Search Results — 155 specimen records retrieved (150 records with coordinates)
Results for search: County=IMPERIAL; 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-BC22379  Ambrosia dumosa C. L. Hitchcock; C. V. Muhlick 1964-3-19 23145 Imperial 8 miles s. of Ocotillo Spring on road to Fish Creek Comment
  CAS-BOT-BC22380  Ambrosia dumosa L. R. Abrams 1941-4-23 13916 Imperial U.S. Highway 99, 18 miles north of junction with Route 78 Comment
  CAS-BOT-BC22381  Ambrosia dumosa I. L. Wiggins 1941-3-25 9622 Imperial Desert bajada 8.7 miles northeast of Niland on road to Beal Well and Blythe Comment
  CAS-BOT-BC22383  Ambrosia dumosa Howard E. McMinn 1925-7-1 1488 Imperial 2 1/2 miles N.W. Westmoreland on the Col(orado) Desert Comment
  CAS-BOT-BC22384  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -8 Imperial Wash of San Felipe Creek near State Highway 78 0.3 mile west of junction with U.S. Highway 99 Comment
  CAS-BOT-BC22385  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -7 Imperial Along U.S. Highway 99 1 mile south of Salton City, near west shore of the Salton Sea. Comment
  CAS-BOT-BC22386  Ambrosia dumosa Donald W. Kyhos 1964-2-23 64 -7 Imperial Near U.S. Highway 80, 0.9 miles east of its junction with State Highway 98, east of Holtville Comment
  CAS-BOT-BC22387  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -16 Imperial West edge of Salton Sea at turnoff to Sundial, 3.5 miles southeast of Riverside County line, along US Hwy 99 Comment
  CAS-BOT-BC22388  Ambrosia dumosa P. H. Raven 1960-3-16 14842 Imperial 4 miles south of Palo Verde Comment
  CAS-BOT-BC22389  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -9 Imperial State Highway 78, 5.8 miles west of junction with U.S. Highway 99 Comment
  CAS-BOT-BC22390  Ambrosia dumosa N. H. Holmgren; P. Holmgren 1974-3-28 7527 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo 274 Comment
  CAS-BOT-BC22392  Ambrosia dumosa E. A. McGregor 1917-4-1 825 Imperial between Coyote Wells and Cement Bridge Comment
  CAS-BOT-BC22393  Ambrosia dumosa C. B. Wolf 1931-3-14 1890 Imperial 5 miles west of Coyote Wells on road to Mountain Springs, Colorado Desert 152 Comment
  CAS-BOT-BC22394  Ambrosia dumosa R. S. Ferris 1928-4-19 1109 Imperial 3 miles east of Coyote Wells on the Dixieland Road Comment
  CAS-BOT-BC22395  Ambrosia dumosa P. A. Munz; Street; Williams 1919-3-26 2352 Imperial near Salton Sea -45 Comment
  CAS-BOT-BC22396  Ambrosia dumosa George H. Mallory 1920-5-12 s.n. Imperial 5 mi south of Ogilby at side of R.R. track near arroyo Comment
  CAS-BOT-BC22397  Ambrosia dumosa C. B. Wolf 1931-3-14 1890 Imperial 5 miles west of Coyote Wells on road to Mountain Springs, Colorado Desert 152 Comment
  CDA21295  Ambrosia dumosa A. R. Cline 2007-12-13 s.n. Imperial Algadones Dunes; 6-7 mi W of Glamis off Hwy 78. 39 Comment
  CDA22498  Ambrosia dumosa Gillian Watson 2008-3-2 CA 2 Imperial 5 miles W of El Centro, 1/2 mile S of Hwy 8. 0 Comment
  CDA9977  Ambrosia dumosa T. C. Fuller 1962-4-4 8112 Imperial Highway 80 to Jacumba, 6.2 miles west of Ocotillo. 0 Comment
  CDA9981  Ambrosia dumosa A. R. Cline 2007-12-13 s.n. Imperial 6-7 miles west of Glamis off Highway 78. Comment
  GMDRC9779  Ambrosia dumosa J. M. Andre 2017-3-9 37951 Imperial Borrego Desert: 4 mi. east of Ocotillo, about 1 mile north of Interstate 8 67 Comment
