37.68920 37.78920 -121.68170 -121.58170 UC/JEPS: Consortium Search Results
Search Results — 175 specimen records retrieved (175 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC407382  Achyrachaena mollis Ira L. Wiggins 1930-4-17 4561 Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC650684  Achyrachaena mollis Ira L. Wiggins 1930-4-17 4561 Alameda 1 mi e, on road to Byron Mountain House Comment
  UCD84946  Achyrachaena mollis Chuck Hughes 2010-3-29 218 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  CAS-BOT-BC206903  Aesculus californica Mrs. E. C. Sutliffe 1920-6-27 s.n. Alameda Altamont Comment
  CAS-BOT-BC181475  Allenrolfea occidentalis James McMurphy 1908-10-19 s.n. Alameda Livermore Pass Comment
  RSA18334  Allenrolfea occidentalis C. B. Wolf 1927-6-23 500 Alameda Between Mountain House and Altamont Comment
  RSA411803  Allenrolfea occidentalis F. R. Fosberg 1931-10-25 7032 Alameda Altamont Pass Comment
Read comments
May 3 2011
  UC1280903  Allenrolfea occidentalis H. E. McMinn 1937-9-26 5076 Alameda Livermore Pass Comment
  UC407035  Allium crispum Ira L. Wiggins 1930-4-17 4565 Alameda hillsides near Mountain House; Altamont Pass Comment
  UC650430  Allium crispum Ira L. Wiggins 1930-4-17 4565 Alameda hillsides near Mountain House; Altamont Pass Comment
  UC650553  Amsinckia eastwoodiae Ira L. Wiggins 1930-4-17 4558 Alameda 1 mi e Mountain Ranch (on road to Byron) Comment
  UC407364  Amsinckia intermedia Ira L. Wiggins 1930-4-17 4558 Alameda hous on road to Byron (roadside 1 mi e of Mountain) Comment
  UC1178272  Amsinckia lycopsoides Francia Chisaki 1952-3-13 202 Alameda 0.25 mi s of Highway #50 (on Mountain House Road) Comment
  UC2031443  Amsinckia menziesii Barbara Ertter 1992-3-8 10896 Alameda Intersection of I-580 and N. Flynn Road (near Altamont Pass) Comment
  JEPS73697  Amsinckia menziesii var. menziesii L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1766 Alameda just s of Hwy 580 at juction of Mountain House road (1 1/2 mi w of San Joaquin County line) 114 Comment
  UC407365  Amsinckia menziesii var. menziesii Ira L. Wiggins 1930-4-17 4559 Alameda 1 mi e of Mountain House on road to Byron Comment
  UC650559  Amsinckia menziesii var. menziesii Ira L. Wiggins 1930-4-17 4559 Alameda 1 mi e of Mountain House on road to Byron Comment
  UCD163097  Androsace elongata subsp. acuta Robert E. Preston 2014-4-15 2954 Alameda 1.6 mi ENE of Patterson Pass summit. 391 Comment
  UC763104  Apium graveolens Robert F. Hoover 1941-5-30 5269 Alameda below Altamont Comment
  CAS-BOT-BC180564  Astragalus asymmetricus Mrs. E. C. Sutliffe 1920-6-27 s.n. Alameda Altamont Comment
  CAS-BOT-BC180566  Astragalus asymmetricus W. W. Wagner 1916-4-9 s.n. Alameda Livermore Pass Comment
  JEPS54525  Astragalus asymmetricus W. L. Jepson 1919-6-21 8334 Alameda Altamont Pass Comment
  UC194912  Astragalus asymmetricus H. M. Hall 1916-6-2 10146 Alameda Livermore Pass , Livermore Pass (Altamont) Comment
  UC407036  Astragalus asymmetricus Ira L. Wiggins 1930-4-17 4562 Alameda near Mountain House (Altamont Pass); , near Mountain House Comment
  SJSU1929  Astragalus trichopodus var. lonchus Schonert 1957-5-11 Alameda Altamont Pass Comment
  CAS-BOT-BC16329  Athysanus unilateralis Robert Francis Hoover 1938-3-30 2948 Alameda Valley east of Brushy Peak. Comment
