Search Results — 2000 specimen records retrieved (1382 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC55072  Abies concolor G. L. Clifton, Griswold 1979-7-31 11656 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  CAS-BOT-BC78025  Abies grandis Doris K. Kildale 1928-6-2 5303 Humboldt Bucksport - near Eureka Comment
  UC502904  Abies grandis Joseph P. Tracy 1932-3-20 9781 Humboldt Trinidad Northern Coast Region, Trinidad 60 Comment
  HSC73071  Abies procera M. A. Baker 1980-7-22 3063 Humboldt Near Salmon Mtn. 1820 Comment
  HSC73073  Abies procera M. A. Baker 1980-7-19 3014 Humboldt Near Bret Hole. 1814 Comment
  CHSC1071  Abronia latifolia M. Underhill 1952-7-13 Humboldt Seashore sand. 0 Comment
  SD41405  Abronia latifolia Edith A. Purer 1932-7-30 4680 Humboldt South of Orick Comment
  HSC62913  Abronia latifolia J. M. DiTomaso 1979-5-20 1062 Humboldt Little River State Beach 10 mi. N of Arcata Comment
  CAS-BOT-BC330540  Acer circinatum Doris K. Kildale 1925-6-28 836 Humboldt Lawrence Creek near bridge on Kneeland--Iaqua road 609 Comment
  CAS-BOT-BC330542  Acer circinatum C. B. Wolf 1931-8-29 2368 Humboldt Redwood Highway, 3 miles N of Orick. (Davison's Ranch on Prairie Creek) 60 Comment
  CAS-BOT-BC330543  Acer circinatum Joseph P. Tracy 1942-7-26 17294 Humboldt Valley of South Yager Creek 609 Comment
  JEPS42746  Acer circinatum W. L. Jepson 1902-6-22 1915 Humboldt near Rio Del; near Rio Del Comment
  UC205485  Acer glabrum var. glabrum Joseph P. Tracy 1919-9-23 5291 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  HSC58344  Acer glabrum var. torreyi Overton, Butler 1979-8-2 12671 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC2814  Acer macrophyllum Elrid H. Spinas 1948-6-16 61 Humboldt Horse Mtn. Comment
  HSC57033  Acer macrophyllum Overton, Butler 1979-7-24 9664 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1199019  Acer macrophyllum Joseph P. Tracy 1933-4-2 10955 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC166038  Acer macrophyllum Joseph P. Tracy 1910-4-17 3117 Humboldt near the forks Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay, nr Elk River 0 Comment
  HSC4572  Achillea millefolium Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC4576  Achillea millefolium S. J. Hawks 1965-5-14 63 Humboldt Clam Beach Comment
  HSC73474  Achillea millefolium Gail Newton 1980-7-11 1312 Humboldt Near Red Mtn. 1341 Comment
  HSC4573  Achillea millefolium John A. DuBois 1962-5-23 31 Humboldt 15 mi. E of Arcata Comment
  UC205165  Achillea millefolium Joseph P. Tracy 1919-9-18 5243 Humboldt in comparatively dry places Trinity Summit; Northern Coast Ranges 1524 Comment
  UC1196355  Achlys californica Joseph P. Tracy 1932-7-13 10491 Humboldt woods near Corral Prairie Klamath Mts., Trinity Summit 1524 Comment
  CAS-BOT-BC210657  Achnatherum lemmonii Joseph P. Tracy 1933-7-25 12849 Humboldt Grouse Mountain 1524 Comment
  UC526754  Achnatherum lemmonii Joseph P. Tracy 1933-6-13 12597 Humboldt On road from Hoopa westward to Bair's (near summit); Hoopa Mountain 1066 Comment
  RSA167290  Achnatherum lemmonii var. lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt Halfway between Snow Camp & Twin Lakes (at Preston's old gate near road) Comment
  RSA10032  Achnatherum nevadense Joseph P. Tracy 1932-7-12 10446 Humboldt Open ground at Corral Prairie, Trinity Summit, Klamath Mountains. 1524 Comment
  BLMAR508  Acmispon brachycarpus Jennifer Wheeler 2009-5-12 508 Humboldt Red Mountain, In serpentine meadow S of School Section Creek 792 Comment
  HSC70923  Acmispon micranthus R. York 1980-5-18 573 Humboldt Near Black Mtn. 792 Comment
  HSC98301  Acmispon micranthus J. W. Johnson 1962-4-19 1276 Humboldt W of Texaco Service Station, Samoa Peninsula, Manila. Comment
  HSC55739  Actaea rubra G. L. Clifton, Griswold 1979-7-26 10241 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC76049  Actaea rubra Overton, Butler 1979-8-2 12542 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1196185  Actaea rubra Joseph P. Tracy 1937-7-2 15410 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  RSA46865  Actaea rubra subsp. arguta Doris K. Kildale 1927-7-10 3729 Humboldt Gans Prairie, Bald Mountain Comment
  HSC57018  Adenocaulon bicolor Overton, Butler 1979-7-24 9630 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC164803  Adenocaulon bicolor Joseph P. Tracy 1909-7-31 3042 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prarie 762 Comment
  UC492186  Adenostoma fasciculatum W. L. Jepson and J. P. Tracy 1932-8-7 10337 Humboldt along rd. between Harris and Chamise Mt. (at point 3 mi. n. of s. boundary of Humboldt Co.); North Coast Ranges 762 Comment
Read comments
Oct 24 2018
  HSC41273  Adiantum aleuticum Brad Klipfel 1974-6-25 421 Humboldt Horse Mtn. Comment
  JEPS336  Adiantum aleuticum W. L. Jepson 1932-7-26 16412 Humboldt Bull Creek Comment
  UC62712  Adiantum aleuticum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5721 Humboldt Supply Creek Comment
  CAS-BOT-BC65628  Adiantum jordanii Doris K. Kildale 1928-12-30 6767 Humboldt Phillipsville Comment
  CAS-BOT-BC65727  Adiantum pedatum Kenneth Clark 1980-6-14 691 Humboldt Point Delgada quad, north fork Dead Man's Gulch 83 Comment
  CAS-BOT-BC202610  Aesculus californica L. R. Abrams 1916-7-10 5965 Humboldt Between Harris and Alder Pt. Comment
  CDA35538  Aesculus californica R. Spandoni & J. R. Hunt 1980-9-3 Humboldt Petrolia. 0 Comment
  UC1199009  Aesculus californica Joseph P. Tracy 1912-7-4 3727 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CHSC10150  Agoseris grandiflora J. W. Johnson 1961-8-17 1004 Humboldt Arcata. Dune field, W. M. Lanphere Farm, Samoa Peninsula. Comment
  HSC70407  Agoseris grandiflora M. A. Baker 1980-6-7 1877 Humboldt Near Ammon Creek 732 Comment
  UC1222936  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19025 Humboldt 3 mi s, sw slopes of Buck Mountain Burr Valley; Buck Mountain 1066 Comment
  HSC74276  Agoseris heterophylla M. A. Baker 1980-5-23 1390 Humboldt Near Buck Mtn. 1524 Comment
  UC165751  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1908-6 2735 Humboldt opposite, in valley of Van Duzen River Buck Mountain; Northern Coast Ranges, Van Duzen River 762 Comment
  SEINET3134343  Agrostis J. B. Davy, W. C. Blasdale 1899-6-13 5521 Humboldt Near Pepperwood Comment
  UC187290  Agrostis J. P. Tracy 1900-8-26 926 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC127282  Agrostis exarata William Arents Silveus 1938-7-9 2983 Humboldt Dyerville. Comment
  CAS-BOT-BC127283  Agrostis exarata Joseph P. Tracy 1933-7-20 12809 Humboldt Along Mad River, near Blue Lake. 15 Comment
  POM207131  Agrostis exarata W. C. Blasdale, Jos Burtt Davy 1899-6-13 5493 Humboldt Near Camp Grant Comment
  RSA10022  Agrostis exarata Joseph P. Tracy 1924-7-13 6731 Humboldt Big Lagoon 6 Comment
  RSA12429  Agrostis exarata C. B. Wolf 1994-7-2 5865 Humboldt edge of small lake at Snow Camp. Mts. east of Korbel Comment
  UC1145154  Agrostis exarata Joseph P. Tracy 1938-7-11 16050 Humboldt sand dunes near Samoa Humboldt Bay 6 Comment
  UC186904  Agrostis exarata Joseph P. Tracy 1911-7-7 3386 Humboldt 3 mi nw Junction of Willow Creek with Trinity River; Northern Coast Ranges 914 Comment
  UC36912  Agrostis exarata Harley P. Chandler June, 1901 1512 Humboldt Klamath River 426 Comment
  RSA293101  Agrostis hallii J. P. Smith 1977-7-3 9257 Humboldt Six Rivers National Forest. Along Forest Service Road 13N01, 3 miles from its junction with Hwy. 36 549 Comment
Read comments
Nov 3 2011
  UC1103526  Agrostis hallii Joseph P. Tracy 1912-7-31 3893 Humboldt nw slope Buck Mountain (Burr Valley); Northern Coast Ranges, nw slope Buck Mountain 1066 Comment
  RSA152377  Agrostis oregonensis Joseph P. Tracy 1941-8-24 17039 Humboldt South Fork Mountain. Near McKay camp. 1677 Comment
  CDA28152  Agrostis stolonifera H. D. Bowers Sep 1938 s.n. Humboldt Nr Beatrice. 0 Comment
  HSC8830  Agrostis thurberiana J. P. Tracy 1930-7-16 8931 Humboldt South Fork Mountain: McKay camp. 1677 Comment
  UC1103371  Agrostis viridis Joseph P. Tracy 1911-7-9 3460 Humboldt wet places along Willow Creek (creek is tributary of Trinity River); Northern Coast Ranges 243 Comment
  UCD55782  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET7594519 Image available Aira caryophyllea Ira L. Wiggins 1932-1 5974 Humboldt Hillside at mouth of Little River Comment
  CAS-BOT-BC138336  Aira caryophyllea var. caryophyllea Ira L. Wiggins 1932-6-18 5874 Humboldt Hillside at mouth of Little River. Comment
  HSC37500  Alisma triviale J. D. Ackerman 1975-8-2 611 Humboldt Intersection of Indianola Cutoff and Hwy. 101, ca. half-way between Eureka and Arcata. Comment
  HSC98976  Allium acuminatum Cara Witte 2008-7-14 900 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  UC1198194  Allium amplectens Joseph P. Tracy 1930-6-21 8777 Humboldt Larrabee Valley 731 Comment
  CAS-BOT-BC460747  Allium amplectens C. C. Harris; S. K. Harris 1936-6-24 645 Humboldt At point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River. 701 Comment
  HSC74047  Allium campanulatum R. York 1980-5-23 611 Humboldt Near Buck Mtn. 1524 Comment
  HSC73536  Allium falcifolium Gail Newton 1980-7-14 1497 Humboldt Near Last Chance Ridge. 1219 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
  HSC2941  Allium triquetrum D. V. Sanford 1963-4-27 48 Humboldt Near old mill behind HSC campus Comment
  UC15002  Allium unifolium Joseph Burtt Davy 1899-6-11 5444 Humboldt between Hubbard's Station and Elk Prairie 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
  CAS-BOT-BC170946  Alnus rhombifolia Doris K. Kildale 1927-5-15 3292 Humboldt Mattole River Valley Comment
  RSA46860  Alnus rhombifolia Doris K. Kildale 1926-8-8 2457 a Humboldt South Fork of Eel River between mouth of Bull Creek and Dyerville bridge. 91 Comment
  UC275561  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6575 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC503096  Alnus rhombifolia Joseph P. Tracy 1930-11-2 9243 Humboldt Camp Grant Northern Coast Ranges, Eel River (along river) 60 Comment
  HSC3435  Alnus rubra Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  UC72510  Alnus rubra H. P. Chandler 1905-5-1 Humboldt Eureka Comment
  UCSC000176  Alnus rubra G. T. Nordstrom 1933-6-30 1425 Humboldt 1 mile N.N.E. of Orick 3 Comment
  HSC99364  Alnus viridis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 13 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC8884  Alopecurus geniculatus True Hoyle 1967-7-15 28267 Humboldt Dolson Ranch, 225 Bayside Rd., Arcata, next to Grade A milking barn 152 Comment
  UC1116222  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton 30 Comment
  SEINET11674241  Alopecurus saccatus J. P. Tracy 1951-1 19525 Humboldt back of Everett Beck house (formerly George Gray) bed of former Goose Lake, Hydesville Comment
  RSA167300  Ambrosia artemisiifolia Joseph P. Tracy 1950-8-20 19313 Humboldt Frank Graham's place. Trinity River Valley at Willow Creek. 152 Comment
  CAS-BOT-BC13706  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt At mouth of Little River Comment
  CHSC56516  Ambrosia chamissonis L. P. Janeway 1983-9-24 704 Humboldt Sand-spit at Big Lagoon. 3 Comment
  HSC12525  Ambrosia chamissonis Wilbur Peterson 1970-10-7 13 Humboldt McKinleyville Beach at the end of Murray Rd. Comment
  UCR122369  Ambrosia chamissonis George K. Helmkamp, E. A. Helmkamp 2001-7-8 7020 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  SD39999  Ambrosia chamissonis Edith A. Purer 1932-7-27 4144 Humboldt Samoa, near Arcata on sand dunes Comment
  HSC70381  Amelanchier alnifolia M. A. Baker 1980-6-7 1794 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC142887  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1927-5-14 3192 Humboldt Big Lagoon Comment
  CAS-BOT-BC142892  Amelanchier alnifolia var. semiintegrifolia Harley P. Chandler 1901-6-1 1282 Humboldt Hupa Indian Reservation 1097 Comment
  CAS-BOT-BC142893  Amelanchier alnifolia var. semiintegrifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC70814  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-24 1778 Humboldt Near Somes Mtn. 1615 Comment
  RSA183634  Amelanchier florida D. E. Anderson 1964-4-24 3541 Humboldt 0.5 mile from Hwy 299, on Titlow Hill road. Comment
  HSC8842  Ammophila arenaria Paul Shields Apr 1955 Humboldt 5 mi. SW Arcata Comment
  HSC8843  Ammophila arenaria Paul Shields 1955-9-22 Humboldt 12 mi. NW Arcata Comment
  UC1222278  Amsinckia intermedia Joseph P. Tracy 1948-5-31 18023 Humboldt 2 mi w of Bridgeville (roadside, at the big rock) Comment
  HSC63009  Anemone deltoidea M. Dean Griswold Jr. 1979-4-21 24 Humboldt N side of Hwy. 36 Comment
  HSC100609  Anemone grayi Carl C. Marshall Apr 1887 352 Humboldt Humboldt Hill. 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
  JEPS14171  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  UC1103415  Angelica genuflexa Joseph P. Tracy 1948-9-5 18168 Humboldt Happy Camp Mountain, Trinity Summit area Happy Camp Mountain; , Trinity Summit area 1280 Comment
  UC126727  Angelica lucida John Matthiesen 1908-8-17 Humboldt Loleta Comment
  UC1400338  Angelica lucida Robert F. Thorne and P. Everett 1965-8-9 35337 Humboldt along Hwy 101 about 3 mi n Eureka 1 Comment
  UC154048  Angelica lucida Joseph P. Tracy 1909-9-19 3087 Humboldt Region about Humboldt Bay (near Samoa, Northern Coast Region); Northern Coast Region 0 Comment
  UC183771  Angelica tomentosa Joseph P. Tracy 1913-9-9 4391 Humboldt Northern Coast Ranges, at s end of Big Lagoon Big Lagoon Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 30 Comment
  UC642239  Angelica tomentosa Joseph P. Tracy 1938-8-14 16107 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  HSC57628  Antennaria howellii G. L. Clifton, Griswold 1979-7-25 10768 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC10102  Anthoxanthum occidentale E. W. Styskel 1963-4-20 19 Humboldt 3 mi SE of Korbel on Snow Camp Rd. 290 Comment
  UC922011  Anthoxanthum odoratum Joseph P. Tracy 1942-6-2 17101 Humboldt 2 mi n of Bridgeville 609 Comment
  JEPS45613  Aphanes occidentalis W. L. Jepson 1921-8-7 9337 a Humboldt Stone Lagoon; Humboldt Coast Comment
  UC1198737  Aphanes occidentalis J. P. Tracy 1904-4-3 2005 Humboldt immediate vicinity Eureka 0 Comment
  HSC58233  Apocynum androsaemifolium Walter Overton 1979-8-1 12388 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC213319  Apocynum androsaemifolium Joseph P. Tracy 1919-9-23 5280 1/2 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  HSC75563  Aquilegia formosa Kenneth Clark 1980-6-14 666 Humboldt On western slope above Dead Man's Gulch (near parking access) 145 Comment
  HSC18041  Aquilegia formosa var. formosa N. D. Dennis 1965-5-8 57 Humboldt 2.5mi N of Willow Creek Comment
  HSC81489  Arabis divaricarpa var. interposita Thomas W. Nelson 1979-7-11 5028 Humboldt Along trail from Grogan's Hole to North Trinity Mtn., from Grogan's Hole to summit. Comment
  UC154136  Aralia californica H. M. Hall 1899-9 Humboldt Eel R. Comment
  HSC79369  Arbutus menziesii Kenneth Clark 1980-11-28 1050 Humboldt Above Point No Pass 488 Comment
  HSC98832  Arbutus menziesii Cara Witte 2008-9-13 1040 Humboldt Forest Service Road 4N38. 1/2 mile south of intersection to Tri Board Camp. 1506 Comment
  HSC74408  Arceuthobium campylopodum Gail Newton 1980-8-10 2022 Humboldt Near Blake Mtn. 1798 Comment
  UC672852  Arceuthobium campylopodum Joseph P. Tracy 1932-7-14 10571 Humboldt ridges e of Corral Prairie Trinity Summit 1676 Comment
  UC1119281  Arctium minus H. L. Person 1932-9-3 Humboldt Camp 9, Freshwater Euerka Quad. Comment
  UC585952  Arctostaphylos Joseph P. Tracy 1927-5-15 8059 Humboldt on rd w from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  CAS-BOT-BC23755  Arctostaphylos columbiana Alice Eastwood; John Thomas Howell 1934-4-11 1328 Humboldt Patrick's Point Comment
  CAS-BOT-BC23766  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6142 Humboldt Patrick's Point 30 Comment
  CAS-BOT-BC23770  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. betwwn Shelter Cove and Kenny Comment
  CAS-BOT-BC23779  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt Fickle Hill, 6 mi. SE of Arcata 609 Comment
  CAS-BOT-BC23790  Arctostaphylos columbiana Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon 6 Comment
  CAS-BOT-BC23799  Arctostaphylos columbiana E. K. Balls; L. W. Lenz 1955-5-16 20746 Humboldt 24.6 mie. SE of Shelter Cove, Coast Road to Rockport 457 Comment
  CAS-BOT-BC23815  Arctostaphylos columbiana C. Hart Merriam 1921-7-10 s.n. Humboldt 19.5 miles south of Garberville, South fork of the Eel River. Comment
  CHSC63763  Arctostaphylos columbiana Walter Knight; Irja Knight 1988-9-5 6363 Humboldt Bald Hill Road about 21.5 miles from U. S. 101 en route to Hoopa. 929 Comment
  RSA622695  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27673 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
  UC1121466  Arctostaphylos columbiana A. E. Wieslander 1939-9-2 994 Humboldt 2 mi sw Big Lagoon (17 mi s of Orick); Rocky Pt. Quadrangle 7 Comment
  UCD50750  Arctostaphylos columbiana Joseph P. Tracy 1948-3-13 17955 Humboldt Table Bluff. 91 Comment
  UCD50759  Arctostaphylos columbiana Roman Gankin; Richard Hildreth 1967-10-26 1169 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  SEINET11989090  Arctostaphylos columbiana var. tracyi R. Gankin, Hildreth, W. R. 1967-1 1170 Humboldt 21.4 mi E of US 101 on Bald Hills Rd (from Orick), French Camp Ridge Comment
  UCSB11336  Arctostaphylos glandulosa Zinke, P. 1950-10-9 Humboldt King Peak 1219 Comment
  RSA632800  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27771 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  RSA633024  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27809 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  UC1174949  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1959-10-24 23954 Humboldt 6.8 mi sw from Siskiyou-Humboldt Co. line (Somesbar to Orleans) 152 Comment
  CAS-BOT-BC40067  Arctostaphylos nevadensis subsp. knightii Walter Knight; Irja Knight 1988-9-5 6360 Humboldt 21 miles up Bald Hill road from US-101 en route to Hoopa. 975 Comment
  CAS-BOT-BC43978  Arctostaphylos uva-ursi Doris K. Kildale 1927-9-9 3306 Humboldt Big Lagoon Comment
  CAS-BOT-BC43982  Arctostaphylos uva-ursi Alice Eastwood 1923-8-14 12312 Humboldt Samoa Comment
  CAS-BOT-BC47209  Arctostaphylos uva-ursi Doris K. Kildale 1926-6-18 2395 Humboldt Gold Bluffs. Comment
  UC1073330  Arctostaphylos uva-ursi George B. Rossbach 1955-6-10 380 Humboldt sandy point off Eureka; Fairhaven Comment
  UCD52032  Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt Near Samoa, on Humboldt Bay. Comment
  UCD52155  Arctostaphylos uva-ursi Roman Gankin; W. R. Hildreth 1967-10-24 1146 Humboldt 1.7 miles s. of Samoa, on the Humboldt Peninsula. Humboldt County, California. Comment
  RSA1903  Arctostaphylos uva-ursi var. coactilis C. B. Wolf 1930-10-28 1035 Humboldt Samoa. 15 Comment
  UC668124  Arenaria congesta var. suffrutescens Joseph P. Tracy 1932-7-12 10478 a Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  BLMAR64  Armeria maritima subsp. californica Jennifer Anthony-Wheeler 1994-5-18 64 Humboldt Samoa/manilla dunes, growing in clumps around annual grasses 6 Comment
  RSA245204  Armeria maritima subsp. californica Jerry Parker 1968-10-14 29 .1 Humboldt Mckinleyville Beach. Comment
  HSC33417  Arnica cernua Thomas W. Nelson 1974-5-30 1345 Humboldt Along Hoopa-Redwood Valley Rd. Comment
  UC582488  Arnica cordifolia Joseph P. Tracy 1935-7-30 14372 Humboldt top of ridge s of Red Cap Lake; Salmon Summit 2011 Comment
  CAS-BOT-BC82648  Arnica latifolia Doris K. Kildale 1926-4-25 1808 Humboldt Sugar Bowl Mountain on old road [frm.] from Willow Creek to Hoopa 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
  UC1222996  Artemisia douglasiana Joseph P. Tracy 1950-8-20 19326 Humboldt 8 mi below Orleans (in sandy alluvial wash at Big Bar, near Slate Creek); Klamath River 121 Comment
  UC153943  Artemisia douglasiana Joseph P. Tracy 1910-9-25 3160 Humboldt on Humboldt Bay 0 Comment
  UC302288  Artemisia douglasiana Joseph P. Tracy 1926-9-6 7796 Humboldt near South Fork; Trinity River Valley Comment
  CAS-BOT-BC90868  Artemisia pycnocephala H. E. Parks; S. T. Parks 1952-6-1 24495 Humboldt Samoa Comment
  RSA34238  Artemisia pycnocephala C. B. Wolf 1927-8-29 1206 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  UC164826  Artemisia pycnocephala J. P. Tracy 1909-7-18 3023 Humboldt opp. Eureka (sand hills of ocean beach); Samoa Comment
  IRVC497  Artemisia pycnocephala John Johnson 1961-9-4 1098 Humboldt Arcata; Christenson Farm. Comment
  HSC5042  Artemisia suksdorfii H. E. Parks May 1940 24178 Humboldt Little River Comment
  SEINET201066  Artemisia suksdorfii Joseph P. Tracy 1934-7-13 13382 Humboldt Coastal bluffs 3 Comment
  HSC44110  Asarum caudatum Barbara Kelly 1977-4-23 307 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  POM318583  Asarum caudatum Patricia Wilder 1968-8-22 4421 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
  UC1103508  Asarum caudatum Joseph P. Tracy 1913-3-30 4033 Humboldt Eureka Comment
  UC302986  Asarum caudatum Joseph P. Tracy 1926-5-22 7512 Humboldt Prairie Creek 152 Comment
  UC1135997  Asarum caudatum R. Stahelin 1933-5-18 Humboldt Aroata City Park; Eureka Comment
  UCD137836  Asarum caudatum Suzanne E. May 1967-4-15 21 Humboldt on Kneeland Road, 5 miles east of Bridgeville. 243 Comment
  HSC3273  Asarum hartwegii Doris K. Kildale 1926-5-2 1876 Humboldt Willow Creek Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  HSC99498  Asarum hartwegii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 158 Humboldt Near North Trinity Mtn, along Forest Service Rd 10NO2, between two forks of Domingo Creek 1433 Comment
  SEINET12097904  Asarum hartwegii H. P. Chandler 1901-1 1478 Humboldt Klamath River 396 Comment
  SEINET201000  Asclepias cordifolia Joseph P. Tracy 1911-7-9 3477 Humboldt West side of Trinity River near Willow Creek. 183 Comment
  UC1173689  Asclepias fascicularis Joseph P. Tracy 1939-7-16 16349 Humboldt Garberville 152 Comment
  UC449996  Asclepias speciosa Mrs. M. H. Manning 1900-6 Humboldt Hupa Valley Comment
  HSC100388  Aspidium nevadense Carl C. Marshall Apr 1885 124 Humboldt Near streams and swamps. Comment
  UC162774  Aspidotis densa Joseph P. Tracy 1911-7-6 3354 Humboldt along rd between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC44046  Aspidotis densa Thomas W. Nelson, Jane Nelson 1977-7-1 3547 Humboldt On Ridge N of Bear Cr. 100 m W of Rd. 1S07 1555 Comment
  RSA167200  Aster foliaceus var. lyallii Joseph P. Tracy 1950-8-7 19271 Humboldt Box Camp, Trinity Summit 1463 Comment
  CDA26596  Astragalus agnicidus R. Drewry 1988-7-15 Humboldt Near Miranda. 0 Comment
  HSC96346  Astragalus agnicidus Gordon Leppig 2001-6-25 2107 Humboldt PALCO land, edge of logging road. 700 Comment
  SFV18601  Astragalus umbraticus T. W. Nelson, J. P. Nelson 1987-6-27 8620 Humboldt Along USFS road to Onion Lake, 8.2 miles from junction with State Route 96. 823 Comment
  HSC104349  Astragalus umbraticus James Regan, Humboldt Redwood Co., LLC 2004-1 12 Humboldt Bald Hills, Weitchpec Road Comment
  HSC69890  Asyneuma prenanthoides Thomas W. Nelson, Jane P. Nelson 1977-7-30 3662 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  HSC70632  Athysanus pusillus R. York 1980-5-18 584 Humboldt Near Black Mtn 792 Comment
  HSC23467  Atriplex prostrata Wilbur Peterson 1971-11-1 407 Humboldt Salt Marsh of Humboldt Bay neat Jct. of G St. and Hwy. 101 in Arcata. Comment
  HSC82971  Atriplex prostrata A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC97550  Atriplex prostrata Ivy Watson 2008-10-11 56 Humboldt Mad river, near river mouth, S bank 6 Comment
  CAS-BOT-BC146202  Avena barbata Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  UCD56227  Avena barbata A. H. Murphy 1951-3-30 s.n. Humboldt Beside county road. 6 miles south of Petrolia near Mattole Valley Range Hall. Comment
  HSC9026  Avena fatua Gene S. Van Horn 1962-5-23 26 Humboldt Arcata, at the corner of 13th St. and F St. 46 Comment
  HSC36924  Baccharis douglasii Thomas W. Nelson, W. E. Pratt 1975-8-10 2241 Humboldt Along Shively Rd. N of Shively Comment
  RSA607468  Baccharis pilularis R. S. Woglum 1938-8-29 2029 Humboldt North Coast: Trinidad. Comment
  UC1222974  Baccharis pilularis Joseph P. Tracy 1949-10-16 18589 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  HSC89419  Baccharis pilularis subsp. pilularis P. A. Daly 1986-2-28 58 Humboldt Trinidad Head 61 Comment
  UCD129526  Balsamorhiza deltoidea James P. Smith 1973-5-5 6416 Humboldt along Cook and Green Pass road. Comment
  HSC99112  Barbarea verna Cara Witte 2008-7-16 903 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile S of intersection with National Forest 1. 1409 Comment
  CAS-BOT-BC145787  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of South Yager Creek. 762 Comment
  UC581761  Bellis perennis Joseph P. Tracy 1937-6-20 15345 Humboldt 10 mi upstream from mouth Bear River 152 Comment
  CAS-BOT-BC106356  Bellis perennis John H. Thomas 1966-3-19 11489 Humboldt Near the M.G. Goethe Grove in Prairie Creek Redwoods State Park near highway 101. Between Eureka and Crescent City. Comment
  UC205467  Berberis aquifolium Joseph P. Tracy 1920-8-1 5347 Humboldt Lawrence Creek Kneeland Prairie 457 Comment
  UC1198384  Berberis aquifolium var. aquifolium Joseph P. Tracy 1948-9-5 18186 Humboldt on ridge 2 mi e Grove's Prairie (3 mi s of Grizzly Camp) 1524 Comment
  HSC74356  Berberis aquifolium var. repens Gail Newton 1980-6-17 228 Humboldt Near Onion Mtn. 1341 Comment
  CAS-BOT-BC75677  Berberis nervosa L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp. 1219 Comment
  HSC31569  Berberis nervosa Glenn McGourty 1974-5-11 39 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  HSC3352  Berberis nervosa Francis Winter 1960-4-23 Humboldt 2 mi. E of Korbel 46 Comment
  CAS-BOT-BC75798  Berberis pinnata Doris K. Kildale 1926-9-5 2645 Humboldt Signal Peak - Lasseck's Peak. 1791 Comment
  CAS-BOT-BC75803  Berberis pinnata Doris K. Kildale 1929-3-19 7025 Humboldt Top of Liscom Hill, near Essex. 853 Comment
  HSC97508  Berberis pinnata subsp. pinnata Cara Witte 2007-5-21 71 Humboldt Along National Forest 1. Approximately 1 mile north of White Oak Opening. 1267 Comment
  CAS-BOT-BC66273  Blechnum spicant Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  SBBG25588  Blechnum spicant E. R. Blakley 1966-8-17 6792 Humboldt Little Crk, Prairie Crk St Park, ca. 10 mi N of Orick 64 Comment
  UCD114455  Boechera platysperma Joseph P. Tracy 1932-7-12 10458 Humboldt Klamath Mountains, Trinity Summit. Rocky exposed places, head of Brett Hole. 1828 Comment
  UC1713685  Boschniakia strobilacea J. P. Tracy 1916-6-25 4739 Humboldt ridge between Little River and Redwood Creek Comment
  UC123067  Botrychium multifidum Mrs. R. M. Austin 1894-1 Humboldt Ferndale Comment
  JEPS49658  Boykinia major Joseph P. Tracy Jul 16 1930-Jul 19 1930 8935 Humboldt McKay Camp South Fork Mountain (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  RSA109288  Boykinia occidentalis H. E. Parks, Susan T. Parks 1952-06 24451 Humboldt Spruce Cove, Trinidad. 61 Comment
  CAS-BOT-BC420264  Boykinia occidentalis L. B. Kildale 1930-6-1 9746 Humboldt Klamath River at Weitchpec Comment
  HSC27017  Boykinia occidentalis Brad Klipfel 1973-8-17 270 Humboldt Big Lagoon Park Comment
  HSC67082  Boykinia occidentalis Richard Spjut 1980-5-19 6198 Humboldt Between Willow Creek and Hoopa along Hwy. 96 Comment
  HSC28192  Brassica rapa Thomas W. Nelson 1971-4-12 373 Humboldt Hookton Rd. at the junction of Copenhagen Rd. Comment
  HSC83441  Briza maxima R. N. Raynor 1935-5-22 Humboldt Ft. Seward Comment
  UCD57276  Briza maxima Joseph P. Tracy 1950-5-30 18711 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC79436  Briza minor Kenneth Clark 1980-6-14 664 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 30 Comment
  SEINET4183111 Image available Briza minor Joseph P. Tracy 1912-6-9 3664 Humboldt Alton 30 Comment
  HSC3016  Brodiaea terrestris subsp. terrestris T. M. Mingo May 1965 Humboldt 100 ft. N of parking area at College Cove Comment
  UCD125575  Bromus Laurel Goldsmith 2012-11-1 s.n. Humboldt Near Arcata. Humboldt Bay National Wildlife Refuge. Lanphere Dunes Unit, just outside main office. 6800 Lanphere Road. 5 Comment
  UCD59215  Bromus carinatus var. marginatus R. Tofsrud 1948-9-1 s.n. Humboldt Road between Horse Mt. and Grouse Mt. 1371 Comment
  HSC9271  Bromus diandrus J. W. Johnson 1962-4-18 1268 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  SEINET4391136  Bromus diandrus W. D. Billings 1940-6-22 1343 Humboldt 0.5 mile N of Trinidad Comment
  RSA10108  Bromus hordeaceus Joseph P. Tracy 1933-6-25 12622 Humboldt Along Eel River, 2 to 5 miles east of South Fork.Camp Grant. Comment
  UC1103271  Bromus laevipes Joseph P. Tracy 1911-7-6 3339 Humboldt between Three Creeks and mouth of Willow Creek (Northern Coast Ranges); Northern Coast Ranges 762 Comment
  SEINET200938 Image available Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley, near the South Fork. Comment
  UC34135  Bromus vulgaris Joseph Burtt Davy 1899-6-10 5406 Humboldt Hubbard's Station Comment
  UC175208  Cacaliopsis nardosmia Joseph P. Tracy 1913-6-17 4186 Humboldt Buck Mountain, near the summit Buck Mountain 1676 Comment
  UC1198277  Cakile edentula Joseph P. Tracy 1941-8-3 16978 Humboldt at w foot of Table Bluff Table Bluff 3 Comment
  HSC46014  Cakile maritima Catherine Chin 1978-8-13 104 Humboldt Trinidad State Park, College Cove Beach Comment
  RSA53860  Calamagrostis koelerioides Henry M. Pollard 1946-8-28 s.n. Humboldt Near Summit of Orleans Mt. 1829 Comment
  SBBG83771  Calamagrostis koelerioides J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  HSC45628  Calandrinia ciliata Diane L. Reed 1978-5-27 132 Humboldt Horse Mtn., Titlow Hill Rd., 2.7 mi. from Hwy. 299 Comment
  UC176676  Calandrinia ciliata Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3580 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC153940  Callitriche marginata J. P. Tracy 1910-5-22 3137 Humboldt Immediate Vicinity of Eureka 0 Comment
  HSC102506  Calocedrus decurrens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1491 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC57042  Calocedrus decurrens Overton, Butler 1979-7-24 9685 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC99537  Calocedrus decurrens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 202 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1197681  Calochortus amabilis Joseph P. Tracy 1935-5-25 13895 Humboldt Dobbyn Creek 152 Comment
