Noun
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slender threadlike roundworms living in the blood and tissues of vertebrates
transmitted as larvae by biting insects
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European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up
often grown for forage
- redstem storksbill - pin grass - pin clover - erodium cicutarium