  UC7067  Atriplex coronata W. H. Brewer 1862-5-31 1189 Alameda Livermore Pass Comment
  JEPS90683  Atriplex coronata var. coronata Dean W. Taylor 1989-10-15 10578 Alameda Central Coast Ranges, Altamont Pass Altamont Pass; Central Coast Ranges, Altamont Pass 228 Comment
  JEPS90687  Atriplex coronata var. coronata Dean W. Taylor 1989-10-15 10578 Alameda Central Coast Ranges, Altamont Pass Altamont Pass; Central Coast Ranges, Altamont Pass 228 Comment
  UCD147107  Atriplex coronata var. vallicola Chuck Hughes 2013-10-1 392 Alameda About halfway between Interstate 580 and Patterson Pass Road. 162 Comment
Read comments
May 24 2018
  JEPS90661  Atriplex joaquinana Dean W. Taylor 1989-10-15 10580 Alameda Altamont Pass Central Coast Ranges, Altamont 7 1/2' quadrangle 228 Comment
  JEPS90662  Atriplex joaquinana Dean W. Taylor 1989-10-15 10580 Alameda Altamont Pass Central Coast Ranges, Altamont 7 1/2' quadrangle 228 Comment
  JEPS90663  Atriplex joaquinana Dean W. Taylor 1989-10-15 10580 Alameda Altamont Pass Central Coast Ranges, Altamont 7 1/2' quadrangle 228 Comment
  JEPS90664  Atriplex joaquinana Dean W. Taylor 1989-10-15 10580 Alameda Altamont Pass Central Coast Ranges, Altamont 7 1/2' quadrangle 228 Comment
  RSA293440  Atriplex joaquinana Reino Alava 1958-6-6 2136 Contra Costa 3 miles south of Byron, between the highway south and the railroad track Comment
  RSA293441  Atriplex joaquinana Reino Alava 1958-6-6 2138 Contra Costa 3 miles south of Byron, between the highway south and the railroad track Comment
  UC7316  Atriplex joaquinana W. H. Brewer 1862-5-31 1190 Alameda Livermore Pass Comment
  UCD109558  Atriplex minuscula Chuck Hughes 2011-8-30 296 Alameda About 100 feet southwest of Dyer Road. 221 Comment
  UCD78207  Atriplex minuscula R. E. Preston 2006-9-13 2407 Alameda Altamont Pass, on W side of Dyer Rd, 0.0 to 0.4 mi N of jct with Altamont Pass Rd 222 Comment
  JEPS88761  Atriplex prostrata Dean W. Taylor 1989-10-15 10579 Alameda Altamont Pass Altamont Quad., Central Coast Ranges, Altamont Pass 228 Comment
  UC217198  Atriplex rosea H. M. Hall 1919-10-26 Alameda Altamont Grade below Altamont (e of Livermore); , Altamont grade below Altamont Comment
  UCD109561  Atriplex rosea Chuck Hughes 2011-9-8 299 Alameda About 75 feet south of Altamont Pass Road. 144 Comment
  UCR265171  Atriplex suberecta Barbara Ertter, Lynn Hosley 1990-10-20 9674 Alameda Inner Coast Range, Bethany Reservoir 76 Comment
  CAS-BOT-BC146189  Avena barbata E. E. Stanford 1928-3-3 790 Alameda Near Altamont. 182 Comment
  GH341449  Avena barbata E. E. Stanford 1928-3-3 790 Unknown Near Altamont 182 Comment
Read comments
Mar 25 2012
  POM147993  Avena barbata E. E. Stanford 1928-3-3 790 Alameda Near Altamont 183 Comment
  UCD163371  Berula erecta Robert E. Preston 2014-10-8 2993 Alameda 1.5 mi NE of Patterson Pass summit. 245 Comment
  UCD163430  Berula erecta Robert E. Preston 2014-10-8 2993 Alameda 1.5 mi NE of Patterson Pass summit. 245 Comment
  UC1119042  Blennosperma nanum var. nanum C. M. Belshaw 1936-2-28 1519 Alameda 1 1/2 mi e of, on Altamont Pass Altamont; Tesla Quadrangle 228 Comment
  UC70191  Blennosperma nanum var. nanum J. Burtt Davy 1898-5-1 Alameda Livermore Pass Mount Diablo Region Comment
  CAS-BOT-BC100324  Blepharizonia plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6-1/2 miles west of Tracy Comment
