cactaceae (Britton & Rose) 4: 55.,1923.

subsp. henricksonii (Glass & R.A. Foster) N.P. Taylor, in Consensus Initiatives, 5: 13, 1998.

Escobaria cubensis (Britton & Rose) D.R. Hunt, Cact. Succ. J. Gr. Brit. 40: 13, 1978.

Escobaria dasyacantha (Engelm.) Britton & Rose, Cactaceae (Britton & Rose) 4: 55 (fig. 52), 1923.

subsp. chaffeyi (Britton & Rose) N.P. Taylor, in Consensus Initiatives, 5: 13, 1998.

Escobaria deserti (Engelm.) P. Buxb., Oesterr. Bot. Z. 98: 78, 1951.

Escobaria duncanii (Hester) Backeb., Cactac. Handb. Kakteenk (Backeberg) 5: 2966, 1961.

Escobaria emskoetteriana (Quehl) Borg, Cacti (Borg), p. 304, 1937.

Escobaria guadalupensis S. Brack & K.D. Heil, Cact. Succ. J. (Los Angeles) 58: 165 (-166), fig., 1986.

Escobaria hesteri (Y.Wright) Buxb., Oesterr. Bot. Z. 98: 78, 1951.

Escobaria laredoi (Glass & R.A. Foster) N.P. Taylor, Cact. Succ. J. Gr. Brit. 41: 20, 1979.

Escobaria lloydii Britton & Rose, Cactaceae (Britton & Rose) 4: 57, 1923.

Escobaria minima (Baird) D.R. Hunt, Cact. Succ. J. Gr. Brit. 40: 30, 1978.

Escobaria missouriensis (Sweet) D.R. Hunt, Cact. Succ. J. Gr. Brit. 40: 13, 1978.

subsp. asperispina (Boed.) N.P. Taylor, Consensus Initiatives, 5: 13, 1998.

Escobaria orcuttii Boed., Mammillarien-Vergleichs-Schluessel p. 17, 1933.

var. koenigii Castetter, P. Pierce & K.H. Schwer., Cact. Succ. J. (Los Angeles) 47: 68 [-69], f. 10, 11, 1975.

var. macraxina Castetter, P. Pierce & K.H. Schwer., Cact. Succ. J. (Los Angeles) 47: 66 [-68], f. 8, 9, 1975.

Escobaria organensis (Zimmerman) Castetter, P. Pierce & K.H. Schwer., Cact. Succ. J. (Los Angeles) 47: 60, 1975.

Escobaria robbinsorum (W.H. Earle) D.R. Hunt, Cact. Succ. J. Gr. Brit. 40: 13, 1978.

Escobaria sandbergii Castetter, P. Pierce & K.H. Schwer., Cact. Succ. J. (Los Angeles) 47: 62 [-64], figs. 1-4, 1975.

Escobaria sneedii Britton & Rose, Cactaceae (Britton & Rose) 4: 56 (fig. 54), 1923.

subsp. leei (Rose ex Boed.) D.R. Hunt, Consensus Initiatives, 4: 5, 1997.

Escobaria tuberculosa (Engelm.) Britton & Rose, Cactaceae (Britton & Rose) 4: 54, (fig. 51), 1923.

Escobaria villardii Castetter, P. Pierce & K.H. Schwer., Cact. Succ. J. (Los Angeles) 47: 64 [-66], fig., 1975.

Escobaria vivipara (Nutt.) Buxb., Oesterr. Bot. Z. 98: 78, 1951 (as vivipera).

Escobaria zilziana (Boed.) Backeb., Cactac. Handb. Kakteenk (Backeberg) 5: 2957, 1961.

 

Ferocactus Britton & Rose, Cactaceae 3: 123. 1922.

Etymology: Latin: ferox= fierce, and Greek: kaktos= thistle.

Reference:

Species (28): Ferocactus alamosanus, Ferocactus chrysacanthus (subspp. chrysacanthus, and grandiflorus), Ferocactus cylindraceus (subspp. cylindraceus, lecontei, and tortulispinus), Ferocactus diguetii (subspp. diguetii, and carmenensis), Ferocactus eastwoodiae, Ferocactus echidne (subspp. echidne, and victoriensis), Ferocactus emoryi (subspp. emoryi, and rectispinus), Ferocactus flavovirens, Ferocactus fordii, Ferocactus glaucescens, Ferocactus gracilis (subspp. gracilis, coloratus, and gatesii), Ferocactus hamatacanthus (subspp. hamatacanthus, and sinuatus), Ferocactus herrerae, Ferocactus histrix, Ferocactus johnstonianus, Ferocactus latispinus (subspp. latispinus, and spiralis), Ferocactus lindsayi, Ferocactus macrodiscus (subspp. macrodiscus, and septentrionalis), Ferocactus peninsulae, Ferocactus pilosus (subspp. pilosus, and pringlei), Ferocactus pottsi, Ferocactus robustus, Ferocactus santa-maria, Ferocactus schwarzii, Ferocactus tiburonensis, Ferocactus townsendianus, Ferocactus viridescens (subspp. viridescens, and littoralis), Ferocactus wislizeni

Geohintonia Glass & W.A.Fitz Maurice, Cact. Suc. Mex., 37: 16, 1992.

Etymology: Latin: honoring George B. Hinton.

Species (1):

Geohintonia mexicana Glass & W. A. Fitz Maurice, Cact. Suc. Mex. 37: 17 (-19; figs), 1992.

Leuchtenbergia Hook., Bot. Mag. t. 4393. 1848.

Etymology: Latin: honoring Eugene de Bauharnais, Duke of Leuchtenberg.

