Family Code: ULMACE Genus Code: PLANE Genus CN: planertree Genus Authority: J.F. Gmel. Genus Summary: A monotypic genus, a tree, of temperate se. North America. Genus References: Barker in FNA (1997); Todzia in Kubitzki, Rohwer, & Bittrich (1993). Last Updated: 2019-11-29 Publish: 1