Sökning: "Philippe Clerc"
Hittade 2 avhandlingar innehållade orden Philippe Clerc.
1. Phylogenetic Studies in Usnea (Parmeliaceae) and Allied Genera
Sammanfattning : This thesis deals with the phylogeny of the lichen genus Usnea (Parmeliaceae, Ascomycetes). The relationships and the morphological variation among Usnea species has been studied, as well as the relationship of Usnea to allied genera. Two species, U. florida and U. LÄS MER
2. Lichens in Mountain Rainforests of Tanzania : Studies of Usnea and Calicioids
Sammanfattning : Lichens occur in various habitats. They often have narrow niches and are sensitive to environmental changes leading to their use as bioindicators of environmental disturbances and conditions; air and heavy metal pollution, agricultural toxins, assessing forest continuity and drought tolerance. LÄS MER