Species (1):

Leuchtenbergia principis Hook., Bot. Mag. t. 4393. 1848.

Lophophora Coult., Contr. U. S. Natl. Herb. 3: 131. 1894.

Etymology: Greek: lophos= crest, and phorein= to carry.

Species (2-8):

Lophophora diffusa (Croizat) Bravo, Cact. Suc. Mex. 12: 13. 1967.

Lophophora echinata Croizat, Desert Pl. Life 16: 43. 1944.

Lophophora fricii Habermann, Kaktusy (Brno) p. 123. 1974.

Lophophora jourdaniana Habermann, Kaktusy (Brno) 11: 3. 1975.

Lophophora lewinii (Hennings ex Lewin) Rusby, Bull. Pharm. 8: 306. 1894.

Lophophora lutea (Rouhier) Backeb., Cactaceae 5: 2901. 1961.

Lophophora viridescens (Halda) Halda, Acta Mus. Richnov., Sect. Nat. 4: 71. 1997.

Lophophora williamsii (Lem. ex Salm-Dyck) J.M. Coult., Contr. U. S. Natl. Herb. 3: 131. 1894.

Mammillaria Haw., Syn. Pl. Succ. P. 177, 1812.

Etymology: Latin: mammilla= nipple

Species (ca. 171):

Mammillaria albicans A. Berger, Kakteen (Berger) p. 308, 1929.

Mammillaria albicoma Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 241 (fig.), 1929.

Mammillaria albiflora (Werderm.) Backeb., Blutt. Kakteenf. 2: [3] genus 131, sp. 7 (fig.), 1937.

Mammillaria albilanata Backeb., Kakteenkunde p. 47, fig., 1939.

subsp. oaxacana D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. reppenhagenii (D.R. Hunt) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. tegelbergiana (H.E .Gates ex G.E. Linds.) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

Mammillaria amajacensis Brachet & M. Lacoste, Cact. Succ. J. (U.S.A.) 69: 185, 1997.

Mammillaria angelensis R.T.Craig, Mammill. Handbook p. 165, (fig. 146), 1945.

Mammillaria anniana Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 53: 79 (-80), fig., 1981.

Mammillaria armillata K.Brandegee, Zoe 5: 7, 1900.

Mammillaria aureilanata Backeb., Beitr. Sukkulentenk. Sukkulentenpflege p. 13, 1938.

Mammillaria backebergiana Buchenau, Natl. Cact. Succ. J. 21: 47, 1966.

Mammillaria barbata Engelm. in Wisl., Mem. Tour N. Mexico p. 105, 1848.

Mammillaria baumii Boed., Z. Sukkulentenk. 2: 238, fig., 1926.

Mammillaria beneckei Ehrenb., Bot. Zeitung (Berlin) 2: 833, 1844.

Mammillaria blossfeldiana Boed., Monatsschr. Deutsch. Kakteen-Ges. 3: 209, fig., 1931.

Mammillaria bocasana Poselg., Allg. Gartenzeitung (Otto & Dietrich) 21: 94, 1853.

subsp. eschauzieri (J.M. Coult.) W.A. Fitz Maur. & B. Fitz Maur. J. Mammillaria Soc. 35: 17, 1995.

Mammillaria bocensis R.T.Craig, Mammill. Handbook p. 56, fig. 38, 1945.

Mammillaria boelderliana M. Wohlschlager, Kakteen Sukk. 39: 79, figs., 1988.

Mammillaria bombycina Quehl, Monatsschr. Kakteenk. 20: 149, (fig.), 1910.

Mammillaria boolii G.E. Lindsay Cact. Succ. J. (Los Angeles) 25: 48, 1953.

Mammillaria brachytrichion Luthy, Kakteen Sukk. 38: 295, figs., 1987.

Mammillaria brandegei Engelm. ex K. Brandegee, Erythea 5: 116, 1897.

subsp. gabbii (J.M. Coult.) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

subsp. glareosa (Boed.) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

subsp. lewisiana (H.E. Gates) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

Mammillaria canelensis R.T. Craig, Mammill. Handbook p. 307, fig. 279, 1945.

Mammillaria capensis (H.E. Gates) R.T. Craig, Mammill. Handbook p. 156, 1945.

Mammillaria carmenae Castaneda, Anales Inst. Biol. Univ. Nac. Mexico 24: 233, (-235; fig. 12), 1954.

Mammillaria carnea Zucc. ex Pfeiff., Enum. Diagn. Cact. p. 19, 1837.

Mammillaria carretii Rebut ex K. Schum., Gesamtbeschr. Kakt. p. 542, 1898.

Mammillaria cerralboa (Britton & Rose) Orcutt, Cactography p. 7, 1926.

Mammillaria chionocephala J.A. Purpus, Monatsschr. Kakteenk. 16: 41, 1906.

Mammillaria coahuilensis (Boed.) Moran, Gentes Herb. 8: 324, 1953.

subsp. albiarmata (Boed.) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

Mammillaria columbiana Salm-Dyck, Cact. Hort. Dyck. p. 99. 1850 (1849).

subsp. yucatanensis (Britton & Rose) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

Mammillaria compressa DC., Mem. Mus. Hist. Nat. 17: 112, 1828.

subsp. centralifera (Repp.) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

Mammillaria crinita DC., Mem. Mus. Hist. Nat. 17: 112, 1828.

