Search Results — 336 specimen records retrieved (316 records with coordinates)
Results for search: County=RIVERSIDE; Scientific name=Ambrosia dumosa (including nomenclatural synonyms); Source=All;   More information: Jepson Online Interchange
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC22377  Ambrosia dumosa I. Johnston 1917-4-4 1034 Riverside Mouth of Andreas Canyon 243 Comment
  CAS-BOT-BC22382  Ambrosia dumosa Howard E. McMinn 1924-7-5 1257 Riverside Oasis to Indio - Col(orado) Desert Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22578  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22579  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-30 3340 Riverside On highway 60, near Desrt Center Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22581  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside Near Mule Springs Comment
  CAS-BOT-BC22582  Ambrosia dumosa Donald W. Kyhos 1960-3-19 60 -6 Riverside Dillon Road 5 miles north of junction with US Highway 99 near Indio Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  CAS-BOT-BC22584  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-28 3297 Riverside Near the north end of Salton Sea, highway 111 Comment
  CAS-BOT-BC22585  Ambrosia dumosa F. H. Billings 1926-2-6 23 a Riverside near Palm Springs Comment
  CAS-BOT-BC22592  Ambrosia dumosa P. A. Munz; L. Street 1919-5-7 2733 Riverside Palm Springs 198 Comment
  CAS-BOT-BC22593  Ambrosia dumosa William S. Davis 1960-3-12 102 Riverside Box Canyon, 7.7 miles W of Junction with US Highway 60-70. Comment
  CAS-BOT-BC22594  Ambrosia dumosa M. McCollum 1976-6-10 2008 Riverside 4 mi. W of Desert Hot Springs 304 Comment
  CAS-BOT-BC22595  Ambrosia dumosa George B. Grant 6729 Riverside Palm Springs Comment
  CAS-BOT-BC22596  Ambrosia dumosa Lewis S. Rose 1957-1-9 57020 Riverside Palm Desert 91 Comment
  CAS-BOT-BC22597  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  CAS-BOT-BC22598  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  CAS-BOT-BC22599  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards E of spring Comment
  CAS-BOT-BC22600  Ambrosia dumosa P. H. Raven 1960-3-16 14843 Riverside 2.2 miles W of Desert Center Comment
  CAS-BOT-BC22601  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -328 Riverside Joshua Tree National Monument: about 2 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22603  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -330 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22605  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -332 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22606  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -333 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22607  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -334 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22609  Ambrosia dumosa J. T. Howell 1928-3-25 3538 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  CAS-BOT-BC22613  Ambrosia dumosa R. F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley Canyon Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  CAS-BOT-BC22615  Ambrosia dumosa W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  CAS-BOT-BC22616  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside Along eastern side of the Salton Sea, 2.7 miles S of Mortmar Comment
  CAS-BOT-BC22617  Ambrosia dumosa B. D. Stark 1941-3-24 1492 Riverside San Gorgonio Pass 457 Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  CDA9983  Ambrosia dumosa C. R. Tower Jun 1953 Riverside East of Desert Center. 0 Comment
  CHSC8082  Ambrosia dumosa Edward L. Smith 1957-4-3 264 Riverside Located 1 mi. N of 29 Palms, Calif on Hwy. 99. San Bernadino Mtns. 91 Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  CHSC98019  Ambrosia dumosa LeRoy Gross 2005-3-3 1602 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Alt: 207-244m. 207 Comment
  CLARK-A1528-1535  Ambrosia dumosa John C. Roos 1937-4-18 1349 Riverside Snow Creek Comment
  CLARK-A1528-163  Ambrosia dumosa Sally Bell 1964-3-24 Riverside Thousand Palms 60 Comment
  CLARK-A1528-4996  Ambrosia dumosa John C. Roos 1948-4-24 3796 Riverside Whitewater Comment
  CLARK-A1528-5217  Ambrosia dumosa John C. Roos 1937-4-28 766 Riverside Hayfield Comment
  HSC47365  Ambrosia dumosa Richard Spjut, C. E. Edson 1978-5-6 5026 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  HSC66728  Ambrosia dumosa D. L. Goforth, D. Reed 1980-3-25 360 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  HSC79252  Ambrosia dumosa G. K. Helmkamp 1984-5-2 - 17 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  IRVC19740  Ambrosia dumosa J. T. Smiley 1983-4-9 19 Riverside Philip L. Boyd Deep Canyon Desert Research Center; student study area. northern Sonoran Desert Comment
  IRVC4397  Ambrosia dumosa Joseph Scott 1964-5-10 99 Riverside State Highway 74; 7 miles SE of Pinyon Flats Campground Peninsular Ranges, San Jacinto Mountains 915 Comment
