Search Results — 2000 specimen records retrieved (1357 records with coordinates)
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Results for search: County=HUMBOLDT; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77963  Abies concolor Henry M. Pollard 1944-9-1 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC72810  Abies concolor M. A. Baker 1980-6-28 2495 Humboldt Near Mad River Buttes 1445 Comment
  OBI36630  Abies grandis David J. Keil 1983-7-2 17304 Humboldt Patrick's point Comment
  RSA134610  Abies grandis P. C. Everett, E. K. Balls 1959-10-25 23972 Humboldt 10 mi SW from Ferndale on old coast road to Capetown. 457 Comment
  SBBG11073  Abies grandis D. E. Breedlove 1961-7-4 658 Humboldt US Hwy 299, 3.1 mi E of the N fork of the Mad River 502 Comment
  UC1193117  Abies grandis P. J. Zinke 1950-9-21 163 Humboldt Salmon Creek 1 mi upstream from Mill Creek Salmon Creek, Quad. 29C1 152 Comment
  CAS-BOT-BC73465  Abies procera G. L. Anderson 1962-8-21 5 Humboldt Six Rivers National Forest - extension of known range, Horse Trail Ridge, southwest slope. 1828 Comment
  HSC73072  Abies procera Gail Newton 1980-7-24 1786 Humboldt Near Somes Mtn. 1615 Comment
  HSC74290  Abies procera M. A. Baker 1980-7-19 3041 Humboldt Near Bret Hole. 1814 Comment
  HSC38927  Abronia latifolia Linda M. Barker 1976-5-13 1490 Humboldt 3 mi. W of Arcata. Comment
  HSC41125  Abronia latifolia Thomas W. Nelson, Jane Nelson, James Nelson 1976-9-26 3266 Humboldt Along beach S of Fern Canyon. Comment
  SEINET10838870  Abronia latifolia Mary Merello 1993-6-19 Merello 663 Humboldt Along Petrolia-Capetown Road. Pacific Coastal dunes. 40 Comment
  POM264508  Abronia umbellata subsp. breviflora H. E. Parks 1941-09 24212 Humboldt Mouth of Little River. Comment
  POM87959  Acer circinatum L. R. Abrams 1922-6-27 8298 Humboldt Prairie Creek, 4 miles north of Orick Comment
Read comments
Feb 25 2015
  UC1199018  Acer circinatum Joseph P. Tracy 1923-10-14 6571 Humboldt 5 mi se Bridgeville (near the Burr Creek divide, head of Hoagland Creek); Northern Coast Ranges, head Hoagland Creek 609 Comment
  HSC12932  Acer macrophyllum C. E. Fellows 1970-11-9 351 Humboldt HSC Campus, S side Bio Greenhouse Comment
  UC1199019  Acer macrophyllum Joseph P. Tracy 1933-4-2 10955 Humboldt Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC28586  Achillea millefolium David D. Keck 1944-7-11 5494 Humboldt Cape Mendocino 3 Comment
  CDA30207  Achillea millefolium M. K. Beyers, I. Shepardson 2009-9-13 255 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  HSC102172  Achillea millefolium M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1084 Humboldt Patterson Meadows 1566 Comment
  HSC48766  Achillea millefolium Brad Klipfel 1973-6-10 102 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET6700495 Image available Achillea millefolium H. E. Parks, S. T. Parks 24246 Humboldt Egg Point, Trinidad 122 Comment
  CAS-BOT-BC28580  Achillea millefolium Doris K. Kildale 1926-8-8 2475 Humboldt Dyerville Bridge, on river bar 45 Comment
  RSA26852  Achillea millefolium var. californica I. L. Wiggins 1940-7-10 s.n. Humboldt Big Lagoon. Comment
  UCD94991  Achlys triphylla subsp. triphylla D. C. Hagar 1957-6-10 75 Humboldt Mill Creek, 7.5 miles north-northeast of Hoopa. 1402 Comment
  UC1103144  Achnatherum lemmonii J. P. Tracy 1903-5-23 1905 Humboldt Alder Point Eel River 91 Comment
  UC1152041  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt halfway between Snow Camp and Twin Lakes (at Preston's old gate near road) Comment
  UCD50697  Achnatherum lemmonii A. H. Murphy 1947-6-25 s.n. Humboldt Lassic Peak Road, northeast of Blockburg. Humboldt County, California. Comment
  UC526760  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-12 10446 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC48684  Aconitum columbianum subsp. columbianum Brad Klipfel 1973-7-31 238 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56001  Aconitum columbianum subsp. viviparum Overton, Butler 1979-7-31 11449 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC99842  Aconitum columbianum subsp. viviparum T. Jimerson, J. Pageau 1979-8-10 737 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC101545  Actaea rubra J. P. Smith, J. O. Sawyer 2009-8-11 12653 Humboldt Green Diamond Resource land along State Route 299. 762 Comment
  POM182348  Adiantum aleuticum Joseph P. Tracy 1907-8-20 2604 Humboldt Hydesville 30 Comment
  RSA687730  Adiantum aleuticum J. P. Smith 1970-6-7 3799 Humboldt .6 miles North of Luffenholtz Beach Comment
  SEINET11722736  Adiantum aleuticum E. A. York 1990-1-10 2672 Humboldt USGS Redwood Field Station, Arcata Comment
  UC811115  Adiantum jordanii George Neville Jones 1936-3-22 8662 Humboldt s fork Eel River near Garberville Comment
  HSC98763  Agastache urticifolia Cara Witte 2007-6-27 363 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/4 mile east of spring. 1583 Comment
  UC577348  Agastache urticifolia Joseph P. Tracy 1932-7-13 10498 Humboldt Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  RSA183633  Ageratina occidentalis D. E. Anderson 1965-9-5 4094 Humboldt Along Mad River, ca. 3 miles south of Blue Lake. Comment
  HSC44088  Agoseris grandiflora Thomas W. Nelson, Jane P. Nelson 1977-9-3 3723 Humboldt N of Alder Springs 1555 Comment
  UC166791  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-8-2 1245 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1125463  Agoseris grandiflora var. grandiflora H. L. Person 1932-7-20 19459 Humboldt Fieldbrook Eureka Quadrangle, Fieldbrook Comment
  UC1222760  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1949-7-19 18392 Humboldt 1/4 mi se Clear Lake; Grouse Mountain 1524 Comment
  CAS-BOT-BC13374  Agoseris retrorsa Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1371 Comment
  UC667047  Agrimonia gryposepala Joseph P. Tracy 1940-6-16 16571 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  UC186911  Agrostis alba J. P. Tracy 1902-7-4 1758 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC39906  Agrostis exarata J. P. Smith, Steve Selva 1970-6-30 4129 Humboldt Comment
  HSC8785  Agrostis exarata D. E. Anderson 1961-8-25 1743 Humboldt Beach area 1.5 miles S of Trinidad. Comment
  UC1145153  Agrostis exarata Joseph P. Tracy 1936-6-28 15030 Humboldt in bog Bald Mountain, Lake Prairie 1066 Comment
  UC552713  Agrostis exarata Joseph P. Tracy 1935-5-25 13857 1/2 Humboldt Fort Seward 106 Comment
  UCD52338  Agrostis exarata R. Tofsrud 1947-7-1 201 Humboldt near Harris. Comment
  UCSB51224  Agrostis exarata Almanza, Ed 1976-7-15 Humboldt Big Lagoon Campground, Big Lagoon Comment
  RSA129613  Agrostis hallii H. S. Yates 1936-6-16 16653 Humboldt 1 mile NE of Samoa 3 Comment
  UC1027190  Agrostis hallii J. I. Mallory 1955-10-13 124 Humboldt one mi w McClellan Ranch 335 Comment
  UC33716  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-6-27 5873 Humboldt Martins Ferry Comment
  UCD52689  Agrostis hallii P. B. Kennedy 1923-8-2 s.n. Humboldt Bluff Creek Camp, Klamath River. Comment
  RSA10019  Agrostis idahoensis Joseph P. Tracy 1932-7-16 10608 Humboldt Klamath Mtns., Trinity Summit, Corral Prairie 1524 Comment
  CAS-BOT-BC139127  Agrostis oregonensis Joseph P. Tracy 1927-8-22 8344 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  UC526878  Agrostis oregonensis Joseph P. Tracy 1924-7-4 6711 Humboldt in boggy meadow Northern Coast Ranges, Snow Camp 1371 Comment
  UCD53503  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-3 1168 Humboldt 1 mile south of Fields Landing, Eel River Valley. Comment
  HSC34257  Aira caryophyllea A. Montalvo 1975-5-24 281 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC39756  Aira caryophyllea Peter Sorensen 1976-6-12 Humboldt Woodley Island Comment
  UC50685  Aira caryophyllea Joseph Burtt Davy and Walter C. Blasdale 1899-6-12 5474 Humboldt Elk Prairie Comment
  UC526681  Aira caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Big Lagoon Northern Coast Region 6 Comment
  HSC60375  Alisma triviale J. M. DiTomaso 1979-5-29 1077 Humboldt Arcata Bottoms, 1.7 mi. W of Alliance Rd. on Lanphere Rd. Comment
  HSC102207  Allium amplectens M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1122 Humboldt Andy's Camp 1564 Comment
  HSC102513  Allium amplectens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1499 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC98646  Allium amplectens Cara Witte 2007-6-7 233 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  CAS-BOT-BC460747  Allium amplectens C. C. Harris; S. K. Harris 1936-6-24 645 Humboldt At point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River. 701 Comment
  CAS-BOT-BC460749  Allium amplectens Doris K. Kildale 1925-6-14 676 Humboldt Head of South Yager Creek. Bald Hills 914 Comment
  HSC2958  Allium amplectens R. Spellenberg 1965-6-14 1128 Humboldt 6 mi. E of Kneeland at Kneeland Airport Comment
  CAS-BOT-BC462973  Allium bolanderi Harley P. Chandler 1901-6-1 1434 Humboldt Klamath River, North Coast Ranges 243 Comment
  UC3073  Allium bolanderi H. N. Bolander 1866-1 6556 Humboldt Eureka Trail Comment
Read comments
Jan 7 2007
  HSC98507  Allium bolanderi var. bolanderi Cara Witte 2007-7-8 433 Humboldt Board Camp Mountain. Pack trail 4E26. 1491 Comment
  HSC57873  Allium campanulatum Overton, Butler 1979-7-31 11409 Humboldt Near Water Dog Lakes 1830 Comment
  HSC50950  Allium hoffmanii G. L. Clifton, Overton 1979-6-3 3774 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  JEPS81076  Allium hoffmanii Thomas W. Nelson and Jane P. Nelson 1980-6-27 5951 Humboldt saddle between two peak e Mount Lassic (non-numbered section e of Sec. 36); Six Rivers National Forest, Blocksburg Quad. 1767 Comment
  UC666922  Allium unifolium Joseph P. Tracy 1935-6-8 13953 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 15 Comment
  UC502990  Alnus incana subsp. tenuifolia Joseph P. Tracy 1927-8-22 8335 Humboldt in meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1197955  Alnus rhombifolia Joseph P. Tracy 1923-1-14 6137 Humboldt Blue Lake Northern Coast Ranges, Mad River 30 Comment
  HSC31798  Alnus rubra Steve Selva, Roger Jensen 1974-8-27 82 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  HSC89484  Alnus rubra P. A. Daly 1984-5-13 22 Humboldt Along trail at Trinidad Head 61 Comment
  SD42324  Alnus tenuifolia Carl B. Wolf 1937-8-13 9268 Humboldt North Coast Range, 12 miles east of Hoopa Valley on new road towards Trinity Summit 1675 Comment
  HSC56342  Alnus viridis subsp. sinuata Griswold, Butler 1979-7-10 6257 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UCD55896  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt in Salmon Creek Valley, at south end of Humboldt Bay. 15 Comment
  HSC8896  Alopecurus pratensis W. F. Cartwright 1965-5-20 78 Humboldt 5 mi. S of Arcata on Old Arcata Rd. Comment
  UC573793  Alopecurus pratensis H. L. Person 1932-5-11 Humboldt Redwood Hwy. between Arcata and Eureka; Eureka Quad. 0 Comment
  CAS-BOT-BC13703  Ambrosia chamissonis Ira L. Wiggins 1930-7-7 4674 Humboldt Near Samoa Comment
  HSC93517  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. 2 Comment
  POM264459  Ambrosia chamissonis H. E. Parks 1941-08 24181 Humboldt On rocky and sandy beach, Big Lagoon Comment
  HSC100625  Amelanchier alnifolia Carl C. Marshall Jun 1886 292 Humboldt Bald Hills. Comment
  HSC31452  Amelanchier alnifolia var. semiintegrifolia D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5570 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC39521  Amelanchier alnifolia var. semiintegrifolia Thomas W. Nelson, James Nelson 1976-6-10 2664 Humboldt Ridge W of Senteney Rock 1555 Comment
  HSC8843  Ammophila arenaria Paul Shields 1955-9-22 Humboldt 12 mi. NW Arcata Comment
  RSA86667  Ammophila arenaria F. W. Peirson 1941-7-29 13112 Humboldt Little River Beach State Park. Comment
  SBBG115197  Ammophila arenaria D. Leaberry 1992-6-20 Humboldt Clam Beach County Park, ca. 1 mi N of Arcata Airport Comment
  HSC59142  Anagallis arvensis Terry Roth 1979-4-21 13 Humboldt Misty Mtn. Tree Farm Rd. off of Hookton Rd., near residence 46 Comment
  HSC17824  Anagallis arvensis D. E. Anderson 1961-8-25 1745 Humboldt 1.5 mi. S of Trinidad Comment
  UC1125515  Anaphalis margaritacea H. L. Person 1931-7-30 Humboldt Fieldbrook; Eureka Quad. Comment
  CAS-BOT-BC45143  Anaphalis margaritacea Bennett; Dunn; Dziekanowski 1976-8-6 478 Humboldt By Hwy 101, N side of Orick 30 Comment
  CAS-BOT-BC391775  Anemone deltoidea L. R. Abrams; G. T. Benson 1924-5-18 10736 Humboldt Bull Creek Redwood Grove Comment
  CAS-BOT-BC391779  Anemone deltoidea D. E. Breedlove 1962-6-8 3066 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  POM365632  Anemone deltoidea Unspecified s.n. Humboldt [No location data on label] Comment
  HSC64348  Anemone oregana var. oregana J. P. Smith, J. O. Sawyer 1973-5-12 6694 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC56060  Angelica arguta G. L. Clifton, Griswold 1979-7-31 11697 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC99580  Angelica genuflexa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 245 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
  JEPS14169  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  BLMAR662  Angelica hendersonii Jennifer Wheeler 2012-7-12 662 Humboldt King range, Strawberry rock 253 Comment
  HSC71418  Angelica hendersonii J. M. DiTomaso 1980-7-29 1806 Humboldt Elkshead, 2 mi N of Trinidad Comment
  SEINET12117363  Angelica hendersonii J. P. Tracy 1950-1 19352 Humboldt Bear River Ridge 610 Comment
  UC1197375  Angelica hendersonii Joseph P. Tracy 1924-9-21 6902 Humboldt toward Bucksport (Northern Coast Ranges, Eureka); Northern Coast Ranges, Eureka 0 Comment
  CHSC68551  Angelica lucida Vernon H. Oswald 1997-4-29 8354 Humboldt Humboldt Bay NWR, Hookton Slough Trail along levee along the south side of Hookton Sough. 0 Comment
  UC642266  Angelica tomentosa Joseph P. Tracy 1939-8-16 16410 Humboldt Horse Mountain 1432 Comment
  UC183690  Angelica tomentosa Joseph P. Tracy 1913-9-9 4391 Humboldt Northern Coast Ranges, at s end of Big Lagoon Big Lagoon Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 30 Comment
  UC642244  Angelica tomentosa Joseph P. Tracy 1938-9-5 16145 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UCD127180  Angelica tomentosa Joseph DiTomaso 1980-8-15 1864 Humboldt 5 miles west of Willow Creek at 34.4 mile road mark on Highway 299. Comment
  HSC39181  Anisocarpus madioides D. E. Anderson, J. P. Smith 1971-6-28 - 1220 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC70410  Anisocarpus madioides M. A. Baker 1980-6-7 1831 Humboldt Near Ammon Creek 732 Comment
  JEPS40360  Anisocarpus madioides Lincoln Constance 1934-5-23 601 Humboldt above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  SEINET200721 Image available Antennaria rosea J. P. Tracy 1939-8-6 16397 Humboldt Shore of Big Lagoon 3 Comment
  HSC56940  Antennaria suffrutescens Overton, Butler 1979-7-23 9419 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  RSA167203  Antennaria suffrutescens Joseph P. Tracy 1947-7-9 17864 Humboldt Horse Mountain 1432 Comment
  UC1565810  Antennaria suffrutescens R. Spellenberg 1990-7-10 10250 Humboldt 4 mi s, 7.5 air mi sw of Willow Creek Berry Summit; Horse Mountain 1493 Comment
  UCR48595  Anthemis cotula R. D. Goeden, Don W. Ricker 1987-9-2 870902- 13 Humboldt Loleta, along Cannibal Road 8 Comment
  UCD56137  Anthoxanthum aristatum Joseph P. Tracy 1951-6-26 19548 Humboldt Snow Camp Meadow. Comment
  HSC10095  Anthoxanthum occidentale D. W. C. Humboldt Mattole Area Comment
  LA9278  Anthoxanthum odoratum H. S. Yates; 1936-6-23 16830 Humboldt 2 mi E of mouth of Mad River 30 Comment
  HSC37193  Anthriscus caucalis Barbara Kelly 1976-5-8 250 Humboldt Westhaven Stables, 1 mi from 101 on Westhaven Dr. Comment
  HSC100657  Antirrhinum breweri Carl C. Marshall Jun 1887 490 Humboldt Harris's Ranch. Comment
  UCR46782  Antirrhinum vexillocalyculatum subsp. breweri D. M. Thompson 1983-6-26 354 Humboldt Kneeland Road 9.1 mi south of jct with Mountain View Road. 446 Comment
  UC1196738  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1900-9-9 955 Humboldt near Hydesville (gravel bar of Yager Creek); Northern Coast Region, Yager Creek 60 Comment
  UC1196739  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1946-11-17 17665 Humboldt Eel River at mouth of Van Duzen River; Eel River 18 Comment
  HSC40265  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt 3 mi. W of Arcata Comment
  UC213319  Apocynum androsaemifolium Joseph P. Tracy 1919-9-23 5280 1/2 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  HSC75558  Aquilegia formosa var. formosa J. O. Sawyer, R. J. Cole 1977-7-3 3006 Humboldt Environs of Mud Spring, Big Hill Rd. (F.S. 8N01) 1524 Comment
  CAS-BOT-BC17260  Arabidopsis thaliana Joseph Prince Tracy 1932-5-17 10091 Humboldt Northern Coast Ranges. Trinity River Valley, at Willow Creek. 152 Comment
  HSC76368  Arabis breweri var. breweri Denis Kearns 1981-7-21 293 Humboldt Near Whiteys Peak 1585 Comment
  HSC32155  Arabis breweri var. breweri D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5595 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC6523  Arabis glabra D. E. Anderson 1962-5-10 2206 Humboldt Lanphere Ranch. Comment
  HSC6527  Arabis glabra D. E. Anderson 1962-7-10 2245 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 Comment
  HSC57407  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-26 10162 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  CAS-BOT-BC128694  Arbutus menziesii Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  HSC7600  Arbutus menziesii John A. Dubois 1962-5-12 12 Humboldt 20 mi. E of Arcata Comment
  HSC7601  Arbutus menziesii L. D. Napier 1962-5-20 19 Humboldt 10 mi. SE of Arcata on Fickle Hill. 534 Comment
  HSC7604  Arbutus menziesii D. E. Anderson 1965-5-15 3707 Humboldt Along Hwy. 299, just N of Sugar Bowl Ranch. Comment
  JEPS44155  Arctium minus W. L. Jepson 1921-9-10 9459 Humboldt flat at Philipsville; flat at Philipsville Comment
  CAS-BOT-BC23728  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23734  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Van Duzen River. Comment
  CAS-BOT-BC23752  Arctostaphylos columbiana Joseph P. Tracy 1934-7-2 13293 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23756  Arctostaphylos columbiana Alice Eastwood 1907-4-21 12 Humboldt Trinidad Comment
  CAS-BOT-BC23785  Arctostaphylos columbiana Doris K. Kildale 1927-2-22 2980 Humboldt Kneeland Prairie at juncion of old and new roads 609 Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  JEPS38947  Arctostaphylos columbiana Joseph P. Tracy 1927-8-14 8331 Humboldt Big Lagoon 152 Comment
  JEPS38964  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13139 Humboldt vicinity of Trinidad 60 Comment
  JEPS49510  Arctostaphylos columbiana J. E. Adams 1955-5-12 1045 Humboldt Patrick's Point Comment
  RSA622687  Arctostaphylos columbiana Jon E. Keeley 1996-10-13 27789 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA622690  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27678 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
  UC397307  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6142 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UC585920  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC718025  Arctostaphylos columbiana Carl B. Wolf 1934-6-30 5844 Humboldt 5 1/2 mi from Shelter Cove (on road to Briceland) 152 Comment
  UCD50772  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1170 Humboldt 21.4 miles east of U.S. Highway 101 on Bald Hills Road from Orick, French Camp Ridge. Comment
  SEINET11998373  Arctostaphylos columbiana W. Knight, Knight, I. 1989-1 6477 Humboldt Big Lagoon Park, few yards N of entrance along US 101 15 Comment
  HSC98571  Arctostaphylos glandulosa subsp. glandulosa Cara Witte 2008-8-5 987 Humboldt Buck Flat. 1/4 mile south of intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  SD230217  Arctostaphylos glandulosa subsp. glandulosa Louis C. Wheeler 1959-8-1 7621 Humboldt Queens Peak Mine. Comment
  UC1193022  Arctostaphylos glandulosa subsp. glandulosa R. H. Neuns 1950-10-9 135 Humboldt 3 mi w Thorne; Quad 28D4 670 Comment
  RSA632793  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27796 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA633021  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27801 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  RSA633026  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27804 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  HSC102569  Arctostaphylos nevadensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1556 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC40546  Arctostaphylos nevadensis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2528 Humboldt Canyon of Bear Creek, W of Black Lassic 1555 Comment
  HSC7779  Arctostaphylos nevadensis D. E. Anderson 1965-6-1 3759 Humboldt Horse Mountain, S facing slope 1220 Comment
  RSA24337  Arctostaphylos nevadensis C. B. Wolf 1941-2-26 4040 Humboldt 6 2/10 mi. W. of Klamath River Bridge on Weitchpec to Orick Rd. 610 Comment
  UC585958  Arctostaphylos nevadensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8944 Humboldt openings in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC40062  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1935-6-23 13991 Humboldt French Camp Ridge 1066 Comment
  SEINET11989093  Arctostaphylos nevadensis subsp. knightii R. Gankin, Hildreth, W. R. 1967-1 1177 Humboldt 21.4 mi E of US 101 on Bald Hills Rd from Orick, French Camp Ridge Comment
  CAS-BOT-BC46627  Arctostaphylos patula L. B. Kildale 1930-8-10 10533 Humboldt Snow Camp. Head of Redood Creek. Comment
  JEPS38935  Arctostaphylos patula Joseph P. Tracy 1935-7-14 14063 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC43991  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1981-3-1 4047 Humboldt Samoa Sandspit at Humboldt Bay Comment
  RSA152315  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17500 Humboldt Eureka. 46 Comment
  UC1196870  Arctostaphylos uva-ursi Joseph P. Tracy 1937-9-26 15685 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC21912  Arctostaphylos uva-ursi J. Burtt Davy 1899-7-30 6184 Humboldt opposite Eureka; Samoa Comment
  RSA337436  Arctostaphylos uva-ursi var. coactilis R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35148 Humboldt Samoa Dunes. 3 Comment
  SEINET11987311  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4200 Humboldt Strybing Arboretum, Golden Gate Park, San Francisco, orig. probably from Samoa Sand Spit Comment
  SEINET11993189  Arctostaphylos uva-ursi var. coactilis H. P. Chandler 1901-1 1133 Humboldt Humboldt Bay, North Coast Ranges 3 Comment
  UC1198332  Arenaria serpyllifolia subsp. serpyllifolia Joseph P. Tracy 1929-4-28 8545 Humboldt Trinity River Valley, Willow Creek 152 Comment
  HSC8972  Aristida oligantha DWC 1956-8-2 Humboldt Garberville - Laughlin soil Comment
  CAS-BOT-BC82100  Arnica cernua Harley P. Chandler 1901-6-1 1298 Humboldt [Hupa] Hoopa Indian Reservation 609 Comment
  JEPS20981  Arnica cernua Joseph P. Tracy 1938-6-13 15902 Humboldt Horse Mt. 1432 Comment
  CAS-BOT-BC82430  Arnica discoidea Doris K. Kildale 1926-6-27 2190 Humboldt McClellan Mountain - Sweasey Lake 822 Comment
  CAS-BOT-BC82647  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt Trinity Summit, Fir Woods near Corral Prairie 1524 Comment
  UC302175  Arnica latifolia Mrs. L. B. Kildale 1926-4-25 Humboldt Sugar Bowl Mt. Trinity River 457 Comment
Read comments
Mar 1 2007
  HSC48525  Arrhenatherum elatius Thomas W. Nelson, Jane P. Nelson 1978-7-3 4412 Humboldt McKeown Ranch, N of Dinsmore Comment
  JEPS37048  Artemisia dracunculus W. L. Jepson 1932-7-28 16437 Humboldt Dyerville Comment
  HSC40299  Artemisia pycnocephala Linda M. Barker 1976-8-2 1675 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  UC1199379  Artemisia pycnocephala Joseph P. Tracy 1918-7-28 5089 Humboldt ocean beach at Humboldt Bay Comment
  UC1199378  Artemisia suksdorfii Joseph P. Tracy 1939-5-28 16309 Humboldt coast bluffs s Centerville 60 Comment
  RSA21567  Aruncus sylvester Doris Kildale Gillespie 1937-09 9368 Humboldt Humboldt Comment
  HSC49144  Asarum caudatum J. O. Sawyer 1977-4-23 2840 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC99362  Asarum caudatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 11 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET8690239 Image available Asarum caudatum C. C. Harris, S. K. Harris 1936-1 652 Humboldt On Yager Rd from Carlotta 457 Comment
  UCD15240  Asarum caudatum Glen Greenleaf 1974-4-10 13 Humboldt along highway 36, 10.8 miles east of Hydesville on south side of road. 140 Comment
  SEINET10857354  Asclepias fascicularis R. W. Schery, E. M. Curtis 1939-7-20 Schery 8 Humboldt West of Sequaia 914 Comment
  POM127914  Asclepias speciosa P. E. Goddard 1906-06 688 Humboldt Blocksburg 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
  CAS-BOT-BC478833  Asparagus officinalis Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson's Creek, Orleans region Comment
  HSC1049  Aspidotis densa D. E. Anderson 1965-5-1 3582 Humboldt Along road to Bluff Creek campground, about 3 mi. from its junction with Hwy. 96 Comment
  UC1795051  Aspidotis densa Ruth Kirkpatrick 2003-8-2 1177 Humboldt Kneeland Airport, E-facing slope to E of runway Comment
  UC33516  Astragalus rattanii var. rattanii Chesnut and Drew July 1888 Humboldt Mad River Comment
  UC397265  Astragalus rattanii var. rattanii P. E. Goddard June, 1907 b. 124 Humboldt Van Duzen Comment
  UC180213  Astragalus umbraticus Joseph P. Tracy 1914-7-5 4575 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mt., betw High Prairie-Snow Camp 1219 Comment
  UC302116  Astragalus umbraticus Joseph P. Tracy 1926-6-6 7559 Humboldt on road w Hoopa Valley (Hoopa Mountain); Northern Coast Ranges, , w <of> Hoopa Valley 914 Comment
  HSC76227  Asyneuma prenanthoides Overton, Butler 1979-7-24 9772 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC10342  Athyrium filix-femina var. cyclosorum W. R. Supernaugh, Jr. 1964-12-12 8 Humboldt 1 mi. W of Freshwater Corners on Old Arcata Rd on S side of Hwy. Comment
  JEPS35144  Athyrium filix-femina var. cyclosorum Lincoln Constance 1934-6-2 785 Humboldt S. Fork Eel River Comment
  HSC32331  Athysanus pusillus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5671 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  UC673039  Atriplex triangularis Harold E. Parks and Joseph P. Tracy 1934-10-13 11152 Humboldt Big Lagoon 3 Comment
  HSC47798  Avena barbata Michael A. Watkins 1978-6-10 4 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  SEINET4175775  Avena barbata Joseph P. Tracy 1906-4-29 2426 Humboldt Edge of field near Bucksport Comment
  HSC100249  Avena fatua J. P. Smith, & J. O. Sawyer 2010-5-2 12793 Humboldt At junction of Hwy. 96 and Big Rock Access Road. 145 Comment
  HSC9006  Avena fatua E. W. Styskel 1963-5-19 34 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 290 Comment
  UC503075  Azolla filiculoides Joseph P. Tracy 1927-7-16 8258 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC5123  Baccharis douglasii W. L. Jepson 1932-7-24 16391 Humboldt Tooey Ranch, Garberville Comment
  RSA134603  Baccharis pilularis Percy C. Everett, E. K. Balls 1959-10-25 23968 Humboldt 1.5 miles from Ferndale on Old Coast Road to Capetown Comment
  UC1199296  Baccharis pilularis Joseph P. Tracy 1933-10-15 13099 Humboldt Miranda South Fork of Eel River 121 Comment
  UC169039  Baccharis pilularis Joseph P. Tracy 1912-10-20 4003 Humboldt Alton 30 Comment
  UC673030  Baccharis pilularis Joseph P. Tracy 1940-10-17 16764 Humboldt Camp Grant, 2-5 mi e of the South Fork of Eel River Eel River 45 Comment
  UC275273  Barbarea orthoceras Joseph P. Tracy 1923-6-17 6272 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC106400  Bellis perennis R. Kent Beattie 1946-9-11 11875 Humboldt Redwood forest near Van Dusen River, one mile northwest of STrongs Station on Route 36 Comment
  HSC5189  Bellis perennis John A. Dubois 1962-5-23 20 Humboldt 20 miles East of Arcata Comment
  CAS-BOT-BC48156  Bensoniella oregona Joseph P. Tracy 1923-6-24 6363 Humboldt Bald Mountain in cold wet meadow near high prairie 1066 Comment
  HSC53890  Bensoniella oregona Griswold, Butler 1979-7-11 6384 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  CAS-BOT-BC400046  Berberis L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road Comment
  HSC35711  Berberis aquifolium Thomas W. Nelson 1975-10-12 2238 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC3348  Berberis nervosa Eugene Andreuccetti 1964-5-2 36 Humboldt 5 mi. W of Willow Creek on Hwy. 299 Comment
  HSC3353  Berberis nervosa Dan O'Brien 1962-5-9 Humboldt 4.5 mi. E on Fickle Hill Rd. Comment
  SDSU13767  Berberis nervosa Harvey 1938-8-14 2318 Humboldt U.S. 299. Arcata-Willow Creek. Comment
  CAS-BOT-BC75798  Berberis pinnata Doris K. Kildale 1926-9-5 2645 Humboldt Signal Peak - Lasseck's Peak. 1791 Comment
  HSC70384  Berberis pinnata M. A. Baker 1980-6-7 1801 Humboldt Near Brush Mtn. 1128 Comment
  UCD129580  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. From Orleans down the river. 121 Comment
  HSC64434  Bistorta bistortoides J. P. Smith, Steve Selva 1970-6-30 4119 Humboldt Comment
  UC370622  Blechnum spicant H. E. Parks 1925-6-20 3231 Humboldt Orick Comment
  CDA42493  Blechnum spicant G. D. Barbe, T. C. Fuller 1974-6-18 1874 Humboldt Fern Canyon Road, 2.8 miles west of Highway 101, 5 miles south of Klamath River. 0 Comment
  POM87950  Blechnum spicant L. R. Abrams, R. Bacigalupi 8299 Humboldt Near northern county line Comment
  HSC65854  Boschniakia strobilacea Gail Newton 1980-6-24 602 Humboldt Near Ladder Rock 1570 Comment
  HSC102034  Botrychium multifidum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 937 Humboldt Patterson Meadows 1555 Comment
  UC492218  Boykinia major Joseph P. Tracy Jul 16 1930-Jul 19 1930 8935 Humboldt South Fork Mountain Northern Coast Ranges, South Fork Mountain (in wet meadow at McKay Camp) 1676 Comment
  HSC25680  Boykinia occidentalis Tim Baroni 1971-8-1 150 Humboldt 8 mi. E of Petrolia on the Mattole River Comment
  CAS-BOT-BC420274  Boykinia occidentalis Milo S. Baker 1923-9-19 84 Humboldt Canon near Carlotta Comment
  JEPS49650  Boykinia occidentalis W. L. Jepson 1902-7-11 2012 Humboldt walls South Fork Trinity River (river bank, Martin's Ranch); walls of the South Fork Trinity River, river bank Comment
  CAS-BOT-BC36698  Brassica rapa Roxana S. Ferris 1937-8-21 9391 Humboldt Face of Cliff above Shelter Cove. Comment
  HSC6589  Brassica rapa D. E. Anderson 1962-1-31 1909 Humboldt Blue Lake, near oxidation pond Comment
