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New or rare synanthropic plants in Poland. 2. Agastache urticifolia (Lamiaceae). Fragmenta Floristica et Geobotanica Polonica 10: 57–65. Kraków. PL ISSN 1640 629X. ABSTRACT: The authors report a spontaneous occurrence of Agastache urticifolia (Benth.) Kuntze, which is a new genus and species of Polish flora. Several dozen of its specimens were discovered on an inactive sediment tank at the Cracow Soda Factory in Kraków Jugowice in July of 2002. Most likely, the plant was brought here with the soil used for recultivation of the sediment tanks. The paper contains a detailed description of the species, its general distribution, and the characteristic properties of the A. urticifolia habitat in Kraków. The authors could not establish the exact way in which this plant has come to Poland.