  UCR84791  Calochortus amabilis Kathy Harper 1992-5-14 s.n. Humboldt S-facing road embankment on Hwy 254 (parallel to Hwy 101), where road follows S fork of Eel River, c. 1 mi north of Phillipsville 91 Comment
  JEPS61632  Calochortus amabilis Lincoln Constance 1934-6-1 769 Humboldt between Bull Creek flat grove (mouth of Bull Creek) and Dyerville Bridge (Bull Creek road); South Fork Eel River, Bull Creek Region 45 Comment
  SEINET4169987  Calochortus pulchellus Unknown 1948-6-13 18050 Humboldt Harris 610 Comment
  HSC44357  Calochortus tolmiei Brad Klipfel 1974-5-27 399 Humboldt Horse Mtn., ridge top near forks in rd. Comment
  SEINET10528701  Calochortus tolmiei Lincoln Constance, Alan A. Beetle 1940-5-17 Constance 2614 Humboldt Perianth white to purplish, densely hairy within; gland purple. With Amelanchier and prunus, serpentine? Soil of openings in cut-over pinus Ponderosa-pseudotsuga-quercus garryana forest, larrabee valley, near eureka Comment
  UC1222546  Calochortus vestae Joseph P. Tracy 1950-7-6 19004 Humboldt 2 mi s Burr Valley (on the Albee Raod) 1158 Comment
  CAS-BOT-BC273317  Calycadenia fremontii Henry M. Pollard 1945-8-21 s.n. Humboldt Orleans to Somes Bar Comment
  UC1196471  Calypso bulbosa J. P. Tracy 1901-4-26 1041 Humboldt immediate vicinity of Eureka (Humboldt Hill); Humboldt Hill 0 Comment
  UC275535  Calypso bulbosa Joseph P. Tracy 1924-3-30 6631 Humboldt near Bridgeville (Northern Coast Ranges); Northern Coast Ranges 182 Comment
  HSC55082  Calyptridium monospermum G. L. Clifton, Griswold 1979-7-31 11746 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC98759  Calyptridium monospermum Cara Witte 2008-7-2 815 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 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
  UC562487  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1933-8-30 13006 Humboldt Horse Mountain , Horse Mountain (Northern Coast Ranges) 1310 Comment
  RSA178575  Calystegia purpurata Joseph P. Tracy 1950-6-8 18769 Humboldt Near petrolia Hills between Town and Ocean. Comment
  UC1222150  Calystegia purpurata subsp. purpurata Joseph P. Tracy 1950-6-8 18769 Humboldt near Petrolia (2 mi down river, hills between town and Ocean); near Petrolia Comment
  POM232320  Calystegia soldanella I. L. Wiggins 1930-7-7 4669 Humboldt Sand dunes near Samoa. Comment
  RSA296783  Calystegia soldanella Clark L. Miller 1979-5-24 1 -149 Humboldt Sandy Dunes off Somoa Blvd. approx. a half mile from Coast Guard Station Gate. Comment
  UC584209  Calystegia soldanella David D. Keck and J. Clausen 1935-6-16 3384 Humboldt mouth of Little River Comment
  CHSC445  Calystegia soldanella M. Underhill 1952-7-13 Humboldt 0 Comment
  RSA12420  Camassia leichtlinii subsp. suksdorfii Carl B. Wolf 1934-7-2 5873 Humboldt At small lake at Snow Camp (Mtns E of Korbel) 1372 Comment
  CAS-BOT-BC493387  Camassia quamash subsp. linearis Doris Kildale 1931-5-10 10687 Humboldt Snow Camp Comment
  NY679576  Camissonia cheiranthifolia subsp. cheiranthifolia L. Abrams 1916-7-18 6120 Humboldt Arcaba to Trinidad. Comment
  HSC16464  Camissonia strigulosa Norman H. Moe 1962-5-17 Humboldt Lanphere's Place Comment
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Dec 14 2019
  HSC78087  Camissonia strigulosa L. P. Janeway, Amy Eisenberg 1984-4-24 745 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven Rds. and E of the Willow patch 3 Comment
  CAS-BOT-BC160245  Camissoniopsis cheiranthifolia subsp. cheiranthifolia D. E. Breedlove 1962-6-7 3036 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  SEINET10462971  Campanula prenanthoides Pollard 1948-7-23 POLLARD s.n. Humboldt Reece Point near Orleans Comment
  SEINET10972392  Campanula prenanthoides Perry 1930-7-11 Perry s.n. Humboldt Humboldt State Park Comment
  UC168961  Campanula prenanthoides Joseph P. Tracy 1909-8-1 3061 Humboldt in woods Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC35938  Campanula scouleri Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2031 Humboldt French Camp, Bald Hills. Comment
  HSC74731  Campanula scouleri Gail Newton 1981-7-24 2300 Humboldt Near Chaparral Mtn. 1433 Comment
  RSA12439  Campanula scouleri C. B. Wolf 1934-7-2 5854 Humboldt 2 miles from Bald Mt. on road to Korbel. Comment
  SEINET10463752  Campanula scouleri Rattan 1883-6-29 RATTAN s.n. Humboldt Near Redwood Creek Comment
  HSC6624  Capsella bursa-pastoris Paul Shields Jul 1955 Humboldt 2 mi. S of Weott Comment
  HSC103887  Cardamine angulata Dana York, Laura Julian, Hilary Sundeen, Jenny Lynn Hutchinson 2014-5-14 3231 Humboldt Redwood State and National Parks; in the Lost Man Creek drainage, along a dirt road, 1.2 air-km E of State Route 101, just above the south bank of Lost Man Creek. 24 Comment
  SDSU2482  Cardamine angulata Wayne A. Bemis 1964-5-8 289 Humboldt North Coast redwood rain forest. Freshwater Forest of Freshwater City. 94 Comment
  UC161544  Cardamine breweri Joseph P. Tracy 1906-4-29 2432 Humboldt 2 mi from Fields Landing (s slope Humboldt Hill, region about Humboldt Bay); Northern Coast Region, about Humboldt Bay, Humboldt Hill 0 Comment
  CAS-BOT-BC37419  Cardamine californica LeRoy Ellsworth Detling 1935-4-20 1643 Humboldt Redwood flat, 1 mile north of Dyerville. Comment
  HSC36518  Cardamine californica J. D. Ackerman, A. M. Montalvo 1973-5-6 61 Humboldt 5 mi. from Weott on Bull Creek Flat Rd. 274 Comment
  HSC40907  Cardamine californica J. O. Sawyer 1970-4-24 2189 Humboldt Groves Prairie below Lone Pine Ridge, N of Willow Creek Comment
  HSC6703  Cardamine californica Elrid H. Spinas 1948-5-15 17 Humboldt Horse Mtn. Comment
  UC492257  Cardamine californica var. californica Joseph P. Tracy 1927-3-27 7863 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 457 Comment
  HSC99003  Cardamine californica var. californica Cara Witte 2008-6-18 744 Humboldt Horse Mountain Botanical Area. 3/4 mile west of intersection 6N36, 6N36A. 1375 Comment
  RSA0034559  Cardamine californica var. integrifolia H. E. Parks, Joseph P. Tracy 1931-3-26 916 Humboldt Lower Van Duzen River. 61 Comment
  CAS-BOT-BC37890  Cardamine oligosperma Alice Eastwood 1907-4-21 21 Humboldt Trinidad. Comment
  HSC78610  Cardamine oligosperma L. P. Janeway 1984-3-17 716 Humboldt N Spit of Humboldt Bay, W of Samoa Rd. near the boat launch ramp 5 Comment
  CAS-BOT-BC38127  Cardamine pensylvanica Joseph P. Tracy 1937-7-2 15401 Humboldt Trinity Summit. Head of Little Hors-Linto Creek. 1371 Comment
  HSC91607  Cardionema ramosissimum E. Mackey 1987-9-5 Humboldt Patricks Point State Park; in dune area Comment
  CAS-BOT-BC281808  Carduus tenuiflorus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  CAS-BOT-BC18268  Carex David D. Keck 1946-7-4 5604 Humboldt South Fork of Eel River, 8 miles north of Garberville. Comment
  UC562439  Carex amplifolia Joseph P. Tracy 1936-8-7 15092 Humboldt head of Little Hos Linto Cr. North Coast Ranges, Trinity Summit, Little Hos Linto Cr. 1371 Comment
  HSC95392  Carex arcta Gordon Leppig 2002-7-12 1785 Humboldt PalCo land, .5 mi. W of Fox Creek Rd., W side of large swamp 70 Comment
  JEPS25970  Carex arcta Joseph P. Tracy 1934-7-13 13389 Humboldt Dow's Prairie. Comment
  RSA22378  Carex arcta Joseph P. Tracy 1937-8-12 15645 Humboldt Snow Camp Comment
  CAS-BOT-BC19218  Carex barbarae Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  CHSC106469  Carex barbarae Peter F. Zika 2009-6-16 24503 Humboldt Outer North Coast Range (NCoRO). E side of Route 96, near town of Hoopa, W side of Trinity River. 90 Comment
  SEINET7484301 Image available Carex barbarae Peter F. Zika 2009-1 24503 Humboldt E side of Route 96, near town of Hoopa, W side of Trinity River, Outer North Coast Range (NCoRO) 90 Comment
  CAS-BOT-BC19435  Carex bolanderi Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mountain. 1524 Comment
  UC562431  Carex bolanderi Joseph P. Tracy 1936-6-9 14912 Humboldt Upper Mattole 457 Comment
  POM247168  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt 2 miles SW of top, Salmon Summit. 1768 Comment
  SEINET3899382  Carex buxbaumii Thomas Nelson, Jane P. Nelson 1978-7-2 4397 Humboldt Along road 2S08 near Pine Mountain.; 0 1463 Comment
  HSC95814  Carex canescens Juha Pykala, D. H. Norris 1987-6-10 1473 Humboldt 4.5 mi. N of Weitchpec, Blue Lake 838 Comment
  UC1103598  Carex concinnoides Joseph P. Tracy 1926-6-27 7681 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  CAS-BOT-BC34984  Carex densa Alice Eastwood; John Thomas Howell 1937-6-22 4735 Humboldt Near Alder Point. Comment
  CHSC97053  Carex echinata subsp. phyllomanica Gordon Leppig 1998-6-8 798 Humboldt Big Lagoon County Park. Big Lagoon Bog. Common in northern section. NAD27 UTM Zone 10, 405321E 4557202N. 3 Comment
  CAS-BOT-BC19969  Carex exsiccata Doris K. Kildale 1927-7-23 3797 Humboldt Hoaglin Lake near Lassecks Peaks [Signal Peak]. Comment
  CHSC98332  Carex feta Thomas W. Nelson; Jane P. Nelson 1982-7-11 7115 Humboldt North Coast Ranges. Along road from Hindley's cabin on McKeown's ranch to Anderson's ford at Mad River. T02N R05E S28 and 29. Comment
  CAS-BOT-BC20014  Carex feta Joseph Prince Tracy 1928-6-17 8451 Humboldt Trinity RIver Valley, at Willow Creek. 152 Comment
  SEINET7559345 Image available Carex fracta L. P. Janeway 2003-7-30 7942 Humboldt Grouse Mountain Quad, High North Coast Range, on northeast side of Titlow Hill Road, across from a small pond, on the map but un-named, 1.1 km south of Cold Spring. 1426 Comment
  UC303017  Carex geyeri Joseph P. Tracy 1926-6-20 7639 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  CAS-BOT-BC28420  Carex gracilior Joseph Prince Tracy 1938-6-9 15878 Humboldt Dobbyn Creek 152 Comment
  SEINET11442497  Carex gynodynama Unknown 1927-5-8 7969 Humboldt PHILLIPSVILLE...FACING SOUTH FORK OF EEL RIVER 122 Comment
  SEINET7561208 Image available Carex gynodynama M. J. Waterway, M. J. Lechowicz 1984-4-22 3057 Humboldt About 10 mi E of Arcata on Maple Creek Road, 6 mi W of jct with Butler Valley Road. Comment
  HSC103083  Carex hassei Sydney Carothers 2014-6-22 25 Humboldt Six Rivers National Forest, Lassics Botanical Area. Below trail to Mount Lassic. 1707 Comment
  HSC76780  Carex hendersonii L. P. Janeway 1983-5-29 320 Humboldt Along Jolly Giant Creek, E of HSU campus 61 Comment
  POM292662  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  SEINET10650830  Carex hendersonii Victor Duran 1933-5-12 Duran 3412 Humboldt Bull Creek, at S Fork of the Eel River. Redwood forest floor. Comment
  SEINET10855915  Carex hendersonii David Castaner 1984-5-29 Castaner 8070 Humboldt Entrance road to Cal-Barrel area. Moist forest. Comment
  CHSC90288  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8579 B Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  HSC102205  Carex hoodii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1120 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  CAS-BOT-BC35566  Carex jonesii Joseph Prince Tracy 1932-7-15 10573 Humboldt Trinity Summit, at Corral Prairie 1584 Comment
  CAS-BOT-BC31264  Carex lenticularis var. impressa Joseph Prince Tracy 1932-7-14 10554 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  CAS-BOT-BC28502  Carex lenticularis var. limnophila Joseph Prince Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  UC1103625  Carex lenticularis var. limnophila Joseph P. Tracy with H. E. Parks 1924-8-3 6766 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA167279  Carex lenticularis var. lipocarpa Joseph P. Tracy 1950-8-7 19266 Humboldt Meadow at Box Camp, Trinity Summit. 1524 Comment
  SEINET10710158  Carex leptopoda David Castaner 1984-5-28 Castaner 8066 Humboldt Patrick State Park. Redwood Forest area. Comment
  CHSC90270  Carex lyngbyei Thomas W. Nelson; Jane P. Nelson 1987-4-27 8435 Humboldt North Coast Ranges. Along estuary to Cooper Gulch south side of street crossing. 1 Comment
  UC1133402  Carex lyngbyei H. S. Yates 1936-6-23 5861 Humboldt 1 mi w Bayside; Eureka Quadrangle 0 Comment
  RSA0014503  Carex mendocinensis Joseph P. Tracy 1926-6-6 7576 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  HSC102235  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1157 Humboldt Patterson Meadows 1555 Comment
  UC103569  Carex multicaulis Joseph P. Tracy 1912-7-31 3940 Humboldt near Buck Mountain summit; Northern Coast Ranges 1524 Comment
  UC2015846  Carex multicaulis Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4360 Humboldt Coast Range, Buck Mountain Comment
  SEINET4292202 Image available Carex multicostata Unknown 2003-1 7945 Humboldt High North Coast Ranges. At upper edge of Clear Lake, 2.9 km southeast of Titlow Hill. Grouse Mountain Quad. Comment
  HSC45021  Carex nudata R. Sutherland 1978-5-16 116578 Humboldt Redwood Creek 143 Comment
  SEINET10850491  Carex nudata Harley P. Chandler Chandler 1235 Humboldt Redwood Belt. Comment
  CHSC88893  Carex obnupta L. P. Janeway; B. Castro 2004-9-10 8319 Humboldt North Coast. South Spit of Humboldt Bay, 3.6 km north-northeast of Table Bluff Lighthouse site; between South Spit Road and the Humboldt Bay mudflats. 2 Comment
  HSC104103  Carex obnupta Kyle Brown 2015-4-25 45 Humboldt Arcata, along trail at Mad River 15 Comment
  RSA15497  Carex obnupta Joseph P. Tracy 1934-7-30 13514 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon). 3 Comment
  CAS-BOT-BC119268  Carex ovalis Alice Eastwood; John Thomas Howell 1937-6-23 4790 Humboldt Near Dinsmore's Comment
  HSC65948  Carex ovalis M. A. Baker 1980-7-19 2991 Humboldt Near Bret Hole. 1814 Comment
  CAS-BOT-BC119264  Carex ovalis Joseph Prince Tracy 1939-7-9 16315 Humboldt Bald Mt. Abundant in ditch 1 mi N of Murphy Meadows. 914 Comment
  CHSC107131  Carex pachycarpa R. E. Brainerd 2009-7-23 1569 Humboldt Coast Range, South Fork Mountain; headwaters of Kerlin Creek; 19.6 air miles west-northwest of Hayfork; Forest Service Road 3N32. UTM zone 10 453507E 4494866 1716 Comment
  POM247172  Carex pachystachya Joseph P. Tracy 1935-6-8 13938 Humboldt Eureka. 0 Comment
  UC1103088  Carex pachystachya Joseph P. Tracy 1926-5-15 7487 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1115820  Carex pachystachya Joseph P. Tracy 1939-7-9 16342 Humboldt Snow Camp 1402 Comment
  SEINET10883545  Carex pachystachya Joseph P. Tracy 1935-6-8 Tracy 13938 Humboldt Eureka. Damp place in open ground. Comment
  RSA22203  Carex pansa D. D. Keck 1938-8-5 4766 Humboldt Clam Beach. Comment
  CAS-BOT-BC118008  Carex rossii Joseph Prince Tracy 1932-5-10 9937 Humboldt Bear River Redge, on open grassy hills. 609 Comment
  CAS-BOT-BC118004  Carex rossii Joseph Prince Tracy 1949-5-8 18296 Humboldt Carlotta. Open flat by old Strong's District School House, 5 mi E of town. 60 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  HSC82401  Carex scopulorum var. bracteosa Thomas W. Nelson 1979-7-11 5013 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  CAS-BOT-BC115571  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4843 Humboldt 8 miles from Kneeland on road to Yager. Comment
  HSC76775  Carex tumulicola L. P. Janeway 1983-5-21 303 Humboldt Grassy slope above Chezem Rd., 2.1 mi. E of Chezem Rd. bridge over Redwood Creek 396 Comment
  UC249757  Carex tumulicola Joseph P. Tracy 1923-5-13 6205 Humboldt near Bridgeville; Northern Coast Ranges 213 Comment
  HSC20521  Castilleja affinis subsp. litoralis D. E. Anderson 1962-7-10 2244 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 Comment
  UC582582  Castilleja affinis subsp. litoralis H. E. Parks and Joseph P. Tracy 1923-5-19 6208 Humboldt vicinity Trinidad 60 Comment
  SEINET10745035  Castilleja ambigua subsp. humboldtiensis Philip A. Munz 1925-6-20 Munz 9890 Humboldt Eureka, partly dry saline flats Comment
  HSC56005  Castilleja arachnoidea Overton, Butler 1979-7-31 11467 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC20838  Castilleja attenuata R. T. Forester 1963-5-6 43 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  JEPS108698  Castilleja exserta C. Sander 2005-8-16 CA 330 81 Humboldt Manila Dunes 3 Comment
  HSC41275  Castilleja pruinosa Brad Klipfel 1974-6-25 427 Humboldt Horse Mtn. Comment
  UC673104  Castilleja pruinosa Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16669 Humboldt Grouse Mt. 1463 Comment
  UC176440  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1913-6-19 4213 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC48531  Ceanothus cordulatus Doris K. Kildale 1926-9-5 2613 Humboldt Lasseck's Peaks 1661 Comment
  HSC35785  Ceanothus cordulatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2098 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  CAS-BOT-BC49316  Ceanothus cuneatus L. B. Kildale 1930-9-21 10229 Humboldt Bluff Creek trail to Fish Lake Comment
  CAS-BOT-BC50043  Ceanothus incanus M. S. Jussel 1931-5-2 114 Humboldt Garberville Comment
  CAS-BOT-BC50053  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek, near Bosworth's 304 Comment
  HSC60192  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8055 Humboldt Rd to Shelter Cove, 0.7 mi W of junction with Honeydew Rd. Comment
  UC1070754  Ceanothus incanus A. E. Wieslander 1931-5-22 219 Humboldt Wilder Ridge Comment
  HSC59445  Ceanothus integerrimus Kenneth Clark 1979-5-15 305 Humboldt Tish Tang State Campground, 11 mi N of Willow Creek on Hwy. 96 Comment
  HSC60024  Ceanothus integerrimus M. A. Baker 1978-5-6 474 Humboldt Bald Hills Rd., between Klamath River and French Camp Rd. Comment
  UC275290  Ceanothus integerrimus Joseph P. Tracy 1924-7-29 6737 Humboldt Mountain slopes along rd between Three Creeks and mouth of Willow Creek Northern Coast Ranges 1005 Comment
  UC668164  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13180 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCR32170  Ceanothus integerrimus David J. Keil 1983-7-2 17325 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  HSC97627  Ceanothus integerrimus var. integerrimus Cara Witte 2007-6-5 209 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1.25 miles south of intersection with 5N04. 1405 Comment
  CAS-BOT-BC51144  Ceanothus lemmonii D. Haskamp; E. Sonnenblick; M. Taft 1995-4-23 38 Humboldt On rd. A16 NE of Basin Gulch campground 11 miles. On west side of road 731 Comment
  HSC37083  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-5-8 14 .8575 Humboldt Mattole Rd. 1.0 mi E of Petrolia, bank of Mattole River 67 Comment
  POM282990  Ceanothus oliganthus var. sorediatus Lyman Benson 1929-7-19 1596 Humboldt Dyerville to Matole River. Comment
  HSC37085  Ceanothus parryi R. Sutherland 1975-6-4 1 .4675 Humboldt Near county rd. 2 mi NE of Briceland 168 Comment
  JEPS42371  Ceanothus parryi W. L. Jepson 1902-6-20 1906 Humboldt s Camp Grant (Hubbard's Station) 243 Comment
  SBBG4535  Ceanothus parryi H. and M. Dearing 1933-5-15 979 Humboldt near Garberville Comment
  CAS-BOT-BC52990  Ceanothus thyrsiflorus Duncan Dunning 1921-10-2 705 Humboldt Trinidad 30 Comment
  HSC37081  Ceanothus thyrsiflorus R. Sutherland 1975-5-17 2 .17575 Humboldt Horse Mtn. Rd. edge 518 Comment
  HSC60305  Ceanothus thyrsiflorus J. P. Smith 1970-6-7 3810 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC79361  Ceanothus thyrsiflorus Kenneth Clark 1980-6-14 684 Humboldt Above N Fork of Dead Man's Gulch 213 Comment
  HSC89541  Ceanothus thyrsiflorus M. Roantree 1985-4-25 4 Humboldt E side of Trinidad Head Comment
  RSA25754  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11089 Humboldt Summit of Trinidad Head. 46 Comment
  UC164836  Ceanothus velutinus Joseph P. Tracy 1911-7-9 3455 Humboldt along Willow Creek (tributary of Trinity River, near its mouth); Northern Coast Ranges, along Willow Creek 182 Comment
  SEINET12211103  Ceanothus velutinus F. H. Utech 1986-1 86 -383 Humboldt 0.5 mi NNW on Kings Peak Road (Humboldt County C4A) from junction with Shelter Cove Road 600 Comment
  JEPS44151  Centaurea calcitrapa Joseph P. Tracy 1940-10-17 16760 Humboldt near Dyerville (South Fork Station) 45 Comment
  UC673086  Centaurea solstitialis Joseph P. Tracy 1940-10-17 16759 Humboldt near Dyerville (South Fork Station) 45 Comment
  RSA12461  Centaurium muehlenbergii Carl B. Wolf 1934-6-30 5832 Humboldt One half mile from Briceland on road to Garberville. 91 Comment
  CAS-BOT-BC279138  Centromadia pungens subsp. pungens Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC384902  Cerastium arvense W. C. Blasdale 1896-5-31 s.n. Humboldt Eureka Comment
  CAS-BOT-BC384903  Cerastium arvense Alice Eastwood; John Thomas Howell 1937-6-24 4862 Humboldt Road to Horse Mt. Comment
  RSA20843  Cerastium arvense C. B. Wolf 1937-6-18 8883 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC39837  Cerastium glomeratum Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  HSC4100  Cerastium glomeratum D. B. Bader 1963-2-17 41 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  UC1052447  Cerastium glomeratum H. E. and S. T. Parks 1944-4-1 24279 Humboldt Trinidad, Spruce Cove 60 Comment
  UC1198320  Cerastium glomeratum Joseph P. Tracy 1911-7-5 3308 Humboldt near mouth Willow Creek; Northern Coast Ranges, Willow Creek (tributary of Trinity R. 182 Comment
  HSC56952  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9456 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC76201  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-8-2 12521 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC70250  Cheilanthes gracillima M. A. Baker 1980-6-8 1915 Humboldt Near Buck Flat. 1554 Comment
  RSA424563B  Chenopodium botrys T. S. Elias, Barbara A. Elias 1987-8-26 10624 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge Comment
  UC1191327  Chenopodium macrospermum var. halophilum Malcolm A. Nobs and S. Galen Smith 1949-8-11 1340 Humboldt Stone Lagoon; marsh at e shore Comment
  SD40327  Chenopodium strictum var. glaucophyllum Edith A. Purer 1932-7-30 4670 Humboldt South of Orick Comment
  UC1197602  Chimaphila menziesii Joseph P. Tracy 1947-8-24 17903 Humboldt near Box Camp (Trinity Summit); Trinity Summit 1524 Comment
  HSC97991  Chimaphila umbellata subsp. occidentalis Cara Witte 2007-7-8 446 Humboldt Board Camp Mountain. Trail 4E28. 1496 Comment
  RSA43899  Chimaphila umbellata subsp. occidentalis H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1372 Comment
  RSA467017  Chimaphila umbellata subsp. occidentalis H. M. Pollard 1948-7-31 237 Humboldt Orleans Mt. 1372 Comment
  HSC41353  Chrysolepis chrysophylla Brad Klipfel 1974-9-2 546 Humboldt Horse Mountain Comment
  HSC8056  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt Above Kerlin Creek, S. Fork Mtn. Comment
  POM270419  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge. 1067 Comment
  CAS-BOT-BC420344  Chrysosplenium glechomifolium Doris K. Kildale 1927-4-10 3079 Humboldt Prarie Creek, Russ Grove of Redwoods Comment
  UC642242  Cicuta douglasii Joseph P. Tracy 1927-9-25 8379 Humboldt 2 mi s of Field's Landing (near Still Ranch) 6 Comment
  HSC95389  Cicuta douglasii Andrea Pickart 2002-7-19 187 Humboldt Arcata Marsh in Log Pond 10 Comment
  UC642260  Cicuta douglasii Joseph P. Tracy 1927-8-22 8345 Humboldt near High Prairie (on Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC76194  Cinna latifolia Overton, Butler 1979-8-2 12506 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC76203  Circaea alpina subsp. pacifica Overton, Butler 1979-8-2 12511 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  BLMAR594  Circaea alpina subsp. pacifica Jennifer Wheeler 2010-7-28 594 Humboldt Lacks Creek, off Pine Ridge Road under shady old growth Douglas-fir 975 Comment
  CAS-BOT-BC284407  Cirsium arvense L. R. Abrams 1916-7-11 6034 Humboldt Mouth of Grizzley Creek on Van Duzen River Comment
  OBI75077  Cirsium arvense Thomas S. Elias, Barbara A. Elias 1987-8-26 10632 Humboldt Fernbridge, 0.5 mi S of rte 101; Riparian vegetation along WEst bank of Eel River; about .5 mi N of bridge on wide gravel bar Comment
  CDA1114  Cirsium brevistylum T. R. Haig, T. C. Fuller 1959-6-12 2792 Humboldt 8 mi. N/ Trinidad. 0 Comment
  HSC94050  Cirsium douglasii var. douglasii B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd., 4.8 mi. S of Hwy. 299 Comment
  UC34641  Cirsium douglasii var. douglasii Chesnut and Drew 1887-7-28 Humboldt Grouse Creek Comment
  CAS-BOT-BC288714  Cirsium remotifolium Peter H. Raven; R. Snow 1958-7-21 13654 Humboldt 7.2 miles NW of Capetown on road to Ferndale Comment
  CAS-BOT-BC288718  Cirsium remotifolium Doris K Niles 1948-7-26 4 Humboldt Eel River bottom, A. D. Niles Field Comment
  CAS-BOT-BC228802  Cistanthe umbellata Doris Kildale Gillespie 1931-6-7 10590 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC228803  Cistanthe umbellata R. K. Gierisch; D. H. Esplin 1969-7-1 3528 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  CAS-BOT-BC160971  Clarkia amoena subsp. amoena L. R. Abrams 1918-6-16 7169 Humboldt Willow Creek Comment
  JEPS43546  Clarkia amoena subsp. huntiana W. L. Jepson 1902-7-12 2020 Humboldt Martin's Ranch South Fork of Trinity <River> Comment
  RSA21188  Clarkia amoena subsp. huntiana Carl B. Wolf 1947-8-11 9147 Humboldt North Coast Range, Laribee Valley, 8.5 miles west of Dinsmores 457 Comment
  RSA24287  Clarkia amoena subsp. huntiana Carl B. Wolf 1940-11-10 9783 Humboldt 1 mile inland from Devils Gate (South of Cape Mendocino) on road to Petrolia 152 Comment
  UC1072043  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-12 416 Humboldt 0.1 mi w Trinity Co. line (Highway 36) Comment
  UC20004  Clarkia concinna subsp. concinna Harley P. Chandler June, 1901 1325 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC153945  Clarkia davyi Joseph P. Tracy 1910-4-24 3127 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  LA206342  Clarkia gracilis H. Lewis; M. Lewis 1947-6-13 423 Humboldt Highway 36 at S Fork of Van Duzen River (Bridge 4-119) Comment
  UC144078  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1909-7-31 3030 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1071933  Clarkia purpurea subsp. quadrivulnera H. and M. Lewis 1947-6-13 415 Humboldt 0.1 mi w Trinity Co. line (Highway 36) Comment
  UC1196982  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1913-7-20 4384 Humboldt near Berry's; Northern Coast Ranges, Redwood Creek 304 Comment
  UC183596  Claytonia exigua subsp. glauca Joseph P. Tracy 1913-5-4 4049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC494167  Claytonia exigua subsp. glauca H. E. Parks and J. P. Tracy 1930-5-26 878 Humboldt Laribee Valley Comment
  HSC48838  Claytonia lanceolata Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 30 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC79323  Claytonia lanceolata D. K. Imper 1982-6-30 Humboldt 3/4 mi. N of Alder Spring near Lassics Lookout, Lassics Botanical Area, Six Rivers National Forest 1524 Comment
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Sep 23 2019
  HSC74338  Claytonia parviflora subsp. parviflora M. A. Baker 1980-5-18 1282 Humboldt Near Black Mtn. 1006 Comment
  UC184791  Claytonia parviflora subsp. parviflora Joseph P. Tracy 1913-6-13 4095 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC161028  Claytonia rubra subsp. depressa Joseph P. Tracy 1911-5-21 3188 Humboldt Eureka; Northern Coast Region Comment
  RSA259540  Claytonia saxosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5623 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  CHSC32852  Claytonia sibirica Lora L. Anderson 1981-4-26 13 Humboldt Small population ca. 0.5 mi e of ocean (Moon-Stone Beach) 0.5 mi w of Hwy 101, 11.5 mi n of Arcata. 0 Comment
  HSC54539  Claytonia sibirica Overton, Butler 1979-7-23 9515 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC71792  Claytonia sibirica Gail Newton 1980-6-16 176 Humboldt Near Monks Camp. 1097 Comment
  UC275282  Claytonia sibirica Joseph P. Tracy 1923-6-20 6330 Humboldt White Thorn Valley; Northern Coast Ranges 304 Comment
  UC672988  Claytonia sibirica Joseph P. Tracy 1937-7-2 15388 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UCD100886  Claytonia sibirica K. Esau 1934-5-8 s.n. Humboldt Redwood Highway, near Scotia. Comment
  HSC45613  Claytonia sibirica Diane L. Reed 1978-5-7 56 Humboldt Fourmile Creek on Friday Ridge Rd., 4 mi. from Hwy. 299 Comment
  SD58347  Claytonia sibirica Lincoln Constance 1934-5-26 648 Humboldt North Dyerville Flat Grove, near Founders' Tree 49 Comment
  UC1223244  Claytonia sibirica Joseph P. Tracy 1951-6-21 19521 Humboldt Hydesville; back of Everett Beck's house Comment
  HSC99241  Claytonia washingtoniana C. E. Fellows 1971-6-7 452 Humboldt Clam Beach Bluffs, 9/10 mi. N of jct. of Little River Rd. and Central Ave., E side of Little River Rd. Comment
  UC183773  Clematis ligusticifolia Joseph P. Tracy 1912-8-4 3980 Humboldt near Hydesville (on Yager Creek); Northern Coast Region, Yager Creek 60 Comment
  UCD139617  Clintonia andrewsiana K. Esau 1934-5-8 s.n. Humboldt Redwood Highway near Scotia. Comment
  CAS-BOT-BC499335  Clintonia andrewsiana H. C. Cantelow 1936-5-17 1341 Humboldt 3 mi. E. of Oriak Comment
  HSC104432  Clintonia andrewsiana Greg O'Connell 2013-5-21 Humboldt East of Holter Ridge, northeast of Bald Hills Rd. Comment
  HSC57030  Clintonia uniflora Overton, Butler 1979-7-24 9654 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC20587  Collinsia grandiflora Elrid H. Spinas 1948-6-16 53 Humboldt Horse Mtn. Comment
  UC41758  Collinsia grandiflora Chestnut and Drew 1880-7-9 Humboldt Kneeland Comment
  UC1196748  Collinsia grandiflora Joseph P. Tracy 1930-7-6 8854 Humboldt Valley of South Yager Creek 762 Comment
  UC169092  Collinsia grandiflora Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5673 Humboldt ridge w Hoopa Valley (Hoopa Mt summit); Hoopa Mtn, North Coast Ranges Comment
  UC41804  Collinsia grandiflora W. C. Blasdale 1896-6-8 Humboldt Graham's Comment
  HSC99026  Collinsia linearis Cara Witte 2008-7-1 788 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  UC162568  Collinsia linearis Joseph P. Tracy 1911-7-6 3336 Humboldt along road between Three Creeks and Mouth of Willow Creek (Northern Coast Ranges); Northern Coast Ranges 762 Comment
  UC1196753  Collinsia linearis Joseph P. Tracy 1935-7-30 14376 Humboldt near top of Salmon Summit Salmon Summit 2072 Comment
  HSC100659  Collinsia parviflora Carl C. Marshall 21 Humboldt Kneeland Prairie. 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
  HSC41279  Collinsia rattanii Brad Klipfel 1974-6-25 437 Humboldt Horse Mtn., SE of the towers Comment
