OKLA
V. Buttram 60 1954-04-17
United States, Oklahoma, Comanche, Mountain Park; NE of Mountain Park
OKLA
K. R. Langdon 253 1958-05-28
United States, Oklahoma, Comanche, Apache; 10 W and 4 S of Apache
OKLA
Robert Stratton 6423 1945-05-27
United States, Oklahoma, Texas, Hooker; 7.8 mi SE of Hooker
OKLA
Umalde T. Waterfall 13089 1957-05-29
United States, Oklahoma, Comanche, Wichita Mountains Wildlife Refuge; E of Jed Johnson Lake
OKLA
Umalde T. Waterfall 11902 1954-05-29
United States, Oklahoma, Roger Mills, Cheyenne; 10 mi N of Cheyenne
OKLA
J. Huckabay 297 1964-05-08
United States, Oklahoma, Creek, Mannford; 2 mi W of Mannford on Hwy 51
OKLA
R. Pearce 776 1963-06-12
United States, Oklahoma, Grady, Tahler; 7 mi E and 4.7 mi N of Tahler
OKLA
Umalde T. Waterfall 1630 1939-08-12
United States, Oklahoma, Custer, Clinton; 3 mi S and 7 W of Clinton
OKLA
R. L. Clifton 3173 1914-06-06
United States, Oklahoma, Ellis, Shattuck; near Shattuck
OKLA
Umalde T. Waterfall 9213 1949-08-09
United States, Oklahoma, Texas, Guymon; mile E of Guymon [verbatim]
OKLA
Robert Stratton 457 1927-08-22
United States, Oklahoma, Cimarron, Boise City; 9 mi N of Boise City
OKLA
Susann Fry s.n. 1938-04-23
United States, Oklahoma, Comanche, Craterville Park; 1 mi SW of Craterville Park
OKLA
M. Hopkins 54 1936-07-11
United States, Oklahoma, McClain, Purcell; bluff above South Canadian River, Purcell
OKLA
E. Elliot & Robert Stratton s.n. 1931-06-05
United States, Oklahoma, Logan, Langston; 2 mi E of Langston
OKLA
C. D. Learn s.n. 1916-07-14
United States, Oklahoma, Payne, Marena
OKLA
E. McAfee 68 1939-06-06
United States, Oklahoma, Payne, Stillwater; 9 mi W of Stillwater
OKLA
M. D. Whitehead 263 1946-05-10
United States, Oklahoma, Oklahoma, Edmond; 8.5 mi SE of Edmond
OKLA
R. Pearce 809 1963-06-18
United States, Oklahoma, Grady, Middleberg; 4 mi NE and 3 mi N of Middleberg
OKLA
Robert Stratton 3928 1935-05-30
United States, Oklahoma, Kay, Kaw City; 4.4 mi W of Kaw City
OKLA
Robert Stratton 3928 1935-05-30
United States, Oklahoma, Kay, Kaw City; 4.4 mi W of Kaw City
OKLA
Umalde T. Waterfall 921 1939-04-30
United States, Oklahoma, Oklahoma, Edmond; 20 mi E of Edmond
OKLA
C. Good 40 1970-06-13
United States, Oklahoma, Pottawatomie, Maud; 1 mi W of Maud
OKLA
C. C. Rigney 50 1941-06-21
United States, Oklahoma, Texas, Optima; 26 mi W of Optima
BRITTRAIN:BRITTRAIN
Oenothera macrocarpa subsp. macrocarpa Nutt.
BRITTRAIN55787 Rebecca K. Swadek 185 2010-04-28
United States, Texas, Tarrant, Fort Worth. Fort Worth Nature Center & Refuge. Walnut Ridge/Hillslope northeast of the Hardwicke Interpretive Center on Caprock/Limestone Ridge Trail. Research site: Fort Worth Nature Center and Refuge
BRITTRAIN:BRITTRAIN
Oenothera macrocarpa subsp. macrocarpa Nutt.
BRITTRAIN55846 Rebecca K. Swadek 585 2011-04-22
United States, Texas, Wise, On CR 4227 north of Rhome, 2.4 miles west of Highway 287, 3 miles north of Highway 114
BRITTRAIN:BRITTRAIN
Oenothera macrocarpa subsp. macrocarpa
BRITTRAIN381350 R. W. Sanders 4277 1997-06-19
United States, Texas, Johnson, Cleburne State Park, about 12 mi (19 km) WSW of Cleburne; incised valley along West Fork of Camp Creek at end of Park Road 21, 6 mi (10 km) SW of US Hw 67. Downstream from Cedar Lake dam and directly above maintenance shed.