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University of California at Davis Herbarium
DAV	Quercus douglasii X Quercus garryana var. breweri DAV314029Ernest C. Twisselmann   74081962-06-21 United States, California, Kern, Kern County: Tejon Ranch: Tunis Ridge., 35.022656 -118.744964, 1067m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324906Henry M. Pollard   11957-11-26 United States, California, Santa Barbara, Downhill side of Las Canoas Road, near foothill Davy barns, west of Rancheros tract, Santa Barbara., 34.453 -119.7075 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324907Henry M. Pollard   111957-11-30 United States, California, Santa Barbara, Short distance uphill from No.9 (uphillside of Las Canoas Rd (Hobart skofield property) east side of Rancheros tract., 34.454 -119.703 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324908Henry M. Pollard   21957-11-26 United States, California, Santa Barbara, Downhill side of Las Canoas Road, near foothill Davy barns west of Rancheros tract, Santa Barbara., 34.453 -119.7075 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324909Henry M. Pollard   121957-11-30 United States, California, Santa Barbara, Below Las Canoas Rd downhill from No.7 (Hobart skofield property east side of Rancheros tract) Santa Barbara., 34.456 -119.6911 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324911Henry M. Pollard   s.n.1957-11-28 United States, California, Santa Barbara, Few paces uphill from No. 7 and 8. Uphill side of Las Canoas Rd. (Hobart skofield property) east side of Rancheros tract, Santa Barbara., 34.454 -119.703 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324930J.M. Tucker   1919-221948-10-10 United States, California, Monterey, On a flat beside road to Jamesburg, 13.3 miles (by road) west of Greensfield, Monterey County, California., 36.372153 -121.559008 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324917John Thomas Howell   473551970-09-24 United States, California, Kern, Granitic slope south of Bodfish, el. 2800 feet, Kern County., 35.586064 -118.490569, 853m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324918M. Swensen   101947-10-14 United States, California, Mendocino, 5 miles south of Potter Valley, Mendocino County, California. Elevation 2600 feet., 39.249444 -123.118292, 792m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324921J.M. Tucker   16281947-10-04 United States, California, San Luis Obispo, At top of Temblor Range, elevation ca. 3000 feet, 13.4 miles (by road) west of McKittrick, in San Luis Obispo County, California., 35.347389 -119.814861, 914m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329214Gordon H. True   65301971-04-21 United States, California, Placer, Auburn Ravine just west of Lincoln, Placer County. El. 162 feet., 38.880681 -121.322269, 49m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324995Henry M. Pollard   s.n.1950-09-16 United States, California, Santa Barbara, Figueroa Mountain, near Los Olivos., 34.743056 -119.983889, 1380m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329213Noel Wallace   s.n.1938-08-25 United States, California, Kern, Tejon Canyon, Kern County., 35.030992 -118.639875 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329212John M. Tucker   4151941-10-05 United States, California, Monterey, On north-facing hillslope, 1/2 mile northwest of the University of California Hastings Wild Life Reserve, on west side of Big Creek Canyon, Monterey County, California., 36.372153 -121.559008 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324994J.M. Tucker   1883-181948-09-26 United States, California, Kern, Hillslope in San Emigdio Canyon, 6.5 miles (by road) above headquarters of San Emigdio Ranch, Kern County, California., 34.986042 -119.172806 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329215J.M. Tucker   16291947-10-04 United States, California, San Luis Obispo, At top of the Temblor Range, elevation ca. 3000 feet, 13.4 miles (by road) west of McKittrick, in San Luis Obispo County, California., 35.347389 -119.814861, 914m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329220J.M. Tucker   1787-131948-08-18 United States, California, Calaveras, ca. 6 miles southeast of Copperopolis, Calaveras County, California., 37.906292 -120.583158 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329219J.M. Tucker   1787-71948-08-18 United States, California, Calaveras, ca. 6 miles southeast of Copperopolis, Calaveras County, California., 37.906292 -120.583158 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329218Henry M. Pollard   41959-07-19 United States, California, Santa Barbara, On hillslope below juncture of Tremonto Road and Mountain Dr, Santa Barbara Co, Santa Barbara., 34.445 -119.706 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329217J.M. Tucker   19041948-10-09 United States, California, San Benito, Beside road to Idria, 7.3 miles south of