Field number : RP 123
Collector : Ralph Peters
Species : Sclerocactus havasupaiensis 
Locality : USA : Arizona (Coconino County) * Geocode
Date : mars-97
Notes :
Looks like Sclerocactus parviflorus, but 4 hooked spines per areole, fruit and seed more like Sclerocactus spinosior
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Taxonomy of the Cactaceae - Joël Lodé = Sclerocactus parviflorus subsp. havasupaiensis
New Cactus Lexicon - David Hunt = Error : not found in the Database
The International Plant Names Index : https://www.ipni.org
Sclerocactus (Britton & Rose 1922)
Sclerocactus havasupaiensis
http://sclerocactus-aventures.com
Semeurs de cactus
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