Lectotypification of the name Mitt. (Plagiotheciaceae), a basionym of (Mitt.) A. Jaeger.

PhytoKeys

Department of Plant Biology, Institute of Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, ul. Kożuchowska 7a, 51-631 Wrocław, Poland Wrocław University of Environmental and Life Sciences Wrocław Poland.

Published: August 2020

AI Article Synopsis

  • In 1859, William Mitten described a species based on samples collected by Sir J.D. Hooker from India, but the original description did not specify a particular specimen.
  • For 50 years, a specimen at the NY Herbarium (NY 913349) was thought to be the holotype, but it has been proven incorrect as another original specimen from Hooker exists at The Natural History Museum (BM 1030713).
  • The NY specimen is in poor condition and lacks visible key features, while the BM specimen is well-preserved, leading to its designation as the lectotype in the context of changing botanical classification standards.

Article Abstract

In 1859, William Mitten described (≡ ) based on the gathering of Sir J.D. Hooker from India. However, the protologue did not indicate any specific specimen or illustration. For the past 50 years, the original material (NY 913349) deposited at the NY Herbarium has been considered as the holotype. However, this assumption has since been found to be incorrect, because in the Herbarium of The Natural History Museum exists other original material of this species (BM 1030713), collected by Hooker. In addition, the specimen from NY Herbarium is in poor condition and its most important diagnostic characters are not visible. In contrast, the material from BM Herbarium is in very good condition, and therefore it is herein designated as the lectotype. Also, the paper describes the resolution of this type, a process complicated by changes that had occurred in the provisions of subsequent botanical .

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7428462PMC
http://dx.doi.org/10.3897/phytokeys.155.51469DOI Listing

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