Notes on the genus Usnea (lichenized Ascomycota, Parmeliaceae) IV

Philippe Clerc

doi:10.13158/heia.29.2.2016.403

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Philippe Clerc^*

^*Philippe Clerc, Conservatoire et Jardin botaniques de la Ville de Genève, 1, ch. de l'Impératrice, Case postale 60, 1292 Chambésy, Switzerland. E-mail: philippe.clerc@ville-ge.ch

Abstract

Clerc, P. 2016. Notes on the genus Usnea (lichenized Ascomycota, Parmeliaceae) IV. — Herzogia 29: 403–411.

Several species of the genus Usnea occurring supra-continentally are treated. Usnea barbata is new to the United Kingdom. Usnea entoviolata is new to Europe and a map of its known worldwide occurrence is given. Usnea perhispidella (syn. nov: U. eumitrioides), U. poliotrix, and U. subdasaea are new to North America. Usnea perplexans, a Himalayan taxon, is the correct name for U. lapponica, a widely occurring species in Europe and North America. Usnea aciculifera, U. hondoensis and U. pangiana are also discussed.

Citation Download Citation

Philippe Clerc "Notes on the genus Usnea (lichenized Ascomycota, Parmeliaceae) IV," Herzogia 29(2), 403-411, (1 December 2016). https://doi.org/10.13158/heia.29.2.2016.403

Accepted: 1 July 2016; Published: 1 December 2016

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