Family Code: SAXIFR Genus Code: BOYKI Genus CN: brookfoam Genus Authority: Nutt. Genus Summary: A genus of 7 species, herbs, of e. Asia, e. North America, and w. North America, a classic relictual distribution. The other species are distributed primarily in the Pacific Northwest or Rocky Mountains, with several endemics in Japan and an endemic in the unglaciated portions of AK and e. Siberia. Genus Identification: Identification notes: Sometimes mistaken in vegetative condition for Trautvetteria, which is a coarser plant, often occupying similar habitats. Genus References: Gornall in FNA (2009); Soltis in Kubitzki, Bayer, & Stevens (2007) Last Updated: 2019-11-29 Publish: 1