Mammillaria crucigera Mart., Hort. Reg. Monac. p. 127, 1829.

subsp. tlalocii (Repp.) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

Mammillaria decipiens Scheidw., Bull. Acad. Roy. Sci. Bruxelles 5: 496, 1839.

subsp. albescens (Tiegel) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

subsp. camptotricha (Dams) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria deherdtiana Farwig, Cact. Succ. J. (Los Angeles) 41: 28 (figs. 1-3), 1969.

Mammillaria densispina (J.M. Coult.) Orcutt, Cactography p. 7, 1926.

Mammillaria dioica K.Brandegee, Erythea 5: 115, 1897.

Mammillaria discolor Haw., Syn. Pl. Succ. p. 177, 1812.

subsp. esperanzaensis (Boed.) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria dixanthocentron Backeb., Descr. Cact. Nov. 3: 8, 1963.

Mammillaria duoformis R.T. Craig & E.Y. Dawson, Allan Hancock Found. Publ. Occas. Pap. 2: 59, tab. 18, fig. 4, 1948.

Mammillaria ekmanii Werderm., Arkiv Bot., Stockh. 22A: 11, 1929.

Mammillaria elongata DC., Mem. Mus. Hist. Nat. 17: 109, 1828.

subsp. echinaria (DC.) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria eriacantha Link & Otto ex Pfeiff., Enum. Diagn. Cact. p. 32, 1837.

Mammillaria erythrosperma Boed., Monatsschr. Kakteenk. 28: 101, (fig.), 1918.

Mammillaria estebanensis G.E. Lindsay, Cact. Succ. J. (Los Angeles) 39: 31, (figs.), 1967.

Mammillaria evermanniana (Britton & Rose) Orcutt, Cactography p. 7, 1926.

Mammillaria fittkaui Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 43: 116, (figs. 1 - 5), 1971.

Mammillaria flavicentra Backeb. ex Mottram, Mammill. Index p. 31, 1980.

Mammillaria formosa Galeotti ex Scheidw., Bull. Acad. Brux. 5: 497, 1838.

subsp. microthele (Muehlenpf.) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. pseudocrucigera (R.T. Craig) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

Mammillaria fraileana (Britton & Rose) Boed., Mammill.-Vergl.-Schluss. p. 30, 1933.

Mammillaria gasseriana Boed., Z. Sukkulentenk. 3: 75, fig., 1927.

Mammillaria geminispina DC., Mem. Mus. Hist. Nat. 17: 30, tab. 3, 1828.

subsp. leucocentra (A. Berg) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

Mammillaria gigantea Hildm. ex K. Schum., Gesamtbeschr. Kakt. p. 578, 1898.

Mammillaria glassii R.A.Foster, Cact. Succ. J. (Los Angeles) 40: 132, (figs.), 1968.

subsp. ascensionis (Repp.) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

Mammillaria glochidiata Mart., Hort. Reg. Monac. p. 12, 1829 et Nov. Act. Nat. Cur. 16: 337, tab. 23, 1832.

Mammillaria goodridgii Scheer ex Salm-Dyck, Cact. Hort. Dyck ed. 2. 10, 91, 1850.

Mammillaria grahami Engelm., Syn. Cact. U. S. p. 262, 1856.

Mammillaria grusoni Runge, Gartenflora 38: 105, 1889.

Mammillaria guelzowiana Werderm., Z. Sukkulentenk. 3: 356, (fig.), 1928.

Mammillaria guerreronis (Bravo) Boed. in Backeb. & F.M. Knuth, Kaktus-ABC p. 391, 1935.

Mammillaria guillauminiana Backeb., Cactus (Paris) 33, suppl.: 2. 1952.

Mammillaria haageana Pfeiff., Allg. Gartenzeitung (Otto & Dietrich) 4: 257, 1836.

subsp. acultzingensis (T. Linzen et al.) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. conspicua (J.A. Purpus) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. elegans D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

subsp. schmollii (R.T. Craig) D.R. Hunt, Mammillaria Postscripts 6: 9, 1997.

Mammillaria hahniana Werderm., Monatsschr. Deutsch. Kakteen-Ges. 1: 77, fig., 1929.

subsp. bravoae (R.T. Craig) D.R. Hunt, Mammillaria Postscripts b: 10, 1997.

subsp. mendeliana (Bravo) D.R. Hunt, Mammillaria Postscripts b: 10, 1997.

subsp. woodsii (R.T. Craig) D.R. Hunt, Mammillaria Postscripts b: 10, 1997.

Mammillaria halbingeri Boed., Kakteenkunde p. 9, fig., 1933.

Mammillaria heidiae Krainz, Kakteen Sukk. 26: 217, 1975.

Mammillaria hernandezii Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 55: 22, (36; fig.), 1983.

Mammillaria herrerae Werderm., Notizbl. Bot. Gart. Berlin-Dahlem 11: 276, 1931.

Mammillaria hertrichiana R.T. Craig, Mammill. Handbook p. 92, fig. 74, 1945.

Mammillaria heyderi Muehlenpf., Allg. Gartenzeitung (Otto & Dietrich) 16: 20, 1848.

subsp. gaumeri (Britton & Rose) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

subsp. gummifera (Engelm.) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

subsp. hemisphaerica (Engelm.) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

subsp. macdougalii (Rose) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

subsp. meiacantha (Engelm.) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

Mammillaria huitzilopochtli D.R. Hunt, Cact. Succ. J. Gr. Brit. 41: 106, 1979.

subsp. niduliformis (A.B. Lau) J. Pilbeam, Mammillaria (Cactus File Handbook) 6: 143, 1999.

Mammillaria humboldtii Ehrenb., Linnaea 14: 378, 1840.

