It has an annual vine. It has berries but we don't know what eats them because they're poisonous to people.

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We don't have too many because they're only found in wet areas.

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Our 6th and 7th grade class has been trying to answer the question of whether we should preserve the Palouse Prairie that has 99.9% disappeared.  One of our case studies involved native and invasive plant species and their current role in the Prairie ecosystem.

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Source

Walter Fertig from WSU Herbarium