Search Results — 2000 specimen records retrieved (1336 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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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77966  Abies concolor Doris K. Kildale 1930-8-3 10358 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  HSC99822  Abies concolor T. Jimerson, J. Pageau 1979-8-10 715 Humboldt Near Tish Tang A Tang Ridge 1463 Comment
  CAS-BOT-BC78025  Abies grandis Doris K. Kildale 1928-6-2 5303 Humboldt Bucksport - near Eureka Comment
  CDA468  Abies grandis George Loughner 2000-10-6 PDR# 023915 Humboldt Ridge, E of Blue Lake. 0 Comment
  UCD109784  Abronia latifolia Roman Gankin 1965-8-6 558 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  SEINET5011048  Abronia latifolia Unknown 2002-8-19 83 Humboldt Sand beach N of rocky promontory and coast guard station. Comment
  UCD112495  Acaena novae-zelandiae D. W. Cooper 1967-6-30 s.n. Humboldt SE of Forest Service Nursey, ca. 2 miles SE of Crannell and ca. 4 miles E of US Highway 101. Comment
  UC1222158  Acer glabrum var. glabrum Joseph P. Tracy 1950-7-1 18947 Humboldt near Clear Lake (back of Cold Springs, Cold slope); Grouse Mountain, at Cold Springs, near Clear Lake 1432 Comment
  UC502939  Acer glabrum var. glabrum Joseph P. Tracy 1932-7-12 10475 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  HSC98961  Acer glabrum var. torreyi Cara Witte 2008-6-13 728 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1455 Comment
  CAS-BOT-BC331589  Acer macrophyllum Doris K. Kildale 1927-5-1 3117 Humboldt Blocksburg 518 Comment
  HSC13074  Acer macrophyllum D. Santana, C. Kline Oct 1970 23 Humboldt HSC Campus Comment
  CAS-BOT-BC28578  Achillea millefolium J. Clausen 1949-6-23 2159 Humboldt Benbow, 2 miles S of Garberville. Comment
  UC1225749  Achlys californica Joseph P. Tracy 1946-6-23 17594 Humboldt Kneeland Prairie 762 Comment
  UC275323  Achlys californica Joseph P. Tracy 1923-6-20 6312 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  SBBG2285  Achlys triphylla H. and M. Dearing 1933-5-16 397 Humboldt Weott Comment
  UC1103143  Achnatherum lemmonii Joseph P. Tracy 1912-7-31 3942 Humboldt Buck Mountain, near summit Northern Coast Ranges, Buck Mountain 1676 Comment
  UC1152042  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19598 Humboldt n side of Board Camp Mountain at extreme head of Redwood Creek Board Camp Mountain, Redwood Creek Comment
  UC180895  Achnatherum lemmonii Joseph P. Tracy 1913-6-20 4246 Humboldt near summit between Van Duzen River and Mad River; Northern Coast Ranges, Van Duzen River, , Dinsmore' 1066 Comment
  HSC45096  Acmispon micranthus R. Sutherland 1978-5-13 3 .13578 Humboldt Mattole River. 282 Comment
  HSC98308  Acmispon micranthus D. B. Bader 1963-3-1 22 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  UC1212576  Aconitum columbianum Francia Chisake and Helen Sharsmith 1959-8-22 4752 Humboldt bog at Happy Camp (just over line from Trinity Co.); Inner N. Coast Ranges, Happy Camp 914 Comment
  UC502920  Aconitum columbianum Joseph P. Tracy 1932-7-20 10729 Humboldt meadow at Corral Prairie; Klamath Mts., Trinity Summit 1524 Comment
  UCD137891  Acorus calamus Malcolm A. Nobs; S. Galen Smith 1949-8-9 1242 Humboldt on south side of the town of Blue Lake. Comment
  RSA416321  Adenocaulon bicolor Thekla Mohr 1918-07 s.n. Humboldt Eel River. Comment
  SEINET181253  Adenocaulon bicolor Bassett Maguire, Ruth R. Maguire; C. B. Maguire 1934-6-8 15295 Humboldt Bolling Grove State Park Comment
  UC1102641  Adiantum X tracyi J. Neeman 1948-1 Humboldt near Garberville Comment
  HSC95886  Adiantum aleuticum Will Ferrand 2002-2-2 23 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  CAS-BOT-BC65623  Adiantum jordanii Donald Branscomb 1959-9-1 s.n. Humboldt About 1 mile north of Garberville Comment
  UC127705  Ageratina occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5884 Humboldt Francis Range North-Western California Comment
  UC194431  Ageratina occidentalis P. E. Goddard Jun 1 1906-Jul 1 1906 638 Humboldt North Fork Eel River Comment
  UC1222927  Agoseris grandiflora Joseph P. Tracy 1950-6-15 18798 Humboldt 7 mi n, at Jenk's Ranch Harris; Mail Ridge Comment
  UC166821  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-6-16 1152 Humboldt at Bucksport; Eureka 0 Comment
  UC582753  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1934-7-4 13298 Humboldt at crossing of the Kneeland Road Lawerence Creek 457 Comment
  HSC74276  Agoseris heterophylla M. A. Baker 1980-5-23 1390 Humboldt Near Buck Mtn. 1524 Comment
  UC302295  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1926-6-27 7688 Humboldt Horse Mountain; Northern Coast Ranges 1524 Comment
  UC582746  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 C Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  UC165756  Agoseris heterophylla var. heterophylla J. P. Tracy 1903-5-22 1875 A Humboldt on grassy hills Alder Point 152 Comment
  UC582741  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1933-5-30 12417 Humboldt (near Garberville) Redway 152 Comment
  HSC32098  Agoseris retrorsa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5703 Humboldt McKeown Ranch, N of Dinsmore Comment
  CAS-BOT-BC127279  Agrostis exarata Joseph P. Tracy 1927-6-19 8193 Humboldt Northern Coast Region. Big Lagoon. 6 Comment
  CAS-BOT-BC127280  Agrostis exarata Joseph P. Tracy 1934-7-2 13296 Humboldt Trinidad. 60 Comment
  CAS-BOT-BC127285  Agrostis exarata William Arents Silveus 1938-7-10 2969 Humboldt Eureka. Comment
  UC1052443  Agrostis exarata H. E. and S. T. Parks 1952-6 7553 Humboldt Spruce Cove Trinidad 60 Comment
  HSC58753  Agrostis gigantea Overton, Butler 1979-7-24 9698 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CHSC69848  Agrostis hallii Leonel Arguello 1989-8-20 Humboldt Collected at the Lanphere-Christensen Dunes Preserve 3 miles west of Arcata. Growing alongside North Dune Loop trail about 40 yards from the Salt Marsh trail. Comment
  UCD52715  Agrostis hallii R. Tofsrud 1949-7-1 s.n. Humboldt between Scotia and Capetown. Comment
  CAS-BOT-BC139125  Agrostis oregonensis Doris K. Kildale 1925-8-17 1264 Humboldt Trinity Summit. 1917 Comment
  BLMAR22  Agrostis stolonifera Brad Barr June, 1982 22 Humboldt King range, Spanish ridge Comment
  UCD53462  Agrostis stolonifera P. B. Kennedy 1928-7-16 s.n. Humboldt Sea Cliffe, near Trinidad. Comment
  UCD53537  Agrostis stolonifera R. Tofsrud 1948-9-1 s.n. Humboldt Salmon Creek Ranch, about 8 miles S. of Eureka. Comment
  HSC58825  Agrostis thurberiana Walter Overton 1979-8-1 12399 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC2886  Alisma triviale Rollin Sparrowe 1962-5-16 23 Humboldt S of road Comment
  UC303139  Allium bolanderi Joseph P. Tracy 1925-6-7 7073 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon Comment
  RSA47172  Allium campanulatum Doris K. Kildale 1927-7-22 3815 Humboldt Lasseck s Peaks Comment
  HSC97940  Allium falcifolium Cara Witte 2007-5-23 86 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  HSC66828  Allium hoffmanii M. A. Baker 1980-7-11 2791 Humboldt Near Red Mtn. 1341 Comment
  HSC56339  Allium serra Griswold, Butler 1979-7-10 6224 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  RSA20861  Allium unifolium Carl B. Wolf 1937-8-11 8900 Humboldt Fleener Creek, 0.5 mile south of Centerville. 46 Comment
  RSA75603  Allium unifolium Albert M. Vollmer, L. Beane 1951-6-11 138 Humboldt Horse Mountain-Shelter Cove Road. Comment
  HSC99505  Allium validum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 165 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
  CAS-BOT-BC171313  Alnus incana subsp. tenuifolia Joseph P. Tracy 1927-8-22 8335 Humboldt Bald Mountain; In cold wet meadow near High Prairie 1066 Comment
  UC249536  Alnus rhombifolia Joseph P. Tracy 1922-10-1 6117 Humboldt Cummings Creek Noerthern Coast Ranges, Van Duzen River (5 mi e of Carlotta) 30 Comment
  HSC40971  Alnus rubra Linda M. Barker 1976-6-14 1602 Humboldt 3 mi. W of Arcata Comment
  UCR3548  Alnus rubra David Whistler, H. M. Whistler 1964-7-31 640731- 10 Humboldt North Coast, 0.2 mi. south of Prairie Creek Redwoods State Park, along US Hwy 101, and Prairie Creek [Camp Rd.?] 10 Comment
  CAS-BOT-BC13699  Ambrosia chamissonis Kenneth Clark 1981-5-24 1396 Humboldt Shelter Cove, 100 yards west of Dead Man's Gulch. Point Delgada quad. 3 Comment
  CAS-BOT-BC142906  Amelanchier Doris Kildale 1931-5-10 10555 Humboldt Snow Camp Comment
  HSC71166  Amelanchier alnifolia Thomas W. Nelson 1977-5-30 3412 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 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
  HSC55599  Amelanchier pallida Overton, Butler 1979-7-23 9413 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  CAS-BOT-BC137867  Ammophila arenaria Dziekanowski; Dunn; Bennett 1976-8-6 2504 Humboldt In the vicinity of a state park on the beach opposite McKenleyville. 3 Comment
  CAS-BOT-BC222304  Amsinckia douglasiana H. E. Parks 1933-3-1 4282 Humboldt Trinidad Comment
  UC1239643  Amsinckia intermedia Joseph P. Tracy 1936-6-9 14897 Humboldt hills between the coast and Petrolia 213 Comment
  HSC26473  Amsinckia spectabilis T. O. Osborne 1970-4-8 15 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  UC165846  Anaphalis margaritacea J. P. Tracy 1901-7-29 1226 Humboldt immediate vicinity Eureka 0 Comment
  HSC4628  Anaphalis margaritacea H. E. Parks, S. T. Parks Aug 1943 24237 Humboldt Along Hwy, Stone Lagoon Comment
  SEINET10674734  Anaphalis margaritacea Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 478 Humboldt Collected by Hwy. 101, N side of Orick. Rocky area, densely forested by river. 30 Comment
  UC1222881  Anaphalis margaritacea Joseph P. Tracy 1950-9-10 19363 Humboldt 1 mi inland, on foothills of the Cape Ridge Cape Mendocino 60 Comment
  UC933413  Anaphalis margaritacea Annie M. Alexander and Louise Kellogg 1948-9-3 5572 Humboldt Trinity River, Klamath River Comment
  HSC55868  Anemone deltoidea G. L. Clifton, Griswold 1979-7-25 10891 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  POM118715  Anemone deltoidea Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  UC1125863  Anemone deltoidea A. E. Wieslander 1931-5-17 193 Humboldt Orick-Orleans Rd Orick Comment
  SDSU9921  Anemone deltoidea D. F. Howe 1969-5-30 4606 Humboldt Forest east of Orick. 396 Comment
  CAS-BOT-BC391870  Anemone grayi Doris K. Kildale 1928-5-1 5984 Humboldt MacLellan Mountain 914 Comment
  HSC64348  Anemone oregana var. oregana J. P. Smith, J. O. Sawyer 1973-5-12 6694 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC55623  Angelica arguta Overton, Butler 1979-7-24 9570 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  UC1103417  Angelica genuflexa Joseph P. Tracy 1936-8-17 15148 Humboldt 2 mi s of Fields Landing (around Humboldt Bay, at Still Ranch); Northern Coast Region, Still Ranch 6 Comment
  RSA21584  Angelica hendersonii C. B. Wolf 1937-9-9 9304 Humboldt 2 miles S of Cape Mendocino. 6 Comment
  SEINET12117363  Angelica hendersonii J. P. Tracy 1950-1 19352 Humboldt Bear River Ridge 610 Comment
  UC1103414  Angelica lucida Joseph P. Tracy 1914-10-4 4632 Humboldt near Hookton (at s end of Humboldt Bay); Northern Coast Region, Humboldt Bay 0 Comment
  CAS-BOT-BC271451  Anisocarpus madioides Henry M. Pollard 1948-7-23 s.n. Humboldt Perch Creek canyon, near Orleans Comment
  CHSC91538  Anthoxanthum odoratum G. Douglas Barbe; T. C. Fuller 1974-6-17 1848 Humboldt North Coast Ranges. At 707 'L' Street, Eureka, behind CSAA (Calif State Automobile Assoc.) district office. Comment
  RSA34311  Anthoxanthum odoratum L. Larsen 1935-5-7 s.n. Humboldt Arcata Comment
  UC162567  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1911-7-10 3482 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 243 Comment
  UC582471  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1935-10-13 14756 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC73424  Aphanes occidentalis Robert Kirkpatrick, Doug Renwick 1981-4-3 147 Humboldt 2 mi. N of Coastguard Station on Samoa Blvd. 5 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
  HSC3218  Apocynum cannabinum Lincoln Constance 1934-6-11 848 Humboldt Bull Creek region, trail along E bank of S Fork of Eel, N Dyerville Flat Comment
  HSC100611  Aquilegia truncata Carl C. Marshall Jun 1887 Humboldt Everywhere. Comment
  HSC58034  Arabis glabra G. L. Clifton 1979-7-31 11869 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC492237  Arabis glabra Joseph P. Tracy 1932-5-1 9860 Humboldt Redway Northern Coast Ranges 152 Comment
  JEPS53031  Arabis glabra Lincoln Constance 1934-6-22 920 Humboldt s of Dyerville (down Canoe Creek road to Redwood Highway); South Fork Eel River, Bull Creek Region, Grasshopper Peak Su Comment
  HSC98725  Arabis subpinnatifida Cara Witte 2007-5-23 93 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  CAS-BOT-BC128697  Arbutus menziesii Doris K. Kildale 1927-4-16 3019 Humboldt Between Island Mountain and Fort Seward Comment
  HSC7592  Arbutus menziesii J. W. Johnson 1962-4-2 1416 Humboldt In the woods near Lanphere Lane, Christenson Farm, Samoa Peninsula Comment
  UC1198125  Arceuthobium campylopodum J. P. Tracy 1901-6-26 1060 Humboldt on Humboldt HIll Eureka vicinity 0 Comment
  UC1222871  Arctium minus Joseph P. Tracy 1948-9-20 18223 Humboldt halfway between Hoopa and Weitchpec Comment
  UC1196876  Arctostaphylos Joseph P. Tracy 1934-3-11 13157 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23730  Arctostaphylos columbiana Joseph P. Tracy 1937-7-17 15439 Humboldt Eureka 45 Comment
  CAS-BOT-BC23754  Arctostaphylos columbiana Alice Eastwood; John Thomas Howell 1934-4-11 1327 Humboldt Patrick's Point Comment
  CAS-BOT-BC23760  Arctostaphylos columbiana Alice Eastwood; John Thomas Howell 1934-4-11 1326 Humboldt Patrick's Point Comment
  CAS-BOT-BC23789  Arctostaphylos columbiana Walter Knight 1965-8-4 1157 Humboldt Shelter Cove - Thorn Jct. - approx. 4 mi. S of Mendocino-Humboldt Co. line. 365 Comment
  CAS-BOT-BC23825  Arctostaphylos columbiana Doris K. Kildale 1927-3-25 3011 Humboldt Humboldt Hill Comment
  RSA622681  Arctostaphylos columbiana Jon E. Keeley 1996-10-13 27787 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA622695  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27673 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC397305  Arctostaphylos columbiana Joseph P. Tracy 1923-3-31 6169 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay 60 Comment
  RSA252144  Arctostaphylos columbiana var. tracyi Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon. 61 Comment
  SD230217  Arctostaphylos glandulosa subsp. glandulosa Louis C. Wheeler 1959-8-1 7621 Humboldt Queens Peak Mine. Comment
  UC585933  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1934-7-9 13331 Humboldt ridge 5 mi s Harris (on road towards Bell Springs); North Coast Ranges 762 Comment
  HSC100093  Arctostaphylos manzanita J. P. Smith, J. O. Sawyer 2010-3-22 12710 Humboldt Along Hwy. 36, E of Dinsmore. 734 Comment
  RSA633022  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27802 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  CAS-BOT-BC38835  Arctostaphylos manzanita subsp. manzanita P. C. Everett; E. K. Balls 1959-10-24 23954 Humboldt 6.8 mi. SW from Siskiyou-Humboldt Co. line, somesbar to Orleans. 152 Comment
  CAS-BOT-BC45881  Arctostaphylos nevadensis Joseph P. Tracy 1927-6-12 8132 Humboldt Horse Mountain 1432 Comment
  HSC31439  Arctostaphylos nevadensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5557 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC44450  Arctostaphylos nevadensis Brad Klipfel 1975-5-30 654 Humboldt Horse Mtn. Comment
  SBBG83936  Arctostaphylos nevadensis subsp. knightii R. Gankin, W. R. Hildreth 1967-10-26 1175 Humboldt French Camp Ridge, 21.4 mi E of US 101 on Bald Hills Rd from Orick Comment
  HSC40550  Arctostaphylos patula Thomas W. Nelson, Jane P. Nelson 1976-5-23 2524 Humboldt SW facing slopes 1666 Comment
  HSC74562  Arctostaphylos patula M. A. Baker 1980-5-17 1270 Humboldt Near Le Perron Peak 1066 Comment
  HSC74654  Arctostaphylos patula M. A. Baker 1980-5-17 1269 Humboldt Near Le Perron Peak 1066 Comment
  UC1198668  Arctostaphylos patula Joseph P. Tracy 1942-6-23 17263 Humboldt open ridges near Water-dog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC47215  Arctostaphylos uva-ursi Carl B. Wolf 1930-10-28 1779 Humboldt Samoa, Humboldt Bay. 15 Comment
  RSA636928  Arctostaphylos uva-ursi Jon E. Keeley, J. O. Sawyer 1996-10-11 27665 Humboldt Landfill Christensen Nature Conservancy Reserve, Arcata. 25 Comment
  UC1225930  Arctostaphylos uva-ursi Joseph P. Tracy 1945-5-10 17506 Humboldt Eureka 45 Comment
  UC484044  Arctostaphylos uva-ursi Carl B. Wolf 1930-10-28 1779 Humboldt Samoa Humboldt Bay 15 Comment
  RSA1903  Arctostaphylos uva-ursi var. coactilis C. B. Wolf 1930-10-28 1035 Humboldt Samoa. 15 Comment
  HSC76328  Arctostaphylos viscida Denis Kearns 1981-7-6 52 Humboldt Near Mosquito Lake 1122 Comment
  UCR141664  Arctotheca calendula J. M. DiTomaso 2000-8-14 s.n. Humboldt W of town of Ferndale, east of Centerville Beach, along Centerville Rd, at Pries Dairy, near Russ Creek 200 Comment
  CAS-BOT-BC526231  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt Larry Pries dairy, 3.4 mi W of Main St., on Centerville Beach Rd, Ferndale Comment
  HSC26887  Armeria maritima subsp. californica Clifton Raymond Chesbrough 1973-6-19 99 Humboldt 0.5 mi. N of College Cove, along the coast. Comment
  HSC48771  Armeria maritima subsp. californica Brad Klipfel 1975-5-22 618 Humboldt Near city of Eureka airport S of Samoa Comment
  UC154174  Armeria maritima subsp. californica Harley P. Chandler May, 1901 1153 Humboldt Humboldt Bay North Coast Ranges 3 Comment
  HSC40999  Arnica discoidea J. O. Sawyer 1975-10-17 2709 Humboldt Along Big Hill Rd. 915 Comment
  HSC63286  Arnica discoidea M. A. Baker 1979-6-29 955 Humboldt Hopkin's Creek. 760 Comment
  HSC49998  Arnica discoidea M. A. Baker 1979-6-7 790 Humboldt W slope of Snow Mtn. 762 Comment
  HSC98679  Arnica spathulata Cara Witte 2008-7-10 851 Humboldt Forest Service Road 4N06A. Cow Creek Ridge. 1.5 mile from National Forest 1. Under powerlines. 1239 Comment
  HSC47778  Arrhenatherum elatius Michael A. Watkins 1978-6-10 6 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  UC1057744  Arrhenatherum elatius W. L. Colwell 1957-7-6 42 Humboldt 6 mi nw of Bridgeville (Redwood House Ranch, Quadrangle 26C3); Redwood House Ranch 685 Comment
  UCD56014  Arrhenatherum elatius Freed W. Hoffman 1946-5-19 1726 Humboldt North Coast Ranges. Mattole River. Comment
  SEINET201067  Artemisia dracunculus Joseph P. Tracy 1916-9-5 Humboldt Humboldt County: South fork of eel river 4 miles above the mouth. Comment
  CAS-BOT-BC90870  Artemisia pycnocephala Carl B. Wolf 1927-8-29 1206 Humboldt Seacoast, [Devil's] Devils Gate, just south of Cape Mendocino Comment
  UC581793  Artemisia suksdorfii Joseph P. Tracy 1934-7-13 13382 Humboldt Trinidad 3 Comment
  CAS-BOT-BC400536  Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  HSC3267  Asarum caudatum P. Markle 1962-3-27 2 Humboldt On hillside near E bank of HSC Reservoir 30 Comment
  SD58206  Asarum caudatum Lincoln Constance 1934-6-2 774 Humboldt Bull Creek Region, South Fork Eeel River, Bull Creek road to mouth of Bull Creek and up Bull Creek Comment
  SEINET12097886  Asarum caudatum H. P. Chandler 1901-1 1267 Humboldt Redwood Belt 457 Comment
  UC1103509  Asarum caudatum Joseph P. Tracy 1932-7-16 10643 Humboldt Trinity Summit; woods at edge of McKay Prairie 1584 Comment
  HSC38092  Asclepias cordifolia Thomas W. Nelson, James Nelson 1976-5-30 2613 Humboldt McKeown Ranch, N of Dinsmore. Comment
  CHSC23909  Aspidotis densa D. E. Anderson 1965-5-1 3582 Humboldt Along road to Bluff Creek campground, about 3 miles from its jct. With Hw. 96. Comment
  HSC1052  Aspidotis densa P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  RSA686365  Aspidotis densa Thomas W. Nelson, Jane Nelson 1976-7-1 2906 Humboldt Growing on serpentine ridge north of Bear Creek 1463 Comment
  CDA10236  Aster chilensis E. C. Whitney 1963-9-17 Humboldt Lamphere Road, Arcata. 0 Comment
  SEINET11852839  Aster chilensis J. P. Tracy 1950-1 19362 Humboldt Cape Ridge, 0.5 mi S of Capetown, along coast road, 1 i inland from Cape Mendocino 200 Comment
  RSA167196  Aster oregonensis Joseph P. Tracy 1950-9-22 19378 Humboldt Roadside, about 3 miles southwest of Orleans Comment
  RSA44410  Aster oregonensis H. M. Pollard 1947-8-30 s.n. Humboldt North road along Klamath River near Van Fleet Ranch, Orleans region. Comment
  SEINET3070824 Image available Astragalus agnicidus H. Tosten 1931-6-7 s.n. Humboldt Near Bear Buttes, 4 mi S of Miranda. Local on Tosten and Pierce Ranch. Comment
  UC502993  Astragalus agnicidus J. C. Tario Jr. 1931-8-20 Humboldt 4 mi s Miranda (near Bear Buttes, local on Tosten and Pierce Ranch); s of Miranda, nr Bear buttes, Tosten and Pierce Ranch 762 Comment
  BLMAR295  Astragalus pycnostachyus var. pycnostachyus Jennifer Anthony-Wheeler 2002-6-25 295 Humboldt King range, South side Mattole Estuary on riverbank behind dunes 3 Comment
  CAS-BOT-BC193134  Astragalus rattanii var. rattanii Volney Rattan 1883-6-13 s.n. Humboldt Bug Creek, a tributary of Mad Riv. Comment
  POM214878  Astragalus rattanii var. rattanii Joseph P. Tracy 1932-6-19 10245 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  UC82583  Astragalus rattanii var. rattanii J. W. Blankinship 1893-6-15 Humboldt Bridgeville Comment
  HSC101497  Astragalus umbraticus Thomas W. Nelson, Jane P. Nelson 1987-6-27 8620 Humboldt Along Forest Service Road to Onion Lake, 8.2 miles from junction with State Route 96 823 Comment
  HSC103507  Astragalus umbraticus Thomas W. Nelson, Jane Nelson 1987-6-11 8526 Humboldt Along Forest Service Rd. 13N01, 9 mi. from junction with State Route 96 762 Comment
  RSA187393  Astragalus umbraticus Volney Rattan 1903-1 1878 Humboldt [no locality information provided] Comment
  UC160968  Astragalus umbraticus Mrs. M. H. Manning 1901-7-27 306 Humboldt near Hupa (Hoopa) (Bald Hills); near Hupa (Hoopa), Bald Hills Comment
  HSC58324  Asyneuma prenanthoides Overton, Butler 1979-8-2 12621 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC10342  Athyrium filix-femina var. cyclosorum W. R. Supernaugh, Jr. 1964-12-12 8 Humboldt 1 mi. W of Freshwater Corners on Old Arcata Rd on S side of Hwy. Comment
  HSC976  Athyrium filix-femina var. cyclosorum Francis Winter 1960-4-24 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  UC1239778  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1923-8-7 6534 Humboldt Strong's Station; Northern Coast Ranges 60 Comment
  HSC32331  Athysanus pusillus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5671 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC4339  Atriplex prostrata Larry Berti 1968-10-26 Humboldt Big Lagoon County Park, SW corner Comment
  HSC26780  Avena barbata Thomas W. Nelson 1971-5-31 461 Humboldt 915 Comment
  RSA129099  Avena barbata H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Comment
  UC187270  Avena barbata Joseph P. Tracy 1906-4-29 2426 Humboldt near Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  UC1152029  Avena fatua A. H. Murphy 1951-4-2 8 Humboldt Hwy 101 1/4 mi s Phillipsville (side of road) Comment
  UCD56094  Avena strigosa Ma. Jaegar 1926-6-8 415 3d Humboldt Happy Valley. Comment
  CAS-BOT-BC98029  Baccharis pilularis Elmer I. Applegate 1922-9-19 3451 Humboldt Along the coast below Eureka Comment
  CAS-BOT-BC98030  Baccharis pilularis Joseph P. Tracy 1923-10-6 6565 Humboldt Eureka, around Humboldt Bay 30 Comment
  RSA14722  Baccharis pilularis C. B. Wolf 1927-8-29 1219 Humboldt Devils' Gate, S of Cape Mendocino Comment
  HSC90230  Baccharis pilularis subsp. consanguinea L. Watson, J. Meninga Aug 1990 3 Humboldt Near Manilla. Mad River Slough and Dunes, 50 ft. from parking lot, E of trail Comment
  UC582639  Balsamorhiza deltoidea Joseph P. Tracy 1932-6-14 10143 Humboldt west of mouth of South Fork of Trinity River South Fork of Trinity River 609 Comment
  UC1198286  Barbarea orthoceras Joseph P. Tracy 1906-5-6 2443 Humboldt hillside in Wolverton Gulch, near Hydesville 60 Comment
  SFV18538  Bellis perennis M. Cavelti 2002-5-4 34 Humboldt On A street off 11th street, along western side of road. 20 Comment
  CAS-BOT-BC48157  Bensoniella oregona R. Bacigalupi; L. Constance; J. P. Tracy; R. Moran; R. L. Rodriguez; S. J. Carlquist 1951-6-14 3410 Humboldt Bald Mountain ridge - in bog, edge of forest at High Prairie, on long high ridge between Mad River and Redwood Creek 1066 Comment
  HSC42786  Berberis nervosa Rick Cooper 1977-4-23 13 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  OBI16932  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Crk. Below Orleans 8 mi Comment
  JEPS35166  Blechnum spicant Milo S. Baker 1923-7-19 83 Humboldt canyon near Wilder's; Mattole River region, sw Humboldt Co. Comment
  UC492238  Boechera platysperma Joseph P. Tracy 1932-7-12 10458 Humboldt Head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  UC162612  Boechera retrofracta Harley P. Chandler Jun 1901 1511 Humboldt Klamath River North Coast Ranges 426 Comment
  HSC74350  Boschniakia strobilacea Gail Newton 1980-6-17 221 Humboldt Near Onion Mtn. 1341 Comment
  HSC56002  Boykinia major Overton, Butler 1979-7-31 11453 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  CAS-BOT-BC420277  Boykinia occidentalis J. P. Tracy 1901-6-30 1210 Humboldt Immediate vicinity of Eureka Comment
  RSA246661  Boykinia occidentalis R. F. Thorne, P. Everett 1965-8-5 35127 -a Humboldt Wailaki Recreation site. 518 Comment
  CAS-BOT-BC420255  Boykinia occidentalis John Thomas Howell 1931-6-17 6722 Humboldt 18 miles n. of Arcata on Redwood Highway Comment
  CAS-BOT-BC420272  Boykinia occidentalis L. R. Abrams 1916-7-21 6149 Humboldt Grizzly Creek Comment
  HSC39223  Boykinia occidentalis D. E. Anderson, J. P. Smith 1971-7-6 - 1320 Humboldt Rock wall near bridge over Supply Creek Comment
  UC420421  Boykinia occidentalis Mrs. M. H. Manning 1901-7-31 323 Humboldt Eureka Trail Comment
  CAS-BOT-BC36698  Brassica rapa Roxana S. Ferris 1937-8-21 9391 Humboldt Face of Cliff above Shelter Cove. Comment
  HSC89516  Brassica rapa M. Roantree 1985-6-11 94 Humboldt E side of Trinidad Head Comment
  CAS-BOT-BC106292  Brickellia californica Doris K. Kildale 1926-8-8 2480 Humboldt Dyerville Bridge 45 Comment
  CAS-BOT-BC106298  Brickellia californica Frank W. Peirson 1926-7-13 7048 Humboldt Mad River, vicinity of Blue Lake Comment
  CHSC2124  Briza maxima M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC83441  Briza maxima R. N. Raynor 1935-5-22 Humboldt Ft. Seward Comment
  RSA244953  Briza maxima Glen I. Wilcox 1973-5-26 s.n. Humboldt West shore of freshwater lagoon. Comment
  SBBG122948  Briza maxima D. Wilken with E. Painter 2007-6-4 16739 Humboldt Samoa Dunes, ca. 0.4 km W of US Coast Guard Station, North Spit, Humboldt Bay 5 Comment
  HSC89421  Briza minor P. A. Daly 1984-7-15 32 Humboldt Trinidad Head 61 Comment
  HSC9091  Briza minor John Warner Hosking 1966-8-5 Humboldt 12th anb B St., Arcata Comment
  HSC22043  Brodiaea elegans subsp. elegans D. G. Hauger 1967-7-15 22 Humboldt Shower Pass Rd., Kelly's turn off 915 Comment
  UC1197747  Brodiaea elegans subsp. elegans Joseph P. Tracy 1924-8-6 6780 Humboldt garden of Joseph P. Tracy, Eureka Comment
  UC666907  Brodiaea elegans subsp. elegans Joseph P. Tracy 1936-6-10 14925 Humboldt mountain slopes w of its mouth South Fork of Trinity River 304 Comment
  JEPS7624  Brodiaea stellaris Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3406 Humboldt along state Hwy 36 5 mi e Bridgeville Comment
  HSC3017  Brodiaea terrestris subsp. terrestris D. E. Anderson 1963-5-25 2493 Humboldt 4 mi. W of Petrolia Comment
  CAS-BOT-BC484614  Brodiaea terrestris subsp. terrestris D. E. Breedlove 1962-6-7 3038 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC91591  Brodiaea terrestris subsp. terrestris E. Mackey 1986-6-18 Humboldt Patrick's Point State Park on Ceremonial Rock Comment
  UC1197744  Brodiaea terrestris subsp. terrestris J. P. Tracy 1896-7-4 521 Humboldt near Ft. Humboldt (immediate vicinity of Eureka); Eureka 0 Comment
  HSC9215  Bromus carinatus T. L. Ackerman 1964-5-15 45 Humboldt Dunes west from Fairhaven sign Comment
  SEINET799035  Bromus carinatus Joseph P. Tracy 1919-1 5159 Humboldt Hill slopes at W. side of Trinity River, near Willow Creek 152 Comment
  SEINET11675365  Bromus carinatus J. P. Tracy 1951-1 19569 Humboldt Snow Camp-Twin Lakes vicinity Comment
  UC249783  Bromus carinatus var. carinatus Joseph P. Tracy 1923-6-19 6302 Humboldt Northern Coast Ranges, Wilder Ridge Wilder Ridge; Northern Coast Ranges, Wilder Ridge 762 Comment
  UC552685  Bromus carinatus var. carinatus Joseph P. Tracy 1934-7-18 13423 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC26616  Bromus commutatus J. P. Smith, Steve Selva 1970-6-14 3826 Humboldt Along Hwy. 96 at Whitmore Creek. 152 Comment
  UCD58456  Bromus commutatus A. H. Murphy 1951-6-13 62 Humboldt 2 miles south of Blocksburg. Tooby and Prior Ranch. Comment
  HSC9300  Bromus diandrus E. W. Styskel 1964-4-28 75 Humboldt End of Davis St. at the edge of Eel River in Rio Dell Comment
  HSC32487  Bromus hordeaceus Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide Comment
  HSC90691  Bromus hordeaceus Gail Newton 1982-5-31 3555 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1145162  Bromus orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt Grouse Mountain on Friday Ridge, at Friday's Camp Friday Ridge; Grouse Mountain, , Friday's Camp 1219 Comment
  CAS-BOT-BC161604  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Northern Coast Ranges of California. Stitz Creek. Along Eel River from South Fork to Scotia. 60 Comment
  UC212890  Bromus tectorum Joseph P. Tracy 1919-5-31 5173 Humboldt Northern Coast Ranges, at mouth of Willow Creek, tributary of Trinity River Willow Creek; Northern Coast Ranges, Willow Creek 152 Comment
  SD112830  Calamagrostis canadensis D. F. Howe 1961-8-1 3103 Humboldt 6 miles north of Trinidad on Highway 101 Comment
  CAS-BOT-BC185239  Calamagrostis koelerioides Joseph P. Tracy 1935-7-24 14192 Humboldt Trinity Summit. Near Ranger Station. 1828 Comment
  HSC44185  Calamagrostis koelerioides Thomas W. Nelson, Jane P. Nelson 1977-9-3 3736 Humboldt Ridge NW of the pond above Alder Spring 1555 Comment
  UCD57329  Calamagrostis koelerioides Joseph P. Tracy 1936-7-26 15050 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  HSC9413  Calamagrostis nutkaensis DWC 1956-5-29 14 Humboldt Capetown, Mattole soil Comment
