37.81515 37.91515 -121.72067 -121.62067 UC/JEPS: Consortium Search Results
Search Results — 533 specimen records retrieved (533 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC29882  Achyrachaena mollis J. H. Thomas 1953-4-25 2999 Contra Costa about 2 miles southwest of Brentwood Comment
  UC1301058  Achyrachaena mollis Helen K. Sharsmith 1963-4-7 5298 Contra Costa near Byron; San Francisco Bay 7 Comment
  UC75304  Achyrachaena mollis C. F. Baker 1903-4-27 2795 Contra Costa Byron Comment
  UCD164888  Achyrachaena mollis Henry House 1995-4-30 1995- 7 Contra Costa About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  CAS-BOT-BC175356  Allenrolfea occidentalis C. Hart Merriam 1906-9-13 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC175357  Allenrolfea occidentalis David D. Keck 1933-8-23 2515 Contra Costa Byron Hot Springs, eastern Contra Costa County Comment
  CAS-BOT-BC175359  Allenrolfea occidentalis J. Burtt Davy 1898-5-1 s.n. Contra Costa Byron Springs, Mt. Diablo region Comment
  CAS-BOT-BC175360  Allenrolfea occidentalis J. Burtt Davy 1898-5-1 s.n. Contra Costa Byron Springs, Mt. Diablo region Comment
  CAS-BOT-BC175361  Allenrolfea occidentalis J. W. Congdon 1889-6-19 s.n. Contra Costa Byron Springs Comment
  CAS-BOT-BC175362  Allenrolfea occidentalis W. R. Dudley 1906-7-19 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC175364  Allenrolfea occidentalis Alice Eastwood 1927-5-19 14435 Contra Costa Byron Springs Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  CDA9505  Allenrolfea occidentalis D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .232 Contra Costa Byron Airport. Comment
  POM164980  Allenrolfea occidentalis Jos Burtt Davy 1898-05 s.n. Contra Costa Byron Springs, Mt. Diablo region. Comment
  UC70201  Allenrolfea occidentalis J. Burtt Davy May 1898 Contra Costa Byron Springs Region of Mt. Diablo, Byron Springs Comment
  UC767621  Allenrolfea occidentalis R. F. Hoover 1937-8-31 2707 Contra Costa Byron Hot Springs Comment
  UCR52247  Allenrolfea occidentalis E. E. Stanford 1930-5-24 1520 Contra Costa Near Byron 25 Comment
  CAS-BOT-BC137970  Alopecurus saccatus John Thomas Howell 1953-4-26 28936 Contra Costa Between Byron and Byron Hot Springs. Comment
  CAS-BOT-BC137971  Alopecurus saccatus Alice Eastwood 1914-3-14 3835 Contra Costa Byron Springs. Comment
  GH341412  Alopecurus saccatus J. T. Howell 1953-4-26 28936 Unknown between Byron and Byron Hot Springs, Contra Costa Co. Comment
  UC768586  Alopecurus saccatus R. F. Hoover 1937-5-14 2120 Contra Costa Byron Hot Springs Comment
  CDA9491  Amaranthus blitoides D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .215 Contra Costa Byron Airport. Comment
  UC726360  Amsinckia A. A. Heller 1941-3-24 15906 Contra Costa Byron Springs Comment
  UC1301076  Amsinckia eastwoodiae Helen K. Sharsmith 1963-4-7 5295 Contra Costa near Byron; San Francisco Bay Region 7 Comment
  CDA29055  Amsinckia intermedia D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .225 Contra Costa Byron Airport. Comment
  JEPS25352  Amsinckia intermedia Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6962 Contra Costa 2.4 mi w of Byron (and 0.3 mi e of junction with Vasco Road, along Camino Diablo); Camino Diablo 60 Comment
  UC725924  Amsinckia intermedia A. A. Heller 1941-3-24 15905 Contra Costa Byron Springs Comment
  UC881400  Amsinckia intermedia Lewis S. Rose 1941-3-13 41032 Contra Costa 3 mi s Byron 15 Comment
  CAS-BOT-BC26848  Amsinckia linearifolia Alice Eastwood 1914-3-14 3812 Contra Costa Byron Springs Comment
  GH93847  Amsinckia linearifolia A. Eastwood 1914-3-14 3812 Unknown Byron Springs Comment
Read comments
Mar 21 2018
  JEPS25354  Amsinckia lycopsoides Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6964 Contra Costa 1.9 mi w Byron (at road summit along Camino Diablo) 54 Comment
  CAS-BOT-BC26957  Amsinckia sparsiseta Alice Eastwood 1914-3-14 3796 Contra Costa Byron Springs Comment
  GH94256  Amsinckia sparsiseta A. Eastwood 1914-3-14 3796 Unknown Byron Springs Comment
  CAS-BOT-BC26962  Amsinckia strigosa Alice Eastwood 1914-3-14 3773 Contra Costa Byron Springs Comment
  UC198378  Amsinckia tessellata var. gloriosa Katharine Brandegee 1916-5-8 Contra Costa Byron H. S., Byron Springs Byron Springs Comment
  UCD164884  Anagallis arvensis Henry House 1995-5-16 1995- 11 Contra Costa About 100 m west of Walnut Blvd., ca. 1.25 km south of Marsh Creek Rd. 33 Comment
  UCD164658  Anthemis cotula Henry House 1995-5-20 1995- 23 Contra Costa Approximately 50 m from Walnut Blvd, about 1.25 km south of Marsh Creek Road. 30 Comment
  UC12054  Aphanes occidentalis F. T. Bioletti 1892-4-8 Contra Costa Byron Comment
  UC13388  Astragalus asymmetricus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UCD148254  Astragalus asymmetricus Robert E. Preston 2013-6-21 2916 Contra Costa 3.9 mi SW of Byron. 140 Comment
  JEPS54616  Astragalus didymocarpus var. didymocarpus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  GH366417  Astragalus tener A. Eastwood 1914-3-14 3818 Unknown Byron Springs Comment
  SEINET947942  Astragalus tener Peter H. Raven 1957-1 10586 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC193335  Astragalus tener var. tener Alice Eastwood 1914-3-14 3818 Contra Costa Byron Springs Comment
  CAS-BOT-BC193336  Astragalus tener var. tener Alice Eastwood 1914-3-14 3818 Contra Costa Byron Springs Comment
  CHSC67945  Astragalus tener var. tener James D. Jokerst 1989-3-28 3053 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC1112212  Astragalus tener var. tener Peter H. Raven with H. L. Mason, R. Ornduff, et al. 1957-4-4 10586 Contra Costa alkaline fields 3.0 mi s Byron; s of Byron Comment
  CAS-BOT-BC16333  Athysanus unilateralis Alice Eastwood 1914-3-14 3766 Contra Costa Byron Springs. Comment
  CAS-BOT-BC168611  Atriplex Alice Eastwood 1927-5-19 14438 Contra Costa Byron Springs Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  UC219420  Atriplex argentea var. mohavensis H. M. Hall 1922-5-6 11803 Contra Costa near Byron (alkaline fields); near Byron Comment
  CAS-BOT-BC168536  Atriplex coronata J. W. Congdon 1889-6-22 s.n. Contra Costa Byron Springs Comment
  CAS-BOT-BC168537  Atriplex coronata H. M. Hall 1923-10-2 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC168539  Atriplex coronata Alice Eastwood 1927-5-19 14441 Contra Costa Byron Springs Comment
  GH295496  Atriplex coronata J. W. Congdon 1889-6-19 Unknown Byron Springs Comment
  UCD148250  Atriplex coronata Robert E. Preston 2013-6-14 2912 Contra Costa 3.1 mi WSW of Byron, 0.25 mi E of Kellogg Creek. 66 Comment
  UCD148252  Atriplex coronata Robert E. Preston 2013-6-21 2914 Contra Costa 3.5 mi SW of Byron. 62 Comment
  CDA9500  Atriplex depressa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .227 Contra Costa Byron Airport. Comment
  UCD77403  Atriplex depressa Robert E. Preston 2000-8-6 1431 Contra Costa Ca. 2.1 mi ssw of Byron Hot Springs, in field along s side of Armstrong Rd, T1S R3E se 1/4 Section 28 30 Comment
  CDA9502  Atriplex fruticulosa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .229 Contra Costa Byron Airport. Comment
  CAS-BOT-BC98614  Baccharis pilularis John Thomas Howell; Gordon H. True 1972-6-29 48926 Contra Costa Near Byron Hot Springs (site) Comment
  SEINET3387286 Image available Baeria gracilis Lewis S. Rose 1932-3-15 3276 Contra Costa open fields, Byron Comment
  SEINET3146091  Bidens laevis L. S. Rose 1938-10-28 38311 Contra Costa Byron 3 Comment
  UC894031  Bidens laevis Lewis S. Rose 1938-10-28 38311 Contra Costa Byron 3 Comment
  NY31017  Blennosperma californicum A. Eastwood 1914-3-14 3768 Contra Costa Byron Springs Comment
