Search Results — 1031 specimen records retrieved (759 records with coordinates)
Results for search: Scientific name=Ambrosia chamissonis (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/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
  BLMAR296  Ambrosia chamissonis Jennifer Anthony-Wheeler 2002-6-25 296 Humboldt King range, Growing in dune mat 3 Comment
  CAS-BOT-BC13683  Ambrosia chamissonis S. B. Parish; W. F. Parish 1881-4-1 808 Unknown Sta. Margarita Comment
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Sep 4 2019
  CAS-BOT-BC13685  Ambrosia chamissonis Alice Eastwood 1921-8-7 11054 Alameda Alameda Marsh Comment
  CAS-BOT-BC13686  Ambrosia chamissonis Alice Eastwood 1921-8-7 11065 Alameda Alameda Marsh Comment
  CAS-BOT-BC13694  Ambrosia chamissonis W. R. Dudley 1899-1-1 s.n. Del Norte Crescent City Comment
  CAS-BOT-BC13695  Ambrosia chamissonis J. W. Thompson 1925-8-16 479 Del Norte Crescent City Comment
  CAS-BOT-BC13698  Ambrosia chamissonis Alice Eastwood 1912-9-19 2279 Del Norte Crescent City Comment
  CAS-BOT-BC13700  Ambrosia chamissonis W. S. Cooper 1925-7-28 102 Humboldt Cape Mendocino Comment
  CAS-BOT-BC13701  Ambrosia chamissonis Ira L. Wiggins 1930-7-7 4673 Humboldt Near Samoa Comment
  CAS-BOT-BC13702  Ambrosia chamissonis Ira L. Wiggins 1940-7-10 9486 Humboldt Big Lagoon Comment
  CAS-BOT-BC13703  Ambrosia chamissonis Ira L. Wiggins 1930-7-7 4674 Humboldt Near Samoa Comment
  CAS-BOT-BC13704  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt Near Samoa, on Humboldt Bay 6 Comment
  CAS-BOT-BC13705  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  CAS-BOT-BC13706  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt At mouth of Little River Comment
  CAS-BOT-BC13708  Ambrosia chamissonis Le Roy Abrams 1916-7-18 6118 Humboldt Arcata to Trinidad Comment
  CAS-BOT-BC13709  Ambrosia chamissonis Le Roy Abrams 1916-7-18 6119 Humboldt Arcata to Trinidad Comment
  CAS-BOT-BC13710  Ambrosia chamissonis Carl B. Wolf 1927-8-29 1213 Humboldt Devil's Gate, south of Cape Mendocino. Comment
  CAS-BOT-BC13711  Ambrosia chamissonis David D. Keck 1935-6-16 3385 Humboldt Mouth of Little River. Comment
  CAS-BOT-BC13712  Ambrosia chamissonis Huron Herbert Smith 1912-5-9 4955 Los Angeles Redondo Comment
  CAS-BOT-BC13713  Ambrosia chamissonis J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  CAS-BOT-BC13714  Ambrosia chamissonis J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  CAS-BOT-BC13715  Ambrosia chamissonis Alice Eastwood 1906-5-27 75 Los Angeles Ocean Park Comment
  CAS-BOT-BC13716  Ambrosia chamissonis David B. Weissman 1974-8-19 s.n. Los Angeles Point Dume Comment
  CAS-BOT-BC13717  Ambrosia chamissonis Carl B. Wolf 1932-5-12 3594 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  CAS-BOT-BC13718  Ambrosia chamissonis Ernest Braunton 1902-5-25 311 Los Angeles Redondo Comment
  CAS-BOT-BC13719  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey Comment
  CAS-BOT-BC13721  Ambrosia chamissonis Le Roy Abrams 1901-4-1 1195 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC13722  Ambrosia chamissonis Le Roy Abrams 1902-6-9 2492 Los Angeles Playa del Rey Comment
  CAS-BOT-BC13723  Ambrosia chamissonis Le Roy Abrams; Ira L. Wiggins 1931-7-6 358 Los Angeles San Clemente Island, vicinity of Mosquito Harbor Comment
  CAS-BOT-BC13724  Ambrosia chamissonis Le Roy Abrams; Ira L. Wiggins 1931-7-6 358 Los Angeles San Clemente Island, vicinity of Mosquito Harbor Comment
  CAS-BOT-BC13725  Ambrosia chamissonis P. H. Raven; Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC13727  Ambrosia chamissonis John Thomas Howell 1946-7-4 22174 Marin Dillons Beach Comment
  CAS-BOT-BC13728  Ambrosia chamissonis John Thomas Howell 1944-9-24 20755 Marin East side of Bolinas Lagoon Comment
  CAS-BOT-BC13731  Ambrosia chamissonis Adolph Daniel Edward Elmer 1903-7-1 4616 Marin Point Reyes Post Office Comment
  CAS-BOT-BC13732  Ambrosia chamissonis Adolph Daniel Edward Elmer 1903-7-1 4616 Marin Point Reyes Post Office Comment
  CAS-BOT-BC13734  Ambrosia chamissonis Peter H. Raven; Michael P. Johnson 1967-5-2 21240 Marin Angel Island, below East Garrison, east side of island. Comment
  CAS-BOT-BC13737  Ambrosia chamissonis Clare R. Wheeler 1978-5-6 331 Mendocino Mackerricher State Park. Lake Cleone area. Fort Bragg. 25 Comment
  CAS-BOT-BC13738  Ambrosia chamissonis Clare R. Wheeler; Gladys L. Smith 1981-7-29 2683 Mendocino Mackerricher State Park. 4 mi N of Ft Bragg 25 Comment
  CAS-BOT-BC13740  Ambrosia chamissonis Gladys L. Smith 1979-5-24 5325 Mendocino McKerricher State Park. West of logging road at end of Ward Avenue. 20 Comment
  CAS-BOT-BC13741  Ambrosia chamissonis Gladys L. Smith 1979-5-24 5326 Mendocino McKerricher State Park. West of logging road at end of Ward Avenue. 20 Comment
  CAS-BOT-BC13743  Ambrosia chamissonis John Hunter Thomas; Hazelle A. Thomas 1955-6-25 637 Mendocino Noyo. At mouth of Noyo River. Comment
  CAS-BOT-BC13748  Ambrosia chamissonis M. E. Jones 1931-7-10 29 I06 Mendocino Mendocino Comment
  CAS-BOT-BC13749  Ambrosia chamissonis M. E. Jones 1931-7-10 29 I06 Mendocino Mendocino Comment
  CAS-BOT-BC13750  Ambrosia chamissonis C. L. Hitchcock; J. S. Martin 1939-7-14 5425 Mendocino Beach 2 miles north of Westport Comment
  CAS-BOT-BC13751  Ambrosia chamissonis James McMurphy 1903-7-1 358 Mendocino Mendocino Comment
  CAS-BOT-BC13753  Ambrosia chamissonis Alice Eastwood 1912-8-8 1729 Mendocino Mendocino City Comment
  CAS-BOT-BC13754  Ambrosia chamissonis Carl D. Duncan 1920-7-13 268 Mendocino Fort Bragg Comment
  CAS-BOT-BC13755  Ambrosia chamissonis J. T. Howell 1963-9-4 40331 Monterey Moss Landing Comment
  CAS-BOT-BC13756  Ambrosia chamissonis J. T. Howell 1963-9-4 40330 Monterey Moss Landing Comment
  CAS-BOT-BC13757  Ambrosia chamissonis Alice Eastwood 1912-11-9 2417 Monterey Pacific Grove Comment
  CAS-BOT-BC13758  Ambrosia chamissonis Miss Patterson; Miss Wiltz 1907-6-21 s.n. Monterey Near Cypress Point Comment
  CAS-BOT-BC13760  Ambrosia chamissonis Fidella G. Woodcock 1913-9-1 s.n. Monterey Pacific Grove Comment
  CAS-BOT-BC13765  Ambrosia chamissonis A. A. Heller 1903-6-29 6859 Monterey Monterey Comment
  CAS-BOT-BC13766  Ambrosia chamissonis A. A. Heller 1903-6-29 6859 Monterey Monterey Comment
  CAS-BOT-BC13767  Ambrosia chamissonis Peter H. Raven 1957-9-28 11370 Orange North limits of Surfside Comment
  CAS-BOT-BC13769  Ambrosia chamissonis David D. Keck 1933-9-8 2522 Orange Sunset Beach Comment
  CAS-BOT-BC13770  Ambrosia chamissonis David D. Keck 1933-9-8 2540 Orange Sunset Beach Comment
  CAS-BOT-BC13771  Ambrosia chamissonis David D. Keck 1933-9-8 2541 Orange Sunset Beach Comment
  CAS-BOT-BC13772  Ambrosia chamissonis David D. Keck 1933-9-8 2542 Orange Sunset Beach Comment
  CAS-BOT-BC13773  Ambrosia chamissonis David D. Keck 1933-9-8 2543 Orange Sunset Beach Comment
  CAS-BOT-BC13774  Ambrosia chamissonis L. Street 1917-5-12 s.n. San Diego Misson Beach Comment
  CAS-BOT-BC13775  Ambrosia chamissonis P. H. Raven 1959-4-30 14036 San Diego Carlsbad Comment
  CAS-BOT-BC259168  Ambrosia chamissonis E. R. Blakley 1964-9-5 6507 Ventura Frenchman's Cove, West Anacapa Island, Anacapa Island Comment
  CAS-BOT-BC44876  Ambrosia chamissonis Ira L. Wiggins 1928-6-17 3303 San Diego Near Carlsbad Comment
  CAS-BOT-BC44877  Ambrosia chamissonis Ira L. Wiggins 1926-2-21 1865 San Diego Highway south of Carlsbad Comment
  CAS-BOT-BC44878  Ambrosia chamissonis Edith Abigail Purer 1935-5-31 6663 San Diego Silver Strand Comment
  CAS-BOT-BC44879  Ambrosia chamissonis Edgar A. Mearns 1894-7-15 3921 San Diego Vicinity of Monument 258P. Comment
  CAS-BOT-BC44880  Ambrosia chamissonis F. Youngberg 1935-4-7 35 San Diego Silver Stand (Coronado) Comment
  CAS-BOT-BC44881  Ambrosia chamissonis Alice Eastwood 1913-4-26 2964 San Diego Del Mar Comment
  CAS-BOT-BC44882  Ambrosia chamissonis Mrs. Alexander McCallum 1905-3-1 s.n. San Diego Coronado Comment
  CAS-BOT-BC44883  Ambrosia chamissonis A. C. Herre 1902-8-12 s.n. San Diego San Diego, North Island Comment
  CAS-BOT-BC44884  Ambrosia chamissonis A. C. Herre 1902-8-12 s.n. San Diego San Diego Comment
  CAS-BOT-BC44885  Ambrosia chamissonis S. G. Stokes 1895-6-12 s.n. San Diego Near San Diego Comment
  CAS-BOT-BC44886  Ambrosia chamissonis P. H. Raven 1948-9-19 106 San Francisco San Francisco Comment
  CAS-BOT-BC44891  Ambrosia chamissonis Peter Rubtzoff 1952-7-19 1287 San Francisco San Francisco. Presidio. 37th Avenue between Ortega and Quintara Streets. Comment
  CAS-BOT-BC44892  Ambrosia chamissonis Peter Rubtzoff 1952-7-19 1286 San Francisco San Francisco. Presidio. 37th Avenue between Ortega and Quintara Streets. Comment
  CAS-BOT-BC44893  Ambrosia chamissonis Peter Rubtzoff 1952-7-19 1289 San Francisco San Francisco. Presidio. 37th Avenue between Ortega and Quintara Streets. Comment
  CAS-BOT-BC44894  Ambrosia chamissonis John Thomas Howell 1957-5-26 32430 San Francisco San Francisco. North base of Lone Mountain Comment
  CAS-BOT-BC44896  Ambrosia chamissonis Peter Rubtzoff 1952-7-19 1290 San Francisco San Francisco. 37th Avenue between Ortega and Quintara streets. Comment
  CAS-BOT-BC44898  Ambrosia chamissonis Peter Rubtzoff 1951-10-2 810 San Francisco San Francisco. 37th Avenue between Ortega and Quintara Streets Comment
  CAS-BOT-BC44899  Ambrosia chamissonis Volney Rattan 1880-9-1 s.n. San Francisco Golden Gate Park Comment
  CAS-BOT-BC44900  Ambrosia chamissonis Volney Rattan 1880-10-1 s.n. San Francisco Golden Gate Park Comment
  CAS-BOT-BC44903  Ambrosia chamissonis John Thomas Howell 1957-9-19 32967 San Francisco North side of Lone Mountain Comment
  CAS-BOT-BC44904  Ambrosia chamissonis John Thomas Howell 1957-9-19 32968 San Francisco North side of Lone Mountain Comment
  CAS-BOT-BC44905  Ambrosia chamissonis John Thomas Howell 1957-5-26 32432 San Francisco North base of Lone Mountain Comment
  CAS-BOT-BC44906  Ambrosia chamissonis John Thomas Howell 1957-5-26 32432 San Francisco North base of Lone Mountain Comment
  CAS-BOT-BC44910  Ambrosia chamissonis Samuel B. Parish 1881-11-1 s.n. San Francisco Golden Gate Park. San Francisco Comment
  CAS-BOT-BC44912  Ambrosia chamissonis M. K. Curran 1886-8-1 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC44915  Ambrosia chamissonis G. R. Vasey 1880-7-1 281 San Francisco San Francisco Comment
  CAS-BOT-BC44916  Ambrosia chamissonis Le Roy Abrams 1927-7-12 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC44917  Ambrosia chamissonis Le Roy Abrams 1927-7-12 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC44918  Ambrosia chamissonis Le Roy Abrams 1901-9-1 2196 San Francisco San Francisco, Golden Gate Park Comment
  CAS-BOT-BC44920  Ambrosia chamissonis Alice Eastwood 1926-8-10 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC44921  Ambrosia chamissonis N. J. Andersson 1852-1-1 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC44925  Ambrosia chamissonis Robert T. Orr 1961-7-13 s.n. San Mateo Ano Nuevo Island Comment
  CAS-BOT-BC44926  Ambrosia chamissonis W. R. Dudley 1908-10-4 s.n. San Mateo Laguna Salada Comment
  CAS-BOT-BC44931  Ambrosia chamissonis John H. Thomas 1963-5-20 10128 San Mateo Ano Nuevo Island, about 1/2 miles off shore and above 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC44932  Ambrosia chamissonis John H. Thomas 1963-7-19 10187 San Mateo Ano Nuevo Island, about 1/2 miles off shore and above 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC44933  Ambrosia chamissonis David D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach Comment
  CAS-BOT-BC44942  Ambrosia chamissonis Ralph Hoffman 1930-4-10 s.n. Santa Barbara San Miguel Island Comment
  CAS-BOT-BC44946  Ambrosia chamissonis J. T. Howell 1931-4-12 6290 Santa Barbara Cochie Bay, Santa Cruz Island Comment
  CAS-BOT-BC44947  Ambrosia chamissonis J. T. Howell 1931-4-12 6289 Santa Barbara Cochie Bay, Santa Cruz Island Comment
  CAS-BOT-BC44948  Ambrosia chamissonis Alice Eastwood 1917-7-16 6385 Santa Barbara Santa Cruz Island Comment
  CAS-BOT-BC44949  Ambrosia chamissonis Alice Eastwood 1917-7-29 s.n. Santa Barbara Santa Barbara Comment
  CAS-BOT-BC44950  Ambrosia chamissonis M. B. Dunkle 1939-8-13 8599 Santa Barbara Santa Cruz Island, Prisoner's Harbor Comment
  CAS-BOT-BC44951  Ambrosia chamissonis Dennis E. Breedlove 1962-5-17 2865 Santa Barbara Santa Cruz Island, Prisoner's Harbor Comment
  CAS-BOT-BC44952  Ambrosia chamissonis E. R. Blakley 1960-4-5 3197 Santa Barbara Santa Rosa Island, East Point 7 Comment
  CAS-BOT-BC44953  Ambrosia chamissonis Carl B. Wolf 1931-8-15 2308 Santa Barbara 1 mile south of Surf 30 Comment
  CAS-BOT-BC44954  Ambrosia chamissonis Carl B. Wolf 1931-8-15 2308 Santa Barbara 1 mile south of Surf 30 Comment
  CAS-BOT-BC44955  Ambrosia chamissonis J. H. Thomas 1950-9-24 2387 Santa Cruz Between Watsonville Slough and Pacific Ocean near mouth of Pajarao River and Palm Springs Speedway Comment
  CAS-BOT-BC44956  Ambrosia chamissonis J. H. Thomas 1950-9-24 2387 Santa Cruz Between Watsonville Slough and Pacific Ocean near mouth of Pajarao River and Palm Springs Speedway Comment
  CAS-BOT-BC44957  Ambrosia chamissonis J. H. Thomas 1950-9-24 2405 Santa Cruz Between Watsonville Slough and Pacific Ocean near mouth of Pajarao River and Palm Springs Speedway Comment
  CAS-BOT-BC44958  Ambrosia chamissonis J. H. Thomas 1950-10-1 2483 Santa Cruz At mouth of Waddell Creek, 8.5 miles NW of Davenport Comment
  CAS-BOT-BC44959  Ambrosia chamissonis J. H. Thomas 1949-10-23 1182 Santa Cruz At western end of Cliff Drive, Santa Cruz Comment
  CAS-BOT-BC44960  Ambrosia chamissonis Howard E. McMinn 1922-6-25 266 Santa Cruz Palm Beach near Watsonville Comment
  CAS-BOT-BC44961  Ambrosia chamissonis C. H., Miss Thompson 1902-7-4 s.n. Santa Cruz Moore's Beach, Santa Cruz Comment
  CAS-BOT-BC44962  Ambrosia chamissonis M. E. Jones 1881-6-27 2277 Santa Cruz Santa Cruz Comment
  CAS-BOT-BC44963  Ambrosia chamissonis W. H. Rich 1912-5-1 s.n. Santa Cruz Swanton Comment
  CAS-BOT-BC44964  Ambrosia chamissonis W. R. Dudley 1896-10-4 s.n. Santa Cruz Santa Cruz Comment
  CAS-BOT-BC44965  Ambrosia chamissonis Joanne Taylor 1941-7-13 8 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC44966  Ambrosia chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  CAS-BOT-BC44969  Ambrosia chamissonis Steven A. Junak 1990-8-21 SN- 530 Ventura San Nicholas Island, flats above Vizcaino Point 9 Comment
  CAS-BOT-BC44970  Ambrosia chamissonis M. B. Dunkle 1940-8-17 7609 Ventura Anacapa Island Comment
  CAS-BOT-BC44971  Ambrosia chamissonis M. B. Dunkle 1939-7-23 8315 Ventura San Nicholas Island Comment
  CAS-BOT-BC44972  Ambrosia chamissonis H. M. Pollard 1967-8-18 s.n. Ventura Ventura, Oak Street, close to highway 101. Comment
  CAS-BOT-BC44973  Ambrosia chamissonis H. M. Pollard 1967-8-18 s.n. Ventura Ventura. On South Pierpont Blvd., near Marina. Comment
  CAS-BOT-BC44974  Ambrosia chamissonis H. M. Pollard 1970-8-4 s.n. Ventura 1/4 miles west of Ventura River estuary Comment
  CAS-BOT-BC44975  Ambrosia chamissonis H. M. Pollard 1960-10-26 s.n. Ventura Ventura, on south Pierpont Bay Comment
  CAS-BOT-BC44976  Ambrosia chamissonis H. M. Pollard 1945-9-22 s.n. Ventura Near mouth of Ventura River Comment
  CAS-BOT-BC44977  Ambrosia chamissonis E. R. Blakley 1961-4-22 4103 Ventura San Nicholas Island, mesa south of housing area. 121 Comment
  CAS-BOT-BC44978  Ambrosia chamissonis E. R. Blakley 1961-4-22 4128 Ventura San Nicholas Island, at mouth of Tule Creek 15 Comment
  CAS-BOT-BC44979  Ambrosia chamissonis David B. Weissman 1971-6-12 19 Ventura San Nicholas Island, Celery Canyon on north side of island 121 Comment
  CAS-BOT-BC44982  Ambrosia chamissonis Le Roy Abrams; Ira L. Wiggins 1931-7-2 282 Ventura Anacapa Island, north end of middle island Comment
  CAS-BOT-BC61450  Ambrosia chamissonis Alice Eastwood 1906-6-13 791 Santa Barbara Casmailia [Casmalia] Comment
  CAS-BOT-BC61476  Ambrosia chamissonis Alice Eastwood 1926-4-29 13656 San Luis Obispo Cambria Comment
  CAS-BOT-BC61477  Ambrosia chamissonis Ynez Whilton Winblad 1937-6-17 s.n. San Luis Obispo Roosevelt Highway north of San Simeon Comment
  CAS-BOT-BC61479  Ambrosia chamissonis D. E. Breedlove 1962-8-7 4098 San Luis Obispo Oso Flaco Lake, 3 miles north of Guadalupe Comment
