Ferns grwoing in the fernery at the Phipps Conservatory in Pittsburgh, PA
Sycamore Island, a nature preserve owned and managed by the Allegheny Land Trust.
View from the front porch of my house in Morningside, Pittsburgh, PA
View of Tidioute on the Allegheny River
Point State Park, site of Fort Duquesne, then Fort Pitt, at the confluence of the Allegheny River and the Monongahela River to form the Ohio River.
Sandstone boulders like these are big chunks of colluvium that have slid down from ancient hilltops. They can serve as refugia for plants that might otherwise be heavily browsed by white-tailed deer.
Tionesta River at the conluence with Minister Creek, Allegheny National Forest, Warren County, Pa.
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