Search Results — 2000 specimen records retrieved (1388 records with coordinates)
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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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC31139  Abies concolor J. O. Sawyer 1970-6-24 2272 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC73545  Abies concolor Gail Newton 1980-7-14 1470 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC73937  Abies concolor Gail Newton 1980-6-24 593 Humboldt Near Ladder Rock 1570 Comment
  UC502908  Abies concolor Joseph P. Tracy Jul 16 1930-Jul 19 1930 8962 Humboldt in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC78053  Abies grandis W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  SD136394  Abies grandis Doris Kildale Niles 1941-7-25 Humboldt Arcata Comment
  SDSU1549  Abies grandis W. A. Bemis 1964-4-11 254 Humboldt Mad River, HWY 299. 76 Comment
  UC1193117  Abies grandis P. J. Zinke 1950-9-21 163 Humboldt Salmon Creek 1 mi upstream from Mill Creek Salmon Creek, Quad. 29C1 152 Comment
  HSC76304  Abies magnifica Teresa Prendusi 1981-7-24 480 Humboldt Near Whiteys Peak 1585 Comment
  UC55645  Abies magnifica var. shastensis Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 58121 Humboldt Trinity summit North Coast Ranges, Trinity Summit (ne Humboldt and nw Trini Comment
  CAS-BOT-BC383848  Abronia latifolia W. R. Dudley 1899-6-1 s.n. Humboldt Samoa Comment
  HSC37927  Abronia latifolia Peter Sorensen 1976-5-28 Humboldt N spit Comment
  HSC38927  Abronia latifolia Linda M. Barker 1976-5-13 1490 Humboldt 3 mi. W of Arcata. Comment
  HSC62997  Abronia latifolia David Wheeler 1979-5-10 103 Humboldt Mad River Beach County Park .25 mi. NW of parking lot Comment
  HSC16130  Abronia latifolia I. L. Wiggins 1932-7-19 5888 Humboldt Near Clam Beach, 8 mi. N of Arcata Comment
  CAS-BOT-BC330565  Acer circinatum W. R. Dudley 1899-6-21 s.n. Humboldt Englewood Creek, Eel River Comment
  UC165810  Acer circinatum J. P. Tracy 1906-4-15 2406 Humboldt near mouth Lindsey Creek (Mad River); , near mouth of Lindsey Creek 30 Comment
  UC205487  Acer circinatum Joseph P. Tracy 1920-10-24 5403 Humboldt Mad River bottom near Blue Lake (Northern Coast Ranges); , Mad River bottom nr Blue Lake 60 Comment
  HSC98573  Acer macrophyllum C. Witte 2007-5-17 31 Humboldt National Forest Road 5N10. 1/2 mile east of intersection with National Forest 1. 1441 Comment
  UC1175129  Acer macrophyllum P. C. Everett and E. K. Balls 1959-10-25 23957 Humboldt 12 mi w from Willow Creek (along U.S. Hwy 299 to Arcata); w from Willow Creek 701 Comment
  HSC90231  Achillea millefolium L. Watson, J. Meninga Aug 1990 1 Humboldt Near Manilla. Mad River Slough and Dunes; 20 ft. N of parking lot, W of trail Comment
  UC1199375  Achillea millefolium J. P. Tracy 1901-7-28 1220 Humboldt immediate vicinity Eureka 0 Comment
  HSC90327  Achillea millefolium Jean Hanson 1980-6-22 105 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka, W end of island Comment
  RSA120839  Achillea millefolium var. californica S. S. Tillett 1956-7-6 624 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  UC275323  Achlys californica Joseph P. Tracy 1923-6-20 6312 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC3333  Achlys triphylla D. E. Anderson 1965-5-15 3686 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  HSC74572  Achlys triphylla M. A. Baker 1980-5-17 1190 Humboldt Near Le Perron Peak 792 Comment
  RSA120761  Achlys triphylla S. S. Tillett 1956-7-6 621 Humboldt 11 mi. from Orlenas, on Bar Shanty Road. 1159 Comment
  CAS-BOT-BC400019  Achlys triphylla Doris K. Kildale 1926-4-30 1923 Humboldt Camp Grant, South Fork of Eel River Comment
  HSC99382  Achlys triphylla subsp. triphylla K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 31 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC210659  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  UC526754  Achnatherum lemmonii Joseph P. Tracy 1933-6-13 12597 Humboldt On road from Hoopa westward to Bair's (near summit); Hoopa Mountain 1066 Comment
  UCD55568  Achnatherum lemmonii W. Robert Powell 1958-7-10 s.n. Humboldt 6 miles northeast of Lord Ellis Summit. 1158 Comment
  UC180175  Achyrachaena mollis Joseph P. Tracy 1914-5-14 4454 Humboldt Fort Seward; Northen Coast Ranges Comment
  UCD104078  Acmispon brachycarpus H. E. Parks 1941-8-1 24183 Humboldt Little River State Park. Comment
  HSC40938  Acmispon micranthus Linda M. Barker 1976-6-1 1557 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC98330  Acmispon wrangelianus A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek Jct., 100 yards W of Lindsey Creek on N bank. Comment
  HSC73766  Aconogonon davisiae Gail Newton 1980-7-24 1772 Humboldt Near Somes Mtn. 1615 Comment
  HSC55857  Actaea rubra G. L. Clifton, Griswold 1979-7-25 10846 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC1222569  Actaea rubra Joseph P. Tracy 1950-7-2 18977 Humboldt below Grizzly Camp (along creek at crossing of Little Hors Linto Creek); Trinity Summit Comment
  HSC58316  Adenocaulon bicolor Overton, Butler 1979-8-2 12604 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA18020  Adenocaulon bicolor Carl B. Wolf 1927-8-21 s.n. Humboldt In Stephen's Grove Comment
  UCR123954  Adiantum aleuticum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6969 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  JEPS35154  Adiantum aleuticum Joseph P. Tracy 1925-11-25 7324 Humboldt near s fork Trinity River Valley; Northern Coast Ranges 182 Comment
  CAS-BOT-BC30380  Ageratina occidentalis Doris K. Kildale 1926-8-29 2592 Humboldt Van Duzen River, near Strong's Station Comment
  UC127705  Ageratina occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5884 Humboldt Francis Range North-Western California Comment
  SDSU6850  Agoseris apargioides subsp. maritima D. F. Howe 1965-8-7 4121 Humboldt Orick. Comment
  JEPS36258  Agoseris grandiflora Milo S. Baker 1923-7-20 66 Humboldt 15 mi e, at Redwood house on Yager Road Hydesville Comment
  SEINET11854998  Agoseris grandiflora J. P. Tracy 1942-1 17276 Humboldt Garberville. North end of town Comment
  SEINET202624 Image available Agoseris grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt Garberville north end of town. Comment
  HSC98511  Agoseris grandiflora var. leptophylla Cara Witte 2008-8-6 1008 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  UC165756  Agoseris heterophylla var. heterophylla J. P. Tracy 1903-5-22 1875 A Humboldt on grassy hills Alder Point 152 Comment
  SEINET3134343  Agrostis J. B. Davy, W. C. Blasdale 1899-6-13 5521 Humboldt Near Pepperwood Comment
  POM160890  Agrostis exarata Joseph P. Tracy 1918-7-5 5016 Humboldt White Thorn Valley. 305 Comment
  SEINET3916252  Agrostis exarata H. E. Parks, S. T. Parks 1952-1 7553 Humboldt Spruce Cove, Trinidad.; 0 61 Comment
  UC1145056  Agrostis exarata Joseph P. Tracy 1947-6-28 17749 Humboldt Larrabee Valley 731 Comment
  UC1145058  Agrostis exarata Joseph P. Tracy 1936-6-3 14849 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1145061  Agrostis exarata Harold E. Parks and Joseph P. Tracy 1941-7-5 11489 Humboldt Coon Creek, east side of Trinity River below Willow Cr. 152 Comment
  UC204531  Agrostis exarata Joseph P. Tracy 1918-7-21 5085 Humboldt around Humboldt Bay (mossy bog); Northern Coast Ranges, Humboldt Hill 91 Comment
  UC292580  Agrostis exarata H. E. Parks 8302 Humboldt 100 Comment
  UCD52429  Agrostis exarata P. B. Kennedy 1923-8-3 s.n. Humboldt south of Scotia by road off highway. Comment
  UC188818  Agrostis exarata Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5885 Humboldt Francis Range Comment
  UCD52234  Agrostis exarata var. pacifica A. H. Murphy 1948-7-29 s.n. Humboldt Sherman Flat, 3.5 miles north of Blocksburg. Comment
  HSC58751  Agrostis gigantea Overton, Butler 1979-7-24 9619 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  CAS-BOT-BC139452  Agrostis hyemalis Doris K. Kildale 1926-9-5 2624 Humboldt Lasseck's Peaks. Near Canal Camp. 1661 Comment
  HSC89897  Agrostis microphylla Leonel Arguello 1989-7-7 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi W of Arcata, south-west quadrant of Fernstrom-Root parcel. Comment
  HSC99594  Agrostis stolonifera K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 262 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD53520  Agrostis stolonifera Lee Berry 1956-6-20 s.n. Humboldt May Ranch, Bridgeville. Comment
  UC1145073  Agrostis viridis Joseph P. Tracy 1943-8-29 17445 Humboldt Eureka 30 Comment
  RSA257505  Aira caryophyllea H. E. Parks, S. T. Parks 1936-06 5850 Humboldt Spruce Cove, Trinidad Comment
  UC1541535  Aira caryophyllea Harold E. Parks June 1936 5850 Humboldt Spruce Cove Trinidad 60 Comment
  UC526681  Aira caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UCD55699  Aira caryophyllea A. H. Murphy 1951-6-1 51 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap, in Erickson Glade. Comment
  UCD55705  Aira caryophyllea Joseph P. Tracy 1941-6-15 16907 Humboldt Wilder Ridge, east of Kings Peak. 762 Comment
  HSC102643  Aira elegans J. P. Smith 2009-5-31 12605 Humboldt Bald Hills Road. Comment
  UCR37535  Alchemilla occidentalis L. P. Janeway 1983-5-1 255 Humboldt Northern Coast, North Spit (Samoa Peninsula). Sand dunes west of Samoa Rd and north of Coast Guard Station 6 Comment
  UC672868  Alisma plantago-aquatica Joseph P. Tracy 1933-8-22 12984 Humboldt 1 mi w Loleta; Mouth of Eel River 6 Comment
  UC15012  Allium bolanderi Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5636 Humboldt ridge near Hoopa; North Coast Ranges Comment
  HSC65901  Allium bolanderi var. bolanderi M. A. Baker 1980-6-26 2444 Humboldt Near Sims Creek 610 Comment
  HSC2957  Allium campanulatum J. P. Tracy 1932-7-12 10479 Humboldt Head of Brett Hole, Trinity Summit 1829 Comment
  RSA183583  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mountain. 1433 Comment
  HSC2936  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mtn. 1433 Comment
  UCR275114  Allium triquetrum Charity A. Hartshorn 2016-4-24 08 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  UC666921  Allium unifolium Joseph P. Tracy 1932-5-22 10113 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  CAS-BOT-BC453427  Allotropa virgata Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC503081  Alnus incana subsp. tenuifolia Joseph P. Tracy 1932-7-15 10605 Humboldt ridges e Corral Prairie (hollows); Klamath Mountains, Trinity Summit 1828 Comment
  UC213002  Alnus rhombifolia Joseph P. Tracy 1919-12-28 5306 Humboldt 5 mi above Carlotta (river bar); Northern Coast Ranges, Van Duzen River 30 Comment
  RSA46861  Alnus rhombifolia Doris K. Kildale 1926-12-13 1428 Humboldt Bridgeville, bank on Van Duzen. 229 Comment
  CHSC130  Alnus rubra A. Small 1953-4-1 Humboldt Near Ferndale. Comment
  HSC99634  Alnus rubra Will Ferrand 2002-4-27 28 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  UC144075  Alnus rubra J. P. Tracy 1909-3-7 2943 Humboldt Immediate vicinity of Eureka 0 Comment
  SEINET10895894  Alnus rubra Harold E. Parks, Susan T. Parks 1938-4-1 Parks 24126 Humboldt Spruce Cove, Trinidad. 61 Comment
  RSA167288  Alopecurus saccatus Joseph P. Tracy 1951-6-21 19525 Humboldt back of the Everett Beck house (formerly George Gray) bed of former Goose Lake, Hydesville. Comment
  HSC5657  Ambrosia chamissonis H. E. Parks Sep 1941 24214 Humboldt Mouth of Little River Comment
  UCD128769  Ambrosia chamissonis Linda M. Barker 1976-8-2 1674 Humboldt 3 miles west of Arcata. Comment
  HSC18527  Amelanchier alnifolia var. semiintegrifolia J. Sandborg, F. Sandborg May 1968 4 Humboldt Bluff Creek near Notice Creek 793 Comment
  HSC98537  Amelanchier alnifolia var. semiintegrifolia Cara Witte 2008-6-11 709 Humboldt Forest Service Road 5N10. At intersection of Forest Service Road 5N41. 1294 Comment
  HSC44355  Amelanchier pallida Brad Klipfel 1975-7-11 700 Humboldt Horse Mtn. Comment
  CDA1717  Ammophila arenaria T. C. Fuller 1961-9-28 7062 Humboldt 0.2 miles south of Samoa. 0 Comment
  RSA15556  Anaphalis margaritacea C. B. Wolf 1927-8-30 1230 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
  UC963845  Anaphalis margaritacea H. E. Parks and S. T. Parks 1943-8-1 24237 Humboldt along highway Stone Lagoon Comment
  HSC55331  Anemone deltoidea Griswold, Butler 1979-7-12 7175 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC74292  Anemone deltoidea M. A. Baker 1980-7-22 3079 Humboldt Near Salmon Mtn. 1820 Comment
  CAS-BOT-BC391779  Anemone deltoidea D. E. Breedlove 1962-6-8 3066 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  UCSB17330  Anemone deltoidea Breedlove, Dennis 1962-6-8 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  HSC100610  Anemone nemorosa Carl C. Marshall Jun 1885 30 Humboldt Redwoods (high up). Comment
  UC1196191  Anemone oregana Joseph P. Tracy 1932-7-16 10628 Humboldt near Corral Prairie (Trinity Summit); Klamath Mtns, Trinity Summit 1524 Comment
  HSC98540  Anemone oregana Cara Witte 2008-6-9 705 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1418 Comment
  HSC22553  Anethum graveolens Paul Shields Sep 1955 Humboldt 1 mi. S of Weott Comment
  UC582653  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  UC582655  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  BLMAR431  Angelica lucida Clara Sander 2003-7-12 431 Humboldt South Spit, South spit- east side 3 Comment
  POM318530  Angelica lucida Patricia Wilder 1968-8-21 4376 Humboldt Big Lagoon Park, just west of U.S. 101 15 Comment
  UC140622  Angelica lucida J. W. Congdon 1904-7-25 Humboldt South Bay Comment
  JEPS14220  Angelica tomentosa Joseph P. Tracy 1938-8-14 16107 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  OBI9037  Angelica tomentosa Tracey Call, Viola Call 1966-8-1 2518 Humboldt 2.5 mi up Three Creek Rd. from Willows 427 Comment
  SEINET13943409 Image available Angelica tomentosa W. A. Weber 1964-1 12204 Humboldt Mountain grade between summit of ridge separating Redwood Creek from Hoopa Valley, a few miles west of Hoopa Comment
  UC642243  Angelica tomentosa Joseph P. Tracy 1938-9-5 16145 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC127608  Anisocarpus madioides Mrs. M. H. Manning June 1902 Humboldt Hupa Comment
  HSC5993  Anisocarpus madioides Francis Winter 1960-4-24 Humboldt 1 mi. W of Hoopa on Bair Rd. 305 Comment
  UCD74273  Antennaria stenophylla G. Ledyard Stebbins 1985-6-19 N- 501 Humboldt Nevada: Humboldt County. Santa Rosa Mountains. Along road north of Hinkey Summit, 1.4 miles NE of Martin Creek Guard Station. 1950 Comment
Read comments
Apr 16 2015
  UC582631  Anthemis arvensis Joseph P. Tracy 1937-10-3 15691 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  HSC38792  Anthemis cotula J. D. Ackerman 1975-8-31 655 Humboldt Lanphere Rd. near Mad River Slough, Arcata Bottoms 2 Comment
  RSA254784  Anthemis cotula Thomas W. Nelson 1973-8-19 1111 Humboldt McKeown Ranch north of Dinsmore Comment
  UCD56137  Anthoxanthum aristatum Joseph P. Tracy 1951-6-26 19548 Humboldt Snow Camp Meadow. Comment
  CAS-BOT-BC289125  Anthoxanthum occidentale Doris K. Kildale 1929-3-10 6931 Humboldt Bug Creek, Chaparral Mt. Comment
  HSC5263  Anthoxanthum occidentale John Warner Hosking 1966-8-5 Humboldt Fickle Hill Rd, 1 mi. E of Arcata. Comment
  UC922012  Anthoxanthum odoratum Joseph P. Tracy 1948-6-13 18046 Humboldt Dobbyn Creek 152 Comment
  UC1198741  Aphanes occidentalis Joseph P. Tracy 1919-4-27 5129 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  UCD143195  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC98831  Apocynum androsaemifolium Cara Witte 2008-7-11 887 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  RSA85397  Apocynum androsaemifolium subsp. pumilum E. K. Balls, Lee W. Lenz 1956-6-12 21661 Humboldt 4.4 mi SW from Willow Creek, along US Hwy. 299, Willow Creek to Arcata 366 Comment
  UCSB25082  Apocynum cannabinum Keefe, Joseph 1967-7-8 Humboldt Bank of Ell River, Miranda turnoff, 12.4 miles north of Garberville on U.S. Highway 101 170 Comment
  HSC18037  Aquilegia formosa var. formosa F. B. Plett 1963-5-11 45 Humboldt 1.5 mi. N of Trinidad on old Hwy. 101 Comment
  HSC18040  Aquilegia formosa var. formosa Greg Bos 1965-5-2 235 Humboldt 5 mi. E of Korbel on Bald Mtn. Rd. 732 Comment
  HSC56075  Aquilegia formosa var. truncata G. L. Clifton, Griswold 1979-7-31 11751 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC56192  Aquilegia formosa var. truncata Gilbert Muth 1979-8-1 12132 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  POM118664  Aquilegia formosa var. truncata Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville. Comment
  UC552301  Arabidopsis thaliana Joseph P. Tracy 1935-4-20 13788 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC73407  Arabis breweri var. breweri B. Potter, L. Sieburth, Susan Ahrens 1981-4-25 648 Humboldt Horse Mtn., 3.6 mi. S of Hwy. 299 on road to Titlow Ski Area 915 Comment
  HSC56440  Arabis glabra Griswold, Butler 1979-7-12 7172 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC74294  Arabis glabra M. A. Baker 1980-7-22 3099 Humboldt Near Grogan Hole. 1676 Comment
  HSC75964  Arabis glabra Walter Overton, Butler 1979-8-2 12585 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  UC1225763  Arabis glabra Joseph P. Tracy 1946-7-7 17610 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC79191  Arabis subpinnatifida D. K. Imper 1984-5-17 Humboldt Sims Mountain 1280 Comment
  OBI20498  Aralia californica Carl B. Wolf 1937-9-8 9302 Humboldt North Coast Range, Bull Crk-Petrolia Rd, 12 mi W of Redwood hwy 457 Comment
  HSC74336  Arbutus menziesii M. A. Baker 1980-5-18 1310 Humboldt Near Black Mtn. 1006 Comment
  RSA0065452  Arbutus menziesii Nancy Ryan Zabriskie, Walter Zabriskie 1969-8-26 233 Humboldt South Fork of the Eel River below Piercy. Comment
  UC1196877  Arctostaphylos Joseph P. Tracy 1934-3-11 13156 Humboldt French Camp Ridge 1066 Comment
  UC1198678  Arctostaphylos Joseph P. Tracy 1933-4-9 10970 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC23727  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13139 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23770  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. betwwn Shelter Cove and Kenny Comment
  CAS-BOT-BC23776  Arctostaphylos columbiana Doris K. Kildale 1926-8-15 2528 Humboldt Willow Creek, Upper Flat 182 Comment
  CAS-BOT-BC23781  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. On ridge 1 mile S. of road. 1219 Comment
  CAS-BOT-BC23794  Arctostaphylos columbiana C. Hart Merriam 1920-9-18 s.n. Humboldt Berry Mt. between Trinity River and Redwood Creek Comment
  HSC62325  Arctostaphylos columbiana Ruby Van Deventer 1959-2-28 Humboldt Patrick's Point on Coastal Bluff Comment
  UC1198652  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6143 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UC1225896  Arctostaphylos columbiana Joseph P. Tracy 1945-5-15 17510 Humboldt Kneeland Prairie 670 Comment
  UC1225898  Arctostaphylos columbiana Joseph P. Tracy 1947-5-24 17693 Humboldt Devil's Canyon Big Lagoon 152 Comment
  UCD51037  Arctostaphylos glandulosa Joseph M. DiTomaso 1976-3-28 348 Humboldt West side of Lord Ellis summit on State Highway 299 between Arcata and Willow Creek. 762 Comment
  RSA47100  Arctostaphylos intricata Doris K. Kildale 1926-2-28 1521 Humboldt McDowell Butte - Kneeland. Comment
Read comments
Jul 25 2012
  BLMAR54  Arctostaphylos manzanita Jennifer Anthony-Wheeler 1994-2-14 54 Humboldt King range, growing along KR rd approx 2mi from rd end 228 Comment
  HSC100093  Arctostaphylos manzanita J. P. Smith, J. O. Sawyer 2010-3-22 12710 Humboldt Along Hwy. 36, E of Dinsmore. 734 Comment
  RSA633021  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27801 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  UCSB11765  Arctostaphylos manzanita Nelson, R. 1950-7-26 Humboldt 0.5 mile northwest of Neafus Peak 762 Comment
  CAS-BOT-BC24367  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1926-9-5 2614 Humboldt Lesseck's Peaks. 1371 Comment
  CAS-BOT-BC24371  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-3-10 2993 Humboldt Dobbyns Creek. Comment
  CAS-BOT-BC38837  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1920-9-14 s.n. Humboldt Mts. near Willow Creek (1st ridge west of Trinity River on Willow Creek Road) Comment
  SEINET11989136  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1982-1 4517 Humboldt Tilden Botanic Garden, Berkeley, orig. from French Camp on road between Orick & Wichepec Comment
  UC585901  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8136 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC46638  Arctostaphylos patula C. Hart Merriam 1919-8-10 s.n. Humboldt Wetchpek, Klamath Canyon. Comment
  CAS-BOT-BC46196  Arctostaphylos stanfordiana L. B. Kildale 1930-8-3 s.n. Humboldt Chaparral Mt. at Bug Creek. Comment
  CAS-BOT-BC43985  Arctostaphylos uva-ursi Joseph P. Tracy 1945-5-10 17506 Humboldt Eureka 45 Comment
  CAS-BOT-BC47207  Arctostaphylos uva-ursi W. R. Dudley 1899-6-1 s.n. Humboldt Eureka penisnula. Comment
  CAS-BOT-BC47212  Arctostaphylos uva-ursi John Thomas Howell 1954-4-25 29157 Humboldt Little River. Comment
  HSC7726  Arctostaphylos uva-ursi J. W. Johnson 1962-3-31 1196 Humboldt Ridge 8, W.M. Lanphere Farm, Samoa Peninsula, Arcata Comment
  RSA122503  Arctostaphylos uva-ursi H. S. Yates 1936-6-16 5661 Humboldt 1 mile S.W. of Samoa. Comment
  SD41455  Arctostaphylos uva-ursi Edith A. Purer 1932-7-26 4131 Humboldt Samoa Comment
  UCD52029  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17500 Humboldt 45 Comment
  RSA47099  Arctostaphylos uva-ursi var. coactilis Doris K. Kildale 1925-9-28 1358 Humboldt Samoa Comment
  SEINET11987137  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 3993 Humboldt Tilden Botanic Garden, Berkeley, orig. from Table Bluffs near Eureka Comment
  SEINET11987494  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4213 Humboldt Strybing Arboretum, Golden Gate Park, San Francisco, orig. probably from near Samoa Comment
  HSC59030  Arctostaphylos viscida M. A. Baker 1979-6-7 795 Humboldt NE slope of Telescope Peak 1189 Comment
  UC668115  Arenaria serpyllifolia subsp. serpyllifolia Joseph P. Tracy 1933-5-18 12192 Humboldt near Blue Lake; Mad River 15 Comment
  HSC16899  Armeria maritima subsp. californica S. J. Hawks 1965-3-9 42 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  CAS-BOT-BC82102  Arnica cernua Joseph P. Tracy 1938-6-13 15902 Humboldt Horse Mountain 1432 Comment
  HSC48988  Arnica discoidea M. A. Baker 1979-5-25 763 Humboldt Comment
  UC166070  Arnica discoidea Joseph P. Tracy 1911-7-11 3513 Humboldt hills near Supply Creek; Hoopa Valley 182 Comment
  HSC100423  Arnica parviflora Carl C. Marshall Jun 1886 281 Humboldt Mud Spring Camp. Comment
  HSC98764  Artemisia douglasiana Cara Witte 2008-9-13 1036 Humboldt Forest Service Road 4N06. 1/4 mile east of intersection with National Forest 1. Cow Creek Ridge. 1283 Comment
  RSA424565B  Artemisia douglasiana Thomas S. Elias, Barbara A. Elias 1987-8-26 10628 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge Comment
  RSA34238  Artemisia pycnocephala C. B. Wolf 1927-8-29 1206 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  JEPS17992  Artemisia pycnocephala George B. Rossbach 1955-6-10 513 Humboldt near lagoon and lighthouse Humboldt Bay (between Fairhaven and end of sandy point off Eureka) Comment
  SEINET4343124  Artemisia tridentata subsp. wyomingensis Leila M. Shultz, John S. Shultz 1987-9-17 10750 Humboldt South of I-80, mile post 200 Comment
  JEPS45626  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  CAS-BOT-BC400529  Asarum caudatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  HSC58082  Asarum caudatum G. L. Clifton, Griswold 1979-8-1 11986 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC58163  Asarum caudatum G. L. Clifton, Griswold 1979-8-2 12227 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  POM118567  Asarum caudatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SEINET6652459  Asarum caudatum R. R. Halse 2011-3-25 8163 Humboldt Along U.Sl. Hwy 101 ca 2.8 miles S of Stafford, near Exit 674. 74 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  UC1197610  Asclepias cordifolia Joseph P. Tracy 1935-7-31 14392 Humboldt ridge connecting Trinity Summit with Salmon Summit; Devil's Backbone 1676 Comment
  UC162774  Aspidotis densa Joseph P. Tracy 1911-7-6 3354 Humboldt along rd between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  RSA273373  Aspidotis densa Thomas W. Nelson, Jane Nelson 1976-7-1 2906 Humboldt North of Bear Creek 1463 Comment
  HSC95155  Astragalus agnicidus Gordon Leppig 2003-7-10 2004 Humboldt Pacific Lumber Co. land, common along logging road and landing 700 Comment
  RSA0006694  Astragalus agnicidus R. C. Barneby 1954-5-19 11570 Humboldt Over ridge on Henry Tosten ranch near Bear Buttes area. 4 miles south of Miranda. 762 Comment
  CAS-BOT-BC186562  Astragalus nuttallii var. virgatus F. H. Utech 1986-5-23 86 -385 Humboldt King Mountain Range: 0.5 mi NNW on Kings Peak Road (Humboldt Co. hwy C4A) from junction with Shelter Cove Road 600 Comment
  RSA0089849  Astragalus umbraticus Dean Wm. Taylor 2009-7-14 20674 Humboldt vicinity Lake Prairie, reached via Guy Kerr Ranch Road off Snow Camp Road. 1133 Comment
  HSC3820  Asyneuma prenanthoides Paul Shields Aug 1955 Humboldt 3 mi. N of Weott Comment
  CAS-BOT-BC69520  Athyrium filix-femina subsp. cyclosorum L. R. Abrams 1916-7-11 6053 Humboldt At mouth of Grizzly Creek on Van Duzon River. Comment
  CAS-BOT-BC69454  Athyrium filix-femina subsp. cyclosorum Henry M. Pollard 1947-8-28 s.n. Humboldt Perch Creek Canyon, w. Orleans. Comment
  UC1198291  Athysanus pusillus Joseph P. Tracy 1922-5-14 6048 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCR37541  Athysanus pusillus L. P. Janeway 1983-5-21 300 Humboldt Above Titlow Hill Road. 3.3 mi south of Hwy 299 1250 Comment
  UC162361  Atriplex gmelinii var. gmelinii Joseph P. Tracy 1911-11-5 3555 Humboldt near mouth Mad River Slough (region about Humboldt Bay); Northern Coast Region, Humboldt Bay, Mad River Slough 0 Comment
  CDA23295  Atriplex patula var. obtusa Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh Comment
  HSC97550  Atriplex prostrata Ivy Watson 2008-10-11 56 Humboldt Mad river, near river mouth, S bank 6 Comment
  UC1103328  Avena barbata Joseph P. Tracy 1923-5-20 6217 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UCD56239  Avena barbata A. A. Beetle; G. L. Stebbins. 1942-6-3 3485 Humboldt Near Garberville. 1.4 miles on road to Harris. Comment
Read comments
Jan 21 2009
  SEINET10668635  Baccharis Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 486 Humboldt Collected by Hwy. 101, N side of Orick. Rocky area, densely forested by river. 30 Comment
  HSC66403  Baccharis douglasii Ruby Van Deventer 1960-8-15 Humboldt Myers Flat 122 Comment
  SEINET946131  Baccharis douglasii S. P. McLaughlin, Damien Ravetta 1991-1 6553 Humboldt Northwest end of Humboldt Bay, along Hwy 255 S of Arcata at Vance Road; Near jct. Hwy 101 and Elk River Road Comment
  RSA46911  Baccharis pilularis Doris K. Kildale 1925-12-25 1441 Humboldt Mouth of Eel River Comment
  HSC7002  Barbarea verna W. F. Nickel 1965-4-22 Humboldt HSU campus between the Wildlife and Biological Science buildings Comment
  HSC29726  Bellardia trixago J. D. Ackerman, A. M. Montalvo 1973-5-6 74 Humboldt Avenue of the Giants, Redcrest Comment
  CAS-BOT-BC106353  Bellis perennis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  UC1561835  Bellis perennis Barbara Ertter with Thomas J. Delendick 1987-5-16 6917 Humboldt Hwy 299 roadside 8 mi e Arcata (9 1/2 mi w of Lord Ellis Summit) Comment
  HSC75814  Bensoniella oregona Bill Copeland 1980-6-26 308 Humboldt Near Murphy Meadow 914 Comment
  BLMAR722  Berberis aquifolium var. repens Jennifer Wheeler 2014-4-9 722 Humboldt Lacks Creek, Along Pine Ridge Rd 1091 Comment
  HSC31651  Berberis nervosa Timothy B. Devine 1974-5-4 321 Humboldt 1/4 mi. N of junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC3348  Berberis nervosa Eugene Andreuccetti 1964-5-2 36 Humboldt 5 mi. W of Willow Creek on Hwy. 299 Comment
  HSC3354  Berberis nervosa S. Estes 1964-4-25 31 Humboldt May Ranch, 2 mi. N of Bridgeville 305 Comment
  HSC57157  Berberis nervosa Overton, Butler 1979-7-26 9956 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  HSC81928  Berberis nervosa Thomas W. Nelson, Jane Nelson 1979-7-3 4951 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  CAS-BOT-BC75810  Berberis pinnata Harley P. Chandler 1901-6-1 1277 Humboldt North Coast Ranges. Hupa Indian Reservation. 1097 Comment
  CHSC23180  Berberis pinnata Robert F. Thorne; P. Everett 1965-8-5 35141 Humboldt 5.2 mi. N of junction of Horse Mt. and Shelter Cove Roads. 457 Comment
  HSC102084  Bistorta bistortoides M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 988 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC370622  Blechnum spicant H. E. Parks 1925-6-20 3231 Humboldt Orick Comment
  UC1198303  Boechera platysperma Joseph P. Tracy 1935-6-28 14325 1/2 Humboldt Head of Devils Hole Trinity Summit 1828 Comment
  HSC70782  Boschniakia strobilacea Gail Newton 1980-7-24 1768 Humboldt Near Somes Mtn. 1615 Comment
  HSC78085  Botrychium multifidum var. intermedium L. P. Janeway, Amy Eisenberg 1984-4-25 748 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven rds. 3 Comment
  HSC76195  Boykinia major Overton, Butler 1979-8-2 12503 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  RSA466744  Boykinia major Anstruther Davidson 1918-07 3340 Humboldt Eel River. Comment
  CAS-BOT-BC420261  Boykinia occidentalis Ira L. Wiggins 1930-7-22 4694 Humboldt along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  CHSC33047  Boykinia occidentalis James. P. Smith 1973-1-1 6845 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  RSA109288  Boykinia occidentalis H. E. Parks, Susan T. Parks 1952-06 24451 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC14495  Boykinia occidentalis W. C. Blasdale 1896-6-1 Humboldt Freshwater Comment
  UC207730  Boykinia occidentalis Joseph P. Tracy 1918-7-5 5002 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  CDA1775  Briza maxima T. C. Fuller 1966-5-24 14710 Humboldt 2 miles north of Trinidad. 0 Comment
  HSC9093  Briza minor R. Spellenberg 1965-6-13 1108 Humboldt Along highway, 2 mi. S of Hoopa Comment
  HSC9101  Briza minor Paul Shields Aug 1955 Humboldt 2 mi. S of Weott Comment
  JEPS72933  Briza minor Lincoln Constance 1934-5-23 611 Humboldt se slope of mt. above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  HSC24375  Brodiaea elegans subsp. elegans J. O. Sawyer 1970-6-24 2245 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC74668  Brodiaea elegans subsp. elegans Gail Newton 1981-8-7 2433 Humboldt Near Bug Creek 1042 Comment
  UC1197747  Brodiaea elegans subsp. elegans Joseph P. Tracy 1924-8-6 6780 Humboldt garden of Joseph P. Tracy, Eureka Comment
