Search Results — 2000 specimen records retrieved (1362 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC502913  Abies concolor Joseph P. Tracy 1927-6-12 8144 Humboldt Horse Mountain 1524 Comment
  HSC1343  Abies grandis Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC89414  Abies grandis P. A. Daly 1986-3-12 92 Humboldt Trinidad Head, along trail 61 Comment
  HSC26920  Abronia latifolia Brad Klipfel 1973-7-30 217 Humboldt Near Samoa Comment
  RSA0025871  Abronia umbellata T. S. Elias, Barbara A. Elias 1987-8-24 10622 Humboldt Prairie Creek Redwoods State Park, Gold Bluffs Beach. Comment
  HSC27877  Acer circinatum Clifton Raymond Chesbrough 1973-6-19 75 Humboldt 0.25 mi. from Harris and T Sts. on U St. Comment
  UC668176  Acer circinatum Joseph P. Tracy 1935-5-26 13911 Humboldt Lawrence Creek at crossing of the Kneeland Road; Lawrence Creek 457 Comment
  HSC37367  Acer macrophyllum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 501 Humboldt Along Lost Man Creek. 38 Comment
  UC179927  Acer macrophyllum Joseph P. Tracy 1914-7-7 4493 Humboldt in valley of North Fork of Elk River Northern Coast Region, Humboldt Bay, North Fork Elk River (region about Humboldt Bay) 0 Comment
  UC535717  Acer macrophyllum Eleanor Armstrong 1934-7-21 1134 Humboldt Richardson Grove , along river, e bank (along river, e bank) 121 Comment
  SEINET9350229 Image available Acer macrophyllum Frederick Utech, Knight, Walter; Knight Irja 1984-4-20 84 -175 Humboldt Humboldt County; Ca. 0.4 mi S towards Redcrest on Avenue of Giants from junction with US hwy 101. Trees to 20 ft.; along edge of Redwood Forest Association. Elev: 50 ft Herbarium, Carnegie Museum (CM), Pittsburgh, PA. 15 Comment
  CAS-BOT-BC28590  Achillea millefolium Ira L. Wiggins 1940-7-10 9485 Humboldt Big Lagoon 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
  HSC58064  Achillea millefolium G. L. Clifton, Griswold 1979-8-1 11941 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC73585  Achillea millefolium Gail Newton 1980-7-14 1495 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC73648  Achillea millefolium M. A. Baker 1980-7-22 3117 Humboldt Near Grogan Hole. 1676 Comment
  SBBG52982  Achillea millefolium J. D. Hobson -Jul-1966 Humboldt Eureka Harbor, Loleta, 10 mi S of Eureka Comment
  UC1222918  Achillea millefolium Joseph P. Tracy 1941-8-24 17044 Humboldt near, McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC28583  Achillea millefolium J. Clausen 1949-6-22 2158 Humboldt 4 miles S of Scotia on redwood Highway in border of redwood forest near Eel River Comment
  UC1222923  Achillea millefolium Joseph P. Tracy 1950-7-31 19240 Humboldt at the look-out station, top of mountain Grouse Mountain 1524 Comment
  UC203890  Achlys californica Joseph P. Tracy 1918-5-28 4951 Humboldt High Prairie on Bald Mt. Northern Coast Ranges, Bald Mt. 1066 Comment
  UC1445424 Image available Achlys californica Ichiro Fukuda and Herbert G. Baker 1963-8-23 Humboldt at Pesula road Humboldt Redwoods State Park 60 Comment
  HSC56446  Achlys triphylla Griswold, Butler 1979-7-12 7196 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  SD42586  Achlys triphylla subsp. triphylla Carl B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 miles above Bridgeville on grade to Dinsmores 455 Comment
  CAS-BOT-BC210651  Achnatherum lemmonii Joseph P. Tracy 1933-7-25 12849 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC210652  Achnatherum lemmonii Joseph P. Tracy 1933-5-20 12247 Humboldt Mattole Valley 152 Comment
  UC1145039  Achnatherum lemmonii Joseph P. Tracy 1938-6-17 15968 Humboldt on road from Bull Creek to Upper Mattole (Panther Gap); Panther Gap 822 Comment
  UC180228  Achnatherum lemmonii Joseph P. Tracy 1913-5-4 4047 Humboldt Kneeland Prairie North Coast Ranges, Kneeland Prairie 762 Comment
  UCD50697  Achnatherum lemmonii A. H. Murphy 1947-6-25 s.n. Humboldt Lassic Peak Road, northeast of Blockburg. Humboldt County, California. Comment
  UCD55568  Achnatherum lemmonii W. Robert Powell 1958-7-10 s.n. Humboldt 6 miles northeast of Lord Ellis Summit. 1158 Comment
  HSC98308  Acmispon micranthus D. B. Bader 1963-3-1 22 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  HSC44598  Aconitum columbianum subsp. columbianum Brad Klipfel 1973-7-15 193 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  POM312840  Acorus calamus Malcolm A. Nobs, S. Galen Smith 1949-8-9 1242 Humboldt Marshy pond on south side of the town of Blue Lake. Comment
  BLMAR360  Actaea rubra Clara Sander 2003-7-7 360 Humboldt King range, Roadside 18 Comment
  HSC37338  Adenocaulon bicolor Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 486 Humboldt Along Lost Man Creek. 38 Comment
  HSC4590  Adenocaulon bicolor D. E. Anderson 1961-9-23 1831 Humboldt 2.3 mi. S of Kneeland corner Comment
  HSC76187  Adenocaulon bicolor Overton, Butler 1979-7-24 9785 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC4589  Adenocaulon bicolor Paul Shields Jun 1955 Humboldt 2 miles S. Weott Comment
  HSC41273  Adiantum aleuticum Brad Klipfel 1974-6-25 421 Humboldt Horse Mtn. Comment
  HSC952  Adiantum aleuticum C. B. Wolf 1927-8-28 1170 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  UC62739  Adiantum aleuticum P. E. Goddard 1901-7-12 74 Humboldt Hupa Comment
  RSA458173  Aesculus californica Charlotte M. Hoak 1931-07 s.n. Humboldt Alton. Comment
  UC1239672  Agastache urticifolia Joseph P. Tracy 1934-7-18 13445 Humboldt Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC5642  Ageratina occidentalis J. P. Tracy 1922-7-15 6101 Humboldt Along Mad River, near Blue Lake Comment
  UC1173668  Ageratina occidentalis Joseph P. Tracy 1939-8-5 16388 Humboldt along Van Duzen River, opposite Black Mt.; Van Duzen River 737 Comment
  HSC75954  Agoseris grandiflora Overton, Butler 1979-7-24 9734 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  HSC4597  Agoseris grandiflora John Johnson 1962-8-17 1004 Humboldt Samoa Peninsula; Lanpher Ranch Comment
  UC1222886  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt n end Garberville Comment
  CAS-BOT-BC15343  Agoseris heterophylla Alice Eastwood; John Thomas Howell 1937-6-23 4810 Humboldt Little Van Duzen River Comment
  UC1222765  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1950-8-4 19258 Humboldt at, (in Bull Creek State Park at head of Canoe Creek) Grasshopper Peak; Canoe Creek, Bull Creek State Park Comment
  UC582745  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 D Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  UC1239512  Agoseris hirsuta Joseph P. Tracy 1936-6-9 14885 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 457 Comment
  RSA249387  Agoseris retrorsa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5586 Humboldt Mt. Lassic and 2 smaller peaks to immediate E. 1768 Comment
  UC1222768  Agoseris retrorsa Joseph P. Tracy 1950-7-9 19030 Humboldt at, 3 mi s of Burr Valley Sproston's Place 1066 Comment
  UC1103369  Agrostis alba J. P. Tracy 1900-9-2 934 Humboldt immediate vicinity Eureka 0 Comment
  UC186910  Agrostis alba Joseph P. Tracy 1907-7-20 2589 Humboldt ocean beach of Humboldt Bay; Northern Coast Region Comment
  SACT000115  Agrostis alba var. palustris D. Shillingbury 1963-5-11 Humboldt salt or brackish marshes along the coast. bog edge Comment
  CAS-BOT-BC127278  Agrostis exarata Joseph P. Tracy 1902-7-4 1757 Humboldt Northern Coast Region. Eureka. 60 Comment
  JEPS75411  Agrostis exarata W. L. Jepson 1932-7-24 16380 Humboldt near Camp Grant; Eel River 91 Comment
  UC1103387  Agrostis exarata Joseph P. Tracy 1927-6-19 8192 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UCD52344  Agrostis exarata P. B. Kennedy 1923-8-5 s.n. Humboldt Eel River, west fork, between Phillipsville and Garberville. Comment
  HSC58752  Agrostis gigantea Overton, Butler 1979-7-24 9620 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  UC33734  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5723 Humboldt Supply Creek Comment
  UC576314  Agrostis hallii H. S. Yates 1936-6-17 5698 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad., lower nw slope Buck Mountain 792 Comment
  OBI22534  Agrostis idahoensis Joseph P. Tracy 1941-8-24 17039 Humboldt South Fork Mtn Comment
  SBBG53087  Agrostis longiligula R. N. Philbrick, J. R. Haller 1976-6-25 7 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CAS-BOT-BC138636  Agrostis stolonifera Carl B. Wolf 1927-8-28 1189 Humboldt Eureka Bay, on the road to Arcata. Comment
  HSC8811  Agrostis stolonifera D. J. McVean 1965-4-13 17 Humboldt 900 block of Shirley Blvd. Arcata Comment
  UCD53476  Agrostis stolonifera var. maritima P. B. Kennedy 1925-8-29 s.n. Humboldt Eureka. Comment
  HSC74428  Aira caryophyllea Gail Newton 1980-8-10 2058 Humboldt Near Blake Mountain 1707 Comment
  HSC96238  Aira caryophyllea Sara March, Gillian Levy 2005-6-8 3 Humboldt 1.4 mi S of Hwy. 299 on Titlow Hill Rd. 980 Comment
  RSA44452  Aira caryophyllea Henry M. Pollard 1948-7-18 s.n. Humboldt Orleans Comment
  UC1103301  Aira caryophyllea Joseph P. Tracy 1914-5-14 4439 Humboldt Fort Seward Northern Coast Ranges Comment
  UC1541534  Aira caryophyllea Harold E. Parks May 1934 4946 Humboldt Spruce Cove Trinidad 91 Comment
  HSC2886  Alisma triviale Rollin Sparrowe 1962-5-16 23 Humboldt S of road Comment
  UC249547  Allium amplectens Joseph P. Tracy 1921-6-12 5813 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC42389  Allium amplectens Dale McNeal 1977-6-6 2046 Humboldt Beside the Bridgeville-Kneeland Rd., 9.4 mi. N of Bridgeville Comment
  CDA43227  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy 101 ca. 1.0 miles west of Orick. 0 Comment
  SEINET4208044  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy. 101 ca 1.0 miles west of Orick.; 0 4 Comment
  CAS-BOT-BC476603  Allium unifolium Mrs. A. W. Kildale 1925-6-1 s.n. Humboldt near Korbel (?) Comment
  HSC41327  Allotropa virgata Brad W. Klipfel 1974-8-2 513 Humboldt Horse Mtn. Comment
  UC502990  Alnus incana subsp. tenuifolia Joseph P. Tracy 1927-8-22 8335 Humboldt in meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC169539  Alnus rubra Carl B. Wolf 1931-8-28 2365 Humboldt Road-cut slope, Redwood Highway, 4 1/2 miles N of Fortuna on road to Eureka 15 Comment
  CAS-BOT-BC169548  Alnus rubra H. E. Parks; S. T. Parks 1938-4-1 24126 Humboldt Spruce Cove, Trinidad 60 Comment
  HSC12852  Alnus rubra C. E. Fellows 1970-11-28 318 Humboldt Arcata, HSC Campus, SW of science building Comment
  HSC3392  Alnus rubra Eugene Andreuccetti 1964-4-2 33 Humboldt 3 mi. N of Tish Tang Ranger Station on Hwy. 96 along Trinity River Comment
  HSC3396  Alnus rubra Dan O'Brien 1962-5-19 Humboldt 4.5 mi. E on Fickle Hill Rd. Comment
  POM160842  Alnus viridis subsp. sinuata Joseph P. Tracy 1919-9-18 5241 Humboldt Trinity Summit. 1829 Comment
  UC1103309  Alopecurus aequalis Joseph P. Tracy 1923-6-27 6381 Humboldt near the S. Fork Trinity R. Valley (shores of Lack Pond); Northern Coast Ranges, , Lack Pond 182 Comment
  SACT000308  Alopecurus geniculatus Malcolm Nobs, S. Smith 1949-8-3 Humboldt located on borders of irrigation ditch, 1 mile south of fields landing Comment
  UC1103312  Alopecurus geniculatus Joseph P. Tracy 1933-7-20 12802 Humboldt Arcata <Bottom> North Coast Ranges, Arcata <Bottom> 15 Comment
  UC677555  Alopecurus saccatus A. A. Beetle with Stebbins and Tracy May 1942 3464 Humboldt 1 mi. e. Alton Comment
  UC1222884  Ambrosia artemisiifolia Joseph P. Tracy 1950-9-22 19379 Humboldt 3 mi sw Orleans Comment
  HSC5663  Ambrosia chamissonis D. E. Anderson 1961-9-2 1771 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  SEINET7014139  Ambrosia chamissonis R. Mastrogiuseppe, J. Mastrogiuseppe 1983-7-16 3491 Humboldt Dunes near Dry Lagoon. Comment
  UCD170774  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. Between ocean and Big Lagoon. 2 Comment
  SEINET200733  Amelanchier alnifolia H. P. Chandler 1282 Humboldt Hoopa Valley IR ; Hupa [Hoopa Valley] Indian Reservation 1097 Comment
  CAS-BOT-BC142891  Amelanchier alnifolia var. semiintegrifolia J. P. Tracy 1909-5-2 2953 Humboldt Near Eureka 152 Comment
  CAS-BOT-BC142892  Amelanchier alnifolia var. semiintegrifolia Harley P. Chandler 1901-6-1 1282 Humboldt Hupa Indian Reservation 1097 Comment
  HSC48400  Amelanchier alnifolia var. semiintegrifolia Brad Klipfel 1973-6-10 87 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55618  Amelanchier pallida Overton, Butler 1979-7-23 9521 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  CHSC68510  Ammophila arenaria Vernon H. Oswald 1997-4-10 8317 Humboldt Clam Beach between Arcata and Trinidad. 30 Comment
  HSC46959  Ammophila arenaria J. P. Smith, Thomas W. Nelson 1977-6-30 9201 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  UC54750 Image available Amsinckia intermedia Mrs. M. H. Manning 1901-1 156 Humboldt near Hupa; ; near Hupa Comment
  HSC100934  Amsinckia intermedia Miss Handy Jun 1886 342 Humboldt Maple Cr. & Salmon Cr. Comment
  HSC3519  Amsinckia intermedia J. W. Johnson 1962-4-21 1286 Humboldt Arcata; William Lanphere Farm about building Comment
  UC1239645  Amsinckia intermedia Joseph P. Tracy 1927-5-8 7990 Humboldt Garberville; Northern Coast Ranges 121 Comment
  UC1123227  Anagallis arvensis H. L. Person 1932-8-1 Humboldt Korbel Eureka Quad., Korbel Comment
  HSC17825  Anagallis arvensis Francis Winter 1960-4-24 Humboldt 1 mi. N of Redwood Creek Ranch 396 Comment
  HSC79547  Anagallis arvensis Kenneth Clark 1980-4-18 572 Humboldt 300 yds. E of Dead Man's Gulch; widespread through Shelter Cove 5 Comment
  CAS-BOT-BC45132  Anaphalis margaritacea Carl B. Wolf 1927-8-30 1230 Humboldt 2 miles S of Petrolia on Matole River near point where road crosses river Comment
  CAS-BOT-BC391785  Anemone deltoidea Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4 1/2 miles east of Orick Comment
  HSC34275  Anemone deltoidea K. Irwin 1975-8-13 Humboldt N Trinity Mtn. area below Mill Creek Lakes Comment
  UC1196197  Anemone deltoidea Joseph P. Tracy 1935-7-28 14309 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  HSC18007  Anemone deltoidea J. F. Knezevich 1968-5-13 427 Humboldt Near Arcata above Freshwater Forest Comment
  UC503035  Anemone deltoidea Joseph P. Tracy Jul 16 1930-Jul 19 1930 8964 Humboldt near McKay Camp; North Coast Ranges, South Fork Mtn 1676 Comment
  HSC41236  Anemone oregana var. oregana Brad Klipfel 1974-5-8 327 Humboldt Horse Mtn., to the NW below the towers Comment
  RSA246846  Angelica lucida R. F. Thorne, P. Everett 1965-8-9 35337 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  HSC70683  Angelica tomentosa T. A. Ranker Jul 1980 131 Humboldt Along Hwy 36, 36.7 mi E of junction with Hwy 101 Comment
  SEINET13943409 Image available Angelica tomentosa W. A. Weber 1964-1 12204 Humboldt Mountain grade between summit of ridge separating Redwood Creek from Hoopa Valley, a few miles west of Hoopa Comment
  UC906655  Angelica tomentosa Joseph P. Tracy 1949-8-26 18528 Humboldt 3 mi s of Grizzly Camp (Trinity Summit); Trinity Summit 1463 Comment
  RSA167202  Antennaria suffrutescens Joseph P. Tracy 1947-7-9 17864 Humboldt Horse Mountain 1432 Comment
  UC1199432  Antennaria suffrutescens Joseph P. Tracy 1934-6-14 13216 Humboldt Horse Mountain 1432 Comment
  HSC40341  Anthoxanthum odoratum Linda M. Barker 1976-4-30 1402 Humboldt 3 mi. W of Arcata Comment
  HSC45641  Anthoxanthum odoratum Diane L. Reed 1978-4-22 33 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  UC1100219  Anthoxanthum odoratum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1193 Humboldt at southern outskirts of Eureka Eureka Comment
  UC1012378  Antirrhinum vexillocalyculatum subsp. breweri Francis W. Pennell Jul 5 1940-Jul 6 1940 26077 Humboldt 2 to 3 mi s Miranda (Route 101, along Eel River); Eel River 91 Comment
  JEPS49817  Apocynum cannabinum Joseph P. Tracy 1932-6-14 10148 Humboldt Trinity R. Valley, at Willow Creek Trinity R. Valley, Willow Creek 152 Comment
  HSC31555  Aquilegia formosa Glenn McGourty 1974-5-11 45 Humboldt Along Maple Creek Rd. Comment
  HSC35591  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2002 Humboldt At French Camp, Bald Hills Comment
  RSA668408  Aquilegia formosa Thomas W. Stark 1967-7-24 100 Humboldt 1/4 mile W of rt 101, 3 miles N of Trinidad Head. 91 Comment
  HSC18041  Aquilegia formosa var. formosa N. D. Dennis 1965-5-8 57 Humboldt 2.5mi N of Willow Creek Comment
  POM118664  Aquilegia formosa var. truncata Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville. Comment
  UC1222664  Arabidopsis thaliana Joseph P. Tracy 1950-4-23 18637 1/2 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  HSC70689  Arabis breweri var. breweri Gail Newton 1980-7-15 1568 Humboldt Near Sims Mtn. 1311 Comment
  HSC76368  Arabis breweri var. breweri Denis Kearns 1981-7-21 293 Humboldt Near Whiteys Peak 1585 Comment
  HSC32848  Arabis glabra Thomas W. Nelson, James Nelson 1973-5-28 944 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC56440  Arabis glabra Griswold, Butler 1979-7-12 7172 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC162637  Arabis glabra Harley P. Chandler Jun 1901 1337 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC1198307  Arabis glabra Joseph P. Tracy 1911-7-12 3522 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC57630  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-25 10778 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  RSA46724  Aralia californica Doris K. Kildale 1936-10-3 15099 Humboldt Willow Creek Comment
