Search Results — 256 specimen records retrieved (213 records with coordinates)
Results for search: Scientific name=Ambrosia confertiflora (including nomenclatural synonyms);   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/cch_archive/).
 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-BC166536  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  CAS-BOT-BC44986  Ambrosia confertiflora S. B. Parish; W. F. Parish 1884-7-1 744 San Bernardino San Bernardino Valley, Colton Comment
  CAS-BOT-BC44987  Ambrosia confertiflora Henry M. Pollard 1963-10-18 s.n. Santa Barbara Refugio Pass Road, Santa Ynez Mountains 365 Comment
  CAS-BOT-BC44989  Ambrosia confertiflora H. M. Pollard 1952-9-27 s.n. Santa Barbara Southern Pacific Railroad, Summerland Comment
  CAS-BOT-BC44995  Ambrosia confertiflora Alice Eastwood 1915-4-23 4387 Merced Merced Falls Comment
  CAS-BOT-BC44996  Ambrosia confertiflora Scott D. White; Justin Wood 2008-6-4 12051 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  CAS-BOT-BC44998  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC44999  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45000  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45001  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45002  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45003  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45004  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  CAS-BOT-BC45007  Ambrosia confertiflora Dr. J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  CAS-BOT-BC45009  Ambrosia confertiflora Katherine Esau 1935-6-20 s.n. Riverside Near Beaumont Comment
  CAS-BOT-BC45010  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC45011  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC518747  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC55601  Ambrosia confertiflora C. B. Wolf 1931-5-27 2132 San Diego Cottonwood Valley, 1/2 mile west of Cottonwood Creek Bridge, on rd. from Dulzura to Potrero 304 Comment
  CAS-BOT-BC55602  Ambrosia confertiflora S. G. Stokes 1895-6-20 s.n. San Diego Otay Valley Comment
  CAS-BOT-BC55603  Ambrosia confertiflora Ira L. Wiggins 1928-6-16 3236 San Diego Otay River near Otay Comment
  CAS-BOT-BC55604  Ambrosia confertiflora Roxana S. Ferris 1956-9-15 13068 San Diego Along County road, Telegraph Canyon, betw. Otay Ranch road junction and Chula Vista Comment
  CAS-BOT-BC55605  Ambrosia confertiflora R. D. Alderson 1896-9-1 1183 San Diego Del Mar Comment
  CDA36028  Ambrosia confertiflora Kelly Volansky 2006-2-17 s.n. Los Angeles San Gabriel Valley; Montebello Hills, east of Montebello Blvd. near the Paramount Blvd. exit from Hwy 60. Comment
  CDA9968  Ambrosia confertiflora Larry Hendrickson 1997-6-6 947 San Diego San Felipe Valley Wildlife Area, California Department of Fish & Game. Approximately 13 miles southeast of intersection of State Highway 79 and County Highway S-2, west of Highway S-2 and cattle guard, along ranch road that parallels fence at south boundary of property. (33.1358 N, 116.5322 W) Comment
  CDA9969  Ambrosia confertiflora G. C. Fleischman 1945-10-21 Riverside Highway, Beaumont / Sunnymead. 0 Comment
  CDA9972  Ambrosia confertiflora T. S. Ross 1991-3-9 4179 Los Angeles Whittier Hills (Puente Hills, pro parte): Southeast side of ridgetop knoll, head of Oak Canyon. Comment
  CLARK-A1528-1103  Ambrosia confertiflora John C. Roos 1943-4-10 2613 San Bernardino Loma Linda 365 Comment
  CLARK-A1528-2031  Ambrosia confertiflora John C. Roos 1937-8-23 San Bernardino Loma Linda Comment
  CLARK-A1528-5358  Ambrosia confertiflora John C. Roos 1949-10-12 4691 San Bernardino Loma Linda Comment
  GMDRC1162  Ambrosia confertiflora J. Andre, G. I. Clifton 2003-6-23 4125 San Bernardino New York Mtns: New York Mtns: Mail Spring, growing in disturbed areas near spring. Elev. 5028 ft. 1533 Comment
  GMDRC1171  Ambrosia confertiflora James M. Andre, Glenn Clifton 2003-3-29 4134 San Bernardino Elev. 4953 ft. 1510 Comment
  GMDRC3726  Ambrosia confertiflora J. Andre 2009-6-7 11181 San Bernardino Mid Hills: Mid Hills: along Cedar Canyon Road approx. 6 mi. W. of the Ivanpah/Lanfair Rd Jct. Pinto Valley, Mojave National Preserve. USGS 7.5 min. Quad: Pinto Valley 35 deg. 8.537' N 115 deg. 18.29' W. Elev. 4745 ft. 1447 Comment
  GMDRC4629  Ambrosia confertiflora J. Andre, T. La Doux 2010-9-22 14847 San Bernardino Castle Peaks: Mojave National Preserve; wilderness boundary trailhead at 'hiking corridor' on south side of range 1542 Comment
  HSC103415  Ambrosia confertiflora Jim Andre, T. La Doux 2010-9-22 14847 San Bernardino Castle Peaks; Mojave National Preserve; wilderness boundary trailhead at 'hiking corridor' on south side of range. 1542 Comment
  HSC5667  Ambrosia confertiflora C. S. Apperson 1966-5-2 Ventura Ventura River delta area near the Ventura Co. fairgrounds Comment
  IRVC27629  Ambrosia confertiflora Mark A. Elvin 2004-4-24 3338 San Diego Otay Mountain; SE base, W end Marron Valley on slopes of mtn. N of Tijana R., between Mine and Butteweg canyons. San Ysidro Mountains 168 Comment
