Search Results — 476 specimen records retrieved (457 records with coordinates)
Results for search: County=SAN BERNARDINO; Scientific name=Ambrosia dumosa (including nomenclatural synonyms); Source=All;   More information: Jepson Online Interchange

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC126770  Ambrosia dumosa Sarah J. De Groot; Tasha LaDoux 2003-5-20 2924 San Bernardino Whipple Mountains: Hills between War Eagle Mine and summit ridge 519 Comment
  CAS-BOT-BC126771  Ambrosia dumosa Sarah J. De Groot; Tasha LaDoux 2003-5-21 2989 San Bernardino Whipple Mountains: West side of range, along old Needles-Parker road 476 Comment
  CAS-BOT-BC133202  Ambrosia dumosa A. C. Sanders; A. Howald; Florence Caplow; et al 2010-5-4 38264 San Bernardino Eastern Mojave Desert: Ivanpah Valley, below Clark Mountain, 2.5 km WNW of Primm Valley Golf Club, 4.4 km W of I-15 883 Comment
  CAS-BOT-BC167162  Ambrosia dumosa Sarah J. DeGroot; Angela Gatto 2003-4-21 2588 San Bernardino Whipple Mountains: Bowman's Wash SE of Copper Basin near Colorado River Indian Reservation boundary 354 Comment
  CAS-BOT-BC167219  Ambrosia dumosa Sarah J. DeGroot; Angela Gatto 2003-4-20 2488 San Bernardino Whipple Mountains: Bluff northwest of Monument Peak, south side of Copper Basin. Saddle near summit 720 Comment
  CAS-BOT-BC16997  Ambrosia dumosa Donald W. Kyhos 1964-4-16 64 -32 San Bernardino Near road 3.5 miles south of headquarters of Joshua Tree National Monument in Twentynine Palms. Comment
  CAS-BOT-BC16998  Ambrosia dumosa Donald W. Kyhos 1964-4-17 64 -40 San Bernardino 1.1 miles south of the town of Joshua Tree, near the road to Joshua Tree National Monument. Comment
  CAS-BOT-BC16999  Ambrosia dumosa Donald W. Kyhos 1964-4-18 64 -88 San Bernardino 4.1 miles west of Twentynine Palms, near Twentynine Palms Highway. Comment
  CAS-BOT-BC17000  Ambrosia dumosa Donald W. Kyhos 1964-4-18 64 -89 San Bernardino 2.0 miles south of Twentynine Palms Highway near road to Joshua Tree National Monument. Comment
  CAS-BOT-BC172857  Ambrosia dumosa E. J. Lawlor 1988-3-29 124 San Bernardino Mojave Desert: NE edge of Danby Dry Lake at intersection of Cadiz Road with southern powerline road 198 Comment
  CAS-BOT-BC172858  Ambrosia dumosa Sarah J. De Groot 2004-3-29 3886 San Bernardino Whipple Mountains: South side of range, road past Vista Peak, near Highway 62 218 Comment
  CAS-BOT-BC172859  Ambrosia dumosa Sarah J. De Groot; J. Mark Porter 2003-9-28 3224 San Bernardino Whipple Mountains: Along Highway 95 between Vidal Junction and Vidal 239 Comment
  CAS-BOT-BC172860  Ambrosia dumosa Sarah J. De Groot; J. Mark Porter; Lauren Machen 2003-10-9 3255 San Bernardino Whipple Mountains: Wash beside Atchison, Topeka, and Santa Fe Railroad tracks, just E of Vidal and Highway 95 176 Comment
  CAS-BOT-BC173234  Ambrosia dumosa Sarah J. De Groot; J. Mark Porter; Naomi Fraga; Lauren Machen 2003-5-4 2786 San Bernardino Whipple Mountains: South side of range, along Colorado River aqueduct W of Chamber's Well road 285 Comment
  CAS-BOT-BC174345  Ambrosia dumosa Sarah J. DeGroot; Lee DeGroot 2003-4-5 2272 San Bernardino Whipple Mountains: Dirt road heading N from highway 62 about 9 miles east of Vidal Junction and west of Earp, vicinity of Vista Peak 231 Comment
  CAS-BOT-BC174346  Ambrosia dumosa Sarah J. DeGroot; Lee DeGroot 2003-4-5 2192 San Bernardino Whipple Mountains: Wash along highway 95 about 6 miles N of Vidal Junction, W of Savahia Peak 358 Comment
  CAS-BOT-BC174648  Ambrosia dumosa Sarah J. DeGroot; J. Mark Porter 2003-3-18 1516 San Bernardino Whipple Mountains: Along old Needles-Parker road between highway 62 and Colorado River aqueduct 244 Comment
  CAS-BOT-BC174649  Ambrosia dumosa Sarah J. DeGroot; J. Mark Porter 2003-3-19 1734 San Bernardino Whipple Mountains: Along Highway 95 just north of Vidal 112 Comment
  CAS-BOT-BC174653  Ambrosia dumosa Sarah J. DeGroot; Lee DeGroot 2003-4-5 2209 San Bernardino Whipple Mountains: Chemehuevi Wash at junction with highway 95, north of Vidal Junction 335 Comment
  CAS-BOT-BC174768  Ambrosia dumosa Sarah J. DeGroot; Michael Denslow 2003-3-19 1781 San Bernardino Whipple Mountains: Wash near intersection of Highway 95 and East Mojave Heritage Trail, west of Pyramid Butte 405 Comment
  CAS-BOT-BC176686  Ambrosia dumosa Sarah J. De Groot; J. Mark Porter; Naomi Fraga; Lauren Machen 2003-5-3 2703 San Bernardino Whipple Mountains: S/SE side along aqueduct road, SW of Bowman's wash 298 Comment
  CAS-BOT-BC177142  Ambrosia dumosa Sarah J. DeGroot; Angela Gatto; Chris Stevenson; Constance Baldwin 2003-4-19 2394 San Bernardino Whipple Mountains: Canyon on NE side of mountains, off powerline road 287 Comment
  CAS-BOT-BC177402  Ambrosia dumosa Sarah J. DeGroot; Angela Gatto 2003-4-20 2454 San Bernardino Whipple Mountains: Old road heading west from Copper Basin, off Bowman's wash road 421 Comment
  CAS-BOT-BC183865  Ambrosia dumosa Sarah J. De Groot; Leland Lubinsky 2004-10-18 4574 San Bernardino Whipple Mountains: South Fork of Whipple Wash, about 1 mile above intersection with north fork 463 Comment
  CAS-BOT-BC22326  Ambrosia dumosa Sarah J. De Groot; T. LaDoux 2003-5-21 2969 San Bernardino Whipple Mountains: North side of range, along road past War Eagle mine. 416 Comment
  CAS-BOT-BC22351  Ambrosia dumosa Alice Eastwood 1931-4-13 s.n. San Bernardino Barstow Comment
  CAS-BOT-BC22352  Ambrosia dumosa J. H. Thomas 1966-12-15 12396 San Bernardino 5.9 miles NW of Needles as measured along the highway (#66) or 2.1 miles E of junction of highways 66 and 95 152 Comment
  CAS-BOT-BC22353  Ambrosia dumosa J. H. Thomas 1957-4-6 6595 B San Bernardino Mojave Desert. About 2 miles north of Indian Cove, Joshua Tree National Monument. 822 Comment
  CAS-BOT-BC22354  Ambrosia dumosa J. H. Thomas 1957-4-6 6642 San Bernardino Mojave Desert. 1.4 miles north of Yucca Valley on raod to Lucerne Valley. 914 Comment
  CAS-BOT-BC22355  Ambrosia dumosa W. R. O 1973-9-23 0422 San Bernardino Rice Airfield. Alternate Power Plant site and transmission corridor Comment
  CAS-BOT-BC22356  Ambrosia dumosa M. Bourell 1987-4-29 3287 San Bernardino Soda Lake Desert Research Station. Zzyzx, ca 4 mi S of Baker Comment
  CAS-BOT-BC22357  Ambrosia dumosa T. Winfield 1975-4-27 2406 San Bernardino Hiway 62 Riverside County Line Comment
  CAS-BOT-BC22358  Ambrosia dumosa Marcus E. Jones 1884-5-3 3806 San Bernardino The Needles Comment
  CAS-BOT-BC22359  Ambrosia dumosa John August Kusche 1921-12-4 s.n. San Bernardino Needles Comment
  CAS-BOT-BC22360  Ambrosia dumosa J. T. Howell 1927-6-12 2505 San Bernardino Deadman's Point, Mojave Desert 914 Comment
  CAS-BOT-BC22361  Ambrosia dumosa Marcus E. Jones 1884-5-3 3806 San Bernardino The Needles Comment
  CAS-BOT-BC22362  Ambrosia dumosa P. A. Munz; Robert Daniel Harwood 1920-4-1 3629 San Bernardino Needles Comment
  CAS-BOT-BC22363  Ambrosia dumosa Annie M. Alexander; L. Kellogg 1940-4-25 1218 San Bernardino Hanging over bank....Canyon on north side of Whipple Mountains 304 Comment
  CAS-BOT-BC22364  Ambrosia dumosa R. S. Ferris 1930-6-14 8009 San Bernardino Along the Mojave River below Daggett 304 Comment
  CAS-BOT-BC22366  Ambrosia dumosa E. C. Twisselmann 1958-10-31 4945 San Bernardino Kramer's Corners 762 Comment
  CAS-BOT-BC22367  Ambrosia dumosa E. C. Twisselmann 1969-6-4 15594 San Bernardino South side of Harper Dry Lake 670 Comment
  CAS-BOT-BC22368  Ambrosia dumosa E. C. Twisselmann 1958-10-31 4945 San Bernardino Kramer's Corner 762 Comment
  CAS-BOT-BC22370  Ambrosia dumosa E. C. Twisselmann 1958-5-6 4403 San Bernardino Trona Road, 2 miles east of Searles Station, 1021 Comment
  CAS-BOT-BC22371  Ambrosia dumosa E. C. Twisselmann 1958-5-6 4403 San Bernardino Trona Road, 2 miles east of Searles Station, 1021 Comment
  CAS-BOT-BC22372  Ambrosia dumosa Cecil Hart 1922-5-13 13 San Bernardino between Barstow and Victorville Comment
  CAS-BOT-BC22373  Ambrosia dumosa Cecil Hart 1922-5-13 13 San Bernardino Calico Mts. Comment
  CAS-BOT-BC22374  Ambrosia dumosa E. C. Twisselmann 1969-6-4 15594 San Bernardino South side of Harper Dry Lake 670 Comment
  CAS-BOT-BC22375  Ambrosia dumosa S. Castagnoli; Gregory Clark de Nevers; R. D. Stone 1980-4-27 86 San Bernardino Smith Mine, Kingston Range 975 Comment
  CAS-BOT-BC22376  Ambrosia dumosa Brandegee s.n. San Bernardino Mojave Desert Comment
  CAS-BOT-BC22398  Ambrosia dumosa Alice Eastwood 1916-6-23 5963 San Bernardino Needles Comment
  CAS-BOT-BC22399  Ambrosia dumosa Alice Eastwood 1931-4-23 18252 San Bernardino Needles Comment
  CAS-BOT-BC22400  Ambrosia dumosa Alice Eastwood 1931-6-17 s.n. San Bernardino Searles Lake Comment
  CAS-BOT-BC22618  Ambrosia dumosa Steve Boyd 2007-11-1 11818 San Bernardino Orange Blossum wash area, central portion of Bristol Mtns, W and N end of Marble Mtns, W of Kelbaker Rd, S of I-40 732 Comment
  CAS-BOT-BC22620  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -317 San Bernardino Just inside north boundary of Joshua Tree National Monument on road from Twentynine Palms to Cottonwood Springs Comment
  CAS-BOT-BC22621  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -318 San Bernardino Just inside north boundary of Joshua Tree National Monument on road from Twentynine Palms to Cottonwood Springs Comment
  CAS-BOT-BC22622  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -320 San Bernardino Just inside north boundary of Joshua Tree National Monument on road from Twentynine Palms to Cottonwood Springs Comment
  CAS-BOT-BC22623  Ambrosia dumosa S. Smith-White; A. Johnson 1963-5-1 63 -400 San Bernardino 2 miles east of Barstow on US Highway 66. Comment
  CAS-BOT-BC22624  Ambrosia dumosa S. Smith-White; A. Johnson 1963-5-1 63 -402 San Bernardino 2 miles east of Barstow on US Highway 66. Comment
  CAS-BOT-BC22625  Ambrosia dumosa S. Smith-White; A. Johnson 1963-5-1 63 -404 San Bernardino 2 miles east of Barstow on US Highway 66. Comment
  CAS-BOT-BC227714  Ambrosia dumosa Sarah J. De Groot; J. Mark Porter; Naomi Fraga 2003-5-4 2851 San Bernardino Whipple Mountains: West slope at north end of Savahia Peak, mid to low elevation 530 Comment
  CAS-BOT-BC30820  Ambrosia dumosa Donald W. Kyhos 1964-4-18 64 -90 San Bernardino 6.9 miles south of Twentynine Palms Highway near road to Joshua Tree National Monument. Comment
  CAS-BOT-BC30821  Ambrosia dumosa Donald W. Kyhos 1964-4-18 64 -91 San Bernardino 6.9 miles south of Twentynine Palms Highway near road to Joshua Tree National Monument. Comment
  CDA9982  Ambrosia dumosa T. C. Fuller 1961-10-19 7271 San Bernardino Barstow Road, 6.6 miles north of Lucerne Valley. 0 Comment
  CDA9984  Ambrosia dumosa A. C. Browne 1957-4-21 San Bernardino Mule Canyon, Yermo. 0 Comment
  CDA9985  Ambrosia dumosa T. C. Fuller 1962-5-8 8414 San Bernardino Highway 91, 1.4 miles northeast of Barstow. 0 Comment
  CHSC39216  Ambrosia dumosa M. S. Taylor 1983-4-6 5262 San Bernardino Around KOA Campground, N end of Needles. Comment
  CHSC842  Ambrosia dumosa D. Greene 1949-4-12 San Bernardino 8 mi. S. Dagget. Comment
