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North America’s agricultural and natural landscapes are vital to feeding humanity—they are home to many populations of important food plants and their wild relatives.
European ash is a significant tree commercially, ecologically, and culturally. It is currently
threatened by two invasive species, the fungus that causes ash dieback and
Agriculture is comprised of managed ecosystems, which can include forests, rangelands
and crops; these managed ecosystems are vital resources, providing a host
Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.
Biodiversity in and across food and agriculture systems provides tremendous value to present and future generations. However, across the world we are losing genes, species, and ecosystems faster than we can account for them.
Mulches provide many benefits for trees and shrubs.
Horticultural plants play various and critical roles for humans by providing fruits, vegetables, materials for beverages,and herbal medicines and by acting as ornamentals.
Crop wild relatives, the wild progenitors and closely related cousins of cultivated plant
species, are sources of valuable genetic resources for crop improvement. Persisting gaps
Urbanization is a large driver of biodiversity globally.
Interception of potential invasive species at ports-of-entry is essential for effective biosecurity
and biosurveillance programs. However, taxonomic assessment of the immature stages