  CAS-BOT-BC106288  Brickellia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  RSA244953  Briza maxima Glen I. Wilcox 1973-5-26 s.n. Humboldt West shore of freshwater lagoon. Comment
  UCD57169  Briza maxima P. B. Kennedy 1929-6-13 s.n. Humboldt Etterburg. Comment
  UCD57276  Briza maxima Joseph P. Tracy 1950-5-30 18711 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  BLMAR52  Briza maxima Brad Barr June, 1982 52 Humboldt King range, Etters cabin Comment
  HSC37934  Briza minor Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near Humboldt County Airport Comment
  HSC45594  Briza minor Diane L. Reed 1978-5-7 60 Humboldt 2 mi. up Friday Ridge Rd. from Hwy. 299 Comment
  HSC89421  Briza minor P. A. Daly 1984-7-15 32 Humboldt Trinidad Head 61 Comment
  SEINET4183111 Image available Briza minor Joseph P. Tracy 1912-6-9 3664 Humboldt Alton 30 Comment
  HSC98606  Brodiaea elegans subsp. elegans Cara Witte 2007-7-8 437 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  HSC22043  Brodiaea elegans subsp. elegans D. G. Hauger 1967-7-15 22 Humboldt Shower Pass Rd., Kelly's turn off 915 Comment
  UC1197748  Brodiaea elegans subsp. elegans Joseph P. Tracy 1942-6-15 17163 Humboldt grassy bench 1/2 mi ne Garberville 304 Comment
  UCSB16626  Brodiaea elegans subsp. elegans Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Greek on US299 822 Comment
  CAS-BOT-BC486504  Brodiaea stellaris Doris K. Kildale 1925-6-14 681 Humboldt Head of South Yager. bald hills 914 Comment
  UC666939  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1933-5-20 12249 Humboldt 1 mi w Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  CAS-BOT-BC144345  Bromus Doris K. Kildale 1926-5-16 2009 Humboldt South Fork of Eel River. Miranda. Comment
  UC1152025  Bromus carinatus var. carinatus Joseph P. Tracy 1951-6-26 19570 Humboldt vicinity of Twin Lakes (Snow Camp and Twin Lakes trip) Comment
  RSA34310  Bromus diandrus L. Larsen 1935-5-6 s.n. Humboldt [no additional locality data provided] Comment
  HSC37852  Bromus hordeaceus Peter Sorensen 1976-6-2 Humboldt Humboldt Bay, Woodley Island Comment
  UC1103273  Bromus laevipes Joseph P. Tracy 1912-7-31 3934 Humboldt Northern Coast Ranges, summit of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  UCD59545  Bromus rubens Joseph P. Tracy 1948-6-13 18053 Humboldt Harris. 762 Comment
  UC1103357  Bromus sterilis Joseph P. Tracy 1920-5-31 5331 Humboldt near Carlotta (along Yager Creek); Northern Coast Ranges, Yager Creek 60 Comment
  UC1145179  Bromus tectorum Joseph P. Tracy 1939-4-29 16248 Humboldt 8 mi below Orleans (near Slate Creek, Klamath River); Klamath River 121 Comment
  HSC74753  Bromus vulgaris Gail Newton 1981-8-6 2396 Humboldt Near Bug Creek 1125 Comment
  UC179918  Bromus vulgaris Joseph P. Tracy 1912-7-27 3884 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC49024  Cakile maritima Patricia Shesgreen 1978-8-19 143 Humboldt Mad River Beach, Arcata Comment
  HSC95096  Cakile maritima Andrea Pickart 2002-7-2 150 Humboldt King Salmon Sand Spit 0 Comment
  SEINET11993511  Cakile maritima F. H. Utech 1986-1 86 -403 Humboldt Cape Mendocino, along Pacific Ocean 5 Comment
  HSC74072  Calamagrostis foliosa Joyce Walker 1980-9-3 Humboldt Shipman Creek Comment
  UC1145053  Calamagrostis foliosa Joseph P. Tracy 1938-6-17 15967 B Humboldt near Panther Gap (on road between Mattole and Bull Creek) 822 Comment
  HSC44185  Calamagrostis koelerioides Thomas W. Nelson, Jane P. Nelson 1977-9-3 3736 Humboldt Ridge NW of the pond above Alder Spring 1555 Comment
  UC552721  Calamagrostis koelerioides Joseph P. Tracy 1935-7-30 14371 Humboldt Salmon Summit 2011 Comment
  JEPS71173  Calamagrostis nutkaensis W. L. Jepson 1936-8-18 17943 Humboldt Wildcat Ridge Comment
  HSC64325  Calandrinia ciliata J. P. Smith 1970-6-7 3802 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC98087  Callitriche heterophylla var. bolanderi Cara Witte 2007-7-11 479 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  CHSC110706  Callitriche stagnalis Dean Wm. Taylor 2004-6-24 19136 Humboldt Clear Lake, along Titlow Hill Road. 1493 Comment
  CAS-BOT-BC80380  Calocedrus decurrens Doris K. Kildale 1925-8-18 1252 Humboldt Trinity Summit - McKay's Cabin 1524 Comment
  CAS-BOT-BC80386  Calocedrus decurrens Doris K. Kildale 1926-8-31 2606 Humboldt Mattole River Valley, Geo. H. Mineis Ranch Comment
  HSC58144  Calocedrus decurrens Gilbert Muth 1979-8-1 12179 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1781 Comment
  HSC72809  Calocedrus decurrens Gail Newton 1980-6-28 676 Humboldt Near Mad River Butte. 1536 Comment
  RSA0036651  Calocedrus decurrens Thomas Stoughton 2013-5-28 1760 Humboldt Ridge West of Red Lassic heading toward Signal Peak, northeast of Signal Peak. 1668 Comment
  UC1225854  Calochortus amabilis Joseph P. Tracy 1948-6-13 18050 Humboldt Harris 609 Comment
  UCD18587  Calochortus amabilis Roman Gankin 1956-3-17 107 Humboldt off US Hwy 101, south boundary of Jenson Grove, near creek. Comment
Read comments
Feb 17 2006
  HSC73535  Calochortus tolmiei Gail Newton 1980-7-14 1494 Humboldt Near Last Chance Ridge. 1219 Comment
  POM264814  Calochortus tolmiei Lincoln Constance, Alan A. Beetle, Joseph P. Tracy 1940-5-17 2614 Humboldt Larrabee Valley, near Eureka 762 Comment
  UC1197673  Calochortus tolmiei Joseph P. Tracy 1921-4-24 5466 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC129390  Calycadenia fremontii Harley P. Chandler 1901-6-1 1533 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  UC176850  Calycadenia fremontii Joseph P. Tracy 1911-7-4 3282 Humboldt near, west side of Trinity River Willow Creek; Northern Coast Ranges, Trinity River 243 Comment
  UC668210  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River, west of its mouth South Fork of Trinity River 304 Comment
  RSA167249  Calycadenia truncata subsp. microcephala Joseph P. Tracy 1941-9-1 17009 Humboldt In slide rock along Trinity River near Don Juan Point 335 Comment
  CHSC24853  Calypso bulbosa A. D. Launer 1976-4-9 6 Humboldt On e hillside of Blocksburg Cemetery, ca. 30 yds s of Cemetery Rd, 200 yds w of Alderpoint Rd in Blocksburg. 464 Comment
  HSC70954  Calypso bulbosa Thomas W. Nelson 1977-6-15 3429 Humboldt Along FS 6N01, just N of Clear Lake 1372 Comment
  SEINET3889827  Calypso bulbosa Michael Dalke 1979-1 Humboldt Comment
  HSC55198  Calyptridium monospermum G. L. Clifton, Terry Griswold 1979-8-2 12299 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1198374  Calyptridium monospermum Joseph P. Tracy 1919-9-18 5223 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1889 Comment
  SEINET12343669  Calystegia occidentalis L. K. Henry 1971-7-6 Humboldt Along Rt 36, 2 mi E of Dinsmore, in Six Rivers National Forest Comment
  UC1197883  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1926-5-9 7454 Humboldt near Bridgeville; near Bridgeville 457 Comment
  UC1222150  Calystegia purpurata subsp. purpurata Joseph P. Tracy 1950-6-8 18769 Humboldt near Petrolia (2 mi down river, hills between town and Ocean); near Petrolia Comment
  HSC37769  Calystegia silvatica subsp. disjuncta Thomas W. Nelson 1976-8-10 3166 Humboldt Intersection of 11th and B St. in Arcata Comment
  UCD126159  Calystegia soldanella Linda M. Barker 1976-6-1 1559 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC31366  Calystegia soldanella Larry E. DeBuhr, G. Wallace 1972-5-23 650 Humboldt Freshwater Lagoon 2.5 mi. S of Orick on Hwy. 101 Comment
  JEPS61560  Camassia quamash subsp. quamash Hilda W. Grinnell 1932-6-12 Humboldt below McKay Camp (South Fork Mountain); South Fork Mountain Comment
  HSC49511  Camissonia cheiranthifolia R. York 1979-5-18 293 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  HSC16444  Camissonia cheiranthifolia C. O. Baker 1962-5-7 31 Humboldt 1 mi. N of Samoa, 1/2 mi. E of coastline Comment
  RSA246929  Camissonia cheiranthifolia subsp. cheiranthifolia Robert F. Thorne, Percy C. Everett 1965-8-5 35150 Humboldt Samoa Dunes. 3 Comment
  UC1196941  Camissonia contorta Joseph P. Tracy 1901-4-14 1028 Humboldt Samoa Northern Coast Region, Humboldt Bay Comment
  UC665629  Camissoniopsis cheiranthifolia subsp. cheiranthifolia H. E. Parks August, 1941 24180 Humboldt sand dunes Little River State Park Comment
  JEPS11741  Campanula prenanthoides W. L. Jepson 1932-7-26 16413 Humboldt Bull Creek Comment
  SEINET10462965  Campanula prenanthoides Aven Nelson, Ruth A. Nelson 1977-7-1 Nelson 3562 Humboldt Along north slope of ridge between Bear & Blanket Creeks. T1S R5E SEC.25 1494 Comment
  SEINET10463440  Campanula scouleri Willis L. Jepson 1902-7-30 Jepson 2128 Humboldt THREE CREEKS TO REDWOOD CREEK 914 Comment
  UC602560  Campanula scouleri Joseph P. Tracy 1937-7-25 15560 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC6623  Capsella bursa-pastoris Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  JEPS79826  Cardamine angulata Joseph P. Tracy 1928-4-29 8425 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  UC1199206  Cardamine breweri J. P. Tracy 1901-3-31 997 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC37428  Cardamine californica John Thomas Howell 1954-4-24 29152 Humboldt Bull Creek Flat. Comment
  CAS-BOT-BC37434  Cardamine californica Lincoln Constance; Reed Clark Rollins 1942-5-20 2998 Humboldt Eel River, 1 mile north of Pepperwood. 45 Comment
  HSC57312  Cardamine californica Terry Griswold, Marvin Butler 1979-7-10 6318 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC6689  Cardamine californica E. W. Styskel 1963-4-20 16 Humboldt 3 mi SE of Korbel on Snow Camp Rd. 290 Comment
  HSC6698  Cardamine californica Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  HSC73768  Cardamine californica M. A. Baker 1980-6-7 1773 Humboldt Near Brush Mtn. 1128 Comment
  UC1199201  Cardamine californica Joseph P. Tracy 1926-2-28 7375 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, , nr South Fork T 182 Comment
  UC668053  Cardamine californica var. californica Joseph P. Tracy 1938-4-5 15704 Humboldt Willow Creek Canyon Willow Creek Canyon (along Trinity Highway) 487 Comment
  POM311254  Cardamine californica var. integrifolia Keith C. Hughes 1961-2-3 326 Humboldt Richardson Grove State Park; Mt. Range: Coast Ranges; Drainage Area: Pacific Slope. 137 Comment
  UCD114535  Cardamine oligosperma Linda M. Barker 1976-2-22 1317 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  UC552295  Cardaria draba Joseph P. Tracy 1933-5-19 12201 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  CAS-BOT-BC384761  Cardionema ramosissimum Milo S. Baker 1927-8-16 2445 b Humboldt Samoa Comment
  HSC4144  Cardionema ramosissimum P. W. Shields Apr 1955 Humboldt 5 mi. NW of Arcata Comment
  SEINET202626  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt 'Angel's Ranch' toward Hungry Hollow; Bald Mountain Comment
  HSC103599  Carex angustata Thomas W. Nelson, Jane Nelson 1987-6-11 8609 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  CAS-BOT-BC17982  Carex aquatilis Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka. Comment
  UC303150  Carex aquatilis var. dives Joseph P. Tracy 1925-7-8 7172 Humboldt Bald Mountain, meadow near High Prairie Northern Coast Ranges 1066 Comment
  CHSC98385  Carex arcta Dean Wm. Taylor; Tom Engstrom 2006-8-3 19573 Humboldt Lake Prairie; marshy area between the dam and the county road. 1057 Comment
  POM160305  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt Near the Redwood House, on the road to head of Yager 610 Comment
  UC1103574  Carex arcta J. P. Tracy 1903-8-9 1931 Humboldt immediate vicinity of Eureka 0 Comment
  UC303008  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt near Redwood House (on road to head of Yager); Northern Coast Ranges 609 Comment
  SEINET11629975  Carex athrostachya J. P. Tracy 1950-1 18989 Humboldt NW slope of Buck Mountain, Burr Valley 1067 Comment
  CAS-BOT-BC19218  Carex barbarae Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  CDA33036  Carex barbarae F. Wetherbee 1962-5-1 Humboldt Ferndale. 0 Comment
  CHSC106520  Carex bolanderi Peter F. Zika 2009-6-15 24487 Humboldt North Coast (Nco). Near Hatchery Road , S of town of Blue Lake, riparian zone on S bank of Mad River. 20 Comment
  HSC63285  Carex bolanderi M. A. Baker 1979-6-29 965 Humboldt Hopkin's Creek. 760 Comment
  HSC44056  Carex bolanderi Thomas W. Nelson, Jane P. Nelson 1977-7-1 3552 Humboldt Along Blanket Creek 1494 Comment
  HSC98948  Carex bolanderi Cara Witte 2008-7-25 934 Humboldt Friday Ridge Rd. (6N08). Approximately 1 mile east of intersection with Forest Service Road 5N10. 1325 Comment
  RSA88693  Carex bolanderi F. W. Peirson 1932-7-7 10261 Humboldt Willow Creek, a few miles above the town of that name. Comment
  SEINET10706572  Carex bolanderi Huron H. Smith 1911-1 Smith 3834 Humboldt Comment
  SEINET3900272  Carex breviligulata Thomas Nelson, Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore.; 0 762 Comment
  CHSC97052  Carex buxbaumii Gordon Leppig 1999-7-9 1183 Humboldt Big Lagoon County Park. Big Lagoon Bog. Common in northern section. NAD27 UTM Zone 10, 405321E 4557202N. 3 Comment
  UC562435  Carex buxbaumii Joseph P. Tracy 1927-4-23 7916 Humboldt Big Lagoon 3 Comment
  UC562723  Carex concinnoides Joseph P. Tracy 1927-4-23 7911 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 60 Comment
  CAS-BOT-BC34436  Carex deflexa var. boottii Joseph Prince Tracy 1939-5-14 16292 Humboldt Dinsmores. Along Van Duzen River. 731 Comment
  RSA293172  Carex densa Thomas W. Nelson, Ken Hindley 1978-5-28 4086 Humboldt On McKeown Ranch north of Dinsmore. 762 Comment
  CAS-BOT-BC34974  Carex densa Joseph Prince Tracy 1936-6-3 14847 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC750613  Carex deweyana subsp. leptopoda Henry M. Pollard 1945-9-1 Humboldt Camp Creek Klamath River Canyon Comment
  CAS-BOT-BC20076  Carex echinata Joseph Prince Tracy 1926-6-27 7666 Humboldt Northern Coast Ranges. Horse Mountain. 1463 Comment
  CAS-BOT-BC19860  Carex echinata subsp. echinata Joseph Prince Tracy 1933-7-25 12845 Humboldt North Coast Ranges. Grouse Mountains. 1524 Comment
  JEPS79853  Carex echinata subsp. echinata Joseph P. Tracy 1933-7-25 12845 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC96553  Carex echinata subsp. phyllomanica Gordon Leppig 1997-6-19 446 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  CHSC98332  Carex feta Thomas W. Nelson; Jane P. Nelson 1982-7-11 7115 Humboldt North Coast Ranges. Along road from Hindley's cabin on McKeown's ranch to Anderson's ford at Mad River. T02N R05E S28 and 29. Comment
  RSA167284  Carex feta Joseph P. Tracy 1950-7-6 19010 Humboldt Buck Mountain: High meadow on west side, 3 miles south of Burr Valley, on the Albee Road. 1159 Comment
  CHSC109942  Carex geyeri Peter F. Zika 2011-7-3 25498 Humboldt Titlow Hill Road, 4.2 road miles SE of Route 299 at Berry Summit, 0.8 air km SSW of Horse Mountain, Outer North Coast Ranges. 1390 Comment
  CAS-BOT-BC20872  Carex globosa Joseph Prince Tracy 1929-6-3 8605 Humboldt North Coast Ranges. Willow Creek Canyon. Mouth of East Fork. 487 Comment
  UC303145  Carex globosa Joseph P. Tracy 1925-6-7 7064 Humboldt East Fork of Willow Creek Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC1108985  Carex gynodynama H. E. and S. T. Parks May, 1937 5813 Humboldt Spruce Cove, Trinidad, near sea level. Comment
  UC197484  Carex gynodynama Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3603 Humboldt Northern Coast Ranges, Hydesville. Comment
  SEINET7561247 Image available Carex harfordii David Castaner 1989-6-19 10253 Humboldt Gold Bluff Beach at entrance. Comment
  CAS-BOT-BC7844  Carex infirminervia Joseph Prince Tracy 1935-7-23 14162 Humboldt Trinity Summit. Wooded hillsides, lower end of Brett Hole. 1584 Comment
  CAS-BOT-BC7564  Carex integra Joseph Prince Tracy 1935-7-23 14139 Humboldt Trinity Summit. Open places at Corral Prairie. 1584 Comment
  CHSC90285  Carex laeviculmis Thomas W. Nelson; Jane P. Nelson 1987-6-11 8579 A Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  CAS-BOT-BC28502  Carex lenticularis var. limnophila Joseph Prince Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC48039  Carex leptopoda D. H. Norris 1972-6-26 23032 Humboldt Along Grouse Mtn. Rd., 5 mi. from intersection with Horse Mtn. Rd. Comment
  HSC102228  Carex luzulina M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1149 Humboldt Patterson Meadows 1555 Comment
  JEPS26004  Carex lyngbyei Joseph P. Tracy 1938-7-15 16069 Humboldt Mouth of Eel River 3 Comment
  UC103569  Carex multicaulis Joseph P. Tracy 1912-7-31 3940 Humboldt near Buck Mountain summit; Northern Coast Ranges 1524 Comment
  HSC44548  Carex multicostata Brad Klipfel 1973-7-15 167 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC45968  Carex nudata J. P. Smith 1973-5-26 6846 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  POM126515  Carex nudata Joseph P. Tracy 1922-5-29 6069 Humboldt South Yager Creek Valley. 762 Comment
  CDA33125  Carex obnupta T. C. Fuller 1961-9-28 7055 Humboldt 1.5 miles south of Samoa. 0 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
  RSA91660  Carex obnupta F. W. Peirson 1941-7-28 13108 Humboldt Road to Patrick Point. Comment
  RSA88853  Carex ovalis Alice Eastwood, John Thomas Howell 1937-6-23 4790 Humboldt Near Dinsmore s. Comment
  SEINET8989726 Image available Carex pachystachya A. L. Hipp 1999-1 443 Humboldt Whitlow - 10.2 mi from intersection of 101 and Elk Creek Road on Dyerville Loop Road. Comment
  UC1103088  Carex pachystachya Joseph P. Tracy 1926-5-15 7487 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC118598  Carex praticola Joseph Prince Tracy 1914-5-3 4421 Humboldt At Eureka 60 Comment
  CAS-BOT-BC116680  Carex subfusca Joseph Prince Tracy 1936-6-17 14954 Humboldt Buck Mountain, lower foothills of its NW slope. 762 Comment
  SEINET7577147 Image available Carex subfusca Andrew L. Hipp 1999-5-31 447 Humboldt Fort Seward, Alder Point Road, ca 2 mi N of intersection w/ Ft. Seward Rd. 503 Comment
  CAS-BOT-BC115571  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4843 Humboldt 8 miles from Kneeland on road to Yager. Comment
  RSA517340  Carex tumulicola Barbara Ertter, Thomas J. Delendick 1987-5-16 6926 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  RSA91641  Carex tumulicola Joseph P. Tracy 1932-5-1 9853 Humboldt Grassy open places at Redway. Vicinity of Garberville. 122 Comment
  UC197216  Carex tumulicola Joseph P. Tracy 4104 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC585639  Carex tumulicola Joseph P. Tracy 1937-5-17 15295 Humboldt near Willow Creek; Trinity River Valley 152 Comment
  HSC7088  Carex viridula H. E. Parks Sep 1934 5157 Humboldt Dry Lagoon Comment
  HSC39964  Carpobrotus chilensis Linda M. Barker 1976-3-22 1343 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC91590  Carpobrotus chilensis E. Mackey 1987-2-5 Humboldt Patrick's Point State Park, area next to Wedding Rock. Comment
  UCD96823  Carpobrotus chilensis Linda M. Barker 1976-3-22 1343 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC93531  Castilleja affinis subsp. affinis Gordon Leppig 1998-6-1 868 Humboldt Horse Mtn., Buck Flat, Titlow Hill Rd. at Ammon Ridge Rd. 1402 Comment
  JEPS55949  Castilleja affinis subsp. litoralis T. I. Chuang and L. R. Heckard 1968-7-3 6456 Humboldt Table Bluff Comment
  HSC90779  Castilleja ambigua subsp. humboldtiensis Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  HSC91171  Castilleja ambigua subsp. humboldtiensis Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  UC1222799  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1950-6-17 18839 Humboldt Eureka slough at the railroad bridge Eureka Comment
  HSC56121  Castilleja applegatei G. L. Clifton, Griswold 1979-8-1 11903 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC56184  Castilleja applegatei Gilbert Muth 1979-8-1 12116 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  UC604635  Castilleja applegatei subsp. martinii Joseph P. Tracy 1932-5-22 10118 Humboldt between Miranda and Redway (South Fork of Eel River); North Coast Ranges, South Fork of Eel River 91 Comment
  CAS-BOT-BC255517  Castilleja applegatei var. pinetorum Barry Silver 1986-4-23 531 Humboldt Bair Road, 9.5 miles nw of junction with Highway 299, Pine Ridge Summit area 944 Comment
  CAS-BOT-BC255519  Castilleja applegatei var. pinetorum Duart V. Brown 1947-4-2 30 Humboldt Hillside just above river, near Sweed Creek, Trinity River 426 Comment
  HSC38194  Castilleja attenuata Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near airport Comment
  HSC95071  Castilleja exserta subsp. latifolia Andrea Pickart 2002-7-2 148 Humboldt King Salmon Sand Spit 0 Comment
  SBBG54572  Castilleja exserta subsp. latifolia F. W. Pennell, J. Tracy 1940-7-6 26085 Humboldt back of beach, Table Bluff, W of Loleta Comment
  JEPS103937  Castilleja exserta subsp. latifolia T. I. and F. M. Chuang 1991-7-9 7877 Humboldt Samoa Sandune, near Louisiana Pacific Plant. Comment
  HSC56208  Castilleja miniata G. L. Clifton, Griswold 1979-8-2 12210 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC70292  Castilleja pruinosa Gail Newton 1980-7-22 1671 Humboldt Near Devils Backbone 1554 Comment
  UC1502125  Ceanothus R. Sutherland 1975-7-1 B. 1 .7 75 Humboldt along Baker Creek; Garberville Quad., along Baker Creek 335 Comment
  SBBG115928  Ceanothus arcuatus J. M. Tucker 1948-9-3 1852 Humboldt House Mtn at jct of rd to Grouse Mtn and rd to Horse Mtn Mine 1463 Comment
  HSC99132  Ceanothus cordulatus Cara Witte 2008-10-18 1049 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  HSC18275  Ceanothus cuneatus Francis Winter 1960-4-24 Humboldt Along rd., French Camp Ridge 915 Comment
  HSC73442  Ceanothus cuneatus Gail Newton 1980-7-11 1311 Humboldt Near Red Mtn. 1341 Comment
  UCD112090  Ceanothus cuneatus Thomas W. Nelson; James L. Nelson 1980-6-10 5444 Humboldt along branch road off Swayback Ridge Road, 0.5 mile east of junction. 1371 Comment
  CAS-BOT-BC83833  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-5-11 1154 b Humboldt Willow Creek watershed, NW slope of Brush Mountain 410 Comment
  UC18280  Ceanothus cuneatus var. cuneatus C. C. Marshall April 1888 Humboldt Hoopa Valley Comment
  CAS-BOT-BC49657  Ceanothus foliosus var. foliosus C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Ridge near Needle Roack Cross Roads, SW corner of Humboldt Co. Comment
  CAS-BOT-BC50053  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek, near Bosworth's 304 Comment
  UC668165  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek; near Bosworth's 304 Comment
  HSC32265  Ceanothus integerrimus J. O. Sawyer 1970-6-24 2234 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC1198007  Ceanothus integerrimus Joseph P. Tracy 1935-5-25 13878 Humboldt Fort Seward 106 Comment
  HSC37082  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-5-8 6 .8575 Humboldt County rd. 4 mi SE of Honeydew 259 Comment
  UCSB12871  Ceanothus oliganthus var. sorediatus Zinke, P. 1950-10-4 Humboldt 2 miles southeast of Honeydew 182 Comment
  CAS-BOT-BC51224  Ceanothus parryi C. Hart Merriam 1920-8-27 s.n. Humboldt South fork Eel River (10 miles so. of Garberville) Comment
  HSC43185  Ceanothus parryi R. Sutherland 1975-4-22 1 .22475 Humboldt County rd. near China Creek 204 Comment
  SDSU10303  Ceanothus parryi D. F. Howe 1962-5-21 3294 Humboldt 2.3 miles N of Garberville on #101. 152 Comment
  UCR131692  Ceanothus parryi C. B. Wolf 1941-7-27 11086 Humboldt North Coast Range, 5.8 miles west of Maple Creek on road to Freshwater from Korbel 610 Comment
Read comments
Mar 29 2012
  HSC44398  Ceanothus pumilus Brad Klipfel 1975-5-24 633 Humboldt Horse Mtn. Comment
  CAS-BOT-BC52951  Ceanothus thyrsiflorus Joseph P. Tracy 1937-5-30 15317 Humboldt Bridgeville 198 Comment
  CAS-BOT-BC52998  Ceanothus thyrsiflorus Carl B. Wolf 1927-8-22 806 Humboldt 1 mile south of Orick, along the hills near the ocean. Comment
  CHSC19497  Ceanothus thyrsiflorus Norman Dennis 1965-6-19 124 Humboldt About 1/4 mile south and 1 mile east of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles southeast of Kneeland. 792 Comment
  HSC101668  Ceanothus thyrsiflorus J. P. Smith, J. O. Sawyer 2011-4-23 13129 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  HSC18340  Ceanothus thyrsiflorus H. E. Parks Apr 1935 5543 Humboldt Trinidad Comment
  SEINET12209982  Ceanothus thyrsiflorus L. K. Henry 1971-1 s.n. Humboldt Along Rt. 36, 2 mi east of Dinsmore in Six Rivers National Forest Comment
  SBBG116555  Ceanothus thyrsiflorus var. thyrsiflorus D. H. Wilken 2003-7-22 16176 Humboldt near Windy Nip Gap, Mattole Rd, 1.5 km SW of Cathy's Pk 670 Comment
  HSC18355  Ceanothus velutinus Francis Winter 1960-4-24 Humboldt 2 mi. SE of Schoolhouse Peak 838 Comment
  HSC98200  Ceanothus velutinus D. E. Anderson 1965-5-1 3591 Humboldt 6.3 mi N of Hoopa along Hwy. 96 Comment
  LA26771  Ceanothus velutinus S. K. Harris; 1942-6-12 1257 Humboldt Fickle Hill Rd., 5 mi. N and 2 mi. E of Boynton Prairie 630.0 Comment
  CDA7312  Centaurea pratensis T. C. Fuller 1961-9-28 7046 Humboldt Opposite 2827 Hubbard Lane, one half block west of Harris Street at Redwood Acres Park. 0 Comment
  UC1199119  Centaurea solstitialis Joseph P. Tracy 1931-10-18 9735 Humboldt 2 to 5 mi e of South Fork (Camp Grant, along Eel River); Eel River 45 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
  RSA185429  Centaurium muehlenbergii Clare B. Hardham 1965-08 12858 Humboldt South fork of Eel River. 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
  UC1541463  Cerastium arvense H. E. Parks May 1934 4326 Humboldt Trinidad, Egg Point Comment
  HSC12544  Cerastium fontanum subsp. vulgare C. Kline 1970-11-9 63 Humboldt Bayside Rd., .5 mile N of Bayside Comment
  HSC4103  Cerastium glomeratum S. R. Johnson 1965-4-16 43 Humboldt 1.5 mi. N of Luffenholtz Beach. Comment
  HSC4107  Cerastium glomeratum David K. Smith 1968-11-20 81 Humboldt About 4 miles SE of Arcata, along Jacoby Creek. Comment
  SFV18532  Cerastium glomeratum H. Barnes 2002-5-4 39 Humboldt McKinleyville. Hiller Park. Hammond Trail, 0.2 km north from parking lot. 25 Comment
  POM187538  Cercis occidentalis Marcus E. Jones 1931-7-16 28996 Humboldt Junction, East of Arcata. Comment
  UC33525  Cercis occidentalis Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  UC492184  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1929-8-25 8661 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC85651  Chamaecyparis lawsoniana Thomas Nelson 1977-10-20 3758 Humboldt Mixed evergreen forest above junction of Maple Creek and Kneeland roads. 853 Comment
  HSC55037  Chamerion angustifolium subsp. circumvagum Gilbert Muth 1979-7-31 11497 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  UCD103651  Chamerion angustifolium subsp. circumvagum D. C. Hager 1957-7-25 188 Humboldt 7.5 miles ENE of Hoopa, Mill Creek cutover. 1402 Comment
  HSC72962  Cheilanthes gracillima Gail Newton 1980-7-14 1485 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC91610  Chenopodium album E. Mackey 1987-8-10 Humboldt Patrick's Point State Park, by trail down to Agate Beach Comment
  RSA53850  Chenopodium botrys H. M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC473031  Chenopodium macrospermum var. farinosum Malcom A. Nobs; S. Galen Smith 1949-8-11 1340 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  BLMAR526  Chimaphila menziesii Jennifer Wheeler 2009-6-23 526 Humboldt King range, On King Peak road Comment
  HSC71674  Chimaphila menziesii M. A. Baker 1980-6-26 2390 Humboldt Near Sims Creek 610 Comment
  UC154192  Chimaphila menziesii Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  HSC98134  Chimaphila menziesii Cara Witte 2007-6-26 358 Humboldt Horse Mountain Botanical Area. 1341 Comment
  POM92409  Chrysanthemum leucanthemum L. R. Abrams 1922-6-25 8236 Humboldt 2 miles south of Fortuna Comment
  CDA7412  Chrysanthemum segetum E. C. Whitney 1964-6-3 Humboldt Renus Ohman property, Rohnerville. 0 Comment
  JEPS49021  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt above Kerlin Creek (South Fork Mt.); South Fork Mt. Comment
  RSA178559  Chrysolepis chrysophylla Joseph P. Tracy 1950-7-31 19239 Humboldt Grouse Mountain, top of mountain. 1524 Comment
  HSC98993  Chrysolepis chrysophylla var. minor Cara Witte 2008-7-1 786 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  CDA38298  Cicuta douglasii T. C. Fuller 1958-6-17 1903 Humboldt Beatrice Flat, 1 mile south of Fields Landing. 0 Comment
  HSC30333  Cicuta douglasii Dale R. Gradek 1974-5-29 89 Humboldt SE end of Big Lagoon County Park 3 Comment
  HSC58382  Cinna latifolia Terry Griswold 1979-7-25 10857 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  HSC58391  Circaea alpina subsp. pacifica G. L. Clifton 1979-7-31 14100 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1433 Comment
  HSC98857  Circaea alpina subsp. pacifica Cara Witte 2008-7-30 974 Humboldt Forest Service Road 5N04. 1/4 mile east of intersection with Forest Service Road 4N70. 1583 Comment
  CAS-BOT-BC284407  Cirsium arvense L. R. Abrams 1916-7-11 6034 Humboldt Mouth of Grizzley Creek on Van Duzen River Comment
  SEINET3403284  Cirsium arvense R. W. Spellenberg, N. Zucker 2011-7-24 14302 Humboldt 8 km north of Ferndale on Grizzly Bluff Rd. 8 Comment
  HSC12339  Cirsium arvense Steve Dorei 1970-10-26 114 Humboldt SE corner of Old Arcata Rd. and Freshwater Rd. Comment
  HSC98616  Cirsium cymosum var. cymosum Cara Witte 2007-7-10 472 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  UCD130620  Cirsium douglasii var. douglasii Collector Unknown Date Unknown s.n. Humboldt Horse Mt. Comment
  HSC104423  Cirsium occidentale Jenny Lynn Hutchinson 2013-6-27 Humboldt Mt. Andy Comment
  RSA0070877  Cirsium remotifolium Joseph P. Tracy 1949-8-11 18472 Humboldt East of headwaters of Redwood Creek, beginning where the electric power line crosses, and working south. Kinsey Ridge, south from Grouse Mt., 2 to 6 miles. 1280 Comment
  UC91789  Cirsium remotifolium var. odontolepis W. W. Price 1890-7-3 Humboldt Comment
  HSC16232  Clarkia amoena R. T. Paul 1967-7-20 4 Humboldt N of Capetown 152 Comment
  CAS-BOT-BC160962  Clarkia amoena subsp. amoena L. R. Abrams 1916-7-11 5979 Humboldt [Blocksberg] Blocksburg Comment
  CAS-BOT-BC160963  Clarkia amoena subsp. amoena Ynez Whilton Winblad 1941-6-24 s.n. Humboldt Between Garberville and Pepperwood Comment
  CAS-BOT-BC160966  Clarkia amoena subsp. amoena Alice Eastwood 1921-7-21 10663 Humboldt [Vanduzen] Van Duzen River, along the road Comment