  UC147870  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1904-4-17 2012 Humboldt immediate vicinity of Eureka 0 Comment
  HSC35779  Collomia grandiflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2095 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  HSC70375  Collomia heterophylla M. A. Baker 1980-6-7 1780 Humboldt Near Brush Mtn. 287 Comment
  UC1470711  Collomia heterophylla Barbara Ertter with Thomas J. Delendick 1987-5-16 6944 Humboldt on s side Hwy 299 above Willow Creek (ca 3 mi e of Berry Summit, ca 20 air mi e of Arcata, near large volcanic rock) 800 Comment
  UC908768  Collomia heterophylla P. B. Kennedy 1929-6-14 Humboldt California Barrel Company Range Arcata Comment
  CAS-BOT-BC230665  Collomia tracyi Milo S. Baker 1946-6-15 11476 Humboldt Horse Mountain Road, about 2 miles up from Trinity Highway 1066 Comment
  CAS-BOT-BC157350  Comarum palustre Doris K. Kildale 1926-6-25 2173 Humboldt Big Lagoon Comment
  HSC90254  Conium maculatum Jean Hanson 1980-5-24 80 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island, 40 ft from SW shore Comment
  RSA696831  Conyza canadensis J. Russell Bruff 1937-8-17 939 Humboldt Richardson Grove, bed of Eel River. Comment
  HSC49219  Coptis laciniata J. O. Sawyer 1977-4-23 2846 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  CAS-BOT-BC133717  Corallorhiza Doris Kildale 1931-6-6 10868 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC14978  Corallorhiza maculata Mrs. M. H. Manning 1901-6-7 17 Humboldt near Hupa Comment
  UC1222190  Corallorhiza maculata Joseph P. Tracy 1950-7-2 18972 Humboldt ridge e Grove's Prairie (near Elk Camp, 6 mi ne of Hawkins Bar); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC1222818  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1950-6-17 18839 a Humboldt slough at railroad bridge (salt marsh); Eureka Comment
  UC147873  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1901-8-7 1257 Humboldt Samoa Northern Coast Region of California, region about Humboldt B 0 Comment
  CAS-BOT-BC101142  Corethrogyne filaginifolia Joseph P. Tracy 1936-7-10 15046 Humboldt Vicinity of Carlotta 30 Comment
  CAS-BOT-BC101143  Corethrogyne filaginifolia Doris K. Kildale 1927-6-25 3562 Humboldt Shelter Cove Comment
  UC1119247  Corethrogyne filaginifolia H. S. Yates 1968-6-16 5668 Humboldt 1.5 mi sw of Samoa; Eureka Quadrangle Comment
  UC1199415  Corethrogyne filaginifolia Joseph P. Tracy 1909-7-18 3016 Humboldt Humboldt Bay 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
  RSA286351  Corethrogyne filaginifolia var. californica R. F. Thorne 1974-7-29 45073 Humboldt Samoa Dunes. Comment
  CAS-BOT-BC212017  Cornus nuttallii Doris K. Kildale 1925-4-1 s.n. Humboldt Hungry Hollow near Korbell Comment
  HSC60034  Cornus nuttallii M. A. Baker 1978-5-6 467 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  HSC70920  Cornus nuttallii R. York 1980-5-18 562 Humboldt Near Black Mtn. 1006 Comment
  UC1196911  Cornus nuttallii Joseph P. Tracy 1908-6-9 2675 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC212175  Cornus sericea Doris K. Kildale 1925-6-27 769 Humboldt Yager Creek near mouth. Comment
  CAS-BOT-BC212179  Cornus sericea Joseph P. Tracy 1929-8-18 8653 Humboldt Dinsmore's Ranch, on Van Duzen River opposite Buck Mountain 670 Comment
  CAS-BOT-BC210454  Cornus sericea subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  HSC58225  Cornus sericea subsp. sericea Walter Overton 1979-8-1 12368 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC1051594  Cornus sericea subsp. sericea Joseph P. Tracy 1948-9-2 18201 Humboldt head of Little Hors-Linto Creek (Trinity Summit); , Little Hors-Linto Creek 1371 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
  HSC95923  Corylus cornuta subsp. californica Will Ferrand 2001-6-17 14 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  UCD110083  Corylus cornuta subsp. californica M. Risling 1975-2-15 s.n. Humboldt ca. 3 miles from Hwy 96, along Tish Tang Road. Comment
  HSC97559  Corylus cornuta var. californica Cara Witte 2007-6-5 210 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  RSA134173  Corylus cornuta var. californica P. C. Everett, E. K. Balls 1959-10-24 23956 Humboldt 4.7 miles S from Bluff Creek, Hwy 96 from Orleans to Weitchpec. 122 Comment
  RSA1364  Corylus cornuta var. californica C. B. Wolf 1929-08 1424 Humboldt Stephens Grove, Redwood Highway. Comment
  RSA46863  Corylus cornuta var. californica Doris K. Kildale 1927-7-10 3734 Humboldt Gans Prairie, Bald Hills. Comment
  UCR32167  Corylus cornuta var. californica David J. Keil 1983-7-2 17312 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  CHSC102916  Cotoneaster pannosus Arthur Lee Jacobson 2007-8-13 Humboldt North Coast. North of Mill Creek and W of Stagecoach Road, southern part of Trinidad State Beach. 50 Comment
  HSC37853  Cotula coronopifolia Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  UC166068  Cotula coronopifolia J. P. Tracy 1903-8-9 1948 Humboldt immediate vicinity of Eureka 0 Comment
  CDA7475  Cotula coronopifolia L. Tauzer 2002-5-3 43 Humboldt Arcata Marsh, Arcata. Comment
  HSC5426  Cotula coronopifolia R. Spellenberg 1964-6-15 412 Humboldt Along egde of Humboldt Bay, on the south side of Arcata Comment
  JEPS36416  Crepis capillaris W. L. Jepson 1932-8-8 16531 Humboldt near Dyerville; Perrott Creek 304 Comment
  UC540834  Crepis capillaris David D. Keck and J. Clausen 1935-6-16 3397 Humboldt Orick Comment
  UC581730  Crepis occidentalis Joseph P. Tracy 1935-7-30 14387 Humboldt Salmon Summit; at top 2112 Comment
  UC538048  Crepis occidentalis subsp. pumila E. B. Babcock 1932-6-23 402 Humboldt near Bridgeport; Art Renfroe's place Comment
  HSC91877  Crocosmia X crocosmiiflora E. Mackey 1986-10-7 Humboldt Patrick's Point State Park, picnic area near parking lot for Ceremonial Rock Comment
  HSC40305  Cryptantha leiocarpa Linda M. Barker 1976-4-30 1407 Humboldt 3 mi. W of Arcata Comment
  HSC55144  Cryptogramma acrostichoides G. L. Clifton, Griswold 1979-8-1 12045 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC74455  Cryptogramma acrostichoides Gail Newton 1980-8-10 2005 Humboldt Near Blake Mtn. 1798 Comment
  MACF017398  Cupressus macrocarpa Trudy R. Ericson 1974-8-6 204 Humboldt Off U.S. 101, exit to Patrick's Beach State Park, near Seaward Drive. Comment
  CDA5584  Cuscuta approximata var. urceolata E. C. Whitney 1959-8-11 2942 Humboldt Elhert Reynolds property, 1 mile south of Fortuna, Loop Road, 2nd field on south side of road. 0 Comment
  UC1197868  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18409 Humboldt Mud Springs Trinity Summit 1341 Comment
  RSA249518  Cuscuta salina R. F. Thorne, P. C. Everett 1965-8-7 35206 Humboldt Samoa Peninsula. 0 Comment
  UC922013  Cynodon dactylon Joseph P. Tracy 1949-8-18 16427 Humboldt Eureka 15 Comment
  RSA67017  Cynoglossum grande E. K. Balls 1951-5-9 16516 Humboldt ca. 5 miles S of Richardson s Grove, Highway 101. Comment
  UC1222262  Cynoglossum grande Joseph P. Tracy 1950-4-20 18617 Humboldt 2 mi. w. Dinsmore's (n.w. slope of Buck Mt.); Buck Mt. Comment
  CAS-BOT-BC190372  Cynosurus cristatus Malcom A. Nobs; S. Galen Smith 1949-8-3 1195 Humboldt At the southern outskirts of Eureka. Comment
  UCD60132  Cynosurus cristatus R. Tofsrud 1949-7-1 s. n. Humboldt South edge of Scotia. Comment
  UC1103244  Cynosurus echinatus Joseph P. Tracy 1950-6-21 18855 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 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
  UCD60162  Cynosurus echinatus Bill Brooks 1948-1 s. n. Humboldt 2 miles north of Blocksburg. Comment
  UCR45822  Cynosurus echinatus Kenneth Clark 1980-4-18 579 Humboldt North Coast, Shelter Cove, on access trail to Dead Man's Gulch 122 Comment
  CAS-BOT-BC133727  Cypripedium californicum E. P. Chase 1933-7-1 2008 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC1196444  Cypripedium fasciculatum unknown 1931-4-1 Humboldt Weitchpec 152 Comment
  UC42487  Cystopteris fragilis C. C. Marshall 1888-1 Humboldt Comment
  UCD136399  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt Bull Creek Region, South Fork Eel River. Comment
  RSA783324  Cytisus scoparius R. R. Halse 2010-3-25 7856 Humboldt Along US Hwy 101 ca. 9.7 miles S of Orick. 5 Comment
  CDA4072  Cytisus scoparius T. C. Fuller 1961-3-22 5940 Humboldt North slope, Humboldt Hill, Eureka. 0 Comment
  HSC9534  Dactylis glomerata D. B. Bader 1963-5-1 46 Humboldt Second of the Clam Beach lagoons, west of Hwy. 101, south end of lagoon on east bank. Comment
  CAS-BOT-BC189744  Danthonia californica Joseph P. Tracy 1932-7-10 10392 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 Comment
  CAS-BOT-BC94774  Danthonia californica R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 838 Humboldt Humboldt Redwoods State Park. Pole Line Prairie, along Pole Line Road, 1 air mile N of Mattole Road, 6 air miles E of 274 Comment
  SEINET200654 Image available Danthonia californica Joseph P. Tracy 1908-6-9 2673 Humboldt Kneeland Prairie 762 Comment
  UC552734  Danthonia californica Joseph P. Tracy 1935-7-23 14137 Humboldt Corral Prairie Trinity Summit 1584 Comment
  BLMAR38  Danthonia californica Brad Barr 1982-6-21 38 Humboldt King range, hidden valley enclosure Comment
  HSC98849  Danthonia unispicata Cara Witte 2008-7-11 870 Humboldt Horse Mountain Botanical Area. 1/2 mi. south from intersection of National Forest 1, Forest Service Roads 6N38 and 6N36. 1413 Comment
  JEPS12211  Datura stramonium W. L. Jepson 1932-7-28 16436 Humboldt Dyerville 88 Comment
  SEINET10454790  Daucus carota Mary Susan Taylor 1977-8-5 Taylor 1432 Humboldt Abundant around bridge over Eel River, at the turnoff from Hwy 1 to Ferndale, in Fernbridge. 2 Comment
  HSC37850  Daucus pusillus Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay Comment
  UC164990  Deinandra corymbosa J. P. Tracy 1902-8-10 1768 Humboldt immediate vicinity Eureka 0 Comment
  HSC94008  Delairea odorata Gordon Leppig 2000-2-15 1284 Humboldt School Rd. 1/2 mi. W of Central Ave. 30 Comment
  UC1196315  Delphinium decorum subsp. tracyi Joseph P. Tracy 1935-7-14 14070 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  RSA249435  Delphinium depauperatum D. E. Anderson, Thomas W. Nelson, S Dowty 1972-6-14 5603 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  POM270763  Delphinium hesperium Lyman Benson 1928-7-10 422 Humboldt Fortuna , Seaward N Coast, Mouth of Eel River. 46 Comment
  HSC32304  Delphinium nuttallianum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5650 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC1736195  Delphinium nuttallianum Dean W. Taylor 1971-5-5 1061 Humboldt near Arcata Comment
  CAS-BOT-BC121966  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  JEPS23302  Delphinium trolliifolium W. L. Jepson 1934-5-6 16681 Humboldt Little Larrabee Creek Comment
  UC668070  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  SEINET879526  Dentaria integrifolia J. P. Tracy 1921-1 5426 Humboldt Blue Slide, on Van Duzen River. 91 Comment
  RSA10043  Deschampsia beringensis Joseph P. Tracy 1927-7-16 8257 Humboldt Around Humboldt Bay. Mouth of Elk River. 6 Comment
  SEINET4566835  Deschampsia cespitosa J. Davy, W. Blasdale 1899-1 6213 Humboldt Eureka Comment
  HSC82970  Deschampsia cespitosa subsp. beringensis A. L. Eicher 1985-8-8 Humboldt Salt marsh bordering Elk River, 0.4 mi. NW of the Elk River bridge. 1 Comment
  CAS-BOT-BC194296  Deschampsia cespitosa subsp. cespitosa Joseph P. Tracy 1904-7-31 2129 Humboldt Eureka 60 Comment
  RSA12425  Deschampsia cespitosa subsp. cespitosa C. B. Wolf 1934-7-2 5869 Humboldt Edge of small lake at Snow Camp 1372 Comment
  UC526857  Deschampsia danthonioides Joseph P. Tracy 1932-7-14 10538 Humboldt Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UCD62500  Deschampsia danthonioides A. H. Murphy 1951-6-1 56 Humboldt Near Mad River, 1 mile E of Low Gap. Comment
  UCD62501  Deschampsia danthonioides A. H. Murphy 1951-5-21 47 Humboldt Prior Ranch, 2 miles S of Blocksburg. Comment
  HSC9612  Deschampsia elongata E. W. Styskel 1964-5-10 86 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  HSC9613  Deschampsia elongata R. D. Rogers 1964-5-2 32 Humboldt Janes Creek area, 1 mi. N of Arcata, logging road. Comment
  SEINET179616 Image available Deschampsia elongata H. E. Parks 3646 a Humboldt Big Lagoon Comment
  HSC55099  Dicentra formosa G. L. Clifton 1979-7-31 11813 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  JEPS9737  Dicentra formosa Joseph P. Tracy 1933-5-28 12414 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  UC146102  Dicentra formosa J. P. Tracy 1904-4-17 2013 Humboldt immediate vicinity Eureka 0 Comment
  UC855123  Dicentra formosa Elizabeth Parsons Hawver Jun 1915 Humboldt Carlotta Comment
  SEINET12103157  Dicentra formosa Unknown 1936-1 13351 Humboldt Comment
  UC1222560  Dicentra formosa Joseph P. Tracy 1950-6-8 18720 Humboldt 7 mi s Ferndale (near Mountain Glen); Bear River Ridge 609 Comment
  CAS-BOT-BC402404  Dicentra formosa subsp. formosa Doris Kildale Gillespie 1931-6-7 10657 Humboldt South Fork Mt., Blake Lookout Comment
  CAS-BOT-BC402408  Dicentra formosa subsp. formosa Joseph P. Tracy 1933-7-16 12794 Humboldt North Coast Ranges. South Fork Mt. 1676 Comment
  RSA10045  Dichanthelium acuminatum var. fasciculatum Joseph P. Tracy 1931-5-17 9427 Humboldt Trinity River Valley, at Willow Creek 152 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
  RSA0031358  Dichelostemma capitatum subsp. capitatum Hutchinson 1927-05 s.n. Humboldt Unspecified. Comment
  HSC12535  Dichelostemma congestum J. Allen DeCou 1899-1 Humboldt Willow Creek Comment
  UC1950449  Dichelostemma congestum Barbara Ertter with Thomas J. Delendick 1987-5-16 6919 Humboldt Vista Point just W of Berry Summit on Hwy 299, open grassy S-facing slope Comment
  HSC98708  Dichelostemma ida-maia Cara Witte 2007-6-14 274 Humboldt Along National Forest 1. Near Kinsey Ridge. 2 miles north of intersection with 4N06. 1319 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
  UC198610  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie Comment
  RSA54137  Digitaria sanguinalis Henry M. Pollard 1944-9-7 s.n. Humboldt Near Orleans. Comment
  SEINET200657 Image available Digitaria sanguinalis Joseph P. Tracy 1942-9-13 17316 Humboldt Eureka. 30 Comment
  CAS-BOT-BC150348  Diplacus aurantiacus L. R. Abrams; R. Bacigalupi 1922-6-25 8291 Humboldt North of Big Lagoon Comment
  CHSC68508  Disporum smithii Vernon H. Oswald 1997-4-10 8325 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  HSC34498  Dodecatheon hendersonii J. D. Ackerman 1975-5-3 439 Humboldt Ca. 3.5 mi. E of Chezem Rd. and Hwy. 299 intersection W of Redwood Creek Comment
  UC562465  Dodecatheon hendersonii Joseph P. Tracy 1924-3-9 6612 Humboldt Kneeland Prairie 762 Comment
  BLMAR114  Dodecatheon hendersonii Jennifer Anthony-Wheeler 1995-3-15 114 Humboldt King range, growing under white oaks, shaded meadow beside river at Honeydew campground 121 Comment
  HSC30147  Dodecatheon hendersonii A. M. Montalvo, J. D. Ackerman 1974-4-14 173 Humboldt Near Gray's Falls, Trinity River. Gray's Falls Campground Comment
  UC562750  Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt in cold wet meadow near High Prairie (Bald Mountain); Northern Coast Ranges, , nr High Prairie 1066 Comment
  UC602557  Downingia cuspidata Joseph P. Tracy 1935-5-25 13843 Humboldt Fort Seward 106 Comment
  HSC1033  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-15 16 Humboldt 400 yards S of Trinidad Harbor, off old logging rd. above beach 12 Comment
  UCD136407  Dryopteris arguta K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 457 Comment
  CAS-BOT-BC428054  Dudleya cymosa subsp. cymosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC428298  Dudleya farinosa W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  UC183727  Dulichium arundinaceum Joseph P. Tracy 1914-9-6 4603 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mountain 1219 Comment
  UC34075  Echinochloa crus-galli J. P. Tracy 1900-11-1 973 Humboldt immediate vicinity Eureka 0 Comment
  OBI22607  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow's Prairie Comment
  RSA12430  Eleocharis acicularis var. acicularis Carl B. Wolf 1934-7-2 5864 Humboldt At edge of small lake at Snow Camp. (Mts. east of Korbel). 1372 Comment
  HSC90810  Eleocharis macrostachya Gail Newton 1982-6-10 3594 Humboldt Elk River Wildlife Area, Eureka Comment
  CAS-BOT-BC112839  Eleocharis macrostachya David Daniels Keck 1938-8-5 4768 Humboldt Big Lagoon, on shore in drying clay mud. Comment
  UCD49784  Eleocharis macrostachya Linda M. Barker 1976-6-22 1621 Humboldt Coastal forest and dunes 3 miles west of Arcata, Humboldt Co., California. Comment
  UC1103669  Eleocharis obtusa Joseph P. Tracy 1931-9-7 9652 Humboldt Trinity River Valley at Willow Creek 152 Comment
  POM273092  Eleocharis obtusa Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  RSA246901  Eleocharis pachycarpa Robert F. Thorne, Percy C. Everett 1965-8-7 35190 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  JEPS19324  Eleocharis parishii Joseph P. Tracy 1926-8-12 7767 Humboldt Trinity River Valley, near the South Fork Northern Coast Ranges 182 Comment
  BLMAR37  Elymus Brad Barr 37 Humboldt King range Comment
  UC526782  Elymus elymoides subsp. elymoides Joseph P. Tracy Jul 16 1930-Jul 19 1930 8955 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC526799  Elymus glaucus Joseph P. Tracy 1932-7-12 10448 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC203476  Elymus glaucus subsp. glaucus Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC203801  Elymus glaucus subsp. virescens Roxana S. Ferris 1937-8-21 9389 A Humboldt Shelter Cove Comment
  UC526791  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8215 Humboldt Stone Lagoon Northern Coast Region (bluffs facing ocean) 6 Comment
  UC1196733  Elymus multisetus Joseph P. Tracy 1919-5-31 5160 Humboldt Willow Creek Northern Coast Ranges (gravel bar, near its mouth (creek is a tributary of Trinity River)) 152 Comment
  SD38379  Epilobium angustifolium Edith A. Purer 1932-7-27 4148 Humboldt Comment
  UC562418  Epilobium brachycarpum Joseph P. Tracy 1933-8-30 13034 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC562421  Epilobium brachycarpum Joseph P. Tracy 1933-8-6 12942 Humboldt French Camp Ridge 1066 Comment
  UC583060  Epilobium brachycarpum P. A. Munz 1936-8-10 14337 Humboldt 15 mi e Bridgeville (roadside); Little Van Duzen River Comment
  UC198613  Epilobium campestre Joseph P. Tracy 1916-6-19 4726 Humboldt Dobbyn Creek 182 Comment
  HSC32948  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, James Nelson 1973-5-28 958 Humboldt McKeown Ranch N of Dinsmore Comment
  JEPS31529  Epilobium ciliatum subsp. ciliatum Lincoln Constance 1934-5-31 765 Humboldt Bull Cr. flat South Fork Eel River, Bull Creek region, Bull Creek (along n side of creek from w boundary of Park to Grasshopper Pk. (Squaw Cr. rd.)) Comment
  UC198619  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt 4 mi above mouth; Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC549761  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1932-7-15 10575 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  RSA26250B  Epilobium ciliatum subsp. watsonii I. L. Wiggins 1940-7-10 9487 Humboldt Table Bluff Comment
  HSC55207  Epilobium glaberrimum Walter Overton 1979-8-1 12326 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC45464  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1978-7-2 4390 Humboldt SE of E peak of the Mount Lassic group 1616 Comment
  UC314612  Epilobium hallianum Joseph P. Tracy 1923-5-13 6204 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  HSC98840  Epilobium minutum Cara Witte 2008-7-11 877 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  UC1198479  Epilobium minutum Joseph P. Tracy 1933-7-25 12839 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC45063  Epilobium minutum R. Sutherland 1978-4-23 17 .23478 Humboldt Kinsey Ridge near head 732 Comment
  HSC71824  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-27 5938 Humboldt Along old trail to pond above Alder Spring, 0.5 mi. N of campground 1555 Comment
  CAS-BOT-BC171847  Epilobium septentrionale Carl B. Wolf 1927-8-30 1234 Humboldt 2 mi. so. of Petrolia on Matole River near where road crosses river. Comment
  UC902051  Epipactis gigantea Joseph P. Tracy 1949-7-7 18335 Humboldt Blue Slide Van Duzen River 91 Comment
  UC549763  Equisetum hyemale subsp. affine Joseph P. Tracy 1933-6-6 12506 Humboldt Trinidad; Northern Coast Region 60 Comment
  HSC61634  Equisetum laevigatum Ruby Van Deventer 1959-6-20 Humboldt Humboldt-Del Norte county line, Onion Lake 1220 Comment
  HSC99583  Equisetum telmateia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 248 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  UC1239786  Equisetum telmateia subsp. braunii Joseph P. Tracy 1937-3-21 15235 Humboldt Van Duzen River near Grizzly Creek; Van Duzen River 91 Comment
  HSC885  Equisetum telmateia subsp. braunii S. J. Hawks, D. E. Anderson 1965-5-18 80 Humboldt Luffenholtz Beach Comment
  RSA53861  Eragrostis cilianensis Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River near Wilson Creek, Orleans region Comment
  SEINET200659 Image available Eragrostis hypnoides Joseph P. Tracy 1920-8-15 5367 Humboldt Klamath River mouth of Bluff Creek 152 Comment
  POM257488  Erechtites glomeratus H. E. Parks, S. T. Parks 1937-07 24033 Humboldt Spruce Cove, Trinidad. 61 Comment
  POM174069  Erechtites glomeratus Joseph P. Tracy 1918-9-1 5095 Humboldt Newells Camp, around Humboldt Bay. On old Kneeland Prairie Road. 457 Comment
Read comments
Jun 10 2012
  POM51468  Erechtites minimus Joseph P. Tracy 1918-7-28 5088 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay. Comment
  SD40100  Erechtites prenanthoides Edith A. Purer 1932-7-30 4684 Humboldt South of Orick Comment
  CAS-BOT-BC58928  Erica T. C. Fuller 1961-3-22 5938 Humboldt N. slope Humboldt Hill, Eureka Comment
  HSC98024  Erigeron aliceae Cara Witte 2007-7-11 509 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  OBI16523  Erigeron aliceae Joseph P. Tracy 1949-8-11 18487 Humboldt Near the C.M. Preston place, 1-1/2 mi SE of Snow Camp 1463 Comment
  UC912295  Erigeron biolettii Herbert L. Mason 1928-7-14 4908 Humboldt near Garberville; East Fork Eel River Comment
  UC581723  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge Comment
  CAS-BOT-BC300675  Erigeron foliosus var. mendocinus Doris K. Kildale 1927-6-25 3585 Humboldt Near Ettersburg Comment
  UCD132006  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC165064  Erigeron inornatus var. inornatus Joseph P. Tracy 1908-7-1 2894 Humboldt ridge between Van Duzen River and Mad River (near low gap, Humboldt and Trinity Counties); Trinity County 914 Comment
  HSC66281  Erigeron maniopotamicus M. A. Baker 1980-6-28 2499 Humboldt Near Mad River Buttes 1445 Comment
  POM288818  Erigeron philadelphicus Lyman Benson 1928-7-10 382 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  POM54263  Erigeron philadelphicus H. P. Chandler 1901-06 1402 A Humboldt Klamath River. Comment
  UC581735  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1935-5-30 13920 Humboldt near Willow Creek; Trinity River Valley 152 Comment
  UCD132041  Erigeron philadelphicus var. philadelphicus P. B. Kennedy 1929-6-12 s.n. Humboldt Eureka. Comment
  UC1223009  Erigeron robustior Joseph P. Tracy with Mr. Murphy 1951-6-26 19581 Humboldt Twin Lakes vicinity Comment
Read comments
Sep 3 2011
  POM208988  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Grasshopper Pk.; Bull Creek watershed, Humboldt Redwood Park. 976 Comment
  HSC102097  Eriogonum compositum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1000 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  RSA246713  Eriogonum latifolium Robert F. Thorne, Percy C. Everett 1965-8-5 35162 Humboldt Samoa Dunes. 3 Comment
  HSC17297  Eriogonum latifolium P. W. Shields 1955-9-17 Humboldt 0.5 mi. S of Mad River Comment
  RSA44447  Eriogonum lobbii var. lobbii H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain 1677 Comment
  SEINET6944764  Eriogonum nudum Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC261490  Eriogonum nudum var. nudum A. A. Heller 1924-7-20 13863 Humboldt Along the Eel River at Phillipsville Comment
  CAS-BOT-BC261492  Eriogonum nudum var. nudum M. S. Jussel 1931-5-2 116 Humboldt Garberville Comment
  CAS-BOT-BC261493  Eriogonum nudum var. nudum Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC38522  Eriogonum nudum var. oblongifolium D. E. Anderson, J. P. Smith 1971-6-18 1076 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  SEINET4208670  Eriophyllum lanatum var. achilleoides Thomas Nelson, Jane Nelson; James Nelson 1975-7-15 2028 Humboldt Growing on serpentine outcrop at French Camp, Bald Hills.; 0 Comment
  RSA12442  Eriophyllum lanatum var. achilleoides C. B. Wolf 1934-7-1 5851 Humboldt Along Eel River and Redwood Highway, 1.2 mi. S of F. K. Lane Grove. 61 Comment
  UC165189  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1908-6-7 2609 Humboldt bluffs on river at mouth of Maple Creek; Northern Coast Ranges, Mad River 152 Comment
  UC165840  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1900-9-10 956 Humboldt near Hydesville (gravel bar of the Van Duzen River); Van Duzen River 60 Comment
  RSA15568  Eriophyllum lanatum var. arachnoideum C. B. Wolf 1927-8-29 1193 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  UC165841  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1906-7-15 2539 Humboldt Table Bluff Northern Coast, Region about Humboldt Bay, Table Bluff 0 Comment
  HSC47494  Erodium cicutarium Sheila Logan 1978-4-9 18 Humboldt Fieldbrook, 0.5 mi. E of McKinleyville on Murray Rd. 122 Comment
  HSC8510  Erodium moschatum Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  CDA17342  Eryngium articulatum P. Haggard 2004-8-15 PDR 1285928 Humboldt North Coast Ranges; Six Rivers National Forest on Friday Ridge Rd, Willow Creek. 0 Comment
  HSC6761  Erysimum capitatum var. capitatum P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  UCD115016  Erysimum menziesii Linda M. Barker 1976-4-13 1384 Humboldt 3 miles west of Arcata. Comment
  SEINET13732744 Image available Erythranthe primuloides Joseph P. Tracy 1932-1 10534 Humboldt Trinity Summit, Corral Prarie. 1585 Comment
  HSC70931  Erythronium californicum R. York 1980-5-18 558 Humboldt Near Black Mtn. 1006 Comment
  CAS-BOT-BC504310  Erythronium californicum Michalski; Raum; Hopson 1987-4-1 87 Humboldt Larabee Buttes Comment
  UC1197647  Erythronium californicum Joseph P. Tracy 1941-4-8 16848 Humboldt serpentine formation along Trinity Hwy Willow Creek Canyon 609 Comment
  UC175814  Erythronium californicum Joseph P. Tracy 1913-5-4 4058 Humboldt Ashfield Butte Northern Coast Ranges 762 Comment
  HSC40548  Erythronium grandiflorum subsp. grandiflorum Thomas W. Nelson, Jane P. Nelson 1976-5-23 Humboldt Beside Rd. 1S07 at pass between Black Lassic and E peak of Signal Peak group 1707 Comment
  CAS-BOT-BC403034  Eschscholzia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC184948  Eschscholzia californica Joseph P. Tracy 1912-7-21 3765 Humboldt Alton Northern Coast Region 30 Comment
  RSA21096  Eschscholzia californica var. crocea Carl B. Wolf 1937-6-14 8824 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  HSC76043  Eucephalus glabratus Overton, Butler 1979-8-2 12568 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC103276  Euonymus occidentalis Melinda Bailey 2014-10-8 Humboldt Kneeland, along Freshwater Creek. 762 Comment
  POM208999  Euonymus occidentalis Lincoln Constance 1934-6-11 855 Humboldt Cabin Creek bridge on Dyerville-Bull Creek Flat road. Humboldt Redwood Park. 52 Comment
  HSC7994  Euphorbia peplus Richard Steele 1962-4-14 19 Humboldt 1/4 mi. W of H.S.C. campus 15 Comment
  JEPS52427  Euphorbia spathulata Joseph P. Tracy 1926-5-2 7431 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC54897  Euphorbia spathulata Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  UC902141  Euphorbia spathulata Joseph P. Tracy 1948-6-20 18068 Humboldt Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC312210  Eurybia radulina Doris K. Kildale 1926-8-22 2588 Humboldt On Orick - Martin's Ferry Road 716 Comment
  UC774610  Eurybia radulina Carl B. Wolf 1937-9-8 9301 Humboldt 11 mi w of, Bull Creek -Petrolia Road Redwood Highway; North Coast Range 304 Comment
  CAS-BOT-BC310679  Euthamia occidentalis Joseph P. Tracy 1927-10-8 8389 Humboldt Arcata Bottom 15 Comment
  HSC9849  Festuca californica D. E. Anderson 1965-5-1 3583 Humboldt Along road to Bluff Creek campground, about 3 mi from its junction with Hwy. 96 Comment
  UC1103701  Festuca californica Joseph P. Tracy 1911-7-7 3426 Humboldt ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  HSC9954  Festuca occidentalis R. H. Berg 1963-5-1 62 Humboldt HSU Campus, Arcata, CA Comment
  UC1103723  Festuca occidentalis Joseph P. Tracy 1937-7-25 15543 Humboldt head of Little Hors-Linto Creek Trinity Summit, Little Hors-Linto Cree 1371 Comment
  SEINET11683172  Festuca rubra K. S. Erdman 1970-1 4812 Humboldt Gold Bluff Beach about 3 mi NW of Berry Glen and US 101 (Redwood NP) Comment
  SEINET3827552 Image available Festuca subuliflora T. R. Van Devender, R. K. Van Devender 1990-1 90 -102 Humboldt Cal-Barrel Road in Redwood National Forest; dense old-growth redwood forest. Comment
  UC53425  Festuca subuliflora Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5407 Humboldt Hubbards Station Comment
  UC205480  Foeniculum vulgare Joseph P. Tracy 1919-9-14 5221 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  RSA256572  Fragaria californica A. Montalvo, J. D. Ackerman 1973-4-29 78 Humboldt 2 miles NE of Kneeland on road to Maple Creek. 457 Comment
  CAS-BOT-BC453520  Fragaria chiloensis David D. Keck; J. Clausen 1935-6-16 3390 Humboldt Mouth of Little River Comment
  HSC100627  Fragaria chiloensis Carl C. Marshall Apr 1886 181 Humboldt Vicinity of Humboldt Bay. Comment
  HSC72700  Fragaria vesca Gail Newton 1980-6-24 570 Humboldt Near Ladder Rock 1570 Comment
  HSC24051  Fragaria vesca J. O. Sawyer 1971-6-15 2382 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  CAS-BOT-BC457925  Fragaria vesca subsp. californica Doris K. Kildale 1927-3-24 2947 a Humboldt Fleener Creek, Coastal Bluff. Comment
