В статье охарактеризованы особенности отногенеза чужеродного североамериканского вида Fraxinus pennsylvanica Marsch. (Oleaceae) в пределах вторичного ареала Брянской области. Описаны некоторые биологии и экологии вида, связанные с его индивидуальным развитием, а также различия аналогичными данными для естественного вида. We describe the peculiarities of ontogeny alien North American species wit...

Immunology, Phd In Science, Private Practice, Mexico City, Mexico. Background: The pollen dispersal by wind is a natural event of great biological significance and an etiological factor in the genesis of allergic respiratory diseases. This is the first such study carried out in the city of Toluca, Mexico. Objective: To present the data of collected pollen from September 2004 to September 2005. ...

Immunology, Phd In Science, Private Practice, Mexico City, Mexico. Background: The pollen dispersal by wind is a natural event of great biological significance and an etiological factor in the genesis of allergic respiratory diseases. This is the first such study carried out in the city of Toluca, Mexico. Objective: To present the data of collected pollen from September 2004 to September 2005. ...

BACKGROUND AND AIMS The genus Olea (Oleaceae) includes approx. 40 taxa of evergreen shrubs and trees classified in three subgenera, Olea, Paniculatae and Tetrapilus, the first of which has two sections (Olea and Ligustroides). Olive trees (the O. europaea complex) have been the subject of intensive research, whereas little is known about the phylogenetic relationships among the other species. T...