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. 2017 Oct 30;13:92. doi: 10.1186/s13007-017-0242-y

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — Part of SERS spectra and images from the spectral library of Chinese ornamental Flos Chrysanthemum. a Madame Guo. b Flying Ziyan. c Fenghuang. d Red Frost. e Red Jinbei. f Marshal Flag. g Jade Feng. h White Jade. i White Lion. j Golden Lotus. k Green Zhaoyun. l Gushui Liuxia. m Green Window. n Fireworks. o Golden Needle. p Blue Eye. q Clean Water Huhua. r Mini Ju. s Gold Ball. t Beautiful Purple. u Beijing Red. v Afric Ju. w White Powder. x Golden Mudan