Search Results — 2000 specimen records retrieved (1333 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=HUMBOLDT; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC99822  Abies concolor T. Jimerson, J. Pageau 1979-8-10 715 Humboldt Near Tish Tang A Tang Ridge 1463 Comment
  CDA470  Abies grandis Mark Lubinski 2000-10-5 PDR# P 070106 Humboldt Blue Lake; along USFS Rd 1. 0 Comment
  HSC89414  Abies grandis P. A. Daly 1986-3-12 92 Humboldt Trinidad Head, along trail 61 Comment
  UCD134238  Abies grandis T. I. Storer 1931-7-1 2225 Humboldt Coast. Comment
  CAS-BOT-BC73483  Abies magnifica Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mts. 1828 Comment
  HSC76304  Abies magnifica Teresa Prendusi 1981-7-24 480 Humboldt Near Whiteys Peak 1585 Comment
  HSC62913  Abronia latifolia J. M. DiTomaso 1979-5-20 1062 Humboldt Little River State Beach 10 mi. N of Arcata Comment
  HSC90244  Abronia latifolia Jean Hanson 1980-5-24 56 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  HSC98194  Acacia decurrens Gary J. Stebbins 1970-3-3 16 Humboldt Along Maple Creek Rd. .5 mi. W of Maple Creek Bridge. Comment
  HSC37409  Acer circinatum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 504 Humboldt Along Lost Man Creek. 38 Comment
  UC535717  Acer macrophyllum Eleanor Armstrong 1934-7-21 1134 Humboldt Richardson Grove , along river, e bank (along river, e bank) 121 Comment
  HSC4548  Achillea millefolium R. I. Bonn 1965-4-3 15 Humboldt Four miles West of Arcata on Lanphere Rd. Comment
  HSC4572  Achillea millefolium Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC89470  Achillea millefolium P. A. Daly 1986-3-12 97 Humboldt Trinidad Head, along trail 61 Comment
  JEPS36916  Achillea millefolium Lincoln Constance 1934-5-29 716 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region, Upper Look Prairie 365 Comment
  CAS-BOT-BC28584  Achillea millefolium John Thomas Howell 1931-6-17 6718 Humboldt Mouth of Van Duzen River Comment
  HSC12754  Achillea millefolium M. J. Athey 1970-12-5 26 Humboldt Along old road to Trinidad Head, Trinidad Comment
  UC1565800  Achnatherum lemmonii R. Spellenberg 1990-7-10 10248 Humboldt 6 mi s on USFS 1 Berry Summit (on Calif. Hwy. 299) (8 mi wsw of Salyer) 1371 Comment
  HSC45024  Acmispon micranthus R. Sutherland 1978-4-23 18 .23478 Humboldt Near head of Kinsey (Fraser) Ridge 732 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
  HSC48684  Aconitum columbianum subsp. columbianum Brad Klipfel 1973-7-31 238 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC412602  Aconogonon alaskanum Volney Rattan No date on label s.n. Humboldt Bet. P.C. [Pilot Creek] & Trinity County Comment
  HSC54873  Aconogonon davisiae G. L. Clifton, Griswold 1979-7-25 10842 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UCD98796  Aconogonon phytolaccifolium P. B. Kennedy 1925-8-29 s.n. Humboldt Eureka. Comment
  HSC32122  Actaea rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5589 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC55739  Actaea rubra G. L. Clifton, Griswold 1979-7-26 10241 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC99390  Actaea rubra subsp. arguta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 39 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
  HSC58316  Adenocaulon bicolor Overton, Butler 1979-8-2 12604 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC29864  Adenocaulon bicolor Carl B. Wolf 1927-8-21 766 Humboldt In Stephen's Grove Comment
  HSC98889  Adenocaulon bicolor Cara Witte 2007-6-21 326 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  JEPS35159  Adiantum aleuticum Lincoln Constance 1934-6-1 776 Humboldt South Fork Eel River Comment
  HSC100384  Adiantum emarginatum Carl C. Marshall Jun 1887 429 Humboldt Jewett Creek. Comment
  CAS-BOT-BC65624  Adiantum jordanii Joseph P. Tracy 1895-9-1 6868 Humboldt near Pepperwood 30 Comment
  POM182456  Adiantum jordanii Joseph P. Tracy 1914-5-14 4427 Humboldt Hook Stream banks 122 Comment
  UC811115  Adiantum jordanii George Neville Jones 1936-3-22 8662 Humboldt s fork Eel River near Garberville Comment
  CAS-BOT-BC202609  Aesculus californica Joseph P. Tracy 1937-6-20 15357 Humboldt Bear River, ten miles up stream from the mouth 152 Comment
  SEINET3823281 Image available Aesculus californica Joseph P. Tracy 1921-10-22 5978 Humboldt Bridgeville 305 Comment
  UC1199009  Aesculus californica Joseph P. Tracy 1912-7-4 3727 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC709442  Aesculus californica Joseph P. Tracy 1941-6-15 16014 Humboldt Mattole Valley Northern Coast Ranges (hillside near Honeydew bridge) 152 Comment
  RSA0009548  Aesculus californica Marcus E. Jones 1931-7-12 28938 Humboldt Alton. Comment
  HSC54499  Agastache urticifolia G. L. Clifton, Griswold 1979-7-26 9358 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC32220  Agoseris grandiflora J. O. Sawyer 1970-6-24 2241 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  RSA167299  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt In fallow field at north end of town. Garberville. Comment
  UC582754  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1930-7-6 8842 Humboldt Kneeland Prairie Kneeland Prairie 762 Comment
  CAS-BOT-BC29625  Agoseris grandiflora var. grandiflora Henry M. Pollard 1927-7-3 3648 Humboldt Between Orleans and Van Fleet Ranch Comment
  UC582742  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1931-6-14 9579 Humboldt at Alton ((along Van Duzen River)); North Coast Ranges, Van Duzen River 30 Comment
  HSC32335  Agoseris retrorsa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5616 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC32336  Agoseris retrorsa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5646 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  CAS-BOT-BC127286  Agrostis exarata W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  UC1103383  Agrostis exarata Joseph P. Tracy 1936-6-28 15031 Humboldt borders of bog at Lake Prairie; Bald Mountain 1066 Comment
  UC1103386  Agrostis exarata Joseph P. Tracy 1934-7-21 13478 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC1145058  Agrostis exarata Joseph P. Tracy 1936-6-3 14849 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC552714  Agrostis exarata Joseph P. Tracy 1935-7-21 14113 Humboldt at Willow Creek (in open field); Trinity River Valley 152 Comment
  UCD52234  Agrostis exarata var. pacifica A. H. Murphy 1948-7-29 s.n. Humboldt Sherman Flat, 3.5 miles north of Blocksburg. Comment
  HSC58751  Agrostis gigantea Overton, Butler 1979-7-24 9619 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  CAS-BOT-BC139499  Agrostis hallii Gordon H. True 1965-9-25 2656 Humboldt Klamath River 1.5 mile east of Orleans. 213 Comment
  UCD52685  Agrostis hallii H. S. Yates 1936-6-18 5728 Humboldt Near mouth of Litter River. 4 Comment
  CHSC114091  Agrostis idahoensis Jennifer Buck; Danielle Roach 2009-8-19 SFM 06 C Humboldt Kerlin Fen, South Fork Mountain; UTM Zone 10N, 453899E, 4494304N. 1633 Comment
  HSC1799  Agrostis oregonensis William J. Ferlatte, B. D. Rogers 1966-8-15 3124 Humboldt 6 mi. E of Korbel; Cutoff Red wood Comment
  HSC49053  Agrostis pallens Thomas Nelson, Jane Nelson 1978-7-3 4414 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC40393  Agrostis stolonifera Thomas W. Nelson, James Nelson 1976-7-28 3046 Humboldt W of Alder Springs along 2S08 1555 Comment
  UC187294  Agrostis stolonifera Joseph P. Tracy 1909-7-11 3012 Humboldt Eureka Northern Coast Region 0 Comment
  UCD53466  Agrostis stolonifera P. B. Kennedy 1925-7-30 s.n. Humboldt Eureka. Comment
  HSC8861  Aira caryophyllea unknown May 1933 4003 Humboldt Spruce Cove, Trinidad Comment
  UC1103297  Aira caryophyllea Joseph P. Tracy 1923-6-24 6359 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UCD55700  Aira caryophyllea Joseph P. Tracy 1950-6-15 18814 Humboldt near Huestis Rock, on Harris Road, 6 miles southeast of Fruitland. 914 Comment
  CAS-BOT-BC138326  Aira caryophyllea var. caryophyllea H. E. Parks; S. T. Parks 1936-6-1 5850 Humboldt Spruce Cove, Trinidad. Comment
  UC34056  Aira praecox J. P. Tracy 1900-6-5 849 Humboldt Immediate vicinity of Eureka 0 Comment
  UCR37535  Alchemilla occidentalis L. P. Janeway 1983-5-1 255 Humboldt Northern Coast, North Spit (Samoa Peninsula). Sand dunes west of Samoa Rd and north of Coast Guard Station 6 Comment
  HSC98646  Allium amplectens Cara Witte 2007-6-7 233 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  CAS-BOT-BC462973  Allium bolanderi Harley P. Chandler 1901-6-1 1434 Humboldt Klamath River, North Coast Ranges 243 Comment
  HSC65901  Allium bolanderi var. bolanderi M. A. Baker 1980-6-26 2444 Humboldt Near Sims Creek 610 Comment
  HSC79066  Allium bolanderi var. bolanderi D. K. Imper 1984-6-6 Humboldt USFS Rd. 12N20 near Bald Mtn. Comment
  HSC103255  Allium campanulatum John McRae 2014-6-3 Humboldt Six Rivers National Forest, Black Lassic Quad, Mt. Lassic , Lassics Botanical and Geological Area. 1768 Comment
  HSC79065  Allium cratericola D. K. Imper 1984-5-17 Humboldt Sims Mountain 1280 Comment
  SEINET3884719  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-6-10 5418 Humboldt Blocksburg Quad. Along road to Red Mountain 0.5 miles west of junction with Swayback Ridge Road.; 0 1372 Comment
  UC1562908  Allium peninsulare Barbara Ertter with Thomas J. Delendick 1987-5-16 6920 Humboldt ca. 15 air mi e Arcata (ridge below vista, w of Berry Summit on Hwy. 299); Vista Point 914 Comment
  HSC78649  Allium validum D. K. Imper 1982-7-23 1480 Humboldt Near Onion Lake. 1371 Comment
  HSC58223  Alnus incana subsp. tenuifolia Walter Overton 1979-8-1 12366 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  CAS-BOT-BC170942  Alnus rhombifolia Doris K. Kildale 1925-8-13 1121 Humboldt Willow Creek near its mouth 152 Comment
  UC1197957  Alnus rhombifolia Joseph P. Tracy 1931-9-26 9699 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  CAS-BOT-BC169534  Alnus rubra Doris K. Kildale 1929-2-28 6946 Humboldt Arcata - State Teachers College Comment
  CAS-BOT-BC169545  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt Mattole River, near Petrolia 15 Comment
  HSC3436  Alnus rubra Doris K. Kildale 1926-7-18 2388 Humboldt Orick, Redwood Creek 9 Comment
  HSC62778  Alnus rubra M. Dean Griswold Jr. 1979-5-30 89 Humboldt Along rd. up Jolly Giant Creek Comment
  HSC8903  Alopecurus pratensis R. H. Berg 1963-4-11 24 Humboldt Arcata Bottoms, 2 mi. W of Arcata Comment
  RSA167288  Alopecurus saccatus Joseph P. Tracy 1951-6-21 19525 Humboldt back of the Everett Beck house (formerly George Gray) bed of former Goose Lake, Hydesville. Comment
  HSC2176  Ambrosia chamissonis H. E. Parks Aug 1941 24181 Humboldt Big Lagoon Comment
  HSC5657  Ambrosia chamissonis H. E. Parks Sep 1941 24214 Humboldt Mouth of Little River Comment
  CAS-BOT-BC13707  Ambrosia chamissonis A. A. Heller 1924-7-21 13869 Humboldt Salt marsh at Eureka Comment
  HSC70814  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-24 1778 Humboldt Near Somes Mtn. 1615 Comment
  JEPS44699 Image available Amelanchier alnifolia var. semiintegrifolia Lincoln Constance 1934-6-11 845 Humboldt n Dyerville Flat South Fork Eel River, Bull Creek Region (trail along e bank of South Fork Eel River) Comment
  UC14177  Amelanchier alnifolia var. semiintegrifolia W. C. Blasdale 1896-6-6 Humboldt Fitzgeralds Comment
  RSA183624  Amelanchier florida D. E. Anderson 1964-4-24 3541 Humboldt 0.5 mile from Hwy 299, on Titlow Hill road. Comment
  HSC41333  Amelanchier pallida Brad Klipfel 1974-9-17 570 Humboldt Horse Mtn. Comment
  CAS-BOT-BC143016  Amelanchier utahensis Doris K. Kildale 1928-4-29 5959 Humboldt Redwood Creek at Berry's Comment
  CDA18243  Ammophila arenaria G. D. Barbe, T. C. Fuller 1974-6-19 1881 Humboldt North Coast Ranges; Mad River mouth, beach S of river, at end of Iversen Lane, Tyee City. 7 Comment
  CAS-BOT-BC213954  Amsinckia H. E. Parks; J. P. Tracy 1930-5-25 881 Humboldt Near Bridgeville. Comment
  CAS-BOT-BC222304  Amsinckia douglasiana H. E. Parks 1933-3-1 4282 Humboldt Trinidad Comment
  HSC34951  Amsinckia intermedia Thomas W. Nelson 1975-5-24 1860 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA0090986  Amsinckia intermedia H. E. Parks, J. Tracy 1930-5-25 881 Humboldt Near Bridgeville. Comment
  UC1222278  Amsinckia intermedia Joseph P. Tracy 1948-5-31 18023 Humboldt 2 mi w of Bridgeville (roadside, at the big rock) Comment
  HSC12709  Anagallis arvensis Jana Kattenhorn 1970-10-28 147 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  HSC17831  Anagallis arvensis D. B. Bader 1963-3-1 7 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  HSC17837  Anagallis arvensis A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek Jct., 200 yards W of Lindsey Creek Comment
  CAS-BOT-BC45133  Anaphalis margaritacea Carl B. Wolf 1937-8-13 9212 Humboldt 9 miles NE of Blue Lake on Lord Ellis Road 243 Comment
  CAS-BOT-BC45140  Anaphalis margaritacea M. S. Taylor 1975-4-12 466 Humboldt Ca. 200 yards W of Hwy 101, by RR tracks, Orick Comment
  RSA416575  Anaphalis margaritacea C. B. Wolf 1937-8-13 9213 Humboldt North Coast Range, 9 miles NE of Blue Lake on Lord Ellis Road. 244 Comment
  UC1222882  Anaphalis margaritacea Joseph P. Tracy 1950-7-25 19070 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC37344  Anemone deltoidea Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 476 Humboldt Along Lost Man Creek. 38 Comment
  CHSC31275  Anemone oregana Mark Stopher 1980-5-20 71 Humboldt Along the Van Duzen River near Rte 36. Comment
  UC562611  Angelica arguta Joseph P. Tracy 1932-7-12 10443 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  UC673052  Angelica genuflexa Joseph P. Tracy 1940-9-26 16725 Humboldt Eureka, near south city limits Eureka 6 Comment
  HSC71419  Angelica hendersonii J. M. DiTomaso 1980-7-29 1797 Humboldt Elkshead, 2 mi N of Trinidad Comment
  HSC41310  Angelica tomentosa Brad Klipfel 1974-9-2 545 Humboldt Horse Mtn. Comment
  HSC98637  Angelica tomentosa Cara Witte 2007-7-25 578 Humboldt Forest Service Road 5N10. Approximately 1/2 mile from intersection with Forest Service Road 5N41. 1283 Comment
  SD109165  Angelica tomentosa var. hendersonii Joseph M. DiTomaso 1980-7-29 1800 Humboldt Elkshead, ca. 2 miles north of Trinidad Comment
  UC34190  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC89528  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC205188  Antennaria media Joseph P. Tracy 1919-9-24 5293 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  CAS-BOT-BC77282  Antennaria microphylla Joseph P. Tracy 1935-7-24 14169 Humboldt Trinity Summit, near ranger station 1828 Comment
  HSC57992  Antennaria rosea subsp. rosea G. L. Clifton, Griswold 1979-7-31 11742 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  BLMAR264  Anthoxanthum occidentale Jennifer Anthony-Wheeler 1999-6-16 264 Humboldt Headwaters Forest Reserve, growing at beginning of wildlife rd. Hydesville Quad 536 Comment
  CAS-BOT-BC289125  Anthoxanthum occidentale Doris K. Kildale 1929-3-10 6931 Humboldt Bug Creek, Chaparral Mt. Comment
  SEINET7614635 Image available Anthoxanthum occidentale Richard R. Halse 1996-1 5020 Humboldt Redwood National Park ; At junction of Bald Hills Road and Holter Ridge Bike Route 11 miles southeast of US Highway 101 708 Comment
  CAS-BOT-BC137737  Anthoxanthum odoratum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  CAS-BOT-BC137738  Anthoxanthum odoratum David D. Keck 1948-7-1 5968 Humboldt Trinidad. Comment
  HSC8948  Anthoxanthum odoratum William J. Ferlatte 1963-5-6 34 Humboldt Arcata, near 11th and B Sts. Comment
Read comments
Jun 6 2012
  HSC8950  Anthoxanthum odoratum D. B. Bader 1963-4-1 24 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  UC1100218  Anthoxanthum odoratum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1208 Humboldt 2 mi n of Eureka (bordering Humboldt Bay); Humboldt Bay 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
  SEINET11682984  Anthoxanthum odoratum K. S. Erdman 1970-1 4786 Humboldt Doleson Hill Prairie, Bald Hills Rd, SE of Orick Comment
  JEPS5352  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1935-10-13 14756 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC1012378  Antirrhinum vexillocalyculatum subsp. breweri Francis W. Pennell Jul 5 1940-Jul 6 1940 26077 Humboldt 2 to 3 mi s Miranda (Route 101, along Eel River); Eel River 91 Comment
  UC162567  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1911-7-10 3482 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 243 Comment
  CAS-BOT-BC392164  Aquilegia formosa Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  HSC48990  Aquilegia formosa var. formosa M. A. Baker 1979-5-25 757 Humboldt Comment
  HSC90416  Arabis breweri var. breweri C. Wilson, P. Kittleson, M. Hardig 1992-3-17 36 Humboldt Titlow Hill Rd., 1.7 mi. S of intersection with Hwy. 299 1037 Comment
  UC162360  Arabis glabra Joseph P. Tracy 1908-6 2711 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA21582  Aralia californica C. B. Wolf 1937-9-8 s.n. Humboldt North Coast Range, Bull Creek- Petrolia Road, 12 mi W of Redwood Highway 457 Comment
  RSA24080  Aralia californica C. B. Wolf 1941-3-2 s.n. Humboldt N Coast Range. Bull Creek-Petrolia Road. 12 miles W of Redwood Highway. 457 Comment
  HSC54575  Arbutus menziesii Overton, Butler 1979-7-24 9610 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC7598  Arbutus menziesii D. E. Anderson 1962-3-17 1932 Humboldt ca. 3 mi. W of Bridgeville. On S facing bank above the Van Duzen River Comment
  JEPS44157  Arctium minus W. L. Jepson 1902-8-3 2136 Humboldt low lands near, over Eel River Ferndale Ferry 1 Comment
  UC180189  Arctium minus Joseph P. Tracy 1914-10-4 4631 Humboldt Table Bluff Northern Coast, Humboldt Bay 0 Comment
  UC1196877  Arctostaphylos Joseph P. Tracy 1934-3-11 13156 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23749  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt Fickle Hill, 6 mi. SE of arcata 609 Comment
  CAS-BOT-BC23776  Arctostaphylos columbiana Doris K. Kildale 1926-8-15 2528 Humboldt Willow Creek, Upper Flat 182 Comment
  CAS-BOT-BC23796  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  HSC35750  Arctostaphylos columbiana Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1994 Humboldt French Camp, Bald Hills. Comment
  RSA622678  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27675 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC1198654  Arctostaphylos columbiana Joseph P. Tracy 1937-7-17 15441 Humboldt Eureka 45 Comment
  UC1198663  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13138 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  UC585919  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge 1066 Comment
  UC585923  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt ridge 1 mi s road from Hoopa westward to Bair's; Hoopa Mountain 1219 Comment
  SEINET11998372  Arctostaphylos columbiana W. Knight, Knight, I. 1989-1 6476 Humboldt Patrick's Point State Park 24 Comment
  UCD50897  Arctostaphylos glandulosa Joseph P. Tracy 1940-7-14 16688 Humboldt Wilder Ridge (near Kings Peak). 762 Comment
  UC1222638  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1950-8-4 19251 Humboldt Grasshopper Peak Bull Creek State Park Comment
  CAS-BOT-BC39162  Arctostaphylos hispidula Carl B. Wolf 1937-8-13 9226 Humboldt North Coast Range, 8 Mi. E. of Hoopa Valley on new road towards Trinity Summit. 1219 Comment
  RSA633020  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27814 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  UCD162897  Arctostaphylos manzanita D. O. Burge 2015-6-5 1743 Humboldt Highway 101, Eel River Canyon. 100 Comment
  CHSC110739  Arctostaphylos manzanita subsp. glaucescens Dean Wm. Taylor 2011-5-4 21119 Humboldt Larabee Valley, along Highway 36 about 1 mile east of the eastern end of the valley at the bridge for the Little Van Duzen River. 701 Comment
  JEPS38928  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1937-4-3 15246 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1173705  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1939-8-5 16391 Humboldt dry hillsides and river bar of Van Duzen Dinsmore's 731 Comment
  UC585954  Arctostaphylos nevadensis Joseph P. Tracy 1935-7-30 14370 Humboldt Salmon Summit 1950 Comment
  CAS-BOT-BC46631  Arctostaphylos patula Joseph P. Tracy 1935-7-14 14063 Humboldt Horse Mountain. 1432 Comment
  HSC74654  Arctostaphylos patula M. A. Baker 1980-5-17 1269 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC43983  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17499 Humboldt Eureka 45 Comment
  CHSC591  Arctostaphylos uva-ursi 1930-3-30 Humboldt Comment
  HSC33172  Arctostaphylos uva-ursi Thomas W. Nelson 1974-4-20 1181 Humboldt Elk Head, N of Trinidad Comment
  HSC7728  Arctostaphylos uva-ursi Unknown 1960-4-30 Humboldt Samoa peninsula 6 mi. W of Arcata Comment
  UC1196869  Arctostaphylos uva-ursi Joseph P. Tracy 1901-4-14 1031 Humboldt Ocean Beach North Coast Region, Humboldt Bay Comment
  SEINET2031082 Image available Arctostaphylos uva-ursi Joseph P. Tracy 1901-1 1061 Humboldt Region about Humboldt Bay 0 Comment
  HSC59030  Arctostaphylos viscida M. A. Baker 1979-6-7 795 Humboldt NE slope of Telescope Peak 1189 Comment
  UCR64184  Arctotheca calendula T. C. Fuller, G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries daily, 3.4 mi west of Main Street, on Centerville beach rd. Ferndale Comment
  CDA36130  Arctotheca prostrata CDFA Staff 1990-8-22 Humboldt Ferndale; Sage Road & Highway 211. 0 Comment
  OBI75994  Aristida oligantha Joseph P. Tracy 1938-8-14 16110 Humboldt Trinity River Valley, at Willow Crk 152 Comment
  UC1027189  Aristida oligantha J. I. Mallory 1955-9-17 122 Humboldt 3/8 mi nnw headquarters; Quad 29A-2, Cottrell Ranch 746 Comment
  POM232100  Armeria maritima subsp. californica I. L. Wiggins 1930-7-11 4683 Humboldt Near Samoa Comment
  RSA89768  Armeria maritima subsp. californica P. A. Munz 1954-7-25 19874 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  HSC31214  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC65884  Arnica cernua M. A. Baker 1980-6-16 1944 Humboldt Near Onion Mtn. 1280 Comment
  HSC70755  Arnica cordifolia R. York 1980-5-17 528 Humboldt Near Le Perron Peak 1066 Comment
  BLMAR189  Arnica discoidea Donald Hazlett 1994-6-7 189 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC75557  Arnica discoidea J. O. Sawyer, R. J. Cole 1977-7-3 3005 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  UC1223000  Arnica discoidea Joseph P. Tracy 1950-8-8 19273 Humboldt near, (2 mi e of town, on trail to Groghan Hole) Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC82427  Arnica discoidea Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans Comment
  HSC33626  Arnica discoidea Thomas W. Nelson, Jane P. Nelson 1976-6-15 2730 Humboldt Growing on FS road N of Alder Springs 1524 Comment
  RSA12448  Arnica discoidea C. B. Wolf 1934-7-1 5845 Humboldt 2.7 mi from Briceland on rd. to Shelter Cove. 91 Comment
  HSC8987  Arrhenatherum elatius L. M. Malloy 1965-5-20 29 Humboldt On Fickle Hill Rd., 2 mi. from Arcata Comment
  UC153943  Artemisia douglasiana Joseph P. Tracy 1910-9-25 3160 Humboldt on Humboldt Bay 0 Comment
  HSC98912  Artemisia ludoviciana subsp. ludoviciana Cara Witte 2008-8-16 1022 Humboldt Forest Service Road 5N10. 1/4 mile east of intersection with National Forest 1. 1359 Comment
  BLMAR66  Artemisia pycnocephala Jennifer Anthony-Wheeler 1994-5-18 66 Humboldt Samoa dunes, growing outside wetland boundaries in Samoa Rec. area 6 Comment
  RSA15563  Artemisia pycnocephala C. B. Wolf 1927-8-29 1206 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  POM264517  Artemisia pycnocephala H. E. Parks 1941-08 24186 Humboldt Little River State Park Comment
  CAS-BOT-BC97245  Artemisia suksdorfii W. R. Dudley 1899-1 s.n. Humboldt Trinidad Head Comment
  CAS-BOT-BC453345  Aruncus dioicus var. vulgaris Doris K. Kildale 1930-6-1 9747 Humboldt Klamath River at Weitchpec Comment
  CAS-BOT-BC400531  Asarum caudatum Joseph P. Tracy 1935-7-23 14160 Humboldt Trinity Summit. Lower end of Brett Hole 1584 Comment
  CAS-BOT-BC400541  Asarum caudatum Harley P. Chandler 1901-5-1 1267 Humboldt North Coast Ranges. Redwood Belt 457 Comment
  CHSC68486  Asarum caudatum Vernon H. Oswald 1997-4-10 8324 Humboldt Elk Head, north end of Trinidad State Beach; along the trail between the parking area and the bluffs overlooking the ocean. 30 Comment
  HSC56978  Asarum caudatum Overton, Butler 1979-7-23 9513 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC58082  Asarum caudatum G. L. Clifton, Griswold 1979-8-1 11986 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  CAS-BOT-BC400539  Asarum caudatum C. C. Harris; S. K. Harris 1936-6-14 652 Humboldt On Yager Road from Carlotta 457 Comment
  HSC65474  Asarum hartwegii Gail Newton 1980-6-24 560 Humboldt Near Ladder Rock 1570 Comment
  SEINET10857354  Asclepias fascicularis R. W. Schery, E. M. Curtis 1939-7-20 Schery 8 Humboldt West of Sequaia 914 Comment
  UC1197605  Asclepias speciosa Joseph P. Tracy 1911-7-8 3472 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of the Trinity River 152 Comment
  HSC1051  Aspidotis densa D. E. Anderson 1961-9-3 1777 Humboldt Comment
  UC302329  Aspidotis densa Charlotte M. Wilder 1912-10-1 Humboldt ca. 6 mi above Kuntz P.O. (Upper Van Duzen River) 914 Comment
  RSA47130  Aster alpigenus Doris K. Kildale 1925-8-16 1195 Humboldt Trinity Summit 1829 Comment
  CDA15293  Aster radulinus P. Haggard 1998-11-18 s.n. Humboldt North Coast; Bald Hills Rd. in Redwood National Park E of Orick. 822 Comment
  CAS-BOT-BC27578  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt 4 miles S of Miranda Comment
  UC1197707  Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten and Pierce Ranch); ; Tosten & Pierce Ranch, near Bear Buttes, S of Miranda, Humboldt Co. 762 Comment
  UC502991 Image available Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten & Pierce Ranch) 762 Comment
  UC1174495  Astragalus rattanii var. rattanii Volney Rattan June 1882 Humboldt Comment
  UC82583  Astragalus rattanii var. rattanii J. W. Blankinship 1893-6-15 Humboldt Bridgeville Comment
  HSC25767  Astragalus umbraticus D. E. Anderson 1965-5-15 3694 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  SEINET12160220  Astragalus umbraticus J. P. Tracy 1940-1 16706 Humboldt Bald Mt at 'Lake Prairie 1067 Comment
  HSC41197  Asyneuma prenanthoides Thomas W. Nelson, Jane P. Nelson 1977-7-1 3562 Humboldt Along N side of ridge between Bear and Blanket Creeks. 1494 Comment
  SBBG69571  Asyneuma prenanthoides S. W. Hutchinson -Jun-1925 93 Humboldt Redwood Hwy 243 Comment
  RSA137262  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1957-6-19 14127 Humboldt 2.5 miles west of Pepperwood in dense Redwood forest Comment
  JEPS35144  Athyrium filix-femina var. cyclosorum Lincoln Constance 1934-6-2 785 Humboldt S. Fork Eel River Comment
  UC667959  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1937-7-25 15557 Humboldt ne of Hawkins Bar Happy Camp Mt; Trinity Summit Range 1280 Comment
  UCSB30586  Athyrium filix-femina var. cyclosorum Edwards, David 1974-9-2 Humboldt Ca. 10 ft. E. of dirt road, ca. 100 yds. from its jct. with Fickle hill Rd., Arcata 3 Comment
  HSC90252  Atriplex prostrata Jean Hanson 1980-8-28 111 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, across from Coast Guard Station and within 30 ft. of hi tide line and within 1 ft. of water inland. Comment
  HSC9010  Avena fatua E. W. Styskel 1964-4-3 55 Humboldt 0.25 mi. S of Garberville along Sprowl Creek Rd. Comment
  UC526702  Avena fatua Joseph P. Tracy 1930-6-29 8824 Humboldt Buck Mountain Northern Coast Ranges (lower foothills of nw slope) Comment
  UCD56455  Avena fatua Kathleen Moore 1964-7-14 s.n. Humboldt Kneeland. 1/2 mile north of Star Barn. Comment
  UC1192363  Azolla filiculoides Malcolm A. Nobs and S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach Comment
  UC249846  Baccharis glutinosa Joseph P. Tracy 1924-8-10 6810 Humboldt Van Duzen River, Blue Slide 91 Comment
  CAS-BOT-BC98032  Baccharis pilularis Doris K. Kildale 1926-11-27 2845 Humboldt Alton Bluff 30 Comment
  UC1199293  Baccharis pilularis Joseph P. Tracy 1920-10-31 5408 Humboldt near Grizzly Bluff (Eel River); Eel River 30 Comment
  UC1199296  Baccharis pilularis Joseph P. Tracy 1933-10-15 13099 Humboldt Miranda South Fork of Eel River 121 Comment
  HSC79368  Baccharis pilularis subsp. consanguinea Kenneth Clark 1980-11-28 1052 Humboldt Above Point No Pass 488 Comment
  HSC48865  Barbarea orthoceras Brad Klipfel 1973-6-10 58 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA273344  Barbarea orthoceras M. A. Baker 1977-4-23 174 .5 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  UC1198286  Barbarea orthoceras Joseph P. Tracy 1906-5-6 2443 Humboldt hillside in Wolverton Gulch, near Hydesville 60 Comment
  RSA10095  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of south Yager Creek Comment
  UC552762  Beckmannia syzigachne Joseph P. Tracy 1935-5-25 13848 Humboldt Fort Seward 106 Comment
  JEPS31855  Bellis perennis Lincoln Constance 1934-6-3 800 Humboldt North Dyerville Flat South Fork Eel River Comment
  SD88368  Bellis perennis Darley F. Howe 1972-5-7 Humboldt Trinidad Comment
  UC1199304  Bellis perennis Joseph P. Tracy 1924-3-9 6617 Humboldt Kneeland Prairie, near Lawrence Creek Northern Coast Ranges 762 Comment
  RSA187521  Bellis perennis John H. Thomas 1966-3-19 11489 Humboldt Near the M. G. Goethe Grove in Prairie Creek Redwoods State Park near Highway 101, between Eureka and Crescent city. Comment
  UCD129543  Bellis perennis Joseph M. DiTomaso 1976-3-28 343 Humboldt Arcata, corner of 3rd and D. Comment
  SEINET12219011  Bensoniella oregona J. P. Tracy 1951-1 19416 Humboldt East side of Snow Camp Meadows Comment
  HSC65099  Berberis aquifolium var. aquifolium J. P. Smith, J. O. Sawyer 1973-5-12 6687 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  UCD39982  Berberis aquifolium var. repens Rodney Gale Myatt 1971-9-21 1186 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  CAS-BOT-BC75801  Berberis pinnata Doris K. Kildale 1928-4-29 5971 Humboldt Horse Mountain. 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
  UC672887  Blechnum spicant Joseph P. Tracy 1940-8-25 16718 Humboldt Bald Mt. 975 Comment
  CAS-BOT-BC66271  Blechnum spicant A. M. Showalter 1925-8-12 s.n. Humboldt west of Orick Comment
  SFV12198  Blennosperma nanum R. Gankin, W. R. Hildreth 1966-3-15 700 Humboldt Serpentine slopes of Klamath River Canyon. State Highway 96, 4.6 miles north of Hoopa. Comment
  POM256441  Boisduvalia densiflora var. densiflora Joseph P. Tracy 1937-7-19 15463 Humboldt Larrabee Valley 732 Comment
  CDA5649  Borago officinalis T. C. Fuller 1958-6-17 598 -58 Humboldt Ferndale. 0 Comment
