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Boston Mountains. Lower Boston Mountains Ecoregion. USGS Rex 7.5' Quad. Ozark National Forest. South Fork of the Little Red River. TRS: T11N R16W S31 SW4NW4SE4

Arkansas Valley/Boston Mountains boundary. Arkansas Valley Hills/Lower Boston Mountains Ecoregion boundary. USGS Clinton 7.5' Quad. South side of Smith Lane (County Road 682), 0.7 mile east of the junction with Barrens Loop Road, 80 feet east of creek/dra

San Antonio. E side of Colonnade Blvd., 0.1 mile SE of Omni Colonnade Hotel.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Paron 7.5' Quad. Ouachita National Forest. On the north side of Forest Service Road 132, west of North Fork Pinnacle.

Ozark Highlands. Central Plateau Ecoregion. USGS Sitka 7.5' Quad. Rock Creek Natural Area. South of Rock Creek.

South of GRF (Gates Rogers Foundation) property (South Fork Native Plant Preserve). Along west side of Bachelor Road near bedrock-bottom stream. This specimen serves as a voucher for the Flora of the South Fork Native Plant Preserve, conducted by Theo Wit

West Gulf Coastal Plain. USGS Columbus 7.5' Quad. Grandview Prairie; east of CR 35, 2 miles N of Columbus; 14 air miles NW of Hope. TRS: T11S R26W S14 NW4

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). Along an old road west of the Experimental Forest compound.

USGS Wittsburg 7.5' Quad. Crowley's Ridge East Slope; Wittsburg Natural Area; Access from CR 739 at pond; 6 air miles east of Wynne. TRS: T7N R4E S0 SW4

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Avant 7.5' Quad. Ouachita National Forest. S side of Forest Service Road 11 (Gladstone Forest Rd.) about 0.58 rd. mi. E of jct. with Tabor Mountain Rd. and about 12.1 rd. mi. W of jct. with AR Hwy 7. T

West Gulf Coastal Plain. USGS Tull 7.5' Quad. Along Shaw Bridge Road (a.k.a. "Grand Avenue") west of the Saline River.

Arkansas Valley. Little Rock. Two Rivers Park. TRS: T2N R13W S16 NW4NE4

USGS Mammoth Spring 7.5' Quad. Mammoth Spring State Park, just south of Thayer, Missouri. At confluence of small stream and Spring River, just upstream of bridge on Rt. 63. TRS: T21N R5W S8 E2NE4NW4

Ozark Highlands. USGS Rockhouse 7.5' Quad. Bear Hollow Natural Area. Along west side of Bear Hollow Creek at the Wagon Wheel Crossing on the trail. TRS: T18N R26W S1

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 325/249 ~3.1 miles. Located ~350 feet south of the road.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bragg City 7.5' Quad. Poison Springs State Forest Sand Barren & Oak-Pine Forest Preserve. About 0.1 air mi. N of AR Hwy 23 (Tates Bluff Rd.), at a point about 1.6 road mi. E of jct. with AR Hwy 24

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). From intersection of Ashley 228 (south of compound) and Hwy 133 go ~0.7 miles east. Located in woods 125 feet sou

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~2.2 miles. Go left on spur road to the end (~0.5 mile). Go northeast 0.4 miles down slope to Big

Ouachita Mountains. USGS Paron SW 7.5' Quad. Ouachita National Forest; Flatside Wilderness; off FR 94, north facing ridgeline; 13 air miles SW of Perryville. TRS: T3N R18W S34 SE4

Ouachita Mountains. Vicinity of Smith Ford. South of Alum Fork Saline River. Along unnamed creek running parallel to Smith Ford Road. TRS: T2S R16W S15 SE4

40 acre "Campbell Hollow" tract owned by The Bureau of Land Management. Sandstone bluffs above Calf Creek, NW of Witts Springs. TRS: T14N R17W S31 NW4NE4

