1829 Fields number on the database for Steven (Steve) Brack

All Adromischus Agave Anacampseros Ancistrocactus Antegibbaeum Antimima Argyroderma Aridaria Ariocarpus Astridia Astroloba Astrophytum Aztekium Beaucarnea Braunsia Bulbine Bursera Caralluma Cephalophyllum Chasmatophyllum Cheiridopsis Conophytum Corynopuntia Coryphantha Cotyledon Crassulaceae Cylindropuntia Delosperma Delphinium Dicrocaulon Didymaotus Dinteranthus Dracophilus Drosanthemopsis Drosanthemum Dudleya Eberlanzia Echeveria Echinocactus Echinocereus Echinofossulocactus Echinomastus Encephalocarpus Energanthe Epithelantha Escobaria Ferocactus Fouquieria Gasteria Gibbaeum Glandulicactus Glottiphyllum Graptopetalum Grusonia Gymnocactus Hamatocactus Helianthus Hereroa Homalocephala Huernia Ibervillea Jacobsenia Lampranthus Lapidaria Leipoldtia Lenophyllum Leuchtenbergia Lithops Lophophora Machaerocereus Malephora Mammillaria Marenopuntia Melocactus Meyerophytum Mitrophyllum Monilaria Muiria Nelia Neolloydia Nyctocereus Obregonia Odontophorus Oophytum Ophthalmophyllum Opophytum Opuntia Oscularia Pachycereus Pachyphytum Pediocactus Pelecyphora Peniocereus Pleiospilos Polymita Quaqua Rathbunia Rhinephyllum Ruschia Sceletium Schwantesia Sclerocactus Sedum Senecio Sphalmanthus Stapelia Stoeberia Stomatium Strombocactus Tanquana Thelocactus Thompsonella Titanopsis Toumeya Trichodiadema Tromotriche Turbinicarpus Tylecodon Vanzijlia Villadia      

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20 - 40 - 80

Species	Field number	Locality	Picture
Escobaria hesteri	SB 430	USA : Texas (Brewster County)
Mammillaria lasiacantha	SB 431	USA : Texas (Brewster County)
Mammillaria johnstonii	SB 432	Mexicó : Sonora (San Carlos Bay)
Mammillaria boolii	SB 433	Mexicó : Sonora (San Carlos Bay)
Mammillaria microcarpa	SB 434	Mexicó : Sonora (Hermosillo)
Echinocereus leucanthus	SB 435	Mexicó : Sonora (Guasimas)
Echinofossulocactus phyllacanthus 'grandicornis' aff.	SB 436	Mexicó : San Luis Potosi (Huizache)
Echinofossulocactus crispatus	SB 437	Mexicó : San Luis Potosi (Huizache)
Echinofossulocactus phyllacanthus v. violaciflorus	SB 438	Mexicó : San Luis Potosi (near San Luis Potosi)
Mammillaria thornberi	SB 439	USA : Arizona (Tucson , Pima County)
Mammillaria candida	SB 440	Mexicó : Nuevo Leon (Santa Ana)
Escobaria runyonii	SB 441	USA : Texas (Val Verde County)
Echinocereus pulchellus v. weinbergii	SB 442	Mexicó : Zacatecas (Sombrerete)
Mammillaria heyderi v. meiacantha	SB 443	USA : Texas (Brewster County)
Mammillaria roseocentra	SB 444	Mexicó : Durango (Lerdo)
Mammillaria zeyeriana	SB 445	Mexicó : Durango (Lerdo)
Mammillaria roseocentra	SB 446	Mexicó : (San Pedro de las Colonias)
Mammillaria gasseriana	SB 447	Mexicó : Durango (El Palmito)
Obregonia denegrii	SB 448	Mexicó : Tamaulipas (San Vicente)
Echinocereus reichenbachii v. perbellus	SB 450	USA : New Mexico (Quay County)
Echinocereus reichenbachii v. perbellus	SB 451	USA : New Mexico (Quay County)
Echinomastus warnockii	SB 452	Mexicó : Coahuila (central Coahuila)
Coryphantha durangensis	SB 453	Mexicó : Durango (Lerdo)
Epithelantha micromeris	SB 454	USA : New Mexico (Lake Valley , Sierra County)
Escobaria vivipara v. bisbeeana	SB 455	USA : New Mexico (South-West of Sierra County)
Echinocereus fendleri v. rectispinus	SB 456	USA : New Mexico (Lake Valley , Sierra County)
Escobaria vivipara v. bisbeeana	SB 457	USA : New Mexico (Hidalgo County)
Echinocereus fendleri v. rectispinus	SB 458	USA : New Mexico (Big Hatchet Mountains)
Escobaria roseana	SB 459	Mexicó : Coahuila (Higueras)
Ancistrocactus scheeri	SB 460	Mexicó : Coahuila (Monclova)
Echinocereus fendleri v. rectispinus	SB 461	USA : New Mexico (Luna County)
Echinomastus erectocentrus	SB 462	USA : Arizona (Pima County)
Echinocereus bristolii v. pseudopectinatus	SB 463	USA : Arizona (Bisbee , Cochise County)
Escobaria robbinsorum	SB 464	USA : Arizona (Cochise County)
Mammillaria guelzowiana	SB 465	Mexicó : Durango (Abasolo)
Mammillaria candida	SB 466	Mexicó : San Luis Potosi (Presa de Guadelupe)
Escobaria duncanii	SB 467	Mexicó : Coahuila (Cuatrocienegas)
Pediocactus peeblesianus v. fickeiseniae	SB 468	USA : Arizona (Coconino County)
Pediocactus peeblesianus v. fickeisenii 'maia'	SB 469	USA : Arizona (Coconino County)
Pediocactus bradyi	SB 470	USA : Arizona (Coconino County)

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