  CAS-BOT-BC52743  Frangula californica subsp. californica Doris K. Kildale 1927-7-3 3653 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC59963  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  HSC63001  Frangula purshiana David Wheeler 1979-5-17 114 Humboldt Stagecoach Rd., 1 mi. from the Trinidad Post Office Comment
  HSC102007  Frangula purshiana subsp. purshiana M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 908 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC100890  Fritillaria Carl C. Marshall Apr 1887 396 Humboldt Hoopa. Comment
  HSC15541  Fritillaria affinis Elrid H. Spinas 1948-6-16 68 Humboldt Horse Mtn. Comment
  HSC15543  Fritillaria affinis A. H. Teshima 1963-5-8 34 Humboldt Moonstone Beach area Comment
  UC1197632  Fritillaria affinis Joseph P. Tracy 1922-5-29 6066 Humboldt South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  UC429292  Fritillaria affinis Mrs. M. H. Manning 1901-1 9 Humboldt near Hupa Comment
  HSC96863  Fritillaria affinis Frances Reuss Harmon 2001-3-31 17 Humboldt Grays Falls picnic area, SE edge of open rocky soil Comment
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Apr 21 2014
  SEINET12050370  Fritillaria affinis F. H. Utech 1988-1 88 -285 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, bluff above Van Duzen River 800 Comment
  UC175294  Fritillaria recurva Joseph P. Tracy 1913-6-17 4176 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC41285  Galium bolanderi Brad Klipfel 1974-7-23 477 Humboldt Horse Mtn. Comment
  UC169073  Galium bolanderi Harley P. Chandler 1901-6-4 1326 Humboldt Campbell Creek North Coast Ranges, Hupa Indian Reservation 152 Comment
  JEPS6693  Galium californicum subsp. californicum W. L. Jepson 1932-8-1 16468 Humboldt Bull Creek 121 Comment
  JEPS6682  Galium muricatum Joseph P. Tracy 1934-7-22 13488 Humboldt North Yager Creek 396 Comment
  SEINET12514834  Galium nuttallii B. D. Rogers, W. J. Ferlatte 1966-6-15 2092 Humboldt Near Bridge ville. Comment
  HSC70963  Galium porrigens Gail Newton 1980-7-15 1585 Humboldt Near Sims Mtn. 1311 Comment
  HSC39162  Galium triflorum D. E. Anderson, J. P. Smith 1971-6-28 - 1241 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  BLMAR224  Galium triflorum Jennifer Anthony-Wheeler 1996-7-11 224 Humboldt N. Dobbyn creek, shady areas of forest floor throughout understory 1005 Comment
  HSC79426  Galium triflorum Kenneth Clark 1980-3-22 526 Humboldt Shelter Cove, on slope above Dead Man's Gulch 122 Comment
  UC169075  Galium triflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5470 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  CAS-BOT-BC303395  Gamochaeta ustulata Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC303400  Gamochaeta ustulata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC91914  Gamochaeta ustulata E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  UC1199344  Gamochaeta ustulata Joseph P. Tracy 1934-6-19 13232 Humboldt Carlotta 60 Comment
  HSC40406  Garrya elliptica Linda M. Barker 1976-3-22 1339 Humboldt 3 mi. W of Arcata Comment
  HSC8390  Garrya elliptica C. O. Baker 1962-3-22 3 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  UC630637  Garrya elliptica Joseph P. Tracy 1939-3-19 16203 Humboldt near Blue Slide (on Van Duzen River, Root Grade); Van Duzen River 91 Comment
  HSC82186  Garrya fremontii Thomas W. Nelson 1977-6-15 3444 Humboldt Along old road to ski area 1372 Comment
  UC1196893  Garrya fremontii Joseph P. Tracy 1947-7-9 17840 Humboldt Horse Mountain 1402 Comment
  UCSB72516  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek, mostly within Hoppe Indian Reservation, upstream from Willow Village Comment
  JEPS8446  Gaultheria ovatifolia Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3413 Humboldt meadow at Snow Camp, ridge between Mad River and Redwood Creek (Bald Mountain ridge) Snow Camp 1432 Comment
  CAS-BOT-BC58913  Gaultheria shallon Alice Eastwood 1907-4-21 20 Humboldt Port Trinidad Comment
  HSC45586  Gaultheria shallon Diane L. Reed 1978-5-27 140 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  HSC7809  Gaultheria shallon D. A. Shally 1965-5-15 44 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  RSA232641  Gaultheria shallon Larry E. DeBuhr, Gary D. Wallace 1972-5-22 607 Humboldt About 25 miles north of Arcata on the south end of Big Lagoon. Comment
  RSA285358  Gaultheria shallon Lyman Benson 1925-7-13 55 Humboldt Dyerville. 61 Comment
  SDSU2867  Gaultheria shallon D. F. Howe 1961-8-1 3106 Humboldt 6 miles north of Trinidad on #101. Comment
  UCSB12342  Gaultheria shallon 1961-7-4 Humboldt 4.8 miles east of the North Fork of the Mad River on U.S. 299 685 Comment
  UC549765  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 Mountains 1737 Comment
  JEPS27601  Gayophytum heterozygum Joseph P. Tracy 1933-8-30 13045 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC99579  Gayophytum humile K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 244 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
  UC1196960  Gayophytum humile Joseph P. Tracy 1930-7-23 9117 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  HSC54746  Gayophytum racemosum G. L. Clifton, Griswold 1979-7-26 10230 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  CAS-BOT-BC208029  Genista monspessulana C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  UC562301  Gentiana affinis var. ovata Joseph P. Tracy 1930-7-27 9110 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  HSC22015  Gentiana sceptrum Thomas W. Nelson 1970-10-17 237 Humboldt Big Lagoon Comment
  RSA183533  Gentiana sceptrum D. E. Anderson 1963-9-6 2810 Humboldt Big Lagoon Sphagnum Bog Comment
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Feb 26 2014
  SD42345  Gentiana sceptrum Carl B. Wolf 1937-9-12 9328 Humboldt Big Lagoon; south side along Redwood Highway. 6 Comment
  UC275299  Gentiana sceptrum R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC534995  Gentiana sceptrum H. E. Parks 1931-7-1 10152 Humboldt Bishop Pine Lodge Trinidad 76 Comment
  UCSB26680  Gentiana sceptrum Havlik, Neil 1968-8-21 Humboldt south end of Big Lagoon; north of Trinidad 1 Comment
  HSC100486  Geranium carolinianum Carl C. Marshall May 1886 192 Humboldt Everywhere. Comment
  HSC8651  Geranium molle R. T. Forester 1963-4-30 17 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC89415  Geranium molle P. A. Daly 1986-3-12 103 Humboldt Trinidad Head 61 Comment
  UC164809  Geranium molle Joseph P. Tracy 1906-5-6 2436 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1198959  Geranium oreganum Joseph P. Tracy 1924-4-27 6663 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC74459  Gilia capitata M. A. Baker 1980-5-18 1364 Humboldt Near Black Mtn. 792 Comment
  HSC90657  Gilia millefoliata Gail Newton 1982-5-5 3541 Humboldt Elk River Wildlife Area, Eureka. Comment
  JEPS16254 Image available Gilia millefoliata J. P. Tracy 1903-6-12 1921 Humboldt immediate vicinity Eureka; ; Eureka, Humboldt Co. 0 Comment
  JEPS85975  Gilia tricolor subsp. diffusa Joseph P. Tracy 1919-5-31 5144 Humboldt at Willow Creek (Trinity River Valley); Trinity River, Willow Creek 152 Comment
  UC906683  Gilia tricolor subsp. tricolor Joseph P. Tracy 1943-5-9 17419 1/2 Humboldt at Willow Creek Trinity River Valley, at Willow Creek 152 Comment
  HSC89597  Gilia tricolor subsp. tricolor M. Roantree 1985-5-24 59 Humboldt S of Trinidad Head summit near cross Comment
  SEINET10464629  Githopsis specularioides Tracy 1903-5-23 TRACY 1906 Humboldt Alder Point, on Eel River 152 Comment
  UC1191700  Glaux maritima Malcolm A. Nobs, S. Galen Smith 1949-8-11 1343 Humboldt at eastern shore of Stone Lagoon Stone Lagoon Comment
  RSA273327  Glaux maritima J. D. Ackerman 1975-6-10 453 Humboldt 1 mile N of Samoa Bridge turnoff from Samoa Blvd., S of Manila, Humboldt Bay Comment
  UC562469  Glaux maritima Joseph P. Tracy 1926-8-29 7780 Humboldt around Humboldt Bay (Northern Coast Region, Mad River Slough); Northern Coast Region, Mad River Slough 3 Comment
  UC162686  Glechoma hederacea Joseph P. Tracy 1911-7-7 3382 Humboldt 3 mi nw Willow Creek junction with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  HSC21497  Glehnia littoralis subsp. leiocarpa S. J. Hawks 1965-5-14 62 Humboldt Clam Beach Comment
  UC154100  Glehnia littoralis subsp. leiocarpa J. P. Tracy 1901-8-7 1261 Humboldt sand hills of Ocean Beach at Samoa opposite Eureka Comment
  HSC10056  Glyceria declinata D. J. McVean 1965-5-18 79 Humboldt McDaniel's Slough next to Samoa Blvd., Arcata. Comment
  HSC93744  Glyceria fluitans Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-25 791 Humboldt Arcata, Alder Grove Pond 18 Comment
  UC1145104  Glyceria grandis Joseph P. Tracy 1936-6-28 15024 Humboldt Lake Prairie; Bald Mountain 1066 Comment
  HSC58110  Gnaphalium palustre G. L. Clifton, Griswold 1979-8-1 12058 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC99567  Gnaphalium palustre K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 232 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
  CAS-BOT-BC302534  Gnaphalium palustre Doris K. Kildale 1925-6-30 846 Humboldt Buhne's [Buhne] Point Comment
  UC13521  Goodyera oblongifolia Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5612 Humboldt near Acorn; North-Western California Comment
  CAS-BOT-BC304759  Grindelia hirsutula Roxana S. Ferris 1937-8-21 9388 Humboldt Shelter Cove Comment
  CAS-BOT-BC304761  Grindelia hirsutula Carl B. Wolf 1927-8-29 1214 Humboldt Devil's Gate, south of Cape Mendocino Comment
  HSC79363  Grindelia hirsutula Kenneth Clark 1980-5-10 655 Humboldt S-facing bluffs of Point Delgada 8 Comment
  JEPS93180  Grindelia hirsutula Margriet Wetherwax and Kevin Downing 1993-8-9 2458 Humboldt Eureka Slough Humboldt Bay (s side, near Bayside Rd. and Myrtle Marsh, at end of road to church, on e side of bay, just n of Eureka) 5 Comment
  POM232053  Grindelia hirsutula Roxana S. Ferris 1937-8-21 9388 Humboldt Face of cliff above beach, Shelter Cove. Comment
  UC199436  Grindelia hirsutula Joseph P. Tracy 1938-7-15 16075 Humboldt Mouth of Eel River 3 Comment
  UC525562  Hackelia californica Joseph P. Tracy 1932-7-12 10428 Humboldt Corral Prairie; Klamath Mountains. Trinity Summit 1524 Comment
  RSA167310  Hackelia californica Joseph P. Tracy 1948-8-15 18154 Humboldt Trinity Summit, on ridge 2 miles east of Grove s Prairie. 1524 Comment
  POM160314  Hastingsia serpentinicola Joseph P. Tracy 1926-6-20 7633 Humboldt Horse Mountain. 1463 Comment
  CAS-BOT-BC158026  Hedera helix Joseph P. Tracy 1939-1-22 16185 Humboldt Blue Slide on Van Duzen River 91 Comment
  SEINET2166159  Hedera helix Joseph P. Tracy 1939-1-22 16185 Humboldt Blue SLide, on Van Duzen River. Comment
  HSC57948  Helenium bigelovii G. L. Clifton, Griswold 1979-7-31 11626 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC1223099  Helenium bigelovii Joseph P. Tracy 1949-8-11 18462 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC306616  Helenium bigelovii Doris K. Kildale 1925-7-26 1057 Humboldt Christmas Prairie - Bald Mt. Comment
  UC175963  Helenium bolanderi Joseph P. Tracy 1912-7-24 3808 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  HSC25942  Helminthotheca echioides Thomas W. Nelson 1970-10-31 294 Humboldt Eel River near N end of the Scotia Bluff. Comment
  HSC102615  Hemieva ranunculifolia M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1602 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  CAS-BOT-BC310080  Hemizonella minima L. P. Janeway 1984-6-23 897 Humboldt Titlow Hill 1478 Comment
  POM126140  Hemizonia congesta Joseph P. Tracy 1923-6-20 6337 Humboldt Near Briceland. 305 Comment
  CAS-BOT-BC309988  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1932-8-21 10364 Humboldt Northern Coast Ranges. Three Cabins; on lower western foothills of Chaparral Mountain 457 Comment
  UCD132992  Hemizonia congesta subsp. tracyi R. N. Raynor 1935-1 s.n. Humboldt above Fort Seward. 762 Comment
  HSC74502  Heracleum maximum Gail Newton 1980-8-10 2049 Humboldt Near Blake Mtn. 1707 Comment
  HSC98845  Heracleum maximum Cara Witte 2008-7-16 920 Humboldt National Forest Road 4N06. 1 mile west of National Forest 1. 1228 Comment
  HSC74733  Heterocodon rariflorum Gail Newton 1981-7-24 2318 Humboldt Near Chaparral Mtn. 1433 Comment
  SEINET10460607  Heterocodon rariflorum Willis L. Jepson Jepson 16394 Humboldt GARBERVILLE Comment
  RSA507772  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-18 8529 Humboldt Near Myer's Flat; S fork Eel River at US 101. Comment
  RSA93364  Heterotheca oregona var. rudis F. W. Peirson 1941-7-29 13111 Humboldt Stephens Grove State Park. Comment
  UC205160  Heterotheca oregona var. rudis Joseph P. Tracy 1919-9-27 5305 Humboldt near Mouth of Willow Creek (gravel bar of Willow Creek); Northern Coast Ranges, Valley of the Trinity River, Willow C 152 Comment
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Jul 15 2016
  HSC71159  Heuchera micrantha Thomas W. Nelson 1977-6-15 3423 Humboldt Along USFS Rd. 5N10 just N of its junction with USFS Rd. 6N08 1372 Comment
  UC56719  Heuchera micrantha var. diversifolia Harley P. Chandler May, 1901 1231 Humboldt Redwood Belt; North Coast Ranges 457 Comment
  RSA0063136  Heuchera micrantha var. hartwegii Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville. Comment
  CHSC40208  Heuchera micrantha var. pacifica L. P. Janeway 1984-5-28 842 Humboldt Benbow State Recreation Area along South Fork Eel River. Slope above old Hwy 101. 121 Comment
  HSC76266  Heuchera rubescens Teresa Prendusi 1981-7-24 515 Humboldt Near Whiteys Peak 1634 Comment
  HSC44547  Hieracium albiflorum Brad Klipfel 1973-7-15 166 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC57023  Hieracium albiflorum Overton, Butler 1979-7-24 9640 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC582417  Hieracium albiflorum Joseph P. Tracy 1929-7-4 8613 1/2 Humboldt French Camp Ridge 1066 Comment
  HSC31198  Hieracium albiflorum D. E. Anderson 1972-6-20 5756 Humboldt Along the N slope of Horse Mtn. Comment
  RSA170205  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18181 Humboldt High ridge east of Grove's Prairie near Elk Camp on the Grizzly Camp Road. Trinity Summit. 1524 Comment
  CAS-BOT-BC318531  Hieracium greenei Joseph P. Tracy 1935-7-29 14340 Humboldt Trinity Summit near ranger station 1828 Comment
  HSC57619  Hieracium greenei G. L. Clifton, Griswold 1979-7-25 10744 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC13459  Hippuris vulgaris Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC69757  Hippuris vulgaris Thomas W. Nelson 1977-9-22 3750 Humboldt Along E side of State Rte. 101, N of Eureka airport Comment
  HSC95385  Hippuris vulgaris Andrea Pickart 2002-7-19 185 Humboldt Arcata Marsh in Log Pond 10 Comment
  UC198615  Hippuris vulgaris Joseph P. Tracy 1917-5-30 4807 Humboldt near mouth of Little R.; Northern Coast Ranges 6 Comment
  HSC61726  Hirschfeldia incana Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  HSC99581  Holcus lanatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 246 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
  RSA53833  Holcus lanatus Henry M. Pollard 1946-8-10 s.n. Humboldt South of Klamath River and east of Perch Creek, Orleans region. Comment
  UC922019  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka 30 Comment
  CAS-BOT-BC149900  Holodiscus discolor Elmer I. Applegate 1923-9-12 3989 Humboldt Stone Lagoon Comment
  CAS-BOT-BC149902  Holodiscus discolor Doris K. Kildale 1927-7-17 3755 Humboldt Bug Creek 792 Comment
  CAS-BOT-BC149903  Holodiscus discolor L. R. Abrams 1918-6-16 7147 Humboldt Willow Creek Comment
  HSC58168  Holodiscus discolor G. L. Clifton, Griswold 1979-8-2 12239 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC73688  Holodiscus discolor M. A. Baker 1980-7-23 3172 Humboldt Near Orleans Mtn. 1859 Comment
  JEPS44652  Holodiscus discolor L. Constance 1934-6-4 812 Humboldt Look Prairie; Dyerville; Bull Cr. road; South Fork of Eel River; Look Prairie, and Bull Cr. road, to Dyerville. Comment
  UCD18348  Holodiscus discolor K. Esau 1934-5-6 s.n. Humboldt above Fort Seward. 457 Comment
  SEINET10771149  Holodiscus discolor J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13011 Humboldt On U.S. 101, near Holmes, 1.76 km south of Stafford Road. Comment
  HSC98175  Hordeum marinum subsp. gussoneanum L. M. Malloy 1965-5-14 42 Humboldt N of Liscom's Slough 1/4 mi. on Foster Ave. Comment
  JEPS72937  Hordeum marinum subsp. gussoneanum Lincoln Constance 1934-5-29 722 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River, Upper Look Prairie (South Fork Eel River, Bull Creek Region) 365 Comment
  UCD85896  Hordeum marinum subsp. gussoneanum A. H. Murphy 1951-6-1 49 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap. Comment
  SEINET11911570  Horkelia sericata H. P. Chandler 1901-1 1543 Humboldt Klamath River 427 Comment
  JEPS102923  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1987-6-11 8610 Humboldt 8.5 mi E of junction with SR 96 Big Hill Rd Comment
  CDA20012  Horkelia tridentata subsp. flavescens P. Haggard 2002-8-5 PDR P 070940 Humboldt Northwestern California; USFS property, vicinity of Blue Lake. 0 Comment
  HSC76236  Horkelia tridentata var. flavescens Denis Kearns 1981-7-6 83 Humboldt Near Mosquito Lake 1256 Comment
  HSC79333  Horkelia tridentata var. flavescens D. H. Norris 1970-5-20 12177 Humboldt Crest of Big Hill Rd. E of Hoopa Comment
  HSC70929  Hosackia crassifolia R. York 1980-5-18 581 Humboldt Near Black Mtn. 792 Comment
  SEINET957086  Hosackia rosea A. M. Ottley 1914-1 4599 Humboldt Same locality as 4576. Bald Mountian between high prairie and snow camp. 1219 Comment
  HSC21513  Hydrocotyle ranunculoides R. L. Jarvis 1962-4-29 34 Humboldt Clam Beach Lagoons, 0.5 mi S of Little River on Hwy 101 0 Comment
  HSC64261  Hydrophyllum fendleri var. albifrons J. O. Sawyer, M. A. Ericksen 1979-6-23 3395 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  SEINET12279830  Hydrophyllum occidentale H. P. Chandler 1901-1 1263 Humboldt Redwood Belt 457 Comment
  HSC58119  Hypericum anagalloides G. L. Clifton, Griswold 1979-8-1 12088 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC62864  Hypericum anagalloides J. M. DiTomaso 1979-5-20 1046 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  CAS-BOT-BC400795  Hypericum anagalloides Doris K. Kildale 1925-8-17 1241 Humboldt Trinity Summit - Waterdog Lake 1828 Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  SEINET6178747  Hypericum perforatum Unknown 1974-7-12 10 Humboldt 23.5 miles from Hwy 101.; 0 Comment
  UC1198400  Hypericum perforatum Joseph P. Tracy 1934-7-9 13346 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC401304  Hypericum scouleri Ira L. Wiggins 1932-7-18 5886 Humboldt Between Arcata and Bayside Comment
  CAS-BOT-BC206837  Iliamna latibracteata L. B. Kildale 1926-6-6 2114 Humboldt Prairie Creek near Davidson's Comment
  POM205521  Iliamna latibracteata F. W. Peirson 1923-7-11 s.n. Humboldt Between Eureka and Crescent City Comment
  SEINET5536070 Image available Impatiens glandulifera W. J. Ferlatte, B. D. Rogers 1966-1 3128 Humboldt Lampheres Garden Comment
  RSA46818  Ipomopsis aggregata subsp. formosissima Doris K. Kildale 1925-2-15 1157 Humboldt Trinity Summit. Comment
  POM265999  Iris Lincoln Constance 1942-5-12 2893 Humboldt Klamath River 2 miles north of Orleans. 122 Comment
  JEPS542  Iris douglasiana W. L. Jepson 1932-8-9 16539 Humboldt Bull Creek 152 Comment
  HSC13852  Iris douglasiana W. R. Rogers 1966-5-9 305 Humboldt 3 mi. SE of Arcata, Fickle Hill Comment
  UC1188258  Iris douglasiana L. W. Lenz and E. K. Balls 1956-6-12 21666 Humboldt between Willow Creek and Blue Lake (U.S. Hwy 299) 365 Comment
  RSA135933  Iris purdyi Lee W. Lenz, E. K. Balls 1955-5-16 20743 Humboldt 2.3 miles southeast of Upper Mattole, on Old Coast Road to Ettersburg 91 Comment
  HSC44786  Iris tenuissima Maralyn O'Meara 1972-6-8 96 Humboldt Along Bald Hills Rd., 8 mi. E of junction with Hwy. 101 Comment
  HSC59440  Iris tenuissima Kenneth Clark 1979-5-16 307 Humboldt Tish Tang State Campground, 11 mi. N of Willow Creek on Hwy. 96 244 Comment
  JEPS88847  Iris tenuissima Carol A. Wilson 1992-5-17 92 -ph22 Humboldt 12.1 mi e U.S. Hwy 101 (on Bald Hill Rd); Redwood National Park 701 Comment
  JEPS64018  Isolepis cernua W. L. Jepson 1921-8-7 9336 Humboldt on the flats and beach Stone Lagoon Comment
  CAS-BOT-BC112456  Isolepis cernua Joseph Prince Tracy 1927-9-4 8363 Humboldt Sand Dunes, near Samoa on Humboldt Bay; depressions where water collects in winter.q 6 Comment
  UC198638  Isolepis setacea Joseph P. Tracy 1917-6-17 4817 Humboldt around, Salmon Creek Valley Humboldt Bay; Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  CAS-BOT-BC340155  Jaumea carnosa Doris K. Kildale 1929-6-6 8484 Humboldt Stone Lagoon Comment
  CAS-BOT-BC340159  Jaumea carnosa Marcus E. Jones 1931-7-16 29118 Humboldt Arcata Comment
  HSC5881  Jaumea carnosa David K. Smith 1968-11-9 55 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  CAS-BOT-BC101964  Juglans hindsii J. W. Blankinship 1928-7-12 s.n. Humboldt Clear Lake woods, Mouth of Kelsey Cr. Comment
  HSC102931  Juncus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 934 Humboldt Patterson Meadows 1555 Comment
  CHSC102919  Juncus breweri Peter F. Zika 2007-7-19 23173 Humboldt North Coast. S end of Humboldt Bay. 3 Comment
  HSC39051  Juncus bufonius Linda M. Barker 1976-6-22 1619 Humboldt 3 mi. W of Arcata Comment
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  SDSU11740  Juncus effusus var. brunneus D. F. Howe 1961-8-2 3119 Humboldt 8.5 miles east of Orick on Bald Mt. road. 610 Comment
  HSC98512  Juncus ensifolius Cara Witte 2008-7-25 936 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  UC14899  Juncus ensifolius J. P. Tracy 1900-8-5 917 Humboldt immediate vicinity Eureka 0 Comment
  RSA53821  Juncus ensifolius Henry M. Pollard 1945-8-26 s.n. Humboldt Between Orleans and Camp Creek. Klamath River Canyon. Comment
  HSC40127  Juncus exiguus Thomas W. Nelson, James Nelson 1976-7-28 3075 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  SEINET11789636  Juncus falcatus J. P. Tracy 1930-1 9218 Humboldt N end of Humboldt Bay Comment
  CHSC102933  Juncus laccatus Peter F. Zika 2007-7-30 23330 Humboldt North Coast, NCo. Above E side of Route 101, at high point between Stone and Big Lagoons. 80 Comment
  RSA730737  Juncus laccatus P. F. Zika 2007-7-30 23330 Humboldt Above E side of Route 101, at high point between Stone and Big Lagoons, (NCo, North Coast). 80 Comment
  HSC39050  Juncus lescurii Linda M. Barker 1976-6-22 1620 Humboldt 3 mi. W of Arcata Comment
  HSC58113  Juncus mertensianus G. L. Clifton, Griswold 1979-8-1 12069 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  RSA53820  Juncus patens Henry M. Pollard 1945-8-27 s.n. Humboldt Pond near Harley Place, near Orleans. Comment
  CAS-BOT-BC154066  Juncus planifolius Peter F. Zika 2008-10-19 24229 Humboldt E side of Route 101, near Exit 728 for Trinidad Beach 110 Comment
  UC183779  Juncus saximontanus Joseph P. Tracy 1912-7-31 3911 Humboldt near Buck Mountain summit; Northern Coast Ranges 1219 Comment
  HSC73067  Juniperus communis var. saxatilis M. A. Baker 1980-6-16 1954 Humboldt Near Onion Mtn. 1280 Comment
  UC1197590  Kalmia polifolia subsp. microphylla Joseph P. Tracy 1927-8-22 8348 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  RSA79855  Keckiella corymbosa F. W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec. Comment
  UC1222789  Keckiella corymbosa Joseph P. Tracy 1950-8-20 19315 Humboldt opposite mouth of Salmon River (at Ishi-Pishi Falls, w side of Klamath River); Klamath River Comment
  UC213144  Keckiella corymbosa Joseph P. Tracy 1920-8-15 5360 Humboldt Bluff Creek; Northern Coast Ranges, Klamath River 152 Comment
  UC577409  Keckiella corymbosa Joseph P. Tracy 1933-9-9 13074 Humboldt vicinity Garberville (rocks along South Fork of Eel River); South Fork of Eel River 121 Comment
  SEINET12269343  Keckiella corymbosa J. P. Tracy 1950-1 19315 Humboldt at Ishi-pishi Falls W side of Klamath River opposite mouth of Salmon River Comment
  HSC56112  Kelloggia galioides G. L. Clifton 1979-7-31 11876 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC35327  Kelloggia galioides Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  RSA244957  Kickxia elatine David Johnson 1973-11-15 s.n. Humboldt Growing along West End Rd. ca 50 yds. north of the highway 101 overpass. Beside the railroad tracks. Comment
  CDA2756  Kniphofia uvaria Gordon Leppig, Sylvia Leppig 2000-4-9 1287 Humboldt Arcata Marsh and Wildlife Refuge. Southeast corner of Klopp Lake dike, Arcata. Comment
  HSC62771  Kniphofia uvaria M. Dean Griswold Jr. 1979-5-29 74 Humboldt E side of Alliance Rd. Comment
  HSC95250  Kniphofia uvaria Gordon Leppig, Sylvia Leppig 2000-4-9 1287 Humboldt Humboldt Marsh and Wildlife Refuge, SE corner of Klopp Lake Dike 1 Comment
  CAS-BOT-BC273598  Koeleria pyramidata Harley P. Chandler 1901-6-1 1342 Humboldt North Coast Ranges. Hupa Indian Reservation 304 Comment
  RSA0084173  Kopsiopsis strobilacea D. E. Anderson 1965-6-1 3773 Humboldt Along Friday Hill Road, about 2 miles northeast of its junction with Titlow Hill Road. 1158 Comment
  UC205187  Kyhosia bolanderi Joseph P. Tracy 1919-9-18 5252 Humboldt meadow McKay; Trinity summit 1524 Comment
  UC479390  Lactuca biennis Marcus E. Jones, A. M. 1931-7-14 29090 Humboldt s Eureka Comment
  UC552314  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  HSC69891  Lagophylla ramosissima Thomas W. Nelson, Jane P. Nelson 1977-7-30 3661 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  JEPS40365  Lagophylla ramosissima Lincoln Constance 1934-5-29 729 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC1223225  Lagophylla ramosissima Joseph P. Tracy 1950-8-4 19259 Humboldt ne lookout ((at head of Canoe Creek)); Bull Creek State Park, Grasshopper Peak Comment
  UCLA55474  Lamium amplexicaule Joseph P. Tracy 1923-6-10 6261 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC26842  Lamium amplexicaule Thomas W. Nelson 1971-1-8 323 Humboldt Ferndale next to Co. Fair Grounds Comment
  UCSB45118  Lamium amplexicaule Council, Michael 1978-3-11 Humboldt Southwest corner of Cathedral Oaks and Los Caneros 10 Comment
  RSA18146  Lapsana communis C. B. Wolf 1927-8-22 801 Humboldt Big Lagoon. Comment
  HSC5135  Lasthenia californica G. N. Bos 1965-5-15 261 Humboldt 3 mi. W of Berry Summit along U.S. 299 610 Comment
  HSC71032  Lasthenia californica Thomas W. Nelson 1977-4-20 3324 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  CAS-BOT-BC337994  Lasthenia californica Doris K. Kildale 1926-5-9 1992 Humboldt Kneeland Prairie at rock pile 853 Comment
  JEPS10075  Lasthenia californica subsp. californica Joseph P. Tracy 1932-6-26 10265 Humboldt Valley of South Yager Creek 762 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
  HSC89316  Lathyrus aphaca Pat Daly 1989-4-14 Humboldt Mckinleyville, 4886 Cottage Grove Ave. Comment
  HSC15267  Lathyrus glandulosus Francis Winter 1960-4-23 Humboldt 2 mi. E of Korbel, Korbel-Maple Creek Rd. 229 Comment
  HSC86123  Lathyrus glandulosus S. L. Broich 1981-6-9 1146 Humboldt 8.5 km NE of Freshwater-Kneeland Rd. on the road to Maple Creek Comment
Read comments
Nov 6 2012
  HSC34616  Lathyrus japonicus Chirs Busik, P. K. Sather 1974-5-9 Humboldt Clam Beach County Park at the mouth of Strawberry Creek. Comment
  UCD106234  Lathyrus japonicus var. maritimus B. Clark 1927-9-1 s.n. Humboldt Along R.R. track near Eureka. Comment
  HSC49084  Lathyrus latifolius Patricia Shesgreen 1978-8-5 130 Humboldt Spring St. between 16th and 17th Sts., Arcata. Comment
  RSA53806  Lathyrus latifolius H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  HSC15522  Lathyrus littoralis Gary J. Stebbins 1970-4-18 70 Humboldt Along road to Samoa 1.1 mi. S of Mad River slough bridge Comment
  SBBG3353  Lathyrus littoralis H. and M. Dearing 1939-5-25 3435 Humboldt near Samoa Comment
  HSC14741  Lathyrus littoralis Francis Winter 1960-5-14 Humboldt Samoa Peninsula Comment
  UC162839  Lathyrus littoralis Joseph P. Tracy 1906-5-13 2451 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC495712  Lathyrus littoralis Joseph P. Tracy 1929-7-4 8641 Humboldt near Samoa; Northern Coast Ranges 6 Comment
  SEINET12153896  Lathyrus nevadensis J. P. Tracy 1946-1 17534 Humboldt Kneeland Prairie 762 Comment
  UC1222414  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1946-5-19 17534 Humboldt Kneeland Prairie 762 Comment
  BLMAR671  Lathyrus nevadensis var. nevadensis Jennifer Wheeler 2013-6-3 671 Humboldt Lacks Creek, West side near broom at end of road 701 Comment
  HSC76514  Lathyrus sulphureus Denis Kearns 1981-7-23 416 Humboldt Near Whiteys Peak. 1524 Comment
  JEPS55310  Lathyrus sulphureus Lincoln Constance 1934-5-31 757 Humboldt from w boundary of Park to Grasshopper Pk. (Squaw Cr.) rd (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  BLMAR670  Lathyrus torreyi Jennifer Wheeler 2013-6-3 670 Humboldt Lacks Creek, West side near broom at end of road 701 Comment
  HSC39197  Lathyrus torreyi D. E. Anderson, J. P. Smith 1971-7-6 - 1328 Humboldt 1.0 mi. W of Pine Ridge Summit, 6 mi. E of junction with Redwood Valley Rd. Comment
  HSC81966  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4942 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS55330  Lathyrus vestitus var. ochropetalus W. L. Jepson 1902-6-24 1930 Humboldt Korbel to Angel's Ranch (n Humboldt County) Comment
  SD53195  Lathyrus vestitus var. vestitus Darley F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on Hwy 101 60 Comment
  HSC5912  Layia carnosa L. H. Myers 1963-5-13 15 Humboldt Dunes W of Lanpheres Rd., Mad River Slough area. Comment
  HSC5913  Layia carnosa J. P. Tracy 1917-5-30 4796 Humboldt Mouth of Little River. 6 Comment
  UC495637  Layia carnosa Joseph P. Tracy 1932-5-16 10106 Humboldt near Samoa; Humboldt Bay 6 Comment
  SEINET3164358  Ledum glandulosum N. Dennis 1965-6-3 143 Humboldt Big Lagoon County Park; southwest corner of Big Lagoon Comment
  SD87756  Leontodon saxatilis subsp. saxatilis F. W. Peirson 1926-7-13 7056 Humboldt Mad River, near Blue Lake Comment
  RSA518828  Lepidium Joseph P. Tracy 1933-8-22 12992 Humboldt Mouth of Eel River. 3 Comment
  RSA246931  Lepidium didymum R. F. Thorne, Percy C. Everett 1965-8-8 35243 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UC1199168  Lepidium virginicum Joseph P. Tracy 1900-9-9 959 Humboldt near Hydesville; Northern Coast Region, Van Duzen River 60 Comment
  UCD118596  Leptosiphon androsaceus Joseph P. Tracy 1948-6-13 18048 Humboldt near Harris (2 miles north.) 609 Comment
