Populus angustifolia is a species of poplar tree known by the common names narrowleaf cottonwood and willow-leaved poplar. This tree is native to the Great Basin in the United States where it is most often found by streams and creeks between 3,900 to 5,900 feet (1,200 to 1,800 m) elevation.
Other Names: Hohootinbiit, Álamo de Hojas Delgadas, Topol Úzkolistý, Narrow-leaved Cottonwood
Hoheria angustifolia, the narrow-leaved lacebark or narrow-leaved houhere, is a species of flowering plant in the family Malvaceae, endemic to New Zealand.
Other Names: Narrow-leaved Houhere, Hoheria populnea angustifolia
Populus fremontii × populus angustifolia is a species of plants with 2 observations
Other Names: Populus fremontii x