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A new variety of Draba pedicellata and a lectotype for D. cusickii (Brassicaceae)

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Abstract

A closely related group of Great Basin endemic dradas,Draba cusickii O. E. Schulz,D. sphaeroides Payson, andD. pedicellata (Rollins & R. A. Price) Windham, are described, keyed, and discussed in order to putD. pedicellata var.wheelerensis N. H. Holmgren, var. nov. in perspective.Draba cusickii is endemic to Steens Mountain of southeastern Oregon, andD. sphaeroides is known only from three mountain ranges in Elko County, Nevada, whereasD. pedicellata is more widespread in mountain ranges of eastern Nevada in Elko, Eureka, Nye, and White Pine counties.Draba pedicellata var.pedicellata occupies most of the range of the species, with var.wheelerensis being restricted to the Snake Range, just to the east of the range of the typical variety.

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Authors and Affiliations

  1. The New York Botanical Garden, 10458-5126, NY, Bronx, U.S.A.

    Noel H. Holmgren

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  1. Noel H. Holmgren
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Holmgren, N.H. A new variety of Draba pedicellata and a lectotype for D. cusickii (Brassicaceae). Brittonia 56, 107–114 (2004). https://doi.org/10.1663/0007-196X(2004)056[0107:ANVODP]2.0.CO;2

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  • DOI: https://doi.org/10.1663/0007-196X(2004)056[0107:ANVODP]2.0.CO;2

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