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Cincinnati. Ault Park.

Buck Island. Northern tip of island, accessed from the Helena River Park River Walk boat ramp outside of Helena-West Helena, AR. River mile: 664-668.

Lakeport Towhead. Center-west portion of island, accessed from the Barge Port Carlton boat ramp on the AR side, north of the Greenville bridge. River mile: 525-529.

Arkansas Valley. Arkansas Valley Hills Ecoregion. USGS Hunt 7.5' Quad. 20 yds. NNE of I-40, 3.4 miles W of the AR-164 jct.

Boston Mountains. Upper Boston Mountains Ecoregion. USGS Cass 7.5' Quad. W side of AR-23, 4.8 miles S of the W AR-16 jct.

Boston Mountains. Lower Boston Mountains Ecoregion. USGS Cass 7.5' Quad. NE side of CR-315, 100 yds. NW of the AR-215 jct.

Arkansas Valley. Arkansas Valley Hills/Arkansas Valley Plains Ecoregion boundary. USGS Russellville West 7.5' Quad. 20 yds. NE of I-40, 4.9 miles WNW of the AR-7 jct.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Mountain Pine 7.5' Quad. 0.7 mile E of Mountain Pine, 90 yds. SE of the AR-227 / Blakely Dam Rd. jct.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Mountain Pine 7.5' Quad. 0.4 mile E of Mountain Pine, 0.3 mile SW of the Blakely Mountain Dam Rd. / AR-227 jct.

Arkansas Valley. Scattered High Ridges and Mountains Ecoregion. USGS Blue Mountain 7.5' Quad. Mt. Magazine, along the N side of Dripping Springs Hiking Trail, 0.85 trail miles WSW of the trailhead in the Brown Springs Rec. Area.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. E side of Miller CR-154, 2.1 miles SSW of the AR-237 jct.

Lakeport Towhead. Southwest portion of island, accessed from the FLW launch boat ramp in Lake Ferguson (which connects to the Mississippi River) outside of Greenville, MS. River mile: 525-529.

Choctaw Bar Island. Center-west portion of island, accessed from South River Road at Freddie Black Choctaw Island WMA boat ramp outside of Arkansas City, Arkansas. River mile: 559-563.

Lakeport Towhead. Southwest portion of island, accessed from the Barge Port Carlton boat ramp on the AR side, north of the Greenville bridge. River mile: 525-529.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. 1.75 mile ENE of Blocher. Along unnamed tributary of the Middle Fork Saline River on Weyerhaeuser timber company land.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Polk Creek Mountain 7.5' Quad. 4.5 miles WSW of Black Springs, 85 yds. SW of Forest Service Rd. 73, 0.3 mile SE of the SR-8 jct.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Polk Creek Mountain 7.5' Quad. 4.5 miles WSW of Black Springs, 25 yds. S of Forest Service Rd. 73, 0.4 mile SE of the SR-8 jct.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Buck Knob 7.5' Quad. 20 yds. SW of US-270, 7.7 miles E of the US-71 jct.

T15S R11W S28 2 mi NE of Hilo, 1.5 mi N of US Hwy 63.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. NE of Hot Springs Village, along the S side of a logging road off Malone Trail, 0.5 mile SE of the Malone Trail / Mt. Ida Rd. jct.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. NE of Hot Springs Village, 15 yds. W of Mt. Ida Rd., 0.4 mile NE of the Danville Rd. / Mt. Ida Rd. jct.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. NE of Hot Springs Village, 25 yds. NE of Sulphur Springs Rd. and 35 yds. SE of the Danville Rd. / Mt. Ida Rd. jct.

South Fork Native Plant Preserve. East-west road through interior of GRF (Gates Rogers Foundation) property. This specimen serves as a voucher for the Flora of the South Fork Native Plant Preserve, conducted by Theo Witsell and Brent Baker for the Gates R

Mississippi Valley Loess Plains. Bluff Hills Ecoregion. USGS Harrisburg 7.5' Quad. Crowleys Ridge. 3.6 mi. ENE of Harrisburg. 0.45 mi. SE of jct. of Hwy 163 & Cromwell Cutoff Ln. E of ponds.

