Search Results — 2000 specimen records retrieved (1336 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

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

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM89804  Abies grandis Joseph P. Tracy 1919-4-6 5725 Humboldt Around Humboldt Bay, Humboldt Hill. 152 Comment
  UC667970  Abies grandis Joseph P. Tracy 1937-6-20 15354 Humboldt 10 mi up stream from the mouth Bear River 152 Comment
  JEPS47996  Abies magnifica var. magnifica W. L. Jepson 1902-7-16 2043 Humboldt Trinity Summit 2133 Comment
  HSC70562  Abies procera M. A. Baker 1980-7-19 3042 Humboldt Near Bret Hole. 1814 Comment
  HSC37569  Abronia latifolia J. D. Ackerman 1975-6-10 456 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC62997  Abronia latifolia David Wheeler 1979-5-10 103 Humboldt Mad River Beach County Park .25 mi. NW of parking lot Comment
  RSA0025087  Abronia latifolia Lyman Benson 1928-7-10 449 Humboldt Clam Beach, Trinidad. 9 Comment
  POM264508  Abronia umbellata subsp. breviflora H. E. Parks 1941-09 24212 Humboldt Mouth of Little River. Comment
  CAS-BOT-BC330541  Acer circinatum Doris K. Kildale 1927-5-13 3134 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC330544  Acer circinatum Joseph P. Tracy 1949-8-4 18424 Humboldt Near Mud Springs 1371 Comment
  JEPS42746  Acer circinatum W. L. Jepson 1902-6-22 1915 Humboldt near Rio Del; near Rio Del Comment
  POM89162  Acer circinatum Joseph P. Tracy 1920-8-1 5346 Humboldt Kneeland Prairie Lawrence Creek 457 Comment
  UC1199016  Acer glabrum Joseph P. Tracy 1935-7-31 14394 Humboldt w side Devil's Backbone (barren rocky ridge connecting Trinity Summit with Salmon Summit); w side Devil's Backbone 1524 Comment
  HSC100910  Acer macrophyllum Carl C. Marshall May 1886 208 Humboldt Banks of streams. Comment
  CAS-BOT-BC28581  Achillea millefolium David D. Keck 1949-7-12 6326 Humboldt 4 miles south of Scotia (halfway between Scotia and Pepperwood). Comment
  HSC59675  Achillea millefolium George Kirn 1977-10-12 Humboldt South shore Little River, 1/2 mile from mouth 8 Comment
  SEINET11854568  Achillea millefolium J. P. Tracy 1947-1 17764 Humboldt Mouth of Little River Comment
  SEINET8072990  Achlys triphylla W. Roderick 1967-7-22 s.n. Humboldt Ca 5 miles E of Carlotta. 46 Comment
  UC526748  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  UC526753  Achnatherum lemmonii Joseph P. Tracy 1930-7-10 8866 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1219 Comment
  CAS-BOT-BC30421  Achyrachaena mollis Doris K. Kildale 1928-5-19 5116 Humboldt Chalk Mountain Comment
  UC668212  Achyrachaena mollis Joseph P. Tracy 1938-6-9 15889 Humboldt 2 mi w on top of ridge Harris 914 Comment
  UCSB16556  Acmispon americanus Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC48684  Aconitum columbianum subsp. columbianum Brad Klipfel 1973-7-31 238 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC30347  Adiantum aleuticum Dale R. Gradek 1974-5-28 95 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  RSA687730  Adiantum aleuticum J. P. Smith 1970-6-7 3799 Humboldt .6 miles North of Luffenholtz Beach Comment
  HSC960  Adiantum jordanii D. E. Anderson 1965-5-15 3701 Humboldt About 2 mi. NW of Hoopa on Bald Hills Rd. Comment
  HSC74197  Agastache urticifolia M. A. Baker 1980-7-22 3126 Humboldt Near Grogan Hole. 1676 Comment
  UC1239671  Agastache urticifolia Joseph P. Tracy 1939-8-5 16387 Humboldt Dinsmore's 731 Comment
  RSA168824  Ageratina occidentalis Joseph P. Tracy 1950-7-31 19223 Humboldt In woods, Friday Ridge 1220 Comment
  RSA167313  Agoseris aurantiaca Joseph P. Tracy 1949-8-7 18441 Humboldt Trinity Summit, meadow at Box Camp 1463 Comment
  UC1222926  Agoseris aurantiaca var. aurantiaca Joseph P. Tracy 1949-8-7 18441 Humboldt Trinity Summit, meadow at Box Camp. 1463 Comment
  HSC39937  Agoseris grandiflora Linda M. Barker 1976-7-5 1643 Humboldt 3 mi. W of Arcata. Comment
  UC1239510  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1932-6-14 10159 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1222763  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1942-6-15 17151 Humboldt .5 mi ne, on rd to Harris Garberville 304 Comment
  UC1239509  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 1/2 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  RSA10025  Agrostis densiflora Joseph P. Tracy 1927-7-17 8271 Humboldt Three Cabins; Chaparral Mountain Comment
  CAS-BOT-BC127282  Agrostis exarata William Arents Silveus 1938-7-9 2983 Humboldt Dyerville. Comment
  CAS-BOT-BC127324  Agrostis exarata Joseph P. Tracy 1904-7-10 2119 Humboldt Northern Coast Region. Eureka. 60 Comment
  HSC76568  Agrostis exarata Teresa Prendusi 1981-7-24 495 Humboldt Near Whiteys Peak 1585 Comment
  HSC8788  Agrostis exarata D. E. Anderson 1963-10-6 2882 Humboldt Mad River bars, across from Essex Junction. Comment
  RSA12429  Agrostis exarata C. B. Wolf 1994-7-2 5865 Humboldt edge of small lake at Snow Camp. Mts. east of Korbel Comment
  UC186904  Agrostis exarata Joseph P. Tracy 1911-7-7 3386 Humboldt 3 mi nw Junction of Willow Creek with Trinity River; Northern Coast Ranges 914 Comment
  UC249865  Agrostis exarata Joseph P. Tracy 1924-7-13 6729 Humboldt in bog Northern Coast Region, Big Lagoon 6 Comment
  UCD52425  Agrostis exarata J. E. Street 1950-6-24 s.n. Humboldt Bryalands. Comment
  SEINET10789958  Agrostis exarata Joseph P. Tracy 1900-9-2 Tracy 933 Humboldt Immediate vicinity of Eureka. Bed of frog pond. 0 Comment
  CAS-BOT-BC139501  Agrostis hallii A. G. Vestal 1937-6-23 s.n. Humboldt Orick. Comment
  CAS-BOT-BC139504  Agrostis hallii Joseph P. Tracy 1929-7-4 8610 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  JEPS121641  Agrostis idahoensis Jennifer Buck, Danielle Roach 2009-9-30 Humboldt Blake Fen, South Fork Mountain. Sloping fen on schist, NE aspect. Blake Mountain quadrangle. SFM02B Comment
  UC1151676  Agrostis idahoensis A. H. Murphy 1951-8-17 89 Humboldt ca 15 mi ne Bridgeville (Racetrack Springs, South Fork Mtn., Humboldt Co.--Trinity Co. line); South Fork Mountain, Racetrack Springs 1219 Comment
  CAS-BOT-BC139127  Agrostis oregonensis Joseph P. Tracy 1927-8-22 8344 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  HSC98859  Agrostis oregonensis Cara Witte 2008-8-5 990 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1589 Comment
  UC526875  Agrostis oregonensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8995 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (wet meadow) 1676 Comment
  HSC98624  Agrostis pallens Cara Witte 2007-7-11 500 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  RSA54134  Agrostis stolonifera Henry M. Pollard 1986-8-22 s.n. Humboldt Roadside near Orleans Comment
  UC1145071  Agrostis thurberiana Joseph P. Tracy 1939-7-9 16344 Humboldt Snow Camp 1432 Comment
  UC1103371  Agrostis viridis Joseph P. Tracy 1911-7-9 3460 Humboldt wet places along Willow Creek (creek is tributary of Trinity River); Northern Coast Ranges 243 Comment
  HSC8858  Aira caryophyllea E. W. Styskel 1964-5-10 88 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  SACT000239  Aira caryophyllea Lyle Bibb 1963-5-11 Humboldt Coastal salt marsh near Arcata Comment
  SBBG53062  Aira caryophyllea R. N. Philbrick, J. R. Haller 1976-6-25 2 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  SEINET14062595  Aira caryophyllea M. A. Baker 1980-5-17 1280 Humboldt Black Mtn. Comment
  HSC8870  Aira praecox H. E. Parks 1938-6-20 24111 Humboldt Spruce Cove, Trinidad Comment
  SEINET3917484  Aira praecox Joseph P. Tracy 1941-6-15 16906 Humboldt Wilder Ridge, east of Kings Peak.; 0 Comment
  UC526679  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC1198269  Alisma plantago-aquatica Joseph P. Tracy 1930-10-12 9214 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  HSC60371  Alisma triviale Terry Roth 1979-5-29 101 Humboldt Arcata, at the end of H St. 0 Comment
  HSC12537  Allium acuminatum J. Allen DeCOU 1899-6-21 258 Humboldt Supply Creek Comment
  CAS-BOT-BC462972  Allium bolanderi Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC99113  Allium bolanderi var. bolanderi Cara Witte 2007-6-7 232 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  UC1198193  Allium bolanderi var. mirabile Joseph P. Tracy 1913-6-23 4278 Humboldt near summit on ridge between Van Duzen River and Mad River; Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  HSC100546  Allium campanulatum Carl C. Marshall Jun 1886 304 Humboldt Trail E of Hoopa. Comment
  SEINET199678  Allium campanulatum J. P. Tracy 1933-7-25 12863 Humboldt Grouse Mtn 1524 Comment
  HSC39431  Allium campanulatum Thomas W. Nelson, Jane P. Nelson 1976-6-22 2875 Humboldt E of Goat Hill lookout 1666 Comment
  RSA183583  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mountain. 1433 Comment
  UC198889  Allium falcifolium Volney Rattan June 1883 Humboldt bet. Mad R. and Pilot Cr. Comment
  HSC67187  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-6-10 5423 Humboldt Along NE side of Red Mtn. 1433 Comment
  HSC12536  Allium membranaceum J. Allen DeCou 1899-6-22 263 Humboldt Trail to Trinity Summit Comment
  SEINET8191725  Allium triquetrum R. R. Halse 2013-3-28 8768 Humboldt Along US Hwy 101, ca 1.0 mile W of Orick. 4 Comment
  UC1196540  Allium triquetrum H. E. Peacock 1942-4-6 Humboldt Ferndale 15 Comment
  UC1222697  Allium unifolium Joseph P. Tracy 1950-6-25 18890 Humboldt Burr Valley Comment
  CAS-BOT-BC476629  Allium unifolium M. S. Jessel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  UC666923  Allium unifolium Joseph P. Tracy 1927-6-8 8119 Humboldt on coast bluffs s Luffenholz Creek; Trinidad 30 Comment
  HSC97998  Allium validum Cara Witte 2007-7-11 500 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  UC275561  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6575 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC1197956  Alnus rhombifolia Joseph P. Tracy 1926-1-10 7347 Humboldt Along Yager Creek, Carlotta 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
  HSC69582  Alnus rubra R. Kalal 1979-5-18 66 Humboldt Union St. between 11th and 12th St. 34 Comment
  RSA86980  Alnus rubra F. W. Peirson 1926-7-13 7045 Humboldt South of Orick. Comment
  UCR27989  Alnus rubra A. C. Sanders 1981-8-6 2299 Humboldt Near Orick, 1.6 mi west of Hwy 101 on Davison Road toward Gold Bluffs Beach Comment
  UC1145046  Alopecurus aequalis Joseph P. Tracy 1950-7-6 19019 Humboldt 3 mi. s. Burr Valley (Buck Mt., high meadow w. side,); Buck Mt. 1158 Comment
  UCD55896  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt in Salmon Creek Valley, at south end of Humboldt Bay. 15 Comment
  SEINET10473459  Ambrosia Mary Susan Taylor 1990-8-22 Taylor 6076 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  CAS-BOT-BC13671  Ambrosia artemisiifolia H. M. Pollard 1947-8-27 s.n. Humboldt Near Orleans Comment
  UC1199258  Ambrosia artemisiifolia Joseph P. Tracy 1936-9-18 15187 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  UC1222884  Ambrosia artemisiifolia Joseph P. Tracy 1950-9-22 19379 Humboldt 3 mi sw Orleans Comment
  OBI35979  Ambrosia chamissonis David J. Keil 1983-7-1 17288 Humboldt Ca 5 mi NW of Petrolia along Mattole Rd Comment
  HSC93517  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. 2 Comment
  RSA264507  Ambrosia chamissonis var. chamissonis H. E. Parks 1941-09 24214 Humboldt Mouth of Little River Comment
  CAS-BOT-BC142893  Amelanchier alnifolia var. semiintegrifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC96268  Amelanchier alnifolia var. semiintegrifolia J. Breton, A. Livingston 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1357 Comment
  HSC55599  Amelanchier pallida Overton, Butler 1979-7-23 9413 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC1198749  Amelanchier utahensis Joseph P. Tracy 1921-4-30 6022 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC183554  Amelanchier utahensis Joseph P. Tracy 1913-6-17 4188 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  HSC26473  Amsinckia spectabilis T. O. Osborne 1970-4-8 15 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  UC175680 Image available Amsinckia spectabilis Joseph P. Tracy 1910-6-5 3152 Humboldt sand dunes of ocean beach at Humboldt Bay; Northern Coast Region; Ocean Beach at Humboldt Bay Comment
  HSC17824  Anagallis arvensis D. E. Anderson 1961-8-25 1745 Humboldt 1.5 mi. S of Trinidad Comment
  HSC49064  Anaphalis margaritacea Patricia Shesgreen 1978-8-2 125 Humboldt Arcata Community Forest, Arcata; 200 yds. N of field house on top of hill overlooking baseball field Comment
  HSC98655  Anaphalis margaritacea Cara Witte 2007-7-26 596 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1438 Comment
  JEPS20438  Anaphalis margaritacea W. L. Jepson 1932-8-9 16537 Humboldt Bull Creek 106 Comment
  UC1125515  Anaphalis margaritacea H. L. Person 1931-7-30 Humboldt Fieldbrook; Eureka Quad. Comment
  CAS-BOT-BC45139  Anaphalis margaritacea Mrs. H. C. Cantelow 1936-8-29 s.n. Humboldt 17 mi N of Garberville, S Fork Eel River, 1 mi off Rw. Highway 198 [Redwood Highway?] Comment
  SD42332  Anaphalis margaritacea Carl B. Wolf 1937-8-13 2910 Humboldt North Coast Range, 9 miles northeast of Blue Lake on Lord Ellis Road. 245 Comment
  UC535706  Anemone deltoidea Eleanor Armstrong 1934-5-17 Humboldt Garden Club Grove Comment
  HSC100609  Anemone grayi Carl C. Marshall Apr 1887 352 Humboldt Humboldt Hill. Comment
  UC503044  Anemone oregana Joseph P. Tracy 1927-6-12 8130 Humboldt Horse Mtn North Coast Ranges (in serpentine belt) 1524 Comment
  HSC55623  Angelica arguta Overton, Butler 1979-7-24 9570 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  UC586000  Angelica genuflexa Joseph P. Tracy 1927-9-25 8380 Humboldt 2 mi s of Fields Landing (around Humboldt Bay, at Still Ranch); Northern Coast Region, Still Ranch 6 Comment
  UC314600  Angelica hendersonii Joseph P. Tracy 1923-9-23 6560 Humboldt Northern Coast Region, Alton Alton Alton Alton; Northern Coast Region, Alton 30 Comment
  UC183771  Angelica tomentosa Joseph P. Tracy 1913-9-9 4391 Humboldt Northern Coast Ranges, at s end of Big Lagoon Big Lagoon Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 30 Comment
  HSC22864  Anisocarpus madioides D. E. Anderson 1965-5-8 3640 Humboldt About 2 mi. N of Willow Creek on road running along E side of Trinity River Comment
  HSC67890  Anisocarpus madioides J. P. Smith 1973-5-26 6853 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC81929  Anisocarpus madioides Thomas W. Nelson, Jane P. Nelson 1979-7-3 4950 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC34553  Anisocarpus madioides Chesnut and Drew 1888-7-10 Humboldt Jarnigans Comment
  UC89528  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC32244  Anthemis cotula J. O. Sawyer 1970-6-24 2239 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC38077  Anthoxanthum occidentale Thomas Nelson, James Nelson 1976-5-30 2630 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC922012  Anthoxanthum odoratum Joseph P. Tracy 1948-6-13 18046 Humboldt Dobbyn Creek 152 Comment
  UC1173653  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1939-8-5 16384 Humboldt Dinsmore's 731 Comment
  UC162567  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1911-7-10 3482 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 243 Comment
  SEINET14183378  Aphanes occidentalis Unknown 1918-5-1 4903 Humboldt Plants of Northern Coast Ranges of Califonia warm place by roadside towards McBrides KNEELAND PRAIRIE, HUMBOLDT COUNTY Altitude 2500 ft. Comment
  HSC70343  Apocynum androsaemifolium M. A. Baker 1980-6-7 1850 Humboldt Near Ammon Creek 732 Comment
  HSC97622  Apocynum androsaemifolium Cara Witte 2007-6-19 301 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  SDSU2585  Apocynum androsaemifolium D. F. Howe 1961-8-2 3117 Humboldt 23.5 miles east of Orick on Bald Mt. Road. 914 Comment
  UC154173  Apocynum cannabinum Harley P. Chandler June, 1901 1426 Humboldt Klamath R. North Coast Ranges, Klamath R. 304 Comment
  HSC31555  Aquilegia formosa Glenn McGourty 1974-5-11 45 Humboldt Along Maple Creek Rd. Comment
  HSC48762  Aquilegia formosa Brad Klipfel 1973-6-10 98 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET12104678  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC18040  Aquilegia formosa var. formosa Greg Bos 1965-5-2 235 Humboldt 5 mi. E of Korbel on Bald Mtn. Rd. 732 Comment
  HSC57019  Aquilegia formosa var. truncata Overton, Butler 1979-7-24 9631 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS53031  Arabis glabra Lincoln Constance 1934-6-22 920 Humboldt s of Dyerville (down Canoe Creek road to Redwood Highway); South Fork Eel River, Bull Creek Region, Grasshopper Peak Su Comment
  RSA1432  Aralia californica E. R. Johnson 1929-08 616 Humboldt 5 miles S of Weott Comment
  UCD128219  Aralia californica B. L. Kay 1954-8-26 s.n. Humboldt 5 miles west of Gaberville. Comment
  HSC74336  Arbutus menziesii M. A. Baker 1980-5-18 1310 Humboldt Near Black Mtn. 1006 Comment
  CAS-BOT-BC102206  Arctium minus L. R. Abrams 1927-8-30 12050 Humboldt Scotia Comment
  UC180189  Arctium minus Joseph P. Tracy 1914-10-4 4631 Humboldt Table Bluff Northern Coast, Humboldt Bay 0 Comment
  UC1121508  Arctostaphylos A. E. Wieslander 1931-5-17 192 Humboldt Orick-Orleans Rd Hoopa Quadrangle, Bald Hills Comment
  UC1198673  Arctostaphylos Joseph P. Tracy 1937-4-3 15248 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA47097  Arctostaphylos cinerea Doris K. Kildale 1926-4-4 1721 Humboldt Hulbdt County: Northern end of county at Del Norte line, Bluff between Redwood high & ocean Comment
  CAS-BOT-BC23766  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6142 Humboldt Patrick's Point 30 Comment
  CAS-BOT-BC23816  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt Fickle Hill, 6 mi. SE of Arcata 609 Comment
  HSC7623  Arctostaphylos columbiana R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-28 1381 Humboldt Lord Ellis Summit on Hwy. 299, about 7 mi. W of Redwood Creek Comment
  JEPS19869  Arctostaphylos columbiana Joseph P. Tracy 1923-3-31 6168 Humboldt around Humboldt Bay; Northern Coast Region, Table Bluff 60 Comment
  RSA622698  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27681 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  SBBG58415  Arctostaphylos columbiana H. E. Parks 1931-3-25 917 Humboldt near Patrick's Pt Comment
  UC585924  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 Comment
  SEINET11977760  Arctostaphylos columbiana J. P. Tracy 1950-1 19252 Humboldt Grasshopper Peak, Bull Creek State Park Comment
  RSA12534  Arctostaphylos columbiana var. columbiana C. B. Wolf 1934-7-2 5904 Humboldt 4 mi. from Snow Camp on rd. to Bald Mt. (Mts. east of Korbel). 1159 Comment
  RSA13425  Arctostaphylos columbiana var. tracyi H. E. Parks 1931-12 4950 Humboldt Hobson's Trinidad. 61 Comment
  UCSB11336  Arctostaphylos glandulosa Zinke, P. 1950-10-9 Humboldt King Peak 1219 Comment
  UC1052839  Arctostaphylos glandulosa subsp. glandulosa W. L. Colwell 1955-6-7 26 Humboldt one half mi n Grasshopper Mountain lookout (three mi w of Weott); Quad. 29-B-3 914 Comment
  CAS-BOT-BC39163  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
  UCD51746  Arctostaphylos hookeri subsp. montana Joseph P. Tracy 1947-7-5 17787 Humboldt Trinity Summit; ridge top one mile west of Mud Springs. 1158 Comment
  RSA633022  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27802 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  UCSB11765  Arctostaphylos manzanita Nelson, R. 1950-7-26 Humboldt 0.5 mile northwest of Neafus Peak 762 Comment
  CAS-BOT-BC38831  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1926-6-27 2198 Humboldt Sweasey Lake - McClellan Mountain 792 Comment
  HSC31439  Arctostaphylos nevadensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5557 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  JEPS38953  Arctostaphylos nevadensis Joseph P. Tracy 1927-5-15 8059 Humboldt on road w from Hoopa Valley Hoopa Mt. 914 Comment
  OBI35863  Arctostaphylos nevadensis David J. Keil 1983-7-2 17331 Humboldt Horse Mtn summit SW of Willow Crk. Comment
  CAS-BOT-BC40062  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1935-6-23 13991 Humboldt French Camp Ridge 1066 Comment
  HSC74562  Arctostaphylos patula M. A. Baker 1980-5-17 1270 Humboldt Near Le Perron Peak 1066 Comment
  HSC7704  Arctostaphylos patula J. Pursell 1964-10-17 10171 Humboldt Hoopa in Hoopa Valley Comment
  CAS-BOT-BC43981  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17502 Humboldt Eureka 45 Comment
  CAS-BOT-BC47209  Arctostaphylos uva-ursi Doris K. Kildale 1926-6-18 2395 Humboldt Gold Bluffs. Comment
  CAS-BOT-BC47211  Arctostaphylos uva-ursi Josh Suchocki; Charlene Vullo; Kyle Wear 1995-4-15 101 Humboldt Manila. Comment
  UC1196878  Arctostaphylos uva-ursi J. P. Tracy 1909-10-7 3111 Humboldt Gans Prairie 457 Comment
  RSA183565  Arctostaphylos uva-ursi var. coactilis R. I. Bonn 1965-4-3 13 Humboldt Four miles west of Arcata on Lanphere Rd. Comment
  SEINET11987223  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 3934 Humboldt Tilden Botanic Garden, Berkeley, orig. from S end of sand spit at Samoa Comment
  UC1795607  Arctotheca calendula G. D. Barbe, T. C. Fuller 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale Comment
  UCD129122  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  JEPS79810  Arenaria congesta var. suffrutescens Joseph P. Tracy 1932-7-12 10478 b Humboldt Brett Hole Trinity summit, Brett Hole (Head of) 1828 Comment
  CAS-BOT-BC384746  Arenaria serpyllifolia var. serpyllifolia Joseph P. Tracy 1933-5-18 12192 Humboldt Along Mad River, near Blue Lake 15 Comment
  CAS-BOT-BC64580  Armeria maritima subsp. californica Joseph P. Tracy 1927-6-8 8115 Humboldt Trinidad. 60 Comment
  RSA256573  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  HSC47778  Arrhenatherum elatius Michael A. Watkins 1978-6-10 6 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  RSA129573  Arrhenatherum elatius H. S. Yates 1936-6-23 5851 Humboldt 2 miles E of mouth of Mad River. 30 Comment
  UC1057744  Arrhenatherum elatius W. L. Colwell 1957-7-6 42 Humboldt 6 mi nw of Bridgeville (Redwood House Ranch, Quadrangle 26C3); Redwood House Ranch 685 Comment
  CAS-BOT-BC146269  Arrhenatherum elatius var. elatius Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC4719  Artemisia douglasiana Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  HSC58342  Artemisia douglasiana Overton, Butler 1979-8-2 12667 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1222997  Artemisia douglasiana Joseph P. Tracy 1948-9-6 18158 Humboldt at Willow Creek (Tracy's place); Trinity River Valley 152 Comment
  UC249809  Artemisia dracunculus Joseph P. Tracy 1923-2-25 6148 Humboldt river bar at Carlotta; Van Duzen River 30 Comment
  CAS-BOT-BC90872  Artemisia pycnocephala Tom Craig 1941-6-29 s.n. Humboldt Samoa Comment
  CAS-BOT-BC97242  Artemisia suksdorfii Carl B. Wolf 1937-9-9 9303 Humboldt Coast, 4 1/2 mi. So. of Cape Mendocino 6 Comment
  UC205568  Artemisia suksdorfii Joseph P. Tracy 1918-7-1 4973 Humboldt 3 mi s point of cape; Northern Coast Ranges, Cape Mendecino 3 Comment
  CAS-BOT-BC453343  Aruncus dioicus var. vulgaris Volney Rattan 1878-6-16 s.n. Humboldt Mad River Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  HSC57145  Asarum caudatum Overton, Butler 1979-7-26 9936 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1198117  Asarum caudatum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3618 Humboldt near Hydesville 60 Comment
  HSC59473  Asarum caudatum M. A. Ericksen 1979-5-9 260 Humboldt Along Jolly Giant Creek, HSU campus Comment
  HSC62996  Asarum caudatum David Wheeler 1979-5-9 100 Humboldt Humboldt State University campus, 1/4 mi. E of the dorms along Jolly Giant Creek Comment
  HSC98661  Asarum caudatum Cara Witte 2008-8-5 982 Humboldt Clear Lake. At end of Forest Service Road 6N01B. 1533 Comment
  UCSB26616  Asarum caudatum Havlik, Neil 1968-8-20 Humboldt On the Ferndale-Capetown Road, about 5 miles from Ferndale 457 Comment
  HSC3274  Asarum hartwegii D. E. Anderson 1965-5-8 3647 Humboldt About 3 mi. N of Willow Creek along rd. on E side of Trinity River. Comment
  UCR111208  Asarum hartwegii D. E. Anderson 1965-5-1 3566 Humboldt Along Hwy 96, 1.9 mi. north of Willow Creek. 162 Comment
  HSC63850  Asarum hartwegii M. A. Baker 1979-6-27 915 Humboldt Comment
  UC154170  Asclepias cordifolia Harley P. Chandler June, 1901 1347 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC1173688  Asclepias cordifolia Joseph P. Tracy 1939-5-6 16277 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC249520  Asclepias speciosa Joseph P. Tracy 1922-9-3 6114 Humboldt Klamath River at Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  HSC102613  Aspidotis densa M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1600 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC99110  Aspidotis densa Cara Witte 2008-6-13 715 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1382 Comment
  HSC44046  Aspidotis densa Thomas W. Nelson, Jane Nelson 1977-7-1 3547 Humboldt On Ridge N of Bear Cr. 100 m W of Rd. 1S07 1555 Comment
  SEINET11852839  Aster chilensis J. P. Tracy 1950-1 19362 Humboldt Cape Ridge, 0.5 mi S of Capetown, along coast road, 1 i inland from Cape Mendocino 200 Comment
  SEINET196546  Aster chilensis Ynez Whilton Winblad 1941-6-24 Humboldt Between Garberville and Pepperwood. Comment
  CAS-BOT-BC193088  Astragalus pycnostachyus var. pycnostachyus W. S. Cooper 1925-7-29 s.n. Humboldt Samoa Comment
  UC495726  Astragalus rattanii var. rattanii Joseph P. Tracy 1932-6-19 10245 Humboldt nw slope of Buck Mountain Buck Mountain (lower foothills); Northern Coast Ranges, Buck Mountain 762 Comment
  CAS-BOT-BC193140  Astragalus rattanii var. rattanii Volney Rattan 1884-1-1 s.n. Humboldt Eel River Comment
  HSC64136  Astragalus umbraticus J. P. Smith, J. O. Sawyer, R. J. Cole 1977-7-2 3054 Humboldt Rd. 11N17 between Dagsaw Springs and Divide Lake 793 Comment
  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
  SEINET12160220  Astragalus umbraticus J. P. Tracy 1940-1 16706 Humboldt Bald Mt at 'Lake Prairie 1067 Comment
  HSC43206  Asyneuma prenanthoides R. Sutherland 1976-8-13 27 .13876 Humboldt Mouth of Redwood Creek at S Fork of Eel River 87 Comment
  UCD66901  Asyneuma prenanthoides John M. Tucker 1948-9-3 1859 Humboldt Friday Ridge Road, just below Black Rock (junction of Friday Ridge Road and the Horse Mountain - Grouse Mountain Road). Comment
  CAS-BOT-BC69523  Athyrium filix-femina subsp. cyclosorum Doris K Niles 1948-4-17 3 Humboldt Peugh Road Creek, 1 mi. e. of Loleta. Comment
  CAS-BOT-BC69525  Athyrium filix-femina subsp. cyclosorum Ira L. Wiggins 1957-6-19 14127 Humboldt 2.5 mi. w. of Pepperwood. Comment
  RSA44514  Athyrium filix-femina subsp. cyclosorum Henry M. Pollard 1947-8-28 s.n. Humboldt Perch Creek Canyon, Mount Orleans Comment
  HSC4343  Atriplex leucophylla D. E. Anderson 1961-9-13 1809 Humboldt Big Lagoon County Park Comment
  HSC102945  Avena barbata J. P. Smith 2009-5-30 12598 Humboldt Arcata. Near intersection of Valley West and Giuntoli Road Comment
  RSA10054  Avena barbata Joseph P. Tracy 1933-5-20 12228 Humboldt 3 mi south of point of Cape Mendocino 3 Comment
  UC1056069  Avena barbata J. I. Mallory 1955-1-16 111 Humboldt 2 mi e junction of Eel River and South Fork of Eel River 243 Comment
  HSC9032  Avena sativa E. W. Styskel 1964-4-28 76 Humboldt End of Davis St. at the edge of Eel River in Rio Dell Comment
  JEPS21274  Baccharis glutinosa Joseph P. Tracy 1938-8-21 16128 Humboldt Little River 9 Comment
  UC1004331  Baccharis pilularis W. L. Colwell 1954-11-20 20 Humboldt 3 mi e of, along Eel River South Fork Quadrangle 29B4; Eel River 91 Comment
  HSC12350  Baccharis pilularis subsp. consanguinea Steve Dorei 1970-10-31 139 Humboldt Scotia Bluff area Comment
  HSC5118  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-9-4 1102 Humboldt Arcata; in the Hollow N of Dune 3 N Christenson Farm, Samoa Peninsula Comment
  CAS-BOT-BC106353  Bellis perennis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  JEPS25618  Bellis perennis Rimo Bacigalupi 1959-7-7 7251 Humboldt immediately behind bluff headland of Cape Mendocino Cape Mendocino 30 Comment
  HSC41337  Berberis nervosa Brad Klipfel 1974-9-7 563 Humboldt Horse Mtn., above E fork of Willow Creek Comment
  HSC42786  Berberis nervosa Rick Cooper 1977-4-23 13 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC1198382  Berberis nervosa Joseph P. Tracy 1924-4-27 6642 Humboldt along hwy near Ruby Creek (Willow Creek) 609 Comment
  UC146103  Berberis nervosa J. P. Tracy 1904-4-17 2016 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC412990  Bistorta bistortoides L. B. Kildale 1930-8-10 10531 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC15788  Boechera acutina Joseph Prince Tracy 1932-7-11 10396 Humboldt Klamath Mountains. At Corral Prairie. 1524 Comment
  CAS-BOT-BC15801  Boechera acutina Joseph Prince Tracy 1932-7-11 10396 Humboldt Klamath Mountains. Trinity Summit. At Corral Prairie. 1524 Comment
  HSC7509  Bolboschoenus maritimus subsp. paludosus Paul Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  UC585961  Boschniakia strobilacea Joseph P. Tracy 1925-6-7 7059 Humboldt Northern Coast Ranges, Willow Creek Canyon. 609 Comment
  UC955469  Botrychium multifidum Milo S. Baker 1923-7-15 13 Humboldt Eureka Comment
  HSC56263  Boykinia major G. L. Clifton, Griswold 1979-8-2 12420 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99464  Boykinia major K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 118 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-BC420271  Boykinia occidentalis Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  BLMAR241  Boykinia occidentalis Jennifer Anthony-Wheeler 1997-6-13 241 Humboldt King range, growing at base of N bank of S fork bear creekbed 463 Comment
  CAS-BOT-BC420255  Boykinia occidentalis John Thomas Howell 1931-6-17 6722 Humboldt 18 miles n. of Arcata on Redwood Highway Comment
  UCSB23762  Boykinia occidentalis Breedlove, Dennis 1962-6-8 Humboldt Along U.S. Highway 101; 8 miles north of Orick; 60 Comment
  HSC32555  Brickellia californica Thomas W. Nelson 1973-9-3 1124 Humboldt McKeown Ranch N of Dinsmore Comment
  SEINET5781061 Image available Brickellia californica S. K. Harris, C. M. Wilder 1938-9-8 Humboldt Van Duzen River, below Blue Slide Comment