  NY31019  Blennosperma californicum R. F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  GH414801  Blennosperma nanum L. S. Rose 1941-3-13 41035 Unknown 3 mi. s. of Byron 7 Comment
  GH414806  Blennosperma nanum A. Eastwood 1914-3-14 3768 Unknown Byron Springs Comment
  CAS-BOT-BC100697  Blennosperma nanum var. nanum Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10588 Contra Costa Vernal flats 3.0 miles s. of Byron Comment
  CAS-BOT-BC100698  Blennosperma nanum var. nanum Alice Eastwood 1914-3-14 3768 Contra Costa Byron Springs Comment
  CAS-BOT-BC100704  Blennosperma nanum var. nanum Robert F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  JEPS18259  Blennosperma nanum var. nanum Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10588 Contra Costa 3.3 mi s Byron Comment
  JEPS25358  Blennosperma nanum var. nanum Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-19 6969 Contra Costa 1mi se, e of Byron Road Byron 6 Comment
  JEPS33983  Blennosperma nanum var. nanum R. F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  UC762511  Blennosperma nanum var. nanum R. F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  UC894085  Blennosperma nanum var. nanum Lewis S. Rose 1941-3-13 41035 Contra Costa 3 mi s of, Byron 7 Comment
  CAS-BOT-BC100334  Blepharizonia plumosa Joanne Dean 1978-9-17 s.n. Contra Costa Byron Comment
  JEPS105485  Blepharizonia plumosa Eva Buxton 1994-8-10 1099 Contra Costa Cowell Ranch, ca 1/2 mile east and 1 mile south of Marsh Creek Reservoir Comment
  RSA41191  Boisduvalia glabella Robert F. Hoover 1937-5-19 2119 Contra Costa Byron Hot Springs Comment
  UCD164653  Brassica nigra Henry House 1995-5-20 1995- 22 Contra Costa Approximately 50 m from Walnut Blvd, about 1.25 km south of Marsh Creek Road. 30 Comment
  UCD164897  Brodiaea elegans subsp. elegans Henry House 1995-5-20 1995- 15 Contra Costa about 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC407032  Brodiaea terrestris subsp. terrestris Ira L. Wiggins 1930-4-17 4573 Contra Costa near Byron Comment
  UC650431  Brodiaea terrestris subsp. terrestris Ira L. Wiggins 1930-4-17 4573 Contra Costa near Byron Comment
  UC768749  Brodiaea terrestris subsp. terrestris R. F. Hoover 1937-5-14 2122 Contra Costa Byron Hot Springs Comment
  UCD164654  Bromus hordeaceus Henry House 1995-4-30 1995- 29 Contra Costa Approximately 1 km west of Walnut Blvd, about 0.5 km south of Marsh Creek Road. 60 Comment
  CAS-BOT-BC438369  Calandrinia ciliata Alice Eastwood 1914-3-14 3809 Contra Costa Byron Springs Comment
  JEPS22442  Callitriche marginata Frank Shultz 1958-3-15 Contra Costa 3 miles south of Byron. 15 Comment
  CDA9484  Carduus tenuiflorus D. G. Kelch, Abigail Moore, Michael Park 2007-5-1 7 .209 Contra Costa Byron Airport. Comment
  CHSC22515  Castilleja exserta Robert A. Schlising 1962-3-24 2106 Contra Costa Coast Ranges. Along Marsh Creek Road, about 4 mi w of Byron. Comment
  CAS-BOT-BC41007  Caulanthus flavescens Alice Eastwood 1914-3-14 3813 Contra Costa Byron Springs. Comment
  CAS-BOT-BC40477  Caulanthus lasiophyllus Katharine Brandegee s.n. Unknown Byron Springs. Comment
  CAS-BOT-BC40513  Caulanthus lasiophyllus Alice Eastwood 1914-3-14 3814 Contra Costa Byron Springs. Comment
  POM11961  Caulanthus lasiophyllus var. rigidus Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  CHSC69650  Ceanothus ramulosus James D. Jokerst; Lori May, Dave Magney 1989-4-6 3082 Contra Costa Parcel 10 (Ladd's Parcel) in watershed. Comment
  CAS-BOT-BC288540  Centromadia fitchii John Thomas Howell 1930-9-28 5497 Contra Costa 6.3 miles from Byron on the Marsh Creek Rd Comment
  CDA9504  Centromadia pungens D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .231 Contra Costa Byron Airport. Comment
  UCD148253  Centromadia pungens Robert E. Preston 2013-6-21 2915 Contra Costa 3.5 mi SW of Byron. 72 Comment
  CAS-BOT-BC279198  Centromadia pungens subsp. pungens John Thomas Howell; Gordon H. True 1972-6-29 48920 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  OBI18127  Centromadia pungens subsp. pungens Robert F. Hoover 1967-4-28 10515 Contra Costa Byron Hot Springs Comment
  UC134635  Centromadia pungens subsp. pungens C. F. Baker 1903-4-27 2875 Contra Costa Byron Pacific Coast Comment
  UC89009  Centromadia pungens subsp. pungens E. L. Greene 1886-5-23 Contra Costa Byron Springs Comment
  UC1039525  Cephalanthus occidentalis var. californicus H. L. Mason 1929-9-21 5447 Contra Costa 1 mi from Borden Highway junction with road to Antioch Comment
  CDA9490  Chenopodium rubrum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 07 .213-B Contra Costa Byron Airport. Comment
  JEPS61570  Chlorogalum pomeridianum var. pomeridianum Edw. L. Greene 1889-5-23 Contra Costa Byron Springs Comment
  UCD164886  Clarkia purpurea Henry House 1995-4-30 1995- 9 Contra Costa About 1 km west of Walnut Blvd., ca. 0.5 km south Marsh Creek Rd. 60 Comment
  JEPS5870  Collinsia bartsiifolia var. bartsiifolia Fred Shoemaker 1938-4-11 Contra Costa 3 mi w Byron Comment
  UC903181  Collinsia bartsiifolia var. bartsiifolia Ethel Crum 1936-4-5 1744 Contra Costa 2 mi w Byron; South Coast Ranges 45 Comment
  UCD164881  Conium maculatum Henry House 1995-5-20 1995- 13 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  UCD126197  Convolvulus arvensis Henry House 1995-5-20 1995- 18 a Contra Costa East Contra Costa County: ca. 100 meters west of Walnut Blvd., ca. 1.25 km south of Marsh Creek Road. 10 Comment
  JEPS100237  Convolvulus simulans Dean W. Taylor 1990-4-23 10635 Contra Costa ca. 2 miles due W of Byron Hot Springs 30 Comment
  CAS-BOT-BC427577  Crassula aquatica Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10577 Contra Costa 3.0 miles s. of Byron Comment
  CAS-BOT-BC427670  Crassula connata Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10578 Contra Costa 3.0 miles s. of Byron Comment
  CAS-BOT-BC427672  Crassula connata Alice Eastwood 1914-3-14 3810 Contra Costa Byron Springs Comment
  JEPS25357  Crassula solieri Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6968 Contra Costa 1 mi. s.e. Byron (fields e. of <Bryon> rd.) 6 Comment
  CAS-BOT-BC114612  Cyperus eragrostis John Thomas Howell; Gordon H. True 1972-6-29 48936 Contra Costa Along ditches on Byron Hot Springs Road SE of Byron. Comment
  CAS-BOT-BC294013  Deinandra kelloggii Alice Eastwood 1927-5-19 14445 Contra Costa Byron Springs Comment
  UC854138  Delphinium Lewis S. Rose 1940-4-11 40190 Contra Costa low open fields 3 mi s Byron 15 Comment
  CAS-BOT-BC10012  Delphinium hesperium subsp. pallescens Edward Lee Greene 1889-3-24 285 Contra Costa Byron Comment
  JEPS5529  Delphinium recurvatum R. F. Hoover 1938-3-25 2900 Contra Costa Byron Hot Springs Comment
  LA93067  Delphinium recurvatum Lewis; 1963-4-11 1337 Contra Costa Byron Hot Springs Rd Comment
  NY353366  Delphinium recurvatum E. L. Greene 1889-3-23 s.n. Unknown Byron Springs Comment
Read comments
Aug 11 2012
  POM150573  Delphinium recurvatum C. F. Baker 1903-4-27 s.n. Contra Costa Byron. Comment
Read comments
Oct 4 2007
  UC1314933  Delphinium recurvatum R. F. Hoover 1967-4-28 10511 Contra Costa Byron Hot Springs Comment
  UC765796  Delphinium recurvatum R. F. Hoover 1938-3-25 2900 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC16940  Delphinium variegatum subsp. variegatum Alice Eastwood 1914-3-14 3790 Contra Costa Byron Springs Comment
  CAS-BOT-BC192678  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi S. of Byron Comment
  CAS-BOT-BC192679  Deschampsia danthonioides John Thomas Howell 1953-4-26 28937 Contra Costa Between Byron and Byron Hot Springs Comment
