GRAEFF, C.L., J.P. KOCIOLEK & S.R. RUSHFORTH 2013 (Dec. 13) New and interesting diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah Phytotaxa 153(1): 1-38, 154 figs., 1 table Naviculonema stagnorum gen. nov., sp. nov. and Williamsella angusta gen. nov., sp. nov.