  HSC30137  Ambrosia dumosa A. M. Montalvo, J. D. Ackerman 1974-3-27 160 Imperial 4 mi. W of 1000 ft. marker on westbound Hwy. 8. Mountain Springs Grade W of Ocotillo Wells; Colorado desert Comment
Read comments
Oct 23 2012
  HSC5668  Ambrosia dumosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23145 Imperial 8 miles S of Ocotillo Spring on road to Fish Creek Comment
  IRVC14728  Ambrosia dumosa D. W. Goodall 1968-4-22 s.n. Imperial 3km E of Ocotilla Wells on Hwy 78 to Salton Sea. Sonoran Desert Comment
Read comments
Oct 10 2012
  IRVC22903  Ambrosia dumosa Fred M. Roberts, T. M. Burrows 1984-8-31 1403 Imperial S-2; 6.5km N by road of Ocotillo; ca. 18km SSW Carrizo Mtns. Sonoran desert 230 Comment
  IRVC8123  Ambrosia dumosa D. W. Goodall 1968-4-2 s.n. Imperial 10km NW of Glamis Sonoran desert Comment
  JEPS40930  Ambrosia dumosa W. L. Jepson 1920-4-30 8907 Imperial w of the s end, just w of US 99 Salton Sea; , McCain Spring Comment
  LA202915  Ambrosia dumosa C. B. Wolf; 1931-3-14 1890 Imperial 5 mi. W of Coyote Wells on road to Mountain Springs 152 Comment
  LA94845  Ambrosia dumosa T. A. Geissman; TAG- 4166 -FDC Imperial on US 80, about 20 mi. W of Yuma, at rest area Comment
  OBI25273  Ambrosia dumosa F. Seaman 1971-4-7 26 c Imperial 19 mi W of the intersection of State Hwy 86 and Hwy 78 Comment
Read comments
Oct 10 2012
  OBI38337  Ambrosia dumosa A. C. Sanders 1986-3-8 6153 Imperial N end of Algodones Dunes, East Mesa at E end of Montgomery Rd., ca. 1 mi E of Highline Canal. Comment
  OBI49863  Ambrosia dumosa Larry Kelly 1988-3-24 22 Imperial Along Imperial hwy (S-2) in Ocatillo ca. .5 mi N of I-8 Comment
  POM147593  Ambrosia dumosa Marcus E. Jones 1927-4-16 9147 Imperial Travertine Point, near Salton Sea. Comment
  POM156257  Ambrosia dumosa L. R. Abrams 1903-4-2 3179 Imperial Signal Mountain, Colorado Desert. Comment
  POM197440  Ambrosia dumosa Roxana S. Ferris 1928-4-19 7109 Imperial 3 miles from Coyote Wells on the Dixieland Road. Comment
  POM38895  Ambrosia dumosa Marcus E. Jones 1903-5-8 s.n. Imperial Ogilvie [Location doesn't exist? Could be confused with Ogilby.] 30 Comment
  POM48819  Ambrosia dumosa Mary F. Spencer 1917-3-25 s.n. Imperial Near Coyote Wells. Comment
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Oct 9 2010
  POM6872  Ambrosia dumosa Philip A. Munz, L. T. Street, Williams 1919-3-26 2352 Imperial Near Salton Sea. -46 Comment
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Oct 23 2012
  RSA0013463  Ambrosia dumosa Duncan S. Bell, Kim Clark, Megan Ferguson, Calamity Jane Ferguson, Amber Swanson, Jane Tirrell, Adriana VanKlaveren 2013-3-17 4565 Imperial The Jacumba Mountains; collecting in Davies Canyon, approximately 3.75 air miles south of the town of Ocotillo. 233 Comment
  RSA0019556  Ambrosia dumosa J. Andre 2013-3-4 24071 Imperial Cargo Muchacho Mtns: southeast side of range, approx. 12 miles NW of Yuma, just west of Barney Oldfield Rd, 5.0 miles north of Jct Interstate 8. 158 Comment
  RSA0027623  Ambrosia dumosa Deidre Conocchioli, Billy Sale 2013-10-23 112 Imperial North of Yuha Desert. From El Centro: Take I-8 W for 13.3 miles. Exit at Dunaway Rd, turn right onto Dunaway road and continue for 0.7 miles to collection site on west side of road. 2 Comment
  RSA167670  Ambrosia dumosa R. F. Thorne, Robert L. Rutherford 1964-4-11 33650 Imperial Araz Wash, between Pasadena and Stud Mountains, Cargo Muchacho Mountains. 305 Comment
