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. 2015 Aug 14;3(8):apps.1500039. doi: 10.3732/apps.1500039

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© 2015 Folk et al. Published by the Botanical Society of America

This work is licensed under a Creative Commons Attribution License (CC-BY-NC-SA).

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Fig. 1. — Concatenated maximum likelihood (ML) tree based on 277 low-copy nuclear loci; branch lengths in the figure represent ML branch length estimates. Coloring of branches represents the taxonomic sections recognized in Folk and Freudenstein (2014): orange = sect. Holochloa; blue = sect. Heuchera; green = sect. Bracteatae; magenta = sect. Rhodoheuchera. Values plotted on branches are support values based on 5000 bootstrap replicates. Varietal assignments in sections Heuchera and Rhodoheuchera reflect the taxonomy of the treatments by Rosendahl et al. (1936) and Wells (1984); taxon labels in sect. Holochloa reflect Folk and Freudenstein (in press).