Common Sow Thistle
Common Sow Thistle (Sonchus oleraceus) is believed to be native to Europe and has become an invasive species in various parts of the world, including North America.
Fountain Grass
Fountain Grass (Pennisetum setaceum) In 2020, Fountain Grass was listed as an Arizona Noxious Weed.
Giant Reed
Giant Reed (Arundo donax), believed to be native to the Mediterranean region, has become an invasive species in various parts of the world, including the Southwestern United States.
London Rocket
London Rocket (Sisymbrium irio) is believed to be native to the Mediterranean region and has become an invasive species in various parts of the world, including North America.
Malta Star Thistle
Malta Star Thistle (Centaurea melitensis) is believed to be native to the Mediterranean region and has become an invasive species in North America.
Russian Thistle (Tumbleweed)
Tumbleweed, often referring to Russian Thistle in the context of invasive plants, is believed to have originated in Eurasia and has become an invasive species in North America.
Salt Cedar
Salt Cedar (Tamarix spp.) is native to Eurasia and has become an invasive species in various parts of North America.
Sahara Mustard
Sahara Mustard (Brassica tournefortii) is believed to have originated in North Africa and has become an invasive species in parts of North America.
Red Brome
Red Brome is considered a problem due to its rapid growth, prolific seed production.
African Sumac
Also known as African tallowwood or simply Sumac, is an invasive plant species that has been causing ecological concerns in the southwestern United States.