Mammillaria hutchisoniana (H.E.Gates) Boed. ex Backeb. & F.M. Knuth, Kaktus-ABC p. 387, 1935.

subsp. louisae (G.E.Linds.) D.R.Hunt, Mammillaria Postscripts 6: 5, 1997.

Mammillaria insularis H.E. Gates ex Shurly, Cact. Succ. J. (Los Angeles) 10: 25, 1938.

Mammillaria jaliscana (Britton & Rose) Boed., Mammillarien-Vergleichs-Schluessel p. 35, 1933.

Mammillaria johnstonii (Britton & Rose) Orcutt, Cactography p. 7, 1926.

Mammillaria karwinskiana Mart., Nov. Act. Nat. Cur. 16: 335, tab. 22, 1832.

subsp. beiselii (Diers) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

subsp. collinsii (Britton & Rose) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

subsp. nejapensis (R.T. Craig & E.Y. Dawson) D.R.Hunt, Mammillaria Postscripts 6: 11, 1997.

Mammillaria klissingiana Boed., Z. Sukkulentenk. 3: 123, fig., 1927.

Mammillaria kraehenbuehlii (Krainz) Krainz, Kakteen (H. Krainz) CVIIIc.: 46-47, 1971.

Mammillaria lasiacantha Engelm., Proc. Amer. Acad. Arts 3: 261, (Syn. Cact. U. S. 5), 1856.

subsp. egregia (Backeb. ex Rogoz. & Appenz.) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

subsp. hyalina D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

Mammillaria laui D.R. Hunt, Cact. Succ. J. Gr. Brit. 41: 100, 1979.

subsp. dasyacantha (D.R. Hunt) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

subsp. subducta (D.R. Hunt) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria lenta K. Brandegee, Zoe 5: 194, 1904.

Mammillaria limonensis Repp., Kakteen Sukk. 36: 46 (fig.), 1985.

Mammillaria lindsayi R.T. Craig, Cact. Succ. J. (Los Angeles) 12: 182, fig., 1940.

Mammillaria longiflora (Britton & Rose) A.Berger, Kakteen (Berger) p. 296, 1929.

subsp. stampferi (Repp.) D.R. Hunt, Mammillaria Postscripts 6: 5, 1997.

Mammillaria longimamma DC., Mem. Mus. Hist. Nat. 17: 113, 1828.

Mammillaria luethyi G.S. Hinton, Phytologia 80: 58, fig., 1996.

Mammillaria magallanii F. Schmoll ex R.T. Craig, Mammill. Handbook p. 225, (fig. 205), 1945.

Mammillaria magnifica Buchenau, Cact. Suc. Mex. 12: 3, 1967.

Mammillaria magnimamma Haw., Till. Phil. Mag. 63: 14, 1824.

Mammillaria mainae K.Brandegee, Zoe 5: 31, 1900.

Mammillaria mammillaris (L.) Karst., Pharm. Med. Bot. p. 888, 1882.

Mammillaria marcosii W.A. Fitz Maur., B. Fitz Maur. & Glass, Cact. Succ. J. (Los Angeles) 69: 10, fig., 1997.

Mammillaria marksiana Krainz, Sukkulentenkunde 2: 21, fig., 1948.

Mammillaria mathildae Kraehenbuehl & Krainz, Kakteen Sukk. 24: 265 (266), fig., 1973.

Mammillaria matudae Bravo, Cact. Succ. J. Gr. Brit. 18: 83, 1956.

Mammillaria mazatlanensis K. Schum. ex Gurke, Monatsschr. Kakteenk. 11: 154 (155; fig.), 1901.

subsp. patonii (Bravo) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

Mammillaria melaleuca Karw. ex Salm-Dyck, Cact. Hort. Dyck. p. 108, 1850 (1849).

Mammillaria melanocentra Poselg., Allg. Gartenzeitung (Otto & Dietrich) 23: 17, 1855.

subsp. linaresensis (R. Wolf & F. Wolf) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

subsp. rubrograndis (Repp. & A.B. Lau) D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

Mammillaria mercadensis (Britton & Rose) Patoni, Bol. Comite Regional Estado Durango 1: 54, 1910.

Mammillaria meyranii Bravo, Cact. Succ. J. Gr. Brit. 18: 84, 1956.

Mammillaria microhelia Werderm., Monatsschr. Deutsch. Kakteen-Ges. 2: 236 (fig.), 1930.

Mammillaria miegiana W.H. Earle, Saguaroland Bull. 26: 77, 1972.

Mammillaria mieheana Tiegel, Moller's Deutsche Gartn.-Zeitung 48: 397, fig., (without Latin diagnosis) 1933.

Mammillaria moelleriana Boed., Z. Sukkulentenk. 1: 213 (fig.), 1924.

Mammillaria morganiana Tiegel, Moller's Deutsche Gartn.-Zeitung 48: 397, fig., (without Latin diagnosis) 1933.

Mammillaria muehlenpfordtii Foerster, Allg. Gartenzeitung (Otto & Dietrich) 15: 49, 1847.

Mammillaria multidigitata Radley ex G.E. Lindsay, Cact. Succ. J. (Los Angeles) 19: 152 (figs.), 1947.

Mammillaria mystax Mart., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16: 332, 1832.

Mammillaria napina J.A. Purpus, Monatsschr. Kakteenk. 22: 161, 1912.

Mammillaria neopalmeri R.T. Craig, Mammill. Handbook p. 267, 1945.

Mammillaria nivosa Link ex Pfeiff., Enum. Diagn. Cact. p. 11, 1837.

