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Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Mulberry 7.5' Quad. “Mainard Prairie”. 6.1 mi. NNE of Charleston. NW of jct. of Hwy 215 & Gilsinger Rd. (CR 33). Property owned by the Mainard family.

Ouachita Mountains. USGS Nimrod SE 7.5' Quad. Ouachita National Forest; Forked Mountain off FR 86 and Little Cedar Creek; 25 air miles south of Russellville. TRS: T3N R19W S32 SE4

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. SW Miller County, E side of CR-155, 2.8 miles N of the SR-160 jct.

Ca 0.6 mi N of US 84 ca 0.5 mi W of Castor Creek and La Salle Parish line. TRS: T10N R1E S22 NE4

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Big Fork 7.5' Quad. Ouachita National Forest. Leader Mountain. N of FS Rd. 106 & just W of Montgomery County line. Collected in vicinity of Ouachita National Forest/The Nature Conservancy vegetat

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Hot Springs South 7.5' Quad. Hot Springs. S of Hwy 270 bypass, E of Higdon Ferry Rd, on the W side of the medical services buildings between Section Line Cove, and Section Line Tr.

West Gulf Coastal Plain. USGS Piney Grove 7.5' Quad. W side of Hwy 19 at Game and Fish access to Little Missouri River. TRS: T9S R28W S22 NE4NW4NE4

Between RR and US 70, 4.6 mi. W of junc. AR 261. Vascular Flora of St. Francis Co., Arkansas. TRS: T4N R1E S22 NE4

Ozark Highlands. Central Plateau Ecoregion. USGS Sitka 7.5' Quad. E side of Hurricane Creek, along both sides of AR Hwy 354, about 0.8 road mi. W of jct. with AR Hwy 58 S of Sitka. TRS: T17N R5W S12 NE4SE4

Along west side of U.S. 52, 1.4 miles south of Monck's Corner.

Pickett State Park, Hazard Cave rockhouse.

Poison Springs State Forest Sand Barren & Oak-Pine Forest Preserve. From the edge of open sand barren 2.3 kilometers east of the town of Chidester along Hwy 23. 130 meters north of Hwy 23.

Knoxville, about halfway between Exit 379A and Exit 380 of east-bound lane of Interstate 40, S side of interstate.

Richland Creek Campground, ca 12 mi NE of Pelsor (Sand Gap), Ozark Natl Forst.

Flanagan Prairie Natural Area. Collected from 130 meters southwest of the parking area along Grand Prairie Road.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. South Fourche LaFave River, 0.75 mi. (by river) downstream from Rocky Crossing.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Reed Mountain 7.5' Quad. Ouachita National Forest. "Honey Hole Glades".

West Gulf Coastal Plain. Pleistocene Fluvial Terraces/Floodplains & Low Terraces Ecoregion boundary. USGS Cotton Valley 7.5' Quad. 3.1 mi. S of Sarepta. Wenks Landing Seep Natural Area (within Bodcau Wildlife Management Area). N of Wenks Landing.

Ozark Highlands. Current River Hills Ecoregion. Ozark National Scenic Riverways. Spring Valley Township. Shannon County Rd. 106-425 between Hwy 106 and Bay Creek Public Use Area.

Ouachita National Forest. South Fourche Botanical Area below (east) Cove Creek Lake.

Chesney Prairie Natural Area. Approximately 2 miles north of Siloam Springs, Arkansas.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. 1.1 mi. SSE of Alexander. E side of Alexander Mountain. Along unnamed tributary in headwaters of Otter Creek.

Arkansas Valley. Arkansas River Floodplain Ecoregion. USGS North Little Rock 7.5' Quad. Little Rock. Murray Park. NW corner of northeastern-most soccer field.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Fayetteville 7.5' Quad. Collected from cultivated specimen in collector's garden, transplanted in November 2015 from Owl Creek, 0.25 mi. upstream (E of) N Broyles Rd.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS McLeod 7.5' Quad. 2.4 mi. E of McLeod, TX, S of Myrtis-Texas Line Rd., 0.14 mi. E of TX border.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Traskwood 7.5' Quad. 2.4 mi. SW of Traskwood. S of CR 185, W of RR tracks & E of Hot Spring County line.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Paron SW 7.5' Quad. Ouachita National Forest. Along FS 132 (Winona Scenic Dr.), approx. 1 air mi. E of Crystal Mountain.

