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Ca 6 miles E of Leeds on Rt. 78.

At Rock Castle Creek.

Siloam Springs State Park; near road.

Eudora Glades, a series of Channel Sandstone glades ca. 1.3 miles E/NE of Eudora.

West of Lake Forest, about 1 mile north of Route 60, east of the Milwaukee RR.

Just south of Hamilton, east of 41st Street. off of 132 Avenue (unimproved)

Bennett Spring Savanna, along west side of hwy 00, ca. 6 miles south of Bennett spring State Park. At southwest comer of zone 3.

Near Palos Park, at the canyon in Camp Sagawau Forest Preserve.

Near Lisle, on the grounds of the Morton Arboretum, at outlet of Joy Pond-Thornhill area, West Side.

Near Kewanee, off the W side of U.S. 61/62, 1/4 mi N of jct with Hwy W.

About 10 miles south west of Murphysboro at the Little Grand Canyon in the Hickory Ridge area.

5 mi S, 2.8 mi W of Alexandria, Rockport Hutterite Colony

St. Joe State Park, east of Harris Branch; ca. 1 mile south of Elvins.

At summit of massive south-facing bluff along north side of hwy 54, ca. 1.45 miles east of Cedar County line.

In Warsaw, at the Alice Kibbe Station

Along blufftop east of Maze Creek, south of Route 215.

Near Rockwoods Reservation; along west side of Glencoe Road.

One mile south of Altona, at the Walnut Grove Cemetery

City of Ladue. On slate roof tiles of Hecker residence, 26 Black Creek Lane.

On lower east-facing slope in Devil's Den.

City of Ladue. Hecker residence, 26 Black Creek Lane.

In Elkhart, at Kickapoo Creek County Park; along Kickapoo Creek.

Reifsnider State Forest. Rock along Charette Creek.

About 1.7 miles southeast of Kliever, along the north side of Hwy N, about 1.9 miles east of Hwy 87.

Near Florid, at Union Grove Cemetery

Near Wilmington, west of Baseline Rd, north of Blodgett Rd. in the Deer-Run Centerpoint property. North of Midewin Tallgrass Prairie.

Near Elkhart, at Elkhart Grove Nature Preserve - Gillett Farm

Near Pleasant Prairie, at Chiwaukee Prairie just SE of the 122 st. trail where it ends at the railroad tracks.

On ridgetop at The Pinnacles; along Silver Fork Creek, about 12 miles north of Columbia.

Bennett Spring State Park. North/northwest of junction of Route 64 and 64A.

Roland Olson Forest Preserve

West of Newton, about 1 mile north of State Route 71, west of Running Deer Lake, in open park southwest of the intersection of 100N and 75W road

Near Palos Park, about 1/8 mile northwest of the intersection of 123rd and Willow Springs Rd., in Horsetail Lake Forest Preserve.

On the grounds of the Morton Arboretum in the Hidden Lake holdings

Mark Twain National Forest, along south edge of pasture south of Bull Creek.

About 20 miles west of Doniphan, off Forest Service Road at the Buffalo Creek Camp Ground, 2 miles north of Route 160.

Along south floodplain of Lamine River at Robert's Bluff, ca. 3.5 miles south of Blackwater.

Below Bat Cave, along north shore of Current River, ca. 5 miles south of Shannondale.

In Chicago, at Bunker Hill/Oxbow Forest Preserve, along the west side of Caldwell Ave, about 1/4 mile north of Devon Ave.

Near Yorkville, at the Yorkville Prairie

About 6 miles northeast of Bald Bluff, at the bridge over tributary to North Henderson Creek, 0.8 mile south of county line

Near Zion, at Illinois Beach State Park - North Unit, along Lake Michigan shoreline.

Near Zion, just south of Illinois Beach State Park, at Hosah Prairie.

Near Wilmington, at the Des Plaines Fish & Wildlife Area, just west of 1-55 & north of Blodgett Road

At the north edge of Maryville, off the east side of Rt. 136 at roadside park.

Vicinity of Round Hill, on Timon Primm farm, ca. 3 miles east/southeast of Caledonia.

Near Glencoe, near the intersection of I-94 and Dundee Road, at the Chicago Botanic Garden.

One mile northeast of Walkers Ford in old cemetery.

Dinosaur National Monument: mouth of Split Mountain Gorge, on the Park City (Permian) Formation.

Small tributary to Fox Hollow Branch, ca. 2 miles southeast of Sapp, on Wallace Rogers tract.