  CAS-BOT-BC61481  Ambrosia chamissonis Mrs. E. C. Van Dyke 1928-7-1 2512 San Luis Obispo Pismo Comment
  CAS-BOT-BC61482  Ambrosia chamissonis Chester Dudley 1926-8-21 s.n. San Luis Obispo Near mouth of Arroyo Grande Creek, San Luis Obsipo County Comment
  CAS-BOT-BC61486  Ambrosia chamissonis R. F. Hoover 1964-8-13 9233 San Luis Obispo Mouth of Morro Creek Comment
  CAS-BOT-BC61487  Ambrosia chamissonis R. F. Hoover 1947-7-21 6241 San Luis Obispo North end of Morro Bay Comment
  CATA1164  Ambrosia chamissonis Mark L. Hoefs 1995-5-30 2157 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  CATA154  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 117 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  CATA156  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 118 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  CATA203  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 182 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  CATA204  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  CATA205  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 184 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  CDA14440  Ambrosia chamissonis G. D. Barbe, Annetta Carter, Baki Kasapligil 1973-6-2 1575 Santa Barbara Santa Cruz Island; Christi Beach at mouth of Canada Cervada, west of Christi Ranch. 0 Comment
  CDA17573  Ambrosia chamissonis Austin Griffiths 1980-6-4 s.n. San Luis Obispo Oceano Dunes; Along N Side of Oso Flaco Creek. Comment
  CDA9962  Ambrosia chamissonis T. C. Fuller 1961-9-27 7031 Del Norte Pebble Beach Drive, 1 mile north of Crescent City. 0 Comment
  CDA9964  Ambrosia chamissonis M. K. Bellue Sep 1946 Monterey Pacific Grove. 0 Comment
  CDA9966  Ambrosia chamissonis D. G. Kelch, A. G. Murdock 2004-7-9 4 .312 Contra Costa Carquinez Strait; Rodeo Shore. Rodeo Shoreline. Comment
  CDA9967  Ambrosia chamissonis T. C. Fuller 1961-9-27 7032 Del Norte Pebble Beach Drive, 1 mile north of Crescent City. 0 Comment
  CHSC10149  Ambrosia chamissonis J. W. Johnson 1961-8-17 1022 Humboldt W. M. Lanphere Farm, Samoa Peninsula. Comment
  CHSC20368  Ambrosia chamissonis Z. Parkevich 1975-6-21 Mendocino About 1 mi S of Albion 200 yds off Hwy 101. Comment
  CHSC20508  Ambrosia chamissonis M. S. Taylor 1975-6-9 709 Monterey Around Roberts Lake, Seaside. 6 Comment
  CHSC25552  Ambrosia chamissonis Robert A. Schlising 1963-7-30 2635 Mendocino Coast Ranges. About 6 miles north of Fort Bragg, in sand dunes between Hwy 1 and Pacific Ocean. Comment
  CHSC25592  Ambrosia chamissonis Robert A. Schlising; L. Thurman, J. Anderson 1962-6-30 2329 Marin Coast Ranges. At McClures Beach. Comment
  CHSC26030  Ambrosia chamissonis S. Poolsawat 1969-5-17 24 San Diego 3 miles N of Del Mar. Near San Elijo Lagoon. 1 Comment
  CHSC42156  Ambrosia chamissonis Blake A. Rowe 1986-3-26 23 Ventura Ca. 200 m W of jct of Hwys 101 and 33, W edge of Ventura Co. Fairgrounds. 3 Comment
  CHSC45670  Ambrosia chamissonis Vernon Oswald 1984-8-22 1654 Mendocino Jug Handle State Preserve on Hwy 1 N of Caspar. In a sandy spot near Jug Handle Creek. Coastal Strand. Comment
  CHSC45671  Ambrosia chamissonis Vernon Oswald 1984-8-22 1668 Mendocino Manchester Beach State Park. Comment
  CHSC56516  Ambrosia chamissonis L. P. Janeway 1983-9-24 704 Humboldt Sand-spit at Big Lagoon. 3 Comment
  CHSC57078  Ambrosia chamissonis Steven Triano 1988-5-24 186 San Mateo Coastal sand dunes W of Hwy. 1 ca 0.2 mi N of Pescadero Road. 9 Comment
  CHSC69496  Ambrosia chamissonis Vernon Oswald; Lowell Ahart 1997-9-4 8844 Humboldt Big Lagoon County Park at the southwest edge of Big Lagoon. North Coast Region, Coastal Strand. 3 Comment
  CHSC94076  Ambrosia chamissonis R. Fischer 2005-9-17 688 Mendocino Collection from the North Coast, ca. 20 miles north of Fort Bragg and 5 miles north of Hwy 1 on County Road 431, behind Usal Beach which is the southern end of the Sinkyone Wilderness State Park. Plants were growing on sand at the back edge of the beach. 3 Comment
  CLARK-A1528-925  Ambrosia chamissonis Patricia A. Andrews 1975-6-26 5922 Orange Capistrano Bay Beach 9 Comment
  HSC12525  Ambrosia chamissonis Wilbur Peterson 1970-10-7 13 Humboldt McKinleyville Beach at the end of Murray Rd. Comment
  HSC2176  Ambrosia chamissonis H. E. Parks Aug 1941 24181 Humboldt Big Lagoon Comment
  HSC28482  Ambrosia chamissonis J. D. Ackerman 1973-8-23 118 Humboldt Mad River Beach Co. Park Comment
  HSC35627  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2140 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  HSC35628  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2141 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  HSC38343  Ambrosia chamissonis Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  HSC40260  Ambrosia chamissonis Linda M. Barker 1976-8-2 1674 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  HSC46399  Ambrosia chamissonis M. B. Dunkle 1939-8-13 8599 Santa Barbara Prisoner's Harbor, Santa Cruz Island Comment
  HSC46407  Ambrosia chamissonis M. B. Dunkle 1940-8-17 7609 Ventura N camp, Anacapa Island, Ventura Co. California. Comment
  HSC46976  Ambrosia chamissonis J. P. Smith, Thomas W. Nelson 1977-6-30 9224 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  HSC5657  Ambrosia chamissonis H. E. Parks Sep 1941 24214 Humboldt Mouth of Little River Comment
  HSC5659  Ambrosia chamissonis J. W. Johnson 1960-8-18 Orange Newport Beach, beside Newport bay, near Hwy. 101 Comment
  HSC5661  Ambrosia chamissonis J. W. Johnson 1961-8-17 1022 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC5662  Ambrosia chamissonis David Adams Oct 1960 Humboldt N bank of the Mad River near mouth 0 Comment
  HSC5663  Ambrosia chamissonis D. E. Anderson 1961-9-2 1771 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  HSC5665  Ambrosia chamissonis L. S. Rose 1969-8-7 69087 San Francisco Presidio; above Bakers Beach 3 Comment
  HSC5666  Ambrosia chamissonis L. S. Rose 1965-9-23 65110 San Francisco Golden Gate Park at Great Highway 3 Comment
  HSC83523  Ambrosia chamissonis Gladys L. Smith 1979-5-24 5326 Mendocino End of Ward Ave., MacKerricher State Park 6 Comment
  HSC93381  Ambrosia chamissonis F. Bowcutt 1988-7-19 1153 Mendocino About 10 miles due W of Legget and 60 miles N of Fort Bragg. Mouth of Usal Creek Comment
  IRVC29760  Ambrosia chamissonis Barry S. Nerhus, Mark A. Elvin 2006-11-4 13 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  IRVC726  Ambrosia chamissonis D. Van Gorden 1965-4-24 Orange Huntington Beach State Park. Huntington Beach Comment
  IRVC9035  Ambrosia chamissonis P. W. Rundel 1964-8-19 1458 Monterey 5 miles south of Point Lobos, coastal chaparral, rocky soil. 15 Comment
  JEPS111728  Ambrosia chamissonis D. G. Kelch 2004-7-9 04 .312 Contra Costa Rodeo Shore 2 Comment
  JEPS16762  Ambrosia chamissonis Rimo Bacigalupi with Dr. and Mrs. Robt. M. Page, R. S. Ferris, and R. W. Holm 1953-7-24 4325 A San Luis Obispo 5 mi s nw of Oso Flaco Lake Oceano; Oso Flaco Lake Comment
  JEPS19921  Ambrosia chamissonis W. L. Jepson Aug 1894 Alameda West Berkeley Comment
  JEPS19922  Ambrosia chamissonis Samuel B. Parish 1891-1 Los Angeles Long Beach Comment
  JEPS20090  Ambrosia chamissonis Peter H. Raven 1957-9-28 11370 Orange north limits of Surfside Comment
  JEPS20296  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton 6 Comment
  JEPS20310  Ambrosia chamissonis Lewis S. Rose 1956-8-6 56141 San Francisco sand dunes at and Ulloa st. 37th Ave. 15 Comment
  JEPS22100  Ambrosia chamissonis G. Thomas Robbins 1958-7-20 3910 Alameda at, along shore of San Francisco Bay Fleming Point; San Francisco Bay, Golden Gate Fields Comment
  JEPS25022  Ambrosia chamissonis G. Thomas Robbins 1958-10-4 3946 Alameda near w end of, sandy beach at the edge of San Francisco Bay Williams Street; San Leandro, San Francisco Bay Comment
  JEPS25151  Ambrosia chamissonis G. Thomas Robbins with John Weiler 1959-5-23 4021 Contra Costa on breakwater (nw extension) Brooks Island; San Francisco Bay, Richmond Comment
  JEPS26145  Ambrosia chamissonis Peter H. Raven 1959-4-30 14036 San Diego upper beach Carlsbad Comment
  JEPS26163  Ambrosia chamissonis Peter H. Raven and Henry J. Thompson 1959-6-4 14331 Los Angeles behind Point Dume; Santa Monica Mountains 45 Comment
  JEPS40940  Ambrosia chamissonis L. M. Booth 1932-7-30 1336 Orange Balboa Island Comment
  JEPS40952  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt near Samoa; Humboldt Bay 6 Comment
  JEPS40953  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15687 Humboldt near Samoa; Humboldt Bay 6 Comment
  JEPS40954  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13688 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon, Stone Lagoon 3 Comment
  JEPS40955  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13687 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon 3 Comment
  JEPS40959  Ambrosia chamissonis Joseph P. Tracy 1939-7-25 16369 Del Norte Lake Earl; on sand dunes 6 Comment
  JEPS40964  Ambrosia chamissonis W. L. Jepson 9339 Del Norte near Requa; Klamath River Comment
  JEPS40966  Ambrosia chamissonis W. L. Jepson 1936-7-26 17734 Mendocino .2 mi n of Pudding Creek; Fort Bragg Comment
  JEPS40967  Ambrosia chamissonis W. L. Jepson 1936-7-28 17757 -A Mendocino 300 yds above highway bridge Pudding Creek; Fort Bragg Comment
  JEPS40968  Ambrosia chamissonis W. L. Jepson 1936-7-28 17757 -B Mendocino 300 yds above highway bridge Pudding Creek; Fort Bragg Comment
  JEPS40970  Ambrosia chamissonis W. L. Jepson 1894-10-1 Alameda Alameda Comment
  JEPS40971  Ambrosia chamissonis L. M. Booth 1933-10-18 Orange Newport Comment
  JEPS44405  Ambrosia chamissonis Lewis S. Rose 1965-9-23 65110 San Francisco at Great Highway; Golden Gate Park 3 Comment
  JEPS6086  Ambrosia chamissonis V. F. Hesse 1953-10-6 1219 Santa Cruz Woods Lagoon; Santa Cruz 3 Comment
  JEPS76200  Ambrosia chamissonis T. I. Chuang with Fei-Mei Chuang 1977-7-19 7619 Mendocino just n of MacKerricher State Park (at end of Ward Street) Comment
  JEPS94282  Ambrosia chamissonis Vernon Oswald and Lowell Ahart 1997-9-4 8844 Humboldt Big Lagoon County Park at the sw edge of Big Lagoon Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  JEPS96455  Ambrosia chamissonis E. R. Blakley 1962-4-3 5091 Santa Barbara beach dunes just above high tide line w. end of Simonton cove (San Miguel Isl.); Channel Isl.'s, San Miguel Isl. 3 Comment
  LA103306  Ambrosia chamissonis Barry A. Prigge; 1986-3-19 6921 Ventura SANTA MONICA MOUNTAINS, Mugu Lagoon, W of Navy rifle range. Comment
  LA211614  Ambrosia chamissonis Mark A. Elvin; Michael Brady, Jason Storlie 2014-9-16 7632 San Luis Obispo SANTA MARIA RIVER VALLEY, Guandalupe-Nipomo Dunes National Park, Southwest corner of Refuge, ca. 560 meters from Pacific Ocean, 850 from south Refuge boundary. 10.0 Comment
  LA211702  Ambrosia chamissonis Mark A. Elvin; Jason Storlie 2014-10-10 7646 San Luis Obispo Guandalupe-Nipomo Dumes National Wildlife Refuge, Guadalupe Dunes; Small swale/water hole ca. 100 meters NNW of Myrtle Pond, no standing water present, 250 meters from Pacific Ocean. 8.0 Comment
  LA31645  Ambrosia chamissonis Peter H. Raven; Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains 45 Comment
  NY40252  Ambrosia chamissonis H. T. Beck 1992-2-5 1496 Unknown Westward Beach Rd Comment
  NY43604  Ambrosia chamissonis S. Bianco 1995-10-6 1034 Santa Cruz Scott Creek Beach, N of Santa Cruz, along Hwy 1 12 Comment
  OBI17107  Ambrosia chamissonis Robert F. Hoover 1964-8-13 9233 San Luis Obispo Mouth of Morro Crk Comment
  OBI17108  Ambrosia chamissonis Lewis S. Rose 1965-9-23 65110 San Francisco Golden Gate park at Great hwy 3 Comment
  OBI17109  Ambrosia chamissonis Robert F. Hoover 1947-7-21 6241 San Luis Obispo N end of Morro Bay Comment
  OBI17110  Ambrosia chamissonis F. Rush August1957 s.n. San Luis Obispo S Morro Bay Comment
  OBI31964  Ambrosia chamissonis David J. Keil, Eric Wise 1981-5-25 14777 San Luis Obispo N of San Simeon in vicinity of Arroyo de la Cruz. Near hwy 1 in windswept coastal areas Comment
  OBI33919  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  OBI35363  Ambrosia chamissonis Melody Dickens 1980-7-4 38 San Luis Obispo Morro Rock, Morro Bay, near parking lot N face Comment
  OBI35396  Ambrosia chamissonis Helen Jones 1982-5-8 94 San Luis Obispo Piedras Blancas Point Comment
  OBI35397  Ambrosia chamissonis Helen Jones 1981-5-8 93 San Luis Obispo Piedras Blancas Point Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  OBI35979  Ambrosia chamissonis David J. Keil 1983-7-1 17288 Humboldt Ca 5 mi NW of Petrolia along Mattole Rd Comment
  OBI35980  Ambrosia chamissonis David J. Keil 1983-7-1 17289 Humboldt Ca 8 mi NW of Petrolia along Mattole Rd. rd immed adj to seashore Comment
  OBI38933  Ambrosia chamissonis Scott Sundberg, E. Lee 1984-8-21 2644 Monterey Ca 6 mi S of the border with Santa Cruz Co, along the rd to Moss Landing Beach Comment
  OBI4153  Ambrosia chamissonis Julie R. Potter 1969-6-29 58 San Luis Obispo Morro Bay State Park Comment
  OBI4365  Ambrosia chamissonis Gregg A. Young 1972-6-25 50 Santa Barbara Pt Sal area 46 Comment
  OBI4413  Ambrosia chamissonis Robert J. Rodin 1970-9-10 8426 San Luis Obispo About 300 yds from Pacific Ocean near a shell mound in Pismo Beach State Park Comment
  OBI49176  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38227 San Francisco San Francisco 30 Comment
  OBI49178  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38226 San Mateo El Granada 3 Comment
  OBI49179  Ambrosia chamissonis Unknown 1881-6-27 2277 Santa Cruz Santa Cruz Comment
  OBI50535  Ambrosia chamissonis Sue Weis 1993-6-28 115 Santa Barbara Santa Cruz Island-Christy Ranch Comment
  OBI50635  Ambrosia chamissonis Sue Weis, Jan Barber 1993-6-17 50 Santa Barbara Vandenberg AFB, "civilian" beach on Beach Blvd Comment
  OBI51328  Ambrosia chamissonis Jan Barber 1993-8-14 69 San Luis Obispo San Simeon State park Comment
  OBI51423  Ambrosia chamissonis Larry Kelly, David J. Keil 1988-10-1 303 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI53865  Ambrosia chamissonis Arthur W. Hazebrook 1992-7-7 132 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill, Little Oso flaco Lake and surrounding dunes Comment
  OBI55614  Ambrosia chamissonis E. R. Blakley 1962-4-3 5091 Santa Barbara San Miguel Island, above high tide line W end of Simonton Cove 3 Comment
  OBI57762  Ambrosia chamissonis Austin P. Griffiths, R. A. Lawton 1980-5-30 s.n. San Luis Obispo Oceano Dunes. On innermost primary remnant dunes just e of Dune Buggy Hill Comment
  OBI59268  Ambrosia chamissonis Austin P. Griffiths 1980-6-4 s.n. San Luis Obispo Oceano Dunes. On low stabilized dunes flat-ridge area just inland from oceanfront dunes along N side of Oso Flaco Crk Comment
  OBI59691  Ambrosia chamissonis Larry Kelly, David J. Keil 1988-10-1 303 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI6145  Ambrosia chamissonis D. Waive Stager 1972-7-31 18 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  OBI7023  Ambrosia chamissonis Marguerite Costigan 1972-10-8 21 San Luis Obispo 1/8 mi N of Morro rock, 50 yds from ocean Comment
  OBI77374  Ambrosia chamissonis Matt Falconer 1993-5-19 s.n. Santa Barbara Near the old bridge that crossed the Santa Ynez River, W of 13th St bridge Comment
  PGM1489  Ambrosia chamissonis Helen Lind 1976-7-13 Monterey Northern Monterey County, Moss Landing, Dunes N of Moss Landing Comment
  PGM1490  Ambrosia chamissonis Helen Lind 1976-7-13 Monterey Northern Monterey County, Moss Landing, Dunes N of Moss Landing Comment
  PGM1491  Ambrosia chamissonis Helen Lind 1976-7-13 Monterey Northern Monterey County, Moss Landing, Dunes N of Moss Landing Comment
  PGM5346  Ambrosia chamissonis Beatrice F Howitt 1955-7-25 0732 Monterey Monterey Peninsula, Del Monte Forest, Asilomar Beach S of Sand Plant Comment
Read comments
Mar 19 2007
  POM122718  Ambrosia chamissonis Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  POM156346  Ambrosia chamissonis L. R. Abrams 1902-6-9 2492 Los Angeles Playa Del Rey Comment
  POM171197  Ambrosia chamissonis Philip A. Munz, E. Crow 1930-4-9 11785 Santa Barbara San Miguel Island. Comment
  POM180643  Ambrosia chamissonis Mildred E. Mathias 1929-7-30 756 Monterey Monterey Peninsula. Comment
  POM187813  Ambrosia chamissonis Marcus E. Jones 1931-7-10 s.n. Mendocino Mendocino. Comment
