Newly Recorded Species of Nitzschiaceae (Bacillariophyta) from Da’erbin Lake in Great Xing’an Mountains,China

Three species and one variety of Nitzschiaceae(Bacillariophyta) newly recorded in China were reported in this paper.They are Hantzschia rhaetica Meister,Hantzschia robusta ðstrup,Nitzschia dissipata var.media(Hantzsch) Grun.,Nitzschia perminuta(Grun.) M.Peragallo.All of the samples were collected from Da’erbin Lake and swamps around it in Great Xing’an Mountains.Samples were observed with LM,their taxonomic characters and habitat features were described.