  RSA195534  Ambrosia dumosa Donald W. Kyhos 1964-2-23 64 -7 Imperial Near U.S. Highway 80, 0.9 miles east of its junction with State Highway 98, east of Holtville. Comment
  RSA2147  Ambrosia dumosa C. B. Wolf 1931-3-14 1890 Imperial Colorado Desert, 5 mi. W of Coyote Wells on road to Mountain Springs. 152 Comment
  RSA26830  Ambrosia dumosa I. L. Wiggins 1941-3-25 9622 Imperial 8.7 miles northeast of niland, on road to Beal Well and Blythe. Comment
  RSA289333  Ambrosia dumosa Charles Convis 1980-4-9 135 Imperial Western Salton Basin. 27km due WNW of Westmorland. Flats and stabilized dunes area 0-2 km N of San Filipe creek in area of confluence with Carrizo wash. -21 Comment
  RSA336141  Ambrosia dumosa R. F. Thorne 1978-4-29 52093 Imperial Near Salton Sea: along Highway 86 near entrance to Salton Sea Navel Base, SSE of Salton Sea -61 Comment
  RSA416962  Ambrosia dumosa E. K. Balls 1949-4-4 12962 Imperial Colorado Desert. between Durmid and Salton on Highway 111. 0 Comment
Read comments
Sep 18 2012
  RSA416977  Ambrosia dumosa M. B. Dunkle 1932-3-26 2950 Imperial Kane Springs Comment
  RSA416980  Ambrosia dumosa H. de Forest, Jack Rempel 1932-12-18 s.n. Imperial Mesa E. of Niland. Comment
Read comments
Jan 8 2013
  RSA416981  Ambrosia dumosa N. C. Cooper 1949-3-15 3037 Imperial West of Yuma 244 Comment
  RSA416982  Ambrosia dumosa M. B. Dunkle 1935-4-17 4570 Imperial E. of Beal Well Comment
  RSA416983  Ambrosia dumosa Christopher Davidson, Alan Romspert 1979-4-28 7784 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  RSA615282  Ambrosia dumosa Jon P. Rebman, Maggie Loy 1996-10-27 3769 Imperial North of Glamis: Algodones Dunes. 60 Comment
  RSA643344  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-4-7 s.n. Imperial Colorado Desert: ca. 6 miles NW of Ocotillo, 0.9 mi. S of Hwy S2 at county line. 305 Comment
  RSA696086  Ambrosia dumosa LeRoy Gross, Valentin Arvizu, Sarah De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1269 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). North of Lion Head Mountain, near Beal Well. Surrounding desert off of Beal Road. 400 Comment
  RSA697283  Ambrosia dumosa LeRoy Gross, Valentin Arvizu, Sarah De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1237 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  RSA746439  Ambrosia dumosa G. Gust, L. Nye 2005-3-3 455 Imperial BLM land just NE of Ogilby about 20 miles NW of Yuma off of Hwy 534 on American Girl Mine Rd. 159 Comment
  RSA765550  Ambrosia dumosa J. Andre 2010-3-1 12520 Imperial Borrego Desert region; southeastern Coyote Mtns, along Painted Gorge Rd, approx 5 mi. NE of town of Ocotillo, 4 mi. N. of Interstate 8. 68 Comment
  RSA767466  Ambrosia dumosa J. Mark Porter, Orlando Mistretta, S. Hobbs 2002-3-2 13404 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.5 miles west-southwest of Ogilby, west of County road S34. 95 Comment
  RSA798642  Ambrosia dumosa Margaret R. Mulligan, Larry Hendrickson, L. Louise Jee 2008-4-25 2513 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, northwest of Salton City, section 14 (SL14), in Coral Wash ca. 2 miles southwest of Highway 86. 26 Comment
  SBBG34831  Ambrosia dumosa D. F. Howe 1980-4-13 Imperial Hwy 8, 7 mi E of Holtville Comment
Read comments
Feb 3 2011
  SBBG37954  Ambrosia dumosa T. L. Secrest 1948-4-8 Imperial near Kane Springs Comment
