Search for: [Subject = vascular flora] OR [Subject = gravel pits] OR [Subject = Wysoczyzna Siedlecka Plateau] OR [Title = Dry grassland and thermophilous forest margin species in the flora of gravel pits of the Wysoczyzna Siedlecka Plateau] OR [Creator = Krechowski, Janusz] OR [Creator = Bzdon, Grzegorz] OR [Creator = Sikorski, Roman]