  UC180492  Bromus carinatus var. carinatus Joseph P. Tracy 1913-6-22 4274 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  UC187098  Bromus carinatus var. carinatus Joseph P. Tracy 1900-6-5 850 Humboldt immediate vicinity of Eureka 0 Comment
  UC37586  Bromus carinatus var. carinatus Joseph Burtt Davy 1899-6-8 5351 Humboldt near Bell's Springs Comment
  UC526863  Bromus carinatus var. carinatus Joseph P. Tracy Jul 16 1930-Jul 19 1930 9047 Humboldt near Blake Lookout (Northern Coast Ranges. South Fork Mountain, along summit); Northern Coast Ranges. South Fork Mountain 1737 Comment
  UCD59147  Bromus carinatus var. marginatus A. H. Shunk 1923-7-21 s.n. Humboldt Bridgeville. 328 Customs House. Comment
  UC188939  Bromus commutatus J. Burtt Davy 1899-6-16 5555 Humboldt North Coast Ranges, Scotia Scotia; North Coast Ranges, Scotia Comment
  UC526930  Bromus commutatus Joseph P. Tracy 1932-6-4 10135 Humboldt Northern Coast Ranges, Bridgeville Bridgeville; Northern Coast Ranges, Bridgeville 228 Comment
  HSC79464  Bromus hordeaceus Kenneth Clark 1980-4-18 610 Humboldt Along access trail to Dead Man's Gulch, above gulch. 137 Comment
  UC1103365  Bromus hordeaceus Joseph P. Tracy 1905-6-4 2187 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  HSC2600  Bromus inermis William J. Ferlatte, B. D. Rogers 1966-8-15 3123 Humboldt 6 mi. E of Korbel; Cutoff Red wood Comment
  HSC99558  Bromus laevipes K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 223 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC525675  Bromus madritensis subsp. rubens Joseph P. Tracy 1933-6-25 12623 Humboldt 2 to 5 mi e of South Fork (along Eel River, Camp Grant); Eel River, Camp Grant 45 Comment
  SEINET200827 Image available Bromus sterilis Joseph P. Tracy 1916-5-31 4698 Humboldt Along Eel River from South Fork to Scotia. Holmes Flat. Comment
  CAS-BOT-BC185522  Bromus vulgaris Harley P. Chandler 1901-5-1 1177 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  CAS-BOT-BC185524  Bromus vulgaris Joseph Burtt Davy; Walter C. Blasdale 1899-6-10 5406 Humboldt North Coast Ranges. Hubbards Station. Comment
  UC180218  Bromus vulgaris Joseph P. Tracy 1913-6-21 4253 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC31451  Cacaliopsis nardosmia D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5569 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC40408  Cakile maritima Linda M. Barker 1976-6-22 1627 Humboldt 3 mi. W of Arcata Comment
  HSC64071  Cakile maritima J. P. Smith 1971-10-6 4956 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC95096  Cakile maritima Andrea Pickart 2002-7-2 150 Humboldt King Salmon Sand Spit 0 Comment
  UC1198279  Cakile maritima Joseph P. Tracy 1946-1-13 17517 Humboldt Centerville Beach 3 Comment
  HSC74068  Calamagrostis foliosa Joyce Walker 1980-5-7 Humboldt Four Mile Creek Comment
  UCD56962  Calamagrostis foliosa A. H. Murphy 1951-5-18 38 Humboldt Mattole River, second bridge upstream, ca. 1 mile south of Petrolia. Comment
  UC1103287  Calamagrostis nutkaensis Joseph P. Tracy 1918-7-21 5079 Humboldt Humboldt Hill Northern Coast Ranges, <area> around Humboldt Bay 182 Comment
  UC526776  Calamagrostis nutkaensis Joseph P. Tracy 1925-7-5 7174 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC70880  Calamagrostis nutkaensis Joseph Burtt Davy and Walter C. Blasdale 1899-8-1 6215 Humboldt Eureka Comment
  HSC12858  Callitropsis nootkatensis M. Athey, D. La Conte 1970-11-28 4 Humboldt HSU campus Comment
  CAS-BOT-BC80390  Calocedrus decurrens Doris K. Kildale 1926-9-5 2610 Humboldt Lasseck's Peaks - at Goat Camp 1661 Comment
  OBI7412  Calocedrus decurrens H. Wiedman 1966-1 s.n. Humboldt Near the Hoopa Valley Indian Reservation 366 Comment
  CAS-BOT-BC488458  Calochortus amabilis V. Rattan 1882-6-1 s.n. Humboldt Humboldt County Comment
  SEINET4169782  Calochortus catalinae Unknown 1930-7-6 Humboldt Kneeland Praire 762 Comment
  UC1103462  Calochortus coeruleus Joseph P. Tracy 1930-7-17 9027 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC32949  Calochortus tolmiei Thomas W. Nelson, James Nelson 1973-5-28 961 Humboldt McKeown Ranch N of Dinsmore Comment
  UC14999  Calochortus tolmiei Mrs. M. H. Manning Apr 1901 10 Humboldt near Hupa Comment
  CAS-BOT-BC494355  Calochortus tolmiei Doris K. Kildale 1927-5-13 3248 Humboldt Redwood creek at Berngs' 289 Comment
  HSC45281  Calochortus tolmiei Clifton Raymond Chesbrough 1971-7-19 57 Humboldt 1.0 mi. N of Trinidad near ocean Comment
  SEINET6879028  Calochortus tolmiei W. P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  UC195348  Calochortus vestae Joseph P. Tracy 1916-6-19 4713 Humboldt Bosworth's Ranch Northern Coast Ranges, Laribee Creek 457 Comment
  UC1196207  Caltha biflora Joseph P. Tracy 1933-7-16 12779 Humboldt Northern Coast Ranges. At McKay Camp, South Fork Mountain. 1676 Comment
  CAS-BOT-BC275366  Calycadenia truncata var. truncata Doris K. Kildale 1925-7-4 982 Humboldt Redwood Creek at [Bern?'s] Comment
  HSC39966  Calypso bulbosa Linda M. Barker 1976-3-22 1347 Humboldt 3 mi. W of Arcata Comment
  RSA381907  Calypso bulbosa Pearl Ryan 1917-6-1 s.n Humboldt Hoopa Comment
  HSC45315  Calypso bulbosa R. A. Vanbianchi 1972-4-14 Humboldt Tiptop Ridge, directly E of the town of Fieldbrook Comment
  HSC17640  Calyptridium monospermum Doris K. Kildale 1925-8-16 1227 Humboldt Trinity Summit 1829 Comment
  CDA38662  Calystegia silvatica David Juliano 2010-6-17 PDR# 1535024 Humboldt Eureka. 0 Comment
  RSA21032  Calystegia soldanella C. B. Wolf 1937-6-18 8902 Humboldt Centerville Beach. 3 Comment
  CAS-BOT-BC497299  Camassia leichtlinii var. suksdorfii Joseph P. Tracy 1930-7-17 9000 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1676 Comment
  UC144061  Camissonia contorta Joseph P. Tracy 1905-6-11 2191 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay 0 Comment
  UC144073  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joseph P. Tracy 1901-8-7 1263 Humboldt Humboldt Bay Northern Coast Region (ocean beach) Comment
  UC602536  Campanula prenanthoides Joseph P. Tracy 1927-8-14 8330 Humboldt Big Lagoon 121 Comment
  SEINET10905930  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt Hoopa Valley Comment
  POM193020  Campanula scouleri M. H. Manning 1901-07 s.n. Humboldt Near Hupa Comment
  SBBG7446  Campanula scouleri H. and M. Dearing 1939-6-27 3729 Humboldt near Dinsmore on Van Dusen River Comment
  SEINET10463754  Campanula scouleri Baker 1979-6-29 Baker 956 Humboldt Hopkin's Creek. T9N R5E Sec.3 760 Comment
  HSC6689  Cardamine californica E. W. Styskel 1963-4-20 16 Humboldt 3 mi SE of Korbel on Snow Camp Rd. 290 Comment
  HSC6692  Cardamine californica D. E. Anderson 1962-3-18 1941 Humboldt Jacoby Creek Comment
  HSC6699  Cardamine californica D. E. Anderson 1965-6-1 3766 Humboldt Horse Mountain. 1220 Comment
  UC162350  Cardamine californica J. P. Tracy 1905-2-26 2145 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  HSC6641  Cardamine oligosperma Gerald T. Rood 1962-5-11 3 Humboldt Kneeland Rd., 0.25 mi. E of Barry Rd. Comment
  CDA18246  Carduus tenuiflorus G. D. Barbe, T. C. Fuller 1974-6-18 1884 Humboldt North Coast Ranges; Fortuna bottoms, Grizzly Bluff; Waddington Rd. 1/4 mi N of Pleasant Point Rd. (Ferndale Bottoms) 2 mi N of Grizzly Bluff Rd. 0 Comment
  HSC5227  Carduus tenuiflorus W. D. Stevens 1967-7-22 56 Humboldt Above the dirt road from old Hwy. 101 to the top of the N bank of the Mad River Comment
  CAS-BOT-BC18516  Carex abrupta Joseph Prince Tracy 1932-7-14 10546 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  HSC76378  Carex aquatilis var. dives L. P. Janeway 1982-8-7 117 Humboldt Dry Lagoon, middle of lagoon 3 Comment
  UC50827  Carex arcta J. P. Tracy 1901-6-30 1195 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC18073  Carex athrostachya Joseph Prince Tracy 1934-7-18 13426 Humboldt North Coast Ranges. Grouse Mountain. 1524 Comment
  UC1103082  Carex athrostachya Joseph P. Tracy 1933-8-30 13019 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC98945  Carex athrostachya Cara Witte 2008-7-25 933 Humboldt Friday Ridge Rd. (6N08). Approximately 1 mile east of intersection with Forest Service Road 5N10. 1325 Comment
  RSA91675  Carex athrostachya Joseph P. Tracy 1935-7-27 14306 Humboldt Trinity Summit, open places at McKay Prairie. 1585 Comment
  UC562313  Carex barbarae Joseph P. Tracy 1934-8-14 13587 Humboldt South Fork of Eel River, between Miranda and Redway 91 Comment
  CDA33036  Carex barbarae F. Wetherbee 1962-5-1 Humboldt Ferndale. 0 Comment
  HSC43238  Carex bolanderi R. Sutherland 1977-4-5 5477 Humboldt 386 Comment
  RSA246870  Carex bolanderi Robert F. Thorne, Percy C. Everett 1965-8-5 35128 Humboldt Wailaki Recreation site. 518 Comment
  UC562712  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt on ridge 2 mi sw top; Salmon Summit 1767 Comment
  CAS-BOT-BC19613  Carex brainerdii Joseph Prince Tracy 1937-7-24 15525 Humboldt Trinity Summit. Head of Devil's Hole. 1767 Comment
  CAS-BOT-BC19614  Carex brainerdii Joseph Prince Tracy 1937-7-24 15525 Humboldt Trinity Summit. Head of Devil's Hole. 1767 Comment
  CAS-BOT-BC110193  Carex buxbaumii Robert F. Thorne; P. Everett 1965-8-7 35182 Humboldt Big Lagoon. At south end of lagoon. 1 Comment
  CAS-BOT-BC34436  Carex deflexa var. boottii Joseph Prince Tracy 1939-5-14 16292 Humboldt Dinsmores. Along Van Duzen River. 731 Comment
  CAS-BOT-BC34984  Carex densa Alice Eastwood; John Thomas Howell 1937-6-22 4735 Humboldt Near Alder Point. Comment
  HSC7163  Carex echinata subsp. phyllomanica Walker 1960-8-16 Humboldt 7 mi., K & K Comment
  CAS-BOT-BC19969  Carex exsiccata Doris K. Kildale 1927-7-23 3797 Humboldt Hoaglin Lake near Lassecks Peaks [Signal Peak]. Comment
  SEINET7558591 Image available Carex feta Andrew L. Hipp 1999-5-31 457 Humboldt Alder Point, Alder Pt Rd ca 5 mi W of Alder Pt. Comment
  HSC43478  Carex feta Thomas W. Nelson 1976-7-9 2999 Humboldt Along W side of ridge S of E peak of Lassic Mtn., (Signal Peak). 1524 Comment
  SEINET7559345 Image available Carex fracta L. P. Janeway 2003-7-30 7942 Humboldt Grouse Mountain Quad, High North Coast Range, on northeast side of Titlow Hill Road, across from a small pond, on the map but un-named, 1.1 km south of Cold Spring. 1426 Comment
  UC585645  Carex fracta Joseph P. Tracy 1937-7-25 15542 Humboldt head of Little Hors-Linto Creek Trinity Summit 1371 Comment
  CAS-BOT-BC20872  Carex globosa Joseph Prince Tracy 1929-6-3 8605 Humboldt North Coast Ranges. Willow Creek Canyon. Mouth of East Fork. 487 Comment
  SEINET10752907  Carex globosa Joseph P. Tracy 1932-4-23 Tracy 9832 Humboldt Englewood. 91 Comment
  UC303145  Carex globosa Joseph P. Tracy 1925-6-7 7064 Humboldt East Fork of Willow Creek Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC562714  Carex globosa Joseph P. Tracy 1932-4-3 9791 Humboldt Englewood North Coast Ranges 91 Comment
  UCSC000105  Carex globosa H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Arcata - Eureka Comment
  UC1108985  Carex gynodynama H. E. and S. T. Parks May, 1937 5813 Humboldt Spruce Cove, Trinidad, near sea level. Comment
  CAS-BOT-BC146591  Carex gynodynama H. D. Ripley; R. C. Barneby 1945-6-16 6812 Humboldt 2.5 miles N. of Miranda Comment
  UC303143  Carex harfordii H. E. Parks and Joseph P. Tracy 1925-6-13 7095 Humboldt Eureka Northern Coast Ranges, Eureka 30 Comment
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Sep 15 2010
  CAS-BOT-BC7790  Carex laeviculmis Joseph Prince Tracy 1930-7-16 8985 Humboldt South Fork Mountain. At McKay Camp. 1676 Comment
  HSC99369  Carex lenticularis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 18 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1103625  Carex lenticularis var. limnophila Joseph P. Tracy with H. E. Parks 1924-8-3 6766 Humboldt Big Lagoon Northern Coast Region 6 Comment
  HSC48374  Carex leptopoda D. H. Norris May 1970 12458 Humboldt Upper reaches of Freshwater Lagoon, S of Orick Comment
  CAS-BOT-BC539862  Carex mendocinensis Alice Eastwood; John Thomas Howell 1937-6-24 4866 Humboldt 5 mi E of Berry Summit Comment
  HSC102622  Carex microptera M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1609 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC103071  Carex microptera Sydney Carothers 2014-6-12 10 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  CAS-BOT-BC32130  Carex multicaulis Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  HSC98955  Carex multicaulis Cara Witte 2008-7-3 826 Humboldt Friday Ridge Road/ 6N08. Approximately 1 mile north of intersection with National Forest 1. 1567 Comment
  CHSC106515  Carex nudata Peter F. Zika 2009-6-15 24490 Humboldt Outer North Coast Range (NCoRO). S bank of Mad River, near Hatchery Road, S of town of Blue Lake. 20 Comment
  CAS-BOT-BC119383  Carex obnupta David Daniels Keck 1938-8-5 4770 Humboldt Big Lagoon Comment
  CAS-BOT-BC119387  Carex obnupta Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  HSC7069  Carex obnupta S. J. Hawks, D. E. Anderson 1965-5-18 14 Humboldt 1/4 mi. W of Fairhaven Comment
  HSC76819  Carex obnupta L. P. Janeway 1982-8-7 112 Humboldt Along Prairie Creek, ~5 mi. N of Prairie Creek Campground along Hwy. 101 183 Comment
  HSC91620  Carex obnupta E. Mackey 1986-6-16 Humboldt Patrick's Point State Park, beach N of Wedding Rock Comment
  UC1026440  Carex obnupta Frank W. Peirson 1941-7-28 13108 Humboldt Patrick Pt. State Park Comment
  CAS-BOT-BC119239  Carex pachystachya Joseph Prince Tracy 1939-7-9 16324 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  UC1115801  Carex pachystachya Joseph P. Tracy 1939-7-9 16325 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC1103124  Carex pansa J. P. Tracy 1900-6-5 853 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC118599  Carex praticola Joseph Prince Tracy 1936-5-29 14826 Humboldt Gans Prairie, on ridge E of Orick, in grassy flat. 548 Comment
  HSC82401  Carex scopulorum var. bracteosa Thomas W. Nelson 1979-7-11 5013 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC1103624  Carex scopulorum var. bracteosa Joseph P. Tracy 1935-7-26 14263 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  UC213329  Carex scopulorum var. bracteosa Joseph P. Tracy 1919-9-25 5298 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  HSC98943  Carex serratodens Cara Witte 2007-6-4 196 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC1152080  Carex serratodens Joseph P. Tracy 1950-6-25 18893 Humboldt near Sproston Place (on the road to the Albee Place, 3 mi s of Burr Valley); Buck Mountain 1158 Comment
  HSC45953  Carex straminiformis J. P. Smith, Steve Selva 1970-6-30 4126 Humboldt Comment
  UC1103097  Carex subbracteata J. P. Tracy 1900-6-25 861 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC116904  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-23 4808 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC116907  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-22 4725 Humboldt Near Harris Comment
  UC562627  Carex unilateralis Joseph P. Tracy 1933-6-9 12539 Humboldt Fortuna 18 Comment
  UCD129942  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie, on ridge 1 m. north above Bull Creek, ca. 2 miles west of Dyerville. Comment
  UC162563  Castilleja Joseph P. Tracy 1911-5-30 3199 Humboldt Eureka; Northern Coast Region 0 Comment
  UC1196855  Castilleja Joseph P. Tracy 1929-7-4 8634 Humboldt French Camp Ridge 1066 Comment
  BLMAR271  Castilleja affinis subsp. affinis Jennifer Anthony-Wheeler 1995-6-30 271 Humboldt Lacks Creek 1219 Comment
  UC179946  Castilleja affinis subsp. affinis Joseph P. Tracy 1914-5-14 4434 Humboldt Fort Seward; North Coast Ranges 121 Comment
  BLMAR667  Castilleja affinis subsp. litoralis Jennifer Wheeler 2012-7-12 667 Humboldt King range, Strawberry rock 253 Comment
  JEPS57403  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1968-7-4 1979 Humboldt n end Big Lagoon Comment
  UC1196854  Castilleja affinis subsp. litoralis Joseph P. Tracy 1920-7-4 5342 Humboldt mouth of Little River; Northern Coast Ranges 15 Comment
  CHSC68560  Castilleja ambigua subsp. humboldtiensis Vernon H. Oswald 1997-4-29 8351 Humboldt Near seal level. Humbolt Bay NWR, levee north of Long Pond along the arm of South Humbolt Bay separating Teal Island from the main part of the refuge. Comment
  HSC20839  Castilleja ambigua subsp. humboldtiensis D. E. Anderson 1962-5-10 2208 Humboldt Lanphere's Comment
  HSC59457  Castilleja ambigua subsp. humboldtiensis M. A. Ericksen 1979-5-18 300 Humboldt Across from Bayside cutoff and Hwy. 101 Jct., Jct. between Arcata and Eureka Comment
  HSC90430  Castilleja ambigua subsp. humboldtiensis Jean Hanson 1980-6-22 97 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  JEPS9134  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1938-7-15 16068 Humboldt Mouth of Eel River 3 Comment
  HSC55752  Castilleja applegatei G. L. Clifton, Griswold 1979-7-26 10284 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  JEPS3616  Castilleja applegatei subsp. martinii Clyde Ritchie Bell 1951-4-21 1036 Humboldt Just south of Somes Bar and immediately south of the Siskiyou-Humboldt County line, along Calif. State Highway 96 (Klamath River Road). Comment
  JEPS3826  Castilleja applegatei subsp. martinii Joseph P. Tracy 1932-5-22 10118 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC1238991  Castilleja applegatei subsp. martinii Freed W. Hoffman 1949-7-15 3009 Humboldt e slope Mule Slide (a little s of Blue Ridge); North Coast Ranges, Mt. Lassic Area Comment
  HSC64182  Castilleja applegatei subsp. pinetorum J. O. Sawyer, M. A. Ericksen 1979-6-23 3393 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  HSC38395  Castilleja attenuata J. D. Ackerman 1975-6-10 447 Humboldt 1 mi. N of Samoa Blvd. and Samoa Bridge Rd., S of Manila near RR tracks, along Humboldt Bay Comment
  HSC95078  Castilleja exserta subsp. latifolia Andrea Pickart 2002-6-4 114 Humboldt N Spit Dunes 0 Comment
  RSA183597  Castilleja franciscana D. E. Anderson 1962-7-10 2244 Humboldt Luffenholtz Beach, about 2 miles south of Trinidad along old 101 highway. Comment
  UC1222828  Castilleja pruinosa Joseph P. Tracy 1950-7-2 18978 Humboldt below Grizzly Camp (at crossing of Little Hors Linto Creek); Little Hors Linto Creek Comment
  HSC20868  Castilleja rubicundula subsp. lithospermoides G. N. Bos 1965-5-2 244 Humboldt 8 mi. E of Korbel on Bald Mtn. Rd. 793 Comment
  SEINET10582751  Castilleja wightii subsp. rubra Rimo Bacigalupi, Lawrence R. Heckard 1964-7-27 Bacigalupi 8962 Humboldt Shaded bend of road just (1/8 mile) above and east of Shelter Cove. On partly shaded n.-facing road bank. Comment
  UC1502112  Ceanothus R. Sutherland 1976-1-30 4 .30.76 Humboldt Pt. Delgada Quad. 990 Comment
  HSC35785  Ceanothus cordulatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2098 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  HSC40884  Ceanothus cordulatus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2869 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  UC1193335  Ceanothus cordulatus P. Zinke 1950-10-9 77 Humboldt King Peak King Peak Quad. 28D1 1280 Comment
  SEINET7720971  Ceanothus cuneatus Chesnut, Drew 1888-8-1 Humboldt Grouse Creek Comment
  CHSC105181  Ceanothus cuneatus var. cuneatus B. Castro; L. P. Janeway 1996-8-4 705 Humboldt Just off W boundary of Six Rivers NF, near Horse Mtn. Along Titlow Hill Rd (Rd #1), on sharp curves in road near a 'lookout' point. 1280 Comment
  RSA25803  Ceanothus foliosus Carl B. Wolf 1941-7-29 11093 Humboldt Along the Redwood Hwy, 0.7 mile N of jct with Hwy 1 from Ft. Bragg 61 Comment
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Jun 7 2011
  UC1502134  Ceanothus foliosus R. Sutherland 1975-5-28 10 Humboldt near Tolken Camp Pt. Delgada quad. 502 Comment
  UCR101304  Ceanothus foliosus subsp. foliosus L. C. Wheeler 1959-8-1 7619 Humboldt Queens Peak Mine Comment
  CAS-BOT-BC50041  Ceanothus incanus C. Hart Merriam 1920-8-30 s.n. Humboldt South Fork Eel River near Garberville (near old bridge) Comment
  HSC37053  Ceanothus incanus R. Sutherland 1975-5-26 1 .26575 Humboldt 305 Comment
  UC668165  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek; near Bosworth's 304 Comment
  UCD112172  Ceanothus incanus J. E. Street 1950-6-24 s.n. Humboldt Honeydew. Comment
  UCD112173  Ceanothus incanus J. E. Street 1950-6-24 s.n. Humboldt Honeydew. Comment
  UCR270274  Ceanothus integerrimus John F. Emmel 2003-7-30 1800 Humboldt near southeast boundary of Redwood National Park, Bald Hills Road, 19.5 road miles SE of Hwy 101 960 Comment
  HSC97627  Ceanothus integerrimus var. integerrimus Cara Witte 2007-6-5 209 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1.25 miles south of intersection with 5N04. 1405 Comment
  CAS-BOT-BC51207  Ceanothus parryi W. R. Dudley 1899-6-20 s.n. Humboldt Bull Creek, by road Comment
  CAS-BOT-BC51212  Ceanothus parryi Carl B. Wolf 1941-7-28 11092 Humboldt Slopes along Eel River, 1 mi. so. of Miranda. 30 Comment
  POM283003  Ceanothus parryi Lyman Benson 1928-7-12 394 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 76 Comment
  UC1193306  Ceanothus parryi K. Cuff 1950-8-24 123 Humboldt 2 mi n Phillipsville; Quad. 29C1, n of Phillipsville 213 Comment
  UC502946  Ceanothus parryi Joseph P. Tracy 1932-5-1 9865 Humboldt vicinity Garberville; Northern Coast Ranges, vicinity of Garberville 121 Comment
  CAS-BOT-BC52046  Ceanothus prostratus Doris K. Kildale 1926-4-25 1811 Humboldt Hoopa Mountain 792 Comment
  HSC55600  Ceanothus pumilus Overton, Butler 1979-7-23 9414 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  CAS-BOT-BC52216  Ceanothus thyrsiflorus Doris K. Kildale 1926-4-11 1753 Humboldt Blue Slide in the Van Duzen River Comment
  RSA398934B  Ceanothus thyrsiflorus Bonnie C. Templeton 1964-6-13 10087 Humboldt Lighhouse Point, Trinidad Head. Comment
  CAS-BOT-BC52866  Ceanothus velutinus Joseph P. Tracy 1935-5-12 13798 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC582507  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Eureka 60 Comment
  UC166067  Centaurea melitensis Joseph P. Tracy 1911-7-4 3297 Humboldt along creek, near its mouth Willow Creek (tributary of Trinity River); North Coast Ranges, Trinity River, Willow Creek 182 Comment
  HSC61725  Centaurea solstitialis Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 198 Comment
  RSA167189  Centaurea solstitialis Joseph P. Tracy 1943-11-28 17452 Humboldt Eel River bar at mouth of Van Duzen near Alton Comment
  OBI14120  Centaurium erythraea Joseph P. Tracy 1948-9-26 18236 Humboldt Fickle Hill, 6 mi SE of Arcata Comment
  UC906759  Centaurium muehlenbergii Joseph P. Tracy 1942-6-15 17155 Humboldt Garberville 152 Comment
  JEPS46931  Centaurium muehlenbergii Joseph P. Tracy 1931-8-9 9610 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC511367  Centaurium muehlenbergii Lyman Benson 1929-7-19 1899 Humboldt Weeott Ranger Station, watershed of South Fork Eel River, seaward side of n coast mountain range South Fork Eel River 60 Comment
  UCD121519  Centaurium tenuiflorum Joseph P. Tracy 1948-8-22 18109 Humboldt Van Duzen River, 4 miles E. of Carlotta. 30 Comment
  UC1198614  Centunculus minimus Joseph P. Tracy 1934-6-23 13254 1/2 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UC1198615  Centunculus minimus Joseph P. Tracy 1942-6-15 17119 Humboldt Englewood Prairie 91 Comment
  HSC31118  Cephalanthera austiniae J. O. Sawyer 1970-6-24 2263 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC53808  Cephalanthera austiniae Griswold, Butler 1979-7-10 6239 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  UC14950  Cephalanthera austiniae P. E. Goddard 1901-7-30 122 Humboldt Box Camp, Trinity Summit Trail Comment
  HSC40125  Cephalanthera austiniae Thomas W. Nelson, James Nelson 1976-7-28 3070 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  UC465826  Cerastium arvense Harley P. Chandler June, 1901 1354 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Valley, Hupa Indian Reservation 152 Comment
  UC1198316  Cerastium glomeratum Joseph P. Tracy 1921-4-24 5443 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  HSC39059  Cerastium glomeratum Thomas W. Nelson, Jane P. Nelson 1976-5-31 2645 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  JEPS51355  Cerastium viride Lincoln Constance 1934-6-3 805 Humboldt on Redwood Hwy. 1 mi. n. Dyerville (rd. from High Rock to Horse Prairie); S. Fork Eel R., Bull Creek Region Comment
  UC673250  Cercis occidentalis Lincoln Constance and Reed C. Rollins 1942-5-12 2895 Humboldt bluffs at junction of Klamath River and Salmon River (1 mi s of Somes Bar); Klamath-Siskiyou Region 152 Comment
  CAS-BOT-BC85659  Chamaecyparis lawsoniana C. Hart Merriam 1920-9-19 s.n. Humboldt East slope Berry Mt. west of Willow Creek (on Trinity River) Comment
  MACF027376  Chamaecyparis lawsoniana S. R. Ganley 1972-3-26 1053 Humboldt Along Hwy. 299 365 Comment
  UC164837  Chamaesyce serpyllifolia Joseph P. Tracy 1911-7-9 3470 Humboldt near mouth Willow Creek; Valley of Trinity River 152 Comment
  HSC55146  Chamerion angustifolium subsp. circumvagum G. L. Clifton, Griswold 1979-8-1 12051 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  JEPS39308  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1927-7-3 12360 Humboldt Weott South Fork Eel River Comment
  CAS-BOT-BC68263  Cheilanthes gracillima J. H. Thomas 1949-6-13 923 Humboldt Six Rivers National Forest - along trail between Le Perron Flat and Whiteys Peak (East of town of Orleans). 1828 Comment
  HSC70250  Cheilanthes gracillima M. A. Baker 1980-6-8 1915 Humboldt Near Buck Flat. 1554 Comment
  HSC996  Cheilanthes gracillima D. E. Anderson 1965-4-24 3539 Humboldt Along Titlow Hill Rd. 2 mi. from its junction with Hwy. 299 Comment
  RSA53826  Chenopodium ambrosioides var. ambrosioides H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  UC673035  Chenopodium macrospermum var. halophilum Harold E. Parks and Joseph P. Tracy 1934-10-13 11151 Humboldt Big Lagoon; on shore 3 Comment
  UC179956  Chenopodium murale Joseph P. Tracy 1914-6-26 4519 Humboldt Eureka Northern Coast Region 0 Comment
  HSC55025  Chimaphila menziesii Overton, Butler 1979-7-31 11440 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC98134  Chimaphila menziesii Cara Witte 2007-6-26 358 Humboldt Horse Mountain Botanical Area. 1341 Comment
  UC1197601  Chimaphila menziesii Joseph P. Tracy 1947-7-9 17855 Humboldt Horse Mt. 1432 Comment
  UC21649  Chimaphila menziesii J. Burtt Davy 1899-6-18 5620 Humboldt Bald Mt. near Korbel; Bald Mt. Comment
  HSC102564  Chimaphila umbellata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1551 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC55227  Chimaphila umbellata G. L. Clifton, Griswold 1979-8-2 12427 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC452226  Chimaphila umbellata Doris K. Kildale 1925-8-16 1163 Humboldt Trinity Summit Trail between forks of Tish-tang-i-tank Creek & Elk Horn Prairie 1524 Comment
  UC1197665  Chlorogalum pomeridianum var. pomeridianum Joseph P. Tracy 1923-9-16 6559 Humboldt on the Trinity Hwy Northern Coast Ranges, Horse Mt. Pass 883 Comment
  CAS-BOT-BC30123  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  HSC53929  Circaea alpina subsp. pacifica Griswold, Butler 1979-7-11 6944 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  RSA424924  Cirsium arvense R. D. Goeden, D. W. Ricker 1987-9-2 15 Humboldt Loleta, at bay on Cannibal Road. 3 Comment
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Apr 8 2011
  RSA125057  Cirsium brevistylum Peter H. Raven, R. Snow 1958-7-20 13648 Humboldt Along Titlow Hill Road 0.7 miles south of U. S. Hwy. 299 Comment
  CAS-BOT-BC279974  Cirsium douglasii var. douglasii John Thomas Howell 1937-7-31 13716 Humboldt 5 miles east of Berry Summit Comment
  CAS-BOT-BC279977  Cirsium douglasii var. douglasii David D. Keck 1948-7-2 6002 Humboldt E. side Rocky Ridge, E. of Berry's summit, 8.6 mi. W. of Willow Ck., 1/4 mi. W. of boundary of Six Rivers Nat. Forest 76 Comment
  UC912553  Cirsium douglasii var. douglasii Herbert L. Mason 1932-7-21 7107 Humboldt on road from Arcata to Weaverville (e slope of South Fork Mountains); North Coast Ranges Comment
  HSC104423  Cirsium occidentale Jenny Lynn Hutchinson 2013-6-27 Humboldt Mt. Andy Comment
  OBI36336  Cirsium occidentale var. candidissimum David J. Keil 1983-7-1 17273 Humboldt Ca 13 mi W of jctn US 101 along Bull Crk Flats Rd Comment
  CAS-BOT-BC285533  Cirsium occidentale var. candidissimum Carl B. Wolf 1934-6-30 5839 Humboldt 7 mi. from Shelter Cove on road to Briceland 152 Comment
  JEPS59296  Cirsium occidentale var. candidissimum W. L. Jepson 1932-8-8 16486 Humboldt Bull Creek Grasshopper Peak, Bull Creek 1005 Comment
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Jan 17 2008
  CAS-BOT-BC285580  Cirsium occidentale var. occidentale L. R. Abrams 1916-7-18 6142 Humboldt At Trinidad Comment
  CAS-BOT-BC288721  Cirsium remotifolium Joseph P. Tracy 1938-7-6 16025 Humboldt Big Lagoon 30 Comment
  CDA1548  Cirsium remotifolium var. rivulare E. C. Whitney 1968-7-25 s.n. Humboldt Larabee Valley State Hwy 36, 0.5 mi. E of bridge over the South Fork of the Van Duzen River. 0 Comment
  UC1119200  Cirsium vulgare H. L. Person 1932-7-21 Humboldt Blue Lake Eureka Quadrangle, Blue Lake Comment
  CAS-BOT-BC161036  Clarkia amoena subsp. amoena S. K. Harris 1936-6-25 s.n. Humboldt On south side of Domingo Gulch on road from Petrolia to Cape Mendocino 30 Comment
  HSC8649  Clarkia amoena subsp. huntiana Thomas W. Nelson, James Nelson 1975-9-3 2191 Humboldt Along N side of Ashfield Butte Comment
  RSA0059976  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1947-6-12 424 Humboldt U.S. Highway 101, 4.8 miles north of Ohman Creek Bridge (4-07) Comment
  SDSU8656  Clarkia amoena subsp. huntiana D. F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. Comment
  CAS-BOT-BC164175  Clarkia concinna S. K. Harris; J. P. Tracy 1936-6-10 3265 Humboldt West of the South Fork of the Trinity River near its mouth 640 Comment
  UC183698  Clarkia davyi Joseph P. Tracy 1912-7-21 3772 Humboldt Alton Northern Coast Region 30 Comment
  HSC89901  Clarkia davyi Leonel Arguello 1989-6-24 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, end of the Fernstrom-Root trail Comment
  LA47439  Clarkia gracilis subsp. gracilis Joseph P. Tracy; 1913-6-23 4284 Humboldt Dinsmore's Ranch, near summit of ridge between Van Duzen and Mad Rivers 1066 Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  UC1196976  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1936-6-9 14898 Humboldt 4 mi nw Petrolia (Domingo Hill) 213 Comment
  UC1196978  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1937-7-5 15372 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC160994  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1911-7-5 3307 Humboldt near mouth Willow Creek (tributary of Trinity River); Northern Coast Ranges 182 Comment
  UC902172  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1947-6-28 17723 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  HSC71813  Claytonia exigua subsp. exigua Thomas W. Nelson, Jane P. Nelson 1980-6-27 5954 Humboldt Six Rivers National Forest, saddle between two peaks E of Mt. Lassic 1768 Comment
