References
- Brodo, I. M., Shamoff, D. S. and Shamoff, S. 2001. Lichens of North America, pp. 231-264. Yale University Press, New Haven and London.
- Culberson, C. F. 1972. Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. J. Chromatography 72:113-125.
- Hur, J. S., Koh, Y. J. and Harada, H. 2005. A checklist of Korean lichens. Lichenology 4:65-95.
- Laundon, J. R. 1984. The typification of Withering’s neglected lichens. Lichenologist 16:223.
- Osyczka, P. 2006. The lichen genus Cladonia (Cladoniaceae, lichenized Ascomucota) for Spitsbergen. Polish Polar Research 27:207-242
- Wei, J. C. 1991. An Enumeration of Lichens in China. International Academic Publishers, Beijing, China.
- White, F. J. and James, P. W. 1985. A new guide to microchemical techniques for the identification of lichen substances. Brit. Lichen Soc. Bull. 57:1-41.