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South Central Plains. Pleistocene Fluvial Terraces Ecoregion. 7 miles down Highway 133 south of Crossett; Crossett Experimental Forest; Along old road off east boundary road (Ashley 714) .

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Arden 7.5' Quad. W of Ashdown, on the N side of SR-32, about 11 miles W of the US-59 jct.

Boston Mountains. Lower Boston Mountains Ecoregion. USGS Harmony 7.5' Quad. Ozark National Forest. McConnell Ridge. E side of Forest Service Rd. 1427, about 1.3 road mi. N of jct. with Forest Service Rds. 1427A and 1422, and about 5.0 air mi. SW of Ozone.

Boston Mountains. Upper Boston Mountains Ecoregion. USGS Weathers 7.5' Quad. Kings River Falls Natural Area. North side of pool formed at the confluence of Mink Creek and Kings River.

Railroad Prairie Natural Area. 0.5 mile east of the Lonoke County line. Between Hwy 70 and old railroad bed.

Petit Jean State Park. Along the Seven Hollows Trail. TRS: T5N R18W S7 NE4

Mississippi Alluvial Plain. Grand Prairie Ecoregion. Railroad Prairie Natural Area. Across Hwy 70 from Murray's restaurant.

Ca. 4.3 air mi. NW of Trumann, S of CR 652, ca. 0.6 mi. W of Hwy US 63, jus S of Poinsett-Craighead county line. Rice field on David Gairhans farm. Original correspondence and identification request from Ford Baldwain, Weed Consultant, Arkansas.

Oil Trough, Ark. Hwy. 932 at White River. TRS: T12N R4W S29 NE4NW4

Ca. 7.4 air mi. E of Vandervoort, N of Hwy AR 246; E of Cossatot River, Brushy State Park.

USGS Mendon 7.5' Quad. Swan Lake National Wildlife Refuge. South end of Swan Lake, ca. 0.8 mi E of refuge headquarters directly adjacent and north of main E-W entrance rd., or ca 1.4 mi W of Silver Lake. TRS: T55N R21W S1 NW4SE4NW4NW4

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Spring Lake 7.5' Quad. Lorance Creek Natural Area. S of Lorance Creek.

Four miles south of Pocahontas on US Hwy 67. TRS: T18N R1W S22

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Bryant 7.5' Quad. SE of Bryant, 1 mile NE along Hill Farm Rd. from the S Reynolds Rd. jct., W side of road just past Hill Farm Elementary School.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Little Rock 7.5' Quad. Little Rock."Fourche Bottoms". Along Fourche Creek, W of I-30 & N of 60th St. This specimen was collected during field work conducted by Audubon Arkansas to document the flor

Ozark Highlands. Springfield Plateau Ecoregion. USGS Gallatin 7.5' Quad. Chesney Prairie Natural Area. Both N and S of Sager Creek. 0.6 mi. N along farm road from jct. with Bill Young Rd. at a point 0.75 mi. E of jct. with AR Hwy 59 at a point 2 mi. N of

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Fountain Lake 7.5' Quad. Park Ave. Materials land, 4 miles S of Hot Springs Village, 200 yds ESE of SR-5, and about 2 miles NE of the SR-7 jct.

Ozark Highlands. Springfield Plateau Ecoregion. USGS Gaither 7.5' Quad. Baker Prairie Natural Area. Near edge of natural area, just N of school, at edge of mowed lawn area on E side of Goblin Drive and W of drainage. TRS: T18N R20W S5 E2NW4

USGS Wittsburg 7.5' Quad. Crowley's Ridge; Wittsburg Natural Area; from SR 163; 6 air miles E of Wynne. TRS: T7N R4E S0 SW4

Sikeston Ridge (exact site not recorded with specimen). Collector taken to the site by botanists in Missouri to see this species.

USGS Chillicothe 7.5' Quad. Chillicothe - inter. of Trenton St. and RR, ca. 1 mi. ENE of the Chillicothe Post Office. TRS: T58N R23W S31 NW4SE4NW4NW4

S of Sanford, Hwy US 49, N of Covington-Forrest Co. line. TRS: T6N R14W S32 nr. C

Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Danville 7.5' Quad. Central part of Danville, along the E side of Boston St, 100 yds NNW of the SR-10 jct.

Mississippi Alluvial Plain. Arkansas/Ouachita River Holocene Meander Belts Ecoregion. USGS Ladd 7.5' Quad. NE of Pine Bluff, on the NNE side of Frenchtown-Auburn Levee Road, 0.5 miles SSE of the US-63 jct.

