Search Results — 2000 specimen records retrieved (1353 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

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

Mapping Options:

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

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA54126  Abies concolor Henry M. Pollard 1944-09 s.n. Humboldt Near Orleans. Comment
Read comments
Oct 1 2019
  UC502913  Abies concolor Joseph P. Tracy 1927-6-12 8144 Humboldt Horse Mountain 1524 Comment
  HSC13030  Abies grandis D. Santana, C. Kline Oct 1970 3 Humboldt HSC Campus Comment
  SBBG56413  Abies grandis L. Rowntree 1931-7-23 Humboldt near Bear River Comment
  UC502902  Abies grandis Joseph P. Tracy 1932-6-26 10261 Humboldt Valley of South Yager Creek Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  HSC55022  Abies procera Overton, Butler 1979-7-31 11431 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  SBBG69878  Abronia latifolia S. W. Hutchinson -Jun-1925 712 Humboldt Orick 7 Comment
  HSC16139  Abronia umbellata var. breviflora R. C. Hoover 1965-5-18 53 Humboldt Clam beach. Comment
  CDA40632  Acaena novae-zelandiae E. C. Whitney 1966-7-28 s.n. Humboldt Mather prop., Simpson Lumber Co., Fieldbrook. 0 Comment
  CAS-BOT-BC330548  Acer circinatum H. E. McMinn 1922-8-5 355 Humboldt Near Van Duzen River Comment
  RSA386075  Acer circinatum H. E. McMinn 1931-6-28 2549 Humboldt Orick to Requa Comment
  CAS-BOT-BC330606  Acer glabrum var. glabrum Carl B. Wolf 1937-9-13 9336 Humboldt North Coast Range, Clear Lake between Horse Mt. & Grouse Mt. 1524 Comment
  RSA46728  Acer glabrum var. torreyi Doris K. Kildale 1938-1 15372 Humboldt Hoopa trip. Comment
  CAS-BOT-BC331585  Acer macrophyllum Doris K. Kildale 1927-4-17 3090 Humboldt Briceland Bridge, 0.5 mile W of Garterville 114 Comment
  HSC12932  Acer macrophyllum C. E. Fellows 1970-11-9 351 Humboldt HSC Campus, S side Bio Greenhouse Comment
  HSC98356  Acer macrophyllum T. Jimerson, J. Pageau 1979-7-31 706 Humboldt Near Whiting Ridge. Close to town of Hyampom 1204 Comment
  HSC102172  Achillea millefolium M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1084 Humboldt Patterson Meadows 1566 Comment
  HSC58329  Achillea millefolium Overton, Butler 1979-8-2 12629 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC36212  Achillea millefolium John Rehling 1975-9-26 108 Humboldt Near Alliance Rd. Comment
  JEPS36906  Achillea millefolium W. L. Jepson 1902-6 1968 Humboldt Redwood Creek; Ukiah, Hupa Indian Reservation Comment
  UC1126254  Achlys californica A. E. Wieslander 1928-6-14 23 Humboldt Cedar Camp Klamath Forest, Hoopa Quad., Cedar Camp Comment
  CAS-BOT-BC400021  Achlys triphylla W. R. Dudley 1899-6-18 s.n. Humboldt Near grade descending to Eel River Comment
  RSA183594  Achlys triphylla D. E. Anderson 1963-5-1 2201 a Humboldt 1 mile west of Hoopa Comment
  CAS-BOT-BC210655  Achnatherum lemmonii Joseph P. Tracy 1930-7-10 8866 Humboldt Brannan Mountain 1219 Comment
  UC1103142  Achnatherum lemmonii Joseph P. Tracy 1921-5-30 5486 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC526753  Achnatherum lemmonii Joseph P. Tracy 1930-7-10 8866 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC60151  Achnatherum lemmonii J. Burtt Davy 1899-6-8 5348 Humboldt Bell Springs North Coast Ranges, Bell Springs Comment
  UCD50519  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt Halfway between Snow Camp and Twin Lakes (at Preston's old gate near road). Humboldt County. Comment
  UC1222924  Achyrachaena mollis Joseph P. Tracy 1950-6-15 18811 Humboldt n 7 mi at Jenk's Ranch Harris; Mail Ridge Comment
  UC180175  Achyrachaena mollis Joseph P. Tracy 1914-5-14 4454 Humboldt Fort Seward; Northen Coast Ranges Comment
  UCD103923  Acmispon americanus var. americanus Tofsrud 1948-9-1 s.n. Humboldt Road between Horse Mt. and Grouse Mt. 1371 Comment
  HSC71163  Acmispon micranthus Thomas W. Nelson 1977-5-30 3409 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  SD53240  Acmispon parviflorus Darley F. Howe 1962-5-22 3307 Humboldt 0.7 miles east of Orick on Bald Mountain Road 395 Comment
  CAS-BOT-BC391412  Aconitum columbianum subsp. columbianum Carl B. Wolf 1937-8-13 9249 Humboldt North Coast Range, 11 mi. E. of Hoopa Valley on New Road towards Trinity Summit 1524 Comment
  SEINET12094122  Actaea rubra F. H. Utech 1988-1 88 -268 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Van Duzen County Park, Pamplin Grove 50 Comment
  HSC35607  Adenocaulon bicolor Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2019 Humboldt Just E of Redwood National Park along Bald Hills Rd. Comment
  RSA418957  Adenocaulon bicolor Lyman Benson 1927-7-11 226 Humboldt Weott Ranger Station, Seaward N Coast Mts. 61 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
  HSC952  Adiantum aleuticum C. B. Wolf 1927-8-28 1170 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  CAS-BOT-BC62292  Adiantum aleuticum L. B. Kildale 1930-6-1 9745 Humboldt Klamath River at Weitchpec Comment
  HSC955  Adiantum aleuticum J. Wendell Howe 1930-9-9 Humboldt 3 mi. SW of Fieldbrook Comment
  RSA15575  Adiantum aleuticum C. B. Wolf 1927-8-28 1170 Humboldt On grade 9 miles from Willow Creek, Lord Ellis Road to Blue Lake Comment
  POM182456  Adiantum jordanii Joseph P. Tracy 1914-5-14 4427 Humboldt Hook Stream banks 122 Comment
  HSC100385  Adiantum pedatum Carl C. Marshall Jun 1885 111 Humboldt Damp woods. Comment
  RSA0009548  Aesculus californica Marcus E. Jones 1931-7-12 28938 Humboldt Alton. Comment
  SEINET12232136  Aesculus californica J. P. Tracy 1950-1 18847 Humboldt Petrolia Comment
  HSC54499  Agastache urticifolia G. L. Clifton, Griswold 1979-7-26 9358 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  POM289975  Agoseris apargioides var. maritima Lyman Benson 1929-7-15 s.n. Humboldt Clam Beach, Trinidad Comment
  UC166820  Agoseris apargioides var. maritima J. P. Tracy 1901-8-7 1259 Humboldt sand hills at Samoa, opposite Eureka Ocean Beach, Eureka Comment
  UCD128594  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt north end of town, Garberville. Comment
  UC1199116  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1930-7-27 8899 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC1199117  Agoseris grandiflora var. grandiflora J. P. Tracy 1901-7-7 1215 Humboldt immediate vicinity of, on Eureka Streets Eureka 0 Comment
  UC1222928  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-15 19047 Humboldt 1 mi n Willow Creek; Trinity River Comment
  UC1222929  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19227 Humboldt 1 mi n, road crosses sides of the Friday Ridge Friday's Camp; Grouse Mountain Comment
  UC1222931  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19233 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  HSC98543  Agoseris heterophylla Cara Witte 2008-6-7 684 Humboldt Along National Forest 1. Approximately 4 miles south of intersection National Forest 1 and 5N04. 1441 Comment
  UC582745  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 D Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  UC1199478  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1925-5-30 7019 E Humboldt Bridgeville; Northern Coast Ranges 228 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
  UC450000  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 Humboldt Bear River Ridge; Northern Coast Ranges 304 Comment
  POM126129  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6283 Humboldt Bear Ridge Ridge 305 Comment
  CAS-BOT-BC127324  Agrostis exarata Joseph P. Tracy 1904-7-10 2119 Humboldt Northern Coast Region. Eureka. 60 Comment
  UC184873  Agrostis exarata Joseph P. Tracy 1912-7-31 3892 Humboldt Burr Valley, on nw slope of Buck Mountain, stream bank Northern Coast Ranges, Burr Valley, Buck Mountain 1066 Comment
  UC191415  Agrostis exarata Joseph P. Tracy 1902-7-4 1757 Humboldt Eureka Northern Coast Region 0 Comment
  UC526891  Agrostis exarata Joseph P. Tracy 1932-6-14 10145 Humboldt mountainside w mouth of South Fork of Trinity River; North Coast Ranges 609 Comment
  UCSC000094  Agrostis exarata Ken Kellman 1969-12-31 s.n. Humboldt Eureka Comment
  SEINET10509880  Agrostis gigantea Joseph P. Tracy 1902-7-4 Tracy 1758 Humboldt Spreading by stolons. Immediate vicinity of Eureka. 0 Comment
  HSC64757  Agrostis hallii Bruce Gordon 1978-8-4 121 Humboldt Redwood National Park, about 0.15 mi. NW of junction of Bald Hills Rd. and K & K Rd., in Lyon's Prairie. 774 Comment
  UC33755  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6175 Humboldt near Ferndale Comment
  UCD52561  Agrostis hallii P. B. Kennedy 1923-8-2 s.n. Humboldt Bluff Creek to Arcata. Comment
  UCD52682  Agrostis hallii P. B. Kennedy 1928-6-14 s.n. Humboldt Stoddard Store, near Garberville. Comment
  CAS-BOT-BC138875  Agrostis microphylla A. A. Heller 1923-7-8 13772 Humboldt Near Fortuna. Comment
  UC552752  Agrostis oregonensis Joseph P. Tracy 1934-7-18 13452 Humboldt in wet meadow North Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC139062  Agrostis pallens W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula. Comment
  UC1100232  Agrostis stolonifera Malcolm A. Nobs and S. Galen Smith 1949-8-3 1168 Humboldt 1 mi s Fields Landing; Eel River Valley Comment
  UC53501  Agrostis stolonifera Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6203 Humboldt Russ Ranch Comment
  HSC104460  Aira caryophyllea Jeff Barrett 2009-4-1 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  RSA183535  Aira caryophyllea G. Bos 1965-5-15 256 Humboldt 8 miles west of Berry Summit along U.S. 299. 762 Comment
  SACT000238  Aira caryophyllea H. Stinnett 1963-5-11 Humboldt coastal strand Comment
  SEINET195007  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt Humboldt Camp 10 miles south of Dyerville Comment
  CAS-BOT-BC138197  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Northern Coast Ranges. Eureka. 60 Comment
  HSC40342  Aira praecox Linda M. Barker 1976-4-30 1411 Humboldt 3 mi. W of Arcata Comment
  CHSC32836  Allium amplectens Lora L. Anderson 1981-4-25 16 Humboldt Ca. 1.5 mi ne Redwood Creek, 4.5 mi n of 299w 18 mi ne of Arcata. 228 Comment
  SEINET12045750  Allium amplectens C. C. Harris, Harris, S. K. 1936-1 645 Humboldt at point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River 710 Comment
  UC666927  Allium campanulatum Joseph P. Tracy 1933-7-25 12863 Humboldt Grouse Mountain 1524 Comment
  HSC81793  Allium falcifolium Thomas W. Nelson, James Nelson 1980-6-10 5400 Humboldt Along Swayback Ridge 4-wheel drive road, 1.25 mi. S of junction with Forest Service road. 1494 Comment
  HSC98539  Allium falcifolium Cara Witte 2008-6-9 697 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  JEPS81076  Allium hoffmanii Thomas W. Nelson and Jane P. Nelson 1980-6-27 5951 Humboldt saddle between two peak e Mount Lassic (non-numbered section e of Sec. 36); Six Rivers National Forest, Blocksburg Quad. 1767 Comment
  RSA293086  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5955 Humboldt Signal Peak south of Mount Lassic. 1524 Comment
  CDA43227  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy 101 ca. 1.0 miles west of Orick. 0 Comment
  UC176168  Allium unifolium Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3607 Humboldt near Hydesville; Northern Coast Region 30 Comment
  CAS-BOT-BC476628  Allium unifolium D E Breedlove 1961-7-3 642 Humboldt In dense grove of Sequoia sempervirens, along Eel River. 7.4 miles north of Phillipsville 243 Comment
  UC666892  Allium validum Joseph P. Tracy 1934-7-18 13456 Humboldt swamp near top of mountain; Grouse Mountain 1630 Comment
  UC199038  Allophyllum gilioides subsp. violaceum Chesnut and Drew 1888-7-23 Humboldt <Hy-Am-Pum> Comment
  CAS-BOT-BC453428  Allotropa virgata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek, near Orleans Comment
  HSC58223  Alnus incana subsp. tenuifolia Walter Overton 1979-8-1 12366 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  JEPS58643  Alnus incana subsp. tenuifolia W. L. Jepson 1902-7-17 2058 Humboldt Trinity Summit 2133 Comment
  JEPS58618  Alnus rhombifolia W. L. Jepson 1902-7-29 2123 Humboldt Supply Creek Hupa Valley 243 Comment
  UC503085  Alnus rhombifolia Joseph P. Tracy 1931-10-11 9717 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC503097  Alnus rhombifolia Joseph P. Tracy 1930-8-3 9143 Humboldt Dinsmore's Ranch Northern Coast Ranges, Van Duzen River (on river opposite Buck Mt.) 670 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
  SEINET201015  Alnus rubra J. P. Tracy 1930-11-16 9255 Humboldt Alton along Van Duzen River 30 Comment
  UC503100  Alnus viridis subsp. sinuata Joseph P. Tracy Jul 16 1930-Jul 19 1930 9080 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1103310  Alopecurus aequalis Joseph P. Tracy 1932-8-21 10360 Humboldt Three Cabins North Coast Ranges, w. foothills Chaparral Mt., Three Cabins 457 Comment
  UC1145046  Alopecurus aequalis Joseph P. Tracy 1950-7-6 19019 Humboldt 3 mi. s. Burr Valley (Buck Mt., high meadow w. side,); Buck Mt. 1158 Comment
  UC184154  Alopecurus aequalis Joseph P. Tracy 1912-7-31 3904 Humboldt n.w. slope Buck Mt.; Northern Coast Ranges, Burr Valley, Buck Mt. 1066 Comment
  UC1145047  Alopecurus geniculatus Joseph P. Tracy 1938-7-15 16063 Humboldt mouth of Elk R. near Eureka 6 Comment
  UC187284  Alopecurus geniculatus Joseph P. Tracy 1911-6-25 3249 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay, Bucksport 0 Comment
  HSC8902  Alopecurus pratensis J. P. Tracy 1942-6-2 17096 Humboldt Alton. 30 Comment
  SEINET11855057  Ambrosia artemisiifolia J. P. Tracy 1950-1 19313 Humboldt Frank Graham's place. Trinity River Valley, at Willow Creek 152 Comment
  HSC2176  Ambrosia chamissonis H. E. Parks Aug 1941 24181 Humboldt Big Lagoon Comment
  CAS-BOT-BC142884  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1927-7-17 3756 Humboldt Bug Creek 792 Comment
  CDA1717  Ammophila arenaria T. C. Fuller 1961-9-28 7062 Humboldt 0.2 miles south of Samoa. 0 Comment
  UC1191079  Amsinckia eastwoodiae H. E. Parks March, 1933 4283 Humboldt Spruce Cove Trinidad Comment
  UC525582  Amsinckia intermedia Joseph P. Tracy 1932-5-17 10097 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  HSC17827  Anagallis arvensis Frances Oldridge 1946-1 Humboldt College Hill Comment
  SDSU906  Anagallis arvensis Leslie Hickson 1990-4-15 15 IV90G Humboldt From Oak St., east pf Apple Valley Lane ca. 200 ft. on right side of road under two apple trees. Eureka, Ca. Comment
  CAS-BOT-BC45140  Anaphalis margaritacea M. S. Taylor 1975-4-12 466 Humboldt Ca. 200 yards W of Hwy 101, by RR tracks, Orick Comment
  HSC27042  Anaphalis margaritacea Brad Klipfel 1973-8-25 286 Humboldt Near Lazy L Ranch, Fickle Hill Rd. Comment
  HSC4629  Anaphalis margaritacea Paul Shields 1955-9-22 Humboldt 12 miles NW of Arcata Comment
  HSC56099  Anemone deltoidea G. L. Clifton 1979-7-31 11817 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1196190  Anemone oregana Joseph P. Tracy 1901-4-26 1042 Humboldt n slope Humboldt Hill (near Buhne's Ranch, region about Humboldt Bay); North Coast Ranges 0 Comment
  UC160912  Anemone oregana Joseph P. Tracy 1909-4-4 2949 Humboldt s foot of Humboldt Hill (near Buhne's Ranch, region about Humboldt Bay); North Coast Ranges 0 Comment
  JEPS14169  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  UC1197384  Angelica genuflexa Joseph P. Tracy 1937-7-17 15442 Humboldt 2 mi s of Fields Landing (near Still Ranch); Northern Coast Region 6 Comment
  SEINET12117363  Angelica hendersonii J. P. Tracy 1950-1 19352 Humboldt Bear River Ridge 610 Comment
  CAS-BOT-BC211058  Angelica lucida W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  UCD127119  Angelica lucida Joseph DiTomaso 1980-6-8 1575 Humboldt next to Hwy 101 between Arcata and Eureka. 1 mile south of Indianola Road. 1158 Comment
  JEPS14219  Angelica tomentosa Joseph P. Tracy 1938-9-5 16145 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC1537061  Anisocarpus madioides Gordon H. True Jr. 1936-5-11 465 Humboldt 12 mi w Miranda (e slope Elk Ridge); Elk Ridge 365 Comment
  UC205188  Antennaria media Joseph P. Tracy 1919-9-24 5293 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  UC582730  Antennaria media Joseph P. Tracy 1935-7-24 14202 Humboldt (near Ranger Station) Trinity Summit 1828 Comment
Read comments
Aug 4 2007
  HSC96072  Antennaria suffrutescens J. McIntire, S. Lyon 2005-6-24 15 Humboldt Forest Service Rd. 6N36, 3/4 mile N of junction with Forest Service Rd. NF1; Radio Tower Comment
  CAS-BOT-BC137779  Anthoxanthum aristatum K. L. Chambers 1984-6-16 5150 Humboldt Bald Hills Road, 7.0 miles past Lady Bird Johnson Grove, Redwood National Park, east of Orick. Comment
  CAS-BOT-BC289123  Anthoxanthum occidentale Richard R. Halse 1996-3-26 5020 Humboldt At junction of Bald Hills Road adn Holter Ridge Bike Route, 11 miles SE of U.S. Hwy. 101, Redwood National Park 708 Comment
  SEINET271527  Anthoxanthum occidentale Bassett Maguire, Ruth Maguire; CB Maguire 1934-6-8 15071 Humboldt Bolling Grove State Park ; unspecified Comment
  HSC10095  Anthoxanthum occidentale D. W. C. Humboldt Mattole Area Comment
  BLMAR50  Anthoxanthum odoratum Brad Barr June, 1982 50 Humboldt King range, ridgetop of Johnny Jack ridge Comment
  RSA286350  Anthoxanthum odoratum R. F. Thorne 1974-7-29 45071 Humboldt Samoa Dunes: between Humboldt Bay and Pacific Ocean. Comment
  UC905596  Anthoxanthum odoratum David D. Keck 1948-7-2 6010 Humboldt 1.5 mi. E. of Freshwater (Garfield), on Kneeland road Comment
  UCD56165  Anthoxanthum odoratum A. H. Murphy 1948-5-3 s.n. Humboldt 1.5 mile north of Loleta, Table Bluff, H. Perrott's Ranch. Comment
  UCD56238  Anthoxanthum odoratum Malcolm A. Nobs; S. Galen Smith 1949-8-3 1208 Humboldt ca. 2 miles north of Eureka, Humboldt Bay. Comment
  RSA43833  Antirrhinum vexillocalyculatum subsp. breweri H. M. Pollard 1947-8-28 s.n. Humboldt NE Perch Creek, Oreleans region. Comment
  SD51267  Apocynum androsaemifolium Darley F. Howe 1961-8-2 3117 Humboldt 23.5 miles east of Orick on Bald Mountain Road 915 Comment
  HSC102583  Aquilegia formosa M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1570 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  RSA46787  Aquilegia formosa Doris Kildale Gillespie 1937-8-12 15265 Humboldt South Fork Mountain. Comment
  HSC56137  Aquilegia formosa var. truncata G. L. Clifton, Griswold 1979-8-1 11957 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC40232  Arabidopsis thaliana J. P. Smith, J. O. Sawyer 1976-5-2 8626 Humboldt 3.96 mi. N of junction with Hwy. 299 on Hwy. 96 Comment
  HSC57443  Arabis glabra G. L. Clifton, Griswold 1979-7-26 10246 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC58213  Arabis glabra Walter Overton 1979-8-1 12342 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC6523  Arabis glabra D. E. Anderson 1962-5-10 2206 Humboldt Lanphere Ranch. Comment
  RSA0126368  Arabis glabra Joseph P. Tracy 1946-7-7 17610 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC594249  Arabis glabra S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3418 Humboldt nw slopes Buck Mountain 822 Comment
  HSC75478  Arabis sparsiflora var. subvillosa J. O. Sawyer 1980-7-18 3625 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC72985  Aralia californica M. A. Baker 1980-5-17 1191 Humboldt Near Le Perron Peak 792 Comment
  OBI33241  Aralia californica David J. Keil 1983-7-1 17260 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  SD64214  Arbutus menziesii W. Bertsch 1953-7-29 203 Humboldt 395 Comment
  HSC100473  Arbutus menziesii Carl C. Marshall Jun 1887 430 Humboldt Throughout Humboldt County. Comment
  JEPS44153  Arctium minus Milo S. Baker 1923-8-25 444 Humboldt 41 mi s, along highway in Redwood grove Alton; North Coast Comment
  CAS-BOT-BC25211  Arctostaphylos canescens subsp. canescens J. P. Tracy 1927-5-15 8058 Humboldt Hoopa Mountain. On road W from Hoopa Valley Comment
  HSC98926  Arctostaphylos canescens subsp. canescens Cara Witte 2008-9-27 1045 Humboldt Titlow Hill. 1 mile north of turn off to Cold Spring. 1469 Comment
  CAS-BOT-BC23756  Arctostaphylos columbiana Alice Eastwood 1907-4-21 12 Humboldt Trinidad Comment
  CAS-BOT-BC23762  Arctostaphylos columbiana H. E. Parks 1931-12-1 4950 Humboldt Hobson's, Trinidad 60 Comment
  CAS-BOT-BC23783  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13152 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23786  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13134 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23788  Arctostaphylos columbiana A. A. Heller 1937-6-12 15918 Humboldt Along the road paralelling the ocean at Bishop Pine Lodge, 3 miles north of Trinidad. Comment
  HSC7618  Arctostaphylos columbiana J. Pursell 1964-10-11 10114 Humboldt Big Lagoon Park, 1 mi. N of Big Lagoon school, approx. 200 yds. W of the road Comment
  JEPS19869  Arctostaphylos columbiana Joseph P. Tracy 1923-3-31 6168 Humboldt around Humboldt Bay; Northern Coast Region, Table Bluff 60 Comment
  RSA622698  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27681 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC585918  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13152 Humboldt French Camp Ridge 1066 Comment
  UC585920  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC876392  Arctostaphylos columbiana J. E. Adams 1935-5-12 1047 Humboldt Patrick's Point Comment
  UCD50673  Arctostaphylos columbiana D. Sanchez-Mata 1997-9-20 s.n. Humboldt Hoopa; Big Hill Lookout Road. 1230 Comment
  UCD50687  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1171 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. 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
  CAS-BOT-BC23735  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of the Van Duzen River. Comment
  SEINET11989095  Arctostaphylos columbiana R. Gankin, Hildreth, W. R. 1967-1 1166 Humboldt 20 road mi E of Hwy 101 on Bald Hills Rd (from Orick) Comment
  RSA1899  Arctostaphylos columbiana var. columbiana C. B. Wolf 1930-10-29 1784 Humboldt Old Coast Rd. 7 mi S of Honeydew Post Office. 305 Comment
  JEPS38928  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1937-4-3 15246 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1225895  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1942-7-18 17285 Humboldt Garberville 152 Comment
  UC249507  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1922-4-30 6043 Humboldt mts. slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, Gopher Camp <Langdons place> 762 Comment
  SEINET2031084 Image available Arctostaphylos media Joseph P. Tracy 1923-1 6171 Humboldt Around Humboldt Bay; Table Bluff 61 Comment
  HSC31439  Arctostaphylos nevadensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5557 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC38516  Arctostaphylos nevadensis D. E. Anderson, J. P. Smith 1971-6-18 1085 Humboldt Horse Mtn. Comment
  HSC71585  Arctostaphylos nevadensis Gail Newton 1980-6-16 186 Humboldt Near Onion Mtn. 1280 Comment
  UC1173710  Arctostaphylos nevadensis Joseph P. Tracy 1939-8-16 16405 Humboldt Horse Mountain 1432 Comment
  UC585954  Arctostaphylos nevadensis Joseph P. Tracy 1935-7-30 14370 Humboldt Salmon Summit 1950 Comment
  UCR32076  Arctostaphylos nevadensis David J. Keil 1983-7-2 17331 Humboldt Horse Mountain Summit SW of Willow Creek 1509 Comment
  CAS-BOT-BC40029  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1934-3-11 13154 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC40066  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1179 Humboldt French Camp Ridge21.4 miles east of US 101 on Bald Hills Road (from Orick) Comment
  CAS-BOT-BC40071  Arctostaphylos nevadensis subsp. knightii Doris K. Kildale 1926-8-22 2587 Humboldt On road between Orick & Martin's Ferry. Comment
  HSC63208  Arctostaphylos patula M. A. Baker 1979-6-6 1010 Humboldt .6 k W of FS Rd. 15N01 on FS Rd. 12N16, towards Bald Mtn. Comment
  JEPS38838  Arctostaphylos patula W. L. Jepson Jul 16 1902-Jul 17 1902 2062 Humboldt trail to Devil's Backbone Trinity Summit 1981 Comment
  UC21843  Arctostaphylos patula J. Burtt Davy 1899-6-22 5784 Humboldt Trinity summit North Coast Ranges 2133 Comment
  UC585899  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8135 Humboldt Horse Mountain 1432 Comment
  UC1225931  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17498 Humboldt 1 block s Harris (at L St.); Eureka 45 Comment
  UC153963  Arctostaphylos uva-ursi Joseph P. Tracy 1901-4-26 1061 Humboldt Humboldt Hill Northern Coast Region, region about Humboldt Bay 0 Comment
  UC484044  Arctostaphylos uva-ursi Carl B. Wolf 1930-10-28 1779 Humboldt Samoa Humboldt Bay 15 Comment
  SEINET11989105  Arctostaphylos uva-ursi R. Gankin, Hildreth, W. R. 1967-1 1146 Humboldt 1.7 mi S of Samoa, on Humboldt Peninsula Comment
  UC1717199  Arctotheca calendula G. Douglas Barbe, T. C. Fuller 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  OBI75994  Aristida oligantha Joseph P. Tracy 1938-8-14 16110 Humboldt Trinity River Valley, at Willow Crk 152 Comment
  RSA86727  Aristida oligantha Joseph P. Tracy 1933-8-27 13000 Humboldt Robertsons Ranch, vicinity of Garberville. 305 Comment
  HSC79385  Armeria maritima subsp. californica Kenneth Clark 1981-5-24 1391 Humboldt Abalone Pt. 15 Comment
  UCD98448  Armeria maritima subsp. californica Linda M. Barker 1976-6-1 1553 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC31214  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  CAS-BOT-BC82428  Arnica discoidea Harley P. Chandler 1901-6-1 1400 Humboldt Klamath River 243 Comment
  HSC64162  Arnica discoidea J. O. Sawyer, K. A. Sawyer 1979-6-24 3406 Humboldt Slopes alongside Aikens Creek. 366 Comment
  CAS-BOT-BC82426  Arnica discoidea Joseph P. Tracy 1923-6-20 6335 Humboldt Briceland 304 Comment
  HSC4695  Arnica discoidea Lincoln Constance 1934-7-19 910 Humboldt Near the summit of Grasshopper Mtn.; south of Bull Creek Flat, south fork of the Eel River 915 Comment
  UC582489  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt near Corral Prairie ((Trinity Summit)); Trinity Summit 1524 Comment
  SEINET11837693  Arnica latifolia J. P. Tracy 1942-1 17236 Humboldt Trinity Summit, near Box Camp 1524 Comment
  HSC58599  Arnica parryi G. L. Clifton, Griswold 1979-7-25 10764 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1103325  Arrhenatherum elatius Joseph P. Tracy 1927-9-25 8369 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC93859  Artemisia dracunculus Doris K. Kildale 1926-8-8 2473 Humboldt Dyerville Bidge, river bar 45 Comment
  HSC46965  Artemisia pycnocephala J. P. Smith, Thomas W. Nelson 1977-6-30 9216 Humboldt Samoa Peninsula just E of the drag strip. Comment
  UCSB9161  Artemisia pycnocephala Parks, H.; Parks, S. 1952-06 Humboldt Samoa Comment
  POM264517  Artemisia pycnocephala H. E. Parks 1941-08 24186 Humboldt Little River State Park Comment
  CAS-BOT-BC400541  Asarum caudatum Harley P. Chandler 1901-5-1 1267 Humboldt North Coast Ranges. Redwood Belt 457 Comment
  SEINET3369095 Image available Asarum caudatum Richard R. Halse 2011-3-25 8163 Humboldt Along U.Sl. Hwy 101 ca 2.8 miles S of Stafford, near Exit 674. 74 Comment
  CAS-BOT-BC400532  Asarum caudatum L. R. Abrams 1922-6-25 8259 Humboldt North of the Mad River near Arcata Comment
  CAS-BOT-BC400536  Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  UCD137836  Asarum caudatum Suzanne E. May 1967-4-15 21 Humboldt on Kneeland Road, 5 miles east of Bridgeville. 243 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  HSC99398  Asarum hartwegii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 47 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-BC400744  Asarum lemmonii Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC35246  Asclepias speciosa Chesnut and Drew 1888-7-22 Humboldt Hy-Am-Pum Comment
  CAS-BOT-BC65939  Aspidotis densa Harley P. Chandler 1901-6-1 1380 Humboldt Hupa Indian Reservation 152 Comment
  RSA47130  Aster alpigenus Doris K. Kildale 1925-8-16 1195 Humboldt Trinity Summit 1829 Comment
  CAS-BOT-BC27579  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt Near Bear Buttes, 4 mi S of Miranda. Local on Foster & Pierce Ranch 762 Comment
  BLMAR295  Astragalus pycnostachyus var. pycnostachyus Jennifer Anthony-Wheeler 2002-6-25 295 Humboldt King range, South side Mattole Estuary on riverbank behind dunes 3 Comment
  UC303178  Astragalus pycnostachyus var. pycnostachyus Joseph P. Tracy 1925-7-18 7217 Humboldt 3 mi s of point Cape Mendocino (southwestern slopes, fronting the ocean); Northern Coast Ranges, s Cape Mendocino 3 Comment
  HSC76274  Asyneuma prenanthoides Denis Kearns 1981-7-23 370 Humboldt Near Whiteys Peak 732 Comment
  HSC54544  Athyrium filix-femina var. cyclosorum Overton, Butler 1979-7-23 9531 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC91598  Athyrium filix-femina var. cyclosorum E. Mackey 1986-10-2 Humboldt Patrick's Point State Park by trail to Agate Beach Comment
  HSC72972  Athysanus pusillus Gail Newton 1980-6-24 601 Humboldt Near Ladder Rock 1570 Comment
  HSC93956  Atriplex gmelinii var. gmelinii Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh 1 Comment
  HSC35625  Atriplex leucophylla Thomas W. Nelson, James Nelson 1975-8-5 2138 Humboldt Along S spit of Humboldt Bay ca. 1 mi. N of Table Bluff. Comment
  HSC9010  Avena fatua E. W. Styskel 1964-4-3 55 Humboldt 0.25 mi. S of Garberville along Sprowl Creek Rd. Comment
  SEINET200927  Avena fatua J. P. Tracy 1916-5-31 4703 Humboldt Stitz Creek. Along Eel River between SOuth Fork and Scotia 61 Comment
  UCD136023  Azolla filiculoides Malcolm A. Nobs; S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach. Comment
  CAS-BOT-BC98770  Baccharis douglasii Frank W. Peirson 1926-7-13 7061 Humboldt Mad River, vicinity of Blue Lake Comment
  CAS-BOT-BC99404  Baccharis pilularis Doris K. Kildale 1925-12-25 1441 Humboldt mouth of Eel River Comment
  UC30349  Baccharis pilularis C. C. Marshall 1888-1-1 Humboldt Arcata Comment
  CDA38657  Bellardia trixago B. Villegas/D. Juliano 2010-6-17 PDR# 1535021 -A Humboldt Alderpoint: Garberville - Alderpoint Rd. 0 Comment
  UCR123950  Bellis perennis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6993 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
  HSC5185  Bellis perennis W. F. Nickle 1965-3-13 Humboldt N Arcata near Park Plaza Apts. Comment
  CAS-BOT-BC48156  Bensoniella oregona Joseph P. Tracy 1923-6-24 6363 Humboldt Bald Mountain in cold wet meadow near high prairie 1066 Comment