Mammillaria nunezii (Britton & Rose) Orcutt, Cactography, p. 8, 1926.

subsp. bella (Backeb.) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

Mammillaria orcuttii Boed., Monatsschr. Deutsch. Kakteen-Ges. 2: 258, fig., 1930.

Mammillaria oteroi Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 47: 94 (96; figs.), 1975.

Mammillaria parkinsonii Ehrenb., Linnaea 14: 375, 1840.

Mammillaria pectinifera F.A.C. Weber in Bois, Dict. Hort. 2: 804, 1898.

Mammillaria peninsularis (Britton & Rose) Orcutt, Cactography p. 8, 1926.

Mammillaria pennispinosa Krainz, Sukkulentenkunde 2: 20 (fig.), 1948; Jahrb. Schweiz. Kakt.-Ges. 2: 20, 1948.

Mammillaria perbella Hildm. ex K.Schum., Gesamtbeschr. Kakt. p. 567, 1898.

Mammillaria perezdelarosae Bravo & Scheinvar, Cact. Suc. Mex. 30: 76 (figs.), 1985.

Mammillaria petrophila K.Brandegee, Zoe 5: 193, 1904.

subsp. arida (Rose ex Quehl) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

subsp. baxteriana (H.E. Gates) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

Mammillaria petterssonii Hildm., Deutsche Gart.-Zeitung p. 185, 1886.

Mammillaria phitauiana Werderm. in Backeb., Neue Kakteen p. 96, 1931.

Mammillaria picta Meinsh., Wochenschr. Gartnerei Pflanzenk. 1: 27, 1858.

subsp. viereckii (Boed.) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

Mammillaria pilispina J.A. Purpus, Monatsschr. Kakteenk. 22: 150, 1912.

Mammillaria plumosa F.A.C. Weber in Bois, Dict. Hort. 2: 804, 1898.

Mammillaria polyedra Mart., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16: 326, 1832.

Mammillaria polythele Mart., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16: 328, 1832.

subsp. durispina (Boed.) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

subsp. obconella (Scheidw.) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria pottsii Scheer ex Salm-Dyck, Cact. Hort. Dyck. ed. II. p. 104, 1950.

Mammillaria prolifera (P. Miller) Haw., Syn. Pl. Succ. p. 177, 1812.

subsp. arachnoidea (D.R. Hunt) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

subsp. haitiensis (K.Schum.) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

subsp. texana (Engelm.) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

Mammillaria rekoi Vaupel in Engl. & Prantl, Nat. Pflanzenfam., ed. 2. 21: 633, 1925.

subsp. aureispina (A.B. Lau) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

subsp. leptacantha (A.B. Lau) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

Mammillaria rhodantha Link & Otto, Icon. Pl. Rar. (Link et al.) p. 51, 1829.

subsp. aureiceps (Lem.) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

subsp. fera-rubra (Schmoll ex R.T. Craig) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

subsp. mccartenii D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

subsp. mollendorffiana (Shurly) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

subsp. pringlei (J.M. Coult.) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

Mammillaria roseoalba Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 87, fig., 1929.

Mammillaria saboae Glass, Cact. Suc. Mex. 11: 55 (figs. 23-25), 1966.

subsp. goldii (Glass & R.A. Foster) D.R. Hunt, Mammillaria Postscripts 6: 5, 1997.

subsp. haudeana (A.B. Lau & K. Wagner) D.R. Hunt, Mammillaria Postscripts 7: 3, 1998.

Mammillaria sanchez-mejoradae R.Gonzalez G., Cact. Suc. Mex. 37: 55 (figs.), 1992.

Mammillaria sartorii J.A. Purpus, Monatsschr. Kakteenk. 21: 50, 1911.

Mammillaria schiedeana Ehrenb., Allg. Gartenzeitung (Otto & Dietrich) 6: 249, 1838.

subsp. dumetorum (J.A. Purpus) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

subsp. giselae (Mart.-Avalos & Glass) Luthy, Kakteen Sukk. 49: 184, 1998.

Mammillaria schumannii Hildm., Monatsschr. Kakteenk. 1: 125, pl. 8, 1891.

Mammillaria schwarzii Shurly, Cact. Succ. J. Gr. Brit. 11: 17, 1949.

Mammillaria scrippsiana (Britton & Rose) Orcutt, Cactography p. 8, 1926.

Mammillaria sempervivi DC., Mem. Mus. Hist. Nat. 16: 114, 1828.

Mammillaria senilis Lodd. ex Salm-Dyck, Cact. Hort. Dyck. 8, 82, 1850 (1849).

Mammillaria sheldonii Boed. in Boed., Mammillarien-Vergleichs-Schluessel p. 30, 1933.

Mammillaria solisioides Backeb., Cactus (Paris) 31, suppl.: 3, 1952.

Mammillaria sonorensis R.T. Craig, Cact. Succ. J. (Los Angeles) 12: 155, 1940.

Mammillaria sphacelata Mart., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16: 339 (t. 25, fig. 1), 1832.

subsp. viperina (J.A. Purpus) D.R. Hunt, Mammillaria Postscripts 6: 7, 1997.

Mammillaria sphaerica A.Dietr., Allg. Gartenzeitung (Otto & Dietrich) 21: 94, 1853.

Mammillaria spinosissima Lem., Cact. Aliq. Nov. Desc. p. 4., 1838.

subsp. pilcayensis (Bravo) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

subsp. tepoxtlana D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

Mammillaria standleyi (Britton & Rose) Orcutt, Cactography, p. 8, 1926.

Mammillaria stella-de-tacubaya Heese, Gartenflora 53: 214 (-215). 1904.