  RSA81638  Blepharizonia plumosa subsp. plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6.5 miles west of Tracy Comment
  UCD84945  Bromus diandrus Chuck Hughes 2010-3-29 217 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  UCD102985  California macrophylla Brad D. Schafer 2004-3-29 127 Alameda Altamont Pass; 0.5 mile north of Interstate 580 and 0.5 mile east of Altamont Pass Road. Comment
  UC407367  Castilleja exserta subsp. exserta Ira L. Wiggins 1930-4-17 4555 Alameda 1 mi e Mountain House (on road to Bryon) Comment
  CHSC67903  Caulanthus flavescens James D. Jokerst 1989-3-31 3078 Contra Costa Hillside E of creek in Brushy Creek Canyon. Comment
  UCD78208  Centromadia fitchii R. E. Preston 2006-9-13 2408 Alameda Altamont Pass, on E side of Dyer Rd, 0.8 mi N of jct with Altamont Pass Rd. 230 Comment
  CAS-BOT-BC279175  Centromadia pungens subsp. pungens Mrs. E. C. Sutliffe 1920-6-27 s.n. Alameda Altamont Comment
  UCD109557  Centromadia pungens subsp. pungens Chuck Hughes 2011-8-30 295 Alameda About 100 feet southwest of Dyer Road. 221 Comment
  UCD147105  Centromadia pungens subsp. pungens Chuck Hughes 2013-10-1 390 Alameda About halfway between Interstate 580 and Patterson Pass Road. 163 Comment
  UCD160265  Chenopodium californicum Chuck Hughes 2014-4-30 401 Alameda Altamont Pass. Near the edge of Flynn Road, about 0.3 mile south of Interstate 580. 313 Comment
  CDA33354  Cirsium cymosum Jonathan Gomes 2010-6-17 PDR# 1556722 Alameda Byron; Christensen Rd. 0 Comment
  RSA108231  Clarkia affinis Harlan Lewis, C. Epling 1947-5-2 198 San Joaquin Corral Hollow Road between Livermore and Tracy, 18.0 miles west of junction with U.S. Highway 50 at Tracy Comment
  UCD163356  Claytonia exigua Robert E. Preston 2014-4-11 2951 Alameda 1.1 mi ENE of Patterson Pass summit. 437 Comment
  CAS-BOT-BC101113  Corethrogyne filaginifolia Mrs. E. C. Sutliffe 1926-6-27 s.n. Alameda Altamont Comment
  UC23217  Cressa truxillensis unknown 1892-5-31 1192 Alameda near Livermore Pass Comment
  CAS-BOT-BC291792  Deinandra lobbii R. F. Hoover 1965-8-27 9505 Alameda Altamont Pass, 2 mi. from old Mountain House on road toward Altamont Comment
  JEPS97555  Deinandra lobbii R. D. Stone 1984-10-30 646 Alameda 0.5 mi SSE of South Bay Pumping Plant Bethany Reservoir (low hills of the Elworthy Ranch); Altamont Pass 167 Comment
Read comments
May 18 2009
  JEPS97606  Deinandra lobbii R. D. Stone 1984-10-27 644 Alameda 0.8 mi SSE of South Bay Pumping Plant Bethany Reservoir; Altamont Pass 134 Comment
  UCD62786  Deschampsia danthonioides Beecher Crampton 1968-3-27 8235 Contra Costa SE corner, ca. 3.5 miles south of Byron. Comment
  JEPS73696  Dodecatheon clevelandii subsp. patulum L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1765 Alameda just s Highway 580 at junction of Mountain House road (ca 1 1/2 mi w of San Joaquin Co. line) 114 Comment
  UC766107  Eleocharis macrostachya Robert F. Hoover 1941-5-30 5270 Alameda Creek below Altamont Comment
  CAS-BOT-BC197340  Elymus W. R. Dudley 1894-6-8 8 Alameda Altamont Comment
  CDA2040  Elytrigia elongata T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  CDA2043  Elytrigia elongata T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  UC2042774  Eriogonum angulosum Barbara Ertter with Lynne Hosley 1992-8-29 11272 Alameda East Alameda Co: Patterson Pass Road 2.7 miles west of Midway Road east of Livermore. Comment