  SBBG61675  Ambrosia dumosa R. C. and J. R. Robbins 1933-2-16 Imperial Travertine Pt, 24 mi S of Indio Comment
  SBBG61681  Ambrosia dumosa M. N. Ackley 1927-3-13 248 Imperial Salton Sea -76 Comment
  SBBG87795  Ambrosia dumosa A. C. Sanders 1986-3-8 6153 Imperial N end of Algodones Dunes, East Mesa at E end of Montgomery Rd, ca. 1 mi E of Highline Canal.; T12S, R15E, NE 1/4 of SE 1/4 S2 18 Comment
Read comments
Nov 13 2011
  SD10375  Ambrosia dumosa Irma Van Gorder 1935-2-22 Imperial Painted CaA'on Comment
  SD108027  Ambrosia dumosa F. Seaman 1972-3-23 69 1 Imperial 3 miles north of Ocotillo on State Hwy S-2 (mak 8/06) Comment
  SD128724  Ambrosia dumosa Darley F. Howe 1980-4-13 Imperial 7 miles east of Holtville on Highway 8 Comment
  SD139699  Ambrosia dumosa Jon Rebman, Maggie Loy 1996-10-27 3769 Imperial N of Glamis: Algodones Dunes 60 Comment
  SD142470  Ambrosia dumosa Jon P. Rebman, Adrienne Russell 1997-9-6 4206 Imperial West of Plaster City: along Painted Gorge Road, N of S-80 39 Comment
  SD144073  Ambrosia dumosa G. K. Helmkamp, E. Helmkamp 1998-1-23 2562 Imperial On the W side of Hwy 86, 18.8 mi NW of Westmoreland. Comment
  SD14573  Ambrosia dumosa Frank F. Gander 1936-4-1 1364 Imperial Extreme northwest corner of Imperial County. Comment
  SD152283  Ambrosia dumosa Jon Rebman, Joan Dowd & Veronica Gallego 2000-4-19 6526 Imperial NW of El Centro, about 4 miles S of San Sebastian Natural Area and San Felipe Wash, W of Salton Sea and E of Fish Creek Mountains 29 Comment
  SD173242  Ambrosia dumosa Larry Hendrickson, L. Louise Jee 2005-4-27 2130 Imperial Grave Wash, approx. 3.0 air miles west of hwy. 86 and 2.5 air miles north of hwy. S-22 (Borrego-Salton Seaway). 36 Comment
  SD173243  Ambrosia dumosa Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-4-14 1926 Imperial Trust for Public Lands Option Properties; South of SE tip of Santa Rosa Mtns. Coral Wash, approx. 2.5 air miles SW of hwy. 86 and 2.0 air miles north of hwy. S-22 (Borrego-Salton Seaway). 20 Comment
  SD190593  Ambrosia dumosa Larry Hendrickson, Jon Rebman. 2005-4-15 3136 Imperial Picacho State Recreation Area, adjacent to maintenance yard. 71 Comment
  SD191757  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14592 b Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), in Big Wash, Site PHACRE in arroyo bottom and surrounding embankments 53 Comment
  SD191758  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14529 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), in Big Wash Middle, Site ESCPAR in arroyo bottom and surrounding embankments 61 Comment
  SD191759  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14458 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  SD191760  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14502 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site LARTRI in arroyo bottom and surrounding embankments -31 Comment
  SD191761  Ambrosia dumosa Jon Rebman, W. Schmidtmann, L. Hendrickson, & L. L. Jee 2008-4-8 14394 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 18 (SL18), small arroyo off of Grave Wash, Site LARTRI in arroyo bottom and surrounding cliff walls 89 Comment
  SD199776  Ambrosia dumosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16520 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, W of Salton City, Along Hwy S22, section 29 (SP29), Site LANSET on mesa and surrounding mud and cobble hillsides 152 Comment
