[Cancelled] Jefferson Chapter Meeting: Shale Barrens with Tim Williams

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Wednesday, April 8, 2020
7:30 pm - 9:00 pm

Ivy Creek Natural Area - Education Building


Much of Virginia west of the Shenandoah Valley is composed of Devonian age shale. Where the shale slopes face south, the daytime temperatures can exceed 120˚F and moisture is exceedingly rare. These slopes are mostly barren of plant life and are given the name of Shale Barrens. Even so, there is a group of about 30 species of plants that occur mainly or exclusively on these barren slopes. Their closest relatives live in the deserts of Utah and the American Southwest.

Well-known local botanist and Jefferson Chapter member Tim Williams will feature these plants in his presentation. They range from Asters to Clementis, pinks, umbels, mints, clover, wall flowers, evening primrose, and even ferns and club mosses.


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