Search Results — 793 specimen records retrieved (667 records with coordinates)
Results for search: Scientific name=Corylus cornuta californica (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
  JEPS18421  Corylus californica G. Thomas Robbins 1957-2-24 3803 San Mateo Brisbane, upper edge of San Bruno Mountains, NE end Comment
Read comments
Sep 12 2011
  JEPS35937  Corylus californica Joseph P. Tracy 1938-7-6 16027 Humboldt Big Lagoon Prairie 15 Comment
  JEPS35938  Corylus californica Joseph P. Tracy 1934-7-31 13520 Del Norte 3 mi E of Crescent City 15 Comment
  JEPS46302  Corylus californica Wilfred T. Frost 1932-8-20 412 Marin Rattlesnake Camp No. 1 Mount Tamalpais Comment
  JEPS46303  Corylus californica Wilfred T. Frost 1932-9-18 455 Marin Camp Tucker Mount Tamalpais Comment
  JEPS46304  Corylus californica Wilfred T. Frost 1932-9-18 455 Marin Camp Tucker Mount Tamalpais Comment
  JEPS46431  Corylus californica W. L. Jepson July 1901 Marin Inverness Comment
  JEPS46432  Corylus californica W. L. Jepson Sept. 1919 Alameda Strawberry Canyon Berkeley Comment
  JEPS46433  Corylus californica W. L. Jepson July 1923 Alameda Berkeley Comment
  JEPS58596  Corylus californica W. L. Jepson 1891-4-25 Alameda West Berkeley Comment
  JEPS58660  Corylus californica W. L. Jepson 1900-7-1 686 Tulare Marble Fork trail to Round Meadow Sierra Nevada, Sequoia National Park, Giant Forest 1828 Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  JEPS58666  Corylus californica Lincoln Constance 1934-5-24 636 Humboldt bordering lower Look Prairie on e side, South Fork Eel River, Bull Creek Region South Fork Eel River; Bull Creek Region, South Fork Eel River 121 Comment
  JEPS58667  Corylus californica W. L. Jepson 1919-5-18 8301 Marin 2 mi nw of Inverness 91 Comment
  JEPS58668  Corylus californica W. L. Jepson 1909-7-31 3493 Mariposa Merced Big Trees Comment
  JEPS58669  Corylus californica W. L. Jepson Jun 1913 5622 Alameda Berkeley Comment
  JEPS58671  Corylus californica W. L. Jepson 1914-2-14 5726 Marin Mt. Tamalpais Comment
  JEPS58672  Corylus californica W. L. Jepson 1916-7-23 6823 Alameda Oakland Hills Comment
  JEPS58673  Corylus californica W. L. Jepson 1922-7-28 9791 Alameda Strawberry Canyon Berkeley Comment
  JEPS58675  Corylus californica W. L. Jepson 1903-7-2 2241 Mendocino Mill Creek Canyon Ukiah 274 Comment
  JEPS58676  Corylus californica W. L. Jepson 1916-9-9 6850 Alameda Oakland HIlls Comment
  JEPS75514  Corylus californica P. F. Yorks 1975-3-9 376 Contra Costa N of Briones Reservoir, ca. 1.6 km S of Bear Creek Road on Hampton Road Hampton Road Natural Reserve 200 Comment
  JEPS78178  Corylus californica Gary W. Zamzow 1972-7-20 93 Siskiyou 7 mi e of McCloud (on Highway 89, Fowlers Campground, on e-facing bank of McCloud River); McCloud River, Fowlers Campground, Highway 89 1066 Comment
  JEPS83835  Corylus californica Wayne Roderick Aug 1975 Siskiyou vicinity of Cook and Green Pass, near Summit Siskiyou Mountains 1463 Comment
  JEPS84415  Corylus californica J. Stratford 1981-3-11 Alameda MacDonald Ridge on edge of redwood grove Anthony Chabot Regional Park Comment
  JEPS91132  Corylus californica W. L. Jepson 1900-9-18 1185 Marin Inverness Comment
  JEPS94222  Corylus californica Vernon Oswald and Lowell Ahart 1998-5-14 9070 .1 Trinity 1.4 mi n of Gemmill Gulch Picnic Area (Wildwood Road 6.7 mi n of Highway 36); Wildwood Road 1024 Comment
  JEPS94507  Corylus californica Vernon Oswald and Lowell Ahart 1997-7-7 8704 Tehama Forest Route 35 at Slide Creek near the ne corner of the Yolla Bolly Middle Eel Wilderness Slide Creek; Yolla Bolly Middle Eel Wilderness, Slide Creek 1188 Comment
  UC1005623  Corylus californica Frank W. Gould 1940-2-8 865 Contra Costa Grizzly Peak, N side 289 Comment
  UC1011081  Corylus californica Emanuel Fritz 1941-10-4 8610 Humboldt Van Duzen River 91 Comment
  UC1035066  Corylus californica Roxana S. Ferris 1955-7-11 12961 Shasta Hatchet Creek Public Camp, US 299, W slope Hatchet Mt. grade 1188 Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  UC1045282  Corylus californica W. B. Cooke 1940-7-12 15308 Siskiyou near the Box Canyon of the Sacramento near Mt. Shasta City 914 Comment
  UC1103505  Corylus californica Joseph P. Tracy 1909-8-29 3080 Humboldt Humboldt Hill, N side Northern Coast Region, region about Humboldt Bay 0 Comment
  UC112786  Corylus californica Miss Harriet A. Walker Jun 23-29 1906 307 Mendocino near Comptche Comment
  UC1135180  Corylus californica W. R. Howden 1935-10-24 246 Calaveras 1 mi E of Fort Mtn. 853 Comment
  UC1135181  Corylus californica W. A. Peterson 1935-8-17 18 Madera 1 1/2 mi e of Happy Camp (Sierra National Forest); Sierra National Forest 1615 Comment
  UC1135182  Corylus californica W. W. Akey 1935-6-27 77 Santa Cruz 3/4 mi ne of Glenwood (Quadrangle New Almaden); Quadrangle New Almaden 487 Comment
  UC1135183  Corylus californica D. Axelrod 1936-7-19 601 Monterey 1 1/2 mi S of Watsonville Junction 15 Comment
  UC1135184  Corylus californica P. L. Johannsen, A. Lewis 1933-8-19 199 Del Norte Middle Fork 152 Comment
  UC1135185  Corylus californica H. S. Yates 1932-8-22 3557 Mendocino Asa Bean Ridge 1066 Comment
  UC1135186  Corylus californica G. T. Nordstrom 1936-5-27 806 Amador 4.3 mi NW of Volcano 518 Comment
  UC1135187  Corylus californica G. E. Sindel 1935-7-31 318 San Mateo 1 1/2 mi sw of La Honda; California Forest Experiment Station 213 Comment
  UC1135188  Corylus californica E. Sawyer 1935-10-19 545 Mariposa 1 1/4 mi NE of Alder Creek Ranger Station 1645 Comment
  UC1135189  Corylus californica W. A. Peterson 1935-8-27 45 Mariposa 3/4 mi N of Happy Camp 1493 Comment
  UC1135190  Corylus californica G. T. Nordstrom 1934-7-11 216 Plumas Plumas National Forest, Lower Bucks Lake Lower Bucks Lake; Plumas National Forest, Lower Bucks Lake 1554 Comment
  UC1135191  Corylus californica C. R. Clar, F. Raymond 1929-8-5 24 Santa Cruz Hall's Bridge 475 Comment
  UC1135192  Corylus californica P. L. Johannsen, A. D. Gifford 1934-6-7 256 El Dorado SW of Pyramid Peak 1066 Comment
  UC1135193  Corylus californica N. French 1935-3-28 616 Marin Muir Woods 243 Comment
  UC1135194  Corylus californica N. French 1932-9-5 9 Trinity Canyon Creek 914 Comment
  UC1135195  Corylus californica J. E. Sowder 1932-10-17 8 Trinity Trinity National Forest, North Fork Rattlesnake Creek North Fork Rattlesnake Creek; Trinity National Forest, North Fork Rattlesnake Creek 1158 Comment
  UC1175128  Corylus californica P. C. Everett and E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek (Hwy 96 from Orleans to Weitchpec) 121 Comment
  UC1193069  Corylus californica W. P. Hoffman 1949-8-16 31 Mendocino 1/4 mi NW of Juan Creek Store 152 Comment
  UC1193070  Corylus californica K. Cuff 114 Mendocino 10 mi NE of Fort Bragg 91 Comment
  UC1197931  Corylus californica Mary Harriet Tracy 1946-5-30 Humboldt 5 mi E of Carlotta (Riverside Park) 30 Comment
  UC1197932  Corylus californica Joseph P. Tracy 1923-8-19 6538 Humboldt Lawrence Creek near Kneeland Prairie Comment
  UC1197933  Corylus californica Joseph P. Tracy Jul 16-19 1930 9058 Humboldt South Fork Mountain, along summit near Blake lookout Northern Cosast Ranges 1706 Comment
  UC1197934  Corylus californica J. P. Tracy 1902-4-28 1398 Alameda hills near Berkeley Comment
  UC1197935  Corylus californica J. P. Tracy 1902-2-15 1298 Alameda hills near Berkeley 121 Comment
  UC1197936  Corylus californica Joseph P. Tracy 1949-7-19 18375 Humboldt at Friday Camp 1219 Comment
  UC1197937  Corylus californica Joseph P. Tracy 1946-8-25 17640 Humboldt Table Bluff, foot of N slope along Hookton Road 9 Comment
  UC1206477  Corylus californica Le Roy Abrams 1902-3-16 2271 San Mateo Kings Mountain Comment
  UC1222290  Corylus californica Joseph P. Tracy 1950-7-31 19226 Humboldt about 1 mi N of Friday's Camp (where road crosses side of Friday Ridge) Comment
  UC1222291  Corylus californica Joseph P. Tracy 1951-7-24 19624 Humboldt Blue Slide. on Van Duzen River 91 Comment
  UC1225940  Corylus californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, N slope; along Hookton road 9 Comment
  UC1225941  Corylus californica Joseph P. Tracy 1946-8-25 17641 Humboldt Table Bluff, on Hookton road 9 Comment
  UC1236520  Corylus californica John H. Thomas 1953-6-18 3382 Santa Cruz along Alba Road, about 0.9 mi below Empire Grade 609 Comment
  UC1236521  Corylus californica John H. Thomas 1950-10-1 2456 Santa Cruz along Alba Grade, W of Ben Lomand Comment
  UC127083  Corylus californica Harley P. Chandler Sep 7-14 1906 7156 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1324040  Corylus californica H. W. Marion 1936-9-29 32 Tulare Clough Cave, Woodland Sequoia National Park 1158 Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC144109  Corylus californica J. P. Tracy 1909-7-18 3015 Humboldt Eureka Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC146107  Corylus californica Joseph P. Tracy 1906-6-24 2500 Humboldt Humboldt Hill, S side North Coast Region, region about Humboldt Bay 0 Comment
  UC146110  Corylus californica Joseph P. Tracy 1905-1 2271 Lake Elk Mountain northern Lake County 1219 Comment
  UC146217  Corylus californica Joseph P. Tracy 1906-6-24 2497 Humboldt Humboldt Hill, S side North Coast Region, region about Humboldt Bay 0 Comment
  UC1515752  Corylus californica Baki Kasapligil 1966-8-13 3998 Mendocino McCoy Creek, 8 mi N of Tree House on Hwy 101 220 Comment
  UC1515773  Corylus californica Baki Kasapligil 1968-6-2 4282 Alameda near the foundation walk of old cable line, below Devil's punch hole East Oakland Hills Comment
  UC153856  Corylus californica Geo. Hansen 1893-1 808 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  UC1541307  Corylus californica H. E. and S. T. Parks Jun 1937 24043 Del Norte Darlingtonia, Smith River 137 Comment
  UC1543010  Corylus californica Donald G. Nelson 1939-6-18 623 Alameda along the road on S side of Strawberry Canyon, just W of the boundary of Strawberry Pool Comment
  UC1543011  Corylus californica Donald G. Nelson 1938-3-28 562 Alameda Strawberry Canyon Berkeley Comment
  UC1558316  Corylus californica Harold and Virginia Bailey 1948-7-21 2456 Tulare spring below road near Crystal Cave parking area Sequoia National Park 1524 Comment
  UC1576815  Corylus californica Baki Kasapligil 1974-4-25 4826 Alameda below Merrit College near sulphur mine Oakland Hills 182 Comment
  UC1585410  Corylus californica R. Raiche, K. Zadnik, and H. Forbes Feb 1989 UCBG 36 Siskiyou SW of Little Medicine Mt., Elk Valley, near Del Norte Co. line 1325 Comment
  UC164270  Corylus californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  UC176170  Corylus californica Joseph P. Tracy 1912-3-3 3560 Humboldt on West place, between Eureka and Fields Landing Northern Coast Region 0 Comment
  UC198569 Image available Corylus californica Joseph P. Tracy 1917-9-2 4842 Humboldt Grouse Mountain Northern Coast Ranges; Grouse Mt., Humboldt Co. 1524 Comment
  UC215327  Corylus californica Huron H. Smith 1911-7-7 3933 Humboldt Bull Creek Comment
  UC275558  Corylus californica Joseph P. Tracy 1923-8-19 6537 Humboldt Lawrence Creek near Kneeland Prairie 457 Comment
  UC311542  Corylus californica A. D. E. Elmer Mar 1903 4536 San Mateo Kings Mountain Comment
  UC338471  Corylus californica Lemmon Marin Bidwell's N.Bay, Sausalito hills Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  UC375261  Corylus californica Geo. D. Butler 1908-11-2 1076 Siskiyou Forest House road Comment
  UC403966  Corylus californica H. M. Hall and E. B. Babcock Jun 1903 Shasta Upper Sacramento at Delta Comment
  UC407080  Corylus californica L. R. Abrams 1916-7-7 5854 Mendocino Wolf Creek 425 Comment
  UC478896  Corylus californica Marcus E. Jones 1931-7-6 28849 Mendocino Compche [Comptche?] Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  UC503087  Corylus californica Joseph P. Tracy 1931-8-16 9611 Humboldt near Briceland Northern Coast Ranges 152 Comment
  UC519310  Corylus californica Joseph P. Tracy 1933-4-8 10974 Del Norte 3 mi E of Crescent City 15 Comment
  UC526689  Corylus californica Joseph P. Tracy 1934-7-31 13520 Del Norte 3 mi E of Crescent City Comment
  UC535724  Corylus californica Eleanor Armstrong 1934-8-23 1137 Humboldt Richardson Grove, E slope 121 Comment
  UC5425  Corylus californica F. T. Bioletti 1893-2-20 Marin Mill Valley Comment
  UC5426  Corylus californica J. Burtt Davy Jun 21-23 1893 1125 San Mateo Pilarcitos Lake and Canyon Comment
  UC5427  Corylus californica Edw. L. Greene Jun 1889 Calaveras Calaveras Big Trees Comment
  UC5428  Corylus californica F. P. McLean 1876-1-28 Alameda roadside near U of C Horseshed Comment
  UC5429  Corylus californica Geo. Hansen 1892-1 Amador Amador County Comment
  UC5430  Corylus californica Brewer 1862-3-28 926 Marin Tamalpais Comment
Read comments
Jan 20 2011
  UC5431  Corylus californica W. H. Brewer 1862-3-28 926 Marin Tamalpais, N slope Comment
  UC5432  Corylus californica Michener and Bioletti Mar 1893 Marin Tamalpais Comment
  UC5433  Corylus californica H. P. Chandler 1900-2-7 Alameda Berkeley 152 Comment
  UC54929  Corylus californica P. E. Goddard 1902-4-8 335 Del Norte Smith River Comment
  UC54930  Corylus californica P. E. Goddard 1901-7-6 21 Humboldt Hupa Comment