  CHSC95896  Ambrosia dumosa LeRoy Gross 2005-4-25 2052 San Bernardino Mojave Desert; North Mojave Desert region: southwest end of the Lava Mountains, north of Red Mountains, east of Trona Road. Side road off Steam Well Road (RM1444) to Skilling Well. Road ends near mines. General collecting along the lower ridge that climbs toward Klinker Mtn. Than returned down a small draw to to the west of theis ridge. Gentle slopes at base, steeper the farther you climb, with some volanic outcrops. Near 35.39090N, 117.56767W to 35.39745N, 117.56570W. 1113 Comment
  CHSC98016  Ambrosia dumosa LeRoy Gross; Amber Maurice 2005-3-17 1727 San Bernardino Mojave Desert; Southcentral Mojave Desert region: 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. Near 34.61232N, 115.68189W to 34.60943N, 115.68508W. Alt: 552-611m. 552 Comment
  CHSC99181  Ambrosia dumosa LeRoy Gross 2005-4-12 1861 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Marble Mountains; north of gas line road (mile 69), south of Highway 40, east of Kelbaker Road. General collecting from low hills north up near a rocky cliff, then west northeast into a canyon bottom that I followed into the mountains a short distance. Started near 34.70550N, 115.65803W, to 34.71096N, 115.65477W. Growing on gentle slope. 873 Comment
  CLARK-A1528-1082  Ambrosia dumosa N. J. Chatterton 1966-4-26 F- 3 San Bernardino Comment
  CLARK-A1528-162  Ambrosia dumosa Carol J. Harker 1969-5-21 27 San Bernardino Hesperia 1142 Comment
  CLARK-A1528-2195  Ambrosia dumosa N. J. Chatterton 1966-4-26 F- 3 San Bernardino Comment
  CSUSB1473  Ambrosia dumosa Phil Lindeman 1969-5-15 S. N. San Bernardino Desert Lucerne Valley turnoff 1 mile from U. S. route 66 Comment
  CSUSB1474  Ambrosia dumosa Schreiner 1973-6-26 S. N. San Bernardino BUSD, Barstow. Desert Research Station. 670 Comment
  GMDRC1532  Ambrosia dumosa J. Andre, Jodi Ross 2004-4-23 4728 San Bernardino Old Woman Mtns: Old Woman Mtns: Sunflower Wash area of Section 5 of NALC, growing on alluvial fans in coarse gravels. Elev. 3098 ft. 945 Comment
  GMDRC2740  Ambrosia dumosa J. Andre, T. La Doux, Shannon Still 2007-11-26 9395 San Bernardino Granite Mountains: Granite Mountains: growing in Old Dad Mtns Wash, W. side of Granite Mtns, E. end of Bristol Mtns, approx 1 mi. N. of I-40.. Elev. 3245 ft. 989 Comment
  GMDRC4136  Ambrosia dumosa J. Andre 2010-4-7 12459 San Bernardino Piute Mountains: along transmission line road in valley east of N. Piute Mtns and west of N. Sacamento Mtns, 3 mi. south of Route 66 (Natl. Trails Hwy), 2 mi. N. of I-40 freeway. 650 Comment
  GMDRC646  Ambrosia dumosa B. Pitzer 1998-11-14 3804 San Bernardino Mojave Desert: E Moj. Des., Rte 66, 9.9 mi. E of jct w/Kelbaker Rd & 1.8 mi. W of Chambless. 34d 34.3'N, 115d 28.6'W; 800'. 244 Comment
  HSC25892  Ambrosia dumosa Richard Spjut 1971-12-30 2054 San Bernardino Mojave Desert, 29 Palms 610 Comment
  HSC78599  Ambrosia dumosa A. C. Sanders 1983-4-23 3781 San Bernardino Whipple Mtns., Whipple Wash where it joins the road to Havasu Landing, 0.5 mi. below Willow Spring and 1.5 mi. above Lake Havasu 168 Comment
  IRVC14672  Ambrosia dumosa D. W. Goodall 1968-4-14 s.n. San Bernardino 15km N of Trona Mojave Desert Comment
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Sep 16 2014
  IRVC14713  Ambrosia dumosa D. W. Goodall 1968-4-23 s.n. San Bernardino Near 29 Palms entrance, Joshua Tree National Monument. southern Mojave Desert Comment
  IRVC26168  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2003-10-5 27278 San Bernardino along Hwy 62 east of Twentynine Palms, ca. 1 mile east of Old Dale Southern Mojave Desert 390 Comment
  IRVC26973  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 28998 San Bernardino Cadiz Valley ca. 17 miles north of Hwy 62, west of Cadiz Lake salt evaporators, along dirt road up west side of valley toward Calumet Mine Southern Mojave Desert 210 Comment
  IRVC28113  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 29006 San Bernardino Cadiz Valley ca. 19 miles north of Hwy 62, west of north end of Cadiz Lake, along dirt road up west side of valley toward Calumet Mine Southern Mojave Desert 192 Comment
  IRVC28115  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 28962 San Bernardino south end of the Sheephole Mtns. along Hwy 62, 2.8 miles west of Clarks Pass, 26.2 miles east of Utah Trail in Twentynine Palms Southern Mojave Desert 530 Comment
  IRVC29800  Ambrosia dumosa Mark A. Elvin 2004-10-7 3772 San Bernardino 7km NW Emerson Dry Lake, 5.5km S Galway Dry Lake. Southern Mojave Desert 823 Comment
  JEPS123579  Ambrosia dumosa J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8771 San Bernardino Clark Mountain Range, along transmission line road approx. 4.5 miles E of Excelsior Mine Road, N side of Clark Mountain. Comment
  JEPS19962  Ambrosia dumosa W. L. Jepson 1916-5-2 5366 San Bernardino Barstow; Mojave Desert 670 Comment
  JEPS19963  Ambrosia dumosa W. L. Jepson 1914-5-3 5899 San Bernardino table-land summit Ord Mt.; Mohave Desert 1463 Comment
  JEPS20420  Ambrosia dumosa Reino Alava and Rimo Bacigalupi with J. R. Sweeney and Aloha Alava 1958-4-3 1918 San Bernardino 2 mi se of (just s of rd leading from Baker to Kelso) Baker 274 Comment
  JEPS22270  Ambrosia dumosa Ernest C. Twisselmann 1958-10-31 4945 San Bernardino Kramer's Corners 762 Comment
  JEPS26447  Ambrosia dumosa Peter H. Raven 1959-4-11 13983 San Bernardino 2.5 mi s, on rd to Lucerne Valley Barstow Comment
  JEPS40929  Ambrosia dumosa W. L. Jepson 1930-5-10 15551 San Bernardino near, between Kramer and Barstow Hawes 701 Comment
  JEPS40945  Ambrosia dumosa W. L. Jepson 1937-5-9 18297 San Bernardino e from Mitchell Caverns (plain on e side, Providence Mts.); Providence Mts., e from Mitchell Caverns 670 Comment
  JEPS40960  Ambrosia dumosa W. L. Jepson 1941-4-28 20390 San Bernardino 3 mi from, valley between Bristol Mts. and Old Dad Mts. Staples Cove; Mohave Desert, Bristol Mts., Old Dad Mts. 762 Comment
  JEPS60818  Ambrosia dumosa Ernest C. Twisselmann 1969-6-4 15594 San Bernardino Harper Dry Lake 670 Comment
  JOTR31747  Ambrosia dumosa La Doux, Tasha 2009-9-24 2067 San Bernardino Joshua Tree National Park. North Coxcomb Mountains, east of Clark's Pass; Stop 2: south of Highway 62, north east facing rocky slopes 679 Comment
  LA107151  Ambrosia dumosa Barry A. Prigge; Arthur C. Gibson, K. Niessen 1993-4-30 10822 c San Bernardino Fort Irwin Military Reservation, 12 km ENE of Mars Radio Telescope facility, 1.8 km SW of McLean (dry) Lake, vicinity of transect 22 960.0 Comment
  LA202896  Ambrosia dumosa Jonathan Sauer; D. L. Johnson 1969-4-12 4409 San Bernardino Calico Mountains Comment
  LA202900  Ambrosia dumosa F. R. Fosberg; 1932-4-24 8175 San Bernardino Sheep Hole Mountains, W end of mountains Comment
  LA212017  Ambrosia dumosa Deidre Conocchioli; Naomi Fraga, Ridgecrest Staff 2014-3-19 265 San Bernardino Along Afton Canyon Road 1.1 miles SE of I-15. 1.6 miles NW of Afton Canyon Campground, 2.6 miles NE of Dunn. 535.0 Comment
  LA39305  Ambrosia dumosa Jane Turner; Gale Sphon 1961-3-25 C- 498 San Bernardino 36 mi. N of the turnoff from Baker to Shoshone on State Highway 127 Comment
  LA98554  Ambrosia dumosa G. Dilworth; 1970-4-19 24 San Bernardino Granite Mountains, on N Boundary Rd. W of Kelbaker Rd Comment
  LA98555  Ambrosia dumosa Paul Leskinen; 1970-4-19 511 San Bernardino Granite Mountains, N of mountains, powerline road 822 Comment
  OBI33423  Ambrosia dumosa Melissa Luckow, Rhonda Riggins, Richard Pimentel 1983-3-20 1127 San Bernardino Hwy 178 (Wildrose-Trona Rd), ca. 10 mi S of entrance to Death Valley Nationl Monument 549 Comment
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Sep 15 2014
  OBI37426  Ambrosia dumosa D. A. Hoover 1985-4-21 386 San Bernardino Morongo Canyon; Ridge above the convoluted gneiss canyon east of the pipeline road and the upper Desert Wash Trail Comment
  OBI38940  Ambrosia dumosa Scott Sundberg 1984-8-23 2655 San Bernardino E of Barstow, just S of the Mojave River, 0.4 mi E of Harvard Rd. along Mojave Trail rd. Comment
  OBI70295  Ambrosia dumosa Louis C. Wheeler 1960-6-22 7763 San Bernardino SE of Randsburg Comment
  OBI8188  Ambrosia dumosa David J. Keil, Malcolm McLeod , Dirk Walters 1977-3-28 12096 San Bernardino 23 mi S of Amboy along Amboy Rd. Comment
  POM254240  Ambrosia dumosa Philip A. Munz 1939-10-20 12889 San Bernardino 1 miles east of 29 Palms. 762 Comment
  POM308574  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1937-4-18 3243 San Bernardino Trona springs Comment
  POM38998  Ambrosia dumosa Marcus E. Jones 1884-5-3 3806 San Bernardino The Needles. Comment
  POM7942  Ambrosia dumosa Philip A. Munz, R. D. Harwood 1920-4-1 3629 San Bernardino Needles. 152 Comment
  RSA0011035  Ambrosia dumosa April Garbat, Sarah J. De Groot 2013-3-28 33 San Bernardino Chemehuevi Wash on BLM Rd 056. Rocky outcrop on W side of wash. 243 Comment
  RSA0020282  Ambrosia dumosa Duncan S. Bell, Tim Brockway, David Brotman, Kim Clark, Mike DePatie, Reenu Garg, John Randall, Sean Reynolds 2013-9-21 5956 San Bernardino Castle Mountains; south section of the range, just to the southeast of Hart Mine. 1328 Comment
  RSA0022452  Ambrosia dumosa J. Andre 2013-9-26 25840 San Bernardino Ivanpah Valley; Mojave National Preserve; west end of valley, 0.5 miles west of Ivanpah Rd., about 5 miles south of I-15, just south of MNP border. 856 Comment
  RSA0022699  Ambrosia dumosa J. Andre 2013-9-14 25562 San Bernardino Shadow Valley; along major powerline, 1.1 miles NW of Jct Cima Rd and Interstate 15 (at Valley Wells), 0.4 miles west of Excelsior Mine Rd. 1116 Comment
  RSA0027381  Ambrosia dumosa April Garbat, Sarah J. De Groot 2013-3-28 33 San Bernardino Chemehuevi Wash on BLM Rd 056. Rocky outcrop on W side of wash. 243 Comment
  RSA0027515  Ambrosia dumosa April Garbat, Deidre Conocchioli 2013-9-12 122 San Bernardino S of Danby Lake. From intersection of Hwy 177 and Hwy 62, take Hwy 62 E for 15 miles to collection site, near call box 1002. 234 Comment
  RSA0029656  Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-10 105 San Bernardino Old Woman Mountains, north rim. From Essex, head southeast on Sunflower Springs Rd for 7.5 miles. 859 Comment
  RSA0031418  Ambrosia dumosa Deidre Conocchioli, Billy Sale 2014-3-26 301 San Bernardino Along Afton Road 3.4 miles NW of I-15. N of Dunn. 572 Comment
  RSA0035370  Ambrosia dumosa Deidre Conocchioli, Billy Sale 2014-3-26 306 San Bernardino Just W of the Calico Mountains 1.5 miles N of I-15. 4.4 miles NW of Yermo, 7 miles S of Coyote Lake. 195 Comment
  RSA0035498  Ambrosia dumosa Deidre Conocchioli, Duncan S. Bell 2014-3-17 258 San Bernardino Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains between Daggett and Newberry Springs. 186 Comment
  RSA0035511  Ambrosia dumosa Deidre Conocchioli, Naomi Fraga, Ridgecrest Staff 2014-3-19 265 San Bernardino Along Afton Canyon Road 1.1 miles SE of I-15. 1.6 miles NW of Afton Canyon Campground, 2.6 miles NE of Dunn. 535 Comment
  RSA0035643  Ambrosia dumosa Deidre Conocchioli, Duncan S. Bell 2014-3-17 169 San Bernardino Just S of I-40 0.8 miles E of Newberry Springs off Quarry Road. 607 Comment