  IRVC728  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-6-1 SJ 124 Riverside Palms to Pines Hwy, slope NE-30 degrees; open, very rocky, gneiss-gabbroic soil, suffrutescent desert Santa Rosa Mountains 915 Comment
  IRVC729  Ambrosia dumosa L. T. McHargue 1966-11-25 s.n. Riverside Coachella Valley; 0.5mi. E of Junction of Ramon Road and 1000 Palms Canyon Road northern Sonoran Desert Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  JEPS108703  Ambrosia dumosa C. Spurrier, M. J. Way 2001-6-14 6 Riverside Big Morongo Canyon Preserve, 5.6 km n of water company entrance on Kickapoo Trail 595 Comment
  JEPS30513  Ambrosia dumosa Donald Kyhos 1958-2-15 58 -11 Riverside Corn Springs Comment
  JEPS40956  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  JEPS40973  Ambrosia dumosa W. L. Jepson 1928-4-25 12588 Riverside The driest and most arid hills Cottonwood Spring; Colorado Desert, Joshua Tree National Monument, Eagle Mounta 731 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29388  Ambrosia dumosa La Doux, Tasha, Mike Bell 2006-5-10 1465 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR30065  Ambrosia dumosa La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1695 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  JOTR31808  Ambrosia dumosa La Doux, Tasha, Bill Truesdell 2007-11-9 2516 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  JOTR31877  Ambrosia dumosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2131 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  JOTR31948  Ambrosia dumosa La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2186 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  JOTR34211  Ambrosia dumosa Harding, Mitzi, Mark Wheeler 2012-9-4 191 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  JOTR35086  Ambrosia dumosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3537 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  JOTR36091  Ambrosia dumosa La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3318 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  JOTR38666  Ambrosia dumosa Hodges, Stephen R. 2017-2-1 672 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  LA202893  Ambrosia dumosa Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  LA202899  Ambrosia dumosa A. M. Johnson; 1928-5-5 351 Riverside Travertine Rock Comment
  LA202903  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA202905  Ambrosia dumosa S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  LA202907  Ambrosia dumosa Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  LA202908  Ambrosia dumosa A. M. Johnson; 1932-3-27 3906 Riverside below [S of] Palm Springs Comment
  LA202913  Ambrosia dumosa Marcus E. Jones; 1929-9-16 sn Riverside E of Desert Center Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  LA202918  Ambrosia dumosa A. M. Johnson; 1932-3-19 3874 Riverside below [S of] Palm Springs Comment
  LA202920  Ambrosia dumosa A. M. Johnson; 1933-4-28 4228 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  LA26697  Ambrosia dumosa William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  LA83357  Ambrosia dumosa O. H. Kappler; 1941-4-21 212 Riverside Morongo Pass Area, Desert City Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
Read comments
Sep 20 2013
  LA94844  Ambrosia dumosa T. A. Geissman; 1967-3-21 TAG- 32167 -ADUP Riverside from Cabazon to Palm Springs 304 Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  OBI17101  Ambrosia dumosa Tracey Call 1962-4-6 2115 Riverside 4 mi w of Desert Hot Springs at rd jctn Comment
  OBI17103  Ambrosia dumosa Robert F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley cyn Comment
  OBI23435  Ambrosia dumosa F. Seaman 1972-3-23 76 Riverside On outskirts of Palm Springs on US hwy 111 Comment
  OBI25271  Ambrosia dumosa F. Seaman 1971-4-9 35 e Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  OBI25272  Ambrosia dumosa F. Seaman 1971-4-9 35 c Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  POM14015  Ambrosia dumosa Philip A. Munz, D. D. Keck 1922-4-13 4934 Riverside Eagle Mountains 274 Comment
  POM195887  Ambrosia dumosa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  POM198001  Ambrosia dumosa Joseph A. Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet Comment
  POM250429  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Well Comment
Read comments
Apr 24 2011
  POM308538  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3157 Riverside Palm Springs Comment
  POM308631  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3218 Riverside Near Indio. Comment
  POM38893  Ambrosia dumosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM41493  Ambrosia dumosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM4810  Ambrosia dumosa Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  POM4817  Ambrosia dumosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  POM8399  Ambrosia dumosa Mary F. Spencer 1920-3-29 784 Riverside Palm Springs. Colorado Desert. 122 Comment
