2011-12-04 Vienna XXII. district, Lobau - Danube National Park, Donau-Oder-Kanal (153 msm Quadrant 7865/1).German name: Quirl-EscheEasily distinguished from Fraxinus excelsior by its brown winter buds, while those of Fraxinus excelsior are almost black. Fraxinus angustifolia is rare in Vienna but is the dominating Fraxinus species in March/Morava alluvial forests of Eastern Lower Austria and Western Slovakia. Here in Austria only subsp. danubialis is native.
Forsythia suspensa is one of the 50 major herbs used in Traditional Chinese Medicine. This photo was taken in the Zoological & Botanical Garden, Hong Kong.
2011-10-09 Vienna XXII. district - Danube National Park (Lobau Hausgraben - bayou 153 msm Quadrant 7865/1).See also remarks here.What you can see here of course is mainly Fraxinus excelsior (bent by the wind, bearing fruit), but there's also Salix and Populus (and others) present here.