  CDA9487  Deschampsia danthonioides D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .212 Contra Costa Byron Airport. Comment
  POM181464  Deschampsia danthonioides I. L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. S. of Byron Comment
  UC407375  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. s. Byron Comment
  UC650562  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. s. Byron Comment
  SEINET3559560 Image available Dichelostemma capitatum Lewis S. Rose 1932-3-15 3284 Contra Costa Byron. Comment
  CAS-BOT-BC208656  Distichlis spicata John Thomas Howell; Gordon H. True 1972-6-29 48925 Contra Costa Byron Hot Springs Road southeast of Byron Comment
  UC766267  Dodecatheon clevelandii subsp. patulum R. F. Hoover 1938-2-21 2749 Contra Costa Byron Hot Springs Comment
  JEPS5033  Downingia insignis Ira L. Wiggins 1930-4-17 4570 Contra Costa 0.25 mi s Byron Comment
  POM148045  Downingia insignis Alice Eastwood 1939-5-19 14444 Contra Costa Byron Springs. Comment
  UC1026379  Downingia insignis John Thomas Howell 1953-4-26 28935 Contra Costa between Byron and Byron Hot Springs Comment
  UC1051468  Downingia insignis Herbert L. Mason 1952-4-14 14267 Contra Costa 3.5 mi s Byron Comment
  UC1188738  Downingia insignis John H. Weiler 1961-4-9 6174 Contra Costa 3 mi w Byron (on the w side of the road) Comment
  UC1188740  Downingia insignis John H. Weiler 1959-4-11 5954 Contra Costa 3 mi w Byron (on the w side of the road) Comment
  UC1188741  Downingia insignis John H. Weiler 1959-4-11 5950 Contra Costa 1.5 mi s Byron (on the e side of the road) Comment
  UC1315008  Downingia insignis R. F. Hoover 1967-4-28 10503 Contra Costa Byron Hot Springs Comment
  UC1751038  Downingia insignis Annetta M. Carter 1951-5-13 3054 Contra Costa 3.3 mi. S of Byron. Comment
  UC407372  Downingia insignis Ira L. Wiggins 1930-4-17 4570 Contra Costa 0.25 mi s Byron Comment
  UC765619  Downingia insignis R. F. Hoover 1937-5-14 2117 Contra Costa Bryon Hot Springs Comment
  UCD60759  Echinochloa colona Beecher Crampton 1965-9-26 7528 Contra Costa 2 miles south of Brentwood, junction Walnut Ave, and Marsh Creek Road. Comment
  CAS-BOT-BC197108  Echinochloa crus-galli John Thomas Howell; Gordon H. True 1972-6-29 48942 Contra Costa Along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  UCD32993  Echinochloa crus-galli Beecher Crampton 1965-9-29 7527 Contra Costa Contra Costa County, 2 miles south of Brentwood, jct. of Walnut ave. and Marsh Creek rd.. Comment
  UC764884  Epilobium campestre R. F. Hoover 1937-5-14 2119 Contra Costa Byron Hot springs Comment
Read comments
Dec 18 2008
  CDA9494  Epilobium cleistogamum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .218 Contra Costa Byron Airport. Comment
  CDA9496  Epilobium pygmaeum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .22 Contra Costa Byron Airport. Comment
  UCD63093  Eragrostis curvula Beecher Crampton 1965-9-29 7526 Contra Costa 5 miles south of Brentwood Vasco Road and Camino Vaqueros. Comment
  CAS-BOT-BC250385  Eriogonum gracile Robert F. Hoover 1940-11-23 4695 Contra Costa Two miles west of Byron Comment
  UC762634  Eriogonum gracile R. F. Hoover 1940-11-23 4695 Contra Costa 2 mi s Byron Comment
  UC765825  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-5-14 2125 Contra Costa Byron Hot Springs Comment
  CDA9503  Eryngium spinosepalum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .23 Contra Costa Byron Airport. Comment
  UCD136704  Eryngium spinosepalum John Thomas Howell; Gordon H. True 1972-6-29 48927 Contra Costa Byron Hot Springs Road, SE of Byron. Comment
  CHSC67627  Eryngium vaseyi James D. Jokerst 1989-3-28 3062 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC67628  Eryngium vaseyi James D. Jokerst 1989-3-29 3072 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to terrace S of ephemeral creek. Comment
  JEPS97705  Eryngium vaseyi Annetta M. Carter 1951-6-9 3061 Contra Costa 3 mi. S of Byron. Comment
  JEPS97706  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  UC1122965  Eryngium vaseyi B. Schreiber 1937-6-12 2400 Contra Costa Byron Byron Quad., Byron 15 Comment
  UC1745504  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  UC1745539  Eryngium vaseyi Annetta M. Carter 1951-5-13 3057 Contra Costa 3.3 mi. S of Byron. Comment
  UC1745587  Eryngium vaseyi Annetta M. Carter 1951-6-9 3061 Contra Costa 3 mi. S of Byron. Comment
  UC765562  Eryngium vaseyi R. F. Hoover 1937-5-14 2124 Contra Costa Byron Hot Springs Comment
  JEPS51717  Eschscholzia caespitosa Edw. L. Greene 1888-3-25 Contra Costa Byron Comment
  SD8242  Eschscholzia californica Michener, Biolett 1892-4-10 Contra Costa Byron Comment
  UC186890  Eschscholzia rhombipetala E. L. Greene 1888-3-25 Contra Costa near Byron Comment
  JEPS74307  Frankenia salina John Thomas Howell and Gordon H. True 1972-6-29 48919 Contra Costa Byron Hot Springs Road se Byron Comment
  RSA244714  Frankenia salina J. T. Howell, G. H. True 1972-6-29 48919 Contra Costa On Byron Hot Springs Road SE of Byron. Comment
  UCD99590  Frankenia salina John Thomas Howell; Gordon H. True 1972-6-29 48919 Contra Costa on Byron Hot Springs Road southeast of Byron. Comment
  CHSC67856  Fritillaria agrestis James D. Jokerst; N. McCarten, V. Daines 1986-3-26 2601 Contra Costa Los Vaqueros Project in Livermore Valley. Comment
  UCD164885  Gilia achilleifolia Henry House 1995-4-30 1995- 10 Contra Costa About 1.2 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC903176  Gilia capitata subsp. staminea Ethel Crum 1936-4-5 1745 Contra Costa two mi w Byron; South Coast Ranges, w of Byron 45 Comment
  UC903221  Gilia capitata subsp. staminea Ethel Crum 1936-4-5 1746 Contra Costa two mi w Byron; South Coast Ranges, w of Byron 45 Comment
  SEINET3696190 Image available Gilia tricolor Lewis S. Rose 1932-3-15 3283 Contra Costa Byron. Comment
  UC809626  Gilia tricolor subsp. diffusa Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa on Marsh Creek road 4 mi w Byron; w of Byron Comment
  UC1738825  Glyceria occidentalis Dean W. Taylor 1990-4-10 10675 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  CAS-BOT-BC305218  Grindelia hirsutula Ira L. Wiggins 1930-4-17 4577 Contra Costa Near Byron Comment
  CAS-BOT-BC305237  Grindelia hirsutula Lewis S. Rose 1954-9-27 54116 Contra Costa Byron 6 Comment
  UC1042345  Grindelia hirsutula Lewis S. Rose 1954-9-27 54116 Contra Costa Byron 6 Comment
  UC984921  Grindelia hirsutula Ira L. Wiggins 1930-4-17 4577 Contra Costa near Byron Comment
  UC205978  Guillenia lasiophylla Katharine Brandegee Contra Costa Byron Springs Comment
  SEINET7883354 Image available Hemizonia virgata L. S. Rose 1941-1 41467 Contra Costa 2 mi W of Byron Comment
  CHSC67246  Hesperolinon breweri James D. Jokerst 1987-6-17 2923 Contra Costa Los Vaqueros watershed study in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Meadows and adjacent lowlands. Comment
  UC186817  Heterodraba unilateralis F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UC856339  Heterodraba unilateralis Alice Eastwood 1914-3-14 3766 Contra Costa Byron Springs Comment
  UC473456  Holocarpha heermannii John Thomas Howell 1930-9-28 5499 Contra Costa 6.3 mi from Byron (on the Marsh Creek Rd.) Comment
  CAS-BOT-BC320255  Holocarpha obconica David D. Keck 1933-10-27 2567 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320257  Holocarpha obconica David D. Keck 1933-10-27 2569 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320261  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on the Marsh Creek Road Comment
  JEPS25273  Holocarpha obconica G. Thomas Robbins 1959-9-6 4160 Contra Costa 0.6 mi e of junction with Marsh Creek Road; Vasco Road 70 Comment
