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The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China
Yang Y,
Wang Q
(2013)
The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China.
PLOS ONE 8(1): e53652.
https://doi.org/10.1371/journal.pone.0053652