  POM202166  Ambrosia chamissonis L. M. Booth 1932-5-25 1110 Orange Balboa Island [Newport Bay]. Comment
  POM210074  Ambrosia chamissonis Florence J. Youngberg 1935-4-7 s.n. San Diego Coronado, Silver Strand. Comment
  POM223661  Ambrosia chamissonis L. S. Rose 1935-9-29 35653 San Mateo Granada 3 Comment
  POM231924  Ambrosia chamissonis Florence J. Youngberg 1937-6-27 199 Monterey Asilomar. Comment
  POM244809  Ambrosia chamissonis F. R. Fosberg 1931-5-16 S 4879 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  POM289597A  Ambrosia chamissonis Cora W. Benson 1929-1-14 s.n. San Diego Mission Beach. 9 Comment
  POM289597B  Ambrosia chamissonis Cora W. Benson 1929-1-14 s.n. San Diego Mission Beach. 9 Comment
  POM289600  Ambrosia chamissonis Cora W. Benson 1929-1-14 s.n. San Diego Imperial Beach. 9 Comment
  POM289601  Ambrosia chamissonis Lyman Benson 1933-4-2 4290 San Diego US 101 Del Mar. 6 Comment
  POM39010  Ambrosia chamissonis Marcus E. Jones 1881-6-27 s.n. Santa Cruz Santa Cruz. Comment
  POM39011  Ambrosia chamissonis Marcus E. Jones 1881-8-8 s.n. Alameda Oakland Comment
  POM47801  Ambrosia chamissonis Mary F. Spencer 1918-3-2 725 San Diego Coronado. Comment
  POM49604  Ambrosia chamissonis A. D. E. Elmer 1902-08 4019 Santa Barbara Santa Barbara, Santa Ynez Mountains. Comment
  POM49605  Ambrosia chamissonis A. D. E. Elmer 1902-09 4050 Monterey Monterey Comment
  POM52011  Ambrosia chamissonis S. B. Parish 1917-08 11552 Monterey Asilomar Comment
  RSA0013151  Ambrosia chamissonis LeRoy Gross, Bart O'Brien 2013-4-3 5981 San Diego Oneonta Slough; Tijuana Slough National Wildlife Refuge. North of the mouth of the Tijuana River. (Phacelia stellaris surveys)., Started at the end of seacoast Drive, Imperial Beach near 32.56659N 117.13248W south a short distance to [?] 3 Comment
  RSA0013712  Ambrosia chamissonis LeRoy Gross, Bart O'Brien, Andrew Wastell 2013-4-3 5967 San Diego Point Loma, U. S. Naval Reservation. Just east of Rosecrans Blvd, and north of intersection with McClelland. 3 Comment
  RSA0065939  Ambrosia chamissonis LeRoy Gross, Duncan S. Bell, Nick J. Jensen 2015-3-17 6722 Ventura Ormond Beach at end of McWane Blvd., west of Arcturus Ave. South of Port Hueneme, Oxnard. 3 Comment
  RSA120825  Ambrosia chamissonis S. S. Tillett 1956-6-29 560 Marin Just S of old Life-Saving Station on w. beach of Point Reyes Peninsula, appr. 3.5 mi. from Pt. Reyes Light, 8.7 mi. from Inverness. Comment
  RSA127780  Ambrosia chamissonis Peter H. Raven, Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  RSA128466  Ambrosia chamissonis Peter H. Raven 1950-7-13 s.n. Monterey Carmel Comment
  RSA130663  Ambrosia chamissonis R. W. Summers 1884-6-12 s.n. San Luis Obispo Avila Comment
  RSA130711  Ambrosia chamissonis E. K. Balls, E. R. Blakley 1958-10-13 23683 Santa Barbara Santa Cruz Island. Prisoners' Harbor, East Beach. 2 Comment
  RSA131339  Ambrosia chamissonis E. R. Blakley 1960-4-9 3197 Santa Barbara Santa Rosa Island. East Point. 7 Comment
  RSA134047  Ambrosia chamissonis John H. Thomas 1950-9-24 2405 Santa Cruz Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway. Comment
  RSA15101  Ambrosia chamissonis Daniel Cleveland 1878-10-29 s.n. San Diego San Diego. Comment
  RSA158320  Ambrosia chamissonis Peter H. Raven 1962-4-11 17288 Los Angeles On large dune north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA171030  Ambrosia chamissonis R. F. Thorne, Percy C. Everett 1962-10-3 24500 San Luis Obispo Near Oso Flaco Lake. 8 Comment
  RSA176781  Ambrosia chamissonis John H. Thomas 1963-7-19 10187 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Exposed rocks are Monterey shale. Comment
  RSA17885  Ambrosia chamissonis C. B. Wolf 1927-7-12 s.n. San Francisco [no locality information provided] Comment
  RSA183315  Ambrosia chamissonis Peter H. Raven, Henry J. Thompson 1966-4-23 20697 Ventura San Nicolas Island. Sandy slopes just above ocean, Seal Beach, north-west end of island. Comment
  RSA188002  Ambrosia chamissonis R. F. Thorne, Percy C. Everett 1965-6-23 34951 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  RSA203509  Ambrosia chamissonis L. S. Rose 1934-9-11 34463 San Francisco San Francisco: coastal sand dunes Comment
  RSA232043  Ambrosia chamissonis C. W. Tilforth 1972-8-23 635 San Luis Obispo Sand dunes between Oso Flaco Lake and ocean. Comment
  RSA234502  Ambrosia chamissonis James Henrickson 1970-7-24 5015 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. 1 Comment
  RSA245279  Ambrosia chamissonis J. D. Ackerman 1973-8-23 118 Humboldt Mad river beach co. park Comment
  RSA248858  Ambrosia chamissonis R. F. Thorne 1973-4-11 42876 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  RSA26851  Ambrosia chamissonis I. L. Wiggins 1940-7-10 9486 Humboldt Big Lagoon. Comment
  RSA287797  Ambrosia chamissonis R. F. Thorne, Gary D. Wallace, M. Haefs 1977-4-28 48917 Santa Barbara Santa Rosa Island. E end between Skunk and East Points. 5 Comment
  RSA306656  Ambrosia chamissonis R. F. Thorne, C. W. Tilforth, Bob Given 1979-5-1 52768 Santa Barbara San Miguel Island. West of Simonton Cove. 8 Comment
  RSA317012  Ambrosia chamissonis Thomas S. Elias, Walter Wisura 1984-9-27 8519 Los Angeles North of Malibu ; Point Dume. Comment
  RSA320821  Ambrosia chamissonis F. C. Boutin, R. Gonderman 1967-5-18 1576 Ventura San Nicolas Island, north of north end of Shannon Rd. approaching north end of island. 85 Comment
  RSA322073  Ambrosia chamissonis Robert A. Norris 1983-7-30 4558 San Francisco Bakers Beach. Comment
  RSA347588  Ambrosia chamissonis B. A. Prigge 1985-10-19 6712 San Diego San Mateo Estuary: S of San Clemente along coastal strand ocean side of Santa Fe Railway tracks. 2 Comment
  RSA3579  Ambrosia chamissonis C. B. Wolf 1932-5-12 3954 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  RSA388921  Ambrosia chamissonis Thomas S. Elias 1987-8-1 10541 Santa Barbara Santa Cruz Island. Fraser Point; northeast tip of island. Comment
  RSA40055  Ambrosia chamissonis H. M. Pollard 1945-10-21 s.n. Ventura Ventura River, near mouth. Comment
  RSA416915  Ambrosia chamissonis M. B. Dunkle 1939-7-23 8311 Ventura San Nicolas Island. Coral Harbor. Comment
  RSA416916  Ambrosia chamissonis Blanche Trask 1901-04 78 Ventura San Nicolas Island. Comment
  RSA416917  Ambrosia chamissonis M. B. Dunkle 1939-7-31 8397 Santa Barbara San Miguel Island. Cuyler Harbor. Comment
  RSA416918  Ambrosia chamissonis M. B. Dunkle 1939-8-13 8599 Santa Barbara Santa Cruz Island. Prisoner's Harbor. Comment
  RSA416920  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1896 Los Angeles Santa Catalina Island. Little Harbor Comment
  RSA416921  Ambrosia chamissonis F. R. Fosberg 1931-5-19 S 4922 Los Angeles Santa Catalina Island. Whites Landing. 0 Comment
  RSA416922  Ambrosia chamissonis M. B. Dunkle 1940-8-17 7609 Ventura Camp, sea bluffs, Anacapa Island. Comment
  RSA416929  Ambrosia chamissonis Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  RSA416940  Ambrosia chamissonis E. A. McGregor 1965-9-30 s.n. Monterey 17 mile drive, Carmel Comment
  RSA416941  Ambrosia chamissonis L. C. Wheeler 1932-6-25 865 Orange Newport Bay. 0 Comment
  RSA416944  Ambrosia chamissonis M. B. Dunkle 1933-4-23 3330 San Diego Beach near Encinitas Comment
  RSA416945  Ambrosia chamissonis Thekla Mohr 1911-1 1931 San Luis Obispo San Luis Obispo. Comment
  RSA416947  Ambrosia chamissonis H. M. Pollard 1970-8-4 s.n. Ventura Coastal strand about 1/4 mile west of Ventura River estuary. Comment
  RSA526529  Ambrosia chamissonis Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4267 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA57518  Ambrosia chamissonis C. F. Baker 1902-10-1 1745 San Mateo Pillar Point. Comment
  RSA592479  Ambrosia chamissonis Mark Hoefs, D. Propst 1973-3-14 117 Los Angeles Santa Catalina Island, sandy beach on W side of White's Landing 8 Comment
  RSA640713  Ambrosia chamissonis L. C. Wheeler 1931-8-12 s.n. Orange Balboa. Comment
  RSA643441  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-4-29 s.n. Orange Pacific Coast: Newport Beach, NW edge of town between Seashore Dr., Neptune Ave. 56th and 58th Streets. 2 Comment
  RSA643442  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-2-19 s.n. Orange Pacific Coast: Newport Beach, NW edge of town between Seashore Dr., Neptune Ave.. 56th and 58th Streets., 33deg. 37.2'N, 117deg. 57'W 2 Comment
  RSA644024  Ambrosia chamissonis E. R. Blakley 1964-9-5 6507 Ventura Frenchman's Cove, West Anacapa Island. Comment
  RSA653058  Ambrosia chamissonis D. House 1994-5-9 94 -44 San Diego Cocklebur Beach, Camp Pendleton, 0.5 mile west on MCTSA Road from Stuart Mesa Road, following the dirt road that is north of the MCTSA compound security fence. Comment
  RSA678452  Ambrosia chamissonis Valerie L. Soza, Kenneth Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1115 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA680070  Ambrosia chamissonis Mark Elvin, Michael Wall, Jennifer Stone 1996-8-8 321 Los Angeles San Clemente Island. West Dunes along road to S end dunes. 50m from beach, behind rock jolting up at beach; in shrub dune interface zone. Comment
  RSA727642  Ambrosia chamissonis Tim Searl 2007-10-15 s.n. Los Angeles South Coast: Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek. 1 Comment
  RSA747703  Ambrosia chamissonis Fred M. Roberts 2008-5-16 6976 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA754405  Ambrosia chamissonis Valerie L. Soza, Marisa Colon, LeRoy Gross, Dylan Hannon, Andreas Hessing, Bill Hogshead, Susan Jett, Michael Wall 2002-4-23 s.n. Ventura McGrath State Beach, east side of McGrath Lake. 2 Comment
  RSA786567  Ambrosia chamissonis David Pritchett 1987-7-22 CSM- 109 Santa Barbara Vandenberg Air Force Base. 'Public' beach off Point Sal Road. 8 Comment
  SBBG100369  Ambrosia chamissonis W. L. Halvorson 1983-9-20 83 -9 Santa Barbara near ranger station Comment
  SBBG101583  Ambrosia chamissonis S. A. Junak 1991-10-19 SC 2979 Santa Barbara Scorpion Anchorage, just behind beach 3 Comment
  SBBG101632  Ambrosia chamissonis S. A. Junak 1990-8-21 SN 530 Ventura flats above Vizcaino Pt 9 Comment
  SBBG102114  Ambrosia chamissonis M. Daily 1979-7-27 99 Ventura Navy Living Quarters Comment
  SBBG102115  Ambrosia chamissonis M. Daily 1979-7-27 100 Ventura Navy Living Quarters Comment
  SBBG102116  Ambrosia chamissonis M. Daily 1978-4-29 59 Ventura Red Eye Beach Comment
  SBBG102153  Ambrosia chamissonis M. Daily 1982-3-5 SR 419 Santa Barbara S side of island by W end Santa Rosa Island Comment
  SBBG102154  Ambrosia chamissonis M. Daily 1979-5-3 SR 89 Santa Barbara coastal strand of East Pt Comment
  SBBG105645  Ambrosia chamissonis S. A. Junak 1994-7-23 SC 4035 Santa Barbara Christi beach, just N of mouth of Christi Cyn 3 Comment
  SBBG109940  Ambrosia chamissonis C. B. Hardham 1957-7-31 2512 San Luis Obispo ca. 0.9 mi N of Cambria Comment
  SBBG11385  Ambrosia chamissonis E. R. Blakley 1961-4-29 4235 Santa Barbara tip of rocky pt at SE end of Adam's Cove 15 Comment
  SBBG11536  Ambrosia chamissonis E. R. Blakley 1961-4-28 4103 Ventura mesa, S of housing area 121 Comment
  SBBG11545  Ambrosia chamissonis E. R. Blakley 1961-4-28 4206 Santa Barbara beach dunes at mouth of Cyn del Mar 3 Comment
  SBBG11550  Ambrosia chamissonis E. R. Blakley 1961-4-22 4104 Ventura mesa, S of housing area 121 Comment
  SBBG11678  Ambrosia chamissonis E. R. Blakley 1961-4-28 4207 Santa Barbara beach dunes at mouth of Cyn del Mar 3 Comment
  SBBG117731  Ambrosia chamissonis D. C. Estrella, R. K. Lauri 2003-5-5 137 San Diego E of Rosecrans Rd, N of intersection between Rosecrans Rd and McClellen Rd; Pt Loma Naval Facility 20 Comment
  SBBG122177  Ambrosia chamissonis D. Wilken with R. Muller 2008-8-13 17832 Santa Barbara NE area of slough near mouth of Santa Ynez River, ca. 2 km NE of Surf; Vandenberg Air Force Base Comment
  SBBG12567  Ambrosia chamissonis P. H. Raven 1962-4-11 17265 Los Angeles beach W of Wall 2 6 Comment
  SBBG128554  Ambrosia chamissonis M. L. Hoefs 1955-5-30 2157 Los Angeles Ben Weston Beach 4 Comment
  SBBG12857  Ambrosia chamissonis E. R. Blakley 1962-4-3 5091 Santa Barbara just above high tide line, W end of Simonton Cove 3 Comment
  SBBG12870  Ambrosia chamissonis E. R. Blakley 1961-4-22 4130 Ventura mouth of Tule Crk 15 Comment
  SBBG12880  Ambrosia chamissonis E. R. Blakley 1961-4-21 4055 Ventura NE side of island near Tank Farm and Navy Pier Comment
  SBBG12884  Ambrosia chamissonis E. R. Blakley 1962-10-5 5426 Los Angeles N of White's Landing 3 Comment
  SBBG12893  Ambrosia chamissonis E. R. Blakley 1962-6-10 5251 Los Angeles large dunes near Wall 2 9 Comment
  SBBG128960  Ambrosia chamissonis A. Sawdo, E. Edinger 1988-5-23 Santa Barbara near Cluster Point, China Camp, Plot 132 Comment
  SBBG12907  Ambrosia chamissonis E. R. Blakley 1961-4-22 4139 Ventura mouth of Tule Crk 15 Comment
  SBBG12924  Ambrosia chamissonis E. R. Blakley 1962-6-10 5252 Los Angeles large beach dunes near Wall 2 9 Comment
  SBBG12925  Ambrosia chamissonis E. R. Blakley 1962-6-10 5250 Los Angeles large beach dunes near Wall 2 20 Comment
  SBBG129502  Ambrosia chamissonis R. Clark 1985-6-16 77 Santa Barbara W slope San Miguel Hill, along trail Comment
  SBBG129529  Ambrosia chamissonis R. Clark 1985-3-23 56 Santa Barbara San Miguel Island Comment
  SBBG129531  Ambrosia chamissonis R. Clark 1985-3-24 68 Santa Barbara S of Cuyler Harbor, "Wind Tunnel" Comment
  SBBG129533  Ambrosia chamissonis R. Clark 1985-6-14 76 Santa Barbara S of Cuyler Harbor, dunes Comment
  SBBG130786  Ambrosia chamissonis Sean Clark 2015-3-9 123 Santa Barbara East Point Dunes 5 Comment
  SBBG13411  Ambrosia chamissonis E. R. Blakley 1961-4-22 4128 Ventura beach dunes at mouth of Tule Crk 15 Comment
  SBBG17563  Ambrosia chamissonis E. R. Blakley 1963-5-24 5912 Santa Barbara beach at Crook Pt 3 Comment
  SBBG17748  Ambrosia chamissonis P. H. Raven 1962-7-10 17953 Los Angeles near ocean W of Wall 2 Comment
  SBBG17774  Ambrosia chamissonis P. H. Raven 1962-4-11 17288 Los Angeles N of a point W of Wall 2 30 Comment
  SBBG18014  Ambrosia chamissonis E. R. Blakley 1963-5-9 5793 Ventura Frenchman's Cove [Frenchys Cove], above high tide line 3 Comment
  SBBG19153  Ambrosia chamissonis M. A. Piehl 1963-12-8 631114 Los Angeles W end airfield runway, West Cove 18 Comment
  SBBG19154  Ambrosia chamissonis M. A. Piehl 1963-12-8 631113 Los Angeles W end airfield runway, West Cove 18 Comment
  SBBG21406  Ambrosia chamissonis J. Patman 1963-8-22 1126 Santa Barbara S border of Sandyland slough, W of Carpinteria Comment
  SBBG21477  Ambrosia chamissonis M. A. Piehl 1963-5-22 63378 Santa Barbara base of sand spit at Cardwell Pt 6 Comment
  SBBG21500  Ambrosia chamissonis M. A. Piehl 1963-5-22 63378 Santa Barbara base of sand spit at Cardwell Pt 6 Comment
  SBBG22245  Ambrosia chamissonis V. Haraden 1941-7-13 6 Sonoma E exposure to bay, Bodega Bay 15 Comment
  SBBG23740  Ambrosia chamissonis E. R. Blakley 1964-9-5 6507 Ventura Frenchman's Cove [Frenchys Cove], just above high tide line Comment
  SBBG25840  Ambrosia chamissonis D. Myrick 1966-8-15 1571 Del Norte Pacific Shores subdivision, Fort Dick, N of Crescent City 15 Comment
  SBBG27066  Ambrosia chamissonis H. M. Pollard 1967-5-25 Ventura W of Ventura River estuary; Ventura Comment
  SBBG27735  Ambrosia chamissonis H. M. Pollard 1967-8-30 Santa Barbara Santa Barbara Harbor, breakwater sandspit Comment
  SBBG30700  Ambrosia chamissonis R. N. Philbrick with R. E. Broder, M. R. Benedict 1964-6-18 B 64 -126 Santa Barbara W of Christi Ranch Comment
  SBBG31330  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-6-23 34950 Los Angeles behind N beach at Little Harbor Comment
  SBBG31366  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-5-11 34552 Los Angeles behind N beach at Little Harbor 1 Comment
  SBBG32675  Ambrosia chamissonis R. N. Philbrick with B. Osborne 1968-4-6 B 68 -138 Ventura just E of Frenchman's Cove [Frenchys Cove], S side of island 3 Comment
  SBBG32907  Ambrosia chamissonis R. E. Foreman, D. Smith 1966-4-6 159 Ventura small valley 50 yds NE of Benchmark 616, overlooking Tender Beach 160 Comment
  SBBG33762  Ambrosia chamissonis R. N. Philbrick 1964-6-20 B 64 -207 Santa Barbara ca. 1 mi NW of Cardwell Pt 30 Comment