  CAS-BOT-BC128651  Arbutus menziesii Doris K. Kildale; L. B. Kildale 1930-4-13 9574 Humboldt Bridgeville 289 Comment
  HSC31496  Arbutus menziesii Steve Selva, Roger Jensen 1974-8-27 87 Humboldt Hwy 299 ca. 1.0 mi. E of Blue Lake Comment
  HSC74651  Arbutus menziesii M. A. Baker 1980-5-17 1235 Humboldt Near Le Perron Peak 792 Comment
  UC915722  Arbutus menziesii W. L. Jepson 1903-6-23 50 Humboldt near Briceland Comment
  JEPS38981  Arctostaphylos bakeri subsp. bakeri Joseph P. Tracy 1935-6-23 13991 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
Read comments
Mar 7 2007
  CAS-BOT-BC24093  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1937-9-13 9335 Humboldt North Coast range Horse Mt. 1524 Comment
  CAS-BOT-BC25211  Arctostaphylos canescens subsp. canescens J. P. Tracy 1927-5-15 8058 Humboldt Hoopa Mountain. On road W from Hoopa Valley Comment
  BLMAR112  Arctostaphylos columbiana Jennifer Anthony-Wheeler 1995-1-19 112 Humboldt King range, growing in open meadow/clearing for new KR admin site 283 Comment
Read comments
Apr 5 2016
  CAS-BOT-BC23728  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23731  Arctostaphylos columbiana B. A. Stein 1981-11-1 567 Humboldt US Hwy 101 2 miles north of Patrick Poing 60 Comment
  CAS-BOT-BC23744  Arctostaphylos columbiana Carl B. Wolf 1930-10-29 1040 Humboldt Old coast road, 7 miles so. of Honeydew 304 Comment
  CAS-BOT-BC23771  Arctostaphylos columbiana Joseph P. Tracy 1945-3-30 17497 Humboldt Eureka 45 Comment
  CAS-BOT-BC23797  Arctostaphylos columbiana H. E. Parks 1931-12-1 4950 Humboldt Hobson's, Trinidad 60 Comment
  CAS-BOT-BC23814  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Berry Mt. betweein Redwood Creek and Trinity River. Comment
  CAS-BOT-BC23824  Arctostaphylos columbiana Doris K. Kildale 1927-6-25 3583 Humboldt Near Ettersburg Comment
  HSC7722  Arctostaphylos columbiana H. E. Parks Feb 1934 4774 Humboldt Spruce Cove, Trinidad Comment
  JEPS38945  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13152 Humboldt French Camp Ridge 1066 Comment
  SBBG58410  Arctostaphylos columbiana H. E. Parks -Dec-1931 4950 Humboldt Hobson's, Trinidad 60 Comment
  UC176958  Arctostaphylos columbiana Joseph P. Tracy 1912-7-25 3816 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC585920  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  SEINET11995489  Arctostaphylos columbiana W. Knight, Knight, I. 1988-1 6363 Humboldt Bald Hill Rd about 21.5 mi from US 101 en route to Hoopa 930 Comment
  RSA47098  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1926-2-7 1504 Humboldt Arcata Road near Bayside. Comment
  RSA31954  Arctostaphylos columbiana var. tracyi A. A. Heller 1937-6-12 15918 Humboldt Along the road parallelling the ocean at Bishop ine Lodge, 3 miles north of Trinidad. Comment
  UCSB11320  Arctostaphylos glandulosa Zinke, P. 1950-10-9 Humboldt King Peak 1280 Comment
  SEINET11984826  Arctostaphylos glandulosa Unknown 1965-1 542 Humboldt on USAL Road, 1 mi N of junction of Four Corners Comment
  POM286175  Arctostaphylos glandulosa subsp. cushingiana Lyman Benson 1929-7-19 1592 Humboldt Dyerville to Matole River. Comment
  RSA632788  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27792 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA632804  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27796 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA632806  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27793 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA632810  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27777 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  CAS-BOT-BC24327  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1922-7-1 327 Humboldt 2 mi. from ranger station at bridge on road to Red Bluff from Eureka. Comment
  UC1198679  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1937-7-11 15417 Humboldt vicinity of Garberville 121 Comment
  UC32687  Arctostaphylos manzanita subsp. manzanita Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  HSC7656  Arctostaphylos nevadensis J. Pursell 1964-10-17 10173 Humboldt Road to Box Camp in Hoopa Valley Comment
  JEPS38953  Arctostaphylos nevadensis Joseph P. Tracy 1927-5-15 8059 Humboldt on road w from Hoopa Valley Hoopa Mt. 914 Comment
  UC1173710  Arctostaphylos nevadensis Joseph P. Tracy 1939-8-16 16405 Humboldt Horse Mountain 1432 Comment
  UCD52856  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1179 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road (from Orick); French Camp Ridge. Comment
  CAS-BOT-BC46630  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16419 Humboldt Grouse Mountain. 1524 Comment
  UCD53433  Arctostaphylos patula A. E. Wieslander 1931-5-19 199 Humboldt Near Orleans. Comment
  CAS-BOT-BC43986  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17498 Humboldt Eureka 45 Comment
  HSC7726  Arctostaphylos uva-ursi J. W. Johnson 1962-3-31 1196 Humboldt Ridge 8, W.M. Lanphere Farm, Samoa Peninsula, Arcata Comment
  POM212078  Arctostaphylos uva-ursi C. B. Wolf 1930-10-28 1035 Humboldt Samoa. 15 Comment
  UC1225933  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17502 Humboldt Eureka 45 Comment
  HSC76328  Arctostaphylos viscida Denis Kearns 1981-7-6 52 Humboldt Near Mosquito Lake 1122 Comment
  SD42237  Arenaria douglasii Carl B. Wolf 1937-6-14 8822 Humboldt North Coast Range, Kneeland Prairie. 819 Comment
  HSC100936  Arenaria douglasii Miss Handy Jun 1886 338 Humboldt Dry hills, Maple Cr. Comment
  HSC33756  Armeria maritima subsp. californica A. Montalvo 1975-5-24 268 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC67922  Armeria maritima subsp. californica J. P. Smith 1971-10-6 4951 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC44338  Arnica cernua Brad Klipfel 1975-6-17 684 Humboldt Horse Mtn. Comment
  OBI35861  Arnica cordifolia David J. Keil 1983-7-2 17333 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  HSC4693  Arnica discoidea J. P. Tracy 1935-7-23 14154 Humboldt Trinity Summit; lower end of Brett Hole Comment
  HSC73701  Arnica discoidea M. A. Baker 1980-7-23 3142 Humboldt Near Orleans Mtn. 1859 Comment
  JEPS20976  Arnica latifolia Mrs. L. B. Kildale 1926-4-25 Humboldt Sugar Bowl Mt. Trinity River, Sugar Bowl Mt. 457 Comment
  UC153943  Artemisia douglasiana Joseph P. Tracy 1910-9-25 3160 Humboldt on Humboldt Bay 0 Comment
  SEINET8734625 Image available Artemisia pycnocephala H. E. Parks, S. T. Parks 1952-1 24495 Humboldt Samoa Comment
  CAS-BOT-BC97240  Artemisia suksdorfii H. E. Parks 1940-5-1 24178 Humboldt Little River Comment
  HSC39169  Aruncus dioicus var. acuminatus D. E. Anderson, J. P. Smith 1971-6-28 - 1233 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC55680  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-26 9933 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  UC1198117  Asarum caudatum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3618 Humboldt near Hydesville 60 Comment
  UC6184  Asarum caudatum Harley P. Chandler Jun 1901 1478 Humboldt North Coast Ranges, Klamath River 396 Comment
  UCR3539  Asarum caudatum David Whistler, H. M. Whistler 1964-7-31 640731- 8 Humboldt North Coast, at Del Norte county line on US Hwy 101 [between Orick and Klamath] 137 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  UCR111208  Asarum hartwegii D. E. Anderson 1965-5-1 3566 Humboldt Along Hwy 96, 1.9 mi. north of Willow Creek. 162 Comment
  HSC98884  Asclepias speciosa Cara Witte 2007-7-3 406 Humboldt White Oak Opening. 1242 Comment
  UC53317  Aspidotis densa Joseph Burtt Davy 1899-6-19 5631 Humboldt Hoopa Mt Comment
  RSA417645  Aster chilensis M. B. Dunkle 1936-8-18 4811 Humboldt Fortuna Comment
  CAS-BOT-BC27578  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt 4 miles S of Miranda Comment
  HSC92747  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Rd. 500 Comment
  UC1197707  Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten and Pierce Ranch); ; Tosten & Pierce Ranch, near Bear Buttes, S of Miranda, Humboldt Co. 762 Comment
  RSA112182  Astragalus gambelianus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1945-6-16 6822 Humboldt NW of Harris. 884 Comment
  CAS-BOT-BC193141  Astragalus rattanii var. rattanii Volney Rattan 1884-1-1 s.n. Humboldt Big Creek Comment
  RSA138315  Astragalus rattanii var. rattanii Volney Rattan 1882-06 s.n. Humboldt Humboldt Comment
  CAS-BOT-BC200853  Astragalus umbraticus Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC201702  Astragalus umbraticus Volney Rattan 1883-6-27 Humboldt between Three Creeks and Redwood Creek (on the divide); betw Three Creeks and Redwood Creek, on the divide Comment
  HSC99540  Athyrium filix-femina K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 205 Humboldt Near North Trinity Mtn, 11. 5 mi E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD136278  Athyrium filix-femina Lincoln Constance 1934-6-2 785 Humboldt Bull Creek Region, South Fork Eel River. Comment
  UC922659  Athyrium filix-femina var. cyclosorum Annie M. Alexander and Louise Kellogg 1948-9-3 5573 Humboldt near Hoopa Reservation (above Trinity River Rd) Comment
  HSC93956  Atriplex gmelinii var. gmelinii Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh 1 Comment
  UC673039  Atriplex triangularis Harold E. Parks and Joseph P. Tracy 1934-10-13 11152 Humboldt Big Lagoon 3 Comment
  UC526705  Avena barbata Joseph P. Tracy 1926-5-9 7456 Humboldt hills near Bridgeville; North Coast Ranges 609 Comment
  UCD56261  Avena fatua A. H. Murphy 1951-4-2 8 Humboldt Alongside U.S. Hwy. 101. 1/4 mile south of Phillipville. Comment
  HSC36924  Baccharis douglasii Thomas W. Nelson, W. E. Pratt 1975-8-10 2241 Humboldt Along Shively Rd. N of Shively Comment
  HSC66403  Baccharis douglasii Ruby Van Deventer 1960-8-15 Humboldt Myers Flat 122 Comment
  UC204753  Baccharis glutinosa Joseph P. Tracy 1918-9-29 5102 Humboldt 4 mi above the mouth South Fork of Eel River 60 Comment
  CAS-BOT-BC98028  Baccharis pilularis Elmer I. Applegate 1923-9-12 3990 Humboldt Stone Lagoon Comment
  CAS-BOT-BC98031  Baccharis pilularis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC99406  Baccharis pilularis Carl B. Wolf 1927-8-29 1219 Humboldt Seacoast, [Devil's] Devils Gate, south of Cape Mendocino Comment
  UC673091  Baccharis pilularis Joseph P. Tracy 1940-10-17 16765 Humboldt Camp Grant, along Eel River, 2 to 5 mi e of South Fork Eel River 45 Comment
  UCD129526  Balsamorhiza deltoidea James P. Smith 1973-5-5 6416 Humboldt along Cook and Green Pass road. Comment
  HSC48748  Barbarea orthoceras Brad Klipfel 1973-6-10 91 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC127824  Bellis perennis Harley P. Chandler May 1901 1128 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC1198389  Berberis aquifolium var. repens Joseph P. Tracy 1947-7-5 17789 Humboldt ridge top 1 mi w Mud Springs (Trinity Summit) 1158 Comment
  BLMAR655  Berberis nervosa Jennifer Wheeler 2012-5-9 655 Humboldt Lacks Creek, Beaver Ridge Road 914 Comment
  CAS-BOT-BC75682  Berberis nervosa C. B. Wolf 1931-8-29 2372 Humboldt Near summit of Orick Hill on the road to Weitchpec. 304 Comment
  HSC57034  Berberis nervosa Overton, Butler 1979-7-24 9666 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC59564  Berberis nervosa Rick Lundquist 1979-4-22 27 Humboldt 8.4 mi. up Fickle Hill Rd. from 11th St. across from HSU observatory 610 Comment
  HSC74649  Berberis nervosa M. A. Baker 1980-5-17 1207 Humboldt Near Le Perron Peak 792 Comment
  UC1198381  Berberis nervosa Joseph P. Tracy 1926-6-13 7597 Humboldt Liscom Hill road near Blue Lake 152 Comment
  HSC35016  Berberis pinnata Thomas W. Nelson 1975-5-24 1880 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UCD129580  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. From Orleans down the river. 121 Comment
  CAS-BOT-BC66269  Blechnum spicant W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  HSC99625  Blechnum spicant H. S. Logsdon 1964-5-10 14 Humboldt 4 mi. N of Orick at Boye's Prairie Comment
  UCSB51219  Blechnum spicant Almanza, Ed 1976-7-15 Humboldt Big Lagoon Cliffs, Big Lagoon. Comment
  CAS-BOT-BC15802  Boechera acutina Joseph Prince Tracy 1932-7-11 10396 Humboldt Klamath Mountains. Trinity Summit. At Corral Prairie. 1524 Comment
  POM256476  Boisduvalia densiflora Joseph P. Tracy 1938-7-5 16003 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town. 46 Comment
  CAS-BOT-BC31368  Bolboschoenus maritimus Robert F. Thorne; P. Everett 1965-8-7 35213 Humboldt Samoa Peninsula 0 Comment
  CDA5649  Borago officinalis T. C. Fuller 1958-6-17 598 -58 Humboldt Ferndale. 0 Comment
  HSC100314  Botrychium multifidum Lindsey Holm 2011-10-25 Humboldt Van Eck Forest near Fieldbrook. 7 Comment
  HSC96373  Botrychium multifidum Gordon Leppig 1999-10-3 1256 Humboldt Big Lagoon on NE corner of fen 3 Comment
  HSC75263  Boykinia major J. O. Sawyer, M. A. Ericksen 1980-8-18 4057 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC20181  Boykinia occidentalis H. E. Parks, S. T. Parks Jun, Jul 1952 24451 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC76260  Boykinia occidentalis Teresa Prendusi 1981-7-7 119 Humboldt Near Slate Creek Butte. 1158 Comment
  RSA109288  Boykinia occidentalis H. E. Parks, Susan T. Parks 1952-06 24451 Humboldt Spruce Cove, Trinidad. 61 Comment
  CAS-BOT-BC420259  Boykinia occidentalis A. A. Heller 1937-6-11 15893 Humboldt along U.S. Highway #101 between Bishop Pine Lodge and Big Lagoon Comment
  UC11310  Boykinia occidentalis H. N. Bolander June 1867 6529 Humboldt Comment
  CAS-BOT-BC106286  Brickellia californica L. R. Abrams 1927-8-27 12049 Humboldt Rocky river bottom, Eel River, Richardson Grove Comment
  RSA695640  Brickellia californica J. Russell Bruff 1937-8-17 932 Humboldt Richardson Grove, bed of Eel River. Comment
  UC527563  Brickellia californica C. B. Wolf 1931-8-31 Humboldt 1 mi above its mouth South Fork of Trinity River ((Sandy Bar Swimming Hole), South Fork of Trinity River) 243 Comment
  JEPS18754  Brickellia greenei Joseph P. Tracy 1935-7-30 14361 Humboldt Salmon Summit 1767 Comment
  HSC9084  Briza maxima Dennis Anderson 1965-5-8 3626 Humboldt 1 mi. E of Blue Lake on Hwy. 299 Comment
  SBBG122948  Briza maxima D. Wilken with E. Painter 2007-6-4 16739 Humboldt Samoa Dunes, ca. 0.4 km W of US Coast Guard Station, North Spit, Humboldt Bay 5 Comment
  UCD57277  Briza maxima P. B. Kennedy 1929-6-13 s.n. Humboldt Etterburg. Comment
  HSC48476  Briza minor J. P. Smith, J. O. Sawyer, J. Cole 1978-5-21 9931 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  SEINET4344866  Briza minor W. D. Billings 1940-6-22 1347 Humboldt 1/2 mile N. of Trinidad Comment
  UCSB15651  Brodiaea coronaria Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC1197745  Brodiaea elegans subsp. elegans Joseph P. Tracy 1912-6-9 3691 Humboldt Alton Northern Coast Region 30 Comment
  UC303037  Brodiaea elegans subsp. elegans Joseph P. Tracy 1926-6-27 7695 Humboldt Horse Mt. Pass on Trinity Highway North Coast Ranges, Horse Mountain (grassy slopes) 883 Comment
  JEPS5502  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  JEPS514  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1933-5-20 12249 Humboldt 1 mi. w. Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  CAS-BOT-BC484614  Brodiaea terrestris subsp. terrestris D. E. Breedlove 1962-6-7 3038 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC81940  Brodiaea terrestris subsp. terrestris D. H. Norris 1985-5-30 Humboldt Near Whitethorn Comment
  HSC98129  Bromus carinatus var. carinatus Cara Witte 2007-6-28 391 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  CAS-BOT-BC149160  Bromus carinatus var. marginatus Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mountain. 1524 Comment
  UC249501  Bromus carinatus var. maritimus Joseph P. Tracy 1922-5-28 6054 Humboldt Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  HSC9284  Bromus diandrus R. V. Papike 1962-5-25 33 Humboldt Arcata 91 Comment
  UC1103358  Bromus diandrus Joseph P. Tracy 1919-5-31 5158 Humboldt near Willow Creek (w side of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  UC1714488  Bromus diandrus Joseph P. Tracy 1916-5-31 4702 Humboldt along Eel River from South Fork to Scotia, Stitz Creek Stitz Creek; Northern Coast Ranges, Eel River, Stitz Creek 60 Comment
  HSC90691  Bromus hordeaceus Gail Newton 1982-5-31 3555 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA126903  Bromus hordeaceus H. S. Yates 1936-6-17 5716 Humboldt Near Burr valley; South Fork Pk. 915 Comment
  UC526925  Bromus hordeaceus Joseph P. Tracy 1933-6-25 12622 Humboldt 2 to 5 mi e of South Fork Eel River (along Eel River, Camp Grant); Eel River, Camp Grant 45 Comment
  HSC70478  Bromus laevipes Gail Newton 1980-7-20 1634 Humboldt Near Bell Swamps 1426 Comment
  HSC9265  Bromus racemosus E. W. Styskel 1964-5-7 78 Humboldt 2 mi. S of Samoa near Samoa Rd. Comment
  OBI22448  Bromus sitchensis Joseph P. Tracy 1937-5-31 15318 Humboldt Trinity River Valley, at Willow Crk Comment
  CAS-BOT-BC161605  Bromus sterilis Joseph P. Tracy 1933-6-13 12601 Humboldt North Coast Ranges. Bair's Ranch on Redwood Creek. 914 Comment
