Krog, H 1968: The macrolichens of Alaska. - Norsk Polarinst. Skrifter144: 1-180. [RLL List # 69 / Rec.# 10502] Keywords: ALASKA/ FLORA/ MACROLICHENS/ PILOPHORUS/ UMBILICARIA/ HYPOGYMNIA/ PARMELIA/ CETRARIA/ NEW TAXA
Abstract: 32 fig. [326 species. New: Pilophorus vegae sp. nov., Umbilicaria angulata var. compacta var. nov., U. scholanderi (Llano) comb. nov., Stereocaulon sterile (Sav.) Lamb comb. nov., Hypogymnia imshaugii sp. nov. with var. inactiva var. nov., H. lugubris (Pers.) comb. nov. with subsp. beringiana subsp. nov., Parmelia denalii sp. nov., P. olivaceoides sp. nov., Cetraria elenkinii sp. nov., C. simmonsii sp. nov. with var. intermedia var. nov. and var. lobulata var. nov.]