Cactus and Succulent Field Number Query

Field number : L 81
Collector : Alfred Bernhard Lau
Species : Mammillaria gueldemanniana v. guirocobensis
Locality : Mexicó : Sonora (Guirocoba , Alamos 800-1000m) Google Maps * Geocode
Date : 10/04/1973
Notes :
together with Mammillaria sonorensis, Echinocereus stoloniferus, Echinocereus subinermis

http://www.mammillarias.net

Field number : LAU 81
Collector : Alfred Bernhard Lau
Species : Mammillaria gueldemanniana v. guirocobensis
Locality : Mexicó : Sonora (Guirocoba , Alamos 800-1000m) Google Maps * Geocode
Date : 10/04/1973
Notes :
together with Mammillaria sonorensis, Echinocereus stoloniferus, Echinocereus subinermis

http://www.mammillarias.net

Field number : L 1272
Collector : Alfred Bernhard Lau
Species : Mammillaria evermanniana
Locality : Mexicó : Baja California (Isla Cerralbo 50-100m) Google Maps * Geocode
Date : 19/10/1979
Notes :
together with Mammillaria cerralboa, Mammillaria fraileana, Ferocactus diguetii

http://www.mammillarias.net

Field number : LAU 1272
Collector : Alfred Bernhard Lau
Species : Mammillaria evermanniana
Locality : Mexicó : Baja California (Isla Cerralbo 50-100m) Google Maps * Geocode
Date : 19/10/1979
Notes :
together with Mammillaria cerralboa, Mammillaria fraileana, Ferocactus diguetii

http://www.mammillarias.net

Field number : L 1293
Collector : Alfred Bernhard Lau
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Sierra de Alamos 1100-1300m) Google Maps * Geocode
Date : 04/12/1980
Notes :
together with L1292, L1294, Mammillaria sonorensis

http://www.mammillarias.net

Field number : LAU 1293
Collector : Alfred Bernhard Lau
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Sierra de Alamos 1100-1300m) Google Maps * Geocode
Date : 04/12/1980
Notes :
together with L1292, L1294, Mammillaria sonorensis

http://www.mammillarias.net

Field number : LAU 1332
Collector : Alfred Bernhard Lau
Species : Mammillaria anniana
Locality : Mexicó : Tamaulipas (Cerro Bernal , Gonzales 800m) Google Maps * Geocode
Date : 05/05/1981
Notes :

http://www.mammillarias.net

Field number : L 1332
Collector : Alfred Bernhard Lau
Species : Mammillaria anniana
Locality : Mexicó : Tamaulipas (Cerro Bernal , Gonzales 800m) Google Maps * Geocode
Date : 05/05/1981
Notes :

http://www.mammillarias.net

Field number : GLMENDOZA 5231
Collector : Charles (Charlie) Edward Glass, Elena Aguilar, Nina Gama, Mario Mario Mendoza-Garcia
Species : Mammillaria hoffmanniana
Locality : 4.8 miles below the La Poza or El Salto waterfall, road to Victoria, Mexicó Google Maps
Date : 14/06/09
Notes :

http://www.mammillarias.net

Field number : GLF 3875
Collector : Charles (Charlie) Edward Glass, Robert Alan (Bob) Foster (also see notes)
Species : Mammillaria hoffmanniana
Locality : road East of San Luis de la Paz to Xichu, Guanajuato, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : SH 81
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria gueldemanniana v. guirocobensis
Locality : Mexicó : Sonora (Guirocoba , Alamos 800-1000m) Google Maps * Geocode
Date : 10/04/1973
Notes :
together with Mammillaria sonorensis, Echinocereus stoloniferus, Echinocereus subinermis

http://www.mammillarias.net

Field number : SH 1272
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria evermanniana
Locality : Mexicó : Baja California (Isla Cerralbo 50-100m) Google Maps * Geocode
Date : 19/10/1979
Notes :
together with Mammillaria cerralboa, Mammillaria fraileana, Ferocactus diguetii

http://www.mammillarias.net

Field number : SH 1293
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Sierra de Alamos 1100-1300m) Google Maps * Geocode
Date : 04/12/1980
Notes :
together with L1292, L1294, Mammillaria sonorensis

http://www.mammillarias.net

Field number : SH 1332
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria anniana
Locality : Mexicó : Tamaulipas (Cerro Bernal , Gonzales 800m) Google Maps * Geocode
Date : 05/05/1981
Notes :

http://www.mammillarias.net

Field number : GM 1367
Collector : Grzegorz Matuszewski
Species : Mammillaria hoffmanniana (polyacantha)
Locality : Mexicó : Queretaro (Mesa del Leon, 1830 m) Google Maps * Geocode
Date : 10/07/2010
Notes :