Down's Prairie Natural Area. Two miles west of De Valls Bluff on south side of Hwy 70.

Ozark Highlands. White River Hills/Dissected Springfield Plateau Ecoregion boundary. USGS Beaver 7.5' Quad. Lake Leatherwood Park. West Leatherwood Creek, just W of baseball field. Collected during field work for an Ecological Assessment of Lake Leatherwo

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bryant 7.5' Quad. 3.5 mi. SE of Bauxite. Along S side of unnamed mining access road on ALCOA property (behind gates), 0.3 air mi. N of N boundary of Dunnahoo Preserve (The Nature Conservancy).

Crowley's Ridge. East Jonesboro. TRS: T21N R8E S7

Boston Mountains/Ozark Highlands boundary. Lower Boston Mountains/Springfield Plateau Ecoregion boundary. USGS Fayetteville 7.5' Quad. SW Fayetteville. Kessler Mountain (within Kessler Mountain Reserve). W side of mountain, below Spellbound Trail. Voucher

Mississippi Valley Loess Plains. Bluff Hills Ecoregion. USGS Harrisburg 7.5' Quad. Eastern edge of Crowley's Ridge. 3.4 mi. E of Harrisburg. 180 yds. E (along creek/ditch) of Bay Ln. at point 0.5 mi. S of Hwy 14.

.7 mi. S. of Masonville. TRS: T13S R3W S16

Ouachita Mountains/Arkansas Valley boundary. Fourche Mountains/Arkansas River Floodplain Ecoregion boundary. USGS Cato 7.5' Quad. Camp Robinson. N of E end of Grassy Lake, along dirt spur road to lake (off Loop Rd.).

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Gravette 7.5' Quad. Along Rocky Dell Hollow Road. 0.4 mile east of intersection of Rocky Dell Hollow Road and Rocky Dell Road (County Road 478), near entrance to McClinton Anch

Four miles west and three and eight-tenths miles south of Cotton Plant. TRS: T4N R3W S16

Ozark Highlands. White River Hills/Dissected Springfield Plateau Ecoregion boundary. USGS Beaver 7.5' Quad. Lake Leatherwood Park.80 yds. W of CR 204 (park entrance road) in large power line r-o-w. Collected during field work for an Ecological Assessment

At Hightower, Ark., three miles east of Burdette. TRS: T14N R10E S27

Northwest Jonesboro. TRS: T14N R4E S16

Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Charleston 7.5' Quad. “Haynes Prairie”. 2.5 mi. SSE of Charleston. NE of jct. of Haney Rd. & S. Rattlesnake Road (just E across S. Rattlesnake Rd. from Darby Lake/Fort Chaffee). Property owned by the

Middle Fork Barrens Natural Area. Collected from the east side of southern opening on the west side of Burke Road and before the intersection of the spur road to the northeast.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS McGraw Mountain 7.5' Quad. W end of Ouachita Lake, 5.1 miles NE of the SR-27 and SR-188 jct.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Avant 7.5' Quad. N side of Ouachita Lake, 12 miles W of Hot Springs Village, 1.2 miles S of SR-298, and 100 yds. W of the Harper Grocery Rd. and Rock Springs Rd. jct.

Flanagan Prairie Natural Area.

Two miles west of Myron. Bluffs along Strawberry River. TRS: T18N R7W S33

St. Francis National Forest. Site #3. Along road 97008-A and woods on S side. TRS: T1N R4E S22 NW4NW4

Arkansas Valley. Arkansas Valley Hills Ecoregion. USGS Dover 7.5' Quad. "Smoke Tree Farm". 2.7 mi. N of Dover, E of Illinois Bayou.

Osage Plains. Ca. 9.0 mi S of Sedalia. N of E-W gravel road. TRS: T44N22W R22W S24 WESW4

White River Section of Ozark Natural Division. Ca. 2.0 mi SE of Nottinghill. N side of Barren Fork and W of NE-SW gravel road. Near low water bridge. TRS: T23N R14W S30 NW4NW4