  IRVC727  Ambrosia confertiflora Linda Stilgenbauer 1965-4-25 s.n. Riverside Hwy 74 above Elsinore. Peninsular Ranges, Santa Ana Mountains Comment
  JEPS24957  Ambrosia confertiflora C. M. Belshaw 1935-12-1 206 Tuolumne 1 mi e Jacksonville; Sonora Quad. 335 Comment
  JEPS4067  Ambrosia confertiflora J. Thomas Howell 1927-11-18 3206 Los Angeles Los Angeles Comment
  JEPS45185  Ambrosia confertiflora Perry Allen 1961-11-22 Stanislaus field below, near Tuolumne River, 2 mi sw of La Grange Dominici Ranch; Tuolumne River, La Grange Comment
  OBI75735  Ambrosia confertiflora George Butterworth 2007-11-17 852 San Luis Obispo Chimineas Ranch. Scale Gate 762 Comment
  POM263107  Ambrosia confertiflora J. C. Roos 1940-9-28 224 San Bernardino Loma Linda. Comment
  POM266302  Ambrosia confertiflora J. C. Roos 1939-10-17 917 San Bernardino Loma Linda. Comment
  POM302519  Ambrosia confertiflora J. C. Roos 1943-4-10 2613 San Bernardino Loma Linda. Comment
  POM4808  Ambrosia confertiflora I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  POM4811  Ambrosia confertiflora I. M. Johnston 1918-10-9 s.n. San Bernardino Upland. 366 Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  RSA0015797  Ambrosia confertiflora Duncan S. Bell 2013-8-28 5736 San Bernardino Castle Mountains; at Hightower Well collecting around pond beside old corral, approximately 4 air miles southwest of Hart Peak. 1350 Comment
  RSA0015965  Ambrosia confertiflora Duncan S. Bell 2013-9-7 5796 San Bernardino Castle Mountains; south end of range, in narrow drainage to the south of Hart Mine. 1295 Comment
  RSA0019248  Ambrosia confertiflora J. Andre 2013-9-2 25386 San Bernardino Castle Mountains; BLM lands; W end of range, 0.2 mi. SE of Hart Mine Rd, 9.1 mi. E of Barnwell (Jct Ivanpah Rd), approx. 1 mi. NW of Hart Mine complex. 1348 Comment
  RSA0029215  Ambrosia confertiflora J. Andre 2013-8-28 25493 San Bernardino Mid Hills; Mojave National preserve; SW base of Pinto Mountains, along north side of Cedar Canyon Rd., 7.1 mi. east of jct with Cima Rd., 1.0 mi. east of jct. Black Canyon Rd. 1544 Comment
  RSA0031314  Ambrosia confertiflora Jim Andre 2013-9-19 25645 San Bernardino Castle Mountains; along Walking Box Ranch Rd, approx. 1 mi NW of Hart Mine area. 1335 Comment
  RSA0043389  Ambrosia confertiflora Jim Andre 2013-9-2 25345 San Bernardino Castle Peaks; Mojave National Preserve; along trail into Castle Pks Wilderness area, SW end of range, 1.4 mi. N of Hart Mine Rd., 3.2 mi. E of Barnwell (Jct. Ivanpah Rd.). 1419 Comment
  RSA0064394  Ambrosia confertiflora J. M. Andre 2012-9-27 22132 San Bernardino Castle Peaks; Mojave National Preserve; east of the New York Mtns, along Ivanpah Rd at Barnwell and jct of Hart Mine Rd. 1463 Comment
  RSA0080655  Ambrosia confertiflora J. M. Andre 2014-9-10 30607 San Bernardino Castle Peaks: Far west end of range along Ivanpah Rd, 1.5 mi. NE of Barnwell, east of New York Mtns, on northeast-facing volcanic hills. 1394 Comment
  RSA2816  Ambrosia confertiflora C. B. Wolf 1931-5-27 2132 San Diego Cottonwood Valley, 0.5 mile west of Cottonwood Creek Bridge on the road from Dulzara to Potrero. 305 Comment
  RSA306014  Ambrosia confertiflora R. F. Thorne, Barry A. Prigge, David C. Michener 1979-10-19 53861 San Bernardino New York Mountains: S of Mountains along New York Mountain Road from Lanfair Valley, ca. 1 mile E of mouth of Caruthers Canyon 1585 Comment
  RSA381572  Ambrosia confertiflora A. C. Sanders, B. Pitzer, S. Morgan 1987-5-14 7064 San Diego W end of Otay Mesa, E of San Ysidro, head of Dillon Canyon Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  RSA533484  Ambrosia confertiflora Timothy S. Ross 1991-3-9 4179 Los Angeles Whittier Hills: SE side of ridgetop knoll, head of Oak Canyon. 369 Comment
  RSA549992  Ambrosia confertiflora Scott D. White 1992-9-23 856 Orange Vicinity of Olinda, near city of Brea, immediately N of Carbon Cyn Rd & E of Placentia Ave.; ca. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
Read comments
Mar 21 2011
  RSA643281  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
Read comments
Mar 21 2011
  RSA643287  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-6-9 s.n. San Diego Otay River Watershed: Chula Vista, Otay Valley Rd., 3.6 mi. E of 3rd Ave. Site Acf-70-12. 61 Comment
  RSA643297  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-6-10 s.n. Los Angeles San Gabriel Valley: Arcadia, NE side of Colorado Place between Oakhurst Lane and Colorado Blvd., just N of Santa Anita Park. 152 Comment
  RSA643299  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-9-18 s.n. San Diego Peninsular Range: Old Hwy 80 between Boulevard and Live Oak Springs, 0.4 mi. west of McCain Valley Rd. 1159 Comment
  RSA643346  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1969-7-29 s.n. San Diego Peninsula Range: W edge of Jacumba. 884 Comment
  RSA643606  Ambrosia confertiflora Jon P. Rebman, Michael Kelley 1999-9-26 6028 San Diego Frank Unmack's ranch; between Jacumba and Boulevard; south of Bankhead Springs and Old Highway 80. 1070 Comment
  RSA648062  Ambrosia confertiflora J. C. Roos 1943-4-10 2613 San Bernardino Loma Linda. Comment
