Field number : AH 54
Collector : Andreas Hofacker
Species : Frailea buenekeri ssp. densispina 
Locality : Brazil : Rio Grande do Sul (39km South of Sao Gabriel) Google Maps * Geocode
Date : 1990
Notes :
= AH54, FS515, GF335, HU1310, MGH58
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Field number : AH 114
Collector : Andreas Hofacker
Species : Frailea buenekeri ssp. densispina
Locality : Brazil : Rio Grande do Sul (sWest of Sao Gabriel, near Cerro Ouro) Google Maps * Geocode
Date : 1990
Notes :
= AH114, GF1000, HU1314
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Field number : LB 900
Collector : C. A. Ludwig Bercht
Species : Frailea buenekeri
Locality : near Sao Gabriel, Rio Grande do Sul, Brazil Google Maps
Date :
Notes :
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Field number : CS 399.1
Collector : Chris Sherrah
Species : Frailea buenekeri ssp. densispina
Locality : Brazil : Rio Grande do Sul (Bage to Sao Gabriel, 408 m) Google Maps
Date : 01/01/2010
Notes :
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Field number : CS 401.2
Collector : Chris Sherrah
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Vila Nova do Sul, 231 m) Google Maps
Date : 03/01/2010
Notes :
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Field number : CS 403.1
Collector : Chris Sherrah
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Sao Gabriel, 199 m) Google Maps
Date : 03/01/2010
Notes :
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Field number : FS 38
Collector : Francisco Stockinger
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Sao Gabriel) Google Maps * Geocode
Date :
Notes :
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Field number : FS 384
Collector : Francisco Stockinger
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Vila Nova to Sao Gabriel) Google Maps * Geocode
Date :
Notes :
= FS384, GF631, RWB27, WG308
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Field number : FS 515
Collector : Francisco Stockinger
Species : Frailea buenekeri ssp. densispina
Locality : Brazil : Rio Grande do Sul (South of Sao Gabriel) Google Maps * Geocode
Date :
Notes :
= AH54, FS515, GF335, HU1310, MGH58
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Field number : FS 578
Collector : Francisco Stockinger
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Sao Sepé) Google Maps * Geocode
Date :
Notes :
= FS578, GF234, GF360, GF587, GF588
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Field number : GC 772,01
Collector : Graham Charles
Species : Frailea buenekeri densispina
Locality : Brazil : (Ibaré) Google Maps
Date :
Notes :
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Field number : GC 775,02
Collector : Graham Charles
Species : Frailea buenekeri densispina
Locality : Brazil : (East of São Gabriel) Google Maps
Date :
Notes :
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Field number : KCS 319
Collector : Kádár I. Csaba
Species : Frailea buenekeri f. gemmrichii
Locality : 11km North-East of Vila Nova do Sul, Rio Grande do Sul, Brazil Google Maps
Date : October-November 2008
Notes :
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Field number : KCS 323
Collector : Kádár I. Csaba
Species : Frailea buenekeri
Locality : 10km North-East of Vila Nova do Sul, Rio Grande do Sul, Brazil Google Maps
Date : October-November 2008
Notes :
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Field number : HU 1310
Collector : Leopoldo Horst, later, Kurt-Ingo Horst
Species : Frailea buenekeri ssp. densispina
Locality : South of Sao Gabriel, Rio Grande do Sul, Brazil Google Maps
Date : 22/11/1986
Notes :
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Field number : HU 1314
Collector : Leopoldo Horst, later, Kurt-Ingo Horst
Species : Frailea buenekeri ssp. densispina
Locality : South-West of Sao Gabriel, Rio Grande do Sul, Brazil Google Maps
Date : 22/11/1986
Notes :
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Field number : MGH 58
Collector : Marino Gustavo Hamester
Species : Frailea buenekeri ssp. densispina
Locality : South of Sao Gabriel, Rio Grande do Sul, Brazil Google Maps
Date : 02/04/89
Notes :
AE; FP; GC; HR
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Field number : RWB 27
Collector : Rudi Werner Bueneker
Species : Frailea buenekeri
Locality : East of Sao Gabriel, near Vila Nova, Rio Grande do Sul, Brazil 200m Google Maps
Date :
Notes :
FP; GC; rvy27; WD
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Field number : WG 259
Collector : Wolfgang Gemmrich
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (East of Alegrete) Google Maps * Geocode
Date :
Notes :
with WG258
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Field number : WG 281
Collector : Wolfgang Gemmrich
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (North of Cavera) Google Maps * Geocode
Date :
Notes :
with WG276
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Field number : WG 307
Collector : Wolfgang Gemmrich
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Vila Nova do Sul) Google Maps * Geocode
Date :
Notes :
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Field number : WG 308
Collector : Wolfgang Gemmrich
Species : Frailea buenekeri
Locality : Brazil : Rio Grande do Sul (Vila Nova do Sul) Google Maps * Geocode
Date : 2000/11
Notes :
FS384, GF631, RWB27
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