  UC20297  Clarkia gracilis subsp. gracilis Harley P. Chandler June, 1901 1363 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  JEPS43685  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1931-6-28 9597 Humboldt lower foothills of nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  UC169917  Clarkia purpurea subsp. quadrivulnera Harley P. Chandler June 1901 1471 A Humboldt Klamath River North Coast Ranges 304 Comment
  CAS-BOT-BC172513  Clarkia purpurea subsp. quadrivulnera Mrs. H. C. Cantelow 1940-7-6 s.n. Humboldt Near Dinsmore's Comment
  HSC16258  Clarkia purpurea subsp. quadrivulnera B. D. Rogers, William J. Ferlatte 1966-6-15 2096 Humboldt E of Bridgeville on Hwy. 36 671 Comment
  RSA108220  Clarkia purpurea subsp. viminea Harlan Lewis, M. Lewis 1947-6-14 422 Humboldt Highway 36 at south fork of Van Duzen River Bridge (4-119) Comment
  HSC55143  Claytonia cordifolia G. L. Clifton, Terry Griswold 1979-8-1 12036 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC17755  Claytonia exigua subsp. exigua D. E. Anderson 1963-5-19 2467 Humboldt About 1 mi. S of Kneeland school Comment
  HSC17740  Claytonia rubra subsp. rubra H. E. Parks, J. P. Tracy 1930-5-25 876 Humboldt Laribee Valley 762 Comment
  HSC73631  Claytonia sibirica M. A. Baker 1980-7-22 3131 Humboldt Near Grogan Hole. 1676 Comment
  UC83824  Claytonia sibirica Harley P. Chandler May 1901 1090 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  UCR86959  Claytonia sibirica Walter Wisura 1993-5-9 4909 Humboldt Northwest; Hwy 299, 5.7 mi west of Willow Creek at E-fork camp ground 730 Comment
  HSC99019  Claytonia sibirica C. Witte 2007-5-18 35 Humboldt Along National Forest 1. Approximately 1 mile north of intersection with 5N09. 1456 Comment
  RSA137345  Claytonia sibirica I. L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  UC1223244  Claytonia sibirica Joseph P. Tracy 1951-6-21 19521 Humboldt Hydesville; back of Everett Beck's house Comment
  HSC17719  Claytonia washingtoniana D. E. Anderson 1962-3-31 1972 Humboldt Coastal area of Prairie Creek State Park Comment
  HSC15444  Clintonia andrewsiana D. E. Anderson 1965-11-1 4167 Humboldt 3 mi. S of Kneeland School Comment
  UC14994  Clintonia andrewsiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5496 Humboldt between Camp Grant and Pepperwood; North Coast Ranges Comment
  UC1197659  Clintonia uniflora Joseph P. Tracy 1930-7-16 8966 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  SEINET201027  Cnicus benedictus Harold E. Parks, Joseph P Tracy 1942-7-2 11580 Humboldt Dinsmore's 762 Comment
  JEPS25057  Collinsia heterophylla Joseph P. Tracy 1927-5-8 7988 Humboldt Vicinity of Garberville 121 Comment
  HSC32485  Collinsia linearis Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide. Comment
  UC902215  Collinsia linearis Joseph P. Tracy 1947-7-5 17790 Humboldt ridge w of Mud Springs (Trinity Summit); Trinity Summit 1158 Comment
  JEPS13364  Collinsia linearis Harold E. Parks 1934-6-14 4789 Humboldt ca 11 mi air-line ssw Willow Creek (Horse Mtn); Horse Mtn. 1432 Comment
  RSA30612  Collinsia linearis Lincoln Constance, R. C. Rollins 1942-5-12 2888 Humboldt Klamath River 10 miles northeast of Weitchpec. 122 Comment
  UC1222820  Collinsia linearis Joseph P. Tracy 1950-7-2 18969 Humboldt on Ridge 2 mi e of Grove's Prairie (Trinity Summit, Happy Camp Mountain); Trinity Summit, Happy Camp Mountain 1371 Comment
  UC594150  Collinsia linearis S. K. Harris, J. P. Tracy 1936-6-10 3266 Humboldt w of the South Fork of the Trinity River near its mouth South Fork of the Trinity River 640 Comment
  HSC48744  Collinsia parviflora Brad Klipfel 1973-6-10 80 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC673102  Collinsia rattanii Joseph P. Tracy 1940-5-17 16552 Humboldt Larrabee Valley 731 Comment
  HSC48398  Collinsia torreyi Brad Klipfel 1973-6-10 84 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS7056  Collinsia torreyi var. wrightii Joseph P. Tracy 1933-7-16 12777 Humboldt near McKay Camp; South Fork Mtn 1676 Comment
  UC908726  Collomia grandiflora Joseph P. Tracy 1932-7-13 10501 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  UC908752  Collomia grandiflora Joseph P. Tracy 1933-7-3 12635 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1222736  Collomia grandiflora Joseph P. Tracy 1950-7-6 19029 Humboldt 3 mi s Burr Valley; Sprosten's Place 1066 Comment
  UC60861  Collomia heterophylla Mrs. M. H. Manning April, 1901 Humboldt Hupa Comment
  UC1470711  Collomia heterophylla Barbara Ertter with Thomas J. Delendick 1987-5-16 6944 Humboldt on s side Hwy 299 above Willow Creek (ca 3 mi e of Berry Summit, ca 20 air mi e of Arcata, near large volcanic rock) 800 Comment
  SEINET12278705  Collomia tinctoria H. P. Chandler 1901-1 1475 Humboldt Klamath River 427 Comment
  HSC102590  Collomia tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1577 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  JEPS26237  Collomia tracyi Joseph P. Tracy 1939-8-16 16420 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC157349  Comarum palustre Carl B. Wolf 1927-8-22 775 Humboldt Big Lagoon Comment
  JEPS14142  Conioselinum pacificum Joseph P. Tracy 1913-8-31 4388 Humboldt near Indianola (s end of Humboldt Bay); Northern Coast Region, Humboldt Bay Region 0 Comment
  RSA246751  Conium maculatum R. F. Thorne, P. Everett 1965-8-8 35237 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  HSC95706  Corallorhiza mertensiana Juha Pykala, D. H. Norris 1987-6-10 1467 Humboldt 4.5 mi. N of Weitchpec, Blue Lake 838 Comment
  HSC97979  Corallorhiza mertensiana Cara Witte 2007-7-8 428 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  JEPS64320  Corallorhiza mertensiana W. L. Jepson 1902-6-28 1948 Humboldt Berry's Ranch Redwood Creek (Hupa road) Comment
  HSC100583  Corallorhiza multiflora Carl C. Marshall 297 Humboldt Coyote Camp. Comment
  HSC37701  Corallorhiza striata A. Montalvo, J. D. Ackerman 1976-5-16 756 Humboldt 0.25 mi. E of State Hwy. 299 on Chezem Rd., W of Redwood Creek Valley Comment
  UC1409054  Cordylanthus maritimus subsp. palustris Robert F. Thorne and P. Everett 1965-8-7 35209 Humboldt Samoa Peninsula 0 Comment
  UC582562  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1924-7-20 6735 Humboldt on road between Willow Creek and Three Creeks; Koby Ranch 609 Comment
  CAS-BOT-BC101075  Coreopsis lanceolata Henry M. Pollard 1948-7-27 s.n. Humboldt Barker Ranch on Red Cap Creek, near Orleans Comment
  RSA286351  Corethrogyne filaginifolia var. californica R. F. Thorne 1974-7-29 45073 Humboldt Samoa Dunes. Comment
  JEPS79878  Cornus canadensis Joseph P. Tracy 1939-7-9 16321 Humboldt Bald Mountain at Lake Prairie Bald Mountain 1066 Comment
  CAS-BOT-BC209755  Cornus glabrata L. R. Abrams 1918-6-16 7162 Humboldt Willow Creek Comment
  UCSB24633  Cornus nuttallii Jensen, Karen 1965-4-15 Humboldt 1 km. west of Hwy. 101 by Miranda turnoff 91 Comment
  HSC100454  Cornus pubescens Carl C. Marshall Jun 1886 322 Humboldt Mad River. Comment
  RSA46844  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat. Comment
  HSC64124  Coronopus didymus J. P. Smith 1973-5-26 6876 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC275558  Corylus californica Joseph P. Tracy 1923-8-19 6537 Humboldt Lawrence Creek near Kneeland Prairie 457 Comment
  UCD110083  Corylus cornuta subsp. californica M. Risling 1975-2-15 s.n. Humboldt ca. 3 miles from Hwy 96, along Tish Tang Road. Comment
  SD117460  Cotoneaster franchetii Robert F. Thorne 1974-7-29 45072 Humboldt Samoa Dunes Comment
  HSC78086  Cotula australis L. P. Janeway, Amy Eisenberg 1984-4-24 744 Humboldt On N spit of Humboldt Bay; SE side of intersection of Samoa and Fairhaven Rds. and E of the willow patch Comment
  SEINET3817856  Cotula coronopifolia Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-9 15319 Humboldt Clam beach, 15 miles north Eureka Comment
  UCSB9478  Cotula coronopifolia Parks, H. 1941-09 Humboldt Little River State Park Comment
  HSC5433  Cotula coronopifolia W. F. Nickel 1965-5-12 Humboldt On H.S.C. campus behind the Biological Sciences building Comment
  POM264509  Cotula coronopifolia H. E. Parks 1941-09 24211 Humboldt Little River State Park Comment
  HSC79466  Crassula connata Kenneth Clark 1981-4-5 1226 Humboldt 1/4 E of Dead Man's Gulch 122 Comment
  UC1116211  Crassula connata var. eremica Joseph P. Tracy 1948-5-31 18013 Humboldt Alder Point 304 Comment
  UC1787278  Crepis capillaris G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6992 Humboldt North coast redwood area; CA-36, along the Van Duzen R. 19.6 mi E of US-101 (W of Bar W rd). 137 Comment
  POM264599  Crepis capillaris C. R. Parks 1941-08 24189 Humboldt Roadsides and fields, vicinity of Trinidad Comment
  HSC97632  Crepis pleurocarpa Cara Witte 2007-6-5 207 Humboldt Along Forest Service Road 4N32. Near Grouse Mountain 1413 Comment
  UC581728  Crepis pleurocarpa Joseph P. Tracy 1933-8-30 13033 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  RSA285966  Crocosmia X crocosmiiflora T. C. Fuller 1968-7-30 17446 Humboldt Northwest corner of overpass of Highway 1 freeway to Garberville, 1 mile south of Fields Landing Comment
  RSA263019  Crocosmia aurea Bennett, Dunn, Dziekanowski 1976-8-6 477 Humboldt By Highway 101, north side of Orick 30 Comment
  HSC98635  Croton setiger Cara Witte 2008-8-16 1031 Humboldt Along National Forest 1. On Kinsey Ridge. 1336 Comment
  POM174073  Cryptantha flaccida Joseph P. Tracy 1918-7-6 5047 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  UC1222276  Cryptantha flaccida Joseph P. Tracy 1950-6-15 18810 Humboldt n of Harris (Fort Seward Ranch); Mail Ridge Comment
  UC175773  Cryptantha intermedia Joseph P. Tracy 1911-7-6 3335 Humboldt road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC1239664  Cryptantha leiocarpa Joseph P. Tracy 1904-7-4 2112 Humboldt Bucksport Northern Coast Region, Humboldt Bay Region 0 Comment
  JEPS39856  Cupressus lawsoniana Joseph P. Tracy 1926-6-27 7672 Humboldt Horse Mountain North Coast Ranges 1463 Comment
  HSC6390  Cuscuta californica J. P. Tracy 1930-7-16 8912 Humboldt S Fork Mtn. near McKay Camp 1677 Comment
  UCSB24335  Cuscuta californica Tracy, Joseph 1930-7-16 Humboldt South Fork Mountain; openings in fir forest near McKay Camp 1676 Comment
  UC562475  Cuscuta campestris Joseph P. Tracy 1925-12-13 7337 Humboldt Big Lagoon 3 Comment
  CDA39929  Cuscuta campestris E. C. Whitney 1962-9-17 s.n. Humboldt W.E. Bartlett property, Shively. 0 Comment
  NY1043284  Cuscuta salina C. C. Harris 1941-8-28 1175 Humboldt Humboldt Bay near Table Bluffs Comment
  RSA249518  Cuscuta salina R. F. Thorne, P. C. Everett 1965-8-7 35206 Humboldt Samoa Peninsula. 0 Comment
  UC582719  Cuscuta suksdorfii Joseph P. Tracy 1937-8-12 15639 Humboldt Snow Camp 1402 Comment
  HSC3640  Cynoglossum grande Elrid H. Spinas 1948-5-15 3 Humboldt Horse Mtn. Comment
  HSC3641  Cynoglossum grande A. H. Teshima 1963-3-10 5 Humboldt Moonstone Beach area Comment
  HSC3644  Cynoglossum grande Jack Rockwell 1962-5-4 47 Humboldt E side road, 0.5 mi. from Kneeland 457 Comment
  HSC49104  Cynosurus echinatus Thomas W. Nelson, Jane P. Nelson 1978-7-3 4413 Humboldt McKeown Ranch N of Dinsmore Comment
  UCD60168  Cynosurus echinatus J. I. Mallory 1955-6-7 114 Humboldt North end of Luke Prairie. 350 Comment
  RSA54135  Cyperus bipartitus Henry M. Pollard s.n. Humboldt Near Orleans. Comment
  HSC96372  Cyperus parishii Gordon Leppig 2004-9-6 2197 Humboldt E bank of Trinity River, across river from the Loncar Summer Estate, 3.5 km N of Willow Creek 120 Comment
  UC1103635  Cyperus squarrosus Joseph P. Tracy 1921-9-4 5952 Humboldt mouth of S. Fork Trinity (Trinity R. Valley near Willow Creek); Northern Coast Ranges, Trinity R. Valley, S. Fork Trinity 152 Comment
  HSC55069  Cystopteris fragilis G. L. Clifton, Griswold 1979-7-31 11649 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  CAS-BOT-BC70552  Cystopteris fragilis Arnold Tiehm 2000-8-30 13381 Humboldt Santa Rosa Range, Buckskin Mountain Comment
  HSC70783  Dactylis glomerata Gail Newton 1980-7-23 1749 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC97568  Dactylis glomerata Cara Witte 2007-6-7 220 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  SEINET3926894  Dactylis glomerata Thomas Nelson, Jane P. Nelson 1976-7-26 3022 Humboldt Trinity-Humboldt Co. line. growing on road cut of 1S07 on serpentine west of Black Lassic.; 0 1615 Comment
  HSC58114  Danthonia californica G. L. Clifton, Griswold 1979-8-1 12073 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  CAS-BOT-BC194370  Danthonia unispicata Joseph P. Tracy 1926-6-20 7611 Humboldt Horse Mountain 1402 Comment
  UC402443  Darmera peltata P. E. Goddard 1901-7 173 Humboldt Klamath River Comment
  UC1198471  Datisca glomerata Joseph P. Tracy 1912-8-3 3972 Humboldt in Valley of Van Duzen River (opposite Buck Mountain, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC21481  Daucus pusillus D. E. Anderson 1962-7-10 2247 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 Comment
  HSC78607  Daucus pusillus L. P. Janeway, Paul Wilson 1984-5-7 767 Humboldt N Spit of Humboldt Bay, just behind foredunes near 'Flag 1 3 Comment
  UC1197348  Daucus pusillus J. P. Tracy 1905-6-11 2192 Humboldt Bucksport 0 Comment
  HSC24780  Delairea odorata Barbara Kelly 1971-11-15 230 Humboldt North Bank Rd. next to Hwy. 101, McKinleyville Comment
  CAS-BOT-BC10317  Delphinium hesperium Doris K. Kildale 1926-5-31 2079 Humboldt Cold Brook Camp between Kilipeville & lower Lake Comment
  SEINET6907329  Delphinium hesperium W. P. Vestal, A. G. Vestal 1937-6-20 s.n. Humboldt About 4 miles north of Petrolia. Comment
  CAS-BOT-BC9925  Delphinium nudicaule Doris K. Kildale 1926-4-2 1712 Humboldt Briceland Bridge, 0.5 mi. W of Garberville Comment
  UC503046  Delphinium nudicaule Joseph P. Tracy 1927-5-30 8084 Humboldt near Briceland; Northern Coast Ranges 243 Comment
  HSC44525  Delphinium nuttallianum Brad Klipfel 1973-7-1 133 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC249645  Delphinium nuttallianum Joseph P. Tracy 1922-4-30 6029 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC121963  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  CAS-BOT-BC121966  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  HSC45269  Delphinium trolliifolium M. Alcasas 1978-6-3 122 Humboldt Titlow Hill Rd. 0.8 mi. from Hwy. 299 1113 Comment
  HSC99633  Delphinium trolliifolium Allan R. Marshall 1962-5-11 10 Humboldt 50 yds. in front of N side of Hwy. 299 610 Comment
  JEPS23301  Delphinium trolliifolium W. L. Jepson 1934-5-6 16681 Humboldt Little Larrabee Creek Comment
  UC1225745  Delphinium trolliifolium Joseph P. Tracy 1946-6-15 17561 Humboldt lower slopes of mt Horse Mountain 1066 Comment
  UC984819  Delphinium trolliifolium A. M. Vollmer and L. Beane 1951-6-6 106 Humboldt on road between Orick and Weitchpec Comment
  POM207103  Deschampsia beringensis Jos Burtt Davy, W. C. Blasdale 1899-06 s.n. Humboldt Eureka Comment
  UCD61160  Deschampsia cespitosa Joseph P. Tracy 1942-6-15 17128 Humboldt Englewood, Natural prairie, near Redcrest resort. 91 Comment
  UC1131481  Deschampsia cespitosa subsp. holciformis H. S. Yates 1936-6-16 5677 Humboldt 1 mi. n.e. Samoa; Eureka Quad. Comment
  HSC9609  Deschampsia danthonioides H. E. Parks May 1934 5022 Humboldt Big Lagoon Comment
  HSC40402  Deschampsia elongata Thomas W. Nelson 1976-7-9 3006 Humboldt S of Mtn. Lassic, (Signal Peak). 1707 Comment
  HSC53938  Deschampsia elongata Griswold, Butler 1979-7-11 6970 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC54605  Deschampsia elongata Overton, Butler 1979-7-24 9689 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC58645  Deschampsia elongata G. L. Clifton, Griswold 1979-7-31 11665 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC58650  Deschampsia elongata G. L. Clifton 1979-7-31 11682 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UCD63315  Deschampsia elongata A. H. Murphy 1948-10-21 Humboldt 1/4 mile east of Lassic Peak lookout, northeast of Blocksburg. Comment
  UCD63577  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3621 Humboldt 4 miles north of Bridgeville. Comment
  SEINET11682989  Deschampsia elongata K. S. Erdman 1970-1 4813 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek State Park (Redwood N.P.) Comment
  JEPS9736  Dicentra formosa Joseph P. Tracy 1930-8-17 9164 Humboldt Big Lagoon; Northern Coast Region 15 Comment
  HSC12427  Dicentra formosa Gary J. Stebbins 1970-4-19 72 Humboldt Along road to Fieldbrook 2.8 mi. N of Hwy. 299 Comment
  UC1362284  Dicentra formosa Kingsley R. Stern 1964-6-16 2112 Humboldt 1.2 mi se Orick (vicinity Orick Dump) Comment
  CAS-BOT-BC402408  Dicentra formosa subsp. formosa Joseph P. Tracy 1933-7-16 12794 Humboldt North Coast Ranges. South Fork Mt. 1676 Comment
  HSC96162  Dicentra pauciflora Laurel Goldsmith, Wanda Naylor 2005-6-15 12 Humboldt 1 mi. SE of Grouse Mtn. on unnamed F.S. road 1400 Comment
  UC1103020  Dicentra pauciflora Joseph P. Tracy Jul 16 1930-Jul 19 1930 9019 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Range, South Fork Mountain 1676 Comment
  SEINET3071630 Image available Dichanthelium acuminatum subsp. fasciculatum Joseph P. Tracy 1900-8-26 925 Humboldt Eureka Comment
  UC526838  Dichanthelium acuminatum subsp. lindheimeri Joseph P. Tracy 1928-9-8 8500 Humboldt Big Lagoon Northern Coast Ranges, Big Lagoon 6 Comment
  UC15031  Dichelostemma capitatum P. E. Goddard 1901-7-8 33 Humboldt Hupa Comment
  HSC79414  Dichelostemma capitatum subsp. capitatum Kenneth Clark 1980-3-1 504 Humboldt Near parking access above Dead Man's Gulch 137 Comment
  SD211495  Dichelostemma congestum Barbara Ertter, Thomas J. Delendick 1987-5-16 6919 Humboldt Vista Point just West of Berry Summit on Highway 299 914 Comment
  SEINET200696  Dichelostemma ida-maia J. P. Tracy 1901-6-23 1184 Humboldt Immediate vicinity of Eureka near Ryans Slough Hill 0 Comment
  UC1198180  Dichelostemma ida-maia Joseph P. Tracy 1948-9-5 18187 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC502223  Dichelostemma ida-maia anonymous no date on label s.n. Humboldt Ferndale Comment
  SEINET12053109  Dichelostemma ida-maia J. P. Tracy, Murphy, A. H. 1951-1 19568 Humboldt vicinity of Twin Lakes and Snow Camp Comment
  UC15034  Dichelostemma multiflorum P. E. Goddard 1901-7 41 Humboldt Hupa Comment
  SEINET3885674  Dichelostemma pulchellum James P. Smith 1973-5-5 6485 Humboldt Roadside and streamside along Cook and Green Pass.; 0 Comment
  SD90195  Digitalis purpurea Benjamin C. Stone 1952-6-25 137 Humboldt 15 miles south of Klamath. 14 Comment
  UC1197658  Disporum hookeri Joseph P. Tracy 1937-7-2 15409 Humboldt Trinity Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  JEPS61828  Disporum smithii Lincoln Constance 1934-5-31 753 Humboldt South Fork Eel River, along n side of Bull Creek, from w boundary of Park to Grasshopper Peak (Squaw Creek) Road, Bull Creek; Bull Creek Region, South Fork Eel River, Bull Creek Comment
  HSC97460  Dodecatheon hendersonii C. Witte 2007-5-8 13 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1397 Comment
  UC203975  Dodecatheon hendersonii Joseph P. Tracy 1918-5-28 4947 Humboldt High Prairie on Bald Mountain Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  UC562464  Dodecatheon hendersonii Joseph P. Tracy 1927-4-2 7879 Humboldt facing South Fork of Eel River Northern Coast Ranges, fcg South Fork Eel River (Phillipsville) 121 Comment
  RSA93304  Downingia elegans var. corymbosa F. W. Peirson 1923-7-10 3871 Humboldt Wood border opening near road about 6 miles N of Garberville Comment
  RSA0011676  Drosera rotundifolia C. B. Wolf 1937-8-10 2901 Humboldt Big Lagoon, bog at state park. 6 Comment
  UCD113036  Drymocallis lactea var. austiniae Joseph P. Tracy 16-19 Jul 1930 8976 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1676 Comment
  HSC58166  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-2 12232 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  CAS-BOT-BC536647  Drymocallis pseudorupestris Doris K. Kildale 1927-7-22 3817 Humboldt Lassic peaks 1661 Comment
  UCSB29333  Dryopteris arguta Phelps, M. 1972-3-20 Humboldt Near Somerville homestead, Elk Ridge. 609 Comment
  HSC91599  Dryopteris expansa E. Mackey 1987-8-29 Humboldt Patrick's Pont State Park, by bridge over Penn Creek Comment
  CAS-BOT-BC428295  Dudleya farinosa A. A. Heller 1934-7-10 16164 Humboldt At Moonstone Beach near Trinidad. Comment
  SEINET200660 Image available Echinochloa crus-galli J. P. Tracy 1938-8-14 16115 Humboldt Trinity River Valley near the South Fork 183 Comment
  UCD61098  Echinochloa muricata Martin Pontoni 1925-11-14 Humboldt Eureka. Comment
  HSC7308  Eleocharis macrostachya R. L. Jarvis 1962-4-7 11 Humboldt E of Hwy. 101, 4 mi. S of Eureka 0 Comment
  CAS-BOT-BC113337  Eleocharis montevidensis Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region. Comment
  HSC7339  Eleocharis ovata D. E. Anderson 1963-9-29 2855 Humboldt Fish Lake Comment
  UC1103664  Eleocharis pachycarpa Harold E. Parks and Joseph P. Tracy 1934-10-13 11148 Humboldt Trinidad, at Parks' place 60 Comment
  UC303018  Eleocharis pachycarpa Joseph P. Tracy 1926-7-25 7757 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  CDA38999  Eleocharis pachycarpa Gordon Leppig 1997-6-19 449 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  UC38216  Elymus X hansenii J. Burtt Davy 1899-6-19 5661 y Humboldt Hoopa Mt. North Coast Ranges Comment
  HSC9695  Elymus condensatus J. Wendell Howe 1253 Humboldt Little River Beach Comment
  HSC103095  Elymus elymoides subsp. californicus Sydney Carothers 2014-7-3 19 Humboldt Six Rivers National Forest, Lassics Botanical Area, Mt. Lassic, upper north slope 1775 Comment
  HSC40317  Elymus glaucus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2912 Humboldt Along NW side of Lassic Peak (Signal Peak). 1738 Comment
  HSC75262  Elymus glaucus J. O. Sawyer, M. A. Erickson 1980-8-18 4056 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC9709  Elymus glaucus True Hoyle 1967-7-24 29567 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  RSA53859  Elymus glaucus Henry M. Pollard 1946-8-10 s.n. Humboldt Roadside south of Klamath River and east of Perch Creek, Orleans region Comment
  UCD62255  Elymus glaucus P. B. Kennedy 1923-8-5 Humboldt West Fork of Eel River between Phillipsville and Garberville. Comment
  HSC97930  Elymus glaucus subsp. glaucus Cara Witte 2007-6-19 295 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1220 Comment
  UCD62346  Elymus glaucus subsp. glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3454 Humboldt 2 miles north of Orleans. Klamath River. Comment
  CAS-BOT-BC203799  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8213 Humboldt Stone Lagoon 6 Comment
  HSC98925  Elymus multisetus Cara Witte 2008-7-30 969 Humboldt Forest Service Road 4N32. 1/2 mile north of intersection with Forest Service Road 4N32B. 1417 Comment
  UCD62646  Elymus trachycaulus Thomas Nelson; Jane Nelson 1976-7-26 3023 Humboldt Trinity-Humboldt Co. line: Along 1S07 West of Black Lassic. 1615 Comment
  RSA10129  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek. 762 Comment
  UC1103295  Elytrigia repens Joseph P. Tracy 1925-9-13 7267 Humboldt Eel River North Coast Ranges (mouth, on river bank) 6 Comment
  CAS-BOT-BC392223  Enemion stipitatum Joseph P. Tracy 1935-5-5 13802 Humboldt Kneeland Prairie 822 Comment
  RSA0049661  Enemion stipitatum Dean Wm. Taylor 2011-5-4 21117 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junciton with Highway 36 734 Comment
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May 17 2019
  UC183699  Epilobium brachycarpum Joseph P. Tracy 1912-7-26 3827 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC97988  Epilobium canum subsp. latifolium Cara Witte 2007-7-8 438 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  HSC55011  Epilobium ciliatum G. L. Clifton 1979-7-31 11379 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC902177  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1947-7-5 17810 Humboldt near Box Camp (along stream); Trinity Summit 1463 Comment
  HSC49645  Epilobium ciliatum subsp. glandulosum J. P. Smith, Steve Selva 1970-6-30 4138 Humboldt Comment
  UCD20169  Epilobium ciliatum subsp. glandulosum J. M. Tucker 1948-9-3 1858 Humboldt Clear Lake, near junction of Friday Ridge Road and Horse Mountain-Grouce Mountain Road. Comment
  UC144085  Epilobium densiflorum Joseph P. Tracy 1908-6 2850 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC902169  Epilobium densiflorum Joseph P. Tracy 1946-8-25 17644 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  HSC49636  Epilobium minutum J. P. Smith, J. O. Sawyer 1973-5-12 6700 Humboldt 9.6 mi. from Redwood Creek on Hoopa Rd. Comment
  UC1198480  Epilobium minutum Joseph P. Tracy 1927-6-12 8164 Humboldt Horse Mountain Northern Coast Ranges (lower slopes) 1066 Comment
  HSC96280  Epilobium minutum Eric Schori, Kazuyuki Ishimaru 2005-6-15 13 Humboldt About 18 mi. S of Hwy. 299 1400 Comment
  UC20060  Epilobium oreganum Chesnut and Drew 1888-7-28 Humboldt Grouse Creek; ; Grouse Creek, Humboldt Co. Comment
  HSC75459  Epilobium oregonense J. O. Sawyer 1980-7-18 3586 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS44027  Epilobium septentrionale W. L. Jepson 1924-9-19 10652 Humboldt river bed at Richardson Grove (S. Fork Eel R.); , Richardson Grove Comment
  UC160414  Epipactis gigantea Chesnut and Drew 1888-8-2 Humboldt Grouse Creek Comment
  UC666979  Epipactis gigantea Joseph P. Tracy 1927-7-4 8243 Humboldt Blue Slide Van Duzen River 91 Comment
  CAS-BOT-BC57104  Equisetum X ferrissii Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  HSC91902  Equisetum arvense E. Mackey 1987-8-28 Humboldt Patrick's Point State Park, Palmer's Point Comment
  HSC98068  Equisetum arvense Cara Witte 2007-7-11 505 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC100382  Equisetum arvense Carl C. Marshall May 1886 199 Humboldt Fields. Comment
  CAS-BOT-BC291166  Erechtites glomeratus M. Louise Hutchinson 1913-5-1 s.n. Humboldt Eureka Comment
  SEINET10618699  Erechtites glomeratus Harold E. Parks, Susan T. Parks Parks 24033 Humboldt Spruce Cove, Trinidad. 61 Comment
  CAS-BOT-BC299913  Erechtites minimus Carl B. Wolf 1927-8-22 769 Humboldt Big Lagoon Comment
  RSA44358  Erechtites minimus H. M. Pollard 1948-7-21 s.n. Humboldt Near Ferrian Ranch, Orleans. Comment
  CDA42399  Erica lusitanica R. Robison 2014-5-5 s.n. Humboldt Trinidad State Beach, near Ewing Street access, across the street from planted yards. 0 Comment
  HSC99129  Ericameria greenei Cara Witte 2008-9-13 1038 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  RSA44411  Erigeron annuus H. M. Pollard 1947-8-21 s.n. Humboldt roadside between Orleans and Boyse Creek Comment
  UC774989  Erigeron foliosus var. confinis Carl B. Wolf 1937-8-13 9218 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit); North Coast Range 1219 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
  JEPS24331  Erigeron foliosus var. mendocinus Andrew P. Nelson 1960-7-19 579 Humboldt bank above South Fork Eel River; Humboldt Redwoods State Park, Nelson Grove Comment
  UC1199402  Erigeron foliosus var. mendocinus Joseph P. Tracy 1924-6-11 6695 Humboldt at Essex (Mad River gravel bar); Northern Coast Ranges, Mad River 30 Comment
  HSC46953  Erigeron glaucus J. P. Smith, Thomas W. Nelson 1977-6-30 9208 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  JEPS94286  Erigeron glaucus Vernon Oswald and Lowell Ahart 1997-9-4 8851 Humboldt 1.1 mi s of Highway 255 (North Spit of Humboldt Bay, w side of New Navy Base Road); North Spit of Humboldt Bay, New Navy Base Road 6 Comment
  POM289039  Erigeron glaucus Lyman Benson 1929-7-19 1850 Humboldt Mouth of Matole River. Comment
  HSC90474  Erigeron glaucus Jean Hanson 1980-8-28 122 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka. W end of island between dikes. Comment
  CAS-BOT-BC214584  Erigeron philadelphicus L. R. Abrams 1916-7-11 6051 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  POM187853  Erigeron philadelphicus Marcus E. Jones 1931-7-12 29146 Humboldt Alton. Comment
  UC127814  Erigeron philadelphicus var. philadelphicus Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5498 Humboldt near Camp Grant Comment
  UC594159  Erigeron philadelphicus var. philadelphicus S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3428 Humboldt nw slopes Buck Mountain 822 Comment
  CAS-BOT-BC224260  Eriodictyon californicum Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville Comment
  UC162720  Eriodictyon californicum Joseph P. Tracy 1911-7-6 3360 Humboldt along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, btw Three Creeks and Willow Creek 762 Comment
  UC24051  Eriodictyon californicum Harley P. Chandler June, 1901 1352 Humboldt Hupa Indian Reservation North Coast Ranges, , Hupa Valley (Hupa Valley) Comment
  CAS-BOT-BC224254  Eriodictyon californicum L. R. Abrams 1918-6-17 7208 Humboldt Hoopa to Briars Resort on road to Korbel Comment
  CAS-BOT-BC259265  Eriogonum latifolium Doris K. Kildale 1927-7-1 3621 Humboldt Alton Hill 30 Comment
  JEPS95019  Eriogonum latifolium Vernon Oswald and Lowell Ahart 1997-9-4 8853 Humboldt 1.1 mi s of Highway 255 (North Spit of Humboldt Bay, w side of New Navy Base Road); North Spit of Humboldt Bay, New Navy Base Road 6 Comment
  LA206930  Eriogonum latifolium Carl Epling; Mrs. Epling 1935-8-15 sn Humboldt Arcata Spit Comment
  LA206939  Eriogonum latifolium Marcus E. Jones; 1931-7-12 28806 Humboldt Alton Comment
  POM188360  Eriogonum luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata. Comment
  HSC54511  Eriogonum nudum Overton, Butler 1979-7-23 9417 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  RSA66020  Eriogonum nudum var. auriculatum F. W. Peirson 1923-7-10 4206 Humboldt Garberville. Comment
  HSC98531  Eriogonum nudum var. nudum Cara Witte 2007-7-8 445 Humboldt Board Camp Mountain. Trail 4E28. 1496 Comment
  UC775037  Eriogonum nudum var. nudum Carl B. Wolf 1937-8-13 9231 Humboldt 8 mi e on New Road towards Trinity Summit Hoopa Valley; North Coast Range 1219 Comment
  HSC49980  Eriogonum nudum var. nudum M. A. Baker 1979-6-7 780 Humboldt N bank of road to Snow Mtn. 610 Comment
  RSA12535  Eriogonum nudum var. nudum Carl B. Wolf 1934-7-2 5903 Humboldt Small Lake at Snow Camp. (Mountains east of Korbel). 1372 Comment
  UC1222336  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1950-9-22 19373 Humboldt Slate Creek Comment
  HSC43079  Eriogonum umbellatum var. argus Brad Klipfel 1973-7-31 224 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS56193  Eriogonum umbellatum var. argus W. L. Jepson 1902-7-25 2119 Humboldt Trinity Summit Comment
  SEINET3841343 Image available Eriogonum umbellatum var. stellatum Joseph P. Tracy 1935-7-28 14329 Humboldt Trinity Summit, Head of Devil's Hole 1829 Comment
