ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, La Paz, Havasu NWR, low hills south Bill Williams R, 1.8 mi. east AZ 95, 35.2494 -112.19

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, La Paz, Havasu Nat. Wildlife Refuge, on low hills south of Bill Williams R 1/8 mi. east AZ 95, 35.2494 -112.19

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, La Paz, Alamo Dam 15' Quad.; sand dune area south of Cunningham Wash in Butler Valley, 34.0229 -113.705, 475m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, 11.5 miles southwest of Temple Bar, 35.9186 -114.468

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, Arizona Strip District; Burro Study area (ca. Gypsum Hill), 36.3179 -113.995

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, 6 miles west of Temple Bar; Lake Mead, 36.0366 -114.429

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, Route 93 near Hoover Dam, 36.0161 -114.737

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, US Highway 39; 1.7 miles south of Hoover Dam, 35.9915 -114.737

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, La Paz, Havasu National Wildlife Refuge; on low hills south of Bill Williams River; 1.8 miles east of AZ Highway 95, 34.2819 -114.054, 140m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, La Paz, Havasu National Wildlife Refuge; on low hills south of Bill Williams river; 1.8 miles east of AZ Highway 95, 34.2819 -114.054, 140m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, Littlefield Quad.; 12km NNE of Littlefield, 36.991 -113.898, 247m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave County, Mesquite Quad.; southeast of Mesquite; just south of the Virgin River, 36.8 -114.04, 600m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, Arizona, Mohave, Near Highway 95, North of Bill Williams River, 34.3952 -114.175, 200 - 400m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, NEVADA, Nye County, Pahrump Valley, along Homestead Road, 13km SSE of Pahrump, 75km west of central Las Vegas, 30km SW of Charleston Peak, 36.1029 -115.9579

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, California, San Bernardino, north end of Big Marias, 158m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

United States, California, San Bernardino, E. end of Bristol Mtns, 4.1 mi. N. of US Hwy. 66, 6 airline mi. NE of Amboy., 38.3737 -120.5861, 549m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

United States, Nevada, Nye Co., Northwest of Tonopah along road to Gabbs in Big Smoky Valley ca. 8.82 km west-southwest of the summit (6601) of Rhyolite Peak, 38.1536111 -117.3327778, 1554 - 1554m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

United States, Utah, Washington Co., Ivins Reservoir, on the west shore of the reservoir, 37.181347 -113.717783

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

USA, California, San Bernardino, Calif. 127, 4 miles south of Amagrosa River crossing (south of Death Valley)

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

United States, California, Inyo Co., 16 mi S of Shoshone, 472m

ASU:Plants

Mentzelia obscura H.J. Thompson & Roberts

United States, California, Inyo Co., Death Valley, Ubehebe Crater

BRY:V

Mentzelia obscura H.J.Thomps. & J.E.Roberts

U.S.A., California, San Bernardino, Mojave Desert/ N foot of San Bernardino Mtns.: Blackhawk Slide, S side of Old Woman Springs Rd. (Hwy 247), ca. 3 mi W of the turnoff to Partin Bros. Mine (Terrace Sprs.) (Cougar Buttes 7.5Õ)., 34.41972 -116.78388, 960m

BRY:V

Mentzelia obscura H.J.Thomps. & J.E.Roberts

U.S.A., California, San Bernardino, Eastern Mojave Desert: Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar (Ivanpah Lake 7.5Õ)., 35.58672 -115.46722, 915 - 930m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Conspicuous broad deep wash crossing under Interstate 15, appx. 6.3 mi. NE of Manix Road, 5.5 mi. SW of Afton overcrossing. About 0.2 mi. S of freeway., 35.0223 -116.4896, 549m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Death Valley National Monument, Funeral Mountains. Echo Canyon., 36.4934444 -116.7391944, 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, On jeep track into the Last Chance Mts, departing from Eureka Dune Rd. 3.4 mi S of its junction with Waucoba-Death Valley Rd., 37.1825 -117.5808333, 1037m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar.; Ivanpah Lake 7.5’ Q., 35.58672 -115.46722, 915 - 930m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Shadow Valley: 2 1/2 miles N of Interstate 15 on Excelsior Mine Rd, 9 miles W of Mt Pass [See attached map to specimen for specific location]., 35.47147 -115.696934, 1098m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Ca. 14 (air) miles ENE of Cima, 1.5 (road) miles S of Ivanpah crossing on Ivanpah Road, 35.33885 -115.289172, 1113m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, E Mojave Desert, N. slope New York Mountains: c. 0.5 mile N of Vanderbilt., 35.333409 -115.259021, 1220m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 4.5 miles N, 9.75 miles W of Kelso, 35.076815 -115.825808, 762m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 9.6 miles NE of Baker., 671m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Road to Greenwater, E slope of Funeral Range., 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Pisgah, south of the Cady Mountains, around Pisgah electrical substation.; Hector 7.5’ Q., 34.78278 -116.38444, 633m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 7 mi. N, 4.5 mi. W of Kelso., 35.113087 -115.733283, 1220m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Riverside, Joshua Tree National Monument, Fried Liver Wash, 33.911 -115.8688

