In this environmental unit, richness and frequencies were lower compared with the Alluvial Fan Environmental Unit.This is most probably due to the low sampling intensity in the foothill unit (8 m2 against 31 m2 in the alluvial fan), and perhaps some factors of the relief that could determine a more limited distribution in these sites with a certain gradient.However, species are the same as those encountered in the alluvial fan environment.In relation to the phytosociological communities identified for this environmental unit, no particular unit was recorded, since the foothills exhibit the same species, with indications of abundance/dominance of the phytosociological sampling similar to that of the alluvial fan unit.