  HSC38623  Eriophyllum lanatum D. E. Anderson, J. P. Smith 1971-6-21 - 1110 Humboldt 5.2 mi. E of the bridge over Eel River at Alderpoint, near Humboldt-Trinity county line Comment
  OBI36670  Eriophyllum lanatum David J. Keil 1983-7-2 17314 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit Rd Comment
  HSC97922  Eriophyllum lanatum var. achilleoides Cara Witte 2007-6-19 299 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC1199140  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1933-7-25 12875 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  RSA12442  Eriophyllum lanatum var. achilleoides C. B. Wolf 1934-7-1 5851 Humboldt Along Eel River and Redwood Highway, 1.2 mi. S of F. K. Lane Grove. 61 Comment
  CAS-BOT-BC301182  Eriophyllum lanatum var. arachnoideum Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC301389  Eriophyllum lanatum var. grandiflorum L. R. Abrams 1918-6-16 7154 Humboldt Willow Creek Comment
  HSC97629  Eriophyllum lanatum var. grandiflorum Cara Witte 2007-6-4 205 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  SEINET11850721  Eriophyllum lanatum var. grandiflorum J. P. Tracy 1944-1 17480 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC301924  Eriophyllum staechadifolium L. R. Abrams 1916-7-18 6080 Humboldt Arcata to Trinidad Comment
  HSC8496  Erodium cicutarium D. B. Bader 1963-3-1 30 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  UC183762  Erodium cicutarium Joseph P. Tracy 1913-6-14 4130 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC8479  Erodium cicutarium R. J. Vernimen 1963-2-17 8 Humboldt Clam Beach Lagoon, along railroad tracks Comment
  SEINET12118220  Eryngium aristulatum J. P. Tracy 1912-1 3777 & 4001 Humboldt Alton 91 Comment
  UC1714546  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1912-10-20 4001 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC57949  Erysimum capitatum var. capitatum G. L. Clifton, Terry Griswold 1979-7-31 11627 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  BLMAR129  Erysimum concinnum Jennifer Anthony-Wheeler 1996-4-4 129 Humboldt King range, growing on cliff faces at entrance 4mi creek & cliff faces facing ocean 12 Comment
  HSC6789  Erysimum menziesii J. W. Johnson 1962-4-1 1414 Humboldt Samoa Peninsula, in a hollow behind the foredunes, near Dune 5, Christenson Farm. Comment
  CAS-BOT-BC153743  Erythranthe alsinoides Doris K. Kildale 1926-3-21 1576 Humboldt Kneeland Prairie - Summit 853 Comment
  SEINET13679562 Image available Erythranthe floribunda Joseph P. Tracy 1911-1 3364 Humboldt Kobyo ranch, Along road between three creeks and mouth of willow creek. 762 Comment
  JEPS505  Erythronium californicum Joseph P. Tracy 1938-6-13 15896 Humboldt Horse Mountain 1432 Comment
  UC1222542  Erythronium californicum Joseph P. Tracy 1950-4-20 18616 Humboldt two mi w Dinsmore's (lower foothills of nw slope of mountain); Buck Mountain 762 Comment
  HSC48757  Erythronium grandiflorum subsp. grandiflorum Brad Klipfel 1973-6-10 71 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA367654  Erythronium revolutum Thomas W. Nelson 1976-4-3 2283 Humboldt Hwy 36 at east end of Swains Flat. Comment
  UC175815  Erythronium revolutum Joseph P. Tracy 1913-5-4 4059 Humboldt Ashfield's Butte Northen Coast Ranges 762 Comment
  HSC104354  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-4-30 16 Humboldt Larabee Creek area, east of Redcrest 805 Comment
  HSC97441  Eschscholzia californica Ivy Watson 2008-10-5 45 Humboldt Blue Lake, 500 m upstream of the Hatchery Rd. bridge. 22 Comment
  RSA168833  Euchiton gymnocephalus Joseph P. Tracy 1946-6-23 17596 Humboldt Dan McBride's place, southeast end of Kneeland Prairie 762 Comment
  HSC49682  Euchiton sphaericus J. O. Sawyer 1977-7-1 2990 Humboldt Aikens campground. Comment
  CAS-BOT-BC206801  Euonymus occidentalis Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  UC275491  Euonymus occidentalis var. occidentalis H. E. Parks and Joseph P. Tracy 1925-6-14 7123 Humboldt along streams on Kneeland Prairie rd. Northern Coast Ranges, Kneeland Prairie rd. 457 Comment
  JEPS51876  Euphorbia crenulata Lincoln Constance 1934-5-24 646 Humboldt Bull Creek Region; South Fork Eel River 121 Comment
  CDA4817  Euphorbia helioscopia W. Simas 1962-12-4 Humboldt Fisher property, Island School Road, Ferndale. 0 Comment
  HSC69641  Euphorbia peplus R. Kalal 1980-6-8 18 Humboldt Arcata, at intersection of Hill St. and Spring St. in the dry waste area of a yard. 43 Comment
  HSC7993  Euphorbia peplus W. F. Nickel 1965-4-22 Humboldt H.S.U. campus on W side of Biological Science building Comment
  UC902141  Euphorbia spathulata Joseph P. Tracy 1948-6-20 18068 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC1199326  Euthamia occidentalis Joseph P. Tracy 1939-9-24 16501 Humboldt near Blue Lake (along Mad River) 15 Comment
  SEINET3244015  Euthamia occidentalis S. K. Harris, Charlotte Wilder 1938-1 879 Humboldt Bars of the Van Dusen River, above Blue Slide. Comment
  UC34070  Festuca californica J. P. Tracy 1901-6-23 1175 Humboldt immediate vicinity Eureka 0 Comment
  UC34071  Festuca californica J. P. Tracy 1901-6-23 1175 Humboldt immediate vicinity Eureka 0 Comment
  UCD65873  Festuca californica subsp. californica R. Tofsrud 1947-7-1 203 Humboldt Between Alder Point and Zinea. Comment
  UCD65940  Festuca elmeri R. Tofsrud 1947-7-1 204 Humboldt Between Alder Point and Zinea. Comment
  HSC45025  Festuca occidentalis R. Sutherland 1978-4-24 7 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  HSC9952  Festuca occidentalis D. J. Wilder 1965-4-24 8 Humboldt Along road to Maple Creek from Korbel. Comment
  UC33725  Festuca rubra Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5685 Humboldt Hoopa Mt. Comment
  SEINET11683172  Festuca rubra K. S. Erdman 1970-1 4812 Humboldt Gold Bluff Beach about 3 mi NW of Berry Glen and US 101 (Redwood NP) Comment
  CAS-BOT-BC282521  Festuca subbiflora W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek and Eel River Comment
  HSC58702  Festuca subulata Griswold, Butler 1979-7-11 7033 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  UC1145204  Festuca subulata Joseph P. Tracy 1936-6-9 14903 Humboldt 4 mi se Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  CHSC19732  Fragaria chiloensis D. J. Jager 1965-5-12 66 Humboldt Ca. 1/2 mi. north of Trinidad on bluff above ocean. 45 Comment
  HSC18619  Fragaria chiloensis D. E. Anderson 1962-3-30 1954 Humboldt Coastal area of Prairie Creek State Park Comment
  HSC18609  Fragaria vesca E. W. Styskel 1963-3-3 5 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 290 Comment
  HSC18610  Fragaria vesca D. E. Anderson 1965-5-1 3558 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek 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
  HSC60190  Frangula californica J. P. Smith, J. O. Sawyer 1975-4-6 8053 Humboldt 3 mi. N of Whitehorn, across from the CA Dept. of Forestry Fire Station Comment
  CAS-BOT-BC59995  Frangula purshiana L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp. 1219 Comment
  HSC18413  Frangula purshiana J. W. Johnson 1962-4-19 1254 Humboldt Arcata, woods of the Miller Farm, Samoa Peninsula Comment
  HSC102621  Frasera speciosa M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1608 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UCSB22663  Galium aparine Jensen, Karen 1965-4-15 Humboldt 0.2 km to the west of Hwy 101 at Miranda turnoff 91 Comment
  HSC71493  Galium bolanderi M. A. Baker 1980-6-7 1797 Humboldt Near Brush Mtn. 1128 Comment
  UC213147  Galium boreale subsp. septentrionale Joseph P. Tracy 1920-8-15 5357 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  HSC71828  Galium grayanum var. grayanum Thomas W. Nelson, Jane P. Nelson 1980-6-27 5958 Humboldt Saddle E of Mt. Lassic 1677 Comment
  UC180221  Galium parisiense Joseph P. Tracy 1914-7-4 4520 Humboldt 5 mi e Korbel; Northern Coast Ranges, Angels Ranch 762 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
  HSC61873  Galium parisiense Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC602511  Galium porrigens Joseph P. Tracy 1926-4-11 7406 B Humboldt Bridgeville 198 Comment
  UC169022  Galium trifidum Joseph P. Tracy 1906-8-18 2542 Humboldt Eureka Northern Coast Region 0 Comment
  HSC76233  Galium triflorum Teresa Prendusi 1981-7-9 166 Humboldt Near Cedar Camp. 1268 Comment
  HSC19825  Galium triflorum Yarick 1960-8-5 Humboldt M&M, 7 mi., Krueger Creek Comment
  BLMAR268  Gamochaeta ustulata Jennifer Anthony-Wheeler 1999-6-16 268 Humboldt Headwaters Forest Reserve, Disturbed or wasted areas 463 Comment
  CAS-BOT-BC303388  Gamochaeta ustulata Joseph P. Tracy 1936-8-1 15057 Humboldt Canyon Creek, 6 miles SE of Blue Lake 365 Comment
  BLMAR538  Garrya buxifolia Jennifer Wheeler 2009-6-23 538 Humboldt King range, On King Peak road Comment
  HSC37838  Garrya buxifolia Thomas W. Nelson, Jane P. Nelson 1976-2-21 2246 Humboldt Beside the Hoopa-Redwood Valley Rd. ca. 5 mi. W of Hoopa Comment
  RSA286356  Garrya elliptica Robert F. Thorne 1974-7-29 45081 Humboldt Samoa Dunes. Comment
  UCSB15521  Garrya elliptica Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samosa on peninsula on western side of Humboldt Bay. Comment
  HSC8404  Garrya fremontii C. B. Wolf 1927-8-28 1169 Humboldt Lord Ellis Rd. to Blue Lake, 9 mi. from Willow Creek, 2 mi. below grade summit Comment
  UCSB4685  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek; within Hoppe Indian Reservation; upstream from Willow Creek Village. Comment
  POM207448  Gastridium phleoides Joseph P. Tracy 1900-9-9 951 Humboldt Bar of Yager Creek, near Hydesville. 61 Comment
  SEINET10559581  Gastridium phleoides Harley P. Chandler Chandler 1506 Humboldt Klamath River. 427 Comment
  JEPS71220  Gastridium ventricosum W. L. Jepson 1936-8-7 17855 Humboldt Upper Butte Creek Bear Buttes; , Bear Buttes Comment
  HSC59858  Gaultheria ovatifolia M. A. Baker 1979-7-6 1011 Humboldt .6 k W of FS rd. 15N01 on rd. 12N16, toward Bald Mtn. Comment
  HSC74354  Gaultheria ovatifolia Gail Newton 1980-6-17 216 Humboldt Near Onion Mtn. 1341 Comment
  JEPS66600  Gaultheria ovatifolia Joseph P. Tracy 1926-6-27 7670 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  HSC54650  Gaultheria shallon Overton, Butler 1979-7-25 9853 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  RSA249502  Gaultheria shallon R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35131 Humboldt Wailaki Recreation site. 518 Comment
  RSA467233  Gaultheria shallon M. B. Dunkle 1936-8-20 233 Humboldt Hupa Mts. Road Orick to Klamath River. Comment
  JEPS27605  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  POM247151  Gayophytum heterozygum Joseph P. Tracy 1933-8-30 13045 Humboldt North Coast Ranges: Grouse Mountain 1524 Comment
  HSC53980  Gayophytum humile Griswold, Butler 1979-7-11 7055 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC58834  Gayophytum racemosum Overton, Butler 1979-7-31 11406 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 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
  RSA21018  Gentiana sceptrum Carl B. Wolf 1937-9-12 9328 Humboldt Big Lagoon, south side along Redwood Highway. 6 Comment
  UC169886  Geranium dissectum Harley P. Chandler Jun 1901 1420 Humboldt Klamath River North Coast Ranges Comment
  HSC8650  Geranium dissectum Francis Winter 1960-4-24 Humboldt Redwood Creek Ranch 381 Comment
  HSC8651  Geranium molle R. T. Forester 1963-4-30 17 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC7248  Geranium molle J. E. Lankila 1962-5-14 22 Humboldt W bank of river at Fernbridge Comment
  UC1198954  Geranium solanderi Joseph P. Tracy 1931-5-23 9453 Humboldt vicinity of Trinidad (Trinidad Station); Northern Coast Region, Trinidad Station 60 Comment
  UC166037  Geranium solanderi J. P. Tracy 1911-6-11 3238 Humboldt Trinidad station 91 Comment
  CAS-BOT-BC457032  Geum macrophyllum Joseph P. Tracy 1932-7-14 10540 Humboldt Corral Prairie, Trinity Summit 1524 Comment
  SEINET200730  Gilia capillaris Joseph P. Tracy 1908-7-30 2920 Humboldt Northwest slope of Buck Mtn. 1219 Comment
  HSC97970  Gilia capitata subsp. capitata Cara Witte, Michael Scott 2007-6-22 346 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  UC1197927  Gilia capitata subsp. capitata Joseph P. Tracy 1939-7-9 16330 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC226145  Gilia capitata subsp. pacifica Doris K. Kildale 1925-6-28 794 Humboldt Kneeland Prairie - bald hills 762 Comment
  CAS-BOT-BC226149  Gilia capitata subsp. pacifica Doris K. Kildale 1927-7-1 3626 Humboldt Alton Hill 30 Comment
  UC427877  Gilia capitata subsp. pacifica H. E. Parks, J. P. Tracy 1930-5-25 793 Humboldt near Bridgeville; near Bridgeville Comment
  HSC16991  Gilia millefoliata J. Mustain 1963-4-20 41 Humboldt Big Lagoon Park Comment
  UC1197908  Gilia millefoliata Joseph P. Tracy 1946-6-2 17554 Humboldt sand dunes near Samoa; on Humboldt Bay, near Samoa 6 Comment
  UC1197909  Gilia millefoliata Joseph P. Tracy 1937-6-5 15329 Humboldt Little River Beach 6 Comment
  HSC100594  Gilia squarrosa Carl C. Marshall Sep 1886 245 Humboldt Fields near Arcata. Comment
  HSC17915  Glaux maritima Norman H. Moe 1962-5-17 Humboldt Lanphere's Place Comment
  RSA550922  Glyceria declinata R. F. Thorne, P. Everett 1965-8-9 35331 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC58659  Glyceria elata G. L. Clifton 1979-7-31 11866 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC74696  Glyceria elata Gail Newton 1981-7-23 2286 Humboldt Near Bug Creek Butte. 1350 Comment
  POM126119  Glyceria fluitans Joseph P. Tracy 1924-8-3 6749 Humboldt Stone Lagoon Comment
  CAS-BOT-BC282851  Glyceria striata Joseph P. Tracy 1925-6-13 7086 Humboldt Eureka 60 Comment
  HSC4666  Gnaphalium palustre H. E. Parks, S. T. Parks Jul 1937 24026 Humboldt Trinidad; Spruce Cove Comment
  UC1199353  Gnaphalium palustre Joseph P. Tracy 1918-7-2 4985 Humboldt upper Mattole Valley; Northern Coast Ranges, Mattole Valley 152 Comment
  RSA638984  Gnaphalium stramineum Percy C. Everett 1965-8-6 35171 Humboldt Samoa Dunes. 3 Comment
  CAS-BOT-BC304762  Grindelia hirsutula Carl B. Wolf 1937-9-9 9305 Humboldt Coast, 2 mi. So. of Cape Mendocino 6 Comment
  HSC37692  Grindelia hirsutula R. Sutherland 1976-8-6 13 .6876 Humboldt Disturbed edge of county road, just W of China Creek 223 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
  SBBG62632  Grindelia hirsutula H. E. Parks -Aug-1941 24190 Humboldt Big Lagoon Comment
  SEINET10958318 Image available Grindelia stricta var. platyphylla J. A. Moore, Julian A. Steyermark 1931-8-9 Moore 3687 Humboldt On sandy seashore at base of cliffs. 10 miles north of Trinidad, Humboldt County. Exposed sandy places along seashore. 1 Comment
  RSA34235  Grindelia stricta var. stricta C. B. Wolf 1927-8-28 1184 Humboldt Eureka Bay, on the road to Arcata. Comment
  UC206137  Hackelia bella Joseph P. Tracy 1913-6-17 4174 Humboldt near the summit Buck Mountain; Northern Coast Ranges 1676 Comment
  UC1239635  Hackelia californica Joseph P. Tracy 1936-8-8 15126 Humboldt on Ridge 2 mi e of Groves Prairie; Trinity Summit 1524 Comment
  HSC57431  Hackelia micrantha G. L. Clifton, Griswold 1979-7-26 10209 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  HSC57955  Hastingsia alba G. L. Clifton, Griswold 1979-7-31 11642 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  OBI16347  Helenium bigelovii Joseph P. Tracy 1950-7-16 11686 Humboldt Parks Place, 2 mi N of Trinidad Comment
  CAS-BOT-BC306863  Helenium bolanderi Doris K. Kildale 1927-6-26 3592 Humboldt Patrick's Point Comment
  CAS-BOT-BC306866  Helenium bolanderi Doris K. Kildale 1929-7-10 8398 Humboldt Big Lagoon Comment
  HSC91912  Helenium bolanderi E. Mackey 1986-8-2 Humboldt Patrick's Point State Park; near Ceremonial Rock Comment
  HSC44613  Hemitomes congestum R. York 1978-6-5 190 Humboldt 12 mi. up Waterman Ridge Rd. off of Hwy. 299. Bulk Collection 123 610 Comment
  RSA255769  Hemitomes congestum Gary D. Wallace 1973-7-11 1252 Humboldt Prairie Creek Redwoods St. Pk. north of Orick. SE of the residences across the road from park hdqrs. just in the treeline. Comment
  HSC32149  Hemizonella minima D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5612 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC48030  Hemizonella minima Brad Klipfel 1974-5-27 405 Humboldt Horse Mtn. Comment
  UC582404  Hemizonella minima Joseph P. Tracy 1929-7-4 8631 Humboldt French Camp Ridge 1066 Comment
  POM126140  Hemizonia congesta Joseph P. Tracy 1923-6-20 6337 Humboldt Near Briceland. 305 Comment
  RSA254780  Hemizonia tracyi Thomas W. Nelson 1973-5-28 967 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC1199419 Image available Hesperevax sparsiflora var. brevifolia Joseph P. Tracy 1932-5-16 10107 Humboldt near Samoa; Humboldt Bay 6 Comment
  UC1212225  Hesperolinon adenophyllum Joseph P. Tracy 1946-8-25 17646 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  RSA151709  Hesperolinon micranthum Joseph P. Tracy 1908-6-27 2820 Humboldt Northwest slope of Buck Mountain. 915 Comment
  RSA249393  Heterocodon rariflorum D. E. Anderson, Thomas W. Nelson, S. Dowty 1974-6-17 5709 Humboldt McKeown Ranch N of Dinsmore. Comment
  JEPS44663  Heteromeles arbutifolia Lincoln Constance 1934-6-2 778 Humboldt Bull Creek road to mouth of Bull Creek (and up Bull Creek); South Fork Eel River, Bull Creek Region Comment
  UC581759  Heterotheca oregona var. oregona Joseph P. Tracy 1933-10-15 13097 Humboldt Miranda, along South Fork of Eel River South Fork of Eel River 121 Comment
  CAS-BOT-BC311076  Heterotheca oregona var. rudis Alice Eastwood 1921-7-21 10667 a Humboldt Van Duzen River Comment
  HSC25982  Heterotheca oregona var. rudis Thomas W. Nelson 1970-9-3 233 Humboldt Mad River. Comment
  UC205160  Heterotheca oregona var. rudis Joseph P. Tracy 1919-9-27 5305 Humboldt near Mouth of Willow Creek (gravel bar of Willow Creek); Northern Coast Ranges, Valley of the Trinity River, Willow C 152 Comment
Read comments
Jul 15 2016
  UC154083  Heuchera micrantha var. diversifolia Joseph P. Tracy 1908-6 2865 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  CAS-BOT-BC312390  Hieracium albiflorum Doris K. Kildale 1926-6-6 2118 Humboldt Gold Bluffs Comment
  CAS-BOT-BC312395  Hieracium albiflorum W. R. Dudley 1899-6-19 s.n. Humboldt Scotia Comment
  CAS-BOT-BC312399  Hieracium albiflorum L. R. Abrams 1918-6-16 7149 Humboldt Willow Creek Comment
  HSC44343  Hieracium albiflorum Brad Klipfel 1975-6-17 686 Humboldt Horse Mtn. Comment
  HSC67473  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3834 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC582414  Hieracium albiflorum Joseph P. Tracy 1933-8-30 13039 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC57940  Hieracium greenei G. L. Clifton, Griswold 1979-7-31 11607 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  JEPS70574  Hierochloe occidentalis Milo S. Baker 1923-7-20 60 Humboldt Redwood House Road Comment
  UC1224689  Hierochloe occidentalis D. E. Anderson 1964-3-22 2925 Humboldt on roadcut on n side of creek Jacoby Creek Comment
  HSC5261  Holcus lanatus John Warner Hosking 1966-8-5 Humboldt Near BSA, Humboldt State College campus, Arcata. Comment
  SEINET200828 Image available Holcus lanatus J. P. Tracy 1914-9-13 4626 Humboldt Eureka 0 Comment
  UC1103733  Holcus lanatus Joseph P. Tracy 1948-7-31 18080 Humboldt Eureka 30 Comment
  UC154503  Holodiscus discolor Harley P. Chandler 1901-6-1 1314 Humboldt North Coast Ranges, Hupa Indian Reserve Hupa Indian Reserve; North Coast Ranges, Hupa Indian Reserve 152 Comment
  UCSC000355  Holodiscus discolor H. L. Person 1932-6-25 s.n. Humboldt E. of Korbel Korbel - Eureka Comment
  HSC75482  Hordeum brachyantherum J. O. Sawyer 1980-7-18 3629 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1103488  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-6-15 17126 Humboldt near Redcrest resort; Englewood 91 Comment
  UC1103489  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-6-2 17094 Humboldt 1 mi E of town Alton 18 Comment
  UC552784  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1935-5-25 13864 Humboldt Fort Seward 106 Comment
  HSC104047  Hordeum murinum subsp. murinum Kyle Brown Apr 2015 31 Humboldt Along trail at Ma-le'l Dunes 3 Comment
  SEINET200739  Horkelia californica subsp. californica J. P. Tracy 1906-6-24 2503 Humboldt Region about Humboldt Bay S slope of Humboldt Hill 0 Comment
  UC1198716  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1933-6-13 12593 Humboldt near summit (on rd w from Hoopa to Bair's); Northern Coast Ranges, Hoopa Mt. 914 Comment
  CAS-BOT-BC537894  Horkelia tridentata var. flavescens Lincoln Constance; Alan A. Beetle; Joseph P. Tracy 1940-5-17 2613 Humboldt Larabee Valley, near Eureka 762 Comment
  HSC99253  Hosackia oblongifolia var. oblongifolia Jimerson, J. Pageau 1979-8-10 717 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC100517  Hosackia purshiana Carl C. Marshall Jun 1885 83 Humboldt Near Bug Creek. Comment
  SEINET957089  Hosackia rosea J. P. Tracy 1949-1 18321 Humboldt Undergrowth in woods near Boynton Prairie 12 miles southeast of Arcata; abundant especially in Tan Oak areas spreading by rootstocks. Comment
  HSC39451  Hydrocotyle ranunculoides Linda M. Barker 1976-11-6 1704 Humboldt 3 mi W of Arcata Comment
  JEPS1641  Hydrophyllum tenuipes W. L. Jepson 1932-7-27 16427 Humboldt Bull Creek 106 Comment
  UC906638  Hydrophyllum tenuipes H. E. Parks and Joseph P. Tracy 1949-6-25 11674 Humboldt Box Camp; Trinity Summit 1463 Comment
  RSA60489  Hypericum mutilum John H. Thomas 1949-6-12 899 Humboldt Near Klamath River, 1/2 mile N of town of Orleans Comment
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC401303  Hypericum scouleri Doris K. Kildale 1926-7-9 2337 Humboldt Bayside Comment
  SEINET11855591  Hypochaeris glabra J. P. Tracy 1948-5-31 18020 Humboldt William Perry place, Dobbyn Creek 152 Comment
  UC127571  Hypochaeris radicata Harley P. Chandler May 1901 1126 Humboldt Arcata North Coast Ranges, Humboldt Bay 30 Comment
  HSC67871  Hypochaeris radicata J. P. Smith 1973-5-26 6879 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC100166  Ilex aquifolium J. P. Smith 2010-2-27 12708 Humboldt Azalea State Reserve SE of McKinleyville. 50 Comment
  UC150134  Ipomopsis aggregata P. E. Goddard 1906-6 683 Humboldt Sassick Park Comment
  HSC13860  Iris douglasiana M. N. Gold 1966-5-22 42 Humboldt 1 mi. E of Hwy. 101 on Myrtle Ave., Eureka Comment
  HSC13869  Iris douglasiana W. A. Heaton 1965-4-10 22 Humboldt 0.5 mi. N of Trinidad State Park Comment
  UC1196391  Iris macrosiphon Joseph P. Tracy 1930-5-25 8709 Humboldt Larrabee Valley 731 Comment
  RSA24204  Iris macrosiphon Carl B. Wolf 1941-3-3 9993 Humboldt N. Coast Range, 1/2 miles N of Ettersburg on road to Honeydew. 305 Comment
  RSA135930  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-16 18310 Humboldt 0.25 miles S of Orleans on Klamath River 122 Comment
  HSC13902  Iris tenuissima E. Andreuccetti 1964-5-2 37 Humboldt 50 yds. from Ruby Creek on Hwy. 299 Comment
  HSC44321  Iris tenuissima Brad Klipfel 1975-6-17 668 Humboldt Horse Mtn. Comment
  HSC59440  Iris tenuissima Kenneth Clark 1979-5-16 307 Humboldt Tish Tang State Campground, 11 mi. N of Willow Creek on Hwy. 96 244 Comment
  HSC67160  Iris tenuissima J. P. Smith, J. O. Sawyer 1973-5-12 6669 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC7450  Isolepis cernua J. P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  JEPS93173  Isolepis cernua Margriet Wetherwax and Kevin Downing 1993-8-9 2454 Humboldt s side of slough just past Pigeon Point (e side of road, near Bayside Rd and Myrtle, e side of bay, just n of Eureka); Humboldt Bay, Eureka Slough 5 Comment
  CAS-BOT-BC112457  Isolepis cernua Doris K. Kildale 1927-6-25 3556 Humboldt Shelter Cove, coastal. Comment
  HSC77189  Isolepis cernua Paul Wilson 1983-10-5 Humboldt Along Jolly Giant Creek, E of HSU housing, Arcata 15 Comment
  UC198638  Isolepis setacea Joseph P. Tracy 1917-6-17 4817 Humboldt around, Salmon Creek Valley Humboldt Bay; Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  BLMAR430  Jaumea carnosa Clara Sander 2004-8-30 430 Humboldt South Spit, 1.6km north on the south spit 3 Comment
  CAS-BOT-BC340158  Jaumea carnosa Doris K Niles 1951-8-28 10 Humboldt North side of Niles Island on Niles farm near Loleta, Eel River bottomlands. Comment
  UC668200  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt mouth Eel River (salt marsh) 3 Comment
  HSC13985  Juncus balticus subsp. ater C. B. Wolf 1927-8-22 772 Humboldt Big Lagoon Comment
  JEPS5820  Juncus bolanderi W. L. Jepson 1932-7-24 16393 Humboldt Tooey Ranch Garberville Comment
  UC183674  Juncus bolanderi Joseph P. Tracy 1908-7-22 2907 Humboldt between Van Duzen and Mad Rivers (on Dinsmore's Ranch); Northern Coast Region 1066 Comment
  UC726303  Juncus breweri A. A. Heller 1929-8-4 14996 Humboldt Little River Comment
Read comments
Dec 13 2006
  HSC39770  Juncus bufonius Peter Sorensen 1976-6-11 Humboldt King Salmon Comment
  UCD141362  Juncus bufonius Linda M. Barker 1976-6-22 1619 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC184197  Juncus bufonius var. occidentalis Joseph P. Tracy 1908-7-9 2937 Humboldt near Buck Mountain summit; Northern Coast Ranges, Buck Mountain 1219 Comment
  HSC69861  Juncus covillei Thomas W. Nelson, Ken Hindley 1978-5-28 4084 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  HSC45438  Juncus covillei Thomas W. Nelson, Jane Nelson 1978-7-2 4403 Humboldt Along margin of Lost Lake 1433 Comment
  UC201385  Juncus covillei var. obtusatus Joseph P. Tracy 1918-7-5 5007 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  HSC74671  Juncus effusus subsp. pacificus Gail Newton 1981-8-5 2360 Humboldt Near Bug Creek, E Fork. 820 Comment
  UC212986  Juncus ensifolius Joseph P. Tracy 1919-9-22 5276 Humboldt Trinity Summit Northern Coast Ranges 1828 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
  HSC102214  Juncus exiguus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1130 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  JEPS49053  Juncus exiguus Hilda W. Grinnell 1932-7-22 43 Humboldt near Blake Lookout (below and s of U.S.G.S. signal rock); South Fork Mt. 1737 Comment
  HSC90770  Juncus lescurii Gail Newton 1982-6-10 3608 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC102072  Juncus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 974 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC50573  Juncus orthophyllus G. L. Clifton, Griswold 1979-7-31 11680 Humboldt Near the Trinity Summit Guard Station, close to the town of Hoopa. 1804 Comment
  HSC57961  Juncus orthophyllus G. L. Clifton, Griswold 1979-7-31 11662 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC98517  Juncus tenuis Cara Witte 2007-6-28 382 Humboldt FS Road 5N10. Approximately 0.5 mi E of intersection with National Forest 1. 1426 Comment
  UC1225905  Kalmia polifolia subsp. microphylla Joseph P. Tracy 1942-6-23 17262 Humboldt Trinity Summit, at Water Dog Lakes Water Dog Lakes; Trinity Summit, Water Dog Lakes 1889 Comment
  CAS-BOT-BC235880  Keckiella corymbosa Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove 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-BC235889  Keckiella corymbosa Joseph P. Tracy 1933-9-9 13074 Humboldt Along S. Fork of Eel River. Vicinity of Garberville 121 Comment
  UC719827  Keckiella corymbosa Rogers McVaugh 1941-8-3 6213 Humboldt ca 8 mi s Garberville; Richardson Grove State Park Comment
  UC1222465  Keckiella lemmonii Joseph P. Tracy 1939-8-16 16425 Humboldt near Grouse Mountain; Friday Ridge 1219 Comment
  JEPS11333  Kickxia elatine Joseph P. Tracy 1934-6-22 13246 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC38432  Kickxia elatine J. P. Smith 1976-10-30 8997 Humboldt Mad River, E of Essex Lane exit. Comment
  UCD85995  Koeleria macrantha Joseph P. Tracy 1936-8-2 15071 Humboldt French Camp Ridge. 1066 Comment
  UC552314  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  CAS-BOT-BC341442  Lagophylla ramosissima H. M. Hall 1924-8-10 12081 Humboldt Van Duzen River, near Carlotta Comment
  CDA5667  Lamiastrum galeobdolon Gordon Leppig, K. Neander 2000-4-13 1292 Humboldt Arcata Community Forest, 100 meters south of trail 5 & 10 intersection, Arcata. Comment
  UCSB45118  Lamium amplexicaule Council, Michael 1978-3-11 Humboldt Southwest corner of Cathedral Oaks and Los Caneros 10 Comment
  HSC77914  Landoltia punctata Daniel V. Richards 1981-8-20 103 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
  RSA21657  Lasthenia californica C. B. Wolf 1937-6-14 8812 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  UC1199124  Lasthenia californica subsp. californica Joseph P. Tracy 1932-6-19 10249 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC1223220  Lasthenia glaberrima Joseph P. Tracy 1951-6-21 19530 Humboldt back Everett Beck house (formerly George Gray's) (Hydesville); in bed of former Goose Lake, Hydesville Comment
  UC1222399  Lathyrus glandulosus Joseph P. Tracy 1942-7-26 17298 Humboldt near Redwood House; Valley of South Yager Creek 609 Comment
  HSC32100  Lathyrus jepsonii subsp. californicus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5702 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC14738  Lathyrus littoralis Norman H. Moe 1962-5-3 Humboldt Lanphere's Place Comment
  RSA667222  Lathyrus littoralis George K. Helmkamp, E. A. Helmkamp 2001-7-8 7014 Humboldt North coast: Samoa Peninsula, 2.6 miles S of CA-255 bridge across Humboldt Bay. 15 Comment
  JEPS79916  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1922-5-29 6062 Humboldt Northern Coast Ranges, South Yager Creek Valley South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  CAS-BOT-BC205043  Lathyrus palustris Malcom A. Nobs; S. Galen Smith 1949-8-3 1187 Humboldt At the southern outskirts of Eureka Comment
  RSA64818  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19090 Humboldt Ca 10 miles W of Willow Creek, near Highway #299. Comment
  SEINET12154020  Lathyrus torreyi J. P. Tracy 1946-1 17523 Humboldt Hoopa Valley, W side nr SW corner Comment
  UC1199063  Lathyrus torreyi Joseph P. Tracy 1911-7-7 3434 Humboldt between Willow Creek Campbell Creek (viz ridge n of Willow Creek); Northern Coast Ranges, Brannan Mountain 1219 Comment
  RSA20842  Lathyrus vestitus subsp. bolanderi Carl B. Wolf 1937-6-18 8882 Humboldt Table Bluff - between Humboldt Bay and Eel River. 30 Comment
  SD53195  Lathyrus vestitus var. vestitus Darley F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on Hwy 101 60 Comment
  CHSC53236  Layia carnosa L. P. Janeway 1984-3-17 717 Humboldt On North Spit of Humboldt Bay, west of Samoa Road near the boat launch ramp. 4 Comment
  SBBG8723  Layia carnosa H. and M. Dearing 1939-5-25 3440 Humboldt near Samoa Comment