Mammillaria supertexta Mart. ex Pfeiff. Enum. Diagn. Cact. p. 25, 1837.

Mammillaria surculosa Boed., Monatsschr. Deutsch. Kakteen-Ges. 3: 78, fig., 1931.

Mammillaria tayloriorum Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 47: 175 (-176), figs., 1975.

Mammillaria tepexicensis J. Meyran, Cact. Suc. Mex. 36: 62, (fig.), 1991.

Mammillaria tetrancistra Engelm., Amer. J. Sci. 2: 337, 1852.

Mammillaria theresae Cutak, Cact. Succ. J. (Los Angeles) 39: 237 (-241; figs.), 1967.

Mammillaria thornberi Orcutt, W. Amer. Sci. 12: 161, 1902.

subsp. yaquensis (R.T. Craig) D.R. Hunt, Mammillaria Postscripts 6: 5, 1997.

Mammillaria tonalensis D.R. Hunt, Cact. Succ. J. Gr. Brit. 41: 103, 1979.

Mammillaria uncinata Zucc. ex Pfeiff., Enum. Diagn. Cact. p. 34, 1837.

Mammillaria varieaculeata Buchenau, Cact. Suc. Mex. 11: 79, fig. 40, 1966.

Mammillaria vetula Mart., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16: 338, tab. 24, 1832.

subsp. gracilis (Pfeiff.) D.R. Hunt, Mammillaria Postscripts 6: 6, 1997.

Mammillaria voburnensis Scheer, London J. Bot. 4: 136, 1845.

subsp. eichlamii (Quehl) D.R. Hunt, Mammillaria Postscripts 6: 11, 1997.

Mammillaria wagneriana Boed., Monatsschr. Deutsch. Kakteen-Ges. 4: 199, figs., 1932.

Mammillaria weingartiana Boed., Monatsschr. Deutsch. Kakteen-Ges. 4: 219, (fig.), 1932.

Mammillaria wiesingeri Boed., Kakteenkunde p. 204, fig. , 1933.

Mammillaria winteriae Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 119, fig., 1929.

subsp. aramberri D.R. Hunt, Mammillaria Postscripts 6: 10, 1997.

Mammillaria wrightii Engelm., Proc. Amer. Acad. Arts 3: 262, 1856.

subsp. wilcoxii (Toumey ex K. Schum.) D.R. Hunt, Mammillaria Postscripts 6: 5, 1997.

Mammillaria xaltianguensis Sanchez-Mejorada, Anales Inst. Biol. Univ. Nac. Auton. Mexico, Bot. 44. Ser. Bot. (1): 30 (-32), figs., 1974 (1973).

subsp. bambusiphila (Repp.) D.R. Hunt, Mammillaria Postscripts 6: 8, 1997.

Mammillaria zephyranthoides Scheidw., Allg. Gartenzeitung (Otto & Dietrich) 9: 41, 1841.

Mammillaria zublerae Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens p. 48 (-49), 1987.

Mammilloydia Buxb., Oesterr. Bot. Z. 98: 64. 1951.

Etymology: Latin, combining mammilla= nipple, and Lloyd, honoring Francis Ernest Lloyd

Species (2):

Mammilloydia candida (Scheidw.) Buxb., Oesterr. Bot. Z. 98: 65. 1951.

Mammilloydia ortizrubiana (Bravo) Buxb., Oesterr. Bot. Z. 98: 65. 1951.

Neolloydia Britton & Rose, Bull. Torrey Bot. Club 49: 251. 1922.

Etymology: Latin: honoring Francis Ernest Lloyd

Species (2):

Neolloydia conoidea Britton & Rose, Bull. Torrey Bot. Club 49: 252. 1922.

Neolloydia matehualensis Backeberg,

 

Obregonia Fric., Zivot v Prirod 29: 14, 1925.

Etymology: Latin: honoring Alvaro Obregon

Species (1):

Obregonia denegrii Fric, Zivot Prir. 29: 14, 1925.

Ortegocactus Alexander, Cact. Succ. J. (Los Angeles) 33: 39, fig. 17, 18, 1961.

Etymology:

Species (1):

Ortegocactus macdougallii Edward Alexander, Cact. Succ. J. (Los Angeles) 33: 39, fig. 17, 18. 1961

 

Pediocactus Britton & Rose, Ill. Fl. N. U.S. (Britton & Brown), ed. 2. 2: 569. 1913.

Etymology: Greek: pedion= plain, and kaktos= thistle.

Species (9):

Pediocactus bradyi L.D. Benson, Cact. Succ. J. (Los Angeles) 34: 19. 1962.

Pediocactus despainii S.L. Welsh & Goodrich, Great Basin Naturalist 40: 83 (-86), fig. 1980.

Pediocactus knowltonii L.D. Benson, Cact. Succ. J. (Los Angeles) 32: 193. 1960.

Pediocactus nigrispinus (Hochstätter) Hochstätter, Succulenta (Netherlands) 71: 99. 1992.

Pediocactus paradinei B.W. Benson, Cact. Succ. J. (Los Angeles) 29: 136. 1957.

Pediocactus peeblesianus (Croizat) L.D. Benson subsp. fickeisenii (Hochstätter) Lüthy, Kakt. And. Sukk, 50: 278. 1999.

Pediocactus sileri (Engelm. ex J.M. Coult.) L.D. Benson, Cact. Succ. J. (Los Angeles) 33: 53. 1961.

Pediocactus simpsonii Britton & Rose, Ill. Fl. N. U.S. (Britton & Brown), ed. 2, 2: 570, fig. 2983. 1913.

