Field number : LAU 616
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii 
Locality : Mexicó : Sonora (Nacozari 1000-1300m) Google Maps * Geocode
Date : 15/04/1973
Notes :
together with Echinocereus polyacanthus
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http://www.mammillarias.net
Field number : L 616
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii
Locality : Mexicó : Sonora (Nacozari 1000-1300m) Google Maps * Geocode
Date : 15/04/1973
Notes :
together with Echinocereus polyacanthus
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http://www.mammillarias.net
Field number : LAU 778
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Yecora 2000m) Google Maps * Geocode
Date : 31/03/1975
Notes :
together with L777, L779 Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : L 778
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Yecora 2000m) Google Maps * Geocode
Date : 31/03/1975
Notes :
together with L777, L779 Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : LAU 782
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Maycoba 1300-1600m) Google Maps * Geocode
Date : 01/04/1975
Notes :
together with Mammillaria saboae v. haudeana Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : L 782
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Maycoba 1300-1600m) Google Maps * Geocode
Date : 01/04/1975
Notes :
together with Mammillaria saboae v. haudeana Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : L 1042
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii f. wolfii
Locality : Mexicó : Chihuahua (Cuauhtemoc 2200m) Google Maps * Geocode
Date : 28/02/1974
Notes :
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http://www.mammillarias.net
Field number : LAU 1042
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii f. wolfii
Locality : Mexicó : Chihuahua (Cuauhtemoc 2200m) Google Maps * Geocode
Date : 28/02/1974
Notes :
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http://www.mammillarias.net
Field number : LAU 1497
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii
Locality : Mexicó : Chihuahua (road from Janos to Agua Prieta 1600-1800m) Google Maps * Geocode
Date : 17/07/1983
Notes :
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http://www.mammillarias.net
Field number : L 1497
Collector : Alfred Bernhard Lau
Species : Mammillaria wrightii
Locality : Mexicó : Chihuahua (road from Janos to Agua Prieta 1600-1800m) Google Maps * Geocode
Date : 17/07/1983
Notes :
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http://www.mammillarias.net
Field number : CS 889.3
Collector : Chris Sherrah
Species : Mammillaria wrightii
Locality : USA : Arizona (Brenda, 401 m) Google Maps
Date : 28/05/2016
Notes :
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http://www.mammillarias.net
Field number : CS 891.5
Collector : Chris Sherrah
Species : Mammillaria wrightii
Locality : USA : California (Cottonwood Springs, 930 m) Google Maps
Date : 30/05/2016
Notes :
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http://www.mammillarias.net
Field number : SH 616
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria wrightii
Locality : Mexicó : Sonora (Nacozari 1000-1300m) Google Maps * Geocode
Date : 15/04/1973
Notes :
together with Echinocereus polyacanthus
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http://www.mammillarias.net
Field number : SH 778
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Yecora 2000m) Google Maps * Geocode
Date : 31/03/1975
Notes :
together with L777, L779 Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : SH 782
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria wrightii v. wilcoxii
Locality : Mexicó : Sonora (Maycoba 1300-1600m) Google Maps * Geocode
Date : 01/04/1975
Notes :
together with Mammillaria saboae v. haudeana Mammillaria meridiorosei
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http://www.mammillarias.net
Field number : SH 1042
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria wrightii f. wolfii
Locality : Mexicó : Chihuahua (Cuauhtemoc 2200m) Google Maps * Geocode
Date : 28/02/1974
Notes :
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http://www.mammillarias.net
Field number : SH 1497
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria wrightii
Locality : Mexicó : Chihuahua (road from Janos to Agua Prieta 1600-1800m) Google Maps * Geocode
Date : 17/07/1983
Notes :
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http://www.mammillarias.net
Field number : LZ 47
Collector : Eberhard Lutz
Species : Mammillaria wrightii
Locality : USA : New Mexico (Kingston) Google Maps * Geocode
Date : 07/07/1987
Notes :
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http://www.mammillarias.net
Field number : LZ 258
Collector : Eberhard Lutz
Species : Mammillaria wrightii v. wilcoxii f. meridiorosei
Locality : USA : New Mexico (südwestl. Ecke) Google Maps * Geocode
Date : 22/08/1989
Notes :
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http://www.mammillarias.net
Field number : LZ 290
Collector : Eberhard Lutz
Species : Mammillaria wrightii v. wilcoxii
Locality : USA : Arizona (Douglas östl.) Google Maps * Geocode
Date : 25/07/1990
Notes :
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http://www.mammillarias.net
Field number : LZ 756
Collector : Eberhard Lutz
Species : Mammillaria wrightii
Locality : USA : New Mexico (Manzano Mnts.) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : FH 1001
Collector : Fritz Hochstätter
Species : Mammillaria wrightii
Locality : Santa Fe County, New Mexicó, USA 2000m Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : GL 6
Collector : Gary Loos
Species : Mammillaria wrightii
Locality : USA : New Mexico (Continental Divide, Grant County) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : GL 19
Collector : Gary Loos
Species : Mammillaria wrightii v. wolfii
Locality : Mexicó : Chihuahua (Santa Clara) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : HK 353
Collector : Horst Kuenzler
Species : Mammillaria wrightii
Locality : Mount Taylor, New Mexicó, USA Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : HK 354
Collector : Horst Kuenzler
Species : Mammillaria wrightii
Locality : Anton Chico, New Mexicó, USA Google Maps
Date :
Notes :
ex type locality
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http://www.mammillarias.net
Field number : HK 355
Collector : Horst Kuenzler
Species : Mammillaria wrightii
Locality : Organ Mountains Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : JM 118
Collector : Josef Mikulas
Species : Mammillaria wrightii
Locality : Santa Fe city, New Mexicó, USA Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : JM 202
Collector : Josef Mikulas
Species : Mammillaria wrightii
Locality : Ladrone Mountains, New Mexicó, USA Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : JM 205
Collector : Josef Mikulas
Species : Mammillaria wrightii
Locality : Sandia Mountains, New Mexicó, USA Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : RUS 524
Collector : Safronov Evgeny
Species : Mammillaria wrightii v. wolfii
Locality : Mexicó : Chihuahua (Kipor, 1616 m) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 3
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii v. wilcoxii 'mediorosei'
Locality : USA : New Mexico (Clanton Canyon, Guadelupe Mountains, Hidalgo County, (Arizona border)) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 86
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii
Locality : USA : New Mexico (Manzano Mountains, Torrance County) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 94
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii
Locality : USA : New Mexico (Santa Fe County) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 210
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii
Locality : USA : New Mexico (Ladrone Mountains , Socorro) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 374
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii
Locality : USA : New Mexico (Barnalillo County) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 668
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii v. wilcoxii 'mediorosei'
Locality : Mexicó : Sonora (Yecora) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 727
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii v. wilcoxii 'mediorosei'
Locality : USA : Arizona (Santa Cruz County) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 1814
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii
Locality : USA : New Mexico (San Lorenzo) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : SB 1823
Collector : Steven (Steve) Brack
Species : Mammillaria wrightii v. wilcoxii 'mediorosei'
Locality : Mexicó : Chihuahua (South-West of Buenaventura) Google Maps * Geocode
Date :
Notes :
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http://www.mammillarias.net
Field number : WM 7892
Collector : Wendell (Woody) Minnich
Species : Mammillaria wrightii / meridiorosei
Locality : South of Jiménez, Chihuahua, Mexicó Google Maps
Date :
Notes :
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http://www.mammillarias.net
Field number : WK 287
Collector : Wolfgang Krueger
Species : Mammillaria wrightii
Locality : Mexicó : Chihuahua (km67 of MEX-2 , Agua Prieta to Janos) Google Maps * Geocode
Date : 1992
Notes :
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http://www.mammillarias.net
Field number : WTH 657
Collector : Wolter ten Hoeve
Species : Mammillaria wrightii
Locality : Near top of pass between Buenaventura and Ignacio Zaragoza, Chihuahua, Mexicó Google Maps
Date : 2006
Notes :
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http://www.mammillarias.net