Search Results — 2000 specimen records retrieved (1366 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-BC77965  Abies concolor Doris K. Kildale 1926-9-5 2612 Humboldt Lasseck's Peaks, top of ridge at Goat Camp 1661 Comment
  UC1196915  Abies concolor Joseph P. Tracy 1948-9-5 18202 Humboldt head of Little Hors-Linto Creek (Grizzly Camp); Trinity Summit 1371 Comment
  CDA19007  Abies grandis Lubinski 2000-10-5 PDR P 070106 Humboldt North Coast Ranges; along U.S.F.S Rd 1, in the vicinity of Blue Lake. 0 Comment
  SBBG56413  Abies grandis L. Rowntree 1931-7-23 Humboldt near Bear River Comment
  UC336764  Abies grandis unknown 1901-9-1 Humboldt Eureka Comment
  HSC73024  Abies procera Gail Newton 1980-8-10 1987 Humboldt Near Blake Mtn. 1798 Comment
  CDA23830  Abronia latifolia T. C. Fuller 1958-6-17 1712 Humboldt Zanone Ranch, Cape Mendocino. 0 Comment
  HSC16133  Abronia latifolia J. W. Johnson 1961-8-17 1050 Humboldt Arcata, ridge 8, Lanphere Farm, Samoa Peninsula 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
  CAS-BOT-BC330548  Acer circinatum H. E. McMinn 1922-8-5 355 Humboldt Near Van Duzen River Comment
  RSA46728  Acer glabrum var. torreyi Doris K. Kildale 1938-1 15372 Humboldt Hoopa trip. Comment
  SDSU297  Acer macrophyllum L. N. Harvey 1930-9-27 Humboldt Eel River Comment
  UC165821  Acer macrophyllum J. P. Tracy 1906-4-15 2403 Humboldt moist bottom lands on Mad River near Blue Lake; on Mad River near Blue Lake 30 Comment
  SEINET12237260  Acer macrophyllum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -175 Humboldt ca 0.4 mi S towards Redcrest on Avenue of Giants from junction with US 101 15 Comment
  HSC102524  Achillea millefolium M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1511 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC58329  Achillea millefolium Overton, Butler 1979-8-2 12629 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC73648  Achillea millefolium M. A. Baker 1980-7-22 3117 Humboldt Near Grogan Hole. 1676 Comment
  SBBG52982  Achillea millefolium J. D. Hobson -Jul-1966 Humboldt Eureka Harbor, Loleta, 10 mi S of Eureka Comment
  UC1125414  Achillea millefolium H. L. Person 1932-7-16 9 Humboldt highway n Trinidad; Rock Point Quad. Comment
  UC1125415  Achillea millefolium H. L. Person 1931-7-30 19358 Humboldt Fieldbrook; Eureka Quad. Comment
  BLMAR672  Achillea millefolium Jennifer Wheeler 2013-6-7 672 Humboldt King range, Windy Point 80 Comment
  HSC59675  Achillea millefolium George Kirn 1977-10-12 Humboldt South shore Little River, 1/2 mile from mouth 8 Comment
  SFV18535  Achillea millefolium L. Hagenauer 2002-4-29 31 Humboldt Arcata. Path along McDaniel Slough leading to Humboldt Bay, V Street. Comment
  CHSC19744  Achlys triphylla D. E. Anderson 1965-5-1 3575 Humboldt 4--5 miles west of jct. Bluff Creek Rd. and Hw. 96, along Bluff Cr. Rd. Comment
  HSC42004  Achlys triphylla Tom Duebendorfer 1977-5-15 51 Humboldt 8.9 mi. E on Ward Rd. from junction of Maple Creek Rd. and Old Hwy. 299 610 Comment
  RSA10032  Achnatherum nevadense Joseph P. Tracy 1932-7-12 10446 Humboldt Open ground at Corral Prairie, Trinity Summit, Klamath Mountains. 1524 Comment
  UC526759  Achnatherum occidentale subsp. californicum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9052 Humboldt near Blake lookout (along summit); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC526760  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-12 10446 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  BLMAR183  Acmispon brachycarpus Donald Hazlett 1994-6-7 183 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC33760  Acmispon micranthus A. Montalvo 1975-5-24 276 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC45473  Acmispon nevadensis Thomas W. Nelson, Jane P. Nelson 1978-7-2 4399 Humboldt Off FS 2S08 near Pine Mtn., road to Lost Lake 1463 Comment
  UCD104507  Acmispon wrangelianus A. H. Murphy 1948-6-1 s.n. Humboldt Blue Slide, along highway, 3 miles west of Bridgeville. Comment
  HSC99546  Aconitum columbianum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 211 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC391593  Actaea spicata var. arguta Doris K. Kildale 1926-8-15 2501 Humboldt Willow Creek Canyon 769 Comment
  JEPS33912  Adenocaulon bicolor W. L. Jepson 1932-7-27 16428 Humboldt Bull Creek 106 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
  SD9506  Adiantum aleuticum May Canfield Unknown Humboldt Carlotta Comment
  HSC958  Adiantum aleuticum S. J. Moore 1965-5-12 18 Humboldt Gold Beach Comment
  RSA168824  Ageratina occidentalis Joseph P. Tracy 1950-7-31 19223 Humboldt In woods, Friday Ridge 1220 Comment
  UC1222936  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19025 Humboldt 3 mi s, sw slopes of Buck Mountain Burr Valley; Buck Mountain 1066 Comment
  UC582753  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1934-7-4 13298 Humboldt at crossing of the Kneeland Road Lawerence Creek 457 Comment
  UC582757  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1930-7-23 9134 Humboldt s of summit Horse Mt. 1432 Comment
  HSC71062  Agoseris heterophylla Thomas W. Nelson, Jane P. Nelson 1977-5-30 3396 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  UC119489  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1934-7-17 13417 Humboldt on open grasshills Grouse Mountain 1524 Comment
  POM319539  Agrostis Patricia Wilder 1968-8-21 4367 Humboldt Big Lagoon Park, just west of U.S. 101 15 Comment
  UC526887  Agrostis alba Joseph P. Tracy 1927-8-7 8326 Humboldt moist ground by Lack Pond; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC127292  Agrostis exarata Joseph P. Tracy 1935-5-25 13857 1/2 Humboldt Fort Seward. 106 Comment
  UC186904  Agrostis exarata Joseph P. Tracy 1911-7-7 3386 Humboldt 3 mi nw Junction of Willow Creek with Trinity River; Northern Coast Ranges 914 Comment
  UC34113  Agrostis exarata Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5493 Humboldt near Camp Grant Comment
  UCD52419  Agrostis exarata A. H. Murphy 1947-6-18 s.n. Humboldt Sherman Flat, 3.5 miles north of Blocksburg. Comment
  UCD52704  Agrostis hallii Ray Evans 1956-7-19 s.n. Humboldt Bear River Ridge, 9 miles west of Ferndale. Comment
  CAS-BOT-BC139123  Agrostis oregonensis Joseph P. Tracy 1925-7-5 7173 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  CAS-BOT-BC139125  Agrostis oregonensis Doris K. Kildale 1925-8-17 1264 Humboldt Trinity Summit. 1917 Comment
  HSC38381  Agrostis oregonensis Peter Sorensen 1976-8-8 Humboldt King Salmon Comment
  UC526883  Agrostis pallens Joseph P. Tracy 1932-7-17 10661 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  SEINET3917179  Agrostis stolonifera Thomas Nelson, James Nelson 1976-7-28 3046 Humboldt West of alder Springs along 2S08.; 0 1554 Comment
  HSC58792  Agrostis thurberiana Overton, Butler 1979-7-31 11457 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC8830  Agrostis thurberiana J. P. Tracy 1930-7-16 8931 Humboldt South Fork Mountain: McKay camp. 1677 Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  HSC74428  Aira caryophyllea Gail Newton 1980-8-10 2058 Humboldt Near Blake Mountain 1707 Comment
  RSA32868  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt Humbolt Camp, 10 miles South of Dyerville Comment
  UC922022  Aira caryophyllea Joseph P. Tracy 1941-6-15 16907 Humboldt e King's Peak; Wilder Ridge 762 Comment
  HSC33761  Aira praecox Ron Ralston 1975-5-24 81 Humboldt Samoa Dunes off Samoa Blvd., across from boat landing Comment
  SEINET12045750  Allium amplectens C. C. Harris, Harris, S. K. 1936-1 645 Humboldt at point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River 710 Comment
  SEINET3883763  Allium amplectens D. W. McNeal, L. V. Mingrone 1967-6-12 382 Humboldt 8.0 mi. n.w. of Bridgeville on the county rd. to Kneeland, along the roadside.; 0 Comment
  UC2222699  Allium amplectens Joseph P. Tracy 1951-6-26 19596 Humboldt extreme head of Redwood Creek, n side Board Camp Mountain Board Camp Mountain, Redwood Creek 1541 Comment
  UC666928  Allium bolanderi Joseph P. Tracy 1932-6-14 10139 Humboldt mountain slopes w mouth of South Fork of Trinity River; South Fork of Trinity River 609 Comment
  HSC100546  Allium campanulatum Carl C. Marshall Jun 1886 304 Humboldt Trail E of Hoopa. Comment
  CAS-BOT-BC464486  Allium campanulatum Doris K. Kildale 1927-7-22 3815 Humboldt Lassecks Peaks 1661 Comment
  HSC81792  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5935 Humboldt Along old trail to pond, 0.5 mi. N of Alder Spring 1555 Comment
  HSC23259  Allium triquetrum Jena Kattenhorn 1971-5-26 259 Humboldt Vacant lots of HSC campus Comment
  JEPS56396  Allium unifolium Joseph P. Tracy 1918-7-5 5004 Humboldt Mattole River Northern Coast Ranges, White Thorn Valley, Mattole River 304 Comment
  UC666890  Allium validum Joseph P. Tracy 1930-7-16 8922 Humboldt meadow at McKay's Camp South Fork Mountain, McKay's Camp 1676 Comment
  UC666891  Allium validum Joseph P. Tracy 1934-8-29 13630 Humboldt meadow at McKay's Camp South Fork Mountain, McKay's Camp 1676 Comment
  UC1224691  Allotropa virgata D. E. Anderson 1963-5-18 2447 Humboldt about 1 mi nw of Burnt Ranch School Comment
  UC412886  Allotropa virgata Mrs. M. H. Manning 1901-1 Humboldt Hupa Comment
  CAS-BOT-BC171311  Alnus incana subsp. tenuifolia Milo S. Baker 1927-8-21 2487 a Humboldt Brush Mt. 914 Comment
  BLMAR265  Alnus rubra Jennifer Anthony-Wheeler 1999-6-16 265 Humboldt Headwaters Forest Reserve, throughout reserve esp. by rdsides 0 Comment
  CAS-BOT-BC169533  Alnus rubra Doris K. Kildale 1926-6-28 2181 Humboldt Big Lagoon Comment
  CAS-BOT-BC169535  Alnus rubra Doris K. Kildale 1928-7-29 5919 Humboldt Bear River at Capetown Comment
  HSC99493  Alnus rubra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 153 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
  SEINET197713  Alnus rubra J. M. Tucker 1948-9-5 1865 Humboldt Along Hwy 101 3 mi S of Scotia Comment
  UC503100  Alnus viridis subsp. sinuata Joseph P. Tracy Jul 16 1930-Jul 19 1930 9080 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  RSA167287  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19524 Humboldt back of Everett Beck House (formerly George Fray) bed of former Goose Lake, Hydesville. Comment
  SEINET10511197  Alopecurus saccatus Joseph P. Tracy 1912-7-21 Tracy 3780 Humboldt Alton. Along ditch. 30 Comment
  SEINET2031135 Image available Ambrosia bipinnatifida J. P. Tracy 1901-1 1265 Humboldt Sand hills of ocean beach at Samoa, opp. Eureka. Comment
  CAS-BOT-BC13703  Ambrosia chamissonis Ira L. Wiggins 1930-7-7 4674 Humboldt Near Samoa Comment
  JEPS40954  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13688 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon, Stone Lagoon 3 Comment
  JEPS40955  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13687 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon 3 Comment
  HSC70685  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-15 1574 Humboldt Near Sims Mtn. 1311 Comment
  HSC74216  Amelanchier alnifolia var. semiintegrifolia M. A. Baker 1980-7-23 3173 Humboldt Near Orleans Mtn. 1859 Comment
  HSC44355  Amelanchier pallida Brad Klipfel 1975-7-11 700 Humboldt Horse Mtn. Comment
  UCD39988  Amelanchier utahensis Rodney Gale Myatt 1971-9-22 1196 Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  HSC17844  Anagallis arvensis W. F. Nickel 1965-5-6 Humboldt On Humboldt State University campus, behind Biological Science Bldg. Comment
  SEINET11993512  Anagallis arvensis F. H. Utech 1986-1 86 -406 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  UCD117538  Anagallis arvensis Malcolm A. Nobs; S. Galen Smith 1949-8-11 1342 Humboldt eastern shore of Stone Lagoon. Comment
  HSC90221  Anaphalis margaritacea L. Watson, J. Watson Aug 1990 2 Humboldt Near Manilla; Mad River Slough and Dunes, 50 yds. N of parking lot, E. of trail Comment
  RSA15556  Anaphalis margaritacea C. B. Wolf 1927-8-30 1230 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
  UCD128833  Anaphalis margaritacea Linda M. Barker 1976-8-2 1671 Humboldt 3 miles west of Arcata. Comment
  HSC27042  Anaphalis margaritacea Brad Klipfel 1973-8-25 286 Humboldt Near Lazy L Ranch, Fickle Hill Rd. Comment
  CAS-BOT-BC391774  Anemone deltoidea Doris K. Kildale 1926-6-6 2121 Humboldt Trail to Gold Bluffs Comment
  CAS-BOT-BC391781  Anemone deltoidea V. Rattan 1882-6-1 s.n. Humboldt To Kneeland Prairie 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
  JEPS12247  Angelica genuflexa Joseph P. Tracy 1940-9-26 16725 Humboldt Eureka 6 Comment
  UC1051575  Angelica genuflexa Joseph P. Tracy 1948-9-12 18206 Humboldt Trinity Summit, at Box Camp Trinity Summit; , Box Camp 1463 Comment
  UC582654  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  JEPS16074  Angelica genuflexa W. L. Jepson 1936-8-17 17910 Humboldt Fields Landing, Stills Ranch Fields Landing; , Stills Ranch Comment
  UC562549  Angelica hendersonii Joseph P. Tracy 1930-7-21 8896 Humboldt Cape Mendocino, south of point of the Cape Cape Mendocino 3 Comment
  UCD127226  Angelica hendersonii Joseph DiTomaso 1980-6-29 1634 Humboldt north side of Elkshead. 2 miles north of Trinidad. Comment
  HSC93230  Angelica lucida Clair Golec 1998-5-29 Humboldt Mouth of Jacoby Creek at Humboldt Bay. Comment
  HSC101671  Angelica tomentosa Cara Witte 2008-8-6 999 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  HSC56087  Angelica tomentosa G. L. Clifton, Terry Griswold 1979-7-31 11776 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC32840  Anisocarpus madioides Thomas W. Nelson, James Nelson 1973-5-28 946 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1222880  Antennaria media Joseph P. Tracy 1950-8-8 19297 Humboldt Croghan Hole Trinity Summit 1676 Comment
  HSC57616  Antennaria racemosa G. L. Clifton, Griswold 1979-7-25 10740 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC38313  Anthoxanthum odoratum Peter Sorensen 1976-6-2 Humboldt North Spit Comment
  HSC8940  Anthoxanthum odoratum R. Berg 1963-2-23 1 Humboldt Arcata, Fickle Hill area Comment
  RSA311304  Anthoxanthum odoratum R. F. Thorne, P. Everett 1956-8-8 35256 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  UC1103320  Anthoxanthum odoratum Joseph P. Tracy 1926-4-17 7412 Humboldt Northern Coast Ranges, Eurek Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC187269  Anthoxanthum odoratum Joseph P. Tracy 1906-4-29 2424 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC526831  Anthoxanthum odoratum Joseph P. Tracy 1925-7-5 7164 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, 1066 Comment
Read comments
Jul 18 2012
  JEPS83355  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-30 359 Humboldt 0.9 mi from Hwy. 299 in Willow Creek (2.7 mi from start of Patterson Rd (at end of River Rd), FS Rd 10N02 (to Waterman Ridge and Horse Linto Creek), 0.8 mi n of jct with Sunset Pl); Willow Creek, Willow Creek Quad. (15', 1952) 213 Comment
  UC582470  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1933-8-30 13004 Humboldt Horse Mountain; Northern Coast Ranges 1066 Comment
  UC582471  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1935-10-13 14756 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC36170  Apium graveolens Gary S. Lester 1973-12-2 60 Humboldt Arcata Comment
  HSC57897  Apocynum androsaemifolium Overton, Butler 1979-7-31 11477 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  RSA43832  Apocynum androsaemifolium subsp. pumilum H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  UC22889  Apocynum cannabinum Chesnut and Drew July 1888 Humboldt Grouse Creek Comment
  HSC31555  Aquilegia formosa Glenn McGourty 1974-5-11 45 Humboldt Along Maple Creek Rd. Comment
  HSC70390  Arabis breweri var. breweri Gail Newton 1980-6-7 140 Humboldt Near Brush Mtn. 1128 Comment
  HSC103965  Arabis breweri var. breweri A. Thoele, Sydney Carothers 1995-7-13 39 Humboldt Six Rivers National Forest; Potato Hill, NE side of Pilot Creek. Take SR1 to jct. with 3N14, walk NW 1.4 mi., then SW 1/3 mi. down ridge 1498 Comment
  RSA0126138  Arabis divaricarpa var. interposita Joseph P. Tracy 1932-7-11 10396 Humboldt Klamath Mountains, Trinity Summit, open ground at Corral Prairie. 1524 Comment
  HSC57667  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-25 10851 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC79191  Arabis subpinnatifida D. K. Imper 1984-5-17 Humboldt Sims Mountain 1280 Comment
  HSC7604  Arbutus menziesii D. E. Anderson 1965-5-15 3707 Humboldt Along Hwy. 299, just N of Sugar Bowl Ranch. Comment
  UC1196882  Arbutus menziesii Joseph P. Tracy 1941-3-26 16847 Humboldt w of mouth of South Fork Trinity River 457 Comment
  UCR32149  Arbutus menziesii David J. Keil 1983-7-1 17263 Humboldt North Coast Range, Bull Creek Flats Road, c. 8 mi west of junction US 101 Comment
  UC1182190  Arctostaphylos J. A. Delapp 1959-10-7 57 Humboldt 5 3/4 mi ne Schoolits Peak (Wiregrass Prairie, Plot V1); Quad 11 C-1 853 Comment
  UC1225937  Arctostaphylos X media Joseph P. Tracy 1945-3-30 17505 Humboldt Eureka 45 Comment
  CAS-BOT-BC25215  Arctostaphylos canescens subsp. canescens Clarence Roy Quick 1959-7-24 96 .59-40. Humboldt Bee Mt., ca. 12 miles SW of Orleans Comment
  RSA20914  Arctostaphylos canescens var. candidissima C. B. Wolf 1937-8-13 9229 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  CAS-BOT-BC23726  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12582 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. Summit of barren ridge 1 mile S. of road. 1219 Comment
  CAS-BOT-BC23758  Arctostaphylos columbiana Alice Eastwood 1907-4-22 98 a Humboldt Adams Station, across river. Comment
  CAS-BOT-BC23820  Arctostaphylos columbiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  CAS-BOT-BC23823  Arctostaphylos columbiana Carl B. Wolf 1927-8-30 1241 Humboldt Paradise, 5 or 6 mi. no. of Ettersburg. Comment
  HSC33059  Arctostaphylos columbiana Thomas W. Nelson 1974-5-7 1238 Humboldt Kneeland Rd. at jct. with Maple Creek Rd. Comment
  HSC7618  Arctostaphylos columbiana J. Pursell 1964-10-11 10114 Humboldt Big Lagoon Park, 1 mi. N of Big Lagoon school, approx. 200 yds. W of the road Comment
  JEPS24943  Arctostaphylos columbiana J. E. Adams 1935-5-12 1045 Humboldt Patrick's Point Comment
  JEPS38944  Arctostaphylos columbiana Joseph P. Tracy 1932-2-28 9772 Humboldt around Humboldt Bay; Northern Coast Region, Table Bluff 60 Comment
  JEPS38962  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt near summit Hoopa Mountain (ridge 1 mi s of road from Hoopa to Bair's) 1219 Comment
  JEPS38963  Arctostaphylos columbiana Joseph P. Tracy 1935-2-9 13710 Humboldt Big Lagoon 3 Comment
  SBBG58415  Arctostaphylos columbiana H. E. Parks 1931-3-25 917 Humboldt near Patrick's Pt Comment
  SEINET11989090  Arctostaphylos columbiana var. tracyi R. Gankin, Hildreth, W. R. 1967-1 1170 Humboldt 21.4 mi E of US 101 on Bald Hills Rd (from Orick), French Camp Ridge Comment
  HSC100468  Arctostaphylos manzanita Carl C. Marshall Apr 1886 397 Humboldt Hoopa Valley. Comment
  UC1193138  Arctostaphylos manzanita subsp. manzanita R. H. Neuns 1950-10-10 138 Humboldt 3 mi n Thorne; Quad 29C3 304 Comment
  UC585969  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1934-7-9 13348 Humboldt Dobbyn Creek 152 Comment
  HSC44450  Arctostaphylos nevadensis Brad Klipfel 1975-5-30 654 Humboldt Horse Mtn. Comment
  CAS-BOT-BC40065  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1934-3-11 13154 Humboldt French Camp Ridge 1066 Comment
  UCD52853  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1174 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  UCD52857  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1976-10-26 1177 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  UCD53275  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16419 Humboldt Grouse Mountain. 1524 Comment
  CAS-BOT-BC27298  Arctostaphylos tracyi Joseph Prince Tracy 1923-2-18 6141 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC43979  Arctostaphylos uva-ursi Greg de Nevers 2001-4-18 12251 Humboldt Lanphere-Christenson dunes, near Arcata. 9 Comment
  CAS-BOT-BC43990  Arctostaphylos uva-ursi Doris Kildale Gillespie 1931-6-7 10660 Humboldt South Fork Mt. Black Lookout 1726 Comment
Read comments
May 16 2019
  CAS-BOT-BC43993  Arctostaphylos uva-ursi Robert F. Thorne; P. Everett 1965-8-5 35156 Humboldt Samoa Dunes 3 Comment
  CAS-BOT-BC46795  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17505 Humboldt Eureka 45 Comment
  HSC39960  Arctostaphylos uva-ursi Linda M. Barker 1976-4-13 1379 Humboldt 3 mi. W of Arcata Comment
  RSA286310  Arctostaphylos uva-ursi var. coactilis R. F. Thorne 1974-7-29 45082 Humboldt Samoa Dunes. Comment
  UC1198658  Arctostaphylos viscida subsp. viscida Joseph P. Tracy 1939-4-29 16258 Humboldt 2 mi sw Orleans; Klamath River 121 Comment
  UC1576922  Arctotheca calendula T. C. Fuller and G. D. Barbe 1989-6-8 4321 Humboldt on, 3.4 mi w of Main Street, in Larry Pries dairy Centerville Beach Road; Ferndale Comment
  CDA10101  Arctotheca prostrata Gordon Leppig 2000-4-9 1288 Humboldt Arcata. Union Street at 7th Street. South of Phillips House. Comment
  CAS-BOT-BC64625  Armeria maritima subsp. californica W. R. Dudley 1899-6-1 723 Humboldt Eureka Peninsula. Comment
  HSC16896  Armeria maritima subsp. californica F. B. Plett 1963-4-27 33 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC16898  Armeria maritima subsp. californica L. H. Myers 1963-5-5 2 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  RSA286359  Armeria maritima subsp. californica Robert F. Thorne 1974-7-29 45068 Humboldt Samoa Dunes: Between Humboldt Bay and Pacific Ocean. Comment
  SEINET7253518 Image available Armeria maritima subsp. californica Joseph P. Tracy 1927-1 8115 Humboldt Trinidad 3 Comment
  HSC65884  Arnica cernua M. A. Baker 1980-6-16 1944 Humboldt Near Onion Mtn. 1280 Comment
  HSC96075  Arnica cernua J. Breton, A. Livingston, J. Lumbert 2005-6-24 1 Humboldt Horse Mtn. radio tower, 1/2 mile from intersection of three F.S. roads, 4.5 miles from Hwy. 299 on Titlow Hill Rd. 1445 Comment
  UC302175  Arnica latifolia Mrs. L. B. Kildale 1926-4-25 Humboldt Sugar Bowl Mt. Trinity River 457 Comment
Read comments
Mar 1 2007
  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
  HSC58169  Artemisia douglasiana G. L. Clifton, Griswold 1979-8-2 12240 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC58342  Artemisia douglasiana Overton, Butler 1979-8-2 12667 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS36984  Artemisia dracunculus W. L. Jepson 1936-8-12 17877 Humboldt second terrace of the river South Fork Eel River, Philipsville Comment
  HSC46965  Artemisia pycnocephala J. P. Smith, Thomas W. Nelson 1977-6-30 9216 Humboldt Samoa Peninsula just E of the drag strip. Comment
  UC1222994  Artemisia pycnocephala Joseph P. Tracy 1947-8-31 17929 Humboldt Samoa Sand Dunes Comment
  SDSU6205  Artemisia suksdorfii D. F. Howe 1963-7-8 3620 Humboldt 2.5 miles west of Bridgeville on #36. 152 Comment
  CAS-BOT-BC400527  Asarum caudatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SEINET3873461  Asarum caudatum Richard R. Halse 2011-3-25 8163 Humboldt Along U.S. Hwy 101 ca 2.8 miles south of Stafford, near Exit 674.; 0 74 Comment
  HSC62996  Asarum caudatum David Wheeler 1979-5-9 100 Humboldt Humboldt State University campus, 1/4 mi. E of the dorms along Jolly Giant Creek Comment
  RSA114387  Asarum caudatum G. R. Campbell 1955-9-20 21468 Humboldt 4 mi. NE of Strongs Station (Van Duzen River) on Yager road Comment
  HSC1049  Aspidotis densa D. E. Anderson 1965-5-1 3582 Humboldt Along road to Bluff Creek campground, about 3 mi. from its junction with Hwy. 96 Comment
  HSC99110  Aspidotis densa Cara Witte 2008-6-13 715 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1382 Comment
  RSA686386  Aspidotis densa Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain Trail 915 Comment
  RSA20814  Aster chilensis C. B. Wolf 1937-9-9 9312 Humboldt N Coast Range, Wildcat ridge, 6.3 miles S of Ferndale. 305 Comment
  CHSC70008  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Road. 500 Comment
  UC1199092  Astragalus pycnostachyus var. pycnostachyus Joseph P. Tracy 1930-7-21 8891 Humboldt 3 mi s of point Cape Mendocino (southwestern slopes, fronting the ocean); Northern Coast Ranges, s Cape Mendocino 3 Comment
  POM214878  Astragalus rattanii var. rattanii Joseph P. Tracy 1932-6-19 10245 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  UC175638  Astragalus rattanii var. rattanii Joseph P. Tracy 1913-6-20 4241 Humboldt nw slope Buck Mountain (lower foothills); Northern Coast Ranges, lower foothills Buck Mountain 762 Comment
  UC33516  Astragalus rattanii var. rattanii Chesnut and Drew July 1888 Humboldt Mad River Comment
  UC82583  Astragalus rattanii var. rattanii J. W. Blankinship 1893-6-15 Humboldt Bridgeville Comment
  CAS-BOT-BC193140  Astragalus rattanii var. rattanii Volney Rattan 1884-1-1 s.n. Humboldt Eel River Comment
  UC397265  Astragalus rattanii var. rattanii P. E. Goddard June, 1907 b. 124 Humboldt Van Duzen Comment
  HSC64136  Astragalus umbraticus J. P. Smith, J. O. Sawyer, R. J. Cole 1977-7-2 3054 Humboldt Rd. 11N17 between Dagsaw Springs and Divide Lake 793 Comment
  SEINET948796  Astragalus umbraticus Joseph P. Tracy 1914-1 4595 Humboldt Bal mountians, between high prairie and snow camp. 1219 Comment
  UC1199093  Astragalus umbraticus Joseph P. Tracy 1940-8-25 16706 Humboldt High Prairie on Bald Mountain Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  UC179937  Astragalus umbraticus Joseph P. Tracy 1914-7-5 4575 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mt., betw High Prairie-Snow Camp 1219 Comment
  UCR37845  Astragalus umbraticus D. E. Anderson 1965-5-15 3694 Humboldt About 7 mi north of Hoopa on Bloody Camp Prairie Road. Comment
  SFV18602  Asyneuma prenanthoides T. W. Nelson, J. P. Nelson 1987-6-27 8619 Humboldt Along USFS road to Onion Lake, 8.2 miles from junction with State Route 96. 823 Comment
  RSA246930  Athyrium filix-femina subsp. cyclosorum R. F. Thorne, Percy C. Everett 1965-8-9 35292 Humboldt Big Lagoon 3 Comment
  RSA413349  Athyrium filix-femina subsp. cyclosorum R. Whittaker, W. A. Niering 1963-6-14 491 Humboldt Humboldt Redwoods, Weott 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
  UCR37541  Athysanus pusillus L. P. Janeway 1983-5-21 300 Humboldt Above Titlow Hill Road. 3.3 mi south of Hwy 299 1250 Comment
  CDA23295  Atriplex patula var. obtusa Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh Comment
  UC673039  Atriplex triangularis Harold E. Parks and Joseph P. Tracy 1934-10-13 11152 Humboldt Big Lagoon 3 Comment
  UC161058  Atriplex triangularis Joseph P. Tracy 1911-10-22 3552 Humboldt Salt marsh near Eureka (region about Humboldt Bay); Northern Coast Region, , nr Eureka 0 Comment
  HSC38380  Avena barbata Peter Sorensen 1976-5-29 Humboldt King Salmon Comment
  HSC47798  Avena barbata Michael A. Watkins 1978-6-10 4 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  SEINET4175775  Avena barbata Joseph P. Tracy 1906-4-29 2426 Humboldt Edge of field near Bucksport Comment
  UC187270  Avena barbata Joseph P. Tracy 1906-4-29 2426 Humboldt near Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  HSC45051  Avena fatua R. Sutherland 1978-4-24 8 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  HSC66403  Baccharis douglasii Ruby Van Deventer 1960-8-15 Humboldt Myers Flat 122 Comment
  CAS-BOT-BC98034  Baccharis pilularis L. B. Kildale 1930-8-3 10488 Humboldt Chaparral Mt. at Bug Creek Comment
  RSA134603  Baccharis pilularis Percy C. Everett, E. K. Balls 1959-10-25 23968 Humboldt 1.5 miles from Ferndale on Old Coast Road to Capetown Comment
  HSC79368  Baccharis pilularis subsp. consanguinea Kenneth Clark 1980-11-28 1052 Humboldt Above Point No Pass 488 Comment
  SEINET3132551  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-11-20 1409 Humboldt Arcata; at the edge of the vernal pond community; hollow 10, W.M. Lanphere farm; Samoa Peninsula. Comment
  SD88368  Bellis perennis Darley F. Howe 1972-5-7 Humboldt Trinidad Comment
  SEINET5707799 Image available Bellis perennis Suzanne E. May 1967-1 34 Humboldt On State Highway 36, 1 mile west of Bridgeville.; Bridgeville 183 Comment
  UC902073  Bensoniella oregona Joseph P. Tracy 1949-8-11 18454 Humboldt Snow Camp 1432 Comment
  CAS-BOT-BC128916  Berberis aquifolium John Thomas Howell 1949-6-13 910 Humboldt Along trail between Le Perron Flat & Whitey's Peak (east of town of Orleans). 1371 Comment
  HSC24379  Berberis aquifolium J. O. Sawyer 1970-6-24 2258 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  HSC31569  Berberis nervosa Glenn McGourty 1974-5-11 39 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  UC1198381  Berberis nervosa Joseph P. Tracy 1926-6-13 7597 Humboldt Liscom Hill road near Blue Lake 152 Comment
  CAS-BOT-BC75810  Berberis pinnata Harley P. Chandler 1901-6-1 1277 Humboldt North Coast Ranges. Hupa Indian Reservation. 1097 Comment
  HSC70384  Berberis pinnata M. A. Baker 1980-6-7 1801 Humboldt Near Brush Mtn. 1128 Comment
  HSC97508  Berberis pinnata subsp. pinnata Cara Witte 2007-5-21 71 Humboldt Along National Forest 1. Approximately 1 mile north of White Oak Opening. 1267 Comment
  UC1063690  Blechnum spicant H. L. Person 1932-7-19 Humboldt Dolbier Carson Land Lindsay Creek; Eureka Quadrangle Comment
  UC399399  Blechnum spicant Chesnut and Drew 1888-7-8 26 Humboldt near Arcata Comment
  POM247177  Boisduvalia glabella Joseph P. Tracy 1934-7-9 13349 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC31367  Bolboschoenus maritimus Carl B. Wolf 1927-8-28 1180 Humboldt Salt Marsh bordering Eureka Bay, on road to Arcata. Comment
  HSC69759  Bolboschoenus robustus Thomas W. Nelson 1977-9-22 3748 Humboldt E side of SR 101 just N of the Eureka Airport Comment
  UC1478440  Botrychium multifidum Keith Curry 1974-1 Humboldt 5 mi s Trinidad (roadside rest Hwy. 101) Comment
  HSC96373  Botrychium multifidum Gordon Leppig 1999-10-3 1256 Humboldt Big Lagoon on NE corner of fen 3 Comment
  CAS-BOT-BC420254  Boykinia occidentalis Ira L. Wiggins 1930-7-22 4694 Humboldt along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  CAS-BOT-BC420257  Boykinia occidentalis Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  CAS-BOT-BC420269  Boykinia occidentalis Harley P. Chandler 1901-6-1 1501 Humboldt Klamath River 426 Comment
  HSC39223  Boykinia occidentalis D. E. Anderson, J. P. Smith 1971-7-6 - 1320 Humboldt Rock wall near bridge over Supply Creek Comment
  HSC67082  Boykinia occidentalis Richard Spjut 1980-5-19 6198 Humboldt Between Willow Creek and Hoopa along Hwy. 96 Comment
