Bowler, PA/ Riefner, RE/ Rundel, PW/ Marsh, J/ Nash, TH, III 1994: New species of Niebla (Ramalinaceae) from western North America. - Phytologia77(1): 23-37. [RLL List # 158 / Rec.# 2213] Keywords: BAJA/ NIEBLA/ RAMALINA/ SONORAN DESERT/ WESTERN NORTH AMERICA
Abstract: 4 fig. [New: Niebla ceruchoides Rundel & Bowler sp. nov., N. isidiaescens Bowler, Marsh, Nash, & Riefner sp. nov., N. laevigata Bowler & Rundel sp. nov., N. polymorpha Bowler, Marsh, Nash & Riefner sp. nov., N. procera Rundel & Bowler sp. nov. Also, a key to the 14 North American taxa recognized by the authors is provided.]