  POM8400  Ambrosia dumosa Mary F. Spencer 1920-4-7 784 -a Riverside Palm Canyon, Colorado Desert 183 Comment
  RSA0025663  Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit. Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles., Collection site on right (W) side of road. 177 Comment
  RSA0030752  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA0033750  Ambrosia dumosa Jim Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA0093751  Ambrosia dumosa Jim M. Andre 2012-4-11 20709 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA0112109  Ambrosia dumosa Duncan S. Bell, Amanda Turek 2009-3-30 190 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0121414  Ambrosia dumosa Duncan S. Bell, LeRoy Gross 2016-3-30 9184 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA1223  Ambrosia dumosa B. D. Stark 1930-4-1 773 Riverside San Gorgonio Pass. 457 Comment
  RSA191738  Ambrosia dumosa R. F. Thorne 1963-3-29 32401 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
Read comments
Dec 14 2011
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA23691  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA27571  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA289720  Ambrosia dumosa Lyman Benson 1933-3-31 4162 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA302651  Ambrosia dumosa J. R. Shevock 1972-3-13 1403 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA314630  Ambrosia dumosa R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55425 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA33503  Ambrosia dumosa N. C. Cooper 1944-4-8 1063 Riverside Andreas Canyon. 305 Comment
  RSA342534  Ambrosia dumosa R. F. Thorne, D. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54016 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA416960  Ambrosia dumosa Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA416961  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA416963  Ambrosia dumosa N. C. Cooper 1949-4-8 3234 Riverside Mecca Pass east of Indio. 548 Comment
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  RSA416965  Ambrosia dumosa Christopher Davidson 1979-4-4 7687 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA416966  Ambrosia dumosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA416967  Ambrosia dumosa A. Menke 1955-4-25 s.d. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
Read comments
Sep 10 2011
  RSA416969  Ambrosia dumosa M. B. Dunkle 1932-3-25 2900 Riverside Cathedral Canyon Comment
  RSA416971  Ambrosia dumosa Martha Hilend 1928-3-25 s.n. Riverside Painted Canyon. Comment
  RSA416972  Ambrosia dumosa P. J. Remple 1942-3-1 s.n. Riverside Dead indian Creek, Santa Rosa Mtns. Comment
  RSA457761  Ambrosia dumosa Steve Boyd, Timothy S. Ross, L. Arnseth, D. Nordin, Richard Noyes, S. Meury 1988-3-10 2124 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA568650  Ambrosia dumosa A. C. Sanders, E. J. Lawlor 1992-4-4 12092 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA597463  Ambrosia dumosa L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
Read comments
Mar 3 2013
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA614559  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 457 Comment
  RSA624016  Ambrosia dumosa Carol Roush 1963-4-9 9 Riverside Six miles south of Highway 111 on Highway 74; North-east foothills of the San Jacinto Mountains. 457 Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  RSA643465  Ambrosia dumosa A. C. Sanders, K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 550 Comment
  RSA650428  Ambrosia dumosa R. J. Silva 1949-2-20 s.n. Riverside Found 1000 Palm Canyon, 10 mi. west of Indio. Comment
  RSA650429  Ambrosia dumosa Marion P. Harthill 1973-2-17 1556 Riverside Snow Creek, Palm Springs 366 Comment
  RSA650430  Ambrosia dumosa David B. Dunn 1948-2-21 3687 Riverside [Pushawalla] Comment
  RSA650433  Ambrosia dumosa Marion P. Harthill 1971-3-19 37 Riverside Palm Desert. Comment
  RSA655079  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA668359  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA695719  Ambrosia dumosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA696738  Ambrosia dumosa J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  RSA696739  Ambrosia dumosa W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  RSA696750  Ambrosia dumosa J. Russell Bruff 1928-4-1 75 Riverside Whitewater Comment
  RSA696751  Ambrosia dumosa J. Russell Bruff 1927-3-13 3 -a Riverside Thousand Palms Comment
  RSA696752  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  RSA696754  Ambrosia dumosa J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
Read comments
Oct 30 2011
