Field number : LAU 1492
Collector : Alfred Bernhard Lau
Species : Isolatocereus dumortieri   
Locality : Mexicó : Oaxaca (Tamazulapan 2000m)     Google Maps  * Geocode
Date : 07/03/1981
Notes :
together with Peireskiopsis sp.

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Field number : L 1492
Collector : Alfred Bernhard Lau
Species : Isolatocereus dumortieri   
Locality : Mexicó : Oaxaca (Tamazulapan 2000m)     Google Maps  * Geocode
Date : 07/03/1981
Notes :
together with Peireskiopsis sp.

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Field number : CS 66.13
Collector : Chris Sherrah
Species : Isolatocereus dumortieri   
Locality : Mexicó : Hidalgo (Zimapan dam, 1733 m)     Google Maps
Date : 18/05/2007
Notes :

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Field number : CS 115.1
Collector : Chris Sherrah
Species : Isolatocereus dumortieri   
Locality : Mexicó : Zacatecas (West of Zacatecas, 2081 m)     Google Maps
Date : 18/06/2007
Notes :

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Field number : SH 1492
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Isolatocereus dumortieri   
Locality : Mexicó : Oaxaca (Tamazulapan 2000m)     Google Maps  * Geocode
Date : 07/03/1981
Notes :
together with Peireskiopsis sp.

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Field number : GC 816,02
Collector : Graham Charles
Species : Isolatocereus dumortieri   
Locality : Mexicó : (South east of Huahuapan de Leon)     Google Maps
Date :
Notes :

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Field number : PH 489.01
Collector : Paul Hoxey
Species : Isolatocereus dumortieri   
Locality : Mexicó : (West of Tlaltizapán, Morelos, 950m)     Google Maps
Date : 24/04/03
Notes :

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Field number : PHA 6
Collector : Pavel Heřtus
Species : Isolatocereus dumortieri   
Locality : Mexicó : (Ixmiquilpán)     Google Maps
Date :
Notes :

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