  HSC44425  Claytonia lanceolata Brad Klipfel 1975-5-30 648 Humboldt Horse Mtn. Comment
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Sep 23 2019
  CAS-BOT-BC439933  Claytonia perfoliata subsp. mexicana Doris K. Kildale 1926-3-21 1583 Humboldt Kneeland Prairie - summit 853 Comment
  HSC24337  Claytonia perfoliata subsp. perfoliata C. E. Fellows 1971-8-16 398 Humboldt Clam Beach, near end of Central Ave. Comment
  HSC44423  Claytonia saxosa Brad Klipfel 1975-5-30 652 Humboldt Horse Mtn. Comment
  HSC17726  Claytonia sibirica D. E. Anderson 1961-10-1 1855 Humboldt E side of Freshwater Lagoon Comment
  HSC64327  Claytonia sibirica J. P. Smith 1973-5-26 6850 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA246824  Claytonia sibirica R. F. Thorne, Percy C. Everett 1965-8-5 35130 Humboldt Wailaki Recreation site. 518 Comment
  CAS-BOT-BC443901  Claytonia sibirica Ira L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  UC672986  Claytonia sibirica Joseph P. Tracy 1930-7-16 8921 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC97313  Claytonia sibirica var. bulbifera Michael Mesler 2007-6-9 760 Humboldt Near Grouse Mountain; 1.0 mi. east of NF1 on Forest Service Road 5N04 1555 Comment
  JEPS60567  Clematis ligusticifolia W. L. Jepson 1936-8-12 17887 Humboldt S. Fork Eel River, Philipsville Comment
  UC639123  Clintonia andrewsiana E. Fritz 1936-7-8 Humboldt near Redcrest (off Redwood Highway) Comment
  HSC74151  Clintonia uniflora Gail Newton 1980-7-20 1613 Humboldt Near Bell Swamps 1426 Comment
  UC582467  Collinsia heterophylla Joseph P. Tracy 1927-5-30 8089 Humboldt vicinity of Garberville 121 Comment
  HSC98870  Collinsia linearis Cara Witte 2007-6-20 313 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  HSC40672  Collinsia parviflora Thomas W. Nelson, Jane P. Nelson 1976-7-1 2929 Humboldt Along beanch to W of Mt. Lassic (Signal Peak) 1677 Comment
  HSC100664  Collinsia tinctoria Carl C. Marshall May 1887 418 Humboldt Spruce Grove region. Comment
  HSC74418  Collomia grandiflora Gail Newton 1980-8-10 2040 Humboldt Near Blake Mtn. 1707 Comment
  HSC100589  Collomia heterophylla Carl C. Marshall Jun 1887 498 Humboldt Harris. Comment
  UC717114  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Fickle Hill Road to Boynton Prairie (roadside banks; Sn 2 e) 600 Comment
  CHSC98376  Collomia tracyi Dean Wm. Taylor 2004-6-24 19133 Humboldt Horse Mountain, along Titlow Hill Road, 0.4 miles north from the junction with the road to the mountain summit. 1310 Comment
  HSC102167  Collomia tracyi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1079 Humboldt Patterson Meadows 1555 Comment
  HSC73732  Collomia tracyi M. A. Baker 1980-7-19 3001 Humboldt Near Bret Hole. 1814 Comment
  SBBG103147  Collomia tracyi D. H. Wilken with C. Donahue 1976-7-16 12708 Humboldt Horse Mtn Natural Area, N of Berry Summit 1310 Comment
  UC1197344  Conioselinum pacificum Joseph P. Tracy 1913-8-31 4388 Humboldt near Indianola (s end of Humboldt Bay); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC1197345  Conium maculatum Joseph P. Tracy 1933-8-22 12975 Humboldt at Eureka Eureka 6 Comment
  HSC40123  Corallorhiza mertensiana Thomas W. Nelson, James Nelson 1976-7-28 3072 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  HSC98347  Corallorhiza striata T. Jimerson, J. Pageau 1979-6-12 527 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  UC175787  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1912-6-16 3697 Humboldt Hookton Northern Coast Region, Region about Humboldt Bay (salt marsh) 0 Comment
  CAS-BOT-BC101150  Corethrogyne filaginifolia Joseph P. Tracy 1938-7-15 16059 Humboldt fields at Bucksport, at Eureka 6 Comment
  UC581781  Corethrogyne filaginifolia J. P. Tracy 1936-8-17 15157 Humboldt bottom Arcata 15 Comment
  UC314607  Cornus canadensis Joseph P. Tracy 1923-6-24 6356 Humboldt meadow near High Prairie (Bald Mt.); Northern Coast Ranges, Bald Mt. 1066 Comment
  HSC70920  Cornus nuttallii R. York 1980-5-18 562 Humboldt Near Black Mtn. 1006 Comment
  RSA97270  Cornus nuttallii F. W. Peirson 1923-7-9 3956 Humboldt Humboldt County State Park on Eel River, northern California. Comment
  CAS-BOT-BC212181  Cornus sericea Joseph P. Tracy 1929-8-18 8653 Humboldt Dinsmore's Ranch on Van Duzen River opposite Buck Mountain 670 Comment
  HSC82313  Cornus sericea subsp. sericea Thomas W. Nelson, Linda M. Barker 1977-6-3 3385 Humboldt Floodplain of Mad River at S end of Mad River Bridge. 53 Comment
Read comments
May 7 2013
  JEPS53365  Coronopus didymus Lincoln Constance 1934-6-18 902 Humboldt border of N. Dyerville Flat, near South Fork Rail Road Station and Post Office, South Fork Eel River South Fork Eel River; Bull Creek Region, South Fork Eel River Comment
  UC54930  Corylus californica P. E. Goddard 1901-7-6 21 Humboldt Hupa 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
  HSC76056  Corylus cornuta subsp. californica Overton, Butler 1979-8-2 12590 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  RSA20962  Corylus cornuta var. californica C. B. Wolf 1937-9-13 9337 Humboldt North Coast Range, summit of Grouse Mt. 1645 Comment
  HSC5430  Cotula coronopifolia Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  UC1199279  Cotula coronopifolia Joseph P. Tracy 1922-5-28 6058 Humboldt Little River Beach North Coast Ranges. Little River Beach 6 Comment
  UC1409109  Cotula coronopifolia Robert F. Thorne and P. Everett 1965-8-8 35272 Humboldt n edge Eureka (e of Hwy 101) 4 Comment
  UCD130891  Cotula coronopifolia Linda M. Barker 1976-7-5 1638 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  RSA246787  Cotula coronopifolia R. F. Thorne, Percy C. Everett 1965-8-8 35272 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  UC198581  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC78083  Crassula aquatica L. P. Janeway, K. Berg, Rudy Becking 1984-4-11 719 Humboldt N Spit of Humboldt Bay, BLM lands ('Coast Guard Reservation') 3 Comment
  CAS-BOT-BC376515  Crepis Volney Rattan 1867-6-1 s.n. Humboldt Unspecified Comment
  JEPS37501  Crepis acuminata Joseph P. Tracy 1935-7-30 14382 Humboldt Salmon Summit 2103 Comment
  HSC48026  Crepis acuminata Brad Klipfel 1974-6-25 424 Humboldt Horse Mtn. Comment
  UC1051583  Crepis capillaris Joseph P. Tracy 1949-9-26 18229 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1199456  Crepis capillaris Joseph P. Tracy 1901-6-16 1142 Humboldt Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC290584  Crepis capillaris Doris K. Kildale 1925-7-17 1073 Humboldt Cutten Tract - Eureka Comment
  RSA15572  Crepis capillaris C. B. Wolf 1927-8-28 1188 Humboldt Eureka Bay on Arcata road Comment
  RSA95100  Crepis capillaris F. W. Peirson 1923-7-11 3936 Humboldt flats N of Eureka. Comment
  UC1199458  Crepis capillaris Ralph Ferguson 1948-5-4 Humboldt Parkside Tract Eureka 60 Comment
  HSC98953  Crepis pleurocarpa Cara Witte 2008-7-28 953 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  UC176812  Crocidium multicaule Joseph P. Tracy 1913-5-4 4048 Humboldt Kneeland Prairie North Coast Ranges, Kneeland Prairie 762 Comment
  RSA201792  Crocidium multicaule Roman Gankin, W. R. Hildreth 1966-3-15 700 Humboldt On serpentine slopes of Klamath River canyon, State Highway 96, 4.6 miles north of Hoopa. Comment
  SEINET10578683  Croton setiger Daniel K. Harder 1994-10-4 Harder 2495 Humboldt Ca. 6 km W/SW of Fort Seward along Fort Seward Road along middle ridge (near powerlines), collections from rock outcrops in cattle pasture with islands of redwoods and Umbellaria; near small spring in hillside. 570 Comment
  HSC57202  Cryptantha affinis Griswold, Butler 1979-7-10 7108 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC552253  Cryptantha intermedia Harold E. Parks and Joseph P. Tracy 1934-6-27 11060 Humboldt Grouse Mt. 1432 Comment
  SBBG16519  Cryptantha leiocarpa D. E. Breedlove 1962-6-7 3051 Humboldt 1.5 mi S of Samoa on peninsula on W side of Humboldt Bay Comment
  SEINET12280860  Cryptantha milobakeri J. P. Tracy, Harris, S. K. 1942-1 17221 Humboldt E side of Hoopa Valley, hillside Comment
  UC1239652  Cryptantha torreyana Joseph P. Tracy 1912-7-31 3895 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  RSA639037  Cuscuta californica R. F. Thorne, P. C. Everett 1965-8-7 35226 Humboldt Samoa Peninsula. 3 Comment
  SD90539  Cuscuta pacifica var. pacifica Robert F. thorne, P. Everett 1965-8-8 35280 Humboldt North edge of Eureka, east of Hwy. 101 3 Comment
  HSC90245  Cuscuta pacifica var. pacifica Jean Hanson 1980-8-28 109 Humboldt Indian (Gunther) Island in Humboldt Bay, Eureka, across from Coast Guard Station within 30 ft. of high tide line Comment
  SEINET3480723  Cuscuta salina C. C. Harris, S. K. Harris 1941-7-28 1894 Humboldt Humboldt Bay near Table Bluff, Humboldt Bay near Table Bluff, Parasitic on Salicornia ambigua Comment
  UC35080  Cuscuta salina var. major Chesnut and Drew Aug 1888 Humboldt Eureka Comment
  POM263623  Cuscuta salina var. major C. C. Harris, S. K. Harris 1941-8-28 1175 Humboldt Humboldt Bay near Table Buff Comment
  JEPS14218  Cymopterus terebinthinus var. californicus Joseph P. Tracy 1929-6-3 8600 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC1222263  Cynoglossum grande Joseph P. Tracy 1949-6-20 18314 Humboldt 6 mi. s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  BLMAR33  Cynosurus echinatus Brad Barr June, 1982 33 Humboldt King range, Lake ridge south facing slope Comment
  CAS-BOT-BC190376  Cynosurus echinatus David D. Keck 1948-7-1 5977 Humboldt Northeast end of Big Lagood [Lagoon]. Comment
  HSC37257  Cynosurus echinatus Lon Hall 1975-6-19 389 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC49104  Cynosurus echinatus Thomas W. Nelson, Jane P. Nelson 1978-7-3 4413 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC97497  Cynosurus echinatus Cara Witte 2007-5-31 153 Humboldt Along National Forest Rte. 1, near Kinsey Ridge, 1.5 miles north of intersection with 4N09 1299 Comment
  UCD60184  Cynosurus echinatus J. Street 1950-5-28 s. n. Humboldt Alder Point. Comment
  JEPS64087  Cyperus bipartitus Joseph P. Tracy 1931-9-7 9664 Humboldt Trinity R. Valley at Willow Creek; Trinity R, Valley, Willow Creek 152 Comment
  UCD141076  Cyperus eragrostis Gordon Leppig 1998-6-26 859 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. 18 Comment
  JEPS79881  Cyperus squarrosus Joseph P. Tracy 1931-9-7 9662 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  POM160839  Cyperus squarrosus Joseph P. Tracy 1920-8-15 5362 Humboldt Klamath River at Bluff Creek. 152 Comment
  UC1103651  Cyperus squarrosus Joseph P. Tracy 1935-5-30 13918 Humboldt Trinity R. Valley at Willow Creek (in old Clover Flat Mine workings); Trinity R. Valley, Clover Flat Mine 152 Comment
  UCR123955  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6970 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  RSA0049663  Cytisus scoparius Dean Wm. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm (Larabee Valley quadrangle), vicinity of the road crossing of Knack Creek 341 Comment
  HSC10935  Dactylis glomerata Paul Shields Nov 1954 Humboldt Humboldt State campus. Comment
  CAS-BOT-BC189735  Danthonia californica Alice Eastwood; John Thomas Howell 1937-6-22 4734 Humboldt Near Alder Point. Comment
  HSC102143  Danthonia californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1049 Humboldt Patterson Meadows 1566 Comment
  HSC72622  Danthonia californica J. P. Smith 1977-7-3 9231 Humboldt On Forest Service Road 13N01 to Fish Lake, 3.5 mi. from its junction with Highway 36 488 Comment
  HSC73543  Danthonia californica Gail Newton 1980-7-14 1468 Humboldt Near Last Chance Ridge. 1219 Comment
  UC37946  Danthonia californica Harley P. Chandler May, 1901 1239 Humboldt North Coast Ranges; Redwood Belt 91 Comment
  UCD61361  Danthonia unispicata R. Tofsrud 1948-9-3 Humboldt Road junction near summit of Horse Mt. 1463 Comment
  CAS-BOT-BC420362  Darmera peltata Joseph P. Tracy 1933-6-7 12517 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC420364  Darmera peltata Doris K. Kildale 1926-5-2 1900 Humboldt Willow Creek Flat Comment
  SDSU2270  Daucus carota D. F. Howe 1959-8-4 2805 Humboldt Roadside 9 miles east of Arcata on #299. Comment
  HSC38645  Daucus pusillus J. P. Smith, J. O. Sawyer 1975-5-31 8147 Humboldt Growing in Samoa Peninsula in wooded area just E of the Eureka-Samoa bridge Comment
  HSC38897  Daucus pusillus J. P. Smith 1973-5-26 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SEINET3823243 Image available Daucus pusillus J. P. Tracy 1909-7-18 3021 Humboldt Sand Hills of Ocean Beach at Samoa, opp. Eureka Comment
  HSC78607  Daucus pusillus L. P. Janeway, Paul Wilson 1984-5-7 767 Humboldt N Spit of Humboldt Bay, just behind foredunes near 'Flag 1 3 Comment
  CAS-BOT-BC292093  Delairea odorata Stuart K. Harris 1960-12-5 22066 Humboldt Mouth of Howe Creek Comment
  UC503025  Delphinium Joseph P. Tracy 1932-5-10 9934 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  SEINET4465020 Image available Delphinium decorum H. E. Parks, J. P. Tracy 1930-1 789 Humboldt Laribee Valley 914 Comment
  UC249648  Delphinium decorum subsp. tracyi Joseph P. Tracy 1922-6-5 6082 Humboldt slopes at head of creek Northern Coast Ranges, South Yager Creek 762 Comment
  HSC56235  Delphinium glaucum Walter Overton 1979-8-1 12316 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  HSC25007  Delphinium nudicaule D. E. Anderson 1965-5-1 3589 Humboldt W facing sheer cliff above Trinity River along Hwy. 96 Comment
  HSC45097  Delphinium nudicaule R. Sutherland 1978-4-24 13 .24478 Humboldt Kinsey Ridge 311 Comment
  CAS-BOT-BC121959  Delphinium trolliifolium Doris K. Kildale 1927-3-26 3089 Humboldt Alton Hill 45 Comment
  UC1334522  Delphinium trolliifolium G. A. L. Mehlquist and J. A. Jenkins 1940-5-23 17 Humboldt Comment
  UC668069  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  UC984819  Delphinium trolliifolium A. M. Vollmer and L. Beane 1951-6-6 106 Humboldt on road between Orick and Weitchpec Comment
  CAS-BOT-BC194338  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1927-7-16 8257 Humboldt Mouth of Elk River, around Humboldt Bay, just south of Eureka 6 Comment
  HSC82970  Deschampsia cespitosa subsp. beringensis A. L. Eicher 1985-8-8 Humboldt Salt marsh bordering Elk River, 0.4 mi. NW of the Elk River bridge. 1 Comment
  UC187264  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1904-7-31 2129 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  CAS-BOT-BC194290  Deschampsia cespitosa subsp. cespitosa Doris Kildale 1931-5-10 10679 Humboldt Snow Camp Comment
  CAS-BOT-BC194295  Deschampsia cespitosa subsp. cespitosa Joseph P. Tracy 1904-7-31 2129 Humboldt Eureka 60 Comment
  JEPS75420  Deschampsia elongata W. L. Jepson 1932-7-30 16450 Humboldt Bull Creek 121 Comment
  UCD63315  Deschampsia elongata A. H. Murphy 1948-10-21 Humboldt 1/4 mile east of Lassic Peak lookout, northeast of Blocksburg. Comment
  UCSC000015  Deschampsia elongata H. S. Yates 1936-6-16 5666 Humboldt 1 mile S.W. of Samoa- Eureka 6 Comment
  HSC56461  Dianthus armeria Griswold, Butler 1979-7-12 7249 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC76359  Dicentra formosa Denis Kearns 1981-7-8 164 Humboldt Near Bluff Creek 622 Comment
  CAS-BOT-BC402406  Dicentra formosa subsp. formosa J. P. Tracy 1904-4-17 2013 Humboldt Immediate vicinity of Eureka 152 Comment
  CAS-BOT-BC209196  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1900-8-26 925 Humboldt Eureka 60 Comment
  UC1198178  Dichelostemma X venustum Joseph P. Tracy 1947-5-10 17683 Humboldt Miranda, along the South Fork of Eel River South Fork of Eel River 121 Comment
  UC176624  Dichelostemma X venustum Joseph P. Tracy 1913-6-26 4351 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC666885  Dichelostemma capitatum Joseph P. Tracy 1927-5-8 7966 Humboldt Phillipsville 121 Comment
  SEINET12058487  Dichelostemma capitatum F. H. Utech 1988-5-23 88 -291 Humboldt 1.5 mi N of Bridgeville on Road from Bridgeville to Kneeland, along Brown Creek 350 Comment
  UC176352  Dichelostemma capitatum Joseph P. Tracy 1913-6-13 4102 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northen Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC33055  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson 1974-5-7 1234 Humboldt Beside airstrip at Kneeland Prairie Comment
  HSC44871  Dichelostemma capitatum subsp. capitatum J. P. Smith, J. O. Sawyer 1973-5-12 6681 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC79414  Dichelostemma capitatum subsp. capitatum Kenneth Clark 1980-3-1 504 Humboldt Near parking access above Dead Man's Gulch 137 Comment
  HSC86307  Dichelostemma capitatum subsp. capitatum K. Berg, B. Bonning 1983-5-21 493 Humboldt 0.5 mi. up Titlow Hill Rd. from Berry Summit 854 Comment
  HSC97967  Dichelostemma congestum Cara Witte 2007-7-2 392 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1406 Comment
  UC666883  Dichelostemma congestum Joseph P. Tracy 1927-5-8 7965 Humboldt Phillipsville South Fork of Eel River 121 Comment
  UCR32171  Dichelostemma ida-maia David J. Keil 1983-7-2 17339 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  CAS-BOT-BC501026  Dichelostemma ida-maia H. D. Ripley; R. C. Barneby 1945-6-16 6810 Humboldt S. of Weott 91 Comment
  CAS-BOT-BC502223  Dichelostemma ida-maia anonymous no date on label s.n. Humboldt Ferndale Comment
  HSC44728  Dichelostemma ida-maia Maralyn O'Meara 1972-6-8 79 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  JEPS508  Dichelostemma ida-maia Joseph P. Tracy 1937-7-19 15450 Humboldt nw slope Buck Mountain 914 Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  UC162603  Dichelostemma ida-maia Joseph P. Tracy 1911-7-7 3438 Humboldt near Brannan Mountain summit (viz ridge n of Willow Creek, between Willow Creek and Campbell Creek); Northern Coast Ranges 1219 Comment
  UC535761  Dichelostemma ida-maia Eleanor Armstrong 1934-5-17 Humboldt n of Redway Comment
  UC562293  Dichondra donelliana Joseph P. Tracy 1926-8-12 7764 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC198610  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie Comment
  RSA152373  Digitaria ischaemum Joseph P. Tracy 1950-9-22 19371 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. 122 Comment
  CAS-BOT-BC150341  Diplacus aurantiacus E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  UCD137492  Dipsacus fullonum Joseph P. Tracy 1937-8-3 15610 Humboldt along Mad River, near Blue Lake. 15 Comment
  JEPS61836  Disporum smithii W. L. Jepson 1932-7-27 16477 Humboldt Bull Creek Comment
  CAS-BOT-BC208662  Distichlis spicata David D. Keck 1938-8-5 4769 Humboldt Big Lagoon Comment
  CDA18208  Distichlis spicata G. D. Barbe, T. C. Fuller 1974-6-17 1835 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  UC573991  Distichlis spicata H. S. Yates 1936-6-23 5859 Humboldt 1 mile W. of Bayside Comment
  HSC17907  Dodecatheon alpinum W. K. Parks Jul 1933 1374 Humboldt S Fork Mtn. Comment
  RSA654125  Downingia yina Beecher Crampton 1956-6-26 3651 Humboldt Margin of Snow's Lake, 3.5 miles east of Seigler Springs Comment
  HSC36312  Drosera rotundifolia James Beaver 1973-5-20 Humboldt Big Lagoon Comment
  SEINET13728350  Drosera rotundifolia Unknown 1914-9-6 4601 Humboldt Plants of Northern Coast Ranges of California Bald Mountain, between High Prairie and Snow Camp, Humboldt County Comment
  UC203639  Drosera rotundifolia Joseph P. Tracy 1918-7-21 5084 Humboldt Humboldt Hill Northern Coast Ranges, Region about Humboldt Bay (small bog on n slope) 91 Comment
  RSA273338  Drymocallis glandulosa var. wrangelliana Thomas W. Nelson 1976-5-30 2636 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC12540  Drymocallis glandulosa var. wrangelliana C. C. Marshall 1888-1 Humboldt Comment
  HSC75458  Drymocallis lactea var. lactea J. O. Sawyer 1980-7-18 3585 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC249767  Dryopteris arguta Joseph P. Tracy 1924-12-7 6927 Humboldt Hydesville; Northern Coast Ranges 91 Comment
  SEINET6424490 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  POM118351  Dryopteris expansa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
Read comments
Dec 31 2015
  SJSU8158  Dryopteris expansa D. G. Walford 1969-8-14 72 Humboldt near McKinleyville c. 5 mi N of Arcata Comment
  HSC26463  Dudleya farinosa T. O. Osborne 1970-7-18 21 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  SFV7745  Dysphania botrys T. Gordon, K. Kimbrough 1975-8-22 1225 Humboldt Eel River. 61 Comment
  OBI22607  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow's Prairie Comment
  JEPS19332  Eleocharis acicularis Joseph P. Tracy 1937-8-12 15626 Humboldt Bald Mountain, at Lake Prairie 1066 Comment
  RSA275279  Eleocharis acicularis var. acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Pond above Alder Springs 1585 Comment
  UC1103668  Eleocharis bella Joseph P. Tracy 1927-8-7 8313 Humboldt Lack Pond, opposite mouth of Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC112843  Eleocharis macrostachya Joseph Prince Tracy 1934-7-30 13506 Humboldt Dry Lagoon along coast in front of South End of Stone Lagoon. 3 Comment
  HSC39049  Eleocharis macrostachya Linda M. Barker 1976-6-22 1621 Humboldt 3 mi. W of Arcata Comment
  UC1103666  Eleocharis macrostachya Joseph P. Tracy 1935-5-25 13849 Humboldt Fort Seward 106 Comment
  HSC7339  Eleocharis ovata D. E. Anderson 1963-9-29 2855 Humboldt Fish Lake Comment
  UC1103670  Eleocharis pachycarpa Joseph P. Tracy 1923-5-19 6213 Humboldt Patrick's Point 30 Comment
  HSC69789  Elodea canadensis R. Kalal 1979-5-24 61 Humboldt Arcata, Mill Pond at end of H St. 3 Comment
  RSA44455  Elymus glaucus Henry M. Pollard 1948-7-19 s.n. Humboldt River road between Orleans and Van Fleet Ranch Comment
  RSA53859  Elymus glaucus Henry M. Pollard 1946-8-10 s.n. Humboldt Roadside south of Klamath River and east of Perch Creek, Orleans region Comment
  UC526798  Elymus glaucus Joseph P. Tracy 1926-6-20 7652 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  CAS-BOT-BC203476  Elymus glaucus subsp. glaucus Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC203798  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8213 Humboldt Stone Lagoon 6 Comment
  CAS-BOT-BC203800  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8215 Humboldt Stone Lagoon 6 Comment
  HSC9747  Elymus glaucus subsp. virescens J. P. Tracy 1927-6-26 8213 Humboldt Stone Lagoon Comment
  CAS-BOT-BC234110  Elymus multisetus Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans Comment
  HSC58419  Elymus multisetus Griswold, Butler 1979-7-12 7265 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC1103131  Elymus multisetus Joseph P. Tracy 1912-8-3 3962 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1103292  Elytrigia repens Joseph P. Tracy 1937-7-17 15434 Humboldt Eureka 60 Comment
  HSC56983  Epilobium brachycarpum Overton, Marvin Butler 1979-7-23 9524 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC98714  Epilobium brachycarpum Cara Witte 2007-8-1 612 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  SBBG60143  Epilobium canum subsp. latifolium L. Rowntree 1931-7-21 Humboldt Mattole River Comment
  HSC49017  Epilobium ciliatum subsp. ciliatum Patricia Shesgreen 1978-8-2 126 Humboldt Bayview St., Arcata, 250 yds. below Redwood Sciences Laboratory Comment
  HSC49645  Epilobium ciliatum subsp. glandulosum J. P. Smith, Steve Selva 1970-6-30 4138 Humboldt Comment
  UC549762  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1932-7-16 10633 Humboldt swamp near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC49655  Epilobium ciliatum subsp. watsonii J. P. Smith 1971-10-6 4953 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC16316  Epilobium densiflorum D. E. Anderson 1962-7-14 2253 Humboldt About 3 mi. E of Kneeland Comment
  HSC102565  Epilobium glaberrimum subsp. glaberrimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1552 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1222846  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1950-8-7 19272 Humboldt 2 mi e Box Camp (on trail between Box Camp and Croghan Hole); Trinity Summit Comment
  HSC55081  Epilobium hallianum G. L. Clifton, Griswold 1979-7-31 11736 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC67369  Epilobium minutum Thomas W. Nelson, James Nelson 1980-6-10 5412 Humboldt Along Swayback Ridge Rd. 2.5 mi. N of junction of Rd. 1S07 1463 Comment
  POM134801  Epilobium septentrionale Carl Duncan 1920-9-22 s.n. Humboldt Hoopa Indian Reservation, Hoopa Valley Comment
  UC1196952  Epilobium septentrionale Arthur E. Connick 1932-8-12 Humboldt Garberville 121 Comment
  UC249622  Epilobium septentrionale Joseph P. Tracy 1921-10-16 5974 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  SEINET10296819  Epipactis gigantea Unknown 1949-7-7 18335 Humboldt CALIFORNIA PLANTS -- HUMBOLDT COUNTY BLUE SLIDE, on VAN DUZEN RIVER Comment
  HSC888  Equisetum telmateia subsp. braunii J. E. Lankila 1962-5-31 31 Humboldt Back yard of house at 1728 Sunny Ave., Eureka Comment
  RSA23654  Equisetum telmateia var. braunii C. B. Wolf 1939-7-6 9515 Humboldt Along Larabee Creek, 5.8 mi below Blocksburg on road to Bridgeville. Comment
  CAS-BOT-BC284097  Eragrostis pectinacea var. pectinacea Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  UC212870  Eragrostis pilosa var. pilosa Joseph P. Tracy 1920-8-15 5361 Humboldt mouth of Bluff Creek (Klamath R.); Northern Coast Ranges, Klamath R. 152 Comment
  UC672190  Erigeron biolettii Frank W. Peirson 1923-7-9 3877 Humboldt Humboldt County State Park Eel River, Humboldt County State Park Comment
  SEINET200722  Erigeron foliosus Joseph P. Tracy 1913-6-10 4082 Humboldt Along Van Dugen River near Grizzly Gulch. Comment
  UC581723  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge Comment
  HSC96452  Erigeron foliosus var. confinis Thomas W. Nelson, R. K. Brummitt, Barbara Ertter 2004-7-4 9283 Humboldt Along Bald Hills Rd. near French Camp, 1.5 mi. from Johnson Rd. and Elk Camp fire station. Comment
  JEPS11982  Erigeron foliosus var. confinis Rimo Bacigalupi with G. T. Robbins 1954-6-28 4653 Humboldt 4.6 mi s Weitchpec, Hoopa Valley Indian Reservation (between Hoopa Valley and Weitchpec, along highway, high above Trinity River); Trinity River 167 Comment
  SBBG52999  Erigeron glaucus J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  HSC39604  Erigeron inornatus var. inornatus Thomas W. Nelson, Jane P. Nelson 1976-7-26 3038 Humboldt S facing slope along ridge W of Lassic Peak 1707 Comment
  CHSC324  Erigeron philadelphicus A. Small 1954-6-7 Humboldt 1/2 mi. s. of Capetown. 60 Comment
  HSC71370  Erigeron philadelphicus J. P. Smith 1973-5-26 6843 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC5527  Erigeron philadelphicus D. E. Anderson 1963-5-25 2488 Humboldt 1 mi. N of Capetown Comment
  HSC54867  Eriogonum compositum G. L. Clifton, Griswold 1979-7-25 10779 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC259149  Eriogonum latifolium Marcus E. Jones 1931-7-12 28806 Humboldt Alton Comment
  HSC35859  Eriogonum latifolium Thomas W. Nelson, James Nelson 1975-8-5 2136 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  HSC54511  Eriogonum nudum Overton, Butler 1979-7-23 9417 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  RSA53802  Eriogonum nudum var. nudum H. M. Pollard 1945-8-26 s.n. Humboldt Between Orleans and Camp Creek. Klamath River Canyon. Comment
  UC6392  Eriogonum nudum var. oblongifolium Harley P. Chandler June, 1901 1442 Humboldt Klamath River North Coast Ranges, Klamath River 304 Comment
  HSC17450  Eriogonum nudum var. oblongifolium D. E. Anderson 1962-7-14 2254 Humboldt About 3 mi. E of Kneeland Comment
  CAS-BOT-BC267925  Eriogonum umbellatum David Imper 1981-8-12 907 Humboldt Near Tish Tang A Tang Creek, Salmon Mt. Quad 1779 Comment
  HSC54001  Eriogonum umbellatum Griswold, Butler 1979-7-10 7110 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  CAS-BOT-BC267967  Eriogonum umbellatum var. argus Doris K. Kildale 1925-8-16 1219 Humboldt Trinity Summit 1917 Comment
  RSA46683  Eriogonum umbellatum var. goodmanii Doris K. Kildale 1937-7-18 15131 Humboldt Horse Mt. Comment
  UCR131739  Eriogonum umbellatum var. nelsoniorum C. B. Wolf 1937-8-13 09221 Humboldt North Coast Range, 8 miles east of Hoopa Valley on new road toward Trinity Summit 1475 Comment
  HSC43078  Eriogonum umbellatum var. nelsoniorum Brad Klipfel 1973-7-15 181 Humboldt Area of N Trinity Mtn. 1860 Comment
  HSC54736  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10179 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  UC129577  Eriophyllum lanatum var. achilleoides Joseph Burtt Davy and Walter C. Blasdale 1899-6 5379 Humboldt near Harris Comment
  UC668204  Eriophyllum staechadifolium Joseph P. Tracy 1938-6-17 15958 Humboldt s of point of Cape Cape Mendocino 3 Comment
  CDA17338  Eriophyllum staechadifolium B. Freeman 2004-8-2 PDR 1403792 Humboldt North Coast; Petrolia Road, Lost Coast, Petrolia. 0 Comment
  UC165860  Eriophyllum staechadifolium Joseph P. Tracy 1907-7-4 2580 Humboldt rocky bluffs along coast near Trinidad; Northern Coast Ranges 15 Comment
  UC709446  Erodium brachycarpum Joseph P. Tracy 1941-4-11 16918 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC90471  Erodium cicutarium Jean Hanson 1980-4-12 34 Humboldt Eureka, Indian Island in Humboldt Bay. W end of island. Comment
  HSC102600  Erysimum capitatum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1587 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  CAS-BOT-BC41570  Erysimum capitatum Doris K. Kildale 1926-3-21 1578 Humboldt Knuland Prairie. 853 Comment
  UC1199176  Erysimum menziesii Joseph P. Tracy 1901-4-14 1019 Humboldt sand dunes of ocean beach Northern Coast Region, Humboldt Bay Comment
  SEINET14045946 Image available Erythranthe guttata Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-1 15260 Humboldt Clam Beach, 15 miles North Eureka. Comment
  HSC44353  Erythronium californicum Brad Klipfel 1974-5-8 319 Humboldt Horse Mountain Comment
  UC1197648  Erythronium californicum Joseph P. Tracy 1927-6-12 8127 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC1197646  Erythronium grandiflorum Joseph P. Tracy 1932-7-15 10600 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC15502  Erythronium revolutum Paul Shields May 1955 Humboldt Kneeland Comment
  HSC15504  Erythronium revolutum W. D. Stevens 1963-4-15 14 Humboldt 1.5 mi. W of Berry Summit on Hwy 299 Comment
  UC146200  Erythronium revolutum Joseph P. Tracy 1908-6-9 2661 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC201282  Erythronium revolutum Joseph P. Tracy 1918-5-1 4896 Humboldt Ashfield Butte Northern Coast Ranges 762 Comment
  HSC104344  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 6 Humboldt Kneeland 854 Comment
  UC503023  Eschscholzia californica Joseph P. Tracy 1932-6-14 10140 Humboldt hillsides w mouth of S. Fork Trinity River; Northern Coast Ranges, Trinity River Valley 609 Comment