  RSA699673  Ambrosia dumosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA703807  Ambrosia dumosa LeRoy Gross 2005-3-3 1602 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA735398  Ambrosia dumosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11224 Riverside 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. Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA760806  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 157 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  RSA761044  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 152 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA761081  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 148 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  RSA761082  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 143 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  RSA766609  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 172 Riverside Mecca Hills Wilderness. Off Box Cannyon Rd (66th st) (Hwy 195). Campground E of Mecca. 198 Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  RSA766671  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 168 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
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May 26 2013
  RSA775936  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA776577  Ambrosia dumosa Amber Swanson 2011-4-8 369 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA777299  Ambrosia dumosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA777416  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 784 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA780229  Ambrosia dumosa Stephanie Rockwood, Christi Gabriel 2011-10-12 107 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA788980  Ambrosia dumosa Aaron C. Sedgwick, David Fraker 2012-3-28 25 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA792580  Ambrosia dumosa Aaron C. Sedgwick, Joella Simons Adkins 2012-11-8 161 Riverside Chuckwalla Valley - On DuPont Rd. The population is generally limited to within 30 ft. of the road. The population is scattered, but continues for several miles from the intersection with Chuckwalla Valley Rd. 168 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA796457  Ambrosia dumosa Duncan S. Bell 2009-4-18 219 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SBBG109173  Ambrosia dumosa D. Wilken with G. A. Wilken 1997-11-1 15372 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SBBG25177  Ambrosia dumosa Leota Davidson 1966-4-5 234 Riverside near intersection on Wyley Wells Rd, off Interstate 10 between Desert Center and Blythe, Chuckawalla Mts Comment
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Apr 5 2011
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  SBBG35061  Ambrosia dumosa T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SBBG7543  Ambrosia dumosa H. and M. Dearing 1936-12-25 2332 Riverside Thousand Palms Cyn Comment
  SBBG81836  Ambrosia dumosa J. Hogan 1975-5-29 83 Riverside ca. 2.5 mi N of Berdoo and Rockhouse Cyn jct, Joshua Tree Nat Monument 1072 Comment
  SBBG92823  Ambrosia dumosa D. Charlton 1988-2-18 1122 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD127613  Ambrosia dumosa David Charlton 1988-2-18 1122 Riverside South side of Little San Bernardino Mountains; Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park. 609 Comment
  SD143584  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 Riverside Coachella Valley, Palm Springs, southwest side of Highway 111, 1.3 miles southeast of Ovcerture Drive at foot of San Jacinto Mountains 274 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  SD229057  Ambrosia dumosa Dick Schwenkmeyer 2012-11-6 861 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SD233253  Ambrosia dumosa Aaron C. Sedgwick, Duncan Bell 2012-9-12 117 Riverside Mojave Desert; Southcentral Mojave Desert region: Rice Valley - Take Rice/Blythe Rd. south about 3 mi. from Hwy. 62, then head E on an unmarked BLM road. 235 Comment
  SD259964  Ambrosia dumosa J. M. Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. Sandy bluffs above Solo. River flood plain. 114 Comment
  SD30766  Ambrosia dumosa Edith A. Purer 1935-4-21 6455 Riverside Desert floor, western Colorado Desert. Comment
  SD5656  Ambrosia dumosa Mary S. Snyder 1895-4-1 Riverside Palm Springs [label uses old name, Palmetto Spring] 274 Comment
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Jul 8 2010
  SDSU6231  Ambrosia dumosa A. H. Gallup 1949-3-28 355 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  SEINET3133458  Ambrosia dumosa S. B. Parish 1907-4-23 6092 Riverside W border of the Colorado desert; S CA 150 Comment
  SEINET3146797  Ambrosia dumosa L. S. Rose 1936-12-26 36827 Riverside Hayfield, 7 mi. W of Desert Center 762 Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  SFV11884  Ambrosia dumosa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  SFV17216  Ambrosia dumosa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  SFV3923  Ambrosia dumosa M. L. Vincent, R. H. Swade 1963-10-19 468 A Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  SFV6344  Ambrosia dumosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 60 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UC1118437  Ambrosia dumosa H. S. Yates 1936-4-8 5436 Riverside 2 mi se Willis Palm; Thermal Quad. 243 Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC1334678  Ambrosia dumosa Nancy Ryan Zabriskie 1969-4-1 179 Riverside near Palm Springs; Andreas Canyon Comment