  CDA1852  Bromus vulgaris E. C. Whitney 1976-6-1 Humboldt Redcrest. 0 Comment
  HSC103973  Cakile maritima C. Reynolds 2015-3-16 18 Humboldt Along Freshwater Beach, due south of the Kuchel Visitor Center 1 Comment
  UC1198279  Cakile maritima Joseph P. Tracy 1946-1-13 17517 Humboldt Centerville Beach 3 Comment
  RSA647567  Cakile maritima var. maritima William Gilbert 1970-6-3 s.n. Humboldt 101 Hwy, 10 miles S [of] Klamath River. Comment
  HSC79357  Calamagrostis foliosa Kenneth Clark 1980-5-10 641 Humboldt Shelter Cove, 5' above mean high tide, E facing coastal bluff Comment
  HSC76546  Calamagrostis koelerioides Teresa Prendusi 1981-7-21 282 Humboldt Near Whiteys Peak 1646 Comment
  UC1145050  Calamagrostis koelerioides Joseph P. Tracy 1936-7-26 15050 Humboldt Willow Creek Canyon; along Trinity Hwy 457 Comment
  UC552721  Calamagrostis koelerioides Joseph P. Tracy 1935-7-30 14371 Humboldt Salmon Summit 2011 Comment
  UCD57329  Calamagrostis koelerioides Joseph P. Tracy 1936-7-26 15050 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  POM203700  Calamagrostis nutkaensis I. L. Wiggins 1932-7-25 5898 Humboldt Roadside near McKinleyville. Comment
  UCD57530  Calamagrostis nutkaensis R. M. Love 1949-9-1 s.n. Humboldt between Ferndale and Capetown. Comment
  HSC100604  Calandrinia menziesii Carl C. Marshall Jun 1887 472 Humboldt Throughout Humboldt County. Comment
  UC1922744  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, P. Everett 1965-8-9 35345 Humboldt Along Hwy. 101 about 3 mi. N or Eureka. Comment
  CAS-BOT-BC80391  Calocedrus decurrens Doris K. Kildale 1928-10-7 6750 Humboldt Trinity River at Willow Creek Flat 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
  HSC70641  Calocedrus decurrens R. York 1980-5-18 592 Humboldt Near Black Mountain 792 Comment
  HSC15342  Calochortus tolmiei Elrid H. Spinas 1948-6-16 58 Humboldt Horse Mtn. Comment
  HSC96227  Calochortus tolmiei M. Lindquist, C. Riley 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on NF 1 1205 Comment
  UC175806  Calochortus tolmiei Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3621 Humboldt near Hydesville (between Alton and Burnells); Northern Coast Region 30 Comment
  HSC34909  Calochortus tolmiei Thomas W. Nelson 1975-5-27 1883 Humboldt Beside Petrolia-Ferndale Rd., 5 mi. S of Ferndale Comment
  RSA54144  Calycadenia ciliosa H. M. Pollard 1946-8-28 s.n. Humboldt Near Summit of Orleans Mt. 1829 Comment
  UC405402  Calycadenia truncata Chesnut and Drew 1888-7-28 Humboldt Comment
  UC1196477  Calypso bulbosa Joseph P. Tracy 1942-6-23 17241 Humboldt near Box Camp (Trinity Summit); Trinity Summit 1524 Comment
  HSC59490  Calypso bulbosa M. A. Ericksen 1979-4-28 219 Humboldt Roadside leading to Camp Bouer, Korbel. Comment
  HSC102120  Calyptridium monospermum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1024 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1368471  Calyptridium monospermum R. K. Gierisch and D. H. Esplin 1969-1-7 3528 Humboldt Grouse Mountain; Six Rivers Forest, Grouse Mountain 1584 Comment
  HSC32545  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 1973-7-10 1030 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  HSC40007  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson, Jane Nelson 1976-7-1 2903 Humboldt Along ridge N of Bear Creek 1463 Comment
  UC141691  Calystegia occidentalis subsp. occidentalis T. S. Brandegee Humboldt Dutch Flat Comment
  UC162767  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1911-7-6 3342 Humboldt mountain slopes along road between Three Creeks and Mouth Willow Creek; Northern Coast Ranges, btwn Three Creeks and Willow Creek 762 Comment
  SEINET200995  Calystegia polymorpha Joseph P. Tracy 1937-7-24 15531 Humboldt Trinity Summit head of Little Hors-Linto Creek. 1372 Comment
  HSC46384  Calystegia silvatica subsp. disjuncta Catherine Chin 1978-8-19 107 Humboldt 11th and B St., Arcata Comment
  RSA34296  Calystegia soldanella J. Wendell Howe 1933-5-23 s.n. Humboldt Samoa Comment
  RSA71112  Calystegia soldanella F. W. Peirson 1923-7-11 3805 Humboldt 18 miles north of Eureka Comment
  UCD126159  Calystegia soldanella Linda M. Barker 1976-6-1 1559 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET3991741  Camassia leichtlinii Unknown 1947-6-26 Humboldt South Fork Mtn. Comment
  SEINET3991740  Camassia quamash Unknown 1947-5-3 Humboldt Kneeland Praire Comment
  UC1225830  Camassia quamash Joseph P. Tracy 1947-5-3 17686 Humboldt Kneeland Prairie 762 Comment
  UC146192  Camassia quamash subsp. quamash J. P. Tracy 1906-4-29 2028 Humboldt s slope of Humboldt Hill near Field's Landing; Humboldt Hill 30 Comment
  HSC99216  Camissonia cheiranthifolia Linda M. Barker 1976-5-13 1492 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  HSC40377  Camissonia strigulosa Linda M. Barker 1976-4-30 1406 Humboldt 3 mi. W of Arcata Comment
  UC179967  Campanula prenanthoides Joseph P. Tracy 1914-9-6 4623 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1066 Comment
  POM225298  Campanula prenanthoides P. A. Munz 1936-8-10 14338 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  SEINET10462895  Campanula prenanthoides Anderson 1962-7-17 Anderson 2273 Humboldt CAMP BAUER, CA. .25 MI E OF KORBEL ON N FORK MAD R. Comment
  SEINET10840309  Campanula prenanthoides Lincoln Constance 1934-6-11 Constance 854 Humboldt HUMBOLDT REDWOOD PARK ABOVE RD OPP. MOUTH BULL CR., DRY S BANK ABOVE RD 250 Comment
  SEINET10873253  Campanula prenanthoides Kildale 1926-6-27 KILDALE 2189 Humboldt Sweasey Lake, McClellan Mountain 823 Comment
  SEINET10873257  Campanula prenanthoides Etienne 1972-9-4 Etienne s.n. Humboldt Lumber road to Klamath River, about 8 miles inland and 1 mile north of the Humboldt County line 30 Comment
  SEINET10939028  Campanula prenanthoides Klipfel 1974-7-23 KLIPFEL 467 Humboldt Horse Mountain, at junction of a draw and the saddle of the ridge. T6N R4E Sec. 27 SW 1/4 Comment
  SEINET10972394  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt Hoopa Valley Comment
  HSC56968  Campanula scouleri Overton , Butler 1979-7-23 9497 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC58014  Campanula scouleri G. L. Clifton 1979-7-31 11815 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  POM193020  Campanula scouleri M. H. Manning 1901-07 s.n. Humboldt Near Hupa Comment
  SD61053  Campanula scouleri Darley F. Howe 1964-8-7 3944 Humboldt 8.2 miles from Highway 96 on Mill Creek Road; Hoopa Valley. 1064 Comment
  SEINET10463479  Campanula scouleri Manning MANNING [ 305 ] Humboldt Near Hupa (Bald Hills). 457 Comment
  CAS-BOT-BC37425  Cardamine californica Doris K. Kildale 1929-4-27 7444 Humboldt Lord Ellis road near Bald Mountain junction. (road to Willow Creek). Comment
  HSC44273  Cardamine californica Barbara Kelly 1977-4-23 299 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground, between campsite and marsh 561 Comment
  UC1199189  Cardamine californica Joseph P. Tracy 1905-4-2 2160 Humboldt near Blue Lake; Northern Coast Ranges, near Blue Lake 30 Comment
  UC160972  Cardamine californica J. P. Tracy 1911-4-2 3171 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  UC668053  Cardamine californica var. californica Joseph P. Tracy 1938-4-5 15704 Humboldt Willow Creek Canyon Willow Creek Canyon (along Trinity Highway) 487 Comment
  POM311254  Cardamine californica var. integrifolia Keith C. Hughes 1961-2-3 326 Humboldt Richardson Grove State Park; Mt. Range: Coast Ranges; Drainage Area: Pacific Slope. 137 Comment
  HSC26791  Cardamine oligosperma Thomas W. Nelson 1971-4-27 426 Humboldt Along Jolly Giant Creek, HSU campus Comment
  CAS-BOT-BC37894  Cardamine oligosperma Duart V. Brown 1947-3-27 16 Humboldt Near Tectah Creek, Klamath River. Comment
  HSC28134  Cardamine oligosperma J. D. Ackerman, A. M. Montalvo 1973-4-29 46 Humboldt 3 mi. E of Kneeland 500 Comment
  UC1199207  Cardamine oligosperma Joseph P. Tracy 1920-5-18 5328 Humboldt 5 mi from Dyerville (South Fork Eel River, Forest Lodge, along Eel River from South Fork to Scotia); Northern Coast Ranges, South Fork Eel River, Forest Lodge 60 Comment
  CAS-BOT-BC384761  Cardionema ramosissimum Milo S. Baker 1927-8-16 2445 b Humboldt Samoa Comment
  CAS-BOT-BC384766  Cardionema ramosissimum D. E. Breedlove 1962-6-7 3048 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC562440  Carex amplifolia Joseph P. Tracy 1935-6-23 13986 Humboldt French Camp Ridge 1066 Comment
  POM160305  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt Near the Redwood House, on the road to head of Yager 610 Comment
  UC1103111  Carex bolanderi Joseph P. Tracy 1933-6-13 12595 Humboldt Hoopa Mountain, near summit on road west from Hoopa to Bair's 1066 Comment
  UC1103102  Carex bolanderi Joseph P. Tracy 1926-6-6 7574 Humboldt Hoopa Mountain, near summit on road W from Hoopa to Bair's 1066 Comment
  HSC72698  Carex brainerdii Gail Newton 1980-6-24 571 Humboldt Near Ladder Rock 1570 Comment
  UC1598405  Carex buxbaumii Joy Mastrogiuseppe 1987-6-4 4571 Humboldt in middle bog Big Lagoon Sphagnum bog Comment
  CAS-BOT-BC34380  Carex cusickii Joseph Prince Tracy 1938-7-6 16023 Humboldt Big Lagoon. 6 Comment
  CAS-BOT-BC34980  Carex densa Joseph Prince Tracy 1927-5-30 8095 Humboldt Northern Coast Ranges.Garberville. 121 Comment
  CAS-BOT-BC20076  Carex echinata Joseph Prince Tracy 1926-6-27 7666 Humboldt Northern Coast Ranges. Horse Mountain. 1463 Comment
  JEPS25978  Carex echinata subsp. echinata Joseph P. Tracy 1932-7-14 10567 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  UC1103127  Carex echinata subsp. echinata Joseph P. Tracy 1923-6-24 6372 Humboldt in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UCR52379  Carex exsiccata L. P. Janeway 1982-6-12 4 Humboldt Dry Lagoon 3 Comment
  UC2015873  Carex feta Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4347 Humboldt Coast Range, Burr Valley area. 'False Burr Valley' Comment
  HSC7196  Carex fracta E. Hunt 1949-5-17 9 Humboldt S Fork Mtn. Comment
  CAS-BOT-BC20871  Carex globosa Joseph Prince Tracy 1927-7-4 8242 Humboldt North Coast Ranges. Blue Slide, on Van Duzen River. 91 Comment
  UC1108985  Carex gynodynama H. E. and S. T. Parks May, 1937 5813 Humboldt Spruce Cove, Trinidad, near sea level. Comment
  CHSC48077  Carex harfordii L. P. Janeway 1983-5-15 297 Humboldt In riparian bend of Mad River on S side, near Fish Hatchery Rd and across river from Blue Lake. 24 Comment
  UC1103579  Carex harfordii Joseph P. Tracy 1912-7-25 3818 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC21754  Carex hassei Joseph Prince Tracy 1941-5-11 16868 Humboldt Big Lagoon. 152 Comment
  RSA15489  Carex hendersonii Joseph P. Tracy 1933-5-28 12415 Humboldt Carlotta. 61 Comment
  UC50824  Carex hendersonii J. P. Tracy 1900-5-28 811 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC21017  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at south fork of the Eel River. Comment
  SEINET7854031 Image available Carex hendersonii V. Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of Eel River Comment
  CAS-BOT-BC7564  Carex integra Joseph Prince Tracy 1935-7-23 14139 Humboldt Trinity Summit. Open places at Corral Prairie. 1584 Comment
  CHSC90279  Carex jonesii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8599 Humboldt North Coast Ranges. Box Spring at Box Camp. Along trail to North Trinity Mountain. 1524 Comment
  UC1103619  Carex lenticularis var. impressa Joseph P. Tracy 1932-7-15 10587 1/2 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC39163  Carex leptopoda D. E. Anderson, J. P. Smith 1971-6-28 - 1240 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  CAS-BOT-BC31585  Carex luzulina var. luzulina Joseph Prince Tracy 1930-7-16 8987 Humboldt South Fork Mountain, in wet meadow at McKay Camp. 1676 Comment
  UC1103091  Carex multicostata Joseph P. Tracy 1933-7-25 12847 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC249513  Carex nudata Joseph P. Tracy 1922-5-29 6069 Humboldt South Yager Creek Valley 762 Comment
  HSC7071  Carex obnupta J. W. Johnson 1961-9-3 1081 Humboldt Arcata, Christenson Farm, Samoa Peninsula Comment
  HSC90676  Carex obnupta Gail Newton 1982-6-1 3569 Humboldt Elk River Wildlife Area, Eureka. Comment
  JEPS63691  Carex obnupta William S. Cooper 1925-7-29 112 Humboldt Samoa Comment
  UC202449  Carex obnupta Joseph P. Tracy 1906-8-18 2546 Humboldt Eureka Northern Coast Region 0 Comment
  UC8071  Carex obnupta Harley P. Chandler May, 1901 1122 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UCR26525  Carex obnupta A. C. Sanders 1981-8-6 2301 Humboldt Near Orick, 1.6 mi west of Hwy 101 on Davison Road toward Gold Bluffs Beach Comment
  BLMAR237  Carex obnupta Jennifer Anthony-Wheeler 1996-9-26 237 Humboldt King range, growing in wet places in creeksides habitat between Nadelos and Wailaki 548 Comment
  HSC91620  Carex obnupta E. Mackey 1986-6-16 Humboldt Patrick's Point State Park, beach N of Wedding Rock Comment
  UC1041076  Carex obnupta J. W. Congdon 1904-7-23 Humboldt Peninsula Eureka Eureka Comment
  UC562653  Carex pachycarpa Joseph P. Tracy 1932-7-11 10411 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC119242  Carex pachystachya Joseph Prince Tracy 1939-7-9 16340 Humboldt Snow Camp 1402 Comment
  UC562659  Carex pachystachya Joseph P. Tracy 1935-7-27 14287 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC119241  Carex pachystachya Joseph Prince Tracy 1939-7-9 16325 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  HSC98935  Carex pachystachya Cara Witte 2007-7-8 444 Humboldt Board Camp Mountain. Trail 4E28. 1496 Comment
  SEINET958239  Carex rossii H. E. Parks, Joseph P. Tracy 1933-1 12161 Humboldt Vicinity of Trinidad 61 Comment
  HSC45950  Carex straminiformis J. P. Smith, Steve Selva 1970-7-30 4132 Humboldt Comment
  CAS-BOT-BC116941  Carex subbracteata Harley Pierce Chandler 1901-5-1 1115 Humboldt Humboldt Bay 30 Comment
  CHSC102858  Carex subbracteata Peter F. Zika 2009-6-15 24494 Humboldt Outer North Coast Range. Above Route 299, 2.3 road miles W of junction with Chezen Road, between Lord-Ellis and Berry summits. 680 Comment
  SEINET4152293  Carex subbracteata Unknown 1928-6-24 8470 Humboldt Valley of South Yager Creek 762 Comment
  SEINET4290245 Image available Carex subbracteata Unknown 2009-1 24497 Humboldt Outer North Coast Range (NCoRo), between Lord-Ellis and Berry summits. Above Chezen Road, at junction with Route 299. Comment
  CAS-BOT-BC116942  Carex subbracteata Joseph Prince Tracy 1935-7-27 14296 Humboldt Trinity Summit, open places at McKay Prairie. 1584 Comment
  HSC44120  Carex subfusca Thomas W. Nelson, Jane P. Nelson 1976-6-15 2735 Humboldt Just W of Goat Hill along road off FS 2S08 1463 Comment
  UC1103099  Carex subfusca Joseph P. Tracy 1938-7-7 16030 Humboldt Horse Mountain Northern Coast Ranges 1463 Comment
  UC1103119  Carex tumulicola Joseph P. Tracy 1929-5-8 18297 Humboldt Strong's District School House Carlotta 60 Comment
  UC1115821  Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt old Strong's District School House, 5 miles E of town 45 Comment
  CAS-BOT-BC115285  Carex utriculata Joseph Prince Tracy 1934-8-29 13622 Humboldt South Fork Mountain; in wet meadow at McKay Camp Comment
  RSA15477  Carex vesicaria Joseph P. Tracy 8988 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1677 Comment
  HSC7090  Carex viridula B. D. Rogers 1965-10-2 1017 Humboldt Big Lagoon 0 Comment
  CAS-BOT-BC114986  Carex viridula Joseph Prince Tracy 1924-7-13 6720 Humboldt In brackish swamp, Big Lagoon. 6 Comment
  SEINET7581203 Image available Carex viridula H. E. Parks 5214 Humboldt South of Orick. Comment
  HSC49819  Carpobrotus chilensis R. York 1979-4-13 241 Humboldt Bluffs surrounding College Cove. Comment
  CAS-BOT-BC281884  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie on ridge 1 mile N above Bull Creek, ca 2 miles W of Dyerville Comment
  JEPS25063  Castilleja affinis subsp. litoralis Joseph P. Tracy 1947-5-24 17692 B Humboldt Big Lagoon 152 Comment
  CHSC19743  Castilleja ambigua subsp. humboldtiensis D. E. Anderson; N. Dennis 1965-6-8 100 Humboldt Salt marsh along east edge of Humbolt Bay, 1 mile south of Arcata. Comment
  HSC82968  Castilleja ambigua subsp. humboldtiensis A. L. Eicher 1986-5-11 Humboldt By Humboldt Bay, .2 mi. S of the mouth of Jacoby Creek 1 Comment
  HSC95070  Castilleja ambigua subsp. humboldtiensis Lila Tauzer 2002-5-3 45 Humboldt Arcata Marsh 0 Comment
  HSC76226  Castilleja applegatei Overton, Butler 1979-7-24 9742 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  JEPS3616  Castilleja applegatei subsp. martinii Clyde Ritchie Bell 1951-4-21 1036 Humboldt Just south of Somes Bar and immediately south of the Siskiyou-Humboldt County line, along Calif. State Highway 96 (Klamath River Road). Comment
  JEPS24219  Castilleja applegatei subsp. pinetorum Peter H. Raven with R. Snow 1958-7-20 13636 Humboldt 2.0 mi s junction of Titlow Hill and Friday Ridge roads (near Grouse Mountain) Comment
  CAS-BOT-BC255521  Castilleja applegatei var. pinetorum F. W. Pennell; J. P. Tracy 1940-7-7 26097 Humboldt Grouse Mountain, w. of Salyer 1554 Comment
  CAS-BOT-BC255522  Castilleja applegatei var. pinetorum Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  HSC55751  Castilleja miniata G. L. Clifton, Griswold 1979-7-26 10283 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC55840  Castilleja miniata G. L. Clifton, Griswold 1979-7-25 10790 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC44349  Ceanothus arcuatus Brad Klipfel 1975-7-11 695 Humboldt Horse Mtn. Comment
