Invasion of Schrader’s Bromegrass (Bromus catharticus) and Expansion of the Cairo Suburban Land: are they in Coincidence?

Set of phytocoenological records obtained in nineties of the twentieth century from extensively farmed patches and/or grasslands dominated by invasive grass Bromus catharticus in suburban area of Cairo, Egypt, is related to running and perspective expansion of this vegetation formation in the “city ecotone” at the metropolitan boundry.