Family Code: GENTIA Genus Code: BARTO Genus CN: screwstem Genus Authority: Muhl. ex Willd. Genus Summary: A genus of 3 species, herbs, of e. North America. The genus has coralloid mycorrhizae and lacks root hairs and has been shown to be partially mycoheterotrophic (Cameron & Bolin 2010). Genus References: Mathews et al. (2009)=Y; Gillett (1959)=Z. Last Updated: 2019-11-29 Publish: 1