Field number : RP 29
Collector : Ralph Peters
Species : Sclerocactus parviflorus v. contortus 
Locality : USA : Utah (San Juan County) * Geocode
Date : mars-86
Notes :
Long twisting spines, near the type locality for Sclerocactus contortus
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Taxonomy of the Cactaceae - Joël Lodé = Sclerocactus parviflorus
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 parviflorus (Clover & Jotter 1941)
http://sclerocactus-aventures.com
Semeurs de cactus
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