  HSC53890  Bensoniella oregona Griswold, Butler 1979-7-11 6384 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  JEPS3738  Bensoniella oregona Rimo Bacigalupi and L. Constance with R. Moran, R. L. Rodriguez and Sherwin Carlquist 1951-6-14 3416 Humboldt close to the base Snow Camp Mt. (at Snow Camp, near summit of long high ridge (Bald Mt. ridge) between Mad River and Redwood Creek); nr summit Bald Mt. Snow Camp Mt, btw Mad River and Redwood C 1432 Comment
  HSC70747  Berberis aquifolium var. repens R. York 1980-5-17 536 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC75685  Berberis nervosa H. E. McMinn 1922-8-4 336 Humboldt Along Van Duzen River. Comment
  HSC38103  Berberis nervosa Thomas W. Nelson, James Nelson 1976-5-30 2624 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1174869  Berberis nervosa P. C. Everett and E. K. Balls 1959-10-25 23966 Humboldt 8.8 mi ne from Blue Lake (US Hwy 299, Arcata to Willow Creek) 274 Comment
  HSC103115  Berberis repens M. Mesler 2010-9-4 841 Humboldt Along trail E603 (Salmon Summit traihead to Red Cap Lake), about 100 m SE of Baylor Camp. 1677 Comment
  UC13491  Betula occidentalis Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  CAS-BOT-BC15801  Boechera acutina Joseph Prince Tracy 1932-7-11 10396 Humboldt Klamath Mountains. Trinity Summit. At Corral Prairie. 1524 Comment
  CAS-BOT-BC14302  Boechera platysperma Joseph Prince Tracy 1932-7-12 10458 Humboldt Klamath Mountains. Trinity Summit. Head of Brett Hole. 1828 Comment
  UC1103643  Bolboschoenus maritimus Joseph P. Tracy 1934-7-20 13471 Humboldt along shore Big Lagoon; along shore Big Lagoon 3 Comment
  HSC7509  Bolboschoenus maritimus subsp. paludosus Paul Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  HSC70782  Boschniakia strobilacea Gail Newton 1980-7-24 1768 Humboldt Near Somes Mtn. 1615 Comment
  UC585961  Boschniakia strobilacea Joseph P. Tracy 1925-6-7 7059 Humboldt Northern Coast Ranges, Willow Creek Canyon. 609 Comment
  UC1239782  Botrychium multifidum J. P. Tracy 1900-10-7 972 Humboldt immediate vicinity of Eureka (Rick's Prarie) 0 Comment
  HSC20180  Boykinia occidentalis D. E. Anderson 1965-9-5 4095 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC1198853  Boykinia occidentalis Joseph P. Tracy 1927-6-19 8191 Humboldt Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  UC1198285  Brassica nigra Joseph P. Tracy 1933-8-22 12974 Humboldt Northern Coast Ranges, Eureka. 0 Comment
  HSC98960  Brassica nigra Cara Witte 2007-7-24 573 Humboldt Ammon Ridge Road. At intersection with 5N15. 1441 Comment
  CAS-BOT-BC106295  Brickellia californica S. K. Harris; Mrs. C. M. Wilder 1938-9-8 877 Humboldt Bars on Van Duzen River, below Blue Slide Comment
  HSC25983  Brickellia californica Thomas W. Nelson 1970-9-3 232 Humboldt Mad River. Comment
  HSC38835  Briza minor R. Sutherland 1976-8-13 12 .13876 Humboldt Redwood Creek, Whittemore Grove 87 Comment
  JEPS517  Brodiaea elegans subsp. elegans Joseph P. Tracy 1936-8-2 15067 Humboldt French Camp Ridge 1066 Comment
  JEPS7733  Brodiaea elegans subsp. elegans Joseph P. Tracy 1926-6-27 7695 Humboldt Horse Mountain Pass on Trinity Highway; Northern Coast Ranges, Horse Mountain, Horse Mountain Pass 883 Comment
  CAS-BOT-BC486507  Brodiaea stellaris W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula Comment
  JEPS5498  Brodiaea stellaris Joseph P. Tracy 1925-5-30 7024 Humboldt on grassy slopes Northern Coast Ranges, McClellan Mountain 822 Comment
  BLMAR554  Brodiaea terrestris Jennifer Wheeler 2004-5-20 554 Humboldt Stornetta Ranch Comment
Read comments
Apr 21 2014
  HSC3016  Brodiaea terrestris subsp. terrestris T. M. Mingo May 1965 Humboldt 100 ft. N of parking area at College Cove Comment
  UC552687  Bromus carinatus var. carinatus Joseph P. Tracy 1935-6-23 13982 Humboldt Northern Coast Ranges, French Camp Ridge French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  CAS-BOT-BC149161  Bromus carinatus var. marginatus Joseph P. Tracy 1935-7-25 14233 Humboldt Trinity Summit. At McKay Prairie. 1584 Comment
  UCD59082  Bromus carinatus var. marginatus Joseph P. Tracy 1950-6-15 18786 Humboldt Mail Ridge. North of Harris 7 miles. 1036 Comment
  UCD59147  Bromus carinatus var. marginatus A. H. Shunk 1923-7-21 s.n. Humboldt Bridgeville. 328 Customs House. Comment
  UC1103360  Bromus commutatus Joseph P. Tracy 12621 Humboldt 2 to 5 mi e of the South Fork (along Eel River, Camp Grant); Eel River, Camp Grant 45 Comment
  HSC9279  Bromus diandrus H. S. Haskell 1966-4-23 23 Humboldt Near Samoa. Comment
  HSC9283  Bromus diandrus S. R. Johnson 1965-4-16 38 Humboldt 1.5 mi. N of Luffenholtz Beach. Comment
  CAS-BOT-BC155427  Bromus hordeaceus Doris K. Kildale 1926-5-2 1902 Humboldt Willow Creek Flat. Trinity River Valley. 152 Comment
  RSA126884  Bromus laevipes H. S. Yates 1936-6-17 5686 Humboldt 1 mile west of Bridgeville 183 Comment
  UC1103273  Bromus laevipes Joseph P. Tracy 1912-7-31 3934 Humboldt Northern Coast Ranges, summit of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  POM126124  Bromus marginatus Joseph P. Tracy 1923-6-19 s.n. Humboldt Wilder Ridge Comment
  CAS-BOT-BC162213  Bromus orcuttianus Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mountain. 1524 Comment
  SEINET200633 Image available Bromus sterilis Joseph P. Tracy 1921-5-30 5493 Humboldt Kneeland Prairie. Comment
  CAS-BOT-BC185516  Bromus vulgaris Harley P. Chandler 1901-5-1 1177 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  SEINET181181 Image available Bromus vulgaris Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-8 15067 Humboldt Bolling Grove State Park. Comment
  UC179918  Bromus vulgaris Joseph P. Tracy 1912-7-27 3884 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA43838B  Buddleja davidii H. M. Pollard 1947-8-9 s.n. Humboldt Klamath River near Harley Place, Orleans region Comment
  CAS-BOT-BC36861  Cakile edentula var. edentula Ira L. Wiggins 1930-7-7 4671 Humboldt Near Samoa. Comment
  UC1103289  Calamagrostis canadensis Joseph P. Tracy 1935-7-27 14290 Humboldt McKay Prairie Trinity Summit (along creek) 1584 Comment
  CAS-BOT-BC185317  Calamagrostis foliosa Joseph Burtt Davy 1900-5-1 6602 Humboldt Hardy Creek. Comment
  UCD57741  Calamagrostis rubescens Joseph P. Tracy 1938-7-17 16082 Humboldt Garberville. 152 Comment
  JEPS52599  Calandrinia ciliata Lincoln Constance 1934-6-19 912 Humboldt Grasshopper Peak South Fork Eel River, Bull Creek Region (near summit) 914 Comment
  UC144080  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1909-5-23 2974 Humboldt 4 mi se Eureka (at Connick Claim) 0 Comment
  CAS-BOT-BC80391  Calocedrus decurrens Doris K. Kildale 1928-10-7 6750 Humboldt Trinity River at Willow Creek Flat Comment
  CAS-BOT-BC488459  Calochortus amabilis Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC31756  Calochortus tolmiei Timothy B. Devine 1974-5-4 322 Humboldt Bank of Chezem Rd. at junction of Hwy. 299 457 Comment
  UC175806  Calochortus tolmiei Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3621 Humboldt near Hydesville (between Alton and Burnells); Northern Coast Region 30 Comment
  CAS-BOT-BC494368  Calochortus tolmiei M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  UC667122  Calochortus vestae Joseph P. Tracy 1930-6-15 8760 Humboldt Dobbyn Creek 152 Comment
  UC195348  Calochortus vestae Joseph P. Tracy 1916-6-19 4713 Humboldt Bosworth's Ranch Northern Coast Ranges, Laribee Creek 457 Comment
  UC502923  Caltha biflora Joseph P. Tracy 1932-7-17 10671 Humboldt Ridges east of Corral Prairie, Trinity Summit; Klamath Mountains. 1828 Comment
  UC195065  Calycadenia truncata Joseph P. Tracy 1916-9-5 4755 Humboldt head of Canoe Creek Northern Coast Ranges, Grasshopper Ridge 609 Comment
  CHSC24853  Calypso bulbosa A. D. Launer 1976-4-9 6 Humboldt On e hillside of Blocksburg Cemetery, ca. 30 yds s of Cemetery Rd, 200 yds w of Alderpoint Rd in Blocksburg. 464 Comment
  HSC16571  Calypso bulbosa Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC39966  Calypso bulbosa Linda M. Barker 1976-3-22 1347 Humboldt 3 mi. W of Arcata Comment
  RSA259585  Calypso bulbosa J. D. Ackerman 1976-4-27 754 Humboldt 10 Mi. E of Blue Lake on rd. to Maple Creek. Comment
  UC1222191  Calypso bulbosa Joseph P. Tracy 1950-5-7 18643 Humboldt about 5 mi n of Bridgeville (on road to South Yager Valley) Comment
  RSA119358  Calystegia occidentalis subsp. occidentalis S. S. Tillett 1956-7-6 625 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  CDA39890  Calystegia silvatica subsp. disjuncta Gordon Leppig 2001-7-1 1578 Humboldt Northern California - North Coast Region; Eureka, Waterfront Drive, just behind and 100 m north of the Humboldt County Library. 0 Comment
  LA206042  Camissoniopsis cheiranthifolia C. C. Harris; S. K. Harris 1939-8-23 sn Humboldt Samoa Comment
  SEINET10939001  Campanula prenanthoides Overton 1979-7-24 OVERTON 9585 Humboldt Near Titlow Hill, on the Willow Creek quad., close to the town of Willow Creek 1250 Comment
  SEINET10462965  Campanula prenanthoides Aven Nelson, Ruth A. Nelson 1977-7-1 Nelson 3562 Humboldt Along north slope of ridge between Bear & Blanket Creeks. T1S R5E SEC.25 1494 Comment
  SEINET10840312  Campanula prenanthoides Mcgregor 1921-8-17 MCGREGOR s.n. Humboldt Abandoned road grade, Oriels Comment
  SEINET10873257  Campanula prenanthoides Etienne 1972-9-4 Etienne s.n. Humboldt Lumber road to Klamath River, about 8 miles inland and 1 mile north of the Humboldt County line 30 Comment
  SEINET10463761  Campanula scouleri Tracy 1927-8-22 TRACY 8353 Humboldt High Prairie, on Bald Montain, in open woods. 1067 Comment
  UC1199216  Capsella bursa-pastoris Joseph P. Tracy 1940-10-15 16757 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC37424  Cardamine californica Doris K. Kildale 1927-1-23 2974 Humboldt Van Duzen River at the Blue Shale. Comment
  CAS-BOT-BC37435  Cardamine californica Lincoln Constance; Reed Clark Rollins 1942-5-20 2998 Humboldt Eel River, 1 mile north of Pepperwood. 45 Comment
  HSC91613  Cardamine californica E. Mackey 1987-3-1 Humboldt Patrick's Point State Park, by trail to Palmer's Point beach Comment
  JEPS53369  Cardamine californica W. L. Jepson 1934-5-7 16693 Humboldt Bull Creek Comment
  UCD114499  Cardamine californica Parks; Tracy 1931-3-26 0916 Humboldt lower Van Duzen River. 60 Comment
  JEPS53368  Cardamine californica var. integrifolia Joseph P. Tracy 1918-4-21 4878 Humboldt road to Kneeland Prairie (around Humboldt Bay); Northern Coast Ranges, Humboldt Bay 152 Comment
  UC1199198  Cardamine nuttallii Joseph P. Tracy 1935-7-28 14320 Humboldt head Devil's Hole; Trinity Summit, head of Devil's Hole 1828 Comment
  CAS-BOT-BC37892  Cardamine oligosperma Doris K. Kildale 1927-3-24 2950 Humboldt Fleener Creek. Comment
  CHSC55892  Cardionema ramosissimum L. P. Janeway 1987-7-31 2546 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  POM232317  Cardionema ramosissimum I. L. Wiggins 1930-7-11 4687 -a Humboldt Near Samoa Comment
  CHSC107135  Carex abrupta R. E. Brainerd 2009-7-23 1568 Humboldt North Coast Range, South Fork Mountain; 19.6 miles west-northwest of Hayfork. UTM Zone 10 453477E 4494945N. 1661 Comment
  UC562652  Carex abrupta Joseph P. Tracy 1932-7-14 10546 Humboldt Corral Prairie Trinity Summit 1584 Comment
  SEINET10585514  Carex arcta Joseph P. Tracy 1934-7-13 Tracy 13389 Humboldt Dow's Prairie. In sedge swamp with C. exsicata. 61 Comment
  JEPS79834  Carex barbarae Joseph P. Tracy 1932-6-14 10152 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  RSA246879  Carex bolanderi Robert F. Thorne, Percy C. Everett 1965-8-5 35136 a Humboldt Mt. Chamisal: below summit. 747 Comment
  POM247168  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt 2 miles SW of top, Salmon Summit. 1768 Comment
  CAS-BOT-BC19614  Carex brainerdii Joseph Prince Tracy 1937-7-24 15525 Humboldt Trinity Summit. Head of Devil's Hole. 1767 Comment
  JEPS79839  Carex densa Joseph P. Tracy 1936-6-3 14847 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
Read comments
Nov 1 2009
  UC1103109  Carex deweyana subsp. leptopoda Joseph P. Tracy 1936-6-21 14992 Humboldt Iaqua North Coast Ranges 609 Comment
  UC562432  Carex deweyana subsp. leptopoda Joseph P. Tracy 1935-6-8 13937 Humboldt Eureka 60 Comment
  UC750613  Carex deweyana subsp. leptopoda Henry M. Pollard 1945-9-1 Humboldt Camp Creek Klamath River Canyon Comment
  SDSU11699  Carex deweyana subsp. leptopoda W. A. Bemis 1964-5-4 274 Humboldt Freshwater Forest, Freshwater. (SE1/4, SE1/4, Sec. 28, T6N, R1E, HBM. 98 Comment
  UC1103104  Carex deweyana subsp. leptopoda Joseph P. Tracy 1920-5-18 5325 Humboldt 5 mi above Dyerville (South Fork); Eel River 152 Comment
  SEINET10823148  Carex echinata Pykala 1987-6-11 PYKALA 1611 Humboldt North Trinity Mountain Wilderness, W of Crogan Hole, Abies concolor-forest, open springy mountainmeadow by a little stream, surrounded by Alnus-thickets. 1554 Comment
  CDA33060  Carex echinata subsp. phyllomanica Gordon Leppig 1997-6-19 445 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  UC1152062  Carex feta Joseph P. Tracy 1950-8-7 19267 Humboldt meadow at Box Camp Trinity Summit 1463 Comment
  SEINET4292220 Image available Carex fracta Unknown 2003-1 7942 Humboldt On northeast side of Titlow Hill Road, across from a small pond, on the map but un-named, 1.1 km south of Cold Spring. Grouse Mountain quad. Comment
  CAS-BOT-BC20841  Carex geyeri Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  HSC33152  Carex geyeri Thomas W. Nelson, J. Cole, Brad Klipfel 1974-5-8 1249 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  CAS-BOT-BC20875  Carex globosa Joseph Prince Tracy 1932-4-23 9832 Humboldt North Coast Ranges. Englewood. 91 Comment
  CAS-BOT-BC28420  Carex gracilior Joseph Prince Tracy 1938-6-9 15878 Humboldt Dobbyn Creek 152 Comment
  HSC76807  Carex harfordii L. P. Janeway 1982-6-17 10 Humboldt 305 Comment
  UC562720  Carex hassei Joseph P. Tracy 1927-6-17 8170 Humboldt Big Lagoon Northern Coast Region 6 Comment
  JEPS75426  Carex hendersonii W. L. Jepson 1932-8-2 16474 Humboldt Deer-foot Flat Dyerville, Bull Creek, Deer-foot Flat 88 Comment
  RSA362584  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  UC562728  Carex hendersonii Joseph P. Tracy 1927-5-30 8080 Humboldt near Myers; North Coast Ranges, South Fork of Eel River 91 Comment
  CHSC85984  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. 1454 Comment
  HSC7139  Carex leptalea B. D. Rogers 1965-10-2 1021 Humboldt Big Lagoon 0 Comment
  RSA22169  Carex leptopoda Joseph P. Tracy 1937-6-20 15353 Humboldt Bear river, ten miles up stream from the mouth 152 Comment
  HSC48371  Carex leptopoda D. H. Norris May 1970 12464 Humboldt Gold-Bluff Beach, Prairie Creek Redwoods State Park Comment
  UC1115806  Carex luzulina var. luzulina Joseph P. Tracy 1937-7-9 16341 Humboldt Snow Camp 1402 Comment
  UC1152083  Carex luzulina var. luzulina Joseph P. Tracy 1951-6-14 19410 Humboldt Snow Camp Comment
  JEPS116608  Carex mariposana Barbara Wilson, Richard Brainerd, Susan Erwin, Christine Jordan and Mike Friend 2003-6-20 10950 Humboldt Sundew Meadow on South Fork Mountain, on Shasta-Trinity Forest road 1661 Comment
  HSC70470  Carex microptera Gail Newton 1980-7-20 1639 Humboldt Near Bell Swamps 1426 Comment
  UC152055  Carex multicaulis Joseph P. Tracy 1950-7-1 18958 Humboldt near Friday Camp; Grouse Mountain, Friday Ridge 1219 Comment
  UC562260  Carex multicaulis Joseph P. Tracy 1927-3-27 7862 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC70849  Carex multicostata M. A. Baker 1980-6-7 1826 Humboldt Near Ammon Creek 732 Comment
  UC562268  Carex nervina Joseph P. Tracy 1932-7-16 10627 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC119717  Carex nervina Joseph Prince Tracy 1932-7-15 10572 Humboldt Trinity Summit, open places at Corral Prairie. 1584 Comment
  POM118373  Carex obnupta Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  NY11255  Carex olympica J. P. Tracy 1911-7-7 3390 Humboldt At the meadows on mountain side, three miles northwest of junction of Willow creek with Trinity River, and near Beebe's Ranch 914.4 Comment
  HSC69875  Carex ovalis Thomas W. Nelson 1978-5-28 4100 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  CAS-BOT-BC119265  Carex ovalis Joseph Prince Tracy 1939-7-9 16315 Humboldt Bald Mt. Abundant in ditch 1 mi N of Murphy Meadows. 914 Comment
  CAS-BOT-BC119229  Carex pachystachya Joseph Prince Tracy 1927-5-29 8077 Humboldt Big Lagoon 6 Comment
  POM126147  Carex pachystachya Joseph P. Tracy 1923-6-17 6278 Humboldt Big Lagoon 6 Comment
  POM247172  Carex pachystachya Joseph P. Tracy 1935-6-8 13938 Humboldt Eureka. 0 Comment
  CAS-BOT-BC119235  Carex pachystachya Joseph Prince Tracy 1930-7-10 8868 Humboldt Brannan Mountain 1219 Comment
  POM301859  Carex pachystachya Joseph P. Tracy 1938-6-15 15934 Humboldt Vicinity of Carlotta. 30 Comment
  HSC78036  Carex rostrata Gail Newton 1980-8-10 2050 Humboldt Near Blake Mtn. 1707 Comment
  CAS-BOT-BC117365  Carex stipata var. stipata Joseph Prince Tracy 1931-5-17 9422 Humboldt Lack Pond; in Trinity River Valley, opposite mouth of Willow Creek. 152 Comment
  HSC45950  Carex straminiformis J. P. Smith, Steve Selva 1970-7-30 4132 Humboldt Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CHSC106512  Carex tumulicola Peter F. Zika 2009-6-15 24495 Humboldt Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits, above Route 299, 2.3 road miles W of junction with Chezen Road. 680 Comment
  CAS-BOT-BC115574  Carex tumulicola Joseph Prince Tracy 1930-7-10 8859 Humboldt In grassy opening Brannan Mountain 1219 Comment
  CAS-BOT-BC115543  Carex unilateralis Joseph Prince Tracy 1941-6-29 16935 Humboldt Large dense clump, Hettenshaw Valley 944 Comment
  UC1103081  Carex unilateralis Joseph P. Tracy 1938-6-15 15932 Humboldt Fortuna 30 Comment
  UC1152051  Carex utriculata Joseph P. Tracy 1950-7-25 19065 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC1103618  Carex vesicaria Joseph P. Tracy 1937-7-29 15693 Humboldt McKay Camp South Fork Mountain 1676 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
  RSA246874  Carex viridula Robert F. Thorne 1965-8-7 35198 Humboldt Big Lagoon, south end. 2 Comment
  HSC91590  Carpobrotus chilensis E. Mackey 1987-2-5 Humboldt Patrick's Point State Park, area next to Wedding Rock. Comment
  HSC2875  Carpobrotus chilensis J. Wendell Howe 1930-5-27 158 Humboldt Pigeon Point Comment
  JEPS3694  Castilleja affinis subsp. litoralis L. R. Heckard and P. C. Silva 1952-5-10 271 Humboldt just s Humboldt Bay; Table Bluff Comment
  HSC90430  Castilleja ambigua subsp. humboldtiensis Jean Hanson 1980-6-22 97 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  JEPS3825  Castilleja applegatei subsp. martinii Joseph P. Tracy 1938-5-1 15732 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS8625  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1935-7-24 14203 Humboldt near Trinity Summit Ranger Station; Trinity Summit 1828 Comment
  UC1222834  Castilleja arachnoidea Joseph P. Tracy 1950-8-8 19296 Humboldt Croghan Hole Trinity Summit (on Trinity Summit) 1676 Comment
  CHSC32837  Castilleja attenuata Lora L. Anderson 1981-4-26 18 Humboldt Ca. 1.5 mi ne of Redwood creek 4.5 mi n of 299 w 18 mi ne of Arcata. 228 Comment
  HSC78967  Castilleja attenuata L. P. Janeway 1984-5-16 790 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. N of the boat ramp 3 Comment
  HSC45387  Castilleja densiflora R. York 1978-5-20 169 Humboldt Along Bluff Creek Trail 610 Comment
  HSC32373  Castilleja exserta subsp. latifolia Linda M. Barker 1974-6-2 200 Humboldt Manila Dunes, Samoa Peninsula, W of Emerson Mill 0 Comment
  JEPS10343  Castilleja exserta subsp. latifolia Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16659 Humboldt Table Bluff, w foot of bluff Table Bluff 6 Comment
  UC179928  Castilleja miniata Joseph P. Tracy 1914-7-4 4537 Humboldt High Prairie Northern Coast Ranges, Bald Mountain (on Bald Mountain) 1066 Comment
  UC1502133  Ceanothus R. Sutherland 1975-7-13 2 .13.75 Humboldt Pt. Delgada Quad. 518 Comment
  UC1071074  Ceanothus cuneatus var. cuneatus A. E. Wieslander 1931-5-19 201 Humboldt near Orleans. Hoopa quad., Klamath Nat. For. Comment
  POM203240  Ceanothus foliosus M. S. Jussel 1931-5-1 s.n. Humboldt Garberville. Comment
  RSA600899  Ceanothus foliosus var. foliosus Louis C. Wheeler 1959-8-1 7619 Humboldt Queens Peak Mine. Comment
  CAS-BOT-BC50051  Ceanothus incanus H. E. McMinn 1922-7-1 382 Humboldt S. Fk. Eel River Comment
  UC1193320  Ceanothus incanus P. Zinke 1950-8-4 150 Humboldt 2 mi n Harris Postoffice; Quad. 29D3 883 Comment
  CAS-BOT-BC63683  Ceanothus integerrimus M. S. Jussel 1931-5-2 115 Humboldt Garberville. Comment
  CAS-BOT-BC63725  Ceanothus integerrimus H. E. McMinn 1922-8-5 350 Humboldt Along Van Duzen River. Comment
  HSC60024  Ceanothus integerrimus M. A. Baker 1978-5-6 474 Humboldt Bald Hills Rd., between Klamath River and French Camp Rd. 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
  HSC37608  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 4 .11775 Humboldt Along county rd. 274 Comment
  UC275288  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1924-5-4 6669 Humboldt near Bridgeville; Northern Coast Ranges, Little Larabee Creek 243 Comment
  CAS-BOT-BC51212  Ceanothus parryi Carl B. Wolf 1941-7-28 11092 Humboldt Slopes along Eel River, 1 mi. so. of Miranda. 30 Comment
  HSC36680  Ceanothus parryi R. Sutherland 1975-5-2 7 .2575 Humboldt Near old Hwy. 101 116 Comment
  HSC43184  Ceanothus parryi R. Sutherland 1975-4-22 6 .22475 Humboldt Near China Creek at county rd. 207 Comment
  HSC23294  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1311 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  HSC41241  Ceanothus pumilus Brad Klipfel 1974-5-27 380 Humboldt Horse Mtn. Comment
  HSC35599  Ceanothus velutinus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2014 Humboldt French Camp, Bald Hills. Comment
  SBBG71412  Ceanothus velutinus H. E. McMinn 1931-6-27 2539 Humboldt up to summit from jct of Trinity and Klamath Rivers Comment
  CDA35602  Ceanothus velutinus T. C. Fuller, T. Gallion 1959-7-23 2817 Humboldt Red Gap Road, 3 miles east of Hoopa. 0 Comment
  HSC100354  Centaurea X moncktonii S. Carothers 2002-9-12 1 Humboldt ~0.75 mi. E of Weitchpec (bridge over the confluence of the Trinity and Klamath rivers) on N side of road. 610 Comment
  CAS-BOT-BC277180  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt Horse Prairie, 2 mi. s. of Redcrest Comment
  HSC37944  Centaurea jacea Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  RSA431135  Centaurium muehlenbergii Lyman Benson 1928-7-12 392 Humboldt Weott Ranger Station, South Fork of Eel River; Seaward North Coast Mt. Range. 61 Comment
  UC1199381  Centromadia fitchii Joseph P. Tracy 1925-8-23 7247 Humboldt Harris Northern Coast Ranges 914 Comment
  UC1198615  Centunculus minimus Joseph P. Tracy 1942-6-15 17119 Humboldt Englewood Prairie 91 Comment
  HSC70729  Cephalanthera austiniae Gail Newton 1980-7-14 1525 Humboldt Near Deadman Ridge 1097 Comment
  HSC99675  Cephalanthus occidentalis J. Wendell Howe 1934-7-9 1293 Humboldt Near Weaverville Comment
  HSC12705  Cerastium glomeratum Jana Kattenhorn 1970-10-28 151 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  HSC39961  Cerastium glomeratum Linda M. Barker 1976-4-13 1381 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  SD42481  Cerastium viride Carl B. Wolf 1937-6-18 8883 Humboldt Table Bluff, between Humboldt Bay and Eel River. Comment
  UC62197  Ceratophyllum demersum W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  UC1222946  Chaenactis douglasii var. douglasii Joseph P. Tracy 1947-7-9 17853 Humboldt Horse Mountain, top of Horse Mountain 1432 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
  HSC55122  Chamerion angustifolium subsp. circumvagum G. L. Clifton, Griswold 1979-8-1 11922 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC99520  Chamerion angustifolium subsp. circumvagum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 183 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC74304  Cheilanthes gracillima M. A. Baker 1980-7-24 3200 Humboldt Near Orleans Mtn. 1625 Comment
  SEINET200795 Image available Cheilanthes gracillima J. P. Tracy 1919-9-23 5289 Humboldt Trinity Summit 1830 Comment
  POM182457  Cheilanthes gracillima Joseph P. Tracy 1908-7-3 2765 Humboldt Dinsmore's Ranch, in valley of Van Duzen River opposite Buck Mountain 762 Comment
  CDA3058  Chenopodium ambrosioides B. F. Kemp 1957-11-8 511 -57 Humboldt Orrick. 0 Comment
  HSC55035  Chimaphila menziesii Overton, Butler 1979-7-31 11486 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC54864  Chimaphila umbellata G. L. Clifton, Griswold 1979-7-25 10770 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC41259  Chimaphila umbellata Brad Klipfel 1974-7-23 451 Humboldt Horse Mtn., N of the towers Comment
  UC1197600  Chimaphila umbellata Joseph P. Tracy 1932-7-16 10644 Humboldt woods near McKay Prairie (Trinity Summit); Trinity Summit 1584 Comment
  CAS-BOT-BC236919  Chloropyron maritimum subsp. palustre Malcom A. Nobs; S. Galen Smith 1949-8-3 1200 Humboldt Bordering Humboldt Bay, ca. 2 miles north of Eureka Comment
  UCR51763  Chrysanthemum parthenium H. M. Pollard 1948-8-12 s.n. Humboldt Near mouth of Pearch Creek, near Orleans 366 Comment
  CAS-BOT-BC36482  Chrysolepis chrysophylla Doris K. Kildale 1926-8-20 2570 Humboldt Bald Hills, east end of prairie near Tomlinson's 716 Comment
  UC672860  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1940-8-25 16715 Humboldt Bald Mountain 975 Comment
  CAS-BOT-BC30122  Chrysolepis chrysophylla var. minor Carl B. Wolf 1937-9-13 9338 Humboldt North Coast Range, Summit of Grouse Mt. 1644 Comment
  CAS-BOT-BC420628  Chrysosplenium E. A. McGregor 1921-8-17 118 Humboldt On old grade, S.E. of Orick Comment
  HSC36884  Chrysosplenium glechomifolium J. P. Smith, Thomas W. Nelson 1976-4-27 8616 Humboldt Brazil Ranch E of Hwy. 101 near College of the Redwoods Comment
  UC642314  Cicuta douglasii Joseph P. Tracy 1938-9-25 16169 Humboldt Bald Mountain, at Lake Prairie Lake Prairie; Bald Mountain, Lake Prairie 1066 Comment
  RSA183599  Cinna latifolia D. E. Anderson 1965-9-5 4085 Humboldt Along Mad river, ca. 3 miles south of Blue Lake Comment
  HSC53929  Circaea alpina subsp. pacifica Griswold, Butler 1979-7-11 6944 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC56206  Circaea alpina subsp. pacifica G. L. Clifton, Griswold 1979-8-2 12198 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC144064  Circaea alpina subsp. pacifica Joseph P. Tracy Jun 27 1908-Jun 30 1908 2716 Humboldt opposite Buck Mt. (Van Duzen R. Valley); Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  SEINET3403284  Cirsium arvense R. W. Spellenberg, N. Zucker 2011-7-24 14302 Humboldt 8 km north of Ferndale on Grizzly Bluff Rd. 8 Comment
  SJSU8454  Cirsium arvense H. T. Harvey 1977-7-7 622 Humboldt delta lands of Eel River c. 4 mi NW of Ferndale Comment
  UC166541  Cirsium arvense Joseph P. Tracy 1906-7-4 2536 Humboldt near Hydesville 60 Comment
  CAS-BOT-BC284409  Cirsium arvense John Thomas Howell 1931-6-17 6724 Humboldt 1 1/2 miles n. of Orick, Redwood Highway Comment
  HSC40131  Cirsium arvense Thomas W. Nelson, James Nelson 1976-7-28 3082 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  SEINET5507070 Image available Cirsium arvense John Thomas Howell 1931-6-17 6724 Humboldt Redwood Hwy, 1.5 mi N of Orick 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
  BLMAR404  Cirsium douglasii var. breweri Clara Sander 2005-7-1 404 Humboldt Horse Mtn, Titlow hill road: growing along the roak banks 1066 Comment
  HSC40678  Cirsium douglasii var. breweri Thomas W. Nelson 1976-7-9 2987 Humboldt Along 1S07 just W of summit 1585 Comment
  UC1238036  Cirsium douglasii var. douglasii H. E. and S. T. Parks 1947-6-1 24441 Humboldt South Fork Camp Willow Creek Comment
  SEINET200852  Cirsium edule J. C. Fario Jr 1940-6-14 sn Humboldt Bear River Ridge 610 Comment
  RSA0070881  Cirsium remotifolium A. K. Kellogg, W. G. W. Harford 1868-1 558 Humboldt [Unspecified] 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
  RSA18145  Cirsium vulgare C. B. Wolf 1927-8-22 803 Humboldt Big Lagoon. Comment
  UC56304  Clarkia amoena Joseph Burtt Davy 1899-6-16 5562 Humboldt Alton Comment
  CAS-BOT-BC160957  Clarkia amoena subsp. amoena Carl B. Wolf 1927-8-29 1199 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  UC183702  Clarkia amoena subsp. amoena Joseph P. Tracy 1912-7-26 3857 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC160966  Clarkia amoena subsp. amoena Alice Eastwood 1921-7-21 10663 Humboldt [Vanduzen] Van Duzen River, along the road Comment
  SDSU8656  Clarkia amoena subsp. huntiana D. F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. Comment
  HSC22848  Clarkia concinna subsp. concinna D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5055 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  UC1071989  Clarkia gracilis subsp. gracilis H. and M. Lewis 1947-6-13 420 Humboldt 2.3 mi e Bridge 4-119 (Highway 36); South Fork of Van Duzen River Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  CAS-BOT-BC172512  Clarkia purpurea subsp. quadrivulnera Mrs. H. C. Cantelow 1940-7-6 4034 Humboldt Near Dinsmore's Comment
  HSC16263  Clarkia purpurea subsp. quadrivulnera David Adams 1960-7-10 Humboldt W of Mad River Slough 0 Comment
  UC1196982  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1913-7-20 4384 Humboldt near Berry's; Northern Coast Ranges, Redwood Creek 304 Comment
  UC314618  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1923-7-4 6527 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC562526  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1936-6-10 14924 Humboldt mountain slopes w of mouth South Fork of Trinity River 457 Comment
  HSC100898  Claytonia caroliniana var. sessilifolia Carl C. Marshall Jun 1886 280 Humboldt Trinity Summit. Comment
  JEPS17215  Claytonia cordifolia Joseph P. Tracy 1932-6-15 10583 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC67184  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5435 Humboldt Along E side of Red Mtn. 1372 Comment
  UC494115  Claytonia exigua subsp. glauca H. E. Parks and J. P. Tracy 1930-5-26 878 Humboldt Laribee Valley Comment
  HSC89475  Claytonia perfoliata subsp. mexicana P. A. Daly 1986-3-12 90 Humboldt Trinidad Head, along trail 61 Comment
  UC673001  Claytonia perfoliata subsp. mexicana Joseph P. Tracy 1937-6-27 15380 Humboldt w of mouth of South Fork of Trinity River (Four-Mile Creek); Four-Mile Creek 670 Comment
