Dryopteris erythrosora (D.C. Eaton) Kuntze. Autumn Fern, Japanese Red Shieldfern. Hab: Suburban woodlands, especially in ravines and along creeks. Dist: Native of Japan, Korea, and China. Also recently reported as naturalizing in AR (Simpson, Crank, Witsell, & Peck 2008; Peck 2011), nc. NC (Rothfels, Sigel, & Windham 2012), and c. GA (Zomlefer et al. 2018; Umstead & Diggs 2018). This species seems to be well on its way to being an aggressive invasive, likely to be widespread in our area; see discussion in Wyatt (2020).
Origin/Endemic status: E. and se. Asia
Syn: = Ar, K3, K4, Umstead & Diggs (2018)