  CDA36149  Ceanothus cuneatus CDFA Staff Jun 1977 Humboldt Berry Summit. 0 Comment
  CDA35561  Ceanothus cuneatus subsp. cuneatus Gordon Leppig 1998-6-1 877 Humboldt Horse Mountain. Titlow Hill Road. Comment
  CAS-BOT-BC49659  Ceanothus foliosus var. foliosus Joseph P. Tracy 1937-5-30 15314 Humboldt 3 miles south of Bridgeville 457 Comment
  HSC37598  Ceanothus foliosus var. foliosus R. Sutherland 1975-7-4 0 .4775 Humboldt 640 Comment
  CAS-BOT-BC50054  Ceanothus incanus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  HSC37051  Ceanothus incanus R. Sutherland 1975-5-8 4 .8575 Humboldt Wilder Ridge, near county rd. 8 mi SE of Honeydew, 8 mi W of Mattole River, bridge at Ettersburg 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
  CHSC31293  Ceanothus integerrimus Mark Stopher 1980-6-4 107 Humboldt Near Elk River near Hwy 101 bridge. 1 Comment
  HSC32265  Ceanothus integerrimus J. O. Sawyer 1970-6-24 2234 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC43183  Ceanothus parryi R. Sutherland 1975-7-5 12 .5775 Humboldt 244 Comment
  HSC43246  Ceanothus parryi R. Sutherland 1975-7-5 8 .5775 Humboldt 244 Comment
  UC1193304  Ceanothus parryi R. H. Neuns 1950-7-13 127 Humboldt 3 miles sosuth of Alder Point 548 Comment
  UC1193306  Ceanothus parryi K. Cuff 1950-8-24 123 Humboldt 2 mi n Phillipsville; Quad. 29C1, n of Phillipsville 213 Comment
  UC170020  Ceanothus parryi Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5416 Humboldt Between Hubbard's Station and Elk Prairie Comment
  HSC59633  Ceanothus pumilus J. P. Smith, J. O. Sawyer 1974-6-2 7654 Humboldt Below summit of Horse Mtn. 1494 Comment
  SEINET201060  Ceanothus pumilus J. P. Tracy 1946-5-4 17526 Humboldt Willow Creek Canyon along Trinity Highway 610 Comment
  SEINET12211458  Ceanothus pumilus Unknown 1986-1 60171 Humboldt At the Trinity Co. line: The Lassics, betw. Red Lassic and Lassic peaks 1768 Comment
  CAS-BOT-BC52955  Ceanothus thyrsiflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  CAS-BOT-BC52982  Ceanothus thyrsiflorus Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC18341  Ceanothus thyrsiflorus Francis Winter 1960-4-23 Humboldt 1.0 mi S of Dollar Ranch Korbel-Maple Creek Rd. 152 Comment
  HSC79361  Ceanothus thyrsiflorus Kenneth Clark 1980-6-14 684 Humboldt Above N Fork of Dead Man's Gulch 213 Comment
  RSA25754  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11089 Humboldt Summit of Trinidad Head. 46 Comment
  CAS-BOT-BC52870  Ceanothus velutinus S. K. Harris 1942-6-12 1257 Humboldt Fickle Hill Road, 5 miles north and 2 miles east of Boynton Prairie 630 Comment
  HSC98200  Ceanothus velutinus D. E. Anderson 1965-5-1 3591 Humboldt 6.3 mi N of Hoopa along Hwy. 96 Comment
  JEPS30696  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt 2 mi s of Redcrest; Horse Prairie Comment
  CDA7086  Centaurea calcitrapa T. C. Fuller 1960-8-25 4975 Humboldt Pacific Lumber Company, Perrott Creek, across Eel River from Dyerville. 0 Comment
  UC1222952  Centaurea cyanus Joseph P. Tracy 1942-7-18 17281 Humboldt near Garberville Comment
  SEINET11860706  Centaurea cyanus J. P. Tracy 1948-8-8 18097 Humboldt halfway between Bridgeville & head of S. Yager Comment
  HSC37944  Centaurea jacea Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  UC1541642  Centaurea melitensis Harold E. Parks 1934-7-6 5117 Humboldt Jaqua-Yager Creek road Jaqua-Yager Creek 762 Comment
  SEINET202640  Centaurium erythraea Unknown 1954-8-10 4755 Humboldt Along US Highway 101, one mile south of Garberville. 213 Comment
  JEPS11983  Centaurium muehlenbergii Rimo Bacigalupi with G. T. Robbins 1954-6-28 4655 Humboldt 4.6 mi s Weitchpec (Hoopa Valley Indian Reservation, along highway, high above Trinity River, between Hoopa Valley and Weitchpec) 167 Comment
  UC852498  Cerastium arvense Milo S. Baker 1931-5-17 5187 Humboldt along Hwy. 4.2 mi. s. Garberville Comment
  HSC4109  Cerastium fontanum subsp. vulgare D. E. Anderson 1962-5-1 2201 Humboldt 1 mi. W of Hoopa Comment
  HSC44765  Cerastium fontanum subsp. vulgare Maralyn O'Meara 1972-6-8 87 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  HSC100708  Cerastium pilosum Carl C. Marshall Jun 1888 61 Humboldt No data. Comment
  HSC14611  Cercis occidentalis R. A. Rasp 1964-4-5 27 Humboldt 3 mi. past Willow Creek on Willow Creek Rd. Comment
  CAS-BOT-BC276488  Chaenactis douglasii var. douglasii Joseph P. Tracy 1932-7-12 10462 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  CAS-BOT-BC85656  Chamaecyparis lawsoniana Doris K. Kildale 1926-8-15 2502 Humboldt Willow Creek Canyon 769 Comment
  HSC56986  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9534 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC164837  Chamaesyce serpyllifolia Joseph P. Tracy 1911-7-9 3470 Humboldt near mouth Willow Creek; Valley of Trinity River 152 Comment
  UC502947  Chamaesyce serpyllifolia Joseph P. Tracy 1930-10-12 9208 Humboldt Eel River Northern Coast Ranges (Alton to Fortuna) 15 Comment
  UC1122499  Chamerion angustifolium subsp. circumvagum H. S. Yates 1936-6-23 5869 Humboldt 3 mi se Scotia; Rohnerville Quadrangle Comment
  UC1122511  Chamerion angustifolium subsp. circumvagum H. L. Person 1932-7-16 Humboldt hwy n Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC535749  Chamerion angustifolium subsp. circumvagum Eleanor Armstrong 1934-8-15 1146 Humboldt near road Richardson Grove 121 Comment
  HSC995  Cheilanthes gracillima J. Wendell Howe 1934-7-21 1314 Humboldt Near Cold Spring, Horse Mtn. Comment
  UC71532  Cheilanthes gracillima J. Burtt Davy 1899-7-9 5387 Humboldt Harris to Hubbard's Station Comment
  JEPS59693  Chenopodium ambrosioides Joseph P. Tracy 1934-8-4 13552 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS59742  Chenopodium botrys W. L. Jepson 1936-8-12 17885 Humboldt Philipsville South Fork Eel River Comment
  HSC55025  Chimaphila menziesii Overton, Butler 1979-7-31 11440 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC76597  Chimaphila menziesii Teresa Prendusi 1981-7-9 199 Humboldt Near Cedar Camp. 1268 Comment
  HSC38318  Chimaphila menziesii J. D. Ackerman, A. M. Montalvo 1975-6-18 467 Humboldt Big Hill Rd., 7.9 mi. E of Hoopa and Hwy. 96 Comment
  HSC102564  Chimaphila umbellata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1551 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC41338  Chimaphila umbellata Brad Klipfel 1974-9-7 562 Humboldt Horse Mtn., above E fork of Willow Creek Comment
  HSC55214  Chimaphila umbellata Walter Overton 1979-8-1 12371 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC314637  Chimaphila umbellata Joseph P. Tracy 1926-8-29 7777 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC1225859  Chlorogalum pomeridianum var. pomeridianum Joseph P. Tracy 1946-7-7 17611 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC36480  Chrysolepis chrysophylla Ella Dales Cantelow 1938-10-22 2180 Humboldt Near Red Cap Creek, SW of Orleans Comment
  CAS-BOT-BC30125  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt Northern Coast Ranges. South Fork Mountain, along summit near Blake lookout 1706 Comment
  JEPS35983  Cichorium intybus Lincoln Constance 1934-6-25 933 Humboldt Bull Creek Region. South Fork Eel River. On E side of road at Englewood, across the road from Collin's Englewood Campground. Comment
  UC1197340  Cicuta douglasii Joseph P. Tracy 1937-8-12 15662 Humboldt Snow Camp 1402 Comment
  HSC97984  Circaea alpina subsp. pacifica Cara Witte 2007-7-11 507 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  UC1223063  Cirsium arvense Joseph P. Tracy 1950-8-1 19245 Humboldt near summit e of North Fork of Mad River Comment
  UC582530  Cirsium arvense Joseph P. Tracy 1933-8-13 12963 Humboldt Arcata Bottom 15 Comment
  CAS-BOT-BC284404  Cirsium arvense L. R. Abrams 1927-8-31 12059 Humboldt Arcata Comment
  HSC89523  Cirsium brevistylum M. Roantree 1985-6-11 88 Humboldt W side of Trinidad Head Comment
  SEINET11263070  Cirsium douglasii var. canescens Thomas Nelson 1976-7-9 2987 Humboldt Beside 1S07 just west of summit.; 0 1585 Comment
  HSC60029  Cirsium occidentale var. candidissimum M. A. Baker 1978-5-6 484 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  UC1223057  Cirsium occidentale var. candidissimum Joseph P. Tracy 1950-8-4 19257 Humboldt at head of Canoe Creek; Bull Creek State Park, Grasshopper Peak, Canoe Creek Comment
  CAS-BOT-BC285528  Cirsium occidentale var. candidissimum John Thomas Howell 1937-7-31 13713 Humboldt Trinity River Canyon 2 miles west of Trinity Co. line Comment
  RSA671131  Cirsium occidentale var. venustum B. Villegas 1998-8-5 s.n. Humboldt Nr. Berry Summit on Titlow Hill Road, 3.9 miles south of Hwy. 299 Comment
  UC204828  Cirsium occidentale var. venustum Joseph P. Tracy 1918-7-3 4988 Humboldt Wilder Ridge Northern Coast Ranges, Wilder Ridge 762 Comment
  UC204832  Cirsium occidentale var. venustum Joseph P. Tracy 1918-7-3 4988 Humboldt Wilder Ridge Northern Coast Ranges, Wilder Ridge 762 Comment
  CAS-BOT-BC288721  Cirsium remotifolium Joseph P. Tracy 1938-7-6 16025 Humboldt Big Lagoon 30 Comment
  CAS-BOT-BC288722  Cirsium remotifolium Joseph P. Tracy 1934-7-6 13659 Humboldt Kneeland Prairie 762 Comment
  UC582536  Cirsium remotifolium H. E. Parks and Joseph P. Tracy 1934-7-13 13383 Humboldt vicinity of Trinidad; Northern Coast Region 60 Comment
  UC169297  Cirsium remotifolium var. rivulare Joseph P. Tracy 1912-7-27 3886 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC76337  Cirsium vulgare Michael Ericksen 1981-8-20 1076 Humboldt Near Van Duzen Public Campground 1000 Comment
  CAS-BOT-BC162634  Clarkia J. Ed. McClellan; Bonnie McClellan 1972-6-1 s.n. Humboldt Dune flat, Samoa Comment
  SBBG4940  Clarkia amoena H. and M. Dearing 1939-6-24 3702 Humboldt near Dinsmore, E of Bridgeville Comment
  UC198871  Clarkia amoena Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  HSC16232  Clarkia amoena R. T. Paul 1967-7-20 4 Humboldt N of Capetown 152 Comment
  UC144074  Clarkia amoena subsp. amoena Joseph P. Tracy 1909-7-31 3026 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC160949  Clarkia amoena subsp. amoena C. L. Hitchcock; J. S. Martin 1939-7-14 5432 Humboldt Road bank 1 mile east of Shelter Cove Comment
  UC58846  Clarkia gracilis subsp. gracilis Harley P. Chandler June, 1901 1327 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC594157  Clarkia purpurea S. K. Harris, J. P. Tracy 1936-6-10 3277 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  RSA167262  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1950-6-15 18809 Humboldt Mail Ridge, North of Harris, Fort Seward Ranch Comment
  UC1071917  Clarkia purpurea subsp. quadrivulnera H. and M. Lewis 1947-6-14 418 Humboldt 0.1 mi e Van Duzen River Bridge (4.129) (Highway 36) Comment
  HSC98078  Clarkia purpurea subsp. viminea Cara Witte 2007-7-3 401 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  JEPS43741  Clarkia purpurea subsp. viminea Lincoln Constance 1934-5-23 619 Humboldt upper end Look Prairie; Bull Creek Region, South Fork Eel River 365 Comment
  HSC39550  Claytonia exigua subsp. exigua Thomas W. Nelson 1976-6-14 2701 Humboldt S of Mt. Lassic, Signal Peak 1646 Comment
  SEINET200315  Claytonia exigua subsp. exigua J. P. Tracy 1926-4-3 7396 Humboldt Kneeland Prairie local Comment
  HSC41252  Claytonia exigua subsp. glauca Brad Klipfel 1974-5-27 401 Humboldt Horse Mtn. Comment
  HSC41230  Claytonia lanceolata Brad Klipfel 1974-5-8 318 Humboldt Horse Mtn. Comment
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Sep 23 2019
  HSC90423  Claytonia perfoliata Jean Hanson 1980-3-8 28 Humboldt Indian Island, Eureka, W end of island Comment
  JEPS43376  Claytonia perfoliata subsp. mexicana Lincoln Constance 1934-5-26 681 Humboldt North Dyerville Flat grove South Fork Eel River, Bull Creek (near Founders' Tree) 48 Comment
  CAS-BOT-BC440094  Claytonia perfoliata subsp. perfoliata Doris Kildale 1931-5-10 10547 Humboldt Snow Camp Comment
  UC673000  Claytonia rubra subsp. rubra Joseph P. Tracy 1929-7-4 8617 Humboldt French Camp Ridge 1066 Comment
  HSC67375  Claytonia saxosa Thomas W. Nelson, James Nelson 1980-6-10 5415 Humboldt Along Swayback Ridge Rd., 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  CHSC1384  Claytonia sibirica M. Underhill 1952-7-12 Humboldt Wet bank. 121 Comment
  HSC100606  Claytonia sibirica Carl C. Marshall Mar 1886 150 Humboldt Everywhere. Comment
  OBI33239  Claytonia sibirica David J. Keil 1983-7-1 17261 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  UC13660  Claytonia sibirica Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC162972  Claytonia sibirica Joseph P. Tracy 1908-6 2860 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCR122364  Claytonia sibirica George K. Helmkamp, E. A. Helmkamp 2001-7-8 6975 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC45492  Claytonia sibirica Maralyn O'Meara 1972-6-8 103 Humboldt Along Bald Hills Rd., 18 mi. from junction with Hwy. 101 Comment
  RSA117685  Claytonia sibirica S. S. Tillett 1956-7-3 600 Humboldt Near Foundera Tree Grove, just S of Dyerville. Comment
  RSA117688  Claytonia sibirica S. S. Tillett 1956-7-5 603 Humboldt Along State Hwy 96, above Klamath River, 2 miles S of Orleans. 152 Comment
  HSC95091  Clinopodium douglasii Andrea Pickart 2002-6-30 134 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 30 Comment
  HSC15445  Clintonia andrewsiana J. F. Knezevich 1968-5-13 428 Humboldt Near Arcata above Freshwater Forest Comment
  HSC72683  Clintonia uniflora J. P. Smith 1977-7-3 9265 Humboldt Onion Lake Comment
  CDA3701  Coincya monensis Jim Belsher 1997-2-13 2 Humboldt Lot ESE of the Manila Community Services District sewage pump station Comment
  CHSC79480  Coincya monensis Jim Belsher 1997-2-13 1 Humboldt Collected in the lot East Southeast of the Manila Community Services District sewage pump station. 6 Comment
  SBBG66416  Collinsia grandiflora H. E. Parks, J. P. Tracy 1930-5-25 741 Humboldt Laribee Valley (Larabee Valley) 762 Comment
  HSC39196  Collinsia greenei D. E. Anderson, J. P. Smith 1971-7-6 - 1329 Humboldt 1.0 mi. W of Pine Ridge Summit, 6 mi. E of junction with Redwood Valley Rd. Comment
  JEPS25057  Collinsia heterophylla Joseph P. Tracy 1927-5-8 7988 Humboldt Vicinity of Garberville 121 Comment
  UC179949  Collinsia heterophylla Joseph P. Tracy 1914-5-14 4464 Humboldt Northern Coast Ranges, Fort Seward Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC1222820  Collinsia linearis Joseph P. Tracy 1950-7-2 18969 Humboldt on Ridge 2 mi e of Grove's Prairie (Trinity Summit, Happy Camp Mountain); Trinity Summit, Happy Camp Mountain 1371 Comment
  UC1347175  Collinsia linearis Alice Eastwood, John Thomas Howell 1937-6-24 4858 Humboldt road to Horse Mountain Horse Mountain Comment
  UC26620  Collinsia linearis Harley P. Chandler Jun 1901 1294 Humboldt Hupa Indian Reservation near Hupa (between The Swag and Hupa); North Coast Ranges, Hupa Indian Reservation 304 Comment
  UC1196839  Collinsia rattanii Joseph P. Tracy 1933-5-14 12173 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC673102  Collinsia rattanii Joseph P. Tracy 1940-5-17 16552 Humboldt Larrabee Valley 731 Comment
  HSC41279  Collinsia rattanii Brad Klipfel 1974-6-25 437 Humboldt Horse Mtn., SE of the towers Comment
  UC1196850  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3628 Humboldt near Hydesville (hillside between Alton and Hydesville); Northern Coast Region 30 Comment
  RSA135456  Collomia grandiflora Volney Rattan 1878-1 s.n. Humboldt Humboldt. Comment
  UC1197856  Collomia grandiflora Joseph P. Tracy 1933-8-30 13051 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1197854  Collomia grandiflora Joseph P. Tracy 1911-7-10 3498 Humboldt near Willow Creek (hillslopes at w side of Trinity River); Northern Coast Ranges 304 Comment
  HSC45408  Collomia heterophylla Thomas W. Nelson, Jane Nelson 1977-6-19 3517 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  POM278763  Collomia heterophylla Lyman Benson 1928-7-12 475 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  SEINET7963087 Image available Collomia heterophylla S. K. Harris 1942-1 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E 600 Comment
  UC133645  Collomia heterophylla Joseph P. Tracy 1909-7-31 3046 Humboldt on gravelly hillside Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1537481  Collomia heterophylla Gordon H. True 1936-5-11 458 Humboldt 10 mi w Miranda (w slope); Salmon Creek 457 Comment
  HSC73719  Collomia tracyi M. A. Baker 1980-7-15 2955 Humboldt Near Whiting Ridge. 1341 Comment
  UC165028  Conyza canadensis J. P. Tracy 1906-8-18 2540 Humboldt immediate vicinity Eureka 0 Comment
  HSC91919  Conyza canadensis E. Mackey 1987-9-5 Humboldt Patricks Point State Park; in dune area Comment
  UC160953  Coptis laciniata Joseph P. Tracy Jul 27 1908-Jul 30 1908 2729 Humboldt opposite Buck Mountain (Northern Coast Ranges, Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC673153  Coptis laciniata Lincoln Constance, Reed C. Rollins 1942-5-11 2868 Humboldt 3 mi w of East Fork Willow Creek (North Coast Ranges); North Coast Ranges Comment
