LITERATURE CITED
- Brodo, I. M. 1973. Substrate ecology. Pp. 401–441. In: The lichens. Eds., V. Ahmadjian and M. E. Hale, Jr. Academic Press, New York.
- Culberson, C. F. 1972. Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. J. Chromatogr. 72: 113–125.
- Culberson, C. F.. 1974. Conditions for the use of Merck silica gel 60 F254 plates in the standardized thin-layer chromatographic technique for lichen products. J. Chromatogr. 97: 107–108.
- Eigler, G. 1969. Studien zur Gliederung der Flechtengattung Lecanora. Dissert. Bot. [J. Cramer, Lehre] 4: i–iii, 1–195.
- Hale, M. E., Jr. 1965. Studies on the Parmelia borreri group. Svensk Bot. Tidskr. 59: 37–48.
- Henssen, A., and H. M. Jahns. 1974. Lichenes, eine Einführung in die Fletchtenkunde. Georg Thieme Verlag, Stuttgart. 467 p.
- Krog, H., and T. D. V. Swinscow. 1977. The Parmelia borreri group in East Africa. Norweg. J. Bot. 24: 167–177.
- Lynge, B. 1914. Die Flechten der ersten Regnelischen Expedition. Die Gattungen Pseudoparmelia gen. nov. und Parmelia Ach. Ark. Bot. 13(13): 1–172.
- Magnusson, A. H. 1939. Studies in species of Lecanora, mainly the Aspicilia gibbosa group. Kungl. Svenska Vetenskapsakad. Handl., Ser. 3, 17(5): 1–182.
- Nylander, W. 1858. Lichenes collecti in Mexico a Fr. Müller. Flora 1858: 377–381.
- Schauer, T. 1965. Ozeanische Flechten im Nordalpenraum. Portugaliae Acta Biol. Sér. B, Sist. 8B: 17–229.
- Vobis, G. 1977. Studies on the germination of lichen conidia. Lichenologist 9: 131–136.