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. 2016 Jun 21;6:28136. doi: 10.1038/srep28136

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(a) Phytoliths from Poaceae bulliform cells (from leaf epidermis) and bi-peaked tubercles from rice husks recovered from Huxi. 1, 2, 3: rice (Oryza sp.); 4: reed (Phragmites sp.); 5: bamboo (Bambusoideae); 6, 7, 8: silvergrass (Miscanthus sp.); 9, 10: bi-peaked tubercles of rice. (b) Charred plant remains from Huxi. 1: self-heal (Prunella sp.); 2: cupgrass (Eriochloa sp.); 3, 17: sedge family (Cyperaceae); 4–6: carbonized rice; 7–13: rice rachillae; 14–15: rice husks fragments; 16: knotweed/smartweed (Polygonaceae); 18: bristlegrass (Setaria sp.); 19: crabgrass (Digitaria sp.), 20: tall fringe-rush (Fimbristylis dichotoma); 21, 22: foxnut (Euryale ferox).