  UC1224620  Layia carnosa Peter H. Raven 1963-5-15 18370 Humboldt just w of Mad River Slough Lanphere Ranch; Arcata Comment
  UC1103516  Lemna minuscula Joseph P. Tracy 1919-9-14 5212 Humboldt opposite Willow Creek (Lack Pond on Trinity River); Northern Coast Ranges, Trinity River, Lack Pond 152 Comment
  POM361751  Leontodon nudicaulis M. B. Dunkle 1936-8-18 4810 Humboldt Fortuna Comment
  SD87756  Leontodon saxatilis subsp. saxatilis F. W. Peirson 1926-7-13 7056 Humboldt Mad River, near Blue Lake Comment
  UC1239532  Leontodon saxatilis subsp. saxatilis Joseph P. Tracy 1918-8-15 5094 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  UC1199163  Lepidium densiflorum Joseph P. Tracy 1938-7-15 16066 Humboldt Mouth of Eel River 3 Comment
  CAS-BOT-BC89492  Lepidium heterophyllum Joseph P. Tracy 1942-6-15 17140 Humboldt Miranda. 91 Comment
  UC1116216  Lepidium strictum Joseph P. Tracy 1944-6-10 17475 Humboldt Eureka 30 Comment
  CAS-BOT-BC226526  Leptosiphon acicularis Doris K. Kildale 1926-4-25 1800 Humboldt Willow Creek Flat 152 Comment
  HSC96226  Leptosiphon bolanderi J. McIntire, S. Lyon 2005-6-24 16 Humboldt FS NF1 1375 Comment
  HSC96956  Leptosiphon bolanderi Ryoko Ito, Shauna McDonald 2007-6-11 5 Humboldt 14 mi. above 299, on FS Rd. NF1 1372 Comment
  UC176859  Lessingia nemaclada Joseph P. Tracy 1911-7-8 3445 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC249851  Lessingia nemaclada Joseph P. Tracy 1923-9-10 6546 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS20619  Lessingia nemaclada Joseph P. Tracy 1937-9-5 15681 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA54146  Lessingia nemaclada H. M. Pollard 1945-8-25 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon. Comment
  SEINET11810782  Lessingia nemaclada var. mendocina H. P. Chandler 1901-1 1503 Humboldt Klamath River, North Coast Ranges 427 Comment
  UCD134130  Leucanthemum vulgare H. E. Parks; S. T. Parks 1943-8-1 24257 Humboldt Spruce Cove, Trinidad. 60 Comment
  HSC48613  Leucanthemum vulgare Mark Flippo 1978-5-18 63 Humboldt Arcata, US 101 Comment
  HSC5363  Leucanthemum vulgare Paul Shields 1955-6-10 Humboldt Humboldt State University campus. Comment
  HSC67896  Leucanthemum vulgare J. P. Smith 1973-5-26 6806 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  CAS-BOT-BC444059  Lewisia cotyledon var. howellii Lincoln Constance; Reed C. Rollins 1942-5-12 2885 Humboldt Klamath-Siskiyou Region. Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 152 Comment
  UC673022  Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  CAS-BOT-BC283515  Leymus X vancouverensis Malcom A. Nobs; S. Galen Smith 1949-8-3 1204 Humboldt Salt marshes bordering Humboldt Bay, ca 2 miles N of Eureka Comment
  UCD64628  Leymus mollis Linda M. Barker 1976-6-1 1563 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET231011 Image available Ligusticum grayi A. Tiehm 1985-7-26 10005 Humboldt Santa Rosa Range seep at the head of Morey Creek E of Ridge crest at S end of range Comment
Read comments
Oct 28 2014
  HSC76428  Lilium bolanderi Denis Kearns 1981-7-6 87 Humboldt Near Mosquito Lake 1256 Comment
  HSC76436  Lilium bolanderi Denis Kearns 1981-7-6 437 Humboldt Near Mosquito Lake 1122 Comment
  UC177231  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC1198234  Lilium pardalinum Joseph P. Tracy 1926-6-1 7552 Humboldt Eureka Northern Coast Ranges (in garden) Comment
  HSC99049  Lilium pardalinum subsp. pardalinum Cara Witte 2008-7-25 932 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1.5 mile north of intersection with Forest Service Road 5N39. 1473 Comment
  HSC65215  Lilium pardalinum subsp. vollmeri T. Jimerson, J. Pageau, B. Marcot 1979-8-10 712 Humboldt Off trail 6E18 between Tish Tang Creek and tributary 1341 Comment
  JEPS99290  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt near Dinsmore (Van Duzen River) 730 Comment
  CAS-BOT-BC133009  Lilium washingtonianum subsp. purpurascens Miss. M. Meinecke 1926-5-30 s.n. Humboldt Orleans Bar, on Klamath R. Comment
  HSC97994  Lilium washingtonianum subsp. purpurascens Cara Witte 2007-7-9 460 Humboldt Forest Service Road 4N32. 1.25 miles south of intersection with 4N32E. 1430 Comment
  JEPS19592  Limnanthes douglasii Lincoln Constance 1934-5-29 721 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  BLMAR734  Limnanthes douglasii subsp. nivea Jennifer Wheeler 2015-4-28 734 Humboldt Larabee Butte, Roadside pasture at Butte Creek Access Rd 722 Comment
  JEPS58168  Linanthus androsaceus Joseph P. Tracy 1940-5-17 16553 Humboldt Larrabee Valley 731 Comment
  UC1222731  Linanthus androsaceus Joseph P. Tracy 1950-6-15 18817 Humboldt 7 mi n Harris (at Huestis Rock, ne side of Mail Ridge); Mail Ridge, Huestis Rock Comment
  UC1198546  Linanthus bolanderi Joseph P. Tracy 1908-6 2819 Humboldt nw slope Buck Mountain; Northern Coast Ranges 914 Comment
  UC23540  Linanthus filipes Harley P. Chandler Jun 1901 1309 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC908619  Linanthus nuttallii subsp. nuttallii Joseph P. Tracy 1935-6-23 13968 Humboldt French Camp Ridge 1066 Comment
  HSC12370  Linum bienne Steve Dorei 1970-10-9 99 Humboldt Humboldt State College Campus near Union St., just S of the fish hatchery. Comment
  HSC15824  Linum bienne T. M. Mingo May 1965 Humboldt E of parking area at College cove. Comment
  HSC39788  Linum bienne Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near airport Comment
  HSC63066  Linum bienne David Wheeler 1979-5-23 135 Humboldt Humboldt State University campus by the Plant Operations yard. Comment
  JEPS19999  Lipocarpha micrantha Joseph P. Tracy 1931-9-7 9650 A Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  SEINET13953004 Image available Lithocarpus densiflorus J. Sandborg, F. Sandborg 1968-1 58 Humboldt Bluff Creek near Notice Creek 792 Comment
  HSC20225  Lithophragma affine D. E. Anderson 1963-5-19 2468 Humboldt Kneeland Area Comment
  UC1196494  Lithophragma campanulatum Joseph P. Tracy 1932-7-18 10700 Humboldt head of Brett Hole Trinity Summit; Klamath Mountains, , head of Brett Hole 1828 Comment
  HSC40822  Lithophragma campanulatum Thomas W. Nelson, Jane P. Nelson 1976-6-22 2850 Humboldt S of spring along rd. to Goat Hill 1646 Comment
  UC1199424  Logfia gallica Joseph P. Tracy 1936-8-23 15165 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  HSC77904  Logfia gallica L. P. Janeway, Paul Wilson 1984-5-25 826 Humboldt On the N Spit of Humboldt Bay; on BLM lands near the Coast Guard Station 5 Comment
  UC180203  Logfia gallica Joeseph P. Tracy 1914-5-14 4467 Humboldt Fort Seward 121 Comment
  UC50708  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6112 B Humboldt Arcata; Russ Ranch, North-Western California Comment
  HSC10302  Lolium perenne John Warner Hosking 1968-6-7 Humboldt HSC Campus, Arcata. Comment
  HSC10312  Lolium perenne N. R. Waite 1965-5-19 43 Humboldt W edge of Humboldt State University campus. Comment
  HSC40251  Lolium perenne Linda M. Barker 1976-7-5 1646 Humboldt 3 mi. W of Arcata. Comment
  HSC72637  Lolium perenne J. P. Smith 1977-7-3 9246 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  HSC56077  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-31 11756 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC74029  Lomatium macrocarpum Gail Newton 1980-7-22 1681 Humboldt Near Devils Backbone 1554 Comment
  HSC82036  Lomatium macrocarpum Thomas W. Nelson, James Nelson 1980-6-10 5404 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  HSC44440  Lomatium tracyi Barbara Kelly 1978-5-1 590 Humboldt 1/4 mi. from Horse Mtn., road 1/2 mi. below turnoff to summit, near end of unused gravel road Comment
  UC647476 Image available Lomatium tracyi Joseph P. Tracy 1933-7-25 12895 Humboldt Grouse Mountain. 1524 Comment
  HSC38861  Lomatium utriculatum J. P. Smith, J. O. Sawyer 1973-5-12 6678 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  UC906652  Lomatium utriculatum Joseph P. Tracy 1947-6-8 17707 Humboldt 5 mi. e. Carlotta (open flat by old Strong's District School House) 45 Comment
  HSC99456  Lonicera conjugialis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 108 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
  UC602569  Lonicera hispidula var. vacillans Joseph P. Tracy 1928-7-1 8479 Humboldt Willow Creek Trinity River Valley 152 Comment
  POM72393  Lonicera involucrata P. A. Munz 1925-6-21 9893 Humboldt Clam Beach, N of Eureka. Comment
  CHSC31282  Lonicera involucrata var. ledebourii Mark Stopher 1980-4-11 47 Humboldt Occasional in brushy areas along Elk River. 1 Comment
  CHSC68491  Lonicera involucrata var. ledebourii Vernon H. Oswald 1997-4-10 8319 Humboldt Road paralleling Hwy 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  HSC31644  Lonicera involucrata var. ledebourii Glenn McGourty 1974-6-1 78 Humboldt Comment
  HSC96477  Lotus corniculatus Gordon Leppig 1997-6-19 444 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC1223405  Lotus denticulatus Joseph P. Tracy 1934-6-14 13219 Humboldt Horse Mountain 1432 Comment
  UC168989  Lotus denticulatus Joseph P. Tracy 1912-7-26 3845 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CDA27196  Lotus denticulatus T. R. Haig 1960-6-16 Humboldt 1 mile west of Bridgeville. 0 Comment
  HSC98249  Lotus formosissimus H. E. Parks, S. T. Parks Jun 1952 24449 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC78921  Lotus humistratus Jimerson, Imper 1982-5-17 1441 Humboldt Near Ashfield Ridge. 822 Comment
  HSC45614  Lotus humistratus Diane L. Reed 1978-5-7 51 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC162804  Lotus humistratus Joseph P. Tracy 1906-7-4 2531 Humboldt near Hydesville; Northern Coast Region, Yager Creek 60 Comment
  UC15635  Lotus micranthus Harley P. Chandler May 1901 1136 Humboldt Humboldt Bay North Coast Ranges 3 Comment
  RSA246782  Lotus unifoliolatus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-7 35225 a Humboldt Samoa Peninsula. 3 Comment
  UC495720  Lotus yollabolliensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8945 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC1196933  Ludwigia palustris Joseph P. Tracy 1931-9-7 9665 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  HSC70698  Luina hypoleuca Gail Newton 1980-7-15 1554 Humboldt Near Sims Mtn. 1311 Comment
  RSA94105  Luina hypoleuca var. californica F. W. Peirson 1926-7-12 7026 Humboldt Humboldt County: Klamath River near Weitchpec Comment
  SD56747  Luina nardosmia Darley F. Howe 1963-5-26 3553 Humboldt 2.8 miles east of Orick on Bal Hill Road. 424 Comment
  CAS-BOT-BC196400  Lupinus arboreus Dziekanowski; Dunn; Bennett 1976-8-6 2501 Humboldt On the beach opposite McKinleyville 3 Comment
  HSC14778  Lupinus arboreus R. A. Rasp 1964-5-17 39 Humboldt 1/2 mi. N of Fairhaven on the Samoa pennisula Comment
  OBI19297  Lupinus arboreus P. C. Everett & E. Norland, E. Norland 1941-1-23 9854 Humboldt Flat in nursery. In sand & leafmold Comment
  RSA407034  Lupinus arboreus var. arboreus M. B. Dunkle 1936-8-18 4809 Humboldt Fortuna. Comment
  RSA256586  Lupinus bicolor Lon Hall 1975-5-24 382 Humboldt Samoa Dunes; Dunes from off Samoa Blvd. across from the boat landing; coastal strand. Comment
  RSA276277  Lupinus bicolor subsp. umbellatus Lyman D. Benson 1929-7-19 1860 Humboldt Dyerville to Mat[t]ole River. Comment
  JEPS48707  Lupinus latifolius var. latifolius Hilda W. Grinnell 1932-7-19 27 Humboldt eastern slope of So. Fork Mt. South Fork Mt.; eastern slope of So. Fork Mt. 1615 Comment
  UC1223288  Lupinus latifolius var. latifolius Joseph P. Tracy 1936-7-5 15036 Humboldt top Grouse Mountain; top of Grouse Mountain 1524 Comment
  UC184850  Lupinus luteolus Joseph P. Tracy 1911-7-10 3496 Humboldt Valley of Trinity River near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River nr Willow Cre 152 Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  HSC14860  Lupinus polyphyllus H. E. Parks, S. T. Parks May 1930 737 Humboldt Vicinity of Alton Comment
  SD42562  Lupinus polyphyllus Carl B. Wolf 1937-8-11 9144 Humboldt 0.5 mile east of Alton. 21 Comment
  POM92971  Lupinus polyphyllus subsp. polyphyllus L. R. Abrams 1922-6-25 8251 Humboldt Arcata Comment
  UC502999  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1932-7-14 10558 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  BLMAR802  Lupinus rivularis Madeleine Hassett 2017-6-5 802 Humboldt Lost Coast Headlands, Along Guthrie Creek trail 121 Comment
  RSA32847  Lupinus rivularis A. A. Heller 1923-7-8 13774 Humboldt Near Fortuna Comment
  UC1488744  Lupinus tracyi Marc Baker 1980-7-19 2987 Humboldt near Bret Hole 105 Comment
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Jul 7 2009
  SEINET10490278  Lupinus vallicola subsp. apricus Charles Piper Smith 1948-5-10 Smith 48254 Humboldt Hwy 101, Garberville, 0.3 mi N. Comment
  RSA167382  Lupinus variicolor Joseph P. Tracy 1938-7-11 16046 A Humboldt Brainards Point, sandy soil along highway between Eureka and Arcata. Comment
  SEINET12154788  Lupinus variicolor J. P. Tracy 1938-1 16046 A Humboldt Brainards Point, betw Eureka and Arcata Comment
  HSC56454  Luzula comosa Griswold, Butler 1979-7-12 7231 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC2978  Luzula comosa Harley P. Chandler June, 1901 1312 A Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 304 Comment
  UC964789  Luzula comosa var. laxa Harold E. Parks and Joseph P. Tracy 1947-6-26 11643 Humboldt McKay Camp, South Fork Mt. 1676 Comment
  UC1152125  Luzula parviflora Joseph P. Tracy 1930-7-17 8973 Humboldt near McKay camp; South Fork Mountain, near McKay Camp 1676 Comment
  SBBG56351  Lycopodium clavatum H. E. and W. K. Parks 1932-7-30 1132 Humboldt Camp 21, Hammond Lumber Co, Trinidad 152 Comment
  CDA42448  Lycopodium clavatum Gordon Leppig 2004-2-3 2130 Humboldt The Pacific Lumber Company land, northeast edge of THP 1-00-032 HUM, Unit 1. Comment
  SEINET7838508 Image available Lycopodium clavatum Unknown Humboldt "camp 21", Hammond Lumber Compant, Trinidad 152 Comment
  LA31994  Lycopus uniflorus H. E. Parks; Joseph P. Tracy 1924-8-3 6765 Humboldt Big Lagoon 6 Comment
  UC1191231  Lysichiton americanus Malcolm A. Nobs and S. Galen Smith 1949-8-3 1183 Humboldt southern outskirts of Eureka Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  SEINET11261198  Lythrum hyssopifolia Rick Lundquist 1979-5-18 100 Humboldt Arcata South Quadrangle. South G Street ca 1 mile south of Samoa Boulevard.; 0 0 Comment
  HSC15936  Lythrum hyssopifolia D. E. Anderson 1961-9-2 1761 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  HSC1797  Lythrum hyssopifolia William J. Ferlatte, B. D. Rogers 1966-8-15 3132 Humboldt North Bank Rd., 2 mi. N of Arcata Comment
  HSC49359  Lythrum hyssopifolia R. York 1979-5-18 302 Humboldt Along railroad tracks near the Arcata Redwood office along Hwy. 101 between Arcata and Eureka. Comment
  RSA0015856  Lythrum hyssopifolia J. B. Feudge 1923-7-22 168 Humboldt Fortuna. 15 Comment
  HSC40412  Madia elegans Thomas W. Nelson, Jane P. Nelson 1976-7-1 2894 Humboldt Along ridge N of Bear Creek 1463 Comment
  CAS-BOT-BC343016  Madia gracilis Joseph P. Tracy 1937-7-29 15596 Humboldt South Fork Mountain. West slope near top, at Hyampom Trail 1676 Comment
  HSC40032  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1976-6-22 2880 Humboldt At Goat Hill Lookout 1666 Comment
  JEPS40214  Madia gracilis Joseph P. Tracy 1927-7-4 8229 Humboldt at the crossing of Kneeland Road Northern Coast Ranges, Lawrence Creek 609 Comment
  CAS-BOT-BC343590  Madia sativa J. Clausen 1932-9-18 678 Humboldt 11 miles south of Ferndale on the road to Capetown Comment
  CAS-BOT-BC343595  Madia sativa Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  RSA21588  Mahonia aquifolium C. B. Wolf 1937-8-13 9233 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC31344  Maianthemum dilatatum Larry E. DeBuhr, G. D. Wallace 1972-5-22 606 Humboldt 25 mi. N of Arcata at the S end of Big Lagoon Comment
  UCD139044  Maianthemum dilatatum Linda M. Barker 1976-5-13 1484 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC97658  Maianthemum dilatatum Danny Pineda 2001-5-3 16 Humboldt 3 mi. E of Hwy. 299 on West End Rd. 61 Comment
  RSA347055  Maianthemum racemosum subsp. amplexicaule Lyman Benson 1928-7-12 494 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  CHSC85575  Maianthemum stellatum L. P. Janeway 2003-7-30 7939 Humboldt High North Coast Ranges. Cold Spring; 0.6 km north of the top of Titlow Hill. 1454 Comment
  RSA183522  Maianthemum stellatum D. E. Anderson 1965-5-8 3630 Humboldt 0.6 miles west of bridge over North Fork of Mad River, along highway 299. Comment
  HSC41005  Malacothrix floccifera J. O. Sawyer 1975-10-17 2716 Humboldt Along road to Brush Mountain Lookout 1189 Comment
  CAS-BOT-BC140134  Malus fusca C. B. Wolf 1930-10-26 1766 Humboldt So. edge of Big Lagoon near the Redwood Highway Bridge 3 Comment
  UC484032  Malus fusca C. B. Wolf 1930-10-26 Humboldt s edge Big Lagoon (near the Redwood Highway) 3 Comment
  SDSU5797  Marah oregana D. F. Howe 1961-8-1 3116 Humboldt 3.3 miles north of Trinidad on #101. Comment
  UC1197775  Marah oregana Joseph P. Tracy 1923-6-20 6313 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC1198476  Marah oregana Joseph P. Tracy 1927-6-8 8109 Humboldt Trinidad Northern Coast Ranges 60 Comment
  POM174059  Matricaria occidentalis Joseph P. Tracy 1918-6-16 4955 Humboldt Northern Coast Ranges: Eureka; old logging camp 0 Comment
  HSC14985  Medicago polymorpha N. R. Waite 1965-5-19 38 Humboldt W edge of Humboldt State University campus. Comment
  HSC15527  Medicago polymorpha J. Lackey 1971-3-28 10 Humboldt 3 mi. S of Cape Mendocino on Capetown Rd. Comment
  HSC45093  Medicago polymorpha R. Sutherland 1978-5-16 4 .16578 Humboldt Redwood Creek 143 Comment
  SEINET7296138 Image available Melica altissima Joseph P. Tracy 1937-1 15549 Humboldt Trinity Summit; On Ridge 2 miles east of Grove's Prairie. 1524 Comment
  CAS-BOT-BC271172  Melica aristata Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  RSA10132  Melica californica Joseph P. Tracy 1927-5-14 7999 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  UC1145137  Melica californica Joseph P. Tracy 1938-6-9 15886 Humboldt 2 mi nw Harris (Mail Ridge) 914 Comment
  UC34137  Melica californica Joseph Burtt Davy 1899-6-8 5343 Humboldt Bells Springs Comment
  JEPS71244  Melica harfordii W. L. Jepson 1936-8-8 17860 Humboldt Richardson Grove; South Fork Eel River Comment
  SEINET200110 Image available Melica stricta Joseph P. Tracy 1935-7-28 14333 Humboldt Trinity Summit head of Brett Hole 1830 Comment
  HSC97956  Melica subulata Cara Witte, Michael Scott 2007-6-22 345 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1494 Comment
  UCD88651  Melica subulata A. H. Murphy 1951-5-18 s.n. Humboldt K. Roscoe Ranch, Upper Mattole. Comment
  UC1222472  Melilotus albus Joseph P. Tracy 1949-7-7 18336 Humboldt Blue Slide Van Duzen River 91 Comment
  HSC25761  Melilotus officinalis Jana Kattenhorn 1970-10-14 45 Humboldt Big Lagoon Comment
  HSC36045  Mentha pulegium Thomas W. Nelson 1975-9-24 2200 Humboldt Beside Indianola Rd., ca. 1/2 mi. E of its junction with Hwy. 101 Comment
  HSC7850  Menziesia ferruginea subsp. ferruginea F. Morrell 1949-4-22 11 Humboldt Back Humboldt State University fish hatchery Comment
  HSC70398  Micropus californicus var. californicus M. A. Baker 1980-6-7 1838 Humboldt Near Ammon Creek 732 Comment
  CAS-BOT-BC322621  Microseris Milo S. Baker 1927-8-21 2488 a Humboldt Near Baldt Mt. 914 Comment
  SEINET11601912 Image available Microseris borealis K. L. Chambers 1957-8-31 1225 Humboldt Lake Prairie, on road from Bald Mt. to Show Camp, ca. 9 miles S of Ranger Station. In sphagnum bog SE end of the lake Comment
  CAS-BOT-BC349177  Microseris elegans K. L. Chambers 1969-5-25 2924 Humboldt On road to Harris 5.2 mi. E of the freeway overpass at Garberville Comment
  CAS-BOT-BC322682  Microseris laciniata K. L. Chambers 1969-5-26 2932 Humboldt Weitchpec, 0.8 mile west of Highway 96 on the way to the old school-house Comment
  CAS-BOT-BC322683  Microseris laciniata K. L. Chambers 1969-5-25 2921 Humboldt On road to Harris about 1 mile east of the freeway overpass at Garberville Comment
  UC1223195  Microseris laciniata subsp. laciniata Joseph P. Tracy 1942-6-15 17152 Humboldt 1/2 mi ne Garberville (on the road to Harris) 304 Comment
  HSC32274  Microseris nutans D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5628 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  SEINET200379  Microsteris gracilis J. P. Tracy 1930-5-4 8692 Humboldt Larrabee Valley 701 Comment
  HSC17187  Microsteris gracilis Elrid H. Spinas 1948-5-15 26 Humboldt Along rd. to Gouse Mtn. Lookout, 1 mi. from Hwy. 299 Comment
  HSC20685  Mimulus aurantiacus var. aurantiacus Steve Dorei 1970-10-31 132 Humboldt Scotia bluff area, N side of railroad tracks. Comment
  HSC26881  Mimulus aurantiacus var. aurantiacus Clifton Raymond Chesbrough 1973-6-19 88 Humboldt 0.5 mi. S of Trinidad along the coast Comment
  UC582444  Mimulus aurantiacus var. aurantiacus Joseph P. Tracy 1934-6-19 13235 Humboldt Carlotta 60 Comment
  UCSB15934  Mimulus dentatus Breedlove, Dennis 1962-6-8 Humboldt along U.S. Highway 101; 8 miles north of Orick 60 Comment
  UC1196791  Mimulus douglasii Joseph P. Tracy 1922-5-29 6079 Humboldt head South Yager Creek; Northern Coast Ranges 762 Comment
  JEPS86884  Mimulus guttatus David M. Thompson 1986-3-26 856 Humboldt 100 ft s Siskiyou Co. line (along Hwy 96, Somes Bar, at confluence of rivers); Klamath River, Salmon River 61 Comment
  UC446440  Mimulus guttatus P. E. Goddard 1906-6 678 Humboldt Lasseck Pk. Comment
  UC582700  Mimulus guttatus Joseph P. Tracy 1932-7-16 10612 Humboldt Corral Prairie Trinity Summit 1584 Comment
  RSA60480  Mimulus guttatus John H. Thomas 1949-6-12 896 Humboldt Along road between Orick and Martin's Ferry. 15.5 miles west of Martin's Ferry. 762 Comment
  JEPS10790  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  UC147880  Mimulus inodorus Joseph P. Tracy 1908-6 2697 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC444806  Mimulus kelloggii Mrs. M. H. Manning 1901-5-26 Humboldt near Hupa; Hupa Valley Comment
  UC1196796  Mimulus layneae Joseph P. Tracy 1939-7-23 16531 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC32564  Mimulus moschatus Thomas W. Nelson 1973-9-3 1119 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC33170  Mimulus moschatus Thomas W. Nelson 1973-8-19 1110 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC55736  Mimulus moschatus G. L. Clifton, Griswold 1979-7-26 10233 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC76046  Mimulus moschatus Overton, Butler 1979-8-2 12559 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC98844  Mimulus moschatus Cara Witte 2008-7-11 876 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  HSC20782  Mimulus moschatus W. D. Stevens 1967-7-22 49 Humboldt Above the dirt road from old Hwy. 101 to the top of N bank of Mad River Comment
  HSC44829  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3598 Humboldt Margin of pond above Alder Springs 1585 Comment
  UC582710  Mimulus nasutus Joseph P. Tracy 1933-5-20 12252 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  HSC12793  Mimulus pilosus Jana Kattenhorn 1970-10-28 149 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  JEPS10598  Mimulus pilosus W. L. Jepson 1936-8-17 17937 Humboldt near Arcata; Mad River Comment
  HSC56037  Mimulus primuloides var. linearifolius G. L. Clifton, Griswold 1979-7-31 11602 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC48863  Mimulus pulsiferae Brad Klipfel 1973-6-10 56 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1103333  Mimulus pulsiferae Joseph P. Tracy 1933-7-25 12834 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  SEINET6904196  Minuartia californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC275482  Minuartia cismontana Joseph P. Tracy 1925-5-30 7040 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  HSC4054  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC67388  Minuartia douglasii Thomas W. Nelson, James Nelson 1980-6-10 5413 Humboldt Along Swayback Ridge Rd., 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  BLMAR422  Minuartia douglasii Jennifer Wheeler May, 2007 422 Humboldt King range, Mill Creek, 914 Comment
  UC161043  Minuartia pusilla Joseph P. Tracy 1910-4-24 3130 Humboldt Humboldt Bay Northern Coast Region (sand dunes at ocean beach) Comment
  JEPS43803  Mitella ovalis Lincoln Constance 1934-6-15 892 Humboldt Grasshopper Peak South Fork Eel River, Bull Creek Region (summit) 975 Comment
  CAS-BOT-BC433029  Mitella ovalis Doris K. Kildale 1927-6-25 3577 Humboldt Fearren's Ranch between Thorn & Shelter Cove Comment
  CAS-BOT-BC433067  Mitella trifida J. H. Thomas 1949-6-13 911 A Humboldt Between Le Perron Flat and Whitey's Peak, along trail. East of town of Orleans. 1371 Comment
  HSC75445  Mitella trifida J. O. Sawyer 1980-7-18 3602 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS49672  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC36497  Moehringia macrophylla Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1894 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC72792  Moehringia macrophylla M. A. Baker 1980-6-16 1931 Humboldt Near Monks Camp 109 Comment
  UC1191371  Mollugo verticillata Malcolm A. Nobs, S. Galen Smith 1949-8-11 1339 Humboldt eastern shore of Stone Lagoon; Stone Lagoo Comment
  HSC14275  Monardella odoratissima Doris K. Kildale 1927-7-22 3814 Humboldt Lasseck's Peak Comment
  SDSU7320  Monardella odoratissima Harvey 1939-7-16 2428 Humboldt us 101 Comment
  CAS-BOT-BC221969  Monardella odoratissima subsp. glauca Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  SEINET4173659 Image available Monardella villosa Joseph P. Tracy 1939-8-5 16381 Humboldt Dinsmore's Comment
  RSA249710  Monotropa hypopitys R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35132 a Humboldt Wailaki Recreation Site. 610 Comment
  HSC97469  Montia C. Witte 2007-5-21 53 Humboldt Board Camp Mountain. Near intersection of Forest Service Road 4N38 with National Forest 1. 1394 Comment
  CAS-BOT-BC444804  Montia diffusa Harley P. Chandler 1901-5-1 1271 Humboldt North Coast Ranges. Redwood Belt 152 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
  CAS-BOT-BC444832  Montia fontana James Payne Smith, Jr. 1976-2-21 8507 Humboldt Tish Tang Campground Comment
  CAS-BOT-BC445165  Montia parvifolia L. R. Abrams; R. Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon south of Orick Comment
  RSA87679  Montia parvifolia L. R. Abrams, Rimo Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon S of Quick Comment
  CAS-BOT-BC445160  Montia parvifolia Henry M. Pollard 1947-8-9 s.n. Humboldt South river road, south of Orleans Comment
  HSC62915  Morella californica J. M. DiTomaso 1979-4-1 835 Humboldt 3 mi. S of Arcata on Samoa Rd. Comment
  CAS-BOT-BC260571  Muhlenbergia filiformis Joseph P. Tracy 1930-7-16 8920 Humboldt South Fork Mountain: at McKay Camp 1676 Comment
  CAS-BOT-BC275347  Muhlenbergia mexicana Henry M. Pollard 1947-8-19 s.n. Humboldt Wilson Creek, near Orleans Comment
  RSA239703  Myrica californica Larry E. DeBuhr 1973-4-23 988 b Humboldt Richardson Grove Redwood State Park. Comment
  JEPS109582  Myriophyllum hippuroides Dean W. Taylor 2002-9-12 18342 Humboldt Lake Prairie, remnant of the original bog vegetation on the eastern end of the lake 1097 Comment
  CAS-BOT-BC515983  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  HSC53978  Navarretia capillaris Griswold, Butler 1979-7-11 7052 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC1197894  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1933-8-30 13055 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  BLMAR163  Navarretia mellita Donald Hazlett 1994-6-7 163 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC81494  Navarretia mellita Thomas W. Nelson, Jane P. Nelson 1980-8-12 6235 Humboldt Logging roads S of Lundbar Hills 61 Comment
  UC133643  Navarretia squarrosa J. P. Tracy 1909-7-18 3019 Humboldt Ocean Beach at Samoa Samoa Comment
  HSC13590  Nemophila menziesii Elrid H. Spinas 1948-5-15 4 Humboldt Horse Mtn. Comment
  UC1239741  Nemophila menziesii Joseph P. Tracy 1938-5-1 15729 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  RSA244978  Nemophila menziesii var. atomaria D. E. Anderson 1965-4-24 3532 Humboldt Along Titlow Hill Road. Comment
  BLMAR494  Nemophila parviflora Jennifer Wheeler 2009-4-30 494 Humboldt King range, Hidden Valley trail; trail start Comment
  UC1239746  Nemophila parviflora Joseph P. Tracy 1906-4-15 2409 Humboldt near Anderson's Ranch (Bald Mt., region about Humboldt Bay, Northern Coast Region); Northern Coast Region, Humboldt Bay region, Bald Mt. 0 Comment
  BLMAR172  Nemophila pedunculata Donald Hazlett 1994-6-7 172 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  JEPS12383  Nicotiana quadrivalvis Joseph P. Tracy 1916-9-5 4764 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  CDA17340  Noccaea fendleri subsp. californica P. Haggard 2004-8-15 PDR 1285929 Humboldt North Coast Ranges; Friday Ridge Rd, Willow Creek. 0 Comment
  UCD110194  Notholithocarpus densiflorus S. P. Lynch 1975-6-9 1371 Humboldt ca. 20.4 mi. E of Arcata on Hwy. 299, heading towards Willow Creek. Comment
  HSC62976  Nuphar polysepala David Wheeler 1979-5-18 117 Humboldt Fieldbrook Elementary School, behind the baseball field Comment
  UC203964  Nuttallanthus texanus J. P. Tracy 1918-5-5 4921 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC142251  Oemleria cerasiformis C. Hart Merriam 1918-8-11 s.n. Humboldt Blue Lake Comment
  UC916667  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt 3 mi n Blocksburg; Larrabee Creek 457 Comment
  CHSC70153  Oenothera glazioviana David K. Imper 1987-7-14 Humboldt South of Trinidad, waste area behind Matson home, just E. of US 101 near Moonstone Beach Exit. Comment
  HSC92702  Oenothera wolfii D. K. Imper 1986-9-1 Humboldt 1 mi. S of Clam Beach exit, Hwy. 101, 6 mi. S of Trinidad 12 Comment
  JEPS14225  Orogenia fusiformis Joseph P. Tracy 1932-7-15 10595 Humboldt ridges e. of Corral Prairie Trinity Summit 1828 Comment
  RSA0083228  Orthilia secunda C. B. Wolf 1937-8-13 9264 Humboldt North Coast Range, 12 mi. E. of Hoopa Valley on New Road toward Trinity Summit. 1677 Comment
  HSC102065  Orthocarpus imbricatus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 967 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  JEPS14168  Osmorhiza berteroi Lincoln Constance 1934-5-26 649 Humboldt near Founder's Tree; South Fork Eel River, Bull Creek Region, North Dyerville, Fl 48 Comment
