Order;Family;Genus;Species;"Common name";"Number of occurrences (%)" Asterales;Asteraceae;Helianthus ;"Helianthus tuberosus ";"Jerusalem artichoke";"17 (8.5)" Caryophyllales;Polygonaceae;Reynoutria ;"Reynoutria japonica ";"Japanese knotweed";"21 (10.6)" Ericales;Balsaminaceae;Impatiens ;"Impatiens glandulifera ";"Indian balsam";"53 (26.6)" Fabales;Fabaceae;Robinia ;"Robinia pseudoacacia ";False-acacia;"26 (13.1)" Fagales;Betulaceae;Alnus ;"Alnus incana ";"Grey alder";"7 (3.5)" Fagaceae;Castanea ;"Castanea sativa ";"Sweet chestnut";"7 (3.5)" Lamiales;Scrophulariaceae;Buddleja ;"Buddleja davidii ";Butterfly-bush;"17 (8.5)" Rosales;Rosaceae;Prunus ;"Prunus cerasifera ";"Cherry plum";"20 (10.1)" "Prunus laurocerasus ";"Cherry laurel";"20 (10.1)" Spiraea ;"Spiraea japonica ";"Japanese spiraea";"11 (5.5)"