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. 2017 Dec 28;17(Suppl 2):253. doi: 10.1186/s12862-017-1105-x

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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. 2 — Karyotypes of blue-flowered flaxes with relatively small chromosomes. a, b – members of sect. Adenolinum: diploid L. perenne (a) and tetraploid L. perenne subsp. extraaxillare (b); c, d – members of sect. Linum with 2n = 16: L. grandiflorum (c) and L. decumbens (d); e, f – members of sect. Linum with 2n = 30: L. usitatissimum (e) and L. angustifolium (f). Chromosomes arranged according to their sizes. Inverted DAPI- staining of chromosomes are shown in shades of gray. The positions of rDNA loci revealed by FISH are shown in colored insertions below the karyotypes: 35S rDNA – green signals and 5S rDNA – red signals. Scale bar – 5 μM