  UC585961  Boschniakia strobilacea Joseph P. Tracy 1925-6-7 7059 Humboldt Northern Coast Ranges, Willow Creek Canyon. 609 Comment
  HSC55130  Botrychium multifidum G. L. Clifton, Griswold 1979-8-1 11945 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC56238  Boykinia major Walter Overton 1979-8-1 12327 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  RSA32654  Boykinia occidentalis Doris K. Kildale 1925-7-28 1100 Humboldt [Unspecified] Comment
  HSC6581  Brassica rapa Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  CAS-BOT-BC106285  Brickellia californica Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove Comment
  CAS-BOT-BC106290  Brickellia californica Doris K. Kildale 1926-8-29 2593 Humboldt Van Duzen River, near Strong's Station Comment
  HSC61765  Briza maxima Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  RSA86704  Briza maxima Joseph P. Tracy 1930-6-15 8758 Humboldt Alder Point Comment
  CAS-BOT-BC145568  Briza minor Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC12346  Briza minor Steve Dorei 1970-10-31 137 Humboldt Scotia Bluffs, N of railroad tracks Comment
  HSC9101  Briza minor Paul Shields Aug 1955 Humboldt 2 mi. S of Weott Comment
  UC187216  Briza minor Joseph P. Tracy 1911-7-5 3328 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC100548  Brodiaea capitata Carl C. Marshall 1885-1 4 Humboldt Table Bluff. Comment
  JEPS7652  Brodiaea elegans subsp. elegans Milo S. Baker 1923-7-28 131 a Humboldt near camp on South Fork Yager Creek Comment
  RSA12519  Brodiaea elegans subsp. elegans Carl B. Wolf 1934-7-3 5917 Humboldt 21 miles from Orick on road to Weitchpec. 152 Comment
  RSA249396  Brodiaea stellaris D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5697 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC37548  Brodiaea terrestris subsp. terrestris J. D. Ackerman 1975-6-10 457 Humboldt 1 mi. N of Samoa bridge turnoff from Samoa Blvd., S of Manila Comment
  SEINET7297864 Image available Bromus breviaristatus Joseph P. Tracy 1950-1 18786 Humboldt Mail Ridge; North of Harris 2 miles 1036 Comment
  UCD58203  Bromus carinatus A. H. Murphy 1951-4-18 s.n. Humboldt Tooby and Prior Ranch, Blocksburg. 457 Comment
  HSC9142  Bromus carinatus var. carinatus W. F. Nickel 1965-3-17 Humboldt Humboldt State College campus behind College Elementary School. Comment
  UC552681  Bromus carinatus var. carinatus Joseph P. Tracy 1935-7-25 14233 Humboldt Trintiy Summit, at McKay Prairie Trintiy Summit; , McKay Prairie 1584 Comment
  UC552687  Bromus carinatus var. carinatus Joseph P. Tracy 1935-6-23 13982 Humboldt Northern Coast Ranges, French Camp Ridge French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  CAS-BOT-BC149161  Bromus carinatus var. marginatus Joseph P. Tracy 1935-7-25 14233 Humboldt Trinity Summit. At McKay Prairie. 1584 Comment
  HSC35281  Bromus diandrus J. D. Ackerman, A. M. Montalvo 1975-6-22 491 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36 Comment
  HSC9294  Bromus diandrus R. T. Forester 1963-4-30 53 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC9300  Bromus diandrus E. W. Styskel 1964-4-28 75 Humboldt End of Davis St. at the edge of Eel River in Rio Dell Comment
  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
  UCD58512  Bromus diandrus Linda M. Barker 1976-4-30 1403 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET10524095  Bromus vulgaris Harley P. Chandler Chandler 1177 Humboldt 30 Comment
  RSA484550  Cakile edentula E. A. Purer 1932-7-27 4140 Humboldt Near Samoa. Comment
  SD38262  Cakile edentula var. edentula Edith A. Purer 1932-7-27 4140 Humboldt Samoa Comment
  HSC49024  Cakile maritima Patricia Shesgreen 1978-8-19 143 Humboldt Mad River Beach, Arcata Comment
  UC709461  Cakile maritima Joseph P. Tracy 1941-8-3 16979 Humboldt w foot of Table Bluff Table Bluff 3 Comment
  CAS-BOT-BC185181  Calamagrostis nutkaensis Doris Kildale Gillespie 1931-6-7 10653 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  HSC35505  Callitriche heterophylla G. W. Clason 1962-4-25 Humboldt Hwy. 101 between Arcata and Eureka. Comment
  UC275486  Callitriche marginata Joseph P. Tracy 1925-3-29 6948 Humboldt Miranda; Northern Coast Ranges 121 Comment
  UC668185  Callitriche trochlearis Joseph P. Tracy 1936-6-17 14952 Humboldt nw slope Buck Mountain (lower foothills) 762 Comment
  HSC26649  Calocedrus decurrens J. O. Sawyer 1973-3-12 2478 Humboldt SE of Kerr Peak on Manhart Ranch 457 Comment
  HSC56944  Calocedrus decurrens Overton, Butler 1979-7-23 9433 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC98964  Calocedrus decurrens Cara Witte 2007-9-14 648 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1649 Comment
  CAS-BOT-BC488454  Calochortus amabilis Ella Dales Cantelow 1939-6-4 2442 Humboldt 6 1/10 mi. w. of Alder Point on road to Bridgeville. Comment
  UC667128  Calochortus tolmiei Joseph P. Tracy 1933-7-11 12659 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  CAS-BOT-BC494361  Calochortus tolmiei Volney Rattan 1879-1-1 s.n. Humboldt Ferndale Comment
  UC198648  Calochortus tolmiei Joseph P. Tracy 1917-5-30 4813 Humboldt w of Dows Prairie; Northern Coast Ranges 15 Comment
  RSA168945  Calochortus vestae Joseph P. Tracy 1950-6-23 18868 Humboldt Dobbyn Creek, 3 miles northeast of Alderpoint. 213 Comment
  HSC56155  Caltha leptosepala G. L. Clifton, Griswold 1979-8-1 12016 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  SEINET2474864 Image available Caltha leptosepala var. biflora Joseph P. Tracy 1930-1 8971 Humboldt South Fork Mountain, at McKay Camp 1680 Comment
  JEPS20233  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River, mountain slopes w of its mouth South Fork of Trinity River 304 Comment
  HSC16572  Calypso bulbosa Norman H. Moe 1962-4-26 Humboldt Lanphere's Place Comment
  UC1196475  Calypso bulbosa Arthur E. Connick 1928-4-15 Humboldt Prairie Creek 91 Comment
  HSC70228  Calyptridium monospermum M. A. Baker 1980-6-8 1891 Humboldt Near Buck Flat. 1554 Comment
  HSC99011  Calyptridium monospermum Cara Witte 2008-7-1 789 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  UC562485  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1933-7-21 12816 Humboldt Redwood House on road to South Yager; on road to South Yager, Redwood House 762 Comment
  UCD126164  Calystegia soldanella Roman Gankin 1965-8-6 559 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  UC1046537  Camassia quamash R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3419 Humboldt Ridge between Mad River and Redwood Creek (Bald Mountain, at Snow Camp); Bald Mountain, Snow Camp 1432 Comment
  CAS-BOT-BC493386  Camassia quamash subsp. linearis Doris Kildale 1931-5-10 10558 Humboldt Snow Camp Comment
  HSC33058  Camassia quamash subsp. linearis Thomas W. Nelson 1974-5-7 1237 Humboldt Beside Kneeland Rd. 0.5 mi. N of Kneeland School Comment
  POM271978  Camissonia cheiranthifolia subsp. cheiranthifolia Lyman Benson 1928-7-10 440 Humboldt Clam Beach, Trinidad. 11 Comment
  POM72743  Camissonia cheiranthifolia subsp. cheiranthifolia P. A. Munz 1925-6-20 9891 Humboldt Clam Beach, 14 miles north of Eureka Comment
  RSA245215  Camissonia cheiranthifolia subsp. cheiranthifolia T. M. Mingo 1965-05 s.n. Humboldt Clam Beach Comment
  UC1196940  Camissonia contorta Joseph P. Tracy 1906-5-13 2453 Humboldt Fairhaven Northern Coast Region, Humboldt Bay Comment
  POM232035  Campanula prenanthoides I. L. Wiggins 1930-7-22 4690 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  RSA456172  Campanula prenanthoides Anstruther Davidson 1918-07 3350 Humboldt Eel River. 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
  SEINET10462969  Campanula prenanthoides Shields SHIELDS s.n. Humboldt 3 miles northwest of Weott Comment
  SEINET10462971  Campanula prenanthoides Pollard 1948-7-23 POLLARD s.n. Humboldt Reece Point near Orleans Comment
  SEINET10840312  Campanula prenanthoides Mcgregor 1921-8-17 MCGREGOR s.n. Humboldt Abandoned road grade, Oriels Comment
  SEINET10873252  Campanula prenanthoides Klipfel 1974-7-23 KLIPFEL 462 Humboldt Horse Mountain area, on south slope of ridge running to the east of the towers area. T6N R4E Sec. 35 Comment
  SEINET10873282  Campanula prenanthoides Rattan 1878-1 RATTAN s.n. Humboldt Comment
  UC416597  Campanula prenanthoides Harley P. Chandler 1901-6-14 1476 Humboldt Orleans to Somes Bar; Klamath River 304 Comment
  SEINET10463746  Campanula scouleri Newton 1981-7-23 Newton 2280 Humboldt Pilot Creek quadrangle; near Bug Creek Butte, streamside. 1350 Comment
  UC602559  Campanula scouleri Joseph P. Tracy 1926-6-27 7691 Humboldt Horse Mountain 1219 Comment
  HSC98724  Campanula scouleri Cara Witte 2008-7-16 919 Humboldt Forest Service Road 4N38. At intersection to Board Camp Lookout. 1414 Comment
  RSA46687  Campanula scouleri Doris K. Kildale 1937-7-18 15143 Humboldt Horse Mt. Comment
  SEINET10463479  Campanula scouleri Manning MANNING [ 305 ] Humboldt Near Hupa (Bald Hills). 457 Comment
  SEINET10463695  Campanula scouleri Baker 1979-6-29 Baker 956 Humboldt Hopkins Ck. T9N R5E MIDDLE SECT. 3. 760 Comment
  HSC6694  Cardamine californica J. L. Baker 1965-4-12 43 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  UC1199190  Cardamine californica Joseph P. Tracy 1913-3-30 4031 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  CHSC499  Cardamine californica var. sinuata G. Spurlock 1935-3-9 Humboldt Van Duzen river. Comment
  HSC60299  Cardamine nuttallii Phyllis Krieg 1979-5-8 Humboldt 0.25 mi. E of Old Arcata Rd. on Golf Course Rd., Bayside, next to a house 15 Comment
  HSC64793  Cardamine oligosperma J. P. Smith 1971-10-9 5015 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  UC1199205  Cardamine oligosperma Joseph P. Tracy 1933-5-18 12189 Humboldt near Blue Lake; along Mad River, near Blue Lake 15 Comment
  UC162358  Cardamine oligosperma J. P. Tracy 1901-4-7 1009 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  RSA442190  Cardamine oligosperma M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale. Comment
  CAS-BOT-BC384767  Cardionema ramosissimum Doris K. Kildale 1928-8-10 6265 Humboldt Samoa peninsula - Humboldt Bay Comment
  CAS-BOT-BC384768  Cardionema ramosissimum Ira L. Wiggins 1930-7-11 4687 a Humboldt Sand dunes near Samoa Comment
  HSC37574  Cardionema ramosissimum J. D. Ackerman 1975-6-10 458 Humboldt 1 mi. N of Samoa bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC4144  Cardionema ramosissimum P. W. Shields Apr 1955 Humboldt 5 mi. NW of Arcata Comment
  RSA32661  Cardionema ramosissimum Doris K. Kildale 1925-7-2 904 Humboldt Table Bluff beach. Comment
  UC1222954  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt toward Hungry Hollow Angel's Ranch; Bald Mountain, Hungry Hollow Comment
  CAS-BOT-BC18269  Carex Doris Kildale 1931-5-10 10573 Humboldt Snow Camp. Comment
  UC562652  Carex abrupta Joseph P. Tracy 1932-7-14 10546 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC96930  Carex abrupta E. Kimbrough, W. Meier 2007-6-13 10 Humboldt Grouse Mountain, 1 mi. E of NF1 on FS 5N04 1524 Comment
  UC562287  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  CHSC92463  Carex arcta Gordon Leppig; T. LaBanca 2005-9-21 2320 Humboldt Pacific Lumber Company land. Clark Mountain Fen, Headwaters of Root Creek on northwest side of Clark Mt., UTM Zone 10, 423098E, 4477336N. 400 Comment
  SEINET10644708  Carex athrostachya Joseph P. Tracy 1934-7-18 Tracy 13426 Humboldt 1524 Comment
  UCD23239  Carex athrostachya Collector Unknown 1971-8-13 s.n. Humboldt Bear River Res. Comment
  CHSC84737  Carex bolanderi L. P. Janeway 2003-7-27 7929 Humboldt North Coast. On ridge between Stone Lagoon, Dry Lagoon and the beach (Sharp Point). Along trail. 823 Comment
  CAS-BOT-BC34010  Carex brevicaulis Joseph Prince Tracy 1939-5-7 16276 Humboldt Sand Dunes, near Samoa, on Humboldt Bay. 6 Comment
  HSC45435  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1978-7-2 4397 Humboldt Along FS 2S08 near Pine Mtn. 1463 Comment
  JEPS63744  Carex concinnoides Joseph P. Tracy 1926-5-30 7519 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC61629  Carex cusickii Ruby Van Deventer 1959-6-20 Humboldt Humboldt/Del Norte County line, Onion Lake Comment
  CAS-BOT-BC34983  Carex densa S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3443 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  UC194805  Carex deweyana subsp. leptopoda Joseph P. Tracy 1913-6-22 4267 Humboldt Dinsmore's Ranch in valley of Van Duzen River, opposite Buck Mountain 0 Comment
  UC562272  Carex echinata Joseph P. Tracy 1933-7-25 12845 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC194806  Carex echinata Joseph P. Tracy 1914-7-4 4532 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  CHSC85975  Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  CAS-BOT-BC19964  Carex exsiccata Joseph Prince Tracy 1934-7-13 13388 Humboldt Dow's Prairie. 60 Comment
  CAS-BOT-BC19963  Carex exsiccata Joseph Prince Tracy 1938-9-25 16170 Humboldt Bald Mountain; at Lake Prairie. 1066 Comment
  UC196567  Carex feta Joseph P. Tracy 1916-6-20 4734 Humboldt at the Dyke Ranch Northern Coast Ranges, Alder Point 304 Comment
  UC2020226  Carex gynodynama Joseph P. Tracy 1906-6-24 2508 Humboldt Northern Coast Region, south slope of Humboldt Hill. Comment
  CAS-BOT-BC22319  Carex harfordii Joseph Prince Tracy 1935-6-8 13936 Humboldt Eureka. 60 Comment
  CAS-BOT-BC20461  Carex harfordii Joseph Prince Tracy 1939-7-9 16316 Humboldt Bald Mountain. 1 mile north of Murphy Meadows. 914 Comment
  CAS-BOT-BC21751  Carex hassei Joseph Prince Tracy 1927-4-23 7917 Humboldt Big Lagoon. 6 Comment
  SEINET3901641  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Eel River: Bull Creek at South Fork of.; 0 Comment
  CAS-BOT-BC7565  Carex integra Joseph Prince Tracy 1935-7-23 14139 Humboldt Trinity Summit. Open places at Corral Prairie. 1584 Comment
  HSC102203  Carex integra M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1118 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  CAS-BOT-BC7790  Carex laeviculmis Joseph Prince Tracy 1930-7-16 8985 Humboldt South Fork Mountain. At McKay Camp. 1676 Comment
  CAS-BOT-BC28502  Carex lenticularis var. limnophila Joseph Prince Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  JEPS79865  Carex leporina Joseph P. Tracy 1936-6-28 15014 Humboldt near Murphy Meadow (Bald Mountain); Bald Mountain 1066 Comment
  CAS-BOT-BC21120  Carex leptalea Joseph Prince Tracy 1918-7-21 5086 Humboldt Northern Coast Range. Humboldt Hill. 91 Comment
  POM126111  Carex lyngbyei Joseph P. Tracy 1922-5-28 6059 Humboldt Mouth of Little River 3 Comment
  UC249751  Carex mendocinensis Joseph P. Tracy 1924-6-15 6697 Humboldt Northern Coast Ranges. Near Ruby Creek, on the Willow Creek highway. Comment
  HSC43481  Carex microptera Thomas W. Nelson, Jane P. Nelson 1977-9-3 3739 Humboldt Head of Bear Creek 1585 Comment
  UC1103570  Carex multicaulis Joseph P. Tracy 1919-5-31 5164 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges 152 Comment
  UC562260  Carex multicaulis Joseph P. Tracy 1927-3-27 7862 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC76817  Carex obnupta L. P. Janeway 1982-6-12 5 Humboldt Dry Lagoon 3 Comment
  POM79084  Carex obnupta Le Roy Abrams 1916-7-18 6083 Humboldt Arcata to Trinidad. Comment
  RSA15497  Carex obnupta Joseph P. Tracy 1934-7-30 13514 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon). 3 Comment
  CAS-BOT-BC119269  Carex ovalis Alice Eastwood; John Thomas Howell 1937-6-23 4830 Humboldt Near Yager Comment
  CAS-BOT-BC119270  Carex ovalis Joseph Prince Tracy 1936-6-28 15014 Humboldt Bald Mt. Borders of ditch in woods near Murphy Meadow. 1066 Comment
  UC585634  Carex ovalis Joseph P. Tracy 1937-8-7 15617 Humboldt Murphy Ridge Bald Mt. 914 Comment
  UC562644  Carex pachystachya Joseph P. Tracy Jul 16 1930-Jul 19 1930 8984 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC119223  Carex pachystachya Joseph Prince Tracy 1928-6-24 8465 Humboldt Valley of South Yager Creek. 762 Comment
  HSC98595  Carex pachystachya Cara Witte 2008-8-6 1017 Humboldt Intersection of Forest Service Road 4E27 and National Forest 1. South of trail to Board Camp Butte. 1479 Comment
  HSC98951  Carex pachystachya Cara Witte 2008-7-11 878 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  SEINET3827283  Carex pachystachya Joseph P. Tracy 1938-1 16083 Humboldt In shade. 30 Comment
  UC1115801  Carex pachystachya Joseph P. Tracy 1939-7-9 16325 Humboldt Lake Prairie Bald Mountain 1066 Comment
  JEPS79855  Carex pansa Joseph P. Tracy 1935-7-18 14104 Humboldt next to Table Bluff (around Humboldt Bay); around Humboldt Bay 3 Comment
  UC562258  Carex pansa Joseph P. Tracy 1935-7-18 14104 Humboldt next to Table Bluff (around Humboldt Bay); around Humboldt Bay 3 Comment
  CAS-BOT-BC118009  Carex rossii Joseph Prince Tracy 1935-6-23 13977 Humboldt French Camp Ridge. 1066 Comment
  HSC70467  Carex rossii J. P. Tracy 1904-5-1 2041 Humboldt Eureka 0 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  CHSC106517  Carex serratodens Peter F. Zika 2009-6-19 24499 Humboldt Outer North Coast Range (NCoRO). Above Route 299, 0.7 road miles W of Berry Summit. 780 Comment
  SDSU11677  Carex stipata W. A. Bemis 1964-5-4 273 Humboldt Freshwater Forest, Freshwater. (SE1/4, SE1/4, Sec. 28, T6N R1E HBM 98 Comment
  SEINET10856669  Carex stipata Joseph P. Tracy 1931-5-17 Tracy 9422 Humboldt Lack Pond; in Trinity River Valley, opposie mouth of Willow Creek. 152 Comment
  CHSC115860  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain, Outer North Coast Ranges. 1190 Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  JEPS25972  Carex subbracteata Joseph P. Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC116910  Carex subbracteata var. subbracteata Joseph Prince Tracy 1936-6-9 14904 Humboldt Upper Mattole. 121 Comment
  HSC71720  Carex subfusca M. A. Baker 1980-6-26 2467 Humboldt Near Sims Creek 610 Comment
  HSC103143  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1154 Humboldt Patterson Meadows 1555 Comment
  UC249757  Carex tumulicola Joseph P. Tracy 1923-5-13 6205 Humboldt near Bridgeville; Northern Coast Ranges 213 Comment
  CAS-BOT-BC115537  Carex unilateralis Joseph Prince Tracy 1927-7-17 8276 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  CAS-BOT-BC115538  Carex unilateralis Joseph Prince Tracy 1927-7-17 8276 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  SEINET11632747  Carex utriculata J. P. Tracy 1950-1 19264 Humboldt Box Camp, Trinity Summit 1524 Comment
  JEPS79840  Carex vesicaria var. major Joseph P. Tracy 1934-7-13 13388 Humboldt Dow's Prairie 60 Comment
  UC562343  Carex vesicaria var. major Joseph P. Tracy 1934-7-13 13388 Humboldt Dow's Prairie 60 Comment
  HSC7088  Carex viridula H. E. Parks Sep 1934 5157 Humboldt Dry Lagoon Comment
  HSC49819  Carpobrotus chilensis R. York 1979-4-13 241 Humboldt Bluffs surrounding College Cove. Comment
  CDA6949  Carthamus lanatus G. D. Barbe 1978-7-27 2418 Humboldt Along Salmon Creek, west of Miranda on Salmon Creek Road-Thomas Road. 0 Comment
  CAS-BOT-BC249130  Castilleja affinis Doris K. Kildale 1927-6-26 3597 Humboldt Patrick's [Patricks] Point Comment
  JEPS83  Castilleja affinis subsp. affinis Lincoln Constance 1934-3-29 715 b Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  CHSC68560  Castilleja ambigua subsp. humboldtiensis Vernon H. Oswald 1997-4-29 8351 Humboldt Near seal level. Humbolt Bay NWR, levee north of Long Pond along the arm of South Humbolt Bay separating Teal Island from the main part of the refuge. Comment
  HSC104042  Castilleja ambigua subsp. humboldtiensis C. Reynolds 2015-4-28 40 Humboldt Near creekside on Arcata Marsh, south of Interpretive Center 5 Comment
  UC604629  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1938-7-15 16068 Humboldt Mouth of Eel River 3 Comment
  HSC45086  Castilleja attenuata R. Sutherland 1978-5-19 3 .19578 Humboldt Mckee Flat 296 Comment
  HSC95078  Castilleja exserta subsp. latifolia Andrea Pickart 2002-6-4 114 Humboldt N Spit Dunes 0 Comment
  JEPS10344  Castilleja exserta subsp. latifolia Joseph P. Tracy 1938-7-12 16058 Humboldt Table Bluff, w of lighthouse Table Bluff 6 Comment
  JEPS76196  Castilleja exserta subsp. latifolia T. I. Chuang with Fei-Mei Chuang 1977-7-19 7625 Humboldt about 3 mi n Samoa; Manila Comment
  JEPS88809  Castilleja exserta subsp. latifolia T. I. and F. M. Chuang 1991-7-9 7877 Humboldt Samoa Sand Dune; near Louisiana Pacific Plant Comment
  UC582576  Castilleja foliolosa Joseph P. Tracy 1934-7-9 13329 Humboldt 5 mi s Harris; Mail Ridge 762 Comment
  HSC70292  Castilleja pruinosa Gail Newton 1980-7-22 1671 Humboldt Near Devils Backbone 1554 Comment
  UC199378  Castilleja rubicundula subsp. lithospermoides P. E. Goddard 1907-5-29 . 104 Humboldt Van Duzen Comment
  SEINET10582751  Castilleja wightii subsp. rubra Rimo Bacigalupi, Lawrence R. Heckard 1964-7-27 Bacigalupi 8962 Humboldt Shaded bend of road just (1/8 mile) above and east of Shelter Cove. On partly shaded n.-facing road bank. Comment
  UC1502112  Ceanothus R. Sutherland 1976-1-30 4 .30.76 Humboldt Pt. Delgada Quad. 990 Comment
  UC1502130  Ceanothus R. Sutherland 1978-1-27 1 .27.78 Humboldt sse Nooning Creek (near Mattole River); Garberville Quad., , sse Nooning Creek 286 Comment
  HSC78651  Ceanothus cordulatus D. K. Imper 1982-7-13 1485 Humboldt Near Chaparral Mtn. 1386 Comment
  HSC73442  Ceanothus cuneatus Gail Newton 1980-7-11 1311 Humboldt Near Red Mtn. 1341 Comment
  HSC74353  Ceanothus cuneatus Gail Newton 1980-6-17 208 Humboldt Near Onion Mtn. 1341 Comment
  CDA35561  Ceanothus cuneatus subsp. cuneatus Gordon Leppig 1998-6-1 877 Humboldt Horse Mountain. Titlow Hill Road. Comment
  UC33617  Ceanothus cuneatus var. cuneatus Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  POM203240  Ceanothus foliosus M. S. Jussel 1931-5-1 s.n. Humboldt Garberville. Comment
  HSC18281  Ceanothus foliosus R. H. Neuns 1950-10-17 141 Humboldt Bear Creek Rd. 6 mi N of Shelter Cove 610 Comment
  HSC92755  Ceanothus foliosus var. foliosus J. R. McFarland 1997-4-10 Humboldt 3.7 mi N on King Range Rd. from Shelter Cove Rd. near peak 602 Comment
  RSA167407  Ceanothus incanus Joseph P. Tracy 1950-8-4 19249 Humboldt NW slope of the peak, Grasshopper Peak, in Bull Creek State Park at head of Canoe Creek Comment
  RSA95401  Ceanothus incanus Joseph P. Tracy 1932-5-1 9878 Humboldt Vicinity of Garberville Comment
  CAS-BOT-BC63684  Ceanothus integerrimus Harley P. Chandler 1901-6-1 1338 Humboldt Hupa Indian Reservation. 152 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
  UC1070740  Ceanothus integerrimus A. E. Wieslander 1931-5-19 202 Humboldt Near Orleans Hoopa quad., Klammath Forest Comment
  UC176965  Ceanothus integerrimus Joseph P. Tracy 1913-6-21 4249 Humboldt Dinsmore's Ranch Valley of Van Duzen River, Northern Coast Ranges (opposite Buck Mt.,) 762 Comment
  UC33626  Ceanothus integerrimus Chesnut and Drew 1888-7-25 Humboldt Comment
  CAS-BOT-BC50476  Ceanothus oliganthus J. R. McFarland 1997-4-10 s.n. Humboldt King Range National Conservation Area - 3.7 miles north on King Range Road from Shelter Cove Road. 601 Comment
  POM282990  Ceanothus oliganthus var. sorediatus Lyman Benson 1929-7-19 1596 Humboldt Dyerville to Matole River. Comment
  UC1193287  Ceanothus oliganthus var. sorediatus P. Zinke 1950-10-4 167 Humboldt 2 mi se Honeydew; Quad. 28D1 182 Comment
  UC275287  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1924-5-11 6675 Humboldt Bull Creek Northern Coast Ranges 121 Comment
  SBBG68534  Ceanothus parryi L. Rowntree -Jul-1931 Humboldt Ettersburg Comment
  UC1193305  Ceanothus parryi P. Zinke 1950-8-26 159 Humboldt Salmon Creek 3 mi w Miranda; Quad. 29C1, Salmon Creek 91 Comment
  UC1198008  Ceanothus parryi Joseph P. Tracy 1937-7-11 15416 Humboldt Garberville 152 Comment
  UC502946  Ceanothus parryi Joseph P. Tracy 1932-5-1 9865 Humboldt vicinity Garberville; Northern Coast Ranges, vicinity of Garberville 121 Comment
  CAS-BOT-BC51213  Ceanothus parryi Doris K. Kildale 1926-12-19 2871 a Humboldt South Fork - on South Fork of Eel River 51 Comment
  HSC18322  Ceanothus pumilus Class 1937-5-12 Humboldt Hoopa Comment
  HSC23293  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1294 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  BLMAR806  Ceanothus thyrsiflorus Madeleine Hassett 2017-7-25 806 Humboldt Lost Coast Headlands, ~200ft down the road from Fleener Creek trailhead 75 Comment
  UC1198011  Ceanothus thyrsiflorus Joseph P. Tracy 1933-6-7 12520 Humboldt Blue Slide Van Duzen River, Blue Slide (on Van Duzen River) 91 Comment
  HSC18343  Ceanothus velutinus P. W. Shields May 1955 Humboldt 7 mi W of Hoopa Comment
  CDA7178  Centaurea nigra David Kratville 2007-8-24 PDR# 1440729 Humboldt Holmes; end of Holmes Flat Rd. Comment
  CDA7310  Centaurea pratensis E. C. Whitney 1966-8-12 Humboldt Holmes Flat. Miller property. 0 Comment
  CDA7311  Centaurea pratensis E. C. Whitney, R. E. Talbert 1966-8-4 Humboldt Weitchpec. Hoopa Reservation. 0 Comment
  UC1222949  Centaurea solstitialis Joseph P. Tracy 1943-11-28 17452 Humboldt near Alton (Eel River bar at mouth of Van Duzen); Eel River, Van Duzen Comment
  HSC90328  Centaurium erythraea Jean Hanson 1980-6-22 104 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, W end of island, 50 ft. NW of dike Comment
  UC176992  Centaurium muehlenbergii Joseph P. Tracy 1912-7-23 3798 Humboldt 3 mi above mouth of South Fork of Eel River (along South Fork of Eel River); Northern Coast Ranges, South Fork of Eel River 30 Comment
  HSC59895  Cephalanthera austiniae M. A. Baker 1979-6-28 943 Humboldt S of Mill Creek Comment
  UC161036  Cerastium arvense Joseph P. Tracy 1909-8-1 3067 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC384903  Cerastium arvense Alice Eastwood; John Thomas Howell 1937-6-24 4862 Humboldt Road to Horse Mt. Comment
  HSC45053  Cerastium arvense R. Sutherland 1978-4-24 11 .24478 Humboldt Kinsey Ridge, gravel slide of road cut 323 Comment
  HSC39059  Cerastium glomeratum Thomas W. Nelson, Jane P. Nelson 1976-5-31 2645 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  HSC31650  Chamaecyparis lawsoniana Timothy B. Devine 1974-5-4 320 Humboldt 1/4 mi. N of junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC56952  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9456 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC8035  Chamaesyce maculata D. E. Anderson 1963-9-21 2840 Humboldt 0.5 mi E of Willow Creek Comment
  CAS-BOT-BC166043  Chamerion angustifolium subsp. circumvagum Carl B. Wolf 1927-8-22 767 Humboldt Big Lagoon Comment
  HSC48701  Chamerion angustifolium subsp. circumvagum Brad Klipfel 1973-7-31 258 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55266  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-8-2 12631 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC98016  Chamerion angustifolium subsp. circumvagum Cara Witte 2007-7-9 456 Humboldt Grouse Mtn.. FS Rd. 4N32. 1/4 mile S of intersection with 5N04 1466 Comment
  JEPS39308  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1927-7-3 12360 Humboldt Weott South Fork Eel River Comment
  JEPS39311  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1921-9-20 10654 Humboldt s Garberville; South Fork Eel River, Richardson Grove Comment
  POM182347  Cheilanthes gracillima Joseph P. Tracy 1912-7-26 3841 Humboldt Kneeland Prairie 762 Comment
  SEINET10479107  Chenopodium atrovirens Mary Susan Taylor 1982-10-24 Taylor 5178 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  RSA478451  Chenopodium botrys M. S. Jussel 1931-5-2 s.n. Humboldt Garberville. Comment
  UC55946  Chenopodium botrys J. P. Tracy 1902-8-10 1767 Humboldt Eel River Railroad Station Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC473032  Chenopodium macrospermum var. farinosum Edward Lee 1934-8-17 1151 Humboldt East shore of Big Lagoon, 35 miles N of Eureka 3 Comment
  CHSC76026  Chenopodium rubrum var. rubrum Vernon H. Oswald 1999-8-19 9834 Humboldt Coastal Strand. Clam Beach County Park on Hwy. 101 between Arcata and Trinidad. 6 Comment
  CAS-BOT-BC451388  Chimaphila menziesii S. Matthews; M. Goering; R. James 1985-5-10 060 Humboldt Gray Falls Campground 240 Comment
  HSC102564  Chimaphila umbellata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1551 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC54590  Chimaphila umbellata Overton, Butler 1979-7-24 9658 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC451499  Chimaphila umbellata Carl B. Wolf 1937-8-12 9209 Humboldt North Coast Range, South Fork Mt., 0.6 mi S of Blake Lookout 1676 Comment
  SBBG83414  Chimaphila umbellata R. Gankin 1965-8-5 546 Humboldt Kings Mtn Rd, 2.2 mi E of rd end, Pacific Range Wilderness Area Comment
  RSA467024  Chimaphila umbellata subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  JEPS37866  Chrysolepis chrysophylla var. chrysophylla W. L. Jepson 1902-6 2150 Humboldt near McKee's Comment
  UC672860  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1940-8-25 16715 Humboldt Bald Mountain 975 Comment
  JEPS49670  Chrysosplenium glechomifolium Joseph P. Tracy 1918-4-28 4888 Humboldt Northern Coast Ranges, at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UCD127358  Cicuta douglasii Bellue Goodwin 1932-9-28 s.n. Humboldt Arcata. Comment
  UC582530  Cirsium arvense Joseph P. Tracy 1933-8-13 12963 Humboldt Arcata Bottom 15 Comment
  HSC40131  Cirsium arvense Thomas W. Nelson, James Nelson 1976-7-28 3082 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  SEINET200853  Cirsium breweri Joseph P. Tracy 1924-7-6 6717 Humboldt Near Ruby Creek on the Willow Creek Hwy north coast ranges Comment
  SEINET11860324  Cirsium douglasii var. canescens H. E. Parks, Parks, S. T. 1947-1 24441 Humboldt South Fork Camp, Willow Creek Comment
  HSC93524  Cirsium douglasii var. douglasii Gordon Leppig 1998-6-1 879 Humboldt Horse Mtn., Titlow Hill Rd. 1220 Comment
  RSA0070608  Cirsium douglasii var. douglasii Thomas W. Nelson 1976-7-9 2987 Humboldt Along 1S07 just west of summit. 1585 Comment
  UCD18977  Cirsium douglasii var. douglasii J. M. Tucker 1948-9-3 1850 Humboldt on Horse Mountain at junction of road to Grouse Mountain and road to Horse Mountain Mine. 1463 Comment
  UC129605  Cirsium occidentale var. candidissimum Harley P. Chandler 1901-6-1 1490 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  CDA19782  Cirsium occidentale var. candidissimum J. Dolf 2001-9-6 PDR 069832 Humboldt Northern California; Vicinity of Honeydew. 0 Comment
  UCD148530  Cirsium occidentale var. venustum B. Villegas 1998-8-5 s.n. Humboldt near Berry Summit on Titlow Hill Road, 3.9 miles south of Highway 229. Comment
  CDA8376  Cirsium remotifolium David Juliano 2008-6-6 PDR# 1379441 Humboldt Friday Ridge Rd., 0 Comment