  CAS-BOT-BC443728  Claytonia rubra subsp. rubra Joseph P. Tracy 1949-6-6 18306 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  HSC32310  Claytonia rubra subsp. rubra D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5662 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC55112  Claytonia sibirica G. L. Clifton 1979-7-31 11861 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC73631  Claytonia sibirica M. A. Baker 1980-7-22 3131 Humboldt Near Grogan Hole. 1676 Comment
  SBBG1967  Claytonia sibirica H. and M. Dearing 1939-6-21 3689 Humboldt E fork of Willow Crk Comment
  UC1052461  Claytonia sibirica H. E. Parks Apr 1933 1421 Humboldt Spruce Cove; Trinidad Comment
  CAS-BOT-BC443889  Claytonia sibirica C. D. Duncan 1920-9-27 s.n. Humboldt Supply Creek Canon [Canyon] near Hoopa Comment
  CAS-BOT-BC443901  Claytonia sibirica Ira L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  HSC45613  Claytonia sibirica Diane L. Reed 1978-5-7 56 Humboldt Fourmile Creek on Friday Ridge Rd., 4 mi. from Hwy. 299 Comment
  HSC91387  Claytonia sibirica Jeff Dunk, David Munger, Tallchief Comet 1987-2-24 Humboldt Arcata, NE of HSU field House to Jolly Giant Creek Comment
  RSA554591  Claytonia sibirica Walter Wisura 1993-5-9 4909 Humboldt Northwest: Hwy 299, 5.7 mi. W of Willow Creek at E-fork camp ground. 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
  UCD100897  Claytonia sibirica James P. Smith 1973-5-26 6850 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  HSC100899  Claytonia triphylla Carl C. Marshall Jun 1886 300 Humboldt Trinity Summit. Comment
  HSC62682  Claytonia washingtoniana Michelle Stevens 1979-4-21 53 Humboldt Ponds across from Clam Beach 0 Comment
  HSC17719  Claytonia washingtoniana D. E. Anderson 1962-3-31 1972 Humboldt Coastal area of Prairie Creek State Park Comment
  HSC99242  Claytonia washingtoniana C. E. Fellows 1971-6-7 456 Humboldt 1 mi. E of Freshwater, near creek S of Freshwater Park Comment
  UC503039  Clematis ligusticifolia Joseph P. Tracy 1928-9-2 8495 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  CHSC3493  Clintonia andrewsiana Roger Jaegel 1966-5-8 151 Humboldt Located twenty-five miles southeast of Eureka, in Richardson's Grove Redwood Park. Comment
  HSC15445  Clintonia andrewsiana J. F. Knezevich 1968-5-13 428 Humboldt Near Arcata above Freshwater Forest Comment
  UC179954  Clintonia andrewsiana Joseph P. Tracy 1914-5-17 4473 Humboldt between Ryans Slough and Freshwater Creek (at the Cumens Claim, region about Humboldt Bay); Northern Coast Region 304 Comment
  JEPS6199  Collinsia linearis Joseph P. Tracy 1932-7-12 10439 Humboldt Corral Prairie, open places Corral Prairie; Trinity Summit 1584 Comment
  HSC96271  Collinsia linearis Eric Schori, Kazuyuki Ishimaru 2005-6-15 12 Humboldt About 18 miles S of Hwy. 299 1400 Comment
  JEPS6178  Collinsia linearis Joseph P. Tracy 1933-7-25 12836 Humboldt Grouse Mtn; North Coast Ranges 1524 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
  HSC70376  Collinsia parviflora M. A. Baker 1980-6-7 1783 Humboldt Near Brush Mtn. 1128 Comment
  UC1196841  Collinsia rattanii Joseph P. Tracy 1929-7-4 8628 Humboldt French Camp Ridge 1066 Comment
  UC176057  Collinsia rattanii Joseph P. Tracy 1913-6-17 4190 Humboldt Northern Coast Ranges, Buck Mountain near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC48992  Collinsia rattanii M. A. Baker 1979-5-23 757 Humboldt Comment
  UC427878  Collinsia sparsiflora var. sparsiflora H. E. Parks and J. P. Tracy 1930-5-25 792 Humboldt Larabee Valley 792 Comment
  JEPS4616  Collinsia torreyi var. wrightii W. L. Jepson Jul 16 1902-Jul 23 1902 2042 Humboldt Trinity Summit 2133 Comment
  HSC98863  Collomia grandiflora Cara Witte 2008-8-5 985 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  RSA409229  Collomia heterophylla M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale, 8 mi north of Garberville Comment
  UC52553  Collomia heterophylla Mrs. M. H. Manning May 1902 Humboldt near Hupa Comment
  SEINET10317252 Image available Collomia tracyi M. A. Baker 1980-6-28 Humboldt Trail to Mad River Buttes Comment
  HSC45623  Comandra umbellata subsp. californica Diane L. Reed 1978-4-22 12 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC12764  Convolvulus arvensis M. J. Athey 1970-10-5 14 Humboldt On railroad tracks to Samoa in Arcata Comment
  HSC6352  Convolvulus arvensis Lincoln Constance 1934-5-27 692 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  UC165072  Conyza canadensis Joseph P. Tracy 1908-7-1 2908 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  RSA183523  Corallorhiza maculata D. E. Anderson 1965-5-15 3687 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  UC666980  Corallorhiza mertensiana Joseph P. Tracy 1930-7-17 9017 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC48977  Cordylanthus maritimus subsp. palustris Jim Bartel 1979-7-17 Humboldt Tributary to Butcher's Slough, within proposed Arcata Marsh Enhancement Project, adjacent to Northwestern Pacific Railroad. Comment
  JEPS55932  Cordylanthus maritimus subsp. palustris T. I. Chuang, L. R. Heckard and R. Bacigalupi 1968-7-3 6455 Humboldt Coastal Salt Marsh, ne edge Arcata Bay Comment
  UC902263  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1949-8-4 18412 Humboldt Mud Springs Trinity Summit 1341 Comment
  JEPS6785  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1938-8-14 16118 Humboldt South Fork of Trinity River (mountain slopes w of its mouth) 304 Comment
  CAS-BOT-BC101149  Corethrogyne filaginifolia L. R. Abrams 1916-7-18 6096 Humboldt Arcata to Trinidad Comment
  UC1223039  Corethrogyne filaginifolia Joseph P. Tracy 1947-6-8 17705 Humboldt 5 mi e of town old Strong's District School House; Carlotta 60 Comment
  UC1223040  Corethrogyne filaginifolia Joseph P. Tracy 1947-7-7 17759 Humboldt mouth of (n side) Mad River Comment
  HSC41246  Cornus nuttallii Brad Klipfel 1974-5-27 393 Humboldt Near Horse Mtn. Comment
  RSA46900  Cornus nuttallii Doris K. Kildale 1925-8-13 1134 Humboldt Willow Creek, bank of Trinity River. 152 Comment
  UC1196902  Cornus nuttallii Joseph P. Tracy 1934-8-24 13597 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  UC502978  Cornus nuttallii Joseph P. Tracy 1932-10-9 10869 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  SEINET12137714  Cornus nuttallii F. H. Utech 1988-1 88 -278 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, bluff above Van Duzen River 800 Comment
  UC249598  Cornus sericea subsp. sericea Joseph P. Tracy 1921-9-4 5949 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  CAS-BOT-BC210542  Cornus sessilis Carl B. Wolf 1941-2-28 9971 Humboldt Junction of Willow Creek & its e. fork 457 Comment
  UC249590  Cornus sessilis Joseph P. Tracy 1922-4-20 6040 Humboldt Three Creeks Northern Coast Ranges, Three Creeks 670 Comment
  RSA0019462  Cornus sessilis H. M. Pollard 1948-7-27 s.n. Humboldt Mouth of Red Cap Creek near Orleans. Comment
  HSC93466  Cortaderia selloana Gordon Leppig 1998-10-26 1106 Humboldt Arcata, Bayside Rd. at Crescent Way 6 Comment
  UC1222291  Corylus californica Joseph P. Tracy 1951-7-24 19624 Humboldt Blue Slide. on Van Duzen River 91 Comment
  UC667997  Corylus californica Joseph P. Tracy 1938-7-6 16027 Humboldt Big Lagoon Prairie 15 Comment
  CAS-BOT-BC180309  Corylus cornuta subsp. californica L. B. Kildale 1928-7-1 5311 Humboldt French Camp in Orick - Martin's Ferry road Comment
  CAS-BOT-BC180313  Corylus cornuta subsp. californica L. B. Kildale 1926-9-5 2638 Humboldt Lasseck's Peaks - on trail between Canal Goat Camp and Red Peak 1676 Comment
  OBI36662  Corylus cornuta subsp. californica David J. Keil 1983-7-2 17312 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll Rd below Horse Mtn Summit Rd Comment
  HSC104410  Corylus cornuta subsp. californica Adam N. Canter 2017-6-15 9 Humboldt Near Fields Landing; Humboldt Hill, Spring Street 100 Comment
  RSA33407  Corylus cornuta var. californica Doris K. Kildale 1927-3-25 3004 Humboldt Humboldt Hill Comment
  UC1223034  Cotula australis J. P. Tracy 1943-4-10 17414 Humboldt Eureka Comment
  CAS-BOT-BC291343  Cotula coronopifolia H. E. Parks 1941-9-1 24211 Humboldt Little River State Park Comment
  UC198581  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC129417  Crepis capillaris Joseph Burtt Davy and Walter C. Blasdale 1899-6-15 5537 B Humboldt near Scotia Comment
  CAS-BOT-BC291486  Crepis capillaris H. E. Parks 1941-8-1 24189 Humboldt Vicinity of Trinidad Comment
  CAS-BOT-BC291490  Crepis capillaris David D. Keck; J. Clausen 1935-6-16 3396 Humboldt Just south of Trinidad Comment
  HSC5927  Crepis capillaris J. L. Baker 1965-4-13 46 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  POM264599  Crepis capillaris C. R. Parks 1941-08 24189 Humboldt Roadsides and fields, vicinity of Trinidad Comment
  RSA47145  Crepis capillaris Doris K. Kildale 1925-7-17 1073 Humboldt Eureka- Cutter tract Comment
  UC538046  Crepis occidentalis E. B. Babcock 1932-6-23 403 Humboldt near Bridgeport (saddle of ridge above Art Renfroe's place) Comment
  RSA43684  Crepis setosa H. M. Pollard 1948-8-8 s.n. Humboldt Roadside between Orleans and Camp Creek Comment
  UC1225821  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek; near mouth 152 Comment
  UC76597  Crocidium multicaule Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa Comment
  UC526804  Cryptantha affinis Joseph P. Tracy 1932-7-11 10398 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  JEPS18415  Cryptantha milobakeri Joseph P. Tracy 1932-6-14 10141 Humboldt w of mouth of South Fork of Trinity River; North Coast Ranges 609 Comment
  HSC58237  Cryptantha torreyana Walter Overton 1979-8-1 12396 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  RSA135453  Cryptantha torreyana Volney Rattan 1882-06 s.n. Humboldt North of Mad River. Comment
  CDA39929  Cuscuta campestris E. C. Whitney 1962-9-17 s.n. Humboldt W.E. Bartlett property, Shively. 0 Comment
  UC902072  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18429 Humboldt Box Camp Trinity Summit 1463 Comment
  UC562479  Cuscuta subinclusa Joseph P. Tracy 1933-8-6 12960 Humboldt e of Orick (Tomlinson Ranch); Bald Hills 762 Comment
  RSA67017  Cynoglossum grande E. K. Balls 1951-5-9 16516 Humboldt ca. 5 miles S of Richardson s Grove, Highway 101. Comment
  UC1239625  Cynoglossum grande Joseph P. Tracy 1933-6-13 12564 Humboldt near summit on rd. from Hoopa westward to Bair's (Hoopa Mt.); Hoopa Mt. 1066 Comment
  UC1222260  Cynoglossum occidentale Joseph P. Tracy 1948-8-15 18121 Humboldt on Ridge 2 mi. e. of Grove's Prairie (Trinity Summit Rd.); Trinity Summit 1524 Comment
  HSC37238  Cynosurus echinatus Lon Hall 1975-6-19 406 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  JEPS26624  Cynosurus echinatus Ira L. Wiggins 1957-6-21 14142 Humboldt 1 mi. s. Garberville (e. side of rd.) Comment
  UC1103242  Cynosurus echinatus Joseph P. Tracy 1942-6-15 17141 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  UC1145093  Cynosurus echinatus Joseph P. Tracy 1944-7-3 17486 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  UC526896  Cynosurus echinatus Joseph P. Tracy 1933-6-11 12542 Humboldt near Miranda; Northern Coast Ranges, near Miranda 152 Comment
  POM89794  Cyperus bipartitus Joseph P. Tracy 1920-8-15 5366 Humboldt Klamath River, at mouth of Bluff Creek 152 Comment
  CAS-BOT-BC114623  Cyperus eragrostis Joseph Prince Tracy 1937-8-3 15612 Humboldt Near Blue Lake, along Mad River. 15 Comment
  HSC97544  Cyperus eragrostis Ivy Watson 2008-10-5 40 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  CAS-BOT-BC136508  Cypripedium montanum Doris K. Kildale 1929-5-26 9116 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC198198  Cytisus striatus Catherine Best 1990-6-26 1367 Humboldt At the edge of Stagecoach Road off Hwy. 101. Comment
  HSC22835  Dactylis glomerata B. D. Rogers 1964-4-28 28464 Humboldt Humboldt State campus near Redwood Hall parking lot Comment
  SEINET4565919  Dactylis glomerata J. B. Davy 1899-6-16 5557 Humboldt Scotia Comment
  CAS-BOT-BC189745  Danthonia californica Joseph P. Tracy 1935-6-23 13965 Humboldt French Camp Ridge. 1066 Comment
  HSC102143  Danthonia californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1049 Humboldt Patterson Meadows 1566 Comment
  BLMAR38  Danthonia californica Brad Barr 1982-6-21 38 Humboldt King range, hidden valley enclosure Comment
  RSA10086  Danthonia californica var. americana Joseph P. Tracy 1931-5-31 9548 Humboldt Kneeland Prairie 793 Comment
  CAS-BOT-BC420358  Darmera peltata Doris K. Kildale 1928-6-24 5247 Humboldt Redwood Creek at Berry's Comment
  HSC20252  Darmera peltata Jack Rockwell 1962-4-29 59 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  RSA520566  Datisca glomerata M. Hanson 1990-5-22 84 Humboldt In the Trinity River, 75 meters E of the Hwy 96 bridge N of Hoopa. Comment
  HSC33767  Daucus pusillus Ron Rahlston 1975-5-24 77 Humboldt Samoa Dunes off Samoa Blvd., across from boat landing Comment
  UC1197355  Daucus pusillus Joseph P. Tracy 1918-7-3 4996 Humboldt Shelter Cove Northern Coast Ranges, Shelter Cove 15 Comment
  UC642294  Daucus pusillus Joseph P. Tracy 1936-6-8 14870 Humboldt bluffs facing ocean Trinidad 3 Comment
  UC1196322  Delphinium decorum subsp. decorum J. P. Tracy 1904-5-1 2044 Humboldt bluff back of Bucksport; immediate vicinity of Eureka 0 Comment
  CHSC97961  Delphinium decorum subsp. tracyi Kaylea Eickhoff; Cara M. Witte 2005-6-15 12 Humboldt 14.1 miles south of Hwy. 299 on NF1, 0.25 miles NE of Grouse Mountain. Rocky serpentine outcrop. UTM 0444876, 4511301. 1400 Comment
  UC503043  Delphinium decorum subsp. tracyi Joseph P. Tracy 1927-6-12 8160 Humboldt lower slopes Northern Coast Ranges, Horse Mountain 1219 Comment
  HSC36240  Delphinium decorum subsp. tracyi John Rehling 1975-5-12 71 Humboldt Bald Hills Area, 2 mi. up Williams Ridge Rd. Comment
  HSC95789  Delphinium nudicaule Kevin Thomas 2004-3-28 9 Humboldt Horse Linto Creek Campground Comment
  HSC98171  Delphinium nudicaule Jack Rockwell 1962-5-12 79 Humboldt Near CDF along creek 198 Comment
  HSC46069  Delphinium trolliifolium G. N. Bos 1965-5-15 276 Humboldt Berry Summit near Hwy. 299 793 Comment
  RSA114995  Delphinium trolliifolium E. K. Balls, Lee W. Lenz 1955-5-15 20736 Humboldt 9.9 miles SW from Fernbridge, along Old Coast road to Capetown. 503 Comment
  RSA20971  Delphinium trolliifolium Carl B. Wolf 1937-6-14 8827 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  CAS-BOT-BC121970  Delphinium trolliifolium Carl B. Wolf 1937-6-19 8916 Humboldt 3 miles NE of Little Van Duzen River on road to Dinsmore's. 762 Comment
  HSC44763  Delphinium trolliifolium Maralyn O'Meara 1972-6-8 93 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  CAS-BOT-BC194298  Deschampsia cespitosa subsp. cespitosa David D. Keck 1938-8-5 4773 Humboldt Big Lagoon Comment
  CAS-BOT-BC201780  Deschampsia elongata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek Canyon, near Orleans Comment
  HSC9602  Deschampsia elongata True Hoyle 1967-7-24 29267 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass Comment
  HSC9612  Deschampsia elongata E. W. Styskel 1964-5-10 86 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  UC526672  Deschampsia elongata Joseph P. Tracy 1932-7-17 10680 Humboldt ridges e. of Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  UC146102  Dicentra formosa J. P. Tracy 1904-4-17 2013 Humboldt immediate vicinity Eureka 0 Comment
  HSC79505  Dicentra formosa Kenneth Clark 1980-3-24 541 Humboldt Dead Man's Gulch, Shelter Cove 69 Comment
  HSC95828  Dicentra formosa Steven Lee 2004-3-30 7 Humboldt Arcata Community Forest, 100 ft. E of junction of Granite Ave. and Jolly Giant Creek Rd. Comment
  UC1196307  Dicentra formosa Joseph P. Tracy 1920-4-18 5315 Humboldt near Glendale (Mad River, around Humboldt Bay); Northern Coast Region, Humboldt Bay, Mad River 30 Comment
  UCD170583  Dicentra formosa Gordon Leppig 1998-3-27 730 Humboldt Quarry Rd. off Jacoby Creek. Under Jacoby Creek Bridge. 97 Comment
  CAS-BOT-BC209194  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1931-5-17 9427 Humboldt Along river, Willow Creek, Trinity River Valley. 152 Comment
  CAS-BOT-BC254483  Dichanthelium acuminatum subsp. acuminatum Henry M. Pollard 1948-9-18 s.n. Humboldt Banks of Klamath River, Orleans Comment
  SEINET200953 Image available Dichanthelium oligosanthes subsp. scribnerianum Joseph P. Tracy 1931-5-17 9428 Humboldt Rocky places along river. Trinity River Valley at Willow Creek Comment
  UC1281812  Dichelostemma capitatum Richard Spellenberg 1965-6-14 1121 Humboldt about 2 mi e Kneeland; Kneeland Prairie Comment
  UC1198171  Dichelostemma capitatum Joseph P. Tracy 1947-5-10 17685 Humboldt Miranda, along the South Fork of Eel River South Fork of Eel River 121 Comment
  UC146201  Dichelostemma capitatum Joseph P. Tracy 1908-6 2773 Humboldt opposite Buck Mountain; Northen Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC32320  Dichelostemma capitatum subsp. capitatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5654 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC81657  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, Jane P. Nelson 1980-7-13 6061 Humboldt Along the rd. from Dinsmore to Anderson Ford-McKeown Ranch rd. 762 Comment
  HSC86307  Dichelostemma capitatum subsp. capitatum K. Berg, B. Bonning 1983-5-21 493 Humboldt 0.5 mi. up Titlow Hill Rd. from Berry Summit 854 Comment
  UC666883  Dichelostemma congestum Joseph P. Tracy 1927-5-8 7965 Humboldt Phillipsville South Fork of Eel River 121 Comment
  HSC3033  Dichelostemma ida-maia H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  HSC48151  Dichelostemma ida-maia Brad Klipfel 1975-6-17 665 Humboldt Along Titlow Hill Rd. Comment
  HSC48851  Dichelostemma ida-maia Brad Klipfel 1973-7-15 210 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UCR32171  Dichelostemma ida-maia David J. Keil 1983-7-2 17339 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  BLMAR210  Dichelostemma ida-maia Jennifer Anthony-Wheeler 1996-7-9 210 Humboldt Pilot ridge. 1280 Comment
  CAS-BOT-BC501026  Dichelostemma ida-maia H. D. Ripley; R. C. Barneby 1945-6-16 6810 Humboldt S. of Weott 91 Comment
  SEINET3885614  Dichelostemma ida-maia D. W. McNeal 1977-6-6 2045 Humboldt Dry shaded hillside above the Bridgeville-Kneeland Rd., 0.4 mi. N. of Hwy. #36.; 0 Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  UC1198185  Dichelostemma ida-maia Joseph P. Tracy 1934-7-22 13489 Humboldt road from Iaqua to Bridgeville (at crossing of North Yager Creek); North Yager Creek 396 Comment
  CAS-BOT-BC500982  Dichelostemma multiflorum Harley P. Chandler 1901-6-1 1310 Humboldt Hupa Indian Reservation 152 Comment
  CDA6260  Digitalis purpurea T. C. Fuller 1958-6-17 1725 Humboldt Petrolia, Lower Mattole. 0 Comment
  CAS-BOT-BC208999  Digitaria sanguinalis Henry M. Pollard 1948-7-27 s.n. Humboldt Orleans Comment
  CHSC579  Dipsacus fullonum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  HSC49807  Dipsacus fullonum R. York 1979-5-23 314 Humboldt Along shore of Humboldt Bay Comment
  UCR179281  Disporum smithii R. G. Swinney 1968-3-28 234 Humboldt East of Humboldt State College, Arcata 152 Comment
  UCR26493  Disporum smithii A. C. Sanders 1981-8-6 2304 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  UC34066  Distichlis spicata J. P. Tracy 1900-7-4 869 Humboldt Samoa Comment
  UC1198620  Dodecatheon hendersonii Joseph P. Tracy 1922-5-14 6046 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  SEINET201054 Image available Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt Bald Mountain, near High Prarie. 1067 Comment
  UC1222160  Downingia bacigalupii Joseph P. Tracy with Mr. Murphy 1951-6-26 19583 Humboldt Upper Twin Lakes Comment
  UC602557  Downingia cuspidata Joseph P. Tracy 1935-5-25 13843 Humboldt Fort Seward 106 Comment
  POM175550  Downingia elegans var. corymbosa F. W. Peirson 1923-7-10 3871 Humboldt About 6 miles N of Garbersville. Comment
  HSC57990  Draba howellii G. L. Clifton, Terry Griswold 1979-7-31 11738 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC401534  Drosera rotundifolia Carl B. Wolf 1927-8-1 s.n. Humboldt Marsh near Eureka Comment
  SEINET3164219  Drosera rotundifolia N. Dennis 1965-6-30 140 Humboldt Sphagnum bog at Big Lagoon County Park, southwest corner of Big Lagoon Comment
  UC183604  Drosera rotundifolia Mrs. Alma Bonstell 1912-8-5 Humboldt Christmas Prairie Northern Coast Ranges 914 Comment
  HSC76190  Drymocallis glandulosa var. reflexa Overton, Butler 1979-7-24 9773 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UCD113036  Drymocallis lactea var. austiniae Joseph P. Tracy 16-19 Jul 1930 8976 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1676 Comment
  CAS-BOT-BC158415  Drymocallis rhomboidea Doris Kildale Gillespie 1931-6-7 10609 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  UC535737  Echinochloa crus-galli Eleanor Armstrong 1151 Humboldt Richardson Grove Comment
  RSA275279  Eleocharis acicularis var. acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Pond above Alder Springs 1585 Comment
  UC666917  Eleocharis bella Joseph P. Tracy 1935-7-27 14299 Humboldt Trinity Summit, McKay Prairie 1584 Comment
  UC1103668  Eleocharis bella Joseph P. Tracy 1927-8-7 8313 Humboldt Lack Pond, opposite mouth of Willow Creek Trinity River Valley 152 Comment
  HSC90810  Eleocharis macrostachya Gail Newton 1982-6-10 3594 Humboldt Elk River Wildlife Area, Eureka Comment
  UC666877  Eleocharis macrostachya Joseph P. Tracy 1934-7-30 13506 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon) 3 Comment
  CAS-BOT-BC112839  Eleocharis macrostachya David Daniels Keck 1938-8-5 4768 Humboldt Big Lagoon, on shore in drying clay mud. Comment
  SEINET3910832  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt Eureka Quad. Along east side of State Route 101 just north of the Eureka Airport.; 0 Comment
  UC1103664  Eleocharis pachycarpa Harold E. Parks and Joseph P. Tracy 1934-10-13 11148 Humboldt Trinidad, at Parks' place 60 Comment
  UC175632  Elymus elymoides subsp. elymoides Joseph P. Tracy 1912-7-31 3933 Humboldt Buck Mountain Northern Coast Ranges (summit) 1676 Comment
  HSC76198  Elymus glaucus Overton, Butler 1979-8-2 12509 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1103204  Elymus glaucus Joseph P. Tracy 1908-6 2856 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCR32176  Elymus glaucus David J. Keil 1983-7-1 17280 Humboldt North Coast Range, Bull Creek Flats Road, 2.5 mi. NE of Honeydew Comment
  CAS-BOT-BC203479  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-5-26 9133 Humboldt Klamath River at Orleans 152 Comment
  HSC97930  Elymus glaucus subsp. glaucus Cara Witte 2007-6-19 295 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1220 Comment
  UCD62371  Elymus glaucus subsp. glaucus A. H. Shunk 1923-7-12 Humboldt Briceland. Comment
  UCD62413  Elymus glaucus subsp. virescens P. B. Kennedy 1928-7-16 Humboldt Near Trinidad. Comment
  BLMAR20  Elymus multisetus Brad Barr June, 1982 20 Humboldt King range, West facing slope of spanish ridge Comment
  CAS-BOT-BC234110  Elymus multisetus Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans Comment
  HSC73480  Elymus multisetus Gail Newton 1980-7-11 1327 Humboldt Near Red Mtn. 1341 Comment
  HSC38425  Elymus triticoides D. E. Anderson, J. P. Smith 1971-6-14 - 1045 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  CAS-BOT-BC229147  Empetrum nigrum Gary S. Lester 1975-4-6 604 Humboldt Megwil Point on Elk Head, north of Trinidad. Trinidad State Beach 15 Comment
  CDA30232  Epilobium brachycarpum M. K. Beyers, I. Shepardson 2009-9-13 257 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  UC314620  Epilobium campestre Joseph P. Tracy 1923-6-20 6341 Humboldt Miranda 91 Comment
  UC183696  Epilobium campestre Joseph P. Tracy 1912-8-4 3978 Humboldt Carlotta 60 Comment
  HSC74754  Epilobium ciliatum subsp. ciliatum Gail Newton 1981-8-6 2398 Humboldt Near Humbug Creek 1256 Comment
  UC169921  Epilobium ciliatum subsp. ciliatum Harley P. Chandler June, 1901 1530 Humboldt Klamath River North Coast Ranges 304 Comment
  HSC43235  Epilobium ciliatum subsp. ciliatum R. Sutherland 1976-8-19 3 .19876 Humboldt 259 Comment
  HSC23739  Epilobium ciliatum subsp. watsonii Tim Baroni 1971-6-23 4 Humboldt About 1 mi. S of Ferndale on Mattole Rd. Comment
  UC583056  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-13 14385 Humboldt roadside ditch Clam Beach Comment
  HSC41820  Epilobium densiflorum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3699 Humboldt Along old trail above Alder Springs 1616 Comment
  JEPS38191  Epilobium densiflorum W. L. Jepson 1927-7-3 12364 Humboldt Miranda Station South Fork Eel River 228 Comment
  HSC16369  Epilobium glaberrimum subsp. glaberrimum J. P. Tracy 1936-8-7 15102 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1524 Comment
  HSC41818  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3514 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  RSA256576  Epilobium minutum D. E. Anderson 1972-6-20 5747 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  SEINET10890728  Epilobium oreganum Chestnut 1888-8-1 CHESTNUT s.n. Humboldt Grouse Creek, growing rankly along brooks Comment
  HSC63171  Epilobium septentrionale M. A. Baker 1979-7-7 1017 Humboldt 9.5 km E of Berry Summit along Hwy. 299, N bank of Willow Creek Comment
  HSC97437  Equisetum arvense Ivy Watson 2008-10-5 38 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  SEINET200606 Image available Equisetum hyemale J. P. Tracy 1926-9-6 7795 Humboldt Trinity River Valley near the S Fork 183 Comment
  UC503072  Equisetum hyemale subsp. affine Joseph P. Tracy 1928-6-17 8456 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges 152 Comment
  POM281840  Equisetum hyemale var. affine Lyman Benson 1928-7-9 414 Humboldt Weott Ranger Station. Seaward N Coast Mtn range, S Fork Eel River. 61 Comment
  HSC882  Equisetum telmateia subsp. braunii D. E. Anderson 1962-2-10 1920 Humboldt 1.5 mi. S of Trinidad Comment
  HSC885  Equisetum telmateia subsp. braunii S. J. Hawks, D. E. Anderson 1965-5-18 80 Humboldt Luffenholtz Beach Comment
  SEINET10834153  Equisetum telmateia var. braunii Mary Susan Taylor 1977-8-5 Taylor 1430 Humboldt Abundant around bridge over Eel River, at the turnoff from Hwy 1 to Ferndale, in Fernbridge. 2 Comment
  CAS-BOT-BC213558  Eragrostis hypnoides Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  CHSC68552  Erechtites glomeratus Vernon H. Oswald 1997-4-29 8350 Humboldt Humboldt Bay NWR, levee north of Long Pond along the arm of South Humboldt Bay separating Teal Island from the main part of the refuge. Comment
  UC1193150  Ericameria arborescens P. J. Zinke 1950-10-9 180 Humboldt e slope King Peak (outside national forest); Quad 28D1 1219 Comment
  HSC44537  Erigeron foliosus var. confinis Brad Klipfel 1973-7-1 145 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1199403  Erigeron foliosus var. confinis Joseph P. Tracy 1927-5-14 8006 Humboldt near South Fork; Trinity River Valley 182 Comment
  RSA12520  Erigeron foliosus var. confinis C. B. Wolf 1934-7-3 5916 Humboldt 21 mi. from Orick on Weitchpec Rd. Comment
  CDA14246  Erigeron foliosus var. foliosus P. Haggard 1998-6-12 s.n. Humboldt North Coast Ranges; Margin of Hwy 36, immed. W of Bridgeville along Van Duzen River. 0 Comment
  CAS-BOT-BC308849  Erigeron glaucus Doris K. Kildale 1926-6-6 2122 Humboldt Gold Bluffs Comment
  HSC39954  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt 3 mi. W of Arcata Comment
  HSC31641  Erigeron glaucus Glenn McGourty 1974-6-1 81 Humboldt Comment
  RSA636111  Erigeron glaucus R. F. Thorne 1974-7-29 45079 Humboldt Samoa Dunes: Between Humboldt Bay and Pacific Ocean. Comment
  UC169351  Erigeron inornatus var. inornatus Joseph P. Tracy 1912-7-31 3948 Humboldt near the summit Buck Mountain 1676 Comment
  HSC104433  Erigeron maniopotamicus Bianca Hayashi 2013-6-11 Humboldt Twin Lakes area, north of Board Camp Mountain 1280 Comment
  HSC38089  Erigeron philadelphicus Thomas W. Nelson, James Nelson 1976-5-30 2610 Humboldt McKeown Ranch N of Dinsmore Comment
  UC127577  Erigeron philadelphicus var. philadelphicus Harley P. Chandler 1901-6-1 1402 A Humboldt Klamath River North Coast Ranges, Klamath River 304 Comment
  UC34163  Erigeron philadelphicus var. philadelphicus Harley P. Chandler 1901-6-1 1402 A Humboldt North Coast Ranges, Klamath River 304 Comment
  UC31538  Erigeron supplex H. N. Bolander 1863-1 4754 Humboldt Comment
Read comments
Feb 20 2007
  HSC76606  Eriogonum compositum Teresa Prendusi 1981-7-21 280 Humboldt Near Whiteys Peak 1646 Comment
  HSC32328  Eriogonum compositum var. compositum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5669 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  JEPS57408  Eriogonum compositum var. compositum L. R. Heckard with T. I. Chuang 1968-7-5 1989 Humboldt 4 1/2 mi n along Mail Ridge road Harris Road (e of Garberville) Comment
  UC1198159  Eriogonum compositum var. compositum Joseph P. Tracy 1908-6 2917 Humboldt nw slope of Buck Mountain Buck Mountain 1219 Comment
  CDA22611  Eriogonum latifolium T. C. Fuller 1961-9-28 7050 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  HSC16903  Eriogonum latifolium J. Wendell Howe 1932-9-28 928 Humboldt Samoa Comment
  HSC49090  Eriogonum latifolium Patricia Shesgreen 1978-8-12 136 Humboldt Along Hwy. 255, 0.25 mi. S of Samoa Bridge Comment
  RSA423114  Eriogonum latifolium M. B. Dunkle 1936-8-18 4818 Humboldt Moonstone Beach. Comment
  SD38694  Eriogonum latifolium Edith A. Purer 1932-7-27 4149 Humboldt Near Samoa, near Arcata Comment
  UC1478648  Eriogonum latifolium Robert F. Thorne 1974-7-29 45074 Humboldt Samoa Dunes Comment
  RSA296732  Eriogonum latifolium J. P. Smith, Thomas W. Nelson 1977-6-30 9209 Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC1222342  Eriogonum latifolium Joseph P. Tracy June 1950 18762 Humboldt near Petrolia (roadside, e slope of Domingo Hill, between town and Ocean); Domingo Hill Comment
  UC203954  Eriogonum latifolium Joseph P. Tracy 1918-7-1 4974 Humboldt 3 mi s Point of the Cape; Cape Mendocino 3 Comment
  CAS-BOT-BC259541  Eriogonum luteolum var. luteolum A. A. Heller 1924-7-20 13861 Humboldt Along the Eel River at Phillipsville Comment
  CAS-BOT-BC259536  Eriogonum luteolum var. luteolum Milo S. Baker 1927-8-14 2435 a Humboldt Near Summit of ridge West of Bull Creek Comment
  HSC55189  Eriogonum nudum G. L. Clifton, Griswold 1979-8-2 12253 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC55268  Eriogonum nudum Overton, Butler 1979-8-2 12638 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC261492  Eriogonum nudum var. nudum M. S. Jussel 1931-5-2 116 Humboldt Garberville Comment
  POM165532  Eriogonum nudum var. nudum Joseph P. Tracy 1916-6-20 4729 Humboldt North Coast Ranges: Dobbyn Creek 183 Comment