  UC517968  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa dry hills along the Marsh Creek Road 5.4 mi from Byron Comment
  UC913074  Holocarpha obconica D. D. Keck and J. Clausen 1933-10-27 2567 Contra Costa 1.6 mi w Byron (1.4 mi from junction with Vasco Road); ; 1.6 mi. W of Byron, 1.4 mi. from jct. w/ Vasco Road, Contra Costa Co. Comment
  CAS-BOT-BC123420  Holocarpha obconica subsp. autumnalis David Daniels Keck; Jens Chr. Clausen 1933-10-27 2567 Contra Costa 1.6 miles W of Byron, 1.4 miles from junction with Vasco Road Comment
  GH9243  Holocarpha obconica subsp. autumnalis A. L. Page 1933-10-27 2567 Unknown 1.6 miles west of Byron, 1.4 miles from junction with Vasco Road. Comment
  CAS-BOT-BC320323  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320324  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320327  Holocarpha virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320328  Holocarpha virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC324617  Holocarpha virgata R. F. Hoover 1965-9-24 9648 Contra Costa Foothills west of Byron east of Kellogg Creek Comment
  LA27067  Holocarpha virgata Lewis S. Rose; 1941-10-16 41467 Contra Costa 2 mi. W of Byron 33.0 Comment
  RSA739609  Holocarpha virgata John Dittes 2003-6-28 2003 -69 Tehama San Joanquin Valley, rolling foothills, ca. 13.3 air miles NNE of Livermore, 3.4 air miles SSW of Brentwood, 1.3 air miles SE of Marsh Creek Reservoir Gauging Station. 73 Comment
  SEINET5782142 Image available Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi W of Byron Comment
  CHSC84517  Holocarpha virgata subsp. virgata John Dittes 2003-6-28 2003 -69 Contra Costa San Joaquin Valley; foothills, ca. 13.3 air-mile north by northeast of Livermore, ca. 3.4 air-miles south by southwest of Brentwood, ca. 1.3 air-miles southeast of Marsh Creek Reservoir Gauging Station. 73 Comment
Read comments
Dec 25 2008
  UC1357613  Holocarpha virgata subsp. virgata R. F. Hoover 1965-9-24 9648 Contra Costa foothills w, e of Kellogg Creek Byron Comment
  UC532119  Holocarpha virgata subsp. virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi w Byron (1.4 mi from junction with Vasco Road) Comment
  UC702534  Holocarpha virgata subsp. virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi w Byron 33 Comment
  CAS-BOT-BC284989  Hordeum depressum Ira L. Wiggins 1930-4-17 4578 Contra Costa 1/4 mi. S. of Byron Comment
  CDA9486  Hordeum depressum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .211 Contra Costa Byron Airport. Comment
  POM181466  Hordeum depressum I. L. Wiggins 1930-4-17 4578 Contra Costa 1/4 mi. S. of Byron Comment
  UC650561  Hordeum depressum Ira L. Wiggins 1930-4-17 4578 Contra Costa 1/4 m S of Byron Comment
  CAS-BOT-BC55476  Hornungia procumbens Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  CHSC67907  Hornungia procumbens James D. Jokerst 1989-3-28 3057 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Meadow. Comment
  UC10308  Hornungia procumbens F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CDA22719  Lastarriaea coriacea Sue Bainbridge 2007-4-26 Byron-Airport- 5 Contra Costa Byron Airport. Comment
  CAS-BOT-BC337976  Lasthenia californica Alice Eastwood 1914-3-14 3786 Contra Costa Byron Springs Comment
  CAS-BOT-BC324480  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  CAS-BOT-BC324481  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  JEPS89764  Lasthenia ferrisiae Dean William Taylor 1971-3-28 987 Contra Costa along Highway 4 1 mi e of the junction with Byron Highway Byron Highway; along Highway 4 3 Comment
  POM11966  Lasthenia ferrisiae Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  POM50986  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs. Comment
  UC1363767  Lasthenia ferrisiae Robert Ornduff 1958-4-15 4898 Contra Costa alkali flats next to road Byron Hot Springs Comment
  UC895381  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  CAS-BOT-BC353333  Lasthenia fremontii Robert F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs. Comment
  CAS-BOT-BC353336  Lasthenia fremontii Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10587 Contra Costa Vernal flats 3.0 miles S of Byron. Comment
  JEPS18258  Lasthenia fremontii Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10587 Contra Costa 3 mi s of Byron Comment
  UC1051497  Lasthenia fremontii Herbert L. Mason 1952-4-14 Contra Costa 3.5 mi s Byron Comment
  UC1184085  Lasthenia fremontii Ren-Hwa Shan 1947-3-23 2013 Contra Costa 3.3 mi s Byron 7 Comment
  UC1301067  Lasthenia fremontii Helen K. Sharsmith 1963-4-7 5300 Contra Costa vernal pools near Byron 7 Comment
  UC1314951  Lasthenia fremontii R. F. Hoover 1967-4-28 10512 Contra Costa Byron Hot Springs Comment
  UC650552  Lasthenia fremontii Ira L. Wiggins 1930-4-17 4579 Contra Costa .25 mi. s Byron Comment
  UC75371  Lasthenia fremontii C. F. Baker 1903-4-27 2867 Contra Costa Byron Comment
  UC762046  Lasthenia fremontii R. F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs Comment
  UC90074  Lasthenia fremontii E. L. Greene 1884-4-1 Contra Costa Byron Springs Comment
  JEPS73690  Lasthenia gracilis L. R. Heckard 1968-3-5 1759 Contra Costa Byron 7 Comment
  CAS-BOT-BC366304  Lasthenia minor Alice Eastwood 1914-3-14 3830 Contra Costa Byron Springs Comment
  UC1301068  Lasthenia minor Helen K. Sharsmith 1963-4-7 5297 Contra Costa near Byron 7 Comment
  UC30472  Lasthenia minor F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CAS-BOT-BC370829  Lasthenia platycarpha Alice Eastwood 1914-3-14 3823 Contra Costa Byron Springs Comment
  CDA9498  Lasthenia platycarpha D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .223 Contra Costa Byron Airport. Comment
  JEPS10875  Lasthenia platycarpha Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  JEPS25041  Lasthenia platycarpha Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-10 6967 Contra Costa 1 mi se Byron (in fields e of Byron road) 6 Comment
  JEPS81844  Lasthenia platycarpha Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-10 6967 Contra Costa 1 mi se Byron (in fields e of Byron road) 6 Comment
  JEPS9902  Lasthenia platycarpha Greene 1889-3-23 Contra Costa Byron Comment
  UC1184086  Lasthenia platycarpha Ren Hwa Shan 1947-3-23 2013 a Contra Costa vernal pool 3.3 mi s Byron 7 Comment
  UC1314947  Lasthenia platycarpha R. F. Hoover 1967-4-28 10505 Contra Costa Byron Hot Springs Comment
  UC90011  Lasthenia platycarpha E. L. Greene 1884-1-1 Contra Costa Byron Springs Comment
  CAS-BOT-BC323911  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  CAS-BOT-BC323912  Layia chrysanthemoides Alice Eastwood 1914-3-14 3821 Contra Costa Byron Springs Comment
  CAS-BOT-BC323926  Layia chrysanthemoides Alice Eastwood 1914-3-14 3820 Contra Costa Byron Springs Comment
  UC1315007  Layia chrysanthemoides R. F. Hoover 1967-4-28 10506 Contra Costa Byron Hot Springs Comment
  UC407377  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa .25 mi s Byron Comment
  UC650363  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa s Byron Comment
  UC89156  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  CAS-BOT-BC88702  Lepidium acutidens Alice Eastwood 1914-3-14 3771 Contra Costa Byron Springs. Comment
  CAS-BOT-BC88705  Lepidium acutidens R. F. Hoover 1967-4-28 10507 Contra Costa Byron Hot Springs. Comment
  CDA43401  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. Comment
  CDA43402  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. Comment
  JEPS53610  Lepidium dictyotum J. Burtt Davy May 1898 Contra Costa Byron Springs Mount Diablo Region Comment