  HSC17635  Calandrinia ciliata R. T. Forester 1963-5-6 48 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  HSC62829  Callitriche stagnalis J. M. DiTomaso 1979-5-29 1080 Humboldt Arcata Bottoms, 1.7 mi. W of Alliance Rd. on Lanphere Rd. Comment
  HSC3803  Callitriche trochlearis D. B. Bader 1963-4-1 42 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  HSC57012  Calocedrus decurrens Overton, Butler 1979-7-24 9611 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  OBI7409  Calocedrus decurrens H. Wiedman July1966 s.n. Humboldt Near the Hoopa Valley Indian Reservation 366 Comment
  UC1198260  Calocedrus decurrens Joseph P. Tracy 1912-8-1 3954 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCSB24062  Calocedrus decurrens McMinn, H. 1922-07 Humboldt 1 mile east of Dinsmore Comment
  UC535782  Calochortus amabilis Eleanor Armstrong 1934-5-25 Humboldt n of Redway Comment
  SEINET4169987  Calochortus pulchellus Unknown 1948-6-13 18050 Humboldt Harris 610 Comment
Read comments Nov 23 2021
  HSC15377  Calochortus tolmiei D. E. Anderson 1965-5-15 3559 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek, above Trinity River Comment
  UC146213  Calochortus tolmiei Joseph P. Tracy 1908-6-7 2612 Humboldt Butler Valley Northern Coast Ranges 152 Comment
  CAS-BOT-BC494363  Calochortus tolmiei Volney Rattan 1882-6-1 s.n. Humboldt Kuseland Comment
  UC1222546  Calochortus vestae Joseph P. Tracy 1950-7-6 19004 Humboldt 2 mi s Burr Valley (on the Albee Raod) 1158 Comment
  UC1196480  Calypso bulbosa Joseph P. Tracy 1911-5-7 3181 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC102606  Calyptridium monospermum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1593 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC59205  Calystegia soldanella Terry Roth 1979-5-24 81 Humboldt Samoa Dunes near the U.S. Coast Guard Station 5 Comment
  HSC6363  Calystegia soldanella J. W. Johnson 1962-6-4 1413 Humboldt Arcata, W.M. Lanphere Farm, Samoa peninsula Comment
  RSA21032  Calystegia soldanella C. B. Wolf 1937-6-18 8902 Humboldt Centerville Beach. 3 Comment
  UC1197878  Calystegia soldanella Joseph P. Tracy 1920-8-29 5397 Humboldt mouth Little River (sand dunes); Northern Coast Ranges, mouth Little River 6 Comment
  UC1197671  Camassia quamash J. P. Tracy 1901-6-23 1181 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC493386  Camassia quamash subsp. linearis Doris Kildale 1931-5-10 10558 Humboldt Snow Camp Comment
  HSC99216  Camissonia cheiranthifolia Linda M. Barker 1976-5-13 1492 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  HSC16439  Camissonia cheiranthifolia D. E. Anderson 1961-9-9 1795 Humboldt Big Lagoon County Park Comment
  RSA146360  Camissonia cheiranthifolia subsp. cheiranthifolia G. J. Goodman 1957-9-3 6550 Humboldt On the strand 2 miles south of Orick. Comment
  RSA186809  Camissonia cheiranthifolia subsp. cheiranthifolia T. Mosquin, L. Mosquin 1962-7-19 4489 Humboldt 8.8 miles north of Big Lagoon along U.S. Highwy 101 to Oregon Comment
  SEINET10462990  Campanula prenanthoides Tracy 1934-8-24 TRACY 13591 Humboldt Trinity Highway, on ridge east of North Fork of Mad River 610 Comment
  SEINET10840312  Campanula prenanthoides Mcgregor 1921-8-17 MCGREGOR s.n. Humboldt Abandoned road grade, Oriels Comment
  SEINET10873255  Campanula prenanthoides Sutherland 1976-8-13 SUTHERLAND 27 .13.8.76 Humboldt Bank at mouth of Redwood Creek at South Fork Eel River; Garberville quad. T4S R3E Sec. 10 87 Comment
  UC1021825  Campanula prenanthoides J. M. Tucker 1948-9-3 1859 Humboldt road bank on Friday Ridge Road just below Black Rock ((junction of Friday Ridge Road and the Horse Mountain-Grouse Mountain Road)) Comment
  HSC34270  Campanula scouleri K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  UC34826  Campanula scouleri Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC98724  Campanula scouleri Cara Witte 2008-7-16 919 Humboldt Forest Service Road 4N38. At intersection to Board Camp Lookout. 1414 Comment
  SEINET10463748  Campanula scouleri Rattan 1883-6-30 RATTAN s.n. Humboldt Between Redwood Creek and Mad River Comment
  UC1199206  Cardamine breweri J. P. Tracy 1901-3-31 997 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC37427  Cardamine californica Doris Kildale 1931-5-10 10559 Humboldt Snow Camp. Comment
  HSC6694  Cardamine californica J. L. Baker 1965-4-12 43 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC95664  Cardamine californica Kevin Thomas 2004-3-6 1 Humboldt Along beach access trail to College Cove Comment
  UC1222656  Cardamine californica Joseph P. Tracy 1950-4-20 18619 Humboldt along highway about 2 mi s of crossing Little Van Duzen (w slope Buck Mountain); , s of Little Van Duzen crossing Comment
  UC275269  Cardamine oligosperma Joseph P. Tracy 1923-4-15 6183 Humboldt at Berry's Northern Coast Ranges, , at Berry's (Redwood Creek) 274 Comment
  HSC6647  Cardamine oligosperma Francis Winter 1960-4-24 Humboldt Redwood Creek Ranch 381 Comment
  HSC79513  Cardamine oligosperma Kenneth Clark 1980-3-2 512 Humboldt Middle alluvial terrace, Dead Man's Gulch 37 Comment
  RSA441719  Cardionema ramosissimum M. B. Dunkle 1936-8-18 4828 Humboldt Moonstone Beach. Comment
  SEINET201070  Carduus pycnocephalus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  JEPS25976  Carex amplifolia Joseph P. Tracy 1935-6-23 13986 Humboldt French Camp Ridge 1066 Comment
  HSC70473  Carex aquatilis var. dives J. P. Tracy 1906-5-13 2459 Humboldt Humboldt Bay, Ocean Beach Comment
  SEINET10588473  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 Tracy 13504 Humboldt Dense clumps in wettest places. Dry Lagoon - along coast in front of South End of Stone Lagoon. 3 Comment
  HSC104333  Carex arcta James Regan, Humboldt Redwood Co., LLC 2007-6-22 27 Humboldt Small pond near Fox Creek 61 Comment
  CAS-BOT-BC18077  Carex athrostachya Alice Eastwood; John Thomas Howell 1937-6-23 4801 Humboldt Little Van Duzen River. Comment
  UC562628  Carex athrostachya Joseph P. Tracy 1904-7-18 13426 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1103084  Carex athrostachya Joseph P. Tracy 1930-7-23 9139 Humboldt Horse Mountain, near Cold Springs North Coast Ranges 1524 Comment
  CAS-BOT-BC19441  Carex bolanderi Joseph Prince Tracy 1935-6-23 13985 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  CHSC85985  Carex bolanderi L. P. Janeway 2003-7-30 7947 Humboldt High North Coast Ranges. Small spring and seep 100 m south-west of Clear Lake, 3.1 km southeast of Titlow Hill. 1494 Comment
  UC562277  Carex bolanderi Joseph P. Tracy 1935-7-23 14162 Humboldt Trinity Summit, lower end of Brett Hole 1584 Comment
  UC562431  Carex bolanderi Joseph P. Tracy 1936-6-9 14912 Humboldt Upper Mattole 457 Comment
  HSC43238  Carex bolanderi R. Sutherland 1977-4-5 5477 Humboldt 386 Comment
  HSC62882  Carex buxbaumii J. M. DiTomaso 1979-5-20 1049 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  UC303016  Carex concinnoides Joseph P. Tracy 1926-5-2 7447 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC302098  Carex deweyana subsp. leptopoda Joseph P. Tracy 1912-7-25 3815 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CHSC85975  Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  SEINET7557970 Image available Carex echinata subsp. phyllomanica Juha Pykala, D. H. Norris 1987-6-24 1900 Humboldt Big Lagoon, Big Lagoon fen. Comment
  HSC99593  Carex feta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 254 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC102202  Carex fracta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1117 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 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
  CAS-BOT-BC20873  Carex globosa Joseph Prince Tracy 1929-6-3 8605 Humboldt North Coast Ranges. Willow Creek Canyon. Mouth of East Fork. 487 Comment
  UC197229  Carex gynodynama Joseph P. Tracy 1906-4-29 2430 Humboldt Northern Coast Region, south slope of Humboldt Hill. Comment
  SEINET7561242 Image available Carex harfordii Andrew L. Hipp 1999-6-2 483 Humboldt Orick, Redwood National Park, Bald Hill Road, 16.7 mi from 101. 503 Comment
  HSC70353  Carex hendersonii M. A. Baker 1980-6-7 1862 Humboldt Near Ammon Creek 732 Comment
  UC1103592  Carex hendersonii J. P. Tracy 1899-4-30 312 Humboldt immediate vicinity Eureka 0 Comment
  UC562724  Carex hendersonii Joseph P. Tracy 1933-5-28 12415 Humboldt Carlotta Northern Coast Ranges 60 Comment
  CHSC90286  Carex laeviculmis Thomas W. Nelson; Jane P. Nelson 1987-6-11 8587 Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  CAS-BOT-BC31264  Carex lenticularis var. impressa Joseph Prince Tracy 1932-7-14 10554 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  UC562436  Carex lenticularis var. impressa Joseph P. Tracy 1932-7-14 10554 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC28504  Carex lenticularis var. limnophila Frank W. Peirson 1926-7-13 7046 Humboldt Along shore of first lagoon south of Orick Comment
  SEINET7565155 Image available Carex leptopoda David Castaner 1989-6-19 10248 a Humboldt Fern Canyon. Comment
  CAS-BOT-BC31585  Carex luzulina var. luzulina Joseph Prince Tracy 1930-7-16 8987 Humboldt South Fork Mountain, in wet meadow at McKay Camp. 1676 Comment
  RSA122772  Carex lyngbyei H. S. Yates 1936-6-23 s.n. Humboldt 1 mile west of Bayside; sea level 0 Comment
  CHSC84738  Carex microptera L. P. Janeway 2003-7-26 7920 Humboldt High North Coast Ranges. South side (above) Road 5N04, 0.5 km northeast of the top of Grouse Mountain. 1554 Comment
  HSC102161  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1071 Humboldt Patterson Meadows 1555 Comment
  HSC36162  Carex microptera Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1891 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC73962  Carex multicaulis Gail Newton 1980-6-7 126 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC32135  Carex multicaulis George Ledyard Stebbins; J. P. Tracy 1942-6-2 3480 Humboldt Head of Yager Creek near Yager, rich soil of moist woods. Comment
  UC152055  Carex multicaulis Joseph P. Tracy 1950-7-1 18958 Humboldt near Friday Camp; Grouse Mountain, Friday Ridge 1219 Comment
  UC2015846  Carex multicaulis Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4360 Humboldt Coast Range, Buck Mountain Comment
  UC302097  Carex multicostata Joseph P. Tracy 1913-6-16 4145 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Van Duzen River Valley 762 Comment
  HSC7065  Carex obnupta D. B. Bader 1963-3-29 35 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101 Comment
  UC1598395  Carex obnupta Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4353 Humboldt Burr Creek Burr Valley Comment
  JEPS25960  Carex obnupta Joseph P. Tracy 1916-5-31 4969 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  POM250761  Carex obnupta D. D. Keck 1938-8-5 4770 Humboldt Big Lagoon, among rocks in open spots on beach Comment
  RSA15497  Carex obnupta Joseph P. Tracy 1934-7-30 13514 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon). 3 Comment
  JEPS80014  Carex ovalis Joseph P. Tracy 1926-6-20 7631 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1463 Comment
  HSC104441  Carex pansa Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 15 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC90761  Carex pansa Gail Newton 1982-6-5 3586 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC82401  Carex scopulorum var. bracteosa Thomas W. Nelson 1979-7-11 5013 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  CAS-BOT-BC117539  Carex serratodens Joseph Prince Tracy 1926-6-27 7692 Humboldt Horse Mountain. 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
  HSC44120  Carex subfusca Thomas W. Nelson, Jane P. Nelson 1976-6-15 2735 Humboldt Just W of Goat Hill along road off FS 2S08 1463 Comment
  CAS-BOT-BC116683  Carex subfusca Joseph Prince Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC249758  Carex tumulicola Joseph P. Tracy 1923-6-19 6296 Humboldt Upper Mattole Valley Northern Coast Ranges 152 Comment
  UC249757  Carex tumulicola Joseph P. Tracy 1923-5-13 6205 Humboldt near Bridgeville; Northern Coast Ranges 213 Comment
  SEINET10751219  Carex unilateralis Joseph P. Tracy 1930-6-15 Tracy 8756 Humboldt Dobbyn Creek, bordering a pond. 152 Comment
  UC1152066  Carex unilateralis Joseph P. Tracy 1950-7-6 18989 Humboldt Burr Valley; on NW slopes of Buck Mountain 1066 Comment
  UC562627  Carex unilateralis Joseph P. Tracy 1933-6-9 12539 Humboldt Fortuna 18 Comment
  CAS-BOT-BC115065  Carex vesicaria Joseph Prince Tracy 1934-7-18 13428 Humboldt In shallow pond, Grouse Mountain. 1524 Comment
  UC1103609  Carex vesicaria var. major Joseph P. Tracy 1938-7-7 16033 Humboldt Cold Springs Grouse Mountain 1432 Comment
  HSC76379  Carex viridula L. P. Janeway 1982-8-7 116 Humboldt Dry Lagoon, middle of lagoon 3 Comment
  UC1103605  Carex viridula var. viridula Joseph P. Tracy 1934-10-21 13693 Humboldt in front of South End Stone Lagoon (Dry Lagoon) 3 Comment
  HSC79490  Carpobrotus chilensis Kenneth Clark 1980-4-18 574 Humboldt On lowest alluvial terrace of Dead's Man Gulch. 3 Comment
  HSC2874  Carpobrotus edulis C. B. Wolf 1927-8-29 1212 Humboldt Along the coast just S of Cape Mendocino. Comment
  RSA47163  Castilleja affinis Doris K. Kildale 1927-1-17 2985 Humboldt Alton hill. Comment
  JEPS57402  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1968-7-4 1978 Humboldt 2 mi sw Orick (along Highway 101, at n end of Freshwater Lagoon); Freshwater Lagoon Comment
  UC582582  Castilleja affinis subsp. litoralis H. E. Parks and Joseph P. Tracy 1923-5-19 6208 Humboldt vicinity Trinidad 60 Comment
  CAS-BOT-BC249254  Castilleja ambigua subsp. humboldtiensis Doris K. Kildale 1928-5-25 6041 Humboldt Eureka - end of third street near drawbridge 15 Comment
  HSC49512  Castilleja ambigua subsp. humboldtiensis R. York 1979-5-18 299 Humboldt Around Humboldt Bay Comment
  JEPS26533  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 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
  HSC72403  Castilleja applegatei subsp. pinetorum J. P. Smith 1973-5-26 6834 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA167243  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1950-7-2 18974 Humboldt Near top of ridge, 1 mile south of Grizzly Camp. Comment
  UC902257  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1948-9-5 18191 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  CAS-BOT-BC255517  Castilleja applegatei var. pinetorum Barry Silver 1986-4-23 531 Humboldt Bair Road, 9.5 miles nw of junction with Highway 299, Pine Ridge Summit area 944 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
  SEINET12288574  Castilleja douglasii H. P. Chandler 1901-1 1485 Humboldt North Coast Ranges, Klamath River 427 Comment
  JEPS10343  Castilleja exserta subsp. latifolia Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16659 Humboldt Table Bluff, w foot of bluff Table Bluff 6 Comment
  JEPS103937  Castilleja exserta subsp. latifolia T. I. and F. M. Chuang 1991-7-9 7877 Humboldt Samoa Sandune, near Louisiana Pacific Plant. Comment
  HSC55840  Castilleja miniata G. L. Clifton, Griswold 1979-7-25 10790 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC56082  Castilleja miniata G. L. Clifton, Griswold 1979-7-31 11766 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC1196860  Castilleja miniata Joseph P. Tracy 1927-8-22 8337 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC582577  Castilleja miniata Joseph P. Tracy 1932-7-14 10545 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  HSC31218  Castilleja pruinosa D. E. Anderson 1972-6-20 5731 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC99061  Castilleja rubicundula subsp. lithospermoides Cara Witte 2007-6-14 283 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  UC902258  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1943-5-23 17425 Humboldt e of Redwood Creek (on Trinity Highway); Berry's Mt. 487 Comment
  UC1198032  Ceanothus cordulatus Joseph P. Tracy 1935-7-14 14092 Humboldt near Clear Lake (ridge); Northern Coast Ranges 1524 Comment
  UC1071074  Ceanothus cuneatus var. cuneatus A. E. Wieslander 1931-5-19 201 Humboldt near Orleans. Hoopa quad., Klamath Nat. For. Comment
  POM203240  Ceanothus foliosus M. S. Jussel 1931-5-1 s.n. Humboldt Garberville. 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
Read comments Jun 7 2011
  HSC18281  Ceanothus foliosus R. H. Neuns 1950-10-17 141 Humboldt Bear Creek Rd. 6 mi N of Shelter Cove 610 Comment
  CAS-BOT-BC49659  Ceanothus foliosus var. foliosus Joseph P. Tracy 1937-5-30 15314 Humboldt 3 miles south of Bridgeville 457 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
  RSA0050338  Ceanothus incanus Carl B. Wolf 1941-3-3 9992 Humboldt N. Coast Range, 1/2 miles N of Ettersburg on road to Honeydew. 305 Comment
  SEINET12211379  Ceanothus integerrimus var. californicus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -306 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  CAS-BOT-BC63509  Ceanothus oliganthus var. sorediatus Doris K. Kildale 1926-11-13 2852 Humboldt Mouth of Lindsay Creek at Mad River. 30 Comment
  HSC101656  Ceanothus oliganthus var. sorediatus J. P. Smith, J. O. Sawyer 2011-4-23 13116 Humboldt Along Salmon Creek Rd., 3.4 miles from its junction with U.S. 101. 203 Comment
  HSC37605  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 9 .11775 Humboldt Along county rd. 213 Comment
  HSC98122  Ceanothus pumilus Cara Witte 2007-5-24 118 Humboldt Horse Mountain Botanical Area. Along 6N36. Approximately .6 miles southeast from Radio Towers. 1476 Comment
  CAS-BOT-BC52955  Ceanothus thyrsiflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  CAS-BOT-BC52999  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11091 Humboldt 1 1/2 mi. N. Loleta along Redwood Highway 22 Comment
  UC1198011  Ceanothus thyrsiflorus Joseph P. Tracy 1933-6-7 12520 Humboldt Blue Slide Van Duzen River, Blue Slide (on Van Duzen River) 91 Comment
  BLMAR733  Ceanothus velutinus Jennifer Wheeler 2015-4-23 733 Humboldt Lacks Creek, End of Pine Ridge Rd 1136 Comment
  POM89164  Ceanothus velutinus Joseph P. Tracy 1919-9-24 5295 Humboldt Trinity Summit 1829 Comment
  SD51272  Ceanothus velutinus D. F. Howe 1961-8-2 Humboldt 2.7 miles east of Orick on Bald Mt. road 762 Comment
  CAS-BOT-BC277180  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt Horse Prairie, 2 mi. s. of Redcrest Comment
  UC906721  Centaurea benedicta Harold E. Parks and Joseph P. Tracy 1942-7-2 11580 Humboldt Dinsmore's 762 Comment
  UC204750  Centaurea cyanus Joseph P. Tracy 1918-7-1 4963 Humboldt along river from South Fork to Scotia, Holmes Flat Eel River; North Coast Ranges, , Holmes Flat 60 Comment
  SEINET200851  Centaurea solstitialis Joseph P. Tracy 1933-8-27 13002 Humboldt Camp Grant along Eel River 2-5 miles E of the South Fork 46 Comment
  UC1196466  Cephalanthera austiniae Joseph P. Tracy 1911-7-12 3523 Humboldt mt. slopes along rd. near Three Creeks; Northern Coast Ranges 762 Comment
  UC1537306  Cerastium arvense Gordon H. True Jr. 1936-5-11 457 Humboldt 12 mi. w. Miranda (gully on w. slope of Elk Ridge); Elk Ridge 457 Comment
  UC179959  Cerastium arvense Joseph P. Tracy 1914-7-5 4565 Humboldt Bald Mt., High Prairie Northern Coast Ranges, Bald Mt., High Prairie 1066 Comment
  SEINET6904629  Cerastium glomeratum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  HSC74573  Cercis occidentalis M. A. Baker 1980-5-17 1245 Humboldt Near Le Perron Peak 1066 Comment
  HSC18557  Cercocarpus montanus var. glaber R. J. Vernimen 1963-4-27 32 Humboldt 9 mi. S of Willow Creek, Grouse Mtn. area Comment
  HSC56996  Chaenactis douglasii var. douglasii Overton, Butler 1979-7-24 9571 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 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
  HSC44337  Chamaecyparis lawsoniana Brad Klipfel 1975-6-17 674 Humboldt Horse Mtn. Comment
  HSC99051  Chamaecyparis lawsoniana Cara Witte 2008-6-27 772 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1365 Comment
  SBBG60189  Chamerion angustifolium R. Hartwell 1938-8-7 Humboldt near Eureka Comment
  HSC26872  Chamerion angustifolium subsp. circumvagum Clifton Raymond Chesbrough 1973-6-19 97 Humboldt 1/2 mi. N of College Cove along the coast Comment
  HSC99520  Chamerion angustifolium subsp. circumvagum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 183 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCSB4328  Chamerion angustifolium subsp. circumvagum Robbins, G. 1936-8-1 Humboldt Roadside between Carlotta and Strongs Station Comment
  HSC55159  Cheilanthes gracillima Gilbert Muth 1979-8-1 12120 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  JEPS59693  Chenopodium ambrosioides Joseph P. Tracy 1934-8-4 13552 Humboldt Willow Creek Trinity River Valley 152 Comment
  SEINET10479107  Chenopodium atrovirens Mary Susan Taylor 1982-10-24 Taylor 5178 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  HSC98134  Chimaphila menziesii Cara Witte 2007-6-26 358 Humboldt Horse Mountain Botanical Area. 1341 Comment
  UC1197595  Chimaphila umbellata Joseph P. Tracy 1916-6-25 4741 Humboldt ridge between Little River and Redwood Creek; Northern Coast Ranges 304 Comment
  UC1197599  Chimaphila umbellata Joseph P. Tracy 1934-8-29 13634 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  CAS-BOT-BC236918  Chloropyron maritimum subsp. palustre Joseph P. Tracy 1938-7-15 16064 Humboldt At Fields Landing, around Humboldt Bay 3 Comment
  UCR48601  Chrysanthemum leucanthemum R. D. Goeden, Don W. Ricker 1987-9-2 870902- 19 Humboldt Loleta, along Cannibal Road 8 Comment
  UCR51763  Chrysanthemum parthenium H. M. Pollard 1948-8-12 s.n. Humboldt Near mouth of Pearch Creek, near Orleans 366 Comment
  RSA43688  Chrysanthemum parthenium H. M. Pollard 1947-8-28 s.n. Humboldt Roadside near Perch Creek, Orleans region Comment
  RSA20963  Chrysolepis chrysophylla Carl B. Wolf 1937-9-13 9338 Humboldt North Coast Range, summit of Grouse Mt. 1645 Comment
  HSC8064  Chrysolepis sempervirens J. P. Tracy, H. E. Parks 1941-8-28 11541 Humboldt South Fork; Blake Lookout Area 1768 Comment
  CAS-BOT-BC420345  Chrysosplenium glechomifolium Greg de Nevers 2001-4-19 12259 Humboldt Prarie Creek, Redwoods State Park 91 Comment
  UC562732  Cicendia quadrangularis Joseph P. Tracy 1935-5-25 13902 Humboldt Dobbyn Creek 152 Comment
  HSC8634  Cicuta douglasii D. E. Anderson 1961-9-30 1850 Humboldt Blue Lake Comment
  JEPS31552  Circaea alpina subsp. pacifica Lincoln Constance 1934-5-31 742 Humboldt from w. boundary of park to Grasshopper Peak (Squaw Creek rd., Bull Creek flat along Bull Creek, n. side of creek, Bull Creek Region); Bull Creek Region Comment
  RSA20788  Circaea alpina subsp. pacifica Carl B. Wolf 1937-8-13 9253 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  RSA66880  Circaea alpina subsp. pacifica P. A. Munz 1951-7-15 16552 Humboldt 5 miles N of Willow Creek, on Raccoon Creek 305 Comment
  HSC91922  Cirsium arvense E. Mackey 1986-7-21 Humboldt Patricks Point State Park; Palmer's Point Comment
  UC1119170  Cirsium arvense H. L. Person 1932-7-21 Humboldt Blue Lake Eureka Quad. Comment
  UC582529  Cirsium arvense Joseph P. Tracy 1933-8-13 12962 Humboldt Arcata Bottom 15 Comment
  HSC39168  Cirsium brevistylum D. E. Anderson, J. P. Smith 1971-6-28 1235 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  CHSC114324  Cirsium douglasii B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd., 4.8 mi. S of Hwy 299. Comment
  CDA1218  Cirsium douglasii var. douglasii T. C. Fuller 1962-8-6 9352 Humboldt Hwy 299, 3.4 miles east of Berry Summit. Comment
  RSA0070608  Cirsium douglasii var. douglasii Thomas W. Nelson 1976-7-9 2987 Humboldt Along 1S07 just west of summit. 1585 Comment
  HSC104423  Cirsium occidentale Jenny Lynn Hutchinson 2013-6-27 Humboldt Mt. Andy Comment
  CDA1329  Cirsium occidentale var. candidissimum T. R. Haig 1960-6-21 s.n. Humboldt 7 mi. S of Garberville. Comment
  CAS-BOT-BC288718  Cirsium remotifolium Doris K Niles 1948-7-26 4 Humboldt Eel River bottom, A. D. Niles Field Comment
  RSA0070881  Cirsium remotifolium A. K. Kellogg, W. G. W. Harford 1868-1 558 Humboldt [Unspecified] Comment
  UC169297  Cirsium remotifolium var. rivulare Joseph P. Tracy 1912-7-27 3886 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1223053  Cirsium remotifolium var. rivulare Joseph P. Tracy 1947-6-8 17711 Humboldt 5 mi e of town Carlotta (open flat by Strong's District School House) 60 Comment
  UC183702  Clarkia amoena subsp. amoena Joseph P. Tracy 1912-7-26 3857 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  RSA21188  Clarkia amoena subsp. huntiana Carl B. Wolf 1947-8-11 9147 Humboldt North Coast Range, Laribee Valley, 8.5 miles west of Dinsmores 457 Comment
  UC20318  Clarkia amoena subsp. whitneyi H. N. Bolander 1866-1 6534 Humboldt Shelter Cove; ; Shelter Cove, Humboldt Co. 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
  UC594154  Clarkia concinna subsp. concinna S. K. Harris, J. P. Tracy 1936-6-10 3265 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  CHSC52939  Clarkia davyi L. P. Janeway 1984-5-16 792 Humboldt On the North Spit of Humboldt Bay; on the west side of Samoa Rd ca 1/4 mile north of the boat ramp. 3 Comment
  UC162342  Clarkia davyi Joseph P. Tracy 1911-6-25 3256 Humboldt bluffs back of Bucksport (region about Humboldt Bay); Northern Coast Region 0 Comment
  HSC35351  Clarkia gracilis J. D. Ackerman, A. M. Montalvo 1975-6-22 485 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  CAS-BOT-BC164594  Clarkia gracilis subsp. gracilis S. K. Harris; J. P. Tracy 1936-6-10 3261 Humboldt On hills west of the South Fork of the Trinity River near its mouth 640 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
  SEINET12189257  Clarkia purpurea J. P. Tracy 1950-1 18809 Humboldt Fort Seward Ranch Comment
  CAS-BOT-BC172514  Clarkia purpurea subsp. quadrivulnera Paul F. Covel 1937-7-11 888 Humboldt Near Garberville 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
  CAS-BOT-BC172392  Clarkia purpurea subsp. viminea S. K. Harris; J. P. Tracy; C. C. Harris 1942-6-22 1261 Humboldt In a field, 7 miles north and 5 miles east of willow Creek 165 Comment
  SEINET196688  Claytonia cordifolia H. E. Parks, JP Tracy 1949-6-25 11680 Humboldt Trinity Summit at Box Camp 1460 Comment
  CAS-BOT-BC439931  Claytonia perfoliata subsp. mexicana K. L. Chambers 1977-3-28 4240 Humboldt At north end of Humboldt Bay, by the road between Arcata and Samoa. Comment
  UC673001  Claytonia perfoliata subsp. mexicana Joseph P. Tracy 1937-6-27 15380 Humboldt w of mouth of South Fork of Trinity River (Four-Mile Creek); Four-Mile Creek 670 Comment
  HSC32145  Claytonia rubra subsp. rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5610 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC65860  Claytonia saxosa Gail Newton 1980-6-28 735 Humboldt Near Mad River Butte. 1536 Comment
  HSC82185  Claytonia saxosa Thomas W. Nelson 1977-6-15 3442 Humboldt Along old road to ski area 1372 Comment
  JEPS25688  Claytonia saxosa P. C. Hutchison 1961-5-22 2016 Humboldt 4.3 mi s (on U.S. Hwy 299) Berry Summit (Monster Point parking area, Horse Mountain); Horse Mountain, Monster Point Comment
  RSA249337  Claytonia saxosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5623 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  UC162973  Claytonia sibirica Joseph P. Tracy 1911-6-4 3212 Humboldt 5 mi from coast Little River (along Little River); Northern Coast Region 121 Comment
  UC672989  Claytonia sibirica Joseph P. Tracy 1933-7-11 12693 Humboldt Grouse Mountain 1524 Comment
  HSC59143  Claytonia sibirica Terry Roth 1979-5-29 97 Humboldt On the trail from HSU gym to Fern Lake Comment
  RSA168883  Claytonia sibirica Joseph P. Tracy 1951-6-21 19521 Humboldt Everett Beck s house, Hydesville Comment
  CHSC42782  Clintonia andrewsiana R. N. Raynor 1935-5-22 Humboldt Ft. Seward. Comment
  CAS-BOT-BC499338  Clintonia andrewsiana Doris K. Kildale 1928-6-10 5083 Humboldt Strongs Station, Van Duzen River Comment
  UC30060  Clintonia uniflora Mrs. M. H. Manning Humboldt near Hupa (Redwood Trail); Redwood Trail Comment
  JEPS4632  Collinsia grandiflora Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez and S. Carlquist 1951-6-14 3409 Humboldt on long high ridge between Mad River and Redwood Creek (Bald Mountain); High Prairie 1066 Comment
  UC1196765  Collinsia grandiflora Joseph P. Tracy 1922-5-29 6077 Humboldt South Yager Creek Valley; North Coast Ranges; South Yager Creek Valley 762 Comment
  HSC66827  Collinsia greenei M. A. Baker 1980-7-11 2808 Humboldt Near Red Mtn. 1433 Comment
  UC147862  Collinsia greenei Joseph P. Tracy 1908-6 9840 Humboldt nw slope Buck Mtn; Northern Coast Ranges, Buck Mtn 1219 Comment
  UC902215  Collinsia linearis Joseph P. Tracy 1947-7-5 17790 Humboldt ridge w of Mud Springs (Trinity Summit); Trinity Summit 1158 Comment
  CAS-BOT-BC412799  Collinsia linearis David D. Keck 1948-7-2 5999 Humboldt Ridge east of Redwood Creek on road to Willow Creek. On US Route 299 609 Comment
  RSA21322  Collinsia linearis Carl B. Wolf 1937-8-13 9216 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC39060  Collinsia parviflora Thomas W. Nelson, Jane P. Nelson 1976-5-31 2640 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC1196824  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1904-4-3 2007 Humboldt immed. vicinity Eureka 0 Comment
  UC1197856  Collomia grandiflora Joseph P. Tracy 1933-8-30 13051 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC44406  Collomia heterophylla R. York 1978-5-6 158 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  POM270917  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E. 600 Comment
  POM278763  Collomia heterophylla Lyman Benson 1928-7-12 475 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA71937  Collomia heterophylla F. W. Peirson 1926-7-12 7035 Humboldt Redwood Creek bottom landes below bridge, Orick Comment
  UC1197846  Collomia heterophylla Joseph P. Tracy 1906-5-6 2442 1/2 Humboldt near Hydesville; Northern Coast Region, Wolverton Gulch 60 Comment
  UC1197862  Collomia tinctoria Joseph P. Tracy Jul 16 1930-Jul 19 1930 8965 Humboldt openings in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 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
  HSC45406  Collomia tracyi Thomas W. Nelson, Jane P. Nelson 1977-7-4 3609 Humboldt Along road N from Alder Springs 1524 Comment
  SEINET10454738  Conium maculatum Mary Susan Taylor 1977-8-5 Taylor 1433 Humboldt Abundant around bridge over Eel River, at the turnoff from Hwy 1 to Ferndale, in Fernbridge. 2 Comment
  HSC6349  Convolvulus arvensis H. D. Sumner 1959-7-20 Humboldt West End Rd. along the Mad River 3 Comment
