Search Results — 2000 specimen records retrieved (1393 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=HUMBOLDT; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI36537  Abies concolor David J. Keil 1983-7-2 17317 Humboldt Ca. 4 mi SE ofSR 299 along Titlow Hill rd below Horse Mt summit rd Comment
  SEINET200991  Abies concolor Joseph P. Tracy 1927-6-12 8144 Humboldt Horse Mountain 1524 Comment
  HSC67579  Abronia latifolia J. P. Smith 1971-10-6 4946 Humboldt End of Murray Rd. in McKinleyville. Comment
  SD41412  Abronia latifolia Edith A. Purer 1932-7-27 4154 Humboldt Near Samoa Comment
  UCR32087  Abronia latifolia David J. Keil 1983-7-1 17287 Humboldt Pacific Coast, c. 5 mi. west of Petrolia along Mattole Road 225 Comment
  HSC16130  Abronia latifolia I. L. Wiggins 1932-7-19 5888 Humboldt Near Clam Beach, 8 mi. N of Arcata Comment
  CAS-BOT-BC233800  Abronia umbellata H. E. Parks 1941-9-1 24212 Humboldt Mouth of Little River Comment
  CAS-BOT-BC330607  Acer glabrum var. glabrum Joseph P. Tracy 1949-8-26 18530 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1371 Comment
  HSC57655  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-25 10828 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC58007  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-31 11795 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC2815  Acer macrophyllum J. Sandborg, F. Sandborg May 1968 2 Humboldt Bluff Creek near Notice Creek, above Notice Creek 793 Comment
Read comments
Nov 1 2013
  HSC98573  Acer macrophyllum C. Witte 2007-5-17 31 Humboldt National Forest Road 5N10. 1/2 mile east of intersection with National Forest 1. 1441 Comment
  OBI36632  Acer macrophyllum David J. Keil 1983-7-2 17307 Humboldt Ca. 10.5 mi E of jctn with US 101 along SR 299 Comment
  SEINET3098689 Image available Acer macrophyllum Joseph P. Tracy 1914-6-7 4493 Humboldt REgion about Humboldt Bay; valley of North Fork of Elk River. 0 Comment
  HSC4562  Achillea millefolium Lincoln Constance 1934-5-29 716 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC73474  Achillea millefolium Gail Newton 1980-7-11 1312 Humboldt Near Red Mtn. 1341 Comment
  HSC73777  Achillea millefolium M. A. Baker 1980-6-7 1770 Humboldt Near Brush Mtn. 1128 Comment
  HSC95116  Achillea millefolium Andrea Pickart 2002-7-3 153 Humboldt Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 24 Comment
  UC854590  Achlys californica Elizabeth Parsons Hawver June 1915 Humboldt Carlotta Comment
  HSC3333  Achlys triphylla D. E. Anderson 1965-5-15 3686 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  HSC58217  Achlys triphylla Walter Overton 1979-8-1 12355 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC99382  Achlys triphylla subsp. triphylla K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 31 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS52979  Achlys triphylla subsp. triphylla W. L. Jepson 1932-7-26 16421 Humboldt Bull Creek Comment
  CAS-BOT-BC210652  Achnatherum lemmonii Joseph P. Tracy 1933-5-20 12247 Humboldt Mattole Valley 152 Comment
  SEINET201040 Image available Achnatherum lemmonii J. P. Tracy 1913-5-4 4047 Humboldt Kneeland Prairie 762 Comment
  UCD50676  Achnatherum lemmonii A. H. Murphy 1947-6-24 s.n. Humboldt Horse Mtn., s.e. of Berry's Summit (US Hwy. 299) east of Blue Lake, Humboldt County, California. Comment
  UC668212  Achyrachaena mollis Joseph P. Tracy 1938-6-9 15889 Humboldt 2 mi w on top of ridge Harris 914 Comment
  HSC32835  Acmispon denticulatus Thomas W. Nelson, James Nelson 1973-5-28 949 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC98303  Acmispon micranthus D. R. Junell 1965-5-2 41 Humboldt 1 mi. S of Fairhaven on Samoa Peninsula Comment
  BLMAR170  Acmispon parviflorus Donald Hazlett 1994-6-7 170 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  RSA168919  Aconitum columbianum Joseph P. Tracy 1950-7-31 19242 Humboldt NE side of top of Grouse Mtn Comment
  CAS-BOT-BC391409  Aconitum columbianum subsp. columbianum L. B. Kildale 1930-7-11 10205 Humboldt Snow Camp, head of Redwood Creek Comment
  HSC55866  Aconitum columbianum subsp. viviparum G. L. Clifton, Griswold 1979-7-25 10888 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC82405  Aconogonon davisiae Thomas W. Nelson 1979-7-11 5021 Humboldt N Trinity Mtn. and ridge to E, SE of Water Dog Lake 1829 Comment
  CAS-BOT-BC418768  Aconogonon phytolaccifolium Joseph P. Tracy 1933-7-26 12921 Humboldt Grouse Mountain 1524 Comment
  SEINET12094714  Actaea rubra F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -285 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  OBI1123  Adiantum X tracyi Lawrence L. Kiefer 1964-5-19 1406 Humboldt Garberville, California one mile north of town, ravine just above Highway 101 305 Comment
  CAS-BOT-BC62293  Adiantum aleuticum Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  JEPS35153  Adiantum aleuticum W. L. Jepson 1921-9-10 9461 Humboldt Garberville Comment
  CAS-BOT-BC65554  Adiantum capillus-veneris W. R. Dudley 1903-8-1 s.n. Humboldt Hot Springs (probably near Calif. Redwood Park) Comment
  RSA137319  Adiantum jordanii I. L. Wiggins 1957-6-21 14137 Humboldt Margin of grassy slide area on east side of road, 1 mile south of Garberville Comment
  SEINET181170 Image available Adiantum pedatum Bassett Maguire 1934-6-8 15048 Humboldt unspecified Comment
  HSC58167  Agastache urticifolia G. L. Clifton, Griswold 1979-8-2 12237 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC1173668  Ageratina occidentalis Joseph P. Tracy 1939-8-5 16388 Humboldt along Van Duzen River, opposite Black Mt.; Van Duzen River 737 Comment
  CAS-BOT-BC29624  Agoseris grandiflora var. grandiflora Doris Kildale 1927-7-3 3648 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC29627  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1936-6-17 14949 Humboldt Buck Mountain, lower foothills of its northwest slope 792 Comment
  UC1222937  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19024 Humboldt 3 mi s, sw slopes of Buck Mt Burr Valley; Buck Mountain 1066 Comment
  UC1222929  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19227 Humboldt 1 mi n, road crosses sides of the Friday Ridge Friday's Camp; Grouse Mountain Comment
  UC249842  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  UC1222768  Agoseris retrorsa Joseph P. Tracy 1950-7-9 19030 Humboldt at, 3 mi s of Burr Valley Sproston's Place 1066 Comment
  UCD92452  Agrostis Joseph P. Tracy 1936-6-10 14917 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  RSA152379  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt Trinidad 6 Comment
  UC1145067  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt clay bluff close to ocean shore Trinidad 3 Comment
  HSC76568  Agrostis exarata Teresa Prendusi 1981-7-24 495 Humboldt Near Whiteys Peak 1585 Comment
  POM247142  Agrostis exarata H. E. Parks 1935-06 5607 Humboldt Spruce Cove, Trinidad. Comment
  UC1103379  Agrostis exarata Joseph P. Tracy 1935-7-25 14232 Humboldt McKay Prairie Trinity Summit, McKay Prairie 1584 Comment
  UC1103383  Agrostis exarata Joseph P. Tracy 1936-6-28 15031 Humboldt borders of bog at Lake Prairie; Bald Mountain 1066 Comment
  UC181242  Agrostis exarata Joseph P. Tracy 1913-7-13 4359 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  SEINET200934  Agrostis gigantea Joseph P. Tracy 1902-7-4 1758 Humboldt Eureka 0 Comment
  HSC64165  Agrostis hallii J. O. Sawyer, K. A. Sawyer 1979-6-24 3409 Humboldt Slopes alongside Aikens Creek. 366 Comment
  HSC74861  Agrostis hallii Gail Newton 1981-8-5 2363 Humboldt Near Bug Creek, E Fork. 820 Comment
  CAS-BOT-BC138874  Agrostis microphylla Joseph P. Tracy 1935-5-25 13857 Humboldt Fort Seward. 106 Comment
  UCD53046  Agrostis microphylla Joseph P. Tracy 1938-7-11 16050 Humboldt near Samoa, on Humboldt Bay. 6 Comment
  CAS-BOT-BC139125  Agrostis oregonensis Doris K. Kildale 1925-8-17 1264 Humboldt Trinity Summit. 1917 Comment
  HSC8806  Agrostis oregonensis R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on Kneeland-Bridgeville Rd. 732 Comment
  HSC8810  Agrostis stolonifera C. B. Wolf 1927-8-27 1189 Humboldt Eureka Bay, on the road from Eureka to Arcata. Comment
  RSA313196  Agrostis stolonifera Malcolm A. Nobs, S. Galen Smith 1949-8-3 1168 Humboldt 1 mile south of Fields Landing, Eel River valley Comment
  UCD53535  Agrostis stolonifera R. Tofsrud 1948-9-1 s.n. Humboldt Salmon Creek Ranch, about 8 miles S. of Eureka. Comment
  UC526780  Agrostis thurberiana Joseph P. Tracy Jul 16 1930-Jul 19 1930 8989 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC65424  Aira caryophyllea J. P. Smith, J. O. Sawyer 1973-5-12 6683 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC8849  Aira caryophyllea Rudolf W. Becking 1961-7-3 Humboldt Korbel Kerr Ranch study plots Comment
  HSC8852  Aira caryophyllea True Hoyle 1967-9-9 27667 Humboldt 2 mi. NW of the junction of the Butler Valley and Fickle Hill roads 457 Comment
  UCD55761  Aira caryophyllea Linda M. Barker 1976-4-30 1411 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC138327  Aira caryophyllea var. caryophyllea A. A. Heller 1923-7-8 13765 Humboldt At a State redwood camp 10 miles south of Dyerville. Comment
  HSC40342  Aira praecox Linda M. Barker 1976-4-30 1411 Humboldt 3 mi. W of Arcata Comment
  UC1198195  Allium amplectens Joseph P. Tracy 1927-5-14 8004 Humboldt near South Fork; Trinity River Valley 182 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
  HSC32884  Allium bolanderi var. bolanderi Thomas W. Nelson, James Nelson 1973-5-28 936 Humboldt McKeown Ranch N of Dinsmore Comment
  RSA47172  Allium campanulatum Doris K. Kildale 1927-7-22 3815 Humboldt Lasseck s Peaks Comment
  HSC74089  Allium falcifolium Gail Newton 1980-6-28 679 Humboldt Near Mad River Butte 1536 Comment
  CAS-BOT-BC135847  Allium hoffmanii Thomas W. Nelson; James L. Nelson 1973-5-30 977 Humboldt Humboldt-Trinity Co. line, Mt. Lassic (Signal Peak) 1789 Comment
  HSC50950  Allium hoffmanii G. L. Clifton, Overton 1979-6-3 3774 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  UCSB18228  Allium unifolium 1961-7-3 Humboldt Along Eel River, 7.4 miles north of Phillipsville 243 Comment
  HSC58103  Allium validum G. L. Clifton, Griswold 1979-8-1 12034 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  JEPS59052  Allotropa virgata W. L. Jepson 1902-7-25 2117 Humboldt Trinity Summit 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
  SFV18531  Alnus rubra D. Waller 2002-5-7 71 Humboldt Arcata. Intersection of L. K. Wood and Redwood Ct. 61 Comment
  UC484033  Alnus rubra C. B. Wolf 1930-10-26 1767 Humboldt near Redwood Highway Bridge (s edge of Lagoon); Big Lagoon 9 Comment
  HSC90772  Alopecurus geniculatus Gail Newton 1982-6-5 3588 Humboldt Elk River Wildlife Area, Eureka Comment
  UC187284  Alopecurus geniculatus Joseph P. Tracy 1911-6-25 3249 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay, Bucksport 0 Comment
  UCD55912  Alopecurus saccatus Joseph P. Tracy 1951-6-21 19525 Humboldt Hydesville, bed of former Goose Lake, back of Everett Beck house (formerly George Gray). Comment
  CAS-BOT-BC13701  Ambrosia chamissonis Ira L. Wiggins 1930-7-7 4673 Humboldt Near Samoa Comment
  CAS-BOT-BC13711  Ambrosia chamissonis David D. Keck 1935-6-16 3385 Humboldt Mouth of Little River. Comment
  JEPS40954  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13688 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon, Stone Lagoon 3 Comment
  RSA264507  Ambrosia chamissonis var. chamissonis H. E. Parks 1941-09 24214 Humboldt Mouth of Little River Comment
  HSC18528  Amelanchier alnifolia var. semiintegrifolia D. E. Anderson 1964-4-24 3541 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  UC14177  Amelanchier alnifolia var. semiintegrifolia W. C. Blasdale 1896-6-6 Humboldt Fitzgeralds Comment
  HSC41466  Amelanchier pallida J. P. Smith, J. O. Sawyer 1973-5-12 6690 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. 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
  UC154234  Amelanchier utahensis J. P. Tracy 1909-5-2 2953 Humboldt immediate vicinity Eureka 0 Comment
  HSC17831  Anagallis arvensis D. B. Bader 1963-3-1 7 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  HSC17827  Anagallis arvensis Frances Oldridge 1946-1 Humboldt College Hill Comment
  RSA1464  Anaphalis margaritacea E. R. Johnson 1929-08 1407 Humboldt Arcata Redwood Park 76 Comment
  SEINET10761471  Anaphalis margaritacea J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13013 Humboldt On U.S. 101, near Holmes, 1.76 km south of Stafford Road. Comment
  UC1196194  Anemone deltoidea Joseph P. Tracy 1933-7-11 12711 Humboldt Grouse Mtn; North Coast Ranges; Grouse Mtn 1524 Comment
  UC1196191  Anemone oregana Joseph P. Tracy 1932-7-16 10628 Humboldt near Corral Prairie (Trinity Summit); Klamath Mtns, Trinity Summit 1524 Comment
  HSC60374  Angelica lucida J. M. DiTomaso 1979-5-20 1058 Humboldt Above College Cove at Elks Head, 1 mi. N of Trinidad. Comment
  UC126699  Angelica lucida John Matthiesen 1908-8-17 Humboldt Loleta Comment
  UC906655  Angelica tomentosa Joseph P. Tracy 1949-8-26 18528 Humboldt 3 mi s of Grizzly Camp (Trinity Summit); Trinity Summit 1463 Comment
  CAS-BOT-BC271496  Anisocarpus madioides Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC45639  Anisocarpus madioides Diane L. Reed 1978-5-7 50 Humboldt Friday Ridge Road, near Hwy. 299 Comment
  HSC58132  Antennaria howellii Gilbert Muth 1979-8-1 12135 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC4650  Antennaria suffrutescens D. E. Anderson 1965-6-1 3771 Humboldt On ridge along Friday Hill Rd., about 2 mi. NE from its junction with Titlow Hill Rd. 1159 Comment
  HSC56990  Antennaria suffrutescens Overton, Butler 1979-7-24 9553 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  RSA254784  Anthemis cotula Thomas W. Nelson 1973-8-19 1111 Humboldt McKeown Ranch north of Dinsmore Comment
  UCD85497  Anthoxanthum occidentale H. S. Yates 1936-6-22 5850 Humboldt 4 miles NE of Bald Mtn. Comment
  HSC8940  Anthoxanthum odoratum R. Berg 1963-2-23 1 Humboldt Arcata, Fickle Hill area Comment
  HSC8944  Anthoxanthum odoratum Paul Shields 1955-6-10 Humboldt Humboldt State University campus. Comment
  RSA129298  Anthoxanthum odoratum H. S. Yates 1936-6-16 5684 Humboldt Near Bayside 9 Comment
  SACT000343  Anthoxanthum odoratum Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt marshes bordering Humboldt Bay, 2 miles north of Eureka Comment
  UC589908  Anthoxanthum odoratum H. S. Yates 1936-6-18 5736 Humboldt 2 mi n of Big Lagoon 30 Comment
  UCD81681  Anthoxanthum odoratum Chuck Hughes 2009-6-18 101 Humboldt Near Arcata. NE corner of intersection of Old Samoa Road and Pacheco Road. 1 Comment
  HSC62743  Anthriscus caucalis J. M. DiTomaso 1979-4-21 882 Humboldt Clam Beach Comment
  SBBG83248  Antirrhinum vexillocalyculatum subsp. breweri D. M. Thompson 1983-6-26 354 Humboldt Kneeland Rd, 9.1 mi S of jct with Mtn View Rd Comment
  UC902211  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-8-11 18468 Humboldt 2 to 6 mi s Grouse Mt.; Kinsey Ridge 1280 Comment
  HSC32419  Aphanes occidentalis David Johnson 1974-4-24 Humboldt Samoa Peninsula W of Emerson Lumber Co. Comment
  HSC58036  Apocynum androsaemifolium G. L. Clifton 1979-7-31 11874 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC58233  Apocynum androsaemifolium Walter Overton 1979-8-1 12388 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  SEINET12104678  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC55329  Aquilegia formosa var. truncata Griswold, Butler 1979-7-12 7169 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC90416  Arabis breweri var. breweri C. Wilson, P. Kittleson, M. Hardig 1992-3-17 36 Humboldt Titlow Hill Rd., 1.7 mi. S of intersection with Hwy. 299 1037 Comment
  HSC58354  Arabis glabra Walter Overton, Butler 1979-8-2 12692 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 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
  SJSU2568  Aralia californica H. L. Buckalew 1962-7-2 Humboldt junction of Willow Creek & E Fork Willow Creek on Hwy 299, eastern Humboldt County Comment
  CAS-BOT-BC128698  Arbutus menziesii Doris K. Kildale 1927-12-1 4210 Humboldt Klamath River at Orleans Comment
  UC154180  Arbutus menziesii P. E. Goddard 1901-7-12 65 Humboldt Hupa Valley Comment
  UC915722  Arbutus menziesii W. L. Jepson 1903-6-23 50 Humboldt near Briceland Comment
  JEPS46253  Arctostaphylos canescens A. E. Wieslander 1928-7-18 Humboldt near Hupa Valley Comment
  JEPS118166  Arctostaphylos canescens subsp. canescens Dean W. Taylor 2009-7-14 20676 Humboldt vicinity Huestis Prairie (watershed Redwood Creek) 975 Comment
  CAS-BOT-BC23749  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt Fickle Hill, 6 mi. SE of arcata 609 Comment
  CAS-BOT-BC23753  Arctostaphylos columbiana Doris K. Kildale 1927-1-30 2899 Humboldt Big Lagoon, coastal terrace Comment
  CAS-BOT-BC23818  Arctostaphylos columbiana Joseph P. Tracy 1940-7-14 16688 Humboldt Wilder Ridge (near Kings Peak) 762 Comment
  UC397306  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6141 Humboldt Big Lagoon Northern Coast Region; Big Lagoon, Humboldt Co. 6 Comment
  UC549500  Arctostaphylos columbiana J. E. Adams 1935-5-12 1046 Humboldt Patrick's Point Comment
  UC585918  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13152 Humboldt French Camp Ridge 1066 Comment
  UCD50695  Arctostaphylos columbiana Lincoln Constance 1934-5-24 638 Humboldt Bordering lower Look Prairie on E. side. 121 Comment
  OBI14679  Arctostaphylos hispidula Carl B. Wolf 1937-8-13 9226 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New Road towards Trinity summit 1219 Comment
  RSA632788  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27792 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA632802  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27765 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  CAS-BOT-BC24361  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1927-8-30 1240 Humboldt French's ranch top of Wilder Ridge, between Honeydew and Ettersburg, near Upper Matole. Comment
  SEINET2031084 Image available Arctostaphylos media Joseph P. Tracy 1923-1 6171 Humboldt Around Humboldt Bay; Table Bluff 61 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
  CAS-BOT-BC46634  Arctostaphylos patula Henry M. Pollard 1946-8-28 s.n. Humboldt Orleans Mt., near summit. 1828 Comment
  CAS-BOT-BC46637  Arctostaphylos patula J. H. Thomas 1949-6-13 920 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. (E. of town of Orleans). 1676 Comment
  HSC33154  Arctostaphylos patula Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1242 Humboldt Horse Mtn. Area, SW of the microwave tower 1220 Comment
  HSC48821  Arctostaphylos patula Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 32 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC55118  Arctostaphylos patula Gilbert Muth 1979-8-1 11896 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC95653  Arctostaphylos uva-ursi Andrea Pickart 2002-4-5 42 Humboldt Lanphere Dunes 40 Comment
  UCR178884  Arctostaphylos uva-ursi R. G. Swinney 1968-4-13 244 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  UCSB15774  Arctostaphylos uva-ursi 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  RSA254756  Arctostaphylos uva-ursi var. coactilis Thomas W. Nelson 1974-4-20 1181 Humboldt Elk Head north of Trinidad. Comment
  RSA47099  Arctostaphylos uva-ursi var. coactilis Doris K. Kildale 1925-9-28 1358 Humboldt Samoa Comment
  SEINET11987311  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4200 Humboldt Strybing Arboretum, Golden Gate Park, San Francisco, orig. probably from Samoa Sand Spit Comment
  UC1103321  Aristida oligantha Joseph P. Tracy 1921-9-4 5951 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC16900  Armeria maritima subsp. californica M. T. Morse 1966-4-9 9 Humboldt 0.5 mi. N of Samoa Pulp Mill. Comment
  HSC89433  Armeria maritima subsp. californica D. Daly 1984-6-16 30 Humboldt Trinidad Head. 61 Comment
  UC562472  Armeria maritima subsp. californica Joseph P. Tracy 1927-6-8 8115 Humboldt Trinidad; sandy slopes facing ocean 3 Comment
  UCR122371  Armeria maritima subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 7017 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC47944  Arnica cernua Brad Klipfel 1974-5-27 436 Humboldt Horse Mtn. Comment
  UC1223000  Arnica discoidea Joseph P. Tracy 1950-8-8 19273 Humboldt near, (2 mi e of town, on trail to Groghan Hole) Box Camp; Trinity Summit 1524 Comment
  UC581753  Arnica discoidea Joseph P. Tracy 1937-7-2 15398 Humboldt on ridge 2 mi e of, Grove's Prairie; Trinity Summit 1524 Comment
  JEPS20978  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt near Corral Prairie; Trinity Summit 1524 Comment
  CDA18244  Arrhenatherum elatius G. D. Barbe, T. C. Fuller 1974-6-19 1882 Humboldt North Coast Ranges; Arcata, US Hwy 101 at Saint Louis Rd. 12 Comment
  HSC99892  Arrhenatherum elatius J. P. Smith 1994-6-12 11197 Humboldt Along West End Road, Arcata 12 Comment
  UC1103324  Arrhenatherum elatius Joseph P. Tracy 1927-7-4 8237 Humboldt North Coast Ranges, Iaqua, Lone Star Creek Lone Star Creek Lone Star Creek; North Coast Ranges, Iaqua, Lone Star Creek 609 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
  JEPS36982  Artemisia douglasiana W. L. Jepson 1936-8-12 17886 Humboldt Philipsville South Fork Eel River, Philipsville Comment
  HSC98817  Artemisia douglasiana Cara Witte 2007-9-3 642 Humboldt Forest Service Road 5N09. 1 mile east of intersection with National Forest 1. 1332 Comment
  RSA424565B  Artemisia douglasiana Thomas S. Elias, Barbara A. Elias 1987-8-26 10628 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge Comment
  JEPS37044  Artemisia dracunculus Milo S. Baker 1923-7-19 86 Humboldt near Carlotta (bed of Van Dusen River); Van Dusen River Comment
  SEINET201065  Artemisia pycnocephala J. P. Tracy 1909-7-18 3023 Humboldt Samoa Comment
  CAS-BOT-BC97243  Artemisia suksdorfii Carl B. Wolf 1927-8-29 1220 Humboldt [Devil's] Devils Gate, south of Cape Mendocino Comment
  SD56775  Artemisia suksdorfii Darley F. Howe 1963-7-8 3620 Humboldt 2.5 miles west of Bridgeville on Cal. 36. 149 Comment
  HSC34272  Aruncus dioicus var. acuminatus K. Irwin 1975-8-13 Humboldt Grogans Hole Comment
  HSC55680  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-26 9933 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  HSC3268  Asarum caudatum D. A. Shally 1965-5-15 50 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC63150  Asarum hartwegii M. A. Baker 1979-6-28 950 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  SEINET12283173  Asclepias cordifolia J. P. Tracy 1950-1 19043 Humboldt Stony hillside, under partial shade of oaks and madrones. Scarce. Trinity River, east side, Comment
  CDA42726  Aspidotis densa Gordon Leppig 1998-7-1 861 Humboldt Horse Mountain, Ammon Ridge Road 1 kilometer east of Titlow Hill Road. Comment
  CDA26596  Astragalus agnicidus R. Drewry 1988-7-15 Humboldt Near Miranda. 0 Comment
  NY5297  Astragalus agnicidus H. Tosten 1931-6-7 s.n. Humboldt Near Bear Buttes, 4 mi S of Miranda. Local on Tosten and Pierce Ranch. Comment
  SEINET3070824 Image available Astragalus agnicidus H. Tosten 1931-6-7 s.n. Humboldt Near Bear Buttes, 4 mi S of Miranda. Local on Tosten and Pierce Ranch. Comment
  JEPS118177  Astragalus umbraticus Dean W. Taylor 2009-7-14 20674 Humboldt vicinity Lake Prairie, reached via Guy Kerr Ranch Road off Snow Camp Road 1133 Comment
  UC1755322  Astragalus umbraticus Dean W. Taylor 2006-8-2 19569 Humboldt Showers Mountain; on north flank of the mountain, south rim of the Mad River canyon 1051 Comment
  HSC75271  Asyneuma prenanthoides J. O. Sawyer, D. A. Thornburgh 1980-9-9 4085 Humboldt Mill Creek Lake and surrounding meadows Comment
  RSA181910  Athyrium filix-femina subsp. cyclosorum W. L. Jepson 1932-8-8 16529 Humboldt Weott, hill above Comment
  HSC10343  Athyrium filix-femina var. cyclosorum H. S. Logsdon 1964-5-10 3 Humboldt 4 mi. NE of Orick at Boye's Prairie Comment
  HSC55038  Athyrium filix-femina var. cyclosorum Gilbert Muth 1979-7-31 11498 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  UCSB30585  Athyrium filix-femina var. cyclosorum Edwards, David 1974-9-2 Humboldt Ca. 10 ft. E. of dirt road, ca. 100 yds. from its jct. with Fickle hill Rd., Arcata 3 Comment
  HSC72972  Athysanus pusillus Gail Newton 1980-6-24 601 Humboldt Near Ladder Rock 1570 Comment
  UC162643  Athysanus pusillus Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5350 Humboldt near Harris; North-Western California Comment
  UC526704  Avena barbata Joseph P. Tracy 1933-5-20 12228 Humboldt 3 mi S of point of cape Cape Mendocino (SW slopes, fronting the ocean); Northern Coast Ranges 3 Comment
  UCD56239  Avena barbata A. A. Beetle; G. L. Stebbins. 1942-6-3 3485 Humboldt Near Garberville. 1.4 miles on road to Harris. Comment
Read comments
Jan 21 2009
  HSC45051  Avena fatua R. Sutherland 1978-4-24 8 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  HSC37666  Baccharis douglasii R. Sutherland 1976-8-19 14 .19876 Humboldt 236 Comment
  POM318604  Baccharis douglasii Patricia Wilder 1968-8-21 4410 Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  CAS-BOT-BC98034  Baccharis pilularis L. B. Kildale 1930-8-3 10488 Humboldt Chaparral Mt. at Bug Creek Comment
  CDA10384  Baccharis pilularis C. R. Tower Aug 1951 Humboldt General along Redwood Highway, Coast country. 0 Comment
  UC1222974  Baccharis pilularis Joseph P. Tracy 1949-10-16 18589 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  HSC13133  Baccharis pilularis subsp. consanguinea Steve Dorei 1970-10-9 33 Humboldt HSC campus, Arcata, near Fisheries water tank on Union St. Comment
  HSC47014  Baccharis pilularis subsp. consanguinea Sheila Logan 1978-11-23 223 Humboldt Manila Sand Dunes, Manila; 1/4 mile W of junction with Samoa Blvd. and Redwood Gun club 6 Comment
  HSC5120  Baccharis pilularis subsp. consanguinea Jerry Parker 1968-9-19 61 Humboldt Clam Beach Comment
  UC552310  Balsamorhiza deltoidea Joseph P. Tracy 1935-6-16 11282 Humboldt lower nw slope Buck Mountain 792 Comment
  UC1198288  Barbarea orthoceras Joseph P. Tracy 1913-4-13 4037 Humboldt on a branch of Ryans Slough about 3 miles East of Eureka 152 Comment
  HSC95549  Barbarea vulgaris Andrea Pickart 2002-5-24 107 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  CAS-BOT-BC145787  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of South Yager Creek. 762 Comment
  HSC5190  Bellis perennis A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek junction: N Bank; 100 yards W of Lindsey Creek Comment
  UC204587  Berberis aquifolium Joseph P. Tracy 1918-5-1 4894 Humboldt Kneeland Prairie 457 Comment
  UC774938  Berberis aquifolium var. aquifolium Carl B. Wolf 1937-8-13 9233 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit) 1219 Comment
  HSC74356  Berberis aquifolium var. repens Gail Newton 1980-6-17 228 Humboldt Near Onion Mtn. 1341 Comment
  UC1198389  Berberis aquifolium var. repens Joseph P. Tracy 1947-7-5 17789 Humboldt ridge top 1 mi w Mud Springs (Trinity Summit) 1158 Comment
  HSC31569  Berberis nervosa Glenn McGourty 1974-5-11 39 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  CAS-BOT-BC75806  Berberis pinnata Doris K. Kildale; L. B. Kildale 1930-5-11 9540 Humboldt The Bald Hills near Tomlinson's. 792 Comment
  CAS-BOT-BC412987  Bistorta bistortoides Doris K. Kildale 1928-5-27 5936 Humboldt Kneeland Prairie 853 Comment
  UC902015  Boechera acutina Harold E. Parks and Joseph P. Tracy 1949-6-25 11678 Humboldt Box Camp Trinity Summit 1463 Comment
  RSA465618  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-12 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC31367  Bolboschoenus maritimus Carl B. Wolf 1927-8-28 1180 Humboldt Salt Marsh bordering Eureka Bay, on road to Arcata. Comment
  HSC93955  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1999-10-25 1268 Humboldt Hwy. 101, mile marker 61.40 2 Comment
  HSC37915  Bolboschoenus robustus Peter Sorensen 1976-7-14 Humboldt Humboldt Bay, Woodley Island Comment
  HSC41347  Boschniakia strobilacea Brad Klipfel 1974-8-2 501 Humboldt Horse Mtn. Comment
  HSC44123  Botrychium multifidum Thomas F. Lyon, Linda M. Barker 1977-5-8 1715 Humboldt 3 mi. W of Arcata in S pasture Comment
  UC1239783  Botrychium multifidum Joseph P. Tracy 1912-7-22 3793 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  JEPS19058  Botrychium multifidum Milo S. Baker 1923-7-15 13 Humboldt southeastern outskirts of Eureka (near M and Hays Streets) Comment
  HSC97981  Boykinia major Cara Witte 2007-7-11 487 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC667115  Boykinia occidentalis Joseph P. Tracy 1934-7-22 13484 Humboldt at crossing of the Bridgeville-Kneeland Road North Yager Creek 396 Comment
  SEINET5781061 Image available Brickellia californica S. K. Harris, C. M. Wilder 1938-9-8 Humboldt Van Duzen River, below Blue Slide Comment
  HSC45221  Briza maxima M. Alcasas 1978-5-28 110 Humboldt E end of Myrtle Ave., Eureka 8 Comment
  SEINET3921283  Briza maxima K. L. Chambers 1984-6-16 5149 Humboldt Bald Hills Road, 7.9 miles past Lady Bird Johnson Grove, E. of Orick.; 0 Comment
  UCD57277  Briza maxima P. B. Kennedy 1929-6-13 s.n. Humboldt Etterburg. Comment
  HSC66126  Briza minor J. P. Smith, Steve Selva 1970-6-14 3825 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC78974  Briza minor L. P. Janeway, Paul Wilson 1984-5-25 827 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  HSC79436  Briza minor Kenneth Clark 1980-6-14 664 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 30 Comment
  UC1103342  Briza minor Joseph P. Tracy 1919-5-31 5141 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  UC34059  Briza minor J. P. Tracy 1900-6-5 835 Humboldt Immediate vicinity of Eureka 0 Comment
  UC15011  Brodiaea elegans subsp. elegans Harley P. Chandler June, 1901 1413 Humboldt Klamath River North Coast Ranges 304 Comment
  UC1197733  Brodiaea elegans subsp. elegans Joseph P. Tracy 1933-8-30 13014 Humboldt grassy places on Titlow Ridge Grouse Mountain 1432 Comment
  HSC100549  Brodiaea laxa Carl C. Marshall Jun 1885 94 Humboldt Hills everywhere. Comment
  POM160834  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek. 762 Comment
  UC1197740  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1928-5-20 8441 Humboldt halfway between the ocean and Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  UCD125575  Bromus Laurel Goldsmith 2012-11-1 s.n. Humboldt Near Arcata. Humboldt Bay National Wildlife Refuge. Lanphere Dunes Unit, just outside main office. 6800 Lanphere Road. 5 Comment
  HSC9215  Bromus carinatus T. L. Ackerman 1964-5-15 45 Humboldt Dunes west from Fairhaven sign Comment
  HSC99002  Bromus carinatus var. carinatus Cara Witte 2007-6-28 391 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  SEINET201049 Image available Bromus carinatus var. carinatus Joseph P. Tracy 1925-7-5 7162 Humboldt High Prairie on Bald Mountain 1067 Comment
