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Ozark Highlands. Springfield Plateau Ecoregion. USGS Gentry 7.5' Quad. Gentry. "Gentry Prairie". W of Hwy 12, SW of jct. with W Main St., W of city park & N of small, empty street with cul-de-sac.

West Gulf Coastal Plain. Blackland Prairie Ecoregion. USGS Foreman 7.5' Quad. 3 miles SSW of Foreman, along the east side of an unnamed road, 1.3 miles SE of the main Ash Grove Cement Company plant entrance off SR-108 (entrance at N33.69994, W94.41609).

East Gulf Coastal Plain. Gulf Coast Flatwoods Ecoregion. USGS Orange Beach 7.5' Quad. Orange Beach. E of Orange Beach Sportsplex. N of Twin Bridges Trail, just W of Gulf State Park Boundary, E of small lake, along W edge of fireline near woods road.

West Gulf Coastal Plain. Blackland Prairie Ecoregion. USGS Ben Lomond 7.5' Quad. White Cliffs Natural Area. Open prairie/glades N of powerline right-of-way.

West Gulf Coastal Plain. Blackland Prairie Ecoregion. USGS Washington 7.5' Quad. Webster Prairie, S of lowland fields. E of Grandview Prairie Wildlife Management Area.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS East Camden 7.5' Quad. 2.5 miles E of Locust Bayou, on the NE side of US-278, 0.6 miles ESE of the CR-7 jct.

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 (~4.2 miles) at a backcountry campsite. Found ~150

Holland Bottoms Wildlife Management Area, vicinity of Jacksonville.

North Little Rock. Vicinity of Faulkner Lake, ca 2 mi E of I-440 at Stone Links Golf Course.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Artesian 7.5' Quad. Moro Big Pine Natural Area. N/E side of CR 31, 0.36 mi. NW of "5 Points" (jct. of CR 29, 31, & 34).

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

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Little Rock 7.5' Quad. Little Rock. "Fourche Bottoms". Fourche Creek Bottoms. NNE of the end of W 60th St. & W of I-30. This specimen was collected during field work conducted by Audubon Arkansas t

Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. South Fourche Botanical Area. From 207 (Casa-Alpin Rd.) go west 2.2 miles on CR 37 into the northeast corner of the Botanical Area. Head north 0.4 miles.

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). On the east side of Hwy 133 approximately 70 feet south of intersection with CR 234.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. Miller County Sandhills Natural Area. 4.0 air mi. NNE of Bloomburg, TX. W of Blackman Ferry Rd. (Hwy 237).

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Chidester 7.5' Quad. 100 yds. NW of the Beard St. terminus by Chidester Cemetery, 500 yds. N of the E Roston St. jct.

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). S of Nursery Pond Rd. & E of Lake Conway Nursery Pond.

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). Approximately 150 feet west of Hwy 133 along road in the compound of buildings.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Sonora 7.5' Quad. Near Blue Springs Recreation Area, W of Blue Springs Rd. about 1.1 mi. (by road) S of jct. with U.S. Hwy 412. U.S. Army Corps of Engineers. E of White River/B

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Crossett South 7.5' Quad. Crossett Experimental Forest (USDA Forest Service - Southern Research Station). N of unnamed gravel road, 1.0 mi. E of Hwy 133, 0.5 mi S of CR 250, & 0.25 mi W

Ouachita Mountains/West Gulf Coastal Plain boundary. Fourche Mountains/Tertiary Uplands Ecoregion boundary. USGS Alexander 7.5' Quad. Little Rock. E of David O'Dodd Rd., 0.6 mi. S of jct. with Colonel Glenn Rd., between road & J. A. Fair High School baseb

Ross Foundation land west of Gurdon.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Hempwallace 7.5' Quad. Lake Hamilton (former Ouachita River). 1.1 air mi. S of jct of Hwy 270 & Kirschwood Dr., or 1.7 mi. downstream from Hwy 270 bridge (accessed on foot from Jay Loop Rd.). At

Mississippi Alluvial Plain. Pine City Natural Area.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Ravanna 7.5' Quad. 4 mi. NNE of the Arkansas/Louisiana/Texas border. 0.3 mi. N of CR 80, on E side of right-of-way.

