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. 2018 Sep 26;4(9):eaar8568. doi: 10.1126/sciadv.aar8568

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Leafy shoot of E. curvifolia (Dunker) Nathorst; UF 19523-70170. (B) Close-up of (A). (C) Indeterminate angiosperm leaf; UF 19523-70171. (D) Isolated fern pinnule; UF 19523-70170. Scale bars, 5 mm (A to C) and 3 mm (D). (Photo Credits: N.A. Jud, University of Florida)