POPULUS ANGUSTIFOLIA,SPECIES,POPLAR TREE,THE COMMON,NAMES,NARROWLEAF COTTONWOOD,WILLOW LEAVED POPLAR,TREE,NATIVE,THE GREAT,BASIN,THE UNITED STATES,WHERE IT,STREAMS,ELEVATION,THE TREE,SLIM,PROFILE,YELLOW GREEN,LANCEOLATE,LANCE,LEAVES,CATKIN,FLUFFY,WHITE,THE BUDS,STICKY,GUMMY,SORT OF,CHEWING GUM,LOCAL,NATIVE AMERICAN PEOPLES,THE APACHE,NAVAJO,THE HOST,SUGARBEET,ROOT,APHID,PEMPHIGUS BETAE,