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Molecular and Morphological Evidence Challenges the Records of the Extant Liverwort Ptilidium pulcherrimum in Eocene Baltic Amber

Fig 1

The Eocene liverwort fossil Ptilidium sp. (A) and leaves of extant representatives of Ptilidium (B–F) (scale bars 200 μm).

(A) Baltic amber fossil. (B) Ptilidium pulcherrimum. (C) Ptilidium ciliare. (D–F) Ptilidium californicum.

Fig 1

doi: https://doi.org/10.1371/journal.pone.0140977.g001