  SBBG33763  Ambrosia chamissonis R. N. Philbrick 1965-8-23 B 65 -1510 Santa Barbara E of Indian burial site 155 and W of 148, between Prince Island and head of Willow Cyn 76 Comment
  SBBG34021  Ambrosia chamissonis L. S. Rose 1969-8-7 69086 San Francisco Presidio above Baker Beach 3 Comment
  SBBG34025  Ambrosia chamissonis L. S. Rose 1969-8-7 69087 San Francisco Presidio above Baker Beach 3 Comment
  SBBG35858  Ambrosia chamissonis R. N. Philbrick 1964-4-21 Santa Barbara Devereaux Dunes Comment
  SBBG36467  Ambrosia chamissonis R. N. Philbrick with R. E. Broder 1965-5-15 B 65 -1024 Santa Barbara beach, halfway between Jolla Vieja Cyn and Johnson's Lee Comment
  SBBG36594  Ambrosia chamissonis R. N. Philbrick with R. E. Broder 1965-5-16 B 65 -1071 Santa Barbara NE of Sandy Pt 68 Comment
  SBBG39264  Ambrosia chamissonis H. M. Pollard 1970-8-4 Ventura ca. 0.25 mi W of Ventura River estuary Comment
  SBBG39589  Ambrosia chamissonis E. R. Blakley 1960-4-10 3197 Santa Barbara East Point Comment
  SBBG39590  Ambrosia chamissonis E. R. Blakley, E. K. Balls 1958-10-13 2561 Santa Barbara near the marsh at the mouth of Cyn del Puerto, E of the landing area at Prisoners Harbor 3 Comment
  SBBG40922  Ambrosia chamissonis H. M. Pollard 1967-8-11 Ventura South Pierpont Blvd, near Marina; Ventura Comment
  SBBG41313  Ambrosia chamissonis M. R. Benedict 1970-6-30 Los Angeles Ben Weston Beach Comment
  SBBG42236  Ambrosia chamissonis M. B. Dunkle 1939-7-31 8397 Santa Barbara Cuyler Harbor Comment
  SBBG42237  Ambrosia chamissonis M. B. Dunkle 1939-7-23 8311 Ventura near Corral Harbor Comment
  SBBG42238  Ambrosia chamissonis M. B. Dunkle 1939-7-23 8315 Ventura San Nicolas Island Comment
  SBBG42239  Ambrosia chamissonis M. B. Dunkle 1940-8-17 7609 Ventura Anacapa Island camp Comment
  SBBG42263  Ambrosia chamissonis M. B. Dunkle 1939-8-13 8599 Santa Barbara Prisoners Harbor Comment
  SBBG42291  Ambrosia chamissonis G. Kanakoff 1940-4-13 Ventura San Nicolas Island Comment
  SBBG44784  Ambrosia chamissonis N. W. Baker 1959-7-7 17 Santa Barbara Beach Rd, University of California Santa Barbara Comment
  SBBG44980  Ambrosia chamissonis C. B. Wolf 1927-7-12 San Francisco sand dunes, San Francisco Comment
  SBBG45023  Ambrosia chamissonis L. S. Rose 1935-9-29 35653 San Mateo Granada 3 Comment
  SBBG45163  Ambrosia chamissonis L. W. Edge 1972-6-14 232 Santa Barbara E of Arroyo Burro Beach County Park [Hendry Beach] Comment
  SBBG52568  Ambrosia chamissonis R. Zembal 1977-5-21 Ventura E barrier beach, ca. 200 yds W of the firing range; Pacific Missile Test Center Comment
  SBBG52854  Ambrosia chamissonis F. C. Boutin, R. Gonderman 1967-5-18 Ventura N of N end of Shannon Rd, approaching N end of island 85 Comment
  SBBG53931  Ambrosia chamissonis B. Millett 1980-3-27 Santa Barbara coastal bluff, Fraser Pt 7 Comment
  SBBG61135  Ambrosia chamissonis R. Hoffmann 1927-8-2 Santa Barbara Goleta Comment
  SBBG61136  Ambrosia chamissonis M. N. Ackley -Sep-1928 245 Orange Sunset Beach 8 Comment
  SBBG61137  Ambrosia chamissonis H. M. Pollard 1945-9-22 Ventura near mouth of Ventura River Comment
  SBBG61139  Ambrosia chamissonis R. Hoffmann 1927-5-21 Ventura Ventura Comment
  SBBG61140  Ambrosia chamissonis R. Hoffmann 1925-6-16 Santa Barbara Carpinteria Comment
  SBBG61141  Ambrosia chamissonis R. Hoffmann 1927-5-8 Santa Barbara Surf Comment
  SBBG61142  Ambrosia chamissonis R. Hoffmann 1930-4-17 San Luis Obispo Arroyo Grande Comment
  SBBG61143  Ambrosia chamissonis R. Hoffmann 1928-9-10 Santa Barbara Point Conception Comment
  SBBG61150  Ambrosia chamissonis R. Hoffmann 1928-9-10 Santa Barbara Point Conception Comment
  SBBG61666  Ambrosia chamissonis C. F. Smith 1951-4-15 3006 Santa Barbara Point Sal Comment
  SBBG61674  Ambrosia chamissonis M. M. Miles 1886-1 691 San Luis Obispo San Luis Obispo County [no specific locality] Comment
Read comments
Jan 20 2012
  SBBG7536  Ambrosia chamissonis C. F. Smith 1945-7-11 1472 Santa Barbara East Beach; Santa Barbara Comment
  SBBG7537  Ambrosia chamissonis H. and M. Dearing 1938-7-10 2274 Santa Barbara N of Lompoc Comment
  SBBG79772  Ambrosia chamissonis R. Hoffmann 1930-8-10 Santa Barbara Arlington Cyn Comment
  SBBG79773  Ambrosia chamissonis R. Hoffmann 1932-4-20 Santa Barbara beach, N side, San Miguel Island Comment
  SBBG79774  Ambrosia chamissonis R. Hoffmann 1930-9-22 Ventura Anacapa Island Comment
  SBBG79775  Ambrosia chamissonis R. Bond 1940-5-17 526 Ventura West Anacapa Island Comment
  SBBG79776  Ambrosia chamissonis R. Hoffmann 1930-4-8 Santa Barbara Santa Rosa Island Comment
  SBBG79777  Ambrosia chamissonis R. Hoffmann 1927-6-23 Santa Barbara W end of Santa Cruz Island Comment
  SBBG79778  Ambrosia chamissonis R. Hoffmann 1927-6-23 Santa Barbara W end of Santa Cruz Island Comment
  SBBG79779  Ambrosia chamissonis R. Hoffmann 1929-3-22 Santa Barbara Coches Prietos Comment
  SBBG79780  Ambrosia chamissonis R. Hoffmann 1929-3-22 Santa Barbara Coches Prietos Comment
  SBBG79781  Ambrosia chamissonis R. Hoffmann 1932-4-19 Santa Barbara San Miguel Island, opposite Prince's Island Comment
  SBBG79782  Ambrosia chamissonis R. Hoffmann 1930-4-10 Santa Barbara San Miguel Island Comment
  SBBG79783  Ambrosia chamissonis E. Z. Rett, P. C. Orr 1945-3-13 Ventura San Nicolas Island Comment
  SBBG79784  Ambrosia chamissonis E. Z. Rett, P. C. Orr 1945-3-13 Ventura San Nicolas Island Comment
  SBBG80278  Ambrosia chamissonis F. C. Boutin, R. Gonderman 1967-5-18 1561 Ventura center of San Nicolas Island along Shannon Rd 225 Comment
  SBBG87034  Ambrosia chamissonis C. F. Smith 1949-12-20 2544 Santa Barbara near mouth of Tecolote Cyn Comment
  SBBG88450  Ambrosia chamissonis C. F. Smith 1951-4-15 3005 Santa Barbara Point Sal County Park Comment
  SBBG88474  Ambrosia chamissonis C. F. Smith 1952-8-19 3715 Ventura near wharf at Ventura Comment
  SBBG88475  Ambrosia chamissonis H. M. Pollard 1956-12-15 Santa Barbara La Mesa; Santa Barbara Comment
  SBBG90136  Ambrosia chamissonis T. J. Ayers, S. A. Junak, R. Scott, D. Young 1989-4-17 638 Santa Barbara Coches Prietos Comment
  SBBG94189  Ambrosia chamissonis J. Newman 1980-11-20 76 Ventura above Thousand Springs Comment
  SBBG94190  Ambrosia chamissonis J. Vanderwier, S. A. Junak 1983-5-11 Ventura near Corral Harbor Comment
  SBBG94740  Ambrosia chamissonis J. DiVittorio 1986-5-27 Ventura San Nicolas Island Comment
  SBBG94797  Ambrosia chamissonis J. Newman 1981-7-18 Ventura sand dune area, San Nicolas Island, W end Comment
  SBBG95444  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1865 Los Angeles Little Harbor 1 Comment
  SBBG95602  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles Mosquito Harbor Comment
  SBBG95667  Ambrosia chamissonis R. J. Rodin 1972-6-25 8726 Santa Barbara Point Sal Comment
  SBBG96682  Ambrosia chamissonis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4267 Los Angeles lower half of China Cyn Comment
  SBBG98463  Ambrosia chamissonis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5078 Los Angeles lower Wilson Cove Cyn, just above shoreline near pier operations 6 Comment
  SD107877  Ambrosia chamissonis Mark Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island, Ben Weston Beach on dunes 7 Comment
  SD10910  Ambrosia chamissonis Frank F. Gander 1935-3-30 156 13 San Diego Silver Strand. Comment
  SD113183  Ambrosia chamissonis Darley F. Howe 1937-4-26 449 San Diego Imperial Beach Comment
  SD11577  Ambrosia chamissonis Frank F. Gander 1935-6-15 221 22 San Diego Ocean Beach Comment
  SD122645  Ambrosia chamissonis F. C. Boutin, R. Gonderman 1967-5-18 1576 Ventura San Nicolas Island, north of north end of Shannon Road, approaching north end of island. 82 Comment
  SD128131  Ambrosia chamissonis T. J. Ayers, S. Junak,Scott and Young 1989-4-17 638 Santa Barbara Santa Cruz Island, on dunes at Coches Prietos Comment
  SD136455  Ambrosia chamissonis Charles F. Harbison 1955-3-10 San Diego International Boundary Monument 258. Comment
  SD143591  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-4-29 Orange Newport Beach, northwest edge of town between Seashore Dr., Neptune Ave., 56th and 58th streets 2 Comment
  SD143592  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-2-19 Orange Newport Beach, northwest edge of town between Seashore Dr., Neptune Ave., 56th and 58th streets 2 Comment
  SD156919  Ambrosia chamissonis Mika Shimada-Cicirelli 2004-6-12 19 San Diego Youth Aquatic Camp Fiesta Island, Mission Bay Park.The area is located at the southeastern cove of the island surrounded by a shallow body of water as well as sandy beach Comment
  SD158556  Ambrosia chamissonis Dinna C. Estrella, Robert K. Lauri 2003-5-5 137 San Diego Point Loma Naval Facility, SPAWAR. East of Rosecrans Rd. north of intersection between Rosecrans Rd. and McClellen Rd. 18 Comment
  SD16932  Ambrosia chamissonis Frank F. Gander 1937-4-15 3296 San Diego Beach at San Onofre Comment
  SD172098  Ambrosia chamissonis E. R. Blakley 1962-4-3 5091 Santa Barbara Channel Islands: San Miguel Island. Beach dunes just above high tide line west end of Simonton Cove. 3 Comment
  SD173668  Ambrosia chamissonis Ian Cain, Chet Nelson 2005-10-12 70 San Diego San Diego, Mission Bay. Far south tip of Mariners Point, past the end of Mariners way, behind fence 3 Comment
  SD181948  Ambrosia chamissonis Ian Cain 2006-7-5 263 San Diego City of San Diego. North Point Loma. Ocean Beach Athletic Area, 2525 Bacon Street. 250 meters northeast of intersection of Nimitz Blvd and Sunset Cliffs Blvd. 3 Comment
  SD190876  Ambrosia chamissonis Margaret R. Mulligan, J. Rocks, J. Gregory 2007-3-15 1635 San Diego Camp Pendleton Marine Corps Base, Blue Beach Training Area. In fenced area for nesting terns, on beach on the northwestern edge of the Santa Margarita estuary/outlet to the Pacific Ocean. 7 Comment
  SD190877  Ambrosia chamissonis Margaret R. Mulligan, J. Gregory, J. Rocks 2007-3-26 1664 San Diego Camp Pendleton Marine Corps Base, White Beach Training Area, ca. 0.8 mi S of 41 Area (Las Flores), ca. 1 mi NW of Shingle Bluff, E of I-5. 15 Comment
  SD192213 Image available Ambrosia chamissonis Margaret R. Mulligan, J. Rocks, J. Gregory 2007-3-15 1600 San Diego Camp Pendleton Marine Corps Base, Skull Canyon in the Uniform Training Area. 0.6 mi NW of I-5 at La Flores (41 Area). 10 Comment
  SD198166  Ambrosia chamissonis CRES Native Seed Gene Bank, L Lippitt, R Ryder 2007-7-3 382 San Diego San Onofre State Beach, W of I-5, 3.2 mi SE of San Onofre Nuclear Generating Station at base of Trail 5 4 Comment
  SD218523  Ambrosia chamissonis Michael G. Simpson, Warren Schmidtmann 2010-5-22 3295 San Diego Torrey Pines State Park. Dunes adjacent to salt marsh near north beach parking lot. San Diego. 3 Comment
  SD22016  Ambrosia chamissonis Frank F. Gander 1938-7-25 6155 San Diego Near Boundary Monument No. 258 Comment
  SD239565  Ambrosia chamissonis A. C. Sanders 1993-2-23 33315 B San Diego South Coast: along NW side of Mission Bay, along bayside walking path, NW of Crown Point (La Jolla 7.5'Q) 0 Comment
  SD242399  Ambrosia chamissonis Kevin B. Clark 2005-3-17 20 San Diego Coronado; seaward side of Ocean Blvd, near intersection with Marina Ave., N of main lifeguard tower. 4 Comment
  SD243448  Ambrosia chamissonis John LaGrange 2010-10-18 766 San Diego Cardiff State Park Campground beach area; due W of intersection Highway 101 and Birmingham Drive 4 Comment
  SD254795  Ambrosia chamissonis Susan T Welker 1994-8-18 San Diego San Elijo Lagoon Ecological Reserve; sandy dune area, e. of Hwy 101, southwest corner of Reserve. Solana Beach. 0 Comment
  SD28044  Ambrosia chamissonis Carl B. Wolf 1927-7-12 San Francisco Sand dunes Comment
  SD28046  Ambrosia chamissonis Carl B. Wolf 1927-7-12 San Francisco Sand dunes Comment
  SD28047  Ambrosia chamissonis Carl B. Wolf 1927-7-12 San Francisco Comment
  SD30763  Ambrosia chamissonis Edith A. Purer 1932-7-21 4044 Sonoma Bodega Bay, Sandy bluff Comment
  SD39974  Ambrosia chamissonis Edith A. Purer 1931-5-31 6663 San Diego Silver Strand Comment
  SD39975  Ambrosia chamissonis Edith A. Purer 1932-7-27 4160 Humboldt Near Samoa on open sand dunes Comment
  SD39976  Ambrosia chamissonis Edith A. Purer 1932-3-1 2744 San Diego Silver Strand Comment
  SD39977  Ambrosia chamissonis Edith A. Purer 1931-9-1 2334 San Diego Silver Strand Comment
  SD39979  Ambrosia chamissonis Edith A. Purer 1932-7-16 4030 Sonoma Bodega Bay, sandy bluff Comment
  SD39980  Ambrosia chamissonis Edith A. Purer 1932-7-23 4063 San Francisco San Francisco, Golden Gate Park sand dunes Comment
  SD39981  Ambrosia chamissonis Edith A. Purer 1932-8-27 4795 Santa Barbara Northwest of Guadalupe on sand dunes Comment
  SD39982  Ambrosia chamissonis Edith A. Purer 1932-7-16 3851 Monterey Del Monte on open sand dunes Comment
  SD39983  Ambrosia chamissonis Edith A. Purer 1932-8-28 4839 San Luis Obispo Oceano, open sand dunes Comment
  SD39984  Ambrosia chamissonis Edith A. Purer 1932-8-26 4762 Santa Barbara 14 miles northwest of Santa Barbara on sand dunes Comment
  SD39987  Ambrosia chamissonis Edith A. Purer 1931-8-6 2245 San Luis Obispo Oceano sand dunes Comment
  SD39988  Ambrosia chamissonis Edith A. Purer 1931-8-4 2277 Santa Barbara South of Santa Barbara near Punte Station Comment
  SD39989  Ambrosia chamissonis Edith A. Purer 1931-8-6 2266 Santa Barbara South of Casmalia beach south of Point Sal Comment
  SD39990  Ambrosia chamissonis Edith A. Purer 1932-7-18 4011 San Mateo Half Moon Bay on sand dunes Comment
  SD39993  Ambrosia chamissonis Edith A. Purer 1932-8-31 4879 Orange Open areas of sand dunes along Route 101 Comment
  SD39994  Ambrosia chamissonis Edith A. Purer 1932-7-25 4105 Mendocino Near mouth of Big River, south of Mendocino Comment
  SD39996  Ambrosia chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 miles south of Pigeon Point on open dune areas Comment
  SD39997  Ambrosia chamissonis Edith A. Purer 1933-8-15 5478 San Francisco Sand dunes near ocean, San Francisco Comment
  SD39998  Ambrosia chamissonis Edith A. Purer 1932-8-16 4713 San Francisco San Francisco on sand dunes Comment
  SD40000  Ambrosia chamissonis Edith A. Purer 1932-7-18 4014 San Mateo Half Moon Bay on sand dunes Comment
  SD5654  Ambrosia chamissonis Frank F. Gander 1935-1-9 105 3 San Diego Solana Beach Comment
  SD5663  Ambrosia chamissonis Ralph W. Sumner Sep 1921 San Diego Sandy sea beach, National City. Comment
  SD5664  Ambrosia chamissonis unknown 1920-1 San Diego San Diego Comment
  SD5665  Ambrosia chamissonis M. S. Snyder 1895-3-23 San Diego La Jolla, seashore. Comment
  SD63419  Ambrosia chamissonis Peter H. Raven, Henry J. Thompson 23-24 Apr 1966 20697 Ventura San Nicolas Island, Sandy slopes just above ocean, Seal Beach, northwest end of island. Comment
  SD66867  Ambrosia chamissonis R. Mitchel Beauchamp 1967-3-19 334 Los Angeles San Clemente Island, sandy area south of Sherman Airfield Comment
  SD66868  Ambrosia chamissonis R. Mitchel Beauchamp 1967-3-19 333 Los Angeles San Clemente Island, south of Sherman Airfield on sandy soil Comment
  SD69456  Ambrosia chamissonis Robert F. Thorne, P. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island, Ben Weston Beach, west side of island on dunes Comment
  SD75719  Ambrosia chamissonis Helen V. Witham 1969-9-27 498 San Luis Obispo Oso Flaco Lake, on dunes 10 Comment
  SD80400 Image available Ambrosia chamissonis Helen V. Witham 1971-5-17 1510 San Diego Frequent, upper beach. San Onofre Bluffs State Beach. Comment
  SD85053  Ambrosia chamissonis E. R. Blakley 1961-4-22 4130 Ventura San Nicolas Island, beach dunes at mouth of Tule Creek 14 Comment
  SD85531  Ambrosia chamissonis R. Mitchel Beauchamp 1971-5-1 2301 San Diego Tijuana Slough Comment
  SD87530  Ambrosia chamissonis Frank W. Peirson 1925-9-13 6427 San Mateo Rockaway Beach, back of sea beach Comment
  SD87531  Ambrosia chamissonis Frank W. Peirson 1925-9-13 6427 San Mateo Rockaway Beach, back of beach Comment
  SD88352  Ambrosia chamissonis Darley F. Howe 1972-6-22 Santa Barbara Ocean Park, west of Lompoc Comment
  SD8858  Ambrosia chamissonis Daniel Cleveland May 1882 San Diego Mussel Beds, Ocean Beach. Comment
  SD8861  Ambrosia chamissonis unknown Oct 1878 San Diego Mussel Beds Comment
  SD8862  Ambrosia chamissonis unknown Jun 1875 San Diego San Diego Comment