  UC1103278  Bromus carinatus var. carinatus Joseph P. Tracy 1942-6-2 17098 Humboldt 2 mi n of Bridgeville 609 Comment
  UC1145158  Bromus carinatus var. carinatus Joseph P. Tracy 1936-8-2 15070 Humboldt French Camp Ridge 1066 Comment
  UC552686  Bromus carinatus var. carinatus Joseph P. Tracy 1935-5-16 13806 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC552775  Bromus carinatus var. carinatus Harold E. Parks and Joseph P. Tracy 1935-6-8 11268 Humboldt Trinidad 60 Comment
  UCD58498  Bromus carinatus var. carinatus A. H. Murphy 1951-3-30 s.n. Humboldt 2 miles north of Petrolia. County road. Comment
Read comments
May 22 2012
  UC1103286  Bromus carinatus var. maritimus Joseph P. Tracy 1933-6-6 12509 Humboldt Northern Coast Region, Trinidad Trinidad; Northern Coast Region, Trinidad 15 Comment
  HSC92385  Bromus diandrus T. M. Mingo May 1965 Humboldt Edge of parking area at Luffenholtz Beach. Comment
  BLMAR41  Bromus diandrus Brad Barr 1982-6-21 41 Humboldt King range, hidden valley enclosure Comment
  CAS-BOT-BC155428  Bromus hordeaceus Doris K. Kildale 1929-5-26 9132 Humboldt Klamath River at Orleans. 152 Comment
  HSC9247  Bromus hordeaceus J. R. Eichelberger 1964-5-13 80 Humboldt 1/4 mi. from U.S. 101 on the N side of the Mad River. Comment
  HSC98699  Bromus hordeaceus Cara Witte 2007-5-23 98 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1.5 miles south of intersection with 5N04 and 4N32E. 1402 Comment
  SEINET200662 Image available Bromus hordeaceus subsp. hordeaceus Joseph P. Tracy 1923-6-20 6327 Humboldt Chamise Mountain near Shelter Cove 305 Comment
  HSC71600  Bromus laevipes M. A. Baker 1980-6-26 2411 Humboldt Near Sims Creek 610 Comment
  UC249789  Bromus laevipes Joseph P. Tracy 1923-6-27 6378 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD59007  Bromus madritensis A. H. Murphy 1951-5-21 45 Humboldt 2 miles S of Blocksburg. Prior Ranch. Comment
  CAS-BOT-BC162259  Bromus maritimus Roxana S. Ferris 1937-8-21 9389 Humboldt Shelter Cove. Comment
  UCD59545  Bromus rubens Joseph P. Tracy 1948-6-13 18053 Humboldt Harris. 762 Comment
  UC188942  Bromus secalinus J. Burtt Davy 1899-6-20 5688 B Humboldt North Coast Ranges, Hoopa Valley Hoopa Valley; North Coast Ranges, Hoopa Valley Comment
  CAS-BOT-BC161606  Bromus sterilis Joseph P. Tracy 1935-6-23 13980 Humboldt French Camp Ridge. 1066 Comment
  UC1103350  Bromus tectorum Joseph P. Tracy 1933-5-18 12187 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UC1131268  Bromus tectorum H. S. Yates 1936-6-19 5715 Humboldt near Burr Valley 914 Comment
Read comments
Apr 6 2017
  UC526728  Bromus tectorum Joseph P. Tracy 1931-5-3 9349 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  CAS-BOT-BC185521  Bromus vulgaris Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain Trail. 1371 Comment
  UCD60242  Bromus vulgaris A. H. Shunk 1923-7-12 s.n. Humboldt Briceland. Comment
  RSA484551  Cakile edentula M. B. Dunkle 1936-8-18 4823 Humboldt Moonstone Beach. Comment
  CAS-BOT-BC36861  Cakile edentula var. edentula Ira L. Wiggins 1930-7-7 4671 Humboldt Near Samoa. Comment
  UC902001  Cakile maritima Joseph P. Tracy 1948-6-10 18062 Humboldt Trinidad, beach w of town Trinidad 3 Comment
  SEINET10481270  Cakile maritima Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-8-6 Dziekanowski 2502 Humboldt Collected in the vicinity of a state park on the beach opposite of mckinleyville. Vast colony of yellow lupinus arboreus. Comment
  UC1565648  Calamagrostis foliosa Ken S. Berg 1986-9-13 Humboldt Shelter Cover Telegraph Creek (mouth of creek) Comment
Read comments
Mar 31 2007
  HSC58660  Calamagrostis koelerioides Gilbert Muth 1979-8-1 11888 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 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
  UC526776  Calamagrostis nutkaensis Joseph P. Tracy 1925-7-5 7174 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  RSA729025  Callitriche heterophylla var. bolanderi R. F. Thorne, P. C. Everett 1965-8-9 35323 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC62828  Callitriche stagnalis J. M. DiTomaso 1979-4-21 888 Humboldt Fresh water creek at Clam Beach, 9 mi. N of Arcata. Comment
  HSC12858  Callitropsis nootkatensis M. Athey, D. La Conte 1970-11-28 4 Humboldt HSU campus Comment
  CAS-BOT-BC487804  Calochortus coeruleus H. C. Cantelow 1939-6-5 3947 Humboldt Dinsmore Meadow Comment
  HSC31756  Calochortus tolmiei Timothy B. Devine 1974-5-4 322 Humboldt Bank of Chezem Rd. at junction of Hwy. 299 457 Comment
  HSC96227  Calochortus tolmiei M. Lindquist, C. Riley 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on NF 1 1205 Comment
  JEPS17825  Calochortus tolmiei Joseph P. Tracy 1932-5-10 9931 Humboldt Bear River Ridge 609 Comment
  UCD139588  Calochortus tolmiei Collector Unknown 1935-4-8 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC496522  Calochortus tolmiei R. K. Gierisch; D. H. Esplin 1969-7-1 3530 Humboldt Six Rivers Forest. Grouse Mtn. 1584 Comment
  HSC89585  Calochortus tolmiei M. Roantree 1985-5-30 70 Humboldt W side of Trinidad Head on an outcropping W of trail Comment
  UC3435  Calochortus tolmiei H. N. Bolander 1867-1 6555 Humboldt Red Mts. Comment
  UC1197694  Calochortus vestae Joseph P. Tracy 1930-6-29 8811 Humboldt nw slope Buck Mountain 762 Comment
  UC502923  Caltha biflora Joseph P. Tracy 1932-7-17 10671 Humboldt Ridges east of Corral Prairie, Trinity Summit; Klamath Mountains. 1828 Comment
  RSA12547  Caltha howellii Carl B. Wolf 1934-7-2 5891 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC55997  Caltha leptosepala Overton, Butler 1979-7-31 11439 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC1971693  Calycadenia fremontii 1978-8-21 2158 Humboldt 2.1 mi W of Hwy 299 on Friday Ridge Road, ca. 3.5 mi WSW of Salyer, common at Burnt Woods, yellow form at Big Bar (W along cliffs), (=GDC 785) 458 Comment
  UC205208  Calycadenia fremontii Joseph P. Tracy 1920-8-15 5350 Humboldt mouth of Salmon River Northern Coast Ranges, Klamath River 243 Comment
  HSC38745  Calypso bulbosa J. D. Ackerman 1976-4-26 753 Humboldt 1.5 mi. E of Blue Lake Simpson demonstration forest near highway. Comment
  HSC48948  Calypso bulbosa M. A. Baker 1979-5-17 732 Humboldt On FS 1 along Wilson Creek, just E of FS 15N01 Comment
  HSC65202  Calypso bulbosa T. Jimerson, J. Pageau 1979-5-1 446 Humboldt On FS 6N34C, Orleans Ranger District, Orleans Comment
  UCD138889  Calypso bulbosa var. occidentalis R. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC102606  Calyptridium monospermum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1593 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC55179  Calyptridium monospermum Gilbert Muth 1979-8-1 12189 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  HSC99454  Calyptridium monospermum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 106 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
  CDA20594  Calystegia silvatica subsp. disjuncta P. Haggard 2005-9-15 PDR 1368655 Humboldt North Coast; Along banks of Mad River, Arcata. 0 Comment
  HSC46956  Calystegia soldanella J. P. Smith, Thomas W. Nelson 1977-6-30 9204 Humboldt Samoa Peninsula just E of the drag strip. Comment
  HSC6362  Calystegia soldanella D. A. Haskell 1966-4-30 44 Humboldt Near the town of Samoa Comment
  POM202655  Camassia M. S. Jussel 1931-5-1 s.n. Humboldt On road to Garberville Comment
  UC146194  Camassia quamash Joseph P. Tracy July 1908 2903 Humboldt near Low Gap (between Van Duzen and Mad Rivers, opposite Dinsmore's); Northern Coast Ranges 609 Comment
  HSC74419  Camassia quamash subsp. linearis Gail Newton 1980-8-10 2041 Humboldt Near Blake Mountain. 1707 Comment
  OBI36380  Camissoniopsis cheiranthifolia David J. Keil 1983-7-1 17283 Humboldt Ca. 5 mi NW of Petrolia along mattole Rd Comment
  UC144060  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. P. Tracy 1909-7-18 3017 Humboldt opp. Eureka (sand hills of ocean beach); Samoa Comment
  UC741172  Camissoniopsis cheiranthifolia subsp. cheiranthifolia C. C. and S. K. Harris, Clarence Crane Jr. 1939-8-23 970 Humboldt Samoa Comment
  CAS-BOT-BC160246  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Doris K. Kildale; L. B. Kildale 1930-3-27 9523 Humboldt Beach near North Jetty Comment
  JEPS11848  Campanula prenanthoides Joseph P. Tracy 1934-8-23 13600 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  SEINET10462895  Campanula prenanthoides Anderson 1962-7-17 Anderson 2273 Humboldt CAMP BAUER, CA. .25 MI E OF KORBEL ON N FORK MAD R. Comment
  SEINET10462965  Campanula prenanthoides Aven Nelson, Ruth A. Nelson 1977-7-1 Nelson 3562 Humboldt Along north slope of ridge between Bear & Blanket Creeks. T1S R5E SEC.25 1494 Comment
  SEINET10463039  Campanula prenanthoides Tracy 1909-8-1 TRACY 3061 Humboldt KNEELAND PRAIRIE, WOODS, GRAVELLY SOIL 762 Comment
  SEINET10873256  Campanula prenanthoides Willis L. Jepson Jepson s.n. Humboldt Big Heorse Mountain Comment
  POM193020  Campanula scouleri M. H. Manning 1901-07 s.n. Humboldt Near Hupa Comment
  SEINET10873297  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6978 Humboldt NEAR SNOW CAMP, IAQUA BUTTES QUAD. CLOSE TO THE TOWN OF WILLOW CR. EVERGREEN CONIFER FOREST, LAKE SIDE 1393 Comment
  SEINET10840056  Campanula scouleri Tracy 1926-6-27 TRACY 7691 Humboldt Horse Mountain, shaded banks in Fir woods. 1219 Comment
  HSC89442  Capsella bursa-pastoris P. A. Daly 1986-1-20 40 Humboldt Trinidad Head, along trail 61 Comment
  UC162969  Cardamine breweri J. P. Tracy 1905-4-23 2169 Humboldt immediate vicinity Eureka; vicinity Eureka 0 Comment
  CAS-BOT-BC37421  Cardamine californica LeRoy Ellsworth Detling 1935-4-22 1646 Humboldt Redwoods, Prairie Creek Fish Hatchery. Comment
  UC1199201  Cardamine californica Joseph P. Tracy 1926-2-28 7375 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, , nr South Fork T 182 Comment
  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
  UC1199198  Cardamine nuttallii Joseph P. Tracy 1935-7-28 14320 Humboldt head Devil's Hole; Trinity Summit, head of Devil's Hole 1828 Comment
  HSC74460  Cardamine oligosperma M. A. Baker 1980-5-18 1356 Humboldt Near Black Mtn. 792 Comment
  HSC89488  Cardamine oligosperma P. A. Daly 1986-2-28 66 Humboldt Trinidad Head, along trail 61 Comment
  UC1199204  Cardamine oligosperma Joseph P. Tracy 1919-3-31 5166 Humboldt along Willow Creek ((Tributary of Trinity River, Humboldt Co) near its mouth); Northern Coast Ranges, along Willow Creek 152 Comment
  UC552295  Cardaria draba Joseph P. Tracy 1933-5-19 12201 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  CHSC55892  Cardionema ramosissimum L. P. Janeway 1987-7-31 2546 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  UC1409184  Cardionema ramosissimum Robert F. Thorne and P. Everett 1965-8-5 35155 Humboldt Samoa Dunes 3 Comment
  JEPS25971  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  UC562253  Carex aquatilis var. dives Joseph P. Tracy 1935-6-8 13948 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  CAS-BOT-BC18009  Carex arcta Joseph Prince Tracy 1934-7-13 13389 Humboldt Dow's Prairie. 60 Comment
  HSC95660  Carex arcta Juha Pykala, D. H. Norris 1987-6-5 1436 Humboldt E of Maple Creek, Lake Prairie 1052 Comment
  JEPS109966  Carex arcta Dean W. Taylor 2006-8-3 19575 Humboldt Snow Camp Lake; northwestern end of the lake 1396 Comment
  CAS-BOT-BC19441  Carex bolanderi Joseph Prince Tracy 1935-6-23 13985 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  CAS-BOT-BC19612  Carex brainerdii Joseph Prince Tracy 1935-7-30 14350 Humboldt Salmon Summit. On ridge 2 miles southwest of top. 1767 Comment
  UC1115804  Carex canescens Joseph P. Tracy 1939-7-9 16318 Humboldt at Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  UC1103599  Carex concinnoides Joseph P. Tracy 1927-6-19 8202 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 15 Comment
  HSC61628  Carex cusickii Ruby Van Deventer 1959-6-20 Humboldt Humboldt/Del Norte County line, Onion Lake 1220 Comment
  CHSC35530  Carex densa Thomas Nelson; Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore. 762 Comment
  UC302098  Carex deweyana subsp. leptopoda Joseph P. Tracy 1912-7-25 3815 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1103127  Carex echinata subsp. echinata Joseph P. Tracy 1923-6-24 6372 Humboldt in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC89402  Carex geyeri L. P. Janeway 1984-6-17 845 Humboldt On ridge E of Horse Mtn. 1433 Comment
  CAS-BOT-BC20871  Carex globosa Joseph Prince Tracy 1927-7-4 8242 Humboldt North Coast Ranges. Blue Slide, on Van Duzen River. 91 Comment
  UC562716  Carex globosa Joseph P. Tracy 1927-7-4 8242 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  SEINET8068029 Image available Carex harfordii A. L. Hipp 1999-1 438 Humboldt Phillipsville-Edge of 101 (Redwood Hwy), big E-turn just S. of the Miranda exit. Comment
  HSC103083  Carex hassei Sydney Carothers 2014-6-22 25 Humboldt Six Rivers National Forest, Lassics Botanical Area. Below trail to Mount Lassic. 1707 Comment
  UCR66610  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek at the South Fork of the Eel River 50 Comment
  IRVC1227  Carex hendersonii R. H. Whittaker, W. A. Niering U Humboldt Humboldt Redwoods State Park. Comment
  CHSC90283  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8534 Humboldt North Coast Ranges. Along Forest Road 13N01 18 miles from junction with State Route 96. 1066 Comment
  CHSC98325  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1982-7-9 7082 Humboldt North Coast Ranges. Junction of Forest Service Road 1S07 and road to Mt. Lassic (Signal Peak). 1767 Comment
  CAS-BOT-BC31260  Carex lenticularis var. impressa Joseph Prince Tracy 1935-7-23 14148 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  UC562633  Carex leporina Joseph P. Tracy 1936-6-28 15014 Humboldt near Murphy Meadow (Bald Mountain); Bald Mountain 1066 Comment
  HSC7139  Carex leptalea B. D. Rogers 1965-10-2 1021 Humboldt Big Lagoon 0 Comment
  CAS-BOT-BC31584  Carex luzulina var. luzulina Joseph Prince Tracy 1930-7-16 8987 Humboldt South Fork Mountain, in wet meadow at McKay Camp. 1676 Comment
  CAS-BOT-BC31587  Carex luzulina var. luzulina Joseph Prince Tracy 1932-7-14 10560 Humboldt Trinity Summit, Corral Prairie. 1584 Comment
  UC562725  Carex mendocinensis Joseph P. Tracy 1935-7-14 14086 Humboldt North Coast Ranges. Grouse Mountain. Comment
  HSC102156  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1064 Humboldt Patterson Meadows 1555 Comment
  SEINET201051  Carex multicaulis J. P. Tracy 1927-3-27 7862 Humboldt Northern Coast Ranges Trinity River Valley near the South Fork 183 Comment
  CHSC34065  Carex nudata Joseph P. Tracy 1911-6-4 3221 Humboldt Northern Coast Region. Along Little River, 5 miles from the coast. 121 Comment
  HSC39186  Carex nudata D. E. Anderson, J. P. Smith 1971-6-28 1214 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  JEPS80024  Carex nudata Joseph P. Tracy 1911-6-4 3221 Humboldt along Little River 5 mi from coast; Northern Coast Region, Little River 121 Comment
  POM126515  Carex nudata Joseph P. Tracy 1922-5-29 6069 Humboldt South Yager Creek Valley. 762 Comment
  HSC7065  Carex obnupta D. B. Bader 1963-3-29 35 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101 Comment
  JEPS80018  Carex obnupta Joseph P. Tracy 1912-7-31 3898 Humboldt on nw slope of Buck Mountain Northern Coast Ranges, Burr Valley, Buck Mountain 1066 Comment
  UC562241  Carex obnupta Joseph P. Tracy 1936-6-9 14892 Humboldt 3 mi e Cape Mendocino; Cape Ridge 243 Comment
  UC562550  Carex ovalis Joseph P. Tracy 1934-7-18 13413 Humboldt Horse Mountain Northern Coast Ranges 1371 Comment
  HSC48138  Carex ovalis D. H. Norris 1971-7-17 19601 Humboldt Along Redwood House Rd., about 3 mi. W of intersection with Kneeland-Bridgeville Rd. Comment
  HSC70166  Carex ovalis Thomas W. Nelson 1978-6-10 4418 Humboldt Behind the Seventh-Day Adventist Church on F St., Eureka Comment
  UC585634  Carex ovalis Joseph P. Tracy 1937-8-7 15617 Humboldt Murphy Ridge Bald Mt. 914 Comment
  HSC76793  Carex pachystachya L. P. Janeway 1982-6-20 17 Humboldt Along Titlow Hill Rd., 3 mi. from Hwy. 299 1220 Comment
  POM301859  Carex pachystachya Joseph P. Tracy 1938-6-15 15934 Humboldt Vicinity of Carlotta. 30 Comment
  UC1115801  Carex pachystachya Joseph P. Tracy 1939-7-9 16325 Humboldt Lake Prairie Bald Mountain 1066 Comment
  HSC60292  Carex pansa Phyllis Krieg 1979-5-2 Humboldt Coast Guard sand dunes, Samoa 0 Comment
  CAS-BOT-BC118824  Carex preslii Joseph Prince Tracy 1938-6-9 15878 Humboldt Dobbyn Creek 152 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
  CAS-BOT-BC118006  Carex rossii Joseph Prince Tracy 1935-6-2 13921 Humboldt In fern prairies on hillside, Big Lagoon 30 Comment
  UC213329  Carex scopulorum var. bracteosa Joseph P. Tracy 1919-9-25 5298 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  UC303011  Carex serratodens Joseph P. Tracy 1926-6-27 7692 Humboldt Horse Mountain Northern Coast Ranges 1219 Comment
  CAS-BOT-BC116909  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-22 4737 Humboldt Near Alder Point Comment
  CAS-BOT-BC116680  Carex subfusca Joseph Prince Tracy 1936-6-17 14954 Humboldt Buck Mountain, lower foothills of its NW slope. 762 Comment
  NY11384  Carex tracyi J. P. Tracy 1914-7-4 4547 Humboldt "High Prairie" on Bald Mountain 1066.8 Comment
  CAS-BOT-BC115569  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-22 4745 Humboldt Near Blocksburg Comment
  CAS-BOT-BC115570  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4848 Humboldt Kneeland Comment
  JEPS79866  Carex tumulicola Joseph P. Tracy 1916-6-19 4712 Humboldt Laribee Creek at Bosworth's; Northern Coast Ranges, Laribee Creek 457 Comment
  CAS-BOT-BC115540  Carex unilateralis Joseph Prince Tracy 1930-6-15 8756 Humboldt Bordering a pond, Dobbyn Creek 152 Comment
  UC1152074  Carex unilateralis Joseph P. Tracy 1948-6-13 18034 Humboldt Larrabee Creek Road, halfway between Bridgeville and Blocksburg; Larrabee Valley 731 Comment
  CHSC107143  Carex utriculata R. E. Brainerd 2009-7-23 1564 Humboldt North Coast Range, South Fork Mountain; 19.6 miles west-northwest of Hayfork. UTM Zone 10 453477E 4494945N. 1661 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
  RSA167278  Carex utriculata Joseph P. Tracy 1950-8-7 19264 Humboldt Meadow at Box Camp, Trinity Summit. 1524 Comment
  UC1103610  Carex utriculata Joseph P. Tracy 1937-8-12 15636 Humboldt Snow Camp 1402 Comment
  UCD96839  Carpobrotus chilensis Joseph P. Tracy 1947-9-1 17924 Humboldt Big Lagoon. 6 Comment
  CAS-BOT-BC281885  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie on ridge 1 mile N above Bull Creek, ca 2 miles W of Dyerville Comment
  JEPS82  Castilleja affinis subsp. affinis Lincoln Constance 1934-3-29 715 a Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC1196862  Castilleja affinis subsp. affinis Joseph P. Tracy 1908-6 2812 Humboldt opposite Buck Mountain; North Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1353963  Castilleja affinis subsp. litoralis Noel H. Holmgren and James L. Reveal 1966-6-8 2662 Humboldt 0.5 mi w Dry Lagoon (U.S. Hwy 101, m mi s of Orick) Comment
Read comments
Jan 8 2015
  UC582582  Castilleja affinis subsp. litoralis H. E. Parks and Joseph P. Tracy 1923-5-19 6208 Humboldt vicinity Trinidad 60 Comment
  UC902223  Castilleja affinis subsp. litoralis Joseph P. Tracy 1947-5-24 17692 Humboldt Big Lagoon 152 Comment
  CDA41234  Castilleja affinis subsp. litoralis L. R. Heckard 1960-8-23 1210 Humboldt About 0.5 mile south of Dry Lagoon State park (near Orick). Comment
  SBBG7047  Castilleja ambigua subsp. ambigua H. and M. Dearing 1939-5-25 3430 Humboldt beach N of Loleta 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
  HSC30760  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, James Nelson 1973-5-28 922 Humboldt N of Black Lassic along U.S.F.S. Rd. 1S07 Comment
  UC582494  Castilleja arachnoidea Joseph P. Tracy 1935-7-24 14171 Humboldt near Trinity Summit Ranger Station; Trinity Summit 1828 Comment
  HSC96265  Castilleja attenuata Jennifer Lumbert, James Robinson 2005-6-10 9 Humboldt Cold Springs Campground, 7.4 mi. S of Hwy. 299 on NF1 1357 Comment
  SEINET4095680  Castilleja exserta O. M. Clark 1932-1 5341 Humboldt North Eureka. Comment
  JEPS10639  Castilleja lacera Lincoln Constance 1934-6-25 929 Humboldt Englewood, on e side of road, across road from Collins' Englewood Campground South Fork Eel River, Bull Creek Region, Englewood Comment
  JEPS8622  Castilleja pruinosa Joseph P. Tracy 1926-6-27 7676 Humboldt Horse Mountain; Northern Coast Ranges 1432 Comment
  UC902245  Castilleja pruinosa Joseph P. Tracy 1947-7-5 17786 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UCR32075  Ceanothus cuneatus David J. Keil 1983-7-2 17328 Humboldt Horse Mountain Summit SW of Willow Creek 1509 Comment
  HSC43220  Ceanothus foliosus R. Sutherland 1976-5-18 2 .18576 Humboldt 274 Comment
  HSC37602  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-13 10 .13575 Humboldt Brushy flat 509 Comment
  HSC41837  Ceanothus incanus Tom Duebendorfer 1977-4-23 8 Humboldt 2.5 mi S of Shelter Cove Rd. S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC502945  Ceanothus incanus Joseph P. Tracy 1932-5-1 9878 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  HSC18292  Ceanothus integerrimus Francis Winter 1960-5-7 Humboldt 1.0 mi. E of Hoopa along Hoopa-Willow Creek Hwy. 152 Comment
  UC1198012  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13182 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC101656  Ceanothus oliganthus var. sorediatus J. P. Smith, J. O. Sawyer 2011-4-23 13116 Humboldt Along Salmon Creek Rd., 3.4 miles from its junction with U.S. 101. 203 Comment
  CAS-BOT-BC51209  Ceanothus parryi Mrs. E. C. Suttiffe 1933-6-3 s.n. Humboldt Redwood Highway, west Humboldt County Comment
  CAS-BOT-BC51219  Ceanothus parryi C. Hart Merriam 1920-8-30 s.n. Humboldt Garberville Comment
  CAS-BOT-BC51220  Ceanothus parryi C. Hart Merriam 1920-8-27 s.n. Humboldt South fork Eel River (10 miles so. of Garberville) Comment
  CAS-BOT-BC51225  Ceanothus parryi C. Hart Merriam 1925-5-25 s.n. Humboldt Highway, South Fork Eel River Comment
  HSC60193  Ceanothus parryi J. P. Smith, J. O. Sawyer 1975-4-6 8057 Humboldt N of Briceland on rd. to Hwy. 101 Comment
  JEPS42289  Ceanothus parryi Lincoln Constance 1934-5-24 632 Humboldt bordering lower Look Prairie on E side South Fork Eel River (Bull Creek Region) 121 Comment
Read comments
Mar 24 2013
  UC203997  Ceanothus parryi Joseph P. Tracy 1918-7-6 5045 Humboldt near Humboldt-Mendocino County line; Northern Coast Ranges, South Fork of Eel River 152 Comment
  CAS-BOT-BC53063  Ceanothus pumilus Clarence R. Quick 1959-7-24 59 -34 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC18337  Ceanothus thyrsiflorus H. E. Parks Apr 1934 4229 Humboldt Spruce Cove, Trinidad 64 Comment
  RSA46804  Ceanothus thyrsiflorus Doris K. Kildale 1927-3-29 3289 Humboldt Bug Creek. Comment
  UC668162  Ceanothus thyrsiflorus Joseph P. Tracy 1937-5-30 15315 Humboldt Bridgeville 198 Comment
  CAS-BOT-BC52866  Ceanothus velutinus Joseph P. Tracy 1935-5-12 13798 Humboldt Trinity River Valley, at Willow Creek 152 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
  HSC18355  Ceanothus velutinus Francis Winter 1960-4-24 Humboldt 2 mi. SE of Schoolhouse Peak 838 Comment
  UC1193275  Ceanothus velutinus R. H. Neuns 1950-7-13 128 Humboldt 3 miles south of Alder Point 548 Comment
  UC503021  Ceanothus velutinus Joseph P. Tracy 1932-7-17 10698 Humboldt open ground at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  UCD112775  Ceanothus velutinus B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  CDA35679  Ceanothus velutinus Gordon Leppig 1998-6-1 876 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  UC582508  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Comment
  UC582524  Centaurea benedicta Joseph P. Tracy 1928-10-7 8515 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  UC1119115  Centaurea cyanus H. L. Person 1932-8-7 Humboldt Korbel Eureka Comment
  HSC100711  Centaurea melitensis Carl C. Marshall Jun 1886 287 Humboldt Hooker's near Hoopa. Comment
  UC162889  Cerastium arvense Mrs. M. H. Manning May 1902 Humboldt near Hupa Hupa Comment
  UC1198316  Cerastium glomeratum Joseph P. Tracy 1921-4-24 5443 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  UC161008  Cerastium glomeratum Joseph P. Tracy 1900-5-24 803 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UCSB1850  Cerastium glomeratum Parks, H.; Parks, S. 1944-04 Humboldt Spruce Cove, Trinidad 60 Comment
  JEPS51355  Cerastium viride Lincoln Constance 1934-6-3 805 Humboldt on Redwood Hwy. 1 mi. n. Dyerville (rd. from High Rock to Horse Prairie); S. Fork Eel R., Bull Creek Region Comment
  POM187538  Cercis occidentalis Marcus E. Jones 1931-7-16 28996 Humboldt Junction, East of Arcata. Comment
  UC673250  Cercis occidentalis Lincoln Constance and Reed C. Rollins 1942-5-12 2895 Humboldt bluffs at junction of Klamath River and Salmon River (1 mi s of Somes Bar); Klamath-Siskiyou Region 152 Comment
  JEPS44706  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1929-8-25 8661 Humboldt Trinity River Valley at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC666857  Cercocarpus ledifolius var. ledifolius Joseph P. Tracy 1935-7-30 14362 Humboldt Salmon Summit, about 2 mi sw of the top of the mountain Salmon Summit 1767 Comment
  RSA0038422  Chamaecyparis lawsoniana James R. Shevock 1972-3-26 1469 Humboldt Along Highway 299. 365 Comment
  HSC69761  Chamaesyce maculata Thomas W. Nelson, Jane P. Nelson 1977-9-4 3747 Humboldt Willow Creek Comment
  JEPS52356  Chamaesyce serpyllifolia Joseph P. Tracy 1916-9-5 4769 Humboldt 4 mi above mouth of river; Nothern Coast Ranges, South Fork of Eel River Comment
  UC1198974  Chamaesyce serpyllifolia Joseph P. Tracy 1931-10-12 9728 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC166040  Chamerion angustifolium subsp. circumvagum Peter H. Raven; R. Snow 1958-7-21 13651 Humboldt 2.9 miles south of Ferndale on road to Cape Mendocino Comment
  HSC54583  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-7-24 9635 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54860  Chamerion angustifolium subsp. circumvagum G. L. Clifton, Griswold 1979-7-25 10761 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC68262  Cheilanthes gracillima J. H. Thomas 1949-6-13 923 Humboldt Six Rivers National Forest - along trail between Le Perron Flat and Whiteys Peak (East of town of Orleans). 1828 Comment
  HSC97579  Cheilanthes gracillima Cara Witte 2007-5-23 97 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 0.5 mi. south of intersection with 5N04 and 4N32E. 1402 Comment
  UC197914  Cheilanthes gracillima Joseph P. Tracy 1908-7-3 2765 Humboldt opposite Buck Mt (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 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
  CHSC69501  Chenopodium rubrum var. rubrum Vernon Oswald; Lowell Ahart 1997-9-4 8846 Humboldt North Coast Region, Coastal Strand. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  HSC76597  Chimaphila menziesii Teresa Prendusi 1981-7-9 199 Humboldt Near Cedar Camp. 1268 Comment
  HSC54228  Chimaphila umbellata Griswold, Butler 1979-7-12 7294 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  RSA467024  Chimaphila umbellata subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  RSA467018  Chimaphila umbellata subsp. occidentalis A. C. Life 1924-2-23 14589 Humboldt Kings Mts.,Redwood Park. Comment
  SEINET3992219  Chlorogalum pomeridianum Unknown 1946-7-7 17611 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  SEINET3992227  Chlorogalum pomeridianum Unknown 1946-7-7 17611 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UCD138429  Chlorogalum pomeridianum Joseph P. Tracy 1946-7-7 17611 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  JEPS50839  Chlorogalum pomeridianum var. pomeridianum Wayne Roderick 1966-6-18 Humboldt ca 3 road mi n Bridgeville 762 Comment
  CAS-BOT-BC237976  Chloropyron maritimum subsp. maritimum J. D. Ackerman 1975-8-2 615 Humboldt Humboldt Bay, across from Murray Field (Eureka Airport). Near railroad tracks and hwy. 101 Comment
  HSC41307  Chrysolepis chrysophylla Brad Klipfel 1974-7-23 470 Humboldt Horse Mountain Comment
  HSC98785  Chrysolepis chrysophylla var. chrysophylla Cara Witte 2007-9-14 649 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1649 Comment
  UCD110100  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt South Fork Mountain: barren rocky places along summit near Blake lookout. 1706 Comment
  UC562732  Cicendia quadrangularis Joseph P. Tracy 1935-5-25 13902 Humboldt Dobbyn Creek 152 Comment
  JEPS155  Cicuta douglasii W. L. Jepson 1936-8-17 17930 Humboldt s of Salmon Creek Comment
  HSC70726  Circaea alpina subsp. pacifica Gail Newton 1980-7-14 1521 Humboldt Near Deadman Ridge 1097 Comment
  HSC100575  Circaea pacifica Carl C. Marshall Jul 1886 348 Humboldt Xavier's Place, Bald Hills. Comment
  JEPS59187  Cirsium arvense W. L. Jepson 1936-8-17 17927 Humboldt 3 mi s Fields Landing Comment
  HSC104074  Cirsium arvense T. Collins 2002-7-31 Humboldt Six Rivers National Forest; along road cut on Hwy. 36 Comment
  UCSB15303  Cirsium arvense Breedlove, Dennis 1961-7-4 Humboldt Mad River, 1 mile east of Blue Lake on U.S. Highway 299 243 Comment
  HSC39168  Cirsium brevistylum D. E. Anderson, J. P. Smith 1971-6-28 1235 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  CDA15023  Cirsium brevistylum B. Villegas 1998-8-4 s.n. Humboldt North Coast Ranges; Hwy 299 between mileposts 21.50 and 18, near Willow Creek. 0 Comment
  UCD130605  Cirsium douglasii var. breweri H. E. Parks; S. T. Parks 1947-6-1 24441 Humboldt South Fork Camp, Willow Creek. Comment
  RSA0070852  Cirsium occidentale var. candidissimum C. B. Wolf 1934-6-30 5839 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  SEINET5506249 Image available Cirsium remotifolium var. odontolepis Joseph P. Tracy 1949-8-11 18472 Humboldt E of headwaters of Redwood Creek, beginning where powerline crosses and going South; Kinsey Ridge; S from Grouse Mtn, 2 to 6 Mi 1280 Comment
  CAS-BOT-BC439048  Cistanthe monosperma Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt., near Orleans 1828 Comment
  UC183664  Clarkia amoena Joseph P. Tracy 1912-7-21 3758 Humboldt Alton Northern Coast Region 30 Comment
  HSC63486  Clarkia amoena subsp. huntiana M. A. Baker 1977-6-6 380 Humboldt Along Hwy. 96, Hoopa Indian Res. Comment
  SDSU8656  Clarkia amoena subsp. huntiana D. F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. Comment
  UC20297  Clarkia gracilis subsp. gracilis Harley P. Chandler June, 1901 1363 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  LA47441  Clarkia gracilis subsp. gracilis Joseph P. Tracy; 1913-6-11 4091 Humboldt lower foothills of Buck Mountain, on its NW slope 761 Comment
