LITERATURE CITED
- Ahmadjian, V. 1967. The lichen symbiosis. Blaisdell Publishing Co., Waltham, Massachusetts. 152 p.
- Ahmadjian, V., L. A. Russell, and K. C. Hildreth. 1980. Artificial reestablishment of lichens. I. Morphological interactions between the phycobionts of different lichens and the mycobionts Cladonia cristatella and Lecanora chrysoleuca. Mycologia 72: 73–89.
- Ahti, T. 1973. Taxonomic notes on some species of Cladonia, subsect. Unciales. Ann. Bot. Fenn. 10: 163–184.
- Culberson, C. F. 1969. Chemical and botanical guide to lichen products. University of North Carolina Press, Chapel Hill. 628 p.
- 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.
- Culberson, C. F., and W. L. Culberson. 1978. β-Orcinol derivatives in lichens: Biogenetic evidence from Oropogon loxensis. Exp. Mycol. 2: 245–257.
- Culberson, W. L., and C. F. Culberson. 1978. Cetrelia cetrarioides and C. monachorum (Parmeliaceae) in the New World. Bryologist 81: 517–523.
- Dey, J. P. 1978. Fruticose and foliose lichens of the high-mountain areas of the southern Appalachians. Bryologist 81: 1–93.
- Ejiri, H., and S. Shibata. 1975. Squamatic acid from the mycobiont of Cladonia crispata. Phytochemistry 14: 2505.
- Komiya, T., and S. Shibata. 1969. Formation of lichen substances by mycobionts of lichens. Isolation of (+)-usnic acid and salazinic acid from mycobionts of Ramalina spp. Chem. Pharm. Bull. 17: 1305–1306.
- Mosbach, K., and U. Ehrensvärd. 1966. Studies on lichen enzymes. Part I. Preparation and properties of a depside hydrolyzing esterase and of orsellinic acid decarboxylase. Biochem. Biophys. Res. Commun. 22: 145–150.
- Mosbach, K., and U. Ehrensvärd, and J. Schultz. 1971. Studies on lichen enzymes. Purification and properties of orsellinate decarboxylase obtained from Lasallia pustulata. Eur. J. Biochem. 22: 485–488.
- Rundel, P. W. 1969. Clinal variation in the production of usnic acid in Cladonia subtenuis along light gradients. Bryologist 72: 40–44.
- Schultz, J., and K. Mosbach. 1971. Studies on lichen enzymes. Purification and properties of an orsellinate depside hydrolase obtained from Lasallia pustulata. Eur. J. Biochem. 22: 153–157.
- Taguchi, H., U. Sankawa, and S. Shibata. 1969a. Biosynthesis of natural products. VI. Biosynthesis of usnic acid in lichens. (1). A general scheme of biosynthesis of usnic acid. Chem. Pharm. Bull. 17: 2054–2060.
- Taguchi, H., U. Sankawa, and S. Shibata. 1969b. Biosynthesis of natural products. VII. Biosynthesis of usnic acid in lichens. Seasonal variation observed in usnic acid biosynthesis. Chem. Pharm. Bull. 17: 2061–2064.
- Umezawa, H., N. Shibamoto, H. Naganawa, S. Ayukawa, M. Matsuzaki, T. Takeuchi, K. Kono, and T. Sakamoto. 1974. Isolation of lecanoric acid, an inhibitor of histidine decarboxylase from a fungus. J. Antibiot. 27: 587–596.
- Vicente, C., and M. P. Estévez. 1976. Inhibition of photolysis by chloroatranorine in isolated chloroplasts from Evernia prunastri's phycobiont. Bol. Soc. Esp. Hist. Nat. (Biol.) 74: 17–23.
- Wolfhagen, J. L., and E. J. Soltes. 1977. Low-cost methanol for HPLC in the educational laboratory. J. Chem. Educ. 54: 619.
- Yamamoto, Y., K. Nishimura, and N. Kiriyama. 1976. Studies on the metabolic products of Aspergillus terreus. I. Metabolites of the strain IFO 6123. Chem. Pharm. Bull. 24: 1853–1859.