  UC54704  Eriogonum nudum var. nudum Harley P. Chandler June, 1901 1491 Humboldt Klamath River North Coast Ranges, Klamath River 304 Comment
  BLMAR218  Eriogonum nudum var. nudum Jennifer Anthony-Wheeler 1996-7-9 218 Humboldt Pilots ridge., abundant found on dry open areas 1280 Comment
  OBI82417  Eriogonum nudum var. nudum Dennis Anderson, D Santana, J Lackey 1971-7-15 5265 Humboldt Trinity CO. : Along 1 SO 7, T 29 N, R 6 E, secs. 29, 30, along Shanty Creek, CA. 5 miles west of Ruth Dam. 1341 Comment
  HSC54660  Eriogonum umbellatum Overton, Butler 1979-7-25 9883 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC43084  Eriogonum umbellatum var. nelsoniorum Brad Klipfel 1973-8-3 300 Humboldt N Trinity Mtn. 1860 Comment
  SEINET4856204  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along U.S. Forest Service Road 1 at south end of Whiting Ridge, about 0.5 air miles west-northwest of High Salt Ground and 9.3 miles west of Hyampom. 1296 Comment
  HSC98645  Eriophorum crinigerum Cara Witte 2007-5-24 115 Humboldt Horse Mountain Botanical Area. Along Forest Service Rd. 6N38. Near Horse Mountain Mine. 1284 Comment
  CAS-BOT-BC298514  Eriophyllum confertiflorum Kenneth Clark 1979-6-30 461 Humboldt Shelter Cove. Dead Man's Gulch, on lower terraces 9 Comment
  UC176857  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1912-7-21 3768 Humboldt Alton Northern Coast Region of California Comment
  CAS-BOT-BC301389  Eriophyllum lanatum var. grandiflorum L. R. Abrams 1918-6-16 7154 Humboldt Willow Creek Comment
  UC1223128  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1944-7-3 17480 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  HSC44347  Eriophyllum lanatum var. lanceolatum Brad Klipfel 1975-6-17 688 Humboldt Horse Mtn. Comment
  HSC36377  Eriophyllum staechadifolium Thomas W. Nelson 1975-8-10 2240 Humboldt At Table Bluff Comment
  HSC100484  Erodium cicutarium Carl C. Marshall Jun 1887 478 Humboldt Everywhere. Comment
  POM48069  Eryngium aristulatum var. aristulatum J. B. Feudge 1923-7-27 55 Humboldt Rohnerville 15 Comment
  UC10526  Erysimum capitatum J. Burtt Davy 1899-6-23 5856 Humboldt Trinity Summit North Coast Ranges Comment
  HSC34457  Erysimum menziesii J. P. Smith, J. O. Sawyer 1975-5-11 8079 Humboldt Samoa Peninsula, just N of The Coast Guard Station boundary. Comment
  SJSU2542  Erythranthe dentata H. L. Buckalew 1962-6-26 Humboldt Prairie Cr Redwoods State Park Comment
  SEINET13754736 Image available Erythranthe nasuta Joseph P. Tracy 1923-1 6218 Humboldt Kneeland Prairie 762 Comment
  SEINET13732744 Image available Erythranthe primuloides Joseph P. Tracy 1932-1 10534 Humboldt Trinity Summit, Corral Prarie. 1585 Comment
  CAS-BOT-BC133258  Erythronium L. R. Abrams 1918-6-15 7099 Humboldt Brannan Mt near Willow Creek 1371 Comment
  HSC104324  Erythronium californicum James Regan, Humboldt Redwood Co., LLC 2007-4-30 22 Humboldt Kneeland, near Kneeland Airport 854 Comment
  HSC65181  Erythronium californicum T. Jimerson, J. Pageau 1979-4-18 424 Humboldt 3 mi. N on Hawkins Bar Rd., NW side of rd. 652 Comment
  HSC96197  Erythronium grandiflorum subsp. grandiflorum Jennifer Lumbert, James Robinson 2005-6-15 14 Humboldt NE of Grouse Mtn. 1490 Comment
  HSC104331  Erythronium oregonum James Regan, Humboldt Redwood Co., LLC 2007-5-3 21 Humboldt Long Ridge, near Taylor Peak, west of Scotia / Bear River 793 Comment
  HSC104346  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 5 Humboldt Kneeland 854 Comment
  HSC104347  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-7 20 Humboldt Kneeland 854 Comment
  HSC26879  Eschscholzia californica Clifton Raymond Chesbrough 1973-6-19 86 Humboldt 1/2 mi. S of Trinidad along the coast Comment
  HSC58763  Eucephalus ledophyllus Terry Griswold 1979-7-26 10161 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC58806  Eucephalus ledophyllus G. L. Clifton, Griswold 1979-7-31 11745 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC44570  Eucephalus ledophyllus var. ledophyllus Brad Klipfel 1973-7-15 189 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1199298  Eucephalus tomentellus Joseph P. Tracy 1930-7-19 9083 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC102197  Euonymus occidentalis var. occidentalis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1111 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  SEINET10971171  Eupatorium occidentale Mary Susan Taylor 1980-6-11 Taylor 2844 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  UC1198984  Euphorbia crenulata Joseph P. Tracy 1926-4-11 7409 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  CDA4817  Euphorbia helioscopia W. Simas 1962-12-4 Humboldt Fisher property, Island School Road, Ferndale. 0 Comment
  UC709444  Euphorbia lathyris Joseph P. Tracy 1941-10-26 17052 Humboldt Hydesville 91 Comment
  HSC12567  Euphorbia peplus D. La Conte 1970-6-15 6 Humboldt Comment
  HSC36589  Euphorbia peplus John Rehling 1975-5-4 55 Humboldt H.S.U. campus Comment
  HSC5091  Eurybia radulina H. E. Parks, J. P. Tracy 1930-9-15 769 Humboldt Kneeland Bald Hills Comment
  CAS-BOT-BC312212  Eurybia radulina Doris K. Kildale 1927-7-25 3839 Humboldt Table Bluff near lighthouse Comment
  OBI5245  Fallopia sachalinensis T. C. Fuller 1968-7-30 17447 Humboldt NE side of Hwy 101 fwy overpass, Fields landing Comment
  HSC9852  Festuca californica D. C. Juve 1964-5-16 36 Humboldt Campbell Cr. Ranger Station. Hwy. 96. Hillside above Trinity River Comment
  RSA183629  Festuca californica var. californica D. E. Anderson 1965-5-22 3721 Humboldt About 3 miles south of Bridgeville, on road to Blocksburg. Comment
  UC187103  Festuca idahoensis Joseph P. Tracy 1911-7-6 3338 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC70827  Festuca idahoensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5676 Humboldt Hoopa Mt. Comment
  HSC31224  Festuca occidentalis D. E. Anderson 1972-6-20 5723 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC70924  Festuca occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5427 Humboldt near Hubbards Comment
  CAS-BOT-BC278971  Festuca rubra Malcom A. Nobs; S. Galen Smith 1949-8-3 1171 Humboldt Around Fields Landing Comment
  HSC26125  Festuca rubra J. P. Smith 1970-6-7 3800 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  RSA126630  Festuca rubra H. S. Yates 1936-6-16 5671 Humboldt 1 mile N of Samoa. 3 Comment
  UC33725  Festuca rubra Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5685 Humboldt Hoopa Mt. Comment
  UCD66367  Festuca rubra Linda M. Barker 1976-6-22 1617 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. 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
  UC1152012  Festuca subuliflora A. H. Murphy 1951-5-15 31 Humboldt 0.5 mi s McCann (on Fruitland Road) Comment
  SEINET11826851  Filago gallica J. P. Tracy 1948-1 18038 Humboldt halfway between Bridgeville & Blacksburg, along Larrabee Creek Comment
  HSC102011  Floerkea proserpinacoides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 912 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC27020  Foeniculum vulgare Brad Klipfel 1973-8-20 282 Humboldt At Hwy 101 and Hookton Road, N of Eureka Comment
  CAS-BOT-BC453524  Fragaria chiloensis Bolemanson 1908-5-15 s.n. Humboldt Samoa Comment
  HSC18609  Fragaria vesca E. W. Styskel 1963-3-3 5 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 290 Comment
  HSC31646  Fragaria vesca Timothy B. Devine 1974-5-4 315 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC32950  Fragaria vesca Thomas W. Nelson, James Nelson 1973-5-28 959 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC44523  Fragaria vesca Brad Klipfel 1973-7-1 130 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC44599  Fragaria virginiana Brad Klipfel 1973-6-10 105 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  OBI37797  Frangula californica subsp. californica David J. Keil 1983-7-1 17277 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats Rd Comment
  CAS-BOT-BC59970  Frangula purshiana L. R. Abrams 1922-6-25 8258 Humboldt N. of Mad River near Arcata. Comment
  HSC15541  Fritillaria affinis Elrid H. Spinas 1948-6-16 68 Humboldt Horse Mtn. Comment
  HSC65858  Fritillaria affinis Gail Newton 1980-6-28 710 Humboldt Near Mad River Butte. 1536 Comment
  UC176688  Fritillaria affinis Joseph P. Tracy 1913-6-17 4179 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  CAS-BOT-BC136032  Fritillaria affinis John Thomas Howell 1954-4-25 29154 Humboldt Dune hills, Little River Comment
  HSC15546  Fritillaria affinis F. B. Plett 1963-5-15 49 Humboldt 1.5 mi. N of Trinidad along Old Hwy. 101 Comment
  CHSC80006  Fumaria officinalis Gordon Leppig; Sylvia Leppig 2000-12-7 1523 Humboldt Arcata, 7th and I Street just west of Post Office, UTM zone 10, 4525N, 408E. 6 Comment
  HSC102052  Galium aparine M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 957 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  BLMAR595  Galium aparine Jennifer Wheeler 2010-7-28 595 Humboldt Lacks Creek, along Pine Ridge Road, common understory 975 Comment
  JEPS6700  Galium bolanderi Joseph P. Tracy 1927-5-15 8043 Humboldt near the South Fork; Trinity River Valley 182 Comment
  JEPS25700  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
  JEPS52900  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3857 Humboldt 6.8 mi w mouth of Bull Creek (n-facing hillside); Bull Creek (settlement) 91 Comment
  OBI9919  Galium parisiense Rimo Bacigalupi, G. T. Robbins 1954-6-28 4654 Humboldt Along hwy, high above Trinity River, 7.4 mi N of Hoopa, 4.6 mi S of Weitchpec. Six Rivers natl Forest Comment
  UC602511  Galium porrigens Joseph P. Tracy 1926-4-11 7406 B Humboldt Bridgeville 198 Comment
  UC602521  Galium porrigens var. porrigens Joseph P. Tracy 1924-8-10 6816 Humboldt Blue Slide Van Duzen River 91 Comment
  UC196081  Galium trifidum Joseph P. Tracy 1927-7-10 8246 Humboldt Alton Northern Coast Region 30 Comment
  RSA256577  Galium triflorum J. O. Sawyer 1970-6-24 2270 Humboldt S of Mill Creek Gap. F.S. Road 10N02. 1433 Comment
  CAS-BOT-BC188542  Garrya elliptica Doris K. Kildale 1929-3-19 7027 Humboldt 7 miles from Essex -- top of Liscom Hill Comment
  CAS-BOT-BC188546  Garrya elliptica Doris K. Kildale 1926-1-3 1464 Humboldt Big Lagoon road near Trinidad Comment
  CHSC19512  Garrya elliptica J. F. Knezevich 1968-1-2 Humboldt Near Patrick's Point State Park on Highway 101. Comment
  SEINET12137511  Garrya elliptica M. S. Taylor 1982-1 5181 Humboldt Samoa, under bridge, ca 1 mi NW of Eureka Comment
  CAS-BOT-BC182145  Garrya fremontii L. B. Kildale 1931-10-1 s.n. Humboldt Bug Creek, Caparall Mt. 1097 Comment
  HSC35698  Garrya fremontii Thomas W. Nelson, B. Reinhardt 1975-7-30 2105 Humboldt along Rd. out to Whiting Ridge and at Last Chance Ridge Comment
  HSC98071  Garrya fremontii Cara Witte 2007-7-12 530 Humboldt Ammon Ridge Road. Approximately 2 miles southeast of intersection with 5N10. 1353 Comment
  OBI14160  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 b Humboldt Trinity River Valley, at Willow crk Comment
  UC1103734  Gastridium ventricosum Joseph P. Tracy 1913-7-20 4380 Humboldt at Berry's ranch Redwood Creek; Northern Coast Ranges, Redwood Creek 304 Comment
  RSA467228  Gaultheria shallon Anstruther Davidson 1927-08 s.n. Humboldt No location noted. Comment
  UC1541490  Gaultheria shallon W. K. Parks 1932-6-1 1404 Humboldt vicinity of Trinidad Comment
  UCD20675  Gaultheria shallon A. T. Leiser 1980-7-9 s.n. Humboldt Humboldt County, North of Orick, Redwood National Park, Hwy 101 reroute, +- 1000' elevation. -304 Comment
  SEINET2031090 Image available Gaultheria shallon Joseph P. Tracy 1908-1 2863 Humboldt Valley of Van Duzen River; opposite Buck Mountain 762 Comment
  HSC97977  Gayophytum diffusum subsp. parviflorum Cara Witte 2007-7-8 424 Humboldt Board Camp Mountain. Pack trail 4N26. 1/2 mile from Tri Board Camp intersection. 1536 Comment
  JEPS27564  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9051 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  JEPS27602  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-7-26 12919 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC505119  Gayophytum heterozygum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9050 1/2 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC562365  Gayophytum heterozygum Joseph P. Tracy 1936-8-8 15137 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC57882  Gentiana plurisetosa Walter Overton, Marvin Butler 1979-7-31 11420 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC179966  Gentiana sceptrum Joseph P. Tracy 1914-9-6 4610 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  UC1198641  Gentianopsis simplex Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  UC213322  Gentianopsis simplex Joseph P. Tracy 1919-9-22 5275 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC502970  Geranium carolinianum Joseph P. Tracy 1927-5-8 7959 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Region Comment
  HSC69586  Geranium dissectum R. Kalal 1980-7-20 89 Humboldt 0.1 mi. N of RR tracks along road to Arcata Marsh Project/Boat Launching Basin at foot of I St., Arcata 1 Comment
  HSC8650  Geranium dissectum Francis Winter 1960-4-24 Humboldt Redwood Creek Ranch 381 Comment
  UC1198955  Geranium molle Joseph P. Tracy 1933-5-19 12198 Humboldt Alton to Fortuna (along the Eel River); Eel River 15 Comment
  HSC7248  Geranium molle J. E. Lankila 1962-5-14 22 Humboldt W bank of river at Fernbridge Comment
  RSA600894  Geranium molle Louis C. Wheeler 1959-8-2 7622 Humboldt Shelter Cove. Comment
  HSC18645  Geum macrophyllum E. W. Styskel 1963-5-19 37 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 305 Comment
  JEPS69522  Gilia capitata subsp. capitata Joseph P. Tracy 1935-7-29 14345 Humboldt brushy ridge 1 mi ne Ranger Station (Trinity Summit); , ne of Ranger Station 1676 Comment
  CAS-BOT-BC226147  Gilia capitata subsp. pacifica Doris K. Kildale 1925-6-28 1372 Humboldt Kneeland Prairie - bald hills 762 Comment
  CAS-BOT-BC226151  Gilia capitata subsp. pacifica Doris K. Kildale 1927-5-15 3295 Humboldt Mattole River Valley Comment
  UC1197924  Gilia capitata subsp. pacifica Joseph P. Tracy 1949-10-29 18595 Humboldt Eureka 30 Comment
  UC1197928  Gilia capitata subsp. pacifica Joseph P. Tracy 1937-5-30 15310 Humboldt near Bosworth's (Larrabee Creek); Northern Coast Ranges, Larrabee Creek 457 Comment
  HSC104328  Gilia capitata subsp. pacifica James Regan, Humboldt Redwood Co., LLC 2010-6-23 24 Humboldt Monument Ridge, near Brushy Creek 915 Comment
  UC908974  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (sand dunes, on Humboldt Bay); Northern Coast Region, on Humboldt Bay, nr Samoa 6 Comment
  UC921140  Gilia millefoliata Joseph P. Tracy 1948-6-12 18067 Humboldt sand dunes near Samoa (on Humboldt Bay); , near Samoa 6 Comment
  UC169034  Githopsis specularioides Joseph P. Tracy 1908-6-9 2655 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  BLMAR647  Githopsis specularioides Jennifer Wheeler 2011-6-21 647 Humboldt Lacks Creek, Stormy Saddle Prairie 1158 Comment
  SEINET10464626  Githopsis specularioides Chandler CHANDLER 1345 Humboldt Hupa Indian Reservation 152 Comment
  SEINET267678 Image available Glyceria declinata Gordon Leppig 1996-5-5 329 Humboldt Arcata Healthsport parking lot of Union St. 2 Comment
  BLMAR561  Glyceria elata Clara Sander 2009-8-21 561 Humboldt Lacks Creek, in a ditch near where main lacks Creek parking lot is to be 975 Comment
  HSC10066  Glyceria elata T. O. Preston 1963-5-12 50 Humboldt Essex pond Comment
  UC184937  Glyceria elata Joseph P. Tracy 1909-7-31 3049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  RSA624789  Glyceria fluitans Gordon Leppig, Sylvia Leppig 1999-4-24 1125 Humboldt Arcata, Alder Grove Pond. 18 Comment
  JEPS20478  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt open places at Corral Prairie (in low wet ground); Trinity Summit, Corral Prairie 1584 Comment
  UC1199353  Gnaphalium palustre Joseph P. Tracy 1918-7-2 4985 Humboldt upper Mattole Valley; Northern Coast Ranges, Mattole Valley 152 Comment
  HSC55216  Goodyera oblongifolia Walter Overton 1979-8-1 12373 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC179961  Goodyera oblongifolia Joseph P. Tracy 1914-9-6 4624 Humboldt between High Prairie and Snow Camp (Northern Coast Ranges, Bald Mountain); Northern Coast Ranges, Bald Mountain 1219 Comment
  HSC28074  Goodyera oblongifolia J. D. Ackerman, A. Montalvo 1973-8-20 114 Humboldt W slope of N Trinity Mtn., E of Hoopa Comment
  UC1713302  Hackelia setosa Joseph P. Tracy 1937-7-25 15547 Humboldt Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  HSC56405  Helenium bigelovii Griswold, Butler 1979-7-11 7011 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  UC53952  Helenium bigelovii J. P. Tracy 1901-5-1 1204 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  JEPS35027  Helenium bolanderi Joseph P. Tracy 1937-7-16 15431 Humboldt Trinidad 60 Comment
  UC176474  Helenium bolanderi Joseph P. Tracy 1913-7-13 4355 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  UC1222895  Helenium bolanderi Joseph P. Tracy with H. E. Parks 1950-7-16 11686 Humboldt 2 mi n Trinidad (Park's place) Comment
  CAS-BOT-BC309415  Helenium puberulum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC45215  Hemitomes congestum Louise Watson, Mary Lou Schreiber 1978-9-29 Humboldt West side of summit, 1/4 mi. N. of McKinleyville-Fieldbrook Rd. Bulk Collection 137 Comment
  HSC48729  Hemitomes congestum J. Pageau, T. Jimerson, W. Wisler, A. Regalis 1979-6-13 523 Humboldt Off FS 10N05. SE slope of Hopkins Butte. Bulk Collection 185 1037 Comment
  HSC40031  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-22 2879 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  HSC97470  Hemizonella minima Cara Witte 2007-5-23 92 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  CAS-BOT-BC309983  Hemizonia congesta subsp. tracyi Richard Spellenberg 1965-6-14 1129 Humboldt Kneeland Prairie, at Kneeland Airport, 6 mi. s.e. of Kneeland Comment
  CAS-BOT-BC309992  Hemizonia congesta subsp. tracyi Doris K. Kildale 1925-10-1 1697 Humboldt Kneeland Prairie Comment
  HSC102168  Heracleum maximum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1080 Humboldt Patterson Meadows 1555 Comment
  HSC21508  Heracleum maximum B. R. Templeton 1962-5-15 Humboldt Hwy 101 N of Arcata Comment
  JEPS2423  Heterotheca oregona var. rudis W. L. Jepson 1932-7-25 16398 Humboldt Old Grant Camp Eel River Comment
  RSA93364  Heterotheca oregona var. rudis F. W. Peirson 1941-7-29 13111 Humboldt Stephens Grove State Park. Comment
  SEINET200860  Heuchera micrantha J. P. Tracy 2865 Humboldt Valley of Van Duzen River opposite Buck Mt 762 Comment
  UC1222388  Heuchera micrantha Joseph P. Tracy 1950-6-8 18717 Humboldt 2 mi s Ferndale (at the Sand Cut, Wild Cat Road) Comment
  CAS-BOT-BC312388  Hieracium albiflorum Doris K. Kildale 1927-7-17 3752 Humboldt Bug Creek 792 Comment
  HSC81930  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4947 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC74490  Hieracium greenei M. A. Baker 1980-7-24 3209 Humboldt Near Orleans Mtn. 1625 Comment
  UC1199462  Hieracium nudicaule Joseph P. Tracy 1911-7-6 3363 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC165197  Hieracium nudicaule Joseph P. Tracy 1908-6 2749 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC582422  Hieracium nudicaule Joseph P. Tracy Jul 16 1930-Jul 19 1930 9041 Humboldt near Blake lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  RSA183516  Hierochloe occidentalis G. N. Bos 1965-5-2 248 Humboldt 8 miles east of Korbel on Bald Mountain Road 793 Comment
  HSC13454  Hippuris vulgaris D. E. Anderson 1965-10-25 4161 Humboldt Georgia-Pacific Co., N Big Lagoon Comment
  HSC13461  Hippuris vulgaris R. L. Jarvis 1962-4-18 28 Humboldt .5 mi. S of Mad River, .25 mi. W of Hwy. 101 15 Comment
  HSC34986  Hippuris vulgaris Thomas W. Nelson 1974-9-12 1708 Humboldt KOA campground along E side of Hwy. 101, 3 mi. S of Arcata Comment
  HSC36309  Hippuris vulgaris David Sohrakoff 1972-11-12 1 Humboldt Clam Beach ponds Comment
  HSC10142  Holcus lanatus R. I. Bonn 1965-5-9 50 Humboldt 4 miles W of Arcata on Lanphere Rd. Comment
  HSC59126  Holcus lanatus Terry Roth 1979-5-26 88 Humboldt Arcata, field off Sunset Ave., near the old mill location. Comment
  SEINET200832 Image available Holcus lanatus J. P. Tracy 1901-7-24 1218 Humboldt Immediate vicinity of Eureka 0 Comment
  UC38600  Holcus lanatus Harley P. Chandler May 1901 1118 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  UCD84961  Holcus lanatus Henry M. Pollard 1945-8-24 7892 Humboldt Klamath River Canyon. Between Orleans and Camp Creek. Comment
  HSC48817  Holodiscus discolor Brad Klipfel 1973-7-31 231 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC74742  Holodiscus discolor Gail Newton 1981-7-24 2295 Humboldt Near Chaparral Mtn. 1512 Comment
  OBI10169  Holodiscus discolor Carl B. Wolf 1937-8-13 9227 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  POM368001  Holodiscus discolor Patricia Wilder 1968-8-22 4420 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  HSC58607  Hordeum brachyantherum G. L. Clifton, Griswold 1979-7-25 10949 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC89903  Hordeum brachyantherum Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  UC187304  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1911-6-25 3252 Humboldt Bucksport region about Humboldt Bay, Bucksport (region about Humboldt Bay, Northern Coast Region) 0 Comment
  RSA10124  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad 9 Comment
  HSC23405  Hordeum marinum subsp. gussoneanum Jeff Blake 1971-11-15 Humboldt Bear Ridge area, near Petrolia. Comment
  HSC26777  Hordeum marinum subsp. gussoneanum Thomas W. Nelson 1971-5-31 464 Humboldt 915 Comment
  UC1103739  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1939-4-29 16262 Humboldt Orleans 121 Comment
  UCD85879  Hordeum marinum subsp. gussoneanum A. H. Murphy 1951-5-21 s.n. Humboldt Tooby and Prior Ranch, Blocksburg. Experimental grazing pasture, 2 miles S of Blocksburg. Comment
  HSC96008  Horkelia tridentata Juha Pykala, D. H. Norris 1987-6-11 1647 Humboldt Hoopa Indian Reservation, Big Hill Rd. 1 mi. SE of Big Hill 869 Comment
  UC1198716  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1933-6-13 12593 Humboldt near summit (on rd w from Hoopa to Bair's); Northern Coast Ranges, Hoopa Mt. 914 Comment
  HSC76236  Horkelia tridentata var. flavescens Denis Kearns 1981-7-6 83 Humboldt Near Mosquito Lake 1256 Comment
  CAS-BOT-BC537962  Horkelia tridentata var. flavescens J. D. Ackerman 1975-6-18 472 Humboldt Big Hill rd. ca. 10.4 mi. E. of Hoopa and Hwy. 96. Comment
  UCSB13143  Hosackia crassifolia Breedlove, Dennis 1961-7-4 Humboldt 2.5 mi. E of the Mad River bridge on U.S. 299 426 Comment
  SEINET958139  Hosackia pinnata J. P. Tracy 1937-1 15375 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC64261  Hydrophyllum fendleri var. albifrons J. O. Sawyer, M. A. Ericksen 1979-6-23 3395 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  JEPS1639  Hydrophyllum tenuipes Joseph P. Tracy 1937-7-25 15538 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  HSC56966  Hypericum anagalloides Walter Overton, Butler 1979-7-23 9489 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  UC275343  Hypericum anagalloides Joseph P. Tracy with H. E. Parks 1924-8-3 6757 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC1137468  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
Read comments
Sep 12 2009
  UC420732  Hypericum perforatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5715 Humboldt Hoopa Valley North Coast Ranges, Hoopa Valley Comment
  HSC13845  Hypericum perforatum J. R. Lippincott 1967-7-16 6 Humboldt Near N Fork Mad River bridge 152 Comment
  CAS-BOT-BC311437  Hypochaeris radicata Huron H. Smith 1911-6-17 3368 Humboldt Samoa Comment
  HSC40958  Hypochaeris radicata Linda M. Barker 1976-9-3 1692 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UCSB30595  Hypochaeris radicata Edwards, David 1974-7-13 Humboldt In the NE corner of a field located to the SW of the intersection of Fickle Hill Rd. and Hill St., ca. 1/3 mi. E. of U.S. 101, Arcata 36 Comment
  CAS-BOT-BC206842  Iliamna latibracteata Joseph P. Tracy 1938-8-14 16104 1/2 Humboldt Willow Creek Canyon, along Trinity Highway 762 Comment
  JEPS67378 Image available Iliamna latibracteata Joseph P. Tracy 1939-7-23 16350 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
  HSC102642  Ipomopsis aggregata subsp. aggregata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 964 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC82389  Ipomopsis aggregata subsp. aggregata Thomas W. Nelson 1979-7-11 5029 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  JEPS3745  Iris Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez and S. Carlquist 1951-6-14 3414 Humboldt just below Snow Camp Mountain, about Snow Camp meadow, ridge between Mad River and Redwood Creek (Bald Mountain ridge) 1432 Comment
  CHSC68561  Iris douglasiana Vernon H. Oswald 1997-4-29 8355 Humboldt Humboldt Bay NWR, Hookton Slough Trail on the levee along the south side of Hookton Slough. 0 Comment
  UC667112  Iris douglasiana Joseph P. Tracy 1935-6-23 14001 Humboldt e of Orick (Bald Hills Road) 609 Comment
  CDA33248  Iris purdyi Gordon Leppig 1998-6-1 867 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  RSA135935  Iris purdyi Lee W. Lenz, E. K. Balls 1952-5-12 17193 Humboldt 0.5 mile west of Bridgeville, 23.7 miles east and southeast from Alton along Highway 36 Comment
  CHSC32902  Iris tenax subsp. klamathensis T. Jimerson; J. Pageau 1979-5-9 450 A Humboldt In old clear cut on Forest Road 12N20, 1.5 mi. west of its junction with F. R. 15N01 ( G. O. Road). Orleans. Just west of serpentine balds. 792 Comment
  HSC45310  Iris tenax subsp. klamathensis R. York 1978-5-11 166 Humboldt Along logging road 4.5 mi. from Orleans 640 Comment
  HSC65229  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-5-1 444 Humboldt 3.6 mi. N of Orleans on FS Rd. 15N01 Comment
  HSC67160  Iris tenuissima J. P. Smith, J. O. Sawyer 1973-5-12 6669 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  CAS-BOT-BC112455  Isolepis cernua Joseph Prince Tracy 1938-6-16 15942 Humboldt Wet slopes within reach of ocean spray, Trinidad. 3 Comment
  HSC7448  Isolepis cernua D. E. Anderson 1961-9-3 1780 Humboldt Along Hwy. 101 Comment
  HSC48793  Isolepis setacea Brad Klipfel 1974-5-11 342 Humboldt SW side of Big Lagoon Comment
  RSA181881  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River. 3 Comment
  UC275455  Jaumea carnosa Joseph P. Tracy 1927-8-2 7222 Humboldt Big Lagoon Northern Coast Range 6 Comment
  RSA54121  Juncus bolanderi Henry M. Pollard 1945-8-25 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon. Comment
  UCD170802  Juncus breweri Gordon Leppig 1998-6-14 833 Humboldt Mackerricher State Park. Ingelnook Fen just north of Fen. 6 Comment
  UC184195  Juncus bufonius Joseph P. Tracy 1914-7-5 4573 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  RSA168857  Juncus capitatus Joseph P. Tracy 1948-6-13 18045 Humboldt Dobbyn Creek; At the former Will Perry Place. 152 Comment
  HSC97983  Juncus covillei Cara Witte 2007-7-11 496 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 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
  POM126146  Juncus ensifolius Joseph P. Tracy 1924-7-13 6732 Humboldt Big Lagoon. 6 Comment
  UC1152105  Juncus exiguus Joseph P. Tracy 1930-7-17 8982 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC1103053  Juncus falcatus var. falcatus J. P. Tracy 1901-8-7 1273 Humboldt opposite Eureka (Sand Hills of Ocean Beach); Samoa Comment
  HSC76531  Juncus laccatus Michael Ericksen 1981-8-21 1088 Humboldt Near Dan East Cabin 1609 Comment
  HSC67453  Juncus laccatus J. P. Smith, Steve Selva 1970-6-30 4124 Humboldt Comment
  HSC14029  Juncus lescurii C. B. Wolf 1927-8-29 1205 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC38189  Juncus lescurii Peter Sorensen 1976-7-14 Humboldt N spit Comment
  HSC90686  Juncus lescurii Gail Newton 1982-5-31 3553 Humboldt Elk River Wildlife Area, Eureka Comment
  POM203238  Juncus occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  HSC14075  Juncus oxymeris D. E. Anderson 1965-9-5 4089 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  RSA126572  Juncus patens H. S. Yates 1936-6-23 5858 Humboldt 2 miles southeast of mouth of Mad River. 305 Comment
  RSA183598  Juncus saximontanus D. E. Anderson 1965-9-5 4089 Humboldt Along Mad River, ca. 3 miles south of Blue Lake. Comment
  HSC56954  Juncus xiphioides Overton, Butler 1979-7-23 9463 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC56961  Juncus xiphioides Overton, Butler 1979-7-23 9475 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  UC562742  Kalmia polifolia subsp. microphylla Joseph P. Tracy 1935-7-26 14261 Humboldt Trinity Summit, at Water Dog Lakes Water Dog Lakes; Trinity Summit, Water Dog Lakes 1828 Comment
  CAS-BOT-BC235880  Keckiella corymbosa Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove Comment
  RSA167236  Keckiella corymbosa Joseph P. Tracy 1950-8-20 19315 Humboldt On rock ledges at Ishi-pishi Falls west side of Klamath River opposite mouth of Salmon River. Comment
  RSA79773  Keckiella corymbosa F. W. Peirson 1926-7-13 7060 Humboldt Mad River, near Blue Lake. Comment
  UC1193337  Keckiella corymbosa P. Zinke 184 Humboldt 300 yds nw of summit King Peak 1249 Comment
  HSC76253  Keckiella lemmonii Denis Kearns 1981-7-21 294 Humboldt Near Whiteys Peak 1585 Comment
  HSC70569  Kelloggia galioides M. A. Baker 1980-7-23 3164 Humboldt Near Orleans Mtn. 1859 Comment
  RSA246668  Kickxia elatine Robert F. Thorne, Percy C. Everett 1965-8-8 35262 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UC1103696  Koeleria macrantha Joseph P. Tracy 1934-6-19 13233 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  UC1103697  Koeleria macrantha Joseph P. Tracy 1917-6-17 4819 Humboldt near Eureka (Bluff at Ocean View Cemetary); Northern Coast RAnges 0 Comment
  UC1132146  Koeleria macrantha H. S. Yates 1936-6-17 5699 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad., lower nw slope Buck Mountain Comment
  UC552313  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  UC1223228  Lactuca serriola Joseph P. Tracy 1949-8-8 18403 Humboldt at Willow Creek (Frank Graham's orchard); Trinity River Valley 152 Comment
  HSC14214  Lamium purpureum S. J. Roberts 1965-4-10 26 Humboldt Dike of old Mad River channel Comment
