*Arachniodes simplicior (Makino) Ohwi. Hab: Moist banks in forested creek ravines. Dist: Native of Japan and China. Gordon (1981) discussed the SC population, apparently established for several decades at the time of its discovery, and likely originating from spores.
Origin/Endemic status: E. and se. Asia
Synonymy: = Ar, FNA2, FoC, K1, K3, K4; = n/a – RAB