AGASTACHE RUGOSA (LAMIACEAE), A NEW CASUAL ALIEN IN THE FLORA OF POLAND

In September 2014, the casual occurrence of Agastache rugosa in Poland was confirmed. It was found on a ground heap between fallow and arable fields in Łbiska near Zalesie Górne in the community of Piaseczno, the Masovian Voivodeship (coordinates: 52º1′33.06″ N, 21º0′27.72″ E; the ATPOL cartogram unit: ED46). This rare species of Asian origin is cultivated in bee-plant gardens of some beekeepers in Poland. The map of distribution and mode of introduction with garden waste from horticultural farms were presented.