Sökning: "Philippe Clerc"

Hittade 2 avhandlingar innehållade orden Philippe Clerc.

  1. 1. Phylogenetic Studies in Usnea (Parmeliaceae) and Allied Genera

    Författare :Kristina Articus; Leif Tibell; Mats Wedin; Jan-Eric Mattsson; Philippe Clerc; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biology; Usnea; Neuropogon; Dolichousnea; Eumitria; Protousnea; Parmeliaceae; phylogeny; taxonomy; species pairs; morphology; ITS-LSU; β-tubulin; mtSSU; Biologi; Biology; Biologi;

    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. 2. Lichens in Mountain Rainforests of Tanzania : Studies of Usnea and Calicioids

    Författare :Stella Gilbert Temu; Sanja Tibell Savić; Leif Tibell; Philippe Clerc; Göran Thor; Donatha Tibuhwa; Einar Timdal; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lichens; Usnea; calicioids; molecular phylogeny; secondary chemistry; morphotypes; Biology with specialization in Systematics; Biologi med inriktning mot systematik;

    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