  POM232051  Boykinia occidentalis Roxana S. Ferris 1937-8-21 9390 Humboldt Cleft in cliff above beach. Shelter Cove. Comment
  CAS-BOT-BC106291  Brickellia californica Doris K. Kildale 1925-9-26 1367 Humboldt Mouth of Mad River in coast. Comment
  HSC25983  Brickellia californica Thomas W. Nelson 1970-9-3 232 Humboldt Mad River. Comment
  UC581795  Brickellia californica Joseph P. Tracy 1931-10-18 9736 Humboldt Camp Grant, along Eel River, 2-5 mi e of the South Fork Eel River 45 Comment
  CAS-BOT-BC127682  Brickellia greenei Joseph P. Tracy 1939-8-16 16401 Humboldt Horse Mountain, in open forest of Jeffrey Pine, in serpentine belt 1432 Comment
  HSC60021  Briza maxima M. A. Baker 1978-5-6 476 Humboldt Bald Hills Rd., between Klamath River and French Camp Rd. Comment
  HSC33759  Briza minor Margaret Weatherwax 1975-5-24 159 Humboldt Dunes off Samoa Blvd. across from boat landing Comment
  HSC89421  Briza minor P. A. Daly 1984-7-15 32 Humboldt Trinidad Head 61 Comment
  HSC71719  Brodiaea elegans subsp. elegans M. A. Baker 1980-6-26 2445 Humboldt Near Sims Creek 610 Comment
  UC1222693  Brodiaea elegans subsp. elegans Joseph P. Tracy 1950-6-23 18867 Humboldt 3 mi ne Alderpoint (at creek); Dobbyn Creek 213 Comment
  HSC3017  Brodiaea terrestris subsp. terrestris D. E. Anderson 1963-5-25 2493 Humboldt 4 mi. W of Petrolia Comment
  JEPS516  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1936-5-30 14837 Humboldt near Samoa; Humboldt Bay 6 Comment
  CAS-BOT-BC144348  Bromus W. R. Dudley 1899-6-19 s.n. Humboldt Scotia. Comment
  UC1103284  Bromus carinatus var. carinatus Joseph P. Tracy 1907-4-1 2556 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC526930  Bromus commutatus Joseph P. Tracy 1932-6-4 10135 Humboldt Northern Coast Ranges, Bridgeville Bridgeville; Northern Coast Ranges, Bridgeville 228 Comment
  HSC9295  Bromus diandrus R. H. Berg 1963-5-12 72 Humboldt King Salmon, S of Eureka. Comment
  HSC9297  Bromus diandrus J. R. Eichelberger 1964-5-3 46 Humboldt 2 mi. N of Fieldbrook Comment
  JEPS72928  Bromus diandrus Lincoln Constance 1934-5-26 674 Humboldt Bull Creek Region, South Fork Eel River, s end of Dyerville Bridge Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  RSA34310  Bromus diandrus L. Larsen 1935-5-6 s.n. Humboldt [no additional locality data provided] Comment
  UC187099  Bromus hordeaceus Joseph P. Tracy 1908-6 2690 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  HSC71600  Bromus laevipes M. A. Baker 1980-6-26 2411 Humboldt Near Sims Creek 610 Comment
  SEINET200827 Image available Bromus sterilis Joseph P. Tracy 1916-5-31 4698 Humboldt Along Eel River from South Fork to Scotia. Holmes Flat. Comment
  HSC71601  Bromus tectorum M. A. Baker 1980-6-26 2414 Humboldt Near Sims Creek 610 Comment
  JEPS72925  Bromus vulgaris Lincoln Constance 1934-6-7 830 Humboldt Bull Creek Region, South Fork Eel River, Johnson Prairie Johnson Prairie; Bull Creek Region, South Fork Eel River, Johnson Prairie Comment
  UC1103268  Bromus vulgaris Joseph P. Tracy 1912-7-25 3817 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC180480  Bromus vulgaris Joseph P. Tracy 1914-5-14 4444 Humboldt Northern Coast Ranges, Fort Seward Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UCD60237  Bromus vulgaris P. B. Kennedy 1923-8-2 s.n. Humboldt Bluff Creek, to Arcata. Comment
  HSC95586  Cakile edentula Andrea Pickart 2002-7-8 160 Humboldt N Spit Dunes, Mad River Co. Park, W of parking area 0 Comment
  CHSC32805  Cakile maritima Lora L. Anderson 1981-4-25 2 Humboldt Ca. 500 yds e of ocean, 0.5 mi w of hwy 101, 11.5 mi nw of Arcata, beach. 0 Comment
  SEINET3148036  Cakile maritima J. W. Johnson 1961-8-17 1066 Humboldt Arcata. W.M. Lanphere Farm, Samoa Peninsula Comment
  UC1145049  Calamagrostis rubescens Joseph P. Tracy 1938-7-17 16082 Humboldt Garberville; river bank 152 Comment
  HSC17627  Calandrinia ciliata Elrid H. Spinas 1948-5-22 32 Humboldt Horse Mtn. Comment
  HSC78988  Calandrinia ciliata L. P. Janeway 1984-4-11 727 Humboldt N Spit of Humboldt Bay, NW of the boat ramp and N of the Coast Guard Station 5 Comment
  HSC95579  Calandrinia ciliata Andrea Pickart 2002-3-14 6 Humboldt Samoa Dunes, BLM Endangered Plant Protection Area 0 Comment
  HSC1284  Calocedrus decurrens P. J. Zinke 1950-8-2 148 Humboldt Elk Ridge 7 mi. W of Miranda 640 Comment
  UC1197681  Calochortus amabilis Joseph P. Tracy 1935-5-25 13895 Humboldt Dobbyn Creek 152 Comment
  SEINET4169781  Calochortus catalinae Unknown 1935-7-14 Humboldt Clear Lake 1524 Comment
  HSC34998  Calochortus tolmiei Thomas W. Nelson 1975-5-24 1879 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC73535  Calochortus tolmiei Gail Newton 1980-7-14 1494 Humboldt Near Last Chance Ridge. 1219 Comment
  UC146214  Calochortus tolmiei Joseph P. Tracy 1908-6-8 2624 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC14999  Calochortus tolmiei Mrs. M. H. Manning Apr 1901 10 Humboldt near Hupa Comment
  CAS-BOT-BC494360  Calochortus tolmiei Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  HSC26870  Calochortus tolmiei Clifton Raymond Chesbrough 1973-6-19 94 Humboldt 0.5 mi. N of College Cove along coast Comment
  SEINET6879028  Calochortus tolmiei W. P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  UC1537208  Calochortus tolmiei Gordon H. True Jr. 1936-5-11 456 Humboldt 12 mi w Miranda; Elk Ridge 457 Comment
  CAS-BOT-BC275368  Calycadenia truncata var. truncata Harley P. Chandler 1901-6-1 1492 Humboldt Klamath River 426 Comment
  UC1196478  Calypso bulbosa Joseph P. Tracy 1918-5-1 4900 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC38744  Calypso bulbosa M. Mesler, K. Mesler, J. D. Ackerman 1976-4-25 752 Humboldt Hwy. 36, E of Bridgeville, near tip of ridge W of Dinsmore Comment
  UC1196474  Calypso bulbosa Joseph P. Tracy 1927-5-15 8062 Humboldt on road to Bair's from Hoopa (at head of Pine Creek, near summit of Hoopa Mountain); Hoopa Mountain, Pine Creek 1066 Comment
  UC1196475  Calypso bulbosa Arthur E. Connick 1928-4-15 Humboldt Prairie Creek 91 Comment
  HSC32545  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 1973-7-10 1030 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  JEPS90808  Calystegia occidentalis subsp. occidentalis Dean W. Taylor 1991-8-15 12298 Humboldt ridge 1 mi w of Horse Mountain; North Coast Ranges 1493 Comment
  SBBG5774  Calystegia occidentalis subsp. occidentalis H. and M. Dearing 1939-5-24 Humboldt Pass Rd, Dyerville to Mattole Comment
  UC1197874  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1898-7-15 257 Humboldt near Hydesville (Yager Creek); , near Hydesville 60 Comment
  HSC48792  Calystegia occidentalis subsp. occidentalis Brad Klipfel 1975-6-17 660 Humboldt 2 mi. E of Titlow Hill Rd. along Hwy. 299 Comment
  CHSC68784  Calystegia sepium subsp. limnophila Vernon Oswald 1997-6-5 8530 Humboldt Arcata Oxidation Ponds on South G St., south of Hwy 255. 6 Comment
  SEINET3992217  Camassia leichtlinii Unknown 1912-6-30 3717 Humboldt Eureka 61 Comment
  UC1222552  Camassia quamash J. P. Tracy 1951-6-14 19407 Humboldt Snow Camp 1402 Comment
  UC302169  Camassia quamash Joseph P. Tracy 1925-7-5 7179 1/2 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC26875  Camissonia cheiranthifolia Clifton Raymond Chesbrough 1973-6-19 79 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  NY679547  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1924-7-24 13881 Humboldt At Humboldt County camp, 7 miles S of Trinidad. Comment
  CAS-BOT-BC160240  Camissoniopsis cheiranthifolia subsp. cheiranthifolia C. C. Harris; S. K. Harris; Clarence Crane, Jr. 1939-8-23 s.n. Humboldt On beach-sand at Samoa Comment
  JEPS31757  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1923-8-4 183 Humboldt about 2 mi n Big Lagoon (on sand bar); Stone Lagoon Comment
  POM232035  Campanula prenanthoides I. L. Wiggins 1930-7-22 4690 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  SEINET10462967  Campanula prenanthoides Stephen S. Tillett 1956-7-6 Tillett 612 Humboldt Area cleared by logging and fire, south slope along Bar Shanty Road, 5 miles from Orleans 488 Comment
  SEINET10873282  Campanula prenanthoides Rattan 1878-1 RATTAN s.n. Humboldt Comment
  RSA46687  Campanula scouleri Doris K. Kildale 1937-7-18 15143 Humboldt Horse Mt. Comment
  SEINET10463752  Campanula scouleri Rattan 1883-6-29 RATTAN s.n. Humboldt Near Redwood Creek Comment
  SEINET10463761  Campanula scouleri Tracy 1927-8-22 TRACY 8353 Humboldt High Prairie, on Bald Montain, in open woods. 1067 Comment
  SEINET201622  Campanula scouleri Joseph P. Tracy 1937-7-25 15560 Humboldt Happy Camp Mountain In Trinity Summit Range NE of Hawkins Bar. 1280 Comment
  HSC35279  Capsella bursa-pastoris J. D. Ackerman, A. M. Montalvo 1975-6-22 492 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36 Comment
  UC492256  Cardamine angulata Joseph P. Tracy 1928-4-29 8425 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  HSC6694  Cardamine californica J. L. Baker 1965-4-12 43 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC6703  Cardamine californica Elrid H. Spinas 1948-5-15 17 Humboldt Horse Mtn. Comment
  LA204275  Cardamine californica Victor Duran; 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville Comment
  UC519693  Cardamine californica Victor Duran 1933-5-11 3405 Humboldt near Bridgeville (Van Duzen River); , near Bridgeville Comment
  UC1116221  Cardamine californica var. sinuata Joseph P. Tracy 1948-4-11 17963 Humboldt 1 mi e Dyerville (near South Fork Station); e of Dyerville, near South Fork Station 60 Comment
  POM232317  Cardionema ramosissimum I. L. Wiggins 1930-7-11 4687 -a Humboldt Near Samoa Comment
  CAS-BOT-BC281809  Carduus tenuiflorus Doris K Niles 1951-1-1 s.n. Humboldt Niles Ranch Comment
  CAS-BOT-BC18268  Carex David D. Keck 1946-7-4 5604 Humboldt South Fork of Eel River, 8 miles north of Garberville. Comment
  CAS-BOT-BC18517  Carex abrupta Joseph Prince Tracy 1932-7-14 10548 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  CAS-BOT-BC18002  Carex aquatilis var. dives Joseph Prince Tracy 1934-7-30 13504 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon). 3 Comment
  JEPS25971  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  UC1103603  Carex aquatilis var. dives Joseph P. Tracy 1938-7-6 16024 Humboldt Big Lagoon 6 Comment
  HSC96377  Carex arcta Gordon Leppig, Tony LaBanca 2005-9-21 2321 Humboldt Pacific Lumber Company land; Clark Mountain Fen, Headwaters of Root Creek on NW side of Clark Mountain. 400 Comment
  JEPS109966  Carex arcta Dean W. Taylor 2006-8-3 19575 Humboldt Snow Camp Lake; northwestern end of the lake 1396 Comment
  HSC104333  Carex arcta James Regan, Humboldt Redwood Co., LLC 2007-6-22 27 Humboldt Small pond near Fox Creek 61 Comment
  UC1152067  Carex athrostachya Joseph P. Tracy 1950-7-16 18990 Humboldt Burr Valley, lower end Buck Mountain, NW slope 1066 Comment
  CAS-BOT-BC19217  Carex barbarae Henry M. Pollard 1945-8-26 s.n. Humboldt Near Orleans Hotel, Klamath River Canyon. 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
  UC562278  Carex bolanderi Joseph P. Tracy 1936-6-9 14912 1/2 Humboldt Upper Mattole 457 Comment
  BLMAR502  Carex bolanderi Jennifer Wheeler 2009-5-9 502 Humboldt Headwaters Forest Reserve, HRC U08 Road; spur close to Elk River Comment
  HSC44057  Carex bolanderi Thomas W. Nelson, Jane P. Nelson 1977-7-1 3559 Humboldt Along Blanket Creek 1494 Comment
  HSC98948  Carex bolanderi Cara Witte 2008-7-25 934 Humboldt Friday Ridge Rd. (6N08). Approximately 1 mile east of intersection with Forest Service Road 5N10. 1325 Comment
  UC1103602  Carex concinnoides Joseph P. Tracy 1927-6-12 8145 Humboldt Horse Mountain 1432 Comment
  POM161061  Carex concinnoides Joseph P. Tracy 1926-6-6 7567 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  CHSC35530  Carex densa Thomas Nelson; Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore. 762 Comment
  CAS-BOT-BC34974  Carex densa Joseph Prince Tracy 1936-6-3 14847 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  JEPS26000  Carex densa Joseph P. Tracy 1936-6-3 14848 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC562256  Carex densa Joseph P. Tracy 1936-6-17 14953 Humboldt Buck Mountain, lower foothills of its northwest slope Northern Coast Ranges 762 Comment
  JEPS113012  Carex deweyana subsp. leptopoda Dean W. Taylor 1991-8-15 12280 B Humboldt Snow Camp Lake 1310 Comment
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Apr 8 2012
  CAS-BOT-BC19961  Carex exsiccata Joseph Prince Tracy 1927-7-17 8277 Humboldt North Coast Ranges. Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  CAS-BOT-BC19966  Carex exsiccata Joseph Prince Tracy 1934-8-14 13574 Humboldt North Coast Ranges. Alton; Along Van Duzen River. 30 Comment
  SEINET7558573 Image available Carex feta K. E. Sau 1934-5-28 50 Humboldt Fort Seward. 610 Comment
  SEINET11631099  Carex fracta J. P. Tracey 1950-1 18963 Humboldt "Fern Spring", Happy Camp Mountain (in Trinity Summit Range, 6 mi NE of Hawkins Bar) 1280 Comment
  UC1103076  Carex globosa Joseph P. Tracy 1933-6-9 12538 Humboldt Englewood North Coast Ranges 91 Comment
  UC249741  Carex globosa Joseph P. Tracy 1921-4-24 5448 Humboldt Phillipsville Northern Coast Ranges, South Fork of the Eel River 121 Comment
  UCSC000105  Carex globosa H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Arcata - Eureka Comment
  UC2020226  Carex gynodynama Joseph P. Tracy 1906-6-24 2508 Humboldt Northern Coast Region, south slope of Humboldt Hill. Comment
  UC562729  Carex gynodynama Joseph P. Tracy 1927-5-8 7969 Humboldt Northern Costa Ranges. Phillipsivelle, facing south Fork of Eel River. Comment
  UC1103098  Carex harfordii Joseph P. Tracy 1935-6-8 13939 Humboldt at Eureka Northern Coast Ranges 0 Comment
  UC1103592  Carex hendersonii J. P. Tracy 1899-4-30 312 Humboldt immediate vicinity Eureka 0 Comment
  UC1103593  Carex hendersonii Joseph P. Tracy 1937-6-20 15348 Humboldt 10 mi upstream mouth of Bear River; Bear River 152 Comment
  POM126517  Carex lenticularis var. limnophila Joseph P. Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  SEINET10710170  Carex leptopoda David Castaner 1989-6-19 Castaner 10248 Humboldt Fern Canyon. Comment
  UC1103587  Carex luzulina var. luzulina Joseph P. Tracy 1933-7-16 12771 Humboldt South Fork Mountain, McKay Camp Northern Coast Ranges 1676 Comment
  JEPS79849  Carex lyngbyei Joseph P. Tracy 1927-7-16 8248 Humboldt near mouth Elk River (around Humboldt Bay); Northern Coast Region 3 Comment
  UC1133402  Carex lyngbyei H. S. Yates 1936-6-23 5861 Humboldt 1 mi w Bayside; Eureka Quadrangle 0 Comment
  UC194811  Carex lyngbyei Joseph P. Tracy 1915-6-6 4646 Humboldt near mouth Elk River (region about Humboldt Bay); Northern Coast Region 0 Comment
  RSA0014503  Carex mendocinensis Joseph P. Tracy 1926-6-6 7576 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  CAS-BOT-BC31948  Carex microptera Joseph Prince Tracy 1935-7-14 14087 Humboldt Grouse Mountain, wet meadow. 1524 Comment
  CAS-BOT-BC32132  Carex multicaulis Joseph Prince Tracy 1942-6-2 17105 Humboldt Valley of South Yager Creek. 762 Comment
  UC152055  Carex multicaulis Joseph P. Tracy 1950-7-1 18958 Humboldt near Friday Camp; Grouse Mountain, Friday Ridge 1219 Comment
  CHSC40158  Carex nudata L. P. Janeway 1983-6-22 322 Humboldt Along the north edge of Mad River, near jct of North Bank Road and Hunts Drive. 4 Comment
  CHSC47355  Carex nudata L. P. Janeway 1984-5-13 784 Humboldt Levee on E side Eel River near Fortuna and Sandy Prairie Rd. 12 Comment
  UC194810  Carex nudata Joseph P. Tracy 1915-6-27 4654 Humboldt above Carlotta (Yager Creek) 91 Comment
  CHSC10107  Carex obnupta J. W. Johnson 1961-8-17 1055 Humboldt Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC86478  Carex obnupta Rudolf W. Becking 1988-4-9 Humboldt South Spit, opposite Fields Landing Comment
  JEPS80017  Carex obnupta Joseph P. Tracy 1912-6-16 3702 Humboldt adjacent to salt marsh, Hookton Northern Coast Region, Humboldt Bay, Hookton 0 Comment
  SEINET7569471 Image available Carex obnupta David Castaner 1989-6-19 10250 Humboldt Gold Bluff Beach, at entrance. Comment
  UC249734  Carex obnupta Joseph P. Tracy 1923-9-2 6541 Humboldt McClellan Mt. Northern Coast Ranges 914 Comment
  UC194815  Carex ovalis Joseph P. Tracy 1914-7-4 4547 Humboldt High Prairie Northern Coast Ranges, Bald Mountain; High Prairie on Bald Mt., Humboldt Co. 1066 Comment
  CAS-BOT-BC119232  Carex pachystachya Joseph Prince Tracy 1936-7-5 15043 Humboldt Grouse Mountain. 1524 Comment
  UC201994  Carex pachystachya Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC1103095  Carex pachystachya Joseph P. Tracy 1934-7-12 13374 Humboldt e Big Lagoon 3 Comment
  UC303073  Carex praticola Joseph P. Tracy 1915-6-6 4641 Humboldt Eureka, Stephen Hill place Northern Coast Region 0 Comment
  CAS-BOT-BC118230  Carex scopulorum var. bracteosa Joseph Prince Tracy 1932-7-17 10675 Humboldt Trinity Summit. Wet meadow heading into Devil's Hole. 1828 Comment
  SEINET4152293  Carex subbracteata Unknown 1928-6-24 8470 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC116942  Carex subbracteata Joseph Prince Tracy 1935-7-27 14296 Humboldt Trinity Summit, open places at McKay Prairie. 1584 Comment
  HSC102154  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1062 Humboldt Patterson Meadows 1555 Comment
  HSC102155  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1063 Humboldt Patterson Meadows 1555 Comment
  JEPS109269  Carex unilateralis D. W. Taylor 2004-6-24 19135 Humboldt Clear Lake, Titlow Hill Road Comment
  RSA152530  Carex unilateralis Joseph P. Tracy 1946-5-30 17539 Humboldt Wet gully in grassland near Bridgeville. 457 Comment
  UC1115821  Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt old Strong's District School House, 5 miles E of town 45 Comment
  UC1152050  Carex utriculata Joseph P. Tracy 1950-8-7 19264 Humboldt Box Camp Trinity Summit 1463 Comment
  JEPS79840  Carex vesicaria var. major Joseph P. Tracy 1934-7-13 13388 Humboldt Dow's Prairie 60 Comment
  UC1103612  Carex vesicaria var. major Joseph P. Tracy 1912-10-20 3995 Humboldt Loleta pond Northern Coast Ranges 3 Comment
  UC1103613  Carex vesicaria var. major Joseph P. Tracy 1923-9-2 6542 Humboldt Mc Clellan Mt. Northern Coast Ranges 914 Comment
  HSC7090  Carex viridula B. D. Rogers 1965-10-2 1017 Humboldt Big Lagoon 0 Comment
  SBBG57215  Carex viridula H. E. Parks -Sep-1935 5214 Humboldt center of Dry Lagoon, S of Orick Comment
  UC1196862  Castilleja affinis subsp. affinis Joseph P. Tracy 1908-6 2812 Humboldt opposite Buck Mountain; North Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1196863  Castilleja affinis subsp. litoralis Joseph P. Tracy 1912-4-21 3575 Humboldt n slope Humboldt Hill; Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC90264  Castilleja ambigua subsp. humboldtiensis Jean Hanson 1980-5-24 69 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of Island, SW shore, 25 ft. from high tide line Comment
  UC1222799  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1950-6-17 18839 Humboldt Eureka slough at the railroad bridge Eureka Comment
  CAS-BOT-BC255519  Castilleja applegatei var. pinetorum Duart V. Brown 1947-4-2 30 Humboldt Hillside just above river, near Sweed Creek, Trinity River 426 Comment
  CAS-BOT-BC255521  Castilleja applegatei var. pinetorum F. W. Pennell; J. P. Tracy 1940-7-7 26097 Humboldt Grouse Mountain, w. of Salyer 1554 Comment
  SEINET4095680  Castilleja exserta O. M. Clark 1932-1 5341 Humboldt North Eureka. Comment
  HSC20881  Castilleja exserta subsp. latifolia J. W. Johnson 1961-9-6 1106 Humboldt Arcata, Christenson Farm, Samoa Peninsula Comment
  JEPS10649  Castilleja exserta subsp. latifolia Frank W. Peirson 1926-7-14 7064 a Humboldt Table Bluff Lighthouse Table Bluff Comment
  UC582576  Castilleja foliolosa Joseph P. Tracy 1934-7-9 13329 Humboldt 5 mi s Harris; Mail Ridge 762 Comment
  HSC55751  Castilleja miniata G. L. Clifton, Griswold 1979-7-26 10283 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC41774  Castilleja miniata Chesnut and Drew Aug 1888 Humboldt Grouse Creek Comment
  HSC38886  Castilleja miniata J. O. Sawyer 1970-6-25 2300 Humboldt 1646 Comment
  HSC99043  Castilleja pruinosa Cara Witte 2008-6-4 678 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1307 Comment
  JEPS8622  Castilleja pruinosa Joseph P. Tracy 1926-6-27 7676 Humboldt Horse Mountain; Northern Coast Ranges 1432 Comment
  UC1502102  Ceanothus R. Sutherland 1975-7-4 3 .4.7 75 Humboldt se corner of S 11 Pt. Delgada Quad. 548 Comment
  UC1502103  Ceanothus R. Sutherland 1975-7-4 8 .4.7 75 Humboldt Pt. Delgada Quad. 518 Comment
  UC1502112  Ceanothus R. Sutherland 1976-1-30 4 .30.76 Humboldt Pt. Delgada Quad. 990 Comment
  UC1502113  Ceanothus R. Sutherland 1976-2-2 A 1 .2.76 Humboldt saddle just ne Rattlesnake Ridge; Pt. Delgada Quad., just ne of Rattlesnake Ridge 1051 Comment
  HSC44432  Ceanothus arcuatus Brad Klipfel 1975-5-24 634 Humboldt Horse Mtn. Comment
  HSC44451  Ceanothus arcuatus Brad Klipfel 1975-5-30 653 Humboldt Horse Mtn. Comment
  UC1193335  Ceanothus cordulatus P. Zinke 1950-10-9 77 Humboldt King Peak King Peak Quad. 28D1 1280 Comment
  CAS-BOT-BC49654  Ceanothus foliosus var. foliosus M. S. Jussel 1931-5-2 104 Humboldt Garberville Comment
  HSC36675  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-13 11 .13575 Humboldt Brushy flat 509 Comment
  HSC37603  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-13 15 .13575 Humboldt Brushy flat 509 Comment
  OBI36663  Ceanothus integerrimus David J. Keil 1983-7-2 17325 Humboldt Ca. 4 mi SE of SR299 along Titlow Hill rd below Horse Mtn Summit rd Comment
  HSC101655  Ceanothus oliganthus var. sorediatus J. P. Smith, J. O. Sawyer 2011-4-23 13115 Humboldt Along Salmon Creek Rd., 2.5 miles from its Junction with U.S. 101 91 Comment
  UC176049  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1913-6-27 4354 Humboldt Near Bridgeville McClellan Mountain, Northern Coast Ranges 457 Comment
  CAS-BOT-BC51209  Ceanothus parryi Mrs. E. C. Suttiffe 1933-6-3 s.n. Humboldt Redwood Highway, west Humboldt County Comment
  HSC101658  Ceanothus parryi J. P. Smith, J. O. Sawyer 2011-4-23 13118 Humboldt Along Salmon Creek Rd., 4.6 miles from its junction with U.S. 101. 290 Comment
  SEINET12211458  Ceanothus pumilus Unknown 1986-1 60171 Humboldt At the Trinity Co. line: The Lassics, betw. Red Lassic and Lassic peaks 1768 Comment
  CAS-BOT-BC52988  Ceanothus thyrsiflorus A. A. Heller 1937-6-11 15916 Humboldt Sandy bluff above Patric Point State park, near Big Lagoon Comment
  HSC18332  Ceanothus thyrsiflorus D. E. Anderson 1962-2-10 1919 Humboldt 1.5 mi. S of Trinidad Comment
  UC1198000  Ceanothus thyrsiflorus J. P. Tracy 1901-6-23 1166 Humboldt Eureks 0 Comment
  UC275289  Ceanothus thyrsiflorus Joseph P. Tracy 1924-8-10 6796 Humboldt Strongs' Station Northern Coast Ranges, Van Duzen River (on Van Duzen River) 91 Comment
  UCSC000467  Ceanothus thyrsiflorus A. E. Wieslander 1931-5-21 209 Humboldt China Flat, Kneeland Comment
  SBBG71387  Ceanothus thyrsiflorus var. thyrsiflorus R. Hartwell 1938-8-6 Humboldt above Arcata, near coast Comment
  CDA35602  Ceanothus velutinus T. C. Fuller, T. Gallion 1959-7-23 2817 Humboldt Red Gap Road, 3 miles east of Hoopa. 0 Comment
  JEPS44148  Centaurea cyanus Lincoln Constance 1934-6-25 928 Humboldt on e side of road at Englewood (across the road from Collins' Englewood Campground); Bull Creek Region, South Fork Eel River Comment
  CDA42256  Centaurea diffusa R. Spadoni, Green 2002-10-9 PDR P 070865 Humboldt Northwestern California; Pacific Lumber Co, Scotia. 0 Comment
  RSA32866  Centaurium muehlenbergii A. A. Heller 1923-7-8 13768 Humboldt Eight miles south of Dyerville. Comment
  UC1198631  Centaurium muehlenbergii Joseph P. Tracy 1918-7-1 4965 Humboldt from South Fork to Scotia (Holmes Flat, along Eel River); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC1602124  Centaurium muehlenbergii Joseph P. Tracy 1950-6-23 18873 Humboldt 3 mi n Blocksburg (Alder Point on Larrabee Creek); Larrabee Creek, Alder Point Comment
  SDSU7104  Centaurium tenuiflorum D. F. Howe 1963-7-8 3622 Humboldt 8.2 miles west of Bridgeville on Cal 36, Van Duzen River. 91 Comment
  UC1199381  Centromadia fitchii Joseph P. Tracy 1925-8-23 7247 Humboldt Harris Northern Coast Ranges 914 Comment
  UC1198614  Centunculus minimus Joseph P. Tracy 1934-6-23 13254 1/2 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  HSC98795  Cephalanthera austiniae Cara Witte 2008-7-3 828 Humboldt Intersection of Friday Ridge Rd (6N08) and 5N39 1512 Comment
  CAS-BOT-BC384902  Cerastium arvense W. C. Blasdale 1896-5-31 s.n. Humboldt Eureka Comment
  HSC12705  Cerastium glomeratum Jana Kattenhorn 1970-10-28 151 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  HSC39961  Cerastium glomeratum Linda M. Barker 1976-4-13 1381 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  UC1199059  Cercis occidentalis Joseph P. Tracy 1939-4-29 16249 Humboldt Slate Creek Klamath River (mouth) 121 Comment
  HSC56986  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9534 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  CDA30198  Chamaesyce maculata M. K. Beyers, I. Shepardson 2009-9-13 237 Humboldt In dry portion of the eastern side of the Eel River, east of State Route 254 (Avenue of the Giants) and Highway 101. Just west of the unincorporated community of Shively. 0 Comment
  HSC69761  Chamaesyce maculata Thomas W. Nelson, Jane P. Nelson 1977-9-4 3747 Humboldt Willow Creek Comment
  SBBG60189  Chamerion angustifolium R. Hartwell 1938-8-7 Humboldt near Eureka Comment
  UCD103644  Chamerion angustifolium subsp. circumvagum E. B. Alexander 1959-7-23 43 Humboldt California Forest and Range Experiment Station. 1 mile NW of Trinidad. Comment
  HSC55201  Cheilanthes gracillima Overton 1979-8-1 12308 Humboldt Near Mill Cr., close to the town of Hoopa 1402 Comment
  UCD97749  Chenopodium album Linda M. Barker 1976-8-24 1680 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA53850  Chenopodium botrys H. M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC473030  Chenopodium macrospermum var. farinosum Malcom A. Nobs; S. Galen Smith 1949-8-11 1340 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  RSA44503  Chenopodium pumilio H. M. Pollard 1947-8-31 s.n. Humboldt Orleans Hotel grounds, Orleans. Comment
  HSC102586  Chimaphila menziesii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1573 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC54858  Chimaphila menziesii G. L. Clifton, Griswold 1979-7-25 10754 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC73779  Chimaphila menziesii M. A. Baker 1980-6-7 1772 Humboldt Near Brush Mtn. 1128 Comment
  UCR45440  Chimaphila menziesii Barry Silver 1986-5-3 568 Humboldt North Coast Ranges, Forest Road 7N02 to Waterman Ridge, 7 mi from Willow Creek 976 Comment
  CAS-BOT-BC451388  Chimaphila menziesii S. Matthews; M. Goering; R. James 1985-5-10 060 Humboldt Gray Falls Campground 240 Comment
  UC21649  Chimaphila menziesii J. Burtt Davy 1899-6-18 5620 Humboldt Bald Mt. near Korbel; Bald Mt. Comment
  CAS-BOT-BC451497  Chimaphila umbellata L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road Comment
  UC154039  Chimaphila umbellata Joseph P. Tracy 1908-6 2879 Humboldt opposite Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  CAS-BOT-BC452226  Chimaphila umbellata Doris K. Kildale 1925-8-16 1163 Humboldt Trinity Summit Trail between forks of Tish-tang-i-tank Creek & Elk Horn Prairie 1524 Comment
  RSA119360  Chimaphila umbellata subsp. occidentalis S. S. Tillett 1956-7-6 616 Humboldt Along Bar Shanty Road, 9 mi. from Orleans. 945 Comment
  RSA467018  Chimaphila umbellata subsp. occidentalis A. C. Life 1924-2-23 14589 Humboldt Kings Mts.,Redwood Park. Comment
  CAS-BOT-BC236918  Chloropyron maritimum subsp. palustre Joseph P. Tracy 1938-7-15 16064 Humboldt At Fields Landing, around Humboldt Bay 3 Comment
  RSA167191  Chrysanthemum segetum Joseph P. Tracy 1950-6-17 18831 Humboldt At Eureka. Comment
  SEINET11835174  Chrysanthemum segetum J. P. Tracy 1950-1 18831 Humboldt Eureka Comment
  CAS-BOT-BC36478  Chrysolepis chrysophylla Doris Kildale Gillespie 1931-6-7 10592 Humboldt South Fork Mt. Blake lookout 1726 Comment
  HSC8057  Chrysolepis chrysophylla H. E. Parks, J. P. Tracy 1930-9-15 765 Humboldt Road to Kneeland Bald Hills Comment
  RSA1834  Chrysolepis chrysophylla Carl B. Wolf 1930-10-30 1786 Humboldt Old coast road at Thorn. 305 Comment
  UC1193060  Chrysolepis chrysophylla var. minor G. W. Tourtillott 1950-10-11 34 Humboldt 1 mi w Queens Peak 609 Comment
  UC503101  Chrysolepis sempervirens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8951 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  JEPS35983  Cichorium intybus Lincoln Constance 1934-6-25 933 Humboldt Bull Creek Region. South Fork Eel River. On E side of road at Englewood, across the road from Collin's Englewood Campground. Comment
  UCD127284  Cicuta douglasii R. V. Parke; J. M. Tucker 1953-5-30 2652 Humboldt near mouth of Salmon Creek, east side of Highway 101, around 8 miles south of Eureka. Comment
  CAS-BOT-BC284403  Cirsium arvense Alice Eastwood 1921-7-21 10659 Humboldt Carlotta Comment
  CAS-BOT-BC284405  Cirsium arvense Doris K. Kildale 1925-7-26 1069 Humboldt Mad River at West End Crossing Comment
  SD113203  Cirsium arvense Darley F. Howe 1959-8-4 2801 Humboldt 78.5 miles west of Weaverville on Highway 299. 609 Comment
  HSC40773  Cirsium brevistylum Thomas W. Nelson 1976-7-9 3014 Humboldt Along S.R. 36 just E of Heley Creek Comment
  CHSC97934  Cirsium cymosum T. R. Haig 1960-6-16 Humboldt Near quarry at Kneeland. Comment
  CAS-BOT-BC278061  Cirsium douglasii var. breweri Alice Eastwood; John Thomas Howell 1937-6-24 4865 Humboldt 5 miles east of Berry Summit Comment
  CAS-BOT-BC279974  Cirsium douglasii var. douglasii John Thomas Howell 1937-7-31 13716 Humboldt 5 miles east of Berry Summit Comment
  UC249821  Cirsium douglasii var. douglasii Joseph P. Tracy 1924-7-6 6717 B Humboldt near Ruby Creek (on the Willow Creek Highway); Northern Coast Ranges 609 Comment
  SEINET200852  Cirsium edule J. C. Fario Jr 1940-6-14 sn Humboldt Bear River Ridge 610 Comment
  HSC5401  Cirsium occidentale var. venustum D. G. Hauger 1967-7-15 27 Humboldt On Lone Star Ranch 610 Comment
  CAS-BOT-BC288712  Cirsium remotifolium Joseph P. Tracy 1930-7-21 8887 Humboldt Bear River RIdge Comment
  HSC74326  Cirsium remotifolium M. A. Baker 1980-6-26 2423 Humboldt Near Sims Creek 610 Comment
  HSC40956  Cirsium vulgare Linda M. Barker 1976-8-24 1684 Humboldt 3 mi. W of Arcata Comment
  SBBG65940  Cirsium vulgare R. Hartwell 1938-8-3 103 Humboldt near Weott Comment
