Synonyms: Botrychium arisanense; Botrychium decurrens; Botrychium lanuginosum; Botrychium lanuginosum leptostachyum; Botrychium lanuginosum var. lanuginosum; Botrychium lanuginosum var. leptostachyum; Botrychium lanuginosum var. nanum; Botrychium lanuginosum var. nepalense; Botrychium leptostachyum; Botrychium modestum; Botrychium parvum; Botrychium virginianum lanuginosum; Botrychium virginianum var. lanuginosum (homotypic); Botrychium yunnanense; Botrypus decurrens; Botrypus lanuginosus (homotypic); Botrypus lanuginosus leptostachys; Botrypus lanuginosus var. nepalensis; Botrypus parvus; Botrypus tibeticus; Botrypus yunnanensis; Japanobotrychium arisanense; Japanobotrychium lanuginosum (homotypic); Japanobotrychum arisanense; Japanobotrychum lanuginosum var. nepalense; Osmundopteris lanuginosa (homotypic)