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Mississippi Alluvial Plain. Grand Prairie Ecoregion. Railroad Prairie Natural Area, just west of Hazen. Between herbaceous wetland and the Hazen grain elevator.

Ouachita Mountains. Central Hills, Ridges, and Valleys/Central Mountain Ranges Ecoregion boundary. USGS Crystal Springs 7.5' Quad. Ouachita National Forest. "Brady Mountain Glades" (at the intersection of Brady Mountain Road and Tanner Trail).

On Bayou Meta Game Mgt. area east of Wabbaseka, Ark. via Long Bell Road.

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Ferndale 7.5' Quad. 2.3 mi. WNW of Pinnacle (community). S side of western-most house at Tom Frothingham's farm (New South Nursery), just E of Pleasant Grove Cemetery (and end of Pleasant Grove Cemeter

Elk River Section of Ozark Natural Division. Ca. 3.0 mi E of Havenhurst. Huckleberry Ridge State Forest. Just E of Green Hollow. TRS: T22N R31W S31 SE4SE4

Western section of the Glaciated Plains Natural Division. Ca 1/3 mi E of Courtney. Near Atchison, Topeka, and Santa Fe RR. TRS: T50N R32W S13 NE4

Lower Ozark Natural Division. Ca. 12.0 mi SE of Greenville. Lake Wappapello State Wildlife Management Area. SW side of Hwy D just N of parking area for "Hatties Ford" access. TRS: T27N R7E S3 NE4S2

Osage Plains. Ca. 7.0 mi S of Sedalia. W of N-S gravel rd. and cultivated field. TRS: T44N R21W S17 NE4

Lowlands Section of Mississippi Lowlands Natural Division. Ca. 8.0 mi. SW of Poplar Bluff. W. side of Hwy 67, 4.2 mi. N. of intersection with Hwy MM. 1.3 mi. N. of intersection with County Hwy 340. TRS: T23N R5E S9 SE4SE4

Arkansas Valley. Scattered High Ridges and Mountains Ecoregion. USGS Blue Mountain 7.5' Quad. Mount Magazine State Park. North rim, just above bluffline, W of Brown Springs & N of mowed trail connecting Brown Springs Rec Area with Dripping Springs area.

Ozark Highlands. Sylamore District, Ozark N.F. Environs of Gunner Pool Campground.

Missouri River section of Ozark Border Natural Division. Ca. 5.5 mi NNW of Cedar City. E of N-S gravel rd. TRS: T45N R11W S8 NE4

Boston Mountains. Lower Boston Mountains Ecoregion. USGS Rex 7.5' Quad. Scott Henderson Gulf Mountain Wildlife Management Area. Black Mountain. Along wheelchair access hunting trail/old woods road, 0.6 mi. S of Andrews Rd. & S of sinkhole pond, 0.5 mi. SS

Mississippi Alluvial Plain. Western Lowlands Holocene Meander Belts Ecoregion. USGS De Valls Bluff NE 7.5' Quad. Dagmar Wildlife Management Area. Robe Bayou. 2.1 mi. upstream from I-40 bridge.

Missouri River section of Ozark Border Natural Division. Ca 4.0 mi NW of Ashland. Three Creeks State Forest and adjacent private land. Along Bass Creek. TRS: T47N R12W S28 NW4

West Gulf Coastal Plain. Floodplains and Low Terraces Ecoregion. USGS Arkadelphia 7.5' Quad. 1.5 mi. E of Arkadelphia. W side of Saline Bayou, N of Hwy 7/8 jct.

Boat Mountain. Both sides of gravel/dirt road. TRS: T21N R25W S20 E2

2 miles west-southwest of Aquadale, along Co. Rt. 1953.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Centerton 7.5' Quad. Centerton Fish Hatchery (Arkansas Game & Fish Commission). S side of W. Fish Hatchery Rd. (CR 48) W of jct. with S. Main St. (CR 17A).

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. Cemetery N of Macedonia Baptist Church. W of Blackman Ferry Rd. (Hwy 237), 0.8 mi. N of jct. with Hwy 160.

West Gulf Coastal Plain. Tertiary Uplands/Floodplains & Low Terraces Ecoregion boundary. USGS Tull 7.5' Quad. N side of Shaw Bridge Rd. (aka "Grand Ave.", aka Hwy 190) immediately W of unnamed, gated woods road, 1.0 mi. (by road) W of jct. of Shaw Bridge

Mississippi Valley Loess Plains. Bluff Hills Ecoregion. USGS Wittsburg 7.5' Quad. Village Creek State Park. NW of Lake Dunn. Just N/W of creek. Just outside area destroyed by construction of golf course in 2006 or 2007.

