Abstract: The present paper increases the flora of Guizhou Province.fourteen species,one variety and six genera are new records to Guizhou Province.These species are:Tanakaea omeiensis Nakai,Chloranthus sessilifolius K.F.Wu,Spergula arvensis L.,Aruncus sylvester Kostel.,Cassia nomame (Sieb.) Kitagawa,Boenninghausenia albiflora Reichb.var.pilosa Z.M.Tan,Viola magnifica C.J.Wang et X.D.Wang,Thyrocarpus glochidiatus Maxim.,Gleadovia mupinense Hu,Plantago lanceolata L.,Triplostegia glandulifera Wall.ex DC.,Gynostemma laxum (Wall.) Cogn.,Gynostemma pentagynum Z.P.Wang,Ophiopogon bockianus Diels,Caulokaempferia yunnanensis (Gagnep.) R.M.Smith.The six new recorded genera are Spergula L.,Tanakaea Franch.et Savat.,Aruncus Adans.,Gleadovia Gamble et Prain,Triplostegia Wall.ex DC.,Caulokaempferia K.Larsen.All the voucher specimens of the present study are preserved in the Herbarium of Guizhou Institute of Chinese Materia Medica (HGCM).

Key words: Guizhou, Flora, New distribution