  UC54931  Corylus californica P. E. Goddard 1901-7-12 73 Humboldt Hupa Comment
  UC55959  Corylus californica Joseph P. Tracy 1901-6-23 1176 Humboldt near Ryan's Slough Hill Eureka, immediate vicinity of 0 Comment
  UC574910  Corylus californica C. Darland 1932-7-23 Tulare below Tokopah Falls Sequoia National Park 2133 Comment
  UC589511  Corylus californica Beryl O. Schreiber 1932-6-17 501 Marin Waterfall Beach Tomales Bay Comment
  UC596728  Corylus californica Rensselaer J. Smith May 1905 Santa Clara Saratoga 182 Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC615000  Corylus californica Beryl O. Schreiber 1936-2-1 2100 Marin near Shell Beach Tomales Bay Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  UC630522  Corylus californica H. E. and S. T. Parks Jun 1937 24043 Del Norte Darlintonia, Smith River 121 Comment
  UC637074  Corylus californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback 1851 Comment
  UC63839  Corylus californica H. M. Hall 1900-2 Alameda U. C. campus Comment
  UC64008  Corylus californica H. M. Hall and H. P. Chandler Jun 15-25 1900 342 Fresno Pine Ridge 1828 Comment
  UC652614  Corylus californica Ira L. Wiggins 1939-6-20 9236 Tuolumne Crane Creek 2 mi NW of Yosemite National Park limits Comment
  UC667997  Corylus californica Joseph P. Tracy 1938-7-6 16027 Humboldt Big Lagoon Prairie 15 Comment
  UC667998  Corylus californica Joseph P. Tracy 1935-7-31 14393 Humboldt Devil's Backbone (Barren rocky ridge connecting Trinity Summit with Salmon Summit 1524 Comment
  UC667999  Corylus californica Joseph P. Tracy 1935-3-8 13730 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC676701  Corylus californica R. Bacigalupi, I. L. Wiggins, and R. S. Ferris Jul 26-28 1941 2645 Tulare along road directly above Camp Nelson, Boulder Creek Sequoia National Forest Comment
  UC685541  Corylus californica Bob Rodin 1943-5-8 185 Alameda on northern ridge W of Botanical Garden, Strawberry Canyon, University of California Campus Berkeley Comment
  UC685618  Corylus californica Bob Rodin 1943-2-19 33 Alameda southern slope W of Botanical Garden, Strawberry Canyon, University of California Campus Berkeley Comment
  UC692035  Corylus californica Mary L. Bowerman 1931-5-23 894 Contra Costa Alamo Canyon Mount Diablo 487 Comment
  UC721987  Corylus californica Roxana S. Ferris and Laura Lorraine 1942-7-17 10682 Tulare about 1/2 mi from Silver City (on road to Mineral King); Sequoia National Forest Comment
  UC746855  Corylus californica G. Thomas Robbins 1943-6-20 1196 El Dorado 4-5 mi NW of Pollock Pines (along road to powerhouse); South Fork American River 914 Comment
  UC754279  Corylus californica Ira L. Wiggins 1948-3-20 11590 Mendocino 10 mi W of Laytonville (along road to Branscom) Comment
  UC762362  Corylus californica Robert F. Hoover 1937-4-28 2005 Alameda Strawberry Canyon Berkeley Hills Comment
  UC770652  Corylus californica R. E. Nelson 1948-7-6 67 Mendocino S of Tow-Gap Road 518 Comment
  UC847679  Corylus californica J. D. Culbertson 1904-9-26 4694 Fresno Millwood Comment
  UC847688  Corylus californica Ira L. Wiggins 1939-6-20 9236 Tuolumne Crane Creek 2 mi NW of Yosemite National Park limits Comment
  UC847705  Corylus californica G. F. Morell 1908-4-25 Santa Clara Black Mountain 121 Comment
  UC847706  Corylus californica L. R. Abrams 1916-7-7 5854 Mendocino Wolf Creek 425 Comment
  UC902052  Corylus californica Joseph P. Tracy 1949-8-7 18435 Humboldt Trinity Summit, near Box Camp 1463 Comment
  UC902053  Corylus californica Joseph P. Tracy 1949-8-11 18486 Humboldt 1 1/2 mi SE of Snow Camp 1341 Comment
  UC902054  Corylus californica Joseph P. Tracy 1949-2-27 18265 Humboldt Kneeland Prairie 762 Comment
  UC917265  Corylus californica J. M. Tucker 1948-7-25 1734 Plumas in vicinity of Cascade Comment
  GH33775  Corylus californica K. T. Hartweg 1960 Unknown Comment
  JEPS58670  Corylus californica Adele Lewis Grant 1916-6-3 801 Tuolumne along stream side near bridge across South Fork Tuolumne River 1066 Comment
  JEPS58674  Corylus californica W. L. Jepson 1903-10-4 2365 Sonoma Russian River, Eagle's Nest Camp Eagle's Nest Camp; Russian River, Eagle's Nest Camp Comment
  JEPS90272  Corylus californica Dean William Taylor 1970-6-7 365 Tulare Kings Canyon National Park, Wortmann Mill Road, along road 14S06 Wortmann Mill Road; Kings Canyon National Park, Wortmann Mill Road 1706 Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  SACT002817  Corylus californica 1925-6-5 Marin No collector/determiner listed. Comment
  SEINET12034006  Corylus californica Graham 1931-1 6814 Alameda Strawberry Canyon,Berkely Hill Comment
  SEINET12034007  Corylus californica E. H. Graham 1931-1 788 Alameda Strawberry Canyon,Berkely Hill Comment
  SEINET12034009  Corylus californica H. W. Graham 1927-1 s.n. Marin along Railroad from Mill Valley to Muir Woods, near San Francisco Comment
  SEINET12034010  Corylus californica W. R. Dudley 1904-1 23 Santa Clara Corte de Madera Canon, Santa Cruz Mtns Comment
  SEINET12034014  Corylus californica Unknown 1962-1 s.n. Unknown Yosemite Nat'l Park 1829 Comment
  UC119285  Corylus californica unknown 1895-8-13 Unknown Sierras of Central California Comment
  UC521559  Corylus californica Lincoln Constance 1931-8-28 446 Alameda NE of Redwood Ridge Comment
  UC72496  Corylus californica Misses Jones and Alexander 1902-6-25 Shasta Spring Camp Comment
  UCSC003040  Corylus californica Unknown 1974-11-13 14 Santa Cruz Growing by gate at end of road in park in a mixed forest. The Forest of Nisene Marks, Aptos Comment
  UCSC003041  Corylus californica Unknown 1974-11-13 14 Santa Cruz Growing by gate at end of road in park in a mixed forest of Madrone % Oak ca. The Forest of Nisene Marks, Aptos Comment
  A401456  Corylus cornuta subsp. californica A. Eastwood 1917-9-2 6643 Unknown Shasta Springs Comment
  A401457  Corylus cornuta subsp. californica A. Eastwood 1918-4-6 6780 Unknown Downieville Comment
  A401458  Corylus cornuta subsp. californica A. Eastwood 1912-6-9 291 Unknown Sausalito Comment
  A401459  Corylus cornuta subsp. californica A. Eastwood 1912-7-15 1093 Unknown McCloud Comment
  A401460  Corylus cornuta subsp. californica A. Eastwood 1923-5-29 12005 Unknown Cantaro Comment
  A401464  Corylus cornuta subsp. californica J. P. Tracy 1935-3-8 13730 Unknown Trinity River Valley, at Willow Creek 152 Comment
  A401465  Corylus cornuta subsp. californica I. L. Wiggins 1939-6-20 9236 Unknown Bank of Crane Creek 2 mi. n.w. of Yosemite Nat. Park limits Comment
  A401467  Corylus cornuta subsp. californica J. G. Jack 1904-8-25 Unknown Crescent City Comment
  A401468  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Unknown Between Shasta Retreat and Shasta Springs Comment
  A401469  Corylus cornuta subsp. californica C. S. Sargent 1894-1-1 Unknown Berkeley Comment
  A401471  Corylus cornuta subsp. californica George Hansen 1893-1-1 808 Unknown Grass Valley 762 Comment
  A401488  Corylus cornuta subsp. californica J. T. Howell 1937-7-23 13352 Unknown South Fork of Salmon River near Big Flat 1524 Comment
  A401489  Corylus cornuta subsp. californica J. P. Tracy 1938-7-6 16027 Unknown Big Lagoon Prairie 15 Comment
  A401490  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Unknown Metcalf's ranch, northeast base of Mt. Eddy 1371 Comment
  A401491  Corylus cornuta subsp. californica H. E. Brown 1897-06-15 - 1897-06-30 444 Unknown North side Mt. Shasta 1524 Comment
  A401493  Corylus cornuta subsp. californica W. R. Dudley 1904-3-7 23 Unknown Corte de Madera Canon, Santa Cruz Mts. Comment
  A401495  Corylus cornuta subsp. californica A. Eastwood 1927-3-26 14185 Unknown near Georgetown Comment
  BFRS269 Image available Corylus cornuta subsp. californica Peter Rubtzoff 1972-9-14 6899 El Dorado Blodgett Forest: Mutton Creek area about 0.15 mile south of County Road (Comp. 370E) Comment
  BLMAR230  Corylus cornuta subsp. californica Jennifer Anthony-Wheeler 1996-9-26 230 Humboldt King range, growing alng Bear creek between Wailaka & Nadelos campgrounds 548 Comment
  BLMAR492  Corylus cornuta subsp. californica Jennifer Wheeler 2009-4-30 492 Humboldt King range, Hidden Valley trail; near overlook Comment
  CAS-BOT-BC169496  Corylus cornuta subsp. californica Geo. Hansen 1893-7-1 808 Amador Grass Valley 914 Comment
  CAS-BOT-BC169497  Corylus cornuta subsp. californica M. S. Jussel 1930-7-27 s.n. Calaveras Camp Baxter, N Fork of Stanislaus River Comment
  CAS-BOT-BC169498  Corylus cornuta subsp. californica W. R. Dudley 1906-8-13 s.n. Calaveras Big Tree Grove Comment
  CAS-BOT-BC169499  Corylus cornuta subsp. californica Alice Eastwood 1925-5-23 12921 Lake Dashiells, Mt. Sanhedrin Comment
  CAS-BOT-BC169500  Corylus cornuta subsp. californica Vern L. Yadon 1970-4-13 s.n. Monterey Along Hall Road near junction with old toll or Elkhorn Road Comment
  CAS-BOT-BC169501  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas woods in vicinity of Cascade Comment
  CAS-BOT-BC169502  Corylus cornuta subsp. californica Henry A. Kloppenburg 1928-5-19 430 Plumas Belden. Plumas Forest 701 Comment
  CAS-BOT-BC169503  Corylus cornuta subsp. californica Lowell Ahart 1969-5-18 s.n. Sierra Scales, 10 miles SE of La Porte 1219 Comment
  CAS-BOT-BC169504  Corylus cornuta subsp. californica Alice Eastwood 1918-4-6 6780 Sierra Downville Comment
  CAS-BOT-BC169506  Corylus cornuta subsp. californica Baki Kasapligil 1964-5-10 3461 Alameda Oakland hills, behind Chabot Observatory, above Mountain Blvd. near the old sulfur mine Comment
  CAS-BOT-BC169508  Corylus cornuta subsp. californica Paul F. Covel 1936-2-26 363 Alameda Oakland Hills Comment
  CAS-BOT-BC169510  Corylus cornuta subsp. californica John Thomas Howell 1925-2-8 751 Alameda Strawberry Canon [canyon], Berkeley Hills Comment
  CAS-BOT-BC169511  Corylus cornuta subsp. californica E. M. Zeile 1919-10-4 s.n. Alameda Berkeley Comment
  CAS-BOT-BC169512  Corylus cornuta subsp. californica F. T. Bioletti 1893-2-10 s.n. Alameda Berkeley Comment
  CAS-BOT-BC169513  Corylus cornuta subsp. californica Frank W. Gould 1940-2-8 865 Contra Costa N side of Grizzly Peak 76 Comment
  CAS-BOT-BC169514  Corylus cornuta subsp. californica H. E. McMinn 1925-1-1 s.n. Contra Costa Lead of San Leandro Creek Comment
  CAS-BOT-BC169515  Corylus cornuta subsp. californica Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  CAS-BOT-BC169516  Corylus cornuta subsp. californica John Thomas Howell 1925-9-19 1456 Contra Costa Moraga Ridge, Oakland Hills Comment
  CAS-BOT-BC169517  Corylus cornuta subsp. californica Barrett Anderson 1987-4-29 3477 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  CAS-BOT-BC169518  Corylus cornuta subsp. californica Alice Eastwood 1907-4-22 206 Del Norte Adams Station Comment
  CAS-BOT-BC169519  Corylus cornuta subsp. californica Alice Eastwood 1923-8-8 12178 Del Norte Gasquet, near Adams Comment
  CAS-BOT-BC169520  Corylus cornuta subsp. californica Joseph P. Tracy 1933-4-8 10974 Del Norte Flats 3 miles E of Crescent City 15 Comment
  CAS-BOT-BC169521  Corylus cornuta subsp. californica Joseph P. Tracy 1934-7-31 13520 Del Norte Low flats 3 miles E of Crescent City 15 Comment
  CAS-BOT-BC169522  Corylus cornuta subsp. californica E. A. McGregor 1921-8-2 s.n. Del Norte 6 miles E (up river) on Teruah Road Comment
  CAS-BOT-BC169523  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-23 833 Del Norte 1 mile S of Crescent City Comment
  CAS-BOT-BC169524  Corylus cornuta subsp. californica W. R. Dudley 1899-7-3 s.n. Del Norte Gasquet Comment
  CAS-BOT-BC169525  Corylus cornuta subsp. californica L. R. Abrams 1922-6-27 8437 Del Norte Smith River, mouth of Mill Creek Comment
  CAS-BOT-BC172835  Corylus cornuta subsp. californica Doris K. Kildale 1929-3-3 6902 Del Norte Old road to Chrome Mine S of Gasquet Comment
  CAS-BOT-BC172836  Corylus cornuta subsp. californica Doris K. Kildale 1929-3-23 6976 Del Norte Smith River Canyon, 5 miles E of Smith River Corners Comment
  CAS-BOT-BC172837  Corylus cornuta subsp. californica G. K. Helmkamp; E. A. Helmkamp 2007-9-2 12885 El Dorado Foothills, northern Sierra Nevada Mountains: Grizzly Flat Road 0.7 mile SE of Grizzly Flat beside a flowing creek 1171 Comment
  CAS-BOT-BC172838  Corylus cornuta subsp. californica Peter Rubtzoff 1975-9-24 s.n. El Dorado Blodgett Forest: Cutoff between Loop and Middle Loop roads ca. 0.25 mi W of Loop Road; forest near road. Comp. 90E. Georgetown Divide Comment
  CAS-BOT-BC172839  Corylus cornuta subsp. californica John Thomas Howell 1969-9-12 46089 El Dorado Near Bridal Veil Falls, 3 miles W of Riverton. Sierra Nevada Comment
  CAS-BOT-BC172840  Corylus cornuta subsp. californica John Thomas Howell; Gordon H. True 1970-5-27 46534 El Dorado near headquarters, Blodgett Experimental Forest. Sierra Nevada 1280 Comment
  CAS-BOT-BC172841  Corylus cornuta subsp. californica John Thomas Howell; Gordon H. True 1970-5-27 46549 El Dorado in Rubicon River Canyon, N-NE of Leonardi Spring. Sierra Nevada 1158 Comment
  CAS-BOT-BC172842  Corylus cornuta subsp. californica Alice Eastwood 1927-3-26 14485 El Dorado near Gerogetown Comment
  CAS-BOT-BC172845  Corylus cornuta subsp. californica E. R. Blakley 1961-7-18 4590 Fresno Camp # 7, 10 miles E of Hume Lake 2087 Comment