  SD90501  Ambrosia chamissonis Robert F. Thorne 1973-4-11 42876 Los Angeles San Clemente Island, dunes near Flasher, northwest part of island 3 Comment
  SD92030  Ambrosia chamissonis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22705 Los Angeles San Clemente Island, sandy flat northwest end 4 Comment
  SD98877  Ambrosia chamissonis Darley F. Howe 1977-10-7 5014 Monterey Carmel Bay Comment
  SD98946  Ambrosia chamissonis Darley F. Howe 1977-7-4 4991 Del Norte Near mouth of Smith River Comment
  SDSU13988  Ambrosia chamissonis Carolyn Martus 2002-4-22 25 San Diego Less than 500 ft from Pacific Ocean and 1/4 mile north of the Santa Margarita Estuary on Camp Pendleton. Contained within fenced California Least Tern nesting colony. 1 Comment
  SDSU14413  Ambrosia chamissonis Craig H. Reiser, Fred T. Sproul 1989-4-7 7 -IV-89 San Diego Camp Joseph Pendleton MCB. San Diego County, California. Base Section: Alfa Three. 5 Comment
  SDSU15270  Ambrosia chamissonis Carolyn Martus 2002-4-22 25 San Diego Less than 500 ft from Pacific Ocean and 1/4 mile north of the Santa Margarita Estuary on Camp Pendleton. Contained within fenced California Least Tern nesting colony. 1 Comment
  SDSU15633  Ambrosia chamissonis Dinna C. Estrella, Robert K. Lauri 2003-5-5 137 San Diego Point Loma Naval Facility, SPAWAR. East of Rosecrans Rd. north of intersection between Rosecrans Rd. and McClellen Rd. 20 Comment
  SDSU157  Ambrosia chamissonis R. M. Beauchamp 1967-3-19 333 Los Angeles San Clemente Island. Comment
  SDSU6255  Ambrosia chamissonis D. F. Howe 1977-7-4 4991 Del Norte Near mouth of Smith River. Comment
  SDSU6261  Ambrosia chamissonis D. F. Howe 1977-10-7 5014 Monterey Carmel Bay. Comment
  SDSU6285  Ambrosia chamissonis R. M. Beauchamp 1967-3-19 334 Los Angeles South of the west end of the main air field, Sherman Field, San Clemente Island. Comment
  SDSU6291  Ambrosia chamissonis R. M. Beauchamp 1967-6-2 543 Los Angeles South of Flasher station, San Clemente Island. Comment
  SDSU6859  Ambrosia chamissonis Harvey 1938-8-9 2220 Monterey Pacific Grove Comment
Read comments
Oct 6 2011
  SDSU6860  Ambrosia chamissonis Florence Young Berg 1932-7-15 1633 San Diego Mission Beach Comment
  SDSU6861  Ambrosia chamissonis unknown 1931-7-1 San Diego Tiajuana River Estuary Comment
  SDSU6862  Ambrosia chamissonis R. Harvin 1962-7-7 5 San Diego North 1.8 miles from highway 101 and junction 80 to left of road. Coastal strand and sea breezes. Comment
  SDSU6863  Ambrosia chamissonis D. Thompson, E. Fears 1964-7-14 San Diego West side of Silver Strand Highway. 5 Comment
  SDSU6864  Ambrosia chamissonis H. Wedberg 1962-7-20 974 San Diego South end of Mission Bay Park, in sand N of West Point Loma Blvd. 0.2 mile East from Nimitz Blvd. 3 Comment
  SEINET10813199  Ambrosia chamissonis J. Richard Abbott, B. S. Carlsward 1999-6-16 Abbott 12765 Santa Barbara West of Ellwood (west of Santa Barbara); along coast west of mouth of Bell Canyon (just west of Sandpiper Golf Course), accessed S off Hollister Avenue a little W of its junction with Cathedral Oaks Road (& U.S. 101 exit 110). Comment
  SEINET12800018  Ambrosia chamissonis A. Mullen 1965-1 501 Del Norte US 101, 5 miles south of Crescent City. 277 Comment
  SEINET3132553  Ambrosia chamissonis J. W. Johnson 1961-8-17 1022 Humboldt Arcata, W.M. Lanphere farm, Samoa Peninsula. Comment
  SEINET3146786  Ambrosia chamissonis L. S. Rose 1938-8-14 38226 San Mateo El Granada 3 Comment
  SEINET3146787  Ambrosia chamissonis L. S. Rose 1938-8-14 38227 San Francisco San Francisco 30 Comment
  SEINET4006552 Image available Ambrosia chamissonis O. M. Clark 1932-1 5232 Monterey Monterey. Comment
  SEINET4100918 Image available Ambrosia chamissonis O. M. Clark 1941-1 10063 San Diego Imperial Beach. Comment
  SEINET5780730 Image available Ambrosia chamissonis Marcus E. Jones 1881-1 2277 Santa Cruz Santa Cruz Comment
  SEINET6098014  Ambrosia chamissonis Kenneth Heil, Heil, Marilyn 2014-7-18 35244 Del Norte Crescent City. Crescent City Beach Motel. Collections along beach south of motel. Comment
  SEINET6738564 Image available Ambrosia chamissonis H. M. Hall 1903-9-22 4802 San Francisco Sand dune near the Cliff House, San Francisco Peninsula Comment
  SFV16043  Ambrosia chamissonis A. M. Orcino, A. Sutton 1994-4-23 5 Los Angeles Playa del Rey Beach, corner of Pacific Ave. and Convoy St., 0.1 mile north of Culver Blvd. 2 Comment
  SFV3921  Ambrosia chamissonis P. G. Kilburn 1958-3-1 624 Los Angeles Zuma Beach. 3 Comment
  SFV5183  Ambrosia chamissonis B. C. Templeton 1960-6-23 s. n. Monterey Monterey Peninsula, along coast. Comment
  UC1118427  Ambrosia chamissonis A. D. Gifford 1934-5-15 233 Los Angeles mouth Escondido Canyon; Triunfo Pass Quad., Escondido Canyon 30 Comment
  UC1118428  Ambrosia chamissonis H. S. Yates 1936-6-24 5913 Mendocino Fort Bragg; Fort Bragg Quad. 1 Comment
  UC1118429  Ambrosia chamissonis H. C. Lee 1936-3-13 486 San Luis Obispo Oceano Beach; Arroyo Grande Quad. 6 Comment
  UC1118430  Ambrosia chamissonis B. Bolt 1936-3-28 653 San Luis Obispo s end Morro Bay; Cayucos Quad. 30 Comment
  UC1118432  Ambrosia chamissonis G. T. Nordstrom 1937-7-1 1445 Humboldt 1.6 mi w Orick; Orick Quad. 0 Comment
  UC1173662  Ambrosia chamissonis Joseph P. Tracy 1939-7-25 16368 Del Norte common on sand dunes Lake Earl 6 Comment
  UC1173663  Ambrosia chamissonis Joseph P. Tracy 1939-7-25 16369 Del Norte Lake Earl 6 Comment
  UC1211045  Ambrosia chamissonis Huron H. Smith 1912-5-9 4955 Los Angeles Redondo 0 Comment
  UC1215169  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles San Clemente Island 6 Comment
  UC1215204  Ambrosia chamissonis Peter H. Raven 1962-7-12 18022 Los Angeles e end Northwest Harbor; San Clemente Island 30 Comment
  UC126841  Ambrosia chamissonis Katharine Brandegee 1906-10-1 San Diego San Diego Comment
  UC127637  Ambrosia chamissonis J. P. Tracy 1901-8-7 1275 Humboldt at, on Sea Beach opposite Eureka Samoa Comment
  UC1284976  Ambrosia chamissonis R. F. Hoover 1947-7-21 6241 San Luis Obispo n end, on sand-dunes Morro Bay Comment
  UC1294188  Ambrosia chamissonis E. K. Balls and E. R. Blakley 1958-10-13 23683 Santa Barbara e beach Prisoner's Harbor; Santa Cruz Island 1 Comment
  UC1311868  Ambrosia chamissonis C. A. Toschi and M. J. Tauber 1965-7-13 22 San Luis Obispo Pismo Beach Comment
  UC1357812  Ambrosia chamissonis Ronald E. Foreman and D. Smith 1966-4-6 162 Ventura valley overlooking Tender Beach; San Nicolas Island 160 Comment
  UC1357861  Ambrosia chamissonis Ronald E. Foreman, E. C. Evans III, S. C. Rainey 1965-7-27 17 Ventura ne slope Sand Dune Canyon; San Nicolas Island 274 Comment
  UC1357862  Ambrosia chamissonis Ronald E. Foreman, E. C. Evans III, S. C. Rainey 1965-7-28 83 Ventura near mouth Celery Creek; San Nicolaus Island, Celery Creek 30 Comment
  UC1357863  Ambrosia chamissonis Ronald E. Foreman and D. Smith 1966-4-6 159 Ventura valley overlooking Tender Beach; San Nicolas Island 160 Comment
  UC1492171  Ambrosia chamissonis N. J. Andersson 1852-1 San Francisco San Francisco San Francisco Comment
  UC1518805  Ambrosia chamissonis Robert F. Thorne, John Dourley, Walter Wisura, et al. 1979-4-24 52524 Santa Barbara along meager dunes behind beach of cove s, on nw tip of island Fraser Point; Santa Cruz Island 1 Comment
  UC1536875  Ambrosia chamissonis G. H. True Jr. 1937-10-16 845 San Francisco sand dunes 15 Comment
  UC1543058  Ambrosia chamissonis Donald G. Nelson 1938-7-28 579 San Mateo Moss Beach Comment
  UC1613383  Ambrosia chamissonis Charles M. Belshaw 1936-8-30 2648 Marin near the Pacific Ocean Stinson Beach Comment
  UC1618423  Ambrosia chamissonis Barbara Ertter, Brad Olson 1993-10-30 12288 Contra Costa n.e. Rodeo (across railroad tracks from San Pablo Ave., small sandy beach next to jetty) Comment
  UC166090  Ambrosia chamissonis J. P. Tracy 1901-8-7 1265 Humboldt at, opposite Eureka Samoa; Ocean Beach Comment
  UC1751039  Ambrosia chamissonis Annetta M. Carter 1946-8-13 1769 Del Norte Palley Beach 2 mi. W of Ft. Dick. Comment
  UC184410  Ambrosia chamissonis A. D. E. Elmer 1902-9-1 4050 Monterey Monterey Comment
  UC1929503  Ambrosia chamissonis Mark Elvin, Michael Wall, Jennifer Stone 1996-8-8 321 Los Angeles Channel Islands; San Clemente Island: West dunes along road to S end dunes. 50m from beach, behind rock jolting up at beach; in shrub dune interface zone. Comment
  UC1948953  Ambrosia chamissonis William J. Ferlatte, L. Maynard Moe 1970-4-27 1219 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC196506  Ambrosia chamissonis Edward Lee Greene 1887-9-16 Marin Bolinas Bay Bolinas Bay Comment
  UC2030078  Ambrosia chamissonis Valerie Soza, K. Clark, LeRoy Gross, Will Miller, Fred M. Roberts, G. D. Wallace 2001-4-4 1115 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. Comment
  UC204066  Ambrosia chamissonis A. D. E. Elmer Jul 1903 4616 Marin Point Reyes Post Office Comment
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Aug 6 2010
  UC206213  Ambrosia chamissonis Katharine Brandegee Los Angeles Santa Catalina Island Santa Catalina Island Comment
  UC303985  Ambrosia chamissonis S. B. Parish 1917-8-1 11552 Monterey sand beach dunes Asilomar; Monterey Peninsula Comment
  UC303986  Ambrosia chamissonis S. B. Parish 1918-6-5 11872 Los Angeles dunes Playa del Rey Comment
  UC31930  Ambrosia chamissonis J. Burtt Davy 1898-9-17 Alameda Alameda Marshes; Northwestern Alameda County Comment
  UC31931  Ambrosia chamissonis W. L. Jepson 1896-8-8 Monterey Monterey Comment
  UC429869  Ambrosia chamissonis Ira L. Wiggins 1928-6-17 3303 San Diego tide flats near Carlsbad Comment
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Sep 30 2012
  UC450974  Ambrosia chamissonis F. A. MacF. 1931-3-1 87 E Orange Laguna Beach Comment
  UC455848  Ambrosia chamissonis E. P. Unangst 1906-7-8 San Luis Obispo Pismo Comment
  UC472284  Ambrosia chamissonis R. L. Pendleton 1906-7-22 424 San Francisco Cliff House 4 Comment
  UC472285  Ambrosia chamissonis R. L. Pendleton 1906-6-22 425 San Francisco Cliff House 9 Comment
  UC479401  Ambrosia chamissonis Marcus E. Jones, A. M. 1931-7-10 29106 Mendocino at Mendocino Comment
  UC483202  Ambrosia chamissonis L. R. Abrams and I. L. Wiggins 1931-7-6 358 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UC483203  Ambrosia chamissonis L. R. Abrams and I. L. Wiggins 1931-7-6 359 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UC483255  Ambrosia chamissonis L. R. Abrams and I. L. Wiggins 1931-7-2 282 Ventura n end of middle island Anacapa Island; Channel Islands Comment
  UC486391  Ambrosia chamissonis F. G. Woodcock 1932-3-1 11 San Diego sea beach on <? illigible> Coronado Comment
  UC489248  Ambrosia chamissonis C. V. Meyer 1928-6-27 481 San Diego coast Comment
  UC52341  Ambrosia chamissonis Rev. R. W. Summers 1884-6-4 432 San Luis Obispo sand beach Avila Comment
  UC523553  Ambrosia chamissonis David D. Keck 1933-9-8 2522 Orange Sunset Beach Comment
  UC527464  Ambrosia chamissonis C. B. Wolf 1931-8-15 Santa Barbara 1 mi s, sand dunes Surf 30 Comment
  UC536897  Ambrosia chamissonis Lawrence M. Booth 1932-5-25 1110 Orange Balboa Island Comment
  UC53793  Ambrosia chamissonis H. M. Hall 1903-9-22 4802 San Francisco Cliff House Comment
  UC557655  Ambrosia chamissonis Nell Murbarger 1936-4-1 162 Los Angeles San Clemente Island Comment
  UC557656  Ambrosia chamissonis Nell Murbarger 1936-3-1 155 Los Angeles San Clemente Island Comment
  UC557657  Ambrosia chamissonis Nell Murbarger 1936-5-1 214 Los Angeles Northwest Harbor; San Clemente Island Comment
  UC557659  Ambrosia chamissonis Nell Murbarger 1936-5-1 207 Los Angeles San Clemente Island Comment
  UC57583  Ambrosia chamissonis J. H. Barber 1898-7-27 Los Angeles Santa Monica Forestry Station Comment
  UC577093  Ambrosia chamissonis Lewis S. Rose 1935-9-29 35653 San Mateo sandy ocean beach Granada 3 Comment
  UC579657  Ambrosia chamissonis N. K. Carlson 1935-7-5 120 San Mateo s of Pescadero; Santa Cruz Quadrangle, Bolsa Point 0 Comment
  UC582626  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15687 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC582627  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC589358  Ambrosia chamissonis Beryl O. Schreiber 1932-6-23 572 Marin Hearts Desire Beach; Tomales Bay Comment
  UC589426  Ambrosia chamissonis Beryl O. Schreiber 1932-6-29 596 Marin Sand Dune Beach; Tomales Bay Comment
  UC589523  Ambrosia chamissonis Beryl O. Schreiber 1932-6-29 595 Marin Sand Dune Beach; Tomales Bay Comment
  UC597612  Ambrosia chamissonis F. Youngberg 1937-6-27 199 Monterey sand dunes Asilomar Comment
  UC610660  Ambrosia chamissonis Edward Lee and Herbert Mason 1935-6-16 9134 Monterey Point Lobos State Park Comment
  UC62864  Ambrosia chamissonis H. M. Hall 1902-5-11 3275 Los Angeles Santa Monica Comment
  UC64852  Ambrosia chamissonis N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  UC65584  Ambrosia chamissonis N. K. Berg 1904-2-16 San Diego Oceanside Comment
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Apr 13 2009
  UC665537  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  UC665538  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt sandy beaches at mouth Little River Comment
  UC676845  Ambrosia chamissonis Ira L. Wiggins 1928-6-17 3303 San Diego Carlsbad Comment
  UC722049  Ambrosia chamissonis C. L. Hitchcock and J. S. Martin 1939-7-14 5425 Mendocino 2 mi n, on beach Westport Comment
  UC729771  Ambrosia chamissonis Carl B. Wolf 1932-5-12 3594 Los Angeles Little Harbor; Santa Catalina Island 3 Comment
  UC73908  Ambrosia chamissonis G. W. Dunn 1891-4-5 San Diego at San Diego Comment
  UC73943  Ambrosia chamissonis J. Q. Adams 1905-1-1 Los Angeles Soldiers Home Comment
  UC75925  Ambrosia chamissonis Geo. B. Grant 1901-1-1 482 Los Angeles Redondo Comment
  UC88843  Ambrosia chamissonis T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  UC88845  Ambrosia chamissonis T. S. Brandegee 1888-10-1 Marin Angel Island Comment
  UC88846  Ambrosia chamissonis D. Cleveland 1882-5-15 San Diego mussel beds San Diego Comment
  UC88847  Ambrosia chamissonis T. S. Brandegee 1890-8-1 San Francisco San Francisco Comment
  UC88848  Ambrosia chamissonis T. S. Brandegee Aug 1870 San Francisco San Francisco Comment
  UC88849  Ambrosia chamissonis T. S. Brandegee 1888-10-1 Marin Angel Island Comment
  UC88850  Ambrosia chamissonis T. S. Brandegee 1888-6-1 San Luis Obispo San Simeon Comment
  UC88851  Ambrosia chamissonis H. E. Brown 1898-6-1 Mendocino near Mendocino 0 Comment
  UC896705  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38226 San Mateo coastal dunes El Granada 3 Comment
  UC896706  Ambrosia chamissonis F. R. Fosberg 1931-5-16 S 4879 Los Angeles Little Harbor; Santa Catalina Island 2 Comment
  UC896708  Ambrosia chamissonis Evelina Cannon 1895-10-10 San Francisco Fort Mason Comment
  UC896709  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38227 San Francisco San Francisco 30 Comment
  UC912209  Ambrosia chamissonis Herbert L. Mason 1929-9-1 5411 Mendocino 3 mi n Fort Bragg Comment
  UC912211  Ambrosia chamissonis Herbert L. Mason 1927-10-4 4126 Santa Cruz mouth Waddell Creek; Ano Neuvo Pt. Comment
  UC912212  Ambrosia chamissonis Herbert L. Mason 1927-10-4 4119 Santa Cruz mouth of Waddell Creek; Ano Nuevo Point Comment
  UCD128760  Ambrosia chamissonis Frederica Bowcutt 1988-7-19 1153 Mendocino Sinkyone Wilderness State Park, about 10 miles due W of Leggett and 60 miles N of Fort Bragg. Mouth of Usal Creek. 0 Comment
  UCD128762  Ambrosia chamissonis Beecher Crampton 1981-11-8 9796 Mendocino North of Fort Bragg, NW of Cleone. Comment
  UCD128769  Ambrosia chamissonis Linda M. Barker 1976-8-2 1674 Humboldt 3 miles west of Arcata. Comment
  UCD128772  Ambrosia chamissonis K. L. Chambers 1966-8-30 2470 San Luis Obispo San Luis Obispo County: Near mouth of Hazard Canyon, 1 1/2 mi. south of the south end of Morro Bay. Comment
  UCD128778  Ambrosia chamissonis Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  UCD128780  Ambrosia chamissonis Bruce M. Pavlik 1980-4-2 2015 Monterey Salinas Lagoon Wildlife Area. Comment
  UCD128781  Ambrosia chamissonis Bruce M. Pavlik; Beth Lowe 1980-5-14 2048 Monterey Salinas Lagoon Wildlife Area. Comment
