BACKGROUND: Saltcedar was introduced from Eurasia and is found throughout the United States. It is widely used as an...

BACKGROUND: Russian knapweed is native to Eurasia. It infests rangelands, field edges, pasture, roadsides, and other...

BACKGROUND: Originally found in the Mediterranean area, quackgrass infests crops, rangeland, pasture, and lawns. It ...

BACKGROUND: Bermudagrass probably came from Africa. It prefers warmer regions, but it is becoming established in coo...

BACKGROUND: Scotch thistle is native to Europe and eastern Asia. It grows well in waste areas, pastures, rangeland, ...

BACKGROUND: Native to Eurasia and Africa puncturevine can be found along roadsides, in cropland, pastures, and waste...

BACKGROUND: Poison hemlock is a European native, growing 6 to 10 feet tall. It is commonly found along waterways, ro...

BACKGROUND: Native to North America and Europe, phragmites is a weed in wetlands, marshes, and waterways, where it c...

* Sorghum grasses include many different variants and can hybridize easily with each other, Johnsongrass and Sorghum...

BACKGROUND: Native to southern Europe and western Asia, perennial pepperweed is commonly found in wet drainage areas...

BACKGROUND: Native to southern Europe and western Asia, musk thistle thrives in pastures and rangelands, in waste ar...

BACKGROUND: Native to Eurasia, jointed goatgrass is a weed in rangeland, disturbed areas, fields, pastures, and alon...

BACKGROUND: Houndstongue is a native of Europe. It thrives in disturbed soils along roadsides, trails, in pastures, ...

BACKGROUND: This plant originated in Europe. It reproduces by root segments and seed. It is commonly found on distur...

BACKGROUND: This European native reproduces from both seed and rootstock. Seeds may remain viable in the soil for up...

BACKGROUND: A native to southeastern Eurasia, Canada thistle reproduces by seeds and rootstock. It is adaptable to a...