The picture are property of the collectors.

http://www.mammillarias.net

Field number : ROG 2
Collector : Helmut Rogozinski
Species : Mammillaria zeilmanniana aff.
Locality : Mexicó : Zacatecas (Fresnillo) Google Maps * Geocode
Date : 1986
Notes :

http://www.mammillarias.net

Field number : ROG 216
Collector : Helmut Rogozinski
Species : Mammillaria gueldemanniana
Locality : Mexicó : Chihuahua (La Buffa, Rio Batopilas) Google Maps * Geocode
Date : 1991
Notes :

http://www.mammillarias.net

Field number : ROG 226
Collector : Helmut Rogozinski
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (San Nicolas) Google Maps * Geocode
Date : 1991
Notes :

http://www.mammillarias.net

Field number : ROG 227
Collector : Helmut Rogozinski
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Navajo) Google Maps * Geocode
Date : 1991
Notes :

http://www.mammillarias.net

Field number : ROG 228
Collector : Helmut Rogozinski
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (San Bernardo) Google Maps * Geocode
Date : 1991
Notes :

http://www.mammillarias.net

Field number : ROG 485
Collector : Helmut Rogozinski
Species : Mammillaria hoffmanniana aff.
Locality : Mexicó : Guanajuato (Aldama) Google Maps * Geocode
Date : 1999
Notes :

http://www.mammillarias.net

Field number : IDD 0314
Collector : Igor D. Dráb
Species : Mammillaria zeilmanniana
Locality : Mexicó : San Luis Potosí (El Xoconoxtle) Google Maps * Geocode
Date : 16/05/1993
Notes :
CSD 294

http://www.mammillarias.net

Field number : ISI 1050
Collector : International Succulent Introductions (previously International Succulent Institute)
Species : Mammillaria hoffmanniana
Locality : On road from San Luis de la Paz to Xichu, Guanajuato, Mexicó Google Maps
Date : 01/03/78
Notes :
Seeds collected as Gass and Foster3875

http://www.mammillarias.net

Field number : CSD 294
Collector : Jaromír Chvastek, Roman Staník, Igor Dráb
Species : Mammillaria zeilmanniana
Locality : Mexicó : San Luis Potosí (El Xoconoxtle) Google Maps * Geocode
Date : 17/05/1997
Notes :
IDD314

http://www.mammillarias.net

Field number : MZ 708
Collector : Milan Zachar
Species : Mammillaria hoffmanniana
Locality : Vergel, Guanajuato, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : MZ 1400
Collector : Milan Zachar
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Guirocoba) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : RS 470
Collector : Roman Staník
Species : Mammillaria zeilmanniana
Locality : Mexicó : San Luis Potosi (El Xoconoxtle) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : SB 705
Collector : Steven (Steve) Brack
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Tesopaco) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : SB 707
Collector : Steven (Steve) Brack
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Tesopaco) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : WM 343
Collector : Wendell (Woody) Minnich
Species : Mammillaria evermanniana
Locality : Isla Cerralbo, Baja California Sur, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 6414
Collector : Wendell (Woody) Minnich
Species : Mammillaria hoffmanniana
Locality : Villa de Arista, San Luis Potosi, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 6651
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : North-West of Tasajeras, Sinaloa, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 6741
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : 22 miles North of San Bernardo, Sonora, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 6851
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : El Socorro, Baja California, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 7830
Collector : Wendell (Woody) Minnich
Species : Mammillaria hoffmanniana
Locality : Mexicó : Guanajuato (West of Xichú) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : WM 8201
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : East of El Novillo, Sonora, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 8272
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : 20 miles South of Obregon, Sonora, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 8291
Collector : Wendell (Woody) Minnich
Species : Mammillaria gueldemanniana
Locality : El Salto, Sonora, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 8910
Collector : Wendell (Woody) Minnich
Species : Mammillaria werdermanniana
Locality : Atarjea, Guanajuato, Mexicó Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : WM 9010
Collector : Wendell (Woody) Minnich
Species : Mammillaria hoffmanniana
Locality : Mexicó : Guanajuato (Xichú) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : REP 560
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Alamos, 800m) Google Maps * Geocode
Date : 30/09/1971
Notes :