  CAS-BOT-BC228801  Cistanthe umbellata Doris K. Kildale 1925-8-17 1227 Humboldt Trinity Summit along summit near Ranger Station 1828 Comment
  UC183682  Clarkia amoena Joseph P. Tracy 1912-7-22 3790 Humboldt Table Bluff Northern Coast Region 60 Comment
  UC668237  Clarkia amoena subsp. amoena Joseph P. Tracy 1938-6-17 15957 Humboldt s of point Cape Mendocino (near ocean shore) 3 Comment
  JEPS43549  Clarkia amoena subsp. amoena W. L. Jepson 1902-8-3 2141 Humboldt near Capetwon; Bear River 182 Comment
  HSC16234  Clarkia amoena subsp. huntiana S. V. Thompson 1967-7-23 11 Humboldt Near Mad River Bridge Comment
  HSC38460  Clarkia davyi A. Montalvo 1975-5-24 270 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  CAS-BOT-BC164595  Clarkia gracilis subsp. gracilis Alice Eastwood; John Thomas Howell 1937-6-23 4802 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC164594  Clarkia gracilis subsp. gracilis S. K. Harris; J. P. Tracy 1936-6-10 3261 Humboldt On hills west of the South Fork of the Trinity River near its mouth 640 Comment
  UC594153  Clarkia gracilis subsp. gracilis S. K. Harris, J. P. Tracy 1936-6-10 3261 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  JEPS43554  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1932-8-8 16490 Humboldt below Chaney Ranch; Grasshopper Peak 822 Comment
  HSC54010  Clarkia rhomboidea Griswold, Butler 1979-7-10 7136 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  CAS-BOT-BC439123  Claytonia exigua subsp. exigua Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC67184  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5435 Humboldt Along E side of Red Mtn. 1372 Comment
  HSC24076  Claytonia lanceolata J. O. Sawyer 1971-6-15 2385 Humboldt S of Trinity Summit Station 1829 Comment
  SEINET200317 Image available Claytonia lanceolata Joseph P. Tracy 1932-7-15 10594 Humboldt Trinity Summit. Ridges east of Corral Prairie 1830 Comment
Read comments
Nov 24 2014
  CAS-BOT-BC439932  Claytonia perfoliata subsp. mexicana C. E. Fellows 1972-4-29 480 C Humboldt Ca. 8 miles ESE of Eureka. 3.1 miles above the town of Freshwater on the W side of the road to Kneeland. Ca. 20 m below the road (and the dump) 609 Comment
  HSC101983  Claytonia rubra M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 880 Humboldt Patterson Meadows 1566 Comment
  HSC48832  Claytonia rubra subsp. rubra Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 44 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC89441  Claytonia sibirica P. A. Daly 1985-5-3 36 Humboldt Trinidad Head 61 Comment
  CAS-BOT-BC443903  Claytonia sibirica A. A. Heller 1937-6-10 16274 Humboldt At Bishop Pine Lodge, 3 miles north of Trinidad on U. S. Highway #101. Comment
  SEINET11931359  Claytonia sibirica Unknown 1977-1 2 Humboldt S end of Patricks Point State Park, ca 0.2 km W of hwy 101 & 5 km N of Trinidad 200 Comment
  UCD100884  Claytonia sibirica Joseph M. DiTomaso 1976-3-28 355 Humboldt Highway 299 near summit, 8 miles west of Willow Creek. Comment
  HSC14390  Clinopodium douglasii S. V. Thompson 1967-7-24 21 Humboldt Back from beach Comment
  CHSC3493  Clintonia andrewsiana Roger Jaegel 1966-5-8 151 Humboldt Located twenty-five miles southeast of Eureka, in Richardson's Grove Redwood Park. Comment
  HSC59739  Clintonia andrewsiana Clark L. Miller 1979-5-15 1132 Humboldt Jolly Giant Creek behind HSU dorms Comment
  JEPS55586  Clintonia andrewsiana W. Roderick and H. M. Beard 1960-5-29 Humboldt 7 road mi se of Carlotta Comment
  HSC74151  Clintonia uniflora Gail Newton 1980-7-20 1613 Humboldt Near Bell Swamps 1426 Comment
  UC41803  Collinsia grandiflora C. C. Marshall 1888-1 Humboldt unknown Comment
  JEPS6199  Collinsia linearis Joseph P. Tracy 1932-7-12 10439 Humboldt Corral Prairie, open places Corral Prairie; Trinity Summit 1584 Comment
  UC582455  Collinsia linearis Joseph P. Tracy 1936-6-10 14931 Humboldt South Fork of Trinity River, slopes w of its mouth South Fork of Trinity River 457 Comment
  CHSC57457  Collinsia parviflora L. P. Janeway 1984-6-23 896 Humboldt Titlow Hill. 1478 Comment
  HSC102619  Collinsia parviflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1606 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UCR45410  Collinsia parviflora Barry Silver 1986-4-23 535 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC39617  Collinsia parviflora Thomas W. Nelson, Jane P. Nelson 1976-6-15 2721 Humboldt Along old trail above Alder Springs 1585 Comment
  RSA505331  Collomia heterophylla Barbara Ertter, Thomas Delendick 1987-5-16 6944 Humboldt 3 miles E of Berry Summit on Hwy 299, 20 airmiles E of Arcata, near large volcanic rock on S side of road above Willow Creek. 800 Comment
Read comments
Feb 14 2007
  SBBG29130  Collomia heterophylla H. E. Parks -May-1933 1152 Humboldt Spruce Cove, Trinidad 76 Comment
  UC879765  Collomia heterophylla Elizabeth Parsons Hawver 1915-6-1 Humboldt Carlotta Comment
  HSC102099  Collomia tracyi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1002 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  JEPS26237  Collomia tracyi Joseph P. Tracy 1939-8-16 16420 Humboldt Grouse Mountain 1524 Comment
  UC978530  Collomia tracyi Joseph P. Tracy 1939-8-5 16373 Humboldt sand bars along river Van Duzen River, Dinsmore's 737 Comment
  HSC8636  Conium maculatum J. R. Lippincott 1967-7-16 12 Humboldt 1 mi S of Blue Lake on West End Rd. Comment
  JEPS47868  Convolvulus arvensis Lincoln Constance 1934-5-27 692 Humboldt Dyerville Bridge South Fork Eel River, Bull Creek Region (gravel bar of river at s end) 45 Comment
  UC1123583  Convolvulus arvensis H. L. Person 1932-8-1 Humboldt Korbel Eureka Quadrangle Comment
  HSC37972  Conyza canadensis Peter Sorensen 1976-7-15 Humboldt Woodley Island Comment
  UC165072  Conyza canadensis Joseph P. Tracy 1908-7-1 2908 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  CAS-BOT-BC181556  Coptis laciniata Charlotte M. Hoak 1931-7-12 s.n. Humboldt Noyo, Northspur, 2nd bench back, southern limit Prairie Camp Comment
  HSC45237  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3516 Humboldt Trail above Alder Springs 1585 Comment
  HSC97979  Corallorhiza mertensiana Cara Witte 2007-7-8 428 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  HSC16581  Corallorhiza mertensiana D. E. Anderson 1965-6-1 3781 Humboldt Near Brush Mtn. lookout 1189 Comment
  SEINET200684 Image available Corallorhiza striata var. striata Joseph P. Tracy 1913-6-14 4131 Humboldt Lower foothills of Buck Mountain, on its northwest slope 762 Comment
  POM21053  Cordylanthus pilosus subsp. pilosus L. R. Abrams 1916-7-22 6158 Humboldt Between Little and Big Van Druzen River - Eureka - Red Bluff Road. Comment
  UC1196817  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1935-7-30 14354 Humboldt Salmon Summit 1767 Comment
  UC604676  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1938-8-14 16118 Humboldt mt. slopes w mouth of river; South Fork of Trinity River 304 Comment
  CAS-BOT-BC101145  Corethrogyne filaginifolia Joseph P. Tracy 1936-8-17 15157 Humboldt Arcata Bottom 15 Comment
  HSC5415  Corethrogyne filaginifolia D. E. Anderson 1963-5-25 2494 Humboldt 4 mi. W of Petrolia Comment
  RSA47113  Corethrogyne filaginifolia var. californica Doris K. Kildale 1925-7-26 1066 Humboldt Mad River near Blue Lake Comment
  RSA0019573  Cornus Doris K. Kildale 1937-8-29 15350 Humboldt Dinsmore's. Comment
  HSC6407  Cornus nuttallii Jack Rockwell 1962-4-29 43 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  UCD117252  Cornus nuttallii Joseph P. Tracy 1950-10-7 19384 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC102041  Cornus sericea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 944 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  UC668297  Cornus sericea subsp. sericea Joseph P. Tracy 1933-6-7 12519 Humboldt on Van Duzen R. Blue Slide 91 Comment
  CAS-BOT-BC210542  Cornus sessilis Carl B. Wolf 1941-2-28 9971 Humboldt Junction of Willow Creek & its e. fork 457 Comment
  UC176170  Corylus californica Joseph P. Tracy 1912-3-3 3560 Humboldt on West place, between Eureka and Fields Landing Northern Coast Region 0 Comment
  RSA697176  Corylus rostrata var. californica J. R. Bruff 1937-8-17 918 Humboldt Richardson Grove. Comment
  RSA246787  Cotula coronopifolia R. F. Thorne, Percy C. Everett 1965-8-8 35272 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  UCD130911  Cotula coronopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-3 1163 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  CAS-BOT-BC291481  Crepis capillaris E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  CAS-BOT-BC291489  Crepis capillaris David D. Keck; J. Clausen 1935-6-16 3396 Humboldt Just south of Trinidad Comment
  RSA28654  Crepis capillaris H. E. Parks 1941-08 24189 Humboldt Roadsides and fields, vicinity of Trinidad Comment
  RSA43684  Crepis setosa H. M. Pollard 1948-8-8 s.n. Humboldt Roadside between Orleans and Camp Creek Comment
  UC1225821  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek; near mouth 152 Comment
  HSC100428  Crocidium multicaule Carl C. Marshall Apr 1887 366 Humboldt Hoopa Valley, near Supply Creek. Comment
  HSC49085  Crocosmia X crocosmiiflora Patricia Shesgreen 1978-8-5 131 Humboldt Arcata, on Spring St. between 16th and 17th Sts. Comment
  SEINET10578683  Croton setiger Daniel K. Harder 1994-10-4 Harder 2495 Humboldt Ca. 6 km W/SW of Fort Seward along Fort Seward Road along middle ridge (near powerlines), collections from rock outcrops in cattle pasture with islands of redwoods and Umbellaria; near small spring in hillside. 570 Comment
  HSC40818  Cryptantha affinis Thomas W. Nelson, Jane P. Nelson 1976-6-22 2851 Humboldt Along road to Goat Hill at spring. 1646 Comment
  HSC78612  Cryptantha leiocarpa L. P. Janeway, Amy Eisenberg 1984-4-24 743 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven Rds. and E of the Willow patch 3 Comment
  UC673225  Cryptantha milobakeri Lincoln Constance and Reed C. Rollins 1942-5-11 2878 Humboldt 5 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  UC525609  Cryptantha torreyana Joseph P. Tracy 1933-7-25 12865 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC79506  Cryptantha torreyana J. W. Blankinship 1893-6-29 Humboldt Eel River Comment
  HSC74324  Cryptogramma acrostichoides Gail Newton 1980-7-23 1734 Humboldt Near Packsaddle Ridge 1463 Comment
  SEINET11719535  Cryptogramma acrostichoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -317 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  UC162944  Cupressus lawsoniana Joseph P. Tracy 1911-7-6 3341 Humboldt mountain slopes along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC6391  Cuscuta californica J. P. Tracy 1930-8-17 9160 Humboldt Big Lagoon 3 Comment
  UC1197868  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18409 Humboldt Mud Springs Trinity Summit 1341 Comment
  JEPS93172  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
  HSC3642  Cynoglossum grande Francis Winter 1960-4-23 Humboldt 1.5 mi. E of Korbel, on Korbel-Maple Creek Rd. 61 Comment
  HSC74112  Cynoglossum grande R. York 1980-5-23 634 Humboldt Near Buck Mtn. 1524 Comment
  UC1239625  Cynoglossum grande Joseph P. Tracy 1933-6-13 12564 Humboldt near summit on rd. from Hoopa westward to Bair's (Hoopa Mt.); Hoopa Mt. 1066 Comment
  SACT000843  Cynosurus cristatus Malcolm Nobs, S. Smith 1949-8-3 Humboldt Marsh and bog land at the southern outskirts of Eureka. Comment
  CAS-BOT-BC190376  Cynosurus echinatus David D. Keck 1948-7-1 5977 Humboldt Northeast end of Big Lagood [Lagoon]. Comment
  CAS-BOT-BC190425  Cynosurus echinatus Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  HSC65448  Cynosurus echinatus J. P. Smith 1973-5-26 6795 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC9520  Cynosurus echinatus True Hoyle 1967-7-24 29067 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 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
  SEINET200970  Cyperus melanostachyus Joseph P. Tracy 1920-8-15 5383 Humboldt Klamath River at Bluff Creek. 152 Comment
  UC1103640  Cyperus squarrosus Joseph P. Tracy 1930-10-19 9230 Humboldt Alton to Fortuna; Eel R. 15 Comment
  HSC98541  Cystopteris fragilis Cara Witte 2008-6-9 704 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1418 Comment
  CHSC110734  Cytisus scoparius Dean Wm. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm, vicinity of the road crossing of Knack Creek 341 Comment
  HSC14670  Cytisus scoparius S. J. Hawks 1965-4-6 21 Humboldt Luffenholtz Beach Comment
  HSC58538  Dactylis glomerata Overton, Butler 1979-7-23 9462 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  HSC70783  Dactylis glomerata Gail Newton 1980-7-23 1749 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC89495  Dactylis glomerata P. A. Daly 1986-2-23 54 Humboldt Trinidad Head 61 Comment
  UCSC000025  Dactylis glomerata H. S. Yates 1936-6-23 5852 Humboldt 2 miles E. of the Mad River Mad River - Eureka 30 Comment
  SBBG34665  Dactylis glomerata T. L. Secrest 1948-6-29 Humboldt southern Humboldt County [no specific locality] Comment
  SEINET3128860  Danthonia californica J. B. Davy 1899-5-25 5056 Humboldt Ukiah Comment
Read comments
Dec 29 2015
  UC1152022  Danthonia californica Joseph P. Tracy 1951-6-26 19572 Humboldt Snow Camp and Twin Lakes vicinity Comment
  UC1056068  Danthonia californica var. americana J. I. Mallory 1955-6-7 112 Humboldt Luke Prairie Quad 29-B-3 (n end) 350 Comment
  UCD60528  Danthonia californica var. americana R. Tofsrud 1948-7-28 s.n. Humboldt Scotia, south edge of town. Comment
  CAS-BOT-BC420357  Darmera peltata Doris K. Kildale 1928-6-24 5247 Humboldt Redwood Creek at Berry's Comment
  JEPS45729  Datisca glomerata Lincoln Constance 1934-6-11 857 Humboldt along South Fork Eel River, N. Dyerville Flat South Fork Eel River; Bull Creek Region, South Fork Eel River Comment
  HSC43840  Daucus pusillus Maralyn O'Meara 1974-6-2 496 Humboldt South spit to Humboldt Bay Comment
  RSA296790  Daucus pusillus J. P. Smith, T. Nelson 1977-6-30 s.n. Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC1196318  Delphinium decorum subsp. decorum Joseph P. Tracy 1914-5-3 4418 Humboldt bluff s of Bucksport (vicinity of Eureka); Northern Coast Region 0 Comment
  HSC92103  Delphinium decorum subsp. tracyi S. Morrissette, J. Williams, K. Kopper 1994-5-6 50 Humboldt 0.4 mi. S of Hwy. 299 on Titlow Rd. 854 Comment
  UC249648  Delphinium decorum subsp. tracyi Joseph P. Tracy 1922-6-5 6082 Humboldt slopes at head of creek Northern Coast Ranges, South Yager Creek 762 Comment
  CAS-BOT-BC10313  Delphinium hesperium LeRoy Abrams 1916-7-11 6000 Humboldt Between Blacksberg and Bridgeville Comment
  JEPS60600  Delphinium nudicaule Lincoln Constance 1934-6-15 881 Humboldt Grasshopper Peak Bull Creek Region, South Fork Eel River (summit) 975 Comment
  HSC32304  Delphinium nuttallianum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5650 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC48769  Delphinium nuttallianum Brad Klipfel 1973-6-10 49 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC74385  Delphinium nuttallianum M. A. Baker 1980-6-28 2471 Humboldt Near Mad River Buttes 1445 Comment
  UC160932  Delphinium trolliifolium Joseph P. Tracy 1906-4-8 2400 Humboldt s side of bluff near Singley's Ferry; Northern Coast Ranges, Table Bluff 91 Comment
  SEINET879526  Dentaria integrifolia J. P. Tracy 1921-1 5426 Humboldt Blue Slide, on Van Duzen River. 91 Comment
  OBI36621  Deschampsia cespitosa David J. Keil 1983-7-2 17301 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard Comment
  CAS-BOT-BC194296  Deschampsia cespitosa subsp. cespitosa Joseph P. Tracy 1904-7-31 2129 Humboldt Eureka 60 Comment
  CAS-BOT-BC192703  Deschampsia danthonioides Joseph P. Tracy 1935-6-23 13969 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC201777  Deschampsia elongata Joseph P. Tracy 1932-7-14 10552 Humboldt At Corral Prairie 1524 Comment
  CAS-BOT-BC201778  Deschampsia elongata Doris K. Kildale 1928-7-1 5309 Humboldt French Camp - Bald Hills - Orick - Martin's ferry road Comment
  RSA256709  Deschampsia elongata D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-17 5712 Humboldt Mc Keown Ranch North of Dinsmore Comment
  HSC76359  Dicentra formosa Denis Kearns 1981-7-8 164 Humboldt Near Bluff Creek 622 Comment
  BLMAR618  Dicentra formosa Jennifer Wheeler 2011-5-23 618 Humboldt Lacks Creek, Bair Rd. about one mile from Hwy. 299 426 Comment
  RSA152289  Dichanthelium acuminatum var. fasciculatum Joseph P. Tracy 1942-7-18 17286 Humboldt 1/2 mile N. E of Garberville 30 Comment
  HSC3004  Dichelostemma capitatum subsp. capitatum Elrid H. Spinas 1948-5-15 22 Humboldt Horse Mtn. Comment
  RSA167425  Dichelostemma capitatum subsp. capitatum Joseph P. Tracy 1951-5-20 19404 Humboldt Near the rockpile toward Ashfield Buttem Kneeland Prairie. Comment
  HSC102206  Dichelostemma ida-maia M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1121 Humboldt Andy's Camp 1564 Comment
  SEINET202731  Dichelostemma ida-maia Joseph P. Tracy, A. H. Murphy 1951-6-26 19568 Humboldt Vicinity of Twin Lakes and Snow Camp. Comment
  UC1198180  Dichelostemma ida-maia Joseph P. Tracy 1948-9-5 18187 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  SEINET12059401  Dichelostemma ida-maia K. S. Erdman 1970-6-17 4765 Humboldt S slopes of Schoolhouse Peak on Bald Hills Road about 16 mi S of Orick 914 Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  UC535744  Digitalis purpurea Eleanor Armstrong 1174 Humboldt Richardson Grove Comment
  HSC44762  Digitalis purpurea Maralyn O'Meara 1972-6-8 95 Humboldt Along Bald Hills Rd., 8 mi. E of junction with Hwy. 101 Comment
  UC198610  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie Comment
  CAS-BOT-BC151742  Diplacus kelloggii Milo S. Baker 1925-4-7 241 a Humboldt Blue Lake Comment
  CHSC94953  Disporum smithii K. Lang; J. Lang 2005-3-16 25 Humboldt Trinidad, N. California coast. 51 Comment
  UC146140  Disporum smithii Joseph P. Tracy 1908-6 2867 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 304 Comment
  HSC2192  Distichlis spicata J. P. Tracy 1933-8-22 12989 Humboldt Mouth of Eel River. 3 Comment
  UC595125  Distichlis spicata David D. Keck 1938-8-5 4769 Humboldt Big Lagoon Comment
  CHSC24852  Dodecatheon hendersonii A. D. Launer 1976-4-10 2 Humboldt On s bank of Conley Cr, 100 yds n of forks of Conley Cr, ca. 1.5 mi e of Church St. in Blocksburg. 487 Comment
  UC562750  Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt in cold wet meadow near High Prairie (Bald Mountain); Northern Coast Ranges, , nr High Prairie 1066 Comment
  UC1222159  Downingia yina Joseph P. Tracy 1951-6-21 19527 Humboldt back of Everett Beck house (formerly Geoge Gray's) (on ranch at Hydesville, bed of former Goose Lake); Goose Lake, Hydesville Comment
  HSC99662  Drosera rotundifolia Gordon Leppig 1997-6-19 451 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UCSB26681  Drosera rotundifolia Havlik, Neil 1968-8-21 Humboldt South end of Big Lagoon; north of Trinidad Comment
  HSC59622  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-6-30 4148 Humboldt Comment
  CAS-BOT-BC159617  Drymocallis glandulosa var. glandulosa Joseph P. Tracy 1935-5-25 13899 Humboldt Dobbyn Creek 152 Comment
  HSC34912  Drymocallis glandulosa var. glandulosa Thomas W. Nelson 1975-5-24 53 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC492180  Drymocallis rhomboidea Joseph P. Tracy 1927-5-14 8002 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC428054  Dudleya cymosa subsp. cymosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC428055  Dudleya cymosa subsp. cymosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC428296  Dudleya farinosa A. A. Heller 1924-7-25 13886 Humboldt At Agate Beach near Trinidad. Comment
  CAS-BOT-BC113802  Dulichium arundinaceum Joseph Prince Tracy 1938-9-25 16173 Humboldt Dense masses in shallow water, Bald Mountain, at Lake Prairie. 1066 Comment
  UC666920  Eleocharis bella Joseph P. Tracy 1935-7-17 14108 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC90658  Eleocharis macrostachya Gail Newton 1982-6-10 3640 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1103655  Eleocharis macrostachya Joseph P. Tracy 1935-8-25 14750 Humboldt Stone Lagoon 3 Comment
  CAS-BOT-BC112839  Eleocharis macrostachya David Daniels Keck 1938-8-5 4768 Humboldt Big Lagoon, on shore in drying clay mud. Comment
  UCD49784  Eleocharis macrostachya Linda M. Barker 1976-6-22 1621 Humboldt Coastal forest and dunes 3 miles west of Arcata, Humboldt Co., California. Comment
  HSC96491  Eleocharis pachycarpa Gordon Leppig 1998-7-19 979 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  POM87948  Eleocharis palustris Le Roy Abrams 8267 Humboldt Big Lagoon, south of Orick. Comment
  HSC77865  Eleocharis parvula L. J. Heflin 1984-5-13 5 Humboldt Hauser Marsh Comment
  HSC62866  Elodea canadensis J. M. DiTomaso 1979-5-16 1016 Humboldt Pond below Fern Lake just E of gymnasium on Humboldt State University campus, Arcata. Comment
  HSC58674  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12153 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UCD61827  Elymus glaucus J. I. Mallory 1955-6-7 113 Humboldt North end of Luke Prairie. California Forest and Range Experiment Station. 350 Comment
  HSC97925  Elymus glaucus subsp. glaucus Cara Witte 2007-6-14 277 Humboldt Along National Forest 1. Near Kinsey Ridge. 2 miles north of intersection with 4N06. 1319 Comment
  HSC99017  Elymus lanceolatus subsp. lanceolatus Cara Witte 2008-7-14 893 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. At end of the road. 1407 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
  HSC73480  Elymus multisetus Gail Newton 1980-7-11 1327 Humboldt Near Red Mtn. 1341 Comment
  CAS-BOT-BC204330  Elymus trachycaulus subsp. trachycaulus David D. Keck 1948-7-1 5969 Humboldt South side of Big Lagoon Comment
  HSC33187  Empetrum nigrum Gary S. Lester, Linda M. Barker 1975-3-29 600 Humboldt Elk Head, N of Trinidad Head 15 Comment
  POM225520  Epilobium brachycarpum P. A. Munz 1936-8-13 14381 Humboldt 10 miles west of Willow Creek. Comment
  UC146118  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1902-7-20 1752 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1951302  Epilobium ciliatum subsp. glandulosum Robert F. Thorne and P. Everett 1965-8-9 35347 Humboldt along Hwy. 101 about 3 mi. N of Eureka. Comment
  POM89782  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1919-9-18 5225 Humboldt Northern Coast Ranges: Trinity Summit 1890 Comment
  HSC16367  Epilobium ciliatum subsp. watsonii J. P. Tracy 1926-7-25 7756 Humboldt Big Lagoon Comment
  UC562505  Epilobium ciliatum subsp. watsonii Joseph P. Tracy 1936-8-17 15153 Humboldt near Field's Landing (borders of pond) 6 Comment
  UC161070  Epilobium densiflorum Joseph P. Tracy 1911-7-8 3475 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  JEPS31500  Epilobium foliosum Joseph P. Tracy 1939-5-30 16302 Humboldt Dinsmore's Ranch Northern Coast Ranges, Van Duzen River (opposite Buck Mountain) 670 Comment
  RSA181880  Epilobium foliosum Joseph P. Tracy 1928-5-6 8430 Humboldt Northern Coast Ranges: Trinity River Valley, at Willow Creek 152 Comment
  UC1222845  Epilobium foliosum Joseph P. Tracy 1950-6-15 18808 Humboldt n Harris; Mail Ridge Comment
  HSC55113  Epilobium glaberrimum G. L. Clifton 1979-7-31 11868 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC562506  Epilobium hallianum Joseph P. Tracy 1935-5-25 13852 Humboldt Fort Seward 106 Comment
  JEPS39329  Epilobium hallianum Joseph P. Tracy 1925-5-30 7046 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  UC1222850  Epilobium hallianum Joseph P. Tracy 1950-7-6 19015 Humboldt 3 mi s Burr Valley (w side of mt.); Buck Mountain 1158 Comment
  UC1197013  Epilobium hornemannii subsp. hornemannii Joseph P. Tracy 1932-7-17 10689 Humboldt head of Devil's Hole Klamath Mountains, Trinity Summit 1828 Comment
  HSC56400  Epilobium minutum Terry Griswold, Butler 1979-7-11 6984 Humboldt Near Snow Camp Lake, close to the town of Willow Creek 1393 Comment
  HSC64161  Epilobium minutum J. O. Sawyer, K. A. Sawyer 1979-6-24 3402 Humboldt Slopes alongside Aikens Creek. 366 Comment
  UC535752  Epilobium septentrionale Eleanor Armstrong 1934-8-15 1145 Humboldt Richardson Grove 121 Comment
  POM232041  Epipactis gigantea I. L. Wiggins 1930-7-8 4677 Humboldt Sandstone cliffs along the Eel River, near Scotia Comment
  UC902051  Epipactis gigantea Joseph P. Tracy 1949-7-7 18335 Humboldt Blue Slide Van Duzen River 91 Comment
  HSC46006  Equisetum hyemale subsp. affine J. P. Smith 1971-10-9 4996 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  UC549763  Equisetum hyemale subsp. affine Joseph P. Tracy 1933-6-6 12506 Humboldt Trinidad; Northern Coast Region 60 Comment
  UC667935  Equisetum hyemale subsp. affine Joseph P. Tracy 1928-6-17 8456 Humboldt at Willow Creek Trinity River Valley Comment
  RSA638987  Erechtites glomeratus R. F. Thorne, Percy C. Everett 1965-8-8 35239 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UC1198997  Eremocarpus setiger Joseph P. Tracy 1948-9-20 18219 Humboldt Hoopa Valley 121 Comment
  UC581773  Ericameria nauseosa var. speciosa Joseph P. Tracy 1933-8-30 13005 Humboldt Horse Mountain 1310 Comment
  HSC56372  Erigeron aliceae Griswold, Butler 1979-7-11 6395 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  UC1223141  Erigeron foliosus var. confinis Joseph P. Tracy 1947-7-5 17785 Humboldt Ridge top, 1 mi w Mud Springs; Trinity Summit Comment
  UC468817  Erigeron foliosus var. confinis Joseph Burtt Davy and Walter C. Blasdale Jun 20 1899-Jan 1 1900 5713 Humboldt Hoopa Valley North-Western California, Mendocino Comment
  CAS-BOT-BC300679  Erigeron foliosus var. mendocinus Carl Purdy 1938-1-1 s.n. Humboldt Van Duzen River Comment
  UCD132006  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC1557909  Erigeron glaucus J. Semple and S. Heard 1986-8-17 8501 Humboldt off US 101 just s Little River State Beach; Clam Beach County Park Comment
  CAS-BOT-BC295172  Erigeron inornatus Joseph P. Tracy 1933-8-6 12935 Humboldt French Camp Ridge 1066 Comment
  UC581715  Erigeron inornatus var. inornatus Joseph P. Tracy 1933-8-6 12935 Humboldt French Camp Ridge 1066 Comment
  UC581716  Erigeron inornatus var. inornatus Joseph P. Tracy 1933-7-26 12917 Humboldt Grouse Mountain 1630 Comment
  HSC79512  Erigeron philadelphicus Kenneth Clark 1980-6-14 697 Humboldt Shelter Cove; in stream alluvium of N fork of Dead Man's Gulch 198 Comment
  JEPS21941  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1936-6-17 14963 Humboldt on nw slope Buck Mountain (Burr Valley); Northern Coast Ranges, , Burr Valley 1066 Comment
  UC1223135  Erigeron strigosus var. strigosus Joseph P. Tracy 1950-7-15 19046 Humboldt 1 mi n of mouth Willow Creek; Trinity River Comment
  UC31538  Erigeron supplex H. N. Bolander 1863-1 4754 Humboldt Comment
Read comments
Feb 20 2007
  CAS-BOT-BC224259  Eriodictyon californicum P. C. Everett; E. K. Balls 1959-10-24 23953 Humboldt 2.8 mi. sw. from Siskiyou-Humboldt Co. line, Somesbar to Orleans 198 Comment
  RSA802617  Eriogonum J. R. Bruff 1937-8-17 929 Humboldt Richardson Grove, bed of Eel River. Comment
  RSA0065545  Eriogonum baileyi Marion P. Harthill 1971-9-8 571 Humboldt Walker River, Toiyabe National Forest, Lower Campgrounds. Comment
  CAS-BOT-BC259265  Eriogonum latifolium Doris K. Kildale 1927-7-1 3621 Humboldt Alton Hill 30 Comment
  POM165314  Eriogonum latifolium L. R. Abrams 1916-7-18 6087 Humboldt Arcata to Trinidad. Comment
  RSA667221  Eriogonum latifolium George K. Helmkamp, E. A. Helmkamp 2001-7-8 7016 Humboldt North coast: Samoa Peninsula, 2.6 miles S of CA-255 bridge across Humboldt Bay. 15 Comment
  RSA393624  Eriogonum latifolium E. A. Purer 1932-7-27 4149 Humboldt Near Samoa, near Arcata Comment
  CAS-BOT-BC259536  Eriogonum luteolum var. luteolum Milo S. Baker 1927-8-14 2435 a Humboldt Near Summit of ridge West of Bull Creek Comment
  UC1198108  Eriogonum luteolum var. luteolum Joseph P. Tracy 1930-8-3 9142 Humboldt along Van Duzen River opposite Buck Mountain; Van Duzen River 762 Comment
  UC672904  Eriogonum nudum var. nudum Joseph P. Tracy 1932-7-20 10728 Humboldt open places at Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  UC162628  Eriogonum nudum var. nudum Joseph P. Tracy 1911-7-4 3294 Humboldt along Willow Creek, near its mouth N. Coast Ranges, Willow Creek (Tributary of Trinity River) 243 Comment
  CAS-BOT-BC261721  Eriogonum nudum var. oblongifolium A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie Comment
  CAS-BOT-BC261729  Eriogonum nudum var. oblongifolium Alice Eastwood 1923-8-16 12328 Humboldt Carlotta Comment
  UC479118  Eriogonum nudum var. oblongifolium Marcus E. Jones, A. M. 1931-7-12 28806 Humboldt Alton Comment
  RSA178550  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1950-9-22 19373 Humboldt Slate Creek (Klamath River trip to Orleans.) Comment
  SD22520  Eriogonum nudum var. oblongifolium Susan G. Stokes 1932-7-13 Humboldt From Garberville to Eureka Comment
  UC55394  Eriogonum umbellatum var. dumosum P. E. Goddard 1901-7-10 55 Humboldt Hupa Comment
  CAS-BOT-BC301010  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-11 6065 Humboldt Mouth of Grizzly Creek on Van Duzon [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
  UC582677  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1936-6-10 14929 Humboldt mountain slopes w of mouth South Fork Trinity River 457 Comment
  UC129578  Eriophyllum lanatum var. arachnoideum Joseph Burtt Davy and Walter C. Blasdale Jun 16 1899-Jan 1 1900 5563 Humboldt Alton North-Western California, Alton Comment
  HSC97629  Eriophyllum lanatum var. grandiflorum Cara Witte 2007-6-4 205 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  POM288401  Eriophyllum lanatum var. grandiflorum Lyman Benson 1929-7-19 1862 Humboldt Dyerville to Matole River. Comment
  UCR39816  Erodium botrys L. P. Janeway 1984-5-13 771 Humboldt Kneeland/Bridgefield Road c. 5 mi. east of the Kneeland Post Office 762 Comment
  SEINET10970607  Erysimum capitatum Jones 1985-6-6 Jones 115 Humboldt T34n,r4e,sec.14. Titlow rd. Ca 8 miles s off hwy. Pinus, arbutus, quercus Chrysolepis, quercus vaccinifolia habitat. Growing on rock wall 1143 Comment
  HSC45085  Erysimum capitatum var. capitatum R. Sutherland 1978-4-23 16 .23478 Humboldt Kinsey (Fraser) Ridge near head 732 Comment
  HSC64123  Erysimum capitatum var. capitatum J. P. Smith 1973-5-26 6791 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC6759  Erysimum capitatum var. capitatum Francis Winter 1960-4-24 Humboldt 2 mi. NW of Sugar Pine Mtn., hilltop 915 Comment
  HSC97239  Erysimum menziesii Thomas W. Nelson, James Nelson 2004-4-8 9181 Humboldt W and S of the mouth of Elk River. 1 Comment
  JEPS53543  Erysimum menziesii Joseph P. Tracy 1906-5-13 2452 Humboldt sand dunes of ocean beach Northern Coast Region, Humboldt Bay Comment
