According to observations of naturalists and beekeepers.
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Goodding's willow is distributed from northern California to western Colorado and south to southern California and Texas. It is also found in river valleys of northern Mexico.
This plant is present in at least 7 states/provinces in this country.
Goodding's willow is a fast-growing, deciduous, dioecious, native shrub or tree. It attains a height of 20 to 60 feet (6-18 m) and has an average d.b.h. of 30 inches (76.2 cm). Leaves are 2 to 4 inches (5-10 cm) long; female catkins are 1.5 to 3.2 inches (4-8 cm) long. Fruits are capsular. The bark of Goodding's willow is thick, rough, and deeply furrowed.
Catkins of Goodding's willow appear in early March. Seeds ripen and are dispersed in early spring.
Ulmus americana (aka: American elm, White elm, Water elm, Soft elm, Florida elm)
Salix nigra (aka: Black willow, Swamp willow, Southwestern black willow, Gulf black willow, Scythe-leaved willow)
Acer saccharinum (aka: Silver maple, Soft maple)
Cercis canadensis (aka: Eastern redbud, Redbud, Cersis Reniformis)
Malus angustifolia (aka: American crab apple, Buncombe crab apple, Crabtree, Narrowleaf crab, Narrowleaf crab apple, Southern crab, Southern crab apple)
Aronia arbutifolia (aka: Red chokeberry)
Amelanchier arborea (aka: Common serviceberry, Downy serviceberry, Juneberry, Shadbush, Shadblow, Sugarplum)
Salix gooddingii (aka: Goodding's willow, Dudley willow, Valley willow, Western black willow)
Prunus serotina (aka: Black cherry, Wild black cherry, Rum cherry, Mountain black cherry, Wild cherry)
Acer grandidentatum (aka: Bigtooth maple, Canyon maple, Western sugar maple)
Acer negundo (aka: Boxelder, Western boxelder, Arizona boxelder, California boxelder, Texas boxelder, Interior boxelder, Violet boxelder)
Robinia pseudoacacia (aka: Black locust, False acacia, Yellow locust, White locust, Green locust, Post locust, Falsa acacia, Robinia)
Celtis laevigata (aka: Hackberry, Sugarberry, Lowland hackberry, Sugar hackberry, Arizona sugarberry, Netleaf hackberry, Small's hackberry, Southern hackberry, Texas sugarberry)
Pyrus communis (aka: European pear, Common pear)
Ungnadia speciosa (aka: Mexican buckeye, Texas buckeye, Canyon buckeye, Spanish buckeye, New Mexican buckeye, New Mexico buckeye, False buckeye, Monillo, Monilla)