  CAS-BOT-BC172846  Corylus cornuta subsp. californica George B. Grant 1902-7-12 s.n. Fresno Cedar Creek Grant Forest 1371 Comment
  CAS-BOT-BC172847  Corylus cornuta subsp. californica W. R. Dudley 1900-10-16 3406 Fresno Converse Basin Comment
  CAS-BOT-BC172848  Corylus cornuta subsp. californica Lewis Allen 1920-8-1 s.n. Fresno Sierra Nevada Comment
  CAS-BOT-BC172849  Corylus cornuta subsp. californica Ynez Whilton Winblad 1941-6-27 s.n. Humboldt Between Eureka and Orick Comment
  CAS-BOT-BC172850  Corylus cornuta subsp. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, windswept N slopes, along Hookton Road 9 Comment
  CAS-BOT-BC180176  Corylus cornuta subsp. californica J. H. Thomas 1956-7-2 6041 Santa Cruz Along Empire Grade about 1 mile from Eagle Rock 609 Comment
  CAS-BOT-BC180177  Corylus cornuta subsp. californica C. Etienne 1970-6-14 420 Santa Cruz 5 mi N of Corralitos 365 Comment
  CAS-BOT-BC180178  Corylus cornuta subsp. californica W. R. Dudley 1909-6-19 s.n. Santa Cruz near Glenwood. Santa Cruz Peninsula Comment
  CAS-BOT-BC180180  Corylus cornuta subsp. californica Julie Kierstead Nelson 2006-5-10 2006 -006 Shasta Brwons Creek & Chanchellula Creek confluence, Forest Road 1, 1 mile SW of Deerlick Springs 975 Comment
  CAS-BOT-BC180181  Corylus cornuta subsp. californica Elmer I. Applegate 1929-6-23 5838 Shasta Near Ingot Comment
  CAS-BOT-BC180182  Corylus cornuta subsp. californica Roxana S. Ferris 1955-7-11 12961 Shasta W slope Hatchet Mt. grade at Hatchet Creek Public Camp off US #299 1188 Comment
  CAS-BOT-BC180184  Corylus cornuta subsp. californica A. A. Heller 1914-8-25 11699 Shasta 15 miles S of Delta on the Pacific Highway Comment
  CAS-BOT-BC180185  Corylus cornuta subsp. californica A. A. Heller 1914-8-25 11699 Shasta 15 miles S of Delta on the Pacific Highway Comment
  CAS-BOT-BC180186  Corylus cornuta subsp. californica Alice Eastwood 1917-9-2 6643 Shasta Shasta Springs Comment
  CAS-BOT-BC180188  Corylus cornuta subsp. californica Peter Rubtzoff 1952-6-9 1188 Sonoma N slope of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC180195  Corylus cornuta subsp. californica Wm. Bridge Cooke 1940-7-12 15308 Siskiyou along creeks near the Box Canyon of the Sacramento River near Mount Shasta 914 Comment
  CAS-BOT-BC180196  Corylus cornuta subsp. californica J. H. Thomas; H. A. Thomas 1954-7-22 4451 Siskiyou Along banks of Bog Bend creek. Salmon - Trinity Mts. About 6 mi SE of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC180198  Corylus cornuta subsp. californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  CAS-BOT-BC180199  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-10 3296 Siskiyou along Indian Creek Road, 18.1 miles NW of Happy Camp, Siskiyou Mountains 1280 Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  CAS-BOT-BC180201  Corylus cornuta subsp. californica Alice Eastwood 1912-9-4 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  CAS-BOT-BC180203  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  CAS-BOT-BC180205  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  CAS-BOT-BC180206  Corylus cornuta subsp. californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback, E-facing slope near summit. Siskiyou-Del Norte County Line 1851 Comment
  CAS-BOT-BC180208  Corylus cornuta subsp. californica Peter H. Raven; R. Snow 1958-7-19 13608 Trinity Hobo Gulch Public Camp, 14.3 miles N of Helena Comment
  CAS-BOT-BC180209  Corylus cornuta subsp. californica Alice Eastwood 1921-7-22 10699 Trinity Forest Glen Comment
  CAS-BOT-BC180210  Corylus cornuta subsp. californica Eugene Carter 1971-7-16 303 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi NW of Weaverville). Hobo Gulch 868 Comment
  CAS-BOT-BC180211  Corylus cornuta subsp. californica P. A. Munz 1951-7-17 16574 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  CAS-BOT-BC180212  Corylus cornuta subsp. californica P. A. Munz 1951-7-17 16574 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  CAS-BOT-BC180213  Corylus cornuta subsp. californica L. B. Kildale 1930-9-1 10464 Trinity Trinity River at Big French Creek Comment
  CAS-BOT-BC180214  Corylus cornuta subsp. californica J. H. Thomas 1949-6-15 934 Trinity About 7 miles N of Weaverville, along trail to Trinity Alps. Trinity National Forest 914 Comment
  CAS-BOT-BC180215  Corylus cornuta subsp. californica J. H. Thomas 1949-6-15 934 Trinity About 7 miles N of Weaverville, along trail to Trinity Alps. Trinity National Forest 914 Comment
  CAS-BOT-BC180216  Corylus cornuta subsp. californica R. Bacigalupi; I. L. Wiggins; R. S. Ferris 1941-7-26 2645 Tulare Along road directly above Camp Nelson, Boulder Creek. Sequoia National Forest Comment
  CAS-BOT-BC180217  Corylus cornuta subsp. californica R. S. Ferris; Laura Lorraine 1942-7-17 10682 Tulare About 1/2 mile from Silver City on road to Mineral King. Sequoia National Forest Comment
  CAS-BOT-BC180218  Corylus cornuta subsp. californica W. R. Dudley 1900-7-1 s.n. Tulare Hollow Log Camp Comment
  CAS-BOT-BC180220  Corylus cornuta subsp. californica Paul Leskinen 1972-8-12 1229 Tulare Blk Mtn Grove. S of Rogers Camp. Southern Sierra Nevada 1981 Comment
  CAS-BOT-BC180221  Corylus cornuta subsp. californica Paul Leskinen 1972-8-10 s.n. Tulare Above Coy Meadow. Southern Sierra Nevada 1524 Comment
  CAS-BOT-BC180222  Corylus cornuta subsp. californica R. S. Woglum 1936-9-20 173 Tulare Above Coy Meadow. Headwaters of Cliff Creek, Sequoia National Park 2438 Comment
  CAS-BOT-BC180223  Corylus cornuta subsp. californica Samuel J. Pusateri 1945-8-1 271 -1 Tulare Crystal Cave Trail Comment
  CAS-BOT-BC180224  Corylus cornuta subsp. californica A. Sanders 1906-7-1 s.n. Tulare Sequoia Comment
  CAS-BOT-BC180225  Corylus cornuta subsp. californica James R. Shevock 1975-8-2 4649 Tulare slopes at the Quaking Aspen pack station. Lloyd Meadows Basin. Kern River Drainage. Sierra Nevada 2133 Comment
  CAS-BOT-BC180226  Corylus cornuta subsp. californica James R. Shevock 1976-7-15 5224 Tulare slopes at along USFS trail 31E14, base of Slate Mountain. Sequoia National Forest. Kern River Drainage. Sierra Nevada 2133 Comment
  CAS-BOT-BC180227  Corylus cornuta subsp. californica James R. Shevock 1976-7-15 5224 Tulare slopes at along USFS trail 31E14, base of Slate Mountain. Sequoia National Forest. Kern River Drainage. Sierra Nevada 2133 Comment
  CAS-BOT-BC180228  Corylus cornuta subsp. californica James R. Shevock 1973-7-11 2909 Tulare along Freeman Creek in the Freeman Redwood Grove, approx. 2 mi W of Pyles Camp, Lloyd Meadows Basin, Sequoia National Forest, Sierra Nevada 1889 Comment
  CAS-BOT-BC180229  Corylus cornuta subsp. californica E. R. Blakley 1962-7-25 5339 Tuolumne Tuolumne Grove & Big Trees. Yosmeite National Park Comment
  CAS-BOT-BC180230  Corylus cornuta subsp. californica John Thomas Howell 1942-7-27 17309 Tulare Cliff Creek between Deer Creek and Pinto Lake 2438 Comment
  CAS-BOT-BC180231  Corylus cornuta subsp. californica Alice Eastwood 1907-8-16 97 Tuolumne Tuolumne Grove & Big Trees. Yosmeite National Park Comment
  CAS-BOT-BC180232  Corylus cornuta subsp. californica Ira L. Wiggins 1972-7-10 21824 Tuolumne Banks of N Fork of Tuolumne River, whitin 400 m of bridge on F.S. road 3N10 1402 Comment
  CAS-BOT-BC180233  Corylus cornuta subsp. californica Ira L. Wiggins 1971-7-10 21674 Tuolumne Steep N-facing slope of N Fork of Tuolumne River, 3 mi E of Long Barn 1402 Comment
  CAS-BOT-BC180234  Corylus cornuta subsp. californica Ira L. Wiggins 1939-6-20 9236 Tuolumne Bank of Crane Creek 2 mi NW of Yosmeite National Park limits Comment
  CAS-BOT-BC180276  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1965-5-15 1110 San Mateo Upper Bitter Cherry Ravine. San Bruno Mountain Comment
  CAS-BOT-BC180277  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo In Bitter Cherry Ravine at the upper part. San Bruno Mountain Comment
  CAS-BOT-BC180278  Corylus cornuta subsp. californica Phillip Wheeler 1965-6-7 s.n. San Mateo Lower Owls Canyon ridge. San Bruno Mountain Comment
  CAS-BOT-BC180279  Corylus cornuta subsp. californica Elizabeth McClintock 1972-3-26 s.n. San Mateo Middle Buckeye Canyon. San Bruno Mountain Comment
  CAS-BOT-BC180280  Corylus cornuta subsp. californica Robert Setzer 1969-3-29 2137 San Mateo Colma Canyon along stream bank. San Bruno Mountain Comment
  CAS-BOT-BC180281  Corylus cornuta subsp. californica Josephine D. Randall 1907-4-27 112 San Mateo Colma King's Mt. Road above Woodside. Santa Cruz Peninsula Comment
  CAS-BOT-BC180283  Corylus cornuta subsp. californica Gwendolan Newell 1914-6-18 s.n. Santa Clara Raymonds Ranch, Los Gatos 426 Comment
  CAS-BOT-BC180287  Corylus cornuta subsp. californica Josephine D. Randall 1907-7-10 111 Santa Clara Stevens Creek Road. Santa Cruz Peninsula 243 Comment
  CAS-BOT-BC180289  Corylus cornuta subsp. californica Lewis S. Rose 1959-6-10 59023 Santa Cruz Mt. Hermon 91 Comment
  CAS-BOT-BC180290  Corylus cornuta subsp. californica Horace Davis 1907-1-1 s.n. Santa Cruz Glenwood Comment
  CAS-BOT-BC180291  Corylus cornuta subsp. californica Ray Collett 1966-4-7 s.n. Santa Cruz University of California, Santa Cruz campus Comment
  CAS-BOT-BC180292  Corylus cornuta subsp. californica W. N. Rich 1912-2-4 s.n. Santa Cruz Swanton. Santa Cruz Peninsula Comment
  CAS-BOT-BC180293  Corylus cornuta subsp. californica J. H. Thomas 1955-3-21 4720 Z Santa Cruz Northern end of Hilton Airport, between airstrip and highway. At SE end of Hilton Airport near creek. 243 Comment
  CAS-BOT-BC180294  Corylus cornuta subsp. californica J. H. Thomas 1950-2-26 1242 Santa Cruz About 1 mile S of Saratoga Gap Comment
  CAS-BOT-BC180295  Corylus cornuta subsp. californica J. H. Thomas 1953-2-4 2775 Santa Cruz Ben Lomond San Hills, near Quail Hollow Road 167 Comment
  CAS-BOT-BC180296  Corylus cornuta subsp. californica J. H. Thomas 1950-10-1 2456 Santa Cruz Along Alba Grade, W of Ben Lomond Comment
  CAS-BOT-BC180297  Corylus cornuta subsp. californica J. H. Thomas 1949-10-9 1126 Santa Cruz Near Highway 9 about 1 mile N of drinking fountain toward Sratoga Summit 457 Comment
  CAS-BOT-BC180298  Corylus cornuta subsp. californica J. H. Thomas 1954-3-5 3748 Santa Cruz Big Basin - Boulder Creek Highway near intersection of Jamison Road 243 Comment
  CAS-BOT-BC180299  Corylus cornuta subsp. californica J. H. Thomas 1950-3-5 1274 Santa Cruz Between Mt. Madona and Watsonville, about 2 miles S of Mt. Madona 304 Comment
  CAS-BOT-BC180300  Corylus cornuta subsp. californica J. H. Thomas 1953-6-18 3382 Santa Cruz Along Alba Road, about 0.9 miles below Empire Grade 609 Comment
  CAS-BOT-BC180301  Corylus cornuta subsp. californica Joseph P. Tracy 1931-8-16 9611 Humboldt near Briceland 152 Comment
  CAS-BOT-BC180302  Corylus cornuta subsp. californica Joseph P. Tracy 1931-8-16 9611 Humboldt near Briceland 152 Comment
  CAS-BOT-BC180303  Corylus cornuta subsp. californica Joseph P. Tracy 1949-8-11 18486 Humboldt near Snow Camp (1 1/2 mi SE) 1341 Comment
  CAS-BOT-BC180304  Corylus cornuta subsp. californica P. C. Everett; E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek, Hwy. 96 from Orleans to Weitchpec 121 Comment
  CAS-BOT-BC180305  Corylus cornuta subsp. californica Carl D. Duncan 1920-9-27 s.n. Humboldt Hoopa Comment
  CAS-BOT-BC180306  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 332 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC180308  Corylus cornuta subsp. californica L. B. Kildale 1930-9-21 10225 Humboldt Bluff Creek trail to Fish Lake Comment
  CAS-BOT-BC180309  Corylus cornuta subsp. californica L. B. Kildale 1928-7-1 5311 Humboldt French Camp in Orick - Martin's Ferry road Comment
  CAS-BOT-BC180311  Corylus cornuta subsp. californica L. B. Kildale 1926-3-26 1647 Humboldt near junction with highway, on old Fortuna road 15 Comment
  CAS-BOT-BC180312  Corylus cornuta subsp. californica L. B. Kildale 1926-8-31 2602 Humboldt Union Mattole, Geo. H. Mineis Ranch Comment
  CAS-BOT-BC180313  Corylus cornuta subsp. californica L. B. Kildale 1926-9-5 2638 Humboldt Lasseck's Peaks - on trail between Canal Goat Camp and Red Peak 1676 Comment
  CAS-BOT-BC180314  Corylus cornuta subsp. californica L. B. Kildale 1927-7-10 3734 Humboldt Gans Prairie - Bold Hills road Comment
  CAS-BOT-BC180315  Corylus cornuta subsp. californica Peter H. Raven; Michael P. Johnson 1967-5-1 21112 Marin Angel Island, on S side of island below Rock Quaryy 60 Comment
  CAS-BOT-BC180316  Corylus cornuta subsp. californica Volney Rattan 1877-2-24 s.n. Marin San Rafael Comment
  CAS-BOT-BC180317  Corylus cornuta subsp. californica F. T. Bioletti 1893-2-20 s.n. Marin Mill Valley Comment
  CAS-BOT-BC180318  Corylus cornuta subsp. californica C. Hart Merriam 1918-9-4 s.n. Marin Lagunitas Comment
  CAS-BOT-BC180319  Corylus cornuta subsp. californica Gordon H. True 1968-7-2 4641 Marin Point Reyes Bird Observatory ca. 3 mi NW of Bolinas at Arroyo Hondo. Road E of PRBO Headquarters 60 Comment
  CAS-BOT-BC180320  Corylus cornuta subsp. californica Gordon H. True 1968-10-18 4726 Marin Point Reyes Bird Observatory ca. 3 mi NW of Bolinas at Arroyo Hondo. Just E of PRBO Headquarters Comment
  CAS-BOT-BC180321  Corylus cornuta subsp. californica Gordon H. True 1977-4-13 8167 Marin Pike Gulch (Galloway Canyon) on western slope of Bolinas Ridge, ca 3 miles N of Stinson Beach. Audubon Canyon Ranch 6 Comment