  RSA664191  Ambrosia confertiflora J. C. Roos 1937-8-23 s.n. San Bernardino Loma Linda. Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  RSA696002  Ambrosia confertiflora Jon P. Rebman, K. Rich, B. Laurie, Oscar Solis 2000-5-26 6717 San Diego Moody Canyon area, just E of San Ysidro Jr. High School. 90 Comment
  RSA702190  Ambrosia confertiflora Scott D. White, Pam De Vries 2004-6-14 10484 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA733102  Ambrosia confertiflora J. Barth 2005-10-13 651 A San Diego Jacumba Valley, on the shoulders of Old High Way 80 between the town of Jacumba and Jacumba Airstrip, approx 1.5 mi. SSE of Round Mtn, and 0.3 mi. N of the international border. 855 Comment
  RSA736009  Ambrosia confertiflora Scott D. White, Justin M. Wood 2008-6-4 12051 Los Angeles Puente Hills: SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25. 335 Comment
  RSA736034  Ambrosia confertiflora Scott D. White, Jamie Minor 2008-3-13 11765 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  RSA739770  Ambrosia confertiflora John Dittes, R. A. Dittes 2006-10-30 1422 Los Angeles El Encino Land Grand, S Coast Sub-region, San Fernando Valley, Sepulveda Dam Flood Control Basin, 2.2 air miles SW of Van Nuys Civic Center, 0.9 air mile S of Victory Blvd, 0.9 air mile W of the San Diego Freeway 405,, 0.6 air mile N of the Ventura Freeway 101, next to Apollo field Model Airport. 207 Comment
  RSA749905  Ambrosia confertiflora Kelly Volansky 2006-2-17 s.n. Los Angeles Montebello Hills, east of Montebello Blvd. near the Paramount Blvd. exit from Hwy 60 113 Comment
  RSA750876  Ambrosia confertiflora Scott D. White, J. D. England 2009-7-1 13197 San Bernardino San Bernardino Mountains: Cienega Seca Creek, adj. to Hwy 38, from 0.5 to 1 mile down canyon from junction w/ Wildhorse Rd. (2N93.2). 2189 Comment
  RSA753390  Ambrosia confertiflora J. Andre, Gilbert Ocampto, Steven Dreher, Tasha La Doux 2008-10-3 9914 San Bernardino New York Mts.: along Ivanpah Road, approx. 0.3 miles WSW of Barnwell, Mojave National Preserve. 1478 Comment
  RSA765037  Ambrosia confertiflora J. Andre 2009-6-7 11181 San Bernardino Mid Hills. Along Cedar Canyon Road. Approx 6 miles W of Ivanpah/Lanfair Rd jct. Pinto Valley, Mojave National Preserve. 1447 Comment
  RSA792703  Ambrosia confertiflora J. Andre 2011-9-16 20200 San Bernardino New York Mtns: Mojave National Preserve. Along NY Mtns Rd 0.6 mi west of Jct with road to Caruthers Cyn, 6.6 mi NE of Jct with Cedar Canyon Rd at Rock House. 1647 Comment
  RSA792880  Ambrosia confertiflora Duncan S. Bell 2012-9-4 4086 San Bernardino Mescal Range; east slopes of range approximately 2 air miles northwest of Kokoweef Peak in the Dinosaur Trackway ACEC. 1603 Comment
  RSA797708  Ambrosia confertiflora J. Andre 2012-9-5 22946 San Bernardino Mid Hills. Along Cedar Canyon Rd, 8.0 mi NE of Jct with Cima Rd, at southern base of Pinto Mountain. 1570 Comment
  RSA800489  Ambrosia confertiflora J. Andre 2011-10-7 22569 San Bernardino Mojave National Preserve: along US Hwy 66 (Natl. Trails Hwy) just west of Goffs, north side of road. 777 Comment
  SBBG119940  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside E side of Intertstae 215 at Alessandro Blvd, Moreno Valley (Edgemont) 470 Comment
  SBBG126267  Ambrosia confertiflora A. C. Sanders with T. B. Salvato 2009-5-29 37040 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of the 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
Read comments
May 2 2014
  SBBG41059  Ambrosia confertiflora H. M. Pollard 1963-10-18 Santa Barbara Refugio Pass Rd 365 Comment
  SBBG61668  Ambrosia confertiflora C. F. Smith 1945-10-17 1619 Santa Barbara coastal side of Refugio Pass Rd, before ascending Santa Ynez Mtns Comment
  SBBG61683  Ambrosia confertiflora Mr. Woodhams 1939-11-8 438 Santa Barbara Refugio Cyn Comment
  SBBG7538  Ambrosia confertiflora C. F. Smith 1948-8-6 2244 Santa Barbara near De La Guerra and Milpas Streets; Santa Barbara Comment
  SBBG88109  Ambrosia confertiflora H. M. Pollard 1952-6-22 Santa Barbara Refugio Cyn Comment
  SD113186  Ambrosia confertiflora Darley F. Howe 1935-6-9 252 San Diego Otay Valley Comment
  SD11528  Ambrosia confertiflora Frank F. Gander 1935-6-12 219 10 San Diego Otay Mesa, 2 miles east of San Ysidro. Comment
  SD11568  Ambrosia confertiflora Frank F. Gander 1935-6-12 218 11 San Diego Bed of Otay River near Otay. Comment
  SD122722  Ambrosia confertiflora Vince Scheidt 1987-11-27 San Diego Mouth of Dennery Canon where it enters the Otay River Valley. Comment
  SD12388  Ambrosia confertiflora Frank F. Gander 1935-10-31 278 9 San Diego 6 miles west of Jacumba Comment
  SD125673  Ambrosia confertiflora A. C. Sanders, B. Pitzer, and Steve Morgan 1987-5-14 7064 San Diego West end of Otay Mesa, east of San Ysidro, head of Dillon Canyon. 149 Comment
  SD143586  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1969-7-29 San Diego West edge of Jacumba 883 Comment
  SD143587  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-9-18 San Diego Old Highway 80 between Boulevard and Live Oak Springs, 0.4 miles west of McCain Valley Road 1159 Comment
