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. 2021 Aug 17;10(8):1691. doi: 10.3390/plants10081691

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Biplot of the principal component analysis based on ten fruit and seed morphometric characteristics in studied Sorbus domestica populations. Acronyms of populations: P01 (Psunj), P02 (Tounj), P03 (Istria), P04 (Novi Vinodolski), P05 (Split), P06 (Brač), and P07 (Konavle). Each point represents a single tree, with a color corresponding to cluster from K-means clustering method and origin of population: continental populations—cluster A (green); island population Brač—cluster B (yellow); and coastal Mediterranean populations—cluster C (blue).