  CAS-BOT-BC180323  Corylus cornuta subsp. californica Alice Eastwood 1921-8-21 s.n. Marin Phoenix L. Comment
  CAS-BOT-BC180324  Corylus cornuta subsp. californica Alice Eastwood 1915-3-14 s.n. Marin Cataract Gulch Comment
  CAS-BOT-BC180325  Corylus cornuta subsp. californica Alice Eastwood 1912-6-9 291 Marin Sausalito Comment
  CAS-BOT-BC180327  Corylus cornuta subsp. californica George B. Grant 1901-7-4 4340 Mariposa Wawona. Yosemite Valley. Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC180328  Corylus cornuta subsp. californica J. W. Congdon 1892-7-11 s.n. Mariposa Footman Mt. Comment
  CAS-BOT-BC180330  Corylus cornuta subsp. californica Gladys L. Smith 1981-6-11 6635 Mendocino summit ridge Usal Road 5 km N of junction with Rte. 1 305 Comment
  CAS-BOT-BC180331  Corylus cornuta subsp. californica Gladys L. Smith 1979-3-4 5145 Mendocino at Alder Glen Springs, Rte. 128 at 44.8, E of Mt. House 304 Comment
  CAS-BOT-BC180332  Corylus cornuta subsp. californica Gladys L. Smith; Clare R. Wheeler 1979-3-5 5144 Mendocino Masonite Demonstration Site, along Rte. 128 15 Comment
  CAS-BOT-BC180334  Corylus cornuta subsp. californica Clare R. Wheeler 1981-5-19 2154 Mendocino Cold Springs Lookout, Signal Ridge Road, SW of Philo. Common on NW side of Lookout 822 Comment
  CAS-BOT-BC180335  Corylus cornuta subsp. californica Alice Eastwood 1922-6-28 11429 Mendocino Mendocino City Comment
  CAS-BOT-BC180336  Corylus cornuta subsp. californica L. R. Abrams 1916-7-7 5854 Mendocino Wolf Creek 425 Comment
  CAS-BOT-BC180337  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-6 2907 Mendocino on State Highway 128, 6.2 miles NW of US Highway 101 at Cloverdale 320 Comment
  CAS-BOT-BC180339  Corylus cornuta subsp. californica Jas. McMurphy 1903-3-1 59 Mendocino Kaiser District Comment
  CAS-BOT-BC180340  Corylus cornuta subsp. californica Marcus E. Jones 1931-7-6 28849 Mendocino Compche Comment
  CAS-BOT-BC180341  Corylus cornuta subsp. californica Carl D. Duncan 1920-7-15 271 Mendocino Fort Brogg Region, Noyo Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  CAS-BOT-BC180344  Corylus cornuta subsp. californica Elsa G. Ruckert 1960-2-27 11 Napa 6495 Dry Creek Road. Edge of woods SW of the house, 200 yards up on hillside 365 Comment
  CAS-BOT-BC180345  Corylus cornuta subsp. californica D. E. Breedlove 1980-6-27 44785 Napa 2.2 miles W of Calistoga at Highway 128 on road to Santa Rosa Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  CAS-BOT-BC180347  Corylus cornuta subsp. californica Gordon H. True; John Thomas Howell 1971-7-1 6771 Nevada Road between Columbia Hill and Footes Crossing on Middle Yuba River 914 Comment
  CAS-BOT-BC180348  Corylus cornuta subsp. californica Gordon H. True; John Thomas Howell 1971-7-1 6771 Nevada Road between Columbia Hill and Footes Crossing on Middle Yuba River 914 Comment
  CAS-BOT-BC180349  Corylus cornuta subsp. californica Gordon H. True; John Thomas Howell 1965-7-15 2346 Nevada Omega Rd. between Omega Diggings and Diamond Creek 4 mi NE of Skillman Flat (On Highway 20) 1402 Comment
  CAS-BOT-BC180352  Corylus cornuta subsp. californica Peter H. Raven 1954-5-2 6827 San Francisco above Laguna Honda. San Francisco Comment
  CAS-BOT-BC180353  Corylus cornuta subsp. californica Peter H. Raven 1957-7-2 11028 San Francisco S of Stanley Drive, Lake Merced, San Francisco Comment
  CAS-BOT-BC180354  Corylus cornuta subsp. californica Peter Rubtzoff 1956-5-13 2403 San Francisco Upper southern edge of Gully S of Stanley Drive, E of Lake Merced, San Francisco Comment
  CAS-BOT-BC180355  Corylus cornuta subsp. californica Peter Rubtzoff 1957-9-18 3562 San Francisco Steep slope of Laguna Honda. San Francisco Comment
  CAS-BOT-BC180356  Corylus cornuta subsp. californica Peter Rubtzoff 1956-4-24 2297 San Francisco Upper southern edge of Gully S of Standley Drive, E of Lake Merced. San Francisco Comment
  CAS-BOT-BC180357  Corylus cornuta subsp. californica Peter Rubtzoff 1956-4-24 2297 San Francisco Upper southern edge of Gully S of Standley Drive, E of Lake Merced. San Francisco Comment
  CAS-BOT-BC180358  Corylus cornuta subsp. californica Peter Rubtzoff 1957-3-24 3148 San Francisco Upper southern edge of Gully S of Standley Drive, E of Lake Merced. San Francisco Comment
  CAS-BOT-BC180359  Corylus cornuta subsp. californica George Oberlander 1950-2-1 415 San Mateo Sawyer Ridge. San Francisco Watershed Reserve Comment
  CAS-BOT-BC180360  Corylus cornuta subsp. californica W. S. Atkinson 1901-7-3 s.n. San Mateo Pescadero. Santa Cruz Peninsula Comment
  CAS-BOT-BC180361  Corylus cornuta subsp. californica Josephine D. Randall 1907-6-8 113 San Mateo Portola Road. Santa Cruz Peninsula Comment
  CAS-BOT-BC180362  Corylus cornuta subsp. californica Le Roy Abrams 1902-3-6 2271 San Mateo Kings Mountain Comment
  CAS-BOT-BC180364  Corylus cornuta subsp. californica W. R. Dudley 1903-7-10 23 San Mateo Corte de Madera Canon [canyon], Santa Cruz Mts., Santa Cruz Peninsula Comment
  CAS-BOT-BC180365  Corylus cornuta subsp. californica W. R. Dudley 1898-3-5 s.n. San Mateo King's Mt., Santa Cruz Peninsula Comment
  CAS-BOT-BC180366  Corylus cornuta subsp. californica W. R. Dudley 1895-2-12 s.n. San Mateo By big redwood S of Hooper Place, upper San Francisquito Creek. Santa Cruz Peninsula Comment
  CAS-BOT-BC180367  Corylus cornuta subsp. californica A. D. E. Elmer 1903-3-1 4536 San Mateo King's Mountain Comment
  CAS-BOT-BC180368  Corylus cornuta subsp. californica A. D. E. Elmer 1903-3-1 4536 San Mateo King's Mountain Comment
  CAS-BOT-BC180369  Corylus cornuta subsp. californica David D. Keck 1932-2-12 1362 San Mateo La Honda road, E slope of Coast Range above Searsville Lake 304 Comment
  CAS-BOT-BC180370  Corylus cornuta subsp. californica Ira L. Wiggins 1925-4-1 1649 San Mateo On Kings Mountain Road 3/4 of a mile above Woodside Comment
  CAS-BOT-BC180371  Corylus cornuta subsp. californica Ira L. Wiggins 1929-3-23 3373 San Mateo Road to Mud Lake, near Stanford University Comment
  CAS-BOT-BC180372  Corylus cornuta subsp. californica Baki Kasapligil 1967-7-18 4171 San Mateo Colma Canyon, San Bruno Mt. Exp. NW 100 Comment
  CAS-BOT-BC180373  Corylus cornuta subsp. californica Margaret A. Barry 1937-6-15 199 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC180375  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-9-2 61 San Mateo On Mouth of Colma Canyon. San Bruno Mountain Comment
  CAS-BOT-BC183352  Corylus cornuta subsp. californica James R. Shevock 1983-7-26 10591 Fresno Kings River drainage. Pine Ridge along forest road 12S19, below Delilah lookout tower 1463 Comment
  GH401452  Corylus cornuta subsp. californica L. S. Rose 1959-6-10 59023 Unknown Mt. Hermon 91 Comment
  GH401453  Corylus cornuta subsp. californica B. Bartholomew, B. Anderson, H. W. Li & T. S. Ying 1985-6-3 2260 Unknown 9.2 km N of Willits on Sherwood Road Comment
  GH401454  Corylus cornuta subsp. californica P. H. Raven & R. Snow 1958-7-19 13608 Unknown Hobo Gulch Public Camp, 14.3 miles north of Helena Comment
  GH401462  Corylus cornuta subsp. californica George Hansen 1893-1-1 808 Unknown Grass Valley 762 Comment
  GH401463  Corylus cornuta subsp. californica W. R. Dudley 1903-1-1 23 Unknown Corte de Madera Canon, Santa Cruz Mts. Comment
  GH401466  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Unknown Metcalf's ranch, northeast base of Mt. Eddy 1371 Comment
  GH401473  Corylus cornuta subsp. californica F. W. Gould 1940-2-8 865 Unknown North side of Grizzly Peak 289 Comment
  GH401477  Corylus cornuta subsp. californica W. B. Cooke 1940-7-12 15308 Unknown along creeks near the Box Canyon of the Sacramento near Mt. Shasta City Comment
  GH401479  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Unknown Between Shasta Retreat and Shasta Springs Comment
  GH401481  Corylus cornuta subsp. californica A. Eastwood 1914-3-29 618 Unknown Sisson Comment
  GH401482  Corylus cornuta subsp. californica F. W. Hunnewell 1921-7-22 7662 Unknown Oakland Comment
  GH401483  Corylus cornuta subsp. californica A. A. Heller 1914-8-25 11699 Unknown 15 miles south of Delta on the Pacific Highway Comment
  GH401484  Corylus cornuta subsp. californica W. L. Jepson 1913-06-01 - 1913-07-01 5622 Unknown Berkeley Comment
  GH401485  Corylus cornuta subsp. californica L. Abrams 1902-3-16 2271 Unknown King's Mountain Comment
  GH401486  Corylus cornuta subsp. californica John Torrey 1865-1-1 492 Unknown New Almaden Comment
  GH401487  Corylus cornuta subsp. californica J. H. Thomas 1959-4-5 7668 Unknown Jasper Ridge, about 5 miles southwest of Palo Alto 91 Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC19274  Corylus cornuta subsp. californica J. O. Sawyer 1968-6-18 235 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC23909  Corylus cornuta subsp. californica Mary Katherine Wicksten 1971-6-17 81 San Mateo Huddart Park above Oak Flat Comment
  HSC27598  Corylus cornuta subsp. californica Carl W. Mize 1972-6-10 56 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  HSC29344  Corylus cornuta subsp. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake outlet spillway 1951 Comment
  HSC31123  Corylus cornuta subsp. californica J. O. Sawyer 1970-6-24 2260 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  HSC31544  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC3474  Corylus cornuta subsp. californica L. D. Napier 1962-5-13 1 Trinity 3 mi. S of Weaverville near Hwy. 299 579 Comment
  HSC3475  Corylus cornuta subsp. californica R. G. Means 1962-7-18 95 Calaveras Big Trees State Park 2317 Comment
  HSC3476  Corylus cornuta subsp. californica C. B. Wolf 1927-2-26 223 San Mateo On the La Honda Grade Comment
  HSC3477  Corylus cornuta subsp. californica Curt M. Johnson 1966-3-11 117 Humboldt Along Bull Creek Rd. 6 mi. W of Weott 140 Comment
  HSC3480  Corylus cornuta subsp. californica D. E. Anderson 1962-3-17 1939 Humboldt Comment
  HSC35121  Corylus cornuta subsp. californica A. M. Montalvo 1975-5-17 261 Trinity Mt. Diablo Meridian, Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak 825 Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  HSC36742  Corylus cornuta subsp. californica Brent Whitely 1975-7-5 144 Siskiyou 213 Comment
  HSC36862  Corylus cornuta subsp. californica Gary S. Lester 1975-5-18 711 Mendocino Elder Creek Bottoms, from mouth to 1.0 mi. upstream 427 Comment
  HSC37416  Corylus cornuta subsp. californica Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 509 Humboldt Along Lost Man Creek. 38 Comment
  HSC40987  Corylus cornuta subsp. californica Thomas W. Nelson, Jane P. Nelson 1977-7-1 3561 Humboldt Along fork of Blanket Creek 1463 Comment
  HSC41319  Corylus cornuta subsp. californica Brad Klipfel 1974-9-2 528 Humboldt Horse Mtn. Comment
  HSC41356  Corylus cornuta subsp. californica Brad Klipfel 1974-8-2 505 Humboldt Horse Mtn. Comment
  HSC41971  Corylus cornuta subsp. californica Ed Cope 1977-5-21 97 Trinity Eagle Creek Campground 851 Comment
  HSC42000  Corylus cornuta subsp. californica Ed Cope 1977-7-17 81 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC4750  Corylus cornuta subsp. californica William J. Ferlatte 1966-8-23 459 Trinity Boulder Creek Basin, tributary to Canyon Creek. 1707 Comment
  HSC51153  Corylus cornuta subsp. californica G. L. Clifton 1979-7-17 8002 Trinity Near Bailey Canyon Campground, close to town of Mad River 853 Comment
  HSC51890  Corylus cornuta subsp. californica Overton, Butler 1979-6-14 4944 Del Norte Near Horse Flat, close to the town of Gasquet. 290 Comment
  HSC51907  Corylus cornuta subsp. californica Overton, Butler 1979-6-15 4978 Del Norte Near Big Flat Guard Station, close to the town of Gasquet 213 Comment
  HSC52025  Corylus cornuta subsp. californica Overton, Butler 1979-6-19 5238 Del Norte Near Bear Basin, close to the town of Gasquet 1292 Comment
  HSC56470  Corylus cornuta subsp. californica Griswold, Butler 1979-7-12 7298 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC56583  Corylus cornuta subsp. californica G. L. Clifton 1979-7-16 7907 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  HSC56656  Corylus cornuta subsp. californica Walter Overton 1979-7-17 8134 Trinity Near S Fork Mtn., close to the town of Mad River. 1390 Comment
  HSC56668  Corylus cornuta subsp. californica Walter Overton 1979-7-17 8180 Trinity Near Horse Ridge, close to the town of Mad River 1356 Comment
  HSC56731  Corylus cornuta subsp. californica Gilbert Muth 1979-7-18 8364 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  HSC56739  Corylus cornuta subsp. californica Gilbert Muth 1979-7-18 8399 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  HSC56745  Corylus cornuta subsp. californica G. L. Clifton, Butler 1979-7-18 8409 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC56833  Corylus cornuta subsp. californica G. L. Clifton 1979-7-19 8634 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  HSC56905  Corylus cornuta subsp. californica G. L. Clifton, Butler 1979-7-29 9225 Del Norte Near Boundry Trail, close to the town of Orleans 1463 Comment
