Greenhouse weeds in the botanical garden of pas in warsaw-powsin

摘要

Systematic studies carried out in the greenhouses of the Botanical Garden-Center for Biological Diversity Conservation of the Polish Academy of Sciences in Warsaw-Powsin revealed that the flora of weeds ras very rich there. A total of 243 taxa of vascular plants and 17 species of bryophytes were recorded. With regard to the division of the flora of vascular plants according to species origin and degree of naturalization, it was found that native plants 989 species), greenhouse-escapes (87 species) and permanently established aliens (48 species) co-dominated there.