http://www.mammillarias.net

Field number : REPP 560
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Alamos, 800m) Google Maps * Geocode
Date : 30/09/1971
Notes :

http://www.mammillarias.net

Field number : REP 561
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Rio Guchujaqui, 600m) Google Maps * Geocode
Date : 30/09/1971
Notes :

http://www.mammillarias.net

Field number : REPP 561
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Rio Guchujaqui, 600m) Google Maps * Geocode
Date : 30/09/1971
Notes :

http://www.mammillarias.net

Field number : REP 562
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Guirocoba) Google Maps * Geocode
Date : 01/10/1971
Notes :

http://www.mammillarias.net

Field number : REPP 562
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Guirocoba) Google Maps * Geocode
Date : 01/10/1971
Notes :

http://www.mammillarias.net

Field number : REP 743
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Bacuberito, 200m) Google Maps * Geocode
Date : 17/08/1973
Notes :

http://www.mammillarias.net

Field number : REPP 743
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Bacuberito, 200m) Google Maps * Geocode
Date : 17/08/1973
Notes :

http://www.mammillarias.net

Field number : REP 808
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Alamos, 500m) Google Maps * Geocode
Date : 02/09/1974
Notes :

http://www.mammillarias.net

Field number : REPP 808
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Alamos, 500m) Google Maps * Geocode
Date : 02/09/1974
Notes :

http://www.mammillarias.net

Field number : REPP 1588
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Chihuahua (La Bufa/Rio Batopila, 1150m) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : REP 1588
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Chihuahua (La Bufa/Rio Batopila, 1150m) Google Maps * Geocode
Date :
Notes :

http://www.mammillarias.net

Field number : REPP 1806
Collector : Werner Reppenhagen
Species : Mammillaria anniana
Locality : Mexicó : Tamaulipas (Cerro Bernal, 350m) Google Maps * Geocode
Date : 01/02/1981
Notes :

http://www.mammillarias.net

Field number : REP 1806
Collector : Werner Reppenhagen
Species : Mammillaria anniana
Locality : Mexicó : Tamaulipas (Cerro Bernal, 350m) Google Maps * Geocode
Date : 01/02/1981
Notes :

http://www.mammillarias.net

Field number : REP 2089
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (El Novillo, 300m) Google Maps * Geocode
Date : 01/04/1985
Notes :

http://www.mammillarias.net

Field number : REPP 2089
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (El Novillo, 300m) Google Maps * Geocode
Date : 01/04/1985
Notes :

http://www.mammillarias.net

Field number : REP 2093
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Rio Yaqui, 1200m) Google Maps * Geocode
Date : 01/04/1985
Notes :

http://www.mammillarias.net

Field number : REPP 2093
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Rio Yaqui, 1200m) Google Maps * Geocode
Date : 01/04/1985
Notes :

http://www.mammillarias.net

Field number : REP 2108
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (San Bernardo, 450m) Google Maps * Geocode
Date : 04/04/1985
Notes :

http://www.mammillarias.net

Field number : REPP 2108
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (San Bernardo, 450m) Google Maps * Geocode
Date : 04/04/1985
Notes :

http://www.mammillarias.net

Field number : REPP 2126
Collector : Werner Reppenhagen
Species : Mammillaria hoffmanniana
Locality : Mexicó : Guanajuato (Trancas, 2050m) Google Maps * Geocode
Date : 14/04/1985
Notes :

http://www.mammillarias.net

Field number : REP 2126
Collector : Werner Reppenhagen
Species : Mammillaria hoffmanniana
Locality : Mexicó : Guanajuato (Trancas, 2050m) Google Maps * Geocode
Date : 14/04/1985
Notes :