  HSC56977  Corylus cornuta subsp. californica Overton, Butler 1979-7-23 9512 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC57032  Corylus cornuta subsp. californica Overton, Butler 1979-7-24 9663 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57139  Corylus cornuta subsp. californica Overton, Butler 1979-7-25 9919 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  HSC57592  Corylus cornuta subsp. californica G. L. Clifton, Butler 1979-7-29 10617 Del Norte Near Boundry Trail, close to the town of Orleans 1463 Comment
  HSC58193  Corylus cornuta subsp. californica G. L. Clifton, Griswold 1979-8-2 12290 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC58224  Corylus cornuta subsp. californica Walter Overton 1979-8-1 12367 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC58352  Corylus cornuta subsp. californica Overton, Butler 1979-8-2 12690 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC59263  Corylus cornuta subsp. californica Rick Lundquist 1979-5-12 67 Trinity 2.5 mi. S on the S fork of Deerlick Springs Rd., along Brown's Creek 610 Comment
  HSC64211  Corylus cornuta subsp. californica J. O. Sawyer, Thomas W. Nelson 1978-6-9 3190 Trinity Trail to Red Mtn. 1220 Comment
Read comments
Feb 19 2013
  HSC65059  Corylus cornuta subsp. californica J. P. Smith, Steve Selva 1970-6-30 4259 Del Norte French Hill Rd., 21.6 mi. from junction with Hwy. 199 Comment
  HSC65072  Corylus cornuta subsp. californica J. P. Smith, Steve Selva 1970-6-14 3856 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC65129  Corylus cornuta subsp. californica J. P. Smith, J. O. Sawyer 1973-4-15 6107 Trinity Bridge Camp along Stewart Fork 945 Comment
  HSC65255  Corylus cornuta subsp. californica J. P. Smith, J. O. Sawyer 1973-4-30 6363 Trinity 0.5 mi. E of the Indian Creek Bridge on Hwy. 299 Comment
  HSC65933  Corylus cornuta subsp. californica Cathy Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh 1980-5-3 67 Trinity Philpot Creek Campground 808 Comment
  HSC66121  Corylus cornuta subsp. californica J. P. Smith 1975-5-17 8133 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC66521  Corylus cornuta subsp. californica Melany Seacat, Deni Seymour 1979-4-13 3 Mendocino Big River Estuary, S side of river 4.75 mi. upriver 0 Comment
  HSC70453  Corylus cornuta subsp. californica Gail Newton 1980-7-20 1642 Humboldt Near Bell Swamps 1426 Comment
  HSC72597  Corylus cornuta subsp. californica Gail Newton 1980-7-1 754 Trinity Near Hayden Roughs. 1250 Comment
  HSC74944  Corylus cornuta subsp. californica J. P. Smith, Thomas W. Nelson 1979-6-24 10165 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1311 Comment
  HSC75053  Corylus cornuta subsp. californica J. P. Smith, Thomas W. Nelson 1978-7-22 10056 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  HSC76056  Corylus cornuta subsp. californica Overton, Butler 1979-8-2 12590 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC76276  Corylus cornuta subsp. californica Teresa Prendusi 1981-7-24 468 Humboldt Near Whiteys Peak 1585 Comment
  HSC86156  Corylus cornuta subsp. californica Gladys L. Smith 1979-3-4 5115 Mendocino Alder Glen Springs, Hwy. 128 at milepost 44.8, E of Mt. House 305 Comment
Read comments
Jun 5 2013
  HSC93280  Corylus cornuta subsp. californica F. Bowcutt 1989-5-18 1198 Mendocino S of Four Corners Rd. 401, 0.6 mi. at the 24:50 milepost, 13 mi. (air) SW of Garberville, E of Pacific Ocean 1.0 mi. (air) 463 Comment
  HSC93402  Corylus cornuta subsp. californica F. Bowcutt 1992-7-20 1552 Mendocino 70 air mi. SSE of Eureka, 20 air mi. S of Garberville, old town site of Usal, Hotel Gulch 0.25 mi. W of junction of Usal Rd. and Hotel Gulch Rd. 6 Comment
  HSC95923  Corylus cornuta subsp. californica Will Ferrand 2001-6-17 14 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  JROH1331  Corylus cornuta subsp. californica John H. Thomas 1959-4-5 7668 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1332  Corylus cornuta subsp. californica John H. Thomas 1959-4-5 7668 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1333  Corylus cornuta subsp. californica John H. Thomas 1974-5-3 17246 San Mateo Jasper Ridge Biological Preserve, Stanford University; in redwood area below dam Comment
  JROH1334  Corylus cornuta subsp. californica John H. Thomas 1974-5-3 17246 San Mateo Jasper Ridge Biological Preserve, Stanford University; in redwood area below dam Comment
  JROH1335  Corylus cornuta subsp. californica John H. Thomas 1976-10-16 18430 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  JROH1336  Corylus cornuta subsp. californica John Hunter Thomas 1981-2-14 20228 San Mateo Jasper Ridge Biological Preserve, Stanford University; redwood area below dam Comment
  LA204122  Corylus cornuta subsp. californica D. Keck; 1932-2-12 1362 San Mateo Santa Cruz Mountains, La Honda road, E-slope of Coast Range above Searsville Lake 300.0 Comment
  LA204123  Corylus cornuta subsp. californica Mary V. Hood; 1946-8-2 46- 49 k* Madera Yosemite National Park, trail to Biledo Meadow 2103 Comment
  LA204124  Corylus cornuta subsp. californica Mary V. Hood; 1945-7-24 sn Tulare Sequoia National Park, High Sierra trail 2133 Comment
  LA204125  Corylus cornuta subsp. californica C. Darland; 1932-7-23 sn Tulare Sequoia National Park, below Tokopah Falls 2133 Comment
  OBI20563  Corylus cornuta subsp. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Along Hookton Rd Comment
  OBI36371  Corylus cornuta subsp. californica David J. Keil 1983-7-1 17269 Humboldt Ca. 13 mi W of jctn US 101 along Bull Crk Flats Rd Comment
  OBI36662  Corylus cornuta subsp. californica David J. Keil 1983-7-2 17312 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll Rd below Horse Mtn Summit Rd Comment
  OBI47469  Corylus cornuta subsp. californica Deanna L. B. Montgomery, Belinda O'Bryan, Leslie Starritt 1986-8-3 47 Tulare Mtn Home State forest, ca 22 mi NE of Springville on jctn 9 1768 Comment
  OBI60753  Corylus cornuta subsp. californica David J. Keil 1986-8-2 19706 Tulare NE of Springville in Mtn Home state forest. Methuselah Group campground to vicinity of Dogwood Meadow 2000 Comment
  OBI64207  Corylus cornuta subsp. californica Margaret Przybylski, Kelly Fong 2003-11-22 38 Alameda The Oakland Zoo, lower park 61 Comment
  PGM2500  Corylus cornuta subsp. californica Vern Yadon 1982-6-24 Monterey Northern Monterey County, Elkhorn Rd, Fish and Game Sanctuary Hdq Comment
  RSA481443  Corylus cornuta subsp. californica F. R. Fosberg 1931-6-4 S 5237 Santa Cruz Near Glenwood. Santa Cruz Mts. Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  SBBG1286  Corylus cornuta subsp. californica H. and M. Dearing 1951-5-31 6919 Mariposa Merced Grove Comment
  SBBG12926  Corylus cornuta subsp. californica E. R. Blakley 1962-7-18 4590 Fresno Camp 7, 10 mi E of Hume Lake 2087 Comment
  SBBG13853  Corylus cornuta subsp. californica E. R. Blakley 1962-7-25 5339 Tulare Tokopah Falls of the Marble Fk of Kaweah River 2087 Comment
  SBBG50285  Corylus cornuta subsp. californica J. T. Howell, G. H. True 1970-5-27 El Dorado Rubicon River Cyn, NNE of Leonardi Spring 1158 Comment
  SBBG58030  Corylus cornuta subsp. californica R. Hartwell 1938-8-4 Humboldt Bull Crk Flat, hillside opposite the store Comment
  SBBG58031  Corylus cornuta subsp. californica R. Hoffmann 1930-7-16 Santa Clara near Los Gatos Comment
  SBBG83423  Corylus cornuta subsp. californica B. Kasapligil 1964-3-29 3455 Santa Clara St Hwy 17, 11 mi N of Santa Cruz 91 Comment
  SEINET3105180  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  SFV16941  Corylus cornuta subsp. californica J. N. Hogue 1980-9-6 83 .7 Butte Sierra Nevada Toadtown, 4 miles west of Stirling City, along Little Butte Creek. 915 Comment
  SFV6533  Corylus cornuta subsp. californica T. Gordon, L. R. Ballou, K. A. Wilson, D. E. Bianchi 1974-6-6 261 Tulare Sierra Nevada Cedar Slope. Banks of South Fork of the Middle Fork of the Tule River. 1646 Comment
  SJSU10538  Corylus cornuta subsp. californica C. L. Kline 1965-7-20 233 Calaveras Calaveras Big Tree State Park 1463 Comment
  SJSU10540  Corylus cornuta subsp. californica B. D. Self 1978-10-20 Santa Cruz Las Cumbres Rs 0.5 mi W of Skyline Blvd 609 Comment
  SJSU281  Corylus cornuta subsp. californica H. W. Marion 1936-3-8 San Mateo 1 mi NE of Searsville L Comment
  SJSU942  Corylus cornuta subsp. californica W. M. Bybee 1948-1-19 Santa Clara Holy City, W slope Santa Cruz Mts Comment
  UC1717661  Corylus cornuta subsp. californica Baki Kasapligil 1964-5-10 3461 Alameda Oakland hills, behind Chabot Observatory, above Mountain Blvd. near the old sulfur mine. Comment
  UCD110053  Corylus cornuta subsp. californica B. Crampton 1957-6-18 4235 El Dorado Above Empire Creek ca. 1 mile southwest Georgetown. Comment
  UCD110054  Corylus cornuta subsp. californica Roman Gankin 1965-8-8 571 Del Norte On French Hill Road, 0.5 mile south of junction with U.S. Highway 199, south of Gasquet. Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UCD110058  Corylus cornuta subsp. californica Collector unknown 1925-6-6 1452 Marin location unknown. Comment
  UCD110059  Corylus cornuta subsp. californica Frederica Bowcutt 1989-7-11 1496 Mendocino Sinkyone Wilderness State Park. 70 air miles SSE of Eureka, 20 air miles S of Garberville . About 0.5 miles NW of old town site of Usal. In Hotel Gulch on W slope along Lost Coast Trail. 33 Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UCD110061  Corylus cornuta subsp. californica Bob Carr 1966-4-3 139 Santa Cruz 4 miles northeast of Soquel. Comment
  UCD110062  Corylus cornuta subsp. californica B. Crampton 1956-8-21 3848 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with the Middle and South Forks. 1066 Comment
  UCD110063  Corylus cornuta subsp. californica Joseph M. DiTomaso 1975-8-6 239 Trinity 0.25 mile east of Emerald Lake on Stuarts Fork Trail. Comment
  UCD110065  Corylus cornuta subsp. californica K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD110066  Corylus cornuta subsp. californica Roman Gankin 1965-8-8 571 Del Norte On French Hill Road, 0.5 mile south of junction with U.S. Highway 199, south of Gasquet. Comment
  UCD110067  Corylus cornuta subsp. californica Morris Halperin 1931-9-10 s.n. Alameda South bank of creek. Near Engineer's Bridge. Strawberry Canyon, Berkeley. Comment
  UCD110068  Corylus cornuta subsp. californica Morris Halperin 1931-9-10 s.n. Alameda South bank of creek. Near Engineer's Bridge. Strawberry Canyon, Berkeley. Comment
  UCD110069  Corylus cornuta subsp. californica L. E. Hazeltine 1916-7-16 s.n. Butte Appleton. Comment
  UCD110070  Corylus cornuta subsp. californica Mary M. Hektner 1974-7-8 139 Sonoma Between State Highway 1 and Pacific Reach Road; Unit 24 Owners' Map, Sea Ranch. Comment
  UCD110071  Corylus cornuta subsp. californica John Thomas Howell; Gordon H. True 1970-5-27 46549 El Dorado Rubicon River Canyon, N-NE. of Leonardi Spring. 1158 Comment
  UCD110074  Corylus cornuta subsp. californica Baki Kasapligil 1964-3-29 3455 Santa Cruz Santa Cruz Mt. Highway 17, 11 miles N. of Santa Cruz. 300 Comment
  UCD110075  Corylus cornuta subsp. californica Baki Kasapligil 1964-3-29 3456 Santa Cruz Santa Cruz Mt. Highway 17, Trinity Mission way side chapel, 8 miles south of Los Gatos. 570 Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  UCD110078  Corylus cornuta subsp. californica Baki Kasapligil 1965-7-11 3923 Marin Woodacre near water sterilization plant. Comment
  UCD110079  Corylus cornuta subsp. californica Baki Kasapligil 1967-7-18 4171 San Mateo Colma Canyon, San Bruno Mt. 30 Comment
  UCD110080  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UCD110081  Corylus cornuta subsp. californica J. I. Mallory 1968-7-16 315 Tulare 1.25 miles southwest of Mountain Home State Forest Headquarters, Sequoia National Forest. 1609 Comment
  UCD110082  Corylus cornuta subsp. californica K. M. Meyer; A. Townesmith 2007-9-22 236 Madera Sierra National Forest, 1.0 mi. on Forest Service Rd. 6S10X, off Rd. 10. Along Willow Creek. 1876 Comment
  UCD110083  Corylus cornuta subsp. californica M. Risling 1975-2-15 s.n. Humboldt ca. 3 miles from Hwy 96, along Tish Tang Road. Comment
  UCD110084  Corylus cornuta subsp. californica Bob Rodin 1943-2-19 33 Alameda Strawberry Canyon, University of California Campus, Berkeley. Southern slope west of Botanical Garden. Comment
  UCD110085  Corylus cornuta subsp. californica Bob Rodin 1943-5-8 185 Alameda Strawberry Canyon, University of California Campus, Berkeley. On northern ridge west of Botanical Garden. Comment
  UCD110086  Corylus cornuta subsp. californica Robert L. Rudd 1947-3-18 15 Alameda Strawberry Canyon. Comment
  UCD110087  Corylus cornuta subsp. californica D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  UCD110088  Corylus cornuta subsp. californica D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-6 s.n. Marin Bolinas-Fairfax. Riparian forests in San Anselmo Creek. 300 Comment
  UCD110089  Corylus cornuta subsp. californica J. Street 1950-6-24 s.n. Humboldt Honeydew. Comment
  UCD110090  Corylus cornuta subsp. californica M. Swensen 1947-10-3 6 Mendocino 2 miles west-northwest of Garrett Mountain on Middle Mountain, Mendocino National Forest. 944 Comment
  UCD110091  Corylus cornuta subsp. californica Gordon H. True; John Thomas Howell 1971-7-1 6771 Nevada Road between Columbia Hill and Footes Crossing on Middle Yuba River. 792 Comment