  HSC6352  Convolvulus arvensis Lincoln Constance 1934-5-27 692 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  UC1196211  Coptis laciniata Joseph P. Tracy 1915-8-2 4663 Humboldt Northern Coast Ranges, Mouht of Lawrence Creek Lawrence Creek; Northern Coast Ranges, Lawrence Creek 152 Comment
Read comments Jan 22 2014
  HSC104326  Coptis laciniata James Regan, Humboldt Redwood Co., LLC 2009-4-1 31 Humboldt Snow Camp Rd., Bald Mtn. Creek Comment
  UC1196452  Corallorhiza maculata Joseph P. Tracy 1935-7-25 14252 Humboldt Brett Hole Trinity Summit (lower end) 1584 Comment
  UC13532  Corallorhiza mertensiana Chesnut and Drew 1888-7-9 Humboldt Kneeland 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
  HSC1800  Cordylanthus maritimus subsp. palustris William J. Ferlatte, B. D. Rogers 1966-8-15 3125 Humboldt 6 mi. E of Korbel. Cutoff Redwood. Note from collector, 14 Sep. 1971: 'Probably mislabeled as to locality'. Comment
  HSC90780  Cordylanthus maritimus subsp. palustris Peter Sorensen 1976-6-16 Humboldt Woodley Island. Comment
  JEPS6786  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1924-7-20 6735 Humboldt Koby Ranch, on road between Willow Creek (an Three Creeks); Koby Ranch 609 Comment
  CAS-BOT-BC101075  Coreopsis lanceolata Henry M. Pollard 1948-7-27 s.n. Humboldt Barker Ranch on Red Cap Creek, near Orleans Comment
  RSA43687  Coreopsis lanceolata H. M. Pollard 1947-8-28 s.n. Humboldt Roadside near Perch Creek, Orleans region Comment
  RSA46899  Cornus californica Doris K. Kildale 1925-9-27 1370 Humboldt Alton - Van Duzen River. 30 Comment
  CAS-BOT-BC212007  Cornus nuttallii John McLaren 1920-9-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC212019  Cornus nuttallii Carl B. Wolf 1927-8-28 1165 Humboldt In the valley of the Hoopa Indian Reservation. Comment
  HSC6413  Cornus nuttallii J. J. Wagoner 1965-5-1 20 Humboldt 6 mi. W of Willow Creek along Hwy. 299 Comment
  HSC99585  Cornus nuttallii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 250 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  RSA273406  Cornus nuttallii Thomas W. Nelson, Jane Nelson, A. Nelson 1976-6-15 2733 Humboldt Off 2S08 just west of Goat Hill. 1463 Comment
  UC183588  Cornus nuttallii Joseph P. Tracy 1913-6-26 4345 Humboldt opposite Buck Mt. (Dinsmore's Ranch, Van Duzen R. Valley); Northern Coast Ranges, Van Duzen R. Valley, Dinsmore's Ranch 762 Comment
  UC906755  Cornus nuttallii Joseph P. Tracy 1945-11-11 17516 Humboldt along Trinity Hwy. Willow Creek Canyon 762 Comment
  CAS-BOT-BC212130  Cornus sericea H. E. McMinn 1922-8-5 348 Humboldt Along Van Duzen River Comment
  UC183572  Cornus sericea subsp. sericea Joseph P. Tracy 1912-10-20 4010 Humboldt Alton Northern Coast Region, Alton 30 Comment
  CAS-BOT-BC210537  Cornus sessilis L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road Comment
  CAS-BOT-BC210538  Cornus sessilis Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC502984  Cornus sessilis Joseph P. Tracy 1927-3-27 7857 Humboldt near S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  HSC12552  Coronopus didymus D. La Conte 1970-10-11 18 Humboldt Comment
  UC1103505  Corylus californica Joseph P. Tracy 1909-8-29 3080 Humboldt Humboldt Hill, N side Northern Coast Region, region about Humboldt Bay 0 Comment
  UC1197936  Corylus californica Joseph P. Tracy 1949-7-19 18375 Humboldt at Friday Camp 1219 Comment
  CAS-BOT-BC180313  Corylus cornuta subsp. californica L. B. Kildale 1926-9-5 2638 Humboldt Lasseck's Peaks - on trail between Canal Goat Camp and Red Peak 1676 Comment
  HSC99445  Corylus cornuta var. californica K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 95 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  POM270388  Corylus cornuta var. californica Lyman Benson 1927-7-12 621 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  CAS-BOT-BC143486  Cotoneaster franchetii Peter F. Zika 2007-7-18 23172 Humboldt Near corner of C Street and 14th Street, Eureka (NCo, North Coast) 10 Comment
  SEINET3817861  Cotula coronopifolia E. G. Kynoch Jr. 1966-10-7 405 Humboldt Clam Beach near Little River State Park 2 Comment
  HSC5432  Cotula coronopifolia D. E. Anderson 1961-9-2 1766 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  SEINET13729303  Crassula connata var. connata Unknown 1925-5-17 6981 Humboldt Plants of Northern Coast Ranges of California HUMBOLDT COUNTY Oopen bare ground. TRINITY RIVER VALLEY, NEAR THE SOUTH FORK Altitude 600 feet. Comment
  CAS-BOT-BC291480  Crepis capillaris Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC1051583  Crepis capillaris Joseph P. Tracy 1949-9-26 18229 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC291491  Crepis capillaris Alice Eastwood; John Thomas Howell 1937-6-23 4836 Humboldt 7 miles from Yager on road to Kneeland Comment
  POM92411  Crepis capillaris L. R. Abrams 1922-6-25 8234 Humboldt 2 miles south of Fortuna Comment
  HSC74758  Crepis occidentalis subsp. occidentalis Gail Newton 1981-7-23 2274 Humboldt Near Bug Creek Butte 1494 Comment
  SEINET12145336  Croton setiger E. A. York 1990-1-10 2702 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC57947  Cryptantha affinis G. L. Clifton, Griswold 1979-7-31 11623 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC58175  Cryptantha affinis G. L. Clifton, Griswold 1979-8-2 12257 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC594155  Cryptantha flaccida S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3424 Humboldt nw slopes Buck Mountain 822 Comment
  JEPS18415  Cryptantha milobakeri Joseph P. Tracy 1932-6-14 10141 Humboldt w of mouth of South Fork of Trinity River; North Coast Ranges 609 Comment
  HSC102630  Cryptantha torreyana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1615 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC3589  Cryptantha torreyana H. E. Parks, J. P. Tracy 1934-6-27 11058 Humboldt Grouse Mtn. 1433 Comment
  HSC58237  Cryptantha torreyana Walter Overton 1979-8-1 12396 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  RSA135453  Cryptantha torreyana Volney Rattan 1882-06 s.n. Humboldt North of Mad River. Comment
  UC54781  Cupressus lawsoniana Joseph Burtt Davy and Walter C. Blasdale 1899-5 5633 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  SEINET905773  Cuscuta campestris Harry B. Tucker 1946-1 s.n. Humboldt Bayside, field, local in small area 6 Comment
  HSC59455  Cuscuta pacifica var. pacifica M. A. Ericksen 1979-5-18 302 Humboldt At edge of Humboldt Bay mud flats, 75 yards N of Arcata Redwood Company main gate, Hwy. 101 between Arcata and Eureka Comment
  HSC36310  Cuscuta salina Karen Burgessen 1973-5-30 Humboldt Near Humboldt Bay at oxidation ponds Comment
  BLMAR215  Cynoglossum grande Jennifer Anthony-Wheeler 1996-7-9 215 Humboldt Pilot ridge., growing in shaged area in woodland, primarily beneath Oregon Oak 1280 Comment
  HSC73936  Cynoglossum grande Gail Newton 1980-6-28 675 Humboldt Near Mad River Butte. 1536 Comment
  HSC74112  Cynoglossum grande R. York 1980-5-23 634 Humboldt Near Buck Mtn. 1524 Comment
  CDA1946  Cynosurus cristatus E. C. Whitney 1959-9-16 Humboldt J. Zanone, Petrolia. 0 Comment
  HSC90700  Cynosurus cristatus Gail Newton 1982-6-10 3603 Humboldt Elk River Wildlife Area, Eureka Comment
  UCD60123  Cynosurus cristatus L. T. Burcham 1956-7-19 341 Humboldt 1.5 miles northwest of Petrolia. 152 Comment
  BLMAR144  Cynosurus echinatus Donald Hazlett 1994-6-7 144 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC37238  Cynosurus echinatus Lon Hall 1975-6-19 406 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC53799  Cynosurus echinatus Griswold, Butler 1979-7-10 6219 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC7216  Cyperus eragrostis J. P. Tracy 1935-7-17 14099 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC1103634  Cyperus strigosus Joseph P. Tracy 1920-8-15 5377 Humboldt Klamath R. at mouth of Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  CAS-BOT-BC70552  Cystopteris fragilis Arnold Tiehm 2000-8-30 13381 Humboldt Santa Rosa Range, Buckskin Mountain Comment
  UCD136399  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt Bull Creek Region, South Fork Eel River. Comment
  HSC40373  Cytisus scoparius Linda M. Barker 1976-3-11 1322 Humboldt 3 mi. W of Arcata Comment
  CDA4072  Cytisus scoparius T. C. Fuller 1961-3-22 5940 Humboldt North slope, Humboldt Hill, Eureka. 0 Comment
  HSC98780  Cytisus scoparius var. scoparius Cara Witte 2008-6-27 768 Humboldt Approximately 1/2 mile north of White Oak Opening on National Forest 1. 1242 Comment
  HSC22835  Dactylis glomerata B. D. Rogers 1964-4-28 28464 Humboldt Humboldt State campus near Redwood Hall parking lot Comment
  CAS-BOT-BC189737  Danthonia californica Joseph P. Tracy 1932-7-10 10392 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 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
  UC552787  Danthonia californica Joseph P. Tracy 1935-6-23 13965 Humboldt French Camp Ridge 1066 Comment
  UCD61365  Danthonia unispicata Joseph P. Tracy 1951-6-26 19593 Humboldt North side of Board Camp Mountain at extreme head of Redwood Creek. Comment
  SBBG44189  Darmera peltata K. K. Muller 1954-6-21 630 Humboldt Mad River Camp 2, Mad River, below Ruth Post Office Comment
  UC1198471  Datisca glomerata Joseph P. Tracy 1912-8-3 3972 Humboldt in Valley of Van Duzen River (opposite Buck Mountain, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC21481  Daucus pusillus D. E. Anderson 1962-7-10 2247 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 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
  SEINET3823243 Image available Daucus pusillus J. P. Tracy 1909-7-18 3021 Humboldt Sand Hills of Ocean Beach at Samoa, opp. Eureka Comment
  UC32464  Daucus pusillus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  CAS-BOT-BC292093  Delairea odorata Stuart K. Harris 1960-12-5 22066 Humboldt Mouth of Howe Creek Comment
  HSC34963  Delphinium decorum subsp. tracyi Thomas W. Nelson 1975-5-24 1861 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC98756  Delphinium decorum subsp. tracyi Cara Witte 2008-7-2 816 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  RSA79370  Delphinium decorum subsp. tracyi E. K. Balls, Lee W. Lenz 1952-5-12 17196 Humboldt 11.2 miles E along Hwy 36 from Bridgeville to Cobbs Comment
  RSA304854  Delphinium gracilentum James R. Shevock 1971-5-29 643 Humboldt Trinity Hwy. 457 Comment
  SEINET12099543  Delphinium hesperium H. P. Chandler 1901-1 1410 Humboldt Klamath River 1000 Comment
  UC1222578  Delphinium nudicaule Joseph P. Tracy 1950-6-15 18815 Humboldt ne side of ridge Mail Ridge, Huestis Rock (7 mi ne of Harris) Comment
  RSA168928  Delphinium nudicaule Joseph P. Tracy 1950-6-15 18815 Humboldt Mail Ridge, north of Harris 7 miles Comment
  HSC70229  Delphinium nuttallianum M. A. Baker 1980-6-8 1897 Humboldt Near Buck Flat. 1554 Comment
  HSC99024  Delphinium trolliifolium Cara Witte 2008-7-16 909 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  CAS-BOT-BC121966  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  JEPS102996  Delphinium trolliifolium R. Raiche, K. Zadnik, and H. Forbes 1991-6-13 136 Humboldt 39 mi E of Rio Dell (on Hwy 36) 896 Comment
  UC1196335  Delphinium trolliifolium Joseph P. Tracy 1946-6-15 17562 Humboldt foothills of Horse Mountain 1066 Comment
  RSA18060  Deschampsia beringensis C. B. Wolf 1927-8-22 794 Humboldt Big Lagoon Comment
  CAS-BOT-BC194339  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
  POM207194  Deschampsia elongata Joseph P. Tracy 1901-4-26 1043 Humboldt Immediate vicinity of Eureka 0 Comment
  UCD63577  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3621 Humboldt 4 miles north of Bridgeville. Comment
  UCR52469  Deschampsia elongata J. O. Sawyer, R. J. Cole 1977-7-3 3019 Humboldt Environs of Mud Sprng. Big Hill Road (F.S. 8N01) 1246 Comment
  CAS-BOT-BC201782  Deschampsia elongata Henry M. Pollard 1947-8-22 s.n. Humboldt Fontana's Fishing Lodge, nr. Orleans Comment
  UC503031  Dicentra formosa Joseph P. Tracy 1930-8-17 9164 Humboldt Big Lagoon; Northern Coast Region 15 Comment
  UC855123  Dicentra formosa Elizabeth Parsons Hawver Jun 1915 Humboldt Carlotta Comment
  HSC34639  Dicentra formosa David M. Brazelton 1975-4-10 6 Humboldt 150 yards SW of junction of Fieldbrook Rd. and Evans Rd. Comment
  SEINET12103157  Dicentra formosa Unknown 1936-1 13351 Humboldt Comment
  UC1196307  Dicentra formosa Joseph P. Tracy 1920-4-18 5315 Humboldt near Glendale (Mad River, around Humboldt Bay); Northern Coast Region, Humboldt Bay, Mad River 30 Comment
  RSA433572  Dicentra formosa subsp. formosa Christopher Davidson 1973-5-29 2200 Humboldt Ca. 2 mi S of Carlotta on St. Hwy 36 61 Comment
  HSC98538  Dicentra pauciflora Cara Witte 2008-6-9 703 Humboldt Off National Forest 1, near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of the road. 1506 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
  UC1198170  Dichelostemma capitatum Joseph P. Tracy 1933-6-18 12607 Humboldt e of Redwood Creek (on Trinity Highway); Berry's Mt. 762 Comment
  UC15032  Dichelostemma capitatum J. Burtt Davy 1899-6-11 5430 Humboldt Hubbard's Station to Elk Prairie Comment
  HSC97967  Dichelostemma congestum Cara Witte 2007-7-2 392 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1406 Comment
  HSC38482  Dichelostemma ida-maia D. E. Anderson, J. P. Smith 1971-6-18 - 1062 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  UC1198180  Dichelostemma ida-maia Joseph P. Tracy 1948-9-5 18187 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 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
  HSC3032  Dichelostemma ida-maia Francis Winter 1960-5-7 Humboldt 1.0 mi. S of Tish-Tang Boy Scout Camp entrance 244 Comment
  RSA21187  Dichelostemma ida-maia Carl B. Wolf 1937-8-11 9146 Humboldt North Coast Range, 3 mi W of little Van Duzen River at summit of grade - Dinsmore to Bridgeville. 762 Comment
  HSC103003  Digitalis purpurea J. P. Smith 2014-5-26 13842 Humboldt Along the Hammond Trail north of Murray Road in McKinleyville 30 Comment
  UCD63953  Digitaria ischaemum Joseph P. Tracy 1950-9-22 19371 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. 121 Comment
  CAS-BOT-BC150345  Diplacus aurantiacus C. C. Harris; S. K. Harris 1936-6-9 s.n. Humboldt Above Carlotta 60 Comment
  CHSC94932  Diplacus aurantiacus K. Lang; J. Lang 2005-3-16 49 Humboldt Trinidad, N. California coast. 51 Comment
  CAS-BOT-BC153235  Diplacus kelloggii Duart V. Brown 1947-4-2 33 Humboldt Near Sweed Creek, Trinity River Comment
  UC602572  Dipsacus sativus Joseph P. Tracy 1937-8-3 15610 Humboldt along Mad River near Blue Lake; Mad River 15 Comment
  POM277211  Disporum hookeri var. hookeri Lyman Benson 1929-7-16 1840 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA520552  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 83 Humboldt Between Weitchpec and Orleans on Bluff Creek Road, 4.6 miles (7.4) west of highway 96. Comment
  CAS-BOT-BC208657  Distichlis spicata L. R. Abrams 1922-6-25 8250 Humboldt Humboldt Bay east of Arcata Comment
  HSC9636  Distichlis spicata Paul Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  JEPS14670  Dodecatheon alpinum Joseph P. Tracy 1932-7-14 10565 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  SEINET201055 Image available Dodecatheon alpinum Joseph P. Tracy 1932-7-14 10565 Humboldt Trinity Summit, Corral Prarie. 1585 Comment
  UC562751  Dodecatheon alpinum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8930 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (South Fork Mountain) 1676 Comment
  HSC70230  Dodecatheon hendersonii M. A. Baker 1980-6-8 1892 Humboldt Near Buck Flat. 1554 Comment
  HSC85760  Dodecatheon hendersonii R. Earing, C. Cavanaugh, C. Collins 1987-3-6 3 Humboldt Gray's Falls Campground, approx. 10 mi. E of Willow Creek on Hwy. 299, along the Trinity River. 244 Comment
  JEPS14441  Downingia elegans W. L. Jepson 1927-7-3 12363 Humboldt Miranda South Fork of Eel River 228 Comment
  UC1199493  Downingia willamettensis Joseph P. Tracy 1912-7-21 3781 Humboldt Alton Northern Coast Region 30 Comment
  UC168983  Downingia willamettensis Joseph P. Tracy 1911-6-30 3271 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1245397  Draperia systyla Joseph P. Tracy 1935-7-31 866 Humboldt Devil's Back Bone near Gora's Gap 1432 Comment
  HSC12219  Drosera rotundifolia Gary J. Stebbins 1970-5-10 77 Humboldt S end of Big Lagoon, just S of the Rd. that crosses the marsh, 1.1 mi. N of the Big Lagoon store. Comment
  CAS-BOT-BC159613  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1929-5-26 9136 Humboldt Klamath River at Orleans 152 Comment
  HSC40018  Drymocallis glandulosa var. glandulosa Thomas W. Nelson, Jane P. Nelson 1976-7-1 2922 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC1198693  Drymocallis glandulosa var. glandulosa H. E. Parks and Joseph P. Tracy 1931-5-17 10085 Humboldt Trinity River at Willow Creek; Northern Coast Ranges, Trinity River at Willow Creek 152 Comment
  UC1198682  Drymocallis lactea var. austiniae Joseph P. Tracy 1913-6-17 4192 Humboldt near summit (Buck Mountain); Northern Coast Ranges, Buck Mountain 1524 Comment
  HSC58089  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-1 11998 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  CAS-BOT-BC70874  Dryopteris arguta Ira L. Wiggins 1932-6-18 5872 Humboldt mouth of Little River Comment
  CAS-BOT-BC71057  Dryopteris expansa Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  CAS-BOT-BC428298  Dudleya farinosa W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  SEINET5227018 Image available Dysphania botrys Unknown 2002-8-17 81 Humboldt On gravel bar in Eel River, 10 miles S of Garberville onHwy 101, at Benbow Drive. Comment
  HSC101546  Ehrharta erecta J. P. Smith 2009-12-14 12703 Humboldt Along sidewalk at 980 Sixth St. in Arcata; weed Comment
  SEINET3910832  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt Eureka Quad. Along east side of State Route 101 just north of the Eureka Airport.; 0 Comment
  UC666880  Eleocharis pachycarpa H. E. Parks and Joseph P. Tracy 1931-6-7 9569 Humboldt Trinidad 60 Comment
  POM313063  Eleocharis pachycarpa Malcolm A. Nobs, S. Galen Smith 1949-8-11 1346 Humboldt Marshes on eastern side of Big Lagoon Comment
  CAS-BOT-BC227347  Elymus elymoides Joseph P. Tracy 1930-7-16 8955 Humboldt South Fork Mountain; along summit near Blake Lookout 1706 Comment
  CAS-BOT-BC227348  Elymus elymoides Doris K. Kildale 1925-8-17 1260 Humboldt Trinity Summit 1917 Comment
  HSC74697  Elymus glaucus Gail Newton 1981-8-7 2465 Humboldt Near Board Camp Mtn. 1478 Comment
  HSC9713  Elymus glaucus D. E. Anderson 1965-5-15 3718 Humboldt Along Hwy. 96, 1.9 miles N of Willow Creek. Comment
  UC184693  Elymus glaucus Joseph P. Tracy 1912-7-26 3829 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  SEINET11682991  Elymus glaucus K. S. Erdman 1970-1 4785 Humboldt Doleson Hill Prairie, Bald Hills Road SE of Orick Comment
  CAS-BOT-BC203475  Elymus glaucus subsp. glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie, on Bald Mountain 1066 Comment
  UC682043  Elymus glaucus subsp. virescens G. L. Stebbins Jr. and G. L. Church 1941-5-26 3106 Humboldt just n Little River (s of Trinidad, bluff facing sea) Comment
  HSC10936  Elymus mollis subsp. mollis J. W. Johnson 1962-4-29 1297 Humboldt W.M Lanphere Farm, Samoa Peninsula, Arcata. Comment
  HSC58419  Elymus multisetus Griswold, Butler 1979-7-12 7265 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC98925  Elymus multisetus Cara Witte 2008-7-30 969 Humboldt Forest Service Road 4N32. 1/2 mile north of intersection with Forest Service Road 4N32B. 1417 Comment
  UC1196733  Elymus multisetus Joseph P. Tracy 1919-5-31 5160 Humboldt Willow Creek Northern Coast Ranges (gravel bar, near its mouth (creek is a tributary of Trinity River)) 152 Comment
  SEINET200978  Elymus virescens Joseph P. Tracy 1938-6-17 15959 Humboldt Cape Mendocino. South of point of Cape. 3 Comment
  SEINET200931  Elytrigia repens J. P. Tracy 1936-8-25 15160 Humboldt Eureka 30 Comment
  UC198621  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4855 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  UC668305  Epilobium campestre Joseph P. Tracy 1938-7-5 16009 Humboldt 5 mi e Carlotta; Strong's District School House 45 Comment
  HSC48852  Epilobium ciliatum subsp. ciliatum Brad Klipfel 1973-7-15 211 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS31529  Epilobium ciliatum subsp. ciliatum Lincoln Constance 1934-5-31 765 Humboldt Bull Cr. flat South Fork Eel River, Bull Creek region, Bull Creek (along n side of creek from w boundary of Park to Grasshopper Pk. (Squaw Cr. rd.)) Comment
  HSC23493  Epilobium ciliatum subsp. watsonii R. A. Vanbianchi 1971-9-10 84 Humboldt Along Fieldbrook Rd. .7 mi. from Jct. with old Hwy. 299 Comment
  HSC16349  Epilobium ciliatum subsp. watsonii W. F. Nickel 1965-5-8 Humboldt On HSU campus behind the Biological Science Building Comment
  JEPS31516  Epilobium densiflorum Joseph P. Tracy 1934-7-9 13352 Humboldt bed of dry pond Dobbyn Creek 152 Comment
  JEPS38204  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Jones Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  HSC32548  Epilobium hallianum Thomas W. Nelson 1973-7-10 1031 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  HSC103079  Epilobium minutum Sydney Carothers 2014-6-12 12 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  HSC41818  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3514 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  HSC70924  Epilobium minutum R. York 1980-5-18 574 Humboldt Near Black Mtn 792 Comment
  UC1198481  Epilobium minutum Joseph P. Tracy 1931-5-3 9353 Humboldt near Blue Lake; Northern Coast Region, Mad River 15 Comment
  JEPS109976  Epilobium oreganum Dean W. Taylor 2006-8-31 19633 Humboldt UNDERWOOD MOUNTAIN: meadowy opening in forest above the ''Hog Ranch'' site on the USGS map 883 Comment
  CAS-BOT-BC171846  Epilobium septentrionale Carl B. Wolf 1927-8-30 1235 Humboldt 2 mi. so. of Petrolia on Matole River near where road crosses river. Comment
  UC1198495  Epilobium torreyi Joseph P. Tracy 8744 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  POM290911  Epipactis gigantea Lyman Benson 1928-7-11 493 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  SEINET10296819  Epipactis gigantea Unknown 1949-7-7 18335 Humboldt CALIFORNIA PLANTS -- HUMBOLDT COUNTY BLUE SLIDE, on VAN DUZEN RIVER Comment
  UC1225850  Epipactis gigantea Joseph P. Tracy 1948-8-22 18107 Humboldt Blue Slide Van Duzen River 91 Comment
  CAS-BOT-BC58018  Equisetum Doris K. Kildale 1929-3-16 6939 Humboldt Bug Creek - Chaparral Mt. Comment
  HSC97437  Equisetum arvense Ivy Watson 2008-10-5 38 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  SEINET200606 Image available Equisetum hyemale J. P. Tracy 1926-9-6 7795 Humboldt Trinity River Valley near the S Fork 183 Comment
  CAS-BOT-BC57160  Equisetum hyemale subsp. affine Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  HSC46006  Equisetum hyemale subsp. affine J. P. Smith 1971-10-9 4996 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC97438  Equisetum hyemale subsp. affine Ivy Watson 2008-10-11 59 Humboldt Near Mad River mouth, S bank, about 500 ft. from river 9 Comment
  UC1239788  Equisetum hyemale subsp. affine Joseph P. Tracy 1936-6-3 14844 Humboldt at Willow Creek Trinity River Valley 152 Comment
  UC526937  Equisetum telmateia subsp. braunii Joseph P. Tracy 1934-3-17 13163 Humboldt Trinidad 3 Comment
  HSC36259  Equisetum telmateia subsp. braunii John Rehling 1974-8-19 19 Humboldt Along Cranell Rd. next to pasture, Trinidad Comment
  CAS-BOT-BC213558  Eragrostis hypnoides Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  UC249801  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1923-9-10 6545 Humboldt Trinity River Valley near South Fork; Northern Coast Ranges, Trinity River Valley, nr South Fork 182 Comment
  UCD63880  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1950-9-22 19372 Humboldt Klamath River, near Slate Creek. Below Orleans 8 miles. 121 Comment
  CHSC68552  Erechtites glomeratus Vernon H. Oswald 1997-4-29 8350 Humboldt Humboldt Bay NWR, levee north of Long Pond along the arm of South Humboldt Bay separating Teal Island from the main part of the refuge. Comment
  UCD117422  Erica lusitanica T. C. Fuller 1961-3-22 5938 Humboldt N. slope Humboldt Hill, Eureka. Comment
  CAS-BOT-BC131506  Ericameria arborescens H. E. McMinn 1922-8-3 476 Humboldt Mt. slope above S.F., Eel River Comment
  HSC57894  Ericameria greenei Butler, Overton 1979-7-31 11469 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  POM174061  Erigeron biolettii Joseph P. Tracy 1918-7-6 5052 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  UC169349  Erigeron biolettii J. P. Tracy 1912-7-23 3797 Humboldt 3-5 miles above South Fork Eel River mouth (slopes of bluffs along); South Fork Eel River 30 Comment
  CAS-BOT-BC296108  Erigeron foliosus var. confinis J. W. Tilden 1946-6-21 s.n. Humboldt Bluff Creek Comment
  SEINET11859406  Erigeron foliosus var. confinis J. P. Tracy 1947-7-5 17785 Humboldt Trinity Summit, ridge top 1 mi W of Mud Springs Comment
  JEPS41520  Erigeron foliosus var. mendocinus Lincoln Constance 1934-5-29 720 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region, Upper Look Prairie 365 Comment
  CAS-BOT-BC300676  Erigeron foliosus var. mendocinus Joseph P. Tracy 1930-7-4 8829 Humboldt Bull Creek to Mattole Road, near the summit of ridge 762 Comment
  CAS-BOT-BC295171  Erigeron inornatus Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC58174  Erigeron klamathensis G. L. Clifton, Griswold 1979-8-2 12255 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC95767  Erigeron maniopotamicus Thomas W. Nelson, Sydney Carothers 2004-6-18 9249 Humboldt Along Swayback Ridge Rd., which branches off Forest Service Rd. 1N08, 1/4 mi. past gate 1357 Comment
  CAS-BOT-BC214582  Erigeron philadelphicus Doris K. Kildale 1926-3-22 1600 Humboldt Fleener Creek Comment
  CAS-BOT-BC214587  Erigeron philadelphicus L. R. Abrams 1922-6-25 8241 Humboldt 2 mi south of Fortuna Comment
  UCD131462  Erigeron philadelphicus var. philadelphicus K. Esau 1935-5-22 s.n. Humboldt Fort Seward. Comment
  UC164846  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1911-7-12 3529 Humboldt Blue Lake Northern Coast Ranges, Blue Lake 60 Comment
  UCD132041  Erigeron philadelphicus var. philadelphicus P. B. Kennedy 1929-6-12 s.n. Humboldt Eureka. Comment
  UC249848  Erigeron strigosus var. strigosus Joseph P. Tracy 1923-6-27 6384 Humboldt Trinity River Valley, near Willow Creek Comment
  POM208988  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Grasshopper Pk.; Bull Creek watershed, Humboldt Redwood Park. 976 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
  HSC55092  Eriogonum compositum G. L. Clifton, Griswold 1979-7-31 11779 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  POM165551  Eriogonum latifolium Joseph P. Tracy 1918-7-1 4974 Humboldt Cape Mendocino. Southwestern slopes, fronting the ocean, three miles south of point of the cape 3 Comment
  HSC74306  Eriogonum nudum M. A. Baker 1980-7-24 3204 Humboldt Near Orleans Mtn. 1625 Comment
  OBI36370  Eriogonum nudum David J. Keil 1983-7-1 17272 Humboldt Ca 13 mi W of jctn US 101 along Bull Crk Flats Rd Comment
  UC1198142  Eriogonum nudum var. nudum Joseph P. Tracy 1933-7-25 12896 Humboldt Grouse Mountain 1524 Comment
  SD22522  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-12 Humboldt Ukiah to Garberville Comment
  CDA22632  Eriogonum nudum var. oblongifolium T. R. Haig 1960-6-19 Humboldt Kneeland School. 0 Comment
  JEPS85496  Eriogonum nudum var. oblongifolium L. R. Heckard with T. I. Chuang 1968-7-4 1981 Humboldt 9 mi s on Yager road Kneeland Comment
  CAS-BOT-BC269865  Eriogonum nudum var. pubiflorum J. H. Thomas 1949-6-13 926 Humboldt Klamath River Valley between Weitchpec and Hoopa Comment
  SEINET11938140  Eriogonum nudum var. pubiflorum J. P. Tracy 1950-1 19320 Humboldt along Klamath River at "Big Bar", just above Slat Creek 122 Comment
  HSC95795  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along FS Rd. 1 at S end of Whiting Ridge, 0.5 mi. WNW of High Salt Ground, 9.3 mi. W of Hyampom 1296 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
  HSC55169  Eriogonum umbellatum var. stellatum Gilbert Muth 1979-8-1 12163 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC40976  Eriophorum crinigerum J. O. Sawyer 1970-6-24 2216 Humboldt Big Hill Rd., E of Hoopa 1189 Comment
  HSC100431  Eriophyllum caespitosum Carl C. Marshall Sep 1887 439 Humboldt S side of Table Bluff. Comment
  UC2016489  Eriophyllum confertiflorum Richard Olmstead 1986-6-20 905 Humboldt North of Orleans 3 miles, at Whitmore Creek on Highway 96. Comment
  HSC38623  Eriophyllum lanatum D. E. Anderson, J. P. Smith 1971-6-21 - 1110 Humboldt 5.2 mi. E of the bridge over Eel River at Alderpoint, near Humboldt-Trinity county line Comment
  HSC57358  Eriophyllum lanatum var. achilleoides Overton, Butler 1979-7-26 10054 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC165189  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1908-6-7 2609 Humboldt bluffs on river at mouth of Maple Creek; Northern Coast Ranges, Mad River 152 Comment
  UC507068  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-21 E 34 Humboldt 1 mi n Garberville; South Fork of Eel River Comment
  UC204867  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1918-7-21 5082 Humboldt Humboldt Hill Northern Coast Ranges of California, Humboldt Hill 152 Comment
  UC581688  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1927-7-4 8231 Humboldt Iaqua 609 Comment
  HSC31217  Eriophyllum lanatum var. grandiflorum D. E. Anderson 1972-6-20 5738 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC74470  Eriophyllum lanatum var. grandiflorum Gail Newton 1980-7-23 1724 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC98956  Eriophyllum lanatum var. integrifolium Cara Witte 2008-7-28 948 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  UC1198966  Erodium brachycarpum Joseph P. Tracy 1926-3-14 7387 Humboldt Yager Creek Northern Coast Ranges, Carlotta 60 Comment
  HSC78966  Erodium moschatum L. P. Janeway 1984-5-16 791 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. N of the boat ramp 3 Comment
  UC1222612  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1951-6-21 19528 Humboldt in bed of former Goose Lake (back of Everett Beck house on ranch, Hydesville); Hydesville, , Everett Beck ranch house Comment
  HSC76222  Erysimum capitatum var. capitatum Walter Overton, Marvin Butler 1979-7-24 9764 Humboldt Near Black Rock, close to the town of Willow Creek 1554 Comment
