[Botany • 2024] Sclerocactus dawsoniae (Cactaceae) • A New Species from Western Colorado, U.S.A.

Sclerocactus dawsoniae McGlaughlin & Naibauer, 

in McGlaughlin et Naibauer. 2024. 

DOI: 10.3417/2024771

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Abstract

Sclerocactus dawsoniae McGlaughlin & Naibauer (Cactaceae), a new species from western Colorado, is described. Sclerocactus dawsoniae is segregated from S. glaucus (K. Schum.) L. D. Benson, differing by having a smaller overall size, fewer spines per areole, an allopatric distribution, and substantial genetic differentiation.

KEYWORDS: Cactaceae, cactus, Colorado, new species, Sclerocactus dawsoniae

Sclerocactus dawsoniae McGlaughlin & Naibauer, sp. nov.

Mitchell E. McGlaughlin and Samantha K. Naibauer. 2024. Sclerocactus dawsoniae (Cactaceae), A New Species from Western Colorado, U.S.A. Novon: A Journal for Botanical Nomenclature. 32(1); 79 - 83. DOI: doi.org/10.3417/2024771

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Researchgate.net/publication/380064530_Sclerocactus_dawsoniae_a_New_Species_from_Western_Colorado_USA