Panoche, San Benito County, California., 36.5128 -120.8325 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329216J.M. Tucker   1911-171948-10-09 United States, California, San Benito, Mountains ca. 8 miles southeast of Idria, San Benito County, California., 36.324258 -120.613953 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329221J.M. Tucker   1899-141948-10-09 United States, California, San Benito, Flat beside Panoche Pass road, 5.2 miles west of Llanada, San Benito County, California., 36.6249 -121.0059 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324915Frank W. Gould   6001939-04-06 United States, California, Napa, Eleven miles east of Napa., 38.298756 -122.079786 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324914J.M. Tucker   16041947-10-03 United States, California, Kern, San Emigdio Canyon, 5.3 miles (by road) above hearquarters of San Emigdio Ranch, southwestern Kern County, California. Elevation 3200 feet., 34.989931 -119.178347, 975m Full Record Details
DAV	Quercus douglasii X Quercus garryana DAV324916Peter H. Raven   87571955-08-27 United States, California, Sonoma, 3 miles north of Sears Point on State Route 37, Sonoma County., 38.195333 -122.445186 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324998A. E. Wieslander   6661936-08-27 United States, California, San Luis Obispo, San Luis Obispo County: Head of San Diego Creek, eas of Simmler; altitude 3200 feet., 35.345764 -119.836117, 975m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324919Gordon Pilone   1741961-11-11 United States, California, Madera, San Joaquin Experimental Range. Madera County. Mt. Range: High Sierra. Altitude 1500 ft., 37.123697 -119.739889, 457m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324986D.Q. Cavagnaro   2271963-10-19 United States, California, San Benito, State Highway 25, 2.6 miles southeast of Pinnacles National Monument junction, San Benito County, California. Elevation 1500 feet., 36.489647 -121.104467, 457m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329227J.M. Tucker   1919-31948-10-10 United States, California, Monterey, Beside road to Jamesburg, 13.1 miles (by road) west of Greenfield, Monterey County, California., 36.372153 -121.559008 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329228Alva Grant   76211946-05-05 United States, California, Alameda, Cedar Mountain, Alameda County, California., 37.560169 -121.604756 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329225John M. Tucker   3851941-08-28 United States, California, Contra Costa, Beside road up Curry Canyon, 6 miles south of junction with the road from Clayton to Byron, Contra Costa County, California., 37.853811 -121.907053 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329223J.M. Tucker   1890-201948-10-03 United States, California, Fresno, Beside road from Parkfield to Coalinga, 4.2 miles south of Parkfield Junction, Fresno County, California., 36.020819 -120.481669 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324996J.M. Tucker   16301947-10-04 United States, California, San Luis Obispo, At top of the Temblor Range, elevation ca. 3000 feet, 13.4 miles (by road) west of Mckittrick, in San Luis Obispo County, California., 35.347389 -119.814861, 914m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329226M. Wiesendanger   14931926-04-01 United States, California, Napa, Blue Oak., 38.31427 -122.23414 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329229J.M. Tucker   19161948-10-10 United States, California, Monterey, 0.4 miles south of road from Bradley to Lockwood, ca. 12 miles west of Bradley, Monterey County, California., 35.905811 -121.007025 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329073G.L. Stebbins, jr.   35901945-10-14 United States, California, Contra Costa, Northeast side of Mt. Diablo. Beside barn on road to old quicksilver mine., 37.881464 -121.911664 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324985Ernest C. Twisselmann   101721964-09-16 United States, California, Kern, North end of Piute Mountain: Saddle Springs Road, ca. 3 miles above Bodfish Gap. Elevation: 5200 feet., 35.555117 -118.478092, 1585m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329232Ernest C. Twisselmann   116831965-10-05 United States, California, Kern, Don's Canyon, a fork of upper Cedar Canyon, Kern County. Elevation: 1800 feet. California juniper association., 35.525058 -120.012061, 549m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324981Ernest C. Twisselmann   123291966-06-08 United States, California, Kern, North end of Brites Valley. Elevation: 4200 feet, valley and Douglas Oak woodland., 35.130928 -118.552506, 1280m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329231Irene Brown   831959-04-18 United States, California, El Dorado, U.S. Highway 50, 6 miles west of Placerville, El Dorado County, California. Elevation ca. 1000 feet., 38.696947 -120.8845, 