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Great Basin Naturalist

Abstract

Wood, leaf, and floral anatomy of Vanclevea stylosa is compared with that of several possibly related species in the genera Acamptopappus, Eastwoodia, Grindelia, Haplopappus, and Petradoria. Although V. stylosa was originally described as a Grindelia, it is clearly distinct from that genus. Of the taxa studied, it is most closely allied to Haplopappus salincinus and H. scopulorum. The taxonomy, morphology, and distribution of the monotypic Vanclevea are detailed, and known exsiccatae are listed.

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