  UC1034752  Erysimum menziesii G. B. Rossbach 1955-6-10 596 Humboldt depression in coastal dunes near Humboldt Bay lighthouse (betw. Fairhaven and end of sandy point off Eureka) Comment
  UC201391  Erythronium californicum Joseph P. Tracy 1918-5-1 4897 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC3606  Erythronium californicum C. C. Marshall April, 1888 Humboldt Hoopa Valley Comment
  HSC97457  Erythronium californicum C. Witte 2007-5-17 26 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  HSC15487  Erythronium citrinum var. citrinum R. A. Rasp 1964-4-5 29 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  HSC104352  Erythronium oregonum Maralyn Renner, Humboldt Redwood Co., LLC 2007-4-27 Humboldt Fruitland Ridge junction with Eel Rock Road. Comment
  HSC76043  Eucephalus glabratus Overton, Butler 1979-8-2 12568 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1222991 Image available Eucephalus tomentellus Joseph P. Tracy 1941-8-24 17043 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC205151  Eucephalus tomentellus Joseph P. Tracy 1919-9-27 5304 Humboldt Mountain slopes along road between three Creeks and mouth of Willow Creek Willow Creek 914 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
  HSC102563  Euonymus occidentalis var. occidentalis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1550 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1198985  Euphorbia crenulata Joseph P. Tracy 1928-2-26 8396 Humboldt near Centerville (at Fleener's Gulch); Northern Coast Ranges 30 Comment
  NY263154  Euphorbia occidentalis V. K. Chesnut 1888-7-23 Humboldt Hy-Am-Pum (spelling?) Comment
  UC302052  Euphorbia peplus Joseph P. Tracy 1926-5-15 7473 Humboldt Eureka; North Coast Ranges 0 Comment
  UC668186  Euphorbia spathulata Joseph P. Tracy 1927-7-4 8226 Humboldt Kneeland Prairie 762 Comment
  HSC96650  Euthamia occidentalis Thomas W. Nelson, Dick Brummitt, Barbara Ertter 2004-7-4 9282 Humboldt Trinity River Bar down stream from the mouth of Willow Creek 152 Comment
  HSC74274  Festuca californica M. A. Baker 1980-5-23 1382 Humboldt Near Buck Mtn. 1524 Comment
  UCD65873  Festuca californica subsp. californica R. Tofsrud 1947-7-1 203 Humboldt Between Alder Point and Zinea. Comment
  UC70827  Festuca idahoensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5676 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC278814  Festuca occidentalis Alice Eastwood; John Thomas Howell 1937-6-22 4713 Humboldt Near Harris Comment
  SEINET175520 Image available Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River near Bridgeville Comment
  UC38489  Festuca occidentalis Harley P. Chandler Jun 1901 1474 Humboldt Klamath River North Coast Ranges Comment
  RSA10070  Festuca rubra Joseph P. Tracy 1927-6-26 8217 Humboldt Stone Lagoon. Comment
  RSA126629  Festuca rubra H. S. Yates 1936-6-16 5670 Humboldt 1 mile NE of Samoa. 2 Comment
  HSC81919  Festuca subulata Thomas W. Nelson, Jane P. Nelson 1979-7-3 4968 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  POM126171  Festuca subulata Joseph P. Tracy 1903-5-23 1899 Humboldt Alder Point, on Eel River. 244 Comment
  UCD66490  Festuca subuliflora R. Tofsrud 1949-7-1 Humboldt On road from Scotia to Capetown. Comment
  HSC27562  Fragaria X ananassa J. D. Ackerman, A. M. Montalvo 1973-3-27 39 Humboldt 1.5 mi. N of Manila Comment
  CHSC13615  Fragaria chiloensis C. Eiser 1974-4-10 22 Humboldt Along coast, between Orick and Prairie Creek. Redwoods State Park, on bluffs overlooking ocean. Comment
  CHSC27897  Fragaria chiloensis Phil Blumert 1978-3-25 1 Humboldt Along beaches, ca. 100 m w of intersection of 'C' Rd and Ocean View Drive, Patrick's Point 5 km n of Trinidad. Comment
  HSC95822  Fragaria chiloensis Steven Lee 2004-3-23 5 Humboldt Manila Dunes, Vera Ln. Dune Community Comment
  RSA296728  Fragaria chiloensis J. P. Smith 1977-6-30 9205 Humboldt Samoa Peninsula just east of the drag strip. Comment
  HSC18611  Fragaria vesca J. C. Reppas 1963-4-11 37 Humboldt 820 Fickle Hill Rd. Comment
  UC1198732  Fragaria vesca Joseph P. Tracy 1911-7-7 3430 Humboldt Brannan Mountain Northern Coast Ranges (viz ridge n of Willow Creek, between Willow Creek and Campbell Creek, near the summit) 1219 Comment
  CAS-BOT-BC457927  Fragaria vesca subsp. californica Doris Kildale Gillespie 1931-6-7 10643 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC457928  Fragaria vesca subsp. californica Doris Kildale Gillespie 1980-5-10 656 Humboldt Shelter Cove, At base of coastal bluffs of Western beach, Point Delgada; Coastal Marine Terrace & Coastal Bluff 4 Comment
  UCD113269  Fragaria virginiana Gunter Staudt; H. Ahmadi 1989-5-15 313 Humboldt North of Trinidad along Highway, near Seawood Drive exit. Comment
  CAS-BOT-BC52734  Frangula californica subsp. californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of South Fork of Trinity River, on road to Sandy Bar Swimming Hole 243 Comment
  UC14992  Fritillaria affinis J. P. Tracy 1901-4-26 1045 Humboldt immediate vicinity of Eureka (Humboldt Hill); Humboldt Hill 0 Comment
  RSA90637  Fritillaria affinis Ralph Lewis 1936-4-10 s.n. Humboldt Along Redwood Highway, first bridge south of Cummings Comment
  UC1197627  Fritillaria purdyi Joseph P. Tracy 1938-6-13 15918 Humboldt Grouse Mountain, at Cold Springs Cold Springs; Grouse Mountain, Cold Springs 1432 Comment
  SEINET4208042  Fumaria capreolata Richard R. Halse 2013-3-28 8767 Humboldt Eureka. By a Texaco station near 3543 Broadway St. (U.S. Hwy. 101); 0 6 Comment
  UC176062  Galium ambiguum subsp. ambiguum Joseph P. Tracy 1912-7-31 3913 Humboldt near summit Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC40954  Galium aparine Linda M. Barker 1976-6-14 1601 Humboldt 3 mi. W of Arcata Comment
  HSC96241  Galium aparine Kaylea Eickhoff, Cara M. Witte 2005-6-3 3 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1240 Comment
  HSC95390  Galium aparine Andrea Pickart 2002-7-21 188 Humboldt Along entrance to Lanphere Dunes at end of Lanphere Rd. Comment
  UC602547  Galium bifolium Joseph P. Tracy 1932-7-11 10407 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  HSC70981  Galium bolanderi Gail Newton 1980-7-22 1664 Humboldt Near Devils Backbone 1554 Comment
  JEPS6703  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  JEPS25701  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
  UC169072  Galium boreale subsp. septentrionale Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5883 Humboldt Trinity Summit North Coast Ranges Comment
  JEPS52855  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3864 Humboldt 4.2 mi e Garberville (on road to Harris, at crest of ridge) 640 Comment
  JEPS52865  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-7 3886 Humboldt 0.8 mi w Briceland (on road to Shelter Cove) Comment
  JEPS6692  Galium californicum subsp. californicum Joseph P. Tracy 1927-5-30 8085 Humboldt between Briceland and Redway 182 Comment
  SEINET10876857  Galium californicum subsp. californicum J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13009 Humboldt Leggett; Redwoods River Resort, 75000 Highway 101. Comment
  JEPS52840  Galium muricatum Lauramay T. Dempster 1963-9-3 3919 Humboldt s Orleans (steep w-facing slope of side canyon); Slate Creek Bridge 94 Comment
  SEINET12514834  Galium nuttallii B. D. Rogers, W. J. Ferlatte 1966-6-15 2092 Humboldt Near Bridge ville. Comment
  UC416659  Galium parisiense Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 B Humboldt summit North Coast Ranges, Hoopa Mtn. Range (between Hoopa Val. and Redwood Creek) Comment
  UC602541  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt below Bridgeville (on river); Northern Coast Ranges, Van Duzen River, Rogers Ranch 152 Comment
  UC1196082  Galium trifidum Joseph P. Tracy 1935-7-17 14098 Humboldt opposite mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley, Lack Pond 152 Comment
  UC76673  Galium trifidum var. pacificum Chesnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  HSC48679  Galium triflorum Brad Klipfel 1973-7-31 249 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58008  Galium triflorum G. L. Clifton 1979-7-31 11804 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1023846  Galium triflorum Milo S. Baker 1947-8-10 11903 Humboldt near end of Forest Rd from Hoopa toward Trinity Summit Comment
  UC562617  Gamochaeta ustulata Joseph P. Tracy 1936-8-23 15163 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  RSA296734  Gamochaeta ustulata J. P. Smith, Thomas W. Nelson 1977-6-30 9213 Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC906753  Garrya buxifolia Joseph P. Tracy 1947-7-9 17841 Humboldt Horse Mountain 1402 Comment
  HSC49918  Garrya elliptica Maralyn O'Meara 1973-2-19 191 Humboldt McKinleyville, Murray Rd. Comment
  HSC8386  Garrya elliptica L. Lankow 1968-11-17 Humboldt Patrick's Point State Park Comment
  HSC8397  Garrya fremontii J. P. Tracy 1935-7-14 14062 Humboldt Horse Mtn. 1433 Comment
  UCSB72519  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek, mostly within Hoppe Indian Reservation, upstream from Willow Village Comment
  UC1173684  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain, at Lake Prairie Bald Mountain; , Lake Prairie 1066 Comment
  HSC22501  Gaultheria shallon R. E. Thill 1965-4-27 20 Humboldt 1 mi. off Hwy. 299 on Essex Lane Rd. Comment
  HSC7807  Gaultheria shallon D. E. Anderson 1961-8-27 1758 Humboldt 8 mi. W of Redwood Creek Br. along Hwy. 299 Comment
  HSC89436  Gaultheria shallon P. A. Daly 1984-5-13 25 Humboldt Along trail/Rd. at Trinidad Head. 61 Comment
  UC527560  Gaultheria shallon C. B. Wolf 1931-8-29 Humboldt near summit of Orick Hill, on road to Weitchpec Orick Hill 304 Comment
  UCD20675  Gaultheria shallon A. T. Leiser 1980-7-9 s.n. Humboldt Humboldt County, North of Orick, Redwood National Park, Hwy 101 reroute, +- 1000' elevation. -304 Comment
  UCD20676  Gaultheria shallon A. T. Leiser 1980-7-8 s.n. Humboldt Humboldt County, Redwood National Park, Burm Creek. Comment
  JEPS66611  Gaultheria shallon W. L. Jepson 1902-6-29 1952 Humboldt Redwood Creek at Berry Ranch, (Expedition) from Ukiah to the Hupa Indian Reservation Redwood Creek; , Berry Ranch Comment
  SEINET11993510  Gaultheria shallon F. H. Utech 1986-1 86 -393 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  HSC76038  Gayophytum diffusum subsp. parviflorum Overton, Butler 1979-8-2 12582 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC505127  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9050 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC505121  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC202459  Gayophytum heterozygum Joseph P. Tracy 1919-9-18 5248 Humboldt Trinity Summit Northern Coast Ranges 1524 Comment
  UC144065  Gayophytum humile Joseph P. Tracy 1908-6 2688 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC144066  Gayophytum humile Joseph P. Tracy 1908-6 2845 Humboldt Buck Mountain Northern Coast Ranges (nw slope) 1219 Comment
  CAS-BOT-BC208036  Genista monspessulana Aven Nelson; Ruth A. Nelson 1933-5-15 580 Humboldt Redwood highway near Crescent City Comment
  JEPS47047  Gentiana affinis var. ovata W. L. Jepson 1902-8-1 2134 Humboldt Loleta 60 Comment
  RSA46856  Gentiana oregana Doris K. Kildale 1926-7-11 2370 Humboldt Bear River, ridge near Mt. Glen. Comment
  JEPS76806  Gentiana plurisetosa Theodore F. Niehaus 1972-8-29 935 Humboldt 0.25 to 0.50 e on right side (s) Trinity Summit Station old horse trail (directly e from crossing of new forest road at Crogan Creek, a tributary of upper Tish-Tang a Tang Creek); Salmon Mts. 1706 Comment
  CHSC115701  Gentiana sceptrum L. P. Janeway; B. Castro 2015-9-7 11855 Humboldt North Coast. Big Lagoon fen/bog; just off the southwest corner of Big Lagoon and draining into Big Lagoon. 3 Comment
  UC1541480  Gentiana sceptrum H. E. and S. T. Parks 1930-9-14 774 Humboldt Big Lagoon Comment
  HSC8453  Gentiana sceptrum D. E. Anderson 1961-9-9 1797 Humboldt Big Lagoon County Park Comment
  HSC8640  Geranium dissectum R. D. Modafferi 1965-5-13 103 Humboldt 2.3 mi. N of Trinidad on Trinity St. 305 Comment
  JEPS69517  Gilia capitata subsp. capitata Lincoln Constance 1934-5-23 621 Humboldt sw slope upper end Look Prairie (South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel River, Look Prairie 365 Comment
  CAS-BOT-BC225476  Gilia millefoliata Lewis S. Rose; John Thomas Howell; Gordon H. True 1972-6-5 48816 Humboldt Samoa 3 Comment
  HSC23827  Gilia millefoliata Tim Baroni 1971-6-26 64 Humboldt Out the Samoa Peninsula just opposite the Georgia Pacific pulp mill Comment
  HSC95545  Gilia millefoliata Andrea Pickart 2002-5-13 101 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC146177  Gilia millefoliata Joseph P. Tracy 1905-6-11 2190 Humboldt sandy soil at Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  UC921140  Gilia millefoliata Joseph P. Tracy 1948-6-12 18067 Humboldt sand dunes near Samoa (on Humboldt Bay); , near Samoa 6 Comment
  POM208979  Githopsis specularioides Lincoln Constance 1934-6-15 819 Humboldt Grasshopper Pk.; Bull Creek watershed, Humboldt Redwood Park. 976 Comment
  SEINET10464629  Githopsis specularioides Tracy 1903-5-23 TRACY 1906 Humboldt Alder Point, on Eel River 152 Comment
  UCD85114  Glyceria elata Harley P. Chandler 1901-6-1 1526 Humboldt North Coast Ranges. Klamath River. 426 Comment
  RSA152380  Glyceria occidentalis Joseph P. Tracy 1939-5-14 16286 Humboldt Dinsmore's along Van Duzen River, opposite Buck Mountain 762 Comment
  SEINET7292868 Image available Glyceria occidentalis Richard W. Pohl 1963-1 9450 Humboldt Korbel Comment
  CAS-BOT-BC282840  Glyceria striata H. P. Chandler 1901-6-1 1526 Humboldt Klamath River 426 Comment
  POM126108  Glyceria striata Joseph P. Tracy 1911-7-7 3372 Humboldt 3 miles northwest of junction of Willow Creek with Trinity River, and near Beebe's Ranch. 915 Comment
  HSC35784  Gnaphalium palustre Thomas W. Nelson, B. Reinhardt 1975-7-30 2100 Humboldt Road out Whiting Ridge 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
  HSC102549  Goodyera oblongifolia M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1537 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC29719  Goodyera oblongifolia J. D. Ackerman 1973-8-18 120 Humboldt 2 mi. N of Manila Comment
  HSC39104  Grindelia hirsutula J. D. Ackerman 1975-8-31 654 Humboldt Lanphere Rd., near Mad River Slough, Arcata Bottoms Comment
  JEPS94281  Grindelia hirsutula Vernon Oswald and Lowell Ahart 1997-9-4 8845 Humboldt Big Lagoon County Park at the sw edge of Big Lagoon Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  SBBG62631  Grindelia hirsutula R. Hartwell 1938-8-5 Humboldt Mattole Rd on coast between Capetown and Petrolia, along beach Comment
  RSA34050  Grindelia hirsutula var. davyi A. A. Heller 1923-7-7 13764 Humboldt Near the S fork of the Eel River, S of Garberville. Comment
  HSC100434  Grindelia robusta Carl C. Marshall Sep 1886 253 Humboldt Marshes. Comment
  HSC70454  Hackelia bella Gail Newton 1980-7-20 1610 Humboldt Near Bell Swamps 1426 Comment
  UC475986  Hackelia bella Joseph P. Tracy July 1930 9023 Humboldt South Fork Mountain Comment
  UC582618  Hackelia californica Joseph P. Tracy 1937-7-25 15548 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  HSC57669  Hackelia micrantha G. L. Clifton, Griswold 1979-7-25 10854 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC302441  Hazardia whitneyi var. discoidea Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC158026  Hedera helix Joseph P. Tracy 1939-1-22 16185 Humboldt Blue Slide on Van Duzen River 91 Comment
  CAS-BOT-BC306617  Helenium bigelovii Ira L. Wiggins 1930-7-8 4676 Humboldt Along the Eel River, near Scotia Comment
  CAS-BOT-BC306618  Helenium bigelovii Henry M. Pollard 1947-8-31 s.n. Humboldt Klamath River bar nr. Woodson's placer mine, Orleans region Comment
  UC582671  Helenium bigelovii Joseph P. Tracy 1937-8-12 15627 Humboldt Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  UC552839  Heliotropium curassavicum Joseph P. Tracy 1935-8-25 14747 Humboldt Stone Lagoon North Coast Ranges, Stone Lagoon 3 Comment
  HSC97359  Hemitomes congestum John DeMartini 1975-7-2 Humboldt Azalea Ave. Maw property, McKinleyville. Bulk Collection 81 Comment
  UC559947  Hemitomes congestum V. Rattan 1878-1 Humboldt Comment
  HSC40031  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-22 2879 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  HSC70841  Hemizonella minima M. A. Baker 1980-6-7 1788 Humboldt Near Brush Mtn. 1128 Comment
  UC249845  Hemizonella minima Joseph P. Tracy 1923-6-24 6349 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC495624  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Dobbyn Creek Northern Coast Ranges Comment
  UC1223088  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt Comment
  RSA259569  Hemizonia tracyi Thomas W. Nelson, Jane, James Nelson 1975-6-21 1950 Humboldt Hwy 36, 5 miles east of Bridgeville Comment
Read comments
Jan 3 2011
  UC1197367  Heracleum lanatum Joseph P. Tracy 1930-7-18 9079 Humboldt near Mckay Camp S. Fork Mt. 1676 Comment
  UC673044  Heracleum lanatum Joseph P. Tracy 1940-9-26 16730 Humboldt s. end Humboldt Bay (Salmon Creek Valley); , Salmon Creek Valley 9 Comment
  RSA246845  Heracleum maximum R. F. Thorne, P. Everett 1965-8-9 35327 Humboldt Clam Beach County Park: along highway. 3 Comment
  SD39889  Hesperocyparis macrocarpa Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  UC1222144  Hesperolinon micranthum Joseph P. Tracy 1950-7-6 18994 Humboldt 3 mi s Burr Valley (on the Albee Road); Buck Mountain 1158 Comment
  RSA249393  Heterocodon rariflorum D. E. Anderson, Thomas W. Nelson, S. Dowty 1974-6-17 5709 Humboldt McKeown Ranch N of Dinsmore. Comment
  SEINET10873420  Heterocodon rariflorum Chesnut CHESNUT 1888 Humboldt KNEELAND Comment
  CDA39222  Heterotheca oregona D. Juliano 2013-8-1 PDR# 120 P06003641 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  JEPS2421  Heterotheca oregona var. oregona W. L. Jepson 1936-8-12 17875 Humboldt Philipsville, gravel bars and lowest terrace of South Fork Eel River South Fork Eel River Comment
  CAS-BOT-BC311077  Heterotheca oregona var. rudis S. K. Harris 1938-8-24 s.n. Humboldt Eel River, near Fernbridge Comment
  CAS-BOT-BC311078  Heterotheca oregona var. rudis Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  HSC33081  Heuchera micrantha Thomas W. Nelson, J. D. Ackerman 1974-5-14 1269 Humboldt Baker Beach, 4 mi. S of Trinidad Comment
  HSC39159  Heuchera micrantha D. E. Anderson, J. P. Smith 1971-6-28 - 1247 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UC902002  Heuchera micrantha var. diversifolia Joseph P. Tracy 1947-5-10 17682 Humboldt Garberville, near airport Garberville 152 Comment
  CAS-BOT-BC423448  Heuchera micrantha var. macropetala Freed Hoffman 1950-7-11 4009 Humboldt Northeastern Humboldt county. On serpentine, 16.1 mi. above and north of Klamath River Road, along road to Cedar camp. 914 Comment
  HSC67473  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3834 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC127712  Hieracium albiflorum Harley P. Chandler Jun 1901 1496 Humboldt Klamath River North Coast Ranges 426 Comment
  HSC98116  Hieracium albiflorum Cara Witte 2007-6-27 371 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  SEINET11847693  Hieracium albiflorum J. P. Tracy 1948-1 18181 Humboldt E of Grove's Prairie near Elk Camp on Grizzly Camp Road, Trinity Summit 1524 Comment
  UC1299270  Hieracium greenei Freed W. Hoffman 1949-7-15 3010 Humboldt a little s of Blue Ridge; Mt. Lassic Comment
  JEPS70574  Hierochloe occidentalis Milo S. Baker 1923-7-20 60 Humboldt Redwood House Road Comment
  HSC13459  Hippuris vulgaris Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC10124  Holcus lanatus T. F. Newman 1966-5-1 6647 Humboldt Jackson Ranch, Arcata Bottoms. Comment
  HSC26180  Holcus lanatus J. P. Smith, Steve Selva 1970-6-14 3833 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC33769  Holcus lanatus Lon Hall 1975-5-24 378 Humboldt Samoa Dunes, off Samoa Blvd., across from the boat landing Comment
  HSC89550  Holcus lanatus M. Roantree 1985-5-7 42 Humboldt SW side of Trinidad Head, along trail Comment
  POM291100  Holcus lanatus Lyman Benson 1929-7-14 1797 Humboldt Weott Ranger Station, South Fork Eel River. Comment
  SD40095  Holcus lanatus Edith A. Purer 1932-7-30 4672 Humboldt South of Orick Comment
  UCD81679  Holcus lanatus Chuck Hughes 2009-6-18 99 Humboldt Near Arcata. NE corner of intersection of Old Samoa Road and Pacheco Road. 1 Comment
  HSC57162  Holodiscus discolor Overton, Butler 1979-7-26 9962 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  UC1043493  Holodiscus discolor E. K. Balls 1954-5-25 19387 Humboldt 6.3 mi s of Ferndale (North Coast Range, Wild Cat Ridge); North Coast Range, Wild Cat Ridge Comment
  CAS-BOT-BC281264  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-7-10 10389 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  RSA123425  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-6-17 5710 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  HSC10231  Hordeum vulgare S. J. Hawks 1965-4-6 23 Humboldt Along Clam Beach access road. Comment
  UC154501  Horkelia tridentata subsp. flavescens J. Burtt Davy 1899-6-19 5629 Humboldt from Bairs to Hoopa Hoopa Mt. Comment
  HSC96270  Horkelia tridentata var. flavescens Wanda Naylor, Laurel Goldsmith 2005-6-24 15 Humboldt S of Grouse Mountain on NF1 1595 Comment
  HSC41253  Hosackia oblongifolia Brad Klipfel 1974-6-25 443 Humboldt Horse Mtn., near the creek just below the mine Comment
  CHSC866  Hosackia rosea V. Holt 1941-5-30 Humboldt Comment
  CHSC68777  Hydrocotyle ranunculoides Vernon Oswald 1997-6-5 8545 Humboldt Robert Gearheart Marsh in the Arcata Marsh and Wildlife Sanctuary. 1 Comment
  UCD128229  Hydrocotyle ranunculoides Linda M. Barker 1976-8-2 1704 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UC1245394  Hydrophyllum occidentale Joseph T. Gregory 1933-7-11 371 Humboldt near Clear Lake (Grouse Mt.); Grouse Mt. 1524 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  UC213008  Hydrophyllum tenuipes Joseph P. Tracy 1920-5-18 5318 Humboldt Bull Creek Northern Coast Ranges (along Eel River from South Fork to Scotia) 60 Comment
  UC673117  Hydrophyllum tenuipes Joseph P. Tracy 1940-5-17 16545 Humboldt flat near McClellan ranch house; McClellan Mt. 609 Comment
  HSC57965  Hypericum anagalloides G. L. Clifton, Griswold 1979-7-31 11676 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC275343  Hypericum anagalloides Joseph P. Tracy with H. E. Parks 1924-8-3 6757 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UC183761  Hypericum anagalloides Joseph P. Tracy 1913-6-22 4272 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen R., Dinsmore's Ra 762 Comment
  UC1122120  Hypericum perforatum H. L. Person 1932-7-16 Humboldt Korbel Eureka Quad., Korbel Comment
  UC1137468  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
Read comments
Sep 12 2009
  UC1198400  Hypericum perforatum Joseph P. Tracy 1934-7-9 13346 Humboldt Dobbyn Creek 152 Comment
  UC420732  Hypericum perforatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5715 Humboldt Hoopa Valley North Coast Ranges, Hoopa Valley Comment
  UCSB23845  Hypericum perforatum Keefe, Joseph 1967-7-8 Humboldt bank of Eel River; Miranda Turnoff; 12.4 miles north of Garberville on U.S. Highway 101 170 Comment
  CAS-BOT-BC311436  Hypochaeris radicata Ashley C. Browne 1936-6-10 s.n. Humboldt Patrick's Point State Park Comment
  UCD128252  Ilex aquifolium Linda M. Barker 1976-6-14 1594 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC206846  Iliamna latibracteata C. B. Wolf 1931-8-28 2367 Humboldt Redwood Highway, 3 miles north of Orick, Davison's Ranch on Prairie Creek 60 Comment
  HSC96744  Iliamna latibracteata M. Mesler 2006-7-28 625 Humboldt E of Grouse Mtn., 2.1 mi. from NF 1, below road. 1448 Comment
  HSC98015  Iliamna latibracteata Cara Witte 2007-7-9 455 Humboldt Grouse Mtn.. FS Rd. 4N32. 1/4 mile S of intersection with 5N04 1466 Comment
  JEPS67375 Image available Iliamna latibracteata Mrs. V. P. Fox July, 1919 Humboldt Bald Mt. Comment
  UC527558 Image available Iliamna latibracteata C. B. Wolf 1931-8-28 2367 Humboldt Redwood Highway, 3 miles north of Orick; Davison's Ranch on Prairie Creek 60 Comment
Read comments
Feb 27 2012
  UC204418  Ionopsidium acaule Mrs. R. D. Douglas 1918-5-4 Humboldt near Ferndale Cemetary (Ferndale); Northern Coast Ranges, Ferndale 15 Comment
  UC275573  Iris douglasiana Joseph P. Tracy 1924-5-25 6683 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  UCD138708  Iris douglasiana L. W. Lenz; E. K. Balls 1956-6-12 21666 Humboldt Between Willow Creek and Blue Lake, U.S. Hwy 299. 365 Comment
  UC1193099  Iris longipetala P. Zinke 1950-10-11 188 Humboldt 4 mi se Punta Gorda; Lake Ridge 243 Comment
  UC427883  Iris purdyi H. E. Parks 1930-5-25 853 Humboldt Laribee Valley Comment
  HSC45312  Iris tenax subsp. klamathensis R. York 1978-5-11 164 Humboldt Along logging road off Bark Shanty Rd., 4 mi. above Orleans Comment
  HSC31445  Iris tenuissima D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5565 Humboldt Lower slopes of Black Lassic near Trinity Co. line 1585 Comment
  RSA135923  Iris tenuissima Lee W. Lenz 1953-5-17 18318 Humboldt Crawford Creek, just below Orleans 122 Comment
  HSC99375  Iris tenuissima subsp. tenuissima K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 24 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  UC1173727  Isatis tinctoria Joseph P. Tracy 1939-4-29 16239 Humboldt Klamath River at mouth of Slate Creek; Klamath River, Slate Creek 121 Comment
  JEPS11946  Isolepis setacea Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-10 4759 A Humboldt along U.S. Highway 101 0.4 mi s of southern boundary marker Dry Lagoon Beach State Park; s of southern boundary marker of Dry Lagoon Beach State Park Comment
  HSC96497  Isolepis setacea Gordon Leppig 1998-6-8 802 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  CAS-BOT-BC340153  Jaumea carnosa C. C. Harris; S. K. Harris 1939-8-26 s.n. Humboldt South shore of Humboldt Bay Comment
  UC1220310  Jaumea carnosa D. E. Anderson 1963-9-15 2812 Humboldt salt marsh bordering Humboldt Bay Comment
  UC1103037  Juncus bolanderi Joseph P. Tracy 1900-9-2 932 Humboldt Eureka Northern Coast Region 0 Comment
  UC183780  Juncus bolanderi Joseph P. Tracy 1912-7-26 3826 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC45436  Juncus bolanderi Thomas W. Nelson, Jane P. Nelson 1978-7-2 4402 Humboldt Wet alluvial soil at Lost Lake 1433 Comment
  JEPS66922  Juncus bufonius Lincoln Constance 1934-6-12 862 Humboldt Dyerville, Bull Cr. road and n bank of South Fork Eel River South Fork Eel River, Bull Creek Region Comment
  UC594245  Juncus bufonius S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3434 Humboldt nw slopes Buck Mountain 822 Comment
  UC184935  Juncus effusus subsp. pacificus Joseph P. Tracy 1912-7-25 3820 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS63893  Juncus effusus subsp. pacificus W. L. Jepson 1932-7-29 16440 Humboldt Weatt Comment
  UC183677  Juncus ensifolius Joseph P. Tracy 1912-7-24 3809 Humboldt Eureka Northern Coast Region 0 Comment
  UCD141540  Juncus ensifolius Joseph P. Tracy 1937-8-7 15619 Humboldt Bald Mountain; east of Korbel. About a mile north of Murphy meadow. Comment
  HSC99545  Juncus exiguus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 210 Humboldt Near North Trinity Mtn, 11. 5 mi E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC40877  Juncus hesperius Linda M. Barker 1976-6-1 1568 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  JEPS63872  Juncus hesperius Henry Melde 1902-2-8 Humboldt Eureka Comment
  HSC90770  Juncus lescurii Gail Newton 1982-6-10 3608 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA168864  Juncus xiphioides Joseph P. Tracy 1938-7-24 16086 Humboldt Pacific and A Streets. Eureka. 0 Comment
  CAS-BOT-BC235885  Keckiella corymbosa Doris K. Kildale 1926-7-25 2433 Humboldt Briceland Bridge 1/2 mi. west of Garberville 114 Comment
  CAS-BOT-BC235890  Keckiella corymbosa Carl D. Duncan 1920-9-21 333 Humboldt Hoopa Comment
  HSC74667  Keckiella corymbosa Gail Newton 1981-8-7 2429 Humboldt Near Bug Creek Butte 1244 Comment
  NY790278  Keckiella corymbosa J. P. Tracy 1912-7-26 3847 Humboldt Kneeland Prairie Comment
  NY790332  Keckiella lemmonii F. W. Pennell 1940-7-7 26089 Humboldt Route 299. South of Willow Creek. 182.9 Comment
  POM208967  Keckiella lemmonii Lincoln Constance 1934-6-27 937 Humboldt Eel River, above its junction with S Fork, 0.5 mile from South Fork R.R. Sta. 46 Comment
  CAS-BOT-BC340318  Kyhosia bolanderi Doris K. Kildale 1925-8-16 1180 Humboldt Trinity Summit. Elk Horn Prairie 1524 Comment
  UC302178  Lactuca biennis Joseph P. Tracy 1926-7-18 7746 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley, Kirkham Creek 182 Comment
  POM187943  Lactuca biennis Marcus E. Jones 1931-7-14 29090 Humboldt South of Eureka Comment
  HSC77913  Landoltia punctata Daniel V. Richards 1980-5-25 101 Humboldt N Clam Beach Pond, E side of Hwy. 101, near Cranell exit. Comment
  HSC35036  Lasthenia californica Thomas W. Nelson 1975-5-24 1859 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC169320  Lasthenia californica subsp. californica Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3626 Humboldt between Hydesville and Alton; Hydesville 30 Comment
  UC582761  Lasthenia californica subsp. californica Joseph P. Tracy 1932-6-26 10265 A Humboldt valley South Yager Creek 762 Comment
  UC1199134  Lasthenia californica subsp. californica Joseph P. Tracy 1925-5-30 7050 Humboldt McClellan Mountain Northern Coast Ranges, McClellan Mountain 822 Comment
  CHSC71616  Lathyrus biflorus Kenneth W. Fuller 1998-7-2 Humboldt Collected on Red Mountain. Comment
  JEPS55332  Lathyrus brownii W. L. Jepson 1932-7-30 16455 Humboldt bank of Bull Creek Bull Creek 106 Comment
  HSC103354  Lathyrus glandulosus Thomas W. Nelson, Jane Nelson 1983-6-12 7405 Humboldt Along Kneeland Rd., ~ .5 mi. SE of junction with Maple Creek Rd. 671 Comment
  JEPS55279  Lathyrus latifolius W. L. Jepson 1932-7-30 16464 Humboldt Scotia Comment
  HSC71352  Lathyrus latifolius J. P. Smith, J. O. Sawyer 1976-5-2 8622 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  UC1222414  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1946-5-19 17534 Humboldt Kneeland Prairie 762 Comment
  BLMAR671  Lathyrus nevadensis var. nevadensis Jennifer Wheeler 2013-6-3 671 Humboldt Lacks Creek, West side near broom at end of road 701 Comment
  UC15342  Lathyrus nevadensis var. nevadensis State Survey 1800-1 Humboldt Comment
