Euphrasia hirtella Jord. ex Reut. (Orobanchaceae) in Ukraine von O. M. Perehrym

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In Ukrainian Botanical Society von O. M. Perehrym

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A taxonomic overview of the genus Euphrasia L. (Orobanchaceae) in Ukraine von O. M. Perehrym

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In the Ukrainian Botanical Societes von O. M. Perehrym

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Anatomy and ultrastructure of seeds in species of the genus Euphrasia L. (Orobanchaceae) in the flora of Ukraine von O. M. Perehrym, T. B. Vakulenko

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Structure of the bract surface in species of the Euphrasia L. in the flora of Ukraine von O. M. Perehrym, O. A. Futorna

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Geographical distribution species of Euphrasia L. (Orobanchaceae Vent.) in Ukraine von O. M. Perehrym, M. M. Perehrym

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International scientific conference "Contribution of Amateur Naturalists into Biological Diversity Studies" von O. M. Korniienko, O. M. Perehrym

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Distribution of species of the genus Pedicularis (Orobanchaceae) in ukraine von O. M. Perehrym, M. M. Perehrym

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Typification of species of the genus Viola L. described from Ukraine von O. M. Perehrym, M. V. Shevera

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New floristic finds in the Donets'k Upland von M. M. Perehrym, L. I. Lesnyk, O. M. Perehrym

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Age structure and state of populations of Scutellaria creticola Juz. in Slavyansko-Artemovsky geobotanical region von M. M. Perehrym, L. I. Lesniak, O. M. Perehrym

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