  HSC5384  Cirsium vulgare J. L. Baker 1965-4-13 48 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC16236  Clarkia amoena J. P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, S of point of the Cape 3 Comment
  UC162624  Clarkia amoena Joseph P. Tracy 1911-7-10 3499 Humboldt along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges 762 Comment
  CAS-BOT-BC160945  Clarkia amoena subsp. amoena Peter H. Raven; R. Snow 1958-7-21 13656 Humboldt 7.2 miles north-west of Capetown on road to Ferndale Comment
  CAS-BOT-BC160971  Clarkia amoena subsp. amoena L. R. Abrams 1918-6-16 7169 Humboldt Willow Creek Comment
  POM256477  Clarkia amoena subsp. amoena Joseph P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, near the ocean shore, south of point of the Cape 3 Comment
  POM92414  Clarkia amoena subsp. amoena L. R. Abrams 1922-6-25 8229 Humboldt 6 miles N of Garberville, along Eel River. Comment
  CAS-BOT-BC164178  Clarkia concinna Doris K. Kildale 1927-5-17 3179 a Humboldt Fish Creek near Garberville Comment
  CAS-BOT-BC164182  Clarkia concinna Doris K. Kildale 1925-5-24 873 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  HSC78965  Clarkia davyi L. P. Janeway 1984-5-16 792 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 3 Comment
  UC184710  Clarkia davyi Joseph P. Tracy 1912-7-21 3771 Humboldt Alton Northern Coast Region 30 Comment
  UC1222857  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1950-6-15 18806 Humboldt 7 mi n Harris; Mail Ridge Comment
  POM299419  Clarkia purpurea subsp. quadrivulnera C. C. Harris, S. K. Harris, J. P. Tracy 1942-6-22 1261 Humboldt 7 miles north and 5 miles east of Willow Creek 165 Comment
  CDA9703  Clarkia rubicunda D. G. Kelch 2007-7-25 7 .507 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  SEINET196691 Image available Claytonia perfoliata subsp. intermontana Joseph P. Tracy 1949-6-6 18306 Humboldt Trinity Summit Range; Happy Camp Mt., NE of Hawkins Bar. 1280 Comment
  SEINET9136502  Claytonia perfoliata subsp. mexicana C. E. Fellows 1972-4-29 485 Humboldt Ca 20 meters below the W side of the road to Kneeland, 8 miles ESE of Eureka, 3.1 miles above town of Freshwater. 610 Comment
  HSC78959  Claytonia perfoliata subsp. perfoliata L. P. Janeway, K. Berg 1984-4-11 726 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  UC183593  Claytonia rubra subsp. depressa Joseph P. Tracy 1913-3-23 4027 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  SEINET200312  Claytonia rubra subsp. rubra J. P. Tracy 1913-6-16 4141 Humboldt Dinsmore's Ranch in valley of Van Duzen River opposite Buck Mt. 762 Comment
  HSC32285  Claytonia saxosa D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5623 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC67375  Claytonia saxosa Thomas W. Nelson, James Nelson 1980-6-10 5415 Humboldt Along Swayback Ridge Rd., 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  CHSC1384  Claytonia sibirica M. Underhill 1952-7-12 Humboldt Wet bank. 121 Comment
  HSC64323  Claytonia sibirica J. P. Smith, J. O. Sawyer 1973-5-12 6686 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC64327  Claytonia sibirica J. P. Smith 1973-5-26 6850 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  POM117947  Claytonia sibirica Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  RSA246824  Claytonia sibirica R. F. Thorne, Percy C. Everett 1965-8-5 35130 Humboldt Wailaki Recreation site. 518 Comment
  RSA271707  Claytonia sibirica Jane Turner, Francis M. Ball 1962-7-9 1133 ` Humboldt Redwood forest, beside scenic rdwood Hwy 2 miles S of jct with freeway, 40 miles N of Mendocino-Humboldt County line Comment
  UC1537254  Claytonia sibirica Gordon H. True Jr. 1936-5-12 472 Humboldt 5 mi s Kneeland 457 Comment
  RSA137345  Claytonia sibirica I. L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  SDSU9795  Claytonia sibirica D. F. Howe 1961-8-1 3114 Humboldt 12.7 miles north of Arcata on # 101. Comment
  CAS-BOT-BC92594  Clematis ligusticifolia Henry M. Pollard 1948-7-23 s.n. Humboldt Near Orleans. Comment
  UC503039  Clematis ligusticifolia Joseph P. Tracy 1928-9-2 8495 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  CAS-BOT-BC499341  Clintonia andrewsiana Doris K. Kildale 1926-7-22 2413 Humboldt Metropolitan, woods near Canyon Peak Comment
  RSA407373  Clintonia andrewsiana Lyman Benson 1928-7-11 455 Humboldt Bull Creek Flat; Dyerville, Seaward N Coast Mt. Range, South Fork Eel River. 61 Comment
  UC1541329  Clintonia andrewsiana H. E. and S. T. Parks May 1930 754 Humboldt up the Van Duzen River Van Duzen River Comment
  CAS-BOT-BC499963  Clintonia uniflora Doris Kildale 1931-5-10 10688 Humboldt Snow Camp Comment
  CAS-BOT-BC499965  Clintonia uniflora Mrs. H. C. Cantelow 1939-6-5 s.n. Humboldt Near Van Duzen River, 1 1/2 miles west of Dinsmore Comment
  UC1197661  Clintonia uniflora Joseph P. Tracy 1939-5-30 16299 Humboldt opposite Buck Mountain (near Dinsmore's Ranch, Van Duzen River); Van Duzen River 762 Comment
  HSC70391  Collinsia grandiflora Gail Newton 1980-6-7 120 Humboldt Near Brush Mtn. 1128 Comment
  HSC73765  Collinsia greenei Gail Newton 1980-7-11 1317 Humboldt Near Red Mtn. 1341 Comment
  HSC89590  Collinsia heterophylla M. Roantree 1985-5-24 58 Humboldt S of Trinidad Head summit near cross Comment
  UC1196759  Collinsia parviflora Joseph P. Tracy 1933-7-26 12909 Humboldt North Coast Ranges, at summit of Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1630 Comment
  HSC63485  Collomia grandiflora M. A. Baker 1977-6-20 388 Humboldt Weitchpec Comment
  JEPS71031  Collomia grandiflora Milo S. Baker 1923-7-20 37 Humboldt head Yager Creek Comment
  HSC16925  Collomia heterophylla D. E. Anderson 1961-9-30 1854 Humboldt Divide Lake. 915 Comment
  CDA40007  Collomia heterophylla T. R. Haig 1960-6-18 s.n. Humboldt Kneeland. 0 Comment
  HSC16920  Collomia heterophylla D. E. Anderson 1963-5-18 2450 Humboldt Near junction of New and Trinity Rivers Comment
  UC133640  Collomia tracyi Joseph P. Tracy 1908-6 2720 Humboldt opposite Buck Mountain (along river on sand bar); Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  CAS-BOT-BC157348  Comarum palustre Volney Rattan 1883-6-4 s.n. Humboldt 3 ms. from Eureka Comment
  HSC8636  Conium maculatum J. R. Lippincott 1967-7-16 12 Humboldt 1 mi S of Blue Lake on West End Rd. Comment
  CHSC110735  Coptis laciniata Dean Wm. Taylor 2011-5-4 21115 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junction with Highway 36 737 Comment
  HSC49219  Coptis laciniata J. O. Sawyer 1977-4-23 2846 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC99341  Corallorhiza maculata T. Jimerson, J. Pageau 1979-6-12 526 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  RSA183523  Corallorhiza maculata D. E. Anderson 1965-5-15 3687 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  UC1196451  Corallorhiza maculata Joseph P. Tracy 1932-7-17 10663 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC14966  Corallorhiza maculata Harley P. Chandler June, 1901 1395 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  RSA20798  Corallorhiza maculata Carl B. Wolf 1937-8-13 9263 Humboldt North Coast Range, 12 mi. E. of Hoopa Valley on New Road toward Trinity Summit. 1677 Comment
  JEPS64350  Corallorhiza mertensiana Virginia P. Fox July 1919 Humboldt Bald Mountain Comment
  HSC63191  Corallorhiza striata M. A. Baker 1979-6-28 940 Humboldt Comment
  HSC90967  Cordylanthus maritimus subsp. palustris Gail Newton 1982-6-5 3574 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC100234  Cordyline australis J. P. Smith 2010-5-29 12891 Humboldt Eureka; Near intersection of West Del Norte St. and Railroad Ave. Comment
  HSC39628  Cornus nuttallii Thomas W. Nelson, Jane P. Nelson 1976-6-15 2733 Humboldt Just W of Goat Hill, along branch road off FS 2S08 1463 Comment
  UC249598  Cornus sericea subsp. sericea Joseph P. Tracy 1921-9-4 5949 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  CAS-BOT-BC210542  Cornus sessilis Carl B. Wolf 1941-2-28 9971 Humboldt Junction of Willow Creek & its e. fork 457 Comment
  RSA46902  Cornus sessilis Doris K. Kildale 1926-8-15 2507 Humboldt Willow Creek. 152 Comment
  UC1052446  Cornus sessilis H. E. and S. T. Parks 1941-7-5 11492 Humboldt Hors Linto Creek Comment
  HSC26855  Coronopus didymus Thomas W. Nelson 1971-12-5 315 Humboldt 3300 block of D St. in Eureka Comment
  CAS-BOT-BC180306  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 332 Humboldt Along Van Duzen River Comment
  HSC98546  Corylus cornuta var. californica Cara Witte 2007-5-26 652 Humboldt 3/4 mile south of Titlow Hill. 1422 Comment
  RSA729895  Cotoneaster simonsii Peter F. Zika 2007-7-19 23174 Humboldt Hookton Road, S end of Humboldt Bay, (NCo, North Coast). 10 Comment
  UC1223033  Cotula coronopifolia Joseph P. Tracy 1948-5-31 17986 Humboldt Robertson's Sheep Ranch halfway between Garberville and Harris; Robertson's Ranch 609 Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  HSC78083  Crassula aquatica L. P. Janeway, K. Berg, Rudy Becking 1984-4-11 719 Humboldt N Spit of Humboldt Bay, BLM lands ('Coast Guard Reservation') 3 Comment
  HSC79466  Crassula connata Kenneth Clark 1981-4-5 1226 Humboldt 1/4 E of Dead Man's Gulch 122 Comment
  CAS-BOT-BC376515  Crepis Volney Rattan 1867-6-1 s.n. Humboldt Unspecified Comment
  POM220924  Crepis capillaris D. D. Keck, J. Clausen 1935-6-16 3397 Humboldt Orick Comment
  UC1787277  Crepis capillaris G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6998 Humboldt North coastal strand.: North spit of Samoa Peninsula, 0.5 mi N of CA-225 bridge over Humboldt Bay. 6 Comment
  CAS-BOT-BC291481  Crepis capillaris E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  CDA4466  Crepis capillaris T. R. Haig 1960-6-2 Humboldt 1mile west of Rio Dell, Humbolt Co., CA. 0 Comment
  UC581728  Crepis pleurocarpa Joseph P. Tracy 1933-8-30 13033 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC98848  Crepis pleurocarpa Cara Witte 2008-7-11 871 Humboldt National Forest Road 6N36. 1/4 mile from intersection with National Forest 1. 1443 Comment
  HSC98635  Croton setiger Cara Witte 2008-8-16 1031 Humboldt Along National Forest 1. On Kinsey Ridge. 1336 Comment
  HSC58175  Cryptantha affinis G. L. Clifton, Griswold 1979-8-2 12257 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  SEINET12280692  Cryptantha affinis J. P. Tracy 1950-1 18956 Humboldt Friday Ridge 1219 Comment
  HSC39787  Cryptantha leiocarpa Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  HSC55070  Cryptogramma acrostichoides G. L. Clifton, Griswold 1979-7-31 11650 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC6400  Cuscuta salina J. Wendell Howe 1934-7-18 988 Humboldt Humboldt Bay Comment
  JEPS93171  Cuscuta salina var. major Margriet Wetherwax and Kevin Downing 1993-8-9 2459 Humboldt on E side of Humboldt Bay, just N of Eureka; S side of Eureka Slough, near Bayside Road and Myrtle. Marsh at end of the road to church 5 Comment
  HSC34495  Cynoglossum grande J. D. Ackerman 1975-5-3 438 Humboldt Ca. 3.5 mi. E of Chezem Rd. and Hwy. 299 intersection W of Redwood Creek Comment
  HSC3639  Cynoglossum grande Paul Shields Apr 1955 Humboldt Kneeland Comment
  BLMAR144  Cynosurus echinatus Donald Hazlett 1994-6-7 144 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC45050  Cynosurus echinatus R. Sutherland 1978-4-24 3 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  RSA10069  Cynosurus echinatus Joseph P. Tracy, H. E. Parks 1933-6-11 12542 Humboldt Near Miranda 152 Comment
  UC1103242  Cynosurus echinatus Joseph P. Tracy 1942-6-15 17141 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  POM89794  Cyperus bipartitus Joseph P. Tracy 1920-8-15 5366 Humboldt Klamath River, at mouth of Bluff Creek 152 Comment
  CDA38926  Cyperus eragrostis Gordon Leppig 1998-6-26 859 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. Comment
  CAS-BOT-BC114059  Cyperus squarrosus Joseph Prince Tracy 1931-9-7 9662 Humboldt Damp sand bars along river. Trinity River Valley at Willow Creek. 152 Comment
  HSC55069  Cystopteris fragilis G. L. Clifton, Griswold 1979-7-31 11649 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC98728  Cystopteris fragilis Cara Witte 2007-7-20 563 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1460 Comment
  JEPS35178  Cystopteris fragilis Joseph P. Tracy 1925-11-25 7325 Humboldt near S Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC14675  Cytisus scoparius William J. Ferlatte 1963-4-21 19 Humboldt Near 11th and A St., Arcata Comment
Read comments
Dec 18 2011
  RSA0049663  Cytisus scoparius Dean Wm. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm (Larabee Valley quadrangle), vicinity of the road crossing of Knack Creek 341 Comment
  CAS-BOT-BC189763  Dactylis glomerata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC47796  Dactylis glomerata M. A. Watkins 1978-6-10 3 Humboldt East side of the 7th Street overpass of Hwy 101 Comment
  HSC9535  Dactylis glomerata R. H. Berg 1963-2-23 2 Humboldt Fickle Hill area, Arcata Comment
  JEPS71177  Dactylis glomerata W. L. Jepson 1936-8-13 17893 Humboldt South Fork Eel River Phillipsville; South Fork Eel River Comment
  SBBG53086  Dactylis glomerata R. N. Philbrick, J. R. Haller 1976-6-25 6 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC1541567  Dactylis glomerata Harold E. Parks May 1933 4307 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  CAS-BOT-BC189765  Dactylis glomerata Doris K. Kildale 1928-6-24 5246 Humboldt Redwood Creek at Berry's. 289 Comment
  UC1152019  Danthonia unispicata Joseph P. Tracy 1951-7-26 19593 Humboldt Redwwod Creek Board Camp Mountain (extreme head, n side of mt.) Comment
  UC1198472  Datisca glomerata Joseph P. Tracy 1911-7-10 3494 Humboldt Valley of Trinity River (near mouth of Willow Creek); Northern Coast Ranges, Willow Creek 152 Comment
  SEINET5744809 Image available Daucus carota Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6111 Humboldt Collected in a waste area along Giuntoli Lane in Arcata. Adjacent to Eureka Sand and Gravel company and across the road from T.P. Tire Service (1265 Giuntoli Lane).; Arcata Comment
  JEPS14239  Daucus pusillus Joseph P. Tracy 1936-6-8 14870 Humboldt Trinidad Comment
  UC32464  Daucus pusillus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC420522  Daucus pusillus Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5417 Humboldt near Hubbards Comment
  UC1197355  Daucus pusillus Joseph P. Tracy 1918-7-3 4996 Humboldt Shelter Cove Northern Coast Ranges, Shelter Cove 15 Comment
  BLMAR630  Delphinium decorum Jennifer Wheeler 2011-6-15 630 Humboldt Lacks Creek, Pine Ridge Road Comment
  RSA0005306  Delphinium decorum subsp. tracyi H. E. Parks, J. P. Tracy 1930-5-25 789 Humboldt Laribee Valley 915 Comment
  OBI10845  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley at Willow Crk 152 Comment
  UC1196329  Delphinium nudicaule Joseph P. Tracy 1933-7-11 12684 Humboldt Grouse Mountain Northern Coast Ranges 1524 Comment
  CAS-BOT-BC9956  Delphinium nudicaule Joseph Prince Tracy 1927-5-30 8084 Humboldt Near Briceland 243 Comment
  HSC98172  Delphinium nudicaule Allan R. Marshall 1962-5-11 9 Humboldt 50 yds. in front of N side of Hwy. 299 610 Comment
  CHSC1447  Delphinium trolliifolium A. Small 1954-6-3 Humboldt Near Ferndale. Comment
  HSC24424  Delphinium trolliifolium R. Spellenberg 1965-6-14 1131 Humboldt 3.5 mi. S of Kneeland, 1.5 mi. N of junction with Barry Rd. Comment
  UC1196341  Delphinium trolliifolium Joseph P. Tracy 1921-6-19 5831 Humboldt Berry Mt. Northern Coast Ranges 914 Comment
  CAS-BOT-BC194298  Deschampsia cespitosa subsp. cespitosa David D. Keck 1938-8-5 4773 Humboldt Big Lagoon Comment
  UC187271  Deschampsia danthonioides J. P. Tracy 1903-5-24 1911 Humboldt Alder Point on Eel. R. Alder Point; Eel. R., Alder Point 152 Comment
  UC552716  Deschampsia danthonioides Joseph P. Tracy 1935-6-23 13969 Humboldt French Camp Ridge 1066 Comment
  CDA31675  Deschampsia elongata T. C. Fuller 1962-8-6 9363 Humboldt Near Hwy 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Rd., 1 miles west of Green Point School. 0 Comment
  HSC39715  Deschampsia elongata D. E. Anderson, J. P. Smith 1971-6-28 - 1263 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC58650  Deschampsia elongata G. L. Clifton 1979-7-31 11682 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1225761  Descurainia incisa subsp. incisa Joseph P. Tracy 1947-8-24 17921 Humboldt near Box Camp (along trail to Water Dog Lakes); Trinity Summit 1676 Comment
  CHSC7026  Dicentra formosa K. R. Stern 1964-6-16 2113 Humboldt .7 mi. n of Big Lagoon bridge on w side of US Hwy. 101. Comment
  HSC91892  Dicentra formosa E. Mackey 1987-3-1 Humboldt Patrick's Point State Park Comment
  HSC26869  Dicentra formosa Clifton Raymond Chesbrough 1973-6-19 93 Humboldt 1/2 mi. N of College Cove Comment
  RSA273432  Dicentra formosa subsp. formosa M. A. Baker 1977-4-23 176 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  CAS-BOT-BC402410  Dicentra formosa subsp. formosa Milo S. Baker 1923-7-15 7 Humboldt Eureka Swamp, spot near Hayes and M. Sts. Comment
  UC176178  Dichelostemma capitatum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3614 Humboldt near Hydesville; Northen Coast Region 30 Comment
  CAS-BOT-BC483663  Dichelostemma capitatum R. James; M. Goering; S. Matthews 1985-4-20 040 Humboldt Burnt Ranch Campground, Shata-Trinity National Forest 432 Comment
  CAS-BOT-BC483665  Dichelostemma capitatum Doris K. Kildale 1927-4-17 3097 Humboldt Breeland Bridge 1/2 mile west of Garberville 114 Comment
  SEINET12053836  Dichelostemma capitatum L. K. Henry 1971-1 Humboldt along Rt. 36, 2 mi E of Dinsmore, in Six Rivers National Forest Comment
  UC275549  Dichelostemma capitatum Joseph P. Tracy 1923-6-25 6375 Humboldt Table Bluff Northen Coast Ranges 91 Comment
  HSC38087  Dichelostemma ida-maia Thomas W. Nelson, Jane P. Nelson 1976-5-30 2608 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC48151  Dichelostemma ida-maia Brad Klipfel 1975-6-17 665 Humboldt Along Titlow Hill Rd. Comment
  CAS-BOT-BC501013  Dichelostemma ida-maia Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  CAS-BOT-BC501015  Dichelostemma ida-maia W. R. Dudley 1899-6-20 s.n. Humboldt Near Eel River Comment
  CAS-BOT-BC501024  Dichelostemma ida-maia Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC1198181  Dichelostemma ida-maia Joseph P. Tracy 1947-5-10 17684 Humboldt Miranda South Fork of Eel River 121 Comment
  HSC38524  Dichelostemma multiflorum D. E. Anderson, J. P. Smith 1971-6-18 - 1072 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC500982  Dichelostemma multiflorum Harley P. Chandler 1901-6-1 1310 Humboldt Hupa Indian Reservation 152 Comment
  CDA6260  Digitalis purpurea T. C. Fuller 1958-6-17 1725 Humboldt Petrolia, Lower Mattole. 0 Comment
  UC146198  Disporum hookeri Joseph P. Tracy 1908-6-9 2663 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS55589  Disporum smithii W. Roderick 1961-6-28 Humboldt 5.4 road mi ne of Weitchpec (Klamath River); Klamath River Comment
  SEINET4170370  Disporum smithii Unknown 1933-5-21 12209 Humboldt McClellan Mountain 671 Comment
  CAS-BOT-BC208658  Distichlis spicata Malcom A. Nobs; S. Galen Smith 1949-8-3 1178 Humboldt Salt marshes around Fields Landing Comment
  HSC2192  Distichlis spicata J. P. Tracy 1933-8-22 12989 Humboldt Mouth of Eel River. 3 Comment
  HSC9631  Distichlis spicata J. D. Wilder 1965-5-19 46 Humboldt Along Humboldt Bay, N end. Comment
  HSC9633  Distichlis spicata D. J. McVean 1965-5-22 83 Humboldt Along slough just W of Jackson Rd., 1/4 mi. N of Samoa Rd. Comment
  HSC70347  Dodecatheon hendersonii M. A. Baker 1980-6-7 1815 Humboldt Near Brush Mtn. 1128 Comment
  HSC3845  Downingia elegans Doris K. Niles 1940-7-20 2 Humboldt Summit of Friday Ridge Rd., Grouse Mtn. 1829 Comment
  UC1001280  Downingia elegans W. L. Jepson 1927-7-3 12363 Humboldt Miranda South Fork Eel River 228 Comment
  UC249685  Draba verna Joseph P. Tracy 1922-4-2 5986 Humboldt near Carlotta (Van Duzen River); Northern Coast Ranges, Van Duzen River bar 30 Comment
  UC492182  Drymocallis glandulosa var. wrangelliana Joseph P. Tracy 1927-5-30 8088 Humboldt Briceland Northern Coast Ranges, Briceland 182 Comment
  HSC48406  Drymocallis lactea var. lactea Brad Klipfel 1973-6-10 107 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 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
  HSC23414  Dryopteris expansa Mary Spindler, Roger Bucholtz 1971-11-18 126 Humboldt H.S.C. Campus SW side of Home Ec. under wooden stairway Comment
  JEPS35138  Dryopteris expansa Milo S. Baker 1923-7-16 20 Humboldt 4 mi se Eureka Comment
  RSA693562  Dryopteris expansa Anstruther Davidson 1923-8-11 s.n. Humboldt Redwood Forest Comment
  SFV7745  Dysphania botrys T. Gordon, K. Kimbrough 1975-8-22 1225 Humboldt Eel River. 61 Comment
  HSC41210  Dysphania botrys Thomas W. Nelson, Jane P. Nelson 1977-9-3 3724 Humboldt Along Forest Service Rd. to N of Alder Springs 1524 Comment
  UC1103265  Echinochloa crus-galli Joseph P. Tracy 1932-10-2 10860 Humboldt Redwood Creek near Bair's Redwood Creek; Northern Coast Range, Redwood Creek 213 Comment
  UC1100261  Echinochloa crus-galli var. crus-galli Malcolm A. Nobs and S. Galen Smith 1949-8-9 1240 Humboldt Town of Blue Lake; s side Comment
  RSA365462  Eleocharis acicularis var. acicularis Thomas W. Nelson, Jane P. Nelson 1977-6-19 3508 Humboldt Lassics: Pond above Alder Springs 1585 Comment
  CAS-BOT-BC112844  Eleocharis macrostachya Carl B. Wolf 1927-8-22 793 Humboldt Big Lagoon Comment
  UC1542873  Eleocharis pachycarpa Harold E. Parks Jun 1934 5275 Humboldt Spruce Cove Trinidad Comment
  CAS-BOT-BC112660  Eleocharis parvula Robert F. Thorne; P. Everett 1965-8-9 35342 Humboldt along Hwy 101, ca 3 mi N of Eureka along roadside. 1 Comment
  UC249740  Eleocharis parvula Joseph P. Tracy with H. E. Parks 1924-8-3 6744 Humboldt Stone Lagoon 6 Comment
  CAS-BOT-BC197346  Elymus W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  HSC58669  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12101 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  HSC58670  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12106 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  HSC9716  Elymus glaucus D. C. Juve 1964-5-16 44 Humboldt Campbell Creek Ranger Station, Camp Tish-Tang, Hwy 96. Comment
  HSC98130  Elymus hispidus Cara Witte 2007-6-28 387 Humboldt Forest Service Road 5N10. 1293 Comment
  HSC99111  Elymus lanceolatus subsp. lanceolatus Cara Witte 2007-6-14 273 Humboldt Along National Forest 1. Near Kinsey Ridge and cattle guard. 3 miles north of intersection with 4N09. 1393 Comment
  CAS-BOT-BC234112  Elymus multisetus Joseph P. Tracy 1933-7-25 12893 Humboldt Grouse Mountain 1524 Comment
  SEINET200931  Elytrigia repens J. P. Tracy 1936-8-25 15160 Humboldt Eureka 30 Comment
  SD90214  Epilobium angustifolium Benjamin C. Stone Jun 1952 129 Humboldt 20 miles south of Klamath. 14 Comment
  RSA39090  Epilobium angustifolium var. macrophyllum P. A. Munz 1948-8-15 12361 Humboldt 2 miles west of Hydesville Comment
  RSA43871  Epilobium angustifolium var. macrophyllum H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  RSA167259  Epilobium brachycarpum Joseph P. Tracy 1950-9-10 19356 Humboldt Bear River Ridge 610 Comment
  HSC99131  Epilobium brachycarpum Cara Witte 2007-7-24 571 Humboldt Titlow Hill. 1 mile north of turn off to Cold Spring. 1484 Comment
  UC183663  Epilobium brachycarpum Joseph P. Tracy 1913-8-1 3959 Humboldt opposite Buck Mountain; Northern Coast Ranges, Dinsmore's Ranch, valley of Van Duzen 762 Comment
  JEPS121642  Epilobium ciliatum Jennifer Buck, Danielle Roach 2009-8-19 Humboldt Kerlin Fen, South Fork Mountain. Sloping fen on schist, NE aspect. Blake Mountain quadrangle. SFM06B Comment
  UC562507  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1933-8-30 13028 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC103258  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-11 Humboldt Six Rivers National Forest, Trinity Mountain Quad, Lower Trinity District, Tish Tang Creek. 1311 Comment
  HSC12701  Epilobium ciliatum subsp. watsonii Jana Kattenhorn 1970-10-28 155 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 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
  HSC38333  Epilobium ciliatum subsp. watsonii Peter Sorensen 1976-7-14 Humboldt N Spit of Humboldt Bay, S of Samoa in the vicinity of Humboldt Co. Airport Comment
  HSC99090  Epilobium densiflorum Cara Witte 2008-7-10 860 Humboldt National Forest Road 4N06. 1 mile west of National Forest 1. 1234 Comment
  POM89781  Epilobium hallianum Joseph P. Tracy 1919-9-18 5234 Humboldt Trinity Summit. 1829 Comment
  HSC32934  Epilobium minutum Thomas W. Nelson, James Nelson 1973-5-28 950 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC58112  Epilobium oregonense G. L. Clifton, Griswold 1979-8-1 12068 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC169918  Epilobium septentrionale Mrs. M. H. Manning Sep 1 1900-Oct 1 1900 Humboldt near Hupa Comment
  UC62558  Equisetum hyemale subsp. affine P. E. Goddard July 1901 88 Humboldt Hupa Comment
  SEINET5526477 Image available Equisetum telmateia Unknown 1983-6-1 Humboldt Lord Ellis Summit Comment
  HSC99644  Equisetum telmateia subsp. braunii L. Watson, J. Meninga Mar 1991 22 Humboldt Near Manilla, Mad River Slough and Dunes, 0.5 mi. N of parking lot, E of trail Comment
  HSC886  Equisetum telmateia subsp. braunii Francis Winter 1960-4-19 Humboldt Samoa Pennisula 6 mi. W of Arcata. Comment
  JEPS25329  Equisetum telmateia subsp. braunii Paul C. Hutchison 1961-3-3 885 Humboldt ca. 1/2 mi s Benbow (S Fork Eel River, along U.S. Hwy. 101) Comment
  RSA53832  Eragrostis hypnoides Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC291174  Erechtites glomeratus Kenneth Clark 1980-4-18 597 Humboldt Shelter Cove. Dead Man's Gulch 42 Comment
  CAS-BOT-BC299912  Erechtites minimus K. Boynton 1920-9-28 s.n. Humboldt 6 mi. south of Ferndale Comment
  HSC5496  Erechtites minimus Paul Shields Aug 1955 Humboldt 5 mi. W of Weott Comment
  UC1198999  Eremocarpus setiger Joseph P. Tracy 1911-7-8 3452 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC1193151  Ericameria arborescens P. J. Zinke 162 Humboldt 1 mi sw Bear Butte; Quad 29C<l?> 609 Comment
  CAS-BOT-BC293487  Erigeron aliceae Joseph P. Tracy 1930-7-18 9035 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  UC581743  Erigeron aliceae Joseph P. Tracy 1930-7-18 9035 Humboldt South Fork Mountain South Fork Mountain (near McKay Camp) 1676 Comment
  HSC72616  Erigeron foliosus var. confinis J. P. Smith 1977-7-3 9259 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  RSA90920  Erigeron foliosus var. confinis F. W. Peirson 1926-7-13 7049 Humboldt River bottom, near Blue Lake, Mad River Comment
  CAS-BOT-BC300675  Erigeron foliosus var. mendocinus Doris K. Kildale 1927-6-25 3585 Humboldt Near Ettersburg Comment
  UC34629  Erigeron foliosus var. mendocinus Chesnut and Drew 1888-7-10 Humboldt Mad River Comment
  UC672189  Erigeron foliosus var. mendocinus Frank W. Peirson 1926-7-13 7049 Humboldt vicinity Blue Lake; Mad River Comment
  RSA39091  Erigeron foliosus var. mendocinus P. A. Munz 1948-8-15 12360 Humboldt 1 mile west of Van Duzen Redwood State Park Comment
  CAS-BOT-BC308849  Erigeron glaucus Doris K. Kildale 1926-6-6 2122 Humboldt Gold Bluffs Comment
  HSC59670  Erigeron glaucus George Kirn 1977-9-27 Humboldt 0.5 mi. NW of Samoa 8 Comment
  UC164848  Erigeron inornatus var. inornatus Joseph P. Tracy 1911-7-8 3442 Humboldt near mouth of Willow Creek (valley of Trinity River); Trinity River Valley 152 Comment
  HSC97707  Erigeron maniopotamicus Thomas W. Nelson, James Nelson 1980-6-10 5395 Humboldt Jack Rabbit Valley, along Swayback Ridge 4-wheel drive road, 1 mi. S of junction with Forest Service road 1494 Comment
  UC87680  Erigeron maniopotamicus J. W. Blankinship 1893-7-1 Humboldt Mad River Comment
Read comments
Sep 3 2011
  CAS-BOT-BC214576  Erigeron philadelphicus Kenneth Clark 1980-6-14 697 Humboldt Shelter Cove. North fork Dead Man's Gulch 121 Comment
  JEPS57404  Erigeron philadelphicus var. philadelphicus L. R. Heckard with T. I. Chuang 1968-7-4 1980 Humboldt n end Big Lagoon Comment
  UC87665  Erigeron strigosus var. strigosus Harley P. Chandler June 1901 1402 Humboldt Klamath River North Coast Ranges 243 Comment
  CAS-BOT-BC259148  Eriogonum latifolium Marcus E. Jones 1931-7-12 28806 Humboldt Alton Comment
  CAS-BOT-BC259163  Eriogonum latifolium Carl B. Wolf 1937-9-12 9331 Humboldt Clam Beach 7 Comment
  LA206934  Eriogonum latifolium Carl Epling; Mrs. Epling 1935-8-15 sn Humboldt Arcata Spit Comment
  SBBG64031  Eriogonum latifolium H. E. Parks -Aug-1941 24198 Humboldt Little River Comment
  SEINET10479505  Eriogonum latifolium Mary Susan Taylor 1982-10-24 Taylor 5180 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  SEINET3386405 Image available Eriogonum latifolium Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-9 15112 Humboldt On sand dunes, Clam Beach, 15 miles N of Eureka Comment
  CAS-BOT-BC259541  Eriogonum luteolum var. luteolum A. A. Heller 1924-7-20 13861 Humboldt Along the Eel River at Phillipsville Comment
  UC672908  Eriogonum nudum var. auriculatum Joseph P. Tracy 1936-6-9 14900 Humboldt near Petrolia; Mattole River 15 Comment
  CAS-BOT-BC261491  Eriogonum nudum var. nudum Carl B. Wolf 1927-8-30 1233 Humboldt 2 mi. so. of Petrolia on Matole [Mattole] River near point where road crosses river Comment
  HSC32167  Eriogonum nudum var. nudum J. O. Sawyer 1970-6-24 2243 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC1222337  Eriogonum nudum var. nudum Joseph P. Tracy 1950-8-20 19320 Humboldt just above Slate Creek (along Klamath River at Big Bar); Klamath River, Big Bar 121 Comment
  CAS-BOT-BC261721  Eriogonum nudum var. oblongifolium A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie Comment
  SD42294  Eriogonum nudum var. pubiflorum Carl B. Wolf 1937-9-8 9300 Humboldt North Coast Range, Bull Creek-Petrolia Road, 11 Mi. W. of Redwood Highway 305 Comment
  CAS-BOT-BC267877  Eriogonum umbellatum Malcolm G. Smith 1966-6-1 s.n. Humboldt Horse Mountain Comment
  HSC40976  Eriophorum crinigerum J. O. Sawyer 1970-6-24 2216 Humboldt Big Hill Rd., E of Hoopa 1189 Comment
  HSC56960  Eriophorum crinigerum Overton, Butler 1979-7-23 9474 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  HSC73935  Eriophyllum lanatum Gail Newton 1980-6-28 680 Humboldt Near Mad River Butte. 1536 Comment
  CAS-BOT-BC301018  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-21 10662 Humboldt Vanduzen [Van Duzen] River Comment