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, BLMWHIPPLE MOUNTAINS: Between summit ridge and War Eagle mine. Summit and N-facing slope of ridge near summit., 34.3272222 -114.4147222, 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Baker, East of Mohave., 305m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Kern, [Unspecified]

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 3/4 mile W of Kingston Wash confluence, 35.639279 -115.873924, 823m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Minneola Road, 1.5 miles south from the junction of Hwy 66, ca. 3 miles south of the Calico Archaeological Site., 640m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 29 Palms Marine Corps Combat Center, Bullion Artillery Range, Northern Bullion Mtns, 10 air km N of boundary of base and ca. 10 air km NE of Cleghorn Pass., 34.3866667 -115.8483333, 1600m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Kingston Range. 3 miles W of Porcupine Canyon., 35.769824 -116.066949, 732m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Death Valley National Monument. Scotty's Canyon, 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Eastern Mojave Desert; US-95, 8.5mi south of I-40., 34.7016667 -114.6133333, 351m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Central Mojave Desert, 1 mile E of Afton road on a telephone cable road paralleling I10 to the North., 488m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mojave Desert, Soda Mountains. Ca. 10 air miles west of Baker., 35.1612602 -116.1731207, 405m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mojave Desert, north of Barstow, Desert Hills, 750m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 7 miles E. of Amboy., 34.5605556 -115.6208333

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, under powerlines at south foot of Cady Mountains, c. 3.25 miles NE of I-40 near Pisgah Siding; Sleeping Beauty 7.5' Q., 34.8175 -116.3441667, 770m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Ca. 5.5 miles E of Cima, in Cottonwood Canyon near Cottonwood Spring, in SW New York Mountains., 35.234542 -115.403317, 1616m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 7 miles E. of Amboy., 34.5605556 -115.6208333

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Ivanpah Valley, alluvial slopes below Clark Mountain, 2.4 km west of Primm Valley Golf Club, S of metamorphic hill, 4 km W of I-15.; Ivanpah Lake 7.5’ Q., 35.55469 -115.45844, 887m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, BLMEagle Mountain: northeast side. Foot of bajada between Eagle Mountain and playa. South-southeast of Death Valley Junction, east of Highway 127 and powerline. Amargosa River drainage.; Eagle Mountain 7.5', 36.23553 -116.35552, 616m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Cadiz Valley, c. 2.5 miles (air) SW of Chambless.; Cadiz 7.5’ Q., 34.54128 -115.58093, 212m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Kern, BLMThe Owens Peak Eastern Watershed: Indian Wells Canyon.; Owens Peak 7.5' USGS Quad, 35.6728 -117.8956, 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Bajada west of Coyote Dry Lake, within ca. 2 miles of Coyote Well along unnamed dirt road.; Coyote Lake, 35.025 -116.75, 537m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Riverside, Vicinity of Corn Springs, Chuckwalla Mtns, Colorado Desert., 396m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Baker, along SW base of rock hill, 280m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Los Angeles, Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31., 34.25989 -118.18365, 975m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Southeast end of the Bristol Mountains; West off Kelbaker Road, followed a dirt road going to an antenna station on top of the mountain, stopped at base of mountain where the road was gated. Area near a place called ‘Windy point.’General collecting in canyon bottom and slope to the west of gate. [From] Near 34.61232N, 115.68189W to 34.60943N, 115.68508W., 34.610962 -115.683993, 552 - 611m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, Nevada, Nye, Amargosa drainage basin. Along rd to Indian Springs, NW Beatty, below SE Bullfrog Hills., 1036m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Los Angeles, Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain., 34.26815 -118.18523, 1168m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Riverside, Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south., 33.625483 -115.325259, 488m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 3/4 mile W of Kingston Wash confluence, 35.639279 -115.873924, 823m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, NPSMojave National Preserve; sandy ramps on north side of limestone outcrops, approx 3 mi. SE of Baker (at I-15), 0.8 mi. SW of Kelbaker Rd.; Soda Lake North 7.5', 35.2453 -116.0359333, 315m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, BLMClipper Mountains, south side, just west of Bonanza Spring; road NS 206 ca. 3 miles northwest of Highway 66. South of Interstate 40, northwest of Danby, west-southwest of Essex.; Castle Dome 7.5', 34.68449 -115.40759, 642m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Kern, [Unspecified]

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, NPSAlong road to Saratoga Springs, 0.4 mi. north of Saratoga Springs Rd, 6.0 mi. west of Hwy 127.; Old Ibex Pass 7.5' Quad., 35.6530167 -116.3937833, 58m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Near falls, Darwin wash, Argus Mtns.