  CHSC31284  Briza maxima Mark Stopher 1980-5-16 68 Humboldt Along Hwy 101 near jct with Elk River, s of Eureka. Comment
  HSC89994  Briza maxima Leonel Arguello 1989-6-2 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, Hunt parcel Comment
  SEINET9806296 Image available Briza maxima Unknown 2007-6-19 Humboldt Arcata, CA Comment
  CAS-BOT-BC145568  Briza minor Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  CAS-BOT-BC484216  Brodiaea elegans subsp. elegans Doris K. Kildale 1927-7-1 3618 Humboldt Alton Hill 30 Comment
  HSC3019  Brodiaea elegans subsp. elegans David Adams 1960-7-10 Humboldt W of Mad River Slough 0 Comment
  HSC45072  Brodiaea terrestris subsp. terrestris R. Sutherland 1978-5-12 5 .12578 Humboldt McKee Flat 288 Comment
  CAS-BOT-BC144347  Bromus L. R. Abrams 1916-7-11 6012 Humboldt Mouth of Grizzly Creek on Van Duzon River. Comment
  RSA127007  Bromus carinatus H. S. Yates 1936-6-17 5692 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  SEINET943640  Bromus carinatus var. carinatus T. R. Van Devender, R. K. Van Devender 1990-1 90 -105 Humboldt Paticks Point State Park, near Trinidad Comment
  UC1145160  Bromus carinatus var. carinatus Joseph P. Tracy 1950-6-15 18786 Humboldt 7 mi n of Harris (Mail Ridge); Mail Ridge 1036 Comment
  UC1152026  Bromus carinatus var. carinatus Joseph P. Tracy 1951-6-26 19569 Humboldt vicinity of Twin Lakes Comment
  HSC37936  Bromus diandrus Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  HSC65109  Bromus diandrus J. P. Smith, Steve Selva 1970-6-14 3829 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC102645  Bromus hordeaceus J. P. Smith 2009-5-31 12607 Humboldt Bald Hills Road. 713 Comment
  HSC90694  Bromus hordeaceus Gail Newton 1982-6-5 3585 Humboldt Elk River Wildlife Area, Eureka. Comment
  UCD58705  Bromus hordeaceus Linda M. Barker 1976-5-13 1477 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC32513  Bromus laevipes D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5716 Humboldt McKeown Ranch, N of Dinsmore Comment
  CDA1852  Bromus vulgaris E. C. Whitney 1976-6-1 Humboldt Redcrest. 0 Comment
  UCD114860  Cakile edentula Malcolm A. Nobs; S. Galen Smith 1949-8-11 1337 Humboldt Marsh at eastern shore of Stone Lagoon. Comment
  CAS-BOT-BC36855  Cakile edentula var. edentula Alice Eastwood; John Thomas Howell 1934-4-11 1323 Humboldt Trinidad. Comment
  HSC6608  Cakile maritima D. E. Anderson 1961-9-2 1770 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  UCD114934  Cakile maritima M. Barbour 1969-9-4 s.n. Humboldt About 1 mile SW of Samoa. Comment
  UCR39782  Calamagrostis foliosa Kenneth Clark 1980-5-10 641 Humboldt Point Delgada Q., Shelter Cove, coastal bluffs of Point Delgada 3 Comment
  UC526803  Calamagrostis koelerioides Joseph P. Tracy 1933-8-30 13008 Humboldt Horse Mountain Northern Coast Ranges 1371 Comment
  UCD57329  Calamagrostis koelerioides Joseph P. Tracy 1936-7-26 15050 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  CAS-BOT-BC185184  Calamagrostis nutkaensis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  UC1103287  Calamagrostis nutkaensis Joseph P. Tracy 1918-7-21 5079 Humboldt Humboldt Hill Northern Coast Ranges, <area> around Humboldt Bay 182 Comment
  HSC100897  Calandrinia pygmaea Carl C. Marshall Jun 1886 318 Humboldt Trinity Summit. Comment
  UC183600  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1913-4-13 4038 Humboldt Ryan's Slough Northern Coast Region, Humboldt Bay Region (on Arcata road) 0 Comment
  HSC12695  Callitriche stagnalis Jana Kattenhorn 1970-10-28 156 Humboldt Mad River at mouth of Lindsey Creek, North Bank Rd. off Hwy. 299, along Mad River Comment
  CAS-BOT-BC488455  Calochortus amabilis Doris K. Kildale 1926-5-16 2004 Humboldt Miranda on south fork of Eel River. Comment
  UC667123  Calochortus amabilis Joseph P. Tracy 1916-6-19 4711 Humboldt Bosworth's Larrabee Creek 457 Comment
  HSC100550  Calochortus maweanus Carl C. Marshall May 1885 129 Humboldt Open ground in 'the hills'. Comment
  HSC15332  Calochortus tolmiei W. K. Parks Jul 1933 1194 Humboldt S Fork Mtn. Comment
  HSC15381  Calochortus tolmiei D. E. Anderson 1965-5-8 3653 Humboldt 3.5 mi. N of Willow Creek along rd. running along E of Trinity River Comment
  HSC98542  Calochortus tolmiei Cara Witte 2008-6-9 699 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  UC1197674  Calochortus tolmiei Joseph P. Tracy 1930-7-6 8839 Humboldt Kneeland Prairie 762 Comment
  UC1197677  Calochortus tolmiei Joseph P. Tracy 1922-4-30 5997 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC205208  Calycadenia fremontii Joseph P. Tracy 1920-8-15 5350 Humboldt mouth of Salmon River Northern Coast Ranges, Klamath River 243 Comment
  UC1196475  Calypso bulbosa Arthur E. Connick 1928-4-15 Humboldt Prairie Creek 91 Comment
  HSC55033  Calyptridium monospermum Overton, Butler 1979-7-31 11473 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  JEPS52522  Calyptridium umbellatum W. L. Jepson 1902-7-16 2040 Humboldt Trinity Summit 2133 Comment
  RSA119358  Calystegia occidentalis subsp. occidentalis S. S. Tillett 1956-7-6 625 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  HSC48792  Calystegia occidentalis subsp. occidentalis Brad Klipfel 1975-6-17 660 Humboldt 2 mi. E of Titlow Hill Rd. along Hwy. 299 Comment
  HSC44614  Calystegia soldanella Laura Witherspoon 1977-5-25 Humboldt Manila Comment
  POM202655  Camassia M. S. Jussel 1931-5-1 s.n. Humboldt On road to Garberville Comment
  UC1197667  Camassia quamash subsp. quamash Joseph P. Tracy 1933-5-20 12272 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 304 Comment
  RSA146360  Camissonia cheiranthifolia subsp. cheiranthifolia G. J. Goodman 1957-9-3 6550 Humboldt On the strand 2 miles south of Orick. Comment
  CHSC19519  Camissoniopsis cheiranthifolia subsp. cheiranthifolia P. F. Yull 1966-4-28 129 Humboldt One mile south of Fairhaven. Sand dunes. Comment
  UC665629  Camissoniopsis cheiranthifolia subsp. cheiranthifolia H. E. Parks August, 1941 24180 Humboldt sand dunes Little River State Park Comment
  UC741172  Camissoniopsis cheiranthifolia subsp. cheiranthifolia C. C. and S. K. Harris, Clarence Crane Jr. 1939-8-23 970 Humboldt Samoa Comment
  JEPS11849  Campanula prenanthoides Lincoln Constance 1934-6-11 854 Humboldt Lower Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  SEINET10462967  Campanula prenanthoides Stephen S. Tillett 1956-7-6 Tillett 612 Humboldt Area cleared by logging and fire, south slope along Bar Shanty Road, 5 miles from Orleans 488 Comment
  SEINET10462987  Campanula prenanthoides Vollmer VOLLMER 149 Humboldt On road to Bald Mountain, east of Korbel Comment
  SEINET10463306  Campanula prenanthoides Pollard 1948-7-23 POLLARD s.n. Humboldt REECE POINT NEAR ORLEANS Comment
  SEINET10939002  Campanula prenanthoides Tracy 1934-8-23 TRACY 13600 Humboldt Willow Creek Canyon 457 Comment
  SEINET10463418  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6946 Humboldt NR SNOW CAMP MTN, IAQUA BUTTES QUAD. NR WILLOW CR. EVERGREEN CONIFER FOREST, MEADOW, 4331 Comment
  SEINET10463519  Campanula scouleri Nelson 1975-7-15 NELSON 2031 Humboldt FRENCH CAMP, BALD HILLS SERPENTINE OUTCROP. T9N R3E SEC. 28 Comment
  SEINET10463703  Campanula scouleri Baker 1947-8-10 Baker 11901 Humboldt 15 mi NE of Hoopa near end of Forest Rd. Fir forest. 1372 Comment
  SEINET10463756  Campanula scouleri Chesnut 1888-6-19 CHESNUT s.n. Humboldt Pilot Ridge Comment
  SEINET10463760  Campanula scouleri Tracy 1947-6-28 TRACY 17722 Humboldt Dinsmore's; along Van Duzen River, opposite Buck Mountain, shady places under Pines. 762 Comment
  SEINET10463763  Campanula scouleri Ira L. Wiggins 1930-7-22 Wiggins 4699 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  SEINET10905968  Campanula scouleri Wolf 1934-7-2 WOLF 5854 Humboldt 2 MI FROM BALD MT ON RD TO KORBEL SEMISHADE, COMMON 762 Comment
  HSC6629  Capsella bursa-pastoris S. J. Roberts 1965-4-8 11 Humboldt 0.5 mi. S of junction of Alliance Rd. and Hwy. 101 Comment
  HSC89442  Capsella bursa-pastoris P. A. Daly 1986-1-20 40 Humboldt Trinidad Head, along trail 61 Comment
  HSC6642  Cardamine oligosperma D. B. Bader 1963-3-29 29 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101 Comment
  HSC27556  Cardamine oligosperma J. D. Ackerman, A. M. Montalvo 1973-5-6 73 Humboldt 3 mi. NW of Weott on Avenue of the Giants Comment
  UC1103603  Carex aquatilis var. dives Joseph P. Tracy 1938-7-6 16024 Humboldt Big Lagoon 6 Comment
  HSC70474  Carex aquatilis var. dives J. P. Tracy 1912-6-16 3702 Humboldt Hookton, around Humboldt Bay 0 Comment
  HSC102200  Carex athrostachya M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1114 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  UC562628  Carex athrostachya Joseph P. Tracy 1904-7-18 13426 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC74641  Carex bolanderi M. A. Baker 1980-5-18 1359 Humboldt Near Black Mtn. 792 Comment
  UC194802  Carex bolanderi Joseph P. Tracy 1914-7-5 4549 Humboldt Bald Mountain, between High Prairie and Snow Camp 1066 Comment
  SEINET3899382  Carex buxbaumii Thomas Nelson, Jane P. Nelson 1978-7-2 4397 Humboldt Along road 2S08 near Pine Mountain.; 0 1463 Comment
  SEINET10646885  Carex buxbaumii Robert F. Thorne 1965-9-8 Thorne 35293 Humboldt Big Lagoon. 3 Comment
  CAS-BOT-BC34972  Carex densa Joseph Prince Tracy 1938-6-9 15876 Humboldt Dobbyn Creek. 152 Comment
  JEPS79839  Carex densa Joseph P. Tracy 1936-6-3 14847 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
Read comments
Nov 1 2009
  SEINET7557970 Image available Carex echinata subsp. phyllomanica Juha Pykala, D. H. Norris 1987-6-24 1900 Humboldt Big Lagoon, Big Lagoon fen. Comment
  UC249759  Carex echinata subsp. phyllomanica Joseph P. Tracy with H. E. Parks 1924-8-3 6773 Humboldt Big Lagoon Northern Coast Region 6 Comment
  SEINET7483969 Image available Carex exsiccata Joseph P. Tracy 1934-1 13502 Humboldt Along coast in front of South End of Stone Lagoon. 3 Comment
  CHSC109942  Carex geyeri Peter F. Zika 2011-7-3 25498 Humboldt Titlow Hill Road, 4.2 road miles SE of Route 299 at Berry Summit, 0.8 air km SSW of Horse Mountain, Outer North Coast Ranges. 1390 Comment
  CHSC45238  Carex geyeri L. P. Janeway 1984-6-17 848 Humboldt Titlow Hill Rd at turn to Horse Mtn. 1420 Comment
  UC906711  Carex globosa Harold E. Parks and Joseph P. Tracy 1942-5-16 11556 Humboldt vicinity Garberville 152 Comment
  CAS-BOT-BC20874  Carex globosa Joseph Prince Tracy 1932-4-3 9791 Humboldt North Coast Ranges. Englewood. 91 Comment
  CAS-BOT-BC146596  Carex gynodynama Joseph P. Tracy 1936-6-21 14991 Humboldt Iaqua 609 Comment
  UC213330  Carex gynodynama Joseph P. Tracy 1920-5-18 5324 Humboldt Northern Coast Ranges: On South Fork, 5 miles above Dyerville. Along Eel River from South Fork to Scotia. Comment
  CAS-BOT-BC22319  Carex harfordii Joseph Prince Tracy 1935-6-8 13936 Humboldt Eureka. 60 Comment
  CAS-BOT-BC21019  Carex hendersonii Joseph Prince Tracy 1926-6-13 7598 Humboldt Blue Lake. 152 Comment
  CAS-BOT-BC7845  Carex infirminervia Joseph Prince Tracy 1935-7-23 14162 Humboldt Trinity Summit. Wooded hillsides, lower end of Brett Hole. 1584 Comment
  HSC102230  Carex jonesii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1151 Humboldt Patterson Meadows 1555 Comment
  CHSC85986  Carex laeviculmis L. P. Janeway 2003-7-30 7946 Humboldt High North Coast Ranges. Small spring and seep 100 m south-west of Clear Lake, 3.1 km southeast of Titlow Hill. 1494 Comment
  HSC76390  Carex mendocinensis L. P. Janeway 1982-6-20 14 Humboldt S of Horse Mtn., along Rd. 6N36, 100 m N of Titlow Hill Rd. 1384 Comment
  RSA0014502  Carex mendocinensis Joseph P. Tracy 1924-6-15 6697 Humboldt Near Ruby Creek, on the Willow Creek Highway. 610 Comment
  HSC102156  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1064 Humboldt Patterson Meadows 1555 Comment
  HSC82414  Carex microptera Thomas W. Nelson 1979-7-11 5033 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  UC103569  Carex multicaulis Joseph P. Tracy 1912-7-31 3940 Humboldt near Buck Mountain summit; Northern Coast Ranges 1524 Comment
  SEINET4292202 Image available Carex multicostata Unknown 2003-1 7945 Humboldt High North Coast Ranges. At upper edge of Clear Lake, 2.9 km southeast of Titlow Hill. Grouse Mountain Quad. Comment
  UC303147  Carex multicostata Joseph P. Tracy 1925-5-24 7009 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC26097  Carex multicostata J. O. Sawyer 1970-6-27 2303 Humboldt 1829 Comment
  UC562666  Carex multicostata Joseph P. Tracy 1935-5-25 13865 Humboldt Fort Seward 106 Comment
  POM126515  Carex nudata Joseph P. Tracy 1922-5-29 6069 Humboldt South Yager Creek Valley. 762 Comment
  HSC86334  Carex obnupta Rudolf W. Becking 1988-4-9 Humboldt South Spit, opposite Fields Landing Comment
  JEPS63691  Carex obnupta William S. Cooper 1925-7-29 112 Humboldt Samoa Comment
  POM250761  Carex obnupta D. D. Keck 1938-8-5 4770 Humboldt Big Lagoon, among rocks in open spots on beach Comment
  UC562241  Carex obnupta Joseph P. Tracy 1936-6-9 14892 Humboldt 3 mi e Cape Mendocino; Cape Ridge 243 Comment
  HSC45475  Carex pachystachya Thomas W. Nelson, Jane P. Nelson 1978-7-2 4407 Humboldt Along margin of Lost Lake 1433 Comment
  HSC45951  Carex pachystachya J. P. Smith, Steve Selva 1970-6-30 4108 Humboldt Comment
  CAS-BOT-BC118599  Carex praticola Joseph Prince Tracy 1936-5-29 14826 Humboldt Gans Prairie, on ridge E of Orick, in grassy flat. 548 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  HSC58704  Carex rostrata Terry Griswold, Butler 1979-7-11 7097 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  SEINET4290249 Image available Carex subbracteata Unknown 2009-1 24494 Humboldt Outer North Coast Range (NCoRo), between Lord-Ellis and Berry summits. Above Route 299, 2.3 road miles W of junction with Chezen road. Comment
  SEINET7486521 Image available Carex subbracteata Peter F. Zika 2009-1 24494 Humboldt above Route 299, 2.3 road miles W of junction with Chezen Road, Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits Comment
  CAS-BOT-BC116679  Carex subfusca Joseph Prince Tracy 1928-6-24 8470 Humboldt Valley of south Yager Creek in wet meadow. 762 Comment
  CAS-BOT-BC115572  Carex tumulicola Joseph Prince Tracy 1930-7-10 8859 Humboldt In grassy opening, Brannan Mountain. 1219 Comment
  CAS-BOT-BC115575  Carex tumulicola Joseph Prince Tracy 1939-4-29 16254 Humboldt Orleans. 121 Comment
  CAS-BOT-BC115542  Carex unilateralis Joseph Prince Tracy 1933-6-9 12539 Humboldt Fortuna, Bed of winter pool. 18 Comment
  HSC76379  Carex viridula L. P. Janeway 1982-8-7 116 Humboldt Dry Lagoon, middle of lagoon 3 Comment
  HSC26372  Carpobrotus chilensis T. O. Osborne 1970-9-16 37 Humboldt Trinidad Bay, Prisoner Rock Comment
  HSC2875  Carpobrotus chilensis J. Wendell Howe 1930-5-27 158 Humboldt Pigeon Point Comment
  RSA170321  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie on ridge 1 mile north above Bull Creek, about 2 miles west of Dyerville Comment
  UCD129945  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie, on ridge 1 m. north above Bull Creek, ca. 2 miles west of Dyerville. Comment
  UC382597  Castilleja Joseph P. Tracy 1925-8-14 7230 Humboldt near Samoa (Samoa Sand Dunes, on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC1196855  Castilleja Joseph P. Tracy 1929-7-4 8634 Humboldt French Camp Ridge 1066 Comment
  UC1196741  Castilleja affinis subsp. affinis Joseph P. Tracy 1942-7-1 17366 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Van Duzen River 762 Comment
  BLMAR667  Castilleja affinis subsp. litoralis Jennifer Wheeler 2012-7-12 667 Humboldt King range, Strawberry rock 253 Comment
  JEPS66407  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1971-7-1 2667 Humboldt 2 mi sw Orick (s end of Freshwater Lagoon); Freshwater Lagoon Comment
  HSC90430  Castilleja ambigua subsp. humboldtiensis Jean Hanson 1980-6-22 97 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  SJSU8462  Castilleja ambigua subsp. humboldtiensis H. T. Harvey 1977-7-6 609 Humboldt South Spit, Humboldt Bay Comment
  UC582584  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1935-7-24 14203 Humboldt near Trinity Summit, Ranger Station; Trinity Summit 1828 Comment
  CAS-BOT-BC255520  Castilleja applegatei var. pinetorum Clarence R. Quick 1959-7-24 59 -32 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC72482  Castilleja attenuata J. P. Smith, J. O. Sawyer 1973-5-12 6682 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC72570  Castilleja densiflora J. P. Smith, J. O. Sawyer 1976-5-2 8623 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  HSC78976  Castilleja exserta subsp. latifolia L. P. Janeway, Paul Wilson 1984-5-25 825 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  JEPS10649  Castilleja exserta subsp. latifolia Frank W. Peirson 1926-7-14 7064 a Humboldt Table Bluff Lighthouse Table Bluff Comment
  RSA518654  Castilleja litoralis L. R. Heckard, T. I. Chuang 1971-7-1 2667 Humboldt Slope at south end of Freshwater Lagoon, 2 miles southwest of Orick. Comment
  HSC101997  Castilleja miniata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 896 Humboldt Patterson Meadows 1555 Comment
  HSC56190  Castilleja miniata Gilbert Muth 1979-8-1 12128 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC213503  Castilleja miniata Joseph P. Tracy 1919-9-18 5228 Humboldt Trinity Summit; Northern Coast Ranges 1828 Comment
  HSC73640  Castilleja pruinosa M. A. Baker 1980-7-23 3169 Humboldt Near Orleans Mtn. 1859 Comment
  HSC72569  Castilleja pruinosa J. P. Smith, J. O. Sawyer 1976-5-2 8628 Humboldt S. R. 96, 4.9 mi. N of its junction with S.R. 299 122 Comment
  UC1502125  Ceanothus R. Sutherland 1975-7-1 B. 1 .7 75 Humboldt along Baker Creek; Garberville Quad., along Baker Creek 335 Comment
  UC1198032  Ceanothus cordulatus Joseph P. Tracy 1935-7-14 14092 Humboldt near Clear Lake (ridge); Northern Coast Ranges 1524 Comment
  UC1193330  Ceanothus cuneatus var. cuneatus K. Cuff Sep 1950 125 Humboldt 6 mi nw Garberville (rocky ridgecrest of Bear Butte); Quad. 29C1 762 Comment
  UC18280  Ceanothus cuneatus var. cuneatus C. C. Marshall April 1888 Humboldt Hoopa Valley Comment
  UCD112128  Ceanothus foliosus R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  HSC37599  Ceanothus foliosus var. foliosus R. Sutherland 1975-7-7 2 .7775 Humboldt Slopes of Eubanks Creek 274 Comment
  RSA600899  Ceanothus foliosus var. foliosus Louis C. Wheeler 1959-8-1 7619 Humboldt Queens Peak Mine. Comment
  JEPS82328  Ceanothus gloriosus var. exaltatus Roger Raiche 1983-7-18 30530 Humboldt 2.4 mi n rd to Shelter Cove (along King Peak Rd); King Range Comment
  UC1052835  Ceanothus incanus W. L. Colwell 1955-5-5 23 Humboldt North of Windbigler River Quad. 29-A-2 Comment
  UC1070753  Ceanothus incanus A. E. Wieslander 1931-5-22 218 Humboldt Wilder Ridge Comment
  UC1193319  Ceanothus incanus R. H. Neuns 1950-7-13 130 Humboldt 3 miles south of Alder Point 548 Comment
  UC668165  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek; near Bosworth's 304 Comment
  HSC36673  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-5-8 7 .8575 Humboldt Mattole Valley, 3 mi W of Honeydew 107 Comment
  HSC37085  Ceanothus parryi R. Sutherland 1975-6-4 1 .4675 Humboldt Near county rd. 2 mi NE of Briceland 168 Comment
  UC1071292  Ceanothus prostratus A. E. Wieslander 1931-5-19 203 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  BLMAR806  Ceanothus thyrsiflorus Madeleine Hassett 2017-7-25 806 Humboldt Lost Coast Headlands, ~200ft down the road from Fleener Creek trailhead 75 Comment
  CAS-BOT-BC52955  Ceanothus thyrsiflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  CAS-BOT-BC52993  Ceanothus thyrsiflorus Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC37614  Ceanothus thyrsiflorus R. Sutherland 1975-5-28 6 .28575 Humboldt N Fork of Horse Mtn. Creek 396 Comment
  RSA398934B  Ceanothus thyrsiflorus Bonnie C. Templeton 1964-6-13 10087 Humboldt Lighhouse Point, Trinidad Head. Comment
  UC774513  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11089 Humboldt summit Trinidad Head; Summit of Trinidad Head 45 Comment
  UCD112719  Ceanothus thyrsiflorus H. P. Olmo 1934-6-8 s.n. Humboldt 5 mi. north of Trinidad. Comment
  CDA7086  Centaurea calcitrapa T. C. Fuller 1960-8-25 4975 Humboldt Pacific Lumber Company, Perrott Creek, across Eel River from Dyerville. 0 Comment
  UC1222952  Centaurea cyanus Joseph P. Tracy 1942-7-18 17281 Humboldt near Garberville Comment
  HSC100256  Centaurea solstitialis J. P. Smith 2009-8-3 12644 Humboldt Along the Eel River. 23 Comment
  UC1222949  Centaurea solstitialis Joseph P. Tracy 1943-11-28 17452 Humboldt near Alton (Eel River bar at mouth of Van Duzen); Eel River, Van Duzen Comment
  JEPS46937  Centaurium muehlenbergii W. L. Jepson 1932-7-27 16424 Humboldt Bull Creek Comment
  UC1198634  Centaurium muehlenbergii Joseph P. Tracy 1935-5-25 13870 Humboldt Fort Seward 106 Comment
  POM225120  Centaurium muehlenbergii P. A. Munz 1936-8-9 14329 Humboldt Half a mile north of Humboldt-Mendocino county line, in Redwood Highway. Comment
  UC511367  Centaurium muehlenbergii Lyman Benson 1929-7-19 1899 Humboldt Weeott Ranger Station, watershed of South Fork Eel River, seaward side of n coast mountain range South Fork Eel River 60 Comment
  HSC62760  Centranthus ruber J. M. DiTomaso 1979-4-2 853 Humboldt Arcata, Fickle Hill Rd. Comment
  HSC70729  Cephalanthera austiniae Gail Newton 1980-7-14 1525 Humboldt Near Deadman Ridge 1097 Comment
  HSC98133  Cephalanthera austiniae Cara Witte 2007-6-27 372 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  HSC98795  Cephalanthera austiniae Cara Witte 2008-7-3 828 Humboldt Intersection of Friday Ridge Rd (6N08) and 5N39 1512 Comment
  UC1196469  Cephalanthera austiniae Stuart Harris 1936-6-12 3300 Humboldt Chalk Mt. 609 Comment
  CAS-BOT-BC384899  Cerastium arvense Doris K. Kildale 1928-4-29 5967 Humboldt Horse Mountain 853 Comment
  UC668109  Cerastium fontanum subsp. vulgare Joseph P. Tracy 1933-5-28 12412 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  CAS-BOT-BC388225  Cerastium glomeratum Alice Eastwood 1907-4-21 15 Humboldt Port Trinidad Comment
  HSC89604  Cerastium glomeratum M. Roantree 1985-4-25 10 Humboldt E side of Trinidad Head. Comment
  HSC56986  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9534 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  POM161038  Chamaecyparis lawsoniana Joseph P. Tracy 1926-6-27 7672 Humboldt Horse Mountain 1463 Comment
  UC1198973  Chamaesyce serpyllifolia Joseph P. Tracy 1920-8-15 5382 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 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
  UC1122511  Chamerion angustifolium subsp. circumvagum H. L. Person 1932-7-16 Humboldt hwy n Trinidad; Rock Point Quadrangle Comment
Read comments
Aug 3 2007
  UCSB30589  Chamerion angustifolium subsp. circumvagum Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca. 1/2-3/4 mi. in on dirt road from jct. with Fickle Hill Rd., ca. 5 mi. E. of jct. of Fickle Hill Rd. and Park Ave., Arcata Comment
  HSC74745  Cheilanthes gracillima Gail Newton 1981-8-7 2426 Humboldt Near Bug Creek Butte 1244 Comment
  CAS-BOT-BC70164  Cheilanthes gracillima Henry M. Pollard 1947-9-1 s.n. Humboldt Peak of Somes Mtn. nr. Orleans 1524 Comment
  HSC38999  Cheilanthes gracillima Thomas W. Nelson, Jane Nelson 1976-5-31 2660 Humboldt County line, S of meadow along 5E27 just N of its junction with 1S07 1524 Comment
  CAS-BOT-BC473031  Chenopodium macrospermum var. farinosum Malcom A. Nobs; S. Galen Smith 1949-8-11 1340 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  UC673035  Chenopodium macrospermum var. halophilum Harold E. Parks and Joseph P. Tracy 1934-10-13 11151 Humboldt Big Lagoon; on shore 3 Comment
  UC1225781  Chenopodium murale Joseph P. Tracy 1948-1-11 17949 Humboldt Eureka 30 Comment
  HSC17955  Chimaphila umbellata D. E. Anderson 1961-9-30 1846 Humboldt Divide Lake. 915 Comment
  HSC41343  Chimaphila umbellata Brad Klipfel 1974-8-2 503 Humboldt Horse Mtn. Comment
  UC1197603  Chimaphila umbellata Joseph P. Tracy 1948-8-15 18140 Humboldt on ridge 2 mi. e. Grove's Prairie (Trinity Summit); Trinity Summit 1524 Comment
  UC526690  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt summit near Blake Lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC1198851  Chrysosplenium glechomifolium Joseph P. Tracy 1928-4-29 8422 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  JEPS156  Cicuta douglasii W. L. Jepson 1936-8-17 17930 Humboldt near Arcata (s of Salmon Creek, Mad River); Mad River Comment
  HSC39165  Circaea alpina subsp. pacifica D. E. Anderson, J. P. Smith 1971-6-28 - 1238 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC48313  Circaea alpina subsp. pacifica Brad Klipfel 1973-8-3 301 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  BLMAR594  Circaea alpina subsp. pacifica Jennifer Wheeler 2010-7-28 594 Humboldt Lacks Creek, off Pine Ridge Road under shady old growth Douglas-fir 975 Comment
  RSA125055  Circaea alpina subsp. pacifica Peter H. Raven, R. Snow 1958-7-20 13640 Humboldt 1.1 miles south of junction of Friday Ridge Road on Titlow Hill Road, near Grouse Ridge. Comment
  HSC100427  Cirsium Carl C. Marshall Jun 1885 15 Humboldt Pilot Creek. Comment
  SD113204  Cirsium arvense Darley F. Howe 1959-8-4 2800 Humboldt 78.5 miles west of Weavervilleon. Comment
  CAS-BOT-BC284441  Cirsium brevistylum L. R. Abrams 1927-9-1 12062 Humboldt Big Lagoon Comment
  JEPS89473  Cirsium douglasii var. breweri Dean W. Taylor 1991-8-15 12302 Humboldt ridge 1 mi w of Horse Mountain (North Coast Ranges); North Coast Ranges 1493 Comment
  SEINET11860324  Cirsium douglasii var. canescens H. E. Parks, Parks, S. T. 1947-1 24441 Humboldt South Fork Camp, Willow Creek Comment
  CAS-BOT-BC285532  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-6-24 5274 Humboldt Horse Mountain 914 Comment
  RSA168798  Cirsium occidentale var. candidissimum Joseph P. Tracy 1942-8-9 17302 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC97210  Cirsium occidentale var. venustum Kiera A. Freeman, Heather J. Perry 2007-6-11 5 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1372 Comment
  CAS-BOT-BC288713  Cirsium remotifolium Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC68157  Cirsium vulgare J. P. Smith 1971-10-6 4972 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC11999  Cirsium vulgare D. La Conte 1970-7-11 27 Humboldt Comment
  HSC5385  Cirsium vulgare J. W. Johnson 1961-9-10 1113 Humboldt Arcata, S of Dune 3 N, Christenson Farm, Samoa Pennisula Comment
  HSC89489  Cirsium vulgare P. A. Daly 1986-2-28 65 Humboldt Trinidad Head, along trail 61 Comment
  UC183702  Clarkia amoena subsp. amoena Joseph P. Tracy 1912-7-26 3857 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC16277  Clarkia concinna subsp. concinna J. E. Lankila 1962-5-6 13 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  UC20004  Clarkia concinna subsp. concinna Harley P. Chandler June, 1901 1325 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC38460  Clarkia davyi A. Montalvo 1975-5-24 270 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing 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
  UC902179  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Humboldt Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  UC144077  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1908-6 2679 Humboldt nw slope Buck Mountain; Northern Coast Ranges 609 Comment
  UC35399  Clarkia purpurea subsp. quadrivulnera Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  JEPS43554  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1932-8-8 16490 Humboldt below Chaney Ranch; Grasshopper Peak 822 Comment
  RSA108219  Clarkia purpurea subsp. quadrivulnera Harlan Lewis, M. Lewis 1947-6-14 418 Humboldt Highway 36, 0.1 mile east of Van Duzen River Bridge (4.129) Comment
  JEPS43680  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  CAS-BOT-BC439096  Claytonia cordifolia Harold E. Parks; Joseph P. Tracy 1949-6-25 11680 Humboldt Trinity Summit: at Box Camp 1463 Comment
  HSC44425  Claytonia lanceolata Brad Klipfel 1975-5-30 648 Humboldt Horse Mtn. Comment
Read comments
Sep 23 2019
  HSC48838  Claytonia lanceolata Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 30 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  CAS-BOT-BC439782  Claytonia perfoliata Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  CAS-BOT-BC440093  Claytonia perfoliata subsp. perfoliata J. H. Thomas 1949-6-13 922 Humboldt Along Klamath River, about 1 mile north of town of Orleans. Comment
  UC161025  Claytonia rubra subsp. depressa Joseph P. Tracy 1904-5-1 2048 Humboldt near Bucksport; Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC104454  Claytonia rubra subsp. rubra Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 6 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC39620  Claytonia rubra subsp. rubra Thomas W. Nelson 1976-6-15 2723 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC82021  Claytonia saxosa Thomas W. Nelson, James Nelson 1980-6-10 5398 Humboldt Along Swayback Ridge 4-wheel drive road, 1.25 mi. S of junction with Forest Service road. 1494 Comment
  CAS-BOT-BC443886  Claytonia sibirica Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC76598  Claytonia sibirica Teresa Prendusi 1981-7-24 474 Humboldt Near Whiteys Peak 1585 Comment
  JEPS109414  Claytonia sibirica D. W. Taylor 2004-6-24 19140 Humboldt Head of Madden Creek, Ammon Ridge, seepage area along logging spur road arterial to Forest Road 5N81. Comment
  UC1223253  Claytonia sibirica Joseph P. Tracy 1951-6-14 19414 Humboldt Snow Camp Comment
  UC83824  Claytonia sibirica Harley P. Chandler May 1901 1090 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  CAS-BOT-BC443888  Claytonia sibirica Ynez Whilton Winblad 1941-6-25 s.n. Humboldt Between Garberville and Pepperwood Comment
  HSC95738  Claytonia sibirica Kevin Thomas 2004-3-18 5 Humboldt Near Clam Beach exit off Hwy. 101N, along old Hwy. 101, at end of Little River Rd. Comment
  UC161049  Claytonia sibirica Joseph P. Tracy 1911-7-5 3326 Humboldt near mouth of Willow Creek (along Willow Creek, tributary of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  UC418984  Claytonia sibirica H. E. Parks May 1930 742 Humboldt Upper Van Duzen River Comment
  JEPS43173  Claytonia washingtoniana Joseph P. Tracy 1933-5-18 12193 Humboldt 5 mi w Blue Lake (along Mad River); Mad River 30 Comment