  UC314578  Osmorhiza occidentalis Joseph P. Tracy 1926-5-15 7474 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC59400  Osmorhiza purpurea Rick Lundquist 1979-5-2 55 Humboldt SE corner 7th & Union Streets 24 Comment
  HSC16719  Oxalis articulata subsp. rubra D. E. Anderson 1961-9-22 1827 Humboldt Comment
  HSC104035  Oxalis oregana E. R. Fyer 2015-3-19 7 Humboldt Six Rivers National Forest; along the East Fork of Willow Creek, off Hwy. 299 484 Comment
  JEPS43138  Oxalis oregana W. L. Jepson 1934-5-7 16696 Humboldt Bull Creek Comment
  RSA24188  Oxalis oregana Carl B. Wolf 1941-3-2 9986 Humboldt N Coast Range. Bull Creek-Petrolia Road. 12 miles W of Redwood Highway. 457 Comment
  HSC16709  Oxalis oregana D. E. Anderson 1963-2-9 2366 Humboldt S of Kneeland on Rd. to Brigeville Comment
  HSC83368  Oxalis oregana R. W. Becking 1987-3-23 Humboldt Arcata, HSU campus, by steps behind NRS building Comment
  UCSB18740  Oxalis oregana Jensen, Karen 1965-4-15 Humboldt 0.2 miles W of U.S. Highway 101, at Miranda turnoff 91 Comment
  HSC48829  Oxalis trilliifolia Brad Klipfel 1973-7-31 254 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC318152  Packera bolanderi var. bolanderi E. Hawver 1915-6-1 s.n. Humboldt near Carlotta Comment
  CAS-BOT-BC318156  Packera bolanderi var. bolanderi Doris K. Kildale 1927-8-13 3856 Humboldt Across the Van Duzon River from Swimmer's Delight near Sting's Station Comment
  HSC94174  Parapholis incurva Gordon Leppig, Sylvia Leppig 2000-5-29 1385 Humboldt Trinidad Harbor. 4 Comment
  RSA624797  Parapholis strigosa Gordon Leppig 1998-6-6 801 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary, Butchers Slough about 50m w of Interpretive Center 1 Comment
  HSC56113  Paxistima myrsinites Gilbert Muth 1979-8-1 11880 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  SJSU2547  Pectiantia ovalis H. L. Buckalew 1962-6-28 Humboldt Prairie Cr Redwoods State Park Comment
  HSC28196  Pedicularis densiflora Thomas W. Nelson 1971-4-4 368 Humboldt Bridgeville Comment
  JEPS3357  Pedicularis racemosa Joseph P. Tracy 1930-7-16 8917 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  SEINET200794 Image available Pellaea mucronata subsp. mucronata J. P. Tracy 1933-6-13 12561 Humboldt Near summit on rd W from Hoopa to Bair's Hoopa Mt 1067 Comment
  HSC99467  Penstemon anguineus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 121 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA425609  Penstemon anguineus H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  HSC56218  Penstemon deustus G. L. Clifton, Terry Griswold 1979-8-2 12241 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  RSA33403  Penstemon heterophyllus subsp. purdyi Doris K. Kildale 1925-5-30 860 Humboldt Bucilana Bridge. Comment
  CDA41855  Penstemon laetus subsp. sagittatus Kaylea Eickhoff, Cara M. Witte 2005-6-15 14 Humboldt 14.1 miles south of Highway 299 on NF1, 0.25 mile northeast of Grouse Mountain. Comment
  UC585630  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 A Humboldt on ridge 2 mi e Grove's Prairie; Trinity summit, e of Grove's Prairie 1524 Comment
  HSC100914  Penstemon menziesii Carl C. Marshall Jun 1886 305 Humboldt Trail E of Hoopa. Comment
  JEPS5714  Penstemon newberryi var. berryi W. L. Jepson 1902-7-16 2107 Humboldt Trinity Summit Comment
  NY627429  Penstemon newberryi var. berryi J. P. Tracy 1930-7-16 8953 Humboldt South Fork Mountain: along summit near Blake lookout 1706.9 Comment
  CDA41849  Penstemon parvulus Peter Haggard 1993-7-22 PDR# 1061613 Humboldt Bair Road southwest of Hoopa. 0 Comment
  JEPS7917  Penstemon rattanii Joseph P. Tracy 1906-6-10 2480 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  NY130492  Penstemon rattanii V. Rattan 06 1879 58 Humboldt 792.5 Comment
  HSC1077  Pentagramma triangularis D. E. Anderson 1965-11-21 4170 Humboldt 3-4 mi. S of Weitchpec along rd. to Hoopa Comment
  HSC37502  Pentagramma triangularis J. D. Ackerman 1974-5-25 264 Humboldt 0.25 mi. S of Lufenholtz Beach off Scenic Dr. between Moonstone and Trinidad Comment
  HSC35701  Perideridia kelloggii Thomas W. Nelson, B. Reinhardt 1975-7-30 2116 Humboldt E of Pilot Rock Comment
  RSA41945  Perideridia kelloggii H. C. Cantelow 1936-8-28 1723 Humboldt 4 1/2 miles SW of Dinsmore, Fortuna, bluff road Comment
  UC1222743  Perideridia oregana Joseph P. Tracy 1949-7-19 18388 Humboldt 1/4 mi se Clear Lake (top of ridge); Grouse Mountain 1524 Comment
  CAS-BOT-BC419195  Persicaria maculosa Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  HSC12557  Persicaria maculosa D. La Conte 1970-8-11 15 Humboldt Along side of creek intersecting Campton Rd. Comment
  HSC17527  Persicaria maculosa Lincoln Constance 1934-6-12 861 Humboldt N bank of S Fork Eel River, Bull Creek Rd. Comment
  UC1222903  Phacelia californica Joseph P. Tracy 1950-6-8 18763 Humboldt e slope from summit Domingo Hill (near Petrolia) Comment
  JEPS1545  Phacelia corymbosa Joseph P. Tracy 1926-6-20 7624 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  JEPS57406  Phacelia corymbosa L. R. Heckard 1968-7-5 1986 Humboldt Mail Ridge rd 4.3 mi n Harris road Comment
  HSC60087  Phacelia heterophylla M. A. Baker 1978-5-6 478 Humboldt 2 km. S of Weitchpec Comment
  POM127633  Phacelia heterophylla subsp. virgata H. P. Chandler 1901-05 1257 Humboldt Redwood belt. 152 Comment
  HSC75450  Phacelia mutabilis J. O. Sawyer 1980-7-18 3587 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC76558  Philadelphus lewisii Carl D. Duncan 1920-9-27 s.n. Humboldt Supply Creek Canyon near Hoopa Comment
  CAS-BOT-BC76565  Philadelphus lewisii Doris K. Kildale 1927-7-3 3634 Humboldt Willow Creek Flat 152 Comment
  SEINET202724  Philadelphus lewisii subsp. californicus Joseph P. Tracy 1950-6-18 18853 Humboldt Along Redwood Creek, two miles west of Briceland. Comment
  HSC58537  Phleum pratense Overton, Butler 1979-7-23 9461 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  HSC99494  Phleum pratense K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 154 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
  UC34068  Phleum pratense J. P. Tracy 1900-7-12 896 Humboldt immediate vicinity Eureka 0 Comment
  HSC24107  Phlox adsurgens J. O. Sawyer 1970-6-27 2305 Humboldt Site 318. 1494 Comment
  HSC41243  Phlox diffusa Brad Klipfel 1974-5-27 385 Humboldt Horse Mtn. Comment
  SEINET3290581 Image available Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Trinidad, Spruce Cove Comment
  HSC35934  Physocarpus capitatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2027 Humboldt French Camp, Bald Hills. Comment
  SEINET4090988  Physocarpus capitatus O. M. Clark 1932-1 5313 Humboldt South Eureka. Comment
  CAS-BOT-BC73445  Picea sitchensis Carl B. Wolf 1930-10-28 1037 Humboldt 5 miles south of Ferndale on road to Petrolia. 152 Comment
  HSC40943  Picea sitchensis Linda M. Barker 1976-4-13 1376 Humboldt 3 mi. W of Arcata Comment
  NY34413  Picea sitchensis E. Fritz 1935-8-16 8154 Humboldt Comment
  NY34417  Picea sitchensis A. Kellogg 1868-1 935 Humboldt Comment
  SD41319  Picea sitchensis Edith A. Purer 1932-7-26 4127 Humboldt Near Samoa Comment
  CAS-BOT-BC78290  Pinus attenuata Carl B. Wolf 1937-8-13 9240 Humboldt North Coast Range, 8 mi. E. of Hoopa Valley on new road towards Trinity Summit 1219 Comment
  POM21765  Pinus contorta var. contorta L. R. Abrams 1916-7-18 6074 Humboldt Arcata to Trinidad. Comment
  HSC98866  Pinus ponderosa var. ponderosa Cara Witte 2008-7-1 787 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  CDA13740  Piperia transversa G. F. Hrusa, D. Willis non T. D. Wilfred 1997-8-19 14089 Humboldt Trinity Mountains; above Van Duzen River on N side of Hwy 36 at Humboldt Co. MP 21.7, W of Bridgeville. Comment
Read comments
Dec 20 2007
  UC615024  Piperia unalascensis Beryl O. Schreiber 1934-6-6 1146 Humboldt 5 mi e Gray's Resort (road to Redding); Redwood Creek Comment
  UC16264  Pisum sativum Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5607 Humboldt Blue Lakes Comment
  HSC65473  Pityopus californicus Gail Newton 1980-6-24 545 Humboldt Near Ladder Rock 69 Comment
  CAS-BOT-BC227992  Plagiobothrys Doris Kildale Gillespie 1931-6-7 10647 Humboldt South Fork Mountain, Blake Lookout 1726 Comment
  HSC70400  Plagiobothrys bracteatus M. A. Baker 1980-6-7 1845 Humboldt Near Ammon Creek 732 Comment
  UC1222229  Plagiobothrys bracteatus Joseph P. Tracy 1948-6-13 18031 Humboldt on Larrabee Creek Road around pool (halfway between Bridgeville and Blocksburg) Comment
  SD29277  Plagiobothrys nothofulvus Lincoln Constance 1934-5-23 617 Humboldt South Fork Eel River; southeast slope of mountain above Look Prairie. 366 Comment
  JEPS60991  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1933-5-20 12244 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 30 Comment
  UC1222207  Plagiobothrys scouleri Joseph P. Tracy 1946-5-19 17535 Humboldt near Ashfield; Kneeland Prairie 822 Comment
  HSC16824  Plantago erecta R. T. Forester 1963-4-30 14 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  UC585986  Plantago erecta Joseph P. Tracy 1932-5-10 9930 Humboldt Bear River Bridge Northern Coast Ranges 609 Comment
  HSC40307  Plantago lanceolata Linda M. Barker 1976-4-30 1401 Humboldt 3 mi. W of Arcata Comment
  HSC62991  Plantago lanceolata David Wheeler 1979-4-23 83 Humboldt N end of Heindon Rd. at turn-around Comment
  HSC99488  Plantago lanceolata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 147 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  HSC53952  Platanthera dilatata Griswold, Butler 1979-7-11 7002 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC55041  Platanthera dilatata var. leucostachys Gilbert Muth 1979-7-31 11506 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  RSA382868  Platanthera leucostachys Brad W. Klipfel 1973-7-31 255 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  UC1196422  Platanthera leucostachys Joseph P. Tracy 1937-7-25 15536 Humboldt head Little Hors-Linto Creek; Trinity Summit, head Little Hors-Linto Creek 1371 Comment
  SEINET3124150 Image available Platystemon californicus Joseph P. Tracy 1904-5-1 2047 Humboldt Region about Humboldt Bay, sandy field at Bucksport 0 Comment
  UC146076  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach Ocean Beach (Humboldt Bay); Northern Coast Region, , Ocean Beach Comment
  UC169079  Plectritis brachystemon Harley P. Chandler 1901-6-6 1414 Humboldt North Coast Ranges, Klamath River, Saint's Rest, (Nature's Rest) Nature's Rest; North Coast Ranges, Klamath River, Saint's Rest 304 Comment
  CHSC77469  Plectritis ciliosa subsp. insignis Vernon H. Oswald 2000-4-3 9913 Humboldt Samoa Road at the County Boat Ramp on the North Spit of Humboldt Bay. 4 Comment
  UC1239574  Plectritis congesta Joseph P. Tracy 1916-4-30 4680 Humboldt Northern Coast Ranges, around Humboldt Bay, Salmon Creek Valley Salmon Creek Valley; Northern Coast Ranges, Salmon Creek Valley 60 Comment
  UC176116  Plectritis congesta Joseph P. Tracy 1913-6-26 4348 Humboldt Northern Coast Ranges, Lower Foothills of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  HSC44410  Plectritis macrocera R. York 1978-5-6 162 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  HSC57302  Pleuropogon refractus W. C. Overton 1979-8-1 12344 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa 1341 Comment
  SEINET200750  Pneumonanthe calycosa Joseph P. Tracy 1939-8-16 16412 Humboldt Horse Mountain . 1402 Comment
  HSC10642  Poa bolanderi C. S. Chavez 1965-5-7 67 Humboldt Redwood forest behind H.S.C. campus. Comment
  UC1103189  Poa bulbosa Joseph P. Tracy 1938-7-4 15988 Humboldt Valley of S Yager Creek 762 Comment
  UC180497  Poa compressa Joseph P. Tracy 1913-7-20 4378 Humboldt at Berry Crossing Redwood Creek; Northern Coast Ranges 304 Comment
  UCD90834  Poa compressa Les Berry 1956-6-20 s.n. Humboldt Coyote Flat, Ft. Baker Ranch, east of Bridgeville. 914 Comment
  HSC10705  Poa douglasii S. J. Moore 1965-5-9 48 Humboldt Dry Lagoon State Park, near entrance. Comment
  CAS-BOT-BC255849  Poa kelloggii Joseph P. Tracy 1906-5-20 2463 Humboldt Near Eureka, region about Humboldt Bay 152 Comment
  RSA183517  Poa kelloggii H. S. Logsdon 1964-5-10 7 Humboldt 4.0 miles N.E. of Orick at Boye's Prairie Comment
  SEINET10660267  Poa kelloggii Harley P. Chandler Chandler 1183 Humboldt North Coast Ranges, California. 30 Comment
  HSC102626  Poa pratensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC73058  Poa pratensis M. A. Baker 1980-7-22 3110 Humboldt Near Grogan Hole. 1676 Comment
  UCD91813  Poa pratensis Linda M. Barker 1976-6-1 1567 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC1145121  Poa secunda subsp. secunda Joseph P. Tracy 1936-7-5 15042 Humboldt summit Grouse Mt 1642 Comment
  UCD90874  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5658 Humboldt Hoopa Summit. Comment
  UC1103188  Poa trivialis Joseph P. Tracy 1938-6-17 15948 Humboldt 1 mi e Cape Mendocino (Cape Ridge) 304 Comment
  HSC102948  Poa trivialis J. P. Smith Jun 2009 12601 Humboldt Arcata. Lawn weed Comment
  RSA152381  Poa trivialis Joseph P. Tracy 1950-6-8 18723 Humboldt Bear River Ridge 610 Comment
  JEPS62463  Pogogyne serpylloides Joseph P. Tracy 1921-6-12 5829 Humboldt Butler Valley 152 Comment
  UC153997  Pogogyne serpylloides Joseph P. Tracy 1908-6-7 2622 Humboldt at Butter Valley on Mad River 152 Comment
  CDA3403  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A Streets, Arcata. Comment
  HSC32032  Polycarpon tetraphyllum D. E. Anderson 1974-8-1 Humboldt 6th St. in Eureka Comment
  SEINET1004839  Polygala cornuta var. cornuta Joseph P. Tracy 1926-1 7744 Humboldt Trinity River Valley, Near the south fork 183 Comment
  UC672969  Polygonum davisiae Joseph P. Tracy Jul 16 1930-Jul 19 1930 9057 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  CAS-BOT-BC414466  Polygonum douglasii Doris K. Kildale 1925-8-17 1231 Humboldt Trinity Summit - Waterdog Lake 1828 Comment
  UCD100266  Polygonum douglasii Joseph P. Tracy 1947-8-24 17922 Humboldt Box Camp Trail, Trinity Summit. 1676 Comment
  JEPS50635  Polygonum lapathifolium W. L. Jepson 1921-8-7 9334 Humboldt Stone Lagoon Comment
  UC205473  Polygonum minimum Joseph P. Tracy 1919-9-18 5235 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  CAS-BOT-BC419824  Polygonum parryi Joseph P. Tracy 1930-7-6 8855 Humboldt Valley of South Yager Creek 762 Comment
  UC672941  Polygonum persicaria Joseph P. Tracy 1927-10-8 8387 Humboldt Prairie Creek Boyes Ranch 91 Comment
  HSC70409  Polypodium californicum M. A. Baker 1980-6-7 1832 Humboldt Near Ammon Creek 732 Comment
  SEINET204934 Image available Polypodium californicum C. O. Baker 4 Humboldt 2 miles south of Trinidad along old 101 highway 122 Comment
  HSC45835  Polypodium californicum M. A. Baker 1977-2-3 163 Humboldt West end of Lamphere Rd., less than 1 mi. from sand dunes Comment
  CAS-BOT-BC76843  Polypodium glycyrrhiza Carl D. Duncan 1920-9-22 s.n. Humboldt Supply Creek, Hoopa Comment
  UC404748  Polypodium glycyrrhiza H. E. Parks June 1924 2837 Humboldt Lawrence Creek Comment
  HSC35692  Polypodium scouleri Thomas W. Nelson 1975-1-16 1746 Humboldt E of HSU campus Comment
  RSA689967  Polypodium scouleri Charlotte M. Hoak 1931-7-15 s.n. Humboldt Below Big Lagoon Comment
  CAS-BOT-BC232957  Polypogon australis Peter Rubtzoff 1968-9-4 5959 Humboldt Goulds Bar, S Fork Eel River SE of Weott Comment
  SEINET200575 Image available Polypogon interruptus J. P. Tracy 1938-8-28 16137 Humboldt Trinidad coastal bluffs 0 Comment
  HSC10833  Polypogon maritimus J. P. Tracy 1933-7-20 12811 Humboldt Along Mad River, near Blue Lake. 15 Comment
  UC526769  Polypogon maritimus Joseph P. Tracy 1930-10-19 9236 Humboldt Eel River on gravel bars Alton to Fortuna; Eel River 15 Comment
  HSC26168  Polypogon monspeliensis J. P. Smith 1970-6-7 3798 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  UC1100381  Polypogon monspeliensis Malcolm A. Nobs and S. Galen Smith 1949-8-3 1176 Humboldt salt marshes around Fields Landing; around Fields Landing Comment
  UC34074  Polypogon monspeliensis J. P. Tracy 1900-7-4 893 Humboldt sand hills of Ocean Beach at Samoa (opp. Eureka); Ocean Beach Comment
  UC1440059  Polystichum Danin & H. G. Baker 1960-9-2 658 b Humboldt ca. 2 mi n Dyerville (along Ave. of Giants, High Rock on w side of Eel River); s side of Eel River Comment
  UC1440058  Polystichum californicum Danin & H. G. Baker 1960-8-13 597 Humboldt ca. 2 mi n Dyerville (High Rock, along Ave. of Giants, w side Eel River) Comment
  HSC99526  Polystichum lonchitis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 190 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1372 Comment
Read comments
May 14 2014
  HSC54569  Polystichum munitum Overton, Butler 1979-7-24 9597 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC89413  Polystichum munitum P. A. Daly 1986-3-12 73 Humboldt Trinidad Head, along trail 61 Comment
  SDSU1640  Polystichum munitum Harvey 1938-8-13 2251 Humboldt Redwood Park. Comment
  UC397299  Polystichum munitum Harley P. Chandler June, 1901 1316 Humboldt Hupa Indian Reservation; North Coast Ranges 152 Comment
  HSC91600  Polystichum munitum E. Mackey 1986-10-2 Humboldt Patrick's Point State Park by trail to Agate Beach Comment
  RSA66879  Polystichum munitum P. A. Munz 1951-7-15 16551 Humboldt Racoon Creek. 305 Comment
  UCSB29341  Polystichum munitum Phelps, M. 1972-3-20 Humboldt 1.5 miles from Gaberville along Old Briceland Rd., 0.5 miles N of roadside. 213 Comment
  RSA46732  Populus trichocarpa Doris K. Kildale 1927-5-15 3155 Humboldt Petrolia Comment
  UC249560  Populus trichocarpa Joseph P. Tracy 1922-10-8 6123 Humboldt Mad River at Blue Lake; Northern Coast Ranges, Mad River at Blue Lake 30 Comment
  UC13488  Potamogeton natans W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  UC1198265  Potamogeton natans Joseph P. Tracy 1917-5-30 4809 Humboldt near mouth of Little River; Northern Coast Ranges 6 Comment
  CAS-BOT-BC453909  Potamogeton pectinatus Joseph P. Tracy 1934-7-20 13462 Humboldt Big Lagoon 3 Comment
  UC1099821  Potamogeton pectinatus Malcolm A. Nobs, S. Galen Smith 1949-8-3 1162 a Humboldt 1 mi s of Fields Landing; Eel River Valley Comment
  CAS-BOT-BC454067  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  UC585622  Potentilla anserina subsp. pacifica Joseph P. Tracy 1934-7-30 13509 Humboldt along coast in front South End of Stone Lagoon (Dry Lagoon); , in front of South End Stone Lagoon 3 Comment
  UCD113692  Potentilla anserina subsp. pacifica Linda M. Barker 1976-6-1 1556 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC143071  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park 4 Comment
  HSC98883  Potentilla glandulosa subsp. reflexa Cara Witte 2007-7-19 550 Humboldt Forest Service Road 4N32. 1.5 miles east of intersection with 4N70. Grouse Mountain Lookout. 1547 Comment
  HSC44757  Potentilla gracilis Maralyn O'Meara 1972-6-8 82 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  CAS-BOT-BC158491  Potentilla gracilis var. gracilis Alice Eastwood; John Thomas Howell 1937-6-23 4849 Humboldt Kneeland Comment
  HSC54230  Prosartes hookeri Griswold, Butler 1979-7-12 7297 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC70643  Prosartes hookeri R. York 1980-5-18 561 Humboldt Near Black Mtn. 1006 Comment
  HSC73575  Prosartes hookeri Gail Newton 1980-7-14 1513 Humboldt Near Deadman Ridge 1097 Comment
  CAS-BOT-BC508640  Prosartes hookeri Doris K. Kildale 1926-7-22 2420 Humboldt Metropolitan, woods near Canyon Park Comment
  HSC45241  Prosartes hookeri Thomas W. Nelson, Jane P. Nelson 1977-7-1 3553 Humboldt Along Blanket Creek, N side of ridge between Bear and Blanket Creeks 1463 Comment
  HSC15466  Prosartes smithii J. F. Knezevich 1968-5-21 446 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  CAS-BOT-BC517505  Prosartes smithii L. R. Abrams 1927-9-1 12061 Humboldt Big Lagoon Comment
  CAS-BOT-BC517509  Prosartes smithii Victor Duran 1933-5-12 3413 Humboldt Dyerville, South Fork of Eel River Comment
  SEINET12044820  Prosartes smithii Unknown 1933-1 3413 Humboldt Dyerville, South Fork of Eel River Comment
  UCR179386  Prunella vulgaris Katherine Esau 1934-5-6 s.n. Humboldt Fort Seward 152 Comment
  HSC46018  Prunella vulgaris Catherine Chin 1978-8-5 96 Humboldt Arcata, side road on Spring St., between 16th and 17th Sts. Comment
  HSC69855  Prunella vulgaris R. Kalal 1980-8-3 93 Humboldt Parking area of Elk Head Comment
  UC577393  Prunella vulgaris var. lanceolata Joseph P. Tracy 1930-9-13 9183 Humboldt Jacoby Creek Valley 30 Comment
  UCLA85882  Prunella vulgaris var. lanceolata O. H. Kappler 1946-7-24 1371 Humboldt s of Humboldt Bay Loleta; s of Humboldt Bay Comment
  CAS-BOT-BC159977  Prunus emarginata Doris K. Kildale 1927-6-26 3600 Humboldt Big Lagoon Comment
  POM161041  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit 1829 Comment
  UC1198774  Prunus emarginata Joseph P. Tracy 1928-4-29 8420 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 60 Comment
  HSC40671  Prunus virginiana var. demissa Thomas W. Nelson, Jane P. Nelson 1976-7-1 2930 Humboldt Bench W of Lassic Park (Signal Peak) 1677 Comment
  UC1222309  Prunus virginiana var. demissa Joseph P. Tracy 1950-6-25 18881 Humboldt Buck Mountain, on the Burr Valley Road Buck Mountain; , Burr Valley Road 1066 Comment
  UC249636  Prunus virginiana var. demissa Joseph P. Tracy 1922-6-18 6096 Humboldt Head of South Yager Creek South Yager Creek; Northern Coast Ranges, South Yager Creek 762 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
  UC165750  Pseudognaphalium stramineum Joseph P. Tracy 1909-9-19 3089 Humboldt sand dunes of ocean beach at Humboldt Bay Humboldt Bay 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
  CAS-BOT-BC80120  Pseudotsuga menziesii Doris K. Kildale 1926-11-27 2840 Humboldt Alton Hill, old terrace above lower Van Duzen River Comment
  CAS-BOT-BC80122  Pseudotsuga menziesii Carl B. Wolf 1930-10-29 1785 Humboldt Old Coast Road 7 miles so. of Honeydew Post Office 304 Comment
  UC1222910  Psilocarphus oregonus Joseph P. Tracy 1946-5-30 17542 Humboldt 5 mi e Carlotta (by old Strong's District School House, Riverside Park nearby) 60 Comment
  CAS-BOT-BC361928  Psilocarphus tenellus C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CAS-BOT-BC361931  Psilocarphus tenellus Doris K. Kildale 1926-6-27 2205 Humboldt Laribee Valley 701 Comment
  OBI15564  Psilocarphus tenellus Joseph P. Tracy 2017-5-27 4783 Humboldt Northern Coast Ranges. Eureka 61 Comment
  HSC1160  Pteridium aquilinum var. pubescens Gene S. Van Horn 1962-5-25 27 Humboldt 200 ft. N of main house at 250 E 17th St., Arcata 61 Comment
  HSC38933  Pteridium aquilinum var. pubescens Linda M. Barker 1976-5-13 1480 Humboldt 3 mi. W of Arcata. Comment
  UCD39989  Pteridium aquilinum var. pubescens Rodney Gale Myatt 1971-9-21 1187 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  HSC1159  Pteridium aquilinum var. pubescens D. E. Anderson 1961-8-11 1728 Humboldt E of Humboldt State College campus. 30 Comment
  SEINET11722268  Pteridium aquilinum var. pubescens C. S. Kaut 2000-1 3 Humboldt Trinidad Comment
  SEINET200759  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-6-3 8600 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  CAS-BOT-BC460598  Pyrola aphylla Doris K. Kildale 1928-6-24 5290 Humboldt HorseMountain Comment
  RSA47165  Pyrola asarifolia subsp. bracteata Doris K. Kildale 1927-7-10 3730 Humboldt Gans Prairie, Bald Mountain Comment
  CAS-BOT-BC62674  Quercus chrysolepis Doris K. Kildale 1927-5-15 3303 Humboldt Petrolia Comment
  JEPS37484  Quercus chrysolepis W. L. Jepson 1903-6 2204 Humboldt Briceland, Expedition from Ukiah to Southern Humboldt Co., via the Blue Rock Ridge and return via Fort Bragg Briceland Comment
  UC1196530  Quercus chrysolepis Joseph P. Tracy 1935-7-14 14066 Humboldt ridge back of Clear Lake; North Coast Ranges, Grouse Mountain 1524 Comment
  UC478893  Quercus chrysolepis Marcus E. Jones, A. M. 1931-7-16 28845 Humboldt near Trinity River (Burnt Ranch) Comment
  UC54678  Quercus chrysolepis Harley P. Chandler Jun 1901 1435 Humboldt Klamath River North Coast Ranges 304 Comment
  RSA44460  Quercus chrysolepis var. nana H. M. Pollard 1947-9-1 s.n. Humboldt Somes Mt. near summit, Orleans region. Comment
  UC54686  Quercus garryana Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5854 Humboldt Trinity Summit, at lake near the top North Coast Ranges Comment
  HSC99009  Quercus kelloggii Cara Witte 2008-7-1 785 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  UCR32153  Quercus kelloggii David J. Keil 1983-7-1 17274 Humboldt North Coast Range, Bull Creek Flats [Mattole] Road, c. 13 mi. west of junction with US Hwy 101 Comment
  HSC72800  Quercus sadleriana Gail Newton 1980-6-17 219 Humboldt Near Onion Mtn. 1341 Comment
  OBI14233  Quercus sadleriana Carl B. Wolf 1937-8-13 9261 Humboldt North Coast Range, 12 mi E of Hoopa Valley on New road towards Trinity summit 1676 Comment
  CAS-BOT-BC104535  Quercus vacciniifolia Carl B. Wolf 1927-8-28 1173 Humboldt On grade 9 mi from Willow Creek, Lord Ellis Road to Blue Lake Comment
  CAS-BOT-BC104537  Quercus vacciniifolia Doris K. Kildale 1928-10-7 6747 Humboldt Willow Creek Canyon 7 miles from mouth Comment
  CAS-BOT-BC104539  Quercus vacciniifolia D. E. Breedlove 1961-7-4 647 Humboldt 7 miles W of Willow Creek on US 299 521 Comment
  UC275586  Quercus wislizeni Joseph P. Tracy 1923-10-14 6578 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UCD97349  Ranunculus K. Twitchell 1996-5-11 26 Humboldt Crannell. Coastal cliffs along old Highway 101 at Moonstone beach access. 36 Comment
  HSC73696  Ranunculus alismifolius var. hartwegii M. A. Baker 1980-7-19 2999 Humboldt Near Bret Hole. 1814 Comment
  HSC18117  Ranunculus aquatilis var. diffusus D. E. Anderson 1965-5-15 3712 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  CAS-BOT-BC378851  Ranunculus californicus var. californicus Kenneth Clark 1980-3-22 521 Humboldt on ridge of disturbed hillside above Dead Man's Gulch Comment
  HSC18131  Ranunculus californicus var. californicus F. B. Plett 1963-3-31 13 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC55312  Ranunculus flammula var. ovalis Griswold, Butler 1979-7-11 6988 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  RSA246723  Ranunculus flammula var. ovalis Robert F. Thorne 1965-8-9 35322 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC26638  Ranunculus lobbii Thomas W. Nelson 1971-5-31 447 Humboldt Vernal pond Comment
  HSC18154  Ranunculus muricatus J. L. Baker 1965-4-10 35 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  UC249650  Ranunculus occidentalis Joseph P. Tracy 1922-4-30 5988 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1196226  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5457 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  UCD96942  Ranunculus occidentalis R. N. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC18171  Ranunculus occidentalis var. occidentalis Elrid H. Spinas 1948-5-15 11 Humboldt Horse Mtn. Comment
  HSC55293  Ranunculus orthorhynchus Griswold, Butler 1979-7-10 6274 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UCD97062  Ranunculus orthorhynchus var. platyphyllus R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  POM87678  Ranunculus repens L. R. Abrams, Rimo Bacigalupi 1922-6-25 8276 Humboldt Big Lagoon S of Quick Comment
  UC1196221  Ranunculus repens Joseph P. Tracy 1918-4-7 4868 Humboldt Little River Northern Coast Ranges (mouth) 30 Comment
  HSC56011  Ranunculus uncinatus Gilbert Muth 1979-7-31 11494 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  HSC56103  Ranunculus uncinatus G. L. Clifton 1979-7-31 11830 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC31570  Ranunculus uncinatus var. parviflorus Glenn McGourty 1974-5-11 40 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  RSA34319  Raphanus sativus Doris K. Kildale 1926-5-7 1506 Humboldt Bucksport. Eureka. Comment
  JEPS42054  Rhamnus californica Lincoln Constance 1934-6-13 872 Humboldt just below Redwood Hwy. (e bank of South Fork Eel River, n Dyerville Flat); South Fork Eel River, Bull Creek Region, Dyerville Flat Comment
  UC1197998  Rhamnus crocea Joseph P. Tracy 1921-7-3 5844 Humboldt near mouth of Willow Creek (along Willow Creek, tributary of Trinity River); Trinity River, Willow Creek 152 Comment
  CAS-BOT-BC55967  Rhamnus ilicifolia Volney Rattan 1882-6-1 s.n. Humboldt unspecified Comment
  POM319213  Rhamnus purshiana Patricia Wilder 1968-8-21 4386 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  UC175733  Rhamnus purshiana Joseph P. Tracy 1912-9-1 3983 Humboldt Eureka Northern Coast Region 0 Comment
  CAS-BOT-BC56613  Rhododendron macrophyllum Mrs. Rachel Ellery 1916-4-1 s.n. Humboldt Beatrice Comment
  HSC97939  Rhododendron occidentale Cara Witte 2007-6-19 290 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1289 Comment
  UC562737  Rhododendron occidentale Joseph P. Tracy 1929-7-4 8609 Humboldt French Camp Ridge 1066 Comment
  UC604616  Rhododendron occidentale Joseph P. Tracy 1938-6-16 15945 Humboldt Trinidad 60 Comment
  UCSB18968  Rhododendron occidentale Jensen, Karen 1965-4-14 Humboldt Along U.S. Highway 101, 1 km. S of Trinidad 45 Comment
  CAS-BOT-BC200388  Rhododendron occidentale var. paludosum Doris K. Kildale 1927-6-26 3589 Humboldt Patrick's [Patricks] Point Comment
  CDA21469  Rhododendron occidentale var. paludosum G. F. Hrusa, T. D. Wilfred 1992-5-5 9374 Humboldt North Coast Ranges; Mckinleyville Azalea Reserve. 30 Comment
  HSC44449  Rhododendron occidentale var. paludosum Brad Klipfel 1975-5-30 655 Humboldt N of Horse Mtn. Comment
  RSA171949  Rhododendron occidentale var. paludosum R. F. Thorne 1957-9-3 19025 Humboldt Patrick's Point State Park. Comment
  RSA0062952  Rhododendron occidentale var. paludosum C. B. Wolf 1934-7-2 5905 Humboldt 4.5 miles from Snow Camp on road to Bald Mt (Mtns E of Korbel). 1067 Comment
  UC535710  Ribes Eleanor Armstrong 1934-8-23 1153 Humboldt Richardson Grove 121 Comment
  RSA167293  Ribes binominatum Joseph P. Tracy 1950-7-1 18949 Humboldt Grouse Mountain; at Cold Springs . 1433 Comment
  HSC99479  Ribes bracteosum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 138 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp 1433 Comment
  RSA24301  Ribes bracteosum Carl B. Wolf 1941-2-25 9958 Humboldt Freshwater lagoon. 30 Comment
  UC902084  Ribes bracteosum Joseph P. Tracy 1949-6-6 18299 Humboldt ne Hawkin's Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  OBI14064  Ribes divaricatum var. klamathense Joseph P. Tracy 1941-3-26 16813 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek Comment