  HSC74155  Corallorhiza maculata Gail Newton 1980-7-20 1599 Humboldt Near Bell Swamps 1463 Comment
  JEPS64333  Corallorhiza maculata Lincoln Constance 1934-6-9 842 Humboldt Peavine Ridge South Fork Eel River, Bull Creek Region (w slope) 609 Comment
  UC1046561  Corallorhiza mertensiana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3420 Humboldt 4700 ft ridge between Mad River and; Bald Mountain, Snow CamRedwood Creek Comment
  HSC90429  Cordylanthus maritimus subsp. palustris Jean Hanson 1980-6-22 98 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  HSC90639  Cordylanthus maritimus subsp. palustris Gail Newton 1983-8-21 3855 Humboldt Elk River Wildlife Area, Eureka. Comment
  RSA21672  Cordylanthus tenuis subsp. viscidus Carl B. Wolf 1937-8-13 9225 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC1601151  Corethrogyne filaginifolia Joseph P. Tracy 1934-7-21 13474 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  CAS-BOT-BC212014  Cornus nuttallii Doris K. Kildale 1927-5-13 3133 Humboldt Lord Ellis Road near Bald Mountain junction. Comment
  HSC97551  Cornus nuttallii Cara Witte 2007-5-31 159 Humboldt National Forest Road 1. 1 mile south of intersection with 5N04. 1551 Comment
  RSA0019453  Cornus occidentalis C. B. Wolf 1937-8-13 9251 Humboldt North Coast Range, 11 mi. E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  CAS-BOT-BC212177  Cornus sericea Joseph P. Tracy 1947-6-26 17747 Humboldt Near McKay Camp, South Fork Mountain 1676 Comment
  CAS-BOT-BC212183  Cornus sericea W. R. Dudley 1899-6-21 s.n. Humboldt Englewood Brook, Eel River Comment
  HSC102041  Cornus sericea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 944 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  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
  UC183589  Cornus sericea subsp. sericea Joseph P. Tracy 1913-6-14 4125 Humboldt opposite Buck Mt. (Dinsmore's Ranch, Valley of Van Duzen R.); Northern Coast Ranges, Valley of Van Duzen R., Dinsmore's Ra 762 Comment
  RSA309624  Cornus sessilis W. Wisura 1983-9-2 3929 Humboldt 6 mi W of Willow Creek, at East Fork campground, along Hwy 299. Comment
  UC249590  Cornus sessilis Joseph P. Tracy 1922-4-20 6040 Humboldt Three Creeks Northern Coast Ranges, Three Creeks 670 Comment
  RSA0019465  Cornus sessilis Volney Rattan 1878-1 s.n. Humboldt [No location data on label] Comment
  RSA730001  Cotoneaster pannosus Peter F. Zika 2007-7-20 263324 Humboldt NCo, North Coast: Lynda Lane near high school, S end of Big Lagoon. 20 Comment
  SEINET11859878  Cotula australis J. P. Tracy 1943-4-10 17414 Humboldt Eureka Comment
  HSC5428  Cotula coronopifolia John Warner Hosking 1968-10-10 Humboldt Clam Beach. Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  HSC5432  Cotula coronopifolia D. E. Anderson 1961-9-2 1766 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  UC1198827  Crassula connata var. subsimplex Joseph P. Tracy 1940-4-7 16528 Humboldt near Samoa on Humboldt 6 Comment
  RSA20802  Crataegus douglasii Carl B. Wolf 1937-8-13 s.n. Humboldt North Coast Range, 12 miles E of Hoopa Valley on new road towards Trinity Summit. 1677 Comment
  POM301287  Crataegus suksdorfii Joseph P. Tracy 1948-9-12 18205 Humboldt Box Camp Meadow, Trinity summit. 1463 Comment
  JEPS37501  Crepis acuminata Joseph P. Tracy 1935-7-30 14382 Humboldt Salmon Summit 2103 Comment
  CDA18216  Crepis capillaris G. D. Barbe, T. C. Fuller 1974-6-17 1844 Humboldt North Coast Ranges; Shelter Cove, Upper Pacific Drive, at Sea View Rd. 91 Comment
  CAS-BOT-BC290588  Crepis capillaris A. A. Heller 1923-7-9 13777 Humboldt About 5 miles east of Arcata along the road to Blue Lake Comment
  CAS-BOT-BC291478  Crepis capillaris F. J. Kirby 1958-7-1 1211 Humboldt West of Bridgeville 457 Comment
  UC176476  Crepis occidentalis Joseph P. Tracy 1913-6-21 4256 Humboldt near summit of ridge between Van Duzen River and Mad River; Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  HSC39392  Crepis pleurocarpa D. E. Anderson, J. P. Smith 1971-7-6 1278 Humboldt Horse Mtn. Comment
  HSC5436  Crepis pleurocarpa H. E. Parks, J. P. Tracy 1934-6-27 11037 Humboldt Horse Mtn. Comment
  CAS-BOT-BC299701  Crocidium Doris K. Kildale 1929-4-28 7468 Humboldt Between Little Van Duzen River and Dinsmores on Bridgeville - Red Bluff Road Comment
  UCD130992  Crocidium multicaule Roman Gankin; W. R. Hildreth 1966-3-15 700 Humboldt Klamath River canyon, State Highway 96, 4.6 miles north of Hoopa. Comment
  HSC102928  Cryptantha M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 900 Humboldt Patterson Meadows 1566 Comment
  UC1239648  Cryptantha torreyana Joseph P. Tracy 1930-7-23 9121 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  JEPS39856  Cupressus lawsoniana Joseph P. Tracy 1926-6-27 7672 Humboldt Horse Mountain North Coast Ranges 1463 Comment
  RSA758117  Cupressus macrocarpa Doug Goldman 2004-12-20 2982 Humboldt Open area with sandy loam soil, just below the edge of a NW-facing bluff overlooking the beach and a few hundred feet to N. of the table Bluff lighthouse facility. 43 Comment
  RSA639037  Cuscuta californica R. F. Thorne, P. C. Everett 1965-8-7 35226 Humboldt Samoa Peninsula. 3 Comment
  UC562672  Cuscuta campestris Joseph P. Tracy 1933-8-25 12997 Humboldt near mouth of Eel River; Centerville Beach 6 Comment
  UC203976  Cuscuta suaveolens Joseph P. Tracy 1918-9-29 5113 Humboldt 8 mi above mouth of the South Fork of Eel River (Myers Ranch); Northern Coast Ranges, South Fork of Eel River 60 Comment
  HSC73936  Cynoglossum grande Gail Newton 1980-6-28 675 Humboldt Near Mad River Butte. 1536 Comment
  UC1222264  Cynoglossum grande Joseph P. Tracy 1946-6-23 17592 Humboldt near the McBride place at s.e. end Kneeland Prairie 762 Comment
  UCD19980  Cynoglossum grande C. H. Lamoureux; R. Gankin 1956-3-17 1041 Humboldt 1 mile north of Garberville on Hwy 101. Comment
  HSC100403  Cynoglossum grande Carl C. Marshall May 1886 160 Humboldt Vicinity of Humboldt Bay. Comment
  BLMAR320  Cynosurus cristatus Jennifer Anthony-Wheeler 2002-8-9 320 Humboldt Lost Coast Headland, Growing near pond in lost Coast headlands 121 Comment
  HSC37257  Cynosurus echinatus Lon Hall 1975-6-19 389 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC65448  Cynosurus echinatus J. P. Smith 1973-5-26 6795 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC9521  Cynosurus echinatus Paul Shields Jun 1955 Humboldt 6 mi. W of Myers Flat Comment
  RSA44473  Cynosurus echinatus Henry M. Pollard 1948-7-17 s.n. Humboldt Orleans. Comment
  UCD60184  Cynosurus echinatus J. Street 1950-5-28 s. n. Humboldt Alder Point. Comment
  HSC47957  Cypripedium californicum Brad Klipfel 1974-9-17 579 Humboldt Horse Mountain Comment
  SEINET200683  Cypripedium montanum Joseph P. Tracy 1918-5-26 4937 Humboldt Redwood Creek at foot of Grouse Mt. 610 Comment
  HSC1045  Cystopteris fragilis D. E. Anderson 1965-5-15 3713 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  CAS-BOT-BC201008  Cytisus scoparius Henry M. Pollard 1947-8-26 s.n. Humboldt Near Orleans Comment
  CDA36734  Cytisus scoparius Richard R. Halse 2010-3-25 7856 Humboldt Along U.S. Hwy 101 ca. 9.7 miles south of Orick. Comment
  HSC14673  Cytisus scoparius J. Mustain 1963-3-30 14 Humboldt Big Lagoon Park. Comment
  HSC34810  Cytisus scoparius David Peters 1975-4-9 2 Humboldt .2 mi. E of Old Arcata Rd. on Jacoby Cr. Rd. Comment
  HSC9535  Dactylis glomerata R. H. Berg 1963-2-23 2 Humboldt Fickle Hill area, Arcata Comment
  RSA126598  Dactylis glomerata H. S. Yates 1936-6-23 5852 Humboldt 2 miles E of mouth of Mad River. 30 Comment
  UC1056068  Danthonia californica var. americana J. I. Mallory 1955-6-7 112 Humboldt Luke Prairie Quad 29-B-3 (n end) 350 Comment
  CAS-BOT-BC194415  Danthonia intermedia Joseph P. Tracy 1935-7-25 14231 Humboldt Open places at McKay Prairie, Trinity Summit 1584 Comment
  SEINET201006 Image available Danthonia pilosa Joseph P. Tracy 1941-8-17 16994 Humboldt Hungry Hollow on Bald Mt. 762 Comment
  UC303173  Darmera peltata Joseph P. Tracy 1923-4-15 6180 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  UCSB22847  Datisca glomerata Constance, Lincoln 1934-6-11 Humboldt Trail along E bank of S fork of Eel River; N Dyerville Flat Comment
  CDA30706  Daucus carota M. K. Beyers, I. Shepardson 2009-9-13 251 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  JEPS14239  Daucus pusillus Joseph P. Tracy 1936-6-8 14870 Humboldt Trinidad Comment
  RSA296790  Daucus pusillus J. P. Smith, T. Nelson 1977-6-30 s.n. Humboldt Samoa Peninsula just east of the drag strip. Comment
  UCD95699  Delphinium decorum K. Esau 1934-5-7 s.n. Humboldt Near Blocksburg 609 Comment
  RSA304852  Delphinium decorum subsp. decorum James R. Shevock 1971-5-29 1137 Humboldt Trinity Hwy 299. 244 Comment
  UC467717  Delphinium decorum subsp. tracyi Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5788 Humboldt Trinity Summit Comment
  UC668271  Delphinium glaucum Joseph P. Tracy 1935-7-25 14241 Humboldt lower end Brett Hole (along streams); Trinity Summit 1584 Comment
  RSA168927  Delphinium hesperium Joseph P. Tracy 1950-6-23 18875 Humboldt Along Larrabee Creek, 3 miles N of Blocksburg Comment
  OBI10845  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley at Willow Crk 152 Comment
  HSC74627  Delphinium nudicaule M. A. Baker 1980-5-17 1251 Humboldt Near Le Perron Peak 1066 Comment
  RSA400116  Delphinium nuttallianum M. A. Baker 1979-6-27 933 Humboldt At head of Oregon Creek. Comment
  CAS-BOT-BC121959  Delphinium trolliifolium Doris K. Kildale 1927-3-26 3089 Humboldt Alton Hill 45 Comment
  UC1196344  Delphinium trolliifolium Joseph P. Tracy 1911-7-12 3525 Humboldt on summit between Berry's (on Redwood Creek) and Three Creeks; Northern Coast Ranges 1097 Comment
  UC184183  Deschampsia cespitosa subsp. cespitosa Joseph P. Tracy 1912-7-14 3750 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  RSA126949  Deschampsia danthonioides H. S. Yates 1936-6-17 5718 Humboldt Burr Valley; South Fork Pk. 1646 Comment
  UC1103219  Deschampsia danthonioides Joseph P. Tracy 1914-5-30 4477 Humboldt Alton Northern Coast Ranges, Alton 30 Comment
  CAS-BOT-BC201777  Deschampsia elongata Joseph P. Tracy 1932-7-14 10552 Humboldt At Corral Prairie 1524 Comment
  HSC102184  Deschampsia elongata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1098 Humboldt Patterson Meadows 1566 Comment
  HSC54605  Deschampsia elongata Overton, Butler 1979-7-24 9689 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC98123  Deschampsia elongata Cara Witte 2007-6-19 292 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1289 Comment
  UC1541536  Deschampsia elongata Harold E. Parks May 1931 3232 a Humboldt Big Lagoon Comment
  UCD63575  Deschampsia elongata Harley P. Chandler 1901-6-1 1331 Humboldt Hupa Indian Reservation. 304 Comment
  CHSC7029  Dicentra formosa K. R. Stern 1964-6-17 2115 Humboldt Ca. 9 mi. w of Blue Lake, s side of US Hwy. #299. Comment
  HSC44257  Dicentra formosa J. Walker 1977-4-23 8 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC198594  Dicentra formosa Joseph P. Tracy 1917-5-13 4781 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC1198171  Dichelostemma capitatum Joseph P. Tracy 1947-5-10 17685 Humboldt Miranda, along the South Fork of Eel River South Fork of Eel River 121 Comment
  HSC79414  Dichelostemma capitatum subsp. capitatum Kenneth Clark 1980-3-1 504 Humboldt Near parking access above Dead Man's Gulch 137 Comment
  CAS-BOT-BC501018  Dichelostemma ida-maia L. R. Abrams 1918-6-15 7108 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  CDA39454  Dichelostemma ida-maia G. D. Barbe, T. C. Fuller 1974-6-17 1828 Humboldt Thorne Road, 4 miles west of Redway, southern part of the county. 0 Comment
  RSA183023  Dichelostemma ida-maia Lee W. Lenz 1966-5-24 24658 Humboldt W of Berry Summit, US 299. Comment
  SEINET3885615  Dichelostemma ida-maia Jan G. Cooper 1976-8-2 5 Humboldt Along road to Horse Mountain Ski area turnoff of Hwy 299.; 0 1219 Comment
  CHSC1743  Digitalis purpurea M. Anthony 1960-5-14 Humboldt N. of Arcata, Highway 101. Comment
  UC198609  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie Comment
  CAS-BOT-BC153238  Diplacus kelloggii Doris K. Kildale 1926-4-10 1786 Humboldt Bug Creek 792 Comment
  UC1052467  Disporum smithii H. E. and S. T. Parks 1952-5 24452 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove 60 Comment
  RSA520557  Disporum smithii Michael A. Hanson 1990-5-21 71 Humboldt Near Little Creek Trail in Redwood National Park; east side of Highway 101 approximately 7 miles (11 km) south of Klamath Comment
  UC38068  Distichlis spicata Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6211 Humboldt near Ferndale Comment
  UC1198617  Dodecatheon alpinum Joseph P. Tracy 1933-7-16 12782 Humboldt McKay Camp South Fork Mountain, McKay Camp. Comment
  UC1198621  Dodecatheon hendersonii Joseph P. Tracy 1932-4-23 9828 Humboldt Miranda Northern Coast Ranges, South Fork of the Eel River (South Fork Eel River) 121 Comment
  RSA20853  Downingia yina C. B. Wolf 1937-6-18 8893 Humboldt 1/2 mile S of Fortuna. 15 Comment
  HSC103110  Drosera rotundifolia M. Mesler 2010-7-15 833 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  UCSB26681  Drosera rotundifolia Havlik, Neil 1968-8-21 Humboldt South end of Big Lagoon; north of Trinidad Comment
  HSC40775  Drymocallis hansenii Thomas W. Nelson 1976-7-9 3012 Humboldt S of Mt. Lassic (Signal Peak) 1707 Comment
  UC1198682  Drymocallis lactea var. austiniae Joseph P. Tracy 1913-6-17 4192 Humboldt near summit (Buck Mountain); Northern Coast Ranges, Buck Mountain 1524 Comment
  HSC48406  Drymocallis lactea var. lactea Brad Klipfel 1973-6-10 107 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC70872  Dryopteris arguta Doris K. Kildale 1928-12-30 6884 Humboldt Phillipsville Comment
  JEPS35195  Dryopteris arguta Lincoln Constance 1934-6-4 825 Humboldt S. Fork Eel River Comment
  JEPS35200  Dryopteris arguta W. L. Jepson 1932-8-9 16542 Humboldt Deerfoot Glade Bull Creek 121 Comment
  UC197923  Dryopteris expansa Joseph P. Tracy 1914-6-7 4491 Humboldt N Fork Eel River Alton; Northern Coast Region 30 Comment
  CAS-BOT-BC71057  Dryopteris expansa Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  JEPS35138  Dryopteris expansa Milo S. Baker 1923-7-16 20 Humboldt 4 mi se Eureka Comment
  HSC26394  Dudleya farinosa T. O. Osborne 1970-9-16 29 Humboldt Trinidad Bay, Prisoner Rock Comment
  HSC7297  Dulichium arundinaceum D. E. Anderson 1962-9-14 2340 Humboldt Fish Lake area Comment
  UC183454  Echinochloa crus-galli Joseph P. Tracy 1900-11-1 973 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC58703  Eleocharis acicularis Griswold, Butler 1979-7-11 7086 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  CAS-BOT-BC113438  Eleocharis bella Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region. Comment
  UC666874  Eleocharis macrostachya Joseph P. Tracy 1934-7-14 13400 Humboldt near Blue Lake (along Mad River) Comment
  POM273092  Eleocharis obtusa Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  BLMAR19  Elymus glaucus Brad Barr June, 1982 19 Humboldt King range, North facing slope of Spanish ridge Comment
  HSC37236  Elymus glaucus Lon Hall 1975-6-19 394 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC58631  Elymus glaucus Overton, Butler 1979-7-31 11485 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC58658  Elymus glaucus G. L. Clifton 1979-7-31 11862 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC73723  Elymus glaucus M. A. Baker 1980-7-15 2959 Humboldt Near Whiting Ridge. 1341 Comment
  HSC76540  Elymus glaucus Denis Kearns 1981-7-24 444 Humboldt Near Whiteys Peak. 1768 Comment
  HSC9718  Elymus glaucus D. E. Anderson, T. O. Preston 1963-3-1 19 Humboldt Near bridge over Supply Creek. Comment
  UC552757  Elymus glaucus subsp. jepsonii Joseph P. Tracy 1934-7-9 13336 Humboldt ridge near Harris; North Coast Ranges 762 Comment
  SEINET4674729  Elymus hispidus Thomas Nelson, Jane Nelson 1976-7-26 3023 Humboldt Trinity-Humboldt Co. line.; 0 1615 Comment
  HSC9733  Elymus mollis subsp. mollis L. M. Malloy 1965-5-16 15 Humboldt Samoa, sand dunes 1/4 mile NW of the corner of Thunder Rd. and the Hard Way. Comment
  HSC98008  Elymus multisetus Cara Witte 2007-7-8 439 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  RSA10129  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek. 762 Comment
  SEINET200933  Elymus trachycaulus subsp. trachycaulus J. P. Tracy 1912-7-27 3885 Humboldt Kneeland prairie 762 Comment
  SEINET200978  Elymus virescens Joseph P. Tracy 1938-6-17 15959 Humboldt Cape Mendocino. South of point of Cape. 3 Comment
  CHSC110737  Enemion stipitatum Dean Wm. Taylor 2011-5-4 21117 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junction with Highway 36. 737 Comment
  RSA647553  Epilobium angustifolium subsp. circumvagum G. F. Orr 1953-8-15 s.n. Humboldt Patrick Point State Park, Trinidad Comment
  SEINET187086  Epilobium brachycarpum P. A. Munz 1936-8-10 14337 Humboldt Roadside Little Van Duzen River 15 miles east of Bridgeville. Comment
  UC1198491  Epilobium brachycarpum Joseph P. Tracy 1900-9-10 964 Humboldt near Hydesville; Northern Coast Region, Yager bar 60 Comment
  CDA18995  Epilobium canum subsp. latifolium P. Haggard 2000-9-18 PDR P 071016 Humboldt Along U.S.F.S Rd. 1, in the vicinity of Blue Lake. 0 Comment
