Phenolic levels in Umbilicaria americana in relation to enzyme polymorphism, altitude and sampling date

Lichenologist

Volumn 28, Issue 4, 1996, Pages 331-339

  Swanson, Andrew ^a   Fahselt, Dianne ^a   Smith, Dale ^a  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

UMBILICARIA AMERICANA;

EID: 0030199780     PISSN: 00242829     EISSN: None     Source Type: Journal    
DOI: 10.1006/lich.1996.0030     Document Type: Article

References (26)

1. Blumthaler, W. & Ambach, M. (1990) Indication of increasing solar ultraviolet-B radiation flux in alpine regions. Science 248: 206-208.
2. Caldwell, M. M., Teramura, A. H. & Tevini, M. (1989) The changing solar ultraviolet climate and the ecological consequences for higher plants. Trends in Ecology and Evolution 4: 363-367.
3. Culberson, C. F. (1972) Improved conditions and new data for the identification of lichen products by a standardized thin-layer chromatographic method. Journal of Chromatography 72: 113-125.
4. Culberson, C. F. & Johnson, A. (1982) Substitution of methyl tert.-butyl ether for diethyl ether in the standardized thin-layer chromatographic method for lichen products. Journal of Chromatography 238: 483-487.
5. Culberson, C. F., Culberson, W. L. & Johnson, A. (1993) Occurrence and histological distribution of usnic acid in the Ramalina siliquosa species complex. Bryologist 96: 181-185.
6. Fahselt, D. (1984) Interthalline variability in levels of lichen products within stands of Cladina stellaris Bryologist 87: 50-56.
7. Fahselt, D. (1993) UV-absorbance in thallus extracts of umbilicate lichens. Lichenologist 25: 415-422.
8. Fahselt, D. (1994) Secondary biochemistry of lichens. Symbiosis 16: 117-165.
9. Hageman, C. (1989) Electromorph variation in the family Umbilicariaceae. Ph.D. dissertation, University of Western Ontario, London, Ontario.
10. Hageman, C. & Fahselt, D. (1990) Enzyme electromorph variation in the lichen family Umbilicariaceae within-stand polymorphism in umbilicatelichens of eastern Canada. Canadian Journal of Botany 68: 2636-2643.
11. Hale, M. E. (1956) Ultraviolet absorption spectra of lichen depsides and depsidones. Science 123: 671.
12. Hale, M. E. (1983) The Biology of Lichens Baltimore, MD: Arnold.
13. Hill, D. J. & Woolhouse, H. W. (1966) Aspects of the autecology of Xanthoria parietina agg. Lichenologist 3: 207-214.
14. Honegger, R. (1986) Ultrastructural studies in lichens II. Mycobiont and photobiont cell wall surface layers and adhering crystalline lichen products in four Parmeliaceae. New Phytologist 103: 797-808.
15. Huneck, S. (1968) Lichen substances. In Progress in Phytochemistry, 1 (L. Reinhold & Y. Liwschitz, eds): 223-346. New York: Interscience Publishers.
16. Jagger, J. (1985) Solar-UV Actions on Living Cells New York: Praeger.
17. Lewin, B. (1987) Genes, 3rd Edn. New York: Wiley.
18. Madronich, S. (1993) The atmosphere and UV-B radiation at ground level. In Environmental UV Photobiology (A. R. Young, ed.): 1-40. New York: Plenum Press.
19. Peet, R. K. (1974) The measurement of species diversity. Annual Review of Ecology and Systematics 5: 285-307.
20. Quilhot, W., Hidalgo, M. E., Fernandez, E., Peny, W. and Flores, E. (1992) Possible biological role of the secondary metabolites on Antarctic lichens. Serie Cientifica INACH 42: 53-59.
21. Rao, P. S., Sarma, K. G. & Seshadri, T. R. (1967) The ultraviolet and infrared spectra of some lichen depsides and depsidones. Proceedings of the Indian Academy of Science 66A: 1-14.
22. Rundel, P. W. (1969) Clinical variation in the production of usnic acid in Cladonia subtenuis Bryologst 72: 40-44.
23. Sullivan, J. H. (1992) Variation in the UV-B sensitivity in plants from a 300-m elevational gradient in Hawaii. American Journal of Botany 79: 737-743.
24. White, F. J. & James, P. W. (1985) A new guide to microchemical techniques for the use of identification of lichen substances. British Lichen Society Bulletin 57(suppl.): 1-41.
25. Zar, J. H. (1974) Biostatistical Analysis Englewood Cliffs, NJ: Prentice-Hall.
26. Ziska, L. A., Teramura, A. M. & Sullivan, J. H. (1992) Physiological sensitivity of plants along elevational gradient to UV-B radiation. American Journal of Botany 79: 863-871.