  HSC77913  Landoltia punctata Daniel V. Richards 1980-5-25 101 Humboldt N Clam Beach Pond, E side of Hwy. 101, near Cranell exit. Comment
  CAS-BOT-BC337990  Lasthenia californica Carl B. Wolf 1937-6-14 8812 Humboldt North Coast Range, Kneeland Prairie 822 Comment
  CDA18209  Lasthenia californica G. D. Barbe, T. C. Fuller 1974-6-17 1836 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  CAS-BOT-BC352931  Lasthenia glaberrima Joseph P. Tracy 1908-6-7 2619 Humboldt Butler Valley 152 Comment
  HSC26362  Lasthenia maritima T. O. Osborne 1970-4-5 88 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC26359  Lasthenia maritima T. O. Osborne 1970-6-18 47 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  UC198586  Lasthenia maritima Joseph P. Tracy 1917-5-30 4810 Humboldt at mouth of Little River (stranded on ocean beach, source unknown); Northern Coast Ranges Comment
  JEPS55292  Lathyrus lanszwertii var. tracyi Jos. P. Tracy 1918-5-26 4943 Humboldt Janes Ranch Grouse Mt.; Janes Ranch, Grouse Mt., Humboldt Co. 914 Comment
Read comments
Jun 2 2013
  HSC102562  Lathyrus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1549 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC14751  Lathyrus nevadensis var. nevadensis D. E. Anderson 1962-5-1 2203 Humboldt 1 mi. W of Hoopa Comment
  SBBG3360  Lathyrus polyphyllus H. and M. Dearing 1933-5-16 825 Humboldt near Weott Comment
  SEINET956147  Lathyrus polyphyllus Joseph P. Tracy 1948-1 18118 Humboldt In fir forest, 1.5 miles north of Forest Service Public Camp on Trinity Summit Road. 1280 Comment
  HSC89576  Lathyrus sphaericus K. Grenier, Leonel Arguello 1989-6-20 354 Humboldt Child's Hill Prairie, along Bald Hills Rd., next to Stagecoach. Comment
  HSC14756  Lathyrus torreyi Lincoln Constance 1934-5-24 633 Humboldt S Fork Eel River, bordering lower Look Prairie on E. side 122 Comment
  UC15357  Lathyrus torreyi H. N. Bolander 1867-1 6506 Humboldt Shelter Cove Comment
  HSC59240  Lathyrus vestitus subsp. bolanderi Clark L. Miller 1978-5-13 5125 Humboldt 2 mi. N of Trinidad State Park. Comment
  SD53195  Lathyrus vestitus var. vestitus Darley F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on Hwy 101 60 Comment
  HSC15978  Lavatera cretica D. E. Anderson 1962-10-22 2341 Humboldt Samoa Comment
  HSC48775  Layia carnosa Brad Klipfel 1975-5-22 624 Humboldt Near city of Eureka airport S of Samoa Comment
  UC127639  Layia gaillardioides J. Burtt Davy 1899-7-30 6192 Humboldt Comment
  UC1101319  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-8-9 1225 Humboldt 1 mi n of Arcata (at junction of Highways 101 and 299, Mad River Valley); Mad River Valley Comment
  CHSC52000  Leontodon saxatilis subsp. saxatilis J. P. Smith 1971-10-6 4966 Humboldt Dunes at the end of Murray Road in McKinleyville. Comment
  HSC90241  Leontodon saxatilis subsp. saxatilis Jean Hanson 1980-5-24 64 Humboldt Indian (Gunther) Island in Humboldt Bay, city of Eureka, W end of island, S of dike Comment
  UC1199166  Lepidium strictum Joseph P. Tracy 1948-5-31 18011 Humboldt Alder Point 304 Comment
  UCD115837  Lepidium strictum Joseph P. Tracy 1946-5-4 17433 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  SBBG64597  Leptosiphon androsaceus V. Duran 1933-5-10 3403 Humboldt near Blocksburg Comment
  HSC45831  Leptosiphon androsaceus J. P. Smith, J. O. Sawyer 1973-5-12 6685 Humboldt 3.8 mi. from Redwood Creek on Hoopa road Comment
  RSA44412  Lessingia nemaclada H. M. Pollard 1948-8-3 s.n. Humboldt Orleans Comment
  UC1115822  Lessingia nemaclada Joseph P. Tracy 1939-9-4 16476 Humboldt opposite Buck Mountain (Dinsmores); Valley of Van Duzen River 762 Comment
  UC963848  Leucanthemum vulgare H. E. Parks and S. T. Parks Aug 1943 24257 Humboldt Spruce Cove; Trinidad 60 Comment
  UCR122365  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2001-7-8 6977 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
  HSC67026  Leucanthemum vulgare J. P. Smith 1970-6-7 3803 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC97992  Leucanthemum vulgare Cara Witte 2007-7-9 462 Humboldt Along Forest Service Road 4N32. 1/4 mile west of intersection with 5N04 1508 Comment
  UCD134127  Leucanthemum vulgare Lincoln Constance 1934-6-6 827 Humboldt Bull Creek Region, South Fork Eel Rive, Fire Trail, Dyerville to Horse Prairie and return. Comment
  HSC102512  Lewisia triphylla M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1498 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  SEINET200646 Image available Leymus X vancouverensis J. P. Tracy 1930-1 8894 Humboldt Cape Mendocino; near open shore, south of point of the Cape. Comment
  SEINET7292880 Image available Leymus vancouverensis Malcolm A. Nobs, S. Galen Smith 1949-1 1204 Humboldt Humboldt Bay, ca. 2 miles north of Eureka Comment
  CAS-BOT-BC436492  Ligusticum apiifolium Ira L. Wiggins 1930-7-22 4692 Humboldt Along Redwood Creek between Blue Lake and Wilow Creek Comment
  HSC102118  Ligusticum grayi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1022 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC76435  Lilium bolanderi Denis Kearns 1981-6-24 25 Humboldt Near Cedar Camp 1219 Comment
  UC640274  Lilium columbianum H. and M. Dearing 1939-6-23 3698 Humboldt 5 mi n Trinidad Comment
  CAS-BOT-BC508390  Lilium columbianum V. Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  CAS-BOT-BC130643  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  UC666956  Lilium pardalinum Joseph P. Tracy 1937-7-24 15533 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  RSA12542  Lilium pardalinum Carl B. Wolf 1934-7-2 5896 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC666951  Lilium pardalinum Joseph P. Tracy 1930-7-17 8999 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC77937  Lilium pardalinum subsp. vollmeri D. K. Imper 1982-7-23 1495 Humboldt Near Onion Lake. 1371 Comment
  JEPS99290  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt near Dinsmore (Van Duzen River) 730 Comment
  CAS-BOT-BC133009  Lilium washingtonianum subsp. purpurascens Miss. M. Meinecke 1926-5-30 s.n. Humboldt Orleans Bar, on Klamath R. Comment
  CAS-BOT-BC133013  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-7-2 969 Humboldt Bug Creek, Buttes 1219 Comment
  HSC45598  Limnanthes douglasii subsp. nivea Diane L. Reed 1978-5-27 131 Humboldt Horse Mtn., Titlow Hill Rd., 2.7 mi. from Hwy. 299 Comment
  JEPS19584  Limnanthes douglasii subsp. nivea Joseph P. Tracy 1937-6-20 15346 Humboldt ten mi upstream from mouth; Bear River 152 Comment
  HSC22526  Limonium californicum Wm. F. Bowman 1968-11-9 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  UC1198545  Linanthus bolanderi Joseph P. Tracy 1911-7-7 3393 Humboldt 2 mi nw junction of Willow Creek with Trinity River (near the Beebe's Ranch) 914 Comment
  SBBG66372  Linaria vulgaris S. W. Hutchinson -Jun-1925 Humboldt beyond Eureka Comment
  HSC59068  Linum bienne Thomas Wood 1979-5-18 193 Humboldt Arcata, adjacent and N of 2900 Janes Rd. 9 Comment
  JEPS8444  Listera caurina Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3415 Humboldt ridge between Mad River and Redwood Creek; Snow Camp, Bald Mountain ridge 1432 Comment
  HSC36649  Listera cordata var. nephrophylla J. D. Ackerman 1975-6-4 445 Humboldt 4 mi. E of Hwy. 101 on Bald Hills Rd., Redwood National Park 335 Comment
  CAS-BOT-BC36147  Lithocarpus densiflorus var. densiflorus Doris K. Kildale 1926-7-25 2438 Humboldt Briceland Bridge. 1/2 mile west of Gaberville 114 Comment
  JEPS81092  Lithocarpus densiflorus var. densiflorus Thomas W. Nelson and Jane P. Nelson 1978-2-5 3760 Humboldt Kneeland; e side of junction of Kneeland and Maple Creek roads 670 Comment
  UC154055  Lithophragma affine Joseph P. Tracy 1908-6-9 2659 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC31443  Lithophragma campanulatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5561 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC97180  Lithophragma campanulatum Benjamin Hart, Erin Lonergan 2007-6-13 10 Humboldt 1 mi. E of USFS Rd. NF1 on 5N04 1524 Comment
  HSC48747  Lithophragma heterophyllum Brad Klipfel 1973-6-10 86 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC73961  Lithophragma heterophyllum Gail Newton 1980-6-7 130 Humboldt Near Brush Mtn. 1128 Comment
  JEPS79924  Lobularia maritima Joseph P. Tracy 1940-10-5 16750 Humboldt near beach on isthmus leading to Trinidad Head Trinidad 3 Comment
  CAS-BOT-BC283404  Lolium multiflorum W. R. Dudley 1899-6-19 s.n. Humboldt Shady run, Scotia Comment
  HSC100489  Lolium perenne Carl C. Marshall Jun 1886 226 Humboldt Near Arcata. Comment
  UCD66464  Lolium perenne Al Murphy 1948-10-1 Humboldt Ft. Seward. Comment
  HSC90681  Lolium perenne Gail Newton 1982-6-10 3590 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC70992  Lomatium californicum Gail Newton 1980-7-15 1575 Humboldt Near Sims Mtn. 1311 Comment
  HSC26274  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson 1971-5-31 455 Humboldt Dry bar of the Mad River Comment
  HSC39199  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson, J. P. Smith 1971-7-6 1323 Humboldt 2 mi. E of Pine Ridge Summit Comment
  HSC74284  Lomatium macrocarpum M. A. Baker 1980-7-11 2784 Humboldt Near Red Mtn. 1341 Comment
  HSC74396  Lomatium macrocarpum Gail Newton 1980-6-28 720 Humboldt Near Mad River Butte. 1536 Comment
  HSC97413  Lomatium macrocarpum Griswold, Butler 1979-7-10 6230 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC47609  Lomatium utriculatum J. P. Smith 1977-4-23 9025 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  UC642350  Lomatium utriculatum Joseph P. Tracy 1930-6-29 8814 Humboldt lower foothills of its n.w. slope Buck Mt. 762 Comment
  JEPS13668  Lonicera conjugialis W. L. Jepson July 16 - 23, 1902 2036 Humboldt Trinity Summit 2133 Comment
Read comments
Apr 8 2012
  CAS-BOT-BC240476  Lonicera hispidula Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  SD88513  Lonicera involucrata Darley F. Howe 1972-6-30 Humboldt Trinidad Comment
  CHSC68491  Lonicera involucrata var. ledebourii Vernon H. Oswald 1997-4-10 8319 Humboldt Road paralleling Hwy 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  LA205885  Lonicera involucrata var. ledebourii H. Lewis; 1940-6-3 sn Humboldt Dry Lagoon Beach State Park, edge of lagoon Comment
  SBBG69582  Lonicera involucrata var. ledebourii S. W. Hutchinson -Apr-1927 91 Humboldt near Eureka 8 Comment
  UCD137387  Lonicera involucrata var. ledebourii Joseph P. Tracy 1943-3-21 17413 Humboldt Alton, along Van Duzan River. 30 Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  HSC59116  Lotus corniculatus Terry Roth 1979-5-29 94 Humboldt Arcata, corner of Alliance and Foster Rds. Comment
  HSC99573  Lotus crassifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 238 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
  POM16960  Lotus crassifolius Joseph P. Tracy 1905-9-3 2389 Humboldt Immediate vicinity of Eureka. Comment
  HSC98876  Lotus crassifolius var. crassifolius Cara Witte 2008-7-25 928 Humboldt Horse Mountain Botanical Area. At intersection of 6N36B and Forest Service Road 6N36A. 1355 Comment
  UC1223404  Lotus denticulatus Joseph P. Tracy 1934-6-23 13254 Humboldt near Blue Lake; Mad River 15 Comment
  UC1197308  Lotus humistratus Joseph P. Tracy 1931-5-3 9354 Humboldt near Blue Lake; Northern Coast Region, Mad River 15 Comment
  JEPS55745  Lotus purshianus var. purshianus Lincoln Constance 1934-5-26 667 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  JEPS55790  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6271 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC1223408  Lotus yollabolliensis Joseph P. Tracy 1933-7-16 12798 Humboldt near McKay Camp (near the top of South Fork Mountain); South Fork Mountain 1676 Comment
  CAS-BOT-BC201193  Lupinus L. R. Abrams 1922-6-25 8235 Humboldt 2 mi south of Fortuna Comment
  SEINET12154367  Lupinus andersonii J. P. Tracy 1949-1 18433 Humboldt Trinity Summit. on rd from Hoopa to Box Camp nr rd to "Big Hill" turns off Comment
  CSUSB1636  Lupinus arboreus Susan Thompson 1967-7-23 Humboldt Trinidad, California 15 Comment
  HSC14780  Lupinus arboreus D. A. Haskell 1966-4-23 28 Humboldt Near the town of Samoa Comment
  HSC2122  Lupinus arboreus C. B. Wolf 1927-8-29 1209 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  UC1716061  Lupinus arboreus M. S. Taylor 1990-8-22 6070 Humboldt Samoa Recreation Area, Samoa Peninsula, Staging Area Eureka Comment
  RSA407031  Lupinus arboreus var. arboreus Bonnie C. Templeton 1964-6-13 10091 Humboldt Samoa, west of Arcata. Comment
  HSC95546  Lupinus bicolor Andrea Pickart 2002-5-20 106 Humboldt Manila Dunes, near Manila Community Services District treatment area 15 Comment
  UC503008  Lupinus bicolor Joseph P. Tracy 1932-5-1 9890 Humboldt vicinity Garberville; Northern Coast Ranges, vicin of Garberville 121 Comment
  SEINET6932626 Image available Lupinus bicolor Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC8425  Lupinus constancei T. W. Nelson; J. P. Nelson 1982-7-9 7079 Humboldt Blocksburg Quadrangle. Mt. Lassic (Signal Peak) and saddle to east. Comment
  CAS-BOT-BC205381  Lupinus elmeri Joseph P. Tracy 1930-7-16 8954 Humboldt South Fork Mountain; open glades along summit near Blake lookout 1737 Comment
  SEINET12165812  Lupinus formosus J. T. Vale 1988-1 s.n. Humboldt nr Honeydew Comment
  HSC31819  Lupinus latifolius Donald Spalinger 1974-4-25 24 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  HSC48616  Lupinus latifolius Mark Flippo 1978-5-29 93 Humboldt MKinleyville, Bella Vista Rd. Comment
  UC1776379  Lupinus latifolius var. latifolius R. Spellenberg 1990-7-9 Humboldt Extreme E edge county, 14 air mi. SW of Burnt Ranch, 14 mi S of Calif Hwy 299 and Berry Summit on USFS Rd. 1, on Pilot Ridge. 1371 Comment
  UC205470  Lupinus latifolius var. latifolius Joseph P. Tracy 1919-5-31 5174 Humboldt along Willow Creek ((Tributary of Trinity River) near its mouth); Northern Coast Ranges, Willow Creek (trib. of Trinity River) 152 Comment
  JEPS65077  Lupinus lepidus var. sellulus Joseph P. Tracy 1918-7-5 5021 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  UC774981  Lupinus luteolus Carl B. Wolf 1937-8-12 9211 Humboldt on road to Kneeland 20 mi n Bridgeville; North Coast Range 457 Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  UC502999  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1932-7-14 10558 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  HSC14893  Lupinus rivularis S. S. Stutz 1963-4-28 32 Humboldt 7 mi. SE of Arcata, on Fickle Hill Rd. Comment
  HSC39785  Lupinus rivularis Peter Sorensen 1976-5-29 Humboldt King Salmon Comment
  HSC49993  Lupinus sellulus var. artulus M. A. Baker 1979-6-7 791 Humboldt Telescope Peak 1250 Comment
  HSC40967  Luzula comosa Linda M. Barker 1976-6-14 1596 Humboldt 3 mi. W of Arcata, Lanphere Dunes Comment
  HSC49098  Luzula comosa J. O. Sawyer 1977-4-23 2838 Humboldt Along Bald Hills Rd. E of Hoopa Comment
  HSC61636  Luzula comosa Ruby Van Deventer 1959-6-29 Humboldt Humboldt-Del Norte county line, Onion Lake 1220 Comment
  HSC99587  Luzula parviflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 252 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC102061  Luzula parviflora subsp. parviflora M. R. Mesler, Robin Bencie, K. A. Wayman 2011-7-12 1162 Humboldt Patterson Meadows 1566 Comment
  RSA245025  Lycopodiella inundata D. E. Anderson 1963-9-6 2808 Humboldt Big Lagoon Sphagnum Bog Comment
  RSA20816  Lycopodium clavatum C. B. Wolf 1937-9-10 9314 Humboldt 3.4 miles E of Trindad at hammond Lumver Co. s Camp 20 (abandoned) 152 Comment
  OBI1067  Lycopodium clavatum Lawrence L. Kiefer 1964-5-20 1435 Humboldt Near Trinidad, one mile E of Moonstone Beach on Kuntz property 91 Comment
  CHSC84688  Lysichiton americanus L. P. Janeway 2003-7-27 7927 Humboldt North Coast. Edge of marsh on south side of southwest end of Hwy 101 causeway across Big Lagoon. 2 Comment
  UCD138077  Lysichiton americanus Linda M. Barker 1976-3-11 1321 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC25657  Lysichiton americanus Mike Silbernagle, Dennis Knuckles 1972-10-12 5826 Humboldt McKinleyville, field bounded by N Central, Norton Rd. and Dow's Prairie Rd. Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  POM68322  Lysichiton americanus Marcus E. Jones 1924-05 s.n. Humboldt Scotia. [county not specified] Comment
Read comments
Dec 31 2015
  HSC43203  Lythrum hyssopifolia R. Sutherland 1976-8-13 17 .13876 Humboldt Gravel bar in Redwood Creek in Redwood grove. 87 Comment
  HSC49359  Lythrum hyssopifolia R. York 1979-5-18 302 Humboldt Along railroad tracks near the Arcata Redwood office along Hwy. 101 between Arcata and Eureka. Comment
  HSC34699  Madia elegans Thomas W. Nelson 1974-8-24 1704 Humboldt Klamath River ca. 2 mi. below the mouth of Aikins Creek Comment
  SEINET11810577  Madia elegans J. P. Tracy 1947-1 17827 Humboldt Horse Mountain 1067 Comment
  UC89451  Madia elegans unknown Humboldt Jarnigans Comment
  CAS-BOT-BC343017  Madia gracilis Joseph P. Tracy 1937-7-29 15596 Humboldt South Fork Mountain. West slope near top, at Hyampom Trail 1676 Comment
  HSC99542  Madia gracilis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 207 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA89891  Mahonia nervosa E. K. Balls, P. C. Everett 1953-10-13 18655 Humboldt 17.4 mi. E of jct Hwys 101 and 299 above Blue Lake. 274 Comment
  SEINET3992052  Maianthemum bifolium H. E. Parks 1932-5-1 Humboldt Bishop Pine Lodge Comment
  SBBG58753  Maianthemum dilatatum L. Rowntree -Jul-1931 Humboldt Carlotta Comment
  JEPS79931  Maianthemum dilatatum Joseph P. Tracy 1926-4-25 7414 Humboldt Grizzly Creek on Van Duzen R. Northern Coast Ranges, Van Duzen R., Grizzly Creek 91 Comment
  CAS-BOT-BC511452  Maianthemum racemosum subsp. amplexicaule Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC511456  Maianthemum racemosum subsp. amplexicaule Joseph P. Tracy 1932-7-12 10463 Humboldt Trinity Summit, ridge east of Coral Prairie 1828 Comment
  HSC40874  Maianthemum racemosum subsp. amplexicaule Thomas W. Nelson 1976-7-9 3005 Humboldt S of Mt. lassic 1707 Comment
  UC535702  Malacothrix floccifera Eleanor Armstrong 1934-8-24 1191 Humboldt Richardson Grove 121 Comment
  HSC98706  Malacothrix floccifera Cara Witte 2007-7-24 572 Humboldt Ammon Ridge Road. 4 miles east of intersection with National Forest 1. 1462 Comment
  CAS-BOT-BC140140  Malus fusca Doris K. Kildale 1928-9-10 6715 Humboldt Big Lagoon - south end of Comment
  UC555510  Malus fusca H. L. Mason 1932-7-21 7101 Humboldt Big Lagoon Comment
  UCD116540  Malva verticillata Paul Holzberger 1981-8-24 s.n. Humboldt 1251 Williams Street, Eureka. Comment
  HSC23743  Marah oregana Tim Baroni 1971-7-6 122 Humboldt About 5 mi. S of Ferndale on the Mattole Rd. Comment
  SDSU5797  Marah oregana D. F. Howe 1961-8-1 3116 Humboldt 3.3 miles north of Trinidad on #101. Comment
  UC168955  Marah oregana Joseph P. Tracy 1904-7-17 2120 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC98388  Medicago lupulina Jana Kattenhorn 1970-10-28 144 Humboldt Mad River Bottoms, N Bank off Essex, off Hwy. 299 Comment
  UC1103429  Medicago polymorpha Joseph P. Tracy 1934-3-25 13169 Humboldt Blue Slide Van Duzen River 91 Comment
  UC162809  Medicago polymorpha J. P. Tracy 1909-8-15 3076 Humboldt Immediate vicinity of Eureka 0 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
  UC1145138  Melica californica Joseph P. Tracy 1943-5-9 17418 Humboldt Willow Creek Trinity River Valley (Trinity River Valley) 152 Comment
  UC1145139  Melica harfordii Joseph P. Tracy 1941-6-15 16913 Humboldt near King's Peak (Wilder Ridge); Wilder Ridge 609 Comment
  CAS-BOT-BC262471  Melica subulata Joseph P. Tracy 1933-7-26 12910 Humboldt North Coast Ranges. Grouse Mountain 1524 Comment
  HSC102218  Melica subulata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1134 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC10331  Melica subulata DWC 1956-4-27 Humboldt Mattole area. Comment
  HSC14998  Melilotus albus D. K. Smith 1968-2-2 5 Humboldt On the bank of Crannell Rd. past the bridge Comment
  HSC15010  Melilotus albus Paul Shields Aug 1955 Humboldt 2 mi. N of Weott Comment
  HSC26919  Melilotus albus Brad Klipfel 1973-7-30 218 Humboldt Samoa Rd., near Mad River Slough Comment
  UC1225834 Image available Mentha aquatica Joseph P. Tracy 1943-11-14 17451 Humboldt 2 mi s Field's Landing (along edges of foothills); s of Field's Landing 6 Comment
  JEPS63463  Mentha canadensis Milo S. Baker 1923-8-4 178 Humboldt swamp s end Stone Lagoon; swamp s end of Stone Lagoon Comment
  UC154001  Mentha canadensis Joseph P. Tracy 1908-6 2930 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC577383  Mentha pulegium Joseph P. Tracy 1933-8-22 12985 Humboldt near Loleta; near Loleta 6 Comment
  UC213509  Mentha spicata Joseph P. Tracy 1919-9-14 5207 Humboldt borders Lack Pond (Trinity River Valley near Willow Creek); Northern Coast Ranges, Trinity River Valley nr Willow Creek 152 Comment
  UC577377  Mentha spicata Joseph P. Tracy 1925-8-16 7233 Humboldt Trinity River Valley, near the South Fork; Northern Coast Ranges, Trinity River Valley, near South Fork 182 Comment
  UC30121  Mentzelia dispersa Chestnut and Drew 1888-7-21 Humboldt S Fork Mt. Comment
  UC166483  Mentzelia laevicaulis var. laevicaulis Joseph P. Tracy 1908-6 2933 Humboldt Opposite Buck Mountain; Northern Coast Ranges,Valley of Van Duzen River 762 Comment
  UCR37537  Menziesia ferruginea L. P. Janeway 1983-5-3 258 Humboldt Community Forest Main Access Rd., east of HSU 168 Comment
  UC88381  Micropus californicus var. californicus W. W. Price 1890-6-30 Humboldt Mad River Comment
  UC1199451  Microseris laciniata subsp. laciniata Joseph P. Tracy 1933-7-26 12925 Humboldt s slope Grouse Mountain (towards low creek); North Coast Ranges, s slope Grouse Mountain 1219 Comment
  UC129386  Microseris laciniata subsp. leptosepala J. Burtt Davy 1899-6-22 5864 Humboldt Trinity Summit North Coast Ranges, Trinity Summit Comment
  UC582440  Microseris nutans Joseph P. Tracy 1935-7-27 14307 Humboldt McKay Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC349239  Microseris nutans E. B. Babcock 1932-6-25 405 Humboldt Humboldt-Trinity Counties, South Fork Mt. north slope 1828 Comment
  UC302189  Microseris nutans Joseph P. Tracy 1926-6-20 7620 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  SEINET178573  Microsteris gracilis Parks, Tracy 1930-5-25 0795 Humboldt Laribee Valley 792 Comment
  JEPS10232  Mimulus aurantiacus var. aurantiacus Lincoln Constance 1934-5-26 657 Humboldt s end Dyrville Bridge; South Fork Eel River, Bull Creek Region 45 Comment
  RSA245267  Mimulus aurantiacus var. aurantiacus C. L. Davidson 1967-7-7 20 Humboldt North Bank Rd Comment
  UCSB10373  Mimulus aurantiacus var. aurantiacus Parks, H.; Parks, S. 1951-6-1 Humboldt Along bay shore near landing, Trinidad Comment
  UC1196777  Mimulus cardinalis Joseph P. Tracy 1921-9-4 5955 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS4719  Mimulus dentatus Milo S. Baker 1923-7-16 16 Humboldt 3 mi e Eureka Comment
  UC1196792  Mimulus douglasii Joseph P. Tracy 1927-4-10 7892 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC198662  Mimulus douglasii Joseph P. Tracy 1915-5-20 4639 Humboldt Eureka Northern Coast Ranges Comment
  UC1196836  Mimulus grandis J. P. Tracy 1901-6-16 1139 Humboldt immediate vicinity Eureka (near Bucksport) 0 Comment
  HSC22498  Mimulus guttatus G. Ghatala 1967-7-18 6 Humboldt Comment
  UC673101  Mimulus guttatus Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16661 Humboldt head Willow Creek; Trinity Highway 762 Comment
  UC147915  Mimulus inodorus J. P. Tracy 1900-8-5 912 Humboldt immediate vicinity Eureka 0 Comment
  HSC56178  Mimulus primuloides G. L. Clifton 1979-8-1 12086 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC56037  Mimulus primuloides var. linearifolius G. L. Clifton, Griswold 1979-7-31 11602 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC1103333  Mimulus pulsiferae Joseph P. Tracy 1933-7-25 12834 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  SEINET202012  Minuartia cismontana J. P. Tracy 1948-6-13 18055 Humboldt Ridge top near Harris 914 Comment
  HSC104079  Minuartia decumbens S. Carothers 2001-6-4 Humboldt Six Rivers National Forest; Lassics Botanical Area, ridge off Rd. 1S11 1646 Comment
  CAS-BOT-BC388628  Minuartia douglasii Joseph P. Tracy 1941-6-15 16915 Humboldt Panther Gap, on the Bull Creek - Mattole Road 762 Comment
  CAS-BOT-BC433068  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt Klamath Mountains, Trinity Summit. Near Corral Prairie. 1524 Comment
  UC18805  Modiola caroliniana Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6176 Humboldt near Ferndale; North-Western California Comment
  UC673055  Modiola caroliniana Joseph P. Tracy 1940-10-18 16777 Humboldt Trididad 3 Comment
  UC1198328  Moehringia macrophylla Mrs. Emma N. Cathey 1939-4-16 Humboldt on Bull Creek-Mattole Road Panther Gap; , on Bull Creek-Mattole Road 762 Comment
  UC161044  Moehringia macrophylla Joseph P. Tracy 1908-6-8 2631 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC13618  Moehringia macrophylla J. Burtt Davy 1899-6-18 5619 Humboldt back Korbel (Bald Mt.); North Coast Ranges, , back of Korbel Comment
  UC229833  Mollugo verticillata Joseph P. Tracy 1921-10-16 5972 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC98984  Monardella sheltonii Cara Witte 2007-7-27 604 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1413 Comment
  HSC100506  Monardella villosa Carl C. Marshall Jun 1886 276 Humboldt Hoopa. Comment
  POM283164  Monardella villosa Lyman Benson 1928-7-12 476 Humboldt Weott Ranger Station. 61 Comment
  RSA0022796  Monardella villosa H. M. Pollard 1948-7-19 s.n. Humboldt Between Orleans and Van Fleet Ranch. Comment
  JEPS14830  Monotropa hypopitys W. L. Jepson 1902-6 1946 Humboldt woods near Green Pt. Ranch; Hupa Road Comment
  CAS-BOT-BC445163  Montia parvifolia Harley P. Chandler 1901-5-1 1261 Humboldt North Coast Ranges. Redwood Belt 152 Comment
  UC275280  Montia parvifolia Joseph P. Tracy 1923-6-20 6311 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC445160  Montia parvifolia Henry M. Pollard 1947-8-9 s.n. Humboldt South river road, south of Orleans Comment
  RSA322445  Montia parvifolia J. P. Smith 1973-5-26 6851 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  SEINET200834 Image available Muhlenbergia filiformis Doris Kildale Humboldt Trinity Summit. 1524 Comment
  UC1222233  Myosotis discolor Joseph P. Tracy 1942-6-15 17116 Humboldt Englewood Prairie Comment
  HSC3737  Myosotis discolor D. E. Anderson 1963-5-25 2490 Humboldt Ca. 1 mi. S of Capetown Comment
  HSC104051  Myosotis latifolia E. R. Fyer 2015-4-29 32 Humboldt Arcata Community Forest 166 Comment
  HSC35523  Myriophyllum aquaticum No Collector Humboldt W of Mckinleyville Comment
  HSC77873  Myriophyllum sibiricum Ted Jacobson 1975-11-3 Humboldt Stone Lagoon 0 Comment
  JEPS62076  Narthecium californicum Hilda W. Grinnell 1932-7-12 11 Humboldt below McKay Camp (S. Fork Mt.); S. Fork Mt. Comment
  JEPS69507  Navarretia capillaris Joseph P. Tracy 1932-7-10 10374 Humboldt Corral Prairie , Corral Prairie (Trinity Summit) 1584 Comment
  HSC99059  Navarretia capillaris Cara Witte 2007-7-8 436 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  HSC98609  Navarretia divaricata subsp. divaricata Cara Witte 2008-6-27 759 Humboldt Approximately 2 miles north-east of intersection 5N09 and Friday Ridge Rd. 1565 Comment
  UC908378  Navarretia divaricata subsp. vividior Joseph P. Tracy Jul 16 1930-Jul 19 1930 9065 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  JEPS70338  Navarretia intertexta Lincoln Constance 1934-5-27 697 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  UC60864  Navarretia intertexta Mrs. M. H. Manning Apr 1901 Humboldt Hupa Comment
  UC60875  Navarretia intertexta Harley P. Chandler Jun 1901 1542 Humboldt Klamath River North Coast Ranges 426 Comment
  UCD48693  Navarretia squarrosa John M. Tucker 1948-9-4 1862 Humboldt Beck's Ranch, Hydesville, Humboldt County, California. Comment
  UCSB30610  Navarretia squarrosa Edwards, David 1974-7-13 Humboldt open field to SW. of intersection of Fickle Hill Rd. and Hill St; ca. 1/3 mi. E. of U.S. 101, Arcata 36 Comment
  UC52878  Navarretia tagetina Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pum Comment
  CHSC19477  Nemophila heterophylla D. E. Anderson 1965-5-8 3650 Humboldt About 3 miles north of Willow Creek along road on east side of Trinity River. Comment
  HSC71063  Nemophila menziesii Thomas W. Nelson, Jane P. Nelson 1977-5-30 3397 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC32387  Nemophila menziesii var. atomaria Linda M. Barker 1974-5-11 183 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  UC249525  Nemophila menziesii var. atomaria Joseph P. Tracy 1922-4-30 6026 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, , nr Willow Creek 152 Comment
  UC562584  Nemophila menziesii var. atomaria Joseph P. Tracy 1932-5-1 9858 Humboldt Redway 182 Comment
  POM73962  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt Near Hydesville. 60 Comment
  HSC71171  Nemophila parviflora Thomas W. Nelson 1977-5-30 3416 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  UC1239748  Nemophila parviflora Joseph P. Tracy 1914-6-14 4510 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  HSC97499  Nemophila parviflora var. austiniae C. Witte 2007-5-21 50 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  JEPS12285  Nicotiana attenuata Joseph P. Tracy 1916-9-5 4763 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  CAS-BOT-BC60545  Noccaea fendleri subsp. californica Doris K. Kildale 1926-3-21 1581 Humboldt Kneeland Prairie - summit rock pile. 853 Comment
  CAS-BOT-BC60566  Noccaea fendleri subsp. glauca Thomas Nelson 1977-6-15 3437 Humboldt North Coast Ranges. Along old road to ski area. 1371 Comment
  HSC99041  Noccaea montana subsp. montana Cara Witte 2008-7-1 777 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  OBI14330  Notholithocarpus densiflorus var. densiflorus H. E. McMinn 1931-6-27 2542 Humboldt Summit above Weitepp; T & K river Comment
  CAS-BOT-BC400083  Nuphar polysepala Carl B. Wolf 1937-9-9 9309 Humboldt 1 mi. So. of Capetown on road to Cape Mendocino 91 Comment
  HSC100095  Oemleria cerasiformis J. P. Smith, & J. O. Sawyer 2010-3-22 12712 Humboldt Along Hwy. 36, E of Dinsmore. 780 Comment
  HSC18701  Oemleria cerasiformis J. L. Baker 1965-3-13 13 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  UC314582  Oenanthe sarmentosa Joseph P. Tracy 1924-9-28 6910 Humboldt Centerville Northern Coast Ranges, Centerville 6 Comment
