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1980•American Fern JournalOpen access

Notes on Some Pleopeltis and Polypodium Species of the Chihuahuan Desert Region

Tom Wendt

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Abstract

In preparing a treatment of the Polypodiaceae s. str.for the forthcoming Chihuahuan Desert Flora (M. C. Johnston, et al.),I found several taxonomic changes to be necessary.A new variety of Polypodium thyssanolepis A. Br.ex Kl. is described, and Pleopeltis erythrolepis (Weath.)Pic.Ser. is lowered to varietal rank within Pleopeltis polylepis (Roem.ex Kunze) Moore.Material from GH, LL, NY, TEX, and US was consulted in preparation of the treatment.POLYPODIUM Polypodium thyssanolepis A. Br.ex Kl. is a species of lipophilic fern which ranges from the southwestern United States to South America and the West Indies.Originally described from Colombian material (Klotzsch, 1847), it was not reported from the United States untii 1913, when Maxon noted it among the collections of L. N. Goodding from the Huachuca Mountains of southeastern Arizona.Maxon

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In preparing a treatment of the Polypodiaceae s. str.for the forthcoming Chihuahuan Desert Flora (M. C. Johnston, et al.),I found several taxonomic changes to be necessary.A new variety of Polypodium thyssanolepis A. Br.ex Kl. is described, and Pleopeltis erythrolepis (Weath.)Pic.Ser. is lowered to varietal rank within Pleopeltis polylepis (Roem.ex Kunze) Moore.Material from GH, LL, NY, TEX, and US was consulted in preparation of the treatment.POLYPODIUM Polypodium thyssanolepis A. Br.ex Kl. is a species of lipophilic fern which ranges from the southwestern United States to South America and the West Indies.Originally described from Colombian material (Klotzsch, 1847), it was not reported from the United States untii 1913, when Maxon noted it among the collections of L. N. Goodding from the Huachuca Mountains of southeastern Arizona.Maxon

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Available abstract

In preparing a treatment of the Polypodiaceae s. str.for the forthcoming Chihuahuan Desert Flora (M. C. Johnston, et al.),I found several taxonomic changes to be necessary.A new variety of Polypodium thyssanolepis A. Br.ex Kl. is described, and Pleopeltis erythrolepis (Weath.)Pic.Ser. is lowered to varietal rank within Pleopeltis polylepis (Roem.ex Kunze) Moore.Material from GH, LL, NY, TEX, and US was consulted in preparation of the treatment.POLYPODIUM Polypodium thyssanolepis A. Br.ex Kl. is a species of lipophilic fern which ranges from the southwestern United States to South America and the West Indies.Originally described from Colombian material (Klotzsch, 1847), it was not reported from the United States untii 1913, when Maxon noted it among the collections of L. N. Goodding from the Huachuca Mountains of southeastern Arizona.Maxon

Key concepts: Desert (philosophy), Biology, Geography, Botany, Ecology, Political science, Law

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