Setaria pumila (Poir.) Roem. & Schult., 1817
Common names: Yellow foxtail, Yellow bristle-grass, Pigeon grass, Cattail grass [En], Sétaire glauque, Sétaire naine [Fr], Geelrode naaldaar [Nl], Rote Borstenhirse [De], Κίτρινη σετάρια [Gr]
Vyroneia, SERRES ● Greece
Description:. This annual grass grows 20 cm to well over a meter in height, its mostly hairless stems ranging from green to purple-tinged in color.
The leaf blades are hairless on the upper surfaces, twisting, and up to 30 cm long.
The inflorescence is a stiff, cylindrical bundle of spikelets 2 to 15 cm long with short, blunt bristles. The panicle may appear yellow or yellow-tinged.
Biology: Flowering from June to September in the Northern Hemisphere.
Habitat: It grows in lawns, sidewalks, roadsides, cultivated fields, and many other places.
Distribution: It is native to Europe, but it is known throughout the world as a common weed.
Wikipedia, Setaria pumila