Field number : RP 5
Collector : Ralph Peters
Species : Pediocactus simpsonii v. nigrispinus 
Locality : USA : Washington (Yakima County) * Geocode
Date : mai-83
Notes :
Heavy black spines, ribs!
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Taxonomy of the Cactaceae - Joël Lodé = Pediocactus nigrispinus
New Cactus Lexicon - David Hunt = Error : not found in the Database
The International Plant Names Index : https://www.ipni.org
Pediocactus (Britton & Rose 1913)
Pediocactus simpsonii ((Engelm.) Britton & Rose 1913)
Semeurs de cactus
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