  SD143588  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 Riverside Moreno Badlands, west of Beaumont, south side of Highway 60, 2 miles west of Jackrabbit Trail 686 Comment
  SD143589  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-6-9 San Diego Chula Vista, Otay Valley Road, 3.6 miles east of 3rd Ave. 60 Comment
  SD146375  Ambrosia confertiflora Jon Rebman, Michael Kelley 1999-9-26 6028 San Diego Frank Unmack's ranch; between Jacumba and Boulevard; south of Bankhead Springs and Old Hwy. 80 1070 Comment
  SD148646  Ambrosia confertiflora Suzanne Bell 2000-7-3 407 San Diego Sycamore Canyon near Otay Mountain, Ao mile from Highway 94 245 Comment
  SD154109  Ambrosia confertiflora Craig Reiser 2000-6-2 San Diego ca. 0.5 miles west of 805 Freeway in Otay Valley, south side of the valley, growing near trail in sage scrub at the foot of the slope Comment
  SD154628  Ambrosia confertiflora Jon P. Rebman, K. Rich, B. Laurie, O. Solis, John K. 2000-5-26 6717 San Diego Moody Canyon area, just east of San Ysidro Jr. High School 89 Comment
  SD170004  Ambrosia confertiflora Mark A. Elvin 2004-4-24 3338 San Diego Otay Mountain; SE base, W end Marron Valley on slopes of mtn. N of Tijuana R., between Mine and Butteweg canyons. 167 Comment
  SD175972  Ambrosia confertiflora Joe Barth 2005-10-13 643 San Diego Jacumba Valley, on the shoulders of Old Highway 80 between the town of Jacumba and Jacumba Airstrip, approx 1.5 miles SSE of Round Mtn, and 0.3 mile N of the international border. 854 Comment
  SD175973  Ambrosia confertiflora Margaret R. Mulligan, Joe Barth 2005-8-9 1323 San Diego Walker Canyon Ecological Reserve (California Fish & Game): between the towns of Boulevard and Jacumba on the north side of Interstate 8. Western half of riparian zone. 957 Comment
  SD178850  Ambrosia confertiflora Joe Barth 2005-10-13 651 A San Diego Jacumba Valley, on the shoulders of Old Highway 80 between the town of Jacumba and Jacumba Airstrip, approx 1.5 miles SSE of Round Mtn, and 0.3 mile N of the international border. 854 Comment
  SD187607  Ambrosia confertiflora Larry Hendrickson 1997-6-6 947 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish & Game. Approx. 13 mi SE of intersection of State Hwy 79 and County Hwy S-2, west of Hwy S-2 and cattle guard, along ranch road that parallels fence at south boundary of property. 783 Comment
  SD196203  Ambrosia confertiflora Mike Logan, Sharan Logan 2007-9-2 1026 San Diego Dameron Valley, N side of Hwy 79 at the Riverside and San Diego County line along the N side of the Hwy 718 Comment
  SD196204  Ambrosia confertiflora Larry Hendrickson 1999-10-6 1165 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish & Game. Approx. 12.5 miles SE of intersection of State Hwy 79 and County Hwy S-2, westside of S-2 in abandoned field. 799 Comment
  SD196205  Ambrosia confertiflora Larry Hendrickson 2007-8-4 2479 San Diego San Felipe Valley, 4 mi W of Scissors Crossing, southeast of Volcan Mountains, at mouth of Banner Canyon, beside State hwy. 78 near Banner Queen Ranch, 0.8 mile northeast of intersection with Chariot Canyon Road. 794 Comment
  SD196206  Ambrosia confertiflora Barbara Booth 2007-10-6 75 San Diego Oak Grove. 25249 Oak Grove Truck Trail, ca. 1 mile S of its intersection with Highway 79, in middle of large mowed field between Temecula Creek and Oak Grove Truck Trail. 915 Comment
  SD19680  Ambrosia confertiflora Frank F. Gander 1937-10-14 4616 San Diego Boulevard Comment
  SD20236  Ambrosia confertiflora Frank F. Gander 1938-1-7 4909 San Diego Telegraph Canyon. Comment
  SD219702  Ambrosia confertiflora Larry Hendrickson 2009-10-9 4315 San Diego Upper San Felipe Valley, between Volcan Mountain and San Felipe Hills, near the historic town of San Felipe. At County Road S-2, 2.0 surface miles S of the intersection with Montezuma Valley Road (S-22). 1059 Comment
  SD219703  Ambrosia confertiflora Larry Hendrickson 2009-10-9 4322 San Diego Valle de San Jose (Portilla), E of Lake Henshaw, at intersection of County Road S-2 and Montezuma Valley Road (S-22). 1029 Comment
  SD219704  Ambrosia confertiflora Larry Hendrickson 2009-7-26 4148 San Diego San Felipe Valley. State hwy. 78 at access gate to San Felipe Valley Wildlife Area, California Department of Fish & Game property. 3.1 mile WSW of the SW intersection of 78 and County Rd. S-2, and 1.7 miles NE of intersection of 78 and Chariot Canyon Rd 776 Comment
  SD219705  Ambrosia confertiflora Larry Hendrickson 2009-9-7 4243 San Diego San Felipe Valley Wildlife Area, California Department of Fish & Game property, SE of Volcan Mountain. 3.0 air miles SW of intersection of State hwy. 78 and the SW intersection with County Road S-2, and 0.2 mile north of access road at hwy. 78. 768 Comment
  SD23064  Ambrosia confertiflora Charles F. Harbison 1938-9-24 San Diego Banner Comment
  SD23195 Image available Ambrosia confertiflora Frank F. Gander 1938-10-20 6832 San Diego Near Oak Grove Comment
  SD237297  Ambrosia confertiflora Kelly Volansky 2006-2-17 Los Angeles San Gabriel Valley: Montebello Hills, east of Montebello Blvd. near the Paramont Blvd. exit from Hwy 60. 113 Comment
