Mary Jo Walker
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The tumbleweed diaspore disperses seeds, but the tumbleweed strategy is not limited to the seed plants; some species of spore-bearing cryptogams—such as Selaginella—form tumbleweeds, and some fungi that resemble puffballs dry out, break free of their attachments and are similarly tumbled by the wind, dispersing spores as they go.
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Feb 7, 2022 · Part cultural icon and part invasive nuisance, tumbleweeds have an intriguing and tangled history.
Oct 30, 2023 · Tumbleweeds inspired our iconic view of the Old West, but what are they, and can they be controlled? Here’s everything you need to know about tumbleweeds.
It’s silent and windless. Yet one by one, like wolves in the night, tumbleweeds start gathering around them. “They’re following us,” the heroine cries.
The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it nee...
Sep 3, 2024 · Tumbleweed, plant that breaks away from its roots and is driven about by the wind as a light rolling mass, scattering seeds as it goes. Examples include pigweed (Amaranth retroflexus, a widespread weed in the western United States) and other amaranths, tumbling mustard, Russian thistle, the steppe.
The arrival and spread of Russian thistle is considered to be one of the fastest plant invasions in the history of the United States. Today the plant is found in all states except Alaska and Florida. Tumbleweeds in a roadside ditch in Haskell County, Kansas, being burned in 1941.
May 10, 2018 · Though tumbleweeds may be an iconic symbol of the Wild West, they originated in Eastern Europe. They likely arrived as stowaways in shipments of flax seeds brought to the U.S. in the 19th century.
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May 23, 2018 · tumbleweed, any of several plants, particularly abundant in prairie and steppe regions, that commonly break from their roots at maturity and, drying into a rounded tangle of light, stiff branches, roll before the wind, covering long distances and scattering seed as they go.
