“…Though situated in the north of Italy, Liguria has aerobiological --and hence allergological --characteristics which more closely resemble those of the south (Arobba et al, 1981;Negrini et al, 1983Negrini et al, , 1988Ariano, 1984Ariano, , 1985Arobba et al, 1987Arobba et al, , 1988. This is confirmed by the high incidence of certain pollinosis in Liguria which are much more frequently encountered in the South of Italy rather than in the North (D'Amato and Melillo, 1983;Negrini and D'Amato, 1985).…”