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The original was posted on /r/science by /u/morenewsat11 on 2025-01-30 14:37:58+00:00.

Original Title: Melting ice in the Greater Yellowstone Ecosystem of the Rocky Mountains exposes an ancient, mature stand of whitebark pine from the Holocene, 180 m in elevation above the modern treeline. Findings suggest it is possible the treeline may expand upslope with climate change.