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Document Type

Yellowstone National Park Report

First Page

111

Last Page

114

Abstract

Exotic plants occur in national parks and forests throughout the northern Rocky Mountains. We report here progress on a study to determine their physiological and ecological ranges within major environmental zone of the region. To date, we have clarified objectives, refined methodology, and sampled 80-85% of initial sites chosen in Glacier NP. We begin data analysis in January, and will sample in both Grand Teton and Glacier in the coming summer.

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