Search Results — 2000 specimen records retrieved (1364 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC99822  Abies concolor T. Jimerson, J. Pageau 1979-8-10 715 Humboldt Near Tish Tang A Tang Ridge 1463 Comment
  RSA54126  Abies concolor Henry M. Pollard 1944-09 s.n. Humboldt Near Orleans. Comment
Read comments
Oct 1 2019
  CAS-BOT-BC78060  Abies grandis Doris K. Kildale 1926-11-27 2841 Humboldt Alton Hill 45 Comment
  CHSC19504  Abies grandis Wendell Wood 1970-10-7 305 Humboldt Mckinleyville. East end of Chateau Way. 106 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
  HSC38927  Abronia latifolia Linda M. Barker 1976-5-13 1490 Humboldt 3 mi. W of Arcata. Comment
  HSC62997  Abronia latifolia David Wheeler 1979-5-10 103 Humboldt Mad River Beach County Park .25 mi. NW of parking lot Comment
  RSA15561  Abronia latifolia Carl B. Wolf 1927-8-29 1211 Humboldt Devils Gate, S of Cape Mendocino Comment
  RSA0025085  Abronia latifolia Patricia Wilder 1968-8-21 4402 Humboldt Northern coastal arm of Humboldt Bay, ca. 2 miles SW of Samoa, near bay by roadside. Humboldt Bay drainage area. 5 Comment
  SEINET5011048  Abronia latifolia Unknown 2002-8-19 83 Humboldt Sand beach N of rocky promontory and coast guard station. Comment
  UC665677  Abronia umbellata subsp. breviflora H. E. Parks 1941-9-1 24212 Humboldt mouth of Little River Comment
  HSC104082  Acacia melanoxylon J. St. Marie 2002-3-24 Humboldt Manila; Peninsula Drive; grove adjacent to maritime forest Comment
  UC1360497  Acaena novae-zelandiae D. W. Cooper 1966-10-10 Humboldt On ridge just southeast of Forest Service Nursery, ca. 2 miles southeast of Crannell and ca. 4 miles east of U.S. Hwy. 101. Comment
  UC165810  Acer circinatum J. P. Tracy 1906-4-15 2406 Humboldt near mouth Lindsey Creek (Mad River); , near mouth of Lindsey Creek 30 Comment
  CHSC19499  Acer macrophyllum H. S. Logsdon 1964-5-10 8 Humboldt 4.0 mi. N.E. of Orick at Boye's Prairie. Comment
  HSC2814  Acer macrophyllum Elrid H. Spinas 1948-6-16 61 Humboldt Horse Mtn. Comment
  SDSU297  Acer macrophyllum L. N. Harvey 1930-9-27 Humboldt Eel River Comment
  UC1199012  Acer macrophyllum Joseph P. Tracy 1912-3-31 3569 Humboldt near mouth Lindsey Creek (Mad River); Northern Coast Ranges, Mad River 30 Comment
  UCSB28371  Acer macrophyllum Phelps, M. 1972-3-22 Humboldt 2 mi. south of Old Briceland Bridge along Eel River, 300 yds. from shore. 182 Comment
  CDA9169  Achillea millefolium T. C. Fuller 1958-6-17 613 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  SEINET6700495 Image available Achillea millefolium H. E. Parks, S. T. Parks 24246 Humboldt Egg Point, Trinidad 122 Comment
  HSC61059  Achlys triphylla Jimerson, J. Pageau 1979-6-12 534 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  HSC3331  Achlys triphylla Doris K. Kildale 1926-4-2 1716 Humboldt Briceland Bridge Comment
  UC526666  Achnatherum lemmonii Joseph P. Tracy 1927-5-14 8000 Humboldt near south fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC552773  Achnatherum lemmonii H. E. Parks and Joseph P. Tracy 1934-6-27 11053 Humboldt Grouse Mt. 1432 Comment
  UCD50521  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19598 Humboldt At Board Camp Mountain, north side, at extreme head of Redwood Creek Comment
  UC581802  Achyrachaena mollis Joseph P. Tracy 1932-6-26 10271 Humboldt Fort Baker Ranch 762 Comment
  HSC73766  Aconogonon davisiae Gail Newton 1980-7-24 1772 Humboldt Near Somes Mtn. 1615 Comment
  RSA18020  Adenocaulon bicolor Carl B. Wolf 1927-8-21 s.n. Humboldt In Stephen's Grove Comment
  CAS-BOT-BC62289  Adiantum aleuticum T. G. W. 1924-7-1 s.n. Humboldt Arcata Comment
  HSC39158  Adiantum aleuticum D. E. Anderson, J. P. Smith 1971-6-28 - 1250 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC5642  Ageratina occidentalis J. P. Tracy 1922-7-15 6101 Humboldt Along Mad River, near Blue Lake Comment
  HSC57997  Ageratina occidentalis G. L. Clifton, Griswold 1979-7-31 11763 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC102242  Ageratina occidentalis Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  POM54273  Ageratina occidentalis P. E. Goddard 1906-06 638 Humboldt North fork of Eel River Comment
  UCD128596  Agoseris grandiflora Joseph P. Tracy 1949-6-25 18344 Humboldt 1 mile west of Mud Springs (to Box Camp on west slope of Trinity Summit). Comment
  UC1125463  Agoseris grandiflora var. grandiflora H. L. Person 1932-7-20 19459 Humboldt Fieldbrook Eureka Quadrangle, Fieldbrook Comment
  UC249885  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1923-7-4 6522 Humboldt s South Yager Creek 762 Comment
  UC164894  Agoseris grandiflora var. leptophylla J. P. Tracy 1904-7-4 2109 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC15343  Agoseris heterophylla Alice Eastwood; John Thomas Howell 1937-6-23 4810 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC15348  Agoseris heterophylla J. P. Tracy 1906-5-13 2455 Humboldt Sand hills of Ocean Beach at Samoa, opp. Eureka Comment
  JEPS79803  Agoseris heterophylla Joseph P. Tracy 1933-5-30 12417 Humboldt (near Garberville) Redway 152 Comment
  UC169332  Agoseris heterophylla var. heterophylla Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3625 Humboldt near, (hillside between Hydesville and Alton) Hydesville; Northern Coast Ranges, Alton 30 Comment
  UC582743  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1927-5-14 3030 A Humboldt at Willow Creek; Trinity River Valley 152 Comment
  UC249886  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6283 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  HSC40827  Agoseris retrorsa Thomas W. Nelson, James Nelson 1976-7-26 3042 Humboldt Along ridge NE of Mt. Lassic (Signal Peak) 1707 Comment
  SEINET3134343  Agrostis J. B. Davy, W. C. Blasdale 1899-6-13 5521 Humboldt Near Pepperwood Comment
  UC249861  Agrostis alba Joseph P. Tracy 1924-8-17 6819 Humboldt wet places in woods Northern Coast Ranges, Trinidad 60 Comment
  UCD51860  Agrostis capillaris A. H. Murphy 1947-8-5 s.n. Humboldt McComb Ranch, Bald Hills, 7-8 miles SE of Orick. Comment
  CAS-BOT-BC127279  Agrostis exarata Joseph P. Tracy 1927-6-19 8193 Humboldt Northern Coast Region. Big Lagoon. 6 Comment
  CAS-BOT-BC127289  Agrostis exarata H. S. Yates 1936-6-16 5664 Humboldt 1 mile southwest of Samoa. 6 Comment
  HSC99507  Agrostis exarata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 167 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
  RSA10027  Agrostis exarata Joseph P. Tracy 1932-7-14 10550 Humboldt Corral Prairie 1524 Comment
  UC1145060  Agrostis exarata Joseph P. Tracy 1948-9-5 18194 Humboldt at head of, in fir woods Little Hors-Linto Creek; Trinity Summit, Grizzly Camp 1341 Comment
  UC34115  Agrostis exarata Joseph Burtt Davy and Walter C. Blasdale 1899-5 6216 Humboldt Eureka Comment
  UCD52494  Agrostis exarata Joseph P. Tracy 1935-7-21 14111 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC139496  Agrostis hallii Henry M. Pollard 1948-7-19 s.n. Humboldt River Road, Orleans to Red Cap Creek. Comment
  CAS-BOT-BC139497  Agrostis hallii Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  UC187118  Agrostis hallii Joseph P. Tracy 1911-7-4 3288 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity 182 Comment
  UCD52719  Agrostis hallii Joseph P. Tracy 1938-7-4 15983 Humboldt valley of South Yager Creek. 762 Comment
  CHSC114091  Agrostis idahoensis Jennifer Buck; Danielle Roach 2009-8-19 SFM 06 C Humboldt Kerlin Fen, South Fork Mountain; UTM Zone 10N, 453899E, 4494304N. 1633 Comment
  HSC58832  Agrostis pallens Overton, Butler 1979-8-2 12693 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS75413  Agrostis viridis W. L. Jepson 1932-7-26 16410 Humboldt Bull Creek 106 Comment
  HSC33763  Aira caryophyllea John S. Palmer 1975-5-24 369 Humboldt Off Samoa Blvd., across from boat landing Comment
  SACT000322  Aira caryophyllea D. Shillingbury 1963-5-11 Humboldt sea level, coastal plain, coastal strand Comment
  UC1103297  Aira caryophyllea Joseph P. Tracy 1923-6-24 6359 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1103300  Aira caryophyllea Joseph P. Tracy 1914-7-5 4553 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC526681  Aira caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC726346  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt 10 mi s Dyerville; Humboldt Camp Comment
  CAS-BOT-BC138331  Aira caryophyllea var. caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Northern Coast Region. Big Lagoon. 6 Comment
  HSC8870  Aira praecox H. E. Parks 1938-6-20 24111 Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC460748  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
  SEINET12044091  Allium amplectens C. C. Harris, Harris, S. K. 1936-1 645 Humboldt at point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River 710 Comment
  HSC98522  Allium bolanderi var. bolanderi Cara Witte 2007-7-8 435 Humboldt Board Camp Mountain. Pack trail 4E26. 1491 Comment
  HSC102062  Allium campanulatum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 964 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC74089  Allium falcifolium Gail Newton 1980-6-28 679 Humboldt Near Mad River Butte 1536 Comment
  UCR39798  Allium falcifolium D. K. Imper 1982-7-1 s.n. Humboldt Six Rivers National Forest. Lassics Lookout & road to Pine Mtn. 1524 Comment
  HSC82040  Allium falcifolium Thomas W. Nelson, James Nelson 1980-6-10 5407 Humboldt Along Swayback Ridge 4-wheel drive rd. 2.5 mi. N of the junction with USFS rd. 1S07 1463 Comment
  UC30070  Allium falcifolium Joseph Burtt Davy 1899-6-19 5659 Humboldt summit of ridge, Hoopa Mt. Hoopa Mt. Comment
  HSC67211  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-7-10 5440 Humboldt Along branch rd. off Swayback Ridge Rd., 0.5 mi. E of junction 1372 Comment
  HSC81792  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5935 Humboldt Along old trail to pond, 0.5 mi. N of Alder Spring 1555 Comment
  UC15004  Allium membranaceum Mrs. M. H. Manning 1901-7-14 3 Humboldt trail below Mud Springs; Hupa Comment
  HSC56339  Allium serra Griswold, Butler 1979-7-10 6224 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  CDA18808  Allium triquetrum P. Haggard 2000-2-22 PDR 018177 Humboldt Glen St., Eureka. 0 Comment
  CAS-BOT-BC476626  Allium unifolium A. M. Vollmer; L. Beane 1951-6-11 138 Humboldt Horse Mountain-Shelter Cove Road Comment
  CAS-BOT-BC476627  Allium unifolium Carl B. Wolf 1937-8-11 8900 Humboldt Fleener Creek, 1/2 mi. so. of Centerville. 45 Comment
  SEINET12050176  Allium unifolium F. H. Utech 1986-1 86 -389 Humboldt ca 5 mi N of Shelter Cove Road on Kings Peak Road, near Tolkan Recreation Area 480 Comment
  HSC78649  Allium validum D. K. Imper 1982-7-23 1480 Humboldt Near Onion Lake. 1371 Comment
  JEPS59052  Allotropa virgata W. L. Jepson 1902-7-25 2117 Humboldt Trinity Summit Comment
  POM160903  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6574 Humboldt North Dobbyn Creek. 152 Comment
  UC249711  Alnus rhombifolia Joseph P. Tracy 1922-1-15 5983 Humboldt 4 mi above Carlotta; Northern Coast Ranges, Van Duzen River 30 Comment
  CAS-BOT-BC169539  Alnus rubra Carl B. Wolf 1931-8-28 2365 Humboldt Road-cut slope, Redwood Highway, 4 1/2 miles N of Fortuna on road to Eureka 15 Comment
  HSC99634  Alnus rubra Will Ferrand 2002-4-27 28 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  LA204089  Alnus rubra C. B. Wolf; 1930-10-26 1767 Humboldt S edge of Big Lagoon, near Redwood Highway Bridge 9 Comment
  SEINET186039  Alnus rubra H. E. Parks, ST Parks 1938-4-1 24126 Humboldt Spruce Cove Trinidad 61 Comment
  UCSC000176  Alnus rubra G. T. Nordstrom 1933-6-30 1425 Humboldt 1 mile N.N.E. of Orick 3 Comment
  CAS-BOT-BC169377  Alnus viridis subsp. sinuata Joseph P. Tracy 1930-7-16 9080 Humboldt Cool damp place along stream. S Fork Mountain, near McKay Camp 1676 Comment
  RSA46662  Alnus viridis subsp. sinuata Doris K. Kildale 1937-9-26 15377 Humboldt Snow Camp. Comment
  RSA152528  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt Salmon Creek Valley, at south end of Humboldt Bay. 15 Comment
  UC526745  Alopecurus geniculatus Joseph P. Tracy 1926-6-12 7589 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  RSA129279  Alopecurus pratensis H. L. Person 1932-5-11 19401 Humboldt Redwood Highway, Arcata o Eureka. 0 Comment
  JEPS27131  Alopecurus saccatus Joseph P. Tracy 1912-7-21 3780 Humboldt Alton Northern Coast Region, Alton 30 Comment
  CAS-BOT-BC13705  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  CAS-BOT-BC13706  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt At mouth of Little River Comment
  CAS-BOT-BC13710  Ambrosia chamissonis Carl B. Wolf 1927-8-29 1213 Humboldt Devil's Gate, south of Cape Mendocino. Comment
  HSC38343  Ambrosia chamissonis Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  HSC91929  Ambrosia chamissonis E. Mackey 1987-10-9 Humboldt Patricks Point State Park; Agate Beach Comment
  CAS-BOT-BC142883  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1926-9-5 2629 Humboldt Lasseck's Peaks between Corral Camp & Red Peak 1676 Comment
  CAS-BOT-BC143015  Amelanchier utahensis Joseph P. Tracy 1946-7-13 17618 Humboldt Carlotta, open flat by old Strong's District School House, 5 miles east of town. 60 Comment
  UC666831 Image available Amelanchier utahensis Joseph P. Tracy 1933-6-13 12573 Humboldt Hoopa Mountain; near summit on road from Hoopa w to Bair's 1066 Comment
  HSC8841  Ammophila arenaria J. W. Bosworth 1965-5-20 54 Humboldt .25 mi. S of Samoa on the Samoa Rd. Comment
  HSC67040  Anaphalis margaritacea J. P. Smith 1971-10-9 5043 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC91928  Anaphalis margaritacea E. Mackey 1986-7-21 Humboldt Patricks Point State Park; Palmer's Point Comment
  CAS-BOT-BC391786  Anemone deltoidea Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4 1/2 miles east of Orick Comment
  HSC102001  Anemone deltoidea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 902 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC502926  Anemone deltoidea Joseph P. Tracy 1932-7-13 10489 Humboldt near Corral Prairie (Trinity Summit); Klamath Mtns, Trinity Summit 1524 Comment
  CAS-BOT-BC391776  Anemone deltoidea Volney Rattan 1883-6-5 s.n. Humboldt Near Eureka Comment
  CAS-BOT-BC391787  Anemone deltoidea Joseph P. Tracy 1932-7-13 10489 Humboldt Klamath Mountains, Trinity Summit. Woods near Corral Prairie 1524 Comment
  CAS-BOT-BC391870  Anemone grayi Doris K. Kildale 1928-5-1 5984 Humboldt MacLellan Mountain 914 Comment
  UC1103417  Angelica genuflexa Joseph P. Tracy 1936-8-17 15148 Humboldt 2 mi s of Fields Landing (around Humboldt Bay, at Still Ranch); Northern Coast Region, Still Ranch 6 Comment
  UC582654  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  JEPS14236  Angelica genuflexa Joseph P. Tracy 1940-9-26 16725 Humboldt Near south city limits Eureka. 6 Comment
  HSC79537  Angelica hendersonii Kenneth Clark 1979-7-1 457 Humboldt Dead Man's Gulch 12 Comment
  UC183691  Angelica hendersonii Joseph P. Tracy 1912-7-21 3764 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  UC1197376  Angelica hendersonii H. E. Parks and Joseph P. Tracy 1924-8-3 6740 Humboldt Northern Coast Ranges, Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 152 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
  HSC99547  Angelica tomentosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 212 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC271499  Anisocarpus madioides L. R. Abrams 1916-7-11 6017 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  HSC32840  Anisocarpus madioides Thomas W. Nelson, James Nelson 1973-5-28 946 Humboldt McKeown Ranch N of Dinsmore Comment
  UC169316  Anisocarpus madioides Joseph P. Tracy 1908-6 2878 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC175968  Anisocarpus madioides Joseph P. Tracy 1911-6-4 3213 Humboldt 5 mi from coast (along Little River); Northern Coast Region, Little River 121 Comment
  HSC5979  Anisocarpus madioides H. E. Parks, J. P. Tracy 1934-7-6 5103 Humboldt Cameron Hill, Kneeland 610 Comment
  HSC39226  Antennaria suffrutescens D. E. Anderson, J. P. Smith 1971-7-6 1287 Humboldt Horse Mtn. Comment
  HSC41291  Antennaria suffrutescens Brad Klipfel 1974-7-27 489 Humboldt Horse Mtn. Comment
  UC582631  Anthemis arvensis Joseph P. Tracy 1937-10-3 15691 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC289123  Anthoxanthum occidentale Richard R. Halse 1996-3-26 5020 Humboldt At junction of Bald Hills Road adn Holter Ridge Bike Route, 11 miles SE of U.S. Hwy. 101, Redwood National Park 708 Comment
  SEINET11682981  Anthoxanthum occidentale K. S. Erdman 1970-1 4797 Humboldt Cal-Barrow Road 3 mi E of US 101 at E boundary of Prairie Creek State Park (Redwood N.P.) Comment
  HSC8945  Anthoxanthum odoratum E. W. Styskel 1964-4-28 73 Humboldt End of Davis Sreet, at edge of Eel River in Rio Dell Comment
  UC1103320  Anthoxanthum odoratum Joseph P. Tracy 1926-4-17 7412 Humboldt Northern Coast Ranges, Eurek Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC1152030  Anthoxanthum odoratum Joseph P. Tracy 1951-6-26 19548 Humboldt Snow Camp Meadow Comment
  UC589908  Anthoxanthum odoratum H. S. Yates 1936-6-18 5736 Humboldt 2 mi n of Big Lagoon 30 Comment
  UCD56165  Anthoxanthum odoratum A. H. Murphy 1948-5-3 s.n. Humboldt 1.5 mile north of Loleta, Table Bluff, H. Perrott's Ranch. Comment
  UC582468  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1936-6-27 16003 Humboldt Miranda 91 Comment
  RSA249385  Antirrhinum vexillocalyculatum subsp. breweri Paul W. Shields 1955-9-25 s.n. Humboldt 17 mi. SE Willow Creek. Comment
  RSA54142  Antirrhinum vexillocalyculatum subsp. breweri H. M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  UC162567  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1911-7-10 3482 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 243 Comment
  HSC40265  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt 3 mi. W of Arcata Comment
  UCD143195  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC502925  Aquilegia formosa Joseph P. Tracy 1932-7-13 10504 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC31631  Aquilegia formosa var. formosa Glenn McGourty 1974-4-27 18 Humboldt 1 mi. from Capetown Bridge Comment
Read comments
May 26 2016
  HSC70390  Arabis breweri var. breweri Gail Newton 1980-6-7 140 Humboldt Near Brush Mtn. 1128 Comment
  HSC58087  Arabis divaricarpa var. interposita G. L. Clifton, Griswold 1979-8-1 11996 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC99487  Arabis glabra var. glabra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 146 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
  HSC99596  Aralia californica Overton, Butler 1979-7-24 14090 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  RSA46725  Aralia californica Doris K. Kildale 1937-9-20 15375 Humboldt Hoopa Comment
  RSA1432  Aralia californica E. R. Johnson 1929-08 616 Humboldt 5 miles S of Weott Comment
  HSC54601  Arbutus menziesii Overton, Butler 1979-7-24 9683 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1198125  Arceuthobium campylopodum J. P. Tracy 1901-6-26 1060 Humboldt on Humboldt HIll Eureka vicinity 0 Comment
  CAS-BOT-BC102206  Arctium minus L. R. Abrams 1927-8-30 12050 Humboldt Scotia Comment
  UC1225903  Arctostaphylos X candidissima Joseph P. Tracy 1947-7-9 17861 Humboldt Horse Mountain 1432 Comment
  SDSU1488  Arctostaphylos canescens D. F. Howe 1965-8-12 4129 Humboldt 7.9 miles south of Honeydew. 610 Comment
  CAS-BOT-BC23909  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight; P. V. Wells 1986-8-2 6107 Humboldt Horse Mountain Recreation Area. On Summit Road above junction of Titlow Hill Rd. 1402 Comment
  CAS-BOT-BC23726  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12582 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. Summit of barren ridge 1 mile S. of road. 1219 Comment
  CAS-BOT-BC23741  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny 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-BC23786  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13134 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  CAS-BOT-BC23817  Arctostaphylos columbiana Joseph P. Tracy 1935-2-9 13710 Humboldt Big Lagoon 30 Comment
  CHSC63763  Arctostaphylos columbiana Walter Knight; Irja Knight 1988-9-5 6363 Humboldt Bald Hill Road about 21.5 miles from U. S. 101 en route to Hoopa. 929 Comment
  UC1198651  Arctostaphylos columbiana Joseph P. Tracy 1936-2-22 13137 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  UC1198661  Arctostaphylos columbiana Joseph P. Tracy 1928-3-4 8403 Humboldt Miranda South Fork of Eel River 121 Comment
  UC397306  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6141 Humboldt Big Lagoon Northern Coast Region; Big Lagoon, Humboldt Co. 6 Comment
  UC585912  Arctostaphylos columbiana Joseph P. Tracy 1932-2-28 9772 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay 60 Comment
  UC585914  Arctostaphylos columbiana Joseph P. Tracy 1934-7-2 13293 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  RSA46459  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1927-3-25 3011 Humboldt Humboldt Hill Comment
  RSA13418  Arctostaphylos columbiana var. tracyi H. E. Parks 1931-3-25 917 Humboldt Near Patrick's point. Comment
  UCD50659  Arctostaphylos columbiana var. tracyi Roman Gankin 1965-8-4 541 Humboldt On USAL Road, 23 miles north of junction with State Route 1 and 2.7 miles south of junction of Four Corners. Comment
Read comments
Jul 8 2015
  UCD51010  Arctostaphylos glandulosa Lincoln Constance 1984-6-15 886 Humboldt Summit of Grasshopper Peak. 975 Comment
  JEPS38975  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1934-7-9 13332 Humboldt ridge 5 mi s Harris (on road towards Bell Springs) 762 Comment
  RSA600893  Arctostaphylos glandulosa subsp. glandulosa L. C. Wheeler 1959-8-1 7621 Humboldt Queens Peak Mine. Comment
  RSA632804  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
  UC32687  Arctostaphylos manzanita subsp. manzanita Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  HSC48822  Arctostaphylos nevadensis Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 33 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC7656  Arctostaphylos nevadensis J. Pursell 1964-10-17 10173 Humboldt Road to Box Camp in Hoopa Valley 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-BC40072  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1918-9-24 s.n. Humboldt Between Redwood and klamath canyons, Bald Hills. Comment
  UC585959  Arctostaphylos patula Joseph P. Tracy 1935-7-14 14063 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC43979  Arctostaphylos uva-ursi Greg de Nevers 2001-4-18 12251 Humboldt Lanphere-Christenson dunes, near Arcata. 9 Comment
  CAS-BOT-BC46793  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17504 Humboldt Eureka 45 Comment
  CAS-BOT-BC47213  Arctostaphylos uva-ursi Doris K Niles 1951-5-1 12 Humboldt Table Bluff Hill, Redwood Highway approximately 1 mi. n. of Loleta. Comment
  UCD52031  Arctostaphylos uva-ursi T. I. Storer 1931-7-1 2217 Humboldt Samoa, Humboldt Co. Comment
  SEINET200929  Aristida oligantha J. P. Tracy 1919-9-15 5222 Humboldt Northern Coast Ranges; valley of Trinity River near mouth of Willoe Creek 152 Comment
  SEINET7253518 Image available Armeria maritima subsp. californica Joseph P. Tracy 1927-1 8115 Humboldt Trinidad 3 Comment
  UCSB15631  Armeria maritima subsp. californica Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa; on peninsula on western side of Humboldt Bay Comment
  HSC71797  Arnica cernua Gail Newton 1980-6-16 168 Humboldt Near Monks Camp. 1097 Comment
  CAS-BOT-BC82433  Arnica discoidea Clarence R. Quick 1959-7-24 59 -31 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC63286  Arnica discoidea M. A. Baker 1979-6-29 955 Humboldt Hopkin's Creek. 760 Comment
  RSA46799  Arnica latifolia Doris K. Kildale 1926-4-25 1808 Humboldt Sugar Bowl Mt. near Hoopa Comment
  CAS-BOT-BC94772  Arrhenatherum elatius R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 832 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air miles N of Mattole Road, about 3 air miles W of Highway 101 243 Comment
  HSC47778  Arrhenatherum elatius Michael A. Watkins 1978-6-10 6 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  UC180348  Arrhenatherum elatius Joseph P. Tracy 1913-6-10 4084 Humboldt near Bridgeville (Northern Coast Ranges, Rogers Ranch); Northern Coast Ranges, Rogers Ranch 243 Comment
  HSC58169  Artemisia douglasiana G. L. Clifton, Griswold 1979-8-2 12240 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  CAS-BOT-BC93858  Artemisia dracunculus Hubert Jenkins 1943-8-1 s.n. Humboldt Near edge of Eel River in sand. Richardson Grove Comment
  CAS-BOT-BC90871  Artemisia pycnocephala Lester Rowntree 1937-8-15 s.n. Humboldt Little River Comment
  UC1409182  Artemisia pycnocephala Robert F. Thorne and P. Everett 1965-8-5 35169 Humboldt Samoa Dunes 3 Comment
  SEINET8734625 Image available Artemisia pycnocephala H. E. Parks, S. T. Parks 1952-1 24495 Humboldt Samoa Comment
  HSC34272  Aruncus dioicus var. acuminatus K. Irwin 1975-8-13 Humboldt Grogans Hole Comment
  UC198579  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  CAS-BOT-BC400529  Asarum caudatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC1103508  Asarum caudatum Joseph P. Tracy 1913-3-30 4033 Humboldt Eureka Comment
  POM92404  Asarum caudatum L. R. Abrams 1922-6-25 s.n. Humboldt North of Mad River near Arcata Comment
  RSA189626  Asarum caudatum Noel Holmgren, James L. Reveal 1966-6-8 2654 Humboldt Coast Range, east of Arcata, 1.5 miles south of Korbel. 274 Comment
  RSA24196  Asarum caudatum C. B. Wolf 1941-3-1 4054 Humboldt 4 mi NE of Strongs Station (Van Duzen River) on Rd. to Yager 152 Comment
  SDSU2540  Asarum caudatum Harvey 1938-8-13 2242 Humboldt Humbolt State Redwood Park. Comment
  SEINET8189642 Image available Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  SEINET8588609  Asarum caudatum J. D. Freeman, R. F. Freeman 1967-5-7 584 Humboldt Moist low bluff just W of Cal. Hwy 36 and just N of Carlotta. Comment
  SEINET8714984 Image available Asarum caudatum Unknown 1936-1 s.n. Humboldt Redwood forest on Yager Road from Carlotta, elevation about 1500 feet, Humboldt County, California. 457 Comment
  HSC3273  Asarum hartwegii Doris K. Kildale 1926-5-2 1876 Humboldt Willow Creek Comment
  HSC56462  Asclepias cordifolia Griswold, Butler 1979-7-12 7257 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC1173688  Asclepias cordifolia Joseph P. Tracy 1939-5-6 16277 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1222672  Asclepias cordifolia Joseph P. Tracy 1950-7-15 19043 Humboldt 1 mi n of mouth Willow Creek (e side of river); Trinity River Comment
  RSA46483  Asclepias fascicularis Doris K. Kildale 1925-9-7 s.n. Humboldt Klamath at mouth of Dillon Cr. 762 Comment
  HSC56338  Asclepias speciosa Griswold, Butler 1979-7-10 6223 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  UC23011  Asclepias speciosa J. Burtt Davy 1899-6-24 5866 Humboldt Hoopa Valley, along the river North Coast Ranges Comment
  SEINET3823300 Image available Aspidium munitum Joseph P. Tracy 1924-8-24 6878 Humboldt East Fork of Willow Creek 457 Comment
  HSC95164  Astragalus agnicidus Gordon Leppig 2003-7-10 2002 Humboldt Pacific Lumber Co. land 730 Comment
  HSC96346  Astragalus agnicidus Gordon Leppig 2001-6-25 2107 Humboldt PALCO land, edge of logging road. 700 Comment
  JEPS79823  Astragalus rattanii var. rattanii Joseph P. Tracy 1932-6-19 10245 Humboldt nw slope of Buck Mountain Buck Mountain (lower foothills); Northern Coast Ranges, Buck Mountain 762 Comment
  UC1222420  Astragalus umbraticus Joseph P. Tracy 1940-8-25 16706 Humboldt at Lake Prairie , at Lake Prairie (Bald Mountain) 1066 Comment
  UC160962  Astragalus umbraticus Mrs. M. H. Manning 1900-7-1 181 Humboldt near Hupa (Hoopa) (Bald Hills, Hupa Valley); near Hupa (Hoopa), Bald Hills, Hupa Valley Comment
  SEINET13761872  Astragalus umbraticus C. Wilson, M. Groberg, B. Meinke 2011-1 s.n. Humboldt On Green Diamond Resource Company private land; Roadside edge on W slope of French Camp Ridge. 853 Comment
  HSC48318  Asyneuma prenanthoides Brad Klipfel 1973-8-3 309 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56967  Asyneuma prenanthoides Overton, Butler 1979-7-23 9491 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  SBBG69571  Asyneuma prenanthoides S. W. Hutchinson -Jun-1925 93 Humboldt Redwood Hwy 243 Comment
  UCD66898  Asyneuma prenanthoides Esther Perry 1930-7-11 Humboldt Humboldt State Park. Comment
  POM182459  Athyrium filix-femina subsp. cyclosorum Joseph P. Tracy 1912-7-25 3814 Humboldt Along Black Creek, Kneeland Prairie 762 Comment
  JEPS35140  Athyrium filix-femina var. cyclosorum W. L. Jepson 1932-8-8 16529 Humboldt hill above Weott Comment
  UCR37541  Athysanus pusillus L. P. Janeway 1983-5-21 300 Humboldt Above Titlow Hill Road. 3.3 mi south of Hwy 299 1250 Comment
  JEPS53225  Athysanus pusillus W. L. Jepson 1902-6-20 1901 Humboldt Fort Seward Ranch Ridge, (=Mail Ridge), expedition from Ukiah to the Hupa Indian Reservation Fort Seward Ranch Ridge 1219 Comment
  UC183765  Atriplex leucophylla Joseph P. Tracy 1913-11-19 4416 Humboldt Bayshore at Bucksport (region about Humboldt Bay, Northern Coast Region); Northern Coast Region, Humboldt, Bayshore at Bucksport 0 Comment
  UC526705  Avena barbata Joseph P. Tracy 1926-5-9 7456 Humboldt hills near Bridgeville; North Coast Ranges 609 Comment
  UC275449  Azolla filiculoides Parks and Tracy 1925-6-24 2763 Humboldt ditches along R.R. and tide flats Eureka Comment
  UC303081  Azolla filiculoides Joseph P. Tracy 1904-9-11 2143 Humboldt Fields Landing; Northern Coast Region 30 Comment
  HSC33719  Azolla microphylla Scott M. Kruse 1975-5-24 55 Humboldt Samoa Dunes, off Samoa Blvd. across from boat landing Comment
  HSC66403  Baccharis douglasii Ruby Van Deventer 1960-8-15 Humboldt Myers Flat 122 Comment
  RSA46911  Baccharis pilularis Doris K. Kildale 1925-12-25 1441 Humboldt Mouth of Eel River Comment
  UC1199293  Baccharis pilularis Joseph P. Tracy 1920-10-31 5408 Humboldt near Grizzly Bluff (Eel River); Eel River 30 Comment
  UC1119679  Baccharis pilularis H. L. Person 1932-10-7 Humboldt Leribee Creek Dyerville quad. Comment
  HSC68262  Baccharis pilularis subsp. consanguinea J. P. Smith 1971-10-6 4963 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC39056  Barbarea orthoceras Thomas W. Nelson, Jane P. Nelson 1976-5-31 2642 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC492247  Barbarea orthoceras Joseph P. Tracy 1927-7-24 8292 Humboldt Mattole Valley 152 Comment
  RSA125218  Bensoniella oregona S. Carlquist 1951-6-14 158 Humboldt Below Felt Plateau, on road to Snow Camp 1006 Comment
