Can Lysichiton and Lewisia both be found in America?
Lewisia Lewisia is a plant genus, named for Meriwether Lewis who encountered the species in 1806. The native habitat of "Lewisia" species is north facing cliffs in the western part of North America. Local Native Americans ate the roots, which have also been used to treat sore throats.
Utricularia olivacea Utricularia olivacea, the piedmont bladderwort, is a very small, annual suspended aquatic carnivorous plant that belongs to the genus "Utricularia". "Utricularia olivacea" is native to Central America, South America, the West Indies, and the eastern United States (coastal plain from Mississippi to New Jersey).