Pediocactus winkleri K.D. Heil, Cact. Succ. J. (Los Angeles) 51: 28 (-30), figs. 1979.

 

Pelecyphora Ehrenb., Bot. Zeitung (Berlin) 1: 737. 1843.

Etymology: Greek: pelekys= axe, and phoros= bearing.

Species (6):

Pelecyphora aselliformis Ehrenb., Bot. Zeitung (Berlin) 1: 737. 1843.

Pelecyphora pectinata K. Schum., in Engl. & Prantl, Nat. Pflanzenfam. 3, Abt. 6a: 195. 1894.

Pelecyphora plumosa Boed. & Ritter, Monatsschr. Deutsch. Kakt.-Ges. 2: 116. 1930.

Pelecyphora pseudopectinata Backeb., Kakteenkunde 5: 98. 1935.

 

Pelecyphora strobiliformis (Werderm.) Fric & Schelle ex Kreuz., Verzeichnis Amer. Sukk. Rev. Syst. Kakteen 9. 1935.

Pelecyphora valdeziana H. Moeller, Deutsche Gart.-Zeitung 45: 179, 207. 1930.

Sclerocactus Britton & Rose, Cactaceae 3: 212. 1922.

Etymology: Greek: scleros= cruel, and kaktos= thistle.

Species (22):

Sclerocactus brevihamatus (Engelm.) D.R. Hunt, Bradleya 9: 91, 1991.

subsp. tobuschi (W.T. Marshall) N.P. Taylor, Piante Grasse 15: 8, 1995.

Sclerocactus brevispinus K.D. Heil & J.M. Porter, Haseltonia 2: 26, 1994.

Sclerocactus cloverae K.D. Heil & J.M. Porter, Haseltonia 2: 31-32, 1994.

subsp. brackii K.D. Heil & J.M. Porter, Haseltonia 2: 33, 1994.

Sclerocactus erectocentrus (J.Coulter) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus glaucus (K. Schum.) L.D. Benson, Cact. Succ. J. (Los Angeles) 38: 53, 1966.

Sclerocactus intertextus (Engelm.) N.P. Taylor, Bradleya 5: 94. 1987.

var. dasyacanthus (Engelm.) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus johnsonii (Engelm.) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus mariposensis (Hester) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus mesae-verdae (Boissev. & C. Davidson) L.D. Benson, Cact. Succ. J. (Los Angeles) 38: 54, 1966.

Sclerocactus nyensis Hochstätter, Succulenta (Netherlands) 71: 253, fig., 1992.

Sclerocactus papyracanthus (Engelm.) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus parviflorus Clover & Jotter, Bull. Torrey Bot. Club 68: 419, fig., 1941.

subsp. havasupaiensis (Clover) Hochstätter, Succulenta (Netherlands) 74: 38, 1995.

subsp. intermedius (Peebles) K.D. Heil & J.M. Porter, Haseltonia 2: 27, 1994.

subsp. terrae-canyonae (K.D. Heil) K.D. Heil & J.M. Porter, Haseltonia 2: 27, 1994.

Sclerocactus polyancistrus Britton & Rose, Cactaceae (Britton & Rose) 3: 213, pl. 23, 1922.

Sclerocactus pubispinus (Engelm.) L.D. Benson, Cact. Succ. J. (Los Angeles) 38: 103, 1966.

Sclerocactus scheeri (Salm-Dyck) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus sileri (L.D. Benson) K.D. Heil & J.M. Porter, Haseltonia 2: 39, 1994.

Sclerocactus spinosior (Engelm.) D. Woodruff & L.D. Benson, Cact. Succ. J. (Los Angeles) 48: 131, 1976.

subsp. blainei (S.L. Welsh & K.H. Thorne) Hochstätter, Succulenta (Netherlands) 74: 43, 1995.

Sclerocactus unguispinus (Engelm.) N.P. Taylor, Bradleya 5: 94, 1987.

var. durangensis (Runge) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus warnockii (L.D. Benson) N.P. Taylor, Bradleya 5: 94, 1987.

Sclerocactus wetlandicus Hochstätter, Succulenta (Netherlands) 68: 123, figs., 1989.

Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & Rose, Cactaceae (Britton & Rose) 3: 213, pl. 16, 1922.

Sclerocactus wrightiae L.D. Benson, Cact. Succ. J. (Los Angeles) 38: 55, 1966.

 

Stenocactus (K.Schum.) A. Berger, Kakteen (Berger) 244, 346. 1929.

Etymology: Greek: stenos= narrow, and kaktos= thistle.

Species (9):

Stenocactus coptonogonus (Lemaire) A. Berger ex A. W. Hill, Kakteen (Berger) p. 346, 1929.

Stenocactus crispatus (A. P. de Candolle) A. Berger ex A. W. Hill, Kakteen (Berger) p. 346, 1929.

Stenocactus hastatus (Hopffer ex K. Schumann) A. Berger, Kakteen (Berger) p. 346, 1929.

Stenocactus obvallatus (A. P. de Candolle) A. Berge, Kakteen (Berger) p. 346, 1929.

Stenocactus ochoterenanus Tiegel, Moller's Deutsche Gartn.-Zeitung 48: 397, fig., 1933.

Stenocactus phyllacanthus (A. Dietrich et Otto) A. Berger ex A. W. Hill, Kakteen (Berger) p. 346, 1929.

Stenocactus rectispinus C. Schmoll ex Bravo, Cact. Suc. Mex. 14: 65 (-66), 1969 (nomen nudum).

Stenocactus sulfureus (A. Dietrich) Bravo, Cact. Suc. Mex. 27: 16, 1982.

Stenocactus vaupelianus (Werdermann) F.M. Knuth, Backeb. & F. M. Knuth, Kaktus-ABC p. 355, 1935.

Strombocactus Britton & Rose, Cactaceae (Britton & Rose) 3: 106. 1922.

Etymology: Greek: strombos= top or fir-cone, and kaktos= thistle.

Species (2):

Strombocactus disciformis (De Candolle) Britton & Rose, Cactaceae (Britton & Rose) 3: 106, fig. 115-116, 1922.

subsp. esperanzae Glass & S. Arias, Brit. Cact. Succ. J. 14: 202, fig., 1996.

Strombocactus pulcherrimus Halda, Cactaceae etc. 6: 88 (-91), 1996.

Thelocactus Britton & Rose, Bull. Torrey Bot. Club 49: 251, 1922.

Etymology: Greek: thelos= nipple, and kaktos= thistle.

Species (11):

Thelocactus bicolor (Galeotti ex Pfeiffer) Britton & Rose,

subsp. bolaensis (Runge) Doweld,

subsp. flavidispinus (Backeberg) N.P. Taylor,

subsp. heterochromus (Weber) Mosco & Zanovello,

subsp. schwarzii (Backeberg) N.P. Taylor),

Thelocactus buekii (Klein) Britton & Rose,

Thelocactus conothelos (Regel & Klein) Backeb. & F. Knuth,

subsp. argenteus (Glass & Foster) Glass,

subsp. aurantiacus (Glass & Foster) Glass,

subsp. flavus (Mosco & Zanovello) Mosco & Zanovello,

subsp. garciae (Glass) Mosco & Zanovello),

Thelocactus hastifer (Werderm. & Boedeker) F. Knuth, in Backeb. & F. Knuth,

Thelocactus hexaedrophorus (Lemaire) Britton & Rose,

Thelocactus lausseri J. Riha & J. Busek,

Thelocactus leucacanthus (Zucc. ex Pfeiffer ) Britton & Rose,

subsp. schmollii (Werder.) Mosco & Zanovello),

Thelocactus macdowellii (Rebut ex Quehl) C. Glass,

Thelocactus multicephalus Halda & Panarotto,

Thelocactus rinconensis (Poselger) Britton & Rose,

subsp. rinconensis,

subsp. freudenbergeri (Haas) Mosco & Zanovello,

subsp. hintonii Luethy,

subsp. nidulans (Quehl) Glass),

Thelocactus tulensis (Poselger) Britton & Rose.

Turbinicarpus Buxb. & Backeb., Jahresber. K. K. Staats-Ober-Realschule Steyr 1st Teil, p. 27, 1937.

Etymology: Latin: turbineus= top, and Greek: karpos= fruit.

Species (24):

Turbinicarpus alonsoi Glass & S. Arias, Kakteen Sukk. 47: 26, fig., 1996.

Turbinicarpus beguinii (N.P. Taylor) Mosco & Zanov., Bradleya 15: 81, 1997.

Turbinicarpus bonatzii Gerhart Frank, Succulenta (Netherlands) 71: 280, 1992.

Turbinicarpus booleanus G.S. Hinton, Phytologia 80: 62, fig., 1996.

Turbinicarpus gielsdorfianus (Werderm.) V. John & Riha, Kaktusy (Brno) 19: 22, 1983.

Turbinicarpus hoferi Lüthy & A.B. Lau, Kakteen Sukk. 42: 37, figs., 1991.

Turbinicarpus horripilus (Lem.) V. John & Riha, Kaktusy (Brno) 19: 22, 1983.

Turbinicarpus jauernigii G. Frank, Succulenta (Netherlands) 72: 114, figs., 1993.

Turbinicarpus knuthianus (Boed.) V. John & Riha, Kaktusy (Brno) 19: 22, 1983.

Turbinicarpus laui Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 47: 118 [-119], fig. 1, 1975.

Turbinicarpus lophophoroides (Werderm.) Buxb. & Backeb., Jahrb. Deutsch. Kakteen-Ges., 1st Teil p. 27, 1937.

Turbinicarpus mandragora (Fric ex A. Berger) A.D. Zimmerman, Bradleya 9: 92, 1991.

Turbinicarpus pailanus Halda & Panar., Acta Mus. Richnov., Sect. Nat. 5: 162, 1998.

Turbinicarpus pseudomacrochele (Backeb.) Buxb. & Backeb., Jahrb. Deutsch. Kakteen-Ges., 1st Teil, p. 27, 1937.

subsp. krainzianus (Gerhart Frank) Glass, Guía Identific. Cactá. Amenazadas México [unpaged], 1998 [1997].

subsp. lausseri (Diers & G. Frank) Glass, Guía Identific. Cactá. Amenazadas México [unpaged], 1998 [1997].

Turbinicarpus pseudopectinatus (Backeb.) Glass & R.A. Foster, Cact. Succ. J. (Los Angeles) 49: 175, 1977.

Turbinicarpus rioverdensis Gerhart Frank, Succulenta (Netherlands) 71: 66, 1992.

Turbinicarpus saueri (Boed.) V. John & Riha, Kaktusy (Brno) 19: 22, 1983.

Turbinicarpus schmiedickeanus (Boed.) Buxb. & Backeb., Jahrb. Deutsch. Kakteen-Ges., 1st Teil, p. 27, 1937.

subsp. andersonii Mosco, Consensus Initiatives 7: 18, 1999.

subsp. dickisoniae (Glass & R.A. Foster) N.P. Taylor, Consensus Initiatives 5: 14, 1998.

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