Read comments
Nov 8 2010
  HSC74672  Berberis aquifolium Gail Newton 1981-5-16 2172 Humboldt Near Bug Creek. 1228 Comment
  UC56724  Berberis aquifolium Harley P. Chandler June, 1901 1277 Humboldt Hupa Indian Reservation 1097 Comment
  CAS-BOT-BC75679  Berberis nervosa Doris K. Kildale 1928-5-27 5946 Humboldt Kneeland Prairie. 853 Comment
  HSC57157  Berberis nervosa Overton, Butler 1979-7-26 9956 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  CHSC23180  Berberis pinnata Robert F. Thorne; P. Everett 1965-8-5 35141 Humboldt 5.2 mi. N of junction of Horse Mt. and Shelter Cove Roads. 457 Comment
  CAS-BOT-BC66270  Blechnum spicant Doris K. Kildale 1928-12-30 6885 Humboldt Phillipsville Comment
  UC1063690  Blechnum spicant H. L. Person 1932-7-19 Humboldt Dolbier Carson Land Lindsay Creek; Eureka Quadrangle Comment
  SEINET11716007  Blechnum spicant D. E. Boufford 1973-1 11067 Humboldt Eureka, Sequoia Park Comment
  HSC31637  Borago officinalis Glenn McGourty 1974-6-1 85 Humboldt Comment
  HSC913  Botrychium multifidum D. K. Walker 1968-11-6 Humboldt Clam Beach, old railroad cut below Vista Point lookout on Hwy. 101 about 1.5 mi. S of Trinidad Comment
  HSC76264  Boykinia major Denis Kearns 1981-7-23 410 Humboldt Near Whiteys Peak. 1524 Comment
  CAS-BOT-BC420277  Boykinia occidentalis J. P. Tracy 1901-6-30 1210 Humboldt Immediate vicinity of Eureka Comment
  HSC76260  Boykinia occidentalis Teresa Prendusi 1981-7-7 119 Humboldt Near Slate Creek Butte. 1158 Comment
  CAS-BOT-BC420259  Boykinia occidentalis A. A. Heller 1937-6-11 15893 Humboldt along U.S. Highway #101 between Bishop Pine Lodge and Big Lagoon Comment
  CAS-BOT-BC420276  Boykinia occidentalis Doris K. Kildale 1927-6-25 3574 Humboldt Fearren's ranch between Thorn & Shelter Cove Comment
  POM232051  Boykinia occidentalis Roxana S. Ferris 1937-8-21 9390 Humboldt Cleft in cliff above beach. Shelter Cove. Comment
  HSC98960  Brassica nigra Cara Witte 2007-7-24 573 Humboldt Ammon Ridge Road. At intersection with 5N15. 1441 Comment
  CAS-BOT-BC127680  Brickellia greenei Joseph P. Tracy 1935-7-30 14361 Humboldt Serpentine formatin, Salmon Summit 1767 Comment
  UC15007  Brodiaea elegans subsp. elegans Joseph Burtt Davy 1899-6-11 5464 Humboldt near Elk Prairie Comment
  SEINET199104  Brodiaea stellaris Rimo Bacigalupi, L. Constance; Moran Carlquist. 1951-6-13 3406 Humboldt Along State Highway 36 5 miles east of Bridgeville Comment
  JEPS514  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-BC484613  Brodiaea terrestris subsp. terrestris Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  RSA10079  Bromus carinatus Joseph P. Tracy 1926-5-2 7424 Humboldt Trinity River Valley, near the south fork. Comment
  UC212859  Bromus carinatus var. carinatus Joseph P. Tracy 1920-5-31 5333 Humboldt Northern Coast Region, Carlotta, along Yager Creek Carlotta; Northern Coast Region, , Yager Creek 30 Comment
  UC526931  Bromus commutatus Joseph P. Tracy 1933-6-9 12534 Humboldt North Coast Ranges, on Eel River, Shively Shively; North Coast Ranges, Eel River, Shively 30 Comment
  JEPS72928  Bromus diandrus Lincoln Constance 1934-5-26 674 Humboldt Bull Creek Region, South Fork Eel River, s end of Dyerville Bridge Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  RSA34310  Bromus diandrus L. Larsen 1935-5-6 s.n. Humboldt [no additional locality data provided] Comment
  UC1714488  Bromus diandrus Joseph P. Tracy 1916-5-31 4702 Humboldt along Eel River from South Fork to Scotia, Stitz Creek Stitz Creek; Northern Coast Ranges, Eel River, Stitz Creek 60 Comment
  HSC103007  Bromus hordeaceus J. P. Smith 2014-5-23 13847 Humboldt Along the Hammond Trail north of Murray Road in McKinleyville 17 Comment
  RSA152297  Bromus marginatus Joseph P. Tracy 1950-6-15 18786 Humboldt Mail Ridge. North of Harris 7 miles. 1037 Comment
  UCR45821  Bromus marginatus Kenneth Clark 1980-5-10 643 Humboldt Point Delgada Q., Shelter Cove, coastal bluffs of Point Delgada 3 Comment
  UCD59595  Bromus rubens A. H. Murphy 1951-5-21 s.n. Humboldt Tooby and Prior Ranch, Blocksburg Experimental grazing pasture. Comment
  UCD59657  Bromus secalinus var. velutinus G. T. Bateham 1921-8-7 s.n. Humboldt Showers Pass. Comment
  HSC97099  Bromus sterilis Yun Chan, Renee Meyer, Sophary Yun 2007-6-11 5 Humboldt 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1364 Comment
  UC204535  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt along Eel River from South Fork to Scotia, Stitz Creek Stitz Creek; Northern Coast Ranges, Eel River, Stitz Creek 60 Comment
  CAS-BOT-BC161533  Bromus tectorum Joseph P. Tracy 1925-5-30 7039 Humboldt Northern Coast Ranges. Larrabee Valley. 701 Comment
  HSC74753  Bromus vulgaris Gail Newton 1981-8-6 2396 Humboldt Near Bug Creek 1125 Comment
  HSC75287  Bromus vulgaris J. O. Sawyer, M. A. Ericksen 1980-8-18 4059 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  RSA46798  Cacaliopsis nardosmia Doris K. Kildale 1926-4-18 1776 Humboldt McClellan Mountain. Comment
  CAS-BOT-BC36855  Cakile edentula var. edentula Alice Eastwood; John Thomas Howell 1934-4-11 1323 Humboldt Trinidad. Comment
  CAS-BOT-BC36861  Cakile edentula var. edentula Ira L. Wiggins 1930-7-7 4671 Humboldt Near Samoa. Comment
  CAS-BOT-BC185238  Calamagrostis koelerioides Joseph P. Tracy 1933-8-30 13008 Humboldt Northern Coast Ranges. Horse Mountain. 1371 Comment
  HSC58646  Calamagrostis koelerioides G. L. Clifton, Griswold 1979-7-31 11666 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  RSA10021  Calamagrostis koelerioides Joseph P. Tracy 1933-8-30 13008 Humboldt Horse Mountain. In open Forest of Jeferey Pine 1372 Comment
  UCD57256  Calamagrostis koelerioides R. Tofsrud 1948-9-1 s.n. Humboldt Road junction near summit of Horse Mt. 1463 Comment
  CAS-BOT-BC185180  Calamagrostis nutkaensis A. A. Heller 1924-7-24 13880 Humboldt On the bluff at Humboldt County camp 7 miles south of Trinidad. Comment
  UC1103287  Calamagrostis nutkaensis Joseph P. Tracy 1918-7-21 5079 Humboldt Humboldt Hill Northern Coast Ranges, <area> around Humboldt Bay 182 Comment
  UC70880  Calamagrostis nutkaensis Joseph Burtt Davy and Walter C. Blasdale 1899-8-1 6215 Humboldt Eureka Comment
  CHSC110706  Callitriche stagnalis Dean Wm. Taylor 2004-6-24 19136 Humboldt Clear Lake, along Titlow Hill Road. 1493 Comment
  OBI33734  Calocedrus decurrens David J. Keil 1983-7-2 17316 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  OBI7409  Calocedrus decurrens H. Wiedman July1966 s.n. Humboldt Near the Hoopa Valley Indian Reservation 366 Comment
  SBBG115082  Calochortus amabilis D. Leaberry 1991-6-13 Humboldt Hwy 254 (Avenue of the Giants), ca. 1 mi S of Phillipsville Comment
  CAS-BOT-BC488451  Calochortus amabilis M. S. Jussel 1931-5-2 n.s. Humboldt Sylvandale, 8 miles N. of Barbarville Comment
  SEINET4169987  Calochortus pulchellus Unknown 1948-6-13 18050 Humboldt Harris 610 Comment
  HSC100551  Calochortus pulchellus Carl C. Marshall May 1887 479 Humboldt S Humboldt. Comment
  HSC34998  Calochortus tolmiei Thomas W. Nelson 1975-5-24 1879 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC73066  Calochortus tolmiei M. A. Baker 1980-6-16 1946 Humboldt Near Onion Mtn. 1280 Comment
  UC667128  Calochortus tolmiei Joseph P. Tracy 1933-7-11 12659 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  CAS-BOT-BC496520  Calochortus tolmiei Lincoln Constance; Alan A. Beetle; Joseph P. Tracy 1940-5-17 2614 Humboldt Larrabee Valley, near Eureka 762 Comment
  UC1222547  Calochortus vestae Joseph P. Tracy 1950-6-23 18868 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC1196207  Caltha biflora Joseph P. Tracy 1933-7-16 12779 Humboldt Northern Coast Ranges. At McKay Camp, South Fork Mountain. 1676 Comment
  RSA54144  Calycadenia ciliosa H. M. Pollard 1946-8-28 s.n. Humboldt Near Summit of Orleans Mt. 1829 Comment
  CAS-BOT-BC273318  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River 304 Comment
  UC4379  Calypso bulbosa Harley P. Chandler June, 1901 1280 Humboldt North Coast Ranges, Hupa Indian Reservation Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 1097 Comment
  HSC72777  Calypso bulbosa T. R. Crumbo 1977-4-6 4 Humboldt Hwy. 36, 0.25 mi W of Grizzly Creek State Campground. 91 Comment
  HSC65839  Calyptridium monospermum Gail Newton 1980-6-16 173 Humboldt Near Monks Camp. 1097 Comment
  UC1197885  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1928-7-7 16028 Humboldt Horse Mountain 1432 Comment
  UC154167  Calystegia occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1343 Humboldt Hupa Indian Reservation , Hupa Indian Reservation (North Coast Ranges) 152 Comment
  HSC37769  Calystegia silvatica subsp. disjuncta Thomas W. Nelson 1976-8-10 3166 Humboldt Intersection of 11th and B St. in Arcata Comment
  HSC103975  Calystegia soldanella C. Reynolds 2015-4-12 30 Humboldt Along Freshwater Beach, north of the Kuchel Visitor Center 1 Comment
  UC1197877  Calystegia soldanella Joseph P. Tracy 1915-6-6 4650 Humboldt sandy beach near mouth Elk River (Eureka); Northern Coast Region, nr mouth Elk River, at Eureka 0 Comment
  UC1197667  Camassia quamash subsp. quamash Joseph P. Tracy 1933-5-20 12272 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 304 Comment
  RSA244988  Camissonia cheiranthifolia subsp. cheiranthifolia Norman Dennis 1965-6-8 104 Humboldt Samoa Peninsula along the W side of the Humboldt Bay. Comment
  RSA167258  Camissonia ovata Joseph P. Tracy 1951-5-5 19392 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town 61 Comment
  HSC16464  Camissonia strigulosa Norman H. Moe 1962-5-17 Humboldt Lanphere's Place Comment
Read comments
Dec 14 2019
  CAS-BOT-BC160243  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Ira L. Wiggins 1930-7-7 4670 Humboldt Near Samoa Comment
  CHSC10102  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. W. Johnson 1961-8-17 1044 Humboldt Arcata. Sand dune fields, Lanphere Farm. Comment
  SEINET10462885  Campanula prenanthoides Baker 1947-8-8 Baker 11925 Humboldt 10 mi along rd. from hwy. 101 N of Orick towards Hoopa. 610 Comment
  SEINET10462967  Campanula prenanthoides Stephen S. Tillett 1956-7-6 Tillett 612 Humboldt Area cleared by logging and fire, south slope along Bar Shanty Road, 5 miles from Orleans 488 Comment
  SEINET10840309  Campanula prenanthoides Lincoln Constance 1934-6-11 Constance 854 Humboldt HUMBOLDT REDWOOD PARK ABOVE RD OPP. MOUTH BULL CR., DRY S BANK ABOVE RD 250 Comment
  SEINET10905895  Campanula prenanthoides Aven Nelson, Ruth A. Nelson 1977-7-30 Nelson 3662 Humboldt In dry oak woodland beside State Route 36 about 1 mile east of Dinsmore. T1N R5E SEC.3 732 Comment
  UC168961  Campanula prenanthoides Joseph P. Tracy 1909-8-1 3061 Humboldt in woods Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC34270  Campanula scouleri K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  SBBG7446  Campanula scouleri H. and M. Dearing 1939-6-27 3729 Humboldt near Dinsmore on Van Dusen River Comment
  SEINET10463757  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6946 Humboldt Near Snow Camp Mountain, on the Iagua Buttes quadrangle, close to the town of Willow Creek 1320 Comment
  SEINET10463743  Campanula scouleri Manning MANNING 305 Humboldt Near Hupa, Bald Hills Comment
  HSC44638  Capsella bursa-pastoris Diane L. Reed 1978-5-7 67 Humboldt E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299 Comment
  SDSU2482  Cardamine angulata Wayne A. Bemis 1964-5-8 289 Humboldt North Coast redwood rain forest. Freshwater Forest of Freshwater City. 94 Comment
  HSC38209  Cardamine breweri Thomas W. Nelson, J. P. Smith 1976-4-25 2382 Humboldt Brazil Ranch E of Hwy. 101 near College of the Redwoods Comment
  CAS-BOT-BC37418  Cardamine californica LeRoy Ellsworth Detling 1935-4-20 1642 Humboldt Lansdale Redwood Grove. Comment
  CAS-BOT-BC37421  Cardamine californica LeRoy Ellsworth Detling 1935-4-22 1646 Humboldt Redwoods, Prairie Creek Fish Hatchery. Comment
  HSC6691  Cardamine californica D. E. Anderson 1962-3-31 1965 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  UC1222656  Cardamine californica Joseph P. Tracy 1950-4-20 18619 Humboldt along highway about 2 mi s of crossing Little Van Duzen (w slope Buck Mountain); , s of Little Van Duzen crossing Comment
  UC162881  Cardamine californica J. P. Tracy 1905-3-12 2150 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  POM214829  Cardamine californica var. integrifolia Victor Duran 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville. Comment
  UC1199184  Cardamine californica var. sinuata Joseph P. Tracy 1939-3-19 16206 Humboldt 5 mi e Carlotta (by old Strong's District School House); e of Carlotta, by old Strong's District School House 45 Comment
  UC1199194  Cardamine nuttallii Joseph P. Tracy 1933-6-11 12665 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
  JEPS79886  Cardamine nuttallii var. covilleana Joseph P. Tracy 1927-6-12 8129 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC42014  Cardamine oligosperma M. A. Baker 1977-4-23 172 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA0097053  Cardionema ramosissimum R. F. Thorne, Percy C. Everett 1965-8-5 35155 Humboldt Samoa Dunes. 3 Comment
  SEINET201070  Carduus pycnocephalus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  SEINET200666  Carex abrupta Joseph P. Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC17792  Carex amplifolia Doris Kildale 1931-6-6 10865 Humboldt Gans Prairie, Orick - Weitchpec road. Comment
  NY25689  Carex amplifolia J. P. Tracy 1914-7-4 4530 Humboldt "High prairie" on Bald Mountain, edge of Murphy's Meadow 1066.8 Comment
  UC249738  Carex aquatilis var. dives Joseph P. Tracy 1923-6-24 8352 Humboldt Bald Mountain, meadow near High Prairie Northern Coast Ranges 1066 Comment
  CHSC85062  Carex arcta Gordon Leppig 2002-7-12 1785 Humboldt Pacific Lumber Company Land. L 35 Rd. 1/2 mile west of Fox Creek Road, west side of large swamp. 70 Comment
  SEINET2044695 Image available Carex arcta Juha Pykala, D. H. Norris 1987-6-5 1436 Humboldt E of Maple Creek, Lake Prairie. 1052 Comment
  UC50827  Carex arcta J. P. Tracy 1901-6-30 1195 Humboldt immediate vicinity of Eureka 0 Comment
  SEINET11629975  Carex athrostachya J. P. Tracy 1950-1 18989 Humboldt NW slope of Buck Mountain, Burr Valley 1067 Comment
  SEINET10706572  Carex bolanderi Huron H. Smith 1911-1 Smith 3834 Humboldt Comment
  HSC62882  Carex buxbaumii J. M. DiTomaso 1979-5-20 1049 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  HSC76383  Carex concinnoides L. P. Janeway 1982-6-20 12 Humboldt On ridge 1 mi. SE of Horse Mtn. along FS Rd. 6N36 1384 Comment
  CAS-BOT-BC34973  Carex densa Joseph Prince Tracy 1936-6-3 14847 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC34978  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  UC195347  Carex deweyana subsp. leptopoda Joseph P. Tracy 1916-6-25 4746 Humboldt Redwood Creek, at point E from Trinidad 152 Comment
  UC302100  Carex deweyana subsp. leptopoda Joseph P. Tracy 1914-6-28 4515 Humboldt Carlotta Northern Coast Ranges 60 Comment
  CAS-BOT-BC20078  Carex echinata Joseph Prince Tracy 1930-7-16 8986 Humboldt Northern Coast Ranges. South Fork Mountain. McKay Camp. 1676 Comment
  HSC102223  Carex echinata subsp. echinata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1140 Humboldt Patterson Meadows 1555 Comment
  JEPS63725  Carex feta Joseph P. Tracy 1916-6-20 4734 Humboldt Dyke Ranch Northern Coast Ranges, Alder Point, Dyke Ranch 304 Comment
  HSC102202  Carex fracta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1117 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  SEINET7559345 Image available Carex fracta L. P. Janeway 2003-7-30 7942 Humboldt Grouse Mountain Quad, High North Coast Range, on northeast side of Titlow Hill Road, across from a small pond, on the map but un-named, 1.1 km south of Cold Spring. 1426 Comment
  JEPS79842  Carex globosa Joseph P. Tracy 1929-6-3 8605 Humboldt Mouth of East Fork, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 487 Comment
  POM160289  Carex globosa Joseph P. Tracy 1925-6-7 7064 Humboldt East Fork of Willow Creek, Willow Creek Canyon. 457 Comment
  UC562640  Carex gracilior Joseph P. Tracy 1935-6-8 13940 Humboldt at Eureka Northern Coast Ranges 0 Comment
  UC197210  Carex gynodynama Joseph P. Tracy 1912-7-25 3821 Humboldt Northern Coast Ranges, Kneeland Prairie. Comment
  UC50824  Carex hendersonii J. P. Tracy 1900-5-28 811 Humboldt immediate vicinity Eureka 0 Comment
  JEPS80026  Carex hendersonii Joseph P. Tracy 1926-6-13 7598 Humboldt Blue Lake Northern Coast Ranges, Blue Lake 152 Comment
  CAS-BOT-BC35564  Carex jonesii Joseph Prince Tracy 1935-7-26 14257 Humboldt Trinity Summit, Meadows at Water Dog Lakes 1828 Comment
  HSC97361  Carex leptalea Juha Pykala, D. H. Norris 1987-6-24 1895 Humboldt Big Lagoon. 0 Comment
  UC562626  Carex luzulina var. luzulina Joseph P. Tracy Jul 16-19 1930 8987 Humboldt McKay camp, South Fork Mountain Northern Coast Ranges 1676 Comment
  RSA122772  Carex lyngbyei H. S. Yates 1936-6-23 s.n. Humboldt 1 mile west of Bayside; sea level 0 Comment
  HSC82414  Carex microptera Thomas W. Nelson 1979-7-11 5033 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  CAS-BOT-BC32131  Carex multicaulis Joseph Prince Tracy 1927-3-27 7862 Humboldt Trinity River Valley, near the South Fork. 182 Comment
  SEINET7568483 Image available Carex multicostata L. P. Janeway 2003-7-30 7945 Humboldt Grouse Mountain quad. High North Coast Ranges. Edge of seedy area at upper edge of Clear Lake, 2.9 km southeast of Titlow Hill. 1494 Comment
  UC249755  Carex multicostata Joseph P. Tracy 1924-5-4 6664 Humboldt Bridgeville Northern Coast Ranges 243 Comment
  UC1142  Carex nudata Harley P. Chandler May 1901 1235 Humboldt redwood belt North Coast Ranges 91 Comment
  UCR40087  Carex nudata L. P. Janeway 1983-7-23 435 Humboldt Blue Lake Q., North Fork of Mad River at the old Hwy 299 bridge (near the new bridge). 40 Comment
  POM79084  Carex obnupta Le Roy Abrams 1916-7-18 6083 Humboldt Arcata to Trinidad. Comment
  UCD140701  Carex obnupta Gordon Leppig 1998-6-26 858 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. 18 Comment
  HSC38424  Carex obnupta Lon Hall 1975-6-20 407 Humboldt About 2 mi. N from Shelter Cove Rd. on Horse Mtn. Rd., along Bear Creek, from streamside up to unused dirt logging road above creek 488 Comment
  HSC7070  Carex obnupta J. W. Johnson 1961-8-17 1055 Humboldt Arcata, Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  JEPS80019  Carex obnupta Joseph P. Tracy 1910-10-1 3161 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  POM250761  Carex obnupta D. D. Keck 1938-8-5 4770 Humboldt Big Lagoon, among rocks in open spots on beach Comment
  RSA15497  Carex obnupta Joseph P. Tracy 1934-7-30 13514 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon). 3 Comment
  HSC69875  Carex ovalis Thomas W. Nelson 1978-5-28 4100 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  JEPS79851  Carex pachycarpa Joseph P. Tracy 1932-7-11 10411 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC119229  Carex pachystachya Joseph Prince Tracy 1927-5-29 8077 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC119245  Carex pachystachya Joseph Prince Tracy 1939-7-9 16340 Humboldt Snow Camp 1402 Comment
  UC562644  Carex pachystachya Joseph P. Tracy Jul 16 1930-Jul 19 1930 8984 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1103095  Carex pachystachya Joseph P. Tracy 1934-7-12 13374 Humboldt e Big Lagoon 3 Comment
  UCSC000108  Carex pansa C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CAS-BOT-BC118599  Carex praticola Joseph Prince Tracy 1936-5-29 14826 Humboldt Gans Prairie, on ridge E of Orick, in grassy flat. 548 Comment
  HSC76847  Carex praticola L. P. Janeway 1982-6-20 15 Humboldt Near road underdrain, 30 m N on FS Rd. 6N36 from Titlow Hill Rd. 1384 Comment
  SEINET3138427  Carex preslii R. Tallent 1987-8-11 895 Humboldt Six Rivers NF, T6N R4E Sec. 32 NE 1/4 of NE 1/4; roadside S of Horse Mtn. Comment
  JEPS79859  Carex rossii Joseph P. Tracy 1935-6-2 13921 Humboldt Big Lagoon 3 Comment
  JEPS79869  Carex rossii Joseph P. Tracy 1904-5-1 2041 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  HSC102222  Carex scopulorum var. bracteosa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1138 Humboldt Patterson Meadows 1555 Comment
  JEPS79843  Carex scopulorum var. bracteosa Joseph P. Tracy 1932-7-14 10562 Humboldt Trinity Summit, Corral Prairie 1584 Comment
  UC302095  Carex serratodens Joseph P. Tracy 1913-6-13 4107 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC103370  Carex serratodens Thomas W. Nelson, Jane Nelson 1977-9-3 3734 Humboldt Along old logging road, just east of Pine Mountain, off Forest Service Road 2S08 1463 Comment
  RSA314077  Carex serratodens Thomas W. Nelson, Jane P. Nelson 1978-7-2 4397 Humboldt On wet serpentine along road 2S08 near Pine Mountain. 1463 Comment
  UC3030704  Carex serratodens Joseph P. Tracy July, 1908 2898 Humboldt near Low Gap (Dinsmore's Ranch, ridge between Van Duzen and Mad Rivers); Northern Coast Ranges 1066 Comment
  HSC71720  Carex subfusca M. A. Baker 1980-6-26 2467 Humboldt Near Sims Creek 610 Comment
  CAS-BOT-BC115544  Carex unilateralis Joseph Prince Tracy 1941-6-29 16935 Humboldt Large dense clump, Hettenshaw Valley 944 Comment
  CHSC90267  Carex utriculata Thomas W. Nelson; Jane P. Nelson 1987-6-11 8600 Humboldt North Coast Ranges. Box Spring at Box Camp. Along trail to North Trinity Mountain. 1524 Comment
  UC562329  Carex vesicaria Joseph P. Tracy 1934-7-18 13428 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  CAS-BOT-BC115065  Carex vesicaria Joseph Prince Tracy 1934-7-18 13428 Humboldt In shallow pond, Grouse Mountain. 1524 Comment
  UC562328  Carex vesicaria var. major Joseph P. Tracy 1931-5-17 9423 Humboldt opposite mouth Willow Creek (Lack Pond); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1225792  Carpobrotus chilensis Joseph P. Tracy 1947-9-1 17924 Humboldt Big Lagoon 6 Comment
  HSC104289  Castilleja affinis subsp. litoralis Samantha E. Andres 2016-6-3 10 Humboldt About 0.5 mi. down the road from Table Bluff to the OHV road at South Jetty 29 Comment
  JEPS8504  Castilleja affinis subsp. litoralis Joseph P. Tracy 1926-6-18 7606 Humboldt e of Fields Landing; Humboldt Hill 152 Comment
  JEPS93139  Castilleja affinis subsp. litoralis M. Wetherwax 1992-5-20 2435 Humboldt n side Wedding Rock (Patrick's Point State Park); Patrick's Point State Park 30 Comment
  UC902251  Castilleja affinis subsp. litoralis Joseph P. Tracy 1947-5-24 17692 A Humboldt Big Lagoon 152 Comment
  OBI9388  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1938-7-15 16068 Humboldt Mouth of Eel River 3 Comment
  RSA273315  Castilleja ambigua subsp. humboldtiensis J. D. Ackerman 1975-6-10 462 Humboldt 1 mile N of Samoa Bridge turnoff from Samoa Blvd., S of Manila, Humboldt Bay Comment
  JEPS3616  Castilleja applegatei subsp. martinii Clyde Ritchie Bell 1951-4-21 1036 Humboldt Just south of Somes Bar and immediately south of the Siskiyou-Humboldt County line, along Calif. State Highway 96 (Klamath River Road). Comment
  SD62425  Castilleja applegatei subsp. pinetorum Lincoln Constance, Elwood Molseed, Robert Ornduff 1961-7-19 3701 Humboldt Open ridge easr of Hinkey Summit. Santa Rosa Range, Humboldt National Forest Comment
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Mar 3 2014
  JEPS2925  Castilleja arachnoidea W. L. Jepson Jul 16 1902-Jul 23 1902 2054 Humboldt Trinity Summit 2133 Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  JEPS10649  Castilleja exserta subsp. latifolia Frank W. Peirson 1926-7-14 7064 a Humboldt Table Bluff Lighthouse Table Bluff Comment
  HSC41275  Castilleja pruinosa Brad Klipfel 1974-6-25 427 Humboldt Horse Mtn. Comment
  UC582570  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1927-5-8 7985 Humboldt vicinity Garberville 121 Comment
  HSC55616  Ceanothus cordulatus Overton, Butler 1979-7-23 9511 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  CAS-BOT-BC49320  Ceanothus cuneatus L. R. Abrams 1918-6-17 7210 Humboldt Hoopa to Briar's Resort on road to Korbel Comment
  HSC101665  Ceanothus foliosus var. foliosus J. P. Smith, J. O. Sawyer 2011-4-23 13126 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  CAS-BOT-BC50046  Ceanothus incanus Doris K. Kildale 1928-5-19 5137 Humboldt Chalk Mountain Comment
  SD230281  Ceanothus incanus Louis C. Wheeler 1959-8-1 7620 Humboldt Queens Peak Mine Comment
  CAS-BOT-BC63685  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13180 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC101655  Ceanothus oliganthus var. sorediatus J. P. Smith, J. O. Sawyer 2011-4-23 13115 Humboldt Along Salmon Creek Rd., 2.5 miles from its Junction with U.S. 101 91 Comment
  HSC18379  Ceanothus oliganthus var. sorediatus DWC 1956-4-26 Humboldt N of Honeydew Comment
  HSC37082  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-5-8 6 .8575 Humboldt County rd. 4 mi SE of Honeydew 259 Comment
  HSC37608  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 4 .11775 Humboldt Along county rd. 274 Comment
  UC1193285  Ceanothus oliganthus var. sorediatus P. Zinke 1950-8-26 157 Humboldt Salmon Creek 3 mi w Miranda; Quad. 29C1, Salmon Creek 91 Comment
  CAS-BOT-BC51209  Ceanothus parryi Mrs. E. C. Suttiffe 1933-6-3 s.n. Humboldt Redwood Highway, west Humboldt County Comment
  HSC18308  Ceanothus parryi P. J. Zinke 161 Humboldt Divide between Mill Creek and S Fork of Eel River, 2 mi S of Myer's Flat 305 Comment
  HSC37084  Ceanothus parryi R. Sutherland 1975-5-30 4 .30575 Humboldt 320 Comment
  POM128711  Ceanothus parryi Jos. Burtt Davy, W. C. Blasdale 1899-6-11 5460 Humboldt Betw Camp Grant and Elk Prairie Comment
  UC1071292  Ceanothus prostratus A. E. Wieslander 1931-5-19 203 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  RSA46917  Ceanothus pumilus Doris K. Kildale 1926-4-25 1810 Humboldt Hoopa Mt. 793 Comment
  BLMAR284  Ceanothus thyrsiflorus Jennifer Anthony-Wheeler 1999-5-28 284 Humboldt King range, growing on strawberry Rock grazing allotment 304 Comment
  BLMAR806  Ceanothus thyrsiflorus Madeleine Hassett 2017-7-25 806 Humboldt Lost Coast Headlands, ~200ft down the road from Fleener Creek trailhead 75 Comment
  CAS-BOT-BC52955  Ceanothus thyrsiflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  RSA25754  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11089 Humboldt Summit of Trinidad Head. 46 Comment
  UC176985  Ceanothus thyrsiflorus Joseph P. Tracy 1912-7-23 3800 Humboldt 5 mi above the mouth South Fork Eel River; Northern Coast Ranges, along South Fork Eel River 30 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
  CAS-BOT-BC52870  Ceanothus velutinus S. K. Harris 1942-6-12 1257 Humboldt Fickle Hill Road, 5 miles north and 2 miles east of Boynton Prairie 630 Comment
  HSC18348  Ceanothus velutinus R. E. Thill 1965-5-15 33 Humboldt 1.0 mi E of Willow Creek on Hwy. 299 Comment
  SDSU10422  Ceanothus velutinus D. F. Howe 1961-8-2 3122 Humboldt 27.0 m iles east of Orick of Bald Mtn. Road. 762 Comment
  UCD112775  Ceanothus velutinus B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  SEINET13946128 Image available Ceanothus velutinus S. K. Harris 1942-1 1257 Humboldt Fickle Hill Road, 5 mi N and 2 mi E of Boynton Prairie; ca 630 m alt. 630 Comment
  JEPS44151  Centaurea calcitrapa Joseph P. Tracy 1940-10-17 16760 Humboldt near Dyerville (South Fork Station) 45 Comment
  UC673087  Centaurea calcitrapa Joseph P. Tracy 1940-10-17 16760 Humboldt near Dyerville (South Fork Station) 45 Comment
  UC1119132  Centaurea melitensis H. L. Person 1932-7-23 Humboldt road e of Korbel; Eureka Quadrangle Comment
  SEINET200847  Centaurea melitensis Joseph P. Tracy 1908-6-27 2887 Humboldt Valley of the Van Duzen River opposite Buck Mountain 762 Comment
  CDA7311  Centaurea pratensis E. C. Whitney, R. E. Talbert 1966-8-4 Humboldt Weitchpec. Hoopa Reservation. 0 Comment
  UC582526  Centaurea solstitialis Joseph P. Tracy 1933-8-27 13002 Humboldt 2 to 5 mi e of South Fork (along Eel River); Eel River 45 Comment
  POM208980  Centaurium muehlenbergii Lincoln Constance 1934-6-4 820 Humboldt South slope of Look Prairie, Bull Creek watershed. 381 Comment
  BLMAR319  Centaurium tenuiflorum Jennifer Anthony-Wheeler 2002-7-23 319 Humboldt Headwaters Forest Reserve, salmos pass parking lot 353 Comment
  HSC104291  Cephalanthera austiniae Samantha E. Andres 2016-5-6 23 Humboldt About 4 mi. W on Mattole Rd. from the South Fork/Honeydew exit, above Harper Creek 128 Comment
  HSC16592  Cephalanthera austiniae D. K. Walker 1960-7-21 Humboldt West boundary of Simpson Redwood land, 1/2 mi. N of 500 A Road. Comment
  UC8236  Cerastium arvense J. Burtt Davy 1899-6-9 5366 Humboldt Chamisse Ridge n. of Harris; Chamisse Ridge Comment
  HSC59557  Cerastium glomeratum Rick Lundquist 1979-4-25 40 Humboldt .3 mi. S of Samoa on Samoa Blvd. 0 Comment
  HSC100414  Cerastium nutans Carl C. Marshall Jun 1887 446 Humboldt Throughout Humboldt County. Comment
  JEPS51361  Cerastium viride W. L. Jepson 1902-6-10 1883 Humboldt Harris to Ft. Seward Ranch Ridge 1066 Comment
  CAS-BOT-BC276488  Chaenactis douglasii var. douglasii Joseph P. Tracy 1932-7-12 10462 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  HSC56986  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9534 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC95786  Chamaecyparis lawsoniana Will Ferrand 2002-4-27 32 Humboldt 1.0 mi. E of intersection of Hwy. 299 and Willow Creek Rd. 198 Comment
  CAS-BOT-BC166045  Chamerion angustifolium subsp. circumvagum L. R. Abrams 1916-7-18 6113 Humboldt Arcata to Trinidad, 18 mi along coast Comment
  UC62675  Cheilanthes gracillima W. C. Blasdale 1896-6-6 Humboldt Kneeland Comment
  JEPS59716  Chenopodium ambrosioides Lincoln Constance 1934-5-27 695 Humboldt Dyerville Bridge South Fork Eel River, Bull Creek Region (s end, gravel bar of river) 45 Comment
  UC275478  Chenopodium ambrosioides Joseph P. Tracy 1925-7-26 7212 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC275479  Chenopodium ambrosioides Joseph P. Tracy 1925-11-1 7298 Humboldt Shively Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  CAS-BOT-BC473032  Chenopodium macrospermum var. farinosum Edward Lee 1934-8-17 1151 Humboldt East shore of Big Lagoon, 35 miles N of Eureka 3 Comment
  HSC76597  Chimaphila menziesii Teresa Prendusi 1981-7-9 199 Humboldt Near Cedar Camp. 1268 Comment
  CAS-BOT-BC451386  Chimaphila menziesii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Nat. Trail 1524 Comment
  CAS-BOT-BC451387  Chimaphila menziesii T. Worley; M. Mill; F. Rosenthal 1985-5-10 56 Humboldt Horse Mountain Rd., approx. 8 miles S of Hwy. 299 1143 Comment
