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. 2015 Jul 8;10(7):e0130941. doi: 10.1371/journal.pone.0130941

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© 2015 Wang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — Fossilized Metasequoia branchlet and needles from Tokamachi (a) and Kumagaya (b) as examples to show the megafossils of Metasequoia used in this research, compare with a modern Metasequoia branchlet (c). White arrows in (a) indicate the branchlet.