  SD238310 Image available Ambrosia confertiflora Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-4-22 28053 San Diego Camp Pendleton: Training Area Bravo Three: northwestern portion of Base; on hills above and south of San Mateo Creek, east of Guacamole Road & southeast of the convergence of San Mateo & Cristianitos creeks 85 Comment
  SD242400  Ambrosia confertiflora Phillip Roullard 2010-8-12 310 San Diego Border Field State Park; 1.65 mile WSW of intersection Hollister Road and Monument Road; 550 yards N of the border EPA restoration site between the sediment basins on the East and Monument Rd. 4 Comment
  SD243799  Ambrosia confertiflora 1978-7-5 San Diego [Locality determined by SDNHM] Redondo Flat Comment
  SD244067  Ambrosia confertiflora O. F. Clarke 2009-11-26 Riverside Peninsular Range: Riverside; O.F. Claarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  SD246311  Ambrosia confertiflora Jon P. Rebman, W. Schmidtmann, G. Kenney, & J. Asmus 2015-3-3 29518 San Diego Camp Pendleton: southwest portion of Base; NW of the Santa Margarita River; Oscar 1 Training Area; along dirt road connecting Macs Rd. and N. River Rd. 95 Comment
  SD252815  Ambrosia confertiflora J. M. Andre 2013-9-2 25345 San Bernardino Region: MNP; Castle Peaks Mojave National Preserve; along trail into Castle Pks Wilderness area, SW end of range, 1.4 mi. N. of Hart Mine Rd, 3.2 mi. E. of Barnwell (Jct Ivanpah Rd) 1419 Comment
  SD252816  Ambrosia confertiflora J. M. Andre 2013-8-28 25493 San Bernardino Region: MNP; Mid Hills Mojave National Preserve; SW base of Pinto Mtn, along north side of Cedar Canyon Rd, 7.1 mi. east of Jct w/Cima Rd, 1.0 mi. east of Jct Black Cyn Rd 1543 Comment
  SD254193  Ambrosia confertiflora Jon Rebman, W. Schmidtmann, M. Mulligan, & G. Kenney 2016-4-6 31387 San Diego Camp Pendleton: northwestern portion of Base; Alpha Two Training Area; east of I-5 and south of Basilone Road, northeastern end of San Onofre Mountains above San Onofre Creek, foothills above the riparian area 180 Comment
  SD254796  Ambrosia confertiflora Susan T Welker 1993-6-22 San Diego West end of Little Valley, north of road between Jewel Valley Rd. And Lake Domingo. West of railway tracks. E. of Tierra del Sol (old Hipass). Near stock ponds. 1068 Comment
  SD8636  Ambrosia confertiflora unknown 1884-10-11 San Diego Sweetwater Valley. Comment
  SDSU16390  Ambrosia confertiflora Suzanne Bell 2000-7-3 407 San Diego Sycamore Canyon near Otay Mountain, 1.4 mile from Highway 94. T17S R2E ne1/4 S31 244 Comment
  SEINET2043500 Image available Ambrosia confertiflora Jon P. Rebman, Michael Kelley 1999-9-26 6028 San Diego Frank Unmack's ranch; between Jacumba and Boulevard; S of Bankhead Springs and Old HWY 80. 1070 Comment
  SEINET235615  Ambrosia confertiflora A. C. Sanders, Mitch Provance 1999-6-28 22916 Ventura Simi Valley: Marr Ranch between Tapo and Chivo Canyons ca 2 miles N of Santa Susana (Simi Valley East Quad) 375 Comment
  SEINET3133459  Ambrosia confertiflora S. B. Parish 1907-9-14 6454 San Bernardino San Bernardino Valley; S CA 305 Comment
  SEINET3240738  Ambrosia confertiflora Mike Logan, Sharan Logan 2007-1 1026 San Diego Dameron Valley, N side of Hwy 79 at the Riverside and San Diego County line along the N side of the Hwy. 718 Comment
  SEINET4559627  Ambrosia confertiflora J. Andre 2012-1 22946 San Bernardino Mid Hills; along Cedar Canyon Rd, 8.0 mi. NE of Jct with Cima Rd. , at southern base of Pinto Mountain 1570 Comment
  SEINET4691693  Ambrosia confertiflora O. F. Clarke 2009-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET6097463  Ambrosia confertiflora Unknown 1987-5-8 3059 San Diego City of San Diego. Mission Bay; flood diversion near park. Comment
  SEINET7987751  Ambrosia confertiflora Jon P. Rebman 1999-9-26 6028 San Diego San Diego, California, Frank Unmack s ranch; between Jacumba and Boulevard 1070 Comment
  SEINET8044397 Image available Ambrosia confertiflora Larry Hendrickson 1999-1 1165 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish and Game; Approx. 12.5 miles SE of intersection of State Hwy. 79 and County Hwy. S-2, westside of S-2 in abandoned feild 799 Comment
  SFV13962  Ambrosia confertiflora V. E. Rudd 1985-10-28 3710 Monterey Carmel by the Sea. Beach above high tide. Comment
  UC1587653  Ambrosia confertiflora Tim Ross 1991-3-9 4179 Los Angeles head of, (Whittier Hills, se side of ridgetop knoll, center of NW1/4 section) Oak Canyon; Puente Hills, Whittier Hills 368 Comment
  UC1787369  Ambrosia confertiflora Jon P. Rebman, K. Rich, B. Laurie, O. Solis, John K. 2000-5-26 6717 San Diego Moody Canyon area, just east of San Ysidro Jr. High School 90 Comment
  UC1929305  Ambrosia confertiflora Scott D. White, Justin Wood 2008-6-4 12051 Los Angeles Puente Hills; SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25. 335 Comment
  UC196831  Ambrosia confertiflora unknown 1881-4-1 San Bernardino Colton Pacific Coast Comment
  UC473968  Ambrosia confertiflora Ira L. Wiggins 1928-6-16 3236 San Diego near, in dry wash of Otay River Otay; Otay River Comment
  UC527722  Ambrosia confertiflora C. B. Wolf 1931-5-27 San Diego .5 mi w, on rd from Dulzura to Potrero Cottonwood Creek Bridge; Cottonwood Valley 304 Comment