  HSC48852  Epilobium ciliatum subsp. ciliatum Brad Klipfel 1973-7-15 211 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS31530  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
  UC583078  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-10 14340 Humboldt 15 mi e Bridgeville; Little Van Duzen River Comment
  UC1197007  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1914-9-6 4605 Humboldt between High Prairie and Snow Camp (in peat bog); Northern Coast Ranges, Bald Mountain 1219 Comment
  RSA89767  Epilobium ciliatum subsp. watsonii P. A. Munz 1954-7-25 19875 Humboldt Near dunes at Humboldt Lighthouse south of Samoa. Comment
  SEINET9067301 Image available Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-1 24050 Humboldt Spruce Cove, Trinidad 64 Comment
  HSC16316  Epilobium densiflorum D. E. Anderson 1962-7-14 2253 Humboldt About 3 mi. E of Kneeland Comment
  UC505117  Epilobium foliosum Joseph P. Tracy 1928-5-6 8430 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC505112  Epilobium hallianum Joseph P. Tracy 1931-6-28 9589 Humboldt lower foothills of nw slope Northern Coast Ranges, Buck Mountain 762 Comment
  BLMAR138  Epilobium minutum Donald Hazlett 1994-6-7 138 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC63171  Epilobium septentrionale M. A. Baker 1979-7-7 1017 Humboldt 9.5 km E of Berry Summit along Hwy. 299, N bank of Willow Creek Comment
  UC902175  Epilobium torreyi Joseph P. Tracy 1942-7-18 17280 Humboldt along ditch in field Garberville 152 Comment
  RSA34053  Epipactis gigantea A. A. Heller 1923-7-10 13790 Humboldt Eel River between Scotia and Pepperwood. Comment
  UC667935  Equisetum hyemale subsp. affine Joseph P. Tracy 1928-6-17 8456 Humboldt at Willow Creek Trinity River Valley Comment
  SEINET200603 Image available Equisetum laevigatum J. P. Tracy 1932-5-11 9966 Humboldt Samoa 6 Comment
  HSC61634  Equisetum laevigatum Ruby Van Deventer 1959-6-20 Humboldt Humboldt-Del Norte county line, Onion Lake 1220 Comment
  HSC36259  Equisetum telmateia subsp. braunii John Rehling 1974-8-19 19 Humboldt Along Cranell Rd. next to pasture, Trinidad Comment
  HSC881  Equisetum telmateia subsp. braunii C. B. Wolf 1927-8-28 1181 Humboldt On rd. between Eureka and Arcata Comment
  HSC91901  Equisetum telmateia subsp. braunii E. Mackey 1987-2-18 Humboldt Patrick's Point State Park, on trail to Wedding Rock Comment
  UC1145099  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1950-9-22 19372 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  UCR52249  Erechtites argutus H. E. Parks 1937-1 24033 Humboldt North Coast, Spruce Cove, Trinidad 61 Comment
  HSC96501  Erechtites minimus Gordon Leppig 1998-8-23 1076 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  CAS-BOT-BC174278  Eremogone congesta var. suffrutescens Doris K. Kildale 1925-8-17 1243 Humboldt Waterdog Lake - Trinity Summit 1828 Comment
  UC1792475  Erigeron Thomas W. Nelson, Sydney Carothers 2004-6-18 9253 Humboldt Board Camp Mountain Road 49N38 1 mile from junction with Forest Service Road 1. 1481 Comment
  RSA44411  Erigeron annuus H. M. Pollard 1947-8-21 s.n. Humboldt roadside between Orleans and Boyse Creek Comment
  POM174061  Erigeron biolettii Joseph P. Tracy 1918-7-6 5052 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  CAS-BOT-BC300676  Erigeron foliosus var. mendocinus Joseph P. Tracy 1930-7-4 8829 Humboldt Bull Creek to Mattole Road, near the summit of ridge 762 Comment
  UC581724  Erigeron foliosus var. mendocinus Joseph P. Tracy 1930-7-4 8829 Humboldt Bull Creek to Mattole Road (near the summit of ridge) 762 Comment
  HSC46953  Erigeron glaucus J. P. Smith, Thomas W. Nelson 1977-6-30 9208 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  UCR121765  Erigeron glaucus George K. Helmkamp, E. A. Helmkamp 2001-7-8 7019 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC59670  Erigeron glaucus George Kirn 1977-9-27 Humboldt 0.5 mi. NW of Samoa 8 Comment
  POM357512  Erigeron glaucus J. P. Smith, T. W. Nelson 1977-6-30 9208 Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC87680  Erigeron maniopotamicus J. W. Blankinship 1893-7-1 Humboldt Mad River Comment
Read comments
Sep 3 2011
  CAS-BOT-BC214579  Erigeron philadelphicus W. R. Dudley 1899-6-19 s.n. Humboldt Scotia Comment
  POM357558  Erigeron philadelphicus B. C. Templeton 1964-6-13 10184 Humboldt Along old Hwy. 101 near Trinidad Comment
  UC165068  Erigeron strigosus var. septentrionalis J. P. Tracy 1909-8-22 3078 Humboldt immediate vicinity Eureka 0 Comment
  UC55504  Eriogonum compositum var. compositum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5672 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC248808  Eriogonum compositum var. compositum Volney Rattan 1883-6-1 s.n. Humboldt Summit bet. Mad R. & Pilot Cr. Comment
  HSC97398  Eriogonum compositum var. compositum Benjamin Hart, Erin Lonergan 2007-6-11 4 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1524 Comment
  CAS-BOT-BC259265  Eriogonum latifolium Doris K. Kildale 1927-7-1 3621 Humboldt Alton Hill 30 Comment
  RSA423114  Eriogonum latifolium M. B. Dunkle 1936-8-18 4818 Humboldt Moonstone Beach. Comment
  SBBG28255  Eriogonum latifolium H. E. Parks -Aug-1941 24198 Humboldt Little River Comment
  RSA171075  Eriogonum latifolium Robert F. Thorne 1957-9-3 19014 Humboldt Little River Beach, few miles S of Trinidad. Comment
  CDA39221  Eriogonum luteolum D. Juliano 2013-8-1 PDR# 120 P06003640 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  CAS-BOT-BC259541  Eriogonum luteolum var. luteolum A. A. Heller 1924-7-20 13861 Humboldt Along the Eel River at Phillipsville Comment
  CAS-BOT-BC259542  Eriogonum luteolum var. luteolum Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC54580  Eriogonum nudum Overton, Butler 1979-7-24 9622 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  HSC99018  Eriogonum nudum var. nudum Cara Witte 2008-7-14 902 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  UCR32155  Eriogonum nudum var. nudum David J. Keil 1983-7-1 17272 Humboldt North Coast Range, Bull Creek Flats [Mattole] Road, c. 13 mi. west of junction with US Hwy 101 Comment
  UC162628  Eriogonum nudum var. nudum Joseph P. Tracy 1911-7-4 3294 Humboldt along Willow Creek, near its mouth N. Coast Ranges, Willow Creek (Tributary of Trinity River) 243 Comment
  BLMAR664  Eriogonum nudum var. oblongifolium Jennifer Wheeler 2012-7-10 664 Humboldt King range, Trail to Mackey allotment, along gravely dry slopes 609 Comment
  CAS-BOT-BC261730  Eriogonum nudum var. oblongifolium F. J. Kirby 1958-7-1 1205 Humboldt Bluff Creek Campground s. of Orleans 609 Comment
  CAS-BOT-BC269862  Eriogonum nudum var. pubiflorum Doris K. Kildale 1926-6-9 2144 Humboldt Horse Mountain 1219 Comment
  SEINET3404935 Image available Eriogonum nudum var. pubiflorum Joseph P. Tracy 1916-6-20 4729 Humboldt Dobbyn Creek Comment
  SEINET245667  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8346 Humboldt Along U.S. Forest Service Road 1 northwest of Grouse Mountain at milepost 14.3, about 10.3 air miles southwest of Salyer 1372 Comment
  HSC55065  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-31 11633 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  BLMAR539  Eriophyllum lanatum Jennifer Wheeler 2009-6-23 539 Humboldt King range, On Paradise Ridge road Comment
  HSC5581  Eriophyllum lanatum var. achilleoides H. E. Parks, J. P. Tracy 1934-6-27 11063 Humboldt Grouse Mtn. 1433 Comment
  HSC74750  Eriophyllum lanatum var. grandiflorum Gail Newton 1981-7-10 2228 Humboldt Near Board Camp Butte 1494 Comment
  UC76599  Eriophyllum lanatum var. grandiflorum Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa Comment
  CDA17338  Eriophyllum staechadifolium B. Freeman 2004-8-2 PDR 1403792 Humboldt North Coast; Petrolia Road, Lost Coast, Petrolia. 0 Comment
  UC709446  Erodium brachycarpum Joseph P. Tracy 1941-4-11 16918 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA43867  Erodium brachycarpum H. M. Pollard 1947-8-18 s.n. Humboldt Orleans Hotel grounds, Orleans. Comment
  HSC8496  Erodium cicutarium D. B. Bader 1963-3-1 30 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  HSC100485  Erodium moschatum Carl C. Marshall May 1886 197 Humboldt Yard's etc. Comment
  HSC82395  Erysimum capitatum Thomas W. Nelson 1979-7-11 5008 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC6761  Erysimum capitatum var. capitatum P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  HSC74234  Erysimum capitatum var. capitatum M. A. Baker 1980-7-11 2789 Humboldt Near Red Mtn. 1341 Comment
  HSC6787  Erysimum menziesii J. R. Woodside 1963-3-10 40 Humboldt 1.25 mi. N of Fairhaven. Comment
  CAS-BOT-BC383050  Erythranthe guttata David B. Lowry 2005-5-16 BHI Humboldt In a stream running under Bald Hills Road 772 Comment
  HSC48836  Erythronium grandiflorum subsp. grandiflorum Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 29 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  RSA261455  Erythronium oregonum Suzanne May 1967-4-15 24 Humboldt Kneeland Road, 7 miles north of Bridgeville 213 Comment
  HSC38258  Erythronium revolutum Thomas W. Nelson 1976-4-3 2283 Humboldt Hwy 36 at east end of Swain's Flat Comment
  RSA367654  Erythronium revolutum Thomas W. Nelson 1976-4-3 2283 Humboldt Hwy 36 at east end of Swains Flat. Comment
  UC3620  Erythronium revolutum C. C. Marshall 1888-1 Humboldt Comment
  CAS-BOT-BC403034  Eschscholzia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC26879  Eschscholzia californica Clifton Raymond Chesbrough 1973-6-19 86 Humboldt 1/2 mi. S of Trinidad along the coast Comment
  UC1541242  Eschscholzia californica W. K. Parks July 1933 1398 Humboldt South Fork Mountain Comment
  JEPS20466  Euchiton gymnocephalus Joseph P. Tracy 1923-4-1 6175 Humboldt near Blue Lake 304 Comment
  SEINET11855621  Euchiton gymnocephalus J. P. Tracy 1948-9-26 18232 Humboldt at S end of Fickle Hill, 6 mi SE of Arcata 610 Comment
  HSC49682  Euchiton sphaericus J. O. Sawyer 1977-7-1 2990 Humboldt Aikens campground. Comment
  HSC100666  Eunanus kelloggii Carl C. Marshall May 1887 417 Humboldt Spruce Grove region. Comment
  CAS-BOT-BC206925  Euonymus occidentalis Joseph P. Tracy; H. E. Parks 1925-6-14 7123 Humboldt Kneeland Paririe Road, along stream. 457 Comment
  NY263154  Euphorbia occidentalis V. K. Chesnut 1888-7-23 Humboldt Hy-Am-Pum (spelling?) Comment
  CAS-BOT-BC312211  Eurybia radulina Doris K. Kildale 1925-8-21 1312 Humboldt Head of South Yager Creek 914 Comment
  CAS-BOT-BC312212  Eurybia radulina Doris K. Kildale 1927-7-25 3839 Humboldt Table Bluff near lighthouse Comment
  JEPS31926  Eurybia radulina Joseph P. Tracy 1921-10-16 5973 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 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-BC458291  Euthamia occidentalis Carl D. Duncan 1920-9-22 s.n. Humboldt Bank of Trinity River, Hoopa Valley Comment
  SEINET3243998  Euthamia occidentalis Joseph P. Tracy 1931-1 9636 Humboldt Lack Pond; in Trinitiy River Valley, opposite mouth of Willow Creek. 152 Comment
  CAS-BOT-BC413855  Fallopia sachalinensis T. C. Fuller 1960-8-25 4973 Humboldt W/Hwy 101, 1/4 mile N/Humboldt Hill Rd., Eureka Comment
  OBI10874  Fallopia sachalinensis T. C. Fuller 1968-7-30 17447 Humboldt NE side of Hwy 101 fwy overpass, Fields landing Comment
  SEINET260371 Image available Festuca californica R. Spellenberg 1992-7-10 10246 Humboldt E edge county 8 mi WSW of Salyer 6 mi S of Berry Summit on CA Hwy 299; USFS 1372 Comment
  RSA273307  Festuca californica var. californica Thomas W. Nelson, Jane P. Nelson 1976-6-16 2740 Humboldt West of Alder Springs along 2S07. 1524 Comment
  RSA10078  Festuca elmeri Joseph P. Tracy 1927-5-8 7962 Humboldt Phillipsville open oak groves facing South Fork of Eel River. 122 Comment
  HSC9951  Festuca idahoensis D. C. Juve 1964-5-16 43 Humboldt Campbell Creek Ranger Station, Camp Tish-Tang, Hwy 96. Comment
  HSC74468  Festuca occidentalis Gail Newton 1980-7-22 1705 Humboldt Near Devils Backbone 1545 Comment
  UC1145211  Festuca occidentalis Joseph P. Tracy 1936-7-28 15019 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC187114  Festuca occidentalis Joseph P. Tracy 1908-6 2705 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC73769  Festuca rubra M. A. Baker 1980-6-7 1778 Humboldt Near Brush Mtn. 1128 Comment
  RSA126626  Festuca rubra H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  UC1100358  Festuca rubra Malcolm A. Nobs and S. Galen Smith 1949-8-3 1171 Humboldt Fields Landing Comment
  SEINET200340 Image available Festuca subulata Joseph P. Tracy 1937-7-25 15541 Humboldt Head of Little Hors-Linto Creek [Horse Linto Creek] 1372 Comment
  POM206179  Festuca subuliflora H. P. Chandler 1901-1 s.n. Humboldt Humboldt Bay. Comment
  UC1056065  Festuca subuliflora J. I. Mallory 1955-2-22 115 Humboldt 1 mi n Luke Prairie Quad. (Quad 29-B-2); Peavine Ridge 701 Comment
  UC53425  Festuca subuliflora Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5407 Humboldt Hubbards Station Comment
  HSC21494  Foeniculum vulgare H. D. Sumner 1959-7-20 Humboldt West End Rd. along the Mad River 3 Comment
  HSC23236  Foeniculum vulgare Thomas W. Nelson 1970-10-31 282 Humboldt Beside Hwy 101, 200 m S of the bridge over Eureka Slough Comment
  SD39959  Fragaria chiloensis Charlotte M. Hoak 1931-7-14 2103 Humboldt Eureka, sand dunes on bar Comment
  HSC44279  Fragaria vesca D. L. Goforth 1977-4-23 4 Humboldt 2.5 mi.. S of Shelter Cove Rd. S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC41312  Frangula californica Brad Klipfel 1974-9-2 544 Humboldt Horse Mtn. Comment
  SD22835  Frangula californica subsp. californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter Cove 60 Comment
  CAS-BOT-BC59969  Frangula purshiana Volney Rattan 1882-6-1 s.n. Humboldt Mad River. Comment
  CAS-BOT-BC59999  Frangula purshiana C. B. Wolf 1931-8-30 2373 Humboldt E. side of Eureka on P. St., one block n. of Henderson St. 30 Comment
  HSC89485  Frangula purshiana P. A. Daly 1984-5-13 19 Humboldt Along trail at Trinidad Head 61 Comment
  CAS-BOT-BC136029  Fritillaria affinis Doris K. Kildale 1928-5-19 5225 Humboldt Chalk Mountain Comment
  HSC65470  Fritillaria affinis M. A. Baker 1980-6-8 1900 Humboldt Near Buck Flat. 1554 Comment
  UC175284  Fritillaria affinis Joseph P. Tracy 1913-6-20 4228 Humboldt nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC667119  Fritillaria purdyi Joseph P. Tracy 1938-6-13 15925 Humboldt Horse Mt. 1432 Comment
  HSC31447  Fritillaria recurva D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5564 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  UC902105  Fumaria officinalis Joseph P. Tracy 1949-4-1 18277 Humboldt Eureka; Northern Coast Ranges Comment
  HSC40954  Galium aparine Linda M. Barker 1976-6-14 1601 Humboldt 3 mi. W of Arcata Comment
  HSC70395  Galium bolanderi M. A. Baker 1980-6-7 1846 Humboldt Near Ammon Creek 732 Comment
  POM367782  Galium bolanderi Anstruther Davidson 1919-7-1 3319 Humboldt Eel River Comment
  UC175782  Galium californicum subsp. californicum Joseph P. Tracy 1912-7-23 3805 Humboldt along river 5 mi above mouth; Northern Coast Ranges, South Fork Eel River 30 Comment
  JEPS52855  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3864 Humboldt 4.2 mi e Garberville (on road to Harris, at crest of ridge) 640 Comment
  JEPS52858  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-9 3850 Humboldt 6 mi e Bridgeville (on Hwy 36 to Dinsmore, sw-facing slope) 609 Comment
  HSC103090  Galium grayanum var. nanum Sydney Carothers 2014-7-3 16 Humboldt Six Rivers National Forest, Lassics Botanical Area, Mt. Lassic, upper north slope 1775 Comment
  JEPS21476  Galium muricatum Francia Chisaki and Gene B. Newcomb 1958-6-23 1164 Humboldt on road to Shelter Cove 4 mi e of its junction with road to Ettersburg; on road to Shelter Cove 579 Comment
  SEINET12514834  Galium nuttallii B. D. Rogers, W. J. Ferlatte 1966-6-15 2092 Humboldt Near Bridge ville. Comment
  JEPS14011  Galium parisiense Roxana S. Ferris 1955-7-11 12972 Humboldt betw. Willow Creek and Blue Lake (summit of US Hwy 299) Comment
  JEPS6495  Galium parisiense Joseph P. Tracy 1911-7-4 3278 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  HSC41598  Galium parisiense Thomas W. Nelson 1977-7-4 3610 Humboldt Alder Springs 1524 Comment
  POM266166  Galium porrigens Ynez Whilton Winblad 1941-6-25 s.n. Humboldt Between Garberville and Pepperwood. Comment
  HSC34701  Galium porrigens var. porrigens Thomas W. Nelson 1974-8-24 1702 Humboldt Weitchpec, under highway bridge over Klamath River Comment
  HSC79485  Galium porrigens var. porrigens Kenneth Clark 1980-3-1 508 Humboldt Shelter Cove, middle alluvial terrace, Dead Man's Gulch 37 Comment
  UC1196082  Galium trifidum Joseph P. Tracy 1935-7-17 14098 Humboldt opposite mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley, Lack Pond 152 Comment
  UC1196079  Galium triflorum Joseph P. Tracy 1930-7-16 8925 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  BLMAR268  Gamochaeta ustulata Jennifer Anthony-Wheeler 1999-6-16 268 Humboldt Headwaters Forest Reserve, Disturbed or wasted areas 463 Comment
  UC166543  Gamochaeta ustulata Joseph P. Tracy 1911-7-9 3462 Humboldt near mouth of Willow Creek; North Coast Ranges, Valley of Trinity River, Willow Creek 152 Comment