  RSA0036290  Ambrosia dumosa J. M. Andre 2014-4-7 29745 San Bernardino Sandy hummocks just north of junction of BLM Rd #8687 and powerline corridor, about 1 mi. north of RR tracks underpass at Interstate 40 (Pisgah Rd). Approx. 13 mi. west of Ludlow. 650 Comment
  RSA0039963  Ambrosia dumosa Jim Andre 2013-9-11 26965 San Bernardino Mojave Natl. Preserve: along Essex Rd, 5.1 mi. north of jct with Interstate 40. 743 Comment
  RSA0040480  Ambrosia dumosa Duncan S. Bell 2014-2-21 6168 San Bernardino Newberry Mountains; northwest section of range; collecting within the Newberry Mountains Wilderness area; approximately 7.75 air miles northwest of Kane Springs. 885 Comment
  RSA0046917  Ambrosia dumosa Jim Andre 2012-5-10 22617 San Bernardino Mojave National Preserve; along Essex Road, just south of jct. with Black Canyon Rd., 9.7 mi. north of Interstate 40. 895 Comment
  RSA0047013  Ambrosia dumosa Sarah J. De Groot, Cheryl S. Sevilla 2014-10-20 7351 San Bernardino Southeast Vidal Valley; along powerline road west-southwest of Highway 95 just southwest of Vidal Wash, 0.6 mile west-southwest from Highway 95, 1.3 air miles south of Vidal, about 5 air miles west of the Colorado River., Northern bajada of the Riverside Mountains. 189 Comment
  RSA0049999  Ambrosia dumosa Jim Andre 2013-10-23 26418 San Bernardino Mojave National Preserve; end of dirt road 0.6 mi west of Black Cyn Rd, 8.0 mi. north of jct with Esses Rd, 2 mi south of Hole-in-the-Wall Campground. 1166 Comment
  RSA0050557  Ambrosia dumosa Jim Andre 2013-10-14 26358 San Bernardino Mojave Natl. Preserve; along Aiken Mine Rd, 11.7 mi NNE of Aiken Mine, about 3 mi. sw of Valley Wells at I-15 Jct with Cima Rd. 1196 Comment
  RSA0068123  Ambrosia dumosa Cheryl Sevilla, Kay Lewis-Jones, Sarah J. De Groot 2015-4-27 77 San Bernardino Mojave Desert; Calico Mountains region: off Copper City Road 1.5 road miles north of Irwin Road; south of the Mud Hills. 866 Comment
  RSA0081760  Ambrosia dumosa Jim M. Andre 2014-1-17 30909 San Bernardino Colorado River Basin; along Needles Highway, 2.3 mi. north of Needles (at I-40). 140 Comment
  RSA134679  Ambrosia dumosa Peter H. Raven 1959-4-11 13983 San Bernardino Mojave Desert. Sandy wash 2.5 miles S of Barstow on road to Lucerne Valley [Hwy 247]. Comment
  RSA176470  Ambrosia dumosa Roxana S. Ferris 1930-6-14 8009 San Bernardino Along state Hwy between Daggett and Barstow. Comment
  RSA195533  Ambrosia dumosa Donald W. Kyhos 1964-4-18 64 -89 San Bernardino 2.0 miles south of Twentynine Palms Highway near road to Joshua Tree National Monument. Comment
  RSA226521  Ambrosia dumosa C. W. Tilforth 1971-5-15 370 San Bernardino 14 mi. n. of Yucca Valley along road to Lucerne Valley. Comment
  RSA247985  Ambrosia dumosa R. F. Thorne, C. W. Tilforth 1973-4-28 43157 San Bernardino 4.4 mi. W of Kelso along Union Pacific Railroad. 671 Comment
  RSA24880  Ambrosia dumosa C. B. Wolf 1941-5-26 10661 San Bernardino Mojave Desert, Providence Mts. 5 mi. W. of Columbia Mine (1 mi. E of U.P.R.R.) 1005 Comment
  RSA258113  Ambrosia dumosa Robert A. Norris 1975-6-1 2390 San Bernardino Near State Highway 58, 10 mi. W Barstow. Comment
  RSA270447  Ambrosia dumosa B. A. Prigge 1973-5-18 912 San Bernardino Shadow Valley, 5.9 miles N of Interstate 15 on Excelsior Mine Road, 9.7 miles NWW of Mt Pass 1067 Comment
  RSA270590  Ambrosia dumosa James Henrickson 1973-5-26 2 San Bernardino ca. 17 (air) miles S of Kelso, 5.2 (rd) miles N of Hwy 40 along Kelbaker Rd 1159 Comment
  RSA275586  Ambrosia dumosa R. F. Thorne, C. W. Tilforth, A. Shmida, B. A. Prigge 1978-5-9 51216 San Bernardino Kelso Dunes: southern edge of Kelso Dunes near Bull Canyon Wash from Granite Mountains 731 Comment
  RSA280782  Ambrosia dumosa K. C. Hart 1978-5-3 29 San Bernardino On sandy-gravelly bajada adjoining west edge of Sheep Corral; Plants of the Granite Mountains 1036 Comment
  RSA295966  Ambrosia dumosa Scott Martens, Marla LaCass 1980-4-21 13 San Bernardino Old Dad Mountain-Kelso Mountains Area: 5.5 mi N, 10 mi W of Kelso. 780 Comment
  RSA302912  Ambrosia dumosa S. Castagnoli, Greg de Nevers, R. Doug Stone 1980-4-27 86 San Bernardino Smith Mine. 976 Comment
  RSA310779  Ambrosia dumosa R. F. Thorne, Walter Wisura, Mark Patterson 1983-7-1 56066 San Bernardino Mojave Desert along hwy 178 about 3.5 miles SW of Trona, enroute to Panamint Mts 511 Comment
  RSA336344  Ambrosia dumosa R. F. Thorne, Christopher Davidson 1978-6-18 52176 San Bernardino San Bernardino Mountains. Cushenbury Canyon: above Cushenbury Springs at the mouth of the canyon across from Cement Works. 1250 Comment
  RSA38894  Ambrosia dumosa Marcus E. Jones 1903-5-17 s.n. San Bernardino Victor [Victorville] 793 Comment
  RSA416968  Ambrosia dumosa M. B. Dunkle 1933-5-6 3415 San Bernardino Dry Morongo Creek Comment
  RSA416970  Ambrosia dumosa M. B. Dunkle 1935-3-30 4411 San Bernardino Devil's Cactus Garden. 244 Comment
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Nov 17 2014
  RSA416973  Ambrosia dumosa C. Epling, L. Ellison, Harvey Anderson 1930-4-17 s.n. San Bernardino Mohave Desert. Slate Mountain. Comment
  RSA416974  Ambrosia dumosa N. C. Cooper 1949-4-16 3424 San Bernardino Newberry. 548 Comment
  RSA416975  Ambrosia dumosa M. B. Dunkle 1933-3-26 3130 San Bernardino Mojave Desert, 5 miles E of Baker. Comment
  RSA416976  Ambrosia dumosa M. B. Dunkle 1935-4-15 4489 San Bernardino Providence Mountains. 1219 Comment
  RSA416978  Ambrosia dumosa Chris Henne 1940-10-6 s.n. San Bernardino Desert W of Ivanpah. Comment
  RSA416979  Ambrosia dumosa L. E. Hoffman 1933-2-18 s.n. San Bernardino Morongo Valley. Comment
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Oct 16 2010
  RSA456740  Ambrosia dumosa D. Charlton, B. Pitzer 1988-5-7 1832 San Bernardino E. Mojave Desert, 11.4 miles N of Hwy 40 on Essex Rd. Providence Mtns., Wash on lower bajada parallel to rd. 9 miles east of Mitchell Caverns Recreational Area. 854 Comment
  RSA507491  Ambrosia dumosa J. C. Aulenbrock 1985-4-10 36 San Bernardino B.L.M. Wilderness Study Area #328, ca.35 miles E of Twentynine Palms, E of Clark's Pass at north end of Coxcomb Mountains. 701 Comment
  RSA518346  Ambrosia dumosa H. Green, Lorin Hicks 1978-4-9 s.n. San Bernardino Cadiz Valley, E Mojave Desert; just N of Riverside County line, near junction of Hwy 62 with Hwy 177. Comment
  RSA518527  Ambrosia dumosa H. Green, Lorin Hicks 1978-4-26 s.n. San Bernardino E. Mojave Desert, Ward Valley; W of Needles. Comment
  RSA518928  Ambrosia dumosa F. C. Vasek 1978-5-8 s.n. San Bernardino Music Valley, ca. 8 mi. SE of Twentynine Palms. 610 Comment
  RSA570329  Ambrosia dumosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-19 7838 San Bernardino Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range.[Northeast] Southern base of the Avawatz Range on lower third of alluvial fan below Sheep Creek Springs Canyon. 200 Comment
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Apr 2 2017
  RSA604950  Ambrosia dumosa Scott D. White 1995-4-6 2778 San Bernardino Cadiz Rd., just N of Hwy. 62 260 Comment
  RSA608661  Ambrosia dumosa R. S. Woglum 1935-4-15 797 San Bernardino 29 Palms vicinity. Comment
  RSA608663  Ambrosia dumosa R. S. Woglum 1937-4-17 520 San Bernardino Mojave Desert: Trona; Searles Valley Comment
  RSA617909  Ambrosia dumosa Valerie L. Soza, Kate Kramer 1998-6-25 328 San Bernardino San Bernardino Mountains: SE of Terrace Springs and W of Arrastre Creek. 1402 Comment
  RSA624108  Ambrosia dumosa L. C. Wheeler 1960-6-22 7763 San Bernardino Atolia: Southeast of Randsburg. Comment
  RSA648677  Ambrosia dumosa Elizabeth Wiggins 1984-5-6 108 San Bernardino City of Ivanpah, 100 ft. N. of RR. xing., on Ivanpah Rd., 8.3 mis. N. Keystone Spirngs Rd. Comment
  RSA650431  Ambrosia dumosa Marion P. Harthill 1974-5-2 s.n. San Bernardino [Adelanto] 915 Comment
  RSA650432  Ambrosia dumosa Marion P. Harthill 1974-5-2 1751 San Bernardino Harper Lake 762 Comment
  RSA651742  Ambrosia dumosa Katherine Thomas, Jon Zander 1988-5-6 102 San Bernardino 3.5 miles NE of Kramer Junction (Hwys. 395 an 58 junction). On Fish and Game Land. NE corner of plot. Comment
  RSA653638  Ambrosia dumosa M. A. Stalder 1998-5-24 55 San Bernardino 61241 Reche Rd, Landers Comment
  RSA658441  Ambrosia dumosa Sharon Kautto 1984-5-5 84 -34 San Bernardino Providence Mountains area. Intersection of Essex Road and Black Canyon Road headed towards Hole-In-the-Wall. Comment
  RSA658682  Ambrosia dumosa Elizabeth S. Shapiro 1984-5-6 57 San Bernardino Mojave Desert, Ivanpah. Comment
  RSA660013  Ambrosia dumosa Elizabeth S. Shapiro 1984-5-5 22 San Bernardino Mojave desert; 19 miles east of Essex Rd. on Hwy 40. Dry river bed 1/4 mile south of the Hwy. Comment
  RSA681306  Ambrosia dumosa LeRoy Gross, Steve Boyd, Michael Denslow, Lisa Rojas 2003-10-21 1194 San Bernardino East side of the Soda Mountains; North of interstate 15, west of Baker. Along jeep trail to Blue Bell Mine. Exit Zzyzx Road. 481 Comment
  RSA701262  Ambrosia dumosa Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11595 San Bernardino Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15. Comment
  RSA701567  Ambrosia dumosa Steve Boyd, Tammy Morgan 2004-3-30 10710 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  RSA702339  Ambrosia dumosa Steve Boyd, Michael Denslow 2004-3-23 10583 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA704627  Ambrosia dumosa Sarah J. De Groot, Angela Gatto 2003-4-20 2454 San Bernardino WHIPPLE MOUNTAINS: Old road heading west from Copper Basin, off Bowman's wash road. 421 Comment
  RSA704701  Ambrosia dumosa Sarah J. De Groot, Angela Gatto, Chris Stevenson, Constance Baldwin 2003-4-19 2394 San Bernardino Whipple Mts: Canyon on NE side of mountains, off powerline road. 287 Comment
  RSA705474  Ambrosia dumosa LeRoy Gross, Amber Maurice 2005-3-17 1658 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Marble Mountains; Just east of Kelbaker Road, short distance south from Highway 40., Near 34.70881N, 115.67629W, to 34.71046N, 115.67184W. General collecting in and along south draining wash, and to base of steep sided rock cliff to the east, then north to a saddle. 836 Comment
  RSA705687  Ambrosia dumosa LeRoy Gross, Amber Maurice 2005-3-17 1727 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. 552 Comment
  RSA705882  Ambrosia dumosa Sarah J. De Groot, Michael Denslow 2003-3-20 2067 San Bernardino Whipple Mts: West side, wide wash along old Needles-Parker road south of D&W mine. 435 Comment
  RSA705885  Ambrosia dumosa Sarah J. De Groot, Michael Denslow 2003-3-19 1976 San Bernardino Whipple Mts: West side of range, American Eagle Mine. 565 Comment
  RSA705886  Ambrosia dumosa Sarah J. De Groot, Michael Denslow 2003-3-19 1781 San Bernardino Whipple Mountains: Wash near intersection of Highway 95 and East Mojave Heritage Trail, west of Pyramid Butte. 405 Comment
  RSA705888  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-18 1588 San Bernardino Whipple Mountains: Along Havasu Palms road, between Black Meadow Landing road and intersection with powerline road. 335 Comment
  RSA705889  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-18 1567 San Bernardino WHIPPLE MOUNTAINS: Wash north of highway 62 and aqueduct. East of old Needles-Parker road. 329 Comment