Ozark Highlands. Central Plateau Ecoregion. USGS Sitka 7.5' Quad. Rock Creek Natural Area. S bank of Rock Creek, about 50 m downstream of Rock Creek Rd. crossing. About 3.3 mi. on Rock Creek Rd. N of jct. with AR Hwy 58 in Sitka. TRS: T18N R4W S7 SE4SE4NE

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Spring Lake 7.5' Quad. Lorance Creek Natural Area. Large transmission powerline R-O-W SW of jct. of Border Ln. & Lorance Heights Dr. 15 yds SW of large powerline support & 60 yds NE of dam on pond.

Ouachita Mountains. T2N R24W S9 C Ouachita National Forest: Low water bridge over Miller Ranch Creek on FR 519 (CR 2); 1/4 mile south of intersection with FR 604; 32 air miles east of Waldron.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. Hot Springs Village. S of Lake Cortez, E side of Sabiote Way, 0.3 miles NW of the Arjona Way intersection.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Sonora 7.5' Quad. Springdale, South of Don Tyson Pkwy, 0.25 miles east of intersection with Butterfield Coach Rd.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Little Rock 7.5' Quad. Little Rock. Gillam Park. 0.25 mi. NW of water towers, just NE of pavilion.

2 miles east of Protho Junction. Growing in interchange connecting I-440 and state highway 70.

Halfway Swamp Creek on S.C. 33, southwest of Lone Star.

Sandy Hollow WMA, south tract, S of LA 10. Along East Fork Big Creek E of Jackson Rd., ca 1 mi SW of Wilmer. TRS: T3S R8E S43 (section irregular shaped)

Ouachita Mountains. Central Hills, Ridges, and Valleys/Central Mountain Ranges Ecoregion boundary. USGS Crystal Springs 7.5' Quad. Ouachita National Forest. On a peninsula of Lake Ouachita. Site accessed by boat.

Southwest of city of Hampton on Co. Rt. 25-517, 0.3 mi. west of US 278.

West Gulf Coastal Plain. USGS Benton 7.5' Quad. Benton. Tyndall Park. TRS: T2S R15W S11 SE4

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Haskell 7.5' Quad. S side of Hwy 5, 0.9 mile W of Alum Fork Saline River.

Slay Bend, Slay Bend on Red River, ca 8 km upstream from AR 160 bridge, ca 8.8 air km northeast of Doddridge.

Harriman. 0.26 mi E of Hwy 27 bridge over Emory River, S side of River along S side of Riggs Chapel Rd.

Arkansas Valley. Arkansas Valley Hills Ecoregion. USGS Pangburn 7.5' Quad. Big Creek Natural Area. Island within Big Creek, about 3.0 air mi. ESE of Wilburn. TRS: T10N R8W S15 N2SE4

Arkansas Valley. Scattered High Ridges and Mountains Ecoregion. USGS Blue Mountain 7.5' Quad. North rim of Mt. Magazine. Dripping Springs.

Big Creek Natural Area. Main tract. Big Creek. Multi-Agency Wetlands Planning Team plot. TRS: T10N R8W

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. Hot Springs Village. SW of Lake Balboa, N side of Cardenal Way, 0.3 miles W of the Balearic Rd intersection.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Fayetteville 7.5' Quad. Fayetteville. University of Arkansas Farm. N of upper Hamestring Creek, approx. 200 ft. W of N. Gifford Ave. (a gravel farm road).

West Gulf Coastal Plain. Cretaceous Dissected Uplands Ecoregion. USGS McNab 7.5' Quad. Nacatoch Ravines Natural Area - Oak Ravines Tract. 4.3 miles SE of Saratoga.

West Gulf Coastal Plain. Red River Bottomlands Ecoregion. USGS Red Bluff 7.5' Quad. East side of Grassy Lake (large, natural, cypress backswamp with open water areas, within the Little River bottoms).

Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Burnville 7.5' Quad. Fort Chaffee. Devil's Backbone Ridge. 6 mi. E of Greenwood. 0.1 mi. SW of Coleman Cemetery.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Gallatin 7.5' Quad. Stump Prairie, along E side of AR Hwy 59, S of Bill Yound Rd. and about 0.6 road mi. N of jct. with AR Hwy 43, E of Siloam Springs. TRS: T18N R33W S27 W2SW4SW4

Ouachita Mountains. Athens Plateau Ecoregion. USGS De Roche 7.5' Quad. E side of Hwy 128 at jct. with Land Camp Rd.

Mississippi Alluvial Plain. On State Hwy 62, 3.1 mi northeast of Clay-Randolph County lines. TRS: T20N R3E S15 NE4