  UCD110092  Corylus cornuta subsp. californica J. M. Tucker 1948-7-25 1734 Plumas Woods in vicinity of Cascade. Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  UCD121194  Corylus cornuta subsp. californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7365 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UCD124140  Corylus cornuta subsp. californica Ellen Dean; Davis Botanical Society members 2012-10-13 7514 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD128721  Corylus cornuta subsp. californica Bryan Drew 2003-10-4 s.n. Fresno Sierra National Forest, Teakettle Experimental Forest. Near large boulder N of cabin. Comment
  UCD143491  Corylus cornuta subsp. californica Oren Pollak 1987-4-27 s.n. Mendocino Jug Handle State Park. Comment
  UCD149404  Corylus cornuta subsp. californica Collector Unknown 1925-6-5 s.n. Marin Marin County. 256 Comment
  UCD19896  Corylus cornuta subsp. californica C. H. Lamoureux; R. Gankin 1957-3-24 1176 El Dorado Near R. Gankin's cabin, 1 mile west of Pacific House, along Hwy 50. Comment
  UCD22725  Corylus cornuta subsp. californica Mark Streig 1976-5-2 8 Santa Cruz Corralitos, 1 mile north on Browns Valley Rd. 121 Comment
  UCD23625  Corylus cornuta subsp. californica Rodney Gale Myatt 1971-9-21 1131 Trinity Burnt Ranch. Along side Hwy 299, about 20 mi. east of the town of Willow Creek. 426 Comment
  UCD40021  Corylus cornuta subsp. californica Rodney Gale Myatt 1971-9-16 1331 Lake Just above Potter Valley, west of Lake Pillsbury. 609 Comment
  UCD40162  Corylus cornuta subsp. californica Rodney Gale Myatt 1972-6-1 1676 Nevada North of Hwy 20, about 20 mi. east of Nevada City, near community of Washington. 792 Comment
  UCD40329  Corylus cornuta subsp. californica Rodney Gale Myatt 1970-8-19 516 Mendocino Near town of Hopland. 182 Comment
  UCD40400  Corylus cornuta subsp. californica Rodney Gale Myatt 1971-6-13 722 Butte 1 mi. north of Inskip. Skyway Road, north of Paradise. Road between Butte Meadows and Magala. Comment
  UCSB15942  Corylus cornuta subsp. californica 1962-6-6 Mendocino On State Highway 128, 6.2 miles northwest of U.S. Highway 101 at Cloverdale 320 Comment
  UCSB26567  Corylus cornuta subsp. californica Havlik, Neil 1969-5-18 Santa Cruz Along the Bonny Doon-Davenport Road, west of Bonny Doon Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  UCSB6972  Corylus cornuta subsp. californica Sawyer, ; Rutter, 1935-10-19 Mariposa 1 1/4 mi. N.E. of Alder Creek Ranger Station, Yosemite; Sec. 15 T. 4S R. 21E 1645 Comment
  UCSC007482  Corylus cornuta subsp. californica Jordan Rainbow 2011-5-4 16 Santa Cruz Santa Cruz, UCSC campus. Entrance to Upper Campus on Red Hill Road, just past gate. 250 Comment
  UCSC008047  Corylus cornuta subsp. californica Unknown 2013-5-2 YU 7 Santa Cruz Santa Cruz, 400 m SW of the Upper Quarry, 200 m N of the Great Meadow 207 Comment
  A401455  Corylus cornuta subsp. californica A. Eastwood 1921-7-22 10699 Unknown Forest Glen, Trinity National Forest Comment
  A401470  Corylus cornuta subsp. californica George Hansen 1896-8-27 808 Unknown Comment
  A401472  Corylus cornuta subsp. californica W. M. Canby 1895-8-13 Unknown Sierras of Central California Comment
  A401492  Corylus cornuta subsp. californica A. A. Heller 1914-8-25 11699 Unknown Firteen[sic] milea[sic] south of Delta on the Pacific highway Comment
  A401494  Corylus cornuta subsp. californica J. G. Jack 1907-8-2 Unknown Shinn's Camp, Sierras 1767 Comment
  CAS-BOT-BC169495  Corylus cornuta subsp. californica unspecified 1901-1-27 s.n. Unknown Unspecified. Mt. side W of Preston Place Comment
  CAS-BOT-BC169505  Corylus cornuta subsp. californica Baki Kasapligil 1963-7-21 3432 Alameda Mills College, S end of Lake Aliso Comment
  CAS-BOT-BC169507  Corylus cornuta subsp. californica Baki Kasapligil 1964-3-15 3454 Alameda Oakland hills, behind Chabot Observatory, above Mountain Blvd. near the old sulfur mine Comment
  CAS-BOT-BC169509  Corylus cornuta subsp. californica M. E. Roeding 1919-1-1 s.n. Alameda Above Lake Aliso Comment
  CAS-BOT-BC172843  Corylus cornuta subsp. californica Beauchamp 1979-8-16 60364 Fresno W slope of Sierra Nevada 1615 Comment
  CAS-BOT-BC172844  Corylus cornuta subsp. californica Carl B. Wolf 1929-5-5 3673 Fresno W slope of Sierra Nevada 1615 Comment
  CAS-BOT-BC180179  Corylus cornuta subsp. californica B. D. Stark 1929-7-17 1372 Santa Cruz Afton Acres Comment
  CAS-BOT-BC180183  Corylus cornuta subsp. californica E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  CAS-BOT-BC180187  Corylus cornuta subsp. californica William A. Dayton 1913-6-21 319 Shasta Sweetbrier Creek range, near repro. study. Shasta Forest 975 Comment
  CAS-BOT-BC180207  Corylus cornuta subsp. californica Carl B. Wolf 1937-8-12 9193 Trinity Little N Coast Range, S Fork Mt., Cold Spring Lookout 1645 Comment
  CAS-BOT-BC180219  Corylus cornuta subsp. californica Charlotte M. Hoak 1933-8-3 s.n. Tulare Coal Canyon, Sequoia National Park Comment
  CAS-BOT-BC180282  Corylus cornuta subsp. californica Baki Kasapligil 1964-3-29 3456 Santa Clara Santa Cruz Mt., ca 570 m HIghway 17, 8 miles S of Los Gatos. Trinity Mission Wayside Chapel Comment
  CAS-BOT-BC180284  Corylus cornuta subsp. californica W. R. Dudley 1901-1-19 s.n. Santa Clara Coal Mine Canon [canyon], above Judge Allen's near Stanford University. Santa Cruz Peninsula Comment
  CAS-BOT-BC180285  Corylus cornuta subsp. californica Gertrude Anthony 1904-3-23 s.n. Santa Clara Foothill formation New Grade Road Comment
  CAS-BOT-BC180286  Corylus cornuta subsp. californica C. F. Leithold 1894-8-13 s.n. Santa Clara Devil's Canon [canyon] near Black Mt. Santa Cruz Peninsula Comment
  CAS-BOT-BC180288  Corylus cornuta subsp. californica Lewis S. Rose 1959-6-10 59023 Santa Cruz Mt. Hermon 91 Comment
  CAS-BOT-BC180307  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 346 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC180310  Corylus cornuta subsp. californica L. B. Kildale 1928-2-19 4275 Humboldt 2 miles N of Redwood lighway Comment
  CAS-BOT-BC180322  Corylus cornuta subsp. californica Javier Penalosa 1962-3-31 2286 Marin Ridge over the longer of the Peninsula RR tunnels. NW slope. Tiburon Peninsula Comment
  CAS-BOT-BC180326  Corylus cornuta subsp. californica Mrs. E. C. Suttiffe 1921-6-25 s.n. Marin unspecified Comment
  CAS-BOT-BC180329  Corylus cornuta subsp. californica John Thomas Howell 1924-5-11 306 Mariposa Foot of Lightning Trail to Big Tree, Wawona 1219 Comment
  CAS-BOT-BC180333  Corylus cornuta subsp. californica Gladys L. Smith; Clare R. Wheeler 1979-2-6 5071 Mendocino Route 128, 40 miles W of Mountain Home on short turnoff at Old Wending Road 60 Comment
  CAS-BOT-BC180338  Corylus cornuta subsp. californica Ira L. Wiggins 1948-3-20 11590 Mendocino 10 miles W of Laytonville along road to Brasncom Comment
  CAS-BOT-BC180350  Corylus cornuta subsp. californica Peter H. Raven 1950-2-26 1388 San Francisco Canon [canyon], above E end of Lake Merced S of Metropolitan Housing Project. San Francisco 76 Comment
  CAS-BOT-BC180351  Corylus cornuta subsp. californica Peter H. Raven 1950-7-17 2606 San Francisco EW Canon [canyon] draianing into Lake Merced just N of the SF Golf Country Club Golf Course. San Francisco Comment
  CAS-BOT-BC180363  Corylus cornuta subsp. californica W. R. Dudley 1896-2-15 s.n. San Mateo Alpine Road t Black Mt. Santa Cruz Peninsula Comment
  CAS-BOT-BC180374  Corylus cornuta subsp. californica Walter Knight 1964-9-14 849 San Mateo On sandstone ridge between Peak Mt. and Highway 1 Comment
  GH401461  Corylus cornuta subsp. californica G. B. Grant 1902-09-01 - 1902-10-01 220 Unknown North part of California 914 Comment
  GH401474  Corylus cornuta subsp. californica H. N. Bolander 12 Unknown Comment
  GH401475  Corylus cornuta subsp. californica T. Coulter 649 Unknown Comment
  GH401476  Corylus cornuta subsp. californica C. Wright 1853-1-1 Unknown Comment
  GH401478  Corylus cornuta subsp. californica W. W. Jones 1910-3-16 60 Unknown Comment
  GH401480  Corylus cornuta subsp. californica G. B. Grant 1901-07-01 - 1901-08-01 220 Unknown Sierra Nevada Mts. Comment
  HSC104408  Corylus cornuta subsp. californica Adam N. Canter 2017-4-1 5 Humboldt Eureka, Fort Humboldt State Historic Park, west-facing bluffs along east side of Hwy. 101 Comment
  HSC104409  Corylus cornuta subsp. californica Adam N. Canter 2017-3-10 4 Humboldt Table Bluff, along Hookton Road. 13 Comment
  HSC104410  Corylus cornuta subsp. californica Adam N. Canter 2017-6-15 9 Humboldt Near Fields Landing; Humboldt Hill, Spring Street 100 Comment
  HSC104411  Corylus cornuta subsp. californica Adam N. Canter 2017-6-13 8 Mendocino Pt. Arena, Hathaway Creek, off Windy Hollow Rd. Comment
  HSC3482  Corylus cornuta subsp. californica J. F. Knezevich 1967-10-14 355 Trinity Hwy. 299 at Oregon Summit, on the road 2 mi. before reaching Glennison Gap. Comment
  HSC60634  Corylus cornuta subsp. californica Carl Wishner 1978-7-2 539 Trinity Big French Creek Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  LA204121  Corylus cornuta subsp. californica Carl Epling; William Robison 1935-7-25 sn Humboldt Devoy Grove of Redwoods Comment
  OBI29925  Corylus cornuta subsp. californica Wallace Weber, John C. Cooke, D. J. Pinkava, & David J. Keil 1969-8-16 2037 Madera Westfal campground, just S of Fish Camp and Mariposa county line Comment
  OBI70080  Corylus cornuta subsp. californica Bernard Miossi 1939-10-8 183 Alameda Strawberry cyn, near mouth 183 Comment
  PGM1448  Corylus cornuta subsp. californica Vern Yadon 1976-3-17 Monterey Northern Monterey County, Monterey Co N, Garin Rd near Watsonville Comment
  PGM692  Corylus cornuta subsp. californica Vern Yadon 1970-4-13 Monterey Northern Monterey County, Garin Rd off Hall Rd, S of Watsonville Comment
  RSA0100588  Corylus cornuta subsp. californica Jessica Orozco 2014-7-23 729 Tulare Tule River Indian Reservation. Solo peak road, past yellow gate and switchbacks, near a small dried up drainage. 1947 Comment
  RSA0101578  Corylus cornuta subsp. californica Jessica Orozco 2013-7-11 355 Tulare Sequoia National Forest. Off Forest service road 21S94. Off Forest service road 21S94, where the South fork crosses the road. 1905 Comment
  RSA0102658  Corylus cornuta subsp. californica Jessica Orozco 2015-6-4 1220 Tulare Sequoia National Forest. South Fork Tule River watershed. Off Old Forest serivce road 22S91, an old, unmaintained logging road off Crawford road (FS 22S94). Near tributary of Windy Creek, near Peyrone sequioa grove. 2072 Comment
  SBBG25342  Corylus cornuta subsp. californica M. Twining 1964-5-3 22 Mendocino 9 mi E of Ukiah Comment
  UCD110055  Corylus cornuta subsp. californica Baki Kasapligil 1965-7-11 3926 Marin Samuel Taylor State Park vicinity. Comment
  UCD110057  Corylus cornuta subsp. californica Franklin W. Martin; Madelain N. Martin 1960-3-26 47 San Mateo YMCA camp 10 miles east of Pescadero. 152 Comment
  UCD110064  Corylus cornuta subsp. californica K. Esau 1932-4-2 s.n. Sonoma Russian River. Comment
  UCD110072  Corylus cornuta subsp. californica Baki Kasapligil 1963-7-21 3432 Alameda Mills College, Oakland, South end of Lake Aliso. Comment
  UCD110073  Corylus cornuta subsp. californica Baki Kasapligil 1964-3-15 3454 Alameda Mills College, Oakland. Oakland hills, behind Chabot Observatory, above Mt. Blvd. near the old mine. Comment
  UCD110077  Corylus cornuta subsp. californica Baki Kasapligil 1964-5-10 3461 Alameda Mills College, Oakland. Oakland hills, behind Chabot Observatory, above Mt. Blvd. near the old sulfur mine. Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  UCSB26540  Corylus cornuta subsp. californica Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, east of Grizzly Peak Boulevard, east of Berkeley 274 Comment
  UCSB29429  Corylus cornuta subsp. californica Havlik, Neil 1969-7-3 Contra Costa Grizzly Pk., Berkeley Hills 457 Comment
  UCSB48780  Corylus cornuta subsp. californica Sharsmith, Carl 1944-7-2 Mariposa West side of Turtleback Dome at and below west end Wawona Tunnel, vicinity Yosemite Valley 1432 Comment
  UCSC001497  Corylus cornuta subsp. californica Lulu Waks 2006-11-9 s.n. Del Norte Siskiyou Mtns. Comment
  UCSC003042  Corylus cornuta subsp. californica Unknown 1974-11-14 27 Santa Cruz off Graham Hill Road, Pipeline Road, Henry Cowell Redwoods State Park Comment
  UCSC003043  Corylus cornuta subsp. californica Unknown 1974-11-14 27 Santa Cruz Found along Pipeline Road, off Graham Hill Road, Henry Cowell Redwoods State Park Comment
  UCSC003975  Corylus cornuta subsp. californica J. Reddehase 1958-7-31 s.n. Santa Cruz Smith Grade Comment
  UCSC005642  Corylus cornuta subsp. californica Unknown 1975-2-16 s.n. Santa Cruz Santa Cruz, Henry Cowell Redwoods State Park Comment
  CAS-BOT-BC277762  Corylus cornuta var. californica R. Crowe; E. Hinman; C. Johnson; K. Phillips 2013-3-9 13408 Marin Mount Tamalpais. Marin Municipal Water District lands: Bill Williams Trail, between the two ends of the Tucker Trail Comment
  CDA11956  Corylus cornuta var. californica G. F. Hrusa 1989-4-1 5904 Trinity Trinity Mountains; approx. 5 m W of Wildwood. Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
Read comments
Jul 28 2008