  HSC47486  Erysimum menziesii Sheila Logan 1978-4-7 4 Humboldt Samoa sand dunes, 1/4 mi. N of Coast Guard Station. Comment
  HSC6772  Erysimum menziesii Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  HSC57645  Erysimum perenne G. L. Clifton, Terry Griswold 1979-7-25 10812 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CHSC19730  Erythranthe dentata Gary J. Stebbins 1970-5-17 81 Humboldt Along Jolly Giant Creek up from H. S. C. dorms 1.9 miles from the parking lot. 70 Comment
  CAS-BOT-BC383041  Erythranthe grandis David B. Lowry 2005-5-16 GBM Humboldt Along Gold Bluffs Road between Ranger Kiosk and Fern Canyon 11 Comment
  HSC38519  Erythronium californicum D. E. Anderson, J. P. Smith 1971-6-18 - 1081 Humboldt Horse Mtn. Comment
  HSC96235  Erythronium californicum April A. Allard, Gregory D. O'Connell 2005-6-10 7 Humboldt 4.5 mi. S of Hwy. 299 on NF1 at junction below radio tower 1421 Comment
  HSC97573  Erythronium grandiflorum C. Witte 2007-5-18 38 Humboldt Grouse Mountain Lookout. 1644 Comment
  CAS-BOT-BC502714  Erythronium grandiflorum Joseph P. Tracy 1933-7-16 12774 Humboldt Opening in Fir forest near McKay Camp, South Fork Mtn. 1676 Comment
  HSC40548  Erythronium grandiflorum subsp. grandiflorum Thomas W. Nelson, Jane P. Nelson 1976-5-23 Humboldt Beside Rd. 1S07 at pass between Black Lassic and E peak of Signal Peak group 1707 Comment
  UC162692  Erythronium revolutum Joseph P. Tracy 1911-5-7 3183 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC16769  Eschscholzia californica T. W. Beck 1963-4-27 38 Humboldt Humboldt Meridian, Camp Bauer, Korbel Comment
  HSC12348  Eschscholzia californica Steve Dorei 1970-10-20 111 Humboldt Along Plaza Ave., 200 ft. SW of Laurel Dr. Comment
  HSC58800  Eucephalus ledophyllus G. L. Clifton, Griswold 1979-7-31 11593 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  JEPS20486  Euchiton gymnocephalus Joseph P. Tracy 1936-5-29 14829 Humboldt 2 mi ne Orick (on Bold Hilla Road); Bold Hills Road 152 Comment
  UC1223115  Euchiton gymnocephalus Joseph P. Tracy 1946-5-30 17548 Humboldt near old Strong's District School House (burned down); Riverside Park Comment
  UC562616  Euchiton gymnocephalus Joseph P. Tracy 1936-8-23 15164 Humboldt Carlotta 30 Comment
  UC1196541  Euchiton involucratus Joseph P. Tracy 1948-9-26 18232 Humboldt 6 mi se Arcata (at s end of Fickle Hill); Fickle Hill 609 Comment
  JEPS20476  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC562473  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  CAS-BOT-BC206915  Euonymus occidentalis Milo S. Baker 1923-7-25 113 Humboldt Salmon Cr. near Carlotta Comment
  CAS-BOT-BC206923  Euonymus occidentalis Joseph P. Tracy 1935-5-24 13823 Humboldt Eureka, 3 miles SE of business district 91 Comment
  POM47094  Euonymus occidentalis J. B. Feudge 1923-7-25 86 Humboldt Fortuna 23 Comment
  UC1198970  Euphorbia crenulata Joseph P. Tracy 1912-8-1 3960 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1198980  Euphorbia spathulata Joseph P. Tracy 1927-5-8 7977 Humboldt Phillipsville Northern Coast Ranges, South Fork of Eel River (slopes and groves facing South Fork of Eel River) 121 Comment
  CAS-BOT-BC312211  Eurybia radulina Doris K. Kildale 1925-8-21 1312 Humboldt Head of South Yager Creek 914 Comment
  UC249850  Eurybia radulina Joseph P. Tracy 1924-8-10 6813 Humboldt at Blue Slide, on Van Duzen River Van Duzen River 91 Comment
  UC581784  Eurybia radulina Joseph P. Tracy 1929-10-6 8677 Humboldt Kneeland Prairie, on Butler Valley Road Kneeland Prairie 609 Comment
  UC774610  Eurybia radulina Carl B. Wolf 1937-9-8 9301 Humboldt 11 mi w of, Bull Creek -Petrolia Road Redwood Highway; North Coast Range 304 Comment
  UC180429  Festuca californica Joseph P. Tracy 1913-6-21 4250 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC70921  Festuca californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC278304  Festuca californica subsp. californica L. R. Abrams 1918-6-15 7126 Humboldt Brannan Mt near Willow Creek 1371 Comment
  UCD65870  Festuca californica subsp. californica P. B. Kennedy 1923-8-2 Humboldt Near grade Bluff Creek to Arcata. Comment
  CAS-BOT-BC278421  Festuca idahoensis Joseph P. Tracy 1930-7-10 8867 Humboldt Northern Coast Ranges. Brannan Mountain 1219 Comment
  HSC9871  Festuca idahoensis R. D. Rogers 1964-5-15 17 Humboldt Rousseau Ranch Comment
  HSC72634  Festuca occidentalis J. P. Smith 1977-7-3 9249 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  HSC90075  Festuca occidentalis Sam Stroich Jr., Rolf Miller, Brian Pereira 1990-4-28 50 Humboldt Hwy. 299, 4 mi. W of Burnt Ranch, Grey Falls campground 396 Comment
  UCR137175  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville 197 Comment
  UCSC000035  Festuca occidentalis H. S. Yates 1936-6-17 5700 Humboldt lower northwest slope of Buck Mountain 792 Comment
  RSA152482  Festuca rubra Joseph P. Tracy 1950-6-17 18838 Humboldt At Eureka. Comment
  UC1103710  Festuca rubra Harold E. Parks and Joseph P. Tracy 1935-6-16 11272 Humboldt lower nw slopes Buck Mountain 792 Comment
  POM126172  Festuca subuliflora Joseph P. Tracy 1900-5-22 801 Humboldt Immediate vicinity of Eureka. 0 Comment
  UC492174  Fragaria Joseph P. Tracy 1932-7-16 10630 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC18399  Frangula californica Dale Thornburg 1968-11-10 Humboldt Hogback Ridge NE of Ammon Guard Station Comment
  CAS-BOT-BC52744  Frangula californica subsp. californica Doris K. Kildale 1927-7-3 3652 Humboldt Willow Creek Flat 152 Comment
  LA207729  Frangula californica subsp. californica Carl B. Wolf; 1934-6-30 5842 Humboldt Back of Shelter Cove 60 Comment
  CAS-BOT-BC53402  Frangula californica subsp. occidentalis Doris K. Kildale 1925-8-13 1115 Humboldt Willow Creek Flat, Trinity River Valley 152 Comment
  CAS-BOT-BC53403  Frangula californica subsp. occidentalis C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC59957  Frangula purshiana H. E. Parks; S. T. Parks 1937-6-1 24018 Humboldt Spruce Cove, Trinidad. Comment
  CAS-BOT-BC59961  Frangula purshiana W. R. Dudley 1899-6-21 s.n. Humboldt Above Scotia. Comment
  UCD112832  Frangula purshiana T. I. Storer 1931-7-1 2219 Humboldt northwest coast of county. Comment
  CAS-BOT-BC59996  Frangula purshiana C. B. Wolf; B. D. Stark 1933-9-24 5494 Humboldt W. slope Sierra Nevada. No. side of Bear Valley. 1371 Comment
  HSC39183  Fraxinus latifolia D. E. Anderson, J. P. Smith 1971-6-28 1217 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UC906695  Fraxinus latifolia Joseph P. Tracy 1941-3-26 16814 Humboldt opposite mouth of Willow Creek; Trinity River Valley, Lack Pond 152 Comment
  UC1197638  Fritillaria atropurpurea Joseph P. Tracy 1935-7-30 14375 Humboldt Salmon Summit, just below the top Salmon Summit 2072 Comment
  HSC38706  Fritillaria purdyi J. P. Smith 1976-5-29 8816 Humboldt Horse Mtn. 1402 Comment
  UC176062  Galium ambiguum subsp. ambiguum Joseph P. Tracy 1912-7-31 3913 Humboldt near summit Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC102052  Galium aparine M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 957 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC70724  Galium aparine Gail Newton 1980-7-14 1519 Humboldt Near Deadman Ridge 1097 Comment
  UC175780  Galium bifolium Joseph P. Tracy 1912-7-31 3923 Humboldt near summit Northern Coast Ranges, Buck Mountain 1676 Comment
  PASA46  Galium bolanderi Frank W. Peirson 1932-7-7 Humboldt Willow Creek Comment
  UC602507  Galium bolanderi Joseph P. Tracy 1927-5-15 8043 Humboldt near South Fork; Trinity River Valley 182 Comment
  RSA698804  Galium californicum J. R. Bruff 1937-8-17 916 Humboldt Richardson Grove. Comment
  JEPS52857  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-8 3861 Humboldt 2.3 mi s Weott; Avenue of the Giants Comment
  JEPS6482  Galium divaricatum Joseph P. Tracy 1916-6-19 4730 Humboldt Alder Point Northern Coast Ranges 152 Comment
  HSC39597  Galium grayanum var. grayanum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2917 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC31221  Galium muricatum D. E. Anderson 1972-6-20 5727 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC416658  Galium muricatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5471 Humboldt near Elk Prairie (Fruitland); North Coast Ranges 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
  UC198664  Galium parisiense Joseph P. Tracy 1916-6-19 4710 Humboldt Bosworth's Northern Coast Ranges, Laribee Creek 457 Comment
  UC602541  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt below Bridgeville (on river); 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
  HSC19817  Galium porrigens var. porrigens B. D. Rogers, William J. Ferlatte 1966-6-15 2092 Humboldt Near Bridgeville Comment
  HSC61722  Galium porrigens var. porrigens Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  POM60798  Galium trifidum Joseph P. Tracy 1906-8-18 2542 Humboldt Eureka. 0 Comment
  HSC26353  Gamochaeta ustulata T. O. Osborne 1970-9-16 54 Humboldt Trinidad Bay, Prisoner Rock Comment
  CAS-BOT-BC303389  Gamochaeta ustulata Joseph P. Tracy 1936-5-29 14830 Humboldt Near Orick, on Bald Hills Rd, 2 miles NE of Orick 152 Comment
  CAS-BOT-BC200578  Garrya buxifolia Carl B. Wolf 1927-8-28 1169 Humboldt Lord Ellis Road to Blue Lake, 9 mi. from Willow Creek, 2 mi. from summit Comment
  CAS-BOT-BC188532  Garrya elliptica Doris K. Kildale 1926-9-12 2668 Humboldt Klamath River near Requa on trail between ferry and bridge Comment
  CAS-BOT-BC188537  Garrya elliptica Doris K. Kildale 1926-9-12 2667 Humboldt Klamath River near Requa. On trail between Ferry and bridge Comment
  HSC49918  Garrya elliptica Maralyn O'Meara 1973-2-19 191 Humboldt McKinleyville, Murray Rd. Comment
  SBBG22046  Garrya elliptica R. F. Thorne 1957-9-3 19023 Humboldt Patrick's Point State Park Comment
  UC1196886  Garrya elliptica Joseph P. Tracy 1921-1-23 5413 Humboldt near Lindsay Creek (hillside on Mad River); Northern Coast Region 30 Comment
  OBI35859  Garrya fremontii David J. Keil 1983-7-2 17336 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  UCD39984  Garrya fremontii Rodney Gale Myatt 1971-9-21 1189 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  UCD39985  Garrya fremontii Rodney Gale Myatt 1971-9-22 1200 Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  POM207448  Gastridium phleoides Joseph P. Tracy 1900-9-9 951 Humboldt Bar of Yager Creek, near Hydesville. 61 Comment
  CAS-BOT-BC56267  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  HSC76327  Gaultheria ovatifolia Denis Kearns 1981-7-6 63 Humboldt Near Mosquito Lake 1122 Comment
  HSC22505  Gaultheria shallon J. R. Eichelberger 1964-5-5 68 Humboldt N side of the Mad River at the entrance to Azalea State Reserve Comment
  UCR275108  Gaultheria shallon Charity A. Hartshorn 2016-5-14 34 Humboldt Arcata Community Forest 244 Comment
  JEPS66611  Gaultheria shallon W. L. Jepson 1902-6-29 1952 Humboldt Redwood Creek at Berry Ranch, (Expedition) from Ukiah to the Hupa Indian Reservation Redwood Creek; , Berry Ranch Comment
  HSC16392  Gayophytum diffusum J. P. Tracy 1936-8-8 15137 Humboldt Trinity Summit, ridge 2 mi. E of Grove's Prairie 1524 Comment
  HSC54012  Gayophytum diffusum subsp. parviflorum Griswold, Butler 1979-7-12 7142 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  POM223144  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10400 Humboldt Klamath Mountains, Trinity Summit, open ground at Corral Prairie. 1524 Comment
  UC562353  Gayophytum heterozygum Joseph P. Tracy 1933-8-30 13045 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC144065  Gayophytum humile Joseph P. Tracy 1908-6 2688 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC15524  Genista monspessulana D. La Conte 1970-8-10 4 Humboldt Comment
  UC153982  Gentiana affinis var. ovata J. P. Tracy 1904-8-7 2140 Humboldt immediate vicinity Eureka 0 Comment
  UC1197401  Geranium carolinianum Joseph P. Tracy 1926-5-2 7421 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS61428  Geranium dissectum Lincoln Constance 1934-6-7 833 Humboldt Johnson Prairie South Fork Eel River, Bull Creek Region Comment
  CDA42400  Geranium lucidum R. Robison 2014-5-5 s.n. Humboldt In Humboldt Lagoons State Park, along Highway 101 on southbound side. Across from old state highway 102. 0 Comment
  CDA43207  Geranium molle Richard R. Halse 2015-3-26 9382 Humboldt Eureka; by a Texaco station near 3543 Broadway St. ((U.S. Highway 101) and its intersection with McCullens Ave. Comment
  HSC70696  Gilia capitata Gail Newton 1980-7-15 1557 Humboldt Near Sims Mtn. 1311 Comment
  HSC73773  Gilia capitata Gail Newton 1980-7-11 1328 Humboldt Near Red Mtn. 1341 Comment
  CAS-BOT-BC226144  Gilia capitata subsp. pacifica Mrs. G. Earle Kelly 1924-6-1 s.n. Humboldt Castle Island near Crescent City Comment
  UC1197923  Gilia capitata subsp. pacifica Joseph P. Tracy 1925-5-24 7010 Humboldt Kneeland Prairie 762 Comment
  HSC100594  Gilia squarrosa Carl C. Marshall Sep 1886 245 Humboldt Fields near Arcata. Comment
  UCD132389  Glebionis segetum Lincoln Constance 1934-6-25 927 Humboldt Bull Creek Region, South Fork Eel River, on east side of the road at Englewood across the road from Collins' Englewood Campground. Comment
  RSA246749  Glehnia littoralis subsp. leiocarpa R. F. Thorne, P. Everett 1965-8-9 35304 Humboldt Big Lagoon 3 Comment
  CDA2166  Glyceria declinata E. C. Whitney 1968-7-16 Humboldt Arcata Bottom area. 0 Comment
  HSC90679  Glyceria declinata Gail Newton 1982-6-10 3591 Humboldt Elk River Wildlife Area, Eureka Comment
  UC53405  Glyceria elata Joseph Burtt Davy 1899-7-26 5881 Humboldt above Martin's Ferry (swamp at Sam Lone's<sp?>) Comment
  RSA168834  Gnaphalium canescens subsp. thermale Joseph P. Tracy 1942-8-30 17303 Humboldt Humboldt County: Trinity River Valley, at Willow Creek. 152 Comment
  RSA42036  Gnaphalium chilense H. C. Cantelow 1936-8-29 1566 Humboldt 1 mile off Riv. [High.?] S. Fork Eel River Bridge, 17 miles N of Garberville Comment
  HSC49136  Gnaphalium palustre R. Becking 1979-7-29 Humboldt Van Duzen River at Cheatam Grove E of Carlotta Comment
  SEINET7010139  Gnaphalium purpureum Wanda P. Vestal, A. G. Vestal 1937-6-20 s.n. Humboldt Near the coast, about 4 miles north of Petrolia. Comment
  HSC99539  Goodyera oblongifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 204 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD132548  Grindelia camporum Malcolm A. Nobs; S. Galen Smith 1949-8-3 1179 Humboldt Around Fields Landing. Comment
  CAS-BOT-BC304732  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1934-4-11 1321 Humboldt Eureka Comment
  CAS-BOT-BC304738  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1936-7-3 3781 Humboldt Eureka Comment
  HSC79172  Grindelia hirsutula C. K. Geldin-Meyers 1985-8-3 100 Humboldt Mosley Is., W end of Cannibal Is. Rd., mouth of the Eel River 3 Comment
  SEINET10958318 Image available Grindelia stricta var. platyphylla J. A. Moore, Julian A. Steyermark 1931-8-9 Moore 3687 Humboldt On sandy seashore at base of cliffs. 10 miles north of Trinidad, Humboldt County. Exposed sandy places along seashore. 1 Comment
  RSA34235  Grindelia stricta var. stricta C. B. Wolf 1927-8-28 1184 Humboldt Eureka Bay, on the road to Arcata. Comment
  UC1222252  Hackelia californica Joseph P. Tracy 1948-8-15 18154 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity nSummit 1524 Comment
  HSC101976  Hackelia micrantha M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 873 Humboldt Patterson Meadows 1566 Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  UC582620  Hackelia setosa Joseph P. Tracy 1937-7-24 15510 Humboldt 2 mi se of Devil's Hole; Trinity Summit 1584 Comment
  UC3687  Hastingsia alba H. N. Bolander 1860-1-1 6559 Humboldt Red Mountains Comment
  CAS-BOT-BC306613  Helenium bigelovii Doris K. Kildale 1925-8-15 1173 Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  UC176474  Helenium bolanderi Joseph P. Tracy 1913-7-13 4355 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  SEINET11840975  Helenium bolanderi J. P. Tracy 1901-1 1204 Humboldt Humboldt Bay 30 Comment
  UC1222895  Helenium bolanderi Joseph P. Tracy with H. E. Parks 1950-7-16 11686 Humboldt 2 mi n Trinidad (Park's place) Comment
  BLMAR560  Helenium puberulum Jennifer Wheeler 2009-7-21 560 Humboldt Headwaters Forest Reserve, wet depression along trail north of Falk 60 Comment
  UC34533  Helianthus bolanderi Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
Read comments Apr 6 2008
  RSA255766  Hemitomes congestum Gary D. Wallace, S. Carlquist 1972-6-30 1102 Humboldt Prairie Crrek Redwoods Stl. Pk. near the coast. Comment
  HSC38786  Hemizonella minima J. P. Smith 1976-5-30 8821 Humboldt Near Black Rock on the road to Clear Lake 1524 Comment
  HSC70841  Hemizonella minima M. A. Baker 1980-6-7 1788 Humboldt Near Brush Mtn. 1128 Comment
  POM126140  Hemizonia congesta Joseph P. Tracy 1923-6-20 6337 Humboldt Near Briceland. 305 Comment
  CAS-BOT-BC309985  Hemizonia congesta subsp. tracyi H. E. Parks; J. P. Tracy 1930-5-25 0880 Humboldt Near Bridgeville Comment
  LA203693  Hemizonia congesta subsp. tracyi S. K. Harris; 1936-6-20 sn Humboldt above Van Duzen River about 1 mi. W of Bridgeville Comment
  UC249806  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1923-7-4 6529 Humboldt Valley of South Yeager Creek Northern Coast Ranges, Valley of South Yeager Creek 762 Comment
  UC427869  Hemizonia congesta subsp. tracyi H. E. Parks, J. P. Tracy 1930-5-25 880 Humboldt near Bridgeville Comment
  RSA168837  Hemizonia tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt At Domingo Hill Comment
  UC673047  Heracleum lanatum Joseph P. Tracy 1940-9-26 16730 Humboldt s. end Humboldt Bay (Salmon Creek Valley); , Salmon Creek Valley 9 Comment
  UC168968  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2199 Humboldt Eureka; Northern Coast Region 0 Comment
  BLMAR190  Heteromeles arbutifolia Donald Hazlett 1994-6-7 190 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC195431  Heteromeles arbutifolia Joseph P. Tracy 1915-8-2 4664 Humboldt 3 mi above Carlotta (Yager Creek); Northern Coast Ranges, Yager Creek 91 Comment
  UC165075  Heterotheca oregona var. rudis Joseph P. Tracy 1908-6 2924 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC70966  Heuchera micrantha Gail Newton 1980-7-15 1582 Humboldt Near Sims Mtn. 1311 Comment
  CAS-BOT-BC424196  Heuchera micrantha var. hartwegii Joseph P. Tracy 1947-4-27 17673 Humboldt Gravelly bank at roadside near top of Wolverton Gulch; 1/2 mile W of town. 152 Comment
  RSA0063136  Heuchera micrantha var. hartwegii Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville. Comment
  CAS-BOT-BC312394  Hieracium albiflorum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC302190  Hieracium bolanderi Joseph P. Tracy 1926-6-20 7638 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  CAS-BOT-BC316003  Hieracium nudicaule Harley P. Chandler 1901-6-1 1489 Humboldt Klamath River 426 Comment
  UC526829  Hierochloe occidentalis Joseph P. Tracy 1926-4-11 7401 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  HSC59498  Hippuris vulgaris M. A. Erickson 1979-4-20 210 Humboldt Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  HSC10121  Holcus lanatus H. E. Parks, S. T. Parks Aug 1943 24260 Humboldt Spruce Cove, Trinidad. 61 Comment
  HSC26537  Holcus lanatus J. P. Smith 1971-9-9 5040 Humboldt Mad River above the Fish Hatchery. Comment
  HSC37237  Holcus lanatus Lon Hall 1975-6-19 401 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC69584  Holcus lanatus R. Kalal 1980-6-8 1 Humboldt Pump Station #1 14 Comment
  SD40095  Holcus lanatus Edith A. Purer 1932-7-30 4672 Humboldt South of Orick Comment
  CAS-BOT-BC149899  Holodiscus discolor Doris K. Kildale 1925-6-21 741 Humboldt Briceland Bridge 1/2 miles W. of Garberville 114 Comment
  CAS-BOT-BC149909  Holodiscus discolor C. C. Harris; S. K. Harris 1936-6-9 329 Humboldt Behind Mrs. Wilder's, Carlotta Comment
  HSC43843  Holodiscus discolor Maralyn O'Meara 1974-5-18 497 Humboldt Fisher Rd. near Carlotta 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
  HSC10165  Hordeum brachyantherum J. A. Waller 1965-5-2 33 Humboldt Open field Comment
  RSA87062  Hordeum brachyantherum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad 9 Comment
  UC1103489  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-6-2 17094 Humboldt 1 mi E of town Alton 18 Comment
  HSC23405  Hordeum marinum subsp. gussoneanum Jeff Blake 1971-11-15 Humboldt Bear Ridge area, near Petrolia. Comment
  JEPS72937  Hordeum marinum subsp. gussoneanum Lincoln Constance 1934-5-29 722 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River, Upper Look Prairie (South Fork Eel River, Bull Creek Region) 365 Comment
  UC50483  Hordeum marinum subsp. gussoneanum Joseph Burtt Davy 1899-6-8 5342 Humboldt Bell's Springs Comment
  HSC45256  Hordeum vulgare M. Alcasas 1978-5-27 109 Humboldt On access road to Eel River Sawmills, 0.5 mi. from Hwy. 101 30 Comment
  CAS-BOT-BC536629  Horkelia californica Paul F. Covel 1937-7-13 800 Humboldt Cape Fortuna Comment
  HSC98277  Hosackia crassifolia D. E. Anderson 1961-9-30 1848 Humboldt Divide Lake. 915 Comment
  HSC102016  Hosackia oblongifolia var. oblongifolia M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 917 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  SEINET957087  Hosackia rosea H. E. Parks 1932-1 3698 Humboldt Bishop Pine Lodge, Trinidad. 61 Comment
  UC1239762  Hydrophyllum occidentale Joseph P. Tracy 1908-6 2633 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC1245394  Hydrophyllum occidentale Joseph T. Gregory 1933-7-11 371 Humboldt near Clear Lake (Grouse Mt.); Grouse Mt. 1524 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  JEPS66840  Hypericum perforatum W. L. Jepson 1927-7-3 12368 Humboldt S. Fork Eel R. at Miranda; S. Fork Eel R. 228 Comment
  UC1198402  Hypericum perforatum Joseph P. Tracy 1933-7-3 12640 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC67967  Hypericum perforatum J. P. Smith 1973-5-26 6830 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA424593A  Hypericum perforatum T. S. Elias, Barbara A. Elias 1987-8-26 10630 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge. Comment
  RSA47107  Hypericum perforatum Doris K. Kildale 1925-6-20 711 Humboldt coast above Big Lagoon Comment
  UCD110387  Hypericum perforatum subsp. perforatum J. I. Mallory 1955-9-17 123 Humboldt Three-eights mile north-northwest of headquarters, Cottrell Ranch. 746 Comment
  CAS-BOT-BC312887  Hypochaeris glabra Alice Eastwood 1923-8-16 12326 Humboldt Carlotta Comment
  HSC5864  Hypochaeris glabra Lincoln Constance 1934-5-24 639 Humboldt S Fork Eel River 122 Comment
  CAS-BOT-BC311436  Hypochaeris radicata Ashley C. Browne 1936-6-10 s.n. Humboldt Patrick's Point State Park Comment
  UC1199472  Hypochaeris radicata J. P. Tracy 1911-6-25 3248 Humboldt immediate vicinity Eureka (at Bucksport) 0 Comment
  HSC100106  Hypochaeris radicata A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  CAS-BOT-BC123474  Iliamna latibracteata Doris K. Kildale 1926-7-5 2312 Humboldt Prairie Creek, near Davidson's. Comment
  HSC15970  Iliamna latibracteata H. E. Parks, S. T. Parks Jun 1935 5593 Humboldt E side of Prairie Creek, N of Orick Comment
  UC1565799  Iris douglasiana R. Spellenberg 1990-7-10 10240 Humboldt 11 mi s Berry Summit (on Calif. Hwy. 299) on U.S.F.S. 1 (11 air mi e of Burnt Ranch, extreme e edge of Humboldt County) 1432 Comment
  UC176171  Iris douglasiana Joseph P. Tracy 1912-7-14 3752 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC13863  Iris douglasiana W. R. Brigham 1962-5-20 19 Humboldt End of old Hwy. 101, N of Big Lagoon Rd. Comment
  SEINET12056852  Iris douglasiana H. P. Chandler 1901-1 1262 Humboldt Redwood Belt 457 Comment
  SEINET3875944  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-4-27 438 Humboldt On Ishi Pishi Road, 1.7 mi. south of intersection with Forest Road 11N11, Orleans.; 0 213 Comment
  HSC64219  Iris tenuissima J. O. Sawyer, M. A. Ericksen 1979-6-23 3382 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC70346  Iris tenuissima M. A. Baker 1980-6-7 1816 Humboldt Near Brush Mtn. 287 Comment
  HSC13887  Iris tenuissima B. R. Templeton 1962-5-24 Humboldt Berry Summit, E slope Comment
  RSA135920  Iris tenuissima Lee W. Lenz, E. K. Balls 1955-5-15 20734 Humboldt 15.8 miles southeast along U.S. Highway 299 from Willow Creek, towards Arcata 579 Comment
  JEPS64019  Isolepis cernua W. L. Jepson 1921-8-7 9326 Humboldt on the flats and beach Stone Lagoon Comment
  HSC37499  Jaumea carnosa J. D. Ackerman 1975-8-2 617 Humboldt Hwy. 101 between Arcata and Eureka. Humboldt Bay across from Murray Field Comment
  HSC5881  Jaumea carnosa David K. Smith 1968-11-9 55 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  RSA246906  Jaumea carnosa R. F. Thorne, P. Everett 1965-8-8 35279 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  CAS-BOT-BC109924  Juncus Doris Kildale 1931-5-10 10675 Humboldt Snow Camp. Comment
  RSA216153  Juncus articulatus G. H. True 1965-9-28 2654 Humboldt Klamath River at Boise Creek, 2 1/2 miles southwest of orleans. 137 Comment
  UC421841  Juncus breweri J. B. Davy 1899-6-30 6182 Humboldt Ferndale Comment
  HSC14013  Juncus breweri S. J. Moore 1965-5-3 6 Humboldt Gold Beach near waters edge by lake Comment
  HSC89596  Juncus bufonius var. bufonius M. Roantree 1985-5-2 31 Humboldt E side of Trinidad Head. Comment
  HSC97983  Juncus covillei Cara Witte 2007-7-11 496 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  HSC98841  Juncus covillei Cara Witte 2008-7-16 912 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  HSC77350  Juncus covillei L. P. Janeway 1982-6-20 16 Humboldt Near gutter near underdrain of FS Rd. 6N36, 30 m N of Titlow Hill Rd. towards Horse Mtn. 1384 Comment
  UC1152108  Juncus covillei Joseph P. Tracy 1930-6-29 8818 Humboldt near Dinsmore's; Buck Mountain Comment
  BLMAR659  Juncus effusus subsp. pacificus Andrew Maguire 2012-7-19 659 Humboldt Lacks Creek, Faulkner prairie 894 Comment
  HSC75276  Juncus ensifolius J. O. Sawyer, D. A. Thornburgh 1980-9-9 4079 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC57986  Juncus exiguus G. L. Clifton, Terry Griswold 1979-7-31 11721 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC39048  Juncus falcatus Linda M. Barker 1976-6-22 1623 Humboldt 3 mi. W of Arcata Comment
  RSA129411  Juncus falcatus subsp. sitchensis H. S. Yates 1936-6-16 5654 Humboldt 1/2 mile southwest of Samoa. 3 Comment
  UC167841  Juncus falcatus subsp. sitchensis Schmidt Humboldt Humboldt Bay Comment
  UC1133717  Juncus patens H. S. Yates 1936-6-23 5858 Humboldt 2 mi se mouth of Mad River; Eureka Quad. 30 Comment
  HSC99032  Juncus patens Cara Witte 2008-7-14 896 Humboldt Cold Spring. 0.5 mi. S of Titlow Hill. 1440 Comment
  CAS-BOT-BC235884  Keckiella corymbosa H. L. Mason 1928-7-14 4900 Humboldt East Fork of the Eel River near Garberville Comment
  UC1196076  Kelloggia galioides Joseph P. Tracy 1919-9-19 5257 Humboldt Trinity Summit; Northern Coast Ranges 1889 Comment
  UC1051592  Lactuca saligna Joseph P. Tracy 1947-9-14 17932 Humboldt Kneeland Prairie 762 Comment
  HSC77915  Landoltia punctata Daniel V. Richards 1981-8-25 102 Humboldt 11 km E of Arcata, W End Rd. Comment
  CAS-BOT-BC337993  Lasthenia californica L. B. Kildale 1930-6-1 9767 Humboldt Klamath River at Bluff Creek Comment
  UC1368671  Lathyrus glandulosus J. P. Tracy 1948-8-7 18085 Humboldt Fickle Hill 609 Comment
  UC198655  Lathyrus littoralis Joseph P. Tracy 1917-5-30 4802 Humboldt Little River Beach Northern Coast Region 6 Comment
  HSC82184  Lathyrus nevadensis var. nevadensis Thomas W. Nelson 1977-6-15 3440 Humboldt Along old road to ski area 1372 Comment
  HSC97914  Lathyrus polyphyllus Cara Witte 2007-6-14 279 Humboldt Along National Forest 1. Near Kinsey Ridge. 3/4 mile south of intersection with 4N06. 1256 Comment
  UC1222408  Lathyrus polyphyllus Joseph P. Tracy 1949-8-11 18474 Humboldt 2-6 mi s Grouse Mt. (ridge e of headwaters of Redwood Creek, where power line crosses); Kinsey Ridge 1280 Comment
  UC1222411  Lathyrus polyphyllus Joseph P. Tracy 1948-7-11 18074 Humboldt along Trinity Highway Willow Creek Canyon Comment
  SEINET12151839  Lathyrus torreyi C. L. Hitchcock 1949-1 19084 Humboldt ca 15miE of Blue Lake, along Hwy 299 Comment
  HSC2129  Lathyrus vestitus subsp. bolanderi Frances Oldridge 1946-1 Humboldt Willow Creek Comment
  HSC5911  Layia carnosa J. W. Johnson 1962-4-18 1272 Humboldt Arcata, between the Mad River mouth and the Hunt Farm, Samoa Peninsula. Comment
  HSC78611  Layia carnosa L. P. Janeway, Amy Eisenberg 1984-4-25 746 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven roads, NE of the willow patch. 3 Comment
  UC198626  Layia carnosa Joseph P. Tracy 1917-5-30 4796 Humboldt mouth Little River Comment
  UCD133892  Layia carnosa Linda M. Barker 1976-4-13 1377 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC154035  Ledum glandulosum J. P. Tracy 1901-6-16 1153 Humboldt immediate vicinity of Eureka 0 Comment
  OBI40320  Leontodon saxatilis subsp. saxatilis Ralph N. Philbrick 1974-8-28 s.n. Humboldt Behind sandy beach and road fill, Hwy 101, S of Orick Comment
  UC1225755  Lepidium nitidum Joseph P. Tracy 1948-5-31 18012 Humboldt Alder Point 304 Comment
  UC161491  Lepidium strictum Joseph P. Tracy 1911-7-1 3276 Humboldt near Hydesville (at Carlotta); Northern Coast Region, Carlotta 60 Comment
  UC709460  Lepidium strictum Joseph P. Tracy 1941-5-4 16866 Humboldt Scotia 30 Comment
  UC1173729  Lepidium virginicum Joseph P. Tracy 1939-4-29 16245 Humboldt mouth of Slate Creek Klamath River 121 Comment
  UC205477  Lepidium virginicum var. pubescens Joseph P. Tracy 1919-5-31 5145 Humboldt near Willow Creek mouth (tributary of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  HSC73451  Leptosiphon ciliatus Gail Newton 1980-7-14 1466 Humboldt Near Last Chance Ridge. 1219 Comment
  CAS-BOT-BC226713  Leptosiphon latisectus Alice Eastwood; John Thomas Howell 1937-6-23 4764 Humboldt Dinsmore's [Dinsmore] Comment
  UC180236  Leptosiphon latisectus Joseph P. Tracy 1914-5-14 4423 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC908950  Leptosiphon latisectus Joseph P. Tracy 1927-5-8 7976 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  HSC39167  Leucanthemum vulgare D. E. Anderson, J. P. Smith 1971-6-28 - 1236 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UCSB15427  Leucanthemum vulgare 1961-7-3 Humboldt Along State Highway 299, 18.5 miles east of U.S. Highway 101 670 Comment
  SEINET3072000 Image available Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt Trinity summit. Near ranger station 1830 Comment