  SD199777  Ambrosia dumosa Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16326 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 5 (SP5), Verbena Wash, Site HIBDEN in rocky arroyo and surrounding rocky hillsides 39 Comment
  SD199778  Ambrosia dumosa Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16487 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 6 (SL6), Verbena Wash, Site PHAMIN in rocky arroyo and surrounding rocky hillsides & mesas 99 Comment
  SD199779  Ambrosia dumosa Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16210 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), vicinity of Palm Wash, Site ASTCRO in sandy arroyo bottom and surrounding rocky, mud embankments 54 Comment
  SD199780  Ambrosia dumosa Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16139 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 2.7 mile W of Hwy. 86; Section 22 (SL22), Palm Wash, Site PHOCAL in sandy arroyo bottom and surrounding mud embankments -9 Comment
  SD199781  Ambrosia dumosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16563 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 26 (SL26), Amerosa Wash, Site CHOBRE on mesas and surrounding mud and cobble hillsides and arroyos -3 Comment
  SD199782  Ambrosia dumosa Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16399 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 4 (SL4), Verbena Wash, Site FAGPAC in rocky arroyo and surrounding rocky hillsides & mesa -4 Comment
  SD199783  Ambrosia dumosa Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16148 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 20 (SL20), Palm Wash, Site BRATOU in sandy arroyo bottom and surrounding rocky mud embankments 45 Comment
  SD200300  Ambrosia dumosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16764 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 15 (SP15), Coral Wash, Site PECHET on dried mud and sand arroyo and surrounding hillsides 4 Comment
  SD201054  Ambrosia dumosa Margaret R. Mulligan, L. Hendrickson, G. Fleming 2009-10-4 3166 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 21 (SP21), in Palm Wash, site ISOACR, in wash. 42 Comment
  SD211368  Ambrosia dumosa Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18876 Imperial Southwest of Plaster City on Bureau of Land Management (BLM) property in an area proposed for development of a solar facility: S of Hwy. S80 & N of I-8, NE of Ocotillo & W of El Centro; along a powerline road 53 Comment
  SD220625  Ambrosia dumosa Margaret R. Mulligan, L. Hendrickson, L. L. Jee 2008-4-25 2513 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City; Section 14 (SL14), in Coral Wash ca. 2 mi southwest of Hwy 86. 25 Comment
  SD242671  Ambrosia dumosa Andrea Laltoo 2005-3-26 25 Imperial Yuha Desert Area of Critical Environmental Concern, wash to S side of route 294 and to E side of route 297 131 Comment
  SD242672  Ambrosia dumosa 1993-3-18 Imperial Entrance to Davis [Davies] Valley Comment
  SD242673  Ambrosia dumosa 1993-3-5 Imperial Shell Canyon Comment
  SD243800  Ambrosia dumosa Donald L. Hazlett 1993-3-13 6752 Imperial 2 mi. S of Ocotillo 152 Comment
  SD250426  Ambrosia dumosa Ellen Dean, Tom Starbuck, Margaret Starbuck 2010-4-8 5845 Imperial BLM Algodones Dunes Natural Area. E side of dunes. 6 miles N of Hwy 78, along Kipf Road, E and W side of road. Along wash. 74 Comment
