Mary Jo Walker
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The tumbleweed dispersal strategies are unusual among plants; most species disperse their seeds by other mechanisms. Many tumbleweeds establish themselves on broken soil as opportunistic agricultural weeds. Tumbleweeds have been recorded in the following plant groups: Amaranthaceae (including Chenopodiaceae) Amaryllidaceae; Asphodelaceae ...
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Feb 7, 2022 · Part cultural icon and part invasive nuisance, tumbleweeds have an intriguing and tangled history.
- Sidney Stevens
This is where the name Russian thistle originates, said Ayres, although tumbleweeds aren’t thistles. The weed spread quickly through the United States — on rail cars, through contamination of ...
- 4 min
- 3.5M
- Deep Look
How did Russian thistle, also known as tumbleweed, become a symbol of the American West? Read about its origin, invasion, and impact on the environment and culture.
- 2 min
Jun 14, 2024 · Tumbleweed is a plant that detaches from its roots and rolls with the wind, spreading seeds as it goes. Learn about different types of tumbleweeds, such as pigweed, Russian thistle, and Colutea arborea, and how they grow and disperse.
Learn how tumbleweeds, also known as Russian thistle, arrived in North America in the 1870s and became one of the fastest plant invasions in history. Find out how they spread, why they are a threat, and how they are different from native tumbleweeds.