  HSC32089  Clarkia purpurea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5701 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC144078  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1909-7-31 3030 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC16257  Clarkia purpurea subsp. quadrivulnera R. Spellenberg 1965-6-13 1109 Humboldt E side of Trinity River, about 3/4 mi. S of Hwy. through Hoopa Indian Reservation Comment
  RSA298976  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Bull Creek Region, South Fork Eel River. Summit of Grasshopper Peak 976 Comment
  UC162625  Clarkia rhomboidea Joseph P. Tracy 1911-7-12 3520 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC161024  Claytonia parviflora subsp. parviflora Joseph P. Tracy 1911-6-4 3211 Humboldt 5 mi from coast Little River (along Little River); Northern Coast Region 121 Comment
  HSC26366  Claytonia perfoliata T. O. Osborne 1970-4-5 82 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  CAS-BOT-BC439782  Claytonia perfoliata Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  CAS-BOT-BC439933  Claytonia perfoliata subsp. mexicana Doris K. Kildale 1926-3-21 1583 Humboldt Kneeland Prairie - summit 853 Comment
  RSA276888  Claytonia perfoliata subsp. mexicana C. Fellows 1972-4-29 480 c Humboldt 8 miles ESE of Eureka, 3.1 miles above the town of Freshwater on the W side of the road to Kneeland, alt 20m below the road (and the dump). 610 Comment
  CAS-BOT-BC440091  Claytonia perfoliata subsp. perfoliata J. M. Miller 1974-6-3 367 Humboldt Horse Mountain, ca. 150 m N. of the junction between Forest Rds. 5N10 and 6N01. On the road shoulder of 5N10. 1371 Comment
  UC673002  Claytonia perfoliata subsp. perfoliata Joseph P. Tracy 1927-5-15 8036 Humboldt near South Fork; Trinity River Valley 182 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
  HSC55187  Claytonia sibirica G. L. Clifton, Griswold 1979-8-2 12246 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC59580  Claytonia sibirica Rick Lundquist 1979-4-6 1 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  UC1136740  Claytonia sibirica H. L. Person 1932-8-8 Humboldt Freshwater; Eureka Quad. Comment
  UCR275110  Claytonia sibirica Charity A. Hartshorn 2016-5-14 32 Humboldt Arcata Community Forest 244 Comment
  CAS-BOT-BC443904  Claytonia sibirica D. E. Breedlove 1961-7-4 663 Humboldt On north bank of the Mad River, 1 mile east of Blue Lake on U.S. Highway 299 243 Comment
  HSC4886  Claytonia sibirica J. O. Sawyer 1968-9-11 732 Humboldt Along Mill Creel 1524 Comment
  RSA117688  Claytonia sibirica S. S. Tillett 1956-7-5 603 Humboldt Along State Hwy 96, above Klamath River, 2 miles S of Orleans. 152 Comment
  SEINET11942406  Claytonia sibirica H. P. Chandler 1901-1 1264 Humboldt North Coast Ranges, Redwood Belt 152 Comment
  HSC24332  Claytonia washingtoniana C. E. Fellows 1970-4-19 257 Humboldt 4.5 mi. S of Orick, 1/4 mi. E of Hwy. 101 on old Hwy. 101 Comment
  HSC18086  Clematis lasiantha Doris K. Kildale 1925-6-27 771 Humboldt Mouth of Yager Creek Comment
  UC1196208  Clematis ligusticifolia Joseph P. Tracy 1937-7-11 15424 Humboldt along river Garberville 152 Comment
  CAS-BOT-BC499341  Clintonia andrewsiana Doris K. Kildale 1926-7-22 2413 Humboldt Metropolitan, woods near Canyon Peak Comment
  SEINET12047066  Clintonia andrewsiana Unknown 1972-1 s.n. Humboldt Humboldt State University Forest, W of campus with city limits of Arcata 198 Comment
  SEINET12050373  Clintonia andrewsiana F. H. Utech 1988-1 88 -295 Humboldt 1.5 mi N of Orick on US 101 & 0.5 mi SE on Bald Hills Rd enroute to Schoolhouse Peak 400 Comment
  HSC101087  Coincya monensis Andrea Pickart 2009-2-20 729 Humboldt Manila Dunes; End of Lupine Ave., Manila 15 Comment
  UC41802  Collinsia grandiflora W. C. Blasdale 1896-6-7 Humboldt Kneeland's 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
  UC1196756  Collinsia linearis Joseph P. Tracy 1930-7-23 9140 Humboldt lower slopes of Horse Mountain Horse Mountain 1066 Comment
  HSC102536  Collinsia parviflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1522 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC32323  Collinsia parviflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5664 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC22842  Collinsia rattanii D. E. Anderson, J. P. Smith, J. O. Sawyer 1970-5-10 5063 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  JEPS26356  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1916-5-2 4685 Humboldt garden Eureka; North Coast Ranges 762 Comment
  UC427878  Collinsia sparsiflora var. sparsiflora H. E. Parks and J. P. Tracy 1930-5-25 792 Humboldt Larabee Valley 792 Comment
  HSC100663  Collinsia tenella Carl C. Marshall Apr 1887 369 Humboldt Hoopa Valley. Comment
  UC582445  Collinsia torreyi var. wrightii Joseph P. Tracy 1930-7-17 9014 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  JEPS7056  Collinsia torreyi var. wrightii Joseph P. Tracy 1933-7-16 12777 Humboldt near McKay Camp; South Fork Mtn 1676 Comment
  HSC58012  Collomia heterophylla G. L. Clifton 1979-7-31 11810 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC45808  Collomia heterophylla J. P. Smith, Steve Selva 1970-6-30 4139 Humboldt Comment
  HSC96927  Collomia heterophylla Elizabeth Kimbrough, Whitney Meier 2007-6-13 8 Humboldt Grouse Mtn., 1 mi. E of NF1 on USFS 5N04 1524 Comment
  JEPS26235  Collomia tracyi Joseph P. Tracy 1939-8-5 16372 Humboldt Dinsmore's Van Duzen River (in sand bar) 737 Comment
  UC1197866  Collomia tracyi Joseph P. Tracy 1946-6-15 17566 Humboldt broken rock talus on lower slopes Horse Mountain 1066 Comment
  UC673121  Collomia tracyi Joseph P. Tracy 1940-7-7 16670 Humboldt on rocky banks Grouse Mt. 1463 Comment
  HSC33175  Conyza canadensis Thomas W. Nelson 1973-8-19 1113 Humboldt McKeown Ranch N of Dinsmore Comment
  CAS-BOT-BC181556  Coptis laciniata Charlotte M. Hoak 1931-7-12 s.n. Humboldt Noyo, Northspur, 2nd bench back, southern limit Prairie Camp Comment
  HSC100900  Coptis occidentalis Carl C. Marshall Apr 1887 374 Humboldt Supply Creek. 610 Comment
  CAS-BOT-BC133715  Corallorhiza Doris Kildale Gillespie 1931-6-7 10659 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC39677  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson 1976-6-16 2745 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  HSC45237  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3516 Humboldt Trail above Alder Springs 1585 Comment
  RSA20798  Corallorhiza maculata Carl B. Wolf 1937-8-13 9263 Humboldt North Coast Range, 12 mi. E. of Hoopa Valley on New Road toward Trinity Summit. 1677 Comment
  HSC90429  Cordylanthus maritimus subsp. palustris Jean Hanson 1980-6-22 98 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  HSC90781  Cordylanthus maritimus subsp. palustris Peter Sorensen 1976-6-16 Humboldt Woodley Island. 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
  CAS-BOT-BC101146  Corethrogyne filaginifolia Marcus E. Jones 1931-8-2 29133 Humboldt McKinleyville Comment
  SD42327  Cornus californica Carl B. Wolf 1937-8-13 9251 Humboldt 11 miles east of Hoopa Valley on new road towards Trinity Summit. 1670 Comment
  HSC44069  Cornus nuttallii Thomas W. Nelson, Jane P. Nelson 1977-7-1 3560 Humboldt Along Blanket Creek tributary. 1463 Comment
  UC154072  Cornus nuttallii Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5635 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  UC35022  Cornus nuttallii Chesnut and Drew 1888-7-9 Humboldt Kneeland Prairie Comment
  JEPS50152  Cornus sericea subsp. sericea Lincoln Constance 1934-6-11 844 Humboldt trail along e. bank S. Fork Eel R., N. Dyerville Flat Bull Creek Region, S. Fork Eel R., N. Dyerville Flat Comment
  RSA46844  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat. Comment
  RSA186851  Cortaderia jubata T. C. Fuller 1966-10-4 15238 Humboldt 1100 acres, slope N above headquarters of Georgia Pacific Lumber Co. Comment
  CAS-BOT-BC180314  Corylus cornuta subsp. californica L. B. Kildale 1927-7-10 3734 Humboldt Gans Prairie - Bold Hills road Comment
  HSC56977  Corylus cornuta subsp. californica Overton, Butler 1979-7-23 9512 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC104410  Corylus cornuta subsp. californica Adam N. Canter 2017-6-15 9 Humboldt Near Fields Landing; Humboldt Hill, Spring Street 100 Comment
  POM270388  Corylus cornuta var. californica Lyman Benson 1927-7-12 621 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  SEINET3817853  Cotula coronopifolia C. L. Hitchcock, J. S. Martin 1939-7-14 5434 Humboldt Pool on cliff above pier at shelter cove Comment
  HSC77512  Crassula connata K. Berg 1984-4-8 520 Humboldt South spit of Humboldt Bay, 1.4 mi. S of South Jetty, E of road Comment
  UC1198827  Crassula connata var. subsimplex Joseph P. Tracy 1940-4-7 16528 Humboldt near Samoa on Humboldt 6 Comment
  SEINET200990  Crataegus douglasii J. P. Tracy 1931-4-26 9335 Humboldt Trinity River Valley at Willow Creek 152 Comment
  POM301287  Crataegus suksdorfii Joseph P. Tracy 1948-9-12 18205 Humboldt Box Camp Meadow, Trinity summit. 1463 Comment
  UC1071676  Crepis capillaris H. L. Person 1932-7-19 Humboldt Lindsay Creek Eureka Quadrangle Comment
  UC1787277  Crepis capillaris G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6998 Humboldt North coastal strand.: North spit of Samoa Peninsula, 0.5 mi N of CA-225 bridge over Humboldt Bay. 6 Comment
  HSC5459  Crocidium multicaule H. E. Parks 1930-5-25 867 Humboldt Laribee Valley 762 Comment
  UC427860  Crocidium multicaule H. E. Parks, J. P. Tracy 1930-5-25 867 Humboldt Laribee Valley Comment
  UC581741  Crocidium multicaule Joseph P. Tracy 1933-5-21 12212 Humboldt McClellan Mountain Northern Coast ranges, McClellan Mountain 822 Comment
  SEINET12145336  Croton setiger E. A. York 1990-1-10 2702 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC100402  Cryptantha Carl C. Marshall 428 Humboldt Perrington. Comment
  HSC3567  Cryptantha affinis H. E. Parks, J. P. Tracy 1934-6-27 11059 Humboldt Grouse Mtn. 1433 Comment
  HSC58047  Cryptantha affinis G. L. Clifton, Griswold 1979-8-1 11906 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC58318  Cryptantha affinis Overton, Butler 1979-8-2 12606 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  POM174073  Cryptantha flaccida Joseph P. Tracy 1918-7-6 5047 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  UC1222276  Cryptantha flaccida Joseph P. Tracy 1950-6-15 18810 Humboldt n of Harris (Fort Seward Ranch); Mail Ridge Comment
  JEPS39837  Cupressus lawsoniana W. L. Jepson 1902-6 2131 Humboldt Three Creeks to summit of ridge (on grade to Redwood Creek) 914 Comment
  HSC73699  Cuscuta californica M. A. Baker 1980-7-15 2970 Humboldt Near Whiting Ridge. 1341 Comment
  HSC98680  Cuscuta californica Cara Witte 2008-7-2 793 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  HSC44543  Cuscuta occidentalis Brad Klipfel 1973-7-15 162 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET943383  Cuscuta salina var. major C. C. Harris, S. K. Harris 1941-1 1175 Humboldt In Illinois Biol. Monogr. Vi. 161, fig. 32 a-e, 121, 140 (1921) et in Mem. Torrey Bot. Club, xviii. 168, fig. 42 F (1932). Comment
  HSC82128  Cycladenia humilis D. K. Imper 1985-6-18 Humboldt At ridgetop 1.5 mi. N of Whitey's Peak 1707 Comment
  HSC100845  Cynodon dactylon J. P. Smith, J. O. Sawyer 2009-10-4 12687 Humboldt Edge of parking lot at Ma-Le'l Dunes BLM Co-op Management Area 7 Comment
  UC1239625  Cynoglossum grande Joseph P. Tracy 1933-6-13 12564 Humboldt near summit on rd. from Hoopa westward to Bair's (Hoopa Mt.); Hoopa Mt. 1066 Comment
  BLMAR320  Cynosurus cristatus Jennifer Anthony-Wheeler 2002-8-9 320 Humboldt Lost Coast Headland, Growing near pond in lost Coast headlands 121 Comment
  UCD60132  Cynosurus cristatus R. Tofsrud 1949-7-1 s. n. Humboldt South edge of Scotia. Comment
  HSC65448  Cynosurus echinatus J. P. Smith 1973-5-26 6795 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC69630  Cynosurus echinatus R. Kalal 1980-6-3 29 Humboldt Junction of Spring St. and Hill St., Arcata 43 Comment
  UC1145090  Cynosurus echinatus Joseph P. Tracy 1941-6-29 16920 Humboldt McClellan Mt. 762 Comment
  UCD60167  Cynosurus echinatus R. Tofsrud 1948-7-1 s. n. Humboldt Bluffs above Capetown. Comment
  HSC45955  Cyperus eragrostis J. P. Smith, Steve Selva 1970-6-14 3823 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC45552  Cyperus eragrostis J. P. Smith 1971-10-9 4990 Humboldt Mad River above the Fish Hatchery. Comment
  CAS-BOT-BC113832  Cyperus niger var. capitatus Joseph Prince Tracy 1938-8-14 16113 Humboldt South Fork of Trinity River, mountain slopes west of its mouth. 304 Comment
  CAS-BOT-BC114059  Cyperus squarrosus Joseph Prince Tracy 1931-9-7 9662 Humboldt Damp sand bars along river. Trinity River Valley at Willow Creek. 152 Comment
  CDA36734  Cytisus scoparius Richard R. Halse 2010-3-25 7856 Humboldt Along U.S. Hwy 101 ca. 9.7 miles south of Orick. Comment
  CHSC110734  Cytisus scoparius Dean Wm. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm, vicinity of the road crossing of Knack Creek 341 Comment
  HSC14663  Cytisus scoparius var. andreanus T. M. Mingo May 1965 Humboldt 4 mi. N of College Cove Comment
  UC552787  Danthonia californica Joseph P. Tracy 1935-6-23 13965 Humboldt French Camp Ridge 1066 Comment
  RSA10086  Danthonia californica var. americana Joseph P. Tracy 1931-5-31 9548 Humboldt Kneeland Prairie 793 Comment
  UC526685  Danthonia californica var. americana Joseph P. Tracy 1928-6-24 8463 Humboldt valley of South Yager Creek Northern Coast Ranges 762 Comment
  UCD60966  Danthonia californica var. americana R. Tofsrud 1948-9-3 Humboldt Border of Clear Lake, on road from Horse Mt. to Grouse Mt. 1371 Comment
  UC1103251  Danthonia unispicata H. E. Parks and Joseph P. Tracy 1934-6-14 11028 Humboldt Horse Mt. Northern Coast Ranges 1371 Comment
  HSC104098  Darlingtonia californica Monica Rodriguez, William A. Worley 2015-3-21 24 Humboldt Along South Fork Rd, 8.9 mi. from 199 Redwood Hwy. Comment
  HSC102522  Delphinium decorum subsp. tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1509 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UCD95863  Delphinium hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC552299  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1934-4-8 13174 Humboldt between Miranda and Redway; North Coast Ranges, South Fork Eel River 91 Comment
  HSC98842  Delphinium nudicaule Cara Witte 2007-5-23 107 Humboldt Near Grouse Mtn. Along 4N32. Approximately 0.5 mi. S of intersection with 5N04 and 4N32E. 1398 Comment
  RSA46895  Delphinium nudicaule Doris K. Kildale 1927-5-15 3164 Humboldt Petrolia Comment
  HSC44525  Delphinium nuttallianum Brad Klipfel 1973-7-1 133 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC70229  Delphinium nuttallianum M. A. Baker 1980-6-8 1897 Humboldt Near Buck Flat. 1554 Comment
  OBI35868  Delphinium trolliifolium David J. Keil 1983-7-2 17344 Humboldt 21 mi S of SR 299 along Titlow Hill Rd, SW of Willow Crk Comment
  HSC35350  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 489 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  UC1299388  Delphinium trolliifolium Freed W. Hoffman 1946-5-20 964 Humboldt hills near Capetown Comment
  UC34132  Deschampsia cespitosa subsp. beringensis Joseph Burtt Davy and Walter C. Blasdale Aug. 1899 6213 Humboldt Eureka Comment
Read comments
Sep 27 2007
  CAS-BOT-BC194299  Deschampsia cespitosa subsp. cespitosa David D. Keck 1938-8-5 4773 Humboldt Big Lagoon Comment
  UC1103219  Deschampsia danthonioides Joseph P. Tracy 1914-5-30 4477 Humboldt Alton Northern Coast Ranges, Alton 30 Comment
  UC1103220  Deschampsia danthonioides Joseph P. Tracy 1912-7-31 3896 Humboldt n.w. slope Buck Mt.; Northern Coast Ranges, Burr Valley, Buck Mt. 1066 Comment
  HSC102102  Deschampsia elongata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1005 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC9602  Deschampsia elongata True Hoyle 1967-7-24 29267 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass Comment
  HSC44257  Dicentra formosa J. Walker 1977-4-23 8 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC1196309  Dicentra formosa Joseph P. Tracy 1921-3-13 5422 Humboldt Alton; Northern Coast Region 30 Comment
  SJSU1033  Dicentra formosa A. C. Browne 1950-5-23 Humboldt Weott Comment
  CAS-BOT-BC402414  Dicentra formosa subsp. formosa N. Wynne; M. Peckham; J. Bamesberger 1994-5-6 41 Humboldt Intersection of Hwy 299 and Redwood Valley Rd on south side of Hwy 299 609 Comment
  UC176624  Dichelostemma X venustum Joseph P. Tracy 1913-6-26 4351 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC162603  Dichelostemma ida-maia Joseph P. Tracy 1911-7-7 3438 Humboldt near Brannan Mountain summit (viz ridge n of Willow Creek, between Willow Creek and Campbell Creek); Northern Coast Ranges 1219 Comment
  SD58400  Dichelostemma venustum Milo S. Baker 1923-7-28 138 d Humboldt Locality given as: growing within a few feet of Brodiaea Collector's #137.; not in our database at present 3/19/08; ?Baker Collector's #137 in our collection. Comment
  SD90195  Digitalis purpurea Benjamin C. Stone 1952-6-25 137 Humboldt 15 miles south of Klamath. 14 Comment
  SEINET12269089  Digitalis purpurea K. S. Erdman 1970-1 4770 Humboldt Counts Hill Prairie on Bald Hill Rd Se of Orick 13 mi 853 Comment
  CAS-BOT-BC150350  Diplacus aurantiacus L. R. Abrams 1916-7-18 6072 Humboldt Fortuna Comment
  SEINET8733128 Image available Diplacus aurantiacus H. E. Parks, S. T. Parks 1951-1 s.n. Humboldt Along bay shore near landing. Trinidad. Comment
  SEINET8208225  Diplacus kelloggii Marshall Ross 1942-5-5 1255 Humboldt Trinity National Forest; Hoopa Indian Reservation; 4.6 miles north of Hoopa. 244 Comment
  CAS-BOT-BC153323  Diplacus layneae Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 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
  RSA183538  Disporum smithii H. S. Logsdon 1964-5-10 2 Humboldt 4.0 miles N.E. of Orick at Boye s Prairie Comment
  UC249802  Distichlis spicata Joseph P. Tracy 1923-6-19 6286 Humboldt Mouth of Davies Creek Comment
  RSA46481  Dodecatheon hendersonii Doris K. Kildale 1927-3-20 2908 Humboldt Phillipsville Comment
  UC1198623  Dodecatheon hendersonii Joseph P. Tracy 1933-7-11 12702 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC562464  Dodecatheon hendersonii Joseph P. Tracy 1927-4-2 7879 Humboldt facing South Fork of Eel River Northern Coast Ranges, fcg South Fork Eel River (Phillipsville) 121 Comment
  UC28972  Downingia elegans Chesnut and Drew Aug 1888 Humboldt Comment
  POM47623  Downingia yina J. B. Feudge 1923-7-29 108 Humboldt Rohnerville. 15 Comment
  HSC103110  Drosera rotundifolia M. Mesler 2010-7-15 833 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  HSC35347  Drymocallis glabrata A. M. Montalvo, J. D. Ackerman 1975-6-22 480 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  HSC18764  Drymocallis glandulosa J. E. Lankila 1962-5-6 10 Humboldt West bank of Eel River across form Shively about 500 ft. from Bear Creek Comment
  CAS-BOT-BC159612  Drymocallis glandulosa var. glandulosa C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC159614  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1926-5-9 1993 Humboldt Kneeland Prairie 762 Comment
  HSC58143  Drymocallis lactea var. lactea Gilbert Muth 1979-8-1 12169 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC32345  Drymocallis rhomboidea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5638 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  POM281673  Dryopteris expansa Lyman Benson 1929-7-18 1847 Humboldt Weott Rangr station, Redwoods flat Comment
  HSC26463  Dudleya farinosa T. O. Osborne 1970-7-18 21 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  HSC7297  Dulichium arundinaceum D. E. Anderson 1962-9-14 2340 Humboldt Fish Lake area Comment
  JEPS19987  Dulichium arundinaceum Joseph P. Tracy 1938-9-25 16173 Humboldt Bald Mountain at Lake Prairie Bald Mountain; , Lake Prairie 1066 Comment
  HSC4390  Dysphania pumilio D. E. Anderson 1962-7-19 2277 Humboldt Lanphere's Ranch Comment
  HSC100405  Echinospermum Carl C. Marshall Jun 1886 317 Humboldt Trail E of Hoopa. Comment
  RSA152345  Eleocharis acicularis var. acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow s Prairie. 61 Comment
  HSC90658  Eleocharis macrostachya Gail Newton 1982-6-10 3640 Humboldt Elk River Wildlife Area, Eureka Comment
  CAS-BOT-BC112838  Eleocharis macrostachya David Daniels Keck 1938-8-5 4768 Humboldt Big Lagoon, on shore in drying clay mud. Comment
  UC1103658  Eleocharis macrostachya Joseph P. Tracy 1938-6-15 15929 Humboldt 3 mi S of Fields Landing (Salmon Creek Flats) 6 Comment
  UCD49791  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt Humboldt County. In drainage ditch along east side of State Route 101 just north of the Eureka Airport. Comment
  HSC96491  Eleocharis pachycarpa Gordon Leppig 1998-7-19 979 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  HSC38635  Elymus X vancouverensis D. E. Anderson, J. P. Smith 1971-6-28 - 1260 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC32330  Elymus elymoides var. californicus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5634 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC40317  Elymus glaucus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2912 Humboldt Along NW side of Lassic Peak (Signal Peak). 1738 Comment
  OBI37800  Elymus glaucus David J. Keil 1983-7-1 17280 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats rd Comment
  UC113202  Elymus glaucus Joseph P. Tracy 1919-9-18 5254 Humboldt McKay Prairie Northern Coast Ranges, Trinity Summit 1524 Comment
  UCD61892  Elymus glaucus A. H. Shunk 1923-7-21 Humboldt Bridgeville. Comment
  UCD62258  Elymus glaucus Freed W. Hoffman 1946-5-19 1729 Humboldt Mattole River. Comment
  HSC45112  Elymus glaucus subsp. glaucus R. Sutherland 1978-4-25 8 .25478 Humboldt 9 Comment
  HSC58601  Elymus glaucus subsp. glaucus G. L. Clifton, Griswold 1979-7-25 10826 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC99475  Elymus glaucus subsp. glaucus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 131 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC526795  Elymus glaucus subsp. jepsonii Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  CDA18995  Epilobium canum subsp. latifolium P. Haggard 2000-9-18 PDR P 071016 Humboldt Along U.S.F.S Rd. 1, in the vicinity of Blue Lake. 0 Comment
  HSC16551  Epilobium canum subsp. latifolium D. E. Anderson 1963-9-21 2836 Humboldt 0.5 mi. E of Willow Creek Comment
  HSC41821  Epilobium canum subsp. latifolium Thomas W. Nelson, Jane P. Nelson 1977-8-6 3722 Humboldt Between Blanket Creek and Bear Creek just below Blanket Rock 1494 Comment
  HSC55351  Epilobium canum subsp. latifolium Griswold, Butler 1979-7-12 7272 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  POM225511  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-12 14379 Humboldt Willow Creek Comment
  UC169921  Epilobium ciliatum subsp. ciliatum Harley P. Chandler June, 1901 1530 Humboldt Klamath River North Coast Ranges 304 Comment
  HSC12762  Epilobium ciliatum subsp. ciliatum M. J. Athey 1970-10-12 17 Humboldt Between Moonstone and Luffenholtz beaches on old Rd. to Trinidad Comment
  POM271563  Epilobium ciliatum subsp. ciliatum Lyman Benson 1928-7-12 467 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  RSA32869  Epilobium ciliatum subsp. ciliatum A. A. Heller 1923-7-6 13767 Humboldt Humboldt Camp 10 miles south of Dyerville. Comment
  UC161071  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1911-7-5 3323 Humboldt along creek near mouth (creek is tributary of Trinity River); Northern Coast Ranges, Willow Creek 304 Comment
  UC562507  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1933-8-30 13028 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC54670  Epilobium foliosum Overton, Butler 1979-7-25 9908 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  POM247179  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1936-8-7 15102 Humboldt Trinity Summit, head of Hors-Linto Creek 1524 Comment
  SEINET12191481  Epilobium glaberrimum subsp. glaberrimum J. P. Tracy 1950-1 19272 Humboldt on trail b/w Box Camp and Croghan Hole, 2 mi E of Box Camp, Trinity Summit Comment
  HSC99418  Epilobium hallianum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 67 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
  UC1197009  Epilobium hallianum Joseph P. Tracy 1936-6-28 15028 Humboldt Lake Prairie Bald Mountain 1219 Comment
  UC505113  Epilobium hallianum Joseph P. Tracy 1927-7-17 8274 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower w foothills of mt., borders of pond) 457 Comment
  HSC98676  Epilobium hornemannii subsp. hornemannii Cara Witte 2007-6-21 324 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  HSC103079  Epilobium minutum Sydney Carothers 2014-6-12 12 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  HSC73789  Epilobium minutum Gail Newton 1980-6-28 704 Humboldt Near Mad River Butte. 1536 Comment
  HSC97478  Epilobium minutum C. Witte 2007-5-23 87 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  UCR45444  Epilobium minutum N. Meiselman, M. Bransom, D. Brown, Ron Hildebrandt 1986-4-19 28 Humboldt North Coast Range, Horse Mountain, 0.5 mi. down Titlow Road from Ski Area 1372 Comment
  HSC71824  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-27 5938 Humboldt Along old trail to pond above Alder Spring, 0.5 mi. N of campground 1555 Comment
  UC583070  Epilobium minutum P. A. Munz 1936-8-13 14382 Humboldt 10 mi w Willow Creek Comment
  UC503074  Equisetum hyemale subsp. affine Joseph P. Tracy 1927-8-7 8316 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1239790  Equisetum laevigatum Joseph P. Tracy 1931-3-26 9292 Humboldt near Alton (river bar of Van Duzen River); Northern Coast Region 30 Comment
  CAS-BOT-BC57793  Equisetum telmateia Joseph P. Tracy 1937-6-26 15361 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC880  Equisetum telmateia subsp. braunii D. B. Bader 1963-3-1 10 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  POM118344  Equisetum telmateia var. braunii Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA53832  Eragrostis hypnoides Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  SEINET200658 Image available Eragrostis hypnoides Joseph P. Tracy 1931-9-7 9663 Humboldt Damp sand bar along river Trinity River Valley at Willow Creek 152 Comment
  RSA20844  Erechtites glomeratus C. B. Wolf 1937-6-18 8884 Humboldt Table Bluff between Humboldt Bay and Eel River 30 Comment
  HSC40254  Erechtites minimus Linda M. Barker 1976-8-2 1677 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  JEPS52495  Eremocarpus setiger Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC205183  Ericameria greenei Joseph P. Tracy 1919-9-22 5273 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit (open places in shasta fir belt) 1889 Comment
  SEINET5708560 Image available Erigeron aliceae Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6106 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 leafhand 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 (7N04), travel 1.5 miles to another fork; continue on 7N04 (the left fork) for 7.4 miles. At this point, take 7N04N, the road to Groves Prairie. The collections site is a short distance up this road. Comment
  CAS-BOT-BC300674  Erigeron foliosus var. mendocinus Alice Eastwood; John Thomas Howell 1937-6-22 4731 Humboldt Near Alder Point Comment
  HSC39954  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt 3 mi. W of Arcata Comment
  UCD132006  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC581715  Erigeron inornatus var. inornatus Joseph P. Tracy 1933-8-6 12935 Humboldt French Camp Ridge 1066 Comment
  HSC99348  Erigeron inornatus var. inornatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  HSC58125  Erigeron klamathensis Gilbert Muth 1979-8-1 12111 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1878 Comment
  POM54263  Erigeron philadelphicus H. P. Chandler 1901-06 1402 A Humboldt Klamath River. Comment
  UCSB30600  Erigeron philadelphicus Edwards, David 1974-7-26 Humboldt Dirt road above E. bank of Mad River, at this junction with Puter Creek, ca. 2 mi. SW. of Korbel 27 Comment
  CAS-BOT-BC300280  Erigeron strigosus var. strigosus H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  HSC55092  Eriogonum compositum G. L. Clifton, Griswold 1979-7-31 11779 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CHSC55905  Eriogonum latifolium L. P. Janeway 1987-7-31 2539 Humboldt Vicinity of Eurekal North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC35859  Eriogonum latifolium Thomas W. Nelson, James Nelson 1975-8-5 2136 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  POM319175  Eriogonum latifolium Patricia Wilder 1968-8-21 4400 Humboldt Northern coastal arm of Humboldt Bay, ca. 2 miles SW of Samoa. Humboldt Bay drainage area. 8 Comment
  RSA393624  Eriogonum latifolium E. A. Purer 1932-7-27 4149 Humboldt Near Samoa, near Arcata Comment
  UC146156  Eriogonum latifolium J. P. Tracy 1904-7-4 2115 Humboldt vicinity Eureka (bluff at Bucksport); Bucksport 0 Comment
  CAS-BOT-BC259285  Eriogonum lobbii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC259533  Eriogonum luteolum var. luteolum L. R. Abrams 1916-7-11 6069 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC259542  Eriogonum luteolum var. luteolum Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  UC6566  Eriogonum luteolum var. luteolum C. C. Marshall 1888-1 Humboldt Comment
  HSC55268  Eriogonum nudum Overton, Butler 1979-8-2 12638 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC261493  Eriogonum nudum var. nudum Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  BLMAR218  Eriogonum nudum var. nudum Jennifer Anthony-Wheeler 1996-7-9 218 Humboldt Pilots ridge., abundant found on dry open areas 1280 Comment
  JEPS56635  Eriogonum nudum var. nudum Lincoln Constance 1934-5-24 626 Humboldt s slope of Lower Look Prairie South Fork Eel River, Bull Creek Region, Lower Look Prairie 121 Comment
  UC1198140  Eriogonum nudum var. nudum Joseph P. Tracy 1930-7-4 9929 Humboldt near. on raod from Bull Creek to Mattole Windy Nip Gap 762 Comment
  UC6392  Eriogonum nudum var. oblongifolium Harley P. Chandler June, 1901 1442 Humboldt Klamath River North Coast Ranges, Klamath River 304 Comment
  HSC25980  Eriogonum nudum var. oblongifolium Thomas W. Nelson 1970-9-3 231 Humboldt Beside Mad River Comment
  SEINET11938140  Eriogonum nudum var. pubiflorum J. P. Tracy 1950-1 19320 Humboldt along Klamath River at "Big Bar", just above Slat Creek 122 Comment
  CAS-BOT-BC267473  Eriogonum umbellatum Volney Rattan 1883-6-1 s.n. Humboldt Summit bet. Mad R. & Pilot Cr. Comment
  HSC99560  Eriogonum umbellatum var. argus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 225 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  CAS-BOT-BC444000  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8346 Humboldt Along U.S. Forest Service Road 1 northwest of Grouse Mountain at milepost 14.3, about 10.3 air miles southwest of Sayler 1371 Comment
