Field number : ISI 74
Collector : International Succulent Introductions (previously International Succulent Institute)
Species : Pediocactus sileri 
Locality : Hilly desert, Near Arizona / Utah border, USA 5000ft
Date : 01/09/61
Notes :
Collected by N. A. Paradine. Only one or two rains per year
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Taxonomy of the Cactaceae - Joël Lodé = Pediocactus sileri
New Cactus Lexicon - David Hunt = Pediocactus sileri
The International Plant Names Index : https://www.ipni.org
Pediocactus (Britton & Rose 1913)
Pediocactus sileri ((Coulter) Benson 1961)
Semeurs de cactus
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