  UC180202  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1914-7-5 4572 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  BLMAR631  Eriophyllum lanatum var. arachnoideum Jennifer Wheeler 2011-6-15 631 Humboldt Lacks Creek, Bair road Comment
  UC165896  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 1/2 Humboldt hillslopes at w side of river near Willow Creek; Northern Coast Ranges, Trinity River 304 Comment
  UC582674  Eriophyllum staechadifolium Joseph P. Tracy 1934-7-2 13291 Humboldt bluffs along ocean Trinidad Comment
  UC176874  Erodium cicutarium Joseph P. Tracy 1912-6-9 3675 Humboldt Alton Northern Coast Region 30 Comment
  HSC100484  Erodium cicutarium Carl C. Marshall Jun 1887 478 Humboldt Everywhere. Comment
  HSC8495  Erodium cicutarium R. T. Forester 1963-3-13 23 Humboldt 1/4 mi. N of Fairhaven on Samoa Rd. Comment
  UC642240  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-8-20 16125 Humboldt Alton 30 Comment
  UC10525  Erysimum capitatum J. Burtt Davy 1899-6-9 5365 Humboldt n Harris; North Coast Ranges, Chamise Ridge Comment
  CAS-BOT-BC54909  Erysimum menziesii G. B. Rossbach 1955-6-10 596 Humboldt Depression in coastal dunes near Humboldt Bay lighthouse between Fairhaven and end of Sandy point off Eureka. Comment
  HSC39965  Erysimum menziesii Linda M. Barker 1976-3-22 1342 Humboldt 3 mi. W of Arcata Comment
  HSC6786  Erysimum menziesii R. T. Forester 1963-4-23 9 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  SD92948  Erythranthe grandis W. Bertsch 1953-7-30 228 Humboldt Highway 100 near Arcata Comment
  UC175814  Erythronium californicum Joseph P. Tracy 1913-5-4 4058 Humboldt Ashfield Butte Northern Coast Ranges 762 Comment
  HSC98747  Erythronium grandiflorum Cara Witte 2008-6-2 664 Humboldt National Forest 1. 2 miles south of intersection with Forest Service Road 5N09. 1588 Comment
  HSC15503  Erythronium revolutum G. N. Bos 1965-5-2 245 Humboldt 8 mi. E of Korbel on Bald Mtn. Rd. 793 Comment
  CAS-BOT-BC403040  Eschscholzia californica Carl W. Simpson 1941-5-8 19 Humboldt Garberville Comment
  UC1541242  Eschscholzia californica W. K. Parks July 1933 1398 Humboldt South Fork Mountain Comment
  JEPS51814  Eschscholzia californica W. L. Jepson 1932-8-8 16487 Humboldt Grasshopper Peak 914 Comment
  HSC58800  Eucephalus ledophyllus G. L. Clifton, Griswold 1979-7-31 11593 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  HSC100577  Eucharidium concinnum Carl C. Marshall Jul 1887 Humboldt Spruce Grove region. Comment
  RSA42022  Euchiton sphaericus H. C. Cantelow 1936-8-29 1567 Humboldt 1 mile off Riv. [High.?] S. Fork Eel River Bridge, 17 miles N of Garberville Comment
  BLMAR397  Euonymus occidentalis var. occidentalis Jennifer Wheeler 2004-7-15 397 Humboldt Jacoby creek, Growing in mixed conifer forest 304 Comment
  UC165820  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1911-9-3 3539 Humboldt 1 mi. s.e. Eureka; Northern Coast Region 0 Comment
  HSC97574  Euphorbia crenulata Cara Witte 2007-5-23 102 Humboldt Near Grouse Mtn. Along 4N32. Approximately 0.5 mi. S of intersection with 5N04 and 4N32E. 1398 Comment
  JEPS31926  Eurybia radulina Joseph P. Tracy 1921-10-16 5973 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC310678  Euthamia occidentalis Doris K. Kildale 1926-8-29 2599 Humboldt Van Duzen River near Strong's Station Comment
  CAS-BOT-BC310682  Euthamia occidentalis S. K. Harris; Charlotte Wilder 1938-9-7 s.n. Humboldt Bars of the Van Dusen River, above Blue Slide Comment
  HSC12592  Fallopia japonica C. Kline 1970-11-15 70 Humboldt Downtown Arcata, empty lot Comment
  OBI5245  Fallopia sachalinensis T. C. Fuller 1968-7-30 17447 Humboldt NE side of Hwy 101 fwy overpass, Fields landing Comment
  HSC39227  Festuca californica D. E. Anderson, J. P. Smith 1971-7-6 1285 Humboldt Horse Mtn. Comment
  UC53434  Festuca californica unknown 1896-6-9 Humboldt South Fork Mts. Northern Coast Ranges Comment
  UC180494  Festuca idahoensis Joseph P. Tracy 1913-6-20 4239 Humboldt nw slope Buck Mountain (lower foothills); Northern Coast Ranges 762 Comment
  POM214838  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville. Comment
  CAS-BOT-BC278960  Festuca rubra David D. Keck 1948-7-1 5970 Humboldt South side of Big Lagoon Comment
  CAS-BOT-BC278966  Festuca rubra W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  RSA10070  Festuca rubra Joseph P. Tracy 1927-6-26 8217 Humboldt Stone Lagoon. Comment
  UC1145214  Festuca rubra Joseph P. Tracy 1950-6-17 18837 Humboldt Eureka 3 Comment
  UC1145204  Festuca subulata Joseph P. Tracy 1936-6-9 14903 Humboldt 4 mi se Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  UC1145205  Festuca subulata Joseph P. Tracy 1937-7-25 15541 Humboldt head of Little Hors-Linto Creek Trinity Summit, Little Hors-Linto Creek 1371 Comment
  POM126172  Festuca subuliflora Joseph P. Tracy 1900-5-22 801 Humboldt Immediate vicinity of Eureka. 0 Comment
  UC180227  Festuca subuliflora Joseph P. Tracy 1913-6-10 4081 Humboldt near Strong's Station; Northern Coast Ranges, Van Duzen River 152 Comment
  UC187119  Festuca subuliflora J. P. Tracy 1900-5-22 801 Humboldt immediate vicinity Eureka 0 Comment
  RSA168825  Filago gallica Joseph P. Tracy 1942-5-16 17338 Humboldt On river bar, Eel River, vicinity of Garberville Comment
  CAS-BOT-BC453520  Fragaria chiloensis David D. Keck; J. Clausen 1935-6-16 3390 Humboldt Mouth of Little River Comment
  HSC38191  Fragaria chiloensis Peter Sorensen 1976-5-28 Humboldt N Spit of Humboldt Bay, S of Samoa Comment
  HSC103984  Fragaria vesca E. R. Fyer 2015-3-19 12 Humboldt Turnout along side Hwy. 299, near a small creek 459 Comment
  JEPS44672  Fragaria vesca Joseph P. Tracy 1932-7-15 10578 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC457926  Fragaria vesca subsp. californica Doris K. Kildale 1927-3-20 2910 Humboldt Phillipsville, south fork of Eel River Comment
  UC492173  Fragaria virginiana subsp. platypetala Joseph P. Tracy 1932-7-16 10616 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 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-BC59966  Frangula purshiana H. E. McMinn 1922-8-5 347 Humboldt Along Van Duzen River 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
  HSC95924  Frangula purshiana subsp. purshiana Will Ferrand 2001-6-17 18 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  SBBG26941  Frangula purshiana subsp. purshiana C. B. Wolf 1937-8-13 Humboldt 11 mi E of Hoopa Valley on new rd towards Trinity summit 1524 Comment
  HSC33079  Fritillaria affinis Thomas W. Nelson, J. D. Ackerman 1974-5-14 1268 Humboldt Beside old Samoa-Crannell railroad bed adjacent to the Mad River Slough N of Emerson Mill Comment
  RSA90637  Fritillaria affinis Ralph Lewis 1936-4-10 s.n. Humboldt Along Redwood Highway, first bridge south of Cummings Comment
  CAS-BOT-BC124019  Fritillaria purdyi Carlton Elmer Purdy 1901-4-1 s.n. Humboldt Kneeland Comment
  UC175294  Fritillaria recurva Joseph P. Tracy 1913-6-17 4176 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC100211  Fuchsia magellanica J. P. Smith 2009-7-28 12641 Humboldt Arcata; Along St. Louis Road. 16 Comment
  HSC32914  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 963 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC82114  Galium aparine Thomas W. Nelson, Jane P. Nelson 1980-5-25 5254 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  HSC99827  Galium aparine Jimerson, Pageau 1979-6-13 541 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  HSC57213  Galium bolanderi Griswold, Butler 1979-7-12 7252 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC57323  Galium bolanderi Overton, Butler 1979-7-24 9555 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  HSC70633  Galium bolanderi R. York 1980-5-18 583 Humboldt Near Black Mtn 792 Comment
  JEPS25700  Galium bolanderi P. C. Hutchison 1961-5-22 2031 Humboldt high bluffs along road ca. 5.4 mi n Orleans (on US hwy 299, e side of river); Klamath River Comment
  JEPS6616 Image available Galium nuttallii Joseph P. Tracy 1924-8-10 6816 Humboldt Blue Slide Van Duzen River; Blue Slide, on Van Duzen River, Humboldt Co. 91 Comment
  UC1196094  Galium parisiense Joseph P. Tracy 1946-8-25 17645 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  HSC79485  Galium porrigens var. porrigens Kenneth Clark 1980-3-1 508 Humboldt Shelter Cove, middle alluvial terrace, Dead Man's Gulch 37 Comment
  HSC57217  Galium triflorum Griswold, Butler 1979-7-12 7289 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC61962  Galium triflorum Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC1023846  Galium triflorum Milo S. Baker 1947-8-10 11903 Humboldt near end of Forest Rd from Hoopa toward Trinity Summit Comment
  JEPS20468  Gamochaeta coarctata Joseph P. Tracy 1936-8-1 15057 Humboldt 6 mi se Blue Lake; Canyon Creek 365 Comment
  UCD132373  Gamochaeta ustulata Linda M. Barker 1976-7-5 1539 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  JEPS20484  Gamochaeta ustulata Joseph P. Tracy 1936-5-30 14834 Humboldt near Samoa; Northern Coast Ranges, Humboldt Bay 6 Comment
  CAS-BOT-BC188547  Garrya elliptica Doris K. Kildale 1925-12-19 1430 Humboldt Essex -- Lower Mad River Comment
  HSC36442  Garrya elliptica J. P. Smith 1976-1-25 8506 Humboldt End of Murray Rd. Comment
  POM160821  Garrya elliptica Joseph P. Tracy 1925-8-14 7231 Humboldt Near Samoa, on Humboldt Bay. 6 Comment
  UC545824  Garrya elliptica H. E. Parks 1933-2 4287 Humboldt Trinidad Comment
  CAS-BOT-BC182167  Garrya fremontii Clarence R. Quick 1959-7-24 59 -29 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  POM290957  Gastridium phleoides Lyman Benson 1929-7-16 1648 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA12458  Gastridium phleoides C. B. Wolf 1934-6-30 5835 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  SEINET12518332 Image available Gastridium ventricosum Harley P. Chandler 1901-1 1506 Humboldt Klamath River, North Coast Ranges 427 Comment
  CAS-BOT-BC58921  Gaultheria shallon A. A. Heller 1923-7-10 13788 Humboldt Between Scotia and Pepperwood Comment
  CHSC593  Gaultheria shallon Vesta Holt 1941-5-30 Humboldt Comment
  JEPS66606  Gaultheria shallon W. L. Jepson 1932-8-1 16470 Humboldt at Giant Tree, Bull Creek Bull Creek; Giant Tree, Bull Creek 182 Comment
  UC1120968  Gaultheria shallon A. E. Wieslander 1931-5-21 211 Humboldt on ridge near Kneeland Comment
  UCSC000552  Gaultheria shallon Dorothy Tebbe 1929-6-12 25 Humboldt woods along coast just east of Eureka Comment
  HSC16391  Gayophytum diffusum J. P. Tracy 1933-8-30 13045 Humboldt Grouse Mtn. 1524 Comment
  HSC55051  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-7-31 11582 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa Comment
  UC20254  Gayophytum heterozygum Chesnut and Drew July 1888 Humboldt S. Fork Mt. Comment
  HSC81905  Gayophytum humile Thomas W. Nelson 1979-7-11 4993 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC1196958  Gayophytum humile Joseph P. Tracy 1933-7-26 12918 Humboldt Grouse Mountain 1524 Comment
  CDA4089  Genista monspessulana T. C. Fuller 1958-6-17 570 -58 Humboldt Lower Mattole. 0 Comment
  UCD105709  Genista monspessulana Collector unknown Date unknown s.n. Humboldt location unknown. Comment
  JEPS47047  Gentiana affinis var. ovata W. L. Jepson 1902-8-1 2134 Humboldt Loleta 60 Comment
  HSC75286  Gentiana plurisetosa J. O. Sawyer, D. A. Thornburgh 1980-9-9 4082 Humboldt Mill Creek Lake and surrounding meadows Comment
  POM210202  Gentiana sceptrum H. E. Parks 1931-07 1052 Humboldt Bishop Pine Lodge, Trinidad. 76 Comment
  UC179966  Gentiana sceptrum Joseph P. Tracy 1914-9-6 4610 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  UC1198952  Geranium core-core Joseph P. Tracy 1909-5-23 2977 Humboldt Eureka Northern Coast Region 0 Comment
  UC1198953  Geranium core-core J. P. Tracy 1911-6-11 3239 Humboldt Trinidad 91 Comment
  HSC45071  Geranium dissectum R. Sutherland 1978-5-12 10 .12578 Humboldt 282 Comment
  HSC78961  Geranium molle L. P. Janeway, K. Berg 1984-4-11 724 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  HSC59612  Geum macrophyllum J. P. Smith, Steve Selva 1970-6-30 4121 Humboldt Comment
  HSC104327  Gilia capitata James Regan, Humboldt Redwood Co., LLC 2010-6-23 25 Humboldt Nanning Creek, east of Scotia 213 Comment
  UC1197929  Gilia capitata subsp. capitata Joseph P. Tracy 1908-6 2751 Humboldt nw slope of Buck Mountain , nw slope Buck Mountain (Northern Coast Ranges) 457 Comment
  BLMAR527  Gilia capitata subsp. pacifica Jennifer Wheeler 2009-6-23 527 Humboldt King range, On King Peak road Comment
  HSC95190  Gilia capitata subsp. pacifica Gordon Leppig 2002-6-25 1762 Humboldt Larabee Valley, Atwell Prairie 669 Comment
  UC907896  Gilia capitata subsp. pacifica J. P. Tracy and H. E. Parks 1930-5-25 793 Humboldt near Bridgeville; near Bridgeville Comment
  CAS-BOT-BC225472  Gilia millefoliata Harley P. Chandler 1901-5-1 1135 Humboldt Humboldt Bay 3 Comment
  UC1051596  Gilia millefoliata Joseph P. Tracy 1948-6-12 18067 1/2 Humboldt near Samoa (on Humboldt Bay, sand dunes); on Humboldt Bay, near Samoa 6 Comment
  UC1197920  Gilia tricolor subsp. diffusa Joseph P. Tracy 1948-5-31 18016 Humboldt Alder Point 304 Comment
  UC1409059  Glebionis segetum Robert F. Thorne and P. Everett 1965-8-8 35270 Humboldt n edge of Eureka (e of Hwy. 101) 4 Comment
  UC162686  Glechoma hederacea Joseph P. Tracy 1911-7-7 3382 Humboldt 3 mi nw Willow Creek junction with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  HSC62745  Glehnia littoralis subsp. leiocarpa J. M. DiTomaso 1979-5-20 1050 Humboldt Sand at Big Lagoon Park, 8 mi. N of Trinidad Comment
  UC154100  Glehnia littoralis subsp. leiocarpa J. P. Tracy 1901-8-7 1261 Humboldt sand hills of Ocean Beach at Samoa opposite Eureka Comment
  SEINET200358 Image available Glyceria occidentalis J. P. Tracy 1930-8-3 9147 Humboldt Buck Mtn near Little Van Duzen; lower foothills of its NW slope 762 Comment
  HSC98131  Glyceria striata Cara Witte 2007-6-27 376 Humboldt Forest Service Road 6N08. Friday Ridge Road. Approximately 2 miles south of intersection with 5N09. 1474 Comment
  UC1103750  Glyceria striata Joseph P. Tracy 1934-7-18 13430 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  CDA5423  Gnaphalium japonicum T. C. Fuller 1962-8-6 9358 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  HSC56965  Gnaphalium palustre Overton, Butler 1979-7-23 9488 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  POM358894  Gnaphalium palustre H. E. Parks, S. T. Parks 1937-08 24080 Humboldt Spruce Cove, Trinidad. Comment
  HSC34218  Gnaphalium palustre J. P. Smith 1975-8-1 8370 Humboldt Sidewalk weed at 14th and B St. in Arcata Comment
  SEINET8726298 Image available Godetia amoena S. K. Harris 1936-1 s.n. Humboldt On south side of Domingo Gulch on road from Petrolia to Cape Mendocino, 30 Comment
  SEINET8726302 Image available Godetia quadrivulnera C. C. Harris, S. K. Harris, J. P. Tracy 1942-1 s.n. Humboldt 7 miles north and 5 miles east of Willow Creek 165 Comment
  UC1196435  Goodyera oblongifolia Joseph P. Tracy 1934-8-31 13642 Humboldt Kneeland Prairie 762 Comment
  UC14959  Goodyera oblongifolia Ethel Tracy 1900-7-26 908 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  UC1196438  Goodyera oblongifolia Joseph P. Tracy 1913-9-21 4412 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC304740  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  JEPS41875  Grindelia hirsutula W. L. Jepson 1902-8-4 2145 Humboldt seashore Capetown to Petrolia 3 Comment
  UC1541451  Grindelia hirsutula H. E. and S. T. Parks 1930-9-14 773 Humboldt n shore Big Lagoon Comment
  RSA134602  Grindelia stricta var. stricta Percy C. Everett, E. K. Balls 1959-10-25 23967 Humboldt 6 miles NE of Eureka, U.S. Hwy101. Comment
  HSC74384  Hackelia bella M. A. Baker 1980-6-28 2473 Humboldt Near Mad River Buttes 1445 Comment
  JEPS79900  Hackelia micrantha Joseph P. Tracy 1932-7-11 10421 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  RSA47164  Hastingsia serpentinicola Doris K. Kildale 1927-7-17 3771 Humboldt Bug Creek, Chaparral Mountain Comment
  CAS-BOT-BC302442  Hazardia whitneyi var. discoidea Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  CAS-BOT-BC306870  Helenium bolanderi Volney Rattan 1879-1-1 s.n. Humboldt Unspecified Comment
  UC525571  Heliotropium curassavicum Joseph P. Tracy 1927-6-26 8210 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 6 Comment
  UC582432  Helminthotheca echioides Joseph P. Tracy 1937-8-22 15676 Humboldt near Loleta 9 Comment
  UCD132965  Helminthotheca echioides Collector unknown Date Unknown s.n. Humboldt exact location unknown. Comment
  CAS-BOT-BC453382  Hemitomes congestum Gary Wallace 1973-7-11 1252 Humboldt Prairie Creek Redwoods State Park, north of Orick Comment
  HSC63147  Hemitomes congestum M. A. Baker 1979-6-30 972 Humboldt Top of ridge 1400 Comment
  HSC44129  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1977-7-4 3608 Humboldt Along road N from Alder Spring 1555 Comment
  CDA30696  Hemizonia congesta M. K. Beyers, I. Shepardson 2009-9-13 248 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  SEINET10313942  Hemizonia congesta Unknown 1966-6-15 2091 Humboldt Humboldt County Comment
  CAS-BOT-BC309990  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1937-7-19 15456 Humboldt Buck Mountain, lower foothills of its northwest slope 914 Comment
  CAS-BOT-BC310001  Hemizonia congesta subsp. tracyi Alice Eastwood; John Thomas Howell 1937-6-22 4752 Humboldt 11 miles from Blocksburg on road to Bridgeville Comment
  HSC5818  Hemizonia congesta subsp. tracyi H. E. Parks, J. P. Tracy 1930-5-25 880 Humboldt Bridgeville 457 Comment
  UC180195  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1914-7-5 4570 Humboldt Bald Mountain 1066 Comment
  UC195063  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1916-6-19 4708 Humboldt Laribee Creek 457 Comment
  UC495619  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1931-6-28 9598 Humboldt lower foothills of its nw slope Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  RSA126141  Hemizonia tracyi Joseph P. Tracy 1923-7-4 6529 Humboldt Valley of South Yager Creek Comment
  HSC21505  Heracleum maximum Francis Winter 1960-5-6 Humboldt N bank of Mad River between Hwys. 299 and 101 Comment
  HSC56147  Heracleum maximum G. L. Clifton, Terry Griswold 1979-8-1 11981 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC76406  Heracleum maximum Denis Kearns 1981-7-23 428 Humboldt Near Whiteys Peak. 1524 Comment
  SEINET10840490  Heterocodon rariflorum Anderson 1974-6-17 Anderson 5709 Humboldt MCKEOWN RANCH N OF DINSMORE OAK, DOUG FIR WOODLAND. T2N R5E SECS 283334 Comment
  UC666828  Heteromeles arbutifolia Joseph P. Tracy 1937-7-11 15414 Humboldt Garberville 152 Comment
  JEPS2429  Heterotheca oregona var. rudis Lincoln Constance 1934-5-26 666 Humboldt s end Dyerville Bridge (sand and gravel bar of South Fork of Eel River); Bull Creek Region, South Fork Eel River 45 Comment
  HSC8624  Heuchera micrantha Jack Rockwell 1962-4-29 34 Humboldt S Bank of Van Duzen River, E of Hwy. 101 9 Comment
  CAS-BOT-BC424195  Heuchera micrantha var. hartwegii Alice Eastwood 1907-4-21 s.n. Humboldt Trinidad, Light-house Point Comment
  HSC56128  Heuchera rubescens G. L. Clifton, Griswold 1979-8-1 11931 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC74180  Hieracium albiflorum M. A. Baker 1980-7-23 3162 Humboldt Near Orleans Mtn. 1859 Comment
  JEPS36663  Hieracium albiflorum W. L. Jepson 1932-7-26 16408 Humboldt Bull Creek 106 Comment
  HSC102077  Hieracium greenei M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 979 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC57940  Hieracium greenei G. L. Clifton, Griswold 1979-7-31 11607 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC59801  Hippuris vulgaris Clark L. Miller 1979-5-24 7155 Humboldt Clam beach ponds off Hwy. 101 N of McKinleyville Comment
  CAS-BOT-BC280734  Holcus lanatus Doris K. Kildale 1928-6-24 7062 Humboldt Redwood Creek at Berrys 289 Comment
  HSC10132  Holcus lanatus J. R. Eichelberger 1964-5-13 83 Humboldt 1/4 mile from U.S. 101 on the N side of the Mad River. Comment
  UC38605  Holcus lanatus Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5558 Humboldt Scotia Comment
  CAS-BOT-BC149901  Holodiscus discolor Doris K. Kildale 1926-9-5 2658 Humboldt Lasseck's Peaks, Signal Peak 1791 Comment
  HSC23709  Holodiscus discolor Tim Baroni 1971-6-25 43 Humboldt Comment
  UCSB24337  Holodiscus discolor var. discolor Tracy, Joseph 1936-8-7 Humboldt Trinity summit, 2 miles southeast of Devil's Hole Comment
  HSC58655  Hordeum brachyantherum G. L. Clifton, Griswold 1979-7-31 11727 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC418997  Hordeum brachyantherum subsp. brachyantherum Parks and Tracy 1925-6-1 2767 Humboldt coatal plain around Humboldt Bay (Eureka); , Ereka Comment
  UC526788  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1927-6-26 8208 Humboldt Stone lagoon 6 Comment
  RSA87057  Hordeum jubatum Joseph P. Tracy 1927-7-16 8249 Humboldt About Humboldt Bay, Mouth of Elk River. 3 Comment
  SEINET200950 Image available Hordeum marinum subsp. gussoneanum Joseph B. Tracy 1935-5-25 13866 Humboldt Fort Seward. Comment
  HSC37573  Hordeum vulgare J. D. Ackerman 1975-6-10 460 Humboldt 1 mi. N of Samoa Blvd. and Samoa bridge turnoff intersection. S of Manila. Comment
  UC183616  Horkelia californica Joseph P. Tracy 1912-7-22 3791 Humboldt Northern Coast Ranges, Table Bluff 91 Comment
  HSC79333  Horkelia tridentata var. flavescens D. H. Norris 1970-5-20 12177 Humboldt Crest of Big Hill Rd. E of Hoopa Comment
  UCSB13143  Hosackia crassifolia Breedlove, Dennis 1961-7-4 Humboldt 2.5 mi. E of the Mad River bridge on U.S. 299 426 Comment
  CHSC866  Hosackia rosea V. Holt 1941-5-30 Humboldt Comment
  UCD106050  Hosackia rosea Joseph P. Tracy 1949-6-20 18321 Humboldt Near Boynton Prairie 12 miles southeast of Arcata. Comment
  SBBG68130  Hosackia stipularis var. stipularis H. E. Parks -Jul-1932 Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC102115  Hydrophyllum fendleri var. albifrons M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1019 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC70236  Hydrophyllum occidentale M. A. Baker 1980-6-8 1899 Humboldt Near Buck Flat. 1554 Comment
  JEPS1645  Hydrophyllum occidentale Joseph P. Tracy 1935-7-16 13955 Humboldt lower foothills nw slope Buck Mountain 792 Comment
  HSC38628  Hydrophyllum tenuipes D. E. Anderson, J. P. Smith 1971-6-18 - 1100 Humboldt In narrow canyon of the N Fork of Mad River, along Hwy. 299, E of Blue Lake Comment
  JEPS1634  Hydrophyllum tenuipes Joseph P. Tracy 1918-4-28 4892 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC177201  Hydrophyllum tenuipes Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3617 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC180184  Hydrophyllum tenuipes Joseph P. Tracy 1914-6-7 4492 Humboldt Humboldt Bay Region; Northern Coast Region, Valley of North Fork of Eel River 0 Comment
  HSC62864  Hypericum anagalloides J. M. DiTomaso 1979-5-20 1046 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  HSC74685  Hypericum anagalloides Gail Newton 1981-8-7 2457 Humboldt Near Board Camp Mtn. 1478 Comment
  CAS-BOT-BC400792  Hypericum anagalloides Henry M. Pollard 1948-7-18 s.n. Humboldt Area near Orleans Comment
  CAS-BOT-BC401232  Hypericum perforatum L. R. Abrams 1918-6-16 7192 Humboldt Willow Creek Comment
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC12005  Hypericum perforatum Wilbur Peterson 1970-10-18 60 Humboldt 200 yards S of Mad River Bridge on Hwy 101 Comment
  HSC24388  Hypericum perforatum J. O. Sawyer 1970-6-24 2240 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  RSA46497  Hypericum perforatum Doris K. Kildale 1925-6-29 932 Humboldt Van Duzen R. near Alton Comment
  HSC26376  Hypochaeris radicata T. O. Osborne 1970-9-16 34 Humboldt Prisoner Rock, Trinidad Comment
  UC1199472  Hypochaeris radicata J. P. Tracy 1911-6-25 3248 Humboldt immediate vicinity Eureka (at Bucksport) 0 Comment
  CAS-BOT-BC206701  Iliamna latibracteata Bell Richardson Jackson 1939-9-15 s.n. Humboldt Between Weaverville and Eureka along road. Comment
  CAS-BOT-BC206836  Iliamna latibracteata L. B. Kildale 1930-8-10 10535 Humboldt Snow Camp, head of Redwood Creek Comment
  CHSC2200  Iris douglasiana E. Crouch 1929-5-8 Humboldt Comment
  HSC13857  Iris douglasiana Elrid H. Spinas 1948-6-16 59 Humboldt Horse Mtn. Comment
  HSC33061  Iris douglasiana Thomas W. Nelson 1974-5-7 1240 Humboldt Beside the old Kneeland Rd. Comment
  JEPS542  Iris douglasiana W. L. Jepson 1932-8-9 16539 Humboldt Bull Creek 152 Comment
  UCSB28085  Iris douglasiana Phelps, M. 1972-3-19 Humboldt 1.5 mi. from Garberville; along Old Briceland Rd; 0.5 mi. north of roadside 213 Comment
  HSC13853  Iris douglasiana J. C. Reppas 1963-3-16 1 Humboldt 820 Fickle Hill Rd. Comment
  JEPS17356  Iris douglasiana W. L. Jepson 1902-6 1909 Humboldt Idolwild; South Fork of Eel River Comment
  SEINET4170718  Iris macrosiphon Unknown 1932-7-17 10662 Humboldt Trinity Summit, near Corral Prairie 1585 Comment
  RSA30641  Iris tenax subsp. klamathensis Lincoln Constance, Reed C. Rollins 1942-5-12 s.n. Humboldt Klamath River 2 miles north of Orleans. 122 Comment
  HSC60064  Iris tenuissima M. A. Baker 1978-5-6 464 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  HSC70745  Iris tenuissima R. York 1980-5-17 519 Humboldt Near Le Perron Peak 792 Comment
  JEPS79909  Isatis tinctoria Joseph P. Tracy 1939-4-29 16239 Humboldt Klamath River at mouth of Slate Creek; Klamath River, Slate Creek 121 Comment
  RSA43869  Isatis tinctoria H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  HSC7450  Isolepis cernua J. P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  CAS-BOT-BC112457  Isolepis cernua Doris K. Kildale 1927-6-25 3556 Humboldt Shelter Cove, coastal. Comment
  UC198638  Isolepis setacea Joseph P. Tracy 1917-6-17 4817 Humboldt around, Salmon Creek Valley Humboldt Bay; Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  HSC98028  Isolepis setacea Cara Witte 2007-7-11 494 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  JEPS79910  Isopyrum stipitatum Joseph P. Tracy 1935-5-5 13802 Humboldt Kneeland Prairie 822 Comment
  SEINET5782208 Image available Jaumea carnosa S. K. Harris, C. C. Harris 1939-8-26 Humboldt S shore of Humboldt Bay Comment
  UC1192235  Jaumea carnosa Malcolm A. Nobs and S. Galen Smith 1949-8-3 1173 Humboldt salt marshes around Fields Landing Comment
  CAS-BOT-BC109923  Juncus L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road. 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
  RSA89765  Juncus breweri Phillip A. Munz 1954-7-25 19877 Humboldt Near dunes at Humboldt Lighthouse south of Samoa. Comment
  UC184195  Juncus bufonius Joseph P. Tracy 1914-7-5 4573 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  UCD141361  Juncus bufonius Linda M. Barker 1976-6-1 1551 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC67455  Juncus bufonius J. P. Smith 1971-10-9 5009 Humboldt Mad River above the Fish Hatchery. Comment
  JEPS63830  Juncus effusus subsp. pacificus Lincoln Constance 1934-6-25 924 Humboldt 4 mi n Dyerville (and of n boundary of Humbolt Redwood Park, on Redwood Highway); South Fork Eel River, Bull Creek Region, Englewood Comment
  UC1103047  Juncus ensifolius Joseph P. Tracy 1919-9-18 5238 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UC14899  Juncus ensifolius J. P. Tracy 1900-8-5 917 Humboldt immediate vicinity Eureka 0 Comment
  HSC58092  Juncus exiguus G. L. Clifton, Terry Griswold 1979-8-1 12005 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  SD88349  Juncus falcatus Darley F. Howe 1972-6-30 Humboldt Trinidad. Comment
  HSC104132  Juncus falcatus subsp. falcatus C. Sander 2007-8-24 33096 Humboldt Ma-le'l Dunes Cooperative Management Area. 8 Comment
  UC1103036  Juncus falcatus subsp. sitchensis Joseph P. Tracy 1906-5-13 2458 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC184752  Juncus occidentalis Joseph P. Tracy 1908-7-9 2830 Humboldt near Buck Mountain summit; Northern Coast Ranges 1219 Comment
  HSC99314  Juncus phaeocephalus C. B. Wolf 1927-8-22 791 Humboldt Big Lagoon Comment
  UC419021  Juncus phaeocephalus H. E. Parks and J. P. Tracy 1924-8-3 Humboldt Big Lagoon Comment
  HSC98441  Juncus planifolius Peter Zika 2008-10-19 24229 Humboldt E side of Hwy. 101, near Exit 728 for Trinidad Beach 110 Comment
  JEPS66616  Kalmia polifolia subsp. microphylla Joseph P. Tracy 1935-7-26 14261 Humboldt Trinity Summit, at Water Dog Lakes Water Dog Lakes; Trinity Summit, Water Dog Lakes 1828 Comment
  UC562742  Kalmia polifolia subsp. microphylla Joseph P. Tracy 1935-7-26 14261 Humboldt Trinity Summit, at Water Dog Lakes Water Dog Lakes; Trinity Summit, Water Dog Lakes 1828 Comment
  HSC50858  Keckiella corymbosa Walter Overton, Marvin Butler 1979-7-25 9882 Humboldt Near Sims Mtn., close to the town of Willow Creek 1296 Comment
  RSA424320  Keckiella corymbosa Unspecified 1920-7-15 s.n. Humboldt Arcata vicinity. Comment
  CAS-BOT-BC237833  Keckiella lemmonii Joseph P. Tracy 1929-8-4 8648 Humboldt Ridge between Bull Creek and Mattole River 762 Comment
  CAS-BOT-BC237835  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata Comment
  UC1152009  Koeleria macrantha Joseph P. Tracy 1951-6-24 19541 Humboldt between serpentine rockpile and Ashfield Butte Kneeland Prairie; , btw rockpile and Ashfield Butte 762 Comment
  UC27903  Kopsiopsis strobilacea Harley P. Chandler June 1901 1300 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Mts. (Hupa Mts.) Comment
  UC1223072  Lactuca serriola Joseph P. Tracy 1949-8-8 18402 Humboldt at Willow Creek (in Frank Graham's orchard); Trinity River Valley 152 Comment
  CDA39235  Lagophylla ramosissima D. Juliano 2013-8-1 PDR# 120 P06003679 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  UC169331  Lagophylla ramosissima Joseph P. Tracy 1912-8-3 3965 Humboldt opposite Buck Mountain (in field); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC78960  Lamium purpureum L. P. Janeway, K. Berg 1984-4-11 725 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  CAS-BOT-BC352933  Lasthenia glaberrima Joseph P. Tracy; Harold E. Parks 1935-6-16 11274 Humboldt Buck Mt. Lower N.W. slopes 792 Comment
  UC1222406  Lathyrus angulatus Joseph P. Tracy 1942-6-15 17133 Humboldt near Redcrest Resort (Englewood); Englewood 91 Comment
  UC1222416  Lathyrus jepsonii var. californicus Joseph P. Tracy 1942-7-1 17361 Humboldt opposite Buck Mountain; Van Duzen River 762 Comment
  UC495705  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1927-4-10 7893 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD106361  Lathyrus latifolius W. A. Williams 1951-6-15 s.n. Humboldt 20 mi. E. Willow Creek. Comment
