Tumbling tumbleweed is an invasive species

A large tumbleweed blocks a portion of Pulehu Road recently. The invasive thorny bushes are annual plants that break off at the stem when they dry and distribute seeds as they roll in the wind (up to 250,000 seeds per bush). The type of tumbleweed found on Maui, Russian thistle, is thought to be originally […]

Tumbleweeds tumbling in the Columbia Basin, Weeders of the West

Colorado tumbleweeds overrun drought areas

A Russian Immigrant at Home on the Range

Colorado inundated with tumbleweeds – Chico Enterprise-Record

Tumbleweed (not native)

Exotic grass outbreak 'out of control' as residents battle tumbleweeds in homes and on roads - ABC News

Tumble weeds before they tumble. : r/mildlyinteresting

Tumbleweed, - Russian Thistle - DesertUSA

Tumbling tumbleweeds just keep drifting along, Local News

Russian Thistle Center for Invasive Species Research