  HSC104406  Chimaphila menziesii Adam N. Canter 2011-12-1 2 Humboldt Ma-l'el Dunes Unit, Humboldt Bay National Wildlife Refuge 5 Comment
  CAS-BOT-BC451498  Chimaphila umbellata L. B. Kildale 1930-9-9 10403 Humboldt Bald Mountain 914 Comment
  HSC33063  Chimaphila umbellata Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1251 Humboldt Horse Mtn. area, W of microwave tower 1220 Comment
  CAS-BOT-BC451493  Chimaphila umbellata Milo S. Baker 1947-8-10 11899 Humboldt 15 mi. NE of Hoopa near end of forest road 1371 Comment
  CAS-BOT-BC236914  Chloropyron maritimum subsp. palustre Eva Buxton 2002-8-1 2001 Humboldt Salt marsh off King Salmon Ave. near P.G.E. Eureka Comment
  POM289618  Chrysanthemum leucanthemum Lyman Benson 1928-7-10 421 Humboldt Hills at Fortuna; Seaward N Coast Mt. Range, Mouth of Eel River 30 Comment
  RSA20963  Chrysolepis chrysophylla Carl B. Wolf 1937-9-13 9338 Humboldt North Coast Range, summit of Grouse Mt. 1645 Comment
  UC1585408  Chrysolepis chrysophylla R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 UCBG 31 Humboldt W of Hoopa, just E of Pine Ridge Summit Bair Rd.; U.C. Botanical Garden 970 Comment
  UCSB1015  Chrysolepis chrysophylla Muller, Cornelius 1954-6-21 Humboldt 8 mi. ESE of Mad River on road to Forest Glen Comment
  UC302104  Chrysosplenium glechomifolium Joseph P. Tracy 1926-5-22 7505 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  UC1197341  Cicuta douglasii Joseph P. Tracy 1937-8-12 15662 Humboldt Snow Camp 1402 Comment
  UC562518  Circaea alpina subsp. pacifica Joseph P. Tracy 1936-8-7 15088 Humboldt head of Little Hors-Linto Creek (Trinity Summit); Trinity Summit 1371 Comment
  SD113203  Cirsium arvense Darley F. Howe 1959-8-4 2801 Humboldt 78.5 miles west of Weaverville on Highway 299. 609 Comment
  UCD130610  Cirsium douglasii Gordon Leppig 1998-6-1 879 Humboldt Horse Mountain, Titlow Hill Rd. 1219 Comment
  OBI56358  Cirsium occidentale var. venustum B. Villegas 1998-8-5 s.n. Humboldt North Coast Ranges. Nr berry Summit on Titlow Hill Rd, 3.9 mi S of hwy 299 Comment
  CAS-BOT-BC288718  Cirsium remotifolium Doris K Niles 1948-7-26 4 Humboldt Eel River bottom, A. D. Niles Field Comment
  HSC23113  Clarkia amoena Norman Dennis 1965-6-19 133 Humboldt 0.25 mi S and 1.0 mi. E of junction of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 5 mi. SE of Kneeland 793 Comment
  CAS-BOT-BC160917  Clarkia amoena subsp. amoena C. Hart Merriam 1922-7-13 s.n. Humboldt Fortuna Comment
  CAS-BOT-BC160975  Clarkia amoena subsp. amoena Joseph P. Tracy 1909-7-31 3026 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC160974  Clarkia amoena subsp. amoena L. R. Abrams 1922-6-25 8229 Humboldt 6 miles north of Garberville along Eel River Comment
  HSC16233  Clarkia amoena subsp. huntiana P. A. Mansfield 1967-7-8 1 Humboldt 6 mi. W of Weitchpec on Hwy. 96 Comment
  SD61036  Clarkia amoena subsp. huntiana Darley F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. 487 Comment
  CAS-BOT-BC164176  Clarkia concinna M. S. Jussel 1931-5-2 s.n. Humboldt Near Garberville Comment
  CAS-BOT-BC164177  Clarkia concinna M. S. Jussel 1931-5-2 s.n. Humboldt Garberville Comment
  HSC32093  Clarkia concinna subsp. concinna D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5700 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC1222853  Clarkia concinna subsp. concinna Joseph P. Tracy 1950-5-24 18691 Humboldt between McDonald's and Hopland (along old highway) Comment
  RSA249400  Clarkia purpurea subsp. purpurea D. E. Anderson, Thomas Nelson, S. Dowty 1973-6-17 5701 Humboldt McKeown Ranch north of Dinsmore Comment
  UC1071916  Clarkia purpurea subsp. viminea H. and M. Lewis 1947-6-14 417 Humboldt 1.2 mi e Van Duzen Public Camp Ground (Highway 36) 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
  HSC75469  Claytonia cordifolia J. O. Sawyer 1980-7-18 3616 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC47613  Claytonia perfoliata J. P. Smith 1977-4-23 9029 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  SEINET6903113  Claytonia perfoliata Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  UC902106  Claytonia perfoliata subsp. intermontana Joseph P. Tracy 1949-6-6 18306 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC439931  Claytonia perfoliata subsp. mexicana K. L. Chambers 1977-3-28 4240 Humboldt At north end of Humboldt Bay, by the road between Arcata and Samoa. Comment
  RSA249332  Claytonia rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5610 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  UC198590  Claytonia rubra subsp. depressa Joseph P. Tracy 1917-5-30 4792 Humboldt Little River Beach; Northern Coast Ranges 6 Comment
  HSC78609  Claytonia rubra subsp. depressa L. P. Janeway, K. Berg, Paul Wilson 1985-1-19 1197 Humboldt N Spit of Humboldt Bay, BLM Wallflower Protection Area 5 Comment
  HSC32285  Claytonia saxosa D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5623 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC17754  Claytonia saxosa D. E. Anderson 1967-6-10 4366 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  RSA259540  Claytonia saxosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5623 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  CAS-BOT-BC443891  Claytonia sibirica Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC101994  Claytonia sibirica M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 893 Humboldt Patterson Meadows 1566 Comment
  HSC17731  Claytonia sibirica William J. Ferlatte 1963-4-27 20 Humboldt Waste place, near 11th and A St., Arcata Comment
  HSC54677  Claytonia sibirica Overton, Butler 1979-7-26 9928 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1537254  Claytonia sibirica Gordon H. True Jr. 1936-5-12 472 Humboldt 5 mi s Kneeland 457 Comment
  UC162715  Claytonia sibirica Mrs. M. H. Manning Sep 1901 Humboldt near Hupa Comment
  HSC4886  Claytonia sibirica J. O. Sawyer 1968-9-11 732 Humboldt Along Mill Creel 1524 Comment
  HSC17718  Claytonia washingtoniana D. E. Anderson 1962-3-31 1971 Humboldt Coastal area of Prairie Creek State Park Comment
  HSC17719  Claytonia washingtoniana D. E. Anderson 1962-3-31 1972 Humboldt Coastal area of Prairie Creek State Park Comment
  UC465903  Clematis ligusticifolia P. E. Goddard 1907-7-14 b 126 Humboldt by Mad River Mad River Comment
  CAS-BOT-BC499340  Clintonia andrewsiana Doris K. Kildale 1926-3-26 1638 Humboldt Old Kneeland Road 60 Comment
  SEINET12051465  Clintonia andrewsiana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -287 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  HSC48846  Clintonia uniflora Brad Klipfel 1973-7-15 205 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58065  Clintonia uniflora G. L. Clifton, Griswold 1979-8-1 11943 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  CDA3701  Coincya monensis Jim Belsher 1997-2-13 2 Humboldt Lot ESE of the Manila Community Services District sewage pump station Comment
  HSC70392  Collinsia grandiflora M. A. Baker 1980-6-8 1908 Humboldt Near Buck Flat. 1554 Comment
  UC594235  Collinsia grandiflora S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3416 Humboldt Burr Valley; Burr Valley; Buck Mtn 1036 Comment
  HSC73765  Collinsia greenei Gail Newton 1980-7-11 1317 Humboldt Near Red Mtn. 1341 Comment
  SEINET12268979  Collinsia linearis J. P. Tracy 1950-1 18969 Humboldt Happy Camp Mountain, Trinity Summit on ridge 2 mi E of Groves Prairie 1524 Comment
  HSC20606  Collinsia parviflora Elrid H. Spinas 1948-5-22 29 Humboldt Horse Mtn. Comment
  HSC41245  Collinsia parviflora Brad Klipfel 1974-5-27 391 Humboldt Horse Mtn. Comment
  SEINET12278705  Collomia tinctoria H. P. Chandler 1901-1 1475 Humboldt Klamath River 427 Comment
  HSC55318  Collomia tracyi Griswold, Butler 1979-7-10 7105 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC36436  Conium maculatum John Rehlingl 1974-6-27 Humboldt Along Alliance Rd. Comment
  CDA30705  Conyza canadensis M. K. Beyers, I. Shepardson 2009-9-13 254 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
  HSC99806  Corallorhiza maculata T. Jimerson, J. Pageau 1979-6-13 546 Humboldt Near Onion Lake, close to the town of Orleans. 549 Comment
  RSA183523  Corallorhiza maculata D. E. Anderson 1965-5-15 3687 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  UC1225828  Corallorhiza maculata Joseph P. Tracy 1948-8-15 18150 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC99481  Corallorhiza maculata var. flavida K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 140 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
  HSC28082  Corallorhiza mertensiana J. D. Ackerman, A. Montalvo 1973-7-4 94 Humboldt Grogan Hole Rd, 18 mi. E of Hoopa Comment
  UC14973  Corallorhiza mertensiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5621 Humboldt Bald Mt. North Coast Ranges Comment
  HSC1800  Cordylanthus maritimus subsp. palustris William J. Ferlatte, B. D. Rogers 1966-8-15 3125 Humboldt 6 mi. E of Korbel. Cutoff Redwood. Note from collector, 14 Sep. 1971: 'Probably mislabeled as to locality'. Comment
  JEPS6033  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1938-7-15 16064 Humboldt borders of salt marsh at Fields Landing, around Humboldt Bay Humboldt Bay; Northern Coast Region 3 Comment
  UC1191855  Cordylanthus maritimus subsp. palustris Malcolm A. Nobs and S. Galen Smith 1949-8-3 1200 Humboldt ca 2 mi n Eureka (marshes bordering bay); Humboldt Bay Comment
  OBI9572  Cordylanthus tenuis subsp. viscidus Carl B. Wolf 1937-8-13 9225 Humboldt North Coast Range, 8 mi E of Hoopa Valley on new road towards Trinity summit Comment
  JEPS6785  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1938-8-14 16118 Humboldt South Fork of Trinity River (mountain slopes w of its mouth) 304 Comment
  CDA39436  Cordyline australis Gordon Leppig 2004-6-8 2165 Humboldt Eureka, abandoned railroad tracks at Second St. and Commercial Ave. Comment
  SEINET7836966 Image available Corethrogyne filaginifolia J. B. Davy 1899-6-30 6185 Humboldt Near Ferndale Comment
  HSC57031  Cornus nuttallii Overton, Butler 1979-7-24 9656 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS50171  Cornus nuttallii Lincoln Constance 1934-6-2 789 Humboldt ca. 1/2 mi. w. of its mouth Bull Creek; Bull Creek Region, S. Fork Eel R. Comment
  HSC102041  Cornus sericea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 944 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  UC154053  Cornus sericea subsp. sericea Joseph P. Tracy 1901-8-2 1247 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC668289  Cornus sericea subsp. sericea Joseph P. Tracy 1937-7-24 15518 Humboldt Trinity Summit, Devil's Hole 1676 Comment
  UC1199211  Coronopus didymus Joseph P. Tracy 1901-7-31 1234 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  CAS-BOT-BC172850  Corylus cornuta subsp. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, windswept N slopes, along Hookton Road 9 Comment
  CAS-BOT-BC180304  Corylus cornuta subsp. californica P. C. Everett; E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek, Hwy. 96 from Orleans to Weitchpec 121 Comment
  HSC40987  Corylus cornuta subsp. californica Thomas W. Nelson, Jane P. Nelson 1977-7-1 3561 Humboldt Along fork of Blanket Creek 1463 Comment
  HSC98546  Corylus cornuta var. californica Cara Witte 2007-5-26 652 Humboldt 3/4 mile south of Titlow Hill. 1422 Comment
  SEINET3817858  Cotula coronopifolia H. E. Parks 24211 Humboldt Little River State Park Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  UCD130911  Cotula coronopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-3 1163 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  RSA600661  Crataegus douglasii Louis C. Wheeler 1950-8-14 6780 Humboldt 5 mi. east of Shelter Cove. Comment
Read comments
Jun 20 2011
  CAS-BOT-BC376515  Crepis Volney Rattan 1867-6-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC291480  Crepis capillaris Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC291493  Crepis capillaris Alice Eastwood 1921-7-21 10657 Humboldt Carlotta Comment
  SD39859  Crepis capillaris Edith A. Purer 1932-7-30 4679 Humboldt South or Orick Comment
  UC1199456  Crepis capillaris Joseph P. Tracy 1901-6-16 1142 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1409183  Crepis capillaris Robert F. Thorne and P. Everett 1965-8-8 35236 Humboldt Eureka; n edge, e of Hwy 101 4 Comment
  POM264599  Crepis capillaris C. R. Parks 1941-08 24189 Humboldt Roadsides and fields, vicinity of Trinidad Comment
  RSA95100  Crepis capillaris F. W. Peirson 1923-7-11 3936 Humboldt flats N of Eureka. Comment
  HSC78648  Crepis pleurocarpa D. K. Imper 1982-6-29 1479 Humboldt Near Lassics Lookout 1584 Comment
  HSC98953  Crepis pleurocarpa Cara Witte 2008-7-28 953 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  UC76597  Crocidium multicaule Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa Comment
  UCD130992  Crocidium multicaule Roman Gankin; W. R. Hildreth 1966-3-15 700 Humboldt Klamath River canyon, State Highway 96, 4.6 miles north of Hoopa. Comment
  HSC8629  Croton setiger D. E. Anderson 1961-9-30 1839 Humboldt Along Hwy. 299 Comment
  HSC3567  Cryptantha affinis H. E. Parks, J. P. Tracy 1934-6-27 11059 Humboldt Grouse Mtn. 1433 Comment
  HSC57991  Cryptantha affinis G. L. Clifton, Griswold 1979-7-31 11739 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC33754  Cryptantha leiocarpa A. Montalvo 1975-5-24 284 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  JEPS43034  Cuscuta californica Lincoln Constance 1934-6-15 883 Humboldt Summit of Grasshopper Peak South Fork Eel River, Bull Creek Region, Grasshopper Peak 975 Comment
  UC906743  Cuscuta californica Joseph P. Tracy 1947-7-5 17777 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC562672  Cuscuta campestris Joseph P. Tracy 1933-8-25 12997 Humboldt near mouth of Eel River; Centerville Beach 6 Comment
  HSC82128  Cycladenia humilis D. K. Imper 1985-6-18 Humboldt At ridgetop 1.5 mi. N of Whitey's Peak 1707 Comment
  HSC34495  Cynoglossum grande J. D. Ackerman 1975-5-3 438 Humboldt Ca. 3.5 mi. E of Chezem Rd. and Hwy. 299 intersection W of Redwood Creek Comment
  HSC45646  Cynoglossum grande Diane L. Reed 1978-5-27 135 Humboldt Horse Mtn., Titlow Hill Rd., 2.7 mi. from Hwy. 299 Comment
  UCD19980  Cynoglossum grande C. H. Lamoureux; R. Gankin 1956-3-17 1041 Humboldt 1 mile north of Garberville on Hwy 101. Comment
  UC1222260  Cynoglossum occidentale Joseph P. Tracy 1948-8-15 18121 Humboldt on Ridge 2 mi. e. of Grove's Prairie (Trinity Summit Rd.); Trinity Summit 1524 Comment
  CHSC83244  Cynosurus cristatus Ray Evens 1956-7-19 Humboldt 4.5 miles northwest of Petrolia. Comment
  HSC26617  Cynosurus echinatus J. P. Smith, Steve Selva 1970-6-14 3827 Humboldt Along Hwy. 96 at Whitmore Creek. 152 Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  HSC69630  Cynosurus echinatus R. Kalal 1980-6-3 29 Humboldt Junction of Spring St. and Hill St., Arcata 43 Comment
  HSC954  Cynosurus echinatus DWC 1956-5-29 Humboldt Petrolia Comment
  UC1196445  Cypripedium montanum D. F. Young 1924-4-26 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC71494  Cystopteris fragilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5844 Humboldt Trinity Summit Comment
  JEPS35178  Cystopteris fragilis Joseph P. Tracy 1925-11-25 7325 Humboldt near S Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  RSA183569  Cytisus monspessulanus R. I. Bonn 1965-3-19 8 Humboldt 1/2 mi. south of G.P. mill on Samoa Rd. Comment
  CDA4074  Cytisus scoparius T. C. Fuller 1961-3-22 5939 Humboldt North slope, Humboldt Hill, Eureka. 0 Comment
  HSC58538  Dactylis glomerata Overton, Butler 1979-7-23 9462 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  HSC74563  Dactylis glomerata M. A. Baker 1980-5-17 1244 Humboldt Near Le Perron Peak 1066 Comment
  RSA126598  Dactylis glomerata H. S. Yates 1936-6-23 5852 Humboldt 2 miles E of mouth of Mad River. 30 Comment
  HSC71722  Danthonia californica Marc Baker 1980-7-26 2465 Humboldt Near Sims Creek. 610 Comment
  UC1131389  Danthonia californica var. americana H. L. Person 1932-5-11 Humboldt near Arcata; Eureka Quadrangle Comment
  UC526687  Danthonia californica var. americana Joseph P. Tracy 1932-7-10 10392 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UCD60512  Danthonia californica var. americana A. H. Murphy 1947-6-9 s.n. Humboldt Parrott's Ranch, Table Bluff, ca. 1.5 miles north of Loleta. Comment
  UCD60514  Danthonia californica var. americana R. Tofsrud 1947-6-27 s.n. Humboldt About halfway between Yager and Kneeland on county road. Comment
  UCD60692  Danthonia californica var. americana A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3474 Humboldt 4 miles north of Bridgeville. Comment
  UCD61365  Danthonia unispicata Joseph P. Tracy 1951-6-26 19593 Humboldt North side of Board Camp Mountain at extreme head of Redwood Creek. Comment
  CAS-BOT-BC420363  Darmera peltata Doris K. Kildale 1926-3-28 1679 Humboldt Redwood Creek at Berry's 289 Comment
  JEPS12215  Datura stramonium Joseph P. Tracy 1916-9-5 4762 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork Eel River 60 Comment
  CDA30706  Daucus carota M. K. Beyers, I. Shepardson 2009-9-13 251 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
  UC642295  Daucus carota Joseph P. Tracy 1932-9-16 10796 Humboldt near mouth Mad River 30 Comment
  UC1197352  Daucus pusillus Joseph P. Tracy 1901-8-2 1248 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1197349  Daucus pusillus J. P. Tracy 1901-6-16 1145 Humboldt near Bucksport 0 Comment
  HSC100617  Delphinium Carl C. Marshall Apr 1886 187 Humboldt Vicinity of Humboldt Bay. Comment
  BLMAR630  Delphinium decorum Jennifer Wheeler 2011-6-15 630 Humboldt Lacks Creek, Pine Ridge Road Comment
  CAS-BOT-BC33215  Delphinium decorum subsp. tracyi Harold Ernest Parks; Joseph Prince Tracy 1930-3-25 789 Humboldt Laribee Valley 914 Comment
  HSC97177  Delphinium decorum subsp. tracyi Benjamin Hart, Erin Lonergan 2007-6-4 2 Humboldt Grouse Mtn., Coldsprings Camp, 6.5 mi. up Titlow Hill Rd. 1372 Comment
  RSA152334  Delphinium hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley, Willow Creek Comment
  HSC36195  Delphinium menziesii John Rehling 1975-5-15 83 Humboldt 8 mi. W of Ferndale on the Mattole Rd. Comment
  CAS-BOT-BC121962  Delphinium trolliifolium Doris K. Kildale 1928-5-15 6018 Humboldt Bug Creek, Chaparral Mountain 914 Comment
  CAS-BOT-BC121973  Delphinium trolliifolium E. K. Balls; L. W. Lenz 1955-5-15 20736 Humboldt 9.9 mi. SW from Fernbridge, along Old Coast road to Capetown 502 Comment
  UC1334518  Delphinium trolliifolium G. A. L. Mehlquist and J. A. Jenkins 1940-5-29 9 Humboldt 1 1/2 mi n Kneeland Comment
  JEPS5768  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  RSA10094  Deschampsia danthonioides Joseph P. Tracy 1932-7-14 10538 Humboldt Klamath Mountains, Trinity Summit; At Corral Prairie 1524 Comment
  RSA12531  Deschampsia danthonioides C. B. Wolf 1934-7-2 5907 Humboldt 4.5 mi. from Snow Camp on rd. to Bald Mt. (Mts. east of Korbel) Comment
  CDA31675  Deschampsia elongata T. C. Fuller 1962-8-6 9363 Humboldt Near Hwy 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Rd., 1 miles west of Green Point School. 0 Comment
  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
  JEPS75412  Deschampsia elongata W. L. Jepson 1932-7-24 16381 Humboldt 91 Comment
  UC1103215  Deschampsia elongata J. P. Tracy 1899-7-22 331 Humboldt immediate vicinity of Eureka 0 Comment
  HSC8603  Deschampsia elongata D. W. C. 1956-5-29 13 Humboldt Mattole- Rio Del -Atwell Creek Comment
  HSC76359  Dicentra formosa Denis Kearns 1981-7-8 164 Humboldt Near Bluff Creek 622 Comment
  UC1362290  Dicentra formosa Kingsley R. Stern 1964-6-13 2106 Humboldt 2.3 mi w U.S. Highway 101 (on e bank of Redwood Creek); Redwood Creek Comment
  CAS-BOT-BC402402  Dicentra formosa subsp. formosa Mrytle Paulson 1918-4-18 s.n. Humboldt Eureka Comment
  CAS-BOT-BC402411  Dicentra formosa subsp. formosa Duart V. Brown 1947-3-29 19 Humboldt Tecwan Creek, Klamath River Comment
  HSC72685  Dicentra formosa subsp. oregana J. P. Smith 1977-7-3 9267 Humboldt Onion Lake Comment
  HSC3031  Dichelostemma ida-maia D. E. Anderson 1965-5-15 3710 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek, above Trinity River Comment
  SEINET202731  Dichelostemma ida-maia Joseph P. Tracy, A. H. Murphy 1951-6-26 19568 Humboldt Vicinity of Twin Lakes and Snow Camp. Comment
  CAS-BOT-BC501014  Dichelostemma ida-maia Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  UC1222689  Dichelostemma ida-maia Joseph P. Tracy 1950-6-15 18777 Humboldt 5 mi n Harris (on the Overland Road); Mail Ridge Comment
  HSC6401  Dichondra donelliana J. P. Tracy 1932-3-20 9785 Humboldt Near ocean, Trinidad 3 Comment
  UC1103231  Digitaria sanguinalis Joseph P. Tracy 1934-8-14 13579 Humboldt 1 mi above mouth South Fork of Eel River; North Coast Ranges, South Fork of Eel River 60 Comment
  CAS-BOT-BC150344  Diplacus aurantiacus C. C. Harris; S. K. Harris 1936-6-9 s.n. Humboldt Above Carlotta 60 Comment
  CAS-BOT-BC150345  Diplacus aurantiacus C. C. Harris; S. K. Harris 1936-6-9 s.n. Humboldt Above Carlotta 60 Comment
  UC275553  Disporum hookeri Joseph P. Tracy 1924-5-4 6670 Humboldt Grizzly Creek on Van Duzen River Grizzly Creek; Northern Coast Ranges, Van Duzen River, Grizzly Creek 91 Comment
  UC30077  Disporum hookeri Harley P. Chandler May, 1901 1089 Humboldt North Coast Ranges 152 Comment
  UC1052467  Disporum smithii H. E. and S. T. Parks 1952-5 24452 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove 60 Comment
  UCR26493  Disporum smithii A. C. Sanders 1981-8-6 2304 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  POM278274  Disporum smithii Lyman Benson 1928-7-11 163 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  HSC9636  Distichlis spicata Paul Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  HSC102009  Dodecatheon alpinum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 910 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  RSA32864  Downingia yina A. A. Heller 1923-7-8 13771 Humboldt Near Fortuna Comment
  UC562604  Draperia systyla Joseph P. Tracy 1935-7-31 14389 Humboldt Devil's Backbone; ridge connecting Trinity Summit and Salmon Summit 1524 Comment
  UC1198846  Drosera rotundifolia Joseph P. Tracy Jul 16 1930-Jul 19 1930 9002 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  RSA0011669  Drosera rotundifolia Patricia Wilder 1968-8-21 4380 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  UC12540  Drymocallis glandulosa var. wrangelliana C. C. Marshall 1888-1 Humboldt Comment
  UC1198835  Dudleya farinosa Joseph P. Tracy 1930-7-21 8892 Humboldt 3 mi s point of the cape (sw slopes, fronting the ocean); Northern Coast Ranges, Cape Mendocino Comment
  UC1056037  Echinochloa crus-galli H. E. Parks 24213 Humboldt Spruce Cove Comment
  HSC90658  Eleocharis macrostachya Gail Newton 1982-6-10 3640 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC7307  Eleocharis macrostachya D. E. Anderson 1961-9-9 1783 Humboldt Along Hwy. 101 Comment
  HSC7341  Eleocharis obtusa J. P. Tracy 1927-8-7 8319 Humboldt Lack Pond in Trinity River Valley opposite mouth of Willow Creek 152 Comment
  CHSC96444  Eleocharis pachycarpa Gordon Leppig 1997-8-3 648 Humboldt Big Lagoon County Park, Big Lagoon Bog. UTM Zone 10 NAD 1927, 405321E 4557202N. 3 Comment
  RSA246877  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-8-9 35338 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  HSC77865  Eleocharis parvula L. J. Heflin 1984-5-13 5 Humboldt Hauser Marsh Comment
  HSC98801  Elymus elongatus Cara Witte 2007-7-12 519 Humboldt Along Forest Service Road 5N10. 1.25 miles south of intersection with 5N41. 1283 Comment
  HSC1804  Elymus glaucus William J. Ferlatte, B. D. Rogers 1966-6-15 2107 Humboldt Larabee Valley 762 Comment
  HSC9718  Elymus glaucus D. E. Anderson, T. O. Preston 1963-3-1 19 Humboldt Near bridge over Supply Creek. Comment
  RSA129235  Elymus glaucus H. S. Yates 1936-6-17 5705 Humboldt South Fork Pk.; Lower N.W. slope of Buck Mt. 793 Comment
  UC53395  Elymus glaucus Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5565 Humboldt Alton Comment
  UCD61792  Elymus glaucus J. B. Davy; W. C. Blasdale 1899-6-16 5565 Humboldt Alton. Comment
  CAS-BOT-BC203481  Elymus glaucus subsp. glaucus Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  UCD62410  Elymus glaucus subsp. virescens G. L. Stebbins Jr.; G. L. Church 1941-5-26 3106 Humboldt Just north of Little River, south of Trinidad. Comment
  HSC74674  Elymus multisetus Gail Newton 1981-7-23 2269 Humboldt Near Bug Creek Butte 1494 Comment
  SEINET10564727  Elymus multisetus Joseph P. Tracy 1912-7-26 Tracy 3839 Humboldt Common on dry slopes, Kneeland Prairie. 762 Comment
  UCD62660  Elymus trachycaulus L. Whitney 1933-7-9 Humboldt Black's Lake. 1706 Comment
  HSC98656  Epilobium brachycarpum Cara Witte 2007-7-26 589 Humboldt National Forest 1 on Kinsey Ridge. 1/4 mile south of intersection with 4N06. Near power poles. 1283 Comment
  CAS-BOT-BC166892  Epilobium canum subsp. latifolium Doris K. Kildale 1925-9-10 1110 Humboldt Bug Creek 792 Comment
  UC205233  Epilobium canum subsp. latifolium Joseph P. Tracy 1919-9-23 5288 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  RSA755161  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, P. Everett 1965-8-9 35347 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  HSC49656  Epilobium ciliatum subsp. watsonii J. P. Smith 1971-10-6 4952 Humboldt At the end of Murray Rd., McKinleyville Comment
  UCD105925  Epilobium ciliatum subsp. watsonii Linda M. Barker 1976-7-5 1637 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC49828  Epilobium densiflorum Maralyn O'Meara 1974-7-11 529 Humboldt Kneeland, Barry Ridge Comment
  POM247179  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1936-8-7 15102 Humboldt Trinity Summit, head of Hors-Linto Creek 1524 Comment
  POM89781  Epilobium hallianum Joseph P. Tracy 1919-9-18 5234 Humboldt Trinity Summit. 1829 Comment
  HSC36459  Equisetum hyemale subsp. affine John Rehling 1976-2-20 112 Humboldt Growing along the banks of the Van Dusen just W of Bridgeville Comment
  CAS-BOT-BC57791  Equisetum telmateia Joseph P. Tracy 1934-6-28 13268 Humboldt By Salmon Creek. 9 Comment
  HSC37403  Equisetum telmateia subsp. braunii Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 512 Humboldt Along Lost Man Creek. 38 Comment
  HSC54551  Equisetum telmateia subsp. braunii Overton, Butler 1979-7-23 9541 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC526937  Equisetum telmateia subsp. braunii Joseph P. Tracy 1934-3-17 13163 Humboldt Trinidad 3 Comment
  HSC91901  Equisetum telmateia subsp. braunii E. Mackey 1987-2-18 Humboldt Patrick's Point State Park, on trail to Wedding Rock Comment
  POM118344  Equisetum telmateia var. braunii Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  SEINET200659 Image available Eragrostis hypnoides Joseph P. Tracy 1920-8-15 5367 Humboldt Klamath River mouth of Bluff Creek 152 Comment
  HSC5493  Erechtites glomeratus J. W. Johnson 1962-4-18 1261 Humboldt Arcata; N of the Hunt and Bull Farms, Samoa Peninsula Comment
  RSA95041  Erechtites glomeratus F. W. Peirson 1926-7-12 7037 Humboldt Right bank of Redwood Creek, Orick Comment
  CAS-BOT-BC299906  Erechtites minimus Henry M. Pollard 1948-7-21 s.n. Humboldt Near Ferrian Ranch, Orleans Comment
  RSA89771  Erechtites minimus P. A. Munz 1954-7-25 19871 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  SD40100  Erechtites prenanthoides Edith A. Purer 1932-7-30 4684 Humboldt South of Orick Comment
  UCR48863  Erechtites prenanthoides R. D. Goeden, Don W. Ricker 1987-9-2 870902- 20 Humboldt Beside Mattole Rd at Bear River Ridge, south of Ferndale 525 Comment
  UC1198998  Eremocarpus setiger Joseph P. Tracy 1908-6 2851 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC32286  Eremogone congesta var. crassula D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5632 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  RSA783323  Erica lusitanica R. R. Halse 2010-3-25 7855 Humboldt Along US Hwy 101 ca. 9.7 miles S of Orick. 5 Comment
  CAS-BOT-BC287477  Ericameria greenei Doris K. Kildale 1925-8-17 1212 Humboldt Trinity Summit at Ranger Station 1828 Comment
  UC1199413  Ericameria nauseosa var. speciosa Joseph P. Tracy 1935-7-30 14360 Humboldt Salmon Summit 1767 Comment
  UC204831  Erigeron biolettii Joseph P. Tracy 1918-7-6 5052 Humboldt near Humboldt-Mendocino County line (rock ledges along river); South Fork Eel River 152 Comment
  CAS-BOT-BC296114  Erigeron foliosus var. confinis Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans Comment
  HSC26467  Erigeron glaucus T. O. Osborne 1970-5-22 28 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  HSC58349  Erigeron inornatus var. inornatus Overton, Butler 1979-8-2 12683 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC164848  Erigeron inornatus var. inornatus Joseph P. Tracy 1911-7-8 3442 Humboldt near mouth of Willow Creek (valley of Trinity River); Trinity River Valley 152 Comment
  UC1223137  Erigeron inornatus var. inornatus Joseph P. Tracy 1950-7-31 19228 Humboldt about 1 mi n Friday's Camp (open glade where road crosses sides of the ridge); Friday Ridge Comment
  UC165064  Erigeron inornatus var. inornatus Joseph P. Tracy 1908-7-1 2894 Humboldt ridge between Van Duzen River and Mad River (near low gap, Humboldt and Trinity Counties); Trinity County 914 Comment
  HSC98524  Erigeron klamathensis Cara Witte 2008-7-30 978 Humboldt National Forest 1. 2 miles north of intersection with Forest Service Road 4N09. 1267 Comment
  HSC95767  Erigeron maniopotamicus Thomas W. Nelson, Sydney Carothers 2004-6-18 9249 Humboldt Along Swayback Ridge Rd., which branches off Forest Service Rd. 1N08, 1/4 mi. past gate 1357 Comment
  CAS-BOT-BC214578  Erigeron philadelphicus D. E. Breedlove 1961-7-3 643 Humboldt Along Eel River, 7.4 miles north of Phillipsville 243 Comment
  CAS-BOT-BC214583  Erigeron philadelphicus Doris K. Kildale 1926-5-31 2023 Humboldt Miranda on South Fork of Eel River Comment
  HSC100373  Erigeron robustior D. Decker 2010-7-28 Humboldt Dinsmore, off 1N08 on Buck Mtn. 1353 Comment
  POM126126  Erigeron strigosus Joseph P. Tracy 1923-6-27 6384 Humboldt Trinity River Valley, near Willow Creek Comment
  CAS-BOT-BC224258  Eriodictyon californicum Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Redcap Creek Comment
  HSC70691  Eriodictyon californicum Gail Newton 1980-7-15 1566 Humboldt Near Sims Mtn. 1311 Comment
  RSA44298  Eriodictyon californicum H. M. Pollard 1945-9-1 s.n. Humboldt Road to Redcap Creek. Comment
  CHSC10122  Eriogonum latifolium J. W. Johnson 1961-8-17 1040 Humboldt Arcata. W. M. Lanphere Farm, Samoa Peninsula. On stabilized sand, dune fields. Comment