  CAS-BOT-BC205041  Lathyrus palustris Joseph P. Tracy 1907-7-20 2593 Humboldt Near Samoa. Region about Humboldt Bay 152 Comment
  JEPS55333  Lathyrus palustris Joseph P. Tracy 1907-7-20 2593 Humboldt near Samoa (Region about Humboldt Bay, Northern Coast Region); Northern Coast Region 0 Comment
  BLMAR279  Lathyrus polyphyllus Jennifer Anthony-Wheeler 1999-5-28 279 Humboldt King range, growing alongside prosper ridgee rd on strawberry rock allot 304 Comment
  UC931687  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19090 Humboldt ca 10 mi w Willow Creek (near Highway 299) Comment
  BLMAR644  Lathyrus torreyi Jennifer Wheeler 2011-7-7 644 Humboldt Lacks Creek, Pine Ridge Road, spur at Stormy Saddle 1097 Comment
  RSA138214  Lathyrus torreyi Volney Rattan 1903-1 1878 Humboldt [No location data on label] Comment
  RSA64968  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1949-6-7 19083 Humboldt 1/5 mile S of Pepperwood, along Highway #101. Comment
  JEPS79919  Lathyrus vestitus var. ochropetalus Joseph P. Tracy 1929-5-5 8579 Humboldt Phillipsville, facing South Fork of Eel River South Fork of Eel River; Northern Coast Ranges 121 Comment
  HSC39959  Layia carnosa Linda M. Barker 1976-4-13 1377 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  UC127639  Layia gaillardioides J. Burtt Davy 1899-7-30 6192 Humboldt Comment
  HSC59442  Lemna minor Kenneth Clark 1979-4-21 148 Humboldt Off of Cranell Rd., 50 ft. E of Hwy. 101 Comment
  UC1101253  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-9 1247 Humboldt Clam Beach Comment
  UC1101252  Lemna valdiviana Malcolm A. Nobs, S. Galen Smith 1949-8-9 1249 Humboldt Clam Beach Comment
  CAS-BOT-BC339128  Leontodon saxatilis subsp. saxatilis Carl B. Wolf 1927-8-22 777 Humboldt Big Lagoon Comment
  JEPS36507  Leontodon saxatilis subsp. saxatilis W. L. Jepson 1936-8-17 17926 Humboldt 2 1/2 mi s Fields Landing Comment
  HSC98043  Lepidium campestre Cara Witte 2007-7-17 538 Humboldt Along National Forest 1. 1 mile south of Brays Opening. 1447 Comment
  CHSC33025  Lepidium didymum James P. Smith 1973-5-26 6876 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  CAS-BOT-BC12876  Lepidium strictum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta. Comment
  UC1199161  Lepidium virginicum Joseph P. Tracy 1916-5-31 4690 Humboldt Holmes Flat, along Eel River from South Fork to Scotia Northern Coast Ranges, Eel River 60 Comment
  UCD118584  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt near Blocksburg. Comment
  POM193006  Leptosiphon androsaceus H. E. Parks, Joseph P. Tracy 1930-5-25 0794 Humboldt Vicinity of Bridgeville, Laribee Valley Comment
  UC1198594  Leptosiphon latisectus Joseph P. Tracy 1930-5-25 8707 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  CAS-BOT-BC334613  Leucanthemum vulgare Doris K. Kildale 1927-6-27 3603 Humboldt Scotia 30 Comment
  CAS-BOT-BC334615  Leucanthemum vulgare L. R. Abrams 1916-7-18 6076 Humboldt Between Arcata and Trinidad Comment
  HSC36171  Lewisia cotyledon var. howellii J. P. Smith 1973-5-4 6367 Humboldt 2 mi. S of Somes Bar on Hwy. 96 Comment
  JEPS5842  Lewisia nevadensis Joseph P. Tracy 1932-7-10 10377 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC673019  Lewisia nevadensis Joseph P. Tracy 1932-7-10 10377 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  UC1197171  Ligusticum apiifolium Joseph P. Tracy 1918-9-8 5100 Humboldt at Eureka Northern Coast Ranges, Eureka 0 Comment
  HSC102118  Ligusticum grayi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1022 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC95380  Lilaeopsis occidentalis Andrea Pickart 2002-7-9 170 Humboldt Bracut Marsh at freshwater outlet into salt marsh 10 Comment
  UC176689  Lilium columbianum Joseph P. Tracy 1913-7-13 4356 B Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  POM87955  Lilium columbianum Le Roy Abrams, Rimo C. Bacigalupi 8260 Humboldt Between Trinidad and Big Lagoon Comment
  RSA65318  Lilium columbianum Albert M. Vollmer, L. Beane 1951-07 s.n. Humboldt A few miles north of Arcata near U. S. Highway 101 Comment
  HSC76429  Lilium kelleyanum Denis Kearns 1981-7-23 396 Humboldt Near Whiteys Peak. 1524 Comment
  LA22064  Lilium occidentale Carl Epling; William Robison 1935-7-22 sn Humboldt near Patrick's Point Comment
  UC1198245  Lilium occidentale Joseph P. Tracy 1938-7-15 16065 Humboldt 2 mi s Field's Landing (near Still Ranch) 6 Comment
  SEINET3992215  Lilium pardalinum Unknown 1948-9-5 18196 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1372 Comment
  UC54664  Lilium pardalinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5717 Humboldt Supply Creek; North Coast Ranges, Hupa Valley Comment
  HSC65215  Lilium pardalinum subsp. vollmeri T. Jimerson, J. Pageau, B. Marcot 1979-8-10 712 Humboldt Off trail 6E18 between Tish Tang Creek and tributary 1341 Comment
  CHSC23185  Limonium californicum Robert F. Thorne; P. Everett 1965-8-7 35211 Humboldt Samoa Peninsula. 0 Comment
  RSA244966  Limonium californicum William J. Ferlatte, B. D. Rogers 1966-8-15 3126 Humboldt Near Arcata sewage pond. North Humboldt Bay. Comment
  UC177200  Linanthus androsaceus Joseph P. Tracy 1912-7-26 3864 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC416392  Linnaea borealis subsp. longiflora H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  UC161076  Linum usitatissimum Joseph P. Tracy 1911-6-11 3236 Humboldt near Trinidad; Northern Coast Ranges 60 Comment
  UC668019  Lipocarpha aristulata Joseph P. Tracy 1931-9-7 9650 c Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  POM301291  Listera caurina H. E. Parks, Joseph P. Tracy 1949-6-25 11667 Humboldt Trinity Summit, near Box Camp 1524 Comment
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Jul 13 2018
  RSA12555  Listera caurina Carl B. Wolf 1934-7-2 5884 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC95191  Listera cordata var. nephrophylla Gordon Leppig, Tony LaBanca 2003-5-22 1943 Humboldt Humboldt Redwoods State Park, Fleismann's Grove 76 Comment
  CAS-BOT-BC36150  Lithocarpus densiflorus var. densiflorus L. B. Kildale 1931-8-9 s.n. Humboldt [Threc] Creeks on Willow Creek road Comment
  CAS-BOT-BC36584  Lithocarpus densiflorus var. echinoides Russell W. Beeson June 1 - July 1 [no year] B- 26 Humboldt Pilot Ridge, Forest Stanislaus 1584 Comment
  UC1196500  Lithophragma Harold E. Parks and Joseph P. Tracy 1942-5-16 11558 1/2 Humboldt vicinity Garberville 152 Comment
  CAS-BOT-BC430958  Lithophragma bolanderi Doris K. Kildale 1928-5-6 5996 Humboldt Garberville. South Fork of Eel River Comment
  HSC97104  Lithophragma campanulatum Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 10 Humboldt 1 mi. E of Hwy. 299 on F.S. Rd. NF1; Grouse Mtn. Meadow 1585 Comment
  HSC12422  Lobularia maritima Gary J. Stebbins 1970-3-3 15 Humboldt Road to Kneeland at the old Eureka dump, 4 mi. W of Kneeland Comment
  UCD115917  Lobularia maritima Joseph P. Tracy 1946-6-2 17556 Humboldt Garden escape, sand dunes, near Samoa, on Humboldt Bay. 6 Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC58408  Lolium perenne Griswold, Butler 1979-7-10 7123 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC74113  Lolium perenne M. A. Baker 1980-6-16 1941 Humboldt Near Monks Camp. 1097 Comment
  UC249793  Lolium perenne Joseph P. Tracy 1923-8-25 6539 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC50504  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6204 Humboldt Arcata; Russ Ranch Comment
  UC1222610  Lomatium californicum Joseph P. Tracy 1950-6-15 18804 Humboldt 7 mmi. n. Harris (chaparral area at Jenk's ranch) Comment
  SEINET200742  Lomatium dasycarpum Joeseph P. Tracy 1923-6-27 6380 Humboldt Trinity River Valley, near the South Fork 183 Comment
  UC1103401  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1924-3-9 6610 Humboldt Northern Coast Ranges, Kneeland Prairie 762 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
  UC1222609  Lomatium dissectum Joseph P. Tracy 1950-6-15 18805 Humboldt 7 mi N of Harris (Jenk's Ranch) Comment
  HSC55353  Lomatium macrocarpum Terry Griswold, Butler 1979-7-12 7279 Humboldt Near Cedar Creek 1158 Comment
  HSC70564  Lomatium macrocarpum M. A. Baker 1980-7-23 3141 Humboldt Near Orleans Mtn. 1859 Comment
  RSA43875  Lomatium macrocarpum H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  HSC96070  Lomatium macrocarpum J. McIntire, S. Lyon 2005-6-15 12 Humboldt 1 mi. SE of Grouse Mtn. on FS 4N32 1610 Comment
  UC1197155  Lomatium macrocarpum Joseph P. Tracy 1937-7-24 15522 Humboldt head of Devil's Hole (Trinity Summit); , Devil's Hole 1676 Comment
  HSC48474  Lomatium triternatum J. P. Smith, J. O. Sawyer, J. Cole 1978-5-21 9933 Humboldt Six Rivers Natl. Forest, along Ishi Pishi Rd., 1.5 mi. from the Ishi Pishi Bridge over the Klamath River 305 Comment
  UC1347206  Lomatium utriculatum Alice Eastwood and John Thomas Howell 1937-6-23 4767 Humboldt Dinsmore's Comment
  OBI81593  Lomatium utriculatum Coll. Tracey, Viola Call 1964-6-20 2272 Humboldt South-facing rocky outcropping near summit above Van Duzen river 7miles east of Bridgeville. 853 Comment
  HSC90220  Lonicera involucrata Louise Watson, Jan Meninga Aug 1990 6 Humboldt Mad River Slough and Dunes, 50 ft. N of parking lot, W of trail. Comment
  HSC23144  Lonicera involucrata var. ledebourii Thomas W. Nelson 1970-10-17 238 Humboldt Big Lagoon Comment
  SBBG69582  Lonicera involucrata var. ledebourii S. W. Hutchinson -Apr-1927 91 Humboldt near Eureka 8 Comment
  SDSU2917  Lonicera involucrata var. ledebourii Harvey 1938-8-13 2278 Humboldt North of Arcata. Comment
  UC162847  Lotus aboriginus J. P. Tracy 1901-5-12 1078 Humboldt immediate vicinity Eureka 0 Comment
  SEINET12154181  Lotus aboriginus J. P. Tracy 1949-1 18321 Humboldt nr Boynton PRairie 12miSE of Arcata Comment
  UC1223450  Lotus aboriginus Joseph P. Tracy 1949-6-20 18321 Humboldt 12 mi se Arcata (near Boynton Prairie) Comment
  RSA46827  Lotus formosissimus Doris K. Kildale 1926-5-26 1642 Humboldt Old Fortuna Road. Comment
  UC1223400  Lotus formosissimus Joseph P. Tracy 1938-6-17 15949 Humboldt s of Cape Mendocino point; Cape Mendocino 3 Comment
  UC15583  Lotus formosissimus Harley P. Chandler May 1901 1200 Humboldt Humboldt Bay Northern Coast Ranges 30 Comment
  UC169330  Lotus humistratus Joseph P. Tracy 1912-7-26 3833 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1197314  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1932-7-13 10519 Humboldt Corral Prairie Klamath Mountains 1524 Comment
  JEPS55780  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6266 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  UC1223419  Lotus purshianus var. purshianus Joseph P. Tracy 1937-8-12 15628 Humboldt 3 mi s Murphy Meadows (at border of Lake Prairie Bog); Bald Mountain, Lake Prairie, Lake Prairie Bog 1066 Comment
  UC1197305  Lotus wrangelianus Joseph P. Tracy 1932-5-1 9844 Humboldt Alton, along Van Duzen River North Coast Ranges, Van Duzen River 30 Comment
  UC1197304  Lotus wrangelianus Joseph P. Tracy 1927-7-24 8303 Humboldt 3 mi s Point of Cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  UC1223410  Lotus yollabolliensis Joseph P. Tracy 1937-7-29 15586 Humboldt near McKay Camp (near top of South Fork Mountain); South Fork Mountain 1676 Comment
  HSC74666  Luina hypoleuca Gail Newton 1981-8-7 2423 Humboldt Near Bug Creek Butte 1244 Comment
  SD56747  Luina nardosmia Darley F. Howe 1963-5-26 3553 Humboldt 2.8 miles east of Orick on Bal Hill Road. 424 Comment
  HSC97974  Lupinus albicaulis Cara Witte 2007-7-9 468 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  HSC99728  Lupinus albicaulis M. A. Baker 1979-6-7 797 Humboldt Along road to Telescope Peak next to stream between Telescope Peak and Snow Mtn. 915 Comment
  RSA406972  Lupinus albicaulis var. albicaulis H. M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  HSC96201  Lupinus albifrons var. collinus Wanda Naylor, Laurel Goldsmith 2005-6-24 13 Humboldt S of Grouse Mountain on NF1 1595 Comment
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Jan 16 2014
  CAS-BOT-BC196223  Lupinus albifrons var. eminens Doris K. Kildale 1926-4-30 1929 Humboldt Fruitland Hill - Harris road divided between north & south forks of Eel River Comment
  CAS-BOT-BC196400  Lupinus arboreus Dziekanowski; Dunn; Bennett 1976-8-6 2501 Humboldt On the beach opposite McKinleyville 3 Comment
  RSA25890  Lupinus arboreus var. arboreus Carl B. Wolf 1937-9-9 3654 Humboldt 2 miles S of Cape Mendocino. 6 Comment
  RSA331967  Lupinus arboreus var. arboreus Dave Kelly, Walter Wisura, A. Kelly 1985-7-28 4065 Humboldt Outer sand dunes near Manilla, Samoa Peninsula near Eureka Comment
  RSA89760  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19882 Humboldt North of Samoa. Comment
  RSA89761  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19881 Humboldt North of Samoa. Comment
  HSC38190  Lupinus bicolor Peter Sorensen 1976-6-2 Humboldt Humboldt Bay, Woodley Island Comment
  UC1197273  Lupinus bicolor Joseph P. Tracy 1936-6-28 15020 Humboldt Lake Prairie; Bald Mountain Bald Mountain; , at Lake Prairie 1066 Comment
  BLMAR611  Lupinus bicolor Jennifer Wheeler 2011-4-22 611 Humboldt King range, Strawberry Rock 243 Comment
  UC1949020  Lupinus bicolor Barbara Ertter with Thomas J. Delendick 1987-5-16 6924 Humboldt S-facing slope; VIsta Point just W of Berry Summit on Hwy 299, ca 15 airmiles E of Arcata Comment
  SBBG3622  Lupinus formosus H. and M. Dearing 1939-5-24 3425 Humboldt W of Panther Gap, Dyerville, Honeydew 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
  CHSC921  Lupinus littoralis M. Underhill 1952-7-13 Humboldt Near coast. 0 Comment
  UC146917  Lupinus littoralis Harley P. Chandler May, 1901 1147 Humboldt Samoa North Coast Ranges, Humboldt Bay (Humboldt Bay) 3 Comment
  UC1197272  Lupinus nanus Joseph P. Tracy 1914-5-14 4450 Humboldt Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  SEINET10486156  Lupinus polycarpus Charles R. Gunn 1963-6-3 Gunn 2702 Humboldt 1/2 mi s of korbel on gravel road. In ditch along south mad river. Comment
  BLMAR802  Lupinus rivularis Madeleine Hassett 2017-6-5 802 Humboldt Lost Coast Headlands, Along Guthrie Creek trail 121 Comment
  HSC100523  Lupinus rivularis Carl C. Marshall May 1886 211 Humboldt Everywhere. Comment
  UCSB12242  Lupinus rivularis Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Creek on U.S. 299 822 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
  HSC2118  Lupinus succulentus J. Wendell Howe Humboldt Cape Mendocino Comment
  HSC14132  Luzula comosa Gerald T. Rood 1962-5-6 15 Humboldt Kneeland Rd. 1 mi. W of Barry Rd. Comment
  HSC74014  Luzula comosa R. York 1980-5-23 625 Humboldt Near Buck Mtn. 1524 Comment
  HSC89509  Luzula comosa M. Roantree 1985-4-28 19 Humboldt W side of Trinidad Head along trail Comment
  RSA15576  Luzula comosa Carl B. Wolf 1927-8-28 1167 Humboldt 9 miles from Willow Creek, on the grade of the road to Blue Lake. Comment
  UCD142118  Luzula comosa Joseph P. Tracy 1930-7-17 8972 Humboldt South Fork Mountain; opening in fir forest nera McKay Camp. 1676 Comment
  CAS-BOT-BC499137  Luzula macrantha Peter F. Zika 2011-7-3 25497 Humboldt Titlow Hill Road, 3.7 road miles SE of Rte 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  UC1133756  Luzula subsessilis H. L. Person 1932-5-11 19424 Humboldt Korbel Eureka Quad., Korbel Comment
  JEPS371  Lycopodiella inundata Joseph P. Tracy 1928-9-8 8504 Humboldt Big Lagoon Northern Coast Ranges (in peat bog) 6 Comment
  UCSC001038  Lycopodium clavatum W. Jan Rowe 1967-7-8 61 Humboldt 4.5 miles southeast of Trinidad Trinidad Comment
  CHSC26464  Lysichiton americanus J. Detzer 1977-4-8 4 Humboldt S end of Patricks Point State Park, ca. .2 mi w of Hwy. 101 and 5 mi n of Trinidad. 60 Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  UC668292  Lythrum hyssopifolia Joseph P. Tracy 1938-7-5 16011 Humboldt Carlotta, by old Strong's District School House, 5 mi e of town Carlotta 45 Comment
  CDA5135  Lythrum hyssopifolia T. C. Fuller 1962-8-6 9356 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  HSC40412  Madia elegans Thomas W. Nelson, Jane P. Nelson 1976-7-1 2894 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC35631  Madia elegans Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-1 2144 Humboldt Beside Willow Creek just up stream from Hwy. 299 bridge Comment
  UC129391  Madia exigua Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5466 Humboldt near Elk Prairie Comment
  JEPS40411  Madia gracilis W. L. Jepson 1902-7-1 1967 Humboldt at Berry's Ranch; Redwood Creek Comment
  POM214875  Madia gracilis Joseph P. Tracy 1932-7-13 10494 Humboldt Klamath Mountains: Trinity Summit, open ground at Corral Prairie 1524 Comment
  HSC95524  Madia sativa Andrea Pickart 2002-7-19 178 Humboldt Arcata Marsh at end of I St. 10 Comment
  RSA0011631  Madia sativa R. F. Thorne, Percy C. Everett 1965-8-7 35216 -b Humboldt Samoa Peninsula. 0 Comment
  SEINET3992052  Maianthemum bifolium H. E. Parks 1932-5-1 Humboldt Bishop Pine Lodge Comment
  CHSC2299  Maianthemum dilatatum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  HSC60294  Maianthemum dilatatum Phyllis Krieg 1979-4-28 Humboldt Azalea Park along trail, McKinleyville 30 Comment
  HSC56979  Maianthemum stellatum Overton, Butler 1979-7-23 9516 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC70326  Maianthemum stellatum M. A. Baker 1980-6-8 1881 Humboldt Near Buck Flat. 1554 Comment
  HSC98152  Maianthemum stellatum T. W. Beck 1963-4-13 19 Humboldt Camp Bauer, Korbel, near Mad River Comment
  RSA183522  Maianthemum stellatum D. E. Anderson 1965-5-8 3630 Humboldt 0.6 miles west of bridge over North Fork of Mad River, along highway 299. Comment
  CAS-BOT-BC347411  Malacothrix floccifera Joseph P. Tracy 1911-7-4 3278 Humboldt Northern Coast Ranges. Along Willow Creek. (Tributary of Trinity River, Humboldt County) near its mouth 152 Comment
  HSC100465  Marah Carl C. Marshall Apr 1886 55 Humboldt Everywhere. 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
  HSC73463  Marah oregana Grunert 37 Humboldt Jolly Giant Creek, Arcata city limit, on Jolly Giant Rd. near HSU Comment
  RSA424587  Marah oregana T. S. Elias, Barbara A. Elias 1987-8-24 10620 Humboldt Prairie Creek Redwoods State Park; Gold Bluffs Beach. Comment
  RSA441241  Marah oregana Christopher Davidson 1973-5-29 2206 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  HSC90387  Medicago polymorpha Jean Hanson 1980-4-12 46 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  UC1145132  Melica aristata Joseph P. Tracy 1948-8-15 18157 Humboldt 2 mi e Grove's Prairie (on ridge, Trinity Summit); Trinity Summit 1524 Comment
  UC1145133  Melica aristata Joseph P. Tracy 1937-7-25 15549 Humboldt 2 mi e Grove's Prairie (on ridge); Trinity Summit 1524 Comment
  UC526915  Melica bulbosa Joseph P. Tracy 1932-7-12 10445 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  UCD87157  Melica californica A. H. Murphy 1951-6-12 57 Humboldt Fleming range plant count area on Ft. Seward ranch, south fork of the Eel River Drain. Comment
  HSC98743  Melica geyeri Cara Witte 2007-7-20 561 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  CAS-BOT-BC240328  Melica harfordii Dana York; Kim Hayler 2012-5-18 3105 Humboldt Six Rivers National Forest, near Somes Bar, 585 meters SE of the confluence of the Klamath and Salmon rivers, E and above highway 96 215 Comment
  HSC70484  Melica subulata Gail Newton 1980-7-20 1631 Humboldt Near Bell Swamps. 1426 Comment
  HSC15006  Melilotus albus S. R. Johnson 1965-3-28 28 Humboldt 1/2 mi. N of Luffenholtz Beach Comment
  HSC59671  Melilotus albus George Kirn 1977-10-21 Humboldt Eureka, Bayfront, 1/2 mi. E of Hwy. 255 8 Comment
  RSA46823  Melilotus albus Doris K. Kildale 1926-4-9 1739 Humboldt Samoa Road Comment
  JEPS63291  Melissa officinalis Joseph P. Tracy 1925-8-16 7232 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC577386  Melissa officinalis Joseph P. Tracy 1927-11-24 8395 Humboldt farmyard Carlotta 60 Comment
  SEINET13946829 Image available Mentha arvensis Henry M. Pollard 1945-1 Humboldt Pond near Harley place, Orleans Comment
  POM174071  Mentha canadensis Joseph P. Tracy 1918-9-29 5105 Humboldt South Fork of Eeel River 4 miles above the mouth. Comment
  UC1191792  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1949-8-9 1241 Humboldt Town of Blue Lake; pond on s side Comment
  UC577379  Mentha canadensis Joseph P. Tracy 1924-8-31 6854 Humboldt Klamath River at mouth of Bluff Cr.; Klamath River at mouth Bluff Cr. 91 Comment
  UC577360  Mentha pulegium Joseph P. Tracy 1923-6-20 6336 Humboldt Briceland 304 Comment
  HSC34216  Mentha pulegium J. P. Smith 1975-7-6 8356 Humboldt Sizzler Steak House on 5th St. Eureka Comment
  HSC99259  Mentha pulegium David Adams 1960-8-20 Humboldt Whitlow (Sequoia) 60 Comment
  HSC40674  Mentzelia dispersa Thomas W. Nelson, Jane Nelson 1976-7-1 2926 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC1198473  Mentzelia laevicaulis var. laevicaulis Joseph P. Tracy 1911-7-10 3501 Humboldt near: along Willow Creek mouth,Tributary of Trinity River; Northern Coast Ranges 152 Comment
  BLMAR115  Micranthes californica Jennifer Anthony-Wheeler 1995-3-15 115 Humboldt King range, growing on N.end of campground shaded under white oak 121 Comment
  CAS-BOT-BC428713  Micranthes californica Doris K. Kildale 1927-3-20 2925 Humboldt Philipsville, south fork of Eel River Comment
  POM296727  Micropus californicus S. K. Harris, J. P. Tracy 1942-6-15 s.n. Humboldt Prairie, Harris Road, 1 mile east of Garberville 30 Comment
  RSA167437  Micropus californicus Joseph P. Tracy 1947-5-10 17681 Humboldt Near Briceland Comment
  UC164795  Microseris acuminata Joseph P. Tracy 1903-5-23 1891 Humboldt Alder Point Northern Coast Ranges 152 Comment
  CAS-BOT-BC349177  Microseris elegans K. L. Chambers 1969-5-25 2924 Humboldt On road to Harris 5.2 mi. E of the freeway overpass at Garberville Comment
  CAS-BOT-BC322676  Microseris laciniata Alice Eastwood; John Thomas Howell 1937-6-22 4738 Humboldt Near Alder Point Comment
  JEPS13230  Microseris laciniata subsp. laciniata Joseph P. Tracy 1934-7-6 13661 Humboldt at Sibley Ranch; Iaqua, Sibley Ranch 609 Comment
  HSC102528  Microsteris gracilis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1515 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC1196767  Mimulus alsinoides Joseph P. Tracy 1946-6-23 175900 Humboldt Kneeland Prairie 762 Comment
  BLMAR683  Mimulus aurantiacus Jennifer Wheeler 2013-6-7 683 Humboldt King range, Strawberry Rock 35 Comment
  UC1063411  Mimulus aurantiacus var. aurantiacus H. L. Person 1932-7-23 Humboldt road e Korbel; Eureka Quadrangle Comment
  UC615326  Mimulus cardinalis Beryl O. Schreiber 1932-7-11 364 Humboldt road s Garberville Comment
  SBBG66765  Mimulus dentatus L. Rowntree 1931-7-24 Humboldt Carlotta Comment
  HSC89591  Mimulus guttatus M. Roantree 1985-5-15 45 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  JEPS25699  Mimulus guttatus P. C. Hutchison 1961-5-22 2033 Humboldt 1/2 mi above Somes Bar (Hiway 299 ca. 100 ft. from Siskiyou Co. line) Comment
  SEINET12330005  Mimulus guttatus F. H. Utech 1986-1 86 -405 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  CDA41715  Mimulus kelloggii K. Esau 1935-4-23 s.n. Humboldt Ft. Seward. 0 Comment
  HSC44556  Mimulus moschatus Brad Klipfel 1973-7-15 175 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  BLMAR687  Mimulus moschatus Jennifer Wheeler 2012-8-30 687 Humboldt Lacks Creek, Beaver Ridge Pond 914 Comment
  UCSB15766  Mimulus moschatus Breedlove, Dennis 1961-7-4 Humboldt Highway 299; 17.5 miles east of Highway 101 609 Comment
  HSC79337  Mimulus nanus var. nanus D. K. Imper 1982-6-30 Humboldt Near Goat Hill; adjacent to lakes Comment
  UC26991  Mimulus nasutus C. C. Marshall 1888-1 Humboldt Comment
  HSC82387  Mimulus primuloides var. primuloides Thomas W. Nelson 1979-7-11 5011 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC32233  Minuartia douglasii J. O. Sawyer 1970-6-24 2247 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC162891  Minuartia douglasii Mrs. M. H. Manning 1901-5 21 Humboldt near Hupa Comment
  HSC74236  Minuartia nuttallii subsp. gregaria M. A. Baker 1980-7-11 2794 Humboldt Near Red Mtn. 1341 Comment
  JEPS109807  Mitella caulescens Dean W. Taylor 2004-6-24 19138 Humboldt Head of Madden Creek, Ammon Ridge, seepage area along Forest Road 5N15 0.4 miles west of the junction with Forest Road 5N01. 1356 Comment
  UC1198868  Mitella diversifolia Joseph P. Tracy 1937-7-2 15412 Humboldt Little Hors-Linto Creek Trinity Summit (head) 1371 Comment
  HSC25572  Mitella diversifolia J. O. Sawyer 1971-6-15 2383 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  HSC41843  Mitella ovalis N. G. Sugihara 1977-4-23 9 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC1198865  Mitella ovalis Joseph P. Tracy 1913-4-13 4039 Humboldt on a branch of slough about 3 mi e Eureka; Northern Coast Region, Region about Humbolst Bay, Ryan's Slo 0 Comment
  HSC56468  Monardella glauca Griswold, Butler 1979-7-12 7278 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC58155  Monardella odoratissima G. L. Clifton, Griswold 1979-8-2 12207 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC213510  Monardella odoratissima subsp. glauca Joseph P. Tracy 1919-9-22 5262 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  HSC99502  Monardella odoratissima subsp. pallida K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 162 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
  SEINET892716  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-1 5848 Humboldt Along Eel River & Redwood Highway, 1.2 miles south of F.K. Lane Grove 60 Comment
  UC1239679  Monardella purpurea Joseph P. Tracy 1935-7-14 14075 1/2 Humboldt Back of White Rock Springs; North Coast Ranges, Grouse Mountain 1554 Comment
  SEINET892718  Monardella purpurea Joseph P. Tracy 1947-1 17782 Humboldt Trinity Summit; ridge top one mile west of Mud Springs, in serpentine formation 1158 Comment
  CAS-BOT-BC220517  Monardella villosa C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC34741  Monardella villosa Thomas W. Nelson 1974-7-19 1674 Humboldt McKeown Ranch N of Dinsmore Comment
  LA62456  Monardella villosa Harlan Lewis; 1940-7-3 sn Humboldt 1 mi. N of Richardson Grove State Park Comment
  JEPS63367  Monardella villosa subsp. villosa W. L. Jepson 1936-8-12 17883 Humboldt Philipsville South Fork Eel River. Comment
  SEINET3000074 Image available Montia chamissoi Joseph P. Tracy 1932-7-10 10378 Humboldt Trinity Summit, open places at Corral Prairie Comment
  UCD101747  Montia diffusa Don Hagar 1956-5-14 59 Humboldt Brush Mountain, 6 miles southwest of Willow Creek. 914 Comment
  UC183597  Montia fontana Joseph P. Tracy 1913-6-17 41621 1/2 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  HSC89420  Morella californica P. A. Daly 1986-1-4 37 Humboldt Trinidad Head 61 Comment
  CAS-BOT-BC260572  Muhlenbergia filiformis Joseph P. Tracy 1933-7-25 12833 Humboldt Grouse Mountain 1524 Comment
  SEINET200835 Image available Muhlenbergia filiformis Joseph P. Tracy 1919-9-18 5233 Humboldt Trinity Summit 1829 Comment
  UC1239639  Myosotis discolor Joseph P. Tracy 1924-8-3 6748 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 6 Comment
  UC582608  Myosotis discolor Joseph P. Tracy 1936-6-9 14891 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 243 Comment
  HSC69535  Myosotis sylvatica R. Kalal 1979-5-20 73 Humboldt Logging road E of HSU campus, Arcata 58 Comment
  POM280267  Myrica californica Lyman Benson 1930-7-18 2191 Humboldt Shively, seaward north coast Mt. range, Eel River. 46 Comment
  UC1197941  Myrica californica Joseph P. Tracy 1930-11-2 9246 Humboldt on Eel R. above S. Fork McCann; Northern Coast Ranges, , Eel R. 60 Comment
  UC146196  Myrica californica J. P. Tracy 1906-8-18 2544 Humboldt immediate vicinity Eureka 0 Comment
  RSA246866  Myriophyllum aquaticum Robert F. Thorne, P. C. Everett 1965-8-9 35330 Humboldt Clam Beach County Park: along highway. 3 Comment
  POM89536  Myriophyllum sibiricum Joseph P. Tracy 1920-8-29 s.n. Humboldt Near mouth of Little River, in pond in coast sand dunes. 6 Comment
  UC1196931  Myriophyllum sibiricum Joseph P. Tracy 1913-9-9 4407 Humboldt In pond in sand dunes near mouth of Little River. 3 Comment
  CAS-BOT-BC60347  Nasturtium officinale Doris K. Kildale 1926-8-12 2484 Humboldt Moonstone Beach near Trinidad. Comment
  UC133641  Navarretia divaricata subsp. vividior Joseph P. Tracy 1906-7-4 2524 Humboldt near Hydesville (near mouth of Yager Creek); Northern Coast Region 60 Comment
  HSC32096  Navarretia intertexta D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5704 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC60864  Navarretia intertexta Mrs. M. H. Manning Apr 1901 Humboldt Hupa Comment
  JEPS70336  Navarretia intertexta W. L. Jepson 1902-7-11 2019 Humboldt Martin's Ranch South Fork Trinity River Comment
  HSC17146  Navarretia squarrosa S. V. Thompson 1967-7-24 22 Humboldt Near Boulder Creek Comment
  UC249525  Nemophila menziesii var. atomaria Joseph P. Tracy 1922-4-30 6026 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, , nr Willow Creek 152 Comment
  HSC13582  Nemophila menziesii var. atomaria Doris K. Kildale 1926-2-27 1517 Humboldt Big Rock at Little River Comment
  HSC13603  Nemophila menziesii var. atomaria D. E. Anderson 1962-2-10 1911 Humboldt 1 mi. S of Trinidad Comment
  HSC73127  Nemophila parviflora M. A. Baker 1980-5-18 1284 Humboldt Near Black Mtn. 1006 Comment
  HSC97178  Nemophila parviflora var. austiniae Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 13 Humboldt 1 mi. east of Hwy. 299 on Forest Service Rd. NF1; Grouse Mountain Meadow 1585 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
  CAS-BOT-BC60566  Noccaea fendleri subsp. glauca Thomas Nelson 1977-6-15 3437 Humboldt North Coast Ranges. Along old road to ski area. 1371 Comment
  POM266039  Noccaea fendleri subsp. glauca Lincoln Constance, Reed C. Rollins 1942-5-12 2887 Humboldt Klamath River, 7 miles NE of Weitchpec. 122 Comment
  HSC54589  Notholithocarpus densiflorus var. densiflorus Overton, Butler 1979-7-24 9657 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  RSA0013607  Nuphar lutea subsp. polysepala C. B. Wolf 1937-9-9 9309 Humboldt 1 mi. so. of Capetown on road to Cape Mendocino. 91 Comment
  CAS-BOT-BC400074  Nuphar polysepala L. R. Abrams 1918-6-16 7160 Humboldt Willow Creek Comment
  CAS-BOT-BC400077  Nuphar polysepala Carl B. Wolf 1937-9-9 9309 Humboldt 1 mi. So. of Capetown on road to Cape Mendocino 91 Comment
