Plant-pollinator relationships at two altitudes in the Andes of Mendoza, Argentina. - Medan, ,D.,.; Montaldo, ,N..H.,.; Devoto, ,M.,.; Mantese, ,A.,.; Vasellati, ,M..V.,.; Roitman, ,G..G.,.; and Bartoloni, ,N..H.. (Arctic, Antarctic and Alpine Research, 2002)