  SD185287  Eriogonum latifolium G. K. Helmkamp, E. A. Helmkamp 2001-7-8 7016 Humboldt North coast: Samoa Peninsula, 2.6 mi S of CA-255 bridge across Humboldt Bay 14 Comment
  RSA393623  Eriogonum latifolium Charlotte M. Hoak 1931-7-14 s.n. Humboldt Above Eureka. Comment
  RSA65140  Eriogonum latifolium F. W. Peirson 1923-7-11 3713 Humboldt 6 miles north of Eureka Comment
  HSC55268  Eriogonum nudum Overton, Butler 1979-8-2 12638 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC99501  Eriogonum nudum var. nudum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 161 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
  OBI82417  Eriogonum nudum var. nudum Dennis Anderson, D Santana, J Lackey 1971-7-15 5265 Humboldt Trinity CO. : Along 1 SO 7, T 29 N, R 6 E, secs. 29, 30, along Shanty Creek, CA. 5 miles west of Ruth Dam. 1341 Comment
  CAS-BOT-BC261726  Eriogonum nudum var. oblongifolium Doris K. Kildale 1925-6-28 813 Humboldt Kneeland Prairie 762 Comment
  UC1198145  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1947-7-9 17866 Humboldt 3 mi ne, on Lord-Ellis Road at Mankins Ranch Blue Lake; Mankins Ranch 304 Comment
  UC54703  Eriogonum nudum var. pubiflorum Harley P. Chandler June, 1901 1468 Humboldt Klamath River North Coast Ranges, Klamath River 365 Comment
  HSC74698  Eriogonum umbellatum Gail Newton 1981-7-24 2291 Humboldt Near Chaparral Mtn. 1512 Comment
  CAS-BOT-BC444001  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8347 Humboldt Along U.S. Forest Service Road 1 near White Rock Springs at milepost 7.6, about 7.8 air miles southwest of Salyer 1493 Comment
  UC1198157  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1932-7-12 10459 Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  UCR37846  Eriogonum umbellatum var. nelsoniorum Walter C. Overton, Marvin Butler 1979-7-26 9994 Humboldt North Coast Range, near Willow Creek, east fork, close to the town of Willow Creek 1341 Comment
  OBI10943  Eriogonum umbellatum var. polyanthum Carl B. Wolf 1937-8-13 9221 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  HSC56464  Eriophyllum lanatum var. achilleoides Griswold, Butler 1979-7-12 7262 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  CAS-BOT-BC301012  Eriophyllum lanatum var. achilleoides Doris K. Kildale 1925-6-28 913 Humboldt Fleener Creek Comment
  SEINET11850725  Eriophyllum lanatum var. achilleoides J. P. Tracy 1950-1 18790 Humboldt at Jenk's Ranch, 7 mi N of Harris Comment
  UC165859  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1911-6-29 3268 Humboldt near Hydesville (gravel bar of river); Van Duzen River 60 Comment
  UC34551  Eriophyllum lanatum var. achilleoides Chesnut and Drew 1888-7-12 Humboldt Jarnigan's Comment
  HSC8501  Erodium cicutarium Jack Rockwell 1962-4-29 66 Humboldt N Bank of Van Duzen River, E of Hwy. 101 Comment
  HSC8479  Erodium cicutarium R. J. Vernimen 1963-2-17 8 Humboldt Clam Beach Lagoon, along railroad tracks Comment
  UC1222612  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1951-6-21 19528 Humboldt in bed of former Goose Lake (back of Everett Beck house on ranch, Hydesville); Hydesville, , Everett Beck ranch house Comment
  RSA0008580  Erysimum menziesii R. I. Bonn 1965-3-19 10 -a Humboldt 4 miles west of Arcata, on Lanphere Road Comment
  HSC57884  Erysimum perenne Walter Overton, Marvin Butler 1979-7-31 11428 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 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
  CAS-BOT-BC504308  Erythronium californicum Joseph P. Tracy 1938-6-13 15896 Humboldt Horse Mountain 1432 Comment
  HSC15487  Erythronium citrinum var. citrinum R. A. Rasp 1964-4-5 29 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  HSC48528  Erythronium grandiflorum subsp. grandiflorum Mark Flippo 1978-5-21 60 Humboldt USFS Rd. 8N20 Comment
  HSC99352  Erythronium oregonum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-21 1 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC146086  Eschscholzia californica Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  HSC58379  Eucephalus ledophyllus Terry Griswold 1979-7-25 10759 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1814 Comment
  HSC58830  Eucephalus ledophyllus Overton, Butler 1979-8-2 12607 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA168833  Euchiton gymnocephalus Joseph P. Tracy 1946-6-23 17596 Humboldt Dan McBride's place, southeast end of Kneeland Prairie 762 Comment
  UC1223112  Euchiton sphaericus Joseph P. Tracy 1949-10-16 18591 Humboldt near Grizzly Creek; Van Duzen River 91 Comment
  UC1223113  Euchiton sphaericus Joseph P. Tracy 1942-7-26 17299 Humboldt 1 mi n Redwood House (on the Redwood House Road at old mill site); Valley of South Yager Creek 457 Comment
  POM292452  Euchiton sphaericus Lyman Benson 1929-7-16 1831 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  CAS-BOT-BC206915  Euonymus occidentalis Milo S. Baker 1923-7-25 113 Humboldt Salmon Cr. near Carlotta Comment
  UC165814  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1911-6-4 3232 Humboldt along Little R. 5 mi. from coast Little R.; Northern Coast Region, Little R. 121 Comment
  CDA4817  Euphorbia helioscopia W. Simas 1962-12-4 Humboldt Fisher property, Island School Road, Ferndale. 0 Comment
  RSA602487  Euphorbia helioscopia D. Koutnik 1996-7-3 s.n. Humboldt Manila. Comment
  UC302983  Euphorbia spathulata Joseph P. Tracy 1926-5-2 7431 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC5091  Eurybia radulina H. E. Parks, J. P. Tracy 1930-9-15 769 Humboldt Kneeland Bald Hills Comment
  CAS-BOT-BC312211  Eurybia radulina Doris K. Kildale 1925-8-21 1312 Humboldt Head of South Yager Creek 914 Comment
  HSC91888  Festuca arundinacea E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  SBBG53090  Festuca bromoides R. N. Philbrick 1976-6-25 11 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  SEINET200342 Image available Festuca californica J. P. Tracy 1901-6-23 1175 Humboldt Eureka. 0 Comment
  HSC98829  Festuca californica var. californica Cara Witte 2007-5-21 70 Humboldt White Oak Opening. 1257 Comment
  RSA123475  Festuca californica var. californica H. S. Yates 1936-6-22 5848 Humboldt Willow Creek, China Flat (Humboldt) Comment
  HSC70903  Festuca idahoensis R. York 1980-5-18 599 Humboldt Near Black Mtn. 792 Comment
  POM206178  Festuca idahoensis H. P. Chandler 1901-06 1381 Humboldt Hupa Indian Reservation. 305 Comment
  HSC9947  Festuca occidentalis D. W. C 1956-4-30 Humboldt Matole River Area Comment
  CAS-BOT-BC278970  Festuca rubra W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  HSC103065  Festuca rubra J. P. Smith 2014-6-4 13867 Humboldt Big Lagoon County Park 5 Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  UC38554  Festuca rubra Schmidt Humboldt Humboldt Bay Comment
  UCD66356  Festuca rubra subsp. pruinosa H. S. Yates 1936-6-16 5667 Humboldt 1 mile S.W. of Samoa. 6 Comment
  POM126171  Festuca subulata Joseph P. Tracy 1903-5-23 1899 Humboldt Alder Point, on Eel River. 244 Comment
  UC187119  Festuca subuliflora J. P. Tracy 1900-5-22 801 Humboldt immediate vicinity Eureka 0 Comment
  UCD66489  Festuca subuliflora R. Tofsrud 1949-7-1 Humboldt On road from Scotia to Capetown. Comment
  UC1197363  Foeniculum vulgare Joseph P. Tracy 1930-10-12 9216 Humboldt Eel R. Alton to Fortuna; Eel R. 15 Comment
  HSC39972  Fragaria X ananassa Linda M. Barker 1976-3-22 1335 Humboldt 3 mi. W of Arcata Comment
  RSA183617  Fragaria californica D. E. Anderson 1965-5-1 3558 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  CAS-BOT-BC453521  Fragaria chiloensis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC18620  Fragaria chiloensis R. A. Rasp 1964-5-20 49 Humboldt 4 mi. W of Arcata off Lanphere Rd. on Lanphere Ranch Comment
  HSC18622  Fragaria chiloensis D. B. Bader 1963-2-17 14 Humboldt Second of the Clam Beach Lagoons W of Hwy. 101 Comment
  HSC18624  Fragaria chiloensis J. W. Johnson 1961-8-17 1015 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  CAS-BOT-BC453516  Fragaria chiloensis W. R. Dudley 1899-6-1 s.n. Humboldt Pennisula of Eureka Comment
  UC154223  Fragaria chiloensis Joseph P. Tracy 1904-4-24 2025 Humboldt Ocean Beach, sand dunes Humboldt Bay Comment
  UC183556  Fragaria vesca Joseph P. Tracy 1913-6-25 4340 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC44359  Frangula californica Brad Klipfel 1974-9-17 574 Humboldt Horse Mtn. Comment
  CAS-BOT-BC52744  Frangula californica subsp. californica Doris K. Kildale 1927-7-3 3652 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC53405  Frangula californica subsp. occidentalis Carl B. Wolf 1931-8-30 2377 Humboldt Lord Ellis Road, 9 mi. above Willow Creek on grade from Willow Creek to Blue Lake 304 Comment
  CAS-BOT-BC53406  Frangula californica subsp. occidentalis John Thomas Howell 1937-7-31 13717 Humboldt 5 miles east of Berry Summit Comment
  CAS-BOT-BC59968  Frangula purshiana Harley P. Chandler 1901-5-1 1173 Humboldt Humboldt Bay. 30 Comment
  OBI36633  Frangula purshiana David J. Keil 1983-7-2 17306 Humboldt Ca. 10.5 mi E of jctn with US 101 along SR 299 Comment
  SEINET9354429  Frangula purshiana Unknown 1965-9-30 Humboldt Kneeland Comment
  SEINET200756  Frasera speciosa Joseph P. Tracy 1917-9-2 4851 Humboldt Grouse Mt. 1524 Comment
  HSC39183  Fraxinus latifolia D. E. Anderson, J. P. Smith 1971-6-28 1217 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC15541  Fritillaria affinis Elrid H. Spinas 1948-6-16 68 Humboldt Horse Mtn. Comment
  HSC35724  Fritillaria affinis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1902 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC96863  Fritillaria affinis Frances Reuss Harmon 2001-3-31 17 Humboldt Grays Falls picnic area, SE edge of open rocky soil Comment
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Apr 21 2014
  UC175284  Fritillaria affinis Joseph P. Tracy 1913-6-20 4228 Humboldt nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC902105  Fumaria officinalis Joseph P. Tracy 1949-4-1 18277 Humboldt Eureka; Northern Coast Ranges Comment
  RSA654821  Fumaria officinalis Gordon Leppig, Sylvia Leppig 2000-12-7 1523 Humboldt Arcata, 7th and I Street just west of Post Office 6 Comment
  SEINET11117327  Galium anglicum Unknown 1916-1 4730 Humboldt Alder Point, 500 ft. Comment
  HSC102052  Galium aparine M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 957 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  UCD121621  Galium aparine Linda M. Barker 1976-6-14 1601 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC40043  Galium bolanderi Thomas W. Nelson, Jane P. Nelson 1976-7-1 2896 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC71791  Galium bolanderi Gail Newton 1980-6-16 179 Humboldt Near Monks Camp. 1097 Comment
  UC416637  Galium boreale subsp. septentrionale Harley P. Chandler 1901-6-14 1484 Humboldt between Orleans Bar and Somes Bar; North Coast Ranges, Klamath River 304 Comment
  UC169003  Galium mexicanum var. asperulum Joseph P. Tracy 1908-6 2861 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS52840  Galium muricatum Lauramay T. Dempster 1963-9-3 3919 Humboldt s Orleans (steep w-facing slope of side canyon); Slate Creek Bridge 94 Comment
  UC602539  Galium parisiense Joseph P. Tracy 1911-7-4 3278 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC99319  Galium porrigens var. porrigens C. B. Wolf 1927-8-30 1225 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC1192013  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-3 1160 Humboldt 1 mi s Fields Landing (borders of irrigation ditch); Eel River Valley Comment
  UC602538  Galium triflorum Joseph P. Tracy 1932-7-17 10654 Humboldt woods near Corral Prairie; Trinity Summit 1584 Comment
  BLMAR268  Gamochaeta ustulata Jennifer Anthony-Wheeler 1999-6-16 268 Humboldt Headwaters Forest Reserve, Disturbed or wasted areas 463 Comment
  UC164849  Gamochaeta ustulata J. P. Tracy 1907-6-20 2573 Humboldt immediate vicinity Eureka 0 Comment
  UC165753  Gamochaeta ustulata J. P. Tracy 1906-5-20 2468 Humboldt immediate vicinity Eureka 0 Comment
  HSC41276  Garrya buxifolia Brad Klipfel 1974-6-25 430 Humboldt Horse Mtn. Comment
  HSC76358  Garrya buxifolia Denis Kearns 1981-6-24 22 Humboldt Near Cedar Camp 1219 Comment
  CAS-BOT-BC188531  Garrya elliptica Doris K. Kildale 1925-5-25 6043 Humboldt Eureka Slough, Eureka Comment
  HSC26847  Garrya elliptica Thomas W. Nelson 1971-1-9 325 Humboldt Patrick's Point State Park near Ceremonial Rock Comment
  RSA286356  Garrya elliptica Robert F. Thorne 1974-7-29 45081 Humboldt Samoa Dunes. Comment
  OBI14161  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow crk Comment
  RSA21606  Garrya fremontii Carl B. Wolf 1937-8-13 9228 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  CAS-BOT-BC58914  Gaultheria shallon Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CHSC24746  Gaultheria shallon G. Strang 1976-4-11 9 Humboldt All along e side of U.S. 101 ca. 2 mi s of Orick. 9 Comment
  UC412682  Gaultheria shallon Mrs. M. H. Manning Oct. 1901 Humboldt near Hupa Comment
  UCSB4793  Gaultheria shallon Keator, Glenn 1958-6-18 Humboldt Road between Bridgeville and Kneeland Comment
  HSC7814  Gaultheria shallon Neuns 1950-10-9 136 Humboldt 2 mi. W of Thorne 335 Comment
  SEINET11996979  Gaultheria shallon F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 293 a Humboldt 2.4 mi W of US 101 on CA 169 from Klamath to Klamath Glen along Klamath River 50 Comment
  HSC40848  Gayophytum humile Thomas W. Nelson 1976-7-9 3002 Humboldt W side of ridge S of E peak of Mount Lassic group 1524 Comment
  HSC58834  Gayophytum racemosum Overton, Butler 1979-7-31 11406 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UCR84793  Genista linifolia Kathy Harper 1992-5-14 s.n. Humboldt Coast Range, Van Duzen River, c. 1.5 mi. west of Bridgeville on State Hwy 36 195 Comment
  HSC12458  Genista monspessulana F. S. Griffith 1965-4-24 115 Humboldt Near Azalea Park along N bank of Mad River. Comment
  JEPS64791  Genista monspessulana W. L. Jepson 1936-8-11 17869 Humboldt Philipsville South Fork Eel River Comment
  RSA15567  Gentiana oregana Carl B. Wolf 1927-8-29 1194 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  HSC57882  Gentiana plurisetosa Walter Overton, Marvin Butler 1979-7-31 11420 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  CAS-BOT-BC217408  Gentiana plurisetosa Theodore F. Niehaus 1972-8-29 s.n. Humboldt A few hundred yards east of the town of Hoopa Comment
  HSC12414  Gentiana sceptrum D. Santana 1970-10-14 35 Humboldt Big Lagoon Bog Comment
  SD42345  Gentiana sceptrum Carl B. Wolf 1937-9-12 9328 Humboldt Big Lagoon; south side along Redwood Highway. 6 Comment
  UC1198642  Gentiana sceptrum Joseph P. Tracy 1920-8-29 5393 Humboldt Dows Prairie Northern Coast Ranges 45 Comment
  HSC8642  Geranium bicknellii D. E. Anderson 1963-5-25 2497 Humboldt 4 mi. E of Petrolia. Comment
  UC165812  Geranium dissectum Joseph P. Tracy 1909-7-4 3006 Humboldt Eureka Northern Coast Region 0 Comment
  UC164809  Geranium molle Joseph P. Tracy 1906-5-6 2436 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1198960  Geranium oreganum Joseph P. Tracy 1935-5-25 13880 Humboldt Fort Seward 106 Comment
  RSA0029455  Geranium oreganum Volney Rattan 1878-06 s.n. Humboldt North of Redwood Creek. Comment
  UC164808  Geranium oreganum Joseph P. Tracy 1911-7-4 3287 Humboldt near Willow Creek (w side of Trinity River); Northern Coast Ranges, Trinity River 243 Comment
  HSC16967  Gilia capitata J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  HSC35705  Gilia capitata subsp. capitata Thomas W. Nelson, B. Reinhardt 1975-7-30 2121 Humboldt Beside private road to Pilot Rock Comment
  HSC16985  Gilia millefoliata R. T. Forester 1963-5-6 49 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  UC1197895  Gilia sinistra subsp. sinistra Joseph P. Tracy 1930-7-23 9133 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC100596  Gilia tricolor Carl C. Marshall May 1887 420 Humboldt Dobbyn's Creek. Comment
  HSC16986  Gilia tricolor J. E. Lankila 1962-5-6 26 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  HSC71724  Githopsis specularioides M. A. Baker 1980-6-26 2461 Humboldt Near Sims Creek 610 Comment
  UC582540  Glebionis segetum Joseph P. Tracy 1932-5-30 10125 Humboldt Rohnerville 91 Comment
  SEINET12118385  Glehnia leiocarpa L. R. Abrams 1916-1 6140 Humboldt at Trinidad Comment
  POM126119  Glyceria fluitans Joseph P. Tracy 1924-8-3 6749 Humboldt Stone Lagoon Comment
  UC1199056  Glycyrrhiza lepidota Joseph P. Tracy 1935-5-30 13913 Humboldt Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC302533  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt Trinity Summit. Open places at Corral Prairie 1584 Comment
  JEPS20478  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt open places at Corral Prairie (in low wet ground); Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC304740  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  HSC37692  Grindelia hirsutula R. Sutherland 1976-8-6 13 .6876 Humboldt Disturbed edge of county road, just W of China Creek 223 Comment
  HSC39110  Grindelia hirsutula Gary S. Lester 1974-8-24 528 Humboldt Arcata salt marsh on Humboldt Bay at the 'G' St. oxidation plant 1 Comment
  UC1196598  Grindelia hirsutula Joseph P. Tracy 1939-8-6 16397 Humboldt gravelly shore Big Lagoon 3 Comment
  UC665534  Grindelia hirsutula H. E. Parks Aug 1 1941-Sep 1 1941 24201 Humboldt near Arcata Comment
  UC897043  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt salt marsh bordering Humboldt Bay at Arcata; Humboldt Bay Comment
  HSC100391  Gymnogramma triangularis Carl C. Marshall Apr 1886 48 Humboldt Dry hills. Comment
  HSC76193  Hackelia californica Overton, Butler 1979-7-24 9786 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC97938  Hackelia californica Cara Witte 2007-5-31 143 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
  JEPS67930  Hackelia micrantha Joseph P. Tracy 1932-7-17 10691 Humboldt head of Devil's Hole; Klamath Mountains, Trinity Summit 1828 Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  HSC58066  Hastingsia alba G. L. Clifton, Griswold 1979-8-1 11944 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  RSA377548  Hastingsia alba Brad W. Klipfel 1973-7-1 116 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  POM182422  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-27 5304 Humboldt Mountain slopes along road between Three Creeks and mouth of Willow Creek. 915 Comment
  UC450223  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-23 5287 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC32241  Helenium puberulum C. C. Marshall 1888-1-1 Humboldt Comment
  HSC30151  Hemitomes congestum Kennith Irwin 1973-5-31 Humboldt Patrick's Point. Bulk Collection 80 Comment
  HSC73539  Hemizonella minima Gail Newton 1980-7-14 1475 Humboldt Near Last Chance Ridge. 1219 Comment
  CAS-BOT-BC306037  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-7-12 7200 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork 304 Comment
  UC1223094  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1950-6-23 18864 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  CAS-BOT-BC306036  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1930-9-1 9174 Humboldt Northern Coast Ranges. Miranda; along South Fork of Eel River 121 Comment
  UC552351  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1908-6 2754 Humboldt Buck Mt., Valley of Van Duzen River 762 Comment
  HSC90261  Heracleum maximum Jean Hanson 1980-5-24 73 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka. W end of island Comment
  UC582500 Image available Hesperevax acaulis var. robustior Joseph P. Tracy 1932-5-1 9867 Humboldt vicinity of Garberville 121 Comment
  HSC98193  Hesperocyparis macrocarpa Will Ferrand 2002-4-27 44 Humboldt HSU Campus, 100ft W of library 24 Comment
  SEINET10460607  Heterocodon rariflorum Willis L. Jepson Jepson 16394 Humboldt GARBERVILLE Comment
  JEPS2429  Heterotheca oregona var. rudis Lincoln Constance 1934-5-26 666 Humboldt s end Dyerville Bridge (sand and gravel bar of South Fork of Eel River); Bull Creek Region, South Fork Eel River 45 Comment
  JEPS2471  Heterotheca oregona var. rudis Milo S. Baker 1923-7-19 85 Humboldt dry bed of Van Dusen North Coast, Van Dusen Comment
  HSC39159  Heuchera micrantha D. E. Anderson, J. P. Smith 1971-6-28 - 1247 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC44335  Heuchera micrantha Brad Klipfel 1975-6-17 676 Humboldt Horse Mtn. Comment
  HSC55352  Heuchera micrantha Griswold, Butler 1979-7-12 7276 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC64875  Heuchera micrantha J. P. Smith 1973-5-26 6825 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC902009  Heuchera micrantha var. macropetala Joseph P. Tracy 1948-8-15 18139 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC423448  Heuchera micrantha var. macropetala Freed Hoffman 1950-7-11 4009 Humboldt Northeastern Humboldt county. On serpentine, 16.1 mi. above and north of Klamath River Road, along road to Cedar camp. 914 Comment
  HSC81930  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4947 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS36663  Hieracium albiflorum W. L. Jepson 1932-7-26 16408 Humboldt Bull Creek 106 Comment
  UC582413  Hieracium albiflorum Joseph P. Tracy 1930-7-16 8915 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC100438  Hieracium albiflorum Carl C. Marshall Jun 1886 259 Humboldt Near Hoopa. Comment
  UC1223084  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18200 Humboldt near Grizzly Camp; Trinity Summit Comment
  RSA34312  Hierochloe occidentalis L. Larsen 1935-4-23 s.n. Humboldt Orleans Comment
  SEINET181184  Hierochloe occidentalis Bassett Maguire, Ruth Maguire; CB Maguire 1934-6-8 15071 Humboldt Bolling Grove State Park ; unspecified Comment
  HSC6593  Hirschfeldia incana P. W. Shields 1955-9-29 Humboldt 0.5 mi. S of Fernbridge Comment
  UCD115146  Hirschfeldia incana Joseph P. Tracy 1931-5-21 9434 Humboldt Eel River, Alton to Fortuna. 15 Comment
  BLMAR44  Holcus lanatus Brad Barr June, 1982 44 Humboldt King range, lake ridge near pond Comment
  CAS-BOT-BC280735  Holcus lanatus L. R. Abrams 1916-7-11 6018 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  HSC74670  Holcus lanatus Gail Newton 1981-8-5 2355 Humboldt Near Bug Creek, E Fork. 820 Comment
  HSC81934  Holcus lanatus Thomas W. Nelson, Jane P. Nelson 1979-7-3 4959 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  SEINET181175 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-8 15060 Humboldt Coolidge, Redwood Park. Comment
  UC1103732  Holcus lanatus Joseph P. Tracy 1934-7-2 13295 Humboldt Trinidad 3 Comment
  UCD84845  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3588 Humboldt Redwood grove 9 miles south of Garberville. Comment
  BLMAR40  Holcus lanatus Brad Barr 1982-6-21 40 Humboldt King range, hidden valley enclosure Comment
  SEINET11683187  Holcus lanatus K. S. Erdman 1970-1 4805 Humboldt mouth of Ossagon Creek on Gold Beach Road, 2 mi W of US 101 (Redwood N.P.) Comment
  HSC58168  Holodiscus discolor G. L. Clifton, Griswold 1979-8-2 12239 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  OBI10169  Holodiscus discolor Carl B. Wolf 1937-8-13 9227 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  HSC10165  Hordeum brachyantherum J. A. Waller 1965-5-2 33 Humboldt Open field Comment
  UC1103485  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1950-6-17 18832 Humboldt edge of salt marsh at Eureka Slough (Eureka); , Eureka Slough 3 Comment
  UC682044  Hordeum brachyantherum subsp. brachyantherum G. L. Stebbins Jr. and G. L. Church 1941-5-26 3103 Humboldt Eureka, N end of city Comment
  RSA10124  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad 9 Comment
  UC34063  Hordeum marinum subsp. gussoneanum J. P. Tracy 1901-6-16 1144 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC537898  Horkelia tridentata var. flavescens Alice Eastwood; John Thomas Howell 1937-6-23 4806 Humboldt Little Van Duzen River Comment
  HSC102016  Hosackia oblongifolia var. oblongifolia M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 917 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC99466  Hosackia oblongifolia var. oblongifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 120 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC98310  Hosackia yollabolliensis W. K. Parks Jul 1933 2057 Humboldt On Buck Mtn. Comment
  HSC75468  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1980-7-18 3615 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1239762  Hydrophyllum occidentale Joseph P. Tracy 1908-6 2633 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC177246  Hydrophyllum occidentale Joseph P. Tracy 1913-6-17 4158 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  UC562600  Hydrophyllum occidentale Joseph P. Tracy 13955 Humboldt lower foothills nw slope Buck Mountain 792 Comment
  HSC58081  Hydrophyllum tenuipes G. L. Clifton, Griswold 1979-8-1 11985 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  UC213008  Hydrophyllum tenuipes Joseph P. Tracy 1920-5-18 5318 Humboldt Bull Creek Northern Coast Ranges (along Eel River from South Fork to Scotia) 60 Comment
  UC562602  Hydrophyllum tenuipes Joseph P. Tracy 1924-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC511549  Hypericum formosum var. scouleri Ira L. Wiggins 1932-7-18 5886 Humboldt meadow between Arcata and Bayside Comment
  UC668260  Hypericum formosum var. scouleri Joseph P. Tracy 1935-7-21 14112 Humboldt opposite mouth of Willow Creek (Lack Pond); Trinity R. Valley, Lack Pond 152 Comment
  CAS-BOT-BC401235  Hypericum perforatum Joseph P. Tracy 1933-7-21 12820 Humboldt Valley of South Yager Creek 762 Comment
  SEINET11855591  Hypochaeris glabra J. P. Tracy 1948-5-31 18020 Humboldt William Perry place, Dobbyn Creek 152 Comment
  CAS-BOT-BC311434  Hypochaeris radicata L. R. Abrams 1916-7-11 6022 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC311435  Hypochaeris radicata M. S. Jussel 1931-5-2 81 Humboldt 20 miles north of Garberville Comment
  UC1199472  Hypochaeris radicata J. P. Tracy 1911-6-25 3248 Humboldt immediate vicinity Eureka (at Bucksport) 0 Comment
  HSC100106  Hypochaeris radicata A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC40966  Ilex aquifolium Linda M. Barker 1976-6-14 1594 Humboldt 3 mi. W of Arcata Comment
  CAS-BOT-BC206840  Iliamna latibracteata Joseph P. Tracy 1938-8-14 16104 Humboldt Willow Creek Canyon, along Trinity Highway 762 Comment
  UC1541562  Ipomopsis aggregata W. K. Parks July 1933 1409 Humboldt South Fork Mtn Comment
  RSA67626  Iris Philip A. Munz 1951-7-15 16546 Humboldt dry slopes in woods, about 3 miles northeast of Willow Creek Comment
  HSC13852  Iris douglasiana W. R. Rogers 1966-5-9 305 Humboldt 3 mi. SE of Arcata, Fickle Hill Comment
  HSC100502  Iris macrosiphon Carl C. Marshall Jun 1885 28 Humboldt In the redwoods. Comment
  JEPS79908  Iris macrosiphon Joseph P. Tracy 1941-3-23 16808 Humboldt 3 mi w Bridgeport (near e margin of redwood belt through s Humboldt County) 198 Comment
  RSA135935  Iris purdyi Lee W. Lenz, E. K. Balls 1952-5-12 17193 Humboldt 0.5 mile west of Bridgeville, 23.7 miles east and southeast from Alton along Highway 36 Comment
  UC429165  Iris purdyi P. E. Goddard 1906-6 644 Humboldt above Bells (Eel River); Eel River Comment
  CAS-BOT-BC133694  Iris tenax L. W. Lenz 1953-5-17 18317 Humboldt 1 mi. below Somes Bar on Klamath River 179 Comment
  HSC45309  Iris tenax subsp. klamathensis R. York 1978-5-11 167 Humboldt Along logging road 5 mi. N of Orleans 610 Comment
  HSC63123  Iris tenax subsp. klamathensis M. A. Baker 1979-5-17 731 Humboldt Along Wilson Creek, just E of FS Rd. 15N01 Comment
  RSA136372  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-17 18317 Humboldt 1 mile below Somes Bar on Klamath River 180 Comment
  HSC39393  Iris tenuissima D. E. Anderson, J. P. Smith 1971-7-6 - 1280 Humboldt Horse Mtn. Comment
  HSC44639  Iris tenuissima Diane L. Reed 1978-4-22 34 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC74329  Iris tenuissima M. A. Baker 1980-6-16 1958 Humboldt Near Onion Mtn. 1280 Comment
  UC14929  Iris tenuissima Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  RSA135919  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-12 21664 Humboldt 9.1 miles northeast from Blue Lake, U.S. Highway 299 488 Comment
  UC429166  Iris tenuissima P. E. Goddard 1907-5-29 103 Humboldt Van Duzen Comment
  RSA43869  Isatis tinctoria H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  JEPS79910  Isopyrum stipitatum Joseph P. Tracy 1935-5-5 13802 Humboldt Kneeland Prairie 822 Comment
  HSC38446  Jaumea carnosa J. P. Smith 1976-7-3 8935 Humboldt Manila, Samoa Peninsula Comment
  UC1192235  Jaumea carnosa Malcolm A. Nobs and S. Galen Smith 1949-8-3 1173 Humboldt salt marshes around Fields Landing Comment
  CAS-BOT-BC109923  Juncus L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road. Comment
  RSA129413  Juncus breweri H. S. Yates 1936-6-16 5655 Humboldt 1/2 mile southwest of Samoa. 3 Comment
  UC14897  Juncus bufonius J. P. Tracy 1900-5-27 805 Humboldt immediate vicinity Eureka 0 Comment
  POM208990  Juncus bufonius Lincoln Constance 1934-6-12 862 Humboldt S Fork of Eel River, N end of Dyerville bridge, Humboldt Redwood Park. 46 Comment
  HSC44314  Juncus covillei Thomas W. Nelson, Jane Nelson 1977-8-6 3698 Humboldt Above Alder Spring 1616 Comment
  UC14890  Juncus covillei var. obtusatus Chesnut and Drew 1888-7-29 Humboldt Grouse Creek Comment
  UCD141493  Juncus effusus K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 609 Comment
  HSC98575  Juncus ensifolius Cara Witte 2008-8-6 1012 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  POM126146  Juncus ensifolius Joseph P. Tracy 1924-7-13 6732 Humboldt Big Lagoon. 6 Comment
  UC1152101  Juncus ensifolius Joseph P. Tracy 1927-8-28 8356 Humboldt near Boynton Prairie Comment
  UC1196725  Juncus hesperius J. P. Tracy 1900-6-23 859 Humboldt immediate vicinity Eureka 0 Comment
  UCD150382  Juncus lescurii William Anderson and H. Mc. 1964-8-6 s.n. Humboldt Freshwater Lagoon. Comment
  UC1133717  Juncus patens H. S. Yates 1936-6-23 5858 Humboldt 2 mi se mouth of Mad River; Eureka Quad. 30 Comment
  RSA70263  Juncus phaeocephalus var. phaeocephalus F. W. Peirson 1923-7-11 3669 Humboldt 7 miles N of Arcata, Humboldt County Comment
  HSC85846  Juncus phaeocephalus var. phaeocephalus L. P. Janeway 1983-9-24 698 Humboldt S side of Big Lagoon at county camp ground, 10-30 ft. from water line 3 Comment