  UC565992  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; China Flat Quad. 182 Comment
  JEPS35818  Oenanthe sarmentosa Rimo Bacigalupi and L. R. Heckard 1964-7-28 8964 Humboldt 1/8 mi. above Shelter Cove (near water tanks for supplying Shelter Cove) Comment
  POM224763  Oenothera glazioviana P. A. Munz 1936-8-10 14335 Humboldt At edge of Rio Del. Comment
  HSC92716  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-14 Humboldt S of Trinidad, behind Matson Home, just E of Hwy. 101 near Moonstone Beach Exit 46 Comment
  HSC16681  Orobanche californica subsp. californica H. E. Parks, S. T. Parks 1930-9-14 782 Humboldt Big Lagoon Comment
  UC1197445  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1948-5-31 18004 Humboldt Near Harris. Comment
  UC1197566  Orthilia secunda Joseph P. Tracy 1940-7-7 16663 Humboldt Grouse Mt. on Friday Ridge 1371 Comment
  CAS-BOT-BC6997  Orthocarpus castillejoides var. humboldtiensis Philip Alexander Munz 1925-6-20 9890 Humboldt Eureka Comment
  RSA80294  Orthocarpus faucibarbatus F. W. Peirson, Mabel B. Peirson 1923-7-11 3849 Humboldt 7 miles N of Arcata. Comment
  SEINET8733538 Image available Orthocarpus faucibarbatus S. K. Harris 1936-1 683 Humboldt near railroad station, Eureka 3 Comment
  JEPS26161  Orthocarpus imbricatus E. Ethel Tracy 1919-8-1 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1524 Comment
  HSC82415  Orthocarpus imbricatus Thomas W. Nelson 1979-7-11 5031 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  HSC55862  Osmorhiza berteroi G. L. Clifton, Terry Griswold 1979-7-25 10871 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC74741  Osmorhiza berteroi Gail Newton 1981-7-24 2323 Humboldt Near Bug Creek Butte 1417 Comment
  HSC99397  Osmorhiza berteroi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 46 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC642234  Osmorhiza berteroi Joseph P. Tracy 1932-7-12 10450 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC1197131  Osmorhiza occidentalis Joseph P. Tracy 1947-7-9 17830 Humboldt Arford Cabin (Ski Lodge) Horse Mountain (lower slopes of mt.) Comment
  UC1222753  Osmorhiza occidentalis Joseph P. Tracy 1950-6-25 18887 Humboldt Burr Valley Buck Mountain (nw slope of mt.) 1066 Comment
  HSC29727  Oxalis oregana J. D. Ackerman, A. M. Montalvo 1973-4-29 75 Humboldt Previously logged area, 2 mi. NE of Kneeland. 457 Comment
  UC203882  Oxalis oregana Joseph P. Tracy 1918-5-28 4940 Humboldt e Bald Mt. (High Prairie Creek); Northern Coast Ranges 914 Comment
  HSC64217  Oxalis trilliifolia J. O. Sawyer, M. A. Ericksen 1979-6-23 3384 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  CAS-BOT-BC318152  Packera bolanderi var. bolanderi E. Hawver 1915-6-1 s.n. Humboldt near Carlotta Comment
  SEINET12011449  Paeonia californica E. A. York 1990-1-10 2704 Humboldt USGS Redwood Field Station, Arcata Comment
  RSA10050  Panicum capillare Joseph P. Tracy 1930-10-12 9207 Humboldt Eel River, Alton to Fortuna Comment
Read comments
Oct 2 2011
  UC33881  Panicum capillare Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  SEINET182648 Image available Parapholis incurva S. K. Harris, J. P. Tracy 1936-6-6 3218 Humboldt Eureka, California Comment
  UC1103787  Parapholis incurva Joseph P. Tracy 15871 Humboldt Samoa Comment
  HSC82967  Parapholis strigosa A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  UC885089  Parentucellia viscosa John Thomas Howell 1937-7-31 13719 Humboldt 3 mi w Korbel Comment
  UCSB30624  Parentucellia viscosa Edwards, David 1974-8-14 Humboldt 3/4 mi. in on dirt road from jct. with Fickle Hill Rd. ca. 1/4 mi. E. of jct. of Park Ave. and Fickle Hill Rd.; where dirt road forks several ways. ca. 50 ft. S. of power line twr. Arcata 121 Comment
  SJSU2547  Pectiantia ovalis H. L. Buckalew 1962-6-28 Humboldt Prairie Cr Redwoods State Park Comment
  BLMAR493  Pectiantia ovalis Jennifer Wheeler 2009-4-30 493 Humboldt King range, Hidden Valley trail; trail start Comment
  HSC104271  Pedicularis densiflora Samantha E. Andres 2016-3-14 1 Humboldt Along Hwy. 299, ~5 mi. W of Willow Creek 274 Comment
  UC1000449  Pedicularis densiflora Joseph P. Tracy 1942-5-16 17351 Humboldt Garberville 304 Comment
  UC582556  Pedicularis densiflora Joseph P. Tracy 1937-4-3 15251 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC902222  Pedicularis densiflora Joseph P. Tracy 1948-5-31 18006 Humboldt Harris 762 Comment
  JEPS27746  Pedicularis groenlandica Joseph P. Tracy 1925-7-5 7180 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1245386  Pedicularis groenlandica Joseph T. Gregory 1935-7-30 851 Humboldt at head of Virgin Creek; Salmon Summit 1828 Comment
  CAS-BOT-BC69338  Pellaea brachyptera Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC1074  Pellaea mucronata var. mucronata J. P. Tracy 1933-6-13 12561 Humboldt Hoopa Mtn., near summit on rd. from Hoopa westward to Bair's 1067 Comment
  HSC74185  Penstemon anguineus M. A. Baker 1980-7-23 3138 Humboldt Near Orleans Mtn. 1859 Comment
  HSC54203  Penstemon deustus Terry Griswold, Marvin Butler 1979-7-12 7243 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC55839  Penstemon deustus G. L. Clifton, Terry Griswold 1979-7-25 10786 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1586982  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-11 1548 Humboldt ne Bee Mountain; Six Rivers National Forest, ne of Bee Mountain 609 Comment
  HSC98095  Penstemon laetus subsp. sagittatus Cara Witte 2007-7-3 417 Humboldt Along National Forest 1. 1/4 mile north of Road V. 1268 Comment
  JEPS11630  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 A Humboldt on ridge 2 mi e Groves Prairie; Trinity Summit 1524 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
  HSC63246  Penstemon newberryi var. berryi M. A. Baker 1979-6-27 932 Humboldt E of Oregon Creek Comment
  HSC56083  Penstemon procerus var. brachyanthus G. L. Clifton, Terry Griswold 1979-7-31 11771 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC56195  Penstemon procerus var. brachyanthus Gilbert Muth 1979-8-1 12139 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC39394  Penstemon purpusii D. E. Anderson, J. P. Smith 1971-7-6 - 1279 Humboldt Horse Mtn. Comment
  SD129743  Penstemon rattanii var. rattanii Harold E. Parks June 1951 Humboldt Kneeland, Camaron Hill Comment
  UC1389969  Perideridia kelloggii T. I. Chuang and B. G. Briggs 1963-4-10 5087 Humboldt 17 mi se Bridgeville (along stream bank) Comment
  UC642297  Perideridia kelloggii Joseph P. Tracy 1930-10-26 9238 Humboldt Valley of South Yager Creek 762 Comment
  HSC73872  Perideridia parishii subsp. latifolia Gail Newton 1980-7-14 1459 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC37362  Petasites frigidus var. palmatus Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 494 Humboldt Along Lost Man Creek. 38 Comment
  UCD134920  Petasites frigidus var. palmatus Joseph M. DiTomaso 1976-3-28 359 Humboldt just east of summit on Highway 299, 7 miles west of Willow Creek. 762 Comment
  JEPS1435  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek Bluff Northern Coast Ranges, Eel River 60 Comment
  RSA298347  Phacelia bolanderi J. P. Smith, Steve Selva 1970-6-14 3821 Humboldt Along California 96 at Whitmore Creek. 152 Comment
  UC198663  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek Bluff Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  HSC70694  Phacelia corymbosa Gail Newton 1980-7-15 1559 Humboldt Near Sims Mtn. 1311 Comment
  HSC41590  Phacelia mutabilis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3615 Humboldt Alder Springs 1524 Comment
  HSC102566  Phacelia procera M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1553 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC74137  Phacelia procera M. A. Baker 1980-7-22 3119 Humboldt Near Grogan Hole. 1676 Comment
  CAS-BOT-BC258826  Phalaris angusta W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  CDA304  Phalaris arundinacea J. W. Logan 1926-6-2 2 Humboldt Russell Ranch, Eureka. 0 Comment
  RSA10051  Phalaris californica Joseph P. Tracy 1925-6-7 7085 Humboldt On Lord Ellis Road, on Bald Mountain 610 Comment
  UC725910  Philadelphus lewisii A. A. Heller 1923-7-9 13776 Humboldt near Blue Lake (5 mi from Arcata) Comment
  HSC58632  Phleum pratense Gilbert Muth 1979-7-31 11490 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  HSC38394  Phlox adsurgens J. D. Ackerman 1975-6-18 473 Humboldt Big Hill Rd. E of Hoopa and 10.9 mi. E of Hwy. 96 Comment
  UC23903  Phlox adsurgens Harley P. Chandler Jun 1901 1534 Humboldt Klamath River North Coars Ranges 426 Comment
  HSC44351  Phlox diffusa Brad Klipfel 1975-7-11 698 Humboldt Horse Mtn. Comment
  RSA141274  Phlox diffusa subsp. diffusa Joseph P. Tracy 1927-6-12 8126 Humboldt Horse Mountain 1433 Comment
  UC908449  Phlox gracilis Joseph P. Tracy 1935-7-23 14146 Humboldt Corral Summit Trinity Summit 1584 Comment
  RSA698146  Phoradendron villosum J. Russell Bruff 1937-3-19 802 Humboldt Oak Flat camp - Ridge Route. Comment
  JEPS386  Phyllospadix torreyi Joseph P. Tracy 1938-9-9 16146 Humboldt Trinidad Comment
  SEINET3290582 Image available Phyllospadix torreyi Joseph P. Tracy 1938-9-9 16146 Humboldt Trinidad Comment
  HSC83091  Phyllospadix torreyi Geo. W. Burtchett 1965-7-29 Humboldt Palmer's Point 0 Comment
  HSC99286  Physocarpus capitatus T. Jimerson, J. Pageau 1979-6-22 609 Humboldt Near Bee Mtn., close to the town of Orleans 655 Comment
  CAS-BOT-BC73445  Picea sitchensis Carl B. Wolf 1930-10-28 1037 Humboldt 5 miles south of Ferndale on road to Petrolia. 152 Comment
  RSA134613  Picea sitchensis P. C. Everett, E. K. Balls 1959-10-25 23969 Humboldt 3 miles S from Ferndale, on Old Coast Road to Capetown. 427 Comment
  UCSB21640  Picea sitchensis Haller, John 1967-6-17 Humboldt East side of Stone Lagoon near U.S. 101, 5 miles S. of Orick 15 Comment
  SEINET5334460  Picea sitchensis W. D. Billings 1940-6-28 1355 Humboldt 1/4 mile north of Trinidad Head Comment
  CAS-BOT-BC73290  Pinus contorta Ira L. Wiggins 1930-6-25 4620 Humboldt Sand dunes 2 miles north of Samoa. Comment
  HSC1482  Pinus contorta S. J. Hawks 1965-3-12 5 Humboldt 0.25 mi. W of Fairhaven Comment
  LA6061  Pinus contorta H. E. Parks; May 1931 sn Humboldt Samoa Comment
  NY49716  Pinus contorta var. contorta R. E. Anderson 1987-3-28 172 Humboldt Patrick's Point State Park, on west Rim Trail 30 Comment
  RSA286309  Pinus contorta var. contorta Robert F. Thorne 1974-7-29 45083 Humboldt Somoa Dunes. Comment
  UC519311  Pinus jeffreyi Joseph P. Tracy 1983-8-30 13007 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
Read comments
Jun 28 2015
  UC1196914  Pinus muricata unknown 1935-7-1 Humboldt Moonstone Beach settlement Moonstone Beach (0.5 mi or so back from ocean) 60 Comment
  HSC44053  Pinus ponderosa Thomas W. Nelson, Jane P. Nelson 1977-4-23 3344 Humboldt Tributary to Blanket Creek 1463 Comment
  HSC99047  Pinus ponderosa var. ponderosa Cara Witte 2008-6-13 725 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1455 Comment
  CAS-BOT-BC137277  Piperia elegans Mrs. H. C. Cantelow 1940-7-6 4062 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC13527  Piperia elegans Chesnut and Drew 1888-7-10 Humboldt Jarnnigan's Jarnigan's Comment
  UC303142  Piperia elongata Joseph P. Tracy 1925-7-12 7213 Humboldt near the South Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC104332  Piperia transversa James Regan, Humboldt Redwood Co., LLC 2008-7-18 28 Humboldt Happy Valley, Bear River 579 Comment
  HSC98111  Piperia unalascensis Cara Witte 2007-6-26 356 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36A. 1348 Comment
  UC1196411  Piperia unalascensis Joseph P. Tracy 1913-6-26 4346 Humboldt opposite Buck Mountain ( Dinesmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC227992  Plagiobothrys Doris Kildale Gillespie 1931-6-7 10647 Humboldt South Fork Mountain, Blake Lookout 1726 Comment
  CAS-BOT-BC169835  Plagiobothrys Doris K. Kildale 1929-4-27 7450 Humboldt Willow Creek - Salya road along Trinity River. 3 miles N of Willow Comment
  UC881326  Plagiobothrys bracteatus Alice Eastwood and John Thomas Howell 1937-6-23 4811 Humboldt Little Van Duzen River Comment
  HSC75440  Plagiobothrys hispidulus J. O. Sawyer 1980-7-18 3594 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS68075  Plagiobothrys nothofulvus W. L. Jepson 1934-5-7 16738 Humboldt Buckeye Prairie Bull Creek Comment
  UC526810  Plagiobothrys nothofulvus Joseph P. Tracy 1932-5-1 9861 Humboldt near Garberville; North Coast Ranges, Redway 182 Comment
  UC526811  Plagiobothrys nothofulvus Joseph P. Tracy 1932-5-1 9862 Humboldt near Garberville; North Coast Ranges, Redway 182 Comment
  HSC63979  Plagiobothrys nothofulvus J. P. Smith, J. O. Sawyer 1973-5-12 6679 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  JEPS68107  Plagiobothrys nothofulvus Lincoln Constance 1934-5-23 617 Humboldt above Look Prairie; Bull Creek Region, South Fork Eel River 365 Comment
  UC1239572  Plagiobothrys reticulatus Joseph P. Tracy 1932-5-1 9884 Humboldt Garberville Northern Coast Ranges, Garberville 121 Comment
  UC708087  Plagiobothrys reticulatus C. V. Piper 1921-5-22 5011 Humboldt Eureka Comment
  UC139568  Plagiobothrys reticulatus Joseph P. Tracy 1915-6-27 4660 Humboldt near the Creamery (Hydesville); Northern Coast Ranges, Hydesville 91 Comment
  JEPS6423  Plantago erecta Joseph P. Tracy 1932-5-10 9945 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  UC1196141  Plantago erecta Joseph P. Tracy 1921-4-24 5471 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC162584  Plantago erecta Joseph P. Tracy 1911-5-30 3197 Humboldt Bucksport North Coast Region, Humboldt Bay Region 0 Comment
  UC1222346  Plantago lanceolata Joseph P. Tracy 1951-6-23 19512 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC35345  Plantago lanceolata J. D. Ackerman, A. M. Montalvo 1975-6-22 484 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36 Comment
  HSC79381  Plantago maritima Kenneth Clark 1980-5-10 642 Humboldt Shelter Cove, bluffs of Point Delgada. 5 Comment
  UC1192024  Plantago maritima var. juncoides Malcolm A. Nobs and S. Galen Smith 1949-8-3 1205 Humboldt about 2 mi n Eureka; Humboldt Bay Comment
  UC1196129  Plantago maritima var. juncoides Joseph P. Tracy 1900-7-4 866 Humboldt Samoa Northern Coast Region, Humboldt Bay Region 0 Comment
  POM312378  Plantago subnuda Malcolm A. Nobs, S. Galen Smith 1949-8-3 1188 Humboldt Southern outskirts of Eureka Comment
  HSC101999  Platanthera leucostachys M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 898 Humboldt Patterson Meadows 1555 Comment
  HSC103985  Platystemon californicus E. R. Fyer 2015-3-19 15 Humboldt Samoa; along side of New Navy Base Rd 8 Comment
  SEINET780340  Plectritis A. Baker 1980-5-24 1450 Humboldt 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
  HSC63190  Pleuricospora fimbriolata M. A. Baker 1979-6-28 942 Humboldt Middle fork of Mill Creek. Comment
  HSC10612  Pleuropogon refractus L. M. Malloy 1965-5-15 37 Humboldt 2 mi. N of Trinidad on Trinity St. Comment
  RSA183537  Pleuropogon refractus H. S. Logsdon 1964-5-10 12 Humboldt 4 miles NE of Orick at Boye's Prairie Comment
  UC526779  Pleuropogon refractus Joseph P. Tracy 1932-7-14 10539 Humboldt Trinity Summit, Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  HSC26358  Poa annua T. O. Osborne 1970-6-18 41 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  UC1103793  Poa annua Joseph P. Tracy 1914-8-23 4588 Humboldt region about Humboldt Bay (forks of Elk River); Northern Coast Region 0 Comment
  SEINET7297590 Image available Poa bolanderi Joseph P. Tracy 1937-1 15581 Humboldt South Fork Mountain; Openings in fir forest near McKay camp. 1676 Comment
  UC34126  Poa howellii Joseph Burtt Davy Jun 8 1899-Jun 1 1901 5360 Humboldt Harris Comment
  UC576260  Poa howellii H. S. Yates 1936-6-16 5683 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  UC187251  Poa kelloggii Joseph P. Tracy 1911-6-4 3219 Humboldt along Little River (5 mi from coast); Northern Coast Region 121 Comment
  CAS-BOT-BC254280  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, S of point of the Cape, near ocean shore 30 Comment
  RSA129262  Poa pratensis H. S. Yates 1936-6-17 5703 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  UC33745  Poa pratensis subsp. pratensis Joseph Burtt Davy 1899-7-30 6178 Humboldt Ferndale Comment
  CAS-BOT-BC255018  Poa secunda R. K. Gierisch; D. H. Esplin 1969-7-1 3537 Humboldt Grouse Mountain, Six Rivers 1584 Comment
  UCD90330  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3478 Humboldt Head of South Yager Creek, near Yager. Comment
  HSC10805  Poa trivialis William J. Ferlatte 1963-5-6 35 Humboldt Arcata, near 11th and B Sts. Comment
  SEINET200570 Image available Poa trivialis J. P. Tracy 1909-6-13 2998 Humboldt On Mad River, 5 miles from its mouth, on damp banks in partial shade. 30 Comment
  OBI13588  Pogogyne zizyphoroides Joseph P. Tracy 1946-5-30 17544 Humboldt Carlotta. Open flat by old Strong's District School House, 5 mi E of town Comment
  UC1116249  Pogogyne zizyphoroides Joseph P. Tracy 1946-5-30 17544 Humboldt Carlotta, open flat by old Strong's District School House 5 miles east of town 60 Comment
  HSC94145  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A St. in Arcata 49 Comment
  JEPS27112  Polygala cornuta var. cornuta Joseph P. Tracy 1936-8-30 15182 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1198990  Polygala cornuta var. cornuta Joseph P. Tracy 1911-7-6 3348 Humboldt mountain slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC17467  Polygonum aviculare P. W. Shields 1955-6-18 Humboldt HSC Campus Comment
  UC275278  Polygonum aviculare subsp. depressum Joseph P. Tracy 1924-8-24 6826 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC672974  Polygonum bistortoides Joseph P. Tracy 1930-7-16 8924 Humboldt McKay Camp South Fork Mountain 1676 Comment
  UC1116240  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  UC144100  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1909-7-31 3038 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC54878  Polygonum minimum G. L. Clifton, Griswold 1979-7-25 10873 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC75441  Polygonum minimum J. O. Sawyer 1980-7-18 3608 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CHSC10117  Polygonum paronychia J. W. Johnson 1962-2-15 1152 Humboldt Arcata. In Hollow 3 South near foot of Dune 3 North, Christenson Farm Samoa Peninsula.. Comment
  HSC17511  Polygonum paronychia Jerry Parker 1968-11-22 245 Humboldt Mckinleyville Beach, Foot of Murray Rd. Comment
  UC203953  Polygonum polystachyum Joseph P. Tracy 1918-9-1 5096 Humboldt Newells Camp Northern Coast Ranges (on Kneeland Road) 457 Comment
  HSC98687  Polygonum sawatchense subsp. oblivium Cara Witte 2007-7-5 420 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1578 Comment
  CAS-BOT-BC421009  Polygonum spergulariiforme Doris Kildale 1931-6-6 10872 Humboldt Gans Prairie, Orick - Weitchpec road Comment
  HSC99028  Polygonum spergulariiforme Cara Witte 2008-7-14 895 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. 1380 Comment
  SEINET3404067 Image available Polygonum spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain, Jeffrey Pine Comment
  UC218626  Polypodium Joseph P. Tracy 1918-4-7 4865 Humboldt mouth of Little River; Northern Coast Ranges 15 Comment
  CAS-BOT-BC71921  Polypodium californicum Donald Branscomb 1959-2-1 s.n. Humboldt Trinidad Comment
  SDSU19201  Polypodium calirhiza Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3015 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.7 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 963 Comment
  HSC78979  Polypodium glycyrrhiza L. P. Janeway 1984-12-5 1194 Humboldt N Spit of Humboldt Bay, W side Samoa Rd. near the boat ramp 5 Comment
  UC1746694  Polypodium glycyrrhiza R. M. and A. F. Tryon Jun 1958 5560 Humboldt NW of Weott; S fork of the Eel River Comment
  UC184147  Polypogon interruptus Joseph P. Tracy 1912-6-27 3709 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  UC552696  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek; Northern Coast Ranges, Dobbyn Creek 152 Comment
  UC519315  Polystichum Joseph P. Tracy 1933-10-15 13101 Humboldt along S Fork Eel River Miranda; North Coast Ranges 91 Comment
  RSA693276  Polystichum lonchitis Anstruther Davidson 1923-8-10 17060 Humboldt Near Bridgeville Comment
  RSA430497  Polystichum munitum Lyman Benson 1929-7-19 1660 Humboldt Mouth of Matole River. Comment
  SEINET10793992  Polystichum munitum J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13008 Humboldt Leggett; Redwoods River Resort, 75000 Highway 101. Comment
  HSC98902  Polystichum scopulinum Cara Witte 2008-6-11 708 Humboldt Forest Service Road 5N10. At intersection of Forest Service Road 5N41. 1294 Comment
  HSC98644  Populus trichocarpa Cara Witte 2007-7-26 598 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1366 Comment
  RSA239755  Potamogeton natans Larry E. DeBuhr, Gary D. Wallace 1973-5-19 1117 Humboldt Prairie Creek Redwood State Park; at Gold Bluff Beach. Comment
  HSC62825  Potamogeton nodosus J. M. DiTomaso 1979-4-21 892 Humboldt Next to Hwy. 101 at Crannell Rd. exit between Westhaven and Mckinleyville Comment
  JEPS42952  Potamogeton pectinatus Joseph P. Tracy 1916-6-19 4718 Humboldt Dobbyn Creek; Northern Coast Ranges 182 Comment
  HSC90640  Potentilla anserina subsp. pacifica Gail Newton 1982-6-10 3605 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC90766  Potentilla anserina subsp. pacifica Gail Newton 1982-5-5 2519 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1321457  Potentilla anserina subsp. pacifica Arne Henrik Rousi 12 Humboldt Comment
  HSC102525  Potentilla drummondii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1512 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC492177  Potentilla gracilis Joseph P. Tracy 1932-7-10 10387 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  HSC44757  Potentilla gracilis Maralyn O'Meara 1972-6-8 82 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  HSC99393  Prosartes hookeri K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 42 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC95735  Prosartes smithii Steven Lee 2004-4-13 20 Humboldt Arcata Community Forest, hillside along Jolly Giant Creek Comment
  CAS-BOT-BC517502  Prosartes smithii Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC49800  Prosartes smithii R. York 1979-4-9 214 Humboldt Behind HSU campus, by trail Comment
  HSC97300  Prosartes smithii M. Mesler 2006-6-24 620 Humboldt NNE of Grouse Mtn., 1.1 mi. from NF 1 1555 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
  HSC59239  Prunella vulgaris Clark L. Miller 1978-5-13 1130 Humboldt Comment
  HSC56433  Prunella vulgaris subsp. lanceolata Griswold, Butler 1979-7-12 7145 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  BLMAR261  Prunella vulgaris subsp. lanceolata Jennifer Anthony-Wheeler 1998-7-14 261 Humboldt King range, strawberry rock grazing allotment 280 Comment
  RSA289937  Prunella vulgaris var. lanceolata Lincoln Constance 1934-5-24 641 Humboldt Bull Creek Region, South Fork Eel River 122 Comment
  HSC102105  Prunus emarginata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1008 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  JEPS44938  Prunus emarginata W. L. Jepson 1902-7-16 2034 Humboldt Trinity Summit 2133 Comment
  UC1198776  Prunus subcordata Joseph P. Tracy 1932-6-14 19142 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC98946  Prunus virginiana var. demissa Cara Witte 2008-6-15 731 Humboldt Coldspring Camp. 1445 Comment
  CAS-BOT-BC357606  Pseudognaphalium stramineum Joseph P. Tracy 1937-6-26 15364 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC95588  Pseudognaphalium stramineum Andrea Pickart 2002-7-3 162 Humboldt Lanphere Dunes: Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  CAS-BOT-BC357600  Pseudognaphalium stramineum Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region Comment
  UC1222889  Pseudognaphalium thermale Joseph P. Tracy 1950-9-22 19376 Humboldt below 8 mi Orleans (near Slate Creek); Klamath River 121 Comment
  UC1193111  Pseudotsuga menziesii P. Zinke 1950-8-3 145 Humboldt 3 mi s of Harris; Quad. 29D3 914 Comment
  HSC54576  Pseudotsuga menziesii var. menziesii Overton, Butler 1979-7-24 9612 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  OBI36540  Pseudotsuga menziesii var. menziesii David J. Keil 1983-7-2 17338 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  CAS-BOT-BC361931  Psilocarphus tenellus Doris K. Kildale 1926-6-27 2205 Humboldt Laribee Valley 701 Comment
  UC169085  Psilocarphus tenellus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3592 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC1199361  Psilocarphus tenellus Joseph P. Tracy 1915-6-27 4661 Humboldt near Carlotta; Northern Coast Ranges, Yager Creek 60 Comment
  CAS-BOT-BC72555  Pteridium aquilinum Ira L. Wiggins 1930-7-11 4684 Humboldt near Samoa Comment
  HSC1160  Pteridium aquilinum var. pubescens Gene S. Van Horn 1962-5-25 27 Humboldt 200 ft. N of main house at 250 E 17th St., Arcata 61 Comment
  JEPS60088  Pteridium aquilinum var. pubescens Lincoln Constance 1934-6-13 876 Humboldt Bull Creek Region, S. Fork Eel R. Comment
  SEINET200714  Pyrola americana J. P. Tracy 1901-6-30 1191 Humboldt Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC460604  Pyrola aphylla Doris K. Kildale 1927-7-3 3632 Humboldt Willow Creek Flat 152 Comment
  JEPS48537  Pyrola crypta Hilda W. Grinnell 1932-7-19 29 Humboldt McKay Camp, So. Fork Mt. Comment
  HSC97954  Pyrola crypta Cara Witte 2007-6-2 397 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1546 Comment
  HSC55032  Pyrola picta Overton, Butler 1979-7-31 11471 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC55055  Pyrola picta G. L. Clifton, Griswold 1979-7-31 11588 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa Comment
  UC412735  Pyrola picta Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC56314  Pyrola picta Joseph Burtt Davy 1899-6-19 5644 Humboldt Hoopa Mountain Comment
  CAS-BOT-BC62629  Quercus chrysolepis T. Worley; M. Mill; F. Rosenthal 1985-5-10 59 Humboldt Grays Falls Campground 240 Comment
  CAS-BOT-BC62675  Quercus chrysolepis Doris K. Kildale 1926-5-16 1842 Humboldt Horse Mt. road 792 Comment
  HSC40858  Quercus chrysolepis Thomas W. Nelson 1976-7-9 2988 Humboldt Ridge S of the E peak of the Lassic Peak (Signal peak) group. 1707 Comment
  UC54678  Quercus chrysolepis Harley P. Chandler Jun 1901 1435 Humboldt Klamath River North Coast Ranges 304 Comment
  UC5582  Quercus chrysolepis Joseph Burtt Davy and Walter C. Blasdale 1899-5 5458 Humboldt near Elk Prairie Comment
  UCD40471  Quercus chrysolepis Rodney Gale Myatt 1971-9-21 1185 -12 Humboldt Near Orleans, northeast of Hoopa Reservation, along Klamath River. 185 Comment
  UCD45382  Quercus chrysolepis Lincoln Constance 1934-6-15 885 Humboldt Summit of Grasshopper Peak; el. C. 3200 ft. Bull Creek Region. South Fork Eel River, Humboldt County, California. 1158 Comment
  HSC73544  Quercus garryana Gail Newton 1980-7-14 1469 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC97282  Quercus garryana M. Mesler 2007-6-25 766 Humboldt Trail to Mill Creek Lakes 1585 Comment
  UC1052191  Quercus garryana J. L. Meyer 1954-10-10 36 Humboldt 3 mi nw Blocksburg 548 Comment
  UC1193252  Quercus garryana P. Zinke 1950-8-3 144 Humboldt 914 Comment
  UC1541341  Quercus garryana H. E. Parks, J. P. Tracy 1930-9-15 764 Humboldt Kneeland Prairie Bald Hills Comment
  SEINET12034478  Quercus garryana K. S. Erdman 1970-1 4764 Humboldt Schoolhouse Peak on Bald Hills Road about 16 mi S of Orick,T9N,R2E,Sec24 914 Comment
  OBI36116  Quercus garryana var. garryana David J. Keil 1983-7-1 17265 Humboldt Ca. 8 mi W of jctn US 101 along Bull Creek Flats rd Comment
  OBI36667  Quercus kelloggii David J. Keil 1983-7-2 17342 Humboldt 2.8 mi S of SR 299 along titlow HIll rd, SW of Willow Creek Comment
  UCD165088  Quercus parvula var. shrevei Lois W. Weeth; Kerry Heise and John M. Tucker 2003-10-21 s.n. Humboldt 21.1 mi. from Garberville along Alderpoint Rd. 107 Comment
  HSC99441  Quercus sadleriana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 91 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS37674  Quercus sadleriana W. L. Jepson Jul 16 1902-Jul 23 1902 2033 Humboldt just below Trinity Summit 2133 Comment
  OBI14233  Quercus sadleriana Carl B. Wolf 1937-8-13 9261 Humboldt North Coast Range, 12 mi E of Hoopa Valley on New road towards Trinity summit 1676 Comment
  UC1196510  Quercus wislizeni Joseph P. Tracy 1938-6-9 15883 Humboldt North Dobbyn Creek Dobbyn Creek 152 Comment
  UC1196264  Ranunculus J. P. Tracy 1902-8-10 1766 Humboldt R. R. Station Immediate vicinity of Eureka 0 Comment
  SEINET516271  Ranunculus californicus Vernon H. Oswald 1998-4-16 8912 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  HSC90768  Ranunculus flammula var. ovalis Gail Newton 1982-5-31 3566 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA85287  Ranunculus flammula var. ovalis F. W. Peirson 1923-7-11 3726 Humboldt 7 miles N of Arcata. Comment
  UC1196268  Ranunculus muricatus Joseph P. Tracy 1914-6-7 4495 Humboldt Falk Northern Coast Region, region about Humboldt, South Fork of (roadside) 0 Comment
  HSC18154  Ranunculus muricatus J. L. Baker 1965-4-10 35 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  HSC100620  Ranunculus occidentalis Carl C. Marshall May 1886 95 Humboldt Near Scottsville. Comment
  UC1196226  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5457 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  HSC36501  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1890 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC39588  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1976-6-22 2807 Humboldt Around Senteney Rock 1524 Comment
  SDSU10120  Ranunculus orthorhynchus Leslie Hickson 1990-4-15 15 IV90A Humboldt 38 Apple Valley Lane in the northwest corner of the pasture. Comment
  UC1196243  Ranunculus orthorhynchus var. orthorhynchus J. P. Tracy Jun 19 1898-May 26 1899 230 Humboldt Ricks Prairie Immediate vicinity of Eureka (edge of pond) 0 Comment
  UC9487  Ranunculus orthorhynchus var. orthorhynchus Harley P. Chandler May 1901 1110 Humboldt Arcata North Coast Ranges, Humboldt Bay 30 Comment
  CDA3495  Ranunculus parviflorus B. F. Kemp 1958-5-5 396 -58 Humboldt Loleta. 0 Comment
  CDA3497  Ranunculus parviflorus E. C. Whitney 1962-5-29 Humboldt Millsap property, Pepperwood. 0 Comment
  HSC18174  Ranunculus pusillus J. P. Tracy 1903-5-24 1912 Humboldt Alder Point on Eel River 152 Comment
