Background: In the present study, tolerance of plantain tree species (Platanus orientalis, Morus nigra and Ailanthus altissima) to air pollution was evaluated using Air Pollution Tolerance Index (ATPI) Anticipated Performance (API) index in Isfahan city (Iran). Methods: For this purpose, three dominant trees growing at six stations selected then sampling leaves performed, after being transferre...

Se designa el lectotipo para nombre perteneciente a la especie Serjania altissima (Poepp.) Radlk. y se proponen tres nuevos sinónimos.

Die eerste organisasie van verpleegkundiges in Suid-Afrika was die Suid-Afrikaanse Vereniging vir Opgeleide Verpleegsters. Lidmaatskap was vrywillig en die Vereniging het swaar gedra aan die las van die hele beroep. Die SuidAfrikaanse Verpleegstersvereniging, met verpligte lidmaatskap, het in 1944 tot stand gekom. Die sake van die Vereni­ ging is behartig deur ’n Blanke bestuur en Adviserende K...

Careful study of apparently generalist phytophagous insects often reveals that they instead represent complexes of genetically differentiated host races or cryptic species. The goldenrod elliptical-gall moth, Gnorimoschema gallaesolidaginis, attacks two goldenrods in the Solidago canadensis complex: S. altissima and S. gigantea (Asteraceae). We tested for host-associated genetic differentiation...

in other to evaluation of morphological and phenological traits of 24 populations, from four species chamomile of the genus of anthemis, an experiment were carried out using randomized completely blocks design (rcbd) in three replications in alborz research station in karaj, iran during 2011-12. 13 traits including: length and width of canopy diameter, plant height, number of flower, shoot fres...