  RSA705890  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-18 1516 San Bernardino WHIPPLE MOUNTAINS: Along old Needles-Parker road between highway 62 and Colorado River aqueduct. 244 Comment
  RSA705891  Ambrosia dumosa Sarah J. De Groot, Janelle De Groot 2003-1-9 946 San Bernardino Whipple Mountains: Gold Standard Mine, west side of range. 622 Comment
  RSA705892  Ambrosia dumosa Sarah J. De Groot, Janelle De Groot 2003-1-7 884 San Bernardino WHIPPLE MOUNTAINS: along Havasu Palms Road. 335 Comment
  RSA705893  Ambrosia dumosa Sarah J. De Groot, Lee De Groot 2003-4-5 2272 San Bernardino WHIPPLE MOUNTAINS: Dirt road heading N from highway 62 about 9 miles east of Vidal Junction and west of Earp, vicinity of Vista Peak. 231 Comment
  RSA705894  Ambrosia dumosa Sarah J. De Groot, Lee De Groot 2003-4-5 2209 San Bernardino WHIPPLE MOUNTAINS: Chemehuevi Wash at junction with highway 95, north of Vidal Junction. 335 Comment
  RSA705895  Ambrosia dumosa Sarah J. De Groot, Lee De Groot 2003-4-5 2192 San Bernardino Whipple Mts: Wash along highway 95 about 6 miles N of Vidal Junction, W of Savahia Peak. 358 Comment
  RSA705896  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-17 1378 San Bernardino Whipple Mountains: Wash and desert pavement along Highway 95 between Vidal and Vidal Junction. 260 Comment
  RSA705977  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-19 1734 San Bernardino Whipple Mountains: Along Highway 95 just north of Vidal. 112 Comment
  RSA706171  Ambrosia dumosa Sarah J. De Groot, Angela Gatto 2003-4-20 2488 San Bernardino Whipple Mountains: Bluff northwest of Monument Peak, south side of Copper Basin. Saddle near summit. 720 Comment
  RSA706257  Ambrosia dumosa LeRoy Gross 2005-4-12 1861 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Marble Mountains; north of gas line road (mile 69), south of Highway 40, east of Kelbaker Road., General collecting from low hills north up near rocky cliff, then west northeast into a canyon bottom that I followed into the mountains a short distance. 863 Comment
  RSA706464  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Naomi Fraga, Lauren Machen 2003-5-3 2703 San Bernardino S/SE side along aqueduct road, SW of Bowman's wash. 298 Comment
  RSA707196  Ambrosia dumosa LeRoy Gross 2005-4-19 1976 San Bernardino Rodman Moutains; South end of a large lava flow, between Camp Rock Mine to the west and Silver Bell Mine to the east. 1382 Comment
  RSA707313  Ambrosia dumosa LeRoy Gross, Bryan Tutt, Sula Vanderplank 2005-2-23 1498 San Bernardino Northwest side of the Avawatz Mountains, off road that leads to Cave Spring and Avawatz Pass. Just north of Fort Irwin indefinite boundary. Southeast of Denning Spring 604 Comment
  RSA709282  Ambrosia dumosa Sarah J. De Groot, Tasha La Doux 2003-5-21 2989 San Bernardino WHIPPLE MOUNTAINS: West side of range, along old Needles-Parker road. Dark volcanic bluff east of road and coarse sandy wash. 476 Comment
  RSA709342  Ambrosia dumosa Sarah J. De Groot, Tasha La Doux 2003-5-21 2969 San Bernardino WHIPPLE MOUNTAINS: North side of range, along road past War Eagle mine. 416 Comment
  RSA709365  Ambrosia dumosa Sarah J. De Groot, Tasha La Doux 2003-5-20 2924 San Bernardino Whipple Mountains: Hills between War EaglWhipple Mountains: Hills just north of summit ridge, south of War Eagle mine. e Mine and summit ridge. 519 Comment
  RSA709424  Ambrosia dumosa A. C. Sanders 1989-3-19 9033 .3 San Bernardino Mojave Desert: 29 Palms Marine Corps Base, east slope of Bullion Mountains, America Mine Training Range. 793 Comment
  RSA710867  Ambrosia dumosa LeRoy Gross 2005-4-25 2052 San Bernardino Southwest end of the Lava Mountains, north of Red Mountain, east of Trona Road. Side road off Steam Well Road (RM1444) to Skilling Well., [From] Near 35.39090N, 117.56767W to 35.39745N, 117.56570W. 1034 Comment
  RSA711623  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Lauren Machen 2003-10-9 3255 San Bernardino WHIPPLE MOUNTAINS: Wash beside Atchison, Topeka, and Santa Fe Railroad tracks, just E of Vidal and Highway 95. 176 Comment
  RSA712020  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Naomi Fraga, Lauren Machen 2003-5-4 2786 San Bernardino Whipple Mts: South side of range, along Colorado River aqueduct W of Chamber's Well road. 285 Comment
  RSA712731  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-9-28 3224 San Bernardino WHIPPLE MOUNTAINS: Along Highway 95 between Vidal Junction and Vidal. 239 Comment
  RSA713100  Ambrosia dumosa Sarah J. De Groot, Angela Gatto 2003-4-21 2588 San Bernardino WHIPPLE MOUNTAINS: Bowman's Wash near intersection with Parker Dam road near Crossroads. West end of Crossroads OHV area. 123 Comment
  RSA714726  Ambrosia dumosa Sarah J. De Groot 2004-3-29 3886 San Bernardino WHIPPLE MOUNTAINS: South side of range, road past Vista Peak, near Highway 62. 218 Comment
  RSA716162  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-3-1 1127 San Bernardino Whipple Mountains: Across Parker Dam Road from Bass Point. Comment
  RSA716447  Ambrosia dumosa Sarah J. De Groot, Leland Lubinsky 2004-10-18 4574 San Bernardino WHIPPLE MOUNTAINS: South fork of Whipple Wash, about 1 mile above intersection with north fork. 463 Comment
  RSA718486  Ambrosia dumosa J. Mark Porter 2001-4-21 12556 San Bernardino Whipple Mountains: NW slope of Pyramid Butte Comment
  RSA718519  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Naomi Fraga 2003-5-4 2851 San Bernardino WHIPPLE MOUNTAINS: West slope at north end of Savahia Peak, mid to low elevation. 530 Comment
  RSA719005  Ambrosia dumosa Michael Honer 2006-5-13 2314 San Bernardino Appx. 3 mi. W of Flamingo Heights; along 4WD road travelling NW across bajada from main wash at Hondo St. (near NW corner of Yucca Valley North quad) 1250 Comment
  RSA720736  Ambrosia dumosa J. Mark Porter 2001-4-20 12478 San Bernardino Whipple Mountains: Just W of Colorado River, Copper Basin Dunes OHV area. Comment
  RSA720868  Ambrosia dumosa J. Mark Porter 2001-4-21 12601 San Bernardino Whipple Mountains: Wash along western boundary of BLM Wilderness area, S of D&W mine Comment
  RSA721150  Ambrosia dumosa J. Mark Porter 2001-4-20 12514 San Bernardino Whipple Mountains: Granite slope just SW of Gene Wash Reservoir. Comment
  RSA725150  Ambrosia dumosa Steve Boyd 2007-10-29 11792 San Bernardino Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. 915 Comment
  RSA725386  Ambrosia dumosa Steve Boyd 2007-11-1 11818 San Bernardino Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  RSA726314  Ambrosia dumosa Naomi Fraga, Aydee Virgen 2005-2-23 1461 San Bernardino North of Dumont Dunes, off of Dumont Dunes Road, east of Hwy 127. 220 Comment
  RSA732555  Ambrosia dumosa LeRoy Gross 2008-3-24 2934 San Bernardino Northcentral Mojave Desert region; Alvord Mountains: Southeast side of mountains along a main canyon just west of Spanish Canyon. Collected around an elevated lake sediment (tufa) east side of canyon, as far as a saddle near 35.07403N, 116.60715W., And a little north along the main canyon, pass where the canyon opens up with a fault line that runs in a northwest angle, near 35.08417N, 116.60613. Main starting point was near end of old road-trail near 35.07616N, 116.60862W. 716 Comment
  RSA732575  Ambrosia dumosa LeRoy Gross, Pamela Conway 2008-3-26 3006 San Bernardino Alvord Mine; Southern portion of the Alvord Mountains. About 6 miles northeast of Manix. 696 Comment
  RSA732618  Ambrosia dumosa LeRoy Gross 2008-3-12 2852 San Bernardino Northcentral Mojave Desert region: Sleeping Beauty Area of the Southern Cady Mountains: Northwest from Ludlow, follow road north from Ludlow toward Broadwell Lake, then west along a trasmission line to 34.74871N, 116.23546W., This area is a small hill with shaved off top of white outcrop. (prospect mined or disturbed for the power lines). Collected along wide canyon in a northwest direction from here, to 34.76817N, 116.25781. Area between Lavic Mountain Mine to the east and Paymaster Mine to the west. 633 Comment
  RSA735643  Ambrosia dumosa LeRoy Gross 2008-4-1 3097 San Bernardino Northwest end of the Sheep Hole Mountains; Along east side of Amboy Road, around Sheep Hole Pass. Parked at a tramission tower just off the road., Near 34.239282N, 115.720544W. General collecting along bajada to west side of mountains, up ridge to 34.23506N, 115.70664W. Then down south side of this ridge to dry canyon bottom at 34.23458N, 115.70953W. Then follow this canyon bottom back out of the mountains. 715 Comment
  RSA735785  Ambrosia dumosa J. Andre, Tasha La Doux, Shannon Still 2007-11-26 9395 San Bernardino Granite Mountains: growing in Old Dad Mtns Wash, W. side of Granite Mtns, E. end of Bristol Mtns, approx 1 mi. N. of I-40 989 Comment
  RSA736195  Ambrosia dumosa J. Andre 2007-11-19 9317 San Bernardino Bristol Mountains: approx 1 mi. S. of I-40, 0.5 mi. W of Kelbaker Rd, at base of Brown Buttes, upper Orange Blossom Wash. 823 Comment
  RSA738653  Ambrosia dumosa T. La Doux, Jim Andre 2008-1-12 174 San Bernardino Sheephole Mountains: NW corner of Sheephole Mtns, along dirt road just NE of Amboy Rd at Sheephole Pass 608 Comment
  RSA749414  Ambrosia dumosa LeRoy Gross 2009-4-6 3744 San Bernardino Southwest section of the Cady Mounatins: Areas North and east of Black Butte Mine, northwest of the Sleeping beauty section. Southeast of the transmission line road., Started near 34.81756N 116.34121W traveled SE to small saddle that had little amount of sand blowed on the slope to the east of this, near 34.80312N 116.33066W. Then west to Black Butte Mine, and follow a drainage NNE from the mine site. 755 Comment
  RSA750166  Ambrosia dumosa LeRoy Gross 2009-4-6 3761 San Bernardino Southern section of the Cady Mounatins: Northwest of the Sleeping Beauty section. Just north of the transmission line road, east of the low saddle that runs between the mountains., From 34.83717N 116.31488W, [from] near marker BM19 WBC2613 along transmission road to northwest near 34.84049N 116.32047W. 789 Comment
  RSA757044  Ambrosia dumosa Michael Honer 2008-3-24 2922 San Bernardino Outwash plain SW of Cady Mountains: 2.1 mi. N of Interstate 40, 2.5 mi. E of Hector Road. 637 Comment
  RSA757188  Ambrosia dumosa Michael Honer, Johanna Kisner 2008-4-8 2938 San Bernardino South edge of Johnson Valley: near Old Woman Springs; Arrastre Creek, about 0.75 mi. S of Highway 247. 976 Comment
  RSA757417  Ambrosia dumosa Michael Honer, Marc Baker 2008-4-24 3085 San Bernardino Johnson Valley: appx. 3.5 mi. SE of Old Woman Springs, on S side of Highway 247. 976 Comment
  RSA760824  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-13 212 San Bernardino Copper City Rd. S of Dobson Rd. Superior Cronese ACEC. 1037 Comment
  RSA760978  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-12 201 San Bernardino Johnson Valley OHV Area. Bessemer Mine Rd to Rock Pile Staging Area. 1006 Comment
  RSA760980  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-8 127 San Bernardino Big Morongo Canyon Preserve. 1/2 along Yucca Ridge Trail from rightside trail start. 831 Comment