  UC579546  Ambrosia confertiflora C. M. Belshaw 1935-12-1 206 Tuolumne 1 mi e Jacksonville 335 Comment
  UC676849  Ambrosia confertiflora Ira L. Wiggins 1928-6-16 3236 San Diego s of, in dry wash of Otay River Otay; Otay River Comment
  UC754292  Ambrosia confertiflora R. Bacigalupi 1941-10-6 2727 San Francisco ca 400 ft west, along Army Street (empty lots) Third (Kentucky) Streeet; San Francisco Comment
  UCD128686  Ambrosia confertiflora K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  UCD128687  Ambrosia confertiflora A. C. Sanders; P. MacKay, S. White and M. Bagley 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  UCR109521  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  UCR109524  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  UCR109677  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-6-9 s.n. San Diego Otay River Watershed, Chula Vista, Otay Valley Rd., 3.6 mi. east of 3rd Ave. 61 Comment
  UCR109688  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-6-10 s.n. Los Angeles San Gabriel Mtns., Arcadia, NE side of Colorado Place between Oakhurst Lane and Colorado Blvd., just north of Santa Anita Park 152 Comment
  UCR109692  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-9-18 s.n. San Diego Peninsular Range, Old Hwy 80 between Boulevard and Live Oak Springs, 0.4 mi. west of McCain Valley Rd. 1159 Comment
  UCR109695  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1969-7-29 s.n. San Diego Peninsular Range, W edge of Jacumba 884 Comment
  UCR119409  Ambrosia confertiflora Mitch Provance 1998-6-20 752 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR120120  Ambrosia confertiflora Jon P. Rebman, Michael Kelley 1999-9-26 6028 San Diego Peninsular Range, Frank Unmack's Ranch; between Jacumba and Boulevard; south of Bankhead Springs and Old Hwy 80 1070 Comment
  UCR126157  Ambrosia confertiflora A. C. Sanders, Mitch Provance 1999-6-28 22916 Ventura Simi Valley, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana 396 Comment
  UCR132701  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  UCR147151  Ambrosia confertiflora Jon P. Rebman, Et al. 2000-5-26 6717 San Diego Coastal Plains & Basins; South Coastal Plain region, Moody Canyon area, just east of San Ysidro Jr. High School 90 Comment
  UCR147325  Ambrosia confertiflora Mark A. Elvin 2004-4-24 3338 San Diego San Ysidro Mountains, Otay Mountain; SE base, W end Marron Valley on slopes of mtn. N of Tijuana River, between Mine and Butteweg canyons 168 Comment
  UCR147466  Ambrosia confertiflora Sue Bell 2000-7-3 407 San Diego Sycamore Canyon near Otay Mtn, 0.25 mi from Highway 94 245 Comment
  UCR16796  Ambrosia confertiflora S. L. Lackey 1973-4-19 s.n. Santa Barbara Refugio Canyon; east of Gaviota 306 Comment
  UCR171412  Ambrosia confertiflora Margaret R. Mulligan, Joe Barth 2005-8-9 1323 San Diego Walker Canyon Ecological Reserve (California Fish & Game): between the towns of Boulevard and Jacumba on the north side of Interstate 8. Western half of riparian zone. San Diego Atlas Square T27 957 Comment
  UCR18305  Ambrosia confertiflora A. C. Sanders 1979-10-14 639 San Bernardino Eastern Mojave Desert, Ford Dry Lake near Hackberry Mtn. 1223 Comment
  UCR18434  Ambrosia confertiflora O. F. Clarke 1975-11-10 s.n. Riverside Box Springs Mtns., Two Trees Canyon 459 Comment
  UCR18587  Ambrosia confertiflora John C. Roos 1949-10-12 4691 San Bernardino San Bernardino Valley, Loma Linda 305 Comment
  UCR199716  Ambrosia confertiflora Scott D. White, Justin Wood 2008-6-4 12051 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  UCR202767  Ambrosia confertiflora Mike Logan, Sharan Logan 2007-9-2 1026 San Diego Dameron Valley, north side of Hwy 79 at the Riverside/San Diego Co lin along the north side of the hwy. Square: C15 718 Comment
  UCR203015  Ambrosia confertiflora Larry Hendrickson 1999-10-6 1165 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish and Game, c. 12.5 mi southeast of intersection of State Hwy 79 and county hwy S-2, westside of S-2 in abandoned field. I21 799 Comment
  UCR205711  Ambrosia confertiflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37031 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205864  Ambrosia confertiflora Kelly Volansky 2006-2-17 s.n. Los Angeles San Gabriel Valley, Montebello Hills, east of Montebello Blvd. near the Paramount Blvd. exit from Hwy 60 113 Comment
  UCR206168  Ambrosia confertiflora A. C. Sanders, T. B. Salvato 2009-5-29 37040 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR210584  Ambrosia confertiflora Jim Andre, G. Ocampo, Stephen Dreher, T. La Doux 2008-10-3 9914 San Bernardino Eastern Mojave Desert, New York Mountains; along Ivanpah Rd., c. 0.3 miles WSW of Barnwell, Mojave National Preserve 1478 Comment
  UCR216529  Ambrosia confertiflora Jim Andre, T. La Doux, G. L. Clifton 2009-10-24 11324 San Bernardino Eastern Mojave Desert, Hackberry Mountains, northeast end of Hackberry Mountain along dirt road to Hackberry Spring 1167 Comment
  UCR218341  Ambrosia confertiflora Jim Andre 2009-6-7 11181 San Bernardino Eastern Mojave Desert, Mid Hills, along Cedar Canyon Road c. 6 miles west of the Ivanpah/Lanfair Road junction, Pinto Valley, Mojave National Preserve 1447 Comment