  HSC44553  Lewisia triphylla Brad Klipfel 1973-7-15 172 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET197649 Image available Lewisia triphylla Joseph P. Tracy 1935-7-24 14178 Humboldt Trinity summit near Ranger Station 1830 Comment
  UCD149816  Leymus X vancouverensis William Anderson 1965-6-26 s.n. Humboldt Arcata Bottoms. Comment
  UC249795  Leymus mollis subsp. mollis Joseph P. Tracy 1923-5-19 6212 Humboldt Trinidad Northern Coast Ranges (ocean beach) 3 Comment
  CAS-BOT-BC436493  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt Humboldt Bay, near top of Humboldt Hill 152 Comment
  HSC44546  Ligusticum californicum Brad Klipfel 1973-7-15 165 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC70627  Ligusticum californicum J. M. DiTomaso 1980-6-27 1623 Humboldt 6 mi from Orleans on Gasquet-Orleans Rd. Comment
  UC154089  Lilaeopsis occidentalis Joseph P. Tracy 1909-9-19 3102 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 0 Comment
  UCR39795  Lilium bolanderi D. K. Imper 1983-7-12 s.n. Humboldt Six Rivers National Forest. Along13N01 roadside c. 3.5 mi north of Blue Lake 915 Comment
  HSC31642  Lilium columbianum Glenn McGourty 1974-6-1 80 Humboldt Comment
  HSC45280  Lilium columbianum Clifton Raymond Chesbrough 1971-7-5 40 Humboldt Along Fickle Hill Rd. Comment
  HSC45837  Lilium columbianum Clifton Raymond Chesbrough 1971-7-22 75 Humboldt 1.0 mi. S of Eureka golf course Comment
  UC175925  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC666953  Lilium pardalinum Joseph P. Tracy 1932-7-13 10514 Humboldt Corral Prairie; Trinity Summit 1584 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
  HSC63090  Lilium rubescens M. A. Baker 1979-7-6 1012 Humboldt 0.6 k. W of FS 15N01 on FS 12N16 toward Bald Mtn. Comment
  CAS-BOT-BC133015  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-8-15 1156 Humboldt Trail between Elk Horn Camp & McKay's Prairie 1524 Comment
  HSC97994  Lilium washingtonianum subsp. purpurascens Cara Witte 2007-7-9 460 Humboldt Forest Service Road 4N32. 1.25 miles south of intersection with 4N32E. 1430 Comment
  OBI12584  Limnanthes douglasii Carl B. Wolf 1937-6-14 8818 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  BLMAR501  Limnanthes douglasii Jennifer Wheeler 2009-4-30 501 Humboldt King range, Hidden Valley trail; trail forward Comment
  JEPS19587  Limnanthes douglasii Joseph P. Tracy 1921-4-24 5476 Humboldt Philipsville Northern Coast Ranges (facing South Fork of Eel River) 121 Comment
  SEINET6950811  Limnanthes douglasii Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC971842  Limnanthes douglasii subsp. nivea Charles T. Mason Jr. 1949-4-30 1282 Humboldt e side of road to Fortuna 4.9 mi from Bridgeville Comment
  HSC90756  Limonium californicum Gail Newton 1983-8-21 3853 Humboldt Elk River Wildlife Area, Eureka. Comment
  UC1198593  Linanthus androsaceus Joseph P. Tracy 1922-6-18 6093 Humboldt Head of Middle Yager Creek Northern Coast Ranges 762 Comment
  JEPS58151  Linanthus androsaceus W. L. Jepson 1902-6-19 1884 Humboldt Harris to Fort Seward Ranch Ridge (= Mail Ridge) 1066 Comment
  UC146166  Linanthus bicolor Joseph P. Tracy 1908-6-9 2650 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC582685  Linanthus bicolor Joseph P. Tracy 1937-5-17 15287 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA0087552  Linnaea borealis subsp. longiflora Mrs. M. H. Manning 1901-06 108 Humboldt Trinity Summit. Comment
  UCSB13370  Linnaea borealis var. longiflora 1954-6-21 Humboldt Olson Creek, 2 mi. E. NE. of Mad River Comment
  SEINET10634291  Linum Daniel K. Harder 1994-10-4 Harder 2493 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
  CHSC68542  Linum bienne Vernon Oswald 1997-4-29 8353 Humboldt Humboldt Bay NWR, Hookton Slough Trail on the levee along the south side of Hookton Slough. 0 Comment
  HSC15802  Linum bienne F. B. Plett 1963-4-9 15 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC59497  Linum bienne M. A. Ericksen 1979-5-23 304 Humboldt 880 Central Ave., McKinleyville. Comment
  UC1130237  Linum usitatissimum H. L. Person 1932-7-16 Humboldt Highway n of Trinidad Comment
Read comments Aug 3 2007
  CAS-BOT-BC111982  Lipocarpha occidentalis Joseph Prince Tracy 1931-9-7 9650 B Humboldt Sand bars in River bed, Trinity River Valley at Willow Creek. 152 Comment
  HSC27569  Listera caurina J. D. Ackerman, A. Montalvo 1973-6-29 71 Humboldt 2 mi. N of Manila Comment
  UC1103033  Listera caurina Joseph P. Tracy 1932-7-20 10740 Humboldt Forks of Tish-Tang-a-tang Creek Trinity Summit 1219 Comment
  UC1103026  Listera cordata Joseph P. Tracy 1924-5-11 6687 Humboldt Bull Creek Flat Northern Coast Ranges 91 Comment
  HSC49390  Listera cordata var. nephrophylla R. York 1979-4-21 245 Humboldt Behind the town of Korbel, Camp Bauer Comment
  UC54688  Lithocarpus densiflorus P. E. Goddard 1901-7-6 46 Humboldt Hupa Comment
  CAS-BOT-BC36101  Lithocarpus densiflorus var. densiflorus L. B. Kildale 1930-8-10 10536 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC36106  Lithocarpus densiflorus var. densiflorus Joseph P. Tracy 1927-8-28 8361 Humboldt Near Boynton Prairie Comment
  JEPS81092  Lithocarpus densiflorus var. densiflorus Thomas W. Nelson and Jane P. Nelson 1978-2-5 3760 Humboldt Kneeland; e side of junction of Kneeland and Maple Creek roads 670 Comment
  UC1196500  Lithophragma Harold E. Parks and Joseph P. Tracy 1942-5-16 11558 1/2 Humboldt vicinity Garberville 152 Comment
  CAS-BOT-BC430610  Lithophragma affine Mark Bransom; Daniel Brown; Ron Hildebrant; Nina Meiselman 1986-4-19 18 Humboldt 1 1/2 mi. west of Burnt Ranch on Rt. 299 down dirt road leading from open meadow above Burnt Ranch campground Comment
  HSC78980  Lobularia maritima L. P. Janeway 1984-12-5 1195 Humboldt N Spit of Humboldt Bay, W side Samoa Rd. near the boat ramp 5 Comment
  HSC79445  Lolium perenne Kenneth Clark 1980-5-10 640 Humboldt Sheltor Cove, above Dead Man's Gulch. 122 Comment
  UC726366  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt near Arcata; near Arcata Comment
  UC249794  Lolium temulentum Joseph P. Tracy 1923-6-27 6382 Humboldt Trinity River Valley, near the South Fork; Northern Coast Ranges, Trinity River Valley, near South Fork 182 Comment
  UCD66673  Lolium temulentum M. A. Jargas 1926-6-8 Humboldt Happy Valley. Comment
  HSC39598  Lomatium ciliolatum var. ciliolatum Thomas W. Nelson, James Nelson 1976-7-1 2921 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC314597  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1923-6-27 6380 Humboldt near the South Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  JEPS14246  Lomatium dissectum var. dissectum Joseph P. Tracy 1930-6-29 8808 Humboldt lower foothhills of Buck Mt. (on its n.w. slope); Northern Coast Ranges, Buck Mt. 762 Comment
  HSC56077  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-31 11756 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC63842  Lomatium macrocarpum M. A. Baker 1979-6-26 910 Humboldt S facing ridge Comment
  HSC74381  Lomatium macrocarpum M. A. Baker 1980-6-28 2477 Humboldt Near Mad River Buttes 1445 Comment
  HSC35753  Lomatium macrocarpum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1997 Humboldt French Camp, Bald Hills. Comment
  JEPS14256  Lomatium macrocarpum Joseph P. Tracy 1933-7-25 12894 Humboldt Grouse Mt. 1524 Comment
  UC314598  Lomatium nudicaule Joseph P. Tracy 1925-7-26 7208 Humboldt at mouth of S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC1438146  Lomatium tracyi Barbara Kelly 1978-5-1 589 Humboldt 1/4 mi from Horse Mountain Road, 1/2 mi below turnoff to summit, near end of unused gravel road. Comment
  SEINET13944678 Image available Lomatium utriculatum William A. Weber 1965-1 12292 Humboldt slope above Van Duzen River W of Dinsmore; 2400 ft alt 732 Comment
  HSC3946  Lonicera conjugialis J. P. Tracy 1932-7-11 10414 Humboldt Trinity Summit 1524 Comment
  CAS-BOT-BC240470  Lonicera hispidula Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UCSB25050  Lonicera hispidula 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
  UC1239553  Lonicera hispidula var. vacillans Joseph P. Tracy 1923-10-14 6572 Humboldt 5 mi n Blocksburg; Larrabee Creek 457 Comment
  CAS-BOT-BC241496  Lonicera involucrata var. ledebourii Huron H. Smith 1911-6-4 3801 Humboldt Trinidad Comment
  CHSC23308  Lonicera involucrata var. ledebourii Robert F. Thorne; P. Everett 1965-8-9 35301 Humboldt Big Lagoon 3 Comment
  CHSC31282  Lonicera involucrata var. ledebourii Mark Stopher 1980-4-11 47 Humboldt Occasional in brushy areas along Elk River. 1 Comment
  HSC3928  Lonicera involucrata var. ledebourii D. B. Bader 1963-3-1 25 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  HSC49823  Lonicera involucrata var. ledebourii R. York 1979-4-13 226 Humboldt Big Lagoon Bog. Comment
  HSC83836  Lonicera involucrata var. ledebourii F. R. Fosberg 1948-8-28 30053 Humboldt Dry Lagoon. Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  JEPS55388  Lotus crassifolius var. crassifolius Lincoln Constance 1934-6-15 877 Humboldt Summit of Grasshopper Peak South Fork Eel River, Bull Creek Region 975 Comment
  SEINET3696599 Image available Lotus douglasii Joseph P. Tracy 1911-7-6 3358 Humboldt Road between Three Creeks and mouth of Willow Creek 762 Comment
  SEINET12154222  Lotus nevadensis var. douglasii H. P. Chandler 1901-1 1487 Humboldt Klamath R 427 Comment
  RSA168892  Lotus oblongifolius Joseph P. Tracy 1936-6-3 14856 Humboldt Lack Pond, in Trinity River Valley, opposite mouth of Willow Creek. Comment
  RSA20787  Lotus oblongifolius var. nevadensis Carl B. Wolf 1937-8-13 9252 Humboldt North Coast Range 11 mi. E. of Hoopa Valley on New Road towards Trinity Summit. 1524 Comment
  UC201389  Lotus purshianus var. purshianus Joseph P. Tracy 1918-7-5 5015 Humboldt White Thorne Valley Northern Coast Ranges 304 Comment
  HSC71596  Lotus unifoliolatus var. unifoliolatus M. A. Baker 1980-6-26 2407 Humboldt Near Sims Creek 610 Comment
  RSA89561  Lupinus Philip A. Munz 1954-7-23 19861 Humboldt Road from Dinsmore to Mad River, near Humboldt-Trinity county line. 762 Comment
  HSC35035  Lupinus affinis Thomas W. Nelson, James Nelson 1975-5-24 1857 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1223267  Lupinus albicaulis var. shastensis Joseph P. Tracy 1949-6-25 18340 Humboldt at Big Hill on road w Box Camp (w slope of summit Trinity Summit); Trinity Summit, at Big Hill Comment
  HSC98761  Lupinus albifrons var. collinus Cara Witte 2008-7-2 819 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  HSC50953  Lupinus andersonii G. L. Clifton, Overton 1979-6-3 3777 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  HSC49997  Lupinus andersonii M. A. Baker 1979-6-7 789 Humboldt W slope of Snow Mtn. 762 Comment
  CHSC32840  Lupinus arboreus Lora L. Anderson 1981-4-26 17 Humboldt Ca. 0.5 mi e of ocean (Moonstone Beach) 0.5 mi w of Hwy 101, 11.5 mi n of Arcata. 0 Comment
  UCD106638  Lupinus arboreus Logan Farm Adviser 1921-6-21 s.n. Humboldt Eureka. Comment
  UCSB23853  Lupinus arboreus J. R. Haller 1967-6-17 2180 Humboldt collected 10.0 mi N, along U S Highway 101 at Clam Beach County Park Arcata - Clam Beach County Park, U S Highway 101 and Arcata Comment
  SEINET10452623  Lupinus arboreus Mary Susan Taylor 1982-10-24 Taylor 5183 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  RSA183596  Lupinus arboreus var. arboreus C. F. Zeillemaker 1964-4-7 64 -A-006 Humboldt Three miles southwest of Samoa on Samoa Peninsula at U.S. Coast Guard Station. 3 Comment
  CAS-BOT-BC205381  Lupinus elmeri Joseph P. Tracy 1930-7-16 8954 Humboldt South Fork Mountain; open glades along summit near Blake lookout 1737 Comment
  HSC35605  Lupinus latifolius subsp. viridifolius Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2016 Humboldt French Camp, Bald Hills. Comment
  HSC102108  Lupinus latifolius var. latifolius M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1011 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC99444  Lupinus latifolius var. latifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 94 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SBBG8916  Lupinus latifolius var. viridifolius H. and M. Dearing 1939-5-24 3416 Humboldt 5 mi S of Alton Comment
  CHSC921  Lupinus littoralis M. Underhill 1952-7-13 Humboldt Near coast. 0 Comment
  UC774981  Lupinus luteolus Carl B. Wolf 1937-8-12 9211 Humboldt on road to Kneeland 20 mi n Bridgeville; North Coast Range 457 Comment
  UCD109339  Lupinus pachylobus W. Williams 1951-1 s.n. Humboldt Bear Creek Valley. Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  JEPS65433  Lupinus rivularis Lincoln Constance 1934-5-26 675 Humboldt s end Dyerville Bridge (sand and gravel bar of South Fork Eel River); South Fork Eel River, Bull Creek Region 45 Comment
  RSA414417  Lupinus rivularis Bonnie C. Templeton 1964-6-11 10073 Humboldt Between Salyer and Arcata on Highway 299 Comment
  RSA275290  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane Nelson, A. P. Nelson 1977-6-19 3511 Humboldt Southwest of Alder Springs along road 2S08. 1463 Comment
  HSC58361  Lupinus tracyi G. L. Clifton, Griswold 1979-7-26 10194 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC59591  Lupinus variicolor Rick Lundquist 1979-4-6 2 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  UC1103683  Luzula comosa Joseph P. Tracy 1923-6-24 6354 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  CDA39249  Luzula parviflora J. Riddell 2002-4-21 47 Humboldt Prairie Creek State Park, Gold Beach roadside. Comment
  HSC36099  Lycopodiella inundata Gerald Fijii 1972-11-4 1 Humboldt Big Lagoon Bog 6 Comment
  JEPS60165  Lycopodium clavatum Hilda W. Grinnell 1932-7-23 46 Humboldt on ever-shaded oozy slope below McKay Camp; South Fork Mountain Comment
  UC1745149  Lycopodium clavatum Clare T. Golec 2000-7-13 Humboldt NE of Blue Lake 182 Comment
  HSC93250  Lysichiton americanus Gordon Leppig 1998-3-9 712 Humboldt Arcata, Alder Grove Pond, E side 12 Comment
  SBBG788  Lysichiton americanus H. and M. Dearing 1939-5-25 3443 Humboldt near Samoa Comment
  UC486490  Lysichiton americanus H. E. and S. T. Parks 1930-9-14 781 Humboldt Big Lagoon Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  HSC89989  Lythrum hyssopifolia Leonel Arguello 1989-6-10 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, at the end of the Fernstrom-Root trail, along W border of the salt marsh. Comment
  RSA0015872  Lythrum hyssopifolia Joseph P. Tracy 1927-8-7 8321 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek. 152 Comment
  POM284990  Madia citriodora Lyman Benson 1929-7-11 1784 Humboldt Humboldt County: S of Garberville 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
  RSA15579  Madia elegans subsp. elegans C. B. Wolf 1927-8-28 1162 Humboldt On the Trinity River, 3 miles from Weitchpec Comment
  HSC67886  Madia gracilis J. P. Smith 1973-5-26 6868 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  JEPS19928  Madia gracilis Lincoln Constance 1934-5-29 711 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC176475  Madia gracilis Joseph P. Tracy 1913-6-13 4109 Humboldt opposite Buck Mountain (in Van Duzen River Valley, Dinsmore's Ranch); Northern Coast Ranges, in Valley of Van Duzen River, Dinsmor 762 Comment
  UCD134335  Madia sativa Linda M. Barker 1976-7-5 1636 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA1369  Mahonia nervosa E. R. Johnson 1929-08 618 Humboldt 7 miles east of Arcata on the road to Willow Creek. 76 Comment
  UC545825  Maianthemum dilatatum H. E. Parks May, 1932 4289 Humboldt Trinidad, Bishop Pine Lodge Comment
  CAS-BOT-BC508503  Maianthemum dilatatum Wayne Roderick 1967-7-22 s.n. Humboldt Trinidad 30 Comment
  SEINET3992237  Maianthemum dilatatum C. O. Baker 1962-5-7 Humboldt 2 miles south of Trinidad along Hwy 101. Comment
  SEINET8489258  Maianthemum dilatatum W. Roderick 1967-7-22 s.n. Humboldt Trinidad. 30 Comment
  HSC58009  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1979-7-31 11805 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  RSA1087  Maianthemum racemosum subsp. amplexicaule E. R. Johnson 1928-8-26 1147 Humboldt Arcata. Comment
  SEINET12050378  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1988-1 88 -270 Humboldt 14 mi W of Bridgeville to Carlotta on CA 36, Mile Marker 11.40, Van Duzen Co. Park (Pamplin Grove) 50 Comment
  HSC99389  Maianthemum stellatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 38 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  BLMAR283  Maianthemum stellatum Jennifer Anthony-Wheeler 1999-4-28 283 Humboldt King range Comment
  SEINET12050368  Maianthemum stellatum F. H. Utech 1988-1 88 -280 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, above Van Duzen River 800 Comment
  UC535702  Malacothrix floccifera Eleanor Armstrong 1934-8-24 1191 Humboldt Richardson Grove 121 Comment
  RSA95019  Malacothrix floccifera F. W. Peirson 1923-7-9 3933 Humboldt Humboldt County State Park Comment
  UC154238  Malus fusca J. P. Tracy 1906-11-4 2553 Humboldt immediate vicinity Eureka 0 Comment
  UC275344  Malva parviflora Joseph P. Tracy 1924-10-19 6928 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  SEINET4929765  Marah fabacea Unknown 2002-8-22 90 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  CHSC10136  Marah oregana J. W. Johnson 1962-3-31 1412 Humboldt Along the Lanphere Lane, Samoa Peninsula, Arcata. Comment
  HSC59579  Marah oregana Rick Lundquist 1979-5-23 103 Humboldt 3.4 mi. up Fickle Hill Rd. from 11th St. 274 Comment
  UC505101  Marah oregana Joseph P. Tracy 1929-4-28 8543 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UCR51832  Marah oregana J. D. Ackerman 1975-6-10 451 Humboldt Humboldt Bay, c. 1 mi. north of Samoa bridge turnoff from Samoa Blvd., south of Manila Comment
  RSA239725  Marah oregana Larry E. DeBuhr, Gary D. Wallace 1973-5-19 1116 Humboldt Prairie Creek Redwood State Park; along Gold Bluff Beach. Comment
  RSA273320  Marah oregana J. D. Ackerman 1975-6-10 451 Humboldt 1 mile N of Samoa Bridge turnoff from Samoa Blvd., S of Manila, Humboldt Bay Comment
  UC1222345  Marah oregana Joseph P. Tracy 1951-5-20 19402 Humboldt Barry Ridge Kneeland Prairie 762 Comment
  HSC98388  Medicago lupulina Jana Kattenhorn 1970-10-28 144 Humboldt Mad River Bottoms, N Bank off Essex, off Hwy. 299 Comment
  HSC14970  Medicago polymorpha J. E. Lankila 1962-5-6 16 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  HSC90387  Medicago polymorpha Jean Hanson 1980-4-12 46 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  UC552693  Melica aristata Joseph P. Tracy 1935-7-25 14236 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  UC1103760  Melica californica Joseph P. Tracy 1950-6-15 18780 Humboldt 5 mi n Harris; Mail Ridge 944 Comment
  UC1145131  Melica fugax Joseph P. Tracy 1936-7-5 15041 1/2 Humboldt Grouse Mountain 1524 Comment
  HSC98743  Melica geyeri Cara Witte 2007-7-20 561 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  CAS-BOT-BC281319  Melica harfordii David D. Keck 1948-7-2 6012 Humboldt 1 mile N of Richardson Grove, US Highway 101 highway, along S Fork of Eel River, S facing road cut and ditch Comment
  UCD87377  Melica harfordii Harley P. Chandler 1901-6-1 1477 Humboldt North Coast Ranges. Klamath River. 365 Comment
  UC34139  Melica spectabilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5827 Humboldt Trinity Summit Comment
  CAS-BOT-BC262472  Melica subulata Joseph P. Tracy 1935-7-25 14224 Humboldt Trinity Summit. Near Corral Prairie 1584 Comment
  HSC32240  Melica subulata J. O. Sawyer 1970-6-24 2280 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC71789  Melica subulata Gail Newton 1980-6-16 181 Humboldt Near Monks Camp. 1097 Comment
  UC552707  Melica subulata Joseph P. Tracy 1935-4-14 13778 Humboldt Miranda; along South Fork of Eel River 121 Comment
  HSC97531  Melilotus albus Ivy Watson 2008-9-17 19 Humboldt Mad River Park on W End Rd., near pumping station, 300 ft. away from river. 8 Comment
  UC160958  Melilotus albus Harley P. Chandler June 1901 1464 Humboldt Klamath River North Coast Ranges 304 Comment
  UC16145  Melilotus albus Joseph Burtt Davy and Walter C. Blasdale 1899-6-29 5900 Humboldt Klamath R. Comment
  HSC15005  Melilotus albus J. Sandborg, F. Sandborg 1968-7-19 53 Humboldt Bluff Creek near Notice Creek 793 Comment
  HSC12347  Mentha pulegium Steve Dorei 1970-10-31 135 Humboldt Scotia Bluffs, north of railroad tracks Comment
  HSC63583  Mentha pulegium J. P. Smith 1971-10-9 5004 Humboldt Mad River above the Fish Hatchery. Comment
  UC213509  Mentha spicata Joseph P. Tracy 1919-9-14 5207 Humboldt borders Lack Pond (Trinity River Valley near Willow Creek); Northern Coast Ranges, Trinity River Valley nr Willow Creek 152 Comment
  UC1225906  Menziesia ferruginea Joseph P. Tracy 1947-5-24 17687 Humboldt Big Lagoon 15 Comment
  UC1934548  Menziesia ferruginea subsp. ferruginea T. C. Wells & W. J. Crins 1986-7-29 636 Humboldt Redwood National Park, on Hwy. 101 pullout neat mile 130.74 marker 30 Comment
  UC1223187  Micropus californicus var. californicus Joseph P. Tracy 1942-7-1 17360 Humboldt along Van Duzen River (opposite Buck Mountain); along Van Duzen River, Dinsmore's 762 Comment
  CAS-BOT-BC322621  Microseris Milo S. Baker 1927-8-21 2488 a Humboldt Near Baldt Mt. 914 Comment
  UC1223203  Microseris bigelovii Joseph P. Tracy 1938-5-31 18014 Humboldt near Alder Point (along road to Harris, 1 mi sw) Comment
  CAS-BOT-BC349238  Microseris nutans L. R. Abrams 1918-6-15 7124 Humboldt Brannan Mt near Willow Creek 1371 Comment
  HSC57315  Microseris nutans Griswold, Butler 1979-7-10 6335 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  UC1199450  Microseris nutans Joseph P. Tracy 1933-7-25 12886 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC98611  Microsteris gracilis var. gracilis C. Witte 2007-5-10 15 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1552 Comment
  HSC98700  Mimulus alsinoides Cara Witte 2007-5-22 82 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1392 Comment
  SEINET7879020 Image available Mimulus aurantiacus C. C. Harris, S. K. Harris 1936-1 681 Humboldt Open hillside above Carlotta, elevation about 200 feet, Humboldt County, California. 1 Comment
  HSC20687  Mimulus aurantiacus var. aurantiacus R. Spellenberg 1965-6-14 1136 Humboldt Hwy. 299, 1 mi. E of Blue Lake Comment
  UC582605  Mimulus breweri Joseph P. Tracy 1932-7-10 10375 1/2 Humboldt Trinity Summit 1584 Comment
  HSC20704  Mimulus cardinalis Paul Shields 1955-8-12 Humboldt 1/2 mi. N of Miranda Comment
  UC1196774  Mimulus dentatus J. P. Tracy 1901-6-10 1126 Humboldt Forest Park Eureka 0 Comment
  UC1191884  Mimulus grandis Malcolm A. Nobs, S. Galen Smith 1949-8-3 1192 Humboldt southern outskirts Eureka Comment
  UC444807  Mimulus kelloggii Joseph P. Tracy July, 1908 2760 Humboldt near Low Gap (ridge between Van Duzen River and Mad River) 914 Comment
  HSC73736  Mimulus moschatus M. A. Baker 1980-7-22 3090 Humboldt Near Grogan Hole. 1676 Comment
  RSA80459  Mimulus moschatus var. sessilifolius F. W. Peirson 1926-7-12 7038 Humboldt Orick. Comment
  UC582442  Mimulus pilosus Joseph P. Tracy 1925-11-1 7300 Humboldt Shively; on river bar 60 Comment
  UC1103330  Mimulus primuloides Doris Kildale Aug. 1925 Humboldt Waterdog Lake Trinity Summit 1828 Comment
  SEINET6904195  Minuartia californica Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  UC1103537  Minuartia californica Joseph P. Tracy 1918-5-1 4908 Humboldt Lawrence Creek Hill Northern Coast Ranges, Kneeland Prairie (top) 762 Comment
  CAS-BOT-BC174683  Minuartia cismontana H. E. Parks; J. P. Tracy 1930-5-25 0866 Humboldt Laribee Valley, Eastern Humboldt Co. 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
  HSC55867  Mitella trifida G. L. Clifton, Griswold 1979-7-25 10889 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  JEPS49672  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC48742  Moehringia macrophylla Brad Klipfel 1973-6-10 67 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC74621  Moehringia macrophylla M. A. Baker 1980-5-17 1252 Humboldt Near Le Perron Peak 1066 Comment
  HSC96209  Moehringia macrophylla Rick Lindquist, C. Riley 2005-6-3 2 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1205 Comment
  UC1198328  Moehringia macrophylla Mrs. Emma N. Cathey 1939-4-16 Humboldt on Bull Creek-Mattole Road Panther Gap; , on Bull Creek-Mattole Road 762 Comment
  JEPS63389  Monardella odoratissima subsp. pallida Joseph P. Tracy Jul 16 1930-Jul 19 1930 8911 Humboldt South Fork Mountain near Camp McKay. Northern Coast Ranges 1676 Comment
  HSC40852  Monardella odoratissima subsp. pallida Thomas W. Nelson 1976-7-9 2997 Humboldt Along W side of ridge S of E peak of Lassic Mtn., (Signal Peak). 1524 Comment
  HSC34741  Monardella villosa Thomas W. Nelson 1974-7-19 1674 Humboldt McKeown Ranch N of Dinsmore Comment
  JEPS63367  Monardella villosa subsp. villosa W. L. Jepson 1936-8-12 17883 Humboldt Philipsville South Fork Eel River. Comment
  UC479138  Monardella villosa subsp. villosa Marcus E. Jones, A. M. 1931-7-16 28821 Humboldt Junction, East of Arcata Comment
  UC577342  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15428 Humboldt Vicinity Garberville 121 Comment
  UCD125294  Monardella villosa var. tomentosa D. Wiesendanger; F. Randall 1926-7-1 1547 Humboldt Richardson Grove, Redwood Highway. Comment
  JEPS14830  Monotropa hypopitys W. L. Jepson 1902-6 1946 Humboldt woods near Green Pt. Ranch; Hupa Road Comment
  HSC20905  Monotropa uniflora Dr. H. Baer Aug 1971 Humboldt Redwood Acres, Eureka, CA Comment
  HSC70951  Montia linearis J. M. DiTomaso 1981-5-15 2007 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  SEINET3025745  Montia linearis Joseph P. Tracy 1913-5-4 4067 Humboldt Kneeland Prairie 760 Comment
  SD40075  Morella californica Edith A. Purer 1932-7-27 4134 Humboldt Samoa Comment
  POM17167  Myrica californica J. B. Feudge 1923-8-1 50 Humboldt Fortuna 30 Comment
  POM280267  Myrica californica Lyman Benson 1930-7-18 2191 Humboldt Shively, seaward north coast Mt. range, Eel River. 46 Comment
  UC502985  Myrica californica Joseph P. Tracy 1930-5-18 8698 Humboldt Rohnerville Golf Course Northern Coast Ranges, Rohnerville Golf Course 152 Comment
  UC722454  Myrica californica C. L. Hitchcock 1939-7-14 5437 a Humboldt bluffs facing sea at Shelter Cove Comment
  HSC77886  Myriophyllum aquaticum Jim McBride 1978-5-11 546 Humboldt McKinleyville, behind Bigfoot Gas Station Comment
  CAS-BOT-BC515985  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  HSC6891  Nasturtium officinale Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC6871  Nasturtium officinale D. E. Anderson 1961-9-13 1815 Humboldt Trinidad Beach Comment
  UC52826  Navarretia divaricata subsp. vividior Chesnut and Drew 1888-7-23 Humboldt Hyampum Comment
  UC908394  Navarretia divaricata subsp. vividior Joseph P. Tracy 1934-7-9 13326 Humboldt n of Bell Springs; Northern Coast Ranges, Chamise Mt. 1066 Comment
  UC1222721  Navarretia intertexta Joseph P. Tracy 1950-6-23 18860 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC133919  Navarretia intertexta Harley P. Chandler Jun 1901 1411 Humboldt Klamath River North Coast Ranges 243 Comment
  UC60881  Navarretia intertexta Harley P. Chandler Jun 1901 1392 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC100597  Navarretia intertexta Carl C. Marshall Jun 1887 455 Humboldt Jewett Creek hills. Comment
  HSC35861  Navarretia mellita Thomas W. Nelson, James Nelson 1975-8-5 2132 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  UC1198518  Navarretia viscidula Joseph P. Tracy 1942-7-18 17287 Humboldt Garberville 152 Comment
  HSC13570  Nemophila heterophylla Doris K. Kildale 1926-4-25 1802 Humboldt Willow Creek Flat 152 Comment
  UC1116246  Nemophila menziesii Joseph P. Tracy 1948-5-31 17996 Humboldt Harris 609 Comment
  UC67069  Nemophila menziesii var. atomaria H. P. Chandler 1276 Humboldt Hupa Mts. Comment
  HSC34946  Nemophila menziesii var. atomaria Robert M. Specht 1975-4-9 120 Humboldt 2 3/4 mi. N of Trinidad at Scotty Point 30 Comment
  HSC57706  Nemophila parviflora G. L. Clifton, Griswold 1979-7-25 10955 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC1239746  Nemophila parviflora Joseph P. Tracy 1906-4-15 2409 Humboldt near Anderson's Ranch (Bald Mt., region about Humboldt Bay, Northern Coast Region); Northern Coast Region, Humboldt Bay region, Bald Mt. 0 Comment
  UC198617  Nicotiana attenuata Joseph P. Tracy 1916-9-5 4763 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  UC198618  Nicotiana quadrivalvis Joseph P. Tracy 1916-9-5 4764 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  UCD110212  Notholithocarpus densiflorus Joseph P. Tracy 1948-9-20 18224 Humboldt Willow Creek Canyon, along Trinity Highway. 457 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
  CAS-BOT-BC142296  Oemleria cerasiformis Doris K. Kildale 1926-3-2 1862 Humboldt Willow Creek Flat, Trinity River Valley 152 Comment
  HSC22513  Oemleria cerasiformis D. E. Anderson 1965-4-24 3536 Humboldt Along Titlow Hill Rd. 2 mi. from its junction with Hwy. 299 Comment
  HSC79334  Oemleria cerasiformis D. H. Norris 1970-5-20 12218 Humboldt Crest of Big Hill Rd. E of Hoopa Comment
  JEPS15792  Oenanthe sarmentosa Joseph P. Tracy 1924-9-28 6910 Humboldt Centerville Northern Coast Ranges, Centerville 6 Comment
  UC1197136  Oenanthe sarmentosa Joseph P. Tracy 1932-9-17 10802 Humboldt Arcata Bottom 15 Comment
  RSA246755  Oenanthe sarmentosa R. F. Thorne, P. Everett 1965-8-9 35318 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC16523  Oenothera glazioviana David K. Smith 1968-11-20 68 Humboldt At jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  UC249847  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1924-7-4 6708 Humboldt Snow Camp Northern Coast Ranges 1371 Comment
  RSA0070495  Orobanche californica subsp. californica Edward Lee 1934-8-17 1152 Humboldt East shore of Big Lagoon, 35 miles north of Eureka. 3 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
  UC1197450  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1908-6 2881 Humboldt Valley of Van Duzen River, opposite Buck Mountain. Comment
  HSC54894  Orthilia secunda G. L. Clifton, Griswold 1979-7-25 10935 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  RSA202254  Orthocarpus erianthus var. gratiosus L. D. Thurman 1965-4-8 626 Humboldt 4.4 miles S of Samoa, growing along the roadside in sandy soil Comment
  HSC56304  Osmorhiza berteroi Overton, Butler 1979-8-2 12611 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS14168  Osmorhiza berteroi Lincoln Constance 1934-5-26 649 Humboldt near Founder's Tree; South Fork Eel River, Bull Creek Region, North Dyerville, Fl 48 Comment
