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Squamarina subcetrarioides comb. & stat. nov. (Stereocaulaceae), a separate species from the type species of Squamarina

Published online by Cambridge University Press:  15 June 2023

Yanyun Zhang*
Affiliation:
College of Life Sciences, Anhui Normal University, 241000, Wuhu, China Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, CAS, 65000, Kunming, China
Lun Wang
Affiliation:
College of Life Sciences, Anhui Normal University, 241000, Wuhu, China
Xinyu Wang
Affiliation:
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, CAS, 65000, Kunming, China
Christian Printzen
Affiliation:
Department of Botany and Molecular Evolution, Senckenberg Research Institute, 60325 Frankfurt am Main, Germany
Einar Timdal
Affiliation:
Natural History Museum, University of Oslo, Blindern, N-0318 Oslo, Norway
Lisong Wang
Affiliation:
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, CAS, 65000, Kunming, China
*
Corresponding author: Yanyun Zhang; Email: 2021209@ahnu.edu.cn

Abstract

The type species of Squamarina has two varieties, S. gypsacea var. gypsacea and S. gypsacea var. subcetrarioides. In this study, a phylogenetic and taxonomic analysis of these two varieties shows that S. var. subcetrarioides merits treatment as a species separate from S. gypsacea. Therefore, we raise this variety to species level as S. subcetrarioides (Zahlbr.) Y. Y. Zhang. Squamarina subcetrarioides is phylogenetically not closely related to S. gypsacea and differs from that species in the thallus forming rosettes when young, later becoming cracked and irregular in outline, and consisting of numerous small squamules.

Type
Standard Paper
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of the British Lichen Society

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