  CDA29052  Corylus cornuta var. californica D. G. Kelch 2009-6-3 9 .34 Alameda Huckleberry Regional Preserve. S of parking lot. Comment
  CDA39608  Corylus cornuta var. californica D. G. Kelch 2003-8-13 3 .126 Contra Costa Carquinez Strait; Vaca Canyon. Comment
  CDA39609  Corylus cornuta var. californica G. D. Barbe, T. C. Fuller 1972-6-29 954 Mendocino Little River Road, south of Van Damme State Park. 0 Comment
  CHSC20507  Corylus cornuta var. californica M. S. Taylor 1975-6-4 649 Santa Cruz On both sides of Cresant Drive, ca. 2 mi e of Los Gatos Hwy, Scotts Valley. Comment
  CHSC20626  Corylus cornuta var. californica Robert A. Schlising; Glenn Keator 1962-2-3 2036 Santa Clara Coast Ranges. Along road 1 mi S of Holy City. Comment
  CHSC21031  Corylus cornuta var. californica F. T. Griggs; A. Pass 1975-7-3 70 Plumas Buck's Lake Forest Service Survey. North of Grizzly Fore bay. Comment
  CHSC21123  Corylus cornuta var. californica F. T. Griggs; A. Pass 1975-7-2 31 Plumas Buck's Lake Forest Service Survey. East of road. Comment
  CHSC28013  Corylus cornuta var. californica M. S. Taylor 1978-7-21 1779 Butte Lake Madeone at its jct with Oroville-Quincy Hwy ca. 10 mi ne of Oroville. 609 Comment
  CHSC29110  Corylus cornuta var. californica M. S. Taylor 1980-4-27 2555 Butte Along Middle Butte Creek off of Little Butte Creek. Ca. 1 1/2 mi se of Nimshew. 609 Comment
  CHSC29241  Corylus cornuta var. californica M. S. Taylor 1980-5-8 2609 Butte Ca. 3 mi n of Forst Ranch, ca. 1 mi e of Hwy 32. 853 Comment
  CHSC43300  Corylus cornuta var. californica Lowell Ahart 1975-7-2 831 Plumas About 6 miles north of the Sly Creek Dam. 914 Comment
  CHSC46794  Corylus cornuta var. californica R. A. Schlising; P. F. Broyles 1987-6-26 4514 Butte 1.2 mi S of Inskip along Skyway. 1417 Comment
  CHSC47976  Corylus cornuta var. californica Vernon Oswald 1987-6-29 3041 Butte Bald Mt., 1.1 mi (odometer) sw of the Lookout. 1645 Comment
  CHSC68938  Corylus cornuta var. californica Vernon H. Oswald; Lowell Ahart 1997-7-7 8704 Tehama Forest Route 35 at Slide Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1188 Comment
  CHSC71023  Corylus cornuta var. californica Vernon H. Oswald; Lowell Ahart 1998-5-14 9070 .1 Trinity Wildwood Rd. 6.7 mi north of Hwy. 36, 1.4 mi north of Gemmill Gultch Picnic Area. 1024 Comment
  CHSC8523  Corylus cornuta var. californica Edward Laidlaw Smith 1958-6-20 499 Madera Miami Ranger Station. 1524 Comment
  HSC97559  Corylus cornuta var. californica Cara Witte 2007-6-5 210 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  HSC98546  Corylus cornuta var. californica Cara Witte 2007-5-26 652 Humboldt 3/4 mile south of Titlow Hill. 1422 Comment
  HSC98702  Corylus cornuta var. californica Cara Witte 2007-7-27 606 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1445 Comment
  HSC99445  Corylus cornuta var. californica K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 95 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS111824  Corylus cornuta var. californica A. G. Murdock 2004-4-30 261 Contra Costa Vaca Canyon 165 Comment
  JEPS116599  Corylus cornuta var. californica Julie Kierstead Nelson 2006-5-10 2006 -6 Shasta Browns Creek & Chanchellula Creek confluence, Forest Road 1, 1 mi SW of Deerlick Springs 975 Comment
  POM106648  Corylus cornuta var. californica Edward Palmer 1892-6-25 2412 Marin Bolinas Ridge Comment
  POM106650  Corylus cornuta var. californica Geo. D. Butler 1908-7-12 1073 Siskiyou Humbug Mountain. Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  POM106653  Corylus cornuta var. californica Geo. D. Butler 1909-3-21 564 Siskiyou Oro Fino Hills. Comment
  POM106656  Corylus cornuta var. californica J. Clemens 1910-8-1 s.n. Tulare Big Meadows Comment
  POM106659  Corylus cornuta var. californica Marcus E. Jones 1897-7-9 s.n. Plumas On road from Prattville to Chico. 915 Comment
  POM106663  Corylus cornuta var. californica Marcus E. Jones 1924-4-25 s.n. Mendocino Dyerville Comment
  POM106664  Corylus cornuta var. californica Marcus E. Jones 1924-4-25 s.n. Mendocino Ukiah Comment
  POM106665  Corylus cornuta var. californica Marcus E. Jones 1881-06 s.n. Santa Cruz Santa Cruz. Comment
  POM166440  Corylus cornuta var. californica Culbertson 1904-2-26 s.n. Fresno [Unspecified] Comment
  POM166453  Corylus cornuta var. californica A. D. E. Elmer 1903-03 4536 San Mateo Kings Mountain Comment
  POM175167  Corylus cornuta var. californica Edith Bond 1928-6-15 s.n. Santa Cruz Santa Cruz Mts. 91 Comment
  POM188373  Corylus cornuta var. californica Marcus E. Jones 1931-7-6 28849 Mendocino Compche [Comptche] Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment
  POM196594  Corylus cornuta var. californica W. R. Dudley 1902-5-17 s.n. San Mateo King Mountain rd. Comment
  POM217105  Corylus cornuta var. californica D. D. Keck 1932-2-12 1362 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake. 305 Comment
  POM222894  Corylus cornuta var. californica S. S. Berry 1909-3-13 s.n. San Mateo King's Mt. Road. 548 Comment
  POM259833  Corylus cornuta var. californica I. L. Wiggins 1939-6-20 9236 Tuolumne Bank of Crane Creek 2 miles NW of Park limits [Yosemite National Forest] Comment
  POM260323  Corylus cornuta var. californica C. L. Hitchcock 1940-5-20 6483 Shasta 25 miles east of Redding. Comment
  POM270385  Corylus cornuta var. californica Lyman Benson 1928-12-15 892 San Mateo Near La Honda; Santa Cruz Mt. Range. 244 Comment
  POM270388  Corylus cornuta var. californica Lyman Benson 1927-7-12 621 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  POM270389  Corylus cornuta var. californica L. R. Abrams 1916-7-7 5854 Mendocino Wolf Creek. 426 Comment
  POM270390  Corylus cornuta var. californica Lyman Benson 1929-3-26 1070 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  POM270391  Corylus cornuta var. californica Lyman Benson 1931-2-28 2613 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  POM270392  Corylus cornuta var. californica Lyman Benson 1931-2-28 2613 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  POM270393  Corylus cornuta var. californica Lyman Benson 1928-5-20 186 Santa Cruz Brookdale, Santa Cruz Mt, Monterey Bay Watershed. 122 Comment
  POM270395  Corylus cornuta var. californica Lyman Benson 1931-10-25 2919 Madera 6 mi. NE Bass Lake; Sierra Nevada; Fresno River watershed. 1524 Comment
  POM270408  Corylus cornuta var. californica Lyman Benson 1937-7-15 8455 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  POM308843  Corylus cornuta var. californica Roxana S. Ferris, Laura Lorraine 1942-7-17 10682 Tulare About 0.5 mile from Silver City on road to Mineral King. Comment
  POM339129  Corylus cornuta var. californica F. R. Fosberg 1962-9-3 43226 Santa Cruz 4 miles SE of Saratoga Gap, on Summit Road, Santa Cruz Mountains 900 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  POM87638  Corylus cornuta var. californica L. R. Abrams 1922-7-1 8437 Del Norte Smith River mouth of Mill Creek Comment
  RSA101050  Corylus cornuta var. californica G. Oberlander 1950-2-1 415 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  RSA115541  Corylus cornuta var. californica Beecher Crampton 1957-6-18 4235 El Dorado Forested slopes above Empire Creek, 1 mile southwest Georgetown, road to Garden Valley. Comment
  RSA119710  Corylus cornuta var. californica James I. McMurphy 1902-05 s.n. San Mateo Kings Mountain. Comment
  RSA119711  Corylus cornuta var. californica I. L. Wiggins 1929-3-23 3373 San Mateo Road to Mud Lake, near Stanford University Comment
  RSA131814  Corylus cornuta var. californica John H. Thomas 1953-2-4 2775 Santa Cruz Be Lomand Sand Hills, near Quail Hollow Road. 168 Comment
  RSA131815  Corylus cornuta var. californica John H. Thomas 1949-10-9 1126 Santa Cruz Near Highway 9 about 1 mile north of drinking fountain toward Saratoga Summit. 457 Comment
  RSA131816  Corylus cornuta var. californica John H. Thomas 1956-7-2 6041 Santa Cruz Along Empire Grade about 1 mile from Eagle Rock. 610 Comment
  RSA134173  Corylus cornuta var. californica P. C. Everett, E. K. Balls 1959-10-24 23956 Humboldt 4.7 miles S from Bluff Creek, Hwy 96 from Orleans to Weitchpec. 122 Comment
  RSA134374  Corylus cornuta var. californica L. S. Rose 1959-6-10 59023 Santa Cruz Mt. Hermon. 91 Comment
  RSA135466  Corylus cornuta var. californica Volney Rattan 1877-2-24 s.n. Marin San Rafael. Comment
  RSA1364  Corylus cornuta var. californica C. B. Wolf 1929-08 1424 Humboldt Stephens Grove, Redwood Highway. Comment
  RSA1454  Corylus cornuta var. californica E. R. Johnson 1930-10-14 1602 Trinity Between Dedrick and Canyon Creek Meadows. 1220 Comment
  RSA152233  Corylus cornuta var. californica I. L. Wiggins 1925-04 1649 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  RSA152313  Corylus cornuta var. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, along Hookton road. 9 Comment
  RSA173975  Corylus cornuta var. californica R. F. Thorne 1957-9-2 19003 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  RSA18080  Corylus cornuta var. californica C. B. Wolf 1929-5-5 3673 Fresno Shaver Lake, W. slope of Sierra Nevada. 1616 Comment
  RSA187378  Corylus cornuta var. californica John H. Thomas 1950-10-1 2456 Santa Cruz Along Alba Grade, west of Ben Lomond. Comment
  RSA191202  Corylus cornuta var. californica R. F. Thorne, P. Everett 1967-6-8 36994 Tulare 8.6 miles ENE of Milo toward Balch Park near head of one of the branches of Rancheria Creek. Sequoia National Forest. 1372 Comment
  RSA20773  Corylus cornuta var. californica C. B. Wolf 1937-8-12 9193 Trinity North Coast Range, South Fork Mt., Cold Spring Lookout. 1646 Comment
  RSA20962  Corylus cornuta var. californica C. B. Wolf 1937-9-13 9337 Humboldt North Coast Range, summit of Grouse Mt. 1645 Comment
  RSA211174  Corylus cornuta var. californica W. J. Ferlatte 1966-8-23 459 Trinity Trinity Alps; Boulder Creek basin, tributary to Canyon Creek. 1707 Comment
  RSA218005  Corylus cornuta var. californica Peter Rubtzoff 1956-5-13 2403 San Francisco Upper southern edge of gully south of Stanley Drive, east of Lake Merced. Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  RSA239276  Corylus cornuta var. californica R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-21 42381 Shasta Shasta National Forest: along Castle Creek about 1 mile west of Castle Crags State Park. Comment
  RSA246939  Corylus cornuta var. californica R. F. Thorne, P. Everett 1965-8-3 35104 Mendocino Above the Eel River. 457 Comment
  RSA273336  Corylus cornuta var. californica E. Cope 1977-5-21 97 Trinity Eagle Creek Campground, river valley alluvium and open mixed conifer forest 851 Comment
  RSA293495  Corylus cornuta var. californica C. W. Tilforth, John Dourley 1979-7-21 1845 Santa Cruz Along Highway 236, 3.6 mi. n.w. of jct. with Highway 9 and Boulder Creek. 183 Comment
  RSA295812  Corylus cornuta var. californica J. R. Shevock 1975-8-2 4649 Tulare Lloyd Meadows Basin, Sequoia National Forest. 2134 Comment
  RSA33407  Corylus cornuta var. californica Doris K. Kildale 1927-3-25 3004 Humboldt Humboldt Hill Comment
  RSA340528  Corylus cornuta var. californica R. F. Thorne, Walter Wisura, Dave Michener, Jim Shevock 1979-9-5 53722 Tulare Moses Mountain: campground at Mountain Home State Forest, where the Tule River crosses the road coming down Mose Mt. 1890 Comment
  RSA341264  Corylus cornuta var. californica R. F. Thorne, Walter Wisura, Dave Michener, Jim Shevock 1979-9-5 53716 Tulare Balch Park: near margin of shallow pond S of campground. 1898 Comment
  RSA39223  Corylus cornuta var. californica P. A. Munz 1947-10-13 12235 Tulare Above Camp Nelson, Tule River, Sequoia National Forest. 1524 Comment
  RSA40686  Corylus cornuta var. californica I. L. Wiggins 1948-3-20 11590 Mendocino 10 miles west of Baytonville along road to Branscom. Comment
  RSA46786  Corylus cornuta var. californica Doris Kildale Gillespie 1937-8-12 15252 Humboldt South Fork Mountain. Comment
  RSA46829  Corylus cornuta var. californica Doris K. Kildale 1926-9-5 2638 Humboldt On trail between Goat Camp and Red Peak. 1616 Comment
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Jan 24 2013
  RSA46830  Corylus cornuta var. californica Doris K. Kildale 1926-8-31 2602 Humboldt Mattole Valley, at Geo. H. Mineis. Comment
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Jan 24 2013
  RSA46863  Corylus cornuta var. californica Doris K. Kildale 1927-7-10 3734 Humboldt Gans Prairie, Bald Hills. Comment
  RSA481437  Corylus cornuta var. californica H. de Forest 1930-4-21 s.n. Marin Lake Lagunitas. Comment
  RSA481438  Corylus cornuta var. californica Freda Detmers 1933-8-30 17990 Mariposa Fish Camp, open pine fir forest, Sierra Nevada Mts Comment
  RSA481439  Corylus cornuta var. californica Charlotte M. Hoak 1931-7-7 s.n. Mendocino Marsh Creek. Comment
  RSA481440  Corylus cornuta var. californica Paul C. Silva 1948-1-31 2621 San Mateo Skyline Blvd. just north of junction of Alpine Creek Road. 701 Comment
  RSA481441  Corylus cornuta var. californica L. S. Rose 1938-2-23 38079 San Mateo Woodside. 152 Comment
  RSA481444  Corylus cornuta var. californica E. E. Stanford 1930-6-15 1584 Siskiyou 1 mile north of Dunsmuir. Comment
  RSA481447  Corylus cornuta var. californica H. de Forest 1931-6-9 17671 Tulare Sequoia National Park Comment