Mississippi Alluvial Plain. Western Lowlands Pleistocene Valley Trains Ecoregion. USGS Swifton East 7.5' Quad. Swifton Sand Ponds Natural Area, S of Jackson Co. Rd. 72 about 0.5 rd. mi. E of US Hwy 67 between Swifton and Alicia. TRS: T14N R1W S16 NW4

Ouachita Mountains. USGS Golden City 7.5' Quad. Ouachita National Forest; FR 20, 15 air miles NE of Waldron. TRS: T4N R28W S14 NW4

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Garfield 7.5' Quad. Beaver Lake. Devil's Eyebrow vicinity. N side of the Indian Creek arm of the lake, 30 feet from lake. Corps of Engineers property.

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

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Rockhouse 7.5' Quad. Ozark Natural Science Center property. W of maintenance shop.

Mississippi Alluvial Plain. St. Francis Lowlands Ecoregion. USGS Dell 7.5' Quad. T14N R9E S2 E2NW4 Big Lake Wildlife Management Area. E shore of Youth Lake, about 1.6 road mi. NE of AR Hwy 18 on Mississippi Co. Rd. 305.

Ridge and Valley. Southern Limestone/Dolomite Valleys & Low Rolling Hills Ecoregion. USGS Birmingham North 7.5' Quad. Birmingham. N side of Rev. Abraham Woods Jr. Blvd. (8th Ave.) between 23rd & 24th St. at base of phone pole.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS War Eagle 7.5' Quad. Hobbs State Park Conservation Area. Van Winkle Spring.

Western section of Glaciated Plains Natural Division. Swope Park of Kansas City. Within bend of Blue River SE of suspension bridge. In northern half of Shirling Sanctuary. TRS: T48N R33W S11 NE4

Arkansas Valley. Arkansas River Floodplain Ecoregion. USGS North Little Rock 7.5' Quad. Little Rock. W side of N Ringo St. at Department of Arkansas Heritage Collections Management Facility.

Railroad Prairie Natural Area. E of Hazen. This area owned and managed by the Arkansas Natural Heritage Commission. TRS: T2N R5W S21 NW4SE4

Irons Fork Creek, N of Lake Ouachita on Ark Hwy 298, ca 6 mi E of Story. Ptilimnium nodosum site.

West side of the Arkansas River, 1/2 mile downstream from the Hwy 60 bridge at Toad Suck Ferry Lock and Dam (Conway). TRS: T5N R15W S13 SE4

Flanagan Prairie Natural Area. Collected from 50 meters west of the parking area along Grand Prairie Road.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Social Hill 7.5' Quad. NW ditch along I-30 W, 4 miles SW of exit 97.

Ouachita Mountains. Middle Fork Barrens Natural Area (a.k.a. Burk Road Glades). On terrace of the Middle Fork Saline River. TRS: T1S R17W S16 W2NE4

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Rockhouse 7.5' Quad. Bear Hollow Natural Area. 0.5 mi. SE of Ozark Natural Science Center. E of Bear Hollow Creek & N of smaller, unnamed tributary, above bluff.

Boston Mountains. Upper Boston Mountains Ecoregion. USGS Weathers 7.5' Quad. Kings River Natural Area. E bank of Kings River south of unnamed tributary.

Cherokee Prairie Natural Area. Along the northwest base of the large knob/hill south of Hwy 60.

Area of Sandhills Gamelands. On e side US Hwy 15/Aberdeen Rd. approx. 8.7 miles n of Laurinburg just s of entrance to active sand mining pit.

Little Rock. War Memorial Park. Between hedgerow and archery range.

0.7 miles south on county road 1455 from U.S. 52.

By GA 112, ca. 3 mi. NE Shingler.

Ca. 2.4 air miles N of Mt. Ida. To N of FS Road 37.

Cherokee Prairie Natural Area. Collected from the north side of the road ditch north of the pull-off which is on the south side of Hwy 60 and is due north of the knob/hill which is on the south side of the hwy.