  CDA24905  Lepidium dictyotum var. acutidens Jim Jokerst 1989-3-29 3074 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  CHSC67910  Lepidium dictyotum var. acutidens James D. Jokerst 1989-3-29 3068 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  CHSC67911  Lepidium dictyotum var. acutidens James D. Jokerst 1989-3-29 3069 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  CHSC67912  Lepidium dictyotum var. acutidens James D. Jokerst 1989-3-29 3074 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  UC856365  Lepidium dictyotum var. acutidens Lewis S. Rose 1937-3-26 37012 Contra Costa Byron 7 Comment
  CDA24908  Lepidium dictyotum var. dictyotum Jim Jokerst 1989-3-29 3073 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  CHSC67908  Lepidium dictyotum var. dictyotum James D. Jokerst 1989-3-29 3073 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  CHSC69637  Lepidium dictyotum var. dictyotum James D. Jokerst 1989-3-28 3051 B Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CAS-BOT-BC89889  Lepidium nitidum Alice Eastwood 1914-3-14 3766 a Contra Costa Byron Springs. Comment
  CAS-BOT-BC89890  Lepidium nitidum Alice Eastwood 1914-3-14 3766 b Contra Costa Byron Springs. Comment
  CAS-BOT-BC89891  Lepidium nitidum Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC89892  Lepidium nitidum Alice Eastwood 1914-3-14 3775 Contra Costa Byron Springs. Comment
  UC10675  Lepidium nitidum F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CHSC69639  Lepidium nitidum var. oreganum James D. Jokerst 1989-3-28 3051 A Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC10601  Lepidium strictum F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UCD37376  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa Contra Costa County, 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  UCD63958  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  UCD64056  Leptochloa fusca subsp. uninervia Chandler Jensen 1957-11-7 Contra Costa Vasco road, about 5 mi. south of Brentwood. Comment
  UCD64057  Leptochloa fusca subsp. uninervia Chandler Jensen 1957-11-7 Contra Costa Vasco road, about 5 mi. south of Brentwood. Comment
  UC1151682  Leptochloa uninervia Beecher Crampton 1959-10-19 5467 Contra Costa Vasco Rd. just n junction with Mt. Diablo Road (4 mi s of Brentwood) Comment
  UCR152069  Leptochloa uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 mi south of Brentwood, along Vasco Road, just N of its junction with Mount Diablo Road 40 Comment
  JEPS20577  Lessingia pectinata var. tenuipes R. F. Hoover 1940-11-23 4696 Contra Costa 2 mi w Byron Comment
  UC221462  Lessingia pectinata var. tenuipes Dr. Edward Palmer Aug 17 1892-Aug 20 1892 2678 Contra Costa Byron Hot Springs Comment
  UC761928  Lessingia pectinata var. tenuipes R. F. Hoover 1940-11-23 4696 Contra Costa 2 mi w Byron Comment
  JEPS19561  Limnanthes douglasii subsp. rosea Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  OBI12566  Limnanthes douglasii subsp. rosea Robert F. Hoover 1936-3-19 809 Contra Costa Byron Hot Springs Comment
  UC1192285  Limnanthes douglasii subsp. rosea Helen K. Sharsmith 1951-3-18 1911 Contra Costa ca 1.5 mi s Byron Comment
  UC615175  Limnanthes douglasii subsp. rosea Beryl O. Schreiber 1932-3-27 158 Contra Costa Byron Hot Springs Comment
  UC971818  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1948-3-27 1134 Contra Costa 0.1 mi s Byron Hot Springs road (along Byron-Bethany road) Comment
  UC971837  Limnanthes douglasii subsp. rosea Annetta Carter 1947-3-25 1782 Contra Costa vernal pool 3.3 mi s Byron 7 Comment
  UC1051490  Linanthus liniflorus Herbert L. Mason 1952-4-14 14265 Contra Costa 3.5 mi s Byron Comment
  UC106751  Linanthus liniflorus E. L. Greene Contra Costa Byron Springs Comment
  UC615173  Linanthus liniflorus Beryl O. Schreiber 1932-3-27 155 Contra Costa Byron Hot Springs Comment
  UC75206  Linanthus liniflorus C. F. Baker 1903-4-27 2864 Contra Costa Byron Comment
  CAS-BOT-BC269060  Lolium perenne J. W. Congdon 1889-6-19 s.n. Contra Costa Byron Springs Comment
  CDA9485  Lolium perenne D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .21 Contra Costa Byron Airport. Comment
  CHSC69467  Lomatium caruifolium var. caruifolium James D. Jokerst 1989-5-28 3056 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC659027  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1163 Contra Costa 3 mi. s. Byron Comment
  UC659029  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1164 Contra Costa 3 mi S of Byron (along highway) Comment
  UC659030  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1165 Contra Costa 3 mi. s. Byron Comment
  JEPS91400  Lotus corniculatus Dean W. Taylor 1990-4-23 10636 Contra Costa ca. 2 miles due W of Byron Hot Springs 30 Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  UC1607963  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa e of Mount Diablo (n of Byron along Marsh Creek Road); Marsh Creek Road 60 Comment
  UCD108737  Lupinus microcarpus var. densiflorus P. B. Kennedy 1928-4-19 s.n. Contra Costa Byron Springs. Comment
  CDA9489  Lythrum tribracteatum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .214 Contra Costa Byron Airport. Comment
  CAS-BOT-BC345453  Malacothrix coulteri Alice Eastwood 1914-3-14 3816 Contra Costa Byron Springs Comment
  GH420647  Malvella leprosa L. S. Rose 1938-10-28 38310 Unknown Byron 3 Comment
  SEINET3134726  Malvella leprosa L. S. Rose 1938-10-28 38310 Contra Costa Byron 3 Comment
  UC871380  Malvella leprosa Lewis S. Rose 1938-10-28 38310 Contra Costa Byron 3 Comment
  CDA9493  Marsilea vestita D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .217 Contra Costa Byron Airport. Comment
  UCD164887  Matricaria discoidea Henry House 1995-4-30 1995- 8 Contra Costa About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  CAS-BOT-BC348261  Matricaria occidentalis Alice Eastwood 1927-5-19 14446 Contra Costa Byron Springs Comment
  UC108375  Mentzelia affinis Michener and Bioletti 1892-4-10 Contra Costa Byron Comment
  CHSC67881  Microseris acuminata James D. Jokerst 1989-3-28 3052 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS18257  Microseris campestris Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10581 Contra Costa vernal flats 3.0 mi s Byron Comment
  CAS-BOT-BC348890  Microseris douglasii subsp. douglasii Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  UC195795  Microseris douglasii subsp. douglasii F. T. Bioletti 1892-1 Contra Costa Byron Comment
  JEPS88684  Microseris douglasii subsp. tenella Edw. L. Greene March, 1889 Contra Costa Byron Comment
  CAS-BOT-BC349168  Microseris elegans Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  GH10117  Microseris elegans E. L. Greene 1884-4-22 Unknown Byron Springs Comment
  JEPS18256  Microseris elegans Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10580 Contra Costa 3.0 mi s Byron Comment
  SEINET3159684  Mimulus latidens L. S. Rose 1940-4-11 40184 Contra Costa 3 miles W of Byron. 30 Comment
  UC886254  Mimulus latidens Lewis S. Rose 1940-4-11 40184 Contra Costa 3 mi w Byron 30 Comment
  UC886241  Mimulus microphyllus Lewis S. Rose 1941-3-27 41064 Contra Costa 2 mi w Byron 60 Comment
  CAS-BOT-BC349608  Monolopia major Ethel Crum 1939-3-19 2083 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC349609  Monolopia major Ethel Crum 1939-3-19 2083 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC349610  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC349611  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC349614  Monolopia major Alice Eastwood 1914-3-14 3803 Contra Costa Byron Springs Comment
  CAS-BOT-BC349619  Monolopia major C. F. Baker 1903-4-27 2796 Contra Costa Byron Comment
