Evernia


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Evernia

 

the genus of lichens of the family Usneaceae. The soft bushy thallus consists of narrow cylindrical or oblate branching blades. The upper surface is greenish gray, and the lower surface is whitish. The lichens contain everninic acid, usnic acid, and other lichen acids. There are about 15 species, growing on the trunks and limbs of trees and, less commonly, in the soil. The USSR has about eight species. Some species—including the most common, Evernia prunastri—are used in the perfume and drug industries.

References in periodicals archive ?
2011--Assessment of air pollution genotoxicity by RAPD in Evernia prunastri (L.
2004--Heavy metal accumulation in the lichen Evernia prunastri transplanted at urban, rural and industrial sites in central Italy--J.
2013--Response of Evernia prunastri to urban environmental conditions in Central Europe after the decrease of air pollution--Lichenologist 45(1): 89-100.
2013--Response of Evernia prunastri transplanted to an urban area in central Lithuania--Atmos.
the diethyl ether extracts of Evernia prunastri (34.
Cladonia convoluta (Zopf, 1908), Evernia prunastri (Hesse, 1915), Parmelia caperata (Hesse, 1915), Ramalina cuspidata (Salkowski, 1911) and Usnea rubicunda (Nair and Subramanian, 1962).
All the species studied except Evernia prunastri have been poorly studied and would be of interest for further chemical investigations which could provide new cytotoxic substances from lichens.
Es importante resaltar el valor indicador de especies como Parmelia sulcata y Evernia prunastri que se comportan como especies toxisensibles en este territorio, lo que corrobora los resultados de Fernandez-Salegui et al.
1994: The effect of spermidine, spermine, and putrescine analogues on the uptake and adsorption of putrescine by the lichen Evernia prunastri.
The effects of lichen phenols on the reaction modes of arginases produced in the light by the lichen Evernia prunastri.
Purification and some kinetical properties of several arginases from the lichen Evernia prunastri.
A biochemical approach to the hemiparasitic action of the epiphytic lichen Evernia prunastri on Betula pendula.