Family Code: ORCHID Genus Code: LISTE Genus CN: twayblade Genus Authority: R. Br. Genus Summary: A genus of about 25 species, boreal, north temperate, and south temperate (Magrath & Coleman in FNA 2002a). Recent studies suggest that Listera may be best included in Neottia Guettard (Chase et al. 2015). Genus References: Magrath & Coleman in FNA (2002a); Correll (1950)=X. Last Updated: 2019-11-29 Publish: 1