Noun
vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock
Source: WordNetThere are also invasive species to contend with: buckthorn, honeysuckle and multiflora rose, all of which can crowd out other native species. Source: Internet
“Invasive plant species, like the multiflora rose, were beginning to take over and threatened the bog,” Gischlar explains. Source: Internet