  HSC90641  Ranunculus repens Gail Newton 1982-6-10 3613 Humboldt Elk River Wildlife Area, Eureka Comment
  SBBG2270  Ranunculus repens H. and M. Dearing 1939-5-26 3445 c Humboldt near Arcata Comment
  UC1191438  Ranunculus repens Malcolm A. Nobs and S. Galen Smith 1949-8-3 1184 Humboldt Eureka; marsh and bog land at southern outskirts Comment
  UC668062  Ranunculus repens Joseph P. Tracy 1938-5-8 15740 Humboldt 4 mi e Carlotta 30 Comment
  CHSC1495  Ranunculus repens var. repens M. Underhill 1952-7-13 Humboldt 1 Comment
  UCD16181  Ranunculus sardous J. DiTomaso 2000-8-12 s.n. Humboldt Arcata bottoms along Seidel Rd. Comment
  HSC56011  Ranunculus uncinatus Gilbert Muth 1979-7-31 11494 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  UC502929  Ranunculus uncinatus Joseph P. Tracy 1932-7-10 10394 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  RSA167446  Rhamnus californica Joseph P. Tracy 1950-6-18 18848 Humboldt Near Petrolia, Hills betw town and Ocean Comment
  RSA32664  Rhamnus californica Doris K. Kildale 1927-7-3 s.n. Humboldt Willow Creek Flat. Comment
  JEPS42009  Rhamnus californica subsp. californica W. L. Jepson 1903-6-19 2206 Humboldt Briceland, s Humboldt County Briceland Comment
  UC249596  Rhamnus californica subsp. californica Joseph P. Tracy 1921-10-2 5963 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC7835  Rhododendron columbianum J. F. Knezevich 1967-5-23 452 Humboldt N of Trinidad at Big Lagoon 15 Comment
  HSC33060  Rhododendron macrophyllum Thomas W. Nelson 1974-5-7 1239 Humboldt Old Kneeland Rd. Comment
  CAS-BOT-BC199710  Rhododendron occidentale Doris K. Kildale 1929-4-21 7431 Humboldt Patrick's [Patrick] Creek - between Trinidad & Big Lagoon 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
  UCR32089  Rhododendron occidentale David J. Keil 1983-7-2 17313 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  HSC96473  Rhododendron occidentale var. paludosum Gordon Leppig 1997-6-19 456 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC96519  Rhododendron occidentale var. paludosum Gordon Leppig 1998-5-11 759 Humboldt Big Lagoon County Park. 3 Comment
  CAS-BOT-BC433141  Ribes W. R. Dudley 1899-1-1 s.n. Humboldt Possibly South of Arcata Comment
  HSC103208  Ribes binominatum Jade Paget-Seekins 2010-7-5 37 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  HSC99095  Ribes binominatum Cara Witte 2008-7-28 944 Humboldt Buck Flat. Near intersection of National Forest 1 and Forest Service Road 5N01. 1591 Comment
  RSA167293  Ribes binominatum Joseph P. Tracy 1950-7-1 18949 Humboldt Grouse Mountain; at Cold Springs . 1433 Comment
  RSA459475  Ribes binominatum Thomas W. Nelson, Jane Nelson 1976-7-26 3040 Humboldt Along ridge NW of Mount Lassic (Signal Peak) 1707 Comment
  RSA459478  Ribes bracteosum Barbara Kelly 1977-4-23 304 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  OBI14064  Ribes divaricatum var. klamathense Joseph P. Tracy 1941-3-26 16813 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek Comment
  HSC103215  Ribes divaricatum var. pubiflorum Jade Paget-Seekins 2010-4-16 9 Humboldt Hwy 36. Van Duzen County Park. Along the road on the west side of the park. 95 Comment
  HSC56246  Ribes lacustre Walter Overton 1979-8-1 12353 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  CAS-BOT-BC173359  Ribes lobbii Peter H. Raven; R. Snow 1958-7-20 11632 Humboldt 12.8 miles south-west of United States 299 on Friday Ridge Road to Grouse Mountain, 0.2 miles north-east of Titlow Hill road junction Comment
  CAS-BOT-BC173364  Ribes lobbii Joseph P. Tracy 1933-7-16 12783 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  CAS-BOT-BC173367  Ribes lobbii Joseph P. Tracy 1948-9-5 18177 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar) 1280 Comment
  HSC103205  Ribes lobbii Jade Paget-Seekins 2010-6-30 33 Humboldt Grouse Mountain on Forest Route 1 at the fork with Grouse Mountain Road. 1578 Comment
  HSC69887  Ribes lobbii Thomas W. Nelson, Jane P. Nelson 1977-7-30 3665 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  HSC103132  Ribes lobbii M. Mesler 2009-9-7 816 Humboldt Trail to Mill Creek Lakes, above Hoopa 1646 Comment
  CAS-BOT-BC206044  Ribes menziesii Doris K. Kildale 1928-2-19 4272 Humboldt Patrick's Point Comment
  SBBG72058  Ribes menziesii H. E. Parks -Apr-1933 4402 Humboldt McNeils Crk, vicinity of Trinidad Comment
  UC552240  Ribes menziesii Joseph P. Tracy 1935-3-3 13713 Humboldt Dow's Prairie 60 Comment
  UC902108  Ribes menziesii Joseph P. Tracy 1948-3-6 17953 Humboldt Trinidad 60 Comment
  JEPS49190  Ribes roezlii Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville Northern Coast Ranges 121 Comment
  UC1193213  Ribes roezlii K. Cuff 1950-10-11 129 Humboldt 7 mi n Honeydew; Quad. 28A4 1005 Comment
  UC902057  Ribes roezlii Joseph P. Tracy 1942-3-8 17066 Humboldt Miranda South Fork of Eel River 121 Comment
  RSA167292  Ribes roezlii var. amictum Joseph P. Tracy 1950-6-18 18850 Humboldt Wilder Ridge Comment
  JEPS79967  Ribes roezlii var. cruentum Joseph P. Tracy 1930-7-25 8885 Humboldt Trinity River Valley at Willow Creek Trinity River Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  SEINET3121271 Image available Ribes roezlii var. cruentum Joseph P. Tracy 1944-7-3 17481 Humboldt Trinity River Valley; Willow Creek 152 Comment
  UC667068  Ribes roezlii var. cruentum Joseph P. Tracy 1937-3-27 15240 Humboldt near Blue Lake; Mad River 15 Comment
  HSC73148  Ribes sanguineum M. A. Baker 1980-5-18 1286 Humboldt Near Black Mtn. 1006 Comment
  UC1563694  Ribes sanguineum Barbara Ertter with Thomas J. Delendick 1987-5-16 6939 Humboldt ca. 3 mi e Berry Summit (on Hwy 299, on s side of road above Willow Cr., ca. 20 air mi e of Arcata) 800 Comment
  UC1198912 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1912-3-31 3563 Humboldt near mouth Lindsey Creek; Northern Coast Ranges 30 Comment
  RSA0018243  Ribes sanguineum var. glutinosum Elmer I. Applegate 1923-9-12 3991 Humboldt Stone Lagoon, south of Orick. Comment
  HSC102023  Ribes viscosissimum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 924 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  UC195067  Rigiopappus leptocladus Joseph P. Tracy 1916-6-19 4738 Humboldt near Alder Point; Northern Coast Ranges, Cahto Creek 152 Comment
  HSC35152  Romanzoffia tracyi Gary S. Lester 1975-4-4 605 Humboldt About 1 mi. N of Elk Head near Trinindad 15 Comment
  CAS-BOT-BC74370  Rorippa columbiae Henry M. Pollard 1956-10-9 s.n. Humboldt Near Fig Tree Riffle at Woodson Mine, Klamath River, Orleans. Comment
  UC902154  Rosa Joseph P. Tracy 1949-8-7 18438 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC146479  Rosa gymnocarpa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC146483  Rosa gymnocarpa W. R. Dudley 1899-6-1 s.n. Humboldt Shady run - Scotia Comment
  CAS-BOT-BC146485  Rosa gymnocarpa Carl D. Duncan 1920-9-1 s.n. Humboldt Hoopa Comment
  CAS-BOT-BC146496  Rosa gymnocarpa Doris K. Kildale 1927-7-3 3644 Humboldt Willow Creek Flat 152 Comment
  HSC99635  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-13 543 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  SEINET200818  Rosa gymnocarpa Joseph P. Tracy 1939-8-16 16404 Humboldt Horse Mountain , In open forest of Jeffrey Pine, on red soil in serpintine belt. 1433 Comment
  RSA134587  Rosa nutkana Percy C. Everett, E. K. Balls 1959-10-25 23973 Humboldt 11.6 miles SW from Ferndale on Old Coast Road to Capetown. 244 Comment
  UC667037  Rosa pisocarpa Joseph P. Tracy 1933-7-25 12898 Humboldt hillside Grouse Mt. 1524 Comment
  POM182019  Rubus laciniatus F. W. Peirson 1923-7-10 3755 Humboldt Wood border opening near road about 6 miles N of Garberville. Comment
  CAS-BOT-BC148388  Rubus leucodermis L. R. Abrams 1918-6-16 7144 Humboldt Willow Creek Comment
  JEPS47690  Rubus leucodermis Lincoln Constance 1934-5-24 635 Humboldt bordering lower Look Prairie on e side , Bull Creek Region (South Fork Eel River) 121 Comment
  CAS-BOT-BC147244  Rubus parviflorus Doris K. Kildale 1926-3-26 1635 Humboldt Old Kneeland Road 609 Comment
  HSC41325  Rubus parviflorus Brad Klipfel 1974-8-2 516 Humboldt Horse Mtn. Comment
  HSC97656  Rubus parviflorus Kevin Thomas 2004-4-26 17 Humboldt Jacoby Creek Rd. Comment
  NY1043364  Rubus parviflorus D. K. Gillespie 1938-8-6 15397 Humboldt Eureka Comment
  RSA1366  Rubus parviflorus E. R. Johnson 1929-08 1416 Humboldt Arcata Redwood Park. 76 Comment
  SBBG115409  Rubus parviflorus A. T. Leiser 1980-7-9 Humboldt N of Orick, Hwy 101 reroute, near Redwood Park Comment
  HSC31512  Rubus spectabilis Steve Selva, Roger Jensen 1974-8-21 27 Humboldt Redwood grove adjacent to Hwy. 101 rest stop, ca. 3 mi. N of Trinidad Comment
  UC461843  Rubus spectabilis Chestnut and Drew July 1888 Humboldt near Arcata Comment
  RSA613682  Rubus spectabilis var. franciscanus D. D. Keck, J. Clausen 1935-6-16 3394 Humboldt Mouth of Little River. Comment
  UC1199050  Rubus ursinus Joseph P. Tracy 1939-4-16 16210 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  UCD17623  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 041 Humboldt California. Humboldt County: west boundary of Whittenmore State Park on road from Garberville (Redhill) to Briceland. 15.25 miles east of Ettersburg via Briceland. Comment
  UCD17844  Rubus ursinus H. Olmo 8-10 May 1962 62- 31 Humboldt California. Humboldt County: 9 miles east of Carlotta. Comment
  UCD17930  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53- 59 A Humboldt California. Humboldt County: Jordan Street in Rohnerville. In city limits, 0.5 blocks west of the north side of the Richfield filling station. Comment
  UCD89723  Rubus ursinus Lindsay Clark 2008-6-23 KRC 2 Humboldt Nadelos Campground in King Range Conservation Area, 3.8 miles SE of Shelter Cove. 551 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
  HSC75259  Rudbeckia occidentalis J. O. Sawyer, M. A. Ericksen 1980-8-18 4053 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC17572  Rumex acetosella R. D. Modafferi 1965-3-19 33 Humboldt 0.9 mi. S of Trinidad on Hwy. 101 305 Comment
  HSC17583  Rumex acetosella J. E. Lankila 1962-5-14 28 Humboldt W bank of river at Fernbridge Comment
  HSC95647  Rumex acetosella Andrea Pickart 2002-4-3 36 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  HSC39979  Rumex crassus Linda M. Barker 1976-8-2 1672 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata 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
  HSC79366  Rumex crispus Kenneth Clark 1980-5-10 649 Humboldt Shelter Cove, Point Delgada, on access trail to Western Beach 6 Comment
  CAS-BOT-BC433703  Rumex occidentalis W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  UC673062  Rupertia physodes Joseph P. Tracy 1935-6-23 13993 Humboldt French Camp Ridge 1066 Comment
  SEINET10501996  Ruppia maritima Mary Susan Taylor 1982-10-24 Taylor 5179 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  HSC4508  Salicornia depressa P. W. Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  SD37466  Salix Edith A. Purer 1932-7-27 4152 Humboldt Samoa, sand dunes Comment
  CAS-BOT-BC103455  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  CAS-BOT-BC103818  Salix exigua Harold E. Parks 1931-5-14 0964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC490574  Salix exigua var. hindsiana Joseph P. Tracy 1932-7-31 10289 Humboldt along Eel R. from S. Fork to Scotia (mouth of Larrabee Creek); Northern Coast Ranges 60 Comment
  CAS-BOT-BC104096  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0975 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC106850  Salix hookeriana Harold E. Parks 1931-5-12 0954 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107719  Salix hookeriana W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  CAS-BOT-BC107721  Salix hookeriana Joseph P. Tracy 1936-2-23 14773 Humboldt Fortuna, on bank of Eel River 15 Comment
  CAS-BOT-BC107742  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  CAS-BOT-BC107769  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1222 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CHSC9658  Salix hookeriana E. L. Smith 1971-8-17 1028 Humboldt Between highway and beach at Trinidad. Comment
  HSC19958  Salix hookeriana H. E. Parks 1931-5-12 956 Humboldt Samoa, Humboldt Bay 0 Comment
  HSC40878  Salix hookeriana Linda M. Barker 1976-9-3 1693 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC90193  Salix hookeriana Jean Hanson 1980-3-8 10 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC96357  Salix hookeriana Gordon Leppig 1999-4-15 1118 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  POM160840  Salix hookeriana Joseph P. Tracy 1925-10-11 7280 Humboldt Near Loren Frost place, on Kneeland Road. Near Kneeland Prairie. 610 Comment
  UC1225922  Salix hookeriana Joseph P. Tracy 1947-7-2 17758 Humboldt 6 mi s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC1225923  Salix hookeriana Joseph P. Tracy 1942-7-26 17297 Humboldt near the Redwood House S. Yaeger Creek 609 Comment
  UC176176  Salix hookeriana Joseph P. Tracy 1913-9-21 4413 Humboldt Humboldt Bay Northern Coast Region (dunes of ocean beach) Comment
  UC469112  Salix hookeriana Joseph P. Tracy 1931-8-23 9620 Humboldt sand dunes near Samoa; Northern Coast Region, on Humboldt Bay 6 Comment
  UC481336  Salix hookeriana Harold E. Parks August, 1931 1057 Humboldt Bishop Pine Lodge Trinidad 150 Comment
  UC504054  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 4 Humboldt around Eureka Eureka Comment
  UC511977  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1251 Humboldt 2 mi e of Redwood Hwy. Engelhart gravel pit (above Blue Lake Rd., floodplain of Mad River); Mad River Comment
  UC519335  Salix hookeriana Joseph P. Tracy 1933-10-15 13093 Humboldt near Miranda (along S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  UCD111042  Salix hookeriana Linda M. Barker 1976-6-14 1599 Humboldt 3 miles west of Arcata. Comment
  UCD111043  Salix hookeriana Linda M. Barker 1976-9-3 1693 Humboldt 3 miles west of Arcata. Comment
  CDA39526  Salix hookeriana Gordon Leppig 2005-4-8 2203 Humboldt Humboldt Bay Dunes and Wetlands; North Spit, south end of Peninsula Drive. Comment
  UC481831  Salix laevigata Mrs. H. P. Bracelin 1931-5-2 284 a Humboldt 6 km. s Alton (e of Redwood Hwy.) 20 Comment
  HSC19978  Salix lasiandra J. W. Johnson 1962-3-7 1171 Humboldt Next to the barn of the Lanphere Farm, Samoa Peninsula Comment
  HSC19989  Salix lasiandra H. E. Parks, S. T. Parks 1932-4-5 1101 Humboldt Little River Lagoon Comment
  UC519383  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-5-14 12179 Humboldt at Willow Creek bridge Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC107618  Salix lasiolepis Harold E. Parks 1931-3-31 9328 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107643  Salix lasiolepis Joseph P. Tracy 1933-4-2 10960 Humboldt On open grassy slope of Berry's Mountain, on Trinity Highway, east of Redwood Creek 762 Comment
  CAS-BOT-BC107645  Salix lasiolepis Joseph P. Tracy 1932-8-27 10753 Humboldt Blue Slide, on Van Duzen River 91 Comment
  JEPS12949  Salix lasiolepis Joseph P. Tracy 1932-3-6 9775 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 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
  SBBG57890  Salix lasiolepis C. R. Ball, H. E. Parks, J. P. Tracey 1932-5-17 1324 Humboldt W slope of Berry's Mtn, E of Redwood Crk 762 Comment
  UC275522  Salix lasiolepis Joseph P. Tracy 1924-2-24 6604 Humboldt on S. Fork Eel R. McKee's Mill; Northern Coast Ranges, S. Fork Eel R., McKee's Mill 60 Comment
  UC469408  Salix lasiolepis Joseph P. Tracy 1927-3-27 7869 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC481290  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481291  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481338  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC506341  Salix lasiolepis Joseph P. Tracy 1933-4-9 10967 Humboldt Bridgeville, along Van Duzen River 228 Comment
  UC511982  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1247 Humboldt Van Duzen R. at Blue Slide; Van Duzen R., Blue Slide 91 Comment
  UC519344  Salix lasiolepis Joseph P. Tracy 1933-10-15 13090 Humboldt along river near Miranda; Coast Ranges, South Fork of Eel River 91 Comment
  UCD111583  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-13 01254 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road. Comment
  CAS-BOT-BC107294  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01239 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107300  Salix lasiolepis var. bigelovii Doris K. Kildale 1926-12-19 2873 Humboldt South Fork 51 Comment
  HSC102022  Salix lucida subsp. lasiandra M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 923 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  CAS-BOT-BC125606  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0974 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC125611  Salix melanopsis Harold E. Parks 1931-5-14 0956 a Humboldt Van Duzen River above Bridgeville 300 Comment
  CAS-BOT-BC125629  Salix melanopsis Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 01252 Humboldt On floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC125636  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0973 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  SJSU193  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC1196567  Salix melanopsis Joseph P. Tracy 1932-5-1 9847 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC275492  Salix melanopsis Joseph P. Tracy 1925-7-26 7209 Humboldt near S. Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC469454  Salix melanopsis Joseph P. Tracy 1931-9-7 9634 Humboldt Trinity R. Valley at Willow Creek Bridge; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481284  Salix melanopsis Harold E. Parks 1931-5-14 960 Humboldt Van Duzen R. between Alton and Carlotta; Van Duzen R. 15 Comment
  UC511973  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1252 Humboldt Mad River at Engelhart gravel pit (2 mi. e. of Redwood Hwy. and above Blue Lake Rd.) Comment
  CAS-BOT-BC129140  Salix scouleriana H. E. Parks 1933-1-24 1352 Humboldt Spruce Cove (Parks Ranch), Trinidad Comment
  HSC56010  Salix scouleriana Gilbert Muth 1979-7-31 11493 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  SBBG28832  Salix scouleriana H. E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay Comment
  SD884  Salix scouleriana Harold E. Parks 1931-5-12 955 a Humboldt Samoa, Humbolt Bay Comment
  UC1173625  Salix scouleriana Joseph P. Tracy 1937-3-21 15238 Humboldt near Grizzly Creek Van Duzen R. 91 Comment
  UC1173628  Salix scouleriana Joseph P. Tracy 1936-2-2 14769 Humboldt vicinity of Carlotta 30 Comment
  UC1196699  Salix scouleriana Joseph P. Tracy 1919-9-14 5204 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC1196700  Salix scouleriana Joseph P. Tracy 1912-2-25 3558 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC1196709  Salix scouleriana Joseph P. Tracy 1936-2-2 14765 Humboldt vicinity of Carlotta Carlotta 30 Comment
  UC1196710  Salix scouleriana Joseph P. Tracy 1936-2-2 14768 Humboldt vicinity of Carlotta Carlotta 30 Comment
  UC490508  Salix scouleriana Joseph P. Tracy 1932-9-16 10795 Humboldt near mouth of Mad River; Northern Coast Ranges 30 Comment
  UC525975  Salix scouleriana H. E. Parks 1933-1-24 1352 Humboldt Spruce Cove (Parks Ranch) Trinidad; , Spruce Cove (Parks Ranch) Comment
  CAS-BOT-BC128960  Salix sitchensis Joseph P. Tracy 1932-7-18 10724 Humboldt Rocky exposed places, head of Brett Hole - Klamath Mountains 1828 Comment
  CHSC9554  Salix sitchensis E. L. Smith 1971-4-6 924 Humboldt At Field's Landing ca. 7 mi s of Eureka. Comment
  HSC38184  Salix sitchensis Thomas W. Nelson, James Nelson 1976-3-5 3282 Humboldt Along S fork of Martins Slough just upstream from Eureka Muni Golf Course Comment
  HSC56143  Salix sitchensis G. L. Clifton, Griswold 1979-8-1 11971 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC1600860  Salix sitchensis Joseph P. Tracy 1933-10-8 13086 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  JEPS12179  Salpichroa origanifolia Joseph P. Tracy 1933-8-22 12972 Humboldt Eureka 0 Comment
  UC585975  Salpichroa origanifolia Joseph P. Tracy 1933-8-22 12972 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC98110  Sambucus mexicana Cara Witte 2007-6-27 362 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/4 mile east of spring. 1583 Comment
  HSC69779  Sambucus racemosa var. racemosa R. Kalal 1979-4-21 82 Humboldt 0.4 mi. E of Table Bluffs County Park. 15 Comment
  UC1225816  Sambucus racemosa var. racemosa Joseph P. Tracy 1947-8-24 17912 Humboldt e Box Camp; Trinity Summit 1676 Comment
  HSC21612  Sanicula arctopoides J. R. Kahl 1962-4-13 16 Humboldt 1 mi. N of Samoa, 1,200 yds. from ocean Comment
  UC1197114  Sanicula arctopoides Joseph P. Tracy 1918-4-7 4860 Humboldt mouth of Strawberry Creek, Dow's Prairie, Northern Coast Ranges Strawberry Creek; Northern Coast Ranges, , Dow's Prairie 6 Comment
  HSC38860  Sanicula bipinnatifida J. P. Smith, J. O. Sawyer 1973-5-12 6677 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC23090  Sanicula crassicaulis D. E. Anderson 1965-5-1 3563 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  HSC74740  Sanicula crassicaulis Gail Newton 1981-8-5 2361 Humboldt Near Bug Creek, E Fork. 820 Comment
  JEPS282  Sanicula crassicaulis Joseph P. Tracy 1927-5-8 7968 Humboldt facing South Fork of Eel River (Phillipsville); Phillipsville 121 Comment
  UC1022531  Sanicula crassicaulis C. Ritchie Bell 1952-5-14 3 X458 Humboldt near Alton Railroad Station Comment
  JEPS993  Sanicula laciniata Joseph P. Tracy 1927-5-8 7961 Humboldt Miranda, along South Fork of Eel River South Fork Eel River; Miranda, South Fork Eel River 121 Comment
  CHSC60487  Sanicula tracyi Lisa D. Hoover 1992-6-16 Humboldt Six Rivers National Forest. East side of Whiting Ridge off Route 1 before 'Last Chance Ridge' approximately 27 miles off Hwy 299. 1267 Comment
  UC1197077  Sanicula tuberosa Joseph P. Tracy 1913-5-4 4064 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC314593  Sanicula tuberosa Joseph P. Tracy 1923-7-4 6528 Humboldt Northern Coast Ranges, Valley of South Yager Creek South Yager Creek; Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  UC1198885  Saxifraga aprica Joseph P. Tracy 1935-7-28 14313 Humboldt head of Devil's Hole (Trinity Summit); , Devil's Hole 1828 Comment
  UC1198884  Saxifraga marshallii Joseph P. Tracy 1924-4-27 6644 Humboldt Willow Creek Canyon, East Fork of Willow Creek Willow Creek Canyon; Northern Coast Ranges, , Willow Creek 457 Comment
  HSC101990  Saxifraga nidifica M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 889 Humboldt Patterson Meadows 1555 Comment
  HSC65984  Saxifragopsis fragarioides Gail Newton 1980-7-23 1751 Humboldt Near Packsaddle Ridge 1463 Comment
  UC642324  Scandix pecten-veneris Joseph P. Tracy 1927-4-24 7926 Humboldt Eureka 15 Comment
  UCD65995  Schedonorus arundinaceus Linda M. Barker 1976-6-1 1566 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC36132  Schoenoplectus americanus Rod Blacker 1974-5-15 741505 .5 Humboldt Near margin of Humboldt Bay at Arcata oxidation pond Comment
  CHSC92413  Schoenoplectus mucronatus Gordon Leppig 2004-9-1 2196 Humboldt Eel River at Holmes Flat. Gravel bar on east edge of river. UTM Zone 10, 420903E, 447244N. 400 Comment
  JEPS95079  Schoenoplectus pungens var. badius Vernon Oswald and Lowell Ahart 1997-9-4 8848 Humboldt Big Lagoon County Park, at sw edge of Big Lagoon, entering lagoon at boat ramp Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  CAS-BOT-BC111699  Schoenoplectus pungens var. badius A. A. Heller 1924-7-21 13868 Humboldt Plentiful in a drier part of a salt marsh at Eureka. Comment
  UC1100779  Scirpus cernuus Malcolm A. Nobs, S. Galen Smith 1949-8-11 1347 Humboldt marshes on eastern side Big Lagoon; marshes on eastern side Big Lagoon Comment
  CDA39124  Scirpus maritimus Gordon Leppig 1999-10-25 1268 Humboldt State Hwy 101, mile marker 61.40 Comment
  UC175798  Scutellaria antirrhinoides Joseph P. Tracy 1912-7-26 3842 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS62895  Scutellaria californica Lincoln Constance 1934-6-27 936 Humboldt on s side of Eel River (near it's junction with the South Fork, at end of railroad bridge, 1/2 mi nw of South Fork P.O and R. R. Station); Bull Creek Region, Eel River Comment
  HSC74194  Sedum laxum subsp. heckneri M. A. Baker 1980-7-24 3198 Humboldt Near Orleans Mtn. 1625 Comment
  HSC76354  Sedum laxum subsp. heckneri Denis Kearns 1981-6-24 32 Humboldt Near Cedar Camp 1219 Comment
  JEPS25709  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-21 2013 Humboldt 4.3 mi s Berry Summit (Mammoth Point Parking area, Horse Mountain, ski area side road); Horse Mountain, Mammoth Point Parking area, s of Berry Summi Comment
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Aug 17 2011
  UC667081  Sedum laxum subsp. heckneri Joseph P. Tracy 1935-7-30 14363 Humboldt Salmon Summit 1767 Comment
  UC967446  Sedum radiatum Reid Moran 1951-6-13 3485 Humboldt w slope Buck Mountain; w slope Buck Mountain 853 Comment
  JEPS25690  Sedum spathulifolium P. C. Hutchison 1961-5-22 2020 Humboldt 5.4 mi ne of Klamath River bridge at Weitchpec (10 mi sw of Orleans, Hiway US299, w side of Klamath River on steep rocks above road); w side Klamath River, ne Weitchpec, sw Orleans Comment
  CAS-BOT-BC59111  Sedum spathulifolium subsp. pruinosum Ira L. Wiggins 1932-6-18 5878 Humboldt Mouth of Little River. Comment
  HSC92016  Sedum spathulifolium var. pruinosum E. Mackey 1987-9-7 Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC364012  Senecio integerrimus var. major Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC57618  Senecio integerrimus var. major G. L. Clifton, Griswold 1979-7-25 10743 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC98548  Senecio integerrimus var. major Cara Witte 2008-6-9 696 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  UC128740  Senecio integerrimus var. major Joseph Burtt Davy and Walter C. Blasdale 1899-6-22 5846 Humboldt Trinity Summit Comment
  UC1223149  Senecio integerrimus var. major Joseph P. Tracy 1946-5-19 17537 Humboldt near Ashland Butte; Kneeland Prairie 762 Comment
  RSA167391  Senecio triangularis Joseph P. Tracy 1950-7-31 19241 Humboldt Northeast side of top of Grouse Mountain. 1524 Comment
  HSC6131  Senecio vulgaris H. E. Parks, S. T. Parks Jun 1943 24234 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC90383  Senecio vulgaris Jean Hanson 1980-4-12 48 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  JEPS48274  Sequoia sempervirens Willis Corbitt 1931-4-8 Humboldt Scotia Comment
  MACF022873  Sequoia sempervirens Trudy R. Ericson 1978-9-3 964 Humboldt 3 mi. east of Carlotta on St. 36 60 Comment
  RSA1501  Sequoia sempervirens E. R. Johnson 1929-08 1436 Humboldt Pacific Lumber Co., along the Eel River, Dyerville Comment
  SDSU2036  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D St. Acarta. 55 Comment
  SEINET3141794  Sequoia sempervirens A. L. Reina G., T. R. Van Devender 2001-12-25 2001 -1044 Humboldt 3.2 km S of Red Creston Alt. CA 101, Humboldt Redwoods State Park Comment
  SEINET5716899 Image available Sequoia sempervirens Ronald J. Mastrogiuseppe 1965-1 s.n. Humboldt Humboldt Redwoods State Park; near the Founders Tree.; Humboldt Redwoods State Park Comment
  UC526852  Setaria viridis Joseph P. Tracy 1934-8-18 13589 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  HSC19856  Sherardia arvensis F. B. Plett 1963-4-27 37 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  POM203228  Sherardia arvensis M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. 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-BC205567  Sidalcea malachroides Doris K. Kildale 1926-5-16 1837 Humboldt Horse Mountain cut-off 792 Comment
  UC18696  Sidalcea malachroides J. Burtt Davy 1899-6-13 5482 Humboldt Englewood Prairie North Coast Ranges, Englewood Prairie Comment
  HSC35615  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2111 Humboldt Whiting Spring Comment
  UC146164  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1908-6 2813 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 457 Comment
  HSC56366  Sidalcea malviflora subsp. nana Griswold, Butler 1979-7-10 6218 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC75946  Sidalcea malviflora subsp. nana Overton, Butler 1979-7-24 9725 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CDA38659  Silene californica B. Villegas/D. Juliano 2010-6-17 PDR# 1535021 -C Humboldt Alderpoint: Garberville - Alderpoint Rd. 0 Comment
  HSC74495  Silene campanulata subsp. glandulosa M. A. Baker 1980-7-24 3210 Humboldt Near Orleans Mtn. 1625 Comment
  UC302999  Silene campanulata subsp. glandulosa Joseph P. Tracy 1926-6-20 7623 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  JEPS51213  Silene grayi Joseph P. Tracy 1935-7-28 14319 Humboldt head of Devil's Hole Trinity Summit, head of Devil's Hole 1828 Comment
  UC427880  Silene hookeri H. E. Parks, J. P. Tracy 1930-5-25 791 Humboldt Laribee Valley 792 Comment
  CAS-BOT-BC181243  Silene hookeri subsp. bolanderi Tom Jimerson 1983-5-26 s.n. Humboldt Lower Trinity Road, roadside cutbank on the road to Brush Mountain Lookout off Friday Ridge Rd. - Six Rivers National Forest Comment
  HSC70825  Silene laciniata subsp. californica M. A. Baker 1980-6-7 1819 Humboldt Near Ammon Creek 115 Comment
  HSC102046  Silene lemmonii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 949 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  JEPS23254  Silene lemmonii Joseph P. Tracy 1933-7-25 12870 Humboldt Grouse Mountain 1524 Comment
  UC161208  Silene menziesii Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pom Comment
  RSA21205  Silene scouleri var. scouleri C. B. Wolf 1937-8-10 9094 Humboldt Big Lagoon, so. side, w. side of Redwood Highway 6 Comment
  UC1198282  Sinapis arvensis J. P. Tracy 1906-6-20 2494 Humboldt immediate vicinity of Eureka 0 Comment
  HSC70925  Sisymbrium altissimum R. York 1980-5-18 576 Humboldt Near Black Mtn 792 Comment
  UC1198794  Sisymbrium officinale Joseph P. Tracy 1904-7-24 2125 Humboldt immediate vicinity of Eureka 0 Comment
  POM299501  Sisyrinchium bellum C. C. Harris, S. K. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge 33 Comment
  UC1409181  Sisyrinchium californicum Robert F. Thorne and P. Everett 35177 Humboldt at s end of Big Lagoon 1 Comment
  HSC89464  Solanum americanum P. A. Daly 1986-2-23 52 Humboldt Along trails at Trinidad Head 6 Comment
  JEPS12065  Solanum furcatum Joseph P. Tracy 1940-10-5 16749 Humboldt Trinidad, near boat landing Trinidad 9 Comment