305m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324997J. M. Tucker   1898-11948-10-08 United States, California, Merced, East side of Pacheco Pass ca. 3 miles above east end of pass, Merced County, California., 37.110936 -121.217711 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324923W. L. Jepson   153361929-09-30 United States, California, Tehama, Macum, below Manton, e. Tehama Co., 40.434536 -121.86855, 366m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324960Henry M. Pollard   131954-11-30 United States, California, Santa Barbara, Near watered flat downhill from No. 12 (Hobart Skofield property, east side of Rancheros tract, Santa Barbara)., 34.456 -119.6911 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324932Ernest C. Twisselmann   82321963-05-17 United States, California, Kern, Kern County: Poso Creek, ca. 0.5 mile above Poso Narrows., 35.555614 -118.742161, 707m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324924J.M. Tucker   1890-11948-10-03 United States, California, Fresno, Beside road from Parkfield to Coalinga, 4.2 miles south of Parkfield Junction, Fresno County, California., 36.020914 -120.477344 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329070Miss C. Hoak   1903-00-00 United States, California, Siskiyou, 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou., 42.00919 -122.613459, 914m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329239Ernest C. Twisselmann   97721964-07-23 United States, California, Kern, Glennville-Greenhorn Road, 0.4 mile east of the National Forest Boundary, Kern County. Elevation: 4600 feet., 35.738864 -118.626383, 1402m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329240Ernest C. Twisselmann   113841964-07-23 United States, California, Kern, Alder Creek just above Alder Creek Public Camp, Kern County. Elevation: 3900 feet., 35.719172 -118.610636, 1189m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329244J.M. Tucker   16241947-10-04 United States, California, Santa Barbara, On low hillslope overlooking the Cuyama River, 3.1 miles west of Wasioja School, Santa Barbara County, California., 34.970619 -119.792603 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329071J.M. Tucker   16061947-10-03 United States, California, Kern, San Emigdio Canyon, 5.3 miles (by road) above headquarters of San Emigdio Ranch, southwestern Kern County, California. Elevation: 3200 feet., 34.989931 -119.178347, 975m Full Record Details
DAV	Quercus douglasii Hook. & Arn. John M. Tucker   27561954-09-23 United States, California, Napa, West side of Highway 37, 0.1 mile south of junction with wooden Valley Road (about 9.5 miles northeast of Napa), Napa County, California., 38.375261 -122.182469 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324954J. M. Tucker   16051947-10-03 United States, California, Kern, San Emigdio Canyon, 5.3 miles (by road) above headquarters of San Emigdio Ranch, southwestern Kern County, California., 34.989931 -119.178347, 975m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324953J. M. Tucker   1786-191947-10-03 United States, California, Tuolumne, Dry hills, 1 mile southwest of Jamestown, Tuolumne County, California., 37.942653 -120.434281 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324952J.M. Tucker   16311947-10-04 United States, California, San Luis Obispo, At the top of the Temblor Range, elevation ca. 3000 feet, 13.4 miles (by road) west of McKittrick, in San Luis Obispo County, California., 35.343533 -119.808814, 914m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324951Beverly Willing   1611979-04-22 United States, California, Glenn, California, Glenn County: 1.7 miles west of Elk Creek, south side of Road 309 (San Hendrin Road)., 39.611233 -122.564203 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324957J.M. Tucker   1898-181948-10-08 United States, California, Merced, East side of Pacheco Pass ca. 3 miles above east end of pass, Merced County, California., 37.110803 -121.217314 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324980Sean Huff   21994-05-14 United States, California, Placer, Placer County: Town of Roseville at north end of Sunrise Blvd, 1 mile down dirt road. Township/Range: T11N, R6E, S36, SE 1/4, 38.7537 -121.253592, 76m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324955D.H. Wilken   152891997-06-20 United States, California, Monterey, Monterey Co.: Fort Hunter Liggett, s of Nacimiento River, ca. 3 map km sw of BM 'Peanut', 0.8 map km se of mouth of SlickRock Ck, ca. 2.5 map km n of San Miguel Ck. UTM: 10S. 649,040 E; 3,981,580 N ca. 460 m elev., 35.98005 -121.369058, 460m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324946D.Q. Cavagnaro   181963-09-11 United States, California, El Dorado, U.S. Highway 50, 7 miles west of Shingle Springs, El Dorado County, California. Elevation 700 feet., 38.659053 -121.056214, 213m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324947Perry Allen   11968-10-29 