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Articles
Published: 2018-12-27

Unveiling the enigmatic and ambiguous: A new Frullania species from New Caledonia

Instituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Campus Curauma, Valparaíso, Chile
Gantz Family Collections Center, Science & Education, Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605-2496, U.S.A.
Gantz Family Collections Center, Science & Education, Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605-2496, U.S.A.
Department of Biological Sciences, San Jose State University, One Washington Square, San Jose, CA 95192, U.S.A.
Department of Biological Sciences, San Jose State University, One Washington Square, San Jose, CA 95192, U.S.A.
The Institute of Applied Sciences, University of the South Pacific, Suva, Fiji
11 rue Saint Léon, 66000 Perpignan, France
Cryptic speciation liverworts Microfrullania New Caledonia plant diversity plant taxonomy

Abstract

Frullania is a large and taxonomically complex genus with over 300 accepted species. A new liverwort species, Frullania thouvenotiana sp. nov. from New Caledonia, is described and illustrated. The new species, and its placement in Frullania subg. Microfrullania, is based on morphology with support from previously published sequence data. Diagnostic characters associated with the leaf, especially the leaf margin, distinguishes it from all other species of Frullania, including similar species with a distribution comprising Fiji and New Zealand. A brief comparison is made with morphologically allied species, and an artificial key is provided. Frullania neocaledonica is also proposed to be a synonym of F. chevalieri.