The article contains new data on localities of new and rare adventive plants in the Tomsk Region. Hy-pochaeris radicata L. is not only a new species but a representative of a new genus for the flora of Siberia; Geranium pusillum L. is reported here for the first time for the Tomsk Region and constitutes the first record within the forest zone of Siberia; for 4 rare adventive species (Bidens frondosa L., Impatiens parviflora DC., Cynoglossum officinale L., Hesperis pycnotricha Borbas et Degen), new localities were noted, indicating their further distribution in the southern regions of the Tomsk Region and extending the distribution range of the species.
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Tuvan State Univ, Lenina St 36, Kyzyl 667000, RussiaTuvan State Univ, Lenina St 36, Kyzyl 667000, Russia
Samdan, A. M.
Namzalov, B. B.
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D Banzarov Buryat State Univ, Smolina St 24a, Ulan Ude 670000, Russia
State Sci Inst Buryat Res Inst Agr, Tretiakova St 25z, Ulan Ude 670045, RussiaTuvan State Univ, Lenina St 36, Kyzyl 667000, Russia