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Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Barber 7.5' Quad. Fort Chaffee Military Reservation. "Surface Cleared Area" east of Marietta Church Road.

Arkansas Valley. Arkansas River Floodplain Ecoregion. USGS Little Rock 7.5' Quad. Little Rock. Fourche Creek Bottoms. S of I-30, E of Arch St., & N of Fourche Creek.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Bonnerdale 7.5' Quad. Ouachita National Forest. Along Dry Mazarn Creek south of "Canonville Ponds" (a series of seepage-fed beaver pond and channel scar depression wetlands).

Ouachita Mountains. USGS Glenwood 7.5' Quad. Railroad track just west of AR 8/27 on Sweetgum Lane, which runs on the Pike County line. TRS: T4S R24W S33 SE4

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Spring Lake 7.5' Quad. Lorance Creek Natural Area. Along old gated dirt road S of Border Ln., between powerline and Natural Area parking lot.

Boston Mountains. Lower Boston Mountains Ecoregion. USGS Fort Douglas 7.5' Quad. Ozark National Forest. NE bench of Bald Knob. W of Forest Service Rd. 1802 (Meadow Knob Rd.), about 2.2 road mi. SW of jct. with AR Hwy 123, at a point about 4.7 road mi. W o

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 ~0.

1-2 mi W of Portland off County Road 69.

Approximately 0.06 miles northeast of Greene County road 410 and Co. 464.

West Gulf Coastal Plain. Cretaceous Dissected Uplands/Red River Bottomlands Ecoregion boundary. USGS McNab 7.5' Quad. 3.5 mi. NW of McNab. N side of Grassy Lake.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. Hot Springs Village. Along Isabella Way, off of Balearic Rd., about 3.15 mi. NW of AR Hwy 5. TRS: T1S R18W S16 NW4SW4

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Buckner 7.5' Quad. 1.1 mi. E of Buckner, E side of gravel road, 0.1 mi. N of Hwy 82, between Clear Creek & Bayou Dorcheat.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Gravette 7.5' Quad. Triple E Ranch. 1.0 mi. ESE of the jct. of Bird Mountain Rd. & North Big Springs Rd. (CR 33). S of South Horse Creek Rd. & W of railroad tracks.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Pyatt 7.5' Quad. Specimen grown at home of collector from sterile plants collected 4/2/13 from site 100 yards S of Welcome Ridge Rd., 0.5 mile E of Hwy 14, E of N end of Slippe

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Haskell 7.5' Quad. S of Alum Fork Saline River, 1.5 mi. (by river) upstream on the Alum Fork from its confluence with the Middle Fork.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. Hot Springs Village. S side of Jardinero Drive, about 10 yards N of Garland Co. line. TRS: T1S R18W S17 SW4SE4SE4

Ozark Highlands. Springfield Plateau Ecoregion. USGS Bentonville South 7.5' Quad. N of Lake Bentonville, 0.35 mi. NNE of N end of runway at Bentonville Airport. SE of intersection of SW 14th St. & SW I St., N of creek (unnamed tributary of Little Osage Cr

North Big Creek, ca 2 mi ESE of Ash Flat. TRS: T18N R5W S18 SW4NW4

West Gulf Coastal Plain. Floodplains and Low Terraces Ecoregion. USGS Tull 7.5' Quad. Saline River Bottoms. Roadside along the south side of Shaw Bridge Road (a.k.a. "Grand Avenue"). TRS: T3S R15W S2 NE4

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Garfield 7.5' Quad. Devil's Eyebrow Natural Area. N side of the Indian Creek arm of the Beaver Lake. Site purchased for protection in 2012.

Benton

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Rockhouse 7.5' Quad. Madison County Wildlife Management Area. 1.1 mi, WSW of Rockhouse. N of Rockhouse Creek.

