New findings of seven aboriginal (Cardamine parviflora, Elymus pendulinus, Salix ustnerensis, Sanguisorba alpina, Tulotis fuscescens, Urtica galeopsifolia, Vicia sylvatica) and ten adventive (Acer negundo, Campanula rapunculoides, Centaurea phrygia, Impatiens glandulifera, Lychnis chalcedonica, Melampyrum nemorosum, Senecio dubitabilis, S. viscosus, Symphytum caucasicum, Veronica officinalis) plant species from northern slope and foothills of Khamar-Daban Range are presented.

Chepinoga Victor Vladimirovich, Doctor of Sciences (Biology), Leading Research Scientist, V. B. Sochava Institute of Geography SB RAS, 1, Ulan-Batorskaya St., Irkutsk, 664033, Russian Federation, tel.: (3952) 42–70–95, Professor, Irkutsk State University, Karl Marx St., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–55, e-mail: victor.chepinoga@gmail.com 

Stepantsova Nadezhda Vasilyevna, Candidate of Sciences (Biology), Leading Engineer, Irkutsk State University 1, Karl Marx St., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–70, e-mail: nadia@irk.ru 

Protopopova Marina Vladimirovna, Candidate of Sciences (Biology), Senior Research Scientist, Siberian Institute of Plant Physiology and Biochemistry SB RAS, 132, Lermontov St., Irkutsk, 664033, Russian Federation, tel.: (3952) 42–67–21, e-mail: marina.v.protopopova@gmail.com 

Pavlichenko Vasiliy Valerievich, Candidate of Sciences (Biology), Senior Research Scientist, Siberian Institute of Plant Physiology and Biochemistry SB RAS, 132, Lermontov St., Irkutsk, 664033, Russian Federation, tel.: (3952) 42–67–21,  e-mail: vpavlichenko@gmail.com 

Gladkikh Elena Maksimovna, Student, Irkutsk State University, 1, Karl Marx St., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–70, e-mail: gelenmak@gmail.com 

Arbusova Galina Andreevna, Student, Irkutsk State University, 1, Karl Marx St., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–70, e-mail: mingronland@mail.ru 

Skornyakova Aleksandra Mikhajlovna, Student, Irkutsk State University, 1, Karl Marx St., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–70, e-mail: al.sk.9847@gmail.com

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