  HSC56961  Juncus xiphioides Overton, Butler 1979-7-23 9475 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  UC194808  Juncus xiphioides Joseph P. Tracy 1915-9-12 4671 Humboldt Eel River, at mouth of Laribee Creek Northern Coast Ranges, Laribee Creek 60 Comment
  HSC59856  Keckiella corymbosa M. A. Baker 1979-7-7 1018 Humboldt 9.5 km E of Berry Summit along Hwy. 299, N bank of Willow Creek Comment
  UC41735  Keckiella corymbosa Chesnut and Drew 1888-7-10 Humboldt Jarnigans's Comment
  UCR136653  Keckiella corymbosa H. M. Pollard 1948-8-12 s.n. Humboldt Near mouth of Pearch Creek, near Orleans 366 Comment
  CAS-BOT-BC237834  Keckiella lemmonii Joseph P. Tracy 1930-7-25 8883 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC76253  Keckiella lemmonii Denis Kearns 1981-7-21 294 Humboldt Near Whiteys Peak 1585 Comment
  UC1222816  Kickxia elatine Joseph P. Tracy 1951-7-14 19623 Humboldt near Willow Creek (borders of Lack Pond); Lack Pond Comment
  BLMAR47  Koeleria macrantha Brad Barr June, 1982 47 Humboldt King range, HJ Comment
  UC50517  Koeleria macrantha Joseph Burtt Davy and Walter C. Blasdale 1899-6-12 5478 Humboldt Elk Prairie Comment
  UC1196128  Kopsiopsis strobilacea Joseph P. Tracy Jul 16-19, 1930 9030 Humboldt Northern Coast Ranges. South Fork Mountain, along summit near Blake lookout. 1706 Comment
  UC403006  Kopsiopsis strobilacea unknown 1901-1 Humboldt Comment
  UC552315  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  CAS-BOT-BC340409  Lactuca biennis Henry M. Pollard 1947-8-21 s.n. Humboldt Near Ferrian Ranch, Orleans region Comment
  UC1051585  Lactuca saligna Joseph P. Tracy 1946-8-25 17650 Humboldt 15 Comment
  HSC69891  Lagophylla ramosissima Thomas W. Nelson, Jane P. Nelson 1977-7-30 3661 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  CAS-BOT-BC324946  Lasthenia californica subsp. bakeri Dr. A. Kellogg; W. G. W. Harford 1868-1-1 464 Humboldt Eureka Comment
  UC128624  Lasthenia californica subsp. californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5380 Humboldt Harris Comment
  HSC87151  Lathyrus biflorus Thomas W. Nelson, James Nelson 1980-6-10 5432 Humboldt NE slope of Red Mtn. 1372 Comment
  JEPS82141  Lathyrus biflorus Thomas W. Nelson and Tom Jimerson 1980-8-4 6233 Humboldt ne slope Red Mountain; North Coast Ranges, Blocksburg Quad. 1371 Comment
  HSC86123  Lathyrus glandulosus S. L. Broich 1981-6-9 1146 Humboldt 8.5 km NE of Freshwater-Kneeland Rd. on the road to Maple Creek Comment
Read comments
Nov 6 2012
  UC1222400  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1946-5-4 17523 Humboldt w side near sw corner Hoopa Valley Comment
  BLMAR615  Lathyrus littoralis Jennifer Wheeler 2011-5-20 615 Humboldt King range, Mattole Beach Sand Dunes 3 Comment
  HSC62924  Lathyrus littoralis J. M. DiTomaso 1979-4-22 913 Humboldt Big Lagoon, 8 mi. N of Trinidad Comment
  HSC93527  Lathyrus littoralis Gordon Leppig, Kai Neander, Sylvia Leppig 1998-5-25 787 Humboldt Big Lagoon State Park. 2 Comment
  RSA245212  Lathyrus littoralis J. E. Walters 1966-4-13 35 Humboldt 1/4 miles N. of Samoa Pulp Mill. 5 Comment
  RSA64949  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19094 Humboldt 3 miles W of Willow Creek, near Highway #299. Comment
  UC303182  Lathyrus polyphyllus Joseph P. Tracy 1923-6-22 6344 Humboldt Bald Mt. Northern Coast Ranges 914 Comment
  SEINET956313  Lathyrus vestitus Joseph P. Tracy 1929-1 8579 Humboldt Phillipsville. Comment
  CAS-BOT-BC325927  Layia carnosa W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  HSC5912  Layia carnosa L. H. Myers 1963-5-13 15 Humboldt Dunes W of Lanpheres Rd., Mad River Slough area. Comment
  RSA176928  Layia carnosa Peter H. Raven 1963-5-15 18370 Humboldt Lanphere Ranch just west of Mad River Slough; near Arcata Comment
  RSA249507  Ledum glandulosum subsp. columbianum R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-9 35295 Humboldt Big Lagoon. 3 Comment
  POM203227  Leptosiphon androsaceus M. S. Jussel 1931-5-2 s.n. Humboldt near Garberville Comment
  HSC73816  Leptosiphon ciliatus Gail Newton 1980-6-7 119 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC226713  Leptosiphon latisectus Alice Eastwood; John Thomas Howell 1937-6-23 4764 Humboldt Dinsmore's [Dinsmore] Comment
  HSC12543  Leucanthemum vulgare C. Kline 1970-10-26 40 Humboldt W end of School Rd., McKinleyville, above Mad River. Comment
  HSC67026  Leucanthemum vulgare J. P. Smith 1970-6-7 3803 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC96535  Leucanthemum vulgare Gordon Leppig 1997-8-3 649 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  UCD64628  Leymus mollis Linda M. Barker 1976-6-1 1563 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC436493  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt Humboldt Bay, near top of Humboldt Hill 152 Comment
  SFV18580  Ligusticum californicum T. W. Nelson, J. P. Nelson 1987-6-11 8556 Humboldt Along Forest Road 13N01, 0.25 miles south of turn off to Onion Lake. 1098 Comment
  HSC75965  Ligusticum grayi Overton, Butler 1979-8-2 12584 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1197169  Ligusticum grayi Joseph P. Tracy 1932-7-12 10444 Humboldt Trinity Summit, Corral Prairie 1584 Comment
  HSC21523  Lilaeopsis occidentalis E. Hunt 1949-5-18 21 Humboldt Humboldt Bay Comment
  UC154089  Lilaeopsis occidentalis Joseph P. Tracy 1909-9-19 3102 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 0 Comment
  UC205462  Lilaeopsis occidentalis Joseph P. Tracy 1920-8-29 5391 Humboldt mouth of Little R.; Northern Coast Ranges 6 Comment
  UC55889  Lilium columbianum J. P. Tracy 1902-7-4 1755 Humboldt immediate vicinity Eureka (near Ryan's Slough Hill) 0 Comment
  CAS-BOT-BC508394  Lilium columbianum Mrs. L. B. Kildale 1925-6-7 s.n. Humboldt Between Trinidad Head and Orick Comment
  SEINET12057381  Lilium columbianum F. H. Utech 1978-6-30 78 -260 Humboldt ca 2.5 km S of Del Norte/Humboldt County line on US 101 Comment
  UC1035026  Lilium columbianum A. M. Vollmer and L. Beane Jul 1953 121 Humboldt Comment
  RSA256735  Lilium kelleyanum A. Montalvo, J. D. Ackerman 1974-8-1 399 Humboldt 1 mile west of Kneeland P.O. on Greenwood Heights Road Comment
  RSA130320  Lilium kelloggii Albert M. Vollmer 1949-7-1 s.n. Humboldt 3 miles east of the old Eureka-Arcata road on the Kneeland road Comment
  HSC99350  Lilium pardalinum subsp. pardalinum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 129 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC132959  Lilium rubescens A. M. Vollmer; L. Beane 1951-6-11 135 Humboldt Bridgeville Comment
  CAS-BOT-BC132969  Lilium rubescens Ella Dales Cantelow 1939-6-4 2443 Humboldt 6 1/10 mi. s. of Bridgeville on road from Alder Point Comment
  CHSC19489  Limnanthes douglasii Norman Dennis 1965-6-11 113 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
  UC902197  Limnanthes douglasii Joseph P. Tracy 1948-5-31 18009 Humboldt Harris 609 Comment
  BLMAR501  Limnanthes douglasii Jennifer Wheeler 2009-4-30 501 Humboldt King range, Hidden Valley trail; trail forward Comment
  POM254102  Limonium californicum C. C. Harris, S. K. Harris 1939-9-8 973 Humboldt South shore of Humboldt Bay. Comment
  UCD150383  Limonium californicum Harry A. George and B. Miller 1967-7-12 s.n. Humboldt Humboldt Bay, Gunther Island.. Comment
  CDA39662  Limonium californicum T. C. Fuller 1961-9-27 7045 Humboldt 1 mile north of Indianola Road, Highway 101, 5 miles north of Eureka. 0 Comment
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC1198595  Linanthus androsaceus Joseph P. Tracy 1940-5-17 16553 Humboldt Larrabee Valley 731 Comment
  UC702549  Linanthus androsaceus C. C. and S. K. Harris 1942-6-17 1272 Humboldt 1 mi n and 3 mi e Chalk 665 Comment
  UC1198585  Linanthus ciliatus Joseph P. Tracy 1908-6 2823 Humboldt nw slope Black Mountain; Northern Coast Ranges 914 Comment
  JEPS11331  Linaria vulgaris Joseph P. Tracy 1921-7-23 5858 Humboldt Dows Prairie, thence to Trinidad Dows Prairie Dows Prairie; Northern Coast Ranges, Dows Prairie 60 Comment
  HSC12026  Linaria vulgaris D. Santana 1970-11-2 100 Humboldt E side of old Hwy. 1 in ditch Comment
  HSC15824  Linum bienne T. M. Mingo May 1965 Humboldt E of parking area at College cove. Comment
  HSC49829  Linum bienne Maralyn O'Meara 1974-7-11 531 Humboldt Kneeland, Barry Ridge Comment
  HSC15806  Linum lewisii Frances Oldridge 1946-1 Humboldt Fickle Hill Comment
  UC1103032  Listera caurina Joseph P. Tracy 1926-6-6 7555 Humboldt on raod from Hoopa w to Bair's (near summit); Hoopa Mountain 1066 Comment
  SEINET5725705 Image available Lithocarpus densiflorus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6109 Humboldt From California 299 at Hawkins Bar ( in Trinity Couty), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lafthand road (leading to Waterman Ridge, Zwigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4) , travel 4.5 miles to collection site.; Denny Comment
  SEINET8981428  Lithocarpus densiflorus W. D. Billings 1940-6-25 s.n. Humboldt Cedar Creek, 35 miles east of Arcata Comment
  CAS-BOT-BC36103  Lithocarpus densiflorus var. densiflorus L. R. Abrams 1916-7-11 6005 Humboldt Between Blackberry and Bridgeville Comment
  UC582504  Logfia gallica Joseph P. Tracy 1935-5-30 13914 Humboldt Willow Creek, Trinity River Valley, Willow Creek 152 Comment
  UC180203  Logfia gallica Joeseph P. Tracy 1914-5-14 4467 Humboldt Fort Seward 121 Comment
  UC1103160  Lolium multiflorum Joseph P. Tracy 1948-6-13 18043 Humboldt 7 mi nw Blocksburg (Larrabee Creek); Larrabee 304 Comment
  UC1541549  Lolium multiflorum Harold E. Parks May 1933 4305 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  UC163617  Lolium multiflorum Joseph Burtt Davy 1899-6-15 5527 Humboldt Scotia Comment
  UCD66464  Lolium perenne Al Murphy 1948-10-1 Humboldt Ft. Seward. Comment
  UCD66658  Lolium temulentum A. H. Murphy 1947-5-12 Humboldt Fairgrounds at Ferndale. Comment
Read comments
May 24 2012
  HSC65515  Lomatium ciliolatum var. ciliolatum M. A. Baker 1980-6-7 1776 Humboldt Near Brush Mtn. 1128 Comment
  HSC45394  Lomatium ciliolatum var. ciliolatum Thomas W. Nelson, Jane P. Nelson 1977-7-4 3582 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  HSC33054  Lomatium macrocarpum Thomas W. Nelson 1974-5-7 1233 Humboldt Beside airstrip at Kneeland Prairie Comment
  UC673273  Lomatium macrocarpum Lincoln Constance and Reed C. Rollins 1942-5-12 2882 Humboldt 5 mi. n.e. Weitchpec (Klamath R. 1 mi. s. of Bluff Creek); Klamath-Siskiyou Region, Klamath R. 121 Comment
  HSC97458  Lomatium nudicaule Cara Witte 2007-5-29 125 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  HSC46923  Lomatium tracyi Brad Klipfel 1974-5-27 381 Humboldt Horse Mtn. Comment
  UC1186378  Lomatium utriculatum R. Ornduff 1960-6-1 6182 Humboldt ca. 6 mi. e. Garberville (on rd. to Alder Point) 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
  UC1052838  Lonicera hispidula var. vacillans W. L. Colwell 1955-6-7 25 Humboldt 1/2 mi n Grasshopper Mountains lookout (3 mi w of Weott); Quad. 29-B-3 914 Comment
  SEINET11168851 Image available Lonicera involucrata Unknown 1974-8-11 Humboldt Trinidad Comment
  CAS-BOT-BC241494  Lonicera involucrata var. ledebourii Carl B. Wolf 1927-8-22 770 Humboldt Big Lagoon Comment
  CAS-BOT-BC241495  Lonicera involucrata var. ledebourii D. E. Breedlove 1962-6-7 3047 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  CHSC23308  Lonicera involucrata var. ledebourii Robert F. Thorne; P. Everett 1965-8-9 35301 Humboldt Big Lagoon 3 Comment
  POM284249  Lonicera involucrata var. ledebourii Lyman Benson 1928-7-10 816 Humboldt Clam Beach, Trinidad. 15 Comment
  POM46694  Lonicera involucrata var. ledebourii L. R. Abrams 1916-7-18 6129 Humboldt Arcata to Trinidad. Comment
  SBBG69582  Lonicera involucrata var. ledebourii S. W. Hutchinson -Apr-1927 91 Humboldt near Eureka 8 Comment
  SEINET5736925 Image available Lotus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6108 Humboldt From California 299 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4), travel 4.5 miles to collection site. Comment
  HSC81932  Lotus aboriginus Thomas W. Nelson, Jane P. Nelson 1979-7-3 4961 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  SDSU4292  Lotus corniculatus D. F. Howe 1959-8-4 2808 Humboldt Roadside near bridge over Eureka slough by Humboldt Bay. Comment
  RSA275285  Lotus crassifolius Thomas W. Nelson, Jane Nelson, A. Nelson 1977-7-4 3614 Humboldt Along road north from Alder Springs. 1524 Comment
  UC1197309  Lotus crassifolius var. crassifolius Joseph P. Tracy 1911-7-7 3416 Humboldt between Willow Creek and Campbell Creek (vis ridge n of Willow Creek, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  POM18325  Lotus formosissimus W. C. Blasdale 1896-5-31 7471 Humboldt Eureka Comment
  UC1197316  Lotus formosissimus Joseph P. Tracy 1927-4-24 7945 Humboldt near Fortuna; Northern Coast Ranges 60 Comment
  UC169330  Lotus humistratus Joseph P. Tracy 1912-7-26 3833 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  RSA90323  Lotus humistratus F. W. Peirson 1926-7-13 7047 Humboldt Mad River, vicinity of Blue Lake. Comment
  SEINET12154204  Lotus micranthus J. P. Tracy 1936-1 14866 Humboldt Coast BLuffs nr Trinidad 61 Comment
  UC168986  Lotus purshianus var. purshianus Joseph P. Tracy 1912-7-4 3731 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC201389  Lotus purshianus var. purshianus Joseph P. Tracy 1918-7-5 5015 Humboldt White Thorne Valley Northern Coast Ranges 304 Comment
  HSC43849  Lotus unifoliolatus var. unifoliolatus Maralyn O'Meara 1974-7-17 558 Humboldt Kneeland Comment
  UC1196932  Ludwigia palustris Joseph P. Tracy 1948-7-26 18076 Humboldt mouth of Willow Creek Lack Pond; Northern Coast Ranges, Trinity R. Valley, Lack Pond 152 Comment
  HSC74810  Luina hypoleuca Gail Newton 1980-7-23 1725 Humboldt Near Packsaddle Ridge 1463 Comment
  CAS-BOT-BC201191  Lupinus Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  OBI33908  Lupinus David J. Keil 1983-7-2 17319 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit rd Comment
  SEINET12154352  Lupinus adsurgens J. P. Tracy 1946-1 17567 Humboldt at Ski Lodge, Horse Mtn 1219 Comment
  RSA138212  Lupinus adsurgens var. lilacinus Volney Rattan 1882-06 16 Humboldt Humboldt Comment
  SEINET10488353  Lupinus affinis Charles Piper Smith 1948-5-10 Smith 48248 Humboldt Hwy 101. 0.2 Miles s of miranda Comment
  SEINET12154344  Lupinus albicaulis J. P. Tracy 1950-1 18968 Humboldt Happy Camp Mtn. Trinity SUmmit Rnage, 6miNE of Hawkins Bar. E of Grove's Prairie 1524 Comment
  CAS-BOT-BC196223  Lupinus albifrons var. eminens Doris K. Kildale 1926-4-30 1929 Humboldt Fruitland Hill - Harris road divided between north & south forks of Eel River Comment
  HSC32521  Lupinus andersonii Thomas W. Nelson, James Nelson 1973-5-28 955 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1129355  Lupinus arboreus H. L. Person 1931-7-30 Humboldt Fieldbrook; Eureka Quadrangle Comment
  UCSB26618  Lupinus arboreus Havlik, Neil 1968-8-21 Humboldt Along U.S. Highway 101; west of Arcata Airport 6 Comment
  HSC104446  Lupinus bicolor Jeff Barrett 2009-5-8 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  SEINET6932627  Lupinus bicolor Wanda P. Vestal, A. G. Vestal 1937-6-19 s.n. Humboldt Terrace west of Eel River, 2 miles west of Gaberville. Comment
  UC205453  Lupinus bicolor Joseph P. Tracy 1919-5-31 5149 Humboldt along Willow Creek ((tributary of Trinity River) near its mouth); Northern Coast Ranges, trib Trinity River, Willow Creek 152 Comment
  SBBG3622  Lupinus formosus H. and M. Dearing 1939-5-24 3425 Humboldt W of Panther Gap, Dyerville, Honeydew Comment
  HSC48616  Lupinus latifolius Mark Flippo 1978-5-29 93 Humboldt MKinleyville, Bella Vista Rd. Comment
  HSC36503  Lupinus latifolius subsp. viridifolius Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1889 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC169334  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-7-26 3863 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UCD107971  Lupinus littoralis Linda M. Barker 1976-7-5 1642 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC502998  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1932-7-14 10558 Humboldt Wet Meadow at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit 1524 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
  UC774984  Lupinus polyphyllus var. polyphyllus Carl B. Wolf 1937-8-11 9144 Humboldt 1/2 mi e Alton; e of Alton 21 Comment
  CDA5442  Lupinus rivularis D. G. Kelch 2007-7-25 7 .503 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  SEINET10488861  Lupinus rivularis Smith 1948-5-4 Smith 48203 Humboldt Hwy. 101--Orick, n of bridge. Comment
  UC198578  Lupinus rivularis Joseph P. Tracy 1917-5-26 4785 Humboldt at Eureka (on bluff at Bucksport); Northern Coast Ranges 0 Comment
  RSA104397  Lupinus tracyi Joseph P. Tracy 1932-7-15 10598 Humboldt Corral Prairie, Trinity Summit Comment
  RSA165867  Lupinus variicolor Philip A. Munz 1963-6-19 24528 Humboldt Patrick's Point. 30 Comment
  SEINET12154788  Lupinus variicolor J. P. Tracy 1938-1 16046 A Humboldt Brainards Point, betw Eureka and Arcata Comment
  SEINET8717658 Image available Luzula parviflora H. E. Parks, S. T. Parks 1952-1 22446 Humboldt Bishop Pine Lodge. Trinidad. Comment
  CHSC115875  Luzula subsessilis Peter F. Zika 2011-7-3 25492 Humboldt Titlow Hll Road, 3 road miles SE of Route 299 at Berry Summit,1 air km SW of Horse Mountain. 1190 Comment
  JEPS371  Lycopodiella inundata Joseph P. Tracy 1928-9-8 8504 Humboldt Big Lagoon Northern Coast Ranges (in peat bog) 6 Comment
  RSA575148  Lycopodium clavatum S. Shushan 1978-8-4 3 Humboldt East of Blue Lake. Comment
  HSC3242  Lysichiton americanus J. W. Johnson 1962-2-26 1161 Humboldt Along Lanphere Lane, Samoa Peninsula Comment
  RSA183502  Lysichiton americanus T. L. Grosz 1964-5-1 C Humboldt 300 yards up on Park Ave. and behind Myrtle Ave. Comment
  UC1222700  Lysichiton americanus Joseph P. Tracy 1950-4-20 18612 Humboldt along Van Duzen R. 1 mi. w. Dinsmore's; Van Duzen R. 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
  CAS-BOT-BC342808  Madia elegans L. R. Abrams 1918-6-15 7120 Humboldt Brannan Mt near Willow Creek 1371 Comment
  CAS-BOT-BC342803  Madia elegans Henry M. Pollard 1947-8-21 s.n. Humboldt Ferrian Ranch, nr. Orleans Comment
  UC89451  Madia elegans unknown Humboldt Jarnigans Comment
  CAS-BOT-BC344360  Madia exigua Henry M. Pollard 1948-7-21 s.n. Humboldt Near Orleans Comment
  RSA293191  Madia gracilis subsp. gracilis Thomas W. Nelson, James Nelson 1976-5-30 2615 Humboldt McKeown Ranch north of Dinsmore. Comment
  POM284946  Madia madioides Lyman Benson 1929-7-16 1868 Humboldt Weott Ranger Station. Comment
  CAS-BOT-BC343592  Madia sativa J. Clausen 1932-9-19 692 Humboldt Weott Comment
  HSC100559  Maianthemum bifolium Carl C. Marshall May 1886 213 Humboldt Woods everywhere, Humboldt Bay. Comment
  HSC15595  Maianthemum dilatatum A. E. Inman 1962-5-25 Humboldt S bank of Mad River, 50 yds W of Hwy. 299 bridge Comment
  HSC15596  Maianthemum dilatatum W. R. Brigham 1962-5-19 6 Humboldt S of Big Lagoon. Comment
  HSC69845  Maianthemum dilatatum R. Kalal 1979-5-5 47 Humboldt Fickle Hill Rd., 1.0 mi. E of 11th St. 183 Comment
  SD46488  Maianthemum dilatatum E. K. Balls, L. W. Lenz 1956-6-12 21668 Humboldt 4.7 miles south of Humboldt-Del Norte County line, U.S. Highway 101, Arcata to Crescent City. O forest floor in deep humus. 60 Comment
  SEINET12044316  Maianthemum dilatatum H. E. Parks 1932-1 4289 Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC44336  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1975-6-17 675 Humboldt Horse Mtn. Comment
  CAS-BOT-BC511453  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-5-19 5154 Humboldt Chalk Mountain Comment
  HSC79371  Maianthemum racemosum subsp. amplexicaule Kenneth Clark 1980-3-27 555 Humboldt On divide of N and S Forks of Dead Man's Gulch 122 Comment
  RSA0009527  Maianthemum racemosum subsp. amplexicaule Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC34159  Maianthemum stellatum Linda M. Barker 1974-5-11 177 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  SEINET12050368  Maianthemum stellatum F. H. Utech 1988-1 88 -280 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, above Van Duzen River 800 Comment
  CAS-BOT-BC140136  Malus fusca Doris K. Kildale 1926-7-10 2343 Humboldt Big Lagoon - northeast rim Comment
  CAS-BOT-BC140137  Malus fusca W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  RSA1806  Malus fusca Carl B. Wolf 1930-10-26 1766 Humboldt south edge of Big Lagoon, near the Redwood highway bridge. 3 Comment
  HSC100569  Malva nicaeensis Carl C. Marshall Sep 1887 493 Humboldt Near lannery, Arcata and Salmon Creek. Comment
  POM318838  Marah oregana Patricia Wilder 1968-8-22 4419 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  SJSU11759  Marah oregana R. D. Spadoni 1965-3-26 Humboldt Trinidad Comment
  UC990711  Marah oregana Roxana S. Ferris 1951-9-5 12448 Humboldt Trinidad Head Comment
  HSC98545  Marah oregana Cara Witte 2008-6-2 674 Humboldt Along National Forest 1. North of Kinsey Ridge. 1291 Comment
  UC1409146  Marah oregana Larry DeBuhr, Gary Wallace 1973-5-19 1116 Humboldt Gold Bluff Beach Prairie Creek Redwood State Park Comment
  HSC29883  Matricaria discoidea Thomas W. Nelson 1971-11-11 599 Humboldt Foot of Murray Rd., McKinleyville. Comment
  UC1199283  Matricaria discoidea Joseph P. Tracy 1933-5-20 12217 Humboldt Capetown 30 Comment
  UC673066  Medicago arabica Joseph P. Tracy 1933-5-20 12220 Humboldt Capetown Bear River (valley along river) 30 Comment
  UC1145132  Melica aristata Joseph P. Tracy 1948-8-15 18157 Humboldt 2 mi e Grove's Prairie (on ridge, Trinity Summit); Trinity Summit 1524 Comment
  HSC97956  Melica subulata Cara Witte, Michael Scott 2007-6-22 345 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1494 Comment
  HSC10375  Melica torreyana A. H. Murphy 1951-4-18 20 Humboldt Ft. Seward. 183 Comment
  JEPS63457  Mentha aquatica Joseph P. Tracy 1927-10-8 8388 Humboldt Arcata Bottom 9 Comment
  UC577344  Mentha canadensis Joseph P. Tracy 1934-7-30 13501 Humboldt along coast in front of South End Stone Lagoon (Dry Lagoon); , in front of South End of Stone Lagoon 3 Comment
  RSA83450  Mentha canadensis F. W. Peirson 1926-7-12 7044 Humboldt Humboldt County: Orick Comment
  JEPS63445  Mentha suaveolens W. L. Jepson 1936-8-11 17866 Humboldt South Fork Eel River Philipsville (Philipsville); South Fork Eel River Comment
  UC668288  Mentzelia dispersa Joseph P. Tracy 1937-7-24 15521 Humboldt Trinity Summit, Devil's Hole 1676 Comment
  UC1223189  Micropus californicus var. californicus Joseph P. Tracy 1942-6-15 17150 Humboldt 1/2 mi ne Garberville (on the road to Harris) Comment
  UC1223199  Microseris douglasii subsp. douglasii Joseph P. Tracy 1948-5-31 17988 Humboldt near w side summit of Spruce Grove (near Harris) 762 Comment
  RSA72856  Microseris leptosepala A. Kellogg, W. G. W. Harford 1868-09 567 Humboldt [Unspecified] Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  UC34653  Microseris nutans Chesnut and Drew 1888-7-21 Humboldt w slope South Fork Mt. Comment
  HSC82042  Microsteris gracilis Thomas W. Nelson, James Nelson 1980-6-10 5410 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  HSC98617  Microsteris gracilis Cara Witte 2007-5-23 111 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1635 Comment
  HSC98611  Microsteris gracilis var. gracilis C. Witte 2007-5-10 15 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1552 Comment
  UC175596  Mimulus arvensis Joseph P. Tracy 1912-6-9 3688 Humboldt Alton Northern Coast Region 30 Comment
  LA209133  Mimulus aurantiacus C. C. & S. K. Harris; 1936-6-9 sn Humboldt Above Carlotta 60 Comment
  HSC20691  Mimulus aurantiacus var. aurantiacus S. J. Hawks 1965-5-18 83 Humboldt Clam Beach. Comment
  RSA80079  Mimulus dentatus F. W. Peirson 1926-7-13 7055 Humboldt On south side of Mad River, near Blue Lake. Comment
  HSC74642  Mimulus guttatus M. A. Baker 1980-5-18 1366 Humboldt Near Black Mtn. 792 Comment
  HSC90635  Mimulus guttatus Gail Newton 1983-6-5 3555 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA454336  Mimulus guttatus Francis W. Pennell, Joseph P. Tracy 1940-7-7 26087 Humboldt Route 299. Headwaters of Willow Creek. 762 Comment
  JEPS10790  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  JEPS25044  Mimulus inodorus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  UC1222801  Mimulus inodorus Joseph P. Tracy 1950-8-8 19283 Humboldt Croghan Hole Trinity Summit 1676 Comment
  UC582480  Mimulus inodorus Joseph P. Tracy 1923-9-16 6551 Humboldt near South Fork; Trinity River Valley 182 Comment
  RSA54140  Mimulus layneae H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. Trail. 1524 Comment
  JEPS10468  Mimulus microphyllus Joseph P. Tracy 1933-6-6 12501 Humboldt Trinidad 3 Comment
  HSC48319  Mimulus moschatus Brad Klipfel 1973-8-3 310 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56317  Mimulus moschatus Overton, Butler 1979-8-2 12656 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC44829  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3598 Humboldt Margin of pond above Alder Springs 1585 Comment
  HSC72438  Mimulus pilosus J. P. Smith 1971-10-9 5010 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC101984  Mimulus primuloides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 881 Humboldt Patterson Meadows 1555 Comment
  UC582484  Mimulus pulsiferae Harold E. Parks and Joseph P. Tracy 1934-6-27 11087 Humboldt Grouse Mt. 1432 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
  HSC104079  Minuartia decumbens S. Carothers 2001-6-4 Humboldt Six Rivers National Forest; Lassics Botanical Area, ridge off Rd. 1S11 1646 Comment
  JEPS51444  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  HSC67195  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, James Nelson 1980-6-10 5420 Humboldt Along road to Red Mtn., 0.5 mi. W of junction with Swayback Ridge Rd. 1372 Comment
  HSC41205  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1977-7-1 3548 Humboldt Ridge N of Bear Creek, unsurveyed section E of 25 1555 Comment
  HSC57673  Minuartia pusilla G. L. Clifton, Griswold 1979-7-25 10866 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC25572  Mitella diversifolia J. O. Sawyer 1971-6-15 2383 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  HSC76262  Mitella trifida Teresa Prendusi 1981-7-21 270 Humboldt Near Whiteys Peak 1646 Comment
  HSC37863  Modiola caroliniana Peter Sorensen 1976-6-16 Humboldt Humboldt Bay; Woodley Island Comment
  HSC74644  Moehringia macrophylla M. A. Baker 1980-5-17 1223 Humboldt Near Le Perron Peak 792 Comment
  HSC58348  Monardella glauca Overton, Butler 1979-8-2 12682 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  SEINET12272555  Monardella villosa subsp. sheltonii H. P. Chandler 1901-1 1522 Humboldt Klamath River, Plants of the North Coast Ranges 457 Comment
  UC577342  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15428 Humboldt Vicinity Garberville 121 Comment
  UC1225848  Monardella villosa subsp. villosa Joseph P. Tracy 1947-7-5 17782 Humboldt Trinity Summit, ridge top one mile west of Mud Springs. 1158 Comment
  CAS-BOT-BC444803  Montia diffusa Joseph P. Tracy 1937-6-27 15379 Humboldt Four-Mile Creek (west of mouth of South Fork of Trinity). 670 Comment
  HSC93840  Montia howellii Claire Golec, Shawn Magnuson 1999-5-12 Humboldt Pacific Lumber Co. land, W side of Van Duzen River, 10 mi. W of Bridgeville Comment
  CHSC84555  Montia parvifolia John Dittes; Josephine Guardino 2003-6-7 2003 -64 Humboldt Outer North Coast Range; ca. 2.9 air-mile northwest of Legget, ca. 5.2 air-mile southeast of Piercy, on eastern bank of South Fork Eel River. 182 Comment
  RSA739606  Montia parvifolia John Dittes, Josephine Guardino 2003-6-7 2003 -64 Humboldt Outer N coast Range, 2.9 air mile NW of Legget, 5.2 air mile SE of Piercy, shaded rocks on eastern bank of S Fork Eel River. 183 Comment
  UC7878  Montia parvifolia Harley P. Chandler May, 1901 1261 Humboldt North Coast Ranges, Redwood Belt Redwood Belt; North Coast Ranges, Redwood Belt 152 Comment
  HSC26877  Morella californica Clifton Raymond Chesbrough 1973-6-19 82 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  UC525573  Myosotis discolor Joseph P. Tracy 1925-5-10 6963 Humboldt near Hydesville; Northern Coast Ranges 91 Comment
  HSC90317  Myosotis discolor Jean Hanson 1980-5-24 76 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka, W end of island, base of dike on S side Comment
  CHSC77459  Myosotis latifolia Vernon H. Oswald 2000-4-3 9910 Humboldt County Parking Lot at Elk Head northwest of Trinidad. 41 Comment
  CAS-BOT-BC101665  Myrica californica V. Rattan s.n. Humboldt unspecified Comment
  UC1197938  Myrica californica J. P. Tracy 1901-4-21 1034 Humboldt immediate vicinity Eureka (Ricks Prairie); Ricks Prairie 0 Comment
  HSC35523  Myriophyllum aquaticum No Collector Humboldt W of Mckinleyville Comment
  HSC41673  Myriophyllum aquaticum Charles O'Neil Humboldt McKinleyville, ponds W of Hwy. 101 Comment
  UC205635  Myriophyllum sibiricum Joseph P. Tracy 1920-8-29 5395 Humboldt In pond near mouth of Little River. Comment
  UCSB30594  Nasturtium officinale Edwards, David 1974-7-30 Humboldt West side of U.S. 101, ca. 30 yds. S. of 7th St. overpass, Arcata 15 Comment
  UC1198602  Navarretia intertexta Joseph P. Tracy 1911-7-10 3483 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC1222720  Navarretia intertexta Joseph P. Tracy 1950-6-15 18773 Humboldt between Garberville and Harris (on the Robertson Ranch) Comment
  RSA67625  Navarretia mellita P. A. Munz 1951-7-15 16545 Humboldt Ca. 3 mi. N of Willow Creek 137 Comment
  UC133716  Navarretia pubescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5461 Humboldt Fruitland North Coast Ranges Comment
  UC1222718  Navarretia tagetina Joseph P. Tracy 1950-6-23 18862 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC198635  Navarretia viscidula Joseph P. Tracy 1916-6-20 4732 Humboldt Alder Point Northern Coast Ranges 152 Comment
  UC24190  Nemophila heterophylla Mary H. Manning Humboldt Hupa Comment
  HSC45622  Nemophila menziesii Diane L. Reed 1978-4-22 28 Humboldt Tish Tang Campground, 5 miles north of Willow Creek on State Hwy. 96. Comment
  HSC73815  Nemophila menziesii Gail Newton 1980-6-7 123 Humboldt Near Brush Mtn. 1128 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
  RSA21087  Nemophila menziesii var. menziesii Carl B. Wolf 1937-6-19 8915 Humboldt North Coast Range, 3 miles west of Little Van Duzen River at summit of grade - Dinsmores to Bridgeville. 762 Comment
  CAS-BOT-BC219410  Nemophila parviflora Alice Eastwood; John Thomas Howell 1937-6-24 4864 Humboldt Road to Horse Mt. Comment