  RSA761042  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-7-8 339 San Bernardino Bighorn Mtn Wilderness. San Bernadino Mtns. Rattlesnake Canyon. Site #2. 1280 Comment
  RSA761089  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-7-22 413 San Bernardino Cadiz Valley. 4 miles N of Hwy 62 on Cadiz Rd. 244 Comment
  RSA761094  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-27 225 San Bernardino Turtle Mtns Wilderness. Turtle Mtn Road. 488 Comment
  RSA761097  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-26 220 San Bernardino Whipple Mtns Wilderness. SW side of Whipple Mtns, just north of the Colorado River Aquaduct. 304 Comment
  RSA761291  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-6-22 243 San Bernardino Bighorn Mtn Wilderness. Ruby Mtns. New Dixie Mine Rd. 1189 Comment
  RSA765659  Ambrosia dumosa J. Andre 2010-4-7 12459 San Bernardino Piute Mountains; along transmission line road in valley east of N. Piute Mtns and west of N. Sacamento Mtns, 3 mi. south of Route 66 (Natl. Tails Hwy), 2 mi. N. of I-40 freeway. 650 Comment
  RSA768341  Ambrosia dumosa J. Andre 2010-5-19 14662 San Bernardino Cima Dome; Mojave National Preserve; southwest of Cima dome along Mojave Road at Cedar Wash, 0.4 miles northwest of Kelbaker Road Junction with Cedar Canyon Road, approx. 13 miles northeast of Kelso. 1080 Comment
  RSA769445  Ambrosia dumosa J. Andre 2010-5-26 14617 San Bernardino Clark Mountain Range; Mojave National Preserve: along dirt road to Pachalka Spring (NNW of Pachalka Spr), approx. 2.5 miles from Excelsior Mine Road, 6 miles north-northeast of Valley Wells 1245 Comment
  RSA769849  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-6-8 228 San Bernardino Cady Mtn Wilderness. Powerline Rd. Site #2. 701 Comment
  RSA772035  Ambrosia dumosa Sarah J. De Groot, Mary Motheral 2010-4-23 6256 San Bernardino Calumet Mountains: SE side, isolated hill of granite boulders. N of Hwy 62 along road to salt evaporators on Cadiz Lake. 347 Comment
  RSA772258  Ambrosia dumosa Sarah J. De Groot, Mary Motheral 2010-4-24 6329 San Bernardino Whipple Mountains: Saddle between drainages below cove, NE of highest peak along summit ridge. 841 Comment
  RSA774031  Ambrosia dumosa Laney Widener 2011-5-2 6 San Bernardino North side of Chemehuevi Mountains along Highway 95 and at route NS 0276- going south down the wash 484 Comment
  RSA774344  Ambrosia dumosa Duncan S. Bell, The California Wilderness Coalition 2011-4-3 2152 San Bernardino The Soda Mountains; collecting in the vicinity of Blue Bell Mine. 840 Comment
  RSA776197  Ambrosia dumosa Amber Swanson 2011-4-1 326 San Bernardino Sand dunes near Cronese Dry Lake. 330 Comment
  RSA776761  Ambrosia dumosa Amber Swanson 2011-4-9 387 San Bernardino SW side of Iron Mtns. 382 Comment
  RSA777462  Ambrosia dumosa J. Andre 2010-9-18 14902 San Bernardino Ivanpah Valley; Mojave National Preserve; along transmission line road 2.4 miles SW of Nipton, in southeastern Ivanpah Valley 957 Comment
  RSA778945  Ambrosia dumosa Sarah J. De Groot, Leland Lubinsky, Sean Regalado, Jon Ancona 2011-3-20 6658 San Bernardino Chemehuevi Mountains: Trampas Wash, upstream from Parrish Spring, near west edge of mountains. At junction with another wash from the west. 687 Comment
  RSA779548  Ambrosia dumosa Sarah J. De Groot, Erin Tripp 2011-5-6 6702 San Bernardino Sheep Hole Mountains, SW Mojave Desert: East side of saddle east of Sheep Hole Pass, wash running ~N40 E, south of saddle. NE side of main ridge of the mountains. 765 Comment
  RSA781530  Ambrosia dumosa Duncan S. Bell 2010-5-1 872 San Bernardino Arica Mountains: northwest section of project area, approximately 11 air miles west of the ghost town of Rice, at the junction of Highway 62 and the aqueduct access road. 242 Comment
  RSA782872  Ambrosia dumosa J. Andre 2011-10-26 19170 San Bernardino Along Hwy 58, 18 mi. west of Barstow, 0.2 mi. N. or highway, 0.2 mi. E. of Harper Lake Rd. 690 Comment
  RSA782893  Ambrosia dumosa J. Andre 2011-11-16 19417 San Bernardino Colorado River Valley: along Needles Hwy east of Dead Mtns, 6.3 mi north of I-40 at Needles. 100 Comment
  RSA785023  Ambrosia dumosa Duncan S. Bell, Kim Clark, Tom Persons 2012-4-15 3377 San Bernardino The Calumet Mountains; southern section of this range in the Sheephole Valley Wilderness. Approximately 6.75 air miles northeast of Clarks Pass. 657 Comment
  RSA786628  Ambrosia dumosa Lois Goodman 1982-9-24 S.N. San Bernardino Ft. Irwin NTC, Military coordinates 304346 Comment
  RSA788742  Ambrosia dumosa Aaron C. Sedgwick, Joshua Paolini 2012-6-27 95 San Bernardino Hwy. 62 east of 29 Palms ~ 17 miles. North of Joshua Tree National Park. 600 Comment
  RSA78879  Ambrosia dumosa Philip A. Munz, Percy C. Everett 1952-5-30 17392 San Bernardino 7 miles north of Barstow 732 Comment
  RSA789477  Ambrosia dumosa Aaron C. Sedgwick, Joshua Paolini 2012-6-13 92 San Bernardino Off of Halloran Springs Rd., north of Hwy. 15 and north of Mojave National Preserve. 974 Comment
  RSA789478  Ambrosia dumosa Aaron C. Sedgwick, Joshua Paolini 2012-6-13 91 San Bernardino Western side of Hwy. 127 in a wash ~6 mi. north of Baker. 289 Comment
  RSA789751  Ambrosia dumosa David Fraker, Aaron Sedgwick 2012-5-8 95 San Bernardino Whitewater - South of Whitewater Cutoff on a narrow strip of land north of Hwy. 10 ~200 ft. 422 Comment
  RSA790040  Ambrosia dumosa David Fraker, Aaron Sedgwick 2012-3-22 21 San Bernardino Palen Mtns. - Travel north on Highway 177 to Coxcomb Mountain Rd. Head east on Coxcomb Mountain Rd. ~8 mi. 376 Comment
  RSA790041  Ambrosia dumosa David Fraker, Aaron Sedgwick 2012-3-22 20 San Bernardino Chuckwalla Valley - South of Joshua Tree National park on both sides of Highway 177. North of Highway 10 ~5 mi. South of the Desert lily Sanctuary ~3 mi. 183 Comment
  RSA790973  Ambrosia dumosa Aaron C. Sedgwick, David Fraker 2012-4-23 56 San Bernardino South of 29 Palms Highway 62, approximately 14 mi. east of Twentynine Palms. 600 Comment
  RSA793270  Ambrosia dumosa Aaron C. Sedgwick, April Garbat 2012-10-16 137 San Bernardino North of Rice Valley on Hwy. 62 ~4 mi. east of Rice. 302 Comment
  RSA793432  Ambrosia dumosa J. Andre, Glenn L. Clifton 2011-12-1 20560 San Bernardino Chemehuevi Mtns.: NW end of range at Lobecks Pass, 0.2 mi east of Hwy 95 11.4 mi south of Needles (at I-40). 476 Comment
  RSA794096  Ambrosia dumosa J. Andre, Rufous 2011-10-12 21458 San Bernardino Granite Mtns: Mojave National Preserve. Lower Willow Springs Basin at base of eastern fork. 1171 Comment
  RSA796735  Ambrosia dumosa J. Andre 2011-10-7 22567 San Bernardino Mojave National Preserve: along US Hwy 66 (Natl. Trails Hwy) just west of Goffs, north side of road. 777 Comment
  RSA797706  Ambrosia dumosa J. Andre 2012-4-24 23417 San Bernardino Granite Mountains; UC Granite Mountains Desert Research Center, along eastern flanks of range just south of Bunny Club, just north of Kissing Rocks. 1215 Comment
  RSA797772  Ambrosia dumosa J. Andre 2012-9-18 23138 San Bernardino Kingston Range: along Excelsior Mine Rd, approx. 18 mi N of Interstate 15, at SE end of range. 1036 Comment
  RSA799426  Ambrosia dumosa J. Andre 2012-8-30 23457 San Bernardino Piute Range; Mojave National Preserve; far south end of Piute Range, 0.8 miles west of powerline (Walter Road), approximately 5 miles south of Government Road, 8 miles north of Highway 66, 7 miles west of Highway 95. 886 Comment
  RSA799725  Ambrosia dumosa J. Andre 2012-8-30 23247 San Bernardino Fenner Valley; along BLM Road NS119, 0.6 miles south of Route 66, between the Clipper Mountains and Old Woman Mountains, just north of railroad tracks at big wash. 477 Comment
  RSA800983  Ambrosia dumosa Thomas Stoughton, Tom Chester, James Dillane, Dave Stith, Mike Crouse 2010-10-22 691 San Bernardino Bighorn Mountain Wilderness near Ruby Mountain, New Dixie Mine road approximately .4 miles west of highway 247. 1189 Comment
  RSA853  Ambrosia dumosa J. T. Howell 1927-6-12 111 San Bernardino Mojave Desert. Deadman's Point 914 Comment
  SBBG100372  Ambrosia dumosa W. L. Halvorson 1977-3-11 77 -158 San Bernardino between Twentynine Palms and Amboy, Sheep Hole Mtns 609 Comment
  SBBG105065  Ambrosia dumosa S. Boyd with T. Ross, W. Appleby 1993-3-19 7838 San Bernardino S base of the Avawatz Range, on lower third of alluvial fan below Sheep Crk Springs Cyn. 200 Comment
  SBBG118966  Ambrosia dumosa J. M. Porter 2001-4-21 12601 San Bernardino Whipple Mtns, W boundary of BLM Wilderness area, S of D&W mine Comment
  SBBG119298  Ambrosia dumosa L. Gross with B. Tutt, S. Vanderplank 2005-2-23 1498 San Bernardino NW side of the Avawatz Mtns, off rd that leads to Cave Spring and Avawatz Pass, just N of Fort Irwin indefinite boundary, N of Denning Spring 604 Comment
  SBBG15646  Ambrosia dumosa D. Myrick 1962-5-28 611 San Bernardino Victorville to Palmdale, St Hwy 18, ca. 15 mi W of Victorville 914 Comment
  SBBG61670  Ambrosia dumosa R. Hoffmann 1928-2-9 San Bernardino 5 mi S of Saratoga Spring [Death Valley] Comment
  SBBG61671  Ambrosia dumosa R. Hoffmann 1929-4-4 San Bernardino Avawatz Mtns Comment
  SBBG92157  Ambrosia dumosa D. F. Howe 1980-5-26 San Bernardino 1 mi E of Cima Bridge 1190 Comment
  SBBG94927  Ambrosia dumosa F. C. Vasek -Jul-1978 San Bernardino Music Valley, near Twentynine Palms, (site 14) Comment
  SD100208  Ambrosia dumosa James Henrickson 1978-5-6 16804 San Bernardino 19 miles east southeast of Barstow in Newberry Mountains; up canyon just west of Newberry. 609 Comment
  SD103509  Ambrosia dumosa Darley Howe 1978-5-29 San Bernardino Barstow 640 Comment
  SD128725  Ambrosia dumosa Darley F. Howe 1980-5-26 San Bernardino 1 mile east of Cima Bridge 1189 Comment
  SD132273  Ambrosia dumosa F. C. Vasek Jul 1978 San Bernardino Music Valley, near 29 Palms. Comment
  SD136929  Ambrosia dumosa Steve Boyd, Tim Ross, Walter Appleby 1993-3-19 7838 San Bernardino Southern base Avawatz Range, on the lower third of alluvial fan below Sheep Creek Springs Canyon 60 Comment
  SD185118  Ambrosia dumosa John F. Green, Nathan Moorhatch 2005-11-23 San Bernardino Southwest of 29 Palms Marine Corps Base, ca. 3.0 miles southeast of Yucca Valley. 1036 Comment
  SD202091  Ambrosia dumosa Christopher Christie 1996-12-29 7 San Bernardino In wash, Bullion Mountains/Sheephole Pass. 715 Comment
  SD218957  Ambrosia dumosa S. J. De Groot, Erin Tripp 2011-5-6 6702 San Bernardino Sheep Hole Mountains, SW Mojave Desert, east side of saddle east of Sheep Hole Pass, wash running ~N40 E., south of saddle; northeast side of main ridge of the mountains. 765 Comment
  SD231187  Ambrosia dumosa LeRoy Gross, Steve Boyd, Michael Denslow & Lisa Rojas. 2003-10-21 1194 San Bernardino Mojave Desert; Northcentral Mojave Desert region; East side of the Soda Mountains; North of interstate 15, west of Baker. Along Blue Bell Mine jeep trail. Near intersection with 2nd jeep trail, in an east direction, just north of the powerlines. 480 Comment
