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14 June 2023 A New Varietal Combination for a Narrowly Endemic Rock Daisy (Laphamia: Asteraceae) in Southern New Mexico
Zachary S. Rogers, Richard W. Spellenberg
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Abstract

The recent restructuring of Perityle Benth. (Asteraceae), s.l., warrants a new varietal combination of a narrowly endemic taxon in south-central New Mexico. The previously recognized P. staurophylla (Barneby) Shinners var. homoflora Todsen becomes Laphamia staurophylla Barneby var. homoflora (Todsen) Z. S. Rogers & Spellenb. A brief history of this taxon, a rationale for its recognition, and its status as a rare plant for the state are discussed.

Zachary S. Rogers and Richard W. Spellenberg "A New Varietal Combination for a Narrowly Endemic Rock Daisy (Laphamia: Asteraceae) in Southern New Mexico," Novon: A Journal for Botanical Nomenclature 31(1), 154-155, (14 June 2023). https://doi.org/10.3417/2023849
Published: 14 June 2023
KEYWORDS
Chasmophile
Compositae
endemic
Laphamia
limestone
Perityle
rare plant
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