  UCD127756  Oenanthe sarmentosa Collector Unknown 1932-7-1 s.n. Humboldt California Seed Lab. Comment
  HSC12756  Oenothera villosa subsp. strigosa M. J. Athey 1970-10-12 10 Humboldt Trinidad, at the entrance to Luffenholtz Beach parking lot Comment
  UC1196944  Oenothera wolfii Joseph P. Tracy 1927-7-24 8302 Humboldt 3 mi s point of cape (sw slopes fronting ocean); Northern Coast Ranges, Cape Mendocino 3 Comment
  HSC57979  Oreostemma alpigenum var. andersonii G. L. Clifton, Griswold 1979-7-31 11704 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1197454  Orobanche fasciculata Joseph P. Tracy 1908-6-7 2610 Humboldt Northern Coast Ranges. Butter Valley on Mad River. Comment
  UC1197133  Osmorhiza berteroi Joseph P. Tracy Jul 27 1908-Jul 30 1908 2738 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC646621  Osmorhiza occidentalis Joseph P. Tracy 1930-6-29 8810 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
  HSC16702  Oxalis oregana A. E. Inman 1962-5-25 Humboldt E bank of Mad River, W of Camp Bauer Comment
  HSC46169  Oxalis oregana J. P. Smith 1973-5-26 6852 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1103424  Oxalis oregana Joseph P. Tracy 1901-4-7 1006 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC59664  Oxalis oregana George Kirn 1977-10-3 Humboldt Vicinity of Jolly Giant Creek, 1/4 mi. E of HSU campus 46 Comment
  UC275339  Oxalis oregana Joseph P. Tracy 1923-4-8 6177 Humboldt Carlotta Northern Coast Ranges 60 Comment
  POM87947  Oxalis rubra L. R. Abrams 1922-6-25 8263 Humboldt Between Trinidad and Big Lagoon Comment
  HSC96576  Packera bolanderi var. bolanderi Gordon Leppig, Maralyn A. Renner 2005-6-7 2245 Humboldt Pacific Lumber Co. land, Redwood House Rd., Heley Creek Watershed 320 Comment
  RSA10050  Panicum capillare Joseph P. Tracy 1930-10-12 9207 Humboldt Eel River, Alton to Fortuna Comment
Read comments
Oct 2 2011
  HSC72396  Parentucellia viscosa J. P. Smith 1971-10-6 4980 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC90262  Parentucellia viscosa Jean Hanson 1980-5-24 75 Humboldt Indian (Gunther) Island in Humboldt Bay, city of Eureka, W end of island, S of dike Comment
  RSA249521  Paspalum distichum R. F. Thorne 1965-9-19 35459 -b Humboldt Freshwater Lagoon S. of Orick 3 Comment
  HSC56113  Paxistima myrsinites Gilbert Muth 1979-8-1 11880 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC104271  Pedicularis densiflora Samantha E. Andres 2016-3-14 1 Humboldt Along Hwy. 299, ~5 mi. W of Willow Creek 274 Comment
  SEINET11723019  Pellaea andromedifolia E. A. York 1990-1-10 2701 Humboldt USGS Redwood Field Station, Arcata Comment
  UCD137559  Pellaea andromedifolia Lincoln Constance 1934-6-4 813 Humboldt Bull Creek Region, South Fork Eel River. Comment
  SEINET3873313  Pellaea mucronata subsp. mucronata Thomas Nelson, James Nelson 1976-5-30 2612 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  CHSC33041  Penstemon anguineus Thomas Nelson; Jane Nelson 1976-7-1 2907 Humboldt The Lassics. Growing along east side of Red Lassic; beside rd. 1S07. 1676 Comment
  HSC55728  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-7-26 10200 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  HSC56314  Penstemon anguineus Walter Overton, Marvin Butler 1979-8-2 12651 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 Comment
  HSC70977  Penstemon deustus Gail Newton 1980-7-22 1678 Humboldt Near Devils Backbone 1554 Comment
  NY609835  Penstemon deustus var. suffrutescens J. P. Tracy 1935-7-28 14327 Humboldt Trinity Summit, head of Devil's Hole 1828.8 Comment
  RSA167237  Penstemon heterophyllus subsp. purdyi Joseph P. Tracy 1950-6-15 18782 Humboldt At the Jenk's Ranch, where not over sheeped, 7 miles N of Harris. Comment
  JEPS11368  Penstemon heterophyllus var. purdyi Lincoln Constance 1934-5-26 676 Humboldt s end of Dyerville Bridge Bull Creek Region, South Fork Eel River, Dyerville Bridge (South Fork Eel River, Bull Creek Region) 45 Comment
  HSC49982  Penstemon laetus subsp. sagittatus M. A. Baker 1979-6-7 782 Humboldt N bank of road to Snow Mtn. 610 Comment
  JEPS11633  Penstemon laetus var. sagittatus Joseph P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC585631  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
  UCR39809  Penstemon newberryi D. K. Imper 1984-6-6 s.n. Humboldt Slate Creek Butte 1372 Comment
  UC1245388  Penstemon newberryi var. berryi Joseph T. Gregory 1935-7-26 765 Humboldt rocks near Water Dog Lakes Trinity Summit 1828 Comment
  HSC99528  Penstemon procerus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 192 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  NY641286  Penstemon rattanii F. W. Pennell 1940-7-8 26105 Humboldt Kneeland 670.6 Comment
  UC1222779  Penstemon rattanii Joseph P. Tracy 1951-6-24 19533 Humboldt Cameron Hill , Cameron Hill (Kneeland Prairie) 762 Comment
  HSC1077  Pentagramma triangularis D. E. Anderson 1965-11-21 4170 Humboldt 3-4 mi. S of Weitchpec along rd. to Hoopa Comment
  SEINET12335253  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -275 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  CHSC57403  Pentagramma triangularis subsp. triangularis L. P. Janeway 1984-5-6 757 Humboldt Above Ishi Pishi Road, 1/2 mi northeast of Orleans. 137 Comment
  HSC102578  Perideridia gairdneri subsp. borealis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1565 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC32525  Perideridia kelloggii Thomas W. Nelson 1973-9-3 1126 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC76403  Perideridia kelloggii M. A. Ericksen 1981-8-21 1085 Humboldt Near Dan East Cabin 1609 Comment
  UC183948  Perideridia kelloggii Joseph P. Tracy 1912-8-3 3967 Humboldt Dinsmore's Ranch Northern Coast Ranges, valley of Van Duzen River (opposite Buck Mt.) 762 Comment
  HSC98755  Perideridia oregana Cara Witte 2007-7-27 602 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1560 Comment
  UC906662  Perideridia oregana Joseph P. Tracy 1949-8-11 18477 Humboldt 2-6 mi s from Grouse Mountain; Kinsey Ridge 1280 Comment
  HSC45468  Persicaria wallichii Thomas W. Nelson, M. Alcasas 1978-10-10 4555 Humboldt Off Hwy. 101 right-of-way N of HSU exit Comment
  UCR13417  Petasites palmatus T. Wetherwax 1973-4-1 730401- 2 Humboldt Old U.S. Hwy 101, just north of Myer's Flat. 152 Comment
  JEPS1441  Phacelia bolanderi W. L. Jepson 1932-7-26 16402 Humboldt Bull Creek Comment
  JEPS1446  Phacelia bolanderi Milo S. Baker 1923-7-10 1 Humboldt hwy s Garberville Comment
  JEPS1545  Phacelia corymbosa Joseph P. Tracy 1926-6-20 7624 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  HSC57193  Phacelia mutabilis Griswold, Butler 1979-7-11 6949 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC57214  Phacelia mutabilis Griswold, Butler 1979-7-12 7263 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC57408  Phacelia mutabilis G. L. Clifton, Griswold 1979-7-26 10163 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  UC1228236  Phacelia nemoralis subsp. oregonensis C. R. Bell 1951-5-4 1098 Humboldt bank below US Hwy 101 2.9 mi n Mendocino County line Comment
  UC577627  Phalaris aquatica H. S. Yates 1936-6-23 5857 Humboldt 2 mi se mouth of Mad River; Eureka Quad. Comment
  CAS-BOT-BC258965  Phalaris californica Joseph P. Tracy 1925-6-7 7085 Humboldt Lord-Ellis Road, on Bald Mt. 609 Comment
  UCD88758  Phalaris californica A. H. Murphy 1951-6-15 79 Humboldt 1 mile E of road junction Maple Creek and Kneeland Road, on Maple Creek Road. Comment
  UCD88767  Phalaris californica Joseph P. Tracy 1938-6-7 15861 Humboldt N side of Mad River, 1/2 mile E of bridge on Arcata - Blue Lake highway. 30 Comment
  LA97948  Philadelphus lewisii Jane Turner; Francis M. Ball 1962-7-10 SK&F- 1145 Humboldt East Fork Willow Creek Forest Camp, Six Rivers National Forest, highway 299 ca. 5 mi. W of Willow Creek 457 Comment
  UC183571  Philadelphus lewisii Joseph P. Tracy 1912-7-4 3722 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC250883  Phleum pratense Doris K. Kildale 1926-6-27 2202 Humboldt Laribee Valley 701 Comment
  HSC23102  Phleum pratense Norman Dennis 1965-6-19 131 Humboldt 0.25 mi S and 1.0 mi. E of junction of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 5 mi. SE of Kneeland 793 Comment
  HSC58537  Phleum pratense Overton, Butler 1979-7-23 9461 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  UC905634  Phlox adsurgens David D. Keck 1948-7-2 6003 Humboldt 0.25 mi w boundary of Six Rivers National Forest (8.6 mi w of Willow Creek, e of Berry's summit, e side of Rocky Ridge); Rocky Ridge 762 Comment
  HSC102090  Phyllodoce empetriformis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 993 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC90650  Phyllospadix scouleri L. Watson, J. Meninga Sep 1991 43 Humboldt Arcata, Mad River Slough and dunes Comment
  CAS-BOT-BC452022  Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Spruce Cove, Trinidad Comment
  UC203837  Physocarpus capitatus Joseph P. Tracy 1918-9-29 5114 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges 60 Comment
  CAS-BOT-BC73443  Picea sitchensis Doris K. Kildale 1927-5-14 3201 Humboldt Big Lagoon Comment
  CAS-BOT-BC73448  Picea sitchensis Ira L. Wiggins 1932-6-18 5870 Humboldt Hillside just north of mouth of Little River. Comment
  HSC95902  Picea sitchensis Will Ferrand 2002-4-28 40 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  SD51259  Picea sitchensis Darley F. Howe 1961-8-1 Humboldt 3 miles north of Arcata on Highway #101 Comment
  UCSB24019  Picea sitchensis Keefe, Joseph 1967-7-8 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 1 Comment
  CAS-BOT-BC73288  Pinus contorta W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula. Comment
  HSC1483  Pinus contorta R. I. Bonn 1965-5-9 46 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  UC1585370  Pinus contorta subsp. contorta R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 UCBG 15 Humboldt w of Eureka (0.5 km s of Hwy. 255 on New Navy Base Rd. on North Spit of Samoa Peninsula, unstabilized dune system); North Spit Samoa Peninsula 5 Comment
  HSC99046  Pinus jeffreyi Cara Witte 2008-6-15 754 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  CAS-BOT-BC73112  Pinus lambertiana Doris K. Kildale 1927-7-22 3831 Humboldt Lassecks Peaks, Coral Camp 1661 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
  CAS-BOT-BC136469  Piperia candida L. R. Abrams 1916-7-11 5986 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136533  Piperia candida Volney Rattan 1878-1-1 s.n. Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC48719  Pityopus californicus M. A. Baker 1979-6-8 807 Humboldt S side of Gan's Prairie. Bulk Collection 166 Comment
  UC1222225  Plagiobothrys bracteatus Joseph P. Tracy 1942-6-15 17139 Humboldt in mddy stream or mud South Fork of Eel River, Miranda Comment
  UC667003  Plagiobothrys bracteatus Joseph P. Tracy 1939-5-14 16287 Humboldt by spring Van Duzen Valley, Dinsmore's 731 Comment
  UC1876683  Plagiobothrys kingii var. harknessii Dean W. Taylor 1995-7-2 15189 Humboldt Sheldon National Antelope Refuge playa along Highway 140 at milepost 99 (road to Cedarville CA) Comment
  RSA80192  Plagiobothrys reticulatus Alice Eastwood, J. T. Howell 1937-6-23 4811 Humboldt Little Van Duzen River. Comment
  UC1222210  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-15 17115 Humboldt Englewood Prairie 91 Comment
  JEPS60974  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1918-7-5 5010 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  JEPS60979 Image available Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1903-5-22 1878 Humboldt Alder Point Flat Eel River Comment
  HSC100408  Plagiobothrys tenellus Carl C. Marshall Apr 1887 372 Humboldt Hoopa Valley. Comment
  UC1196145  Plantago erecta Joseph P. Tracy 1946-6-2 17553 Humboldt near Samoa; Humboldt Bay 6 Comment
  HSC104158  Plantago erecta Andrea Pickart 2002-4-3 35 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  HSC38396  Plantago erecta J. D. Ackerman 1975-6-10 459 Humboldt 1 mi. N of Samoa Blvd. and Samoa Bridge Rd., S of Manila near RR tracks, along Humboldt Bay Comment
  POM161948  Plantago hirtella var. galeottiana Joseph P. Tracy 1921-7-10 5849 Humboldt Big Lagoon. 6 Comment
  CDA6622  Plantago lanceolata T. C. Fuller 1962-8-6 9359 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  HSC16839  Plantago lanceolata W. R. Brigham 1962-5-3 23 Humboldt E of old Hwy. 101, N of Big Lagoon Rd. Comment
  HSC79455  Plantago lanceolata Kenneth Clark 1980-4-18 603 Humboldt Above Dead Man's Gulch near parking access 137 Comment
  RSA246721  Plantago major Robert F. Thorne, Percy C. Everett 1965-8-8 35233 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UC585995  Plantago subnuda Joseph P. Tracy 1933-6-6 12499 Humboldt Trinidad 3 Comment
  HSC48856  Platanthera dilatata var. leucostachys Brad Klipfel 1973-7-15 215 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC54017  Platanthera dilatata var. leucostachys Griswold, Butler 1979-7-12 7161 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC96482  Platanthera dilatata var. leucostachys Gordon Leppig 1997-6-19 443 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC55140  Platanthera sparsiflora G. L. Clifton, Griswold 1979-8-1 12021 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  JEPS49012  Platanthera sparsiflora Hilda W. Grinnell 1932-7-19 28 Humboldt boggy meadows near Camp McKay; So. Fork Mt. Comment
  HSC16799  Platystemon californicus P. N. Slattery 1963-4-27 42 Humboldt Clam Beach Comment
  HSC16800  Platystemon californicus Jack Rockwell 1962-5-4 49 Humboldt Lone Star Junction 549 Comment
  SFV18500  Platystemon californicus A. M. Deshais 2002-4-12 36 Humboldt Manila Dunes. Comment
  JEPS4805  Plectritis brachystemon Joseph P. Tracy 1933-5-20 12250 Humboldt Northern Coast Ranges, Mattole Valley Mattole Valley; Northern Coast Ranges, Mattole Valley 60 Comment
  UC176121  Plectritis congesta Joseph P. Tracy 1912-6-9 3652 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  UC176116  Plectritis congesta Joseph P. Tracy 1913-6-26 4348 Humboldt Northern Coast Ranges, Lower Foothills of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UCR45351  Plectritis congesta subsp. brachystemon Barry Silver 1986-4-23 540 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  UC1103803  Pleuropogon refractus Joseph P. Tracy 1926-5-22 7514 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  SEINET10602042  Pleuropogon refractus Harley P. Chandler Chandler 1107 Humboldt Bay. 15 Comment
  HSC10624  Poa annua E. W. Styskel 1964-4-12 65 Humboldt Corner of Center St. and Hwy. 101 in Rio Dell. Comment
  CAS-BOT-BC254715  Poa bolanderi Joseph P. Tracy 1930-7-16 8902 Humboldt South Fork Mountain: near McKay Camp 1676 Comment
  CAS-BOT-BC255029  Poa compressa Henry M. Pollard 1948-7-17 s.n. Humboldt Orleans Comment
  UC180497  Poa compressa Joseph P. Tracy 1913-7-20 4378 Humboldt at Berry Crossing Redwood Creek; Northern Coast Ranges 304 Comment
  CAS-BOT-BC255119  Poa confinis Joseph P. Tracy 1927-4-24 7947 Humboldt Eureka, near bay shore 9 Comment
  HSC10681  Poa confinis D. M. Thomson 1965-5-20 68 Humboldt 1.0 mi. S of Samoa. Comment
  HSC10686  Poa confinis J. P. Tracy, H. E. Parks 1927-4-24 7947 Humboldt Eureka near bay shore. 9 Comment
  UC187226  Poa confinis Joseph P. Tracy 1910-4-24 3123 Humboldt Ocean Beach Humboldt Bay; North Coast Region Comment
  UC589894  Poa douglasii H. S. Yates 1936-6-18 5725 Humboldt near mouth of Little River 4 Comment
  UC594152  Poa douglasii S. K. Harris 1936-6-15 3383 Humboldt Trinidad Head Comment
  OBI22114  Poa howellii Joseph P. Tracy 1949-6-6 18308 Humboldt Happy Camp Mtn (In Trinity Summit Range, 6 mi NE of Hawkins Bar.) Comment
  UC1103795  Poa howellii Joseph P. Tracy 1918-7-5 5035 Humboldt White Thorn Valley; Northern Coast Ranges 304 Comment
  CAS-BOT-BC255849  Poa kelloggii Joseph P. Tracy 1906-5-20 2463 Humboldt Near Eureka, region about Humboldt Bay 152 Comment
  HSC10722  Poa kelloggii E. W. Styskel 1963-4-20 17 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 305 Comment
  RSA183517  Poa kelloggii H. S. Logsdon 1964-5-10 7 Humboldt 4.0 miles N.E. of Orick at Boye's Prairie Comment
  UC1103184  Poa kelloggii J. P. Tracy 1901-6-16 1151 Humboldt immediate vicinity Eureka 0 Comment
  UC525620  Poa kelloggii Joseph P. Tracy 1926-4-25 7415 Humboldt on Van Duzen River Grizzly Creek; North Coast Ranges 91 Comment
  LA12560  Poa macrantha H. S. Yates; 1936-6-18 5726 Humboldt near mouth of Little River 4 Comment
  RSA92307  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, near ocean shore, south point of the Cape. 3 Comment
  SEINET13390783 Image available Poa pratensis A. G. Vestal 1937-6-22 s.n. Humboldt Comment
  HSC97611  Poa pratensis subsp. pratensis Cara Witte 2007-6-4 204 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  SEINET200627 Image available Poa scabrella Joseph P. Tracy 1912-7-31 395 Humboldt Buck Mountain,near the summit Comment
  HSC10789  Poa secunda subsp. secunda J. P. Tracy 1927-6-12 8143 Humboldt Horse Mtn. 1524 Comment
  HSC98597  Poa secunda subsp. secunda Cara Witte 2007-6-4 197 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC525666  Poa secunda subsp. secunda Joseph P. Tracy 1933-6-13 12602 Humboldt near summit Hoopa Mt (on rd from Hoopa westward to Bair's) 914 Comment
  HSC31788  Poa trivialis Donald Spalinger 1974-4-20 20 Humboldt Across from 1756 Ridgewood Dr. 122 Comment
  UC1103188  Poa trivialis Joseph P. Tracy 1938-6-17 15948 Humboldt 1 mi e Cape Mendocino (Cape Ridge) 304 Comment
  UC525618  Poa trivialis Joseph P. Tracy 1926-6-12 7590 Humboldt near Orick (at Davison's Ranch on Prairie Creek); North Coast Ranges 60 Comment
  UCD92116  Poa trivialis Collector Unknown 1949-6-1 s.n. Humboldt Miranda. Comment
  HSC10810  Poa unilateralis J. P. Tracy 1927-6-8 8113 Humboldt Trinidad 61 Comment
  CAS-BOT-BC232887  Polemonium carneum Carl B. Wolf 1937-6-17 8881 Humboldt Big Lagoon, S side at W of Redwood Highway 6 Comment
  RSA21204  Polemonium carneum C. B. Wolf 1937-8-10 9093 Humboldt Big Lagoon, so. side, w. side of Redwood Highway 6 Comment
  HSC48413  Polygala californica J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9929 Humboldt Ishi Pishi Rd., 2.5 mi. from Jct. with State Rte. 36 in Orleans. 213 Comment
  POM138540  Polygala californica H. P. Chandler 1901-06 1328 Humboldt Hupa Indian Reservation. 152 Comment
  HSC54552  Polygala cornuta Overton, Butler 1979-7-24 9554 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  RSA21671  Polygala cornuta var. cornuta Carl B. Wolf 1937-8-13 9224 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New Road towards Trinity summit. 1220 Comment
  UC1198989  Polygala cornuta var. cornuta Joseph P. Tracy 1939-8-16 16414 Humboldt barren places Horse Mountain 1432 Comment
  JEPS50493  Polygonum amphibium var. emersum Joseph P. Tracy 1927-5-14 8026 Humboldt Patterson Ranch Trinity River Valley, Willow Creek (pond) 152 Comment
  HSC17470  Polygonum aviculare P. W. Shields 1955-6-18 Humboldt HSC Campus Comment
  UC1198074  Polygonum bistortoides Joseph P. Tracy 1919-9-18 5242 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  HSC55221  Polygonum douglasii Walter Overton 1979-8-1 12393 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC56170  Polygonum douglasii G. L. Clifton, Griswold 1979-8-1 12063 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC672963  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1933-8-30 13042 A Humboldt Grouse Mountain 1524 Comment
  UC1735921  Polygonum douglasii subsp. spergulariiforme Dean W. Taylor 1991-8-15 12301 Humboldt ridge 1 mile West of Horse Mountain, 1493 Comment
  UC672934  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1939-10-29 16520 Humboldt Kneeland Prairie 822 Comment
  CAS-BOT-BC418615  Polygonum majus Alice Eastwood 1921-7-21 10668 Humboldt Van Duzen River Comment
  CAS-BOT-BC109179  Polygonum paronychia Joseph P. Tracy 1930-7-21 8890 Humboldt Cape Mendocino. South of point of the cape. 30 Comment
  UCD100508  Polygonum paronychia Linda M. Barker 1976-5-13 1487 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA332472  Polygonum paronychia J. P. Smith 1971-10-6 4957 Humboldt Dunes at the end of Murray road in McKinleyville Comment
Read comments
Feb 21 2012
  HSC98076  Polygonum phytolaccifolium Cara Witte 2007-7-11 506 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC48864  Polygonum polygaloides subsp. kelloggii Brad Klipfel 1973-6-10 57 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CDA37208  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Near Trinidad; Patricks Point Drive at Seawood Drive, east of Hwy 101. Comment
  RSA46835  Polygonum polystachyum Doris K. Kildale 1925-9-26 s.n. Humboldt Vacant lots - Eureka Comment
  UC1222471  Polygonum sawatchense subsp. oblivium Joseph P. Tracy 1947-8-24 17923 Humboldt on Box Camp Trail 1/2 mi w summit; Trinity Summit 1676 Comment
  HSC54719  Polygonum spergulariiforme Overton, Butler 1979-7-26 10094 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  CAS-BOT-BC421004  Polygonum spergulariiforme Doris K. Kildale 1928-6-24 5296 Humboldt Entrance to Horse Mountain 853 Comment
  CAS-BOT-BC76870  Polypodium glycyrrhiza Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  CAS-BOT-BC76842  Polypodium glycyrrhiza Ira L. Wiggins 1957-6-20 14134 Humboldt Forest, east side of highway, Trinidad. Comment
  UC1481768  Polypodium scouleri Mrs. Carlotta C. Hall 1944-8-10 233 Humboldt 10 mi inland above Carlotta (on Van Duzen River and along rd. to Redding) Comment
  UC207735  Polypogon interruptus Joseph P. Tracy 1916-9-5 4765 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  CAS-BOT-BC232595  Polypogon monspeliensis Henry M. Pollard 1948-7-21 s.n. Humboldt Bank of Klamath River near Orleans Comment
  HSC38498  Polypogon monspeliensis R. Sutherland 1976-11-9 1 Humboldt Redwood Creek, Wittemore Grove. 82 Comment
  SEINET200577 Image available Polypogon monspeliensis Joseph P. Tracy 1916-5-31 4692 Humboldt Holmes Flat along Eel River from South Fork to Scotia. 61 Comment
  UC39746  Polypogon monspeliensis Harley P. Chandler June 1901 1431 Humboldt sandy banks Klamath River; North Coast Ranges, Klamath River 335 Comment
  UCD91482  Polypogon viridis Joseph P. Tracy 1943-8-29 17445 Humboldt At Eureka. 30 Comment
  SEINET11723017  Polystichum dudleyi E. A. York 1990-1-10 2670 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC70983  Polystichum imbricans Gail Newton 1980-7-22 1662 Humboldt Near Devils Backbone 1554 Comment
  HSC49919  Polystichum munitum Maralyn O'Meara 1973-2-9 122 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  HSC54569  Polystichum munitum Overton, Butler 1979-7-24 9597 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC55089  Polystichum munitum G. L. Clifton, Griswold 1979-7-31 11764 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC70930  Polystichum munitum R. York 1980-5-18 559 Humboldt Near Black Mtn. 1006 Comment
  HSC93265  Polystichum munitum Gordon Leppig 1998-3-11 716 Humboldt Redwood Park, near Jolly Giant Cr. 91 Comment
  UC668004  Populus trichocarpa Joseph P. Tracy 1938-11-26 16178 Humboldt on South Fork of Eel River between Miranda and Redway Sylvandale; North Coast Ranges, on South Fork of Eel River 91 Comment
  UC1103513  Potamogeton natans Joseph P. Tracy 1928-9-2 8498 Humboldt Fruitland 609 Comment
  CAS-BOT-BC454067  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  CDA26070  Potentilla anserina subsp. pacifica B. F. Kemp 1958-5-14 Humboldt Ferndale. 0 Comment
  POM275246  Potentilla anserina var. grandis Lyman D. Benson 1928-7-10 437 Humboldt Clam Beach, Trinidad. Sand dunes, along a small stream. 6 Comment
  HSC98450  Potentilla gracilis John Rehling 1974-7-12 11 .5 Humboldt Near the Bald Hills Rd., 23.5 mi. from Hwy. 101 Comment
  HSC75938  Potentilla gracilis var. fastigiata Overton, Butler 1979-7-24 9703 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  HSC15477  Prosartes smithii H. E. Parks 1935-3 5582 Humboldt Trinidad Comment
  HSC95735  Prosartes smithii Steven Lee 2004-4-13 20 Humboldt Arcata Community Forest, hillside along Jolly Giant Creek Comment
  CAS-BOT-BC517384  Prosartes smithii Doris K. Kildale 1927-3-20 2927 Humboldt South Fork of Eel River Comment
  CAS-BOT-BC517501  Prosartes smithii Volney Rattan 1883-6-4 s.n. Humboldt 3 mi. E Eureka Comment
  SEINET12054299  Prosartes smithii Unknown 1936-1 13353 Humboldt near Scotia Comment
  HSC100507  Prunella vulgaris Carl C. Marshall Jun 1886 249 Humboldt Everywhere. Comment
  BLMAR261  Prunella vulgaris subsp. lanceolata Jennifer Anthony-Wheeler 1998-7-14 261 Humboldt King range, strawberry rock grazing allotment 280 Comment
  JEPS62490  Prunella vulgaris var. lanceolata Joseph P. Tracy 1934-7-14 13403 Humboldt along Mad River near Blue Lake; along Mad River near Blue Lake 15 Comment
  UC1225839  Prunella vulgaris var. vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek near the quarry Jacoby Creek 152 Comment
  UC577392  Prunella vulgaris var. vulgaris Joseph P. Tracy 1934-7-14 13403 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  BLMAR465  Prunus emarginata Jennifer Anthony-Wheeler 2004-11-8 465 Humboldt Titlow Hill, growing along Titlow Hill road off Hwy 299 914 Comment
  CAS-BOT-BC159975  Prunus emarginata Doris K. Kildale 1927-5-14 3290 a Humboldt Big Lagoon Comment
  HSC40670  Prunus emarginata Thomas W. Nelson, Jane P. Nelson 1976-7-1 2931 Humboldt Bench W of Lassic Park (Signal Peak) 1677 Comment
  UC1713769  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1828 Comment
  RSA454167  Prunus subcordata Anstruther Davidson 1927-05 s.n. Humboldt [Unspecified] Comment
  UC1222309  Prunus virginiana var. demissa Joseph P. Tracy 1950-6-25 18881 Humboldt Buck Mountain, on the Burr Valley Road Buck Mountain; , Burr Valley Road 1066 Comment
  UC492198  Prunus virginiana var. demissa Joseph P. Tracy 1927-5-14 8027 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC357601  Pseudognaphalium stramineum John Thomas Howell 1936-8-29 12886 Humboldt Eel River 16 miles n. of Garberville Comment
  HSC37672  Pseudognaphalium stramineum R. Sutherland 1976-8-19 8 .19876 Humboldt 259 Comment
  HSC57047  Pseudognaphalium thermale Overton, Butler 1979-7-24 9696 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS20483  Pseudognaphalium thermale Joseph P. Tracy 1938-8-14 16111 Humboldt Willow Creek Trinity River Valley, Willow Creek Comment
  CAS-BOT-BC80111  Pseudotsuga menziesii Doris K. Kildale 1925-12-27 1463 Humboldt Kneeland Prairie 762 Comment
  HSC98638  Pseudotsuga menziesii Cara Witte 2008-7-11 884 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  RSA30190  Pseudotsuga menziesii E. K. Balls, P. C. Everett 1953-10-11 18629 Humboldt 2.3 mi NE of Honeydew on old coast road, between Dyerville and Petrolia. 564 Comment
  HSC70805  Pseudotsuga menziesii var. menziesii Gail Newton 1980-7-24 1781 Humboldt Near Somes Mtn. 1615 Comment
  OBI15564  Psilocarphus tenellus Joseph P. Tracy 2017-5-27 4783 Humboldt Northern Coast Ranges. Eureka 61 Comment
  CAS-BOT-BC361929  Psilocarphus tenellus L. R. Abrams 1918-6-13 7094 Humboldt Fortuna Comment
  HSC18481  Pteridium aquilinum var. pubescens Jana Kattenhorn 1970-10-24 108 Humboldt H.S.C. Campus, Arcata Comment
  HSC73078  Pteridium aquilinum var. pubescens M. A. Baker 1980-5-18 1347 Humboldt Near Black Mtn. 792 Comment
  HSC17977  Pyrola aphylla D. E. Anderson 1965-5-15 3685 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  CAS-BOT-BC460602  Pyrola aphylla Doris Kildale 1931-5-24 10846 Humboldt Little Laribee, Laribee Valley Comment
  UC1197570  Pyrola asarifolia Joseph P. Tracy 1917-7-8 4826 Humboldt Old Kneeland Prairie Road, around Humboldt Bay 457 Comment
  HSC45426  Pyrola dentata Thomas W. Nelson, Jane Nelson 1977-7-1 3549 Humboldt Ridge between Bear and Blanket Creeks Comment
  UC1541560  Pyrola picta Harold E. Parks 1934-6-27 5259 Humboldt Grouse Mountain Comment
  BLMAR528  Pyrola picta Jennifer Wheeler 2009-6-23 528 Humboldt King range, Paradise Ridge road Comment
  UC56314  Pyrola picta Joseph Burtt Davy 1899-6-19 5644 Humboldt Hoopa Mountain Comment
  CAS-BOT-BC62674  Quercus chrysolepis Doris K. Kildale 1927-5-15 3303 Humboldt Petrolia Comment
  HSC99510  Quercus chrysolepis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 172 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
  UC275588  Quercus chrysolepis Joseph P. Tracy 1924-8-31 6845 Humboldt Klamath River at Bluff Creek Northern Coast Ranges 91 Comment
  UC303002  Quercus chrysolepis Joseph P. Tracy 1926-6-6 7571 Humboldt on road w Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC54679  Quercus chrysolepis P. E. Goddard 1901-7-12 59 Humboldt Hupa Comment
  UC667985  Quercus garryana var. breweri Joseph P. Tracy 1935-7-14 14091 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  RSA46718  Quercus garryana var. garryana Doris K. Kildale 1937-8-29 15352 Humboldt Dinsmore's. Comment
  HSC8262  Quercus kelloggii Doris K. Kildale 1926-7-25 2432 Humboldt Briceland Bridge, 1/2 mi. W of Garberville 114 Comment
  HSC76362  Quercus sadleriana Teresa Prendusi 1981-7-9 197 Humboldt Near Cedar Camp. 1268 Comment
  CAS-BOT-BC104536  Quercus vacciniifolia Doris K. Kildale 1925-8-18 1220 Humboldt Trinity Summit 1828 Comment
  UC180641  Quercus wislizeni Joseph P. Tracy 1914-5-14 4458 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  CAS-BOT-BC379461  Ranunculus alismifolius Volney Rattan 1883-6-1 s.n. Humboldt Landslide ponds northeast of Mad R. 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
  UC1537332  Ranunculus occidentalis Gordon H. True Jr. 1936-5-11 466 Humboldt 12 mi w Miranda (e slope of ridge); Elk Ridge 457 Comment
  HSC18171  Ranunculus occidentalis var. occidentalis Elrid H. Spinas 1948-5-15 11 Humboldt Horse Mtn. Comment
  SBBG2267  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-24 3415 c Humboldt Alton Comment
  HSC18163  Ranunculus occidentalis var. occidentalis E. W. Styskel 1963-5-19 36 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 290 Comment
  HSC26783  Ranunculus occidentalis var. occidentalis Thomas W. Nelson 1971-5-31 451 Humboldt 915 Comment
  RSA21038  Ranunculus occidentalis var. rattanii Carl B. Wolf 1937-6-19 8907 Humboldt Van Duzen River at Dunns Mill, 5 miles below Bridgeville. 91 Comment
  UC1196245  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1933-7-11 12701 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UCD97062  Ranunculus orthorhynchus var. platyphyllus R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  RSA20857  Ranunculus orthorhynchus var. platyphyllus Carl B. Wolf 1937-6-18 8897 Humboldt 1/2 miles E of Alton. 21 Comment