  HSC91891  Garrya elliptica E. Mackey 1986-7-21 Humboldt Patrick's Point State Park; Wedding Rock Trail Comment
  POM224222  Garrya elliptica H. E. Parks 1933-02 4287 Humboldt Trinidad Comment
  HSC99050  Garrya fremontii Cara Witte 2008-6-18 750 Humboldt Horse Mountain Botanical Area. Approximately 1 mile east of junction 6N36 and 6N36A. 1394 Comment
  POM212193  Garrya fremontii Carl B. Wolf 1930-10-24 1762 Humboldt Along the Klamath River one mile above mouth of Slate Creek. 244 Comment
  UC1051597  Garrya fremontii Joseph P. Tracy 1948-9-12 18214 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC1193366  Garrya fremontii P. Zinke 1950-10-9 183 Humboldt e side King Peak 1188 Comment
  UCD121162  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UCSB72519  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
  UC32666  Gaultheria ovatifolia Chesnut and Drew 1888-8-6 Humboldt Head of Redwood Creek Comment
  CAS-BOT-BC58918  Gaultheria shallon Doris K. Kildale 1928-5-19 5200 Humboldt Chalk Mountain Comment
  HSC22500  Gaultheria shallon R. D. Modafferi 1965-4-8 29 Humboldt 2.1 mi. N of Trinidad on Trinity St. 305 Comment
  HSC22506  Gaultheria shallon R. E. Hafenfeld 1965-5-9 4 Humboldt Jct. of County Rd. and Gold Bluff Beach Rd. Comment
  HSC31810  Gaultheria shallon Steve Selva, Roger Jensen 1974-8-21 26 Humboldt Redwood grove adjacent to Hwy. 101 rest stop, ca. 3 mi. N of Trinidad Comment
  HSC7811  Gaultheria shallon J. Pursell 1964-10-18 10182 Humboldt Hwy. 299, 15 mi. N of Blue Lake Comment
  SDSU2869  Gaultheria shallon Harvey 1938-8-13 2254 Humboldt West of Arcata. Comment
  UC1193364  Gaultheria shallon P. Zinke 1950-9-21 164 Humboldt Outside National Forest, Kerr Peak Kerr Peak; Outside National Forest, Kerr Peak 609 Comment
  UC1197592  Gaultheria shallon J. P. Tracy 1901-5-30 1114 Humboldt immediate vicinity Eureka 0 Comment
  HSC55224  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-8-2 12402 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99578  Gayophytum diffusum subsp. parviflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 243 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS27602  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-7-26 12919 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1196967  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-8-30 13044 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC505127  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9050 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 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
  UC505122  Gayophytum humile Joseph P. Tracy 1932-7-11 10424 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC14652  Genista monspessulana R. J. Vernimen 1963-2-26 7 Humboldt Sunnybrae in canyon parallel to Shirley Blvd. and ending at Beverly Dr. Comment
  CAS-BOT-BC217417  Gentiana plurisetosa D. H. Esplin 1969-10-14 20 Humboldt One mile north of North Trinity Mountain, Six Rivers N.F. 1828 Comment
Read comments
Dec 21 2017
  JEPS24355  Gentiana plurisetosa Mary H. Manning 1900-1 Humboldt Trinity Summit Comment
  HSC96464  Gentiana sceptrum Gordon Leppig 1997-8-3 636 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  RSA183533  Gentiana sceptrum D. E. Anderson 1963-9-6 2810 Humboldt Big Lagoon Sphagnum Bog Comment
Read comments
Feb 26 2014
  UC153981  Gentiana sceptrum J. P. Tracy 1906-7-1 2516 Humboldt immediately vicinity Eureka 0 Comment
  UC162717  Gentiana sceptrum Joseph P. Tracy 1911-8-27 3535 Humboldt Eureka Northern Coast Region 0 Comment
  UC1197397  Geranium bicknellii Joseph P. Tracy 1949-8-4 18422 Humboldt Mud Springs Trinity Summit 1341 Comment
  HSC95593  Geranium dissectum Andrea Pickart 2002-5-24 110 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  HSC8652  Geranium molle J. L. Baker 1965-4-2 30 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  HSC8656  Geranium molle Richard Spjut 1968-11-2 258 Humboldt On the SW slope of Chaparral Mtn. 701 Comment
  POM127015  Gilia capitata P. E. Goddard 1907-6-5 116 Humboldt Van Duzen Comment
  UC774990  Gilia capitata subsp. capitata Carl B. Wolf 1937-8-13 9219 Humboldt on new road towards Trinity Summit 8 mi e Hoopa Valley; North Coast Range, e of Hoopa Valley 1219 Comment
  HSC59713  Gilia millefoliata Clark L. Miller 1979-5-9 4114 Humboldt Samoa Dunes off Samoa Blvd. Comment
  JEPS16254 Image available Gilia millefoliata J. P. Tracy 1903-6-12 1921 Humboldt immediate vicinity Eureka; ; Eureka, Humboldt Co. 0 Comment
  CAS-BOT-BC266491  Githopsis diffusa L. R. Abrams 1918-6-16 7176 Humboldt Willow Creek Comment
  JEPS11824  Githopsis diffusa subsp. robusta Lincoln Constance 1934-6-4 819 Humboldt Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  UC169033  Githopsis specularioides J. P. Tracy 1903-5-23 1906 Humboldt Alder Point Eel River 152 Comment
  JEPS76828  Glaux maritima L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4806 Humboldt 1.2 mi n Eureka Bridge; Samoa Peninsula Comment
  UCD132389  Glebionis segetum Lincoln Constance 1934-6-25 927 Humboldt Bull Creek Region, South Fork Eel River, on east side of the road at Englewood across the road from Collins' Englewood Campground. 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
  UC179951  Glechoma hederacea Joseph P. Tracy 1914-5-17 4475 Humboldt ridge between Freshwater and Ryans Slough (at abandoned Cumens claim); Northern Coast Region, Humboldt Bay Region 304 Comment
  SD39903  Glehnia littoralis Edith A. Purer 1932-7-27 4151 Humboldt Near Samoa Comment
  HSC74756  Glyceria elata Gail Newton 1981-8-6 2402 Humboldt Near Humbug Creek 1256 Comment
  SEINET200359 Image available Glyceria elata J. P. Tracy 1935-7-25 114251 Humboldt Trinity Summit lower end of Brett Hole 1585 Comment
  RSA10123  Glyceria striata Joseph P. Tracy 1926-6-6 7558 Humboldt Northern Coast Ranges, Hoopa Mountain, near summit on road west from Hoopa to Bair's. 1067 Comment
  UC1103750  Glyceria striata Joseph P. Tracy 1934-7-18 13430 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  UC195428  Glycyrrhiza lepidota Joseph P. Tracy 1915-9-12 4668 Humboldt Laribee Creek Northern Coast Ranges, Eel River (mouth, fields along river) 30 Comment
  CAS-BOT-BC302533  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt Trinity Summit. Open places at Corral Prairie 1584 Comment
  CAS-BOT-BC302619  Gnaphalium palustre Joseph P. Tracy 1933-8-30 13043 Humboldt North Coast Ranges. Grouse Mountain 1524 Comment
  JEPS79300  Gratiola ebracteata Wm. C. Vinyard and Scott W. Hilton 1980-9-16 800916 .1 Humboldt near summit of Snowcamp Mnt (ne side of Snowcamp Lake); near summit Snowcamp Mnt, ne side Snowcamp Lake 1371 Comment
  UC147895  Gratiola ebracteata Joseph P. Tracy 1908-6-7 2618 Humboldt Butler Valley Northern Coast Ranges, , Butler Valley (Mad River) 152 Comment
  UC582587  Gratiola ebracteata Joseph P. Tracy 1935-5-25 13840 Humboldt Fort Seward 106 Comment
  CAS-BOT-BC304735  Grindelia hirsutula L. R. Abrams 1927-8-31 12057 Humboldt Along highway between Eureka and Arcata Comment
  HSC89904  Grindelia hirsutula Leonel Arguello 1989-7-14 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. Comment
  HSC91913  Grindelia hirsutula E. Mackey 1986-12-18 Humboldt Patricks Point State Park; parking lot at Palmer's Point Comment
  RSA125369  Grindelia hirsutula Peter H. Raven, Richard Snow 1958-7-21 13659 Humboldt Cape Mendocino Comment
  UC722051  Grindelia hirsutula C. L. Hitchcock and J. S. Martin 1939-7-14 5437 Humboldt bluffs facing sea at Shelter Cove Comment
  SEINET10724140  Grindelia hirsutula Harold E. Parks Parks 24190 Humboldt Gravel near water, Big Lagoon. Comment
  UC1552453  Grindelia hirsutula R. D. Goeden 1987-9-2 21 Humboldt on bank above Mattole Road; Cape Mendocino (Cape Ridge) 182 Comment
  HSC100584  Habenaria sparsiflora Carl C. Marshall Jun 1886 315 Humboldt Mud Spring Camp. Comment
  RSA254793  Hackelia bella D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5571 Humboldt Westward lower slopes of Black Lassic near Trinity County line 1585 Comment
  HSC48770  Hackelia micrantha Brad Klipfel 1973-6-10 50 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC205152  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-23 5287 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 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
  UC1199145  Helenium bigelovii Joseph P. Tracy 1932-7-14 10541 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC306613  Helenium bigelovii Doris K. Kildale 1925-8-15 1173 Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  JEPS35023  Helenium bigelovii Joseph P. Tracy 1937-8-12 15627 Humboldt Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  JEPS35428  Helenium bigelovii H. W. Grinnell 1932-7-22 Humboldt near Blake Lookout; South Fork Mt. Comment
  UC552839  Heliotropium curassavicum Joseph P. Tracy 1935-8-25 14747 Humboldt Stone Lagoon North Coast Ranges, Stone Lagoon 3 Comment
  CHSC26961  Helminthotheca echioides M. S. Taylor 1977-8-5 1431 Humboldt Around bridge over Eel River, at the turn off from Hwy 101 to Ferndale, in Fernbridge. Comment
  UC1223170  Helminthotheca echioides Joseph P. Tracy 1950-9-10 19361 Humboldt 1 mi inland from Cape Mendocino (1/2 mi s of town, brushy hillside along the coast road); foothills of the Cape Mendocino Ridge 60 Comment
  HSC25942  Helminthotheca echioides Thomas W. Nelson 1970-10-31 294 Humboldt Eel River near N end of the Scotia Bluff. Comment
  HSC97359  Hemitomes congestum John DeMartini 1975-7-2 Humboldt Azalea Ave. Maw property, McKinleyville. Bulk Collection 81 Comment
  HSC63147  Hemitomes congestum M. A. Baker 1979-6-30 972 Humboldt Top of ridge 1400 Comment
  UC582404  Hemizonella minima Joseph P. Tracy 1929-7-4 8631 Humboldt French Camp Ridge 1066 Comment
  HSC44160  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1977-6-19 3495 Humboldt Above Alder Springs 1585 Comment
  HSC70956  Hemizonella minima Thomas W. Nelson 1977-6-15 3431 Humboldt Along FS Rd. 6N01 about 1 mi. S of junction with FS Rd. 5N10 1372 Comment
  POM160904  Hemizonia clevelandii Joseph P. Tracy 1925-7-12 7200 Humboldt Trinity River Valley, near the South Fork. Northern Coast Ranges. 305 Comment
  UC495624  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Dobbyn Creek Northern Coast Ranges Comment
  UC1223088  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt Comment
  JEPS14231  Heracleum lanatum Joseph P. Tracy 1934-7-27 13491 Humboldt near mouth Mad R. 15 Comment
  UCSB25051  Heracleum maximum Keefe, Joseph 1967-7-8 Humboldt Brushy roadside, junction crannell Road and Little River Drive, north of Eureka 6 Comment
  OBI12533  Hesperolinon micranthum Joseph P. Tracy 2011-7-6 3356 Humboldt Northern Coast Ranges. Mountain slopes along rd between Three crks and mouth of Willow crk Comment
  SEINET3166724  Heterotheca oregona var. rudis Unknown 1986-8-18 8531 Humboldt Garberville. Gravel bar of S fork of Eel River near U.S.-101, at Bear Canyon Rd. Comment
  CDA25406  Heuchera micrantha A. C. Browne Sr. 1980-6-11 37 Humboldt 0 Comment
  HSC8624  Heuchera micrantha Jack Rockwell 1962-4-29 34 Humboldt S Bank of Van Duzen River, E of Hwy. 101 9 Comment
  HSC76266  Heuchera rubescens Teresa Prendusi 1981-7-24 515 Humboldt Near Whiteys Peak 1634 Comment
  CAS-BOT-BC312386  Hieracium albiflorum Ira L. Wiggins 1930-7-22 4691 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC41261  Hieracium albiflorum Brad Klipfel 1974-7-23 453 Humboldt Horse Mountain, NW from the towers Comment
  HSC67880  Hieracium albiflorum J. P. Smith 1973-5-26 6874 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC71595  Hieracium albiflorum M. A. Baker 1980-6-26 2406 Humboldt Near Sims Creek 610 Comment
  HSC72677  Hieracium albiflorum J. P. Smith 1977-7-3 9241 Humboldt Six Rivers National Forest, on Rd. to Onion Lake, 4.7 mi. from junction with Hwy. 36 610 Comment
  UC1223085  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18181 Humboldt high ridge e Grove's Prairie (near Elk Camp on the Grizzly Camp Road); Trinity Summit 1524 Comment
  SEINET11847768  Hieracium bolanderi J. P. Tracy 1947-1 17849 Humboldt Horse Mountain Comment
  HSC100488  Hierochloe macrophylla Carl C. Marshall 353 Humboldt S side of Table Bluff. Comment
  POM311256  Hierochloe occidentalis Keith C. Hughes 1961-2-3 327 Humboldt Richardson Grove State Park; Coast Ranges Mt. Range 137 Comment
  HSC13459  Hippuris vulgaris Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  UC1103731  Holcus lanatus J. P. Tracy 1901-4-7 1012 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  SEINET8718745 Image available Holcus lanatus H. E. Parks, S. T. Parks 1943-1 24260 Humboldt Spruce Cove, Trinidad 61 Comment
  CAS-BOT-BC149900  Holodiscus discolor Elmer I. Applegate 1923-9-12 3989 Humboldt Stone Lagoon Comment
  CAS-BOT-BC284691  Hordeum jubatum Joseph P. Tracy 1927-7-16 8249 Humboldt Northern Coast Region. Around Humboldt Bay. Mouth of Elk River 3 Comment
  HSC26776  Hordeum marinum subsp. gussoneanum Thomas W. Nelson 1971-5-31 466 Humboldt 915 Comment
  HSC99121  Hordeum marinum subsp. gussoneanum Cara Witte 2007-6-4 201 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  CAS-BOT-BC289563  Hordeum marinum subsp. gussoneanum David D. Keck 1948-7-2 6001 Humboldt Ridge east of Redwood Creek on road to Willow Creek on US route 299 Comment
  HSC96156  Hosackia crassifolia var. crassifolia Thomas W. Nelson, Jane P. Nelson 1987-6-11 8531 Humboldt Along F.S. Rd. 13N01, 18 mi. from junction with State Route 96 1067 Comment
  JEPS1641  Hydrophyllum tenuipes W. L. Jepson 1932-7-27 16427 Humboldt Bull Creek 106 Comment
  UC213008  Hydrophyllum tenuipes Joseph P. Tracy 1920-5-18 5318 Humboldt Bull Creek Northern Coast Ranges (along Eel River from South Fork to Scotia) 60 Comment
  UC562602  Hydrophyllum tenuipes Joseph P. Tracy 1924-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  HSC101988  Hypericum anagalloides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 887 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC400795  Hypericum anagalloides Doris K. Kildale 1925-8-17 1241 Humboldt Trinity Summit - Waterdog Lake 1828 Comment
  UC1714398  Hypericum formosum var. scouleri Joseph P. Tracy 1913-7 4393 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  RSA60489  Hypericum mutilum John H. Thomas 1949-6-12 899 Humboldt Near Klamath River, 1/2 mile N of town of Orleans Comment
  CAS-BOT-BC401236  Hypericum perforatum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC401231  Hypericum perforatum J. H. Thomas 1949-6-12 899 Humboldt Near Klamath River, about 1/2 mile north of town of Orleans Comment
  HSC67967  Hypericum perforatum J. P. Smith 1973-5-26 6830 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC98532  Hypericum perforatum Cara Witte 2007-7-3 402 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  UC166089  Hypochaeris glabra Joseph P. Tracy 1911-5-27 3193 Humboldt Comment
  UC204783  Hypochaeris radicata Joseph P. Tracy 1918-7-5 5023 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC100106  Hypochaeris radicata A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC100166  Ilex aquifolium J. P. Smith 2010-2-27 12708 Humboldt Azalea State Reserve SE of McKinleyville. 50 Comment
  CAS-BOT-BC206847  Iliamna latibracteata C. B. Wolf 1934-7-3 5909 Humboldt 3 miles north of Orick on Redwood Highway, Davison's Ranch on Prairie Creek 60 Comment
  JEPS67376 Image available Iliamna latibracteata Joseph P. Tracy 1926-6-12 7585 Humboldt Prairie Creek Northern Coast Ranges. 152 Comment
  RSA12528  Iliamna latibracteata Carl B. Wolf 1934-7-3 5909 Humboldt Redwood Hwy 3 miles north of Orick (Davison s Ranch on Prairie Creek) 61 Comment
  SEINET10830077 Image available Iliamna latibracteata Joseph P. Tracy 1938-8-14 Tracy 16104 Humboldt Willow Creek anyon, along Trinity Highway. 762 Comment
  SEINET4170666  Iris Unknown 1942-5-12 Humboldt Klamath River 2 mi.'s N of Orleans Comment
  HSC91876  Iris douglasiana E. Mackey 1986-5-13 Humboldt Patrick's Point State Park near Ceremonial Rock Comment
  JEPS539  Iris douglasiana W. L. Jepson 1932-8-9 16543 Humboldt Bull Creek Comment
  UC14932  Iris douglasiana J. P. Tracy 1901-6-30 1190 Humboldt immediate vicinity Eureka 0 Comment
  RSA135855  Iris douglasiana Lee W. Lenz, E. K. Balls 1951-5-8 16511 Humboldt 1.6 miles south of Myers to Nelson Grove, Highway 101 Comment
  RSA70604  Iris douglasiana Frank W. Peirson 1923-7-12 3692 Humboldt About 5 miles north of Orick Comment
  UC667113  Iris douglasiana Joseph P. Tracy 1933-5-20 12257 Humboldt Mattole Valley; Northern Coast Ranges 30 Comment
  BLMAR624  Iris purdyi Jennifer Wheeler 2011-6-1 624 Humboldt Lacks Creek, Bair rd near pickle springs 609 Comment
  HSC66479  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-5-9 450 Humboldt FS Rd. 12N20, 1.5 mi. W of its junction with FS Rd. 15N01, Orleans 793 Comment
  JEPS17239  Iris tenuissima Joseph P. Tracy 1932-7-17 10662 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  OBI36658  Iris tenuissima David J. Keil 1983-7-2 17311 Humboldt Ca 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mtn Summit Rd Comment
  HSC97581  Iris tenuissima subsp. tenuissima Cara Witte 2007-5-29 131 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1251 Comment