  HSC15446  Clintonia andrewsiana Jack Rockwell 1962-4-29 67 Humboldt S bank Van Duzen River E of Hwy. 101 Comment
  SEINET12047068  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -609 Humboldt Humboldt Redwoods State Park, Bull Creek Flats area 213 Comment
  JEPS14933  Collinsia grandiflora H. E. Parks and J. P. Tracy 1930-5-25 741 Humboldt Laribee Valley 762 Comment
  UC1196766  Collinsia grandiflora Joseph P. Tracy 1933-6-13 12572 Humboldt w Hoopa (near summit of Hoopa Mtn on rd from Hoopa to Bair's); Hoopa Mtn 1066 Comment
  HSC32318  Collinsia greenei D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5653 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  JEPS26343  Collinsia heterophylla Joseph P. Tracy 1914-5-14 4464 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  CHSC97959  Collinsia linearis Laurel Goldsmith; Wanda Naylor 2005-6-8 4 Humboldt 1.7 miles south of Hwy 299 on Titlow Hill Rd. UTM 0436141, 4525408. 980 Comment
  UC54920  Collinsia linearis Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  JEPS13757  Collinsia linearis Frank W. Gould 1939-5-30 831 Humboldt Horse Mtn 762 Comment
  UC727681  Collinsia linearis Milo S. Baker 1946-6-15 11486 Humboldt near Head of Willow Creek Canyon (Trinity Highway); Trinity Highway Comment
  UC1115823  Collinsia parviflora Joseph P. Tracy 1939-7-9 16332 Humboldt Snow Camp 1402 Comment
  HSC97483  Collinsia parviflora C. Witte 2007-5-10 18 Humboldt Along National Forest 1, near Kinsey Ridge. .2 miles south of intersection with 5N04. 1451 Comment
  HSC24394  Collinsia rattanii J. O. Sawyer 1970-6-24 2281 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC38493  Collinsia rattanii D. E. Anderson, J. P. Smith 1971-6-18 - 1093 Humboldt Horse Mtn. Comment
  UC582458  Collinsia rattanii Joseph P. Tracy 1935-6-23 13994 Humboldt French Camp Ridge 1066 Comment
  HSC16927  Collomia heterophylla D. E. Anderson 1965-5-8 3639 Humboldt About 2 mi. N of Willow Creek on the road running along E side of Trinity River Comment
  HSC97480  Collomia heterophylla Cara Witte 2007-5-31 146 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 west of road. 1489 Comment
  UC146175  Collomia heterophylla Joseph P. Tracy 1908-6-7 2608 Humboldt hillside on river at mouth of Maple Creek; Northern Coast Ranges, Mad River 152 Comment
  HSC102167  Collomia tracyi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1079 Humboldt Patterson Meadows 1555 Comment
  JEPS26242  Collomia tracyi Joseph P. Tracy 1932-7-12 10468 Humboldt head Brett Hole (in areas of disintegrated rock); Trinity Summit 1828 Comment
  UC1222613  Conium maculatum Joseph P. Tracy 1950-6-8 18768 Humboldt near Petrolia (Hills between town and ocean) Comment
  UC180508  Conium maculatum Joseph P. Tracy 1914-6-7 4496 Humboldt Region about Humboldt Bay (South Fork Elk River, at Falk's Mill); Northern Coast Region, South Fork Elk River, Falk's Mill 0 Comment
  HSC38916  Conium maculatum J. P. Smith 1973-5-26 6794 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC69531  Conium maculatum R. Kalal 1980-6-1 4 Humboldt 0.25 mi. N of Hwy. 299, at Essex turnoff 15 Comment
  HSC27021  Conyza canadensis Brad Klipfel 1973-8-9 263 Humboldt Samoa Comment
  JEPS41827  Conyza canadensis W. L. Jepson 1936-8-13 17897 Humboldt Philipsville South Fork Eel River Comment
  HSC44517  Corallorhiza maculata Brad Klipfel 1973-7-1 125 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC76613  Corallorhiza maculata Teresa Prendusi 1981-6-9 185 Humboldt Near Cedar Camp 1268 Comment
  UC14966  Corallorhiza maculata Harley P. Chandler June, 1901 1395 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC45237  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3516 Humboldt Trail above Alder Springs 1585 Comment
  HSC44843  Corallorhiza mertensiana Thomas W. Nelson, Jane P. Nelson 1977-7-1 3566 Humboldt N side of ridge between Bear Creek & Blanket Creek 1524 Comment
  UC902263  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1949-8-4 18412 Humboldt Mud Springs Trinity Summit 1341 Comment
  CAS-BOT-BC101147  Corethrogyne filaginifolia W. R. Dudley 1899-6-1 s.n. Humboldt Eureka [Penninsula] Peninsula Comment
  RSA697172  Cornus nuttallii J. R. Bruff 1937-8-17 919 Humboldt Richardson Grove. Comment
  HSC102041  Cornus sericea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 944 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  UC668295  Cornus sericea subsp. sericea Joseph P. Tracy 1935-7-25 14230 1/2 Humboldt near Corral Prairie (Trinity Summit); Trinity Summit 1584 Comment
  UC154068  Cornus sessilis Mrs. M. H. Manning 1902-1 Humboldt near Hupa Comment
  HSC31386  Cortaderia selloana Ernest P. Camilleri 1974-11-20 Humboldt 2 mi. S of Arcata on Hwy. 101 Comment
  UC1197933  Corylus californica Joseph P. Tracy Jul 16-19 1930 9058 Humboldt South Fork Mountain, along summit near Blake lookout Northern Cosast Ranges 1706 Comment
  UC1225941  Corylus californica Joseph P. Tracy 1946-8-25 17641 Humboldt Table Bluff, on Hookton road 9 Comment
  UC667999  Corylus californica Joseph P. Tracy 1935-3-8 13730 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC180305  Corylus cornuta subsp. californica Carl D. Duncan 1920-9-27 s.n. Humboldt Hoopa Comment
  OBI36371  Corylus cornuta subsp. californica David J. Keil 1983-7-1 17269 Humboldt Ca. 13 mi W of jctn US 101 along Bull Crk Flats Rd Comment
  HSC97559  Corylus cornuta var. californica Cara Witte 2007-6-5 210 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  RSA134173  Corylus cornuta var. californica P. C. Everett, E. K. Balls 1959-10-24 23956 Humboldt 4.7 miles S from Bluff Creek, Hwy 96 from Orleans to Weitchpec. 122 Comment
  RSA46829  Corylus cornuta var. californica Doris K. Kildale 1926-9-5 2638 Humboldt On trail between Goat Camp and Red Peak. 1616 Comment
Read comments
Jan 24 2013
  RSA0076088  Cotoneaster franchetii Robert F. Thorne 1974-7-29 45072 Humboldt Samoa Dunes. Comment
  UC1199279  Cotula coronopifolia Joseph P. Tracy 1922-5-28 6058 Humboldt Little River Beach North Coast Ranges. Little River Beach 6 Comment
  CAS-BOT-BC291344  Cotula coronopifolia Doris K. Kildale 1925-9-26 1366 Humboldt Mouth of Mad River Comment
  CAS-BOT-BC291480  Crepis capillaris Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC290590  Crepis capillaris L. R. Abrams; R. Bacigalupi 1922-6-25 8287 Humboldt North of Big Lagoon Comment
  HSC49083  Crepis capillaris Patricia Shesgreen 1978-8-5 128 Humboldt Along 16th St., 100 yards E of Union St., Arcata Comment
  UC1223028  Crepis occidentalis Joseph P. Tracy 1951-6-26 19575 Humboldt Twin Lakes vicinity Comment
  HSC41266  Crepis pleurocarpa Brad Klipfel 1974-7-23 459 Humboldt Horse Mountain Comment
  RSA113707  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek, near the mouth in woods along an old road 152 Comment
  SEINET10529035  Crocosmia aurea Charlene A. Bennett 1976-8-6 Bennett 477 Humboldt Collected by hwy. 101, N side of orick. Rocky area, densely forested by river 30 Comment
  UC1103235  Crypsis vaginiflora Joseph P. Tracy 1930-10-19 9231 Humboldt Alton to Fortuna; Eel River 15 Comment
  HSC41196  Cryptantha affinis Thomas W. Nelson 1977-7-4 3611 Humboldt Along road N of Alder Springs. 1524 Comment
  UC1239661  Cryptantha affinis Joseph P. Tracy 1937-7-25 15546 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  SBBG16519  Cryptantha leiocarpa D. E. Breedlove 1962-6-7 3051 Humboldt 1.5 mi S of Samoa on peninsula on W side of Humboldt Bay Comment
  HSC3589  Cryptantha torreyana H. E. Parks, J. P. Tracy 1934-6-27 11058 Humboldt Grouse Mtn. 1433 Comment
  UC525612  Cryptantha torreyana Joseph P. Tracy 1933-8-30 13024 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC55165  Cryptogramma acrostichoides Gilbert Muth 1979-8-1 12155 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  SEINET10531493  Cupressus macrocarpa Fred G. Meyer 1938-4-7 Meyer 1397 Humboldt About 20 miles north of Eureka Comment
  UC562671  Cuscuta californica Joseph P. Tracy Jul 16 1930-Jul 19 1930 8912 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  JEPS94283  Cuscuta campestris Vernon Oswald and Lowell Ahart 1997-9-4 8847 Humboldt Big Lagoon County Park at the sw edge of Big Lagoon Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  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
  HSC6395  Cuscuta subinclusa J. P. Tracy 1924-7-20 6736 Humboldt Brannan Mtn. on Willow Cr. Rd. 1006 Comment
  UC906653  Cyclospermum leptophyllum Joseph P. Tracy 1946-7-13 17613 Humboldt vicinity Carlotta 30 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
  HSC3640  Cynoglossum grande Elrid H. Spinas 1948-5-15 3 Humboldt Horse Mtn. 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
  UC525558  Cynoglossum grande Joseph P. Tracy 1927-6-12 8154 Humboldt lower slopes Horse Mt.; Northern Coast Ranges, Horse Mt. 1219 Comment
  UC175683  Cynoglossum occidentale Joseph P. Tracy 1911-7-7 3424 Humboldt near summit Brannan Mt. (ridge n. of Willow Creek, between Willow and Campbell Creeks); Northern Coast Ranges, Brannan Mt. 1219 Comment
  UCD60128  Cynosurus cristatus Malcolm A. Nobs; S. Galen Smith 1949-8-3 1195 Humboldt Southern outskirts of Eureka. Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  UC668030  Cyperus bipartitus Joseph P. Tracy 1938-8-14 16113 Humboldt slopes w. of its mouth S. Fork Trinity R. 304 Comment
  HSC97544  Cyperus eragrostis Ivy Watson 2008-10-5 40 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  UC668033  Cyperus eragrostis Joseph P. Tracy 1937-8-3 15612 Humboldt along Mad R. near Blue Lake; Mad R. 15 Comment
  SEINET200970  Cyperus melanostachyus Joseph P. Tracy 1920-8-15 5383 Humboldt Klamath River at Bluff Creek. 152 Comment
  UC1103640  Cyperus squarrosus Joseph P. Tracy 1930-10-19 9230 Humboldt Alton to Fortuna; Eel R. 15 Comment
  HSC7284  Cyperus strigosus D. E. Anderson 1963-9-21 2839 Humboldt 0.5 mi E of Willow Creek Comment
  HSC74128  Cystopteris fragilis R. York 1980-5-23 621 Humboldt Near Buck Mtn. 1524 Comment
  RSA183569  Cytisus monspessulanus R. I. Bonn 1965-3-19 8 Humboldt 1/2 mi. south of G.P. mill on Samoa Rd. Comment
  HSC14666  Cytisus scoparius R. E. Hafenfeld 1965-5-13 67 Humboldt County Rd. 1/2 mi. from Gold Bluff Beach Rd. Comment
  HSC14667  Cytisus scoparius F. B. Plett 1963-4-24 32 Humboldt 1.5 mi. N of Trinidad along Old Hwy. 101 Comment
  HSC14671  Cytisus scoparius Harvey Doerksen 1962-5-22 26 Humboldt .5 mi. E of Hwy. 299-101 junction. Comment
  UCD60489  Danthonia californica Joseph P. Tracy 1938-6-17 15951 Humboldt Cape Mendocino. 152 Comment
  UCD60964  Danthonia californica Joseph P. Tracy 1951-6-26 19571 a Humboldt Snow Camp and Twin Lakes vicinity. Comment
  UC526684  Danthonia californica var. americana Joseph P. Tracy 1930-6-21 8772 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  SEINET10598361  Danthonia intermedia Joseph P. Tracy 1934-7-18 Tracy 13421 Humboldt Grouse Mountain, wet meadow. 1524 Comment
  HSC20251  Darmera peltata C. F. Hudson 1964-5-7 6436 Humboldt 2 mi. up river from the mouth of Mad River, S bank 1 Comment
  UC585991  Datura stramonium Joseph P. Tracy 1924-8-31 6837 Humboldt Klamath River at Bluff Creek; Klamath River at Bluff Creek 91 Comment
  HSC46019  Daucus carota Catherine Chin 1978-8-5 94 Humboldt 7th & A St., Arcata Comment
  HSC36240  Delphinium decorum subsp. tracyi John Rehling 1975-5-12 71 Humboldt Bald Hills Area, 2 mi. up Williams Ridge Rd. Comment
  HSC97177  Delphinium decorum subsp. tracyi Benjamin Hart, Erin Lonergan 2007-6-4 2 Humboldt Grouse Mtn., Coldsprings Camp, 6.5 mi. up Titlow Hill Rd. 1372 Comment
  POM172673  Delphinium decorum subsp. tracyi Joseph P. Tracy 1913-6-17 4148 Humboldt Burr Valley, on NW slope of Buck Mtn Comment
  HSC75491  Delphinium depauperatum J. O. Sawyer 1980-7-18 3632 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC46067  Delphinium depauperatum R. C. Wunner 1962-5-6 Humboldt Denny Forest Service Campground Comment
  HSC56322  Delphinium glaucum Overton, Butler 1979-8-2 12662 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC37516  Delphinium menziesii J. D. Ackerman 1974-5-25 265 Humboldt 0.25 mi. S of Lufenholtz Beach between Moonstone and Trinidad Comment
  HSC86902  Delphinium patens Terry Hines, Ellen Purcell, N. Williams 1988-5-1 62 Humboldt Titlow Hill Rd., 0.75 mi. from Hwy. 299 625 Comment
  CAS-BOT-BC121968  Delphinium trolliifolium Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  UC1075803  Delphinium trolliifolium E. K. Balls and L. W. Lenz 1955-5-15 20736 Humboldt hills 9.9 mi sw Fernbridge (along Old Coast rd to Capetown) 502 Comment
  UC1334518  Delphinium trolliifolium G. A. L. Mehlquist and J. A. Jenkins 1940-5-29 9 Humboldt 1 1/2 mi n Kneeland Comment
  CAS-BOT-BC121966  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  HSC99633  Delphinium trolliifolium Allan R. Marshall 1962-5-11 10 Humboldt 50 yds. in front of N side of Hwy. 299 610 Comment
  SEINET12099649  Delphinium trolliifolium J. P. Tracy 1951-1 s.n. Humboldt half way between Snow Camp and Twin Lakes Comment
  UC160932  Delphinium trolliifolium Joseph P. Tracy 1906-4-8 2400 Humboldt s side of bluff near Singley's Ferry; Northern Coast Ranges, Table Bluff 91 Comment
  UC9230  Delphinium trolliifolium Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5615 Humboldt near Acorn Comment
  UC984819  Delphinium trolliifolium A. M. Vollmer and L. Beane 1951-6-6 106 Humboldt on road between Orick and Weitchpec Comment
  UCD61383  Deschampsia cespitosa Peter Haggard 1996-7-8 Humboldt North Coast Railroad right-of-way, Eureka. Comment
  CAS-BOT-BC194338  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1927-7-16 8257 Humboldt Mouth of Elk River, around Humboldt Bay, just south of Eureka 6 Comment
  HSC96496  Deschampsia cespitosa subsp. cespitosa Gordon Leppig 1998-7-19 983 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  UC526857  Deschampsia danthonioides Joseph P. Tracy 1932-7-14 10538 Humboldt Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  CAS-BOT-BC201768  Deschampsia elongata J. O. Sawyer; R. J. Cole 1977-7-3 3019 Humboldt Environs of Mud Spring. Big Hill Road (F.S. 8N01) 1524 Comment
  HSC54605  Deschampsia elongata Overton, Butler 1979-7-24 9689 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC9607  Deschampsia elongata J. P. Tracy 1926-6-6 7572 Humboldt Hoopa Mountain. Comment
  UC38482  Deschampsia elongata Harley P. Chandler May, 1901 1175 b Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 54 Comment
  HSC8359  Dicentra formosa J. Sandborg, F. Sandborg May 1968 9 Humboldt Bluff Creek near Notice Creek 793 Comment
  UC1196309  Dicentra formosa Joseph P. Tracy 1921-3-13 5422 Humboldt Alton; Northern Coast Region 30 Comment
  UC1196310  Dicentra formosa Joseph P. Tracy 1926-4-11 7404 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  BLMAR696  Dicentra formosa Jennifer Wheeler 2011-5-23 696 Humboldt Lacks Creek, Bair Rd. about one mile from Hwy. 300 426 Comment
  HSC8356  Dicentra formosa Eugene Andreuccetti 1964-4-11 18 Humboldt 1/2 mi. S of Garberville on Hwy. 101 Comment
  UC666914  Dichelostemma capitatum Joseph P. Tracy 1927-5-22 8075 Humboldt Kneeland Prairie 762 Comment
  HSC3033  Dichelostemma ida-maia H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  UC1198180  Dichelostemma ida-maia Joseph P. Tracy 1948-9-5 18187 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC153323  Diplacus layneae Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 Comment
  UC1197656  Disporum hookeri Joseph P. Tracy 1924-4-27 6648 Humboldt Redwood Creek, at Berry's Redwood Creek; Northern Coast Ranges, , Berry's 274 Comment
  RSA520552  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 83 Humboldt Between Weitchpec and Orleans on Bluff Creek Road, 4.6 miles (7.4) west of highway 96. Comment
  POM319490  Disporum smithii Patricia Wilder 1968-8-22 4424 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  RSA367637  Disporum smithii Anstruther Davidson 1927-5-27 114 Humboldt Redwood Hwy, Orick. Comment
  RSA46481  Dodecatheon hendersonii Doris K. Kildale 1927-3-20 2908 Humboldt Phillipsville Comment
  HSC17861  Dodecatheon hendersonii R. A. Rasp 1964-4-5 26 Humboldt 5 mi. N of Hoopa on Willow Creek Rd. Comment
  HSC17876  Dodecatheon hendersonii J. Wendell Howe 1932-4-10 Humboldt Lord Ellis Rd. E of Korbel (20 mi. E) Comment
  HSC57990  Draba howellii G. L. Clifton, Terry Griswold 1979-7-31 11738 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58200  Draperia systyla Walter Overton 1979-8-1 12303 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  RSA0011668  Drosera rotundifolia C. B. Wolf 1934-7-2 5897 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC1198847  Drosera rotundifolia Joseph P. Tracy 1924-7-4 6710 Humboldt Snow Camp Meadow Northern Coast Ranges 1371 Comment
  UCSB26681  Drosera rotundifolia Havlik, Neil 1968-8-21 Humboldt South end of Big Lagoon; north of Trinidad Comment
  HSC103070  Drymocallis glandulosa var. reflexa Sydney Carothers 2014-6-11 1 Humboldt Six Rivers National Forest, Lassics Botanical Area; south face Mt. Lassic, along trail to summit 1772 Comment
  UC1198689  Drymocallis glandulosa var. wrangelliana Joseph P. Tracy 1933-5-14 12172 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, Willow Creek 152 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
  RSA693562  Dryopteris expansa Anstruther Davidson 1923-8-11 s.n. Humboldt Redwood Forest Comment
  CAS-BOT-BC197062  Echinochloa crus-galli Henry M. Pollard 1945-8-24 s.n. Humboldt Near Harley place Comment
  NY242008  Elatine rubella A. Tiehm 1987-8-3 11474 Humboldt Pine Forest Range, Onion Creek Reservoir northwest of Blue Lake and Duffer Peak at the north end of the range. 2151.9 Comment
Read comments
Feb 25 2012
  UC666881  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow's Prairie; dried bed of pond 60 Comment
  UC666920  Eleocharis bella Joseph P. Tracy 1935-7-17 14108 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC7317  Eleocharis macrostachya J. Good 1964-5-15 44 Humboldt Mad River Park, 50 yds. N of parking lot Comment
  UC1103667  Eleocharis pachycarpa Joseph P. Tracy 1931-6-7 9560 Humboldt Trinidad 60 Comment
  BLMAR37  Elymus Brad Barr 37 Humboldt King range Comment
  HSC98801  Elymus elongatus Cara Witte 2007-7-12 519 Humboldt Along Forest Service Road 5N10. 1.25 miles south of intersection with 5N41. 1283 Comment
  CAS-BOT-BC227347  Elymus elymoides Joseph P. Tracy 1930-7-16 8955 Humboldt South Fork Mountain; along summit near Blake Lookout 1706 Comment
  HSC103095  Elymus elymoides subsp. californicus Sydney Carothers 2014-7-3 19 Humboldt Six Rivers National Forest, Lassics Botanical Area, Mt. Lassic, upper north slope 1775 Comment
  HSC58629  Elymus elymoides var. elymoides Overton, Butler 1979-7-31 11482 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC65112  Elymus glaucus J. P. Smith, Steve Selva 1970-6-14 3847 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC552757  Elymus glaucus subsp. jepsonii Joseph P. Tracy 1934-7-9 13336 Humboldt ridge near Harris; North Coast Ranges 762 Comment
  CAS-BOT-BC203799  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8213 Humboldt Stone Lagoon 6 Comment
  HSC98130  Elymus hispidus Cara Witte 2007-6-28 387 Humboldt Forest Service Road 5N10. 1293 Comment
  POM225535  Epilobium brachycarpum P. A. Munz 1936-8-10 14337 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  UC198622  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4854 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes of mt.) 914 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
  CDA38081  Epilobium ciliatum T. C. Fuller 1958-6-17 17 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  UC198608  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-8-20 4753 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC49649  Epilobium ciliatum subsp. ciliatum J. P. Smith 1971-10-9 5031 Humboldt Mad River above the Fish Hatchery. Comment
  JEPS39330  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt 4 mi above river mouth (i.e., near Weott); Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC583078  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-10 14340 Humboldt 15 mi e Bridgeville; Little Van Duzen River Comment
  HSC103288  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-13 Humboldt Six Rivers National Forest, Board Camp Mountain Quad, Lower Trinity District, Board Camp Mtn. Road. 1381 Comment
  POM89782  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1919-9-18 5225 Humboldt Northern Coast Ranges: Trinity Summit 1890 Comment
  HSC16349  Epilobium ciliatum subsp. watsonii W. F. Nickel 1965-5-8 Humboldt On HSU campus behind the Biological Science Building Comment
  HSC54670  Epilobium foliosum Overton, Butler 1979-7-25 9908 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  SEINET200781  Epilobium foliosum Joseph P. Tracy 1930-6-21 8786 Humboldt Northern Coast Ranges; Larrabee Valley 701 Comment
  POM160843  Epilobium hallianum Joseph P. Tracy 1923-5-13 6204 Humboldt North Coast Ranges: Bridgeville. 229 Comment
  UC144091  Epilobium hallianum Joseph P. Tracy 1908-6 2753 Humboldt near pond above mouth of Little Van Duzen (nw slope of mt.); Northern Coast Ranges, Buck Mountain 762 Comment
  UC505115  Epilobium hallianum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8977 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in meadow) 1676 Comment
  HSC55085  Epilobium hornemannii G. L. Clifton, Griswold 1979-7-31 11749 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC98676  Epilobium hornemannii subsp. hornemannii Cara Witte 2007-6-21 324 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  HSC39234  Epilobium minutum D. E. Anderson, J. P. Smith 1971-7-6 - 1273 Humboldt Horse Mtn. Comment
  HSC73789  Epilobium minutum Gail Newton 1980-6-28 704 Humboldt Near Mad River Butte. 1536 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
  RSA21093  Epilobium minutum Carl B. Wolf 1937-6-14 8821 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  HSC53953  Epilobium oreganum Terry Griswold, Marvin Butler 1979-7-11 7003 Humboldt Near Snow Camp Lake, close to the town of Willow Creek 1393 Comment
  HSC74202  Epilobium oregonense M. A. Baker 1980-7-22 3094 Humboldt Near Grogan Hole. 1676 Comment
  HSC16559  Epilobium septentrionale C. B. Wolf 1927-8-30 1234 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC725499  Epipactis gigantea A. A. Heller 1923-7-10 13790 Humboldt river between Scotia and Pepperwood; Eel River Comment
  CAS-BOT-BC56970  Equisetum arvense Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  HSC99646  Equisetum laevigatum R. W. Becking 1984-4-3 Humboldt Samoa, N Spit, US Coast Guard dunes 3 Comment
  HSC70639  Equisetum telmateia subsp. braunii R. York 1980-5-18 594 Humboldt Near Black Mtn 792 Comment
  HSC95578  Equisetum telmateia subsp. braunii Andrea Pickart 2002-3-31 23 Humboldt Arcata Marsh, Dan Hauser Marsh 0 Comment
  UC526938  Equisetum telmateia subsp. braunii Joseph P. Tracy 1934-6-28 13268 Humboldt by Salmon Creek Northern Coast Ranges 9 Comment
  RSA239690  Equisetum telmateia var. braunii Larry E. DeBuhr 1973-4-23 986 Humboldt Richardson Grove Redwood State Park. Comment
  RSA684699  Equisetum telmateia var. braunii N. R. Zabriskie, W. M. Zabriskie 1968-8-22 153 Humboldt Along road to Cap Mendocino. Comment
  RSA44367  Eragrostis mexicana subsp. virescens Henry M. Pollard 1947-8-7 1949 Humboldt Klamath River sandbar near Orleans Comment
  CAS-BOT-BC284097  Eragrostis pectinacea var. pectinacea Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  UC535715  Eremocarpus setiger Eleanor Armstrong 1934-7-18 1129 Humboldt Richardson Grove 121 Comment
  HSC102066  Eremogone congesta var. congesta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 968 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC57993  Eremogone congesta var. suffrutescens G. L. Clifton, Griswold 1979-7-31 11754 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  POM126125  Ericameria arborescens subsp. arborescens Joseph P. Tracy 1924-8-24 6827 Humboldt Trinity River Valley, near Willow Creek 183 Comment
  UC1792475  Erigeron Thomas W. Nelson, Sydney Carothers 2004-6-18 9253 Humboldt Board Camp Mountain Road 49N38 1 mile from junction with Forest Service Road 1. 1481 Comment
  HSC35600  Erigeron foliosus var. confinis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2011 Humboldt Bald Hills Rd., just W of French Camp. Comment
  CAS-BOT-BC296121  Erigeron foliosus var. confinis Alice Eastwood; John Thomas Howell 1937-6-24 4870 Humboldt Gambi's Comment
  RSA47129  Erigeron foliosus var. mendocinus Doris K. Kildale 1925-7-19 1046 Humboldt Bridgeville Comment
  POM289039  Erigeron glaucus Lyman Benson 1929-7-19 1850 Humboldt Mouth of Matole River. Comment
  CAS-BOT-BC308846  Erigeron glaucus A. A. Heller 1937-6-12 15915 Humboldt Trinidad on the coast near the Whaling Station, foot of the grade leading up to the lighthouse on Trinidad Head Comment
  CAS-BOT-BC308848  Erigeron glaucus Doris K. Kildale 1926-5-15 1975 Humboldt Fleener Creek Comment
  HSC5562  Erigeron inornatus var. inornatus M. H Manning 1901-7-25 311 Humboldt Bald Hill near Hoopa Comment
  CHSC324  Erigeron philadelphicus A. Small 1954-6-7 Humboldt 1/2 mi. s. of Capetown. 60 Comment
  UC31516  Erigeron philadelphicus var. philadelphicus Hy Melde 1896-2-21 Humboldt Eureka Comment
  HSC81654  Erigeron robustior Thomas W. Nelson, Jane P. Nelson 1980-7-13 6056 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  CHSC69503  Eriogonum latifolium Vernon Oswald; Lowell Ahart 1997-9-4 8853 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.1 mi south of Hwy. 255. 6 Comment
  HSC26656  Eriogonum latifolium J. P. Smith 1971-10-6 4938 Humboldt End of Murray Rd. in McKinleyville. Comment
  LA206934  Eriogonum latifolium Carl Epling; Mrs. Epling 1935-8-15 sn Humboldt Arcata Spit Comment
  POM165314  Eriogonum latifolium L. R. Abrams 1916-7-18 6087 Humboldt Arcata to Trinidad. Comment
  UC6341  Eriogonum latifolium Harley P. Chandler May, 1901 1205 Humboldt Humboldt Bay 3 Comment
  HSC17298  Eriogonum latifolium D. E. Anderson 1961-9-22 1829 Humboldt Comment
  UC1222342  Eriogonum latifolium Joseph P. Tracy June 1950 18762 Humboldt near Petrolia (roadside, e slope of Domingo Hill, between town and Ocean); Domingo Hill Comment
  UC203954  Eriogonum latifolium Joseph P. Tracy 1918-7-1 4974 Humboldt 3 mi s Point of the Cape; Cape Mendocino 3 Comment
  CAS-BOT-BC259528  Eriogonum luteolum var. luteolum Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  HSC99501  Eriogonum nudum var. nudum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 161 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  RSA178577  Eriogonum nudum var. nudum Joseph P. Tracy 1950-06 18762 Humboldt At Domingo Hill (east slope from the summit). Near Petrolia; hills between town and ocean Comment
  UC176685  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1912-7-21 3761 Humboldt Alton Norther Coast Ranges, Alton 30 Comment
  UC176714  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1912-7-21 3757 Humboldt Alton 30 Comment
  CAS-BOT-BC269867  Eriogonum nudum var. pubiflorum Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek - near Orleans Comment
  CAS-BOT-BC267967  Eriogonum umbellatum var. argus Doris K. Kildale 1925-8-16 1219 Humboldt Trinity Summit 1917 Comment
  HSC43082  Eriogonum umbellatum var. argus Brad Klipfel 1973-8-3 305 Humboldt N Trinity Mtn. 1860 Comment
  UC146157  Eriogonum umbellatum var. goodmanii Joseph P. Tracy 1908-6 2918 Humboldt nw slope of Buck Mountain Northern Coast Ranges, Buck Mountain 1219 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
  CAS-BOT-BC301014  Eriophyllum lanatum var. achilleoides L. B. Kildale 1930-8-3 10347 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  UC176464  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1913-7-25 4338 Humboldt Dinsmore Ranch opposite Buck Mountain; Northern Coast Ranges, Van Dusen River Valley 762 Comment
  HSC79441  Eriophyllum lanatum var. arachnoideum Kenneth Clark 1980-6-14 671 Humboldt Western slope of Dead Man's Gulch 145 Comment
  HSC44134  Eriophyllum lanatum var. grandiflorum Thomas W. Nelson, Jane P. Nelson 1977-7-4 3578 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  UC176874  Erodium cicutarium Joseph P. Tracy 1912-6-9 3675 Humboldt Alton Northern Coast Region 30 Comment
  UC673190  Erysimum capitatum Lincoln Constance and Reed C. Rollins 1942-5-12 2879 Humboldt 1 mi s Bluff Creek (5 mi ne of Weitchpec, road-cut); Klamath-Siskiyou region, Klamath River 121 Comment
  HSC44569  Erysimum capitatum var. capitatum Brad Klipfel 1973-7-15 187 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC6760  Erysimum capitatum var. capitatum Francis Winter 1960-4-24 Humboldt 2 mi. SE of Burnt Ranch, Hoopa Indian Reservation 381 Comment
  HSC76222  Erysimum capitatum var. capitatum Walter Overton, Marvin Butler 1979-7-24 9764 Humboldt Near Black Rock, close to the town of Willow Creek 1554 Comment
  HSC6786  Erysimum menziesii R. T. Forester 1963-4-23 9 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC57884  Erysimum perenne Walter Overton, Marvin Butler 1979-7-31 11428 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC1197640  Erythronium californicum J. P. Tracy 1908-6-7 2611 Humboldt in woods Butler Valley 152 Comment
  UC1134597  Erythronium revolutum R. Stahelin 1933-5-17 Humboldt Kneeland Prairie China Flat Quadrangle Comment
  UC146200  Erythronium revolutum Joseph P. Tracy 1908-6-9 2661 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC26879  Eschscholzia californica Clifton Raymond Chesbrough 1973-6-19 86 Humboldt 1/2 mi. S of Trinidad along the coast Comment
  HSC12348  Eschscholzia californica Steve Dorei 1970-10-20 111 Humboldt Along Plaza Ave., 200 ft. SW of Laurel Dr. Comment
  HSC44570  Eucephalus ledophyllus var. ledophyllus Brad Klipfel 1973-7-15 189 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS20486  Euchiton gymnocephalus Joseph P. Tracy 1936-5-29 14829 Humboldt 2 mi ne Orick (on Bold Hilla Road); Bold Hills Road 152 Comment
  CDA18072  Euchiton gymnocephalus R. Spadoni 1999-7-1 s.n. Humboldt Eureka. 0 Comment
  HSC49682  Euchiton sphaericus J. O. Sawyer 1977-7-1 2990 Humboldt Aikens campground. Comment
  CAS-BOT-BC310495  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  UC673083  Euchiton sphaericus Joseph P. Tracy 1940-8-11 16694 Humboldt near Raccoon Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC206915  Euonymus occidentalis Milo S. Baker 1923-7-25 113 Humboldt Salmon Cr. near Carlotta Comment