  UC162585  Nemophila pedunculata Joseph P. Tracy 1911-5-7 3178 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC176123  Nemophila pedunculata Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3605 Humboldt near Hydesville; Northern Coast Region, near Hydesville 30 Comment
  RSA43880  Nicotiana acuminata H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  HSC6971  Noccaea fendleri subsp. glauca Lincoln Constance, R. C. Rollins 1942-5-11 2877 Humboldt Hoopa Valley, 5 mi. S of Hoopa 122 Comment
  HSC62976  Nuphar polysepala David Wheeler 1979-5-18 117 Humboldt Fieldbrook Elementary School, behind the baseball field Comment
  HSC37831  Oemleria cerasiformis Thomas W. Nelson, Jane P. Nelson 1976-2-21 2248 Humboldt Tish-Tang campground Comment
  UC183606  Oemleria cerasiformis Joseph P. Tracy 1913-3-9 4022 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC565992  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; China Flat Quad. 182 Comment
  UC902146  Oemleria cerasiformis Joseph P. Tracy 1946-5-30 17550 Humboldt Carlotta; flat by old Strong's District School House, 5 mi e of town 60 Comment
  BLMAR318  Oenanthe sarmentosa Jennifer Anthony-Wheeler 2002-8-9 318 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  RSA246754  Oenanthe sarmentosa R. F. Thorne, P. Everett 1965-8-7 35179 Humboldt Big Lagoon, south end. 2 Comment
  CHSC70154  Oenothera glazioviana David K. Imper 1993-6-15 Humboldt Base of sand dunes, south end of Manila, west of Eureka. 6 Comment
  RSA0004549  Oenothera hookeri subsp. wolfii Carl B. Wolf, E. R. Johnson 1934-12-11 6172 Humboldt Redwood Highway just south of Trinidad. 30 Comment
  HSC92718  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-24 Humboldt About 1 mi. S of Orleans along Hwy. 96 43 Comment
  HSC82412  Oreostemma alpigenum var. andersonii Thomas W. Nelson 1979-7-11 5018 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC16683  Orobanche californica subsp. californica D. E. Anderson 1965-10-25 4159 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  UC1197454  Orobanche fasciculata Joseph P. Tracy 1908-6-7 2610 Humboldt Northern Coast Ranges. Butter Valley on Mad River. Comment
  HSC48820  Orogenia fusiformis Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 34 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  UC642296  Orogenia fusiformis Joseph P. Tracy 1932-7-15 10595 Humboldt ridges e. of Corral Prairie Trinity Summit 1828 Comment
  UC1197583  Orthilia secunda Joseph P. Tracy 1941-8-28 17045 Humboldt South Fork Mountain near McKay Camp 1706 Comment
  UCD117696  Orthilia secunda D. C. Hagar 1957-7-25 L 15 Humboldt Mill Creek, 7.5 miles east-northeast of Hoopa. 1402 Comment
  HSC73605  Orthocarpus cuspidatus subsp. copelandii M. A. Baker 1980-7-22 3096 Humboldt Near Grogan Hole. 1676 Comment
  HSC100677  Orthocarpus lithospermoides Carl C. Marshall Jun 1887 406 Humboldt Spruce Grove. Comment
  HSC55634  Osmorhiza berteroi Overton, Butler 1979-7-24 9649 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 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
  UC642277  Osmorhiza occidentalis Joseph P. Tracy 1933-7-26 12906 Humboldt Grouse Mountain 1630 Comment
  HSC32844  Osmorhiza purpurea Thomas W. Nelson, Jane P. Nelson 1973-5-28 945 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC22047  Oxalis oregana B. D. Rogers, D. E. Anderson 1965-5-1 511 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  JEPS43139  Oxalis oregana W. L. Jepson 1932-7-28 16432 Humboldt Bull Creek Flat Comment
  UCD110988  Oxalis oregana T. E. Weier 1942-5-21 s.n. Humboldt near Dyerville, Highway 101. Comment
  POM87947  Oxalis rubra L. R. Abrams 1922-6-25 8263 Humboldt Between Trinidad and Big Lagoon Comment
  SEINET3347161 Image available Oxalis trilliifolia Joseph P. Tracy 1923-6-24 6362 Humboldt Bald Mountain, near High Prairie 1067 Comment
  POM204618  Panicum acuminatum var. acuminatum A. S. Hitchcock 1915-7-13 527 Humboldt Eureka Comment
  UC1145220  Panicum acuminatum var. acuminatum Joseph P. Tracy 1939-7-9 16323 Humboldt Bald Mountain at Lake Prairie; Bald Mountain at Lake Prairie 1066 Comment
  UC1254537  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-8 1630 Humboldt 5 mi s Garberville (bank of South Fork Eel River at Hwy 101); bank of S Fk Eel River Comment
  UC247375  Panicum acuminatum var. acuminatum A. S. Hitchcock 1915-7-13 527 Humboldt Eureka Comment
  SJSU2547  Pectiantia ovalis H. L. Buckalew 1962-6-28 Humboldt Prairie Cr Redwoods State Park Comment
  RSA151842  Pedicularis racemosa Francia Chisaki, H. K. Sharsmith 1959-8-22 4754 Humboldt At Happy Camp adjacent to Douglas Fir Forest. Just over Trinity County line. 915 Comment
  HSC102049  Penstemon anguineus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 953 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC44545  Penstemon anguineus Brad Klipfel 1973-7-15 164 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC74185  Penstemon anguineus M. A. Baker 1980-7-23 3138 Humboldt Near Orleans Mtn. 1859 Comment
  UC1198048  Penstemon anguineus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  BLMAR213  Penstemon anguineus Jennifer Anthony-Wheeler 1996-7-9 213 Humboldt Pilots ridge., open gen. Loggged areas of +/- conf. Forest 1402 Comment
  RSA420442  Penstemon anguineus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2907 Humboldt Along east side of Red Lassic; beside road 1S07. 1677 Comment
  UC585633  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-24 15513 Humboldt 2 mi se Devil's Hole; Trinity Summit, se of Devil's Hole 1584 Comment
  HSC99528  Penstemon procerus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 192 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  JEPS11498  Penstemon procerus var. brachyanthus Joseph P. Tracy 1932-7-12 10480 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  JEPS7919  Penstemon rattanii Joseph P. Tracy 1930-8-24 9166 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  NY130492  Penstemon rattanii V. Rattan 06 1879 58 Humboldt 792.5 Comment
  UC169849  Penstemon rattanii var. kleei V. Rattan 1870-1 Humboldt Comment
Read comments
Sep 7 2007
  UC71525  Pentagramma triangularis subsp. triangularis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5733 Humboldt Supply Creek Comment
  UC906650  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1942-9-20 17324 Humboldt 2 mi s Fields Landing 3 Comment
  UC205464  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1920-8-29 5392 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  JEPS146  Perideridia gairdneri subsp. gairdneri W. L. Jepson 1936-8-17 17918 Humboldt hillside 2 mi s Field's Landing Comment
  POM89787  Perideridia parishii subsp. latifolia Joseph P. Tracy 1919-9-18 5231 Humboldt Trinity Summit 1829 Comment
  CAS-BOT-BC413506  Persicaria amphibia Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  HSC25526  Persicaria maculosa Norman Dennis 1965-6-8 109 Humboldt Samoa Peninsula along W side of Humboldt Bay Comment
  HSC98989  Petasites frigidus var. palmatus Cara Witte 2008-6-4 680 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1276 Comment
  JEPS1446  Phacelia bolanderi Milo S. Baker 1923-7-10 1 Humboldt hwy s Garberville Comment
  JEPS81041  Phacelia bolanderi J. P. Smith and Steve Selva 1970-6-14 3821 a Humboldt along CA 96 Whitmore Creek 152 Comment
  BLMAR632  Phacelia ciliata Jennifer Wheeler 2011-6-15 632 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  HSC98877  Phacelia egena Cara Witte 2007-5-29 137 Humboldt Along National Forest 1 near Kinsey Ridge. 1/2 mile south of cattle guard. 1369 Comment
  HSC76575  Phacelia hastata Teresa Prendusi 1981-7-24 485 Humboldt Near Whiteys Peak 1585 Comment
  HSC56933  Phacelia mutabilis G. L. Clifton, Butler 1979-7-26 9369 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC57205  Phacelia mutabilis Griswold, Butler 1979-7-12 7160 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  JEPS81021  Phacelia nemoralis subsp. oregonensis J. P. Smith and Steve Selva 1970-6-14 3828 Humboldt along CA 96 at Whitmore Creek 152 Comment
  UCD88524  Phalaris arundinacea J. W. Logan 1926-6-2 3 Humboldt Eureka. Rusk Ranch. Comment
  HSC10559  Phalaris californica E. W. Styskel 1964-5-10 87 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  UCSC000088  Phalaris californica H. L. Person 1932-5-11 s.n. Humboldt near Arcata - Eureka 15 Comment
  HSC100586  Philadelphus gordonianus Carl C. Marshall Jul 1885 91 Humboldt Mountains near streams. Comment
  UC902079  Philadelphus lewisii Joseph P. Tracy 1949-9-1 18534 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA10145  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek. 762 Comment
  UC187278  Phleum alpinum Joseph P. Tracy 1906-7-1 2514 Humboldt Eureka; Northern Coast Region 0 Comment
  UC188863  Phleum alpinum Joseph Burtt Davy 1899-7-30 6198 Humboldt Russ Ranch Comment
  CAS-BOT-BC250884  Phleum pratense Henry M. Pollard 1948-7-17 s.n. Humboldt Orleans Comment
  RSA10146  Phleum pratense Joseph P. Tracy 1933-7-21 12822 Humboldt Valley of South Yager Creek 762 Comment
  UC187279  Phleum pratense Joseph P. Tracy July, 1908 2892 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges, between Van Duzen and Mad Rivers 914 Comment
  HSC102076  Phlox diffusa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 978 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  RSA183632  Phlox diffusa subsp. diffusa D. E. Anderson 1965-4-24 3529 Humboldt Horse Mountain 1524 Comment
  UC1541553  Phlox gracilis H. E. Parks, J. P. Tracy 1930-5-25 795 Humboldt Laribee Valley 762 Comment
  SEINET2444304  Phyllospadix scouleri C. Davidson 2010-10-3 11819 Humboldt Moonstone State Beach. North of Arcata. Washed up by a high surf.; 0 Comment
  CAS-BOT-BC452021  Phyllospadix torreyi W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  CAS-BOT-BC140580  Physocarpus capitatus Thomas Nelson; Linda Barker 1977-6-3 3387 Humboldt On flood plain of Mad River at south end of Mad River Bridge 53 Comment
  UC1541675  Physocarpus capitatus W. K. Parks June 1932 Humboldt vicinity of Trinidad Comment
  CAS-BOT-BC78201  Picea sitchensis Doris K. Kildale 1926-6-18 2394 Humboldt on trail between Davidson's + Gold Bluffs Comment
  SBBG34261  Picea sitchensis J. W. Howe 1938-3-31 Humboldt near Arcata Comment
  CAS-BOT-BC78373  Pinus contorta H. E. Parks 1931-5-1 s.n. Humboldt Samoa, Pine Barrens Comment
  CAS-BOT-BC78377  Pinus contorta Ira L. Wiggins 1930-6-25 4620 Humboldt 2 miles north of Samoa Comment
  CAS-BOT-BC78378  Pinus contorta Alice Eastwood 1923-8-14 s.n. Humboldt Samoa Comment
  HSC70538  Pinus lambertiana Gail Newton 1980-7-22 1661 Humboldt Near Devils Backbone 1646 Comment
  HSC44656  Pityopus californicus M. A. Baker 1978-7-19 623 Humboldt Bulk Collection 136 Comment
  HSC45081  Plagiobothrys nothofulvus R. Sutherland 1978-4-23 23 .23478 Humboldt 724 Comment
  UC1562526  Plagiobothrys nothofulvus Barbara Ertter with Thomas J. Delendick 1987-5-16 6929 Humboldt ca 15 air mi e Arcata (just w of Berry Summit on Hwy 299, on n side of road); Vista Point 914 Comment
  UC206143  Plagiobothrys reticulatus J. P. Tracy 1909-6-13 2989 1/2 Humboldt Blue Lake 30 Comment
  JEPS79948  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-15 17115 Humboldt Englewood Prairie 91 Comment
  UC139568  Plagiobothrys reticulatus Joseph P. Tracy 1915-6-27 4660 Humboldt near the Creamery (Hydesville); Northern Coast Ranges, Hydesville 91 Comment
  UC667004  Plagiobothrys reticulatus Joseph P. Tracy 1939-4-18 16214 Humboldt w side South Fork Eel River at Garberville; w side South Fork Eel River, Garberville 152 Comment
  SEINET12275868  Plagiobothrys scouleri J. P. Tracy 1949-1 18322 Humboldt Cameron Hill on Kneeland Road Comment
  UC1222197  Plagiobothrys scouleri Joseph P. Tracy 1948-5-31 18021 Humboldt at the former William Perry place Dobbyn Dreek Comment
  RSA21081  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-6-19 8909 Humboldt Van Duzen River, 0.3 mi. above Bridgeville. 122 Comment
  JEPS68131  Plagiobothrys tenellus Joseph P. Tracy 1932-5-17 10070 Humboldt Redwood Creek, at Berry's Northern Coast Ranges 274 Comment
  HSC16826  Plantago erecta L. H. Myers 1963-5-14 13 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  JEPS6423  Plantago erecta Joseph P. Tracy 1932-5-10 9945 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  UCSB15784  Plantago erecta Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC16840  Plantago lanceolata D. B. Bader 1963-4-1 13 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  HSC16844  Plantago lanceolata R. I. Bonn 1965-5-9 38 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC62991  Plantago lanceolata David Wheeler 1979-4-23 83 Humboldt N end of Heindon Rd. at turn-around Comment
  HSC62906  Plantago maritima J. M. DiTomaso 1979-5-20 1057 Humboldt Above College Cove at Elks Head, 1 mi. N of Trinidad. Comment
  HSC98895  Platanthera dilatata var. leucostachys Cara Witte 2007-7-20 559 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  RSA12563  Platanthera leucostachys Carl B. Wolf 1934-7-2 5876 Humboldt At small lake at Snow Camp (Mtns E of Korbel) 1372 Comment
  RSA246764  Platanthera leucostachys Robert F. Thorne, Percy C. Everett 1965-8-9 35284 Humboldt Big Lagoon. 3 Comment
  RSA20791  Platanthera leucostachys Carl B. Wolf 1937-8-13 9256 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  UC1222187  Platanthera sparsiflora Joseph P. Tracy 1950-7-2 18964 Humboldt 6 mi ne Hawkins Bar (at Fern Spring); Trinity Summit Range, Happy Camp Mountain, Fern Spring 1280 Comment
  HSC16800  Platystemon californicus Jack Rockwell 1962-5-4 49 Humboldt Lone Star Junction 549 Comment
  JEPS4804  Plectritis brachystemon Joseph P. Tracy 1936-5-29 14823 1/2 Humboldt French Camp Ridge 1066 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
  HSC77949  Plectritis congesta subsp. brachystemon Jimerson, Imper 1982-5-17 1439 Humboldt Near Ashfield Ridge. 822 Comment
  UCR45351  Plectritis congesta subsp. brachystemon Barry Silver 1986-4-23 540 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC63844  Pleuricospora fimbriolata M. A. Baker 1979-6-29 953 Humboldt 900 Comment
  HSC26358  Poa annua T. O. Osborne 1970-6-18 41 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  UCD90512  Poa confinis Linda M. Barker 1976-4-30 1412 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC10694  Poa douglasii J. W. Johnson 1961-9-4 1101 Humboldt Christenson Farm, Samoa Peninsula, Arcata. Comment
  CAS-BOT-BC246619  Poa howellii Joseph P. Tracy 1926-5-15 7490 Humboldt Kneeland Prairie 762 Comment
  SEINET200573  Poa kelloggii Joseph P. Tracy 1911-6-4 3219 Humboldt Along Little River , Humbolt county , 5 miles from the coast 122 Comment
  HSC10692  Poa macrantha J. W. Johnson 1961-9-10 1111 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  HSC77908  Poa macrantha L. P. Janeway, Paul Wilson 1984-5-7 766 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  RSA152300  Poa macrantha Joseph P. Tracy 1917-5-30 4799 Humboldt Ocean Beach at mouth of Little River Comment
  HSC10768  Poa pratensis N. R. Waite 1965-5-19 42 Humboldt W edge of Humboldt State University campus. Comment
  HSC40330  Poa pratensis Thomas W. Nelson, Jane P. Nelson 1976-6-22 2854 Humboldt Bog along road to Goat Hill. 1646 Comment
  UC187249  Poa pratensis subsp. pratensis Joseph P. Tracy 1911-6-25 3259 Humboldt Bucksport; Northern Coast Region, Humboldt Bay 0 Comment
  UC525662  Poa secunda subsp. secunda Joseph P. Tracy 1932-7-17 10693 Humboldt head of Devil's Hole Trinity Summit; Klamath Mts 1828 Comment
  SEINET200570 Image available Poa trivialis J. P. Tracy 1909-6-13 2998 Humboldt On Mad River, 5 miles from its mouth, on damp banks in partial shade. 30 Comment
  UC1103188  Poa trivialis Joseph P. Tracy 1938-6-17 15948 Humboldt 1 mi e Cape Mendocino (Cape Ridge) 304 Comment
  UC39714  Poa unilateralis Harley P. Chandler May, 1901 1140 Humboldt Humboldt Bay; North Coast Ranges 3 Comment
  UCD92128  Poa unilateralis Harley P. Chandler 1901-5-1 1140 Humboldt Humboldt Bay. 3 Comment
  HSC35937  Polygala californica Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2030 Humboldt French Camp, Bald Hills. Comment
  UC902120  Polygala cornuta var. cornuta Joseph P. Tracy 1947-7-5 17788 Humboldt ridge top 1 mi w Mud Springs; Trinity Summit 1158 Comment
  JEPS50522  Polygonum convolvulus Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  HSC55269  Polygonum douglasii Overton, Butler 1979-8-2 12642 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC672935  Polygonum douglasii Joseph P. Tracy 1932-8-21 10366 Humboldt Three Cabins North Coast Ranges, Chararral Mountain (w foothills of mt.) 457 Comment
  UC1222332  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1950-8-8 19282 Humboldt Croghan Hole Trinity Summit 1676 Comment
  UC146188  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1908-6 2766 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC146189  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1908-6 2921 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  BLMAR58  Polygonum paronychia Jennifer Anthony-Wheeler 1994-3-1 58 Humboldt Samoa/manilla dunes, growing throughout the coastal dunes 12 Comment
  BLMAR616  Polygonum paronychia Jennifer Wheeler 2011-5-20 616 Humboldt King range, Below Strawberry Rock along Mattole dunes 7 Comment
  CHSC23310  Polygonum paronychia Robert F. Thorne; P. Everett 1965-8-5 35163 Humboldt Samoa Dunes. 3 Comment
  HSC33752  Polygonum paronychia A. Montalvo 1975-5-24 283 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  UC146160  Polygonum parryi Joseph P. Tracy 1908-6 2722 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  UC162921  Polygonum punctatum Joseph P. Tracy 1911-7-8 3473 Humboldt Clover Flat mine Northern Coast Ranges, Valley of Trinity River (along streamlet, near mouth of Willow Creek) 152 Comment
  UC175846  Polygonum punctatum Joseph P. Tracy 1912-10-20 3993 Humboldt Loleta Pond Northern Coast Ranges, Eel River Valley 15 Comment
  SEINET3404068 Image available Polygonum spergulariiforme Joseph P. Tracy 1921-10-2 5966 Humboldt Kneeland Prairie Comment
  CAS-BOT-BC71831  Polypodium californicum Ira L. Wiggins 1957-6-21 14141 Humboldt E side of road, 1 mi. S of Garberville Comment
  CAS-BOT-BC76870  Polypodium glycyrrhiza Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  JEPS19017  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  SEINET204933 Image available Polypodium scouleri C. O. Baker 1962-3-22 5 Humboldt 2 miles souh of Trinidad along old 101 highway 91 Comment
  UC1145088  Polypogon maritimus Joseph P. Tracy 1939-8-5 16377 Humboldt opposite Buck Mountain (along Van Duzen River, Dinsmore's); along Van Duzen River, opposite Buck Mountain 762 Comment
  HSC10854  Polypogon monspeliensis Jerry Parker 1968-11-22 241 .1 Humboldt McKinleyville beach. Comment
  HSC38921  Polypogon monspeliensis Linda M. Barker 1976-6-22 1625 Humboldt 3 mi. W of Arcata Comment
  HSC39900  Polypogon monspeliensis J. P. Smith 1971-10-9 5035 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  CAS-BOT-BC237457  Polypogon viridis Joseph P. Tracy 1926-7-4 7697 Humboldt Trinity River Valley, near the South Fork 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
  SD92985  Polystichum imbricans subsp. imbricans W. Bertsch 1953-7-29 215 Humboldt near Weott, Highway 101 60 Comment
  HSC1153  Polystichum munitum Paul Shields 1955-6-10 Humboldt 3 mi. S of Weott Comment
  SBBG307  Polystichum munitum H. and M. Dearing 1939-5-27 3455 Humboldt Patrick's Point Comment
  RSA430488  Polystichum munitum Lyman Benson 1928-7-9 409 Humboldt Weott Ranger Station. Seaward N coast. Watershed- South Fork Eel Rivers. 61 Comment
  UC1440061  Polystichum munitum Danin & H. G. Baker 1960-8-14 626 Humboldt n slope Eel Rock Rd. Eel Rock Rd. Comment
  HSC86453  Potamogeton natans D. K. Imper 1987-5-3 Humboldt Fish Lake 915 Comment
  HSC49611  Potamogeton natans R. York 1979-4-16 234 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  UCSB25141  Potentilla anserina subsp. pacifica Keefe, Joseph 1967-7-8 Humboldt South edge of Big Lagoon, 20 miles north of Eureka. 1 Comment
  CAS-BOT-BC142025  Potentilla drummondii Doris K. Kildale 1925-8-17 1233 Humboldt Waterdog Lake - Trinity Summit 1828 Comment
  HSC100633  Potentilla glandulosa Carl C. Marshall Jun 1887 447 Humboldt Spruce Grove. Comment
  UC1198686  Potentilla gracilis var. gracilis Joseph P. Tracy 1914-7-5 4556 Humboldt High Prairie on Bald Mountain Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  HSC97917  Potentilla gracilis var. gracilis Cara Witte 2007-6-14 287 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  HSC100561  Prosartes menziesii Carl C. Marshall May 1886 51 Humboldt Damp woods. Comment
  HSC103987  Prosartes smithii E. R. Fyer 2015-4-29 31 Humboldt Arcata Community Forest 129 Comment
  HSC15465  Prosartes smithii D. Connell 1965-5-11 50 Humboldt Arcata, Jolly Giant Creek 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
  HSC15481  Prosartes smithii K. P. St. John 1965-5-5 12 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  HSC14302  Prunella vulgaris William J. Ferlatte, B. D. Rogers 1966-6-15 2093 Humboldt Near Bridgeville Comment
  HSC26841  Prunella vulgaris Thomas W. Nelson 1971-1-8 321 Humboldt Ferndale next to Co. Fair Grounds Comment
  SEINET13947097 Image available Prunella vulgaris W. J. Ferlatte, B. D. Rogers 1966-1 2083 Humboldt 1 mi E of Forest Glen; 2400 ft alt., T29E, R8E, SEC19 732 Comment
  SEINET9325325  Prunella vulgaris Unknown 1934-5-6 Humboldt Fort Seward. Comment
  HSC57976  Prunella vulgaris subsp. lanceolata G. L. Clifton, Griswold 1979-7-31 11700 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  RSA245006  Prunella vulgaris var. lanceolata William J. Ferlatte 1966-6-15 2093 Humboldt Near Bridgeville Comment
  UC1288490  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-12-28 687 Humboldt n Weott (Avenue of the Giants, Humboldt Redwoods State Park); Humboldt Redwoods State Park, Avenue of the Giants Comment
  UC1321003  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-7-21 636 Humboldt s Weott (Burlington Residence Area and Campground, Humboldt Redwoods State Park); Humboldt Redwoods State Park Comment
  CAS-BOT-BC159830  Prunus avium Henry M. Pollard 1948-7-20 s.n. Humboldt Near Orleans Escape Comment
  JEPS44938  Prunus emarginata W. L. Jepson 1902-7-16 2034 Humboldt Trinity Summit 2133 Comment
  POM161041  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit 1829 Comment
  UC1198770  Prunus emarginata Joseph P. Tracy 1920-4-18 5314 Humboldt around Humboldt Bay (Mad River, near bridge on Trinidad Road); Northern Coast Region, Mad River 15 Comment
  UC183605  Prunus emarginata Joseph P. Tracy 1912-7-31 3922 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain Comment
  UC492201  Prunus emarginata Joseph P. Tracy 1932-7-13 10527 Humboldt at Corral Prairie, Trintiy Summit, Klamath Mountains Corral Prairie; Klamath Mountains, Trintiy Summit 1524 Comment
  SEINET11917572  Prunus virginiana J. P. Tracy 1950-6-25 18881 Humboldt Burr Valley Rd, Buck Mt 1067 Comment
  HSC90233  Pseudognaphalium ramosissimum Louise Watson, Jan Meninga Aug 1990 5 Humboldt Mad River Slough and Dunes. Co-operative management area Comment
  HSC56460  Pseudognaphalium stramineum Griswold, Butler 1979-7-12 7244 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC40526  Pseudognaphalium thermale Thomas W. Nelson, James Nelson 1976-7-28 3060 Humboldt SW-facing outcrop along S.R. 36 ca. 4 mi. W of Dinsmore Comment
  HSC98638  Pseudotsuga menziesii Cara Witte 2008-7-11 884 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  RSA134611  Pseudotsuga menziesii P. C. Everett, B. K. Balls 1959-10-25 23971 Humboldt 7 mi SW from Ferndale along Old Coast Road to Capetown. 564 Comment
  HSC40003  Pseudotsuga menziesii var. menziesii Linda M. Barker 1976-9-3 1689 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC76289  Pseudotsuga menziesii var. menziesii Teresa Prendusi 1981-7-9 248 Humboldt Near Slate Creek Butte 1122 Comment
  UC915719  Pseudotsuga menziesii var. menziesii W. L. Jepson June 1903 48 Humboldt Briceland Comment
  UC673081  Psilocarphus brevissimus var. brevissimus Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16674 Humboldt Grouse Mt. 1554 Comment
  UC582502  Psilocarphus tenellus Joseph P. Tracy 1937-6-20 15339 Humboldt 10.0 mi up stream mouth of Bear River; Bear River 152 Comment
  UC165835  Psilocarphus tenellus Joseph P. Tracy 1911-7-5 3330 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of the Trinity River 152 Comment
  SD42991  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  JEPS66558  Pyrola aphylla Lincoln Constance 1934-6-2 792 Humboldt Bull Creek Region, road to mouth of Bull Cr. and up Bull Cr., South Fork Eel River Comment
  SBBG59887  Pyrola asarifolia S. W. Hutchinson -Jun-1927 317 Humboldt Redwood Hwy 304 Comment
  UC1197571  Pyrola asarifolia Edith Tracy 1898-7-1 248 Humboldt on Kneeland Prairie Road about 10 miles Esta of Eureka 457 Comment
  RSA47165  Pyrola asarifolia subsp. bracteata Doris K. Kildale 1927-7-10 3730 Humboldt Gans Prairie, Bald Mountain Comment
  UC1541552  Pyrola picta Harold E. Parks 1934-6-27 4931 Humboldt Horse Mountain 1280 Comment
  HSC100474  Pyrola picta Carl C. Marshall Jun 1886 294 Humboldt Pine Creek. Comment
  UC154161  Pyrola picta Mrs. M. H. Manning 1900-1 Humboldt near Hupa, Bald Hill Comment
  CAS-BOT-BC36510  Quercus Doris Kildale 1931-5-10 10580 Humboldt Snow Camp Comment
  UC275588  Quercus chrysolepis Joseph P. Tracy 1924-8-31 6845 Humboldt Klamath River at Bluff Creek Northern Coast Ranges 91 Comment
  UC275589  Quercus garryana Joseph P. Tracy 1924-8-31 6856 Humboldt Klamath River at Bluff Creek Northern Coast Ranges 91 Comment
  HSC8262  Quercus kelloggii Doris K. Kildale 1926-7-25 2432 Humboldt Briceland Bridge, 1/2 mi. W of Garberville 114 Comment
  HSC98723  Quercus kelloggii Cara Witte 2008-7-11 885 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  OBI36667  Quercus kelloggii David J. Keil 1983-7-2 17342 Humboldt 2.8 mi S of SR 299 along titlow HIll rd, SW of Willow Creek Comment
  UC1196358  Quercus kelloggii Joseph P. Tracy 1913-6-22 4270 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 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
  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
  UC519303  Quercus vacciniifolia Joseph P. Tracy 1933-8-30 13009 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UCD47426  Quercus vacciniifolia John M. Tucker 1948-9-3 1851 Humboldt California, Humbolt Co.; Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest; 1950 Comment
  CAS-BOT-BC186672  Ranunculus Mrs. H. C. Cantelow 1935-5-31 828 Humboldt 8 mi. nor. of Orick Comment
  CAS-BOT-BC379173  Ranunculus aquatilis var. aquatilis Joseph P. Tracy 1937-5-30 15311 Humboldt Larrabee Creek; in shallow pond near Bosworth's 366 Comment
  HSC26638  Ranunculus lobbii Thomas W. Nelson 1971-5-31 447 Humboldt Vernal pond Comment
  UC1196227  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5458 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  HSC18169  Ranunculus occidentalis var. occidentalis Francis Winter 1960-5-7 Humboldt NE end of Arbor Camp Ridge 915 Comment
  HSC45624  Ranunculus occidentalis var. occidentalis Diane L. Reed 1978-4-22 11 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC73606  Ranunculus occidentalis var. occidentalis M. A. Baker 1980-7-22 3118 Humboldt Near Grogan Hole. 1676 Comment
  HSC40619  Ranunculus occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-6-30 4141 Humboldt Comment
  UC1196255  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1912-7-31 3900 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (nw slope of mt.) 1066 Comment
  POM149011  Ranunculus pusillus Joseph P. Tracy 1903-5-24 s.n. Humboldt At Alder Point on Eel River. 152 Comment
  UC1196265  Ranunculus repens Joseph P. Tracy 1933-7-20 12803 Humboldt Arcata Bottom North Coast Ranges 15 Comment
  CDA3483  Ranunculus repens T. C. Fuller 1966-5-24 14709 Humboldt Arcata Bottoms, 0.75 mile west of Highway 101, 2 miles north of Arcata. 0 Comment
  JEPS81053  Ranunculus sardous Thomas Nelson and Doris Niles 1979-5-19 4696 Humboldt Crab Park Ferndale Quad., Eel River (tidal marsh mouth of river, n of County Park) Comment
Read comments
Sep 9 2008
  UC183766  Ranunculus uncinatus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3620 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC31570  Ranunculus uncinatus var. parviflorus Glenn McGourty 1974-5-11 40 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  HSC6888  Raphanus sativus W. F. Nickel 1965-4-3 Humboldt 1 mi. N of Orick on Hwy. 101 Comment
  UC61091  Rhamnus californica subsp. californica Harley P. Chandler Jun 1901 1453 Humboldt Klamath River North Coast Ranges Comment
  UC709447  Rhamnus californica subsp. occidentalis Joseph P. Tracy 1941-9-4 17012 Humboldt along Trinity Highway Willow Creek Canyon 609 Comment
  JEPS41952  Rhamnus purshiana W. L. Jepson 1902-7-15 2032 Humboldt Mud Spring to Trinity Summit 1219 Comment
  JEPS41976  Rhamnus purshiana W. L. Jepson 1936-8-18 17942 Humboldt Wildcat Ridge, w Humboldt Co. Wildcat Ridge Comment
  RSA7816  Rhamnus purshiana Doris K. Kildale 1928-7-1 5304 Humboldt French camp on Orick-Martins ferry road 610 Comment
  UC630478  Rhamnus purshiana H. E. and S. T. Parks Jun 1937 24018 Humboldt Spruce Cove Trinidad Comment
  HSC27016  Rhododendron columbianum Brad Klipfel 1973-8-9 268 Humboldt Big Lagoon County Park Comment
  CAS-BOT-BC56607  Rhododendron macrophyllum Joseph P. Tracy 1906-6-10 2489 Humboldt Kneeland Prairie Road, region about Humboldt Bay 609 Comment
  CAS-BOT-BC56608  Rhododendron macrophyllum A. A. Heller 1937-6-8 15898 Humboldt in the forest at Bishop Pine Lodge, 3 miles north of Trinidad Comment
  UC614839  Rhododendron macrophyllum Beryl O. Schreiber 1934-6-5 1136 Humboldt 20 mi e of Blue Lake (road to Redding) Comment
  CAS-BOT-BC56640  Rhododendron occidentale Aven Nelson; Ruth A. Nelson 1933-5-15 575 Humboldt Redwood Highway 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
  OBI33909  Rhododendron occidentale David J. Keil 1983-7-2 17313 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mountain Summit rd Comment
  CAS-BOT-BC200386  Rhododendron occidentale var. paludosum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC200387  Rhododendron occidentale var. paludosum Harley P. Chandler 1901-6-1 1448 Humboldt Klamath River 457 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
  HSC56093  Ribes binominatum G. L. Clifton, Griswold 1979-7-31 11794 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC97217  Ribes bracteosum M. Mesler 2007-3-23 743 Humboldt Near Trinidad, trail from Mill Creek to Elk Head, along creek near beach. 23 Comment
