Hildur Krog

• A contribution to the lichen flora of Alaska
• Cetraria inermis (Nyl.) Krog, a new lichen species in the amphi-Beringian flora element
• Contribution to the lichen flora of the Canary Islands
• Corticolous macrolichens of low montane rainforests and moist woodlands of eastern Tanzania
• Dactylina madreporiformis in Alaska
• Further observations on Pyxine in Africa
• Key to the genera of Macrolichens in East Africa
• Key to the Genera of Scandinavian Macrolichens
• Lavflora
• Lethariella and Protousnea
• Microchemical studies on Parmelia
• Notes on the distribution of Parmelia saximontana Anderson & Weber