  SEINET10971171  Eupatorium occidentale Mary Susan Taylor 1980-6-11 Taylor 2844 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  SEINET11850490  Eupatorium occidentale J. P. Tracy 1950-1 19223 Humboldt Friday Ridge 1219 Comment
  UC1199301  Eurybia radulina Joseph P. Tracy 1930-9-14 9188 Humboldt Kneeland Prairie 762 Comment
  JEPS31918  Eurybia radulina Lincoln Constance 1934-6-19 911 Humboldt Grasshopper Peak (near summit) South fork Eel River, Grasshopper Peak 914 Comment
  HSC40335  Festuca californica Thomas W. Nelson, Jane P. Nelson 1976-6-16 2740 Humboldt W of Alder Springs along FS 2S07 1524 Comment
Read comments
Jul 23 2010
  CAS-BOT-BC278304  Festuca californica subsp. californica L. R. Abrams 1918-6-15 7126 Humboldt Brannan Mt near Willow Creek 1371 Comment
  RSA10106  Festuca californica var. californica Joseph P. Tracy 1926-5-30 7518 Humboldt Willow Creek Canyon. 610 Comment
  CAS-BOT-BC282499  Festuca elmeri Joseph P. Tracy; H. E. Parks 1934-6-27 11045 Humboldt Horse Mountain 1524 Comment
  CAS-BOT-BC278815  Festuca occidentalis C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC104038  Festuca occidentalis C. Reynolds 2015-3-21 26 Humboldt Willow Creek; At bend in Trinity River, on the east end of Kimtu beach, near Camp Kimtu 135 Comment
  HSC74468  Festuca occidentalis Gail Newton 1980-7-22 1705 Humboldt Near Devils Backbone 1545 Comment
  HSC74474  Festuca occidentalis Gail Newton 1980-7-23 1752 Humboldt Near Packsaddle Ridge 1463 Comment
  RSA256712  Festuca occidentalis D. E. Anderson 1972-6-20 5723 B Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  UC71030  Festuca occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5653 Humboldt Hoopa Mt. Comment
  UCD66133  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3473 Humboldt 4 miles north of Bridgeville. Comment
  HSC33723  Festuca rubra Dryden 1975-5-24 201 Humboldt Samoa Dunes, off Samoa Blvd. across from boat landing. Comment
  HSC9972  Festuca rubra H. E. Parks Jun 1935 11072 Humboldt Buck Mtn. Comment
  UC38554  Festuca rubra Schmidt Humboldt Humboldt Bay Comment
  UCD66390  Festuca rubra Collector Unknown 1951-6-18 Humboldt Near Hydesville. Comment
  UC1145204  Festuca subulata Joseph P. Tracy 1936-6-9 14903 Humboldt 4 mi se Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  SEINET10559491  Festuca subulata Joseph P. Tracy 1935-7-27 Tracy 14295 Humboldt Moist stream bank. Trinity summit. Open places at McKay Prairie. 1585 Comment
  UC38427  Festuca subuliflora J. P. Tracy May 1901 1184 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  RSA296728  Fragaria chiloensis J. P. Smith 1977-6-30 9205 Humboldt Samoa Peninsula just east of the drag strip. Comment
  CHSC24854  Fragaria vesca A. D. Launer 1976-4-10 1 Humboldt On n roadbank of Church St., ca. 100 yds e of Blocksburg. 472 Comment
  HSC73774  Fragaria vesca M. A. Baker 1980-6-7 1779 Humboldt Near Brush Mtn. 1128 Comment
  UCSB22388  Fragaria vesca Jensen, Karen 1965-4-14 Humboldt Trinidad State Park 15 Comment
  HSC44599  Fragaria virginiana Brad Klipfel 1973-6-10 105 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET9354429  Frangula purshiana Unknown 1965-9-30 Humboldt Kneeland Comment
  HSC65858  Fritillaria affinis Gail Newton 1980-6-28 710 Humboldt Near Mad River Butte. 1536 Comment
  UC1197633  Fritillaria affinis Joseph P. Tracy 1921-8-28 5946 Humboldt Guthrie Gulch; Northern Coast Ranges, Guthrie Gulch 121 Comment
  UC667120  Fritillaria purdyi Joseph P. Tracy 1927-5-22 8076 Humboldt Kneeland Prairie 822 Comment
  HSC16382  Fuchsia magellanica var. discolor T. M. Mingo May 1965 Humboldt About 3 mi. N of College Cove Comment
  HSC41592  Galium ambiguum subsp. siskiyouense Thomas W. Nelson, Jane P. Nelson 1977-7-1 3558 Humboldt Along ridge between Bear Creek and Blanket Creek 1494 Comment
  UC175731  Galium aparine Joseph P. Tracy 1913-6-20 4235 Humboldt lower foothills of nw slope of mt Northern Coast Ranges, Buck Mountain 762 Comment
  HSC57675  Galium bifolium G. L. Clifton, Griswold 1979-7-25 10875 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC1196089  Galium bolanderi Joseph P. Tracy 1933-7-9 12642 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC175782  Galium californicum subsp. californicum Joseph P. Tracy 1912-7-23 3805 Humboldt along river 5 mi above mouth; Northern Coast Ranges, South Fork Eel River 30 Comment
  JEPS52859  Galium californicum subsp. californicum Lauramay T. Dempster 1963-7-9 3849 Humboldt 4.4 mi s Bridgeville (on Hwy 36 to Dinsmore) 457 Comment
  SEINET10876857  Galium californicum subsp. californicum J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13009 Humboldt Leggett; Redwoods River Resort, 75000 Highway 101. Comment
  JEPS6697  Galium muricatum W. L. Jepson 1932-7-30 16454 Humboldt Bull Creek Comment
  UC176989  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt on river below Bridgeville; Northern Coast Ranges, Van Duzen River, Rogers Ranch 152 Comment
  HSC44516  Galium triflorum Brad Klipfel 1973-7-1 124 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC48679  Galium triflorum Brad Klipfel 1973-7-31 249 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1143113  Galium triflorum H. L. Person 1931-7-30 27 Humboldt Fieldbrook Eureka Quadrangle Comment
  HSC91914  Gamochaeta ustulata E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC56945  Garrya buxifolia Overton, Butler 1979-7-23 9435 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC49918  Garrya elliptica Maralyn O'Meara 1973-2-19 191 Humboldt McKinleyville, Murray Rd. Comment
  UC314603  Garrya elliptica Joseph P. Tracy 1925-8-14 7231 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region 6 Comment
  UC630637  Garrya elliptica Joseph P. Tracy 1939-3-19 16203 Humboldt near Blue Slide (on Van Duzen River, Root Grade); Van Duzen River 91 Comment
  HSC8404  Garrya fremontii C. B. Wolf 1927-8-28 1169 Humboldt Lord Ellis Rd. to Blue Lake, 9 mi. from Willow Creek, 2 mi. below grade summit Comment
  RSA21606  Garrya fremontii Carl B. Wolf 1937-8-13 9228 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  CDA38572  Garrya fremontii T. C. Fuller, T. Gallion 1959-7-23 2833 Humboldt Red Gap Road, 3 miles east of Hoopa. 0 Comment
  RSA44456  Gastridium phleoides Henry M. Pollard 1948-7-19 s.n. Humboldt Between Orleans and Van Fleet Comment
  CHSC27317  Gaultheria shallon T. B. Devine 1977-8-20 458 Humboldt Kneeland Road, 1 mi n of Kneeland. 548 Comment
  HSC100472  Gaultheria shallon Carl C. Marshall Mar 1886 143 Humboldt Everywhere. Comment
  HSC22506  Gaultheria shallon R. E. Hafenfeld 1965-5-9 4 Humboldt Jct. of County Rd. and Gold Bluff Beach Rd. Comment
  HSC41340  Gaultheria shallon Brad Klipfel 1974-9-7 560 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  LA41415  Gaultheria shallon C. B. Wolf; 1930-10-30 1787 Humboldt old Coast Road, 4 mi. S of Thorns 304 Comment
  SD51255  Gaultheria shallon Darley F. Howe 1961-8-1 3106 Humboldt 6.0 miles north of Trinidad on Highway 101. Comment
  UCD117455  Gaultheria shallon D. Sanchez-Mata 1996-6-28 s.n. Humboldt Blue Lake-Willow Creek. Lord-Ellis Summit. 560 Comment
  RSA303466  Gaultheria shallon Jim Shevock 1971-5-29 1140 Humboldt Trinity Hwy. 457 Comment
  SEINET11974899  Gaultheria shallon Unknown 1936-1 13376 Humboldt nr. Fieldsfandring Comment
  UC153983  Gentiana affinis var. ovata J. P. Tracy 1904-8-7 2139 Humboldt immediate vicinity Eureka (open grassy lands) 0 Comment
  RSA13517  Gentiana newberryi H. E. Parks 1931-07 1052 Humboldt Bishop Pine Lodge, Trinidad. 76 Comment
  CHSC115701  Gentiana sceptrum L. P. Janeway; B. Castro 2015-9-7 11855 Humboldt North Coast. Big Lagoon fen/bog; just off the southwest corner of Big Lagoon and draining into Big Lagoon. 3 Comment
  JEPS47022  Gentiana sceptrum Joseph P. Tracy 1924-8-3 6768 Humboldt Northern Coast Region, Big Lagoon Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  UC153980  Gentiana sceptrum J. P. Tracy 1900-8-26 930 Humboldt immediately vicinity Eureka 0 Comment
  RSA46721  Gentiana sceptrum Doris K. Kildale 1937-8-26 15344 Humboldt Christmas Prairie Comment
  UC1197401  Geranium carolinianum Joseph P. Tracy 1926-5-2 7421 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC45616  Geranium carolinianum Diane L. Reed 1978-5-7 46 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC179955  Geranium carolinianum Joseph P. Tracy 1914-5-14 4436 Humboldt Fort Seward Northern Coast Region 121 Comment
  UC668046  Geranium carolinianum Joseph P. Tracy 1933-7-9 12643 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC169882  Geranium molle Harley P. Chandler May 1901 1124 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC78961  Geranium molle L. P. Janeway, K. Berg 1984-4-11 724 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  HSC12777  Geranium retrorsum Jana Kattenhorn 1970-10-24 140 Humboldt Arcata, HSU campus, S of Harpst St. Comment
  CAS-BOT-BC457031  Geum macrophyllum Volney Rattan 1883-3-6 s.n. Humboldt Unspecified Comment
  HSC102926  Gilia M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 882 Humboldt Patterson Meadows 1566 Comment
  HSC16968  Gilia capitata H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  HSC32885  Gilia capitata Thomas W. Nelson, James Nelson 1973-5-28 937 Humboldt McKeown Ranch N of Dinsmore Comment
  JEPS69518  Gilia capitata subsp. capitata Joseph P. Tracy 1935-6-23 13995 Humboldt French Camp Ridge 1066 Comment
  HSC36617  Gilia capitata subsp. pacifica J. D. Ackerman 1974-5-25 266 Humboldt 0.25 mi. S of Lufenholtz Beach between Moonstone and Trinidad 6 Comment
  POM193010  Gilia capitata subsp. pacifica H. E. Parks, Joseph P. Tracy 1930-5-25 0793 Humboldt Near Bridgeville. Comment
  HSC37570  Glaux maritima J. D. Ackerman 1975-6-10 453 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC90248  Glehnia littoralis subsp. leiocarpa Jean Hanson 1980-5-24 63 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  HSC10000  Glyceria borealis D. J. Wilder 1965-4-28 21 Humboldt 1/2 mi. W of Arcata on Samoa Rd. Comment
  HSC10056  Glyceria declinata D. J. McVean 1965-5-18 79 Humboldt McDaniel's Slough next to Samoa Blvd., Arcata. Comment
  HSC10057  Glyceria declinata W. F. Cartwright 1965-5-20 80 Humboldt 5 mi. S of Arcata on Old Arcata Road Comment
  HSC10075  Glyceria declinata D. J. Wilder 1965-4-24 10 Humboldt In field where Little River crosses U.S. 101 Comment
  HSC58552  Glyceria elata Overton, Butler 1979-7-24 9814 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC75278  Glyceria elata J. O. Sawyer, D. A. Thornburgh 1980-9-9 4077 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC98589  Glyceria elata Cara Witte 2008-7-16 904 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile S of intersection with National Forest 1. 1409 Comment
  UC183531  Glyceria elata Joseph P. Tracy 1908-6 2770 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  SEINET11849414  Gnaphalium microcephalum var. thermale J. P. Tracy 1948-1 18184 Humboldt near Elk Camp on Grizzly Camp Road, Trinity Summit, on ridge 2 mi E of Grove's Prairie 1524 Comment
  HSC40378  Gnaphalium palustre Linda M. Barker 1976-8-2 1673 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  JEPS34040  Gnaphalium palustre W. L. Jepson 1936-8-17 17919 a Humboldt 2 mi s of Field's Landing (near Still's Ranch, marsh) Comment
  POM358894  Gnaphalium palustre H. E. Parks, S. T. Parks 1937-08 24080 Humboldt Spruce Cove, Trinidad. Comment
  CAS-BOT-BC304739  Grindelia hirsutula Joseph P. Tracy 1939-8-6 16397 Humboldt Shore of Big Lagoon 3 Comment
  CAS-BOT-BC304759  Grindelia hirsutula Roxana S. Ferris 1937-8-21 9388 Humboldt Shelter Cove Comment
  CAS-BOT-BC304764  Grindelia hirsutula Kenneth Clark 1980-5-10 655 Humboldt Shelter Cove. South-facing bluffs of Point Delgada 7 Comment
  HSC25397  Grindelia hirsutula S. Dowty 1972-10-29 325 Humboldt Near county dump at edge of Humboldt Bay Comment
  HSC79172  Grindelia hirsutula C. K. Geldin-Meyers 1985-8-3 100 Humboldt Mosley Is., W end of Cannibal Is. Rd., mouth of the Eel River 3 Comment
  RSA18065  Grindelia stricta var. stricta C. B. Wolf 1927-8-22 783 Humboldt Big Lagoon. Comment
  SEINET11835909  Grindelia stricta var. stricta J. P. Tracy 1947-1 17944 Humboldt mouth of Eel River, S side, Camp Weeott 3 Comment
  JEPS55562  Hackelia micrantha Hilda Grinnell 1932-7-12 16 Humboldt slope below McKay Camp; South Fork Mountain Comment
  UC1223171  Helminthotheca echioides Joseph P. Tracy 1948-8-8 18098 Humboldt 2 mi w Bridgeville Comment
  HSC5820  Hemizonia congesta subsp. tracyi R. Spellenberg 1965-6-14 1129 Humboldt Kneeland Prairie, at Kneeland Airport 6 mi. SE of Kneeland Comment
  JEPS40410  Hemizonia congesta subsp. tracyi W. L. Jepson 1902-7-1 1975 Humboldt at Berry's Ranch Redwood Creek; Hupa road Comment
  UC127611  Hemizonia congesta subsp. tracyi Harley P. Chandler 1901-5-28 1245 Humboldt Tom Bair's North Coast Ranges, Redwood Creek 152 Comment
  POM228359  Hemizonia tracyi S. K. Harris 1936-6-20 s.n. Humboldt Above Van Duzen River about 1 mile west of Bridgeville Comment
  POM193009  Hemizonia tracyi H. E. Parks 1930-5-25 0880 Humboldt Near Bridgeville. Comment
  HSC76406  Heracleum maximum Denis Kearns 1981-7-23 428 Humboldt Near Whiteys Peak. 1524 Comment
  HSC78088  Hesperevax sparsiflora var. brevifolia L. P. Janeway, Amy Eisenberg 1984-4-25 747 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven roads, NE of the willow patch. 3 Comment
  UC169327  Heterocodon rariflorum Joseph P. Tracy 1911-7-5 3329 Humboldt near Willow Creek mouth (tributary of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  RSA47118  Heteromeles arbutifolia Doris K. Kildale 1926-6-13 s.n. Humboldt Bruceland Bridge Comment
Read comments
Jul 24 2020
  UC154509  Heteromeles arbutifolia P. E. Goddard 1901-7-9 48 Humboldt Hupa Comment
  CDA31699  Heterotheca oregona M. K. Beyers, I. Shepardson 2009-9-13 244 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  CDA39222  Heterotheca oregona D. Juliano 2013-8-1 PDR# 120 P06003641 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  CAS-BOT-BC311029  Heterotheca oregona var. compacta Joseph P. Tracy 1900-9-10 950 Humboldt Northern Coast Region. Near Hydesville 60 Comment
  RSA93319  Heterotheca oregona var. rudis F. W. Peirson 1926-7-13 7051 Humboldt Near Blue Lake, Mad River Comment
  UC1222391  Heuchera merriamii Joseph P. Tracy July 1935 14172 Humboldt summit near Rangers Lookout at head of Croghan Hole; Trinity Summit 1828 Comment
  HSC40008  Heuchera micrantha Thomas W. Nelson, Jane P. Nelson 1976-7-1 2904 Humboldt Along ridge N of Bear Creek. 1463 Comment
  UC1198860  Heuchera micrantha Joseph P. Tracy 1911-6-4 3228 Humboldt along Little River (5 mi from the coast); Northern Coast Region 121 Comment
  BLMAR317  Heuchera micrantha Jennifer Anthony-Wheeler 2002-8-9 317 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  HSC55746  Heuchera rubescens G. L. Clifton, Griswold 1979-7-26 10269 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC57002  Hieracium albiflorum Overton, Butler 1979-7-24 9588 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  HSC67473  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3834 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  CHSC23327  Hippuris vulgaris Robert F. Thorne; P. Everett 1965-8-9 35344 Humboldt Along Hwy. 101 about 3 mi. N of Eureka; in shallow water ca. 1 ft. of ditch along roadside. 1 Comment
  HSC6594  Hirschfeldia incana P. W. Shields 1955-9-29 Humboldt 0.5 mi. S of Fernbridge Comment
  HSC89550  Holcus lanatus M. Roantree 1985-5-7 42 Humboldt SW side of Trinidad Head, along trail Comment
  POM291100  Holcus lanatus Lyman Benson 1929-7-14 1797 Humboldt Weott Ranger Station, South Fork Eel River. Comment
  UC38605  Holcus lanatus Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5558 Humboldt Scotia Comment
  UCD84884  Holcus mollis R. N. Raynor 1935-6-7 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC149909  Holodiscus discolor C. C. Harris; S. K. Harris 1936-6-9 329 Humboldt Behind Mrs. Wilder's, Carlotta Comment
  HSC58004  Holodiscus discolor G. L. Clifton, Griswold 1979-7-31 11789 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58138  Holodiscus discolor Gilbert Muth 1979-8-1 12156 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  RSA183590  Holodiscus discolor D. E. Anderson 1963-9-1 2806 Humboldt Near Kneeland. 732 Comment
  UC1132099  Hordeum brachyantherum subsp. brachyantherum H. S. Yates 1936-2-16 5680 Humboldt 1 mi ne Samoa; Eureka Quad. Comment
  UC187305  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1911-7-7 3392 Humboldt three mi nw of junction of Willow Creek with Trinity River (near Beese's Ranch); Northern Coast Ranges, Trinity River 914 Comment
  UC526707  Hordeum jubatum Joseph P. Tracy 1927-7-16 8249 Humboldt mouth Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay region, Elk River 3 Comment
  UC34063  Hordeum marinum subsp. gussoneanum J. P. Tracy 1901-6-16 1144 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  UC526706  Hordeum murinum subsp. leporinum Joseph P. Tracy 1925-5-17 6978 Humboldt Willow Creek Northern Coast Ranges, , Willow Creek (Trinity River Valley) 152 Comment
  HSC10204  Hordeum murinum subsp. leporinum R. D. Modafferi 1965-5-13 100 Humboldt Intersection of Main St. and old Hwy. 101, S of Trinidad Comment
  HSC37573  Hordeum vulgare J. D. Ackerman 1975-6-10 460 Humboldt 1 mi. N of Samoa Blvd. and Samoa bridge turnoff intersection. S of Manila. Comment
  JEPS44517  Horkelia sericata Harley P. Chandler 1901-6-1 1543 Humboldt between Sommes Bar Jims Ranch; North Coast Ranges, Klamath River 426 Comment
  HSC23680  Horkelia tridentata var. flavescens D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5054 Humboldt ca. 6 miles W of Hoopa, along road from Redwood Creek to Hoopa Comment
  HSC69766  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson 1977-9-3 3732 Humboldt Along old logging rd. just E of Pine Mtn. 1433 Comment
  JEPS14235  Hydrocotyle ranunculoides Joseph P. Tracy 1934-7-2 13288 Humboldt mouth of Little R. 3 Comment
  UCSB22187  Hydrocotyle ranunculoides Keefe, Joseph 1967-7-8 Humboldt East side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka 6 Comment
  HSC100496  Hydrophyllum occidentale Carl C. Marshall Jun 1885 7 Humboldt Lower Mad River. Comment
  JEPS1645  Hydrophyllum occidentale Joseph P. Tracy 1935-7-16 13955 Humboldt lower foothills nw slope Buck Mountain 792 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  UC562602  Hydrophyllum tenuipes Joseph P. Tracy 1924-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  UC1137469  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
Read comments
Sep 12 2009
  UC164814  Hypochaeris glabra J. P. Tracy 1903-8-9 1947 Humboldt Eureka 0 Comment
  HSC37940  Hypochaeris radicata Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  UC1199471  Hypochaeris radicata Joseph P. Tracy 1921-7-10 5847 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC204743  Hypochaeris radicata Joseph P. Tracy 1918-7-5 5022 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC40958  Hypochaeris radicata Linda M. Barker 1976-9-3 1692 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. 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
  SEINET200732  Ipomopsis aggregata J. P. Tracy 1932-7-12 10440 Humboldt Trinity summit at Corral Prairie 1585 Comment
  RSA46818  Ipomopsis aggregata subsp. formosissima Doris K. Kildale 1925-2-15 1157 Humboldt Trinity Summit. Comment
  HSC32386  Iris douglasiana Linda M. Barker 1974-5-11 184 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  SEINET12051377  Iris tenax subsp. klamathensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -314 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC44321  Iris tenuissima Brad Klipfel 1975-6-17 668 Humboldt Horse Mtn. Comment
  HSC49284  Iris tenuissima J. O. Sawyer 1977-4-23 2839 Humboldt On road to Fish Lake Comment
  RSA135920  Iris tenuissima Lee W. Lenz, E. K. Balls 1955-5-15 20734 Humboldt 15.8 miles southeast along U.S. Highway 299 from Willow Creek, towards Arcata 579 Comment
  UC1173727  Isatis tinctoria Joseph P. Tracy 1939-4-29 16239 Humboldt Klamath River at mouth of Slate Creek; Klamath River, Slate Creek 121 Comment
  SEINET200597 Image available Isoetes J. P. Tracy 1935-5-25 13842 Humboldt Fort Seward 107 Comment
  RSA340075  Juncus breweri Harold Lint 1964-4-1 C- 306 Humboldt Dry Lagoon State Park, Highway 101. Comment
  HSC13995  Juncus bufonius D. E. Anderson 1961-9-9 1786 Humboldt Along Hwy. 101 Comment
  RSA246802  Juncus bufonius Robert F. Thorne, Percy C. Everett 1965-8-7 35229 Humboldt Samoa Peninsula. 3 Comment
  CHSC19493  Juncus bufonius var. bufonius Norman Dennis 1965-6-19 128 Humboldt About 1/4 mile south and 1 mile east of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles southeast of Kneeland. 792 Comment
  HSC96585  Juncus bufonius var. bufonius Gordon Leppig 1998-8-23 1069 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC45438  Juncus covillei Thomas W. Nelson, Jane Nelson 1978-7-2 4403 Humboldt Along margin of Lost Lake 1433 Comment
  UC1103048  Juncus covillei var. obtusatus Joseph P. Tracy 1918-7-5 5000 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UCD141493  Juncus effusus K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 609 Comment
  HSC71730  Juncus effusus subsp. pacificus M. A. Baker 1980-6-26 2450 Humboldt Near Sims Creek 610 Comment
  BLMAR316  Juncus effusus subsp. pacificus Jennifer Anthony-Wheeler 2002-8-6 316 Humboldt King range, grwong at mattole beach behind dune 6 Comment
  POM126146  Juncus ensifolius Joseph P. Tracy 1924-7-13 6732 Humboldt Big Lagoon. 6 Comment
  POM312824  Juncus ensifolius Malcolm A. Nobs, S. Galen Smith 1949-8-3 1199 Humboldt Southern outskirts of Eureka Comment
  UC1152094  Juncus ensifolius Joseph P. Tracy 1950-7-16 8980 Humboldt near McKay Camp (close to Trinity County line); South Fork Mountain 1676 Comment
  JEPS79913  Juncus falcatus var. falcatus Joseph P. Tracy 1925-10-18 7290 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  HSC23804  Juncus lescurii Tim Baroni 1971-6-26 69 Humboldt Out the Samoa Peninsula just opposite the Georgia Pacific pulp mill Comment
  HSC102215  Juncus mertensianus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1131 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC14075  Juncus oxymeris D. E. Anderson 1965-9-5 4089 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC213333  Juncus parryi Joseph P. Tracy 1919-9-22 5272 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  HSC99032  Juncus patens Cara Witte 2008-7-14 896 Humboldt Cold Spring. 0.5 mi. S of Titlow Hill. 1440 Comment
  UC1152148  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-7-24 16086 Humboldt corner of Pacific and A Streets Eureka Comment
  HSC98709  Keckiella lemmonii Cara Witte 2007-7-27 605 Humboldt Forest Service Road 4N32. 1.5 mile N of intersection with Forest Service Road 4N32B. 1585 Comment
  RSA246668  Kickxia elatine Robert F. Thorne, Percy C. Everett 1965-8-8 35262 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  CHSC79872  Kniphofia uvaria Gordon Leppig; Sylvia Leppig 2000-4-9 1287 Humboldt Arcata Marsh and Wildlife Refuge, South east corner of Klopp Lake dike, UTM zone 10, 4524N, 407E. 0 Comment
  UC1132146  Koeleria macrantha H. S. Yates 1936-6-17 5699 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad., lower nw slope Buck Mountain Comment
  CAS-BOT-BC499191  Kopsiopsis strobilacea C. Young 1967-5-15 s.n. Humboldt Orleans Comment
  UC1239535  Lactuca serriola Joseph P. Tracy 1934-8-14 13577 Humboldt Holmes Flat North Coast Ranges, Holmes Flat 60 Comment
  JEPS40365  Lagophylla ramosissima Lincoln Constance 1934-5-29 729 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  RSA18146  Lapsana communis C. B. Wolf 1927-8-22 801 Humboldt Big Lagoon. Comment
  RSA94807  Lapsana communis F. W. Peirson 1926-7-12 7040 Humboldt Redwood Creek, Orick. Comment
  SEINET11811250  Lapsana communis J. P. Tracy 1950-1 19275 Humboldt 1 mi W of lower end of Croghan Hole, Trinity Summit Comment
  RSA167198  Lasthenia californica Joseph P. Tracy 1942-5-16 17357 Humboldt Near Garberville, on road to Harris, ! mile NE of town. 305 Comment
  HSC26469  Lasthenia maritima T. O. Osborne 1970-5-17 20 Humboldt Sugarloaf Rock, Cape Mendocino 46 Comment
  CHSC71616  Lathyrus biflorus Kenneth W. Fuller 1998-7-2 Humboldt Collected on Red Mountain. Comment
  JEPS55279  Lathyrus latifolius W. L. Jepson 1932-7-30 16464 Humboldt Scotia Comment
  UCD106361  Lathyrus latifolius W. A. Williams 1951-6-15 s.n. Humboldt 20 mi. E. Willow Creek. Comment
  POM72742  Lathyrus littoralis P. A. Munz 1925-6-21 9892 Humboldt Clam Beach, 14 miles N of Eureka. Comment
  SBBG3353  Lathyrus littoralis H. and M. Dearing 1939-5-25 3435 Humboldt near Samoa Comment
  UC1199081  Lathyrus littoralis Joseph P. Tracy 1933-5-20 12223 Humboldt Cape Mendocino 6 Comment
  UC494114  Lathyrus littoralis H. E. Parks 1930-5-24 798 Humboldt Little River Lagoon Comment
  RSA165870  Lathyrus littoralis P. A. Munz 1963-6-13 24525 Humboldt Coastal Strand at Sammoa. Comment
  UC162839  Lathyrus littoralis Joseph P. Tracy 1906-5-13 2451 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  HSC82184  Lathyrus nevadensis var. nevadensis Thomas W. Nelson 1977-6-15 3440 Humboldt Along old road to ski area 1372 Comment
  BLMAR671  Lathyrus nevadensis var. nevadensis Jennifer Wheeler 2013-6-3 671 Humboldt Lacks Creek, West side near broom at end of road 701 Comment
  HSC18847  Lathyrus sphaericus Cherry Kline 1971-5-31 45 Humboldt 1.5 mi. NW of Petrolia on side of Mattole Rd. Comment
  UC709410  Lathyrus torreyi Joseph P. Tracy 1939-7-9 16338 Humboldt Snow Camp 1402 Comment
  RSA168908  Lathyrus torreyi Joseph P. Tracy 1942-6-28 17272 Humboldt On Murphy Ridge beyond the meadows. Comment
  UC175635  Lathyrus vestitus Joseph P. Tracy 1913-6-26 4352 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC931760  Lathyrus vestitus C. L. Hitchcock 1949-6-8 19087 Humboldt 1 mi se Willow Creek (along Highway 299) Comment
  UC931763  Lathyrus vestitus C. L. Hitchcock 1949-6-7 19081 Humboldt ca 15 mi n Garberville (Redwood Highway) Comment
  RSA88215  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1948-6-7 19085 Humboldt Ca 15 mi les east of Blue Lake, along Highway #299. Comment
  HSC103352  Lathyrus vestitus var. ochropetalus Thomas W. Nelson, Jane Nelson 1983-6-12 7407 Humboldt Along Kneeland Rd., ~ .5 mi. SE of junction with Maple Creek Rd. 671 Comment
  CAS-BOT-BC321697  Layia gaillardioides Joseph P. Tracy 1936-6-9 14875 Humboldt Bear River Ridge 609 Comment
  SEINET3374979 Image available Lemna minor Joseph P. Tracy 1932-8-21 10370 Humboldt Three Cabins Ranch; on E side of Mad River on W slope of Chaparral Mt. 457 Comment
  UC1103516  Lemna minuscula Joseph P. Tracy 1919-9-14 5212 Humboldt opposite Willow Creek (Lack Pond on Trinity River); Northern Coast Ranges, Trinity River, Lack Pond 152 Comment
  RSA170231  Lepidium heterophyllum Joseph P. Tracy 1942-6-15 17140 Humboldt Miranda. 91 Comment
  CAS-BOT-BC12701  Lepidium oblongum Volney Rattan 1879-1-1 s.n. Humboldt Unspecified. Comment
  UC1116218  Lepidium strictum Joseph P. Tracy 1946-5-30 17540 Humboldt vicinity Carlotta 30 Comment
  UC195426  Lepidium virginicum Joseph P. Tracy 1915-9-12 4670 Humboldt opposite Laribee Creek; Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC1005671  Leptodactylon pungens Frank W. Gould 1939-5-30 823 Humboldt about 25 mi due e Eureka (top of Horse Mountain); top of Horse Mountain 1200 Comment
  POM203230  Leptosiphon acicularis M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles N of Garberville Comment
  HSC71033  Leptosiphon bicolor Thomas W. Nelson 1977-4-20 3325 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  HSC96226  Leptosiphon bolanderi J. McIntire, S. Lyon 2005-6-24 16 Humboldt FS NF1 1375 Comment
  HSC32510  Lessingia nemaclada Thomas W. Nelson 1973-9-3 1137 Humboldt E of Dinsmore beside Hwy. 36 Comment
  HSC71378  Leucanthemum vulgare J. P. Smith 1971-10-6 4949 Humboldt End of Murray Rd. in McKinleyville. Comment
  SEINET4889187 Image available Leucanthemum vulgare H. E. Parks, S. T. Parks August 1943 24257 Humboldt Spruce Cove, Trinidad 60 Comment
  UC1199275  Leucanthemum vulgare Joseph P. Tracy 1918-7-21 5080 Humboldt around Humboldt Bay; Humboldt Hill 152 Comment
  UC31060  Leucanthemum vulgare Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5551 Humboldt Scotia Comment
  HSC12543  Leucanthemum vulgare C. Kline 1970-10-26 40 Humboldt W end of School Rd., McKinleyville, above Mad River. Comment
  HSC5358  Leucanthemum vulgare John A. Dubois 1962-5-23 19 Humboldt 20 mi. E of Arcata. Comment
  HSC102512  Lewisia triphylla M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1498 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC926380  Leymus X vancouverensis A. S. Hitchcock 1915-7-13 1506 Humboldt sand dunes near Samoa; Eureka Comment
  CDA32456  Leymus X vancouverensis Co Hort. Comm 1930-10-1 s.n. Humboldt letter in files -- not found 0 Comment
  UC526800  Leymus triticoides Joseph P. Tracy 1929-6-3 8601 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS17506  Ligusticum apiifolium W. L. Jepson 1902-6-30 1959 Humboldt on Hupa Rd. Redwook Creek Comment
  UC154089  Lilaeopsis occidentalis Joseph P. Tracy 1909-9-19 3102 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 0 Comment
  UC205462  Lilaeopsis occidentalis Joseph P. Tracy 1920-8-29 5391 Humboldt mouth of Little R.; Northern Coast Ranges 6 Comment
  UC642325  Lilaeopsis occidentalis Joseph P. Tracy 1934-7-2 13289 Humboldt mouth of Little R. 3 Comment
  HSC65840  Lilium bolanderi Gail Newton 1980-6-16 161 Humboldt Near Monks Camp. 1097 Comment
  CAS-BOT-BC508392  Lilium columbianum Doris K. Kildale 1927-7-10 3739 Humboldt Gans Prairie, Bald Hills Road Comment
  CAS-BOT-BC508395  Lilium columbianum John Thomas Howell 1931-6-17 6721 Humboldt Redwood Highway 18 miles north of Arcata Comment
  CAS-BOT-BC508403  Lilium columbianum A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt A few miles north of Arcata Comment
  CAS-BOT-BC130647  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  RSA130331  Lilium kelloggii Albert M. Vollmer, L. Beane 1953-07 119 Humboldt Freshwater Comment
  UC1334273  Lilium kelloggii Albert M. Vollmer and Ira L. Wiggins 1940-7-4 6 Humboldt 15 mi. w. Weitchpec (on burned-over ridge on Orick-Weitchpec rd.) 944 Comment