  UC1542885  Ranunculus parviflorus Harold E. Parks 1930-5-25 874 Humboldt Laribee Valley 762 Comment
  SDSU10122  Ranunculus repens D. F. Howe 1962-5-22 3306 Humboldt Orick. 30 Comment
  UCR275102  Ranunculus repens Charity A. Hartshorn 2016-4-24 12 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC18176  Ranunculus repens var. repens Francis Winter 1960-4-19 Humboldt Samoa Peninsula, 4.5 mi. W of Arcata Comment
  CHSC35558  Ranunculus sardous Thomas Nelson; Doris Niles 1979-5-19 4696 Humboldt Mouth of Eel River at Crab Park. North of County Park. Comment
  UC162790  Ranunculus uncinatus J. P. Tracy 1901-6-10 1137 Humboldt Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC74183  Raphanus raphanistrum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  UC1199217  Raphanus sativus J. P. Tracy 1906-4-29 2427 Humboldt immediate vicinity of Eureka 0 Comment
  HSC28225  Raphanus sativus Thomas W. Nelson 1971-4-12 374 Humboldt Hookton Rd. at the junction of Copenhagen Rd. Comment
  HSC59688  Raphanus sativus George Kirn 1977-9-10 Humboldt Eureka, G and 1st St. 8 Comment
  RSA13285  Rhamnus purshiana Doris K. Kildale 1929-5-25 8394 Humboldt Pines Pasture, Eureka. 61 Comment
  UC592852  Rhamnus purshiana Doris Kildale Gillespie 1932-9-1 Humboldt 1 block n Henderson St. (on S Street, Eureka); Eureka 30 Comment
Read comments
Mar 1 2013
  HSC44734  Rhododendron columbianum Maralyn O'Meara 1971-10-25 53 Humboldt S side of Big Lagoon Comment
  SEINET2031087 Image available Rhododendron columbianum Joseph P. Tracy 1924-1 6728 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC56610  Rhododendron macrophyllum Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  HSC31567  Rhododendron macrophyllum Glenn McGourty 1974-5-11 37 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  RSA471003  Rhododendron macrophyllum E. S. Spalding 1925-04 s.n. Humboldt Arcata. Comment
  CDA38849  Rhododendron macrophyllum A. T. Leiser 1980-7-9 s.n. Humboldt North of Orick, Hwy 101 reroute, May Creek Watershed. Comment
  RSA0062953  Rhododendron occidentale var. californicum C. B. Wolf 1934-7-2 5905 Humboldt 4.5 miles from Snow Camp on road to Bald Mt (Mtns E of Korbel). 1067 Comment
  CAS-BOT-BC433135  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9558 Humboldt McClellan Hill near Bridgeville 609 Comment
  HSC57641  Ribes binominatum G. L. Clifton, Griswold 1979-7-25 10805 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC92881  Ribes bracteosum M. Louise Hutchinson 1913-5-1 s.n. Humboldt Eureka. 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
  HSC58055  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11921 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  POM274396  Ribes laxiflorum H. E. Parks 1937-6-4 24004 Humboldt Along Prairie Creek at Valley Green Comment
  CAS-BOT-BC173367  Ribes lobbii Joseph P. Tracy 1948-9-5 18177 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar) 1280 Comment
  HSC103237  Ribes lobbii Jade Paget-Seekins 2010-6-22 22 Humboldt Horse Mountain. 10 miles up Titlow Hill Road, on Forest Route 1. 1591 Comment
  HSC48833  Ribes lobbii Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 46 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  UC673202  Ribes lobbii Lincoln Constance, Reed C. Rollins 1942-5-11 2864 Humboldt 8 mi e Blue Lake (near summit); North Coast Ranges Comment
  UC902100  Ribes lobbii Joseph P. Tracy 1949-6-5 18298 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC37446  Ribes marshallii Linda M. Barker, J. O. Sawyer, Jane Sawyer, D. A. Thornburgh 1976-7-3 1631 Humboldt North Trinity Mountain Summit 1940 Comment
  HSC58106  Ribes marshallii G. L. Clifton, Griswold 1979-8-1 12041 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  CAS-BOT-BC206043  Ribes menziesii Doris K. Kildale 1926-4-4 1724 Humboldt Trinidad Comment
  CSUSB1881  Ribes menziesii Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC90028  Ribes menziesii Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-9 40 Humboldt Blue Lake Rd., 0.7 mi. E of its intersection with Railroad Ave. 76 Comment
  HSC71034  Ribes roezlii Thomas W. Nelson 1977-4-20 3326 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UC1222373  Ribes roezlii Joseph P. Tracy 1950-7-31 19235 Humboldt near Muddy Lake; Grouse Mountain 1524 Comment
  CAS-BOT-BC198897  Ribes roezlii var. cruentum Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC198900  Ribes roezlii var. cruentum L. R. Abrams 1918-6-16 7198 Humboldt Willows Creek Comment
  UC1198942  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18397 Humboldt Grouse Mountain 1584 Comment
  UCD102483  Ribes roezlii var. cruentum Roman Gankin; W. R. Hildreth 1966-3-15 697 Humboldt State Highway 96, 2 miles north of Weitchpec. Comment
  CAS-BOT-BC212520  Ribes sanguineum Joseph P. Tracy 1949-4-10 18281 Humboldt Redwood Creek at Berry's 365 Comment
  CAS-BOT-BC212523  Ribes sanguineum L. R. Abrams; R. C. Bacigalupi 1922-6-25 8293 Humboldt Bluffs north of Big Lagoon Comment
  CHSC19492  Ribes sanguineum B. D. Rogers 1965-4-1 411 Humboldt About 4 miles southeast of Arcata, along Jacoby Creek. Comment
  HSC22511  Ribes sanguineum D. E. Anderson 1964-4-24 3540 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  HSC20334  Ribes sanguineum var. glutinosum Doris K. Kildale 1926-5-20 1546 Humboldt Big Lagoon Comment
  HSC34637  Ribes sanguineum var. glutinosum Robert M. Specht 1975-4-9 121 Humboldt 2.5 mi. N of Trinidad on Patricks Point Dr., W side 61 Comment
  HSC95681  Ribes sanguineum var. glutinosum Steven Lee 2004-3-23 4 Humboldt Manila Dunes along Samoa Blvd., 200ft W of first powerline in parking area along Gun Club Rd. Comment
  UC902085  Ribes sanguineum var. glutinosum Joseph P. Tracy 1949-8-11 18450 Humboldt Hungry Hollow Bald Mountain 762 Comment
  HSC49079  Ribes sanguineum var. sanguineum J. O. Sawyer 1977-4-23 2841 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC102609  Ribes viscosissimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1596 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC75413  Ribes viscosissimum J. O. Sawyer, M. A. Ericksen 1980-7-18 3648 Humboldt Along FS Rd. 10N02, S of Middle Fork of Mill Creek Comment
  SEINET200854 Image available Ribes viscosissimum J. P. Tracy 1932-7-12 10466 Humboldt Klamath Mountains Trinity Summit rdiges east of Corral Prairie 1829 Comment
  UC166087  Rigiopappus leptocladus Joseph P. Tracy 1911-7-7 3405 Humboldt between Willow Creek and Campbell Creek (viz ridge n of Willow Creek near the summit); Northern Coast Ranges, Brannan Mountain 914 Comment
  JEPS1245  Romanzoffia californica Joseph P. Tracy 1924-4-27 6645 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 457 Comment
  HSC56123  Romanzoffia sitchensis G. L. Clifton, Griswold 1979-8-1 11910 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC26346  Romanzoffia tracyi T. O. Osborne 1970-4-5 80 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  UC183576  Rorippa nasturtium-aquaticum Joseph P. Tracy 1912-7-4 3732 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  UCD115322  Rorippa palustris Joseph P. Tracy; H. E. Parks 1931-5-17 9425 Humboldt Trinity River near Willow Creek. 152 Comment
  CAS-BOT-BC147434  Rosa californica Doris Kildale 1931-6-6 10869 Humboldt Gans Prairie, Orick - Weitchpec Road Comment
  BLMAR162  Rosa gymnocarpa Donald Hazlett 1994-6-7 162 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC146498  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  UC467683  Rosa gymnocarpa Mrs. M. H. Manning 1901-6-7 61 Humboldt Hupa 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
  UC1199025  Rosa nutkana var. nutkana Joseph P. Tracy 1926-5-15 7479 Humboldt Kneeland Prairie Northern Coast Ranges 762 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
  UC555675  Rosa pisocarpa subsp. pisocarpa H. L. Mason 1928-7-14 4904 Humboldt near Garberville; East Fork of the Eel River Comment
  UC667040  Rosa pisocarpa subsp. pisocarpa Joseph P. Tracy 1940-7-14 16691 Humboldt on river bank Garberville 152 Comment
  HSC99307  Rosa rubiginosa C. B. Wolf 1927-8-30 1229 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  HSC19675  Rubus armeniacus R. T. Haase 1965-5-3 30 Humboldt Parking lot behind Mai Kai Apts. Comment
  HSC22040  Rubus parviflorus B. D. Rogers, D. E. Anderson 1965-5-1 514 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC97621  Rubus parviflorus Cara Witte 2007-6-5 212 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  UC154202  Rubus parviflorus Joseph P. Tracy 1908-6 2732 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCSB30625  Rubus parviflorus Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca 1/2 - 3/4 mi in on dirt road from jct. with Fickle Hill Rd, ca 1/4 mi E of junction of Fickle Hill Rd and Park Av. Arcata Comment
  CHSC13518  Rubus spectabilis A. R. Morrison 1974-4-27 Humboldt Ca. 1.5 mi. off Hwy. 101 on Westhaven Rd., Trinidad. 45 Comment
  HSC47500  Rubus spectabilis Sheila Logan 1978-4-10 26 Humboldt McKinleyville, foot of Hiller Rd at Ocean Rd., near Pacific ocean and Mad River 46 Comment
  SBBG50775  Rubus spectabilis D. G. Forbes 1966-4-4 66 -430 Humboldt Big Lagoon St Park, St Hwy 101 Comment
  RSA0009569  Rubus spectabilis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA0009570  Rubus spectabilis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  CAS-BOT-BC158792  Rubus ursinus Joseph P. Tracy 1946-8-25 17637 Humboldt Field's Landing, 2 miles above town. 6 Comment
  HSC19693  Rubus ursinus N. D. Dennis 1965-5-5 53 Humboldt 1 mi. N of Trinidad on Hwy. 101 Comment
  HSC38943  Rubus ursinus Linda M. Barker 1976-6-1 1565 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UCD113990  Rubus ursinus Linda M. Barker 1976-6-1 1565 Humboldt 3 miles west of Arcata. Comment
  UCD17619  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 045 Humboldt California. Humboldt County: 2.3 miles north of Ettersburg on road to Honeydew. Comment
  UCD17846  Rubus ursinus H. Olmo 8-10 May 1962 62- 33 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  CAS-BOT-BC363201  Rudbeckia occidentalis Doris K. Kildale 1925-8-15 1173 a Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  HSC17569  Rumex acetosella D. B. Bader 1963-3-1 37 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  HSC32426  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  SEINET10479364  Rumex acetosella Mary Susan Taylor 1977-8-2 Taylor 1424 Humboldt In mountains above and east of Eureka. Comment
  HSC98701  Rumex acetosella subsp. acetosella Cara Witte 2007-5-21 69 Humboldt White Oak Opening. 1257 Comment
  CAS-BOT-BC421748  Rumex conglomeratus Malcom A. Nobs; S. Galen Smith 1949-8-9 1236 Humboldt On southern side of the town of Blue Lake Comment
  HSC34704  Rumex crispus Thomas W. Nelson 1974-7-20 1700 Humboldt McKeown Ranch N of Dinsmore Comment
  UC162326  Rumex crispus Joseph P. Tracy 1911-7-7 3375 Humboldt 3 mi nw Willow Creek and Trinity River junction (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UCD101126  Rumex crispus Linda M. Barker 1976-6-22 1622 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC78986  Rumex crispus L. P. Janeway 1984-5-16 802 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 3 Comment
  HSC17616  Rumex obtusifolius Wm. F. Bowman 1968-11-20 Humboldt 4 mi. SE of Arcata, along Jacoby Creek Rd. Comment
  JEPS39873  Rumex occidentalis Milo S. Baker 1923-8-4 177 Humboldt s end Stone Lagoon Comment
  UC1225779  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Box Camp Trinity Summit 1463 Comment
  UC7023  Rumex pulcher H. N. Bolander Jun 1867 6568 Humboldt Shelter Cove Comment
  UC1197459  Rupertia physodes Joseph P. Tracy 1930-6-21 8774 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC1100022  Ruppia maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1182 Humboldt ca 4 mi s Eureka (on Highway 101, near mouth of Elk River) Comment
  UCD92330  Rytidosperma R. Tofsrud 1946-11-1 33 Humboldt Humboldt County. Comment
  UC1103530  Sagina apetala Joseph P. Tracy 1921-4-24 5435 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  SEINET10965499  Salicornia Mary Susan Taylor 1990-8-22 Taylor 6087 Humboldt Cypress Grove Area, Samoa Peninsula, along strand, Eureka. Comment
  HSC49825  Salicornia depressa R. York 1979-5-18 299 Humboldt From area around Humboldt Bay. Comment
  CAS-BOT-BC103806  Salix exigua L. R. Abrams 1916-7-11 6057 Humboldt mouth of Grizzly Creek on Van Duzen River in Redwood Forest Comment
  CAS-BOT-BC104111  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01331 Humboldt channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC106851  Salix hookeriana Harold E. Parks 1931-5-12 0953 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107744  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1221 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107770  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1225 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  HSC19955  Salix hookeriana H. E. Parks 1931-3-24 914 Humboldt Fortuna, Eel River 10 Comment
  JEPS12908  Salix hookeriana Joseph P. Tracy 1927-3-13 7844 Humboldt mouth of Little River; Northern Coast Ranges 6 Comment
  POM219284  Salix hookeriana H. E. Parks 1931-08 1053 Humboldt Little River Lagoon. 0 Comment
  RSA34314  Salix hookeriana C. Kistner 1935-5-10 s.n. Humboldt Samoa. Comment
  SBBG27479  Salix hookeriana H. E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC1196554  Salix hookeriana Joseph P. Tracy 1936-9-27 15189 Humboldt Mad R. at mouth of Lindsey Creek; Mad R., Lindsey Creek 15 Comment
  UC1196675  Salix hookeriana Joseph P. Tracy 1931-3-26 9305 Humboldt near Alton; Northern Coast Ranges, Van Duzen River 30 Comment
  UC1196681  Salix hookeriana Joseph P. Tracy 1919-3-30 5123 Humboldt Jacoby Creek Northern Coast Ranges, around Humboldt Bay (near the quarry) 91 Comment
  UC1225924  Salix hookeriana Joseph P. Tracy 1947-8-31 17930 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC1225929  Salix hookeriana Joseph P. Tracy 1947-2-23 17669 Humboldt Bridgeville Van Duzen River 198 Comment
  UC146206  Salix hookeriana J. P. Tracy 1904-4 2036 /2137 Humboldt Immediate vicinity of Eureka 0 Comment
  UC469115  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC470420  Salix hookeriana Joseph P. Tracy 1931-10-3 9709 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC470442  Salix hookeriana Joseph P. Tracy 1931-9-27 9692 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  UC490456  Salix hookeriana Joseph P. Tracy 1932-5-10 9954 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC504054  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 4 Humboldt around Eureka Eureka Comment
  UC504061  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 8 Humboldt Samoa Comment
  UC518899  Salix hookeriana Jim Davis 1933-4-25 4 Humboldt around Eureka Comment
  JEPS14756  Salix laevigata Joseph P. Tracy 1932-5-22 10122 Humboldt between Miranda and Redway (S. Fork Eel River); North Coast Ranges 91 Comment
  UC1173602  Salix laevigata Joseph P. Tracy 1935-6-22 13962 Humboldt at mouth of Larrabee Creek Eel River 45 Comment
  CAS-BOT-BC107105  Salix lasiolepis Joseph P. Tracy 1932-10-8 10865 Humboldt Berry's Mt., on TRinity Highway 762 Comment
  CAS-BOT-BC107586  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1317 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107590  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1321 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107622  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen R. 228 Comment
  CAS-BOT-BC107643  Salix lasiolepis Joseph P. Tracy 1933-4-2 10960 Humboldt On open grassy slope of Berry's Mountain, on Trinity Highway, east of Redwood Creek 762 Comment
  HSC20005  Salix lasiolepis J. P. Tracy 1932-8-27 10753 Humboldt Blue Slide, Van Duzen River 91 Comment
  HSC20017  Salix lasiolepis J. P. Tracy 1933-4-9 10968 Humboldt Bridgeville, along Van Duzen River 229 Comment
  HSC96369  Salix lasiolepis Gordon Leppig 1999-4-15 1119 Humboldt Big Lagoon County Park, Big Lagoon Bog, W fen edge 3 Comment
  JEPS13081  Salix lasiolepis Joseph P. Tracy 1939-8-5 16392 Humboldt Van Duzen River at Dinsmore's 737 Comment
  UC469403  Salix lasiolepis Joseph P. Tracy 1931-9-20 9689 Humboldt near R.R. Station Trinidad; Northern Coast Region, Trinidad 60 Comment
  UC469412  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469435  Salix lasiolepis Joseph P. Tracy 1931-10-11 9718 Humboldt near mouth Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481291  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC490464  Salix lasiolepis Joseph P. Tracy 1932-9-5 10766 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC504028  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1320 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC506384  Salix lasiolepis Joseph P. Tracy 1933-4-2 10961 Humboldt on Trinity Hwy e Redwood Creek; Northern Coast Ranges, Berry's Mt. 762 Comment
  UC506504  Salix lasiolepis Joseph P. Tracy 1932-8-21 10358 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower western foothills of mt.) 457 Comment
  UC511980  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1247 Humboldt Van Duzen R. at Blue Slide; Van Duzen R., Blue Slide 91 Comment
  UC512044  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1317 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  CAS-BOT-BC125606  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0974 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  HSC20027  Salix melanopsis H. E. Parks 1931-10-15 1077 Humboldt Bishop Pine Lodge, Trinidad 75 Comment
  HSC20033  Salix melanopsis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-13 1252 Humboldt Mad River at Engelhart gravel pit, 2 mi. E of Redwood Hwy. and above Blue Lake Rd. Comment
  HSC20064  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 967 Humboldt Humboldt/Trinity Cos., below Willow Creek 152 Comment
  JEPS14848  Salix melanopsis Lincoln Constance 1934-5-27 688 Humboldt s end of Dyerville Bridge (S. Fork Eel River); Bull Creek Region, S. Fork Eel River 45 Comment
  SBBG57954  Salix melanopsis H. E. Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC469448  Salix melanopsis Joseph P. Tracy 1931-5-3 9346 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481311  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 974 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC490555  Salix melanopsis C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 10073 Humboldt Redwood Creek at Berrys; North Coast Ranges, Redwood Creek 274 Comment
  UC519365  Salix melanopsis Joseph P. Tracy 1933-6-11 12550 Humboldt S. Fork Eel R. near Miranda; Northern Coast Ranges, S. Fork Eel R. 60 Comment
  CAS-BOT-BC129205  Salix piperi Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 1251 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC129211  Salix piperi Doris K. Kildale 1926-5-31 2050 Humboldt On road from Junction to Hopland Comment
  CAS-BOT-BC129142  Salix scouleriana H. E. Parks 1932-11-25 1351 Humboldt Spruce Cove (Parks Ranch), Trinidad Comment
  CAS-BOT-BC129161  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt Vicinity of Carlotta 30 Comment
  HSC102196  Salix scouleriana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1110 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
Read comments
Jul 9 2015
  HSC20080  Salix scouleriana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-11 1219 Humboldt 1 mi. N of Samoa, near coast 0 Comment
  POM280931  Salix scouleriana Lyman D. Benson 1929-7-15 1823 Humboldt Weott Ranger Station. Comment
  SBBG57985  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge, Trinidad 150 Comment
  UC1173626  Salix scouleriana Joseph P. Tracy 1937-3-21 15237 Humboldt Van Duzen R. at Grizzly Creek; Van Duzen R. 91 Comment
  UC1173627  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt vicinity of Carlotta 30 Comment
  UC490506  Salix scouleriana Joseph P. Tracy 1932-8-11 10338 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  BLMAR266  Salix sitchensis Jennifer Anthony-Wheeler 1999-6-16 266 Humboldt Headwaters Forest Reserve, growing along-side road N of borrow pit toward scar rd. 432 Comment
  CAS-BOT-BC128954  Salix sitchensis Kenneth Clark 1980-3-24 546 Humboldt On alluvial terrace of Dead Man's Gulch - Shelter Cove 15 Comment
  HSC20105  Salix sitchensis H. E. Parks 1931-3-24 910 Humboldt Trinidad Comment
  JEPS12955  Salix sitchensis Joseph P. Tracy 1931-9-19 9683 Humboldt Van Duzen River Alton; Northern Coast Region, Van Duzen River 30 Comment
  UC1600860  Salix sitchensis Joseph P. Tracy 1933-10-8 13086 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC490501  Salix sitchensis Joseph P. Tracy 1932-10-2 10857 Humboldt Redwood Creek near Bair's; Northern Coast Ranges, Redwood Creek 213 Comment
  UC492341  Salix sitchensis Harold E. and Susan T. Parks 1932-4-12 1111 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  HSC20133  Salix tracyi J. P. Tracy 1933-5-14 12178 Humboldt Trinity River Valley, mouth of Willow Creek 152 Comment
  UC504018  Salix tracyi C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1244 Humboldt Van Duzen River at Blue Slide 91 Comment
  UCD137261  Sambucus racemosa var. racemosa Joseph P. Tracy 1947-8-24 17912 Humboldt Trinity Summit, east of Box Camp. 1676 Comment
  UC154106  Sanicula arctopoides J. P. Tracy 1904-4-24 2021 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  UC1197110  Sanicula bipinnatifida Joseph P. Tracy 1928-6-24 8461 Humboldt Valley of South Yager Creek 762 Comment
  UCD127965  Sanicula crassicaulis Linda M. Barker 1976-5-13 1485 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC55720  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-7-26 10168 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  UCR39790  Sanicula graveolens D. K. Imper 1982-7-2 s.n. Humboldt Six Rivers Nat. Forest, near Lassics Lookout, l mi. north of FS 2S08 on spur 1529 Comment
  HSC45395  Sanicula graveolens Thomas W. Nelson, Jane P. Nelson 1977-7-4 3594 Humboldt Beside pond above Alder Springs 1585 Comment
  UC1197094  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC81660  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-7-13 6064 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  HSC21645  Sanicula tuberosa F. Morrell 1949-5-15 Humboldt Berry Summit Comment
  UC314593  Sanicula tuberosa Joseph P. Tracy 1923-7-4 6528 Humboldt Northern Coast Ranges, Valley of South Yager Creek South Yager Creek; Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  UC1124524  Satureja douglasii H. L. Person 1932-7-16 Humboldt highway n Trinidad; Rock Point Quad. Comment
  UC556333  Satureja douglasii Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  UC1198881  Saxifraga californica Joseph P. Tracy 1922-4-30 6024 Humboldt Trinity River Valley, Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC902008  Saxifraga mertensiana Joseph P. Tracy 1948-5-31 17999 Humboldt Harris 762 Comment
  UC1541349  Scirpus acutus var. occidentalis H. E. and S. T. Parks 1930-9-14 771 Humboldt Big Lagoon Comment
  CDA18245  Scirpus microcarpus G. D. Barbe, T. C. Fuller 1974-6-19 1883 Humboldt North Coast Ranges; Arcata, US Hwy 101 at Saint Louis Rd. 12 Comment
  SBBG88776  Scirpus microcarpus A. Keedy 1988-9-28 14 Humboldt Alder Grove Rd near Hwy 299, N of Arcata Comment
  SEINET4178878 Image available Scirpus pungens R. U. Hart 1946-6-7 Humboldt Pond W. of Centerville, 4 mi. W. of Ferndale on the S. side of the mouth of the Eel River Valley Comment
  SEINET12050497  Scoliopus bigelovii F. H. Utech 1988-1 88 -281 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, mile marker 42.00, above Van Duzen River 800 Comment
  SEINET926248  Scoliopus bigelovii Joseph P. Tracy 1950-1 18611 Humboldt 1 mile west of Dinsmore's. Along Van Duzen River, opposite Buck Mountain. 762 Comment
  HSC12558  Scrophularia californica D. La Conte 1970-7-7 20 Humboldt Comment
  UC577338  Scutellaria siphocampyloides Joseph P. Tracy 1932-5-17 10083 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  HSC79339  Sedum laxum subsp. flavidum D. K. Imper 1984-5-16 Humboldt Six Rivers National Forest, in the vicinity of Horse Mtn. and Friday Ridge 1372 Comment
  CAS-BOT-BC64750  Sedum oregonense Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC98572  Sedum radiatum Cara Witte 2007-6-14 285 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  JEPS73714  Sedum spathulifolium L. R. Heckard with T. I. Chuang 1968-7-5 1988 Humboldt along Mail Ridge Road 4 1/2 mi n of its junction with the Harris Road (e of Garberville); e of Garberville Comment
  HSC100455  Sedum spathulifolium Carl C. Marshall Jun 1887 471 Humboldt Rocks, S Humboldt. Comment
  RSA0081474  Sedum spathulifolium C. B. Wolf 1939-7-8 3414 Humboldt North bank of Matolle River, 2 miles above Petrolia. 61 Comment
  HSC63239  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-6-7 801 Humboldt Hwy. 299, 3 km N of Berry Summit Comment
  HSC45074  Selaginella wallacei R. Sutherland 1978-4-22 1 .22478 Humboldt Along King's Crest Trail 1098 Comment
  UC1223021  Senecio glomeratus Joseph P. Tracy 1950-7-12 19032 Humboldt Cameron Hill 762 Comment
  CAS-BOT-BC364014  Senecio integerrimus var. major Doris Kildale Gillespie 1931-6-7 10620 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC364021  Senecio integerrimus var. major Doris K. Kildale 1926-5-2 1896 Humboldt Willow Creek Flat 152 Comment
  HSC56367  Senecio integerrimus var. major Griswold, Butler 1979-7-10 6252 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  HSC6156  Senecio integerrimus var. major H. E. Parks, J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley 762 Comment
  HSC82545  Senecio integerrimus var. major Thomas W. Nelson 1979-7-11 5003 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC249532  Senecio integerrimus var. major Joseph P. Tracy 1922-6-12 6087 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS109412  Senecio integerrimus var. ochroleucus D. W. Taylor 2004-6-24 19144 Humboldt Spike Buck Mountain, north slope. Comment
  UC1118081  Senecio minimus H. L. Person 1932-7-23 Humboldt Korbel Eureka Quad., Korbel Comment
  UC1199235  Senecio sylvaticus Joseph P. Tracy 1934-8-31 13652 Humboldt along road through woods Kneeland Prairie Kneeland Prairie 762 Comment
  NY64458  Sequoia sempervirens J. P. Tracy 1935-12-8 14764 Humboldt Near Korbel 304.8 Comment
  NY64506  Sequoia sempervirens A. Kellogg 1868-1 940 Humboldt Humboldt Comment
  HSC99141  Sericocarpus oregonensis var. oregonensis Cara Witte 2007-7-26 592 Humboldt Along National Forest 1 on Kinsey Ridge. 1/4 mile north of intersection with Forest Service Road 4N06. 1262 Comment
  HSC92497  Sherardia arvensis W. L. Jepson 1934-5-7 Humboldt Buckeye Praire, Bull Creek Comment
  SEINET6993447  Sherardia arvensis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC96276  Sidalcea malachroides Gordon Leppig 2002-5-22 1713 Humboldt Van Duzen River Watershed, Redwood House Rd. PALCO timberlands. 700 Comment
  CAS-BOT-BC205569  Sidalcea malachroides Volney Rattan 1878-1-1 s.n. Humboldt Redwood Cr. Comment
  HSC35615  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2111 Humboldt Whiting Spring Comment
  HSC62693  Sidalcea malviflora Michelle Stevens 1979-5-25 139 Humboldt Junction of Hwy. 96 and the GO Rd. 640 Comment
  JEPS109836  Sidalcea malviflora subsp. patula Dean W. Taylor 2005-6-10 19343 Humboldt Bear River Ridge, along the Mattole Road 3 road miles North (uphill) from Capetown 335 Comment
  CAS-BOT-BC384547  Silene bridgesii Henry M. Pollard 1948-7-17 s.n. Humboldt Woods near Orleans Comment
  UC668096  Silene campanulata Joseph P. Tracy 1937-7-29 15591 Humboldt w slope near top South Fork Mountain (at Hyampom Trail); , at Hyampom Trail 1676 Comment
  JEPS23252  Silene campanulata subsp. campanulata Joseph P. Tracy 1937-7-29 15590 Humboldt w slope near top at Hyampom Trail , Hyampom Trail (South Fork Mountain) 1676 Comment
  JEPS22945  Silene campanulata subsp. glandulosa Volney Rattan 1883-1 Humboldt Hoopa Valley Comment
  RSA21442  Silene campanulata subsp. glandulosa C. B. Wolf 1937-8-12 9206 Humboldt North Coast Range, South Fork Mountain, 0.6 miles S of Blake Lookout. 1677 Comment
  HSC48611  Silene gallica Mark Flippo 1978-5-18 62 Humboldt Hwy. 101 N jct. with Giuntoli Lane Comment
  HSC68009  Silene gallica J. P. Smith 1970-6-7 3804 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  POM193013  Silene hookeri subsp. bolanderi H. E. Parks, Joseph P. Tracy 1930-5-25 0791 Humboldt Laribee Valley. 793 Comment
  CAS-BOT-BC389063  Silene laciniata subsp. californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  RSA595780  Silene lemmonii R. S. Woglum 1931-7-15 24 B Humboldt Outer Coast Ranges, Sequoia Park. Comment
  UC162883  Silene menziesii Harley P. Chandler June, 1901 1319 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC492253  Sisymbrium altissimum Joseph P. Tracy 1932-5-17 10090 Humboldt Trinity River near Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  UC702601  Sisyrinchium bellum C. C. and S. K. Harris 1942-6-9 1219 Humboldt 3 mi n and 1 mi w of Fernbridge 33 Comment
  JEPS62156  Smilacina stellata W. L. Jepson 1902-7-24 2115 b Humboldt Trinity Summit Comment
  UC1103493  Smilacina stellata Joseph P. Tracy 1938-7-7 16039 Humboldt Grouse Mountain 1524 Comment
  HSC69581  Solanum americanum R. Kalal 1980-6-8 15 Humboldt E of Clam Beach along slough 18 Comment
  UC176963  Solanum americanum Joseph P. Tracy 1912-10-20 3992 Humboldt Loleta; Northern Coast Ranges, Loleta 30 Comment
  RSA47109  Solanum americanum Doris K. Kildale 1926-3-22 1601 Humboldt Helena Creek. Comment
  HSC21297  Solanum aviculare Larry Berti 1968-10-13 Humboldt Comment
  HSC55669  Solanum parishii Overton, Butler 1979-7-25 9873 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  SEINET6030917  Solanum sarachoides Joseph P. Tracy 1940-10-15 16758 Humboldt Trinity River Valley, Willow Creek Comment
  CAS-BOT-BC231718  Solanum umbelliferum Joseph P. Tracy 1949-5-8 18293 Humboldt Carlotta. Open flat by old Strong's District School House, 5 miles east of town 60 Comment
  POM247118  Solidago californica Joseph P. Tracy 1937-9-5 15682 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC385867  Solidago canadensis Mrytle Paulson 1918-4-1 s.n. Humboldt Eureka Comment
  RSA167400  Solidago canadensis subsp. elongata Joseph P. Tracy 1948-9-12 18210 Humboldt Trinity Summit, at head of meadow at Box Camp. 1463 Comment
  UC581769  Solidago elongata Joseph P. Tracy 1937-8-12 15654 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC365435  Solidago elongata Doris K. Kildale 1925-8-8 2459 Humboldt Mouth of Bull Creek Comment