Ferndale, W of Little Rock. Ferncliff Presbyterian Camp & Conference Center.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From 207 (Casa-Alpin Rd.) go west ~2 miles on CR 37.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From 207 (Casa-Alpin Rd.) go west ~3.4 miles on CR 37.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From 207 (Casa-Alpin Rd.) go west ~3.9 miles on CR 37. Located on west side of road.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 until it almost reaches the South Fourche LaFave River (~4.2 miles). Go right ~0.20 miles and then

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~0.4 miles. Take a right on Y25A and go ~3 miles. Located ~0.3 mi mostly east down slope almost to

Ouachita Mountains. Fourche Mountains Ecoregion. Along Hwy 7 just north of Hollis, Arkansas. Collected 0.25 miles south on Hwy 7 of junction with Hwy 314.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 until it reaches the South Fourche LaFave River at a backcountry camping area (~4.2 miles). Go ~90

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From 207 (Casa-Alpin Rd.) go west ~2.6 miles on CR 37. Bear right and go ~0.2 mi to end of road at the South Fourche LaFave Riv

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 until it reaches the South Fourche LaFave River at a backcountry camping area (~4.2 miles). Go ~40

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~0.4 miles. Take a right on Y25A and go ~3 miles. Located ~150 feet north in the woods.

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). From the corner of CR 228 and CR 714 (~1.3 miles east of Hwy 133)go ~900 ft south on CR 714.

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). From intersection of Ashley 250 (North Boundary Rd.) and Hwy 133, go ~0.2 miles west and ~0.3 miles south on Ashl

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~0.4 miles. Take a right on Y25A and take it to the end (~3.4 miles). Located 700 ft south southea

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~4.5 miles across the dam on the east end of Cove Creek Lake. From parking area on northside of da

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 until it reaches the South Fourche LaFave River at a backcountry camping area (~4.2 miles). Rough

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche Botanical Area. From Hwy 7 go east on FS 210 ~0.4 miles. Take a right on Y25A and take it to the end (~3.4 miles). Located ~700 feet to the sou

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Paron 7.5' Quad. On the south side of Forest Service Road 114 (Lake Winona Road), between Hwy 9 and Lake Winona.

Crater of Diamonds State Park. Along W side of Little Missouri River, N of CR 6 (Roy Rd.), 0.8 mi W of jct. w/ AR 301, ca 3 mi S of Murfreesboro. TRS: T8S R25W S28 SW4

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. 7 miles down Highway 133 south of Crossett; Crossett Experimental Forest; In prairie alongside 234-W along side; Compartment 3.

Mississippi Alluvial Plain. Arkansas/Ouachita River Holocene Meander Belts Ecoregion. USGS Woodson 7.5' Quad. Arkansas River. 1.4 river miles downstream from Wrightsville Access Boat Ramp. W edge of large river island.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Lonsdale NE 7.5' Quad. Middle Fork Barrens Natural Area. From Burk Road east nearly to Saline River bottoms.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bluff City 7.5' Quad. Poison Springs State Forest. 0.7 mi. ENE of Dills Mills (historic), 250 yds. NE of jct. of CR 40 & Hwy 299.

S side of Clarksville. King and Queen's Bluff along the Cumberland River.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. Miller County Sandhills Natural Area (xeric sand barrens on Briley soils with associated seepage wetlands). At east end of Natrual Area.

Mississippi Alluvial Plain. Arkansas/Ouachita River Holocene Meander Belts Ecoregion. USGS Woodson 7.5' Quad. W bank of Arkansas River. 4 mi. E of Woodson. 2.4 river miles upstream from Jefferson County line.

White Cliffs Natural Area, E of AR 317, ca 6 mi. NE of Ashdown. TRS: T11S R29W S36

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Rover 7.5' Quad. Ouachita National Forest. S side of Forest Service Road F79B. Headwaters of Barnhart Creek.

Hattie's Brake. TRS: T14N R3W S25