Field number : JO 521
Collector : Josef Odehnal
Species : Echinocactus polycephalus 
Locality : Helendale, California, USA
Date : 21/06/09
Notes :
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Taxonomy of the Cactaceae - Joël Lodé = Echinocactus polycephalus
New Cactus Lexicon - David Hunt = Echinocactus polycephalus
The International Plant Names Index : https://www.ipni.org
Echinocactus (Link & Otto 1827)
Echinocactus polycephalus (Engelm. & Bigelow 1856)
Semeurs de cactus
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