  HSC73816  Leptosiphon ciliatus Gail Newton 1980-6-7 119 Humboldt Near Brush Mtn. 1128 Comment
  HSC97990  Leptosiphon ciliatus subsp. ciliatus Cara Witte 2007-7-8 431 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  CAS-BOT-BC226710  Leptosiphon latisectus M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  HSC66273  Lewisia cotyledon var. cotyledon M. A. Baker 1980-7-24 3196 Humboldt Near Orleans Mtn. 1625 Comment
  HSC55095  Lewisia leeana G. L. Clifton, Griswold 1979-7-31 11799 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  JEPS5879  Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  CAS-BOT-BC444479  Lewisia triphylla Joseph P. Tracy 1932-7-10 10376 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  CAS-BOT-BC283514  Leymus X vancouverensis Malcom A. Nobs; S. Galen Smith 1949-8-3 1204 Humboldt Salt marshes bordering Humboldt Bay, ca 2 miles N of Eureka Comment
  UC526793  Leymus X vancouverensis Joseph P. Tracy 1927-6-26 8214 Humboldt Stone Lagoon Northern Coast Region 6 Comment
  RSA295817  Leymus vancouverensis Lyman Benson 1929-7-15 1818 Humboldt Clam Beach, Trinidad Comment
  CAS-BOT-BC436492  Ligusticum apiifolium Ira L. Wiggins 1930-7-22 4692 Humboldt Along Redwood Creek between Blue Lake and Wilow Creek Comment
  CAS-BOT-BC436493  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt Humboldt Bay, near top of Humboldt Hill 152 Comment
  UC1222551  Lilaea scilloides Joseph P. Tracy 1950-6-18 18844 Humboldt s of point Cape Mendocino (at Davis Creek) 3 Comment
  HSC21519  Lilaeopsis occidentalis Jerry Parker 1968-10-26 211 Humboldt Big Lagoon shoreline, near Sphagnum Bog outlet Comment
  HSC95380  Lilaeopsis occidentalis Andrea Pickart 2002-7-9 170 Humboldt Bracut Marsh at freshwater outlet into salt marsh 10 Comment
  RSA12433  Lilium bolanderi Carl B. Wolf 1934-7-2 5860 Humboldt 2 miles from Snow Camp on road to Bald Mountain. 1067 Comment
  HSC26820  Lilium columbianum Clifton Raymond Chesbrough 1973-6-19 98 Humboldt 0.5 mi. N of College Cove along coast Comment
  CAS-BOT-BC130637  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  RSA256730  Lilium kelloggii A. Montalvo, J. D. Akerman 1974-8-1 399 Humboldt 1 mile west of Kneeland P.O. on Greenwood Heights Road Comment
  UC175925  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC102166  Lilium pardalinum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1076 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC132960  Lilium rubescens A. M. Vollmer; L. Beane 1951-6-1 147 Humboldt On trail to Blohn's cabin, Bald Mountain, east of Korbel Comment
  UC902197  Limnanthes douglasii Joseph P. Tracy 1948-5-31 18009 Humboldt Harris 609 Comment
  HSC100568  Limnanthes douglasii Carl C. Marshall Jun 1887 68 Humboldt Damp soils throughout Humboldt. Comment
  HSC28137  Limnanthes douglasii J. D. Ackerman 1973-5-28 49 Humboldt Hwy. 299, Berry Summit. Comment
  HSC103462  Limnanthes douglasii subsp. douglasii Thomas W. Nelson, Jane Nelson 2005-5-1 9306 Humboldt Between State Route 101 and exit to Sunnybrae 5 Comment
  UC1191670  Limonium californicum Malcolm A. Nobs and S. Galen Smith 1949-8-3 1203 Humboldt salt marshes bordering Humboldt Bay (ca 2 mi n of Eureka) Comment
  UC35157  Limonium californicum Chesnut and Drew 1888-8-11 Humboldt Eureka; marsh Comment
  UC52735  Linanthus androsaceus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC58218  Linnaea borealis subsp. longiflora Walter Overton 1979-8-1 12356 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  RSA20849  Linum angustifolium Carl B. Wolf 1937-6-18 8889 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC63066  Linum bienne David Wheeler 1979-5-23 135 Humboldt Humboldt State University campus by the Plant Operations yard. Comment
  UCSB30603  Linum bienne Edwards, David 1974-8-12 Humboldt North side of 7th. St., just W. of its overpass of U.S. 101, Arcata 18 Comment
  RSA0049664  Listera cordata Dean Wm. Taylor 2011-5-4 21113 Humboldt Alderpoint Road in the vicinity of headwaters of Knack Creek 777 Comment
  SACT002876  Lithocarpus densiflorus C. White 1962-5-13 Humboldt Redwood forest along HIghway 299, 16 miles east of Arcata, ca. Comment
  CAS-BOT-BC435645  Lithophragma heterophyllum Volney Rattan 1883-6-1 s.n. Humboldt Between Mad R. and Pilot Creek Comment
  HSC96204  Lithophragma parviflorum Jennifer Lumbert, James Robinson 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on NF 1 1205 Comment
  UC673076  Lobularia maritima Joseph P. Tracy 1940-10-5 16750 Humboldt near beach on isthmus leading to Trinidad Head Trinidad 3 Comment
  UC50709  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6201 Humboldt Russ Ranch; North-Western California Comment
  UC1222808  Lomatium dasycarpum Joseph P. Tracy 1950-7-6 19000 Humboldt Albee Road, 2 mi S of Burr Valley Comment
  HSC55723  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-26 10172 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC56003  Lomatium macrocarpum Overton, Butler 1979-7-31 11454 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC70564  Lomatium macrocarpum M. A. Baker 1980-7-23 3141 Humboldt Near Orleans Mtn. 1859 Comment
  UC314596  Lomatium macrocarpum Joseph P. Tracy 1924-3-9 6611 Humboldt Kneeland Prairie 762 Comment
  HSC97637  Lomatium macrocarpum Cara Witte 2007-5-21 58 Humboldt Board Camp Mountain. 1/2 mile south of intersection with 4N38 and National Forest 1. 1427 Comment
  UC154251  Lomatium macrocarpum Joseph P. Tracy 1908-6 2835 Humboldt n.w. slope Buck Mt. 1219 Comment
  RSA119326  Lomatium martindalei S. Tillett 1956-7-6 627 Humboldt 12 miles from Orleans on road south from Bar Shanty road to east of Orleans 1174 Comment
  CAS-BOT-BC211199  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mountain 1219 Comment
  RSA273299  Lomatium tracyi B. Kelly 1977-7-16 537 Humboldt 1/4 mile in from Horse Mountain Road, 1/2 mile below turnoff to summit, near end of unused gravel road. Comment
  HSC35032  Lomatium utriculatum Thomas W. Nelson, James Nelson 1975-5-24 1858 Humboldt McKeown Ranch, N of Dinsmore. Comment
  SEINET13944678 Image available Lomatium utriculatum William A. Weber 1965-1 12292 Humboldt slope above Van Duzen River W of Dinsmore; 2400 ft alt 732 Comment
  JEPS12869  Lonicera ciliosa Joseph P. Tracy 1921-10-16 5876 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks); Northern Coast Ranges, Brannan Mountain 944 Comment
  HSC3946  Lonicera conjugialis J. P. Tracy 1932-7-11 10414 Humboldt Trinity Summit 1524 Comment
  UC1239549  Lonicera conjugialis Joseph P. Tracy 1932-7-11 10413 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC535759  Lonicera hispidula var. vacillans Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  CHSC19479  Lonicera involucrata var. ledebourii Gary J. Stebbins 1970-4-18 66 Humboldt Along road to Samoa 1.0 mile west of Mad River Slough bridge. 6 Comment
  HSC31644  Lonicera involucrata var. ledebourii Glenn McGourty 1974-6-1 78 Humboldt Comment
  HSC3930  Lonicera involucrata var. ledebourii R. A. Rasp 1964-5-7 37 Humboldt 2 mi. S of Korbel on Simpson Lumber Co. land. Comment
  POM318797  Lonicera involucrata var. ledebourii Patricia Wilder 1968-8-21 4369 Humboldt Big Lagoon Park, just west of U.S. 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 15 Comment
  RSA18019  Lonicera involucrata var. ledebourii C. B. Wolf 1927-8-22 770 Humboldt Big Lagoon. Comment
  UC1225814  Lonicera involucrata var. ledebourii Joseph P. Tracy 1943-5-21 17413 Humboldt Alton North Coast Ranges, Van Duzen River 30 Comment
  UC180196  Lonicera involucrata var. ledebourii Joseph P. Tracy 1914-7-12 4584 Humboldt near Hookton; Northern Coast Region, Humboldt Bay 0 Comment
  POM199441  Lotus aboriginus H. E. Parks, J. P. Tracy, C. R. Parks 1930-9-15 0762 Humboldt Kneeland, Bald Hills. Comment
  CHSC68782  Lotus corniculatus Vernon Oswald 1997-6-5 8538 Humboldt Samoa Dunes Recreation Area at the south tip of the North Spit of Humboldt Bay. 6 Comment
  HSC76444  Lotus corniculatus John Demarinis 1981-7-21 880 Humboldt Near Table Bluff 38 Comment
  HSC43241  Lotus corniculatus R. Sutherland 1976-8-6 7 .6876 Humboldt 229 Comment
  RSA275285  Lotus crassifolius Thomas W. Nelson, Jane Nelson, A. Nelson 1977-7-4 3614 Humboldt Along road north from Alder Springs. 1524 Comment
  UC1052840  Lotus crassifolius var. crassifolius W. L. Colwell 1955-6-7 24 Humboldt 3 mi w Weott (0.5 mi n of Grasshopper Mountain Lookout, Quad. 29-B-3) 914 Comment
  UC1223405  Lotus denticulatus Joseph P. Tracy 1934-6-14 13219 Humboldt Horse Mountain 1432 Comment
  UC33504  Lotus formosissimus Chesnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  HSC45023  Lotus humistratus R. Sutherland 1978-4-23 19 .23478 Humboldt Road near head of Kinsey Ridge 732 Comment
  CDA27277  Lotus micranthus E. C. Whitney 1959-5-6 Humboldt Highway 101, south of Eureka. (Brown property) 0 Comment
  JEPS55502  Lotus micranthus Lincoln Constance 1934-5-23 610 Humboldt above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  UC1565793  Lotus purshianus var. purshianus R. Spellenberg 1990-7-10 Humboldt 11 air e Burnt Ranch at Buck Flat (at junction of USFS Rd 5N01 and USFS Rd 1, 12 mi s of Berry Summit (on CA Hwy 299) on USFS Rd 1, extreme e edge of county); Buck Flat 1432 Comment
  HSC28181  Lotus uliginosus Richard Curtis 1973-9-27 16 Humboldt Arcata, on the N side of 7th St. just before it crosses the freeway. Comment
  UCD106706  Lotus uliginosus R. Tofsrud 1947-6-29 s.n. Humboldt Near Loleta. Comment
  HSC71596  Lotus unifoliolatus var. unifoliolatus M. A. Baker 1980-6-26 2407 Humboldt Near Sims Creek 610 Comment
  RSA751818  Lupinus Robert F. Thorne 1957-9-3 19015 Humboldt Little River Beach, few miles S of Trinidad. Comment
  RSA167379  Lupinus albicaulis var. shastensis Joseph P. Tracy 1949-8-7 18433 Humboldt On road from Hoopa to Box Camp at summit of ridge near where the road to Big Hill turns off. Comment
  HSC37859  Lupinus arboreus Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  HSC89700  Lupinus arboreus Larry Levine, Pacheco, Murphey 1989-5-5 54 Humboldt SW of Hwy. 101 bridge over Little River Comment
  RSA1902  Lupinus arboreus var. arboreus Carl B. Wolf 1930-10-28 1036 Humboldt Samoa. 15 Comment
  UC15950  Lupinus bicolor Harley P. Chandler May, 1901 1146 Humboldt Humboldt Bay; Humboldt Bay, North Coast Ranges 3 Comment
  RSA276277  Lupinus bicolor subsp. umbellatus Lyman D. Benson 1929-7-19 1860 Humboldt Dyerville to Mat[t]ole River. Comment
  SEINET10737707 Image available Lupinus constancei Thomas W. Nelson, Jane P. Nelson 1982-7-9 Nelson 7079 Humboldt Blocksburg Quadrangle. T1S, R5E, Sec. 36. Serpentine barrens on Mt. Lassic (Signal Peak) and saddle to east. 1768 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
  HSC101036  Lupinus elmeri A. Thoele, Sydney Carothers 1995-7-14 58 Humboldt Six Rivers National Forest; .6 mi. south of intersection of Forest Route 1 & Rd. 3N06, on the edge of Route 1. 1720 Comment
  UC503014  Lupinus elmeri Joseph P. Tracy Jul 16 1930-Jul 19 1930 8954 Humboldt near Blake lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  SEINET8042134  Lupinus formosus J. P. Tracy 1904-7-4 2113 Humboldt Rgion about Humboldt Bay, bluff at Bucksport 0 Comment
  RSA167420  Lupinus latifolius subsp. latifolius Joseph P. Tracy 1933-8-30 13032 Humboldt Grouse Mountain, near Clear Lake. 1524 Comment
  HSC98986  Lupinus latifolius var. latifolius Cara Witte 2008-7-2 807 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  HSC99592  Lupinus latifolius var. latifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 261 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
  UC205479  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, Trinity River, along Willow Creek 152 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
  SBBG8916  Lupinus latifolius var. viridifolius H. and M. Dearing 1939-5-24 3416 Humboldt 5 mi S of Alton Comment
  BLMAR343  Lupinus nanus Jennifer Anthony-Wheeler 2003-5-15 343 Humboldt Eden valley, Irrigated meadow on private land 694 Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  JEPS65425  Lupinus polyphyllus Kate Jared Stirring 1923-6-5 Humboldt Arcata Comment
  UC502998  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1932-7-14 10558 Humboldt Wet Meadow at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  UC1197252  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1897-6-23 202 Humboldt Elk River Valley Northern Coast Region, Humboldt Bay Region, Elk River Valley (region about Humboldt Bay) 0 Comment
  UC176607  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1913-6-25 4335 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in the valley of the Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCSB12242  Lupinus rivularis Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Creek on U.S. 299 822 Comment
  RSA165867  Lupinus variicolor Philip A. Munz 1963-6-19 24528 Humboldt Patrick's Point. 30 Comment
  SEINET12154787  Lupinus variicolor J. P. Tracy 1938-1 15940 Humboldt Brainards Point, betw Eureka and Arcata Comment
  HSC70778  Luzula comosa R. York 1980-5-17 549 Humboldt Near Le Perron Peak 1066 Comment
  UCD142058  Luzula comosa Linda M. Barker 1976-6-14 1596 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  HSC45018  Luzula comosa R. Sutherland 1978-4-23 13 .23478 Humboldt Telegraph Ridge at head of Green Ridge 707 Comment
  SEINET11790125  Luzula comosa J. P. Tracy 1951-1 19546 Humboldt Snow Camp Meadow Comment
  JEPS67158  Luzula macrantha Joseph P. Tracy 1926-5-2 7446 Humboldt Near Ruby Creek, Willow Creek Canyon, Northern Coast Ranges, 609 Comment
  RSA12548  Luzula parviflora Carl B. Wolf 1934-7-2 5890 Humboldt Small Lake at Snow Camp. (Mountains east of Korbel). 1372 Comment
  SD46471  Luzula parviflora E. K. Balls, L. W. Lenz 1956-6-12 21662 Humboldt 4.4 miles southwest from Willow Creek, along US Highway 299 to Arcata. Common in shade on moist to wet seeps. 366 Comment
  UC183767  Luzula subsessilis Joseph P. Tracy 1914-5-14 4443 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  UC2982  Luzula subsessilis Harley P. Chandler May, 1901 1104 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  CAS-BOT-BC61934  Lycopodium clavatum Donald Branscomb 1959-9-1 s.n. Humboldt Trinidad Comment
  HSC97349  Lycopodium clavatum D. E. Anderson 1965-11-26 4176 Humboldt 2 mi. E. of Moonstone Beach Comment
  UCD135966  Lycopodium clavatum K. Niles 1950-10-1 s.n. Humboldt Loleta. Comment
  UCSC002911  Lycopodium clavatum W. Doyle 1975-4-30 s.n. Humboldt clear-cut forest area Comment
  HSC96513  Lysichiton americanus Gordon Leppig 1999-4-15 1114 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC34916  Lysichiton americanus W. C. Blasdale 1896-6-4 Humboldt Eureka Comment
  JEPS45971  Lythrum hyssopifolia W. L. Jepson 1902-8-4 2146 Humboldt near Petrolia ( Expedition from Ukiah to the Hupa Indian Reservation) Comment
  JEPS93178  Lythrum hyssopifolia Margriet Wetherwax and Kevin Downing 1993-8-9 2457 Humboldt just n of Eureka (on e side of Humboldt Bay, s side of Eureka Slough, near Bayside Road and Myrtle, just past Pigeon Point); Humboldt Bay, Eureka Slough 5 Comment
  SEINET11261198  Lythrum hyssopifolia Rick Lundquist 1979-5-18 100 Humboldt Arcata South Quadrangle. South G Street ca 1 mile south of Samoa Boulevard.; 0 0 Comment
  UC524124  Lythrum hyssopifolia Ira L. Wiggins 1932-7-19 5889 Humboldt about 8 mi n of Arcata (near Clam Beach) Comment
  HSC46957  Lythrum hyssopifolia J. P. Smith, Thomas W. Nelson 1977-6-30 9203 Humboldt Samoa Peninsula just E of the drag strip. Comment
  HSC101056  Lythrum salicaria Sydney Carothers 1997-8-19 207 Humboldt Hwy. 36, north end of dividerless road; private property 732 Comment
  CAS-BOT-BC344360  Madia exigua Henry M. Pollard 1948-7-21 s.n. Humboldt Near Orleans Comment
  HSC35783  Madia gracilis Thomas W. Nelson, B. Reinhardt 1975-7-30 2090 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  HSC97224  Madia gracilis Bryan Atkinson, Jenny Lynn Hutchinson 2007-6-11 5 Humboldt Near Grouse Mtn., 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1341 Comment
  JEPS19928  Madia gracilis Lincoln Constance 1934-5-29 711 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC495627 Image available Madia gracilis Joseph P. Tracy 1931-6-28 9588 Humboldt lower foothills of northwest slope of Buck Mountain Comment
  POM54277  Madia gracilis subsp. gracilis M. H. Manning 1902-06 s.n. Humboldt Hupa Comment
  RSA293191  Madia gracilis subsp. gracilis Thomas W. Nelson, James Nelson 1976-5-30 2615 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC95524  Madia sativa Andrea Pickart 2002-7-19 178 Humboldt Arcata Marsh at end of I St. 10 Comment
  HSC5990  Madia sativa W. D. Stevens 1967-7-22 63 Humboldt Above the dirt road from old Hwy. 101 to the top of N bank of Mad River Comment
  UCD20674  Mahonia nervosa A. T. Leiser 1980-7-9 s.n. Humboldt Humboldt County, Redwood National Park, Hwy 101 reroute. Comment
  HSC99058  Mahonia pinnata subsp. pinnata Cara Witte 2008-7-2 802 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  SEINET3992052  Maianthemum bifolium H. E. Parks 1932-5-1 Humboldt Bishop Pine Lodge Comment
  RSA376908  Maianthemum dilatatum Maude Minthorn s.n. Humboldt Ferndale Comment
  SBBG58753  Maianthemum dilatatum L. Rowntree -Jul-1931 Humboldt Carlotta Comment
  UC545825  Maianthemum dilatatum H. E. Parks May, 1932 4289 Humboldt Trinidad, Bishop Pine Lodge Comment
  HSC15597  Maianthemum dilatatum W. D. Stevens 1964-5-12 15 Humboldt E end of 14th St., Arcata Comment
  HSC59443  Maianthemum dilatatum Kenneth Clark 1979-4-21 133 Humboldt By junction of Little River Rd. and Central Ave., McKinleyville Comment
  HSC41355  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1974-8-2 507 Humboldt Horse Mtn. Comment
  HSC45619  Maianthemum racemosum subsp. amplexicaule Diane L. Reed 1978-4-22 36 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC101981  Maianthemum stellatum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 878 Humboldt Patterson Meadows 1566 Comment
  CAS-BOT-BC347412  Malacothrix floccifera Marcus E. Jones 1931-7-16 29095 Humboldt Junction, East of Arcata Comment
  UC479395  Malacothrix floccifera Marcus E. Jones, A. M. 1931-7-15 29095 Humboldt e of Arcata (junction) Comment
  CAS-BOT-BC347413  Malacothrix floccifera Doris K. Kildale 1926-8-8 2464 Humboldt Mouth of Bull Creek Comment
  UC992620  Malus Rogers McVaugh 1941-8-3 6215 Humboldt 1 1/4 mi S of H. Q.; Patrick's Point State Park Comment
  POM87681  Malus fusca L. R. Abrams 1922-6-25 8280 Humboldt Big Lagoon. South of Orick. Comment
  CHSC46890  Marah oregana R. A. Schlising 1963-6-4 2584 Humboldt South of Orick, along Hwy 101 at Big Lagoon. Comment
  HSC7034  Marah oregana D. B. Bader 1963-4-1 47 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  UC168942  Marah oregana Joseph P. Tracy 1911-8-27 3532 Humboldt Eureka Northern Coast Region 0 Comment
  UC203564  Marah oregana Joseph P. Tracy 1918-4-28 4887 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC1222345  Marah oregana Joseph P. Tracy 1951-5-20 19402 Humboldt Barry Ridge Kneeland Prairie 762 Comment
  HSC45610  Matricaria discoidea Diane L. Reed 1978-5-7 70 Humboldt E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299 Comment
  HSC79458  Medicago minima Kenneth Clark 1980-4-18 586 Humboldt On Coastal Bluffs above Dead Man's Gulch 137 Comment
  RSA249711  Medicago polymorpha Robert F. Thorne 35258 Humboldt N edge of Eureka, E of Hwy. 101. 5 Comment
  UC1145134  Melica aristata Joseph P. Tracy 1949-7-19 18374 Humboldt Friday Camp Grouse Mountain (Grouse Mountain) 1219 Comment
  UC1103760  Melica californica Joseph P. Tracy 1950-6-15 18780 Humboldt 5 mi n Harris; Mail Ridge 944 Comment
  HSC10347  Melica geyeri A. H. Murphy 1951-4-18 21 Humboldt Ft. Seward next to railroad right of way. 183 Comment
  UCD87340  Melica geyeri A. H. Murphy 1947-5-15 s.n. Humboldt Smith Ranch at Sherman Flat, ca. 3.5 miles north of Blocksburg. Comment
  SEINET200333 Image available Melica harfordii Joseph P. Tracy 1913-6-13 4116 Humboldt Bolander Rocky Mountain slopes; near summit of ridge between Van Duzen and Mad rivers on Dinsmore's Ranch. 1067 Comment
  CAS-BOT-BC262470  Melica subulata Joseph P. Tracy 1935-4-14 13778 Humboldt Miranda. Along South Fork of Eel River 121 Comment
  CAS-BOT-BC264164  Melica subulata Joseph P. Tracy 1933-7-26 12910 Humboldt Grouse Mountain 1524 Comment
  HSC38428  Melica subulata Dennis Anderson, J. P. Smith 1971-6-18 - 1055 Humboldt 1 mi. W of Lord Ellis Summit. Comment
  HSC71789  Melica subulata Gail Newton 1980-6-16 181 Humboldt Near Monks Camp. 1097 Comment
  RSA183513  Melica subulata D. E. Anderson 1965-5-8 3631 Humboldt 0.6 miles west of bridge over North Fork of Mad River, along highway 299. Comment
  UC184006  Melica subulata Joseph P. Tracy 1906-4-15 2407 Humboldt about 4 mi from Korbel; Northern Coast Ranges, Bald Mtn. 457 Comment
  HSC14998  Melilotus albus D. K. Smith 1968-2-2 5 Humboldt On the bank of Crannell Rd. past the bridge Comment
  HSC28183  Melilotus albus Richard Curtis 1973-9-28 27 Humboldt Along R.R. tracks near mouth of Nanning Cr., across Eel River from Rio Dell Comment
  UC162806  Melilotus indicus J. P. Tracy October 1904 2142 Humboldt Immediate vicinity of Eureka 0 Comment
  JEPS63289  Melissa officinalis W. L. Jepson 1936-8-6 17854 Humboldt Philipsville, S. Fork Eel R. S. Fork Eel R., Philipsville Comment
  CDA5714  Mentha pulegium D. G. Kelch 2007-7-25 7 .502 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  HSC63583  Mentha pulegium J. P. Smith 1971-10-9 5004 Humboldt Mad River above the Fish Hatchery. Comment
  UCSB29334  Mentha pulegium Hook, J. 1972-7-3 Humboldt On Hwy 101, E. side of road, 23.5 miles S. of Van Dusen River 45 Comment
  JEPS80899  Menziesia ferruginea B. A. Bohm, K. W. Nichols 1981-5-11 1571 B Humboldt Prairie Creek area, Mile 125.00, US Hwy 101 Prairie Creek area; , Mile 125.00, US Hwy 101 Comment
  UC129318  Micropus californicus var. californicus Harley P. Chandler June, 1901 1358 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  CAS-BOT-BC322682  Microseris laciniata K. L. Chambers 1969-5-26 2932 Humboldt Weitchpec, 0.8 mile west of Highway 96 on the way to the old school-house Comment
  CAS-BOT-BC322683  Microseris laciniata K. L. Chambers 1969-5-25 2921 Humboldt On road to Harris about 1 mile east of the freeway overpass at Garberville Comment
  JEPS13226  Microseris laciniata subsp. laciniata Joseph P. Tracy 1936-6-17 14942 Humboldt Bridgeville 198 Comment
  SEINET11810186  Microseris linearifolia J. P. Tracy 1947-1 17676 Humboldt near Briceland Comment
  HSC58707  Microseris nutans Griswold, Butler 1979-7-12 7149 Humboldt Near Groves Prairie, close to the town of Willow Creek 1256 Comment
  HSC102528  Microsteris gracilis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1515 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC70251  Microsteris gracilis M. A. Baker 1980-6-8 1917 Humboldt Near Buck Flat. 1554 Comment
  HSC70961  Microsteris gracilis Thomas W. Nelson 1977-6-15 3455 Humboldt Along FS Rd. 6N01 about 1 mi. S of junction with FS Rd. 5N10 1372 Comment
  POM193012  Microsteris gracilis subsp. gracilis H. E. Parks, Joseph P. Tracy 1930-5-25 0795 Humboldt Laribee Valley. 793 Comment
  UC1196833  Mimulus arvensis Joseph P. Tracy 1925-5-25 13897 Humboldt Dobbyn Creek 152 Comment
  UC582707  Mimulus arvensis Joseph P. Tracy 1936-5-2 7435 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC20644  Mimulus aurantiacus var. aurantiacus Francis Winter 1960-4-23 Humboldt 4 mi. S of Maple Creek 213 Comment
  JEPS87265  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1115 Humboldt just n Miranda (0.1 mi s of bridge over Bridge Creek along Hwy 254 (parallels Hwy 101)) 100 Comment
  POM267769  Mimulus aurantiacus var. aurantiacus Lyman Benson 1928-7-9 412 Humboldt Weott Ranger Station, Seaward N Coast mt. range, S Fork Eel River watershed 61 Comment
  HSC56036  Mimulus breweri Gilbert Muth 1979-7-31 11601 Humboldt Near Trinity Summit, close to the town of Hoopa 1720 Comment
  UC1196775  Mimulus cardinalis Joseph P. Tracy 1908-6 2928 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA43890  Mimulus cardinalis H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  UC147879  Mimulus dentatus J. P. Tracy 1900-5-30 833 Humboldt immediate vicinity Eureka 0 Comment
  HSC100670  Mimulus glutinosus Carl C. Marshall Apr 1886 56 Humboldt Hills near coast. Comment
  HSC76258  Mimulus guttatus Teresa Prendusi 1981-7-24 489 Humboldt Near Whiteys Peak 1585 Comment
  BLMAR680  Mimulus guttatus Jennifer Wheeler 2013-6-25 680 Humboldt King range, Lighthouse road, just before Mattole Beach 6 Comment
  UC582478  Mimulus inodorus Joseph P. Tracy 1937-8-12 15655 Humboldt Snow Camp 1402 Comment
  UC147880  Mimulus inodorus Joseph P. Tracy 1908-6 2697 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC104076  Mimulus layneae S. Carothers 2002-6-11 Humboldt Six Rivers National Forest; along Ruth Lake Rd., between Ruth and bridge crossing to Shannon Butte 841 Comment
  UC1196803  Mimulus layneae Joseph P. Tracy 1937-7-5 15373 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC582599  Mimulus layneae Joseph P. Tracy 1937-6-27 15382 Humboldt w of mouth South Fork of Trinity River; Friday Ridge 1219 Comment
  HSC82403  Mimulus moschatus Thomas W. Nelson 1979-7-11 5035 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  RSA447971  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3606 Humboldt Along road north from Alder Springs. 1524 Comment
  HSC74453  Mimulus nanus var. nanus Gail Newton 1980-8-10 1994 Humboldt Near Blake Mtn. 1798 Comment
  HSC72438  Mimulus pilosus J. P. Smith 1971-10-9 5010 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC55988  Mimulus primuloides var. primuloides Overton, Butler 1979-7-31 11403 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC82387  Mimulus primuloides var. primuloides Thomas W. Nelson 1979-7-11 5011 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC20828  Mimulus pulsiferae H. E. Parks, J. P. Tracy 1937-6-27 11087 Humboldt Grouse Mtn. 1433 Comment
  UC1103538  Minuartia californica Joseph P. Tracy 1922-5-29 6072 Humboldt South Yager Creek Northern Coast Ranges (head) 762 Comment
  CAS-BOT-BC388622  Minuartia douglasii Doris K. Kildale 1926-4-30 1919 Humboldt Fruitland - Hill Harris road Comment
  CAS-BOT-BC388623  Minuartia douglasii Doris K. Kildale 1926-5-9 1986 Humboldt Kneeland Prairie - summit 853 Comment
  HSC4087  Minuartia nuttallii subsp. gregaria D. E. Anderson 1965-6-1 3763 Humboldt Horse Mountain, W facing slope 1220 Comment
  CAS-BOT-BC48148  Mitella caulescens Volney Rattan 1903-1-1 36 Humboldt Long Prairie Comment
  UC902016  Mitella diversifolia Joseph P. Tracy and Harold E. Parks 1949-6-5 11654 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC433035  Mitella ovalis C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  UC1198865  Mitella ovalis Joseph P. Tracy 1913-4-13 4039 Humboldt on a branch of slough about 3 mi e Eureka; Northern Coast Region, Region about Humbolst Bay, Ryan's Slo 0 Comment
  UC8145  Moehringia macrophylla Mrs. Mary H. Manning Apr. 1899 Humboldt Hoopa Valley Comment
  BLMAR627  Moehringia macrophylla Jennifer Wheeler 2011-6-15 627 Humboldt Lacks Creek, Doug fir understory of Stormy Saddle 1158 Comment
  UC577361  Monardella odoratissima subsp. glauca Joseph P. Tracy 1933-7-26 12913 Humboldt Grouse Mountain North Coast Ranges 1630 Comment
  HSC45434  Monardella odoratissima subsp. odoratissima Thomas W. Nelson, Jane P. Nelson 1978-7-2 4398 Humboldt Along FS 2S08 near Pine Mountain 1463 Comment
  HSC73745  Monardella odoratissima subsp. pallida M. A. Baker 1980-7-19 2989 Humboldt Near Bret Hole. 1814 Comment
  JEPS63389  Monardella odoratissima subsp. pallida Joseph P. Tracy Jul 16 1930-Jul 19 1930 8911 Humboldt South Fork Mountain near Camp McKay. Northern Coast Ranges 1676 Comment
  UC577400  Monardella purpurea Joseph P. Tracy 1926-6-20 7657 Humboldt Horse Mountain 1310 Comment
  CAS-BOT-BC220518  Monardella villosa L. R. Abrams; R. C. Bacigalupi 1922-6-25 8221 Humboldt Camp 6 mi north of Garberville Comment
  RSA0022806  Monardella villosa Carl B. Wolf 1937-8-13 9223 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC416723  Monardella villosa subsp. villosa P. E. Goddard 1901-7 3 Humboldt Hupa Valley Comment
  UC577342  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15428 Humboldt Vicinity Garberville 121 Comment
  UCD125294  Monardella villosa var. tomentosa D. Wiesendanger; F. Randall 1926-7-1 1547 Humboldt Richardson Grove, Redwood Highway. Comment
  UC1409015  Monotropa hypopitys Robert F. Thorne and P. Everett 1965-8-5 35132 a Humboldt Wailaki Recreation Site 609 Comment
  UC21672  Monotropa hypopitys J. Burtt Davy 1899-6-24 5773 Humboldt Hoopa Valley Comment
  UC21673  Monotropa hypopitys Harley P. Chandler Jun 1901 1536 Humboldt Klamath River 426 Comment
  UC673007  Montia howellii Joseph P. Tracy 1933-6-7 12526 Humboldt Bridgeville 198 Comment
  CAS-BOT-BC445160  Montia parvifolia Henry M. Pollard 1947-8-9 s.n. Humboldt South river road, south of Orleans Comment
  HSC62915  Morella californica J. M. DiTomaso 1979-4-1 835 Humboldt 3 mi. S of Arcata on Samoa Rd. Comment
  HSC10393  Muhlenbergia filiformis J. P. Tracy 1930-7-16 8920 Humboldt Near McKay Camp. 1677 Comment
  UC526747  Muhlenbergia filiformis Joseph P. Tracy 1932-7-14 10544 Humboldt wet meadow at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  SEINET12275673  Myosotis discolor J. P. Tracy 1942-1 17354 Humboldt 1 mi NE of Garberville, on road to Harris 305 Comment
  HSC37855  Myosotis micrantha Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay Comment
  JEPS30071  Myrica californica Joseph P. Tracy 1930-5-18 8698 Humboldt Rohnerville Golf Course Northern Coast Ranges, Rohnerville Golf Course 152 Comment
  RSA174002  Myrica californica Robert F. Thorne 1957-9-2 19009 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  RSA46887  Myrica californica Doris K. Kildale 1926-6-18 2393 Humboldt Gold Bluffs. Comment
  UC1197940  Myrica californica Joseph P. Tracy 1931-3-26 9291 Humboldt along Van Duzen R. Alton; North Coast Ranges, , Van Duzen R. 30 Comment
  UC275529  Myrica californica Joseph P. Tracy 1924-1-20 6596 Humboldt near Samoa (around Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  SEINET200785 Image available Myriophyllum aquaticum J. P. Tracy 1933-7-20 12810 Humboldt Along Mad River; near Blue Lake. 15 Comment