  JEPS79917  Lathyrus polymorphus Joseph P. Tracy 1932-7-20 10735 Humboldt just w of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  UC931758  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19094 Humboldt 3 mi w Willow Creek (near Highway 299) Comment
  JEPS55310  Lathyrus sulphureus Lincoln Constance 1934-5-31 757 Humboldt from w boundary of Park to Grasshopper Pk. (Squaw Cr.) rd (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  SDSU4206  Lathyrus sulphureus D. F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on #101. 61 Comment
  UC931760  Lathyrus vestitus C. L. Hitchcock 1949-6-8 19087 Humboldt 1 mi se Willow Creek (along Highway 299) Comment
  UC34742  Layia carnosa C. C. Marshall 1885-1-1 Humboldt Comment
  HSC59442  Lemna minor Kenneth Clark 1979-4-21 148 Humboldt Off of Cranell Rd., 50 ft. E of Hwy. 101 Comment
  UCSB22188  Lemna obscura Joseph Keefe 1967-7-8 1862 a Humboldt collected along the E-side of U S Highway 101 turnoff to Crannell Road N of Eureka U S Highway 101, Crannell Road and Eureka 6 Comment
  JEPS36508  Leontodon saxatilis subsp. saxatilis F. W. Peirson 1926-7-13 7056 Humboldt near Blue Lake; Mad River Comment
  RSA518828  Lepidium Joseph P. Tracy 1933-8-22 12992 Humboldt Mouth of Eel River. 3 Comment
  CAS-BOT-BC89079  Lepidium didymum Robert F. Thorne; P. Everett 1965-8-8 35243 Humboldt North edge of Eureka, east of Highway 101. 4 Comment
  POM203447  Lepidium heterophyllum M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  RSA170231  Lepidium heterophyllum Joseph P. Tracy 1942-6-15 17140 Humboldt Miranda. 91 Comment
  CAS-BOT-BC12701  Lepidium oblongum Volney Rattan 1879-1-1 s.n. Humboldt Unspecified. Comment
  UCD115837  Lepidium strictum Joseph P. Tracy 1946-5-4 17433 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC17071  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg Comment
  HSC17077  Leptosiphon androsaceus J. P. Tracy, H. E. Parks 1930-5-25 794 Humboldt Near Bridgeville 457 Comment
  HSC79326  Lessingia nemaclada D. K. Imper 1982-8-27 Humboldt 1.5 mi. S of junction with FS 2S05 on FS 8E05, Six Rivers National Forest. Comment
  HSC71378  Leucanthemum vulgare J. P. Smith 1971-10-6 4949 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC673017  Lewisia pygmaea Joseph P. Tracy 1930-7-17 8979 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC44553  Lewisia triphylla Brad Klipfel 1973-7-15 172 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1197174  Ligusticum apiifolium Joseph P. Tracy 1930-7-6 8851 Humboldt at crossing of the Iaqua to yager rd. North Yager Creek 396 Comment
  UC642246  Ligusticum apiifolium Joseph P. Tracy 1937-8-15 15666 Humboldt 4 mi. e. Orick (Gans Prairie); Gans Prairie 548 Comment
  JEPS14253  Ligusticum californicum Joseph P. Tracy 1937-8-12 15633 Humboldt Snow Camp 1402 Comment
Read comments
May 25 2012
  RSA12433  Lilium bolanderi Carl B. Wolf 1934-7-2 5860 Humboldt 2 miles from Snow Camp on road to Bald Mountain. 1067 Comment
  UC55889  Lilium columbianum J. P. Tracy 1902-7-4 1755 Humboldt immediate vicinity Eureka (near Ryan's Slough Hill) 0 Comment
  HSC15569  Lilium columbianum D. G. Hauger 1967-7-22 41 Humboldt 0.5 mi. S of Dry Lagoon Comment
  HSC35594  Lilium kelloggii Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2005 Humboldt French Camp, Bald Hills. Comment
  RSA256588  Lilium occidentale Thomas W. Nelson, Doris Niles 1974-6-24 s.n. Humboldt Wiggens Ranch just west of the garbage dump. Comment
  UC54663  Lilium pardalinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5717 Humboldt Supply Creek; North Coast Ranges, Hupa Valley Comment
  HSC58108  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-8-1 12043 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC1197417  Limnanthes douglasii Joseph P. Tracy 1946-5-19 17536 Humboldt Kneeland Prairie 762 Comment
  OBI12589  Limnanthes douglasii Lincoln Constance 1934-5-29 721 Humboldt S Fork Eel River. Upper Look Prairie 366 Comment
  UC1184177  Limnanthes douglasii subsp. nivea Robert Ornduff 1960-6-1 6178 Humboldt about 3 mi e Garberville (on road to Alder Point) Comment
  SEINET3818260  Limnorchis leucostachys Unknown 1942-1 Humboldt Comment
  UC908625  Linanthus acicularis Joseph P. Tracy 1927-5-15 8033 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1198579  Linanthus androsaceus Joseph P. Tracy 1942-6-28 17273 Humboldt Murphy Ridge Bald Mountain 914 Comment
  UC52737  Linanthus androsaceus W. C. Blasdale 1896-6-6 Humboldt Graham's Comment
  UC906691  Linanthus androsaceus Joseph P. Tracy 1943-5-23 17424 Humboldt e of Redwood Creek (Berry's Mt. on Trinity Highway); Berry's Mt. 487 Comment
  UC1198567  Linanthus bicolor Joseph P. Tracy 1914-5-14 4435 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  RSA46839  Linaria vulgaris Doris K. Kildale 1926-6-4 2090 Humboldt Trinidad. Comment
  UC169339  Linnaea borealis var. longiflora Joseph P. Tracy 1911-7-12 3521 Humboldt mountain slopes along road between Three Creeks and mouth of Willow Creek (at Three Creeks); Northern Coast Ranges, bwt Three Creeks and Willow Creek mou 914 Comment
  HSC69790  Linum bienne R. Kalal 1979-5-8 59 Humboldt 7th St. and Union Ave., in Arcata. 18 Comment
  UCSB30603  Linum bienne Edwards, David 1974-8-12 Humboldt North side of 7th. St., just W. of its overpass of U.S. 101, Arcata 18 Comment
  UC14967  Listera caurina Joseph Burtt Davy 1899-6-19 5648 Humboldt near top of Ridge Hoopa Mt. Comment
  CAS-BOT-BC136461  Listera cordata Greg de Nevers 2001-4-17 12250 Humboldt Field redacted by CAS, contact the data manager for more information 91 Comment
  HSC104405  Listera cordata Arthur C. Grupe 2013-4-20 11 Humboldt Near Lord Ellis Summit; along Snow Camp Rd., ~500 ft. SE of its junction with Old Hwy. 200 701 Comment
  HSC73409  Listera cordata var. nephrophylla Bruce Potter, Leslie Sieburth, Susan Ahrens 1981-4-19 653 Humboldt 229 Comment
  JEPS37741  Lithocarpus densiflorus W. L. Jepson 1902-6 2138 Humboldt Bear River Range Comment
  SEINET13953004 Image available Lithocarpus densiflorus J. Sandborg, F. Sandborg 1968-1 58 Humboldt Bluff Creek near Notice Creek 792 Comment
  CAS-BOT-BC432296  Lithophragma campanulatum Alice Eastwood; John Thomas Howell 1937-6-24 4861 Humboldt Road ro Horse Mt. Comment
  HSC32143  Lithophragma heterophyllum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5607 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC45627  Lithophragma parviflorum Diane L. Reed 1978-5-27 134 Humboldt Horse Mountain. Titlow Hill Road, 2.7 mi. from Hwy. 299 Comment
  CAS-BOT-BC283402  Lolium multiflorum Malcom A. Nobs; S. Galen Smith 1949-8-3 1177 Humboldt Salt marshes around Fields Landing Comment
  UC1541549  Lolium multiflorum Harold E. Parks May 1933 4305 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  UC163617  Lolium multiflorum Joseph Burtt Davy 1899-6-15 5527 Humboldt Scotia Comment
  UC167379  Lolium multiflorum Joseph Burtt Davy 1899-7-30 6212 Humboldt Russ Ranch Comment
  HSC10312  Lolium perenne N. R. Waite 1965-5-19 43 Humboldt W edge of Humboldt State University campus. Comment
  UC726366  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt near Arcata; near Arcata Comment
  UCD66476  Lolium perenne Collector Unknown 1923-7-18 23 Humboldt Petrolia. Comment
  HSC90681  Lolium perenne Gail Newton 1982-6-10 3590 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA44450  Lolium perenne subsp. multiflorum Henry M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  UC21254  Lomatium dasycarpum subsp. dasycarpum Harley P. Chandler June, 1901 1445 Humboldt North Coast Ranges, Klamath R. Comment
  HSC55593  Lomatium dissectum var. dissectum G. L. Clifton, Terry Griswold 1979-7-26 9367 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC97412  Lomatium macrocarpum R. Spellenberg 1965-6-14 1126 Humboldt Kneeland Airport about 5 mi. S of Kneeland Comment
  JEPS14256  Lomatium macrocarpum Joseph P. Tracy 1933-7-25 12894 Humboldt Grouse Mt. 1524 Comment
  HSC38481  Lomatium utriculatum D. E. Anderson, J. P. Smith 1971-6-18 1060 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  UC602562  Lonicera conjugialis Joseph P. Tracy 1930-7-19 9094 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC240472  Lonicera hispidula Ynez Whilton Winblad 1941-6-24 s.n. Humboldt Between Garberville and Hartsook Comment
  SBBG7350  Lonicera hispidula H. and M. Dearing 1933-5-15 1852 Humboldt Garberville Comment
Read comments
Oct 13 2014
  POM284224  Lonicera hispidula var. vacillans Lyman Benson 1929-7-19 1864 Humboldt Dyerville to Mat[t]ole River. Comment
  RSA171943  Lonicera hispidula var. vacillans R. F. Thorne 1957-9-2 19002 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  RSA43892  Lonicera hispidula var. vacillans H. M. Pollard 1948-7-21 s.n. Humboldt Near Orleans. Comment
  UC169081  Lonicera hispidula var. vacillans Mrs. M. H. Manning 1901-7-27 308 Humboldt near Hupa (Bald Hill) Comment
  HSC95659  Lonicera hispidula var. vacillans Steven Lee 2004-4-25 22 Humboldt South Fork Rd., from Hwy. 299 to County Rd. 341, 1/8 mi. down river access trail at end of Rd. Comment
  CAS-BOT-BC241486  Lonicera involucrata var. ledebourii B. D. Stark 1929-7-24 1387 Humboldt 8 miles south of Eureka 30 Comment
  HSC3924  Lonicera involucrata var. ledebourii A. E. Inman 1962-5-25 Humboldt Mad River, Lindsay Creek Jct. Comment
  SEINET3523157 Image available Lotus aboriginus Joseph P. Tracy 1949-6-20 18321 Humboldt Near Boynton Prairie, 12 mi SE of Arcata Comment
  RSA168891  Lotus crassifolius Joseph P. Tracy 1936-6-9 14914 Humboldt Near panther Gap, on the Bull Creek-Mattole Road. Comment
  RSA275285  Lotus crassifolius Thomas W. Nelson, Jane Nelson, A. Nelson 1977-7-4 3614 Humboldt Along road north from Alder Springs. 1524 Comment
  SEINET12158899  Lotus denticulatus J. P. Tracy 1934-1 13219 Humboldt Horse Mountain 1433 Comment
  UC179922  Lotus denticulatus Joseph P. Tracy 1914-6-14 1240 Humboldt near Hydesville; Northern Coast Ranges, Van Duzen River, Yager Creek 30 Comment
  RSA406183  Lotus humistratus Lester Rowntree 1931-7-21 s.n. Humboldt Mattole River Bridge 2 miles from Petrolia. Comment
  CDA27277  Lotus micranthus E. C. Whitney 1959-5-6 Humboldt Highway 101, south of Eureka. (Brown property) 0 Comment
  UC1223396  Lotus micranthus Joseph P. Tracy 1933-7-9 12644 Humboldt opposite Willow Creek; Trinity River Valley Comment
  JEPS51821  Lotus nevadensis var. nevadensis W. L. Jepson 1902-7-3 1979 Humboldt Three Creeks to Willow Creek Comment
  UC179938  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1914-7-4 4527 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  SEINET3136623  Lotus purshianus var. purshianus R. W. Spellenberg 1990-7-10 10237 Humboldt 11 air mi E of Burnt Ranch at Buck Flat, at junction of USFS Road 5N01 and USFS Road 1, 12 mi S of Berry Summit (on Calif. Hwy 299) on USFS 1 1433 Comment
  UC1223408  Lotus yollabolliensis Joseph P. Tracy 1933-7-16 12798 Humboldt near McKay Camp (near the top of South Fork Mountain); South Fork Mountain 1676 Comment
  UC1223411  Lotus yollabolliensis Joseph P. Tracy 1941-8-28 17048 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  UCD107084  Ludwigia hexapetala Malcolm A. Nobs; S. Galen Smith 1949-8-9 1231 Humboldt On southern side of town of Blue Lake. Comment
  HSC70698  Luina hypoleuca Gail Newton 1980-7-15 1554 Humboldt Near Sims Mtn. 1311 Comment
  POM51553  Luina hypoleuca Joseph P. Tracy 1917-9-2 4839 Humboldt Grouse Mountain. 1524 Comment
  HSC35035  Lupinus affinis Thomas W. Nelson, James Nelson 1975-5-24 1857 Humboldt McKeown Ranch, N of Dinsmore. Comment
  SEINET10488353  Lupinus affinis Charles Piper Smith 1948-5-10 Smith 48248 Humboldt Hwy 101. 0.2 Miles s of miranda Comment
  UC302117  Lupinus albicaulis var. shastensis Joseph P. Tracy 1926-5-15 7495 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA43866  Lupinus albicaulis var. shastensis H. M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  UC1197248  Lupinus albifrons Joseph P. Tracy 1932-5-1 9873 Humboldt Garberville; Northern Coast Ranges, Garberville 121 Comment
  UC503016  Lupinus albifrons Joseph P. Tracy 1929-4-28 8552 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC37859  Lupinus arboreus Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  SEINET10452624  Lupinus arboreus Mary Susan Taylor 1990-8-22 Taylor 6070 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  SEINET10488455  Lupinus arboreus Michael Currier 1984-7-9 Currier 59 Humboldt Along ocean fromt at clam beach, 6 miles n of arcata; hwy 101. Penstemon sp., And gramineae Comment
  RSA183596  Lupinus arboreus var. arboreus C. F. Zeillemaker 1964-4-7 64 -A-006 Humboldt Three miles southwest of Samoa on Samoa Peninsula at U.S. Coast Guard Station. 3 Comment
  HSC95546  Lupinus bicolor Andrea Pickart 2002-5-20 106 Humboldt Manila Dunes, near Manila Community Services District treatment area 15 Comment
  HSC48778  Lupinus bicolor Brad Klipfel 1974-5-11 339 Humboldt SW side of Big Lagoon Comment
  SEINET10484916  Lupinus bicolor subsp. pipersmithii Charles Piper Smith 1948-5-10 Smith 48251 Humboldt Highway 101 - garberville, 2 miles north. Comment
  UC659303  Lupinus elmeri Charles Piper Smith 1929-7-12 4406 Humboldt So<uth> Fork Mtn. Blake Lookout, South Fork Mtn.; Trinity N.F., So<uth> Fork Mountain Comment
  HSC39678  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-6-16 2744 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  UC168977  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-6-9 3663 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC169060  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-7-3 3719 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC865228  Lupinus latifolius var. latifolius Elizabeth Parsons Hawver June 1915 Humboldt Carlotta Comment
  UC1223287  Lupinus latifolius var. latifolius Joseph P. Tracy 1939-8-16 16415 Humboldt near Clear Lake; Grouse Mountain Grouse Mountain; , near Clear Lake 1524 Comment
  UC503015  Lupinus latifolius var. viridifolius Joseph P. Tracy 1929-7-4 8624 Humboldt French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  RSA26960  Lupinus luteolus C. Leo Hitchcock, J. S. Martin 1939-7-11 5421 Humboldt 65 miles E of Arcata, bank near road. 457 Comment
  BLMAR212  Lupinus microcarpus var. densiflorus Jennifer Anthony-Wheeler 1996-7-9 212 Humboldt Pilot ridge., open or distrubed areas 1280 Comment
  UC1949190  Lupinus nanus Barbara Ertter with Thomas J. Delendick 1987-5-16 6923 Humboldt Vista Point just W of Berry Summit on Hwy 299, ca 15 airmiles E of Arcata; S-facing slope Comment
  SD42577  Lupinus polyphyllus Carl B. Wolf 1937-6-19 8912 Humboldt Van Duzen River, 0.3 mile above Bridgeville. 121 Comment
  UC176607  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1913-6-25 4335 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in the valley of the Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC91365  Lupinus rivularis A. Smith, A. Eller, B. Hoffman 1989-5-7 34 Humboldt 1 mi. W on Somoa Blvd. from J St. 0 Comment
  SEINET10488860  Lupinus rivularis Smith 1948-5-10 Smith 48246 Humboldt Hwy. 101--Red crest, few redwoods, 1 mi s. Comment
  HSC23088  Luzula comosa D. E. Anderson 1965-5-1 3565 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  HSC56410  Luzula comosa Griswold, Butler 1979-7-11 7044 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  UC1152143  Luzula comosa Joseph P. Tracy 1951-6-26 19550 Humboldt at Snow Camp; in fir woods at Snow Camp Comment
  UC1152144  Luzula comosa Joseph P. Tracy 1951-6-26 19546 Humboldt Snow Camp Meadow in boggy ground Snow Camp Meadow Comment
  CAS-BOT-BC436737  Luzula comosa var. laxa R. K. Gierisch; D. H. Esplin 1969-7-1 3539 Humboldt Six Rivers area: Grouse Mt. 1584 Comment
  UCR265767  Luzula macrantha Peter F. Zika 2011-7-3 25500 Humboldt Outer North Coast Ranges, Titlow Hill Road, near junction with Forest Road 6N36, 1 air mi south of Horse Mountain 1410 Comment
  UC183767  Luzula subsessilis Joseph P. Tracy 1914-5-14 4443 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  LA205867  Lycopodium clavatum Lawrence L. Kiefer; D. Branscomb 1964-5-20 1435 Humboldt near Trinidad, 1 mi E of Moonstone Beach on Kuntz property 152 Comment
  UC1239796  Lycopodium clavatum Joseph P. Tracy 1932-8-13 10341 Humboldt in woods around swamp 3 mi e Trinidad; Northern Coast Region 152 Comment
  CHSC2104  Lysichiton americanus M. Anthony 1960-5-14 Humboldt N. coastal. Comment
  CHSC84688  Lysichiton americanus L. P. Janeway 2003-7-27 7927 Humboldt North Coast. Edge of marsh on south side of southwest end of Hwy 101 causeway across Big Lagoon. 2 Comment
  JEPS20935  Lysichiton americanus W. L. Jepson 1902-6 1925 Humboldt Eureka to Arcata; Hupa Indian Reservation Comment
  RSA0015871  Lythrum hyssopifolia I. L. Wiggins 1932-7-19 5889 Humboldt Near Clam Beach, about 8 mi. N of Arcata. Comment
  CAS-BOT-BC342806  Madia elegans Harley P. Chandler 1901-6-1 1409 Humboldt North Coast Ranges. Klamath River 243 Comment
  UC34191  Madia elegans Harley P. Chandler 1901-6-1 1409 Humboldt Klamath River North Coast Ranges 243 Comment
  UC89370  Madia elegans Harley P. Chandler June 1901 1409 Humboldt Klamath River 243 Comment
  HSC54202  Madia exigua Griswold, Butler 1979-7-12 7242 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC166101  Madia exigua Joseph P. Tracy 1908-6 2815 Humboldt opposite Buck Mountain (Valley of the Van Duzen River); Northern Coast Ranges 762 Comment
  CAS-BOT-BC343020  Madia gracilis Joseph P. Tracy 1935-7-23 14132 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  JEPS7505  Madia gracilis Joseph P. Tracy 1934-7-18 13432 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC176779  Madia gracilis Joseph P. Tracy 1908-6 2694 Humboldt opposite Buck Mountain; Valley of Van Duzen River 762 Comment
  HSC97451  Madia gracilis Cara Witte 2007-6-7 217 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  POM362170  Madia gracilis subsp. gracilis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3607 Humboldt Along road north from Alder Spring 1555 Comment
  CAS-BOT-BC343589  Madia sativa Joseph P. Tracy 1936-8-24 15178 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  JEPS7506  Madia sativa Joseph P. Tracy 1927-6-18 8176 Humboldt sw slope slopes fronting the ocean 3 mi s point of cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  RSA20801  Mahonia nervosa C. B. Wolf 1937-8-13 9266 Humboldt North Coast Range, 12 miles E of Hoopa Valley on new road towards Trinity Summit. 1677 Comment
  SBBG114438  Maianthemum dilatatum D. Leaberry 1990-9-24 Humboldt Prairie Crk Comment
  SEINET12044316  Maianthemum dilatatum H. E. Parks 1932-1 4289 Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC12251  Maianthemum racemosum subsp. amplexicaule Gary J. Stebbins 1970-4-5 56 Humboldt Along rd. to Maple Creek 1.6 mi. W of bridge over Mad River Comment
  HSC41942  Maianthemum racemosum subsp. amplexicaule Richard G. Runyon 1977-4-23 9 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  CAS-BOT-BC511452  Maianthemum racemosum subsp. amplexicaule Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  RSA21603  Maianthemum stellatum Carl B. Wolf 1937-9-14 9350 Humboldt North Coast Range, Lord Ellis Road, 0.5 mile east of summit of Willow Creek Grade 762 Comment
  HSC58757  Malacothrix clevelandii Overton, Butler 1979-7-25 9876 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  POM98598  Malacothrix floccifera F. W. Peirson 1926-7-14 s.n. Humboldt Sandy shores of Eel River about 5 miles south of Scotia Comment
  CAS-BOT-BC140135  Malus fusca L. R. Abrams; R. Bacigalupi 1922-6-25 8280 Humboldt Big Lagoon South of Orick Comment
  UC303165  Malus fusca Joseph P. Tracy 1923-6-20 6304 Humboldt White Thorne Valley; Northern Coast Ranges 304 Comment
  UC1197979  Malva nicaeensis Joseph P. Tracy 1924-6-28 6699 Humboldt Northern Coast Ranges, Hydesville Hydesville; Northern Coast Ranges, Hydesville 60 Comment
  JEPS42473  Marah oregana Lincoln Constance 1934-5-31 743 Humboldt from w boundary of Park to Grasshopper Pk.(Squaw Cr.) rd (along n side of creek); South Fork Eel River, Bull Creek Flat Comment
  UCD107558  Marah oregana K. Twitchell 1996-5-11 23 Humboldt Crannell, Coastal cliffs along Highway 101 at Moonstone beach access. 36 Comment
Read comments
May 8 2012
  RSA178531  Marah oregana Joseph P. Tracy 1951-5-20 19402 Humboldt Barry Ridge; Kneeland Prairie. 762 Comment
  CAS-BOT-BC67837  Marsilea vestita H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  UC1223204  Matricaria discoidea Joseph P. Tracy 1942-7-1 17368 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  HSC48058  Medicago polymorpha Thomas W. Nelson 1978-4-24 3890 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC61766  Medicago sativa Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  UCD87130  Melica californica August L. Hormay 1932-5-12 s.n. Humboldt Bull Creek Road, Redwood Highway, north of Graberville. Comment
  UCD87232  Melica californica Joseph P. Tracy 1943-5-9 17418 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC40310  Melica fugax Thomas W. Nelson, Jane P. Nelson 1976-6-22 2859 Humboldt Bog along road to Goat Hill. 1646 Comment
  CAS-BOT-BC281318  Melica harfordii David D. Keck 1948-7-2 6012 Humboldt 1 mile N of Richardson Grove, US Highway 101 highway, along S Fork of Eel River, S facing road cut and ditch Comment
  UCD87500  Melica harfordii Freed W. Hoffman 1946-5-24 1718 Humboldt Willow Creek. Comment
  CAS-BOT-BC281026  Melica stricta Joseph P. Tracy 1935-7-28 14333 Humboldt Head of Brett Hole, Trinity Summit 1828 Comment
  UCD88605  Melica subulata Harley P. Chandler 1901-5-1 1174 Humboldt North Coast Ranges, Humboldt Bay. 30 Comment
  UCD88616  Melica subulata August L. Hormay 1932-5-11 s.n. Humboldt Korbel. Comment
  UCD88673  Melica subulata R. Tofsrud 1949-7-1 s.n. Humboldt On road from Scotia to Capetown. Comment
  UC1222474  Melilotus indicus Joseph P. Tracy 1943-11-28 17457 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  HSC25761  Melilotus officinalis Jana Kattenhorn 1970-10-14 45 Humboldt Big Lagoon Comment
  JEPS63288  Melissa officinalis W. L. Jepson 1932-8-2 16472 Humboldt Dyerville 76 Comment
  OBI13658  Mentha aquatica Joseph P. Tracy 1947-11-9 17945 Humboldt Ferndale 9 Comment
  UC175494  Mentha canadensis Joseph P. Tracy 1912-10-20 4007 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC1197585  Menziesia ferruginea E. Ethel Tracy 1911-5-26 3189 Humboldt Patrick's Point; Northern Coast Ranges, Patrick's Point 60 Comment
  UC154037  Menziesia ferruginea Joseph P. Tracy 1908-6-10 2676 Humboldt Region about Humboldt Bay, Freshwater Creek Freshwater Creek; Northern Coast Region, Region about Humboldt Bay, Freshwater 0 Comment
  HSC28256  Menziesia ferruginea subsp. ferruginea Gary S. Lester 1973-12-2 59 Humboldt Humboldt State University Campus, Arcata Comment
  HSC32925  Micropus californicus var. californicus Thomas W. Nelson, James Nelson 1973-5-28 968 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1223188  Micropus californicus var. californicus Joseph P. Tracy 1950-6-15 18774 Humboldt 5 mi n Harris (on the old Overland Road); Mail Ridge, on the old Overland Road Comment
  UC164797  Microseris bigelovii Joseph P. Tracy 1911-5-27 3190 Humboldt Humboldt Bay Northern Coast Region Comment
  UC582439  Microseris douglasii subsp. douglasii Joseph P. Tracy 1929-5-5 8560 Humboldt Miranda, along South Fork of Eel River Northern Coast Ranges, South Fork of Eel River 121 Comment
  UC1223199  Microseris douglasii subsp. douglasii Joseph P. Tracy 1948-5-31 17988 Humboldt near w side summit of Spruce Grove (near Harris) 762 Comment
  JEPS87265  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1115 Humboldt just n Miranda (0.1 mi s of bridge over Bridge Creek along Hwy 254 (parallels Hwy 101)) 100 Comment
  HSC20821  Mimulus breweri J. P. Tracy 1932-7-10 10375 Humboldt Trinity Summit 1585 Comment
  UC147910  Mimulus breweri Joseph P. Tracy 1908-6 2844 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  HSC37232  Mimulus cardinalis Lon Hall 1975-6-20 404 Humboldt About 2 mi. N from Shelter Cove Rd. on Horse Mtn. Rd., along Bear Creek, from streamside up to unused dirt logging road above creek 488 Comment
  RSA135338  Mimulus dentatus Volney Rattan 1882-06 s.n. Humboldt Humboldt Comment
  HSC20708  Mimulus dentatus Jack Rockwell 1962-5-5 58 Humboldt W side Jacoby Creek 18 Comment
  HSC31446  Mimulus guttatus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5563 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC74642  Mimulus guttatus M. A. Baker 1980-5-18 1366 Humboldt Near Black Mtn. 792 Comment
  HSC76255  Mimulus guttatus Denis Kearns 1981-7-23 403 Humboldt Near Whiteys Peak. 1524 Comment
  UC175795  Mimulus guttatus Joseph P. Tracy 1912-7-26 3825 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  RSA167241  Mimulus guttatus Joseph P. Tracy 1950-6-8 18745 Humboldt Near Capetown. Cape Ridge. One mile east of Cape Mendocino. 152 Comment
  RSA46855  Mimulus guttatus Doris K. Kildale 1927-6-25 3566 Humboldt Between Horn and Shelter Cove. Comment
  UC175796  Mimulus guttatus Joseph P. Tracy 1912-7-31 3897 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  JEPS10790  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  UC41887  Mimulus kelloggii W. C. Blasdale 1896-6-8 Humboldt near Pilot Ridge; ; Mad River near Deer Creek, Humboldt Co. Comment
  UC162580  Mimulus layneae Joseph P. Tracy 1911-7-8 3443 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC1196796  Mimulus layneae Joseph P. Tracy 1939-7-23 16531 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC24378  Mimulus moschatus J. O. Sawyer 1970-6-24 2253 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC99591  Mimulus moschatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 260 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
  JEPS86687  Mimulus nanus var. nanus L. R. Heckard with T. I. Chuang 1990-7-15 6770 Humboldt below and s of road South Fork Mountain (summit of Blakes Mountain); , Blakes Mountain 1800 Comment
  JEPS10599  Mimulus pilosus Joseph P. Tracy 1925-11-1 7300 Humboldt Shively 60 Comment
  JEPS11056  Mimulus primuloides Joseph P. Tracy 1935-7-26 14258 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  HSC104427  Minuartia douglasii Greg O'Connell 2013-6-27 Humboldt Summit of Mt. Andy 1159 Comment
  UC1223239  Minuartia douglasii Joseph P. Tracy 1950-7-6 18993 Humboldt 2 mi s Burr Valley (on the Albee Rd, Bridgeville to Blocksburg) 1158 Comment
  HSC57617  Minuartia nuttallii subsp. gregaria G. L. Clifton, Griswold 1979-7-25 10742 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC71799  Minuartia nuttallii subsp. gregaria M. A. Baker 1980-6-8 1924 Humboldt Near Buck Flat. 1554 Comment
  HSC55344  Mitella caulescens Griswold, Butler 1979-7-12 7210 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  CAS-BOT-BC433034  Mitella ovalis Victor Duran 1933-5-11 3404 Humboldt Six miles west of Bridgeville, Van Duzen River Comment
  HSC98562  Mitella trifida var. trifida Cara Witte 2008-6-18 739 Humboldt Approximately 1.5 miles north-west of Forest Service Rd. 6N01B. On an unmarked road on right hand side. 1433 Comment
  HSC38487  Moehringia macrophylla D. E. Anderson, J. P. Smith 1971-7-6 - 1272 Humboldt Horse Mtn. Comment
  HSC50941  Moehringia macrophylla G. L. Clifton, Overton 1979-6-3 3764 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  UC673011  Montia diffusa Joseph P. Tracy 1930-8-24 9165 Humboldt Kneeland Prairie 762 Comment
  JEPS30736  Montia diffusa L. Constance and Alan A. Beetle with J. P. Tracy 1940-5-17 2615 Humboldt 1 mi below Dinsmore's (above Van Duzen River) 762 Comment
  UC161062  Montia diffusa Joseph P. Tracy 1906-6-10 2487 Humboldt Kneeland Prairie, near Haughey's Mill Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 609 Comment
  CAS-BOT-BC444830  Montia fontana Doris K. Kildale 1927-7-22 3922 Humboldt Lassecks Peaks - Corral Camp 1661 Comment
  UC275281  Montia howellii Joseph P. Tracy 1923-6-20 6307 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC69868  Montia linearis Thomas W. Nelson 1978-5-28 4097 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  CAS-BOT-BC445152  Montia parvifolia C. C. Harris; S. K. Harris 1936-6-12 3341 Humboldt On Chalk Mountain near Bridgeville. Comment
  HSC55129  Montia parvifolia G. L. Clifton, Terry Griswold 1979-8-1 11934 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC37958  Morella californica Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  UCD110311  Morella californica Joseph P. Tracy 1948-4-4 17956 Humboldt Near Samoa, on Humboldt Bay. 6 Comment
  HSC58648  Muhlenbergia filiformis G. L. Clifton, Griswold 1979-7-31 11669 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UCD86796  Muhlenbergia mexicana Eleanor Armstrong 1934-1 1149 Humboldt Richardson Grove. Comment
  UC582608  Myosotis discolor Joseph P. Tracy 1936-6-9 14891 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 243 Comment
  HSC47657  Myosotis sylvatica Sheila Logan 1978-4-10 180 Humboldt Arcata Community Forest, near PSW Experimental Lab Comment
  HSC77866  Myosurus minimus Rudy Becking 1982-11-13 Humboldt N Spit of Samoa Peninsula, near USCG Station Comment
  HSC41673  Myriophyllum aquaticum Charles O'Neil Humboldt McKinleyville, ponds W of Hwy. 101 Comment
  CAS-BOT-BC60344  Nasturtium officinale Kenneth Clark 1980-5-10 650 Humboldt Shelter Cove. Point Delgada. On Western beach coastal bluffs. 6 Comment
  UC146171  Navarretia squarrosa J. P. Tracy 1904-7-31 2135 Humboldt immediate vicinity Eureka 0 Comment
  UC1198519  Navarretia tagetina Joseph P. Tracy 1934-7-9 13344 Humboldt Dobbyn Creek Northern Coast Ranges 152 Comment
  UC198633  Navarretia tagetina Joseph P. Tracy 1916-9-6 4758 Humboldt headwaters of Canoe Creek Northern Coast Ranges, Grasshopper Ridge, Canoe Creek 609 Comment
  UC249522  Nemophila heterophylla Joseph P. Tracy 1922-4-30 5987 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC13584  Nemophila menziesii H. E. Parks, J. P. Tracy 1930-5-25 797 Humboldt Laribee Valley 793 Comment
  UC146182  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  CAS-BOT-BC219405  Nemophila parviflora Doris K. Kildale 1927-3-20 2915 Humboldt Philipsville [Phillipsville], South Fork of Eel River Comment
  HSC71030  Nemophila pedunculata Thomas W. Nelson 1977-4-20 3322 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  HSC96247  Nemophila pedunculata Kaylea Eickhoff, Cara M. Witte 2005-6-15 13 Humboldt 14.1 mi. S of Hwy. 299 on NF1, 0.25 mi. NE of Grouse Mtn. 1400 Comment
  CDA20507  Noccaea fendleri subsp. californica P. Haggard 2004-8-3 PDR 1285924 Humboldt Northwestern California; Along Friday Ridge Rd in Blue Lake. 0 Comment
  HSC37836  Notholithocarpus densiflorus var. echinoides Thomas W. Nelson, Jane P. Nelson 1976-2-21 2247 Humboldt Beside the Hoopa-Redwood Valley Rd. ca. 5 mi. W of Hoopa Comment