United States, California, Stanislaus, Rock outcroping along Goodwin Creek, about one mile southeast of La Grange., 37.651192 -120.448539 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324925J.M. Tucker   1897-141948-10-08 United States, California, Stanislaus, Del Puerto Canyon, 19 miles (by road) west of Patterson, in Stanislaus County, California., 37.424028 -121.342406 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324945D.Q. Cavagnaro   591963-09-15 United States, California, Monterey, 10 mile northwest of Arroyo Seco, Monterey County, California. Elevation 1400 feet., 36.362781 -121.384519, 427m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324944D.Q. Cavagnaro   91963-09-06 United States, California, Mendocino, 3 miles northwest of Ukiah, Mendocino County, California. Elevation 1800 feet., 39.174325 -123.255356, 549m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324949D.Q. Cavagnaro   191963-09-11 United States, California, El Dorado, U.S. Highway 50, 7 miles west of Shingle Springs, El Dorado County, California. Elevation 700 feet., 38.659053 -121.056214, 213m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324943D.Q. Cavagnaro   221963-09-11 United States, California, Amador, State Highway 49, 6.3 miles north of Plymouth, Amador County, California. Elevation 1000 feet., 38.574344 -120.840597, 305m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324969Ernest C. Twisselmann   101701964-09-16 United States, California, Kern, North end of Piute Mountain: Saddle Springs Road ca. 3 miles above Bodfish Gap. Elevation: 5200 feet, California juniper association., 35.555117 -118.478092, 1585m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329072J.M. Tucker   1868-181948-09-05 United States, California, Napa, South side of Highway 12 (road from Napa to Sononma), ca. 1/4 mile east of the Sonoma-Napa county line, in Napa County, California., 38.25025 -122.372636 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324968Barbara Yungert   1961974-06-05 United States, California, Yuba, Along Road 4, SC-13 project area, Sierra Foothill Field Station, Yuba County, California., 39.24896 -121.31264 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324967G. T. Nordstrom   3421935-02-27 United States, California, Ventura, Ventura County: north side of mouth of Buck Creek. Altitude 2700 feet., 34.666994 -118.822422, 823m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324966H.C. Lee   6661936-06-12 United States, California, San Luis Obispo, San Luis Obispo County: four miles south east of Adams Ranch. Altitude 650 feet., 35.018144 -120.300131, 198m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324975J.M. Tucker   1891-141948-10-03 United States, California, Fresno, Beside road from Parkfield to Coalinga, 2.6 miles south of Parkfield Junction, Fresno County, California., 36.043878 -120.478833 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324965J.M. Tucker   1884-21948-09-26 United States, California, Kern, San Emigdio Canyon, 5.1 miles (by road) above headquarters of San Emigdio Ranch, Kern County, California., 34.989931 -119.178347 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324976J.M. Tucker   19031948-10-09 United States, California, San Benito, Beside road to Idria, 7.3 miles south of Panoche, San Benito County, California., 36.5128 -120.8325 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324970Henry M. Pollard   31959-04-24 United States, California, Santa Barbara, Below Mountain Drive (near end of Marymount stone wall) north of Old Mission, Santa Barbara County, Santa Barbara., 34.441575 -119.706919 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324971J.M. Tucker   1913-91948-10-10 United States, California, Monterey, West side of Highway 101, 5 miles south of San Ardo, Monterey County, California., 35.950714 -120.877864 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324962Frank W. Gould   6491939-04-08 United States, California, Lake, Five miles southwest of Middleton along roadside., 38.68965 -122.597101 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324989J.M. Tucker   1872-211948-09-24 United States, California, Kern, Above Cameron Creek, 1.4 miles from Highway 466, ca. 9 miles east-southeast of Tehachapi, Kern County, California., 35.0975559 -118.304229 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324982Lewis S. Rose   640421964-04-28 United States, California, Mariposa, 4 mi e. of Mormon Bar. Alt. ca. 2200 ft., 37.459797 -119.872281, 671m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324972John M. Burns   s.n.1959-07-11 United States, California, Tuolumne, Elevation ca. 3500 feet; Rose Creek, 5.5 miles north of Twaine Harte, Tuolumne County, California., 38.124319 -120.230122, 1067m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324983Roy V. Parker   s.n.1958-08-26 United States, California, Kern, Between Havilah and Walker Basin, Kern