  JEPS25355  Monolopia major Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6965 Contra Costa along Camino Diablo 1.9 mi w Byron (at road summit) 54 Comment
  UC1484375  Monolopia major Dale E. Johnson 1975-4-12 188 Contra Costa near Byron (2.6 km (1.6 mi) w of Byron Hwy (Brentwood-Bethany road), on Camino Diablo, just w of road summit, near sand quarry) Comment
  UC407362  Monolopia major Ira L. Wiggins 1930-4-17 4584 Contra Costa 0.25 mi s Byron Comment
  UC629740  Monolopia major Ethel Crum 1939-3-19 2083 Contra Costa 2 mi w Byron 45 Comment
  UC629756  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa 2 mi w Byron 45 Comment
  UC75188  Monolopia major unknown 1908-4-27 2796 Contra Costa Byron Comment
  UC1101358  Myosurus Herbert L. Mason 1952-3-13 14200 A Contra Costa 3.3 mi s Byron Comment
  CAS-BOT-BC83287  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83288  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83289  Myosurus minimus Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83291  Myosurus minimus Herbert L. Mason 1952-4-26 14268 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83292  Myosurus minimus Herbert L. Mason 1952-4-26 14269 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83293  Myosurus minimus Herbert L. Mason 1952-4-26 14269 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83294  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10582 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC83295  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10584 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC83296  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10585 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC83297  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10583 Contra Costa 3.0 miles south of Byron. Comment
  CHSC22992  Myosurus minimus Robert A. Schlising 1962-3-24 2107 Contra Costa Coast Ranges. 'Bee meadow' near Jct Hwy 4 and Bixler Rd. Comment
  CHSC68026  Myosurus minimus James D. Jokerst 1989-3-28 3058 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC1101327  Myosurus minimus Herbert L. Mason 1952-4-14 14262 a Contra Costa 3.5 mi s of Byron Comment
  UC1101328  Myosurus minimus Herbert L. Mason 1952-4-14 14262 Contra Costa 2.5 mi s of Byron Comment
  UC1101334  Myosurus minimus Herbert L. Mason 1952-4-26 14268 Contra Costa 3.5 mi s of Byron Comment
  UC1738082  Myosurus minimus D. E. Stone 1956-4-4 14296 C-6 Contra Costa 3 mi S of Byron (on road to Herdlyn) Comment
  UC1738083  Myosurus minimus D. E. Stone 1957-2-28 14268 A12 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738084  Myosurus minimus H. L. Mason 1957-3-15 14268 B-4 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738085  Myosurus minimus H. L. Mason 1957-3-22 14268 B-6 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738086  Myosurus minimus H. L. Mason 1957-3-15 14268 B-2 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738087  Myosurus minimus H. L. Mason 1956-5-24 14268 B-1 Contra Costa 3 mi S of Byron ( on the road to Herdlyn) Comment
  UC1738088  Myosurus minimus D. E. Stone 1957-3-15 14268 B-6 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738102  Myosurus minimus D. E. Stone 1957-4-4 70 B Contra Costa 1 mi S of Byron ( on State 4) Comment
  UC1738111  Myosurus minimus D. E. Stone 1957-3-15 14 -14 Contra Costa on road to Herdlyn, 3 mi S of Byron Comment
  UC1738113  Myosurus minimus D. E. Stone 1957-3-15 14 -20 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC407383  Myosurus minimus Ira L. Wiggins 1930-4-17 4580 Contra Costa 1/4 mi s Byron Comment
  UC650598  Myosurus minimus Ira L. Wiggins 1930-4-17 4580 Contra Costa 1/4 mi s Byron Comment
  UC1738112  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 14 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738114  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -48 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738118  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738119  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -14 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  CHSC69649  Myosurus sessilis James D. Jokerst 1989-3-28 3059 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC1101329  Myosurus sessilis Herbert L. Mason 1952-4-26 14272 Contra Costa 3.5 mi s of Byron Comment
  UC1101330  Myosurus sessilis Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 mi s of Byron Comment
  UC1101331  Myosurus sessilis Herbert L. Mason 1952-4-26 14269 Contra Costa 3.5 mi s of Byron Comment
  UC1101332  Myosurus sessilis Herbert L. Mason 1952-4-26 14270 Contra Costa 3.5 mi s of Byron Comment
  UC1101333  Myosurus sessilis Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 mi s of Byron Comment
  UC1101359  Myosurus sessilis Herbert L. Mason 1952-3-13 14200 Contra Costa 3.3 mi s Bryon Comment
  UC1738117  Myosurus sessilis D. E. Stone 1955-8-26 8 -2 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738120  Myosurus sessilis D. E. Stone 1956-5-25 8 -31 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738121  Myosurus sessilis D. E. Stone 1955-8-29 8 -31 Contra Costa 3 mi S of Byron (on road to Herdlyn) Comment
  UC1738122  Myosurus sessilis D. E. Stone 1955-8-26 8 -24 Contra Costa on the road to Herdlyn, 3 mi S of Byron Comment
  JEPS73768  Nassella pulchra R. F. Hoover 1936-3-19 807 Contra Costa Byron Hot Springs Comment
  JEPS25353  Nemophila menziesii Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-19 6963 Contra Costa 2.4 mi w Byron (s-facing low hill along Camino Diablo, 0.3 mi e of junction with Vasco Road); along Camino Diablo, w of Byron 60 Comment
  UC880892  Nemophila menziesii Lewis S. Rose 1941-3-13 41029 Contra Costa 3 mi w Byron; w of Byron 30 Comment
  UCD164893  Nicotiana glauca Henry House 1995-4-30 1995- 2 Contra Costa About 1.25 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UCD32992  Panicum dichotomiflorum Beecher Crampton 1965-9-29 7525 Contra Costa 5 miles S of Brentwood, Vasco Road and Camino Vaqueros. Comment
  UCD89586  Panicum dichotomiflorum Beecher Crampton 1965-9-29 7525 Contra Costa 5 miles S of Brentwood, Vasco Road and Camino Vaqueros. Comment
  CAS-BOT-BC253921  Parapholis incurva Alice Eastwood 1927-5-19 14436 Contra Costa Byron Springs 760 Comment
  CDA9544  Parapholis incurva D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 9 .221 Contra Costa Byron Airport. Comment
  CHSC84547  Parapholis incurva John Dittes 2003-5-6 2003 -15 Contra Costa San Joaquin Valley; approximately 10.0 air-miles north of Livermore, 0.4 air-miles north of Vasco Road; Los Vaqueros Reservoir Watershed. 65 Comment
  CHSC84570  Parapholis incurva John Dittes 2003-5-6 2003 -15 Contra Costa San Joaquin Valley; approximately 10.0 air-miles north of Livermore, 0.4 air-miles north of Vasco Road; Los Vaqueros Reservoir Watershed. 65 Comment
  JEPS101188  Parapholis incurva Dean W. Taylor 1990-4-10 10618 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  SBBG115829  Parapholis incurva K. Brandegee 1918-5-8 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC259723  Paspalum distichum John Thomas Howell; Gordon H. True 1972-6-29 48941 Contra Costa Along Byron Hot Springs Road, SE of Byron Comment
  ECON355616  Paspalum distichum E. L. Greene 1903-4-27 2799 Unknown Byron, Contra Costa conty, California Comment
  CHSC23115  Phacelia ciliata Robert A. Schlising; Botany 299 class 1962-3-24 2105 Contra Costa In disturbed orchard, along Marsh Creek Road, about 4 miles 2 of Byron. Comment
  UC2022567  Phacelia ciliata Lewis S. Rose 1932-3-15 3281 Contra Costa Byron Comment
  UC107400  Phacelia distans T. S. Brandegee May 1889 Contra Costa Byron Springs Comment
