A new species of Woodsiaceae,Woodsia nikkoensis is described based on a specimen collected in Nikko,Tochigi Pref., central Japan. This new species belongs to Woodsia Sect. Eriosorus Ching,which is characterized by a continuous stipe. This section is also a new record for Japan.
The Tofieldia nuda and T. coccinea groups are revised here. In the T. nuda group four varieties are recognized; var nuda,var. furusei Hiyama,var. hizenensis Yamazaki, var. nov. and var. yoshiiana (Makino) Yamazaki. While in T. coccinea group five varieties are recognized; var. coccinea,var. fauriei (H.Lév. & Vaniot) Yamazaki,comb. et stat nov.,var. gracilis (Franch. & Sav.) T.Shimizu,var. kanwonensis Yamazaki,var. nov. and var. kondoi (Miyabe & Kudo) H.Hara.