  SD240271  Ambrosia dumosa J. M. Andre 2013-3-20 26139 San Bernardino Region: M; Sacramento Mountains about 15 mi. west of Needles, south of I-40, along gas pipeline road (BLM#NS061), southeastern Sacramento Mtns, at northern base of Flattop Mountain, approx 6 mi. east of major utility lines access road 636 Comment
  SD247567  Ambrosia dumosa R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, B. Tucker, R. K. Benjamin, et al 1976-10-30 48686 San Bernardino Granite Mountains, eastern Mojave Dessert: Southern, flat, sandy margin of Kelso Dunes. 793 Comment
  SD256673  Ambrosia dumosa J. M. Andre 2013-9-26 25840 San Bernardino Ivanpah Valley; Mojave National Preserve; west end of valley, 0;5 mile west of IvanpahRd., ca. 5.0 miles south of I-15, just south of MNP border. 856 Comment
  SD256674  Ambrosia dumosa J. M. Andre 2013-9-14 25562 San Bernardino Shadow Valley; along major powerline, 1.1 mile NW of Jct Cima Rd and Interstate 15 at Valley Wells, 0.4 mile west of Excelsior Mine Rd. 1116 Comment
  SD258848  Ambrosia dumosa Sarah J. De Groot 2016-3-22 7696 San Bernardino Clipper Mountains, S side, just W of Bonanza Spring; road NS 206 ca. 3 miles NW of Highway 66; South of interstate 40, northwest of Danby, west-southwest of Essex; Collection of slopes above spring and wash west of it; Slope generally facing southeast 641 Comment
  SD268849  Ambrosia dumosa Sarah J. De Groot, Linda Worlow 2016-3-30 7732 San Bernardino North side of SE tip of funeral mountains; NW of Death Valley Junction, W of Highway 127, N of Bat Mountain 4950, W of Bat Mountain 3279; Amargosa River drainage; Slope 5 degrees facing N18W; Rocky wash of boulders and gravel, and rock-strewn bajada 786 Comment
  SD5999  Ambrosia dumosa unknown 1933-5-29 San Bernardino Stoddard Wells, 14 miles north of Victorville Comment
  SDSU11447  Ambrosia dumosa Mary Dellavalle 1995-4-10 10 IV95I San Bernardino 20.6 miles from junction of Johnson and Stoddard Wells Rd. on Stoddard Wells Rd. between Victorville and Barstow CA. 1000 Comment
  SDSU18098  Ambrosia dumosa Judy Newhauser 1982-4-18 San Bernardino Lava Wash, MCAGCC Twentynine Palms, CA 217 Comment
  SEINET10882136  Ambrosia dumosa John R. Stone, Sharon A. Bodine 2000-4-4 Stone 2857 San Bernardino Ca. 10 km west of Rt. 62/ Rt. 177 junction on Rt. 62. Desert scrub. Mojave Desert. 540 Comment
  SEINET1906838  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Lauren Machen 2003-1 3255 San Bernardino Whipple Mountains: Wash beside Atchison, Topeka, and Santa Fe Railroad tracks, just E of Vidal and Highway 95. 176 Comment
  SEINET1906850  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter 2003-1 3225 San Bernardino Whipple Mountains: Along Highway 95 between Vidal Junction and Vidal. 239 Comment
  SEINET1906889  Ambrosia dumosa Sarah J. De Groot, J. mark Porter, Naomi Fraga 2003-1 2851 San Bernardino Whipple Mountains: West slope at north end of Savahia Peak, mid to low elevation. 530 Comment
  SEINET1908292  Ambrosia dumosa Sarah De Groot, J. mark Porter, Maomi Fraga, Lauren Machen 2003-1 2636 San Bernardino Whipple Mountains: SE side along aquaduct road, SW of Bowman's wash. 377 Comment
  SEINET1908310  Ambrosia dumosa Sarah J. De Groot 2004-1 3886 San Bernardino Whipple Mountains: South side of range, road past Vista Peak, near Highway 62 218 Comment
  SEINET1908399  Ambrosia dumosa Sarah J. De Groot, Angela Gatto 2003-1 2488 San Bernardino WHIPPLE MOUNTAINS: Bluff northwest of Monument Peak, south side of Copper Basin. Saddle near summit. 719 Comment
  SEINET1908484  Ambrosia dumosa Sarah J. De Groot, Angela Gatto 2003-1 2454 San Bernardino WHIPPLE MOUNTAINS: Old road heading west from Copper Basin, off Bowman's wash road. 421 Comment
  SEINET1909471  Ambrosia dumosa Sarah De Groot, Tasha LaDoux 2003-1 2989 San Bernardino Whipple Mountains: West side of range, along olf Needles-Parker road. Dark volcanic bluff east of road and course sandy wash. 476 Comment
  SEINET1909521  Ambrosia dumosa Sarah De Groot, Lee DeGroot 2003-1 2209 San Bernardino Whipple Mountains: Chemehuevi Wash at junction with Highway 95, north of Vidal Junction. 335 Comment
  SEINET1909647  Ambrosia dumosa Sarah J. De Groot, Lee DeGroot 2003-1 2192 San Bernardino Whipple Mountains: Wash along highway 95 about 6 miles N of Vidal Junction, W of Savahia Peak. 358 Comment
  SEINET1909847  Ambrosia dumosa Sarah J. De Groot, J. Mark Porter, Naomi Fraga, Lauren Machen 2003-1 2703 San Bernardino Whipple Mountains: S/SE side along aqueduct road, SW of Bowman's wash 298 Comment
  SEINET1956177  Ambrosia dumosa Marc A. Baker, Shawn Johnston 2010-4-12 17041 San Bernardino Cady Mountains, 57km east of Barstow, 9km north of Pisgah Crater 765 Comment
  SEINET2043629 Image available Ambrosia dumosa Bruce D. Parfitt 1985-4-20 3339 San Bernardino About 13 mi. S. of Needles city limit on US Hwy. 95. 610 Comment
  SEINET2073814  Ambrosia dumosa R. Haberle 1998-5-8 109 a San Bernardino 9.2 miles N of Hinkley, CA, NW of Barstow , CA. 800 Comment
  SEINET2073815  Ambrosia dumosa R. Haberle 1998-5-8 109 a San Bernardino 9.2 miles N of Hinkley, CA; NW of Barstow CA. 800 Comment
  SEINET2080742  Ambrosia dumosa R. W. Scott, T. Ayers 1991-5-13 965 San Bernardino Granite Springs, 4.1 mi. N of I-40 on Kelbaker Rd. and 1.2 mi. W of Kelbaker Rd. past microwave station Comment
  SEINET2149243  Ambrosia dumosa J. G. Harris 2000-1 2805 San Bernardino Mojave Desert near Kelso. Comment
  SEINET3002938  Ambrosia dumosa G. Goodwin 2011-11-29 3235 San Bernardino NW of Needles, east side of the Dead Mountains about 1 mile west of River Bend Highway 240 Comment
  SEINET3004439  Ambrosia dumosa G. Rink, J. Andre, K. Christie 2010-4-10 9050 San Bernardino Mojave Desert, about 35 miles east of Barstow, south slopes of the Cady Mtns 762 Comment
  SEINET3011921 Image available Ambrosia dumosa A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36558 San Bernardino Mojave Desert: Cady Mountains, 3.5 mi. SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. (Broadwell Lake/Sleeping Beauty 7.5' Qs.). 579 Comment
  SEINET3025478 Image available Ambrosia dumosa A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36560 San Bernardino Mojave Desert: Cady Mountains, 3.5 mi. SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. (Broadwell Lake/Sleeping Beauty 7.5' Qs.). 579 Comment
  SEINET3146794  Ambrosia dumosa M. E. Jones 1884-5-3 3806 San Bernardino The Needles Comment
  SEINET3197455  Ambrosia dumosa Marc A. Baker, with Shawn Johnston 2010-4-12 17041 San Bernardino Cady Mountains, 57km east of Barstow, 9km north of Pisgah Crater 765 Comment
  SEINET3523221 Image available Ambrosia dumosa Jim Andre 2010-3-23 12466 San Bernardino Mojave Desert: Bristol Mountains, along dirt road at large wash crossing 7 mi south of Hwy I-40, 0.5 mi west of Kelbaker Road. 480 Comment
  SEINET4558888  Ambrosia dumosa J. Andre 2012-1 23457 San Bernardino Piute Range; Mojave National Preserve; far south end of Puite Range, 0.8 mi. west of powerlive (Walter Road), approx. 8 mi. N. of Hwy 66. 7 mi west of hwy 95 Comment
  SEINET4558902  Ambrosia dumosa J. Andre 2012-1 23417 San Bernardino Granitic Mountains; UC Granite Mnts Desert Research Center, along eastern flanks of range just south of Bunny Club, just north of Kissing Rocks, in drainage among boulders. 1215 Comment
  SEINET4559160  Ambrosia dumosa J. Andre 2011-1 22567 San Bernardino Mojave National Preserve; along US Hwy 66 (Natl. Trails Hwy) just west of Goffs. north side of road. Comment
  SEINET4559171  Ambrosia dumosa J. Andre 2012-1 23138 San Bernardino Kingston Range; along Excelsior Mine Rd, approx. 18 mi N of interstate 15, at SE end of range. 1036 Comment
  SEINET4560232  Ambrosia dumosa J. Andre, Rufous 2011-1 21458 San Bernardino Granite Mountains; Mojave National Preserve; lower Willow Springs Basin at base of eastern fork. 1170 Comment
  SEINET5586180  Ambrosia dumosa J. Andre 2012-1 22617 San Bernardino Mojave National Preserve; along Essex Road, just south of Jct with Black Canyon Rd, 9.7 mi. north of Interstate 40. Quad: Colton Well. 896 Comment
  SEINET6800336  Ambrosia dumosa G. Goodwin 2015-3-17 4928 San Bernardino West side of Homer Mountain along the power-line road about 10 miles north of Goffs 823 Comment
  SEINET8507193 Image available Ambrosia dumosa Deidre Conocchiolo, Duncan S. Bell 2014-3-17 169 San Bernardino Just S of I-40 0.8 miles E of Newberry Springs off Quarry Road. 607 Comment
  SEINET952955  Ambrosia dumosa Sarah J. De Groot, Mark Porter, Naomi Fraga, Lauren Machen 2003-1 2786 San Bernardino Whipple Mountains. South side of range along Colorado River aqueduct west of Chamber's Well road. 285 Comment
  SFV15605  Ambrosia dumosa B. de Guzman May 1992 8 San Bernardino Mojave Desert Kel-Baker Road, 20 miles east of Interstate Highway 15. Comment
  SJSU11706  Ambrosia dumosa R. C. McGehee 1970-4-18 218 San Bernardino Amboy Road, 13 miles E of Twenty-nine Palms Comment
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Jun 18 2013
  UC1046467  Ambrosia dumosa A. D. Hawkes and R. Bacigalupi 1951-4-27 4919 San Bernardino on route 66 beyond Daggett; Mojave Desert Comment
  UC1118438  Ambrosia dumosa D. Axelrod 1935-4-28 311 San Bernardino 2 mi ne Fifteenmile Point; Deep Creek Quad. 914 Comment
  UC1303153  Ambrosia dumosa Roxana S. Ferris 1930-6-14 8009 San Bernardino below, (along the Mojave River) Daggett; Mojave River Comment
  UC1563604  Ambrosia dumosa F. C. Vasek 1978-5-8 San Bernardino Music Valley, ca 8 mi SE of Twenty-nine Palms; Twenty-nine Palms Comment
  UC1719690  Ambrosia dumosa Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11595 San Bernardino Mojave Desert; East Mojave Desert region; Ivanpah Valley, upper bajada at northeastern base of the Ivanpah Mountains, south of Interstate 15. Comment
  UC1719691  Ambrosia dumosa Steve Boyd, Michael Denslow 2004-3-23 10583 San Bernardino Mojave Desert; Central Mojave Desert region; Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  UC1751079  Ambrosia dumosa Annetta M. Carter, Ethel Crum, Elsie Osgood 1937-5-6 1284 San Bernardino Ridge E of summit of Mule Canyon, Calico Mts. Comment
  UC1928416  Ambrosia dumosa Steve Boyd 2007-11-1 11818 San Bernardino Mojave Desert; East Mojave Desert region; Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  UC1928620  Ambrosia dumosa Steve Boyd 2007-10-29 11792 San Bernardino Mojave Desert; East Mojave Desert region; Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. 915 Comment
  UC1980229  Ambrosia dumosa LeRoy Gross 2009-4-6 3744 San Bernardino Mojave Desert; Northcentral Mojave Desert region: Southwest section of the Cady Mountains: Areas North and east of Black Butte Mine, northwest of the Sleeping beauty section. Southeast of the transmission line road. Started near 34.81756N 116.34121W traveled SE to small saddle that had little amount of sand blowed on the slope to the east of this, near 34.80312N 116.33066W. Then west to Black Butte Mine, and follow a drainage NNE from the mine site. Comment
  UC1982074  Ambrosia dumosa S. J. De Groot with Mary Motheral 2010-4-23 6256 San Bernardino Calumet Mountains: SE side, isolated hill of granite boulders. N of Hwy 62 along road to salt evaporators on Cadiz Lake. Comment
  UC220209  Ambrosia dumosa Katharine Brandegee San Bernardino Barstow Comment