  SEINET3992036  Lilium occidentale Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-1 Humboldt Comment
  CAS-BOT-BC130730  Lilium pardalinum Volney Rattan 1878-6-16 s.n. Humboldt Arcata Comment
  HSC57911  Lilium pardalinum subsp. pardalinum Gilbert Muth 1979-7-31 11520 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  CAS-BOT-BC132965  Lilium rubescens Volney Rattan 1867-6-1 s.n. Humboldt Coast Range Comment
  CAS-BOT-BC133013  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-7-2 969 Humboldt Bug Creek, Buttes 1219 Comment
  UC13797  Lilium washingtonianum subsp. purpurascens Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  RSA21090  Limnanthes douglasii subsp. nivea Carl B. Wolf 1937-6-14 8818 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  HSC43106  Limnanthes douglasii subsp. nivea Maralyn O'Meara 1974-5-14 359 Humboldt Along Hwy. 36, 7.1 mi. E of Bridgeville Comment
  CDA33609  Limnobium laevigatum David Juliano 2010-9-7 PDR# 1414284 Humboldt Loleta; Catfish Lake (a stream-fed natural pond), near Tompkins Hill Road and Hookton Road 0 Comment
  HSC90320  Limonium californicum Jean Hanson 1980-6-22 102 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  UC906752  Linanthus acicularis Joseph P. Tracy 1947-5-10 17680 Humboldt near Briceland 457 Comment
  UC1198596  Linanthus androsaceus Joseph P. Tracy 1927-6-12 8168 Humboldt Horse Mountain Northern Coast Ranges 1066 Comment
  UC702549  Linanthus androsaceus C. C. and S. K. Harris 1942-6-17 1272 Humboldt 1 mi n and 3 mi e Chalk 665 Comment
  UC1198572  Linanthus bicolor Joseph P. Tracy 1906-5-6 2437 Humboldt near Hydesville; Wolverton Gulch 60 Comment
  HSC98065  Linnaea borealis Cara Witte 2007-7-12 523 Humboldt Forest Service Road 5N10C. Approximately 1 mile south for intersection with Ammon Ridge Road. 1252 Comment
  HSC72632  Linnaea borealis subsp. longiflora J. P. Smith 1977-7-3 9251 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  HSC76247  Linnaea borealis subsp. longiflora Teresa Prendusi 1981-7-7 122 Humboldt Near Slate Creek Butte. 1158 Comment
  RSA435732  Linum angustifolium J. P. Smith 1973-5-26 6828 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC48324  Linum bienne Catherine Chin 1978-5-5 54 Humboldt 17.4 mi. S of Ferndale on Mattole Rd. 91 Comment
  CDA4728  Linum bienne T. C. Fuller 1958-6-17 602 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC49829  Linum bienne Maralyn O'Meara 1974-7-11 531 Humboldt Kneeland, Barry Ridge Comment
  UC666981  Listera caurina Joseph P. Tracy 1937-8-12 15648 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC136461  Listera cordata Greg de Nevers 2001-4-17 12250 Humboldt Field redacted by CAS, contact the data manager for more information 91 Comment
  UC1103027  Listera cordata Joseph P. Tracy 1923-6-24 6361 1/2 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC54690  Lithocarpus densiflorus Mrs. M. H. Manning Oct 1901 Humboldt near Hupa Comment
  RSA21079  Lithocarpus densiflorus var. densiflorus Carl B. Wolf 1937-8-13 9239 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  RSA697654  Lithocarpus densiflorus var. densiflorus Unspecified 1936-09 s.n. Humboldt Richardson's Grove (State Park). Comment
  UC667091  Lithophragma campanulatum Joseph P. Tracy 1933-7-11 12689 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC283402  Lolium multiflorum Malcom A. Nobs; S. Galen Smith 1949-8-3 1177 Humboldt Salt marshes around Fields Landing Comment
  UC50707  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5606 B Humboldt Arcata Comment
  HSC40251  Lolium perenne Linda M. Barker 1976-7-5 1646 Humboldt 3 mi. W of Arcata. Comment
  UC1103482  Lolium perenne Joseph P. Tracy 1937-6-6 15331 Humboldt Ferndale 15 Comment
  CAS-BOT-BC271058  Lolium temulentum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  SEINET5527019 Image available Lomaria spicant Hicks, Carpenter 1977-7-12 Humboldt Orick Comment
  UC1103401  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1924-3-9 6610 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC71085  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3404 Humboldt Large rock downstream from Anderson's Ford 640 Comment
  SEINET200744  Lomatium dissectum Joseph P. Tracy 1913-6-20 4237 Humboldt Lower foothills of Buck mountain on its northwest slope. Comment
  HSC55837  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-25 10774 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC74029  Lomatium macrocarpum Gail Newton 1980-7-22 1681 Humboldt Near Devils Backbone 1554 Comment
  HSC96070  Lomatium macrocarpum J. McIntire, S. Lyon 2005-6-15 12 Humboldt 1 mi. SE of Grouse Mtn. on FS 4N32 1610 Comment
  UC1197149  Lomatium tracyi Joseph P. Tracy 1933-7-9 12650 Humboldt Brannan Mt. Northern Coast Ranges, Brannan Mt. 1066 Comment
  HSC37195  Lomatium utriculatum Barbara Kelly 1976-5-13 251 Humboldt Below road at Kneeland Airport Comment
  JEPS17553  Lomatium utriculatum Joseph P. Tracy 1923-7-4 6525 Humboldt Northern Coast Ranges, South Yager Creek Valley 762 Comment
  SEINET13944678 Image available Lomatium utriculatum William A. Weber 1965-1 12292 Humboldt slope above Van Duzen River W of Dinsmore; 2400 ft alt 732 Comment
  HSC61763  Lonicera hispidula var. vacillans Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC177242  Lonicera hispidula var. vacillans Joseph P. Tracy 1912-7-4 3735 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC31737  Lonicera involucrata var. ledebourii Donald Spalinger 1974-4-20 15 Humboldt Across from 1756 Ridgewood Dr. 122 Comment
  HSC62897  Lonicera involucrata var. ledebourii J. M. DiTomaso 1979-4-1 836 Humboldt 3 mi. S of Arcata, on Samoa Rd. Comment
  SBBG7360  Lonicera involucrata var. ledebourii M. J. Cody 1938-7-18 Humboldt near Trinidad Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  POM199441  Lotus aboriginus H. E. Parks, J. P. Tracy, C. R. Parks 1930-9-15 0762 Humboldt Kneeland, Bald Hills. Comment
  SEINET3523157 Image available Lotus aboriginus Joseph P. Tracy 1949-6-20 18321 Humboldt Near Boynton Prairie, 12 mi SE of Arcata Comment
  UC201735  Lotus aboriginus Volney Rattan Jun 1883 Humboldt near Kneeland Prairie (e of Eureka, in R.N. forest) Comment
  HSC90323  Lotus corniculatus Jean Hanson 1980-6-22 106 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka. W end of Island in mud between dikes. 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
  JEPS84908 Image available Lotus douglasii W. L. Jepson 1902-8-13 1979 Humboldt Three Creeks to Willow Creek (forest on mt. side); ; Three Creeks, to Willow Creek, Humboldt Co. 762 Comment
  JEPS19455  Lotus micranthus Joseph P. Tracy 1917-5-30 4795 Humboldt Northern Coast Region, mouth of Little River Little River; Northern Coast Region, Little River 6 Comment
  JEPS79926  Lotus oblongifolius var. oblongifolius Joseph P. Tracy Jul 16 1930-Jul 19 1930 8997 Humboldt McKay Cmap Northern Coast Ranges, South Fork Mountian 1676 Comment
  JEPS55745  Lotus purshianus var. purshianus Lincoln Constance 1934-5-26 667 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  UC1197287  Lotus purshianus var. purshianus Joseph P. Tracy 1912-6-30 3713 Humboldt Eureka Northern Coast Region 0 Comment
  UC726367  Lotus purshianus var. purshianus A. A. Heller 1923-7-9 13778 Humboldt 5 mi from Arcata (near Blue Lake) Comment
  HSC97974  Lupinus albicaulis Cara Witte 2007-7-9 468 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  CHSC19515  Lupinus arboreus Wendell Wood 1970-10-7 307 Humboldt McKinleyville. Clam Beach. 0 Comment
  HSC14775  Lupinus arboreus J. W. Johnson 1961-9-3 1078 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  SD39023  Lupinus arboreus Edith A. Purer 1932-7-27 4150 Humboldt Samoa, stabilized sand dunes Comment
  UCD106622  Lupinus arboreus Roman Gankin 1965-8-6 548 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  RSA1902  Lupinus arboreus var. arboreus Carl B. Wolf 1930-10-28 1036 Humboldt Samoa. 15 Comment
  HSC71165  Lupinus bicolor Thomas W. Nelson 1977-5-30 3411 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  RSA276277  Lupinus bicolor subsp. umbellatus Lyman D. Benson 1929-7-19 1860 Humboldt Dyerville to Mat[t]ole River. Comment
  JEPS83709  Lupinus constancei R. Raiche 1987-7-26 70513 Humboldt near Trinity Co. line (The Lassics, Lassic Peak); The Lassics, Lassic Peak 1737 Comment
  UC168984  Lupinus formosus var. formosus Joseph P. Tracy 1912-4-21 3576 Humboldt Bucksport; Northern Coast Region, Eureka, Bucksport 0 Comment
  SEINET12154562  Lupinus latifolius J. P. Tracy 1939-1 16415 Humboldt Grouse Mtn, "Clear Lake" 1524 Comment
  SEINET12154564  Lupinus latifolius J. P. Tracy 1941-1 16916 Humboldt Panther Gap on the Bull Crk - Mattole Rd Comment
  UC15889  Lupinus latifolius var. latifolius Harley P. Chandler June, 1901 1365 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC1223288  Lupinus latifolius var. latifolius Joseph P. Tracy 1936-7-5 15036 Humboldt top Grouse Mountain; top of Grouse Mountain 1524 Comment
  UC584210  Lupinus littoralis David D. Keck and J. Clausen 1935-6-16 3383 Humboldt Mouth of Little River Comment
  HSC35702  Lupinus luteolus Thomas W. Nelson, B. Reinhardt 1975-7-30 2118 Humboldt E of Pilot Rock Comment
  HSC39785  Lupinus rivularis Peter Sorensen 1976-5-29 Humboldt King Salmon Comment
  RSA21084  Lupinus rivularis Carl B. Wolf 1937-6-19 8912 Humboldt Van Duzen River, 3/10 mi. above Bridgeville. 122 Comment
  RSA87079  Lupinus vallicola subsp. apricus F. W. Peirson 1923-7-10 4221 Humboldt Garberville Comment
  HSC57984  Luzula comosa G. L. Clifton, Griswold 1979-7-31 11718 Humboldt Near the Trinity Summit Guard Station, close to the town of Hoopa. 1804 Comment
  HSC71599  Luzula comosa M. A. Baker 1980-6-26 2412 Humboldt Near Sims Creek 610 Comment
  HSC74171  Luzula comosa M. A. Baker 1980-7-23 3182 Humboldt Near Orleans Mtn. 1859 Comment
  HSC75476  Luzula comosa J. O. Sawyer 1980-7-18 3623 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1103677  Luzula comosa Joseph P. Tracy 1901-5-21 1101 Humboldt at Eureka; Northern Coast Region, at Eureka 0 Comment
  SEINET11790125  Luzula comosa J. P. Tracy 1951-1 19546 Humboldt Snow Camp Meadow Comment
  CAS-BOT-BC436735  Luzula comosa var. laxa Doris Kildale Gillespie 1931-6-7 10661 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC499137  Luzula macrantha Peter F. Zika 2011-7-3 25497 Humboldt Titlow Hill Road, 3.7 road miles SE of Rte 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  HSC98527  Luzula parviflora Cara Witte 2008-7-25 937 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  RSA54022  Luzula parviflora E. K. Balls, Lee W. Lenz 1956-6-12 21662 Humboldt 4.4 miles SW from Willow Creek along U. S. Highway 299 to Arcata. 366 Comment
  UC1152127  Luzula parviflora Joseph P. Tracy 1934-7-12 13376 Humboldt e side Big Lagoon; e side Big Lagoon Comment
  RSA32655  Lychnis coronaria Doris K. Kildale 1927-7-3 3651 Humboldt Willow Creek Flat. Comment
  CAS-BOT-BC61932  Lycopodium clavatum H. E. Parks; W. K. Parks 1932-7-30 01132 Humboldt Camp 21 Hammon Lumber Company, Trinidad 152 Comment
  HSC97349  Lycopodium clavatum D. E. Anderson 1965-11-26 4176 Humboldt 2 mi. E. of Moonstone Beach Comment
  LA5619  Lycopodium clavatum H. E. Parks; W. K. Parks 1932-7-30 1132 Humboldt Trinidad, Camp 21, Hammond Lumber Company 152 Comment
  UC1745148 Image available Lycopodium clavatum Clare T. Golec 2000-7-13 Humboldt Spur ridge above Mad R. SE of Blue Lake 76 Comment
  UC577349  Lycopus uniflorus H. E. Parks and Joseph P. Tracy 1924-8-3 6765 Humboldt Big Lagoon 6 Comment
  HSC91595  Lysichiton americanus E. Mackey 1986-10-7 Humboldt Patrick's Point State Park, near park entrance Comment
  POM68322  Lysichiton americanus Marcus E. Jones 1924-05 s.n. Humboldt Scotia. [county not specified] Comment
Read comments
Dec 31 2015
  UC183603  Lythrum hyssopifolia Joseph P. Tracy 1912-10-20 4006 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  HSC59797  Lythrum hyssopifolia Clark L. Miller 1979-5-19 1148 Humboldt Along Samoa Blvd. before railroad tracks, 4 mi. W of Arcata. Comment
  HSC90841  Lythrum hyssopifolia Leonel Arguello 1989-6-10 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, at the end of the Fernstrom-Root trail, along W border of the salt marsh. Comment
  RSA0015875  Lythrum hyssopifolia H. M. Pollard 1945-8-28 s.n. Humboldt Near Harley place. Comment
  UC1199114  Madia Joseph P. Tracy 1906-7-4 2537 Humboldt on bar of Yager Creek; Hydesville 60 Comment
  POM284991  Madia citriodora Lyman Benson 1929-7-12 1791 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  CAS-BOT-BC342802  Madia elegans J. Clausen 1932-9-18 688 Humboldt 8.2 miles west of Bull Creek Store; near summit of ridge 914 Comment
  RSA167397  Madia elegans subsp. elegans Joseph P. Tracy 1947-7-9 17827 Humboldt Horse Mountain 1067 Comment
  CAS-BOT-BC344357  Madia exigua L. R. Abrams 1916-7-11 5995 Humboldt Between Blocksberg & Bridgeville Comment
  UC129391  Madia exigua Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5466 Humboldt near Elk Prairie Comment
  HSC40046  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1976-7-1 2902 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC97224  Madia gracilis Bryan Atkinson, Jenny Lynn Hutchinson 2007-6-11 5 Humboldt Near Grouse Mtn., 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1341 Comment
  UC176421  Madia gracilis Joseph P. Tracy 1909-7-31 3029 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UCD134335  Madia sativa Linda M. Barker 1976-7-5 1636 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  JEPS17994  Madia sativa George B. Rossbach 1955-6-10 550 Humboldt near Humboldt Bay (lagoon and lighthouse (between Fairhaven and end of sandy point off Eureka) Comment
  HSC103978  Maianthemum dilatatum Kyle Brown 2015-4-25 38 Humboldt Trinidad, along trail at Trinidad State Beach Park 15 Comment
  HSC15596  Maianthemum dilatatum W. R. Brigham 1962-5-19 6 Humboldt S of Big Lagoon. Comment
  HSC15597  Maianthemum dilatatum W. D. Stevens 1964-5-12 15 Humboldt E end of 14th St., Arcata Comment
  RSA244984  Maianthemum dilatatum M. N. Gold 1966-5-15 25 Humboldt Dry Lagoon State Park, 13 miles north of Trinidad Comment
  HSC57028  Maianthemum racemosum subsp. amplexicaule Overton, Butler 1979-7-24 9650 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  SEINET12048703  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -177 Humboldt ca 0.4 mi S towards Redcrest on Avenue of Giants from junction with US 101 15 Comment
  UC1223206  Malacothrix clevelandii Joseph P. Tracy 1946-11-17 17667 Humboldt at mouth Van Duzen River; Eel River at mouth of Van Duzen River Comment
  HSC33177  Malacothrix floccifera Thomas W. Nelson 1973-8-19 1114 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC73820  Marah oregana Gail Newton 1980-6-7 135 Humboldt Near Brush Mtn. 1128 Comment
  POM67053  Marah oregana Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1199283  Matricaria discoidea Joseph P. Tracy 1933-5-20 12217 Humboldt Capetown 30 Comment
  UC1197431  Medicago polymorpha Joseph P. Tracy 1932-5-1 9883 Humboldt Vicinity of Garberville North Coast Ranges 121 Comment
  UC552700  Melica californica Joseph P. Tracy 1935-5-25 13888 Humboldt Dobbyn Creek; Northern Coast Ranges 152 Comment
  UCD87523  Melica harfordii P. B. Kennedy 1916-6-1 s.n. Humboldt Eureka. Comment
  CAS-BOT-BC262467  Melica subulata Joseph P. Tracy 1935-5-25 13898 Humboldt North Coast Ranges. Dobbyn Creek 152 Comment
  HSC10369  Melica subulata J. P. Tracy 1926-5-22 7503 Humboldt Prairie Creek. 152 Comment
  HSC10370  Melica subulata E. W. Styskel 1964-4-3 59 Humboldt 0.25 mi. NE of Garbervillie Airport along Sprowl Creek Rd. Comment
  UC1145128  Melica subulata Joseph P. Tracy 1942-6-2 17107 Humboldt Valley of South Yager Creek 762 Comment
  UCD88643  Melica subulata A. H. Murphy 1951-5-15 s.n. Humboldt 3/4 mile south of South Fork on McCann Road. Comment
  HSC15519  Melilotus albus C. Kline 1970-11-9 66 Humboldt .5 mi. N of Bayside, Bayside Rd. Comment
  HSC71570  Melilotus albus J. P. Smith 1971-10-9 5042 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  JEPS63288  Melissa officinalis W. L. Jepson 1932-8-2 16472 Humboldt Dyerville 76 Comment
  POM174071  Mentha canadensis Joseph P. Tracy 1918-9-29 5105 Humboldt South Fork of Eeel River 4 miles above the mouth. Comment
  SD148130  Mentha pulegium G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6987 Humboldt Ca-36, along the Van Duzen R. 19.6 miles east of U. S. 101. 136 Comment
  UC577382  Mentha pulegium Joseph P. Tracy 1930-9-1 9175 Humboldt South Fork of Eel River Miranda; South Fork of Eel River 121 Comment
  UCR123947  Mentha pulegium George K. Helmkamp, E. A. Helmkamp 2001-7-8 6987 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC63583  Mentha pulegium J. P. Smith 1971-10-9 5004 Humboldt Mad River above the Fish Hatchery. Comment
  UCD125120  Mentha pulegium Joseph P. Tracy 1946-8-25 17642 Humboldt Grizzly Buff. Along Eel River. 18 Comment
  JEPS26724  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1936-8-17 17939 Humboldt near Arcata; Mad River Comment
  POM296727  Micropus californicus S. K. Harris, J. P. Tracy 1942-6-15 s.n. Humboldt Prairie, Harris Road, 1 mile east of Garberville 30 Comment
  HSC73173  Micropus californicus var. californicus M. A. Baker 1980-5-18 1337 Humboldt Near Black Mtn. 792 Comment
  CAS-BOT-BC348375  Micropus californicus var. californicus Doris K. Kildale 1926-4-30 1915 Humboldt Fruitland Hill - Harris Road Comment
  SEINET198985  Micropus californicus var. californicus S. K. Harris, JP Tracy 1942-6-15 sn Humboldt Harris Road 1 mi E of Garberville Comment
  UC166792  Microseris laciniata subsp. laciniata Joseph P. Tracy 1909-7-31 3028 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS13225  Microseris laciniata subsp. laciniata Lincoln Constance 1934-5-24 624 Humboldt s slope lower Look Prairie; South Fork Eel River, Bull Creek region, s slope of Lower Lo 121 Comment
  UC92136  Microseris laciniata subsp. leptosepala Harley P. Chandler June 1901 1408 Humboldt Klamath River North Coast Ranges, Klamath River 243 Comment
  UC682105  Microseris laciniata subsp. leptosepala G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3276 Humboldt 1/2 mi n Weitchpec 243 Comment
  CAS-BOT-BC349240  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  HSC73727  Microseris nutans M. A. Baker 1980-7-22 3062 Humboldt Near Salmon Mtn. 1820 Comment
  UC582440  Microseris nutans Joseph P. Tracy 1935-7-27 14307 Humboldt McKay Prairie Trinity Summit 1584 Comment
  UC175596  Mimulus arvensis Joseph P. Tracy 1912-6-9 3688 Humboldt Alton Northern Coast Region 30 Comment
  JEPS10486  Mimulus arvensis Joseph P. Tracy 1926-5-2 7435 Humboldt near South Fork; Trinity River Valley 182 Comment
  UC582443  Mimulus aurantiacus var. aurantiacus Joseph P. Tracy 1934-7-12 13379 Humboldt Big Lagoon 152 Comment
  JEPS10553  Mimulus breweri Joseph P. Tracy 1932-7-10 10375 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC20708  Mimulus dentatus Jack Rockwell 1962-5-5 58 Humboldt W side Jacoby Creek 18 Comment
  HSC70515  Mimulus guttatus Gail Newton 1980-7-20 1619 Humboldt Near Bell Swamps 1426 Comment
  HSC22498  Mimulus guttatus G. Ghatala 1967-7-18 6 Humboldt Comment
  JEPS10789  Mimulus inodorus Joseph P. Tracy Jul 16 1930-Jul 19 1930 8983 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  POM265898  Mimulus kelloggii Lincoln Constance, R. C. Rollins 1942-5-12 2894 Humboldt At junction of Klamath and Salmon rivers, 1 mile south of Somes Bar. 152 Comment
  HSC24378  Mimulus moschatus J. O. Sawyer 1970-6-24 2253 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC56179  Mimulus moschatus G. L. Clifton, Griswold 1979-8-1 12094 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC98844  Mimulus moschatus Cara Witte 2008-7-11 876 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  HSC75461  Mimulus primuloides J. O. Sawyer 1980-7-18 3610 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1103329  Mimulus primuloides Joseph P. Tracy 1935-7-26 14259 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  HSC97942  Mimulus pulsiferae Cara Witte 2007-6-20 304 Humboldt National Forest 1. 1/4 mile north of intersection with 5N09. 1434 Comment
  HSC96198  Mimulus pulsiferae Kaylea Eickhoff, Cara M. Witte 2005-6-15 11 Humboldt 14.1 mi. S of Hwy. 299 on NF1, 0.25 mi. NE of Grouse Mtn. 1400 Comment
  SEINET6904198  Minuartia douglasii Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  CAS-BOT-BC433067  Mitella trifida J. H. Thomas 1949-6-13 911 A Humboldt Between Le Perron Flat and Whitey's Peak, along trail. East of town of Orleans. 1371 Comment
  UC176998  Monardella odoratissima subsp. glauca Joseph P. Tracy 1912-7-31 3928 Humboldt Near summit Buck Mountain; Northern Coast Ranges 1676 Comment
  HSC72614  Monardella sheltonii J. P. Smith 1977-7-3 9262 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  CAS-BOT-BC220517  Monardella villosa C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UCLA62435  Monardella villosa subsp. globosa C. Epling, Wm. Robison 1935-7-24 Humboldt Dyerville Comment
  RSA249710  Monotropa hypopitys R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35132 a Humboldt Wailaki Recreation Site. 610 Comment
  CAS-BOT-BC233770  Montia howellii Joseph P. Tracy 1916-5-7 4686 Humboldt Eureka 60 Comment
  POM168985  Montia howellii Joseph P. Tracy 1916-5-7 4686 Humboldt Eureka Comment
  SEINET3025745  Montia linearis Joseph P. Tracy 1913-5-4 4067 Humboldt Kneeland Prairie 760 Comment
  HSC17672  Montia parvifolia C. E. Fellows 1957-4-27 128 Humboldt 1 mi. W of Honeydew Comment
  HSC37958  Morella californica Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  HSC44733  Morella californica Maralyn O'Meara 1971-10-25 54 Humboldt S side of Big Lagoon Comment
  RSA10148  Muhlenbergia filiformis Joseph P. Tracy 1932-7-14 10544 Humboldt Klamath Mountains; Trinity Summit. Wet Meadow at Corral Prairie 0 Comment
  UC1145147  Muhlenbergia mexicana Joseph P. Tracy 1916-9-5 4774 Humboldt 4 mi. above mouth of S. Fork Eel R.; S. Fork Eel R. 60 Comment
  HSC27886  Myosotis sylvatica Clifton Raymond Chesbrough 1973-6-19 74 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  CAS-BOT-BC101666  Myrica californica Alice Eastwood 1907-4-21 39 Humboldt Port Trinidad Comment
  CAS-BOT-BC101668  Myrica californica Doris K. Kildale 1926-3-20 1551 Humboldt Big Lagoon Comment
  RSA46886  Myrica californica Doris K. Kildale 1926-3-27 1551 Humboldt Big Lagoon. Comment
  UC1197940  Myrica californica Joseph P. Tracy 1931-3-26 9291 Humboldt along Van Duzen R. Alton; North Coast Ranges, , Van Duzen R. 30 Comment
  HSC77885  Myriophyllum aquaticum Wendy Madar 1978-5-16 Humboldt Catfish Lake, 3 mi. S Eureka Comment
  CAS-BOT-BC515985  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  UC526762  Nassella lepida Joseph P. Tracy 1933-5-20 12247 Humboldt hillside near Petrolia; Northern Coast Ranges, Mattole Valley 152 Comment
  JEPS70295  Navarretia divaricata Joseph P. Tracy Jul 16 1930-Jul 19 1930 9065 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC908388  Navarretia divaricata Joseph P. Tracy 1932-7-11 10395 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC133661  Navarretia divaricata subsp. vividior Joseph P. Tracy 1908-6 2721 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC1197903  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1947-7-9 17859 Humboldt Horse Mountain 1432 Comment
  UC909128  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1926-6-27 7679 Humboldt Horse Mountain 1432 Comment
  RSA67625  Navarretia mellita P. A. Munz 1951-7-15 16545 Humboldt Ca. 3 mi. N of Willow Creek 137 Comment
  UC1222707  Navarretia pubescens Joseph P. Tracy 1950-6-23 18861 Humboldt 3 mi ne Alder Point; Dobbyn Creek 213 Comment
  UC1198527  Navarretia squarrosa Joseph P. Tracy 1927-8-7 8328 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS70478  Navarretia tagetina W. L. Jepson 1932-7-24 16386 Humboldt above Eel Rock; Mail Ridge 762 Comment
  UC1198524  Navarretia tagetina Joseph P. Tracy 1942-7-1 17362 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Northern Coast Ranges, Van Duzen River 762 Comment
  HSC13581  Nemophila menziesii var. atomaria C. O. Baker 1962-3-22 2 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  UC24261  Nemophila menziesii var. atomaria Mrs. Manning Humboldt Hupa Comment
  UC249523  Nemophila menziesii var. atomaria Joseph P. Tracy 1922-5-28 6055 Humboldt Little River Beach Northern Coast Ranges 6 Comment
  UC562583  Nemophila menziesii var. atomaria Joseph P. Tracy 1926-5-9 7464 Humboldt Valley of South Yager Creek 762 Comment
  JEPS2982  Nemophila parviflora Joseph P. Tracy 1932-7-13 10492 Humboldt near Corral Prairie (Trinity Summit); , near Corral Prairie 1584 Comment
  HSC71030  Nemophila pedunculata Thomas W. Nelson 1977-4-20 3322 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  HSC57344  Noccaea fendleri subsp. glauca Walter Overton, Marvin Butler 1979-7-26 10027 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC774627  Nuphar lutea subsp. polysepala Carl B. Wolf 1937-9-9 9309 Humboldt 1 mi s of Capetown (on road to Cape Mendocino) 91 Comment
  HSC77345  Oemleria cerasiformis L. P. Janeway 1983-4-16 230 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  UC666832  Oemleria cerasiformis Joseph P. Tracy 1937-6-20 15356 Humboldt 10 mi up stream mouth of Bear River; Bear River 152 Comment
  UC916666  Oenanthe pimpinelloides Joseph P. Tracy 1950-8-18 19330 Humboldt along Blocksburg rd. near bridge across Larrabee Creek 457 Comment
  UCD127733  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt Larrabee Creek, 3 miles north of Blocksburg. 457 Comment
  HSC39449  Oenanthe sarmentosa Linda M. Barker 1976-8-24 1686 Humboldt 3 mi. W of Arcata Comment
  UC314582  Oenanthe sarmentosa Joseph P. Tracy 1924-9-28 6910 Humboldt Centerville Northern Coast Ranges, Centerville 6 Comment
  UCD127756  Oenanthe sarmentosa Collector Unknown 1932-7-1 s.n. Humboldt California Seed Lab. Comment
  CHSC70028  Oenothera wolfii David K. Imper 1988-8-15 Humboldt Hoopa Square, just n of junction Hwy 299 and Big Hill Rd., E side of 299, S of Sawdust Burner. Roadside. 152 Comment
  HSC86996  Olsynium douglasii var. douglasii Brent Helm, Curtis Miller, Mark Steiger 1988-3-30 55 Humboldt 8 mi. S on Titlow Hill Rd. 1159 Comment
  HSC57979  Oreostemma alpigenum var. andersonii G. L. Clifton, Griswold 1979-7-31 11704 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  RSA0059232  Orobanche californica subsp. californica Harold E. Parks, Joseph P. Tracy 1924-8-3 6761 Humboldt Big Lagoon. 6 Comment
  JEPS12001  Orobanche fasciculata Joseph P. Tracy 1935-7-30 14374 Humboldt Salmon Summit. Comment
  HSC100939  Orthocarpus attenuatus Miss Handy Jun 1886 40 Humboldt Maple Cr. Comment
  RSA0006077  Orthocarpus castillejoides var. humboldtiensis Philip A. Munz 1925-6-20 9890 Humboldt Eureka. Comment
  RSA80246  Orthocarpus erianthus var. gratiosus F. W. Peirson 1941-7-28 13107 Humboldt Along road to Patrick Point, State Park. Comment
  HSC45396  Osmorhiza berteroi Thomas W. Nelson, Jane P. Nelson 1977-7-4 3596 Humboldt Beside pond above Alder Springs 1585 Comment
  UC642276  Osmorhiza occidentalis Joseph P. Tracy 1927-6-12 8157 Humboldt Horse Mountain; lower slopes 1219 Comment
  HSC12761  Oxalis articulata subsp. rubra M. J. Athey 1970-11-8 12 Humboldt Along Arcata blvd., in Arcata. Comment
  HSC16720  Oxalis articulata subsp. rubra J. E. Lankila 1962-5-6 11 Humboldt About 1/4 mi. N of Price Creek Comment
  HSC12024  Oxalis corniculata D. Santana 1970-11-2 111 Humboldt G and 17th St., in city park lot. Comment
  HSC12755  Oxalis corniculata M. J. Athey 1970-11-22 23 Humboldt In Arcata along G street in front of P G & E Comment
  UCR123951  Oxalis oregana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6976 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC8609  Oxalis oregana R. A. Rasp 1964-4-5 30 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  POM353445  Oxalis oregana J. P. Smith 1973-5-26 6852 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC56731  Oxalis oregana Harley P. Chandler May, 1901 1160 Humboldt North Coast Ranges 30 Comment
  SEINET3347146 Image available Oxalis suksdorfii Joseph P. Tracy 1930-6-22 8796 Humboldt Redwood Creek, at Berry's Comment
  HSC55209  Oxalis trilliifolia Walter Overton 1979-8-1 12336 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC1103780  Panicum acuminatum var. acuminatum Joseph P. Tracy 1923-6-17 6265 Humboldt Dows Prairie; Northern Coast Ranges, Dows Prairie 60 Comment
  CDA2147  Panicum miliaceum T. R. Haig 1975-8-27 Humboldt Korbel. 0 Comment
  HSC13258  Parapholis incurva D. E. Anderson 1965-6-10 3794 Humboldt Harbor area of Eureka. Comment
  HSC93730  Parapholis incurva Gordon Leppig, Sylvia Leppig 1998-5-25 788 Humboldt Big Lagoon State Park. 1 Comment
  CHSC20872  Parentucellia viscosa Robert A. Schlising 1963-6-3 2582 Humboldt 2 miles north 0f Fortuna. Comment
  HSC12791  Parentucellia viscosa Jana Kattenhorn 1970-10-14 47 Humboldt Big Lagoon Comment
  JEPS4478  Parentucellia viscosa Joseph P. Tracy 1923-6-18 6284 Humboldt 1 mi s of point Cape Mendocino; Northern Coast Ranges 152 Comment
  UC1409051  Parentucellia viscosa Robert F. Thorne and P. Everett 1965-8-7 35202 Humboldt Samoa Peninsula Comment
  HSC72425  Parentucellia viscosa J. P. Smith 1970-6-7 3812 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  SEINET10810981  Parentucellia viscosa J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13017 Humboldt North of McKinleyville on U.S. 101 (a few kilometers north of Eureka), on northbound off-ramp (southbound labelled as Route 101 Business) leading to Clam Beach County Park. Comment
  POM288009  Pastinaca sativa Lyman Benson 1928-7-12 811 Humboldt Weott Ranger Station. 61 Comment
  HSC3794  Paxistima myrsinites D. E. Anderson 1965-6-1 3776 Humboldt Along Friday Ridge Rd. 1067 Comment
  UC1199002  Paxistima myrsinites Joseph P. Tracy 1948-8-15 18132 Humboldt on Ridge 2 mi. e. Grove's Prairie (near Elk Camp, Trinity Summit); Trinity Summit 1554 Comment
  UC1239629  Pectocarya pusilla Joseph P. Tracy 1926-5-2 7428 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC67624  Pellaea mucronata Joseph P. Tracy 1933-6-13 12561 Humboldt Hoopa Mountain - near summit on road west from Hoopa to Bair's. 1066 Comment