  UC306173  Phacelia tanacetifolia Katharine Brandegee Contra Costa Byron Springs Comment
  UC881269  Phacelia tanacetifolia Alice Eastwood 1914-3-14 3804 Contra Costa Byron Springs Comment
  CAS-BOT-BC259028  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi. s. of Byron Comment
  JEPS70598  Phalaris lemmonii W. L. Jepson 1929-4-29 15188 Contra Costa in the railroad right-of-way near Byron Comment
  POM181445  Phalaris lemmonii I. L. Wiggins 1930-4-7 4583 Contra Costa 1/4 mile S of Byron Comment
  UC407384  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi s Byron Comment
  UC650564  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi s Byron Comment
  UC768491  Phalaris paradoxa R. F. Hoover 1937-5-14 2123 Contra Costa Byron Hot Springs Comment
  UC1055936  Pilularia americana Herbert L. Mason 1952-4-14 14261 Contra Costa 3.5 mi s Byron Comment
  CHSC67890  Plagiobothrys acanthocarpus James D. Jokerst 1988-3-21 2994 Contra Costa Los Vaqueros project in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Comment
  CHSC67891  Plagiobothrys acanthocarpus James D. Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  JEPS25356  Plagiobothrys acanthocarpus Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6966 Contra Costa 1 mi se Byron (fields e of Byron rd) 6 Comment
  JEPS60914  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-24 Contra Costa near Byron Comment
  UC1301084  Plagiobothrys acanthocarpus Helen K. Sharsmith 1963-4-7 5299 Contra Costa near Byron; San Francisco Bay Region 7 Comment
  UC189202  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC881329  Plagiobothrys acanthocarpus Lewis S. Rose 1941-3-13 41037 Contra Costa 3 mi s Byron 9 Comment
  UC1057488  Plagiobothrys canescens William Hirano 1949-3-29 Contra Costa Byron 50 Comment
  CHSC67894  Plagiobothrys humistratus James D. Jokerst 1989-3-28 3060 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC67895  Plagiobothrys humistratus James D. Jokerst 1989-3-29 3066 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  JEPS61038  Plagiobothrys humistratus E. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC1084518  Plagiobothrys nothofulvus Chas. T. Mason 1949-3-30 Contra Costa Byron Comment
  UC78186  Plagiobothrys stipitatus C. F. Baker 1903-4-27 2799 Contra Costa Byron Comment
  CDA9492  Plagiobothrys stipitatus var. micranthus D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .216 Contra Costa Byron Airport. Comment
  CHSC67896  Plagiobothrys stipitatus var. micranthus James D. Jokerst 1989-3-29 3071 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  JEPS61072  Plagiobothrys stipitatus var. micranthus E. L. Greene 1889-3-24 Contra Costa Byron Comment
  UC407385  Plagiobothrys stipitatus var. micranthus Ira L. Wiggins 1930-4-17 4582 Contra Costa 0.25 mi s Byron Comment
  UC765574  Plagiobothrys stipitatus var. micranthus R. F. Hoover 1937-5-14 2121 Contra Costa Byron Hot Springs Comment
  UC79381  Plagiobothrys stipitatus var. micranthus Katharine Brandegee Apr 1889 Contra Costa Byron Comment
  UC1301093  Plagiobothrys stipitatus var. stipitatus Helen K. Sharsmith 1963-4-7 5296 Contra Costa near Byron; San Francisco Bay Region 7 Comment
  UC24572  Plagiobothrys stipitatus var. stipitatus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UC1178520  Plagiobothrys tenellus Ethel Crum 1936-4-5 1742 Contra Costa two mi w Byron; South Coast Ranges 45 Comment
  CHSC67897  Plagiobothrys trachycarpus James D. Jokerst 1988-3-21 2995 Contra Costa Los Vaqueros project in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Comment
  CHSC67898  Plagiobothrys trachycarpus James D. Jokerst 1989-3-28 3054 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC1601371  Plagiobothrys trachycarpus Katharine Brandegee Contra Costa Byron Springs Comment
  UC191656  Plagiobothrys trachycarpus E. L. Greene 1888-3-28 Contra Costa Byron Springs Comment
  UC205048  Plagiobothrys trachycarpus Katharine Brandegee Contra Costa Byron Springs Comment
  CHSC68020  Plantago elongata James D. Jokerst 1989-3-28 3063 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS24312  Plantago elongata S. G. Smith 1957-4-28 2851 Contra Costa 1 mi s Byron Comment
  UC1314969  Plantago elongata R. F. Hoover 1967-4-28 10516 Contra Costa Byron Hot Springs Comment
  UC1314970  Plantago elongata R. F. Hoover 1967-4-28 10516 a Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC91607  Platystemon californicus Alice Eastwood 1914-3-14 3763 Contra Costa Byron Springs. Comment
  LA206263  Platystemon californicus Lewis S. Rose; 1941-3-27 41065 Contra Costa 2 mi. W of Byron 60 Comment
  UC855266  Platystemon californicus Lewis S. Rose 1941-3-27 41065 Contra Costa hills 2 mi w Byron 60 Comment
  CHSC67525  Pogogyne zizyphoroides Lori May 1990-6-6 Contra Costa E of Bixley Rd., ca. 0.5 mi N of Hwy. 4. Comment
  CHSC67530  Pogogyne zizyphoroides James D. Jokerst 1989-3-28 3065 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CDA9497  Polygonum aviculare D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .222 Contra Costa Byron Airport. Comment
  UC6649  Polygonum aviculare subsp. aviculare Hansen Sept. 1899 Contra Costa Byron Springs Comment
  UCD164875  Polygonum aviculare subsp. depressum Henry House 1995-5-20 1995- 17 Yolo Approximately 100 m W of Walnut Blvd., about 1.25 km S of Marsh Creek Rd. 34 Comment
  CDA9488  Polypogon monspeliensis D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .213 Contra Costa Byron Airport. Comment
  CDA9495  Psilocarphus brevissimus D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .219 Contra Costa Byron Airport. Comment
  UC1051469  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1952-4-14 14266 Contra Costa 3.5 mi s Byron Comment
  UC1745623  Psilocarphus brevissimus var. brevissimus Annetta M. Carter 1951-5-13 3055 Contra Costa 3.3 mi. S of Byron. Comment
  CAS-BOT-BC361831  Psilocarphus oregonus J. H. Thomas 1953-4-25 3000 Contra Costa 2 miles SW of Brentwood Comment
  CHSC67885  Psilocarphus tenellus var. tenellus James D. Jokerst 1989-3-28 3064 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS97553  Ptelea crenulata R. D. Stone 1985-3-15 657 Contra Costa Souza Ranch Byron (hills dividing the Kellogg and Brushy Creek drainages; ca. 5 mi SW of) 259 Comment
  UC1738832  Puccinellia simplex Dean W. Taylor 1990-4-10 10619 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  UCD47071  Quercus palmeri J. M. Tucker 1981-4-25 4453 D Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  UCD47072  Quercus palmeri J. M. Tucker 1981-5-31 4459 Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  UCD47073  Quercus palmeri J. M. Tucker 1981-5-31 4459 Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  UCD47075  Quercus palmeri J. M. Tucker 1981-5-31 4458 Riverside California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
Read comments
Oct 29 2006
  UCD47102  Quercus palmeri J. M. Tucker 1981-4-25 4453 I Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  CAS-BOT-BC147410  Rosa californica John Thomas Howell; Gordon H. True 1972-6-29 48930 Contra Costa Byron Hot Springs southeast of Byron Comment
  UCD113415  Rosa californica John Thomas Howell; Gordon H. True 1972-6-29 48930 Contra Costa Byron Hot Springs Road, SE of Byron. Comment
  UCD164880  Rumex crispus Henry House 1995-5-20 1995- 14 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  POM118953  Ruppia cirrhosa Edward Palmer 2673 Contra Costa Byron Hot Springs. Comment
  UC55203  Ruppia cirrhosa Geo. Hansen Sep 1899 Contra Costa Byron Springs Comment
  UC204976  Salicornia subterminalis Katharine Brandegee Contra Costa Byron Hot Springs Comment