County, California., 35.480997 -118.526694 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329074J.M. Tucker   1872-131948-09-24 United States, California, Kern, Above Cameron Creek, 1.4 miles from Highway 466, ca. 9 miles east-southeast of Tehahcapi, Kern County, California., 35.1042396 -118.2720111 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324904R. Tofsrud   s.n.1948-07-12 United States, California, Glenn, Glenn County: Hills about 1 mile north of Stony Ford, southwestern Glenn County., 39.39205 -122.550233 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324977J.M. Tucker   16231947-10-04 United States, California, Santa Barbara, On low hillslope overlooking the Cuyama River, 3.1 miles west of Wasioja School, Santa Barbara County, California., 34.970619 -119.792603 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324887W. L. Jepson   84081919-06-30 United States, California, Mariposa, Mariposa., 37.485 -119.96528 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324927John M. Tucker   27551954-09-23 United States, California, Napa, East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California., 38.375261 -122.182469 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324978G. F. Hrusa   150371999-04-29 United States, California, Tehama, Tehama County: Coyote Creek Conservation Area, S of Red Bluff. UTM: 10 T, 0559167 E, 4440429 N., 40.092978 -122.223272 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324993P. Akers   s.n.2002-05-02 United States, California, Shasta, Shasta County: Redding, Airport Rd, just S of Hwy 44 in grassland with manzanitas. Elev: 558 ft., 40.55 -122.3, 170m Full Record Details
DAV	Quercus douglasii X Quercus garryana DAV314032John M. Tucker   2008-201950-11-05 United States, California, Napa, California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species., 38.534686 -122.4482 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV329245John M. Tucker   23031951-10-12 United States, California, Mendocino, California, Mendocino Co.; northwestern part of University of California Hopland Field Station, just south of Beasley place, 39.001438 -123.08425 Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324948John M. Tucker   23031951-10-12 United States, California, Mendocino, California, Mendocino Co.; northwestern part of University of California Hopland Field Station, just south of Beasley place, 39.001438 -123.08425, 762m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324942John M. Tucker   23031951-10-12 United States, California, Mendocino, California, Mendocino Co.; northwestern part of University of California Hopland Field Station, just south of Beasley place, 39.001438 -123.08425, 762m Full Record Details
DAV	Quercus douglasii Hook. & Arn. DAV324928John M. Tucker   23031951-10-12 United States, California, Mendocino, California, Mendocino Co.; northwestern part of University of California Hopland Field Station, just south of Beasley place, 39.001438 -123.08425, 762m Full Record Details
DAV	Quercus douglasii X Quercus garryana DAV314031John M. Tucker   2008-161950-11-05 United States, California, Napa, California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species., 38.5142 -122.4391 Full Record Details
DAV	Quercus douglasii X Quercus garryana DAV314030John M. Tucker   2008-111950-11-05 United States, California, Napa, California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species., 38.5142 -122.4391 Full Record Details
DAV	Quercus douglasii Hook. & Arn. Beecher Crampton   83401968-08-06 United States, California, Yolo, Yolo County: 3 miles west of Winters, along State Hwy. 128., 38.498247 -122.019367 Full Record Details
DAV	Quercus douglasii Hook. & Arn. AHUC102414Beecher Crampton   68771963-09-09 United States, California, Yuba, Yuba County: 2.5 miles n.n.w. Smartsville, 5 miles east of Brown's Valley. UC. Sierra Foothill Field Station., 39.243056 -121.283722 Full Record Details
DAV	Quercus douglasii Hook. & Arn. AHUC102416Collector unknown   s.n. United States, California, Calaveras, Blue Oak. Calaveris (probably meant Calaveras). Full Record Details
DAV	Quercus douglasii X Quercus durata DAV314022A. M. Shapiro   s.n.1995-05-20 United States, California, Nevada, California, Nevada Co.; hilltop just east of Grass Valley and north of freeway (Highways 20 and 49) at Brunswick Rd. exit., 39.235767 -121.034775 Full Record Details
DAV	Quercus douglasii X Quercus garryana DAV314023John M. Tucker   18941948-10-08 United States, California, Alameda, California, Alameda Co.; besides Mines Road, 3 mi. southeast of Livermore., 37.654078 -121.723744 Full Record Details
DAV	Quercus douglasii X Quercus lobata DAV324939John M. Tucker   s.n.1995-10-14 United States, California, Napa, California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena; elev. ca. 1800 ft., 38.433581 -122.489178, 549m Full Record Details

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