  HSC99078  Notholithocarpus densiflorus var. echinoides Cara Witte 2008-7-25 940 Humboldt Forest Service Road 5N10. Approximately 1.5 miles north of intersection with Forest Service Road 5N10C. 1319 Comment
  HSC99107  Oemleria cerasiformis Cara Witte 2008-6-13 721 Humboldt Forest Service Road 4N32. 0.5 mi. N of intersection with Forest Service Road 4N32B. 1417 Comment
  RSA178545  Oemleria cerasiformis Joseph P. Tracy 1950-4-20 18618 Humboldt Buck Mountain, lower foothills of its northwest slope. 2 miles west of Dinsmore's. 762 Comment
  UC1198781  Oemleria cerasiformis Joseph P. Tracy 1906-4-15 2405 Humboldt mouth of Lindsay Creek Northern Coast Ranges (bottomlands of Mad River) 30 Comment
  HSC90660  Oenanthe sarmentosa Gail Newton 1982-6-10 3639 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC100581  Oenothera cheiranthifolia Carl C. Marshall May 1885 41 Humboldt Peninsula. Comment
  NY233562  Oenothera hookeri subsp. wolfii C. B. Wolf 1934-10-11 6172 Humboldt Roadside along the Redwood Highway, just south of Trinidad. Comment
  UC666999  Olsynium douglasii var. douglasii Joseph P. Tracy 1930-5-25 8704 Humboldt Larrabee Valley 731 Comment
  HSC102088  Oreostemma alpigenum var. andersonii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 991 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1199306  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1932-7-13 10516 Humboldt Corral Prairie Trinity Summit 1584 Comment
  JEPS69030  Orobanche californica subsp. grayana Theodore F. Niehaus 1972-8-29 934 Humboldt About 1/4-1/2 mile east on old horse trail (to Trinity Summit Station), directly from crossing of new forest road at Oregon Creek. Oregon Creek a tributary of upper Tish-Tang a Tang Creek, Western Salmon Mountains. Comment
  BLMAR257  Orobanche pinorum Jennifer Anthony-Wheeler 1997-7-10 257 Humboldt King range, UNCOMMON, parasitized ocean spray, growing on rocky, open forest slope 304 Comment
  CAS-BOT-BC500233  Orobanche pinorum Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  UC1197444  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1947-7-5 17821 Humboldt Trinity Summit. Near Box Camp. Comment
  UC906645  Orogenia fusiformis Joseph P. Tracy 1942-6-23 17252 Humboldt near top Trinity Summit (w. of Water-Dog Lakes) 1828 Comment
  HSC102035  Orthilia secunda M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 938 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC55013  Orthilia secunda G. L. Clifton 1979-7-31 11395 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC100678  Orthocarpus Carl C. Marshall Jun 1886 110 Humboldt Near Mad River Beach. Comment
  POM43761  Orthocarpus erianthus var. gratiosus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1222795  Orthocarpus imbricatus Joseph P. Tracy 1950-8-8 19285 Humboldt Croghan Hole Trinity Summit (Trinity Summit); , Croghan Hole 1676 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
  HSC55756  Osmorhiza occidentalis G. L. Clifton, Terry Griswold 1979-7-26 10291 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC56139  Osmorhiza occidentalis G. L. Clifton 1979-8-1 11960 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC96296  Osmorhiza occidentalis Laurel Goldsmith, Wanda Naylor 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  HSC32844  Osmorhiza purpurea Thomas W. Nelson, Jane P. Nelson 1973-5-28 945 Humboldt McKeown Ranch N of Dinsmore Comment
  RSA254742  Osmorhiza purpurea Thomas W. Nelson, James Nelson 1973-5-28 945 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC12761  Oxalis articulata subsp. rubra M. J. Athey 1970-11-8 12 Humboldt Along Arcata blvd., in Arcata. Comment
  HSC27893  Oxalis oregana Clifton Raymond Chesbrough 1973-6-19 65 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  SBBG67545  Oxalis oregana L. Rowntree 1931-7-24 Humboldt Carlotta Comment
  HSC69850  Oxalis oregana R. Kalal 1979-5-5 42 Humboldt Fickle Hill Rd., 1.0 mi. E of 11th St. 183 Comment
  UC275338  Oxalis trilliifolia Joseph P. Tracy 1923-6-24 6362 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1145221  Panicum acuminatum var. acuminatum Joseph P. Tracy 1938-9-25 16172 Humboldt Bald Mountain at Lake Prairie; Bald Mountain at Lake Prairie 1066 Comment
  UC526837  Panicum acuminatum var. acuminatum Joseph P. Tracy 1925-7-5 7168 Humboldt High Prairie Bald Mountain (on Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1103779  Panicum capillare Joseph P. Tracy 1920-8-15 5369 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges, Klamath River 152 Comment
  UC183455  Panicum capillare Joseph P. Tracy 1911-7-7 3407 Humboldt three mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges, near Beebe's Ranch 914 Comment
  UC184379  Panicum capillare Joseph P. Tracy 1912-10-20 4009 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC526845  Panicum capillare Joseph P. Tracy 1930-10-12 9207 Humboldt Alton to Fortuna (Eel River on bars); Northern Coast Region, Eel River 15 Comment
  UC1103409  Parapholis incurva Joseph P. Tracy 1950-6-17 18833 Humboldt Eureka Slough Eureka; Eureka Slough 3 Comment
  HSC23740  Parentucellia viscosa Tim Baroni 1971-10-14 195 Humboldt Trinidad, above Luffenholtz Beach on old Hwy. 101 Comment
  HSC10526  Paspalum distichum D. E. Anderson 1963-9-29 2846 Humboldt Fish Lake. Comment
  HSC3794  Paxistima myrsinites D. E. Anderson 1965-6-1 3776 Humboldt Along Friday Ridge Rd. 1067 Comment
  RSA46796  Pedicularis densiflora Doris K. Kildale 1927-4-17 3096 Humboldt Briceland Bridge near Garberville. Comment
  CAS-BOT-BC69338  Pellaea brachyptera Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  UC1565791  Penstemon anguineus R. Spellenberg 1990-7-9 10226 Humboldt extreme e edge of county 14 air mi sw Burnt Ranch (14 mi s of Calif. Hwy 299 and Berry Summit on USFS Rd 1, on Pilot Ridge); Pilot Ridge, sw of Burnt Ranch, s of Berry Summit 1371 Comment
  HSC76256  Penstemon heterophyllus Denis Kearns 1981-7-6 43 Humboldt Near Mosquito Lake 1122 Comment
  RSA33967  Penstemon heterophyllus subsp. purdyi Doris K. Kildale 1926-4-30 1935 Humboldt Bucilana Bridge. Comment
  UC1222787  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1950-6-15 18782 Humboldt 7 mi n Harris (at the Jenk's Ranch); n of Harris, at the Jenk's Ranch Comment
  HSC73698  Penstemon laetus subsp. sagittatus M. A. Baker 1980-7-15 2971 Humboldt Near Whiting Ridge. 1341 Comment
  HSC39932  Penstemon laetus subsp. sagittatus J. O. Sawyer 1970-6-25 2293 Humboldt 1646 Comment
  HSC49982  Penstemon laetus subsp. sagittatus M. A. Baker 1979-6-7 782 Humboldt N bank of road to Snow Mtn. 610 Comment
  UC168971  Penstemon laetus var. sagittatus Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5666 Humboldt between Redwood Creek and Hoopa Valley (summit of Hoopa Mt.); North Coast Ranges, summit of Hoopa Mt. Comment
  UC169355  Penstemon laetus var. sagittatus Harley P. Chandler 1901-6-14 1472 Humboldt between Orleans and Somes Bar; North Coast Ranges, Klamath River 426 Comment
  HSC55841  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-25 10792 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  RSA0070753  Pentagramma triangularis Doris K. Kildale 1928-12-29 6765 Humboldt Stevens Grove. Comment
  RSA0094697  Pentagramma triangularis A. Davidson 1923-8-11 17064 Humboldt Near Scotia. Comment
  UC198598  Perideridia howellii Joseph P. Tracy 1917-9-1 4832 Humboldt Murphy Meadow Northern Coast Ranges, Bald Mountain 1066 Comment
  UC642297  Perideridia kelloggii Joseph P. Tracy 1930-10-26 9238 Humboldt Valley of South Yager Creek 762 Comment
  HSC76402  Perideridia oregana Alerie Gizinski 1981-8-25 319 Humboldt Near Al Hazen Ridge 1268 Comment
  HSC98753  Perideridia oregana Cara Witte 2007-7-27 601 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1560 Comment
  UC1389995  Perideridia oregana T. I. Chuang and R. S. Mitchell 1965-6-30 6002 Humboldt Grouse Mountain; on Clear Lake Rd. Comment
  CAS-BOT-BC419741  Persicaria wallichii Mrs. C. D. Herriott 1954-9-2 s.n. Humboldt Along Redwood Highway between Trinidad Head and Patrick Point Comment
  HSC6056  Petasites frigidus var. palmatus S. S. Stutz 1963-3-24 13 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  BLMAR530  Phacelia bolanderi Jennifer Wheeler 2009-6-23 530 Humboldt King range, On Paradise Ridge road Comment
  HSC42200  Phacelia bolanderi Ed Cope 1977-4-23 22 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC673279  Phacelia bolanderi Lincoln Constance and Reed C. Rollins 1942-5-20 2999 Humboldt Dyerville Bridge Klamath-Siskiyou region, Eeel River (2 mi n of Weott) 48 Comment
  HSC100721  Phacelia bolanderi Carl C. Marshall Jun 1887 409 Humboldt S Fork of Eel River and Eel River. Comment
  RSA201448  Phacelia egena Alice Eastwood, J. T. Howell 1937-6-23 4759 Humboldt Dinsmore s. Comment
  UC562573  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1926-6-20 7661 Humboldt lower slopes Horse Mt. 914 Comment
  UC666591  Phacelia nemoralis subsp. oregonensis W. S. Boyle 1942-5-9 1086 Humboldt within 50 yd Redwood Highway, #101 (overlooking South Fork of the Eel River, 1 mi from n boundary of Mendocino Co.) Comment
  UCD88333  Phalaris angusta A. A. Beetle; J. P. Tracy, G. L. Stebbins Jr. 1942-6-2 3465 Humboldt 1 mile E of Alton. Comment
  CDA20501  Phalaris arundinacea P. Haggard 2004-7-8 PDR 1285917 Humboldt North Coast; Alder Grove Park near pond. 0 Comment
  HSC98094  Philadelphus lewisii Cara Witte 2007-7-11 484 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1396 Comment
  SDSU904  Philadelphus lewisii Harvey 1938-8-14 2335 Humboldt US 299 Comment
  UCSB25252  Philadelphus lewisii Tracy, Joseph 1937-6-20 Humboldt Bear River; 10 mi up from the mouth 152 Comment
  HSC58543  Phleum alpinum Overton, Butler 1979-7-23 9546 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC526749  Phleum pratense Joseph P. Tracy 1933-7-21 12822 Humboldt Valley of South Yager Creek 762 Comment
  HSC17182  Phlox adsurgens D. E. Anderson 1965-5-15 3693 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  RSA183512  Phlox adsurgens D. E. Anderson 1965-5-15 3693 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  JEPS79944  Phlox diffusa Joseph P. Tracy 1932-7-18 10699 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  JEPS71126  Phlox gracilis Joseph P. Tracy 1933-7-11 12699 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1198557  Phlox gracilis Joseph P. Tracy 1908-6 2829 Humboldt nw slope Buck Mountain; Northern Coast Ranges 914 Comment
  UC52845  Phlox gracilis Joseph Burtt Davy and Walter C. Blasdale 1899-5 5789 Humboldt Trinity Summit Comment
  UC672881  Phyllospadix scouleri Joseph P. Tracy 1938-9-9 16147 Humboldt Trinidad Comment
  HSC83091  Phyllospadix torreyi Geo. W. Burtchett 1965-7-29 Humboldt Palmer's Point 0 Comment
  CAS-BOT-BC140582  Physocarpus capitatus Carl B. Wolf 1927-8-30 1227 Humboldt 2 mi. s. of Petrolia on the [Matole] Mattole River near point where road crosses river Comment
  SEINET4090988  Physocarpus capitatus O. M. Clark 1932-1 5313 Humboldt South Eureka. Comment
  CAS-BOT-BC73448  Picea sitchensis Ira L. Wiggins 1932-6-18 5870 Humboldt Hillside just north of mouth of Little River. Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  NY34411  Picea sitchensis E. K. Balls 1953-10-11 18631 Humboldt 23.4 miles north of Petrolia on Old Coast Road, toward Ferndale 365.8 Comment
  SBBG25612  Picea sitchensis E. R. Blakley 1966-8-17 6802 Humboldt Patrick's Pt, 5 mi N of Trinidad 60 Comment
  SD41319  Picea sitchensis Edith A. Purer 1932-7-26 4127 Humboldt Near Samoa Comment
  UC535711  Picea sitchensis Eleanor Armstrong 1934-7-31 1145 Humboldt Patricks Point 30 Comment
  UCSB21640  Picea sitchensis Haller, John 1967-6-17 Humboldt East side of Stone Lagoon near U.S. 101, 5 miles S. of Orick 15 Comment
  CAS-BOT-BC78287  Pinus attenuata Henry M. Pollard 1947-9-1 s.n. Humboldt Ridge approaching Somes Peak, Orleans region 1219 Comment
  HSC99044  Pinus attenuata Cara Witte 2008-6-15 752 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  JEPS46793  Pinus attenuata W. L. Jepson 1902-7-1 Humboldt trail to Trinity Summit from Hupa Valley Comment
  SD42286  Pinus attenuata Carl B. Wolf 1937-8-13 Humboldt North Coast Range, 8 miles east of Hoop Valley on new road towards Trinity Summit 1220 Comment
  MACF017417  Pinus contorta Trudy R. Ericson 1974-8-5 198 Humboldt Hwy 255 between Eureka and Arcata, near the shore Comment
  RSA46681  Pinus contorta var. contorta Doris K. Kildale 1937-8-12 15084 B Humboldt South Fork Mountain. Comment
Read comments
Jun 21 2012
  HSC1529  Pinus muricata R. A. Magie 1964-5-3 46 Humboldt 2 mi. N of Trinidad on old Hwy. to Crescent City. Comment
  CAS-BOT-BC79030  Pinus ponderosa Doris K. Kildale 1927-12-1 4199 Humboldt Klamath River at Orleans Comment
  UC666983  Piperia unalascensis Joseph P. Tracy 1933-7-25 12880 Humboldt Grouse Mountain 1524 Comment
  HSC34541  Pityopus californicus Rudolf W. Becking 1971-9-24 Humboldt HSC School Forest Freshwater. Bulk Collection 21 Comment
  CAS-BOT-BC71823  Pityrogramma Kenneth Clark 1980-6-14 693 Humboldt North fork Dead Man's Gulch, Point Delgada quad. 91 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
  HSC57196  Plagiobothrys bracteatus Griswold, Butler 1979-7-11 7046 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC99421  Plagiobothrys hispidulus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 70 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
  HSC41224  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3593 Humboldt Margin of pond above Alder Springs 1585 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
  UC179943  Plagiobothrys reticulatus Joseph P. Tracy 1914-5-30 4486 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC668231  Plagiobothrys reticulatus Joseph P. Tracy 1938-6-17 15963 Humboldt s of point Cape Mendocino 3 Comment
  JEPS60973  Plagiobothrys reticulatus Joseph P. Tracy 1916-5-31 4691 Humboldt Holmes Flat, along Eel River from South Fork to Scotia Northern Coast Ranges, Eel River 60 Comment
  JEPS60974  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1918-7-5 5010 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  JEPS60992  Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1932-6-26 10274 Humboldt Fort Baker Ranch North Coast Ranges 762 Comment
  SEINET12275869  Plagiobothrys scouleri J. P. Tracy 1949-1 18315 Humboldt Fickle Hill, 6 mi SE of Arcata 610 Comment
  UC1222201  Plagiobothrys scouleri Joseph P. Tracy 1950-6-29 18936 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1239607  Plagiobothrys stipitatus Gertrude Robinson 1940-4-28 Humboldt Bridgeville 198 Comment
  UC175681  Plagiobothrys tenellus Joseph P. Tracy 1908-6-9 2646 Humboldt gravelly hills Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1196145  Plantago erecta Joseph P. Tracy 1946-6-2 17553 Humboldt near Samoa; Humboldt Bay 6 Comment
  JEPS7136  Plantago lanceolata Lincoln Constance 1934-5-27 700 Humboldt s end Dyerville Bridge (on South Fork Eel River); South Fork Eel River, Bull Creek Region 45 Comment
  HSC62684  Plantago lanceolata Michelle Stevens 1979-4-21 58 Humboldt Ponds across from Clam Beach 0 Comment
  RSA68979  Plantago maritima F. W. Peirson 1923-7-11 3857 Humboldt Flats north of Eureka. Comment
  UC1196131  Plantago maritima var. californica Joseph P. Tracy 1927-6-8 8108 Humboldt Trinidad 30 Comment
  RSA412592  Plantago purshii var. oblonga H. M. Pollard 1947-8-23 s.n. Humboldt Air Landing Field, west of Orleans. Comment
  HSC54529  Platanthera sparsiflora Overton, Butler 1979-7-23 9471 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  JEPS51633  Platystemon californicus Joseph P. Tracy 1866-4-4 Humboldt Eureka Comment
  UC146077  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach (at Humboldt Bay); Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  UC1239587  Plectritis congesta Joseph P. Tracy 1921-6-12 5814 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1152046  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  HSC91883  Poa annua E. Mackey 1987-3-1 Humboldt Patrick's Point State Park. Comment
  RSA10141  Poa bolanderi Joseph P. Tracy 1932-7-12 10464 Humboldt Klamath Mountains, Trinity Summit, Head of Brett Hole 1829 Comment
  UC1103189  Poa bulbosa Joseph P. Tracy 1938-7-4 15988 Humboldt Valley of S Yager Creek 762 Comment
  HSC38919  Poa confinis Linda M. Barker 1976-4-30 1412 Humboldt 3 mi. W of Arcata Comment
  HSC10705  Poa douglasii S. J. Moore 1965-5-9 48 Humboldt Dry Lagoon State Park, near entrance. Comment
  HSC10706  Poa douglasii R. E. Hafenfeld 1965-5-9 59 Humboldt 1/2 mi. S Ossagon Creek, near Gold Bluff Beach Rd. Comment
  UC1145115  Poa douglasii Joseph P. Tracy 1947-7-3 17766 Humboldt mouth of Little River 6 Comment
  RSA10047  Poa howellii Joseph P. Tracy 1929-7-4 8619 Humboldt French Camp Ridge 1067 Comment
  UCD91134  Poa howellii Al Murphy 1949-6-8 s.n. Humboldt W.O. Perry 1/2 mile below house on ranch road. Comment
  HSC75699  Poa pratensis Bill Copeland 1980-6-26 565 Humboldt Near Snow Camp Lake 1372 Comment
  HSC98173  Poa pratensis R. D. Modafferi 1965-5-13 77 Humboldt 2.2 mi. N of Trinidad on Trinity St. 305 Comment
  HSC40517  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1976-6-22 2876 Humboldt Area at Goat Hill. 1666 Comment
  UC525661  Poa secunda subsp. secunda Joseph P. Tracy 1932-7-17 10693 1/2 Humboldt head of Devil's Hole Trinity Summit; Klamath Mts 1828 Comment
  UC525667  Poa secunda subsp. secunda Joseph P. Tracy 1927-5-15 8051 Humboldt w Hoopa Valley (Supply Creek); North Coast Ranges 304 Comment
  RSA10114  Poa trivialis Joseph P. Tracy 1926-6-12 7587 Humboldt near Quick at Davison's Ranch. 61 Comment
  UCD52731  Podagrostis humilis A. H. Murphy 1951-6-25 65 Humboldt Snow Camp Meadow, 8 miles e.n.e. Kneeland. 1402 Comment
  HSC94146  Polycarpon tetraphyllum Gordon Leppig, Sylvia Leppig 2000-12-7 1524 Humboldt 10th and I St. in Arcata 6 Comment
  POM138540  Polygala californica H. P. Chandler 1901-06 1328 Humboldt Hupa Indian Reservation. 152 Comment
  HSC64167  Polygala cornuta J. O. Sawyer, K. A. Sawyer 1979-6-24 3411 Humboldt Slopes alongside Aikens Creek. 366 Comment
  HSC17223  Polygala cornuta J. P. Tracy, H. E. Parks Humboldt Hors Linto Rd., Trinity River 610 Comment
  HSC100601  Polygonum bistorta Carl C. Marshall Jun 1886 269 Humboldt Trinity Summit. Comment
  POM126162  Polygonum bolanderi Joseph P. Tracy 1921-8-21 5944 Humboldt Trinity River at mouth of South Fork. 152 Comment
  UC672936  Polygonum douglasii Joseph P. Tracy 1936-8-2 15069 Humboldt French Camp Ridge 1066 Comment
  UC672935  Polygonum douglasii Joseph P. Tracy 1932-8-21 10366 Humboldt Three Cabins North Coast Ranges, Chararral Mountain (w foothills of mt.) 457 Comment
  HSC57966  Polygonum minimum G. L. Clifton, Griswold 1979-7-31 11683 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC109181  Polygonum paronychia Alice Eastwood 1923-8-14 12314 Humboldt Samoa. Comment
  HSC59461  Polygonum paronychia M. A. Ericksen 1979-5-18 296 Humboldt Samoa Dunes, .5 mi. S of Simpson Timber Company plant entrance Comment
  HSC64430  Polygonum paronychia J. P. Smith 1971-10-6 4957 Humboldt End of Murray Rd. in McKinleyville. Comment
  JEPS50609  Polygonum persicaria Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC132196  Polygonum persicaria J. P. Tracy 1904-7-1 2105 Humboldt Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC419854  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1937-6-23 4812 Humboldt Little Van Duzen River Comment
  JEPS51274  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC902112  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1949-8-11 18480 Humboldt 2-6 mi s Grouse Mt.; Kinsey Ridge 1402 Comment
  CDA36030  Polygonum polystachyum R. Robison 2011-6-3 Humboldt Trinidad State Beach, Stagecoach Road 0 Comment
  UC1052469  Polygonum sachalinense H. E. and S. T. Parks July 1952 24448 Humboldt Hwy 10 s Elk River Bridge Comment
  CDA2919  Polygonum sachalinense T. C. Fuller 1960-8-25 4973 Humboldt Northwestern; Outer North Coast Ranges region; West of Highway 101, 0.25 mile north of Humboldt Hill Road, Eureka. 0 Comment
  HSC54719  Polygonum spergulariiforme Overton, Butler 1979-7-26 10094 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  HSC98570  Polygonum spergulariiforme Cara Witte 2007-9-14 647 Humboldt Forest Service Road 4N32. 4/10 mile north of intersection with Forest Service Road 4N32B. 1413 Comment
  HSC70409  Polypodium californicum M. A. Baker 1980-6-7 1832 Humboldt Near Ammon Creek 732 Comment
  CHSC68484  Polypodium glycyrrhiza Vernon H. Oswald 1997-4-10 8320 Humboldt Road paralleling Hwy. 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  CHSC19517  Polypodium scouleri J. F. Knezevich 1968-5-13 429 Humboldt Collected near Arcata above Freshwater Forest. Comment
  POM188096  Polypodium scouleri Marcus E. Jones 1931-7-12 29178 Humboldt Alton. Comment
  HSC1113  Polypodium scouleri D. E. Anderson 1961-8-11 1723 Humboldt E of HSC campus Comment
  UC1472770  Polypodium scouleri Mrs. Carlotta C. Hall 1924-8-10 233 Humboldt 10 mi above Carlotta (along Van Duzen River, on rd. to Redding) Comment
  JEPS72934  Polypogon interruptus Lincoln Constance 1934-5-31 766 Humboldt n side of Bull Creek from w boundary of park to Grasshopper Pk. (Squaw Cr.) Bull Creek Region (Bull Cr. Flat, Bull Creek Region, South Fork Eel River); South Fork Eel River, , along Bull Creek Comment
  RSA10062  Polypogon interruptus Joseph P. Tracy 1930-6-29 8819 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  UC1440054  Polystichum californicum Danin & H. G. Baker 1960-9-2 659 Humboldt Ave. of Giants Comment
  HSC73804  Polystichum imbricans M. Baker 1980-6-16 1928 Humboldt Near Monk's Camp 1097 Comment
  CAS-BOT-BC76763  Polystichum imbricans subsp. imbricans L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road. Comment
  UC1440064  Polystichum munitum Danin & H. G. Baker 1960-9-2 658 c Humboldt ca. 2 mi n of Dyerville (High Rock (on W side of Eel River), along Ave. of the Giants) Comment
  UCD136543  Polystichum munitum Linda M. Barker 1976-4-30 1414 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC1150  Polystichum munitum J. W. Johnson 1962-3-9 1181 Humboldt Along Lanphere Lane, 150 ft. from gate, Samoa Peninsula Comment
  HSC98514  Polystichum munitum Cara Witte 2008-7-10 857 Humboldt Brays Opening on National Forest 1. 0.5 mi. north of intersection with Forest Service Road 4N38. 1393 Comment
  HSC66076  Polystichum scopulinum M. S. Taylor, J. D. Jokerst, L. Ahart 1980-2-8 3214 Humboldt Humboldt Peak, N outcrop on the top 2155 Comment
  UC249538  Populus trichocarpa Joseph P. Tracy 1922-10-8 6121 Humboldt Mad River at Blue Lake (Northern Coast Ranges); , Mad River at Blue Lake 30 Comment
  JEPS42963  Potamogeton amplifolius W. L. Jepson 1936-8-17 17933 Humboldt Mad River near Arcata; Mad River Comment
  UC1103510  Potamogeton foliosus Joseph P. Tracy 1940-10-17 16774 Humboldt 2 to 5 mi e of South Fork (Camp Grant); Eel River 45 Comment
  JEPS42953  Potamogeton richardsonii E. G. Pluke 1926-8-1 Humboldt w of Dow's Prairie (at mouth of Widow White Creek); Widow White Creek 3 Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  HSC101986  Potentilla glandulosa var. glandulosa M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 884 Humboldt Patterson Meadows 1566 Comment
  HSC35611  Potentilla gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2023 Humboldt Beside Bald Hills Rd. 1 mi. E of Redwood National Park Comment
  UC279095  Potentilla gracilis var. gracilis H. E. Parks 1925-6-17 Humboldt Kneeland Comment
  UC1541679  Potentilla gracilis var. gracilis H. E. Parks June, 1924 Humboldt Kneeland; Bald Hills, Kneeland Comment
  HSC15460  Prosartes hookeri D. E. Anderson 1963-5-25 2489 Humboldt 0.5 mi. S of Capetown Comment
  HSC97464  Prosartes hookeri Cara Witte 2007-5-31 149 Humboldt Road to Board Camp Mountain Lookout. Along 4N38. 1/2 mile south of intersection with National Forest 1. 1330 Comment
  CAS-BOT-BC517502  Prosartes smithii Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC15472  Prosartes smithii T. W. Beck 1963-5-10 45 Humboldt Camp Bauer, Korbel Comment
  HSC15481  Prosartes smithii K. P. St. John 1965-5-5 12 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  SEINET13947064 Image available Prunella vulgaris W. J. Ferlatte, B. D. Rogers 1966-1 2083 Humboldt 1 mi E of Forest Glen; 2400 ft alt., T29E, R8E, SEC19 732 Comment
  SEINET13947097 Image available Prunella vulgaris W. J. Ferlatte, B. D. Rogers 1966-1 2083 Humboldt 1 mi E of Forest Glen; 2400 ft alt., T29E, R8E, SEC19 732 Comment
  UCD125357  Prunella vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek, near the quarry. 152 Comment
  HSC14303  Prunella vulgaris subsp. lanceolata William J. Ferlatte, B. D. Rodgers 1966-6-7 2083 Humboldt 1 mi. E of Forest Glen 732 Comment
  HSC22507  Prunella vulgaris subsp. lanceolata J. R. Lippincott 1967-7-16 5 Humboldt Near N Fork Mad River bridge 152 Comment
  UC1196727  Prunella vulgaris var. lanceolata J. P. Tracy 1911-8-27 3533 Humboldt immediate vicinity Eureka 0 Comment
  UC630493  Prunella vulgaris var. lanceolata H. E. and S. T. Parks July, 1937 24052 Humboldt Spruce Cove Trinidad; , Trinidad Comment
  HSC48828  Prunus emarginata Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 42 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC57014  Prunus emarginata Overton, Butler 1979-7-24 9614 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  HSC97488  Prunus emarginata C. Witte 2007-5-18 41 Humboldt Intersection to Grouse Mountain Lookout. 1644 Comment
  RSA249327  Prunus emarginata D. E. Anderson 1972-6-13 5572 Humboldt Westward lower slopes of Black Lassic near Trinity County line. 1585 Comment
  UC1198770  Prunus emarginata Joseph P. Tracy 1920-4-18 5314 Humboldt around Humboldt Bay (Mad River, near bridge on Trinidad Road); Northern Coast Region, Mad River 15 Comment
  UC902151  Prunus emarginata Joseph P. Tracy 1944-5-20 17473 Humboldt Eureka, on 2nd St. between K and L Sts Eureka 9 Comment
  UCSB30606  Pseudognaphalium californicum Edwards, David 1974-8-14 Humboldt S. side of dirt Rd., ca. 1/2-1/3 mi. in on dirt road from jct. with Fickle Hill Rd., ca. 1/4 mi. from jct. of Fickle Hill Rd. and Park Ave. Comment
  UC164851  Pseudognaphalium ramosissimum Joseph P. Tracy 1909-9-19 3095 Humboldt sand dunes of ocean beach at Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  HSC35014  Pseudognaphalium stramineum Thomas W. Nelson, James Nelson 1974-9-15 1714 Humboldt W of Fairhaven, Samoa Peninsula Comment
  CAS-BOT-BC357605  Pseudognaphalium stramineum L. R. Abrams 1922-6-25 8223 Humboldt 6 mi north of Garberville Comment
  UC31991  Pseudognaphalium stramineum C. C. Marshall 1888-1 Humboldt Comment
  HSC57047  Pseudognaphalium thermale Overton, Butler 1979-7-24 9696 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC5708  Pseudognaphalium thermale J. P. Tracy 1938-8-14 16111 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC180193  Pseudognaphalium thermale Joseph P. Tracy 1914-9-6 4622 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1066 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
  UCD135129  Pseudotsuga menziesii var. menziesii P. Zinke 1950-8-3 145 Humboldt California Forest and Range Experiment Station. 3 miles south of Harris. Comment
  HSC102554  Pteridium aquilinum var. pubescens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1542 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC55030  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-31 11466 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC55265  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-8-2 12617 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 Comment
  CAS-BOT-BC462871  Pyrola asarifolia Joseph P. Tracy 1936-6-28 15016 Humboldt Bald Mountain, at Lake Prairie 1066 Comment
  HSC75947  Pyrola crypta Overton, Butler 1979-7-24 9719 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CAS-BOT-BC62628  Quercus chrysolepis Doris K. Kildale 1926-12-26 2880 Humboldt Kneeland Prairie 853 Comment
  HSC8335  Quercus chrysolepis Elrid H. Spinas 1948-5-22 36 Humboldt Horse Mtn. Comment
  CAS-BOT-BC94306  Quercus garryana Roxana S. Ferris 1955-7-11 12973 Humboldt Summit of US Highway 299 betw. Willow Creek and Blue Lake Comment
  HSC53996  Quercus garryana Griswold, Butler 1979-7-11 7083 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC709423  Quercus garryana Joseph P. Tracy 1941-3-26 16845 Humboldt w of mouth of South Fork of Trinity River; South Fork of Trinity River 304 Comment
  CAS-BOT-BC105161  Quercus kelloggii Doris K. Kildale 1926-4-11 1759 Humboldt Bridgeville 228 Comment
  CAS-BOT-BC105169  Quercus kelloggii Doris K. Kildale 1930-4-13 9579 Humboldt Bridgeville 289 Comment
  CAS-BOT-BC105170  Quercus kelloggii Roxana S. Ferris 1955-7-11 12974 Humboldt Summit of US Highway 299 betw. Willow Creek and Blue Lake Comment
  RSA624390  Quercus kelloggii Louis C. Wheeler 1952-9-14 6931 Humboldt [No location information on label.] Comment
  UC672858  Quercus kelloggii Joseph P. Tracy 1940-9-15 16723 Humboldt Willow Creek Trinity River Valley 152 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
  CHSC74987  Quercus sadleriana D. Sanchez-Mata 1997-9-20 Humboldt Hoopa. Big Hill Lookout Road. 1230 Comment
  RSA622137  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest. 1463 Comment
  CAS-BOT-BC539322  Quercus wislizeni Lois Weeth; Kerry Heise; John M. Tucker 2003-10-21 s.n. Humboldt 22 mi from Garberville along Alderpoint Rd; stop #2 116 Comment
  HSC98340  Quercus wislizeni Jimerson, J. Pageau 1979-6-12 540 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  UC1196506  Quercus wislizeni Joseph P. Tracy 1923-10-14 6577 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC1196264  Ranunculus J. P. Tracy 1902-8-10 1766 Humboldt R. R. Station Immediate vicinity of Eureka 0 Comment
  HSC56056  Ranunculus alismifolius var. hartwegii G. L. Clifton, Griswold 1979-7-31 11674 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC379199  Ranunculus aquatilis var. aquatilis Henry M. Pollard 1946-8-13 s.n. Humboldt pond near Harley place, Orleans region Comment
  HSC45584  Ranunculus californicus Diane L. Reed 1978-4-29 40 Humboldt Trinidad Head Comment
  HSC18136  Ranunculus californicus var. californicus J. R. Kahl 1962-5-11 30 Humboldt 2 mi. S of Trinidad along Hyw. 101 Comment
  HSC18135  Ranunculus californicus var. cuneatus A. H. Teshima 1963-2-15 2 Humboldt Moonstone Beach Comment
  RSA273369  Ranunculus flammula J. O. Sawyer 1977-4-25 3043 Humboldt Along N side of Buttermilk lane Sunnybrae. Across the street from 1425 Buttermilk Lane Comment
  RSA85287  Ranunculus flammula var. ovalis F. W. Peirson 1923-7-11 3726 Humboldt 7 miles N of Arcata. Comment
  HSC100618  Ranunculus flammula var. reptans Carl C. Marshall May 1886 200 Humboldt Damp places. Comment