  HSC16115  Eucalyptus globulus J. W. Bosworth 1965-5-14 51 Humboldt 1 mi. N of Fairhaven on Samoa Comment
  POM161488  Eucephalus tomentellus Joseph P. Tracy 1919-9-27 5304 Humboldt Mountain slopes along road between Three Creeks and mouth of Willow Creek. 915 Comment
  UC552243  Euchiton gymnocephalus Joseph P. Tracy 1932-8-13 10349 Humboldt Trinidad 3 Comment
  UC552255  Euchiton gymnocephalus Joseph P. Tracy 1936-3-22 14784 Humboldt 4 mi se Korbel (near Angels Ranch); North Coast Ranges 304 Comment
  CAS-BOT-BC206803  Euonymus occidentalis Doris K. Kildale 1926-7-22 2417 Humboldt N ridge near Metropolitan, near Canyon Park, Eel River Valley Comment
  HSC75354  Euonymus occidentalis J. O. Sawyer, M. A. Ericksen 1980-7-18 3642 Humboldt Along FS Rd. 10N02, S of Middle Fork of Mill Creek Comment
  POM47094  Euonymus occidentalis J. B. Feudge 1923-7-25 86 Humboldt Fortuna 23 Comment
  UC34837  Euonymus occidentalis var. occidentalis Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  RSA498945  Euphorbia crenulata M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville. Comment
  JEPS73678  Euphorbia helioscopia Dr. Lamphere 1939-3-25 Humboldt near mouth of Mad River; near mouth of Mad River 9 Comment
  UC502956  Euphorbia spathulata Joseph P. Tracy 1929-5-5 8578 Humboldt Miranda Northern Coast Ranges, South Fork of Eel River (slopes and groves along South Fork of Eel River) 121 Comment
  CDA28953  Euphorbia virgata T. Chapple 2009-6-1 s.n. Humboldt Vicinity of Orleans, found on Klamath River access road. 0 Comment
  BLMAR323  Festuca bromoides Jennifer Wheeler 2002-8-9 323 Humboldt Lost Coast Headland, Trail to Guthrie creek 30 Comment
  HSC9847  Festuca californica D. E. Anderson 1965-5-22 3721 Humboldt Road to Blocksburg, 3 mi. S of Bridgeville. Comment
  HSC71744  Festuca idahoensis M. A. Baker 1980-6-26 2426 Humboldt Near Sims Creek 610 Comment
  UC187103  Festuca idahoensis Joseph P. Tracy 1911-7-6 3338 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC70827  Festuca idahoensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5676 Humboldt Hoopa Mt. Comment
  HSC74468  Festuca occidentalis Gail Newton 1980-7-22 1705 Humboldt Near Devils Backbone 1545 Comment
  HSC74556  Festuca occidentalis M. A. Baker 1980-7-11 2774 Humboldt Near Red Mtn. 1341 Comment
  UC1103723  Festuca occidentalis Joseph P. Tracy 1937-7-25 15543 Humboldt head of Little Hors-Linto Creek Trinity Summit, Little Hors-Linto Cree 1371 Comment
  UC1145212  Festuca occidentalis Joseph P. Tracy 1937-5-30 15305 Humboldt 5 mi n Blocksburg; Larrabee Creek 365 Comment
  UC525637  Festuca occidentalis Joseph P. Tracy Jul 16 1930-Jul 19 1930 9097 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC9974  Festuca rubra D. J. Wilder 1965-4-25 11 Humboldt 4 mi. from Arcata on Fickle Hill Rd. Comment
  HSC9975  Festuca rubra R. I. Bonn 1965-5-7 24 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  RSA10075  Festuca rubra Joseph P. Tracy 1927-7-4 8238 Humboldt Lone-Star Creek (in the Dagna district). 610 Comment
  CAS-BOT-BC282521  Festuca subbiflora W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek and Eel River Comment
  HSC38631  Festuca viridula D. E. Anderson, J. P. Smith 1971-6-14 - 1050 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  CHSC23878  Fragaria chiloensis A. R. Morrison 1974-4-27 Humboldt Throughout understory along immediate coastal cliffs ca. 2 mi. n of Trinidad. Comment
  HSC18611  Fragaria vesca J. C. Reppas 1963-4-11 37 Humboldt 820 Fickle Hill Rd. Comment
  UC1612458  Fragaria virginiana Gunter Staudt and H. Ahmadi 1989-5-15 313 Humboldt n of Trinidad (along Highway 101, near Seawood Drive exit); Highway 101 Comment
  SD22835  Frangula californica subsp. californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter Cove 60 Comment
  HSC18411  Frangula purshiana L. D. Napier 1962-5-19 15 Humboldt 1 mi. E of Arcata on Fickle Hill 168 Comment
  UCD112819  Frangula purshiana Linda M. Barker 1976-7-5 1648 Humboldt Lanphere-Christensen Dunes 3 miles west of Arcata. Comment
  SEINET11248085  Frangula purshiana W. D. Billings 1940-6-28 1354 Humboldt 1/4 mile N. of Trinidad Comment
  UC275325  Fumaria officinalis Joseph P. Tracy 1924-5-17 6679 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC100646  Galium Carl C. Marshall Jun 1886 49 Humboldt Pilot Creek. Comment
  CHSC19947  Galium aparine M. S. Taylor 1975-3-25 427 Humboldt Between 11th and 12th Sts, at end of Citrus Ave, Chico. Comment
  HSC89467  Galium aparine P. A. Daly 1986-3-12 101 Humboldt Trinidad Head, along trail 61 Comment
  HSC95750  Galium aparine Steven Lee 2004-4-25 23 Humboldt From Hwy. 299, take South Fork Rd. to County Rd. 341. River access trail is at the end of the road. Comment
  HSC71493  Galium bolanderi M. A. Baker 1980-6-7 1797 Humboldt Near Brush Mtn. 1128 Comment
  HSC41599  Galium bolanderi Thomas W. Nelson, Jane P. Nelson 1977-8-6 3705 Humboldt Above Alder Springs 1555 Comment
  JEPS52693  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-7-9 3853 Humboldt 1/2 mi e Dinsmores (on Hwy 36, w-facing slope) 731 Comment
  HSC69762  Galium divaricatum Thomas W. Nelson, Jane P. Nelson 1977-9-4 3746 Humboldt Willow Creek Comment
  UC198660  Galium divaricatum Joseph P. Tracy 1916-6-19 4730 Humboldt Alder Point Northern Coast Ranges 152 Comment
  HSC63804  Galium muricatum M. A. Baker 1979-5-23 756 Humboldt Comment
  JEPS21476  Galium muricatum Francia Chisaki and Gene B. Newcomb 1958-6-23 1164 Humboldt on road to Shelter Cove 4 mi e of its junction with road to Ettersburg; on road to Shelter Cove 579 Comment
  JEPS52823  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-7-9 3852 Humboldt 1/2 mi e Dinsmores (on Hwy 36) 731 Comment
  UC35333  Galium muricatum Chesnut and Drew 1888-7-12 Humboldt Campbell's Comment
  JEPS6571  Galium parisiense Rimo Bacigalupi with G. T. Robbins 1954-6-28 4654 Humboldt 7.4 mi n Hoopa (along hwy, high above Trinity River, 4.6 mi n of Weitchpec); Six Rivers National Forest Comment
  UC176989  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt on river below Bridgeville; Northern Coast Ranges, Van Duzen River, Rogers Ranch 152 Comment
  RSA256488  Galium parisiense Joseph P. Tracy 1911-7-4 3278 Humboldt Valley of Trinity River near mouth of Willow Creek. 152 Comment
  HSC99319  Galium porrigens var. porrigens C. B. Wolf 1927-8-30 1225 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  HSC34703  Galium triflorum Thomas W. Nelson 1974-7-20 1701 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1199115  Gamochaeta coarctata Joseph P. Tracy 1927-7-17 8264 Humboldt Butler Valley 152 Comment
  CHSC68553  Gamochaeta ustulata Vernon H. Oswald 1997-4-29 8358 Humboldt Coastal Dunes. Samoa Dunes Recreation Area at the south end of the North Spit separating Humboldt Bay from the ocean. 0 Comment
  CAS-BOT-BC303388  Gamochaeta ustulata Joseph P. Tracy 1936-8-1 15057 Humboldt Canyon Creek, 6 miles SE of Blue Lake 365 Comment
  HSC78975  Gamochaeta ustulata L. P. Janeway, Paul Wilson 1984-5-25 830 Humboldt On the N Spit of Humboldt Bay; on BLM lands near the Coast Guard Station 5 Comment
  CAS-BOT-BC188546  Garrya elliptica Doris K. Kildale 1926-1-3 1464 Humboldt Big Lagoon road near Trinidad Comment
  CAS-BOT-BC182150  Garrya fremontii Carl B. Wolf 1930-10-24 1762 Humboldt Along the Klamath River, 1 mile above the mouth of Slate Creek 243 Comment
  CAS-BOT-BC182172  Garrya fremontii Doris K. Kildale 1927-2-20 2957 Humboldt McDowell Buttes near Kneeland 914 Comment
  CAS-BOT-BC182174  Garrya fremontii Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 Comment
  HSC33149  Garrya fremontii Thomas W. Nelson, J. Cole, Brad Klipfel 1974-5-8 1247 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  JEPS66730  Garrya fremontii Lincoln Constance 1934-6-19 907 Humboldt near summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 914 Comment
  OBI35859  Garrya fremontii David J. Keil 1983-7-2 17336 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  UC1051597  Garrya fremontii Joseph P. Tracy 1948-9-12 18214 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UCD66582  Gastridium phleoides P. B. Kennedy 1923-8-5 26 Humboldt West fork of Eel River between Phillipsville and Garberville. Comment
  UC1046521  Gaultheria ovatifolia Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3413 Humboldt meadow at Snow Camp, ridge between Mad River and Redwood Creek, Bald Mountain Snow Camp; Bald Mountain, Snow Camp 1432 Comment
  UC562736  Gaultheria ovatifolia Joseph P. Tracy Jul 16 1930-Jul 19 1930 9022 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC58911  Gaultheria shallon L. R. Abrams 1916-7-11 6010 Humboldt Mouth of Grizzly Creek on Van Duzor River Comment
  HSC31633  Gaultheria shallon Glenn McGourty 1974-4-27 19 Humboldt Along rd. 1 mi. from Capetown bridge Comment
  HSC7805  Gaultheria shallon Dan O'Brien 1962-5-9 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  HSC98970  Gaultheria shallon Cara Witte 2008-8-5 993 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles E of intersection with National Forest 1. 1346 Comment
  POM285359  Gaultheria shallon Lyman Benson 1928-7-10 582 Humboldt Dyerville. 61 Comment
  RSA18144  Gaultheria shallon C. B. Wolf 1927-8-22 804 Humboldt 1 mile south of Orick. Comment
  UC1537150  Gaultheria shallon Gordon H. True Jr. 1936-5-11 468 Humboldt 12 mi w of Miranda 396 Comment
  SEINET11993510  Gaultheria shallon F. H. Utech 1986-1 86 -393 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  UC562365  Gayophytum heterozygum Joseph P. Tracy 1936-8-8 15137 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC1196960  Gayophytum humile Joseph P. Tracy 1930-7-23 9117 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  HSC14652  Genista monspessulana R. J. Vernimen 1963-2-26 7 Humboldt Sunnybrae in canyon parallel to Shirley Blvd. and ending at Beverly Dr. Comment
  UCD105734  Genista monspessulana R. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  RSA18142  Gentiana oregana Carl B. Wolf 1927-8-22 807 Humboldt 1 mile south of Orick. Comment
  HSC75286  Gentiana plurisetosa J. O. Sawyer, D. A. Thornburgh 1980-9-9 4082 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC12414  Gentiana sceptrum D. Santana 1970-10-14 35 Humboldt Big Lagoon Bog Comment
  POM318969  Gentiana sceptrum Patricia Wilder 1968-8-21 4390 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  HSC23745  Geranium dissectum Tim Baroni 1971-7-6 126 Humboldt Bayside, 1/2 mi. from intersection of Old Arcata Rd. and Jacoby Creek Rd. on Jacoby Creek Rd. Comment
  UC630470  Geranium dissectum H. E. and S. T. Parks Apr 1938 24118 Humboldt Spruce Cove Trinidad 60 Comment
  UC52536  Gilia capitata subsp. capitata Mrs. M. H. Manning Humboldt Hupa Comment
  HSC104345  Gilia capitata subsp. pacifica James Regan, Humboldt Redwood Co., LLC 2004-6-3 4 Humboldt Kneeland, near Kneeland Airport 854 Comment
  UC908974  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (sand dunes, on Humboldt Bay); Northern Coast Region, on Humboldt Bay, nr Samoa 6 Comment
  POM208979  Githopsis specularioides Lincoln Constance 1934-6-15 819 Humboldt Grasshopper Pk.; Bull Creek watershed, Humboldt Redwood Park. 976 Comment
  UC1191700  Glaux maritima Malcolm A. Nobs, S. Galen Smith 1949-8-11 1343 Humboldt at eastern shore of Stone Lagoon Stone Lagoon Comment
  UC1197366  Glehnia littoralis subsp. leiocarpa Hattie F. Tracy 1902-6-17 1748 Humboldt sand hills of Ocean Beach at Samoa opposite Eureka Comment
  UC140694  Glehnia littoralis subsp. leiocarpa unknown 1904-8-23 Humboldt peninsula - Eureka Eureka Comment
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Feb 1 2013
  HSC58542  Glyceria elata Overton, Butler 1979-7-23 9545 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC58544  Glyceria elata Overton, Butler 1979-7-23 9547 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC58552  Glyceria elata Overton, Butler 1979-7-24 9814 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC96582  Glyceria elata Gordon Leppig, Tony LaBanca 2005-6-6 2247 Humboldt Pacific Lumber Co. land, Redwood House Rd., Hely Creek headwaters pond. 630 Comment
  SEINET267680 Image available Glyceria occidentalis Gordon Leppig 1995-4-6 243 Humboldt Arcata; Alder Grove Pond. 12 Comment
  RSA44453  Glyceria striata Henry M. Pollard 1947-8-30 s.n. Humboldt North road along Klamath River near Van Fleet Ranch, Orleans region. Comment
  UC195428  Glycyrrhiza lepidota Joseph P. Tracy 1915-9-12 4668 Humboldt Laribee Creek Northern Coast Ranges, Eel River (mouth, fields along river) 30 Comment
  JEPS34013  Gnaphalium palustre W. L. Jepson 1921-8-11 9414 Humboldt Big Lagoon Comment
  UCD132406  Gnaphalium palustre Linda M. Barker 1976-7-5 1639 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  SEINET10726165  Gnaphalium palustre Harold E. Parks, Susan T. Parks Parks 24080 Humboldt Abundant in newly cultivated areas; Spruce Cove, Trinidad. Comment
  SFV18597  Gnaphalium palustre T. W. Nelson, J. P. Nelson 1987-7-4 8625A Humboldt South of Lundbarhills area. Along logging roads where vernally wet. 61 Comment
  HSC28140  Goodyera oblongifolia J. D. Ackerman 1973-8-23 117 Humboldt 2 mi. N of Manila Comment
  HSC98225  Goodyera oblongifolia A. M. Montalvo, J. D. Ackerman 1974-7-17 374 Humboldt About 7 mi. E of Carlotta, off Hwy. 36. Redwood Grove, E of Van Duzen Grove County Park. Van Duzen River Valley. 61 Comment
  HSC66405  Grindelia hirsutula Ruby Van Deventer 1962-8-12 Humboldt Benbow Golf Course near South Fork of Eel River 122 Comment
  UC665533  Grindelia hirsutula H. E. Parks Aug 1941 24190 Humboldt Big Lagoon Comment
  SEINET11835894  Grindelia hirsutula var. davyi Unknown 1936-1 13195 Humboldt near Ukiah Comment
  HSC76193  Hackelia californica Overton, Butler 1979-7-24 9786 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC57669  Hackelia micrantha G. L. Clifton, Griswold 1979-7-25 10854 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  JEPS67933  Hackelia micrantha W. L. Jepson 1902-7-16 2041 Humboldt Trinity Summit 2133 Comment
  HSC3670  Hackelia setosa J. P. Tracy 1937-7-25 15547 Humboldt Trinity Summit; on ridge 2 mi. E of Grove's Prairie 1524 Comment
  HSC102526  Hastingsia alba M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1513 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC205152  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-23 5287 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  HSC99088  Helenium bigelovii Cara Witte 2008-8-6 1010 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  UC582670  Helenium bigelovii Joseph P. Tracy 1937-8-12 15657 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC306613  Helenium bigelovii Doris K. Kildale 1925-8-15 1173 Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  CAS-BOT-BC306617  Helenium bigelovii Ira L. Wiggins 1930-7-8 4676 Humboldt Along the Eel River, near Scotia Comment
  SEINET5711016  Helenium bigelovii Lowell E. Urbatsch 1990-1 6798 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the rd. to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this road (FS 7 NO4) travel 1.5 miles to another fork; continue on 7NO4N (the left fork) for 7.4 miles. At this point, take 7N04N, the road to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  UC1223171  Helminthotheca echioides Joseph P. Tracy 1948-8-8 18098 Humboldt 2 mi w Bridgeville Comment
  UC559947  Hemitomes congestum V. Rattan 1878-1 Humboldt Comment
  HSC44129  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1977-7-4 3608 Humboldt Along road N from Alder Spring 1555 Comment
  POM126139  Hemizonia congesta Joseph P. Tracy 1923-6-20 6338 Humboldt Near Garberville (4 miles N of it.) 122 Comment
  UC1223094  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1950-6-23 18864 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC275470  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-9-20 7272 Humboldt near the s fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC309998  Hemizonia congesta subsp. tracyi Thomas Nelson; Jane Nelson; James Nelson 1975-6-21 1950 Humboldt Beside highway 36 ca. 5 mi. east of Bridgeville Comment
  UC1223088  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt Comment
  UC205207  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1920-8-1 5348 Humboldt Kneeland Prairie 762 Comment
  CDA20030  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 1 of 3 0 Comment
  CDA40920  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 3 of 3 0 Comment
  HSC98845  Heracleum maximum Cara Witte 2008-7-16 920 Humboldt National Forest Road 4N06. 1 mile west of National Forest 1. 1228 Comment
  RSA24305  Heracleum maximum C. B. Wolf 1941-2-25 9956 Humboldt Dry Lagoon State Park 8 Comment
  CDA31699  Heterotheca oregona M. K. Beyers, I. Shepardson 2009-9-13 244 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  UC620692  Heterotheca oregona var. rudis S. K. Harris 1938-8-24 881 Humboldt near Fernbridge (sand of Eel River); Eel River Comment
  HSC40008  Heuchera micrantha Thomas W. Nelson, Jane P. Nelson 1976-7-1 2904 Humboldt Along ridge N of Bear Creek. 1463 Comment
  HSC56073  Heuchera rubescens G. L. Clifton, Griswold 1979-7-31 11744 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC76266  Heuchera rubescens Teresa Prendusi 1981-7-24 515 Humboldt Near Whiteys Peak 1634 Comment
  CAS-BOT-BC312391  Hieracium albiflorum Doris K. Kildale 1928-6-24 7078 Humboldt Redwood Creek at Berry's 289 Comment
  HSC44343  Hieracium albiflorum Brad Klipfel 1975-6-17 686 Humboldt Horse Mtn. Comment
  HSC57874  Hieracium albiflorum Overton, Butler 1979-7-31 11410 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC582417  Hieracium albiflorum Joseph P. Tracy 1929-7-4 8613 1/2 Humboldt French Camp Ridge 1066 Comment
  UC1199461  Hieracium albiflorum Joseph P. Tracy 1926-11-7 7825 Humboldt Table Bluff Northern Coast Region, Humboldt Bay, Table Bluff 152 Comment
  HSC57619  Hieracium greenei G. L. Clifton, Griswold 1979-7-25 10744 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1299270  Hieracium greenei Freed W. Hoffman 1949-7-15 3010 Humboldt a little s of Blue Ridge; Mt. Lassic Comment
  RSA156091  Hierochloe occidentalis W. A. Silveus 1938-7-9 2960 Humboldt Dyerville. Comment
  SDSU1121  Hierochloe occidentalis D. F. Howe 1962-5-22 3304 Humboldt 3 miles east of Orick on Bald Mt. road 396 Comment
  HSC13461  Hippuris vulgaris R. L. Jarvis 1962-4-18 28 Humboldt .5 mi. S of Mad River, .25 mi. W of Hwy. 101 15 Comment
  HSC10933  Holcus lanatus Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  RSA121226  Holcus lanatus H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  SEINET11683187  Holcus lanatus K. S. Erdman 1970-1 4805 Humboldt mouth of Ossagon Creek on Gold Beach Road, 2 mi W of US 101 (Redwood N.P.) Comment
  UCD84884  Holcus mollis R. N. Raynor 1935-6-7 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC149901  Holodiscus discolor Doris K. Kildale 1926-9-5 2658 Humboldt Lasseck's Peaks, Signal Peak 1791 Comment
  HSC98853  Holodiscus discolor Cara Witte 2008-7-11 871 Humboldt Horse Mountain Botanical Area. 1/2 mi. south from intersection of National Forest 1, Forest Service Roads 6N38 and 6N36. 1413 Comment
  RSA20812  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt N Coast Range, Wildcat ridge, 6.3 miles S of Ferndale. 305 Comment
  UC1198706  Holodiscus discolor Joseph P. Tracy 1932-7-18 10718 Humboldt Klamath Mountains, Trinity Summit, Head of Brett Hole Head of Brett Hole; Klamath Mountains, Trinity Summit, Head of Brett Hole 1828 Comment
  UC154211  Holodiscus discolor Joseph P. Tracy 1901-7-31 1231 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  RSA10124  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad 9 Comment
  HSC10176  Hordeum marinum subsp. gussoneanum J. A. Waller 1965-4-19 15 Humboldt Kneeland area. Comment
  UCD85896  Hordeum marinum subsp. gussoneanum A. H. Murphy 1951-6-1 49 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap. Comment
  SEINET10841409  Horkelia californica Lincoln Constance, Alan A. Beetle; Joseph P. Tracy 1940-5-17 Constance 2613 Humboldt Branches reddish, ascending, petals white. With amelanchier and prunus, Serpentine? Soil of openings in cutover pinus ponderosa, pseudotsuga, quercus Garryana forest. Larrabee valley 762 Comment
  UC1198713  Horkelia californica Joseph P. Tracy 1910-7-24 3159 Humboldt s side Humboldt Hill; Humboldt Bay 152 Comment
  SEINET200739  Horkelia californica subsp. californica J. P. Tracy 1906-6-24 2503 Humboldt Region about Humboldt Bay S slope of Humboldt Hill 0 Comment
  CAS-BOT-BC144081  Horkelia sericata Harley P. Chandler 1901-6-1 1543 Humboldt Klamath RIver 426 Comment
  HSC97225  Horkelia tridentata var. flavescens K. Auker, R. Battleson 2007-6-11 6 Humboldt 11.9 mi. S of Hwy. 299 on USFS Rd. NF1 1585 Comment
  HSC99466  Hosackia oblongifolia var. oblongifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 120 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CHSC866  Hosackia rosea V. Holt 1941-5-30 Humboldt Comment
  CDA20057  Hydrocotyle ranunculoides R. Spadoni, Green 2002-10-9 PDR P 070866 -B Humboldt Pacific Lumber Co, Scotia. 0 Comment
  HSC57682  Hydrophyllum occidentale G. L. Clifton, Griswold 1979-7-25 10890 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC98762  Hydrophyllum occidentale Cara Witte 2008-7-2 823 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  JEPS1642  Hydrophyllum tenuipes W. L. Jepson 1934-5-7 16691 Humboldt Bull Creek Comment
  UC427873  Hydrophyllum tenuipes Parks and Tracy 1930-5-25 863 Humboldt in redwoods along Middle Van Duzen River Comment
  HSC99506  Hypericum anagalloides K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 166 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC1714398  Hypericum formosum var. scouleri Joseph P. Tracy 1913-7 4393 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  POM203702  Hypericum formosum var. scouleri I. L. Wiggins 1932-7-18 5886 Humboldt Boggy meadow between Arcata and Bayside Comment
  UC1198404  Hypericum formosum var. scouleri Joseph P. Tracy 1920-7-25 5345 Humboldt Dows Prairie Northern Coast Ranges, Humboldt Bay, Dows Prairie 60 Comment
  HSC104442  Hypericum perforatum Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 16 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  UC668259  Hypericum perforatum Joseph P. Tracy 1937-4-3 15244 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  UC1199473  Hypochaeris glabra Joseph P. Tracy 1936-5-30 14835 Humboldt near Samoa; Humboldt Bay 6 Comment
  HSC78973  Hypochaeris glabra L. P. Janeway, Paul Wilson 1984-5-7 760 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  UC32896  Hypochaeris radicata Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5490 Humboldt near Camp Grant; North-Western California Comment
  CAS-BOT-BC311439  Hypochaeris radicata Doris K. Kildale 1925-7-17 1074 Humboldt Cutten - McDonald Tract - Eureka Comment
  SEINET11860415  Hypochaeris radicata Unknown 1933-8-6 s.n. Humboldt Eureka Comment
  HSC35707  Iliamna latibracteata Thomas W. Nelson, B. Reinhardt 1975-7-30 2091 Humboldt Grouse Creek side of Last Chance Ridge. Comment
  POM205521  Iliamna latibracteata F. W. Peirson 1923-7-11 s.n. Humboldt Between Eureka and Crescent City Comment
  RSA78186  Iris Rimo C. Bacigalupi 3414 Humboldt Under Pseudotsuga and Abies concolor, about Snow Camp meadow, ridge between Mad River and Redwood Creek (Bald Mountain) 1433 Comment
  SD42572  Iris macrosiphon Carl B. Wolf 1937-6-19 8913 Humboldt North Coast Range, 7 & 2/10 miles above Bridgeville, on grade to Dinsmores. Moist open forest ridge. 456 Comment
  HSC45313  Iris tenax subsp. klamathensis R. York 1978-5-11 163 Humboldt Along logging road off Bark Shanty Rd. above Orleans 610 Comment
  UC632469  Iris tenax subsp. klamathensis E. W. Gifford Jul 1939 Humboldt Orleans Comment
  HSC35034  Iris tenuissima Thomas W. Nelson, James Nelson 1975-5-24 1856 Humboldt McKeown Ranch, N of Dinsmore Comment
  SEINET3875940  Iris tenuissima Thomas Nelson, James Nelson 1973-5-28 935 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  UC14924  Iris tenuissima Harley P. Chandler Jun 1901 1529 Humboldt Klamath River; North Coast Ranges Comment
  HSC97561  Iris tenuissima subsp. tenuissima Cara Witte 2007-6-1 162 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1311 Comment
  HSC61723  Isatis tinctoria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 238 Comment
  RSA43869  Isatis tinctoria H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  HSC90255  Jaumea carnosa Jean Hanson 1980-6-22 84 Humboldt Indian ( Gunther) Island. In Humboldt Bay, city of Eureka. W end of island. Ca. 15 ft. from high tide line Comment
  UC275455  Jaumea carnosa Joseph P. Tracy 1927-8-2 7222 Humboldt Big Lagoon Northern Coast Range 6 Comment
  UC1103049  Juncus balticus subsp. ater Joseph P. Tracy 1904-7-31 2128 Humboldt Eureka Northern Coast Region 0 Comment
  HSC34705  Juncus bolanderi Thomas W. Nelson 1974-7-20 1699 Humboldt McKeown Ranch N of Dinsmore Comment
  UC963870  Juncus bufonius H. E. Parks and S. T. Parks 1943-7-1 24254 Humboldt Spruce Cove North Coast Ranges, Trinidad 60 Comment
  CHSC19493  Juncus bufonius var. bufonius Norman Dennis 1965-6-19 128 Humboldt About 1/4 mile south and 1 mile east of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles southeast of Kneeland. 792 Comment
  HSC14098  Juncus bufonius var. occidentalis H. E. Parks, J. P. Tracy 1935-6-16 11273 Humboldt Buck Mt., lower NW slopes 793 Comment
  HSC98855  Juncus covillei Cara Witte 2008-7-30 972 Humboldt Forest Service Road 5N04. 1/4 mile east of intersection with Forest Service Road 4N70. 1583 Comment
  HSC98575  Juncus ensifolius Cara Witte 2008-8-6 1012 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  UC1152105  Juncus exiguus Joseph P. Tracy 1930-7-17 8982 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  RSA246769  Juncus falcatus subsp. sitchensis Robert F. Thorne, Percy C. Everett 1965-8-7 35175 Humboldt Big Lagoon. 2 Comment
  UC249812  Juncus falcatus var. falcatus Joseph P. Tracy 1924-7-13 6723 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC184194  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1913-6-17 4168 Humboldt near Buck Mountain summit; Northern Coast Ranges 1524 Comment
  UC1152104  Juncus hesperius Joseph P. Tracy 1938-6-15 15938 Humboldt 2 mi e Carlotta 30 Comment
  HSC63878  Juncus laccatus M. A. Baker 1979-6-29 957 Humboldt Hopkins Creek 750 Comment
  HSC58113  Juncus mertensianus G. L. Clifton, Griswold 1979-8-1 12069 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC99032  Juncus patens Cara Witte 2008-7-14 896 Humboldt Cold Spring. 0.5 mi. S of Titlow Hill. 1440 Comment
  UC419021  Juncus phaeocephalus H. E. Parks and J. P. Tracy 1924-8-3 Humboldt Big Lagoon Comment
  SEINET8567059 Image available Juncus xiphioides John Thomas Howell 1936-8-28 12882 Humboldt 4.5 miles from Dinsmores on road to Bridgeville Comment
  CAS-BOT-BC235891  Keckiella corymbosa C. Epling; Wm. Robison 1935-7-24 s.n. Humboldt Dyerville Comment
  JEPS15153  Keckiella corymbosa H. L. Person 1932-7-31 Humboldt Korbel Eureka Quad. (Mad River, Camp 16) Comment
  SBBG66501  Keckiella corymbosa L. Rowntree 1931-7-21 Humboldt Mattole River bridge, near Petrolia Comment
  JEPS10903  Keckiella lemmonii Lincoln Constance 1934-6-27 937 Humboldt Dyerville South Fork Eel River, Bull Creek Region (near Eel River junction with South Fork, on s side of Eel River, 0.5 mi nw of South Fork P.O. and railroad station, end of railroad bridge) Comment
  UC213143  Keckiella lemmonii E. Ethel Tracy 1919-8-1 Humboldt Trinity Summit; Northern Coast Ranges 1524 Comment
  UC577411  Keckiella lemmonii Joseph P. Tracy 1930-7-25 8883 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC76232  Kelloggia galioides Teresa Prendusi 1981-7-21 265 Humboldt Near Whiteys Peak 1646 Comment
  HSC28175  Kickxia elatine David Johnson 1973-11-15 Humboldt West End Rd., 50 yds. N of Hwy. 101 overpass, beside railroad tracks Comment
  UCD125067  Lamium purpureum Joseph P. Tracy 1945-5-10 17508 Humboldt Eureka. 45 Comment
  HSC14214  Lamium purpureum S. J. Roberts 1965-4-10 26 Humboldt Dike of old Mad River channel Comment
  UC1199132  Lasthenia californica subsp. californica Joseph P. Tracy 1922-5-29 6083 Humboldt South Yager Creek valley Northern Coast Ranges, South Yager Creek valley 762 Comment
  CAS-BOT-BC213491  Lathyrus jepsonii subsp. californicus Alice Eastwood; John Thomas Howell 1937-6-23 4769 Humboldt Near Dinsmore's. Comment
  SD50721  Lathyrus latifolius Darley F. Howe 1959-8-4 2807 Humboldt 9 miles from Arcata on Hwy 299, dry hillside 121 Comment
  RSA520696  Lathyrus littoralis Glenn A. Gorelick 1967-6-4 s.n. Humboldt Samoa Beach, near Eureka. Comment
  UC1199081  Lathyrus littoralis Joseph P. Tracy 1933-5-20 12223 Humboldt Cape Mendocino 6 Comment
  UC864462  Lathyrus littoralis H. E. Parks 1930-5-24 798 Humboldt Little River Lagoon Comment
  UCD106379  Lathyrus littoralis Roman Gankin 1965-8-6 552 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  UCR122373  Lathyrus littoralis George K. Helmkamp, E. A. Helmkamp 2001-7-8 7014 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC49393  Lathyrus littoralis R. York 1979-5-15 291 Humboldt Coastal strand opposite the Louisiana Pacific Mill in Samoa. Comment
  RSA406672  Lathyrus littoralis J. P. Smith, T. W. Nelson 1977-6-30 9217 Humboldt Samoa Peninsula just east of the drag strip. Comment
  RSA90281  Lathyrus littoralis F. W. Peirson 1923-7-11 3623 Humboldt 18 miles north of Eureka. Comment
  HSC48740  Lathyrus nevadensis var. nevadensis Brad Klipfel 1973-6-10 65 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC64184  Lathyrus vestitus var. ochropetalus J. O. Sawyer, M. A. Ericksen 1979-6-23 3391 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  JEPS55330  Lathyrus vestitus var. ochropetalus W. L. Jepson 1902-6-24 1930 Humboldt Korbel to Angel's Ranch (n Humboldt County) Comment
  HSC104093  Layia carnosa Kyle Brown Apr 2015 33 Humboldt Ma-le'l Dunes; ~.25 mi. NW of parking lot 3 Comment
  UC34740  Layia carnosa W. C. Blasdale 1896-6-2 Humboldt Comment
  JEPS40028  Layia gaillardioides Lincoln Constance 1934-6-3 804 Humboldt road from High Rock (on Redwood Hwy 1 mi n of Dyerville) to Horse Prairie; South Fork Eel River Comment
  UC249862  Leersia oryzoides Joseph P. Tracy 1924-8-31 6836 Humboldt Klamath River at Bluff Creek Bluff Creek; Northern Coast Ranges, Klamath River, Bluff Creek 91 Comment
  UC1245362  Lepidium heterophyllum Mrs. Archie Cathey Jul 1933 Humboldt near Miranda (at Cathey Ranch) 304 Comment
  UCD115838  Lepidium strictum Joseph P. Tracy 1946-5-30 17540 Humboldt Vicinity of Carlotta. 30 Comment
  CAS-BOT-BC13039  Lepidium virginicum var. menziesii Volney Rattan 1878-1-1 s.n. Humboldt Hoopa Valley. Comment
  UC1537470  Leptosiphon latisectus Gordon H. True Jr. 1936-5-11 459 Humboldt 12 mi w Miranda (e slope of Elk Ridge); Elk Ridge 457 Comment
  CDA39220  Lessingia nemaclada D. Juliano 2013-8-1 PDR# 120 P06003678 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  CAS-BOT-BC334615  Leucanthemum vulgare L. R. Abrams 1916-7-18 6076 Humboldt Between Arcata and Trinidad Comment