  RSA430437  Osmorhiza berteroi Lyman Benson 1928-7-10 405 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  UC1222753  Osmorhiza occidentalis Joseph P. Tracy 1950-6-25 18887 Humboldt Burr Valley Buck Mountain (nw slope of mt.) 1066 Comment
  SD73188  Osmorhiza purpurea Darley F. Howe 1969-6-4 4627 Humboldt 14.6 miles east of Alton on number 36. 89 Comment
  UC1197418  Oxalis albicans subsp. pilosa Joseph P. Tracy 1927-4-2 7872 Humboldt Philipsville North Coast Ranges (South Fork of Eel River) 121 Comment
  UC1212178  Oxalis oregana H. E. and S. T. Parks 1945-4-1 Humboldt Spruce Cove Trinidad 0 Comment
  CAS-BOT-BC318149  Packera bolanderi var. bolanderi Albert Kellogg; W. G. W. Harford 1868-9 537 Humboldt unspecified Comment
  CAS-BOT-BC318150  Packera bolanderi var. bolanderi J. Burtt Davy; W. C. Blasdale 1899-6-12 5453 Humboldt near Elk Prairie Comment
  UC1145218  Panicum acuminatum var. acuminatum Joseph P. Tracy 1942-7-18 17286 Humboldt 1/2 mi ne Garberville; ne of Garberville 304 Comment
  RSA10050  Panicum capillare Joseph P. Tracy 1930-10-12 9207 Humboldt Eel River, Alton to Fortuna Comment
Read comments Oct 2 2011
  SEINET10609310  Panicum capillare var. brevifolium A. Arthur Heller 1924-7-20 Heller 13864 Humboldt Occasional in sand along the El River at Phillipsville, in the redwood belt. Comment
  RSA10048  Panicum miliaceum Joseph P. Tracy 1931-9-7 9639 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  RSA54133  Panicum oligosanthes var. scribnerianum Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River, near Boyce Creek Orleans region Comment
  UC1145036  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  RSA246893  Parapholis incurva R. F. Thorne, P. Everett 1965-8-8 35274 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  JEPS15156  Parentucellia viscosa H. L. Person 1932-7-18 Humboldt Freshwater; Eureka Quad. Comment
  CDA6382  Parentucellia viscosa T. C. Fuller 1958-6-17 601 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC12783  Parentucellia viscosa M. J. Athey 1970-10-10 6 Humboldt Along old road to Trinidad, 0.5 mi. N of Moonstone Beach, Trinidad Comment
  POM160894  Paspalum distichum Joseph P. Tracy 1918-9-29 5108 Humboldt South Fork of Eel River, 4 mi above the mouth 61 Comment
  HSC98075  Paxistima myrsinites Cara Witte 2007-7-12 525 Humboldt Forest Service Road 5N10C. Approximately 1 mile south for intersection with Ammon Ridge Road. 1252 Comment
  HSC99423  Paxistima myrsinites K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-1 72 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
  UC1222432  Pedicularis groenlandica Joseph P. Tracy 1925-7-5 7180 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC67770  Pellaea andromedifolia Stuart K. Harris 1960-7-11 21651 Humboldt 3.8 miles west of Redwood on road to Briceland Comment
  JEPS19083  Pellaea brachyptera Joseph P. Tracy 1937-7-24 15516 Humboldt Devil's Hole Trinity Summit 1676 Comment
  UCD137663  Pellaea brachyptera Freed W. Hoffman 1949-7-15 3007 Humboldt Mount Lassic area a little south of Blue Ridge; Mule Slide. Comment
  CHSC63423  Penstemon anguineus Vernon H. Oswald 1994-6-29 6362 Humboldt Titlow Hill Rd. (Forest Rd. 1) 10.8 mi S of Hwy. 299, 0.6 mi S of Friday Ridge Rd., S of Willow Creek. 1548 Comment
  RSA43896  Penstemon anguineus H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  HSC98766  Penstemon anguineus Cara Witte 2008-6-27 762 Humboldt Along National Forest 1 near Kinsey Ridge. 1/2 mile north of cattle guard. 1397 Comment
  HSC98846  Penstemon anguineus Cara Witte 2007-7-19 547 Humboldt Ammon Ridge Road. 1.2 miles east of intersection with National Forest 1. 1500 Comment
  UCR131735  Penstemon azureus C. B. Wolf 1937-8-13 09220 Humboldt North Coast Range, 8 miles east of Hoopa Valley on new road toward Trinity Summit 1475 Comment
  JEPS11631  Penstemon laetus var. sagittatus Joseph P. Tracy 1933-7-25 12827 Humboldt Horse Mountain 1432 Comment
  HSC55750  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10282 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC21104  Penstemon rattanii J. P. Tracy 1906-6-10 2480 Humboldt Kneeland Prairie 762 Comment
  HSC35941  Penstemon rattanii Thomas W. Nelson, Jane Nelson, James Nelson 1975-7-15 2025 Humboldt Beside Bald Hills Rd., just E of Redwood National Park Comment
  JEPS26255  Penstemon rattanii Arthur E. Connick 1925-6-1 Humboldt hills near Stone Lagoon; hills near Stone Lagoon 60 Comment
  UCD137766  Pentagramma triangularis M. Wiesendanger 1928-4-7 909 Humboldt Redwood Highway, Lane's Redwood Flat. Comment
  HSC37502  Pentagramma triangularis J. D. Ackerman 1974-5-25 264 Humboldt 0.25 mi. S of Lufenholtz Beach off Scenic Dr. between Moonstone and Trinidad Comment
  UCD137780  Pentagramma triangularis K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 457 Comment
  CAS-BOT-BC71617  Pentagramma triangularis subsp. triangularis Doris K. Kildale 1927-7-3 3650 Humboldt Willow Creek Flat Comment
  UC1051573  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1948-9-26 18235 Humboldt Boynton Prairie Fickle Hill (edge, 6 mi se of Arcata) 609 Comment
  UC1389971  Perideridia kelloggii T. I. Chuang, A. Weston, and I. Fukuda 1963-7-4 5877 Humboldt 1 mi s Klamath River (near Willow Creek) Comment
  UC1389995  Perideridia oregana T. I. Chuang and R. S. Mitchell 1965-6-30 6002 Humboldt Grouse Mountain; on Clear Lake Rd. Comment
  HSC75957  Perideridia parishii subsp. latifolia Overton, Butler 1979-7-24 9743 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  RSA167253  Petasites palmatus Joseph P. Tracy 1947-2-23 17670 Humboldt Van Duzen River, near Grizzly Creek. 91 Comment
  UCR13417  Petasites palmatus T. Wetherwax 1973-4-1 730401- 2 Humboldt Old U.S. Hwy 101, just north of Myer's Flat. 152 Comment
  CDA20465  Petrorhagia dubia P. Haggard 2003-9-15 PDR 1285905 Humboldt Northwestern California; Klamath River near Orleans. 0 Comment
  HSC76574  Phacelia bolanderi Denis Kearns 1981-7-8 142 Humboldt Near Bluff Creek 622 Comment
  JEPS1443  Phacelia bolanderi W. L. Jepson 1902-6 1910 Humboldt Hubbard's Station to Camp Grant (cliffs of river); Eel River 60 Comment
  UC1586868  Phacelia bolanderi Juha Pykala and D. H. Norris 1987-6-10 1510 Humboldt on a road to Onion Lake about 18 mi from Highway 96; Six Rivers National Forest Comment
  HSC103089  Phacelia corymbosa Sydney Carothers 2014-6-22 4 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  UC175732  Phacelia egena Joseph P. Tracy 1913-6-13 4112 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  JEPS1201  Phacelia malvifolia Joseph P. Tracy 1927-6-8 8118 Humboldt TRINIDAD Comment
  RSA134090  Phacelia nemoralis subsp. oregonensis L. R. Heckard 1952-5-13 275 Humboldt Above the South Fork of the Eel River, about w miles S of the Humboldt County line. Redwood and Madrone area along U.S. 101. Comment
  UC562570  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1936-6-9 14876 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UC1051815  Phacelia nemoralis subsp. oregonensis C. R. Bell May, 1951 1098 Humboldt bank below US Hwy 101 2.9 mi n Mendocino County line Comment
  HSC102194  Phacelia procera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1108 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  JEPS1045  Phacelia rattanii Joseph P. Tracy 1923-6-20 6305 Humboldt White Thorn Valley 304 Comment
  CAS-BOT-BC76557  Philadelphus lewisii Joseph P. Tracy 1938-6-9 15872 Humboldt Dobbyin Creek 152 Comment
  CAS-BOT-BC76566  Philadelphus lewisii Doris K. Kildale 1927-7-2 3661 Humboldt Redmond Creek at Berry's 289 Comment
  JEPS49601  Philadelphus lewisii W. L. Jepson 1902-7-1 1964 Humboldt Hupa Road Redwood Creek Comment
  UC666825  Philadelphus lewisii Joseph P. Tracy 1937-6-20 15355 Humboldt ten mi up stream from mouth; Bear River 152 Comment
  RSA0046048  Philadelphus lewisii Marcus E. Jones 1931-7-16 s.n. Humboldt Junction, East of Arcata. Comment
  SEINET12219858  Philadelphus lewisii subsp. californicus L. K. Henry 1971-1 s.n. Humboldt along Rt. 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  CAS-BOT-BC250882  Phleum pratense Doris K. Kildale 1925-8-21 1309 Humboldt Head of Yager Creek 914 Comment
  JEPS79942  Phlox adsurgens Joseph P. Tracy 1932-7-13 10488 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC1191121  Phlox douglasii subsp. rigida Joseph P. Tracy 1932-7-18 10699 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  UC1541553  Phlox gracilis H. E. Parks, J. P. Tracy 1930-5-25 795 Humboldt Laribee Valley 762 Comment
  CAS-BOT-BC141270  Phoradendron serotinum subsp. tomentosum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC666856  Physocarpus capitatus Joseph P. Tracy 1935-6-23 13990 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC78144  Picea breweriana Henry M. Pollard 1947-9-1 s.n. Humboldt North side of Somes Peak nr. Orleans 1618 Comment
  CAS-BOT-BC78202  Picea sitchensis Carl B. Wolf 1927-8-29 1202 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, [Mt.Glen] Mt. Glen Comment
  RSA2205  Picea sitchensis C. B. Wolf 1930-10-28 s.n. Humboldt 5 miles S of Ferndale on road to Petrolia. 152 Comment
  UC484045  Picea sitchensis Carl B. Wolf 1930-10-28 Humboldt 5 mi s Ferndale (on road to Petrolia) 152 Comment
  CAS-BOT-BC78377  Pinus contorta Ira L. Wiggins 1930-6-25 4620 Humboldt 2 miles north of Samoa Comment
  POM319583  Pinus contorta var. contorta Patricia Wilder 1968-8-21 4408 Humboldt Northern coastal arm of Humboldt Bay, ca. 1 mile SW of Samoa, in sand dunes. 15 Comment
  HSC72802  Pinus monticola Gail Newton 1980-6-16 160 Humboldt Near Monks Camp. 1097 Comment
  CAS-BOT-BC78978  Pinus muricata William R. Dudley 1899-6-28 s.n. Humboldt the Humboldt Bay [peninsula] Peninsula opposite Eureka (near sea-level) Comment
  UC551328  Pinus muricata Charles T. Berg 1936-8-8 Humboldt Moonstone Beach Arcata, Moonstone Beach Comment
  UC1196429  Piperia transversa Joseph P. Tracy 1936-8-8 15119 Humboldt head of Hors-Linto Creek Trinity Summit 1463 Comment
  HSC48719  Pityopus californicus M. A. Baker 1979-6-8 807 Humboldt S side of Gan's Prairie. Bulk Collection 166 Comment
  HSC65967  Pityopus californicus M. A. Baker 1980-7-20 3043 Humboldt Near Bell Swamps 11 Comment
  CAS-BOT-BC227991  Plagiobothrys Doris Kildale 1931-5-10 10565 Humboldt Snow Camp Comment
  UC1222229  Plagiobothrys bracteatus Joseph P. Tracy 1948-6-13 18031 Humboldt on Larrabee Creek Road around pool (halfway between Bridgeville and Blocksburg) Comment
  UC1239621  Plagiobothrys nothofulvus Joseph P. Tracy 1939-4-29 16235 Humboldt near Weitchpec (along Trinity River); along Trinity River 121 Comment
  UC1222216  Plagiobothrys reticulatus Joseph P. Tracy 1946-5-30 17541 Humboldt open flat by old Strong's District School House (5 mi e of town, Carlotta, Riverside Park); Carlotta, Riverside Park 60 Comment
  JEPS60969  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1904-7-4 2111 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS60974  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1918-7-5 5010 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC1196138  Plantago erecta Joseph P. Tracy 1938-7-12 16057 Humboldt Table Bluff, w of light house Table Bluff 6 Comment
  HSC73154  Plantago lanceolata M. A. Baker 1980-5-18 1301 Humboldt Near Black Mtn. 1006 Comment
  HSC69585  Plantago lanceolata R. Kalal 1980-7-20 90 Humboldt .2 mi. N of Arcata Marsh project 2 Comment
  JEPS79897  Platanthera leucostachys Joseph P. Tracy 1933-7-25 12842 Humboldt in bog Grouse Mountain 1524 Comment
  UC1196416  Platanthera sparsiflora Joseph P. Tracy 1926-6-27 7671 Humboldt House Mountain Northern Coast Ranges 1463 Comment
  UC666988  Platanthera sparsiflora Joseph P. Tracy 1930-7-17 8990 Humboldt McKay Camp South Fork Mountain 1676 Comment
  UC1196297  Platystemon californicus H. E. Parks and Joseph P. Tracy 1930-5-25 8718 Humboldt Larrabee Valley; Northern Coast Ranges, Larrabee Valley 670 Comment
  CAS-BOT-BC91635  Platystemon californicus Joseph P. Tracy 1932-6-26 10266 Humboldt Northern Coast Region.. Valley of South Yager Creek. 762 Comment
  HSC69774  Platystemon californicus R. Kalal 1979-5-28 63 Humboldt Along Samoa Blvd. 6 Comment
  SEINET780341  Plectritis M. A. Baker 1980-3-7 1151 Humboldt confluence of Pine and Burndt Ranch Creeks Comment
  JEPS4804  Plectritis brachystemon Joseph P. Tracy 1936-5-29 14823 1/2 Humboldt French Camp Ridge 1066 Comment
  JEPS4813  Plectritis brachystemon Joseph P. Tracy 1933-5-20 12250 1/2 Humboldt Northern Coast Ranges, Mattole Valley Mattole Valley; Northern Coast Ranges, Mattole Valley 60 Comment
  UC602508  Plectritis brachystemon Joseph P. Tracy 1933-5-20 12250 Humboldt Northern Coast Ranges, Mattole Valley Mattole Valley; Northern Coast Ranges, Mattole Valley 60 Comment
  UCSC000724  Plectritis congesta var. congesta S. C. Dyal 1938-6-11 651 Humboldt Moist places beside road east of Eureka Comment
  HSC70751  Pleuricospora fimbriolata R. York 1980-5-17 532 Humboldt Near Le Perron Peak 1066 Comment
  RSA255770  Pleuricospora fimbriolata Gary D. Wallace 1973-6-18 1235 Humboldt Prairie Creek Redwoods St. Pk. north of Orick. Comment
  HSC10612  Pleuropogon refractus L. M. Malloy 1965-5-15 37 Humboldt 2 mi. N of Trinidad on Trinity St. Comment
  HSC73731  Poa bolanderi M. A. Baker 1980-7-19 3009 Humboldt Near Bret Hole. 1814 Comment
  HSC73248  Poa bulbosa M. A. Baker 1980-5-18 1312 Humboldt Near Black Mtn. 1006 Comment
  RSA10140  Poa compressa Joseph P. Tracy 1927-7-3 8224 Humboldt Fieldbrook 61 Comment
  POM126516  Poa confinis Joseph P. Tracy 1922-5-28 6056 Humboldt Little River Beach 6 Comment
  UC205645  Poa douglasii Joseph P. Tracy 1917-5-30 4804 Humboldt sand dunes of Ocean Beach at Little River Comment
  UC665695  Poa douglasii H. E. Parks May, 1934 4805 Humboldt Little River Lagoon Comment
  RSA10047  Poa howellii Joseph P. Tracy 1929-7-4 8619 Humboldt French Camp Ridge 1067 Comment
  UC39617  Poa kelloggii Harley P. Chandler May, 1901 1183 Humboldt near Eureka; North Coast Ranges, region about Humboldt Bay 30 Comment
  UC525619  Poa kelloggii Joseph P. Tracy 1926-5-22 7504 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  HSC10692  Poa macrantha J. W. Johnson 1961-9-10 1111 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  LA12558  Poa macrantha S. K. Harris; 1936-6-15 3383 Humboldt Trinidad Head Comment
  HSC26627  Poa pratensis J. P. Smith, Steve Selva 1970-6-30 4104 Humboldt Comment
  HSC74757  Poa pratensis Gail Newton 1981-7-24 2307 Humboldt Near Chaparral Mtn. 1433 Comment
  UC552763  Poa pratensis subsp. pratensis Joseph P. Tracy 1935-6-23 13987 Humboldt French Camp Ridge 1066 Comment
  UCD90446  Poa secunda R. Tofsrud 1948-9-1 s.n. Humboldt Road junction near summit of Horse Mt. 1463 Comment
  RSA10114  Poa trivialis Joseph P. Tracy 1926-6-12 7587 Humboldt near Quick at Davison's Ranch. 61 Comment
  BLMAR18  Poa unilateralis Brad Barr June, 1982 18 Humboldt King range, Barksdale Table Comment
  SEINET2474044 Image available Poa unilateralis Joseph P. Tracy 1910-4-24 3124 Humboldt Sand dunes of Ocean Beach at Humboldt Bay. Comment
  CAS-BOT-BC244297  Podagrostis humilis Joseph P. Tracy 1935-7-27 14281 Humboldt Trinity Summit. Corral Prairie 1584 Comment
  CAS-BOT-BC244298  Podagrostis humilis Joseph P. Tracy 1930-7-16 8989 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  JEPS62463  Pogogyne serpylloides Joseph P. Tracy 1921-6-12 5829 Humboldt Butler Valley 152 Comment
  RSA75592  Polygala californica Albert M. Vollmer, L. Beane 1951-6-6 127 Humboldt On road between Orick and Weitchpec. Comment
  UC55943  Polygonum aviculare subsp. aviculare J. P. Tracy 1901-7-28 1219 Humboldt Immediate vicinity of Eureka 0 Comment
  RSA12549  Polygonum bistortoides Carl B. Wolf 1934-7-2 5889 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  SEINET3405167 Image available Polygonum californicum Joseph P. Tracy 1929-8-18 8654 Humboldt Along Van Duzen River, Opposite Buck Mountain Comment
  HSC56170  Polygonum douglasii G. L. Clifton, Griswold 1979-8-1 12063 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UCD100265  Polygonum douglasii Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain. 1432 Comment
  RSA466318B  Polygonum douglasii Thomas W. Nelson, James Nelson 1976-7-28 3057 Humboldt Growing on meadow along 2E27 just N of its Jct. 1S07 1524 Comment
  UC672935  Polygonum douglasii Joseph P. Tracy 1932-8-21 10366 Humboldt Three Cabins North Coast Ranges, Chararral Mountain (w foothills of mt.) 457 Comment
  UC175841  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1912-7-31 3939 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1676 Comment
  UC205478  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1919-9-18 5236 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UC672934  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1939-10-29 16520 Humboldt Kneeland Prairie 822 Comment
  HSC49614  Polygonum paronychia R. York 1979-5-18 296 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  JEPS50609  Polygonum persicaria Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC74386  Polygonum polygaloides subsp. kelloggii M. A. Baker 1980-6-28 2504 Humboldt Near Mad River Buttes 1445 Comment
  CDA37208  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Near Trinidad; Patricks Point Drive at Seawood Drive, east of Hwy 101. Comment
  CAS-BOT-BC421010  Polygonum spergulariiforme Volney Rattan No date on label s.n. Humboldt Unspecified Comment
  HSC98570  Polygonum spergulariiforme Cara Witte 2007-9-14 647 Humboldt Forest Service Road 4N32. 4/10 mile north of intersection with Forest Service Road 4N32B. 1413 Comment
  SBBG34260  Polypodium scouleri M. Cady 1937-12-28 Humboldt Trinidad Comment
  HSC26462  Polypodium scouleri T. O. Osborne 1970-4-8 16 Humboldt Sugarloaf Rock, Cape Mendocino 61 Comment
  RSA689966  Polypodium scouleri Susan Hutchinson 1931-07 102 Humboldt Grade between Trinidad and Big Lagoon 15 Comment
  HSC59125  Polypogon australis Terry Roth 1979-4-28 17 Humboldt Glendale exit off of Hwy. 299, gravel road towards Mad River 30 Comment
  UC526770  Polypogon interruptus Joseph P. Tracy 1927-7-16 8261 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC233069  Polypogon interruptus W. A. Silveus 1938-7-9 2961 Humboldt Along road through Redwoods, S of Dyerville Comment
  SEINET10602409  Polypogon interruptus Joseph P. Tracy 1912-6-27 Tracy 3709 Humboldt At Eureka. 0 Comment
  HSC10833  Polypogon maritimus J. P. Tracy 1933-7-20 12811 Humboldt Along Mad River, near Blue Lake. 15 Comment
  RSA46871  Polypogon monspeliensis Doris K. Kildale 1927-6-25 3546 Humboldt Shelter Cove. Comment
  UCD91354  Polypogon monspeliensis A. H. Murphy 1948-5-1 s.n. Humboldt Blocksburg-Alderpoint road, 3 miles from Alderpoint. Comment
  HSC54599  Polystichum munitum Overton, Butler 1979-7-24 9679 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC41354  Polystichum munitum Brad Klipfel 1974-8-2 508 Humboldt Horse Mtn., along Horse Mtn. Creek Comment
  JEPS33235  Polystichum munitum Lincoln Constance 1934-6-11 850 Humboldt S Fork Eel River Comment
  RSA693324  Polystichum munitum Anstruther Davidson 1923-8-10 17059 Humboldt Near Bridgeville Comment
Read comments Jul 4 2013
  UC668002  Populus trichocarpa Joseph P. Tracy 1938-11-26 16177 Humboldt on South Fork of Eel River between Miranda and Redway Sylvandale; North Coast Ranges, on South Fork of Eel River 91 Comment
  UC297845  Potamogeton foliosus H. E. Parks 1923-5-30 1758 Humboldt Eureka Comment
  UCSB24728  Potamogeton natans Keefe, Joseph 1967-7-8 Humboldt east side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka. 6 Comment
  UC1103479  Potamogeton pectinatus Joseph P. Tracy 1939-8-20 16432 Humboldt Big Lagoon 3 Comment
  CAS-BOT-BC454064  Potamogeton pusillus subsp. pusillus Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC454089  Potamogeton pusillus subsp. tenuissimus William Anderson 1964-8-4 s.n. Humboldt Shore Acres. McKinleyville Comment
  HSC100632  Potentilla anserina Carl C. Marshall Mar 1886 72 Humboldt Vicinity of Bay. Comment
  HSC62830  Potentilla anserina subsp. pacifica J. M. DiTomaso 1979-4-21 883 Humboldt Clam Beach Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  HSC28182  Potentilla anserina subsp. pacifica Richard Curtis 1973-9-27 17 Humboldt Arcata, on the N side of 7th St. just before it crosses the freeway. Comment
  HSC95655  Potentilla anserina subsp. pacifica Andrea Pickart 2002-4-22 52 Humboldt Lanphere Dunes, upper edge of Mad River Slough 10 Comment
  SD42346  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park Comment
  HSC57357  Potentilla gracilis var. fastigiata Overton, Butler 1979-7-26 10053 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  HSC75470  Potentilla gracilis var. fastigiata J. O. Sawyer 1980-7-18 3617 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC44447  Prosartes hookeri Brad Klipfel 1975-5-30 658 Humboldt N of Horse Mtn. Comment
  HSC100561  Prosartes menziesii Carl C. Marshall May 1886 51 Humboldt Damp woods. Comment
  HSC37366  Prosartes smithii Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 499 Humboldt Along Lost Man Creek. 38 Comment
  HSC66222  Prosartes smithii M. Sacks 1977-4-9 15 Humboldt Flat 30 yds. W of Klamath River at junction of Cavenaugh Creek with the river, 3 mi. NE of Weichpec 152 Comment
  HSC97301  Prosartes smithii M. Mesler 2007-5-15 750 Humboldt Bald Hills Rd., 18.8 mi. from Hwy. 101, N side of rd. 915 Comment
  HSC14302  Prunella vulgaris William J. Ferlatte, B. D. Rogers 1966-6-15 2093 Humboldt Near Bridgeville Comment
  HSC100508  Prunella vulgaris Carl C. Marshall Sep 1886 249 Humboldt Ravines, etc. Comment
  HSC26841  Prunella vulgaris Thomas W. Nelson 1971-1-8 321 Humboldt Ferndale next to Co. Fair Grounds Comment
  HSC59239  Prunella vulgaris Clark L. Miller 1978-5-13 1130 Humboldt Comment
  CDA40758  Prunella vulgaris subsp. lanceolata M. Pryor 1948-7-29 s.n. Humboldt 1 mile east of Loleta. 0 Comment
  UC1196726  Prunella vulgaris var. lanceolata Joseph P. Tracy 1914-5-14 4424 Humboldt Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC673114  Prunella vulgaris var. lanceolata Joseph P. Tracy 1940-9-26 16729 Humboldt Eureka 6 Comment
  RSA430228  Prunella vulgaris var. lanceolata G. F. Orr 1963-8-15 s.n. Humboldt Patrick Point State Park, near Trinidad Comment
  RSA46842  Prunus emarginata Doris K. Kildale 1927-7-22 3813 Humboldt Lasseck's Peaks Comment
  CAS-BOT-BC154740  Prunus virginiana var. demissa Doris K. Kildale 1926-5-16 1841 Humboldt Horse Mountain 792 Comment
  HSC99584  Pseudognaphalium canescens subsp. thermale K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 249 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  BLMAR110  Pseudognaphalium stramineum Jennifer Anthony-Wheeler 1994-9-8 110 Humboldt Samoa dunes, growing atop a knoll/dune with I the Samoa Pen. Rare plant area 15 Comment
  UC535777  Pseudotsuga menziesii Eleanor Armstrong 1934-8-15 1186 Humboldt Richardson Grove Richardson Grove (on hillslopes) 121 Comment
  CHSC19503  Pseudotsuga menziesii var. menziesii Wendell Wood 1970-9-22 295 Humboldt McKinleyville. East end of Chateau Way. 106 Comment
  UC1198276  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1922-10-22 6132 Humboldt between High Prairie and Snow Camp; Bald Mountain 1066 Comment
  UC673081  Psilocarphus brevissimus var. brevissimus Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16674 Humboldt Grouse Mt. 1554 Comment
  UC1222910  Psilocarphus oregonus Joseph P. Tracy 1946-5-30 17542 Humboldt 5 mi e Carlotta (by old Strong's District School House, Riverside Park nearby) 60 Comment
  UC582502  Psilocarphus tenellus Joseph P. Tracy 1937-6-20 15339 Humboldt 10.0 mi up stream mouth of Bear River; Bear River 152 Comment
  UC1223165  Psilocarphus tenellus Joseph P. Tracy 1948-6-13 18056 Humboldt 3 mi w Harris 762 Comment
  UC1223169  Psilocarphus tenellus Joseph P. Tracy 1950-6-8 18725 Humboldt 7 mi s Ferndale (near Mountain Glen Ranch); Summit of Bear River Ridge 609 Comment
  HSC54542  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-23 9526 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  HSC1162  Pteridium aquilinum var. pubescens R. F. Good 1962-5-23 21 Humboldt Surrounding Arcata 60 Comment
  JEPS79952  Pterostegia drymarioides Joseph P. Tracy 1933-5-20 12226 Humboldt s point of cape; Cape Mendocino 3 Comment
  SEINET199671  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-4-28 8549 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  UCD92960  Puccinellia pumila Joseph P. Tracy 1938-7-15 16073 Humboldt Mouth of Eel River. Comment
  HSC83331  Pyrola aphylla Ron Glick 1987-6-21 Humboldt Comment
  UC1197571  Pyrola asarifolia Edith Tracy 1898-7-1 248 Humboldt on Kneeland Prairie Road about 10 miles Esta of Eureka 457 Comment
  HSC17970  Pyrola asarifolia subsp. bracteata J. Wendell Howe 1930-6-28 Humboldt Kneeland Prairie, edge of Redwood Belt Comment
  JEPS66561  Pyrola dentata Joseph P. Tracy 1935-7-30 14356 Humboldt Salmon Summit 1767 Comment
  HSC41317  Pyrola picta Brad Klipfel 1974-9-2 535 Humboldt Horse Mtn. Comment
  HSC55231  Pyrola picta G. L. Clifton, Griswold 1979-8-2 12432 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1225818  Pyrola picta Joseph P. Tracy 1948-8-15 18148 Humboldt Trinity Summit, on ridge 2 miles east of Grove's Prairie 1524 Comment
  UC412733  Pyrola picta Harley P. Chandler Jun 1901 1524 Humboldt Klamath River 457 Comment
  UC1196363  Quercus X morehus Joseph P. Tracy 1916-6-19 4723 Humboldt North Fork of Dobbyn Creek Northern Coast Ranges 182 Comment
  HSC37825  Quercus chrysolepis Thomas W. Nelson, Jane P. Nelson 1976-2-21 2251 Humboldt Tish-Tang campground Comment
  HSC41321  Quercus chrysolepis Brad Klipfel 1974-9-2 526 Humboldt Horse Mountain Comment
  OBI36120  Quercus chrysolepis David J. Keil 1983-7-1 17275 Humboldt 2.5 mi NE of Honeydew along Bull Creek Flats rd Comment
  UC54680  Quercus chrysolepis P. E. Goddard 1901-7-13 58 Humboldt Hupa Comment
  UC419047  Quercus garryana H. E. Parks, J. P. Tracy 1930-9-15 764 Humboldt Bald Hills Kneeland Comment
  UC275512  Quercus kelloggii Joseph P. Tracy 1923-9-10 6543 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  CDA22029  Quercus sadleriana G. J. Muth 1972-8-15 1845 Humboldt Near Big Hill Road. 167 mm from bottom margin, 258 mm from left margin. Comment
  UCD47219  Quercus sadleriana Hilda W. Grinnell 1932-7-9 4 Humboldt Found only at this point. On rocky point above Kerlin Creek, South Fork Mt. 1524 Comment
  CAS-BOT-BC104538  Quercus vacciniifolia D. E. Breedlove 1961-7-4 648 Humboldt 7 miles W of Willow Creek on US 299 521 Comment
  HSC54519  Quercus vacciniifolia Overton, Butler 1979-7-23 9446 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  UC902026  Quercus vacciniifolia Joseph P. Tracy 1949-8-26 18526 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC379198  Ranunculus aquatilis var. aquatilis C. C. Harris; S. K. Harris 1936-6-12 3363 Humboldt open woods, prairies and ledges on Chalk Mountain near Bridgeville Comment
  HSC18121  Ranunculus aquatilis var. diffusus D. E. Anderson 1965-6-1 3782 Humboldt Rd. to Brush Mtn., 0.25 mi. from Hwy. 299 Comment
  UC594250  Ranunculus aquatilis var. hispidulus C. C. and S. K. Harris 1936-6-12 3363 Humboldt near Bridgeville; Chalk Mountain Comment
  UC162833  Ranunculus californicus J. P. Tracy 1910-5-8 3132 Humboldt Eureka 0 Comment
  UC162876  Ranunculus californicus J. P. Tracy 1901-5-30 1107 1/2 Humboldt Immediate Vicinity of Eureka 0 Comment
  JEPS5884  Ranunculus flammula Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka 45 Comment
  UC552300  Ranunculus flammula Joseph P. Tracy 1934-7-13 13390 Humboldt Dow's Prairie 60 Comment
  BLMAR362  Ranunculus muricatus Clara Sander 2003-5-21 362 Humboldt South Spit, West side of road 9 Comment
  HSC18154  Ranunculus muricatus J. L. Baker 1965-4-10 35 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  UC1196232  Ranunculus occidentalis Joseph P. Tracy 1934-6-27 13263 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  POM126168  Ranunculus parviflorus W. Humboldt 1922-5-21 6053 Humboldt Blue Lake, locally common in depressions by roadside. 30 Comment
  POM311440  Ranunculus repens D. E. Breedlove 1962-6-7 3027 Humboldt [?] miles S of Southern city limits of Eureka of Hwy 101. 3 Comment
  RSA399439  Ranunculus repens R. S. Woglum 1938-8-29 2036 Humboldt State Park Grounds, S of Trinidad. Comment
  HSC71213  Ranunculus sardous Thomas W. Nelson, Doris K. Niles 1979-5-19 4696 Humboldt Tidal marsh at mouth of Eel River, Crab Park, N of County Park. Comment
  HSC56305  Ranunculus uncinatus Overton, Butler 1979-8-2 12613 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS42054  Rhamnus californica Lincoln Constance 1934-6-13 872 Humboldt just below Redwood Hwy. (e bank of South Fork Eel River, n Dyerville Flat); South Fork Eel River, Bull Creek Region, Dyerville Flat Comment
  UC902203  Rhamnus californica Joseph P. Tracy 1946-7-13 17616 Humboldt 5 mi e Carlotta (open flat by old Strong's District School House) 60 Comment
  UC592943  Rhamnus californica subsp. californica Carl B. Wolf 1931-8-31 Humboldt near Mouth of South Fork of Trinity River (on road to Sandy Bar Swimming Hole) 243 Comment
  UC709447  Rhamnus californica subsp. occidentalis Joseph P. Tracy 1941-9-4 17012 Humboldt along Trinity Highway Willow Creek Canyon 609 Comment
  RSA390632  Rhamnus purshiana Christopher Davidson 1973-5-29 2203 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  RSA698603  Rhamnus purshiana J. R. Bruff 1937-8-17 926 Humboldt Richardson Grove. Comment
  CAS-BOT-BC56611  Rhododendron macrophyllum Doris Kildale 1931-5-16 10694 Humboldt Camp 20, LBSJ Trinidad Comment
  UC1543140  Rhododendron occidentale Frank Gould, Kay Beach 1940-5-5 1041 Humboldt along coast near Trinidad Comment
  UC314636  Rhododendron occidentale Joseph P. Tracy 1926-6-27 7663 Humboldt Northern Coast Ranges, Horse Mountain Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  RSA0062953  Rhododendron occidentale var. californicum C. B. Wolf 1934-7-2 5905 Humboldt 4.5 miles from Snow Camp on road to Bald Mt (Mtns E of Korbel). 1067 Comment
  CAS-BOT-BC200381  Rhododendron occidentale var. paludosum G. A. Coleman 1901-7-20 s.n. Humboldt Near Arcata Comment
  CAS-BOT-BC200390  Rhododendron occidentale var. paludosum Carl B. Wolf 1927-8-28 1174 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Road to Blue Lake Comment
  RSA0063214  Rhododendron occidentale var. paludosum R. F. Thorne, Percy C. Everett 1965-8-7 35189 Humboldt Big Lagoon; at edge of bog at south end of lagoon. 2 Comment
  CAS-BOT-BC433130  Ribes Doris K. Kildale 1927-5-15 3298 Humboldt Petrolia Comment
  CAS-BOT-BC433135  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9558 Humboldt McClellan Hill near Bridgeville 609 Comment
