Can Lysichiton and Lewisia both be found in America?
Lysichiton Lysichiton is a genus in the family Araceae. These plants are known commonly as skunk cabbage or less often as swamp lantern. The spelling Lysichitum is also found. The genus has two species, one found in north-east Asia (Japan and Russian Far East), the other in north-west America (Aleutians to Santa Cruz County in California).
Tilia johnsoni Tilia johnsoni is an extinct species of flowering plant in the family Malvaceae that, as a member of the genus "Tilia", is related to modern lindens (called "limes" in Britain and "basswoods" in the US). The species is known from fossil leaves found in the early Eocene deposits of northern Washington State, United States and a similar aged formation in British Columbia, Canada.