Field number : L 1177
Collector : Alfred Bernhard Lau
Species : Mammillaria pennispinosa v. nazasensis 
Locality : Mexicó : Durango (km 18 , road to Mina Navidad 1000m) Google Maps * Geocode
Date : 11/10/1978
Notes :
together with Thelocactus heterochromus
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Field number : LAU 1177
Collector : Alfred Bernhard Lau
Species : Mammillaria pennispinosa v. nazasensis
Locality : Mexicó : Durango (km 18 , road to Mina Navidad 1000m) Google Maps * Geocode
Date : 11/10/1978
Notes :
together with Thelocactus heterochromus
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Field number : LAU 1445
Collector : Alfred Bernhard Lau
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi 1000m) Google Maps * Geocode
Date : 05/04/1965
Notes :
together with Echinocereus conglomeratus, Echinomastus mapimiensis
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Field number : L 1445
Collector : Alfred Bernhard Lau
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi 1000m) Google Maps * Geocode
Date : 05/04/1965
Notes :
together with Echinocereus conglomeratus, Echinomastus mapimiensis
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Field number : GLDONEY 519
Collector : Charles (Charlie) Edward Glass, B. Doney
Species : Mammillaria pennispinosa
Locality : Bermejillo to Mapimi, Highway 49, km 16, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : GLF 784
Collector : Charles (Charlie) Edward Glass, Robert Alan (Bob) Foster (also see notes)
Species : Mammillaria pennispinosa
Locality : tops of hills and East slopes towards La Zarca, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : GLF 802
Collector : Charles (Charlie) Edward Glass, Robert Alan (Bob) Foster (also see notes)
Species : Mammillaria pennispinosa v. nazasensis
Locality : 6 miles West of Highway 45, near Rio Nazas, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : SH 1177
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria pennispinosa v. nazasensis
Locality : Mexicó : Durango (km 18 , road to Mina Navidad 1000m) Google Maps * Geocode
Date : 11/10/1978
Notes :
together with Thelocactus heterochromus
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Field number : SH 1445
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi 1000m) Google Maps * Geocode
Date : 05/04/1965
Notes :
together with Echinocereus conglomeratus, Echinomastus mapimiensis
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Field number : GM1781
Collector : Grzegorz Matuszewski
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Puente Vinagrillos, 1180 m) Google Maps * Geocode
Date :
Notes :
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Field number : GM1781
Collector : Grzegorz Matuszewski
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Puente Vinagrillos, 1180 m) Google Maps * Geocode
Date :
Notes :
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Field number : ROG 717
Collector : Helmut Rogozinski
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi) Google Maps * Geocode
Date : 2005
Notes :
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Field number : ISI 887
Collector : International Succulent Introductions (previously International Succulent Institute)
Species : Mammillaria pennispinosa v. nazasensis
Locality : North of Rio Nazas, Durango, Mexicó Google Maps
Date : 01/03/75
Notes :
Seeds collected by Louise Lippold
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Field number : KKR 527
Collector : Karel Kracik
Species : Mammillaria pennispinosa v. nazasensis
Locality : Mexicó : Durango (Puente Ojuella w) Google Maps * Geocode
Date :
Notes :
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Field number : LRM 474
Collector : Living Rocks of Mexico. Now Geoff Bailey, John Miller, previously also David (Dave) Rushforth.
Species : Mammillaria pennispinosa
Locality : Bermejillo, Durango, Mexicó Google Maps
Date : 25/06/09
Notes :
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Field number : ML 632
Collector : Michel Lacoste
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (km17 of MEX-30 , Bermejillo - Mapimi 1350m) Google Maps * Geocode
Date : 13/03/1996
Notes :
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Field number : MZ 1358
Collector : Milan Zachar
Species : Mammillaria pennispinosa ssp. nazasensis
Locality : Mexicó : Durango (Minas de Navidad) Google Maps * Geocode
Date :
Notes :
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Field number : RS 1108
Collector : Roman Staník
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (direction to Mapimi) Google Maps * Geocode
Date :
Notes :
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Field number : SB 489
Collector : Steven (Steve) Brack
Species : Mammillaria pennispinosa v. nazasensis
Locality : Mexicó : Durango (Rodeo) Google Maps * Geocode
Date :
Notes :
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Field number : SB 1061
Collector : Steven (Steve) Brack
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Bermejillo) Google Maps * Geocode
Date :
Notes :
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Field number : VM 556
Collector : Vojtech Myšák
Species : Mammillaria pennispinosa
Locality : Mexicó : (Bermejillo) Google Maps
Date :
Notes :
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Field number : WM 890
Collector : Wendell (Woody) Minnich
Species : Mammillaria pennispinosa
Locality : Bermejillo, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : WM 2550
Collector : Wendell (Woody) Minnich
Species : Mammillaria pennispinosa
Locality : Bermejillo, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : WM 3550
Collector : Wendell (Woody) Minnich
Species : Mammillaria pennispinosa
Locality : Bermejillo, Durango, Mexicó Google Maps
Date :
Notes :
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Field number : REP 1205
Collector : Werner Reppenhagen
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi, 1200m) Google Maps * Geocode
Date :
Notes :
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Field number : REPP 1205
Collector : Werner Reppenhagen
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (Mapimi, 1200m) Google Maps * Geocode
Date :
Notes :
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Field number : WK 34
Collector : Wolfgang Krueger
Species : Mammillaria pennispinosa
Locality : Mexicó : Durango (km16 of MEX-30 , Bermejillo to Mapimi 1350m) Google Maps * Geocode
Date : 1977
Notes :
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Field number : PN 433
Collector : Wolfgang Plein
Species : Mammillaria pennispinosa
Locality : MEX30, km 16, Bermejillo to Mapimi, Durango, Mexicó 1265m Google Maps
Date :
Notes :
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Field number : WTH 234
Collector : Wolter ten Hoeve
Species : Mammillaria pennispinosa
Locality : Volcanic, rocky hill West of Bermejillo, Durango, Mexicó Google Maps
Date : 2002
Notes :
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