  HSC57642  Ribes lacustre G. L. Clifton, Griswold 1979-7-25 10806 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC492208  Ribes lacustre Joseph P. Tracy 1932-7-16 10623 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC20302  Ribes laxiflorum J. W. Johnson 1962-3-22 1436 Humboldt Samoa Peninsula, Miller Farm. Comment
  RSA0021134  Ribes lobbii Lyman Benson 1928-7-12 503 Humboldt Weott Ranger Station. Seaward North Coast Range, South Fork Eel River. 61 Comment
  HSC37446  Ribes marshallii Linda M. Barker, J. O. Sawyer, Jane Sawyer, D. A. Thornburgh 1976-7-3 1631 Humboldt North Trinity Mountain Summit 1940 Comment
  CAS-BOT-BC206038  Ribes menziesii Doris K. Kildale 1926-3-25 1627 Humboldt Liscom Hills, Lower Mad River 26 Comment
  HSC20312  Ribes menziesii R. E. Thill 1965-5-1 25 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  UC154124  Ribes menziesii J. P. Tracy 1909-2-14 2941 Humboldt immediate vicinity Eureka 0 Comment
  SEINET3825262 Image available Ribes nevadense Joseph P. Tracy 1932-7-18 10716 Humboldt Head of Brett Hole 1829 Comment
  UCSB24364  Ribes roezlii Tracy, Joseph 1933-3-5 Humboldt north coast ranges 30 Comment
  SEINET13942766 Image available Ribes roezlii R. Earing, C. Cavanaugh, C. Collins 1987-1 96 Humboldt T6N, R4E, sec 19. 24 miles East of Blue Lake on Titlow hill road approx. 1/2 mile from Hwy. 299. Elevation 2,800 ft. Collected on a slope below road 853 Comment
  CAS-BOT-BC198897  Ribes roezlii var. cruentum Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC198899  Ribes roezlii var. cruentum Doris K. Kildale 1926-6-27 2232 Humboldt Little Van Duzen River on Bridgeville-Weaverville Road 640 Comment
  CAS-BOT-BC212521  Ribes sanguineum Harley P. Chandler 1901-6-1 1287 Humboldt Hupa Indian Reservation 1097 Comment
  HSC57037  Ribes sanguineum Overton, Butler 1979-7-24 9674 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC667054  Ribes sanguineum Joseph P. Tracy 1933-6-13 12589 Humboldt head Pine Creek (near summit on road from Hoopa westward to Bair's); Hoopa Mountain 1066 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
  RSA0018242  Ribes sanguineum var. glutinosum E. R. Johnson 1929-08 1413 Humboldt Arcata Redwood Park. 76 Comment
  UC1127604 Image available Ribes sanguineum var. glutinosum R. Stahelin 1933-5-15 Humboldt Freshwater Eureka Quadrangle Comment
  RSA0018245  Ribes sanguineum var. glutinosum Thomas W. Nelson, James Nelson 1976-3-11 2266 Humboldt Beside the Eel River just north of the terminus of Singley Rd. Comment
  HSC103195  Ribes sanguineum var. sanguineum Jade Paget-Seekins 2010-6-30 31 Humboldt Grouse Mountain on Forest Route 1 at the fork with Grouse Mountain Road. 1578 Comment
  UC1239757  Romanzoffia californica Joseph P. Tracy 1935-5-12 13799 Humboldt along Trinity Hwy. Willow Creek Canyon 304 Comment
  UC906678  Romanzoffia californica Joseph P. Tracy 1943-5-9 17423 Humboldt along Trinity Hwy. Willow Creek Canyon (rock bluffs near Ruby Creek) 609 Comment
  HSC45604  Romanzoffia californica Diane L. Reed 1978-5-7 69 Humboldt E fork of Willow Creek, 34 mi. from US 101 on state Hwy. 299 Comment
  CAS-BOT-BC74511  Rorippa curvisiliqua Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River, near Wilson Creek, Orleans region. Comment
  UC14348  Rorippa curvisiliqua W. C. Blasdale 1896-6-8 Humboldt Graham's Comment
  HSC99055  Rorippa palustris subsp. occidentalis Cara Witte 2008-6-18 740 Humboldt Mud Lake. Off National Forest 1, near Buck Flat. 1569 Comment
  HSC49926  Rosa gymnocarpa Maralyn O'Meara 1974-7-11 540 Humboldt Kneeland; Barry Ridge Comment
  SBBG3082  Rosa nutkana H. and M. Dearing 1939-5-26 3448 Humboldt Bishop Pine Lodge, N of Trinidad Comment
  UC303025  Rosa nutkana var. nutkana Joseph P. Tracy 1923-10-6 6564 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC588192  Rosa nutkana var. nutkana H. E. and S. T. Parks May 1937 5816 Humboldt Spruce Cove Trinidad 60 Comment
  UC1199040  Rosa spithamea Joseph P. Tracy 1929-7-4 8620 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  UC673070  Rubus Joseph P. Tracy 1940-10-17 16762 Humboldt near Dyerville (South Fork Station); South Fork Station (near Dyerville) 48 Comment
  HSC40998  Rubus leucodermis J. O. Sawyer 1975-10-17 2708 Humboldt Along Big Hill Rd. 915 Comment
  HSC99589  Rubus leucodermis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 258 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
  JEPS47690  Rubus leucodermis Lincoln Constance 1934-5-24 635 Humboldt bordering lower Look Prairie on e side , Bull Creek Region (South Fork Eel River) 121 Comment
  HSC57011  Rubus parviflorus Overton, Butler 1979-7-24 9604 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  UCSC000369  Rubus parviflorus Unknown 1975-5-30 52 Humboldt Eureka; T.P.L. Co., Freshwater Comment
  CAS-BOT-BC156727  Rubus spectabilis David D. Keck; J. Clausen 1935-6-16 3394 Humboldt Mouth of Little River, at roadside Comment
  HSC19687  Rubus spectabilis R. E. Hafenfeld 1965-5-9 6 Humboldt 1/4 mi. from County Rd. and Gold Bluff Beach Rd. jct. Comment
  UC14181  Rubus spectabilis W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  HSC70704  Rubus ursinus Gail Newton 1980-7-14 1546 Humboldt Near Deadman Ridge 1097 Comment
  UCD17616  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 048 Humboldt California. Humboldt County: 12.2 miles north of Ettersburg on road to Honeydew. Comment
  UCD17844  Rubus ursinus H. Olmo 8-10 May 1962 62- 31 Humboldt California. Humboldt County: 9 miles east of Carlotta. Comment
  HSC101448  Rubus ursinus subsp. macropetalus Cara M. Witte 2008-6-27 761 Humboldt Approximately 1.5 miles south of intersection of National Forest 1 and 5N04 1546 Comment
  HSC99000  Rubus ursinus subsp. ursinus Cara Witte 2008-7-16 906 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  CAS-BOT-BC421934  Rumex acetosella Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC104451  Rumex acetosella Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 26 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC79444  Rumex acetosella Kenneth Clark 1980-3-27 549 Humboldt Open areas and terraces above Dead Man's Gulch 107 Comment
  SBBG52989  Rumex acetosella J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, Loleta Comment
  UCD100972  Rumex acetosella Collector unknown Date unknown s.n. Humboldt location unknown. Comment
  CAS-BOT-BC421747  Rumex conglomeratus Henry M. Pollard 1945-8-24 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon Comment
  UC55518  Rumex crispus Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5487 Humboldt between Camp Grant and Pepperwood; North Coast Ranges Comment
  UCR123958  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2001-7-8 6984 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  JEPS39913  Rumex obtusifolius W. L. Jepson 1932-8-2 16476 Humboldt Bull Creek Dyerville Comment
  CDA2893  Rumex obtusifolius T. C. Fuller 1958-6-17 590 -58 Humboldt Hydesville. 0 Comment
  UC1225779  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Box Camp Trinity Summit 1463 Comment
  UC7023  Rumex pulcher H. N. Bolander Jun 1867 6568 Humboldt Shelter Cove Comment
  UC495729  Rupertia physodes Joseph P. Tracy 1930-6-15 8765 Humboldt near Blocksburg; Northern Coast Ranges 457 Comment
  UCD108451  Rupertia physodes K. Esau 1934-5-6 s.n. Humboldt Above Fort Seward. 457 Comment
  UCD92348  Rytidosperma penicillatum A. H. Murphy 1947-6-1 s.n. Humboldt Parrott's Ranch, Table Bluff, ca. 1.5 miles north of Loleta. Comment
  UC1103532  Sagina apetala Joseph P. Tracy 1946-6-23 17598 Humboldt roadside near Dan McBride place Kneeland Prairie 762 Comment
  HSC35624  Salicornia depressa Thomas W. Nelson, James Nelson 1975-8-5 2137 Humboldt Along S spit of Humboldt Bay ca. 1 mi. N of Table Bluff. Comment
  HSC90393  Salicornia depressa Jean Hanson 1980-8-28 113 Humboldt Indian (Gunther) Island in Humboldt Bay, Eureka, across from Coast Guard Station within 30 ft. of high tide line Comment
  OBI36622  Salicornia pacifica David J. Keil 1983-7-2 17297 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  SD989  Salix exigua var. hindsiana Harold E. Parks, Joseph P. Tracey 1931-5-17 971 Humboldt Mouth of Willow Creek at Trinity River 149 Comment
  UC1173601  Salix exigua var. hindsiana Joseph P. Tracy 1935-6-22 13963 Humboldt Eel R. at mouth of Larrabee Creek 45 Comment
  UC512020  Salix exigua var. hindsiana C. R. Ball, H. E. Parks, and J. P. Tracy 1932-5-17 1337 Humboldt at Willow Creek (Graham Ranch) near its junction with Trinity R. 152 Comment
  CAS-BOT-BC104110  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01332 Humboldt channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC104115  Salix hindsiana Joseph P. Tracy 1933-5-19 12203 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC106858  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01207 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad Comment
  CAS-BOT-BC107708  Salix hookeriana Harold E. Parks 1931-3-24 912 Humboldt Fortuna, on banks of Eel River 10 Comment
  CAS-BOT-BC107768  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1223 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CHSC9555  Salix hookeriana E. L. Smith 1971-4-6 925 Humboldt Ca. 7 mi s of Eureka at Field's Landing. Comment
  CHSC9651  Salix hookeriana E. L. Smith 1971-8-17 1022 Humboldt Ca. 7 mi s of Eureka at Field's Landing. Comment
  CHSC96697  Salix hookeriana Gordon Leppig 1999-4-15 1118 Humboldt Big Lagoon County Park, Big Lagoon Bog. On western edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  HSC38179  Salix hookeriana Thomas W. Nelson 1976-11-5 3296 Humboldt Along Wabash Ave. between F & G St., Eureka Comment
  HSC40870  Salix hookeriana Linda M. Barker 1976-4-13 1383 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  HSC40879  Salix hookeriana Linda M. Barker 1976-6-14 1599 Humboldt 3 mi. W of Arcata, Lanphere-Christensen Dunes Comment
  HSC90434  Salix hookeriana Jean Hanson 1980-3-8 17 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS14758  Salix hookeriana Joseph P. Tracy 1926-1-10 7345 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  LA208758  Salix hookeriana Harold E. Parks; August 1931 1053 Humboldt Little River Lagoon, Trinidad; at sea level Comment
  RSA171962  Salix hookeriana Robert F. Thorne 1957-9-2 18987 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  SBBG59115  Salix hookeriana H. E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC1173588  Salix hookeriana Joseph P. Tracy 1937-7-27 15508 Humboldt Lindsay Creek Mad River (mouth) 15 Comment
  UC1196554  Salix hookeriana Joseph P. Tracy 1936-9-27 15189 Humboldt Mad R. at mouth of Lindsey Creek; Mad R., Lindsey Creek 15 Comment
  UC1196680  Salix hookeriana Joseph P. Tracy 1920-2-29 5312 Humboldt Ryans Slough Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC1225778  Salix hookeriana Joseph P. Tracy 1948-4-4 17961 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC469125  Salix hookeriana Joseph P. Tracy 1931-8-23 9621 Humboldt sand dunes near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC470438  Salix hookeriana Joseph P. Tracy 1931-9-19 9674 Humboldt on Van Duzen R. Alton; Northern Coast Region, , Van Duzen R. 30 Comment
  UC481271  Salix hookeriana Harold E. Parks 1931-5-28 1018 Humboldt Little River Lagoon Comment
  UC481351  Salix hookeriana Harold E. Parks 1931-5-12 955 Humboldt Samoa Humboldt Bay, Samoa Comment
  UC506347  Salix hookeriana Joseph P. Tracy 1933-3-19 10924 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC506402  Salix hookeriana Joseph P. Tracy 1933-4-9 10969 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC512086  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC512100  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1210 a Humboldt 4 1/2 mi s Trinidad (Little River Lagoon); Little River Lagoon Comment
  UC512110  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1205 Humboldt 4 1/2 mi s Trinidad (Little River Lagoon); Little River Lagoon Comment
  UC519325  Salix hookeriana Joseph P. Tracy 1933-10-8 13089 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges 91 Comment
  UCD111037  Salix hookeriana Linda M. Barker 1976-4-13 1383 Humboldt 3 miles west of Arcata. Comment
  UC469475  Salix laevigata Joseph P. Tracy 1931-10-18 9737 Humboldt on Eel R. Camp Grant; Northern Coast Ranges, Eel R., Camp Grant 60 Comment
  UC906709  Salix laevigata Harold E. Parks and Joseph P. Tracy 1942-5-16 11567 Humboldt vicinity of Garberville 152 Comment
  UC906710  Salix laevigata Harold E. Parks and Joseph P. Tracy 1942-5-16 11568 Humboldt vicinity of Garberville Garberville 152 Comment
  UC176690  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1913-6-20 4218 Humboldt Dinsmore's Ranch opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  CAS-BOT-BC128189  Salix lasiandra var. lasiandra Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  HSC98697  Salix lasiandra var. lasiandra C. Witte 2008-10-18 1052 Humboldt Forest Service Road 4N32, 1/2 miles S of intersection with 5N04 1453 Comment
  SD1004  Salix lasiandra var. lasiandra Harold E. Parks, Joseph P. Tracy 1931-5-17 966 Humboldt Mouth of Willow Creek at Trinity River 149 Comment
  CAS-BOT-BC107581  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-13 1255 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  HSC20023  Salix lasiolepis J. P. Tracy 1933-2-26 10912 Humboldt Miranda, S Fork of Eel River 122 Comment
  HSC96358  Salix lasiolepis Gordon Leppig 1999-4-15 1117 Humboldt Big Lagoon County Park, Big Lagoon Bog, W fen edge 3 Comment
  JEPS12967  Salix lasiolepis Joseph P. Tracy 1931-9-26 9696 Humboldt at Redwood Creek Berry's; Northern Coast Ranges 274 Comment
  LA208772  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150.0 Comment
  POM161046  Salix lasiolepis Joseph P. Tracy 1926-9-19 7801 Humboldt Valley of S Yager Creek 762 Comment
  POM219356  Salix lasiolepis Joseph P. Tracy 1931-3-31 9327 Humboldt Redwood Creek. At Berry's. 274 Comment
  RSA34275  Salix lasiolepis Doris K. Kildale 1927-3-22 2934 Humboldt Ryan Slough. Comment
  UC1196628  Salix lasiolepis Joseph P. Tracy 1937-4-11 15260 Humboldt Camp Grant Eel River (along river, 2-5 mi e of the South Fork) 45 Comment
  UC481175  Salix lasiolepis Harold E. and Susan T. Parks 1931-8-15 1079 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 100 Comment
  UC506506  Salix lasiolepis Joseph P. Tracy 1932-10-8 10865 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC512029  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1329 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  UC512032  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1327 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  UC519348  Salix lasiolepis Joseph P. Tracy 1933-11-12 13115 Humboldt Miranda North Coast Ranges, South Fork of Eel River 91 Comment
  UCD111584  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-13 01255 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road. Comment
  POM219248  Salix lucida subsp. lasiandra H. E. Parks, Susan T. Parks 1931-8-15 1078 Humboldt Blue Slide. Van Duzen River. 100 Comment
  CAS-BOT-BC125610  Salix melanopsis Doris K. Kildale 1927-5-13 3143 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC125615  Salix melanopsis Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 01252 Humboldt On floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC125617  Salix melanopsis Doris K. Kildale 1926-7-11 2365 Humboldt Bear River near Capetown 30 Comment
  HSC20060  Salix melanopsis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1237 Humboldt Van Duzen River at Blue Slide 91 Comment
  SBBG29038  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC469446  Salix melanopsis Joseph P. Tracy 1931-5-3 9343 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC470452  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481828  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 284 Humboldt 6 km. s. Alton (e. of Redwood Hwy.) 20 Comment
  UC54764  Salix melanopsis P. E. Goddard 1901-7 16 Humboldt Hupa Comment
  RSA0034666  Salix melanopsis var. bolanderiana H. P. Bracelin 1931-5-2 283 Humboldt East of Redwood Highway, 6 km. south of Alton. 20 Comment
  RSA0038342  Salix melanopsis var. tenerrima Harold E. Parks, Joseph P. Tracy 1931-5-17 0972 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  CAS-BOT-BC129208  Salix piperi Doris K. Kildale 1928-3-27 4359 Humboldt Freshwater Comment
  HSC37878  Salix scouleriana Thomas W. Nelson 1976-3-22 2281 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC38188  Salix scouleriana Thomas W. Nelson, James Nelson 1976-3-5 3294 Humboldt Beside Hwy. 101 near summit of Table Bluff Comment
  JEPS12944  Salix scouleriana Joseph P. Tracy 1929-10-20 8680 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  LA208918  Salix scouleriana Harold E. Parks; 1931-5-12 955 a Humboldt Samoa; Humboldt Bay 0 Comment
  SD883  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 449 Comment
  SD884  Salix scouleriana Harold E. Parks 1931-5-12 955 a Humboldt Samoa, Humbolt Bay Comment
  UC1196697  Salix scouleriana Joseph P. Tracy 1923-1-7 6135 Humboldt near Ferndale Ferndale; Northern Coast Ranges 15 Comment
  UC1196701  Salix scouleriana J. P. Tracy 1900-12-22 974 Humboldt immediate vicinity Eureka 0 Comment
  UC1196706  Salix scouleriana Joseph P. Tracy 1933-12-24 13132 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC490504  Salix scouleriana Joseph P. Tracy 1932-2-7 9771 Humboldt Scotia Northern Coast Ranges, Scotia 30 Comment
  CAS-BOT-BC128952  Salix sitchensis H. E. McMinn 1922-8-4 338 Humboldt Along Van Duzen River - 18 miles from Fortuna 6 Comment
  CAS-BOT-BC128953  Salix sitchensis A. T. Whittemore 1979-4-5 79 -015 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School Comment
  CAS-BOT-BC129000  Salix sitchensis Harold E. Parks 1931-5-28 1026 Humboldt Little River Lagoon, at sea level. Comment
  HSC36284  Salix sitchensis R. W. Becking, Thomas Overturf 1975-6-26 705 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  HSC37880  Salix sitchensis Thomas W. Nelson 1976-3-22 2282 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC38130  Salix sitchensis Thomas W. Nelson, James Nelson 1976-3-23 3281 Humboldt Van Duzen River at Grizzley Creek Comment
  HSC56143  Salix sitchensis G. L. Clifton, Griswold 1979-8-1 11971 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC90465  Salix sitchensis Jean Hanson 1980-4-12 33 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  HSC96587  Salix sitchensis Gordon Leppig 2003-2-4 1804 Humboldt NWR South Bay Unit 2 Comment
  UC1713724  Salix sitchensis Joseph P. Tracy 1905-11-5 2398 Humboldt immediate vicinity of Eureka 0 Comment
  UC492342  Salix sitchensis Harold E. and Susan T. Parks 1932-4-12 1111 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  POM118790  Sambucus callicarpa Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA113848  Sambucus callicarpa E. K. Balls 1956-2-16 21457 Humboldt Near first overhead bridge on road to Crannell, 0.5 miles east of Highway 101 15 Comment
  RSA28377  Sambucus callicarpa E. K. Balls, P. C. Everett 1953-10-12 18633 Humboldt moist ditches, road to Crannell, 0.5 mi. E from Hwy 101, near first overhead bridge. 15 Comment
  HSC56447  Sambucus nigra subsp. caerulea Griswold, Butler 1979-7-12 7197 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC13297  Sanguisorba minor D. Santana 1970-5-16 Humboldt 2 mi. N of Fortuna off ramp along Hwy. 101 Comment
  CAS-BOT-BC157199  Sanguisorba officinalis Carl B. Wolf 1934-7-2 5901 Humboldt Snow Camp (mts. E. of Korbel), near small lake 1371 Comment
  HSC59088  Sanicula arctopoides Clark L. Miller 1979-5-9 3 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  HSC62749  Sanicula arctopoides J. M. DiTomaso 1979-4-21 897 Humboldt Cliffs above College Cove, Elks Head, Trinidad Comment
  HSC21616  Sanicula arctopoides D. E. Anderson 1962-3-25 1950 Humboldt 1/4 mi. N of Fairhaven Comment
  HSC89551  Sanicula arctopoides Mike Roantree 1985-4-28 13 Humboldt N side of Trinidad Head, on coastal buff slope below trail Comment
  UC1197115  Sanicula arctopoides Joseph P. Tracy 1933-5-9 12164 Humboldt vicinity of Trinidad (Northern Coast Region); Northern Coast Region 60 Comment
  UC642301  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  HSC21635  Sanicula crassicaulis D. V. Sanford 1963-4-23 42 Humboldt Comment
  HSC82108  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1980-5-25 5253 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  UC1022528  Sanicula crassicaulis C. Ritchie Bell 1952-5-14 3 X456 Humboldt Patrick Point State Park Comment
  UC1197086  Sanicula laciniata Joseph P. Tracy 1921-4-24 5454 Humboldt facing South Fork Eel River (Northern Coast Ranges, Phillipsville); Northern Coast Ranges, Phillipsville 121 Comment
  UC642283  Sanicula laciniata Joseph P. Tracy 1935-5-25 13907 Humboldt Dobbyn Creek 152 Comment
  HSC68625  Sanicula tracyi Jacqueline Greenleaf 1980-7-16 239 Humboldt Near Buck Mtn. 1250 Comment
  JEPS977  Sanicula tracyi Joseph P. Tracy 1908-6-30 2747 Humboldt Northern Coast Ranges, Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  JEPS973  Sanicula tuberosa Joseph P. Tracy 1927-6-12 8156 Humboldt Northern Coast Ranges, Horse Mountain Horse Mountain; Northern Coast Ranges, Horse Mountain 1219 Comment
  UC1565803  Sanicula tuberosa R. Spellenberg 1990-7-9 10227 Humboldt 14 air mi sw of Burnt Ranch (20.5 mi s of California Hwy 299 and Berry Summit on USFS Rd 1, on Pilot Ridge, extreme e edge of Humboldt County); Pilot Ridge 1371 Comment
  JEPS949  Sanicula tuberosa Joseph P. Tracy 1923-7-4 6528 Humboldt Northern Coast Ranges, Valley of South Yager Creek Valley of South Yager Creek; Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  HSC31438  Sarcodes sanguinea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5556 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  UC556333  Satureja douglasii Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  BLMAR287  Saxifraga mertensiana Jennifer Anthony-Wheeler 2000-4-18 287 Humboldt King range, growing on rocky ridgeline, outcrop/vista in millcrk forest 402 Comment
  JEPS47545  Saxifraga oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Trinity Summit, at Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  HSC55745  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10267 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  POM117422  Scandix pecten-veneris Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC642323  Scandix pecten-veneris Joseph P. Tracy 1935-5-25 13872 Humboldt Fort Seward 106 Comment
  RSA246892  Schoenoplectus maritimus Robert F. Thorne, Percy C. Everett 1965-8-9 35339 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  RSA366412  Schoenoplectus pungens Joseph P. Tracy 1914-5-30 s.n. Humboldt North Coast, near Hydesville Comment
  UC1100781  Scirpus cernuus Malcolm A. Nobs, S. Galen Smith 1949-8-3 1174 Humboldt salt marshes around Fields Landing; around Fields Landing Comment
  UC1541345  Scirpus maritimus Harold E. Parks September 1934 5201 Humboldt Big Lagoon Comment
  CAS-BOT-BC110923  Scirpus microcarpus Doris K. Kildale 1928-5-15 6759 Humboldt Eureka-foot of Whipple Street Comment
  CAS-BOT-BC110926  Scirpus microcarpus Joseph Prince Tracy 1934-6-21 13242 Humboldt Near Fields Landing 6 Comment
  UC1103647  Scirpus pungens Joseph P. Tracy 1934-10-21 13689 Humboldt along coast in front of South End of Stone Lagoon Dry Lagoon 3 Comment
  UC1197793  Scoliopus bigelovii Mrs. Harriet Tracy 1909-3-5 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC175805  Scoliopus bigelovii Joseph P. Tracy 1913-3-9 4017 Humboldt near Hydesville; Northern Coast Region 60 Comment
  SEINET12058059  Scoliopus bigelovii F. H. Utech 1988-3-4 88 -026 Humboldt 12.7 mi E on CA 36 from jct US 101 & Van Duzen River, Grizzly Creek Redwoods, O.R. Cheatam Grove 90 Comment
  SEINET12058060  Scoliopus bigelovii F. H. Utech 1988-3-4 88 -026 Humboldt 12.7 mi E on CA 36 from jct US 101 & Van Duzen River, Grizzly Creek Redwoods, O.R. Cheatam Grove 90 Comment
  UC32583  Scutellaria siphocampyloides Chesnut and Drew 1888-7-29 Humboldt Louse Creek Comment
  HSC65963  Sedum laxum subsp. flavidum M. A. Baker 1980-7-15 2941 Humboldt Near Whiting Ridge. 1341 Comment
  HSC63212  Sedum laxum subsp. heckneri M. A. Baker 1979-7-6 1015 Humboldt W slope of Rattlesnake Creek Ridge overlooking Red Cap Creek, outcrop and road cut of FS Rd. 10N01 Comment
  HSC79263  Sedum laxum subsp. heckneri D. K. Imper 1983-6-28 Humboldt Six Rivers National Forest, Trinity River Canyon, 2 mi. S of Weitchpec Comment
  UC302106  Sedum laxum subsp. heckneri Joseph P. Tracy 1926-6-20 7647 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  JEPS48016  Sedum obtusatum Joseph P. Tracy 1926-6-20 7647 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
Read comments
Aug 17 2011
  UC169907  Sedum radiatum Harley P. Chandler June, 1901 1379 Humboldt Hupa Valley North Coast Ranges, Hupa Indian Reservation, Hupa Valley (Hupa Indian Reservation, North Coast Ranges) 152 Comment
  HSC96071  Sedum spathulifolium J. McIntire, S. Lyon 2005-6-10 8 Humboldt 1.4 mi. S of Hwy. 299 on Titlow Hill Rd. 945 Comment
  RSA0081472  Sedum spathulifolium C. B. Wolf 1934-7-2 5858 Humboldt One mile from Bald Mt. on road to Korbel. 762 Comment
  UC503064  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt coast bluffs Trinidad Trinidad; Northern Coast Region 60 Comment
  UC581705  Senecio integerrimus var. major Joseph P. Tracy 1930-7-18 9064 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC1199492  Senecio minimus Joseph P. Tracy 1934-8-31 Humboldt Kneeland Prairie 762 Comment
  UC1199239  Senecio sylvaticus Joseph P. Tracy 1936-8-24 15172 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  HSC95587  Senecio sylvaticus Andrea Pickart 2002-6-27 115 Humboldt Mad River Slough and Dunes 6 Comment
  UC204868  Senecio sylvaticus Joseph P. Tracy 1918-9-1 5095 Humboldt Newells Camp on old Kneelans Praire Road 457 Comment
  HSC50533  Senecio triangularis Overton 1979-8-1 12335 Humboldt Near Mill Creek, close to the town of Hoopa 1342 Comment
  HSC76415  Senecio triangularis Denis Kearns 1981-7-23 431 Humboldt Near Whiteys Peak. 1524 Comment
  UC581750  Senecio triangularis Joseph P. Tracy 1933-7-25 12846 Humboldt Grouse Mountain North Coast Ranges, Grouse Moutain 1524 Comment
  SEINET11802700  Senecio vulgaris J. P. Tracy 1943-1 17454 Humboldt Eel River Bar at mouth of Van Duzen, near Alton Comment
  HSC98210  Sequoia sempervirens Gordon Leppig 1999-7-9 1189 Humboldt Big Lagoon County Park; Big Lagoon Bog 3 Comment
  MACF022873  Sequoia sempervirens Trudy R. Ericson 1978-9-3 964 Humboldt 3 mi. east of Carlotta on St. 36 60 Comment
  SDSU2024  Sequoia sempervirens L. N. Harvey 1930-9-27 562 Humboldt Eel River Comment
  SDSU292  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D st Arcata. Empire series Sandstone, West slope. Ocean fog belt of North Coast. 55 Comment
  SEINET3141794  Sequoia sempervirens A. L. Reina G., T. R. Van Devender 2001-12-25 2001 -1044 Humboldt 3.2 km S of Red Creston Alt. CA 101, Humboldt Redwoods State Park Comment
  SEINET11739296  Sequoia sempervirens R. J. Mastrogiuseppe 1966-1 s.n. Humboldt along state route 229 from Arcata to Redding, Demonstration Forest, Simpson Timber Co Comment
  CAS-BOT-BC364783  Sericocarpus oregonensis subsp. oregonensis Doris K. Kildale 1926-8-22 2589 Humboldt On Orick - Martin's Ferry road 716 Comment
  SEINET11802379  Sericocarpus rigidus J. P. Tracy 1950-1 19378 Humboldt about 3 mi SW of Orleans Comment
  UC526852  Setaria viridis Joseph P. Tracy 1934-8-18 13589 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC170179  Sidalcea asprella Harley P. Chandler June, 1901 1438 Humboldt Klamath River North Coast Ranges, Klamath River Comment
  CAS-BOT-BC205570  Sidalcea malachroides A. M. Vollmer; L. Beane 1951-6-11 136 Humboldt Yager Creek Road, on way to Carlotta Comment
  CAS-BOT-BC205575  Sidalcea malachroides Alice Eastwood; John Thomas Howell 1937-6-23 4855 Humboldt 8 miles from Korbel on road to Maple Creek Comment
  HSC93948  Sidalcea malachroides Claire Golec 1999-6-2 Humboldt HB&M, old landing off of skid road, along ridgeline above Van Duzen River 427 Comment
  SBBG4711  Sidalcea malachroides H. and M. Dearing 1939-5-24 3428 Humboldt Cape Mendocino 121 Comment
Read comments
Oct 29 2014
  SEINET11994388  Sidalcea malachroides F. H. Utech 1986-1 86 -399 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Humboldt County F3C) enroute to Capetown 80 Comment
  JEPS79985  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1928-6-24 8458 Humboldt between Bridgeville and head Yager (South Yager Creek); Northern Coast Ranges, South Yager Creek 762 Comment
  UC162918  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1911-7-6 3349 Humboldt mountain slopes along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges, btw Three Creeks and Willow Creek 762 Comment
  HSC103244  Sidalcea malviflora subsp. patula John McRae, Carrie Schreiber 2010-6-18 Humboldt USDA Forest Service, Humboldt Nursery, Baird Rd., McKinleyville 15 Comment
  RSA46857  Sidalcea malviflora subsp. patula Doris K. Kildale 1927-7-1 3624 Humboldt Alton Hill Comment
  RSA46866  Sidalcea malviflora subsp. patula Doris K. Kildale 1927-7-10 s.n. Humboldt Gans Prairie, Bald Mountain Comment
  UC161013  Silene antirrhina Joseph P. Tracy 1908-6 2801 Humboldt opposite Buck Mountain (Valley of Van Duzen River, in sand bar in river); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA183641  Silene californica D. E. Anderson 1965-5-15 3709 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  JEPS23253  Silene campanulata Joseph P. Tracy 1933-7-25 12871 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC174876  Silene campanulata subsp. glandulosa Clarence R. Quick 1959-7-24 59 -33 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC98675  Silene campanulata subsp. glandulosa Cara Witte 2007-6-26 353 Humboldt Horse Mountain Botanical Area. Junction of 6N36 and 6N36A. 1388 Comment
  UC1541418  Silene gallica W. K. Parks June, 1932 Humboldt vicinity Trinidad; vicinity of Trinidad Comment
  UCD98626  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC59744  Silene gallica Clark L. Miller 1979-5-9 6116 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  UC13555  Silene hookeri W. C. Blasdale 1896-6-8 Humboldt Grahams Grahames ((Grahames?)) Comment
  CAS-BOT-BC181246  Silene hookeri subsp. bolanderi Alice Eastwood; John Thomas Howell 1937-6-23 4799 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC181243  Silene hookeri subsp. bolanderi Tom Jimerson 1983-5-26 s.n. Humboldt Lower Trinity Road, roadside cutbank on the road to Brush Mountain Lookout off Friday Ridge Rd. - Six Rivers National Forest Comment
