“…HAHT soils have been investigated at length in terms of their physical and chemical properties (Buondonno et al, 1998;Doichinova et al, 2005;Donohue et al, 2009;Gong et al, 1997;Greenberg and Wilding, 2007;Hiller, 2000;Murolo et al, 2005;Olson et al, 2005;Saiano and Scalenghe, 2009;Schleuß et al, 1998), mineralogical characteristics (Buondonno et al, 2008;Norra et al, 2008;Scalenghe and Ferraris, 2009), biological features (Kim et al, 2007;Shukurov et al, 2009), and genesis/evolution (Bini and Gaballo, 2006;Bokhorst et al, 2005;Effl and and Pouyat, 1997;Fanning et al, 1978;Wei et al, 2006). Moreover, the taxonomic aspects related to their allocation within U.S.…”