  UC1196931  Myriophyllum sibiricum Joseph P. Tracy 1913-9-9 4407 Humboldt In pond in sand dunes near mouth of Little River. 3 Comment
  JEPS79940  Navarretia Joseph P. Tracy 1937-7-19 15464 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  HSC102140  Navarretia capillaris M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1044 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC56058  Navarretia divaricata G. L. Clifton, Griswold 1979-7-31 11693 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC908377  Navarretia divaricata Joseph P. Tracy 1932-7-17 10681 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  UC908387  Navarretia divaricata Joseph P. Tracy 1930-7-23 9119 Humboldt Horse Mountain Northern Coast Ranges 1432 Comment
  HSC44287  Navarretia divaricata J. P. Smith, Steve Selva 1970-6-30 4098 Humboldt Comment
  RSA43882  Navarretia intertexta H. M. Pollard 1948-7-18 s.n. Humboldt Near Orleans. Comment
  UC1008728  Navarretia intertexta Henry M. Pollard 1945-8-26 Humboldt n of Orleans (road to old mine); Klamath River Canyon Comment
  JEPS70393  Navarretia leucocephala subsp. minima W. L. Jepson 1927-7-3 12366 Humboldt Miranda station South Fork Eel River 228 Comment
  UC1222718  Navarretia tagetina Joseph P. Tracy 1950-6-23 18862 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC906680  Navarretia tagetina Joseph P. Tracy 1942-7-18 17289 Humboldt Garberville 152 Comment
  SEINET10840156  Nemacladus capillaris Tracy 1930-7-10 TRACY 8865 Humboldt Brannan Mountain 1219 Comment
  UC1103811  Nemophila menziesii var. atomaria Joseph P. Tracy 1922-5-29 6065 Humboldt South Yager Creek Valley Northern Coast Ranges, South Yager Creek Valley 762 Comment
  CAS-BOT-BC219404  Nemophila parviflora Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC10922  Nemophila parviflora Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  CAS-BOT-BC219408  Nemophila parviflora Alice Eastwood 1943-6-10 18979 Humboldt Landsdale Grove, Redwood Highway Comment
  JEPS12382  Nicotiana quadrivalvis Lincoln Constance 1934-6-18 896 Humboldt border North Dyerville Flat (near South Fork Railroad Station and P.O.); South Fork Eel River, Bull Creek Region Comment
  HSC41308  Notholithocarpus densiflorus Brad Klipfel 1974-7-23 471 Humboldt Horse Mountain Comment
  JEPS11312  Nuttallanthus texanus Joseph P. Tracy 1918-5-5 4921 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC142299  Oemleria cerasiformis C. Hart Merriam 1921-7-8 s.n. Humboldt Fortuna Comment
  UC1198786  Oemleria cerasiformis Joseph P. Tracy 1926-2-28 7374 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges 182 Comment
  UC1400343  Oenanthe sarmentosa Robert F. Thorne and P. Everett 1965-8-7 35212 Humboldt Samoa Peninsula Comment
  RSA46821  Oenanthe sarmentosa Doris K. Kildale 1925-7-28 1094 Humboldt [Unspecified] Comment
Read comments
Mar 22 2014
  UC642344  Oenanthe sarmentosa Joseph P. Tracy 1938-8-20 16123 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  CHSC70160  Oenothera wolfii David K. Imper 1991-9-4 Humboldt Grown in Eureka garden. Parents collected at junc. Hwy 299 and Big Hill Rd, Hoopa Square 91 Comment
  HSC102042  Oreostemma alpigenum var. andersonii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 945 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC249847  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1924-7-4 6708 Humboldt Snow Camp Northern Coast Ranges 1371 Comment
  HSC102065  Orthocarpus imbricatus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 967 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC56000  Orthocarpus imbricatus Walter Overton, Marvin Butler 1979-7-31 11445 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC1245385  Orthocarpus imbricatus Joseph T. Gregory 1935-7-23 701 Humboldt open places at Corral Prairie (Trinity Summit); , open places at Corral Prairie 1584 Comment
  HSC100700  Orthocarpus purpurascens Carl C. Marshall May 1886 209 Humboldt Salt marshes, Humboldt Bay. Comment
  HSC56262  Osmorhiza berteroi G. L. Clifton, Terry Griswold 1979-8-2 12419 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC642235  Osmorhiza berteroi Joseph P. Tracy 1930-7-17 9018 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC100688  Osmorhiza nuda Carl C. Marshall May 1886 193 Humboldt Waste grounds. Comment
  HSC48813  Osmorhiza occidentalis Brad Klipfel 1973-7-31 227 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55852  Osmorhiza occidentalis G. L. Clifton, Terry Griswold 1979-7-25 10822 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1197131  Osmorhiza occidentalis Joseph P. Tracy 1947-7-9 17830 Humboldt Arford Cabin (Ski Lodge) Horse Mountain (lower slopes of mt.) Comment
  JEPS43130  Oxalis corniculata Joseph P. Tracy 1918-11-17 5119 Humboldt Elk River Corners Northern Coast Ranges, Eureka 0 Comment
  HSC47502  Oxalis oregana Sheila Logan 1978-4-10 28 Humboldt McKinleyville, foot of Hiller Ave. at Ocean Rd., near Pacific ocean and Mad River 46 Comment
  HSC70969  Oxalis oregana R. York 1980-5-17 545 Humboldt Near Le Perron Creek. 415 Comment
  POM87947  Oxalis rubra L. R. Abrams 1922-6-25 8263 Humboldt Between Trinidad and Big Lagoon Comment
  SEINET3347161 Image available Oxalis trilliifolia Joseph P. Tracy 1923-6-24 6362 Humboldt Bald Mountain, near High Prairie 1067 Comment
  CAS-BOT-BC318155  Packera bolanderi var. bolanderi LeRoy Abrams 1916-7-11 6009 Humboldt Mouth of Grizzly Creek on Van Duzon River Comment
  RSA246893  Parapholis incurva R. F. Thorne, P. Everett 1965-8-8 35274 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  HSC30825  Parapholis strigosa J. P. Smith, Dennis Anderson 1971-6-14 - 1051 Humboldt At foot of G St., Arcata. Comment
  HSC82967  Parapholis strigosa A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  UCR275120  Parentucellia viscosa Charity A. Hartshorn 2016-4-24 22 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC95379  Parentucellia viscosa Andrea Pickart 2002-8-7 195 Humboldt Arcata Bottoms, along Lanphere Rd. 20 Comment
  HSC37501  Paspalum dilatatum A. M. Montalvo, J. D. Ackerman 1975-8-9 629 Humboldt Arcata, Hwy. 101 and Guintoli Lane. Comment
  RSA10097  Paspalum distichum Joseph P. Tracy, H. E. Parks 1924-8-3 6779 Humboldt Big Lagoon 6 Comment
  HSC41014  Paxistima myrsinites J. P. Smith, J. O. Sawyer 1976-5-2 8636 Humboldt 8 mi. W of Loop Rd. on Hoopa Reservation along Redwood Creek-Hoopa Rd. Comment
  HSC20924  Pedicularis densiflora D. E. Anderson 1962-5-1 2202 Humboldt 1 mi. W of Hoopa Comment
  UC1713517  Pedicularis densiflora W. W. Price 1890-7-6 Humboldt Mad River Comment
  HSC76045  Pedicularis racemosa Walter Overton, Marvin Butler 1979-8-2 12563 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  UC582554  Pedicularis racemosa Joseph P. Tracy 1930-7-16 8917 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  RSA54127  Pellaea brachyptera Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mountain 1524 Comment
  UC1242078  Pellaea mucronata var. mucronata Donald Branscomb April, 1959 Humboldt Bear Butte 868 Comment
  HSC56009  Penstemon anguineus Gilbert Muth 1979-7-31 11491 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  UC1198048  Penstemon anguineus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  UC577405  Penstemon anguineus Joseph P. Tracy 1936-8-8 15130 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit, e of Grove's Prairie 1524 Comment
  HSC70977  Penstemon deustus Gail Newton 1980-7-22 1678 Humboldt Near Devils Backbone 1554 Comment
  UC169083  Penstemon deustus Harley P. Chandler June, 1901 1459 Humboldt Bluff Creek North Coast Ranges, , Bluff Creek (Klamath River) 426 Comment
  NY601767  Penstemon heterophyllus var. purdyi L. Constance 1934-5-26 676 Humboldt South Fork of Eel River, south end of Dyerville Bridge 45.7 Comment
  HSC41280  Penstemon laetus subsp. sagittatus Brad Klipfel 1974-6-25 441 Humboldt Horse Mtn., along ridge running to the E of Horse Mtn. proper Comment
  JEPS11632  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 B Humboldt on ridge 2 mi e Grove's Prairie (Trinity Summit); , e of Grove's Prairie 1524 Comment
  HSC63245  Penstemon newberryi var. berryi M. A. Baker 1979-6-28 948 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  HSC99527  Penstemon newberryi var. berryi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 191 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  HSC35780  Penstemon purpusii Thomas W. Nelson, B. Reinhardt 1975-7-30 2093 Humboldt Along Whiting Ridge Comment
  HSC36644  Pentagramma triangularis J. D. Ackerman 1974-5-25 262 Humboldt Trinidad, South Trinidad Beach, S of Trinidad Head. Comment
  HSC1097  Pentagramma triangularis J. R. Kahl 1962-5-4 21 Humboldt 2 mi. S of Trinidad along old Hwy. 101 30 Comment
  RSA0094697  Pentagramma triangularis A. Davidson 1923-8-11 17064 Humboldt Near Scotia. Comment
  JEPS60093  Pentagramma triangularis subsp. triangularis Lincoln Constance 1934-5-24 630 Humboldt Bull Creek region; S Fork Eel River Comment
  LA37541  Perideridia gairdneri subsp. borealis Joseph P.; 1948-9-26 18235 Humboldt Fickle Hill, Boynton Prairie, 6 mi. SE of Arcata, at edge prairie 609 Comment
  UC906670  Perideridia howellii Joseph P. Tracy 1949-8-27 18503 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mt. 609 Comment
  HSC98753  Perideridia oregana Cara Witte 2007-7-27 601 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1560 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
  CAS-BOT-BC413712  Persicaria hydropiper Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC413713  Persicaria hydropiper Malcom A. Nobs; S. Galen Smith 1949-8-11 1336 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  CAS-BOT-BC419192  Persicaria maculosa L. R. Abrams 1918-6-16 7193 Humboldt Willow Creek Comment
  CAS-BOT-BC419193  Persicaria maculosa Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  HSC17527  Persicaria maculosa Lincoln Constance 1934-6-12 861 Humboldt N bank of S Fork Eel River, Bull Creek Rd. Comment
  CAS-BOT-BC330380  Petasites frigidus var. palmatus M. S. Jussel 1931-5-2 s.n. Humboldt 20 miles N of Garberville Comment
  CHSC118462  Petasites frigidus var. palmatus Richard R. Halse 2016-3-24 9684 Humboldt Along U.S. Hwy. 101 ca. 9.6 miles south of Orick. 8 Comment
  UCR179280  Petasites frigidus var. palmatus R. G. Swinney 1968-3-28 236 Humboldt East of Humboldt State College, Arcata 152 Comment
  OBI77760  Phacelia bolanderi Rimo Bacigalupi, G. T. Robbins 1954-6-28 4657 Humboldt Trinity River, 2 mi N of Hoopa, Hoopa Valley Indian reservation 91 Comment
  HSC102541  Phacelia hastata subsp. hastata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1527 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC57184  Phacelia mutabilis Griswold, Butler 1979-7-10 6383 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC203960  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1918-7-1 4983 Humboldt 3 mi s point of the cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  UCD88167  Phalaris aquatica J. W. Logan 1926-6-2 s.n. Humboldt Ferndale. Rusk Ranch. Plot near house. Comment
  POM259083  Phalaris aquatica J. T. Howell 1937-7-31 13721 Humboldt 4 miles north of Loleta Comment
  UC922010  Phalaris californica Joseph P. Tracy 1938-6-7 15861 Humboldt n side of Mad River 1/2 mi e bridge on Arcata-Blue Lake highway; n side of Mad River 30 Comment
  UCSC000088  Phalaris californica H. L. Person 1932-5-11 s.n. Humboldt near Arcata - Eureka 15 Comment
  UC526668  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek 762 Comment
  HSC102017  Phlox adsurgens M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 918 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC1347189  Phlox adsurgens Alice Eastwood and John Thomas Howell 1937-6-24 4869 Humboldt 5 mi e Berry; Summit Comment
  HSC38394  Phlox adsurgens J. D. Ackerman 1975-6-18 473 Humboldt Big Hill Rd. E of Hoopa and 10.9 mi. E of Hwy. 96 Comment
  HSC55604  Phlox diffusa Overton, Butler 1979-7-23 9428 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC906692  Phlox gracilis Joseph P. Tracy 1942-6-23 17403 Humboldt near Box Camp; Trinity Summit 1524 Comment
  JEPS26749  Phoradendron villosum W. L. Jepson 1932-7-24 16545 Humboldt ca. 6 1/2 mi. above & e. Garberville (from near rd. along summit of Mail Ridge) 914 Comment
  RSA609411  Phoradendron villosum Louis C. Wheeler 1958-8-7 7370 Humboldt Fort Baker Manganese Mine. Comment
  HSC36086  Phyllospadix scouleri McCready 1959-11-8 Humboldt Near Trinidad Head Comment
  UCD138391  Phyllospadix torreyi Joseph P. Tracy 1938-9-9 16146 Humboldt Trinidad. 3 Comment
  CAS-BOT-BC140587  Physocarpus capitatus Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC78145  Picea breweriana Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC1478  Pinus contorta L. H. Myers 1963-5-13 21 Humboldt Dunes W of Lanpheres Rd., Mad River Slough area. Comment
  NY49723  Pinus contorta var. contorta H. E. Parks 05 1931 s.n. Humboldt Samoa, Pine Barrens Comment
  HSC54523  Pinus jeffreyi Overton, Butler 1979-7-23 9455 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  HSC54535  Pinus jeffreyi Overton, Butler 1979-7-23 9485 Humboldt Near Horse Mtn. Creek 1326 Comment
  HSC54525  Pinus monticola Overton, Butler 1979-7-23 9459 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  CAS-BOT-BC71823  Pityrogramma Kenneth Clark 1980-6-14 693 Humboldt North fork Dead Man's Gulch, Point Delgada quad. 91 Comment
  CAS-BOT-BC169838  Plagiobothrys Volney Rattan 1882-6-1 s.n. Humboldt unspecified Comment
  HSC100407  Plagiobothrys nothofulvus Carl C. Marshall Apr 1887 371 Humboldt Hoopa Valley. Comment
  JEPS60988  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1932-5-10 9962 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 30 Comment
  JEPS60999  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1936-6-28 15009 Humboldt near Murphy Meadows; Bald Mt. 914 Comment
  JEPS61045  Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1942-5-16 17337 Humboldt Garberville 152 Comment
  HSC16844  Plantago lanceolata R. I. Bonn 1965-5-9 38 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  UC179952  Plantago lanceolata Joseph P. Tracy 1914-5-30 4484 Humboldt near Hydesville; Northern Coast Region 60 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
  BLMAR322  Plantago subnuda Jennifer Wheeler 2002-8-9 322 Humboldt Lost Coast Headland, Brackish creek edge of south side Guthrie creek 3 Comment
  HSC48856  Platanthera dilatata var. leucostachys Brad Klipfel 1973-7-15 215 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC97555  Platanthera dilatata var. leucostachys Cara Witte 2007-6-1 174 Humboldt Along Forest Service 5N10. 1.5 miles east of intersection with National Forest 1. 1365 Comment
  HSC54529  Platanthera sparsiflora Overton, Butler 1979-7-23 9471 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  CAS-BOT-BC91631  Platystemon californicus Alice Eastwood s.n. Humboldt Samoa. Comment
  HSC104447  Platystemon californicus Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 23 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC16795  Platystemon californicus R. J. Vernimen 1963-5-11 53 Humboldt 1/2 mi. off the Samoa Rd., behind the Georgia Pacific dump, 7 1/2 mi. SW of Arcata Comment
  HSC16799  Platystemon californicus P. N. Slattery 1963-4-27 42 Humboldt Clam Beach Comment
  UC169079  Plectritis brachystemon Harley P. Chandler 1901-6-6 1414 Humboldt North Coast Ranges, Klamath River, Saint's Rest, (Nature's Rest) Nature's Rest; North Coast Ranges, Klamath River, Saint's Rest 304 Comment
  SEINET6995402  Plectritis ciliosa Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC21686  Plectritis congesta subsp. congesta J. R. Good 1964-5-3 37 Humboldt 0.10 mi. N of Fairhaven, 60 yds. W of road. Comment
  CAS-BOT-BC458163  Pleuricospora fimbriolata Doris K. Kildale 1927-7-10 3744 Humboldt Gans Prairie Woods - Bald Hills Road Comment
  HSC57304  Pleuropogon refractus G. L. Clifton 1979-7-31 11859 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1103801  Pleuropogon refractus Joseph P. Tracy 1911-6-4 3234 Humboldt along Little River, 5 mi from the coast Little River; Northern Coast Region, Little River 121 Comment
  HSC10618  Poa annua R. H. Berg 1963-3-1 5 Humboldt Arcata, Fickle Hill area. Comment
  HSC10620  Poa annua R. D. Zortman 1963-3-15 46 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  HSC10623  Poa annua Gene S. Van Horn 1962-5-2 10 Humboldt Near main house at 250 East 17th St., Arcata. 61 Comment
  HSC10625  Poa annua P. N. Slattery 1963-4-4 28 Humboldt Clam Beach. Comment
  UCD90242  Poa annua Linda M. Barker 1976-4-30 1399 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC10642  Poa bolanderi C. S. Chavez 1965-5-7 67 Humboldt Redwood forest behind H.S.C. campus. Comment
  HSC40309  Poa bolanderi Thomas W. Nelson, Jane P. Nelson 1976-6-22 2846 Humboldt Along Rd. to Goat Hill. 1646 Comment
  POM126516  Poa confinis Joseph P. Tracy 1922-5-28 6056 Humboldt Little River Beach 6 Comment
  UC525624  Poa confinis H. E. Parks and Joseph P. Tracy 1927-4-24 7947 Humboldt Eureka; North Coast Ranges 9 Comment
  HSC10704  Poa douglasii R. H. Berg 1963-5-8 67 Humboldt On sand dunes near Lanphere's, Arcata. Comment
  UC573883  Poa douglasii H. S. Yates 1936-6-16 5650 Humboldt 1/2 mi sw Samoa; Eureka Quadrangle 6 Comment
  UCD91135  Poa howellii A. H. Murphy 1950-5-10 s.n. Humboldt E. M. Cottrell Ranch, on Roth Road. Comment
  HSC77908  Poa macrantha L. P. Janeway, Paul Wilson 1984-5-7 766 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  LA12558  Poa macrantha S. K. Harris; 1936-6-15 3383 Humboldt Trinidad Head Comment
  HSC98173  Poa pratensis R. D. Modafferi 1965-5-13 77 Humboldt 2.2 mi. N of Trinidad on Trinity St. 305 Comment
  POM303612  Poa secunda J. T. Howell 1944-7-14 19780 Humboldt Plaskett Meadows. Comment
Read comments
Jun 12 2012
  UC249504  Poa secunda subsp. secunda Joseph P. Tracy 1922-4-30 6011 Humboldt near Willow Creek Trinity River Valley; Northern Coast Ranges 152 Comment
  UC153997  Pogogyne serpylloides Joseph P. Tracy 1908-6-7 2622 Humboldt at Butter Valley on Mad River 152 Comment
  UC1988935  Pogogyne zizyphoroides Joseph P. Tracy 1938-7-5 16005 Humboldt Carlotta 5 miles east of town, open flat by old Strong's District School House 45 Comment
  UC1116249  Pogogyne zizyphoroides Joseph P. Tracy 1946-5-30 17544 Humboldt Carlotta, open flat by old Strong's District School House 5 miles east of town 60 Comment
  CAS-BOT-BC232886  Polemonium carneum Carl B. Wolf 1937-6-17 8881 Humboldt Big Lagoon, S side at W of Redwood Highway 6 Comment
  UC1191118  Polemonium carneum Joseph P. Tracy 1928-5-20 8440 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  CDA36977  Polycarpon tetraphyllum R. Robison Humboldt Humboldt Lagoons State Park, south of Stone Lagoon day use parking area. 0 Comment
  HSC94145  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A St. in Arcata 49 Comment
  HSC54520  Polygala cornuta Overton, Butler 1979-7-23 9448 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  JEPS27112  Polygala cornuta var. cornuta Joseph P. Tracy 1936-8-30 15182 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC184021  Polygonum bistortoides Joseph P. Tracy 1913-6-17 4151 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (nw slope of mt.) 1066 Comment
  UC205473  Polygonum minimum Joseph P. Tracy 1919-9-18 5235 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  RSA178533  Polygonum minimum Joseph P. Tracy 1950-8-8 19281 Humboldt On trail betw Box Camp and Croghon Hole. 1677 Comment
  CHSC32964  Polygonum paronychia J. P. Smith; Advanced Taxonomy Class 1971-10-6 4957 Humboldt Dunes at the end of Murray Road in McKinleyville. Comment
  POM319269  Polygonum paronychia Patricia Wilder 1968-8-21 4416 b Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  UC672978  Polygonum phytolaccifolium Joseph P. Tracy 1936-7-7 16035 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC419854  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1937-6-23 4812 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC419955  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt South Fork Mountain. Near McKay Camp. 1676 Comment
  JEPS51274  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  RSA46835  Polygonum polystachyum Doris K. Kildale 1925-9-26 s.n. Humboldt Vacant lots - Eureka Comment
  HSC17537  Polygonum spergulariiforme Larry Berti 1968-10-20 Humboldt Along the Van Duzen River Comment
  RSA13553  Polygonum spergulariiforme H. E. Parks, Joseph P. Tracy 1930-9-15 767 Humboldt Bald Hills Comment
  SEINET3404067 Image available Polygonum spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain, Jeffrey Pine Comment
  UCD100684  Polygonum spergulariiforme J. M. Tucker 1948-9-3 1855 Humboldt Ridge between Horse and Grouse Mountains. Comment
  HSC103989  Polypodium calirhiza M. F. Norman 2015-4-11 21 Humboldt Arcata, Ma-le'l Dunes Comment
  CAS-BOT-BC76844  Polypodium glycyrrhiza Donald Branscomb 1959-2-1 s.n. Humboldt Trinidad Comment
  UC275412  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  UC71485  Polypodium glycyrrhiza Mrs. M. H. Manning 1901-1 Humboldt Hupa Valley Comment
  CAS-BOT-BC72083  Polypodium scouleri Ira L. Wiggins 1957-6-20 14133 Humboldt East side of highway, Trinidad Comment
  HSC26462  Polypodium scouleri T. O. Osborne 1970-4-8 16 Humboldt Sugarloaf Rock, Cape Mendocino 61 Comment
  CAS-BOT-BC232958  Polypogon australis Mrs. H. C. Cantelow 1961-5-29 s.n. Humboldt 5.7 km Eel River, Hartsook Comment
  HSC79377  Polypogon interruptus Kenneth Clark 1980-5-10 645 Humboldt Shelter Cove, bluffs of Point Delgada. 5 Comment
  RSA10062  Polypogon interruptus Joseph P. Tracy 1930-6-29 8819 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  CAS-BOT-BC233214  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek 152 Comment
  CHSC10130  Polypogon monspeliensis Jerry Parker 1968-11-22 241 .1 Humboldt Mckinleyville beach, floor of vernal pond. Comment
  HSC79387  Polypogon monspeliensis Kenneth Clark 1979-7-1 459 Humboldt Shelter Cove. One beach at base of cliffs; first reef of Point Delgada headlands. 5 Comment
  JEPS72929  Polypogon monspeliensis Lincoln Constance 1934-5-26 672 Humboldt sand and gravel bar of South Fork of Eel River s end Dyerville Bridge (Bull Creek Region); South Fork Eel River, Bull Creek Region 45 Comment
  SEINET11681498  Polypogon monspeliensis H. P. Chandler 1901-1 1431 Humboldt Klamath River, North Coast Ranges 335 Comment
  UC906748  Polystichum imbricans subsp. imbricans Joseph P. Tracy 1947-7-9 17842 Humboldt Horse Mt. 1432 Comment
  HSC70930  Polystichum munitum R. York 1980-5-18 559 Humboldt Near Black Mtn. 1006 Comment
  HSC89413  Polystichum munitum P. A. Daly 1986-3-12 73 Humboldt Trinidad Head, along trail 61 Comment
  UC922660  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-3 5574 Humboldt above Trinity River Rd Hoopa Reservation Comment
  CAS-BOT-BC102906  Populus trichocarpa H. E. McMinn 1922-8-5 351 Humboldt Along the Van Dusen River Comment
  JEPS42953  Potamogeton richardsonii E. G. Pluke 1926-8-1 Humboldt w of Dow's Prairie (at mouth of Widow White Creek); Widow White Creek 3 Comment
  CAS-BOT-BC143080  Potentilla anserina subsp. pacifica Doris K. Kildale 1926-6-25 2178 Humboldt Big Lagoon Comment
  UC492176  Potentilla drummondii Joseph P. Tracy 1932-7-10 10391 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  HSC57029  Prosartes hookeri Overton, Butler 1979-7-24 9653 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70643  Prosartes hookeri R. York 1980-5-18 561 Humboldt Near Black Mtn. 1006 Comment
  HSC15468  Prosartes smithii W. Jan Rowe 1966-5-11 42 Humboldt 100 ft. E of HSC campus, Arcata 46 Comment
  HSC89468  Prunella vulgaris subsp. lanceolata P. A. Daly 1986-3-12 100 Humboldt Trinidad Head, along trail 61 Comment
  CAS-BOT-BC159984  Prunus emarginata Doris Kildale Gillespie 1931-6-7 10593 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC159988  Prunus emarginata Harley P. Chandler 1901-6-1 1273 Humboldt Hupa Indian Reservation 1066 Comment
  HSC48746  Prunus emarginata Brad Klipfel 1973-6-10 83 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC48828  Prunus emarginata Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 42 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  CAS-BOT-BC357447  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Northern Coast Ranges. Carlotta 60 Comment
  CAS-BOT-BC357599  Pseudognaphalium stramineum Kenneth Clark 1979-6-30 455 Humboldt Shelter Cove. Dead Man's Gulch 9 Comment
  CAS-BOT-BC357601  Pseudognaphalium stramineum John Thomas Howell 1936-8-29 12886 Humboldt Eel River 16 miles n. of Garberville Comment
  UC165750  Pseudognaphalium stramineum Joseph P. Tracy 1909-9-19 3089 Humboldt sand dunes of ocean beach at Humboldt Bay Humboldt Bay Comment
  UC1222889  Pseudognaphalium thermale Joseph P. Tracy 1950-9-22 19376 Humboldt below 8 mi Orleans (near Slate Creek); Klamath River 121 Comment
  HSC41283  Pseudotsuga menziesii var. menziesii Brad Klipfel 1974-7-23 473 Humboldt Horse Mountain, NW from the towers Comment
  HSC54561  Pseudotsuga menziesii var. menziesii Overton, Butler 1979-7-24 9576 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  HSC70640  Pseudotsuga menziesii var. menziesii R. York 1980-5-18 593 Humboldt Near Black Mtn. 792 Comment
  UC1134184  Pseudotsuga menziesii var. menziesii G. T. Nordstrom 1937-7-1 1423 Humboldt 3 mi e of Orick; Orick Quadrangle 213 Comment
  UC1223168  Psilocarphus tenellus Joseph P. Tracy 1949-6-20 18320 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC169085  Psilocarphus tenellus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3592 Humboldt near Hydesville; Northern Coast Region 30 Comment
  HSC54542  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-23 9526 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  HSC41289  Pteridium aquilinum var. pubescens Brad Klipfel 1974-7-27 483 Humboldt Horse Mtn. in draw to the N of the towers Comment
  SEINET3874358 Image available Pteridium aquilinum var. pubescens J. D. Ackerman 1975-9-15 744 Humboldt Above HSU, Arcata.; 0 Comment
  OBI22190  Puccinellia nutkaensis Joseph P. Tracy 1950-6-17 18834 Humboldt Eureka Comment
  SJSU909  Pyrola asarifolia J. W. Tilden 1946-6-21 1013 Humboldt Bluff Cr c. 1.5 mi above Klamath R Comment
  HSC45424  Pyrola crypta Thomas W. Nelson, Jane Nelson 1977-7-1 3568 Humboldt Along N side of ridge between Bear and Blanket Creeks. 1494 Comment
  HSC41292  Pyrola dentata Brad Klipfel 1974-7-27 491 Humboldt Horse Mtn. Comment
  HSC74286  Pyrola dentata M. A. Baker 1980-7-11 2780 Humboldt Near Red Mtn. 1341 Comment
  RSA0080452  Pyrola picta Lyman Benson 1928-7-10 400 Humboldt Woott Ranger Station. 1067 Comment
  HSC41267  Quercus chrysolepis Brad Klipfel 1974-7-23 461 Humboldt Horse Mtn. Comment
  UC1196528  Quercus chrysolepis Joseph P. Tracy 1926-6-6 7570 Humboldt on road w from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC54680  Quercus chrysolepis P. E. Goddard 1901-7-13 58 Humboldt Hupa Comment
  HSC102516  Quercus garryana var. breweri M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1502 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC55093  Quercus garryana var. breweri G. L. Clifton, Griswold 1979-7-31 11796 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UCD46112  Quercus garryana var. garryana Joseph P. Tracy 1924-10-12 6915 1/2 Humboldt Trinity River Valley, near the South Fork. 182 Comment
  SEINET10477993  Quercus garryana var. garryana Jones 1985-6-6 Jones 111 Humboldt T34n,r4e,sec.14. Titlow rd. Ca 8 miles s off hwy. Pinus, arbutus, quercus Chrysolepis, quercus vaccinifolia habitat 1128 Comment
  HSC8266  Quercus kelloggii Doris K. Kildale 1926-9-9 2682 Humboldt Low Gap of Mad River at Black Oaks 747 Comment
  HSC99009  Quercus kelloggii Cara Witte 2008-7-1 785 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  CAS-BOT-BC104331  Quercus sadleriana Clarence R. Quick 1960-6-27 60 -23 Humboldt Bear Gulch on road from Delta to Trinity Center Comment
  HSC102574  Quercus vacciniifolia M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1561 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC99036  Quercus vacciniifolia Cara Witte 2008-9-27 1047 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. At end of the road. 1407 Comment
  UC1196506  Quercus wislizeni Joseph P. Tracy 1923-10-14 6577 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  CAS-BOT-BC379173  Ranunculus aquatilis var. aquatilis Joseph P. Tracy 1937-5-30 15311 Humboldt Larrabee Creek; in shallow pond near Bosworth's 366 Comment
  UC668067  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1935-5-25 13882 Humboldt Dobbyn Creek; bed of dried-up pond 152 Comment
  JEPS5885  Ranunculus bulbosus Joseph P. Tracy 1938-7-15 16080 Humboldt near Grizzly Bluff; Eel River Valley 15 Comment
  UC162833  Ranunculus californicus J. P. Tracy 1910-5-8 3132 Humboldt Eureka 0 Comment
  HSC45060  Ranunculus californicus var. californicus R. Sutherland 1978-4-24 10 .24478 Humboldt Gravel slide of road cut 323 Comment
  JEPS5880  Ranunculus flammula Joseph P. Tracy 1937-5-30 15312 Humboldt near Bosworth's; Larrabee Creek 365 Comment
  SEINET12100450  Ranunculus hebecarpus Unknown 1936-1 13280 Humboldt in redwood forests near Trinidad Comment
  HSC18151  Ranunculus muricatus J. R. Good 1964-5-13 47 Humboldt End of Lanphere Rd. Comment
  HSC18155  Ranunculus muricatus S. J. Roberts 1965-4-25 32 Humboldt 0.25 mi. E of Lanphere's bridge across old Mad River channel Comment
  HSC26676  Ranunculus muricatus Thomas W. Nelson 1971-5-7 430 Humboldt Dunes at Lamphere property Comment
  BLMAR637  Ranunculus occidentalis Jennifer Anthony-Wheeler 2011-6-21 637 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  HSC96199  Ranunculus occidentalis Andrew Byers, Stuart E. Richardson III 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1205 Comment
  UC162863  Ranunculus occidentalis Joseph P. Tracy 1908-6 2689 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC162861  Ranunculus occidentalis Joseph P. Tracy 1903-5-24 1908 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  HSC39588  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1976-6-22 2807 Humboldt Around Senteney Rock 1524 Comment
  SEINET6908794  Ranunculus occidentalis var. occidentalis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC75828  Ranunculus orthorhynchus var. bloomeri Bill Copeland 1980-7-2 312 Humboldt Near Snow Camp Mtn. 1311 Comment