Ozark Highlands. Springfield Plateau/Dissected Springfield Plateau-Elk River Hills Ecoregion boundary. USGS Sonora 7.5' Quad. Blue Springs Recreation Area (U.S. Army Corps of Engineers - Beaver Lake). W of Blue Springs Rd. (CR 70), 1.0 mi. (by road) S of

Mississippi Valley Loess Plains. Bluff Hills Ecoregion. USGS Wittsburg 7.5' Quad. Village Creek State Park. 0.4 mi. NW of Lake Dunn. NW of Lake Dunn & N of cabins. Just outside area destroyed by construction of golf course in 2006 or 2007.

Boston Mountains/Ozark Highlands boundary. Lower Boston Mountains/Springfield Plateau Ecoregion boundary. USGS Harriet 7.5' Quad. 1.0 mi. E of downtown Marshall. Devil's Backbone.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Gaither 7.5' Quad. Baker Prairie Natural Area. E side of Goblin Dr. & N of Harrison Middle School. Along N-flowing drainage.

Little Rock. Big Dam Bridge on the Arkansas River.

Above Coosa River, ca. 3 mi. s. of Rome.

Ouachita Mountains. USGS Buck Knob 7.5' Quad. Top of Mast Mountain. TRS: T1S R27W S19 NE4

Ouachita Mountains. USGS Paron SW 7.5' Quad. Ouachita National Forest. Along Forest Road #114 at stream crossing. West of Lake Winona.

Montezuma Bluffs on E side of Flint River, W of GA 49, 2.25 mi N of Montezuma.

Arkansas Valley. Arkansas Valley Hills Ecoregion. USGS Dover 7.5' Quad. S ditch along SR-164, 3.4 miles WNW of the SR-124 jct at Moreland.

Ross Foundation property, east of Cooper Ranch Road. TRS: T4S R19W S29 SW4SW4

Little Rock. Interstate Park. Along Fourche Creek. Noted from Benny Craig Park (Section 19) to Interstate Park (Section 16) during Fourche Creek canoe expedition with Audubon Arkansas. TRS: T1N R12W S16

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Hot Springs South 7.5' Quad. Hot Springs. Planter at NW corner of Wal-Mart parking lot E of Central Ave. (Hwy 7) & S of Hwy 270 Bypass. Where driveway to store enters parking lot.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Hot Springs South 7.5' Quad. Hot Springs. Planter islands in parking lot of Wal-Mart, E of Central Ave. (Hwy 7) & S of Hwy 270 Bypass.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Benton 7.5' Quad. East bank of the North Fork of the Saline River, at Highway 5 access.

Missouri River Section of Ozark Border Natural Division. Ca. 2.0 mi SW of Folk. Painted Rock State Forest. Forested ravines E of lake near the Osage River. TRS: T42N R11W S11 SW4

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Zinc 7.5' Quad. W side of Lead Hill Rd., 100 yards N of Abby Mine Pl., on top of large sandtone outcrop (obvious).

Ozark Border Natural Division. Ca. 4.0 mi NW of Ashland. Three Creeks State Forest. Just S of Turkey Creek. TRS: T47N R12W S29 NE4

Osage Plains. Ca. 9.0 mi S of Sedalia. N of E-W gravel rd. TRS: T44N R22W S24 WESW4

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Mountain Pine 7.5' Quad. W side of Hot Springs. 200 yds. S on Thornton Ferry Rd from Mountain Pine Rd. jct., then 100 yds. W to NW corner of Harps Grocery lot, then 100 yds. farther W on rock roa

Ouachita Mountains/Arkansas Valley boundary. Fourche Mountains/Arkansas Valley Plains Ecoregion boundary. USGS Mayflower 7.5' Quad. Camp Robinson Special Use Area (Arkansas Game & Fish Commission). E of Green Lake Rd. (W arm of loop) approx. 0.4 mi. S of

Jefferson City. In lawn of T.E. Smith home at 1704 W Main Street. TRS: T44N R11W S1 NE4SW4

West Gulf Coastal Plain. Pleistocene Fluvial Terraces/Tertiary Uplands Ecoregion boundary. USGS Traskwood 7.5' Quad. Traskwood Seep. E of unnamed timber access road on county line. N of railroad tracks. Formerly a designated botanical area with Internatio

Mississippi Alluvial Plain. St. Francis Lowlands Ecoregion. USGS Hatchie Coon 7.5' Quad. St. Francis Sunken Lands Wildlife Management Area. Hatchie Coon Island. Near terminus of Craighead Co. Rd. 876, about 7.35 rd. mi. W of jct. with AR Hwy 135 at a poin

1.2 mi. south of SC 652 on Co. Rt. S27-58.

Red Fleet State Park, along Dinosaur Trackway Trail that leads to dinosaur tracks at Red Fleet Reservoir.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Little Rock 7.5' Quad. Little Rock. Gillam Park. NNE of water towers under powerline.

On US 21, west of Harbor River.