New findings of adventive plants in the Tomsk Region

Abstract

The article contains new data on localities of new and rare adventive plants in the Tomsk Region. Hypochaeris 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 Borbás 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.

Keywords

• adventive plants
• biodiversity
• floristic findings
• siberia
• tomsk region