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.
2011-12-17 Lower Austria, district Bruck/Leitha - near Roethelstein ruin at Danube river, Danube National Park (140 msm Quadrant 7867/2).German name: Quirl-EscheOnly subsp. danubialis is native to the habitat; here near Braunsberg F. excelsior still is the most common ash species. F. angustifolia only is gaining prominence a few kilometres downriver, on March/Morava river (joining Danube river there).