  UC303984  Ambrosia dumosa S. B. Parish 1918-5-3 11840 San Bernardino Hesperia; Mojave Desert Comment
  UC380590  Ambrosia dumosa Marcus E. Jones, A. M. 1884-5-3 3806 San Bernardino The Needles Comment
  UC472286  Ambrosia dumosa Joseph Grinnell 1910-5-10 San Bernardino near, (in dry sandy valleys, Colorado River) Pilot Knob; Colorado River Comment
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Jan 8 2013
  UC476961  Ambrosia dumosa Mrs. G. Earle Kelly 1932-3-22 San Bernardino Barstow Comment
  UC667465  Ambrosia dumosa Annie M. Alexander and Louise Kellogg 1940-4-25 1218 San Bernardino canyon on n side Whipple Mts. 304 Comment
  UC675861  Ambrosia dumosa Bell and Gustafson 1941-5-17 5 San Bernardino area adjacaent to Mojave Desert 914 Comment
  UC68916  Ambrosia dumosa H. M. Hall 1905-5-1 6103 San Bernardino Ash Hill; Mohave Desert Comment
  UC912235  Ambrosia dumosa Herbert L. Mason 1926-4-28 3096 San Bernardino Box S Ranch Comment
  UCD128790  Ambrosia dumosa K. Esau 1935-6-21 s.n. San Bernardino Road to Adelanto Comment
  UCD128794  Ambrosia dumosa C. F. Lackey 1935-3-21 8 San Bernardino Morongo. Comment
  UCD128800  Ambrosia dumosa Gordon Pilone 1960-10-3 52 San Bernardino 0.75 mile north of Ranger Station in San Antonio Canyon on old road. San Gabriel Mountain Range. 762 Comment
  UCD128801  Ambrosia dumosa Burt Ray 1952-10-25 s.n. San Bernardino Lucerne Valley. Comment
  UCD128807  Ambrosia dumosa Scott. D. White 1995-4-6 2778 San Bernardino Southeast Mojave Desert. Cadiz Road, just N of Highway 62. 260 Comment
  UCD38403  Ambrosia dumosa B. Crampton 1955-4-26 2607 San Bernardino 9 miles south of Barstow. Comment
  UCD47084  Ambrosia dumosa Ellen Dean; Jim Andre, T. Metcalf, D. Tibor, I. Anderson 2005-3-25 2312 San Bernardino SE of town of Ludlow, S of Hwy. 40, along National Trails Rd. (Route 66), 9.4 road miles E of intersection of Hwy 40 and Route 66 at Ludlow. Take dirt road S from Route 66 0.2 road miles. 569 Comment
  UCD55605  Ambrosia dumosa Ellen Dean; Tim Metcalf 2005-3-25 2336 San Bernardino South of Granite Mountains and Mojave National Reserve. Along Kelbaker Road, just south of intersection with Hwy. 40. East side of road. 822 Comment
  UCR104054  Ambrosia dumosa George K. Helmkamp 1998-4-4 3119 San Bernardino Mojave Desert, S edge of Cadiz Dry Lake, 13.1 mi. north of mile-marker 76 on Calif. hwy 62 (Twentynine Palms Hwy), east of Twentynine Palms 183 Comment
  UCR106315  Ambrosia dumosa Valerie Soza, K. Kramer 1998-6-25 328 San Bernardino San Bernardino Mtns, SE of Terrace Springs and west of Arrastre Creek 1402 Comment
  UCR107921  Ambrosia dumosa Christopher Christie 1996-12-29 7 San Bernardino Southern Mojave Desert, wash out of Bullion Mountains, vicinity of Sheephole Pass 715 Comment
  UCR112461  Ambrosia dumosa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-4 21971 San Bernardino Eastern Mojave Desert, Old Dad Mtns., wash north of Jackass Canyon and east of Old Dad Mtn., under SCE powerlines 732 Comment
  UCR114167  Ambrosia dumosa B. G. Pitzer 1998-11-14 3804 San Bernardino Eastern Mojave Desert, National Trails Hwy (Rte. 66), 9.9 road mi east of jct with Kelbaker Rd, & c. 1.8 rd mi. [east] of Chambless, 0.3 road mi. east of Cadiz Summit 244 Comment
  UCR121116  Ambrosia dumosa Tracy Tennant 1998-5-9 2 San Bernardino Mojave Desert, Iron Mountains, SW of Hinkley and c. 10 mi. (air) WSW of Barstow, off Iron Mountain Rd. 762 Comment
  UCR121887  Ambrosia dumosa Ian G. Gillespie 2001-5-12 89 San Bernardino Mojave Desert, c. 15 miles north-northeast of Barstow, near Goldstone bench mark, SE of Superior Dry Lake 1146 Comment
  UCR124076  Ambrosia dumosa George K. Helmkamp, Elizabeth Helmkamp 2000-4-4 5356 San Bernardino Colorado River, Beside the California-Arizona border near Topock, AZ. 152 Comment
  UCR127857  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2003-10-5 27278 San Bernardino Southern Mojave Desert, along Hwy 62 east of Twentynine Palms, c. 1 mile east of Old Dale 390 Comment
  UCR131105  Ambrosia dumosa George K. Helmkamp, E. A. Helmkamp 1998-5-3 3518 San Bernardino Eastern Mojave Desert, Mesquite Mtns, 3 mi. west of the Nevada border at Sandy Valley 1067 Comment
  UCR132958  Ambrosia dumosa A. C. Sanders 1989-3-19 9033 .3 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, east slope of Bullion Mountains, America Mine Training Range 915 Comment
  UCR134715  Ambrosia dumosa June Latting 1958-4-6 253 San Bernardino Mojave Desert, Old Dale Road, 8 miles southeast of 29 Palms 488 Comment
  UCR135895  Ambrosia dumosa A. C. Sanders, Kent Beaman 2004-4-21 27581 San Bernardino Mojave Desert, proposed 160 acre gravel quarry on Kane Wash, c. 0.5 mi. west of Fort Cady Road at a point 2 miles south of I-40, c. 5 miles (air) SE of Newberry Springs, between Troy Lake and the Rodman Mountains, east of the Newberry Mountains 575 Comment
  UCR144860  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 29006 San Bernardino Southern Mojave Desert, Cadiz Valley c. 19 miles north of Hwy 62, west of north end of Cadiz Lake, along dirt road up west side of valley toward Calumet Mine 192 Comment
  UCR145113  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 28962 San Bernardino Southern Mojave Desert, south end of the Sheephole Mtns. along Hwy 62, 2.8 miles west of Clarks Pass, 26.2 miles east of Utah Trail in Twentynine Palms 530 Comment
  UCR145774  Ambrosia dumosa A. C. Sanders, Mark A. Elvin 2004-10-10 28998 San Bernardino Southern Mojave Desert, Cadiz Valley c. 17 miles north of Hwy 62, west of Cadiz Lake salt evaporators, along dirt road up west side of valley toward Calumet Mine 210 Comment
  UCR147730  Ambrosia dumosa Steve Boyd, Tammy Morgan 2004-3-30 10710 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR148375  Ambrosia dumosa Steve Boyd, Michael Denslow 2004-3-23 10583 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  UCR151237  Ambrosia dumosa Steve Boyd, Et al. 2004-10-13 11595 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  UCR154043  Ambrosia dumosa D. W. Goodall 1968-4-14 s.n. San Bernardino Mojave Desert, 15 km north of Trona Comment
  UCR158443  Ambrosia dumosa E. J. Lawlor 1988-3-29 124 San Bernardino Mojave Desert, NE edge of Danby Dry Lake at intersection of Cadiz Road with southern powerline road 198 Comment
  UCR166831  Ambrosia dumosa John F. Green, Nathan Moorhatch 2005-11-23 s.n. San Bernardino Mojave Desert, SW of 29 Palms Marine Corps Base, c. 3 mi SE of Yucca Valley 1061 Comment
  UCR169002  Ambrosia dumosa Sarah J. De Groot, J. M. Porter 2003-9-28 3224 San Bernardino Sonoran (Colorado) Desert, WHIPPLE MOUNTAINS: Along Highway 95 between Vidal Junction and Vidal 239 Comment
  UCR175081  Ambrosia dumosa Andraya Gough 2005-4-23 13 San Bernardino Mojave Desert, west edge of town of Joshua Tree, corner of Hwy 62 and Sunny Vista Rd. 884 Comment
  UCR177603  Ambrosia dumosa LeRoy Gross 2005-4-25 2052 San Bernardino Northern Mojave Desert, southwest end of the Lava Mtns, north of Red Mountain, east of Trona Road. Side road off Steam Well Road (RM1444) to Skilling Well; road ends near mines. Along the lower ridge that climbs toward Kilinker Mtn., then down a small draw to the west of this ridge 1191 Comment
  UCR185106  Ambrosia dumosa LeRoy Gross, Amber Maurice 2005-3-17 1727 San Bernardino Southcentral Mojave Desert, SE end of the Bristol Mtns; west of Kelbaker Road, base of mountain where the road was gated, near 'Windy Point.' Canyon bottom and slope west of gate 611 Comment
  UCR185120  Ambrosia dumosa Michael Honer 2006-5-13 2314 San Bernardino Southcentral Mojave Desert, Aprox. 3 mi. west of Flamingo Heights; along 4WD road traveling NW across bajada from main wash at Hondo St 1250 Comment
  UCR198303  Ambrosia dumosa LeRoy Gross, Steve Boyd, Michael Denslow, Lisa Rojas 2003-10-21 1194 San Bernardino Northcentral Mojave Desert, east side of the Soda Mountains, north of Hwy I-15, west of Baker. Along jeep trail to Blue Bell Mine, Zzyzx Road exit 481 Comment
  UCR200407  Ambrosia dumosa Jim Andre 2007-11-19 9317 San Bernardino Mojave Desert, Bristol Mountains, upper Orange Blossom Wash c. 1 mi south of Hwy I-40, 0.5 mi west of Kelbaker Road at base of Brown Buttes 823 Comment
  UCR200514  Ambrosia dumosa Jim Andre, T. La Doux, Shannon M. Still 2007-11-26 9395 San Bernardino Mojave Desert, Granite Mountains, Old Dad Mountain wash, west side of Granite Mountains, east end of Bristol Mountains c. 1 mi north of Hwy I-40 989 Comment
  UCR200519  Ambrosia dumosa Jim Andre, T. La Doux, Shannon M. Still 2007-11-26 9412 San Bernardino Mojave Desert, east side of Granite Mountains, mouth of Budweiser Canyon 1183 Comment
  UCR202429  Ambrosia dumosa Denise Woodard 1997-4-30 s.n. San Bernardino Mojave Desert, Yeager Corp. borrow pit site at Wild Wash Rd., east side of the I-15 Fwy c. midway between Victorville and Barstow. c. 12.5 mi. north of the Mohave River bridge at Victorville 930 Comment
  UCR210922  Ambrosia dumosa A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36558 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  UCR210944  Ambrosia dumosa A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36560 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  UCR211435  Ambrosia dumosa Jim Andre 2009-4-10 10167 San Bernardino Mojave Desert, Clipper Mountains; southwest end of the Clipper Mtns. at Tom Reed Mine area, at end of dirt road c. 4 miles N of Hwy 66 764 Comment
  UCR214797  Ambrosia dumosa Michael Honer, Johanna Kisner 2008-4-8 2938 San Bernardino Southcentral Mojave Desert, south edge of Johnson Valley, near Old Woman Springs, Arrastre Creek, c. 0.75 mi south of Hwy 247 976 Comment
  UCR215041  Ambrosia dumosa A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38264 San Bernardino Eastern Mojave Desert, Ivanpah Valley, near metamorphic hill emerging from alluvium below Clark Mountain, 2.5 km WNW of Primm Valley Golf Club, 4.4 km W of I-15 883 Comment
  UCR216606  Ambrosia dumosa Jim Andre 2010-4-23 13740 San Bernardino Eastern Mojave Desert, Granite Mountains, Mojave National Preserve, along powerline road c. 6 miles SW of Kelso Dunes at Budweiser Wash 591 Comment
  UCR217723  Ambrosia dumosa Jim Andre 2010-4-18 13097 San Bernardino Mojave Desert, Piute Valley, Mojave National Preserve, along Mojave Road (Old Government Road), at Piute Pass summit 1022 Comment
  UCR218494  Ambrosia dumosa Jim Andre 2010-4-7 12459 San Bernardino Eastern Mojave Desert, Piute Range, along transmission line road in valley east of northern Piute Mtns. and west of northern Sacramento Mtns., 3 miles south of Route 66 (Natl. Trails Hwy), 2 miles north of I-40 Fwy 650 Comment
  UCR218501  Ambrosia dumosa Jim Andre 2010-3-23 12466 San Bernardino Mojave Desert, Bristol Mountains, along dirt road at large wash crossing 7 mi south of Hwy I-40, 0.5 mi west of Kelbaker Road 480 Comment
  UCR218565  Ambrosia dumosa Jim Andre 2010-4-27 12764 San Bernardino Eastern Mojave Desert, Ivanpah Valley, southeastern end of valley c. 3.2 miles north of Nipton on west side of RR tracks 866 Comment
