Search Results — 74 specimen records retrieved (22 records with coordinates)
Results for search: County=SONOMA; Source=All; Collector=Davidson;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA399004  Ceanothus jepsonii subsp. albiflorus Christopher Davidson 1977-6-20 6013 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA416044  Aristolochia californica Christopher Davidson 1977-6-17 5875 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA425178  Scrophularia californica var. californica Christopher Davidson 1977-6-17 5879 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA452799  Alnus rhombifolia Christopher Davidson 1977-6-20 6026 Sonoma Dry Cr. Rd. 15.1 mi W of Geyserville. 152 Comment
  RSA456158  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA470560  Conium maculatum Christopher Davidson 1977-6-17 5878 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SBBG52675  Calycanthus occidentalis C. Davidson 1977-6-17 5883 Sonoma St Hwy 12, ca. 3 mi W of Guerneville, along Russian River 15 Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  SD99410  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Highway 12, ca. 3.0 miles west of Guerneville, along Russian River. 14 Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  SD99424  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Rd, 7.2 mi. W of Geyserville, along Warm Spgs. Cr. 75 Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  POM348173  Melilotus albus Christopher Davidson 1977-6-17 5877 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  POM361228  Hypochaeris radicata Christopher Davidson 1977-6-17 5885 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  RSA0121715  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Road, 7.2 miles W of Geyserville. Along Warm Sprgs Cr. 76 Comment
  RSA353530  Alisma triviale Christopher Davidson 1977-6-17 5881 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA364616  Carex bolanderi Christopher Davidson 1977-6-20 6034 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA365071  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA367164  Allium Christopher Davidson 1977-6-20 6018 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA367635  Disporum smithii Christopher Davidson 1977-6-20 6036 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA368149  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  RSA368221  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA369107  Calochortus vestae Christopher Davidson 1977-6-20 6005 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA369225  Chlorogalum pomeridianum var. pomeridianum Christopher Davidson 1977-6-20 6010 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA376764  Brodiaea elegans subsp. elegans Christopher Davidson 1977-6-20 6008 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA377070  Clintonia andrewsiana Christopher Davidson 1977-6-20 6033 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA408692  Monardella villosa subsp. villosa Christopher Davidson 1977-6-20 6028 Sonoma Dry Creek Road 16.2 miles west of Geyserville. 229 Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA416095  Asarum caudatum Christopher Davidson 1977-6-20 6030 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA428022  Phacelia imbricata subsp. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA448463  Clarkia unguiculata Christopher Davidson 1977-6-20 6020 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA452563  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA452569  Lomatium caruifolium Christopher Davidson 1977-6-20 6011 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA458715  Epilobium minutum Christopher Davidson 1977-6-20 6040 Sonoma Ca 30 miles W of Geyserville on Stewart s Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  RSA464447  Claytonia sibirica Anstruther Davidson 1931-05 3664 Sonoma Sonoma County (No data on label Comment
  SBBG52687  Vitis californica C. Davidson 1977-6-20 6003 Sonoma Warm Springs Crk, Dry Crk Rd, 7.2 mi. W of Geyserville 76 Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments
Mar 18 2012
  SD99409  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma 8.6 miles west of Geyserville, on Dry Creek Road 91 Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  SD99413  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest Road, on Sea Ranch property, south of Gualala River. Deep shade on slight slope north toward small stream. 29 Comment
  SD99414  Notholithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma 3 miles west of Guerneville, on state highway 12 14 Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  SD99420  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  UCD108952  Lupinus nanus Eric Davidson 1972-4-22 378 Sonoma along State Highway 21, ca. 5 miles north of State Highway 37. Comment
  UCD109665  Lupinus variicolor Eric Davidson 1971-6-29 335 b Sonoma Salt Point State Park, north of Fort Ross. Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment



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