  UCD128784  Ambrosia chamissonis W. J. Roth 1950-8-20 s.n. Monterey Seashore, Pacific Grove. Comment
  UCD128786  Ambrosia chamissonis M. Wiesendanger 1926-7-1 1565 San Francisco San Francisco. Comment
  UCD128787  Ambrosia chamissonis Collector unknown 1925-6-16 1670 Monterey Carmel. Comment
  UCD142786  Ambrosia chamissonis Oren Pollak 1987-4-27 s.n. Mendocino MacKerricher State Park. Comment
  UCD70259  Ambrosia chamissonis D. Sanchez-Mata 1998-7-12 s.n. Mendocino Noyo. Jug Handle State Reserve (Park). 0 Comment
  UCR103966  Ambrosia chamissonis George K. Helmkamp 1997-6-22 2075 San Luis Obispo Central Coast, South end of Montana de Oro State Park 15 Comment
  UCR109969  Ambrosia chamissonis R. D. Goeden, Don W. Ricker 1970-4-29 s.n. Orange South Coast, Newport Beach, NW edge of town between Seashore Dr., Neptune Ave., 56th and 58th Streets 2 Comment
  UCR109972  Ambrosia chamissonis R. D. Goeden, Don W. Ricker 1970-2-19 s.n. Orange South Coast, Newport Beach, NW edge of town between Seashore Dr., Neptune Ave., 56th and 58th Streets 2 Comment
  UCR109973  Ambrosia chamissonis R. D. Goeden, Don W. Ricker 1970-2-19 s.n. Orange South Coast, Newport Beach, NW edge of town between Seashore Dr., Neptune Ave., 56th and 58th Streets 2 Comment
  UCR119049  Ambrosia chamissonis Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  UCR122369  Ambrosia chamissonis George K. Helmkamp, E. A. Helmkamp 2001-7-8 7020 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UCR131846  Ambrosia chamissonis George K. Helmkamp, E. A. Helmkamp 2000-6-18 5756 Mendocino North Coast, Glass Beach at Fort Bragg 9 Comment
  UCR133733  Ambrosia chamissonis F. R. Fosberg 1931-5-16 S- 4879 Los Angeles Channel Islands, Little Harbor, Santa Catalina Island 2 Comment
  UCR134446  Ambrosia chamissonis George K. Helmkamp 2003-9-26 8177 San Luis Obispo Central Coast, SW edge of Oceano; border of sand dune recreation area 6 Comment
  UCR136972  Ambrosia chamissonis R. F. Thorne, G. D. Wallace, M. Haefs 1977-4-28 48917 Santa Barbara Channel Islands, Santa Rosa Island: east end between Skunk and East Points 5 Comment
  UCR158436  Ambrosia chamissonis George K. Helmkamp 2004-6-15 8644 San Luis Obispo Central Coast, Between Oso Flaco Lake and the Pacific Ocean, c. 0.3 mi WNW of the lake 9 Comment
  UCR158592  Ambrosia chamissonis George K. Helmkamp, E. A. Helmkamp 2004-6-24 8704 Santa Barbara Central Coast, Ocean Park at Surf, NW of Lompoc 6 Comment
  UCR16797  Ambrosia chamissonis S. L. Lackey 1973-4-19 s.n. Ventura South Coast, Ventura Marina 3 Comment
  UCR17120  Ambrosia chamissonis Steve Kulju 1974-5-27 s.n. Orange South Coast, Sunset Bay, 1 mile SE of the city of Seal Beach on State Hwy 1 5 Comment
  UCR186384  Ambrosia chamissonis A. C. Sanders 2007-6-22 34208 Santa Cruz Central Coast, Scott Creek Beach, c. 3 miles north of Davenport on Hwy 1 12 Comment
  UCR188678  Ambrosia chamissonis Tim Searl 2007-10-15 s.n. Los Angeles South Coast, Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek 1 Comment
  UCR195102  Ambrosia chamissonis A. C. Sanders 2008-8-14 36019 Ventura South Coast; Ventura Coastal Basin, Oxnard, near Mandalay power station (Edison) on east edge of Harbor Blvd. between 5th St. and Gonzalez Ave., S of McGrath St. Beach 3 Comment
  UCR195197  Ambrosia chamissonis A. C. Sanders 2008-8-13 36010 Ventura South Coast; Ventura Coastal Basin, Oxnard, Silver Strand Beach near Port Hueneme, at Point Hueneme 1 Comment
  UCR195985  Ambrosia chamissonis A. C. Sanders 2007-2-23 33315 B San Diego South Coast, along NW side of Mission Bay, along bayside walking path, NW of Crown Point 1 Comment
  UCR209296  Ambrosia chamissonis A. C. Sanders 2009-4-19 36795 Santa Barbara South Coast, Carpinteria, Linden Ave. at Sandyland Ave., near end of Linden at beach, NW edge of Carpinteria State Beach 5 Comment
  UCR209660  Ambrosia chamissonis Fred M. Roberts 2008-5-16 6976 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  UCR239934  Ambrosia chamissonis O. F. Clarke 2004-4-5 s.n. Orange South Coast, Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  UCR263684  Ambrosia chamissonis Mark A. Elvin, Brian Collins, Dan Brown 2001-4-30 1608 San Diego South Coast, San Diego, Sweetwater Marsh National Wildlife Refuge, D Street fill 3 Comment
  UCR263702  Ambrosia chamissonis Mark A. Elvin, Jason Storlie 2014-10-10 7646 San Luis Obispo Central Coast, Guadalupe Dunes, Guadalupe-Nipomo Dunes National Wildlife Refuge, small swale/water hole c. 100 m NNW of Myrtle Pond, 250 m from Pacific Ocean 8 Comment
  UCR26479  Ambrosia chamissonis A. C. Sanders 1981-8-5 2297 Del Norte Crescent City, upper edge of beach at boat marina, near parking lot 0 Comment
  UCR3259  Ambrosia chamissonis Frances Miller 1964-5-17 M- 6444 San Diego South Coast, La Jolla, 1 mile north of Scripps Pier 1 Comment
  UCR41018  Ambrosia chamissonis R. J. Rodin 1970-9-10 8426 San Luis Obispo Pacific Coast, Pismo Beach State Park 6 Comment
  UCR41715  Ambrosia chamissonis G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  UCR42386  Ambrosia chamissonis A. C. Sanders 1986-5-31 6524 Orange Southern Coast, Balboa Island at Newport Beach. Dunes at the back edge of the beach, from 6th St. S to the harbor entrance 1 Comment
  UCR45038  Ambrosia chamissonis A. C. Sanders 1986-7-30 6824 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCR5546  Ambrosia chamissonis Frank C. Vasek 1966-7-16 660716- 01 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UCR58373  Ambrosia chamissonis F. C. Boutin, R. Gonderman 1967-5-18 1576 Ventura Channel Islands, San Nicolas Island: north of north end of Shannon Rd., approaching north end of island 85 Comment
  UCR59851  Ambrosia chamissonis George K. Helmkamp 1989-8-6 s.n. San Luis Obispo Central Coast, Baywood Park, at the south edge of Morro Bay 3 Comment
  UCR68928  Ambrosia chamissonis Steve Boyd, T. Ross, et al 1990-4-7 4267 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR84866  Ambrosia chamissonis G. D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given 1979-4-3 1598 Ventura Channel Islands, San Nicolas Island, NE coast just west of Coast Guard Pier; NE of Airfield 24 Comment
  UCR92764  Ambrosia chamissonis F. M. Reed 1933-9-26 8102 Orange South Coast, Arch Beach, near South Laguna 0 Comment
  UCSB10232  Ambrosia chamissonis Mooring, John 1947-11-3 Santa Barbara At Hendry's Beach, Santa Barbara Comment
  UCSB10266  Ambrosia chamissonis Clements, Frederic; Clements, Edith 1914-3-23 San Diego La Jolla Comment
  UCSB10368  Ambrosia chamissonis McElwain, Isabelle 1953-4-25 Orange U.S. 101, 2 mi. S of Huntington Beach Comment
  UCSB10369  Ambrosia chamissonis Haller, Norman 1953-4-25 Orange U.S. 101, 2 miles So. of Huntington Beach Comment
  UCSB15499  Ambrosia chamissonis Breedlove, Dennis 1962-5-17 Santa Barbara Prisoners Harbor, Santa Cruz Island Comment
  UCSB18998  Ambrosia chamissonis Keefe, Joseph 1963-9-9 Mendocino North end of Lake Cleone, north of Fort Bragg 15 Comment
  UCSB25337  Ambrosia chamissonis Philbrick, Ralph; Broder, Richard; Benedict, Michael 1964-6-18 Santa Barbara Beach west of Christi Ranch; Santa Cruz Island Comment
  UCSB31574  Ambrosia chamissonis McHargue, Lawrence 1962-5-26 Los Angeles Zuma Beach 2 Comment
  UCSB36251  Ambrosia chamissonis Bagley, Mark 1973-5-24 Santa Barbara 20 yards west of Coal Oil Point Reserve, UCSB 2 Comment
  UCSB36895  Ambrosia chamissonis Millett, B. 1980-3-27 Santa Barbara Fraser Point, Santa Cruz Island 7 Comment
  UCSB39300  Ambrosia chamissonis Ferren, Wayne 1979-8-16 Santa Barbara Along N side of Sand Point Rd.; sand spit along S margin of Carpinteria Salt Marsh, Carpinteria Comment
  UCSB39301  Ambrosia chamissonis Ferren, Wayne 1979-5-23 Santa Barbara Central area of Sand Point Rd.; SW margin of Carpinteria Salt Marsh, Carpinteria Comment
  UCSB39304  Ambrosia chamissonis Ferren, Wayne 1979-5-8 Santa Barbara N bank of Santa Monica Creek towards W end of berm, Carpinteria Salt Marsh, Carpinteria Comment
  UCSB48034  Ambrosia chamissonis Roberts, Fred 1981-9-26 Orange Huntington Beach; Calif. Rte. 1, near mouth of Santa Ana River, 0.1 km. N jct. Brookhurst Ave.; 0.1 km. SW Bench Mark 7 2 Comment
  UCSB52720  Ambrosia chamissonis Boutin, F.; Gonderman, R. 1967-5-18 Ventura San Nicolas Island, near the center of the island along Shannon Rd. 225 Comment
  UCSB56651  Ambrosia chamissonis Pritchett, David 1987-7-22 Santa Barbara "Public" beach off Point Sal Rd., Vandenberg Air Force Base 7 Comment
  UCSB61276  Ambrosia chamissonis Parikh, Anuja; Gale, Nathan 1994-5-21 Santa Barbara At the edge of the active dune off New North Road 75 Comment
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Apr 9 2009
  UCSB68575  Ambrosia chamissonis Schmalzer, P. 1986-10-6 Santa Barbara North Base, Vandenberg Air Force Base Comment
  UCSB68591  Ambrosia chamissonis Schmalzer, P.; Hickson, D. 1987-3-26 Santa Barbara Perigee Road area; Vandenberg Air Force Base Comment
  UCSB7136  Ambrosia chamissonis McCabe, Nora 1950-11-5 Monterey 6 miles north of San Simeon Comment
  UCSB7137  Ambrosia chamissonis Hillman, M.; Beeks, Richard 1951-10-1 Santa Barbara Arroyo Burro slough at Arroyo Burro County Park Comment
  UCSB7138  Ambrosia chamissonis Moseley, Maynard 1949-9-26 Santa Barbara Hendry Beach Comment
  UCSB7139  Ambrosia chamissonis Haller, John 1950-5-29 Los Angeles Playa Del Rey Comment
  CAS-BOT-BC13681  Ambrosia chamissonis Brandegee s.n. Unknown Unspecified. No information on label. Comment
  CAS-BOT-BC13682  Ambrosia chamissonis Elsie Zeile 1921-7-30 1107 Unknown Salada Comment
  CAS-BOT-BC13684  Ambrosia chamissonis A. A. Heller 1922-7-24 13724 Solano Near Six Minute Ferry, Vallejo Comment
  CAS-BOT-BC13687  Ambrosia chamissonis Paul F. Covel 1936-6-26 163 Alameda Bay Farm Bridge- Alameda Comment
  CAS-BOT-BC13688  Ambrosia chamissonis Paul F. Covel 1939-10-1 s.n. Alameda Bay Farm Bridge- Alameda Comment
  CAS-BOT-BC13689  Ambrosia chamissonis Volney Rattan 1880-1-1 s.n. Alameda Beach near Shell Mound, Oakland Comment
  CAS-BOT-BC13690  Ambrosia chamissonis Volney Rattan 1880-11-1 s.n. Alameda Oakland, salt marsh south end of town Comment
  CAS-BOT-BC13691  Ambrosia chamissonis E. A. McGregor 1921-8-25 s.n. Del Norte Requa and vicinity. Sand Bar extending southward from Klamath River. Comment
  CAS-BOT-BC13692  Ambrosia chamissonis E. A. McGregor 1921-8-25 s.n. Del Norte Requa and vicinity. Sand Bar extending southward from Klamath River. Comment
  CAS-BOT-BC13693  Ambrosia chamissonis Doris K. Kildale 1928-8-1 6222 Del Norte Beach 1/4 mile south or Oregon Comment
  CAS-BOT-BC13696  Ambrosia chamissonis Elmer I. Applegate 1927-8-14 5227 Del Norte West of Crescent City Comment
  CAS-BOT-BC13697  Ambrosia chamissonis Ruby Van Deventer 1934-7-1 s.n. Del Norte Along ocean beaches Comment
  CAS-BOT-BC13699  Ambrosia chamissonis Kenneth Clark 1981-5-24 1396 Humboldt Shelter Cove, 100 yards west of Dead Man's Gulch. Point Delgada quad. 3 Comment
  CAS-BOT-BC13707  Ambrosia chamissonis A. A. Heller 1924-7-21 13869 Humboldt Salt marsh at Eureka Comment
  CAS-BOT-BC13720  Ambrosia chamissonis George B. Grant 1901-9-1 s.n. Los Angeles Redondo Comment
  CAS-BOT-BC13726  Ambrosia chamissonis Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4267 Los Angeles San Clemente Island, lower half of China Canyon, S end of sialnd, W side. Comment
  CAS-BOT-BC13729  Ambrosia chamissonis John Thomas Howell 1943-9-5 19316 Marin Between Tamalpais Valley and Tamalpais High School Comment
  CAS-BOT-BC13730  Ambrosia chamissonis Robert Soost 1999-6-22 s.n. Marin Point Reyes National Seashore, North Beach foredunes at edge of parking lot Comment
  CAS-BOT-BC13733  Ambrosia chamissonis Javier Penalosa 1961-8-26 2227 Marin Tiburon Peninsula, flat SW of the NWPRR Trustle Comment
  CAS-BOT-BC13735  Ambrosia chamissonis Clare R. Wheeler 1982-8-5 3262 Mendocino Elk Beach. N side of Greenwood Creek mouth. 3 Comment
  CAS-BOT-BC13736  Ambrosia chamissonis Clare R. Wheeler 1978-4-22 225 Mendocino Van Damme State Park 0 Comment
  CAS-BOT-BC13739  Ambrosia chamissonis Clare R. Wheeler; Gladys L. Smith 1981-7-28 2654 Mendocino On Caspar Beach. S of Caspar, mouth of Caspar Creek. 25 Comment
  CAS-BOT-BC13744  Ambrosia chamissonis David D. Keck 1933-11-7 2675 Mendocino 4.2 mi N of Fort Bragg Comment
  CAS-BOT-BC13745  Ambrosia chamissonis David D. Keck 1933-11-7 2675 Mendocino 4.2 mi N of Fort Bragg Comment
  CAS-BOT-BC13746  Ambrosia chamissonis David D. Keck 1933-11-7 2674 Mendocino 4.2 mi N of Fort Bragg Comment
  CAS-BOT-BC13747  Ambrosia chamissonis David D. Keck 1933-11-7 2674 Mendocino 4.2 mi N of Fort Bragg Comment
  CAS-BOT-BC13752  Ambrosia chamissonis Ella Dales Cantelow 1941-6-8 3572 Mendocino State Highway 1, on teh beach about 4 mi N of Caspar Comment
  CAS-BOT-BC13759  Ambrosia chamissonis Miss Nellie Curtis 1914-9-1 s.n. Monterey Monterey County Comment
  CAS-BOT-BC13761  Ambrosia chamissonis Fidella G. Woodcock Aug-Oct s.n. Monterey Along the coast Comment
  CAS-BOT-BC13762  Ambrosia chamissonis E. K. Abbott 1889-6-1 s.n. Monterey Monterey Bay Comment
  CAS-BOT-BC13763  Ambrosia chamissonis E. K. Abbott s.n. Monterey Monterey County Comment
  CAS-BOT-BC13764  Ambrosia chamissonis Beatrice F. Howitt 1955-7-25 732 Monterey Pacific Grove, near the Sand Plant. Comment
  CAS-BOT-BC13768  Ambrosia chamissonis David D. Keck 1933-9-8 2522 Orange Sunset Beach Comment
  CAS-BOT-BC44887  Ambrosia chamissonis P. H. Raven 1956-9-29 10507 San Francisco San Francisco, field just west of Crissy Field Comment
  CAS-BOT-BC44888  Ambrosia chamissonis P. H. Raven 1961-8-21 16559 San Francisco San Francisco, near the Cliff House Comment
  CAS-BOT-BC44889  Ambrosia chamissonis P. H. Raven 1961-8-21 16558 San Francisco San Francisco, near the Cliff House Comment
  CAS-BOT-BC44890  Ambrosia chamissonis Peter Rubtzoff 1956-8-18 2754 San Francisco San Francisco. Presidio. Along northern edge of Lobos Creek gully, between 16th Ave. and Lincoln Blvd. Comment
  CAS-BOT-BC44895  Ambrosia chamissonis Peter Rubtzoff 1956-8-18 2759 San Francisco San Francisco. Presidio. Between U.S. Marine Hospital and Lobos Creek. Comment
  CAS-BOT-BC44897  Ambrosia chamissonis Peter Rubtzoff 1957-9-7 3527 San Francisco San Francisco. Near Land's End. Comment
  CAS-BOT-BC44901  Ambrosia chamissonis W. R. Dudley 1896-11-8 s.n. San Francisco R.R. Ocean View Comment
  CAS-BOT-BC44902  Ambrosia chamissonis W. R. Dudley 1909-10-9 s.n. San Francisco Near Laguna Puerca, San Francisco Comment
  CAS-BOT-BC44907  Ambrosia chamissonis John Thomas Howell 1956-9-9 31848 San Francisco At SE end of Lake Merced Comment
  CAS-BOT-BC44908  Ambrosia chamissonis John Thomas Howell 1956-9-9 31849 San Francisco At SE end of Lake Merced Comment
  CAS-BOT-BC44909  Ambrosia chamissonis Lowell Ahart 1981-8-5 3019 San Francisco Presidio, San Francisco Comment
  CAS-BOT-BC44911  Ambrosia chamissonis J. W. Congdon 1883-7-30 s.n. San Francisco Cliff House, San Francisco Comment
  CAS-BOT-BC44913  Ambrosia chamissonis David D. Keck 1932-9-6 1757 San Francisco San Francisco, SW corner of the city Comment
  CAS-BOT-BC44914  Ambrosia chamissonis A. A. Heller 1902-6-6 5706 San Francisco San Francisco, near the Cliff House Comment
  CAS-BOT-BC44919  Ambrosia chamissonis Evalina Cannon 1895-9-1 s.n. San Francisco San Francisco, Fort Mason Comment
  CAS-BOT-BC44922  Ambrosia chamissonis Lewis S. Rose 1965-9-23 65110 San Francisco San Francisco, Golden Gate Park at Great Highway 3 Comment
  CAS-BOT-BC44923  Ambrosia chamissonis Volney Rattan 1879-1-1 s.n. San Mateo Mouth Redwood Creek Comment
  CAS-BOT-BC44924  Ambrosia chamissonis Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Point San Bruno Comment
  CAS-BOT-BC44927  Ambrosia chamissonis Saichi Kawahara 1968-6-15 443 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 3 Comment
  CAS-BOT-BC44928  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton sand dunes 6 Comment
  CAS-BOT-BC44929  Ambrosia chamissonis Lewis S. Rose 1935-9-29 35653 San Mateo Granada 3 Comment
  CAS-BOT-BC44930  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton sand dunes 6 Comment
  CAS-BOT-BC44943  Ambrosia chamissonis A. D. E. Elmer 1902-8-1 4019 Santa Barbara Santa Barbara Comment
  CAS-BOT-BC44944  Ambrosia chamissonis A. D. E. Elmer 1902-8-1 4019 Santa Barbara Santa Barbara Comment