  UC303169  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1925-3-15 6943 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC169150  Ribes inerme var. klamathense Joseph P. Tracy 1939-5-14 16297 Humboldt Dinsmore's along Van Duzen River, opposite Buck Mountain 762 Comment
  UC667072  Ribes inerme var. klamathense Joseph P. Tracy 1937-4-3 15243 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC667074  Ribes inerme var. klamathense Joseph P. Tracy 1939-5-14 16297 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  HSC44193  Ribes lacustre Thomas W. Nelson, Jane P. Nelson 1977-6-19 3490 Humboldt 1616 Comment
  UC492207  Ribes lacustre Joseph P. Tracy Jul 16 1930-Jul 19 1930 9078 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC667070  Ribes lacustre Joseph P. Tracy 1933-7-16 12784 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC176808  Ribes laxiflorum Doris K. Kildale 1926-3-24 1681 Humboldt Ryan Slough - on road to Occidental Ranch Comment
  UC1215538  Ribes laxiflorum D. E. Anderson 1962-4-1 1969 Humboldt intersection of Clam Beach Rd. and Dows Prairie Rd. Comment
Read comments
Apr 5 2012
  HSC103205  Ribes lobbii Jade Paget-Seekins 2010-6-30 33 Humboldt Grouse Mountain on Forest Route 1 at the fork with Grouse Mountain Road. 1578 Comment
  HSC20309  Ribes menziesii M. L. Stuart 1965-5-6 64 Humboldt Fern Lake Dam Comment
  SJSU7838  Ribes menziesii R. D. Spadoni 1965-3-26 108 Humboldt Trinidad Comment
  HSC57643  Ribes nevadense G. L. Clifton, Griswold 1979-7-25 10807 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1198950  Ribes roezlii var. amictum Joseph P. Tracy 1930-7-27 9111 Humboldt near Petrolia; North Coast Ranges, Mattole River 15 Comment
  BLMAR269  Ribes roezlii var. cruentum Jennifer Anthony-Wheeler 1999-7-30 269 Humboldt Lacks Creek, growing in Hupa mt quad 1219 Comment
  BLMAR596  Ribes roezlii var. cruentum Jennifer Wheeler 2010-9-14 596 Humboldt Lacks Creek, along Pine Ridge Road 975 Comment
  HSC103225  Ribes roezlii var. cruentum Jade Paget-Seekins 2010-6-23 23 Humboldt Horse Mountain. Slightly less than 10 miles up Titlow Hill Road, on Forest Route 1. Near 'Road Narrows' sign. 1558 Comment
  HSC20349  Ribes roezlii var. cruentum Eugene Andreuccetti 1964-5-2 39 Humboldt 5 mi. from Willow Creek on Hwy. 299 Comment
  HSC20348  Ribes sanguineum C. O. Baker 1962-3-22 12 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  HSC57037  Ribes sanguineum Overton, Butler 1979-7-24 9674 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC144691  Ribes sanguineum var. glutinosum Doris K. Kildale 1926-6-27 2226 Humboldt Little Van Duzen River. on Bridgeville - Weaverville road 640 Comment
  HSC79518  Ribes sanguineum var. glutinosum Kenneth Clark 1980-3-1 520 Humboldt Lower and middle terraces of Dead Man's Gulch 37 Comment
  JEPS49335 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1925-4-5 6960 Humboldt at crossing of Kneeland Road (Lawrence Creek); Northern Coast Ranges 609 Comment
  UC902092  Ribes sanguineum var. glutinosum Joseph P. Tracy 1943-3-14 17408 Humboldt vicinity Carlotta 30 Comment
  UCR138884  Ribes sanguineum var. glutinosum E. Bower, S. Marubayashi, E. Perry 1997-5-10 52 Humboldt Titlow Hill Road, 0.5 mi past intersection with Hwy 299 762 Comment
  RSA0048254  Ribes sanguineum var. glutinosum James R. Shevock 1972-3-6 1471 Humboldt Along Hwy. 299. 304 Comment
  CAS-BOT-BC173994  Ribes viscosissimum Joseph P. Tracy 1932-7-12 10466 Humboldt Ridges East of Corral Prairie 1828 Comment
  HSC32267  Ribes viscosissimum J. O. Sawyer 1970-6-24 2276 Humboldt W of Mill Creek Lakes. 1677 Comment
  UC1541335 Image available Ribes viscosissimum W. K. Parks July 1933 Humboldt South Fork Mountain Comment
  UC166087  Rigiopappus leptocladus Joseph P. Tracy 1911-7-7 3405 Humboldt between Willow Creek and Campbell Creek (viz ridge n of Willow Creek near the summit); Northern Coast Ranges, Brannan Mountain 914 Comment
  HSC100714  Rigiopappus leptocladus Carl C. Marshall Jul 1887 450 Humboldt Rock near Asbill's Ranch. Comment
  JEPS1248  Romanzoffia californica Joseph P. Tracy 1923-4-29 6196 Humboldt Kneeland Prairie 762 Comment
  UC275275  Rorippa nasturtium-aquaticum Joseph P. Tracy with H. E. Parks 1923-5-30 6246 Humboldt in small streamlet mouth Little River; Northern Coast Ranges, mouth Little River 3 Comment
  UC667042  Rosa californica Joseph P. Tracy 1933-6-25 12617 Humboldt Camp Grant Eel River (along river) 60 Comment
  HSC58243  Rosa gymnocarpa G. L. Clifton, Griswold 1979-8-2 12413 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS47241  Rosa gymnocarpa W. L. Jepson 1932-7-30 16462 Humboldt Bull Creek 121 Comment
  CAS-BOT-BC146824  Rosa nutkana Harley P. Chandler 1901-5-1 1198 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC146831  Rosa nutkana M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  HSC98988  Rosa nutkana Cara Witte 2007-7-3 412 Humboldt Along National Forest 1. Approximately 1 mile south of White Oak Opening. 1364 Comment
  UC12912  Rosa nutkana var. nutkana Harley P. Chandler May, 1901 1198 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC667044  Rosa nutkana var. nutkana Joseph P. Tracy 1936-6-21 14993 Humboldt Iaqua 609 Comment
  UC667040  Rosa pisocarpa subsp. pisocarpa Joseph P. Tracy 1940-7-14 16691 Humboldt on river bank Garberville 152 Comment
  HSC89515  Rubus armeniacus M. Roantree 1985-6-10 81 Humboldt East side of Trinidad Head Comment
  HSC99891  Rubus armeniacus Bill Wood 2011-8-19 Humboldt Eureka; corner of Myrtle Ave. and Bettie Lane Comment
  UC302102  Rubus laciniatus Joseph P. Tracy 1926-11-7 7828 Humboldt opposite Scotia (along Eel River from South Fork to Scotia); Northern Coast Ranges, along Eel River 60 Comment
  CAS-BOT-BC148354  Rubus lasiococcus Joseph P. Tracy 1930-7-17 9021 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  HSC57115  Rubus leucodermis Overton, Butler 1979-7-25 9858 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  SBBG115409  Rubus parviflorus A. T. Leiser 1980-7-9 Humboldt N of Orick, Hwy 101 reroute, near Redwood Park Comment
  UC666863  Rubus parviflorus Joseph P. Tracy 1937-5-17 15299 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, at Willow Creek 152 Comment
  UC906703  Rubus parviflorus Harold E. Parks and Joseph P. Tracy 1942-5-16 11562 Humboldt vicinity Garberville; vicinity of Garberville 152 Comment
  CAS-BOT-BC156721  Rubus spectabilis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  CHSC68502  Rubus spectabilis Vernon H. Oswald 1997-4-10 8315 Humboldt Clam Beach between Arcata and Trinidad. Bordering a creek on the back beach. 30 Comment
  CHSC94934  Rubus spectabilis K. Lang; J. Lang 2005-3-16 38 Humboldt Trinidad, N. California coast. 51 Comment
  HSC19677  Rubus spectabilis D. K. Smith 1968-3-3 10 Humboldt On West End Rd., ca. 3 mi. from Hwy. 299 Comment
  SEINET3111191  Rubus spectabilis Steve Selva, Roger Jensen 1974-8-21 27 Humboldt Approx 3 miles N of Trinidad; redwood grove adjacent to Hwy 101 rest stop. Comment
  UC584131  Rubus spectabilis David D. Keck and J. Clausen 1935-6-16 3394 Humboldt mouth of Little River Comment
  UCSB31471  Rubus spectabilis Clark, Sharon 1978-3-29 Humboldt 119.5 miles on Route 101, 2 miles south of Orick 91 Comment
  HSC19695  Rubus ursinus W. R. Brigham 1962-5-3 26 Humboldt Side of old Hwy. 101 N of Big Lagoon Rd. Comment
  HSC19696  Rubus ursinus Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  HSC39999  Rubus ursinus J. O. Sawyer 1970-6-27 2306 Humboldt Site 318. 1494 Comment
  UCR45827  Rubus ursinus Kenneth Clark 1980-4-18 593 Humboldt North Coast, Shelter Cove. On lower alluvial terrace of Dead Man's Gulch 24 Comment
  SEINET5710898  Rudbeckia occidentalis Lowell E. Urbatsch 1990-1 6799 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this rd. (FD 7 NO4) travel 1.5 miles to another fork; continue on 7No4N (the left fork) for 7.4 miles. At this point, take 7NO4N, the rd to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  SEINET5710905  Rudbeckia occidentalis Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6104 Humboldt From California 299 at Hawkins Bar (In Trinity County), turn onto the road to Denny and travel 1.7 miles down this road toa fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to antoher fork in the road. Take the right fork (away from thr road leading to Waterman Ridge and Willow Creek). On the road (7NO4), travel 1.5 miles to another fork; continue on 7NO4 (the left fork) for 7.4 miles. At this point, take 7 NO4N, the road to Groves Prairie. The collection site is a short distance up the road.; Groves Prairie Comment
  HSC102053  Rumex acetosella M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 958 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC70394  Rumex acetosella M. A. Baker 1980-6-7 1847 Humboldt Near Ammon Creek 732 Comment
  UC6931  Rumex acetosella J. Burtt Davy 1899-6-13 5484 B Humboldt near Camp Grant; North Coast Ranges Comment
  CAS-BOT-BC421935  Rumex acetosella Doris K. Kildale 1927-6-25 3576 Humboldt Fearriens Ranch between Thorn & Shelter Cove. Comment
  HSC17564  Rumex acetosella S. R. Johnson 1965-4-16 45 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC95647  Rumex acetosella Andrea Pickart 2002-4-3 36 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  UCD100992  Rumex acetosella Lincoln Constance 1934-6-3 807 Humboldt Bull Creek Region, South Fork Eel River. Along N side of Redwood Hwy, at Dyerville. Comment
  UCSC000212  Rumex aquaticus var. fenestratus Franklin P. Nutting 1894-7-25 s.n. Humboldt Willow Creek Comment
  JEPS39867  Rumex obtusifolius Milo S. Baker 1923-8-4 181 Humboldt s of Stone Lagoon Comment
  HSC99577  Rumex occidentalis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 242 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
  UC1225779  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Box Camp Trinity Summit 1463 Comment
  UC176683  Rumex pulcher Joseph P. Tracy 1912-6-9 3645 Humboldt Alton Northern Coast Region 30 Comment
  HSC31482  Rumex salicifolius R. F. Thorne, P. Everett 1965-8-9 35311 Humboldt Big Lagoon 3 Comment
  UC902094  Sagina saginoides Joseph P. Tracy 1947-8-24 17918 Humboldt near Box Camp Trinity Summit 1676 Comment
  CAS-BOT-BC445640  Sagittaria cuneata Henry M. Pollard 1946-8-16 s.n. Humboldt Pond near Harley place, Orleans region Comment
  BLMAR466  Salicornia depressa Jennifer Anthony-Wheeler 2007-8-28 466 Humboldt South Spit 6 Comment
  HSC4507  Salicornia depressa Norman H. Moe 1962-5-19 Humboldt Lanphere's Place, next to Mad River Slough Comment
  CDA15324  Salicornia perennis R. Spadoni 1998-10-5 s.n. Humboldt North Coast; Near Loleta. 0 Comment
  UC481361  Salix exigua var. hindsiana Harold E. Parks 1931-5-14 958 Humboldt Fernbridge; lower Eel River 10 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-BC106854  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01212 Humboldt 1 mile north of Samoa Comment
  CAS-BOT-BC107724  Salix hookeriana Alice Eastwood 1923-8-14 12321 Humboldt Samoa Comment
  CAS-BOT-BC107731  Salix hookeriana Harold E. Parks 1931-3-26 904 Humboldt Alton, on Van Duzen River 15 Comment
  CAS-BOT-BC107771  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1226 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  HSC20066  Salix hookeriana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1231 Humboldt Van Duzen River, 1.5 mi. E of Alton 30 Comment
  HSC96609  Salix hookeriana Gordon Leppig 2005-4-8 2211 Humboldt W end of W Hawthorne St., Eureka 3 Comment
  JEPS12957  Salix hookeriana Joseph P. Tracy 1931-9-27 9692 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  JEPS13092  Salix hookeriana Joseph P. Tracy 1936-2-23 14773 Humboldt Fortuna; bank of Eel River 15 Comment
  RSA34314  Salix hookeriana C. Kistner 1935-5-10 s.n. Humboldt Samoa. Comment
  RSA475258  Salix hookeriana Lyman D. Benson 1928-7-5 370 Humboldt Garberville. Seward N Coast mtn range. S Fork Eel River. 244 Comment
  UC1196550  Salix hookeriana Joseph P. Tracy 1946-6-15 17568 Humboldt at head of Willow Creek (Willow Creek Canyon along Trinity Hwy.); Willow Creek Canyon 822 Comment
  UC1225923  Salix hookeriana Joseph P. Tracy 1942-7-26 17297 Humboldt near the Redwood House S. Yaeger Creek 609 Comment
  UC481333  Salix hookeriana Harold E. Parks 1931-5-27 998 Humboldt Bishop Pine Lodge Trinidad 76 Comment
  UC490469  Salix hookeriana Joseph P. Tracy 1932-9-5 10769 Humboldt Mattole R. near Petrolia; Northern Coast Region, Mattole R. 15 Comment
  UC512003  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1231 Humboldt 1 1/2 mi e Alton (floodplain of Van Duzen R.) 30 Comment
  UCD111020  Salix hookeriana Carleton R. Ball; Harold E. Parks and Joseph P. Tracey 1932-5-11 01210 a Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad. Comment
  UC481239  Salix lasiandra subsp. lasiandra Harold E. and Susan T. Parks 1931-8-15 1078 Humboldt Van Duzen R. Blue Slide; , Blue Slide 100 Comment
  UC490525  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9796 Humboldt Alton to Fortuna; Northern Coast Region 15 Comment
  UC490526  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9795 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC518900  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 3 Humboldt around Eureka Eureka Comment
  UC518902  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 1 Humboldt around Eureka Eureka Comment
  CAS-BOT-BC125227  Salix lasiandra var. lasiandra Harold E. Parks 1931-3-24 0911 Humboldt Fortuna, on banks of Eel River 10 Comment
  CAS-BOT-BC128195  Salix lasiandra var. lasiandra Marcus E. Jones 1924-4-25 s.n. Humboldt Dyerville Comment
  CAS-BOT-BC107591  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1317 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  JEPS12945  Salix lasiolepis Joseph P. Tracy 1929-10-20 8681 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 762 Comment
  POM219355  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469433  Salix lasiolepis Joseph P. Tracy 1931-10-3 9707 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490468  Salix lasiolepis Joseph P. Tracy 1932-9-5 10768 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC490542  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1932-8-13 10343 Humboldt 3 mi. e. Trinidad (on Luffenholz Creek); Northern Coast Region, Luffenholz Creek 60 Comment
  UC490544  Salix lasiolepis Joseph P. Tracy 1932-5-10 9958 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC506342  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen River 228 Comment
  UC506344  Salix lasiolepis Joseph P. Tracy 1933-3-19 10932 Humboldt Blue Slide, on Van Duzen River 228 Comment
  UC506374  Salix lasiolepis Joseph P. Tracy 1933-4-9 10964 Humboldt Bridgeville 228 Comment
  UC506398  Salix lasiolepis Joseph P. Tracy 1933-4-9 10968 Humboldt Bridgeville Northern Coast Ranges, Van Duzen River (along river) 228 Comment
  UC512043  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1318 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC519343  Salix lasiolepis Joseph P. Tracy 1933-10-8 13088 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UCSB10872  Salix lasiolepis Parks, Harold; Parks, Susan 1931-8-15 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC107405  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-3-28 1677 Humboldt Redwood Creek at Berry's Comment
  POM184868  Salix lucida subsp. lasiandra H. E. Parks, Susan T. Parks 1932-5-12 1150 Humboldt Near bridge at mouth of Maple Creek. Big Lagoon. Comment
  SBBG57828  Salix lucida subsp. lasiandra H. E. Parks, J. P. Tracy 1931-5-17 966 Humboldt banks of Willow Crk Comment
  CAS-BOT-BC125605  Salix melanopsis Harold E. Parks 1931-5-14 0965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  JEPS12936  Salix melanopsis Joseph P. Tracy 1931-5-3 9344 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  JEPS14755  Salix melanopsis Joseph P. Tracy, C. R. Ball, and H. E. Parks 1932-5-17 10095 Humboldt Trinity River near Willow Creek; North Coast Ranges 152 Comment
  JEPS38370  Salix melanopsis W. L. Jepson 1902-6 2121 Humboldt Supply Creek Hupa Valley 243 Comment
  SD920  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen River above Bridgeville, river bed 299 Comment
  UC469461  Salix melanopsis Joseph P. Tracy 1931-10-3 9704 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC511986  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1242 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC519373  Salix melanopsis Joseph P. Tracy 1933-5-20 12262 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  CAS-BOT-BC129142  Salix scouleriana H. E. Parks 1932-11-25 1351 Humboldt Spruce Cove (Parks Ranch), Trinidad Comment
  HSC20087  Salix scouleriana D. Sutherland, R. Spellenberg, A. Sylvester 1966-3-27 1359 Humboldt 1 mi. E of N Fork of the Mad River along Hwy. 299 Comment
  UC1196705  Salix scouleriana Joseph P. Tracy 1933-3-26 10945 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  POM219686  Salix sessilifolia H. E. Parks 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  HSC33297  Salix sitchensis R. W. Becking, Thomas Overturf 1975-3-25 705 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  HSC79493  Salix sitchensis Kenneth Clark 1980-3-24 545 Humboldt Alluvial terrace of Dead Man's Gulch 15 Comment
  HSC96608  Salix sitchensis Gordon Leppig 2005-4-8 2212 Humboldt Eureka, edge of PALCO Marsh at W end of W Hawthorne St. 3 Comment
  UC1713724  Salix sitchensis Joseph P. Tracy 1905-11-5 2398 Humboldt immediate vicinity of Eureka 0 Comment
  UC481385  Salix sitchensis Harold E. Parks 1931-3-24 910 Humboldt Trinidad 90 Comment
  UC506372  Salix sitchensis Joseph P. Tracy 1933-5-7 12154 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC526720  Salix tracyi Joseph P. Tracy 1934-9-30 13678 Humboldt Bridgeville, along Van Duzen River 198 Comment
  UC275297  Salsola tragus Joseph P. Tracy 1924-8-31 6838 Humboldt Klamath R. at Bluff Creek; Northern Coast Ranges 91 Comment
  JEPS13394  Sambucus racemosa var. racemosa Joseph P. Tracy 1932-7-14 10570 Humboldt ridges e Corral Prairie; Trinity Summit 1676 Comment
  UCD137263  Sambucus racemosa var. racemosa Joseph P. Tracy 1941-3-9 16803 Humboldt Camp Grant, near junction of South Fork and main Eel River. 60 Comment
  UCSB22664  Sambucus racemosa var. racemosa Jensen, Karen 1965-4-14 Humboldt Along Tompkin's Hill Rd., 2.7 mi. from Hwy. 101 turnoff, northeast of Fortuna 91 Comment
  CAS-BOT-BC157200  Sanguisorba officinalis L. B. Kildale 1930-7-11 10208 Humboldt Snow Camp head of Redwood Creek Comment
  RSA12537  Sanguisorba officinalis subsp. microcephala Carl B. Wolf 1934-7-2 5901 Humboldt At small lake at Snow Camp (Mtns E of Korbel) 1372 Comment
  HSC89551  Sanicula arctopoides Mike Roantree 1985-4-28 13 Humboldt N side of Trinidad Head, on coastal buff slope below trail Comment
  JEPS184  Sanicula arctopoides Joseph P. Tracy 1936-5-30 14838 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC1197103  Sanicula bipinnatifida Joseph P. Tracy 1923-4-1 6173 Humboldt near Blue Lake (Northern Coast Ranges); Northern Coast Ranges 304 Comment
  HSC89601  Sanicula crassicaulis M. Roantree 1985-4-28 16 Humboldt W side of Trinidad Head, along trail Comment
  RSA167410  Sanicula crassicaulis Joseph P. Tracy 1950-7-6 19023 Humboldt Sproston s Place, 3 miles south of Burr Valley 1067 Comment
  UC1515012  Sanicula laciniata Bolander June 1867 6522 Humboldt Mattole River Comment
  HSC68638  Sanicula tracyi Jacqueline Greenleaf 1980-5-25 86 Humboldt Near Dinsmores. 735 Comment
  UC1222809  Sanicula tracyi Joseph P. Tracy 1950-4-20 18606 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); along Van Duzen River, opposite 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
  HSC101030  Sanicula tuberosa John McRae 1994-7-1 36 Humboldt Route 1 to FS Rd. 3N14. Approx. .25 mi. to end of PC-1. 1220 Comment
  UC154088  Sanicula tuberosa Joseph P. Tracy 1908-6 2825 Humboldt Northern Coast Ranges, Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1219 Comment
  UC577374  Satureja douglasii Joseph P. Tracy 1923-6-20 6315 Humboldt White Thorn Valley 304 Comment
  UC492228  Saxifraga ferruginea Joseph P. Tracy 1932-7-18 10710 Humboldt head of Brett Hole (Trinity Summit); Klamath Mountins, , Brett Hole 1828 Comment
  UC1198883  Saxifraga marshallii Joseph P. Tracy 1935-5-12 13800 Humboldt at East Fork Willow Creek, Willow Creek Canyon, along Trinity Highway Willow Creek; Willow Creek Canyon, East Fork Willow Creek 457 Comment
  UC161581  Saxifraga mertensiana Joseph P. Tracy 1911-6-4 3217 Humboldt 5 mi from The Coast (along Little River); Northern Coast Region, Little River 121 Comment
  UC902008  Saxifraga mertensiana Joseph P. Tracy 1948-5-31 17999 Humboldt Harris 762 Comment
  UCSB28675  Saxifraga mertensiana Calhoun, R. 1973-3-26 Humboldt Along Avenue of the Giants, 1 mile from southern junction with US 101, 3 miles north of Garberville 45 Comment
  HSC82129  Saxifragopsis fragarioides D. K. Imper 1985-6-19 Humboldt Above and Below FS road 10N01, just NW of Whitey's Peak 1372 Comment
  UC642323  Scandix pecten-veneris Joseph P. Tracy 1935-5-25 13872 Humboldt Fort Seward 106 Comment
  RSA0101646  Sceptridium multifidum Robert F. Thorne, Percy Everett 1965-8-7 35230 a Humboldt Big Lagoon. 3 Comment
  HSC7443  Schoenoplectus americanus D. E. Anderson 1961-9-9 1792 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  UC1541346  Scirpus acutus var. occidentalis Harold E. Parks Aug 1934 5156 a Humboldt Dry Lagoon Comment
  UC419066  Scirpus acutus var. occidentalis H. E. Parks 1930-9-14 771 Humboldt n shore Big Lagoon; n shore Big Lagoon Comment
  HSC58816  Scirpus congdonii G. L. Clifton, Griswold 1979-8-1 12072 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC184186  Scirpus microcarpus Joseph P. Tracy 1914-9-13 4628 Humboldt at Eureka Northern Coast Region, at Eureka 0 Comment
  CAS-BOT-BC361311  Scoliopus bigelovii Richard R. Halse 2013-3-28 8766 Humboldt Along U.S. Hwy. 101 ca. 2.2 miles S of Exit 671 to Pepperwood 76 Comment
  HSC15632  Scoliopus bigelovii F. B. Plett 1963-4-24 30 Humboldt 1.5 mi. N of Trinidad along Old Hwy. 101 Comment
  UC175805  Scoliopus bigelovii Joseph P. Tracy 1913-3-9 4017 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC15634  Scoliopus bigelovii Curt M. Johnson 1966-2-27 108 Humboldt 6 mi. S of Pepperwood, Ave. of the Giants 152 Comment
  SEINET12050518  Scoliopus bigelovii F. H. Utech 1988-1 88 -024 Humboldt 1.5 mi WNW of Weott on Ave of the Giants (alt US 101), W.D. & W.H. Clark Redwood Grove 40 Comment
  UC1125709  Scrophularia californica H. L. Person 1932-7-16 Humboldt Hwy n of Trinidad; Rock Point Quadrangle Comment
Read comments
Aug 3 2007
  SD92951  Scrophularia californica Walter Bertsch 1953-7-30 231 Humboldt Redwood forest near Arcata on highway 101 Comment
  CHSC68503  Scrophularia californica subsp. californica Vernon H. Oswald 1997-4-10 8318 Humboldt Road paralleling Hwy. 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  JEPS62919  Scutellaria antirrhinoides W. L. Jepson 1902-7-1 1969 Humboldt near Berrys Ranch (Redwood Creek, Expedition from Ukiah to the Hupa Indian Reservation); Redwood Creek Comment
  POM126381  Scutellaria antirrhinoides P. E. Goddard 1907-6-16 b. 127 Humboldt Van Duzen Comment
  UC1713599  Scutellaria antirrhinoides Joseph P. Tracy 1938-6-9 15875 Humboldt near Blocksburg (2 mi s of town) 304 Comment
  UC25790  Scutellaria antirrhinoides Chesnut and Drew July 1888 Humboldt Campbells Comment
  UC577340  Scutellaria californica Joseph P. Tracy 1937-7-11 15423 Humboldt vicinity of Garberville 121 Comment
  UC1239701  Scutellaria californica Joseph P. Tracy 1942-7-1 17363 Humboldt opposite Buck Mountain (along the Van Duzen River, Dinsmore's); Van Duzen River, Dinsmore's 762 Comment
  UC1488732  Sedum laxum Gail Newton 1980-7-15 1549 Humboldt near Sims Mountain; Pilot Creek Quad., near Sims Mountain 430 Comment
  UC1488733  Sedum laxum Marc Baker 1980-7-15 2941 Humboldt near Whiting Ridge; Pilot Creek Quad., near Whiting Ridge 300 Comment
  HSC41479  Sedum laxum subsp. heckneri M. A. Baker 1977-6-13 383 Humboldt 4 mi. S of new confluence of the Klamath River and Bluff Creek Comment
  HSC57880  Sedum obtusatum subsp. retusum Overton, Butler 1979-7-31 11418 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC41297  Sedum obtusatum subsp. retusum Brad Klipfel 1974-7-27 496 Humboldt Horse Mtn. Comment
  JEPS48045  Sedum radiatum Joseph P. Tracy 1926-7-5 7726 Humboldt Valley of South Yager Creek Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  JEPS73714  Sedum spathulifolium L. R. Heckard with T. I. Chuang 1968-7-5 1988 Humboldt along Mail Ridge Road 4 1/2 mi n of its junction with the Harris Road (e of Garberville); e of Garberville Comment
  HSC65325  Sedum spathulifolium var. spathulifolium J. P. Smith 1973-5-26 6826 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC40631  Sedum spathulifolium var. spathulifolium M. A. Baker 1977-4-9 273 Humboldt 4 mi. N of Hoopah on Hwy. 96 91 Comment
  CHSC79631  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata, behind Humboldt State University, at base of stump near Fern Lake spillway. UTM zone 10, 4526N, 409E. 48 Comment
  HSC38491  Selaginella wallacei D. E. Anderson, J. P. Smith 1971-6-18 - 1097 Humboldt Horse Mtn. Comment
  UC1239800  Selaginella wallacei Joseph P. Tracy 1913-5-4 4062 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC128622  Senecio integerrimus var. major Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5368 Humboldt near Harris Comment
  UC1199235  Senecio sylvaticus Joseph P. Tracy 1934-8-31 13652 Humboldt along road through woods Kneeland Prairie Kneeland Prairie 762 Comment
  UCR37913  Senecio triangularis D. K. Imper 1982-7-23 1481 Humboldt near Onion Lake 1371 Comment
  UC249833  Senecio triangularis Joseph P. Tracy 1924-7-4 6702 Humboldt Snow Camp , Snow Camp (Northern Coast Ranges) 1371 Comment
  HSC67893  Senecio vulgaris J. P. Smith 1973-5-26 6840 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC6135  Senecio vulgaris S. R. Johnson 1965-4-16 42 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC49960  Sequoia sempervirens Maralyn O'Meara 1973-2-9 121 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  SEINET10719715  Sequoia sempervirens Ronald J. Mastrogiuseppe Mastrogiuseppe s.n. Humboldt On the flood plain of the Founders' Grove. Comment
  UC1222980  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1950-9-22 19378 Humboldt ca 3 mi sw of, along roadside Orleans Comment
  HSC19856  Sherardia arvensis F. B. Plett 1963-4-27 37 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  JEPS30462  Sherardia arvensis Lauramay T. Dempster 1963-7-8 3847 Humboldt 2.1 mi w Bridgeville (on road to Eureka, along Van Duzen River) 160 Comment
  HSC34944  Sherardia arvensis Scott M. Kruse 1975-4-6 1 Humboldt H.B.M. Graham Rd., Bayside 4 Comment
  UCD122007  Sherardia arvensis J. M. Tucker 1948-9-4 1861 Humboldt Beck's Ranch, Hydesville. Comment
  UC1121977  Sidalcea malachroides R. Stahelin 1933-5-15 19520 Humboldt T. P. L. Co. Eureka Quad. (Freshwater) Comment
  UC1222507  Sidalcea malachroides Joseph P. Tracy 1950-7-12 19034 Humboldt on the Butter Valley Road 2 mi e Cameron Hill Junction (near Kneeland); e of Cameron Hill Jct, near Kneeland Comment
  UC18692  Sidalcea malachroides J. Burtt Davy 1899-6-13 5482 Humboldt Englewood Prairie North Coast Ranges, Englewood Prairie Comment
  UC1197974  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1935-6-23 13978 Humboldt French Camp Ridge 1066 Comment
  RSA12518  Sidalcea malviflora subsp. asprella Carl B. Wolf 1934-7-3 5918 Humboldt 21 miles from Orick on Weitchpec Rd. common. 152 Comment
  UC176967  Sidalcea malviflora subsp. patula Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3597 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC902191  Sidalcea malviflora subsp. patula Harold E. Parks May 1949 Humboldt Bear River Ridge 609 Comment
  HSC104426  Sidalcea malviflora subsp. patula Bianca Hayashi 2013-6-13 Humboldt South of Bald Mountain Comment
  POM62156  Sidalcea oregana subsp. eximia Joseph P. Tracy 1917-9-1 4831 Humboldt Murphy Meadow, Bald Mountain 1067 Comment
  HSC71746  Silene M. A. Baker 1980-6-26 2430 Humboldt Near Sims Creek 610 Comment
  UC161017  Silene californica Joseph P. Tracy 1906-6-24 2502 Humboldt e Field's Landing (Humboldt Hill, region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  JEPS23253  Silene campanulata Joseph P. Tracy 1933-7-25 12871 Humboldt Grouse Mountain 1524 Comment
  HSC102130  Silene campanulata subsp. glandulosa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1034 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC82410  Silene campanulata subsp. glandulosa Thomas W. Nelson 1979-7-11 5019 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  POM160266  Silene campanulata subsp. glandulosa Joseph P. Tracy 1926-6-20 7623 Humboldt Horse Mountain. 1524 Comment
  RSA46893  Silene gallica Doris K. Kildale 1927-5-15 3166 Humboldt Cape Mendocino Comment
  CAS-BOT-BC389065  Silene laciniata subsp. californica Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  CAS-BOT-BC389055  Silene laciniata subsp. californica Carl B. Wolf 1927-8-27 1161 Humboldt On the Klamath River 11 miles above Weitchpec Comment
  UC1196380  Sisyrinchium bellum Joseph P. Tracy 1931-6-7 9572 Humboldt 2 mi n Trinidad 60 Comment
  UC667000 Image available Sisyrinchium hitchcockii Joseph P. Tracy 1938-6-17 15947 Humboldt 3 mi e of Cape Mendocino; Cape Ridge 304 Comment
  NY821311  Solanum laciniatum H. H. Smith 1911-6-17 3857 Humboldt Samoa Comment
  UC902078  Solanum umbelliferum Joseph P. Tracy 1949-5-8 18293 Humboldt 5 mi e (of town) Carlotta (by old Strong's District School House) 60 Comment
  CAS-BOT-BC365443  Solidago elongata W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  HSC99541  Solidago elongata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 206 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC365661  Solidago spathulata Greg de Nevers 2001-4-18 12255 Humboldt Lanphere-Christenson dunes, near Arcata 9 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
  LA204223  Solidago spathulata Carl Epling; Mrs. Epling 1935-8-15 sn Humboldt Arcata Spit Comment
  SJSU8442  Solidago spathulata H. T. Harvey 1977-7-5 596 Humboldt Elk R Spit, Humboldt Bay Comment
  HSC104046  Solidago spathulata M. F. Norman 2015-4-11 7 Humboldt Arcata, Ma-le'l Dunes Comment
  UCR122358  Solidago spathulata var. spathulata George K. Helmkamp, E. A. Helmkamp 2001-7-8 7023 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UC1223173  Soliva sessilis Joseph P. Tracy 1942-6-15 17157 Humboldt on the road to Harris 1/2 mi ne Garberville 304 Comment
