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. 2020 Jul 1;8(6):e11352. doi: 10.1002/aps3.11352

FIGURE 1.

FIGURE 1

Herbarium sheets and associated masks made available in this study. (A) Four example digitized herbarium sheets from the U.S. National Herbarium at the National Museum of Natural History (Washington, D.C., USA). (B) The same four sheets shown as high‐resolution masks. A total of 400 masks were generated using the methods described in the text and were used to train a deep neural net to automatically segment plant tissues from herbarium specimens. Species names for each image clockwise from top left: Rumohra adiantiformis (G. Forst.) Ching, Thelypteris kunthii (Desv.) C. V. Morton (synonym Christella kunthii), Asplenium peruvianum var. insulare (C. V. Morton) D. D. Palmer, Thelypteris palustris Schott.