  UCD163373  Eriogonum nudum Robert E. Preston 2014-10-8 2994 Alameda 1.1 mi ENE of Patterson Pass summit. 420 Comment
  UCD163352  Eriogonum viridescens Robert E. Preston 2013-12-2 2943 Alameda 1.1 mi NE of Patterson Pass summit. 237 Comment
  JEPS107092  Eriogonum wrightii var. trachygonum Barbara Ertter, Lynne Hosley 1992-8-29 11274 Alameda Patterson Pass Road 2.7 mi w of Midway Road, e of Livermore Comment
  UC1619972  Eriogonum wrightii var. trachygonum Barbara Ertter, Lynne Hosley 1992-8-29 11274 Alameda 2.7 mi w of Midway Road e of Livermore (Patterson Pass Road, e Alameda County); Patterson Pass Road Comment
  UC762237  Erodium macrophyllum R. F. Hoover 1935-3-18 373 Alameda e side Altamont Pass Comment
  UC867358  Erodium macrophyllum L. R. Abrams 1923-4-1 9946 Alameda e end Altamont Comment
  CAS-BOT-BC402945  Eschscholzia californica Robert F. Hoover 1946-4-1 6071 Alameda Altamont Pass, east side Comment
  UC766254  Eschscholzia californica R. F. Hoover 1946-4-1 6071 Alameda Altamont Pass; e side Comment
  UCD84944  Eschscholzia californica Chuck Hughes 2010-3-29 216 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  CDA2178  Festuca arundinacea T. C. Fuller 1961-9-13 7002 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  JEPS16303  Fritillaria agrestis R. F. Hoover 1938-3-30 2947 Alameda Valley e of Brushy Peak Comment
  UC765861  Fritillaria agrestis R. F. Hoover 1938-3-30 2947 Alameda Valley e of Brushy Peak Comment
  UC2042879  Gilia capitata subsp. staminea Barbara Ertter 1992-3-8 10902 Alameda E Alameda Co.:Patterson Pass Road 2.7 miles west of Midway Road, east divide above Patterson Creek. Comment
  UCR263789  Gilia clivorum Barbara Ertter 1992-3-8 10901 Alameda Diablo Range, Patterson Pass Road 2.7 miles west of Midway Road, east of divide above Patterson Creek 277 Comment
  OBI2766  Grindelia camporum Robert F. Hoover 1965-8-27 9503 Alameda Altamont Pass, 2 mi from old "Mountain House" on road toward Altamont Comment
  CAS-BOT-BC304697  Grindelia hirsutula R. F. Hoover 1965-8-27 9503 Alameda Altamont Pass, 2 miles from old Mountain House on road toward Altamont Comment
  CAS-BOT-BC304707  Grindelia hirsutula Mrs. E. C. Sutliffe 1920-6-27 s.n. Alameda Altamont Comment
  JEPS97539  Grindelia hirsutula R. D. Stone 1983-9-16 579 Contra Costa 4.5 mi SW Byron Hot Springs; Brushy Creek; SE1/4 of NW1/4 152 Comment
  JEPS97556  Grindelia hirsutula R. D. Stone 645 Contra Costa 3 mi N of Altamont Pass Moller Ranch; Mount Diablo, Altamont Pass, Brushy Creek drainage 152 Comment
  UC407381  Guillenia lasiophylla Ira L. Wiggins 1930-4-17 4564 Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC650593  Guillenia lasiophylla Ira L. Wiggins 1930-4-17 4564 Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC766278  Hesperevax caulescens R. F. Hoover 1946-4-1 6072 Alameda east side Altamont Pass Comment
  UCD163056  Hesperevax sparsiflora Robert E. Preston 2014-4-15 2953 Alameda 1.7 mi ENE of Patterson Pass summit. 379 Comment
  UCD163098  Hesperevax sparsiflora Robert E. Preston 2014-4-15 2956 Alameda 0.9 mi NNE of Patterson Pass summit. 313 Comment
  UCD160260  Hesperevax sparsiflora var. sparsiflora Chuck Hughes 2014-4-9 397 Alameda About 0.75 mile southeast of Interstate 580. 322 Comment
  UC762881  Heterodraba unilateralis R. F. Hoover 1938-3-30 2948 Alameda Valley e of Brushy Peak Comment