  SEINET10919209 Image available Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 Reveal 8345 Humboldt Along U.S. Forest Service Road 1 at south end of Whiting Ridge, about 0.5 air miles west-northwest of High Salt Ground and 9.3 air miles west of Hyampom, on serpentine outcrops in an open grassland. T.3N, R5W, sec. 20 NW1/4 of the SE1/4. 1295 Comment
  UC1198155  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1917-9-2 4841 Humboldt Grouse Mountain Northern Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC301009  Eriophyllum lanatum var. achilleoides Harley P. Chandler 1901-5-1 1234 Humboldt North Coast Ranges. Humboldt Bay 30 Comment
  HSC57358  Eriophyllum lanatum var. achilleoides Overton, Butler 1979-7-26 10054 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  JEPS34646  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1921-8-12 5934 Humboldt Big Lagoon Comment
  JEPS34585  Eriophyllum lanatum var. achilleoides Chestnut and Drew 1888-7-12 Humboldt Jarnigans Comment
  UC176857  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1912-7-21 3768 Humboldt Alton Northern Coast Region of California Comment
  CAS-BOT-BC301389  Eriophyllum lanatum var. grandiflorum L. R. Abrams 1918-6-16 7154 Humboldt Willow Creek Comment
  UC165896  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 1/2 Humboldt hillslopes at w side of river near Willow Creek; Northern Coast Ranges, Trinity River 304 Comment
  UC673207  Eriophyllum lanatum var. lanceolatum Lincoln Constance and Reed C. Rollins 1942-5-12 2890 Humboldt 12 mi n Weitchpec; Klamath-Siskiyou Region, Klamath River 121 Comment
  SEINET13944098 Image available Eryngium aristulatum Joseph P. Tracy 1912-1 3777 & 4001 Humboldt Alton, Altitude ca 100 to 300 ft 91 Comment
  UC10526  Erysimum capitatum J. Burtt Davy 1899-6-23 5856 Humboldt Trinity Summit North Coast Ranges Comment
  SFV18510  Erysimum capitatum var. capitatum D. Waller 2002-4-13 33 Humboldt Near Horse Mountain, 3 miles up Titlow Hill Road. 915 Comment
  BLMAR744  Erysimum concinnum Jennifer Wheeler 2015-5-18 744 Humboldt King range, East side of Lost Coast trail approx. 3/4mile from mattole trailhead 30 Comment
  CHSC93444  Erysimum menziesii Vernon H. Oswald 2000-4-3 9911 Humboldt Near the junction of New Navy Base Rd. and the road to Fairhaven on the North spit of Humboldt Bay. 9 Comment
  HSC6782  Erysimum menziesii J. W. Johnson 1962-3-9 1183 Humboldt Samoa Peninsula, on ridges as dune end of trail through Hunt Farm. Comment
  RSA0008580  Erysimum menziesii R. I. Bonn 1965-3-19 10 -a Humboldt 4 miles west of Arcata, on Lanphere Road Comment
  CAS-BOT-BC383051  Erythranthe guttata David B. Lowry 2005-5-16 PCK Humboldt Along Kneeland road, east of Slater Road 709 Comment
  SEINET13754736 Image available Erythranthe nasuta Joseph P. Tracy 1923-1 6218 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC504310  Erythronium californicum Michalski; Raum; Hopson 1987-4-1 87 Humboldt Larabee Buttes Comment
  HSC15487  Erythronium citrinum var. citrinum R. A. Rasp 1964-4-5 29 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  CAS-BOT-BC502714  Erythronium grandiflorum Joseph P. Tracy 1933-7-16 12774 Humboldt Opening in Fir forest near McKay Camp, South Fork Mtn. 1676 Comment
  JEPS88924  Erythronium revolutum Harley P. Chandler Jun 1901 1279 Humboldt Hupa Indian Reservation 1066 Comment
  UC3620  Erythronium revolutum C. C. Marshall 1888-1 Humboldt Comment
  HSC97441  Eschscholzia californica Ivy Watson 2008-10-5 45 Humboldt Blue Lake, 500 m upstream of the Hatchery Rd. bridge. 22 Comment
  RSA168920  Eschscholzia californica subsp. californica Joseph P. Tracy 1950-6-8 18750 Humboldt Cape Mendocino, near ocean shore, south of point of the Cape. At 'Devil's Gate'. 3 Comment
  HSC58769  Eucephalus ledophyllus Terry Griswold 1979-7-26 10299 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC1199300  Eucephalus tomentellus Joseph P. Tracy 1934-8-29 13621 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC552228  Euchiton gymnocephalus Joseph P. Tracy 1935-7-20 14110 Humboldt near Blue Lake (on Trinity Highway); North Coast Ranges 274 Comment
  UC485713  Euchiton sphaericus Joseph P. Tracy 1915-9-12 4677 Humboldt Mouth of Laribee Creek Northern Coast Ranges, Mouth of Laribee Creek 60 Comment
  RSA42022  Euchiton sphaericus H. C. Cantelow 1936-8-29 1567 Humboldt 1 mile off Riv. [High.?] S. Fork Eel River Bridge, 17 miles N of Garberville Comment
  UC183758  Euphorbia crenulata Joseph P. Tracy 1912-7-27 3882 Humboldt Kneeland Prairie; Northern Coast Range 762 Comment
  RSA498945  Euphorbia crenulata M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville. Comment
  UC1198971  Euphorbia crenulata Joseph P. Tracy 1919-5-31 5156 Humboldt near Willow Creek (slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 182 Comment
  HSC100481  Euphorbia dictyosperma Carl C. Marshall Jun 1887 431 Humboldt Perrington Creek on rocks. Comment
  NY263155  Euphorbia occidentalis V. K. Chesnut 1888-7-22 Humboldt Hy-Am-Pum (spelling?) Comment
  UC502956  Euphorbia spathulata Joseph P. Tracy 1929-5-5 8578 Humboldt Miranda Northern Coast Ranges, South Fork of Eel River (slopes and groves along South Fork of Eel River) 121 Comment
  HSC5091  Eurybia radulina H. E. Parks, J. P. Tracy 1930-9-15 769 Humboldt Kneeland Bald Hills Comment
  HSC76339  Eurybia radulina Teresa Prendusi 1981-7-21 277 Humboldt Near Whiteys Peak 1646 Comment
  SEINET3243998  Euthamia occidentalis Joseph P. Tracy 1931-1 9636 Humboldt Lack Pond; in Trinitiy River Valley, opposite mouth of Willow Creek. 152 Comment
  HSC35971  Fallopia convolvulus Thomas W. Nelson, J. O. Sawyer 1975-9-25 2024 Humboldt Beside Hwy. 101 at 11th St. bridge Comment
  HSC91888  Festuca arundinacea E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC9991  Festuca arundinacea D. E. Anderson 1965-9-5 4084 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC70397  Festuca californica M. A. Baker 1980-6-7 1805 Humboldt Near Brush Mtn. 1128 Comment
  HSC76570  Festuca californica Dennis Kearns 1981-6-24 11 Humboldt Near Cedar Camp 1219 Comment
  UC70827  Festuca idahoensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5676 Humboldt Hoopa Mt. Comment
  HSC99020  Festuca occidentalis Cara Witte 2007-6-7 227 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1263 Comment
  HSC9972  Festuca rubra H. E. Parks Jun 1935 11072 Humboldt Buck Mtn. Comment
  HSC9989  Festuca rubra R. H. Berg 1963-4-30 57 Humboldt 1 mi. N of Arcata, on Hwy. 101 Comment
  RSA126629  Festuca rubra H. S. Yates 1936-6-16 5670 Humboldt 1 mile NE of Samoa. 2 Comment
  UC187109  Festuca rubra J. P. Tracy 1907-5-30 1108 Humboldt immediate vicinity Eureka 0 Comment
  UCD66356  Festuca rubra subsp. pruinosa H. S. Yates 1936-6-16 5667 Humboldt 1 mile S.W. of Samoa. 6 Comment
  CAS-BOT-BC282520  Festuca subbiflora Joseph P. Tracy 1901-6-10 1134 Humboldt Eureka 60 Comment
  UC1145204  Festuca subulata Joseph P. Tracy 1936-6-9 14903 Humboldt 4 mi se Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  HSC40975  Fragaria X ananassa Linda M. Barker 1976-6-14 1590 Humboldt 3 mi. W of Arcata Comment
  RSA256572  Fragaria californica A. Montalvo, J. D. Ackerman 1973-4-29 78 Humboldt 2 miles NE of Kneeland on road to Maple Creek. 457 Comment
  HSC47484  Fragaria chiloensis Sheila Logan 1978-4-7 1 Humboldt Samoa sand dunes, 1/4 mi. N of Coast Guard Station. Comment
  POM231291  Fragaria chiloensis D. D. Keck, Jens Clausen 1935-6-16 3390 Humboldt Mouth of Little River. Comment
  HSC18614  Fragaria vesca N. D. Dennis 1965-5-3 38 Humboldt Hwy. 299 on Humboldt Co. line Comment
  HSC45262  Fragaria virginiana M. Alcasas 1978-6-3 120 Humboldt Titlow Hill Rd. 0.8 mi. from Hwy. 299 1113 Comment
  HSC41312  Frangula californica Brad Klipfel 1974-9-2 544 Humboldt Horse Mtn. Comment
  SBBG26928  Frangula californica subsp. californica C. B. Wolf 1934-6-30 5842 Humboldt back of Shelter Cove 60 Comment
  RSA24070  Fraxinus latifolia Carl B. Wolf 1940-11-10 9784 Humboldt Along the Mattole River 3 miles below Upper Mattole P.O. at Miner s Ranch 152 Comment
  HSC100890  Fritillaria Carl C. Marshall Apr 1887 396 Humboldt Hoopa. Comment
  CAS-BOT-BC136029  Fritillaria affinis Doris K. Kildale 1928-5-19 5225 Humboldt Chalk Mountain Comment
  HSC15541  Fritillaria affinis Elrid H. Spinas 1948-6-16 68 Humboldt Horse Mtn. Comment
  SEINET12050370  Fritillaria affinis F. H. Utech 1988-1 88 -285 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, bluff above Van Duzen River 800 Comment
  CAS-BOT-BC422450  Fumaria officinalis Joseph P. Tracy 1949-4-1 18277 Humboldt Eureka 30 Comment
  HSC32861  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 940 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC40954  Galium aparine Linda M. Barker 1976-6-14 1601 Humboldt 3 mi. W of Arcata Comment
  JEPS25681  Galium aparine P. C. Hutchison 1961-5-21 2005 B Humboldt US Hwy 101 1/4 mi s Holbrook Grove boundary (1/2 mi n of Redway, 3 1/4 mi n of Garberville, rocks e of hwy facing nw) 167 Comment
  UC1196099  Galium bifolium Joseph P. Tracy 1939-7-9 16331 Humboldt Snow Camp 1402 Comment
  JEPS25701  Galium bolanderi P. C. Hutchison 1961-5-22 2031 Humboldt high bluffs along road ca. 5.4 mi n Orleans (on US hwy 299, e side of river); Klamath River Comment
  JEPS6692  Galium californicum subsp. californicum Joseph P. Tracy 1927-5-30 8085 Humboldt between Briceland and Redway 182 Comment
  UC1225914  Galium divaricatum Joseph P. Tracy 1946-7-13 17614 Humboldt 5 mi e Carlotta (by old Strong's District School House) 60 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
  HSC31221  Galium muricatum D. E. Anderson 1972-6-20 5727 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC45640  Galium muricatum Diane L. Reed 1978-5-7 57 Humboldt Fourmile Creek, 4 mi. up Friday Ridge Rd. from Hwy. 299 Comment
  JEPS21476  Galium muricatum Francia Chisaki and Gene B. Newcomb 1958-6-23 1164 Humboldt on road to Shelter Cove 4 mi e of its junction with road to Ettersburg; on road to Shelter Cove 579 Comment
  JEPS6683  Galium muricatum Lincoln Constance 1934-5-23 602 Humboldt se slope of mt. above Look Prairie; South Fork Eek River, Bull Creek Region 365 Comment
  POM60798  Galium trifidum Joseph P. Tracy 1906-8-18 2542 Humboldt Eureka. 0 Comment
  HSC44516  Galium triflorum Brad Klipfel 1973-7-1 124 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC169032  Galium triflorum Joseph P. Tracy 1908-6 2862 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  RSA44414  Gamochaeta ustulata H. M. Pollard 1948-7-18 s.n. Humboldt Near Orleans. Comment
  UC562617  Gamochaeta ustulata Joseph P. Tracy 1936-8-23 15163 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  CAS-BOT-BC200579  Garrya buxifolia Carl B. Wolf 1930-10-24 1762 Humboldt Along Klamath River, 1 mile above mouth of Slate Creek 243 Comment
  HSC76357  Garrya buxifolia Denis Kearns 1981-7-6 47 Humboldt Near Mosquito Lake 1122 Comment
  CAS-BOT-BC188546  Garrya elliptica Doris K. Kildale 1926-1-3 1464 Humboldt Big Lagoon road near Trinidad Comment
  HSC12588  Garrya elliptica Gary J. Stebbins 1970-2-2 5 Humboldt Along Clam Beach lagoon rd. off McKinleyville exit with Hwy. 101 Comment
  RSA485907  Garrya elliptica G. Dahling 1973-06 1229 Humboldt Along Highway 101, about ten miles north of Trinidad. Comment
  UC545824  Garrya elliptica H. E. Parks 1933-2 4287 Humboldt Trinidad Comment
  UCR178955  Garrya elliptica R. G. Swinney 1968-4-13 245 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  HSC8399  Garrya fremontii Elrid H. Spinas 1948-5-22 37 Humboldt Horse Mtn. Comment
  RSA120510  Gastridium phleoides S. S. Tillett 1956-7-6 609 Humboldt South slope along Bar Shanty Road, 5 miles from Orleans. 488 Comment
  UC314635  Gaultheria ovatifolia Joseph P. Tracy 1926-6-27 7670 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  CAS-BOT-BC58906  Gaultheria shallon Carl B. Wolf 1930-10-30 1043 Humboldt Old Coast Road, 4 miles south of Thorn 304 Comment
  CAS-BOT-BC58916  Gaultheria shallon Doris K. Kildale; J. W. Gillespie 1929-6-25 8392 Humboldt Pine's Pasture, Eureka Comment
  HSC12945  Gaultheria shallon Steve Dorei 1970-10-9 30 Humboldt Arcata, near NE entrance to Wildlife building on Humboldt State University campus Comment
  HSC59576  Gaultheria shallon Rick Lundquist 1979-5-23 104 Humboldt 3.4 mi. up Fickle Hill Rd. from 11th St. 274 Comment
  RSA46828  Gaultheria shallon Doris K. Kildale 1926-1-3 1465 Humboldt Big Lagoon road near Trinidad. Comment
  OBI14456  Gaultheria shallon H. E. McMinn 1931-6-27 2533 Humboldt Summit above Weitchpec Comment
  HSC16391  Gayophytum diffusum J. P. Tracy 1933-8-30 13045 Humboldt Grouse Mtn. 1524 Comment
  HSC99578  Gayophytum diffusum subsp. parviflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 243 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
  UC1196966  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-7-26 12914 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC505121  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC76214  Gayophytum racemosum Overton, Butler 1979-7-24 9729 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  HSC14650  Genista monspessulana Francis Winter 1960-3-26 Humboldt Samoa Pennisula, 3 mi. N of U.S. Coast Guard Station. Comment
  HSC36597  Gentiana affinis Linda M. Barker, J. O. Sawyer, Thomas W. Nelson 1975-9-4 1307 Humboldt Megwill Point on Elk Head, N of Trinidad in Trinidad State Beach 15 Comment
  UC153983  Gentiana affinis var. ovata J. P. Tracy 1904-8-7 2139 Humboldt immediate vicinity Eureka (open grassy lands) 0 Comment
  JEPS76806  Gentiana plurisetosa Theodore F. Niehaus 1972-8-29 935 Humboldt 0.25 to 0.50 e on right side (s) Trinity Summit Station old horse trail (directly e from crossing of new forest road at Crogan Creek, a tributary of upper Tish-Tang a Tang Creek); Salmon Mts. 1706 Comment
  UC1541480  Gentiana sceptrum H. E. and S. T. Parks 1930-9-14 774 Humboldt Big Lagoon Comment
  UC162717  Gentiana sceptrum Joseph P. Tracy 1911-8-27 3535 Humboldt Eureka Northern Coast Region 0 Comment
  POM247167  Gentiana sceptrum Joseph P. Tracy 1927-8-22 8338 Humboldt Bald Mountain, near High Prairie. 1067 Comment
  UC1197399  Geranium carolinianum Joseph P. Tracy 1912-7-4 3723 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1198958  Geranium core-core Joseph P. Tracy 1938-6-11 15892 Humboldt Table Bluff 91 Comment
  CHSC31298  Geranium dissectum Mark Stopher 1980-7-18 120 Humboldt In diked off upland habitat along Elk River near Hwy 101 bridge. 1 Comment
  UC169882  Geranium molle Harley P. Chandler May 1901 1124 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC12713  Geranium retrorsum M. J. Athey 1970-11-15 2 Humboldt In front of house in Westhaven, along Havenway, Trinidad Comment
  UC133634  Gilia capitata subsp. pacifica Joseph P. Tracy 1905-6-11 2188 Humboldt near Bucksport (region about Humboldt Bay); Region about Humboldt Bay, Northern Coast Region 0 Comment
  UC1197913  Gilia tricolor subsp. diffusa Joseph P. Tracy 1914-5-14 4465 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  JEPS85975  Gilia tricolor subsp. diffusa Joseph P. Tracy 1919-5-31 5144 Humboldt at Willow Creek (Trinity River Valley); Trinity River, Willow Creek 152 Comment
  UC1223069  Glebionis segetum Joseph P. Tracy 1950-6-17 18831 Humboldt at Eureka Comment
  CAS-BOT-BC218430  Glehnia littoralis subsp. leiocarpa W. R. Dudley 1899-6-1 s.n. Humboldt Penninsula of Humboldt Bay Comment
  POM318534  Glehnia littoralis subsp. leiocarpa Patricia Wilder 1968-8-22 4418 Humboldt County campground on beach west of Ferndale off Centerville Road. 8 Comment
  RSA246750  Glehnia littoralis subsp. leiocarpa R. F. Thorne, P. Everett 1965-8-7 35218 Humboldt Samoa Peninsula. 3 Comment
  SEINET10591165  Glyceria striata Harley P. Chandler Chandler 1526 Humboldt Klamath River. 427 Comment
  CAS-BOT-BC302619  Gnaphalium palustre Joseph P. Tracy 1933-8-30 13043 Humboldt North Coast Ranges. Grouse Mountain 1524 Comment
  HSC68038  Gnaphalium palustre J. P. Smith 1976-10-30 8995 Humboldt Mad River, E of Essex Lane exit. Comment
  JEPS33992  Gnaphalium palustre W. L. Jepson 1921-8-7 9331 Humboldt Stone Lagoon Comment
  UCD132406  Gnaphalium palustre Linda M. Barker 1976-7-5 1639 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  CAS-BOT-BC304746  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  CAS-BOT-BC304751  Grindelia hirsutula Edward Lee 1934-8-17 1148 Humboldt East shore of Big Lagoon, 35 miles north of Eureka 3 Comment
  CAS-BOT-BC304757  Grindelia hirsutula Doris K. Kildale 1927-6-25 3554 Humboldt Shelter Cove Comment
  UC370617  Grindelia hirsutula J. P. Tracy 1925-8-30 7255 Humboldt Big Lagoon Comment
  SEINET11835894  Grindelia hirsutula var. davyi Unknown 1936-1 13195 Humboldt near Ukiah Comment
  POM264515  Grindelia stricta var. stricta H. E. Parks 1941-08 24190 Humboldt Big Lagoon. Comment
  HSC56456  Hackelia bella Griswold, Butler 1979-7-12 7233 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC582618  Hackelia californica Joseph P. Tracy 1937-7-25 15548 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  UC1239636  Hackelia californica Joseph P. Tracy 1919-9-18 5247 1/2 Humboldt Corral Prairie Trinity Summit; Northern Coast Ranges 1524 Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC158026  Hedera helix Joseph P. Tracy 1939-1-22 16185 Humboldt Blue Slide on Van Duzen River 91 Comment
  CAS-BOT-BC306613  Helenium bigelovii Doris K. Kildale 1925-8-15 1173 Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  RSA46472  Heliotropium curassavicum var. oculatum Doris K. Kildale 1926-7-10 2339 Humboldt Stone Lagoon. Comment
  UCD132967  Helminthotheca echioides Collector unknown Date Unknown s.n. Humboldt exact location unknown. Comment
  HSC44613  Hemitomes congestum R. York 1978-6-5 190 Humboldt 12 mi. up Waterman Ridge Rd. off of Hwy. 299. Bulk Collection 123 610 Comment
  HSC63147  Hemitomes congestum M. A. Baker 1979-6-30 972 Humboldt Top of ridge 1400 Comment
  CAS-BOT-BC310073  Hemizonella minima R. K. Gierisch; D. H. Esplin 1969-7-1 3535 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  HSC38709  Hemizonella minima J. P. Smith 1976-5-29 8819 Humboldt Horse Mtn. 1402 Comment
  HSC96210  Hemizonella minima J. McIntire, S. Lyon 2005-6-10 10 Humboldt Ca. 0.7 mi. due W of Spike Buck Mtn. off F.S. Road NF1 1610 Comment
  UC582405  Hemizonella minima Joseph P. Tracy 1930-6-16 8958 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC306114  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-11 5975 Humboldt Dobbin [Dobbyn] Creek Comment
  HSC5820  Hemizonia congesta subsp. tracyi R. Spellenberg 1965-6-14 1129 Humboldt Kneeland Prairie, at Kneeland Airport 6 mi. SE of Kneeland Comment
  UC127611  Hemizonia congesta subsp. tracyi Harley P. Chandler 1901-5-28 1245 Humboldt Tom Bair's North Coast Ranges, Redwood Creek 152 Comment
  UC275454  Hesperevax acaulis var. robustior Joseph P. Tracy 1925-5-17 6982 Humboldt near s fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  SD39889  Hesperocyparis macrocarpa Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  CAS-BOT-BC143656  Heteromeles arbutifolia Doris K. Kildale 1926-6-13 2163 Humboldt Briceland Bridge, 1/2 mile west of Garberville 114 Comment
  RSA298143  Heterotheca oregona var. rudis J. P. Smith 1971-10-9 4987 Humboldt Mad River above the Fish Hatchery. Comment
  HSC40008  Heuchera micrantha Thomas W. Nelson, Jane P. Nelson 1976-7-1 2904 Humboldt Along ridge N of Bear Creek. 1463 Comment
  UC1222389  Heuchera micrantha Joseph P. Tracy 1950-6-8 18718 Humboldt 2 mi s Ferndale (near the Sand Cut, Wild Cat Road) 304 Comment
  RSA0063136  Heuchera micrantha var. hartwegii Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville. Comment
  RSA298359  Heuchera micrantha var. hartwegii J. P. Smith 1973-5-26 6825 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC56128  Heuchera rubescens G. L. Clifton, Griswold 1979-8-1 11931 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC98820  Hieracium albiflorum Cara Witte 2008-7-30 963 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1589 Comment
  SEINET11262552  Hieracium albiflorum D. E. Anderson 1972-6-20 5745 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit.; 0 Comment
  UC1199467  Hieracium albiflorum Joseph P. Tracy 1933-7-25 12831 Humboldt Horse Mountain 1432 Comment
  RSA170205  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18181 Humboldt High ridge east of Grove's Prairie near Elk Camp on the Grizzly Camp Road. Trinity Summit. 1524 Comment
  HSC57940  Hieracium greenei G. L. Clifton, Griswold 1979-7-31 11607 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC582411  Hieracium greenei Joseph P. Tracy 1935-7-30 14358 Humboldt Salmon Summit 1767 Comment
  UC582423  Hieracium nudicaule Joseph P. Tracy 1933-8-6 12952 Humboldt French Camp Ridge 1066 Comment
  HSC40829  Hieracium scouleri Thomas W. Nelson, Jane P. Nelson 1976-7-26 3039 Humboldt W of Mt. Lassic (Signal Peak) 1707 Comment
  JEPS70574  Hierochloe occidentalis Milo S. Baker 1923-7-20 60 Humboldt Redwood House Road Comment
  POM118322  Hierochloe occidentalis Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SDSU1121  Hierochloe occidentalis D. F. Howe 1962-5-22 3304 Humboldt 3 miles east of Orick on Bald Mt. road 396 Comment
  UC526829  Hierochloe occidentalis Joseph P. Tracy 1926-4-11 7401 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  HSC59498  Hippuris vulgaris M. A. Erickson 1979-4-20 210 Humboldt Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  HSC6594  Hirschfeldia incana P. W. Shields 1955-9-29 Humboldt 0.5 mi. S of Fernbridge Comment
  UC275348  Hirschfeldia incana Joseph P. Tracy 1924-8-4 6739 Humboldt railroad station Eureka 0 Comment
  UCD84961  Holcus lanatus Henry M. Pollard 1945-8-24 7892 Humboldt Klamath River Canyon. Between Orleans and Camp Creek. Comment
  HSC57957  Holodiscus discolor G. L. Clifton, Griswold 1979-7-31 11651 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC98777  Holodiscus discolor Cara Witte 2007-8-8 623 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1547 Comment
  SD42284  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt North coast Range, Wildcat Ridge, 6 3/10 mi. So. of Ferndale 305 Comment
  UC1198701  Holodiscus discolor Joseph P. Tracy 1909-7-31 3055 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1198704  Holodiscus discolor Joseph P. Tracy 1911-7-5 3293 Humboldt near mouth of Willow Creek (Northern Coast Ranges, Valley of Trinity River); Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC26776  Hordeum marinum subsp. gussoneanum Thomas W. Nelson 1971-5-31 466 Humboldt 915 Comment
  HSC98175  Hordeum marinum subsp. gussoneanum L. M. Malloy 1965-5-14 42 Humboldt N of Liscom's Slough 1/4 mi. on Foster Ave. Comment
  UC38634  Hordeum marinum subsp. gussoneanum Harley P. Chandler 1901-6-1 1431 B Humboldt Klamath River North Coast Ranges, Klamath River 335 Comment
  CAS-BOT-BC536630  Horkelia californica Joseph P. Tracy 1937-8-22 15672 Humboldt Foot of low hills south of Fields Landing 6 Comment
  UC902135  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1949-8-4 18414 Humboldt Mud Springs Trinity Summit 1341 Comment
  HSC79333  Horkelia tridentata var. flavescens D. H. Norris 1970-5-20 12177 Humboldt Crest of Big Hill Rd. E of Hoopa Comment
  CAS-BOT-BC206124  Hosackia crassifolia Alice Eastwood; John Thomas Howell 1937-6-23 4852 Humboldt 5 miles from Kneeland on road to Korbel Comment
  HSC70929  Hosackia crassifolia R. York 1980-5-18 581 Humboldt Near Black Mtn. 792 Comment
  CAS-BOT-BC206076  Hosackia crassifolia Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  HSC100883  Hosackia gracilis Carl C. Marshall Apr 1885 113 Humboldt Coast region everywhere. Comment
  UC642326  Hydrocotyle ranunculoides Joseph P. Tracy 1934-7-2 13288 Humboldt mouth of Little River 3 Comment
  UCD128229  Hydrocotyle ranunculoides Linda M. Barker 1976-8-2 1704 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  HSC95387  Hydrocotyle ranunculoides Andrea Pickart 2002-7-19 186 Humboldt Arcata Marsh in Log Pond 10 Comment
  HSC57864  Hydrophyllum fendleri var. albifrons G. L. Clifton 1979-7-31 11389 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC100496  Hydrophyllum occidentale Carl C. Marshall Jun 1885 7 Humboldt Lower Mad River. Comment
  HSC62688  Hydrophyllum tenuipes Michelle Stevens 1979-4-21 60 Humboldt Ponds across from Clam Beach 0 Comment
  JEPS1639  Hydrophyllum tenuipes Joseph P. Tracy 1937-7-25 15538 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  UC169025  Hydrophyllum tenuipes W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  JEPS1635  Hydrophyllum tenuipes Joseph P. Tracy 1940-5-17 16545 Humboldt flat near McClellan Ranch house; McClellan Mt. 609 Comment
  JEPS1640  Hydrophyllum tenuipes Milo S. Baker July, 1923 Humboldt Carlotta, probably about [Wilder's] but possibly near Dyerville Carlotta; North Coast trip, Carlotta Comment
  UC1239767  Hydrophyllum tenuipes Joseph P. Tracy 1931-5-31 9535 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  UC562602  Hydrophyllum tenuipes Joseph P. Tracy 1924-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  UC35071  Hypericum formosum var. scouleri Chesnut and Drew 1888-7-30 Humboldt Grouse Creek Comment
  UC180207  Hypericum formosum var. scouleri Joseph P. Tracy 1914-7-21 3751 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC1198412  Hypericum perforatum Joseph P. Tracy 1926-7-25 7754 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 152 Comment
  CAS-BOT-BC401303  Hypericum scouleri Doris K. Kildale 1926-7-9 2337 Humboldt Bayside Comment
  UC166804  Hypochaeris radicata J. P. Tracy 1909-7-4 3007 Humboldt immediate vicinity Eureka 0 Comment
  UC204783  Hypochaeris radicata Joseph P. Tracy 1918-7-5 5023 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC27043  Hypochaeris radicata Brad Klipfel 1973-8-23 285 Humboldt Near Lazy J Ranch on Fickle Hill Rd. Comment
  CAS-BOT-BC206841  Iliamna latibracteata Joseph P. Tracy 1938-8-14 16104 Humboldt Willow Creek Canyon, along Trinity Highway 762 Comment
  CAS-BOT-BC206847  Iliamna latibracteata C. B. Wolf 1934-7-3 5909 Humboldt 3 miles north of Orick on Redwood Highway, Davison's Ranch on Prairie Creek 60 Comment
  UC902184 Image available Iliamna latibracteata Joseph P. Tracy 1948-8-15 18151 Humboldt near Elk Camp, on Ridge 2 miles east of Grove's Prairie; Trinity Summit. 1493 Comment
Read comments
Feb 27 2012
  NY177411  Iliamna rivularis var. rivularis H. N. Mozingo 1976-6-28 76100 Humboldt Outside of Humboldt National Forest, at roadside near Solid Silver Creek 1691.6 Comment
Read comments
Feb 27 2012
  POM65044  Ipomopsis aggregata subsp. formosissima P. E. Goddard 1906-06 683 Humboldt Lasseck Pk. Comment
  UC1565799  Iris douglasiana R. Spellenberg 1990-7-10 10240 Humboldt 11 mi s Berry Summit (on Calif. Hwy. 299) on U.S.F.S. 1 (11 air mi e of Burnt Ranch, extreme e edge of Humboldt County) 1432 Comment
  HSC49967  Iris douglasiana M. A. Baker 1979-5-30 768 Humboldt NW tip of Elk Head Comment
  JEPS17218  Iris douglasiana Milo S. Baker 1923-7-31 157 a Humboldt Lawrence Creek; central Humboldt County Comment
  JEPS17242  Iris douglasiana Lincoln Constance 1934-5-31 763 Humboldt from w boundary of Park to Grasshopper Pk. rd.(Squaw Cr.) (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  JEPS86128  Iris douglasiana Wayne Roderick 1966-5-5 Humboldt ca 2 mi e Carlotta 30 Comment
  RSA24306  Iris douglasiana Carl B. Wolf 1941-2-25 9960 Humboldt 9 mi. e. of Orick on rd. to Weitchpec. 610 Comment
  UC146222  Iris purdyi Joseph P. Tracy 1908-6-27 2684 Humboldt head of Little Laribee Creek; Northern Coast Ranges 914 Comment
  SEINET3875949  Iris tenax subsp. klamathensis J. P. Smith, John Sawyer; Jane Cole 1978-5-21 9925 Humboldt Ishi Pishi Road, 2.5 miles from its junction with State Route 36 in Orleans, California.; 0 213 Comment
Read comments
May 31 2018
  HSC64219  Iris tenuissima J. O. Sawyer, M. A. Ericksen 1979-6-23 3382 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC14924  Iris tenuissima Harley P. Chandler Jun 1901 1529 Humboldt Klamath River; North Coast Ranges Comment
  HSC13903  Iris tenuissima Francis Winter 1960-4-24 Humboldt 7 mi. W of Hoopa Indian Reservation, Bair Rd. 915 Comment
  RSA136343  Iris tenuissima Lee W. Lenz, E. K. Balls 1952-5-12 17197 Humboldt 0.5 miles west of Dinsmore on Highway 36 from Alton to Red Bluff Comment
  UC429166  Iris tenuissima P. E. Goddard 1907-5-29 103 Humboldt Van Duzen Comment
  SEINET5782208 Image available Jaumea carnosa S. K. Harris, C. C. Harris 1939-8-26 Humboldt S shore of Humboldt Bay Comment
  UC303152  Juncus balticus subsp. ater Joseph P. Tracy 1925-8-2 7221 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC1103034  Juncus bolanderi Joseph P. Tracy 1900-7-12 897 Humboldt Eureka Northern Coast Region 0 Comment
  UC249817  Juncus bolanderi Joseph P. Tracy 1924-7-13 6730 Humboldt Big Lagoon 6 Comment
  UC1601711  Juncus bolanderi State Survey June 1867 6584 Humboldt Comment
Read comments
Jul 31 2010
  UC2494  Juncus bolanderi H. N. Bolander June 1867 6584 Humboldt near Elk Ridge Comment
Read comments
Jul 31 2010
  CDA39158  Juncus breweri T. C. Fuller 1961-9-28 7057 Humboldt 1.5 miles south of Samoa. 0 Comment
  HSC13998  Juncus bufonius C. B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  UC1103671  Juncus bufonius var. bufonius Joseph P. Tracy 1914-5-14 4440 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  HSC74173  Juncus confusus M. A. Baker 1980-7-22 3115 Humboldt Near Grogan Hole 1676 Comment
  HSC44314  Juncus covillei Thomas W. Nelson, Jane Nelson 1977-8-6 3698 Humboldt Above Alder Spring 1616 Comment
  HSC71730  Juncus effusus subsp. pacificus M. A. Baker 1980-6-26 2450 Humboldt Near Sims Creek 610 Comment
  HSC74671  Juncus effusus subsp. pacificus Gail Newton 1981-8-5 2360 Humboldt Near Bug Creek, E Fork. 820 Comment
  UC1152098  Juncus ensifolius Joseph P. Tracy 1938-7-4 15995 Humboldt Valley of South Yager Creek 762 Comment
  HSC56989  Juncus laccatus Walter Overton, Marvin Butler 1979-7-23 9552 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  HSC67453  Juncus laccatus J. P. Smith, Steve Selva 1970-6-30 4124 Humboldt Comment
  RSA12536  Juncus laccatus Carl B. Wolf 1934-7-2 5902 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC14026  Juncus lescurii David Adams 1960-7-10 Humboldt W of Mad River Slough 0 Comment
  JEPS67092  Juncus occidentalis Joseph P. Tracy 1926-7-5 7724 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  HSC98789  Juncus patens Cara Witte 2008-7-11 878 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  RSA298328  Juncus patens J. P. Smith, Advanced Plant Taxonomy Class 1971-10-9 5034 Humboldt Mad River above the Fish Hatchery. Comment
  UC1103046  Juncus phaeocephalus Joseph P. Tracy 1921-7-10 5854 Humboldt Big Lagoon Northern Coast Region 6 Comment
  HSC82411  Kalmia polifolia Thomas W. Nelson 1979-7-11 5018 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  CAS-BOT-BC235892  Keckiella corymbosa Doris K. Kildale 1929-8-4 8779 Humboldt Mattole River at Union Mattole Comment
