The preliminary results of upper and transition mires flora study in Udmurtia have been summed up. In flora of the mire system there has been revealed 259 species that belong to 137 genera and 56 family. 36 species are "faithful" only to the upper mire systems. 47 species of plants belong to the species of rare and endangered species of Udmurt Republic (they are registered in the Red Data Book of Udmurt Republic).