  UC1366082  Ambrosia dumosa Nancy Ryan Zabriskie 1969-4-27 206 Riverside near, (Andreas Canyon) Palm Springs; Andreas Canyon 365 Comment
  UC1518623  Ambrosia dumosa Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55425 Riverside e of, (mouth of Whitewater Canyon) Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 411 Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC1979834  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 986 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UC1979837  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Mojave Desert; East Mojave Desert region: Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains. Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  UC406767  Ambrosia dumosa Marcus E. Jones, A. M. 1929-9-16 25074 Riverside e of Desert Center Comment
  UC519938  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside near Garnet; Colorado Desert, Seven Palms Comment
  UC596615  Ambrosia dumosa Rensselaer J. Smith 1900-1 317 Riverside Conchilla Desert Comment
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  UC665877  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside 2.7 mi s of, along e side of Salton Sea Mortmar; Salton Sea Comment
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
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Sep 11 2011
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UC75926  Ambrosia dumosa Miss Mary McKibben Riverside Mecca; Colorado Desert Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon Comment
  UC896716  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
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Apr 24 2011
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UC912554  Ambrosia dumosa H. L. Mason 1928-3-10 4217 Riverside Hidden Springs Canyon; Coachella Mts. Comment
  UCD128788  Ambrosia dumosa William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCD128795  Ambrosia dumosa Geoffrey Levin 1975-4-5 475 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  UCD128796  Ambrosia dumosa Geoffrey Levin 1976-10-17 1185 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCD128804  Ambrosia dumosa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCD128811  Ambrosia dumosa Walter W. Zabriskie 1973-2-8 102 Riverside at edge of Indian Canyon wash, Deep Canyon drainage, N slope Santa Rosa Mountains. 304 Comment
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR101565  Ambrosia dumosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR104874  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  UCR124631  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR128943  Ambrosia dumosa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR144132  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  UCR154036  Ambrosia dumosa L. McHargue 1966-11-25 s.n. Riverside Colorado Desert, 0.5 mi east of Ramon Road and 1000 Palms Canyon Road junction Comment
  UCR167258  Ambrosia dumosa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR167376  Ambrosia dumosa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR17119  Ambrosia dumosa J. Texera 1970-3-27 11 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCR177850  Ambrosia dumosa Marisa Sripracha, K. A. Boyd 2004-2-14 036 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR178508  Ambrosia dumosa R. G. Swinney 1967-5-26 149 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR196392  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR20775  Ambrosia dumosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01313 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR214278  Ambrosia dumosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37479 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR214716  Ambrosia dumosa A. C. Sanders 2010-3-23 37545 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR216256  Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  UCR227425  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 152 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  UCR227439  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-3-30 109 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCR227449  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 175 Riverside Mojave Desert, Orocopia Mountains Wilderness, SR 2013/Red Canyon Road at wilderness boundary sign 689 Comment