  HSC53831  Ribes binominatum Griswold, Butler 1979-7-10 6279 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  JEPS49357  Ribes lacustre W. L. Jepson 1902-7-15 2030 Humboldt Mud Spring to Trinity Summit 1524 Comment
  UC667071  Ribes lacustre Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16664 Humboldt Friday Ridge road Grouse Mt. 1371 Comment
  CAS-BOT-BC176805  Ribes laxiflorum Alice Eastwood 1907-4-22 45 Humboldt Near [Orricks] Orick Comment
  UC56313  Ribes laxiflorum J. P. Tracy 1897-4-8 Humboldt Eureka Comment
  HSC20327  Ribes lobbii Francis Winter 1960-5-7 Humboldt NE end of Arbor Camp Ridge 915 Comment
  HSC38950  Ribes lobbii J. P. Smith, J. O. Sawyer 1975-6-22 8207 Humboldt Six Rivers National Forest, W of Goat Hill Comment
  UC1198925  Ribes lobbii Joseph P. Tracy 1936-8-8 15139 Humboldt ne Hawkins Bar.; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC173366  Ribes lobbii Volney Rattan 1882-6-1 s.n. Humboldt Coast Mts. North of San Francisco Bay Comment
  RSA0021132  Ribes lobbii Lincoln Constance, R. C. Rollins 1942-5-11 2864 Humboldt Near summit 8 miles east of Blue Lake. Comment
  RSA0021632  Ribes malvaceum L. R. Abrams, R. C. Bacigalupi 1922-6-25 8293 Humboldt Bluffs north of Big Lagoon. Comment
  CAS-BOT-BC212477  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt Ridges east of Corral Prairie, Trinity Summit, Klamath Mountains 1828 Comment
  JEPS79966  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt ridges e of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  UC205482  Ribes marshallii Joseph P. Tracy 1919-9-18 5229 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  CAS-BOT-BC206031  Ribes menziesii L. R. Abrams; R. Bacigalupi 1922-6-25 8289 Humboldt North of Big Lagoon near Orick Comment
  RSA0021765  Ribes menziesii Doris K. Kildale 1929-2-28 6949 Humboldt Humboldt State Teachers College, Arcata. Comment
  UC1198942  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18397 Humboldt Grouse Mountain 1584 Comment
  UCD102483  Ribes roezlii var. cruentum Roman Gankin; W. R. Hildreth 1966-3-15 697 Humboldt State Highway 96, 2 miles north of Weitchpec. 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
  CAS-BOT-BC212522  Ribes sanguineum C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CHSC19492  Ribes sanguineum B. D. Rogers 1965-4-1 411 Humboldt About 4 miles southeast of Arcata, along Jacoby Creek. Comment
  HSC56320  Ribes sanguineum Overton, Butler 1979-8-2 12659 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1541332 Image available Ribes sanguineum Harold E. Parks 1930-5-25 868 Humboldt Laribee Valley 762 Comment
  UC902055  Ribes sanguineum Joseph P. Tracy 1948-8-15 18133 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1554 Comment
  RSA0019527  Ribes sanguineum John H. Thomas 1949-6-13 914 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. East of town of Orleans. 1372 Comment
  RSA0019531  Ribes sanguineum R. D. Zortman 1963-4-7 17 Humboldt 5 miles NE of Arcata; south of the Mad River, off Warren Creek Rd. 91 Comment
  CAS-BOT-BC144692  Ribes sanguineum var. glutinosum Carl B. Wolf 1927-8-29 1191 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge-- Mt. Glen Comment
  CAS-BOT-BC144697  Ribes sanguineum var. glutinosum Doris K. Kildale 1928-7-29 5926 Humboldt Bear River at Capetown 15 Comment
  HSC40407  Ribes sanguineum var. glutinosum Linda M. Barker 1976-1-24 1311 Humboldt 3 mi. W of Arcata Comment
  HSC48065  Ribes sanguineum var. glutinosum Thomas W. Nelson 1978-4-23 3883 Humboldt N of Samoa Comment
  UCR179227  Ribes sanguineum var. glutinosum R. G. Swinney 1968-3-28 233 Humboldt East of Humboldt State College, Arcata 152 Comment
  RSA0018249  Ribes sanguineum var. glutinosum Doris K. Kildale 1927-3-24 2945 Humboldt Fleener Creek bluff. Comment
  HSC103221  Ribes sanguineum var. sanguineum Jade Paget-Seekins 2010-5-2 14 Humboldt Off 299 between Big Bar and Burnt Ranch. Up Forest Route 4 approx. 8 miles. At the turnoff towards Ironside Mountain. 1057 Comment
  HSC65697  Ribes sanguineum var. sanguineum J. P. Smith, J. O. Sawyer 1974-6-2 7653 Humboldt 1372 Comment
  HSC32267  Ribes viscosissimum J. O. Sawyer 1970-6-24 2276 Humboldt W of Mill Creek Lakes. 1677 Comment
  JEPS1248  Romanzoffia californica Joseph P. Tracy 1923-4-29 6196 Humboldt Kneeland Prairie 762 Comment
  HSC26346  Romanzoffia tracyi T. O. Osborne 1970-4-5 80 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC87236  Romulea rosea var. australis Thomas W. Nelson, Jane P. Nelson 1987-4-11 8421 Humboldt Beside county road that follows Bear River, 100 ft. from junction with Hwy. 1 at Capetown 8 Comment
  HSC12697  Rorippa curvisiliqua Jana Kattenhorn 1970-10-28 146 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  HSC6899  Rorippa curvisiliqua D. E. Anderson 1961-9-30 1844 Humboldt Divide Lake Comment
  CHSC19514  Rorippa nasturtium-aquaticum J. F. Knezevich 1968-5-14 433 Humboldt Collected 13 miles south of Ferndale at Cape Mendocino. -15 Comment
  UC667042  Rosa californica Joseph P. Tracy 1933-6-25 12617 Humboldt Camp Grant Eel River (along river) 60 Comment
  HSC49683  Rosa canina J. O. Sawyer, R. J. Cole 1977-7-3 3019 Humboldt Along Big Hill Rd. (8N01) at Mud Spring. Comment
  CAS-BOT-BC146482  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  CAS-BOT-BC146487  Rosa gymnocarpa Doris K. Kildale 1927-5-13 3176 Humboldt Redwood Creek at Berry's 289 Comment
  HSC49926  Rosa gymnocarpa Maralyn O'Meara 1974-7-11 540 Humboldt Kneeland; Barry Ridge Comment
  POM275420  Rosa gymnocarpa Lyman D. Benson 1928-7-8 376 Humboldt Weott Ranger Station. Seaward N Coast Mt. Range, S Fork Eel River. 61 Comment
  OBI5837  Rosa nutkana Carl B. Wolf 1931-8-28 2364 Humboldt 1.8 mi from Rohnerville on the road to Fortuna 30 Comment
  UC303027  Rosa nutkana var. nutkana Joseph P. Tracy 1923-10-28 6591 Humboldt Angels Ranch North Coast Ranges, Bald Mt. 457 Comment
  CAS-BOT-BC148222  Rosa spithamea Volney Rattan 1883-6-1 s.n. Humboldt Trinity River, Coast Mts. North of San Francisco Bay Comment
  HSC60308  Rubus armeniacus J. P. Smith, Steve Selva 1970-6-14 3850 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC709448  Rubus lasiococcus Joseph P. Tracy 1941-8-24 17042 Humboldt near McKay camp (South Fork Mountain); , near McKay camp 1676 Comment
  CAS-BOT-BC148386  Rubus leucodermis Doris K. Kildale 1927-5-13 3138 Humboldt Redwood Creek at Berry's 289 Comment
  HSC19650  Rubus leucodermis Paul Shields 1955-6-12 Humboldt 6 mi. W of Myers Flat Comment
  HSC19660  Rubus parviflorus D. B. Bader 1963-2-17 11 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  HSC97621  Rubus parviflorus Cara Witte 2007-6-5 212 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  UCSB30625  Rubus parviflorus Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca 1/2 - 3/4 mi in on dirt road from jct. with Fickle Hill Rd, ca 1/4 mi E of junction of Fickle Hill Rd and Park Av. Arcata Comment
  CAS-BOT-BC156720  Rubus spectabilis W. R. Dudley 1899-6-21 s.n. Humboldt Engelwood Brook - Eel River Comment
  HSC19681  Rubus spectabilis J. L. Baker 1965-4-13 50 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N bank Rd. Comment
  UC1199046  Rubus spectabilis Joseph P. Tracy 1931-4-12 9333 Humboldt near Blue Lake (Mad River (at Essex)); Northern Coast Region, Mad River 15 Comment
  RSA20972  Rubus spectabilis Carl B. Wolf 1937-6-15 8828 Humboldt Redwood Hwy. 1.2 mile S of Russ Grove. 61 Comment
  HSC61072  Rubus ursinus T. Jimerson, J. Pageau 1979-6-22 608 Humboldt Near Bee Mtn., close to the town of Orleans 656 Comment
  UC999203  Rubus ursinus H. E. Parks March 1941 Humboldt Spruce Cove , Spruce Cove (Trinidad) Comment
  UCR45827  Rubus ursinus Kenneth Clark 1980-4-18 593 Humboldt North Coast, Shelter Cove. On lower alluvial terrace of Dead Man's Gulch 24 Comment
  HSC104451  Rumex acetosella Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 26 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC79444  Rumex acetosella Kenneth Clark 1980-3-27 549 Humboldt Open areas and terraces above Dead Man's Gulch 107 Comment
  HSC17609  Rumex conglomeratus C. B. Wolf 1927-8-30 1231 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  HSC37419  Rumex crispus Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 515 Humboldt Along Lost Man Creek. 38 Comment
  HSC37577  Rumex crispus J. D. Ackerman 1975-6-10 452 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd. S of Manila Comment
  UC153978  Rumex occidentalis Joseph P. Tracy 1910-6-5 3148 Humboldt near Samoa; Northern Coast Region, Humboldt Bay Region 0 Comment
  UCD101361  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Trinity Summit. Box Camp. 1463 Comment
  UC55522  Rumex pulcher Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6111 Humboldt near Ferndale Comment
  UC1541397  Rumex salicifolius var. salicifolius Harold E. Parks 1934-8 5166 Humboldt Big Lagoon Comment
  UC672875  Ruppia cirrhosa H. E. Parks and Joseph P. Tracy 1928-9-8 8505 Humboldt Big Lagoon 3 Comment
  HSC100868  Rytidosperma penicillatum J. P. Smith Sep 2005 12151 Humboldt Trinidad Head. 61 Comment
  UC161048  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-4-30 2172 Humboldt sand dunes of Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  UC161047  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-5-2 2181 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UCD98453  Sagina maxima subsp. crassicaulis Joseph P. Tracy 1947-9-1 17927 Humboldt Big Lagoon. 6 Comment
  CDA15324  Salicornia perennis R. Spadoni 1998-10-5 s.n. Humboldt North Coast; Near Loleta. 0 Comment
  UC490587  Salix Joseph P. Tracy 1932-4-17 9798 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  UC490588  Salix Joseph P. Tracy 1932-4-17 9798 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC132669  Salix coulteri Joseph P. Tracy 1932-7-31 10286 Humboldt Eel River, Alton to Fortuna 15 Comment
  UC1173613  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14264 Humboldt meadows at Water Dog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC103824  Salix exigua L. R. Abrams; R. Bacigalupi 1922-6-25 8227 Humboldt 6 miles north of Garberville Comment
  RSA44504  Salix exigua H. M. Pollard 1947-8-21 s.n. Humboldt Klamath River [??] Boyle Creek. Orleans Region. Comment
  UC490572  Salix exigua Joseph P. Tracy 1932-9-3 10763 Humboldt Alton to Fortuna (opposite Fortuna); Northern Coast Region, Eel R. 15 Comment
  HSC19945  Salix exigua var. hindsiana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-17 1330 Humboldt Trinity River, near bridge on Trinity Hwy. 152 Comment
  UC481304  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 971 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  CAS-BOT-BC106860  Salix hookeriana W. J. Ferlatte 1967-6-13 1118 Humboldt Clam Beach Lagoon 6 Comment
  CAS-BOT-BC107724  Salix hookeriana Alice Eastwood 1923-8-14 12321 Humboldt Samoa Comment
  CAS-BOT-BC107734  Salix hookeriana Harold E. Parks; Susan T. Parks 1932-4-7 1103 Humboldt Little River Lagoon, Trinidad Comment
  CAS-BOT-BC107773  Salix hookeriana Harold E. Parks; Susan T. Parks 1932-4-7 1103 Humboldt Little River Lagoon, Trinidad Comment
  HSC20070  Salix hookeriana H. E. Parks, S. T. Parks 1931-8-20 1053 Humboldt Near Little River Lagoon Comment
  JEPS12908  Salix hookeriana Joseph P. Tracy 1927-3-13 7844 Humboldt mouth of Little River; Northern Coast Ranges 6 Comment
  JEPS12961  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  JEPS13089  Salix hookeriana Joseph P. Tracy 1936-10-24 15203 Humboldt Fortuna; bank of Eel River 15 Comment
  SBBG59110  Salix hookeriana H. E. Parks -Aug-1931 1053 Humboldt Little River Lagoon Comment
  SD936  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna, on banks of Eel River 10 Comment
  UC481393  Salix hookeriana Harold E. Parks 1931-3-24 912 Humboldt Fortuna Eel River (banks of river) 10 Comment
  UC490460  Salix hookeriana Joseph P. Tracy 1932-5-10 9949 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC492343  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC512090  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1217 Humboldt 1 mi s Samoa (pine barrens near coast) Comment
  RSA0034647  Salix hookeriana Harold E. Parks, Susan T. Parks 1932-4-7 01103 Humboldt Little River Lagoon, Trinidad. Comment
  CAS-BOT-BC128194  Salix lasiandra var. lasiandra Joseph P. Tracy 1933-7-16 12772 Humboldt South Fork Mountain, in wet meadow at McKay Camp 1676 Comment
  CAS-BOT-BC107104  Salix lasiolepis Joseph P. Tracy 1931-3-31 9695 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107579  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-12 1233 Humboldt Floodplain of the Van Duzen River, 1 1/2 miles east of Alton 30 Comment
  CAS-BOT-BC107585  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-12 1244 Humboldt Floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107602  Salix lasiolepis Joseph P. Tracy; Harold E. Parks 1933-3-19 11005 Humboldt On Van Duzen River, 2 miles west of Bridgeville 228 Comment
  CAS-BOT-BC107607  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-BC107619  Salix lasiolepis Doris K. Kildale 1927-3-22 2934 Humboldt Samoa Peninsula Comment
  HSC19990  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-27 1358 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  LA208776  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11006 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  POM161046  Salix lasiolepis Joseph P. Tracy 1926-9-19 7801 Humboldt Valley of S Yager Creek 762 Comment
  UC1196623  Salix lasiolepis Joseph P. Tracy 1932-10-12 10874 Humboldt Miranda Northern Coast Ranges, South Fork of Eel River 121 Comment
  UC469412  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek, at Berry's 274 Comment
  UC481313  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150 Comment
  UC481805  Salix lasiolepis H. P. Bracelin 1931-5-1 268 Humboldt Sylvandale, between Miranda and Meyers, South Fork of the Eel River Comment
  UC490553  Salix lasiolepis Joseph P. Tracy 1932-3-6 9774 Humboldt at mouth of Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC506378  Salix lasiolepis Joseph P. Tracy 1932-10-2 10858 Humboldt near Bair's; Northern Coast Ranges, Redwood Creek 213 Comment
  UC506403  Salix lasiolepis Joseph P. Tracy 1932-6-4 10127 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC512044  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1317 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC512117  Salix lasiolepis Joseph P. Tracy 1933-4-2 10959 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mountain 762 Comment
  UC512118  Salix lasiolepis Joseph P. Tracy 1933-4-2 10960 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mountain 762 Comment
  CAS-BOT-BC107298  Salix lasiolepis var. bigelovii Harold E. Parks; Joseph P. Tracy 1931-5-17 0976 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  POM214862  Salix lasiolepis var. sandbergii Joseph P. Tracy 1933-4-2 10959 Humboldt Berry's Mountain. On Trinity Hwy. E of Redwood Creek. 762 Comment
  CHSC9553  Salix lucida subsp. lasiandra E. L. Smith 1971-4-6 923 Humboldt Ca. 3 mi s of Scotia, on Hwy 101. 60 Comment
  UC1196636  Salix melanopsis Joseph P. Tracy 1932-5-1 9845 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC162649  Salix melanopsis Joseph P. Tracy 1911-7-4 3295 Humboldt near its mouth Willow Creek; Northern Coast Ranges, Willow Creek - tributary of Trinity R 182 Comment
  UC198573  Salix melanopsis Joseph P. Tracy 1916-9-5 4776 Humboldt 4 mi. above mouth S. Fork Eel R.; Northern Coast Ranges, S. Fork Eel R. 60 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481384  Salix melanopsis Harold E. Parks 1931-3-26 909 Humboldt on Van Duzen R. Alton; Van Duzen R. 15 Comment
  UC490563  Salix melanopsis Joseph P. Tracy 1932-5-1 9850 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R., Alton 30 Comment
  CAS-BOT-BC129131  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  CDA14419  Salix scouleriana P. Haggard 1996-3-18 s.n. Humboldt Eureka. 0 Comment
  UC490507  Salix scouleriana Joseph P. Tracy 1932-8-11 10338 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  UC490508  Salix scouleriana Joseph P. Tracy 1932-9-16 10795 Humboldt near mouth of Mad River; Northern Coast Ranges 30 Comment
  UC490541  Salix scouleriana Joseph P. Tracy 1932-7-20 10738 Humboldt trail below Corral Prairie; Klamath Mts., Trinity Summit 1371 Comment
  UCD111733  Salix sessilifolia Carleton R. Ball; Harold E. Parks, and Joseph P. Tracey 1932-5-12 01245 Humboldt Van Duzen River at Blue Slide. 91 Comment
  CAS-BOT-BC128992  Salix sitchensis Doris K. Kildale 1927-5-13 3177 Humboldt Redmond Creek at Berry's 289 Comment
  CAS-BOT-BC128998  Salix sitchensis Harold E. Parks 1931-3-24 910 Humboldt Trinidad 90 Comment
  HSC37880  Salix sitchensis Thomas W. Nelson 1976-3-22 2282 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC43419  Salix sitchensis R. Sutherland 1978-2-18 6 .18278 Humboldt S side Mattole River 8 Comment
  HSC90388  Salix sitchensis Jean Hanson 1980-3-8 7 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC96575  Salix sitchensis Gordon Leppig 2003-2-20 1805 Humboldt Eureka Slough, Cooper Gulch 5 Comment
  HSC96608  Salix sitchensis Gordon Leppig 2005-4-8 2212 Humboldt Eureka, edge of PALCO Marsh at W end of W Hawthorne St. 3 Comment
  JEPS14763  Salix sitchensis Joseph P. Tracy 1932-8-27 10745 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  UC146204  Salix sitchensis Joseph P. Tracy 1904-3-6 2001 Humboldt immediate vicinity of Eureka 0 Comment
  UC303028  Salix sitchensis Joseph P. Tracy 1926-2-21 7359 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481274  Salix sitchensis Harold E. Parks 1931-5-28 1026 Humboldt Little River Lagoon Comment
  UC481385  Salix sitchensis Harold E. Parks 1931-3-24 910 Humboldt Trinidad 90 Comment
  UC511992  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1240 Humboldt floodplain of Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  HSC2201  Salix tracyi J. P. Tracy 1933-4-9 10967 Humboldt Bridgeville, along Van Duzen River 229 Comment
  JEPS86686  Sambucus mexicana L. R. Heckard with T. I. Chuang 1990-7-15 6768 Humboldt South Fork Mountain Rd. ca 11 mi n Hwy 36 (near Mad River jct.) 1740 Comment
  UC1239543  Sambucus mexicana Joseph P. Tracy 1932-7-17 10668 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC100412  Sambucus racemosa Carl C. Marshall Apr 1886 164 Humboldt Near Humboldt Bay. Comment
  CAS-BOT-BC235126  Sambucus racemosa var. racemosa C. B. Wolf 1930-10-26 1765 Humboldt 1 mi. so. of Trinidad 91 Comment
  HSC37856  Sambucus racemosa var. racemosa Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  HSC89426  Sambucus racemosa var. racemosa P. A. Daly 1984-5-8 5 Humboldt Trinidad Head. 61 Comment
  UCSB15630  Sambucus racemosa var. racemosa 1962-6-8 Humboldt Along U.S. Highway 101, 5 miles south of Orick 30 Comment
  HSC37578  Sanicula arctopoides J. D. Ackerman 1975-6-10 448 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC59088  Sanicula arctopoides Clark L. Miller 1979-5-9 3 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  UC183563  Sanicula bipinnatifida Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3606 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 30 Comment
  HSC91934  Sanicula crassicaulis E. Mackey 1986-5-13 Humboldt Patrick's Point State Park, edge of forest at Palmer's Point Comment
  SEINET12119553  Sanicula crassicaulis J. P. Tracy 1950-1 19023 Humboldt Sproston's Place, 3 mi S of Burr Valley 1067 Comment
  UC1022531  Sanicula crassicaulis C. Ritchie Bell 1952-5-14 3 X458 Humboldt near Alton Railroad Station Comment
  UC1197088  Sanicula laciniata Joseph P. Tracy 1936-3-8 14776 Humboldt along South Fork of Eel River, Miranda South Fork Eel River; , Miranda 121 Comment
  HSC82105  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5260 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  OBI55124  Sanicula tracyi Joseph P. Tracy 1947-6-25 17717 Humboldt Dinsmore's along Van Duzen Rivers opposite Black Mtn 762 Comment
  HSC99066  Sanicula tuberosa C. Witte 2007-5-18 40 Humboldt Grouse Mountain Lookout. 1644 Comment
  UC1197078  Sanicula tuberosa Joseph P. Tracy 1918-5-28 4946 Humboldt Northern Coast Ranges, on Bald Mt., High Prairie High Prairie; Northern Coast Ranges, Bald Mt., High Prairie 1066 Comment
  UC642318  Sanicula tuberosa Joseph P. Tracy 1930-7-17 9011 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  UC412776  Sarcodes sanguinea P. E. Goddard 1906-6 681 Humboldt ridge near <Lassick> Peak Comment
  POM232030  Satureja douglasii I. L. Wiggins 1930-7-11 4681 Humboldt Near Samoa. Comment
  HSC93515  Schoenoplectus acutus var. occidentalis Gordon Leppig 1998-6-25 848 Humboldt Arcata Marsh and Wildlife Sanctuary, SW side of log pond 2 Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  HSC36890  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2058 Humboldt Beside Rd. 2S08 to Pine Mtn. Comment
  BLMAR463  Scirpus microcarpus Jennifer Anthony-Wheeler 2007-8-9 463 Humboldt Samoa Peninsula, growing on Lanphere road 12 Comment
  UC50825  Scirpus pungens J. P. Tracy 1902-8-10 1765 Humboldt immediate vicinity Eureka 0 Comment
  UC1103491  Scoliopus bigelovii Joseph P. Tracy 1933-3-26 10941 Humboldt Big Lagoon 91 Comment
  HSC15635  Scoliopus bigelovii D. E. Anderson 1962-3-17 1938 Humboldt Comment
  HSC92543  Scoliopus bigelovii S. Morrissette, J. Williams, K. Kopper 1994-3-28 5 Humboldt On Lost Coast Trail, 2.25 mi. S of Bear Harbor Camp in J. Smeaton Chase Grove Comment
Read comments Mar 9 2013
  POM292611  Scoliopus bigelovii Lyman Benson 1927-7-12 818 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  SEINET12050517  Scoliopus bigelovii F. H. Utech 1988-1 88 -019 Humboldt along US 101 near junction of Durphy Creek & South Fork Eel River 60 Comment
  UC175808  Scoliopus bigelovii Joseph P. Tracy 1913-6-20 4223 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Valley of Van Duzen R., Dinsmore's Ranch 762 Comment
  SEINET5223991  Scrophularia californica Unknown 2002-8-22 88 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  UC154009  Scutellaria antirrhinoides Joseph P. Tracy 1909-7-31 3031 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1225840  Scutellaria antirrhinoides Joseph P. Tracy 1942-6-15 17167 Humboldt 5 mi n of Garberville 152 Comment
  UC25790  Scutellaria antirrhinoides Chesnut and Drew July 1888 Humboldt Campbells Comment
  HSC35620  Scutellaria californica Thomas W. Nelson, B. Reinhardt 1975-7-30 2115 Humboldt E of Pilot Rock Comment
  HSC40873  Scutellaria californica Thomas W. Nelson 1976-7-9 3010 Humboldt S of Mt. Lassic (Signal Peak) 1707 Comment
  HSC100511  Scutellaria tuberosa Carl C. Marshall Jun 1887 470 Humboldt Near Garberville. Comment
  HSC100456  Sedum Carl C. Marshall Jun 1885 100 Humboldt Pine Creek Ridge. Comment
  HSC57960  Sedum divergens G. L. Clifton, Griswold 1979-7-31 11660 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC74192  Sedum laxum subsp. heckneri M. A. Baker 1980-7-23 3134 Humboldt Near Orleans Mtn. 1859 Comment
  HSC98691  Sedum radiatum Cara Witte 2008-7-7 837 Humboldt Horse Mountain Botanical Area. 6N38. 1 mile southeast of Horse Mountain Mine. 1312 Comment
  JEPS48046  Sedum radiatum W. L. Jepson 1902-6-20 1890 Humboldt Ft. Seward Ranch Ridge Ft. Seward Ranch ridge, Mail Ridge (= Mail Ridge, Rocky points) 1066 Comment
  UC1198832  Sedum spathulifolium Joseph P. Tracy 1911-7-4 3298 Humboldt along Willow Creek Northern Coast Ranges, Willow Creek, trib Trinity River (tributary of Trinity River near its mouth) 182 Comment
  UC166031  Sedum spathulifolium Joseph P. Tracy 1907-7-4 2582 Humboldt coast bluffs near Trinidad; Northern Coast Ranges, near Trinidad 30 Comment
  CHSC79631  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata, behind Humboldt State University, at base of stump near Fern Lake spillway. UTM zone 10, 4526N, 409E. 48 Comment
  HSC95768  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway 49 Comment
  UC503073  Selaginella oregana Joseph P. Tracy 1928-4-29 8426 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  CAS-BOT-BC62180  Selaginella oregana Doris K. Kildale 1926-1-24 1492 Humboldt Kneeland Prairie summit 853 Comment
  UC1118078  Senecio glomeratus H. L. Person 1932-7-16 Humboldt hwy n of Trinidad; Rock Point Quadrangle Comment
  UC1223021  Senecio glomeratus Joseph P. Tracy 1950-7-12 19032 Humboldt Cameron Hill 762 Comment
  HSC39001  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1976-5-31 2653 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  HSC6119  Senecio integerrimus var. major D. E. Anderson 1965-5-8 3654 Humboldt About 3.5 mi. N of Willow Creek along road running along E side of Trinity River Comment
  HSC6156  Senecio integerrimus var. major H. E. Parks, J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley 762 Comment
  HSC81584  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-5-25 5262 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  HSC81775  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1980-6-10 5406 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  BLMAR294  Senecio integerrimus var. major Jennifer Anthony-Wheeler 2002-4-30 294 Humboldt Clark Butte 670 Comment
  UC581704  Senecio integerrimus var. major Joseph P. Tracy 1928-5-6 8429 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC581705  Senecio integerrimus var. major Joseph P. Tracy 1930-7-18 9064 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UCD135606  Senecio minimus R. Tofsrud Date Unknown s.n. Humboldt Between Capetown and Ferndale. Comment
  UC175387  Senecio sylvaticus J. P. Tracy 1907-6-20 2571 Humboldt immediate vicinity Eureka 0 Comment
  UC450005  Senecio sylvaticus Joseph P. Tracy 1918-9-1 5095 Humboldt Nowella Camp, on old Kneeland Prairie Road 457 Comment
  UC204868  Senecio sylvaticus Joseph P. Tracy 1918-9-1 5095 Humboldt Newells Camp on old Kneelans Praire Road 457 Comment
  HSC70462  Senecio triangularis Gail Newton 1980-7-20 1630 Humboldt Near Bell Swamps 1426 Comment
  HSC98109  Senecio triangularis Cara Witte 2007-6-27 361 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/4 mile east of spring. 1583 Comment
  UCD135816  Senecio vulgaris Linda M. Barker 1976-3-22 1337 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC85839  Sequoia sempervirens Rudolf W. Becking 1968-11-27 s.n. Humboldt Weott, Humboldt Redwoods State Park, Federation Grove. Comment
  UC667965  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt near Korbel 304 Comment
  SEINET5334844  Sequoia sempervirens W. D. Billings 1940-6-28 1356 Humboldt 1/4 mile north of Trinidad Comment
  UC34651  Sericocarpus oregonensis subsp. oregonensis Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pon Comment
  CDA13777  Setaria parviflora P. Haggard 1997-12-12 s.n. Humboldt North Coast Ranges; East of Arcata on North Bank Rd. above Mad River immed. E of Azalea Reserve. Stand approx. 25' in length, growing in recently disturbed area. Perennial. 0 Comment
  HSC12703  Sherardia arvensis Jana Kattenhorn 1970-10-28 148 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  UCR39801  Sherardia arvensis L. P. Janeway 1984-5-13 775 Humboldt Along the Kneeland/Bridgeville Road c. 15 mi. east of the Kneeland post office just past Lone Star Junction and near Lone Star Creek 610 Comment
  CAS-BOT-BC205577  Sidalcea malachroides F. H. Utech 1986-5-23 86 -399 Humboldt Ca. 3.0 mi NW of Petrolla on Mattole Road (Humboldt Co. hwy F3C) enroute to Capetown 80 Comment
  CAS-BOT-BC205578  Sidalcea malachroides Doris K. Kildale 1928-5-27 5935 Humboldt Kneeland Prairie 853 Comment
  UCR45396  Sidalcea malviflora D. K. Imper 1985-6-18 s.n. Humboldt Six Rivers National Forest, just south of junction of 10N01 and 10N03, south of Orleans. 854 Comment
  HSC69889  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1977-7-30 3663 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  UC902190  Sidalcea oregana subsp. eximia Joseph P. Tracy 1949-8-11 18461 Humboldt Snow Camp 1432 Comment
  HSC102530  Sidalcea oregana subsp. oregana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1517 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC73819  Silene Gail Newton 1980-6-7 117 Humboldt Near Brush Mtn. 1128 Comment
  HSC32097  Silene bolanderi D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5698 Humboldt McKeown Ranch, N of Dinsmore Comment
  SEINET10537655  Silene californica Mary Merello 1993-6-19 Merello 659 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest. 90 Comment
  RSA47141  Silene californica Doris K. Kildale 1925-3-29 617 Humboldt Alton hill. Comment
  SD42480  Silene californica Carl B. Wolf 1937-6-18 8890 Humboldt Table Bluff, between Humboldt Bay and Eel River. 29 Comment
  HSC57950  Silene campanulata subsp. glandulosa G. L. Clifton, Griswold 1979-7-31 11629 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC668082  Silene grayi Joseph P. Tracy 1932-7-12 10477 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  CAS-BOT-BC389069  Silene laciniata subsp. californica W. R. Dudley 1899-6-20 s.n. Humboldt South Fork of Eel River Comment
  HSC4170  Silene laciniata subsp. californica Paul Shields 1955-6-12 Humboldt 6 miles west of Meyers Flat Comment
  CAS-BOT-BC389051  Silene laciniata subsp. californica J. Clausen 1932-9-17 676 Humboldt On a roadbank between Willow Creek and Redwood Creek 304 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
  HSC45588  Sisyrinchium bellum Diane L. Reed 1978-5-27 142 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 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
  SEINET7879022 Image available Sisyrinchium bellum C. C. Harris, S. K. Harris 1942-1 s.n. Humboldt 3 mile north and 1 mile west of Fernbridge 33 Comment
  HSC91874  Sisyrinchium californicum E. Mackey 1986-5-13 Humboldt Patrick's Point State Park Comment
  UC1192312  Sisyrinchium californicum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1196 Humboldt at the suthern outskirts of Eureka Comment
  JEPS561  Smilacina racemosa Joseph P. Tracy 1938-7-7 16038 Humboldt Grouse Mountain 1524 Comment
  JEPS86131  Smilacina racemosa Wayne Roderick 1966-5-7 Humboldt 5 mi e Carlotta 30 Comment
  UC666972  Smilacina stellata Joseph P. Tracy 1933-6-13 12569 Humboldt near summit on road from Hoopa westward to Bair's; Hoopa Mountain 1066 Comment
  UC585976  Solanum americanum Joseph P. Tracy 1934-11-4 13698 Humboldt Shively 30 Comment
  HSC89464  Solanum americanum P. A. Daly 1986-2-23 52 Humboldt Along trails at Trinidad Head 6 Comment
  HSC93540  Solanum americanum Spadoni 1997-12-2 Humboldt 1335 J St., Eureka 15 Comment
  CDA41195  Solanum parishii J. Breton & A. Livingtston 2005-6-15 12 Humboldt Northeast of Grouse Mountain. Comment