Ca. 3.5 air mi. N of Leland, N of L & N Road.

Arkansas Valley. Arkansas River Floodplain Ecoregion. USGS Little Rock 7.5' Quad. Little Rock. Fourche Creek Bottoms. N of I-30, W of railroad tracks, & S of large powerline corridor.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Jersey 7.5' Quad. E side of CR 32, just N of jct. with CR 135.

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Hot Springs South 7.5' Quad. At the A2Z Self Storage Ctr, S side of Hot Springs, S of US-270 bypass, 30 yds N of Buena Vista Rd, and 500 yds E of the Central Avenue jct.

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS Malvern South 7.5' Quad. In front of the Malvern School and Community Health and Wellness Center, S side of Malvern, 40 yds SE of Georgia St and 15 yds NE of SR-9.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Ashdown West 7.5' Quad. N part of Ashdown, NE of US-59, on the N corner of the East Main St. and North Park Ave. jct., just off the SW corner of the abandoned Southern Auto Service gas

South Central Plains. Pleistocene Fluvial Terraces Ecoregion. 7 miles down Highway 133 south of Crossett; Crossett Experimental Forest; Road edge of Ashley County Rd. 234 (North Boundary Rd.).

Ouachita Mountains. Central Mountain Ranges Ecoregion. USGS Big Fork 7.5' Quad. Ouachita National Forest. Top of Brier Mountain.

Mississippi Alluvial Plain. Grand Prairie Ecoregion. On Stuttgart Airport Property. Near the end of bird monitoring transect 5.

0.25 mi W of LA 175, ca 1 mi N of jct. w/ I-49 and ca 1.75 S of Frierson.

Along driveway to 8510 Hood Rd. TRS: T2N R14W S6

Lake Ramsay Savannah WMA, S of Lake Ramsay Subdivision and Riverlake Road, E of oxidation ponds, ca 5.5 air mi NW of Covington.

Eastern Highland Rim. USGS Manchester 7.5' Quad. Arnold Air Force Base. Along "Huckleberry Road".

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Jessieville 7.5' Quad. Hot Springs Village. W of Lake Desoto, right of the cart path and the 1st hole green on Desoto golf course.

3.5 miles north of U.S. Hwy. 167 along Arkansas Highway 5.

Along south edge of Missouri River approx 400-500 meters downstream from Jefferson City Bridge over Missouri River. In soil along shoreline of Missouri River just west of Wears Creek. TRS: T44N R11W S7 NE4NE4

Hwy 141; Big Creek Ditch; 2 miles N of Boydsville; 10 air miles S/SW of Piggott. TRS: T20N R6E S26 NE4

Mississippi Alluvial Plain. St. Francis Lowlands Ecoregion. USGS Hatchie Coon 7.5' Quad. S side St. Francis Sunken Lands Natural Area, along old road/trail that bisects natural area from NE to SW from SW corner of southern wildlife opening in St. Francis

Ozark Highlands. Central Plateau Ecoregion. USGS Sitka 7.5' Quad. Rock Creek Natural Area. Tributary of Rock Creek at Bubbling Spring, about 0.5 air mi. NW of Rock Creek Rd. crossing of Rock Creek, N of Sitka. TRS: T18N R4W S7 N2NW4NE4

West Gulf Coastal Plain. Tertiary Uplands Ecoregion. USGS El Dorado West 7.5' Quad. West El Dorado, 20 yds W of S Bradley Ave, and 200 yds N of the W Hillsboro St (US-82B) jct.

Mississippi Alluvial Plain. Grand Prairie Ecoregion. USGS De Valls Bluff 7.5' Quad. Downs Prairie Natural Area. N of Hwy 70 at Natural Area sign.

Ouachita Mountains. Central Hills, Ridges, and Valleys Ecoregion. USGS Goosepond Mountain 7.5' Quad. Hot Springs Village. W of Balboa Lake, 0.8 miles south of the Balearic Road and Balboa Drive intersection, 80 yards southwest of the Pedera Ln intersectio

Roaring River State Park, ca 2.39 mi. ESE of the intersection of Rts. 112 and F. Chute Ridge.

Little Rock. Rock Creek. Near jct. I-430 & I-630.

West Gulf Coastal Plain. Pleistocene Fluvial Terraces Ecoregion. USGS Hermitage 7.5' Quad. E side of Hwy 15/63, 1.1 mi. S of jct. with Hwy 160 W.

Ouachita Mountains. Ouachita National Forest. Walnut Creek between Charlton Campground and Lake Ouachita.