  HSC98505  Sorbus scopulina Cara Witte 2008-7-25 935 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  HSC38406  Spartina densiflora J. P. Smith 1976-7-3 8938 Humboldt Manila, Samoa Peninsula Comment
  HSC4235  Spergula arvensis R. I. Bonn 1965-5-9 39 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC79185  Spergula arvensis L. P. Janeway 1984-2-4 710 Humboldt Along Bayside Rd. NW of Jacoby Creek School 18 Comment
  HSC79186  Spergula arvensis L. P. Janeway 1984-1-10 706 Humboldt HSU campus, N side of upper playing field 46 Comment
  RSA187158  Spergula arvensis John H. Thomas 1966-3-19 11488 Humboldt Southern end of Big Lagoon, just inland from the coast between Eureka and Crescent City. 0 Comment
  RSA85248  Spiraea douglasii F. W. Peirson 1923-7-11 3752 Humboldt 7 miles N of Arcata. Comment
  SEINET11919281  Spiraea douglasii H. P. Chandler 1901-1 1197 Humboldt Humboldt Bay Comment
  UC1196405  Spiranthes porrifolia Joseph P. Tracy 1942-6-15 17154 Humboldt Garberville 152 Comment
  HSC16658  Spiranthes romanzoffiana J. Wendell Howe 1934-7-20 1311 Humboldt Arcata Comment
  UC1239721  Stachys ajugoides var. rigida Joseph P. Tracy 1941-6-15 16912 Humboldt Wilder Ridge 762 Comment
  UC1602161  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-17 15954 Humboldt Cape Mendocino 152 Comment
  UC577326  Stachys ajugoides var. rigida Joseph P. Tracy 1937-8-12 15652 Humboldt Snow Camp 1402 Comment
  UC630494  Stachys ajugoides var. rigida H. E. and S. T. Parks 1937-7 24025 Humboldt Spruce Cove Trinidad 60 Comment
  UC726345  Stachys ajugoides var. rigida A. A. Heller 1923-7-8 13769 Humboldt near Pepperwood Comment
  UC1222862  Stachys ajugoides var. rigida Joseph P. Tracy 1950-6-8 18761 Humboldt near Petrolia (w slope of hill, leading from the coast toward town, hills between town and Ocean); Domingo Hill Comment
  UCLA70845  Stachys ajugoides var. rigida C. Epling Aug 1933 Humboldt on Weaverville-Arcata Road Willow Creek Comment
  JEPS63025  Stachys chamissonis Milo S. Baker 1923-7-23 124 Humboldt near Ferndale; North Coast Comment
  HSC34274  Stachys rigida var. rigida K. Irwin 1975-8-13 Humboldt Grogans Hole area Comment
  HSC38476  Stachys rigida var. rigida Lon Hall 1975-6-20 392 Humboldt About 2 mi. N from Shelter Cove Rd. on Horse Mtn. Rd., along Bear Creek, from streamside up to unused dirt logging road above creek 488 Comment
  JEPS51121  Stellaria media Lincoln Constance 1934-5-31 754 Humboldt Bull Creek Flat South Fork Eel River, Bull Creek Region (along Bull Creek, from w boundary of park to Grasshopper Pk (Squaw Cr) rd, n side of creek) Comment
  UC1103548  Stellaria media Joseph P. Tracy 1913-6-14 4124 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC161055  Stellaria media Joseph P. Tracy 1907-5-20 2562 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC76433  Stenanthium occidentale Denis Kearns 1981-7-23 434 Humboldt Near Whiteys Peak. 1524 Comment
  CAS-BOT-BC375783  Stephanomeria virgata Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  POM174067  Stephanomeria virgata Joseph P. Tracy 1918-7-7 5039 Humboldt Garberville. 152 Comment
  UC1223172  Stephanomeria virgata subsp. pleurocarpa Joseph P. Tracy 1946-11-17 17666 Humboldt Eel River at mouth of Van Duzen River Eel River, Van Duzen River Comment
  HSC32338  Stipa lemmonii D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5643 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC32339  Stipa lemmonii D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5642 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC76545  Stipa lemmonii Denis Kearns 1981-7-22 316 Humboldt Near Whiteys Peak. 1487 Comment
  HSC39717  Stipa miliacea D. E. Anderson, J. P. Smith 1971-6-28 - 1261 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC58676  Stipa occidentalis var. californica Gilbert Muth 1979-8-1 12181 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  HSC65856  Streptanthus tortuosus Gail Newton 1980-6-28 687 Humboldt Near Mad River Butte. 1536 Comment
  UC184371  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1912-7-26 3843 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CDA25184  Streptanthus tortuosus var. tortuosus Kaylea Eickhoff, Cara M. Witte 2005-6-8 4 Humboldt Northwestern California; 1.7 miles south of Highway 299 on Titlow Hill Road. Comment
  HSC82543  Streptanthus tortuosus var. tortuosus Thomas W. Nelson 1979-7-11 5002 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC1585428  Symphoricarpos albus var. laevigatus R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 26 Humboldt sw of Hoopa (on Bair Rd, at Pine Ridge Summit); Pine Ridge Summit 970 Comment
  CHSC10151  Symphyotrichum chilense J. W. Johnson 1961-8-23 1048 Humboldt Arcata. Along the sides of the Lanphere County Road by Mad River Slough. Comment
  HSC36040  Symphyotrichum chilense Thomas W. Nelson 1975-9-24 2199 Humboldt Beside Indianola Rd., ca. 1/2 mi. E of its junction with Hwy. 101 Comment
  CAS-BOT-BC99006  Symphyotrichum eatonii Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  HSC99571  Symphyotrichum spathulatum var. spathulatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 236 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
  HSC21149  Synthyris reniformis G. N. Bos 1965-5-2 247 Humboldt 8 mi. E of Korbel on Bald Mtn. Rd. 793 Comment
  UCD124638  Synthyris reniformis K. Esau 1934-4-1 s.n. Humboldt Above Fort Seward. 457 Comment
  SEINET13750617  Synthyris reniformis J. P. Tracy 1906-4-15 2408 Humboldt Northern Coast Ranges, Bald Mt. near Korbel. 610 Comment
  UC582544  Synthyris reniformis Joseph P. Tracy 1927-5-30 8079 Humboldt vicinity of Garberville (along Redwood Creek); Redwood Creek 121 Comment
  UC1173660  Tanacetum balsamita Joseph P. Tracy 1939-9-15 16500 Humboldt Eureka Comment
  CAS-BOT-BC376734  Tanacetum bipinnatum David D. Keck; J. Clausen 1935-6-16 3388 Humboldt Mouth of Little River Comment
  CAS-BOT-BC376735  Tanacetum bipinnatum J. P. Tracy 1909-7-18 3020 Humboldt Hills of Ocean Beach at Samoa, opp. Eureka Comment
  HSC6252  Tanacetum bipinnatum D. B. Bader 1963-5-1 2 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101, along R.R. tracks Comment
  CAS-BOT-BC376721  Tanacetum bipinnatum Paul F. Covel 1937-7-13 1056 Humboldt Bar near mouth Eel River Comment
  UC127603  Tanacetum camphoratum J. Burtt Davy 1899-6-30 6183 Humboldt near Ferndale (North Coast Ranges); North Coast Ranges Comment
  UC166081  Tanacetum camphoratum J. P. Tracy 1909-7-18 3020 Humboldt opposite Eureka (ocean beach at Samoa); Samoa Comment
  CAS-BOT-BC376833  Tanacetum vulgare Carl B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, So. side along Redwood Highway 6 Comment
  JEPS36856  Taraxacum officinale Lincoln Constance 1934-6-12 864 Humboldt Bull Creek road and n bank of South Fork Eel River, Dyerville South Fork Eel River, Bull Creek Region, Dyerville Comment
  UC1197329  Tauschia kelloggii Joseph P. Tracy 1929-7-4 8632 Humboldt French Camp Ridge 1066 Comment
  BLMAR282  Tellima grandiflora Jennifer Anthony-Wheeler 1999-5-28 282 Humboldt King range, growing along prosper ridge of the strawberry rock grazing allotment 304 Comment
  UC1225746  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1948-6-13 18037 Humboldt 7 mi nw Blocksburg; Larrabee Creek 304 Comment
  UC667955  Thelypteris nevadensis Joseph P. Tracy 1937-7-25 15556 Humboldt ne of Hawkins Bar (Happy Camp Mt.); Trinity Summit Range 1280 Comment
  UC10967  Thlaspi montanum var. montanum Harley P. Chandler June, 1901 1377 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 182 Comment
  UC1198811  Thlaspi montanum var. montanum Joseph P. Tracy 1939-4-29 16234 Humboldt near Weitchpec (along Trinity River); , near Weitchpec 121 Comment
  LA31711  Thuja plicata C. B. Wolf; 1930-10-25 1764 Humboldt 1 mi. above Blue Lakes on road to Willow Creek (Lord Ellis Road) 243 Comment
  NY17208  Thuja plicata L. S. Rose 1926-6-26 66039 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG34242  Thuja plicata L. Rowntree 1931-7-27 Humboldt near Ferndale Comment
  SBBG34243  Thuja plicata M. Van Rensselaer 1938-3-31 Humboldt Humboldt County [no specific locality] Comment
  UC1198819  Thysanocarpus curvipes Joseph P. Tracy 1933-5-18 12188 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  HSC45087  Thysanocarpus curvipes R. Sutherland 1978-4-23 28 .23478 Humboldt 640 Comment
  RSA246667  Tiarella trifoliata var. unifoliata R. F. Thorne, Percy C. Everett 1965-8-5 35140 Humboldt Mt. Chamisal; Below summit. 534 Comment
  UC1409074  Tiarella trifoliata var. unifoliata Robert F. Thorne and P. Everett 1965-8-5 35140 Humboldt below summit Mt. Chamisal Mt. Chamisal; , below summit 533 Comment
  UC1197833  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1934-8-29 13628 Humboldt at McKay Camp South Fork Mountain 1676 Comment
  HSC38208  Tolmiea diplomenziesii Thomas W. Nelson, J. P. Smith 1976-4-25 2382 Humboldt Brazil Ranch E of Hwy. 101 near College of the Redwoods Comment
  HSC55632  Tolmiea diplomenziesii Overton, Butler 1979-7-24 9634 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC1198893  Tolmiea diplomenziesii Joseph P. Tracy Jul 16 1930-Jul 19 1930 9091 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges 1676 Comment
  CAS-BOT-BC447610  Tolmiea menziesii Harley P. Chandler 1901-5-1 1268 Humboldt Redwood Belt 457 Comment
  RSA41966  Tolmiea menziesii H. C. Cantelow 1935-6-13 1095 Humboldt East of Arcata. Road to Weaverville. Comment
  BLMAR634  Tonella tenella Jennifer Wheeler 2011-6-15 634 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  UC1197064  Torilis arvensis subsp. arvensis Mrs. Archie Cathey 1938-7-30 Humboldt Miranda Cathey Ranch 152 Comment
  JEPS63933  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  UC275291  Toxicodendron diversilobum Joseph P. Tracy 1924-9-7 6863 Humboldt Blue Slide on Van Duzen River Northern Coast Ranges 60 Comment
  UC902124  Toxicodendron diversilobum Joseph P. Tracy 1949-8-8 18404 Humboldt Trinity R. Valley at Willow Creek Trinity R. Valley, Willow Creek 152 Comment
  JEPS5769  Trautvetteria caroliniensis var. occidentalis Joseph P. Tracy 1937-7-25 15564 Humboldt ne of Hawkins Bar (in Trinity Summit Range, Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC517422  Triantha occidentalis subsp. occidentalis L. B. Kildale 1930-8-10 10528 Humboldt Snow Camp, head of Redwood Creek Comment
  UC577370  Trichostema lanceolatum Joseph P. Tracy 1934-8-19 13595 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS63170  Trichostema oblongum Joseph P. Tracy 1927-8-7 8327 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC577372  Trichostema oblongum Joseph P. Tracy 1927-8-27 8327 Humboldt Willow Creek Trinity River Valley 152 Comment
  SEINET11114303  Trientalis borealis subsp. latifolia Unknown 1966-6-8 2657 Humboldt HUMBOLDT CO.: Coast Range, east of Arcata, 1.5 miles south of Korbel. T.6N., R.2 E. Elevation 900 ft. 274 Comment
  HSC70781  Trientalis latifolia Gail Newton 1980-7-14 1515 Humboldt Near Deadman Ridge 1097 Comment
  HSC73378  Trientalis latifolia Doug Renwick 1981-4-24 11 Humboldt Jolly Giant Creek behind HSU Comment
  UC16600  Trifolium albopurpureum var. albopurpureum Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5374 Humboldt Harris Comment
  UC1223383  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1933-5-20 12245 Humboldt in valley along river Petrolia; Northern Coast Ranges, Mattole Valley Comment
  UC1223393  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1948-5-31 17989 Humboldt near Harris (West side of top of Spruce Grove Ridge) 762 Comment
  UC302174  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1923-5-23 6260 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  CDA4307  Trifolium angustifolium J. R. Keck Jr., W. Simas 1973-5-3 Humboldt Bear River Road, between Cook & Morrison. 0 Comment
  UC1103432  Trifolium barbigerum Joseph P. Tracy 1932-5-10 9964 Humboldt near Petrolia (Mattole); North Caost Ranges 15 Comment
  UC1223509  Trifolium barbigerum Joseph P. Tracy 1936-6-9 14883 Humboldt Bear River Ridge 609 Comment
  UC1223516  Trifolium barbigerum Joseph P. Tracy 1933-5-20 12240 Humboldt Petrolia Mattole Valley Comment
  UC16424  Trifolium barbigerum Harley P. Chandler May, 1901 1102 Humboldt Humboldt Bay; North Coast Ranges Comment
  UC1223494  Trifolium ciliolatum Joseph P. Tracy 1942-5-16 17334 Humboldt vicinity Garberville 152 Comment
  UC1197204  Trifolium ciliolatum Joseph P. Tracy 1911-7-11 3510 Humboldt Hoopa Valley Northern Coast Ranges 152 Comment
  POM127032  Trifolium cyathiferum Chesnut, E. R. Drew 1888-8-2 s.n. Humboldt Grouse Creek 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
  RSA43868  Trifolium dubium H. M. Pollard 1948-7-18 s.n. Humboldt Banks of Klamath River, Orleans. Comment
  HSC58555  Trifolium eriocephalum Overton, Butler 1979-7-26 10042 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  JEPS65891  Trifolium fucatum Joseph P. Tracy 1923-5-13 6203 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC495645  Trifolium gracilentum Joseph P. Tracy 1932-4-24 9810 Humboldt betw Miranda and Redway (South Fork of Eel River); Northern Coast Ranges 91 Comment
  HSC45169  Trifolium hirtum R. Sutherland 1978-5-13 1 .13578 Humboldt 285 Comment
  RSA168895  Trifolium howellii Joseph P. Tracy 1934-7-18 13449 Humboldt Grouse Mountain; top of mountain Comment
  HSC98896  Trifolium longipes subsp. shastense Cara Witte 2008-6-11 706 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. 1438 Comment
  CHSC35554  Trifolium microcephalum James P. Smith 1973-5-26 6870 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC71451  Trifolium microcephalum J. P. Smith 1973-5-26 6870 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  CHSC52933  Trifolium microdon L. P. Janeway 1984-5-16 786 Humboldt On the North Spit of Humboldt Bay; on the west side of Samoa Rd ca. 1/4 mile north of the boat ramp. 3 Comment
  UC495697  Trifolium microdon Joseph P. Tracy 1927-6-18 8184 Humboldt between Petriola and the ocean hills; Northern Coast Ranges 152 Comment
  HSC25987  Trifolium obtusiflorum Thomas W. Nelson 1970-9-3 219 Humboldt Mad River. Comment
  RSA273375  Trifolium oreganum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2711 Humboldt Along old trail from lookout to Blocksburg 1555 Comment
  SEINET12170512  Trifolium pratense C. S. Kaut 2000-1 1 Humboldt Trinidad Comment
  HSC45113  Trifolium repens R. Sutherland 1978-5-17 1 .17578 Humboldt 305 Comment
  SEINET12156857  Trifolium variegatum L. K. Henry 1971-1 s.n. Humboldt along Rt 36, 2 mi E of Dinsmor in Six Rivers Nat'l Forest Comment
  UC1223529  Trifolium variegatum var. variegatum Joseph P. Tracy 1937-6-20 15336 Humboldt 10 mi upstream mouth of Bear River 152 Comment
  UC495676  Trifolium variegatum var. variegatum Joseph P. Tracy 1929-5-5 8570 Humboldt along South Fork Eel River (Miranda); Northern Coast Ranges 121 Comment
  UC1223541  Trifolium variegatum var. variegatum Joseph P. Tracy 1933-5-20 12253 Humboldt near Petrolia (hills betw town and Ocean) Comment
  UC1223311  Trifolium willdenovii Joseph P. Tracy 1934-4-8 13170 Humboldt betw Miranda and Redway South Fork of Eel River Comment
  UC1197511  Trifolium willdenovii Joseph P. Tracy 1932-5-17 10092 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1197535  Trifolium willdenovii J. P. Tracy 1901-4-24 1038 Humboldt Eureka vicinity 0 Comment
  UC1223521  Trifolium wormskioldii Joseph P. Tracy 1938-7-12 16052 Humboldt w end of Table Bluff Comment
  UC495675  Trifolium wormskioldii Joseph P. Tracy 1927-7-17 8281 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mtn 457 Comment
  SEINET10577442  Trifolium wormskioldii var. wormskioldii Joseph P. Tracy 1911-6-25 Tracy 3246 Humboldt At Eureka 0 Comment
  JEPS32135  Triglochin maritima Joseph P. Tracy 1933-8-22 12988 Humboldt mouth Eel River; mouth of Eel River 3 Comment
  RSA249527  Triglochin maritima Robert F. Thorne, Percy C. Everett 1965-8-7 35214 Humboldt Samoa Peninsula: near sea level Comment
  UC1100176  Triglochin maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1172 Humboldt salt marshes around Fields Landing Comment
  UC1409179  Triglochin maritima Robert F. Thorne and P. Everett 1965-8-7 35214 Humboldt Samoa Penisula 0 Comment
  UC175282  Trillium albidum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3616 Humboldt near Hydesville Hydesville; Northern Coast Region 30 Comment
  HSC96784  Trillium albidum M. Mesler 2006-5-24 601 Humboldt Coldsprings Camp, 7.4 mi. SE of Hwy. 299 on Titlow Hill Rd. 1402 Comment
  CAS-BOT-BC133396  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  CAS-BOT-BC133397  Trillium ovatum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CHSC2320  Trillium ovatum 1933-4-15 Humboldt Comment
  HSC24377  Trillium ovatum J. O. Sawyer 1970-6-24 2278 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC70327  Trillium ovatum M. A. Baker 1980-6-8 1882 Humboldt Near Buck Flat. 1554 Comment
  UC1197817  Trillium ovatum Joseph P. Tracy 1932-7-16 10632 Humboldt woods near Corral Prairie Corral Prairie; Trinity Summit 1584 Comment
  UC1541274  Trillium ovatum Harold E. Parks 1933-1 Humboldt Trinidad, Spruce Cove Comment
  RSA249440  Trillium ovatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5608 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  HSC24053  Trillium ovatum subsp. oettingeri J. O. Sawyer 1971-6-16 2387 Humboldt Lipps Camp 1433 Comment
  HSC99354  Trillium ovatum subsp. oettingeri K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-21 3 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC521313  Trillium rivale Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1524 Comment
  CAS-BOT-BC521318  Trillium rivale L. R. Abrams 1918-6-15 7127 Humboldt Brannan Mt near Willow Creek 1371 Comment
  RSA135459  Triodanis biflora Volney Rattan 1883-6-30 s.n. Humboldt Redwood Creek. Comment
  SEINET10459885  Triodanis perfoliata Rattan 1883-6-30 RATTAN s.n. Humboldt REDWOOD CREEK Comment
  UC1222434  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1927-5-8 7984 Humboldt vicinity Garberville; vicinity of Garberville 121 Comment
  HSC20851  Triphysaria eriantha subsp. eriantha R. T. Forester 1963-3-2 26 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  JEPS26219  Triphysaria eriantha subsp. eriantha J. P. Tracy 1911-5-30 3207 Humboldt at Eureka Bucksport (Bucksport); Northern Coast Region, Eureka 0 Comment
  HSC20903  Triphysaria pusilla F. B. Plett 1963-5-11 44 Humboldt 1.5 mi. N of Trinidad on old Hwy. 101 Comment
  UC582572  Triphysaria pusilla Joseph P. Tracy 1931-4-26 9337 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC104272  Triphysaria versicolor subsp. versicolor Samantha E. Andres 2016-5-4 6 Humboldt Along Jackson Ranch Rd., near the bridge; ~.25 mi. from Hwy. 255 intersection 3 Comment
  CAS-BOT-BC199629  Trisetum canescens David D. Keck 1948-7-2 6006 Humboldt E. side of Rock Ridge, E. of Berry's Summit, 4.1 miles W. of Willow Creek. Near Boundary of Six Rivers Nat'l Forest 457 Comment
  UC1056012  Trisetum canescens W. L. Colwell 1954-10-12 10 Humboldt 4 mi ne Blocksburg 1127 Comment
  UC1133275  Trisetum canescens H. S. Yates 1936-6-17 5704 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad. 792 Comment
  UC212883  Trisetum cernuum Joseph P. Tracy 1920-5-30 5335 Humboldt Eureka; Northern Coast Ranges 60 Comment
  CAS-BOT-BC519141  Triteleia hyacinthina Tom Craig 1941-7-2 s.n. Humboldt Near Yager Comment
  HSC68611  Triteleia laxa Jacqueline Greenleaf 1980-7-16 240 Humboldt Near Buck Mountain. 1250 Comment
  CAS-BOT-BC526356  Triteleia laxa Doris K. Kildale 1925-6-28 791 Humboldt Kneeland Prairie, bald hills 762 Comment
  CAS-BOT-BC526357  Triteleia laxa L. R. Abrams 1918-6-14 7089 Humboldt Korbel to Three Creeks near March's ranch Comment
  HSC26871  Triteleia laxa Clifton Raymond Chesbrough 1973-6-19 95 Humboldt 0.5 mi. N of College Cove along coast Comment
  UC30074  Triteleia laxa P. E. Goddard 1901-8-6 190 Humboldt Regna Comment
  CAS-BOT-BC85851  Tsuga heterophylla P. C. Everett; E. K. Balls 1959-10-25 23963 Humboldt 22 mi. W. from Willow Creek along U.S. Hwy. 299 to Arcata 579 Comment
  HSC49358  Tsuga heterophylla Thomas W. Nelson, Jane P. Nelson 1979-9-10 5065 Humboldt Old logging rd. S of Lundbar Hills section of Eureka 49 Comment
  OBI33131  Tsuga heterophylla David J. Keil 1983-7-2 17305 Humboldt Freeway exit from US 101 at Patrick's Point Comment
  UC162948  Tsuga heterophylla Joseph P. Tracy 1911-6-4 3233 Humboldt along Little River Northern Coast Region, Little River (5 mi from the coast) 121 Comment
  JEPS65676  Ulex europaeus Joseph P. Tracy 1923-11-24 6594 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC303180  Ulex europaeus Joseph P. Tracy 1923-11-24 6594 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  HSC95838  Umbellularia californica Kevin Thomas 2004-4-26 13 Humboldt Lord Ellis Summit along Titlow Hill Rd., rd. turnout Comment
  POM160273  Urtica dioica subsp. gracilis Joseph P. Tracy 1926-5-25 7516 Humboldt Around Humboldt Bay. Elk River Valley. 30 Comment
  UC1225782  Urtica urens Joseph P. Tracy 1944-6-10 17476 Humboldt Eureka 30 Comment
  HSC49505  Utricularia macrorhiza R. York 1979-4-13 225 Humboldt Behind grammar school in Fieldbrook. Comment
  CAS-BOT-BC193963  Vaccinium cespitosum Doris Kildale 1931-5-10 10581 Humboldt Snow Camp Comment
  HSC102021  Vaccinium cespitosum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 922 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC902048  Vaccinium ovatum Joseph P. Tracy 1948-10-24 18257 Humboldt near Fruitland 304 Comment
  UC902049  Vaccinium ovatum Joseph P. Tracy 1949-6-20 18323 Humboldt near Boynton Prairie 609 Comment
  UCR178913  Vaccinium ovatum R. G. Swinney 1968-4-13 242 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  CAS-BOT-BC199407  Vaccinium parvifolium Alice Eastwood 1907-4-22 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC199422  Vaccinium parvifolium Elmer I. Applegate 1923-9-12 3993 Humboldt Above Trinidad Comment
  HSC7925  Vaccinium parvifolium J. Pursell 1964-10-18 10181 Humboldt Hwy. 299, 15 mi. N of Blue Lake Comment
  RSA50145  Vaccinium parvifolium E. K. Balls 1949-7-11 13973 Humboldt 35 miles west of Willow Creek on Hwy 299 to Arcata. 152 Comment
  UC1197764  Vaccinium parvifolium Joseph P. Tracy 1933-7-11 12672 Humboldt Horse Mountain 1432 Comment
  UC213146  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1919-9-18 5246 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1524 Comment
  SEINET12318510  Vahlodea atropurpurea K. S. Erdman 1970-1 4819 Humboldt Redwood National Park, summit of Gold Bluffs on park road about 2 mi W of US 101 at Berry Glen Comment
  CAS-BOT-BC76054  Vancouveria hexandra L. R. Abrams 1916-7-11 5983 Humboldt Between Blocksberg and Bridgeville. Comment
  HSC100399  Vancouveria hexandra Carl C. Marshall May 1886 53 Humboldt Woods. Comment
  HSC33018  Vancouveria hexandra J. D. Ackerman, A. M. Montalvo 1973-7-5 98 Humboldt 1 mi. W of Tish a Tang Creek on Grogan Hill Rd., E of Hoopa 1524 Comment
  HSC37713  Vancouveria hexandra J. D. Ackerman, A. M. Montalvo 1974-7-17 373 Humboldt Van Duzen Co. Park, off Hwy. 36, 6 mi. E of Carlotta 61 Comment
  HSC96678  Vancouveria hexandra Kristina Folland 2001-5-6 22 Humboldt Top of Fickle Hill Rd. Comment
  UC1541238  Vancouveria hexandra Harold E. Parks May 1933 4288 Humboldt near Trinidad; near Trinidad Comment
  UC1126306  Vancouveria planipetala A. E. Wieslander 1931-5-19 207 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  SEINET12094715  Vancouveria planipetala F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -281 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  HSC102701  Ventenata dubia J. P. Smith 2013-6-16 13729 Humboldt Along State Route 36, just west of the 33.68 highway sign (milepost). 758 Comment
  CDA30687  Verbascum virgatum M. K. Beyers, I. Shepardson 2009-9-13 247 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
  HSC27420  Verbena lasiostachys Thomas W. Nelson 1970-9-3 213 Humboldt Mad River. Comment
  CDA30190  Veronica americana M. K. Beyers, I. Shepardson 2009-9-13 241 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  HSC55630  Veronica americana Walter Overton, Marvin Butler 1979-7-24 9628 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC100685  Veronica americana Carl C. Marshall May 1885 118 Humboldt Along brooks, ditches etc. Comment
  RSA245256  Veronica scutellata John R. Keith 1973-5-15 s.n. Humboldt Approximately 200 yards east of jct of Guintoli Ln. and West End Road. Comment
  HSC99632  Veronica serpyllifolia subsp. humifusa G. L. Clifton, Terry Griswold 1979-7-25 10866 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC709401  Vicia americana var. americana Joseph P. Tracy 1939-7-9 16333 Humboldt Snow Camp 1402 Comment
  RSA168914  Vicia americana var. americana Joseph P. Tracy 1946-6-15 17569 Humboldt Green Point, west of Redwood Creek on Trinity Highway. 457 Comment
  UC1197464  Vicia americana var. americana Joseph P. Tracy 1913-7-20 4372 Humboldt slopes between Three Creeks and top of Berry Mountain; Northern Coast Ranges 1066 Comment
  HSC100542  Vicia americana var. truncata Carl C. Marshall Apr 1884 47 Humboldt Thickets and roadsides throughout Humboldt Bay. Comment
  HSC15268  Vicia gigantea S. J. Hawks 1965-5-18 75 Humboldt Clam Beach. Comment
  HSC15269  Vicia gigantea C. O. Baker 1962-5-7 33 Humboldt 2 mi. S of Trinidad along Hwy. 101 15 Comment
  SBBG52994  Vicia sativa subsp. nigra J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  HSC23675  Vicia sativa subsp. nigra Tim Baroni 1971-6-25 49 Humboldt Comment
  HSC31808  Vicia sativa subsp. sativa Donald Spalinger 1974-4-25 22 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  RSA170273  Vicia tetrasperma Joseph P. Tracy 1916-5-16 4688 Humboldt Stitz Creek. Along Eel River from South Fork to Scotia. 61 Comment
  HSC3229  Vinca major N. R. Waite 1965-5-18 35 Humboldt Along Hwy. 101, W of Humboldt State College campus. Comment
  HSC21775  Viola adunca Richard Spjut 1968-10-26 205 Humboldt Near boat launching area at Big Lagoon Comment
  UC668253  Viola adunca Joseph P. Tracy 1938-6-13 15913 Humboldt Grouse Mountain at Cold Springs; Grouse Mountain 1432 Comment
  POM98595  Viola adunca F. W. Peirson 1926-7-12 7028 Humboldt Coast Range, back of Orick. 1067 Comment
  HSC73697  Viola bakeri M. A. Baker 1980-7-19 2998 Humboldt Near Bret Hole. 1814 Comment
  RSA0006436  Viola californica Milo S. Baker 1946-6-14 11492 Humboldt South Fork Mt., at Miller Spring. 1524 Comment
  HSC100695  Viola canina Carl C. Marshall Apr 1886 169 Humboldt Everywhere. Comment
  HSC55596  Viola cuneata Overton, Butler 1979-7-23 9407 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC44358  Viola glabella Brad Klipfel 1974-5-27 398 Humboldt Horse Mtn. Comment
  JEPS80006  Viola glabella Joseph P. Tracy 1932-7-17 10682 Humboldt head of Brett Hole (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  UC19284  Viola glabella Harley P. Chandler June, 1901 1285 Humboldt Hupa Indian Reservation; North Coast Ranges 1097 Comment
  HSC26335  Viola glabella Thomas W. Nelson 1971-3-30 363 Humboldt Beside Howe Creek Comment
  CHSC97987  Viola hallii J. Breton; A. Livingston 2005-6-10 9 Humboldt Coldspring Camp, 7.4 mi. south of Hwy 299 on NF1. 1357 Comment
  HSC32842  Viola ocellata Thomas W. Nelson, James Nelson 1973-5-28 946 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC45620  Viola ocellata Diane L. Reed 1978-4-22 31 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC70321  Viola ocellata M. A. Baker 1980-6-7 1872 Humboldt Near Ammon Creek 732 Comment
  JEPS50373  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1930-6-8 8730 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC104092  Viola sempervirens Monica Rodriguez, William A. Worley 2015-2-21 6 Humboldt Rock Creek Ranch; 8.2 mi. along South Fork Rd. from Redwood Highway 199. 134 Comment
  UC709441  Viola sempervirens Joseph P. Tracy 1941-4-8 16854 Humboldt head of Willow Creek ( Willow Creek Canyon, along Trinity Highway); Willow Creek Canyon, Willow Creek 762 Comment
  CAS-BOT-BC203050  Vitis californica L. R. Abrams 1918-6-16 7151 Humboldt Willow Creek Comment
  SEINET3132612  Vulpia microstachys var. microstachys D. E. Anderson, JO Sawyer, JP Smith Jr. 1970-5-10 5056 Humboldt Along road from Redwood Creek to Hoopa, ca. 1-3 mi. W of Hoopa Comment
  CAS-BOT-BC128816  Whipplea modesta Doris K. Kildale 1928-5-19 5187 Humboldt Chalk Mountain Comment
  CHSC63409  Whipplea modesta Vernon H. Oswald 1994-6-29 6365 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 7.3 mi N of Titlow Hill Rd., 0.8 mi S of Brush Mtn. Lookout Rd., S of Hwy. 299 and Willow Creek. Common groundcover on shaded forest edge. 975 Comment
  HSC70379  Whipplea modesta M. A. Baker 1980-6-7 1796 Humboldt Near Brush Mtn. 287 Comment
  OBI36661  Whipplea modesta David J. Keil 1983-7-2 17322 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit Rd Comment
  SDSU19191  Whipplea modesta Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3013 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.75 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 978 Comment
  JEPS60113  Woodwardia fimbriata W. L. Jepson 1936-8-15 17903 Humboldt Grizzly Creek, Van Duzen River Grizzly Creek; Van Duzen River Comment
  HSC63840  Wyethia angustifolia M. A. Baker 1979-6-26 908 Humboldt S facing ridge Comment
  CAS-BOT-BC382928  Wyethia angustifolia Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans Comment
  UC582637  Wyethia angustifolia Joseph P. Tracy 1936-6-17 14947 Humboldt grassy slopes on nw foothills of lower slopes Buck Mountain 762 Comment
  UCD137002  Wyethia longicaulis Gordon Leppig 1998-6-1 872 Humboldt Horse Mountain. Buck Flat, Titlow Hill Rd. At Ammon Ridge Rd. 1524 Comment
  HSC37690  Xanthium strumarium R. Sutherland 1976-8-13 31 .13876 Humboldt In mouth of Redwood Creek at South Fork of Eel River. 88 Comment
  HSC98358  Xerophyllum tenax T. Jimerson, J. Pageau 1979-6-12 525 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  SEINET3356277 Image available Xerophyllum tenax Joseph P. Tracy 1937-8-15 15665 Humboldt French Camp Comment
  CAS-BOT-BC527072  Xerophyllum tenax B. H. Mace; Frank Graham 1922-10-1 38737 Humboldt Brannan Mt., Trinity Forest Comment
  HSC8423  Zeltnera muehlenbergii D. E. Anderson 1961-7-14 1757 Humboldt N-facing slope Comment
  UC302170  Zigadenus micranthus var. micranthus Joseph P. Tracy 1925-5-30 7041 Humboldt at summit leading to Laribee Valley; Northern Coast Ranges, McClellan Mountain 822 Comment



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