  RSA481448  Corylus cornuta var. californica Anstruther Davidson 1908-07 1733 Tulare Sequoia National Forest. Comment
  RSA49984  Corylus cornuta var. californica E. K. Balls 1949-6-29 13671 Trinity Above Ripstein Camp, Canyon Creek. 808 Comment
  RSA545290  Corylus cornuta var. californica R. F. Thorne, C. W. Tilforth 1971-5-25 39690 Fresno Shaver Lake Campground. 168 Comment
  RSA624391  Corylus cornuta var. californica L. C. Wheeler 1952-9-17 6935 Siskiyou [no locality information on the label for this specimen] Comment
  RSA64024  Corylus cornuta var. californica Roxana S. Ferris 1955-7-11 12961 Shasta W slope Hatchet Mt. grade at Hatchet Creek Public Camp off U.S. #299. 1188 Comment
  RSA659278  Corylus cornuta var. californica David J. Keil 1986-8-2 19706 Tulare NE of Springville in Mountain Home State Forest. Methuselah Group Campground to vicinity of Dogwood Meadow. 2000 Comment
  RSA66903  Corylus cornuta var. californica P. A. Munz 1951-7-17 16574 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  RSA697175  Corylus cornuta var. californica J. Russell Bruff 1937-8-22 972 Mendocino Juan Creek- 22 miles north of Fort Bragg Comment
  RSA725636  Corylus cornuta var. californica Tim Thibault, Ryan Gilmore, Josh Koepke 2006-10-4 465 Santa Cruz UCSC Reserve, under authority of Brett Hall, Manager 333 Comment
  RSA747215  Corylus cornuta var. californica K. M. Meyer, A. Townesmith 2007-9-22 236 Madera Sierra National Forest, 1.0 mi. on Forest Service Rd. 6S10X, off Rd. 10. 1876 Comment
  RSA759839  Corylus cornuta var. californica R. F. Thorne 1969-8-2 63399 -a Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  RSA86937  Corylus cornuta var. californica F. W. Peirson 1908-7-24 1707 Tulare North Fork of Tule River, Sierra Nevada. Comment
  RSA86949  Corylus cornuta var. californica F. W. Peirson 1925-8-4 6335 Santa Cruz San Lorenzo River about 1 mile from Boulder. Comment
  RSA89898  Corylus cornuta var. californica E. K. Balls, P. C. Everett 1953-10-14 18660 Trinity 6.7 mi. NE of Douglas City bridge over Trinity River on Hwy 299. 640 Comment
  SACT002818  Corylus cornuta var. californica J. Clark 1971-2-14 El Dorado Collected on campgrounds off Highway 50 Comment
  SD104416  Corylus cornuta var. californica Reid Moran 1978-6-25 26099 Shasta West of Little Roaring Creek 725 Comment
  SD113256  Corylus cornuta var. californica Darley F. Howe 1960-9-19 2974 El Dorado 10 miles east of Placerville on #50 1035 Comment
  SD148215  Corylus cornuta var. californica A. C. Sanders 2000-7-9 23568 Madera Northeast shore of Bass Lake, along the inland highway from Bass Lake to The Falls on North Fork of Willow Creek. 1067 Comment
  SD241774  Corylus cornuta var. californica A. C. Sanders 2010-6-26 38473 Santa Cruz Coast Range; Santa Cruz Mountains: Trout Gulch north of Aptos, along sides of Trout Gulch Road, between Fern Flat and Red Hawk roads. 113 Comment
  SD27760  Corylus cornuta var. californica Carl B. Wolf 1927-2-26 223 San Mateo La Honda Grade 305 Comment
  SD29537  Corylus cornuta var. californica Edmund R. Cross 1942-6-24 Tulare Sequoia National Park, Moro Rock Trail Comment
  SD42353  Corylus cornuta var. californica Carl B. Wolf 1937-8-12 9193 Trinity North Coast Range, South Fork Mountain, Cold Spring Lookout 1645 Comment
  SD52101  Corylus cornuta var. californica Frank Stephens Jun 1894 9694 Butte Mountain Home Comment
  SD53136  Corylus cornuta var. californica Darley F. Howe 1962-8-15 3438 Fresno Sierra National Forest, McKinley Grove of Big Trees 1980 Comment
  SD6106  Corylus cornuta var. californica unknown Jul 1916 Marin Muir Woods Comment
  SD61064  Corylus cornuta var. californica Darley F. Howe 1964-5-20 3790 Fresno Sierra National Forest, McKinley Grove of Big Trees 1920 Comment
  SD80064  Corylus cornuta var. californica R. S. Woglum 1936-9-20 173 Tulare Sequoia National Park, Headwaters of Cliff Creek 2440 Comment
  SD86681  Corylus cornuta var. californica Helen V. Witham 1972-5-10 1739 Contra Costa Oakland, Huckleberry Trail Comment
  SDSU4788  Corylus cornuta var. californica D. R. Harvey 1960-5-29 Placer Between Michigan Bluff and Forest Hill. Comment
  SDSU4806  Corylus cornuta var. californica L. N. Harvey 1930-9-26 696 Trinity Comment
  SDSU4812  Corylus cornuta var. californica K. Dixon 1942-9-4 3330 Tehama Big Chico Creek. Comment
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Jul 16 2009
  SEINET10478567  Corylus cornuta var. californica Mary Merello 1993-6-21 Merello 674 Trinity Shasta-Trinity National Forest, Whiskeytown Recreational Area. Slopes around the Trinity Alps Marina. Fairview Boat Launch. Trinity Dam Road off State Hwy. 3. Disturbed forest of mixed conifer and oak. 780 Comment
  SEINET10678461  Corylus cornuta var. californica Karen M. Meyer, Andrew Townesmith 2007-9-22 Meyer 236 Madera Sierra National Forest, 1.0 mi. on Forest Service Rd. 6S10X, off Rd. 10. 1876 Comment
  SEINET10838865  Corylus cornuta var. californica Mary Susan Taylor 1980-5-8 Taylor 2609 Butte T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest. 853 Comment
  SEINET4070458  Corylus cornuta var. californica W. Denneen 1960-1 94 Tulare Sequoia National Park, Big Stump Entrance Station near Old Adam tree. 1676 Comment
  UC1718900  Corylus cornuta var. californica Baki Kasapligil 1964-3-29 3456 Santa Cruz Santa Cruz Mt[s]. ca. 570 m. Highway 17, 8 mi S of Los Gatos; Trinity Mission Wayside Chapel Comment
  UCR119223  Corylus cornuta var. californica A. C. Sanders 2000-7-9 23568 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the 'inland' highway from Bass Lake (community) to The Falls on North Fork of Willow Creek 1067 Comment
  UCR17695  Corylus cornuta var. californica R. S. Woglum 1936-9-20 0173 Tulare Southern Sierra Nevada Mtns., Headwaters of Cliff Creek, Sequoia National Park 2439 Comment
  UCR190572  Corylus cornuta var. californica George K. Helmkamp, E. A. Helmkamp 2007-9-2 12885 El Dorado Northern Sierra Nevada Mountains Foothills, Grizzly Flat Road 0.7 mile southeast of Grizzly Flat beside a flowing creek 1171 Comment
  UCR214365  Corylus cornuta var. californica A. C. Sanders 2010-6-26 38473 Santa Cruz Coast Range; Santa Cruz Mountains, Trout Gulch north of Aptos, along sides of Trout Gulch Road, between Fern Flat and Red Hawk roads 258 Comment
  UCR32167  Corylus cornuta var. californica David J. Keil 1983-7-2 17312 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  UCR3511  Corylus cornuta var. californica David Whistler, H. M. Whistler 1964-7-29 640729- 6 Humboldt North Coast, US Hwy 101, along bank of Eel River, 0.2 mi. north of Weott 85 Comment
  UCR64445  Corylus cornuta var. californica David D. Keck 1932-2-12 1362 San Mateo La Honda road, east slope of Coast Range above Searsville Lake 305 Comment
  UCR7819  Corylus cornuta var. californica Wm. Horn Jr. 1964-2-26 640226- 01 Contra Costa San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga 183 Comment
  CDA39607  Corylus cornuta var. californica T. C. Fuller 1962-7-12 9189 Butte Road to Jonesville, 2 miles east of Butte Meadows. 0 Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  CHSC111629  Corylus cornuta var. californica J. D. Jokerst; M. Meyer 1981-8-3 1458 Trinity N facing slope ca 50 meters N of Road 34N76. 944 Comment
  POM121564  Corylus cornuta var. californica P. A. Munz 1917-8-26 1515 Tulare Damp walls of Buck Canyon, Alta Meadow, Sequoia National Park. 2287 Comment
  POM258362  Corylus cornuta var. californica Nathan C. Sweet Jr. 1940-7-10 s.n. Mariposa Along Big Creek at Summerdale Public Camp, near Fish Camp P.O. 1372 Comment
  POM304081  Corylus cornuta var. californica Nathan C. Sweet Jr. 1941-07 50 Mariposa 2 mi. north east of the Miami Ranger Station. 1494 Comment
  RSA0017340  Corylus cornuta var. californica Joan Stewart 1993-05 136 Tulare Around Alder Dr./Redwood Dr., Sequoia Crest Area Comment
  RSA115147  Corylus cornuta var. californica Chas. H. Quibell 1952-5-2 1886 Fresno Highway 168 on Big Crk. Canyon below Big Crk. N. facing slope of Big Crk. Canyon. 1341 Comment
  RSA1164  Corylus cornuta var. californica B. D. Stark 1929-7-17 1372 Santa Cruz Afton Acres. Comment
  RSA116566  Corylus cornuta var. californica Chas. H. Quibell 1954-7-21 3968 Fresno 2 m N of Shaver L. left off Hwy 168 to Big Creek onto rd. to Music Mt Lookout, then within 100 yards rt. and down onto old rd. to former logging camp on sawdust pile on canyon side below saddle. Comment
  RSA15260  Corylus cornuta var. californica C. B. Wolf 1927-2-26 223 San Mateo Near the road on the La Honda Grade. Comment
  RSA239294  Corylus cornuta var. californica R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-19 42264 Nevada Tahoe National Forest. S side of South Fork of the Yuba River on N. Bloomfield Rd. 610 Comment
  RSA481442  Corylus cornuta var. californica L. H. Jones 1909-3-13 s.n. Santa Clara Kings Mountain Road, Stanford University. 183 Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  RSA78930  Corylus cornuta var. californica E. K. Balls, P. C. Everett 1952-10-17 18231 Fresno 4.5 mi. n. of Shavers Lake, Hwy 168, to Huntington Lake. 2134 Comment
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Jul 25 2009
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  SDSU4794  Corylus cornuta var. californica D. F. Howe 1964-5-20 3790 Fresno Mc Kinley Grove of Big Trees,Sierra National Forest. 1920 Comment
  SDSU4800  Corylus cornuta var. californica D. F. Howe 1962-8-15 3438 Fresno Mc Kinley Grove of big trees, 18 miles east of Shaver Lake, Sierra National Forest. 1981 Comment
  SEINET10478568  Corylus cornuta var. californica Mary Susan Taylor 1978-7-21 Taylor 1797 Butte Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest. 610 Comment
  SEINET10478569  Corylus cornuta var. californica Mary Susan Taylor 1980-4-27 Taylor 2555 Butte T23N R3E nw sec 27. Paradise quad. Along Middle Butte Creek off of Little Butte Creek in Riparian Woodland, very shady, ca. 1.5 mi SE of Nimshew. With J.D. Jokerst. 610 Comment
  SEINET10478570  Corylus cornuta var. californica Mary Susan Taylor 1975-6-4 Taylor 649 Santa Cruz Forest around private residence, 7108 Los Gatos Hwy or 110 Cresant Drive, Scotts Valley. Comment
  SEINET10478571  Corylus cornuta var. californica Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-26 Dziekanowski 2453 Marin Collected in the vicinity of Samuel Taylor Campground in coast redwoods. 305 Comment
  SEINET12028587  Corylus cornuta var. californica C. W. Tilforth, Dourley, J. 1979-1 1845 Santa Cruz along Hwy236,3.6mi NW of jct with Hwy9 and Boulder Creek 183 Comment
  SEINET12029962  Corylus cornuta var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 102 a Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET12030990  Corylus cornuta var. californica F. H. Utech 1988-1 88 -210 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET12031408  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -282 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  SEINET12031412  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -259 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET12034008  Corylus cornuta var. californica J. P. Tracy 1951-1 19624 Humboldt along Van Duzen at Blue Slide 91 Comment
  SEINET12034011  Corylus cornuta var. californica J. H. Thomas 1959-1 7668 San Mateo Jasper Ridge,about 5 mi SW of Palo Alto 91 Comment
  SEINET4070461  Corylus cornuta var. californica O. M. Clark 1932-1 5299 Mendocino North Willits. Comment
  SEINET6892683  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2160 Siskiyou Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  RSA696175  Corylus rostrata var. californica J. Russell Bruff 1937-8-22 972 Mendocino Juan creek- 22 mi N. of Fort Braqq. Roadside-exposed Comment
  RSA697176  Corylus rostrata var. californica J. R. Bruff 1937-8-17 918 Humboldt Richardson Grove. Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  SEINET3151516  Corylus rostrata var. californica H. P. Chandler 1906-9-7 7156 Napa Alta Loma Ranch; Howell Mt. 549 Comment
  YM-YOSE59482  Corylus rostrata var. californica Sawyer 1935-10-19 545 Mariposa 1 1/4 MILE NE OF ALDER CREEK RANGER STATION. 1645 Comment
  YM-YOSE66209  Corylus rostrata var. californica Bellue 1930-8-19 Mariposa MARIPOSA GROVE OF BIG TREES Comment
  YM-YOSE66210  Corylus rostrata var. californica H. Williams 1936-7-4 Mariposa MARIPOSA GROVE Comment
  YM-YOSE66211  Corylus rostrata var. californica Enid Michael 1928-8-6 792 Tuolumne CARL INN Comment
  SACT002820  Corylus rostrata var. californica Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Monument. Comment
  SEINET12034003  Corylus rostrata var. californica M. T. Donti 1931-1 47 Alameda Strawberry Canyon,Berkely Comment
  SEINET12034004  Corylus rostrata var. californica M. T. Donti 1930-1 3 Alameda Strawberry Canyon,Berkely Comment
  SEINET12034005  Corylus rostrata var. californica M. T. Donti 1931-1 124 Alameda Strawberry Canyon,Berkely Comment
  SEINET12034012  Corylus rostrata var. californica Unknown 1929-1 7292 San Mateo Kings Mtn Comment
  SEINET12034013  Corylus rostrata var. californica Unknown 1930-1 7313 A San Mateo Los Francoo Woods Comment



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