  SD250601  Ambrosia dumosa Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-26 28826 Imperial Algodones Dunes area: east of Brawley; north of Hwy 78 at Glamis & west of the railroad & Ted Kipf Road; on the eastern edge of the dune field 89 Comment
  SD250602  Ambrosia dumosa Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28728 Imperial Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 132 Comment
  SD254528  Ambrosia dumosa A. C. Sanders, Jim Malusa 2016-3-8 42161 Imperial Sonoran (Colorado) Desert: NE side of Chocolate Mountains, along Dietz Rd., 1.7 km east of intersection with Skyline Dr., along boundary of Chocolate Mtns. Aerial Gunnery Range (Little Mule Mountains 7.5'Q) 313 Comment
  SD260171  Ambrosia dumosa A. C. Sanders, Jim Malusa 2016-3-14 42174 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, along old Niland-Blythe Rd., 1.92 km NE of Siphon 8 on the Coachella Canal, NE of Slab City. 50 Comment
  SD83092  Ambrosia dumosa Helen V. Witham 1972-12-12 1763 Imperial Common, washes, Painted Gorge 149 Comment
  SD8857  Ambrosia dumosa Daniel Cleveland 1885-6-25 Imperial Mountain Springs Grade. Comment
  SDSU6237  Ambrosia dumosa H. Wedberg 1962-3-23 843 Imperial Ten miles NE of Jacumba on road to El Centro. 762 Comment
Read comments
Nov 10 2008
  SDSU6249  Ambrosia dumosa H. Wedberg 1966-3-26 1133 Imperial At 2000' about 8 mi. from Jacumba on the road to El Centro. 610 Comment
  SEINET10887038  Ambrosia dumosa Greg Gust, Leith Nye 2005-3-3 Gust 455 Imperial BLM Land just NE of Ogilby about 20 miles NW of Yuma off of Hwy 534 on American Girl Mine Rd. Desert Scrub. 159 Comment
  SEINET13237107  Ambrosia dumosa A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-19 41890 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, Pegleg Well Rd (Salvation Pass Rd) above Niland. 98 Comment
  SEINET2055789 Image available Ambrosia dumosa George K. Helmkamp, E. A. Helmkamp 2001-3-17 6290 Imperial Colorado Desert; Ogilby Rd. 15.4 mi south of CA-78. 168 Comment
  SEINET3829077  Ambrosia dumosa J. Mark Porter, O. Mistretta, S. Hobbs 2002-1 13404 Imperial Imperial Dunes Recreation area. (Algodones Dunes) ca. 0.5 mi. WSW of Ogilby, W of Country road S 34. 95 Comment
  SEINET7987807  Ambrosia dumosa Jon P. Rebman 1996-10-27 3769 Imperial Algodones Dunes, N of Glamis; Algodones Dunes 60 Comment
  SEINET7987809  Ambrosia dumosa Jon P. Rebman 1997-9-6 4206 Imperial Plaser City, W of Plaster City, along Painted Gorge Road 40 Comment
  SEINET7987812  Ambrosia dumosa Jon P. Rebman 2000-4-19 6526 Imperial NW of El Centro, about 4 miles S of San Sebastian, Natural area and San Felipe Wash,W of Salton Sea and E of Fish Creek Mountains Comment
  SEINET8071536 Image available Ambrosia dumosa Deidre Conocchioli, Billy Sale 2013-10-23 112 Imperial Mojave Desert; West Mojave desert Region: North of Yuha Desert. From El Centro: Take I-8 W for 13.3 miles. Exit at Dunaway Rd, turn right onto Dunaway road and continue for 0.7 miles to collection site on west side of road. 2 Comment
  UC1440650  Ambrosia dumosa F. Seaman 1971-4-7 26 (A) Imperial 19 n of intersection of 86 and hwy 78 State Hwy 86 Comment
  UC403404  Ambrosia dumosa H. E. and S. T. Parks Feb 1929 392 Imperial along shore Salton Sea Comment
  UC484063  Ambrosia dumosa C. B. Wolf 1931-3-14 Imperial 5 mi w, on rd to Mountain Springs Coyote Wells 152 Comment
  UC51602  Ambrosia dumosa Jos. Burtt Davy 1902-4-1 8035 Imperial Flowing Wells Comment
