Field number : RP 34
Collector : Ralph Peters
Species : Echinomastus johnsonii 
Locality : USA : Nevada (Clark County) * Geocode
Date : avr-82
Notes :
Grows on steep limesone slopes
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Taxonomy of the Cactaceae - Joël Lodé = Echinomastus johnsonii
New Cactus Lexicon - David Hunt = Sclerocactus johnsonii
The International Plant Names Index : https://www.ipni.org
Echinomastus (Britton & Rose 1922)
Echinomastus johnsonii ((Engelm.) E.M.Baxter 1935)
http://echinomastus.succulentstreasures.com
Semeurs de cactus
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