  UC162869  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1907-6-25 2574 Humboldt Elk River Valley Northern Coast Region, region about Humboldt Bay (along ditch) 0 Comment
  UC1103009  Ranunculus pusillus Joseph P. Tracy 1948-6-13 18035 Humboldt halfway between Bridgeville and Blocksburg (pond on creek); Larrabee Creek 457 Comment
  HSC18203  Ranunculus repens var. repens Richard Steele 1962-5-1 20 Humboldt Arcata, 0.5 mi. W of HSC campus 15 Comment
  HSC101992  Ranunculus uncinatus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 891 Humboldt Patterson Meadows 1566 Comment
  HSC55698  Ranunculus uncinatus Overton, Butler 1979-7-26 10022 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  HSC64220  Ranunculus uncinatus J. O. Sawyer, M. A. Ericksen 1979-6-23 3381 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC39396  Ranunculus uncinatus var. parviflorus D. E. Anderson, J. P. Smith 1971-6-28 1249 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  UC535751  Rhamnus californica Eleanor Armstrong 1934-8-24 1142 Humboldt Richardson Grove 121 Comment
  UC912384  Rhamnus californica subsp. occidentalis Herbert L. Mason 1932-7-21 7109 Humboldt on road to Arcata to Weaverville (e slope of Southfork Mountains); Southfork Mountains Comment
  RSA202162  Rhamnus purshiana W. L. Jepson 1902-6-24 1932 Humboldt Karbal to Rugel's Ranch Comment
  UC198576  Rhamnus purshiana Joseph P. Tracy 1917-9-2 4847 Humboldt Grouse Mt. Northern Coast Ranges 1524 Comment
  SEINET7716093  Rhododendron californicum Unknown Humboldt Humboldt Bay Comment
  HSC23118  Rhododendron columbianum Norman Dennis 1965-6-3 143 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  HSC7831  Rhododendron columbianum J. Pursell 1964-10-6 1061 Humboldt Big Lagoon Bog Comment
  HSC7873  Rhododendron macrophyllum P. Markle 1962-5-22 54 Humboldt End of 18th St., Arcata Community Forest Comment
  RSA254755  Rhododendron macrophyllum Thomas W. Nelson 1974-5-7 1239 Humboldt Beside the old Kneeland Rd. Comment
  UC153962  Rhododendron macrophyllum Joseph P. Tracy 1906-6-10 2489 Humboldt Humboldt Bay Region, Kneeland Prairie Road Kneeland Prairie Road; Northern Coast Region, Humboldt Bay Region, Kneeland Prairie 609 Comment
  HSC96519  Rhododendron occidentale var. paludosum Gordon Leppig 1998-5-11 759 Humboldt Big Lagoon County Park. 3 Comment
  CAS-BOT-BC433138  Ribes Doris Kildale 1931-5-10 10579 Humboldt Snow Camp Comment
  UC1586906  Ribes Juha Pykala 1987-6-20 1849 Humboldt n House of Prof. D. H. Norris; Kneeland, Greenwood Heights 350 Comment
  CAS-BOT-BC433134  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9562 Humboldt McClellan Hill near Bridgeville 609 Comment
  POM184793  Ribes binominatum Joseph P. Tracy 1932-7-13 10487 Humboldt Trinity Summit. 1524 Comment
  HSC56243  Ribes bracteosum Walter Overton 1979-8-1 12345 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  UC615054  Ribes bracteosum Beryl O. Schreiber 1934-6-5 1140 Humboldt road to Redding (Gray's Resort); Redwood Creek Comment
  HSC20290  Ribes divaricatum W. R. Rogers 1966-5-1 243 Humboldt Azella State Reserve Comment
  HSC56148  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11990 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  SBBG26907  Ribes laxiflorum H. E. and S. T. Parks 1937-6-4 24004 Humboldt Prairie Crk at Valley Green Comment
  UC1198927  Ribes lobbii Joseph P. Tracy 1913-7-20 4385 Humboldt near summit of ridge between Three Creeks and Redwood Creek (Three Creeks side); Northern Coast Ranges 1066 Comment
  UC205483  Ribes lobbii Joseph P. Tracy 1919-9-18 5247 Humboldt Trinity Summit Northern Coast Ranges 1524 Comment
  JEPS79966  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt ridges e of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC206036  Ribes menziesii Joseph P. Tracy 1948-2-22 17950 Humboldt Hydesville 91 Comment
  JEPS49218  Ribes menziesii Jos. P. Tracy 1904-7-31 2130 Humboldt Eureka 152 Comment
  RSA0021768  Ribes menziesii Joseph P. Tracy 1948-3-6 17953 Humboldt Trinidad. 61 Comment
  RSA0021773  Ribes menziesii E. R. Johnson 1929-08 1405 Humboldt 5 miles above Blue Lake on road to Willow Creek. 152 Comment
  JEPS49188  Ribes roezlii var. amictum Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville 121 Comment
  RSA0024587  Ribes roezlii var. cruentum Lyman Benson 1929-7-19 1872 Humboldt Ridge between Bull Creek and Matole [Mattole] River. Comment
  SBBG115193  Ribes sanguineum D. Leaberry 1992-6-20 Humboldt Clam Beach County Park, 1 mi N of Arcata Airport Comment
  HSC103214  Ribes sanguineum var. glutinosum Jade Paget-Seekins 2010-3-27 8 Humboldt Elkhead (just north of Trinidad on Stagecoach Road). 40 Comment
  HSC49909  Ribes sanguineum var. glutinosum Maralyn O'Meara 1973-2-9 125 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  HSC89543  Ribes sanguineum var. glutinosum M. Roantree 1985-5-7 41 Humboldt SW side of Trinidad Head, along trail Comment
  CAS-BOT-BC144695  Ribes sanguineum var. glutinosum H. E. McMinn 1922-8-4 340 Humboldt along Van Dusen River Comment
  UC1198919  Ribes viscosissimum Joseph P. Tracy 1942-9-6 17308 Humboldt near McKay; South Fork Mountain 1676 Comment
  UC1239757  Romanzoffia californica Joseph P. Tracy 1935-5-12 13799 Humboldt along Trinity Hwy. Willow Creek Canyon 304 Comment
  HSC26449  Romanzoffia tracyi T. O. Osborne 1970-4-8 9 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  CAS-BOT-BC147433  Rosa californica Ira L. Wiggins 1940-7-10 9488 Humboldt Table Bluff Comment
  CAS-BOT-BC146526  Rosa gymnocarpa Roxana S. Ferris 1955-7-11 12971 Humboldt E of summit near Willow Creek, along U. S. Highway 299 Comment
  HSC19627  Rosa gymnocarpa R. E. Thill 1965-5-1 23 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC49926  Rosa gymnocarpa Maralyn O'Meara 1974-7-11 540 Humboldt Kneeland; Barry Ridge Comment
  HSC57039  Rosa gymnocarpa Overton, Butler 1979-7-24 9675 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC98843  Rosa gymnocarpa var. serpentina Cara Witte 2007-6-12 243 Humboldt Horse Mountain Botanical Area. Along Forest Service Rd. 6N38. 1349 Comment
  HSC31560  Rosa nutkana Glenn McGourty 1974-6-1 77 Humboldt Comment
  UC12845  Rosa nutkana subsp. macdougalii J. Burtt Davy 1899-6-13 5492 Humboldt along river near Camp Grant; Eel River Comment
  UC709450  Rosa nutkana subsp. macdougalii Joseph P. Tracy 1941-6-29 16965 Humboldt lower foothills of nw slope Buck Mountain 762 Comment
  UC183612  Rosa nutkana var. nutkana Joseph P. Tracy 1912-7 3753 &3985 Humboldt Eureka Northern Coast Region 0 Comment
  UC902162  Rosa nutkana var. nutkana Joseph P. Tracy 1947-8-10 17883 Humboldt 2 mi s of town Field's Landing 6 Comment
  UC14221  Rosa spithamea Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  HSC58235  Rubus leucodermis Walter Overton 1979-8-1 12392 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC99589  Rubus leucodermis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 258 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
  JEPS47690  Rubus leucodermis Lincoln Constance 1934-5-24 635 Humboldt bordering lower Look Prairie on e side , Bull Creek Region (South Fork Eel River) 121 Comment
  UCD113800  Rubus leucodermis P. Zinke 1950-8-4 152 Humboldt two miles west of Harris Post Office. 853 Comment
  CAS-BOT-BC147242  Rubus parviflorus E. R. Johnson 1929-8-1 1416 Humboldt Arcata Redwood Park 76 Comment
  CAS-BOT-BC147243  Rubus parviflorus Doris K. Kildale 1926-5-14 3196 Humboldt Big Lagoon Comment
  CHSC19737  Rubus parviflorus R. J. Vernimen 1963-5-11 51 Humboldt Clam Beach Lagoons, 10 miles N. of Arcata. Comment
  HSC22496  Rubus parviflorus G. T. Nordstrom 1966-4-24 11 Humboldt Kneeland-Maple Creek Rd. near jct. with Korbel Rd. Comment
  HSC57020  Rubus parviflorus Overton, Butler 1979-7-24 9632 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UCR3512  Rubus parviflorus David Whistler, H. M. Whistler 1964-8-1 640801- 5 Humboldt Coast Range, US Hwy 299, 6 mi east of Blue Lake Comment
  POM117571  Rubus parviflorus var. velutinus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  SEINET10542893  Rubus procerus Charlene A. Bennett 1976-8-6 Bennett 485 Humboldt By hwy 101, n side of orick. Rocky area, densely forested by river. Flowers Pink 30 Comment
  CHSC19742  Rubus spectabilis Gary J. Stebbins 1970-2-21 9 Humboldt Patricks Point State Park. Comment
  HSC19680  Rubus spectabilis S. R. Johnson 1965-3-14 7 Humboldt 1 mi N of Luffenholtz Beach Comment
  HSC19681  Rubus spectabilis J. L. Baker 1965-4-13 50 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N bank Rd. Comment
  JEPS47709  Rubus spectabilis Lincoln Constance 1934-6-2 780 Humboldt Bull Creek road to mouth Bull Creek (and up Bull Creek, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  BLMAR234  Rubus ursinus Jennifer Anthony-Wheeler 1996-9-26 234 Humboldt King range, growing at base of N bank of S fork bear creekbed 548 Comment
  CAS-BOT-BC158790  Rubus ursinus J. P. Tracy 1902-7-4 1759 Humboldt Immediate vicinity of Eureka 152 Comment
  HSC100639  Rubus ursinus Carl C. Marshall Mar 1886 138 Humboldt Everywhere. Comment
  RSA183575  Rubus ursinus R. I. Bonn 1965-4-23 19 Humboldt 4 miles W of Arcata on Lanphere Rd. Comment
  UC1334749  Rubus ursinus R. S. Woglum 1938-8-28 2041 Humboldt Trinidad Comment
  UC154255  Rubus ursinus J. P. Tracy 1904-7-31 2133 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCD17624  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 040 Humboldt California. Humboldt County: on left side of U.S. 101 going north, about 0.5 miles north of Rock Creek Crossing. Comment
  UCD17848  Rubus ursinus H. Olmo 8-10 May 1962 62 36 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  HSC99000  Rubus ursinus subsp. ursinus Cara Witte 2008-7-16 906 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  RSA89568  Rubus vitifolius Philip A. Munz 1954-7-23 19865 Humboldt 5 miles SE of Carlotta Comment
  UC55519  Rumex Joseph Burtt Davy 1899-7-30 6170 Humboldt Ferndale Comment
  JEPS39894  Rumex acetosella Lincoln Constance 1934-6-3 807 Humboldt n side Redwood Hwy. (at Dyerville); South Fork Eel River, Bull Creek Region, Dyerville Comment
  HSC17571  Rumex acetosella D. E. Anderson 1961-9-30 1836 Humboldt Comment
  HSC17580  Rumex acetosella Elrid H. Spinas 1948-6-16 66 Humboldt Horse Mtn. Comment
  HSC70987  Rumex californicus Gail Newton 1980-7-20 1650 Humboldt Near Bell Swamps 1426 Comment
  CAS-BOT-BC421749  Rumex conglomeratus Malcom A. Nobs; S. Galen Smith 1949-8-9 1236 Humboldt On southern side of the town of Blue Lake Comment
  JEPS39876  Rumex crispus Lincoln Constance 1934-5-26 659 Humboldt near Founder's Tree (North Dyerville Flat grove); South Fork Eel River, Bull Creek Region, North Dyerville Fla 48 Comment
  HSC60366  Rumex crispus Terry Roth 1979-5-26 87 Humboldt Near jct. of Sunset Ave. and H St., Arcata Comment
  UC672874  Ruppia maritima Joseph P. Tracy 1938-7-15 16079 Humboldt Mouth of Eel River 3 Comment
  SEINET3893324  Ruppia maritima Rick Lundquist 1979-5-31 111 Humboldt Arcata South Quadrangle. At south end of H Street.; 0 0 Comment
  UC1196721  Salix Joseph P. Tracy 1935-4-17 13775 Humboldt Alton to Fortuna; Eel R. 15 Comment
  CAS-BOT-BC129894  Salix bonplandiana Joseph P. Tracy; Harold E. Parks 1942-5-16 11568 Humboldt Vicinity of Garberville 152 Comment
  CAS-BOT-BC103817  Salix exigua Harold E. Parks; Joseph P. Tracy 1931-5-17 0967 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  POM361044  Salix exigua H. E. Parks 1931-5-14 958 Humboldt Fernbridge. Eel River. 10 Comment
  UC490572  Salix exigua Joseph P. Tracy 1932-9-3 10763 Humboldt Alton to Fortuna (opposite Fortuna); Northern Coast Region, Eel R. 15 Comment
  HSC19947  Salix exigua var. hindsiana H. E. Parks 1931-5-14 958 Humboldt Fernbridge, Eel River 10 Comment
  SD990  Salix exigua var. hindsiana Harold E. Parks 1931-8-25 1061 Humboldt Blue Slide, Van Duzen River 89 Comment
  UC1196605  Salix exigua var. hindsiana Joseph P. Tracy, C. R. Ball, and H. E. Parks 1932-5-17 10096 Humboldt Trinity R. opposite Willow Creek; North Coast Ranges 152 Comment
  UC469443  Salix exigua var. hindsiana Joseph P. Tracy 1931-9-7 9642 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC481302  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 970 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  UC512028  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1330 Humboldt near bridge on Trinity Hwy. Trinity R. 152 Comment
  CAS-BOT-BC107761  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1221 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CHSC9557  Salix hookeriana E. L. Smith 1971-4-6 927 Humboldt Manila, 4 mi sw of Arcata, on w side of Humboldt Bay opposite Eureka. Comment
  HSC19954  Salix hookeriana H. E. Parks, S. T. Parks 1932-4-7 1103 Humboldt Trinidad, Little River Lagoon 0 Comment
  HSC40862  Salix hookeriana Linda M. Barker 1976-4-30 1422 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  RSA5644  Salix hookeriana H. E. Parks 1931-5-28 1000 Humboldt Little River Lagoon. 0 Comment
  SD936  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna, on banks of Eel River 10 Comment
  UC1196556  Salix hookeriana Joseph P. Tracy 1937-4-11 15261 Humboldt along Eel Rl Camp Grant (2-5 mi e of the South Fork); S. Fork Eel R., Camp Grant 45 Comment
  UC1196673  Salix hookeriana Joseph P. Tracy 1925-11-15 7315 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay (same region as #6929) 60 Comment
  UC1225776  Salix hookeriana Joseph P. Tracy 1948-4-4 17959 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC275525  Salix hookeriana Joseph P. Tracy 1924-9-21 6884 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC481346  Salix hookeriana Harold E. Parks 1931-5-12 952 Humboldt Samoa Humboldt Bay, Samoa Comment
  UC490478  Salix hookeriana Joseph P. Tracy 1932-8-27 10755 Humboldt along Van Duzen R. Alton (<1st. tree> after crossing small creek separating our parking place from open river bar.); North Coast Ranges, Van Duzen R. 30 Comment
  UCD111030  Salix hookeriana Linda M. Barker 1976-3-22 1340 Humboldt 3 miles west of Arcata. Comment
  UC481831  Salix laevigata Mrs. H. P. Bracelin 1931-5-2 284 a Humboldt 6 km. s Alton (e of Redwood Hwy.) 20 Comment
  UC492331  Salix lasiandra subsp. lasiandra Harold E. and Susan T. Parks 1932-4-10 1101 Humboldt Little River Lagoon Trinidad; , Little River Lagoon Comment
  CAS-BOT-BC125217  Salix lasiandra var. lasiandra W. J. Ferlatte 1967-6-13 1122 Humboldt North bank of Mad River 1/4 mi. east of hwy. 101 6 Comment
  SJSU164  Salix lasiandra var. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  CAS-BOT-BC107102  Salix lasiolepis Joseph P. Tracy 1933-2-26 10912 Humboldt Miranda, along south fork of Eel River 121 Comment
  CAS-BOT-BC107103  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107595  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11005 Humboldt On Van Duzen River, two miles west of Bridgeville 228 Comment
  CAS-BOT-BC107612  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107613  Salix lasiolepis Harold E. Parks; Susan T. Parks 1931-8-15 1079 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC107622  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen R. 228 Comment
  CAS-BOT-BC107623  Salix lasiolepis Joseph P. Tracy 1934-4-8 13171 Humboldt South Fork of Eel River, between Miranda and Redway 91 Comment
  CAS-BOT-BC107644  Salix lasiolepis Joseph P. Tracy 1933-4-2 10959 Humboldt On open grassy slope of Berry's Mountain, on Trinity Highway, east of Redwood Creek 762 Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  JEPS12967  Salix lasiolepis Joseph P. Tracy 1931-9-26 9696 Humboldt at Redwood Creek Berry's; Northern Coast Ranges 274 Comment
  JEPS12973  Salix lasiolepis Joseph P. Tracy 1932-4-24 9803 Humboldt between Miranda and Redway (S. Fork Eel River); North Coast Ranges 91 Comment
  JEPS14752  Salix lasiolepis Joseph P. Tracy 1932-6-4 10128 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  UC275523  Salix lasiolepis Joseph P. Tracy 1923-4-15 6189 A Humboldt Redwood Creek, at Berry's 274 Comment
  UC469432  Salix lasiolepis Joseph P. Tracy 1931-10-3 9701 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC481182  Salix lasiolepis Harold E. and Susan T. Parks 1931-8-15 1079 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 100 Comment
  UC481806  Salix lasiolepis H. P. Bracelin 1931-5-1 268 Humboldt Sylvandale, between Miranda and Meyers South Fork of Eel River Comment
  UC506404  Salix lasiolepis Joseph P. Tracy 1932-10-8 10866 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC512038  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1323 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  CAS-BOT-BC107300  Salix lasiolepis var. bigelovii Doris K. Kildale 1926-12-19 2873 Humboldt South Fork 51 Comment
  CAS-BOT-BC107409  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3144 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC125630  Salix melanopsis Harold E. Parks 1931-5-14 0965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  CAS-BOT-BC125632  Salix melanopsis Joseph P. Tracy 1931-9-7 9647 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC125633  Salix melanopsis Harold E. Parks 1931-10-15 01077 Humboldt Bishop Pine Lodge, Trinidad 75 Comment
  JEPS12935  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  POM218958  Salix melanopsis H. P. Bracelin 1931-5-2 284 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  SBBG57954  Salix melanopsis H. E. Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  SD975  Salix melanopsis Harold E. Parks, Joseph P. Tracy 1931-5-17 967 Humboldt Mouth of Willow Creek at Trinity River, sandbars 149 Comment
  SJSU193  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC1196635  Salix melanopsis Joseph P. Tracy 1932-7-31 10287 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC469445  Salix melanopsis Joseph P. Tracy 1931-10-3 9706 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481298  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 967 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC512011  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1234 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UC512019  Salix melanopsis C. R. Ball, H. E. Parks, and J. P. Tracy 1932-5-17 1339 Humboldt pond at Willow Creek (Graham Ranch) near junction with Trinity R.; Willow Creek 152 Comment
  UC519364  Salix melanopsis Joseph P. Tracy 1933-6-9 12533 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R. 30 Comment
  CAS-BOT-BC129131  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  CAS-BOT-BC129152  Salix scouleriana Doris K. Kildale 1929-2-28 6947 Humboldt Arcata - hill back of State Teacher's College Comment
  CAS-BOT-BC129153  Salix scouleriana Doris K. Kildale 1925-12-22 1438 Humboldt Eureka, vacant lot Comment
  HSC20076  Salix scouleriana J. P. Tracy 1932-7-13 10507 Humboldt Klamath Mtns., Trinity summit, Corral Prairie 1524 Comment
  HSC55742  Salix scouleriana G. L. Clifton, Griswold 1979-7-26 10252 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC98064  Salix scouleriana Cara Witte 2007-7-12 518 Humboldt Along Forest Service Road 5N10. 1.25 miles south of intersection with 5N41. 1283 Comment
  POM280933  Salix scouleriana Lyman D. Benson 1929-7-14 1810 Humboldt Weott Ranger Station, South Fork Eel River. Comment
  SBBG28831  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge, Trinidad 150 Comment
  UC1196695  Salix scouleriana Joseph P. Tracy 1924-11-16 6921 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC126273  Salix sessilifolia H. E. Parks; Joseph P. Tracy 1934-7-25 11090 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC20104  Salix sitchensis J. P. Tracy 1933-7-16 12773 Humboldt S Fork Mtn., Mckay Camp 1677 Comment
  JEPS12955  Salix sitchensis Joseph P. Tracy 1931-9-19 9683 Humboldt Van Duzen River Alton; Northern Coast Region, Van Duzen River 30 Comment
  UC1196703  Salix sitchensis Joseph P. Tracy 1933-3-5 10917 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R., Alton 30 Comment
  UC506364  Salix sitchensis Joseph P. Tracy 1933-3-19 10930 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC512013  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1230 Humboldt 1 1/2 mi. e. Alton (on ... floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UCLA69890  Salvia dorrii var. pilosa unknown Humboldt Harris Spring road 1828 Comment
  HSC101557  Salvia mellifera J. P. Smith, J. O. Sawyer 2009-10-4 12685 Humboldt Along New Navy Base Road near Samoa Boat Ramp 2 Comment
  JEPS26115  Sambucus mexicana Peter H. Raven with R. Snow 1958-7-20 13643 Humboldt on Titlow Hill Rd 1.1 mi s junction of Friday Ridge Road (near Grouse Ridge) Comment
  HSC90384  Sambucus racemosa var. racemosa Jean Hanson 1980-4-12 43 Humboldt Humboldt Bay, Eureka, Indian (Gunther) Island, on NW edge of dike, W end of the island. Comment
  UCSB15630  Sambucus racemosa var. racemosa 1962-6-8 Humboldt Along U.S. Highway 101, 5 miles south of Orick 30 Comment
  UC154105  Sanicula arctopoides J. P. Tracy 1901-4-14 1018 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  JEPS282  Sanicula crassicaulis Joseph P. Tracy 1927-5-8 7968 Humboldt facing South Fork of Eel River (Phillipsville); Phillipsville 121 Comment
  OBI36668  Sanicula crassicaulis David J. Keil 1983-7-2 17341 Humboldt 2.8 mi S of SR 299 along Titlow Hill rd, SW of Willow crk. Comment
  UC154126  Sanicula crassicaulis Joseph P. Tracy 1908-6 2748 Humboldt Northern Coast Ranges, Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 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
  HSC55730  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-7-26 10214 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  JEPS1004  Sanicula graveolens Joseph P. Tracy 1929-7-4 8614 A Humboldt French Camp Ridge 1066 Comment
  UC1565803  Sanicula tuberosa R. Spellenberg 1990-7-9 10227 Humboldt 14 air mi sw of Burnt Ranch (20.5 mi s of California Hwy 299 and Berry Summit on USFS Rd 1, on Pilot Ridge, extreme e edge of Humboldt County); Pilot Ridge 1371 Comment
  HSC98716  Saponaria officinalis Cara Witte 2007-8-1 615 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1/2 mile north of intersection with Forest Service Road 5N09. 1414 Comment
  UC1198886  Saxifraga aprica Joseph P. Tracy 1932-7-18 10709 Humboldt head of Brett Hole (Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  UC709459  Saxifraga marshallii Joseph P. Tracy 1941-3-26 16834 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  RSA0101646  Sceptridium multifidum Robert F. Thorne, Percy Everett 1965-8-7 35230 a Humboldt Big Lagoon. 3 Comment
  RSA366412  Schoenoplectus pungens Joseph P. Tracy 1914-5-30 s.n. Humboldt North Coast, near Hydesville Comment
  CAS-BOT-BC111698  Schoenoplectus pungens var. badius David Daniels Keck 1938-8-5 4772 Humboldt Big Lagoon, among rocks in open spots on beach. Comment
  UC213328  Scirpus cernuus Joseph P. Tracy 1920-6-6 5336 Humboldt along Freshwater Creek (around Humboldt Bay); Northern Coast Ranges, Humboldt Bay, Freshwater Creek 30 Comment
  HSC102057  Scirpus microcarpus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 962 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  CAS-BOT-BC110925  Scirpus microcarpus Doris K. Kildale 1926-4-4 1735 Humboldt Trinidad Comment
  CAS-BOT-BC110929  Scirpus microcarpus Carl B. Wolf 1937-9-11 9324 Humboldt Redwood Highway, 3 mi. No of Orick at Davison's Ranch on Prairie Creek. 60 Comment
  UC1103644  Scirpus microcarpus Joseph P. Tracy 1943-7-18 17440 Humboldt along shore Big Lagoon; along shore Big Lagoon 3 Comment
  JEPS95121  Scirpus pungens Vernon Oswald and Lowell Ahart 1997-9-4 8848 Humboldt Big Lagoon County Park, at sw edge of Big Lagoon Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  POM109662  Scoliopus bigelovii Marcus E. Jones 1924-4-28 s.n. Humboldt Scotia. Comment
  HSC15634  Scoliopus bigelovii Curt M. Johnson 1966-2-27 108 Humboldt 6 mi. S of Pepperwood, Ave. of the Giants 152 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
  UC275518  Scoliopus bigelovii Joseph P. Tracy 1923-4-25 6144 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC147885  Scrophularia californica J. P. Tracy 1906-5-20 2465 Humboldt immediate vicinity Eureka 0 Comment
  UC582593  Scrophularia californica Joseph P. Tracy 1933-8-22 12980 Humboldt Eureka 6 Comment
  UC577323  Scutellaria antirrhinoides Joseph P. Tracy 1930-6-15 8763 Humboldt Dobbyn Creek 152 Comment
  UC577335  Scutellaria antirrhinoides Joseph P. Tracy 1937-7-24 15520 Humboldt head of Devil'sw Hole (Trinity Summit); , Devil'sw Hole 1676 Comment
  UC1222179  Sedum Joseph P. Tracy 1950-6-8 18715 Humboldt bluffs at the Sand Cut Wildcat Road 2 mi s Ferndale; s of Ferndale 304 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
  HSC79342  Sedum laxum subsp. flavidum D. K. Imper 1983-6-15 Humboldt Along Hwy. 299 S of Hwy, adjacent to swimming hole Comment
  JEPS109415  Sedum laxum subsp. heckneri D. W. Taylor 2004-6-24 19137 Humboldt Clear Lake, along Titlow Hill road. Comment
  UC1198837  Sedum laxum subsp. heckneri Joseph P. Tracy 1933-7-25 12899 Humboldt Grouse Mountain 1524 Comment
Read comments
Aug 17 2011
  HSC6481  Sedum spathulifolium var. spathulifolium B. R. Templeton 1962-5-24 Humboldt W side of Berry Summit Comment
  HSC100143  Selaginella kraussiana G. F. Hrusa, R. Bencie, L. Bencie, C. Dogwin, and E. Dogwin 2010-12-29 18277 Humboldt Forest E of Humboldt State University, above Fern Lake 47 Comment
  HSC98548  Senecio integerrimus var. major Cara Witte 2008-6-9 696 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  UC581706  Senecio integerrimus var. major Joseph P. Tracy 1933-7-11 12703 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC545823  Senecio minimus H. E. Parks 1931-9-1 1058 Humboldt Trinidad 76 Comment
  UC1223019  Senecio minimus Joseph P. Tracy 1941-8-17 16991 Humboldt where logging of Douglas Fir is in progress, near HIgh Prairie; Bald Mountain Comment
  UC581698  Senecio sylvaticus Joseph P. Tracy 1930-7-26 9116 Humboldt White Thorn Valley 304 Comment
  RSA167390  Senecio sylvaticus Joseph P. Tracy 1949-8-11 18467 Humboldt East of headwaters of Redwood Creek, electric power-line southward. Kinsey Ridge south from Grouse Mt., 2 to 6 miles. 1280 Comment
  HSC57035  Senecio triangularis Overton, Butler 1979-7-24 9667 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57152  Senecio triangularis Overton, Butler 1979-7-26 9948 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  RSA47114  Senecio triangularis Doris K. Kildale 1925-8-16 1172 Humboldt Trinity Summit. Elk Horn Prarie. 1524 Comment
  HSC12561  Senecio vulgaris D. La Conte 1970-11-7 10 Humboldt Comment
  RSA168840  Senecio vulgaris Joseph P. Tracy 1943-11-28 17454 Humboldt Eel River bar at mouth of Van Duzen near Alton Comment
  CAS-BOT-BC85841  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC85842  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt Near Korbel 304 Comment
  HSC31518  Sequoia sempervirens Steve Selva, Roger Jensen 1974-8-28 95 Humboldt Behind Humboldt State University, Arcata. Comment
  UCD19960  Sequoia sempervirens C. H. Lamoureux; R. Gankin 1956-3-17 1044 Humboldt Southern boundary of Jensen Grove, between Meyers and Miranda on Hwy 101. Comment
  HSC16035  Sidalcea diploscypha Lincoln Constance 1934-5-23 613 Humboldt SW slope, upper end of Look Prairie, S Fork Eel River, Bull Creek region 366 Comment
  UC108878  Sidalcea malachroides J. W. Blankinship Jun 17 1893-Jun 20 1893 Humboldt Eureka , Hydesville (Hydesville) Comment
  UC1197966  Sidalcea malachroides Joseph P. Tracy 1906-6-10 2472 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1224688  Sidalcea malachroides D. E. Anderson 1963-5-26 2502 Humboldt in alluvial gravel beds along s side Jacoby Creek; along s side of Jacoby Creek Comment
  HSC100572  Sidalcea malviflora Carl C. Marshall Jun 1887 445 Humboldt East branch. Comment
  HSC38096  Sidalcea malviflora subsp. nana Thomas W. Nelson, James Nelson 1976-5-30 2617 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC668134  Sidalcea malviflora subsp. patula Joseph P. Tracy 1936-6-9 14877 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  POM160836  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-7-25 5344 Humboldt Dows Prairie 61 Comment
  HSC56404  Sidalcea oregana subsp. spicata Griswold, Butler 1979-7-11 7000 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  SEINET11996975  Sidalcea oregana subsp. spicata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -308 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  UC161013  Silene antirrhina Joseph P. Tracy 1908-6 2801 Humboldt opposite Buck Mountain (Valley of Van Duzen River, in sand bar in river); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC103774  Silene bolanderi M. R. Mesler 2014-6-4 1636 Humboldt Burr Valley Road near Dinsmore 1117 Comment
  UC161015  Silene californica Joseph P. Tracy 1909-7-31 3032 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CDA24095  Silene californica R. Spadoni 1992-6-15 Humboldt Along mad River east of Arcata, near Blue Lake, Redwood Valley. 0 Comment
  RSA43854  Silene californica H. M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans. Comment
  UC1198363  Silene gallica Joseph P. Tracy 1931-5-3 9352 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  UC668089  Silene gallica Joseph P. Tracy 1931-5-3 9350 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  UCD98626  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC100417  Silene gallica Carl C. Marshall May 1885 73 Humboldt Dry soils, roadsides, etc. Comment
  UC668083  Silene grayi Joseph P. Tracy 1932-7-18 10705 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  BLMAR349  Silene hookeri Jennifer Anthony-Wheeler 2003-5-5 349 Humboldt Eden valley 807 Comment
  CAS-BOT-BC181223  Silene hookeri subsp. bolanderi Volney Rattan 1883-1-1 s.n. Humboldt Mad River Comment
  CAS-BOT-BC181248  Silene hookeri subsp. hookeri Dean William Taylor 1971-5-12 1064 Humboldt At the junction of the Trinity and New Rivers 304 Comment
  HSC4165  Silene laciniata subsp. californica Jack Rockwell 1962-4-29 48 Humboldt N side Hwy. 30 253 Comment
  UCSB28368  Silene laciniata subsp. californica Phelps, M. 1972-3-20 Humboldt 1000 yds. north of end of Black Sands Rd.; Black Sands Beach, Shelter Cove 4 Comment
  UC1198284  Sinapis arvensis J. P. Tracy 1906-6-20 2494 Humboldt immediate vicinity of Eureka 0 Comment
  HSC70925  Sisymbrium altissimum R. York 1980-5-18 576 Humboldt Near Black Mtn 792 Comment
