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. 2018 Oct 8;53(4):492–508. doi: 10.1080/09670262.2018.1476920

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© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Phylogenetic tree of genera Zygnema, Zygnemopsis and other closely related Zygnematophyceae. A midpoint-rooted Bayesian tree of rbcL sequences is shown. Genotypes from Svalbard are in bold. Values at branches indicate Bayesian posterior probabilities (BI PP), maximum likelihood (ML) and maximum parsimony (MP) bootstrap values (BS). Asterisks indicate BI PP = 1.00, and ML and MP BS = 100; dashes indicate BI PP <0.8 and ML and MP BS <50. The number of strains isolated for each Zygnema/Zygnemopsis genotype and their geographic origin are given in parentheses.