Ca 20 mi W of Hot Springs, ca 1 mi W of Charlton Recreation Area, on US Hwy 270.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Bentonville South 7.5' Quad. Searles Prairie Natural Area. At eastern edge of prairie. TRS: T20N R30W S35 SE4SE4SW4

Mississippi Alluvial Plain. St. Francis Lowlands Ecoregion. USGS Hatchie Coon 7.5' Quad. St. Francis Sunken Lands. Near S tip of Hatchie Coon Island. TRS: T12N R6E S15 SE4NW4

West Gulf Coastal Plain. Floodplains and Low Terraces/Pleistocene Fluvial Terraces Ecoregion boundary. USGS Milo 7.5' Quad. Longview Saline Natural Area. Along W edge of barrens just E of farmed fields, about 0.25 mi. W of Ashley Co. Rd. 452, about 0.6 mi

Power line ROW leading S from Sunshine Lane, just W of jct. w/ 3 Pine Church Road, ca 1.2 mi N of jct. w/ LA 26. TRS: T3S R8W S5 NW4SW4

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Norfork SE 7.5' Quad. Ozark National Forest. W side of Stewart Fork, about 0.63 mi. upstream of confluence with Cole Fork. TRS: T16N R12W S4 near Center N2

West Gulf Coastal Plain. USGS Benton 7.5' Quad. On the east side of Bauxite Cutoff Road at the northern (exit) end of loop drive to Bauxite Cemetery.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Norfork SE 7.5' Quad. Ozark National Forest. E bank of Stewart Fork, about 0.35 mi. upstream of confluence with Cole Fork. TRS: T16N R12W S4 NW4NW4SE4

Little Rock. Reservoir Park.

Ouachita Mountains. USGS Mount Ida 7.5' Quad. Big Cedar Creek to Big Cedar Lake on Alexander Road. TRS: T2S R25W S30 SE4

Little Rock. Railroad right-of-way above Arkansas River terrace just S of Rebsamen Park.

Ridge and Valley. Southern Sandstone Ridges Ecoregion. USGS Birmingham South 7.5' Quad. Birmingham. W of Covenant Presbyterian Church & S of Lakeshore Dr.

Mississippi Alluvial Plain. Grand Prairie Ecoregion. USGS Hazen 7.5' Quad. Railroad Prairie Natural Area. W of Hazen grain dryer & E of marsh; N of Hwy 70 & S of old railroad bed.

West Gulf Coastal Plain. Floodplains and Low Terraces/Pleistocene Fluvial Terraces Ecoregion boundary. USGS Milo 7.5' Quad. Longview Saline Natural Area. Along old logging road/ATV trail running north-south about 0.25 mi. W of Ashley Co. Rd. 452. TRS: T16

Ouachita Mountains. Along Weyerhaeuser's 23000 Road. 1 mile east of the Little Alum Fork.

Mississippi Alluvial Plain. Grand Prairie Ecoregion. USGS Carlisle 7.5' Quad. Railroad Prairie Natural Area (unplowed tallgrass prairie in abandoned Rock Island Railroad right-of-way, north of Hwy 70).

Konecny Grove Natural Area. TRS: T1S R5W S7 NW4SW4

South of Land Camp Road, Ross Foundation land.

CULTIVATED at 219 Beechwood St. in Little Rock. Plant from Pine Ridge Gardens (London, AR). Provenance unknown.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Crystal Springs 7.5' Quad. Ouachita National Forest. Above and east of Walnut Creek near the point at which it flows into Lake Ouachita.

West Gulf Coastal Plain. Floodplains and Low Terraces Ecoregion. USGS Marais Saline 7.5' Quad. Felsenthal National Wildlife Refuge. W tip of Goullets Island, accessed from W terminus of Ashley Co. Rd. 294 (Goullets Island Rd.), W off of Ashley Co. Rd. 286

Ouachita Mountains. USGS Pine Ridge 7.5' Quad. Ouachita River at Little Hope Church Road crossing. Northwest side of river and southwest of bridge. TRS: T2S R27W S9 SE4

Along Us 15, 3.4 mi. south of Lee County line.

1.2 miles east of Honey Hill fire tower.

Ozark Highlands. Dissected Springfield Plateau-Elk River Hills Ecoregion. USGS Rogers 7.5' Quad. E Rogers. Lake Atalanta Park. N end of lake, E of dam, above Lake Atalanta Rd.

Boston Mountains. Lower Boston Mountains Ecoregion. USGS Fayetteville 7.5' Quad. N end of Kessler Mountain at "Rock City". N side of Rock City Trail.

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 Internat

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bloomburg 7.5' Quad. Along CR 75, 0.3 mile from State Line Rd. (Texas border).