  RSA47108  Solanum umbelliferum Doris K. Kildale 1925-5-10 625 Humboldt Strongs Station Comment
  UC604645  Solanum umbelliferum Joseph P. Tracy 1938-6-7 15855 Humboldt 5 mi se of Blue Lake (Canyon Creek); Canyon Creek 152 Comment
  POM187917  Solidago canadensis subsp. elongata Marcus E. Jones 1931-7-12 29135 Humboldt Alton. Comment
  RSA18140  Solidago canadensis subsp. elongata C. B. Wolf 1927-8-22 809 Humboldt 1 mile south of Orick. Comment
  RSA46833  Solidago canadensis subsp. elongata Doris K. Kildale 1926-6-28 2180 Humboldt Big Lagoon Bluffs. Comment
  HSC22504  Solidago elongata David K. Smith 1968-10-26 27 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  UC1223177  Solidago elongata Joseph P. Tracy 1949-8-11 18458 Humboldt Snow Camp 1402 Comment
  UC36246  Solidago elongata C. C. Marshall 1886-1 Humboldt Comment
  UC494190  Solidago elongata H. E. and S. T. Parks 1930-9-14 785 Humboldt n shore Big Lagoon Comment
  UC535729  Solidago elongata Eleanor Armstrong 1934-8-23 1189 Humboldt Richardson Grove 121 Comment
  LA204243  Solidago lepida var. salebrosa S. T. Parks; H. E. Parks 1930-9-14 785 Humboldt North shore of Big Lagoon Comment
  CHSC69500  Solidago spathulata Vernon Oswald; Lowell Ahart 1997-9-4 8852 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.1 mi south of Hwy. 255. ON dunes. 6 Comment
  HSC12531  Solidago spathulata Wilbur Peterson 1970-10-7 22 Humboldt McKinleyville Beach at the end of Murray Rd. Comment
  LA204224  Solidago spathulata S. K. Harris; 1939-9-5 990 Humboldt Samoa Comment
  UC1223174  Solidago spathulata Joseph P. Tracy 1948-9-26 18226 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC129319  Solidago spathulata Harley P. Chandler May 1901 1158 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  UCD136059  Solidago spathulata Linda M. Barker 1976-8-2 1670 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  JEPS18742  Soliva sessilis Joseph P. Tracy 1936-7-3 14852 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC365811  Soliva sessilis L. R. Abrams 1918-6-12 7080 Humboldt In street, Eureka Comment
  HSC35009  Soliva sessilis J. O. Sawyer 1975-5-20 2695 Humboldt 1445 Chester Ave., Sunnybrae Comment
  HSC89465  Sonchus oleraceus P. A. Daly 1986-3-12 69 Humboldt Trinidad Head, along trail 61 Comment
  HSC23255  Sparaxis tricolor Jana Kattenhorn 1971-4-7 214 Humboldt Around HSU campus, Arcata Comment
  JEPS32230  Sparganium emersum var. emersum Joseph P. Tracy 1926-8-22 7771 Humboldt pond between Little Van Duzen River and Dinsmore's; Northern Coast Ranges 670 Comment
  HSC89909  Sparganium eurycarpum Leonel Arguello 1989-7-14 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. Comment
  UC249860  Spartina densiflora Joseph P. Tracy 1924-8-4 6738 Humboldt Eureka Northern Coast Ranges (salt marsh at railroad station) 0 Comment
  CHSC33022  Spergula arvensis subsp. arvensis James Payne Smith Jr. 1970-6-7 3805 Humboldt 0.6 miles north of Luffenholtz Beach along Calif. 1 near Trinidad. Comment
  SJSU8458  Spergularia canadensis var. occidentalis H. T. Harvey 1977-7-6 614 Humboldt South Spit, Humboldt Bay Comment
  CDA3442  Spergularia rubra T. C. Fuller 1958-6-17 599 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC68109  Spergularia rubra J. P. Smith, J. O. Sawyer 1973-5-12 6670 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  CAS-BOT-BC149617  Spiraea douglasii Milo S. Baker 1927-8-21 2484 b Humboldt [Spagnum] Sphagnum Bog near Bald Mt. 914 Comment
  CAS-BOT-BC149618  Spiraea douglasii Malcom A. Nobs; S. Galen Smith 1949-8-9 1226 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley Comment
  UCD114050  Spiraea douglasii Linda M. Barker 1976-6-14 1600 Humboldt 3 miles west of Arcata. Comment
  UC162773  Spiranthes romanzoffiana Joseph P. Tracy 1911-8-27 3537 Humboldt Eureka Northern Coast Region 0 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
  UCLA70872  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 A Humboldt Valley of South Yager Creek 762 Comment
  UC577319  Stachys ajugoides var. rigida Joseph P. Tracy 1930-7-23 9126 Humboldt Cold Springs Northern Coast Ranges, Horse Mountain 1432 Comment
  UCLA71110  Stachys ajugoides var. rigida C. Epling Aug 1933 Humboldt near Big Tree Comment
  UC25942  Stachys chamissonis H. M. Hall 1899-10-17 Humboldt Arcata Comment
  HSC49033  Stachys mexicana Patricia Shesgreen 1978-5-5 68 Humboldt 17.4 mi. S of Ferndale on Mattole Rd. 91 Comment
  UCD126028  Stachys rigida James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-26 6863 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC48831  Stachys rigida var. rigida Brad Klipfel 1973-7-31 253 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1198344  Stellaria borealis subsp. sitchana Joseph P. Tracy 1949-6-25 18349 Humboldt Box Camp; Trinity Summit 1524 Comment
  UC668078  Stellaria borealis subsp. sitchana Joseph P. Tracy 1935-5-24 13817 Humboldt Eureka 91 Comment
  UC161060  Stellaria crispa Joseph P. Tracy 1906-5-6 2438 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC4268  Stellaria media D. E. Anderson 1962-7-17 2274 Humboldt Camp Bauer, 1/4 mi. E of Korbel, along N Fork of Mad River Comment
  UC161001  Stellaria nitens Joseph P. Tracy 1910-4-24 3126 Humboldt near Humboldt Bay (Ocean Beach at Humboldt Bay); Northern Coast Region Comment
  UC668077  Stellaria obtusa Joseph P. Tracy 1935-7-23 14161 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  HSC32547  Stephanomeria virgata Thomas W. Nelson 1973-9-3 1122 Humboldt McKeown Ranch N of Dinsmore Comment
  RSA254758  Stephanomeria virgata Thomas W. Nelson 1973-9-3 1122 Humboldt McKeown Ranch north of Dinsmore Comment
  HSC73045  Stipa lemmonii M. A. Baker 1980-7-19 3004 Humboldt Near Bret Hole. 1814 Comment
  HSC96939  Stipa lemmonii Ryoko Ito, Shauna McDonald 2007-6-11 4 Humboldt 14.1 mi. above Hwy. 299 1372 Comment
  SEINET10603857  Stipa lemmonii Henry N. Bolander Bolander 6469 Humboldt Moist Places. Red Mountain. Comment
  HSC97968  Stipa lemmonii var. lemmonii Cara Witte, Michael Scott 2007-6-22 348 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  CAS-BOT-BC87614  Streptanthus tortuosus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain. 1432 Comment
  UC673194  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-12 2880 Humboldt bluffs at mouth of creek 6 mi ne Weitchpec; Klamath-Siskiyou Region, Bluff Creek 152 Comment
  UCD116417  Streptanthus tortuosus Richard Spellenberg 1965-6-14 1130 Humboldt south of airport, about 5 miles east of Kneeland. Comment
  UC1175131  Symphoricarpos albus var. laevigatus P. C. Everett and E. K. Balls 1959-10-25 23959 Humboldt 14 mi w Willow Creek (along U.S. Hwy 299 to Arcata) 502 Comment
  HSC41199  Symphoricarpos mollis Thomas W. Nelson, Jane P. Nelson 1977-8-6 3703 Humboldt Along S side of Lassic Mtn. 1494 Comment
  HSC58035  Symphoricarpos mollis G. L. Clifton 1979-7-31 11870 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC75958  Symphyotrichum bracteolatum Overton, Butler 1979-7-24 9740 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CHSC10151  Symphyotrichum chilense J. W. Johnson 1961-8-23 1048 Humboldt Arcata. Along the sides of the Lanphere County Road by Mad River Slough. Comment
  CAS-BOT-BC99164  Symphyotrichum chilense Carl B. Wolf 1928-8-27 1183 Humboldt Salt Marsh Eureka Bay, on the road to Arcata Comment
  CAS-BOT-BC99006  Symphyotrichum eatonii Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  UC581687  Symphyotrichum hendersonii Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC376736  Tanacetum bipinnatum Ira L. Wiggins 1940-7-10 9484 Humboldt Big Lagoon Comment
  HSC40942  Tanacetum bipinnatum Linda M. Barker 1976-6-1 1561 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  CAS-BOT-BC376726  Tanacetum bipinnatum D. E. Boufford 1973-7-26 11050 Humboldt Along the Pacific Ocean at the town of Clam Beach, north of the city of Eureka. Growing near sea level Comment
  UCSB15911  Tanacetum bipinnatum Breedlove, Dennis 1962-6-8 Humboldt Near coast on U.S. Highway 101, 3 miles south of Orick Comment
  CAS-BOT-BC376777  Tanacetum parthenium Henry M. Pollard 1947-8-21 s.n. Humboldt Near Camp Creek, Orleans region Comment
  CAS-BOT-BC376832  Tanacetum vulgare Carl B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, So. side along Redwood Highway 6 Comment
  SBBG53001  Tanacetum vulgare J. D. Hobson -Jun-1966 Humboldt Loleta Comment
  UC1196938  Taraxia ovata Joseph P. Tracy 1939-4-18 16215 Humboldt w side of river Garberville 152 Comment
  HSC38883  Tauschia kelloggii J. P. Smith, Steve Selva 1970-6-14 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC73247  Tauschia kelloggii M. A. Baker 1980-5-18 1311 Humboldt Near Black Mtn. 1006 Comment
  HSC75801  Tellima grandiflora Bill Copeland 1980-7-2 355 Humboldt Near Snow Camp Creek 1311 Comment
  SEINET12221186  Tellima grandiflora J. P. Tracy 1950-1 18722 Humboldt near Mountain Glen Ranch, 7 mi S of Ferndale, Bear River Ridge 610 Comment
  UC668275  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1937-5-30 15308 Humboldt along creek 3 mi n Blocksburg; Larrabee Creek 457 Comment
  RSA430063  Thelypodium brachycarpum Emery M. Whilton 1941-6-27 s.n. Humboldt Near Eureka Comment
  UC673060  Thermopsis gracilis Joseph P. Tracy 1937-5-31 15326 Humboldt rocky point at Ruby Creek (along Trinity Hwy); Willow Creek Canyon 518 Comment
  SEINET6934811  Thermopsis macrophylla var. venosa Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt West of top of grade down to Klamath River, southeast of Orick. Comment
  UC902017  Thlaspi arvense Joseph P. Tracy 1949-7-9 18338 Humboldt near Freshwater Corners; near Freshwater Corners 30 Comment
  UC1198811  Thlaspi montanum var. montanum Joseph P. Tracy 1939-4-29 16234 Humboldt near Weitchpec (along Trinity River); , near Weitchpec 121 Comment
  UC673195  Thlaspi montanum var. montanum Lincoln Constance and Reed C. Rollins 1942-5-11 2877 Humboldt 5 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  CAS-BOT-BC81320  Thuja plicata Ira L. Wiggins 1955-7-31 13594 Humboldt Hillside 9 mi. E of Arcata along Highway 299 316 Comment
  HSC30092  Thuja plicata Chris Gist 1973-5-14 150 Humboldt HSC Campus S of Engineering Building Comment
  HSC95903  Thuja plicata Will Ferrand 2001-6-17 2 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  NY17203  Thuja plicata E. K. Balls 1953-10-11 18632 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1541459  Thysanocarpus curvipes H. E. Parks 1930-5-25 870 Humboldt Laribee Valley 762 Comment
  UC1409074  Tiarella trifoliata var. unifoliata Robert F. Thorne and P. Everett 1965-8-5 35140 Humboldt below summit Mt. Chamisal Mt. Chamisal; , below summit 533 Comment
  CAS-BOT-BC436909  Tiarella trifoliata var. unifoliata L. B. Kildale 1930-9-9 10410 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC436912  Tiarella trifoliata var. unifoliata Carl B. Wolf 1927-8-21 765 Humboldt In Stephen's Grove Comment
  HSC43174  Tiarella trifoliata var. unifoliata R. Sutherland 1976-8-13 13 .13876 Humboldt Whittemore Grove. 91 Comment
  UC11936  Tiarella trifoliata var. unifoliata J. Burtt Davy 1899-6-19 5650 Humboldt Hoopa Mt. North Coast Ranges, summit Hoopa Mt. (at the summit) Comment
  UC1212146  Tiarella trifoliata var. unifoliata Francia Chisaki and Helen K. Sharsmith 1959-8-22 4753 Humboldt bog at Happy Camp Happy Camp (just over Trinity County line); Inner North Coast Ranges 914 Comment
  UC1198897  Tolmiea diplomenziesii Joseph P. Tracy 1924-6-1 6689 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of the Kneeland Road) 609 Comment
  UC11947  Tolmiea diplomenziesii W. C. Blasdale Jun 1899 5887 Humboldt Weitchpec North Coast Ranges, Klamath River (on the Klamath River, opposite the mouth of the Trinity) Comment
  UC1222359  Tolmiea diplomenziesii Joseph P. Tracy 1950-6-15 19040 Humboldt vicinity Willow Creek (near mouth of Raccoon Creek, 1 mi ne of Patterson's Ranch) Comment
  HSC74665  Tonella tenella Gail Newton 1981-6-6 2189 Humboldt Near Pilot Ridge Trail 1314 Comment
  UC169095  Tonella tenella Mrs. M. H. Manning Apr 1902 Humboldt Hupa Comment
  UC27664  Tonella tenella C. C. Marshall 1888-1 Humboldt Comment
  UC727683  Torilis arvensis Milo S. Baker 1946-6-15 11484 Humboldt Trinity Hwy, Berry's Mt. Comment
  CHSC33049  Torilis arvensis subsp. arvensis Thomas Nelson; Jane Nelson 1978-7-2 4387 Humboldt Along highway 36 ca. 1 mile east of Grizzly Creek. Comment
  UC1197062  Torilis nodosa Joseph P. Tracy 1930-8-3 9154 Humboldt McClellan Mountain 762 Comment
  UC642321  Torilis nodosa Joseph P. Tracy 1935-5-25 13892 Humboldt Dobbyn Creek 152 Comment
  UC906658  Torilis nodosa Joseph P. Tracy 1946-6-15 17558 Humboldt Berry's Mountain on Trinity Highway east of Redwood Creek 609 Comment
  SACT002419  Torresia macrophylla V. Barnes 1959-1 Humboldt Comment
  CAS-BOT-BC169177  Toxicodendron diversilobum Joseph P. Tracy 1949-8-8 18404 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC165853  Tracyina rostrata Joseph P. Tracy 1903-5-23 1892 Humboldt Alder Point Northern Coast Ranges 243 Comment
  UCD96048  Trautvetteria caroliniensis Joseph P. Tracy 1948-9-5 18169 Humboldt Trinity Summit Range. Happy Camp Mt. 1280 Comment
  CAS-BOT-BC517421  Triantha occidentalis subsp. occidentalis Joseph P. Tracy 1914-9-6 4606 Humboldt Northern Coast Ranges, Bald Mountain between High Prairie and Snow Camp, near Seidell Ranch 1219 Comment
  JEPS63112  Trichostema lanceolatum W. L. Jepson 1936-8-12 17874 Humboldt Philipsville; South Fork Eel River Comment
  UC484155  Trichostema laxum E. R. Johnson Aug 1929 Humboldt along the Eel River Comment
  UC577371  Trichostema laxum Joseph P. Tracy 1926-10-15 7815 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  UC1561370  Trientalis latifolia Barbara Ertter with Thomas J. Delendick 1987-5-16 6942 Humboldt 3 mi e of Berry Summit (on Hwy 299, 20 air mi e of Arcata, on s side of road above Willow Creek); Hwy 299 243 Comment
  UC1197230  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1906-6-10 2488 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1223382  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1933-5-20 12248 Humboldt 1 mile west Petrolia (Mattole Valley); Northern Coast Ranges Comment
  UC160914  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1908-6-9 2652 Humboldt Kneeland Prairie North Coast Ranges 762 Comment
  UC1223393  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1948-5-31 17989 Humboldt near Harris (West side of top of Spruce Grove Ridge) 762 Comment
  UC1197493  Trifolium barbigerum Joseph P. Tracy 1904-4-24 2027 Humboldt Ocean Beach Humboldt Bay Comment
  HSC45120  Trifolium bifidum R. Sutherland 1978-5-27 1 .27578 Humboldt Whitehorn 311 Comment
  POM127032  Trifolium cyathiferum Chesnut, E. R. Drew 1888-8-2 s.n. Humboldt Grouse Creek Comment
  UC495733  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1932-5-10 9948 Humboldt near Petrolia (Mattole River); Northern Coast Ranges 15 Comment
  HSC15116  Trifolium dubium Harvey Doerksen 1962-5-8 18 Humboldt 3 mi. W of Blue Lake, fork Mad River and Essex Creek Comment
  HSC45105  Trifolium dubium R. Sutherland 1978-5-17 2 .17578 Humboldt 305 Comment
  POM214888  Trifolium eriocephalum subsp. eriocephalum Joseph P. Tracy 1930-7-6 8835 Humboldt Kneeland Prairie. Comment
  CDA27949  Trifolium fucatum T. C. Fuller 1958-6-17 1720 Humboldt Petrolia, Lower Mattole. 0 Comment
  JEPS65891  Trifolium fucatum Joseph P. Tracy 1923-5-13 6203 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC16799  Trifolium fucatum J. Burtt Davy 1899-6-15 5546 Humboldt near Scotia; North Coast Ranges Comment
  UCD111199  Trifolium hirtum B. L. Kay 1955-6-2 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  UC16566  Trifolium hybridum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5601 Humboldt Arcata Comment
  UCR95636  Trifolium hybridum R. F. Thorne, Percy C. Everett 1965-8-8 35268 Humboldt North Coast, N edge of Eureka, east of Hwy 101 5 Comment
  HSC100251  Trifolium incarnatum J. P. Smith, & J. O. Sawyer 2010-5-2 12808 Humboldt Along Hwy. 96, N of Orleans 140 Comment
  HSC44837  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3500 Humboldt Above Alder Springs, N of pond 1585 Comment
  UC495659  Trifolium longipes var. oreganum Joseph P. Tracy 1930-7-23 9136 Humboldt Horse Ranges Northern Coast Ranges Comment
  HSC45139  Trifolium microcephalum R. Sutherland 1978-5-19 8 .19578 Humboldt 131 Comment
  HSC71464  Trifolium microcephalum J. P. Smith, J. O. Sawyer 1973-5-12 6671 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  UC160940  Trifolium microdon J. P. Tracy 1900-5-28 822 Humboldt Eureka vicinity 0 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
  UC1223340  Trifolium obtusiflorum Joseph P. Tracy 1934-6-3 13205 Humboldt recently cleared land at Park's Place Trinidad Comment
  RSA273375  Trifolium oreganum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2711 Humboldt Along old trail from lookout to Blocksburg 1555 Comment
  UC1197046  Trifolium repens J. P. Tracy 1901-5-8 1073 Humboldt immediate vicinity of Eureka 0 Comment
  CDA4316  Trifolium subterraneum R. Drewry 1967-5-5 Humboldt Shelter Cove. 0 Comment
  UC169057  Trifolium variegatum var. melananthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3594 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC1223528  Trifolium variegatum var. variegatum Joseph P. Tracy 1937-7-19 15460 Humboldt lower foothills nw slope; Buck Mtn 914 Comment
  BLMAR742  Trifolium willdenovii Jennifer Wheeler 2015-5-18 742 Humboldt King range, strawberry rock grazing allotment down windy point 243 Comment
  UC1223318  Trifolium willdenovii Joseph P. Tracy 1942-5-16 17358 Humboldt 1 mi ne Garberville (on rd to Harris) 304 Comment
  HSC15196  Trifolium wormskioldii J. W. Bosworth 1965-5-14 50 Humboldt 1 mi. N of Fairhaven Comment
  HSC38477  Trifolium wormskioldii D. E. Anderson 1971-6-14 - 1042 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  HSC90808  Triglochin concinna Gail Newton 1982-5-2 2511 Humboldt Elk River Wildlife Area, Eureka Comment
  CHSC31317  Triglochin maritima Mark Stopher 1980-6-4 88 Humboldt Near banks of Elk River and tidal creeks near Hwy 101. 1 Comment
  POM319420  Triglochin maritima Patricia Wilder 1968-8-21 4392 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  RSA69588  Triglochin maritima F. W. Peirson 1923-7-11 6478 Humboldt Flats north of Eureka. Comment
  HSC103300  Trillium albidum Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3006 Humboldt Six Rivers National Forest; ~ 0.2 mi. south-southeast of Cold Spring Camp; ~ 3.3 aerial mi. south-southeast of Horse Mtn. Radio Tower. 1416 Comment
  HSC39195  Trillium albidum D. E. Anderson, J. P. Smith 1971-7-6 - 1330 Humboldt 1.0 mi. W of Pine Ridge Summit, 6 mi. E of junction with Redwood Valley Rd. Comment
  HSC96784  Trillium albidum M. Mesler 2006-5-24 601 Humboldt Coldsprings Camp, 7.4 mi. SE of Hwy. 299 on Titlow Hill Rd. 1402 Comment
  RSA168944  Trillium albidum Joseph P. Tracy 1950-5-7 18646 Humboldt Head of South Yager. Comment
  UC667136  Trillium chloropetalum Joseph P. Tracy 1937-4-3 15242 Humboldt Willow Creek Trinity R. Valley, Willow Creek 152 Comment
  HSC15689  Trillium kurabayashii K. P. St. John 1965-4-24 43 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  HSC39526  Trillium ovatum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2714 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  JEPS47248  Trillium ovatum Lincoln Constance 1934-6-2 794 Humboldt Bull Creek road to mouth of Bull Creek and up Bull Creek; S. Fork Eel River, Bull Creek Region Comment
  HSC89454  Trillium ovatum M. Roantree 1985-4-28 25 Humboldt NW side of Trinidad Head along trail Comment
  HSC49797  Trillium ovatum subsp. ovatum R. York 1979-4-9 215 Humboldt Behind HSU campus Comment
  CAS-BOT-BC521314  Trillium rivale Doris K. Kildale 1930-6-1 9739 Humboldt Klamath River at Bluff Creek 152 Comment
  CHSC118618  Triphysaria eriantha subsp. eriantha Richard R. Halse 2016-3-24 9683 Humboldt Along U.S. Hwy. 101 ca. 9.5 miles south of Garberville, just north fo the Mendocino County Line. 168 Comment
  CDA20454  Triphysaria eriantha subsp. eriantha P. Haggard 2003-5-11 PDR P 070982 Humboldt Northwestern California; around Humboldt Bay. 0 Comment
  UC168994  Triphysaria pusilla Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5390 Humboldt Hubbard's Station; North Coast Ranges, Hubbard's Station Comment
  SEINET4097498  Triphysaria versicolor O. M. Clark 1932-1 5332 Humboldt North Eureka. Comment
  HSC103433  Triphysaria versicolor subsp. versicolor Thomas W. Nelson, Jane Nelson 2005-5-1 9305 Humboldt Eureka; vacant field at Broadway and Koster Streets. Comment
  RSA10081  Trisetum canescens Joseph P. Tracy 1926-6-6 7557 Humboldt Northern Coast Ranges, Hoopa Mountain, near summit on road west from Hoopa to Bair's. 1067 Comment
  SEINET200925 Image available Trisetum canescens Joseph P. Tracy 1935-7-30 14359 Humboldt Salmon Summit. 1768 Comment
  UC552772  Trisetum canescens Joseph P. Tracy 1934-6-27 11074 Humboldt Grouse Mt.; Northern Coast Ranges 1432 Comment
  UCD93605  Trisetum canescens A. H. Murphy 1947-5-12 s.n. Humboldt Roadside near Carlotta. Comment
  CAS-BOT-BC193516  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka 60 Comment
  HSC68611  Triteleia laxa Jacqueline Greenleaf 1980-7-16 240 Humboldt Near Buck Mountain. 1250 Comment
  HSC97626  Triteleia laxa Cara Witte 2007-6-19 300 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  SBBG896  Triteleia laxa K. K. Muller 1954-6-21 631 Humboldt Olsen Crk, 2 mi ENE of Mad River Comment
  CAS-BOT-BC526353  Triteleia laxa Ella Dales Cantelow 1939-6-4 3916 Humboldt 11.3 miles north of Garberville, road to Alder Point Comment
  HSC3060  Triteleia laxa R. Spellenberg 1964-6-15 416 Humboldt 7 mi. E of Redwood Creek, Hwy. 299 Comment
  RSA183022  Triteleia laxa Lee W. Lenz 1966-5-24 24657 Humboldt W of Berry Summit, US 299. Comment
  CAS-BOT-BC85899  Tsuga heterophylla Doris K. Kildale 1927-5-13 3127 Humboldt Green Point, Redwood Creek Road Comment
  HSC41923  Umbellularia californica Ed Cope 1977-4-23 25 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA168809  Umbellularia californica Joseph P. Tracy 1950-12-10 18600 Humboldt Vicinity of Carlotta. 30 Comment
  UC183587  Umbellularia californica Joseph P. Tracy 1913-3-9 4020 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC60134  Urtica dioica subsp. gracilis M. A. Baker 1977-5-1 277 Humboldt E of Humboldt State University. Comment
  HSC55012  Vaccinium membranaceum G. L. Clifton 1979-7-31 11394 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC73023  Vaccinium membranaceum Gail Newton 1980-8-10 2001 Humboldt Near Blake Mtn. 1798 Comment
  HSC60135  Vaccinium ovatum M. A. Baker 1977-5-1 286 Humboldt E of Humboldt State University. Comment
  HSC7909  Vaccinium ovatum C. B. Wolf 1927-8-27 1159 Humboldt Klamath River, 2 mi. below the mouth of the Salmon River Comment
  UC726577  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt 3 mi n Trinidad (Bishop Pine Lodge) Comment
  UCSB27859  Vaccinium ovatum Phelps, M. 1972-3-19 Humboldt South end of Elk Ridge, approx. 2.5 mi. north of Briceland 457 Comment
  CAS-BOT-BC199405  Vaccinium parvifolium Doris K. Kildale; J. W. Gillespie 1929-6-25 8393 Humboldt Pines Pasture, Eureka Comment
  HSC37332  Vaccinium parvifolium Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 477 Humboldt Along Lost Man Creek. 38 Comment
  HSC7925  Vaccinium parvifolium J. Pursell 1964-10-18 10181 Humboldt Hwy. 299, 15 mi. N of Blue Lake Comment
  UCR32119  Vaccinium parvifolium David J. Keil 1983-7-2 17329 Humboldt Horse Mountain Summit SW of Willow Creek 1509 Comment
  UC314631  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1924-7-13 6725 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA189781  Vancouveria hexandra Noel Holmgren, James L. Reveal 1966-6-8 2659 Humboldt Coast Range, east of Arcata, 1.5 miles south of Korbel. 274 Comment
  JEPS33028  Vancouveria planipetala W. L. Jepson 1934-5-7 16695 Humboldt Bull Creek Comment
  CAS-BOT-BC76091  Vancouveria planipetala Clarence R. Quick 1959-7-24 59 -36 Humboldt Bee Mountain, ca. 12 miles southwest of Orleans. Comment
  RSA438032  Vancouveria planipetala Miss Hutchinson 1927-7-1 s.n. Humboldt [Unspecified] Comment
  CDA39365  Veratrum californicum T. C. Fuller 1958-6-17 1713 Humboldt Mazepa Ranch, Wildcat Ridge. 0 Comment
  RSA168947  Veratrum californicum Joseph P. Tracy 1950-9-2 19347 Humboldt Fields Landing, 2 miles south of town 6 Comment
  JEPS80003  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  UC1198210  Veratrum insolitum Joseph P. Tracy 1947-7-5 17820 Humboldt in open prairie Trinity Summit 1524 Comment
  HSC55883  Veronica americana G. L. Clifton, Terry Griswold 1979-7-25 10956 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC90696  Veronica americana Gail Newton 1983-6-5 3557 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC28222  Veronica americana John R. Keith 1973-5-15 Humboldt Abandoned log pond about 200 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  HSC45251  Veronica americana M. Alcasas 1978-6-3 119 Humboldt On Titlow Hill Rd., 1.3 mi. from Hwy. 299 1463 Comment
  RSA20851  Veronica americana Carl B. Wolf 1937-6-18 8891 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC55315  Veronica peregrina subsp. xalapensis Terry Griswold, Marvin Butler 1979-7-11 7053 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC501613  Veronica scutellata Frank W. Peirson 1923-7-11 3838 Humboldt 7 mi n of Arcata Comment
  HSC21200  Veronica serpyllifolia subsp. humifusa D. E. Anderson 1965-9-5 4093 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC160967  Vicia americana var. americana Mrs. M. H. Manning May 1902 Humboldt Hupa Comment
  UC709401  Vicia americana var. americana Joseph P. Tracy 1939-7-9 16333 Humboldt Snow Camp 1402 Comment
  UC71810  Vicia americana var. americana Mrs. M. H. Manning May 1903 133 Humboldt Fort Bidwell Comment
  UC303185  Vicia benghalensis Joseph P. Tracy 1924-6-28 6701 Humboldt Hydesville; Northern Coast Ranges 91 Comment
  UC1222588  Vicia hirsuta Joseph P. Tracy 1950-6-17 18835 Humboldt Eureka Comment
  HSC15272  Vicia sativa subsp. nigra R. A. Rasp 1964-4-5 32 Humboldt 1 mi. S of Hoopa on Willow Creek Rd. Comment
  HSC49921  Vinca major Maralyn O'Meara 1973-2-9 126 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  BLMAR258  Viola adunca Jennifer Anthony-Wheeler 1998-4-22 258 Humboldt King range, strawberry rock grazing allotment 280 Comment
  CAS-BOT-BC263941  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC98980  Viola adunca var. adunca Cara Witte 2007-6-13 250 Humboldt Near Buck Flat. Along creekbed that parallels 5N01. 1578 Comment
  SEINET200800 Image available Viola bakeri J. P. Tracy 1932-7-15 10596 Humboldt Trinity Summit Klamath Mts. Open ground near melting snow. 1829 Comment
  HSC21778  Viola cuneata Frances Oldridge 1946-1 Humboldt Willow Creek Comment
  HSC97552  Viola cuneata Cara Witte 2007-6-1 167 Humboldt Horse Mountain Botanical Area. Along Forest Service Road 6N38. 1382 Comment
  HSC85895  Viola glabella Barry Silver 1986-4-23 534 Humboldt Bair Rd., 10 mi. NW of junction with Hwy. 299: Pine Ridge Summit Area 997 Comment
  UC1761598  Viola glabella W. K. Parks Jul 1933 6238 Humboldt South Fork Mt. Comment
  UC902018  Viola glabella J. P. Tracy 1949-6-5 11655 Humboldt NE of Hawkins Bar; Happy Camp Mt., Trinity Summit Range 1280 Comment
Read comments Jul 4 2012
  UC35283  Viola hallii Chesnut and Drew July 1888 Humboldt Kneeland Comment
  HSC100697  Viola ocellata Carl C. Marshall Apr 1887 375 Humboldt Hoopa Valley. Comment
  HSC34953  Viola ocellata Thomas W. Nelson 1975-5-24 1867 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA80574  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt Near headwaters of S Fork of Yager, ca 2 mi W of Bridgeville. Comment
  UC1761996  Viola sempervirens Joseph P. Tracy 1913-5-4 4054 Humboldt Kneeland Prarie North Coast Ranges 762 Comment
  UC66211  Viola sempervirens Harley P. Chandler June, 1901 1292 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 1097 Comment
  RSA46480  Viola sempervirens Doris K. Kildale 1927-3-19 2901 Humboldt Luffenholtz Creek. Comment
  UCD60331  Vitis californica H. Olmo 1934-9-30 s.n. Humboldt Along highway in Blue Lakes. Comment
Read comments Jun 14 2012
  HSC104101  Vulpia bromoides Kyle Brown 2015-4-25 50 Humboldt Arcata, trail along the Mad River 8 Comment
  UC1103724  Vulpia bromoides J. P. Tracy 1899-4-30 308 Humboldt immediate vicinity Eureka 0 Comment
  UCD93442  Vulpia bromoides Linda M. Barker 1976-6-1 1543 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC525671  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7440 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC45027  Vulpia myuros R. Sutherland 1978-5-13 4 .13578 Humboldt Mattole River. 282 Comment
  HSC9925  Vulpia myuros D. C. Juve 1964-5-14 Humboldt Camp Tish-Tang, Campbell Cr. Ranger Station, Hwy. 96. Comment
  HSC9926  Vulpia myuros E. W. Styskel 1964-4-3 56 Humboldt 0.25 mi. S of Garberville along Sprowl Creek Rd. Comment
  RSA10060  Vulpia myuros var. hirsuta Joseph P. Tracy 1925-5-17 6968 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  UC180482  Vulpia myuros var. myuros Joseph P. Tracy 1914-5-14 4432 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  CAS-BOT-BC128819  Whipplea modesta A. A. Heller 1937-6-8 15894 Humboldt In the forest at Bishop Pine Lodge, 3 miles north of Trinidad Comment
  HSC103290  Whipplea modesta Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3013 Humboldt Six Rivers National Forest; ~ 1.75 mi. south of Hwy. 299 on Titlow Hill Road; ~ 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 979 Comment
  HSC38478  Whipplea modesta D. E. Anderson, J. P. Smith 1971-6-18 1053 Humboldt 1 mi. W of Lord Ellis Summit 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
  CAS-BOT-BC382919  Wyethia angustifolia Doris K. Kildale 1927-5-20 3205 Humboldt Bug Creek 792 Comment
  HSC71670  Wyethia angustifolia M. A. Baker 1980-6-26 2382 Humboldt Near Sims Creek 610 Comment
  UC906657  Yabea microcarpa Joseph P. Tracy 1946-1-15 17519 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC67968  Zeltnera muehlenbergii J. P. Smith 1973-5-26 6860 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  CAS-BOT-BC532736  Zigadenus micranthus Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC1173725  Zigadenus micranthus var. micranthus Joseph P. Tracy 1930-7-6 8840 Humboldt Kneeland Prairie 762 Comment
  HSC21902  Zostera marina S. Estes 1964-4-4 17 Humboldt N Humboldt Bay Comment



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