  RSA79855  Keckiella corymbosa F. W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec. Comment
  UC146235  Keckiella corymbosa Joseph P. Tracy 1908-7-31 2935 Humboldt Bridgeville Northern Coast Ranges (rocks along Van Duzen River) 152 Comment
  CDA2756  Kniphofia uvaria Gordon Leppig, Sylvia Leppig 2000-4-9 1287 Humboldt Arcata Marsh and Wildlife Refuge. Southeast corner of Klopp Lake dike, Arcata. Comment
  SEINET200338 Image available Koeleria macrantha J. P. Tracy 1917-6-17 4819 Humboldt Bluff at Ocean Niero Cemetery 61 Comment
  UC1103698  Koeleria macrantha Joseph P. Tracy 1929-7-4 8627 Humboldt French Camp Ridge 1066 Comment
  HSC57881  Kyhosia bolanderi Overton, Butler 1979-7-31 11419 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  JEPS7507  Kyhosia bolanderi Joseph P. Tracy 1935-7-23 14136 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC5894  Lactuca saligna R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on May Ranch 701 Comment
  UC1051586  Lactuca serriola Joseph P. Tracy 1943-11-28 17460 Humboldt gravel bars <from> Alton to Fortuna; Eel River 15 Comment
  CHSC79684  Lamiastrum galeobdolon Gordon Leppig; Kai Neander 2000-4-13 1292 Humboldt Arcata. 100 m south of trail 5 and 10 intersection. UTM zone 10, 4527N, 40E. 91 Comment
  CDA5667  Lamiastrum galeobdolon Gordon Leppig, K. Neander 2000-4-13 1292 Humboldt Arcata Community Forest, 100 meters south of trail 5 & 10 intersection, Arcata. Comment
  HSC77915  Landoltia punctata Daniel V. Richards 1981-8-25 102 Humboldt 11 km E of Arcata, W End Rd. Comment
  UC1222971  Lasthenia californica subsp. californica Joseph P. Tracy 1947-6-28 17752 Humboldt Larrabee Valley 731 Comment
  UC129575  Lasthenia californica subsp. californica Harley P. Chandler May 1901 1155 Humboldt North Coast Ranges, Humboldt Bay 3 Comment
  JEPS55332  Lathyrus brownii W. L. Jepson 1932-7-30 16455 Humboldt bank of Bull Creek Bull Creek 106 Comment
  UCD107019  Lathyrus cicera Joseph P. Tracy 1942-6-15 17133 Humboldt at Englewood near Redcrest resort. 91 Comment
  UC1199083  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1922-4-30 6010 Humboldt near The South Fork; Trinity River Valley 182 Comment
  POM277522  Lathyrus littoralis Lyman Benson 1928-7-10 s.n. Humboldt Clam Beach, Trinidad. 12 Comment
  UC1128970  Lathyrus littoralis H. S. Yates 1936-6-16 5658 Humboldt 0.5 mi sw Samoa; Eureka Quad. 3 Comment
  RSA183608  Lathyrus littoralis R. I. Bonn 1965-5-7 23 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  UC1222415  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1942-6-23 17226 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  SEINET5327351  Lathyrus palustris J. Tracy 1907-7-20 2593 Humboldt near Samoa; region about Humboldt Bay 152 Comment
  BLMAR279  Lathyrus polyphyllus Jennifer Anthony-Wheeler 1999-5-28 279 Humboldt King range, growing alongside prosper ridgee rd on strawberry rock allot 304 Comment
  RSA64949  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19094 Humboldt 3 miles W of Willow Creek, near Highway #299. Comment
  UC1222412  Lathyrus polyphyllus Joseph P. Tracy 1950-7-2 18975 Humboldt near Grizzly Camp (on Little Hors Linto Creek); Trinity Summit, Little Hors Linto Creek Comment
  SEINET12151839  Lathyrus torreyi C. L. Hitchcock 1949-1 19084 Humboldt ca 15miE of Blue Lake, along Hwy 299 Comment
  UC1199067  Lathyrus vestitus Joseph P. Tracy 1937-6-20 15359 Humboldt s of Ferndale; Wild Cat Ridge 304 Comment
  UC162788  Lathyrus vestitus Joseph P. Tracy 1906-6-24 2498 Humboldt near Field's Landing (s slope of Humboldt Hill); Northern Coast Region, Humboldt Bay Region, Humboldt Hill 0 Comment
  HSC14706  Lathyrus vestitus subsp. bolanderi H. E. Parks Jun 1931 1082 Humboldt Kneeland Comment
  UC168987  Lathyrus vestitus var. vestitus Joseph P. Tracy 1912-8-3 3971 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC326000  Layia carnosa Peter H. Raven 1963-5-15 18370 Humboldt Dunes above coast, Lanphere Ranch just W of Mad River Slough, near Arcata. Comment
  UCD133973  Leontodon saxatilis Linda M. Barker 1976-6-1 1562 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CDA3825  Lepidium strictum P. Haggard 1996-7-8 Humboldt Louisiana Pacific Corporation tree nursery, Crannell. Comment
  RSA152321  Lepidium strictum Joseph P. Tracy 1946-5-30 17540 Humboldt Vicinity of Carlotta. 30 Comment
  HSC37507  Leptosiphon androsaceus J. D. Ackerman, A. M. Montalvo 1975-6-22 486 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  RSA135357  Leptosiphon nuttallii Volney Rattan 1878-1 s.n. Humboldt [no additional locality data provided] Comment
  CAS-BOT-BC341829  Lessingia nemaclada Harley P. Chandler 1901-6-1 1503 Humboldt North Coast Ranges. Klamath River 426 Comment
  UC673159  Lewisia cotyledon var. heckneri Lincoln Constance and Reed C. Rollins 1942-5-12 2885 Humboldt 6 mi ne Weitchpec (mouth of Bluff Creek); Bluff Creek 152 Comment
  HSC48837  Lewisia nevadensis Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 28 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  UC1198373  Lewisia nevadensis Joseph P. Tracy 1938-6-13 15924 Humboldt at Cold Springs Grouse Mountain 1432 Comment
  UC673017  Lewisia pygmaea Joseph P. Tracy 1930-7-17 8979 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  BLMAR412  Leymus X vancouverensis Jennifer Wheeler 2007-8-22 412 Humboldt South Spit, East side, eastern edge of north end Comment
  UC184878  Leymus X vancouverensis Joseph P. Tracy 1912-7-7 3744 Humboldt Eureka Northern Coast Region (bay shore) 0 Comment
  UCD64597  Leymus mollis G. L. Stebbins Jr.; G. L. Church 1941-5-26 3105 Humboldt Little River, south of Trinidad. Comment
  SEINET200639 Image available Leymus mollis subsp. mollis Joseph P. Tracy 1923-5-19 6212 Humboldt Trinidad. Comment
  CAS-BOT-BC436495  Ligusticum californicum Joseph P. Tracy 1937-8-12 15633 Humboldt Snow Camp 1402 Comment
  HSC49055  Ligusticum californicum Patricia Shesgreen 1978-8-2 123 Humboldt Arcata Community Forest, 100 yds N of field house, 25 ft from pond Comment
  SEINET231011 Image available Ligusticum grayi A. Tiehm 1985-7-26 10005 Humboldt Santa Rosa Range seep at the head of Morey Creek E of Ridge crest at S end of range Comment
Read comments
Oct 28 2014
  HSC12923  Ligustrum ovalifolium Steve Dorei 1970-12-4 87 Humboldt HSC Campus, W side of rd. leading to Wildlife Building Comment
  UCD127580  Lilaeopsis occidentalis Malcolm A. Nobs; S. Galen Smith 1949-8-3 1166 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  SEINET12057698  Lilium F. H. Utech 1977-6-30 s.n. Humboldt Redwoods National Park Comment
  UC55890  Lilium columbianum J. P. Tracy 1902-7-4 1755 Humboldt immediate vicinity Eureka (near Ryan's Slough Hill) 0 Comment
  RSA130331  Lilium kelloggii Albert M. Vollmer, L. Beane 1953-07 119 Humboldt Freshwater Comment
  CAS-BOT-BC130689  Lilium occidentale Doris K. Kildale 1925-6-30 1384 Humboldt On road to Humboldt Country Club 7 miles south of Eureka Comment
  UC1198247  Lilium occidentale Joseph P. Tracy 1918-7-21 5078 Humboldt around Humboldt Bay Humboldt Hill; Northern Coast Ranges, Humboldt Bay, Humboldt Hill 182 Comment
  UC177231  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  JEPS61999  Lilium pardalinum Mrs. M. H. Manning 1901-1 15 Humboldt near Hupa Comment
  HSC53855  Lilium pardalinum subsp. pardalinum Griswold, Butler 1979-7-10 6322 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC74323  Lilium pardalinum subsp. pardalinum Gail Newton 1980-7-20 1621 Humboldt Near Bell Swamps 1426 Comment
  RSA46876  Lilium rubescens Doris K. Kildale 1927-7-17 s.n. Humboldt Bug Creek, Chaparral Mountain Comment
  CAS-BOT-BC133013  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-7-2 969 Humboldt Bug Creek, Buttes 1219 Comment
  CAS-BOT-BC133015  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-8-15 1156 Humboldt Trail between Elk Horn Camp & McKay's Prairie 1524 Comment
  UC1222535  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1950-7-1 18951 Humboldt near Friday Camp ((to Grouse Mt.)); Friday Ridge 1219 Comment
  HSC15784  Limnanthes douglasii J. E. Lankila 1962-5-6 8 Humboldt W bank of river at Ferndale. Comment
  SEINET7253531 Image available Limonium californicum Joseph P. Tracy 1901-1 1254 Humboldt At Samoa 1 Comment
  UC1198593  Linanthus androsaceus Joseph P. Tracy 1922-6-18 6093 Humboldt Head of Middle Yager Creek Northern Coast Ranges 762 Comment
  UC908238  Linanthus ciliatus Joseph P. Tracy 12923 Humboldt s slope Grouse Mountain (towards Grouse Creek Basin); North Coast Ranges 1219 Comment
  UC52409  Linanthus filipes Mrs. M. H. Manning Humboldt Hoopa Comment
  UC908983  Linanthus latisectus Milo S. Baker 1931-5-17 5186 Humboldt 4.2 mi s Garberville (on highway) Comment
  CDA6370  Linaria vulgaris T. C. Fuller 1968-7-3 17445 Humboldt Northwest corner of overpass of Highway 101 freeway at Tompkins Hill Road, 1 mile south of Fields Landing. 0 Comment
  CDA6374  Linaria vulgaris E. C. Whitney 1965-9-25 Humboldt Highway 101, Fortuna. 0 Comment
  RSA0087553  Linnaea borealis subsp. longiflora Carl B. Wolf 1937-8-13 9265 Humboldt North Coast Range, 12 mi. E of Hoopa Valley on new road towards Trinity Summit. End of road at present - sign says Trinity Summit 8 mi. 1676 Comment
  UC28473  Linnaea borealis var. longiflora J. Burtt Davy 1899-6-21 5741 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 609 Comment
  HSC59068  Linum bienne Thomas Wood 1979-5-18 193 Humboldt Arcata, adjacent and N of 2900 Janes Rd. 9 Comment
  HSC89417  Linum bienne P. A. Daly 1986-1-20 46 Humboldt Trinidad Head, along trail 61 Comment
  UC668020  Lipocarpha aristulata Joseph P. Tracy 1931-9-7 9650 B Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  HSC7384  Lipocarpha occidentalis J. P. Tracy 1931-9-7 9650 Humboldt Trinity River Valley, Willow Creek 152 Comment
  UC1103031  Listera caurina Joseph P. Tracy 1924-7-4 6712 Humboldt Snow Camp 1402 Comment
  UC666981  Listera caurina Joseph P. Tracy 1937-8-12 15648 Humboldt Snow Camp 1402 Comment
  RSA152286  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-8-15 18136 Humboldt Trinity Summit. On ridge 2 miles east of Grove's Prairie. 1524 Comment
  HSC81535  Lithophragma affine Thomas W. Nelson, Jane P. Nelson 1980-5-25 5258 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  CAS-BOT-BC430610  Lithophragma affine Mark Bransom; Daniel Brown; Ron Hildebrant; Nina Meiselman 1986-4-19 18 Humboldt 1 1/2 mi. west of Burnt Ranch on Rt. 299 down dirt road leading from open meadow above Burnt Ranch campground Comment
  UC50707  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5606 B Humboldt Arcata Comment
  HSC42239  Lolium perenne W. F. Nickel 1965-5-13 Humboldt On W side of College Elementary School on Humboldt State College Campus. Comment
  HSC58408  Lolium perenne Griswold, Butler 1979-7-10 7123 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  POM188113  Lolium perenne Marcus E. Jones 1931-7-16 29212 Humboldt Arcata. Comment
  UC50500  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6200 Humboldt Russ Ranch Comment
  UC50504  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6204 Humboldt Arcata; Russ Ranch Comment
  HSC100392  Lomaria spicant Carl C. Marshall Apr 1885 116 Humboldt Damp woods. Comment
  CDA38344  Lomatium californicum Kaylea Eickhoff, Cara M. Witte 2005-6-24 16 Humboldt Approx. 13 miles south of Hwy 299 on NF1. Comment
  UC1197168  Lomatium californicum Joseph P. Tracy July, 1908 2905 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers); Northern Coast Ranges, Humboldt & Trinity Co.'s 914 Comment
  HSC98833  Lomatium ciliolatum var. ciliolatum Cara Witte 2007-5-31 142 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
  HSC31213  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson 1972-6-20 5735 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC99106  Lomatium dasycarpum subsp. dasycarpum Cara Witte 2008-6-18 743 Humboldt Horse Mountain Botanical Area. Junction of 6N36 and 6N36A. 1375 Comment
  JEPS14184  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1934-6-15 889 Humboldt meadow on summit of ridge of Grasshopper (extending down its e. side, few yds. s. of Lookout, Bull Creek Region); Bull Creek Region, S. Fork Eel River Comment
  HSC46923  Lomatium tracyi Brad Klipfel 1974-5-27 381 Humboldt Horse Mtn. Comment
  HSC96231  Lomatium tracyi Sara March, Gillian Levy 2005-6-24 13 Humboldt Radio Tower on Horse Mtn. 1509 Comment
  HSC40704  Lomatium tracyi Barbara Kelly, Thomas W. Nelson 1977-6-15 503 Humboldt .25 mi. past Horse Mountain Rd., along dirt road just below road to ski area 1402 Comment
  UC1222487  Lonicera conjugialis Joseph P. Tracy 1950-8-8 19287 Humboldt Croghan Hole Trinity Summit 1676 Comment
  HSC60070  Lonicera hispidula var. vacillans M. A. Baker 1978-5-6 502 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  RSA43892  Lonicera hispidula var. vacillans H. M. Pollard 1948-7-21 s.n. Humboldt Near Orleans. Comment
  RSA99375  Lonicera hispidula var. vacillans F. W. Peirson 1926-7-13 7054 Humboldt Near Blue Lake, Mad River. Comment
  UCR27010  Lonicera involucrata A. C. Sanders 1981-8-4 2262 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  CAS-BOT-BC241491  Lonicera involucrata var. ledebourii C. Hart Merriam 1922-7-4 s.n. Humboldt Fortuna Comment
  CAS-BOT-BC241497  Lonicera involucrata var. ledebourii S. K. Harris 1936-6-8 3230 Humboldt At Centerville Comment
  HSC3930  Lonicera involucrata var. ledebourii R. A. Rasp 1964-5-7 37 Humboldt 2 mi. S of Korbel on Simpson Lumber Co. land. Comment
  HSC83836  Lonicera involucrata var. ledebourii F. R. Fosberg 1948-8-28 30053 Humboldt Dry Lagoon. Comment
  OBI6309  Lonicera involucrata var. ledebourii Joseph P. Tracy 1943-3-21 17413 Humboldt North Coast ranges Comment
  UC1125285  Lonicera involucrata var. ledebourii A. E. Wieslander 1931-5-22 215 Humboldt hills s Ferndale; Cape Fortuna Quadrangle 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
  JEPS25684  Lotus aboriginus P. C. Hutchison 1961-5-22 2007 Humboldt 14.3 mi e Arcata junction with U.S. Hwy. 101 (on Hwy 299) Comment
  UC493999  Lotus aboriginus H. E. Parks and J. P. Tracy 1930-9-15 762 Humboldt Kneeland Bald Hills Comment
  HSC26918  Lotus corniculatus Brad Klipfel 1973-7-30 219 Humboldt Samoa Comment
  HSC26447  Lotus corniculatus Brad Klipfel 1973-4-28 16 Humboldt Along Canyon Creek, SW of Korbel Comment
  UC1046517  Lotus denticulatus R. Bacigalupi, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3405 Humboldt 4 mi w bridge crossing the Van Duzen River (along State Highway 36, Dinsmore); Dinsmore Comment
  UC1223431  Lotus denticulatus Joseph P. Tracy 1941-6-29 16943 Humboldt 2 mi nw of Valley proper Van Duzen River (along Van Duzen River) Comment
  UC1223400  Lotus formosissimus Joseph P. Tracy 1938-6-17 15949 Humboldt s of Cape Mendocino point; Cape Mendocino 3 Comment
  UC15583  Lotus formosissimus Harley P. Chandler May 1901 1200 Humboldt Humboldt Bay Northern Coast Ranges 30 Comment
  UC1197307  Lotus humistratus Joseph P. Tracy 1929-4-28 8546 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC160993  Lotus nevadensis var. nevadensis Joseph P. Tracy 1911-7-6 3358 Humboldt between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  JEPS51821  Lotus nevadensis var. nevadensis W. L. Jepson 1902-7-3 1979 Humboldt Three Creeks to Willow Creek Comment
  UC169043  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1912-7-31 3902 Humboldt sw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  POM276696  Lotus unifoliolatus Lyman Benson 1928-7-11 433 Humboldt Weott Ranger Station. 61 Comment
  HSC25999  Lotus unifoliolatus var. unifoliolatus Thomas W. Nelson 1970-9-3 218 Humboldt Mad River. Comment
  HSC38527  Lotus unifoliolatus var. unifoliolatus D. E. Anderson, J. P. Smith 1971-6-18 - 1069 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  UC1197298  Lotus wrangelianus Joseph P. Tracy 1918-7-1 4978 Humboldt 3 mi s Point of Cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  JEPS55422  Lotus yollabolliensis Joseph P. Tracy Jul 16 1930-Jul 30 1930 8945 Humboldt near Blake lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC314622  Ludwigia palustris Joseph P. Tracy 1926-8-12 7765 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC1239506  Luina hypoleuca Stuart Harris 1936-6-12 3357 Humboldt Chalk Mountain 609 Comment
  CAS-BOT-BC342558  Luina hypoleuca Carl B. Wolf 1937-8-9 9086 Humboldt Klamath River, 5 7/10 mi. above Orleans Comment
  SEINET11810522  Luina hypoleuca J. P. Tracy 1944-1 17489 Humboldt near Romanzoffia Creek, Willow Creek Canyon, along Trinity Highway 366 Comment
  SEINET5736964 Image available Lupinus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6113 Humboldt Collected in a waste area along Giuntoli Lane in Arcata. Adjacent to Eureka Sand and Gravel company and across the road from T.P. Tire Service (1265 Giuntoli Lane).; Arcata Comment
  UC1223294  Lupinus adsurgens Joseph P. Tracy 1938-6-17 15970 Humboldt Bull Creek-Mattole Road top of ridge near Panther Gap; top of ridge near Panther Gap, Bull Creek-Mattole Road Comment
  SEINET10490444  Lupinus adsurgens var. adsurgens Chestnut 1888-7-21 CHESTNUT s.n. Humboldt Type photo. W side south fork mountain. Comment
  CDA18904  Lupinus albifrons var. collinus P. Haggard, Spadoni 2000-5-31 PDR 1170224 Humboldt North Coast Ranges; Along US Forest Service Hwy 1 in the vicinity of Eureka. 0 Comment
  HSC36638  Lupinus albifrons var. flumineus Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-6-14 1904 Humboldt Beside Rd. 2S08 to Pine Mtn. 1555 Comment
  HSC32158  Lupinus andersonii J. O. Sawyer 1970-6-24 2233 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC14774  Lupinus arboreus J. W. Johnson 1961-11-20 Humboldt Arcata, Christenson Farm., Samoa Peninsula Comment
  HSC35758  Lupinus arboreus M. J. Athey 1970-11-12 3 Humboldt Along Hwy., 1 mi. S of Westhaven turnoff, Trinidad. Comment
  UC503006  Lupinus arboreus Joseph P. Tracy 1932-5-16 10104 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, on Humboldt Bay 6 Comment
  UCSB16724  Lupinus arboreus Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa, on peninsula, on western side of Humboldt Bay Comment
  SEINET10544235  Lupinus arboreus Mary Susan Taylor 1990-8-22 Taylor 6070 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  RSA246779  Lupinus arboreus var. arboreus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35166 Humboldt Samoa Dunes. 3 Comment
  RSA331967  Lupinus arboreus var. arboreus Dave Kelly, Walter Wisura, A. Kelly 1985-7-28 4065 Humboldt Outer sand dunes near Manilla, Samoa Peninsula near Eureka Comment
  CAS-BOT-BC8425  Lupinus constancei T. W. Nelson; J. P. Nelson 1982-7-9 7079 Humboldt Blocksburg Quadrangle. Mt. Lassic (Signal Peak) and saddle to east. Comment
  JEPS82142  Lupinus constancei Thomas W. Nelson and Jane P. Nelson 1982-7-9 7079 Humboldt Mt. Lassic (Signal Peak) and saddle to e North Coast Ranges, Blockburg Quad., Mt. Lassic (Signal Peak; Blocksburg Quadrangle on Mt. Lassic (Signal Peak), Humboldt Co. 1767 Comment
  UC157019  Lupinus formosus Joseph P. Tracy 1904-7-4 2113 Humboldt Bucksport; region about Humboldt Bay, Bucksport 0 Comment
  HSC98986  Lupinus latifolius var. latifolius Cara Witte 2008-7-2 807 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  UC503013  Lupinus latifolius var. latifolius Joseph P. Tracy Jul 16 1930-Jul 19 1930 8970 Humboldt near McKay Camp South Fork Mountain (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1223291  Lupinus latifolius var. latifolius Joseph P. Tracy 1941-6-15 16916 Humboldt on the Bull Creek - Mattole Road Panther Gap (Panther Gap) Comment
  UC156999  Lupinus luteolus Joseph P. Tracy 1908-6 2696 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC157015  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1906-6-24 2495 Humboldt near Fields Landing; Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC176608  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1913-6-25 4335 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in the valley of the Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1488744  Lupinus tracyi Marc Baker 1980-7-19 2987 Humboldt near Bret Hole 105 Comment
Read comments
Jul 7 2009
  UC502994 Image available Lupinus tracyi Joseph P. Tracy 1932-7-15 10598 Humboldt ridges e Corral Prairie; Klamath Mountains; ridges E of Corral Prairie, Trinity Summit, Klamath Mts., Humboldt Co. 1828 Comment
  CAS-BOT-BC436574  Luzula cascadensis Doris Kildale 1931-5-10 10690 Humboldt Snow Camp Comment
  HSC70778  Luzula comosa R. York 1980-5-17 549 Humboldt Near Le Perron Peak 1066 Comment
  HSC77385  Luzula comosa L. P. Janeway 1983-5-29 321 Humboldt Along Jolly Giant Creek, E of HSU campus 61 Comment
  CHSC60627  Luzula macrantha L. P. Janeway 1984-6-17 846 Humboldt On ridge east of Horse Mountain. 1432 Comment
  HSC83992  Luzula parviflora L. P. Janeway 1983-5-1 253 Humboldt Along dirt rd. E of HSU water tank 61 Comment
  POM319613  Lycopodiella inundata Patricia Wilder 1968-8-21 4384 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  HSC97349  Lycopodium clavatum D. E. Anderson 1965-11-26 4176 Humboldt 2 mi. E. of Moonstone Beach Comment
  JEPS60165  Lycopodium clavatum Hilda W. Grinnell 1932-7-23 46 Humboldt on ever-shaded oozy slope below McKay Camp; South Fork Mountain Comment
  UC503062  Lycopodium clavatum Joseph P. Tracy 1932-8-13 10341 Humboldt in woods around swamp 3 mi e Trinidad; Northern Coast Region 152 Comment
  JEPS63277  Lycopus americanus Joseph P. Tracy 1924-8-31 6853 Humboldt Klamath R. at mouth of Bluff Creek; Klamath R. 91 Comment
  UC577389  Lycopus uniflorus Joseph P. Tracy 1925-10-18 7284 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UC577390  Lycopus uniflorus Joseph P. Tracy 1934-7-30 13513 Humboldt along coast in front of S. End of Stone Lagoon (Dry Lagoon) 3 Comment
  HSC96513  Lysichiton americanus Gordon Leppig 1999-4-15 1114 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC1222701  Lysichiton americanus Joseph P. Tracy 1950-7-6 18992 Humboldt lower end of Burr Valley Comment
  UC176173  Lysichiton americanus Joseph P. Tracy 1913-3-30 4029 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  JEPS45971  Lythrum hyssopifolia W. L. Jepson 1902-8-4 2146 Humboldt near Petrolia ( Expedition from Ukiah to the Hupa Indian Reservation) Comment
  RSA0015874  Lythrum hyssopifolia H. M. Pollard 1948-7-21 s.n. Humboldt Along Klamath River near Orleans. Comment
  HSC38486  Madia elegans D. E. Anderson, J. P. Smith 1971-6-18 - 1066 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  HSC5319  Madia elegans H. E. Parks, J. P. Tracy 1930-5-25 882 Humboldt Laribee Valley 762 Comment
  JEPS40326  Madia elegans Joseph P. Tracy 1921-8-21 5937 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC344358  Madia exigua David D. Keck 1944-7-11 5501 Humboldt 5 mi. W. of Briceland on road to Ettersburg Comment
  HSC44130  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3607 Humboldt Along road N from Alder Spring 1555 Comment
  HSC35590  Madia gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2001 Humboldt Along Bald Hills Rd., just W of French Camp Comment
  RSA254781  Madia madioides Thomas W. Nelson, James Nelson 1973-5-28 946 Humboldt McKeown Ranch north of Dinsmore. Comment
  RSA21588  Mahonia aquifolium C. B. Wolf 1937-8-13 9233 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  RSA2935  Mahonia nervosa C. B. Wolf 1931-8-30 2375 Humboldt 11 miles above Blue Lake on the Lord Ellis Road to Willow Creek 305 Comment
  POM224223  Maianthemum dilatatum H. E. Parks 1932-05 4289 Humboldt Bishop Pine Lodge, Trinidad. Comment
  CAS-BOT-BC508509  Maianthemum dilatatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC59443  Maianthemum dilatatum Kenneth Clark 1979-4-21 133 Humboldt By junction of Little River Rd. and Central Ave., McKinleyville Comment
  SBBG114438  Maianthemum dilatatum D. Leaberry 1990-9-24 Humboldt Prairie Crk Comment
  HSC15649  Maianthemum racemosum subsp. amplexicaule J. F. Knezevich 1968-5-21 447 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  HSC15656  Maianthemum racemosum subsp. amplexicaule Harvey Doerksen 1962-5-4 3 Humboldt W of Korbel, S side of Mad River Comment
  CAS-BOT-BC511453  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-5-19 5154 Humboldt Chalk Mountain Comment
  HSC62767  Maianthemum racemosum subsp. amplexicaule M. Dean Griswold Jr. 1979-4-21 25 Humboldt N side of Hwy. 36 Comment
  RSA24193  Maianthemum racemosum subsp. amplexicaule Carl B. Wolf 1941-3-2 9981 Humboldt Along north bank of the Van Duzen River, 4.8 miles above Carlotta 61 Comment
  HSC98154  Maianthemum stellatum Jack Rockwell 1962-4-29 38 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  CAS-BOT-BC512771  Maianthemum stellatum V. Rattan 1883-6-1 s.n. Humboldt Near summit between Pilot Creek and South Fork Trinity River Comment
  UC992620  Malus Rogers McVaugh 1941-8-3 6215 Humboldt 1 1/4 mi S of H. Q.; Patrick's Point State Park Comment
  UC1052474  Malus fusca H. E. Parks Apr 1933 4352 Humboldt Spruce Cove; Trinidad Comment
Read comments
Jun 17 2020
  UC303165  Malus fusca Joseph P. Tracy 1923-6-20 6304 Humboldt White Thorne Valley; Northern Coast Ranges 304 Comment
  UC1222316  Malus sylvestris Joseph P. Tracy 1950-4-23 18636 Humboldt Willow Creek; Trinity River Valley 152 Comment
  JEPS68659  Malva nicaeensis Lincoln Constance 1934-6-18 9006 Humboldt n border of Dyerville Flat (near South Fork Railroad Station and Post Office, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  HSC65125  Marah oregana J. P. Smith 1971-10-6 4968 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC73820  Marah oregana Gail Newton 1980-6-7 135 Humboldt Near Brush Mtn. 1128 Comment
  RSA80535  Marah oregana Roxana S. Ferris 1951-9-5 12448 Humboldt Trinidad Head. Comment
  JEPS42472  Marah oregana W. L. Jepson 1932-8-3 16478 Humboldt 2 mi w Dyerville Comment
  UC168954  Marah oregana Joseph P. Tracy 1909-5-30 2980 Humboldt Eureka Northern Coast Region 0 Comment
  RSA249711  Medicago polymorpha Robert F. Thorne 35258 Humboldt N edge of Eureka, E of Hwy. 101. 5 Comment
  JEPS65525  Medicago sativa Lincoln Constance 1934-6-3 796 Humboldt Dyerville South Fork Eel River, Bull Creek region (foot of bank along n side of Redwood Hwy.) Comment
  UC188886  Melica harfordii J. Burtt Davy 1899-6-19 5657 Humboldt Hoopa Mt. summit; North Coast Ranges Comment
  HSC15519  Melilotus albus C. Kline 1970-11-9 66 Humboldt .5 mi. N of Bayside, Bayside Rd. Comment
  JEPS65536  Melilotus indicus Lincoln Constance 1934-5-26 662 Humboldt s end of Dyerville Bridge, South Fork of Eel River, Bull Creek Region Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  POM47605  Melissa officinalis Unspecified 1923-7-29 91 Humboldt Rohnerville. Damp flat. 15 Comment
  HSC14245  Mentha canadensis D. E. Anderson 1961-9-9 1789 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  JEPS63451  Mentha pulegium W. L. Jepson 1936-8-11 17872 Humboldt South Fork Eel River Philipsville; , Philipsville Comment
  JEPS63454  Mentha pulegium Joseph P. Tracy 1936-8-2 15078 Humboldt Orick 15 Comment
  UCR5446  Mentha pulegium Frank C. Vasek 1966-7-13 660713- 04 Humboldt North Coast, Shelter Cove Comment
  UC577377  Mentha spicata Joseph P. Tracy 1925-8-16 7233 Humboldt Trinity River Valley, near the South Fork; Northern Coast Ranges, Trinity River Valley, near South Fork 182 Comment
  UC166030  Mentzelia dispersa Joseph P. Tracy 1908-6 2843 Humboldt n/w slope Buck Mountain; Northern Coast Ranges 1219 Comment
  RSA53803  Mentzelia laevicaulis H. M. Pollard 1945-9-4 s.n. Humboldt Near Camp Creek, Klamath River Canyon. Comment
  HSC77389  Menziesia ferruginea subsp. ferruginea L. P. Janeway 1983-5-3 258 Humboldt Community Forest Main Access Rd., E of HSU 168 Comment
  SEINET3410193 Image available Micranthes ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt Trinity Summit; Rocky exposed places, Near Ranger Station 1829 Comment
  HSC38098  Micropus californicus var. californicus Thomas W. Nelson, James Nelson 1976-5-30 2621 Humboldt McKeown Ranch, N of Dinsmore. Comment
  CAS-BOT-BC349238  Microseris nutans L. R. Abrams 1918-6-15 7124 Humboldt Brannan Mt near Willow Creek 1371 Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  HSC70251  Microsteris gracilis M. A. Baker 1980-6-8 1917 Humboldt Near Buck Flat. 1554 Comment
  SEINET178573  Microsteris gracilis Parks, Tracy 1930-5-25 0795 Humboldt Laribee Valley 792 Comment
  RSA550829  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1115 Humboldt Just N of Miranda. 0.1 mi s of bridge over Bridge Creek along Hwy 254 (parallels Hwy 101) 101 Comment
  UC169016  Mimulus aurantiacus var. aurantiacus Harley P. Chandler 1901-5-22 1240 Humboldt near Nance's; North Coast Ranges, Mad River 91 Comment
  HSC20706  Mimulus cardinalis David Adams 1960-8-20 Humboldt Near Eel River at Whitlow (Sequoia) 60 Comment
  UC169098  Mimulus cardinalis Harley P. Chandler 1901-6-16 1520 Humboldt Somes Bar North Coast Ranges, Klamath River 426 Comment
  RSA135338  Mimulus dentatus Volney Rattan 1882-06 s.n. Humboldt Humboldt Comment
  JEPS13355  Mimulus dentatus H. E. and S. T. Parks May, 1930 744 Humboldt above Carlotta; Van Duzen River Comment
  SEINET4678005  Mimulus guttatus Jan G. Cooper 1977-6-22 59 Humboldt Mouth of Mattole River along base of cliff. 1/4 mile away from the ocean.; 0 Comment
  HSC55628  Mimulus moschatus Overton, Butler 1979-7-24 9626 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC74453  Mimulus nanus var. nanus Gail Newton 1980-8-10 1994 Humboldt Near Blake Mtn. 1798 Comment
  HSC56180  Mimulus primuloides var. primuloides G. L. Clifton, Griswold 1979-8-1 12095 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC1196781  Mimulus pulsiferae Joseph P. Tracy 1912-7-31 3919 Humboldt near summit (stream-bank); Northern Coast Ranges, Buck Mountain 1676 Comment
  SEINET202012  Minuartia cismontana J. P. Tracy 1948-6-13 18055 Humboldt Ridge top near Harris 914 Comment
  HSC32281  Minuartia douglasii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5631 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC668121  Minuartia douglasii Joseph P. Tracy 1935-6-23 13972 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC433011  Mitella diversifolia Joseph P. Tracy 1949-6-5 11654 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  CAS-BOT-BC433035  Mitella ovalis C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  JEPS43803  Mitella ovalis Lincoln Constance 1934-6-15 892 Humboldt Grasshopper Peak South Fork Eel River, Bull Creek Region (summit) 975 Comment
  UC1198864  Mitella ovalis Joseph P. Tracy 1906-5-6 2439 Humboldt near Hydesville; Northern Coast Region, Wolverton Gulch 60 Comment
  HSC16010  Modiola caroliniana W. D. Stevens 1967-7-16 46 Humboldt Along dirt road from old Hwy. 101 to top of N bank of Mad River Comment
  HSC72693  Moehringia macrophylla Gail Newton 1980-6-24 565 Humboldt Near Ladder Rock 67 Comment
