A survey of Windsor Jambs, a narrow gorge in Windsor State Forest, Massachusetts, resulted in 64 lichen species in 41 genera. Species diversity is high compared to other areas in the Berkshires. Despite the presence of red spruce trees in the surrounding forest, lichen species belonging to a boreal floristic element comprise only 6% of the lichen flora. An index of ecological continuity calculation indicated that the surrounding forest cannot be considered old-growth, despite the presence of some old-growth hemlock trees. The crustose lichen Diploschistes gypsaceus is reported as new for Massachusetts, and the filamentous lichen Cystocoleus ebeneus is new for New England.
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Vol. 29 • No. 4