  HSC67896  Leucanthemum vulgare J. P. Smith 1973-5-26 6806 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC48404  Lewisia leeana Brad Klipfel 1973-6-10 94 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC682047  Leymus mollis subsp. mollis G. L. Stebbins Jr. and G. L. Church 1941-5-26 3105 Humboldt s Trinidad; Little River Comment
  HSC99522  Ligusticum apiifolium K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 185 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC99548  Ligusticum apiifolium K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 213 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET231011 Image available Ligusticum grayi A. Tiehm 1985-7-26 10005 Humboldt Santa Rosa Range seep at the head of Morey Creek E of Ridge crest at S end of range Comment
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Oct 28 2014
  HSC90663  Lilaeopsis occidentalis Gail Newton 1982-6-10 3636 Humboldt Elk River Wildlife Area, Eureka Comment
  JEPS17499  Lilaeopsis occidentalis W. L. Jepson 1921-8-7 9333 Humboldt Stone Lagoon Comment
  CAS-BOT-BC508396  Lilium columbianum Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Divide west of Willow Creek Comment
  RSA46685  Lilium columbianum Doris K. Kildale 1937-7-18 15138 -a Humboldt Horse Mt. Comment
  RSA130331  Lilium kelloggii Albert M. Vollmer, L. Beane 1953-07 119 Humboldt Freshwater Comment
  RSA256588  Lilium occidentale Thomas W. Nelson, Doris Niles 1974-6-24 s.n. Humboldt Wiggens Ranch just west of the garbage dump. Comment
  SEINET4063663  Lilium occidentale O. M. Clark 1932-1 Humboldt Comment
  UC177231  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  CAS-BOT-BC130732  Lilium pardalinum Doris K. Kildale 1928-7-25 5693 Humboldt Chalk Mountain 914 Comment
  UCSB698  Lilium pardalinum Phillips, Priscilla 1958-6-7 Humboldt On Highway 101, 14.1 mi. south of Prairie Creek Redwoods State Park (north of Trinidad) Comment
  HSC65215  Lilium pardalinum subsp. vollmeri T. Jimerson, J. Pageau, B. Marcot 1979-8-10 712 Humboldt Off trail 6E18 between Tish Tang Creek and tributary 1341 Comment
  HSC77937  Lilium pardalinum subsp. vollmeri D. K. Imper 1982-7-23 1495 Humboldt Near Onion Lake. 1371 Comment
  CAS-BOT-BC132969  Lilium rubescens Ella Dales Cantelow 1939-6-4 2443 Humboldt 6 1/10 mi. s. of Bridgeville on road from Alder Point Comment
  HSC72679  Lilium rubescens J. P. Smith 1977-7-3 9243 Humboldt Road to Onion Mtn., 1/4 mile from its junction with USFS Rd. 10N41 762 Comment
  HSC98357  Lilium vollmeri T. Jimerson, J. Pageau 1979-6-22 600 Humboldt Near Bee Mtn., close to the town of Orleans 656 Comment
  UC176376  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1913-7-20 4366 Humboldt ridge between Redwood Creek and Willow Creek (on Willow Creek road); Northern Coast Ranges 914 Comment
  HSC15780  Limnanthes douglasii D. E. Anderson 1965-5-8 3634 Humboldt 4 mi. E of Berry Summit along Hwy. 299 Comment
  HSC28137  Limnanthes douglasii J. D. Ackerman 1973-5-28 49 Humboldt Hwy. 299, Berry Summit. Comment
  UC668278  Limnanthes douglasii subsp. douglasii Joseph P. Tracy 1993-5-20 12246 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
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Jun 28 2015
  HSC63016  Limnanthes douglasii subsp. nivea David Wheeler 1979-5-23 136 Humboldt About 1/2 mi. towards Bridgeville from the Jct. at High Prairie. Comment
  UC427875  Linanthus androsaceus H. E. Parks, J. P. Tracy 1930-5-25 794 Humboldt vicinity Bridgeville; Laribee Valley Comment
  UC146166  Linanthus bicolor Joseph P. Tracy 1908-6-9 2650 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS58445  Linanthus harknessii Joseph P. Tracy 1933-7-25 12832 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1198538  Linanthus harknessii Harold E. Parks and Joseph P. Tracy 1934-6-27 11086 Humboldt Grouse Mt. 1432 Comment
  UC908619  Linanthus nuttallii subsp. nuttallii Joseph P. Tracy 1935-6-23 13968 Humboldt French Camp Ridge 1066 Comment
  RSA183497  Linaria canadensis J. R. Woodside 1963-5-11 8 Humboldt 1.25 miles north of Fairhaven. Comment
  UCSB8725  Linaria vulgaris Phillips, Priscilla 1958-6-7 Humboldt Patrick's Point; near Trinidad Comment
  HSC76302  Linnaea borealis subsp. longiflora Teresa Prendusi 1981-7-9 174 Humboldt Near Cedar Camp. 1268 Comment
  UC1239561  Linnaea borealis var. longiflora Joseph P. Tracy 1926-6-6 7579 Humboldt near summit on road w from Hoopa to Bair's Hoopa Mountain; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  UC28473  Linnaea borealis var. longiflora J. Burtt Davy 1899-6-21 5741 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 609 Comment
  HSC63066  Linum bienne David Wheeler 1979-5-23 135 Humboldt Humboldt State University campus by the Plant Operations yard. Comment
  HSC89417  Linum bienne P. A. Daly 1986-1-20 46 Humboldt Trinidad Head, along trail 61 Comment
  SDSU8125  Linum bienne D. F. Howe 1961-8-1 Humboldt 9 miles north of Arcata on #101. Comment
  HSC15806  Linum lewisii Frances Oldridge 1946-1 Humboldt Fickle Hill Comment
  UC668019  Lipocarpha aristulata Joseph P. Tracy 1931-9-7 9650 c Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1103631  Lipocarpha occidentalis Joseph P. Tracy 1920-8-15 5368 Humboldt Klamath R. at mouth of Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  UC1222184  Listera caurina Joseph P. Tracy 1951-6-26 19555 Humboldt Snow Camp Comment
  CAS-BOT-BC136461  Listera cordata Greg de Nevers 2001-4-17 12250 Humboldt Field redacted by CAS, contact the data manager for more information 91 Comment
  RSA0049664  Listera cordata Dean Wm. Taylor 2011-5-4 21113 Humboldt Alderpoint Road in the vicinity of headwaters of Knack Creek 777 Comment
  UC400346  Lithocarpus densiflorus unknown Humboldt above Korbel Comment
  RSA273403  Lithocarpus densiflorus var. densiflorus Thomas W. Nelson, Jane Nelson 1976-2-21 2247 Humboldt Beside the Hoopa-Redwood Valley Rd. ca. 5 mi. west of Hoopa. Comment
  SFV7744  Lithocarpus densiflorus var. densiflorus T. Gordon, K. Kimbrough 1975-8-22 1226 Humboldt Humboldt Redwoods State Park. 61 Comment
  UC492223  Lithophragma Joseph P. Tracy 1932-4-24 9823 Humboldt South Fork of Eel River between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC902095  Lithophragma Joseph P. Tracy 1946-6-23 17591 Humboldt Kneeland Prairie 762 Comment
  HSC32859  Lithophragma affine Thomas W. Nelson, James Nelson 1973-5-28 941 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC98097  Lithophragma campanulatum Cara Witte, Michael Scott 2007-6-22 344 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1494 Comment
  HSC73961  Lithophragma heterophyllum Gail Newton 1980-6-7 130 Humboldt Near Brush Mtn. 1128 Comment
  HSC45627  Lithophragma parviflorum Diane L. Reed 1978-5-27 134 Humboldt Horse Mountain. Titlow Hill Road, 2.7 mi. from Hwy. 299 Comment
  HSC100489  Lolium perenne Carl C. Marshall Jun 1886 226 Humboldt Near Arcata. Comment
  UCD66476  Lolium perenne Collector Unknown 1923-7-18 23 Humboldt Petrolia. Comment
  UC33879  Lolium temulentum Chesnut and Drew 1888-7-13 Humboldt Campbell's Comment
  HSC66291  Lomatium ciliolatum var. ciliolatum M. A. Baker 1980-6-8 1896 Humboldt Near Buck Flat. 1554 Comment
  JEPS17125  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1902-6 1891 Humboldt Fort Seward Ranch ridge (= Mail Ridge) 1066 Comment
  HSC34919  Lomatium dissectum var. dissectum Thomas W. Nelson, James Nelson 1975-5-24 1855 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC642327  Lomatium dissectum var. dissectum Joseph P. Tracy 1928-6-24 8460 Humboldt Valley of S. Yager Creek 762 Comment
  HSC55353  Lomatium macrocarpum Terry Griswold, Butler 1979-7-12 7279 Humboldt Near Cedar Creek 1158 Comment
  HSC56050  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-31 11646 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC673273  Lomatium macrocarpum Lincoln Constance and Reed C. Rollins 1942-5-12 2882 Humboldt 5 mi. n.e. Weitchpec (Klamath R. 1 mi. s. of Bluff Creek); Klamath-Siskiyou Region, Klamath R. 121 Comment
  UC249606  Lomatium nudicaule Joseph P. Tracy 1922-4-30 6023 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  UC1197146  Lomatium triternatum var. triternatum Joseph P. Tracy 1930-7-10 8875 Humboldt Northern Coast Ranges, Brannan Mt. 1066 Comment
  HSC97097  Lomatium utriculatum Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 2 Humboldt 7.4 mi. S of Hwy. 299 on NF1, Coldspring Camp 1372 Comment
  UC1222487  Lonicera conjugialis Joseph P. Tracy 1950-8-8 19287 Humboldt Croghan Hole Trinity Summit 1676 Comment
  CAS-BOT-BC240478  Lonicera hispidula L. B. Kildale 1930-9-21 10216 Humboldt Bluff Creek trail to Fish Lake Comment
  HSC95659  Lonicera hispidula var. vacillans Steven Lee 2004-4-25 22 Humboldt South Fork Rd., from Hwy. 299 to County Rd. 341, 1/8 mi. down river access trail at end of Rd. Comment
  CAS-BOT-BC241490  Lonicera involucrata var. ledebourii Alice Eastwood 1923-8-14 12306 Humboldt Samoa Comment
  CAS-BOT-BC241495  Lonicera involucrata var. ledebourii D. E. Breedlove 1962-6-7 3047 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC62897  Lonicera involucrata var. ledebourii J. M. DiTomaso 1979-4-1 836 Humboldt 3 mi. S of Arcata, on Samoa Rd. Comment
  SBBG69582  Lonicera involucrata var. ledebourii S. W. Hutchinson -Apr-1927 91 Humboldt near Eureka 8 Comment
  UC1239556  Lonicera involucrata var. ledebourii Joseph P. Tracy 1923-6-17 6269 Humboldt Big Lagoon 3 Comment
  UC1239558  Lonicera involucrata var. ledebourii Joseph P. Tracy 1933-5-20 12219 Humboldt Capetown Bear River 30 Comment
  UC602564  Lonicera involucrata var. ledebourii Joseph P. Tracy 1937-6-20 15343 Humboldt 10 miles upstream from mouth Bear River 152 Comment
  HSC28150  Lotus aboriginus Chris Gist 1971-6-19 39 Humboldt Hwy. 299, 10 mi. E of Blue Lake. Comment
  CDA4163  Lotus corniculatus Gordon Leppig 1997-6-19 444 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  UC1223431  Lotus denticulatus Joseph P. Tracy 1941-6-29 16943 Humboldt 2 mi nw of Valley proper Van Duzen River (along Van Duzen River) Comment
  POM18325  Lotus formosissimus W. C. Blasdale 1896-5-31 7471 Humboldt Eureka Comment
  UC80965  Lotus formosissimus T. S. Brandegee Jun 1891 Humboldt Eureka Comment
  UC33503  Lotus formosissimus Chesnut and Drew 1888-7-8 Humboldt near Campbell's Comment
  UC1197297  Lotus micranthus Joseph P. Tracy 1911-7-7 3435 Humboldt viz ridge n of Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  JEPS19455  Lotus micranthus Joseph P. Tracy 1917-5-30 4795 Humboldt Northern Coast Region, mouth of Little River Little River; Northern Coast Region, Little River 6 Comment
  UC1223424  Lotus pinnatus Joseph P. Tracy 1942-6-15 17134 Humboldt Englewood Prairie Comment
  JEPS55745  Lotus purshianus var. purshianus Lincoln Constance 1934-5-26 667 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  UC160992  Lotus purshianus var. purshianus Joseph P. Tracy 1911-8-27 3536 Humboldt Eureka Northern Coast Region 0 Comment
  UC726367  Lotus purshianus var. purshianus A. A. Heller 1923-7-9 13778 Humboldt 5 mi from Arcata (near Blue Lake) Comment
  POM276673  Lotus scoparius var. scoparius Lyman Benson 1928-7-1 468 Humboldt Weott Ranger Station. 61 Comment
  UC162810  Lotus wrangelianus Joseph P. Tracy 1909-5-16 2967 Humboldt near Trinidad; Northern Coast Ranges 15 Comment
  UC1196933  Ludwigia palustris Joseph P. Tracy 1931-9-7 9665 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  UC1196932  Ludwigia palustris Joseph P. Tracy 1948-7-26 18076 Humboldt mouth of Willow Creek Lack Pond; Northern Coast Ranges, Trinity R. Valley, Lack Pond 152 Comment
  SEINET10488366  Lupinus albicaulis John O. Sawyer, R. J. Cole 1977-7-3 Sawyer 3016 Humboldt Hoopa quad. T8n,r5e,sec.14. Environs of mud spring. Big hill road. White fir Forest (f.s.8n01) 1524 Comment
  SEINET12154351  Lupinus albicaulis var. shastensis J. P. Tracy 1940-1 16687 Humboldt Wilder Range Comment
  SEINET12154337  Lupinus albifrons J. P. Tracy 1939-1 16289 Humboldt nr Dinsmore's. along Van Duzen Rever, opposite Buck Mtn 762 Comment
  CDA18904  Lupinus albifrons var. collinus P. Haggard, Spadoni 2000-5-31 PDR 1170224 Humboldt North Coast Ranges; Along US Forest Service Hwy 1 in the vicinity of Eureka. 0 Comment
  HSC49997  Lupinus andersonii M. A. Baker 1979-6-7 789 Humboldt W slope of Snow Mtn. 762 Comment
  RSA25890  Lupinus arboreus var. arboreus Carl B. Wolf 1937-9-9 3654 Humboldt 2 miles S of Cape Mendocino. 6 Comment
  CDA27401  Lupinus bicolor J. Lumbert, J. Robinson 2005-6-8 6 Humboldt 0.4 mile south of Highway 299 on Titlow Hill Road. Comment
  JEPS64982  Lupinus bicolor Lincoln Constance 1934-5-26 664 Humboldt s end Dyerville (South Fork Eel River); South Fork Eel River 45 Comment
  RSA256586  Lupinus bicolor Lon Hall 1975-5-24 382 Humboldt Samoa Dunes; Dunes from off Samoa Blvd. across from the boat landing; coastal strand. Comment
  SEINET6932627  Lupinus bicolor Wanda P. Vestal, A. G. Vestal 1937-6-19 s.n. Humboldt Terrace west of Eel River, 2 miles west of Gaberville. Comment
  JEPS109559  Lupinus elmeri Dean Wm. Taylor, Tom Engstrom 2002-7-19 18250 Humboldt South Fork Mountain, Blake Mountain, opening along Forest Road 1 ca. 0.5 mi N of the highest point on the ridge 1737 Comment
  HSC59663  Lupinus latifolius George Kirn 1977-10-30 Humboldt Near rail bridge over Elk River 6 Comment
  HSC39678  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-6-16 2744 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  POM276514  Lupinus latifolius subsp. latifolius Lyman D. Benson 1929-7-19 1867 Humboldt Road to Matole River above Bull Creek. Comment
  HSC74224  Lupinus latifolius subsp. viridifolius M. A. Baker 1980-7-19 3018 Humboldt Near Bret Hole. 1814 Comment
  UC169060  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-7-3 3719 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC14918  Lupinus lepidus Allan R. Marshall 1962-5-13 15 Humboldt W side of Redwood Creek Bridge, along Hwy. 299 259 Comment
  POM276552  Lupinus littoralis Lyman D. Benson 1928-7-10 446 Humboldt Clam Beach, Trinidad. 12 Comment
  UC146917  Lupinus littoralis Harley P. Chandler May, 1901 1147 Humboldt Samoa North Coast Ranges, Humboldt Bay (Humboldt Bay) 3 Comment
  RSA0084061  Lupinus obtusilobus Jane P. Nelson 1974-5-27 1318 Humboldt Mendocine National Forest near Mendocino Pass. 1524 Comment
  SEINET10486156  Lupinus polycarpus Charles R. Gunn 1963-6-3 Gunn 2702 Humboldt 1/2 mi s of korbel on gravel road. In ditch along south mad river. Comment
  HSC100523  Lupinus rivularis Carl C. Marshall May 1886 211 Humboldt Everywhere. Comment
  RSA95499  Lupinus rivularis L. S. Rose 1954-4-24 54012 Humboldt Garberville 152 Comment
  UC429121  Luzula comosa var. laxa Joseph Burtt Davy 1899-6-11 5469 Humboldt Elk Prairie Comment
  HSC59471  Luzula parviflora M. A. Ericksen 1979-5-9 261 Humboldt Behind Jolly Giant Creek HSU campus, Arcata Comment
  RSA69739  Luzula parviflora F. W. Peirson 1923-7-11 3673 Humboldt About 3 miles north of Orick. Comment
  HSC23836  Lycopodium clavatum R. A. Vanbianchi 1971-11-19 101 Humboldt Comment
  UC1440267  Lycopodium clavatum L. L. Kiefer and D. Branscomb 1964-5-20 1435 Humboldt on Kuntz property 1 mi e Moonstone Beach (near Trinidad) 152 Comment
  CDA42448  Lycopodium clavatum Gordon Leppig 2004-2-3 2130 Humboldt The Pacific Lumber Company land, northeast edge of THP 1-00-032 HUM, Unit 1. Comment
  LA31994  Lycopus uniflorus H. E. Parks; Joseph P. Tracy 1924-8-3 6765 Humboldt Big Lagoon 6 Comment
  UC577390  Lycopus uniflorus Joseph P. Tracy 1934-7-30 13513 Humboldt along coast in front of S. End of Stone Lagoon (Dry Lagoon) 3 Comment
  RSA21016  Lysichiton americanus Carl B. Wolf 1937-9-11 9325 Humboldt Redwood Highway, 3 miles N of Orick at Davison s Ranch on Prairie Creek. 61 Comment
  HSC62980  Lythrum hyssopifolia David Wheeler 1979-5-22 128 Humboldt Samoa, intersection of Samoa Blvd. and the railroad tracks near Arcata Redwood Co. Comment
  HSC100370  Lythrum salicaria L. D. Hoover 1996-4-29 Humboldt Along Hwy. 36, private property (Simmons). Comment
  UC1199114  Madia Joseph P. Tracy 1906-7-4 2537 Humboldt on bar of Yager Creek; Hydesville 60 Comment
  POM284990  Madia citriodora Lyman Benson 1929-7-11 1784 Humboldt Humboldt County: S of Garberville Comment
  CAS-BOT-BC342808  Madia elegans L. R. Abrams 1918-6-15 7120 Humboldt Brannan Mt near Willow Creek 1371 Comment
  UC176862  Madia elegans Joseph P. Tracy 1911-7-6 3355 Humboldt between Three Creeks and mouth of Willow Creek 762 Comment
  UC195538  Madia elegans Joseph P. Tracy 1908-6 2683 Humboldt near bridge across Little Van Duzen (nw slope of Buck Mountain); Northern Coast Ranges, Buck Mountain 762 Comment
  CAS-BOT-BC344358  Madia exigua David D. Keck 1944-7-11 5501 Humboldt 5 mi. W. of Briceland on road to Ettersburg Comment
  HSC35783  Madia gracilis Thomas W. Nelson, B. Reinhardt 1975-7-30 2090 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  HSC40046  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1976-7-1 2902 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC44541  Madia gracilis Brad Klipfel 1973-7-15 160 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC175195  Madia gracilis Joseph P. Tracy 1913-6-22 4258 Humboldt Dinsmore's Ranch; Valley of Van Duzen River, Buck Mountain 762 Comment
  RSA554592  Mahonia aquifolium W. Wisura 1993-5-9 4910 Humboldt Northwest: Hwy 299, 5.7 mi. W of Willow Creek at E-fork camp ground. Comment
  HSC15596  Maianthemum dilatatum W. R. Brigham 1962-5-19 6 Humboldt S of Big Lagoon. Comment
  HSC41942  Maianthemum racemosum subsp. amplexicaule Richard G. Runyon 1977-4-23 9 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC48402  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1973-6-10 96 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA377681  Maianthemum racemosum subsp. amplexicaule W. Hutchinson s.n. Humboldt [no locality specified] Comment
  HSC53946  Maianthemum stellatum Griswold, Butler 1979-7-11 6994 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  RSA24192  Maianthemum stellatum Carl B. Wolf 1941-3-2 9982 Humboldt Along north bank of the Van Duzen River, 4.8 miles above Carlotta 61 Comment
  HSC100442  Malacothrix obtusa Carl C. Marshall Jun 1887 458 Humboldt Near Harris. Comment
  HSC15994  Malva nicaeensis Paul Shields 1955-6-3 Humboldt HSC campus Comment
  HSC23743  Marah oregana Tim Baroni 1971-7-6 122 Humboldt About 5 mi. S of Ferndale on the Mattole Rd. Comment
  HSC7034  Marah oregana D. B. Bader 1963-4-1 47 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  HSC7035  Marah oregana D. E. Anderson 1962-3-31 1952 Humboldt Coastal area of Prairie Creek State Park Comment
  JEPS42487  Marah oregana W. L. Jepson 1897-7-31 14136 Humboldt De Haven to Fort Bragg Comment
  UC168954  Marah oregana Joseph P. Tracy 1909-5-30 2980 Humboldt Eureka Northern Coast Region 0 Comment
  UCSB15707  Marah oregana Breedlove, Dennis 1961-7-4 Humboldt North bank of the Mad River, 1 mile east of Blue Lake on U.S. Highway 299 243 Comment
  HSC29883  Matricaria discoidea Thomas W. Nelson 1971-11-11 599 Humboldt Foot of Murray Rd., McKinleyville. Comment
  HSC100443  Matricaria discoidea Carl C. Marshall May 1886 215 Humboldt Roadsides, etc. Humboldt Bay. Comment
  HSC48059  Medicago arabica Thomas W. Nelson 1978-4-24 3889 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC47496  Medicago polymorpha Sheila Logan 1978-4-9 20 Humboldt Fieldbrook, 1/2 mi. E of McKinleyville on Murray Rd. 122 Comment
  UC526915  Melica bulbosa Joseph P. Tracy 1932-7-12 10445 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC10337  Melica californica J. A. Waller 1965-5-2 31 Humboldt Along Hwy. 96 near Willow Creek. Comment
  CAS-BOT-BC240328  Melica harfordii Dana York; Kim Hayler 2012-5-18 3105 Humboldt Six Rivers National Forest, near Somes Bar, 585 meters SE of the confluence of the Klamath and Salmon rivers, E and above highway 96 215 Comment
  SEINET200333 Image available Melica harfordii Joseph P. Tracy 1913-6-13 4116 Humboldt Bolander Rocky Mountain slopes; near summit of ridge between Van Duzen and Mad rivers on Dinsmore's Ranch. 1067 Comment
  UC188886  Melica harfordii J. Burtt Davy 1899-6-19 5657 Humboldt Hoopa Mt. summit; North Coast Ranges Comment
  CAS-BOT-BC262471  Melica subulata Joseph P. Tracy 1933-7-26 12910 Humboldt North Coast Ranges. Grouse Mountain 1524 Comment
  HSC10375  Melica torreyana A. H. Murphy 1951-4-18 20 Humboldt Ft. Seward. 183 Comment
  UC1197423  Melilotus albus Joseph P. Tracy 1920-8-15 5359 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  HSC59671  Melilotus albus George Kirn 1977-10-21 Humboldt Eureka, Bayfront, 1/2 mi. E of Hwy. 255 8 Comment
  RSA293200  Melilotus albus J. P. Smith 1973-5-26 6875 Humboldt Scotia Bluffs along the Eel River near Rio Dell.. Comment
  HSC15012  Melilotus officinalis Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  JEPS63289  Melissa officinalis W. L. Jepson 1936-8-6 17854 Humboldt Philipsville, S. Fork Eel R. S. Fork Eel R., Philipsville Comment
  SEINET3228190 Image available Mentha pulegium Joseph P. Tracy 1930-9-1 9175 Humboldt Miranda, along South Fork of Eel River 120 Comment
  HSC34216  Mentha pulegium J. P. Smith 1975-7-6 8356 Humboldt Sizzler Steak House on 5th St. Eureka Comment
  RSA424585  Mentha pulegium T. S. Elias, Barbara A. Elias 1987-8-26 10627 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge Comment
  HSC40674  Mentzelia dispersa Thomas W. Nelson, Jane Nelson 1976-7-1 2926 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC1198473  Mentzelia laevicaulis var. laevicaulis Joseph P. Tracy 1911-7-10 3501 Humboldt near: along Willow Creek mouth,Tributary of Trinity River; Northern Coast Ranges 152 Comment
  UC527824  Menziesia ferruginea Ira L. Wiggins 1932-6-18 5866 Humboldt 2 mi e of Bayside (along Jacoby Creek); Jacoby Creek Comment
  UCD102807  Micranthes californica K. Esau 1935-4-8 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC348376  Micropus californicus var. californicus M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  UC1199340  Micropus californicus var. californicus Joseph P. Tracy 1930-6-29 8827 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  CAS-BOT-BC348503  Micropus californicus var. californicus S. K. Harris; J. P. Tracy 1942-6-15 s.n. Humboldt Harris Road, 1 mile east of Garberville 30 Comment
  CHSC93621  Microseris borealis K. L. Chambers 1957-8-31 1225 Humboldt Lake Prairie, on road from Bald Mt. to Snow Camp, ca. 9 mi. S of Ranger Station. In bog, SE end of the lake. Comment
  SEINET11810179  Microseris laciniata H. P. Chandler 1901-1 1408 Humboldt Klamath River 244 Comment
  UC166792  Microseris laciniata subsp. laciniata Joseph P. Tracy 1909-7-31 3028 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC175982  Microseris laciniata subsp. leptosepala Joseph P. Tracy 1911-7-7 3402 Humboldt three mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC180173  Microseris laciniata subsp. leptosepala Joseph P. Tracy 1914-7-5 4564 Humboldt High Prairie Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  CAS-BOT-BC349240  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  HSC32274  Microseris nutans D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5628 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC102528  Microsteris gracilis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1515 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  SEINET200380  Microsteris gracilis J. P. Tracy 1930-6-21 8789 Humboldt Larrabee Valley 701 Comment
  RSA550828  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1116 Humboldt 0.8 mi s of Hwy 101 interchange access road (to Trinity town) along road to Luffenholtz Beach 50 Comment
  HSC102111  Mimulus breweri M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1014 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1196835  Mimulus grandis Joseph P. Tracy 1914-5-30 4483 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UCR45415  Mimulus guttatus Kenneth Clark 1980-5-10 659 Humboldt Western Beach, Point Delgada 15 Comment
  HSC89591  Mimulus guttatus M. Roantree 1985-5-15 45 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  UC1222801  Mimulus inodorus Joseph P. Tracy 1950-8-8 19283 Humboldt Croghan Hole Trinity Summit 1676 Comment
  HSC60082  Mimulus kelloggii M. A. Baker 1978-5-6 500 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  SEINET200707  Mimulus kelloggii H. P. Chandler 1901-6-1 1480 Humboldt N Coast Ranges Klamath River 427 Comment
  UC1196812  Mimulus kelloggii Joseph P. Tracy 1922-5-29 6080 Humboldt head South Yager Creek; Northern Coast Ranges 762 Comment
  UCD20373  Mimulus kelloggii K. Esau 1935-4-23 s. n. Humboldt Humboldt County, Fort Seward. Comment
  HSC55693  Mimulus moschatus Overton, Butler 1979-7-26 10014 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  HSC56179  Mimulus moschatus G. L. Clifton, Griswold 1979-8-1 12094 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC76046  Mimulus moschatus Overton, Butler 1979-8-2 12559 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC98001  Mimulus moschatus Cara Witte 2007-7-20 558 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  HSC44830  Mimulus moschatus Thomas W. Nelson, Jane Nelson 1977-7-4 3519 Humboldt Bog southwest of Alder Springs 1494 Comment
  RSA80459  Mimulus moschatus var. sessilifolius F. W. Peirson 1926-7-12 7038 Humboldt Orick. Comment
  HSC40029  Mimulus nanus var. nanus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2877 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  UC1196834  Mimulus nasutus Joseph P. Tracy 1912-7-26 3828 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC213145  Mimulus nasutus Joseph P. Tracy 1920-5-18 5329 Humboldt 4 mi above Dyerville; Northern Coast Ranges, South Fork Eel River 60 Comment
  UC582706  Mimulus nasutus Joseph P. Tracy 1927-3-27 7850 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC56037  Mimulus primuloides var. linearifolius G. L. Clifton, Griswold 1979-7-31 11602 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC1196780  Mimulus pulsiferae Joseph P. Tracy 1908-6 2828 Humboldt Buck Mountain Northern Coast Ranges (nw slope, along waterway) 1219 Comment
  SEINET6904196  Minuartia californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  CAS-BOT-BC388621  Minuartia douglasii Doris Kildale 1931-6-6 10875 Humboldt Gans Prairie, Orick - Weitchpec road Comment
  HSC58019  Minuartia pusilla G. L. Clifton 1979-7-31 11821 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC902093  Mitella diversifolia Joseph P. Tracy 1942-6-23 17235 Humboldt along trail from Hoopa to summit (near Box Camp); Trinity Summit 1524 Comment
  HSC44280  Mitella ovalis Barbara Kelly 1977-4-23 305 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  SEINET3996427 Image available Monardella odoratissima Joseph P. Tracy 1926-6-20 7657 Humboldt Horse Mountain 2225 Comment
  HSC102085  Monardella odoratissima subsp. glauca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 989 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC58069  Monardella odoratissima subsp. pallida G. L. Clifton, Griswold 1979-8-1 11953 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC101619  Monardella odoratissima subsp. pallida Cara Witte 2007-6-28 390 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  LA62409  Monardella sheltonii C. B. Wolf; 1934-7-1 5848 Humboldt along Eel River and redwood Highway, 1.2 mi. S of F. K. Lane Grove 60 Comment
  UC718021  Monardella villosa subsp. villosa Carl B. Wolf 1934-7-3 5923 Humboldt Weitchpec junction of Klamath & Trinity Rivers, 200 yards west of School. 304 Comment
  UCD101747  Montia diffusa Don Hagar 1956-5-14 59 Humboldt Brush Mountain, 6 miles southwest of Willow Creek. 914 Comment
  HSC32127  Montia fontana D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5587 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC229834  Montia howellii Joseph P. Tracy 1921-4-24 5431 Humboldt South Fork of Eel River (Phillipsville Flat); Northern Coast Ranges, , Phillipsville Flat 91 Comment
  HSC55129  Montia parvifolia G. L. Clifton, Terry Griswold 1979-8-1 11934 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC98550  Montia parvifolia Cara Witte 2008-6-27 765 Humboldt Along National Forest 1 on Kinsey Ridge. 1.5 mi. NE of intersection with 4N09. 1317 Comment
  HSC59071  Morella californica Thomas Wood 1979-5-4 153 Humboldt Big Lagoon Bog, E edge of bog 3 Comment
  HSC102098  Muhlenbergia filiformis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 985 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC526744  Muhlenbergia filiformis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8920 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in wet meadow) 1676 Comment
  RSA246866  Myriophyllum aquaticum Robert F. Thorne, P. C. Everett 1965-8-9 35330 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC77873  Myriophyllum sibiricum Ted Jacobson 1975-11-3 Humboldt Stone Lagoon 0 Comment
  HSC77875  Myriophyllum sibiricum William White 1975-5-25 Humboldt Orick Beach ponds Comment
  HSC77911  Myriophyllum spicatum Randy Nyman 1978-10-22 Humboldt Fish Lake 549 Comment
  UCD87901  Nassella lepida A. H. Murphy 1951-5-18 s.n. Humboldt 2.5 mi. northwest of Petrolia on rocky road cut along county road. Petrolia to Ferndale. Comment
  UCD87653  Nassella pulchra A. H. Murphy 1951-3-30 s.n. Humboldt Mattole Valley. Along roadside near Mattole River Grange Hall. Comment
  RSA43882  Navarretia intertexta H. M. Pollard 1948-7-18 s.n. Humboldt Near Orleans. Comment
  UC1198607  Navarretia intertexta Joseph P. Tracy 1934-7-9 13345 Humboldt Dobbyn Creek 152 Comment
  UC23651  Navarretia intertexta subsp. propinqua C. C. Marshall 1888-1 Humboldt Comment
  HSC81574  Navarretia mellita Thomas W. Nelson, Jane P. Nelson 1980-7-15 6068 Humboldt Old logging rds. SE of Lundbar Hills 30 Comment
  UC52442  Navarretia squarrosa J. P. Tracy 1903-8-9 1932 Humboldt immediate vicinity Eureka 0 Comment
  UCD39801  Navarretia tagetina Joseph P. Tracy 1942-7-18 17289 Humboldt Garberville. 152 Comment
  HSC36876  Nemophila menziesii J. P. Smith, J. O. Sawyer, J. Cole 1976-4-18 8612 Humboldt Bald Hills Rd., 17 mi. from its jct. with Hwy. 101 854 Comment
  UC1239741  Nemophila menziesii Joseph P. Tracy 1938-5-1 15729 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC32319  Nemophila parviflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5652 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC6967  Noccaea fendleri subsp. californica Paul Shields May 1955 Humboldt Kneeland Comment
  BLMAR149  Notholithocarpus densiflorus Donald Hazlett 1994-6-7 149 Humboldt King range, E-facing slope off horse mountain ridge 609 Comment
  HSC79504  Notholithocarpus densiflorus var. densiflorus Kenneth Clark 1980-6-14 692 Humboldt N Fork of Dead Man's Gulch; throughout Shelter Cove 61 Comment
  HSC41314  Notholithocarpus densiflorus var. echinoides Brad Klipfel 1974-9-2 541 Humboldt Horse Mountain Comment