  HSC48859  Moehringia macrophylla Brad Klipfel 1974-5-27 392 Humboldt Horse Mtn. area, Titlow Hill 1494 Comment
  UC1586862  Monardella odoratissima subsp. glauca Juha Pykala and D. H. Norris 1987-6-11 1570 Humboldt sw North Trinity Mountain; North Trinity Mountain Wilderness Comment
  RSA33443  Monardella odoratissima subsp. pallida Carl B. Wolf 1937-8-13 9269 Humboldt North Coast Range, 12 miles E of Hoopa Valley on new road towards Trinity Summit. 1677 Comment
  CAS-BOT-BC220257  Monardella sheltonii Harley P. Chandler 1901-6-1 1522 Humboldt Klamath River 457 Comment
  UC203968  Monardella villosa subsp. villosa Joseph P. Tracy 1918-7-5 5037 Humboldt Garberville Northern Coast Ranges 121 Comment
  UC774992  Monardella villosa subsp. villosa Carl B. Wolf 1937-8-13 9223 Humboldt 8 mi east Hoopa Valley on new road towards Trinity Summit; North Coast Range 1219 Comment
  HSC20905  Monotropa uniflora Dr. H. Baer Aug 1971 Humboldt Redwood Acres, Eureka, CA Comment
  RSA264852  Montia diffusa Lincoln Constance, A. A. Beetle 1940-5-17 2615 Humboldt In Shade of Cornus and Sambucus, cutover Pseudotsuga forest. Above Van Duzen River, 1 mile below Dinsmore s 762 Comment
  RSA29091  Montia diffusa Lincoln Constance, A. A. Beetle 1940-5-17 2615 Humboldt In Shade of Cornus and Sambucus, cutover Pseudotsuga forest. Above Van Duzen River, 1 mile below Dinsmore s 762 Comment
  CAS-BOT-BC233769  Montia howellii Joseph P. Tracy 1909-5-2 2956 Humboldt Eureka 60 Comment
  CAS-BOT-BC233770  Montia howellii Joseph P. Tracy 1916-5-7 4686 Humboldt Eureka 60 Comment
  UC275324  Montia howellii Joseph P. Tracy 1923-4-15 6187 Humboldt Redwood Creek, at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  HSC32090  Montia linearis D. E. Anderson, T. Nelson, S. Dowty 1972-6-17 5708 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC70951  Montia linearis J. M. DiTomaso 1981-5-15 2007 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  CAS-BOT-BC445162  Montia parvifolia Harley P. Chandler 1901-5-1 1261 Humboldt North Coast Ranges. Redwood Belt 152 Comment
  CAS-BOT-BC445164  Montia parvifolia L. R. Abrams 1918-6-16 7202 Humboldt Willow Creek Comment
  HSC31552  Montia parvifolia Glenn McGourty 1974-5-11 41 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  CAS-BOT-BC445153  Montia parvifolia Joseph P. Tracy 1933-5-20 12215 Humboldt Wild Cat [Wildcat] Ridge, south of Ferndale 304 Comment
  HSC62915  Morella californica J. M. DiTomaso 1979-4-1 835 Humboldt 3 mi. S of Arcata on Samoa Rd. Comment
  HSC89420  Morella californica P. A. Daly 1986-1-4 37 Humboldt Trinidad Head 61 Comment
  UC526744  Muhlenbergia filiformis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8920 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in wet meadow) 1676 Comment
  SEINET7294630 Image available Muhlenbergia mexicana var. filiformis Joseph P. Tracy 1916-1 4774 Humboldt South fork of Eel River, 4 miles above the mouth 61 Comment
  JEPS70787  Myosotis discolor Joseph P. Tracy 1925-5-10 6963 Humboldt near Hydesville; North Coast Ranges 91 Comment
  UC1239641  Myosotis discolor Joseph P. Tracy 1920-6-6 5337 Humboldt along Freshwater Creek near Wrangletown; Northern Coast Ranges 30 Comment
  HSC95678  Myosotis sylvatica Steven Lee 2004-4-13 18 Humboldt Arcata Community Forest, hillside along Jolly Giant Creek Comment
  HSC34648  Myosotis sylvatica A. M. Montalvo 1975-4-9 201 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  HSC15605  Narcissus X incomparabilis J. L. Baker 1965-3-27 22 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  RSA256481  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain; in wet meadow at McKay Camp 1677 Comment
  UC907810  Navarretia atractyloides Joseph P. Tracy 1927-8-7 8307 Humboldt Willow Creek Schoolhouse Trinity River Valley, Willow Creek 152 Comment
  HSC54718  Navarretia capillaris Overton, Butler 1979-7-26 10083 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  HSC75466  Navarretia capillaris J. O. Sawyer 1980-7-18 3596 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC97972  Navarretia divaricata subsp. divaricata Cara Witte 2007-6-21 322 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  UC60875  Navarretia intertexta Harley P. Chandler Jun 1901 1542 Humboldt Klamath River North Coast Ranges 426 Comment
  POM208984  Navarretia intertexta Lincoln Constance 1934-5-27 697 Humboldt Sandbar of south fork of Eel River at Dyerville bridge 43 Comment
  RSA15549  Navarretia mellita C. B. Wolf 1927-8-30 1250 Humboldt 3 miles S of Thorn3 miles S of Tom's Place Comment
  CAS-BOT-BC232739  Navarretia sinistra subsp. pinnatisecta Doris K. Kildale 1926-8-2 2444 Humboldt Flannegan's Mill near Strong's Station, Van Duzen River Comment
  HSC39447  Navarretia squarrosa Linda M. Barker 1976-8-2 1668 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  UC1198532  Navarretia squarrosa Joseph P. Tracy 1929-10-20 8683 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  JEPS70468  Navarretia squarrosa Milo S. Baker 1923-7-19 27 Humboldt Carlotta (Wilders) Carlotta Comment
  SEINET10840156  Nemacladus capillaris Tracy 1930-7-10 TRACY 8865 Humboldt Brannan Mountain 1219 Comment
  HSC13584  Nemophila menziesii H. E. Parks, J. P. Tracy 1930-5-25 797 Humboldt Laribee Valley 793 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
  UC163963  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt near Hydesville; near Hydesville 60 Comment
  JEPS1882  Nemophila menziesii var. atomaria Joseph P. Tracy 1927-4-17 7903 Humboldt 274 Comment
  SEINET5521025  Nemophila menziesii var. atomaria J. P. Tracy 1906-5-6 2445 Humboldt Near Hydesville 60 Comment
  HSC59108  Nuttallanthus texanus M. A. Baker 1978-5-6 481 Humboldt 2 km. S of Weitchpec Comment
  POM224764  Oenothera glazioviana P. A. Munz 1936-8-10 14335 Humboldt At edge of Rio Del. Comment
  HSC92716  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-14 Humboldt S of Trinidad, behind Matson Home, just E of Hwy. 101 near Moonstone Beach Exit 46 Comment
  CAS-BOT-BC171605  Oenothera wolfii L. R. Abrams 1918-6-16 7168 Humboldt Willow Creek Comment
  JEPS11679  Orobanche californica subsp. californica Joseph P. Tracy 1924-8-3 6761 Humboldt Big Lagoon. Comment
  UC585979  Orobanche californica subsp. californica Joseph P. Tracy 1924-8-3 6761 Humboldt Big Lagoon. Comment
  CAS-BOT-BC500233  Orobanche pinorum Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  HSC99519  Orthilia secunda K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 182 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1197583  Orthilia secunda Joseph P. Tracy 1941-8-28 17045 Humboldt South Fork Mountain near McKay Camp 1706 Comment
  UC642234  Osmorhiza berteroi Joseph P. Tracy 1932-7-12 10450 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  HSC48758  Osmorhiza berteroi Brad Klipfel 1973-6-16 70 Humboldt Along ridge trail SE of N Trinity Mountain 1829 Comment
  HSC48813  Osmorhiza occidentalis Brad Klipfel 1973-7-31 227 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CHSC70834  Oxalis incarnata Vernon Oswald 1998-4-16 8918 Humboldt Samoa Dunes Recreation Area at the south tip of the North Spit of Humboldt Bay. Along the road leading into the recreation area. 6 Comment
  JEPS43138  Oxalis oregana W. L. Jepson 1934-5-7 16696 Humboldt Bull Creek Comment
  RSA32865  Oxalis oregana A. A. Heller 1923-7-8 13770 Humboldt Near Pepperwood Comment
  UC1212178  Oxalis oregana H. E. and S. T. Parks 1945-4-1 Humboldt Spruce Cove Trinidad 0 Comment
  UC535758  Oxalis oregana Eleanor Armstrong 1934-5-17 Humboldt Garden Club Grove Comment
  SEINET3347650 Image available Oxalis oregana Joseph P. Tracy 1918-5-28 4940 Humboldt High Prairie Creek, east of Bald Mt. Comment
  CAS-BOT-BC318149  Packera bolanderi var. bolanderi Albert Kellogg; W. G. W. Harford 1868-9 537 Humboldt unspecified Comment
  UC187239  Panicum acuminatum var. acuminatum Joseph P. Tracy 1900-8-26 925 Humboldt at Eureka Northern Coast Region, at Eureka 0 Comment
  UC526843  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1931-5-17 9428 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC23305  Papaver somniferum W. Wood Oct 1971 Humboldt McKinleyville Comment
  HSC93730  Parapholis incurva Gordon Leppig, Sylvia Leppig 1998-5-25 788 Humboldt Big Lagoon State Park. 1 Comment
  CDA6200  Parentucellia viscosa D. G. Kelch 2007-7-25 7 .505 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  CHSC69504  Parentucellia viscosa Vernon Oswald; Lowell Ahart 1997-9-4 8855 Humboldt Samoa Dunes Recreation Area at the south end of the North Split separating Humboldt Bay from the ocean. Near sea level. Comment
  JEPS4478  Parentucellia viscosa Joseph P. Tracy 1923-6-18 6284 Humboldt 1 mi s of point Cape Mendocino; Northern Coast Ranges 152 Comment
  UC1222448  Parentucellia viscosa Joseph P. Tracy 1934-6-18 13230 Humboldt Eureka 6 Comment
  CDA6400  Parentucellia viscosa G. D. Barbe, T. C. Fuller 1974-6-17 1827 Humboldt Murray Field, County Airport, north of Eureka. 0 Comment
  HSC95379  Parentucellia viscosa Andrea Pickart 2002-8-7 195 Humboldt Arcata Bottoms, along Lanphere Rd. 20 Comment
  RSA516351  Parentucellia viscosa Barbara Ertter, Tom Delendick 1987-5-16 6915 Humboldt Hwy 299, ca 8 mi E of Arcata, 9.5 mi W of Lord Ellis summit. Comment
  UC526851  Paspalum distichum Joseph P. Tracy 1934-8-14 13581 Humboldt South Fork of Eel River, 1 mi above its mouth 60 Comment
  HSC54592  Paxistima myrsinites Overton, Butler 1979-7-24 9660 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS10346  Pedicularis densiflora Lincoln Constance 1934-6-7 832 Humboldt Johnson Prairie; Bull Creek Region, South Fork Eel River Comment
  HSC56104  Pedicularis racemosa G. L. Clifton 1979-7-31 11836 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  JEPS19071  Pellaea andromedifolia Lincoln Constance 1934-6-4 813 Humboldt S Fork Eel River; Bull Creek Region Comment
  UC211497  Pellaea brachyptera Chesnut and Drew 1888-7-21 Humboldt Pilot Ridge Comment
  HSC55332  Penstemon anguineus Terry Griswold, Marvin Butler 1979-7-12 7176 Humboldt Near Groves Prairie, close to the town of Willow Creek 1256 Comment
  HSC76044  Penstemon anguineus Walter Overton, Marvin Butler 1979-8-2 12564 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  UC1198048  Penstemon anguineus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  HSC97964  Penstemon anguineus Cara Witte 2007-6-21 321 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  JEPS26253  Penstemon anguineus Joseph P. Tracy 1940-7-7 16671 Humboldt Grouse Mt. 1524 Comment
  HSC32305  Penstemon azureus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5649 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  RSA33403  Penstemon heterophyllus subsp. purdyi Doris K. Kildale 1925-5-30 860 Humboldt Bucilana Bridge. Comment
  JEPS11624  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-24 15512 Humboldt 2 mi se Devil's Hole; Trinity Summit, se of Devil's Hole 1584 Comment
  RSA120319  Penstemon laetus var. sagittatus S. S. Tillett 1956-7-6 608 Humboldt On E facing slope above Klamath River, along Ishi Rish Road, approx. 1.5 mi from Orleans. 198 Comment
  JEPS85630  Penstemon newberryi var. berryi W. L. Jepson July 16 - 23, 1902 2107 Humboldt Trinity Summit 2133 Comment
  UC1245388  Penstemon newberryi var. berryi Joseph T. Gregory 1935-7-26 765 Humboldt rocks near Water Dog Lakes Trinity Summit 1828 Comment
  HSC81903  Penstemon procerus var. brachyanthus Thomas W. Nelson 1979-7-11 4995 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  JEPS60093  Pentagramma triangularis subsp. triangularis Lincoln Constance 1934-5-24 630 Humboldt Bull Creek region; S Fork Eel River Comment
  UC183948  Perideridia kelloggii Joseph P. Tracy 1912-8-3 3967 Humboldt Dinsmore's Ranch Northern Coast Ranges, valley of Van Duzen River (opposite Buck Mt.) 762 Comment
  CAS-BOT-BC419741  Persicaria wallichii Mrs. C. D. Herriott 1954-9-2 s.n. Humboldt Along Redwood Highway between Trinidad Head and Patrick Point Comment
  HSC42200  Phacelia bolanderi Ed Cope 1977-4-23 22 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA167318  Phacelia bolanderi Joseph P. Tracy 1950-6-18 18852 Humboldt Briceland Comment
  HSC102541  Phacelia hastata subsp. hastata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1527 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC41590  Phacelia mutabilis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3615 Humboldt Alder Springs 1524 Comment
  RSA30622  Phacelia nemoralis subsp. oregonensis Lincoln Constance, R. C. Rollins 1942-5-11 2872 Humboldt Hoopa Valley 6 miles S of Hoopa. 122 Comment
  UC552718  Phalaris arundinacea Joseph P. Tracy 1935-6-8 13950 Humboldt along coast in front of South End Stone Lagoon (Dry Lagoon); in front of South End Stone Lagoon, Dry Lagoon 3 Comment
  RSA167286  Phalaris californica Joseph P. Tracy 1951-6-26 19599 Humboldt on Butter Valley Road, about 2 miles east of junction of Kneeland Prairie Road Comment
  CAS-BOT-BC76574  Philadelphus lewisii Alice Eastwood 1921-7-21 10671 Humboldt Van Duzer River, on the road. Comment
  JEPS49596  Philadelphus lewisii W. L. Jepson 1902-7-29 2124 Humboldt Hupa Valley; along streams 243 Comment
  LA97948  Philadelphus lewisii Jane Turner; Francis M. Ball 1962-7-10 SK&F- 1145 Humboldt East Fork Willow Creek Forest Camp, Six Rivers National Forest, highway 299 ca. 5 mi. W of Willow Creek 457 Comment
  HSC58545  Phleum pratense Overton, Butler 1979-7-23 9548 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC103243  Phlox adsurgens Lisa D. Hoover 1998-7-2 244 Humboldt Six Rivers National Forest, Sims Mtn. Quad, Lower Trinity Ranger District, along Route 1 in vicinity of Whiting Springs and Last Chance Ridge 1463 Comment
  RSA256575  Phlox adsurgens J. O. Sawyer 1970-6-24 2262 Humboldt S of Mill Creek Gap. F.S. Road 10N02. 1433 Comment
  HSC55604  Phlox diffusa Overton, Butler 1979-7-23 9428 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC1198553  Phlox douglasii subsp. rigida Joseph P. Tracy 1927-6-12 8142 Humboldt Horse Mountain 1432 Comment
  UC1103511  Phyllospadix torreyi Joseph P. Tracy 1917-5-30 4812 Humboldt ocean beach opposite Dows Prairie (probably derived from rocky shores n of Little River); Northern Coast Ranges Comment
  HSC31639  Physocarpus capitatus Glenn McGourty 1974-6-1 83 Humboldt Comment
  UC1541675  Physocarpus capitatus W. K. Parks June 1932 Humboldt vicinity of Trinidad Comment
  LA206239  Picea sitchensis Carl Epling; William Robison 1935-7-22 sn Humboldt near Patrick's Point Comment
  POM281983  Picea sitchensis Lyman Benson 1928-7-10 445 Humboldt Dunes at Clam Beach, Arcata to Trinidad. 15 Comment
  UC1585368  Picea sitchensis R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 53 Humboldt 0.5 km s Hwy 255 (on New Navy base Rd, w of Eureka); North Split of Samoa Peninsula Comment
  JEPS46797  Pinus attenuata P. E. Goddard 1901-1 Humboldt Hupa region Comment
  SD41323  Pinus contorta Edith A. Purer 1932-7-27 4132 Humboldt Samoa, near Arcata Comment
  UC63996  Pinus lambertiana Mrs. M. H. Manning 1901-1 Humboldt 5 mi from Hupa (Redwood trail) Comment
  CAS-BOT-BC73116  Pinus lambertiana C. D. Duncan 1920-9-1 s.n. Humboldt East side of Hoope Valley Comment
  UC1196428  Piperia transversa Joseph P. Tracy 1937-7-11 15419 Humboldt Garberville 152 Comment
  HSC102544  Piperia unalascensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1534 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC45213  Pityopus californicus R. York 1978-7-15 Humboldt Road to Brush Mt., China Timber Sale. Bulk Collection 139 1067 Comment
  RSA95501  Pityopus californicus Harry L. Buckalew s.n. Humboldt James Irvine Trail - 2 miles from the ocean; Prairie Creek State Park. Comment
  CAS-BOT-BC169835  Plagiobothrys Doris K. Kildale 1929-4-27 7450 Humboldt Willow Creek - Salya road along Trinity River. 3 miles N of Willow Comment
  UC1239622  Plagiobothrys nothofulvus Joseph P. Tracy 1937-5-16 15284 Humboldt summit ridge (Harris); Harris 914 Comment
  UC1222213  Plagiobothrys reticulatus Joseph P. Tracy 1942-5-16 17337 Humboldt Garberville 152 Comment
  UC526825  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1932-6-26 10274 Humboldt Fort Baker Ranch North Coast Ranges, Fort Baker Ranch 762 Comment
  JEPS60968  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1935-6-8 13949 Humboldt in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  UC180174 Image available Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1914-5-14 4469 Humboldt Fort Seward Northern Coast Ranges; Fort Seward, Humboldt Co. 121 Comment
  UC906674  Plantago coronopus Stuart K. Harris 1942-5-28 6982 Humboldt 1 mi w Fortuna (near Palmer Creek) 15 Comment
  HSC73154  Plantago lanceolata M. A. Baker 1980-5-18 1301 Humboldt Near Black Mtn. 1006 Comment
  RSA246721  Plantago major Robert F. Thorne, Percy C. Everett 1965-8-8 35233 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UCD124527  Plantago major Joseph P. Tracy 1942-7-25 17300 Humboldt Fickle Hill. 6 miles SE of Arcata. 609 Comment
  HSC26450  Plantago maritima T. O. Osborne 1970-6-6 12 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  HSC47999  Platanthera sparsiflora Brad Klipfel 1975-6-17 673 Humboldt Comment
  UC146105  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach Ocean Beach (Humboldt Bay); Northern Coast Region, , Ocean Beach Comment
  UC1541512  Plectritis ciliosa H. Parks and J. Tracy 1930-5-25 860 Humboldt Laribee Valley 762 Comment
  HSC45657  Plectritis congesta Diane L. Reed 1978-4-22 26 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC73817  Plectritis congesta Gail Newton 1980-6-7 121 Humboldt Near Brush Mtn. 1128 Comment
  HSC77899  Plectritis congesta subsp. congesta L. P. Janeway, Paul Wilson 1984-5-7 765 Humboldt North Spit of Humboldt Bay, near BLM lands near Coast Guard Station, 100 m NW of 'Flag 1 3 Comment
  HSC49370  Pleuricospora fimbriolata T. Jimerson, J. Pageau 1979-6-15 582 Humboldt West of FS 11N21, on the boundary between Sections 27 and 28. 762 Comment
  UC552670  Pleuropogon californicus Joseph P. Tracy 1935-5-25 13846 Humboldt Fort Seward 106 Comment
  HSC10676  Poa confinis J. W. Johnson 1962-5-10 1340 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  HSC10695  Poa douglasii J. W. Johnson 1962-5-6 1310 Humboldt W.M. Lanphere Farm, Samoa Peninsula. Comment
  UC569487  Poa douglasii H. S. Yates 1936-6-18 5726 Humboldt near mouth Little River; Eureka Quadrangle 4 Comment
  UC594152  Poa douglasii S. K. Harris 1936-6-15 3383 Humboldt Trinidad Head Comment
  POM161908  Poa howellii Joseph P. Tracy 1921-4-24 5451 Humboldt Phillipsville. Facing south fork of Eel River. 91 Comment
  UC1145110  Poa howellii Joseph P. Tracy 1946-6-23 17599 Humboldt Kneeland Prairie 762 Comment
  LA12560  Poa macrantha H. S. Yates; 1936-6-18 5726 Humboldt near mouth of Little River 4 Comment
  POM204873  Poa macrantha Joseph P. Tracy 1900-7-4 886 Humboldt Sand Hills of Ocean Beach at Samoa, opp. Eureka Comment
  SEINET10954258  Poa macrantha Harold E. Parks Parks 4805 Humboldt In sand at sea level, Little River Lagoon. Comment
  UCD91936  Poa pratensis A. Murphy 1951-4-19 s.n. Humboldt Tooby and Prior Ranch. Blocksburg. 457 Comment
  HSC73790  Poa secunda subsp. secunda Gail Newton 1980-6-28 709 Humboldt Near Mad River Butte. 1536 Comment
  HSC98802  Poa secunda subsp. secunda Cara Witte 2007-6-1 170 Humboldt Horse Mountain Botanical Area. Along Forest Service Road 6N38. 1502 Comment
  HSC98888  Poa secunda subsp. secunda Cara Witte 2007-6-5 208 Humboldt Along Forest Service Road 4N32. Near Grouse Mountain 1413 Comment
  UC180501  Poa secunda subsp. secunda Joseph P. Tracy 1913-6-14 4121 Humboldt opposite Buck Mt (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC1178965  Polemonium carneum Joseph P. Tracy 1924-5-25 6682 Humboldt Big Lagoon 3 Comment
  UC55943  Polygonum aviculare subsp. aviculare J. P. Tracy 1901-7-28 1219 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC101998  Polygonum bistortoides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 897 Humboldt Patterson Meadows 1555 Comment
  POM126162  Polygonum bolanderi Joseph P. Tracy 1921-8-21 5944 Humboldt Trinity River at mouth of South Fork. 152 Comment
  UC1198087  Polygonum convolvulus Joseph P. Tracy 1947-8-10 17881 Humboldt Eureka 30 Comment
  HSC55083  Polygonum douglasii G. L. Clifton, Griswold 1979-7-31 11747 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC672965  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1940-8-25 16707 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC144100  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1909-7-31 3038 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC55509  Polygonum douglasii subsp. spergulariiforme Mrs. M. H. Manning 1900-1 Humboldt Hupa Comment
  HSC54878  Polygonum minimum G. L. Clifton, Griswold 1979-7-25 10873 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC55270  Polygonum minimum Overton, Butler 1979-8-2 12643 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC72026  Polygonum persicaria Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC99496  Polygonum polygaloides subsp. kelloggii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 156 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  UC176682  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1912-7-31 3924 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1676 Comment
  UC672952  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1933-7-25 12868 Humboldt Grouse Mountain 1524 Comment
  RSA53825  Polygonum spergulariiforme H. M. Pollard 1945-8-25 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon. Comment
  UC709395  Polypodium Joseph P. Tracy 1941-3-26 16835 Humboldt at Willow Creek Willow Creek; Trinity River Valley 152 Comment
  HSC1129  Polypodium californicum W. R. Supernaugh, Jr. 1964-12-11 13 Humboldt 200 yards S of Trinidad harbor Comment
  HSC77901  Polypodium californicum L. P. Janeway, Paul Wilson 1984-5-7 764 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  SEINET182509 Image available Polypodium glycyrrhiza H. E. Parks 1924-6-1 2837 Humboldt Lawrence Creek Comment
  CAS-BOT-BC76841  Polypodium glycyrrhiza Volney Rattan 1903-1-1 s.n. Humboldt Above Mad River. Comment
  UC370620  Polypodium glycyrrhiza H. E. Parks 1925-6-17 3233 Humboldt Lawrence Creek Comment
  CAS-BOT-BC72083  Polypodium scouleri Ira L. Wiggins 1957-6-20 14133 Humboldt East side of highway, Trinidad Comment
  CAS-BOT-BC233070  Polypogon interruptus Kenneth Clark 1980-5-10 645 Humboldt Shelter Cove, On coastal bluffs of Point Delgada Comment
  CAS-BOT-BC233069  Polypogon interruptus W. A. Silveus 1938-7-9 2961 Humboldt Along road through Redwoods, S of Dyerville Comment
  RSA91992  Polypogon maritimus Joseph P. Tracy 1933-7-20 12811 Humboldt Along Mad River, near Blue Lake. 15 Comment
  HSC26168  Polypogon monspeliensis J. P. Smith 1970-6-7 3798 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC38921  Polypogon monspeliensis Linda M. Barker 1976-6-22 1625 Humboldt 3 mi. W of Arcata Comment
  UC50476  Polypogon monspeliensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5510 Humboldt near Camp Grant; near Camp Grant Comment
  UC1440057  Polystichum californicum Danin & H. G. Baker 1960-8-13 598 Humboldt ca. 2 mi n Dyerville (High Rock on w side of Eel River, along Ave. of the Giants) Comment
  HSC99526  Polystichum lonchitis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 190 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1372 Comment
Read comments
May 14 2014
  HSC76300  Polystichum munitum Alerie Gizinski 1981-8-20 304 Humboldt Near Buck Mtn. 975 Comment
  RSA698536  Polystichum munitum J. R. Bruff 1937-8-17 922 Humboldt Richardson Grove. Comment
  UC249777  Polystichum munitum Joseph P. Tracy 1924-8-10 6803 Humboldt near Strongs Station (on Van Duzen River); Northern Coast Ranges 60 Comment
  JEPS64534  Populus Joseph P. Tracy 1939-4-18 16211 Humboldt on South Fork of Eel River between Miranda and Redway (at Sylvandale); North Coast Ranges, South Fork of Eel River 91 Comment
  CAS-BOT-BC102905  Populus trichocarpa Doris K. Kildale 1926-3-24 1618 Humboldt Lindsey Creek bridge - Lower Mad River 26 Comment
  HSC69694  Populus trichocarpa R. Kalal 1980-6-8 11 Humboldt Pump Station #1, along the Mad River 14 Comment
  RSA430507  Populus trichocarpa Lyman D. Benson 1928-7-8 411 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 Comment
  RSA46732  Populus trichocarpa Doris K. Kildale 1927-5-15 3155 Humboldt Petrolia Comment
  UC1196668  Populus trichocarpa E. Ethel Tracy 1918-4-20 Humboldt Scotia Northern Coast Ranges, on Eel River (on Eel River) 30 Comment
  CAS-BOT-BC267145  Potamogeton foliosus Joseph P. Tracy 1934-8-14 13588 Humboldt S Fork of Eel River, midway between Miranda and Garberville Comment
  RSA296786  Potamogeton natans Clark L. Miller 1979-5-24 6 -154 Humboldt Clam Beach ponds off Highway 101, north of McKinleyville. Comment
  CAS-BOT-BC453765  Potamogeton natans L. R. Abrams 1916-7-18 6094 Humboldt Arcata to Trinidad Comment
  UC672877  Potamogeton pectinatus Joseph P. Tracy 1933-8-22 12983 Humboldt 1 mi w of Loleta (Mouth of Eel River); Eel River 3 Comment
  HSC102525  Potentilla drummondii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1512 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  CAS-BOT-BC142025  Potentilla drummondii Doris K. Kildale 1925-8-17 1233 Humboldt Waterdog Lake - Trinity Summit 1828 Comment
  HSC74394  Prosartes hookeri Gail Newton 1980-6-28 712 Humboldt Near Mad River Butte. 1536 Comment
  HSC99393  Prosartes hookeri K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 42 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC517502  Prosartes smithii Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC15479  Prosartes smithii S. R. Johnson 1965-3-28 22 Humboldt 1.0 mi. N of Luffenholtz Beach Comment
  SEINET12050377  Prosartes smithii F. H. Utech 1988-1 88 -271 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Mile Marker 11.40, Van Duzen County Park 50 Comment
  HSC72624  Prunella vulgaris subsp. lanceolata J. P. Smith 1977-7-3 9229 Humboldt On Forest Service Road 13N01 to Fish Lake, 3.5 mi. from its junction with Highway 36 488 Comment
  HSC102105  Prunus emarginata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1008 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC58063  Prunus emarginata G. L. Clifton, Griswold 1979-8-1 11940 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  JEPS44947  Prunus emarginata Joseph P. Tracy 1923-4-15 6195 Humboldt Hungry Hollow on Bald Mountain Bald Mountain; Northern Coast Ranges, Bald Mountain 762 Comment
  HSC94127  Prunus laurocerasus Gordon Leppig 2000-4-12 1291 Humboldt Arcata: behind Humboldt State University, W of Fern Lake 49 Comment
  UC1198768  Prunus virginiana var. demissa Joseph P. Tracy 1908-6 2852 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC467868  Prunus virginiana var. demissa P. E. Goddard 1906-6 671 Humboldt Lassecks Peak (=Signal Peak) Lassecks Peak Comment
  RSA46729  Prunus virginiana var. melanocarpa Doris K. Kildale 1937-8-10 15351 Humboldt High Divide Comment
Read comments
May 5 2014
  CAS-BOT-BC357447  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Northern Coast Ranges. Carlotta 60 Comment
  BLMAR704  Pseudognaphalium stramineum Jennifer Anthony-Wheeler 1994-9-8 704 Humboldt Samoa dunes, growing atop a knoll/dune with I the Samoa Pen. Rare plant area 15 Comment
  HSC5705  Pseudognaphalium stramineum W. D. Stevens 1967-7-22 60 Humboldt Above the dirt road from old Hwy. 101 to the top of the N bank of the Mad River Comment
  HSC88102  Pseudognaphalium stramineum R. W. Becking 1989-2-28 Humboldt Samoa, N Spit, Coast Guard back dunes Comment
  UC1223108  Pseudognaphalium thermale Joseph P. Tracy 1942-8-30 17303 Humboldt at Willow Creek Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC80120  Pseudotsuga menziesii Doris K. Kildale 1926-11-27 2840 Humboldt Alton Hill, old terrace above lower Van Duzen River Comment
  UC502911  Pseudotsuga menziesii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8960 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC44052  Pseudotsuga menziesii var. menziesii Thomas W. Nelson, Jane P. Nelson 1977-4-23 3345 Humboldt Tributary to Blanket Creek 1463 Comment
  HSC76291  Pseudotsuga menziesii var. menziesii Denis Kearns 1981-7-23 391 Humboldt Near Whiteys Peak 732 Comment
  UC1198276  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1922-10-22 6132 Humboldt between High Prairie and Snow Camp; Bald Mountain 1066 Comment
  UC1222910  Psilocarphus oregonus Joseph P. Tracy 1946-5-30 17542 Humboldt 5 mi e Carlotta (by old Strong's District School House, Riverside Park nearby) 60 Comment
  OBI15564  Psilocarphus tenellus Joseph P. Tracy 2017-5-27 4783 Humboldt Northern Coast Ranges. Eureka 61 Comment
  UC503059  Pteridium aquilinum var. pubescens Joseph P. Tracy 1932-7-20 10732 Humboldt Corral Prairie Trinity Summit; Klamath Mts 1524 Comment
  UC1197752  Pterospora andromedea Joseph P. Tracy 1948-8-15 18119 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC10866  Puccinellia nutkaensis R. H. Berg 1963-4-11 25 Humboldt Arcata Comment
  HSC17977  Pyrola aphylla D. E. Anderson 1965-5-15 3685 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  UCD117813  Pyrola aphylla K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 609 Comment
  SJSU909  Pyrola asarifolia J. W. Tilden 1946-6-21 1013 Humboldt Bluff Cr c. 1.5 mi above Klamath R Comment
  HSC44551  Pyrola crypta Brad Klipfel 1973-7-15 170 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC162733  Pyrola picta Joseph P. Tracy 1911-7-7 3437 Humboldt Brannan Mountain, viz. Ridge North of Willow Creek, between Willow and Campbell Creeks near the Summit 1219 Comment
  UC1326244  Pyrola picta Milo S. Baker 1947-8-10 11908 Humboldt near end of Forest Rd. from Hoopa toward Trinity Summit 1371 Comment
  BLMAR168  Quercus Donald Hazlett 1994-6-7 168 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC8106  Quercus chrysolepis D. E. Anderson 1961-9-30 1840 Humboldt Blue Lake 793 Comment
  UC1196531  Quercus chrysolepis Joseph P. Tracy 1921-8-21 5938 Humboldt near Willow Creek (at mouth of South Fork of Trinity); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1196534  Quercus chrysolepis Joseph P. Tracy 1911-6-8 3446 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UCD82872  Quercus chrysolepis Rodney Gale Myatt 1971-9-21 1185 -14 Humboldt Near Orleans, northeast of Hoopa Reservation, along Klamath River. 185 Comment
  CAS-BOT-BC94313  Quercus garryana Doris K. Kildale 1928-7-1 5666 Humboldt Klamath River at Bluff Creek Comment
  UC1193249  Quercus garryana R. H. Neuns 1950-7-31 Humboldt Mail Ridge, e headwaters of Stuhead Creek Mail Ridge, Stuhead Creek 883 Comment
  UC1135607  Quercus garryana R. Stahelin 1933-8-20 Humboldt Liscomb Hill Eureka Quad. Comment
  HSC8258  Quercus kelloggii R. E. Thill 1965-5-15 30 Humboldt 3 mi W of Berry Summit on Hwy. 299 Comment
