Larson, DW 1979: Lichen water relations under drying conditions. - New Phytologist82: 713-731. [RLL List # 104-60 / Rec.# 11104] Keywords: WATER RELATIONS/ UMBILICARIA/ BRYORIA/ CLADINA
Abstract: 4 figures. 6 tables. ["Evaporation from those species which show a very low resistance to evaporative water loss such as Bryoria nitidula, Umbilicaria deusta and U. vellea appears to be relatively insentitive to increases in radiant flux. Conversely, those species, or specific growth forms, which show a high resistance to evaporative water loss, such as Cladina stellaris and U. muhlenbergii, appear to be sensitive to increases in supply of radiant energy. These results suggest that the morphological control of evaporation in lichens is significant to the ecology of this group of plants."]
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