  CAS-BOT-BC320240  Holocarpha obconica R. F. Hoover 1965-8-27 9504 Alameda Altamont Pass, 2 mi. from old Mountain House on road toward Altamont Comment
  JEPS97605  Holocarpha obconica R. D. Stone 1984-11-25 648 Alameda south side of Interstate 580, near site of old Cayley Station Jess Ranch; Cayley Station Comment
  OBI16048  Holocarpha obconica Robert F. Hoover 1965-8-27 9504 Alameda Altamont Pass, 2 mi from old "Mountain House" on rd toward Altamont Comment
  UC1357617  Holocarpha obconica R. F. Hoover 1965-8-27 9504 Alameda 2 mi from old Mountain House (on road toward Altamont); Altamont Pass Comment
  UC1606414  Holocarpha obconica Barbara Ertter, Lynne Hosley 1992-8-29 11273 Alameda e. Livermore (Patterson Pass Rd. 2,7 mi. w. of Midway Rd., s.w.-facing outcrop above rd.); e. Alameda Co. Comment
  UCD109562  Holocarpha obconica Chuck Hughes 2011-9-9 300 Alameda Wind farm, about 1.25 miles north of Altamont Pass Road. 137 Comment
  UCD85614  Hordeum depressum Beecher Crampton 1968-3-27 8234 Contra Costa SE corner, ca. 3.5 miles south of Byron. Comment
  JEPS22825  Lasthenia minor Ira L. Wiggins 1930-4-17 4556 Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC650687  Lasthenia minor Ira L. Wiggins 1930-4-17 4556 Alameda 1 mi e of Mountain Honse; Road to Byron Comment
  UCD33427  Lasthenia platycarpha Beecher Crampton 1968-3-27 8236 Contra Costa S.E. corner of County, ca. 3.5 miles south of Byron. Comment
  UC766280  Layia chrysanthemoides R. F. Hoover 1946-4-1 6070 Alameda e side Altamont Pass Comment
  UC1076214  Lepidium latipes Herbert L. Mason 1929-3-27 5116 Alameda Altamont Pass Comment
  UCD65585  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  UCD87579  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  UCD87580  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  UCD33430  Limnanthes douglasii subsp. rosea Beecher Crampton 1968-3-27 8238 Contra Costa Contra Costa County, S.E. corner of County, ca. 3.5 miles south of Byron. Comment
  CAS-BOT-BC283383  Lolium multiflorum W. R. Dudley 1894-6-8 10 Alameda Altamont Comment
  CHSC67947  Lupinus albifrons James D. Jokerst 1989-3-31 3077 Contra Costa Rocky hillside E of creek in Brushy Creek Canyon. Comment
  UC407034  Lupinus microcarpus var. densiflorus Ira L. Wiggins 1930-4-17 4568 Alameda Altamont Pass hillsides near Mountain House; Altamont Pass Comment
  UC650446  Lupinus microcarpus var. densiflorus Ira L. Wiggins 1930-4-17 4568 Alameda Altamont Pass hillsides near Mountain House; Altamont Pass Comment
  UCD160264  Lupinus microcarpus var. densiflorus Chuck Hughes 2014-4-30 400 Alameda West of Lawrence Livermore National Laboratory. About 1 mile south of Interstate 580. 356 Comment
  UC70180  Lupinus microcarpus var. microcarpus J. Burtt Davy May 1898 Alameda Livermore Pass Comment
  UC407033  Lupinus succulentus Ira L. Wiggins 1930-4-17 4567 Alameda Altamont Pass; hillsides near Mountain House Comment
  GH360386  Melica imperfecta var. flexuosa W. H. Brewer 1860-1-1 1205 Unknown Livermore Pass Comment
  JEPS89620  Microseris campestris Dean W. Taylor 1990-4-23 10634 Contra Costa ca. 2 mi. due w. Byron Hot Springs; San Joaquin Valley, Byron Hot Springs 7 1/2 Quad. 1964 ed. 30 Comment
  UC650622  Microseris douglasii subsp. douglasii Ira L. Wiggins 1930-4-17 4560 Alameda 1 mi e Mountain House (on road to Byron) Comment