  JEPS37764  Quercus kelloggii W. L. Jepson 1902-6 1956 Humboldt Green Point Ranch Redwood Creek 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
  UC1196360  Quercus kelloggii Joseph P. Tracy 1923-11-11 6592 1/2 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD40029  Quercus kelloggii Rodney Gale Myatt 1971-9-17 1109 Humboldt Near Phillipsville, above river. About 8 mi. north of Garberville, along Hwy 101. Comment
  HSC41271  Quercus vacciniifolia Brad Klipfel 1974-6-25 417 Humboldt Horse Mtn. Comment
  SBBG11822  Quercus vacciniifolia D. E. Breedlove 1961-7-4 647 Humboldt 7 mi W of Willow Crk on US Hwy 299 521 Comment
  UC212981  Quercus vacciniifolia Joseph P. Tracy 1919-9-23 5286 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UCR165264  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt Six Rivers National Forest (formerly part of Trinity National Forest) on Horse Mountain at junction of road to Grouse Mt. and road to Horse Mt. Mine 1463 Comment
  UC1196264  Ranunculus J. P. Tracy 1902-8-10 1766 Humboldt R. R. Station Immediate vicinity of Eureka 0 Comment
  UC160948  Ranunculus alismifolius var. alismellus Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5767 Humboldt Trinity Summit Comment
  HSC26634  Ranunculus alismifolius var. alismifolius Thomas W. Nelson 1971-5-31 452 Humboldt Vernal pond Comment
  UC118293  Ranunculus aquatilis var. hispidulus W. W. Price 1890-6-30 Humboldt Jarnigans Comment
  UC668066  Ranunculus flammula Joseph P. Tracy 1937-5-30 15312 Humboldt shallow pool near Bosworth's; Larrabee Creek 365 Comment
  UC503037  Ranunculus occidentalis Joseph P. Tracy 1929-7-4 8608 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  HSC71029  Ranunculus occidentalis Thomas W. Nelson 1977-4-20 3321 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  UC1542885  Ranunculus parviflorus Harold E. Parks 1930-5-25 874 Humboldt Laribee Valley 762 Comment
  JEPS79962  Ranunculus repens Joseph P. Tracy 1918-4-7 4868 Humboldt Little River Northern Coast Ranges (mouth) 30 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
  HSC18182  Ranunculus repens var. repens V. G. Vieira 1963-4-24 7 Humboldt Essex Pond Comment
  CAS-BOT-BC74183  Raphanus raphanistrum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  RSA34319  Raphanus sativus Doris K. Kildale 1926-5-7 1506 Humboldt Bucksport. Eureka. Comment
  CDA35696  Rhamnus californica subsp. occidentalis T. Gallion 1958-7-11 Humboldt Weitchpec. 0 Comment
  UC726369  Rhamnus purshiana A. A. Heller 1923-7-9 13775 Humboldt 5 mi from Arcata (near Blue Lake) Comment
  RSA355693  Rhamnus purshiana Walter Wisura, Dave Kelly 1986-7-30 4134 Humboldt N of Crannel, on Lousiana Pacific Lumber Co. property, ca. 6 mi beyond the gate, beyond the nursery area, at edges of opening in Redwood forest. Comment
  CAS-BOT-BC58192  Rhododendron columbianum Doris K. Kildale 1927-6-26 3593 Humboldt Patick's Point. Comment
  HSC12372  Rhododendron columbianum Steve Dorei 1970-10-14 100 Humboldt Big Lagoon Comment
  CAS-BOT-BC56614  Rhododendron macrophyllum Ella Dales Cantelow 1936-5-17 1235 Humboldt 9 mi. e. of Orick Comment
  UC154176  Rhododendron macrophyllum Mrs. M. H. Manning 1900-7 Humboldt near Hupa Comment
  CAS-BOT-BC200385  Rhododendron occidentale var. paludosum Doris K. Kildale 1928-7-1 5305 Humboldt French Camp - Orick-Martin's [Martins] Ferry road Comment
  CAS-BOT-BC433133  Ribes Doris K. Kildale; L. B. Kildale 1930-4-27 9565 Humboldt Prairie Creek near Orick Comment
  CAS-BOT-BC433135  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9558 Humboldt McClellan Hill near Bridgeville 609 Comment
  CAS-BOT-BC433144  Ribes Doris K. Kildale 1928-5-1 5989 Humboldt MacLellan [McClellan] Mountain 914 Comment
  HSC103230  Ribes binominatum Jade Paget-Seekins 2010-6-23 27 Humboldt Horse Mountain. Slightly less than 10 miles up Titlow Hill Road, on Forest Route 1. Near 'Road Narrows' sign. 1558 Comment
  HSC40677  Ribes binominatum Thomas W. Nelson, Jane P. Nelson 1976-6-22 2847 Humboldt Along Rd. to Goat Hill. 1646 Comment
  UC70553  Ribes bracteosum J. Burtt Davy 1899-6-13 5504 Humboldt near Camp Grant; North Coast Ranges, Eel River Comment
  OBI14064  Ribes divaricatum var. klamathense Joseph P. Tracy 1941-3-26 16813 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek Comment
  CAS-BOT-BC108907  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1939-4-27 16227 Humboldt Mouth of Little River. 6 Comment
  UC902060  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1945-5-10 17507 Humboldt on original Ricks Prairie Eureka 45 Comment
  BLMAR564  Ribes inerme Jennifer Wheeler 2010-3-29 564 Humboldt Headwaters Forest Reserve, along Elk River Trail within first mile, east side trail 42 Comment
  HSC23682  Ribes lacustre J. O. Sawyer 1971-6-14 2381 Humboldt E Fork of Horse Linto Creek at Grizzly Camp. 1341 Comment
  JEPS79965  Ribes lacustre Joseph P. Tracy Jul 16 1930-Jul 19 1930 9078 Humboldt near McKay Camp (Northern Coast Ranges, South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC492208  Ribes lacustre Joseph P. Tracy 1932-7-16 10623 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC173367  Ribes lobbii Joseph P. Tracy 1948-9-5 18177 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar) 1280 Comment
  UC11588  Ribes lobbii Harley P. Chandler June 1901 1278 Humboldt Hupa Indian Reservation North Coast Ranges 1097 Comment
  UC1198937  Ribes marshallii Joseph P. Tracy 1932-7-15 10591 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  UC1198929  Ribes menziesii Joseph P. Tracy 1936-3-22 14783 Humboldt 4 mi se Korbel (Angel's Ranch) 457 Comment
  UC552244  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  RSA0024582  Ribes roezlii Carolyn Sanford 1977-4-23 332 Humboldt 2.5 miles south of Shelter Cove Road, south fork of Bear Creek at Wailaki Campground 561 Comment
  UC1222373  Ribes roezlii Joseph P. Tracy 1950-7-31 19235 Humboldt near Muddy Lake; Grouse Mountain 1524 Comment
  RSA0024751  Ribes roezlii S. S. Tillett 1956-7-6 626 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  CAS-BOT-BC198901  Ribes roezlii var. cruentum Thomas W. Nelson; Jane P. Nelson 1977-5-30 3418 Humboldt Growing beside State Route 36 just west of Dinsmore at highway bridge over Van Duzen River 731 Comment
  UC667061  Ribes roezlii var. cruentum Joseph P. Tracy 1934-3-11 13153 Humboldt French Camp Ridge 1066 Comment
  UC1541336  Ribes sanguineum Harold E. Parks February 1934 4827 Humboldt Spruce Cove Trinidad Comment
  HSC103217  Ribes sanguineum var. glutinosum Jade Paget-Seekins 2010-3-14 3 Humboldt McKinleyville, west end of Hiller Park. 10 Comment
  HSC37844  Ribes sanguineum var. glutinosum Thomas W. Nelson, James Nelson 1976-3-11 2266 Humboldt Beside Eel River just N of terminus of Singley Rd. Comment
  UC1198910  Ribes sanguineum var. glutinosum Joseph P. Tracy 1928-4-22 8412 Humboldt Willow Creek Canyon Northern Coast Ranges 762 Comment
  UC921844  Ribes sanguineum var. glutinosum C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  CDA25580  Ribes sanguineum var. sanguineum Gordon Leppig 1998-6-1 875 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  RSA0018246  Ribes sanguineum var. sanguineum Thomas W. Nelson 1977-6-15 3426 Humboldt Along Forest Road 5N10 just north of junction with Road 6N08. 1372 Comment
  HSC103129  Ribes viscosissimum M. Mesler 2009-7-31 813 Humboldt South Fork Mtn. FS 1, 9.7 north of intersection with 4N12 1738 Comment
  HSC44194  Ribes viscosissimum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3489 Humboldt Along W side of road to Goat Hill 1616 Comment
  UC165854  Rigiopappus leptocladus Joseph P. Tracy 1903-5-23 1893 Humboldt Alder Point Northern Coast Ranges 243 Comment
  HSC100714  Rigiopappus leptocladus Carl C. Marshall Jul 1887 450 Humboldt Rock near Asbill's Ranch. Comment
  HSC12721  Romanzoffia californica C. E. Fellows 1970-5-1 264 Humboldt 11 mi. W of Willow Creek, S side of Hwy. 299 Comment
  HSC13753  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-11 2870 Humboldt 3 mi. E of E Fork of Willow Creek Comment
  HSC73175  Romanzoffia californica M. A. Baker 1980-5-17 1250 Humboldt Near Le Perron Peak 1066 Comment
  HSC19615  Rosa californica Lincoln Constance 1934-5-26 654 Humboldt South Fork Eel River, S end of Dyerville Bridge. Comment
  HSC19619  Rosa canina D. E. Anderson 1965-5-15 3700 Humboldt 5 mi. N of Hoopa on Bald Hills Rd. 198 Comment
  HSC63029  Rosa canina J. P. Smith, J. O. Sawyer 1973-5-12 6709 Humboldt Jct. of Big Hill Rd. and SR 96 at Hoopa Comment
  CAS-BOT-BC146491  Rosa gymnocarpa Doris K. Kildale; L. B. Kildale 1930-5-24 9550 Humboldt Hoopa Valley 152 Comment
  JEPS47241  Rosa gymnocarpa W. L. Jepson 1932-7-30 16462 Humboldt Bull Creek 121 Comment
  SEINET200819  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain ,viz. Ridge north of Willow Creek, between Willow and Campbell Creeks, near the summit 1219 Comment
  UC914721  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt along bank of creek between Blue Lake and Willow Creek; Redwood Creek Comment
  HSC98790  Rosa gymnocarpa var. gymnocarpa Cara Witte 2007-6-14 278 Humboldt Along National Forest 1. Near Kinsey Ridge. 3/4 mile south of intersection with 4N06. 1256 Comment
  UC902161  Rosa nutkana var. nutkana Joseph P. Tracy 1942-9-20 17320 Humboldt 2 mi s of town Field's Landing 6 Comment
  HSC60108  Rosa pisocarpa M. A. Baker 1978-5-2 451 Humboldt Elk Head Comment
  SEINET4092393  Rosa pisocarpa O. M. Clark 1932-1 782 Humboldt South Eureka. Comment
  UC154494  Rosa pisocarpa Harley P. Chandler June 1901 1544 Humboldt Klamath River North Coast Ranges 457 Comment
  UC667035  Rosa pisocarpa Joseph P. Tracy 1933-8-30 13020 Humboldt Grouse Mt. 1432 Comment
  UC667040  Rosa pisocarpa subsp. pisocarpa Joseph P. Tracy 1940-7-14 16691 Humboldt on river bank Garberville 152 Comment
  HSC99308  Rosa rubiginosa C. B. Wolf 1927-8-30 1251 Humboldt 3 mi. S of Thorn along old coast road Comment
  JEPS45684  Rosa spithamea Joseph P. Tracy 1925-7-12 7196 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC162328  Rosa spithamea Joseph P. Tracy 1911-7-11 3514 Humboldt hillside on Supply Creek Northern Coast Ranges, Hoopa Valley 182 Comment
  CAS-BOT-BC148354  Rubus lasiococcus Joseph P. Tracy 1930-7-17 9021 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  CAS-BOT-BC148384  Rubus leucodermis Doris K. Kildale 1927-7-3 3662 Humboldt Willow Creek Flat 152 Comment
  HSC57010  Rubus leucodermis Overton, Butler 1979-7-24 9603 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  JEPS47714  Rubus leucodermis W. L. Jepson 1932-8-8 16532 Humboldt Perrott Creek Comment
  CAS-BOT-BC156719  Rubus spectabilis David D. Keck; J. Clausen 1935-6-16 3394 Humboldt Mouth of Little River, at roadside Comment
  CHSC19742  Rubus spectabilis Gary J. Stebbins 1970-2-21 9 Humboldt Patricks Point State Park. Comment
  HSC37377  Rubus spectabilis Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 503 Humboldt Along Lost Man Creek. 38 Comment
  UC1199045  Rubus spectabilis Joseph P. Tracy 1920-2-29 5311 Humboldt at Eureka Northern Coast Ranges, at Eureka 0 Comment
  UC1281057  Rubus spectabilis H. E. McMinn 1931-6-28 2545 Humboldt Orich Requa; Orich to Requa Comment
  UC14181  Rubus spectabilis W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  HSC12759  Rubus ursinus M. J. Athey 1970-11-5 20 Humboldt Havenway in Westhaven, Trinidad Comment
  UCD17613  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 052 Humboldt California. Humboldt County: 27.8 miles from Ettersburg toward Dyerville. Comment
  UCD17621  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 043 Humboldt California. Humboldt County: 2.3 miles from Ettersburg on road from Briceland. Comment
  UC146145  Rumex J. P. Tracy 1906-8-18 2543 Humboldt immediate vicinity Eureka 0 Comment
  HSC54014  Rumex acetosella Griswold, Butler 1979-7-12 7153 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC672931  Rumex acetosella Joseph P. Tracy 1930-7-17 9028 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC17571  Rumex acetosella D. E. Anderson 1961-9-30 1836 Humboldt Comment
  HSC32426  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  RSA256728  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills road. 549 Comment
  RSA53799  Rumex conglomeratus H. M. Pollard 1945-8-24 s.n. Humboldt Between Orleans and Camp Creek Klamath River Canyon. Comment
  UC183585  Rumex obtusifolius Joseph P. Tracy 1913-6-1 4077 Humboldt Eureka Northern Coast Region 0 Comment
  UC672927  Rumex occidentalis Joseph P. Tracy 1936-6-3 14854 Humboldt near Lack Pond; Trinity River Valley, Willow Creek 152 Comment
  UCD101361  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Trinity Summit. Box Camp. 1463 Comment
  UCD101474  Rumex transitorius Malcolm A. Nobs; S. Galen Smith 1958-8-9 1237 Humboldt Southern end of town of Blue Lake on Mad River. Comment
  UC249558  Ruppia maritima W. L. Jepson and J. P. Tracy 1921-8-7 5862 Humboldt Stone Lagoon; Northern Coast Region 3 Comment
  HSC59504  Ruppia maritima M. A. Erickson 1979-5-23 305 Humboldt Arcata, creek adjacent to an abandoned logging pond at the S end of H St., Arcata Comment
  UC668106  Sagina apetala Joseph P. Tracy 1933-3-19 12200 Humboldt Alton to Fortuna (Eel R.); Eel R. 15 Comment
  UC161048  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-4-30 2172 Humboldt sand dunes of Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC129897  Salix bonplandiana Joseph P. Tracy 1933-6-9 12528 Humboldt Shively, along Eel River - Northern Coast Ranges 30 Comment
  CAS-BOT-BC103455  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  HSC99700  Salix exigua Glenn W. K. Shelton 2010-7-10 30 Humboldt Van Duzen River along State Rte. 36, 2 mi. W of Grizzly Creek Redwoods State Park, across from mile marker 15.00 91 Comment
  UC1173601  Salix exigua var. hindsiana Joseph P. Tracy 1935-6-22 13963 Humboldt Eel R. at mouth of Larrabee Creek 45 Comment
  UC1196604  Salix exigua var. hindsiana Joseph P. Tracy 1935-5-12 13797 Humboldt Trinity R. Valley at Willow Creek Trinity R. Valley 152 Comment
  UC490574  Salix exigua var. hindsiana Joseph P. Tracy 1932-7-31 10289 Humboldt along Eel R. from S. Fork to Scotia (mouth of Larrabee Creek); Northern Coast Ranges 60 Comment
  HSC100648  Salix flavescens Carl C. Marshall Mar 1887 390 Humboldt Humboldt Hill. Comment
  CAS-BOT-BC104094  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0969 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  RSA0038361  Salix hindsiana var. leucodendroides Harold E. Parks 1931-8-25 01061 Humboldt Blue Slide, Van Duzen River. 90 Comment
  CAS-BOT-BC107719  Salix hookeriana W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  HSC90432  Salix hookeriana Jean Hanson 1980-3-8 19 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS12912  Salix hookeriana Joseph P. Tracy 1927-4-23 7923 Humboldt mouth of Little River (edge of sand dunes); Northern Coast Ranges 6 Comment
  JEPS12915  Salix hookeriana Joseph P. Tracy 1927-5-1 7953 Humboldt sandunes near Samoa; Northern Coast Region, on Humboldt Bay 6 Comment
  POM219566  Salix hookeriana H. E. Parks 1931-3-24 915 Humboldt Trinidad. 90 Comment
  SD936  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna, on banks of Eel River 10 Comment
  UC1196546  Salix hookeriana Joseph P. Tracy 1926-3-14 7390 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC1196630  Salix hookeriana J. P. Tracy 1905-3-26 2151 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1225928  Salix hookeriana Joseph P. Tracy 1947-2-23 17668 Humboldt Bridgeville Van Duzen River (along river) 198 Comment
  UC275496  Salix hookeriana Joseph P. Tracy 1925-10-11 7279 Humboldt near Kneeland Prairie (near Loren Frost place on Kneeland Rd.); Northern Coast Ranges 609 Comment
  UC275526  Salix hookeriana Joseph P. Tracy 1924-9-21 6884 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC469128  Salix hookeriana Joseph P. Tracy 1931-4-4 9330 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC470431  Salix hookeriana Joseph P. Tracy 1927-9-25 8382 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  UC490458  Salix hookeriana Joseph P. Tracy 1932-5-10 9952 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC490473  Salix hookeriana Joseph P. Tracy 1932-6-26 10262 Humboldt Valley of S. Yager Creek Northern Coast Ranges, Valley of S. Yager Creek 762 Comment
  UC504053  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 5 Humboldt around Eureka Comment
  UC512001  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1236 Humboldt Blue Slide Van Duzen River 91 Comment
  UC512122  Salix hookeriana Harold E. Parks and Joseph P. Tracy 1933-3-19 11007 Humboldt 2 mi w Bridgeville; Van Duzen River 228 Comment
  JEPS14791  Salix jepsonii Joseph P. Tracy 1933-7-16 12773 Humboldt meadow at McKay Camp S. Fork Mt.; Northern Coast Ranges 1676 Comment
  HSC19988  Salix lasiandra H. E. Parks 1931-3-24 911 Humboldt Along lower Eel River, near Fortuna Comment
  UC1196577  Salix lasiandra subsp. lasiandra J. P. Tracy 1901-3-31 995 Humboldt immediate vicinity Eureka 0 Comment
  HSC96574  Salix lasiandra var. lasiandra Gordon Leppig 2003-2-20 1807 Humboldt Eureka Slough, Cooper Gulch 5 Comment
  CAS-BOT-BC107019  Salix lasiolepis Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01233 Humboldt On floodplain of the Van Duzen River, 1 1/2 miles east of Alton 30 Comment
  CAS-BOT-BC107620  Salix lasiolepis Doris K. Kildale 1929-2-28 6952 Humboldt Samoa Peninsula Comment
  CHSC96698  Salix lasiolepis Gordon Leppig 1999-4-15 1119 Humboldt Big Lagoon County Park, Big Lagoon Bog. On western edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  JEPS12948  Salix lasiolepis Joseph P. Tracy 1932-3-6 9776 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS13081  Salix lasiolepis Joseph P. Tracy 1939-8-5 16392 Humboldt Van Duzen River at Dinsmore's 737 Comment
  LA208772  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150.0 Comment
  POM219355  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469411  Salix lasiolepis Joseph P. Tracy 1927-4-10 7886 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469423  Salix lasiolepis Joseph P. Tracy 1931-8-16 9613 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  UC481181  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  UC481291  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481339  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC481340  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC481809  Salix lasiolepis H. P. Bracelin 1931-5-1 269 Humboldt Sylvandale, between Miranda and Meyers South Fork of Eel River Comment
  UC490546  Salix lasiolepis Joseph P. Tracy 1932-4-24 9806 Humboldt between Miranda and Redway (S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  UC506391  Salix lasiolepis Joseph P. Tracy 1933-2-26 10914 Humboldt along S. Fork Eel R. Miranda; North Coast Ranges, S. Fork Eel R., Miranda 121 Comment
  UC506404  Salix lasiolepis Joseph P. Tracy 1932-10-8 10866 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC511983  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1247 Humboldt Van Duzen R. at Blue Slide; Van Duzen R., Blue Slide 91 Comment
  UC512041  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1322 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  CDA39554  Salix lasiolepis Gordon Leppig 1999-4-15 1118 Humboldt Big Lagoon County Park; Big Lagoon Bog. Comment
  RSA171960  Salix lucida subsp. lasiandra Robert F. Thorne 1957-9-2 18988 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  HSC20060  Salix melanopsis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1237 Humboldt Van Duzen River at Blue Slide 91 Comment
  JEPS13096  Salix melanopsis Joseph P. Tracy 1937-8-3 15611 Humboldt along Mad River near Blue Lake 15 Comment
  POM220143  Salix melanopsis H. E. Parks, Joseph P. Tracy 1931-5-17 972 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  SBBG57931  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy, 6 km S of Alton Comment
  SD976  Salix melanopsis Harold E. Parks 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta 14 Comment
  UC1196569  Salix melanopsis Joseph P. Tracy 1932-5-1 9851 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC469445  Salix melanopsis Joseph P. Tracy 1931-10-3 9706 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC469456  Salix melanopsis Joseph P. Tracy 1931-9-7 9632 Humboldt Trinity R. Valley at Willow Creek Bridge; Northern Coast Ranges, Trinity R Valley, Willow Creek 152 Comment
  UC470452  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC481384  Salix melanopsis Harold E. Parks 1931-3-26 909 Humboldt on Van Duzen R. Alton; Van Duzen R. 15 Comment
  UC490555  Salix melanopsis C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 10073 Humboldt Redwood Creek at Berrys; North Coast Ranges, Redwood Creek 274 Comment
  UC519375  Salix melanopsis Joseph P. Tracy 1933-6-11 12551 Humboldt S. Fork Eel R. near Miranda; Northern Coast Ranges, S. Fork Eel R. 60 Comment
  POM92416  Salix melanopsis L. R. Abrams 1922-6-25 8227 Humboldt 6 miles N of Garberville Comment
  CAS-BOT-BC129206  Salix piperi Doris K. Kildale 1928-3-27 4360 Humboldt Freshwater Comment
  CAS-BOT-BC129247  Salix piperi Joseph P. Tracy 1934-9-22 13676 Humboldt Mouth of Mad River 9 Comment
  HSC102196  Salix scouleriana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1110 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
Read comments
Jul 9 2015
  SBBG57977  Salix scouleriana H. E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay Comment
  SJSU172  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen R 448 Comment
  UC303005  Salix scouleriana Joseph P. Tracy 1926-2-28 7378 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC490506  Salix scouleriana Joseph P. Tracy 1932-8-11 10338 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  UC512015  Salix scouleriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1228 Humboldt pine barrens near coast 1 mi. n. Samoa Comment
  UC519354  Salix scouleriana Joseph P. Tracy 1933-7-11 12706 Humboldt Grouse Mt.; North Coast Ranges, Grouse Mt. 1524 Comment
  UC525976  Salix scouleriana H. E. Parks 1933-1-24 1352 Humboldt Spruce Cove (Parks Ranch) Trinidad Comment
  CAS-BOT-BC128993  Salix sitchensis Doris K. Kildale 1929-2-28 6948 Humboldt Arcata - hills back of State Teachers College Comment
  CAS-BOT-BC128995  Salix sitchensis Joseph P. Tracy 1933-7-16 12773 Humboldt South Fork Mountain: in wet meadow at McKay Camp 1676 Comment
  HSC20100  Salix sitchensis J. P. Tracy 1933-3-19 10930 Humboldt Blue Slide, Van Duzen River 91 Comment
  HSC33297  Salix sitchensis R. W. Becking, Thomas Overturf 1975-3-25 705 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  HSC37880  Salix sitchensis Thomas W. Nelson 1976-3-22 2282 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  JEPS38446  Salix sitchensis Joseph P. Tracy 1926-12-5 7833 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  UC1173577  Salix sitchensis Joseph P. Tracy 1936-6-27 15007 Humboldt along S. Fork Eel R. Miranda; S. Fork Eel R. 91 Comment
  UC1196723  Salix sitchensis Joseph P. Tracy 1926-2-21 7361 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481214  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC511992  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1240 Humboldt floodplain of Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC54676  Salix sitchensis J. P. Tracy 1901-4-7 1008 Humboldt vicinity of Eureka 0 Comment
  JEPS12179  Salpichroa origanifolia Joseph P. Tracy 1933-8-22 12972 Humboldt Eureka 0 Comment
  POM87680  Sambucus callicarpa L. R. Abrams 1922-6-27 8281 Humboldt Big Lagoon south of Orick Comment
  JEPS26115  Sambucus mexicana Peter H. Raven with R. Snow 1958-7-20 13643 Humboldt on Titlow Hill Rd 1.1 mi s junction of Friday Ridge Road (near Grouse Ridge) Comment
  HSC58198  Sambucus nigra subsp. caerulea G. L. Clifton, Griswold 1979-8-2 12300 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CHSC68492  Sambucus racemosa var. racemosa Vernon H. Oswald 1997-4-10 8322 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  HSC3983  Sambucus racemosa var. racemosa Francis Winter 1960-4-19 Humboldt Samoa pennisula, 3 mi. N of U. S. Coast Guard Station, near Arcata. 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
  UC180212  Sanguisorba officinalis subsp. microcephala Joseph P. Tracy 1914-9-6 4602 Humboldt Bald Mountain, between High Prarie and Snow Camp Northern Coast Ranges 1219 Comment
  HSC49243  Sanicula arctopoides Sheila Logan 1978-4-7 5 Humboldt Samoa sand dunes, 1/4 mi. N of Coast Guard Station. Comment
  UC154104  Sanicula arctopoides Joseph P. Tracy 1904-4-24 2021 1/2 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC23089  Sanicula bipinnatifida D. E. Anderson 1965-5-1 3564 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  HSC23090  Sanicula crassicaulis D. E. Anderson 1965-5-1 3563 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  HSC38937  Sanicula crassicaulis Linda M. Barker 1976-5-13 1485 Humboldt 3 mi. W of Arcata. Comment
  JEPS282  Sanicula crassicaulis Joseph P. Tracy 1927-5-8 7968 Humboldt facing South Fork of Eel River (Phillipsville); Phillipsville 121 Comment
  UC1197097  Sanicula crassicaulis Joseph P. Tracy 1914-5-14 4426 Humboldt Northern Coast Ranges, Fort Seward Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  BLMAR197  Sanicula laciniata Donald Hazlett 1994-6-7 197 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC642319  Sanicula laciniata Joseph P. Tracy 1938-3-27 15701 Humboldt along South Fork of Eel River, Miranda South Fork Eel River; , Miranda 121 Comment
  HSC68997  Sanicula tracyi Jacqueline Greenleaf 1980-8-12 321 Humboldt Near Pistol Spring. 1082 Comment
  HSC99066  Sanicula tuberosa C. Witte 2007-5-18 40 Humboldt Grouse Mountain Lookout. 1644 Comment
  UC412776  Sarcodes sanguinea P. E. Goddard 1906-6 681 Humboldt ridge near <Lassick> Peak Comment
  UC492224  Saxifraga californica Joseph P. Tracy 1927-4-10 7896 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC666822  Saxifraga ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt near Ranger Station (Trinity Summit); Trinity Summit 1828 Comment
  BLMAR287  Saxifraga mertensiana Jennifer Anthony-Wheeler 2000-4-18 287 Humboldt King range, growing on rocky ridgeline, outcrop/vista in millcrk forest 402 Comment
  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
  CAS-BOT-BC111381  Schoenoplectus acutus var. occidentalis Carl B. Wolf 1927-8-22 771 Humboldt Big Lagoon Comment
  HSC79388  Schoenoplectus americanus Kenneth Clark 1980-5-10 651 Humboldt Shelter Cove, western beach of Point Delgada at 10 ft. above high tide Comment
  UC1103629  Scirpus cernuus Joseph P. Tracy 1926-8-29 7779 Humboldt near Samoa (on shore around Humboldt Bay); Northern Coast Region, Humboldt Bay, near Samoa 3 Comment
  UC183681  Scirpus microcarpus Joseph P. Tracy 1914-9-13 4628 Humboldt at Eureka; Northern Coast Region, at Eureka 0 Comment
  BLMAR463  Scirpus microcarpus Jennifer Anthony-Wheeler 2007-8-9 463 Humboldt Samoa Peninsula, growing on Lanphere road 12 Comment
  UC275519  Scoliopus bigelovii Joseph P. Tracy 1924-3-9 6615 Humboldt Lawrence Creek near Kneeland Prairie; Northern Coast Ranges, Lawrence Creek 609 Comment
  UC582593  Scrophularia californica Joseph P. Tracy 1933-8-22 12980 Humboldt Eureka 6 Comment
  HSC31640  Scrophularia californica Glenn McGourty 1974-6-1 82 Humboldt Comment
  UCR122374  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 7011 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  HSC56430  Scutellaria antirrhinoides Griswold, Butler 1979-7-10 7138 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC32583  Scutellaria siphocampyloides Chesnut and Drew 1888-7-29 Humboldt Louse Creek Comment
  RSA178561  Sedum divergens Joseph P. Tracy 1950-8-8 19294 Humboldt Croghan Hole, on Trinity Summit Comment
  HSC79342  Sedum laxum subsp. flavidum D. K. Imper 1983-6-15 Humboldt Along Hwy. 299 S of Hwy, adjacent to swimming hole Comment
  UC1198839  Sedum laxum subsp. heckneri Joseph P. Tracy 1933-8-30 13015 Humboldt Grouse Mountain Grouse Mountain (on rock ledge) 1371 Comment
Read comments
Aug 17 2011
  HSC58050  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-8-1 11911 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  UC302107  Sedum radiatum Joseph P. Tracy 1926-7-5 7726 Humboldt Valley of South Yager Creek Northern Coast Ranges, Valley South Yager Creek 762 Comment
  CHSC79937  Selaginella wallacei L. P. Janeway 1996-8-4 5061 Humboldt High North Coast Ranges. Along Titlow Hill Road (Road #1) about 0.3 mi west of the spur road to top of Horse Mountain. 1341 Comment
  CAS-BOT-BC69736  Selaginella wallacei Peter H. Raven 1952-5-31 4126 Humboldt Hills sw. of Rector Canyon. 152 Comment
  HSC26744  Senecio elegans D. A. Haskell 1966-4-30 54 Humboldt Near the town of Samoa Comment
  HSC48773  Senecio elegans Brad Klipfel 1975-5-22 621 Humboldt Near the city of Eureka airport S of Samoa Comment
  SBBG62728  Senecio hydrophilus R. Hartwell 1938-8-6 113 Humboldt near Eureka Comment
  HSC81584  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-5-25 5262 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  CAS-BOT-BC364015  Senecio integerrimus var. major Duart V. Brown 1947-4-2 29 Humboldt Near Sweed [Sweet] Creek, Trinity River 457 Comment
  CDA7633  Senecio jacobaea F. Wetherbee 1959-8-27 2983 Humboldt Simpson property, Sweezey Dam, Mad River, south of Korbel. 0 Comment
  UC1199490  Senecio minimus Joseph P. Tracy 1920-9-19 5400 Humboldt along newly constructed road, North Fork of Mad River; Northern Coast Ranges 304 Comment
  RSA167390  Senecio sylvaticus Joseph P. Tracy 1949-8-11 18467 Humboldt East of headwaters of Redwood Creek, electric power-line southward. Kinsey Ridge south from Grouse Mt., 2 to 6 miles. 1280 Comment
  CAS-BOT-BC364331  Senecio triangularis Doris K. Kildale 1925-8-16 1172 Humboldt Trinity Summit - Elk Horn Prairie 1524 Comment
  UC249833  Senecio triangularis Joseph P. Tracy 1924-7-4 6702 Humboldt Snow Camp , Snow Camp (Northern Coast Ranges) 1371 Comment
  UC1070215  Senecio vulgaris H. L. Person 1932-8-20 18486 Humboldt Eureka Inn Eureka, Eureka Inn Comment
  HSC12956  Sequoia sempervirens M. Athey, D. La Conte 1970-11-28 12 Humboldt HSU campus Comment
  UC667965  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt near Korbel 304 Comment
  POM182755  Sequoia sempervirens A. L. Bolton 1904-11-12 s.n. Humboldt Willits Comment
  UC1197962  Sidalcea malachroides Joseph P. Tracy 1934-8-6 13563 Humboldt 1 mi w Lindsey Creek (n side of Mad River); n side Mad River, w of Lindsey Creek 30 Comment
  UC1197965  Sidalcea malachroides Joseph P. Tracy 1933-7-21 12819 Humboldt between Van Duzen Yager Creek (Redwood House); between Van Duzen and Yager Creek, Redwood House 762 Comment
  UC668137  Sidalcea malachroides Joseph P. Tracy 1938-6-15 15938 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  HSC100572  Sidalcea malviflora Carl C. Marshall Jun 1887 445 Humboldt East branch. Comment
