1. Trace elements in terrestrial plants;Bargagli,1998
2. Zonation of trace metal accumulation in three species of epiphytic lichens belonging to the genus Parmelia;Bargagli;Cryptogamie Bryol Lichénol,1987
3. Elemental composition of epiphytic lichens from Okefenokee Swamp;Bosserman;Bryologist,1981
4. Mineral uptake by lichens;Brown,1976