New tumbleweed species is taking over California, Science
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Monster Tumbleweeds Are Trapping People in Cars and Homes - Sunset
Pictures We Love: Invasion of the Tumbleweeds
Why do tumbleweeds tumble?
Tumbleweeds - National Geographic Magazine
California's Meddlesome Tumbleweeds Could Grow Even More Menacing - Atlas Obscura
Weed seed dispersal - real world - UC Weed Science - ANR Blogs
Giant tumbleweeds are causing giant headaches for this California town
Tumbling tumbleweeds: Western icon also can be an unwelcome guest, Local
Colorado tumbleweeds overrun drought areas
Russian-Thistle - SARE
