Pampas grass can be controlled through pesticide treatment. These non-native species include wild mustards and pampas grass. In laboratory experiments, these aphids have been found feeding on Japanese pampas grass, "Miscanthus sinensis". Along the Subong-ro, hikers can enjoy in the midst of pampas grass and wild flowers. A Unicode emoji exists for Tsukimi, featuring pampas grass, dango and the moon. Some of the more impactful exotics include the European gorse and pampas grass. In addition to walnuts and citrus, Whittier was also a major producer of pampas grass. Pampas grass can displace native plants and create their habitats, which deplete biodiversity . One plant that has been used in laboratory experiments is Japanese pampas grass.