REFERENCES

• Ahti , T. 1966 . Correlation of the chemical and morphological characters in Cladonia chlorophaea and allied lichens. . Ann. Bot. Fenn. , 3 : 380 – 389 .
   Google Scholar
• Ahti , T. 1980 . Nomenclatural notes on Cladonia species. . Lichenologist , 12 ( 1 ) : 125 – 133 .
   Google Scholar
• Asahina , Y. 1940 . Chemismus der Cladonien unter besonderer Berücksichtigung der japanischen Arten. 1. Cladonia chlorophaea und verwandte Arten. . J. Jap. Bot. , 16 : 709 – 727 .
   Google Scholar
• Asahina , Y. 1941 . Chemismus der Cladonien unter besonderer Berücksichtigung der japanischen Arten. Nachtrag zu Cladonia chlorophaea und verwandte Arten. . J. Jap. Bot. , 17 : 431 – 437 .
   Google Scholar
• Asahina , Y. 1943 . Chemismus der Cladonien unter besonderer Berücksichtigung der japanischen Arten (Fortsetzung). . J. Jap. Bot. , 19 : 47 – 56 . 227–244
   Google Scholar
• Asahina , Y. 1950 . Lichens of Japan. I. Genus Cladonia. . Tokyio , 255
   Google Scholar
• Bowler , P. A. 1972 . The distribution of four chemical races of Cladonia chlorophaea in North America. . The Bryologist , 75 : 350 – 354 .
   Google Scholar
• Culberson , C. F. and Ammann , K. 1979 . Standardmethode zur Dünnschichtromatographie von Flechtensubstanzen. Herzogia 5: 1 – 24 .
   Google Scholar
• Culberson , C. F. and Kristinsson , H. 1969 . Studies on the Cladonia chlorophaea group: a new species, a new metadepside and the identity of «novochlorophaeic acid». . The Bryologist , 72 : 431 – 443 .
   Google Scholar
• Culberson , C. F. , Culberson , W. L. and Arwood , D. A. 1977 . Physiography and Fumarprotocetraric Acid Production in the Cladonia chlorophaea group in North Carolina. . The Bryologist , 80 : 71 – 75 .
   Google Scholar
• Dahl , E. 1950 . Studies in the macrolichen flora of South West Greenland. . Meddr., Gronland , 150 ( 2 ) : 1 – 176 .
   Google Scholar
• Evans , A. W. 1943 . Asahina's microchemicalstudies on the Cladoniae. . Bull. Torrey Bot. Club , 70 : 139 – 151 .
   Google Scholar
• Evans , A. W. 1944 . Supplementary report on the Cladoniae of Connecticut. . Trans. Conn. Acad. Arts Sci. , 35 : 519 – 626 .
   Google Scholar
• Kristinsson , H. 1971 . Morphological and chemical correlations in the Cladonia chlorophaea complex. . The Bryologist , 74 : 13 – 17 .
   Google Scholar
• Hakulinen , V. 1949 . Ueber das Vorkommen von Cladonia gray: Men. im oestlichen Fennoskandien. . Arch. Soc. Vanamo , 4 : 17 – 20 .
   Google Scholar
• Leuckert , C. and Poelt , J. 1970 . Cladonia conistea in Mitteleuropa. Herzogia 1: 441 – 445 .
   Google Scholar
• Leuckert , C. , Ziegler , H. G. and Poelt , J. 1972 . Zur Kenntnis der Cladonia chlorophaea Gruppe und ihrer Problematik in Mitteleuropa. . Nova Hedwigia , 22 : 503 – 534 .
   Google Scholar
• Nourish , R. and Oliver , R. W.A. 1976 . Chemotaxonomic studies on the Cladonia chlorophaea-pyxidata complex and some allied species in Britain. In: Lichenologi: progress and problems. . Syst. Ass. Sp. Vol. N. , 8 : 185 – 214 .
   Google Scholar
• Sipman , H. J.M. 1973 . The Cladonia pyxidata—fimbriata complex in the Netherlands with description of a new variety. . Acta Bot. Neerl. , 22 : 490 – 502 .
   Google Scholar
• Thomson , J. W. 1968 . The lichen Genus Cladonia in North America. 172 pp. Toronto
   Google Scholar
• Wetherbee , R. 1969 . Population studies in the chemical species of the Cladonia chlorophaea group. . Mich. Bot. , 8 : 170 – 174 .
   Google Scholar