  CAS-BOT-BC44945  Ambrosia chamissonis A. D. E. Elmer 1902-8-1 4019 Santa Barbara Point Sal State Park Comment
  CAS-BOT-BC44968  Ambrosia chamissonis Mary P. Wells 1982-7-4 s.n. Sonoma Pebble Beach, The Sea Ranch Comment
  CAS-BOT-BC44980  Ambrosia chamissonis P. H. Raven; Henry J. Thompson 1966-4-23 20697 Ventura San Nicholas Island, Seal Beach, northwest end of island Comment
  CAS-BOT-BC44981  Ambrosia chamissonis Nora Pettibone; Frank W. Hubby 1895-5-13 s.n. Ventura Hillside on Long Grade Road ( 1/2 24 Comment
  CAS-BOT-BC61478  Ambrosia chamissonis Mrs. R. W. Summers 1885-1-1 432 San Luis Obispo San Luis Obispo County Comment
  CAS-BOT-BC61480  Ambrosia chamissonis Clare B. Hardham 1957-7-31 2512 San Luis Obispo .9 miles north of Cambria Comment
  CAS-BOT-BC61483  Ambrosia chamissonis John Thomas Howell 1929-10-12 4483 San Luis Obispo Ocean Beach, 9 miles n. of Morro Comment
  CAS-BOT-BC61484  Ambrosia chamissonis Ernest C. Twisselmann 1955-10-1 2420 San Luis Obispo Morro Bay sand bars, near park headquarters. Comment
  CAS-BOT-BC61485  Ambrosia chamissonis Ernest C. Twisselmann 1955-10-1 2420 San Luis Obispo Morro Bay sand bars, near park headquarters. Comment
  CAS-BOT-BC61488  Ambrosia chamissonis David D. Keck 1933-5-5 2197 San Luis Obispo Morro Bay, on the strand Comment
  CAS-BOT-BC61489  Ambrosia chamissonis David D. Keck 1933-5-5 2197 San Luis Obispo Morro Bay, on the strand Comment
  CAS-BOT-BC61490  Ambrosia chamissonis K. L. Chambers 1966-8-30 2470 San Luis Obispo Near mouth of Hazard Canyon, 1 1/2 mi. south of the south end of Morro Bay. Comment
  CAS-BOT-BC61491  Ambrosia chamissonis K. L. Chambers 1966-8-30 2470 San Luis Obispo Near mouth of Hazard Canyon, 1 1/2 mi. south of the south end of Morro Bay. Comment
  CATA2614  Ambrosia chamissonis Steven A. Junak 1994-7-23 4035 Santa Barbara Santa Cruz Island: Christy Beach, just N of mouth of Christy Canyon 3 Comment
  CATA2615  Ambrosia chamissonis Robert F. Thorne, G. Wallace, M. Hoefs 1977-4-28 48917 Santa Barbara Santa Rosa Island: E end between Skunk and East Points 4 Comment
  CATA2616  Ambrosia chamissonis Robert F. Thorne, C. W. Tilforth, et al. 1979-4-3 52422 Ventura San Nicolas Island: Lower end of Tule Creek and dunes toward coast; N side of island, ESE of Thousand Springs 24 Comment
  CATA2617  Ambrosia chamissonis M. B. Dunkle 1940-8-17 7609 Ventura Anacapa islands: Sea bluff 0 Comment
  CATA2618  Ambrosia chamissonis M. B. Dunkle 1939-8-13 8599 Santa Barbara Santa Cruz Island: Prisoners Harbor 0 Comment
  CDA21595  Ambrosia chamissonis B. S. Herhus, Mark A. Elvin 2006-11-4 13 Orange Southern Coastal; Huntington Beach, Bolsa Chica Wetlands, southwest portion of Reserve beside Pacific Coast Highway. Comment
  CDA9963  Ambrosia chamissonis F. L. Blanc 1960-6-28 San Mateo 1 mile north of Half Moon Bay. 0 Comment
  CDA9965  Ambrosia chamissonis T. C. Fuller 1958-6-17 1905 Humboldt Zanone Ranch, Cape Mendocino. 0 Comment
  CDA9988  Ambrosia chamissonis M. H. Handley 1965-9-1 Santa Clara 12081 Highway 9, San Jose. 0 Comment
  CDA9989  Ambrosia chamissonis M. H. Handley 1967-7-19 Santa Clara 12081 Highway 9, San Jose. 0 Comment
  CHSC46902  Ambrosia chamissonis Lowell Ahart 1981-8-5 3019 San Francisco Presidio, north end of Crissy Field, about 1/4 mile east of the Golden Gate Bridge, San Francisco. 0 Comment
  CLARK-A1528-146  Ambrosia chamissonis Cesareo Perez 1971-5-15 32 Orange Huntington Beach Comment
  HSC25945  Ambrosia chamissonis Thomas W. Nelson 1970-11-17 290 Del Norte Lagoon Creek Comment
  HSC35847  Ambrosia chamissonis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2165 Ventura Ventura Comment
  HSC35864  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2130 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC35865  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2129 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC35866  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2128 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC5658  Ambrosia chamissonis David Adams 1960-7-17 Humboldt 2 miles S of Samoa 0 Comment
  HSC5664  Ambrosia chamissonis H. E. Parks Sep 1941 24215 Humboldt Little River Comment
  HSC61391  Ambrosia chamissonis Ruby Van Deventer 1960-6-16 Del Norte Kellog Ranch (Kortie Ranch), Pacific Shores subdivision 8 Comment
  HSC72779  Ambrosia chamissonis Robert A. Schlising 1963-7-30 2635 Mendocino About 6 miles N. of Ft. Bragg; between Hwy. 1 and Pacific Ocean Comment
  HSC79544  Ambrosia chamissonis Kenneth Clark 1981-5-24 1396 Humboldt 100 yards W of Deadman's Gulch 3 Comment
  HSC83524  Ambrosia chamissonis Clare R. Wheeler 1982-8-5 3262 Mendocino Elk-beach; N. side of Greenwood Creek Mouth 3 Comment
  HSC90391  Ambrosia chamissonis Jean Hanson 1980-8-28 116 Humboldt In Humboldt Bay, city of Eureka; Indian (Gunther) Island, W end of the island Comment
  HSC91929  Ambrosia chamissonis E. Mackey 1987-10-9 Humboldt Patricks Point State Park; Agate Beach Comment
  HSC93517  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. 2 Comment
  JEPS19919  Ambrosia chamissonis R. Verl. Gardner 1916-10-24 San Francisco vacant block of foot of hill s of Sutro Park; San Francisco Comment
  JEPS33531  Ambrosia chamissonis Clifton F. Smith 1951-4-15 3006 Santa Barbara on beach at Pt. Sal State Park Comment
  JEPS40931  Ambrosia chamissonis W. L. Jepson 1923-10-18 10238 San Francisco San Francisco Beach Comment
  JEPS40934  Ambrosia chamissonis W. L. Jepson 1936-8-18 17946 Mendocino 1/2 mi s, 1 1/4 mi s of Cape Mendocino Singley Creek; Cape Mendocino, Singley Creek Comment
  OBI17106  Ambrosia chamissonis G. Thomas Robbins, John Weiler 1959-5-23 4021 Contra Costa On breakwater (partly natural, partly manmade) portion of Brooks Island 9its NW extension), San Francisco Bay, Richmond Comment
  OBI17111  Ambrosia chamissonis Morton Noble 1959-7-5 44 Santa Barbara Devereux School, Goleta Township 3 Comment
  OBI28643  Ambrosia chamissonis Melissa Luckow 1981-6-25 703 San Luis Obispo N of San Simeon Beach Comment
  OBI35489  Ambrosia chamissonis S. M. Inman 1983-7-15 82 San Luis Obispo Pecho Study Site. 1/2 mi S on Pecho Valley Rd past the jctn of Pecho Rd. Rt on dirt rd after 'deer' sign Comment
  OBI43043  Ambrosia chamissonis Robert J. Rodin 1972-6-25 8726 Santa Barbara At Pt. Sal Comment
  OBI4908  Ambrosia chamissonis John V. Stechman 1965-8-10 s.n. Unknown Dune sand, N coast Comment
Read comments
Jan 15 2016
  OBI53422  Ambrosia chamissonis Arthur W. Hazebrook 1993-5-23 241 San Luis Obispo Nipomo Dunes Complex, SE portion of Big Coreopsis Hill and open dunes, along borders of the Hill Comment
  OBI5613  Ambrosia chamissonis Sharon Jochums 1974-5-18 203 San Luis Obispo Comment
  OBI79908  Ambrosia chamissonis D. R. Miller, E. A. Appel 2013-8-11 813 .1067 San Luis Obispo On beach 1.5 miles north of Hearst Castle Vistor Center Entry Gate on Highway 1. 6 Comment
  POM113970  Ambrosia chamissonis Marcus E. Jones 1926-9-3 s.n. Los Angeles San Clemente Island Comment
  POM212036  Ambrosia chamissonis C. B. Wolf 1931-8-15 2308 Santa Barbara 1 mile south of Surf 30 Comment
  POM215216  Ambrosia chamissonis D. D. Keck 1933-11-7 2675 Mendocino 4.2 mi. N of Fort Bragg. Comment
  POM253556  Ambrosia chamissonis C. L. Hitchcock, J. S. Martin 1939-7-14 5425 Mendocino Beach 2 miles north of Westport. Comment
  POM264459  Ambrosia chamissonis H. E. Parks 1941-08 24181 Humboldt On rocky and sandy beach, Big Lagoon Comment
  POM289598  Ambrosia chamissonis A. E. Irving 1928-7-18 s.n. Mendocino Near Fort Bragg, 10 mile river 15 Comment
  POM289599  Ambrosia chamissonis Arthur L. Cohen 513 Orange Ocean parts. Sand lots near beach. 0 Comment
  POM304710  Ambrosia chamissonis Henry J. Ramsey, Henry J. Ramsey 1937-7-12 I 86 Ventura Oxnard Beach. Drainage area. Comment
  POM341654  Ambrosia chamissonis F. R. Fosberg 1948-8-28 30054 Del Norte Dry Lagoon Comment
  POM4813  Ambrosia chamissonis Anonymous 1897-5-16 s.n. Orange Ocean Beach. Comment
  POM4816  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  POM50888  Ambrosia chamissonis L. R. Abrams 1899-3-4 1195 Los Angeles Ballona. Sea shore. Comment
  POM57139  Ambrosia chamissonis A. A. Heller 1903-6-29 6859 Monterey Beach at Monterey. Comment
  POM57140  Ambrosia chamissonis A. A. Heller 1903-6-29 s.n. Monterey Beach at Monterey. Comment
  RSA0019780  Ambrosia chamissonis Kevin B. Clark 2005-3-8 s.n. Orange Balboa, 200 yards south of Balboa Pier. In the city of Newport Beach, Near foot of E Street, on beach. 2 Comment
  RSA0034705  Ambrosia chamissonis Gary D. Wallace, Robert F. Thorne, Mark L. Hoefs, D. Tilforth, B. Given 1979-4-3 1598 Ventura San Nicholas Island: NE coast just W of Coast Guard Pier NE of Airfield. Comment
  RSA118964  Ambrosia chamissonis L. S. Rose 1956-8-13 56144 San Mateo San Mateo County, Princeton. 6 Comment
  RSA123305  Ambrosia chamissonis N. K. Carlson 1935-7-5 120 San Mateo [Unspecified] 0 Comment
  RSA150972  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles Due west of Wall 2; San Clemente Island 6 Comment
  RSA151257  Ambrosia chamissonis Peter H. Raven 1962-7-12 18022 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  RSA158197  Ambrosia chamissonis Peter H. Raven 1962-7-10 17953 Los Angeles Near ocean due west of Wall 2, San Clemente Island Comment
  RSA158275  Ambrosia chamissonis Peter H. Raven 1962-7-10 17957 Los Angeles On big dune at Northwest end of San Clemente Island Comment
  RSA170969  Ambrosia chamissonis R. F. Thorne, Percy C. Everett 1964-10-18 34147 Mendocino W of Hwy 1, ca. 7 miles N of Fort Bragg, W of the Grange Hall. Comment
  RSA191923  Ambrosia chamissonis R. F. Thorne 1957-8-29 18953 Monterey Monterey Peninsula. Comment
  RSA232705  Ambrosia chamissonis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 s.n. Los Angeles San Clemente Island. West Cove NW on island. Comment
  RSA246192  Ambrosia chamissonis E. K. Balls 1969-8-19 12160 Monterey By Lake Roberts 6 Comment
  RSA256400  Ambrosia chamissonis Robert A. Norris 1974-7-7 2107 San Francisco East of Baker Beach between Lobos Creek and conifer forest, San Francisco Comment
  RSA301944  Ambrosia chamissonis J. R. Shevock 1972-9-16 2277 Los Angeles Point Dune. 3 Comment
  RSA305604  Ambrosia chamissonis R. F. Thorne, John Dourley, Walter Wisura 1979-4-24 52524 Santa Barbara Santa Cruz Island. South of Fraser Point on north-west tip of island. 2 Comment
  RSA3107  Ambrosia chamissonis C. B. Wolf 1931-8-15 2308 Santa Barbara 1 mile south of Surf 30 Comment
  RSA33890  Ambrosia chamissonis Mrs Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA354314  Ambrosia chamissonis Clare R. Wheeler 1982-8-5 3262 Mendocino Elk-beach. Abundant on the high beach below town. N side of Greenwood Creek Mouth. Comment
  RSA363959  Ambrosia chamissonis R. F. Thorne, C. W. Tilforth 1976-4-15 47576 Santa Barbara Santa Cruz Island. Christy Ranch 5 Comment
  RSA416902  Ambrosia chamissonis B. C. Templeton 1960-6-23 s.n. Monterey Monterey Peninsula Comment
  RSA416919  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles San Clemente Island. Back Beach, Mosquito Harbor Comment
  RSA416923  Ambrosia chamissonis F. R. Fosberg 1930-7-7 s 3170 Los Angeles Alamitos Bay. 2 Comment
  RSA416924  Ambrosia chamissonis F. R. Fosberg 1930-6-23 s 2982 Los Angeles Del Rey. 2 Comment
  RSA416926  Ambrosia chamissonis Anstruther Davidson 1891-08 s.n. Los Angeles Los Angeles. Comment
  RSA416927  Ambrosia chamissonis L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  RSA416928  Ambrosia chamissonis L. E. Hoffman 1929-5-16 s.n. Los Angeles Castle Rock, Santa Monica. Comment
  RSA416930  Ambrosia chamissonis Ora M. Clark 1928-12-23 7188 Los Angeles Hermosa Comment
  RSA416931  Ambrosia chamissonis James B. W. Nair 1934-4-16 s.n. Los Angeles El Sugundo. Comment
  RSA416932  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  RSA416933  Ambrosia chamissonis Robert Gustafson 1981-4-14 2176 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA416934  Ambrosia chamissonis Richard Arnold 1984-8-10 1020 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V2 and V1. Comment
  RSA416935  Ambrosia chamissonis Robert Gustafson 1980-8-29 1881 Los Angeles Ballona Wetlands, Area 3. Confined to a samll relict strip of coastal strand near the jct of Lincoln Blvd. and the Ballona Creek Channel of Area 3. Comment
  RSA416942  Ambrosia chamissonis A. M. Johnson 1931-3-21 3817 Orange Newport. Comment
  RSA416943  Ambrosia chamissonis M. B. Dunkle 1933-2-11 2991 San Diego Drakesbad, Coastal Southern California. Comment
Read comments
Nov 25 2013
  RSA416946  Ambrosia chamissonis F. R. Fosberg 1931-6-7 S- 742 San Luis Obispo Morro Beach 2 Comment
  RSA4814  Ambrosia chamissonis D. L. Crawford 1928-07 s.n. Orange Beach Comment
  RSA534147  Ambrosia chamissonis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5079 Los Angeles San Clemente Island. Lower Wilson Cove Canyon; just above shoreline near the pier operations. 6 Comment
  RSA534461  Ambrosia chamissonis Richard L. Zembel 1977-5-21 44 Ventura Strand- PMTC. Pt. Mugu. Comment
  RSA642296  Ambrosia chamissonis Steven A. Junak 1991-10-19 SC- 2979 Santa Barbara Santa Cruz Island. Scorpion Anchorage, just behind beach. 3 Comment
  RSA659811  Ambrosia chamissonis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 106 Los Angeles San Clemente Island. Comment
  RSA93931  Ambrosia chamissonis F. W. Peirson 1921-1-9 1320 Orange Balboa Beach. Comment
  SBBG105354  Ambrosia chamissonis H. L. Ferguson 1980-4-15 161 Los Angeles near Pot Pound, area W of Wilson Cove 83 Comment
  SBBG113686  Ambrosia chamissonis E. Collins, S. A. Junak 1991-4-26 Los Angeles rd to Dolphin Bay 48 Comment
  SBBG53303  Ambrosia chamissonis D. M. Power 1972-11-11 Los Angeles dunes, San Clemente Island Comment
  SD107854  Ambrosia chamissonis Larry DeBuhr, Gary Wallace 1972-9-4 723 Los Angeles San Clemente Island, sand at West Cove on northwest end Comment
  SD113184  Ambrosia chamissonis Darley F. Howe 1963-8-6 3702 Del Norte Sand dunes 0.5 miles south of Crescent City Comment
  SD138513  Ambrosia chamissonis Steven A. Junak 1994-7-23 SC 4035 Santa Barbara Santa Cruz Island, Christy Beach, just north of mouth of Christy Canyon 3 Comment
  SD251669  Ambrosia chamissonis M. B. Dunkle 1939-7-31 8397 Santa Barbara San Miguel Island; Cuyler Harbor. Comment
  SD251670  Ambrosia chamissonis M. B. Dunkle 1939-7-23 Santa Barbara San Nicholas Island, Coral Harbor. Comment
  SD251671  Ambrosia chamissonis M. B. Dunkle 1939-7-23 8315 Santa Barbara San Nicholas Island; sandy bench near sea; near gardens. Comment
  SD39973  Ambrosia chamissonis Edith A. Purer 1933-8-15 5464 San Francisco San Francisco, south on stabilized sand dunes along roadside Comment
  SD39985  Ambrosia chamissonis Edith A. Purer 1932-8-1 4692 San Luis Obispo Morro Bay on sand dunes Comment
  SD39986  Ambrosia chamissonis Edith A. Purer 1932-4-23 2823 Los Angeles El Segundo, dunes near ocean Comment
  SD39991  Ambrosia chamissonis Edith A. Purer 1931-3-12 1499 Los Angeles El Segundo, on moving dunes Comment
  SD39995  Ambrosia chamissonis Edith A. Purer 1933-7-27 5352 San Mateo Near strand at Pigeon Point on low sand dunes Comment
  SD39999  Ambrosia chamissonis Edith A. Purer 1932-7-27 4144 Humboldt Samoa, near Arcata on sand dunes Comment
  SD52909  Ambrosia chamissonis Peter H. Raven 1962-7-10 17953 Los Angeles San Clemente Island, sandy slopes near ocean due west of Wall 2 Comment
  SD5666  Ambrosia chamissonis Ralph W. Sumner Jun 1920 San Diego San Diego Beaches. Comment
  SD56868  Ambrosia chamissonis Darley F. Howe 1963-8-6 Del Norte 0.5 miles south of Crescent City Comment
  SD85099  Ambrosia chamissonis Martin A. Piehl 1963-12-8 63114 Los Angeles San Clemente Island, West Cove on active dunes along west end of airfield 17 Comment
  SDSU1735  Ambrosia chamissonis David H. Hayes 1991-5-5 5 V91C San Diego At mouth of San Diego River. Ocean Beach. South side of channel, 250m from high tide line. Comment
  SEINET10725760  Ambrosia chamissonis David B. Dunn 1962-8-20 Dunn 14084 Santa Barbara Growing in the beach sands only a short distance from the surf. Near Golita Beach. 3 Comment
  SEINET10971203  Ambrosia chamissonis Taylor 1982-10-26 Taylor 5190 Monterey Moss Landing, dock area near State Marine Lab, between ocean & Hwy 1. Sea level. 0 Comment
