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A lectotype for Macromitrium cirrosum Hedw.) Brid. (Orthotrichaceae)

Wilbraham, Joanna
Published in Journal of Bryology. 2013, vol. 35, no. 2, p. 119-122
Abstract A lectotype for Anictangium cirrosum Hedw. [; Macromitrium cirrosum (Hedw.) Brid.] is designated herein from among the material on the single herbarium sheet bearing this name in the Hedwig-Schwägrichen herbarium (G). Lectotypification is necessary as the 11 specimens present on the sheet have different geographic and temporal origins, and represent two different taxa (M. cirrosum and M. scoparium Mitt). Hedwig's A. cirrosum was based on the pre-1801 Hypnum cirrosum Sw., proposed by Swartz, and four specimens collected by Olof Swartz from Jamaica as well as material from Montserrat are included on Hedwig's original herbarium sheet in G. With reference to Hedwig's protologue and original illustrations, a lectotype was selected from among these specimens. Probable duplicates of the Swartz material were located in NY and S.
Keywords NomenclatureTaxonomyBryophytaTypification
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Research group Laboratory of Plant Systematics and Biodiversity
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WILBRAHAM, Joanna, PRICE, Michelle. A lectotype for Macromitrium cirrosum Hedw.) Brid. (Orthotrichaceae). In: Journal of Bryology, 2013, vol. 35, n° 2, p. 119-122. doi: 10.1179/1743282013Y.0000000052 https://archive-ouverte.unige.ch/unige:107842

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Deposited on : 2018-09-17

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