  CAS-BOT-BC400083  Nuphar polysepala Carl B. Wolf 1937-9-9 9309 Humboldt 1 mi. So. of Capetown on road to Cape Mendocino 91 Comment
  CAS-BOT-BC142291  Oemleria cerasiformis Joseph P. Tracy 1937-4-3 15249 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC142300  Oemleria cerasiformis C. Hart Merriam 1918-8-11 s.n. Humboldt Blue Lake Comment
  HSC18704  Oemleria cerasiformis D. E. Anderson 1962-2-25 1925 Humboldt 1 mi. W of Ferndale along Centerville Beach Rd. Comment
  HSC93223  Oemleria cerasiformis Gordon Leppig 1998-3-9 713 Humboldt Arcata, West End Rd., 0.3 mi. W of Ericson Way 30 Comment
  UC902146  Oemleria cerasiformis Joseph P. Tracy 1946-5-30 17550 Humboldt Carlotta; flat by old Strong's District School House, 5 mi e of town 60 Comment
  HSC39449  Oenanthe sarmentosa Linda M. Barker 1976-8-24 1686 Humboldt 3 mi. W of Arcata Comment
  RSA0004550  Oenothera hookeri subsp. wolfii Carl B. Wolf, E. R. Johnson 1934-12-11 6172 Humboldt Redwood Highway just south of Trinidad. 30 Comment
  HSC16684  Orobanche californica subsp. californica Jerry Parker 1968-10-26 205 Humboldt Big Lagoon, dredged sand-spit opposite Sphagnum bog. Comment
  RSA0059232  Orobanche californica subsp. californica Harold E. Parks, Joseph P. Tracy 1924-8-3 6761 Humboldt Big Lagoon. 6 Comment
  BLMAR257  Orobanche pinorum Jennifer Anthony-Wheeler 1997-7-10 257 Humboldt King range, UNCOMMON, parasitized ocean spray, growing on rocky, open forest slope 304 Comment
  HSC102611  Orobanche uniflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1598 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC98561  Orobanche uniflora Cara Witte 2008-6-15 733 Humboldt Coldspring Camp. 1410 Comment
  UC1197442  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1941-4-26 16865 Humboldt Kneeland Prairie. Comment
  UC35308  Orobanche uniflora subsp. occidentalis W. C. Blasdale 1896-6-8 Humboldt Graham's. Comment
  CAS-BOT-BC458029  Orthilia secunda Carl B. Wolf 1937-8-13 9264 Humboldt North Coast Range, 12 mi. E of Hoopa Valley on new road twoards Trinity Summit 1676 Comment
  HSC56040  Orthocarpus imbricatus G. L. Clifton, Terry Griswold 1979-7-31 11605 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  SEINET4096670  Orthocarpus tenuifolius O. M. Clark 1932-1 5693 Humboldt South Eureka. Comment
  HSC55971  Osmorhiza occidentalis G. L. Clifton, Overton 1979-7-31 11355 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1433 Comment
  HSC75448  Osmorhiza occidentalis J. O. Sawyer 1980-7-18 3582 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC646621  Osmorhiza occidentalis Joseph P. Tracy 1930-6-29 8810 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
  HSC22861  Osmorhiza purpurea D. E. Anderson 1965-5-1 3562 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  CHSC94937  Oxalis oregana K. Lang; J. Lang 2005-3-16 27 Humboldt Trinidad, No. California coast. 51 Comment
  SD90204  Oxalis oregana Benjamin C. Stone 1952-6-22 115 Humboldt Big Lagoon on Highway 101; 10 miles south of Orick. 22 Comment
  SDSU604  Oxalis oregana D. F. Howe 1962-5-22 3309 Humboldt 3 miles east of Orick on Bald Mt. road. 396 Comment
  HSC8609  Oxalis oregana R. A. Rasp 1964-4-5 30 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  UC1103427  Oxalis oregana Joseph P. Tracy 1927-5-15 8044 Humboldt Sugar Bowl Mt., on rd between Willow Creek and Hoopa Northern Coast Ranges 457 Comment
  SEINET3347146 Image available Oxalis suksdorfii Joseph P. Tracy 1930-6-22 8796 Humboldt Redwood Creek, at Berry's Comment
  CAS-BOT-BC318149  Packera bolanderi var. bolanderi Albert Kellogg; W. G. W. Harford 1868-9 537 Humboldt unspecified Comment
  UC1196179  Paeonia brownii Joseph P. Tracy 1913-6-16 4146 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  UC1145221  Panicum acuminatum var. acuminatum Joseph P. Tracy 1938-9-25 16172 Humboldt Bald Mountain at Lake Prairie; Bald Mountain at Lake Prairie 1066 Comment
  UC196966  Panicum acuminatum var. acuminatum Joseph P. Tracy 1915-6-6 4645 Humboldt at Eureka Eureka; Northern Coast Region, at Eureka 0 Comment
  RSA10050  Panicum capillare Joseph P. Tracy 1930-10-12 9207 Humboldt Eel River, Alton to Fortuna Comment
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Oct 2 2011
  UC1145036  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  SEINET200977 Image available Parapholis incurva Joeseph P. Tracy 1936-6-6 14860 Humboldt Eureka, CA 3 Comment
  HSC82967  Parapholis strigosa A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  JEPS84972  Parentucellia viscosa Barbara Ertter with Thomas J. Delendick 1987-5-16 6915 Humboldt 8 mi e of Arcata (9 1/2 mi w of Lord Ellis Summit, Hwy 299 roadside); Hwy 299 Comment
  JEPS94285  Parentucellia viscosa Vernon Oswald and Lowell Ahart 1997-9-4 8855 Humboldt Samoa Dunes Recreation Area at the s end of the North Spit separating Humboldt Bay from the ocean North Spit; Samoa Dunes Recreation Area Comment
  HSC37801  Paspalum dilatatum J. P. Smith 1976-8-22 8962 Humboldt Hwy. 101 just S of exit to Murray field. Comment
  CAS-BOT-BC259728  Paspalum distichum Joseph P. Tracy 1934-7-30 13498 Humboldt Dry Lagoon, on coast near Stone Lagoon 3 Comment
  HSC39934  Paxistima myrsinites J. O. Sawyer 1970-6-25 2291 Humboldt 1646 Comment
  UC169890  Paxistima myrsinites Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5754 Humboldt Trinity Summit Comment
  SEINET3873313  Pellaea mucronata subsp. mucronata Thomas Nelson, James Nelson 1976-5-30 2612 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  HSC55728  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-7-26 10200 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  BLMAR247  Penstemon anguineus Jennifer Anthony-Wheeler 1997-7-24 247 Humboldt Lacks Creek, growing NE of parking landing among regenerating forest 1219 Comment
  JEPS86690  Penstemon anguineus L. R. Heckard with T. I. Chuang 1990-7-15 6769 Humboldt ca 15 mi n Highway 36 (South Fork Mountain Rd); South Fork Mountain Rd., n of Hwy 36 1700 Comment
  UC1011933  Penstemon anguineus F. W. Pennell and J. P. Tracy 1940-7-7 26092 Humboldt w Salyer (Grouse Mountain); w of Salyer, Grouse Mountain 1371 Comment
  RSA21319  Penstemon azureus subsp. azureus Carl B. Wolf 1937-8-13 9220 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC60084  Penstemon deustus M. A. Baker 1978-5-6 486 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC39932  Penstemon laetus subsp. sagittatus J. O. Sawyer 1970-6-25 2293 Humboldt 1646 Comment
  UC41715  Penstemon laetus var. sagittatus Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC585631  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 B Humboldt on ridge 2 mi e Grove's Prairie; Trinity summit, e of Grove's Prairie 1524 Comment
  UC162565  Penstemon laetus var. sagittatus Joseph P. Tracy 1911-7-6 3344 Humboldt mountain slopes along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges 762 Comment
  HSC102096  Penstemon newberryi var. berryi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 999 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1586908  Penstemon parvulus Juha Pykala and D. H. Norris 1987-6-10 1523 Humboldt on Onion Lake Road about 1-2 mi s from Onion Lake; Six Rivers National Forest, s from Onion Lake 1280 Comment
  RSA0094697  Pentagramma triangularis A. Davidson 1923-8-11 17064 Humboldt Near Scotia. Comment
  CAS-BOT-BC71618  Pentagramma triangularis subsp. triangularis Doris K. Kildale 1928-12-30 6765 Humboldt Phillipsville Comment
  JEPS60093  Pentagramma triangularis subsp. triangularis Lincoln Constance 1934-5-24 630 Humboldt Bull Creek region; S Fork Eel River Comment
  UC906650  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1942-9-20 17324 Humboldt 2 mi s Fields Landing 3 Comment
  UC1197126  Perideridia gairdneri subsp. borealis J. P. Tracy 1906-11-4 2555 Humboldt near Eureka; Immediate vicinity of Eureka 0 Comment
  HSC35616  Perideridia oregana Thomas W. Nelson, B. Reinhardt 1975-7-30 2113 Humboldt E of Pilot Rock Comment
  UC642270  Perideridia parishii subsp. latifolia Joseph P. Tracy 1932-7-14 10543 Humboldt Corral Meadow Trinity Summit 1584 Comment
  CAS-BOT-BC413505  Persicaria amphibia H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  HSC26590  Petrorhagia dubia D. E. Anderson 1973-4-20 Humboldt Flood plain of Eel River 5 mi. E of Founders Tree area, Avenue of the Giants Comment
  HSC37230  Phacelia bolanderi Lon Hall 1975-6-19 386 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC42200  Phacelia bolanderi Ed Cope 1977-4-23 22 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  JEPS1444  Phacelia bolanderi Lincoln Constance 1934-5-26 687 Humboldt s end Dyerville Bridge; South Fork Eel River, Bull Creek region 45 Comment
  RSA30617  Phacelia bolanderi Lincoln Constance, R. C. Rollins 1942-5-20 2999 Humboldt Eel River at Dyerville bridge, two miles north of Weott. 49 Comment
  UC169010  Phacelia bolanderi Harley P. Chandler June 1901 1456 Humboldt between Bluff Creek and Orleans; North Coast Ranges 304 Comment
  SEINET3119233 Image available Phacelia bolanderi Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15225 Humboldt Bolling Grove State Park. Comment
  HSC65631  Phacelia egena J. P. Smith, Steve Selva 1970-6-14 3828 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC30744  Phacelia heterophylla subsp. virgata D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5620 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC44535  Phacelia mutabilis Brad Klipfel 1973-7-1 143 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC906637  Phacelia mutabilis Joseph P. Tracy 1947-7-9 17832 Humboldt lower slopes Horse Mountain 1219 Comment
  BLMAR159  Phacelia nemoralis subsp. nemoralis Donald Hazlett 1994-6-7 159 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  JEPS2230  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1936-6-9 14876 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UCD88521  Phalaris arundinacea J. W. Logan 1926-6-2 4 Humboldt Ferndale. Rusk Ranch. Comment
  RSA167286  Phalaris californica Joseph P. Tracy 1951-6-26 19599 Humboldt on Butter Valley Road, about 2 miles east of junction of Kneeland Prairie Road Comment
  SEINET200963 Image available Phalaris californica J. P. Tracy 1934-6-21 13241 Humboldt Along hwy across Salmon Creek flats, around Humboldt Bay; N Coast Ranges. 6 Comment
  UCD88758  Phalaris californica A. H. Murphy 1951-6-15 79 Humboldt 1 mile E of road junction Maple Creek and Kneeland Road, on Maple Creek Road. Comment
  HSC55709  Philadelphus californicus Overton, Butler 1979-7-26 10098 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  CAS-BOT-BC76564  Philadelphus lewisii Doris K. Kildale 1928-6-9 5057 Humboldt Chalk Mountain Comment
  HSC102142  Phleum alpinum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1048 Humboldt Patterson Meadows 1555 Comment
  UC1103789  Phleum alpinum Joseph P. Tracy 1919-9-24 5293 1/2 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1889 Comment
  HSC44533  Phlox adsurgens Brad Klipfel 1973-7-1 140 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1541555  Phlox adsurgens W. K. Parks Jul 1933 Humboldt South Fork Comment
  UC1178966  Phlox douglasii subsp. rigida Joseph P. Tracy 1933-7-11 12657 Humboldt Horse Mountain 1432 Comment
  UC1198558  Phlox gracilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8938 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1198561  Phlox gracilis Joseph P. Tracy 1908-6-9 2666 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC673118  Phlox gracilis Joseph P. Tracy 1940-5-17 16550 Humboldt Larrabee Valley 731 Comment
  JEPS26749  Phoradendron villosum W. L. Jepson 1932-7-24 16545 Humboldt ca. 6 1/2 mi. above & e. Garberville (from near rd. along summit of Mail Ridge) 914 Comment
  HSC36086  Phyllospadix scouleri McCready 1959-11-8 Humboldt Near Trinidad Head Comment
  SEINET3290566 Image available Phyllospadix torreyi H. E. Parks 1927-8-4 s.n. Humboldt Trinidad Comment
  UC1541675  Physocarpus capitatus W. K. Parks June 1932 Humboldt vicinity of Trinidad Comment
  CAS-BOT-BC73440  Picea sitchensis Edward Lee 1934-8-17 1154 Humboldt Near east shore of Big Lagoon, 35 miles north of Euraka. Comment
  NY951519  Picea sitchensis D. H. Goldman 2004-10-30 2901 Humboldt West side of Eel River Drive, about 0.4 mile S of the intersection with Hookton Road and the entrance ramp to Rt. 101 21 Comment
  UC1134170  Picea sitchensis H. S. Yates 1936-6-16 5659 Humboldt 1 mi sw Samoa; Eureka Quad. 6 Comment
  UC535711  Picea sitchensis Eleanor Armstrong 1934-7-31 1145 Humboldt Patricks Point 30 Comment
  UCSB21640  Picea sitchensis Haller, John 1967-6-17 Humboldt East side of Stone Lagoon near U.S. 101, 5 miles S. of Orick 15 Comment
  UC573158  Pinus contorta subsp. contorta H. S. Yates 1936-6-16 5660 Humboldt 1 mi sw Samoa 6 Comment
  RSA246942  Pinus contorta var. contorta Robert F. Thorne, P. Everett 1965-8-7 35217 b Humboldt Samoa Peninsula. 3 Comment
  RSA384301  Pinus contorta var. contorta E. A. Purer 1932-7-27 4132 Humboldt Samoa, near Arcata. Comment
  UCD134418  Pinus contorta var. contorta Linda M. Barker 1976-7-5 1641 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC90184  Pinus lambertiana Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-22 56 Humboldt USFS Rd. 5N10, 2.4 mi. from its intersection with Rd. 6N08, Bulk Collection # 233 1341 Comment
  HSC44345  Pinus monticola Brad Klipfel 1975-6-17 691 Humboldt Horse Mtn. Comment
  HSC55156  Pinus monticola Gilbert Muth 1979-8-1 12109 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  UC55658  Pinus ponderosa P. E. Goddard 1901-7-12 67 Humboldt Hupa Comment
  UC666983  Piperia unalascensis Joseph P. Tracy 1933-7-25 12880 Humboldt Grouse Mountain 1524 Comment
  UC666985  Piperia unalascensis Joseph P. Tracy 1932-7-12 10453 Humboldt near Corral Prairie (Trinity Summit); Trinity Summit 1584 Comment
  UC14946  Piperia unalascensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 Humboldt Supply Creek, Hoopa Valley North Coast Ranges, Hoopa Mt. Comment
  UC1239573  Plagiobothrys bracteatus Joseph P. Tracy 1919-5-31 5152 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1239614  Plagiobothrys nothofulvus Joseph P. Tracy 1918-5-1 4909 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC708093  Plagiobothrys reticulatus C. V. Piper 1921-5-22 5011 Humboldt Eureka Comment
  UC184235  Plagiobothrys reticulatus Joseph P. Tracy 1909-7-4 3009 Humboldt at Eureka; Northern Coast Region, Eureka 0 Comment
  JEPS60982  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1909-5-2 2960 Humboldt Eureka Northern Coast Region 0 Comment
  UC1239607  Plagiobothrys stipitatus Gertrude Robinson 1940-4-28 Humboldt Bridgeville 198 Comment
  UC1239615  Plagiobothrys tenellus Joseph P. Tracy 1933-5-18 12190 Humboldt near Blue Lake (on gravel bar); Northern Coast Region, Mad River 15 Comment
  UC526813  Plagiobothrys tenellus Joseph P. Tracy 1932-5-17 10070 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  UC1222196  Plagiobothrys trachycarpus Joseph P. Tracy 1948-5-31 17987 Humboldt Robertson's Ranch halfway between Garberville and Harris; Robertson's Ranch 609 Comment
  HSC99488  Plantago lanceolata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 147 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  HSC28079  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-4 93 Humboldt E boundary of Hoopa Indian Reservation, Big Hill Rd. Comment
  CAS-BOT-BC91632  Platystemon californicus Alice Eastwood; John Thomas Howell 1937-6-22 4723 Humboldt Near Harris. Comment
  CAS-BOT-BC91639  Platystemon californicus Tom Craig 1941-6-29 s.n. Humboldt Samoa, near Eureka. Comment
  HSC79386  Platystemon californicus Kenneth Clark 1981-5-24 1390 Humboldt Abalone Pt. 15 Comment
  JEPS587  Platystemon californicus Lincoln Constance 1934-6-19 913 Humboldt near summit Grasshopper Peak (Bull Creek Region); South Fork Eel River, , Grasshopper Peak 914 Comment
  UC146097  Platystemon californicus Joseph P. Tracy 1904-5-1 2047 Humboldt Bucksport; Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC168998  Plectritis brachystemon Joseph P. Tracy 1905-4-30 2176 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC75692  Pleuropogon refractus Bill Copeland 1980-6-26 303 Humboldt Near Murphy Meadow 914 Comment
  CAS-BOT-BC244360  Poa annua Henry M. Pollard 1987-8-30 s.n. Humboldt North Klamath River road near Redcap Creek, Orleans region Comment
  HSC10620  Poa annua R. D. Zortman 1963-3-15 46 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UC1607849  Poa annua Harold E. Parks June 1951 Humboldt Spruce Cove Trinidad Comment
  HSC99416  Poa bulbosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 65 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  HSC10687  Poa confinis T. O. Preston 1963-5-6 22 Humboldt Sand dunes. Comment
  HSC33722  Poa confinis Dryden 1975-5-24 201 Humboldt Samoa Dunes off Samoa Blvd. across from boat landing. Comment
  SEINET200582 Image available Poa confinis Joseph P. Tracy 1910-4-24 3123 Humboldt Sand dunes of Ocean Beach at Humboldt. Comment
  UC665695  Poa douglasii H. E. Parks May, 1934 4805 Humboldt Little River Lagoon Comment
  OBI22114  Poa howellii Joseph P. Tracy 1949-6-6 18308 Humboldt Happy Camp Mtn (In Trinity Summit Range, 6 mi NE of Hawkins Bar.) Comment
  CAS-BOT-BC254281  Poa macrantha H. E. Parks 1934-5-1 4805 Humboldt Little River Lagoon Comment
  HSC40518  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1976-6-16 2743 Humboldt Just W of Alder Springs. 1524 Comment
  HSC70237  Poa secunda subsp. secunda M. A. Baker 1980-6-8 1901 Humboldt Near Buck Flat. 1554 Comment
  HSC98601  Poa secunda subsp. secunda Cara Witte 2007-6-4 183 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC1103170  Poa secunda subsp. secunda J. P. Tracy 1903-5-23 1896 Humboldt on Eel River Alder Point 152 Comment
  UC525661  Poa secunda subsp. secunda Joseph P. Tracy 1932-7-17 10693 1/2 Humboldt head of Devil's Hole Trinity Summit; Klamath Mts 1828 Comment
  UCD90874  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5658 Humboldt Hoopa Summit. Comment
  HSC10810  Poa unilateralis J. P. Tracy 1927-6-8 8113 Humboldt Trinidad 61 Comment
  HSC36618  Poa unilateralis J. D. Ackerman 1974-5-25 255 Humboldt Trinidad, Trinidad Beach, S of Trinidad Head. Comment
Read comments
Mar 11 2013
  HSC17210  Polemonium carneum J. Wendell Howe 5 May [year missing] Humboldt Big Lagoon Comment
  HSC41294  Polygala cornuta Brad Klipfel 1974-7-27 494 Humboldt Horse Mtn. Comment
  JEPS27112  Polygala cornuta var. cornuta Joseph P. Tracy 1936-8-30 15182 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1052454  Polygala cornuta var. cornuta J. Tracy and H. E. Parks Humboldt Hors Linto Road Trinity River 609 Comment
  UC1198991  Polygala cornuta var. cornuta Joseph P. Tracy 1926-7-18 7744 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS50493  Polygonum amphibium var. emersum Joseph P. Tracy 1927-5-14 8026 Humboldt Patterson Ranch Trinity River Valley, Willow Creek (pond) 152 Comment
  UC55943  Polygonum aviculare subsp. aviculare J. P. Tracy 1901-7-28 1219 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC100601  Polygonum bistorta Carl C. Marshall Jun 1886 269 Humboldt Trinity Summit. Comment
  HSC55108  Polygonum douglasii G. L. Clifton 1979-7-31 11849 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC146188  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1908-6 2766 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC535117  Polygonum douglasii subsp. spergulariiforme H. E. Parks, J. P. Tracy 1930-9-15 767 Humboldt Kneeland Bald Hills Comment
  CHSC55907  Polygonum paronychia L. P. Janeway 1987-7-31 2544 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC64430  Polygonum paronychia J. P. Smith 1971-10-6 4957 Humboldt End of Murray Rd. in McKinleyville. Comment
  SEINET2153798  Polygonum paronychia K. T. Harper 2002-1 2002 -2 Humboldt Trinidad Beach. Comment
  HSC103385  Polygonum phytolaccifolium K. Auker, R. Battleson 2007-6-15 13 Humboldt Grouse Mtn.; along Forest Service Road 5N04, 1.0 mi. E of FS Road NF1. 1494 Comment
  HSC99101  Polygonum polystachyum Cara Witte 2007-6-12 244 Humboldt Intersection of 4N70 and 4N32. Intersection to Grouse Mountain Lookout. 1628 Comment
  UC1225799  Polygonum sachalinense Joseph P. Tracy 1946-8-25 17634 Humboldt 1/2 mi s mouth of Elk River 6 Comment
  CDA2917  Polygonum sachalinense T. C. Fuller 1962-8-6 9364 Humboldt South side of Highway 299 to Willow Creek just east of road to Bald Mountain, 11.2 miles east of Blue Lake. 0 Comment
  UC1222469  Polygonum sawatchense subsp. oblivium Joseph P. Tracy 1935-7-14 14082 Humboldt Grouse Mountain 1524 Comment
  UC218626  Polypodium Joseph P. Tracy 1918-4-7 4865 Humboldt mouth of Little River; Northern Coast Ranges 15 Comment
  CAS-BOT-BC71921  Polypodium californicum Donald Branscomb 1959-2-1 s.n. Humboldt Trinidad Comment
  HSC1100  Polypodium californicum Francis Winter 1960-2-28 Humboldt Samoa peninsula, 6 mi. W of Arcata Comment
  HSC37827  Polypodium californicum Thomas W. Nelson, Jane Nelson 1976-2-21 2250 Humboldt Tish-Tang campground Comment
  CAS-BOT-BC76840  Polypodium glycyrrhiza Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC76846  Polypodium glycyrrhiza Doris K. Kildale 1926-2-22 1468 Humboldt Dobbyns Creek Comment
  BLMAR55  Polypodium glycyrrhiza Jennifer Anthony-Wheeler 1994-2-23 55 Humboldt Samoa/manilla dunes, growing in samoa Dunes Rare Plant Area as part of dense mat covering 12 Comment
  UC404748  Polypodium glycyrrhiza H. E. Parks June 1924 2837 Humboldt Lawrence Creek Comment
  HSC95649  Polypodium scouleri Andrea Pickart 2002-4-5 40 Humboldt Lanphere Dunes 0 Comment
  POM232318  Polypodium scouleri I. L. Wiggins 1930-7-11 4686 Humboldt Near Samoa Comment
  UC667946  Polypodium scouleri Joseph P. Tracy 1936-9-6 15183 Humboldt Big Lagoon Comment
  HSC1140  Polypodium scouleri J. W. Johnson 1962-3-9 1180 Humboldt On a bank above the Hunt Lane between the gate and barn Comment
  UCSB30619  Polypodium scouleri Edwards, David 1974-9-2 Humboldt Ca. 100 ft. up facing slope from dirt road, ca. 100 yds. from its jet. with Fickle Hill Rd 121 Comment
  UC163618  Polypogon interruptus Jos. Burtt Davy and W. C. Blasdale 1899-5 5495 Humboldt Pepperwood Comment
  UCD91028  Polypogon interruptus Joseph P. Tracy 1936-6-8 14871 Humboldt Trinidad. 9 Comment
  UCSC000004  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile N.E. of Samoa 3 Comment
  HSC10833  Polypogon maritimus J. P. Tracy 1933-7-20 12811 Humboldt Along Mad River, near Blue Lake. 15 Comment
  CHSC10130  Polypogon monspeliensis Jerry Parker 1968-11-22 241 .1 Humboldt Mckinleyville beach, floor of vernal pond. Comment
  HSC65445  Polypogon monspeliensis J. P. Smith 1973-5-26 6813 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  RSA54138  Polypogon monspeliensis Henry M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley Place. Orleans region. Comment
  SEINET200577 Image available Polypogon monspeliensis Joseph P. Tracy 1916-5-31 4692 Humboldt Holmes Flat along Eel River from South Fork to Scotia. 61 Comment
  UCSC000003  Polypogon monspeliensis H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 15 Comment
  UC1440063  Polystichum californicum Danin & H. G. Baker 1960-8-14 614 a Humboldt ca. 1 mi toward Garberville from Myers Flat (Nelson Grove); Humboldt Redwoods State Park Comment
  HSC1156  Polystichum imbricans D. E. Anderson 1963-9-21 2832 Humboldt 0.5 mi. E of Willow Creek Comment
  HSC73875  Polystichum imbricans M. Baker 1980-7-15 2952 Humboldt Near Whiting Ridge 1341 Comment
  UC906749  Polystichum munitum Joseph P. Tracy 1947-7-9 17843 Humboldt Horse Mt. 1432 Comment
  HSC98080  Polystichum scopulinum Cara Witte 2007-7-10 469 Humboldt Horse Mountain Botanical Area. Forest Servie Road 6N38 1349 Comment
  JEPS64523  Populus trichocarpa W. L. Jepson 1936-8-17 17935 Humboldt Mad River near Arcata; Mad River Comment
  RSA46732  Populus trichocarpa Doris K. Kildale 1927-5-15 3155 Humboldt Petrolia Comment
  UC176692  Populus trichocarpa Joseph P. Tracy 1913-6-22 4261 A Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  JEPS42963  Potamogeton amplifolius W. L. Jepson 1936-8-17 17933 Humboldt Mad River near Arcata; Mad River Comment
  HSC45347  Potamogeton natans R. York 1978-4-8 125 Humboldt Between Arcata and Eureka along Hwy. 101 0 Comment
  CDA837  Potamogeton nodosus E. C. Whitney 1963-9-2 s.n. Humboldt In lake of Benbow Lake State Park, south of Garberville. 0 Comment
  HSC17759  Potamogeton nodosus Rollin Sparrowe 1962-4-7 11 Humboldt Clam Beach Lagoons off Hwy. 101 Comment
  CAS-BOT-BC453908  Potamogeton pectinatus Henry M. Pollard 1946-8-13 s.n. Humboldt Near Harley place, Orleans region Comment
  RSA246825  Potamogeton richardsonii Robert F. Thorne 1965-9-19 35462 Humboldt Freshwater Lagoon S of Orick. 3 Comment
  HSC34288  Potentilla gracilis K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  HSC97917  Potentilla gracilis var. gracilis Cara Witte 2007-6-14 287 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  HSC15464  Prosartes hookeri D. E. Anderson 1965-5-15 3691 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  HSC49178  Prosartes smithii J. O. Sawyer 1977-4-23 2848 Humboldt Bluff Creek Campground Comment
  SEINET13947063 Image available Prunella vulgaris W. J. Ferlatte, B. D. Rogers 1966-1 2093 Humboldt Near Bridgeville; T30N, R3E, SEC11 Comment
  HSC72624  Prunella vulgaris subsp. lanceolata J. P. Smith 1977-7-3 9229 Humboldt On Forest Service Road 13N01 to Fish Lake, 3.5 mi. from its junction with Highway 36 488 Comment
  UC1124438  Prunella vulgaris var. lanceolata H. L. Person 1932-7-16 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  HSC48761  Prunus emarginata Brad Klipfel 1973-6-10 97 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56106  Prunus emarginata G. L. Clifton 1979-7-31 11856 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  JEPS44944  Prunus emarginata Joseph P. Tracy 1917-5-6 4780 Humboldt at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  JEPS44945  Prunus emarginata Joseph P. Tracy 1924-5-25 6685 Humboldt on Big Lagoon Prairie, Big Lagoon Big Lagoon Prairie; Northern Coast Region, Big Lagoon, Big Lagoon Prairie 6 Comment
  POM89158  Prunus emarginata Joseph P. Tracy 1920-11-7 5410 Humboldt Around Humboldt Bay. Mad River at Lindsey Creek. 30 Comment
  HSC98967  Prunus emarginata var. emarginata Cara Witte 2007-9-3 641 Humboldt Forest Service Road 5N10. 1/4 mile east of intersection with National Forest 1. 1415 Comment
  UC14175  Prunus virginiana var. demissa W. C. Blasdale 1896-6-8 Humboldt Mad River Comment
  HSC5685  Pseudognaphalium californicum J. P. Tracy 1937-7-11 15415 Humboldt Vicinity of Garberville 122 Comment
  HSC37667  Pseudognaphalium microcephalum R. Sutherland 1976-8-19 12 .19876 Humboldt Edge of county road 259 Comment
  UCD134980  Pseudognaphalium ramosissimum Linda M. Barker 1976-8-2 1678 Humboldt 3 miles west of Arcata. Comment
  HSC5694  Pseudognaphalium ramosissimum Jerry Parker 1968-11-19 244 Humboldt Clam Beach, 1/4 mi. S of Strawberry Cr. Comment
  UC31991  Pseudognaphalium stramineum C. C. Marshall 1888-1 Humboldt Comment
  HSC54561  Pseudotsuga menziesii var. menziesii Overton, Butler 1979-7-24 9576 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  HSC74279  Pseudotsuga menziesii var. menziesii M. A. Baker 1980-5-23 1398 Humboldt Near Buck Mtn. 1524 Comment
  HSC76288  Pseudotsuga menziesii var. menziesii Denis Kearns 1981-7-6 56 Humboldt Near Mosquito Lake 1122 Comment
  UC1223162  Psilocarphus tenellus Joseph P. Tracy 1948-7-26 18075 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA254796  Psilocarphus tenellus var. tenellus Thomas W. Nelson, James Nelson 1973-5-28 970 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC1160  Pteridium aquilinum var. pubescens Gene S. Van Horn 1962-5-25 27 Humboldt 200 ft. N of main house at 250 E 17th St., Arcata 61 Comment
  HSC38325  Pteridium aquilinum var. pubescens J. D. Ackerman 1975-9-15 744 Humboldt Arcata, behind Fern Ln. E of Humboldt State University Comment
  HSC44551  Pyrola crypta Brad Klipfel 1973-7-15 170 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA0080628  Pyrola dentata C. B. Wolf 1937-8-13 9242 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC535750  Pyrola picta Eleanor Armstrong 1934-8-23 1160 Humboldt Richardson Grove 121 Comment
  UC303002  Quercus chrysolepis Joseph P. Tracy 1926-6-6 7571 Humboldt on road w Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC5532  Quercus chrysolepis unknown 1867-6-17 Humboldt Elk Ridge Comment
  UCD45382  Quercus chrysolepis Lincoln Constance 1934-6-15 885 Humboldt Summit of Grasshopper Peak; el. C. 3200 ft. Bull Creek Region. South Fork Eel River, Humboldt County, California. 1158 Comment
  HSC48346  Quercus garryana Maralyn O'Meara 1974-7-11 527 Humboldt Kneeland, Barry Ridge Comment
  CAS-BOT-BC105161  Quercus kelloggii Doris K. Kildale 1926-4-11 1759 Humboldt Bridgeville 228 Comment
  UC203998  Quercus kelloggii Joseph P. Tracy 1918-5-1 4895 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UCD40423  Quercus kelloggii Rodney Gale Myatt 1971-9-17 1108 Humboldt Near Phillipsville, along river. About 8 mi. north of Garberville, along Hwy 101. Comment
  UCD165092  Quercus parvula var. shrevei Lois W. Weeth; Kerry Heise and John M. Tucker 2003-10-21 s.n. Humboldt 42.5 mi. from Garberville along Alderpoint Rd. 481 Comment
  UCD47467  Quercus vacciniifolia Joseph P. Tracy 1935-7-28 14336 Humboldt Trinity Summit, Head of Brett Hole. 1828 Comment
  CAS-BOT-BC379199  Ranunculus aquatilis var. aquatilis Henry M. Pollard 1946-8-13 s.n. Humboldt pond near Harley place, Orleans region Comment
  UC162340  Ranunculus aquatilis var. capillaceus Joseph P. Tracy 1911-7-10 3486 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  SEINET13716688  Ranunculus californicus Unknown 1910-5-8 3132 Humboldt Immediate vicinity of Eureka Comment
  UC180239  Ranunculus flammula Joseph P. Tracy 1914-9-6 4614 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  JEPS5880  Ranunculus flammula Joseph P. Tracy 1937-5-30 15312 Humboldt near Bosworth's; Larrabee Creek 365 Comment
  JEPS79959  Ranunculus occidentalis Joseph P. Tracy 1932-7-18 10701 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  UC1196232  Ranunculus occidentalis Joseph P. Tracy 1934-6-27 13263 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  UC162860  Ranunculus occidentalis J. P. Tracy 1900-5-30 826 Humboldt Immediate vicinity of Eureka 0 Comment
  SEINET6908794  Ranunculus occidentalis var. occidentalis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  UC249694  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1921-4-24 5477 Humboldt Englewood Prairie Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  CDA3496  Ranunculus parviflorus J. F. Hart 1964-5-21 Humboldt Garberville district. 0 Comment
  SBBG2270  Ranunculus repens H. and M. Dearing 1939-5-26 3445 c Humboldt near Arcata Comment
  UC535740  Ranunculus repens Eleanor Armstrong 1170 Humboldt Richardson Grove Comment
