Sclerocactus dawsoniae (Cactaceae), a New Species from Western Colorado, U.S.A.

Mitchell E. McGlaughlin; Samantha K. Naibauer

doi:10.3417/2024771

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Mitchell E. McGlaughlinhttps://orcid.org/0000-0001-6189-2450,¹ Samantha K. Naibauer^*

¹Department of Biology, University of Northern Colorado, Greeley, Colorado 80639, U.S.A.

^*Current address: Botanist/Ecologist, Bureau of Land Management, Taos Field Office, Taos, New Mexico 87571, U.S.A. samantha.naibauer@unco.edu

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.

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Mitchell E. McGlaughlin and Samantha K. Naibauer "Sclerocactus dawsoniae (Cactaceae), a New Species from Western Colorado, U.S.A.," Novon: A Journal for Botanical Nomenclature 32(1), 79-83, (23 April 2024). https://doi.org/10.3417/2024771

Published: 23 April 2024

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