  JEPS53885  Sisymbrium altissimum W. L. Jepson 1932-8-8 16530 Humboldt hill above Weott Comment
  SEINET3876425  Sisyrinchium bellum C. C. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge.; 0 33 Comment
  SD88390  Sisyrinchium californicum Darley F. Howe 1972-6-30 Humboldt Trinidad. Comment
  UC577403  Solanum umbelliferum Joseph P. Tracy 1937-6-20 15340 Humboldt Bear River, 10 mi up stream from the mouth Bear River 152 Comment
  UC585974  Solanum umbelliferum Joseph P. Tracy 1924-5-4 6668 Humboldt 6 mi w of Bridgeville (Van Duzen River); Van Duzen River 121 Comment
  CAS-BOT-BC365439  Solidago elongata Doris K. Kildale 1926-6-18 2408 Humboldt Gold Bluffs Comment
  SEINET201025 Image available Solidago spathulata J. P. Tracy 1901-8-7 1268 Humboldt Samoa, opp. Eureka. Comment
  BLMAR550  Solidago spathulata Jennifer Wheeler 2004-7-15 550 Humboldt Stornetta Ranch Comment
  HSC89522  Sonchus asper M. Roantree 1985-6-10 79 Humboldt W side of Trinidad Head Comment
  HSC97446  Sparganium emersum Ivy Watson 2008-10-5 35 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  CHSC23303  Sparganium emersum subsp. emersum Robert F. Thorne; P. Everett 1965-8-9 35321 Humboldt Clam Beach County Park; along highway in ditch. 3 Comment
  JEPS397  Sparganium emersum var. emersum Joseph P. Tracy 1934-7-30 13507 Humboldt along coast in front of s end Stone Lagoon; Dry Lagoon 3 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
  HSC93471  Spartina densiflora Gordon Leppig 1998-8-6 992 Humboldt Arcata Marsh and Wildlife Sanctuary. 2 Comment
  POM319543  Spartina densiflora Patricia Wilder 1968-8-21 4415 Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  UCD92967  Spartina densiflora Phyllis Faber 1983-11-11 s.n. Humboldt Humboldt Bay, Arcata. Comment
  SBBG89225  Spartina foliosa A. Keedy 1988-9-18 8 Humboldt Jolly Giant Crk {near mouth}; Arcata Salt Marsh Comment
  UCD92983  Spartina foliosa Gordon Leppig 1998-8-6 992 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  HSC77898  Spergula arvensis R. D. Modafferi 1965-3-14 8 Humboldt 1.3 mi. S of Trinidad on old Hwy. 101 305 Comment
  HSC83996  Spergula arvensis L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 221 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  HSC95251  Spergularia macrotheca var. macrotheca Andrea Pickart 2002-6-27 125 Humboldt Mad River Slough and Dunes, N of parking lot area at N end of access road. 0 Comment
  UC668080  Spergularia rubra Joseph P. Tracy 1936-6-3 14850 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC34651  Spiraea splendens var. splendens K. Irwin 1975-8-16 Humboldt N Trinity Mtn. area Comment
  HSC41270  Spiraea splendens var. splendens Brad Klipfel 1974-6-25 413 Humboldt Horse Mtn. Comment
  UC1225876  Spiranthes porrifolia Joseph P. Tracy 1942-6-15 17154 Humboldt Garberville 152 Comment
  HSC16656  Spiranthes porrifolia J. Wendell Howe 1932-6-19 Humboldt Redway Comment
  UC577329  Stachys ajugoides var. ajugoides W. E. Peacock 1936-8-1 Humboldt Arcata Bottom Arcata 9 Comment
  CHSC803  Stachys ajugoides var. rigida 1941-5-30 Humboldt Comment
  UC577330  Stachys ajugoides var. rigida Joseph P. Tracy 1934-7-18 13455 Humboldt Grouse Mountain North Coast Ranges 1615 Comment
  UC668214  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-17 15969 Humboldt near Panther Gap (on road between Bull Creek to Mattole) 822 Comment
  UCLA27599  Stachys ajugoides var. rigida Ynez Whilton Winblad 1941-6-27 Humboldt between Eureka and Orick Comment
  JEPS62955  Stachys ajugoides var. rigida W. L. Jepson 1932-8-8 16481 Humboldt head Canoe Creek; Grasshopper Peak 1066 Comment
  UC1239729  Stachys ajugoides var. rigida Joseph P. Tracy 1921-6-4 5810 Humboldt Carlotta Northern Coast Ranges 60 Comment
  UCLA71143  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16132 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  HSC12560  Stachys arvensis D. La Conte 1970-11-22 11 Humboldt Comment
  HSC25930  Stachys mexicana Thomas W. Nelson 1970-10-30 310 Humboldt S of Education Building on HSC campus Comment
  HSC63580  Stachys rigida J. P. Smith 1973-5-26 6789 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SBBG6537  Stachys rigida H. and M. Dearing 1939-6-23 3696 Humboldt 12 mi E of Arcata Comment
  RSA20845  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8885 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  UC668079  Stellaria borealis subsp. sitchana Joseph P. Tracy 1937-7-17 15443 Humboldt near Field's Landing (Still Ranch) 6 Comment
  SEINET11930940  Stellaria crispa J. P. Tracy 1950-1 19042 Humboldt Raccoon Creek, near mouth, 1 mi NE of Patterson's Ranch, Willow Creek vicinity Comment
  UC1103543  Stellaria crispa Joseph P. Tracy 1938-9-4 16140 Humboldt Coon Creek; Trinity River Valley 152 Comment
  HSC58220  Stenanthium occidentale Walter Overton 1979-8-1 12360 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC1223172  Stephanomeria virgata subsp. pleurocarpa Joseph P. Tracy 1946-11-17 17666 Humboldt Eel River at mouth of Van Duzen River Eel River, Van Duzen River Comment
  HSC58417  Stipa lemmonii Griswold, Butler 1979-7-12 7219 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC98185  Stipa lemmonii J. P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  POM126166  Streptanthus tortuosus Joseph P. Tracy 1922-9-3 6106 Humboldt Klamath River at Bluff Creek. 152 Comment
  HSC99005  Streptanthus tortuosus var. tortuosus Cara Witte 2008-6-15 730 Humboldt Coldspring Camp. 1460 Comment
  HSC102587  Streptopus amplexifolius var. americanus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1574 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC73741  Swertia radiata M. A. Baker 1980-7-19 2995 Humboldt Near Bret Hole. 1814 Comment
  UC562305  Swertia radiata Joseph P. Tracy 1932-7-20 10731 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC58128  Symphoricarpos mollis Gilbert Muth 1979-8-1 12121 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CAS-BOT-BC99166  Symphyotrichum chilense Carl B. Wolf 1937-9-9 9312 Humboldt North Coast Range, Wildcat Ridge, 6 3/10 mi. So. of Ferndale 304 Comment
  HSC49139  Symphyotrichum chilense J. O. Sawyer, R. J. Cole 1978-10-10 3319 Humboldt W of Coast Guard road at intersection with Samoa Bridge Comment
  CAS-BOT-BC99170  Symphyotrichum chilense Volney Rattan 1877-3-2 s.n. Humboldt Unspecified Comment
  HSC99571  Symphyotrichum spathulatum var. spathulatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 236 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UCD120749  Symphytum uplandicum T. C. Fuller 1961-9-28 7047 Humboldt Iverson prop., Arcata Bottoms, 0.5 mi. s. of the Mad River, 0.75 mi. w. of Hwy 101, 2 mi. n. of Arcata. Comment
  HSC21154  Synthyris reniformis D. E. Anderson 1965-4-24 3542 Humboldt 0.5 mi. from Jct. 299 along Titlow Hill Rd. Comment
  JEPS26266  Synthyris reniformis Joseph P. Tracy 1935-2-9 13711 Humboldt w side of Dow's Prairie 60 Comment
  UCD86204  Taeniatherum caput-medusae Eugene C. Whitney 1960-8-4 Humboldt Mary White prop., Fruit Ranch, E/Rainbow Peak, Upper Bear River. Comment
  CAS-BOT-BC376726  Tanacetum bipinnatum D. E. Boufford 1973-7-26 11050 Humboldt Along the Pacific Ocean at the town of Clam Beach, north of the city of Eureka. Growing near sea level Comment
  RSA93878  Tanacetum camphoratum F. W. Peirson 1923-7-11 3917 Humboldt 18 miles N. of Eureka Comment
  UC1223070  Tanacetum parthenium Joseph P. Tracy 1946-7-28 17624 Humboldt Head of Willow Creek Comment
  RSA167250  Taraxacum laevigatum Joseph P. Tracy 1951-6-24 19542 Humboldt Ashfield Ridge 762 Comment
Read comments
Aug 15 2009
  UC1198263  Taxus brevifolia Joseph P. Tracy 1908-6 2925 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC56241  Tellima grandiflora Walter Overton 1979-8-1 12338 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  UC1222362  Tellima grandiflora Joseph P. Tracy 1950-6-8 18722 Humboldt 7 mi s Ferndale (near Mountain Glen Ranch, Bear River Ridge, summit of ridge); Bear River Ridge 609 Comment
  UC1196166  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1939-5-14 16291 Humboldt Dinsmore's Van Duzen River 746 Comment
  HSC103943  Thermopsis macrophylla var. venosa Lisa Hoover 1996-5-29 133 Humboldt Six Rivers National Forest; On ridge above Fish Lake 634 Comment
  HSC1302  Thuja plicata R. A. Rasp 1964-5-20 45 Humboldt HSC Campus Comment
  LA31711  Thuja plicata C. B. Wolf; 1930-10-25 1764 Humboldt 1 mi. above Blue Lakes on road to Willow Creek (Lord Ellis Road) 243 Comment
  NY17200  Thuja plicata I. L. Wiggins 1955-7-31 13594 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
  RSA352355  Thuja plicata J. P. Smith, AdvancedPlantTaxonomyClass 1971-10-9 5021 Humboldt Mad River above the Fish Hatchery. Comment
  CAS-BOT-BC81304  Thuja plicata Belle Richardson Jackson 1939-9-15 s.n. Humboldt Trinity River, near Dutch Comment
  CAS-BOT-BC88328  Thysanocarpus curvipes Lincoln Constance; Reed C. Rollins 1942-5-12 2884 Humboldt Klamath-Siskiyou Region. Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 152 Comment
  HSC45087  Thysanocarpus curvipes R. Sutherland 1978-4-23 28 .23478 Humboldt 640 Comment
  UC1198817  Thysanocarpus curvipes Joseph P. Tracy 1920-5-18 5321 Humboldt Look Prairie Northern Coast Ranges, on Bull Creek (on Bull Creek) 152 Comment
  HSC64218  Tiarella trifoliata var. unifoliata J. O. Sawyer, M. A. Ericksen 1979-6-23 3383 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC99404  Tiarella trifoliata var. unifoliata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 53 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCR3513  Tiarella trifoliata var. unifoliata David Whistler, H. M. Whistler 1964-7-29 640729- 5 Humboldt 0.2 mi north of Meyers Flats on U.S. 101 75 Comment
  UC302171  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1925-7-5 7181 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1173638  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1930-7-17 8993 Humboldt McKay Camp South Fork Mountain Comment
  HSC26806  Tonella tenella Thomas W. Nelson 1971-4-24 400 Humboldt Overlooking the E Fork of Willow Creek, S of Hwy. 299 Comment
  UC1541368  Tonella tenella H. E. Parks and J. P. Tracy 1930-5-25 856 Humboldt Larabee Valley 762 Comment
  HSC75412  Torilis arvensis J. O. Sawyer, M. A. Ericksen 1980-7-7 3574 Humboldt Slopes along Aikens Creek, Adroni Research Area 457 Comment
  HSC45069  Torilis arvensis R. Sutherland 1978-5-16 7 .16578 Humboldt 155 Comment
  SACT002419  Torresia macrophylla V. Barnes 1959-1 Humboldt Comment
  JEPS63914  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16430 Humboldt on way to Bull Creek Dyerville Comment
  UCD136879  Tracyina rostrata Joseph P. Tracy 1950-6-23 18859 Humboldt Dobbyn Creek, 3 miles northeast of Alderpoint. 213 Comment
  HSC45615  Trientalis latifolia Diane L. Reed 1978-5-7 49 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  RSA245214  Trientalis latifolia E. W Styskel 1963-5-16 24 Humboldt 3 miles SE of Korbel, Snow Camp Road. 290 Comment
  SEINET12157030  Trifolium albopurpureum Unknown 1936-1 13477 Humboldt Fields Landing Comment
  UC1197212  Trifolium albopurpureum var. dichotomum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3613 Humboldt near Hydesdale (and Alton); Northern Coast Ranges Comment
  UC16496  Trifolium albopurpureum var. dichotomum Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5342 Humboldt near Harris Comment
  UC495673  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1929-5-5 8566 A Humboldt along South Fork of Eel River (Miranda); Northern Coast Ranges 121 Comment
  UC1197247  Trifolium albopurpureum var. dichotomum H. E. Parks and Joseph P. Tracy 1932-5-12 9987 Humboldt near Alton (Van Dugen river bar); Northern Coast Ranges Comment
  UC495667  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1932-5-17 10094 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC495671  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-6-5 8101 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  UC162829  Trifolium barbigerum J. P. Tracy 1909-5-2 2964 Humboldt immediate vicinity Eureka 0 Comment
  UC16425  Trifolium barbigerum J. Burtt Davy 1899-6-17 5603 Humboldt Arcata Comment
  UC1197182  Trifolium bifidum var. decipiens Joseph P. Tracy 1906-7-4 2522 Humboldt near Hydesville (Yager Creek); Northern Coast Ranges 60 Comment
  UC162784  Trifolium campestre J. P. Tracy 1906-6-25 2512 Humboldt immediate vicinity Eureka 0 Comment
  UC1223467  Trifolium dubium Joseph P. Tracy 1939-4-29 16261 Humboldt Orleans 121 Comment
  HSC15117  Trifolium dubium A. E. Inman 1982-5-25 Humboldt N bank of Mad River, 200 yrds. W of Lindsey Creek Comment
  UCD108864  Trifolium dubium A. H. Murphy 1947-4-25 s.n. Humboldt 2 miles N of Blocksburg, W. Smith Ranch. Comment
  POM214889  Trifolium eriocephalum subsp. eriocephalum Joseph P. Tracy 8821 Humboldt Buck Mountain Comment
  HSC28171  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  UC1197024  Trifolium fucatum J. P. Tracy 1901-5-16 1093 Humboldt immediate vicinity Eureka 0 Comment
  HSC79552  Trifolium fucatum Kenneth Clark 1980-4-18 573 Humboldt 350 yards SE of Dead Man's Gulch (Point No Pass) 8 Comment
  UC1223455  Trifolium fucatum Joseph P. Tracy 1950-6-8 18747 Humboldt 1 mi e Cape Mendocino; Cape Ridge 152 Comment
  POM20265  Trifolium fucatum var. fucatum L. R. Abrams 1916-7-11 6036 Humboldt North of Grizzly Creek on Van Duzon River. Comment
  CHSC98381  Trifolium howellii Dean Wm. Taylor; Tom Engstrom 2006-8-3 19574 Humboldt Snow Camp Lake; un-named first-order tributary to Redwood Creek not shown on USGS map 1 mile NE of the lake. 1249 Comment
  JEPS80001  Trifolium macraei Joseph P. Tracy 1927-6-8 8114 Humboldt Trinidad; Northern Coast Region, Trinidad 15 Comment
  JEPS65951  Trifolium microcephalum Joseph P. Tracy 1932-5-1 9893 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UCD111448  Trifolium microcephalum Tofsrud 1948-1 s.n. Humboldt location unknown. Comment
  HSC38634  Trifolium obtusiflorum D. E. Anderson, J. P. Smith 1971-6-28 - 1257 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  UC1197500  Trifolium obtusiflorum Joseph P. Tracy 1932-6-14 10153 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  SBBG67249  Trifolium pratense R. Hartwell 1938-8-6 Humboldt near Eureka Comment
  HSC23489  Trifolium pratense R. A. Vanbianchi 1971-9-24 89 Humboldt Comment
  UC1223325  Trifolium repens Joseph P. Tracy 1933-7-25 12861 Humboldt near Clear Lake; Grouse Mtn 1524 Comment
  HSC2148  Trifolium variegatum Elrid H. Spinas 1948-6-16 55 Humboldt Horse Mtn. Comment
  UC16775  Trifolium variegatum var. variegatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 D Humboldt Hoopa Valley Comment
  UC495679  Trifolium variegatum var. variegatum Joseph P. Tracy 1929-5-5 8572 Humboldt along Sout Fork Eel River (Miranda); Northern Coast Ranges 121 Comment
  UC1197510  Trifolium willdenovii Joseph P. Tracy 1922-4-30 6033 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC495689  Trifolium willdenovii Joseph P. Tracy 1929-5-5 8568 Humboldt along South Fork of Eel River (Miranda); Northern Coast Ranges 121 Comment
  UC495692  Trifolium willdenovii Joseph P. Tracy 1932-6-14 10157 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA18011  Trifolium wormskioldii Carl B. Wolf 1927-8-22 782 Humboldt Big Lagoon. Comment
  UC162835  Trifolium wormskioldii J. P. Tracy 1900-5-24 802 Humboldt Eureka vicinity Comment
  HSC15188  Trifolium wormskioldii J. W. Johnson 1962-5-13 1353 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  UC1223518  Trifolium wormskioldii Joseph P. Tracy 1938-7-11 16047 Humboldt Samoa Sand Dunes Comment
  CAS-BOT-BC451803  Triglochin maritima Joseph P. Tracy 1933-8-22 12988 Humboldt Mouth of Eel River 3 Comment
  CHSC68791  Triglochin maritima Vernon Oswald 1997-6-5 8531 Humboldt Arcata Oxidation Ponds on South G St., south of Hwy. 255. 6 Comment
  CAS-BOT-BC451802  Triglochin maritima Ira L. Wiggins 1932-6-18 5868 Humboldt At mouth of Little River Comment
  RSA239713  Triglochin maritima Larry E. DeBuhr 1973-4-23 998 Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  UC1100175  Triglochin maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1169 Humboldt 1 mi s Fields Landing; Eel River Valley Comment
  SEINET10745910  Triglochin striata J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13019 Humboldt North of McKinleyville off U.S. 101 (a few kilometers north of Eureka), Clam Beach County Park. Comment
  CHSC24865  Trillium ovatum W. A. Vaccaro 1976-4-4 1 Humboldt Population ca. 300 yds ne of intersection of Cedar St. and W. St., Cutten. 45 Comment
  HSC57025  Trillium ovatum Overton, Butler 1979-7-24 9646 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70327  Trillium ovatum M. A. Baker 1980-6-8 1882 Humboldt Near Buck Flat. 1554 Comment
  UC275520  Trillium ovatum Joseph P. Tracy 1923-4-15 6186 Humboldt Redwood Creek at Berry's; Northern Coast Ranges, Redwood Creek 274 Comment
  UCR3521  Trillium ovatum David Whistler, H. M. Whistler 1964-7-31 640731- 9 Humboldt North Coast, at Del Norte county line on US Hwy 101 [between Orick and Klamath] 137 Comment
  HSC15700  Trillium ovatum Dan O'Brien 1962-4-21 Humboldt 0.5 mi. E of HSC campus 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
  HSC48531  Trillium ovatum Mark Flippo 1978-4-8 12 Humboldt McKinleyville; Bella Vista Hill Comment
  SEINET12810619  Trillium ovatum John D. Freeman, Ruth R. Freeman 1967-1 Humboldt Comment
  CAS-BOT-BC521318  Trillium rivale L. R. Abrams 1918-6-15 7127 Humboldt Brannan Mt near Willow Creek 1371 Comment
  SEINET3992212  Trillium sessile Unknown 1928-4-29 8418 Humboldt Prairie Creek 152 Comment
  HSC20856  Triphysaria eriantha subsp. eriantha Francis Winter 1960-4-19 Humboldt Samoa Peninsula, Fairhaven Airport entrance, 12 mi. W of Arcata Comment
  UC198033  Triphysaria eriantha subsp. eriantha H. E. Parks and Joseph P. Tracy 1927-4-24 7946 Humboldt Bucksport 6 Comment
  UC582572  Triphysaria pusilla Joseph P. Tracy 1931-4-26 9337 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  UC902248  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1944-5-14 17469 Humboldt Eureka 6 Comment
  POM126097  Trisetum canescens Joseph P. Tracy 1903-5-22 1877 Humboldt Alder Point on Eel River, in woods. Comment
  UC163654  Trisetum canescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5494 -5 Humboldt Camp Grant; North Coast Ranges Comment
  CAS-BOT-BC193515  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek 152 Comment
  HSC13416  Trisetum cernuum J. A. Waller 1965-5-16 39 Humboldt Open field near Big Lagoon. Comment
  HSC98366  Triteleia bridgesii T. Jimerson, J. Pageau 1979-5-24 472 Humboldt Near Orleans 226 Comment
  CAS-BOT-BC526356  Triteleia laxa Doris K. Kildale 1925-6-28 791 Humboldt Kneeland Prairie, bald hills 762 Comment
  CHSC79895  Triticum aestivum Gordon Leppig; Sylvia Leppig, Kai Neander 2000-4-14 1293 Humboldt Arcata, UTM zone 10, 4525N, 409E. 3 Comment
  CAS-BOT-BC85893  Tsuga heterophylla Joseph P. Tracy 1940-8-25 16704 Humboldt Bald Mountain 914 Comment
  HSC28303  Tsuga heterophylla Gary S. Lester 1973-12-8 63 Humboldt Comment
  UCD170577  Tsuga heterophylla Gordon Leppig 1998-4-7 732 Humboldt Berry Summit on west slope, Rt. 299. 762 Comment
  CAS-BOT-BC91108  Umbellularia californica Doris K. Kildale 1927-8-16 2515 Humboldt Upper Willow Creek Flat - Trinity River Valley. 152 Comment
  RSA46914  Umbellularia californica Doris K. Kildale 1925-12-27 1447 Humboldt Kneeland. 762 Comment
  CAS-BOT-BC193962  Vaccinium cespitosum Doris K. Kildale 1927-7-10 3725 Humboldt Gans Prairie, Bald Hills Comment
  CAS-BOT-BC193963  Vaccinium cespitosum Doris Kildale 1931-5-10 10581 Humboldt Snow Camp Comment
  UC1197772  Vaccinium cespitosum J. P. Tracy 1901-4-7 1007 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  HSC13157  Vaccinium ovatum Steve Dorei 1970-10-8 7 Humboldt HSU campus, near corner of Union St. and st. leading to gyms Comment
  JEPS58743  Vaccinium ovatum J. P. Tracy 1904-4-17 2017 Humboldt immediate vicinity Eureka 0 Comment
  POM232033  Vaccinium ovatum I. L. Wiggins 1930-6-25 4613 Humboldt Sand dunes 2 miles north of Samoa. Comment
  RSA134586  Vaccinium ovatum P. C. Everett, E. K. Balls, George B. Everett 1959-10-26 23974 Humboldt 4 mi. se from Honeydew along Old Coast Road to Ettersburg. 457 Comment
  UC1197768  Vaccinium ovatum Joseph P. Tracy 1918-5-5 4919 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UCD166886  Vaccinium ovatum Colleen Rossier 2016-9-16 4 Humboldt In vicinity of Rosaleno Creek, plot Rosaleno #2. 633 Comment
  SEINET7271898  Vaccinium ovatum R. K. Beattie 1920-9-22 5960 Humboldt Strong's Station on Van Duzen Fork of Eel River Comment
  HSC97947  Valeriana californica Cara Witte 2007-6-26 359 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1/4 mile east from intersection with National Forest 1. 1457 Comment
  UC1239583  Valeriana sitchensis subsp. scouleri Mrs. Archie Cathey 1933-5-6 Humboldt Eel Rock 91 Comment
  SBBG2296  Vancouveria hexandra H. and M. Dearing 1933-5-16 599 Humboldt Weott 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
  UCSB15917  Vancouveria hexandra 1962-6-8 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  HSC70385  Vancouveria planipetala M. A. Baker 1980-6-7 1860 Humboldt Near Ammon Creek. 732 Comment
  HSC99653  Vancouveria planipetala Jimerson, J. Pageau 1979-6-13 544 Humboldt Near Onion Lake, close to the town of Orleans 549 Comment
  UC1126306  Vancouveria planipetala A. E. Wieslander 1931-5-19 207 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  JEPS86092  Veratrum californicum var. californicum Wayne Roderick 1966-6-28 Humboldt 9 mi e Bridgeville 609 Comment
  UC176191  Veratrum californicum var. californicum Joseph P. Tracy 1912-6-16 3695 Humboldt between Fields Landing and Salmon Creek (at the Still place); Humboldt Bay Region 0 Comment
  HSC98750  Veratrum californicum var. caudatum Cara Witte 2007-7-20 554 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  HSC65844  Veratrum insolitum Gail Newton 1980-6-16 154 Humboldt Near Monks Camp. 1097 Comment
  HSC58115  Veratrum viride G. L. Clifton, Griswold 1979-8-1 12074 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC582590  Verbascum blattaria Joseph P. Tracy 1937-6-26 15366 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC75560  Verbena lasiostachys J. O. Sawyer, R. J. Cole 1977-7-3 3013 Humboldt Environs of Mud Spring, Big Hill Rd. (F.S. 8N01) 1524 Comment
  HSC21190  Veronica americana C. B. Wolf 1927-8-22 774 Humboldt Big Lagoon Comment
  HSC23492  Veronica americana R. A. Vanbianchi 1971-9-10 83 Humboldt Along Fieldbrook Rd., 0.7 mi. from junction with old Hwy. 299 Comment
  HSC72411  Veronica americana J. P. Smith 1973-5-26 6842 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UCD124661  Veronica americana Malcolm A. Nobs; S. Galen Smith 1949-8-9 1227 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  HSC21195  Veronica americana P. Markle 1962-5-22 53 Humboldt Along road to City of Arcata reservoir Comment
  HSC55315  Veronica peregrina subsp. xalapensis Terry Griswold, Marvin Butler 1979-7-11 7053 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC97553  Veronica peregrina subsp. xalapensis Cara Witte 2007-5-31 166 Humboldt Buck Flat. 1547 Comment
  HSC34650  Veronica persica A. M. Montalvo 1975-4-10 204 Humboldt Vacant lot bordering HSU campus between Union St. and A St. 15 Comment
  UC147902  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1909-5-2 2958 Humboldt immediate vicinity of Eureka 0 Comment
  POM283766  Veronica serpyllifolia var. humifusa Lyman D. Benson 1929-7-14 1799 Humboldt Weott Ranger Station, South Fork Eel River. Comment
  UC1197464  Vicia americana var. americana Joseph P. Tracy 1913-7-20 4372 Humboldt slopes between Three Creeks and top of Berry Mountain; Northern Coast Ranges 1066 Comment
  HSC104452  Vicia benghalensis Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 22 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  UC198656  Vicia hirsuta Joseph P. Tracy 1916-5-31 4689 Humboldt Stitz Creek Northern Coast Ranges, Eel River (along Eel River from South Fork to Scotia) 60 Comment
  HSC100118  Vicia sativa David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  RSA91237  Vicia sativa F. W. Peirson 1923-7-11 3625 Humboldt 7 miles N of Arcata. Comment
  HSC90813  Vicia sativa subsp. nigra Gail Newton 1982-5-5 2531 Humboldt Elk River Wildlife Area, Eureka Comment
  JEPS29847  Vicia sativa subsp. nigra Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7837 Humboldt about 1 mi w of Carlotta (or 1/2 mi e of Hydesville) Comment
  HSC15273  Vicia sativa subsp. sativa W. F. Nickel 1965-5-12 Humboldt On H.S.C. campus behind the Biological Sciences building Comment
  HSC15279  Vicia sativa subsp. sativa J. L. Baker 1965-4-2 25 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  HSC15281  Vicia villosa David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  UC709408  Vicia villosa subsp. villosa Joseph P. Tracy 1938-7-5 16016 Humboldt Hydesville 91 Comment
  HSC3231  Vinca major W. F. Nickel 1965-5-15 Humboldt On Hwy. at N stoplight in Arcata. Comment
  CAS-BOT-BC263945  Viola adunca Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC21774  Viola adunca K. P. St. John 1965-4-3 10 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  RSA12423  Viola adunca Carl B. Wolf 1934-7-2 5871 Humboldt At edge of small lake at Snow Camp. (Mts. east of Korbel). 1372 Comment
  UC1198430  Viola adunca J. P. Tracy 1901-6-23 1168 Humboldt immediate vicinity of Eureka 0 Comment
  RSA23651  Viola adunca Carl B. Wolf 1939-7-7 9518 Humboldt Orick to Weitchpec Road 10 miles from Martin's Ferry. 305 Comment
  HSC102037  Viola glabella M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 940 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC48412  Viola glabella Brad Klipfel 1973-6-10 84 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC21784  Viola glabella Elrid H. Spinas 1948-5-15 7 Humboldt Horse Mtn.; 1 mi. off Hwy. 299 Comment
  HSC49905  Viola glabella Maralyn O'Meara 1973-6-12 205 Humboldt Above Clear Lake Comment
  HSC71155  Viola glabella Thomas W. Nelson 1977-6-15 3428 Humboldt Along FS 6N01, just N of Clear Lake 1372 Comment
  UC1103558  Viola macloskeyi Joseph P. Tracy 1947-6-26 17744 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC21823  Viola ocellata W. Lanphere 1937-4-20 Humboldt Hoopa Comment
  RSA183614  Viola ocellata D. E. Anderson 1965-5-1 3557 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  UC1198450  Viola ocellata Joseph P. Tracy 1921-4-24 5452 Humboldt Phillipsville Flat, South Fork of Eel River Phillipsville Flat; Northern Coast Ranges, South Fork of Eel River, Phillipsvill 91 Comment
  CHSC2036  Viola sempervirens E. Crouch 1929-5-9 Humboldt Redwoods. Comment
  UC164805  Viola sempervirens Joseph P. Tracy 1904-4-3 2006 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  HSC59449  Viola sempervirens Kenneth Clark 1979-3-31 2 Humboldt 0.7 mi. E of the end of Granite Ave., Arcata 46 Comment
  HSC100699  Vitis californica Carl C. Marshall Jun 1886 313 Humboldt Hoopa. Comment
  UCD16884  Vitis californica H. Olmo 1934-9-30 s.n. Humboldt California. Humboldt County: on highway near Blue Lake. Comment
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Jun 14 2012
  HSC89549  Vulpia bromoides M. Roantree 1985-5-7 38 Humboldt W side of Trinidad Head, along trail. Comment
  RSA123466  Vulpia bromoides H. S. Yates 1936-6-16 5663 Humboldt 1 miles southwest of Samoa. 6 Comment
  UC1607841  Vulpia bromoides H. E. Parks May 1933 4306 Humboldt Trinidad district, Spruce Cove Comment
  UCD93441  Vulpia bromoides Linda M. Barker 1976-4-30 1398 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET7295259 Image available Vulpia microstachys var. pauciflora Joseph P. Tracy 1942-1 17224 Humboldt Trinity Summit; Ridge top one mile west of Mud Springs 1158 Comment
  UC1145194  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-6-17 14961 Humboldt nw slope Buck Mountain (Burr Valley); , Burr Valley 1066 Comment
  HSC9928  Vulpia myuros H. E. Parks, S. T. Parks Jun 1937 5897 Humboldt Spruce Cove. Trinidad. 61 Comment
  CAS-BOT-BC184731  Vulpia myuros subsp. megalura Joseph P. Tracy 1933-6-13 12598 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's 1066 Comment
  JEPS43494  Whipplea modesta Lincoln Constance 1934-5-31 761 Humboldt along Bull Cr. from w boundary of Park to Grasshopper Pk. (Squaw Crk.) rd. (n side of cr.); South Fork Eel River, Bull Creek Region, Bull Cr. flat Comment
  JEPS49626  Whipplea modesta W. L. Jepson 1932-7-26 16400 Humboldt Bull Creek Comment
  HSC13047  Woodwardia fimbriata Jana Kattenhorn 1970-10-24 122 Humboldt H.S.C. Campus, Arcata, N side of building 53 Comment
  BLMAR681  Wyethia angustifolia Jennifer Wheeler 2013-6-25 681 Humboldt Humboldt County, Mattole Road, north side of Capetown 202 Comment
  UCR40033  Wyethia angustifolia Kenneth Clark 1981-5-24 1393 Humboldt North Coast, Abalone Point, 'Point Delgada Q. 15 Comment
  UC165897  Wyethia angustifolia Joseph P. Tracy 1911-7-6 3352 Humboldt along road between three creeks and mouth Willow Creek; Northern Coast Ranges, Willow Creek 762 Comment
  UC302181  Wyethia angustifolia Joseph P. Tracy 1926-6-6 7577 Humboldt in open forest on road w from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC535716  Xanthium strumarium Eleanor Armstrong 1934-8-2 1135 Humboldt Richardson Grove 121 Comment
  RSA46831  Xanthium strumarium Doris K. Kildale 1926-8-8 2467 Humboldt River [Rav?] - Bull Creek. Comment
  HSC15736  Xerophyllum tenax D. E. Anderson 1965-6-1 3774 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  UC1198220  Xerophyllum tenax Joseph P. Tracy 1937-8-12 15630 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC527078  Xerophyllum tenax Volney Rattan 1903-1-1 s.n. Humboldt Near Mad River Bridge Comment
  UC20894  Yabea microcarpa Harley P. Chandler June, 1901 1315 Humboldt Hupa Indian Reservation; North Coast Ranges 152 Comment
  HSC40300  Zigadenus micranthus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2901 Humboldt Along ridge N of Bear Creek 1463 Comment
  CDA866  Zostera japonica Gordon Leppig 2002-7-8 1782 Humboldt Indian Island, SW shore, mid-intertidal zone, +1.2 MLW. 0 Comment
  UC398875  Zostera marina H. E. Parks 1923-11-12 Humboldt Eureka Comment
  RSA684208  Zostera marina R. Setzer 1972-7-29 6992 Humboldt Buhne Point; Humboldt Bay near Eureka. 0 Comment



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