  POM164904  Salicornia virginica Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  UC7475  Salicornia virginica Hansen Sep 1899 Contra Costa Byron Springs Comment
  UC768753  Salicornia virginica R. F. Hoover 1937-8-31 2706 Contra Costa Byron Hot Springs Comment
  UCD164883  Sambucus nigra subsp. caerulea Henry House 1995-5-20 1995- 12 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  SEINET7062977  Sanicula bipinnata A. G. Vestal 1955-4-1 s.n. Contra Costa About 1.9 miles west of Bryon on the Camino-Diablo Road. UTM Zone 10, 616555mE, 4191378mN. (WGS84/NAD83). 53 Comment
  UC195562  Senecio aphanactis E. L. Greene 1888-3-25 Contra Costa Byron Comment
  CDA9545  Senecio vulgaris D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .224 Contra Costa Byron Airport. Comment
  CAS-BOT-BC243541  Setaria parviflora John Thomas Howell; Gordon H. True 1972-6-29 48933 Contra Costa Along ditches on Byron Hot Springs Road southeast of Byron Comment
  UCD92599  Setaria parviflora John Thomas Howell; Gordon H. True 1972-6-29 48933 Contra Costa Byron Hot Springs. Road southeast of Byron. Comment
  UC10272  Sinapis alba F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CDA9448  Spergularia macrotheca var. longistyla D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .226 Contra Costa Byron Airport. Comment
  JEPS90794  Spergularia macrotheca var. longistyla Dean W. Taylor 1991-3-21 11601 Contra Costa junction of Byron Hot Springs Road and Holey Road, in a field at the ne corner, San Joaquin Valley San Joaquin Valley 12 Comment
  CAS-BOT-BC390741  Spergularia marina Alice Eastwood 1914-3-14 3779 Contra Costa Byron Springs Comment
  CAS-BOT-BC390742  Spergularia marina John Thomas Howell; Gordon H. True 1972-6-29 48914 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  POM89186  Spergularia salina var. tenuis Katherine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC393981  Stellaria nitens Alice Eastwood 1914-3-14 3767 Contra Costa Byron Springs Comment
  CAS-BOT-BC422913  Stylomecon heterophylla Alice Eastwood 1914-3-14 3770 Contra Costa Byron Springs Comment
  UC1238003  Suaeda moquinii John H. Weiler 1961-4-9 6173 Contra Costa 3 mi s Byron (e side of road) Comment
  UC1746042  Suaeda moquinii Annetta M. Carter 1951-5-13 3056 Contra Costa 3.3 mi. S of Byron. Comment
  UC407387  Suaeda moquinii Ira L. Wiggins 1930-4-17 4585 Contra Costa Byron Hot Springs Comment
  UC651291  Suaeda moquinii Ira L. Wiggins 1930-4-17 4585 Contra Costa Byron Hot Springs Comment
  UC7235  Suaeda moquinii T. J. Storer Sep 1899 Contra Costa Byron Springs Comment
  CDA9506  Suaeda nigra D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .233 Contra Costa Byron Airport. Comment
  SEINET3145883  Symphyotrichum subulatum L. S. Rose 1938-10-28 38312 Contra Costa Byron 3 Comment
  UC892918  Symphyotrichum subulatum Lewis S. Rose 1938-10-28 38312 Contra Costa Byron 3 Comment
  RSA146152  Thinopyrum ponticum T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 mi. s.e. of Byron Comment
  UC857530  Thysanocarpus curvipes Lewis S. Rose 1941-3-27 41066 Contra Costa 2 mi w Byron 60 Comment
  UC137789  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-27 2797 Contra Costa Byron Comment
  JEPS65716  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC16416  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-24 Contra Costa Byron Comment
  UC338058  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC630976  Trifolium depauperatum var. amplectens unknown 1928-4-19 10043 Contra Costa near Golf Links; Byron Hot Springs Comment
  JEPS65840  Trifolium depauperatum var. depauperatum Edw. L. Greene 1889-3-23 Contra Costa Byron Springs Comment
  UC338048  Trifolium depauperatum var. depauperatum Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC630925  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10035 b Contra Costa Byron Comment
  UC630926  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 Contra Costa near Golf Links; Byron Hot Springs Comment
  UC630932  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10035 a Contra Costa Byron Comment
  UC630935  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 a Contra Costa Byron Hot Springs, near [golf links] Byron Hot Springs Comment
  SEINET7096815  Trifolium depauperatum var. truncatum A. G. Vestal 1985-4-1 s.n. Contra Costa Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees) Comment
  UC631080  Trifolium depauperatum var. truncatum P. B. Kennedy 1928-4-19 10045 Contra Costa Byron Hot Springs Comment
  UC80338  Trifolium depauperatum var. truncatum C. F. Baker 1903-4-27 2863 Contra Costa Byron Comment
  JEPS65884  Trifolium fucatum E. L. Greene 1889-3-25 Contra Costa Byron Comment
  UC631618  Trifolium fucatum P. B. Kennedy 1928-4-19 10051 Contra Costa Byron Hot Springs Comment
  NY33736  Trifolium laciniatum E. L. Greene 04 1884 s.n. Unknown Byron Springs Comment
Read comments
Aug 11 2012
  SEINET4178511 Image available Trifolium willdenovii P. B. Kennedy 1928-1 10036 Contra Costa Byron Comment
  SEINET7096740  Trifolium willdenovii A. G. Vestal 1955-4-1 3586 Contra Costa Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees) Comment
  UC407376  Trifolium willdenovii Ira L. Wiggins 1930-4-17 4575 Contra Costa 1/4 mi s Byron Comment
  UC650439  Trifolium willdenovii Ira L. Wiggins 1930-4-17 4575 Contra Costa 1/4 mi s Byron Comment
  UC103158  Triphysaria eriantha subsp. eriantha C. F. Baker 1903-4-27 2792 Contra Costa Byron Comment
  UC407378  Triphysaria eriantha subsp. eriantha Ira L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi s Byron Comment
  UC650592  Triphysaria eriantha subsp. eriantha Ira L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi s Byron Comment
  UCD139316  Triteleia hyacinthina Henry House 1995-4-30 1995- 19 a Contra Costa East Contra Costa County: ca. 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Road. 60 Comment
  CAS-BOT-BC67349  Tropidocarpum capparideum Edw. L. Greene 1889-3-23 s.n. Contra Costa Byron. Comment
  GH422486  Tropidocarpum capparideum R. F. Hoover 1936-3-19 806 Unknown Byron Hot Springs Comment
  GH422487  Tropidocarpum capparideum T. S. Brandegee 1887-05-01 - 1887-06-01 Unknown Byron Comment
  GH422491  Tropidocarpum capparideum A. Eastwood 1914-3-14 3824 Unknown Byron Springs Comment
  JEPS54270  Tropidocarpum capparideum Edward Lee Greene 1888-3-24 Contra Costa Byron Spr. Comment
  LA204485  Tropidocarpum capparideum Robert F. Hoover; 1936-3-19 806 Contra Costa Byron Hot Springs Comment
  RSA428387A  Tropidocarpum capparideum Edward L. Greene 1889-3-24 s.n. Contra Costa Byron Comment
  UC596401  Tropidocarpum capparideum R. F. Hoover 1936-3-19 806 Contra Costa Byron Hot Springs Comment
  UCR81450  Tropidocarpum capparideum Edward L. Greene 1888-3-25 s.n. Contra Costa Byron Springs 107 Comment
  CAS-BOT-BC67402  Tropidocarpum gracile Alice Eastwood 1914-3-14 3783 Contra Costa Byron Springs. Comment
  CAS-BOT-BC67403  Tropidocarpum gracile Alice Eastwood 1914-3-14 3824 a Contra Costa Byron Springs. Comment
  GH422568  Tropidocarpum gracile A. Eastwood 1914-3-14 3824 a Unknown Byron Springs Comment
  GH422569  Tropidocarpum gracile A. Eastwood 1914-3-14 3783 Unknown Byron Springs Comment
  UCD164894  Urtica urens Henry House 1995-4-30 1995- 1 Contra Costa About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC407386  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron Comment
  UC650440  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron Comment
  UC74935  Vicia americana var. americana unknown 1903-4-27 2793 Contra Costa Byron Comment



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