The taxonomy of Neolloydia gautii and Echinocactus beguinii has been controversial for a long time. A closer examination of the holotype of Neolloydia gautii has shown that this taxon is not related to Echinocactus beguinii, while a careful reading of the first description of Echinocactus smithii has confirmed Zimmermann's hypothesis that it should be considered as conspecific with Thelocactus conothelos. In the light of these facts, two new combinations are made: Echinomastus gautii and Turbinicarpus beguinii.
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1 September 1997
Neolloydia gautii Benson: a tangled taxonomic history and two new combinations
Alessandro Mosco,
Carlo Zanovell
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Bradleya
Vol. 1997 • No. 15
September 1997
Vol. 1997 • No. 15
September 1997