Field number : L 48
Collector : Alfred Bernhard Lau
Species : Mammillaria schumannii 
Locality : Mexicó : Baja California (San Jose del Cabo 10-200m) * Geocode
Date : 11/11/1972
Notes :
together with L47 and Mammillaria peninsularis Bartschella
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Taxonomy of the Cactaceae - Joël Lodé = Mammillaria schumannii
New Cactus Lexicon - David Hunt = Mammillaria schumannii
The International Plant Names Index : https://www.ipni.org
Mammillaria (Haworth 1812)
Mammillaria schumannii (Hildm. 1891)
http://www.mammillarias.net
Semeurs de cactus
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