  RSA337440  Solanum laciniatum Robert F. Thorne, Percy C. Everett 1965-8-5 35160 Humboldt Samoa Dunes. 3 Comment
  POM237410  Solidago canadensis subsp. elongata H. E. Parks, S. T. Parks 1937-09 24081 Humboldt Spruce Cove, Trinidad. 64 Comment
  RSA47125  Solidago canadensis subsp. elongata Doris K. Kildale 1928-8-17 1211 Humboldt Trinity Summit 1829 Comment
  HSC57941  Solidago elongata G. L. Clifton, Griswold 1979-7-31 11610 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC49092  Solidago spathulata Patricia Shesgreen 1978-8-12 137 Humboldt Along Hwy. 255, 1/4 mi. S of Samoa Bridge, Samoa Comment
  SD117466  Solidago spathulata Robert F. Thorne 1974-7-29 45070 Humboldt Samoa Dunes Comment
  SEINET3896347  Solidago spathulata Thomas Nelson 1971-11-11 598 Humboldt At the foot of Murray Rd. McKinleyville.; 0 Comment
  SEINET5506402 Image available Solidago spathulata S. K. Harris 1939-1 s.n. Humboldt Samoa Comment
  UC164790  Sonchus asper J. P. Tracy 1903-8-2 1925 Humboldt immediate vicinity Eureka 0 Comment
  BLMAR314  Sparganium emersum Jennifer Anthony-Wheeler 2002-8-9 314 Humboldt Lost Coast Headland, growing along edge of middle pond 121 Comment
  HSC89909  Sparganium eurycarpum Leonel Arguello 1989-7-14 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. Comment
  CAS-BOT-BC235372  Spartina densiflora Malcom A. Nobs; S. Galen Smith 1949-8-3 1180 Humboldt Near mouth of the Elk River, ca. 4 miles south of Eureka on Highway 101 Comment
  UCD92968  Spartina densiflora Phyllis Faber 1983-11-11 s.n. Humboldt Humboldt Bay, Arcata. Comment
  CAS-BOT-BC389919  Spergula arvensis John H. Thomas 1966-3-19 11488 Humboldt Southern end of Big Lagoon, just inland from the coast between Eureka and Crescent City. Alt. above sea level Comment
  CAS-BOT-BC389921  Spergula arvensis Robert F. Thorne; P. Everett 1965-8-8 35265 Humboldt N edge of Eureka, E of Hwy. 101 4 Comment
  HSC79184  Spergula arvensis L. P. Janeway 1984-2-6 711 Humboldt .25 mi. up Hidden Creek Rd. from LK Wood Blvd. 46 Comment
  HSC79380  Spergularia salina Kenneth Clark 1980-5-10 658 Humboldt Above mean high tide on S and E facing bluffs 5 Comment
  CAS-BOT-BC149616  Spiraea douglasii H. E. McMinn 1922-7-1 289 Humboldt North of Scotia Comment
  UCD114053  Spiraea douglasii Malcolm 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
  HSC40375  Spiranthes romanzoffiana Linda M. Barker 1976-9-3 1695 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC666995  Spiranthes romanzoffiana Joseph P. Tracy 1937-8-12 15640 Humboldt Snow Camp 1402 Comment
  HSC100152  Spirodela punctata M. A. Ericksen 1979-5-29 308 Humboldt Northern-most of Clam Beach ponds Comment
  PASA1130  Stachys ajugoides Frank W. Peirson 1932-7-7 Humboldt Near Willow Creek Comment
  UC1239732  Stachys ajugoides var. rigida Joseph P. Tracy 1935-7-25 14243 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  UCLA71137  Stachys ajugoides var. rigida H. L. Mason 1932-7-21 7103 Humboldt Big Lagoon Comment
  UCLA71146  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-8 14874 Humboldt Trinidad 3 Comment
  UC726575  Stachys ajugoides var. rigida A. A. Heller 1937-6-11 15919 Humboldt between Bishop Pine Lodge and Big Lagoon (along U. S. Highway #101) Comment
  UCLA71123  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Little River Beach State Park Comment
  UC552241  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  UCLA71491  Stachys arvensis L. W. Smith 1934-11-14 Humboldt Arcata Comment
  HSC14406  Stachys arvensis William J. Ferlatte 1963-5-5 33 Humboldt Near 11th and B St. Arcata Comment
  POM283279  Stachys bullata Lyman Benson 1928-7-10 s.n. Humboldt Fortuna , Seaward N Coast, Mouth of Eel River. 46 Comment
  HSC89498  Stachys chamissonis P. A. Daly 1984-5-6 2 Humboldt Trinidad Head 61 Comment
  POM283395  Stachys chamissonis Lyman Benson 1928-7-10 s.n. Humboldt Clam Beach, 8 mi. S. of Trinidad. 15 Comment
  HSC25930  Stachys mexicana Thomas W. Nelson 1970-10-30 310 Humboldt S of Education Building on HSC campus Comment
  RSA20845  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8885 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  UCR30858  Stachys rigida var. quercetorum A. C. Sanders 1981-8-6 2310 Humboldt Russ Park, City of Ferndale 46 Comment
  SD93012  Stachys rigida var. quercetorum W. Bertsch 1953-7-30 233 Humboldt Highway 101, 5 miles north of Arcata. Comment
  SD61050  Stachys rigida var. rigida Darley F. Howe 1964-8-7 3943 Humboldt 8.2 miles from Highway 96 on Mill Creek Road. Hoopa Valley. 1067 Comment
  CAS-BOT-BC175346  Stellaria borealis subsp. sitchana Joseph P. Tracy 1900-5-22 795 Humboldt At Eureka 60 Comment
  UC162364  Stellaria borealis subsp. sitchana Joseph P. Tracy 1908-6 2884 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  SEINET200613  Stellaria borealis subsp. sitchana Joseph P. Tracy 27 Jun - 30 Jul 1908 2884 Humboldt Valley of Van Duzen River, opposite Buck Mountain. 762 Comment
  HSC4283  Stellaria crispa D. E. Anderson 1962-3-31 1963 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  HSC4276  Stellaria media D. B. Bader 1963-2-17 32 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  UC1198283  Stellaria media Joseph P. Tracy 1923-4-15 6185 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  UC1103550  Stellaria nitens Joseph P. Tracy 1927-6-12 8147 Humboldt Horse Mountain 1432 Comment
  HSC40608  Stipa lemmonii Thomas W. Nelson 1976-6-14 2702 Humboldt S of Lassic Peak (Signal Peak) 1646 Comment
  HSC70964  Stipa lemmonii Gail Newton 1980-7-15 1584 Humboldt Near Sims Mtn. 1311 Comment
  HSC96939  Stipa lemmonii Ryoko Ito, Shauna McDonald 2007-6-11 4 Humboldt 14.1 mi. above Hwy. 299 1372 Comment
  RSA43850  Streptanthus tortuosus H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  UC161577  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy July 1908 2764 Humboldt ridge between Van Duzen and Mad Rivers near Low Gap; Northern Coast Ranges 914 Comment
  HSC57893  Streptanthus tortuosus var. tortuosus Walter Overton, Marvin Butler 1979-7-31 11468 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC58219  Streptopus amplexifolius Walter Overton 1979-8-1 12357 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC17760  Stuckenia pectinata Rollin Sparrowe 1962-5-16 25 Humboldt S of road Comment
  HSC39184  Symphoricarpos albus var. laevigatus D. E. Anderson, J. P. Smith 1971-6-28 - 1216 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC40856  Symphoricarpos mollis Thomas W. Nelson 1976-7-9 2991 Humboldt Along ridge S of E peak of Mtn. Lassic group, (Signal Pk.). 1707 Comment
  HSC58801  Symphyotrichum bracteolatum G. L. Clifton, Griswold 1979-7-31 11611 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  CAS-BOT-BC99165  Symphyotrichum chilense Carl B. Wolf 1927-8-29 1201 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  HSC5048  Symphyotrichum chilense Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC59669  Symphyotrichum chilense George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 5 Comment
  UC186451  Symphyotrichum chilense Joseph P. Tracy 1915-9-12 4672 Humboldt Laribee Creek (mouth of) Northern Coast Ranges 91 Comment
  UCD136539  Symphyotrichum chilense Collector unknown Date unknown s.n. Humboldt exact location unknown. Comment
  CAS-BOT-BC99006  Symphyotrichum eatonii Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  JEPS40848  Symphyotrichum hendersonii Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  UC581687  Symphyotrichum hendersonii Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  JEPS26263  Synthyris reniformis Joseph P. Tracy 1924-2-10 6601 Humboldt Bald Mountain at Hungry Hollow; Bald Mountain 762 Comment
  HSC21155  Synthyris reniformis D. E. Anderson 1962-2-10 1917 Humboldt 0.5 mi. E of Big Lagoon Elementary School along abandoned stretch of Hwy. 101 Comment
  JEPS26262  Synthyris reniformis Joseph P. Tracy 1939-3-19 16205 Humboldt by old Strong's District School House, 5 mi e of town Carlotta 45 Comment
  UC532542  Synthyris reniformis Joseph P. Tracy 1924-3-9 6616 Humboldt Lawrence Creek, at crossing of the Kneeland Road; Lawrence Creek 457 Comment
  CAS-BOT-BC376735  Tanacetum bipinnatum J. P. Tracy 1909-7-18 3020 Humboldt Hills of Ocean Beach at Samoa, opp. Eureka Comment
  CAS-BOT-BC376733  Tanacetum bipinnatum A. A. Heller 1924-7-23 13875 Humboldt Along the beach at the mouth of Little River near Trinidad Comment
  UCSB6705  Tanacetum bipinnatum Keator, Glenn 1958-6-28 Humboldt At Little River along the northern coast of Humboldt county Comment
  UC727173  Tanacetum camphoratum A. A. Heller 1924-7-23 13875 Humboldt Little River Comment
Read comments
Sep 29 2006
  UC581790  Tanacetum vulgare Joseph P. Tracy 1929-10-1 8675 Humboldt Eureka 15 Comment
  RSA167250  Taraxacum laevigatum Joseph P. Tracy 1951-6-24 19542 Humboldt Ashfield Ridge 762 Comment
Read comments
Aug 15 2009
  HSC32945  Tauschia kelloggii Thomas W. Nelson, James Nelson 1973-5-28 956 Humboldt McKeown Ranch N of Dinsmore Comment
  RSA254744  Tauschia kelloggii Thomas W. Nelson, James Nelson 1973-5-28 956 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC13714  Taxus brevifolia Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  UC275507  Taxus brevifolia Joseph P. Tracy 1924-9-7 6862 Humboldt Grizzly Creek on the Van Duzen River Northern Coast Ranges, Van Duzen River, Grizzly Creek (shady places on river bottoms) 91 Comment
  UC666679  Taxus brevifolia H. S. Reed 1938-7-27 192 Humboldt e fork Willow Creek Comment
  HSC99434  Tellima grandiflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 83 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC63223  Tellima grandiflora M. A. Baker 1978-5-6 511 Humboldt 2 km. S of Weitchpec Comment
  UC162828  Thalictrum occidentale Joseph P. Tracy 1905-4-2 2154 Humboldt now Arcata; Northern Coast Region, region about Humboldt Bay 0 Comment
  RSA167423  Thalictrum polycarpum Joseph P. Tracy 1950-7-25 18879 Humboldt Humboldt County: Burr Valley, NW slope of Buck Mtn, alt 3500ft 1067 Comment
  UC1225806  Thelypteris nevadensis Joseph P. Tracy 1948-9-5 18171 Humboldt Happy Camp Mt.; Trinity Summit Range 1219 Comment
  POM299149  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt Camp 21 , Hammond Lumber Company, Trinidad 152 Comment
  RSA134612  Thuja plicata 1959-10-25 23970 Humboldt 6.9 mi SW from Ferndale on old coast road to Capetown. 564 Comment
  UC11023  Thysanocarpus curvipes C. C. Marshall 1888-1 Humboldt Comment
  UC1197834  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1933-7-16 12781 Humboldt McKay Camp South Fork Mountain Comment
  UC302171  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1925-7-5 7181 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC30084  Tofieldia occidentalis subsp. occidentalis Mrs. M. H. Manning Aug 1899 Humboldt Comment
  HSC62637  Tolmiea diplomenziesii R. D. Zortman 1963-5-12 43 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  CAS-BOT-BC447611  Tolmiea menziesii J. P. Tracy 1900-5-30 832 Humboldt Immediate vicinity of Eureka 152 Comment
  RSA80427  Tonella tenella Margaret Stason 1938-4-14 12410 Humboldt Few miles east of Arcata on Weaverville Road. Comment
  UCR3543  Torilis arvensis David Whistler, H. M. Whistler 1964-7-29 640729- 3 Humboldt North Coast Range, US 101, [South Fork Eel River] across the street from Myers Flat Store 63 Comment
  HSC45069  Torilis arvensis R. Sutherland 1978-5-16 7 .16578 Humboldt 155 Comment
  HSC45070  Torilis arvensis R. Sutherland 1978-5-16 2 .16578 Humboldt Redwood Creek 143 Comment
  HSC89584  Torilis arvensis M. Roantree 1985-5-30 67 Humboldt West side of Trinidad Head Comment
  UC1197331  Torilis arvensis subsp. arvensis Joseph P. Tracy 1940-8-3 16692 Humboldt Cathey Ranch near Miranda 30 Comment
  UCD93230  Torreyochloa pallida var. pauciflora Joseph P. Tracy 1940-10-5 16742 Humboldt mouth of Little River. 3 Comment
  SEINET7295169 Image available Torreyochloa pallida var. pauciflora Joseph P. Tracy 1940-1 16742 Humboldt Mouth of Little River 3 Comment
  HSC63227  Toxicodendron diversilobum M. A. Baker 1978-6-6 465 Humboldt Weitchpec Comment
  HSC27392  Trichostema lanceolatum Thomas W. Nelson 1970-9-3 210 Humboldt Mad River. Comment
  HSC32534  Trichostema laxum Thomas W. Nelson 1973-9-3 1128 Humboldt McKeown Ranch N of Dinsmore, rocky alluvium along Mad River Comment
  HSC97554  Trientalis borealis subsp. latifolia Cara Witte 2007-6-1 168 Humboldt Horse Mountain Botanical Area. Along Forest Service Road 6N38. 1382 Comment
  HSC95824  Trientalis latifolia Kevin Thomas 2004-4-26 16 Humboldt Jacoby Creek Rd. Comment
  RSA239714  Trientalis latifolia Larry E. DeBuhr 1973-4-23 985 Humboldt Richardson Grove Redwood State Park. 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
  BLMAR260  Trifolium Jennifer Anthony-Wheeler 1998-4-22 260 Humboldt King range, strawberry rock grazing allotment 280 Comment
  UC1103434  Trifolium barbigerum Joseph P. Tracy 1912-5-12 3635 Humboldt Eureka Northern Coast Ranges Comment
  UC1197497  Trifolium barbigerum J. P. Tracy 1911-6-25 3260 Humboldt immediate vicinity Eureka (near Bucksport) 0 Comment
  UC165525  Trifolium barbigerum Harley P. Chandler May, 1901 1129 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC495700  Trifolium barbigerum Joseph P. Tracy 1932-5-17 10066 Humboldt Berry's North Coast Ranges, Redwood Cree 274 Comment
  UC1223501  Trifolium bifidum var. decipiens Joseph P. Tracy 1950-6-8 18744 Humboldt 1 mi e Cape Mendocino (Cape Ridge, roadside near top of ridge) 152 Comment
  UC1223467  Trifolium dubium Joseph P. Tracy 1939-4-29 16261 Humboldt Orleans 121 Comment
  UC1542872  Trifolium dubium Harold E. Parks May 1934 4324 Humboldt Spruce Cove Trinidad Comment
  UCD108882  Trifolium dubium W. A. Williams 1951-6-14 s.n. Humboldt 3 miles E of Hydesville, Bech Ranch swale. Comment
  HSC48612  Trifolium fucatum Mark Flippo 1978-5-18 61 Humboldt Hwy. 101 N jct. with Giuntoli Lane Comment
  SEINET12147901  Trifolium fucatum var. virescens J. P. Tracy 1950-1 18747 Humboldt Cape Ridge, 1 mi E of Cape Mendocino 152 Comment
  CDA4343  Trifolium glomeratum E. C. Whitney 1977-6-23 Humboldt Loop Road, Fortuna. 0 Comment
  HSC58651  Trifolium longipes G. L. Clifton, Griswold 1979-7-31 11709 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC302112  Trifolium longipes var. oreganum Joseph P. Tracy 1926-6-20 7608 Humboldt Horse Mtn North Coast Ranges Comment
  UC495662  Trifolium macraei Joseph P. Tracy 1932-5-10 9935 Humboldt Bear River edge Northern Coast Ranges 609 Comment
  UC1197232  Trifolium macraei Joseph P. Tracy 1923-6-18 6281 Humboldt near Mazeppa Ranch (Bear River Ridge); Northern Coast Ranges 30 Comment
  UC1197233  Trifolium macraei Joseph P. Tracy 1923-5-19 6209 Humboldt near Trinidad; Northern Coast Ranges 15 Comment
  UC162843  Trifolium macraei J. P. Tracy 1900-6-5 843 Humboldt vicinity Eureka (Bucksport) 0 Comment
  HSC35028  Trifolium microcephalum Thomas W. Nelson, Jane P. Nelson 1975-5-24 1846 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC100537  Trifolium microcephalum Carl C. Marshall May 1886 235 Humboldt Near Trinidad. Comment
  HSC25987  Trifolium obtusiflorum Thomas W. Nelson 1970-9-3 219 Humboldt Mad River. Comment
  HSC28188  Trifolium pratense Richard Curtis 1973-9-27 21 Humboldt Bayside cutoff between Eureka and Arcata. Comment
  HSC32427  Trifolium subterraneum Linda M. Barker 1974-5-11 175 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  UC1223535  Trifolium variegatum var. melananthum Joseph P. Tracy 1936-6-9 14890 Humboldt 1 mi e Cape Mendocino (Cape Ridge, back of cape) 243 Comment
  UC160946  Trifolium variegatum var. melananthum J. P. Tracy 1900-5-22 820 Humboldt Eureka vicinity 0 Comment
  HSC15177  Trifolium willdenovii D. E. Anderson 1965-5-8 3643 Humboldt About 2 mi. N of Willow Creek on the road running along E side of Trinity River Comment
  HSC31739  Trifolium willdenovii Donald Spalinger 1974-5-12 57 Humboldt Williams Ridge Rd., 1 mi. N from junction with Bald Hills Rd. 732 Comment
  BLMAR259  Trifolium wormskioldii Jennifer Anthony-Wheeler 1998-4-22 259 Humboldt King range, strawberry rock grazing allotment 280 Comment
  HSC2149  Trifolium wormskioldii J. P. Tracy 1926-7-25 7750 Humboldt Big Lagoon Comment
  UC631060  Trifolium wormskioldii Joseph P. Tracy 1911-6-25 3246 Humboldt Eureka Northern Coast Ranges 0 Comment
  BLMAR610  Trifolium wormskioldii Jennifer Anthony-Wheeler 2011-4-21 610 Humboldt King range, Above Smith gulch, on Strawberry Rock. KRSR0004 243 Comment
  RSA167422  Trifolium wormskioldii Joseph P. Tracy 1938-6-12 16056 Humboldt Fields Landing. Moist flats along edges of foothills, 2 miles south of town. 6 Comment
  UC1222703  Trifolium wormskioldii Joseph P. Tracy 1938-7-12 16056 Humboldt near Field's Landing (w end of Table Bluff) 548 Comment
  SEINET10862710  Trifolium wormskioldii var. wormskioldii A. Arthur Heller 1924-7-23 Heller 13876 Humboldt Wet soil in a ditch along the road leading to the lighthouse on Trinidad Head. Comment
  HSC82963  Triglochin concinna A. L. Eicher 1986-5-10 Humboldt Bordering Humboldt Bay, 0.3 mi. S of the jct. of Samoa Blvd. and Vance Ave. 1 Comment
  HSC23091  Triglochin maritima Norman Dennis 1965-6-8 101 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  HSC89895  Triglochin maritima Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  RSA249527  Triglochin maritima Robert F. Thorne, Percy C. Everett 1965-8-7 35214 Humboldt Samoa Peninsula: near sea level Comment
  UC1130595  Triglochin maritima H. S. Yates 1936-6-23 5860 Humboldt 1 mi w Bayside; Eureka Quadrangle Comment
  HSC14169  Triglochin maritima D. E. Anderson 1961-9-3 1779 Humboldt Along Hwy. 101 Comment
  UC1197811  Trillium angustipetalum Mrs. Jennie Worthington 1931-3-22 Humboldt Weitchpec 121 Comment
  HSC96775  Trillium kurabayashii M. Mesler 2006-6-6 609 Humboldt 1.2 mi. SE of intersection of USFS Rd. 8N01 and Box Camp loop 1524 Comment
  HSC57025  Trillium ovatum Overton, Butler 1979-7-24 9646 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  RSA24327  Trillium ovatum Carl B. Wolf 1941-2-28 9972 Humboldt 1.3 miles east of Redwood Creek Bridge. On the Blue Lake to Willow Creek Road. 244 Comment
  UC175281  Trillium ovatum Joseph P. Tracy 1913-6-26 4350 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen R., Dinsmore's Ra 762 Comment
  SEINET3821241 Image available Triodanis perfoliata Joseph P. Tracy 1908-7-1 2912 Humboldt Ridge between Van Duzen and Mad Rivers Comment
  UC146241  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1906-6-10 2477 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC146240  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1904-5-1 2040 Humboldt region about Humboldt Bay at Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  JEPS10422  Triphysaria eriantha subsp. rosea Joseph P. Tracy 1941-4-3 Humboldt Samoa , Samoa (Humboldt Bay) Comment
  HSC20866  Triphysaria versicolor subsp. faucibarbata Francis Winter 1960-5-6 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  UC902249  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17467 Humboldt Eureka 6 Comment
  UC1146668  Trisetum canescens Freed W. Hoffman 1949-7-15 3012 Humboldt e slope Mule Slide (Mt. Lassic area, a little s of Blue Ridge); North Coast Ranges, Mt. Lassic area Comment
  UC187232  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point Eel River (on Eel River) 152 Comment
  HSC13419  Trisetum cernuum R. D. Modafferi 1965-5-13 99 Humboldt 2.2 mi. N of Trinidad on Trinity St. 305 Comment
  HSC33515  Trisetum cernuum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5713 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC58671  Trisetum cernuum Gilbert Muth 1979-8-1 12147 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC1197724  Triteleia bridgesii Joseph P. Tracy 1925-6-7 7066 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  HSC98615  Triteleia hyacinthina Cara Witte 2008-8-6 1011 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  JEPS559  Triteleia hyacinthina Joseph P. Tracy 1937-7-19 15451 Humboldt nw slope Buck Mountain (lower foothills) 762 Comment
  UC15024  Triteleia hyacinthina Joseph Burtt Davy 1899-6-13 5491 Humboldt Camp Grant to Pepperwood Comment
  HSC38485  Triteleia laxa D. E. Anderson, J. P. Smith 1971-6-18 - 1065 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  SBBG896  Triteleia laxa K. K. Muller 1954-6-21 631 Humboldt Olsen Crk, 2 mi ENE of Mad River Comment
  HSC3050  Triteleia laxa William J. Ferlatte, B. D. Rogers 1966-6-8 2086 Humboldt Forest Glen Campground. Comment
  UC1222687  Triteleia laxa Joseph P. Tracy 1950-6-8 18755 Humboldt windswept flat s Cape Mendocino; Davis Creek Mouth Comment
  UC144101  Triteleia laxa Joseph P. Tracy 1909-7-31 3035 Humboldt Knneland Prairie Northern Coast Ranges 762 Comment
  HSC13439  Triticum aestivum L. M. Malloy 1965-5-20 30 Humboldt Old county dump, 5 mi. from Arcata on Fickle Hill Rd. Comment
  CAS-BOT-BC85897  Tsuga heterophylla Doris K. Kildale 1927-4-10 3078 Humboldt Prairie Creek in deep woods Comment
  SEINET11092948  Turritis glabra Unknown 1906-5-13 2456 Humboldt Plants of Northern Coast Region of California SAND DUNES OF OCEAN BEACH AT HUMBOLDT BAY Comment
  POM106056  Urtica dioica subsp. holosericea Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1222619  Urtica dioica subsp. holosericea Joseph P. Tracy 1950-9-22 19369 Humboldt 8 mi below Orleans (near Slate Creek, Klamath River); Klamath River 121 Comment
  HSC49505  Utricularia macrorhiza R. York 1979-4-13 225 Humboldt Behind grammar school in Fieldbrook. Comment
  CAS-BOT-BC193962  Vaccinium cespitosum Doris K. Kildale 1927-7-10 3725 Humboldt Gans Prairie, Bald Hills 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
  HSC7945  Vaccinium membranaceum J. P. Tracy 1936-8-7 15096 Humboldt Trinity Summit, head of Little Horse-Linto Creek 1372 Comment
  CAS-BOT-BC199320  Vaccinium ovatum Carl B. Wolf 1931-8-29 2369 Humboldt Near summit of Orick Hill on road to Weitchpec 304 Comment
  CAS-BOT-BC199326  Vaccinium ovatum H. E. Parks; S. T. Parks 1937-4-1 5638 Humboldt Spruce Cove, Trinidad Comment
  RSA66951  Vaccinium ovatum E. K. Balls 1951-5-4 16421 Humboldt Nelson Grove to Robinson Grove, Hwy 101, 20 mi. north of Garberville. Comment
  UC1173686  Vaccinium ovatum Joseph P. Tracy 1939-5-30 16304 Humboldt Dinsmore's, along Van Duzen River Van Duzen River 731 Comment
  UC1197766  Vaccinium ovatum Joseph P. Tracy 1924-5-4 6672 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  HSC41244  Vaccinium parvifolium Brad Klipfel 1974-5-27 386 Humboldt Horse Mountain Comment
  UC1121143  Vaccinium parvifolium A. E. Wieslander 1931-5-19 205 Humboldt Near Orleans; Klamath Forest, Hoopa Quad. Comment
  UCSC000556  Vaccinium parvifolium C. R. Clar 1930-7-14 99 Humboldt Hoopa, Supply Creek, Hoopa Indian Reservation 762 Comment
  UC213146  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1919-9-18 5246 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1524 Comment
  SEINET12335251  Valeriana sitchensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -313 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC56072  Valeriana sitchensis subsp. sitchensis G. L. Clifton, Griswold 1979-7-31 11741 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC76045  Vancouveria hexandra Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4.5 miles east of Orick. Comment
  UC527825  Vancouveria hexandra Ira L. Wiggins 1932-6-12 5865 Humboldt 2 mi e Bayside (bank of Jacoby Creek); bank of Jacoby Creek Comment
  CAS-BOT-BC76084  Vancouveria planipetala Doris K. Kildale 1926-6-27 2192 Humboldt Sweasey Lake, McClellan Mountain. 822 Comment
  HSC33418  Vancouveria planipetala Thomas W. Nelson 1974-5-30 1344 Humboldt Along Hoopa-Redwood Valley Rd. Comment
  HSC72636  Vancouveria planipetala J. P. Smith 1977-7-3 9247 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  HSC99440  Vancouveria planipetala K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 90 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SBBG46472  Vancouveria planipetala K. K. Muller 1954-6-21 635 Humboldt Olson Crk, 2 mi ENE of Mad River Comment
  CAS-BOT-BC528852  Veratrum californicum Doris K. Kildale 1927-7-1 3613 Humboldt Alton 20 Comment
  JEPS86091  Veratrum californicum var. californicum Wayne Roderick 1966-6-28 Humboldt 9 mi e Bridgeville 609 Comment
  HSC65843  Veratrum insolitum Gail Newton 1980-6-16 184 Humboldt Near Onion Mtn. 1280 Comment
  HSC59651  Veronica persica Michael Dalke 1979-4-1 11 Humboldt 0.1 mi. E of Hwy. 101, N Bank Rd. 12 Comment
  JEPS16498  Veronica scutellata Milo S. Baker 1923-8-3 173 Humboldt 6 mi n of Arcata; North Coast trip Comment
  HSC55299  Veronica serpyllifolia subsp. humifusa Terry Griswold, Marvin Butler 1979-7-10 6379 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC147902  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1909-5-2 2958 Humboldt immediate vicinity of Eureka 0 Comment
  HSC15258  Vicia americana var. americana J. P. Tracy 1935-5-26 13908 Humboldt Iaqua 610 Comment
  UC1222590  Vicia hirsuta Joseph P. Tracy 1944-6-10 17474 Humboldt Eureka Comment
  OBI12617  Vicia hirsuta Joseph P. Tracy 2016-5-31 4689 Humboldt Stitz Crk. Along Eel River from S Fork to Scotia Comment
  PASA271  Vicia sativa Frank W. Peirson 1926-7-13 Humboldt Mad River, vicinity of Blue Lake Comment
  HSC15256  Vicia sativa subsp. nigra J. R. Eichelberger 1964-5-3 41 Humboldt 2 mi. N of Fieldbrook Comment
  UC524122  Vicia villosa subsp. villosa Ira L. Wiggins 1932-7-7 5880 Humboldt near Samoa Comment
  HSC37957  Vinca major Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  POM118646  Viola adunca Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC44773  Viola adunca Thomas W. Nelson, Jane Nelson 1977-6-19 3499 Humboldt Bog northwest of pond above Alder Springs 1555 Comment
  HSC89496  Viola adunca var. adunca P. A. Daly 1984-5-8 12 Humboldt Trinidad Head 61 Comment
  HSC98827  Viola adunca var. adunca Cara Witte 2007-6-1 167 Humboldt Horse Mountain Botanical Area. Along Forest Service Road 6N38. 1382 Comment
  HSC33148  Viola cuneata Thomas W. Nelson, J. Cole, Brad Klipfel 1974-5-8 1244 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  UC1762591  Viola cuneata Harley P. Chandler Jun 1901 1297 - Humboldt Hupa Indian Reservation North Coast Ranges 609 Comment
  HSC102037  Viola glabella M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 940 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC21792  Viola glabella R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-28 1382 Humboldt S side of Prairie Creek State Park about 1/4 mi. W of Hwy. 101 Comment
  HSC49905  Viola glabella Maralyn O'Meara 1973-6-12 205 Humboldt Above Clear Lake Comment
  JEPS80007  Viola hallii Joseph P. Tracy 1927-6-12 8125 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  SEINET6942419  Viola hallii Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC96539  Viola macloskeyi Gordon Leppig 1998-5-11 761 Humboldt Big Lagoon County Park; Big Lagoon Bog 3 Comment
  UC1761429  Viola palustris Milo S. Baker 1923-8-23 445 b Humboldt 3 1/2 mi E of Eureka Comment
  RSA249436  Viola purpurea subsp. integrifolia D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5591 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  HSC36500  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1892 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  CHSC13610  Viola sempervirens Mark Johnson 1974-4-28 29 Humboldt 1 mi w of Lady Bird Johnson Grove, 4 mi ne of Orick. 167 Comment
  CHSC24861  Viola sempervirens W. A. Vaccaro 1976-4-4 1 Humboldt Population ca. 300 yds ne of intersection of Cedat St. and W. St., Cutten. 45 Comment
  CHSC94931  Viola sempervirens K. Lang; J. Lang 2005-3-16 50 Humboldt Trinidad, N. California coast. 51 Comment
  HSC34797  Viola sempervirens John Palmer 1975-4-9 299 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  UC1198427  Viola sempervirens Joseph P. Tracy 1921-3-20 5424 Humboldt Blue Slide on Van Duzen River; Northern Coast Region, , Blue Slide 91 Comment
  UC66213  Viola sempervirens Joseph Burtt Davy and Walter C. Blasdale 1899-5 5511 Humboldt Camp Grant to 2 mi from Pepperwood North; North Coast Ranges, Camp Grant Comment
  UCD111294  Viola sempervirens Joseph M. DiTomaso 1976-3-28 353 Humboldt Highway 299, W side of Lord Ellis Summit. 762 Comment
  UC1198432  Viola sheltonii Joseph P. Tracy 1942-6-23 17254 Humboldt near Water-dog Lakes (Trinity Summit); Trinity Summit 1828 Comment
  UC1103559  Viola sheltonii Joseph P. Tracy 1933-6-13 12586 Humboldt near summit of Hoopa Mountain (on road from Hoopa westward to Bair's) 1127 Comment
  HSC69872  Vulpia bromoides Thomas W. Nelson 1978-5-29 4094 Humboldt On McKeown Ranch N of Dinsmore. 762 Comment
  CAS-BOT-BC198762  Vulpia bromoides Doris K Niles 1950-6-1 5 Humboldt Island in Eel River, Niles field. Comment
  CHSC19486  Vulpia microstachys D. E. Anderson; J. O. Sawyer, J. P. Smith Jr. 1970-5-10 5056 Humboldt Along road from Redwood Creek to Hoopa, ca 1-3 miles west of Hoopa. Comment
  SEINET200356 Image available Vulpia microstachys var. pauciflora Joseph P. Tracy 1925-7-5 7170 Humboldt Bald Mountain; near High Prairie. 1067 Comment
  UC180481  Vulpia microstachys var. pauciflora Joseph P. Tracy 1914-5-14 4463 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  CAS-BOT-BC184161  Vulpia microstachys var. pauciflora L. S. Smith 1926-5-26 1837 Humboldt Tahoe National Forest. Last Chance Ridge Comment
  UC666826  Whipplea modesta Joseph P. Tracy 1937-7-2 15390 Humboldt Happy Camp Mountain Trinity Summit Range (ne of Hawkins Bar) 1280 Comment
  UC725983  Whipplea modesta A. A. Heller 1937-6-8 15894 Humboldt 3 mi n Trinidad; Bishop Pine Lodge Comment
  JEPS301  Woodwardia fimbriata W. L. Jepson 1932-7-30 16453 Humboldt bluff at Bull Creek Comment
  UC169296  Wyethia angustifolia Joseph P. Tracy 1912-7-21 3755 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC176305  Wyethia angustifolia Joseph P. Tracy 1913-6-20 4226 Humboldt lower foothills nw slope Buck Mountain; Northern Coast Ranges, nw slope lower foothills Buck Mt 762 Comment
  HSC93595  Wyethia longicaulis Gordon Leppig 1998-6-1 872 Humboldt Horse Mtn. Buck Flat, Titlow Hill Rd., at Ammon Ridge Rd. 1524 Comment
  HSC21901  Zannichellia palustris D. E. Anderson 1961-9-2 1760 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  UC302170  Zigadenus micranthus var. micranthus Joseph P. Tracy 1925-5-30 7041 Humboldt at summit leading to Laribee Valley; Northern Coast Ranges, McClellan Mountain 822 Comment



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