  JEPS79959  Ranunculus occidentalis Joseph P. Tracy 1932-7-18 10701 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  HSC71029  Ranunculus occidentalis Thomas W. Nelson 1977-4-20 3321 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  UCD96942  Ranunculus occidentalis R. N. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC18159  Ranunculus occidentalis var. occidentalis A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek junction: N Bank; 100 yards W of Lindsey Creek Comment
  HSC18170  Ranunculus occidentalis var. occidentalis Francis Winter 1960-4-23 Humboldt 1.0 mi. N of Dollar Ranch on Korbel-Maple Creek Rd. 229 Comment
  HSC82102  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, Jane P. Nelson 1980-5-25 5266 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  RSA21038  Ranunculus occidentalis var. rattanii Carl B. Wolf 1937-6-19 8907 Humboldt Van Duzen River at Dunns Mill, 5 miles below Bridgeville. 91 Comment
  UC1196256  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1912-6-2 3641 Humboldt Eureka Northern Coast Region 0 Comment
  UC118220  Ranunculus orthorhynchus var. orthorhynchus J. W. Blankinship 1893-6-15 Humboldt Yager Comment
  HSC26651  Ranunculus orthorhynchus var. platyphyllus Thomas W. Nelson 1971-5-29 449 Humboldt Beside Snow Camp Rd. Comment
  UC1196263  Ranunculus parviflorus Joseph P. Tracy 1942-6-2 17110 Humboldt roadside 2 mi n Bridgeville 457 Comment
  HSC32043  Ranunculus parviflorus J. D. Ackerman 1974-6-12 317 Humboldt 1 mi. N of Manila between Mad River Slough and sand dunes Comment
  UC1713273  Ranunculus pusillus Joseph P. Tracy 1919-5-31 5177 Humboldt opposite Willow Creek (shores of pond); Northern Coast Regions, Trinity River, Lack Pond 152 Comment
  HSC95591  Ranunculus repens Andrea Pickart 2002-3-31 24 Humboldt Arcata Marsh, Dan Hauser Marsh 0 Comment
  UCD18404  Ranunculus testiculatus Jack Major 1982-4-18 s.n. Humboldt 13 miles east of Winnemucca on I-80, north lane. Comment
  HSC55698  Ranunculus uncinatus Overton, Butler 1979-7-26 10022 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC1196266  Ranunculus uncinatus Joseph P. Tracy 1937-7-2 15404 Humboldt head of Little Hors-Linto Creek Trinity Summit 1371 Comment
  HSC12337  Raphanus sativus Steve Dorei 1970-10-26 115 Humboldt Arcata, South G st. Comment
  POM244261  Rhamnus californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of S Fork of Trinity River, on road to sandy bar swimming hole. 244 Comment
  RSA601956  Rhamnus californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter cove. 61 Comment
  UC1193393  Rhamnus californica R. H. Neuns 1950-10-9 134 Humboldt near Thorne 609 Comment
  UC902200  Rhamnus purshiana Joseph P. Tracy 1947-7-5 17818 Humboldt Box Camp Trinity Summit 1463 Comment
  CAS-BOT-BC58194  Rhododendron columbianum Ynez Whilton Winblad 1941-6-27 s.n. Humboldt Between Eureka and Orick. Comment
  HSC27016  Rhododendron columbianum Brad Klipfel 1973-8-9 268 Humboldt Big Lagoon County Park Comment
  HSC91899  Rhododendron columbianum Susan H. Bicknell 1987-9-1 Humboldt Patrick's Point State Park, Penn Creek campground Comment
  HSC33060  Rhododendron macrophyllum Thomas W. Nelson 1974-5-7 1239 Humboldt Old Kneeland Rd. Comment
  UC1193361  Rhododendron macrophyllum R. H. Neuns 1950-10-10 137 Humboldt 2 mi ne of Thorne (Quadrangle 29C3) 335 Comment
  HSC7883  Rhododendron occidentale var. paludosum J. Pursell 1964-10-6 1062 Humboldt Big Lagoon Bog Comment
  RSA69331  Rhododendron occidentale var. paludosum F. W. Peirson 1923-7-11 3801 Humboldt 7 miles N of Arcata. Comment
  UC667066  Ribes binominatum Joseph P. Tracy 1933-8-30 13058 Humboldt on e slope Grouse Mountain (near lookout station) 1615 Comment
  HSC103240  Ribes bracteosum Jade Paget-Seekins 2010-4-18 10 Humboldt Near the bottom of Bald Hills Road, on the edge of the parking lot for Redwood Creek trailhead. 19 Comment
  HSC56243  Ribes bracteosum Walter Overton 1979-8-1 12345 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  JEPS49272  Ribes bracteosum Mrs. M. H. Manning 1901-1 Humboldt near Hupa Comment
  UC667032  Ribes bracteosum Joseph P. Tracy 1938-8-14 16105 Humboldt along Trinity Highway Willow Creek Canyon 762 Comment
  HSC100490  Ribes bracteosum Carl C. Marshall May 1886 194 Humboldt Near stream. Comment
  CAS-BOT-BC169114  Ribes inerme var. inerme Brant Rogers; Arnold Tiehm 1978-6-2 944 Humboldt Badger Mt., Badger Creek near Badger Cabin on the E side of the Mt. - Sheldon National Wildlife Refuge 1828 Comment
  CAS-BOT-BC168854  Ribes inerme var. klamathense Joseph P. Tracy 1939-5-6 16281 Humboldt Lack Pond, in Trinity River Valley, opposite mouth of Willow Creek 152 Comment
  HSC82210  Ribes inerme var. klamathense Thomas W. Nelson, Jane P. Nelson 1977-5-30 3420 Humboldt Beside State Route 36 just W of Dinsmore at Hwy bridge over Van Duzen River 732 Comment
  HSC97603  Ribes lacustre Cara Witte 2007-5-31 162 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1547 Comment
  UC492208  Ribes lacustre Joseph P. Tracy 1932-7-16 10623 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC176804  Ribes laxiflorum Harley P. Chandler 1901-5-1 1202 Humboldt Humboldt Bay 30 Comment
  UC11582  Ribes laxiflorum Harley P. Chandler May, 1901 1202 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  CAS-BOT-BC173358  Ribes lobbii Harley P. Chandler 1901-6-1 1278 Humboldt Hupa Indian Reservation 1097 Comment
  UC1198924  Ribes lobbii Joseph P. Tracy 1942-6-23 17249 Humboldt near Box Camp; Trinity Summit 1584 Comment
  UC1541330  Ribes lobbii J. P. Tracy July 1933 Humboldt Horse Mountain Comment
  RSA0021632  Ribes malvaceum L. R. Abrams, R. C. Bacigalupi 1922-6-25 8293 Humboldt Bluffs north of Big Lagoon. Comment
  HSC74200  Ribes marshallii M. A. Baker 1980-7-19 3033 Humboldt Near Bret Hole. 1814 Comment
  UC552244  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  UC902057  Ribes roezlii Joseph P. Tracy 1942-3-8 17066 Humboldt Miranda South Fork of Eel River 121 Comment
  UCR270273  Ribes roezlii John F. Emmel 2003-7-30 1799 Humboldt North Coast Range, Redwood National Park, 16.6 road miles southeast of Hwy 101 on Bald Hills Road, c. 0.3-0.4 air mile west of Schoolhouse Peak 823 Comment
  UC1198938  Ribes roezlii var. cruentum Joseph P. Tracy 1942-4-4 17068 Humboldt Trinity Highway Berry Mt. 670 Comment
  UC1198942  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18397 Humboldt Grouse Mountain 1584 Comment
  UCD102483  Ribes roezlii var. cruentum Roman Gankin; W. R. Hildreth 1966-3-15 697 Humboldt State Highway 96, 2 miles north of Weitchpec. Comment
  RSA0024583  Ribes roezlii var. cruentum Jim R. Shevock 1972-3-26 1465 Humboldt Panther Ridge, W of Willow Creek. 305 Comment
  HSC70756  Ribes sanguineum R. York 1980-5-17 527 Humboldt Near Le Perron Peak 1066 Comment
  UC709454 Image available Ribes sanguineum Joseph P. Tracy 1941-4-8 16852 Humboldt Trinity Highway Willow Creek Canyon 762 Comment
  SEINET13942792 Image available Ribes sanguineum W. R. Rogers 1967-1 233 Humboldt Essex Lane, 0.5 mile north of Hwy 299 Comment
  HSC22045  Ribes sanguineum var. glutinosum B. D. Rogers, D. E. Anderson 1965-4-1 411 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC34637  Ribes sanguineum var. glutinosum Robert M. Specht 1975-4-9 121 Humboldt 2.5 mi. N of Trinidad on Patricks Point Dr., W side 61 Comment
  SFV18511  Ribes sanguineum var. glutinosum M. Cavelti 2002-3-2 4 Humboldt Trinidad State Beach. 20 feet west of steps down to College Cove. 38 Comment
  CAS-BOT-BC173994  Ribes viscosissimum Joseph P. Tracy 1932-7-12 10466 Humboldt Ridges East of Corral Prairie 1828 Comment
  HSC75512  Ribes viscosissimum J. O. Sawyer, R. J. Cole 1977-7-3 3023 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  JEPS48557 Image available Ribes viscosissimum Hilda W. Grinnell 1932-7-9 6 Humboldt below McKay Camp; So. Fork Mt. Comment
  JEPS79969 Image available Ribes viscosissimum Joseph P. Tracy 1932-7-12 10466 Humboldt ridges e of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  UC667028 Image available Ribes viscosissimum Joseph P. Tracy 1933-7-16 12788 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC47612  Rigiopappus leptocladus J. P. Smith 1977-4-23 9027 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  UC495731  Robinia pseudoacacia Joseph P. Tracy 1932-5-17 10076 Humboldt Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC552252  Romanzoffia californica Joseph P. Tracy 1924-4-27 6645 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC775205  Romanzoffia tracyi H. E. and S. T. Parks 1933-3-1 5269 Humboldt Spruce Cove 2 mi n of Trinidad; Spruce Cove Comment
Read comments
Jun 26 2012
  CAS-BOT-BC74513  Rorippa curvisiliqua Joseph P. Tracy 1931-9-7 9667 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC902157  Rosa Joseph P. Tracy 1947-6-5 17814 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC19615  Rosa californica Lincoln Constance 1934-5-26 654 Humboldt South Fork Eel River, S end of Dyerville Bridge. Comment
  BLMAR77  Rosa gymnocarpa Jennifer Anthony-Wheeler 1994-6-2 77 Humboldt IAQUA, growing along logging rd 3/4mi from beginning of rd 853 Comment
  CAS-BOT-BC146486  Rosa gymnocarpa L. B. Kildale 1930-7-11 10334 Humboldt Snow Camp, head of Redwood Creek Comment
  HSC76239  Rosa gymnocarpa Teresa Prendusi 1981-7-9 187 Humboldt Near Cedar Camp. 1268 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
  HSC99695  Rosa gymnocarpa Jimerson, J. Pageau 1979-6-12 532 Humboldt Near Hopkins Butte, close to the town of Orleans 1037 Comment
  UC1199036  Rosa gymnocarpa Joseph P. Tracy 1908-6 2730 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC492161  Rosa gymnocarpa var. gymnocarpa Joseph P. Tracy Jul 16 1930-Jul 19 1930 8909 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC146836  Rosa nutkana H. E. Parks; S. T. Parks 1937-5-1 5816 Humboldt Spruce Cove, Trinidad 60 Comment
  CAS-BOT-BC146846  Rosa nutkana Doris Kildale Gillespie 1931-6-7 10656 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC98988  Rosa nutkana Cara Witte 2007-7-3 412 Humboldt Along National Forest 1. Approximately 1 mile south of White Oak Opening. 1364 Comment
  SBBG27214  Rosa nutkana D. K. Kildale 1927-6-28 Humboldt Mad River at covered bridge Comment
  UC1174842  Rosa nutkana var. nutkana P. C. Everett and E. K. Balls 1959-10-25 23973 Humboldt 11.6 mi sw from Ferndale (on Old Coast Rd to Capetown) 243 Comment
  UC183754  Rosa nutkana var. nutkana Joseph P. Tracy 1912-10-20 3998 Humboldt Alton Northern Coast Region 30 Comment
  CAS-BOT-BC146882  Rosa rubiginosa Alice Eastwood 1921-7-21 10650 Humboldt Carlotta Comment
  UCD89725  Rubus fruticosus Lindsay Clark 2008-6-23 KRC 1 Humboldt Nadelos Campground in King Range Conservation Area, 3.8 miles SE of Shelter Cove. 551 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-BC148383  Rubus leucodermis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC74680  Rubus leucodermis Gail Newton 1981-7-10 2225 Humboldt Near Board Camp Butte 1494 Comment
  UC1193204  Rubus leucodermis P. Zinke 1950-8-4 152 Humboldt two mi w Harris Post Office; Quad. 29D3, w of Harris Post Office 853 Comment
  SD33957  Rubus parviflorus var. velutinus Doris K. Gillespie 1938-8-6 15397 Humboldt Eureka Comment
  CAS-BOT-BC156727  Rubus spectabilis David D. Keck; J. Clausen 1935-6-16 3394 Humboldt Mouth of Little River, at roadside Comment
  RSA183527  Rubus spectabilis M. L. Stuart 1965-4-25 20 Humboldt About 100 yards up the Fern Lake Road. Comment
  UC492167  Rubus spectabilis Joseph P. Tracy 1927-6-26 9333 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 6 Comment
  CAS-BOT-BC156728  Rubus spectabilis Duart V. Brown 1947-3-27 18 Humboldt Tectah Creek, Klamath River Comment
  HSC19694  Rubus ursinus Lincoln Constance 1934-5-29 727 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC70847  Rubus ursinus M. A. Baker 1980-6-7 1829 Humboldt Near Ammon Creek 732 Comment
  UC902164  Rubus ursinus Joseph P. Tracy 1946-8-25 17637 Humboldt 2 mi s Field's Landing; s of Field's Landing 6 Comment
  UCD17620  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 044 Humboldt California. Humboldt County: Ettersburg. Comment
  UCD100980  Rumex acetosella Linda M. Barker 1976-5-13 1483 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA256728  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills road. 549 Comment
  HSC37419  Rumex crispus Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 515 Humboldt Along Lost Man Creek. 38 Comment
  RSA755178  Rumex obtusifolius Robert F. Thorne, Percy C. Everett 1965-8-8 35261 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  CAS-BOT-BC109293  Rumex paucifolius R. K. Gierisch; D. H. Esplin 1969-7-1 3538 Humboldt Six Rivers. Grouse Mountain. 1584 Comment
  UC1191279  Rumex salicifolius var. transitorius Malcolm A. Nobs and S. Galen Smith 1958-8-9 1237 Humboldt s end Blue Lake (town) (on Mad River); Mad River Comment
  UC1197459  Rupertia physodes Joseph P. Tracy 1930-6-21 8774 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  HSC35617  Rupertia physodes Thomas W. Nelson, B. Reinhardt 1975-7-30 2112 Humboldt The road out Whiting Ridge at Whiting Spring Comment
  HSC49621  Ruppia maritima R. York 1979-5-23 311 Humboldt Old abandoned logging pond at the S end of H St. in Arcata 0 Comment
  RSA84988  Ruppia maritima F. W. Peirson 1923-7-11 3962 Humboldt 20 miles south of Eureka. Comment
  UC1100022  Ruppia maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1182 Humboldt ca 4 mi s Eureka (on Highway 101, near mouth of Elk River) Comment
  UC1103532  Sagina apetala Joseph P. Tracy 1946-6-23 17598 Humboldt roadside near Dan McBride place Kneeland Prairie 762 Comment
  UC1198323  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1911-7-9 3467 Humboldt near mouth Willow Creek (a tributary of Trinity R.); Northern Coast Ranges, Willow Creek (a tributary of Trinity 152 Comment
  UC161047  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-5-2 2181 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  JEPS51070  Sagina procumbens W. L. Jepson 1921-8-7 9337 Humboldt Stone Lagoon Humboldt Coast, Stone Lagoon Comment
  UC1173607  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14269 Humboldt meadows at Waterdog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC103806  Salix exigua L. R. Abrams 1916-7-11 6057 Humboldt mouth of Grizzly Creek on Van Duzen River in Redwood Forest Comment
  CAS-BOT-BC103823  Salix exigua Harold E. Parks 1931-5-14 0964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  RSA44504  Salix exigua H. M. Pollard 1947-8-21 s.n. Humboldt Klamath River [??] Boyle Creek. Orleans Region. 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-BC104107  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01336 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC104108  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01331 Humboldt channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC106856  Salix hookeriana Harold E. Parks 1931-8-1 01053 Humboldt Little River Lagoon Comment
  CAS-BOT-BC106862  Salix hookeriana W. J. Ferlatte 1967-6-13 1114 Humboldt Samoa Penn. 3 Comment
  CAS-BOT-BC107733  Salix hookeriana Harold E. Parks; Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon, Trinidad Comment
  CAS-BOT-BC107775  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-12 1246 Humboldt Gravelly floodplain of Van Dezen River at Blue Slide 91 Comment
  HSC90434  Salix hookeriana Jean Hanson 1980-3-8 17 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS12915  Salix hookeriana Joseph P. Tracy 1927-5-1 7953 Humboldt sandunes near Samoa; Northern Coast Region, on Humboldt Bay 6 Comment
  SBBG59110  Salix hookeriana H. E. Parks -Aug-1931 1053 Humboldt Little River Lagoon Comment
  UC1173587  Salix hookeriana Joseph P. Tracy 1937-7-27 15509 Humboldt Mad R. at mouth of Lindsey Creek; Mad R., Lindsey Creek 15 Comment
  UC303032  Salix hookeriana Joseph P. Tracy 1926-3-14 7391 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC470429  Salix hookeriana Joseph P. Tracy 1931-9-20 9687 Humboldt Trinidad Northern Coast Region 60 Comment
  UC481262  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC481270  Salix hookeriana Harold E. Parks 1931-5-28 1000 Humboldt Little River Lagoon Comment
  UC504060  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 7 Humboldt Samoa Comment
  UCD111038  Salix hookeriana Linda M. Barker 1976-4-30 1415 Humboldt 3 miles west of Arcata. Comment
  HSC75962  Salix jepsonii Overton, Butler 1979-8-2 12592 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  JEPS12975  Salix laevigata Joseph P. Tracy 1932-4-23 9835 Humboldt between Miranda and Redway (S. Fork of Eel River); Northern Coast Ranges 91 Comment
  HSC40871  Salix lasiandra Linda M. Barker 1976-9-3 1690 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC48060  Salix lasiandra Thomas W. Nelson 1978-4-23 3888 Humboldt Junction of Copher and Samoa Rds., N of Samoa Comment
  UC1196587  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1927-11-13 8394 Humboldt near mouth Little R.; Northern Coast Ranges, Little R. 6 Comment
  UC481295  Salix lasiandra subsp. lasiandra Harold E. Parks and Joseph P. Tracy 1931-5-17 966 Humboldt mouth of Willow Creek at Trinity R. (banks of Willow Creek); Willow Creek 150 Comment
  UC481296  Salix lasiandra subsp. lasiandra Harold E. Parks and Joseph P. Tracy 1931-5-17 966 Humboldt mouth of Willow Creek at Trinity R. (banks of Willow Creek); Willow Creek 150 Comment
  UC504058  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 2 Humboldt around Eureka Eureka Comment
  CAS-BOT-BC128190  Salix lasiandra var. lasiandra Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  CAS-BOT-BC107594  Salix lasiolepis Harold E. Parks; Susan T. Parks 1931-8-15 1079 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC107614  Salix lasiolepis Harold E. Parks 1933-2-26 10912 Humboldt Miranda, south fork of Eel River 121 Comment
  CAS-BOT-BC107615  Salix lasiolepis Harold E. Parks 1931-3-31 9327 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107646  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt Blue Slide, on Van Duzen River 91 Comment
  HSC93741  Salix lasiolepis Gordon Leppig 1998-4-7 734 Humboldt Horse Mtn., 854 Comment
  LA208778  Salix lasiolepis Joseph P. Tracy; 1933-4-2 10959 Humboldt Berry's Mountain; on Trinity Hwy; E of Redwood Creek 761 Comment
  UC1196625  Salix lasiolepis Joseph P. Tracy 1933-3-19 10930 1/2 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River (on gravel bar) 91 Comment
  UC469439  Salix lasiolepis Joseph P. Tracy 1931-11-8 9753 Humboldt Blue Slide Van Duzen River 91 Comment
  UC471109  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC490468  Salix lasiolepis Joseph P. Tracy 1932-9-5 10768 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC506374  Salix lasiolepis Joseph P. Tracy 1933-4-9 10964 Humboldt Bridgeville 228 Comment
  UC519349  Salix lasiolepis Joseph P. Tracy 1913-11-12 13115 Humboldt Miranda North Coast Ranges, South Fork of Eel River 91 Comment
  CDA39554  Salix lasiolepis Gordon Leppig 1999-4-15 1118 Humboldt Big Lagoon County Park; Big Lagoon Bog. Comment
  CAS-BOT-BC107287  Salix lasiolepis var. bigelovii Joseph P. Tracy 1933-3-19 10934 Humboldt along Van Duzen R. 228 Comment
  CAS-BOT-BC107288  Salix lasiolepis var. bigelovii Joseph P. Tracy 1933-4-9 10968 Humboldt along Van Duzen R. 228 Comment
  CAS-BOT-BC125624  Salix melanopsis Harold E. Parks 1931-5-28 01027 Humboldt Little River Lagoon, at sea level Comment
  CAS-BOT-BC125625  Salix melanopsis Joseph P. Tracy 1932-4-17 9798 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC125630  Salix melanopsis Harold E. Parks 1931-5-14 0965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  HSC20057  Salix melanopsis H. E. Parks Jun 1933 Humboldt S Fork Eel River Comment
  HSC20064  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 967 Humboldt Humboldt/Trinity Cos., below Willow Creek 152 Comment
  SBBG57935  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC469455  Salix melanopsis Joseph P. Tracy 1931-9-7 9644 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  UC469456  Salix melanopsis Joseph P. Tracy 1931-9-7 9632 Humboldt Trinity R. Valley at Willow Creek Bridge; Northern Coast Ranges, Trinity R Valley, Willow Creek 152 Comment
  UC512012  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1235 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UCR143008  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 0967 Humboldt North Coast, mouth of Willow Creek at Trinity River 150 Comment
  RSA0030801  Salix parksiana H. E. Parks 1931-5-14 0961 Humboldt Ban Duzen River between Alton and Carlotta 15 Comment
  CAS-BOT-BC129164  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  CAS-BOT-BC129165  Salix scouleriana Harold E. Parks 1933-1-1 1341 Humboldt Spruce Cove, Highway 101, Trinidad 64 Comment
  JEPS13084  Salix scouleriana Joseph P. Tracy 1936-2-2 14767 Humboldt vicinity of Carlotta 30 Comment
  UC1173625  Salix scouleriana Joseph P. Tracy 1937-3-21 15238 Humboldt near Grizzly Creek Van Duzen R. 91 Comment
  UC1196705  Salix scouleriana Joseph P. Tracy 1933-3-26 10945 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UC481241  Salix scouleriana Harold E. Parks 1931-12-1 1080 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 60 Comment
  UC490504  Salix scouleriana Joseph P. Tracy 1932-2-7 9771 Humboldt Scotia Northern Coast Ranges, Scotia 30 Comment
  UC490536  Salix scouleriana Joseph P. Tracy 1932-7-13 10518 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UC506348  Salix scouleriana Joseph P. Tracy 1933-3-12 10921 Humboldt Ferndale Northern Coast Ranges, Ferndale 30 Comment
  UC5092  Salix scouleriana C. C. Marshall 1888-1 Humboldt Comment
  POM219686  Salix sessilifolia H. E. Parks 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  HSC90747  Salix sitchensis Jean Hanson 1980-3-8 24 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC303028  Salix sitchensis Joseph P. Tracy 1926-2-21 7359 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481214  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC481383  Salix sitchensis Harold E. Parks 1931-3-26 908 Humboldt Van Duzen R. Alton; , Alton 15 Comment
  UC490535  Salix sitchensis Joseph P. Tracy 1932-7-13 10512 Humboldt at Corral Prairie Corral Prairie; Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC47490  Sambucus racemosa var. racemosa Sheila Logan 1978-4-9 13 Humboldt Fieldbrook, 0.5 mi. E of McKinleyville on Murray Rd. 122 Comment
  HSC59500  Sambucus racemosa var. racemosa M. A. Ericksen 1979-4-6 202 Humboldt 880 Central Ave. McKinleyville. Comment
  UCD137271  Sambucus racemosa var. racemosa David G. Forbes 1966-4-4 66- 432 Humboldt 1 miles north of Fresh Water Lagoon, U.S. Highway 101. 30 Comment
  UC180212  Sanguisorba officinalis subsp. microcephala Joseph P. Tracy 1914-9-6 4602 Humboldt Bald Mountain, between High Prarie and Snow Camp Northern Coast Ranges 1219 Comment
  HSC79384  Sanicula arctopoides Kenneth Clark 1981-5-24 1392 Humboldt Abalone Pt. 15 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
  JEPS220  Sanicula bipinnatifida Lincoln Constance 1934-6-3 806 Humboldt road from High Rock to Horse Prairie ((<High Rock> on Redwood Hwy, 1 mi n of Dyerville)); South Fork Eel River, Bull Creek Region Comment
  UC154131  Sanicula bipinnatifida Joseph P. Tracy 1909-8-1 3056 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC74740  Sanicula crassicaulis Gail Newton 1981-8-5 2361 Humboldt Near Bug Creek, E Fork. 820 Comment
  HSC81923  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1979-7-3 4963 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek roads. 610 Comment
  HSC55755  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-7-26 10289 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC1197092  Sanicula graveolens Joseph P. Tracy 1935-7-14 14069 Humboldt Grouse Mountain 1524 Comment
  HSC48975  Sanicula tracyi Bruce Miner, Bob Easton 1979-5-29 Humboldt At east approach to State Route 36 bridge over Van Duzen River 747 Comment
  HSC34957  Sanicula tuberosa Thomas W. Nelson 1975-5-24 1863 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC412776  Sarcodes sanguinea P. E. Goddard 1906-6 681 Humboldt ridge near <Lassick> Peak Comment
  UC1222363  Saxifraga ferruginea Joseph P. Tracy 1950-8-8 19295 Humboldt head of Croghan Hole (on Trinity Summit, [Granite Rock area]); Trinity Summit, Croghan Hole 1676 Comment
  UC666822  Saxifraga ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt near Ranger Station (Trinity Summit); Trinity Summit 1828 Comment
  UC1198889  Saxifraga mertensiana Joseph P. Tracy 1932-4-24 9813 Humboldt between Miranda and Redway (South Fork Eel River); North Coast Ranges, South Fork Eel River 91 Comment
  UC1197073  Scandix pecten-veneris Joseph P. Tracy 1923-3-17 6162 Humboldt Northern Coast Ranges, Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  HSC90687  Schoenoplectus americanus Gail Newton 1982-5-31 3562 Humboldt Elk River Wildlife Area, Eureka Comment
  CAS-BOT-BC111704  Schoenoplectus pungens var. badius Doris K. Kildale 1927-6-25 3550 Humboldt Shelter Cove, coastal Comment
  UC963872  Scirpus cernuus H. E. Parks and S. T. Parks August, 1943 24244 Humboldt Spruce Cove North Coast Ranges, , Trinidad (Trinidad) 60 Comment
  JEPS62101  Scoliopus bigelovii Lincoln Constance 1934-6-8 836 Humboldt Cow Creek fire-trail from Bull Creek rd. n. over the divide into the headwaters of Bear Creek; Bull Creek Region, S. Fork Eel R., Cow Creek fire-trail Comment
  SEINET12050513  Scoliopus bigelovii F. H. Utech 1988-1 88 -027 Humboldt 16.6 mi E on CA 36 from junction US 101 near junction of Grizzly Creek & Van Duzen River on CA 36 110 Comment
  HSC72406  Scrophularia californica J. P. Smith 1973-5-26 6820 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC97304  Scutellaria antirrhinoides Bryan Atkinson, Jenny Lynn Hutchinson 2007-6-11 4 Humboldt Near Grouse Mtn., 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1341 Comment
  UC1239705  Scutellaria antirrhinoides Joseph P. Tracy 1927-7-24 8296 Humboldt Mattole Valley 152 Comment
  UCD125672  Scutellaria antirrhinoides John M. Tucker 1948-9-3 1854 Humboldt On ridge between Horse and Grouse Mountains. 1463 Comment
  UC577338  Scutellaria siphocampyloides Joseph P. Tracy 1932-5-17 10083 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1225752  Sedum radiatum Joseph P. Tracy 1948-5-31 18000 Humboldt Harris Harris (on rock ledge in shade) 762 Comment
  HSC98691  Sedum radiatum Cara Witte 2008-7-7 837 Humboldt Horse Mountain Botanical Area. 6N38. 1 mile southeast of Horse Mountain Mine. 1312 Comment
  CAS-BOT-BC63791  Sedum radiatum subsp. radiatum Doris K. Kildale 1926-5-31 2021 Humboldt Miranda, on South Fork of Eel River Comment
  UC1776736  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt in redwood forest behind Humboldt State Universiy, at base of stump near Fern Lake spillway Arcata 48 Comment
  CAS-BOT-BC69737  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt Trinidad. 60 Comment
  POM182453  Selaginella wallacei Joseph P. Tracy 1912-7-26 3850 Humboldt Kneeland Prairie. 762 Comment
  RSA275307  Senecio elegans Thomas W. Nelson 1978-4-23 3880 Humboldt Adventive on coastal dunes northwest of Samoa Comment
  CAS-BOT-BC364012  Senecio integerrimus var. major Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  CAS-BOT-BC364021  Senecio integerrimus var. major Doris K. Kildale 1926-5-2 1896 Humboldt Willow Creek Flat 152 Comment
  HSC6156  Senecio integerrimus var. major H. E. Parks, J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley 762 Comment
  UC176813  Senecio integerrimus var. major Joseph P. Tracy 1913-6-17 4160 Humboldt near the summit Buck Mountain; Northern Coast Ranges 1524 Comment
  RSA167390  Senecio sylvaticus Joseph P. Tracy 1949-8-11 18467 Humboldt East of headwaters of Redwood Creek, electric power-line southward. Kinsey Ridge south from Grouse Mt., 2 to 6 miles. 1280 Comment
  SEINET11802649  Senecio sylvaticus J. P. Tracy 1949-1 18467 Humboldt S of crossing of powerline,E of headwaters of Redwood Creek, Kinsey Ridge, S from Grouse Mt., 2-6 mi 1280 Comment
  UCSB6689  Senecio sylvaticus Keator, Glenn 1958-6-18 Humboldt Near Ettersburg Comment
  HSC102100  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1003 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC53962  Senecio triangularis Griswold, Butler 1979-7-11 7015 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC57035  Senecio triangularis Overton, Butler 1979-7-24 9667 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC99427  Senecio triangularis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 76 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC205164  Senecio triangularis Joseph P. Tracy 1919-9-22 5263 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1889 Comment
  CAS-BOT-BC85840  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  NY64469  Sequoia sempervirens J. D. Mastrogiuseppe 11 1966 s.n. Humboldt Founder's Grove, Humboldt Redwoods State Park Comment
  UC195423  Sequoia sempervirens Joseph P. Tracy 1914-12-20 4638 Humboldt Eureka 0 Comment
  SEINET5716898 Image available Sequoia sempervirens Ronald J. Mastrogiuseppe 1966-1 s.n. Humboldt Along State Route 299 from Arcata to Redding; Demonstration Forest, Simpson Timber Company.; Arcata Comment
  HSC102927  Sidalcea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 885 Humboldt Patterson Meadows 1555 Comment
  UC1198397  Sidalcea diploscypha Joseph P. Tracy 1942-6-15 17166 Humboldt 5 mi n Garberville; n of Garberville 152 Comment
  SD73190  Sidalcea malachroides Darley F. Howe 1969-6-4 4626 Humboldt 14.6 miles east of Alton on Highway 36. 299 Comment
  UC1197967  Sidalcea malachroides Joseph P. Tracy 1918-6-9 4952 Humboldt at Eureka; Northern Coast Ranges, at Eureka 0 Comment
  UC144092  Sidalcea malachroides J. P. Tracy 1909-7-4 3010 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  HSC58334  Sidalcea malviflora subsp. asprella Overton, Butler 1979-8-2 12637 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS67247  Sidalcea malviflora subsp. patula Milo S. Baker 1923-7-20 38 Humboldt Head of Yager Cr. Comment
  UC1222505  Sidalcea malviflora subsp. patula Joseph P. Tracy 1950-6-8 18734 Humboldt 7 mi s Ferndale (Bear River Ridge); , s of Ferndale 609 Comment
  CAS-BOT-BC213157  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-7-16 15432 Humboldt Dow's Prairie 60 Comment
  CAS-BOT-BC213158  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-7-25 5344 Humboldt Dow's Prairie 60 Comment
  POM161047  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-8-29 5394 Humboldt Dow s Prairie, around Humboldt Bay Comment