  JEPS15052  Microseris douglasii subsp. tenella Ira L. Wiggins 1930-4-17 4560 A Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC650437  Microseris douglasii subsp. tenella Ira L. Wiggins 1930-4-17 4560 A Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC766256  Microseris douglasii subsp. tenella R. F. Hoover 1946-4-1 6073 Alameda e side Altamont Pass Comment
  UCD160259  Monolepis nuttalliana Chuck Hughes 2014-4-3 396 Alameda About halfway between Interstate 580 and Patterson Pass Road. 164 Comment
  JEPS73695  Muilla maritima L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1764 Alameda just s Highway 580 at junction of Mountain House Road (ca 1 1/2 mi w of San Joaquin County line) 114 Comment
  CAS-BOT-BC83259  Myosurus minimus W. H. Brewer 1862-5-31 1193 Alameda At Livermore Pass. Comment
  CAS-BOT-BC83260  Myosurus minimus W. H. Brewer 1862-5-31 1193 Alameda At Livermore Pass. Comment
  LA207624  Myosurus minimus W. H. Brewer; 1862-5-31 1193 Alameda Livermore Pass Comment
  UC9331  Myosurus minimus W. H. Brewer 1862-5-31 1193 Alameda Livermore Pass Comment
  UCD160263  Nassella pulchra Chuck Hughes 2014-4-30 399 Alameda west of Lawrence Livermore National Laboratory. About 1 mile south of Interstate 580. 364 Comment
  JEPS37454  Packera breweri W. L. Jepson 1937-5-12 18408 Alameda Altamont Pass Comment
  UC769913  Parapholis incurva Robert F. Hoover 1941-5-30 5268 Alameda creek below Altamont; creek below Altamont Comment
  UC24480  Phacelia distans Brewer 1862-5-31 1197 Alameda summit of Bushy Knob Livermore Pass Comment
  CHSC69643  Phacelia tanacetifolia James D. Jokerst 1989-3-31 3079 Contra Costa Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon. Comment
  GH360487  Phalaris angusta W. H. Brewer 1208 Unknown Livermore Pass Comment
  CAS-BOT-BC265944  Phalaris minor W. R. Dudley 1894-6-8 9 Alameda Altamonte Comment
  CHSC67786  Plagiobothrys acanthocarpus James D. Jokerst 1986-4-16 2639 Alameda Livermore Transmission Line Survey, W of California Aqueduct. Bottom of drainage. 83 Comment
  UCD163055  Plagiobothrys acanthocarpus Robert E. Preston 2014-4-11 2952 Alameda 1 mi NNE of Patterson Pass summit. 331 Comment
  UCD163357  Plagiobothrys acanthocarpus Robert E. Preston 2014-4-15 2955 Alameda 1.45 mi ENE of Patterson Pass summit. 314 Comment
  UCD163358  Plagiobothrys acanthocarpus Robert E. Preston 2014-4-15 2957 Alameda 0.9 mi NNE of Patterson Pass summit. 313 Comment
  CHSC67792  Plagiobothrys trachycarpus James D. Jokerst 1986-4-16 2638 Alameda Livermore Transmission Line Survey, W of California Aqueduct. Bottom of drainage. 83 Comment
  UC767853  Pleuropogon californicus R. F. Hoover 1938-3-30 2949 Alameda Altamont Comment
  UC50648  Polypogon interruptus J. Burtt Davy May 1898 Alameda region of Mount Diablo Livermore Pass; , Livermore Pass Comment
  JEPS96246  Prunus dulcis Barbara Ertter 1992-3-8 10897 Alameda roadside along Positas Creek, near junction of Patterson Pass Road and South Flynn Road Positas Creek Comment
  UC1618368  Prunus dulcis Barbara Ertter 1992-3-8 10897 Alameda roadside along Positas Creek, near junction of Patterson Pass Road and South Flynn Road Positas Creek Comment
  UCD92236  Puccinellia simplex Beecher Crampton 1968-3-27 8233 Contra Costa SE corner, ca. 3.5 miles south of Byron. Comment
