Cheatgrass (Bromus tectorum) originated in Europe or Eurasia and was introduced to the U.S. in the mid- to late-1800s as a contaminant in seed and straw. It germinates in the fall and early spring, and grows rapidly and in high numbers, making it highly competitive with native species. Cheatgrass is also disrupting the fire cycle in sage habitat and other Western ecosystems, leading to more frequent and more intense burns.
Learn More: Cheatgrass and Medusahead
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Tamarisk is an invasive shrub or small tree that is found across the American West. Also known as saltcedar, tamarisk favors sites that are inhospitable to native streamside plants because of high salinity, low water availability, and altered streamflow regimes created by dams. Researchers debate the extent of tamarisk’s negative impacts, but this invasive species can and does alter habitat...
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How far has Chinese tallow spread in the United States?
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What is buffelgrass?
Buffelgrass is a perennial grass from Africa that is invasive to the Sonoran Desert of the Southwest United States, where it threatens desert ecosystems by out-competing native plants and altering fire regimes. It has the potential to transform the Sonoran Desert ecosystem from a diverse assemblage of plants to a grassland monoculture.Buffelgrass was brought to Arizona in the 1930s for erosion...
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- FAQ
What is tamarisk?
Tamarisk is an invasive shrub or small tree that is found across the American West. Also known as saltcedar, tamarisk favors sites that are inhospitable to native streamside plants because of high salinity, low water availability, and altered streamflow regimes created by dams. Researchers debate the extent of tamarisk’s negative impacts, but this invasive species can and does alter habitat...
How do Chinese tallow's characteristics make it such an aggressive invader?
The invasive Chinese tallow tree has the ability to reach reproductive age in as little as 3 years and to remain productive for at least 60 years. It does not seem to have a preference for disturbed areas over undisturbed areas and can grow in a variety of places. It can also grow in both full sunlight and shade. It is more tolerant of salinity and flooding than quite a few other native species...
How far has Chinese tallow spread in the United States?
Chinese tallow has been cultivated in nurseries and sold as an ornamental tree used for landscaping; however, it is now classified as a nuisance species in some locations and can no longer be sold. It has separate pollen and seed-bearing flowers, and seeds can be spread by birds and by moving water.Chinese tallow has spread from South Carolina all the way down to Florida, west into Texas, and has...
What products can be created with Chinese tallow?
Tallow has been cultivated as a seed-oil crop in China for at least 14 centuries. Candles, soap, cloth dressing, and fuel are made from the tallow. Chinese vegetable tallow is a solid fat that is in the outer covering of the Chinese tallow seeds. The kernels produce an oil called stillingia oil that is used in machine oils, as a crude lamp oil, and in making varnishes and paints. It can also be...
What is buffelgrass?
Buffelgrass is a perennial grass from Africa that is invasive to the Sonoran Desert of the Southwest United States, where it threatens desert ecosystems by out-competing native plants and altering fire regimes. It has the potential to transform the Sonoran Desert ecosystem from a diverse assemblage of plants to a grassland monoculture.Buffelgrass was brought to Arizona in the 1930s for erosion...
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