  UCR227460  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 172 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  UCR228399  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 157 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  UCR228404  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 148 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UCR238483  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR241286  Ambrosia dumosa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 54 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR244301  Ambrosia dumosa Jim Andre 2012-4-15 20858 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR244917  Ambrosia dumosa Jim Andre 2012-3-19 21358 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR251788  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR262464  Ambrosia dumosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41506 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UCR263505  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCR263655  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 021 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  UCR41219  Ambrosia dumosa N. M. Fellows 1985-3-3 76 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR41603  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6025 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCR75095  Ambrosia dumosa A. C. Sanders, E. Lawlor 1992-4-4 12092 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR86850  Ambrosia dumosa A. C. Sanders 1995-4-27 16744 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR89871  Ambrosia dumosa George K. Helmkamp 1994-3-8 41 2 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
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Mar 27 2014
  UCSB10484  Ambrosia dumosa Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center on highway 60 and 70 243 Comment
  UCSB18366  Ambrosia dumosa Kruger, Dave 1964-5-10 Riverside State Highway 74, 7 miles E of Pinyon Flats Campground 914 Comment
  UCSB18824  Ambrosia dumosa Barrick, Linda 1963-5-5 Riverside East side of State Highway 74, 10 miles S of Palm Desert 1066 Comment
  UCSB24079  Ambrosia dumosa McMinn, Howard 1937-3-6 Riverside About 10 miles N.E. of Blythe, on road from Blythe to Needles Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  UCSB6545  Ambrosia dumosa Sager, Ginny 1960-4-2 Riverside Edge highway U.S. 60 and 70; miles east of Indio Comment
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCSB6547  Ambrosia dumosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon, 1 mile from U.S. 60-70-99 Comment
  UCSB7134  Ambrosia dumosa Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  UCSC001456  Ambrosia dumosa Peter Kamb 1948-4-11 866 Riverside Aqueduct Road 5 mi. east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  JOTR00920  Ambrosia dumosa Sipe, Frank 1958-3-13 223 Riverside Joshua Tree National Park. PORCUPINE WASH, PINTO BASIN Comment
  RSA0042755  Ambrosia dumosa J. R. Bruff 1928-12-29 401 Riverside Lone Cottonwood Ranch 2 mi S.E. of Dos Palmas Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. Comment
  RSA93928  Ambrosia dumosa F. W. Peirson 1920-2-16 1319 Riverside Colorado Desert. Garden of Eden east of Palm Springs. Comment
  RSA93929  Ambrosia dumosa Donald A. Johansen, Joseph A. Ewan 1932-4-11 7066 Riverside Mouth of Tahquitz Canyon Comment
  SEINET10725764  Ambrosia dumosa A. K. Evans 1976-4-13 Evans 5206 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  SEINET10849245  Ambrosia dumosa David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2895 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET10849246  Ambrosia dumosa David B. Dunn 1948-2-21 Dunn 3687 Riverside Found near bench on the east side of the palms. Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  SEINET10882134  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2041 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SEINET10882135  Ambrosia dumosa Billy Joe Cox 1975-4-23 Cox 4157 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). Riverside-Imperial Co. 70 Comment
  SEINET10948333  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2037 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SEINET11855136  Ambrosia dumosa Unknown 1936-1 12840 Riverside Colorado Desert N of Palm Springs Comment
  SEINET11855137  Ambrosia dumosa E. A. Purer 1935-1 6455 Riverside western Colorado Desert Comment
  SEINET5710312  Ambrosia dumosa R. L. Smith 1960-1 9 Riverside At base of San Jacinto Mountains, 15 miles north of Palm Springs.; Palm Springs Comment
  SEINET6738614 Image available Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca-Shafer Wells Comment
  SEINET6738722 Image available Ambrosia dumosa H. M. Hall 1905-1 5907 Riverside Near Mule Springs Comment
  CLARK-A1045-225  Franseria dumosa George K. Helmkamp 1978-4-1 Riverside Palm Springs north edge of town; Palm Springs 7.5'Q Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  PASA1847  Franseria dumosa R. Peirce 1966-4-21 Riverside 2 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  SEINET2030051 Image available Franseria dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  SEINET2030087 Image available Franseria dumosa Ira L. Wiggins 1941-3-14 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  SEINET5924772 Image available Franseria dumosa L. C. Higgins 1974-1 8489 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
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