  UCR48861  Solidago occidentalis R. D. Goeden, Don W. Ricker 1987-9-2 7 B Humboldt Carlotta, roadside on state Hwy 36 Comment
  CAS-BOT-BC365663  Solidago spathulata S. K. Harris 1939-9-5 s.n. Humboldt At Samoa Comment
  SJSU8442  Solidago spathulata H. T. Harvey 1977-7-5 596 Humboldt Elk R Spit, Humboldt Bay Comment
  BLMAR757  Solidago velutina subsp. californica Jennifer Wheeler 2013-9-4 757 Humboldt King range, strawberry rock grazing allotment 252 Comment
  HSC6220  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  UC164790  Sonchus asper J. P. Tracy 1903-8-2 1925 Humboldt immediate vicinity Eureka 0 Comment
  HSC79494  Sonchus asper Kenneth Clark 1980-3-1 506 Humboldt Deadman's Gulch; lower alluvial terrace 11 Comment
  HSC39802  Sonchus oleraceus Peter Sorensen 1976-6-11 Humboldt King Salmon Comment
  UC1198766  Sorbus californica Doris K. Kildale 1926-9-5 2635 Humboldt on trail between Red Peak and Signal Peak; Lasseck's Peaks 1676 Comment
  UC1198767  Sorbus californica Joseph P. Tracy 1932-7-12 10469 Humboldt head of Brett Hole Trinity Summit; Klamath Mountains 1828 Comment
  HSC56199  Sorbus scopulina Gilbert Muth 1979-8-1 12165 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC23255  Sparaxis tricolor Jana Kattenhorn 1971-4-7 214 Humboldt Around HSU campus, Arcata Comment
  UCSB25395  Sparganium emersum Keefe, Joseph 1967-7-8 Humboldt East side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka 6 Comment
  UC672884  Sparganium emersum var. emersum Joseph P. Tracy 1934-7-30 13507 Humboldt in front of s end Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  LA39194  Spartina foliosa W. A. Silveus; 1938-7-10 2966 Humboldt Eureka Comment
  UCD99180  Spergula arvensis James Payne Smith Jr. 1970-6-7 3805 Humboldt 0.6 miles north of Luffenholtz beach along California 1 near Trinidad. Comment
  CHSC14126  Spergula arvensis subsp. arvensis D. Joley 1967-8-16 49 Humboldt Found at a fish hatchery 4 mi n of Orick. Comment
  RSA0097079  Spergularia Thekla Mohr 1919-07 s.n. Humboldt Eel River. Comment
  HSC4254  Spergularia rubra D. E. Anderson 1961-9-30 1838 Humboldt Comment
  HSC96475  Spiraea douglasii Gordon Leppig 1997-6-19 457 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  JEPS45015  Spiraea douglasii Milo S. Baker 1923-7-14 5 Humboldt highway between Scotia and Fortuna Comment
  UC14209  Spiraea douglasii Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  HSC59589  Spirodela punctata Rick Lundquist 1979-5-18 95 Humboldt Clam Beach Ponds 0 Comment
  UC180214  Stachys ajugoides var. rigida Joseph P. Tracy 1914-6-14 4512 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC577330  Stachys ajugoides var. rigida Joseph P. Tracy 1934-7-18 13455 Humboldt Grouse Mountain North Coast Ranges 1615 Comment
  JEPS63032  Stachys ajugoides var. rigida Milo S. Baker 1923-7-20 72 Humboldt 4 mi e Eureka; North Coast Comment
  UC25970  Stachys ajugoides var. rigida J. Burtt Davy 1899-6-21 5720 Humboldt Supply Creek North Coast Ranges, Hoopa Valley Comment
  UCLA70874  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-9 15874 Humboldt 2 mi s Blocksburg 304 Comment
  UCLA71142  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16131 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  BLMAR315  Stachys chamissonis Jennifer Anthony-Wheeler 2002-8-9 315 Humboldt Lost Coast Headland 121 Comment
  UC154006  Stachys chamissonis Joseph P. Tracy 1907-6-25 2577 Humboldt region about Humboldt Bay; Northern Coast Region, Elk River Valley 0 Comment
  HSC25930  Stachys mexicana Thomas W. Nelson 1970-10-30 310 Humboldt S of Education Building on HSC campus Comment
  HSC38526  Stachys rigida D. E. Anderson, J. P. Smith 1971-6-18 - 1070 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  SD61050  Stachys rigida var. rigida Darley F. Howe 1964-8-7 3943 Humboldt 8.2 miles from Highway 96 on Mill Creek Road. Hoopa Valley. 1067 Comment
  HSC56102  Stellaria crispa G. L. Clifton 1979-7-31 11825 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC4268  Stellaria media D. E. Anderson 1962-7-17 2274 Humboldt Camp Bauer, 1/4 mi. E of Korbel, along N Fork of Mad River Comment
  UC1103548  Stellaria media Joseph P. Tracy 1913-6-14 4124 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC48033  Stellaria nitens Brad Klipfel 1974-5-27 407 Humboldt Horse Mtn. Comment
  UC449998  Stephanomeria elata Joseph P. Tracy 1918-7-7 5037 Humboldt Garberville Northern Coast Ranges 152 Comment
  BLMAR45  Stipa lemmonii Brad Barr June, 1982 45 Humboldt King range, Spanish Ridge, south facing slope Comment
  HSC40579  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1976-7-1 2913 Humboldt Along NW side of Lassic Peak (Signal Peak). 1738 Comment
  HSC38490  Stipa nelsonii subsp. dorei D. E. Anderson, J. P. Smith 1971-6-18 - 1095 Humboldt Horse Mtn. Comment
  HSC102164  Stipa occidentalis var. californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1074 Humboldt Patterson Meadows 1566 Comment
  HSC32279  Stipa occidentalis var. californica D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5624 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC58570  Stipa occidentalis var. occidentalis G. L. Clifton, Griswold 1979-7-26 10297 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  CAS-BOT-BC87610  Streptanthus tortuosus Henry M. Pollard 1947-9-1 s.n. Humboldt Extreme summit of Somes Peak near Orleans. 1618 Comment
  HSC102604  Streptanthus tortuosus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1591 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC673194  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-12 2880 Humboldt bluffs at mouth of creek 6 mi ne Weitchpec; Klamath-Siskiyou Region, Bluff Creek 152 Comment
  UC1198798  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1913-6-17 4165 Humboldt near summit Northern Coast Ranges, Buck Mountain 1524 Comment
  UC1541461  Streptanthus tortuosus var. orbiculatus W. K. Parks July, 1933 Humboldt Buck Mountain Comment
  UC902000  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain 1432 Comment
  HSC57893  Streptanthus tortuosus var. tortuosus Walter Overton, Marvin Butler 1979-7-31 11468 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC58202  Streptanthus tortuosus var. tortuosus Walter Overton 1979-8-1 12306 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  HSC56070  Suksdorfia ranunculifolia G. L. Clifton, Griswold 1979-7-31 11737 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC562304  Swertia radiata Joseph P. Tracy 1932-7-20 10731 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC269568  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-29 1782 Humboldt Old Coast Road at Honeydew Post Office 152 Comment
  JEPS12881  Symphoricarpos albus var. laevigatus Joseph P. Tracy 1939-8-20 16428 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UC602516  Symphoricarpos mollis Joseph P. Tracy 1930-7-16 8956 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC58801  Symphyotrichum bracteolatum G. L. Clifton, Griswold 1979-7-31 11611 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC5048  Symphyotrichum chilense Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  CAS-BOT-BC98928  Symphyotrichum foliaceum var. parryi Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  UC581687  Symphyotrichum hendersonii Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  UC672289  Symphyotrichum subspicatum Frank W. Peirson 1923-7-11 3882 Humboldt 7 mi n Arcata Comment
  UC1222774  Synthyris reniformis Joseph P. Tracy 1950-4-20 18614 Humboldt 1 mi w Dinsmore's (on Van Duzen River); Van Duzen River Comment
  HSC6245  Tanacetum bipinnatum Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  CDA8898  Tanacetum camphoratum Clayton 1956-5-7 Humboldt Samoa Road 200 yards south of Fairhaven. 0 Comment
  JEPS17996  Tanacetum camphoratum George B. Rossbach 1955-6-10 559 Humboldt between Fairhaven and end of point off Eureka (near Humboldt Bay (lagoon) and lighthouse) Comment
  RSA0049665  Taraxacum laevigatum Dean Wm. Taylor 2011-5-4 21112 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm (Larabee Valley quadrangle placename), vicinity of the road crossing of Knack Creek 341 Comment
  HSC6263  Taraxacum officinale William J. Ferlatte 1963-4-28 28 Humboldt Near 12th and B St., Arcata Comment
  HSC21572  Tauschia kelloggii Francis Winter 1960-4-24 Humboldt Hog Ranch Ridge, 8 mi. NW of Hoopa Indian Reservation 610 Comment
  JEPS14164  Tauschia kelloggii Lincoln Constance 1934-6-2 779 Humboldt Bull Cr road to mouth of Bull Creek (and up Bull Cr.); South Fork Eel River, Bull Creek Region Comment
  UC667972  Taxus brevifolia Joseph P. Tracy 1936-8-8 15138 Humboldt ne of Hawkins Bar.; Trinity summit Range, Happy Camp Mountain 1280 Comment
  SJSU685  Taxus brevifolia A. W. Jacobs 1941-6-15 Humboldt border of road (Hwy 299) between Blue Lake & Redwood Creek Comment
  HSC56324  Tellima grandiflora Overton, Butler 1979-8-2 12666 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC392287  Thalictrum fendleri Doris K. Kildale 1926-4-4 1749 Humboldt Trinidad Comment
  UC160922  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1908-6 2769 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1222570  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1950-7-6 18986 Humboldt Burr Valley Buck Mountain (nw slope of mt., lower end of valley) 1066 Comment
  HSC103943  Thermopsis macrophylla var. venosa Lisa Hoover 1996-5-29 133 Humboldt Six Rivers National Forest; On ridge above Fish Lake 634 Comment
  JEPS79993  Thlaspi californicum Joseph P. Tracy 1921-5-30 5483 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC81311  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt along the Blue Lake to Willow Creek Road (Lord Ellis Road), 9 miles above Blue Lake 243 Comment
  NY17196  Thuja plicata A. Kellogg 1868-1 933 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC64218  Tiarella trifoliata var. unifoliata J. O. Sawyer, M. A. Ericksen 1979-6-23 3383 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  CAS-BOT-BC436915  Tiarella trifoliata var. unifoliata C. C. Harris; S. K. Harris 1936-6-16 660 Humboldt Yager Road from Carlotta 152 Comment
  RSA12561  Tofieldia glutinosa subsp. occidentalis Carl B. Wolf 1934-7-2 5878 Humboldt At small lake at Snow Camp (Mtns E of Korbel) 1372 Comment
  UC1224693  Tolmiea diplomenziesii D. E. Anderson and B. D. Rogers 1964-5-1 1564 Humboldt n of Humboldt State College campus (Jolly Giant creek) Comment
  CAS-BOT-BC447611  Tolmiea menziesii J. P. Tracy 1900-5-30 832 Humboldt Immediate vicinity of Eureka 152 Comment
  UC27664  Tonella tenella C. C. Marshall 1888-1 Humboldt Comment
  UC1561282  Torilis arvensis Barbara Ertter with Thomas J. Delendick 1987-5-16 6916 Humboldt Hwy 299 roadside ca 8 mi e Arcata (9 1/2 mi w of Lord Ellis summit); w of Lord Ellis summit Comment
  BLMAR228  Torilis arvensis Jennifer Anthony-Wheeler 1996-7-11 228 Humboldt N.Dobbyn creek, growing in understory of mixed evergreen forest 1005 Comment
  HSC79551  Torilis arvensis Kenneth Clark 1980-6-14 668 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  UCD93213  Torreyochloa pallida var. pauciflora A. H. Murphy 1951-7-1 84 Humboldt shore of Bransetter Lake south of Capetown. Comment
  SEINET12238543  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -276 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC604644  Trichostema laxum Joseph P. Tracy 1938-8-14 16119 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  HSC17938  Trientalis latifolia Frances Oldridge 1946-1 Humboldt Freshwater Comment
  UC1561370  Trientalis latifolia Barbara Ertter with Thomas J. Delendick 1987-5-16 6942 Humboldt 3 mi e of Berry Summit (on Hwy 299, 20 air mi e of Arcata, on s side of road above Willow Creek); Hwy 299 243 Comment
  SEINET12157030  Trifolium albopurpureum Unknown 1936-1 13477 Humboldt Fields Landing Comment
  UC1223385  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1934-6-24 13260 Humboldt Kneeland Prairie 762 Comment
  UC180224  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1914-5-14 4452 Humboldt Fort Seward 121 Comment
  UC1103431  Trifolium barbigerum Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3636 Humboldt Eureka Northern Coast Ranges Comment
  UC1223506  Trifolium barbigerum J. P. Tracy 1950-6-29 18939 Humboldt 6 mi se Arcata (Fickle Hill) Comment
  UC1223507  Trifolium barbigerum Joseph P. Tracy 1950-6-18 18841 Humboldt 1 mi e Cape Mendocino (on slopes); Cape Ridge 152 Comment
  UC495700  Trifolium barbigerum Joseph P. Tracy 1932-5-17 10066 Humboldt Berry's North Coast Ranges, Redwood Cree 274 Comment
  UC165571  Trifolium depauperatum var. depauperatum Mrs. M. H. Manning 1902-4-27 Humboldt near Hupa Comment
  POM214884  Trifolium dichotomum Joseph P. Tracy 1932-5-1 9894 Humboldt Vicinity of Garberville Comment
  RSA510999  Trifolium dubium Robert F. Thorne, Percy C. Everett, K. Thorne 35246 Humboldt N edge of Eureka, E of Hwy. 101. 5 Comment
  UCD108864  Trifolium dubium A. H. Murphy 1947-4-25 s.n. Humboldt 2 miles N of Blocksburg, W. Smith Ranch. Comment
  HSC97569  Trifolium eriocephalum subsp. eriocephalum Cara Witte 2007-6-7 225 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1263 Comment
  HSC98508  Trifolium eriocephalum subsp. eriocephalum Cara Witte 2007-6-7 225 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1263 Comment
  POM214889  Trifolium eriocephalum subsp. eriocephalum Joseph P. Tracy 8821 Humboldt Buck Mountain Comment
  UC33571  Trifolium eriocephalum var. eriocephalum Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UC1223455  Trifolium fucatum Joseph P. Tracy 1950-6-8 18747 Humboldt 1 mi e Cape Mendocino; Cape Ridge 152 Comment
  HSC99726  Trifolium longipes subsp. oreganum Glenn W. K. Shelton 2010-7-16 20 Humboldt Titlow Hill Rd., turnout on right 0.9 mi. S of Cold Springs, 0.2 mi. down road from Titlow Hill Rd. 1421 Comment
  UC302112  Trifolium longipes var. oreganum Joseph P. Tracy 1926-6-20 7608 Humboldt Horse Mtn North Coast Ranges Comment
  UC1223359  Trifolium macraei Joseph P. Tracy 1950-6-8 18729 Humboldt Bear River Ridge 609 Comment
  CHSC35554  Trifolium microcephalum James P. Smith 1973-5-26 6870 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  CDA27998  Trifolium microcephalum T. C. Fuller 1958-6-17 1723 Humboldt Petrolia, Lower Mattole. 0 Comment
  UCSC000413  Trifolium microcephalum H. S. Yates 1936-6-18 5734 Humboldt 2 miles N. of Big Lagoon - Rocky Pt. 30 Comment
  HSC95073  Trifolium microdon Andrea Pickart 2002-7-3 154 Humboldt Lanphere Dunes: Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC160940  Trifolium microdon J. P. Tracy 1900-5-28 822 Humboldt Eureka vicinity 0 Comment
  POM20264  Trifolium microdon L. R. Abrams 1916-6-11 6037 Humboldt Mouth of Grizzly Creed on Van Duzon River. Comment
  RSA168856  Trifolium microdon Joseph P. Tracy 1938-6-8 15867 Humboldt Samoa Sand dunes Comment
  UC1197485  Trifolium obtusiflorum Joseph P. Tracy 1911-6-29 3267 Humboldt near Hydesville (Van Duzen River); Northern Coast Region 60 Comment
  JEPS66013  Trifolium oliganthum Milo S. Baker 5560 Humboldt s Garberville Comment
  SEINET4178477 Image available Trifolium oreganum Unknown 1927-6-12 8122 Humboldt Horse Mountain 1524 Comment
  SEINET4178474 Image available Trifolium oreganum Unknown 1950-7-1 18945 Humboldt Near Clear Lake where the Friday Ridge Road comes to the top of Grouse Mountain Ridge. 1219 Comment
  UC162779  Trifolium repens J. P. Tracy 1903-8-9 1946 Humboldt immediate vicinity Eureka 0 Comment
  UCD109372  Trifolium repens Tofsrud 1948-9-1 s.n. Humboldt 3 mi. S. of Scotia. Comment
  HSC45131  Trifolium variegatum R. Sutherland 1978-6-1 3 .1678 Humboldt 213 Comment
  JEPS4133  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-22 10123 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC160989  Trifolium variegatum var. variegatum Joseph P. Tracy 1911-7-7 3368 Humboldt 3 mi nw Junction os Wilow Creek with Trinity river (near Beebe's Ranch); Northern Coast Ranges Comment
  HSC97616  Trifolium wormskioldii Cara Witte 2007-6-4 188 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC1223522  Trifolium wormskioldii Joseph P. Tracy 1938-7-15 16076 Humboldt mouth of Eel River 3 Comment
  HSC15195  Trifolium wormskioldii J. W. Johnson 1961-8-17 1009 Humboldt Arcata, Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  UC1222703  Trifolium wormskioldii Joseph P. Tracy 1938-7-12 16056 Humboldt near Field's Landing (w end of Table Bluff) 548 Comment
  HSC59060  Triglochin maritima Thomas Wood 1979-5-4 154 Humboldt Big Lagoon Bog, N side, between the bog and the sea 0 Comment
  RSA226618  Triglochin maritima Norman Dennis 1965-6-8 101 Humboldt Salt marsh along east edge of Humboldt Bay, 1 mile south of Arcata Comment
  UCD170578  Triglochin maritima Gordon Leppig 1998-4-13 738 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. 1 Comment
  HSC15686  Trillium albidum W. D. Stevens 1964-5-16 16 Humboldt 1.0 mi. N of Kneeland School Comment
  HSC48827  Trillium ovatum Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 27 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC96778  Trillium ovatum M. Mesler 2006-6-6 611 Humboldt Big Hill Rd. 11.4 mi. E of Hwy. 96 at Six Rivers Forest boundary 1463 Comment
  HSC15703  Trillium ovatum W. F. Nickel 1965-4-3 Humboldt 5 mi. SE of Fern Canyon in Prairie Creek Redwoods State Park, on rd. to Fern Canyon Comment
  SD112794  Trillium ovatum Darley F. Howe 1963-5-26 3557 Humboldt 3.7 miles east of Orick, on Bald Hill Road. 487 Comment
  SEINET10275389  Trillium ovatum Unknown 1963-2-24 52 Humboldt altitude ca 250 ft, floor of Redwood Forest; Nelson Grove near bank of Eel River, Humboldt State Park Comment
  UC1103502  Trillium ovatum Ralph Ferguson 1948-4-9 Humboldt Sutter tract Eureka 60 Comment
  CAS-BOT-BC521312  Trillium rivale Joseph P. Tracy 1911-7-7 3413 Humboldt Brannan Mountain; Viz Ridge North of Willow Creek, between Willow and Campbell Creeks, near the summit, in pine forest; Northern Coast Ranges 1219 Comment
  SEINET3992212  Trillium sessile Unknown 1928-4-29 8418 Humboldt Prairie Creek 152 Comment
  HSC33758  Triphysaria eriantha subsp. eriantha A. Montalvo 1975-5-24 275 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  UC168994  Triphysaria pusilla Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5390 Humboldt Hubbard's Station; North Coast Ranges, Hubbard's Station Comment
  HSC31558  Triphysaria versicolor subsp. faucibarbata Glenn McGourty 1974-4-27 31 Humboldt Along side of Mattole River Comment
  HSC59235  Triphysaria versicolor subsp. faucibarbata Clark L. Miller 1979-5-29 5153 Humboldt Arcata Bottoms Comment
  RSA10081  Trisetum canescens Joseph P. Tracy 1926-6-6 7557 Humboldt Northern Coast Ranges, Hoopa Mountain, near summit on road west from Hoopa to Bair's. 1067 Comment
  HSC13418  Trisetum cernuum T. L. Ackerman 1964-5-14 47 Humboldt Near E end of 17th St., Arcata. Comment
  HSC40318  Trisetum cernuum Thomas W. Nelson, James Nelson 1976-7-28 3074 Humboldt Along small creek on the E side of old trail from lookout to Blocksburg. 1555 Comment
  UC526697  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  SEINET11682986  Trisetum cernuum K. S. Erdman 1970-1 4814 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek SP in Redwood National Park Comment
  UC15028  Triteleia bridgesii Mrs. M. H. Manning 1901-7-15 21 Humboldt near Hupa (trail below Mud Springs) Comment
  RSA167432  Triteleia hyacinthina Joseph P. Tracy 1950-6-25 18896 Humboldt Buck Mountain, high meadow on west side, 3 miles south of Burr Valley 1159 Comment
  UC1197712  Triteleia hyacinthina Joseph P. Tracy 1932-6-26 10268 Humboldt Fort Baker Ranch 762 Comment
  UC666905  Triteleia hyacinthina Joseph P. Tracy 1937-7-19 15451 Humboldt lower foothills nw slope Buck Mountain; lower foothills nw slope Buck Mountain 762 Comment
  HSC38479  Triteleia laxa D. E. Anderson, J. P. Smith 1971-6-18 - 1057 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  HSC97626  Triteleia laxa Cara Witte 2007-6-19 300 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC144105  Triteleia laxa J. P. Tracy 1909-7-18 3013 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC526357  Triteleia laxa L. R. Abrams 1918-6-14 7089 Humboldt Korbel to Three Creeks near March's ranch Comment
  HSC79549  Triteleia laxa Kenneth Clark 1980-6-14 667 Humboldt On western slope above Dead Man's Gulch (near parking access) 145 Comment
  HSC49015  Tropaeolum majus Patricia Shesgreen 1978-8-5 129 Humboldt Along side road on 16th St., 100 yds. E of Union St., Arcata. Comment
  UCD108651  Ulex europaeus E. N. Gladish 1957-8-12 49 Humboldt Five miles southeast of Maple Creek. Comment
  BLMAR141  Umbellularia californica Donald Hazlett 1994-6-7 141 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC91108  Umbellularia californica Doris K. Kildale 1927-8-16 2515 Humboldt Upper Willow Creek Flat - Trinity River Valley. 152 Comment
  HSC41923  Umbellularia californica Ed Cope 1977-4-23 25 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC672857  Urtica dioica subsp. gracilis Joseph P. Tracy 1927-3-6 7837 Humboldt Elk River 30 Comment
  UCD170579  Urtica dioica subsp. gracilis Gordon Leppig 1998-4-13 736 Humboldt Arcata, Anvick Rd. 12 Comment
  CAS-BOT-BC404069  Urtica dioica subsp. holosericea Henry M. Pollard 1956-10-13 s.n. Humboldt Bank of Klamath River at Orleans Hotel, Orleans Comment
  UC1197774  Vaccinium cespitosum J. P. Tracy 1901-4-21 1036 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  UC1197778  Vaccinium cespitosum Joseph P. Tracy 1925-7-5 7176 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1222632  Vaccinium cespitosum Joseph P. Tracy 1951-6-26 19554 Humboldt Snow Camp 1402 Comment
  HSC55012  Vaccinium membranaceum G. L. Clifton 1979-7-31 11394 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC73023  Vaccinium membranaceum Gail Newton 1980-8-10 2001 Humboldt Near Blake Mtn. 1798 Comment
  UC1197783  Vaccinium membranaceum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9034 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC22197  Vaccinium membranaceum J. Burtt Davy 1899-6-21 5759 Humboldt Trinity Summit North Coast Ranges 1524 Comment
  UC562490  Vaccinium membranaceum Joseph P. Tracy 1936-8-7 15096 Humboldt head of Little Hors-Linto Creek Trinity Summit, Little Hors-Linto Creek 1371 Comment
  CAS-BOT-BC199306  Vaccinium ovatum Doris K. Kildale 1926-4-9 1737 Humboldt Samoa peninsula Comment
  RSA31955  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt Bishop Pine Lodge, 3 miles north of Trinidad. Comment
  RSA46803  Vaccinium ovatum Doris K. Kildale 1927-5-15 3189 Humboldt Big Lagoon Flat. Comment
  UCD166885  Vaccinium ovatum Colleen Rossier 2016-9-16 3 Humboldt In vicinity of Red Cap Road, plot Red Cap #2. 264 Comment
  SJSU2573  Valeriana sitchensis subsp. scouleri H. L. Buckalew 1962-7-2 Humboldt junction of Willow Cr & E Fork Willow Cr on Hwy 299 Comment
  UC416773  Valeriana sitchensis subsp. sitchensis Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5839 Humboldt Trinity Summit; North Coast Ranges Comment
Read comments
May 9 2008
  HSC81827  Valeriana sitchensis subsp. sitchensis Thomas W. Nelson 1979-7-11 5027 Humboldt Along trail from Grogan's Hole to North Trinity Mtn., from Grogan's Hole to summit. Comment
  HSC27895  Vancouveria hexandra Clifton Raymond Chesbrough 1973-6-19 62 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  SEINET12094119  Vancouveria hexandra F. H. Utech 1988-1 88 -269 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Van Duzen County Park, Pamplin Grove 50 Comment
  CAS-BOT-BC76096  Vancouveria planipetala Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta. Comment
  RSA438033  Vancouveria planipetala Anstruther Davidson 1918-07 3346 Humboldt Eel River. Comment
  SEINET10536497  Vancouveria planipetala Mary Susan Taylor 1980-6-11 Taylor 2843 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  SEINET10904790  Vancouveria planipetala Jones 1985-5-10 Jones 35 Humboldt T5n,r6e,sec.34, grays falls campground off of hwy 299. Ceanothus, arbutus, Quercus lobata habitat 241 Comment
  UC146078  Vancouveria planipetala Joseph P. Tracy 1908-6-23 2678 Humboldt near Grizzly Gulch; Northern Coast Ranges, near Grizzly Gulch 152 Comment
  UC1173644  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  HSC21176  Verbascum blattaria David Adams 1960-8-20 Humboldt Whitlow (Sequoia) 60 Comment
  HSC53879  Veronica americana Terry Griswold, Marvin Butler 1979-7-10 6360 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  RSA246672  Veronica americana Robert F. Thorne, Percy C. Everett 1965-8-9 35319 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC24848  Veronica anagallis-aquatica D. E. Anderson, Thomas W. Nelson 1972-5-9 Humboldt Just W of Weitchpec on the road to Pecwan Comment
  HSC21208  Veronica persica J. W. Johnson 1962-4-8 1207 Humboldt Arcata, Mad River Co. Park Comment
  HSC59651  Veronica persica Michael Dalke 1979-4-1 11 Humboldt 0.1 mi. E of Hwy. 101, N Bank Rd. 12 Comment
  HSC96800  Viburnum tinus Gordon Leppig 2005-3-23 2002 Humboldt McKinleyville, on E side of Azalea Rd. 55 Comment
  HSC102551  Vicia americana var. americana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1539 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC37952  Vicia americana var. americana Peter Sorensen 1976-6-16 Humboldt Woodley Island Comment
  HSC70657  Vicia americana var. americana Gail Newton 1980-7-14 1534 Humboldt Near Deadman Ridge 1097 Comment
  HSC15259  Vicia hirsuta S. J. Roberts 1965-5-2 48 Humboldt Along old railroad Comment
  OBI12617  Vicia hirsuta Joseph P. Tracy 2016-5-31 4689 Humboldt Stitz Crk. Along Eel River from S Fork to Scotia Comment
  UC1197471  Vicia sativa subsp. sativa Joseph P. Tracy 1915-6-6 4651 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  HSC39995  Vicia sativa subsp. sativa J. P. Smith, J. O. Sawyer 1975-5-31 8145 Humboldt Samoa Peninsula adjacent to Redwood Workshop Area. Comment
  UCR71484  Vicia tetrasperma Barbara Ertter, Thomas J. Delendick 1987-5-16 6912 Humboldt North Coast Range, Hwy 299 roadside c. 8 mi. east of Arcata, 9.5 mi. west of Lord Ellis summit Comment
  CAS-BOT-BC263948  Viola adunca L. B. Kildale 1927-7-23 3788 Humboldt Hoaglin Lake near [Lass---s] Peaks 1524 Comment
  UC502937  Viola bakeri Joseph P. Tracy 1932-7-15 10596 Humboldt ridges e of Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  UC1762513  Viola californica Milo S. Baker 11506 Humboldt South Fork Mountain, Lemonade Spring 1371 Comment
  HSC62757  Viola glabella J. M. DiTomaso 1979-4-21 902 Humboldt Trail from Parking Lot Elks Head at College Cove, Trinidad Comment
  HSC97729  Viola glabella C. Witte 2007-5-10 22 Humboldt Board Camp. 1/2 miles from National Forest 1, on Forest Service Road 4N38. 1395 Comment
  UC1103563  Viola glabella Joseph P. Tracy 1940-8-25 16710 Humboldt near High Prairie; Bald Mountain 1036 Comment
  SEINET11993509  Viola ocellata F. H. Utech 1986-1 86 -388 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  UC668245  Viola ocellata Joseph P. Tracy 1938-5-1 15731 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CDA36588  Viola odorata Gordon Leppig, Sylvia Leppig 2000-12-23 1525 Humboldt Arcata; southwest corner of 10th & I Street. Comment
  CAS-BOT-BC270151  Viola palustris H. E. Parks; Joseph P. Tracy 1927-4-23 7919 Humboldt Big Lagoon, in bog 3 Comment
  CAS-BOT-BC270200  Viola palustris Doris K. Kildale 1926-3-20 1536 Humboldt Big Lagoon Comment
  BLMAR619  Viola praemorsa Jennifer Wheeler 2011-5-24 619 Humboldt Lacks Creek, Stormy saddle 975 Comment
  HSC21876  Viola praemorsa subsp. praemorsa Elrid H. Spinas 1948-5-15 6 Humboldt Horse Mtn. Comment
  HSC32131  Viola purpurea subsp. purpurea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5591 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC95748  Viola sempervirens Kevin Thomas 2004-3-13 2 Humboldt Arcata Community Forest, Jolly Giant Creek diversion dam Comment
  RSA80504  Viola sheltonii Milo S. Baker 1946-6-16 11510 Humboldt South Fork Mt. 1677 Comment
  UC177238  Vitis californica Joseph P. Tracy 1912-7-23 3799 Humboldt along river 5 mi above river mouth; Northern Coast Ranges, South Fork of Eel River 30 Comment
  CDA28607  Vulpia microstachys var. ciliata G. F. Hrusa 1993-6-17 11224 Humboldt Red Mountain; Entrance gate to Red Mt. Comment
  UC1103721  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-15 7478 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC525673  Vulpia microstachys var. pauciflora Joseph P. Tracy 1932-5-22 10116 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  HSC79517  Vulpia octoflora var. octoflora Kenneth Clark 1980-3-24 543 Humboldt Shelter Cove, N fork of Dead Man's Gulch. 76 Comment
  HSC74652  Whipplea modesta M. A. Baker 1980-5-17 1225 Humboldt Near Le Perron Peak 792 Comment
  POM161064  Woodwardia fimbriata Joseph P. Tracy 1926-11-7 7824 Humboldt North Coast Region; around Humboldt Bay: Table Bluff 152 Comment
  CAS-BOT-BC382924  Wyethia angustifolia Carl B. Wolf 1927-8-29 1200 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  HSC38521  Wyethia angustifolia D. E. Anderson, J. P. Smith 1971-6-18 - 1077 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  JEPS32063  Wyethia angustifolia Lincoln Constance 1934-5-29 725 Humboldt Upper Look Prairie (South Fork Eel River, Bull Creek Region); South Fork Eel River, Upper Look Prairie, Bull Creek Region 365 Comment
  RSA21321  Wyethia angustifolia C. B. Wolf 1937-8-13 9222 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  SEINET11799537  Wyethia angustifolia J. P. Tracy 1950-1 18739 Humboldt near Capetown, Bear River Ridge 30 Comment
  JEPS32115  Wyethia longicaulis Jos. P. Tracy 1923-6-21 4254 Humboldt near summit of ridge between Van Duzen and Mad Rivers (Dinsmore Ranch) 1066 Comment
  JEPS41266  Xanthium strumarium W. L. Jepson 1936-8-12 17876 Humboldt South Fork Eel River at Philipsville; South Fork Eel River, Philipsville Comment
  HSC15735  Xerophyllum tenax D. E. Anderson 1965-4-29 3555 Humboldt Rd. from Fickle Hill to Maple Creek, Butler Valley Area Comment
  UC1173649  Xerophyllum tenax Joseph P. Tracy 1937-8-15 15665 Humboldt French Camp 1066 Comment
  HSC34981  Zeltnera muehlenbergii Thomas W. Nelson 1974-9-13 1711 Humboldt King Salmon area Comment
  UC1173725  Zigadenus micranthus var. micranthus Joseph P. Tracy 1930-7-6 8840 Humboldt Kneeland Prairie 762 Comment
  HSC95187  Zostera japonica Gordon Leppig 2002-7-8 1782 Humboldt Indian Island, SW shore 0 Comment



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