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Death Valley Nat. Mon. Jubilee Pass on St 178., 35.9102778 -116.5791667, 402m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, southern Pahrump Valley, 1.4 km SW of NV border, 7.75 km SE (124°) of Calvada Springs (Old Spanish Trail Hwy at Rose Ave.), off N-S dirt road; Stump Spring 7.5’ Q., 35.9325 -115.82806, 854 - 867m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Riverside, Colorado Desert: 5 mi. E of Mecca on Blythe rd., 33.576 -115.9955, 30m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Saline Range: Eureka Valley drainage; head of Deep Canyon., 37 -117.6583333, 1463m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Granite Mts: lower end of Bull Canyon, NNW side of Granite Mts, S of Kelso Dunes, 34.869163 -115.747679, 762m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Panamint Valley, S end of Valley bottom along hwy, 7 miles WSW of Ballarat., 610m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Along Hwy 127 about 39 miles N of Baker, 3.2 miles S of Inyo county line in Ibex Mtns., 457m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mountain Springs near Needles, 610m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, 4.3 miles E of Salsbury Pass, 9 miles W of Shoshone., 35.6333333 -116.3833333, 671m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 1 mile east of Midway on the Barstow-Baker Highway [Hwy 15]. E. Mojave Desert., 35.0391667 -116.4513889, 549m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, Mesquite Springs, Death Valley National Monument.

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 2.8 miles W of Cronese Valley along Hwy 466-91, 19 miles SW of Baker., 35.1 -116.3333333, 427m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Granite Mts: lower end of Bull Canyon, NNW side of Granite Mts, S of Kelso Dunes, 34.869163 -115.747679, 762m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 3 miles E oif Ridgecrest, NW San Bernardino County., 35.6166667 -117.6166667, 732m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, BLMWhipple Mts: West side, wide wash along old Needles-Parker road south of D&W mine., 34.2638333 -114.4717, 435m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, BLMJohnson Valley: open bajada across Sec. 34, appx. 1.5 mi. N of Highway 247, 0.5 mi. E of Lafon Road., 34.3928333 -116.6503833, 915m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, North slope Sheep Hole Mts, San Bernardino County, 34.266371 -115.708007

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Providence Mts, 1300m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Inyo, W base of Panamint Range, 7 miles E of Panamin Springs along Hwy 190, Inyo County. 36Y’22N, 117Y’20’W, 36.3666667 -117.3333333

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Along the Coyote Lake road, 3.9 miles N of the Yermo cutoff., 35.037346 -116.892728

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mojave Desert, Soda Mountain, 10 air miles west of Baker., 35.1342433 -116.1613946, 365m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Granite Mountains; Coyote Springs (NE corner of range)., 34.850195 -115.673244, 976m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mojave Desert, 5 miles E of Baker., 35.2330556 -115.9966667

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Old Dad Mountain-Kelso Mountains Area: 8 mi N, 13.5 mi W of Kelso., 35.128644 -115.894763, 732m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, 6.5 miles NNW of Horse Thief Springs., 35.852899 -115.928657, 1189m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Kern, The Owens Peak Eastern Watershed: Bajada of Short Canyon. Along BLM road S138.; Owens Peak 7.5' Quad, 35.7158 -117.874, 854 - 976m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Clark Mountain Range, 1 mile E of Mesquite Pass, 12 3/4 miles NNW of Mountain Pass., 35.633217 -115.620104, 1006m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Oro Grande area. Victorville Industrial Minerals, proposed new mining / operations area east of ‘Klondike Mine.’; Victorville, 34.5923611 -117.2941944, 854 - 976m

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, San Bernardino, Mojave Desert, 5 miles E of Baker., 35.2330556 -115.9966667

CalBG:RSA

Mentzelia obscura H.J. Thompson & Joyce Roberts

United States, California, Los Angeles, San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site.; Mescal Creek, 34.433257 -117.703511, 1463m