The term wool alien is used for any plant species whose occurrence at a particular site is due to transportation there as a result of the making of wool products. The most common source of wool aliens is when a plant, seed, or bur attaches to the wool of a sheep or other wool-producing animal prior to shearing.
The term wool alien is used for any plant species whose occurrence at a particular site is due to transportation there as a result of the making of wool products. The most common source of wool aliens is when a plant, seed, or bur attaches to the wool of a sheep or other wool-producing animal prior to shearing.
Source: Wikipedia "Wool alien" · CC BY-SA 4.0
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