Field number : SH 639
Collector : Dennis Sargant (plants collected by Alfred Bernhard Lau)
Species : Mammillaria theresae 
Locality : Mexicó : Durango (Puerto Coneto 2200m) * Geocode
Date : 18/02/1974
Notes :
together with L637, Mammillaria longiflora
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Taxonomy of the Cactaceae - Joël Lodé = Mammillaria theresae
New Cactus Lexicon - David Hunt = Mammillaria theresae
The International Plant Names Index : https://www.ipni.org
Mammillaria (Haworth 1812)
Mammillaria theresae (Cutak 1967)
http://www.mammillarias.net
Semeurs de cactus
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