  SEINET11855110  Ambrosia chamissonis Unknown 1932-1 9245 San Mateo Half Moon Bay Comment
  SEINET11855111  Ambrosia chamissonis Unknown 1932-1 9246 San Mateo Half Moon Bay Comment
  SEINET11855112  Ambrosia chamissonis E. A. Purer 1933-1 4713 San Francisco San Francisco Comment
  SEINET11855113  Ambrosia chamissonis Unknown 1933-1 10425 San Francisco Sunset. San Francisco Comment
  SEINET11855114  Ambrosia chamissonis E. A. Purer 1935-1 6663 San Diego Silver Strand Comment
  SEINET11855115  Ambrosia chamissonis L. K. Henry 1971-1 Del Norte Coastal trail along or above the beach. 3 mi N of Klanath River Junction Comment
  SEINET11855118  Ambrosia chamissonis M. E. Jones 1881-1 Santa Cruz Santa Cruz Comment
  SEINET11855119  Ambrosia chamissonis E. H. Graham 1931-1 6941 San Mateo Ano Nuevo Pt. S of San Francisco Comment
  SEINET11855120  Ambrosia chamissonis Unknown 1953-1 Ventura 11 mi N of Ventura Comment
  SEINET11855121  Ambrosia chamissonis E. H. Graham 1931-1 6946 Monterey Monterey Peninsula, along coast W & N of Monterey (town) Comment
  SEINET11855122  Ambrosia chamissonis W. G. Netting 1925-1 Unknown Santa Barbara Comment
  SEINET11855123  Ambrosia chamissonis L. S. Rose 1935-1 San Mateo Granada 3 Comment
  SEINET3146801  Ambrosia chamissonis E. O. Wooton 1903-7-6 sn Unknown San Diego Comment
Read comments
Jan 11 2015
  SEINET4006553 Image available Ambrosia chamissonis M. B. Dunkle 1939-1 8599 Santa Barbara Sandy beach, Prisoner's Harbor, Santa Cruz Island. Comment
  SEINET4006554 Image available Ambrosia chamissonis M. B. Dunkle 1940-1 7609 Ventura Camp, sea bluff, Anacapa Island. Comment
  SEINET4006555 Image available Ambrosia chamissonis M. B. Dunkle 1939-1 8397 Santa Barbara Sandy beach, Cuyler Harbor, San Miguel Island. Comment
  SEINET4006556 Image available Ambrosia chamissonis M. B. Dunkle 1939-1 8397 Santa Barbara Sandy beach, Cuyler Harabor, San Miguel Island. Comment
  SEINET4006558 Image available Ambrosia chamissonis M. B. Dunkle 1939-1 8315 Ventura Sandy bench near sea, near gardens, San Nicolas Island. Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  SEINET6738597 Image available Ambrosia chamissonis H. A. Walker 1906-1 476 Alameda Vicinity of Berkeley, Bay Farm Island Comment
  SEINET6738644 Image available Ambrosia chamissonis R. W. Summers 1886-6-4 s.n. San Luis Obispo Sand Beach, Avila Comment
  SEINET6738729 Image available Ambrosia chamissonis H. A. Walker 1906-1 476 Alameda Bay Farm Island Comment
  SEINET7008730  Ambrosia chamissonis Blanch McAvoy 1910-12-23 s.n. Unknown Long Beach. Comment
  SEINET7008731  Ambrosia chamissonis Blanch McAvoy 1909-5-15 s.n. Unknown Santa Monica. Comment
  SEINET7014139  Ambrosia chamissonis R. Mastrogiuseppe, J. Mastrogiuseppe 1983-7-16 3491 Humboldt Dunes near Dry Lagoon. Comment
  SFV3922  Ambrosia chamissonis P. G. Kilburn 1958-7-13 856 Los Angeles Malibu Beach, 0.25 miles west of Malibu Pier. Near Malibu Lagoon. Comment
  SJSU1964  Ambrosia chamissonis C. W. Sharsmith 1957-6-10 6430 Mendocino beach at mouth of Little River ca. 3 miles S of Mendocino City Comment
  UC1541640  Ambrosia chamissonis Harold E. Parks 1941-8-1 24181 Humboldt Big Lagoon Causeway Comment
  UC1587711  Ambrosia chamissonis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5078 Los Angeles just above shoreline near the pier operations Lower Wilson Cove Canyon; San Clemente Island 6 Comment
  UC161998  Ambrosia chamissonis Dr. E. Palmer 1875-1 San Diego San Diego, Calif-a Comment
  UC1819003  Ambrosia chamissonis Barbara Ertter, Kristina Filopovich 1994-8-19 13079 Alameda Albany waterfront ''bulb'' on former landfill north of Golden Gate Field, west end of spit at water's edge Comment
  UC204869  Ambrosia chamissonis Joseph P. Tracy 1918-7-1 4979 Humboldt 3 mi s, sw slopes Point of Cape; Cape Mendocino 3 Comment
  UC303987  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles common in sand Playa del Rey Comment
  UC31934  Ambrosia chamissonis unknown 1866-7-4 6188 Alameda Comment
  UC31935  Ambrosia chamissonis unknown 1860-1 2453 Unknown Comment
  UC336155  Ambrosia chamissonis unknown 1881-5-1 San Francisco seacoast near San Francisco Comment
  UC336320  Ambrosia chamissonis unknown Unknown Comment
  UC455849  Ambrosia chamissonis I. J. Condit 1908-7-12 Ventura in sand dunes Oxnard Comment
  UC53916  Ambrosia chamissonis Ernest Braunton 1902-5-1 311 Los Angeles Redondo Comment
  UC557669  Ambrosia chamissonis Nell Murbarger 1936-5-1 188 Los Angeles nw harbor San Clemente Island Comment
  UC57904  Ambrosia chamissonis A. A. Heller 1903-6-29 Monterey on the beach Monterey Comment
  UC57905  Ambrosia chamissonis A. A. Heller 1903-6-29 6857 Monterey on the beach Monterey Comment
  UC582624  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13687 Humboldt s end Stone Lagoon 3 Comment
  UC582625  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13688 Humboldt s end, along coast at Dry Lagoon Stone Lagoon 3 Comment
  UC942557  Ambrosia chamissonis R. S. Beal Jr. 1948-5-21 Santa Barbara along beach Santa Barbara Comment
  UCD128759  Ambrosia chamissonis Frederica Bowcutt 1986-5-19 735 a Mendocino Sinkyone Wilderness State Park. Mouth of Usal Creek. SW of Hotel Gulch mouth and old town site of Usal about 1/2 mile. About 12 air miles SE of Four Corners. Comment
  UCD128761  Ambrosia chamissonis Beecher Crampton 1955-7-27 3121 Mendocino 0.5 mile south of Caspar, State Hwy. 1. Comment
  UCD128770  Ambrosia chamissonis A. A. Beetle 1940-9-9 2628 Alameda Near Berkeley Pier, shore of San Francisco Bay. Comment
  UCD128773  Ambrosia chamissonis Michael Fleschner 1965-5-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay. Comment
  UCD128775  Ambrosia chamissonis Mary M. Hektner 1974-7-20 154 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  UCD128776  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  UCD128777  Ambrosia chamissonis P. B. Kennedy 1924-8-17 s.n. San Francisco Near Cliff House San Francisco. Comment
  UCD128782  Ambrosia chamissonis H. S. Reed 1939-7-27 311 Monterey south of Carmel. Comment
  UCD128783  Ambrosia chamissonis G. Thomas Robbins; John Weiler 1959-5-23 4021 Contra Costa Brooks Island (its north-western extension), San Francisco Bay, Richmond. 7 Comment
  UCD128785  Ambrosia chamissonis Clinton C. Shock 1980-5-25 113 Mendocino State Highway 1, 0.5 mile north of Westport. 1 Comment
  UCD143731  Ambrosia chamissonis June McCaskill 1964-10-18 691 San Francisco at Ocean Beach, at junction of Great Highway and Sloat Boulevard, San Francisco. Comment
  UCD170774  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. Between ocean and Big Lagoon. 2 Comment
  UCSB10267  Ambrosia chamissonis Purvis, Jan 1959-5-27 Santa Barbara Near the Goleta Slough south of Hollister Ave. on Fairview about 2.5 miles, Goleta 3 Comment
  UCSB23909  Ambrosia chamissonis Dunton, S. 1965-5-29 Santa Barbara Devereux Dunes Comment
  UCSB28718  Ambrosia chamissonis Boyce, Carol 1970-6-17 Santa Barbara Top of foredunes on dunes SE of channel, Coal Oil Point Reserve, 2 miles west of Goleta Point on West Campus of UCSB Comment
  UCSB43123  Ambrosia chamissonis Fletcher, Martin 1979-11-3 Santa Barbara At Bulito Beach 1 Comment
  UCSB46120  Ambrosia chamissonis Whitmore, S. 1979-9-8 Santa Barbara UCSB Main campus Comment
  UCSB70415  Ambrosia chamissonis Ferren, Wayne 1973-8-30 Monterey South of Carmel Comment
  UCSC001013  Ambrosia chamissonis D. J. Norman 1968-7-9 294 Monterey growing in sand dunes along Jetty Rd., in Coastal Strand. Jetty Rd. - Moss Landing 15 Comment
  UCSC007715  Ambrosia chamissonis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCSC010184  Ambrosia chamissonis D. Styer 2012-11-8 380 Monterey Fort Ord National Monument (Region B5) Comment
  SBBG53480  Ambrosia chamissonis var. bipinnatisecta R. Moran 1977-5-7 23983 Unknown La Salina 5 Comment
  SBBG53538  Ambrosia chamissonis var. bipinnatisecta R. Moran 1977-5-8 24000 Unknown just S of El Descanso 10 Comment
  UCR107564  Ambrosia chamissonis var. bipinnatisecta E. R. Blakley 1960-4-7 3197 Santa Barbara Channel Islands, Santa Rosa Island, East Point 8 Comment
  UCR47515  Ambrosia chamissonis var. bipinnatisecta C. F. Smith 1945-7-11 1472 Santa Barbara Santa Barbara, East Beach 4 Comment
  UCSB10360  Ambrosia chamissonis var. bipinnatisecta Norman Haller 1953-4-25 Orange collected 2.0 mi S, along U. S. Highway 101 Huntington Beach - U. S. Highway 101, and Huntington Beach Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  POM187814  Ambrosia chamissonis var. chamissonis Marcus E. Jones 1931-7-12 s.n. Mendocino Fort Bragg Comment
  POM318608  Ambrosia chamissonis var. chamissonis Patricia Wilder 1972-6-27 5390 Orange Along strand of Capistrano Beach 3 Comment
  POM324260  Ambrosia chamissonis var. chamissonis Barbara L. Wilson 1967-6-3 22 Orange Laguna Beach. 30 Comment
  POM52806  Ambrosia chamissonis var. chamissonis A. D. E. Elmer 1903-07 4616 Marin Point Reyes Post Office. Comment
  RSA134060  Ambrosia chamissonis var. chamissonis John H. Thomas 1950-9-24 2387 Santa Cruz Between Watsonville Slough and Pacific Ocean near mouth of Pajaro River and Palm Springs Speedway. Comment
  RSA170968  Ambrosia chamissonis var. chamissonis R. F. Thorne, Percy C. Everett 1964-10-18 34150 Mendocino W of Hwy 1, ca. 7 miles N of Fort Bragg, W of the Grange Hall. Comment
  RSA177877  Ambrosia chamissonis var. chamissonis Percy C. Everett 1965-5-11 34552 Los Angeles Santa Catalina Island, behind North Beach at Little Harbor. 2 Comment
  RSA17891  Ambrosia chamissonis var. chamissonis C. B. Wolf 1927-7-12 s.n. San Francisco [no locality information provided] Comment
  RSA188001  Ambrosia chamissonis var. chamissonis R. F. Thorne, Percy C. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  RSA201960  Ambrosia chamissonis var. chamissonis Ronald E. Foreman, S. C. Rainey, E. C. Evans 1965-7-27 10 Ventura San Nicolas Island. Open weedy area near the motor pool. 130 Comment
  RSA223661  Ambrosia chamissonis var. chamissonis Peter Rubtzoff 1952-7-19 1286 San Francisco Dunes at 37th Ave. between Ortega and Quintara streets Comment
  RSA239451  Ambrosia chamissonis var. chamissonis E. R. Blakley 1961-4-22 4130 Ventura San Nicolas Island. Beach dunes at the mouth of Tule Creek. 15 Comment
  RSA239480  Ambrosia chamissonis var. chamissonis E. R. Blakley 1961-4-21 4055 Ventura San Nicolas Island. NE side of island near Tank Farm and Navy Pier 46 Comment
  RSA264507  Ambrosia chamissonis var. chamissonis H. E. Parks 1941-09 24214 Humboldt Mouth of Little River Comment
  RSA28766  Ambrosia chamissonis var. chamissonis H. E. Parks 1941-09 24214 Humboldt Mouth of Little River Comment
  RSA289126  Ambrosia chamissonis var. chamissonis R. M. Beauchamp 1978-6-29 s.n. Ventura San Nicolas Island. Tufts and 1000 Springs Jct. 206 Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  RSA303769  Ambrosia chamissonis var. chamissonis R. F. Thorne, C. W. Tilforth 1979-4-3 52422 Ventura San Nicolas Island. Lower end of Tule Creek and dunes toward coast; N. side of island, E.S.E of Thousand Springs. 24 Comment
  RSA332430  Ambrosia chamissonis var. chamissonis R. F. Thorne 1984-5-5 58383 Santa Barbara Santa Cruz Island. Prisoners' Harbor, by lagoon, behind beach. 5 Comment
  RSA416910  Ambrosia chamissonis var. chamissonis Gary D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given 1979-4-3 1598 Ventura San Nicolas Island. NE coast W of Coast Guard Pier NE of Airfield. Comment
  RSA416912  Ambrosia chamissonis var. chamissonis George Kanakoff 1940-4-13 s.n. Ventura San Nicolas Island. Comment
  RSA416913  Ambrosia chamissonis var. chamissonis Blanche Trask 1901-04 s.n. Ventura San Nicolas Island. Comment
  RSA416914  Ambrosia chamissonis var. chamissonis M. B. Dunkle 1939-7-23 8315 Ventura San Nicolas Island. Sandy bench, gardens. Comment
  RSA416939  Ambrosia chamissonis var. chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 mi. S of Pigeon Pt. Comment
  RSA517493  Ambrosia chamissonis var. chamissonis Tina J. Ayers, Steven A. Junak, R. Scott, D. A. Young 1989-4-17 638 Santa Barbara Santa Cruz Island. On dunes at Coches Prietos. Comment
  RSA613618  Ambrosia chamissonis var. chamissonis R. N. Philbrick, R. E. Broder, M. R. Benedict 1964-6-18 B 64 -126 Santa Barbara Santa Cruz Island. Beach west of Christi Ranch. Comment
  RSA641705  Ambrosia chamissonis var. chamissonis R. N. Philbrick, R. E. Broder 1965-5-15 B 65 -1071 Santa Barbara Santa Rosa Island. Beach, halfway between Jolla Vieja Canyon and Johnsons Lee. Comment
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Aug 4 2010
  RSA661612  Ambrosia chamissonis var. chamissonis Austin P. Griffiths 1980-6-4 s.n. San Luis Obispo Just inland from oceanfront dunes along N side of Oso Flaco Creek Comment
  POM57137  Ambrosia chamissonis var. chamissonis H. M. Hall 1903-9-22 s.n. San Francisco Sand dunes near the Cliff House Comment
  POM57138  Ambrosia chamissonis var. chamissonis A. A. Heller 1902-6-16 5706 San Francisco Beach near the Cliff House, San Francisco Comment
  RSA118962  Ambrosia chamissonis var. chamissonis L. S. Rose 1956-8-6 56141 San Francisco 37th Ave & Ulloa St. [San Francisco] 15 Comment
  RSA158274  Ambrosia chamissonis var. chamissonis Peter H. Raven 1962-7-12 18031 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  RSA184842  Ambrosia chamissonis var. chamissonis L. S. Rose 1965-9-23 65110 San Francisco Golden Gate park at Great Highway 3 Comment
  RSA215217  Ambrosia chamissonis var. chamissonis D. D. Keck 1933-11-7 2674 Mendocino 4.2 mi. N of Fort Bragg Comment
  RSA256338  Ambrosia chamissonis var. chamissonis Robert A. Norris 1974-9-29 2212 San Francisco On dune near edge of beach near Main Post if Presidio. About 0.5 mi. from Yatch Yard. Comment
  RSA341415  Ambrosia chamissonis var. chamissonis F. C. Boutin, R. Gonderman 1967-5-18 1561 Ventura San Nicolas Island. Near the center of the island along Shannon Rd. 226 Comment
  RSA355694  Ambrosia chamissonis var. chamissonis Dave Kelly, Walter Wisura 1986-7-30 4133 Humboldt On sand dunes near Manila, Samoa peninsula W of Arcata Comment
  RSA416911  Ambrosia chamissonis var. chamissonis George Kanakoff 1940-4-12 s.n. Ventura San Nicolas Island. At edge of dry sandy ravine. Comment
  RSA416936  Ambrosia chamissonis var. chamissonis Christopher Davidson 1977-6-24 6114 Mendocino Russian Gulch State park and Beach, a few miles north of city of Mendocino. Comment
  RSA416937  Ambrosia chamissonis var. chamissonis E. S. Spalding 1923-8-2 s.n. San Francisco San Francisco, roadside near Sea Comment
  RSA416938  Ambrosia chamissonis var. chamissonis D. D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  RSA588245  Ambrosia chamissonis var. chamissonis Steven A. Junak 1994-7-23 SC- 4035 Santa Barbara Santa Cruz Island. Christy Beach, just N of mouth of Canada Christy 3 Comment
  RSA613619  Ambrosia chamissonis var. chamissonis R. N. Philbrick, R. E. Broder 1965-5-16 B 65 -1071 Santa Barbara Santa Rosa Island. West end of island, northeast of sandy point. 69 Comment
  RSA666352  Ambrosia chamissonis var. chamissonis Barbara Ertter, Brad Olson 1993-10-30 12288 Contra Costa Northeast of Rodeo, across railroad tracks from San Pablo Avenue Comment
  RSA696740  Ambrosia chamissonis var. chamissonis R. H. McArthur 1934-4-7 s.n. Orange Near outlet of Santa Ana River. Comment
  RSA93926  Ambrosia chamissonis var. chamissonis F. W. Peirson 1925-9-13 6427 San Mateo Rockaway beach. Comment
  RSA644021  Franseria chamissonis subsp. bipinnatisecta E. R. Blakley 1960-4-9 3197 Santa Barbara Santa Rosa Island. East Point. 7 Comment
  RSA644151  Franseria chamissonis subsp. bipinnatisecta E. R. Blakley 1961-4-29 4235 Santa Barbara San Miguel Island. Tip of rocky point at southeast end of Adams Cove. 15 Comment
  SEINET10475202  Franseria chamissonis subsp. bipinnatisecta Mary Susan Taylor 1976-8-13 Taylor 1217 Monterey Abundant ca. 10-500 yds W of Hwy 1, on S side of Jetty Rd, Moss Landing. 2 Comment
  SEINET10475203  Franseria chamissonis subsp. bipinnatisecta Mary Susan Taylor 1975-6-9 Taylor 709 Monterey Roberts Lake, Seaside; Riparian flats. 3 Comment
  CAS-BOT-BC123996  Franseria chamissonis var. viscida Blanche Trask 1897-4-1 10 Ventura San Nicholas Island Comment



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