http://www.mammillarias.net

Field number : REP 2177
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Reventon de Ranchito, 400m) Google Maps * Geocode
Date : 12/03/1988
Notes :

http://www.mammillarias.net

Field number : REPP 2177
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Reventon de Ranchito, 400m) Google Maps * Geocode
Date : 12/03/1988
Notes :

http://www.mammillarias.net

Field number : REPP 2180
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Rio Chois, 300m) Google Maps * Geocode
Date : 13/03/1988
Notes :

http://www.mammillarias.net

Field number : REP 2180
Collector : Werner Reppenhagen
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sinaloa (Rio Chois, 300m) Google Maps * Geocode
Date : 13/03/1988
Notes :

http://www.mammillarias.net

Field number : WK 59
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Chihuahua (Batopilas to La Bufa , Barranca del Cobre) Google Maps * Geocode
Date : 1988
Notes :

http://www.mammillarias.net

Field number : WK 67
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (San Nicol s) Google Maps * Geocode
Date : 1988
Notes :

http://www.mammillarias.net

Field number : WK 68
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (El Palmarito) Google Maps * Geocode
Date : 1988
Notes :

http://www.mammillarias.net

Field number : WK 342
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Los Hornos to Rosario) Google Maps * Geocode
Date : 1993
Notes :

http://www.mammillarias.net

Field number : WK 344
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (km97 of MEX-117) Google Maps * Geocode
Date : 1993
Notes :

http://www.mammillarias.net

Field number : WK 465
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Paredones , Saucito to Rosario de Tesopaco 800m) Google Maps * Geocode
Date : 1998
Notes :

http://www.mammillarias.net

Field number : WK 466
Collector : Wolfgang Krueger
Species : Mammillaria gueldemanniana
Locality : Mexicó : Sonora (Medina, km96.5 of SON-?, Nuri to Rosario de Tesopaco 750m) Google Maps * Geocode
Date : 1998
Notes :

http://www.mammillarias.net

Field number : PN 207
Collector : Wolfgang Plein
Species : Mammillaria hoffmanniana aff.
Locality : South of Aldama, Guanajuato, Mexicó 2230m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 307
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : CHIH75, km 56.8, North of Batopilas, La Bufa to Batopilas, Chihuahua, Mexicó 629m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 332
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Rio Cuchujaqui, North-East of Puente Arroyo Cuchujaqui, Sonora, Mexicó 278m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 335
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 17.4km from San Bernardo to Tojibambo, Sonora, Mexicó 401m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 337
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 9.6km from San Bernardo to Tojibambo, Sonora, Mexicó 248m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 339
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 3.4km from San Bernardo to Los Algodones, Sonora, Mexicó 238m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 352
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Sinaloa de Leyva to Bacurato, Sinaloa, Mexicó 126m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 356
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Bacubirito to El Paso, Sinaloa, Mexicó 179m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 361
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Rio Fuerte and Rio Chínipas confluence, Presa Huites, Sinaloa, Mexicó 270m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 363
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Rio Chínipas, Presa Huites, Sinaloa, Mexicó 270m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 365
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Rio Chínipas, Presa Huites, Sinaloa, Mexicó 270m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 376
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : North of El Guamúchil, Sonora, Mexicó 280m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 378
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : West of Güirocoba, Sonora, Mexicó 435m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 473
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : South-West of La Aduana, Sonora, Mexicó 636m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 476
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 17.8km from Alamos to Rancho San Pedro, 2.3km East of El Sabinito, Sonora, Mexicó 334m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 479
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : West of Güirocoba, Sonora, Mexicó 375m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 481
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 20km from Alamos to Rancho San Pedro, 22.5km along turn, Las Plomosas, Sonora, Mexicó 392m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 483
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : 20.5km from Alamos to Rancho San Pedro, Sonora, Mexicó 379m Google Maps
Date :
Notes :

http://www.mammillarias.net

Field number : PN 484
Collector : Wolfgang Plein
Species : Mammillaria gueldemanniana
Locality : Alamos to San Vicente, El Maquipo, Sonora, Mexicó 223m Google Maps
Date :
Notes :

http://www.mammillarias.net