  UCR218778  Ambrosia dumosa Jim Andre 2010-4-7 12446 San Bernardino Eastern Mojave Desert, Mojave National Preserve, northeast end of Piute Range at foot of mountains along Old Homestead Road (historic), c. 6 mi west of Hwy 95 and 0.9 mi west of the Nevada border 820 Comment
  UCR224897  Ambrosia dumosa Jim Andre 2010-5-14 15186 San Bernardino Mojave Desert, Ivanpah Valley, 0.2 mi south of Nipton Road, c. 5 mi west of Nipton, 1 mi east of Ivanpah Road 803 Comment
  UCR225042  Ambrosia dumosa Jim Andre 2010-10-9 14985 San Bernardino Colorado River Valley, west side of Colorado River along River Road, 2 mi south of Avi Resort Hotel, c. 9 mi north of Needles 153 Comment
  UCR227021  Ambrosia dumosa Tasha La Doux, Jim Andre, Ron B. Kelley 2011-3-24 589 San Bernardino Mojave Desert, Clipper Mountains, north of Tom Reed Mine, 6.5 mi north of Hwy 66 at Danby Road 743 Comment
  UCR227303  Ambrosia dumosa Jim Andre 2011-3-17 16020 San Bernardino Colorado River Valley, along north side of Hwy I-40 just southeast of West Park Road exit, along old Natioal Trails Hwy, c. 2.0 mi northwest of Needles 176 Comment
  UCR227442  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-7-22 413 San Bernardino Mojave Desert; East Mojave Desert, Cadiz Valley. 4 miles N of Hwy 62 on Cadiz Road 244 Comment
  UCR227453  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-7-8 339 San Bernardino Mojave Desert; Southcentral Mojave Desert, Bighorn Mtn Wilderness. San Bernardino Mtns. Rattlesnake Canyon. Site #2. 1280 Comment
  UCR227455  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-6-8 228 San Bernardino Mojave Desert; Northcentral Mojave Desert region, Cady Mtn Wilderness. Powerline Rd. Site #2 701 Comment
  UCR227463  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-6-22 243 San Bernardino Mojave Desert; Southcentral Mojave Desert, Bighorn Mtn Wilderness. Ruby Mtns. New Dixie Mine Rd. 1189 Comment
  UCR227702  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-5-13 212 San Bernardino Mojave Desert; Northcentral Mojave Desert region, Copper City Rd. S of Dobson Rd., Superior Cronese ACEC 1037 Comment
  UCR228411  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-5-27 225 San Bernardino Mojave Desert; East Mojave Desert, Turtle Mtns Wilderness. Turtle Mtn Road 488 Comment
  UCR228500  Ambrosia dumosa Sarah J. De Groot, Mary Motheral 2010-4-23 6256 San Bernardino Mojave Desert, Calumet Mountains, southeast side, isolated hill of granite boulders, north of Hwy 62 along road to salt evaporators on Cadiz Lake 347 Comment
  UCR228508  Ambrosia dumosa Sarah J. De Groot, Mary Motheral 2010-4-24 6329 San Bernardino Mojave Desert, Whipple Mountains, saddle between drainages below cove, northeast of highest peak along summit ridge 841 Comment
  UCR228634  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-11 201 San Bernardino Mojave Desert, Johnson Valley OHV area, Bessemer Mine Road to Rock Pile staging Area 1006 Comment
  UCR228636  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-8 127 San Bernardino Little San Bernardino Mountains, Big Morongo Canyon Preserve, 1/2 mi up Yucca Ridge Trail from rightside trail start 831 Comment
  UCR228642  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-5-26 220 San Bernardino Colorado Desert; Northeastern Colorado Desert, Whipple Mtns Wilderness. SW side of Whipple Mtns, just across the Colorado River Aqueduct 304 Comment
  UCR235798  Ambrosia dumosa Jim Andre 2011-5-10 18154 San Bernardino Mojave Desert, along dirt road at north end of Mesquite Mountains, c. 5 mi west of Excelsior Mine Road and the Kingston Range, and c. 6 mi west northwest of Mesquite Lake 923 Comment
  UCR244353  Ambrosia dumosa Jim Andre 2011-10-26 19170 San Bernardino Western Mojave Desert, along Hwy 58, 18 mi. west of Barstow, 0.2 mi. north of highway, 0.2 mi. E. of Harper Lake Rd 690 Comment
  UCR244869  Ambrosia dumosa Jim Andre 2011-5-1 21163 San Bernardino Eastern Mojave Desert, Mojave National Preserve; NE foothills of Providence Mtns, along Globe Mine Rd 3.1 mi. SE of junction with Cima Rd. 1018 Comment
  UCR246334  Ambrosia dumosa Jim Andre, G. L. Clifton 2011-12-1 20560 San Bernardino Northern Sonoran (Colorado) Desert, NW end of Chemehuevi Mountains at Lobecks Pass, 0.2 mi. east of Hwy 95, 11.4 mi. south of Needles (at I-40) 476 Comment
  UCR253397  Ambrosia dumosa Jim Andre 2012-9-18 23138 San Bernardino Eastern Mojave Desert, Kingston Range, along Excelsior Mine Road, c. 18 mi north of Hwy I-15, at southeast end of range 1036 Comment
  UCR25480  Ambrosia dumosa K. Simmons 1979-5-4 s.n. San Bernardino Mojave Desert, Frontage Road along Hwy I-40, 24 mi east of Newberry Springs 459 Comment
  UCR262930  Ambrosia dumosa Sarah J. De Groot, Cheryl Sevilla 2014-10-20 7351 San Bernardino Southeast Vidal Valley, along powerline road west-southwest of Hwy 95 just southwest of Vidal Wash, 0.6 mi west-southwest from Hwy 95, 1.3 air mi south of Vidal, about 5 air mi west of the Colorado River. Northern bajada of the Riverside Mountains 189 Comment
  UCR268993  Ambrosia dumosa Jim Andre 2014-2-20 27112 San Bernardino Mojave Desert, Avawatz mountains, northern base of range, at Saratoga Springs Road junction iwth Sheep Creek Spring Road, 2.0 mi west of Hwy 127, 30 mi north of Baker 109 Comment
  UCR275144  Ambrosia dumosa Aaron C. Sedgwick, David Fraker 2012-4-23 056 San Bernardino Southcentral Mojave Desert, south of Twentynine Palms Hwy 62, c. 14 miles east of Twentynine Palms 600 Comment
  UCR277624  Ambrosia dumosa Aaron C. Sedgwick, April Garbat 2012-10-16 137 San Bernardino Mojave Desert, north of Rice Valley on Hwy 62, c. 4 miles east of Rice 302 Comment
  UCR279173  Ambrosia dumosa Onkar Singh 2016-4-23 5754 San Bernardino Mojave Desert, Fort Irwin National Training Center 864 Comment
  UCR30838  Ambrosia dumosa A. C. Sanders 1983-6-11 3840 San Bernardino Eastern Mojave Desert, Winters Pass, Mesquite Mts, 40 air mi. NE of Baker 1223 Comment
  UCR31227  Ambrosia dumosa A. C. Sanders 1983-4-23 03781 San Bernardino Sonoran (Colorado) Desert, Whipple Mtns., Whipple Wash where it joins the road to Havasu Landing, c. 0.5 mile below Willow Spring and 1.5 miles above Lake Havasu 168 Comment
  UCR33186  Ambrosia dumosa James Henrickson 1978-5-7 16963 San Bernardino Eastern Mojave Desert, 5 mi. north of Baker on Hwy 127 at Silver Dry Lake 612 Comment
  UCR33187  Ambrosia dumosa James Henrickson 1978-5-28 17310 San Bernardino Mojave Desert, c. 23 air mi. NW of Barstow, Black Canyon, W end Black Mtns. 793 Comment
  UCR37502  Ambrosia dumosa George K. Helmkamp 1984-4-20 840420- 33 San Bernardino Little San Bernardino Mountains, Big Morongo Preserve of The Nature Conservancy, south of the town of Morongo Valley in Big Morongo Canyon 765 Comment
  UCR51278  Ambrosia dumosa George K. Helmkamp 1988-4-29 s.n. San Bernardino Eastern Mojave Desert, Fenner Valley between Hackberry Mtns & Vontrigger Hills, 11.3 mi NNW of Goffs 1100 Comment
  UCR51712  Ambrosia dumosa E. J. Lawlor 1988-3-29 111 San Bernardino Eastern Mojave Desert, NE edge Danby Lake and washes on Cadiz Road, 3.5-5 mi. NW of Hwy 62 198 Comment
  UCR52419  Ambrosia dumosa David Charlton, A. Romsport 1988-6-14 2153 San Bernardino Eastern Mojave Desert, Hart Mine, southern Castle Mtns, east of New York Mtns., north of Lanfair Valley 1600 Comment
  UCR63916  Ambrosia dumosa Frank C. Vasek 1978-5-8 s.n. San Bernardino Southern Mojave Desert, Music Valley, c. 8 mi SE of Twentynine Palms 610 Comment
  UCSB10225  Ambrosia dumosa Long, Frances 1937-5-1 San Bernardino Ibex Pass-Mojave Desert Comment
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May 27 2013
  UCSB11702  Ambrosia dumosa McMillan, Ann 1962-4-2 San Bernardino By roadside of Route 66, 12 miles west of Amboy 365 Comment
  UCSB32798  Ambrosia dumosa Simmons, K. 1979-5-4 San Bernardino Frontage Road along Hwy. 40, 24 miles east of Newberry Springs 457 Comment
  VVC13  Ambrosia dumosa A. Louise Baartz 1969-5-22 s.n. San Bernardino Mojave Desert, 12 miles east of Victorville off Bear Valley Road. 921 Comment
  CAS-BOT-BC22365  Ambrosia dumosa W. G. Wright 766 San Bernardino San Bernardino County Comment
  CAS-BOT-BC22619  Ambrosia dumosa J. Beley 1974-4-9 585 San Bernardino Center Line of Sections 21 & 22 Comment
  GMDRC21  Ambrosia dumosa K. C. Hart 1978-5-3 29 San Bernardino Granite Mountains: On sandy-gravelly bajada adjoining west edge of Sheep Corral, c. 3400 1037 Comment
  GMDRC321  Ambrosia dumosa J. Evens 1988-4-19 28 San Bernardino Sweeney Granite Mountains Desert Research Center: At base of mountain, c. 4000 1220 Comment
  GMDRC833  Ambrosia dumosa M. Lopez, J. Andre 2000-4-15 6 San Bernardino Marble Mtns: Marble Mtns: In large wash, 2 mi. south of I-40. T7N R12E NW1/4 sec. 13. Elev. 3000 Feet. 915 Comment
  IRVC9312  Ambrosia dumosa Roy Yarnell 1966-4-16 154 San Bernardino Along State Highway #2 towards Julian. (San Diego County???) Comment
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Oct 7 2015
  JEPS40935  Ambrosia dumosa unknown San Bernardino Comment
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Jul 22 2010
  JOTR01262  Ambrosia dumosa Cole, James E. 1941-4-5 476 San Bernardino Joshua Tree National Park. FORTYNINE PALMS CANYON 609 Comment
  RSA0035769  Ambrosia dumosa Sharon Kautto 1984-5-5 84 -34 San Bernardino Providence Mountains area. Intersection of Essex Road and Black Canyon Road headed towards Hole-In-The-Wall. Comment
  RSA0055748  Ambrosia dumosa R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, B. Tucker, R. K. Benjamin 1976-10-30 48686 San Bernardino Granite Mountains, eastern Mojave Desert: Southern, flat, sandy margin of Kelso Dunes. 793 Comment
  RSA0055821  Ambrosia dumosa Doris Bowers 1971-4-10 1663 San Bernardino Coyote Hole Wash, s/o Joshua Tree. Mojave Desert 838 Comment
  RSA0127863  Ambrosia dumosa G. Rink 2014-3-31 12482 San Bernardino Johnson Valley, west of the Bessemer Mine Road. 920 Comment
  RSA272722  Ambrosia dumosa James Henrickson 1978-5-28 3 San Bernardino Black Canyon, W end Black Mtn, ca. 23 air mi. NW of Barstow. 793 Comment
  SEINET10816180  Ambrosia dumosa David B. Dunn 1949-5-14 Dunn 5599 San Bernardino Found 2 miles south of Hodge, 13 miles south of Barstow. Comment
  SEINET11836221  Ambrosia dumosa H. E. Ahles 1955-1 8606 San Bernardino Needles Comment
  SEINET11842726  Ambrosia dumosa R. T. Schuh, Massie, B. M. 1985-1 San Bernardino St. Rt. 247, 26.7 mi S of Barstow 1000 Comment
  SEINET6809426  Ambrosia dumosa John Thieret, Brandenburg, David 1982-6-6 53104 San Bernardino 11 mi E of Lucerne Valley Hwy 247; Hwy 247; 11 mi E of Lucerne Valley Comment
  SEINET788334  Ambrosia dumosa M. E. Jones 1884-1 3806 San Bernardino The Needles Comment
  SEINET8062486 Image available Ambrosia dumosa Deidre Conocchioli, Billy Sale 2014-3-26 301 San Bernardino Along Afton Road 3.4 miles NW of I-15. N of Dunn. 572 Comment
  RSA764993  Franseria dumosa Doris Bowers 1966-4-6 536 San Bernardino Mojave Desert, Calico Mtns., Calico Dig SBCM 579 Comment
  SEINET2028597 Image available Franseria dumosa Marcus E. Jones, A. M. 1884-5-3 3806 San Bernardino Needles Comment



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