  UC902188  Sidalcea oregana subsp. eximia Joseph P. Tracy 1947-8-24 17898 Humboldt Box Camp Meadow , Box Camp Meadow (Trinity Summit) 1463 Comment
  CDA36500  Sidalcea oregana subsp. hydrophila T. C. Fuller 1958-6-17 598 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC82112  Silene bolanderi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5256 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  UC161014  Silene californica Joseph P. Tracy 1911-7-9 3457 Humboldt along Willow Creek (tributary of Trinity River, near its mouth); Northern Coast Ranges, along Willow Creek 182 Comment
  UC8432  Silene campanulata subsp. campanulata Bolander 1866-1 6517 Humboldt Red Mountain Comment
  CAS-BOT-BC174877  Silene campanulata subsp. glandulosa Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC174878  Silene campanulata subsp. glandulosa Carl B. Wolf 1927-8-27 1155 Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  HSC37960  Silene gallica Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  HSC69692  Silene gallica R. Kalal 1980-6-8 13 Humboldt Pump Station #1, along the Mad River 14 Comment
  BLMAR456  Silene gallica Jennifer Anthony-Wheeler 2008-5-27 456 Humboldt Samoa dunes, growing in Samoa Endangered Plant Protection Area 9 Comment
  HSC23821  Silene gallica R. A. Vanbianchi 1971-6-14 1 Humboldt Comment
  CHSC63389  Silene grayi Vernon H. Oswald 1994-6-29 6360 Humboldt Titlow Hill Rd. (Forest Rd. 1) 5.6 mi S of Hwy. 299, S of Willow Creek. 1469 Comment
  CAS-BOT-BC181229  Silene hookeri subsp. bolanderi H. E. Parks; J. P. Tracy 1930-5-25 0791 Humboldt Laribee Valley 792 Comment
  HSC4162  Silene laciniata subsp. californica G. N. Bos 1965-5-15 277 Humboldt Berry Summit near Hwy. 299 793 Comment
  HSC95117  Silene laciniata subsp. californica Chris Lee 2002-4-27 23 Humboldt Willow Creek, Brannon Mtn. Rd., .5 mi. W of jct. with Hwy. 96 Comment
  UC465640  Silene latifolia subsp. alba Mrs. M. H. Manning 1901-1 Humboldt near Hupa (Hoopa Valley); near Hupa, Hoopa Valley Comment
  HSC67883  Silybum marianum J. P. Smith 1973-5-26 6872 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC13918  Sisyrinchium bellum J. F. Knezevich 1968-5-23 457 Humboldt N of Trinidad at Big Lagoon 0 Comment
  UC1196378  Sisyrinchium bellum Joseph P. Tracy 1930-7-6 8838 Humboldt Kneeland Prairie 762 Comment
  CDA39474  Sisyrinchium bellum T. C. Fuller 1958-6-17 1715 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC59467  Sisyrinchium bellum M. A. Ericksen 1979-5-13 284 Humboldt Chezem Rd., 0.2 mi. W of Hwy. 299 Comment
  JEPS62118  Smilacina racemosa W. L. Jepson 1902-6-29 1950 Humboldt Hupa Rd. Berry's Ranch, Redwood Creek Comment
  CDA39387  Smilacina stellata Kaylea Eickhoff, Cara M. Witte 2005-6-1 8 Humboldt Coldspring Camp, 7.4 mi. south of Hwy. 299 on NF1. Comment
  RSA46494  Solanum americanum Doris K. Kildale 1926-2-7 1496 Humboldt Big Lagoon. Comment
  HSC96295  Solanum parishii J. Breton, A. Livingston 2005-6-15 12 Humboldt NE of Grouse Mtn. 1327 Comment
  JEPS12110  Solanum physalifolium var. nitidibaccatum Joseph P. Tracy 1940-9-28 16738 Humboldt Eureka 30 Comment
  RSA167235  Solanum umbelliferum Joseph P. Tracy 1950-6-18 18851 Humboldt Open places at edge of thicket, Briceland. Comment
  HSC103077  Solanum xanti Sydney Carothers 2014-6-11 2 Humboldt Six Rivers National Forest, Lassics Botanical Area; south face Mt. Lassic, along trail to summit 1772 Comment
  CAS-BOT-BC385867  Solidago canadensis Mrytle Paulson 1918-4-1 s.n. Humboldt Eureka Comment
  POM187917  Solidago canadensis subsp. elongata Marcus E. Jones 1931-7-12 29135 Humboldt Alton. Comment
  HSC58209  Solidago elongata Walter Overton 1979-8-1 12328 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC76412  Solidago elongata D. K. Imper 1981-7-21 887 Humboldt Near Table Bluff 38 Comment
  UC34655  Solidago elongata Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  CHSC109579  Solidago spathulata B. Castro; L. P. Janeway 2004-9-10 1474 Humboldt North Coast. South Spit of Humboldt Bay, 2.2 mi NNE of Table Bluff Lighthouse site: on other side of South Spit Road from the Humboldt Bay mudflats. 2 Comment
  RSA21022  Solidago spathulata C. B. Wolf 1937-9-12 9332 Humboldt Clam Beach. 8 Comment
  UC1541619  Solidago velutina subsp. californica H. E. and S. T. Parks 1937-9-1 24081 Humboldt Trinidad , Trinidad (Spruce Cove) 64 Comment
  HSC39803  Sonchus asper Peter Sorensen 1976-7-11 Humboldt King Salmon Comment
  CAS-BOT-BC374426  Sonchus asper Joseph P. Tracy 1936-8-24 15177 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  RSA245275  Sonchus oleraceus Brad W. Klipfel 1973-8-17 281 Humboldt Big Lagoon Co. Park. Comment
  HSC63283  Sorbus scopulina M. A. Baker 1979-6-29 934 Humboldt Head of Oregon Creek Comment
  RSA10096  Spartina densiflora Joseph P. Tracy 1924-8-4 6738 Humboldt Eureka, Marsh at R.R. station Comment
  HSC4239  Spergula arvensis Francis Winter 1960-2-28 Humboldt Samoa Peninsula 6 mi. W of Arcata, Ca Comment
  RSA0097847  Spergularia macrotheca A. A. Heller 1923-7-9 13780 Humboldt Near Arcata. Comment
  HSC59589  Spirodela punctata Rick Lundquist 1979-5-18 95 Humboldt Clam Beach Ponds 0 Comment
  HSC14427  Stachys ajugoides H. E. Parks, S. T. Parks Aug 1943 24252 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC577322  Stachys ajugoides var. rigida Joseph P. Tracy 1933-6-24 12611 Humboldt Big Lagoon 3 Comment
  UCLA70839  Stachys ajugoides var. rigida Joseph P. Tracy 1937-6-20 15342 Humboldt Bear River 152 Comment
  UCLA71172  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  UC1222860  Stachys ajugoides var. rigida Joseph P. Tracy 1950-6-8 18742 Humboldt near Petrolia (at crossing of river, hills between town and Ocean); Bear River 30 Comment
  UCLA71151  Stachys ajugoides var. rigida Huron H. Smith 1911-6-5 3782 Humboldt Camp 20 Vances Comment
  UCLA71161  Stachys ajugoides var. rigida C. Epling Aug 1933 Humboldt near Humboldt Co. line (Weaverville-Arcata Road) Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  UC1239727  Stachys chamissonis Joseph P. Tracy 1906-6-24 2496 Humboldt region about Humboldt Bay (s slope of Humboldt Hill); Northern Coast Region 0 Comment
  HSC14421  Stachys rigida J. F. Knezevich 1968-5-14 436 Humboldt 13 mi. S of Ferndale at Cape Mendocino 0 Comment
  UC1198342  Stellaria borealis subsp. sitchana Joseph P. Tracy 1912-7-21 3776 Humboldt Alton; Northern Coast Region 30 Comment
  UC1103548  Stellaria media Joseph P. Tracy 1913-6-14 4124 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1198283  Stellaria media Joseph P. Tracy 1923-4-15 6185 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  UC183618  Stellaria media Joseph P. Tracy 1913-3-9 4015 Humboldt near Hydesville; Northern Coast Region 60 Comment
  SEINET12558145 Image available Stellaria nitens Juha Pykala 1987-1 1853 Humboldt Kneeland, Greenwood Heights, N of the house of prof. D. H. Norris 335 Comment
  HSC70500  Stenanthium occidentale Gail Newton 1980-7-20 1618 Humboldt Near Bell Swamps 1426 Comment
  BLMAR677  Stipa lemmonii var. lemmonii Jennifer Wheeler 2013-7-10 677 Humboldt King range, HJ Ridge 609 Comment
  HSC102188  Stipa nelsonii var. dorei M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1102 Humboldt Andy's Camp 1564 Comment
  CAS-BOT-BC87618  Streptanthus tortuosus Volney Rattan 1878-1-1 s.n. Humboldt Unpsecified. Comment
  UC302044  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1926-6-6 7554 Humboldt on road w from Hoopa to Bair's near summit; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC103966  Streptanthus tortuosus var. tortuosus A. Thoele, Sydney Carothers 1995-7-13 38 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
  HSC58219  Streptopus amplexifolius Walter Overton 1979-8-1 12357 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  CAS-BOT-BC519056  Streptopus amplexifolius Greg de Nevers 2001-4-19 12257 Humboldt Fern Canyon, Prairie Creek, Redwoods State Park 91 Comment
  UC1198649  Swertia albicaulis var. nitida Joseph P. Tracy 1911-7-6 3359 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  CAS-BOT-BC269574  Symphoricarpos albus var. laevigatus P. C. Everett; E. K. Balls 1959-10-25 23959 Humboldt 14 mi. w. of Willow Creek, along U.S. Hwy. 299 to Arcata 502 Comment
  POM285008  Symphoricarpos albus var. laevigatus Lyman Benson 1928-7-12 473 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  UC153938  Symphyotrichum subspicatum Joseph P. Tracy 1910-10-8 3170 Humboldt Brainard's Point Northern Coast Ranges, Humboldt Bay 0 Comment
  HSC21149  Synthyris reniformis G. N. Bos 1965-5-2 247 Humboldt 8 mi. E of Korbel on Bald Mtn. Rd. 793 Comment
  UC1198052  Synthyris reniformis Joseph P. Tracy 1942-6-23 17230 Humboldt Trinity Summit near Box Camp; Trinity Summit 1524 Comment
  UC142245  Synthyris reniformis Joseph P. Tracy 1906-4-15 2408 Humboldt 3 mi e Korbel (Bald Mountain); Northern Coast Ranges, Bald Mountain 609 Comment
  UC199113  Synthyris reniformis Chestnut and Drew 1888-7-8 Humboldt Campbell's Comment
  CAS-BOT-BC221913  Taeniatherum caput-medusae F. A. Weatherbee 1960-6-22 s.n. Humboldt Ft. Baker Ranch, Eureka Comment
  CAS-BOT-BC376732  Tanacetum bipinnatum A. A. Heller 1937-6-12 15900 Humboldt On the coast at Trinidad just below the road leading up to the lighthouse on Trinidad Head Comment
  SD39584  Tanacetum camphoratum Charlotte Hoak 1931-7-15 Humboldt Eureka Comment
  UC902012  Taraxacum officinale Harold E. Parks and Joseph P. Tracy 1949-6-25 11671 Humboldt Box Camp Meadow Trinity Summit 1524 Comment
Read comments
Aug 5 2009
  HSC34631  Taraxacum officinale A. M. Montalvo 1975-4-9 202 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  HSC6260  Taraxacum officinale J. L. Baker 1965-3-11 10 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  UC642291  Tauschia kelloggii Joseph P. Tracy 1936-6-10 14933 Humboldt mountain slopes w mouth South Fork of Trinity River; mountain slopes w of mouth South Fork of Trinity River 457 Comment
  CAS-BOT-BC85208  Taxus brevifolia L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road Comment
  HSC1597  Taxus brevifolia Francis Winter 1960-5-7 Humboldt Pine Ridge Summit, Hoopa Indian Reservation 671 Comment
  HSC98547  Taxus brevifolia Cara Witte 2008-6-7 687 Humboldt Forest Service Road 5N10. Approximately 1 mile south of intersection with Friday Ridge Road/ 6N08. 1346 Comment
  SEINET3876099 Image available Taxus brevifolia M. C. Hartman 1963-3-30 8 Humboldt Highway 299 1 mile E. of Berry Summit.; 0 Comment
  HSC20422  Tellima grandiflora D. A. Shally 1965-5-15 47 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  SEINET12216923  Tellima grandiflora F. H. Utech 1986-1 86 -390 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  UC502931  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1932-6-26 10263 Humboldt valley of South Yager Creek Northern Coast Ranges 762 Comment
  RSA168931  Thalictrum polycarpum Joseph P. Tracy 1950-7-6 18986 Humboldt Burr Valley, NW slope of Buck Mtn 1067 Comment
  UC60906  Thermopsis gracilis unknown Humboldt Hoopa Valley Comment
  HSC13053  Thuja plicata D. Santana, C. Kline Oct 1970 9 Humboldt HSC Campus Comment
  POM89157  Thuja plicata Joseph P. Tracy 1920-9-19 5401 Humboldt North fork of Mad River. 305 Comment
  SBBG34242  Thuja plicata L. Rowntree 1931-7-27 Humboldt near Ferndale Comment
  UC63991  Thuja plicata Mrs. M. H. Manning 1901-10-1 Humboldt Comment
  CAS-BOT-BC88321  Thysanocarpus curvipes John H. Thomas 1968-4-21 14355 Humboldt About 6.4 miles south of Weitchpec (as measured along the road). 170 Comment
  UC1198898  Tiarella trifoliata var. unifoliata Joseph P. Tracy 9062 Humboldt near McKay Camp South Fork Mountain; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC30084  Tofieldia occidentalis subsp. occidentalis Mrs. M. H. Manning Aug 1899 Humboldt Comment
  UC154137  Tolmiea diplomenziesii Joseph Burtt Davy and Walter C. Blasdale 1899-5 5628 Humboldt Bald Mt.; North Coast Ranges Comment
  SEINET12221295  Tolmiea menziesii H. P. Chandler 1901-1 1268 Humboldt North Coast Ranges 457 Comment
  HSC73841  Tonella tenella Gail Newton 1980-6-7 134 Humboldt Near Brush Mtn. 1128 Comment
  UC906646  Torilis arvensis Joseph P. Tracy 1946-6-15 17557 Humboldt Berry's Mt on Trinity Highway east of Redwood Creek 609 Comment
  HSC79551  Torilis arvensis Kenneth Clark 1980-6-14 668 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  UC1196253  Torilis arvensis subsp. arvensis Mrs. Archie Cathey July 1933 Humboldt near Miranda (at Cathey Ranch) 304 Comment
  JEPS63933  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  JEPS63936  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2000 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  CAS-BOT-BC399989  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-25 15564 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  CAS-BOT-BC517423  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1925-8-16 1185 Humboldt Trinity Summit 1917 Comment
  HSC44328  Trichostema laxum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3700 Humboldt Above Alder Spring 1616 Comment
  RSA183505  Trientalis latifolia D. E. Anderson 1965-5-8 3651 Humboldt 3 miles N of Willow Creek along road on E side of Trinity River. Comment
  UC1052444  Trientalis latifolia H. E. and S. T. Parks 1952-6-1 7548 A Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove 60 Comment
  RSA239714  Trientalis latifolia Larry E. DeBuhr 1973-4-23 985 Humboldt Richardson Grove Redwood State Park. Comment
  UC1223393  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1948-5-31 17989 Humboldt near Harris (West side of top of Spruce Grove Ridge) 762 Comment
  SDSU5270  Trifolium arvense D. F. Howe 1979-6-25 5195 Humboldt #299, one milesouth of Willow Creek. Comment
  UC1103436  Trifolium barbigerum J. P. Tracy 1901-4-24 1037 Humboldt immediate vicinity Eureka 0 Comment
  SEINET6934848  Trifolium bifidum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  UC1223327  Trifolium campestre Joseph P. Tracy 1936-8-1 15060 Humboldt 6 mi se Blue Lake (near Bear Canyon Creek, in logged-off country) 365 Comment
  UC16504  Trifolium dubium Joseph Burtt Davy and Walter C. Blasdale 1899-6-15 5529 Humboldt near Scotia Comment
  UC495653  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-7-6 8835 C Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1223462  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1933-7-9 12647 Humboldt Brannan Mtn 1066 Comment
  UC302111  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1926-7-5 7729 B Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  HSC27094  Trifolium fragiferum Thomas W. Nelson 1970-10-31 292 Humboldt N end of the Carson Bridge Comment
  HSC31744  Trifolium fucatum Donald Spalinger 1974-5-12 60 Humboldt Bald Hills Rd., 1.5 mi. E from junction with Hwy. 101 229 Comment
  UC303192  Trifolium fucatum Joseph P. Tracy 1923-5-13 6203 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UCD109053  Trifolium fucatum W. Williams 1951-1 s.n. Humboldt Humboldt County. Comment
  UC1223452  Trifolium howellii Joseph P. Tracy 1934-7-18 13449 Humboldt at top Grouse Mtn 1524 Comment
  CHSC69825  Trifolium incarnatum J. P. Smith; J. O. Sawyer, Tom Nelson 1972-4-22 Humboldt Freeway exit at Benbow. Planted by the Department of Highways. Comment
  POM214886  Trifolium longipes subsp. elmeri Joseph P. Tracy 1932-7-13 10525 Humboldt Trinity Summit, Corral Prairie. Comment
  UC1197210  Trifolium longipes var. hansenii Joseph P. Tracy 1913-6-23 4282 Humboldt near summit of ridge (betw Van Duzen and Mad Rivers, Dinsmore's ranch); Northern Coast Ranges 1066 Comment
  RSA168849  Trifolium pratense Joseph P. Tracy 1934-8-6 13558 Humboldt Near Blue Lake, along Mad River Comment
  RSA43865  Trifolium pratense H. M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  HSC89908  Trifolium repens Leonel Arguello 1989-7-7 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata, along the Saltmarsh trail by old cattle ramp. Comment
  RSA259546  Trifolium subterraneum David Ferranti 1974-5-6 s.n. Humboldt 4360 1/2 Union Street Comment
  UCSC000416  Trifolium variegatum H. S. Yates 1936-6-18 5733 Humboldt 2 miles N. of Big Lagoon - Rocky Pt. 30 Comment
  CDA28058  Trifolium variegatum var. major T. C. Fuller 1958-6-17 614 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  POM214883  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-22 10123 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  CDA14904  Trifolium vesiculosum P. Haggard 1998-9-14 s.n. Humboldt on Hwy 101 nr. Orick. 0 Comment
  BLMAR742  Trifolium willdenovii Jennifer Wheeler 2015-5-18 742 Humboldt King range, strawberry rock grazing allotment down windy point 243 Comment
  SBBG89475  Trifolium wormskioldii J. P. Tracy 1933-5-20 12236 Humboldt mouth of Domingo Crk 5 mi S of Cape Mendocino 3 Comment
  UC631039  Trifolium wormskioldii P. B. Kennedy 1925-8-29 Humboldt near Eureka Comment
  HSC14178  Triglochin maritima D. E. Anderson 1962-5-10 2209 Humboldt Lanphere's Comment
  HSC77399  Triglochin maritima L. P. Janeway 1983-5-19 298 Humboldt W edge of Arcata Bay, 0.5 mi. N of Eureka-Samoa bridge 3 Comment
  RSA239713  Triglochin maritima Larry E. DeBuhr 1973-4-23 998 Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  UC672872  Triglochin maritima Joseph P. Tracy 1933-8-22 12988 Humboldt mouth Eel River 3 Comment
  UC146219  Trillium albidum Joseph P. Tracy 1905-4-2 2155 Humboldt region about Humboldt Bay near Arcata; Northern Coast Region, Humboldt Bay 0 Comment
  HSC101808  Trillium kurabayashii Kjirsten A. Wayman 2012-4-1 304 Humboldt Hoopa, 0.3 miles up Bair Road, near Supply Creek 168 Comment
  CHSC28032  Trillium ovatum L. Greenhill 1977-4-6 12 Humboldt Abundant population 10 ft. from n side of highway 36, 1mile w from Grizzly Creek State Campground. 91 Comment
  HSC96778  Trillium ovatum M. Mesler 2006-6-6 611 Humboldt Big Hill Rd. 11.4 mi. E of Hwy. 96 at Six Rivers Forest boundary 1463 Comment
  HSC15694  Trillium ovatum V. G. Vieira 1963-3-10 37 Humboldt Essex Pond Comment
  POM290755  Trillium ovatum Lyman Benson 1928-7-8 391 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 Comment
  SDSU11980  Trillium ovatum W. A. Bemis 1964-3-14 247 Humboldt 48 Comment
  CAS-BOT-BC521251  Trillium rivale J. H. Thomas 1949-6-12 897 Humboldt 2 miles west of Matins Ferry on road to Orick. Comment
  SEINET10459891  Triodanis perfoliata Tracy TRACY 2197 Humboldt EUREKA Comment
  UC146242  Triphysaria eriantha subsp. eriantha J. P. Tracy 1904-4-24 2035 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  JEPS26220  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1917-5-30 4805 Humboldt Little River Beach Northern Coast Ranges, Little River Beach (sand dunes) 6 Comment
  HSC96262  Triphysaria pusilla April A. Allard, Gregory O'Connell 2005-6-10 8 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF 1 1402 Comment
  UC902248  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1944-5-14 17469 Humboldt Eureka 6 Comment
  SEINET201038 Image available Trisetum canescens Joseph P. Tracy 1901-6-23 1167 Humboldt Immediate vicinity of Eureka. 0 Comment
  UC526693  Trisetum canescens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8916 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UCD93893  Trisetum canescens Joseph P. Tracy 1901-6-23 1167 Humboldt Immediate vicinity of Eureka. 0 Comment
  HSC98957  Triteleia hyacinthina Cara Witte 2008-7-28 952 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  HSC89447  Triteleia laxa P. A. Daly 1984-7-15 34 Humboldt Trinidad Head 61 Comment
  UC666898  Triteleia laxa Joseph P. Tracy 1930-7-27 8897 Humboldt Bear River Ridge 609 Comment
  HSC3060  Triteleia laxa R. Spellenberg 1964-6-15 416 Humboldt 7 mi. E of Redwood Creek, Hwy. 299 Comment
  RSA183022  Triteleia laxa Lee W. Lenz 1966-5-24 24657 Humboldt W of Berry Summit, US 299. Comment
  UC1222685  Triteleia peduncularis Joseph P. Tracy 1950-6-15 18770 Humboldt near Redcrest Resort (Englewood); Englewood 91 Comment
  HSC72050  Tropaeolum majus J. M. DiTomaso 1979-5-10 947 Humboldt Corner of 13th and Union St., Arcata. Comment
  CAS-BOT-BC85891  Tsuga heterophylla C. B. Wolf 1930-10-25 1019 Humboldt Along the Blue Lake to Willow Creek road (Lord Ellis Road), 12 mi. above Blue Lake 304 Comment
  HSC28304  Tsuga heterophylla Gary S. Lester 1973-12-8 61 Humboldt E of HSC Campus Comment
  BLMAR193  Turritis glabra Donald Hazlett 1994-6-7 193 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC41923  Umbellularia californica Ed Cope 1977-4-23 25 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC95838  Umbellularia californica Kevin Thomas 2004-4-26 13 Humboldt Lord Ellis Summit along Titlow Hill Rd., rd. turnout Comment
  UC1197784  Vaccinium membranaceum Joseph P. Tracy 1934-8-29 13625 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC199310  Vaccinium ovatum Carl B. Wolf 1927-8-27 1159 Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  UC412665  Vaccinium ovatum Harley P. Chandler May 1901 1167 Humboldt Eureka North Coast Ranges 30 Comment
  UC412666  Vaccinium ovatum Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UCD166883  Vaccinium ovatum Colleen Rossier 2016-9-16 1 Humboldt In vicinity of Red Cap Road, upper side of road, plot Red Cap #1. 264 Comment
  UCD166884  Vaccinium ovatum Colleen Rossier 2016-9-16 2 Humboldt Approximately 100 yards above Red Cap Road. Across from gravel entrance to old road, plot Red Cap #1. 264 Comment
  UCD166886  Vaccinium ovatum Colleen Rossier 2016-9-16 4 Humboldt In vicinity of Rosaleno Creek, plot Rosaleno #2. 633 Comment
  UC22217  Vaccinium parvifolium Harley P. Chandler May 1901 1182 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC32256  Vaccinium uliginosum J. O. Sawyer 1970-6-24 2286 Humboldt Near Waterdog Lakes 1860 Comment
  UC416772  Valeriana sitchensis subsp. sitchensis Mrs. M. H. Manning Aug. 1899 Humboldt Trinity Summit Comment
  JEPS52977  Vancouveria W. L. Jepson 1932-8-9 16541 Humboldt Deerfoot Glade Bull Creek; , Deerfoot Glade Comment
  CAS-BOT-BC76046  Vancouveria hexandra Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta. Comment
  HSC57141  Vancouveria hexandra Overton, Butler 1979-7-26 9925 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  HSC99463  Vancouveria hexandra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 117 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC12212  Vancouveria hexandra Gary J. Stebbins 1970-5-17 82 Humboldt Along Jolly Giant Creek up from HSU dorm parking lot 1.1 mi. 70 Comment
  CAS-BOT-BC76087  Vancouveria planipetala Ira L. Wiggins 1932-6-18 5865 Humboldt Along Jacoby Creek, 2 miles east of Bayside. Comment
  HSC102701  Ventenata dubia J. P. Smith 2013-6-16 13729 Humboldt Along State Route 36, just west of the 33.68 highway sign (milepost). 758 Comment
  HSC57096  Veratrum insolitum Overton, Butler 1979-7-24 9820 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC168982  Verbascum blattaria Harley P. Chandler 1901-6-10 1422 Humboldt Klamath River Nature's Rest; North Coast Ranges, , Nature's Rest 304 Comment
  HSC67839  Verbena lasiostachys J. P. Smith 1971-10-9 5027 Humboldt Mad River above the Fish Hatchery. Comment
  HSC98115  Verbena lasiostachys Cara Witte 2007-6-27 369 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  HSC21740  Verbena lasiostachys var. lasiostachys Paul Shields Aug 1955 Humboldt 5 mi. N of Meyers Flat. Comment
  HSC56222  Veronica americana G. L. Clifton, Terry Griswold 1979-8-2 12254 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99376  Veronica arvensis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 25 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
  UC176114  Veronica persica Joseph P. Tracy 1912-7-3 3718 Humboldt Eel River Valley, at Metropolitan Eel River Valley; Northern Coast Ranges, Eel River Valley 30 Comment
  HSC21210  Veronica persica N. J. Cole, D. E. Anderson 1965-3-20 8 Humboldt 3 mi. W of Arcata near Lanphere Rd. Comment
  HSC39004  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-5-31 2650 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC1197477  Vicia americana var. americana Joseph P. Tracy 1933-5-20 12255 Humboldt near Petrolia (Mattole River); North Coast Region, Mattole River 15 Comment
  HSC81818  Vicia americana var. americana Kenneth Clark 1980-4-18 596 Humboldt Above Dead Man's Gulch, Shelter Cove 174 Comment
  JEPS29848  Vicia benghalensis Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-6-23 7838 Humboldt about 1 mi w Carlotta (about 0.5 mi e of Hydesville) Comment
  UC709409  Vicia faba Joseph P. Tracy 1940-4-7 16527 Humboldt Bayside 15 Comment
  BLMAR723  Vicia gigantea Jennifer Wheeler 2014-4-20 723 Humboldt South Spit/Mike Thompson Wildlife Area, South Jetty Rd on Table Bluff cliff face 3 Comment
  RSA138213  Vicia gigantea Volney Rattan 1880-1 s.n. Humboldt Mad River Comment
  UCR104583  Vicia sativa subsp. nigra A. R. Alexander 1998-4-9 10 Humboldt US Highway 101 and Giuntoli Lane, near shopping center, Arcata 152 Comment
  UCR71484  Vicia tetrasperma Barbara Ertter, Thomas J. Delendick 1987-5-16 6912 Humboldt North Coast Range, Hwy 299 roadside c. 8 mi. east of Arcata, 9.5 mi. west of Lord Ellis summit Comment
  CAS-BOT-BC263938  Viola adunca Doris Kildale 1931-5-10 10582 Humboldt Snow Camp Comment
  CAS-BOT-BC263947  Viola adunca L. B. Kildale 1930-5-11 9543 Humboldt Bald Hills near [Tomlinson's?] 792 Comment
  HSC21771  Viola adunca J. J. Wagoner 1965-4-3 10 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park 6 Comment
  RSA46714  Viola adunca Doris K. Kildale 1926-3-20 1537 Humboldt Big Lagoon. Comment
  UC164812  Viola adunca Joseph P. Tracy 1908-6-7 2615 Humboldt Butler Valley on Mad River; Northern Coast Ranges, Mad River 152 Comment
  UC1761516  Viola adunca Milo S. Baker 1923-7-30 158 Humboldt Iaqua, 1/2 mi from Fredricksons house (near head of Yager Creek) 670 Comment
  HSC89496  Viola adunca var. adunca P. A. Daly 1984-5-8 12 Humboldt Trinidad Head 61 Comment
  UC502937  Viola bakeri Joseph P. Tracy 1932-7-15 10596 Humboldt ridges e of Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  UC19274  Viola cuneata Harley P. Chandler June, 1901 1297 Humboldt Hupa Indian Reservation; North Coast Ranges 609 Comment
  CAS-BOT-BC536494  Viola glabella Doris K. Kildale 1927-3-22 2939 Humboldt North fork of Elk River Comment
  SDSU11371  Viola glabella L. N. Harvey Humboldt September, 1930 Comment
  UC183742  Viola hallii Joseph P. Tracy 1913-6-17 4166 Humboldt near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  UC275485  Viola hallii Joseph P. Tracy 1925-5-30 7034 Humboldt Laribee Valley; Northern Coast Ranges 701 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
  HSC21827  Viola ocellata J. F. Knezevich 1967-6-1 171 Humboldt 5 mi. E of Willow Creek on Hwy. 299 Comment
  HSC34874  Viola ocellata Thomas W. Nelson, James Nelson 1975-5-5 1779 Humboldt Beside Hwy. 101, ~ 4 mi. S of the Salmon Creek Bridge Comment
  HSC49627  Viola odorata R. York 1979-4-13 218 Humboldt College Cove, 1 mi N of Trinidad Comment
  CHSC2036  Viola sempervirens E. Crouch 1929-5-9 Humboldt Redwoods. Comment
  SEINET200826 Image available Vitis californica Joseph P. Tracy 1912-1 3799 Humboldt Along South Fork of Eel River, 5 mi above its mouth. 30 Comment
  UC177238  Vitis californica Joseph P. Tracy 1912-7-23 3799 Humboldt along river 5 mi above river mouth; Northern Coast Ranges, South Fork of Eel River 30 Comment
  CAS-BOT-BC385364  Vitis vinifera Henry M. Pollard 1945-9-4 s.n. Humboldt Near Camp Creek, Klamath River Canyon Comment
  HSC9836  Vulpia bromoides J. A. Waller 1965-5-16 47 Humboldt Open field near Big Lagoon. Comment
  HSC9841  Vulpia bromoides J. W. Johnson 1962-5-9 1350 Humboldt Christenson Farm, Samoa Peninsula. Comment
  POM183574  Vulpia bromoides R. I. Bonn 1965-5-7 21 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  UC589877  Vulpia bromoides H. S. Yates 1936-6-16 5663 Humboldt 1 mi sw Samoa; Eureka Quad. 6 Comment
  CHSC19731  Vulpia microstachys D. E. Anderson; J. O. Sawyer, J. P. Smith 1970-5-10 5070 Humboldt Ca. 3 miles west of Willow Creek along Three Creeks Road. Comment
  CAS-BOT-BC184235  Vulpia microstachys var. pauciflora S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3431 Humboldt Northwest slopes of Buck Mountain 822 Comment
  SEINET202037 Image available Vulpia microstachys var. pauciflora Joeseph P. Tracy 14825 Humboldt French Camp Ridge 1067 Comment
  UC594246  Vulpia microstachys var. pauciflora S. K. Harris, J. P. Tracy and H. S. Yates 1936-6-17 3431 Humboldt Buck Mountain 822 Comment
  RSA183638  Vulpia myuros D. E. Anderson 1965-9-5 4088 Humboldt Along Mad River, ca. 3 miles south of Blue Lake. Comment
  SEINET200325 Image available Vulpia myuros var. myuros J. P. Tracy 1900-1 858 Humboldt Eureka. Comment
  HSC44524  Whipplea modesta Brad Klipfel 1973-7-1 132 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SDSU19191  Whipplea modesta Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3013 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.75 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 978 Comment
  UC1541295  Whipplea modesta H. E. and S. T. Parks May, 1930 753 Humboldt along roads adjacent to Van Duzen River Comment
  UC570904  Whipplea modesta Herbert L. Mason 1932-7-21 7112 Humboldt on road from Arcata to Weaverville (e slope of mts.); Southfork Mountains Comment
  HSC27889  Woodwardia fimbriata Clifton Raymond Chesbrough 1973-6-19 71 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  HSC79482  Woodwardia fimbriata Kenneth Clark 1980-6-14 678 Humboldt N fork of Dead Man's Gulch 84 Comment
  RSA46704  Woodwardia fimbriata Doris K. Kildale 1928-12-29 6762 Humboldt Stevens Grove Comment
  CAS-BOT-BC382929  Wyethia angustifolia Doris K. Kildale 1927-7-1 3614 Humboldt Alton Hill 30 Comment
  JEPS32070  Wyethia angustifolia Joseph P. Tracy 1930-7-27 8898 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC1223305  Wyethia angustifolia Joseph P. Tracy 1950-6-8 18739 Humboldt s slope near Capetown; Bear River Ridge 30 Comment
  HSC73870  Wyethia longicaulis Gail Newton 1980-7-14 1462 Humboldt Near Last Chance Ridge. 1219 Comment
  UC582640  Wyethia longicaulis Joseph P. Tracy 1932-6-26 10253 Humboldt Valley of South Yager Creek 762 Comment
  UC604675  Wyethia longicaulis Joseph P. Tracy 1938-7-7 16041 Humboldt Grouse Mountain 1524 Comment
  UC673078  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  UC1199227  Xanthium strumarium Joseph P. Tracy 1921-12-11 5982 Humboldt Alton Northern Coast Ranges, Eel River 30 Comment
  HSC40300  Zigadenus micranthus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2901 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC104124  Zostera marina Justin Garwood 2015-7-5 Humboldt Comment
Read comments
Mar 1 2018



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
0.15 processing seconds