  HSC38091  Pellaea mucronata Thomas W. Nelson, James Nelson 1976-5-30 2612 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC20958  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt Near end of Forest Rd. from Hoopa towards Trinity Summit 1372 Comment
  HSC56260  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-8-2 12416 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS7206  Penstemon anguineus P. E. Goddard 1906-6 679 Humboldt Lasseck Pk Comment
  JEPS86690  Penstemon anguineus L. R. Heckard with T. I. Chuang 1990-7-15 6769 Humboldt ca 15 mi n Highway 36 (South Fork Mountain Rd); South Fork Mountain Rd., n of Hwy 36 1700 Comment
  HSC97989  Penstemon laetus subsp. sagittatus Cara Witte 2007-7-8 432 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  HSC98095  Penstemon laetus subsp. sagittatus Cara Witte 2007-7-3 417 Humboldt Along National Forest 1. 1/4 mile north of Road V. 1268 Comment
  NY604551  Penstemon laetus var. sagittatus J. P. Tracy 1933-7-25 12827 Humboldt Horse Mountain 1432.6 Comment
  UC1222785  Penstemon laetus var. sagittatus Joseph P. Tracy 1951-6-26 19588 Humboldt n side Board Camp Mountain extreme head of Redwood Creek, n side Board Camp Mountain (at extreme head of Redwood Creek) 1541 Comment
  HSC56080  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-31 11768 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC56163  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-8-1 12047 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  NY629991  Penstemon parvulus J. P. Tracy 1942-6-23 17223 Humboldt Trinity Summit. Ridge top one mile west of Mud Springs, in serpentine formation 1158.2 Comment
  HSC56083  Penstemon procerus var. brachyanthus G. L. Clifton, Terry Griswold 1979-7-31 11771 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC39394  Penstemon purpusii D. E. Anderson, J. P. Smith 1971-7-6 - 1279 Humboldt Horse Mtn. Comment
  UC169849  Penstemon rattanii var. kleei V. Rattan 1870-1 Humboldt Comment
Read comments
Sep 7 2007
  SEINET10547443 Image available Penstemon rattanii var. rattanii V. Rattan Rattan 11918 Humboldt 792 Comment
  UC1222945  Pentachaeta alsinoides Joseph P. Tracy 1946-5-16 17346 Humboldt bench on w side of river 1 mi s Garberville; Eel River Comment
  UC165061  Pentachaeta alsinoides Joseph P. Tracy 1903-5-23 1890 Humboldt dry hillside at Alder Point; Eel River 243 Comment
  HSC1085  Pentagramma triangularis J. Wendell Howe May 1931 Humboldt Horse Mtn. Comment
  SEINET196690  Perideridia gairdneri Joseph P. Tracy 1942-9-20 17324 Humboldt 2 miles S of Fields Landing 3 Comment
  UC906650  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1942-9-20 17324 Humboldt 2 mi s Fields Landing 3 Comment
  JEPS14205  Perideridia gairdneri subsp. gairdneri Joseph P. Tracy 1936-10-24 15204 Humboldt hillside 2 mi s Field's Landing; Northern Coast Region, <Region> around Humboldt Bay 9 Comment
  HSC45397  Perideridia oregana Thomas W. Nelson, Jane P. Nelson 1977-9-3 3721 Humboldt N of Bear Creek 1494 Comment
  HSC98872  Perideridia oregana Cara Witte 2007-7-5 421 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1578 Comment
  HSC56308  Perideridia parishii subsp. latifolia Overton, Butler 1979-8-2 12627 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA167253  Petasites palmatus Joseph P. Tracy 1947-2-23 17670 Humboldt Van Duzen River, near Grizzly Creek. 91 Comment
  BLMAR239  Phacelia Jennifer Anthony-Wheeler 1997-6-13 239 Humboldt King range, growing in dry cobbly part of creek bed where queen mine rd crosses S.Fork of Bear creek 463 Comment
  HSC76574  Phacelia bolanderi Denis Kearns 1981-7-8 142 Humboldt Near Bluff Creek 622 Comment
  JEPS1437  Phacelia bolanderi W. L. Jepson 1932-8-9 16536 Humboldt Bull Creek 106 Comment
  UC673184  Phacelia bolanderi Lincoln Constance and Reed C. Rollins 1942-5-12 2892 Humboldt 2 mi n Orleans; Klamath-Siskiyou Region, Klamath River 121 Comment
  UC673279  Phacelia bolanderi Lincoln Constance and Reed C. Rollins 1942-5-20 2999 Humboldt Dyerville Bridge Klamath-Siskiyou region, Eeel River (2 mi n of Weott) 48 Comment
  SEINET12330003  Phacelia bolanderi F. H. Utech 1986-1 86 -384 Humboldt 0.5 mi NNW on Kings Peak Road (Humboldt County C4A) from junction with Shelter Cove Road 600 Comment
  JEPS1200  Phacelia malvifolia Joseph P. Tracy 1934-6-10 13212 Humboldt DRY LAGOON (Along coast in front South End of Stone Lagoon.) Comment
  UC562580  Phacelia malvifolia Joseph P. Tracy 1934-6-10 13212 Humboldt along coast in front of South End of Stone Lagoon (at foot of slope); Dry Lagoon 3 Comment
  UC774626  Phacelia mutabilis Carl B. Wolf 1937-8-13 9238 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity Summit); North Coast Range 1219 Comment
  HSC13670  Phacelia nemoralis subsp. oregonensis D. E. Anderson 1963-3-16 2391 Humboldt Scotia Bluffs Comment
  UC673179  Phacelia nemoralis subsp. oregonensis Lincoln Constance and Reed C. Rollins 1942-5-11 2782 Humboldt 6 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  HSC57416  Phacelia procera G. L. Clifton, Griswold 1979-7-26 10178 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  UC552756  Phalaris arundinacea Joseph P. Tracy 1934-7-27 13492 Humboldt Arcata Bottom; North Coast Ranges, Arcata Bottom 12 Comment
  CAS-BOT-BC76574  Philadelphus lewisii Alice Eastwood 1921-7-21 10671 Humboldt Van Duzer River, on the road. Comment
  JEPS49602  Philadelphus lewisii Harley P. Chandler June, 1901 1523 Humboldt Sommes Bar North Coast Ranges, Klamath River 426 Comment
  RSA0057780  Philadelphus lewisii Jane Turner, Francis M. Ball 1962-7-10 1145 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  HSC58687  Phleum alpinum G. L. Clifton, Griswold 1979-8-2 12405 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC97276  Phleum alpinum M. Mesler 2007-7-15 783 Humboldt Near Grouse Mtn., 0.9 mi. S of NF 1 on FS Rd. 5N04 1582 Comment
  UC526750  Phleum alpinum Joseph P. Tracy 1932-7-10 10388 Humboldt Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  HSC48310  Phleum pratense Brad Klipfel 1973-8-3 297 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99494  Phleum pratense K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 154 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC1178963  Phlox douglasii subsp. rigida Joseph P. Tracy 1927-6-12 8126 Humboldt Horse Mountain 1432 Comment
  HSC100598  Phlox gracilis Carl C. Marshall Apr 1887 373 Humboldt Hoopa Valley. Comment
  RSA273312  Phoradendron libocedri Thomas W. Nelson, Jane P. Nelson 1976-6-16 2739 Humboldt Just W of Alder Springs. 1524 Comment
  CHSC2362  Phyllospadix scouleri M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  SEINET3290581 Image available Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Trinidad, Spruce Cove Comment
  UCSB2830  Physocarpus capitatus Phillips, Priscilla 1958-6-9 Humboldt Biship Pina Lodge, 2 mi. n. of Trinidad Comment
  NY34412  Picea sitchensis E. K. Balls 1953-10-11 18631 Humboldt 23.4 miles north of Petrolia on Old Coast Road, toward Ferndale 365.8 Comment
  RSA15564  Picea sitchensis C. B. Wolf 1927-8-29 1202 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  UC1198275  Picea sitchensis Joseph P. Tracy 1930-9-28 9197 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UCD134310  Picea sitchensis Roman Gankin 1965-8-6 551 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  UCR48598  Picris echioides R. D. Goeden, Don W. Ricker 1987-9-2 870902- 12 Humboldt Loleta, along Cannibal Road 8 Comment
  CAS-BOT-BC73406  Pinus Doris Kildale Gillespie 1931-6-7 10587 Humboldt South Fork Mt., Blake Lookout. 1726 Comment
  JEPS46797  Pinus attenuata P. E. Goddard 1901-1 Humboldt Hupa region Comment
  LA6061  Pinus contorta H. E. Parks; May 1931 sn Humboldt Samoa Comment
  MACF019659  Pinus contorta E. R. Blakley 1966-8-17 6799 Humboldt Patrick's Point 5 mi. North of Trinidad. 60 Comment
  UCSB10482  Pinus contorta Phillips, Priscilla 1958-6-7 Humboldt Patrick's Point, north of Trinidad Comment
  NY49715  Pinus contorta var. contorta H. E. Parks 03 1938 24125 Humboldt Spruce Cove, Trinidad 61.0 Comment
  HSC54523  Pinus jeffreyi Overton, Butler 1979-7-23 9455 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  UC519311  Pinus jeffreyi Joseph P. Tracy 1983-8-30 13007 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
Read comments
Jun 28 2015
  HSC74337  Pinus lambertiana M. A. Baker 1980-5-18 1280 Humboldt Near Black Mtn. 1006 Comment
  UC55659  Pinus ponderosa P. E. Goddard 1901-7-12 66 Humboldt Hupa Comment
  UCD139013  Piperia elegans subsp. elegans Linda M. Barker 1976-7-5 1635 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC99421  Plagiobothrys hispidulus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 70 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UCD120865  Plagiobothrys reticulatus H. E. Parks 1937-7-1 24042 Humboldt Spruce Cove, Trinidad. 64 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
  OBI20599  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Trinity summit, meadow at Box Camp Comment
  RSA178574  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Trinity Summit; Meadow at Box Camp. 1463 Comment
  UC1222200  Plagiobothrys scouleri Joseph P. Tracy 1949-8-11 18452 Humboldt e of Korbel (at Hungry Hollow); Bald Mountain 762 Comment
  UC1222215  Plagiobothrys scouleri Joseph P. Tracy 1949-6-20 18322 Humboldt at Cameron Hill on the Kneeland Road Cameron Hill Comment
  UC54756  Plagiobothrys tenellus Harley P. Chandler May, 1901 1255 Humboldt Redwood Belt/Region North Coast Ranges 152 Comment
  RSA18012  Plantago hirtella var. galeottiana Carl B. Wolf 1927-8-22 781 Humboldt Big Lagoon. Comment
  HSC55109  Plantago lanceolata G. L. Clifton 1979-7-31 11853 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UCD124527  Plantago major Joseph P. Tracy 1942-7-25 17300 Humboldt Fickle Hill. 6 miles SE of Arcata. 609 Comment
  HSC48856  Platanthera dilatata var. leucostachys Brad Klipfel 1973-7-15 215 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC180198  Platanthera leucostachys Joseph P. Tracy 1914-7-4 4544 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  HSC99478  Platanthera sparsiflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 137 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp 1433 Comment
  UC275576  Platanthera sparsiflora Joseph P. Tracy 1923-6-24 6369 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC136647  Platanthera stricta Doris Kildale 1931-5-19 10684 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC169004  Plectritis brachystemon Joseph P. Tracy 1911-7-7 3381 1/2 Humboldt 3 mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC602529  Plectritis brachystemon Joseph P. Tracy 1932-5-22 10117 Humboldt between Miranda and Redway (North Coast Ranges, South Fork of Eel River); North Coast Ranges, South Fork Eel River 91 Comment
  SEINET6995401  Plectritis ciliosa Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Open burnt timber, saddle near east end of Bald Hills, southeast of Orick. Comment
  UC1239587  Plectritis congesta Joseph P. Tracy 1921-6-12 5814 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  BLMAR628  Plectritis congesta subsp. brachystemon Jennifer Wheeler 2011-6-15 628 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  UC1258192  Pleuropogon refractus Paul But with Grace Law 1976-5-15 P 28 Humboldt 3 mi n of Eureka (along Jacoby Creek Road); Jacoby Creek Comment
  UC1103793  Poa annua Joseph P. Tracy 1914-8-23 4588 Humboldt region about Humboldt Bay (forks of Elk River); Northern Coast Region 0 Comment
  UC180496  Poa annua Joseph P. Tracy 1914-5-14 4460 Humboldt Fort Seward; North Coast Ranges 121 Comment
  UC180497  Poa compressa Joseph P. Tracy 1913-7-20 4378 Humboldt at Berry Crossing Redwood Creek; Northern Coast Ranges 304 Comment
  UC70825  Poa douglasii Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6181 Humboldt Ferndale Comment
  RSA10115  Poa kelloggii Joseph P. Tracy 1926-4-25 7415 Humboldt Grizzly Creek on Van Duzen River 91 Comment
  CAS-BOT-BC254280  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, S of point of the Cape, near ocean shore 30 Comment
  HSC77908  Poa macrantha L. P. Janeway, Paul Wilson 1984-5-7 766 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  RSA92307  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, near ocean shore, south point of the Cape. 3 Comment
  CHSC10131  Poa pratensis R. V. Papike 1962-5-25 32 Humboldt Lawns of Arcata. Along roads. 91 Comment
  HSC102626  Poa pratensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC39722  Poa pratensis D. E. Anderson, J. P. Smith 1971-6-28 - 1254 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC99014  Poa secunda subsp. juncifolia Cara Witte 2007-5-29 124 Humboldt Along National Forest 1. Approximately 4 miles south of intersection National Forest 1 and 5N04. 1441 Comment
  UCD91738  Poa secunda subsp. secunda A. H. Murphy 1951-4-18 s.n. Humboldt Tooby and Prior Ranch, Blocksburg. 457 Comment
  HSC77513  Polycarpon tetraphyllum K. Berg 1984-5-6 567 Humboldt Stone Lagoon Spit. Comment
  HSC17226  Polygala californica Paul Shields 1955-6-12 Humboldt 6 mi. W of Myers Flat Comment
  JEPS43006  Polygala californica W. L. Jepson 1934-5-7 16704 Humboldt in woods at border Buckeye Prairie; Bull Creek Comment
  HSC54520  Polygala cornuta Overton, Butler 1979-7-23 9448 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  UC1198989  Polygala cornuta var. cornuta Joseph P. Tracy 1939-8-16 16414 Humboldt barren places Horse Mountain 1432 Comment
  SEINET10537775  Polygonum Mary Susan Taylor 1990-8-22 Taylor 6081 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  JEPS50493  Polygonum amphibium var. emersum Joseph P. Tracy 1927-5-14 8026 Humboldt Patterson Ranch Trinity River Valley, Willow Creek (pond) 152 Comment
  UC175841  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1912-7-31 3939 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1676 Comment
  UC672982  Polygonum hydropiper Joseph P. Tracy 1927-10-8 8386 Humboldt Boyes Ranch Prairie Creek 91 Comment
  UC672949  Polygonum lapathifolium Joseph P. Tracy 1930-10-12 9204 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  RSA178533  Polygonum minimum Joseph P. Tracy 1950-8-8 19281 Humboldt On trail betw Box Camp and Croghon Hole. 1677 Comment
  CAS-BOT-BC109179  Polygonum paronychia Joseph P. Tracy 1930-7-21 8890 Humboldt Cape Mendocino. South of point of the cape. 30 Comment
  UCR122370  Polygonum paronychia George K. Helmkamp, E. A. Helmkamp 2001-7-8 7018 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UCSB15544  Polygonum paronychia Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay. Comment
  UCSC000204  Polygonum paronychia H. S. Yates 1936-6-16 5656 Humboldt 0.5 mile S.W. of Samoa - Eureka 3 Comment
  CDA37208  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Near Trinidad; Patricks Point Drive at Seawood Drive, east of Hwy 101. Comment
  CDA2918  Polygonum sachalinense T. C. Fuller 1968-7-3 17447 Humboldt Northeast side of Highway 101 freeway overpass, Fields Landing. 0 Comment
  HSC98972  Polygonum sawatchense subsp. sawatchense Cara Witte 2008-7-2 799 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  CAS-BOT-BC421008  Polygonum spergulariiforme H. E. Parks; J. P. Tracy 1930-9-15 0767 Humboldt Bald Hills, Kneeland. Comment
  SEINET3404069 Image available Polygonum spergulariiforme Joseph P. Tracy 1908-6-27 2681 Humboldt NW slope of Buck Mountain, Little Van Duzen bridge Comment
  UC709395  Polypodium Joseph P. Tracy 1941-3-26 16835 Humboldt at Willow Creek Willow Creek; Trinity River Valley 152 Comment
  HSC1101  Polypodium californicum Paul Shields Apr 1955 Humboldt 5 mi. N of Arcata Comment
  HSC1122  Polypodium glycyrrhiza L. H. Myers 1963-2-15 50 Humboldt Sand dunes W of Lanpheres Rd. Mad River Slough area Comment
  SEINET192538 Image available Polypodium glycyrrhiza George Neville Jones 1936-3-22 Humboldt along the south fork of the Eel R. near Garberville Comment
  SEINET200790 Image available Polypodium glycyrrhiza Joseph P. Tracy 1936-3-8 14775 Humboldt Miranda; oak groved along South Fork of Eel River Comment
  HSC1112  Polypodium scouleri D. E. Anderson 1962-2-10 1918 Humboldt Old Hwy. 101, S of Trinidad Comment
  UC1481768  Polypodium scouleri Mrs. Carlotta C. Hall 1944-8-10 233 Humboldt 10 mi inland above Carlotta (on Van Duzen River and along rd. to Redding) Comment
  UCSB51220  Polypodium scouleri Almanza, Ed 1976-7-15 Humboldt Cemetary road, east of Hwy. 101, Trinidad 15 Comment
  CAS-BOT-BC233214  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek 152 Comment
  UC552696  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek; Northern Coast Ranges, Dobbyn Creek 152 Comment
  HSC79387  Polypogon monspeliensis Kenneth Clark 1979-7-1 459 Humboldt Shelter Cove. One beach at base of cliffs; first reef of Point Delgada headlands. 5 Comment
  UC1103194  Polypogon monspeliensis Joseph P. Tracy 1918-7-1 4966 Humboldt along Eel River from South Fork to Scotia Holmes Flat; Northern Coast Ranges, along Eel River 60 Comment
  SEINET4889908  Polypogon monspeliensis H. Ch 1901-1 1431 Humboldt North Coast Ranges, Klamath River 335 Comment
  RSA152378  Polypogon viridis Joseph P. Tracy 1943-8-29 17445 Humboldt [Unspecified] Comment
  RSA247492  Polystichum munitum Gary D. Wallace 1966-9-12 703 Humboldt Along Hwy. 299 E of Arcata near Willow Creek; Comment
  HSC93265  Polystichum munitum Gordon Leppig 1998-3-11 716 Humboldt Redwood Park, near Jolly Giant Cr. 91 Comment
  RSA66879  Polystichum munitum P. A. Munz 1951-7-15 16551 Humboldt Racoon Creek. 305 Comment
  SEINET4555668 Image available Polystichum munitum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15050 Humboldt Bolling Grove State Park. Comment
  CAS-BOT-BC410007  Populus X parryi Joseph P. Tracy 1932-5-1 9895 Humboldt Vicinity of Garberville 121 Comment
  CAS-BOT-BC102907  Populus trichocarpa Doris K. Kildale 1926-8-8 2471 Humboldt Dyerville Bridge 45 Comment
  CAS-BOT-BC453767  Potamogeton natans Larry DeBuhr; Gary Wallace 1973-5-19 1117 Humboldt Prairie Creek Redwood State Park; at Gold Bluff Beach Comment
  HSC59499  Potamogeton natans M. A. Ericksen 1979-4-20 209 Humboldt Northernmost Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  CAS-BOT-BC453908  Potamogeton pectinatus Henry M. Pollard 1946-8-13 s.n. Humboldt Near Harley place, Orleans region Comment
  HSC96466  Potentilla anserina subsp. pacifica Gordon Leppig 1997-8-3 638 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  HSC28182  Potentilla anserina subsp. pacifica Richard Curtis 1973-9-27 17 Humboldt Arcata, on the N side of 7th St. just before it crosses the freeway. Comment
  JEPS24329  Potentilla anserina subsp. pacifica Lincoln Constance 1934-6-18 903 Humboldt near South Fork R.R. Station and P.O. (border of North Dyerville Flat); South Fork Eel River, Bull Creek Region Comment
  UC1198685  Potentilla anserina subsp. pacifica Joseph P. Tracy 1933-6-6 12505 Humboldt Trinidad Trinidad (facing Ocean shore) 3 Comment
  HSC100909  Potentilla gracilis Carl C. Marshall Jun 1886 268 Humboldt Bald Hills. Comment
  HSC98450  Potentilla gracilis John Rehling 1974-7-12 11 .5 Humboldt Near the Bald Hills Rd., 23.5 mi. from Hwy. 101 Comment
  HSC102177  Potentilla gracilis var. fastigiata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1090 Humboldt Patterson Meadows 1555 Comment
  HSC58327  Potentilla gracilis var. fastigiata Overton, Butler 1979-8-2 12625 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC97464  Prosartes hookeri Cara Witte 2007-5-31 149 Humboldt Road to Board Camp Mountain Lookout. Along 4N38. 1/2 mile south of intersection with National Forest 1. 1330 Comment
  HSC100561  Prosartes menziesii Carl C. Marshall May 1886 51 Humboldt Damp woods. Comment
  UC1402064  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-7-19 628 -30 Humboldt Comment
  HSC56330  Prunus emarginata Overton, Butler 1979-8-2 12686 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  SEINET11917572  Prunus virginiana J. P. Tracy 1950-6-25 18881 Humboldt Burr Valley Rd, Buck Mt 1067 Comment
  POM288759  Pseudognaphalium californicum Lyman Benson 1928-7-11 458 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  CAS-BOT-BC357270  Pseudognaphalium microcephalum Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove Comment
  UC1199429  Pseudognaphalium ramosissimum Joseph P. Tracy 1900-9-9 945 Humboldt near Hydesville (gravel bar of creek); Yager Creek 60 Comment
  CAS-BOT-BC357606  Pseudognaphalium stramineum Joseph P. Tracy 1937-6-26 15364 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC582511  Pseudognaphalium stramineum Joseph P. Tracy 1937-6-26 15364 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  HSC29945  Pseudostellaria jamesiana D. H. Norris, J. Van Horn, D. E. Jackson 1973-6-19 193 Humboldt Humboldt National Forest, Santa Rosa Mtn. Range, Buffalo Canyon 1524 Comment
Read comments
Apr 11 2012
  CAS-BOT-BC361833  Psilocarphus oregonus Joseph P. Tracy 1938-7-5 16008 Humboldt Carlotta. By old Strong's District School House, 5 miles east of town 45 Comment
  UC1223051  Psilocarphus oregonus Joseph P. Tracy 1947-6-25 17720 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  UC1222913  Psilocarphus tenellus Joseph P. Tracy 1946-6-23 17597 Humboldt se end Kneeland Prairie (near the old Dan McBride place) 762 Comment
  HSC100525  Psoralea physodes Carl C. Marshall Jun 1885 11 Humboldt Pilot Creek. Comment
  HSC36438  Pteridium aquilinum var. pubescens John Rehling 1974-7-8 6 Humboldt County park at Big Lagoon Comment
  HSC55030  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-31 11466 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC55195  Pteridium aquilinum var. pubescens G. L. Clifton, Griswold 1979-8-2 12291 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC55265  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-8-2 12617 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 Comment
  UC503059  Pteridium aquilinum var. pubescens Joseph P. Tracy 1932-7-20 10732 Humboldt Corral Prairie Trinity Summit; Klamath Mts 1524 Comment
  HSC17977  Pyrola aphylla D. E. Anderson 1965-5-15 3685 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  CAS-BOT-BC462870  Pyrola asarifolia Doris K. Kildale 1927-7-10 3730 Humboldt Gans Prairie, Bald Hills Comment
  RSA0080627  Pyrola dentata S. S. Tillett 1956-7-6 617 Humboldt 11 mi. from Orlenas, on Bar Shanty Road. 1159 Comment
  UC1225818  Pyrola picta Joseph P. Tracy 1948-8-15 18148 Humboldt Trinity Summit, on ridge 2 miles east of Grove's Prairie 1524 Comment
  UC314638  Pyrola picta Joseph P. Tracy 1926-6-6 7556 Humboldt near summit on road w from Hoopa to Bair's, Hoopa Mountain, Northern Coast Ranges Hoopa Mountain; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  CAS-BOT-BC466034  Pyrola picta Doris K. Kildale 1927-7-23 3786 Humboldt Hoaglin Lake, near Lasseck's Peaks Comment
  SEINET200715  Pyrola picta Joseeph P. Tracy 1926-6-6 7556 Humboldt Near summit on road west from Hoopa to Bair's Comment
  UC32670  Pyrola picta Chesnut and Drew 1888-7-12 Humboldt Jarnigan's Comment
  HSC40858  Quercus chrysolepis Thomas W. Nelson 1976-7-9 2988 Humboldt Ridge S of the E peak of the Lassic Peak (Signal peak) group. 1707 Comment
  UCD82872  Quercus chrysolepis Rodney Gale Myatt 1971-9-21 1185 -14 Humboldt Near Orleans, northeast of Hoopa Reservation, along Klamath River. 185 Comment
  OBI36669  Quercus garryana var. garryana David J. Keil 1983-7-2 17343 Humboldt 21 mi S of SR 299 along Titlow HIll rd, SW of Willow Crk Comment
  UCD14098  Quercus garryana var. garryana John M. Tucker 1948-9-3 1849 Humboldt California, Humboldt Co.; southwest side of Horse Mountain, ca. 2 mi. south of Berry's Summit; Comment
  UC502988  Quercus kelloggii Joseph P. Tracy 1928-9-30 8510 Humboldt near Bridgeville; Northern Coast Ranges 304 Comment
  HSC41271  Quercus vacciniifolia Brad Klipfel 1974-6-25 417 Humboldt Horse Mtn. Comment
  HSC76360  Quercus vacciniifolia Denis Kearns 1981-7-6 81 Humboldt Near Mosquito Lake 1256 Comment
  HSC76363  Quercus vacciniifolia Denis Kearns 1981-6-24 18 Humboldt Near Cedar Camp 1219 Comment
  SEINET3130963  Quercus vacciniifolia Unknown 1948-9-3 1851 Humboldt Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest 1463 Comment
  UC1135804  Quercus vacciniifolia A. E. Wieslander 1931-5-19 204 Humboldt near Orleans; Klamath Forest, Hoopa Quad. Comment
  SEINET13716691  Ranunculus aquatilis Unknown 1913-6-13 4276 Humboldt In a shallow but permanent pond. Near summit of ridge between Van Duzen and Mad Rivers, on Dinsmore's Ranch. Comment
  UC184716  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1913-6-23 4276 Humboldt near summit of ridge between Van Duzen River and Mad River (in shallow but permanent pond); Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  JEPS93972  Ranunculus californicus Vernon Oswald 1998-4-16 8912 Humboldt n. end Trinidad State Beach (Elk Head, bluffs overlooking ocean) 30 Comment
  UC13971  Ranunculus flabellaris Chesnut and Drew 1888-8-1 Humboldt near Grouse Creek (pond) Comment
  HSC26638  Ranunculus lobbii Thomas W. Nelson 1971-5-31 447 Humboldt Vernal pond Comment
  UC1196225  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5453 Humboldt Phillipsville Flat Northern Coast Ranges, South Fork of Eel River 91 Comment
  SEINET200319  Ranunculus occidentalis J. T. Gregory 381 Humboldt Grouse Mtn near 'Clear Lake 1524 Comment
  UCD96739  Ranunculus occidentalis Joseph M. DiTomaso 1976-3-28 360 Humboldt Highway 299, 3 miles east of Willow Creek. 609 Comment
  HSC18172  Ranunculus occidentalis var. occidentalis J. Mustain 1963-4-27 40 Humboldt Big Lagoon Park Comment
  HSC99124  Ranunculus occidentalis var. occidentalis Cara Witte 2008-6-13 720 Humboldt Forest Service Road 4N32. 0.5 mi. N of intersection with Forest Service Road 4N32B. 1417 Comment
  HSC39588  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1976-6-22 2807 Humboldt Around Senteney Rock 1524 Comment
  HSC53862  Ranunculus orthorhynchus Griswold, Butler 1979-7-10 6338 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC75828  Ranunculus orthorhynchus var. bloomeri Bill Copeland 1980-7-2 312 Humboldt Near Snow Camp Mtn. 1311 Comment
  UC183728  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3604 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1196246  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1930-6-29 8817 Humboldt Buck Mountain Northern Coast Ranges (lower foothills of its nw slope, in stream-bed) 762 Comment
  UCD97062  Ranunculus orthorhynchus var. platyphyllus R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  UC1713273  Ranunculus pusillus Joseph P. Tracy 1919-5-31 5177 Humboldt opposite Willow Creek (shores of pond); Northern Coast Regions, Trinity River, Lack Pond 152 Comment
  POM118709  Ranunculus repens Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  POM87678  Ranunculus repens L. R. Abrams, Rimo Bacigalupi 1922-6-25 8276 Humboldt Big Lagoon S of Quick Comment
  HSC29783  Ranunculus repens var. repens Thomas W. Nelson 1970-6-11 602 Humboldt Adjacent to 4244 Fairway Dr., Eureka Comment
  HSC36258  Ranunculus repens var. repens John Rehling 1974-8-19 18 Humboldt Comment
  HSC55295  Ranunculus uncinatus Griswold, Butler 1979-7-10 6337 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC183766  Ranunculus uncinatus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3620 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC74183  Raphanus raphanistrum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  JEPS41986  Rhamnus californica subsp. californica W. L. Jepson 1936-8-12 17884 Humboldt Phillipsville South Fork Eel River Comment
  UC165816  Rhamnus californica subsp. californica Joseph P. Tracy 1909-7-31 3037 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC592943  Rhamnus californica subsp. californica Carl B. Wolf 1931-8-31 Humboldt near Mouth of South Fork of Trinity River (on road to Sandy Bar Swimming Hole) 243 Comment
  HSC37364  Rhododendron macrophyllum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 496 Humboldt Along Lost Man Creek. 38 Comment
  HSC7877  Rhododendron macrophyllum J. Sandborg, F. Sandborg May 1968 14 Humboldt Bluff Creek near Notice Creek, hillside 793 Comment
  UC562738  Rhododendron macrophyllum Joseph P. Tracy 1933-6-18 12609 Humboldt Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC1543140  Rhododendron occidentale Frank Gould, Kay Beach 1940-5-5 1041 Humboldt along coast near Trinidad Comment
  UC604659  Rhododendron occidentale Joseph P. Tracy 1938-6-16 15946 Humboldt Trinidad 60 Comment
  CDA21469  Rhododendron occidentale var. paludosum G. F. Hrusa, T. D. Wilfred 1992-5-5 9374 Humboldt North Coast Ranges; Mckinleyville Azalea Reserve. 30 Comment
  HSC44449  Rhododendron occidentale var. paludosum Brad Klipfel 1975-5-30 655 Humboldt N of Horse Mtn. Comment
  CAS-BOT-BC433132  Ribes Doris K. Kildale 1927-4-17 3076 Humboldt Bug Creek 792 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
  UC902080  Ribes bracteosum Joseph P. Tracy 1948-9-5 18165 Humboldt ne Hawkin's Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  RSA0025006  Ribes divaricatum Lyman Benson 1929-7-19 1875 Humboldt Mouth of Matole [Mattole] River. Comment
  UC667077  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1939-4-27 16227 Humboldt Mouth Little River 6 Comment
  HSC70894  Ribes inerme var. klamathense J. M. DiTomaso 1981-5-15 2000 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  UC902083  Ribes lacustre Joseph P. Tracy 1949-6-6 18300 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC1198907  Ribes laxiflorum J. P. Tracy 1901-6-10 1122 Humboldt immediate vicinity Eureka 0 Comment
  UC154117  Ribes laxiflorum J. P. Tracy 1909-4-18 2951 Humboldt immediate vicinity Eureka 0 Comment
  POM214934  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt Ridges east of Corral Prairie; Trinity Summit Comment
  UC1198937  Ribes marshallii Joseph P. Tracy 1932-7-15 10591 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC206035  Ribes menziesii Alice Eastwood 1921-7-21 10654 Humboldt Carlotta Comment
  CAS-BOT-BC206044  Ribes menziesii Doris K. Kildale 1928-2-19 4272 Humboldt Patrick's Point Comment
  UC1198934  Ribes menziesii Joseph P. Tracy 1918-5-12 4933 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC667055  Ribes menziesii Joseph P. Tracy 1939-3-19 16204 Humboldt Blue Slide Van Duzen River 91 Comment
  RSA0021768  Ribes menziesii Joseph P. Tracy 1948-3-6 17953 Humboldt Trinidad. 61 Comment
  BLMAR666  Ribes menziesii var. menziesii Jennifer Wheeler 2012-7-12 666 Humboldt King range, Strawberry rock 253 Comment
  HSC56094  Ribes nevadense G. L. Clifton, Griswold 1979-7-31 11798 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC492204  Ribes roezlii Joseph P. Tracy 1930-8-3 9144 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Van Duzen River 670 Comment
  JEPS49188  Ribes roezlii var. amictum Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville 121 Comment
  HSC55321  Ribes roezlii var. cruentum Griswold, Butler 1979-7-10 7119 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  CAS-BOT-BC211977  Ribes sanguineum Joseph P. Tracy 1949-8-11 18450 Humboldt Hungry Hollow, Bald Mountain 762 Comment
  CAS-BOT-BC212521  Ribes sanguineum Harley P. Chandler 1901-6-1 1287 Humboldt Hupa Indian Reservation 1097 Comment
  HSC20335  Ribes sanguineum D. B. Bader 1963-2-17 31 Humboldt Second of the Clam Beach Lagoons W of Hwy. 101 Comment
  UC1039819  Ribes sanguineum J. I. Mallory 1956-4-27 126 Humboldt 1.5 mi w Petrolia (at head of Jeffrey Gulch, Humboldt base and Mer.); Quad. 28-B4 167 Comment
  RSA0019531  Ribes sanguineum R. D. Zortman 1963-4-7 17 Humboldt 5 miles NE of Arcata; south of the Mad River, off Warren Creek Rd. 91 Comment
  CAS-BOT-BC144679  Ribes sanguineum var. glutinosum Doris K. Kildale 1926-8-8 2479 Humboldt Dyerville, south Fork of Eel River 51 Comment
  HSC22045  Ribes sanguineum var. glutinosum B. D. Rogers, D. E. Anderson 1965-4-1 411 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  JEPS49335 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1925-4-5 6960 Humboldt at crossing of Kneeland Road (Lawrence Creek); Northern Coast Ranges 609 Comment
  UC1127604 Image available Ribes sanguineum var. glutinosum R. Stahelin 1933-5-15 Humboldt Freshwater Eureka Quadrangle Comment
  UC1127607  Ribes sanguineum var. glutinosum A. E. Wieslander 1931-7-28 246 Humboldt Railroad Creek, Crannell Eureka Quadrangle Comment
  UC154116  Ribes sanguineum var. glutinosum J. P. Tracy 1909-3-29 2948 Humboldt immediate vicinity Eureka 0 Comment
  UCD102493  Ribes sanguineum var. glutinosum Linda M. Barker 1976-3-11 1323 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UCR179227  Ribes sanguineum var. glutinosum R. G. Swinney 1968-3-28 233 Humboldt East of Humboldt State College, Arcata 152 Comment
  CAS-BOT-BC173989  Ribes viscosissimum Doris K. Kildale 1925-8-17 1199 Humboldt Trinity Summit 1917 Comment
  CDA25591  Ribes viscosissimum Gordon Leppig 1998-6-1 865 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. 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
  HSC56193  Ribes viscosissimum Gilbert Muth 1979-8-1 12134 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC84930  Romanzoffia californica R. N. Raynor 1935-4-8 Humboldt Fort Seward Comment
  SD129723  Romanzoffia californica Barbara Ertter, Thomas J. Delendick 1987-5-16 6937 Humboldt 3 mi E of Berry Summit on Hwy 299, ca 20 airmiles E of Arcata; base of large volcanic roack on S side of road above Willow Creek 800 Comment
  UC1199221  Rorippa curvisiliqua Joseph P. Tracy 1934-7-9 13350 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  JEPS53849  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  RSA43862  Rorippa curvisiliqua H. M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  UC161485  Rorippa curvisiliqua J. P. Tracy 1906-7-1 2519 Humboldt vicinity Eureka; vicinity Eureka 0 Comment
  UC495640  Rorippa curvisiliqua Joseph P. Tracy 1932-10-30 10902 Humboldt Eel River on gravel bars Alton Fortuna; Northern Coast Region, Eel River 15 Comment
  CAS-BOT-BC147435  Rosa californica Doris K. Kildale; L. B. Kildale 1930-5-24 9545 Humboldt Hoopa Valley 152 Comment
  JEPS47282  Rosa eglanteria W. L. Jepson 1936-8-15 17902 Humboldt Strongs station Van Duzen River, Grizzly Creek Comment
  BLMAR535  Rosa gymnocarpa Jennifer Wheeler 2009-6-23 535 Humboldt King range, On Paradise Ridge road Comment
  CAS-BOT-BC146497  Rosa gymnocarpa J. H. Thomas 1949-6-13 905 Humboldt Between Le Perrin Flat and Whiteys Peak, along trail. (East of town of Orleans) 1066 Comment
  HSC45400  Rosa gymnocarpa Thomas W. Nelson, Jane P. Nelson 1977-7-1 3571 Humboldt Along N side of ridge between Bear and Blanket Creeks 1494 Comment
  HSC70507  Rosa gymnocarpa Gail Newton 1980-7-20 1647 Humboldt Near Bell Swamps 1426 Comment
  HSC74196  Rosa gymnocarpa M. A. Baker 1980-7-23 3167 Humboldt Near Orleans Mtn. 1859 Comment
  JEPS45643  Rosa nutkana var. nutkana Joseph P. Tracy 1923-10-6 6564 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC1199023  Rosa nutkana var. nutkana Joseph P. Tracy 1924-9-21 6892 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC902163  Rosa nutkana var. nutkana Joseph P. Tracy 1942-6-15 17131 Humboldt near Redcrest resort; Englewood 91 Comment
  CAS-BOT-BC148341  Rosa pisocarpa L. R. Abrams 1916-7-18 6077 Humboldt Between Arcata & Trinidad Comment
  CAS-BOT-BC148344  Rosa pisocarpa Joseph P. Tracy 1949-8-7 18436 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  HSC89515  Rubus armeniacus M. Roantree 1985-6-10 81 Humboldt East side of Trinidad Head Comment
  POM182019  Rubus laciniatus F. W. Peirson 1923-7-10 3755 Humboldt Wood border opening near road about 6 miles N of Garberville. Comment
  HSC98453  Rubus leucodermis Gail Newton 1980-8-10 2054 Humboldt Near Blake Mtn. 1707 Comment
  UC162332  Rubus leucodermis Joseph P. Tracy 1911-6-4 3235 Humboldt 5 mi from coast (along Little River); Northern Coast Region, along Little River 121 Comment
  CAS-BOT-BC147241  Rubus parviflorus E. A. McGregor 1921-8-17 s.n. Humboldt On old abandoned road grade S.E. of Orick Comment
  HSC19672  Rubus parviflorus R. I. Bonn 1965-5-9 47 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC77922  Rubus parviflorus L. P. Janeway, Paul Wilson 1984-5-7 768 Humboldt Near Coast Guard Station, N Spit of Humboldt Bay 3 Comment
  UC461843  Rubus spectabilis Chestnut and Drew July 1888 Humboldt near Arcata Comment
  UCD113808  Rubus spectabilis Linda M. Barker 1976-3-22 1345 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  RSA0009569  Rubus spectabilis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC100639  Rubus ursinus Carl C. Marshall Mar 1886 138 Humboldt Everywhere. Comment
  HSC96508  Rubus ursinus Gordon Leppig 1999-4-15 1115 Humboldt Big Lagoon County Park Comment
  UCD17618  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 046 Humboldt California. Humboldt County: 6.6 miles north of Ettersburg on road to Honeydew. Comment
  HSC76208  Rudbeckia klamathensis Overton, Butler 1979-8-2 12527 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1199269  Rudbeckia occidentalis Joseph P. Tracy 1932-7-20 10727 Humboldt at Corral Prairie; Trinity Summit 1584 Comment
  UC672931  Rumex acetosella Joseph P. Tracy 1930-7-17 9028 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC97647  Rumex acetosella Kevin Thomas 2004-4-26 18 Humboldt Stewart Ave Comment
  HSC73636  Rumex californicus M. A. Baker 1980-7-22 3128 Humboldt Near Grogan Hole. 1676 Comment
  HSC99572  Rumex californicus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 237 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
  CHSC31287  Rumex crispus Mark Stopher 1980-6-4 100 Humboldt In diked off upland habitat along Elk River near Hwy 101 bridge. 1 Comment
  HSC60366  Rumex crispus Terry Roth 1979-5-26 87 Humboldt Near jct. of Sunset Ave. and H St., Arcata Comment
  SEINET11946618  Rumex obtusifolius C. S. Kaut 2000-1 6 Humboldt Trinidad Comment
  HSC36319  Rumex persicarioides Thomas W. Nelson 1975-8-10 2242 Humboldt At Shively Comment
  CAS-BOT-BC454159  Ruppia maritima Robert F. Thorne; P. Everett 1965-8-7 35208 Humboldt Samoa Peninsula: Elev. c. near sea level Comment
  UC1103532  Sagina apetala Joseph P. Tracy 1946-6-23 17598 Humboldt roadside near Dan McBride place Kneeland Prairie 762 Comment
  UCSB34196  Salicornia pacifica Kearns, Dennis 1979-8-24 Humboldt In mean tide area of Arcata Bay, on periphery near the Arcata Boat Launching Facility at the South end of "I" Street Comment
  CDA15324  Salicornia perennis R. Spadoni 1998-10-5 s.n. Humboldt North Coast; Near Loleta. 0 Comment
  JEPS93176  Salicornia virginica Margriet Wetherwax and Kevin Downing 1993-8-9 2456 Humboldt just n of Eureka (on e side of Humboldt Bay, s side of Eureka Slough, near Bayside Road and Myrtle, just past Pigeon Point); Humboldt Bay, Eureka Slough 5 Comment
  CAS-BOT-BC132710  Salix A. T. Whittemore 1980-3-15 80 -004 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC103455  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  UC1173612  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14265 Humboldt meadows at Water Dog Lakes; Trinity Summit 1828 Comment
  SBBG29091  Salix exigua var. hindsiana C. R. Ball, H. Parks, J. Tracy 1932-5-17 1335 Humboldt above Trinity River, 1 mi below bridge on Trinity Hwy 152 Comment
  CAS-BOT-BC104113  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01335 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC106856  Salix hookeriana Harold E. Parks 1931-8-1 01053 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107736  Salix hookeriana Harold E. Parks 1931-5-28 1000 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107767  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1207 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad Comment
  CHSC9659  Salix hookeriana E. L. Smith 1971-8-17 1029 Humboldt Between highway and beach at Trinidad. Comment
  HSC40380  Salix hookeriana Linda M. Barker 1976-3-22 1341 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC90433  Salix hookeriana Jean Hanson 1980-3-8 18 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC96357  Salix hookeriana Gordon Leppig 1999-4-15 1118 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC98009  Salix hookeriana Cara Witte 2007-7-26 593 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  JEPS13089  Salix hookeriana Joseph P. Tracy 1936-10-24 15203 Humboldt Fortuna; bank of Eel River 15 Comment
  JEPS38444  Salix hookeriana Joseph P. Tracy 1918-4-7 4863 Humboldt Strawberry Creek Northern Coast Ranges, Dows Prairie Sand Dunes (at mouth) 6 Comment
  LA208761  Salix hookeriana Harold E. Parks; 1931-3-24 914 Humboldt Fortuna, on banks of Eel River 10.0 Comment
  RSA178540  Salix hookeriana Joseph P. Tracy 1950-9-10 19366 Humboldt On foothills of Cape Ridge. 0.5 mile S of town. 1 mile inland from Cape Mendocino. 61 Comment
  UC1196681  Salix hookeriana Joseph P. Tracy 1919-3-30 5123 Humboldt Jacoby Creek Northern Coast Ranges, around Humboldt Bay (near the quarry) 91 Comment
  UC176176  Salix hookeriana Joseph P. Tracy 1913-9-21 4413 Humboldt Humboldt Bay Northern Coast Region (dunes of ocean beach) Comment
  UC470438  Salix hookeriana Joseph P. Tracy 1931-9-19 9674 Humboldt on Van Duzen R. Alton; Northern Coast Region, , Van Duzen R. 30 Comment
  UC481352  Salix hookeriana Harold E. Parks 1931-5-12 955 Humboldt Samoa Humboldt Bay, Samoa 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
  UC518898  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 4 Humboldt around Eureka Comment
  UC526715  Salix hookeriana Joseph P. Tracy 1934-6-28 13267 Humboldt Salmon Creek Valley around Humboldt Bay Northern Coast Ranges, Humboldt Bay, Salmon Creek Valley 9 Comment
  CDA39526  Salix hookeriana Gordon Leppig 2005-4-8 2203 Humboldt Humboldt Bay Dunes and Wetlands; North Spit, south end of Peninsula Drive. Comment
  CDA39527  Salix hookeriana Gordon Leppig 1999-4-15 1120 Humboldt Big Lagoon County Park; Big Lagoon Bog. Comment
  POM219697  Salix hookeriana var. tomentosa H. E. Parks 1931-5-12 956 Humboldt Samoa. Humboldt Bay. Near sea level. 0 Comment
  UC481801  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 267 Humboldt between Miranda and Meyers (Sylvandale Station, S. Fork Eel R.); Sylvandale Station, S. Fork Eel R. Comment
  UC1196577  Salix lasiandra subsp. lasiandra J. P. Tracy 1901-3-31 995 Humboldt immediate vicinity Eureka 0 Comment
  UC504056  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 3 Humboldt around Eureka Eureka Comment
  UC519384  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-5-20 12267 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  SJSU164  Salix lasiandra var. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UCD111531  Salix lasiandra var. lasiandra Linda M. Barker 1976-9-3 1690 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC107586  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1317 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107588  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1318 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  HSC20008  Salix lasiolepis J. P. Tracy 1933-4-2 10961 Humboldt Berry's Mt. on Trinity Hwy. E of Redwood Creek 762 Comment
  JEPS12909  Salix lasiolepis Joseph P. Tracy 1927-4-10 7885 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12910  Salix lasiolepis Joseph P. Tracy 1927-3-27 7870 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS14780  Salix lasiolepis Joseph P. Tracy 1933-4-9 10964 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  LA208776  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11006 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  LA208777  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11005 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  UC1196616  Salix lasiolepis Joseph P. Tracy 1934-3-4 13143 Humboldt Miranda South Fork of Eel River 121 Comment
  UC1196623  Salix lasiolepis Joseph P. Tracy 1932-10-12 10874 Humboldt Miranda Northern Coast Ranges, South Fork of Eel River 121 Comment
  UC275524  Salix lasiolepis Joseph P. Tracy 1923-4-15 6189 Humboldt Redwood Creek, at Berry's 274 Comment
  UC303034  Salix lasiolepis Joseph P. Tracy 1926-5-1 7451 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469439  Salix lasiolepis Joseph P. Tracy 1931-11-8 9753 Humboldt Blue Slide Van Duzen River 91 Comment
  UC490543  Salix lasiolepis Joseph P. Tracy 1932-5-10 9958 Humboldt near Petrolia; Northern Coast Ranges, Mattole River 15 Comment
  CAS-BOT-BC107287  Salix lasiolepis var. bigelovii Joseph P. Tracy 1933-3-19 10934 Humboldt along Van Duzen R. 228 Comment
  CAS-BOT-BC107407  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3149 Humboldt Redwood Creek at Berry's 289 Comment
  CHSC9644  Salix lucida subsp. lasiandra E. L. Smith 1971-8-17 1015 Humboldt South fork of Trinity River on Hwy 299 at Sayler. 487 Comment
  CAS-BOT-BC125625  Salix melanopsis Joseph P. Tracy 1932-4-17 9798 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC125640  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0972 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  JEPS12935  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  RSA5689  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  SBBG57953  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 967 Humboldt mouth of Willow Crk at Trinity River 150 Comment
  UC1196564  Salix melanopsis Joseph P. Tracy 1931-5-3 9347 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC470456  Salix melanopsis Joseph P. Tracy 1931-9-7 9647 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC470457  Salix melanopsis Joseph P. Tracy 1931-9-7 9647 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481285  Salix melanopsis Harold E. Parks 1931-5-14 960 Humboldt Van Duzen R. between Alton and Carlotta; Van Duzen R. 15 Comment
  UC481311  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 974 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC481384  Salix melanopsis Harold E. Parks 1931-3-26 909 Humboldt on Van Duzen R. Alton; Van Duzen R. 15 Comment
  UC490558  Salix melanopsis Joseph P. Tracy 1932-5-10 9960 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC511995  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1237 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  CAS-BOT-BC129156  Salix scouleriana Doris K. Kildale 1926-11-26 2836 Humboldt Pine's Pasture - Eureka Comment
  CAS-BOT-BC129167  Salix scouleriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1228 Humboldt Near the coast, 1 mile north of Samoa, approximately at sea level. Comment
  POM160284  Salix scouleriana Joseph P. Tracy 1926-7-25 7753 Humboldt Big Lagoon 6 Comment
  POM209563  Salix scouleriana H. E. Parks 1933-1-24 1353 Humboldt Spruce Grove (Parks Ranch). Trinidad. Comment
  UC490536  Salix scouleriana Joseph P. Tracy 1932-7-13 10518 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UC490540  Salix scouleriana Joseph P. Tracy 1932-7-20 10739 Humboldt on trail below Corral Prairie; Klamath Mts., Trinity Summit 1371 Comment
  CAS-BOT-BC128960  Salix sitchensis Joseph P. Tracy 1932-7-18 10724 Humboldt Rocky exposed places, head of Brett Hole - Klamath Mountains 1828 Comment
  CAS-BOT-BC128989  Salix sitchensis Joseph P. Tracy 1934-3-25 13168 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CHSC13719  Salix sitchensis E. L. Smith 1971-8-17 1020 Humboldt On the Van Duzen River ca. 18 mi s of Eureka. Comment
  HSC90192  Salix sitchensis Jean Hanson 1980-3-8 6 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC90381  Salix sitchensis Jean Hanson 1980-3-8 11 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC20134  Salix tracyi J. P. Tracy 1933-3-19 10932 Humboldt Blue Slide, Van Duzen River 91 Comment
  JEPS12747  Sambucus mexicana W. L. Jepson 1932-7-24 16390 Humboldt Mail Ridge 914 Comment
  UC154205  Sanguisorba annua Joseph P. Tracy 1908-6 2816 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC26344  Sanicula arctopoides Thomas W. Nelson 1971-4-12 377 Humboldt S spit of Humboldt Bay. Comment
  UC154105  Sanicula arctopoides J. P. Tracy 1901-4-14 1018 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  HSC48062  Sanicula crassicaulis Thomas W. Nelson 1978-4-23 3886 Humboldt N of Samoa Comment
  UC1197096  Sanicula crassicaulis Joseph P. Tracy 1925-3-29 6949 Humboldt Northern Coast Ranges, Miranda, South Fork Eel River South Fork Eel River; Northern Coast Ranges, Miranda, South Fork Eel River 91 Comment
  HSC55730  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-7-26 10214 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  JEPS1004  Sanicula graveolens Joseph P. Tracy 1929-7-4 8614 A Humboldt French Camp Ridge 1066 Comment
  CHSC60487  Sanicula tracyi Lisa D. Hoover 1992-6-16 Humboldt Six Rivers National Forest. East side of Whiting Ridge off Route 1 before 'Last Chance Ridge' approximately 27 miles off Hwy 299. 1267 Comment
  HSC48975  Sanicula tracyi Bruce Miner, Bob Easton 1979-5-29 Humboldt At east approach to State Route 36 bridge over Van Duzen River 747 Comment
  UC1222809  Sanicula tracyi Joseph P. Tracy 1950-4-20 18606 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); along Van Duzen River, opposite Buck Mountain 762 Comment
  HSC74271  Sanicula tuberosa M. A. Baker 1980-5-23 1378 Humboldt Near Buck Mtn. 1524 Comment
  POM266005  Saxifraga mertensiana Lincoln Constance, Reed C. Rollins 1942-5-11 2869 Humboldt 3 miles W of East Fork of Willow Creek. Comment
  RSA43848  Saxifragopsis fragarioides H. M. Pollard 1947-9-1 s.n. Humboldt Peak of Somes Mountain, near Orleans 1524 Comment
  HSC7488  Schoenoplectus californicus P. W. Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  JEPS95079  Schoenoplectus pungens var. badius Vernon Oswald and Lowell Ahart 1997-9-4 8848 Humboldt Big Lagoon County Park, at sw edge of Big Lagoon, entering lagoon at boat ramp Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  CAS-BOT-BC111700  Schoenoplectus pungens var. longispicatus D. E. Breedlove 1962-6-7 3053 Humboldt On extensive sand dunes 1.5 mi S of Samoa on peninsula on W side of Humboldt Bay. Comment
  UC1541349  Scirpus acutus var. occidentalis H. E. and S. T. Parks 1930-9-14 771 Humboldt Big Lagoon Comment
  UC249744  Scirpus maritimus Joseph P. Tracy 1924-9-28 6907 Humboldt Centerville Northern Coast Ranges, Centerville (in tule swapm near the ocean beach) 3 Comment
  HSC102057  Scirpus microcarpus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 962 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC7273  Scirpus microcarpus R. S. White 1965-5-18 87 Humboldt 0.5 mi. off Hwy. 101 on road to Crannel Comment
  UCSB55386  Scirpus microcarpus Wolf, Carl 1937-9-11 Humboldt Redwood Highway, 3 mi. N of Orick at Davison's Ranch; on Prairie Creek 60 Comment
  UC1197793  Scoliopus bigelovii Mrs. Harriet Tracy 1909-3-5 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC30090  Scoliopus bigelovii Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5299 Humboldt Hubbard's Station North Coast Ranges, Hubbard's Station Comment
  HSC15635  Scoliopus bigelovii D. E. Anderson 1962-3-17 1938 Humboldt Comment
  CHSC31329  Scrophularia californica Mark Stopher 1980-6-4 87 Humboldt Along roadside and along Elk River near Rte 101 bridge. 1 Comment
  HSC12558  Scrophularia californica D. La Conte 1970-7-7 20 Humboldt Comment
  HSC21128  Scrophularia californica C. B. Wolf 1927-8-29 1207 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC90314  Scrophularia californica Jean Hanson 1981-5-10 139 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, W end of island Comment
  RSA79453  Scrophularia californica F. W. Peirson 1926-7-13 7053 Humboldt Vicinity of Blue Lake, Mad River. Comment
  JEPS62913  Scutellaria antirrhinoides Lincoln Constance 1934-5-23 614 Humboldt upper end of Look Prairie (South Fork Eel River); Bull Creek Region, , Look Prairie 365 Comment
  HSC45581  Scutellaria tuberosa Diane L. Reed 1978-5-7 47 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC1239711  Scutellaria tuberosa Joseph P. Tracy 1939-5-14 16296 Humboldt along Van Duzen River (Dinsmore's); , Dinsmore's 746 Comment
  HSC57960  Sedum divergens G. L. Clifton, Griswold 1979-7-31 11660 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC57963  Sedum divergens G. L. Clifton, Griswold 1979-7-31 11770 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC58203  Sedum laxum Walter Overton 1979-8-1 12309 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  HSC56423  Sedum obtusatum subsp. retusum Griswold, Butler 1979-7-10 7112 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC98691  Sedum radiatum Cara Witte 2008-7-7 837 Humboldt Horse Mountain Botanical Area. 6N38. 1 mile southeast of Horse Mountain Mine. 1312 Comment
  SBBG2669  Sedum spathulifolium H. and M. Dearing 1939-5-24 3439 Humboldt cliffs above Ferndale Comment
  JEPS25682  Sedum spathulifolium P. C. Hutchison 1961-5-21 2005 A Humboldt hiway US 101, 1/2 mi s Holbrook Grove boundary (1/2 mi n of Redway, 3 1/4 mi n of Garberville, rocks e of hiway facing nw); s of Holbrook Grove boundary, n of Redway, n of Garberville 167 Comment
  JEPS48063  Sedum spathulifolium W. L. Jepson 1902-6-20 1908 Humboldt Hubbard's Station to Main Eel River; Hubbard's Station to Main Eel River Comment
  HSC59656  Sedum spathulifolium var. pruinosum Michael Dalke 1979-5-10 78 Humboldt Elk Head, 1/2 mi. W of Stagecoach Dr. at College Cove 30 Comment
  HSC89507  Sedum spathulifolium var. pruinosum M. Roantree 1985-6-11 89 Humboldt W side of Trinidad Head, W of trail Comment
  HSC63239  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-6-7 801 Humboldt Hwy. 299, 3 km N of Berry Summit Comment
  HSC100143  Selaginella kraussiana G. F. Hrusa, R. Bencie, L. Bencie, C. Dogwin, and E. Dogwin 2010-12-29 18277 Humboldt Forest E of Humboldt State University, above Fern Lake 47 Comment
  CDA42470  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway. Comment
  CAS-BOT-BC62182  Selaginella oregana Mrs. A. W. Kildale 1925-1-26 s.n. Humboldt Hungry Hollows, 5-6 mi east of Korbel Comment
  CDA42469  Selaginella wallacei L. P. Janeway & B. Castro 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 Comment
  RSA137269  Selaginella wallacei Ira L. Wiggins 1957-6-20 14136 Humboldt 8.5 miles S of Ferndale. Comment
  UC201252  Senecio aronicoides Chestnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  CAS-BOT-BC363808  Senecio integerrimus var. exaltatus Doris K. Kildale 1926-4-11 1763 Humboldt McLellan Mountain 822 Comment
  HSC82111  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-5-25 5250 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  UC169342  Senecio integerrimus var. major Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3632 Humboldt near Bucksport; Northern Coast Region, Eureka 0 Comment
  UC249532  Senecio integerrimus var. major Joseph P. Tracy 1922-6-12 6087 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC91378  Senecio integerrimus var. major Harley P. Chandler June 1901 1274 Humboldt Hupa Indian Reservation North Coast Ranges 1036 Comment
  UC581704  Senecio integerrimus var. major Joseph P. Tracy 1928-5-6 8429 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1223047  Senecio jacobaea Joseph P. Tracy 1946-8-18 17626 Humboldt e side along highway Big Lagoon Comment
  SEINET9305918  Senecio serra Unknown 1948-9-3 1857 Humboldt Near jct of Friday Ridge Rd and Horse Mtn-Grouse Mtn Rd. Growing on the borders of a pond near Clear Lake. Herbarium, Carnegie Museum (CM), Pittsburgh, PA. Comment
  HSC67893  Senecio vulgaris J. P. Smith 1973-5-26 6840 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  CHSC55650  Sequoia sempervirens Dennis W. Morris 1991-4-24 20 Humboldt 2 mi e of Humboldt State Univ. in Redwood Park. Coastal mountains. 115 Comment
  BLMAR388  Sericocarpus oregonensis Jennifer Anthony-Wheeler 2004-9-1 388 Humboldt Horse Mtn, 18 miles up titlowhill rd 1584 Comment
  UC1541655  Sherardia arvensis Harold E. Parks Jun 1935 4995 Humboldt Trinidad; Spruce Cove Comment
  CAS-BOT-BC205566  Sidalcea malachroides Joseph Burtt Davy; Walter C. Blasdale 1899-6-13 5482 Humboldt Camp Grant Comment
  CAS-BOT-BC205568  Sidalcea malachroides Doris K. Kildale 1927-7-2 3628 Humboldt Lord-Ellis road Comment
  HSC96274  Sidalcea malachroides Gordon Leppig 2002-5-22 1710 Humboldt Van Duzen River Watershed, Redwood House Rd. Simpson Timber Co. 540 Comment
  JEPS67222  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata 609 Comment
  SBBG4711  Sidalcea malachroides H. and M. Dearing 1939-5-24 3428 Humboldt Cape Mendocino 121 Comment
Read comments
Oct 29 2014
  UC1197964  Sidalcea malachroides Joseph P. Tracy 1937-6-20 15358 Humboldt s Ferndale (Wild Cat Ridge); s of Ferndale, Wild Cat Ridge 457 Comment
  UC1197967  Sidalcea malachroides Joseph P. Tracy 1918-6-9 4952 Humboldt at Eureka; Northern Coast Ranges, at Eureka 0 Comment
  UC1197974  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1935-6-23 13978 Humboldt French Camp Ridge 1066 Comment
  HSC35603  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2009 Humboldt French Camp, Bald Hills. Comment
  UC668134  Sidalcea malviflora subsp. patula Joseph P. Tracy 1936-6-9 14877 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC902193  Sidalcea malviflora subsp. patula Joseph P. Tracy 1946-5-30 17546 Humboldt 5 mi e Carlotta (open flat by old Strong's District School House); e of Carlotta 60 Comment
  UC902190  Sidalcea oregana subsp. eximia Joseph P. Tracy 1949-8-11 18461 Humboldt Snow Camp 1432 Comment
  POM209753  Sidalcea oregana subsp. spicata Joseph P. Tracy 1932-7-10 10382 Humboldt Trinity Summit Corral Prairie, in wet meadow Comment
  HSC71746  Silene M. A. Baker 1980-6-26 2430 Humboldt Near Sims Creek 610 Comment
  HSC41202  Silene bernardina Thomas W. Nelson, Jane P. Nelson 1977-7-4 3602 Humboldt Along old trail above Alder Springs 1555 Comment
  UC1541414  Silene californica H. E. and S. T. Parks June 1928 258 Humboldt Longvale 182 Comment
  JEPS23250  Silene campanulata Joseph P. Tracy 1932-7-18 10704 Humboldt head of Brett Hole , head of Brett Hole (Trinity Summit) 1828 Comment
  HSC58156  Silene campanulata subsp. glandulosa G. L. Clifton, Griswold 1979-8-2 12208 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  RSA135349  Silene campanulata subsp. glandulosa Volney Rattan 1883 Humboldt Hoopa Valley. Comment
  RSA43853  Silene campanulata subsp. glandulosa H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1220 Comment
  CHSC33021  Silene gallica James Payne Smith Jr. 1970-6-7 3804 Humboldt 0.6 miles north of Luffenholtz Beach along Calif. 1 near Trinidad. Comment
  HSC4188  Silene gallica J. E. Lankila 1962-5-14 23 Humboldt W bank of river at Fernbridge Comment
  HSC48611  Silene gallica Mark Flippo 1978-5-18 62 Humboldt Hwy. 101 N jct. with Giuntoli Lane Comment
  JEPS23246  Silene hookeri Joseph P. Tracy 1939-5-14 16283 Humboldt lower foothills of nw slope Buck Mountain 914 Comment
  CAS-BOT-BC389054  Silene laciniata subsp. californica Doris K. Kildale 1928-6-24 7060 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC389069  Silene laciniata subsp. californica W. R. Dudley 1899-6-20 s.n. Humboldt South Fork of Eel River Comment
  CAS-BOT-BC389051  Silene laciniata subsp. californica J. Clausen 1932-9-17 676 Humboldt On a roadbank between Willow Creek and Redwood Creek 304 Comment
  UC180226  Sinapis arvensis Joseph P. Tracy 1914-10-11 4635 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC1198794  Sisymbrium officinale Joseph P. Tracy 1904-7-24 2125 Humboldt immediate vicinity of Eureka 0 Comment
  RSA366962  Sisyrinchium bellum Bonnie C. Templeton 1964-6-13 10183 Humboldt Near old Highway 101 to Trinidad Comment
  SEINET3876425  Sisyrinchium bellum C. C. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge.; 0 33 Comment
  UC1541352  Smilacina stellata W. K. Parks July 1933 Humboldt South Fork Mountain Comment
  UC30080  Smilacina stellata Joseph Burtt Davy Jun 21 1899-Jun 23 1899 5834 Humboldt 300 ft below summit; Trinity Summit Comment
  UC585976  Solanum americanum Joseph P. Tracy 1934-11-4 13698 Humboldt Shively 30 Comment
  HSC21296  Solanum aviculare A. H. Teshima 1963-4-20 21 Humboldt Moonstone Beach area Comment
  HSC61867  Solanum aviculare John Sanders 1980-9-22 Humboldt Crannell, L side of trail N of Christie Ranch 61 Comment
  POM319387  Solanum laciniatum Patricia Wilder 1968-8-21 4405 Humboldt Northern coastal arm of Humboldt Bay, ca 2 miles SW of Samoa. Humboldt Bay drainage area. 5 Comment
  UC1196153  Solanum umbelliferum Joseph P. Tracy 1934-6-20 13240 Humboldt Carlotta; Northern Coast Ranges, Carlotta 60 Comment
  UC902078  Solanum umbelliferum Joseph P. Tracy 1949-5-8 18293 Humboldt 5 mi e (of town) Carlotta (by old Strong's District School House) 60 Comment
  BLMAR139  Solanum xanti Donald Hazlett 1994-6-7 139 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC175192  Solidago elongata Joseph P. Tracy 1913-9-9 4397 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  HSC100448  Solidago elongata Carl C. Marshall Sep 1887 441 Humboldt Near tunnel, Table Bluff. Comment
  RSA246920  Solidago spathulata R. F. Thorne, Percy C. Everett 1965-8-5 35164 Humboldt Samoa Dunes 3 Comment
  UC88159  Solidago spathulata Harley P. Chandler May 1901 1203 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  UC673080  Solidago velutina subsp. californica Joseph P. Tracy 1940-8-18 16701 Humboldt South Fork Eel River near Bolling Grove; South Fork Eel River 91 Comment
  BLMAR757  Solidago velutina subsp. californica Jennifer Wheeler 2013-9-4 757 Humboldt King range, strawberry rock grazing allotment 252 Comment
  UC582629  Soliva sessilis Joseph P. Tracy 1936-6-3 14852 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC582436  Sonchus asper Joseph P. Tracy 1932-6-4 10132 Humboldt Bridgeville 198 Comment
  HSC6218  Sonchus asper S. R. Johnson 1965-3-15 11 Humboldt 1 mi. N of Luffenholtz Beach Comment
  CAS-BOT-BC158898  Sorbus scopulina Doris K. Kildale 1925-8-16 1170 Humboldt Trinity Summit 1828 Comment
  HSC102588  Sorbus scopulina M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1575 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  CAS-BOT-BC236543  Sorghum halepense Henry M. Pollard 1945-9-4 s.n. Humboldt Nera Camp Creek, east side of Klamath River Comment
  HSC21343  Sparganium angustifolium D. E. Anderson 1963-9-29 2854 Humboldt Fish Lake. Comment
  UC198647  Sparganium emersum var. emersum Joseph P. Tracy 1917-5-30 4808 Humboldt near mouth of Little River; Northern Coast Ranges 6 Comment
  HSC94162  Spartina densiflora L. J. Heflin 1984-9-23 43 Humboldt Allen Marsh at Arcata Marsh and Wildlife Sanctuary Comment
  HSC4234  Spergula arvensis D. E. Anderson 1961-9-13 1823 Humboldt Comment
  HSC45059  Spergularia rubra R. Sutherland 1978-5-12 6 .12578 Humboldt Mckee Flat 288 Comment
  CAS-BOT-BC149613  Spiraea douglasii Malcom A. Nobs; S. Galen Smith 1949-8-9 1226 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley Comment
  UC1128714  Spiraea douglasii H. L. Person 1932-7-19 Humboldt Lindsay Creek; Eureka Quad. Comment
  UC194896  Spiranthes porrifolia Joseph P. Tracy 1916-6-19 4721 Humboldt Dobbyn Creek Northern Coast Ranges (swampy ground around a pond) 182 Comment
  HSC35344  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1975-8-22 643 Humboldt N of College Cove, Trinidad State Beach Park Comment
  CHSC804  Stachys ajugoides var. rigida 1941-5-30 Humboldt Comment
  JEPS63051  Stachys ajugoides var. rigida Joseph P. Tracy 1936-8-7 15091 Humboldt head Little Hors-Linto Creek; Trinity Summit 1371 Comment
  UC1602161  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-17 15954 Humboldt Cape Mendocino 152 Comment
  UC577331  Stachys ajugoides var. rigida Joseph P. Tracy 1933-8-6 12944 Humboldt French Camp Ridge 1066 Comment
  UCLA71146  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-8 14874 Humboldt Trinidad 3 Comment
  RSA82582  Stachys albens F. W. Peirson 1923-7-11 3830 Humboldt 7 miles N of Arcata. Comment
  UC665584  Stachys chamissonis H. E. Parks August,1941 24199 Humboldt Beatrice Comment
  UCR80238  Stachys mexicana H. E. Parks, S. T. Parks 1937-1 24025 Humboldt North Coast, Spruce Cove, Trinidad 61 Comment
  HSC63580  Stachys rigida J. P. Smith 1973-5-26 6789 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SD61050  Stachys rigida var. rigida Darley F. Howe 1964-8-7 3943 Humboldt 8.2 miles from Highway 96 on Mill Creek Road. Hoopa Valley. 1067 Comment
  UC1191454  Stellaria borealis subsp. sitchana Malcolm A. Nobs and S. Galen Smith 1949-8-9 1245 Humboldt Clam Beach Comment
  UC1198283  Stellaria media Joseph P. Tracy 1923-4-15 6185 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  HSC90683  Stellaria media Gail Newton 1982-5-1 2500 Humboldt Eureka, Elk River Wildlife Area Comment
  HSC103125  Stenanthium occidentale M. Mesler, Robin Bencie 2009-7-7 808 Humboldt Big Hill Rd, near Domingo Creek. 1367 Comment
  UC1173636  Stenanthium occidentale Joseph P. Tracy 1937-7-25 15558 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC902035  Stenanthium occidentale Joseph P. Tracy 1949-8-26 18517 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC375782  Stephanomeria virgata Milo S. Baker 1927-8-14 2434 b Humboldt Near summit of ridge West of Bull Creek Comment
  HSC70964  Stipa lemmonii Gail Newton 1980-7-15 1584 Humboldt Near Sims Mtn. 1311 Comment
  HSC98185  Stipa lemmonii J. P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  HSC97968  Stipa lemmonii var. lemmonii Cara Witte, Michael Scott 2007-6-22 348 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  HSC38490  Stipa nelsonii subsp. dorei D. E. Anderson, J. P. Smith 1971-6-18 - 1095 Humboldt Horse Mtn. Comment
  HSC102164  Stipa occidentalis var. californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1074 Humboldt Patterson Meadows 1566 Comment
  CAS-BOT-BC87619  Streptanthus tortuosus Lincoln Constance; Reed C. Rollins 1942-5-12 2880 Humboldt Klamath-Siskiyou Region. Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 152 Comment
  HSC57118  Streptanthus tortuosus Walter Overton, Marvin Butler 1979-7-25 9863 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  RSA43850  Streptanthus tortuosus H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  HSC102122  Streptanthus tortuosus var. tortuosus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1026 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  SEINET4173984 Image available Streptopus amplexifolius Joseph P. Tracy 1923-6-24 6366 Humboldt Bald Mountain, near High Prairie 1067 Comment
  UCR275109  Streptopus amplexifolius Charity A. Hartshorn 2016-5-14 33 Humboldt Arcata Community Forest 244 Comment
  UC666814  Suksdorfia ranunculifolia Joseph P. Tracy 1935-7-24 14196 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  HSC63139  Swertia radiata M. A. Baker 1979-6-27 935 Humboldt Head of Oregon Creek Comment
  HSC58831  Symphyotrichum bracteolatum Overton, Butler 1979-8-2 12678 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC96471  Symphyotrichum chilense Gordon Leppig 1997-6-19 455 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  CAS-BOT-BC99170  Symphyotrichum chilense Volney Rattan 1877-3-2 s.n. Humboldt Unspecified Comment
  UC581687  Symphyotrichum hendersonii Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  HSC100684  Synthyris reniformis var. cordata Carl C. Marshall Jan 1887 354 Humboldt Liscom's Hill. Comment
  HSC90678  Tanacetum bipinnatum Gail Newton 1982-5-5 2523 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC90250  Tanacetum bipinnatum Jean Hanson 1980-5-24 58 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  UC1199290  Tanacetum camphoratum J. P. Tracy 1901-8-7 1269 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  UC1223070  Tanacetum parthenium Joseph P. Tracy 1946-7-28 17624 Humboldt Head of Willow Creek Comment
  HSC49986  Tauschia glauca M. Andre' Baker 1979-6-7 787 Humboldt On N bank of the road to Snow Mt. 610 Comment
  UC1197329  Tauschia kelloggii Joseph P. Tracy 1929-7-4 8632 Humboldt French Camp Ridge 1066 Comment
  HSC59852  Tauschia kelloggii M. A. Baker 1979-7-6 1007 Humboldt Just past the 4 mi. marker on Eyesee Rd. from Hwy. 96 Comment
  HSC67525  Tauschia kelloggii J. M. DiTomaso 1981-4-12 1999 Humboldt Chezem Rd., 23 mi. E of Hwy. 101off Hwy. 299 Comment
  UC642291  Tauschia kelloggii Joseph P. Tracy 1936-6-10 14933 Humboldt mountain slopes w mouth South Fork of Trinity River; mountain slopes w of mouth South Fork of Trinity River 457 Comment
  RSA160832  Taxus brevifolia Joseph P. Tracy 1924-9-7 6862 Humboldt Grizzly Creek on Van Duzen River 91 Comment
  UC502916  Taxus brevifolia Joseph P. Tracy 1927-3-27 7866 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 762 Comment
  UC502917  Taxus brevifolia Joseph P. Tracy 1927-3-27 7865 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 762 Comment
  UC667973  Taxus brevifolia Joseph P. Tracy 1936-9-20 15186 Humboldt along Capoe Creek; Humboldt State Redwood Park 91 Comment
  CAS-BOT-BC447404  Tellima grandiflora Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC32947  Tellima grandiflora Thomas W. Nelson, James Nelson 1973-5-28 960 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC89427  Tellima grandiflora P. A. Daly 1984-5-8 4 Humboldt Trinidad Head 61 Comment
  HSC89548  Tellima grandiflora M. Roantree 1985-5-2 30 Humboldt E side of Trinidad Head. Comment
  UCD170789  Tellima grandiflora Gordon Leppig; Sylvia Leppig and Kai Neander 1998-5-6 745 Humboldt Rt. 101. Overlooking Big Lagoon. 40 Comment
  CAS-BOT-BC399769  Thalictrum polycarpum Joseph P. Tracy 1933-5-20 12256 Humboldt Northern Coast Ranges. Mattole Valley 30 Comment
  CAS-BOT-BC77707  Thelypteris nevadensis L. R. Abrams 1916-7-22 6220 Humboldt Ridge between Mad + Trinity Rivs on Eureka - Red Bluff Road Comment
  UC495727  Thermopsis gracilis Joseph P. Tracy 1927-5-15 8045 Humboldt between Hoopa and Willow Camp; Sugar Bowl Mt. 457 Comment
  RSA183521  Thermopsis gracilis var. gracilis D. E. Anderson 1965-5-15 3692 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  CHSC10101  Thermopsis macrophylla D. E. Anderson 1965-5-15 36926 Humboldt About 7 miles north of Hoops on Bloody Camp Prairie road. Comment
  HSC64140  Thermopsis macrophylla J. O. Sawyer, J. P. Smith, J. Cole 1977-7-2 3050 Humboldt Rd. 11N17 between Dagsaw Springs and Divide Lake 793 Comment
  SEINET6934811  Thermopsis macrophylla var. venosa Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt West of top of grade down to Klamath River, southeast of Orick. Comment
  HSC100462  Thlaspi alpestre Carl C. Marshall Apr 1887 360 Humboldt Supply Creek, near Hoopa. Comment
  UC1222645  Thlaspi californicum Joseph P. Tracy 1951-5-20 19405 Humboldt at serpentine rockpile toward Ashfield Butte Kneeland Prairie; , toward Ashfield Butte 762 Comment
  CHSC96779  Thlaspi montanum P. Haggard 2004-8-18 1285929 Humboldt North Coast Ranges. Friday Ridge Rd, Willow Creek. Comment
  UC1565796  Thlaspi montanum var. montanum R. Spellenberg 1990-7-10 10234 Humboldt on USFS Rd 6N08, 7.5 air mi sw Salyer (on Friday Ridge 0.4 mi ne of junction with USFS Rd. 1, extreme e edge county); on Friday Ridge 1371 Comment
  CAS-BOT-BC81310  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt 9 miles above Blue Lake along road to Willow Creek (Lord Ellis Road) 243 Comment
  CAS-BOT-BC81318  Thuja plicata Carl B. Wolf 1927-8-29 1192 Humboldt 7 mi. S. of Ferndale and Capetown, Bear River Ridge--Mt. Glen Comment
  RSA34287  Thuja plicata C. B. Wolf 1927-8-29 1192 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  SD56861  Thuja plicata Darley F. Howe 1963-8-7 Humboldt 30 miles west of west entrance to 6 Rivers north fork on Highway #299 185 Comment
  UCD134112  Thuja plicata T. I. Storer 1931-7-1 2223 Humboldt Near Ferndale. Comment
  CAS-BOT-BC88326  Thysanocarpus curvipes Joseph P. Tracy 1938-5-1 15736 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC55614  Tiarella trifoliata var. unifoliata Overton, Butler 1979-7-23 9503 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC63848  Tiarella trifoliata var. unifoliata M. A. Baker 1979-6-29 964 Humboldt Hopkin's Creek. 750 Comment
  UC14487  Tiarella trifoliata var. unifoliata Chesnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  RSA29344  Tiarella trifoliata var. unifoliata E. K. Balls, Percy C. Everett 1953-10-11 18599 Humboldt Fleishman s Grove, north boundary, Hwy 101 between Miranda and Weott. 152 Comment
  SEINET6168278  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt Immediate vicinity of Eureka Comment
  HSC55632  Tolmiea diplomenziesii Overton, Butler 1979-7-24 9634 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC1222359  Tolmiea diplomenziesii Joseph P. Tracy 1950-6-15 19040 Humboldt vicinity Willow Creek (near mouth of Raccoon Creek, 1 mi ne of Patterson's Ranch) Comment
  CAS-BOT-BC447613  Tolmiea menziesii Alice Eastwood; John Thomas Howell 1937-6-23 4781 Humboldt Near Dinsmore's Comment
  RSA41966  Tolmiea menziesii H. C. Cantelow 1935-6-13 1095 Humboldt East of Arcata. Road to Weaverville. Comment
  HSC64158  Torilis arvensis J. O. Sawyer, K. A. Sawyer 1979-6-24 3404 Humboldt Slopes alongside Aikens Creek. 366 Comment
  SD51325  Torilis arvensis Darley F. Howe 1961-7-31 3100 Humboldt 6 miles south of Garbverville on Highway 101. 99 Comment
  UCR123960  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6986 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC37517  Torreyochloa pallida var. pauciflora J. D. Ackerman, A. M. Montalvo 1975-8-9 634 Humboldt Arcata, W end road, near Arcata Overhead (101 overpass) Comment
  CAS-BOT-BC323057  Tracyina rostrata Joseph P. Tracy 1930-6-15 8762 Humboldt Dobbyn Creek 152 Comment
  HSC74426  Triantha glutinosa Gail Newton 1980-8-10 2055 Humboldt Near Blake Mtn. 1707 Comment
  RSA1500  Trichostema laxum E. R. Johnson 1929-08 1435 Humboldt Along the Eel River. Comment
  UC604644  Trichostema laxum Joseph P. Tracy 1938-8-14 16119 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  HSC28131  Trientalis latifolia J. D. Ackerman 1973-5-6 44 Humboldt 3 mi. N of Weott Comment
  UC1197235  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1921-6-12 5820 Humboldt Kneeland Prairoe Northern Coast Ranges 762 Comment
  UC1602051  Trifolium albopurpureum var. dichotomum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 b Humboldt Hoopa Mt. Comment
  UC160914  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1908-6-9 2652 Humboldt Kneeland Prairie North Coast Ranges 762 Comment
  UC1223394  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1943-5-9 17420 Humboldt on Trinity River (Willow Creek) Comment
  UC302174  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1923-5-23 6260 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC1103431  Trifolium barbigerum Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3636 Humboldt Eureka Northern Coast Ranges Comment
  UC1223500  Trifolium bifidum var. decipiens Joseph P. Tracy 1948-6-13 18027 Humboldt near Burr Creek (Larrabee Creek (Harris Trip)); Alder Point Comment
  UC495643  Trifolium bifidum var. decipiens Joseph P. Tracy 1927-6-18 8186 Humboldt betw Petrolia and the ocean (hills); Northern Coast Ranges 152 Comment
  UC1197205  Trifolium ciliolatum Joseph P. Tracy 1921-4-24 5463 Humboldt facing South Fork of Eel River (Phillipsville); Northern Coast Ranges 121 Comment
  HSC15115  Trifolium dubium Norman H. Moe 1962-5-19 Humboldt Lanphere's Place Comment
  HSC39836  Trifolium dubium Peter Sorensen 1976-6-11 Humboldt Woodley Island Comment
  HSC70358  Trifolium dubium M. A. Baker 1980-6-7 1867 Humboldt Near Ammon Creek 732 Comment
  RSA135394  Trifolium eriocephalum subsp. eriocephalum Volney Rattan 1878-1 s.n. Humboldt Kneeland Prairie. Comment
  HSC99714  Trifolium eriocephalum subsp. eriocephalum Glenn W. K. Shelton 2010-7-10 14 Humboldt Due N of Buck Mtn. on FS Rd. 1N08A 1159 Comment
  HSC27094  Trifolium fragiferum Thomas W. Nelson 1970-10-31 292 Humboldt N end of the Carson Bridge Comment
  RSA90948  Trifolium fucatum var. fucatum F. W. Peirson 1926-7-12 7032 Humboldt Orick Comment
  UC1197048  Trifolium hybridum J. P. Tracy 1901-6-16 1158 Humboldt immediate vicinity Eureka 0 Comment
  HSC31441  Trifolium longipes D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5559 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC31201  Trifolium longipes subsp. oreganum D. E. Anderson 1972-6-20 5757 Humboldt Along the N slope of Horse Mtn. Comment
  HSC44837  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3500 Humboldt Above Alder Springs, N of pond 1585 Comment
  UC1197210  Trifolium longipes var. hansenii Joseph P. Tracy 1913-6-23 4282 Humboldt near summit of ridge (betw Van Duzen and Mad Rivers, Dinsmore's ranch); Northern Coast Ranges 1066 Comment
  UC495658  Trifolium longipes var. oreganum Joseph P. Tracy 1927-6-12 8122 Humboldt Horse Ranges Northern Coast Ranges Comment
  UC165536  Trifolium macraei Harley P. Chandler May, 1901 1148 Humboldt Eureka North Coast Ranges 30 Comment
  HSC35028  Trifolium microcephalum Thomas W. Nelson, Jane P. Nelson 1975-5-24 1846 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC7238  Trifolium microcephalum J. R. Woodside 1963-5-19 2 Humboldt 1 1/4 mi. N of Fairhaven Comment
  HSC45137  Trifolium microcephalum R. Sutherland 1978-6-1 4 .1678 Humboldt 213 Comment
  HSC15150  Trifolium microdon J. W. Johnson 1962-6-4 1430 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC95594  Trifolium microdon Andrea Pickart 2002-5-13 102 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  HSC15148  Trifolium microdon J. W. Johnson 1962-5-13 1354 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  UC1223349  Trifolium microdon Joseph P. Tracy 1950-6-18 18840 Humboldt 1 mi e Cape Mendocino (at roadside on top of ridge); Cape Ridge 304 Comment
  HSC38634  Trifolium obtusiflorum D. E. Anderson, J. P. Smith 1971-6-28 - 1257 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  UC160981  Trifolium obtusiflorum Joseph P. Tracy 1908-6-8 2623 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UCD109390  Trifolium subterraneum R. Tofsrud 1949-7-1 s.n. Humboldt Hydesville. Comment
  UC1197516  Trifolium willdenovii Joseph P. Tracy 1927-5-8 7994 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  UC1197532  Trifolium willdenovii J. P. Tracy 1905-4-16 2162 Humboldt Ocean View Cemeter Eureka vicinity 0 Comment
  SBBG89475  Trifolium wormskioldii J. P. Tracy 1933-5-20 12236 Humboldt mouth of Domingo Crk 5 mi S of Cape Mendocino 3 Comment
  UC198572  Trifolium wormskioldii Joseph P. Tracy 1917-5-30 4801 Humboldt Little River Beach Northern Coast Ranges 6 Comment
  HSC90253  Triglochin concinna Jean Hanson 1981-5-10 137 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  HSC12220  Triglochin maritima Gary J. Stebbins 1970-5-10 78 Humboldt Along Hwy. to Samoa just off the Mad River Slough bridge 2 Comment
  POM319421  Triglochin maritima Patricia Wilder 1968-8-21 4374 Humboldt Big Lagoon Park, just west of U.S. 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 15 Comment
  CAS-BOT-BC520051  Trillium albidum Doris K. Kildale 1926-3-23 1601 Humboldt Humboldt County 21 Comment
  HSC101809  Trillium albidum Kjirsten A. Wayman 2012-4-6 307 Humboldt Martin's Ferry Road, northwest of Weitchpec, near mile marker 32, east side of road 137 Comment
  CSUSB389  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  POM117306  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC15694  Trillium ovatum V. G. Vieira 1963-3-10 37 Humboldt Essex Pond Comment
  HSC59657  Trillium ovatum Marla J. Carollo 1979-4-10 3 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  SEINET12050390  Trillium ovatum F. H. Utech 1988-1 88 -020 Humboldt 3.5 mi N of Phillipsville & 1.5 mi S of Miranda along alternative US 101, Avenue of the Giants 85 Comment
  UC1103502  Trillium ovatum Ralph Ferguson 1948-4-9 Humboldt Sutter tract Eureka 60 Comment
  SEINET10840593  Triodanis biflora Tracy TRACY 5131 Humboldt SAMOA Comment
  HSC20858  Triphysaria eriantha Elrid H. Spinas 1948-6-16 56 Humboldt Horse Mtn. Comment
  JEPS13339  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1142 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  UC199379  Triphysaria versicolor subsp. faucibarbata Joseph Burtt Davy and Walter C. Blasdale 1899-5 Humboldt Arcata; North Coast Ranges, Arcata Comment
  UC212882  Trisetum canescens Joseph P. Tracy 1919-5-31 5157 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  UC526693  Trisetum canescens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8916 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1103149  Trisetum cernuum J. P. Tracy 1902-6-20 175 1/2 Humboldt immediate vicinity Eureka 0 Comment
  UC1103152  Trisetum cernuum Joseph P. Tracy 1935-5-24 13813 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC15027  Triteleia bridgesii J. Burtt Davy 1899-6-19 5643 Humboldt Hoopa Mtn North Coast Ranges Comment
  HSC38479  Triteleia laxa D. E. Anderson, J. P. Smith 1971-6-18 - 1057 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC526354  Triteleia laxa Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SEINET12053134  Triteleia laxa Unknown 1936-1 13196 Humboldt near Ukiah Comment
  UC1197717  Triteleia laxa Joseph P. Tracy 1938-6-17 15966 Humboldt between Petrolia and coast; Domingo Hill 152 Comment
  HSC37394  Tsuga heterophylla Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 487 Humboldt Along Lost Man Creek. 38 Comment
  UC615043  Tsuga heterophylla Beryl O. Schreiber 1934-6-5 1133 Humboldt 15 mi e of Blue Lake (road to Redding, wooded slope) Comment
  UC153964  Typha latifolia Joseph P. Tracy 1910-10-8 3168 Humboldt region about Humboldt Bay Brainard's Point; Northern Coast Region, region about Humboldt Bay 0 Comment
  BLMAR141  Umbellularia californica Donald Hazlett 1994-6-7 141 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC1222167  Umbellularia californica Joseph P. Tracy 1950-12-10 18600 Humboldt vicinity of Carlotta 30 Comment
  UC249701  Umbellularia californica Joseph P. Tracy 1921-2-27 5415 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC1223044  Uropappus lindleyi Joseph P. Tracy 1947-5-10 17676 Humboldt near Briceland Comment
  SEINET202011  Urtica urens Joseph P. Tracy 1944-6-10 17476 Humboldt Eureka. 30 Comment
  UC154042  Vaccinium cespitosum J. P. Tracy 1901-4-7 1007 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  HSC7904  Vaccinium ovatum R. A. Rasp 1964-5-20 43 Humboldt 4 mi. W of Arcata off Lanphere Rd. on Lanphere Ranch Comment
  POM118412  Vaccinium ovatum Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  POM285980  Vaccinium ovatum Lyman Benson 1929-7-16 1938 Humboldt Weott Ranger Station. Comment
  CAS-BOT-BC199410  Vaccinium parvifolium Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC1197780  Vaccinium parvifolium Joseph P. Tracy 1931-4-26 9341 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  CHSC114203  Vaccinium parvifolium Loren Gehrung 1998-7-30 159 Humboldt Patricks Point State Park. Comment
  UC1239584  Valeriana sitchensis subsp. scouleri Mrs. R. D. Douglass 1919-5-8 Humboldt near Ferndale; Nothern Coast Region Comment
  HSC56160  Valeriana sitchensis subsp. sitchensis G. L. Clifton, Griswold 1979-8-1 12035 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  RSA12551  Vancouveria hexandra C. B. Wolf 1934-7-2 5888 Humboldt Snow Camp. (Mountains east of Korbel). 1372 Comment
  SEINET10932381  Vancouveria planipetala Mary Merello 1993-6-19 Merello 658 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest. 90 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
  UC302168  Veratrum californicum var. californicum Joseph P. Tracy 1925-7-5 7170 1/2 Humboldt in wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC57096  Veratrum insolitum Overton, Butler 1979-7-24 9820 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC65843  Veratrum insolitum Gail Newton 1980-6-16 184 Humboldt Near Onion Mtn. 1280 Comment
  SEINET3992208  Veratrum insolitum Unknown 1948-9-12 18213 Humboldt 1 mi. W. of Box Camp 1372 Comment
  UC154273  Verbena lasiostachys var. lasiostachys Harley P. Chandler June, 1901 1353 Humboldt Hupa Indian Reservation 152 Comment
  UC585977  Verbena lasiostachys var. lasiostachys Joseph P. Tracy 1933-7-3 12632 Humboldt Willow Creek; Trinity River Valley 152 Comment
  JEPS16846  Veronica americana W. L. Jepson 1934-5-7 16707 Humboldt Bull Creek Comment
  RSA20851  Veronica americana Carl B. Wolf 1937-6-18 8891 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  JEPS26268  Veronica arvensis Joseph P. Tracy 1906-6-10 2482 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC582552  Veronica peregrina subsp. xalapensis Joseph P. Tracy 1935-5-25 13832 Humboldt Fort Seward 106 Comment
  UC176113  Veronica scutellata Joseph P. Tracy 1912-7-21 3778 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC28231  Veronica scutellata John R. Keith 1973-5-15 Humboldt Abandoned log pond about 200 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  JEPS4464  Veronica scutellata W. L. Jepson 1902-6-24 1921 Humboldt between Eureka and Arcata (Expedition from Ukiah to the Hupa Indian Reservation) Comment
  OBI9217  Veronica scutellata Carl B. Wolf 1937-6-18 8895 Humboldt 1/2 mi S of Fortuna 15 Comment
  UC147900  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1907-6-10 2565 Humboldt immediate vicinity of Eureka 0 Comment
  UC147903  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1900-5-22 797 Humboldt immediate vicinity of Eureka 0 Comment
  HSC63853  Veronica serpyllifolia subsp. humifusa M. A. Baker 1979-6-27 920 Humboldt Edge of Hoopa Indian Reservation Comment
  RSA730595  Veronica serpyllifolia subsp. humifusa Robert F. Thorne, Percy C. Everett 1965-8-8 35263 a Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  POM283765  Veronica serpyllifolia var. humifusa Lyman D. Benson 1928-7-12 478 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  CHSC31325  Vicia Mark Stopher 1980-6-4 101 Humboldt Uncommon in diked off upland habitat along Elk River near Hwy 101 bridge. 1 Comment
  HSC73534  Vicia americana var. americana Gail Newton 1980-7-14 1496 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC81818  Vicia americana var. americana Kenneth Clark 1980-4-18 596 Humboldt Above Dead Man's Gulch, Shelter Cove 174 Comment
  UC1222588  Vicia hirsuta Joseph P. Tracy 1950-6-17 18835 Humboldt Eureka Comment
  HSC48377  Vicia sativa subsp. nigra Mark Flippo 1978-4-18 40 Humboldt Mckinleyville, Hill Top Rd. Comment
  HSC71614  Vicia tetrasperma J. P. Smith 1973-5-26 6832 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC71620  Vicia tetrasperma J. P. Smith 1973-5-26 6809 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC91932  Viola adunca E. Mackey 1986-5-13 Humboldt Patrick's Point State Park; Palmer's Point Comment
  RSA46778  Viola adunca Doris Kildale Gillespie 1937-8-26 15342 Humboldt Christmas Prairie. Comment
  RSA46845  Viola adunca Doris K. Kildale 1927-7-10 3723 Humboldt Gans Prairie, Bald Hills. Comment
  SEINET11980785  Viola adunca f. adunca Unknown 1936-1 13040 Humboldt Fields Landing Comment
  UC1198446  Viola cuneata Joseph P. Tracy 1927-6-12 8214 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC21786  Viola glabella Elrid H. Spinas 1948-5-22 31 Humboldt Horse Mtn. Comment
  HSC48412  Viola glabella Brad Klipfel 1973-6-10 84 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC164832  Viola glabella Joseph P. Tracy 1910-4-17 3118 Humboldt near forks of Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay 0 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
  UC1198450  Viola ocellata Joseph P. Tracy 1921-4-24 5452 Humboldt Phillipsville Flat, South Fork of Eel River Phillipsville Flat; Northern Coast Ranges, South Fork of Eel River, Phillipsvill 91 Comment
  HSC21878  Viola praemorsa subsp. praemorsa Greg Bos 1965-5-15 272 Humboldt 2 mi. W of Berry Summit along US 299 701 Comment
  RSA80574  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt Near headwaters of S Fork of Yager, ca 2 mi W of Bridgeville. Comment
  HSC39623  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson 1976-6-15 2727 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  SEINET10404787  Viola sarmentosa Unknown 1967-6-16 67 -12 Humboldt of Orick; James Irvine redwood grove, U.S. 101 Comment
  CHSC24918  Viola sempervirens M. B. Simpson 1976-4-10 21 Humboldt Ca. 1 yd s of Wagon Wheel Rd, ca. .3 mi e of West Haven Dr, ca. 13 mi n of Arcata. 121 Comment
  UC1198425  Viola sempervirens J. P. Tracy 1901-4-7 1002 Humboldt immediate vicinity of Eureka (Sequoia Park); Sequoia Park 0 Comment
  JEPS80009  Viola sheltonii Joseph P. Tracy 1933-7-16 12769 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC97572  Viola sheltonii C. Witte 2007-5-18 34 Humboldt Along National Forest 1. Approximately 1 mile north of intersection with 5N09. 1456 Comment
  HSC9836  Vulpia bromoides J. A. Waller 1965-5-16 47 Humboldt Open field near Big Lagoon. Comment
  HSC9839  Vulpia bromoides J. W. Johnson 1962-4-18 1266 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  CHSC19731  Vulpia microstachys D. E. Anderson; J. O. Sawyer, J. P. Smith 1970-5-10 5070 Humboldt Ca. 3 miles west of Willow Creek along Three Creeks Road. Comment
  UC1145199  Vulpia microstachys var. microstachys Joseph P. Tracy 1936-6-17 1496 1/2 Humboldt nw slope Buck Mountain (Burr Valley); Burr Valley 1066 Comment
  CAS-BOT-BC184233  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7440 Humboldt Trinity River Valley, near the South Fork 182 Comment
  RSA152486  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-7-5 15039 Humboldt Grouse Mountain. 1524 Comment
  UC1103717  Vulpia microstachys var. pauciflora Joseph P. Tracy 1913-6-19 4201 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC65449  Vulpia myuros J. P. Smith 1973-5-26 6796 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC70921  Vulpia myuros R. York 1980-5-18 570 Humboldt Near Black Mountain 792 Comment
  UCD94899  Vulpia myuros A. H. Murphy 1951-5-15 35 Humboldt Foster Ranch, 3 miles west of Miranda. Comment
  CAS-BOT-BC128814  Whipplea modesta L. R. Abrams 1916-7-11 6016 Humboldt Mouth of Grizzly Creek on Van Duzen River - Redwood Forest Comment
  UC1198904  Whipplea modesta Joseph P. Tracy 1949-5-8 18294 Humboldt open flat by old Strong's District Schoolhouse (5 mi e of town); Carlotta 60 Comment
  UC570904  Whipplea modesta Herbert L. Mason 1932-7-21 7112 Humboldt on road from Arcata to Weaverville (e slope of mts.); Southfork Mountains Comment
  CAS-BOT-BC382921  Wyethia angustifolia L. R. Abrams 1918-6-15 7125 Humboldt Brannan Mt near Willow Creek 1371 Comment
  CAS-BOT-BC382924  Wyethia angustifolia Carl B. Wolf 1927-8-29 1200 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  CAS-BOT-BC382930  Wyethia angustifolia Carl B. Wolf 1937-8-13 9222 Humboldt North Coast Range, 8 mi. E. of Hoopa Valley on new road towards Trinity Summit 1219 Comment
  UC582645  Wyethia angustifolia Joseph P. Tracy 1933-8-6 12937 Humboldt French Camp Ridge 1066 Comment
  UC673078  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  JEPS41266  Xanthium strumarium W. L. Jepson 1936-8-12 17876 Humboldt South Fork Eel River at Philipsville; South Fork Eel River, Philipsville Comment



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