  UCR222214  Ambrosia confertiflora Jim Andre, T. La Doux 2010-9-22 14847 San Bernardino Eastern Mojave Desert, Mojave National Preserve; wilderness boundary trailhead at 'hiking corridor' on south side of Castle Peaks 1541.68 Comment
  UCR233589  Ambrosia confertiflora Dave Silverman 2010-5-6 7957 San Diego East Otay Valley, at mouth of Salt Creek, in dry side drainage, c. 1.4 km WSW of Lower Otay Lake, and 3.4 km W of Rock Mountain. 91 Comment
  UCR233980  Ambrosia confertiflora Dave Silverman 2010-5-5 7946 .1 San Diego Otay Valley, W of Otay Lakes, along Wiley Road, N side of Otay River, 175m E of H-125, one mile ESE of Rock Mountain 67 Comment
  UCR234410  Ambrosia confertiflora Dave Silverman 2010-5-5 7946 .2 San Diego Otay Valley, W of Otay Lakes, along Wiley Road, N side of Otay River, 175m E of H-125, one mile ESE of Rock Mountain 67 Comment
  UCR240245  Ambrosia confertiflora Dan S. Cooper 2012-9-26 912- 59 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  UCR24357  Ambrosia confertiflora John C. Roos 1942-10-10 1722 Los Angeles Westwood Village, Malcolm Ave. and Santa Monica Blvd. 98 Comment
  UCR247999  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  UCR251771  Ambrosia confertiflora S. J. Myers 2014-7-2 s.n. Riverside Banning, SE of intersection of Westward Ave. and 8th St. Comment
  UCR253430  Ambrosia confertiflora Jim Andre 2012-9-27 22132 San Bernardino Eastern Mojave Desert, Mojave National Preserve; east of the New York Mtns, along Ivanpah Rd at Barnwell and Jct of Hart Mine Rd. 1464 Comment
  UCR254290  Ambrosia confertiflora Jim Andre 2011-10-7 22569 San Bernardino Eastern Mojave Desert, Mojave National Preserve; along US Hwy 66 (National Trails Hwy) just west of Goffs 777 Comment
  UCR254947  Ambrosia confertiflora Jon P. Rebman, Warren Schmidtmann, G. Kenney 2014-4-22 28053 San Diego Camp Pendleton, Training Area Bravo Three, northwestern portion of base, hills above and south of San Mateo Creek east of Guacamole Road and southeast of the convergence of San Mateo and Cristianitos Creek. Square: C1 85 Comment
  UCR255482  Ambrosia confertiflora Dan S. Cooper 2014-6-4 614- 15 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Weidlake Dr., SE of Hollywood Reservoir 201 Comment
  UCR265335  Ambrosia confertiflora Larry Hendrickson 1997-6-6 947 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish & Game, c. 13 mi southeast of intersection of State Hwy 79 and County Hwy S-2, west of Hwy S-2 and cattle guard, along ranh road that parallels fence at south boundary of property. Square: I21 784 Comment
  UCR265343  Ambrosia confertiflora Jon P. Rebman, Warren Schmidtmann, G. Kenney, J. Asmus 2015-3-3 29518 San Diego South Coast; Santa Margarita Mountains, Camp Pendleton, southwest portion of Base, northwest of the Santa Margarita River, Oscar 1 Training Area, along dirt road connecting Macs Road and North River Road. Square: F5 95 Comment
  UCR267536  Ambrosia confertiflora Jim Andre 2014-9-24 29933 San Bernardino Eastern Mojave Desert, Castle Peaks, far west end of range, east of New York Mountains, 0.5 miile southeast of Barnwell, 0.2 mi. north of Hart Mine Road, at old windmill site 1441 Comment
  UCR268538  Ambrosia confertiflora Jim Andre 2014-9-10 30607 San Bernardino Eastern Mojave Desert, Castle Peaks; far west end of range along Ivanpah Rd., 1.5 miles NE of Barnwell, east of New York Mountains 1394 Comment
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR281837  Ambrosia confertiflora R. E. Riefner Jr. 2017-8-23 17- 424 Orange South Coast, city of Huntington Beach, Harriet M. Wieder Regional Park, east of Pacific Coast Hwy, north side of Seapoint Street, opposite Cherryhill Drive Comment
  UCR37030  Ambrosia confertiflora A. C. Sanders, O. F. Clarke 1984-10-17 5334 San Bernardino San Bernardino Valley, Redlands: Prospect Park, intersection of Cajon Ave. and New Prospect Street 489 Comment
  UCR70752  Ambrosia confertiflora Rimo Bacigalupi 1941-10-6 2727 San Francisco San Francisco: along Army St. [=Cesar Chavez St.] c. 400 ft. west of Third (Kentucky) St. 4 Comment
  UCR73408  Ambrosia confertiflora T. S. Ross 1991-3-9 4179 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll 367 Comment
  UCR92710  Ambrosia confertiflora A. C. Sanders 1996-4-21 18064 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCR96126  Ambrosia confertiflora B. G. Pitzer 1996-11-4 2920 San Bernardino San Bernardino Valley, San Timoteo Canyon, small box canyon behind private residence at 28400 San Timoteo Canyon Rd, c. 1/4 mi. west of Alessandro Rd. 488 Comment
  VVC2219  Ambrosia confertiflora Jim Andre 2009-6-7 11181 San Bernardino Mojave Desert, Mid Hills; north end of Woods Mtns ca 0.3 mi NE of Rock Springs (and historic Rock House at Cedar Cun Rd) 1 mi E of Govt Holes. Pinto Valley. MNP 1514 Comment
  CAS-BOT-BC44983  Ambrosia confertiflora Walter S. Ball 1934-1-1 s.n. Alameda Niles Comment
  CAS-BOT-BC44984  Ambrosia confertiflora Geo. Hansen 1896-6-6 2023 Amador Clinton Comment
