Explore

Scattered throughout, but more common towards the head of the trail loop, close to Pickle Creek.

East of Jefferson Hall 100ft, near southwest corner of parking lot

Growing just east of Colton Road, in vicinity of a small spring that runs through a culvert under Colton Road to the east.

north facing forested slope on an old logging road

Growing along the shore of Crystal Lake, near an access point to the lake ESE of the dam of Big Wapwallopen Creek.

edge of meadow along Two Lick Run

wetland old field habitat south of Museum

North of jefferson Hall 25 ft

Common throughout Tioga forest and the Pine Creek gorge area. Found along an un-named tributary to Pine Creek during an aquatic entomology camping trip with MU's Dr. Wallace.

Found in the understory just west of the large campground near the crux of Deadman Hollow Road and Colton Road.

Floating offshore of Octoraro Lake, near the mouth of Leech Run, north of the eastern extent of Rt. 472 that crosses the lake.

Deepwater Island. Near cottage, high E side.

Ranatra pond. E side pond near path.

Deepwater island. Small pool.

Deepwater island. In rocks on pool edge.

Deepwater Island. Dry rocky area.

east-facing lower wooded slope and adjacent to stream.

Pack Saddle Covered Bridge, N of Fairhope. N facing quartzite cliff ca 20m above stream in vertical crevice.

Deepwater island. Rocks near pool. N end.

Deepwater island. Rocks near cottage

Between King's Gap Rd. and a small stream adjacent to the road near the entrance of the King's Gap Environmental Education Center.

ca. .5km E of Fairhope in Savage Mtn. Gap. In small, shaded NE facing rock outcrop of crossbedded sandstone

Deepwater Island. In pool

Deepwater island. From sunny cracks in rocks N end.

Deepwater island. Pool edge.

Woodland N and down in elevation from overlook.

Wood's edge, along railroad tracks. E side of Susquehanna and tracks.

Deepwater Island. Submerged in small pool

Fishing creek nature preserve. Streamside forests.

Duke Woodland near Divinity Church and French Science Ctr

Unnamed rock in shoals south of Norman Wood Bridge. Saxifragaceae? Shrub in rocks

Upper roddy greenhouse

Hocking Hills State Park. Shaded NW facing Block Hand Sandstone rockhouses in a very spectacular canyon with numerous rock houses 80-100m high and 30-40m deep.

Shaded ENE facing overhangs of Homewood Sandstone. Betula lenta, Tsuga, Rhododendron forest. .5 km W of Elakala Falls on trail near top of Blackwater Canyon

Ash Cave. Collected near ash area in the largest rockhouse in Ohio. Most spectacular. Ca 275m high and overhanging 75m forming a huge ampitheatre. Blackhand sandstone.

Greenland Gap, Rt. 93 ca 3km E of Scheer. NE facing Quartzite long beds cliff ca 10m high.

Shaded ENE facing overhangs of Homewood Sandstone. Betula lenta, Tsuga, Rhododendron forest. .5 km W of Elakala Falls on trail near top of Blackwater Canyon. Different rockhouse than 4672

Conkle's Hollow Nature Preserve. In sandstone rockhouses. This collected near upper end of a very narrow, spectacular gorge.

Upper roddy greenhouse.

Cantwell cliffs. Locally abundant in a spectacular gorge of Black Hand sandstone. On the face of a N facing sandstone cliff

Toby rune 1 mile east of Danville Pa.

Hocking Hills State Park. Shaded NW facing Block Hand Sandstone rockhouses in a very spectacular canyon with numerous rock houses 80-100m high and 30-40m deep. Different rockhouse than 4675.

Blackwater Falls State Park. Abundant in N facing rockhouses of Homewood Sandstone in shaded ravines near walkway and path near trading post

Old Man's Cave. Hocking Hills State Park.

Sterling hilll

Near Mechanicsburg

Phesant few, between Mt. Gretna and Colebrook

108 charles road. [Groff's residence]

108 charles road, Lancaster [Groff's residence]

Little chestnut Island. Pipeline.