  HSC18179  Ranunculus repens var. repens Harvey Doerksen 1962-5-8 22 Humboldt 3 mi. W of Blue Lake, fork of Lindsay Creek and Mad River Comment
  UC502929  Ranunculus uncinatus Joseph P. Tracy 1932-7-10 10394 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC18192  Ranunculus uncinatus E. W. Styskel 1963-5-16 32 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 305 Comment
  HSC18194  Ranunculus uncinatus var. parviflorus W. F. Nickel 1965-5-15 Humboldt 0.5 mi. E of Arcata on rd. to Arcata Reservoir Comment
  HSC26768  Raphanus raphanistrum Thomas W. Nelson 1970-12-5 317 Humboldt Eureka, 3300 block of Williams St. Comment
  POM246499  Rhamnus californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter cove. 61 Comment
  RSA167446  Rhamnus californica Joseph P. Tracy 1950-6-18 18848 Humboldt Near Petrolia, Hills betw town and Ocean Comment
  RSA2941  Rhamnus californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of S Fork of Trinity River, on road to sandy bar swimming hole. 244 Comment
  UC18569  Rhamnus purshiana Harley P. Chandler May 1901 1173 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC902199  Rhamnus purshiana Joseph P. Tracy 1948-8-22 18101 Humboldt 5 mi e Carlotta (flat by old Strong's District School House) 60 Comment
  UC902201  Rhamnus purshiana Joseph P. Tracy 1948-8-15 18152 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC7832  Rhododendron columbianum D. E. Anderson 1961-9-13 1804 Humboldt Big Lagoon County Park Comment
  CAS-BOT-BC56615  Rhododendron macrophyllum Clarence R. Quick 1959-7-24 59 -24 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  UC1537162  Rhododendron macrophyllum Gordon H. True Jr. 1936-5-12 474 Humboldt near Kneeland Post Office 762 Comment
  UCR275107  Rhododendron macrophyllum Charity A. Hartshorn 2016-5-14 35 Humboldt Arcata Community Forest 244 Comment
  UC22135  Rhododendron occidentale Harley P. Chandler June, 1901 1448 Humboldt Klamath River; North Coast Ranges, Klamath River 457 Comment
  CAS-BOT-BC200386  Rhododendron occidentale var. paludosum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC47966  Rhododendron occidentale var. paludosum Brad Klipfel 1974-9-17 582 Humboldt Horse Mountain Comment
  HSC96519  Rhododendron occidentale var. paludosum Gordon Leppig 1998-5-11 759 Humboldt Big Lagoon County Park. 3 Comment
  UC1586906  Ribes Juha Pykala 1987-6-20 1849 Humboldt n House of Prof. D. H. Norris; Kneeland, Greenwood Heights 350 Comment
  CAS-BOT-BC92884  Ribes bracteosum Greg de Nevers 2001-4-19 12258 Humboldt Prairie Creek, Redwoods State Park. 91 Comment
  UC303170  Ribes bracteosum Joseph P. Tracy 1923-8-19 6535 Humboldt at crossing Kneeland Road (Lawrence Creek); Northern Coast Ranges 609 Comment
  UCR139068  Ribes bracteosum E. Brower, S. Marubayashi, E. Perry 1997-5-10 055 Humboldt Intersection of Hwy 299 and Redwood Hwy 12 Comment
  HSC103223  Ribes divaricatum var. pubiflorum Jade Paget-Seekins 2010-3-20 7 Humboldt On the Mad River. In the park next to the water treatment plant. 13 Comment
  HSC48834  Ribes lacustre Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 45 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC103194  Ribes lobbii Jade Paget-Seekins 2010-7-5 35 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  UC552231  Ribes menziesii Joseph P. Tracy 1933-5-20 12268 Humboldt near Petrolia; North Coast Ranges, Mattole Valley 15 Comment
  CAS-BOT-BC212653  Ribes nevadense W. R. Dudley 1901-8-25 s.n. Humboldt Near the 14 mile post, Salmon Creek, Salmon Mountains Comment
  UC161562  Ribes roezlii Joseph P. Tracy 1911-7-5 3309 Humboldt near mouth Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  RSA0024750  Ribes roezlii J. R. Bruff 1937-8-17 937 Humboldt Richardson Grove, bed of Eel River. Comment
  JEPS49463  Ribes roezlii var. cruentum Joseph P. Tracy 1922-4-30 6041 Humboldt Three Creek 670 Comment
  CAS-BOT-BC211978  Ribes sanguineum Joseph P. Tracy 1948-8-15 18133 Humboldt On ridge 2 miles east of Grove's Prairie, Trinity Summit 1554 Comment
  HSC33053  Ribes sanguineum Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1241 Humboldt Horse Mtn. area 1220 Comment
  HSC56320  Ribes sanguineum Overton, Butler 1979-8-2 12659 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC90030  Ribes sanguineum Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 62 Humboldt Titlow Rd. 0.5 mi. S of its intersection with Hwy. 299 854 Comment
  UC1541333 Image available Ribes sanguineum Parks and Parks 1932-4-10 Humboldt Blue Slide Van Duzen River Comment
  HSC44600  Ribes viscosissimum Brad Klipfel 1973-6-10 103 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC65645  Ribes viscosissimum J. P. Smith, J. O. Sawyer 1975-6-2 8208 Humboldt Six Rivers National Forest, W of Goat Hill Comment
  HSC74206  Ribes viscosissimum M. A. Baker 1980-7-22 3075 Humboldt Near Salmon Mtn. 1820 Comment
  RSA0020900  Ribes viscosissimum Joseph P. Tracy 1932-7-12 10466 Humboldt Ridges east of Corral Prarie. 1829 Comment
  HSC26800  Romanzoffia californica Thomas W. Nelson 1971-4-24 404 Humboldt Willow Creek Comment
  HSC84930  Romanzoffia californica R. N. Raynor 1935-4-8 Humboldt Fort Seward Comment
  RSA516379  Romanzoffia californica Barbara Ertter, Thomas Delendick 1987-5-16 6937 Humboldt 3 miles E of Berry Summit on Hwy 299, 20 airmiles E of Arcata; base of large volcanic rock on S side of road above Willow Creek. 800 Comment
  UC1541376  Romanzoffia tracyi Parks and Tracy March 1934 8132 Humboldt heads opposite Spruce Cove (Trinidad); , Spruce Cove Comment
  CAS-BOT-BC147435  Rosa californica Doris K. Kildale; L. B. Kildale 1930-5-24 9545 Humboldt Hoopa Valley 152 Comment
  HSC19624  Rosa gymnocarpa Lincoln Constance 1934-6-2 791 Humboldt Bull Creek Rd. to mouth of Bull Creek, top Bull Creek Comment
  HSC35592  Rosa gymnocarpa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2003 Humboldt French Camp, Bald Hills. Comment
  POM275419  Rosa gymnocarpa Lyman D. Benson 1928-7-12 489 Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  HSC98843  Rosa gymnocarpa var. serpentina Cara Witte 2007-6-12 243 Humboldt Horse Mountain Botanical Area. Along Forest Service Rd. 6N38. 1349 Comment
  HSC19622  Rosa nutkana W. R. Brigham 1962-5-20 27 Humboldt Side of Old Hwy. 101, N of Big Lagoon rd. Comment
  POM92406  Rosa nutkana L. R. Abrams 1922-06 8242 Humboldt Near South Bay. Comment
  UC1281125  Rosa nutkana var. nutkana H. E. McMinn 1937-12-2 3711 Humboldt sea-cliff n Eureka Comment
  UC303026  Rosa nutkana var. nutkana Joseph P. Tracy 1923-6-22 6345 Humboldt Angels Ranch Bald Mt.; Northern Coast Ranges, Bald Mt. 457 Comment
  UC902156  Rosa pisocarpa Joseph P. Tracy 1949-8-7 18436 Humboldt near Box Camp (along stream); Trinity Summit 1524 Comment
  HSC56985  Rubus armeniacus Overton, Butler 1979-7-23 9530 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC57115  Rubus leucodermis Overton, Butler 1979-7-25 9858 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC74809  Rubus parviflorus Gail Newton 1980-7-22 1689 Humboldt Near Devils Backbone 1545 Comment
  HSC34629  Rubus spectabilis A. M. Montalvo 1975-4-9 203 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  SEINET3111191  Rubus spectabilis Steve Selva, Roger Jensen 1974-8-21 27 Humboldt Approx 3 miles N of Trinidad; redwood grove adjacent to Hwy 101 rest stop. Comment
  CAS-BOT-BC158792  Rubus ursinus Joseph P. Tracy 1946-8-25 17637 Humboldt Field's Landing, 2 miles above town. 6 Comment
  HSC19692  Rubus ursinus W. L. Jepson 1932-8-8 16528 Humboldt Weott 305 Comment
  HSC99432  Rubus ursinus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 81 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD17622  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 042 Humboldt California. Humboldt County: 6.3 miles east of Ettersburg on road from Briceland. Comment
  UCD17624  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 040 Humboldt California. Humboldt County: on left side of U.S. 101 going north, about 0.5 miles north of Rock Creek Crossing. Comment
  HSC33748  Rumex acetosella A. Montalvo 1975-5-24 278 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC69627  Rumex acetosella R. Kalal 1980-5-8 32 Humboldt Along Jackson Ranch Rd. 6 Comment
  HSC70987  Rumex californicus Gail Newton 1980-7-20 1650 Humboldt Near Bell Swamps 1426 Comment
  CAS-BOT-BC421747  Rumex conglomeratus Henry M. Pollard 1945-8-24 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon Comment
  UCD101126  Rumex crispus Linda M. Barker 1976-6-22 1622 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC249658  Rumex maritimus Joseph P. Tracy 1921-8-7 5867 Humboldt Stone Lagoon Northern Coast Region 3 Comment
  HSC34982  Rumex obtusifolius Thomas W. Nelson 1974-9-13 1713 Humboldt King Salmon area Comment
  CAS-BOT-BC433647  Rumex obtusifolius Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  UC153979  Rumex occidentalis Joseph P. Tracy 1910-6-5 3148 Humboldt near Samoa; Northern Coast Region, Humboldt Bay Region 0 Comment
  UC7023  Rumex pulcher H. N. Bolander Jun 1867 6568 Humboldt Shelter Cove Comment
  CAS-BOT-BC434097  Rumex transitorius Carl B. Wolf 1927-8-28 1182 Humboldt Salt Marsh, Eureka Bay, on the road to Arcata Comment
  UC296201  Ruppia maritima H. E. Parks 1757 Humboldt Little River Lagoon Comment
  UC1100022  Ruppia maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1182 Humboldt ca 4 mi s Eureka (on Highway 101, near mouth of Elk River) Comment
  HSC24772  Sagina maxima subsp. crassicaulis Barbara Kelly 1971-8-18 174 Humboldt Trinidad State Beach Comment
  HSC4507  Salicornia depressa Norman H. Moe 1962-5-19 Humboldt Lanphere's Place, next to Mad River Slough Comment
  UC490586  Salix Joseph P. Tracy 1932-7-31 10286 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC103811  Salix exigua Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01245 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  UC512022  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1336 Humboldt 1 mi below bridge on Trinity Hwy. (on ...bank above Trinity R.) 152 Comment
  HSC100648  Salix flavescens Carl C. Marshall Mar 1887 390 Humboldt Humboldt Hill. Comment
  CAS-BOT-BC104102  Salix hindsiana Harold E. Parks 1931-8-25 01061 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC104104  Salix hindsiana Harold E. Parks 1931-5-14 0958 Humboldt Fernbridge, Eel River 10 Comment
  CAS-BOT-BC106856  Salix hookeriana Harold E. Parks 1931-8-1 01053 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107736  Salix hookeriana Harold E. Parks 1931-5-28 1000 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107746  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1225 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107750  Salix hookeriana Harold E. Parks 1931-5-12 955 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107772  Salix hookeriana Harold E. Parks; Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon, Trinidad Comment
  CAS-BOT-BC107774  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-12 1246 Humboldt Gravelly floodplain of Van Dezen River at Blue Slide 91 Comment
  CHSC9654  Salix hookeriana E. L. Smith 1971-8-18 1025 Humboldt Clam Beach County Park ca. 6 mi s of Trinidad. Comment
  HSC19964  Salix hookeriana H. E. Parks 1931-3-24 915 Humboldt Vicinity of Trinidad R.R. Station Comment
  HSC38196  Salix hookeriana Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  HSC59447  Salix hookeriana Kenneth Clark 1979-4-3 34 Humboldt Manila, SW from end of Old Samoa Rd. Comment
  HSC96609  Salix hookeriana Gordon Leppig 2005-4-8 2211 Humboldt W end of W Hawthorne St., Eureka 3 Comment
  JEPS12908  Salix hookeriana Joseph P. Tracy 1927-3-13 7844 Humboldt mouth of Little River; Northern Coast Ranges 6 Comment
  JEPS12913  Salix hookeriana H. E. Parks and Joseph P. Tracy 1927-4-23 7922 Humboldt Big Lagoon; Northern Coast Ranges 6 Comment
  JEPS13090  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  RSA34284  Salix hookeriana Doris K. Kildale 1926-3-28 1691 Humboldt Redwood Creek at Berry's. Comment
  UC1173587  Salix hookeriana Joseph P. Tracy 1937-7-27 15509 Humboldt Mad R. at mouth of Lindsey Creek; Mad R., Lindsey Creek 15 Comment
  UC1196679  Salix hookeriana Joseph P. Tracy 1925-2-1 6929 Humboldt slope of bluff near Salmon Creek Corners; Northern Coast Region, around Humboldt Bay, Table Bluff 60 Comment
  UC1225929  Salix hookeriana Joseph P. Tracy 1947-2-23 17669 Humboldt Bridgeville Van Duzen River 198 Comment
  UC470428  Salix hookeriana Joseph P. Tracy 1931-9-20 9688 Humboldt Trinidad Northern Coast Region 60 Comment
  UC470442  Salix hookeriana Joseph P. Tracy 1931-9-27 9692 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  UC481350  Salix hookeriana Harold E. Parks 1931-5-12 954 Humboldt Samoa Humboldt Bay Comment
  UC490472  Salix hookeriana Joseph P. Tracy 1932-9-5 10771 Humboldt Mattole River near Petrolia; North Coast Region 15 Comment
  UC492330  Salix hookeriana Harold E. and Susan T. Parks 1932-4-3 1100 Humboldt Little R. Lagoon Trinidad; , Little River Lagoon Comment
  UC512094  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1215 Humboldt 1 mi n Samoa (pine barrens near coast) Comment
  UC512111  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1204 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  HSC75962  Salix jepsonii Overton, Butler 1979-8-2 12592 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  RSA5692  Salix laevigata H. P. Bracelin 1931-5-1 272 Humboldt Sylvandale, between Miranda and Meyers. S Fork of Eel River. Comment
  UC517961  Salix laevigata M. S. Jussel 1931-5-1 Humboldt Sylvandale Comment
  HSC19989  Salix lasiandra H. E. Parks, S. T. Parks 1932-4-5 1101 Humboldt Little River Lagoon Comment
  UC481283  Salix lasiandra subsp. lasiandra Harold E. Parks 1931-5-14 959 Humboldt Van Duzen R. between Alton and Carlotta; Van Duzen R. 15 Comment
  HSC98697  Salix lasiandra var. lasiandra C. Witte 2008-10-18 1052 Humboldt Forest Service Road 4N32, 1/2 miles S of intersection with 5N04 1453 Comment
  JEPS14790  Salix lasiandra var. lasiandra Joseph P. Tracy 1933-7-16 12772 Humboldt at McKay Camp S. Fork Mt.; Northern Coast Ranges 1676 Comment
  CAS-BOT-BC107589  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1318 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107608  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-17 1323 Humboldt On west slpe of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  CAS-BOT-BC107612  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107614  Salix lasiolepis Harold E. Parks 1933-2-26 10912 Humboldt Miranda, south fork of Eel River 121 Comment
  HSC96358  Salix lasiolepis Gordon Leppig 1999-4-15 1117 Humboldt Big Lagoon County Park, Big Lagoon Bog, W fen edge 3 Comment
  POM161044  Salix lasiolepis Joseph P. Tracy 1926-8-12 7758 Humboldt Redwood Creek. At Berry's. Comment
  SBBG57890  Salix lasiolepis C. R. Ball, H. E. Parks, J. P. Tracey 1932-5-17 1324 Humboldt W slope of Berry's Mtn, E of Redwood Crk 762 Comment
  UC469402  Salix lasiolepis Joseph P. Tracy 1931-9-27 9693 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC469426  Salix lasiolepis Joseph P. Tracy 1931-9-26 9696 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC470409  Salix lasiolepis Joseph P. Tracy 1931-9-19 9675 Humboldt Alton Northern Coast Region 30 Comment
  UC481291  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481337  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC481340  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC506386  Salix lasiolepis Joseph P. Tracy 1932-6-19 10248 Humboldt Buck Mountain Northern Coast Ranges (nw slope, lower foothills) 762 Comment
  UCD111584  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-13 01255 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road. Comment
  CDA39553  Salix lasiolepis Gordon Leppig 1999-4-15 1116 Humboldt Big Lagoon County Park; Big Lagoon Bog. Comment
  CDA39555  Salix lasiolepis Gordon Leppig 1999-4-15 1119 Humboldt Big Lagoon County Park; Big Lagoon Bog. Comment
  CAS-BOT-BC107301  Salix lasiolepis var. bigelovii Doris K. Kildale 1926-8-8 2477 Humboldt South Fork of Eel River near Dyerville bridge 51 Comment
  CHSC9644  Salix lucida subsp. lasiandra E. L. Smith 1971-8-17 1015 Humboldt South fork of Trinity River on Hwy 299 at Sayler. 487 Comment
  SBBG22043  Salix lucida subsp. lasiandra R. F. Thorne 1957-9-2 18988 Humboldt Eel River, Burlington State Park, just S of Weott Comment
  CAS-BOT-BC125616  Salix melanopsis W. R. Dudley 1899-6-21 s.n. Humboldt At the junction of the North and South forks of Eel River Comment
  JEPS12941  Salix melanopsis Joseph P. Tracy 1931-6-14 9580 Humboldt Van Duzen River Alton; Northern Coast Ranges 30 Comment
  POM218957  Salix melanopsis H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  SD919  Salix melanopsis Harold E. Parks 1931-5-14 965 Humboldt Van Duzen River between Alton and Carlotta 14 Comment
  SD975  Salix melanopsis Harold E. Parks, Joseph P. Tracy 1931-5-17 967 Humboldt Mouth of Willow Creek at Trinity River, sandbars 149 Comment
  SJSU193  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC162708  Salix melanopsis Joseph P. Tracy 1911-7-4 3295 Humboldt Willow Creek near mouth <of> Trinity R.; Northern Coast Ranges, Willow Creek - tributary of Trinity R 182 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC469459  Salix melanopsis Joseph P. Tracy 1931-9-26 9700 Humboldt Redwood Creek at Berrys; Northern Coast Ranges, Redwood Creek 274 Comment
  UC470452  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481285  Salix melanopsis Harold E. Parks 1931-5-14 960 Humboldt Van Duzen R. between Alton and Carlotta; Van Duzen R. 15 Comment
  UC512006  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1232 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  RSA0034666  Salix melanopsis var. bolanderiana H. P. Bracelin 1931-5-2 283 Humboldt East of Redwood Highway, 6 km. south of Alton. 20 Comment
  HSC20076  Salix scouleriana J. P. Tracy 1932-7-13 10507 Humboldt Klamath Mtns., Trinity summit, Corral Prairie 1524 Comment
  HSC55742  Salix scouleriana G. L. Clifton, Griswold 1979-7-26 10252 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC56194  Salix scouleriana Gilbert Muth 1979-8-1 12137 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC275521  Salix scouleriana Joseph P. Tracy 1924-7-4 6716 Humboldt at Hungry Hollow Bald Mt.; Northern Coast Ranges 762 Comment
  UC5092  Salix scouleriana C. C. Marshall 1888-1 Humboldt Comment
  UCR143480  Salix scouleriana H. E. Parks 1931-5-12 0951 Humboldt North Coast, Bishop Pine Lodge, Trinidad 150 Comment
  CAS-BOT-BC128952  Salix sitchensis H. E. McMinn 1922-8-4 338 Humboldt Along Van Duzen River - 18 miles from Fortuna 6 Comment
  CAS-BOT-BC128954  Salix sitchensis Kenneth Clark 1980-3-24 546 Humboldt On alluvial terrace of Dead Man's Gulch - Shelter Cove 15 Comment
  HSC20105  Salix sitchensis H. E. Parks 1931-3-24 910 Humboldt Trinidad Comment
  HSC37880  Salix sitchensis Thomas W. Nelson 1976-3-22 2282 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC75494  Salix sitchensis J. O. Sawyer 1980-7-18 3636 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC90380  Salix sitchensis Jean Hanson 1980-3-8 4 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  CAS-BOT-BC238661  Sambucus nigra subsp. caerulea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC73873  Sambucus nigra subsp. caerulea M. A. Baker 1980-7-19 3020 Humboldt Near Bret Hole. 1814 Comment
  CAS-BOT-BC235119  Sambucus racemosa var. racemosa L. R. Abrams; R. Bacigalupi 1922-6-25 8281 Humboldt Big Lagoon south of Orick Comment
  UC484082  Sambucus racemosa var. racemosa C. B. Wolf 1930-10-26 1765 Humboldt along coastal bluffs 1 mi s Trinidad 91 Comment
  CAS-BOT-BC157199  Sanguisorba officinalis Carl B. Wolf 1934-7-2 5901 Humboldt Snow Camp (mts. E. of Korbel), near small lake 1371 Comment
  HSC77517  Sanicula arctopoides K. Berg 1984-4-8 527 Humboldt South spit of Humboldt Bay, 1.4 mi. S of South Jetty, E of road Comment
  CAS-BOT-BC223252  Sanicula bipinnatifida M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  HSC21619  Sanicula bipinnatifida Eldrid H. Spinas 1948-5-22 46 Humboldt Horse Mountain Comment
  UC1197110  Sanicula bipinnatifida Joseph P. Tracy 1928-6-24 8461 Humboldt Valley of South Yager Creek 762 Comment
  UC642301  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  UC1222810  Sanicula crassicaulis Joseph P. Tracy 1950-2-12 18601 Humboldt 5 mi e of town of Carlotta (near Riverside Park) 30 Comment
  UCR39790  Sanicula graveolens D. K. Imper 1982-7-2 s.n. Humboldt Six Rivers Nat. Forest, near Lassics Lookout, l mi. north of FS 2S08 on spur 1529 Comment
  UC1197087  Sanicula laciniata Joseph P. Tracy 1935-4-14 13779 Humboldt along South Fork of Eel River, Miranda South Fork of Eel River; South Fork Eel River, Miranda 121 Comment
  RSA296750  Sanicula tracyi Bruce Miner, Bob Easton 1979-5-29 s.n. Humboldt At east approach to State Route 36 bridge over Van Duzen River. 747 Comment
  UC1197325  Sanicula tracyi Joseph P. Tracy 1908-6-30 Humboldt nw slope Buck Mtn; North Coast Ranges 762 Comment
  HSC101053  Sanicula tracyi Lisa Hoover 1996-7-11 176 Humboldt From County Rd. 1 heading south: turn onto Forest Service Rd. 3N10; pass intersection with FS Rd. 2N10 1119 Comment
  HSC69867  Sanicula tuberosa Thomas W. Nelson 1978-5-28 4095 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  HSC99066  Sanicula tuberosa C. Witte 2007-5-18 40 Humboldt Grouse Mountain Lookout. 1644 Comment
  UC416709  Satureja douglasii Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC556333  Satureja douglasii Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  UC1198880  Saxifraga californica Joseph P. Tracy 1927-4-10 7889 Humboldt Redwood Creek at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC492225  Saxifraga californica Joseph P. Tracy 1927-3-27 7851 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  RSA30643  Saxifraga mertensiana Lincoln Constance, Reed C. Rollins 1942-5-11 2869 Humboldt 3 miles W of East Fork of Willow Creek. Comment
  SD42363  Saxifraga mertensiana Carl B. Wolf 1941-3-2 9991 Humboldt N. Coast Range. 2 mi. s. of Honeydew along Honeydew Creek 152 Comment
  UCD13239  Saxifraga mertensiana Collector unknown 1976-4-10 106 Humboldt California: Humboldt Co. Junction of stae Highway 36 with Alderpoint Rd. Elev. 1800 ft. 548 Comment
  UC183569  Saxifraga nidifica var. nidifica Joseph P. Tracy 1913-6-17 4178 Humboldt near summit of Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  RSA0101646  Sceptridium multifidum Robert F. Thorne, Percy Everett 1965-8-7 35230 a Humboldt Big Lagoon. 3 Comment
  HSC45967  Schoenoplectus tabernaemontani J. P. Smith 1973-5-26 6804 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC100467  Scirpus atrovirens Carl C. Marshall May 1886 218 Humboldt Ditches etc. Comment
  SEINET3914806  Scirpus microcarpus James P. Smith 1973-5-26 6859 Humboldt Scotia Bluffs along the Eel River near Rio Dell.; 0 Comment
  UC774886  Scirpus microcarpus Carl B. Wolf 1937-9-11 9324 Humboldt Redwood Highway 3 mi n Orick (at Davison's Ranch on Prairie Creek); n of Orick at Davison's Ranch on Prairie Creek 60 Comment
  SEINET12815835  Scoliopus bigelovii John D. Freeman, Ruth Freeman 1967-1 583 Humboldt Just west of California Hwy. 36 and just north of Carlotta. 52 Comment
  HSC15636  Scoliopus bigelovii W. D. Stevens 1964-3-21 2 Humboldt 1.0 mi. E of Hwy. 299 on Lindsay Rd. Comment
  HSC66221  Scoliopus bigelovii N. J. Miller 1977-3-5 1 Humboldt Camp Bauer Park, 100 yds. E of baseball field, 0.25 mi. NE of Korbel 58 Comment
  HSC72406  Scrophularia californica J. P. Smith 1973-5-26 6820 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  JEPS120525  Scrophularia californica B. Castro and L. P. Janeway 2004-9-11 1476 Humboldt North Coast. Near blocked S end of Little River Road 0.25 mi N of Central Avenue; near S end of Clam Beach. Comment
  CDA41913  Scrophularia californica T. C. Fuller 1958-6-17 595 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  SEINET10548800  Scrophularia californica Charlene A. Bennett 1976-8-6 Bennett 480 Humboldt Collected by hwy 101, n side of orick, rocky area, densely forested by river. Comment
  UC1239708  Scutellaria antirrhinoides Joseph P. Tracy 1935-6-23 13966 Humboldt French Camp Ridge 1066 Comment
  UC154261  Scutellaria antirrhinoides M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC162687  Scutellaria antirrhinoides Joseph P. Tracy 1911-7-7 3399 Humboldt 3 mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  POM126380  Scutellaria antirrhinoides Chesnut, E. R. Drew 1888-7-10 s.n. Humboldt Jarnigan s. Comment
  UC154010  Scutellaria tuberosa Joseph P. Tracy Jul 27 1908-Jul 30 1908 2717 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC40703  Sedum laxum subsp. heckneri Thomas W. Nelson, Jane P. Nelson 1976-7-1 2898 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC58130  Sedum obtusatum subsp. retusum Gilbert Muth 1979-8-1 12129 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC58165  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-8-2 12231 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  SEINET4076756  Sedum radiatum O. M. Clark 1932-1 1295 Humboldt South Eureka. Comment
  HSC89507  Sedum spathulifolium var. pruinosum M. Roantree 1985-6-11 89 Humboldt W side of Trinidad Head, W of trail Comment
  HSC48308  Sedum spathulifolium var. spathulifolium R. Sutherland 1978-4-23 11 .23478 Humboldt Telegraph Ridge N of Green Ridge 695 Comment
  CDA34903  Selaginella kraussiana Dana York, Adrian York & Noah York 2011-4-2 3019 Humboldt Arcata; eastern edge of Humboldt State University Campus in the community forest, along inlet creek to Fern Lake. Comment
  CAS-BOT-BC69737  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt Trinidad. 60 Comment
  UC630453  Senecio glomeratus H. E. and S. T. Parks 1937-7-1 24033 Humboldt Spruce Cove Trinidad, Spruce Cove 60 Comment
  JEPS37085  Senecio glomeratus W. L. Jepson 1902-6 1935 Humboldt Korbel to Angel's Ranch Comment
  HSC57419  Senecio integerrimus G. L. Clifton, Griswold 1979-7-26 10182 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC6116  Senecio integerrimus D. E. Anderson 1962-5-1 2195 Humboldt 2 mi. W of Hoopa Comment
  CAS-BOT-BC363808  Senecio integerrimus var. exaltatus Doris K. Kildale 1926-4-11 1763 Humboldt McLellan Mountain 822 Comment
  HSC72692  Senecio integerrimus var. major Gail Newton 1980-6-24 562 Humboldt Near Ladder Rock 1570 Comment
  UC34194  Senecio integerrimus var. major Harley P. Chandler June 1901 1274 Humboldt Hupa Indian Reservation North Coast Ranges 1036 Comment
  UC581698  Senecio sylvaticus Joseph P. Tracy 1930-7-26 9116 Humboldt White Thorn Valley 304 Comment
  HSC102100  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1003 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UCR37913  Senecio triangularis D. K. Imper 1982-7-23 1481 Humboldt near Onion Lake 1371 Comment
  UCD135816  Senecio vulgaris Linda M. Barker 1976-3-22 1337 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC85844  Sequoia sempervirens Aven Nelson; Ruth A. Nelson 1933-5-15 587 Humboldt Redwood Highway Comment
  POM208991  Sidalcea diploscypha Lincoln Constance 1934-5-23 613 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park. 366 Comment
  CAS-BOT-BC205570  Sidalcea malachroides A. M. Vollmer; L. Beane 1951-6-11 136 Humboldt Yager Creek Road, on way to Carlotta Comment
  CAS-BOT-BC205575  Sidalcea malachroides Alice Eastwood; John Thomas Howell 1937-6-23 4855 Humboldt 8 miles from Korbel on road to Maple Creek Comment
  UC153948  Sidalcea malachroides J. P. Tracy 1910-5-22 3141 Humboldt vicinity Eureka; vicinity of Eureka 0 Comment
  HSC58334  Sidalcea malviflora subsp. asprella Overton, Butler 1979-8-2 12637 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA28793  Sidalcea malviflora subsp. patula H. E. Parks 1940-05 24177 Humboldt Dow s Prairie 30 Comment
  UC176964  Sidalcea malviflora subsp. patula Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3596 Humboldt near Hydesville; Northern Coast Region, near Hydesville 30 Comment
  HSC104351  Sidalcea malviflora subsp. patula James Regan, Humboldt Redwood Co., LLC 2005-7-7 13 Humboldt Kneeland 854 Comment
  JEPS67278  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-8-22 15671 Humboldt 2 mi s Field's Landing (at Still Ranch); s of Field's Landing, Still Ranch 6 Comment
  HSC101060  Sidalcea oregana subsp. spicata Sydney Carothers, Thomas W. Nelson 1996-8-18 191 Humboldt Six Rivers National Forest; Groves Prairie 451 Comment
  RSA95266  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-11 3778 Humboldt Along road 7 miles north of Arcata. Comment
  HSC35274  Silene bolanderi A. M. Montalvo, J. D. Ackerman 1975-6-22 493 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36. Comment
  HSC26255  Silene bolanderi Thomas W. Nelson 1971-5-31 444 Humboldt 915 Comment
  RSA46875  Silene californica Doris K. Kildale 1927-7-22 3816 Humboldt Lasseck s Peaks Comment
  UC1541413  Silene californica H. E. and S. T. Parks May 1930 751 Humboldt near Hydesville; near Hydesville Comment
  CAS-BOT-BC174881  Silene campanulata subsp. glandulosa Volney Rattan 1903-1-1 s.n. Humboldt Hoopa Valley Comment
  RSA135349  Silene campanulata subsp. glandulosa Volney Rattan 1883 Humboldt Hoopa Valley. Comment
  UC1537311  Silene gallica Gordon H. True Jr. 1936-5-11 461 Humboldt 12 mi w Miranda (e slope Elk Ridge); w of Miranda, e slope Elk Ridge 457 Comment
  HSC90243  Silene gallica Jean Hanson 1980-5-24 57 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  HSC81686  Silene grayi Thomas W. Nelson 1979-7-11 5005 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC668082  Silene grayi Joseph P. Tracy 1932-7-12 10477 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  UC668084  Silene grayi Joseph P. Tracy 1935-7-28 14319 Humboldt head of Devil's Hole , head of Devil's Hole (Trinity Summit) 1828 Comment
  RSA275316  Silene hookeri J. P. Smith, John Sawyer, Jane Cole 1978-5-21 9932 Humboldt Six Rivers National Forest. Along Ishi Pishi Road, 1.5 miles from Ishi Pishi Bridge over the Klamath River. 305 Comment
  CAS-BOT-BC181226  Silene hookeri subsp. bolanderi Doris K. Kildale 1926-6-27 2204 Humboldt Laribee Valley 701 Comment
  HSC95117  Silene laciniata subsp. californica Chris Lee 2002-4-27 23 Humboldt Willow Creek, Brannon Mtn. Rd., .5 mi. W of jct. with Hwy. 96 Comment
  UCSB28368  Silene laciniata subsp. californica Phelps, M. 1972-3-20 Humboldt 1000 yds. north of end of Black Sands Rd.; Black Sands Beach, Shelter Cove 4 Comment
  HSC13907  Sisyrinchium bellum T. M. Mingo May 1965 Humboldt E of College Cove, N of Trinidad Comment
  SEINET6883434  Sisyrinchium bellum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles sou theast of Kneeland. Comment
  SD88388  Sisyrinchium californicum Darley F. Howe 1972-6-30 Humboldt Trinidad. Comment
  UC1196381  Sisyrinchium californicum J. P. Tracy 1901-6-10 1125 Humboldt immediate vicinity of Eureka 0 Comment