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Apr 13 2009
  UC665844  Ambrosia dumosa Ira L. Wiggins 1941-3-25 9622 Imperial 8.7 mi ne, (desert bajada on rd to Beal Well and Blythe) Niland Comment
  UC88775  Ambrosia dumosa T. S. Brandegee 1901-3-30 Imperial (near Boundary line) Signal Mt.; Colorado Desert Comment
  UC896718  Ambrosia dumosa Lewis S. Rose 1938-2-4 38047 Imperial Plaster City 0 Comment
  UCD121043  Ambrosia dumosa Kenneth A. Wilson 1964-4-11 1316 Imperial Orita Glamis Road, 3 miles east of East Highline Canal. Comment
  UCD128792  Ambrosia dumosa C. L. Hitchcock; C. V. Muhlick 1962-3-18 22232 Imperial 9.2 miles east of Glamis on road to Blythe. Comment
  UCD128797  Ambrosia dumosa Aven Nelson; Ruth A. Nelson 1939-3-28 3297 Imperial near the north end of Salton Sea, Highway 111. Comment
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Sep 11 2013
  UCD128798  Ambrosia dumosa Aven Nelson; Ruth A. Nelson 1939-3-30 3340 Imperial on Highway 60, near Desert center. Comment
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Aug 28 2016
  UCD39041  Ambrosia dumosa Beecher Crampton 1962-5-23 6449 Imperial 7-8 miles west of Coyote Wells, along US Hwy. 80, Jacumba Mtns. 304 Comment
  UCD83505  Ambrosia dumosa Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5845 Imperial BLM Algodones Dunes Natural Area. E side of dunes. 6 mi N of Hwy 78, along Kipf Rd. E and W side of road. 74 Comment
  UCD83525  Ambrosia dumosa Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5866 Imperial BLM Algodones Dunes Natural Area. E side of dunes. 6 mi N of Hwy 78, along Kipf Rd. E and W side of road. 74 Comment
  UCR100120  Ambrosia dumosa B. G. Pitzer 1997-10-19 3337 Imperial Sonoran (Colorado) Desert, SW foot of Cargo Muchacho Mtns; along Ogilby Rd (Hwy S34) at a point 6.1 mi north of railroad tracks at Ogilby & 3.6 mi south of Indian Pass Road 200 Comment
  UCR104849  Ambrosia dumosa George K. Helmkamp, E. Helmkamp 1998-1-23 2562 Imperial Sonoran (Colorado) Desert, On the W side of Hwy 86, 18.8 mi. NW of Westmorland -30 Comment
  UCR107910  Ambrosia dumosa Jon P. Rebman, Adrienne Russell 1997-9-6 4206 Imperial Yuha Desert, West of Plaster City, along Painted Gorge Road, north of Hwy S-80 40 Comment
  UCR108097  Ambrosia dumosa Jon P. Rebman, Maggie Loy 1996-10-27 3767 Imperial Sonoran/Colorado Desert, Algodones Dunes, WNW of Glamis. 60 Comment
  UCR109566  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-4-7 s.n. Imperial Sonoran (Colorado) Desert, c. 6 miles NW of Ocotillo, 0.9 mi. south of Hwy S2 at county line 305 Comment
  UCR120526  Ambrosia dumosa George K. Helmkamp, E. A. Helmkamp 2001-3-17 6290 Imperial Sonoran (Colorado) Desert, Ogilby Rd., 15.4 miles south of Calif. Hwy 78 168 Comment
  UCR123887  Ambrosia dumosa Steven R. Hill, K. Kramer 2001-4-27 33477 Imperial Sonoran (Colorado) Desert, California Route 86/78, W side of road, near Kane Spring, 0.6 mi SE of the U.S. Border Patrol Station at San Felipe Wash bridge. About 3.3 mi SW of the Salton Sea margin -52 Comment
  UCR148660  Ambrosia dumosa Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6526 Imperial W Colorado Desert, NW of El Centro, E side of Fish Creek Mtns and west of Salton Sea Comment
  UCR165492  Ambrosia dumosa John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 13 and 14, c. 3.5 miles NE of Wister 27 Comment
