Urban Flora Biodiversity of Some Continental Cities of the Po Plain (Emilia-Romagna, Northern Italy).

Comparing the classes of grassland vegetation for every city analysed and the global flora ( Table 7 ), the most relevant differences concern Festuco-Brometea and Tuberarietea guttatae : the latter class, composed of Mediterranean thermophilous species, seems to show a decreasing trend moving from eastern cities (except for Ferrara) to western ones. 2.1.5.

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