  JEPS62111  Smilacina racemosa W. L. Jepson 1932-7-30 16449 Humboldt Bull Creek 121 Comment
  JEPS12058  Solanum americanum W. L. Jepson 1936-8-12 17889 Humboldt South Fork Eel River; Philipsville, South Fork Eel River Comment
  HSC93540  Solanum americanum Spadoni 1997-12-2 Humboldt 1335 J St., Eureka 15 Comment
  HSC21296  Solanum aviculare A. H. Teshima 1963-4-20 21 Humboldt Moonstone Beach area Comment
  HSC21316  Solanum triflorum D. E. Anderson 1962-11-7 2342 Humboldt Near Trinity Hospital Comment
  JEPS11997  Solanum umbelliferum Joseph P. Tracy 1937-7-24 15528 Humboldt 2 mi se of Devil's Hole (Trinity Summit); Trinity Summit 1584 Comment
  CDA8726  Solidago canadensis subsp. elongata M. R. Pryor 1948-7-22 Humboldt County Road, Loleta. 0 Comment
  POM203673  Solidago canadensis subsp. elongata I. L. Wiggins 1932-7-25 5895 Humboldt Roadside near McKinleyville. Comment
  SD143524  Solidago canadensis subsp. elongata H. E. Parks 1931-7 1056 Humboldt Trinidad 74 Comment
  UC1199318  Solidago elongata Joseph P. Tracy 1921-8-21 5943 Humboldt mouth South Fork of Trinity (near Willow Creek, Trinity River Valley); Northern Coast Ranges, Trinity River Valley, mouth South For 152 Comment
  UCD136059  Solidago spathulata Linda M. Barker 1976-8-2 1670 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UCR122358  Solidago spathulata var. spathulata George K. Helmkamp, E. A. Helmkamp 2001-7-8 7023 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC32524  Soliva sessilis David Johnson 1974-5-2 74 Humboldt Mad River Co. Park, mouth of the Mad River; by the parking lot Comment
  HSC26465  Sonchus asper T. O. Osborne 1970-7-18 24 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  HSC6220  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  CAS-BOT-BC158898  Sorbus scopulina Doris K. Kildale 1925-8-16 1170 Humboldt Trinity Summit 1828 Comment
  UC466715  Sorbus scopulina Mrs. Manning 1900-1 Humboldt Mt. Hupa Trinity Summit Comment
  HSC59047  Spergula arvensis Thomas Wood 1979-4-4 93 Humboldt Near Arcata, 3/4 mi. W on Lanphere Rd. after triple intersection with Upper Bay Rd. and Mad River Rd. 0 Comment
  UC161002  Spergularia rubra Joseph P. Tracy 1906-6-17 2492 Humboldt Eureka Northern Coast Region (dry bed of Rick's Prairie pond) 0 Comment
  HSC19753  Spiraea douglasii Paul Shields 1955-10-7 Humboldt Essex Pond, near Fieldbrook Comment
  UC14209  Spiraea douglasii Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  JEPS79990  Spiranthes porrifolia Joseph P. Tracy 1937-8-15 15667 Humboldt 15 mi e Orick (Bald Hills); Bald Hills 914 Comment
  UC146132  Spirodela polyrhiza Joseph P. Tracy 1908-6 2745 Humboldt nw slope Buck Mountain (pond above mouth of Little Van Duzen); Northern Coast Ranges 457 Comment
  UC963853  Stachys ajugoides var. ajugoides H. E. Parks and S. T. Parks August, 1943 24252 Humboldt Spruce Cove North Coast Ranges, Trinidad 60 Comment
  JEPS63030  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-8 14874 Humboldt Trinidad 3 Comment
  JEPS63050  Stachys ajugoides var. rigida Joseph P. Tracy 1937-8-12 15652 Humboldt Snow Camp 1402 Comment
  UC1239721  Stachys ajugoides var. rigida Joseph P. Tracy 1941-6-15 16912 Humboldt Wilder Ridge 762 Comment
  UC153992  Stachys ajugoides var. rigida J. P. Tracy 1906-5-20 2466 Humboldt immediate vicinity Eureka 0 Comment
  JEPS63027  Stachys ajugoides var. rigida Milo S. Baker 1923-7-16 18 Humboldt 4 mi se Eureka Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  UC725501  Stachys chamissonis A. A. Heller 1923-7-9 13786 Humboldt between Eureka and Fortuna Comment
  HSC59665  Stachys chamissonis George Kirn 1977-9-10 Humboldt Eureka, Cooper Gulch S of 14th St. 20 Comment
  UCR122361  Stachys mexicana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6983 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC12596  Stachys rigida C. Kline 1970-11-9 62 Humboldt Bayside Rd., .5 mile N of Bayside Comment
  HSC48678  Stachys rigida var. rigida Brad Klipfel 1973-7-31 250 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58204  Stachys rigida var. rigida Walter Overton 1979-8-1 12317 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC161059  Stellaria crispa Joseph P. Tracy 1901-4-26 1048 Humboldt Humboldt Hill Northern Coast Region, Humboldt Bay Region (Humboldt Bay Region) 0 Comment
  HSC40302  Stellaria media Linda M. Barker 1976-4-30 1396 Humboldt 3 mi. W of Arcata Comment
  UC1198340  Stellaria nitens Joseph P. Tracy 1933-6-13 12563 Humboldt near Hoopa Mountain summit (on road w from Hoopa to Bair's); Northern Coast Ranges, Hoopa Mountain 1066 Comment
  UC1103547  Stellaria nitens Joseph P. Tracy 1918-5-1 4899 Humboldt Kneeland Prairie Northern Coast Ranges (Dan McBride place) 762 Comment
  POM174067  Stephanomeria virgata Joseph P. Tracy 1918-7-7 5039 Humboldt Garberville. 152 Comment
  BLMAR48  Stipa pulchra Brad Barr June, 1982 48 Humboldt King range, ridgetop above Randall Creek and Spanish Flat Comment
  CAS-BOT-BC87613  Streptanthus tortuosus Joseph P. Tracy; F. W. Pennell 1940-7-7 16667 Humboldt Grouse Mountain. 1463 Comment
  CAS-BOT-BC87614  Streptanthus tortuosus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain. 1432 Comment
  UCD116417  Streptanthus tortuosus Richard Spellenberg 1965-6-14 1130 Humboldt south of airport, about 5 miles east of Kneeland. Comment
  UC902000  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain 1432 Comment
  HSC102122  Streptanthus tortuosus var. tortuosus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1026 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC23753  Symphoricarpos albus var. laevigatus Tim Baroni 1971-7-6 112 Humboldt 2 mi. S of Ferndale on Mattole Rd. Comment
  CAS-BOT-BC269571  Symphoricarpos albus var. laevigatus Doris K. Kildale 1925-8-21 1310 Humboldt Yager Creek - near head of bald hills 914 Comment
  HSC41258  Symphoricarpos mollis Brad Klipfel 1974-7-23 450 Humboldt Horse Mountain, N from the towers area. Comment
  UC1239538  Symphoricarpos mollis Joseph P. Tracy 1935-6-23 13998 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC99169  Symphyotrichum chilense L. R. Abrams 1927-8-31 12054 Humboldt Marshes along highway between Eureka and Arcata Comment
  UCD136540  Symphyotrichum chilense Collector unknown Date unknown s.n. Humboldt exact location unknown. Comment
  RSA417726  Symphyotrichum foliaceum var. foliaceum E. S. Spalding 1924-7-11 s.n. Humboldt Between Trinidad and Arcata Comment
  UC175193  Symphyotrichum subspicatum Joseph P. Tracy 1913-9-9 4396 Humboldt Big Lagoon 30 Comment
  UC672289  Symphyotrichum subspicatum Frank W. Peirson 1923-7-11 3882 Humboldt 7 mi n Arcata Comment
  RSA153390  Symphytum asperum T. C. Fuller 1961-9-28 7047 Humboldt Humboldt County: Arcata Bottoms, 0.5 mile S of the Mad River, 0.75mile W of Hwy 101, 2miles N of Arcata Comment
  UC1239632  Symphytum asperum Joseph P. Tracy 1933-6-25 12629 Humboldt around Humboldt Bay (Salmon Creek Valley); Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  JEPS26263  Synthyris reniformis Joseph P. Tracy 1924-2-10 6601 Humboldt Bald Mountain at Hungry Hollow; Bald Mountain 762 Comment
  HSC21147  Synthyris reniformis J. P. Tracy 1906-4-15 2408 Humboldt Bald Mtn., 3 mi. E of Korbel 610 Comment
  HSC93511  Tanacetum bipinnatum Gordon Leppig 1998-5-25 789 Humboldt Big Lagoon State Park. 2 Comment
  RSA26843  Tanacetum camphoratum I. L. Wiggins 1940-7-10 9484 Humboldt Big Lagoon. Comment
  SD39584  Tanacetum camphoratum Charlotte Hoak 1931-7-15 Humboldt Eureka Comment
  UCR122356  Tanacetum camphoratum George K. Helmkamp, E. A. Helmkamp 2001-7-8 7012 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  SD42343  Tanacetum vulgare Carl B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, south side along Redwood Highway 6 Comment
  HSC6268  Taraxacum officinale Francis Winter 1960-4-24 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  CAS-BOT-BC85215  Taxus brevifolia Doris K. Kildale 1927-7-17 3758 Humboldt Bug Creek 792 Comment
  HSC45931  Taxus brevifolia Jerome Peterson 1978-4-29 9 Humboldt Along bank of Redcap Creek 1.0 mi. down Millgap Rd. from Redcap Rd. Comment
  HSC56124  Tellima grandiflora G. L. Clifton, Griswold 1979-8-1 11912 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC56241  Tellima grandiflora Walter Overton 1979-8-1 12338 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  HSC20428  Tellima grandiflora D. E. Anderson 1963-3-16 2382 Humboldt Scotia Bluffs Comment
  HSC103943  Thermopsis macrophylla var. venosa Lisa Hoover 1996-5-29 133 Humboldt Six Rivers National Forest; On ridge above Fish Lake 634 Comment
  UC1198809  Thlaspi montanum var. montanum Harold E. Parks and Joseph P. Tracy 1934-6-14 11029 Humboldt Horse Mt. 1402 Comment
  RSA352355  Thuja plicata J. P. Smith, AdvancedPlantTaxonomyClass 1971-10-9 5021 Humboldt Mad River above the Fish Hatchery. Comment
  RSA89625  Thuja plicata E. K. Balls, P. C. Everett 1953-10-13 18653 Humboldt 10.6 mi E of jct of Hwys 101 and 299 between Arcata and Willow Creek. 244 Comment
  UCD134112  Thuja plicata T. I. Storer 1931-7-1 2223 Humboldt Near Ferndale. Comment
  CAS-BOT-BC88322  Thysanocarpus curvipes John H. Thomas 1968-4-21 14355 Humboldt About 6.4 miles south of Weitchpec (as measured along the road). 170 Comment
  HSC55345  Tiarella trifoliata var. unifoliata Griswold, Butler 1979-7-12 7211 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  JEPS49711  Tiarella trifoliata var. unifoliata W. L. Jepson 1902-6-22 1914 Humboldt Pepperwood on main Eel River (on main Eel River) Comment
  RSA191949  Tiarella trifoliata var. unifoliata R. F. Thorne 1957-9-2 18998 Humboldt Burlington State Park, just S of Weott. Comment
  UC64644  Tiarella trifoliata var. unifoliata H. M. Hall 1899-9 Humboldt Redwood forests along Eel River; along Eel River Comment
  UC1224693  Tolmiea diplomenziesii D. E. Anderson and B. D. Rogers 1964-5-1 1564 Humboldt n of Humboldt State College campus (Jolly Giant creek) Comment
  UC27661  Tonella tenella Mrs. M. H. Manning Apr 1899 Humboldt Hoopa Valley Comment
  POM117573  Toxicodendron diversilobum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  CAS-BOT-BC377101  Tragopogon porrifolius Doris K. Kildale 1925-3-23 587 Humboldt Eureka 30 Comment
  RSA167428  Trichostema oblongum Joseph P. Tracy 1950-8-8 19284 Humboldt Croghan Hole, on Trinity Summit 1677 Comment
  UC177169  Trientalis latifolia Joseph P. Tracy 1913-6-25 4341 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  BLMAR617  Trifolium albopurpureum Jennifer Wheeler 2011-5-20 617 Humboldt King range, Below Strawberry Rock in Mattole Dunes 7 Comment
  UCD107571  Trifolium albopurpureum W. Williams 1951-1 s.n. Humboldt Keithly Ranch. Comment
  UC906702  Trifolium albopurpureum var. dichotomum Harold E. Parks and Joseph P. Tracy 1942-5-16 11555 Humboldt vicinity Garberville 152 Comment
  SDSU5270  Trifolium arvense D. F. Howe 1979-6-25 5195 Humboldt #299, one milesouth of Willow Creek. Comment
  UC1223466  Trifolium dubium Joseph P. Tracy 1935-5-25 13830 Humboldt Blocksburg Comment
  UC1223468  Trifolium dubium Joseph P. Tracy 1948-5-31 18024 Humboldt Blocksburg Comment
  HSC14986  Trifolium dubium J. L. Baker 1965-4-2 56 Humboldt Humboldt Meridain, 4 mi. N of Arcata on North Bank Rd. Comment
  HSC77333  Trifolium dubium L. P. Janeway 1983-4-30 239 Humboldt 21 Comment
  UC1223451  Trifolium fragiferum Joseph P. Tracy 1934-7-27 13490 Humboldt mouth Mad River Comment
  HSC27094  Trifolium fragiferum Thomas W. Nelson 1970-10-31 292 Humboldt N end of the Carson Bridge Comment
  POM214890  Trifolium gracilentum Joseph P. Tracy 1932-5-22 10124 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  HSC31441  Trifolium longipes D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5559 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  UC1541602  Trifolium longipes Harold E. Parks 1934-6-14 4784 Humboldt Horse Mtn 1432 Comment
  JEPS65951  Trifolium microcephalum Joseph P. Tracy 1932-5-1 9893 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UCD111485  Trifolium microcephalum W. A. Williams 1951-5-8 s.n. Humboldt location unknown. Comment
  UC160906  Trifolium microcephalum Joseph P. Tracy 1910-6-5 3144 Humboldt Ocean Beach Northern Coast Ranges, Humboldt Bay Comment
  UC160979  Trifolium microdon Joseph P. Tracy 1908-6 2781 Humboldt nw slope Buck Mtn; Northern Coast Ranges 914 Comment
  UC495697  Trifolium microdon Joseph P. Tracy 1927-6-18 8184 Humboldt between Petriola and the ocean hills; Northern Coast Ranges 152 Comment
  CDA30206  Trifolium obtusiflorum M. K. Beyers, I. Shepardson 2009-9-13 245 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  SEINET4178759 Image available Trifolium obtusiflorum Unknown 1932-6-14 10153 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC1197489  Trifolium oliganthum Joseph P. Tracy 1922-4-30 6002 Humboldt near Willow creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC49247  Trifolium subterraneum R. Sutherland 1978-5-19 2 .19578 Humboldt Mckee Flat 296 Comment
  HSC45116  Trifolium variegatum R. Sutherland, R. Sutherland 1978-5-19 13 .19578 Humboldt 134 Comment
  UC1223311  Trifolium willdenovii Joseph P. Tracy 1934-4-8 13170 Humboldt betw Miranda and Redway South Fork of Eel River Comment
  UC1223322  Trifolium willdenovii Joseph P. Tracy 1935-6-8 13945 Humboldt along hwy (at n end of lagoon); Big Lagoon Comment
  JEPS37725  Trifolium wormskioldii Joseph P. Tracy 1917-5-30 4801 Humboldt Northern Coast Ranges, Little River Beach Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  JEPS37724  Trifolium wormskioldii Joseph P. Tracy 1918-7-3 4991 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  JEPS66087  Trifolium wormskioldii W. L. Jepson 1902-6-25 1934 Humboldt Korbel to Angel's Ranch Comment
  SEINET12156843  Trifolium wormskioldii J. P. Tracy 1938-1 16056 Humboldt Field's Landing, 2 mi S of town 6 Comment
  UC1223524  Trifolium wormskioldii Joseph P. Tracy 1936-5-29 14828 Humboldt 4 mi e Orick; Grans Prairie 548 Comment
  UC201372  Trifolium wormskioldii Joseph P. Tracy 1918-7-3 4991 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  HSC90253  Triglochin concinna Jean Hanson 1981-5-10 137 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  CHSC69507  Triglochin maritima Vernon Oswald; Lowell Ahart 1997-9-4 8849 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. Bordering a drainage entering the lagoon at the boat ramp. 3 Comment
  RSA249526  Triglochin maritima Robert F. Thorne, Percy C. Everett 1965-8-9 35303 Humboldt Big Lagoon. 3 Comment
  HSC36439  Triglochin maritima John Rehling 1974-7-8 8 Humboldt Big Lagoon Bog Comment
  UC527822  Triglochin maritima Ira L. Wiggins 1932-6-18 5868 Humboldt at mouth of Little River Little River Comment
  JEPS86159  Trillium chloropetalum Wayne Roderick 1966-5-5 Humboldt n. of Bridgeville 609 Comment
  HSC15689  Trillium kurabayashii K. P. St. John 1965-4-24 43 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  CHSC23038  Trillium ovatum E. K. Daniels 1964-4-18 33 Humboldt Prairie Creek State Park; 1 mi from Pacific Ocean beach on trail towards Park Headquarters. 30 Comment
  CHSC28032  Trillium ovatum L. Greenhill 1977-4-6 12 Humboldt Abundant population 10 ft. from n side of highway 36, 1mile w from Grizzly Creek State Campground. 91 Comment
  HSC71798  Trillium ovatum Gail Newton 1980-6-16 169 Humboldt Near Monks Camp. 1097 Comment
  HSC15701  Trillium ovatum D. M. Thomson 1965-4-26 30 Humboldt Along Gold Bluff Rd. 1.0 mi. S of Prairie Creek State Park Comment
  HSC34646  Trillium ovatum Peter R. Leinau 1975-4-5 1 Humboldt Block 11 of the Union St. addition to the city of Arcata, 1640 Union St. Comment
  HSC33758  Triphysaria eriantha subsp. eriantha A. Montalvo 1975-5-24 275 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  SBBG68597  Triphysaria eriantha subsp. eriantha S. W. Hutchinson -Apr-1927 Humboldt Eureka 8 Comment
  UC198033  Triphysaria eriantha subsp. eriantha H. E. Parks and Joseph P. Tracy 1927-4-24 7946 Humboldt Bucksport 6 Comment
  HSC70581  Triphysaria pusilla Sue Sweet 1981-4-30 549 Humboldt Lanphere-Christensen Dunes Preserve, along trail N of weather station Comment
  SBBG7056  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-25 3444 Humboldt near Arcata Comment
  HSC27022  Triphysaria versicolor subsp. versicolor Brad Klipfel 1972-5-5 1 Humboldt S of Lanphere's barn, Humboldt Bay Comment
  HSC99524  Trisetum canescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 187 Humboldt Near North Trinity Mtn, 11. 5 mi. E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS72932  Trisetum canescens Lincoln Constance 1934-5-23 612 a Humboldt se slope of mountain above Look Prairie 365 Comment
  UC526695  Trisetum canescens Joseph P. Tracy 1927-6-19 8194 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  SEINET10605778  Trisetum canescens Joseph P. Tracy 1901-5-30 Tracy 1109 Humboldt At Eureka. Comment
  UC1103151  Trisetum cernuum J. P. Tracy 1900-5-22 800 1/2 Humboldt immediate vicinity Eureka 0 Comment
  UCD93904  Trisetum cernuum A. H. Murphy 1947-8-5 s.n. Humboldt Bald Hills, 7-8 miles SE of Orick. Comment
  HSC24373  Triteleia bridgesii J. O. Sawyer 1970-6-24 2238 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC3059  Triteleia laxa Lincoln Constance 1934-5-29 710 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  UC709429  Triteleia laxa Joseph P. Tracy 1941-6-15 16911 Humboldt opposite Kings Peak; Wilder Ridge 762 Comment
  UCR32084  Triteleia laxa David J. Keil 1983-7-2 17340 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  RSA167426  Triteleia laxa Joseph P. Tracy 1950-6-8 18755 Humboldt At Davis Creek Mouth, south of Cape Mendocino Comment
  RSA1916  Tsuga heterophylla C. B. Wolf 1930-10-25 1763 Humboldt 12 miles above Blue Lake along Blue Lake to Willow Creek Road (Lord Ellis Road). 305 Comment
  UC54775  Tsuga heterophylla Joseph Burtt Davy 1899-6-18 5627 Humboldt along Redwood Creek Redwood Creek (at Bair's) Comment
  SEINET11737871  Tsuga heterophylla K. S. Erdman 1970-1 4798 Humboldt Cal-Barrow Rd, 3 mi E of US 101 at boundary of Prairie Creek State Park (Redwood National Park) Comment
  CAS-BOT-BC73932  Turritis glabra Doris K. Kildale 1926-4-30 1949 Humboldt Fruitland Hill - Harris Road divided between north and south forks of Eel River. Comment
  UC672886  Typha latifolia Joseph P. Tracy 1934-7-14 13398 Humboldt along Mad River near Blue Lake; along Mad River, near Blue Lake 15 Comment
  HSC93497  Typha latifolia Gordon Leppig 1998-6-8 899 Humboldt Arcata Marsh and Wildlife Sanctuary, SW side of pond. 2 Comment
  CAS-BOT-BC91110  Umbellularia californica Doris K. Kildale 1927-2-28 2987 Humboldt Bug Creek. Upper Mad River. 792 Comment
  HSC49395  Umbellularia californica R. York 1979-4-16 235 Humboldt Corner of 12th and D in Arcata Comment
  CAS-BOT-BC404069  Urtica dioica subsp. holosericea Henry M. Pollard 1956-10-13 s.n. Humboldt Bank of Klamath River at Orleans Hotel, Orleans Comment
  UC1198132  Urtica urens Joseph P. Tracy 1941-6-17 16917 Humboldt Eureka 30 Comment
  HSC96264  Vaccinium cespitosum Eric Schori, Kazuyuki Ishimaru 2005-6-24 16 Humboldt Branch rd. off Titlow Hill Rd., Buck Flat 1570 Comment
  UC1197771  Vaccinium cespitosum J. P. Tracy 1906-4-22 2415 Humboldt immediate vicinity Eureka; , Ricks Prairie 0 Comment
  UC562347  Vaccinium cespitosum Joseph P. Tracy 1933-7-16 12792 Humboldt near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  CAS-BOT-BC199316  Vaccinium ovatum P. C. Everett; E. K. Balls 1959-10-26 23974 Humboldt 4 mi. se. from Honeydew along Old Coast Road to Ettersburg 457 Comment
  HSC26397  Vaccinium ovatum T. O. Osborne 1970-9-16 31 Humboldt Trinidad Bay, Prisoner Rock Comment
  RSA2925  Vaccinium ovatum C. B. Wolf 1931-8-29 1240 Humboldt Near summit of Orick Hill on road to Weitchpec. 305 Comment
  RSA46873  Vaccinium ovatum Doris K. Kildale 1927-3-25 s.n. Humboldt Humboldt Hill Comment
  SBBG21991  Vaccinium ovatum R. F. Thorne 1957-9-2 18997 Humboldt Burlington State Park, just S of Weott Comment
  UC1193355  Vaccinium ovatum P. Zinke 1950-9-21 165 Humboldt se slope Kerr Peak (Quad 29C2) 609 Comment
  UCD166889  Vaccinium ovatum Colleen Rossier 2016-9-17 7 Humboldt In vicinity of Natuket Creek, plot Natuket #1. 702 Comment
  UCD166925  Vaccinium ovatum Colleen Rossier 2016-9-17 9 Humboldt In vicinity of Sunny Ridge Stump. Plot Sunny Ridge Old Stump. 579 Comment
  CAS-BOT-BC199421  Vaccinium parvifolium Elmer I. Applegate 1923-9-10 s.n. Humboldt Martin's Ferry, Klamath River Comment
  JEPS58710  Vaccinium parvifolium Joseph P. Tracy 1918-4-21 4879 Humboldt Near Newell's old cmap, Kneeland Prairie Road, around Humboldt Bay, Northern Coast Region, Humboldt Bay 457 Comment
  RSA303471  Vaccinium parvifolium J. R. Shevock 1972-3-26 1470 Humboldt Along Hwy 299. 366 Comment
  UC22217  Vaccinium parvifolium Harley P. Chandler May 1901 1182 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC32256  Vaccinium uliginosum J. O. Sawyer 1970-6-24 2286 Humboldt Near Waterdog Lakes 1860 Comment
  HSC55023  Vaccinium uliginosum Overton, Butler 1979-7-31 11435 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  SEINET12335251  Valeriana sitchensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -313 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  CAS-BOT-BC5073  Valeriana sitchensis subsp. scouleri Alice Eastwood; John Thomas Howell 1937-6-24 4868 Humboldt 5 miles E of Berry Summit Comment
  UC602512  Valeriana sitchensis subsp. scouleri Joseph P. Tracy 1924-4-27 6643 Humboldt Willow Creek Canyon; Northern Coast Ranges 609 Comment
  UC602496  Valeriana sitchensis subsp. sitchensis Joseph P. Tracy 1932-7-13 10505 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC75566  Vancouveria hexandra Griswold, Butler 1979-7-11 6902 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC30400  Vancouveria hexandra J. D. Ackerman, A. M. Montalvo 1974-7-17 376 Humboldt Grizzly Creek State Park, along Hwy. 36, between Carlotta and Bridgeville Comment
  HSC3387  Vancouveria hexandra N. D. Dennis 1965-5-2 37 Humboldt 2 mi. N of Trinidad on Hwy. 101 Comment
  CAS-BOT-BC76087  Vancouveria planipetala Ira L. Wiggins 1932-6-18 5865 Humboldt Along Jacoby Creek, 2 miles east of Bayside. Comment
  HSC70385  Vancouveria planipetala M. A. Baker 1980-6-7 1860 Humboldt Near Ammon Creek. 732 Comment
  UCR52470  Vancouveria planipetala J. O. Sawyer, R. J. Cole 1977-7-3 3003 Humboldt Environs of Mud Sprng. Big Hill Road (F.S. 8N01) 1246 Comment
  SEINET10536497  Vancouveria planipetala Mary Susan Taylor 1980-6-11 Taylor 2843 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  UCSB23564  Vancouveria planipetala Keefe, Joseph 1967-7-8 Humboldt Redwood Forest, Avenue of the Giants, 2.4 miles north of Miranda 121 Comment
  CAS-BOT-BC527423  Veratrum californicum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Garlotta Humboldt Comment
  CAS-BOT-BC527424  Veratrum californicum L. B. Kildale 1930-7-11 10206 Humboldt Snow Camp. head of Redwood Creek Comment
  UC175819  Veratrum californicum var. californicum Joseph P. Tracy 1913-6-23 4280 Humboldt near summit ridge between Van Duzen and Mad Rivers (in wet meadow); Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  HSC58115  Veratrum viride G. L. Clifton, Griswold 1979-8-1 12074 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC98931  Veratrum viride Cara Witte 2007-7-19 549 Humboldt Forest Service Road 4N32. 1.5 miles east of intersection with 4N70. Grouse Mountain Lookout. 1547 Comment
  UC582591  Verbascum blattaria Joseph P. Tracy 1937-6-26 15366 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC98712  Verbascum blattaria Cara Witte 2007-8-1 616 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1/2 mile north of intersection with Forest Service Road 5N09. 1414 Comment
  POM283821  Veronica americana Lyman D. Benson 1928-7-10 441 Humboldt Clam Beach, Trinidad. Comment
  SEINET3825239 Image available Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-3 1190 Humboldt Southern outskirts of Eureka Comment
  JEPS5706  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-14 3412 Humboldt at Snow Camp below Snow Camp Mountain (between Mad River and Redwood Creek (Bald Mountain Ridge)); Snow Camp 1432 Comment
  RSA730595  Veronica serpyllifolia subsp. humifusa Robert F. Thorne, Percy C. Everett 1965-8-8 35263 a Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  HSC39004  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-5-31 2650 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC1197467  Vicia americana var. americana Joseph P. Tracy 1914-5-14 4437 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  HSC31738  Vicia americana var. americana Donald Spalinger 1974-5-12 56 Humboldt Williams Ridge Rd., 1 mi. N from junction with Bald Hills Rd. 732 Comment
  HSC100542  Vicia americana var. truncata Carl C. Marshall Apr 1884 47 Humboldt Thickets and roadsides throughout Humboldt Bay. Comment
  RSA91235  Vicia angustifolia F. W. Peirson 1926-7-13 7059 Humboldt Mad River, near Blue Lake Comment
  HSC100543  Vicia gigantea Carl C. Marshall May 1885 43 Humboldt Thickets everywhere. Comment
  UC169307  Vicia hirsuta Joseph P. Tracy 1912-7-7 3738 Humboldt Eureka; Northern Coast Region 0 Comment
  UC495714  Vicia hirsuta H. E. Parks and Joseph P. Tracy 1931-5-23 9452 Humboldt vicinity Trinidad; Northern Coast Region 60 Comment
  UCR104583  Vicia sativa subsp. nigra A. R. Alexander 1998-4-9 10 Humboldt US Highway 101 and Giuntoli Lane, near shopping center, Arcata 152 Comment
  SD131841  Vicia tetrasperma Barbara Ertter, Thomas J. Delendick 1987-5-16 6912 Humboldt Hwy 299 roadside ca 8 miles east of Arcata, 9 1/2 mi. West of Lord Ellis summit Comment
  UC1222587  Vicia tetrasperma Joseph P. Tracy 1948-8-7 18083 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC709408  Vicia villosa subsp. villosa Joseph P. Tracy 1938-7-5 16016 Humboldt Hydesville 91 Comment
  HSC21760  Viola adunca G. N. Bos 1965-5-2 251 Humboldt 1 mi. E of Fernwood F.G.S. on Bald Mtn. Rd. 762 Comment
  RSA114998  Viola adunca E. K. Balls, Lee W. Lenz 1955-5-15 20739 Humboldt 13.5 miles SW from Ferndale along Old Coast road to Capetown. 335 Comment
  UC1762513  Viola californica Milo S. Baker 11506 Humboldt South Fork Mountain, Lemonade Spring 1371 Comment
  HSC41248  Viola glabella Brad Klipfel 1974-5-27 395 Humboldt Near Horse Mtn. Comment
  UC1198456  Viola glabella Joseph P. Tracy 1913-5-4 4055 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1198458  Viola glabella Joseph P. Tracy 1913-6-20 4222 Humboldt in valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  UC1762506  Viola glabella Milo S. Baker 1947-8-10 11900 Humboldt near end of forest road from Hoopa 1371 Comment
  CHSC97987  Viola hallii J. Breton; A. Livingston 2005-6-10 9 Humboldt Coldspring Camp, 7.4 mi. south of Hwy 299 on NF1. 1357 Comment
  HSC70321  Viola ocellata M. A. Baker 1980-6-7 1872 Humboldt Near Ammon Creek 732 Comment
  UC1198438  Viola ocellata Joseph P. Tracy 1937-5-30 15307 Humboldt 5 mi n of Blocksburg (Larrabee Creek); Larrabee Creek 365 Comment
  UC1761429  Viola palustris Milo S. Baker 1923-8-23 445 b Humboldt 3 1/2 mi E of Eureka Comment
  RSA21088  Viola praemorsa subsp. linguifolia Carl B. Wolf 1937-6-14 8816 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  UC249588  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1922-5-29 6067 Humboldt Head of South Yager Creek; Northern Coast Ranges, South Yager Creek Comment
  HSC95737  Viola sempervirens Steven Lee 2004-2-18 1 Humboldt Arcata Community Forest, Jolly Giant Creek; 5-20 ft. from water's edge Comment
  UC1198436  Viola sempervirens Joseph P. Tracy 1933-3-26 10938 Humboldt Big Lagoon 30 Comment
  HSC98736  Viola sheltonii Cara Witte 2008-6-2 670 Humboldt Along National Forest 1. 1 mile north of 5N18 (road to Spike Buck Mt.) 1583 Comment
  HSC104101  Vulpia bromoides Kyle Brown 2015-4-25 50 Humboldt Arcata, trail along the Mad River 8 Comment
  CAS-BOT-BC184235  Vulpia microstachys var. pauciflora S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3431 Humboldt Northwest slopes of Buck Mountain 822 Comment
  UC525673  Vulpia microstachys var. pauciflora Joseph P. Tracy 1932-5-22 10116 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UCD94613  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-6-17 14961 Humboldt Burr Valley. On northwest slope of Buck Mountain. Comment
  RSA10073  Vulpia microstachys var. pauciflora Joseph P. Tracy 1925-5-17 6985 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  HSC39399  Vulpia myuros D. E. Anderson, J. P. Smith 1971-6-28 - 1253 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC70383  Vulpia myuros M. A. Baker 1980-6-7 1792 Humboldt Near Brush Mtn. 1128 Comment
  UCD94900  Vulpia myuros A. H. Murphy 1951-5-18 39 Humboldt Cook Ranch, 1/2 mile northwest of Petrolia. Comment
  HSC98363  Whipplea modesta T. Jimerson, J. Pageau 1979-6-13 545 Humboldt Near Onion Lake, close to the town of Orleans. 549 Comment
  UC161564  Whipplea modesta Joseph P. Tracy 1911-7-7 3429 Humboldt Brannan Mt Northern Coast Ranges (viz: ridge n of Willow Creek, between Willow and Campbell Creeks, near the summit) 1219 Comment
  HSC20442  Whipplea modesta Yarick 1960-8-5 Humboldt M&M, 7 mi., Krueger Creek Comment
  HSC20444  Whipplea modesta Francis Winter 1960-5-7 Humboldt 2 mi. N of Hwy. 299 on Redwood Valley Rd. 457 Comment
  JEPS60110  Woodwardia fimbriata Lincoln Constance 1934-6-2 784 Humboldt S Fork Eel River; Bull Creek Region Comment
  HSC38521  Wyethia angustifolia D. E. Anderson, J. P. Smith 1971-6-18 - 1077 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  UC1223300  Wyethia angustifolia Joseph P. Tracy 1950-9-10 19357 Humboldt Bear River Ridge 609 Comment
  UC582645  Wyethia angustifolia Joseph P. Tracy 1933-8-6 12937 Humboldt French Camp Ridge 1066 Comment
  UC485604  Wyethia angustifolia P. E. Goddard 1907-6-16 b. 123 Humboldt Van Duzen Comment
  UC582643  Wyethia angustifolia Joseph P. Tracy 1930-7-27 8898 Humboldt open grassy hills Northern Coast Ranges, Bear River Ridge 609 Comment
  UC1223296  Xanthium spinosum Joseph P. Tracy 1943-11-28 17452 Humboldt river bar at mouth Van Duzen River (near Alton); Eel River 91 Comment
  UC673077  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  CAS-BOT-BC527079  Xerophyllum tenax Doris K. Kildale; L. B. Kildale 1930-5-11 9530 Humboldt Wire Grass Prairie, Bald Hills 792 Comment
  HSC100567  Xerophyllum tenax Carl C. Marshall Jun 1885 82 Humboldt Ridge between Redwood and N Fork. Comment
  HSC23679  Zeltnera muehlenbergii Tim Baroni 1971-7-5 103 Humboldt 8 mi. E of Petrolia Comment
  HSC99016  Zigadenus micranthus Cara Witte 2007-5-21 66 Humboldt White Oak Opening. 1257 Comment
  HSC98027  Zigadenus micranthus Cara Witte 2007-7-10 471 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  UC175304  Zostera marina Joseph P. Tracy 1913-9-21 4408 Humboldt abundantly washed ashore on Samoa beach, doubtless washed from Humboldt Bay or Eel River Comment



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