Bromus sterilis

Descrição:

2012-05-13 Vienna XXII. district, Lobau - Danube National ParkGerman name: Ruderal-TrespeHere growing in great numbers among Urtica dioica and Solidago gigantea, some of which nurture a parasite, Cuscuta europaea which usually prefers Urtica, Humulus, Salix, Alnus and other species (also the neophyte Solidago gigantea), see also remarks here.