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
Mammillaria picta 'viereckii'	SB 558	Mexicó : Tamaulipas (Jamave)
Sclerocactus parviflorus	SB 559	USA : New Mexico (San Juan river , San Juan County)
Sclerocactus parviflorus v. intermedius	SB 560	USA : Utah (San Juan County)
Sclerocactus cloveriae	SB 561	USA : New Mexico (North-East of San Juan County)
Sclerocactus parviflorus v. reevesii	SB 562	USA : Utah (San Juan County)
Thelocactus bicolor	SB 563	Mexicó : Coahuila (Cuesta la Muralla)
Thelocactus bicolor v. heterochromus	SB 564	Mexicó : Chihuahua (Matamoros)
Mammillaria deherdtiana	SB 565	Mexicó : Oaxaca (Mitla)
Leuchtenbergia principis	SB 566	Mexicó : Coahuila (Hipolito)
Thelocactus bicolor v. bolansis	SB 567	USA : Texas (Brewster County)
Coryphantha pallida	SB 568	Mexicó : Puebla (Tehuacan)
Coryphantha poselgeriana	SB 569	Mexicó : Durango (Yerbanis)
Echinocereus pectinatus v. wenigeri	SB 570	Mexicó : Chihuahua (Chihuahua City)
Pediocactus peeblesianus	SB 571	USA : Arizona (Navajo County)
Mammillaria meridorosei	SB 572	USA : Arizona (Huachuca Mountains)
Mammillaria tetrancistra	SB 573	USA : Arizona (South of Pierce's Ferry)
Coryphantha werdermannii	SB 575	Mexicó : Coahuila (Cuatrocienagas)
Coryphantha pseudoechinus	SB 576	Mexicó : Coahuila (San Pedro de las Colonias)
Coryphantha pseudonickelsiae	SB 577	Mexicó : Durango (Rodeo)
Mammillaria albilanata	SB 578	Mexicó : Oaxaca (Mitla)
Thelocactus leucacanthus v. schmollii	SB 579	Mexicó : Queretaro (Vizarron)
Mammillaria haageana	SB 580	Mexicó : Pueblo (San Lorenzo)
Mammillaria rekoi	SB 581	Mexicó : Oaxaca (Mitla)
Echinocereus fendleri v. fasciculatus	SB 582	USA : Arizona (Graham County)
Mammillaria nejapensis	SB 583	Mexicó : Oaxaca (Nejapa)
Opuntia whipplei	SB 584	USA : Arizona (Coconino County)
Escobaria vivipara v. arizonica	SB 585	USA : Arizona (Cameron , Coconino County)
Pediocactus simpsonii	SB 586	USA : Utah (Wayne County)
Escobaria vivipara v. arizonica	SB 587	USA : Utah (West of Wayne County)
Echinocactus xeranthemoides	SB 588	USA : Arizona (Marble Canyon , Conoconi County)
Opuntia erinacea	SB 589	USA : Utah (San Juan County)
Sclerocactus spinosior	SB 591	USA : Utah (Sevier County)
Sclerocactus parviflorus ssp. terrae-canyonae	SB 592	USA : Utah (Wayne County)
Sclerocactus parviflorus ssp. intermedius	SB 593	USA : Arizona (Mohave County)
Opuntia basilaris	SB 594	USA : Arizona (Coconino County)
Opuntia fragilis x polyacantha	SB 595	USA : Utah (Wayne County)
Neolloydia conoidea	SB 596	Mexicó : Zacatecas (La Blanca)
Ancistrocactus megarhizus	SB 597	Mexicó : Tamaulipas (Llera)
Escobaria hesteri	SB 598	USA : Texas (Brewster County)
Coryphantha radians	SB 599	Mexicó : Queretaro (Vizarron)

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