  CAS-BOT-BC44985  Ambrosia confertiflora John Thomas Howell 1963-6-22 39508 Monterey Salinas Valley, 2 mi S of King City Comment
  CAS-BOT-BC44988  Ambrosia confertiflora M. K. Bellue 1937-10-1 s.n. Santa Barbara Near Santa Maria Comment
  CAS-BOT-BC44990  Ambrosia confertiflora Otto H. Swezey 1957-12-1 s.n. Santa Clara Mastic St., San Jose Comment
  CAS-BOT-BC44991  Ambrosia confertiflora Otto H. Swezey 1958-1-20 s.n. Santa Clara Mastic Ave., San Jose Comment
  CAS-BOT-BC44992  Ambrosia confertiflora Otto H. Swezey 1957-10-11 s.n. Santa Clara Mastic St., San Jose Comment
  CAS-BOT-BC44993  Ambrosia confertiflora John Thomas Howell 1954-5-18 s.n. Tuolumne Tuttletown, NW of Jamestown 457 Comment
  CAS-BOT-BC44994  Ambrosia confertiflora John Thomas Howell 1954-5-18 s.n. Tuolumne Jacksonville Comment
  CAS-BOT-BC44997  Ambrosia confertiflora Louis C. Wheeler 1931-10-16 255 Los Angeles 1 mile W of Arcadia 137 Comment
  CAS-BOT-BC45006  Ambrosia confertiflora P. H. Raven 1959-11-7 14733 Los Angeles Just below Hollywood Reservoir 182 Comment
  CAS-BOT-BC45008  Ambrosia confertiflora John Thomas Howell 1927-11-18 3206 Los Angeles About 1 mile SW of UCLA on N Ardmore St., Los Angeles Comment
  CAS-BOT-BC55606  Ambrosia confertiflora R. Bacigalupi 1941-10-6 2727 San Francisco Along Army Street (empty lots), about 400 feet west of Third (Kentucky), Street, San Francisco Comment
  CAS-BOT-BC55607  Ambrosia confertiflora R. Bacigalupi 1941-10-6 2727 San Francisco Along Army Street (empty lots), about 400 feet west of Third (Kentucky), Street, San Francisco Comment
  CAS-BOT-BC55608  Ambrosia confertiflora John Thomas Howell 1956-7-15 s.n. San Francisco Waterfront Street Comment
  CAS-BOT-BC55609  Ambrosia confertiflora John Thomas Howell 1956-11-4 31948 San Francisco Waterfront St near Mission Rock Terminal Comment
  CDA19687  Ambrosia confertiflora D. Brown 2001-10-17 PDR 024367 Colusa Northern California; Vicinity of Colusa 0 Comment
  CDA9970  Ambrosia confertiflora T. C. Fuller 1959-10-27 3260 Stanislaus Road to Sonora, 0.5 mile north of La Grange. 0 Comment
  CDA9971  Ambrosia confertiflora C. R. Tower 1950-12-8 San Bernardino North curbstone, 1000 West A Street, Ontario. 0 Comment
  GH283089  Ambrosia confertiflora T. Coulter 259 Unknown Comment
  JEPS30439  Ambrosia confertiflora Peter H. Raven 1959-11-7 14733 Los Angeles just below Hollywood Reservoir; Santa Monica Mountains 182 Comment
  JEPS30688  Ambrosia confertiflora Peter H. Raven 1961-10-8 16875 Los Angeles along n side of Sunset Boulevard just w of Alta Drive Beverly Hills Comment
  JEPS30708  Ambrosia confertiflora Peter H. Raven 1961-10-13 16844 Los Angeles along, (Arcadia) US Hwy 66; Arcadia 198 Comment
  JEPS6123  Ambrosia confertiflora V. F. Hesse 1953-11-24 1224 Santa Cruz Southern Pacific Railroad Yards; Santa Cruz 9 Comment
  JEPS6126  Ambrosia confertiflora V. F. Hesse 1953-10-27 1222 Santa Cruz Southern Pacific Railroad Yards; Santa Cruz 9 Comment
  PGM7468  Ambrosia confertiflora David Styer 2005-11-17 Monterey Northern Monterey County, Ft. Ord in grasslands, NE portion of fort westerly of Highway 68 Comment
  POM187374  Ambrosia confertiflora Joseph A. Ewan 1930-9-24 3743 Los Angeles Evan Ranch near North Hollywood. Comment
  POM47222  Ambrosia confertiflora Mary F. Spencer 1918-8-5 975 San Diego San Diego. 50 Comment
  RSA120968  Ambrosia confertiflora Otto H. Swezey 1958-1-20 s.n. Santa Clara Mastic Street, San Jose Comment
  RSA128001  Ambrosia confertiflora Peter H. Raven 1959-11-7 14733 Los Angeles Just below Hollywood Reservoir, Santa Monica Mtns. 183 Comment
  RSA151074  Ambrosia confertiflora Peter H. Raven 1961-10-13 16844 Los Angeles Along U.S. Highway 66, Arcadia. 198 Comment
  RSA151153  Ambrosia confertiflora Peter H. Raven 1961-10-6 16785 Los Angeles Beverly Hills, along north side of Sunset Boulevard just west of Alta Drive. Comment
  RSA223652  Ambrosia confertiflora Donna Howell 1956-11-4 31948 San Francisco Waste ground, Waterfront Street, near Mission Rock, Terminal. Comment
  RSA42951  Ambrosia confertiflora Rimo Bacigalupi 1941-10-6 2727 San Francisco Along Army Street (empty lots), about 400 feet west of Third (Kentucky) Street, San Francisco. Comment
  RSA487181  Ambrosia confertiflora V. Scheidt 1987-11-27 s.n. San Diego Mouth of Dennery Canon in the entrance to Otay R Valley. Comment
  RSA696743  Ambrosia confertiflora Kenneth Beard s.n. Orange Wasteland E. of Placentia. Comment
  RSA93687  Ambrosia confertiflora F. W. Peirson 1932-9-4 10460 San Diego 3 miles east of Chula Vista. 76 Comment
  RSA9764  Ambrosia confertiflora L. C. Wheeler 1933-11-24 2276 Los Angeles Arcadia. 152 Comment
  SBBG61669  Ambrosia confertiflora H. M. Pollard 1946-6-25 Ventura W.W. Gray Ranch, upper Ojai Comment
  SD8635  Ambrosia confertiflora Daniel Cleveland Oct 1882 San Diego Sweetwater Comment
  SEINET11855126  Ambrosia confertiflora S. B. Parish, Parish, W. F. 1880-1 744 Unknown Comment
  SEINET6738530 Image available Ambrosia confertiflora S. B. Parish 1907-9-14 6454 San Bernardino San Bernadino Valley 300 Comment
  UC336147  Ambrosia confertiflora unknown 1881-4-1 San Bernardino Comment



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