Search for dissertations about: "Michael S Zavada"

Found 1 swedish dissertation containing the words Michael S Zavada.

2. 1. Pollen and pollination in Ephedra (Gnetales)

   Author : Kristina Bolinder; Catarina Rydin; Johan Ehrlén; Michael S Zavada; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; aerodynamics; evolution; moonlight; pollination; pollen morphology; ultrastructure; växtsystematik; Plant Systematics;

   Abstract : Ephedra (Gnetales) is a gymnosperm genus with a long evolutionary history; the first dispersed pollen grains with affinity to the group are known already from the Permian. This thesis focuses on the evolutionary history of the group and different aspects of its pollination mechanisms. READ MORE