  UCR263528  Ranunculus canus Barbara Ertter, CNPS 1995-3-10 14560 Alameda Brushy Peak Regional Preserve, northeast of Brushy Peak, above creek. Alta Hills, northeast of Livermore 305 Comment
  JEPS107079  Robinia pseudoacacia Barbara Ertter 1992-4-19 10983 Alameda 1 mi e of Altamont, on Altamont Pass Road, at headwaters of Mountain House Creek, ne Alameda County Comment
  UC1619978  Robinia pseudoacacia Barbara Ertter 1992-4-19 10983 Alameda 1 mi e of Altamont (on Altamont Pass Road, at headwaters of Mountain House Creek, ne Alameda County); Altamont Pass Road Comment
  UCD147109  Schinus molle Chuck Hughes 2013-10-1 389 Alameda About halfway between Interstate 580 and Patterson Pass Road. 164 Comment
  JEPS25090  Sisymbrium irio William Hirano 1961-3-7 Alameda 1/2 mi w of crossing of Midway Road (along U.S. Highway 50 at cut-off for Byron, s side of hwy, Eastern Alameda County) 100 Comment
  JEPS73698  Sisymbrium irio L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1767 Alameda just s. of Hwy. 580 at junction of Mountain House rd. (ca. 1 1/2 mi. w. of San Joaquin Co. line) 114 Comment
  UCD163355  Solidago velutina subsp. californica Robert E. Preston 2013-12-11 2944 Alameda 0.7 mi NNE of Patterson Pass summit. 350 Comment
  UC625431  Spergularia macrotheca var. longistyla G. B. and R. P. Rossbach 1938-6-5 611 Alameda marsh along roadside 1.5 mi w Altamont; Hamilton Range, San Joaquin draiange Comment
  UCD33429  Spergularia macrotheca var. longistyla Beecher Crampton 1968-3-27 8237 Contra Costa Contra Costa County, S.E. corner of County, ca. 3.5 miles south of Byron. Comment
  JEPS63000  Stachys albens W. L. Jepson 1896-6-25 14973 Alameda near Mountain House; Livermore Pass (Altamount Pass) Comment
  UC2042949  Stephanomeria virgata subsp. pleurocarpa Barbara Ertter with Lynne Hosley 1992-8-29 11269 Alameda East Alameda CO.: Patterson Pass Road 2.7 miles west of Midway Road east of Livermore. Comment
  SD58497  Suaeda californica John H. Weiler 1961-4-9 6173 Contra Costa On the east side of the road, 3.0 miles south of Byron. Comment
  JEPS59903  Suaeda moquinii W. L. Jepson 1896-6-26 Alameda between Altamont and Mountain House (near Livermore Pass) Comment
  UC70184  Suaeda moquinii J. Burtt Davy May, 1898 Alameda Livermore Pass region of Mount Diablo Comment
  UCD33428  Trifolium depauperatum var. depauperatum Beecher Crampton 1968-3-27 8236 a Contra Costa SE corner of County, ca. 3.5 miles south of Byron. Comment
  JEPS54271  Tropidocarpum capparideum Herbert L. Mason 1920-3-27 5115 Alameda fields behind Mountain House (Altamont Pass); Altamont Pass Comment
  UC1606407  Ulmus minor Barbara Ertter 1992-4-19 10984 Alameda on Altamont Pass Road ca 1 mi e Altamont (at headwaters of Mountain House Creek); headwaters of Mountain House Creek Comment
  UCD109560  Urtica urens Chuck Hughes 2011-9-1 298 Alameda Wind farm, about 0.65 mile north of the end of Dyer Road. 247 Comment
  UC407370  Vulpia microstachys var. pauciflora Ira L. Wiggins 1930-4-17 4557 Alameda 1 mi e Mountain House (on road to Byron) Comment
  UC650681  Vulpia microstachys var. pauciflora Ira L. Wiggins 1930-4-17 4557 Alameda 1 mi e Mountain House (on road to Byron) Comment
  GH361348  Vulpia myuros var. hirsuta W. H. Brewer 1860-1-1 1196 Unknown Livermore Pass Comment



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