  HSC41324  Silene laciniata subsp. californica Brad Klipfel 1974-8-2 517 Humboldt Horse Mtn. Comment
  HSC79457  Silene laciniata subsp. californica Kenneth Clark 1980-6-14 665 Humboldt On western slope above Dead Man's Gulch (near parking access) 145 Comment
  CAS-BOT-BC389262  Silene lemmonii Joseph P. Tracy 1932-7-12 10452 Humboldt Trinity Summit. Near Corral Prairie 1584 Comment
  UC162883  Silene menziesii Harley P. Chandler June, 1901 1319 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  HSC6177  Silybum marianum D. E. Anderson 1961-9-13 1811 Humboldt Trinidad Beach Comment
  HSC23752  Sisyrinchium bellum Tim Baroni 1971-7-6 116 Humboldt 8 mi. S of Ferndale on Mattole Rd. Comment
  HSC45588  Sisyrinchium bellum Diane L. Reed 1978-5-27 142 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  JEPS64287  Sisyrinchium bellum Lincoln Constance 1934-6-4 815 Humboldt Look Prairie and Bull Creek Road to Dyerville South Fork Eel River; Bull Creek Region, South Fork Eel River Comment
  HSC23117  Sisyrinchium californicum Norman Dennis 1965-6-3 142 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  RSA70587  Sisyrinchium californicum Frank W. Peirson 1923-7-11 3693 Humboldt 7 miles N of Arcata. Comment
  UC1197804  Smilacina racemosa Joseph P. Tracy 1936-8-7 15106 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  UC666970  Smilacina stellata Joseph P. Tracy 1939-4-25 16222 Humboldt Bull Creek; mouth 60 Comment
  HSC21316  Solanum triflorum D. E. Anderson 1962-11-7 2342 Humboldt Near Trinity Hospital Comment
  CAS-BOT-BC157484  Solanum umbelliferum H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. Trail 1524 Comment
  HSC44112  Solanum xanti Barbara Kelly 1977-4-23 303 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  CAS-BOT-BC365441  Solidago elongata Carl B. Wolf 1937-9-9 9311 Humboldt North Coast Range, Wildcat Ridge, 6 3/10 mi. So. of Ferndale 304 Comment
  UC1199321  Solidago elongata Joseph P. Tracy 1932-7-17 10652 Humboldt Trinity Summit 1584 Comment
  CHSC69500  Solidago spathulata Vernon Oswald; Lowell Ahart 1997-9-4 8852 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.1 mi south of Hwy. 255. ON dunes. 6 Comment
  HSC49092  Solidago spathulata Patricia Shesgreen 1978-8-12 137 Humboldt Along Hwy. 255, 1/4 mi. S of Samoa Bridge, Samoa Comment
  UC673079  Solidago velutina subsp. californica Joseph P. Tracy 1940-8-18 16702 Humboldt South Fork Eel River near Bolling Grove; South Fork Eel River 91 Comment
  UC1223173  Soliva sessilis Joseph P. Tracy 1942-6-15 17157 Humboldt on the road to Harris 1/2 mi ne Garberville 304 Comment
  HSC104456  Sonchus oleraceus Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 25 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  CHSC69844  Sparaxis Duain Goforth 1977-4-19 Humboldt Arcata. Comment
  RSA85195  Sparganium angustifolium subsp. emersum F. W. Peirson 1923-7-11 3642 Humboldt 20 miles north of Eureka. Comment
  UC672885  Sparganium emersum var. emersum Joseph P. Tracy 1928-9-2 8499 Humboldt near Fruitland 609 Comment
  UC176175  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1912-10-20 3987 Humboldt Loleta Northern Coast Ranges, Eel Valley (lower Eel Valley) 15 Comment
  CAS-BOT-BC235371  Spartina densiflora W. A. Silveus 1938-7-10 2966 Humboldt Eureka Comment
  UCR122386  Spartina foliosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 6994 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  CDA19921  Spartium junceum R. Spadoni 2002-6-26 PDR P 070828 Humboldt Northern California; Vicinity of Garberville. 0 Comment
  HSC103560  Spartium junceum Spadoni 2002-6-26 70828 Humboldt Along roadside in the vicinity of Garberville. Comment
  HSC12566  Spergula arvensis D. La Conte 1970-8-10 3 Humboldt Comment
  HSC19754  Spiraea douglasii D. E. Anderson 1961-9-9 1793 Humboldt Along S shore of Big Lagoon Comment
  POM312888  Spiraea douglasii Malcolm A. Nobs, S. Galen Smith 1949-8-9 1226 Humboldt 1 m N of Arcata at jct of Hwys 101 and 229. Mad River Valley. Comment
  UC1281052  Spiraea douglasii H. E. McMinn Jul 1922 289 Humboldt n of Scotia Comment
  UC666994  Spiranthes porrifolia Joseph P. Tracy 1937-6-26 15376 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1196396  Spiranthes romanzoffiana Joseph P. Tracy 1911-8-27 3537 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS64507  Spiranthes romanzoffiana Milo S. Baker 1923-8-23 326 b Humboldt near Carlotta; Wilder's Comment
  UC1196404  Spiranthes romanzoffiana Joseph P. Tracy 1936-8-2 15066 Humboldt French Camp Ridge; by spring 1066 Comment
  JEPS62959  Stachys ajugoides Joseph P. Tracy 1938-6-15 15931 Humboldt Fortuna 15 Comment
  UC1239733  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-9 14881 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UC535709  Stachys ajugoides var. rigida Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  CDA41012  Stachys ajugoides var. rigida T. C. Fuller 1958-6-17 1716 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  JEPS63062  Stachys ajugoides var. rigida W. L. Jepson 1936-8-15 17901 Humboldt 2 mi e Carlotta Comment
  UC668219  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15937 Humboldt vicinity Carlotta 30 Comment
  HSC96495  Stachys chamissonis Gordon Leppig 1997-6-19 458 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC673112  Stachys chamissonis Joseph P. Tracy 1940-9-26 16726 Humboldt Eureka 3 Comment
  HSC54537  Stachys rigida var. rigida Overton, Butler 1979-7-23 9494 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC91609  Stellaria media E. Mackey 1987-1-17 Humboldt Patricks Point State Park, near Wedding Rock. Comment
  CHSC111333  Stipa miliacea var. miliacea Barbara L. Wilson; Nick Otting 2012-7-3 17135 Humboldt Dean Creek Resort between the Eel River and the Old Redwood Highway, west of Highway 101; UTM zone 10T, 430910 east, 443867 north. 76 Comment
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Nov 6 2015
  JEPS54025  Streptanthus tortuosus var. orbiculatus W. L. Jepson Jul 16 1902-Jul 23 1902 2118 Humboldt Trinity Summit 2133 Comment
  UC552237  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1933-7-16 12790 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  HSC32317  Streptanthus tortuosus var. tortuosus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5655 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC58336  Streptopus amplexifolius Overton, Butler 1979-8-2 12644 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC102587  Streptopus amplexifolius var. americanus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1574 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC34130  Swertia radiata J. O. Sawyer 1970-6-24 2285 Humboldt Near Waterdog Lakes 1860 Comment
  UC1173691  Symphoricarpos albus var. laevigatus Joseph P. Tracy 1939-8-20 16428 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  JEPS13646  Symphoricarpos mollis Lincoln Constance 1934-6-3 808 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
  HSC5046  Symphyotrichum chilense H. E. Parks, S. T. Parks 1930-9-14 772 Humboldt Big Lagoon Comment
  UC1222984  Symphyotrichum chilense Joseph P. Tracy 1950-10-7 19383 Humboldt e of, (on the Trinity Highway) Redwood Creek; Berry's Mountain 548 Comment
  CAS-BOT-BC99005  Symphyotrichum eatonii Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  SEINET4335925 Image available Symphyotrichum subspicatum H. E. Parks, M. Jackson 24197 Humboldt Big Lgaoon Comment
  SEINET12275944  Symphytum asperum J. P. Tracy 1943-1 17448 Humboldt near Iverson dairy ranch, Arcata Comment
  UC902236  Synthyris reniformis Joseph P. Tracy 1941-3-26 16812 Humboldt Willow Creek Canyon, along Trinity Highway, near crossing of East Fork Willow Creek Canyon 457 Comment
  HSC38341  Tanacetum bipinnatum Peter Sorensen 1976-6-14 Humboldt N Spit of Humboldt Bay, S of Samoa Comment
  HSC6246  Tanacetum bipinnatum S. J. Moore 1965-4-10 5 Humboldt Dry Lagoon State Park Comment
  HSC71026  Tauschia kelloggii Thomas W. Nelson 1977-4-20 3318 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  HSC1597  Taxus brevifolia Francis Winter 1960-5-7 Humboldt Pine Ridge Summit, Hoopa Indian Reservation 671 Comment
  HSC53851  Tellima grandiflora Griswold, Butler 1979-7-10 6316 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  JEPS43496  Tellima grandiflora Lincoln Constance 1934-5-26 686 Humboldt North Dyerville Flat South Fork Eel River, Bull Creek Region (near Founders' Tree) 48 Comment
  CAS-BOT-BC399768  Thalictrum polycarpum Joseph P. Tracy 1932-6-26 10263 Humboldt Northern Coast Ranges. Valley of South Yager Creek 762 Comment
  HSC1186  Thelypteris nevadensis J. P. Tracy 1937-7-25 15556 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  HSC101049  Thermopsis robusta Lisa Hoover 1996-5-29 132 Humboldt Red Cap drainage 293 Comment
  UC1222645  Thlaspi californicum Joseph P. Tracy 1951-5-20 19405 Humboldt at serpentine rockpile toward Ashfield Butte Kneeland Prairie; , toward Ashfield Butte 762 Comment
  CAS-BOT-BC81308  Thuja plicata Doris K. Kildale 1927-3-22 2935 Humboldt North Fork Elk River Comment
  RSA28962  Thuja plicata E. K. Balls, Percy C. Everett 1953-10-11 18632 Humboldt 3.3 miles south of Ferndale on Old Coast Road from Petrolia 366 Comment
  SDSU1860  Thuja plicata D. F. Howe 1963-8-7 3705 Humboldt 30 miles west of west entrance to Six Rivers National Forest on #299. 183 Comment
  UC275476  Thuja plicata Joseph P. Tracy 1925-3-7 6931 Humboldt North Fork Eel River North Coast Region, North Fork Eel River (around Humboldt Bay) 60 Comment
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Jul 4 2018
  UC229825  Thysanocarpus curvipes Joseph P. Tracy 1922-4-30 6032 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, , Willow Creek 152 Comment
  CAS-BOT-BC88325  Thysanocarpus curvipes John H. Thomas 1968-4-21 14363 Humboldt Near mouth of Bluff Creek about 6 miles northeast of Weithchpec near Bluff Creek Campground. 140 Comment
  HSC56095  Tiarella trifoliata var. unifoliata G. L. Clifton 1979-7-31 11802 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC70508  Tiarella trifoliata var. unifoliata Gail Newton 1980-7-20 1608 Humboldt Near Bell Swamps 9 Comment
  RSA151820  Tiarella trifoliata var. unifoliata H. K. Sharsmith, Francia Chisaki 1959-8-22 4753 Humboldt At Happy Camp. Just over Trinity County line. 915 Comment
  JEPS49718  Tolmiea diplomenziesii W. L. Jepson 1902-7-11 2013 Humboldt South Fork of Trinity River; Martin's Ranch Comment
  HSC44766  Torilis arvensis Maralyn O'Meara 1972-6-9 89 Humboldt Along bald Hills Rd. 16.4 mi. E of jct. with Hwy. 101 Comment
  UC1196253  Torilis arvensis subsp. arvensis Mrs. Archie Cathey July 1933 Humboldt near Miranda (at Cathey Ranch) 304 Comment
  LA87902  Tracyina rostrata Joseph P. Tracy; 1916-6-20 4735 Humboldt Alder Point 304 Comment
  HSC62982  Tragopogon porrifolius M. Dean Griswold Jr. 1979-5-29 80 Humboldt NW of Plant Operations, Humboldt State University campus Comment
  HSC18246  Trautvetteria caroliniensis J. P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  UC535719  Trichostema lanceolatum Eleanor Armstrong 1934-7-15 1128 Humboldt Richardson Grove 121 Comment
  UC484155  Trichostema laxum E. R. Johnson Aug 1929 Humboldt along the Eel River Comment
  HSC17936  Trientalis latifolia D. E. Anderson 1965-5-8 3653 Humboldt About 3 mi. N of Willow Creek along rd. on E side of Trinity River. Comment
  HSC31556  Trientalis latifolia Glenn McGourty 1974-5-11 46 Humboldt Along Maple Creek Rd. Comment
  HSC32879  Trientalis latifolia Thomas W. Nelson, James Nelson 1973-5-28 933 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC28131  Trientalis latifolia J. D. Ackerman 1973-5-6 44 Humboldt 3 mi. N of Weott Comment
  UC1197235  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1921-6-12 5820 Humboldt Kneeland Prairoe Northern Coast Ranges 762 Comment
  JEPS65948  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-5-14 8007 Humboldt near South Fork; North Coast Ranges, Trinity River Valley 182 Comment
  UC1197247  Trifolium albopurpureum var. dichotomum H. E. Parks and Joseph P. Tracy 1932-5-12 9987 Humboldt near Alton (Van Dugen river bar); Northern Coast Ranges Comment
  UC1223387  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1938-5-1 15734 Humboldt along west side of Trinity River (at Willow Creek) Comment
  UC16425  Trifolium barbigerum J. Burtt Davy 1899-6-17 5603 Humboldt Arcata Comment
  UC1223508  Trifolium barbigerum Joseph P. Tracy 1935-5-25 13881 Humboldt North Dobbin Creek and near same along the Alder Point Rd Dobbyn Creek 152 Comment
  UC1223512  Trifolium barbigerum Joseph P. Tracy 1939-4-18 16213 Humboldt w side South Fork of Eel River (Garberville) 152 Comment
  HSC45115  Trifolium bifidum R. Sutherland 1978-5-19 14 .19578 Humboldt 134 Comment
  UC1197186  Trifolium bifidum var. bifidum Joseph P. Tracy 1925-6-7 7080 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1197181  Trifolium bifidum var. decipiens Joseph P. Tracy 1906-5-6 2448 Humboldt near Hydesville; North Coast Ranges 60 Comment
  SEINET12157175  Trifolium cyathiferum J. P. Tracy 1937-1 15519 Humboldt Devils Hole, head of Hors Linto Creek, Trinity Summit 1676 Comment
  SEINET6934960  Trifolium dichotomum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC1197052  Trifolium dubium Joseph P. Tracy 1923-6-17 6267 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  HSC45105  Trifolium dubium R. Sutherland 1978-5-17 2 .17578 Humboldt 305 Comment
  UC162814  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1908-6 2759 Humboldt opposite Buck Mtn; Valley of Van Duzen River 762 Comment
  HSC28171  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  SDSU5278  Trifolium fucatum D. F. Howe 1962-5-22 3308 Humboldt 0.7 miles east of Orick on Bald Hill road. 396 Comment
  SEINET6934968  Trifolium fucatum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC1223458  Trifolium fucatum Joseph P. Tracy 1938-6-17 15950 Humboldt s Cape Ridge (near ocean); Cape Mendocino Comment
  UC495732  Trifolium fucatum Joseph P. Tracy 1927-6-5 8100 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  HSC38085  Trifolium gracilentum Thomas W. Nelson, James Nelson 1976-5-30 2606 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC58628  Trifolium longipes Overton, Butler 1979-7-31 11447 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC98664  Trifolium longipes subsp. oreganum Cara Witte 2008-7-2 821 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  JEPS65975  Trifolium microcephalum Lincoln Constance 1934-5-23 609 Humboldt above Look Prairie (se slope of mtn); South Fork Eel River, Bull Creek Region Comment
  UC1197540  Trifolium microcephalum Joseph P. Tracy 1911-7-10 3495 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  RSA322029  Trifolium microdon John M. Gillett, A. G. Moulds, George W. Gillett 12607 Humboldt Trinidad. Comment
  HSC45145  Trifolium microdon R. Sutherland 1978-5-24 3 .24578 Humboldt Mckee Flat 287 Comment
  RSA195475  Trifolium microdon C. R. Gunn 1963-6-2 2690 Humboldt Two miles SE of Arcata Comment
  UC1103444  Trifolium oliganthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3609 Humboldt near Hydesville; Northern Coast Region Comment
  UC906700  Trifolium oliganthum Joseph P. Tracy 1942-5-16 11548 Humboldt Garberville vicinity 152 Comment
  UC1541586  Trifolium pratense W. K. Parks July 1932 Humboldt near Trinidad (fields) Comment
  UC165581  Trifolium repens Harley P. Chandler May, 1902 1092 Humboldt Scotia North Coast Ranges 60 Comment
  UCSC000416  Trifolium variegatum H. S. Yates 1936-6-18 5733 Humboldt 2 miles N. of Big Lagoon - Rocky Pt. 30 Comment
  UC1223527  Trifolium variegatum var. melananthum Joseph P. Tracy 1937-6-13 15331 1/2 Humboldt opposite Willow Creek; Trinity River Valley Comment
  UC1223543  Trifolium variegatum var. pauciflorum Joseph P. Tracy 1933-5-20 12241 Humboldt Petrolia Northern Coast Ranges, Mattole Valley Comment
  SEINET12156847  Trifolium variegatum var. pauciflorum J. P. Tracy 1935-1 13815 Humboldt at Eureka 61 Comment
  UC165592  Trifolium variegatum var. variegatum Harley P. Chandler May, 1901 1169 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC1197563  Trifolium variegatum var. variegatum Joseph P. Tracy 1927-6-5 8103 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC160945  Trifolium variegatum var. variegatum J. P. Tracy 1907-7-10 2587 Humboldt Eureka vicinity 0 Comment
  UC1223313  Trifolium willdenovii Joseph P. Tracy 1950-5-6 18640 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC16825  Trifolium wormskioldii Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5600 Humboldt Arcata Comment
  RSA639406  Trifolium wormskioldii Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-7 35225 b Humboldt Samoa Peninsula. 3 Comment
  HSC90318  Triglochin concinna Jean Hanson 1981-5-10 138 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  CAS-BOT-BC451810  Triglochin maritima Robert F. Thorne; P. Everett 1965-8-9 35303 Humboldt Big Lagoon 3 Comment
  HSC89895  Triglochin maritima Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  HSC100504  Triglochin maritima Carl C. Marshall Jul 1886 230 Humboldt Salt marshes, etc. Comment
  UC1100175  Triglochin maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1169 Humboldt 1 mi s Fields Landing; Eel River Valley Comment
  SEINET10745910  Triglochin striata J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13019 Humboldt North of McKinleyville off U.S. 101 (a few kilometers north of Eureka), Clam Beach County Park. Comment
  HSC15689  Trillium kurabayashii K. P. St. John 1965-4-24 43 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  HSC96775  Trillium kurabayashii M. Mesler 2006-6-6 609 Humboldt 1.2 mi. SE of intersection of USFS Rd. 8N01 and Box Camp loop 1524 Comment
  HSC32140  Trillium ovatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5608 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC47579  Trillium ovatum Sheila Logan 1978-4-10 175 Humboldt Redwood Park behind HSU campus Comment
  POM117306  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC1197817  Trillium ovatum Joseph P. Tracy 1932-7-16 10632 Humboldt woods near Corral Prairie Corral Prairie; Trinity Summit 1584 Comment
  UC275520  Trillium ovatum Joseph P. Tracy 1923-4-15 6186 Humboldt Redwood Creek at Berry's; Northern Coast Ranges, Redwood Creek 274 Comment
  SEINET10275320  Trillium ovatum Unknown 1923-3-17 6153 Humboldt in redwood grove & near Garberville; alt 400ft. Comment
  UC1197822  Trillium ovatum Joseph P. Tracy 1923-3-17 6153 Humboldt near Garberville Garberville; Northern Coast Ranges 121 Comment
  UCD19981  Trillium ovatum C. H. Lamoureux; R. Gankin 1956-3-17 1042 Humboldt Near southern boundary of Jensen Grove, on Hwy 101 between Meyers and Miranda. Comment
  UC34823  Triodanis perfoliata Harley P. Chandler June, 1901 1514 Humboldt Klamath River; North Coast Ranges, Klamath River 426 Comment
  JEPS10700  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1932-5-1 9888 Humboldt vicinity Garberville 121 Comment
  SBBG68597  Triphysaria eriantha subsp. eriantha S. W. Hutchinson -Apr-1927 Humboldt Eureka 8 Comment
  UC1222434  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1927-5-8 7984 Humboldt vicinity Garberville; vicinity of Garberville 121 Comment
  JEPS2674 Image available Triphysaria eriantha subsp. eriantha Jos. P. Tracy 1901-5-18 2035 Humboldt Sandhills Humboldt Bay, Eureka; Eureka, Humboldt Bay Comment
Read comments
Oct 16 2007
  UC168980  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1249 Humboldt Bair's Ranch on Redwood Creek 152 Comment
  HSC97620  Triphysaria pusilla Cara Witte 2007-6-4 200 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC146243  Triphysaria pusilla J. P. Tracy 1905-4-16 2167 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCR39973  Triphysaria pusilla L. P. Janeway 1984-5-13 772 Humboldt Along Kneeland/Bridgeville Road c. 11 mi east of Post Office 715 Comment
  HSC32371  Triphysaria versicolor subsp. versicolor Linda M. Barker 1974-5-19 197 Humboldt Arcata, Samoa Blvd., 200 yards E of Hwy. Patrol Station, median divider Comment
  UC1011929  Triphysaria versicolor subsp. versicolor F. W. Pennell and J. P. Tracy 1940-7-8 26108 Humboldt e Eureka (Freshwater); Freshwater 9 Comment
  UC526692  Trisetum canescens Joseph P. Tracy 1932-7-16 10614 Humboldt Corral Prairie; Klamath Mountains 1524 Comment
  HSC33515  Trisetum cernuum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5713 Humboldt McKeown Ranch, N of Dinsmore Comment
  UCD93905  Trisetum cernuum A. H. Murphy 1951-5-15 37 Humboldt Toston Ranch, 3 miles west of Miranda. Comment
  UC15030  Triteleia bridgesii Mrs. M. H. Manning 1901-5-22 1 Humboldt Hupa Valley Comment
  UC146193  Triteleia hyacinthina Joseph P. Tracy 1908-6 2805 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  UC421775  Triteleia hyacinthina P. E. Goddard 1907-5-29 C. 108 Humboldt Van Duzen Comment
  UC666898  Triteleia laxa Joseph P. Tracy 1930-7-27 8897 Humboldt Bear River Ridge 609 Comment
  OBI17879  Tsuga heterophylla Wallace Weber, John C. Cooke, D. J. Pinkava, & David J. Keil 1969-8-19 2213 Humboldt 24.9 mi W of Humboldt County line on Rte 299 Comment
  RSA648962  Tsuga heterophylla David J. Keil 1983-7-2 17305 Humboldt Freeway exit from US 101 at Patrick s Point. Comment
  UC153975  Typha latifolia Joseph P. Tracy 1910-10-8 3168 Humboldt region about Humboldt Bay Brainard's Point; Northern Coast Region, region about Humboldt Bay 0 Comment
  CAS-BOT-BC91108  Umbellularia californica Doris K. Kildale 1927-8-16 2515 Humboldt Upper Willow Creek Flat - Trinity River Valley. 152 Comment
  HSC60134  Urtica dioica subsp. gracilis M. A. Baker 1977-5-1 277 Humboldt E of Humboldt State University. Comment
  HSC62761  Urtica dioica subsp. gracilis J. M. DiTomaso 1979-4-21 889 Humboldt 50 yds. from Little River, 200 yds. from beach, 11 mi. N of Arcata. Comment
  CAS-BOT-BC193962  Vaccinium cespitosum Doris K. Kildale 1927-7-10 3725 Humboldt Gans Prairie, Bald Hills Comment
  HSC39935  Vaccinium cespitosum J. O. Sawyer 1970-6-24 2285 Humboldt Near Waterdog Lakes 1860 Comment
  UC198709  Vaccinium cespitosum J. P. Tracy 1906-4-22 2415 Humboldt immediate vicinity Eureka; , Ricks Prairie 0 Comment
  CAS-BOT-BC199318  Vaccinium ovatum Joseph P. Tracy 1948-10-24 18257 Humboldt Near Fruitland 304 Comment
  JEPS66687  Vaccinium ovatum Lincoln Constance 1934-5-31 758 Humboldt from w boundary of Park to Grasshopper Peak (Squaw Creek) rd. (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  UC630486  Vaccinium ovatum H. E. and S. T. Parks Apr 1937 5638 Humboldt Spruce Cove Trinidad Comment
  UCD166887  Vaccinium ovatum Colleen Rossier 2016-9-16 5 Humboldt In vicinity of Rosaleno Creek, plot Rosaleno #1. 601 Comment
  UCD166890  Vaccinium ovatum Colleen Rossier 2016-9-17 8 Humboldt Sunny Ridge Road, plot Sunny Ridge Red. 579 Comment
  JEPS58705  Vaccinium parvifolium W. L. Jepson 1902-6-24 1926 Humboldt Korbel to Angel's Ranch Comment
  HSC102134  Valeriana sitchensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1038 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  RSA30602  Valeriana sitchensis subsp. scouleri Lincoln Constance, R. C. Rollins 1942-5-11 2867 Humboldt 3 miles W of East Fork of Willow Creek. Comment
  POM118508  Vancouveria hexandra Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC1541238  Vancouveria hexandra Harold E. Parks May 1933 4288 Humboldt near Trinidad; near Trinidad Comment
  HSC31136  Vancouveria planipetala J. O. Sawyer 1970-6-24 2267 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  UCD95107  Vancouveria planipetala D. Sanchez-Mata 1996-6-28 s.n. Humboldt Willow Creek. 650 Comment
  HSC32234  Velezia rigida J. O. Sawyer 1970-6-24 2248 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC429307  Veratrum californicum var. californicum P. E. Goddard 1906-6 690 Humboldt Lassick Pk. Comment
  JEPS86091  Veratrum californicum var. californicum Wayne Roderick 1966-6-28 Humboldt 9 mi e Bridgeville 609 Comment
  RSA12516  Veratrum insolitum Carl B. Wolf 1934-7-3 5920 Humboldt 9.5 miles form Martins Ferry on Orick Road. 305 Comment
  HSC102165  Veratrum viride M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1075 Humboldt Patterson Meadows 1566 Comment
  SD90171  Verbascum blattaria Benjamin C. Stone 1952-6-20 108 Humboldt Open woodland, 8 miles south of Garberville on U.S. 101 Comment
  HSC21190  Veronica americana C. B. Wolf 1927-8-22 774 Humboldt Big Lagoon Comment
  HSC78984  Veronica peregrina subsp. xalapensis L. P. Janeway 1984-5-16 796 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. NW of the boat ramp 3 Comment
  CHSC53307  Veronica scutellata L. P. Janeway 1984-5-16 795 Humboldt On the North Spit of Humboldt Bay; on the west side of Samoa Rd and ca 1/4 mile northwest of the boat ramp. 3 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
  HSC58157  Vicia americana var. americana G. L. Clifton, Griswold 1979-8-2 12211 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC32913  Vicia americana var. truncata Thomas W. Nelson, James Nelson 1973-5-28 962 Humboldt McKeown Ranch N of Dinsmore Comment
  UCR122381  Vicia benghalensis George K. Helmkamp, E. A. Helmkamp 2001-7-8 7003 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  POM68420  Vicia gigantea Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA138213  Vicia gigantea Volney Rattan 1880-1 s.n. Humboldt Mad River Comment
  RSA34309  Vicia hirsuta C. Kistner 1935-5-5 s.n. Humboldt Arcata Comment
  RSA168915  Vicia hirsuta Joseph P. Tracy 1944-6-10 17474 Humboldt Eureka. Comment
  POM92410  Vicia sativa L. R. Abrams 1922-6-25 8238 Humboldt 2 miles south of Fortuna Comment
  UC1222587  Vicia tetrasperma Joseph P. Tracy 1948-8-7 18083 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  HSC21763  Viola adunca Doris K. Kildale 1926-3-27 1662 Humboldt Gans Prairie - Bald Hills Comment
  HSC21772  Viola adunca T. M. Mingo May 1965 Humboldt W of College Cove Comment
  RSA77779  Viola adunca F. W. Peirson 1926-7-12 7028 Humboldt West slope of Coast Range back of Orick. Comment
  UC1198429  Viola adunca Joseph P. Tracy 1918-4-14 4872 Humboldt s end of Dows Prairie; Northern Coast Ranges 30 Comment
  HSC38515  Viola cuneata D. E. Anderson, J. P. Smith 1971-6-18 - 1085 Humboldt Horse Mtn. Comment
  HSC85894  Viola cuneata Barry Silver 1986-4-13 512 Humboldt Bair Road, 6.4 mi. WSW of Hoopa Comment
  RSA256721  Viola cuneata D. E. Anderson 1972-6-20 5749 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  UC1762591  Viola cuneata Harley P. Chandler Jun 1901 1297 - Humboldt Hupa Indian Reservation North Coast Ranges 609 Comment
  HSC39625  Viola glabella Thomas W. Nelson, Jane P. Nelson 1976-6-15 2729 Humboldt Along old trail from look out to Blocksburg 1585 Comment
  HSC71038  Viola glabella Thomas W. Nelson 1977-4-20 3330 Humboldt Along USFS Road 1N15 at summit 915 Comment
  UC1761601  Viola glabella H. E. Parks 1924-8-9 2447 Humboldt Carlotta Comment
  CAS-BOT-BC536493  Viola glabella Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC536496  Viola glabella A. M. Vollmer; L. Beane 1951-6-8 134 Humboldt Grizzly Camp, State Hwy 36 Comment
  HSC97173  Viola glabella Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 11 Humboldt 1 mi. E of Hwy. 299 on F.S. Rd. NF1; Grouse Mtn. Meadow 1585 Comment
  HSC21866  Viola hallii W. Lanphere 1937-5-11 Humboldt Hoopa Comment
  HSC21804  Viola hallii D. E. Anderson 1967-6-10 4367 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  HSC70321  Viola ocellata M. A. Baker 1980-6-7 1872 Humboldt Near Ammon Creek 732 Comment
  POM286593  Viola ocellata Lyman D. Benson 1928-7-11 403 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  HSC62755  Viola odorata J. M. DiTomaso 1979-4-21 903 Humboldt Above cliffs at Elk Head just N of Trinidad Comment
  SEINET201005 Image available Viola palustris J. P. Tracy 1904-7-31 2126 Humboldt Eureka 61 Comment
  UCR45417  Viola praemorsa subsp. praemorsa Pearson, Anderson, Flinn 1986-4-19 210 Humboldt Horse Mountain; 3 miles up Titlow Hill Rd. off Hwy 299 1434 Comment
  RSA77739  Viola purpurea subsp. purpurea Joseph P. Tracy 1930-6-8 8730 Humboldt Kneeland Prairie. 762 Comment
  HSC21857  Viola sempervirens D. E. Anderson 1962-2-10 1915 Humboldt 1.0 mi. S of Big Lagoon school along abandoned stretch of Hwy. 101 Comment
  UCD111294  Viola sempervirens Joseph M. DiTomaso 1976-3-28 353 Humboldt Highway 299, W side of Lord Ellis Summit. 762 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
  POM92419  Vitis californica L. R. Abrams 1922-6-25 8220 Humboldt 6 miles N of Garberville Comment
  HSC9834  Vulpia bromoides W. F. Nickel 1965-3-17 Humboldt HSU campus, behind wildlife building Comment
  HSC47614  Vulpia microstachys J. P. Smith 1977-4-23 9030 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  RSA226620  Vulpia microstachys D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5056 Humboldt Along road from Redwood Creek to Hoopa, ca. 1-3 miles west of Hoopa. 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
  UCD94573  Vulpia microstachys var. pauciflora A. H. Murphy 1951-6-1 54 Humboldt South Fork Mtn. about 3 miles east of Low Gap. 822 Comment
  HSC70744  Vulpia myuros R. York 1980-5-17 539 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC128811  Whipplea modesta Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  HSC20447  Whipplea modesta J. W. Johnson 1962-4-22 1280 Humboldt Willow Creek along the Hwy. on the canyon slope W of town Comment
  HSC97495  Whipplea modesta Cara Witte 2007-5-29 133 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1251 Comment
  CAS-BOT-BC77813  Woodwardia fimbriata Doris K. Kildale 1926-8-8 2451 Humboldt Bull Creek Flat Comment
  UC1223300  Wyethia angustifolia Joseph P. Tracy 1950-9-10 19357 Humboldt Bear River Ridge 609 Comment
  CAS-BOT-BC326979  Wyethia longicaulis Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  HSC99010  Wyethia longicaulis Cara Witte 2008-7-1 778 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  UC604675  Wyethia longicaulis Joseph P. Tracy 1938-7-7 16041 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC326977  Wyethia longicaulis Volney Rattan 1881-6-1 s.n. Humboldt North of Mad River Comment
  SDSU11985  Xerophyllum tenax D. F. Howe 1961-8-2 3123 Humboldt 24 miles east of Orick on Bald Mt. road. 914 Comment
  UC154242  Yabea microcarpa Joseph P. Tracy 1906-5-13 2454 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  UC20894  Yabea microcarpa Harley P. Chandler June, 1901 1315 Humboldt Hupa Indian Reservation; North Coast Ranges 152 Comment
  HSC13443  Zizania palustris var. interior Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment



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