Trees and shrubs growing at the streamside include Fremont 's cottonwood ( Populus fremontii ) , willows ( Salix spp . ) .
Trees and shrubs growing at the streamside seep willows ( Baccharis salicifolia ) .
Trees and shrubs growing at the streamside include Fremont 's cottonwood ( Populus fremontii ) , willows ( Salix spp . ) , and seep willows ( Baccharis salicifolia ) .