  UC176964  Sidalcea malviflora subsp. patula Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3596 Humboldt near Hydesville; Northern Coast Region, near Hydesville 30 Comment
  HSC103762  Silene M. R. Mesler, Sydney Carothers 2013-6-3 1481 Humboldt Near Castle Rock on FS 5N40 about 3.2 miles from NF 60 1248 Comment
  CAS-BOT-BC384547  Silene bridgesii Henry M. Pollard 1948-7-17 s.n. Humboldt Woods near Orleans Comment
  CDA24095  Silene californica R. Spadoni 1992-6-15 Humboldt Along mad River east of Arcata, near Blue Lake, Redwood Valley. 0 Comment
  SD42480  Silene californica Carl B. Wolf 1937-6-18 8890 Humboldt Table Bluff, between Humboldt Bay and Eel River. 29 Comment
  HSC57065  Silene douglasii Overton, Butler 1979-7-24 9735 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CAS-BOT-BC387080  Silene gallica H. E. Parks; S. T. Parks 1936-6-1 5634 Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC181223  Silene hookeri subsp. bolanderi Volney Rattan 1883-1-1 s.n. Humboldt Mad River Comment
  BLMAR685  Silene laciniata subsp. californica Jennifer Wheeler 2013-6-25 685 Humboldt King range, Strawberry Rock 76 Comment
  CAS-BOT-BC389056  Silene laciniata subsp. californica Carl B. Wolf 1927-8-28 1175 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Road to Blue Lake Comment
  HSC24398  Silene laciniata subsp. californica J. O. Sawyer 1970-6-24 2228 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC4167  Silene laciniata subsp. californica J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  RSA21205  Silene scouleri var. scouleri C. B. Wolf 1937-8-10 9094 Humboldt Big Lagoon, so. side, w. side of Redwood Highway 6 Comment
  HSC13925  Sisyrinchium bellum D. E. Anderson 1962-3-31 1966 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  HSC59467  Sisyrinchium bellum M. A. Ericksen 1979-5-13 284 Humboldt Chezem Rd., 0.2 mi. W of Hwy. 299 Comment
  UC1409181  Sisyrinchium californicum Robert F. Thorne and P. Everett 35177 Humboldt at s end of Big Lagoon 1 Comment
  RSA377726  Smilacina stellata var. sessilifolia Thekla Mohr 1919-07 s.n. Humboldt Eel River. Comment
  JEPS12058  Solanum americanum W. L. Jepson 1936-8-12 17889 Humboldt South Fork Eel River; Philipsville, South Fork Eel River Comment
  SBBG54057  Solanum americanum R. S. Woglum 1938-8-29 2021 Humboldt Samoa Comment
  HSC73842  Solanum parishii Gail Newton 1980-6-7 137 Humboldt Near Brush Mtn. 1128 Comment
  POM247118  Solidago californica Joseph P. Tracy 1937-9-5 15682 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC385867  Solidago canadensis Mrytle Paulson 1918-4-1 s.n. Humboldt Eureka Comment
  RSA167400  Solidago canadensis subsp. elongata Joseph P. Tracy 1948-9-12 18210 Humboldt Trinity Summit, at head of meadow at Box Camp. 1463 Comment
  CHSC76025  Solidago spathulata Vernon H. Oswald 1999-8-19 9835 Humboldt Elk Head at the N end of Trinidad State Beach. At the headland overlooking the ocean. 30 Comment
  SD38301  Solidago spathulata Edith A. Purer 1932-7-30 4673 Humboldt South of Orick 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
  HSC39803  Sonchus asper Peter Sorensen 1976-7-11 Humboldt King Salmon Comment
  HSC56199  Sorbus scopulina Gilbert Muth 1979-8-1 12165 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC103560  Spartium junceum Spadoni 2002-6-26 70828 Humboldt Along roadside in the vicinity of Garberville. Comment
  HSC37941  Spergula arvensis Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near airport Comment
  HSC79186  Spergula arvensis L. P. Janeway 1984-1-10 706 Humboldt HSU campus, N side of upper playing field 46 Comment
  OBI36625  Spergularia macrotheca David J. Keil 1983-7-2 17302 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  CDA18204  Spergularia macrotheca var. macrotheca G. D. Barbe, T. C. Fuller 1974-6-17 1830 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  CAS-BOT-BC149622  Spiraea douglasii G. A. Coleman 1901-7-20 s.n. Humboldt Near Arcata Comment
  JEPS45015  Spiraea douglasii Milo S. Baker 1923-7-14 5 Humboldt highway between Scotia and Fortuna Comment
  RSA239688  Spiraea douglasii Larry E. DeBuhr 1973-4-23 996 Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  RSA472779  Spiraea douglasii Charlotte M. Hoak 1931-7-14 s.n. Humboldt Alton. Comment
  RSA85248  Spiraea douglasii F. W. Peirson 1923-7-11 3752 Humboldt 7 miles N of Arcata. Comment
  UC492192  Spiraea douglasii Joseph P. Tracy 1932-8-28 10760 Humboldt Bald Mountain Northern Coast Ranges (at Lake Prairie) 1066 Comment
  UC275578  Spiranthes romanzoffiana Joseph P. Tracy with H. E. Parks 1924-8-3 6767 Humboldt Big Lagoon Northern Coast Region 6 Comment
  SEINET5196066  Stachys ajugoides Unknown 2002-8-22 87 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  HSC99553  Stachys ajugoides var. rigida K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 218 Humboldt Near North Trinity Mtn, 11. 5 mi E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS63051  Stachys ajugoides var. rigida Joseph P. Tracy 1936-8-7 15091 Humboldt head Little Hors-Linto Creek; Trinity Summit 1371 Comment
  UC153992  Stachys ajugoides var. rigida J. P. Tracy 1906-5-20 2466 Humboldt immediate vicinity Eureka 0 Comment
  UCLA71395  Stachys ajugoides var. rigida M. S. Jussel 1931-5-2 Humboldt Sylvandale Comment
  JEPS63019  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  BLMAR186  Stachys bergii Donald Hazlett 1994-6-7 186 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  RSA447390  Stachys emersonii Bonnie C. Templeton 1964-6-13 10089 Humboldt Trinidad Head, near Lighthouse Point. Comment
  HSC57939  Stachys rigida var. rigida G. L. Clifton, Griswold 1979-7-31 11606 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  SD29272  Stachys rigida var. rigida Lincoln Constance 1934-5-26 663 Humboldt Sand and gravel bar of S. Fork of Eel River, S. end of Dyerville Bridge. 46 Comment
  HSC57674  Stellaria crispa G. L. Clifton, Griswold 1979-7-25 10867 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC40302  Stellaria media Linda M. Barker 1976-4-30 1396 Humboldt 3 mi. W of Arcata Comment
  UC162890  Stellaria media Harley P. Chandler May 1901 1266 Humboldt Redwood Belt; North Coast Ranges 152 Comment
  HSC4271  Stellaria media S. R. Johnson 1965-3-23 17 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC58220  Stenanthium occidentale Walter Overton 1979-8-1 12360 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC70500  Stenanthium occidentale Gail Newton 1980-7-20 1618 Humboldt Near Bell Swamps 1426 Comment
  SEINET10603857  Stipa lemmonii Henry N. Bolander Bolander 6469 Humboldt Moist Places. Red Mountain. Comment
  BLMAR677  Stipa lemmonii var. lemmonii Jennifer Wheeler 2013-7-10 677 Humboldt King range, HJ Ridge 609 Comment
  CAS-BOT-BC87607  Streptanthus tortuosus Doris K. Kildale 1928-5-27 5955 Humboldt Kneeland Prairie. 853 Comment
  CAS-BOT-BC87614  Streptanthus tortuosus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain. 1432 Comment
  HSC74305  Streptanthus tortuosus M. A. Baker 1980-7-24 3205 Humboldt Near Orleans Mtn. 1625 Comment
  CAS-BOT-BC87617  Streptanthus tortuosus Volney Rattan 1882-6-1 s.n. Humboldt South Humboldt County. Comment
  UC302043  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1926-5-15 7477 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC562688  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1935-7-24 14185 Humboldt near ranger station; Trinity Summit 1828 Comment
  HSC57200  Streptanthus tortuosus var. tortuosus Terry Griswold, Marvin Butler 1979-7-10 7106 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC58202  Streptanthus tortuosus var. tortuosus Walter Overton 1979-8-1 12306 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  CAS-BOT-BC519056  Streptopus amplexifolius Greg de Nevers 2001-4-19 12257 Humboldt Fern Canyon, Prairie Creek, Redwoods State Park 91 Comment
  HSC57900  Symphoricarpos mollis Gilbert Muth 1979-7-31 11487 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  UC1239540  Symphoricarpos mollis Joseph P. Tracy 1948-9-5 18188 Humboldt 3 mi s Grizzly Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC99170  Symphyotrichum chilense Volney Rattan 1877-3-2 s.n. Humboldt Unspecified Comment
  JEPS40830  Symphyotrichum subspicatum Milo S. Baker 1923-8-3 Humboldt roadside near Trinidad Comment
  UC153938  Symphyotrichum subspicatum Joseph P. Tracy 1910-10-8 3170 Humboldt Brainard's Point Northern Coast Ranges, Humboldt Bay 0 Comment
  UC1222192  Symphytum asperum Joseph P. Tracy 1949-6-28 18358 Humboldt Salmon Creek Valley s. end Humboldt Bay, Salmon Creek Valley Comment
  SEINET12275944  Symphytum asperum J. P. Tracy 1943-1 17448 Humboldt near Iverson dairy ranch, Arcata Comment
  HSC21152  Synthyris reniformis N. J. Cole, D. E. Anderson 1965-4-13 12 Humboldt 2.5 mi. SE of Maple Creek Rd. junction with Bald Mtn. Rd., SE of Korbel Comment
  POM126512  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt Brannan Mtn. Along road between Three Creeks and mouth of Willow Creek. 915 Comment
  CAS-BOT-BC376735  Tanacetum bipinnatum J. P. Tracy 1909-7-18 3020 Humboldt Hills of Ocean Beach at Samoa, opp. Eureka Comment
  CAS-BOT-BC376726  Tanacetum bipinnatum D. E. Boufford 1973-7-26 11050 Humboldt Along the Pacific Ocean at the town of Clam Beach, north of the city of Eureka. Growing near sea level Comment
  HSC6251  Tanacetum bipinnatum Jerry Parker 1968-9-24 72 Humboldt Clam Beach, 1/4 mi. S of Strawberry Creek Comment
  UC579388  Tanacetum camphoratum H. S. Yates 1936-6-16 5651 Humboldt 0.5 mi sw Samoa; Eureka Quad. 6 Comment
  SBBG53001  Tanacetum vulgare J. D. Hobson -Jun-1966 Humboldt Loleta Comment
  SEINET11798896  Taraxacum laevigatum J. P. Tracy 1948-1 17973 Humboldt Trinity River at Willow Creek Comment
  HSC6260  Taraxacum officinale J. L. Baker 1965-3-11 10 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC6264  Taraxacum officinale R. T. Forester 1963-3-21 30 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC38893  Tauschia kelloggii J. P. Smith, J. O. Sawyer 1973-5-12 6684 Humboldt 3.8 mi. from Redwood Creek on Hoopa road Comment
  HSC93510  Tellima grandiflora Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-6 745 Humboldt Hwy. 101 road cut overlooking Big Lagoon 40 Comment
  RSA728070  Thinopyrum intermedium Gary D. Wallace 1979-6-24 1866 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  LA31710  Thuja plicata H. E. Parks; 1932-7-25 1139 Humboldt Trinidad, Camp 21, Hammond Lumber Company 152 Comment
  NY17199  Thuja plicata A. Kellogg 1868-1 933 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
  UCR32079  Thuja plicata David J. Keil 1983-7-2 17308 Humboldt North Coast Range, c. 10.5 mi east of the junction with US Hwy 101 along SR 299 [2-3 mi. east of Blue Lake] 183 Comment
  HSC6991  Thysanocarpus curvipes D. E. Anderson 1962-5-1 2204 Humboldt 1 mi. W of Hoopa Comment
  HSC97624  Thysanocarpus curvipes Cara Witte 2007-6-4 194 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  SDSU9573  Tiarella Harvey 1938-8-13 2240 Humboldt Stephens Grove. Comment
  SBBG2855  Tiarella trifoliata var. unifoliata H. and M. Dearing 1939-5-15 3703 Humboldt E fork of Willow Crk 762 Comment
  UC154081  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC183590  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1912-7-25 3813 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC667101  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1936-8-7 15085 Humboldt head of Little Hors-Linto Creek; Trinity Summit, head of Little Hors-Linto Creek 1371 Comment
  BLMAR634  Tonella tenella Jennifer Wheeler 2011-6-15 634 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  UC906646  Torilis arvensis Joseph P. Tracy 1946-6-15 17557 Humboldt Berry's Mt on Trinity Highway east of Redwood Creek 609 Comment
  HSC93749  Torreyochloa pallida var. pauciflora Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-25 792 Humboldt Arcata, Alder Grove Pond 18 Comment
  JEPS63936  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2000 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  JEPS63941  Toxicodendron diversilobum Lincoln Constance 1934-5-24 644 Humboldt Bull Creek Region S. Fork Eel R., Bull Creek Region 121 Comment
  HSC63067  Tradescantia ohiensis David Wheeler 1979-5-17 115 Humboldt Stagecoach Rd., 1 mi. from the Trinidad Post Office Comment
  JEPS60737  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-2 15387 Humboldt ne of Hawkins Bar (in Trinity Summit Range, Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain Comment
  SEINET2157330  Trautvetteria caroliniensis var. occidentalis J. P. Tracy 1937-1 15387 Humboldt Happy Camp Mountain, Trinity Summit Range, NE of Hawkins Bar. 1280 Comment
  HSC74426  Triantha glutinosa Gail Newton 1980-8-10 2055 Humboldt Near Blake Mtn. 1707 Comment
  UC484155  Trichostema laxum E. R. Johnson Aug 1929 Humboldt along the Eel River Comment
  HSC53982  Trichostema oblongum Griswold, Butler 1979-7-11 7057 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  JEPS63170  Trichostema oblongum Joseph P. Tracy 1927-8-7 8327 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC70760  Trientalis latifolia R. York 1980-5-17 523 Humboldt Near Le Perron Peak 792 Comment
  HSC45274  Trientalis latifolia Brad Klipfel 1973-4-28 8 Humboldt Along Korbel to Maple Creek Rd., Canyon Creek Comment
  RSA318958  Trifolium Patricia Wilder 1968-8-21 4373 Humboldt Big Lagoon Park, just west of U.S. 101 15 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
  UC495671  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-6-5 8101 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  UC1103431  Trifolium barbigerum Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3636 Humboldt Eureka Northern Coast Ranges Comment
  UC1103434  Trifolium barbigerum Joseph P. Tracy 1912-5-12 3635 Humboldt Eureka Northern Coast Ranges Comment
  UC1197497  Trifolium barbigerum J. P. Tracy 1911-6-25 3260 Humboldt immediate vicinity Eureka (near Bucksport) 0 Comment
  UC1223511  Trifolium barbigerum J. P. Tracy 1942-5-16 17332 Humboldt vicinity Garberville 152 Comment
  UC1223514  Trifolium barbigerum Joseph P. Tracy 1942-6-15 17120 Humboldt Englewood Prairie Comment
  UC1197057  Trifolium bifidum var. decipiens J. P. Tracy 1900-6-5 846 Humboldt immediate vicinity Eureka 0 Comment
  UC1197185  Trifolium bifidum var. decipiens J. P. Tracy 1910-5-22 3140 Humboldt immediate vicinity Eureka 0 Comment
  POM214884  Trifolium dichotomum Joseph P. Tracy 1932-5-1 9894 Humboldt Vicinity of Garberville Comment
  UCD109725  Trifolium dichotomum R. Tofsrud 1948-1 s.n. Humboldt Humboldt County. Comment
  HSC104458  Trifolium dubium Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 11 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  UC1223469  Trifolium dubium Joseph P. Tracy 1948-6-10 180066 Humboldt w Trinidad (beach) 3 Comment
  UCD108818  Trifolium dubium Linda M. Barker 1976-5-13 1476 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA91498  Trifolium dubium F. W. Peirson 1923-7-11 3622 Humboldt 20 miles north of Eureka Comment
  UC594253  Trifolium eriocephalum var. eriocephalum S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3412 Humboldt Burr Valley Buck Mtn 1036 Comment
  UCD108946  Trifolium fragiferum P. B. Kennedy 1929-6-14 10326 Humboldt Eureka. Niles Ranch. Comment
  HSC15121  Trifolium fucatum Harvey Doerksen 1962-5-8 11 Humboldt 3 mi. W of Blue Lake, fork Mad River and Essex Creek Comment
  UC1152150  Trifolium hybridum Joseph P. Tracy 1938-6-15 15926 Humboldt 2 mi s town (Field's Landing, Salmon Creek Flats, s end of bay); Humboldt Bay 6 Comment
  HSC58641  Trifolium longipes G. L. Clifton, Griswold 1979-7-31 11637 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC302112  Trifolium longipes var. oreganum Joseph P. Tracy 1926-6-20 7608 Humboldt Horse Mtn North Coast Ranges Comment
  UC1212191  Trifolium macraei H. E. and S. T. Parks 1935-6-1 4994 Humboldt near coast (Egg Point); Trinidad Comment
  UC1541587  Trifolium microcephalum Harold E. Parks May 1935 5539 Humboldt Spruce Cove Trinidad Comment
  CHSC10113  Trifolium microdon J. W. Johnson 1962-5-13 1354 Humboldt Arcata. On stabilized sand of ridge 3, Christenson Farm, Samoa Peninsula. Comment
  POM214881  Trifolium microdon Joseph P. Tracy 1927-6-5 8102 Humboldt Valley of S Yager Creek Comment
  UC33307  Trifolium obtusiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5701 Humboldt Hoopa Valley Comment
  UC1197521  Trifolium obtusiflorum Joseph P. Tracy 1911-6-11 3241 Humboldt Trinidad Station Northern Coast Ranges 91 Comment
  UC1223324  Trifolium repens Joseph P. Tracy 1936-6-28 15021 Humboldt at Lake Prairie Bald Mtn 1066 Comment
  HSC89908  Trifolium repens Leonel Arguello 1989-7-7 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata, along the Saltmarsh trail by old cattle ramp. Comment
  SEINET12157365  Trifolium subterraneum J. P. Tracy 1951-1 19520 Humboldt Hydesville, ranch of Everett Beck Comment
  SEINET4206955  Trifolium variegatum Carol Gunn 1963-6-3 2701 Humboldt 1/2 mile south of Korbel on gravel road. In ditch along South Mad River.; 0 Comment
  UC1223528  Trifolium variegatum var. variegatum Joseph P. Tracy 1937-7-19 15460 Humboldt lower foothills nw slope; Buck Mtn 914 Comment
  UC175673  Trifolium variegatum var. variegatum Joseph P. Tracy 1913-6-20 4232 Humboldt n w slope Buck Mtn (lower foothills); Northern Coast Ranges 762 Comment
  JEPS4173  Trifolium willdenovii Joseph P. Tracy 1932-5-1 9866 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  HSC71470  Trifolium willdenovii J. P. Smith, J. O. Sawyer 1973-5-12 6674 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  JEPS66096  Trifolium wormskioldii Joseph P. Tracy 1923-6-17 6273 Humboldt Big Lagoon Northern Coast Ranges 6 Comment
  UC198572  Trifolium wormskioldii Joseph P. Tracy 1917-5-30 4801 Humboldt Little River Beach Northern Coast Ranges 6 Comment
  HSC90807  Triglochin maritima Gail Newton 1982-5-2 2510 Humboldt Elk River Wildlife Area, Eureka Comment
  UCD138179  Triglochin maritima Malcolm A. Nobs; S. Galen Smith 1949-8-3 1169 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  HSC103300  Trillium albidum Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3006 Humboldt Six Rivers National Forest; ~ 0.2 mi. south-southeast of Cold Spring Camp; ~ 3.3 aerial mi. south-southeast of Horse Mtn. Radio Tower. 1416 Comment
  SEINET12050371  Trillium albidum F. H. Utech 1988-1 88 -286 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, above Van Duzen River 800 Comment
  CAS-BOT-BC519077  Trillium angustipetalum Doris K. Kildale; L. B. Kildale 1930-5-11 9531 Humboldt Wiregrass Prairie, The Bald Hills 792 Comment
  JEPS86159  Trillium chloropetalum Wayne Roderick 1966-5-5 Humboldt n. of Bridgeville 609 Comment
  HSC101808  Trillium kurabayashii Kjirsten A. Wayman 2012-4-1 304 Humboldt Hoopa, 0.3 miles up Bair Road, near Supply Creek 168 Comment
  CSUSB389  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  CSUSB390  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  HSC15694  Trillium ovatum V. G. Vieira 1963-3-10 37 Humboldt Essex Pond Comment
  RSA168951  Trillium ovatum Joseph P. Tracy 1950-4-20 18613 Humboldt 1 mile west of Dinsmores on Van Duzen River. Comment
  UCD18653  Trillium ovatum Roman Gankin 1956-3-17 105 Humboldt off US Hwy 101. Comment
  CAS-BOT-BC521251  Trillium rivale J. H. Thomas 1949-6-12 897 Humboldt 2 miles west of Matins Ferry on road to Orick. Comment
  UC169338  Triodanis biflora Joseph P. Tracy 1905-6-25 2198 Humboldt Eureka; Northern Coast Region 0 Comment
  RSA135459  Triodanis biflora Volney Rattan 1883-6-30 s.n. Humboldt Redwood Creek. Comment
  UC416790  Triodanis biflora Harley P. Chandler 1901-6-16 1514 B Humboldt Somes Bar North Coast Ranges, Klamath River, Somes Bar (Camp 276) 426 Comment
  HSC20858  Triphysaria eriantha Elrid H. Spinas 1948-6-16 56 Humboldt Horse Mtn. Comment
  HSC72575  Triphysaria eriantha J. P. Smith, J. O. Sawyer 1976-5-2 8637 Humboldt Redwood Valley Comment
  UC951233  Triphysaria eriantha subsp. eriantha S. K. Harris 1942-6-10 1474 Humboldt Prairies Bear River Ridge Bear River Ridge; , Prairies 457 Comment
  HSC59238  Triphysaria eriantha subsp. eriantha Clark L. Miller 1979-5-9 5115 Humboldt Along Samoa Blvd., 200 yards N of airport Comment
  UC27181  Triphysaria eriantha subsp. eriantha C. C. Marshall 1888-1 Humboldt Comment
  JEPS10442  Triphysaria versicolor subsp. versicolor W. L. Jepson 1902-6 1919 Humboldt fields about Eureka (<Expedition from Ukiah to the Hupa Indian Reservation>); fields about Eureka Comment
  UC162562  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1911-6-11 3237 Humboldt near Trinidad; Northern Coast Ranges, near Trinidad 60 Comment
  CAS-BOT-BC199626  Trisetum canescens W. R. Dudley 1899-6-1 s.n. Humboldt Eel River near Dyerville Comment
  SEINET200925 Image available Trisetum canescens Joseph P. Tracy 1935-7-30 14359 Humboldt Salmon Summit. 1768 Comment
  SEINET201038 Image available Trisetum canescens Joseph P. Tracy 1901-6-23 1167 Humboldt Immediate vicinity of Eureka. 0 Comment
  UC180487  Trisetum canescens Joseph P. Tracy 1913-6-23 4283 Humboldt near summit of ridge between Van Duzen River and Mad River (on Dinsmore's Ranch); Northern Coast Ranges 1066 Comment
  HSC76431  Triteleia bridgesii Teresa Prendusi 1981-7-9 232 Humboldt Near Cedar Camp 1256 Comment
  UC15026  Triteleia bridgesii Harley P. Chandler June, 1901 1344 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UCSB13010  Triteleia laxa Muller, Katherine 1954-6-21 Humboldt Olson Creek, 2 mi. E. NE. of Mad River Comment
  HSC35821  Triteleia laxa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1918 Humboldt Above Goat Rock, 2 mi. W of Bridgeville Comment
  RSA183021  Triteleia laxa Lee W. Lenz 1966-5-24 24657 Humboldt W of Berry Summit, US 299. Comment
  RSA1916  Tsuga heterophylla C. B. Wolf 1930-10-25 1763 Humboldt 12 miles above Blue Lake along Blue Lake to Willow Creek Road (Lord Ellis Road). 305 Comment
  UC672889  Tsuga heterophylla Joseph P. Tracy 1940-8-25 16704 Humboldt Bald Mountain Bald Mountain (in forest mainly of Douglas Fir, in cold shaded gulches) 914 Comment
  HSC93497  Typha latifolia Gordon Leppig 1998-6-8 899 Humboldt Arcata Marsh and Wildlife Sanctuary, SW side of pond. 2 Comment
  HSC14485  Umbellularia californica W. R. Rogers 1965-5-6 293 Humboldt 3 mi. E of Arcata, Hwy. 299 Comment
  HSC14489  Umbellularia californica Francis Winter 1960-4-24 Humboldt 2 mi. NE of Redwood Creek Ranch 610 Comment
  HSC40296  Umbellularia californica Lloyd Simpson 1977-4-17 253 Humboldt Warren Creek Rd. 0.25 mi. from West End Rd. 30 Comment
  SEINET12104679  Umbellularia californica E. A. York 1990-1-10 2667 Humboldt USGS Redwood Field Station, Arcata Comment
  CAS-BOT-BC403928  Urtica dioica subsp. gracilis L. R. Abrams; R. Bacigalupi 1922-6-25 8278 Humboldt Big Lagoon south of Orick Comment
  POM87676  Urtica dioica subsp. gracilis L. R. Abrams, R. C. Bacigalupi 1922-6-25 8278 Humboldt Big Lagoon, south of Orick. Comment
  UC1198133  Urtica dioica subsp. gracilis Joseph P. Tracy 1927-4-24 7948 Humboldt near Alton 60 Comment
  UC1225911  Vaccinium membranaceum Joseph P. Tracy 1942-6-23 17243 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CHSC67763  Vaccinium ovatum Vernon H. Oswald 1997-2-12 8307 Humboldt North Coast of Calif. South end of Trinidad State Beach, town of Trinidad. 30 Comment
  OBI23023  Vaccinium ovatum Robert J. Rodin 1961-8-11 6807 a Humboldt Near Pepperwood Comment
  POM257944  Vaccinium ovatum H. E. Parks, S. T. Parks 1937-04 5638 Humboldt Spruce Cove, Trinidad. Comment
  RSA34285  Vaccinium parvifolium J. Wendell Howe 1930-9-15 s.n. Humboldt Arcata. Comment
  HSC44529  Valeriana sitchensis subsp. sitchensis Brad Klipfel 1973-7-1 137 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56072  Valeriana sitchensis subsp. sitchensis G. L. Clifton, Griswold 1979-7-31 11741 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC3380  Vancouveria hexandra J. F. Knezevich 1968-5-21 448 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  HSC69623  Vancouveria hexandra R. Kalal 1979-5-20 68 Humboldt Fickle Hill Rd., 1 mi. E of 11th St. 189 Comment
  SD58169  Vancouveria hexandra Milo S. Baker 1923-7-16 19 Humboldt 3 miles southeast of Eureka Comment
  HSC31136  Vancouveria planipetala J. O. Sawyer 1970-6-24 2267 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC3384  Vancouveria planipetala William J. Ferlatte, B. D. Rogers 1966-6-8 2089 Humboldt 2 mi. W of Forest Glen, Granite Canyon. Comment
  SBBG46472  Vancouveria planipetala K. K. Muller 1954-6-21 635 Humboldt Olson Crk, 2 mi ENE of Mad River Comment
  UC1222526  Veratrum californicum var. californicum Joseph P. Tracy 1950-9-2 19347 Humboldt 2 mi s Field's Landing town (at Still Ranch) 6 Comment
  JEPS86091  Veratrum californicum var. californicum Wayne Roderick 1966-6-28 Humboldt 9 mi e Bridgeville 609 Comment
  UC1198213  Veratrum californicum var. californicum Joseph P. Tracy 1933-7-25 12862 Humboldt in wet meadow Grouse Mountain 1524 Comment
  UC176191  Veratrum californicum var. californicum Joseph P. Tracy 1912-6-16 3695 Humboldt between Fields Landing and Salmon Creek (at the Still place); Humboldt Bay Region 0 Comment
  HSC40825  Verbena lasiostachys var. lasiostachys Thomas W. Nelson, James Nelson 1976-7-26 3044 Humboldt S of Mount Lassic (Signal Peak) 1707 Comment
  JEPS16826  Veronica americana Joseph P. Tracy 1937-7-2 15389 Humboldt ne of Hawkins Bar (Happy Camp Mountain in Trinity Summit Range); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC21201  Veronica peregrina P. Markle 1962-5-16 41 Humboldt Near City of Arcata Reservoir on road 61 Comment
  UC176114  Veronica persica Joseph P. Tracy 1912-7-3 3718 Humboldt Eel River Valley, at Metropolitan Eel River Valley; Northern Coast Ranges, Eel River Valley 30 Comment
  HSC11992  Veronica persica D. La Conte 1970-10-11 26 Humboldt Ploughed area Comment
  UC582548  Veronica scutellata Joseph P. Tracy 1927-7-17 8275 Humboldt on lower w foothills of Chaparral Mountain (Three Cabins); North Coast Ranges, , Three Cabins 457 Comment
  HSC31808  Vicia sativa subsp. sativa Donald Spalinger 1974-4-25 22 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  HSC3227  Vinca major Eugene Andreuccetti 1964-4-30 31 Humboldt 300 yards from Iverson Rd., along Mad River. Comment
  HSC12434  Vinca major Gary J. Stebbins 1970-2-18 8 Humboldt Growing in waste lot within city limits of Arcata. 61 Comment
  UC1761603  Viola adunca C. V. Piper 1921-5-22 Humboldt Eureka Comment
  UC66217  Viola bakeri Joseph Burtt Davy Jun 21 1899-Jun 23 1899 5805 Humboldt Trinity Summit Comment
  CHSC24743  Viola glabella G. Strang 1976-4-10 5 Humboldt Highway 36, 10.5 mi e of U.S. 101. 97 Comment
  HSC64215  Viola glabella J. O. Sawyer, M. A. Ericksen 1979-6-23 3386 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UCD164670  Viola glabella R. John Little; C. Little 1991-5-27 6484 Humboldt Kneeland Road ca. 3 mi E of Kneeland. (Exact location unknown. Coordinates estimated by label maker). 701 Comment
  CAS-BOT-BC536493  Viola glabella Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC21804  Viola hallii D. E. Anderson 1967-6-10 4367 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  UC1761724  Viola macloskeyi W. K. Parks Jul 1933 6239 Humboldt South Fork Mt. Comment
  HSC97518  Viola ocellata Frances Reuss Harmon 2001-3-31 14 Humboldt Six Rivers National Forest: Gray Falls Picnic Area, along dirt road heading due S ca. 150 ft past the picnic area loop Comment
  POM286592  Viola ocellata Lyman D. Benson 1929-7-16 1841 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  SEINET11993509  Viola ocellata F. H. Utech 1986-1 86 -388 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  HSC21876  Viola praemorsa subsp. praemorsa Elrid H. Spinas 1948-5-15 6 Humboldt Horse Mtn. Comment
  JEPS50373  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1930-6-8 8730 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CHSC24861  Viola sempervirens W. A. Vaccaro 1976-4-4 1 Humboldt Population ca. 300 yds ne of intersection of Cedat St. and W. St., Cutten. 45 Comment
  SBBG4837  Viola sempervirens H. and M. Dearing 1933-5-16 1066 Humboldt N of Weott Comment
  SEINET11994159  Viola sempervirens N. H. Russell 1967-1 67 -12 Humboldt James Irvine grove of redwoods, US 101, N of Orick Comment
  JEPS40256  Vitis californica W. L. Jepson 1924-9-20 10653 Humboldt Richardson Grove South Fork Eel River Comment
  UC668146  Vitis californica Joseph P. Tracy 1933-9-9 13077 Humboldt Garberville South Fork of Eel River 152 Comment
  CAS-BOT-BC199803  Vulpia L. R. Abrams 1926-7-11 6050 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  HSC40867  Vulpia bromoides Linda M. Barker 1976-4-30 1398 Humboldt 3 mi. W of Arcata Comment
  HSC9833  Vulpia bromoides E. W. Styskel 1964-5-7 81 Humboldt 2 miles S of Samoa near Samoa Rd. Comment
  UC1145201  Vulpia bromoides Joseph P. Tracy 1948-6-10 18065 Humboldt Trinidad 3 Comment
  UC1145198  Vulpia microstachys var. ciliata Joseph P. Tracy 1939-5-14 16295 Humboldt opposite Buck Mountain (Dinsmore's, flats along Van Duzen River); Van Duzen River 762 Comment
  HSC81925  Whipplea modesta Thomas W. Nelson, Jane P. Nelson 1979-7-3 4954 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS49626  Whipplea modesta W. L. Jepson 1932-7-26 16400 Humboldt Bull Creek Comment
  UC1541295  Whipplea modesta H. E. and S. T. Parks May, 1930 753 Humboldt along roads adjacent to Van Duzen River Comment
  UC161564  Whipplea modesta Joseph P. Tracy 1911-7-7 3429 Humboldt Brannan Mt Northern Coast Ranges (viz: ridge n of Willow Creek, between Willow and Campbell Creeks, near the summit) 1219 Comment
  HSC70753  Woodwardia fimbriata R. York 1980-5-17 530 Humboldt Near Le Perron Peak 1066 Comment
  HSC100395  Woodwardia radicans Carl C. Marshall Jun 1885 14 Humboldt Near Jarnigan's and on R. Wood. Comment
  CAS-BOT-BC382922  Wyethia angustifolia Volney Rattan 1879-1-1 s.n. Humboldt Unspecified Comment
  UC176305  Wyethia angustifolia Joseph P. Tracy 1913-6-20 4226 Humboldt lower foothills nw slope Buck Mountain; Northern Coast Ranges, nw slope lower foothills Buck Mt 762 Comment
  CAS-BOT-BC383636  Xanthium spinosum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC15735  Xerophyllum tenax D. E. Anderson 1965-4-29 3555 Humboldt Rd. from Fickle Hill to Maple Creek, Butler Valley Area Comment
  UC1225857  Xerophyllum tenax Joseph P. Tracy 1947-7-9 17862 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC527077  Xerophyllum tenax Joseph P. Tracy 1937-8-15 15665 Humboldt French Camp 1066 Comment
  HSC34981  Zeltnera muehlenbergii Thomas W. Nelson 1974-9-13 1711 Humboldt King Salmon area Comment
  HSC12015  Zeltnera muehlenbergii Wilbur Peterson 1970-10-31 102 Humboldt Scotia Bluffs, edge of Eel River Comment
  HSC35862  Zeltnera muehlenbergii Thomas W. Nelson, James Nelson 1975-8-5 2133 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment



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