  UCR217677  Ambrosia dumosa Jim Andre, T. La Doux 2010-3-1 12520 Imperial Colorado (Sonoran) Desert, Borrego Desert, southeastern Coyote Mountains, along Painted Gorge Road, c. 5 mi northeast of town of Ocotillo, 4 mi north of Hwy I-8 68 Comment
  UCR264792  Ambrosia dumosa Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28728 Imperial Sonoran (Colorado) Desert, Milpitas Wash just west of Hwy 78; south of Palo Verde and south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 133 Comment
  UCR265261  Ambrosia dumosa Jon P. Rebman, John La Grange, Warren Schmidtmann 2014-9-26 28826 Imperial Algodones Dunes, east of Brawley, north of Hwy 78 at Glamis and west of the railroad and Ted Kipf Road; on the eastern edge of the dune field 90 Comment
  UCR266540  Ambrosia dumosa A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-19 41890 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Pegleg Well Rd (Salvation Pass Rd) above Niland 98 Comment
  UCR269537  Ambrosia dumosa A. C. Sanders, Jim Malusa 2016-3-8 42161 Imperial Sonoran (Colorado) Desert, NE side of Chocolate Mountains, along Dietz Rd., 1.7 km east of intersection with Skyline Dr., along boundary of Chocolate Mtns. Aerial Gunnery Range 314 Comment
  UCR269610  Ambrosia dumosa A. C. Sanders, Jim Malusa 2016-3-14 42174 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd., 1.92 km NE of Siphon 8 on the Coachella Canal, NE of Slab City 51 Comment
  UCR269721  Ambrosia dumosa A. C. Sanders, Jim Malusa 2016-3-16 42279 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd. at powerlines, 2.6 km NNW of Beal Well 472 Comment
  UCR279033  Ambrosia dumosa Onkar Singh, B. Huttar 2015-3-16 5107 Imperial Sonoran (Colorado) Desert, Imperial Valley, Naval Air Facility El Centro Target 103, c. 12 km NNW of Plaster City 35 Comment
  UCR33539  Ambrosia dumosa Sears 1978-3-15 794 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, 9 mi. NE of Glamis, 2 mi. SW of Blythe - Ogilby Road Junction 396 Comment
  UCR41506  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6153 Imperial Sonoran (Colorado) Desert, N end of Algodones Dunes, East Mesa at east end of Montgomery Road, c. l mi east of Highline Canal 18 Comment
  UCR41822  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6290 Imperial Peninsular Range/ Sonoran (Colorado) Desert, South side of old highway at Mountain Springs Road exit from Hwy I-8, c. 1/3 mile east of town of Mountain Springs, at head of Myer Creek 673 Comment
  CAS-BOT-BC22391  Ambrosia dumosa E. A. McGregor 1917-6-9 1018 Imperial Government Well Comment
  POM91000  Ambrosia dumosa E. C. Jaeger 1925-12-23 s.n. Imperial Beale's Well Comment
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Aug 29 2016
  POM9645  Ambrosia dumosa Philip A. Munz 1920-12-28 4392 Imperial 15 mi E of Holtville -30 Comment
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Nov 21 2013
  SEINET10725769  Ambrosia dumosa Noel H. Holmgren 1974-3-28 Holmgren 7527 Imperial 3 airline miles southwest of Ocotilo. 274 Comment
  SEINET7048010  Ambrosia dumosa Steven R. Hill, Kate Kramer 2001-4-27 33477 Imperial California Route 86/78, west side of road, near Kane Spring, 0.6 mile southeast of U.S. Border Patrol Station at San Felipe Wash bridge. About 3.3 miles southwest of the Salton Sea margin. Elevation about -170 feet. Comment



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