Darmera peltata (Torr. ex Benth.) Voss (western U.S.A.) – A very rare escape from or relic of cultivation. A small colony was discovered in a ditch in Balen in 2011, probably persisting from discarded garden waste. Also known from Rivierenhof in Deurne (2013), where it may be a mere relic.
Taxonomic name: