Search Results — 2000 specimen records retrieved (1395 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
  CAS-BOT-BC77928  Abies G. A. Coleman 1901-7-26 s.n. Humboldt Near Acorn Comment
  CAS-BOT-BC78055  Abies grandis Thomas Nelson; Jane Nelson 1979-9-10 5064 Humboldt Along old logging road, south of Lundbar Hills section of Eureka 48 Comment
  HSC73072  Abies procera Gail Newton 1980-7-24 1786 Humboldt Near Somes Mtn. 1615 Comment
  CAS-BOT-BC383852  Abronia latifolia A. Eastwood 1923-8-14 12325 Humboldt Samoa Comment
  UC1602146  Abronia latifolia Joseph P. Tracy 1936-6-6 14861 Humboldt Sandy shore near railroad station Eureka 3 Comment
  UC146158  Abronia umbellata subsp. breviflora J. P. Tracy 1906-9-29 2550 Humboldt Samoa, Ocean Beach, Sand Hills Comment
  SEINET3026058 Image available Acer circinatum Joseph P. Tracy 1942-7-26 17294 .5 Humboldt Valley of SOuth Yager Creek 610 Comment
Read comments
May 1 2015
  UC502939  Acer glabrum var. glabrum Joseph P. Tracy 1932-7-12 10475 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  HSC99409  Acer glabrum var. torreyi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 58 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-BC28587  Achillea millefolium David D. Keck 1938-8-5 4775 Humboldt Big Lagoon Comment
  CDA9169  Achillea millefolium T. C. Fuller 1958-6-17 613 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  UCD128286  Achillea millefolium Linda M. Barker 1976-6-1 1541 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC472295  Achlys californica Mrs. M. H. Manning 1901-4 32 Humboldt near Hupa Comment
  CAS-BOT-BC400017  Achlys triphylla Harley P. Chandler 1901-6-1 1293 Humboldt North Coast Ranges, Hupa Indian Reservation 182 Comment
  CHSC19744  Achlys triphylla D. E. Anderson 1965-5-1 3575 Humboldt 4--5 miles west of jct. Bluff Creek Rd. and Hw. 96, along Bluff Cr. Rd. Comment
  HSC3335  Achlys triphylla H. E. Parks, S. T. Parks May 1930 752 Humboldt Along Van Duzen River Comment
  SEINET5585534 Image available Achnatherum lemmonii Joseph P. Tracy 1950-1 18787 Humboldt Mail Ridge, north of Harris 7 miles 1036 Comment
  UC526753  Achnatherum lemmonii Joseph P. Tracy 1930-7-10 8866 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC526754  Achnatherum lemmonii Joseph P. Tracy 1933-6-13 12597 Humboldt On road from Hoopa westward to Bair's (near summit); Hoopa Mountain 1066 Comment
  UC526755  Achnatherum lemmonii Joseph P. Tracy 1930-7-23 9125 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC552773  Achnatherum lemmonii H. E. Parks and Joseph P. Tracy 1934-6-27 11053 Humboldt Grouse Mt. 1432 Comment
  UCD50691  Achnatherum lemmonii A. H. Murphy 1951-6-25 74 Humboldt About 1 mile W of Board Camp Mtn. Ca. 16 miles NE of Bridgeville. Comment
  CAS-BOT-BC216443  Achnatherum occidentale subsp. californicum Doris K. Kildale 1925-8-17 1258 Humboldt Trinity Summit 1917 Comment
  RSA10033  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-17 10667 Humboldt Trinity Summit, Ridges east of Corral Prairie 1829 Comment
  SEINET201031  Achnatherum occidentale subsp. californicum J. P. Tracy 1932-7-17 10667 Humboldt Trinity Summit ridges E of Corral Prairie; Klamath Mtns 1829 Comment
  RSA47136  Achyrachaena mollis Doris K. Kildale 1925-5-31 s.n. Humboldt Bucilana Bridge, river terrace Comment
  UC249844  Achyrachaena mollis Joseph P. Tracy 1924-6-1 6688 Humboldt near, on Lone Star Road Iaqua Buttes; Northern Coast Ranges 609 Comment
  HSC98302  Acmispon micranthus Francis Winter 1960-4-24 Humboldt Redwood Creek Ranch 381 Comment
  HSC71035  Acmispon wrangelianus Thomas W. Nelson 1977-4-20 3327 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  HSC97999  Aconitum columbianum Cara Witte 2007-7-9 452 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1554 Comment
  HSC4593  Adenocaulon bicolor Lincoln Constance 1934-5-29 734 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC56445  Adenocaulon bicolor Griswold, Butler 1979-7-12 7195 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC40126  Adenocaulon bicolor Thomas W. Nelson, James Nelson 1976-7-28 3075 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  RSA12438  Adenocaulon bicolor Carl B. Wolf 1934-7-2 5855 Humboldt 2 mi. from Bald Mt. on rd. to Korbel. 762 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
  RSA687745  Adiantum aleuticum Charlotte M. Hoak 1936-8-15 344 Humboldt Patricks Point Comment
  UC1239781  Adiantum aleuticum Joseph P. Tracy 1926-6-20 7636 Humboldt Horse Mt; Northern Coast Ranges 1463 Comment
  CAS-BOT-BC62290  Adiantum aleuticum Doris K. Kildale 1926-8-8 2448 Humboldt Bull Creek Flat Comment
  RSA67622  Adiantum aleuticum P. A. Munz 1951-7-15 16547 Humboldt Racoon Creek. 305 Comment
  SEINET11708385  Adiantum aleuticum J. P. Tracy 1951-1 19622 Humboldt Eureka Comment
  UC1199007  Aesculus californica Joseph P. Tracy 1914-6-14 4497 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC30382  Ageratina occidentalis Carl B. Wolf 1927-8-27 1157 Humboldt On the Klamath River, 2 mi. below the Salmon River Comment
  HSC32125  Agoseris grandiflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5586 Humboldt Mount Lassic and 2 smaller peaks to immediate east 1768 Comment
  HSC70407  Agoseris grandiflora M. A. Baker 1980-6-7 1877 Humboldt Near Ammon Creek 732 Comment
  HSC74403  Agoseris grandiflora Gail Newton 1980-6-28 747 Humboldt Near Mad River Butte. 1536 Comment
  SEINET202732 Image available Agoseris grandiflora Joseph P. Tracy 1945-7-15 17513 Humboldt Trinty River Valley at Willow Creek. 152 Comment
  UCD128594  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt north end of town, Garberville. Comment
  HSC56444  Agoseris heterophylla Griswold, Butler 1979-7-12 7191 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC71062  Agoseris heterophylla Thomas W. Nelson, Jane P. Nelson 1977-5-30 3396 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC99060  Agoseris heterophylla Cara Witte 2007-5-23 89 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  SEINET11855017  Agoseris heterophylla J. P. Tracy 1950-1 19006 Humboldt 2 mi S of Burr Valley on Albee Road 1158 Comment
  UC1199483  Agoseris heterophylla var. heterophylla Joseph P. Tracy Jul 16 1930-Jul 19 1930 9045 Humboldt near, in open glades along summit Blake lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC1199485  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1932-6-26 10272 Humboldt (ne of Bridgeville) Fort Baker Ranch; Bridgeville 762 Comment
  UC180186  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1914-7-5 4558 Humboldt High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC32335  Agoseris retrorsa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5616 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  RSA22705  Agrostis densiflora H. E. Parks 1935-06 5607 Humboldt Spruce Cove, Trinidad. Comment
  RSA87118  Agrostis densiflora Joseph P. Tracy 1927-6-26 8216 Humboldt Stone Lagoon Comment
  HSC39906  Agrostis exarata J. P. Smith, Steve Selva 1970-6-30 4129 Humboldt Comment
  RSA129586  Agrostis exarata H. S. Yates 1936-6-16 5664 Humboldt 1 mile S.W. of Samoa. Comment
  UC212878  Agrostis exarata Joseph P. Tracy 1919-9-18 5226 Humboldt Northern Coast Ranges, Trinity Summit 1889 Comment
  UC249865  Agrostis exarata Joseph P. Tracy 1924-7-13 6729 Humboldt in bog Northern Coast Region, Big Lagoon 6 Comment
  UCD52382  Agrostis exarata H. E. and S. T. Parks Jun and Jul 1952 7553 Humboldt Spruce Cove, Trinidad. 60 Comment
  UCSB288  Agrostis exarata Parks, H.; Parks, S. 1952-06 Humboldt Spruce Cove, Trinidad 60 Comment
  SEINET10810360  Agrostis exarata Harold E. Parks Parks 5607 Humboldt Spruce Cove, Trinidad. In cultivated areas. Comment
  CAS-BOT-BC139697  Agrostis gigantea Joseph P. Tracy 1932-8-21 10363 Humboldt North Coast Ranges. Three Cabins. On lower western foothills on Chaparral Mountain. 457 Comment
  UCD52555  Agrostis hallii P. B. Kennedy 1929-6-14 308 Humboldt Humboldt County. Comment
  UCD52561  Agrostis hallii P. B. Kennedy 1923-8-2 s.n. Humboldt Bluff Creek to Arcata. Comment
  UCD52704  Agrostis hallii Ray Evans 1956-7-19 s.n. Humboldt Bear River Ridge, 9 miles west of Ferndale. Comment
  UC1103396  Agrostis oregonensis Joseph P. Tracy 1934-8-29 13637 Humboldt openings in forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC249863  Agrostis scabra Joseph P. Tracy 1924-8-31 6841 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  RSA15570  Agrostis stolonifera C. B. Wolf 1927-8-28 1189 Humboldt Eureka Bay on road to Arcata Comment
  UCD53503  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-3 1168 Humboldt 1 mile south of Fields Landing, Eel River Valley. Comment
  UCD53520  Agrostis stolonifera Lee Berry 1956-6-20 s.n. Humboldt May Ranch, Bridgeville. Comment
  CAS-BOT-BC138572  Agrostis variabilis Joseph P. Tracy 1930-7-16 8948 Humboldt Northern Coast Ranges. South Fork Mountain. Along summit near Blake Lookout. 1737 Comment
  BLMAR32  Aira caryophyllea Brad Barr June, 1982 32 Humboldt King range, Lake Ridge near pond Comment
  HSC8855  Aira caryophyllea N. R. Waite 1965-5-19 41 Humboldt W edge of Humboldt State University campus. Comment
  SEINET5335998  Aira caryophyllea W. D. Billings 1940-6-28 1353 Humboldt 1/4 mi. N of Trinidad Comment
  UC13826  Allium acuminatum Harley P. Chandler June, 1901 1349 Humboldt Hupa Indian Reservation Morth Coast Ranges, Hupa Indian Reservation 152 Comment
  SEINET182670  Allium amplectens Unknown 1936-6-24 645 Humboldt At point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River, 710 Comment
  HSC100545  Allium bolanderi Carl C. Marshall May 1885 115 Humboldt Bear River Region. Comment
  HSC78654  Allium campanulatum D. K. Imper 1982-7-2 1490 Humboldt Near Connely Creek, N Fork 1493 Comment
  SEINET199678  Allium campanulatum J. P. Tracy 1933-7-25 12863 Humboldt Grouse Mtn 1524 Comment
  UC303036  Allium falcifolium Joseph P. Tracy 1926-6-20 7612 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC32124  Allium hoffmanii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5588 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC76440  Allium siskiyouense Denis Kearns 1981-6-24 27 Humboldt Near Cedar Camp 1219 Comment
  HSC70498  Allium validum Gail Newton 1980-7-20 1628 Humboldt Near Bell Swamps 9 Comment
  CAS-BOT-BC453428  Allotropa virgata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek, near Orleans Comment
  UC21636  Allotropa virgata J. Burtt Davy 1899-6-21 5811 Humboldt Box Camp, Trinity Summit 1524 Comment
  HSC63153  Allotropa virgata M. A. Baker 1979-6-30 973 Humboldt 800 Comment
  UC774997  Alnus incana subsp. tenuifolia Carl B. Wolf 1937-8-13 9268 Humboldt 12 mi e Hoopa Valley (on new road toward Trinity Summit); North Coast Range 1676 Comment
  CAS-BOT-BC170946  Alnus rhombifolia Doris K. Kildale 1927-5-15 3292 Humboldt Mattole River Valley Comment
  UC249536  Alnus rhombifolia Joseph P. Tracy 1922-10-1 6117 Humboldt Cummings Creek Noerthern Coast Ranges, Van Duzen River (5 mi e of Carlotta) 30 Comment
  CAS-BOT-BC169545  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt Mattole River, near Petrolia 15 Comment
  CDA30678  Alnus rubra M. K. Beyers, I. Shepardson 2009-9-13 242 Humboldt On the western side of the Eel River, on dry, higher ground, adjacent to the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  HSC69582  Alnus rubra R. Kalal 1979-5-18 66 Humboldt Union St. between 11th and 12th St. 34 Comment
  POM257502  Alnus rubra H. E. Parks, S. Parks 1938-4-1 24126 Humboldt Spruce Cove, Trinidad. 61 Comment
  SEINET201015  Alnus rubra J. P. Tracy 1930-11-16 9255 Humboldt Alton along Van Duzen River 30 Comment
  SEINET12030338  Alnus rubra F. H. Utech 1986-1 86 -400 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Co. F3C) 80 Comment
  UCD110049  Alnus viridis subsp. sinuata Joseph P. Tracy 1947-8-24 17913 Humboldt Near Box Camp. 1524 Comment
  SEINET201030  Alopecurus aequalis J. P. Tracy 1923-6-27 6381 Humboldt Trinity River Valley near the S Fork shores of Lack Pond 183 Comment
  RSA152374  Alopecurus geniculatus Joseph P. Tracy 1938-7-15 16063 Humboldt Mouth of Elk River, near Eureka. Comment
  UCD55900  Alopecurus geniculatus A. A. Beetle; G. L. Stebbins, J. P. Tracy 1942-6-2 3458 Humboldt Loleta Swamp, south of Eureka. Comment
  UCD55903  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19524 Humboldt Hydesville, back of Everett Beck house (formerly George Fray), bed of former Goose Lake. Comment
  UCD55905  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19523 Humboldt Hydesville, bed of former Goose Lake, back of the Everett Beck house (formerly George Gray). Comment
  CAS-BOT-BC13704  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt Near Samoa, on Humboldt Bay 6 Comment
  UC665537  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  CAS-BOT-BC13707  Ambrosia chamissonis A. A. Heller 1924-7-21 13869 Humboldt Salt marsh at Eureka Comment
  HSC35864  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2130 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC35865  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2129 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC5664  Ambrosia chamissonis H. E. Parks Sep 1941 24215 Humboldt Little River Comment
  HSC90391  Ambrosia chamissonis Jean Hanson 1980-8-28 116 Humboldt In Humboldt Bay, city of Eureka; Indian (Gunther) Island, W end of the island Comment
  CAS-BOT-BC142882  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1926-6-27 2225 Humboldt Little Van Duzen River on Weaverville-Bridgeville Road 640 Comment
  CAS-BOT-BC142883  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1926-9-5 2629 Humboldt Lasseck's Peaks between Corral Camp & Red Peak 1676 Comment
  CAS-BOT-BC142887  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1927-5-14 3192 Humboldt Big Lagoon Comment
  HSC32334  Amelanchier pallida D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5617 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC1198750  Amelanchier utahensis Joseph P. Tracy 1912-5-5 3579 Humboldt Eureka Northern Coast Region (at the Azalea Block) 0 Comment
  CAS-BOT-BC137867  Ammophila arenaria Dziekanowski; Dunn; Bennett 1976-8-6 2504 Humboldt In the vicinity of a state park on the beach opposite McKenleyville. 3 Comment
  CDA1717  Ammophila arenaria T. C. Fuller 1961-9-28 7062 Humboldt 0.2 miles south of Samoa. 0 Comment
  CHSC68792  Ammophila arenaria Vernon Oswald 1997-6-5 8535 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.0 mi south of Hwy. 255. 6 Comment
  HSC8845  Ammophila arenaria J. A. Waller 1965-5-18 23 Humboldt Samoa Comment
  OBI65609  Ammophila arenaria G. Douglas Barbe, T. C. Fuller, Hrusa 2-2000 1974-6-19 1881 Humboldt North Coast Ranges. Mad River mouth, beach S of river, at end of Iversen Ln, Tyee City Comment
  SD41378  Ammophila arenaria Edith A. Purer 1932-7-27 4157 Humboldt Samoa, sand dunes. Comment
  HSC100422  Anaphalis margaritacea Carl C. Marshall Aug 1886 251 Humboldt Near Arcata. Comment
  JEPS20438  Anaphalis margaritacea W. L. Jepson 1932-8-9 16537 Humboldt Bull Creek 106 Comment
  RSA1464  Anaphalis margaritacea E. R. Johnson 1929-08 1407 Humboldt Arcata Redwood Park 76 Comment
  OBI17091  Anaphalis margaritacea Carl B. Wolf 1937-8-13 9213 Humboldt N Coast Range, 9 mi NE of Blue Lake on Lord Ellis Rd Comment
  POM318602  Anaphalis margaritacea Patricia Wilder 1968-8-21 4381 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  CAS-BOT-BC391771  Anemone deltoidea Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC34275  Anemone deltoidea K. Irwin 1975-8-13 Humboldt N Trinity Mtn. area below Mill Creek Lakes Comment
  HSC45033  Anemone deltoidea Maralyn O'Meara 1973-6-12 206 Humboldt Above Clear Lake Comment
  UC183670  Angelica hendersonii Joseph P. Tracy 1912-7-21 3764 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  SD109165  Angelica tomentosa var. hendersonii Joseph M. DiTomaso 1980-7-29 1800 Humboldt Elkshead, ca. 2 miles north of Trinidad Comment
  UCD128893  Anisocarpus madioides K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 457 Comment
  CAS-BOT-BC63858  Antennaria argentea Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  UC582647  Antennaria rosea Joseph P. Tracy 1935-7-24 14169 1/2 Humboldt Trinity Summit 1828 Comment
  HSC56990  Antennaria suffrutescens Overton, Butler 1979-7-24 9553 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  HSC4670  Anthemis cotula Lincoln Constance 1934-5-27 694 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  HSC67474  Anthemis cotula J. P. Smith, Steve Selva 1970-6-14 3818 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  RSA313192  Anthoxanthum odoratum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1193 Humboldt Marsh and bog land at the southern outskirts of Eureka. Comment
  SACT000343  Anthoxanthum odoratum Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt marshes bordering Humboldt Bay, 2 miles north of Eureka Comment
  UC1159497  Anthoxanthum odoratum D. L. Gray 1964-5-14 ARCA 64001 Humboldt Humboldt County 18 Comment
  UCD56235  Anthoxanthum odoratum Joseph. P. Tracy 1942-6-2 17101 Humboldt 2 miles north of Bridgeville. 609 Comment
  UCD56238  Anthoxanthum odoratum Malcolm A. Nobs; S. Galen Smith 1949-8-3 1208 Humboldt ca. 2 miles north of Eureka, Humboldt Bay. Comment
  UCD56641  Anthoxanthum odoratum G. Douglas Barbe; T. C. Fuller 1974-6-17 1848 Humboldt North Coast Rages, Eureka, at 707 'L' Street, behind CSAA (California State Automobile Assoc.) district office. Comment
  SBBG83248  Antirrhinum vexillocalyculatum subsp. breweri D. M. Thompson 1983-6-26 354 Humboldt Kneeland Rd, 9.1 mi S of jct with Mtn View Rd Comment
  UC1012378  Antirrhinum vexillocalyculatum subsp. breweri Francis W. Pennell Jul 5 1940-Jul 6 1940 26077 Humboldt 2 to 3 mi s Miranda (Route 101, along Eel River); Eel River 91 Comment
  UC902210  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1948-8-8 18086 Humboldt Iaqua school house; Iaqua 609 Comment
  HSC32419  Aphanes occidentalis David Johnson 1974-4-24 Humboldt Samoa Peninsula W of Emerson Lumber Co. Comment
  UC1198740  Aphanes occidentalis Joseph P. Tracy 1918-4-12 4876 Humboldt near Fish's Mill Creek (Dows Prairie); Northern Coast Ranges 30 Comment
  HSC57897  Apocynum androsaemifolium Overton, Butler 1979-7-31 11477 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  JEPS49816  Apocynum cannabinum Lincoln Constance 1934-6-11 848 Humboldt trail along e. bank of S. Fork of Eel N. Dyerville Flat; S. Fork Eel R., Bull Creek Region, N. Dyerville Flat Comment
  CAS-BOT-BC392160  Aquilegia formosa David D. Keck 1948-7-1 5974 Humboldt South side of Big Lagoon Comment
  UCSB1939  Aquilegia formosa Phillips, Priscilla 1958-6-7 Humboldt Just off Highway 101 on road to Big Lagoon Park Comment
  HSC48990  Aquilegia formosa var. formosa M. A. Baker 1979-5-25 757 Humboldt Comment
  HSC102925  Arabis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 868 Humboldt Patterson Meadows 1566 Comment
  HSC102930  Arabis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 929 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC58213  Arabis glabra Walter Overton 1979-8-1 12342 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC73687  Arabis glabra M. A. Baker 1980-7-15 2980 Humboldt Near Whiting Ridge. 1341 Comment
  HSC57454  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10279 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  RSA246789  Aralia californica R. F. Thorne, P. Everett 1965-8-5 35137 Humboldt Mt. Chamisal: below summit 579 Comment
  UC154135  Aralia californica P. E. Goddard 1901-7-12 78 Humboldt Hupa Comment
  UCD128219  Aralia californica B. L. Kay 1954-8-26 s.n. Humboldt 5 miles west of Gaberville. Comment
  UC153958  Arctostaphylos X media J. P. Tracy 1901-4-21 1035 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC33153  Arctostaphylos canescens Thomas W. Nelson, Brad Klipfel, Jane Cole 1974-5-8 1248 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  SDSU1488  Arctostaphylos canescens D. F. Howe 1965-8-12 4129 Humboldt 7.9 miles south of Honeydew. 610 Comment
  CAS-BOT-BC23756  Arctostaphylos columbiana Alice Eastwood 1907-4-21 12 Humboldt Trinidad Comment
  CAS-BOT-BC23798  Arctostaphylos columbiana H. E. Parks 1931-3-25 0917 Humboldt Near Patrick's point Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  HSC7723  Arctostaphylos columbiana H. E. Parks Feb 1933 3985 Humboldt Spruce Cove, Trinidad Comment
  JEPS19870 Image available Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6141 Humboldt Big Lagoon Northern Coast Region; Big Lagoon, Humboldt Co. 6 Comment
  RSA622697  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27679 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
  UC1198661  Arctostaphylos columbiana Joseph P. Tracy 1928-3-4 8403 Humboldt Miranda South Fork of Eel River 121 Comment
  UC1225898  Arctostaphylos columbiana Joseph P. Tracy 1947-5-24 17693 Humboldt Devil's Canyon Big Lagoon 152 Comment
  UCD50769  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1178 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick, French Camp Ridge. Comment
  RSA632800  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27771 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  RSA632812  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27778 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  RSA633020  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27814 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  CAS-BOT-BC24375  Arctostaphylos manzanita subsp. manzanita J. P. Smith; John O. Sawyer 1975-4-6 8051 Humboldt 3 mi. n. of Whitethorn, across from the Califonria Dept. of Forestry Fire Station. Comment
  UC32688  Arctostaphylos manzanita subsp. manzanita Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  SEINET2031084 Image available Arctostaphylos media Joseph P. Tracy 1923-1 6171 Humboldt Around Humboldt Bay; Table Bluff 61 Comment
  SBBG83936  Arctostaphylos nevadensis subsp. knightii R. Gankin, W. R. Hildreth 1967-10-26 1175 Humboldt French Camp Ridge, 21.4 mi E of US 101 on Bald Hills Rd from Orick Comment
  CAS-BOT-BC46630  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16419 Humboldt Grouse Mountain. 1524 Comment
  HSC48821  Arctostaphylos patula Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 32 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC100469  Arctostaphylos pungens Carl C. Marshall Apr 1886 383 Humboldt Hoopa Valley. Comment
  UC1225935  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17499 Humboldt Eureka 45 Comment
  UC673124  Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt near Samoa; Humboldt Bay 6 Comment
  HSC63207  Arctostaphylos viscida M. A. Baker 1979-7-6 1009 Humboldt .6 k W of FS rd. 15N01 on rd. 12N16, toward Bald Mtn. 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
  HSC49992  Arnica cernua M. A. Baker 1979-6-7 791 Humboldt 1250 Comment
  HSC35606  Arnica discoidea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2017 Humboldt French Camp, Bald Hills. Comment
  HSC74699  Arnica discoidea Gail Newton 1981-7-23 2287 Humboldt Near Bug Creek Butte. 1350 Comment
  UC249832  Arnica discoidea Joseph P. Tracy 1923-6-20 6335 Humboldt Briceland 304 Comment
  CAS-BOT-BC84834  Artemisia douglasiana Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  HSC67041  Artemisia douglasiana J. P. Smith 1971-10-9 5032 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  UC1199394  Artemisia douglasiana Joseph P. Tracy 1933-8-6 12946 Humboldt French Camp Ridge 1066 Comment
  JEPS37015  Artemisia dracunculus W. L. Jepson 1921-9-11 9464 Humboldt 7 or 8 mi. s. Garberville (not far from Indian Creek (Devoy Flat) Redwood Flat, w. of S. Fork Eel); South Fork Eel River Comment
  UC1409182  Artemisia pycnocephala Robert F. Thorne and P. Everett 1965-8-5 35169 Humboldt Samoa Dunes 3 Comment
  HSC4746  Artemisia pycnocephala David Adams 1960-7-17 Humboldt 2 miles S of Samoa 0 Comment
  UC275467  Artemisia pycnocephala H. E. Parks and Joseph P. Tracy 1925-6-26 7135 Humboldt Samoa Sand Dunes Humboldt Bay, Samoa Sand Dunes 15 Comment
  BLMAR313  Artemisia suksdorfii Jennifer Anthony-Wheeler 2002-8-9 313 Humboldt Lost Coast Headland, trail to guthrie creek 30 Comment
  UC55947  Asarum caudatum J. P. Tracy 1900-5-22 794 Humboldt Immediate vicinity of Eureka Comment
  UC6180  Asarum caudatum J. Mello Feb 1897 Humboldt Eureka Comment
  HSC63150  Asarum hartwegii M. A. Baker 1979-6-28 950 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  UC1173689  Asclepias fascicularis Joseph P. Tracy 1939-7-16 16349 Humboldt Garberville 152 Comment
  HSC98884  Asclepias speciosa Cara Witte 2007-7-3 406 Humboldt White Oak Opening. 1242 Comment
  UC440176  Aspidotis densa Joseph P. Tracy 1919-9-25 5301 Humboldt Trinity Summit; Northern Coast Ranges 182 Comment
  SEINET200793 Image available Aspidotis densa J. P. Tracy 1942-6-23 17265 Humboldt Water Dog Lake; Trinity Summit 1830 Comment
  RSA12562  Aster alpigenus C. B. Wolf 1934-7-2 5877 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC502993  Astragalus agnicidus J. C. Tario Jr. 1931-8-20 Humboldt 4 mi s Miranda (near Bear Buttes, local on Tosten and Pierce Ranch); s of Miranda, nr Bear buttes, Tosten and Pierce Ranch 762 Comment
  RSA112182  Astragalus gambelianus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1945-6-16 6822 Humboldt NW of Harris. 884 Comment
  JEPS54822  Astragalus pycnostachyus var. pycnostachyus W. L. Jepson 1902-8-4 2143 Humboldt Cape Mendocino to Petrolia (ocean shore); Ocean shore, Cape Mendocino to Petrolia Comment
  CAS-BOT-BC200854  Astragalus umbraticus D. E. Anderson 1965-5-15 3694 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie road Comment
  CAS-BOT-BC69525  Athyrium filix-femina subsp. cyclosorum Ira L. Wiggins 1957-6-19 14127 Humboldt 2.5 mi. w. of Pepperwood. Comment
  CHSC32  Athyrium filix-femina var. cyclosorum M. Anthony 1960-5-1 Humboldt Coastal. Comment
  JEPS35140  Athyrium filix-femina var. cyclosorum W. L. Jepson 1932-8-8 16529 Humboldt hill above Weott Comment
  UC1198292  Athysanus pusillus Joseph P. Tracy 1922-4-30 6016 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC183747  Athysanus pusillus Joseph P. Tracy 1913-6-17 4170 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  UC1222661  Athysanus pusillus Joseph P. Tracy 1950-4-20 18610 Humboldt 1/2 mi w of Dinsmore's (along Van Duzen River, opposite Buck Mountain); Van Duzen River 762 Comment
  RSA424567  Atriplex patula T. S. Elias, Barbara A. Elias 1987-8-26 10623 Humboldt Fernbridge Comment
  HSC82971  Atriplex prostrata A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  CAS-BOT-BC146202  Avena barbata Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  UC526858  Avena barbata Joseph P. Tracy 1930-6-29 8825 Humboldt Buck Mountain Northern Coast Ranges (lower foothills of nw slope) 762 Comment
  HSC9024  Avena fatua W. F. Nickel 1965-5-16 Humboldt N Arcata next to the Humboldt Motor Hotel. Comment
  CAS-BOT-BC98770  Baccharis douglasii Frank W. Peirson 1926-7-13 7061 Humboldt Mad River, vicinity of Blue Lake Comment
  CAS-BOT-BC99990  Balsamorhiza deltoidea Mark Bransom; Daniel Brown; Ron Hildebrandt; Nina Meiselman 1986-4-19 20 Humboldt Across Rt. 299 from White's Bar picnic area; 1/2 mi. up roadbank Comment
  HSC5191  Bellis perennis W. K. Parks Jun 1932 1187 Humboldt Trinidad Comment
  HSC5187  Bellis perennis J. R. Kahl 1962-3-10 3 Humboldt 2 mi. S of Trinidad along old Hwy.101 Comment
  HSC5193  Bellis perennis Francis Winter 1960-4-24 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  UC1051579  Bensoniella oregona Joseph P. Tracy 1923-6-24 6363 Humboldt Bald Mountain in meadow near High Prairie; Northern Coast Ranges, Bald Mountain, nr High Prairie 1066 Comment
  CAS-BOT-BC66270  Blechnum spicant Doris K. Kildale 1928-12-30 6885 Humboldt Phillipsville Comment
  CHSC96445  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1999-10-25 1268 Humboldt State Highway 101, mile marker 61.40. UTM zone 10, 4519N, 406 E. 2 Comment
  HSC78085  Botrychium multifidum var. intermedium L. P. Janeway, Amy Eisenberg 1984-4-25 748 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven rds. 3 Comment
  HSC64874  Boykinia occidentalis J. P. Smith 1973-5-26 6845 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA32653  Boykinia occidentalis Doris K. Kildale 1925-6-17 701 Humboldt [Unspecified] Comment
  CAS-BOT-BC36698  Brassica rapa Roxana S. Ferris 1937-8-21 9391 Humboldt Face of Cliff above Shelter Cove. Comment
  HSC89516  Brassica rapa M. Roantree 1985-6-11 94 Humboldt E side of Trinidad Head Comment
  CAS-BOT-BC106286  Brickellia californica L. R. Abrams 1927-8-27 12049 Humboldt Rocky river bottom, Eel River, Richardson Grove Comment
  JEPS18641  Brickellia californica Joseph P. Tracy 1931-10-18 9736 Humboldt 2 to 5 mi e of the South Fork, along Eel River South Fork Eel River (Camp Grant); Eel River 45 Comment
  CAS-BOT-BC127682  Brickellia greenei Joseph P. Tracy 1939-8-16 16401 Humboldt Horse Mountain, in open forest of Jeffrey Pine, in serpentine belt 1432 Comment
  CAS-BOT-BC293762  Briza maxima D. H. Wilken; E. L. Painter 2007-6-4 16739 Humboldt Samoa Dunes, ca. 0.4 km W of US Coast Guard Station, North Spit, Humboldt Bay, SW of Eureka 5 Comment
  CHSC31284  Briza maxima Mark Stopher 1980-5-16 68 Humboldt Along Hwy 101 near jct with Elk River, s of Eureka. Comment
  HSC104048  Briza maxima E. R. Fyer 2015-4-26 20 Humboldt At turnout off Samoa Blvd. 1 Comment
  HSC9084  Briza maxima Dennis Anderson 1965-5-8 3626 Humboldt 1 mi. E of Blue Lake on Hwy. 299 Comment
  UCD57277  Briza maxima P. B. Kennedy 1929-6-13 s.n. Humboldt Etterburg. Comment
  UCD57367  Briza maxima R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  HSC12346  Briza minor Steve Dorei 1970-10-31 137 Humboldt Scotia Bluffs, N of railroad tracks Comment
  HSC38484  Briza minor Dennis Anderson, J. P. Smith 1971-6-18 - 1064 Humboldt Chezem Rd., 3 mi. E of bridge over Redwood Creek Comment
  HSC79436  Briza minor Kenneth Clark 1980-6-14 664 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 30 Comment
  HSC89421  Briza minor P. A. Daly 1984-7-15 32 Humboldt Trinidad Head 61 Comment
  CAS-BOT-BC484216  Brodiaea elegans subsp. elegans Doris K. Kildale 1927-7-1 3618 Humboldt Alton Hill 30 Comment
  HSC48787  Brodiaea elegans subsp. elegans Brad Klipfel 1974-7-23 478 Humboldt Along Titlow Hill Rd. Comment
  HSC32104  Brodiaea stellaris D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5697 Humboldt McKeown Ranch, N of Dinsmore Comment
  POM160834  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek. 762 Comment
  UC1197740  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1928-5-20 8441 Humboldt halfway between the ocean and Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  UC1145158  Bromus carinatus var. carinatus Joseph P. Tracy 1936-8-2 15070 Humboldt French Camp Ridge 1066 Comment
  HSC102641  Bromus carinatus var. marginatus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1625 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC249501  Bromus carinatus var. maritimus Joseph P. Tracy 1922-5-28 6054 Humboldt Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  CAS-BOT-BC155994  Bromus diandrus Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  UC1131155  Bromus diandrus H. S. Yates 1936-6-17 5707 Humboldt lower nw slope of Buck Mountain Buck Mountain 792 Comment
  CAS-BOT-BC155429  Bromus hordeaceus W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula. Comment
  RSA126903  Bromus hordeaceus H. S. Yates 1936-6-17 5716 Humboldt Near Burr valley; South Fork Pk. 915 Comment
  UC1145188  Bromus laevipes Joseph P. Tracy 1950-6-15 18785 Humboldt 7 mi n of Haris (Mail Ridge); Mail Ridge 1036 Comment
  HSC9306  Bromus madritensis subsp. rubens D. E. Anderson 1965-5-15 3705 Humboldt Along Hwy. 299, just N of Sugar Bowl Ranch. Comment
  HSC9332  Bromus madritensis subsp. rubens C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-17 43 Humboldt Trinity River, near bridge on Trinity Highway 152 Comment
  RSA152294  Bromus orcuttianus Joseph P. Tracy 1936-5-8 15124 Humboldt Trinity Summit; on Ridge 2 miles east of Grove's Prairie 1463 Comment
  HSC40688  Bromus tectorum Thomas W. Nelson, Jane P. Nelson 1976-6-22 2871 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  UC37724  Bromus tectorum Harley P. Chandler June, 1901 1432 Humboldt North Coast Ranges, Klamath River Klamath River; North Coast Ranges, Klamath River 335 Comment
  HSC74753  Bromus vulgaris Gail Newton 1981-8-6 2396 Humboldt Near Bug Creek 1125 Comment
  UC167232  Bromus vulgaris Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5363 Humboldt near Harris (North Coast Ranges); North Coast Ranges Comment
  HSC100142  Buddleja davidii G. F. Hrusa, C. E. Dogwin 2010-12-31 18278 Humboldt Kahlstrom Avenue, Westhaven 96 Comment
  UCR93380  Buddleja davidii Kathy Harper, Dane Karr 1994-6-14 s.n. Humboldt North Coast Range, 11-12 mi. north of Willow Creek on State Hwy 96, c. 0.25 mi. north of 'vista point' along Trinity River 30 Comment
Read comments
Apr 27 2007
  UC175208  Cacaliopsis nardosmia Joseph P. Tracy 1913-6-17 4186 Humboldt Buck Mountain, near the summit Buck Mountain 1676 Comment
  RSA484550  Cakile edentula E. A. Purer 1932-7-27 4140 Humboldt Near Samoa. Comment
  UCD114860  Cakile edentula Malcolm A. Nobs; S. Galen Smith 1949-8-11 1337 Humboldt Marsh at eastern shore of Stone Lagoon. Comment
  CHSC13868  Cakile maritima Tim Manolis 1974-3-16 27 Humboldt On south spit of Humboldt Bay, 5 mi. SW of Eureka. Comment
  CHSC68489  Cakile maritima Vernon H. Oswald 1997-4-10 8332 Humboldt Big Lagoon County Park at the southwest edge of Big Lagoon. North of the launch ramp. 3 Comment
  HSC6610  Cakile maritima Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  SEINET11092947  Cakile maritima Unknown 1948-6-10 18062 Humboldt CALIFORNIA PLANTS -- HUMBOLDT COUNTY Dwarf plants abundant. A very recent introduction TRINIDAD Beach west of town. Altitude 10 to 200 feet. Comment
  CAS-BOT-BC185315  Calamagrostis foliosa Roxana S. Ferris 1937-8-21 9391 A Humboldt Shelter Cove. Comment
  HSC97775  Calamagrostis foliosa C. Gillevan, C. Sander 2003-8-13 330 Humboldt Cliffs above Randal Creek, Cooksie Creek, and Gitchel Creek, in the King Range Area 9 Comment
  CAS-BOT-BC185235  Calamagrostis koelerioides Joseph P. Tracy 1933-8-30 13008 Humboldt Northern Coast Ranges. Horse Mountain. 1371 Comment
  JEPS71173  Calamagrostis nutkaensis W. L. Jepson 1936-8-18 17943 Humboldt Wildcat Ridge Comment
  JEPS52599  Calandrinia ciliata Lincoln Constance 1934-6-19 912 Humboldt Grasshopper Peak South Fork Eel River, Bull Creek Region (near summit) 914 Comment
  HSC104058  Calandrinia ciliata M. F. Norman 2015-4-11 16 Humboldt Arcata, Ma-le'l Dunes Comment
  UC1714424  Callitriche heterophylla var. bolanderi J. P. Tracy 1900-5-28 824 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC80382  Calocedrus decurrens Doris K. Kildale 1928-7-1 5313 Humboldt Klamath River at mouth of Bluff Creek Comment
  HSC95787  Calocedrus decurrens Will Ferrand 2001-6-17 28 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  HSC99537  Calocedrus decurrens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 202 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA47116  Calocedrus decurrens Doris K. Kildale 1926-8-15 2540 Humboldt Hoopa Mt. 579 Comment
  SEINET4169777  Calochortus catalinae Unknown 1932-7-12 Humboldt Trinity Summit Comment
Read comments
Sep 18 2015
  HSC74317  Calochortus elegans var. nanus M. A. Baker 1980-7-22 3061 Humboldt Near Salmon Mtn. 1820 Comment
  HSC34875  Calochortus tolmiei Thomas W. Nelson, James Nelson 1975-5-5 1779 Humboldt Beside Hwy. 101, ~ 4 mi. S of the Salmon Creek Bridge Comment
  JEPS61766  Calochortus vestae Joseph P. Tracy 1916-6-19 4713 Humboldt Bosworth's Ranch Northern Coast Ranges, Laribee Creek 457 Comment
  UC195348  Calochortus vestae Joseph P. Tracy 1916-6-19 4713 Humboldt Bosworth's Ranch Northern Coast Ranges, Laribee Creek 457 Comment
  CAS-BOT-BC273314  Calycadenia fremontii Doris K. Kildale 1925-7-5 1006 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC275368  Calycadenia truncata var. truncata Harley P. Chandler 1901-6-1 1492 Humboldt Klamath River 426 Comment
  HSC72777  Calypso bulbosa T. R. Crumbo 1977-4-6 4 Humboldt Hwy. 36, 0.25 mi W of Grizzly Creek State Campground. 91 Comment
  HSC32128  Calyptridium monospermum D. E. Anderson, T. Nelson, S. Dowty 1972-6-14 5604 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC32932  Calyptridium monospermum Thomas W. Nelson 1973-5-30 973 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  HSC75952  Calyptridium monospermum Overton, Butler 1979-7-24 9736 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  UC1197874  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1898-7-15 257 Humboldt near Hydesville (Yager Creek); , near Hydesville 60 Comment
  HSC37769  Calystegia silvatica subsp. disjuncta Thomas W. Nelson 1976-8-10 3166 Humboldt Intersection of 11th and B St. in Arcata Comment
  HSC90256  Calystegia soldanella Jean Hanson 1980-5-24 82 Humboldt Indian (Gunther) Island in Humboldt Bay, Eureka. W end of island within 15 ft. of high tide line Comment
  UC1586964  Camassia Juha Pykala and D. H. Norris 1987-6-5 1391 Humboldt e of Maple Creek (Snow Mountain Lake); Snow Mountain Lake 1386 Comment
  HSC45467  Camissonia cheiranthifolia subsp. cheiranthifolia Thomas W. Nelson, James Nelson 1978-9-28 4554 Humboldt NW of Samoa Comment
  CAS-BOT-BC160242  Camissoniopsis cheiranthifolia subsp. cheiranthifolia W. R. Dudley 1899-6-1 s.n. Humboldt Eureka [Penninsula] Peninsula Comment
  CAS-BOT-BC160243  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Ira L. Wiggins 1930-7-7 4670 Humboldt Near Samoa Comment
  CAS-BOT-BC160247  Camissoniopsis cheiranthifolia subsp. cheiranthifolia L. R. Abrams 1916-7-18 6020 Humboldt Arcata toTrinidad Comment
  CHSC10102  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. W. Johnson 1961-8-17 1044 Humboldt Arcata. Sand dune fields, Lanphere Farm. Comment
  CHSC55903  Camissoniopsis cheiranthifolia subsp. cheiranthifolia L. P. Janeway 1987-7-31 2541 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  SEINET10462925  Campanula prenanthoides Lincoln Constance 1934-6-11 Constance 854 Humboldt LOWER LOOK PRAIRIE, AND BULL CR. ROAD TO DYERVILLE Comment
  SEINET10905926  Campanula prenanthoides Kildale 1930-7-7 KILDALE 10263 Humboldt Chaparral Mountain at Bug Creek 914 Comment
  SEINET10463479  Campanula scouleri Manning MANNING [ 305 ] Humboldt Near Hupa (Bald Hills). 457 Comment
  RSA273405  Cardamine breweri var. orbicularis Thomas W. Nelson, J. P. Smith 1976-4-25 2382 Humboldt Humboldt County: T3N, R1N, S29, Brzil Ranch E of Hwy 101 near college of Redwoods. Comment
  HSC33150  Cardamine californica Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1246 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  UCD114499  Cardamine californica Parks; Tracy 1931-3-26 0916 Humboldt lower Van Duzen River. 60 Comment
  JEPS53400  Cardamine californica var. integrifolia Lincoln Constance 1934-5-26 651 Humboldt near Founders' Tree (North Dyerville Flat Grove, South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel R, North Dyerville Flat gr 48 Comment
  UC1199194  Cardamine nuttallii Joseph P. Tracy 1933-6-11 12665 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
  CAS-BOT-BC37891  Cardamine oligosperma Doris K. Kildale 1927-3-20 2916 Humboldt Philipsville. Smith Fork of Eel River. Comment
  HSC6649  Cardamine oligosperma W. F. Nickel 1965-3-13 Humboldt 10 mi. W of Prairie Creek State Park, 0.25 mi. S of Fern Canyon on road to Fern Canyon Comment
  UC1199207  Cardamine oligosperma Joseph P. Tracy 1920-5-18 5328 Humboldt 5 mi from Dyerville (South Fork Eel River, Forest Lodge, along Eel River from South Fork to Scotia); Northern Coast Ranges, South Fork Eel River, Forest Lodge 60 Comment
  SEINET200666  Carex abrupta Joseph P. Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1152063  Carex angustata Joseph P. Tracy 1950-7-6 18988 Humboldt lower end of Burr Valley on nw slope of Buck Mountain Burr Valley, Buck Mountain 1066 Comment
  UC562253  Carex aquatilis var. dives Joseph P. Tracy 1935-6-8 13948 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  CAS-BOT-BC19437  Carex bolanderi Robert F. Thorne; P. Everett 1965-8-5 35128 Humboldt Wailaki Recreation Site. 518 Comment
  UC249760  Carex bolanderi Joseph P. Tracy 1923-6-20 6332 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CHSC90273  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8588 Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  HSC7100  Carex buxbaumii B. D. Rogers 1965-10-2 1018 Humboldt Big Lagoon 0 Comment
  JEPS26006  Carex canescens Joseph P. Tracy 1939-7-9 16318 Humboldt at Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  UC303016  Carex concinnoides Joseph P. Tracy 1926-5-2 7447 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC61628  Carex cusickii Ruby Van Deventer 1959-6-20 Humboldt Humboldt/Del Norte County line, Onion Lake 1220 Comment
  UC1100648  Carex cusickii Malcolm A. Nobs, S. Galen Smith 1949-8-3 1197 Humboldt marsh and bog land at the southern outskirts of Eureka Eureka Comment
  UC1152065  Carex densa Joseph P. Tracy 1950-7-6 18987 Humboldt lower end of Burr Valley on nw slope of Buck Mountain Burr Valley, Buck Mountain 1066 Comment
  UC1116267  Carex deweyana subsp. leptopoda Joseph P. Tracy 1943-7-18 17442 Humboldt Big Lagoon 9 Comment
  CHSC85975  Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  JEPS79842  Carex globosa Joseph P. Tracy 1929-6-3 8605 Humboldt Mouth of East Fork, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 487 Comment
  CAS-BOT-BC146596  Carex gynodynama Joseph P. Tracy 1936-6-21 14991 Humboldt Iaqua 609 Comment
  CAS-BOT-BC22316  Carex harfordii Joseph Prince Tracy 1927-7-17 8279 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. Edge of pond. 457 Comment
  POM160302  Carex hendersonii Joseph P. Tracy 1926-6-13 7598 Humboldt Blue Lake. 152 Comment
  CAS-BOT-BC28164  Carex hoodii Joseph Prince Tracy 1932-7-11 10410 Humboldt Trinity Summit, Open places at Corral Prairie. Comment
  CHSC90268  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8542 Humboldt North Coast Ranges. Along Forest Road 13N01 18 miles from junction with State Route 96. 1066 Comment
  CHSC90275  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8541 Humboldt North Coast Ranges. Along Forest Road 13N01 18 miles from junction with State Route 96. 1066 Comment
  UC562662  Carex integra Joseph P. Tracy 1932-7-15 10589 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  CAS-BOT-BC7793  Carex laeviculmis Joseph Prince Tracy 1932-7-16 10635 Humboldt Trinity Summit 1584 Comment
  SEINET7563579 Image available Carex laeviculmis L. P. Janeway 2003-7-30 7938 Humboldt High North Coast Ranges, Cold Spring, 0.6 km north of the top of Titlow Hill. Grouse Mountain Quad. 1454 Comment
  UC562428  Carex laeviculmis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8995 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC7789  Carex laeviculmis Joseph Prince Tracy 1914-7-4 4524 Humboldt High Prairie on Bald Mountain. 1066 Comment
  CAS-BOT-BC31264  Carex lenticularis var. impressa Joseph Prince Tracy 1932-7-14 10554 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  UC562250  Carex lenticularis var. impressa Joseph P. Tracy 1935-7-23 14148 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC28504  Carex lenticularis var. limnophila Frank W. Peirson 1926-7-13 7046 Humboldt Along shore of first lagoon south of Orick Comment
  JEPS63584  Carex lenticularis var. limnophila W. L. Jepson 1921-8-7 9332 Humboldt Stone Lagoon Comment
  UC249732  Carex lenticularis var. limnophila Joseph P. Tracy 1924-7-13 6719 Humboldt Big Lagoon Northern Coast Region 6 Comment
  CAS-BOT-BC539862  Carex mendocinensis Alice Eastwood; John Thomas Howell 1937-6-24 4866 Humboldt 5 mi E of Berry Summit Comment
  HSC36162  Carex microptera Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1891 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  CHSC47355  Carex nudata L. P. Janeway 1984-5-13 784 Humboldt Levee on E side Eel River near Fortuna and Sandy Prairie Rd. 12 Comment
  CAS-BOT-BC119545  Carex nudata L. P. Janeway 1983-7-23 438 Humboldt Orleans quad. Along the E side Klamath River at N end of Dolan Bar ca 1 mi N of Orleans 91 Comment
  HSC44411  Carex nudata Thomas W. Nelson, Jane P. Nelson 1977-5-30 3407 Humboldt Mad River at Andersons Ford N of Dinsmore on the McKeown Ranch 610 Comment
  JEPS79852  Carex nudata Joseph P. Tracy 1935-6-22 13959 Humboldt mouth of Larrabee Creek (North Coast Ranges, Eel River); North Coast Ranges, Eel River 45 Comment
  SEINET3905221  Carex nudata L. P. Janeway 1983-7-23 434 Humboldt Arcata North quad, along north edge of Mad River, near junction of North Bank Road and Hunts Drive.; 0 Comment
  UC202482  Carex nudata J. P. Tracy 1903-5-22 1885 Humboldt Alder Point, Cahto Creek 152 Comment
  UC562241  Carex obnupta Joseph P. Tracy 1936-6-9 14892 Humboldt 3 mi e Cape Mendocino; Cape Ridge 243 Comment
  UCSC000111  Carex obnupta H. S. Yates 1936-6-16 5653 Humboldt 0.5 mile S.W. of Samoa - Eureka 0 Comment
  POM247172  Carex pachystachya Joseph P. Tracy 1935-6-8 13938 Humboldt Eureka. 0 Comment
  CAS-BOT-BC119226  Carex pachystachya Joseph Prince Tracy 1939-5-6 16282 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek. 152 Comment
  SEINET10883545  Carex pachystachya Joseph P. Tracy 1935-6-8 Tracy 13938 Humboldt Eureka. Damp place in open ground. Comment
  UC303146  Carex pachystachya Joseph P. Tracy 1925-7-5 7165 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC119166  Carex pansa Joseph Prince Tracy 1935-7-18 14104 Humboldt Low sandy growth at edge of sald marsh next to Table Bluff. 3 Comment
  CAS-BOT-BC118004  Carex rossii Joseph Prince Tracy 1949-5-8 18296 Humboldt Carlotta. Open flat by old Strong's District School House, 5 mi E of town. 60 Comment
  POM301293  Carex rossii Joseph P. Tracy 1949-5-8 18296 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town. 61 Comment
  SEINET7577056 Image available Carex subbracteata Andrew L. Hipp 1999-5-31 448 Humboldt Blocksburg, 1/8 mi N of the Blocksburg Dump, Alder Pt Road. 503 Comment
  UC562634  Carex subbracteata Joseph P. Tracy 1936-6-9 14904 Humboldt Upper Mattole 121 Comment
  UC562635  Carex subbracteata Joseph P. Tracy 1936-6-9 14904 1/2 Humboldt Upper Mattole 121 Comment
  UC562638  Carex subfusca Joseph P. Tracy 1936-6-17 14954 Humboldt lower foothills of nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  CHSC104060  Carex tumulicola Peter F. Zika 2009-6-15 24495 Humboldt Outer North Coast Range. Above Route 299, 2.3 road miles W of junction with Chezen Road between Lord-Ellis and Berry summits. 680 Comment
  JEPS63534  Carex tumulicola W. L. Jepson 1932-8-9 16535 Humboldt Bull Creek 106 Comment
  UC194812  Carex tumulicola Joseph P. Tracy 1912-7-26 3835 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC562337  Carex tumulicola Joseph P. Tracy 1930-7-10 8859 Humboldt Brannan Mountain Northern Coast Ranges 1219 Comment
  UC1561802  Carex tumulicola Barbara Ertter with Thomas J. Delendick 1987-5-16 6926 Humboldt ca. 15 air mi e Arcata (on n side of road, Vista Point just w of Berry Summit on Hwy. 299) 914 Comment
  UC197216  Carex tumulicola Joseph P. Tracy 4104 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS79867  Carex unilateralis Joseph P. Tracy 1933-6-9 12539 Humboldt Fortuna North Coast Ranges, Fortuna 18 Comment
  UC1115821  Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt old Strong's District School House, 5 miles E of town 45 Comment
  SEINET201052  Carex viridula Joseph P. Tracy 1934-7-30 13505 Humboldt Along coast in front of South End of Stone Lagoon. Dry Lagoon. 3 Comment
  CDA33171  Carex viridula subsp. viridula Gordon Leppig 1999-10-3 1258 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  UC665690  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt s Orick (in center of Dry Lagoon) 0 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
  CAS-BOT-BC249129  Castilleja affinis Doris K. Kildale 1926-6-8 2130 Humboldt Bug Creek 792 Comment
  UC1222837  Castilleja affinis subsp. affinis Joseph P. Tracy 1950-6-15 18799 Humboldt 7 mi n Harris; Mail Ridge Comment
  HSC99012  Castilleja affinis subsp. affinis C. Witte 2007-5-10 19 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1368 Comment
  UC179946  Castilleja affinis subsp. affinis Joseph P. Tracy 1914-5-14 4434 Humboldt Fort Seward; North Coast Ranges 121 Comment
  JEPS3288  Castilleja affinis subsp. litoralis C. R. Bell 1952-5-3 1324 Humboldt 1.8 mi s Trinidad (and 1.8 mi n of Little River, to the w of Highway 101) Comment
  UC1196863  Castilleja affinis subsp. litoralis Joseph P. Tracy 1912-4-21 3575 Humboldt n slope Humboldt Hill; Northern Coast Region, Humboldt Bay Region 0 Comment
  UC1541375  Castilleja affinis subsp. litoralis Harold E. Parks 1934-5-1 4828 Humboldt Trinidad; Spruce Cove Comment
  UC275302  Castilleja ambigua subsp. ambigua R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC1238991  Castilleja applegatei subsp. martinii Freed W. Hoffman 1949-7-15 3009 Humboldt e slope Mule Slide (a little s of Blue Ridge); North Coast Ranges, Mt. Lassic Area Comment
  UC582569  Castilleja attenuata Joseph P. Tracy 1932-5-1 9887 Humboldt vicinity Garberville 121 Comment
  CHSC95387  Castilleja exserta C. Sander 2005-8-16 CA 330 -81 Humboldt Ecoregion 14. Humboldt County. Manila Dunes ACEC. 3 Comment
  SBBG7041  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-25 3433 Humboldt sand dunes near Samoa Comment
  HSC49514  Castilleja exserta subsp. latifolia R. York 1979-5-18 292 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  CAS-BOT-BC244882  Castilleja miniata E. A. McGregor 1921-8-8 s.n. Humboldt 3 miles up Klamath River Comment
  HSC99043  Castilleja pruinosa Cara Witte 2008-6-4 678 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1307 Comment
  UC673104  Castilleja pruinosa Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16669 Humboldt Grouse Mt. 1463 Comment
  RSA517384  Castilleja wightii R. C. Bacigalupi, L. R. Heckard 1964-7-27 8962 Humboldt Shaded bend of road just (1/8 mile) above and east of Shelter Cove. On partly shaded N-facing road bank. Comment
  UC1502114  Ceanothus R. Sutherland 1976-5-11 7 .11.76 Humboldt just outside Sec 32 Pt. Delgado Quad.; Pt. Delgada Quad. 609 Comment
  UC1193335  Ceanothus cordulatus P. Zinke 1950-10-9 77 Humboldt King Peak King Peak Quad. 28D1 1280 Comment
  UC668171  Ceanothus cordulatus Joseph P. Tracy 1933-7-11 12681 Humboldt Cold Springs Grouse Mt. 1432 Comment
  HSC98788  Ceanothus cuneatus Cara Witte 2008-6-4 675 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1307 Comment
  UCD19484  Ceanothus cuneatus John M. Tucker 1948-9-3 1852 Humboldt Six Rivers National Forest (formerly part of Trinity National Forest), on Horse Mountain at junction of road to Grouse Mt. and road to Horse Mt. Mine. 1463 Comment
  SEINET10805177  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-5-11 Burge 1154 c Humboldt Willow Creek watershed, north-west slope of Brush Mountain, west of entrance to C.R.R. Brown and Sons Quarry, roadside on SR 299, 6.8 road miles (10.9 km) east of Berry Summit, 4.0 km 260 deg. (True) WSW of Willow Creek. 410 Comment
  UC728641  Ceanothus foliosus Milo S. Baker 1931-5-17 5192 Humboldt e Occidental (27.5 mi south of Garberville on hwy.) Comment
  CAS-BOT-BC49655  Ceanothus foliosus var. foliosus Dr. A. Kellogg; W. G. W. Harford 1868-1-1 s.n. Humboldt Red Mt. Route Comment
  HSC37596  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-28 15 .28575 Humboldt 503 Comment
  HSC101667  Ceanothus gloriosus var. exaltatus J. P. Smith, J. O. Sawyer 2011-4-23 13128 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  CAS-BOT-BC50054  Ceanothus incanus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  HSC37053  Ceanothus incanus R. Sutherland 1975-5-26 1 .26575 Humboldt 305 Comment
  HSC38377  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8054 Humboldt Nadelos Recreation site, King Range Conservation Area Comment
  HSC43194  Ceanothus incanus R. Sutherland 1975-5-13 9 .13575 Humboldt 579 Comment
  UC1502128  Ceanothus incanus R. Sutherland 1975-5-13 1 Humboldt Shelter Cove at King Range sign Garberville Quad. Comment
  POM118616  Ceanothus incanus Marcus E. Jones 1924-4-28 s.n. Humboldt Sagtorville Comment
  HSC18291  Ceanothus integerrimus L. D. Napier 1962-5-13 4 Humboldt 10 mi W of Junction City near Hwy. 299 457 Comment
  SBBG116570  Ceanothus integerrimus D. Wilken with E. Painter 2003-7-16 16151 Humboldt State Hwy 96, between Muddy and Weitchpec Crks, just E of Weitchpec 70 Comment
  UC33627  Ceanothus integerrimus Chesnut and Drew 1888-7-9 Humboldt Kneeland Prairie Comment
  UCR32170  Ceanothus integerrimus David J. Keil 1983-7-2 17325 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  HSC97918  Ceanothus integerrimus var. integerrimus Cara Witte 2007-6-14 276 Humboldt Along National Forest 1. Near Kinsey Ridge. 2 miles north of intersection with 4N06. 1319 Comment
  CAS-BOT-BC51702  Ceanothus papillosus W. R. Dudley 1899-10-30 s.n. Humboldt Head of Willow Creek Comment
  CAS-BOT-BC51209  Ceanothus parryi Mrs. E. C. Suttiffe 1933-6-3 s.n. Humboldt Redwood Highway, west Humboldt County Comment
  CAS-BOT-BC51216  Ceanothus parryi Mrs. H. C. Cantelow 1935-5-30 829 Humboldt N. of Garberville Comment
  CAS-BOT-BC51222  Ceanothus parryi C. Hart Merriam 1920-8-27 s.n. Humboldt South fork Eel River (10 miles so. of Garberville) Comment
  HSC36681  Ceanothus parryi R. Sutherland 1975-4-22 8 .22475 Humboldt E of China Creek at county rd. 207 Comment
  HSC43181  Ceanothus parryi R. Sutherland 1975-7-3 2 .3775 Humboldt Along Ettersburg Rd. 488 Comment
  JEPS42289  Ceanothus parryi Lincoln Constance 1934-5-24 632 Humboldt bordering lower Look Prairie on E side South Fork Eel River (Bull Creek Region) 121 Comment
Read comments
Mar 24 2013
  UC1193305  Ceanothus parryi P. Zinke 1950-8-26 159 Humboldt Salmon Creek 3 mi w Miranda; Quad. 29C1, Salmon Creek 91 Comment
  HSC23286  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1309 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  CAS-BOT-BC52992  Ceanothus thyrsiflorus Terry Hines; Ellen Purcell; Nina Williams 1988-5-1 66 Humboldt Korbel turnoff, 1/2 mile from weigh station on Hwy 299. 60 Comment
  RSA398934B  Ceanothus thyrsiflorus Bonnie C. Templeton 1964-6-13 10087 Humboldt Lighhouse Point, Trinidad Head. Comment
  RSA46912  Ceanothus thyrsiflorus Doris K. Kildale 1926-6-28 2183 Humboldt Bluffs above Big Lagoon Comment
  UC164836  Ceanothus velutinus Joseph P. Tracy 1911-7-9 3455 Humboldt along Willow Creek (tributary of Trinity River, near its mouth); Northern Coast Ranges, along Willow Creek 182 Comment
  UC275283  Ceanothus velutinus Joseph P. Tracy 1923-10-28 6590 Humboldt Bald Mountain 762 Comment
  CAS-BOT-BC277177  Centaurea X pouzinii T. C. Fuller 1960-8-25 4975 Humboldt Pacific Lumber Co., Perrott Creek, across Eel River from Dyerville Comment
  UCD129971  Centaurea benedicta P. B. Kennedy 1929-6-13 s.n. Humboldt Etter's Ranch, Ettersburg. Comment
  SEINET200849  Centaurea cyanus Joseph P. Tracy 1918-7-1 4963 Humboldt Along Eel River from South Fork to Scotia; Holmes Flat 61 Comment
  CDA20058  Centaurea diffusa R. Spadoni, Green 2002-10-9 PDR P 070865 Humboldt Northwestern California; Wasteground near old log pond at Pacific Lumber Co, Scotia. 0 Comment
  CDA7334  Centaurea solstitialis T. C. Fuller 1961-3-21 5856 Humboldt Freeway island, 1 mile northeast of the limits of Eureka. 0 Comment
  HSC37691  Centaurea solstitialis R. Sutherland 1976-8-18 5 .18876 Humboldt In the town of Briceland 192 Comment
  JEPS25793  Centaurium muehlenbergii L. R. Heckard 1960-8-23 1211 Humboldt about 0.5 mi s Dry Lagoon State Park (near Orick) 152 Comment
  JEPS11948  Centaurium muehlenbergii Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-10 4755 Humboldt 1 mi s Garberville (along U.S. Highway 101) 213 Comment
  UC906720  Centunculus minimus Joseph P. Tracy 1942-6-15 17156 Humboldt Garberville 152 Comment
  UC1196470  Cephalanthera austiniae Joseph P. Tracy 1932-7-20 10734 Humboldt Trinity Summit near Corral Prairie; Trinity Summit 1584 Comment
  JEPS64313  Cephalanthera austiniae W. L. Jepson 1902-7-14 2027 Humboldt Mud Spring to Summit Trinity Summit 1219 Comment
  CAS-BOT-BC384900  Cerastium arvense Doris K. Kildale 1929-5-26 9142 Humboldt Klamath River at Orleans 152 Comment
  BLMAR609  Cerastium arvense Jennifer Anthony-Wheeler 2011-4-21 609 Humboldt King range, Above Smith gulch. Strawberry Rock. KRSR0004 243 Comment
  HSC4095  Cerastium arvense Lincoln Constance 1934-6-3 805 Humboldt Rd. from High Rock on Redwood Hwy. 1 mi. N of Dyerville to Horse Prairie, S Fork Eel River, Bull Creek Comment
  CAS-BOT-BC384998  Cerastium fontanum Carl B. Wolf 1927-8-22 797 Humboldt Big Lagoon Comment
  UC668109  Cerastium fontanum subsp. vulgare Joseph P. Tracy 1933-5-28 12412 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  HSC79373  Cerastium glomeratum Kenneth Clark 1980-3-27 552 Humboldt Above Dead Man's Gulch 183 Comment
  HSC100415  Cerastium viscosum Carl C. Marshall Apr 1886 176 Humboldt Everywhere. Comment
  UC478904  Cercis occidentalis Marcus E. Jones, A. M. 1931-7-16 28996 Humboldt e Arcata; Junction Comment
  CAS-BOT-BC85654  Chamaecyparis lawsoniana Doris K. Kildale 1928-10-7 6749 Humboldt Willow Creek Canyon, 7 miles west of Trinity River. Comment
  CAS-BOT-BC85700  Chamaecyparis lawsoniana Carl B. Wolf 1927-8-28 s.n. Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Road, to Blue Lake. Comment
  SBBG11071  Chamaecyparis lawsoniana D. E. Breedlove 1961-7-4 646 Humboldt 7 mi W of Willow Crk on US Hwy 299 521 Comment
  UCD103625  Chamerion angustifolium Linda M. Barker 1976-8-24 1682 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC26872  Chamerion angustifolium subsp. circumvagum Clifton Raymond Chesbrough 1973-6-19 97 Humboldt 1/2 mi. N of College Cove along the coast Comment
  HSC55146  Chamerion angustifolium subsp. circumvagum G. L. Clifton, Griswold 1979-8-1 12051 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC76201  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-8-2 12521 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1197014  Chamerion angustifolium subsp. circumvagum Joseph P. Tracy 1946-7-28 17625 Humboldt head of Willow Creek Willow Creek Canyon (along Trinity Hwy) 762 Comment
  HSC99676  Cheilanthes gracillima Walter Overton, Marvin Butler 1979-7-25 9894 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  RSA685760  Cheilanthes gracillima Henry M. Pollard 1948-7-24 s.n. Humboldt Near Orleans. Comment
  HSC99115  Cheilanthes gracillima Cara Witte 2008-9-27 1044 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1483 Comment
  UC1598409  Cheilanthes gracillima J. Burtt Davy 1899-7-9 5387 Humboldt Harris to Hubbard's Station Comment
  UC1191327  Chenopodium macrospermum var. halophilum Malcolm A. Nobs and S. Galen Smith 1949-8-11 1340 Humboldt Stone Lagoon; marsh at e shore Comment
  HSC40249  Chenopodium polyspermum Linda M. Barker 1976-8-24 1680 Humboldt 3 mi. W of Arcata Comment
  CHSC69501  Chenopodium rubrum var. rubrum Vernon Oswald; Lowell Ahart 1997-9-4 8846 Humboldt North Coast Region, Coastal Strand. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  CAS-BOT-BC451380  Chimaphila menziesii L. B. Kildale 1930-8-10 10530 Humboldt Snow Camp, head of Redwood Creek Comment
  HSC54858  Chimaphila menziesii G. L. Clifton, Griswold 1979-7-25 10754 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC99517  Chimaphila menziesii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 180 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1197599  Chimaphila umbellata Joseph P. Tracy 1934-8-29 13634 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  RSA467017  Chimaphila umbellata subsp. occidentalis H. M. Pollard 1948-7-31 237 Humboldt Orleans Mt. 1372 Comment
  HSC15440  Chlorogalum pomeridianum Elrid H. Spinas 1948-5-15 13 Humboldt Horse Mtn. Comment
  HSC22044  Chlorogalum pomeridianum var. pomeridianum D. G. Hauger 1967-7-15 26 Humboldt Comment
  CAS-BOT-BC236914  Chloropyron maritimum subsp. palustre Eva Buxton 2002-8-1 2001 Humboldt Salt marsh off King Salmon Ave. near P.G.E. Eureka Comment
  CAS-BOT-BC30124  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-30 13036 Humboldt Northern Coast Ranges. Grouse Mountain 1524 Comment
  HSC98785  Chrysolepis chrysophylla var. chrysophylla Cara Witte 2007-9-14 649 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1649 Comment
  UC519307  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge; Northern Coast Ranges 1066 Comment
  HSC98791  Chrysolepis chrysophylla var. minor Cara Witte 2007-9-3 639 Humboldt Horse Mountain Botanical Area. Road 6N38. 1 mile east of Horse Mountain Mine. 1259 Comment
  UC1141460  Chrysosplenium glechomifolium Harold E. Parks Feb 1939 5267 Humboldt 2 mi n Trinidad (along McNeil's Creek); McNeil's Creek Comment
  UC1224690  Chrysosplenium glechomifolium D. E. Anderson 1964-4-12 2974 Humboldt small creek leading into Jacoby Creek (on n side of road) Comment
  HSC36303  Cicuta douglasii C. Cornish 1973-10-10 1 Humboldt Shore of Freshwater Lagoon Comment
  UC35383  Circaea alpina subsp. pacifica Harley P. Chandler June, 1901 1404 Humboldt North Coast Ranges, Klamath R. 365 Comment
  UC562520  Circaea alpina subsp. pacifica Joseph P. Tracy 1934-7-18 13459 Humboldt Grouse Mt. North Coast Ranges, Grouse Mt. 1524 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
  CAS-BOT-BC284408  Cirsium arvense Carl B. Wolf 1927-8-22 810 Humboldt Along the roadside at Orick Comment
  HSC5386  Cirsium brevistylum H. E. Parks, J. P. Tracy 1934-7-13 13383 Humboldt Trinidad Head 61 Comment
  CAS-BOT-BC278061  Cirsium douglasii var. breweri Alice Eastwood; John Thomas Howell 1937-6-24 4865 Humboldt 5 miles east of Berry Summit Comment
  SEINET11263070  Cirsium douglasii var. canescens Thomas Nelson 1976-7-9 2987 Humboldt Beside 1S07 just west of summit.; 0 1585 Comment
  HSC94050  Cirsium douglasii var. douglasii B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd., 4.8 mi. S of Hwy. 299 Comment
  UC202737  Cirsium douglasii var. douglasii Chesnut and Drew 1888-7-30 Humboldt Grouse Creek Comment
  UCD18977  Cirsium douglasii var. douglasii J. M. Tucker 1948-9-3 1850 Humboldt on Horse Mountain at junction of road to Grouse Mountain and road to Horse Mountain Mine. 1463 Comment
  OBI81553  Cirsium occidentale var. candidissimum Jill M. Bushakra, John Bushakra 2000-6-16 42 Humboldt Across Hwy 101/Hwy 271 from the Elfin Glen Gift Shop, north of the Standish-Hickey Prk. Opening in coniferous forest. 213 Comment
  CDA1548  Cirsium remotifolium var. rivulare E. C. Whitney 1968-7-25 s.n. Humboldt Larabee Valley State Hwy 36, 0.5 mi. E of bridge over the South Fork of the Van Duzen River. 0 Comment
  UC169297  Cirsium remotifolium var. rivulare Joseph P. Tracy 1912-7-27 3886 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS59312  Cirsium vulgare W. L. Jepson 1936-8-12 17890 Humboldt Philipsville South Fork Eel River, Philipsville Comment
  UC162624  Clarkia amoena Joseph P. Tracy 1911-7-10 3499 Humboldt along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges 762 Comment
  RSA46476  Clarkia amoena subsp. huntiana Doris K. Kildale 1927-7-25 3836 Humboldt Table Bluff Comment
  RSA0059976  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1947-6-12 424 Humboldt U.S. Highway 101, 4.8 miles north of Ohman Creek Bridge (4-07) Comment
  LA47440  Clarkia gracilis subsp. gracilis Joseph P. Tracy; 1912-7-31 3907 Humboldt Burr Valley, on NW slope of Buck Mountain 1066 Comment
  UC562524  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1936-6-10 14935 Humboldt w of mouth South Fork Trinity River 609 Comment
  UC562525  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1933-7-3 12634 Humboldt Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC172509  Clarkia purpurea subsp. quadrivulnera J. P. Tracy 1933-7-3 12634 Humboldt Trinity River at Willow Creek 152 Comment
  HSC97934  Clarkia purpurea subsp. quadrivulnera Cara Witte 2007-6-14 282 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  UC198877  Clarkia purpurea subsp. quadrivulnera Chesnut and Drew July 1888 Humboldt Campbell's Comment
  UC162625  Clarkia rhomboidea Joseph P. Tracy 1911-7-12 3520 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC67189  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5425 Humboldt Along NE side of Red Mtn. 1433 Comment
  HSC98784  Claytonia lanceolata Cara Witte 2008-6-2 663 Humboldt National Forest 1. 2 miles south of intersection with Forest Service Road 5N09. 1588 Comment
Read comments
Sep 23 2019
  UC673002  Claytonia perfoliata subsp. perfoliata Joseph P. Tracy 1927-5-15 8036 Humboldt near South Fork; Trinity River Valley 182 Comment
  CAS-BOT-BC443729  Claytonia rubra subsp. rubra Doris Kildale 1931-5-10 10551 Humboldt Snow Camp Comment
  HSC65860  Claytonia saxosa Gail Newton 1980-6-28 735 Humboldt Near Mad River Butte. 1536 Comment
  UC13660  Claytonia sibirica Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC672987  Claytonia sibirica Joseph P. Tracy 1932-7-14 10536 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  UC83824  Claytonia sibirica Harley P. Chandler May 1901 1090 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  SD90249  Claytonia sibirica Benjamin C. Stone 1952-6-19 112 Humboldt Humboldt Redwoods State Park; by Founders' Tree 152 Comment
  SEINET215096  Claytonia sibirica C. Wray 1964-3-27 12 Humboldt On William Hunsaker property Monument Rd ca 2 mi SW of Rio Dell Comment
  HSC15445  Clintonia andrewsiana J. F. Knezevich 1968-5-13 428 Humboldt Near Arcata above Freshwater Forest Comment
  HSC15451  Clintonia andrewsiana E. W. Styskel 1963-5-19 52 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 290 Comment
  JEPS61597  Clintonia andrewsiana Lincoln Constance 1934-6-3 810 Humboldt 1 mi n of Dyerville (road from High Rock (on Redwood Hwy) to Horse Prairie, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  RSA39092  Clintonia andrewsiana Philip A. Munz 1948-8-15 12359 Humboldt Van Duzen Redwood State Park. Comment
  SEINET12047067  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -610 Humboldt Arcata, Humboldt State University Forest, W of campus 198 Comment
  UC1197661  Clintonia uniflora Joseph P. Tracy 1939-5-30 16299 Humboldt opposite Buck Mountain (near Dinsmore's Ranch, Van Duzen River); Van Duzen River 762 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
  BLMAR629  Collinsia parviflora Jennifer Wheeler 2011-6-15 629 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  HSC32342  Collinsia parviflora D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5639 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC147888  Collinsia parviflora Joseph P. Tracy 1908-6-9 2658 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC908726  Collomia grandiflora Joseph P. Tracy 1932-7-13 10501 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  UC908752  Collomia grandiflora Joseph P. Tracy 1933-7-3 12635 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS71031  Collomia grandiflora Milo S. Baker 1923-7-20 37 Humboldt head Yager Creek Comment
  UC52837  Collomia grandiflora Joseph Burtt Davy and Walter C. Blasdale 1899-5 5770 Humboldt hills around Hoopa Valley 304 Comment
  UC1197837  Collomia heterophylla Joseph P. Tracy 1947-7-5 17791 Humboldt ridge top one mi w Mud Springs; Trinity Summit 1158 Comment
  HSC44406  Collomia heterophylla R. York 1978-5-6 158 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  SEINET8729295 Image available Collomia heterophylla S. K. Harris 1942-1 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E 600 Comment
  HSC99064  Collomia tracyi Cara Witte 2007-7-20 569 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1522 Comment
  JEPS26236  Collomia tracyi Joseph P. Tracy 1939-8-5 16373 Humboldt Dinsmore's; Van Duzen River 737 Comment
  SBBG103147  Collomia tracyi D. H. Wilken with C. Donahue 1976-7-16 12708 Humboldt Horse Mtn Natural Area, N of Berry Summit 1310 Comment
  HSC28189  Convolvulus arvensis Richard Curtis 1973-9-28 25 Humboldt Along R. R. track near mouth of Nanning Cr. Comment
  UC1199443  Conyza floribunda Joseph P. Tracy 1929-10-13 8679 Humboldt Carlotta 60 Comment
  HSC38101  Coptis laciniata Thomas W. Nelson, James Nelson 1976-5-30 2620 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC99048  Corallorhiza mertensiana Cara Witte 2007-6-20 315 Humboldt National Forest 1. 1.5 miles south of Titlow Hill. 1439 Comment
  HSC1800  Cordylanthus maritimus subsp. palustris William J. Ferlatte, B. D. Rogers 1966-8-15 3125 Humboldt 6 mi. E of Korbel. Cutoff Redwood. Note from collector, 14 Sep. 1971: 'Probably mislabeled as to locality'. Comment
  CAS-BOT-BC212016  Cornus nuttallii Doris K. Kildale 1926-4-6 1719 Humboldt Dobbyn Creek, near mouth Comment
  RSA697172  Cornus nuttallii J. R. Bruff 1937-8-17 919 Humboldt Richardson Grove. Comment
  CAS-BOT-BC210454  Cornus sericea subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  UC502981  Cornus sericea subsp. sericea Joseph P. Tracy 1929-8-18 8654 Humboldt opposite Buck Mt. (on Van Duzen R., Dinsmore's Ranch); Northern Coast Ranges, Van Duzen R., Dinsmore's Ranch 670 Comment
  JEPS50174  Cornus sessilis Joseph P. Tracy 1922-4-30 6040 Humboldt Three Creeks Northern Coast Ranges, Three Creeks 670 Comment
  UC154068  Cornus sessilis Mrs. M. H. Manning 1902-1 Humboldt near Hupa Comment
  UC161494  Coronopus didymus Joseph P. Tracy 1901-7-31 1234 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC180304  Corylus cornuta subsp. californica P. C. Everett; E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek, Hwy. 96 from Orleans to Weitchpec 121 Comment
  UCD110089  Corylus cornuta subsp. californica J. Street 1950-6-24 s.n. Humboldt Honeydew. Comment
  RSA730001  Cotoneaster pannosus Peter F. Zika 2007-7-20 263324 Humboldt NCo, North Coast: Lynda Lane near high school, S end of Big Lagoon. 20 Comment
  UC249631  Crassula aquatica Joseph P. Tracy 1921-4-24 5446 Humboldt S. Fork Eel R., Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  HSC5439  Crepis acuminata J. P. Tracy 1926-6-20 7621 Humboldt Horse Mt. Comment
  UC1199453  Crepis capillaris Joseph P. Tracy 1919-5-31 5139 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  UCSB30599  Crepis capillaris Edwards, David 1974-7-13 Humboldt SW. of intersection of Fickle Hill Rd. and Hill St., ca. 1/3 mi. E. of U.S. 101, Arcata 36 Comment
  CAS-BOT-BC376474  Crepis pleurocarpa Joseph P. Tracy 1935-7-28 14332 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  UC1225822  Crepis setosa Joseph P. Tracy 1948-9-20 18215 Humboldt Hoopa Valley 106 Comment
  CAS-BOT-BC299701  Crocidium Doris K. Kildale 1929-4-28 7468 Humboldt Between Little Van Duzen River and Dinsmores on Bridgeville - Red Bluff Road Comment
  UC1199229  Crocidium multicaule Joseph P. Tracy 1930-5-4 8690 Humboldt Larrabee Valley 701 Comment
  HSC5462  Crocidium multicaule D. H. Norris 1969-3-1 2272 Humboldt Along Trinity River at Norton Creek, ca. 4 mi. N of Hoopa Comment
  HSC57991  Cryptantha affinis G. L. Clifton, Griswold 1979-7-31 11739 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1239660  Cryptantha leiocarpa Joseph P. Tracy 1932-5-16 10105 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  HSC95656  Cryptantha leiocarpa Andrea Pickart 2002-4-3 26 Humboldt Samoa Dunes, City of Eureka airport. 0 Comment
  UC79506  Cryptantha torreyana J. W. Blankinship 1893-6-29 Humboldt Eel River Comment
  JEPS67872  Cryptantha torreyana Joseph P. Tracy 1921-6-19 5841 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  RSA249509  Cuscuta salina R. F. Thorne, P. C. Everett 1965-8-8 35280 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  UCD60075  Cynodon dactylon Joseph P. Tracy 1948-8-22 18108 Humboldt Vicinity of Carlotta. 30 Comment
  RSA67017  Cynoglossum grande E. K. Balls 1951-5-9 16516 Humboldt ca. 5 miles S of Richardson s Grove, Highway 101. Comment
  UC1239626  Cynoglossum grande Joseph P. Tracy 1923-3-17 6166 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  SACT000843  Cynosurus cristatus Malcolm Nobs, S. Smith 1949-8-3 Humboldt Marsh and bog land at the southern outskirts of Eureka. Comment
  POM89794  Cyperus bipartitus Joseph P. Tracy 1920-8-15 5366 Humboldt Klamath River, at mouth of Bluff Creek 152 Comment
  JEPS79882  Cypripedium californicum Joseph P. Tracy 1926-6-27 7669 Humboldt Horse Mountain Northern Coast Ranges 1463 Comment
  HSC32333  Cystopteris fragilis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5635 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC54855  Cystopteris fragilis G. L. Clifton, Griswold 1979-7-25 10750 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  JEPS35194  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt S. Fork Eel River Comment
  CSUSB1618  Cytisus monspessulanus Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC14680  Cytisus multiflorus R. A. Magie 1964-5-3 56 Humboldt 2 mi. N of Trinidad on old Hwy. to Crescent City. Comment
  HSC11996  Cytisus scoparius D. La Conte 1970-7-7 21 Humboldt On Walnut Ave. at intersection with Campton Rd. Comment
  HSC89606  Cytisus scoparius M. Roantree 1985-5-7 44 Humboldt E side of Trinidad Head Comment
  SEINET8477238  Cytisus scoparius D. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of snowline fox farm (Larabee Valley 7 1/2 USGA quadrangle placename), vicinity of the road crossing of Knack Creek 341 Comment
  HSC79501  Dactylis glomerata Kenneth Clark 1980-6-14 685 Humboldt Shelter Cove; in stream alluvium of N fork of Dead Man's Gulch 198 Comment
  SEINET200661 Image available Dactylis glomerata J. P. Tracy 1927-6-24 8205 Humboldt Northern Coast Ranges 0 Comment
  CAS-BOT-BC189744  Danthonia californica Joseph P. Tracy 1932-7-10 10392 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 Comment
  HSC58653  Danthonia californica G. L. Clifton, Griswold 1979-7-31 11723 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1152019  Danthonia unispicata Joseph P. Tracy 1951-7-26 19593 Humboldt Redwwod Creek Board Camp Mountain (extreme head, n side of mt.) Comment
  UC1198874  Darmera peltata Joseph P. Tracy 1935-9-29 14755 Humboldt Blue Slide Van Duzen River (on the Van Duzen River) 91 Comment
  UC204116  Darmera peltata Joseph P. Tracy 1918-5-27 4934 Humboldt foot of Grouse Mt. (Redwood Creek); Northern Coast Ranges 457 Comment
  RSA43886  Daucus carota H. M. Pollard 1948-8-7 s.n. Humboldt Near Orleans Comment
  UC164990  Deinandra corymbosa J. P. Tracy 1902-8-10 1768 Humboldt immediate vicinity Eureka 0 Comment
  HSC24780  Delairea odorata Barbara Kelly 1971-11-15 230 Humboldt North Bank Rd. next to Hwy. 101, McKinleyville Comment
  RSA114999  Delphinium decorum E. K. Balls, Lee W. Lenz 1955-5-15 20741 Humboldt 13.5 miles SW from Ferndale along Old Coast road to Capetown. 335 Comment
  HSC97592  Delphinium decorum subsp. tracyi Steven Lee 2004-4-26 29 Humboldt Horse Mtn., 5 mi. up Titlow Hill Rd. from Hwy. 299 Comment
  HSC100367  Delphinium decorum subsp. tracyi J. McRae 2010-6-23 Humboldt Jones Ridge off F.S. Rd. 27N02. 1433 Comment
  HSC85771  Delphinium hesperium Andrea Begnoche, Leonel Arguello, Bobbi Schnell 1987-4-24 41 Humboldt 24 mi. E of Blue Lake on Titlow Rd., 100 yds. from Hwy. 299 854 Comment
  UC9180  Delphinium hesperium subsp. pallescens Harley P. Chandler June 1901 1410 Humboldt Klamath River North Coast Ranges 304 Comment
  CAS-BOT-BC9956  Delphinium nudicaule Joseph Prince Tracy 1927-5-30 8084 Humboldt Near Briceland 243 Comment
  SEINET12099565  Delphinium nudicaule J. P. Tracy 1950-1 18815 Humboldt Mail Ridge, N of Harris 7 mi, "Huestis Rock" on NE side of Ridge Comment
  UC1222575  Delphinium trolliifolium Joseph P. Tracy 1951-6-26 19559 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Twin Lakes Comment
  UC1334518  Delphinium trolliifolium G. A. L. Mehlquist and J. A. Jenkins 1940-5-29 9 Humboldt 1 1/2 mi n Kneeland Comment
  UCD131743  Delphinium trolliifolium Collector unknown 2013-4-23 s.n. Humboldt Near Ferndale. 914 Comment
  CAS-BOT-BC121964  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  UC1222573  Delphinium trolliifolium Joseph P. Tracy 1950-6-25 18883 Humboldt nw slope Buck Mountain, Burr Valley 1066 Comment
  UC13983  Delphinium trolliifolium Chesnut and Drew 1888-7-9 Humboldt Campbell's Comment
  POM207102  Deschampsia cespitosa Jos Burtt Davy, W. C. Blasdale 6194 Humboldt Lake Mendocino Comment
  UCD61243  Deschampsia cespitosa Linda M. Barker 1976-7-5 1645 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC192701  Deschampsia danthonioides Joseph P. Tracy 1935-6-23 13969 Humboldt French Camp Ridge 1066 Comment
  UC183580  Deschampsia danthonioides Joseph P. Tracy 1912-7-25 3832 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC174313  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
  CAS-BOT-BC201772  Deschampsia elongata W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  CAS-BOT-BC201773  Deschampsia elongata Doris K. Kildale 1927-7-22 3825 Humboldt Lassecks Peaks near Corral Camp 1661 Comment
  CAS-BOT-BC201777  Deschampsia elongata Joseph P. Tracy 1932-7-14 10552 Humboldt At Corral Prairie 1524 Comment
  HSC102184  Deschampsia elongata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1098 Humboldt Patterson Meadows 1566 Comment
  HSC58650  Deschampsia elongata G. L. Clifton 1979-7-31 11682 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC76544  Deschampsia elongata Teresa Prendusi 1981-7-7 120 Humboldt Near Slate Creek Butte. 1158 Comment
  JEPS75412  Deschampsia elongata W. L. Jepson 1932-7-24 16381 Humboldt 91 Comment
  HSC99586  Dianthus armeria K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 251 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1387 Comment
  SJSU1033  Dicentra formosa A. C. Browne 1950-5-23 Humboldt Weott Comment
  UC1116210  Dicentra uniflora Joseph P. Tracy 1942-6-23 17253 Humboldt near Water-dog Lakes (Trinity Summit); Trinity Summit 1828 Comment
  CAS-BOT-BC209195  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1925-7-5 7168 Humboldt High Prairie, on Bold Mountain 1066 Comment
  UC843537  Dichelostemma Elizabeth Parsons Hawver Jun 1915 Humboldt Carlotta Comment
  UC275547  Dichelostemma X venustum Joseph P. Tracy 1923-7-4 6524 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  SEINET6879154  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  CHSC31277  Dichelostemma ida-maia Mark Stopher 1980-5-28 72 Humboldt Hillside along Hwy 169 1.2 mi e of Martins Ferry Bridge. 170 Comment
  RSA120194  Dichelostemma ida-maia S. S. Tillett 1956-7-6 622 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  CAS-BOT-BC501025  Dichelostemma ida-maia M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  CAS-BOT-BC500982  Dichelostemma multiflorum Harley P. Chandler 1901-6-1 1310 Humboldt Hupa Indian Reservation 152 Comment
  HSC6401  Dichondra donelliana J. P. Tracy 1932-3-20 9785 Humboldt Near ocean, Trinidad 3 Comment
  CAS-BOT-BC153237  Diplacus kelloggii S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3406 Humboldt Burr Valley, on Buck Mountain 1036 Comment
  CAS-BOT-BC153233  Diplacus kelloggii Dave Imper 1985-6-19 s.n. Humboldt Roadbed (10N01), 2 mi. west of Whitey's Peak 1066 Comment
  UCR67630  Disporum smithii Michael A. Hanson 1990-5-21 71 Humboldt Little Creek Trail in Redwood National Park; on the E side of Hwy 101 c. 7 mi (11 km) south of Klamath. 325 Comment
  RSA46481  Dodecatheon hendersonii Doris K. Kildale 1927-3-20 2908 Humboldt Phillipsville Comment
  JEPS9492  Dodecatheon hendersonii Joseph P. Tracy 1927-5-15 8061 Humboldt near summit on road w from Hoopa to Bair's; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC56167  Dodecatheon jeffreyi G. L. Clifton, Griswold 1979-8-1 12056 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC562750  Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt in cold wet meadow near High Prairie (Bald Mountain); Northern Coast Ranges, , nr High Prairie 1066 Comment
  UC1199180  Draba verna Joseph P. Tracy 1931-3-26 9290 Humboldt along Van Duzen River (Alton); North Coast Ranges, along Van Duzen River 30 Comment
  HSC12219  Drosera rotundifolia Gary J. Stebbins 1970-5-10 77 Humboldt S end of Big Lagoon, just S of the Rd. that crosses the marsh, 1.1 mi. N of the Big Lagoon store. Comment
  RSA0011675  Drosera rotundifolia Norman Dennis 1965-6-30 140 Humboldt Big Lagoon County Park, southwest corner of Big Lagoon. Comment
  CAS-BOT-BC113644  Eleocharis acicularis Doris K. Kildale 1925-8-17 1268 Humboldt Trinity Summit. Water Dog Lake. 1828 Comment
  CAS-BOT-BC112840  Eleocharis macrostachya LeRoy Abrams 1922-6-25 8267 Humboldt Big Lagoon, south of Orick Comment
  CHSC96433  Eleocharis pachycarpa Gordon Leppig 1998-7-19 979 Humboldt Big Lagoon County Park, Big Lagoon Bog. UTM Zone 10 NAD 1927, 405321E, 4557202N. 3 Comment
  HSC7324  Eleocharis pachycarpa J. P. Tracy, H. E. Parks 1931-6-7 9569 Humboldt Trinidad 61 Comment
  HSC58814  Eleocharis quinqueflora G. L. Clifton, Griswold 1979-8-1 12054 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC73057  Elymus X hansenii M. A. Baker 1980-7-23 3163 Humboldt Near Orleans Mtn. 1859 Comment
  SEINET201037  Elymus X hansenii Joseph P. Tracy 1930-7-16 9054 Humboldt South Fork Moutain, open glades along summit near Blake lookout. Comment
  SEINET201036  Elymus elymoides subsp. brevifolius Joseph P. Tracy 1919-9-23 5279 Humboldt Trinity Summit 1829 Comment
  HSC36619  Elymus glaucus J. D. Ackerman 1974-5-25 256 Humboldt Trinidad, Trinidad Beach S of Trinidad Head. Comment
  UC186000  Elymus glaucus Joseph P. Tracy 1912-6-9 3659 Humboldt Alton Northern Coast Region 30 Comment
  CAS-BOT-BC203475  Elymus glaucus subsp. glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie, on Bald Mountain 1066 Comment
  HSC45112  Elymus glaucus subsp. glaucus R. Sutherland 1978-4-25 8 .25478 Humboldt 9 Comment
  HSC98925  Elymus multisetus Cara Witte 2008-7-30 969 Humboldt Forest Service Road 4N32. 1/2 mile north of intersection with Forest Service Road 4N32B. 1417 Comment
  RSA10018  Elymus repens Joseph P. Tracy 1925-9-13 7267 Humboldt Mouth of Eel River 6 Comment
  CAS-BOT-BC204329  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek 762 Comment
  CHSC110737  Enemion stipitatum Dean Wm. Taylor 2011-5-4 21117 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junction with Highway 36. 737 Comment
  RSA43871  Epilobium angustifolium var. macrophyllum H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  RSA40412  Epilobium brachycarpum P. A. Munz 1948-8-13 12348 Humboldt Highway 229, 21 miles E of Blue Lake. 762 Comment
  UC183696  Epilobium campestre Joseph P. Tracy 1912-8-4 3978 Humboldt Carlotta 60 Comment
  CDA38081  Epilobium ciliatum T. C. Fuller 1958-6-17 17 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC49628  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4943 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC583053  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-12 14379 Humboldt Willow Creek Comment
  UC726349  Epilobium ciliatum subsp. ciliatum A. A. Heller 1923-7-8 13767 Humboldt 10 mi s Dyerville; Humboldt Camp Comment
  UC562504  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1933-8-6 12941 Humboldt along stream French Camp Ridge 1066 Comment
  HSC99304  Epilobium ciliatum subsp. glandulosum Jimerson, J. Pageau 1979-8-10 743 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  UC562508  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1935-8-25 14228 Humboldt Corral Prairie Trinity Summit (in meadow) 1584 Comment
  HSC99114  Epilobium ciliatum subsp. glandulosum Cara Witte 2007-6-8 238 Humboldt Intersection of National Forest 1 and 4N38. Intersection to Board Camp Mountain. 1395 Comment
  RSA22708  Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-07 24050 Humboldt Spruce Cove, Trinidad. 64 Comment
  UC562505  Epilobium ciliatum subsp. watsonii Joseph P. Tracy 1936-8-17 15153 Humboldt near Field's Landing (borders of pond) 6 Comment
  POM225270  Epilobium foliosum P. A. Munz 1936-8-10 14341 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  HSC102624  Epilobium hallianum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1611 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  POM89781  Epilobium hallianum Joseph P. Tracy 1919-9-18 5234 Humboldt Trinity Summit. 1829 Comment
  HSC76622  Epilobium minutum Denis Kearns 1981-7-22 322 Humboldt Near Whiteys Peak. 1487 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
  JEPS64369  Epipactis gigantea Lincoln Constance 1934-6-12 858 Humboldt Bull Cr. road and N. bank of S. Fork Eel River; South Fork Eel River, Bull Creek region, Dyerville Comment
  POM301295  Epipactis gigantea Joseph P. Tracy 1949-7-7 18335 Humboldt Blue Slide, on Van Duzen River 91 Comment
  HSC100382  Equisetum arvense Carl C. Marshall May 1886 199 Humboldt Fields. Comment
  HSC98903  Equisetum laevigatum Cara Witte 2007-7-25 580 Humboldt Forest Service Road 5N10. Approximately 2 miles south from intersection with Forest Service Road 5N41. 1290 Comment
  HSC880  Equisetum telmateia subsp. braunii D. B. Bader 1963-3-1 10 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  MACF015290  Equisetum telmateia subsp. braunii Barbara Joe 1958-8-24 27239 Humboldt Garbervills Comment
  UCD64457  Eragrostis pectinacea Collector Unknown 1946-11 Humboldt Orleans. Comment
  RSA95041  Erechtites glomeratus F. W. Peirson 1926-7-12 7037 Humboldt Right bank of Redwood Creek, Orick Comment
  CAS-BOT-BC299908  Erechtites minimus A. A. Heller 1923-7-8 13766 Humboldt State redwood camp 10 miles south of Dyerville Comment
  CAS-BOT-BC299910  Erechtites minimus Doris K. Kildale 1925-7-28 1104 Humboldt On the Van Duzen River near Strong's Station Comment
  POM272118  Erechtites minimus Lyman Benson 1929-7-15 1821 Humboldt Clam Beach, Trinidad. Comment
  HSC81904  Eremogone congesta Thomas W. Nelson 1979-7-11 4994 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC102576  Eremogone congesta var. subcongesta M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1563 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC98010  Ericameria nauseosa var. speciosa Cara Witte 2007-9-14 650 Humboldt National Forest 1. 1/2 mile south of intersection with Forest Service Road 6N01B. 1666 Comment
  UC1223016  Erigeron aliceae Joseph P. Tracy 1950-7-31 19237 Humboldt top of Grouse Mountain 1524 Comment
  CAS-BOT-BC293612  Erigeron biolettii Doris K. Kildale 1929-8-4 8777 Humboldt Mattole River at Union Mattole Comment
  JEPS41518  Erigeron foliosus var. confinis Harley P. Chandler 1901-6-1 1427 Humboldt Klamath River North Coast Ranges, Klamath River 243 Comment
  UC581721  Erigeron foliosus var. mendocinus Joseph P. Tracy 1931-5-17 9433 Humboldt near Willow Creek; Trinity River 152 Comment
  POM225418  Erigeron inornatus var. biolettii P. A. Munz 1936-8-9 14331 Humboldt South fork of Eel River, 5 miles north of Humboldt-Mendocino County line Comment
  CAS-BOT-BC214580  Erigeron philadelphicus D. E. Breedlove 1962-6-8 3064 Humboldt On U.S. Highway 101, 3 miles south of Orick Comment
  JEPS25617  Erigeron philadelphicus var. philadelphicus Rimo Bacigalupi 1959-7-7 7250 Humboldt immediately behind bluff headland (just n of road summit at this point); Cape Mendocino 30 Comment
  UC1223135  Erigeron strigosus var. strigosus Joseph P. Tracy 1950-7-15 19046 Humboldt 1 mi n of mouth Willow Creek; Trinity River Comment
  UC249848  Erigeron strigosus var. strigosus Joseph P. Tracy 1923-6-27 6384 Humboldt Trinity River Valley, near Willow Creek Comment
  HSC102097  Eriogonum compositum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1000 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  CAS-BOT-BC248810  Eriogonum compositum var. compositum L. B. Kildale 1930-8-3 10343 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  CAS-BOT-BC248808  Eriogonum compositum var. compositum Volney Rattan 1883-6-1 s.n. Humboldt Summit bet. Mad R. & Pilot Cr. Comment
  CHSC55905  Eriogonum latifolium L. P. Janeway 1987-7-31 2539 Humboldt Vicinity of Eurekal North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  LA206939  Eriogonum latifolium Marcus E. Jones; 1931-7-12 28806 Humboldt Alton Comment
  UC418996  Eriogonum latifolium H. E. Parks 1924-8-5 2454 Humboldt sand dunes, Little River lagoon Little River lagoon Comment
  POM180649  Eriogonum latifolium Mildred E. Mathias 1929-8-4 770 Humboldt Along the coast near Eureka. Comment
  POM319175  Eriogonum latifolium Patricia Wilder 1968-8-21 4400 Humboldt Northern coastal arm of Humboldt Bay, ca. 2 miles SW of Samoa. Humboldt Bay drainage area. 8 Comment
  RSA766119  Eriogonum latifolium Arthur Menzies 1961-9-3 s.n. Humboldt Samon Comment
  SEINET6944764  Eriogonum nudum Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  UC162628  Eriogonum nudum var. nudum Joseph P. Tracy 1911-7-4 3294 Humboldt along Willow Creek, near its mouth N. Coast Ranges, Willow Creek (Tributary of Trinity River) 243 Comment
  HSC99068  Eriogonum nudum var. oblongifolium Cara Witte 2007-6-19 297 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC479118  Eriogonum nudum var. oblongifolium Marcus E. Jones, A. M. 1931-7-12 28806 Humboldt Alton Comment
  UC146154  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1908-7-1 2896 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers); Northern Coast Ranges 609 Comment
  UC54703  Eriogonum nudum var. pubiflorum Harley P. Chandler June, 1901 1468 Humboldt Klamath River North Coast Ranges, Klamath River 365 Comment
  CAS-BOT-BC269865  Eriogonum nudum var. pubiflorum J. H. Thomas 1949-6-13 926 Humboldt Klamath River Valley between Weitchpec and Hoopa Comment
  RSA393303  Eriogonum nudum var. pubiflorum H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  UC672893  Eriogonum umbellatum var. argus Joseph P. Tracy 1935-7-28 14329 Humboldt head of Devil's Hole Trinity Summit, Devil's Hole 1828 Comment
  SEINET3860110  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along U.S. Forest Service Road 1 at S end of Whiting Ridge, about 0.5 air mi WNW of High Salt Ground and 9.3 air mi W of Hyampom.; 0 1295 Comment
  SEINET5333035  Eriogonum umbellatum var. nelsoniorum J. L. Reveal 2001-7-18 8346 Humboldt Along U.S. Forest Service Road 1 northwest of Grouse Mountain at milepost 14.3, about 10.3 air miles southwest of Salyer 1372 Comment
  HSC99135  Eriogonum umbellatum var. nelsoniorum Cara Witte 2008-7-10 854 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  HSC55087  Eriogonum umbellatum var. polyanthum G. L. Clifton, Griswold 1979-7-31 11755 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC54754  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10278 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC74176  Eriogonum umbellatum var. stellatum M. A. Baker 1980-7-23 3149 Humboldt Near Orleans Mtn. 1859 Comment
  SEINET3841345 Image available Eriogonum umbellatum var. stellatum Joseph P. Tracy 1935-7-23 14133 Humboldt Trinity Summit, Corral Prairie 1585 Comment
  HSC98924  Eriophorum crinigerum Cara Witte 2007-5-24 116 Humboldt Horse Mountain Botanical Area. Along Forest Service Rd. 6N38. Near Horse Mountain Mine. 1284 Comment
  BLMAR539  Eriophyllum lanatum Jennifer Wheeler 2009-6-23 539 Humboldt King range, On Paradise Ridge road Comment
  HSC48029  Eriophyllum lanatum Brad Klipfel 1974-6-25 425 Humboldt Horse Mtn. Comment
  CAS-BOT-BC301018  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-21 10662 Humboldt Vanduzen [Van Duzen] River Comment
  UC1199140  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1933-7-25 12875 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC1223133  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1950-5-24 18696 Humboldt Cummings Post Office Comment
  RSA12442  Eriophyllum lanatum var. achilleoides C. B. Wolf 1934-7-1 5851 Humboldt Along Eel River and Redwood Highway, 1.2 mi. S of F. K. Lane Grove. 61 Comment
  UC165189  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1908-6-7 2609 Humboldt bluffs on river at mouth of Maple Creek; Northern Coast Ranges, Mad River 152 Comment
  CAS-BOT-BC301180  Eriophyllum lanatum var. arachnoideum Carl B. Wolf 1927-8-29 1193 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge--Mt. Glen Comment
  UC204867  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1918-7-21 5082 Humboldt Humboldt Hill Northern Coast Ranges of California, Humboldt Hill 152 Comment
  UCD132187  Eriophyllum lanatum var. arachnoideum James P. Smith 1973-5-26 6839 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC74750  Eriophyllum lanatum var. grandiflorum Gail Newton 1981-7-10 2228 Humboldt Near Board Camp Butte 1494 Comment
  UC165849  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 Humboldt w side of river near Willow Creek; North Coast Ranges, Trinity River 304 Comment
  JEPS34643  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1933-8-6 12936 Humboldt French Camp Ridge Comment
  UC90272  Eriophyllum lanatum var. lanceolatum Volney Rattan Jul 1878 Humboldt Comment
  UC668047  Erodium cicutarium Joseph P. Tracy 1933-5-28 12407 Humboldt at Eureka Eureka 15 Comment
  JEPS14258  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-8-20 16125 Humboldt Alton 30 Comment
  CAS-BOT-BC41574  Erysimum capitatum S. K. Harris 1936-6-20 3493 Humboldt Above Van Duzen River about 3 miles west of Bridgeville. Comment
  HSC53822  Erysimum capitatum var. capitatum Terry Griswold, Marvin Butler 1979-7-10 6266 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC57666  Erysimum capitatum var. capitatum G. L. Clifton, Terry Griswold 1979-7-25 10849 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC26313  Erysimum menziesii Thomas W. Nelson 1971-4-16 383 Humboldt Near Samoa coast Guard Station. Comment
  SEINET13679562 Image available Erythranthe floribunda Joseph P. Tracy 1911-1 3364 Humboldt Kobyo ranch, Along road between three creeks and mouth of willow creek. 762 Comment
  HSC65180  Erythronium californicum T. Jimerson, J. Pageau 1979-4-18 423 Humboldt Rd. 6N21 100 yds. S of its junction with Hwy. 299, E side of rd. Comment
  SEINET10834222  Erythronium californicum Frank W. Gould 1939-5-30 Gould 826 Humboldt Top of Horse Mountain, in open Libocedrus-Pinus Jeffreyi-P. monticola forest; 4000 feet. 1220 Comment
  HSC48836  Erythronium grandiflorum subsp. grandiflorum Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 29 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  RSA367654  Erythronium revolutum Thomas W. Nelson 1976-4-3 2283 Humboldt Hwy 36 at east end of Swains Flat. Comment
  HSC58818  Eucephalus ledophyllus Gilbert Muth 1979-8-1 12103 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  CAS-BOT-BC310453  Eucephalus ledophyllus var. covillei Doris K. Kildale 1925-8-17 1214 Humboldt (Near to) Trinity Summit 1917 Comment
  UC562614  Euchiton gymnocephalus Joseph P. Tracy 1936-5-29 14829 Humboldt 2 mi ne Orick (on Bald Hills road) 152 Comment
  UC1199350  Euchiton sphaericus Joseph P. Tracy 1925-8-9 7229 Humboldt near Miranda; North Coast Ranges, South Fork of Eel River 91 Comment
  UC562615  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC310489  Euchiton sphaericus Joseph P. Tracy 1915-9-12 4677 Humboldt Northern Coast Ranges. Mouth of Laribee Creek 60 Comment
  CAS-BOT-BC206801  Euonymus occidentalis Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  HSC75354  Euonymus occidentalis J. O. Sawyer, M. A. Ericksen 1980-7-18 3642 Humboldt Along FS Rd. 10N02, S of Middle Fork of Mill Creek Comment
  SEINET10493552  Euphorbia Mary Susan Taylor 1990-8-22 Taylor 6080 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  SEINET5781777 Image available Euthamia occidentalis S. K. Harris, C. Wilder 1938-9-7 Humboldt Bars of the Van Dusen River, above Blue Slide Comment
  UC1199325  Euthamia occidentalis Joseph P. Tracy 1918-9-29 5112 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork Eel River above its mouth 60 Comment
  HSC22607  Euthamia occidentalis J. P. Smith, J. O. Sawyer 1971-10-16 5050 Humboldt 2.1 mi. E of Carlotta on Calif. 36 Comment
  UC166500  Euthamia occidentalis Joseph P. Tracy 1905-10-1 2395 Humboldt near mouth of Elk River; Northern Coast Range, region about Humboldt Bay 0 Comment
  SEINET200342 Image available Festuca californica J. P. Tracy 1901-6-23 1175 Humboldt Eureka. 0 Comment
  UCR64441  Festuca californica Thomas W. Nelson, Jane P. Nelson 1976-6-16 2740 Humboldt North Coast Range; The Lassics, west of Alder Springs along 2S07 1524 Comment
Read comments
Jul 24 2010
  UC1103703  Festuca elmeri Joseph P. Tracy 1942-5-16 17339 Humboldt Garberville 152 Comment
  BLMAR13  Festuca idahoensis Brad Barr June, 1982 13 Humboldt King range, HJ ridge Comment
  UC188916  Festuca idahoensis Jos. Burtt Davy 1899-6-9 5377 Humboldt near Harris Comment
  HSC31117  Festuca occidentalis J. O. Sawyer 1970-6-14 2264 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  RSA10112  Festuca occidentalis Joseph P. Tracy 1932-7-17 10655 Humboldt Near Corral Prairie, Trinity summit, Klamath mountains. 1524 Comment
  BLMAR30  Festuca perennis Brad Barr June, 1982 30 Humboldt King range, Smith cabin Comment
  RSA126621  Festuca rubra H. S. Yates 1936-6-16 5665 Humboldt 1 mile SW of Samoa. 6 Comment
  RSA256294  Festuca rubra J. R. Reeder, C. G. Reeder 1973-5-26 6185 Humboldt Ca. 2 miles S of Orick in Humboldt State Park. Comment
  UCD66389  Festuca rubra Thomas Nelson; Jane Nelson 1976-7-26 3024 Humboldt Trinity - Humboldt County line: Road 1S07 west of Black Lassic. 1615 Comment
  POM111919  Festuca subuliflora H. P. Chandler 1901-05 1179 Humboldt Humboldt Bay. 30 Comment
  UC1103705  Festuca subuliflora Joseph P. Tracy 1901-6-10 1134 Humboldt Eureka Northern Coast Region 0 Comment
  UCD66488  Festuca subuliflora G. L. Stebbins Jr.; G. L. Church 1941-5-27 3109 Humboldt At Strong's Station, on Van Duzen River. Comment
  RSA183617  Fragaria californica D. E. Anderson 1965-5-1 3558 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  UC1198725  Fragaria chiloensis Joseph P. Tracy 1918-4-21 4875 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  HSC36627  Fragaria vesca A. M. Montalvo, J. D. Ackerman 1973-4-29 78 Humboldt 2 mi. NE of Kneeland on rd. to Maple Creek 457 Comment
  UC1198723  Fragaria vesca Joseph P. Tracy 1935-7-25 14237 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  HSC75559  Fragaria virginiana J. O. Sawyer, J. Cole 1977-7-3 3007 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  SBBG26931  Frangula californica subsp. californica D. K. Kildale 1927-7-3 Humboldt Willow Crk flat on Trinity River 152 Comment
  CAS-BOT-BC53404  Frangula californica subsp. occidentalis Carl B. Wolf 1927-8-28 1172 Humboldt On grade 9 mi. from Willow Creek, Lord Ellis Road to Blue Lake Comment
  CAS-BOT-BC59954  Frangula purshiana Carl B. Wolf 1934-6-30 5818 Humboldt Mendocino. 22 Comment
  CAS-BOT-BC59962  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  CAS-BOT-BC217695  Fraxinus latifolia Doris K. Kildale 1926-4-18 1783 Humboldt Bridgeville 228 Comment
  UC249521  Fraxinus latifolia Joseph P. Tracy 1922-5-29 6060 Humboldt South Yager Creek Valley Northern Coast Ranges 762 Comment
  HSC100890  Fritillaria Carl C. Marshall Apr 1887 396 Humboldt Hoopa. Comment
  HSC34910  Fritillaria affinis Thomas W. Nelson, James Nelson 1975-5-24 1841 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC15544  Fritillaria affinis W. D. Stevens 1964-3-18 12 Humboldt 1.0 mi. S of Trinidad on Old Hwy. 101 Comment
  CAS-BOT-BC130445  Fritillaria purdyi Doris K. Kildale 1926-3-21 1575 Humboldt Kneeland Prairie Comment
  UC667119  Fritillaria purdyi Joseph P. Tracy 1938-6-13 15925 Humboldt Horse Mt. 1432 Comment
  HSC22537  Galium aparine D. E. Anderson, J. P. Smith 1970-5-10 5059 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  HSC57208  Galium aparine Griswold, Butler 1979-7-12 7186 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1196095  Galium aparine Joseph P. Tracy 1935-7-23 14166 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  BLMAR595  Galium aparine Jennifer Wheeler 2010-7-28 595 Humboldt Lacks Creek, along Pine Ridge Road, common understory 975 Comment
  HSC71791  Galium bolanderi Gail Newton 1980-6-16 179 Humboldt Near Monks Camp. 1097 Comment
  JEPS25701  Galium bolanderi P. C. Hutchison 1961-5-22 2031 Humboldt high bluffs along road ca. 5.4 mi n Orleans (on US hwy 299, e side of river); Klamath River Comment
  UC1196093  Galium boreale subsp. septentrionale Joseph P. Tracy 1924-8-31 6839 Humboldt river at mouth of Bluff Creek; Klamath River 91 Comment
  JEPS52837  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-7-8 3845 Humboldt along creek 100 yd s campsite (6.2 mi w of Willow Creek town); east fork Willow Creek 487 Comment
  JEPS6683  Galium muricatum Lincoln Constance 1934-5-23 602 Humboldt se slope of mt. above Look Prairie; South Fork Eek River, Bull Creek Region 365 Comment
  UC169074  Galium muricatum Harley P. Chandler 1901-5-31 1296 Humboldt The Swag Hupa Indian Reservation, Hoopa Mtn. 1097 Comment
  JEPS14011  Galium parisiense Roxana S. Ferris 1955-7-11 12972 Humboldt betw. Willow Creek and Blue Lake (summit of US Hwy 299) Comment
  UC198664  Galium parisiense Joseph P. Tracy 1916-6-19 4710 Humboldt Bosworth's Northern Coast Ranges, Laribee Creek 457 Comment
  UC602546  Galium parisiense Joseph P. Tracy 1937-7-11 15421 Humboldt Garberville 152 Comment
  HSC70963  Galium porrigens Gail Newton 1980-7-15 1585 Humboldt Near Sims Mtn. 1311 Comment
  JEPS52750  Galium porrigens var. porrigens L. T. Dempster and G. L. Stebbins 1963-7-8 3846 Humboldt on road to Eureka 2.1 mi w Bridgeville (along Van Duzen River); along Van Duzen River 160 Comment
  HSC98132  Galium triflorum Cara Witte 2007-6-27 374 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1/2 mile south of intersection with 5N04 and 4N32E. 1425 Comment
  UC1143113  Galium triflorum H. L. Person 1931-7-30 27 Humboldt Fieldbrook Eureka Quadrangle Comment
  UC1196079  Galium triflorum Joseph P. Tracy 1930-7-16 8925 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC169075  Galium triflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5470 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  CAS-BOT-BC303392  Gamochaeta ustulata Joseph P. Tracy 1936-8-23 15163 Humboldt Carlotta 60 Comment
  CAS-BOT-BC303393  Gamochaeta ustulata Joseph P. Tracy 1936-8-23 15163 Humboldt Carlotta 60 Comment
  CAS-BOT-BC303397  Gamochaeta ustulata L. R. Abrams 1916-7-11 6021 Humboldt Mouth of Grizzly Creek on Van Duzon River Comment
  HSC33077  Gamochaeta ustulata Thomas W. Nelson, Jim Ackerman 1974-5-14 1266 Humboldt Beside old Samoa-Crannell railroad bed adjacent to the Mad River Slough N of Emerson Mill Comment
  UC562618  Gamochaeta ustulata Joseph P. Tracy 1936-5-29 14830 Humboldt 2 mi n Orick (on Bald Hills road) 152 Comment
  CHSC77463  Garrya elliptica Vernon H. Oswald 2000-4-3 9908 Humboldt Elk Head northwest of Trinidad. 24 Comment
  HSC8386  Garrya elliptica L. Lankow 1968-11-17 Humboldt Patrick's Point State Park Comment
  JEPS66718  Garrya elliptica Joseph P. Tracy 1925-8-14 7231 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC154051  Garrya elliptica J. P. Tracy 1901-1-27 990 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa Comment
  UCR178955  Garrya elliptica R. G. Swinney 1968-4-13 245 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  CAS-BOT-BC182145  Garrya fremontii L. B. Kildale 1931-10-1 s.n. Humboldt Bug Creek, Caparall Mt. 1097 Comment
  JEPS66731  Garrya fremontii Lincoln Constance 1934-6-19 906 Humboldt near summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 914 Comment
  UC1103735  Gastridium ventricosum Joseph P. Tracy 1934-7-6 13663 Humboldt Iaqua; North Coast Ranges, Iaqua 609 Comment
  CHSC27892  Gaultheria shallon Susan Perkins 1978-4-25 41 Humboldt Redwood Park, e end of 13th St., Arcata, .8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  CHSC57372  Gaultheria shallon Eric G. Hartwell 1983-3-30 7 Humboldt Ca. 0.25 miles east of jct. of Jacoby Creek Rd. and Sonnenfelt Rd. T05N R01? S11 NW1/4 of SE1/4. 97 Comment
  HSC1802  Gaultheria shallon William J. Ferlatte, B. D. Rogers 1966-8-15 3127 Humboldt 5 mi. E of Arcata Comment
  RSA257013  Gaultheria shallon Gary D. Wallace 1971-7-29 949 Humboldt Prairie Creek Redwood St. Pk. along Zig Zag Trail #3 W of Hwy. 101. Comment
  RSA467226  Gaultheria shallon B. C. Templeton 1964-6-13 10086 Humboldt Lighhouse Point, Trinidad Head. Comment
  JEPS27605  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  JEPS27598  Gayophytum heterozygum Joseph P. Tracy 1936-8-8 15137 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  JEPS27603  Gayophytum heterozygum Joseph P. Tracy 1932-7-12 10456 Humboldt Brett Hole Klamath Mountains, Trinity Summit (head) 1828 Comment
  UC202459  Gayophytum heterozygum Joseph P. Tracy 1919-9-18 5248 Humboldt Trinity Summit Northern Coast Ranges 1524 Comment
  UC144066  Gayophytum humile Joseph P. Tracy 1908-6 2845 Humboldt Buck Mountain Northern Coast Ranges (nw slope) 1219 Comment
  HSC58834  Gayophytum racemosum Overton, Butler 1979-7-31 11406 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC57988  Gentiana plurisetosa G. L. Clifton, Griswold 1979-7-31 11730 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC75286  Gentiana plurisetosa J. O. Sawyer, D. A. Thornburgh 1980-9-9 4082 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC8453  Gentiana sceptrum D. E. Anderson 1961-9-9 1797 Humboldt Big Lagoon County Park Comment
  UC1586897  Geranium dissectum Juha Pykala and D. H. Norris 1987-5-20 751 Humboldt about 7.5 rd mi s Ferndale (along Wildcat Road, near Green Pond Ranch) 450 Comment
  HSC79375  Geranium dissectum Kenneth Clark 1980-5-10 647 Humboldt Access trail to West beach, coastal bluffs of Point Delgada 9 Comment
  RSA600894  Geranium molle Louis C. Wheeler 1959-8-2 7622 Humboldt Shelter Cove. Comment
  CAS-BOT-BC457030  Geum macrophyllum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  POM188372  Gilia capitata Marcus E. Jones 1931-6-16 s.n. Humboldt Junction East of Arcata Comment
  JEPS69518  Gilia capitata subsp. capitata Joseph P. Tracy 1935-6-23 13995 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC226145  Gilia capitata subsp. pacifica Doris K. Kildale 1925-6-28 794 Humboldt Kneeland Prairie - bald hills 762 Comment
  CAS-BOT-BC225475  Gilia millefoliata Lewis S. Rose 1972-6-5 72004 Humboldt Samoa 3 Comment
  HSC95545  Gilia millefoliata Andrea Pickart 2002-5-13 101 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC1051593  Gilia millefoliata Joseph P. Tracy 1948-6-12 18067 Humboldt sand dunes near Samoa (on Humboldt Bay); , near Samoa 6 Comment
  JEPS86009  Gilia tricolor subsp. tricolor Joseph P. Tracy 1938-5-1 15733 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS11824  Githopsis diffusa subsp. robusta Lincoln Constance 1934-6-4 819 Humboldt Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  SEINET10464622  Githopsis specularioides Tracy 1913-6-19 TRACY 4207 Humboldt Dinsmore's Ranch; in valley of Van Duzen River opposite Buck Mountain 762 Comment
  SEINET10873073  Githopsis specularioides Tracy 1908-6-9 TRACY 2655 Humboldt Kneeland Prairie 762 Comment
  HSC17914  Glaux maritima D. E. Anderson 1962-5-10 2207 Humboldt Lanphere's Comment
  HSC17915  Glaux maritima Norman H. Moe 1962-5-17 Humboldt Lanphere's Place 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
  JEPS37562  Glebionis segetum Lincoln Constance 1934-6-25 927 Humboldt e side of road at Englewood (across the road from Collins' Englewood Campground); Bull Creek Region, South Fork Eel River Comment
  HSC21497  Glehnia littoralis subsp. leiocarpa S. J. Hawks 1965-5-14 62 Humboldt Clam Beach Comment
  RSA246749  Glehnia littoralis subsp. leiocarpa R. F. Thorne, P. Everett 1965-8-9 35304 Humboldt Big Lagoon 3 Comment
  UC642312  Glehnia littoralis subsp. leiocarpa Joseph P. Tracy 1933-8-25 12994 Humboldt s. of mouth of Eel R. (Centerville Beach); Centerville Beach 6 Comment
  HSC10057  Glyceria declinata W. F. Cartwright 1965-5-20 80 Humboldt 5 mi. S of Arcata on Old Arcata Road Comment
  HSC90679  Glyceria declinata Gail Newton 1982-6-10 3591 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC34278  Glyceria elata Ken Irwin 1975-8-13 Humboldt Grogans Hole Area Comment
  HSC76548  Glyceria elata Denis Kearns 1981-7-23 433 Humboldt Near Whiteys Peak. 1524 Comment
  HSC96582  Glyceria elata Gordon Leppig, Tony LaBanca 2005-6-6 2247 Humboldt Pacific Lumber Co. land, Redwood House Rd., Hely Creek headwaters pond. 630 Comment
  UC1108977  Glyceria elata Francia Chisaki and Helen K. Sharsmith 1959-8-22 4756 Humboldt Happy Camp Inner North Coast Ranges (just over Trinity County line) 914 Comment
  UC187286  Glyceria elata Joseph P. Tracy 1911-7-7 3372 Humboldt 3 mi nw Willow Creek junction with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  RSA91960  Glyceria fluitans Joseph P. Tracy 1933-7-20 12801 Humboldt Arcata bottom 15 Comment
  CAS-BOT-BC282852  Glyceria striata Joseph P. Tracy 1925-6-13 7086 Humboldt Eureka 60 Comment
  HSC29719  Goodyera oblongifolia J. D. Ackerman 1973-8-18 120 Humboldt 2 mi. N of Manila Comment
  HSC54861  Goodyera oblongifolia G. L. Clifton, Griswold 1979-7-25 10762 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC304729  Grindelia hirsutula Joseph P. Tracy 1918-7-7 5038 Humboldt Northern Coast Ranges. Near Garberville 121 Comment
  CAS-BOT-BC304734  Grindelia hirsutula H. E. Parks; S. T. Parks 1930-9-14 0773 Humboldt North shore of Big Lagoon Comment
  CAS-BOT-BC304741  Grindelia hirsutula Edward Lee 1934-8-17 1148 Humboldt East shore of Big Lagoon, 35 miles north of Eureka 3 Comment
  CAS-BOT-BC304750  Grindelia hirsutula A. A. Heller 1924-7-21 13870 Humboldt At Eureka Comment
  HSC35626  Grindelia hirsutula Thomas W. Nelson, James Nelson 1975-8-5 2139 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  JEPS41894  Grindelia hirsutula W. L. Jepson 1936-8-17 17924 Humboldt 2.5 mi s of Fields Landing (flats) Comment
  UC1199435  Grindelia hirsutula Joseph P. Tracy 1938-6-17 15955 Humboldt s point of Cape Mendocino Cape Mendocino (in exposed situations near ocean shore) 3 Comment
  HSC97938  Hackelia californica Cara Witte 2007-5-31 143 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
  HSC101976  Hackelia micrantha M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 873 Humboldt Patterson Meadows 1566 Comment
  HSC74193  Hackelia micrantha M. A. Baker 1980-7-22 3127 Humboldt Near Grogan Hole. 1676 Comment
  UC525578  Hackelia micrantha Joseph P. Tracy 1932-7-17 10691 Humboldt head of Devil's Hole; Klamath Mountains, Trinity Summit 1828 Comment
  UC525574  Hackelia micrantha Joseph P. Tracy 1932-7-11 10421 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC5765  Helenium bigelovii D. E. Anderson 1961-9-9 1796 Humboldt Big Lagoon County Park Comment
  OBI16347  Helenium bigelovii Joseph P. Tracy 1950-7-16 11686 Humboldt Parks Place, 2 mi N of Trinidad Comment
  SEINET5711017  Helenium bigelovii Lowell E. Urbatsch 1990-1 6798 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the rd. to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this road (FS 7 NO4) travel 1.5 miles to another fork; continue on 7NO4N (the left fork) for 7.4 miles. At this point, take 7N04N, the road to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  POM87954  Helenium bolanderi L. R. Abrams, R. C. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  UC34533  Helianthus bolanderi Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
Read comments
Apr 6 2008
  CAS-BOT-BC310076  Hemizonella minima Carl B. Wolf 1934-7-2 5861 Humboldt Snow Camp (mts. E. of Korbel). Near Small Lake 1371 Comment
  UC249845  Hemizonella minima Joseph P. Tracy 1923-6-24 6349 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC309985  Hemizonia congesta subsp. tracyi H. E. Parks; J. P. Tracy 1930-5-25 0880 Humboldt Near Bridgeville Comment
  POM360349  Hemizonia congesta subsp. tracyi S. K. Harris 1936-6-20 699 Humboldt Above Van Duzen River about 1 mile west of Bridgeville Comment
  UC205206  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1919-7-20 5183 Humboldt w side near top Mount Pierce; Northern Coast Ranges, Mount Pierce 914 Comment
  RSA126141  Hemizonia tracyi Joseph P. Tracy 1923-7-4 6529 Humboldt Valley of South Yager Creek Comment
  RSA168837  Hemizonia tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt At Domingo Hill Comment
  CDA40919  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 2 of 3 0 Comment
  HSC21505  Heracleum maximum Francis Winter 1960-5-6 Humboldt N bank of Mad River between Hwys. 299 and 101 Comment
  HSC56147  Heracleum maximum G. L. Clifton, Terry Griswold 1979-8-1 11981 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC61047  Heracleum maximum T. Jimerson, J. Pageau 1979-8-10 746 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC21508  Heracleum maximum B. R. Templeton 1962-5-15 Humboldt Hwy 101 N of Arcata Comment
  UC1199420  Hesperevax acaulis var. robustior Joseph P. Tracy 1937-5-31 15322 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley 152 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
  JEPS44663  Heteromeles arbutifolia Lincoln Constance 1934-6-2 778 Humboldt Bull Creek road to mouth of Bull Creek (and up Bull Creek); South Fork Eel River, Bull Creek Region Comment
  UC154509  Heteromeles arbutifolia P. E. Goddard 1901-7-9 48 Humboldt Hupa Comment
  CAS-BOT-BC311076  Heterotheca oregona var. rudis Alice Eastwood 1921-7-21 10667 a Humboldt Van Duzen River Comment
  HSC56071  Heuchera micrantha G. L. Clifton, Griswold 1979-7-31 11740 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC64875  Heuchera micrantha J. P. Smith 1973-5-26 6825 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC73174  Heuchera micrantha M. A. Baker 1980-5-17 1247 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC312394  Hieracium albiflorum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC58215  Hieracium albiflorum Walter Overton 1979-8-1 12352 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC67473  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3834 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC67475  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3819 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  JEPS36565  Hieracium bolanderi Joseph P. Tracy 1926-6-20 7638 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC1199466  Hieracium nudicaule Joseph P. Tracy 1929-7-4 8633 Humboldt French Camp Ridge 1066 Comment
  UC34531  Hieracium nudicaule Chesnut and Drew 1888-7-21 Humboldt South Fork <???> Comment
  SDSU1121  Hierochloe occidentalis D. F. Howe 1962-5-22 3304 Humboldt 3 miles east of Orick on Bald Mt. road 396 Comment
  UC573684  Hierochloe occidentalis H. S. Yates 1936-6-22 5850 Humboldt 4 mi ne Bald Mt.; China Flat Quadrangle Comment
  UC1191968  Hippuris vulgaris Malcolm A. Nobs and S. Galen Smith 1949-8-3 1191 Humboldt marsh & bog land at southern outskirts Eureka Comment
  UC1103733  Holcus lanatus Joseph P. Tracy 1948-7-31 18080 Humboldt Eureka 30 Comment
  UCD84982  Holcus lanatus Collector Unknown 1923-7-12 s.n. Humboldt Briceland. Comment
  SEINET8718745 Image available Holcus lanatus H. E. Parks, S. T. Parks 1943-1 24260 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC72986  Holodiscus discolor M. A. Baker 1980-7-15 2947 Humboldt Near Whiting Ridge 301 Comment
  HSC98885  Holodiscus discolor Cara Witte 2007-7-9 459 Humboldt Forest Service Road 4N32. 1.4 mile north of intersection with 4N32B. 1413 Comment
  RSA698661  Holodiscus discolor J. R. Bruff 1937-8-17 933 Humboldt Richardson Grove. Comment
  UC666848  Holodiscus discolor Joseph P. Tracy 1937-6-20 15347 Humboldt Bear River 10 miles upstream from the mouth Bear River 152 Comment
  UCSB24337  Holodiscus discolor var. discolor Tracy, Joseph 1936-8-7 Humboldt Trinity summit, 2 miles southeast of Devil's Hole Comment
  HSC75482  Hordeum brachyantherum J. O. Sawyer 1980-7-18 3629 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC102144  Hordeum brachyantherum subsp. brachyantherum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1051 Humboldt Patterson Meadows 1566 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
  CAS-BOT-BC536628  Horkelia californica Joseph P. Tracy 1937-8-22 15672 Humboldt Foot of low hills south of Fields Landing 6 Comment
  JEPS102925  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1987-6-11 8553 Humboldt Along FS Rd 13N01 .25 mi S of turnoff to Onion Lake Comment
  HSC76236  Horkelia tridentata var. flavescens Denis Kearns 1981-7-6 83 Humboldt Near Mosquito Lake 1256 Comment
  HSC96952  Horkelia tridentata var. flavescens Whitney Meier, Elizabeth Kimbrough 2007-6-11 3 Humboldt Cold Springs Camp 11.9 mi. S of Hwy. 299 on USFS Rd. NF 1 Comment
  HSC36320  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1913 Humboldt USFS Rd. 2S08 to Pine Mtn. Comment
  HSC100884  Hosackia parviflora Carl C. Marshall May 1887 421 Humboldt Blocksburg. Comment
  UC1586870  Hydrophyllum fendleri var. albifrons Juha Pykala and D. H. Norris 1987-6-11 1587 Humboldt w of Crogan Hole (n of Trinity Mountain Wilderness, s of North Trinity Mountain) 1554 Comment
  HSC13539  Hydrophyllum tenuipes R. D. Zortman 1963-5-12 40 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  JEPS1636  Hydrophyllum tenuipes Joseph P. Tracy 1925-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of the Kneeland Road) 457 Comment
  HSC101988  Hypericum anagalloides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 887 Humboldt Patterson Meadows 1555 Comment
  CHSC32701  Hypericum perforatum J. P. Smith; Steve Selva 1970-6-14 3831 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  CAS-BOT-BC401227  Hypericum perforatum Doris K. Kildale 1927-7-3 3655 a Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC312888  Hypochaeris glabra Barry Silver 1986-5-18 602 Humboldt Bull Creek Flats Road, 100 yds. w. of junction with Highway 101 Comment
  HSC78973  Hypochaeris glabra L. P. Janeway, Paul Wilson 1984-5-7 760 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  HSC40966  Ilex aquifolium Linda M. Barker 1976-6-14 1594 Humboldt 3 mi. W of Arcata Comment
  CAS-BOT-BC123494  Iliamna latibracteata Doris K. Kildale 1926-7-5 2312 Humboldt Prairie Creek, near Davidson's. Comment
  UC668129 Image available Iliamna latibracteata Joseph P. Tracy 1938-8-14 10104 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
Read comments
Feb 27 2012
  UC902182 Image available Iliamna latibracteata Joseph P. Tracy 1949-9-1 18535 Humboldt Along Trinity Highway Willow Creek Canyon. 762 Comment
Read comments
Feb 27 2012
  HSC48816  Ipomopsis aggregata Brad Klipfel 1973-7-31 230 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS804  Ipomopsis aggregata Joseph P. Tracy 1932-7-12 10440 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC13857  Iris douglasiana Elrid H. Spinas 1948-6-16 59 Humboldt Horse Mtn. Comment
  JEPS539  Iris douglasiana W. L. Jepson 1932-8-9 16543 Humboldt Bull Creek Comment
  UC52242  Iris douglasiana J. P. Tracy 1903-8-9 1939 Humboldt immediate vicinity Eureka 0 Comment
  RSA135932  Iris douglasiana Lee W. Lenz, E. K. Balls 1951-5-9 16522 Humboldt 9.5 miles to 11.3 miles west of junction with Highway 101, road between Rockport and Fort Bragg Comment
  UC175825  Iris douglasiana Joseph P. Tracy 1912-4-21 3571 A Humboldt Humboldt Hill; Northern Coast Region, Humboldt Bay Region 0 Comment
  UCSB879  Iris douglasiana Phillips, Priscilla 1958-6-7 Humboldt At entrance to Big Lagoon Park; North of Trinidad Comment
  HSC66486  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-4-27 438 Humboldt Ishi Pishi Rd., 1.7 mi. S of intersection with FS Rd. 11N11, Orleans 213 Comment
  RSA136372  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-17 18317 Humboldt 1 mile below Somes Bar on Klamath River 180 Comment
  HSC70960  Iris tenuissima Thomas W. Nelson 1977-6-15 3435 Humboldt Along FS Rd. 5N10 just N of junction with FS Rd. 6N01 1463 Comment
  HSC79260  Iris tenuissima T. Jimerson, J. Pageau 1979-5-1 439 Humboldt 0.2 mi. S of Hwy. 96 on Ishi Pishi Rd., Orleans Comment
  CAS-BOT-BC88653  Isatis tinctoria J. H. Thomas 1949-6-12 900 Humboldt Near Klamath River, about 0.5 mile north of town of Orleans. Comment
  CAS-BOT-BC340156  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River 3 Comment
  RSA181881  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River. 3 Comment
  SEINET10474757  Jaumea carnosa Mary Susan Taylor 1990-8-22 Taylor 6088 Humboldt Cypress Grove Area, Samoa Peninsula, along strand, Eureka. Comment
  CAS-BOT-BC109922  Juncus Doris Kildale Gillespie 1931-6-7 10654 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  CAS-BOT-BC109923  Juncus L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road. Comment
  UC1152113  Juncus capitatus Joseph P. Tracy 1948-6-13 18045 Humboldt at the former Will Perry Place Dobbyn Creek 152 Comment
  UC14890  Juncus covillei var. obtusatus Chesnut and Drew 1888-7-29 Humboldt Grouse Creek Comment
  JEPS79912  Juncus covillei var. obtusatus Joseph P. Tracy 1926-7-5 7725 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  JEPS66996  Juncus effusus subsp. pacificus W. L. Jepson 1936-8-17 17908 Humboldt 2 mi s Fields's Landing (near Still's Ranch) Comment
  HSC98649  Juncus ensifolius Cara Witte 2007-7-3 419 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1/2 mile east from intersection with National Forest 1. 1397 Comment
  UC249745  Juncus ensifolius Joseph P. Tracy 1924-8-31 6849 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  RSA246805  Juncus ensifolius Robert F. Thorne, Percy C. Everett 1965-8-9 35335 Humboldt Clam Beach County Park. 3 Comment
  HSC14053  Juncus falcatus D. E. Anderson 1961-9-9 1802 Humboldt Big Lagoon County Park Comment
  UC249812  Juncus falcatus var. falcatus Joseph P. Tracy 1924-7-13 6723 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA246771  Juncus hesperius Robert F. Thorne, Percy C. Everett 1965-8-7 35187 Humboldt Big Lagoon. 2 Comment
  CHSC105160  Juncus lescurii Peter F. Zika 2008-11-3 24275 Humboldt Sunny meadow just above salt marsh, with Juncus breweri, Festuca arundinacea, Baccharis, Ammophila, mouth of Elk River NW of Route 101 bridge, 2 air km S of Eureka; North Coast (NCo) 2 Comment
  HSC57985  Juncus occidentalis G. L. Clifton, Terry Griswold 1979-7-31 11720 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC183961  Juncus patens Joseph P. Tracy 1912-7-26 3848 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC99032  Juncus patens Cara Witte 2008-7-14 896 Humboldt Cold Spring. 0.5 mi. S of Titlow Hill. 1440 Comment
  RSA79773  Keckiella corymbosa F. W. Peirson 1926-7-13 7060 Humboldt Mad River, near Blue Lake. Comment
  CAS-BOT-BC237831  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata Comment
  RSA121249  Koeleria macrantha H. S. Yates 1936-6-17 5699 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  UC50452  Koeleria macrantha Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6189 Humboldt Bear River Ridge Comment
  UC526699  Koeleria macrantha Joseph P. Tracy 1925-7-5 7163 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1223227  Lactuca ludoviciana Joseph P. Tracy 1950-9-22 19368 Humboldt 8 mi below Orleans; Klamath River, Slate Creek 121 Comment
  UCD133521  Lactuca saligna Joseph P. Tracy 1947-9-14 17932 Humboldt Kneeland Prairie. 762 Comment
  CDA5667  Lamiastrum galeobdolon Gordon Leppig, K. Neander 2000-4-13 1292 Humboldt Arcata Community Forest, 100 meters south of trail 5 & 10 intersection, Arcata. Comment
  CDA5658  Lamium purpureum B. F. Kemp 1958-4-11 344 -58 Humboldt County Road 512, near sawmill. 0 Comment
  UC1199125  Lasthenia californica subsp. californica J. P. Tracy 1901-4-14 1026 Humboldt Ocean Beach at Samoa; Opp. Eureka Comment
  HSC26362  Lasthenia maritima T. O. Osborne 1970-4-5 88 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC49393  Lathyrus littoralis R. York 1979-5-15 291 Humboldt Coastal strand opposite the Louisiana Pacific Mill in Samoa. 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
  HSC79370  Lathyrus palustris Kenneth Clark 1980-3-27 560 Humboldt S of Dead man's Gulch 0 Comment
  HSC95147  Lathyrus palustris Gordon Leppig 2003-7-18 2008 Humboldt Eureka, Marsh N of Elk River Slough 2 Comment
  HSC97914  Lathyrus polyphyllus Cara Witte 2007-6-14 279 Humboldt Along National Forest 1. Near Kinsey Ridge. 3/4 mile south of intersection with 4N06. 1256 Comment
  UC15357  Lathyrus torreyi H. N. Bolander 1867-1 6506 Humboldt Shelter Cove Comment
  HSC81920  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4967 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC59240  Lathyrus vestitus subsp. bolanderi Clark L. Miller 1978-5-13 5125 Humboldt 2 mi. N of Trinidad State Park. Comment
  CAS-BOT-BC325927  Layia carnosa W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  JEPS13617  Layia carnosa Joseph P. Tracy 1932-5-16 10106 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UCSC000838  Leontodon nudicaulis subsp. taraxacoides H. S. Reed 1941-7-26 s.n. Humboldt Common weed near Trinidad Trinidad Comment
  UC1223216  Leontodon saxatilis Joseph P. Tracy 1948-7-11 18072 Humboldt at Lack Pond Comment
  HSC89416  Leontodon saxatilis subsp. saxatilis P. A. Daly 1986-1-20 45 Humboldt Trinidad Head, along trail 61 Comment
  HSC17097  Leptosiphon androsaceus William J. Ferlatte, B. D. Rogers 1966-6-15 2104 Humboldt Larabee Valley 762 Comment
  HSC71033  Leptosiphon bicolor Thomas W. Nelson 1977-4-20 3325 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UCD118969  Leptosiphon nuttallii P. B. Kennedy 1923-8-3 s.n. Humboldt 7 miles from Bluff Creek. Klamath River to Eureka. Comment
  UC581779  Lessingia nemaclada Joseph P. Tracy 1937-9-5 15681 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  RSA54146  Lessingia nemaclada H. M. Pollard 1945-8-25 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon. Comment
  CAS-BOT-BC94818  Leucanthemum vulgare R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-6 837 Humboldt Humboldt Redwoods S.P., Pole Line Prairie along Pole Line Road, 1 air mi. N of Mattole Rd., 6 mi. E of Hwy. 101 274 Comment
  SEINET4691296 Image available Leucanthemum vulgare Joseph P. Tracy 1918-1 5080 Humboldt Northern Coast Range; Around Humboldt Bay; Humboldt Hill 152 Comment
  HSC48392  Lewisia leeana Brad Klipfel 1973-6-10 152 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC673022  Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  HSC102511  Lewisia nevadensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1496 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
  UC1103208  Leymus triticoides Joseph P. Tracy 1929-7-21 8645 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC154113  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt near top Humboldt Hill; Northern Coast Region, Humboldt Bay 0 Comment
  UCD127580  Lilaeopsis occidentalis Malcolm A. Nobs; S. Galen Smith 1949-8-3 1166 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  HSC21523  Lilaeopsis occidentalis E. Hunt 1949-5-18 21 Humboldt Humboldt Bay Comment
  HSC65840  Lilium bolanderi Gail Newton 1980-6-16 161 Humboldt Near Monks Camp. 1097 Comment
  UC55889  Lilium columbianum J. P. Tracy 1902-7-4 1755 Humboldt immediate vicinity Eureka (near Ryan's Slough Hill) 0 Comment
  HSC45280  Lilium columbianum Clifton Raymond Chesbrough 1971-7-5 40 Humboldt Along Fickle Hill Rd. Comment
  POM87955  Lilium columbianum Le Roy Abrams, Rimo C. Bacigalupi 8260 Humboldt Between Trinidad and Big Lagoon Comment
  UCD139729  Lilium columbianum H. P. Olmo 1931-6-8 s.n. Humboldt 5 miles north of Trinidad on Redwood Highway. Comment
  UC666957  Lilium pardalinum Joseph P. Tracy 1937-7-24 15533 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  HSC57704  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-7-25 10947 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC132966  Lilium rubescens V. Rattan 1882-6-1 s.n. Humboldt unspecified Comment
  RSA12530  Lilium washingtonianum subsp. purpurascens Carl B. Wolf 1934-7-2 5908 Humboldt 7 miles from Bald Mountain on road to Snow Camp (mountains east of Korbel) 1067 Comment
  UC1198228  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1947-7-9 17863 Humboldt Horse Mountain 1432 Comment
  SD42236  Limnanthes douglasii Carl B. Wolf 1937-6-14 8818 Humboldt Kneeland Prairie 822 Comment
  UC1184177  Limnanthes douglasii subsp. nivea Robert Ornduff 1960-6-1 6178 Humboldt about 3 mi e Garberville (on road to Alder Point) Comment
  UC971842  Limnanthes douglasii subsp. nivea Charles T. Mason Jr. 1949-4-30 1282 Humboldt e side of road to Fortuna 4.9 mi from Bridgeville Comment
  BLMAR427  Limonium californicum Clara Sander 2004-9-27 427 Humboldt South Spit, east side of road 4 Comment
  HSC16906  Limonium californicum C. B. Wolf 1927-8-28 1187 Humboldt Eureka Bay, on the road to Arcata Comment
  RSA15573  Limonium californicum Carl B. Wolf 1927-8-28 1187 Humboldt Eureka Bay on road to Arcata Comment
  UC1198575  Linanthus bicolor Joseph P. Tracy 1933-7-3 12636 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1198568  Linanthus bicolor Joseph P. Tracy 1911-7-10 3487 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  JEPS79923  Linanthus ciliatus Joseph P. Tracy 12923 Humboldt s slope Grouse Mountain (towards Grouse Creek Basin); North Coast Ranges 1219 Comment
  UC52409  Linanthus filipes Mrs. M. H. Manning Humboldt Hoopa Comment
  HSC12026  Linaria vulgaris D. Santana 1970-11-2 100 Humboldt E side of old Hwy. 1 in ditch Comment
  HSC58218  Linnaea borealis subsp. longiflora Walter Overton 1979-8-1 12356 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC15801  Linum bienne Francis Winter 1960-4-24 Humboldt 1 mi. N of Redwood Creek Ranch 396 Comment
  UC1130237  Linum usitatissimum H. L. Person 1932-7-16 Humboldt Highway n of Trinidad Comment
Read comments
Aug 3 2007
  HSC7384  Lipocarpha occidentalis J. P. Tracy 1931-9-7 9650 Humboldt Trinity River Valley, Willow Creek 152 Comment
  HSC49390  Listera cordata var. nephrophylla R. York 1979-4-21 245 Humboldt Behind the town of Korbel, Camp Bauer Comment
  HSC89536  Listera cordata var. nephrophylla Brad W. Klipfel 1977-5-16 Humboldt Above Van Duzen River Comment
  JEPS37741  Lithocarpus densiflorus W. L. Jepson 1902-6 2138 Humboldt Bear River Range 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
  RSA273403  Lithocarpus densiflorus var. densiflorus Thomas W. Nelson, Jane Nelson 1976-2-21 2247 Humboldt Beside the Hoopa-Redwood Valley Rd. ca. 5 mi. west of Hoopa. Comment
  UC1225786  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-8-15 18135 Humboldt 2 mi e Grove's Summit; Trinity Summit 1524 Comment
  UC667092  Lithophragma campanulatum Joseph P. Tracy 1934-4-15 13179 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC432296  Lithophragma campanulatum Alice Eastwood; John Thomas Howell 1937-6-24 4861 Humboldt Road ro Horse Mt. Comment
  UC906704  Lithophragma heterophyllum Harold E. Parks and Joseph P. Tracy 1942-5-16 11558 Humboldt vicinity Garberville 152 Comment
  UC1223120  Logfia filaginoides Joseph P. Tracy 1947-5-24 17695 Humboldt on rocky cliff known as Devil's Canyon Comment
  UC50707  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5606 B Humboldt Arcata Comment
  SEINET10657158  Lolium perenne A. Arthur Heller 1923-7-9 Heller 13779 Humboldt Plentiful in a salt marsh between Arcata and Eureka in alkaline soil Comment
  UC50699  Lolium temulentum Joseph Burtt Davy 1899-7-30 6205 Humboldt Arcata Comment
  UCD66673  Lolium temulentum M. A. Jargas 1926-6-8 Humboldt Happy Valley. Comment
  UC1197164  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1942-6-23 17229 Humboldt 1 mi. w. Box Camp (on summit of ridge on Hoopa trail, Trinity Summit); Trinity Summit 1219 Comment
  HSC74190  Lomatium dissectum var. dissectum M. A. Baker 1980-7-23 3151 Humboldt Near Orleans Mtn. 1859 Comment
  POM32369  Lomatium dissectum var. dissectum Lincoln Constance, Alan Beetle, Joseph Tracy 1940-5-17 2617 Humboldt NW slope, Lower slopes of Buck Mtn, near Eureka. 793 Comment
  UC659308  Lomatium dissectum var. dissectum Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2617 Humboldt lower slopes of Buck Mt. near Eureka; Buck Mt. 792 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
  HSC74497  Lomatium macrocarpum M. A. Baker 1980-7-24 3207 Humboldt Near Orleans Mtn. 1625 Comment
  HSC63089  Lomatium martindalei M. A. Baker 1979-7-6 1013 Humboldt 0.6 k. W of FS 15N01 on FS 12N16 toward Bald Mtn. Comment
  UC249606  Lomatium nudicaule Joseph P. Tracy 1922-4-30 6023 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  JEPS14248  Lomatium tracyi Joseph P. Tracy 1933-7-25 12895 Humboldt Grouse Mountain; ; Grouse Mt. 1524 Comment
  UC647472  Lomatium tracyi Joseph P. Tracy 1935-6-23 13971 Humboldt French Camp Ridge 1066 Comment
  HSC97097  Lomatium utriculatum Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 2 Humboldt 7.4 mi. S of Hwy. 299 on NF1, Coldspring Camp 1372 Comment
  OBI77140  Lomatium utriculatum Tracey Call, Viola Call 1964-6-20 2272 Humboldt Above Van Duzen river 7 mi east of Bridgeville Comment
  HSC41001  Lonicera conjugialis J. O. Sawyer 1975-10-17 2711 Humboldt S slopes of N Trinity Mtn. Comment
  UC1239547  Lonicera conjugialis Joseph P. Tracy 1932-7-12 10481 Humboldt head Brett Hole; Trinity Summit 1828 Comment
  UC441279  Lonicera conjugialis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5861 Humboldt Trinity Summit Comment
  CAS-BOT-BC240471  Lonicera hispidula Alice Eastwood; John Thomas Howell 1937-6-22 4733 Humboldt Near Alder Point Comment
  RSA65775  Lonicera hispidula var. vacillans E. K. Balls, P. C. Everett 1953-10-11 18625 Humboldt 0.1 mi. N of Humbolt-Mendecino Co. line, Hwy 101. 168 Comment
  OBI6309  Lonicera involucrata var. ledebourii Joseph P. Tracy 1943-3-21 17413 Humboldt North Coast ranges Comment
  RSA47121  Lonicera involucrata var. ledebourii Doris K. Kildale 1926-4-9 1740 Humboldt Samoa road, sandy peninsula. Comment
  UC1239557  Lonicera involucrata var. ledebourii Joseph P. Tracy 1901-4-21 1033 Humboldt Eureka Northern Coast Region 0 Comment
  UCD137387  Lonicera involucrata var. ledebourii Joseph P. Tracy 1943-3-21 17413 Humboldt Alton, along Van Duzan River. 30 Comment
  UC1128989  Lotus aboriginus A. E. Wieslander 1931-5-21 212 Humboldt Kneeland China Flat Quad. Comment
  UC162608  Lotus aboriginus W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  UCD106722  Lotus corniculatus S. P. Lynch 1975-6-19 1368 Humboldt Along U.S. Hwy 101 at Loleta. Comment
  UC1223400  Lotus formosissimus Joseph P. Tracy 1938-6-17 15949 Humboldt s of Cape Mendocino point; Cape Mendocino 3 Comment
  UC15583  Lotus formosissimus Harley P. Chandler May 1901 1200 Humboldt Humboldt Bay Northern Coast Ranges 30 Comment
  UC1197292  Lotus humistratus Joseph P. Tracy 1931-6-14 9575 Humboldt Alton, along Van Duzen River Northern Coast Ranges, Van Duzen River 30 Comment
  UC1223430  Lotus micranthus Joseph P. Tracy 1936-5-30 14839 Humboldt Samoa Sand Dunes Comment
  CDA27277  Lotus micranthus E. C. Whitney 1959-5-6 Humboldt Highway 101, south of Eureka. (Brown property) 0 Comment
  JEPS19446  Lotus micranthus W. L. Jepson 1902-6 1900 Humboldt Ft. Seward Ranch Ridge (= Mail Ridge) Ft. Seward Ranch Ridge 1219 Comment
  UC33555  Lotus nevadensis var. nevadensis Chestnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  UC302114  Lotus oblongifolius Joseph P. Tracy 1926-6-20 7629 Humboldt Horse Mountain Northern Coast Ranges 1463 Comment
  UC495717  Lotus oblongifolius var. oblongifolius Joseph P. Tracy Jul 16 1930-Jul 19 1930 8997 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  SEINET3694458 Image available Lotus pinnatus Joseph P. Tracy 1937-7-19 15461 Humboldt Larrabee Valley 732 Comment
  RSA406270  Lotus unifoliolatus Bonnie C. Templeton 1931-10-15 s.n. Humboldt Eureka Comment
  HSC35860  Lotus unifoliolatus var. unifoliolatus Thomas W. Nelson, James Nelson 1975-8-5 2134 Humboldt Along S spit to Humboldt Bay Comment
  UC659305  Lupinus adsurgens Charles Piper Smith 1929-7-13 4407 Humboldt top of w slope Blake Lookout, South Fork Mountain (So. Fork Mtn.); Trinity Forest, South Fork Mountain Comment
  JEPS85687  Lupinus albicaulis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8954 Humboldt near Blake lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC1223271  Lupinus albifrons Joseph P. Tracy 1939-5-14 16289 Humboldt opposite Buck Mountain (near Dinsmore's); Van Duzen River, near Dinsmore's 762 Comment
  UC176296  Lupinus albifrons Joseph P. Tracy 1913-6-14 4133 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC146921  Lupinus albifrons var. albifrons Harley P. Chandler June, 1901 1424 Humboldt Weitchpek North Coast Ranges, Klamath River (Klamath River) 304 Comment
  CAS-BOT-BC196399  Lupinus arboreus R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-3 178 Humboldt On sand dunes of Clam Beach Comment
  CHSC55898  Lupinus arboreus L. P. Janeway 1987-7-31 2547 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC14769  Lupinus arboreus R. Spellenberg 1964-6-15 410 Humboldt Near Humboldt Bay on the S side of Arcata. Comment
  SEINET10452623  Lupinus arboreus Mary Susan Taylor 1982-10-24 Taylor 5183 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  HSC71165  Lupinus bicolor Thomas W. Nelson 1977-5-30 3411 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  HSC73959  Lupinus bicolor Gail Newton 1980-6-7 131 Humboldt Near Brush Mtn. 1128 Comment
  RSA256586  Lupinus bicolor Lon Hall 1975-5-24 382 Humboldt Samoa Dunes; Dunes from off Samoa Blvd. across from the boat landing; coastal strand. Comment
  RSA276277  Lupinus bicolor subsp. umbellatus Lyman D. Benson 1929-7-19 1860 Humboldt Dyerville to Mat[t]ole River. Comment
  JEPS82142  Lupinus constancei Thomas W. Nelson and Jane P. Nelson 1982-7-9 7079 Humboldt Mt. Lassic (Signal Peak) and saddle to e North Coast Ranges, Blockburg Quad., Mt. Lassic (Signal Peak; Blocksburg Quadrangle on Mt. Lassic (Signal Peak), Humboldt Co. 1767 Comment
  RSA104683  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1911-7-4 3280 Humboldt Valley of Trinity River near mouth of Willow Creek. 152 Comment
  HSC101036  Lupinus elmeri A. Thoele, Sydney Carothers 1995-7-14 58 Humboldt Six Rivers National Forest; .6 mi. south of intersection of Forest Route 1 & Rd. 3N06, on the edge of Route 1. 1720 Comment
  HSC63290  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-6-27 938 Humboldt Jct. of Tish Tang A Tang Creek and trail through Grogan's Hole Comment
  UC1223259  Lupinus lepidus var. lobbii Joseph P. Tracy 1940-7-7 16672 Humboldt ridge back Clear Lake (Grouse Mountain); , ridge back of Clear Lake 1524 Comment
  UC150137  Lupinus littoralis Joseph P. Tracy 1911-11-5 3556 Humboldt Ocean Beach Humboldt Bay; Northern Coast Region, Ocean Beach at Humboldt Bay Comment
  UC156999  Lupinus luteolus Joseph P. Tracy 1908-6 2696 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA32650  Lupinus luteolus Doris K. Kildale 1926-7-11 2347 Humboldt Bear River at Capetown. Comment
  UC502998  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1932-7-14 10558 Humboldt Wet Meadow at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC74400  Lupinus sellulus subsp. ursinus Gail Newton 1980-6-28 734 Humboldt Near Mad River Butte. 1536 Comment
  HSC58566  Lupinus tracyi G. L. Clifton, Griswold 1979-7-26 10197 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  UC502994 Image available Lupinus tracyi Joseph P. Tracy 1932-7-15 10598 Humboldt ridges e Corral Prairie; Klamath Mountains; ridges E of Corral Prairie, Trinity Summit, Klamath Mts., Humboldt Co. 1828 Comment
  UC502995 Image available Lupinus tracyi Joseph P. Tracy 1932-7-15 10598 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit; Trinity summit, Humboldt Co. 1828 Comment
  HSC14892  Lupinus variicolor R. T. Forester 1963-4-20 7 Humboldt 1 mi. N of Fairhaven on Samoa Rd. Comment
  HSC100503  Luzula Carl C. Marshall May 1886 219 Humboldt Gulch E of Arcata. 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
  HSC74420  Luzula comosa Gail Newton 1980-8-10 2042 Humboldt Near Blake Mountain 1707 Comment
  HSC45018  Luzula comosa R. Sutherland 1978-4-23 13 .23478 Humboldt Telegraph Ridge at head of Green Ridge 707 Comment
  HSC67152  Luzula comosa J. P. Smith, Steve Selva 1970-6-30 4144 Humboldt Comment
  HSC96237  Luzula comosa April A. Allard, Gregory D. O'Connell 2005-6-3 2 Humboldt 19.3mi S of Hwy. 299 on NF1 1246 Comment
  HSC63876  Luzula parviflora M. A. Baker 1979-6-29 959 Humboldt Hopkins Creek 750 Comment
  UC249748  Luzula parviflora Joseph P. Tracy 1923-6-24 6360 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, , nr High Prairie 1066 Comment
  JEPS67157  Luzula subsessilis Joseph P. Tracy 1918-4-14 4877 Humboldt s end Dows Prairie (Fish's Mill Creek); Northern Coast Ranges, , s end Dows Prairie 60 Comment
  RSA32655  Lychnis coronaria Doris K. Kildale 1927-7-3 3651 Humboldt Willow Creek Flat. Comment
  UC534971  Lycopodium clavatum H. E. and W. K. Parks 1932-7-30 1132 Humboldt Hammond Lumber Company Camp 21 Trinidad 152 Comment
  POM87675  Lysichiton americanus Le Roy Abrams, Rimo C. Bacigalupi 8277 Humboldt Big Lagoon. South of Orick. Comment
  RSA21016  Lysichiton americanus Carl B. Wolf 1937-9-11 9325 Humboldt Redwood Highway, 3 miles N of Orick at Davison s Ranch on Prairie Creek. 61 Comment
  UC562528  Lythrum hyssopifolia Joseph P. Tracy 1934-7-30 13512 Humboldt in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  HSC60076  Madia elegans M. A. Baker 1978-5-6 499 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC70362  Madia elegans Gail Newton 1980-6-7 124 Humboldt Near Brush Mtn. 1128 Comment
  HSC35631  Madia elegans Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-1 2144 Humboldt Beside Willow Creek just up stream from Hwy. 299 bridge Comment
  SEINET11810578  Madia elegans L. K. Henry 1971-1 s.n. Humboldt along Rt. 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  UC1223209  Madia elegans Joseph P. Tracy 1950-8-4 19260 Humboldt ne of Lookout station (Grasshopper Peak, at head of Canoe Creek); Bull Creek State Park, Canoe Creek Comment
  RSA44302  Madia elegans subsp. elegans H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  CAS-BOT-BC344357  Madia exigua L. R. Abrams 1916-7-11 5995 Humboldt Between Blocksberg & Bridgeville Comment
  HSC73178  Madia exigua M. A. Baker 1980-5-18 1336 Humboldt Near Black Mtn. 792 Comment
  CAS-BOT-BC343028  Madia gracilis Doris Kildale 1931-6-6 10856 Humboldt Gans Prairie, Orick - Weitchpec road Comment
  HSC50342  Madia gracilis Overton, Butler 1979-7-24 9692 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC71164  Madia gracilis Thomas W. Nelson 1977-5-30 3410 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  HSC74504  Madia gracilis Gail Newton 1980-8-10 2053 Humboldt Near Blake Mtn. 1707 Comment
  JEPS40388  Madia gracilis W. L. Jepson 1932-7-26 16405 Humboldt Bull Creek 106 Comment
  POM232321  Madia gracilis subsp. gracilis I. L. Wiggins 1930-7-11 4679 Humboldt Near Samoa Comment
  HSC40379  Madia sativa Linda M. Barker 1976-6-14 1592 Humboldt 3 mi. W of Arcata Comment
  RSA0011631  Madia sativa R. F. Thorne, Percy C. Everett 1965-8-7 35216 -b Humboldt Samoa Peninsula. 0 Comment
  POM114046  Maianthemum dilatatum Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC22509  Maianthemum dilatatum Joel W. Reinhard 1966-4-30 28 Humboldt Two beaches N of College Cove Comment
  SD53198  Maianthemum dilatatum Darley F. Howe 1962-5-21 Humboldt 35.5 miles north of Garberville, on #101. 60 Comment
  CHSC24724  Maianthemum racemosum G. Strang 1976-4-10 7 Humboldt 1.2 mi. e of Hydesville, s side of highway. 45 Comment
  HSC15656  Maianthemum racemosum subsp. amplexicaule Harvey Doerksen 1962-5-4 3 Humboldt W of Korbel, S side of Mad River Comment
  HSC41355  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1974-8-2 507 Humboldt Horse Mtn. Comment
  HSC34914  Maianthemum stellatum Thomas W. Nelson, James Nelson 1975-5-24 1844 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA0009485  Maianthemum stellatum Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville. Comment
  POM56123  Malacothrix floccifera Joseph P. Tracy 1918-7-6 5049 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  UC1239529  Malacothrix floccifera Joseph P. Tracy 1935-7-17 14100 Humboldt Willow Creek Canyon Northern Coast Ranges 304 Comment
  HSC15994  Malva nicaeensis Paul Shields 1955-6-3 Humboldt HSC campus Comment
  UC673056  Malva nicaeensis Joseph P. Tracy 1940-9-26 16734 Humboldt at s end of Humboldt Bay, Salmon Creek Valley Salmon Creek Valley; Humboldt Bay, Salmon Creek Valley 9 Comment
  UC18729  Malva nicaeensis C. C. Marshall 1888-1 Humboldt in Humboldt County Humboldt County Comment
  CHSC46890  Marah oregana R. A. Schlising 1963-6-4 2584 Humboldt South of Orick, along Hwy 101 at Big Lagoon. Comment
  HSC7032  Marah oregana G. N. Bos 1965-5-15 268 Humboldt 2 mi. W of Berry Summit along U.S. 299. 701 Comment
  HSC7030  Marah oregana S. J. Hawks 1965-4-6 17 Humboldt Luffenholtz Beach Comment
  JEPS65525  Medicago sativa Lincoln Constance 1934-6-3 796 Humboldt Dyerville South Fork Eel River, Bull Creek region (foot of bank along n side of Redwood Hwy.) Comment
  HSC61766  Medicago sativa Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  SEINET200333 Image available Melica harfordii Joseph P. Tracy 1913-6-13 4116 Humboldt Bolander Rocky Mountain slopes; near summit of ridge between Van Duzen and Mad rivers on Dinsmore's Ranch. 1067 Comment
  UC1103161  Melica subulata H. E. Parks and Joseph P. Tracy 1934-6-27 11075 Humboldt Grouse Mt. 1432 Comment
  SEINET13946829 Image available Mentha arvensis Henry M. Pollard 1945-1 Humboldt Pond near Harley place, Orleans Comment
  HSC99607  Mentha canadensis C. B. Wolf 1927-8-22 768 Humboldt Big Lagoon Comment
  HSC12719  Mentha pulegium C. E. Fellows 1970-10-31 377 Humboldt Rio Dell, bank of Eel River, 1/2 mi. E of bridge on N side of town Comment
  HSC36045  Mentha pulegium Thomas W. Nelson 1975-9-24 2200 Humboldt Beside Indianola Rd., ca. 1/2 mi. E of its junction with Hwy. 101 Comment
  HSC99259  Mentha pulegium David Adams 1960-8-20 Humboldt Whitlow (Sequoia) 60 Comment
  HSC70912  Mentzelia dispersa Gail Newton 1980-7-23 1740 Humboldt Near Packsaddle Ridge 1463 Comment
  UCD102807  Micranthes californica K. Esau 1935-4-8 s.n. Humboldt Fort Seward. Comment
  HSC100505  Micromeria douglasii Carl C. Marshall Jun 1887 459 Humboldt Everywhere. Comment
  UC1199340  Micropus californicus var. californicus Joseph P. Tracy 1930-6-29 8827 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  CAS-BOT-BC322621  Microseris Milo S. Baker 1927-8-21 2488 a Humboldt Near Baldt Mt. 914 Comment
  SEINET11810179  Microseris laciniata H. P. Chandler 1901-1 1408 Humboldt Klamath River 244 Comment
  UC1199445  Microseris laciniata subsp. laciniata Harold E. Parks and Joseph P. Tracy 1942-5-16 11569 Humboldt vicinity Garberville 152 Comment
  UC175985  Microseris laciniata subsp. laciniata Joseph P. Tracy July 1908 2893 Humboldt ridge between Van Duzen River and Mad River (Humboldt and Trinity Counties); Northern Coast Ranges, ridge between Van Duzen River and Mad 914 Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  UC147924  Mimulus arvensis Joseph P. Tracy 1909-6-20 3000 Humboldt Freshwater Creek Northern Coast Region, Humboldt Bay region 0 Comment
  HSC27389  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson 1970-10-31 287 Humboldt Beside railroad tracks at the N end of the Scotia Bluffs Comment
  HSC20821  Mimulus breweri J. P. Tracy 1932-7-10 10375 Humboldt Trinity Summit 1585 Comment
  HSC55737  Mimulus breweri G. L. Clifton, Griswold 1979-7-26 10234 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC55989  Mimulus breweri Overton, Butler 1979-7-31 11404 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC147904  Mimulus breweri Joseph P. Tracy 1908-6 2699 Humboldt opposite Buck Mountain; Northern Coast Ranges, Van Duzen River Valley 762 Comment
  JEPS22954  Mimulus dentatus Volney Rattan June 1882 Humboldt Humboldt Bay Comment
  UC124422  Mimulus dentatus V. Rattan 1882-1 Humboldt Humboldt Bay Comment
  UC1196769  Mimulus floribundus Joseph P. Tracy 1923-9-16 6557 Humboldt at mouth South Fork; Trinity River Valley 182 Comment
  UC1196836  Mimulus grandis J. P. Tracy 1901-6-16 1139 Humboldt immediate vicinity Eureka (near Bucksport) 0 Comment
  UC147884  Mimulus grandis J. P. Tracy 1903-6-14 1923 Humboldt immediate vicinity Eureka 0 Comment
  HSC20721  Mimulus guttatus J. F. Knezevich 1968-5-14 432 Humboldt 13 mi. S of Ferndale at Cape Mendocino 0 Comment
  HSC60081  Mimulus guttatus M. A. Baker 1978-5-6 472 Humboldt Bald Hills Rd., between Klamath River and French Camp Rd. Comment
  HSC74642  Mimulus guttatus M. A. Baker 1980-5-18 1366 Humboldt Near Black Mtn. 792 Comment
  HSC90636  Mimulus guttatus Gail Newton 1983-6-5 3554 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA60480  Mimulus guttatus John H. Thomas 1949-6-12 896 Humboldt Along road between Orick and Martin's Ferry. 15.5 miles west of Martin's Ferry. 762 Comment
  UC1011937  Mimulus guttatus F. W. Pennell and J. P. Tracy 1940-7-7 26087 Humboldt headwaters Willow Creek (Route 299) 762 Comment
  UC1196806  Mimulus kelloggii Joseph P. Tracy 1947-4-20 17671 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC104076  Mimulus layneae S. Carothers 2002-6-11 Humboldt Six Rivers National Forest; along Ruth Lake Rd., between Ruth and bridge crossing to Shannon Butte 841 Comment
  UC41845  Mimulus nanus var. nanus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC12793  Mimulus pilosus Jana Kattenhorn 1970-10-28 149 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  HSC49137  Mimulus pilosus R. Becking 1979-7-29 Humboldt Van Duzen River at Cheatam Grove E of Carlotta Comment
  HSC97942  Mimulus pulsiferae Cara Witte 2007-6-20 304 Humboldt National Forest 1. 1/4 mile north of intersection with 5N09. 1434 Comment
  UC582492  Mimulus pulsiferae Joseph P. Tracy 1933-7-25 12838 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
Read comments
Sep 10 2013
  UC147905  Mimulus pulsiferae Joseph P. Tracy 1908-6 2698 Humboldt opposite Buck Mountain (along stream); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC71160  Mitella diversifolia Thomas W. Nelson 1977-6-15 3422 Humboldt Along USFS rd connecting FS 6N01 to 5N10, just N of Clear Lake 1372 Comment
  CAS-BOT-BC433029  Mitella ovalis Doris K. Kildale 1927-6-25 3577 Humboldt Fearren's Ranch between Thorn & Shelter Cove Comment
  CAS-BOT-BC433034  Mitella ovalis Victor Duran 1933-5-11 3404 Humboldt Six miles west of Bridgeville, Van Duzen River Comment
  HSC49620  Mitella ovalis R. York 1979-4-9 212 Humboldt Behind HSU campus Comment
  JEPS49672  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  UC1051581  Mitella trifida Joseph P. Tracy 1935-7-23 14151 Humboldt McKay Prairie Trinity Summit 1584 Comment
  UC1191371  Mollugo verticillata Malcolm A. Nobs, S. Galen Smith 1949-8-11 1339 Humboldt eastern shore of Stone Lagoon; Stone Lagoo Comment
  RSA0022786  Monardella villosa subsp. subserrata F. W. Peirson 1926-7-13 7050 Humboldt Near Blue Lake, Mad River Comment
  UC479138  Monardella villosa subsp. villosa Marcus E. Jones, A. M. 1931-7-16 28821 Humboldt Junction, East of Arcata Comment
  HSC97469  Montia C. Witte 2007-5-21 53 Humboldt Board Camp Mountain. Near intersection of Forest Service Road 4N38 with National Forest 1. 1394 Comment
  JEPS109237  Montia howellii Stephanie Puentes 2008-4-23 Humboldt Vicinity Larabee Valley, along Horse Creek about 1 mile upstream from Hwy 36. Comment
  HSC97935  Montia linearis Cara Witte 2007-5-21 63 Humboldt White Oak Opening. 1257 Comment
  UC275280  Montia parvifolia Joseph P. Tracy 1923-6-20 6311 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  UCD86799  Muhlenbergia mexicana P. B. Kennedy 1923-8-5 s.n. Humboldt West fork of Eel River between Phillipsville and Garberville. Comment
  HSC78084  Myosurus minimus L. P. Janeway, K. Berg, Rudy Becking 1984-4-11 718 Humboldt N Spit of Humboldt Bay on BLM land 3 Comment
  UC1585367  Myrica californica R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 UCBG 18 Humboldt W. of Eureka 0.5 km. S. of Hwy. 255 on New Navy Base Rd., on North spit of Samoa Peninsula. Comment
  SEINET6671234 Image available Myrica californica C. L. Hitchcock, J. S. Martin 1939-1 5437 a Humboldt Shelter Cove Comment
  JEPS79940  Navarretia Joseph P. Tracy 1937-7-19 15464 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 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
  UC52826  Navarretia divaricata subsp. vividior Chesnut and Drew 1888-7-23 Humboldt Hyampum Comment
  UC133641  Navarretia divaricata subsp. vividior Joseph P. Tracy 1906-7-4 2524 Humboldt near Hydesville (near mouth of Yager Creek); Northern Coast Region 60 Comment
  UC1198599  Navarretia intertexta Joseph P. Tracy 1916-6-20 4731 Humboldt Alder Point Northern Coast Ranges 152 Comment
  SEINET200377  Navarretia intertexta Joseph P. Tracy 27 Jun to 30 Jul 1908 2799 Humboldt Valley of Van Duzen River opposite Buck Mountain. 305 Comment
  UC1222712  Navarretia intertexta subsp. intertexta Joseph P. Tracy 1950-6-25 18898 Humboldt 3 mi s Burr Valley (near the Sprosten Place, on the road to the Albee Place) Comment
  UC908640  Navarretia mellita Joseph P. Tracy 1934-7-9 13333 Humboldt 5 mi s Harris 762 Comment
  JEPS70473  Navarretia squarrosa Joseph P. Tracy 1935-7-18 14103 Humboldt Table Bluff 6 Comment
  JEPS70468  Navarretia squarrosa Milo S. Baker 1923-7-19 27 Humboldt Carlotta (Wilders) Carlotta Comment
  JEPS70475  Navarretia squarrosa Lincoln Constance 1934-6-25 931 Humboldt across road Collin's Englewood Campground (on e side of road at Englewood, main Eel River); Eel River, Bull Creek Region, Englewood Comment
  UC198643  Navarretia tagetina Joseph P. Tracy 1916-6-19 4709 Humboldt Forks of Dobbyn Creek Northern Coast Ranges 182 Comment
  UC1239751  Nemophila menziesii Joseph P. Tracy 1923-3-17 6158 Humboldt vicinity Garberville; vicinity of Garberville 121 Comment
  UC1239741  Nemophila menziesii Joseph P. Tracy 1938-5-1 15729 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC13581  Nemophila menziesii var. atomaria C. O. Baker 1962-3-22 2 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  RSA21087  Nemophila menziesii var. menziesii Carl B. Wolf 1937-6-19 8915 Humboldt North Coast Range, 3 miles west of Little Van Duzen River at summit of grade - Dinsmores to Bridgeville. 762 Comment
  CAS-BOT-BC219406  Nemophila parviflora Alice Eastwood; John Thomas Howell 1937-6-23 4817 Humboldt 5 miles east of Bridgeville Comment
  HSC100498  Nemophila parviflora Carl C. Marshall Mar 1886 146 Humboldt About Arcata. Comment
  HSC71030  Nemophila pedunculata Thomas W. Nelson 1977-4-20 3322 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UC198640  Nemophila pedunculata Joseph P. Tracy 1917-5-27 4784 Humboldt Eureka Northern Coast Ranges, at Eureka 0 Comment
  UC1103816  Nemophila pedunculata Joseph P. Tracy 1928-3-18 8404 Humboldt Van Duzen River at Grizzly Peak; Van Duzen River at Grizzly Peak 91 Comment
  UC585996  Nicotiana quadrivalvis Joseph P. Tracy 1930-10-19 9223 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  UCR45372  Notholithocarpus densiflorus var. densiflorus Barry Silver 1986-4-13 505 Humboldt Bair Road, 6.4 mi. WSW of Hoopa Comment
  SD42287  Notholithocarpus densiflorus var. echinoides Carl B. Wolf 1937-8-13 9239 Humboldt 8 miles east of Hoopa Valley on new road towards trinity summit 1219 Comment
  HSC20656  Nuttallanthus texanus L. H. Myers 1963-4-5 19 Humboldt Dunes W of Lanpheres Rd., Mad River slough area Comment
  UC1128079  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; Trinity National Forest, China Flat Quad. 182 Comment
  UC666832  Oemleria cerasiformis Joseph P. Tracy 1937-6-20 15356 Humboldt 10 mi up stream mouth of Bear River; Bear River 152 Comment
  BLMAR318  Oenanthe sarmentosa Jennifer Anthony-Wheeler 2002-8-9 318 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  UC642332  Oenanthe sarmentosa Joseph P. Tracy 1927-9-25 8376 Humboldt at Eureka Eureka 6 Comment
  UC642344  Oenanthe sarmentosa Joseph P. Tracy 1938-8-20 16123 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  HSC95443  Oenothera wolfii D. K. Imper 1986-9-1 Humboldt S of Trinidad, Hwy. 101, across from Clam Beach 5 Comment
  CHSC12923  Orobanche californica subsp. californica K. D. Cox 1974-6-7 189 Humboldt Big Lagoon County Park, on Hwy. 101, about 7 mi. N. of Tinidad. Next to parking lot. 0 Comment
  CAS-BOT-BC499669  Orobanche californica subsp. californica J. Clausen 1932-9-18 690 Humboldt About 5 mi S of Cape Mendocino Lighthouse Comment
  JEPS10821  Orobanche fasciculata Lincoln Constance 1934-5-29 741 Humboldt Bull Creek Region. South Fork Eel River. Upper Look Prairie, just above Lookout Point. Comment
  BLMAR257  Orobanche pinorum Jennifer Anthony-Wheeler 1997-7-10 257 Humboldt King range, UNCOMMON, parasitized ocean spray, growing on rocky, open forest slope 304 Comment
  HSC34915  Orobanche uniflora Thomas W. Nelson, James Nelson 1975-5-24 1843 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC642296  Orogenia fusiformis Joseph P. Tracy 1932-7-15 10595 Humboldt ridges e. of Corral Prairie Trinity Summit 1828 Comment
  HSC55229  Orthilia secunda G. L. Clifton, Griswold 1979-8-2 12430 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1197575  Orthilia secunda Joseph P. Tracy 1935-7-23 14156 Humboldt Trinity Summit, Lower end of Brett Hole 1584 Comment
  RSA0006077  Orthocarpus castillejoides var. humboldtiensis Philip A. Munz 1925-6-20 9890 Humboldt Eureka. Comment
  POM210218  Orthocarpus lithospermoides S. T. Parks, Joseph P. Tracy 1930-5-25 796 Humboldt Vicinity of Bridgeville, Laribee Valley. Comment
  HSC74741  Osmorhiza berteroi Gail Newton 1981-7-24 2323 Humboldt Near Bug Creek Butte 1417 Comment
  HSC16717  Oxalis articulata subsp. rubra William J. Ferlatte 1963-4-27 23 Humboldt Waste place near 11th and B street, in Arcata. Comment
  HSC79521  Oxalis corniculata Kenneth Clark 1980-3-1 516 Humboldt Middle alluvial terrace, Dead Man's Gulch, on terraces and along access trail to Dead Man's Gulch. 37 Comment
  HSC100585  Oxalis oregana Carl C. Marshall Mar 1886 151 Humboldt Everywhere. Comment
  SEINET3347657 Image available Oxalis oregana A. A. Heller 1923-7-8 13770 Humboldt Near Pepperwood Comment
  SD53235  Oxalis oregana Darley F. Howe 1962-5-22 3309 Humboldt 3.0 miles east of Orick n Bald Mountain road. 395 Comment
  HSC55209  Oxalis trilliifolia Walter Overton 1979-8-1 12336 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  POM89798  Panicum acuminatum var. acuminatum Joseph P. Tracy 1920-8-15 5356 Humboldt Klamath River at Bluff Creek 152 Comment
  UC1254537  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-8 1630 Humboldt 5 mi s Garberville (bank of South Fork Eel River at Hwy 101); bank of S Fk Eel River Comment
  UC212875  Panicum acuminatum var. acuminatum Joseph P. Tracy 1920-8-15 5356 Humboldt Klamath River Bluff Creek; Northern Coast Ranges, Klamath River at Bluff Creek 152 Comment
  HSC10489  Panicum acuminatum var. fasciculatum J. P. Tracy 1931-5-17 9427 Humboldt Trinity River Valley, at Willow Creek. Comment
  SEINET200584 Image available Parapholis incurva Joeseph P. Tracy 1937-6-5 15328 Humboldt Mouth of Little River 3 Comment
  HSC72402  Parentucellia viscosa J. P. Smith 1973-5-26 6788 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC10526  Paspalum distichum D. E. Anderson 1963-9-29 2846 Humboldt Fish Lake. Comment
  BLMAR493  Pectiantia ovalis Jennifer Wheeler 2009-4-30 493 Humboldt King range, Hidden Valley trail; trail start Comment
  JEPS10352  Pedicularis densiflora Joseph P. Tracy 1926-5-2 7426 Humboldt near the South Fork; Trinity River Valley 182 Comment
  UC1314349  Pellaea andromedifolia Stewart Harris 1960-7-11 21651 Humboldt 3.8 mi w Redway (on rd to Briceland) Comment
  CAS-BOT-BC69338  Pellaea brachyptera Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC39931  Pellaea brachyptera J. O. Sawyer 1970-6-25 2294 Humboldt 1646 Comment
  HSC1074  Pellaea mucronata var. mucronata J. P. Tracy 1933-6-13 12561 Humboldt Hoopa Mtn., near summit on rd. from Hoopa westward to Bair's 1067 Comment
  HSC44531  Penstemon anguineus Brad Klipfel 1973-7-1 139 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56009  Penstemon anguineus Gilbert Muth 1979-7-31 11491 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  RSA60491  Penstemon deustus subsp. deustus John H. Thomas 1949-6-12 902 Humboldt Near Klamath River, 1/2 mile N of town of Orleans Comment
  NY609835  Penstemon deustus var. suffrutescens J. P. Tracy 1935-7-28 14327 Humboldt Trinity Summit, head of Devil's Hole 1828.8 Comment
  UC1222461  Penstemon heterophyllus Joseph P. Tracy 1936-6-17 14973 Humboldt at crossing of highway below Larrabee Valley (Little Van Duzen River); , below Larrabee Valley 713 Comment
  CDA41855  Penstemon laetus subsp. sagittatus Kaylea Eickhoff, Cara M. Witte 2005-6-15 14 Humboldt 14.1 miles south of Highway 299 on NF1, 0.25 mile northeast of Grouse Mountain. Comment
  JEPS11632  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 B Humboldt on ridge 2 mi e Grove's Prairie (Trinity Summit); , e of Grove's Prairie 1524 Comment
  HSC100914  Penstemon menziesii Carl C. Marshall Jun 1886 305 Humboldt Trail E of Hoopa. Comment
  HSC102618  Penstemon newberryi var. berryi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1605 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC1565792  Penstemon newberryi var. berryi R. Spellenberg 1990-7-9 10229 Humboldt 6 air mi WNW of Hyampom (South Fork Mountain, USFS Rd 1.5 mi N of Blake Mt.; 36 mi S of Hwy 299 and Berry Summit); Humboldt Co., extreme E edge 1676 Comment
  HSC81903  Penstemon procerus var. brachyanthus Thomas W. Nelson 1979-7-11 4995 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  RSA46686  Penstemon purpusii Doris K. Kildale 1937-7-18 15141 Humboldt Horse Mt. Comment
  SEINET10547443 Image available Penstemon rattanii var. rattanii V. Rattan Rattan 11918 Humboldt 792 Comment
  UC165061  Pentachaeta alsinoides Joseph P. Tracy 1903-5-23 1890 Humboldt dry hillside at Alder Point; Eel River 243 Comment
  HSC33659  Pentagramma triangularis M. Wetherwax 1975-6-1 174 Humboldt Along Butler Valley Rd. 0.5 mi. past the bridge over the Mad River Comment
  UC642345  Perideridia howellii Joseph P. Tracy 1930-10-26 9237 Humboldt Valley of South Yager Creek 762 Comment
  UC184323  Perideridia kelloggii Joseph P. Tracy 1912-8-3 3967 Humboldt Dinsmore's Ranch Northern Coast Ranges, valley of Van Duzen River (opposite Buck Mt.) 762 Comment
  UC642270  Perideridia parishii subsp. latifolia Joseph P. Tracy 1932-7-14 10543 Humboldt Corral Meadow Trinity Summit 1584 Comment
  CHSC79802  Persicaria capitata Gordon Leppig; Sylvia Leppig 2000-4-16 1298 Humboldt Arcata. Corner 17th and J St. base of curb. UTM zone 10, N4525 E408. 60 Comment
  CAS-BOT-BC419193  Persicaria maculosa Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  HSC12557  Persicaria maculosa D. La Conte 1970-8-11 15 Humboldt Along side of creek intersecting Campton Rd. Comment
  HSC25526  Persicaria maculosa Norman Dennis 1965-6-8 109 Humboldt Samoa Peninsula along W side of Humboldt Bay Comment
  CDA40548  Persicaria wallichii R. Robison 2014-5-5 s.n. Humboldt Adjacent to Trinidad State Beach on Stagecoach Road. 0 Comment
  HSC6056  Petasites frigidus var. palmatus S. S. Stutz 1963-3-24 13 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  HSC42200  Phacelia bolanderi Ed Cope 1977-4-23 22 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC198663  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek Bluff Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  JEPS47303  Phacelia californica L. R. Heckard and R. Bacigalupi 1964-7-28 1428 Humboldt about 1 mi e ocean (where Petrolia-Ferndale first reaches the beach) Comment
  HSC38488  Phacelia corymbosa D. E. Anderson, J. P. Smith 1976-7-6 - 1271 Humboldt Horse Mtn. Comment
  HSC65631  Phacelia egena J. P. Smith, Steve Selva 1970-6-14 3828 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC57205  Phacelia mutabilis Griswold, Butler 1979-7-12 7160 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC99429  Phacelia procera K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 78 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD88167  Phalaris aquatica J. W. Logan 1926-6-2 s.n. Humboldt Ferndale. Rusk Ranch. Plot near house. Comment
  CDA304  Phalaris arundinacea J. W. Logan 1926-6-2 2 Humboldt Russell Ranch, Eureka. 0 Comment
  UC186003  Phalaris minor J. P. Tracy 1912-10-20 3994 Humboldt near Loleta Pond (Eel River Valley); , near Loleta Pond 15 Comment
  HSC55709  Philadelphus californicus Overton, Butler 1979-7-26 10098 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  UC154110  Philadelphus lewisii Joseph P. Tracy 1908-6 2886 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  RSA0046937  Philadelphus lewisii Doris K. Kildale 1927-7-2 3661 Humboldt Redwood Creek at Berry s. Comment
  RSA10145  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek. 762 Comment
  UC526854  Phleum alpinum Joseph P. Tracy 1934-7-18 13447 Humboldt Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC65479  Phlox adsurgens M. A. Baker 1980-6-7 1806 Humboldt Near Brush Mtn. 1128 Comment
  RSA141274  Phlox diffusa subsp. diffusa Joseph P. Tracy 1927-6-12 8126 Humboldt Horse Mountain 1433 Comment
  UC1222725  Phlox gracilis Joseph P. Tracy 1950-5-7 18648 Humboldt head of Valley of South Yager Creek Valley of South Yager Creek 762 Comment
  UC526853  Phragmites australis Joseph P. Tracy 1934-6-18 13226 Humboldt at Railroad Station Eureka; Northern Coast Ranges, Eureka 0 Comment
  SEINET2444304  Phyllospadix scouleri C. Davidson 2010-10-3 11819 Humboldt Moonstone State Beach. North of Arcata. Washed up by a high surf.; 0 Comment
  CAS-BOT-BC451997  Phyllospadix scouleri Robert F. Thorne 1957-9-3 19016 Humboldt At Abalone Point, Patrick's Point State Park Comment
  SEINET3290581 Image available Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Trinidad, Spruce Cove Comment
  JEPS44665  Physocarpus capitatus Lincoln Constance 1934-5-26 656 Humboldt s end Dyerville Bridge (s bank of S. Fork of Eel River); Bull Creek Region Comment
  UC1198700  Physocarpus capitatus Joseph P. Tracy 1922-10-29 6133 Humboldt Alton 30 Comment
  NY951520  Picea sitchensis D. H. Goldman 2004-10-30 2901 Humboldt West side of Eel River Drive, about 0.4 mile S of the intersection with Hookton Road and the entrance ramp to Rt. 101 21 Comment
  RSA175261  Picea sitchensis Robert F. Thorne 1957-9-3 19011 Humboldt Little River Beach, few miles S of Trinidad. Comment
  HSC99044  Pinus attenuata Cara Witte 2008-6-15 752 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  JEPS46797  Pinus attenuata P. E. Goddard 1901-1 Humboldt Hupa region Comment
  CAS-BOT-BC78379  Pinus contorta Doris K. Kildale 1926-11-28 2865 Humboldt Patrick's Point 60 Comment
  HSC45891  Pinus contorta J. P. Smith 1971-10-6 4962 Humboldt Dunes at end of Murray Rd., McKinleyville, Bulk Collection # 154 Comment
  LA6067  Pinus contorta Carl Epling; William Robison 1935-7-22 sn Humboldt Patrick's Point Comment
  HSC54523  Pinus jeffreyi Overton, Butler 1979-7-23 9455 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  UCR139067  Pinus jeffreyi Gordon Leppig 1998-6-1 878 Humboldt Horse Mountain. Titlow Hill Road at Road to Horse Mountain Mine 1422 Comment
  HSC74337  Pinus lambertiana M. A. Baker 1980-5-18 1280 Humboldt Near Black Mtn. 1006 Comment
  HSC99045  Pinus lambertiana Cara Witte 2008-6-15 753 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  HSC72826  Pinus monticola Gail Newton 1980-6-16 192 Humboldt Near Onion Mtn. 1280 Comment
  RSA46498  Pinus monticola Doris K. Kildale 1927-3-27 2998 Humboldt 1 mile north of Trinidad. Comment
  HSC31514  Pinus muricata Steve Selva, Roger Jensen 1974-8-21 32 Humboldt E bank of Hwy. 101 opposite rest stop, 2 mi. N of Trinidad Comment
  UCR143016  Pinus muricata Robert M. Specht 1977-11-20 1190 Humboldt North Coast, [near Candy Mtn. SE of Patrick's Point] vicinity of Hwy 101 and Georgia-Pacific's A-line road 183 Comment
  CAS-BOT-BC79028  Pinus ponderosa Ranger K. Fox 1939-8-22 13876 Humboldt Along the Everett Memorial Highway 1981 Comment
  SEINET10296823  Piperia unalascensis Unknown 1932-7-12 10453 Humboldt Trinity Summit Fir woods near Corral Prairie Altitude 5200 feet Comment
  HSC3633  Plagiobothrys nothofulvus Elrid H. Spinas 1948-5-15 5 Humboldt Horse Mtn. Comment
  RSA226608  Plagiobothrys nothofulvus Norman Dennis 1965-6-11 114 Humboldt About 0.25 mile S and 1 mile E of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles SE of Kneeland. 793 Comment
  UC1222214  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-15 17142 Humboldt Miranda South Fork Eel River, Miranda 121 Comment
  HSC69871  Plagiobothrys tenellus Thomas W. Nelson 1978-5-28 4093 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  UC604631  Plantago elongata Joseph P. Tracy 1938-7-15 16074 Humboldt Mouth of Eel River 3 Comment
  UC1151994  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Bridge 609 Comment
  POM61312  Plantago hirtella var. galeottiana Joseph P. Tracy 1906-6-17 2493 Humboldt Immediate vicinity of Eureka. 0 Comment
  HSC96482  Platanthera dilatata var. leucostachys Gordon Leppig 1997-6-19 443 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC99138  Platanthera dilatata var. leucostachys Cara Witte 2008-8-6 1002 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  CAS-BOT-BC91631  Platystemon californicus Alice Eastwood s.n. Humboldt Samoa. Comment
  UC1196295  Platystemon californicus Joseph P. Tracy 1935-5-25 13871 Humboldt Fort Seward 106 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
  UC1239574  Plectritis congesta Joseph P. Tracy 1916-4-30 4680 Humboldt Northern Coast Ranges, around Humboldt Bay, Salmon Creek Valley Salmon Creek Valley; Northern Coast Ranges, Salmon Creek Valley 60 Comment
  UC999832  Plectritis congesta S. C. Dyal 1938-6-11 719 d Humboldt 2 mi e of Dinsmore Comment
  HSC26333  Plectritis congesta subsp. congesta Thomas W. Nelson 1971-4-12 375 Humboldt S spit of Humboldt Bay. Comment
  HSC49518  Plectritis macrocera R. York 1979-4-16 232 Humboldt E of Samoa drag strip. Comment
  HSC48927  Pleuricospora fimbriolata M. A. Ericksen 1979-5-15 292 Humboldt 7 mi. up Eye See Rd. S of Orleans, off State Routh 96. Bulk Collection 163 Comment
  HSC63839  Pleuricospora fimbriolata M. A. Baker 1979-6-26 907 Humboldt N side of ridge near summit Comment
  SEINET6652845 Image available Pleuricospora fimbriolata Joseph P. Tracy 1925-1 7184 A Humboldt Northern Coast Ranges: High Prairie on Bald Mountain 1067 Comment
  HSC99142  Pleuropogon refractus Cara Witte 2008-7-16 905 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile S of intersection with National Forest 1. 1409 Comment
  UC1152046  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  UCD90107  Pleuropogon refractus Joseph P. Tracy 1939-7-9 16334 Humboldt Snow Camp. Comment
  HSC89479  Poa annua P. A. Daly 1986-3-12 76 Humboldt Trinidad Head, along trail 61 Comment
  CAS-BOT-BC254712  Poa bolanderi Joseph P. Tracy 1932-7-12 10464 Humboldt Klamath Mountains. Head of Brett Hole 1828 Comment
  UC1145111  Poa bulbosa Joseph P. Tracy 1942-6-2 17104 Humboldt Valley of S Yager Creek 762 Comment
  RSA10140  Poa compressa Joseph P. Tracy 1927-7-3 8224 Humboldt Fieldbrook 61 Comment
  HSC10679  Poa confinis L. M. Malloy 1965-4-23 46 Humboldt Samoa, sand dunes 1/4 mi. NW of the corner of Thunder Rd. and The Hard Way. Comment
  HSC10687  Poa confinis T. O. Preston 1963-5-6 22 Humboldt Sand dunes. Comment
  RSA10143  Poa confinis Joseph P. Tracy, H. E. Parks 1927-4-24 7947 Humboldt Eureka 9 Comment
  HSC46978  Poa douglasii J. P. Smith, Thomas W. Nelson 1977-6-30 9223 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  UC1132658  Poa douglasii H. S. Yates 1936-6-18 5726 Humboldt near mouth Little River; Eureka Quadrangle Comment
  UC205645  Poa douglasii Joseph P. Tracy 1917-5-30 4804 Humboldt sand dunes of Ocean Beach at Little River Comment
  UC665695  Poa douglasii H. E. Parks May, 1934 4805 Humboldt Little River Lagoon Comment
  POM161908  Poa howellii Joseph P. Tracy 1921-4-24 5451 Humboldt Phillipsville. Facing south fork of Eel River. 91 Comment
  UCD90523  Poa kelloggii Harley P. Chandler 1901-5-1 1183 Humboldt Humboldt Bay. 30 Comment
  LA12560  Poa macrantha H. S. Yates; 1936-6-18 5726 Humboldt near mouth of Little River 4 Comment
  UCD91545  Poa macrantha Freed W. Hoffman 1946-5-21 1719 Humboldt near Eel River. Comment
  UCD91548  Poa macrantha Joseph P. Tracy 1947-7-3 17766 Humboldt at mouth of Little River. 6 Comment
  UCD91801  Poa palustris A. Murphy 1950-5-1 s.n. Humboldt Ferndale area. Comment
  UCD91919  Poa pratensis P. B. Kennedy 1923-8-3 s.n. Humboldt south of Scotia. By road through red woods off highway. Comment
  SEINET200627 Image available Poa scabrella Joseph P. Tracy 1912-7-31 395 Humboldt Buck Mountain,near the summit Comment
  RSA63625  Poa secunda Milo S. Baker s.n. Humboldt Near Yager Comment
  SEINET200626 Image available Poa secunda Joseph P. Tracy 1932-7-17 10693 Humboldt Klamath Mountains Trinity Summit, Humboldt county, Head of Devils Hole 1829 Comment
  HSC98888  Poa secunda subsp. secunda Cara Witte 2007-6-5 208 Humboldt Along Forest Service Road 4N32. Near Grouse Mountain 1413 Comment
  HSC45283  Polycarpon tetraphyllum R. W. Becking 1978-5-21 Humboldt Coast Guard Station on the N Spit to Humboldt Bay in bunker area Comment
  HSC54520  Polygala cornuta Overton, Butler 1979-7-23 9448 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  JEPS27112  Polygala cornuta var. cornuta Joseph P. Tracy 1936-8-30 15182 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC17469  Polygonum aviculare D. E. Anderson 1961-9-13 1822 Humboldt Comment
  UC1198092  Polygonum californicum Joseph P. Tracy 1929-8-18 8657 Humboldt opposite Buck Mountain; Van Duzen River, Dinsmore's 762 Comment
  CAS-BOT-BC414463  Polygonum douglasii Joseph P. Tracy 1940-8-25 16707 Humboldt Northern Coast Ranges. High Prairie, on Bald Mountain 1066 Comment
  UC672936  Polygonum douglasii Joseph P. Tracy 1936-8-2 15069 Humboldt French Camp Ridge 1066 Comment
  POM129566  Polygonum paronychia Grout, S. Grout 1910-09 s.n. Humboldt Eureka. Comment
  UC162327  Polygonum paronychia Joseph P. Tracy 1911-5-30 3200 Humboldt Bucksport Northern Coast Region, Region about Humboldt Bay 0 Comment
  JEPS50609  Polygonum persicaria Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  CAS-BOT-BC419956  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1933-7-25 12868 Humboldt Grouse Mountain 1524 Comment
  HSC74386  Polygonum polygaloides subsp. kelloggii M. A. Baker 1980-6-28 2504 Humboldt Near Mad River Buttes 1445 Comment
  JEPS79950  Polygonum polystachyum Joseph P. Tracy 1940-10-18 16775 Humboldt Eureka 30 Comment
  CDA2925  Polygonum polystachyum T. C. Fuller 1961-9-27 7040 Humboldt Slope of bluff north above mouth of Redwood Creek, 1.5 miles west of Orick. 0 Comment
  CDA2919  Polygonum sachalinense T. C. Fuller 1960-8-25 4973 Humboldt Northwestern; Outer North Coast Ranges region; West of Highway 101, 0.25 mile north of Humboldt Hill Road, Eureka. 0 Comment
  CAS-BOT-BC421006  Polygonum spergulariiforme Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1219 Comment
  HSC98905  Polygonum spergulariiforme Cara Witte 2007-7-9 463 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  RSA689951  Polypodium californicum Charlotte M. Hoak 1936-8-15 104 Humboldt Patricks Point Comment
  HSC1107  Polypodium californicum C. O. Baker 1962-3-22 4 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  CAS-BOT-BC76875  Polypodium glycyrrhiza M. S. Jussel 1931-5-2 94 Humboldt Sylvandale, 8 miles N of Garverville. 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
  CAS-BOT-BC76848  Polypodium glycyrrhiza Doris K. Kildale 1928-2-19 4262 Humboldt Big Rock between Little River and Moonstone Beach Comment
  SBBG34260  Polypodium scouleri M. Cady 1937-12-28 Humboldt Trinidad Comment
  UC375480  Polypodium scouleri Harley P. Chandler May, 1901 1137 Humboldt Humboldt Bay; North Coast Ranges 3 Comment
  POM252888  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile NE of Samoa 3 Comment
  RSA10062  Polypogon interruptus Joseph P. Tracy 1930-6-29 8819 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  RSA53785  Polypogon interruptus Henry M. Pollard 1946-8-10 s.n. Humboldt South of Klamath River and east of Perch Creek, Orleans region. Comment
  UC1103196  Polypogon monspeliensis J. P. Tracy 1901-7-24 1217 Humboldt streets Eureka; immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC72117  Polystichum californicum Joseph P. Tracy 1933-10-15 13101 Humboldt Miranda, along S. Fork Eel River 91 Comment
  HSC36639  Polystichum imbricans subsp. imbricans Thomas W. Nelson, Jane Nelson, James Nelson 1975-6-14 1903 Humboldt Beside branch off Rd. 2SO8 to Pine Mtn. Comment
  SDSU276  Polystichum munitum D. R Harvey 1938-8-13 2251 Humboldt Redwood Park. Comment
  HSC41354  Polystichum munitum Brad Klipfel 1974-8-2 508 Humboldt Horse Mtn., along Horse Mtn. Creek Comment
  UC812661  Polystichum munitum George Neville Jones 1926-3-22 8671 Humboldt near Garberville Comment
  SBBG21983  Populus balsamifera subsp. trichocarpa R. F. Thorne 1957-9-2 18990 Humboldt branch of Eel River at Burlington State Park, just S of Weott Comment
  UC205456  Portulaca oleracea Joseph P. Tracy 1919-9-13 5194 Humboldt near Willows Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC36130  Potamogeton crispus Rod Blacker 1974-5-20 742005 .2 Humboldt Jolly Giant Creek, W side of Alliance Rd. Culvert Comment
  RSA152546  Potamogeton foliosus Joseph P. Tracy 1927-8-7 8308 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  RSA296786  Potamogeton natans Clark L. Miller 1979-5-24 6 -154 Humboldt Clam Beach ponds off Highway 101, north of McKinleyville. Comment
  UCSB24728  Potamogeton natans Keefe, Joseph 1967-7-8 Humboldt east side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka. 6 Comment
  UC672876  Potamogeton pectinatus Joseph P. Tracy 1934-7-20 13462 Humboldt Big Lagoon 3 Comment
  CAS-BOT-BC143077  Potentilla anserina subsp. pacifica L. R. Abrams 1916-7-18 6130 Humboldt Arcata to Trinidad Comment
  RSA245008  Potentilla anserina var. grandis Jerry Parker 1968-10-13 111 Humboldt Coastal Strand near the mouth of the Mad River. Comment
  HSC44511  Potentilla gracilis Brad Klipfel 1973-7-1 115 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA12434  Potentilla gracilis Carl B. Wolf 1934-7-2 5859 Humboldt 5.5 miles from Bald Mt. on road to Snow Camp 915 Comment
  HSC56432  Potentilla gracilis var. fastigiata Griswold, Butler 1979-7-12 7144 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC58182  Potentilla gracilis var. fastigiata G. L. Clifton, Griswold 1979-8-2 12270 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC158492  Potentilla gracilis var. gracilis Doris K. Kildale 1927-7-10 3721 Humboldt Gans Prairie - on Bald Hills road 609 Comment
  CAS-BOT-BC158493  Potentilla gracilis var. gracilis Doris K. Kildale 1925-6-28 796 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC158497  Potentilla gracilis var. gracilis Carl B. Wolf 1934-7-2 5859 Humboldt 5 1/2 mi. from Bald Mt. on road to Snow Camp 914 Comment
  HSC15464  Prosartes hookeri D. E. Anderson 1965-5-15 3691 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  SBBG979  Prosartes hookeri H. and M. Dearing 1933-5-16 253 Humboldt Weott Comment
  HSC15465  Prosartes smithii D. Connell 1965-5-11 50 Humboldt Arcata, Jolly Giant Creek Comment
  HSC15468  Prosartes smithii W. Jan Rowe 1966-5-11 42 Humboldt 100 ft. E of HSC campus, Arcata 46 Comment
  UCD125357  Prunella vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek, near the quarry. 152 Comment
  JEPS62489  Prunella vulgaris var. lanceolata Joseph P. Tracy 1937-6-28 15370 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  RSA22550  Prunella vulgaris var. lanceolata H. E. Parks, S. T. Parks 1937-07 24052 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC1124438  Prunella vulgaris var. lanceolata H. L. Person 1932-7-16 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  CAS-BOT-BC159978  Prunus emarginata Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC159985  Prunus emarginata L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road Comment
  HSC56201  Prunus emarginata Gilbert Muth 1979-8-1 12184 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  POM89158  Prunus emarginata Joseph P. Tracy 1920-11-7 5410 Humboldt Around Humboldt Bay. Mad River at Lindsey Creek. 30 Comment
  UC666844  Prunus emarginata Joseph P. Tracy 1933-6-13 12571 Humboldt Hoopa Mountain, near summit on road from Hoopa westward to Bair's Hoopa Mountain 1066 Comment
  UC666845  Prunus emarginata Joseph P. Tracy 1934-9-5 13656 Humboldt Horse Mountain 1402 Comment
  UC1198780  Prunus virginiana var. demissa Joseph P. Tracy 1926-10-14 7814 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 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
  HSC56460  Pseudognaphalium stramineum Griswold, Butler 1979-7-12 7244 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC5708  Pseudognaphalium thermale J. P. Tracy 1938-8-14 16111 Humboldt Trinity River Valley at Willow Creek 152 Comment
  OBI36577  Pseudotsuga menziesii var. menziesii David J. Keil 1983-7-1 17264 Humboldt Ca. 8 mi W of jctn US101 along Bull Crk Flats rd Comment
  UC502919  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1932-3-19 9789 Humboldt Blus Slide on Van Duzen River Northern Coast Ranges, Van Duzen River 91 Comment
  UCD135113  Pseudotsuga menziesii var. menziesii Linda M. Barker 1976-9-3 1689 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA170252  Psilocarphus brevissimus Joseph P. Tracy, Francis W. Pennell 1940-7-7 16674 Humboldt Grouse Mountain. 1555 Comment
  UC503059  Pteridium aquilinum var. pubescens Joseph P. Tracy 1932-7-20 10732 Humboldt Corral Prairie Trinity Summit; Klamath Mts 1524 Comment
  UC577346  Pycnanthemum californicum Joseph P. Tracy 1931-9-7 9637 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC460594  Pyrola aphylla Doris K. Kildale 1926-6-27 2187 Humboldt Sweasey Lake, McClellan Mountain 822 Comment
  UC32692  Pyrola asarifolia Joseph P. Tracy 1898-7-1 248 Humboldt Kneeland Prairie 1066 Comment
  HSC54854  Pyrola picta G. L. Clifton 1979-7-25 10741 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC32690  Pyrola picta Chestnut and Drew 1888-7-21 Humboldt South Fork Mts. Comment
  UC412726  Pyrola picta P. E. Goddard Jun 1 1906-Jul 1 1906 687 Humboldt Blocksburg Comment
  HSC98038  Pyrola picta Cara Witte 2007-7-17 532 Humboldt National Forest 1. 2 miles south from intersection with 5N27. 1456 Comment
  UC1197568  Pyrola picta Joseph P. Tracy 1908-7-30 2777 Humboldt Northwest slope pf Buck Mountain 914 Comment
  CAS-BOT-BC62674  Quercus chrysolepis Doris K. Kildale 1927-5-15 3303 Humboldt Petrolia Comment
  UC1222292  Quercus chrysolepis Joseph P. Tracy 1950-8-4 19256 Humboldt at head of Canoe Creek, summit of ridge ne of the lookout station, Grasshopper Peak, in Bull Creek State Park Bull Creek State Park, Grasshopper Peak, Canoe Creek Comment
  UC54679  Quercus chrysolepis P. E. Goddard 1901-7-12 59 Humboldt Hupa Comment
  HSC43854  Quercus garryana Maralyn O'Meara 1974-7-17 550 Humboldt Kneeland Comment
  UC1052191  Quercus garryana J. L. Meyer 1954-10-10 36 Humboldt 3 mi nw Blocksburg 548 Comment
  UC1193249  Quercus garryana R. H. Neuns 1950-7-31 Humboldt Mail Ridge, e headwaters of Stuhead Creek Mail Ridge, Stuhead Creek 883 Comment
  CAS-BOT-BC105164  Quercus kelloggii Doris K. Kildale 1927-5-1 3120 Humboldt Blochsburg 518 Comment
  HSC41271  Quercus vacciniifolia Brad Klipfel 1974-6-25 417 Humboldt Horse Mtn. Comment
  SBBG111333  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt House Mtn at jct of rd to Grouse Mtn and rd to Horse Mtn Mine 1463 Comment
  SEINET3825263 Image available Quercus wislizeni Joseph P. Tracy 1914-5-14 4458 Humboldt Fort Seward Comment
  CAS-BOT-BC379198  Ranunculus aquatilis var. aquatilis C. C. Harris; S. K. Harris 1936-6-12 3363 Humboldt open woods, prairies and ledges on Chalk Mountain near Bridgeville Comment
  UC668067  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1935-5-25 13882 Humboldt Dobbyn Creek; bed of dried-up pond 152 Comment
  UC1196241  Ranunculus californicus Joseph P. Tracy 1901-4-14 1024 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  HSC18140  Ranunculus californicus var. californicus R. T. Forester 1963-3-31 37 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC18143  Ranunculus californicus var. cuneatus W. A. Heaton 1965-4-10 26 Humboldt 0.5 mi. N of Trinidad State Park Comment
  UC13971  Ranunculus flabellaris Chesnut and Drew 1888-8-1 Humboldt near Grouse Creek (pond) Comment
  UC183673  Ranunculus flammula Joseph P. Tracy 1912-7-24 3810 Humboldt Eureka Northern Coast Region 0 Comment
  BLMAR362  Ranunculus muricatus Clara Sander 2003-5-21 362 Humboldt South Spit, West side of road 9 Comment
  HSC18151  Ranunculus muricatus J. R. Good 1964-5-13 47 Humboldt End of Lanphere Rd. Comment
  HSC70330  Ranunculus occidentalis M. A. Baker 1980-6-8 1885 Humboldt Near Buck Flat. 1554 Comment
  HSC82522  Ranunculus occidentalis Thomas W. Nelson 1977-6-15 3441 Humboldt Along old road to Horse Mountain ski area. 1372 Comment
  UC1196218  Ranunculus occidentalis J. P. Tracy 1901-5-30 1107 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1196224  Ranunculus occidentalis Joseph P. Tracy 1920-5-18 5327 Humboldt 5 mi above Dyerville; Northern Coast Ranges, South Fork Eel River, Forest Lodge 60 Comment
  HSC32314  Ranunculus occidentalis var. occidentalis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5658 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC1103008  Ranunculus pusillus Joseph P. Tracy 1931-5-17 9424 Humboldt opposite mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley, Lack Pond 152 Comment
  UCR17461  Ranunculus repens R. S. Woglum 1938-8-29 2036 Humboldt North Coast, grounds of Trinidad State Park, south of Trinidad 38 Comment
  UC13973  Ranunculus uncinatus Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UC598568  Rhamnus W. K. Fisher 1899-5-24 3 Humboldt Humboldt Bay Comment
  JEPS42009  Rhamnus californica subsp. californica W. L. Jepson 1903-6-19 2206 Humboldt Briceland, s Humboldt County Briceland Comment
  RSA171022  Rhamnus californica subsp. occidentalis Robert F. Thorne 1957-9-2 19008 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  RSA40887  Rhamnus californica subsp. occidentalis Carl B. Wolf 1944-10-28 11476 Humboldt Sacramento River Canyon, 0.4 ile below mouth of Mears Creek. 457 Comment
  JEPS41952  Rhamnus purshiana W. L. Jepson 1902-7-15 2032 Humboldt Mud Spring to Trinity Summit 1219 Comment
  POM257951  Rhamnus purshiana H. E. Parks, S. T. Parks 1937-06 24018 Humboldt Spruce Cove, Trinidad. Comment
  RSA202162  Rhamnus purshiana W. L. Jepson 1902-6-24 1932 Humboldt Karbal to Rugel's Ranch Comment
  RSA7813  Rhamnus purshiana Doris K. Kildale 1928-7-29 5925 Humboldt Mouth of Bear River at Capetown Comment
  HSC7882  Rhododendron macrophyllum V. G. Vieira 1963-5-4 21 Humboldt Essex Pond Comment
  RSA257015  Rhododendron macrophyllum Gary D. Wallace 1971-7-29 950 Humboldt Prairie Creek Redwoods St. Pk. along Zig Zag Trail #3 of Hwy. 101. Comment
  UC153961  Rhododendron macrophyllum Joseph P. Tracy 1906-6-10 2489 Humboldt Humboldt Bay Region, Kneeland Prairie Road Kneeland Prairie Road; Northern Coast Region, Humboldt Bay Region, Kneeland Prairie 609 Comment
  UC22126  Rhododendron macrophyllum J. Burtt Davy 1899-6-23 5762 Humboldt Trinity Summit, Mud Springs Mud Springs; North Coast Ranges, Trinity Summit, Mud Springs 1524 Comment
  CAS-BOT-BC200382  Rhododendron occidentale var. paludosum Doris K. Kildale 1926-8-22 2579 Humboldt French Camp on Orick-Martin's [Martins] Ferry road 731 Comment
  CAS-BOT-BC200383  Rhododendron occidentale var. paludosum Doris K. Kildale 1925-4-19 618 Humboldt Liscom Hill near Essex, Lower Mad River Comment
  CAS-BOT-BC200387  Rhododendron occidentale var. paludosum Harley P. Chandler 1901-6-1 1448 Humboldt Klamath River 457 Comment
  HSC35751  Rhododendron occidentale var. paludosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1995 Humboldt French Camp, Bald Hills. Comment
  HSC36437  Rhododendron occidentale var. paludosum John Rehling 1974-7-8 5 Humboldt County park at Big Lagoon Comment
  UCD116925  Rhus aromatica M. Wiesendanger 1928-4-7 931 Humboldt Near Blue Lakes. Comment
  UC902080  Ribes bracteosum Joseph P. Tracy 1948-9-5 18165 Humboldt ne Hawkin's Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC902084  Ribes bracteosum Joseph P. Tracy 1949-6-6 18299 Humboldt ne Hawkin's Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC108912  Ribes divaricatum var. pubiflorum H. E. McMinn 1922-8-5 345 Humboldt Along Van Duzen River. Comment
  HSC103215  Ribes divaricatum var. pubiflorum Jade Paget-Seekins 2010-4-16 9 Humboldt Hwy 36. Van Duzen County Park. Along the road on the west side of the park. 95 Comment
  RSA152409  Ribes inerme Joseph P. Tracy 1941-3-26 16813 Humboldt Lack Pond: in Trinity River Valley, opposite mouth of Willow Creek. 152 Comment
  UC492206  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC11588  Ribes lobbii Harley P. Chandler June 1901 1278 Humboldt Hupa Indian Reservation North Coast Ranges 1097 Comment
  CAS-BOT-BC206042  Ribes menziesii A. A. Heller 1924-7-24 s.n. Humboldt Near Humboldt County camp on the redwood highway 7 miles south of Trinidad Comment
  CAS-BOT-BC206043  Ribes menziesii Doris K. Kildale 1926-4-4 1724 Humboldt Trinidad Comment
  UC534986  Ribes menziesii Harold E. Parks April 1933 4402 Humboldt vicinity Trinidad (type locality); McNeils Creek Comment
Read comments
Jun 26 2012
  UC492211  Ribes nevadense Joseph P. Tracy 1932-7-18 10716 Humboldt head Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC70757  Ribes roezlii R. York 1980-5-17 526 Humboldt Near Le Perron Peak 792 Comment
  HSC45099  Ribes roezlii var. amictum R. Sutherland 1978-4-23 15 .23478 Humboldt 716 Comment
  RSA167292  Ribes roezlii var. amictum Joseph P. Tracy 1950-6-18 18850 Humboldt Wilder Ridge Comment
  HSC103222  Ribes roezlii var. cruentum Jade Paget-Seekins 2010-3-18 5 Humboldt Redwood Valley (off 299) Bair Road /Hoopa Road. 609 Comment
  HSC20279  Ribes roezlii var. cruentum B. R. Templeton 1962-5-24 Humboldt 18 mi. W of Willow Creek, N of Hwy. 299 Comment
  CAS-BOT-BC212519  Ribes sanguineum Alice Eastwood 1907-4-21 14 Humboldt Trinidad Comment
  UC902091  Ribes sanguineum Joseph P. Tracy 1948-9-5 18178 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 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
  UC902085  Ribes sanguineum var. glutinosum Joseph P. Tracy 1949-8-11 18450 Humboldt Hungry Hollow Bald Mountain 762 Comment
  RSA0020901  Ribes viscosissimum Jos. Burtt Davy 1899-6-23 5848 Humboldt Trinity Summit. 2134 Comment
  HSC99134  Rigiopappus leptocladus Cara Witte 2008-7-2 794 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  CAS-BOT-BC362906  Rigiopappus leptocladus Volney Rattan 1883-6-1 s.n. Humboldt Unspecified Comment
  HSC73175  Romanzoffia californica M. A. Baker 1980-5-17 1250 Humboldt Near Le Perron Peak 1066 Comment
  HSC32315  Rorippa curvisiliqua D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5657 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC198651  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, along Eel River 60 Comment
  CAS-BOT-BC146475  Rosa gymnocarpa Doris K. Kildale 1925-8-16 1142 Humboldt Trinity Summit Trail between Horse Linto Creek & [Tish-tang-i-tang] Tish Tang a Tang 1371 Comment
  CAS-BOT-BC146488  Rosa gymnocarpa L. R. Abrams 1918-6-15 7116 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  HSC19627  Rosa gymnocarpa R. E. Thill 1965-5-1 23 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC70507  Rosa gymnocarpa Gail Newton 1980-7-20 1647 Humboldt Near Bell Swamps 1426 Comment
  HSC99305  Rosa gymnocarpa C. B. Wolf 1927-8-30 1232 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC902159  Rosa gymnocarpa Joseph P. Tracy 1949-8-7 18437 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC98692  Rosa gymnocarpa var. serpentina Cara Witte 2008-6-15 751 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  UC1199037  Rosa gymnocarpa var. serpentina Joseph P. Tracy 1939-8-16 16404 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC146845  Rosa nutkana Doris Kildale Gillespie 1931-6-7 10644 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC148342  Rosa pisocarpa Joseph P. Tracy 1947-7-5 17813 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  CAS-BOT-BC148343  Rosa pisocarpa Joseph P. Tracy 1947-8-24 17890 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  CAS-BOT-BC148347  Rosa pisocarpa Doris K. Kildale 1928-6-24 5238 Humboldt Redwood Creek at Berry's 289 Comment
  HSC99308  Rosa rubiginosa C. B. Wolf 1927-8-30 1251 Humboldt 3 mi. S of Thorn along old coast road Comment
  JEPS47289  Rubus discolor W. L. Jepson 1934-5-7 16715 Humboldt flat over Bull Creek; Flat over Bull Creek Comment
  UC667049  Rubus discolor Joseph P. Tracy 1933-8-22 12979 Humboldt Eureka 6 Comment
  CAS-BOT-BC148384  Rubus leucodermis Doris K. Kildale 1927-7-3 3662 Humboldt Willow Creek Flat 152 Comment
  HSC58235  Rubus leucodermis Walter Overton 1979-8-1 12392 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC22040  Rubus parviflorus B. D. Rogers, D. E. Anderson 1965-5-1 514 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  UC1536908  Rubus parviflorus Gordon H. True Jr. 1936-5-12 473 Humboldt 5 mi s Kneeland; s of Kneeland 457 Comment
  UC666863  Rubus parviflorus Joseph P. Tracy 1937-5-17 15299 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, at Willow Creek 152 Comment
  SEINET8254189  Rubus parviflorus Doris K. Gillespie 1938-8-6 15397 Humboldt Eureka. Comment
  HSC19676  Rubus spectabilis Lincoln Constance 1934-6-2 780 Humboldt Bull Creek Rd. to mouth of Bull Creek, top Bull Creek Comment
  HSC19690  Rubus spectabilis K. P. St. John 1965-4-3 8 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  UC14181  Rubus spectabilis W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  HSC19693  Rubus ursinus N. D. Dennis 1965-5-5 53 Humboldt 1 mi. N of Trinidad on Hwy. 101 Comment
  HSC63031  Rubus ursinus J. P. Smith, J. O. Sawyer 1973-5-12 6704 Humboldt 10.4 mi. from Redwood Creek on Hoopa Rd. Comment
  UC492169  Rubus ursinus Joseph P. Tracy 1931-4-26 9339 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley at Willow Cr 152 Comment
  HSC98908  Rubus ursinus subsp. macropetalus Cara Witte 2007-6-1 172 Humboldt Near intersection of National Forest 1 and Forest Service Road 5N10. 1441 Comment
  HSC56448  Rudbeckia klamathensis Griswold, Butler 1979-7-12 7201 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1223049  Rudbeckia occidentalis Joseph P. Tracy 1947-8-24 17886 Humboldt meadow at Box Camp; Trinity Summit 1463 Comment
  HSC55016  Rumex acetosella Overton, Butler 1979-7-31 11408 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC55036  Rumex acetosella Gilbert Muth 1979-7-31 11488 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  HSC76221  Rumex acetosella Overton, Butler 1979-7-24 9767 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  RSA256728  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills road. 549 Comment
  HSC73636  Rumex californicus M. A. Baker 1980-7-22 3128 Humboldt Near Grogan Hole. 1676 Comment
  HSC17592  Rumex crispus R. J. Vernimen 1963-3-25 18 Humboldt Along railroad tracks at Clam Beach lagoons Comment
  UC183585  Rumex obtusifolius Joseph P. Tracy 1913-6-1 4077 Humboldt Eureka Northern Coast Region 0 Comment
  UC55520  Rumex obtusifolius Joseph Burtt Davy 1899-7-30 6169 B Humboldt near Ferndale Comment
  SEINET11946618  Rumex obtusifolius C. S. Kaut 2000-1 6 Humboldt Trinidad Comment
  UC1735899  Rumex occidentalis Dean W. Taylor 1991-9-15 12292 Humboldt Big Lagoon, along Highway 101 near the mouth of Tom Creek. 3 Comment
  UC55522  Rumex pulcher Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6111 Humboldt near Ferndale Comment
  UC672921  Rumex salicifolius var. transitorius Joseph P. Tracy 1936-6-3 14855 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCD101474  Rumex transitorius Malcolm A. Nobs; S. Galen Smith 1958-8-9 1237 Humboldt Southern end of town of Blue Lake on Mad River. Comment
  RSA91333  Rupertia physodes F. W. Peirson 1941-7-27 13095 Humboldt Elk Valley Forestry Camp. Comment
  UCD149937  Ruppia maritima William Anderson; H. Mc. 1964-8-6 s.n. Humboldt Stone Lagoon. Comment
  HSC9564  Rytidosperma penicillatum True Hoyle 1967-6-24 26167 Humboldt 20 mi. S of Arcata near Little Salmon Creek on the Marvin Stapp Ranch 46 Comment
  HSC9566  Rytidosperma penicillatum J. P. Tracy 1942-6-28 17267 Humboldt Bald Mountain, at Hungry Hollow 610 Comment
  UCD92348  Rytidosperma penicillatum A. H. Murphy 1947-6-1 s.n. Humboldt Parrott's Ranch, Table Bluff, ca. 1.5 miles north of Loleta. Comment
  POM318824  Salicornia Patricia Wilder 1968-8-21 4416 Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  HSC93476  Salicornia depressa Gordon Leppig 1998-8-6 995 Humboldt Arcata Marsh and Wildlife Sanctuary; Humboldt Bay side of Klopp Lake dike 2 Comment
  BLMAR310  Salicornia pacifica Jennifer Anthony-Wheeler 2002-7-1 310 Humboldt South Spit, canibal island quad 6 Comment
  UC55430  Salicornia virginica J. P. Tracy 1901-8-7 1255 Humboldt Samoa Humboldt Bay 0 Comment
  CAS-BOT-BC103809  Salix exigua Joseph P. Tracy 1932-4-17 9798 Humboldt Eel River, Alton to Fortuna 15 Comment
  JEPS14753  Salix exigua Joseph P. Tracy 1932-6-14 10151 Humboldt at Willow Creek Trinity River Valley; Northern Coast Region 152 Comment
  JEPS14785  Salix exigua Joseph P. Tracy 1933-5-19 12203 Humboldt Alton to Fortuna (Eel River); Northern Coast Region, Eel River 15 Comment
  UC469443  Salix exigua var. hindsiana Joseph P. Tracy 1931-9-7 9642 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469444  Salix exigua var. hindsiana Joseph P. Tracy 1931-9-7 9640 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC481299  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 968 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  CAS-BOT-BC104096  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0975 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC107748  Salix hookeriana Harold E. Parks 1931-5-12 956 Humboldt Samoa, Humboldt Bay Comment
  HSC38179  Salix hookeriana Thomas W. Nelson 1976-11-5 3296 Humboldt Along Wabash Ave. between F & G St., Eureka Comment
  HSC41657  Salix hookeriana Thomas W. Nelson 1977-11-3 3759 Humboldt Beside Martin's Slough just upstream from Eureka Muni Golf Course Comment
  POM161065  Salix hookeriana Joseph P. Tracy 1925-4-5 6952 Humboldt Near Laren Frost place on Kneeland Road. near Kneeland Prairie. 610 Comment
  UC1173586  Salix hookeriana Joseph P. Tracy 1936-8-17 15159 Humboldt Mad R. at mouth of Lindsey Creek; Mad R., Lindsey Creek 15 Comment
  UC146207  Salix hookeriana J. P. Tracy 1905-4 2392 /2168 Humboldt Immediate vicinity of Eureka 0 Comment
  UC212999  Salix hookeriana Joseph P. Tracy 1920-2-29 5309 Humboldt Ryans Slough Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC470431  Salix hookeriana Joseph P. Tracy 1927-9-25 8382 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  UC490476  Salix hookeriana H. E. Parks and Joseph P. Tracy 1932-8-13 10344 Humboldt vicinity Trinidad; Northern Coast Region 60 Comment
  UC506402  Salix hookeriana Joseph P. Tracy 1933-4-9 10969 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC512078  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1226 Humboldt 1 mi n Samoa (pine barrens near coast, r.r right-of-way) Comment
  CDA39525  Salix hookeriana Patty Adams Jun 1985 s.n. Humboldt Dry Lagoon State Park. 0 Comment
  JEPS14791  Salix jepsonii Joseph P. Tracy 1933-7-16 12773 Humboldt meadow at McKay Camp S. Fork Mt.; Northern Coast Ranges 1676 Comment
  UC481814  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 270 Humboldt between Miranda and Meyers (Sylvandale); S. Fork Eel R., Sylvandale Comment
  UC481815  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 270 Humboldt between Miranda and Meyers (S. Fork Eel R., Sylvandale Station); S. Fork Eel R., Sylvandale Comment
  UC490519  Salix laevigata Joseph P. Tracy 1932-5-1 9879 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  UC519390  Salix laevigata Joseph P. Tracy 1933-10-15 13095 Humboldt near Miranda (S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  LA208815  Salix lasiandra Harold E. Parks; 1931-3-24 911 Humboldt Fortuna, on banks of Eel River 10.0 Comment
  LA208818  Salix lasiandra Harold E. Parks; Joseph P. Tracy 1931-5-17 966 Humboldt mouth of Willow Creek at Trinity River 150.0 Comment
  UC490539  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-7-13 10497 Humboldt meadow at Corral Prairie Corral Prairie; Klamath Mts., Trinity Summit 1524 Comment
  CAS-BOT-BC125217  Salix lasiandra var. lasiandra W. J. Ferlatte 1967-6-13 1122 Humboldt North bank of Mad River 1/4 mi. east of hwy. 101 6 Comment
  CAS-BOT-BC107592  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1329 Humboldt In dry ravines on west slope of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  CAS-BOT-BC107593  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1324 Humboldt In dry ravines on west slope of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  CAS-BOT-BC107597  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11007 Humboldt On Van Duzen River, two miles west of Bridgeville 228 Comment
  CAS-BOT-BC107605  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-17 1329 Humboldt On west slpe of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  HSC20017  Salix lasiolepis J. P. Tracy 1933-4-9 10968 Humboldt Bridgeville, along Van Duzen River 229 Comment
  HSC98013  Salix lasiolepis Cara Witte 2007-7-20 566 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1460 Comment
  JEPS12930  Salix lasiolepis Joseph P. Tracy 1931-5-31 9327 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  POM161046  Salix lasiolepis Joseph P. Tracy 1926-9-19 7801 Humboldt Valley of S Yager Creek 762 Comment
  POM161056  Salix lasiolepis Joseph P. Tracy 1926-9-19 7804 Humboldt Valley of S Yager Creek 762 Comment
  UC1225920  Salix lasiolepis Joseph P. Tracy 1946-7-21 17620 Humboldt Blue Slide, on Van Duzen River 91 Comment
  UC469412  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469432  Salix lasiolepis Joseph P. Tracy 1931-10-3 9701 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC519327  Salix lasiolepis Joseph P. Tracy 1933-5-14 12178 Humboldt mouth of Willow Creek Trinity River Valley 152 Comment
  SBBG57817  Salix lucida subsp. lasiandra H. E. and S. T. Parks 1932-5-12 1150 Humboldt near bridge at mouth of Maple Crk, Big Lagoon Comment
  HSC20037  Salix melanopsis J. P. Tracy, H. E. Parks 1931-3-26 909 Humboldt Van Duzen River Comment
  JEPS14755  Salix melanopsis Joseph P. Tracy, C. R. Ball, and H. E. Parks 1932-5-17 10095 Humboldt Trinity River near Willow Creek; North Coast Ranges 152 Comment
  SBBG57957  Salix melanopsis H. E. Parks 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC1173616  Salix melanopsis Joseph P. Tracy 1937-8-3 15611 Humboldt near Blue Lake (along Mad R.); Mad R. 15 Comment
  UC1196564  Salix melanopsis Joseph P. Tracy 1931-5-3 9347 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC469445  Salix melanopsis Joseph P. Tracy 1931-10-3 9706 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC469448  Salix melanopsis Joseph P. Tracy 1931-5-3 9346 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC469460  Salix melanopsis Joseph P. Tracy 1931-10-18 9740 Humboldt on Eel R. Camp Grant; Northern Coast Ranges, Eel R., Camp Grant 60 Comment
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC511989  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1245 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC519376  Salix melanopsis Joseph P. Tracy 1933-6-11 12552 Humboldt S. Fork Eel R. near Miranda; Northern Coast Ranges, S. Fork Eel R. 60 Comment
  UC906708  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1942-5-16 11554 Humboldt vicinity of Garberville Garberville 152 Comment
  POM92416  Salix melanopsis L. R. Abrams 1922-6-25 8227 Humboldt 6 miles N of Garberville Comment
  CAS-BOT-BC129159  Salix scouleriana Joseph P. Tracy 1937-3-21 15237 Humboldt Van Duzen River, near Grizzly Creek 91 Comment
  CAS-BOT-BC129174  Salix scouleriana W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula near R.R. Comment
  HSC102104  Salix scouleriana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1007 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  SBBG57987  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  UC1173627  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt vicinity of Carlotta 30 Comment
  UC1196697  Salix scouleriana Joseph P. Tracy 1923-1-7 6135 Humboldt near Ferndale Ferndale; Northern Coast Ranges 15 Comment
  UCR143480  Salix scouleriana H. E. Parks 1931-5-12 0951 Humboldt North Coast, Bishop Pine Lodge, Trinidad 150 Comment
  POM219690  Salix sessilifolia H. E. Parks 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  HSC90385  Salix sitchensis Jean Hanson 1980-4-12 50 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  HSC90388  Salix sitchensis Jean Hanson 1980-3-8 7 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC1196713  Salix sitchensis Joseph P. Tracy 1940-2-25 16521 Humboldt vicinity of Carlotta Carlotta 30 Comment
  UC1196715  Salix sitchensis Joseph P. Tracy 1926-2-21 7363 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC1196722  Salix sitchensis Joseph P. Tracy 1923-1-21 6138 Humboldt along Van Duzen R. Carlotta; Northern Coast Ranges, Van Duzen R. 30 Comment
  UC173584  Salix sitchensis Joseph P. Tracy 1935-7-24 14187 Humboldt Trinity Summit near Ranger Station; Trinity Summit 1828 Comment
  UC469468  Salix sitchensis Joseph P. Tracy 1931-11-8 9748 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481214  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC481215  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC490490  Salix sitchensis Joseph P. Tracy 1932-8-27 10745 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490493  Salix sitchensis Joseph P. Tracy 1932-8-27 10749 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  JEPS26115  Sambucus mexicana Peter H. Raven with R. Snow 1958-7-20 13643 Humboldt on Titlow Hill Rd 1.1 mi s junction of Friday Ridge Road (near Grouse Ridge) Comment
  CAS-BOT-BC238660  Sambucus nigra subsp. caerulea Henry M. Pollard 1947-9-1 s.n. Humboldt Somes Peak, nera Orleans 1371 Comment
  HSC31462  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-28 99 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC58080  Sambucus racemosa var. racemosa G. L. Clifton, Griswold 1979-8-1 11984 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC90384  Sambucus racemosa var. racemosa Jean Hanson 1980-4-12 43 Humboldt Humboldt Bay, Eureka, Indian (Gunther) Island, on NW edge of dike, W end of the island. Comment
  UC1225815  Sambucus racemosa var. racemosa Joseph P. Tracy 1941-3-9 16803 Humboldt near junction of South fork and main Eel River (along river); Camp Grant 60 Comment
  HSC21618  Sanicula arctopoides F. B. Plett 1963-3-9 6 Humboldt 1 1/2 mi. N of Trinidad along old Hwy. 101 Comment
  HSC21615  Sanicula arctopoides R. T. Forester 1963-3-13 22 Humboldt 1/2 mi. N of Fairhaven on Samoa Rd. Comment
  JEPS184  Sanicula arctopoides Joseph P. Tracy 1936-5-30 14838 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC21635  Sanicula crassicaulis D. V. Sanford 1963-4-23 42 Humboldt Comment
  HSC81923  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1979-7-3 4963 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek roads. 610 Comment
  HSC21634  Sanicula crassicaulis V. G. Vieira 1963-5-18 28 Humboldt Lamphere's Comment
  UC1197092  Sanicula graveolens Joseph P. Tracy 1935-7-14 14069 Humboldt Grouse Mountain 1524 Comment
  UC642273  Sanicula graveolens Joseph P. Tracy 1932-7-12 10465 Humboldt Trinity Summit, Head of Brett Hole Brett Hole; Trinity Summit, Brett Hole 1828 Comment
  BLMAR197  Sanicula laciniata Donald Hazlett 1994-6-7 197 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  JEPS992  Sanicula laciniata Joseph P. Tracy 1938-3-27 15701 Humboldt Miranda, along South Fork of Eel River South Fork Eel River; Miranda, South Fork Eel River 121 Comment
  UC154130  Sanicula laciniata J. P. Tracy 1903-5-23 1897 Humboldt at Alder Point Alder Point 243 Comment
  CHSC88615  Sanicula tracyi Linnea Hanson 1993-7-21 346 Humboldt Six Rivers National Forest. Mad River Rock Road. Comment
  HSC99063  Sanicula tuberosa C. Witte 2007-5-8 2 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC1124524  Satureja douglasii H. L. Person 1932-7-16 Humboldt highway n Trinidad; Rock Point Quad. Comment
  JEPS42981  Saxifraga ferruginea Jos. P. Tracy 1932-7-18 10710 Humboldt head of Brett Hole (Trinity Summit); , Brett Hole Comment
  CAS-BOT-BC441185  Saxifraga mertensiana Duart V. Brown 1947-3-25 7 Humboldt Bull Creek near Highway on Hoopa Valley Indian Reservation Comment
  UC492226  Saxifraga oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Trinity Summit, at Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  HSC7441  Schoenoplectus americanus C. B. Wolf 1927-8-22 795 Humboldt Big Lagoon Comment
  HSC90687  Schoenoplectus americanus Gail Newton 1982-5-31 3562 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC7443  Schoenoplectus americanus D. E. Anderson 1961-9-9 1792 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  CHSC84708  Schoenoplectus pungens L. P. Janeway 2003-7-27 7932 Humboldt North Coast. East shore of Big Lagoon, on north side of mouth of Tom Creek. 2 Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 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
  HSC99417  Scirpus microcarpus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 66 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
  UC1152056  Scirpus microcarpus Joseph P. Tracy 1950-8-7 19269 Humboldt meadow at Box Camp (Trinity Summit); , meadow at Box Camp 1463 Comment
  RSA183587  Scoliopus bigelovii R. D. Zortman 1963-3-16 13 Humboldt 5 miles northeast of Arcata; south of the Mad River, off Warren Creek Road. 91 Comment
  UC1197750  Scoliopus bigelovii Mrs. Harriet Tracy 1909-3-5 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1197794  Scoliopus bigelovii Joseph P. Tracy 1913-5-4 4060 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC175805  Scoliopus bigelovii Joseph P. Tracy 1913-3-9 4017 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC517416  Scoliopus bigelovii Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SEINET3991343  Scoliopus bigelovii Unknown 1950-4-20 18611 Humboldt One mile west of Dinsmore's; along Van Duzen river, opposite Buck Mountain 762 Comment
  UC175808  Scoliopus bigelovii Joseph P. Tracy 1913-6-20 4223 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Valley of Van Duzen R., Dinsmore's Ranch 762 Comment
  HSC21127  Scrophularia californica R. I. Bonn 1965-5-9 44 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC59743  Scrophularia californica Clark L. Miller 1979-5-9 6117 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  UC147885  Scrophularia californica J. P. Tracy 1906-5-20 2465 Humboldt immediate vicinity Eureka 0 Comment
  HSC60289  Scrophularia californica Phyllis Krieg 1979-4-21 Humboldt Above Clam Beach Lagoon, E of Hwy. 101 0 Comment
  HSC79263  Sedum laxum subsp. heckneri D. K. Imper 1983-6-28 Humboldt Six Rivers National Forest, Trinity River Canyon, 2 mi. S of Weitchpec Comment
  UC1198837  Sedum laxum subsp. heckneri Joseph P. Tracy 1933-7-25 12899 Humboldt Grouse Mountain 1524 Comment
Read comments
Aug 17 2011
  JEPS48016  Sedum obtusatum Joseph P. Tracy 1926-6-20 7647 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
Read comments
Aug 17 2011
  HSC57458  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10290 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC6478  Sedum radiatum W. K. Parks Jul 1933 Humboldt S Fork Mtn. Comment
  JEPS48059  Sedum spathulifolium Lincoln Constance 1934-6-1 767 Humboldt Bull Cr. Road between Dyerville Bridge and Bull Cr. flat grove (mouth Bull Cr.) (Mouth Bull Cr, South Fork Eel River); South Fork Eel River, Bull Creek Region 45 Comment
  LA209677  Selaginella oregana Lawrence L. Kiefer; 1963-8-6 769 Humboldt Patrick's Point State Park, Lookout Rock 45 Comment
  HSC38491  Selaginella wallacei D. E. Anderson, J. P. Smith 1971-6-18 - 1097 Humboldt Horse Mtn. Comment
  HSC98904  Selaginella wallacei Cara Witte 2008-6-7 686 Humboldt Horse Mountain Botanical Area. 1/4 mile west of intersection between National Forest 1 and Forest Service Roads 6N36, 6N38. 1426 Comment
  CDA19897  Senecio cineraria P. Haggard 2002-7-1 PDR P 070939 Humboldt Northern California; on Hwy 36 near Carlotta. 0 Comment
  HSC26637  Senecio integerrimus Thomas W. Nelson 1971-5-31 458 Humboldt 915 Comment
  CAS-BOT-BC364022  Senecio integerrimus var. major Doris K. Kildale 1928-5-19 5173 Humboldt Chalk Mountain Comment
  HSC6119  Senecio integerrimus var. major D. E. Anderson 1965-5-8 3654 Humboldt About 3.5 mi. N of Willow Creek along road running along E side of Trinity River Comment
  SEINET11803189  Senecio integerrimus var. major J. P. Tracy 1950-1 18638 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC1199491  Senecio minimus Joseph P. Tracy 1936-8-23 15161 Humboldt Carlotta Northern Coast Ranges Comment
  UC917220  Senecio minimus J. M. Tucker 1948-9-4 1863 Humboldt Becks Ranch, Hydesville Comment
  UC1223153  Senecio sylvaticus Joseph P. Tracy 1941-8-17 16992 Humboldt near High Prairie (Bald Mountain); Bald Mountain Comment
  HSC26310  Senecio vulgaris Thomas W. Nelson 1971-4-16 384 Humboldt Near Samoa coast Guard Station. Comment
  UC1199237  Senecio vulgaris Joseph P. Tracy 1918-4-21 4880 Humboldt on old Kneeland Prairie Road near Newell's Camp (around Humboldt Bay); Northern Coast Ranges, around Humboldt Bay 304 Comment
  HSC90383  Senecio vulgaris Jean Hanson 1980-4-12 48 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  CAS-BOT-BC85841  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  HSC31518  Sequoia sempervirens Steve Selva, Roger Jensen 1974-8-28 95 Humboldt Behind Humboldt State University, Arcata. Comment
  JEPS48271  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide on Van Duzen River 91 Comment
  UC212874  Setaria pumila Joseph P. Tracy 1919-9-13 5193 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UCD92873  Setaria viridis Joseph P. Tracy 1948-7-26 18078 Humboldt Trinity River Valley, at Willow Creek. Comment
  UCR39801  Sherardia arvensis L. P. Janeway 1984-5-13 775 Humboldt Along the Kneeland/Bridgeville Road c. 15 mi. east of the Kneeland post office just past Lone Star Junction and near Lone Star Creek 610 Comment
  HSC19859  Sherardia arvensis John A. Dubois 1962-5-23 25 Humboldt 20 mi. E of Arcata Comment
  CAS-BOT-BC205571  Sidalcea malachroides Joseph P. Tracy 1938-6-7 15860 Humboldt Canyon Creek, 5 miles SE of Korbel 152 Comment
  HSC93948  Sidalcea malachroides Claire Golec 1999-6-2 Humboldt HB&M, old landing off of skid road, along ridgeline above Van Duzen River 427 Comment
  JEPS67223  Sidalcea malachroides W. L. Jepson 1902-6-24 1929 Humboldt above Korbel; above Korbel, Korbel to Angel's Ranch Comment
  POM256469  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles southeast of Arcata. 610 Comment
  UC906705  Sidalcea malviflora subsp. asprella Harold E. Parks and Joseph P. Tracy 1942-7-1 11577 Humboldt Dinmore's 762 Comment
  HSC97915  Sidalcea malviflora subsp. nana Cara Witte 2007-6-14 286 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  HSC103269  Silene John McRae 2014-5-16 Humboldt Six Rivers National Forest, Hennessy Peak Quad, south of Grouse Creek on Rd. 6N20. 945 Comment
  HSC22032  Silene Richard Spjut 1971-5-8 1875 Humboldt 1 mi. up Friday Ridge Rd., 3 mi. E of Willow Creek Comment
  POM192570  Silene californica H. E. Parks 1930-05 0751 Humboldt Vicinity of Hydesville. Comment
  SEINET6905325  Silene californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland. Comment
  CAS-BOT-BC174878  Silene campanulata subsp. glandulosa Carl B. Wolf 1927-8-27 1155 Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  HSC32481  Silene campanulata subsp. glandulosa Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide. Comment
  HSC95548  Silene gallica Andrea Pickart 2002-5-20 103 Humboldt Manila Dunes, near Manila Community Services District treatment area 15 Comment
  HSC103098  Silene hookeri M. Mesler, Carol Wilson 2010-6-18 825 Humboldt Hwy 36, near mile marker 32.53 771 Comment
  CAS-BOT-BC389066  Silene laciniata subsp. californica Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC43853  Silene laciniata subsp. californica Maralyn O'Meara 1974-7-17 551 Humboldt Kneeland Comment
  SBBG21920  Silene laciniata subsp. californica D. Myrick 1964-7-26 976 Humboldt Hwy 299 ca. 15 mi E of Arcata 762 Comment
  UC1198794  Sisymbrium officinale Joseph P. Tracy 1904-7-24 2125 Humboldt immediate vicinity of Eureka 0 Comment
  RSA246759  Sisyrinchium bellum Robert F. Thorne, Percy C. Everett 1965-8-9 35302 Humboldt Big Lagoon. 3 Comment
  HSC44756  Sisyrinchium bellum Maralyn O'Meara 1972-6-8 83 Humboldt Along Bald Hills Rd. 16.4 mi. E of junction with Hwy. 101 Comment
  UC666972  Smilacina stellata Joseph P. Tracy 1933-6-13 12569 Humboldt near summit on road from Hoopa westward to Bair's; Hoopa Mountain 1066 Comment
  RSA46494  Solanum americanum Doris K. Kildale 1926-2-7 1496 Humboldt Big Lagoon. Comment
  HSC21309  Solanum americanum D. E. Anderson 1961-9-13 1824 Humboldt Comment
  RSA46495  Solanum americanum Doris K. Kildale 1925-9-26 1362 Humboldt Mouth of Mad River. Comment
  POM187917  Solidago canadensis subsp. elongata Marcus E. Jones 1931-7-12 29135 Humboldt Alton. Comment
  SD58226  Solidago canadensis subsp. elongata Joseph P. Tracy 1937-8-12 15654 Humboldt Snow Camp 1399 Comment
  UC1199323  Solidago elongata Joseph P. Tracy 1940-9-26 16735 Humboldt near Still Ranch (2 mi s of Fields Landing) 9 Comment
  UC494190  Solidago elongata H. E. and S. T. Parks 1930-9-14 785 Humboldt n shore Big Lagoon Comment
  CHSC13899  Solidago spathulata D. Joley 1967-8-17 65 Humboldt Found growing 10 mi NW of Fortuna. Comment
  HSC25959  Solidago spathulata Thomas W. Nelson 1970-11-7 288 Humboldt At the foot of Murray Rd. at McKinleyville Comment
  UC205149  Solidago velutina subsp. californica Joseph P. Tracy 1919-9-13 5189 Humboldt Valley of Trinity River near mouth Willow Creek; Northern Coast Ranges, Valley Trinity River near mouth Willo 152 Comment
  BLMAR757  Solidago velutina subsp. californica Jennifer Wheeler 2013-9-4 757 Humboldt King range, strawberry rock grazing allotment 252 Comment
  CHSC52926  Soliva sessilis L. P. Janeway; Ken Berg 1984-4-11 721 Humboldt On the North Spit of Humboldt Bay; at the turnout along Samoa Rd across from the boat ramp just north of he Coast Guard Sta. 3 Comment
  UC127601  Soliva sessilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 Humboldt Hoopa Mt. North-Western California, Hoopa Mt. Comment
  CHSC31290  Sonchus asper Mark Stopher 1980-6-4 96 Humboldt Along Elk River near Hwy 101 bridge. 1 Comment
  CAS-BOT-BC374427  Sonchus asper Joseph P. Tracy 1932-6-4 10132 Humboldt Bridgeville 198 Comment
  UCD136156  Sonchus oleraceus Linda M. Barker 1976-6-1 1546 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. 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
  RSA85195  Sparganium angustifolium subsp. emersum F. W. Peirson 1923-7-11 3642 Humboldt 20 miles north of Eureka. Comment
  BLMAR314  Sparganium emersum Jennifer Anthony-Wheeler 2002-8-9 314 Humboldt Lost Coast Headland, growing along edge of middle pond 121 Comment
  CHSC69850  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt Humboldt Bay Arcata; foot of I Street. Comment
  UC249860  Spartina densiflora Joseph P. Tracy 1924-8-4 6738 Humboldt Eureka Northern Coast Ranges (salt marsh at railroad station) 0 Comment
  UCR32178  Spartina foliosa David J. Keil 1983-7-2 17296 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard [600 G St.] Comment
  UC161002  Spergularia rubra Joseph P. Tracy 1906-6-17 2492 Humboldt Eureka Northern Coast Region (dry bed of Rick's Prairie pond) 0 Comment
  UC492192  Spiraea douglasii Joseph P. Tracy 1932-8-28 10760 Humboldt Bald Mountain Northern Coast Ranges (at Lake Prairie) 1066 Comment
  UC1196399  Spiranthes romanzoffiana Joseph P. Tracy 1949-8-11 18463 Humboldt Snow Camp 1402 Comment
  HSC100152  Spirodela punctata M. A. Ericksen 1979-5-29 308 Humboldt Northern-most of Clam Beach ponds Comment
  UC1222862  Stachys ajugoides var. rigida Joseph P. Tracy 1950-6-8 18761 Humboldt near Petrolia (w slope of hill, leading from the coast toward town, hills between town and Ocean); Domingo Hill Comment
  UCLA70844  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15931 Humboldt Fortuna 18 Comment
  UCLA70877  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-12 16054 Humboldt Table Bluff Beach, lowlands at w foot of bluff Table Bluff 6 Comment
  UCLA71115  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Little River Beach State Park Comment
  UCLA71169  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Founders Tree Humboldt State Park Comment
  UCLA71113  Stachys mexicana C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
Read comments
Aug 1 2016
  UCR122361  Stachys mexicana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6983 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
  HSC74423  Stachys rigida Gail Newton 1980-8-10 2046 Humboldt Near Blake Mtn. 1707 Comment
  HSC34274  Stachys rigida var. rigida K. Irwin 1975-8-13 Humboldt Grogans Hole area Comment
  HSC58159  Stachys rigida var. rigida G. L. Clifton, Griswold 1979-8-2 12219 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC4283  Stellaria crispa D. E. Anderson 1962-3-31 1963 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  UC161056  Stellaria media Joseph P. Tracy 1911-7-5 3313 Humboldt near mouth of Willow Creek (along Willow Creek tributary of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  HSC4271  Stellaria media S. R. Johnson 1965-3-23 17 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC4273  Stellaria media D. K. Smith 1968-1-16 2 Humboldt Bank of Crannell Rd. Comment
  HSC89487  Stellaria media P. A. Daly 1986-3-12 67 Humboldt Trinidad Head, along trail 61 Comment
  UC204696  Stephanomeria elata Joseph P. Tracy 1918-9-29 5104 Humboldt 4 mi above mouth of South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  HSC32338  Stipa lemmonii D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5643 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC40316  Stipa lemmonii Thomas W. Nelson 1976-7-9 2994 Humboldt Along ridge S of the E peak of the Lassic Peak (Signal Peak) group 1707 Comment
  HSC40578  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1976-6-22 2870 Humboldt SW facing slope on Goat Hill. 1666 Comment
  HSC68958  Stipa lemmonii Jacqueline Greenleaf 1980-7-16 251 Humboldt Near Buck Mtn. 1250 Comment
  HSC76545  Stipa lemmonii Denis Kearns 1981-7-22 316 Humboldt Near Whiteys Peak. 1487 Comment
  HSC58815  Stipa occidentalis var. californica G. L. Clifton, Griswold 1979-8-1 12055 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC162599  Streptanthus tortuosus Harley P. Chandler June 1901 1441 Humboldt Klamath River North Coast Ranges 304 Comment
  UC302043  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1926-5-15 7477 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC492252  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1932-7-12 10457 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  CHSC97958  Streptanthus tortuosus var. tortuosus Laurel Goldsmith; Wanda Naylor 2005-6-8 5 Humboldt 1.7 miles south of Hwy 299 on Titlow Hill Rd. UTM 0436141, 4525408. 980 Comment
  HSC102070  Suksdorfia ranunculifolia M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 972 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC154162  Swertia albicaulis var. nitida Harley P. Chandler Jun 1901 1383 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  BLMAR272  Symphoricarpos mollis Jennifer Anthony-Wheeler 1999-7-30 272 Humboldt Lacks Creek, growing along ridgees, slopes, open places 1219 Comment
  HSC100413  Symphoricarpos racemosus Carl C. Marshall Jun 1886 291 Humboldt Coyote Camp. Comment
  UC1199312  Symphyotrichum bracteolatum Joseph P. Tracy 1931-9-7 9635 Humboldt opposite mouth of, at Lack Pond, (in Trinity R. Valley opp. mouth of Willow Cr.) Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  HSC36040  Symphyotrichum chilense Thomas W. Nelson 1975-9-24 2199 Humboldt Beside Indianola Rd., ca. 1/2 mi. E of its junction with Hwy. 101 Comment
  HSC99571  Symphyotrichum spathulatum var. spathulatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 236 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS26263  Synthyris reniformis Joseph P. Tracy 1924-2-10 6601 Humboldt Bald Mountain at Hungry Hollow; Bald Mountain 762 Comment
  JEPS9930  Synthyris reniformis Lincoln Constance 1934-6-15 882 Humboldt South Fork Eel River (Summit of Grasshopper Peak); Bull Creek Region 975 Comment
  RSA183562  Synthyris reniformis D. E. Anderson 1965-4-24 3542 Humboldt About 0.5 mile from jct 299, along Titlow Hill Road. Comment
  CAS-BOT-BC376718  Tanacetum bipinnatum Lewis S. Rose 1972-7-5 72005 Humboldt Samoa 3 Comment
  UC1302426  Tanacetum camphoratum Philip A. Munz 1963-6-13 24524 Humboldt Samoa Comment
  UC1223071  Tanacetum parthenium Joseph P. Tracy 1946-9-10 17659 Humboldt Tracy's garden, at Eureka Northern Coast Ranges, Eureka 0 Comment
  RSA21021  Tanacetum vulgare C. B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, S side along Redwood Hwy. 6 Comment
  HSC59652  Taraxacum officinale Michael Dalke 1979-4-1 12 Humboldt 0.1 mi. E of Hwy. 101, N Bank Rd. 12 Comment
  HSC6269  Taraxacum officinale R. D. Modafferi 1965-3-14 6 Humboldt 0.6 mi. N of Trinidad on Trinity St. 305 Comment
  HSC79416  Taraxacum officinale Kenneth Clark 1980-3-1 507 Humboldt On access trail to Dead Man's Gulch 30 Comment
  UC1222750  Tauschia kelloggii Joseph P. Tracy 1950-8-18 19332 Humboldt 1/2 mi along the Blocksburg Road w from the bridge across Larrabee Creek; along Larrabee Creek Comment
  HSC98547  Taxus brevifolia Cara Witte 2008-6-7 687 Humboldt Forest Service Road 5N10. Approximately 1 mile south of intersection with Friday Ridge Road/ 6N08. 1346 Comment
  HSC56216  Tellima grandiflora G. L. Clifton, Griswold 1979-8-2 12229 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC45015  Tellima grandiflora R. Sutherland 1978-4-25 5 .25478 Humboldt Mouth of Buck Creek near ocean 18 Comment
  HSC79487  Tellima grandiflora Kenneth Clark 1980-3-23 536 Humboldt Along S Fork of Dead Man's Gulch 69 Comment
  JEPS43496  Tellima grandiflora Lincoln Constance 1934-5-26 686 Humboldt North Dyerville Flat South Fork Eel River, Bull Creek Region (near Founders' Tree) 48 Comment
  CAS-BOT-BC392287  Thalictrum fendleri Doris K. Kildale 1926-4-4 1749 Humboldt Trinidad Comment
  UC1225746  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1948-6-13 18037 Humboldt 7 mi nw Blocksburg; Larrabee Creek 304 Comment
  UCD108599  Thermopsis robusta G. F. Hrusa 1992-5-3 10423 Humboldt 9.5 road m. N of Klamath River on Cedar Camp Rd. 1219 Comment
  UCD134036  Thuja plicata Roman Gankin 1965-8-6 557 Humboldt On Matolle Road, 7.4 miles northeast of Capetown. Comment
  CAS-BOT-BC88324  Thysanocarpus curvipes John H. Thomas 1968-4-21 14363 Humboldt Near mouth of Bluff Creek about 6 miles northeast of Weithchpec near Bluff Creek Campground. 140 Comment
  JEPS49705  Tiarella trifoliata var. unifoliata W. L. Jepson 1932-7-26 16417 Humboldt Bull Creek Comment
  UC615036  Tiarella trifoliata var. unifoliata Beryl O. Schreiber 1934-6-4 1129 Humboldt Redwood Highway Stephen's Grove (Stephen's Grove) Comment
  HSC62637  Tolmiea diplomenziesii R. D. Zortman 1963-5-12 43 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UC11943  Tolmiea diplomenziesii J. Burtt Davy Jun 1899 5628 Humboldt Hoopa Mt.; North Coast Ranges Comment
  UC902213  Tonella tenella Joseph P. Tracy 1949-6-6 18307 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range 1280 Comment
  UC1541368  Tonella tenella H. E. Parks and J. P. Tracy 1930-5-25 856 Humboldt Larabee Valley 762 Comment
  UC249611  Torilis nodosa Joseph P. Tracy 1922-6-18 6092 Humboldt North Yager Creek 762 Comment
  HSC3140  Toxicodendron diversilobum R. E. Thill 1965-5-1 26 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC63227  Toxicodendron diversilobum M. A. Baker 1978-6-6 465 Humboldt Weitchpec Comment
  IRVC21927  Toxicodendron diversilobum J. W. Johnson Jul 1962 1397 Humboldt Base of the Samoa Peninsula in the Lamphere-Christensen Dunes Preserve. Comment
  JEPS63913  Toxicodendron diversilobum W. L. Jepson 1932-8-1 16469 Humboldt Bull Creek 121 Comment
  JEPS63915  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16429 Humboldt on rd. to Bull Creek Dyerville Comment
  UC275291  Toxicodendron diversilobum Joseph P. Tracy 1924-9-7 6863 Humboldt Blue Slide on Van Duzen River Northern Coast Ranges 60 Comment
  HSC56236  Trautvetteria caroliniensis Walter Overton 1979-8-1 12318 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC99471  Trautvetteria caroliniensis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 125 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS63148  Trichostema laxum Joseph P. Tracy 1926-10-15 7815 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  HSC53982  Trichostema oblongum Griswold, Butler 1979-7-11 7057 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC17934  Trientalis latifolia J. Sandborg, F. Sandborg May 1968 5 Humboldt Bluff Creek near Notice Creek, hillside 793 Comment
  HSC17942  Trientalis latifolia H. E. Parks, S. T. Parks Jun 1952 7548 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC54597  Trientalis latifolia Overton, Butler 1979-7-24 9676 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC17938  Trientalis latifolia Frances Oldridge 1946-1 Humboldt Freshwater Comment
  HSC28131  Trientalis latifolia J. D. Ackerman 1973-5-6 44 Humboldt 3 mi. N of Weott Comment
  UC160920  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1906-7-4 2535 Humboldt near Hydesville (Yager Creek); Northern Coast Ranges 60 Comment
  CHSC84526  Trifolium arvense John Dittes; Josephine Guardino 2003-6-7 2003 -65 Humboldt Klamath Range; ca. 7.7 air-mile southwest of Orleans, ca. 4.1 air-miles northeast of confluence of Trinity River and Klamath River, ca. 0.3, air-mile northwest of confluence of Klamath River and Aikens Creek. Along entrance road to Aikens Creek Campground. 106 Comment
  RSA170210  Trifolium arvense Joseph P. Tracy 1941-7-26 16970 Humboldt Eureka (G Street near 9th) Comment
  HSC71168  Trifolium bifidum Thomas W. Nelson 1977-5-30 3414 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  UC302113  Trifolium bifidum var. bifidum Joseph P. Tracy 1926-5-2 7419 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1223494  Trifolium ciliolatum Joseph P. Tracy 1942-5-16 17334 Humboldt vicinity Garberville 152 Comment
  CDA4294  Trifolium dubium G. D. Barbe, T. C. Fuller 1974-6-17 1837 Humboldt Sail Court, Shelter Cove. 0 Comment
  HSC100533  Trifolium filipes Carl C. Marshall May 1886 411 Humboldt Dobbyn's Creek. Comment
  CHSC69825  Trifolium incarnatum J. P. Smith; J. O. Sawyer, Tom Nelson 1972-4-22 Humboldt Freeway exit at Benbow. Planted by the Department of Highways. Comment
  SDSU5282  Trifolium incarnatum D. F. Howe 1969-6-3 4623 Humboldt 13 miles north of Orick on # 101. Comment
  UCSB28369  Trifolium incarnatum Phelps, M. 1972-3-22 Humboldt 20 yds. north of south Garberville Exit, Hwy. 101 213 Comment
  HSC100535  Trifolium involucratum Carl C. Marshall Jun 1885 117 Humboldt Near the bay anywhere. Comment
  HSC58641  Trifolium longipes G. L. Clifton, Griswold 1979-7-31 11637 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC98891  Trifolium longipes subsp. shastense Cara Witte 2008-7-1 779 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  UC495657  Trifolium longipes var. elmeri Joseph P. Tracy 1936-7-13 10525 Humboldt Trinity Summit Klamath Mtns, Corral Prairie 1524 Comment
  UC1223333  Trifolium longipes var. oreganum Joseph P. Tracy 1950-7-1 18945 Humboldt near Clear Lake (where the Friday Ridge comes ot the top of Grouse Mtn Ridge); Grouse Mtn summit 1219 Comment
Read comments
Apr 3 2008
  HSC71447  Trifolium microcephalum J. P. Smith, Advanced Plant Taxonomy Class 1971-10-9 5023 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC98928  Trifolium microcephalum Cara Witte 2007-6-7 229 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  UC1541572  Trifolium microcephalum Harold E. Parks May 1933 4314 Humboldt Spruce Cove Trinidad Comment
  HSC15221  Trifolium microcephalum J. P. Tracy 1926-5-2 7429 Humboldt Trinity River near the S Fork Comment
  UC1223355  Trifolium microcephalum Joseph P. Tracy 1939-4-29 16237 1/2 Humboldt mouth of Slate Creek (banks of Klamath River) Comment
  HSC15147  Trifolium microdon J. W. Johnson 1962-5-10 1332 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  HSC45144  Trifolium microdon R. Sutherland 1978-5-19 15 .19578 Humboldt 165 Comment
  HSC45145  Trifolium microdon R. Sutherland 1978-5-24 3 .24578 Humboldt Mckee Flat 287 Comment
  HSC89587  Trifolium repens M. Roantree 1985-5-24 62 Humboldt E side of Trinidad Head Comment
  HSC98062  Trifolium repens Cara Witte 2007-7-11 503 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC32427  Trifolium subterraneum Linda M. Barker 1974-5-11 175 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  UC1223542  Trifolium variegatum Joseph P. Tracy 1933-7-9 12649 Humboldt Brannan Mtn 1066 Comment
  UC1223510  Trifolium wormskioldii Joseph P. Tracy 1932-6-9 14882 Humboldt Bear River Ridge 609 Comment
  JEPS37724  Trifolium wormskioldii Joseph P. Tracy 1918-7-3 4991 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  POM277677  Trifolium wormskioldii Lyman D. Benson 1928-7-10 438 Humboldt Clam Beach, Trinidad. Hills back of the ocean. 15 Comment
  CAS-BOT-BC451804  Triglochin maritima Joseph P. Tracy 1934-7-20 13466 Humboldt Big Lagoon 3 Comment
  HSC14177  Triglochin maritima J. Mustain 1963-4-20 9 Humboldt Big Lagoon Park Comment
  UCSB25659  Triglochin maritima Keefe, Joseph 1967-7-8 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 1 Comment
  HSC97549  Triglochin striata Ivy Watson 2008-9-20 30 Humboldt N of mouth of Mad River, along small tributary E of sand dunes 4 Comment
  UC1197807  Trillium albidum Joseph P. Tracy 1933-6-13 12574 Humboldt near summit on rd. from Hoopa westward to Bair's (Hoopa Mt.); Hoopa Mt. 1066 Comment
  HSC101818  Trillium kurabayashii Kjirsten A. Wayman 2012-5-15 320 Humboldt Big Hill Road, 10.5 miles east of Hoopa, N 41.08892 W 123.56708 1368 Comment
  HSC102558  Trillium ovatum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1546 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC58083  Trillium ovatum G. L. Clifton, Griswold 1979-8-1 11987 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC15701  Trillium ovatum D. M. Thomson 1965-4-26 30 Humboldt Along Gold Bluff Rd. 1.0 mi. S of Prairie Creek State Park Comment
  HSC34647  Trillium ovatum Thomas Anthony 1975-4-7 1 Humboldt 0.5 mi. N of Myers Flat on Avenue of the Giants Comment
  HSC34878  Trillium ovatum R. M. Sullivan 1975-4-9 5 Humboldt 40 yds. S of Fern Lake, HSU, Arcata Comment
  UC951233  Triphysaria eriantha subsp. eriantha S. K. Harris 1942-6-10 1474 Humboldt Prairies Bear River Ridge Bear River Ridge; , Prairies 457 Comment
  JEPS2674 Image available Triphysaria eriantha subsp. eriantha Jos. P. Tracy 1901-5-18 2035 Humboldt Sandhills Humboldt Bay, Eureka; Eureka, Humboldt Bay Comment
Read comments
Oct 16 2007
  JEPS10422  Triphysaria eriantha subsp. rosea Joseph P. Tracy 1941-4-3 Humboldt Samoa , Samoa (Humboldt Bay) Comment
  HSC103298  Triphysaria pusilla Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3009 Humboldt Six Rivers National Forest; ~ 0.3 mi. south-southeast of Cold Spring Camp; ~ 3.3 aerial mi. south-southeast of Horse Mtn. Radio Tower. 1386 Comment
  HSC70581  Triphysaria pusilla Sue Sweet 1981-4-30 549 Humboldt Lanphere-Christensen Dunes Preserve, along trail N of weather station Comment
  HSC78970  Triphysaria pusilla L. P. Janeway 1984-5-16 787 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. N of the boat ramp 3 Comment
  CHSC1822  Triphysaria versicolor subsp. faucibarbata V. Holt 1941-5-30 Humboldt Comment
  UC162562  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1911-6-11 3237 Humboldt near Trinidad; Northern Coast Ranges, near Trinidad 60 Comment
  HSC102548  Trisetum canescens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1536 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC48993  Trisetum canescens M. Andre Baker 1979-5-23 753 Humboldt Comment
  SACT002443  Trisetum canescens Herbert Copeland 1936-6-15 Humboldt At world's biggest tree in redwood forest near Dyerville Comment
  CAS-BOT-BC193515  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek 152 Comment
  UC1197723  Triteleia bridgesii Joseph P. Tracy 1911-7-7 3413 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  JEPS560  Triteleia bridgesii Joseph P. Tracy 1929-7-4 8616 Humboldt French Camp 1066 Comment
  UC1197712  Triteleia hyacinthina Joseph P. Tracy 1932-6-26 10268 Humboldt Fort Baker Ranch 762 Comment
  UC15025  Triteleia hyacinthina J. P. Tracy 1901-6-23 1160 Humboldt wet ground near Ryan's Slough Hill; immediate vicinity of Eureka 0 Comment
  HSC38485  Triteleia laxa D. E. Anderson, J. P. Smith 1971-6-18 - 1065 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC526349  Triteleia laxa Ira L. Wiggins 1932-6-18 5876 Humboldt Mouth of Little River Comment
  HSC35868  Triteleia laxa Thomas W. Nelson, James Nelson 1975-8-5 2126 Humboldt Beside rd. to Table Bluff 1.0 mi. W of Copenhagen Rd. Comment
  RSA183022  Triteleia laxa Lee W. Lenz 1966-5-24 24657 Humboldt W of Berry Summit, US 299. Comment
  UC144101  Triteleia laxa Joseph P. Tracy 1909-7-31 3035 Humboldt Knneland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC85893  Tsuga heterophylla Joseph P. Tracy 1940-8-25 16704 Humboldt Bald Mountain 914 Comment
  RSA648962  Tsuga heterophylla David J. Keil 1983-7-2 17305 Humboldt Freeway exit from US 101 at Patrick s Point. Comment
  SJSU136  Tsuga heterophylla Emily D. Smith 1934-8-23 Humboldt Big Lagoon midway between Trinidad & Orick Comment
  CAS-BOT-BC73931  Turritis glabra Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain Trail. 1371 Comment
  UC1196281  Umbellularia californica Joseph P. Tracy 1926-12-5 7835 Humboldt Blue Slide, on Van Duzen River Van Duzen River; Northern Coast Ranges, Blue Slide, Van Duzen River 91 Comment
  CAS-BOT-BC403928  Urtica dioica subsp. gracilis L. R. Abrams; R. Bacigalupi 1922-6-25 8278 Humboldt Big Lagoon south of Orick Comment
  HSC59082  Urtica dioica subsp. gracilis Thomas Wood 1979-5-1 144 Humboldt Arcata, near house at 3799 Spear Ave., along fence. 9 Comment
  SEINET200748  Urtica dioica subsp. gracilis Joseph P. Tracy 1927-3-6 7837 Humboldt Elk River. 30 Comment
  UC30064  Vaccaria hispanica Chesnut and Drew 1888-7-20 Humboldt Pilot Creek Comment
  CHSC24741  Vaccinium ovatum G. Strang 1976-4-11 8 Humboldt 6.3 mi w of intersection of U.S. 101 and dirt road leading to Fern Canyon on west side of dirt road. 45 Comment
  HSC59436  Vaccinium ovatum Kenneth Clark 1979-3-31 19 Humboldt 0.1 mi. E of end of Granite Ave, Arcata 30 Comment
  HSC7917  Vaccinium ovatum D. E. Anderson 1961-9-23 1832 Humboldt 2.3 mi. S of Kneeland corner Comment
  RSA2925  Vaccinium ovatum C. B. Wolf 1931-8-29 1240 Humboldt Near summit of Orick Hill on road to Weitchpec. 305 Comment
  SBBG21991  Vaccinium ovatum R. F. Thorne 1957-9-2 18997 Humboldt Burlington State Park, just S of Weott Comment
  UC412665  Vaccinium ovatum Harley P. Chandler May 1901 1167 Humboldt Eureka North Coast Ranges 30 Comment
  CDA38877  Vaccinium ovatum Gordon Leppig 1998-6-26 854 Humboldt McKinleyville, Rte 101 at Mad River Overlook. Comment
  CAS-BOT-BC199405  Vaccinium parvifolium Doris K. Kildale; J. W. Gillespie 1929-6-25 8393 Humboldt Pines Pasture, Eureka Comment
  OBI35857  Vaccinium parvifolium David J. Keil 1983-7-2 17329 Humboldt Horse Mtn summit SW of Willow Crk. Comment
  UC1197780  Vaccinium parvifolium Joseph P. Tracy 1931-4-26 9341 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  HSC102134  Valeriana sitchensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1038 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  SEINET12335251  Valeriana sitchensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -313 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC31137  Vancouveria hexandra J. O. Sawyer 1970-6-24 2266 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  HSC59740  Vancouveria hexandra Clark L. Miller 1979-5-15 2133 Humboldt Jolly Giant Creek behind HSU dorms Comment
  HSC76279  Vancouveria planipetala Teresa Prendusi 1981-7-7 123 Humboldt Near Slate Creek Butte. 1158 Comment
  UC535767  Vancouveria planipetala Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove 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
  HSC21176  Verbascum blattaria David Adams 1960-8-20 Humboldt Whitlow (Sequoia) 60 Comment
  UC168982  Verbascum blattaria Harley P. Chandler 1901-6-10 1422 Humboldt Klamath River Nature's Rest; North Coast Ranges, , Nature's Rest 304 Comment
  HSC21190  Veronica americana C. B. Wolf 1927-8-22 774 Humboldt Big Lagoon Comment
  HSC23729  Veronica americana Tim Baroni 1971-7-6 128 Humboldt 15 mi. S of Ferndale on Mattole Rd. Comment
  UC902233  Veronica arvensis Joseph P. Tracy 1942-5-16 17345 Humboldt Garberville 152 Comment
  UC147891  Veronica peregrina subsp. xalapensis J. P. Tracy 1910-5-22 3136 Humboldt immediate vicinity of Eurika 0 Comment
  UC147900  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1907-6-10 2565 Humboldt immediate vicinity of Eureka 0 Comment
  CHSC68556  Vicia hirsuta Vernon H. Oswald 1997-4-29 8352 Humboldt Humboldt Bay NWR, Hookton Slough Trail on the levee along the south side of Hookton Slough. 0 Comment
  HSC38483  Vicia sativa subsp. nigra D. E. Anderson, J. P. Smith 1971-6-18 - 1063 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  HSC15279  Vicia sativa subsp. sativa J. L. Baker 1965-4-2 25 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  RSA168917  Vicia tetrasperma Joseph P. Tracy 1948-8-7 18083 Humboldt Fickle Hill, 6 miles Southeast of Arcata. 610 Comment
  HSC89689  Vicia villosa subsp. varia Robin Bencie, James Jones, Rich Dwerlkotte 1989-4-28 15 Humboldt Along Hwy. 299, near Korbel, 7.5 mi. E of Hwy. 101 122 Comment
  CAS-BOT-BC263939  Viola adunca Alice Eastwood 1907-4-21 31 Humboldt Trinidad Comment
  CAS-BOT-BC263940  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC96079  Viola adunca Andrew Byers, Stuart E. Richardson, III 2005-6-10 8 Humboldt 7.4 mi. S of Hwy. 299 on NF1; Coldspring Camp 1357 Comment
  UC176962  Viola adunca Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3586 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC302051  Viola cuneata Joseph P. Tracy 1926-6-20 7615 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC48412  Viola glabella Brad Klipfel 1973-6-10 84 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1761601  Viola glabella H. E. Parks 1924-8-9 2447 Humboldt Carlotta Comment
  JEPS50362  Viola glabella W. L. Jepson 1932-7-24 16376 Humboldt Camp Grant; Eel River, Camp Grant Comment
  UC1761424  Viola glabella Milo S. Baker 1926-7-14 60 Humboldt S. Fork Mt., Forest Road 4 1/2 mi N of hwy Comment
  HSC44426  Viola hallii Brad Klipfel 1975-5-30 646 Humboldt Horse Mtn. Comment
  HSC34874  Viola ocellata Thomas W. Nelson, James Nelson 1975-5-5 1779 Humboldt Beside Hwy. 101, ~ 4 mi. S of the Salmon Creek Bridge Comment
  UC1537666  Viola ocellata Gordon H. True Jr. 1936-5-11 460 Humboldt 12 mi w of Miranda (e slope of Elk Ridge); Elk Ridge 457 Comment
  CHSC68506  Viola odorata Vernon H. Oswald 1997-4-10 8329 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  UC668246  Viola praemorsa subsp. linguifolia Joseph P. Tracy 1936-6-17 14950 Humboldt nw slope of Buck Mountain 762 Comment
  HSC21853  Viola sempervirens John A. Dubois 1962-4-28 2 Humboldt 20 mi. E of Arcata Comment
  UC164816  Viola sempervirens Joseph P. Tracy 1901-1-1 978 Humboldt immediate vicintiy of Eureka 0 Comment
  UC1762512  Viola sheltonii Milo S. Baker 11510 Humboldt South Fork Mountains Comment
  UCD16884  Vitis californica H. Olmo 1934-9-30 s.n. Humboldt California. Humboldt County: on highway near Blue Lake. Comment
Read comments
Jun 14 2012
  HSC9834  Vulpia bromoides W. F. Nickel 1965-3-17 Humboldt HSU campus, behind wildlife building Comment
  HSC9836  Vulpia bromoides J. A. Waller 1965-5-16 47 Humboldt Open field near Big Lagoon. Comment
  UCD93869  Vulpia microstachys var. ciliata Joseph P. Tracy 1936-7-5 15038 Humboldt Grouse Mountain. Comment
  UCD94427  Vulpia myuros Collector unknown 1923-7-12 26 Humboldt Briceland. Comment
  CAS-BOT-BC184731  Vulpia myuros subsp. megalura Joseph P. Tracy 1933-6-13 12598 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's 1066 Comment
  HSC20440  Whipplea modesta S. S. Stutz 1963-3-24 8 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  HSC81925  Whipplea modesta Thomas W. Nelson, Jane P. Nelson 1979-7-3 4954 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS32069  Wyethia angustifolia Joseph P. Tracy 1936-6-17 14947 Humboldt nw slope Buck Mountain 762 Comment
  UC1223303  Wyethia angustifolia Joseph P. Tracy 1942-6-23 17222 Humboldt open place on ridge top 1 mi w Mud Springs (in serpentine formation); Trinity Summit 1158 Comment
  SBBG36549  Wyethia angustifolia H. and M. Dearing 1939-6-23 3695 Humboldt 20 mi E of Arcata Comment
  UC1223305  Wyethia angustifolia Joseph P. Tracy 1950-6-8 18739 Humboldt s slope near Capetown; Bear River Ridge 30 Comment
  HSC93595  Wyethia longicaulis Gordon Leppig 1998-6-1 872 Humboldt Horse Mtn. Buck Flat, Titlow Hill Rd., at Ammon Ridge Rd. 1524 Comment
  UC1173649  Xerophyllum tenax Joseph P. Tracy 1937-8-15 15665 Humboldt French Camp 1066 Comment
  CDA866  Zostera japonica Gordon Leppig 2002-7-8 1782 Humboldt Indian Island, SW shore, mid-intertidal zone, +1.2 MLW. 0 Comment
  HSC49625  Zostera marina R. York 1979-4-22 248 Humboldt Along bluffs just N of College Cove Comment



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