  HSC38356  Isatis tinctoria J. P. Smith, J. O. Sawyer 1974-6-2 7649 Humboldt Below Berry Summit on old Hwy. 299 762 Comment
  JEPS60150  Isoetes nuttallii Joseph P. Tracy 1938-7-7 16034 Humboldt at Cold Springs Grouse Mt; Grouse Mt., Cold Springs 1432 Comment
  POM185720  Isolepis cernua Joseph P. Tracy 1917-6-10 4821 Humboldt Eureka. 0 Comment
  CDA8060  Jaumea carnosa T. C. Fuller 1961-9-27 7044 Humboldt West of Highway 101, 1 mile north of Indianola Road, 5 miles north of Eureka. 0 Comment
  UC1199148  Jaumea carnosa J. P. Tracy 1901-8-7 1251 Humboldt salt marsh Samoa (immediate vicinity of Eureka) 0 Comment
  UC303152  Juncus balticus subsp. ater Joseph P. Tracy 1925-8-2 7221 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC249542  Juncus bolanderi Joseph P. Tracy 1921-10-16 5971 Humboldt near Willow Creek (mouth of South Fork Trinity River); Northern Coast Ranges, Trinity River Valley 152 Comment
  CDA39158  Juncus breweri T. C. Fuller 1961-9-28 7057 Humboldt 1.5 miles south of Samoa. 0 Comment
  HSC90771  Juncus bufonius Gail Newton 1982-6-10 3602 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC99805  Juncus effusus subsp. pacificus Thomas W. Nelson 1975-9-24 2202 Humboldt Beside Indianola Rd., 0.5 mi. E of junction with Hwy. 101 Comment
  UC1152098  Juncus ensifolius Joseph P. Tracy 1938-7-4 15995 Humboldt Valley of South Yager Creek 762 Comment
  RSA246769  Juncus falcatus subsp. sitchensis Robert F. Thorne, Percy C. Everett 1965-8-7 35175 Humboldt Big Lagoon. 2 Comment
  RSA42045  Juncus hesperius Ella Dales Cantelow 1936-8-28 1634 Humboldt 4 1/2 miles SW of Dinsmore s Comment
  HSC67453  Juncus laccatus J. P. Smith, Steve Selva 1970-6-30 4124 Humboldt Comment
  CHSC105160  Juncus lescurii Peter F. Zika 2008-11-3 24275 Humboldt Sunny meadow just above salt marsh, with Juncus breweri, Festuca arundinacea, Baccharis, Ammophila, mouth of Elk River NW of Route 101 bridge, 2 air km S of Eureka; North Coast (NCo) 2 Comment
  UC1151998  Juncus occidentalis Joseph P. Tracy 1930-7-17 8981 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC99032  Juncus patens Cara Witte 2008-7-14 896 Humboldt Cold Spring. 0.5 mi. S of Titlow Hill. 1440 Comment
  HSC58135  Juniperus communis var. saxatilis Gilbert Muth 1979-8-1 12143 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC4845  Kalmia polifolia J. O. Sawyer 1968-9-27 727 Humboldt Near Waterdog Lakes and N Trinity Mtn. 1768 Comment
  LA209293  Keckiella breviflora Marcus E. Jones; 1931-7-16 28828 Humboldt junction, E of Arcata Comment
  HSC74667  Keckiella corymbosa Gail Newton 1981-8-7 2429 Humboldt Near Bug Creek Butte 1244 Comment
  JEPS11135  Keckiella corymbosa Lincoln Constance 1934-6-27 934 Humboldt just w Bull Creek Flat (on Bull Creek road); South fork Eel River, Bull Creek Region Comment
  JEPS11138  Keckiella corymbosa W. L. Jepson 1932-7-25 16396 Humboldt Old Camp Grant; Eel River 91 Comment
  CAS-BOT-BC237833  Keckiella lemmonii Joseph P. Tracy 1929-8-4 8648 Humboldt Ridge between Bull Creek and Mattole River 762 Comment
  UC885732  Kickxia elatine Carl D. Duncan 1920-9-22 Humboldt Hoopa Valley Comment
  JEPS24829  Kickxia spuria H. G. Baker, A. Nelson, J. Surenson, A. Weston 1960-12-29 Humboldt near Nelson Grove; Humboldt Redwoods State Park 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
  POM187943  Lactuca biennis Marcus E. Jones 1931-7-14 29090 Humboldt South of Eureka Comment
  JEPS19954  Lagophylla ramosissima Joseph P. Tracy 1934-7-9 13354 Humboldt Dobbyn Creek 152 Comment
  UC169348  Lagophylla ramosissima Joseph P. Tracy 1912-8-3 3966 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS79915  Lamium amplexicaule Joseph P. Tracy 1934-7-12 13380 Humboldt Eureka 30 Comment
  RSA170204  Lapsana communis Joseph P. Tracy 1944-7-3 17482 Humboldt Graham's Peach Orchard. Trinity River Valley at Willow Creek. 152 Comment
  UC166223  Lasthenia californica subsp. californica J. P. Tracy 1905-4-30 2177 Humboldt Ocean beach Opp. Eureka Comment
  HSC79382  Lasthenia californica subsp. macrantha Kenneth Clark 1981-5-24 1394 Humboldt Abalone Pt. 15 Comment
  UC1223220  Lasthenia glaberrima Joseph P. Tracy 1951-6-21 19530 Humboldt back Everett Beck house (formerly George Gray's) (Hydesville); in bed of former Goose Lake, Hydesville Comment
  HSC32085  Lathyrus jepsonii subsp. californicus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5702 Humboldt McKeown Ranch, N of Dinsmore Comment
  JEPS55292  Lathyrus lanszwertii var. tracyi Jos. P. Tracy 1918-5-26 4943 Humboldt Janes Ranch Grouse Mt.; Janes Ranch, Grouse Mt., Humboldt Co. 914 Comment
Read comments
Jun 2 2013
  HSC26882  Lathyrus latifolius Clifton Raymond Chesbrough 1973-6-19 89 Humboldt 0.5 mi. S of Trinidad along the coast Comment
  HSC40263  Lathyrus littoralis Linda M. Barker 1976-4-30 1409 Humboldt 3 mi. W of Arcata Comment
  HSC101985  Lathyrus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 883 Humboldt Patterson Meadows 1566 Comment
  CAS-BOT-BC205041  Lathyrus palustris Joseph P. Tracy 1907-7-20 2593 Humboldt Near Samoa. Region about Humboldt Bay 152 Comment
  CAS-BOT-BC205042  Lathyrus palustris Doris K. Kildale 1926-6-25 2177 Humboldt Big Lagoon Comment
  POM277780  Lathyrus polyphyllus Lyman Benson 1930-7-18 2189 Humboldt Arcata 457 Comment
  SEINET12153979  Lathyrus polyphyllus J. P. Tracy 1951-1 19469 Humboldt On Takilma-Happy Camp Road, nr state line. Happy Camp Mtn, in Trinity Summit Range, NE Hawkins Bar 1280 Comment
  SEINET956148  Lathyrus polyphyllus Joseph P. Tracy 1923-1 6344 Humboldt Bald Mt. 914 Comment
  HSC100520  Lathyrus torreyi Carl C. Marshall Jun 1886 319 Humboldt Trail E of Hoopa. Comment
  SBBG3374  Lathyrus vestitus H. and M. Dearing 1939-5-24 3420 Humboldt Dyerville-Mattole Rd Pass, W of Panther Gap Comment
  UC1222398  Lathyrus vestitus Joseph P. Tracy 1949-7-4 18327 Humboldt 2 mi e Kneeland (on the Butter Valley Road) 609 Comment
  UC931754  Lathyrus vestitus C. L. Hitchcock 1949-6-7 19082 Humboldt 0.5 mi s Weatt (along Highway 101) Comment
  CAS-BOT-BC325995  Layia carnosa David D. Keck; J. Clausen 1935-6-16 3381 Humboldt Mouth of Little River. Comment
  UC34742  Layia carnosa C. C. Marshall 1885-1-1 Humboldt Comment
  HSC59442  Lemna minor Kenneth Clark 1979-4-21 148 Humboldt Off of Cranell Rd., 50 ft. E of Hwy. 101 Comment
  UC1101253  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-9 1247 Humboldt Clam Beach Comment
  UCSB22188  Lemna obscura Joseph Keefe 1967-7-8 1862 a Humboldt collected along the E-side of U S Highway 101 turnoff to Crannell Road N of Eureka U S Highway 101, Crannell Road and Eureka 6 Comment
  UC1103517  Lemna turionifera Joseph P. Tracy 1915-9-5 4667 Humboldt between Buckspot and Elk River (at Eureka); Northern Coast Region, Eureka 0 Comment
  HSC59676  Leontodon saxatilis subsp. saxatilis George Kirn 1977-10-30 Humboldt 1/2 mi. from mouth of Elk River 8 Comment
  HSC17097  Leptosiphon androsaceus William J. Ferlatte, B. D. Rogers 1966-6-15 2104 Humboldt Larabee Valley 762 Comment
  HSC73816  Leptosiphon ciliatus Gail Newton 1980-6-7 119 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC226709  Leptosiphon latisectus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg Comment
  CAS-BOT-BC334613  Leucanthemum vulgare Doris K. Kildale 1927-6-27 3603 Humboldt Scotia 30 Comment
  CAS-BOT-BC94818  Leucanthemum vulgare R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-6 837 Humboldt Humboldt Redwoods S.P., Pole Line Prairie along Pole Line Road, 1 air mi. N of Mattole Rd., 6 mi. E of Hwy. 101 274 Comment
  CHSC299  Leucanthemum vulgare M. Underhill 1952-7-14 Humboldt Field. 15 Comment
  UC581785  Leucanthemum vulgare Joseph P. Tracy 1937-6-23 15360 Humboldt along Mad River; Blue Lake Comment
  UC673159  Lewisia cotyledon var. heckneri Lincoln Constance and Reed C. Rollins 1942-5-12 2885 Humboldt 6 mi ne Weitchpec (mouth of Bluff Creek); Bluff Creek 152 Comment
  HSC44553  Lewisia triphylla Brad Klipfel 1973-7-15 172 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1198372  Lewisia triphylla Joseph P. Tracy 1932-7-18 10711 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  HSC34742  Ligusticum californicum Thomas W. Nelson 1974-7-19 1673 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC74437  Ligusticum californicum Gail Newton 1980-8-10 2068 Humboldt Near Blake Mtn. 1707 Comment
  UC906664  Ligusticum californicum Joseph P. Tracy 1949-8-11 18482 Humboldt 2 - 6 mi. s.. from Grouse Mt. (Kinsey Ridge); Kinsey Ridge 1341 Comment
  HSC75965  Ligusticum grayi Overton, Butler 1979-8-2 12584 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  CDA36066  Ligustrum vulgare R. Robison 2011-6-3 Humboldt Trinidad State Beach, across road from Humboldt State Marine Research Center. 0 Comment
  HSC21520  Lilaeopsis occidentalis R. W. Spjut 1968-10-26 215 Humboldt Big Lagoon County Park, SW corner of Big Lagoon. Comment
  CAS-BOT-BC508403  Lilium columbianum A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt A few miles north of Arcata Comment
  SEINET12047013  Lilium columbianum F. H. Utech 1978-1 78 -260 Humboldt ca 2.5 km S of Del Norte/Humboldt County line on US 101 Comment
  CAS-BOT-BC130639  Lilium kelloggii A. M. Vollmer; L. Beane 1953-7-1 119 Humboldt Freshwater Comment
  UC302156  Lilium kelloggii Joseph P. Tracy 1926-6-13 7593 Humboldt Liscom HIll; Northern Coast Ranges 457 Comment
  SEINET3992215  Lilium pardalinum Unknown 1948-9-5 18196 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1372 Comment
  CAS-BOT-BC130728  Lilium pardalinum Albert Vollmer 1949-7-1 2 Humboldt On Bald Mountain Comment
  HSC99350  Lilium pardalinum subsp. pardalinum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 129 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC15582  Lilium rubescens H. E. Parks Jul 1933 1414 Humboldt S Fork Mtn. Comment
  JEPS62029  Lilium rubescens Mrs. M. H. Manning 1901-7-27 319 Humboldt Bald Hills Comment
  RSA44370B  Lilium washingtonianum Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  CAS-BOT-BC133011  Lilium washingtonianum subsp. purpurascens Tom Craig 1941-6-28 s.n. Humboldt Near Yager, S.E. of Eureka Comment
  CAS-BOT-BC133012  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-9 5697 Humboldt Bug Creek, Chaparral Mountain 914 Comment
  JEPS19627  Limnanthes douglasii W. L. Jepson 1934-5-7 16699 Humboldt Buckeye Prairie Bull Creek Comment
  HSC2204  Limnanthes douglasii subsp. nivea Lincoln Constance, R. C. Rollins 1942-5-21 3000 Humboldt The Klamath and Siskiyou region , 2 mi. N of Harris 762 Comment
  UC1561269  Limnanthes douglasii subsp. nivea Barbara Ertter with Thomas J. Delendick 1987-5-16 6925 Humboldt just w Berry Summit (on Hwy 299, ca 15 air mi e of Arcata); Vista Point 914 Comment
  RSA246709  Limonium californicum Robert F. Thorne, Percy C. Everett 1965-8-7 35211 Humboldt Samoa Peninsula. 0 Comment
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC594161  Linanthus androsaceus C. C. and S. K. Harris 1936-6-12 3351 Humboldt near Bridgeville; Chalk Mountain Comment
  UC180237  Linanthus bicolor Joseph P. Tracy 1914-6-14 4503 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC97247  Linanthus nuttallii subsp. nuttallii Thomas W. Nelson, Dick Brummitt & Barbara Ertter 2004-7-4 9284 Humboldt Trinity River Bar down stream from the mouth of Willow Creek 152 Comment
  UCSB8725  Linaria vulgaris Phillips, Priscilla 1958-6-7 Humboldt Patrick's Point; near Trinidad Comment
  UC1239561  Linnaea borealis var. longiflora Joseph P. Tracy 1926-6-6 7579 Humboldt near summit on road w from Hoopa to Bair's Hoopa Mountain; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  CHSC1015  Linum bienne M. Underhill 1952-7-14 Humboldt Humboldt county. 15 Comment
  UCR122366  Linum bienne George K. Helmkamp, E. A. Helmkamp 2001-7-8 6980 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC49829  Linum bienne Maralyn O'Meara 1974-7-11 531 Humboldt Kneeland, Barry Ridge Comment
  UC1103031  Listera caurina Joseph P. Tracy 1924-7-4 6712 Humboldt Snow Camp 1402 Comment
  HSC37160  Listera cordata var. nephrophylla J. D. Ackerman 1976-2-29 750 Humboldt 1 mi. E of old Hwy. 299 junction with Korbel, Simpson Demonstration Forest Comment
  HSC59585  Listera cordata var. nephrophylla Rick Lundquist 1979-5-13 84 Humboldt 0.5 mi. down private rd. to campground at Korbel, 1 mi. E of Blue Lake 30 Comment
  UC400346  Lithocarpus densiflorus unknown Humboldt above Korbel Comment
  CAS-BOT-BC36148  Lithocarpus densiflorus var. densiflorus Doris K. Kildale 1926-8-22 2569 Humboldt Bald Hills, east end of Tomlinson's prairie 716 Comment
  RSA44461  Lithocarpus densiflorus var. densiflorus H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail. 762 Comment
  CAS-BOT-BC283403  Lolium multiflorum C. L. Hitchcock; C. V. Muhlick 1963-7-14 22906 Humboldt Along Eel River at Fern Bridge Comment
  UC50709  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6201 Humboldt Russ Ranch; North-Western California Comment
  UCD66107  Lolium multiflorum C. L. Hitchcock; C. V. Muhlick 1963-7-14 22906 Humboldt Along Eel River at Fern bridge. Comment
  UC50504  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6204 Humboldt Arcata; Russ Ranch Comment
  HSC32942  Lomatium californicum Thomas W. Nelson, James Nelson 1973-5-28 954 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC96251  Lomatium californicum Kaylea Eickhoff, Cara M. Witte 2005-6-24 16 Humboldt ~13 mi S of Hwy 299 on NF1 1375 Comment
  UC1222610  Lomatium californicum Joseph P. Tracy 1950-6-15 18804 Humboldt 7 mmi. n. Harris (chaparral area at Jenk's ranch) Comment
  HSC67194  Lomatium macrocarpum Thomas W. Nelson, James Nelson 1980-6-10 5419 Humboldt Along road to Red Mtn., 0.5 mi. W of junction with Swayback Ridge Rd. 1372 Comment
  UC1222606  Lomatium nudicaule Joseph P. Tracy 1951-6-26 5056 Humboldt Board Camp Mountain, N side; at extreme head of Redwood Creek 1541 Comment
  UC1197146  Lomatium triternatum var. triternatum Joseph P. Tracy 1930-7-10 8875 Humboldt Northern Coast Ranges, Brannan Mt. 1066 Comment
  HSC60069  Lomatium utriculatum M. A. Baker 1978-5-6 461 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  HSC70950  Lomatium utriculatum J. M. DiTomaso 1981-5-15 2006 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  HSC73729  Lonicera conjugialis M. A. Baker 1980-7-22 3077 Humboldt Near Salmon Mtn. 1820 Comment
  UC1222488  Lonicera conjugialis Joseph P. Tracy 1951-6-16 19483 Humboldt summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
Read comments
Jul 31 2012
  CAS-BOT-BC240471  Lonicera hispidula Alice Eastwood; John Thomas Howell 1937-6-22 4733 Humboldt Near Alder Point Comment
  CAS-BOT-BC240472  Lonicera hispidula Ynez Whilton Winblad 1941-6-24 s.n. Humboldt Between Garberville and Hartsook Comment
  CHSC31276  Lonicera hispidula Mark Stopher 1980-5-28 73 Humboldt Growing on Lithocarpus densiflorus along Rte 169, 1.8 mi E of Martins Ferry Bridge. Comment
  UC1239555  Lonicera hispidula var. vacillans Joseph P. Tracy 1915-6-27 4658 Humboldt near Hydesville; Northern Coast Ranges, Yager Creek 60 Comment
  RSA239767  Lonicera involucrata Larry E. DeBuhr 1973-4-23 s.n. Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  HSC3925  Lonicera involucrata var. ledebourii Jack Rockwell 1962-4-29 40 Humboldt N bank of Van Duzen River, E of Hwy. 101 9 Comment
  HSC3931  Lonicera involucrata var. ledebourii D. E. Anderson 1961-9-13 1806 Humboldt Big Lagoon County Park Comment
  HSC89542  Lonicera involucrata var. ledebourii M. Roantree 1985-4-25 2 Humboldt E side of Trinidad Head. Comment
  JEPS13670  Lonicera involucrata var. ledebourii W. L. Jepson with J. P. Tracy 1921-8-11 9408 Humboldt Big Lagoon Comment
  LA205885  Lonicera involucrata var. ledebourii H. Lewis; 1940-6-3 sn Humboldt Dry Lagoon Beach State Park, edge of lagoon Comment
  POM284249  Lonicera involucrata var. ledebourii Lyman Benson 1928-7-10 816 Humboldt Clam Beach, Trinidad. 15 Comment
  RSA455682  Lonicera involucrata var. ledebourii E. A. Purer 1932-7-27 15978 Humboldt Near Samoa. Comment
  UC1239558  Lonicera involucrata var. ledebourii Joseph P. Tracy 1933-5-20 12219 Humboldt Capetown Bear River 30 Comment
  JEPS25684  Lotus aboriginus P. C. Hutchison 1961-5-22 2007 Humboldt 14.3 mi e Arcata junction with U.S. Hwy. 101 (on Hwy 299) Comment
  SEINET3696853 Image available Lotus formosissimus Joseph P. Tracy 1935-6-8 13941 Humboldt Santa Clara Tract, just E of Eureka Comment
  SEINET6932529  Lotus humistratus Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland. Comment
  UC1223430  Lotus micranthus Joseph P. Tracy 1936-5-30 14839 Humboldt Samoa Sand Dunes Comment
  SEINET12154246  Lotus oblongifolius J. P. Tracy 1936-1 14856 Humboldt Lack Pond, in Trinity River Valley, opposite mouth of Willow Crk 152 Comment
  UC179938  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1914-7-4 4527 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC202015  Lotus purshianus var. purshianus Joseph P. Tracy 1918-7-28 5092 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  SEINET200587 Image available Lotus scoparius var. scoparius Joseph P. Tracy 1918-7-6 5048 Humboldt South fork of Eel River near the Humboldt-Mendocino county line 152 Comment
  HSC71612  Lotus unifoliolatus var. unifoliolatus J. P. Smith 1973-5-26 6835 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC43172  Lotus unifoliolatus var. unifoliolatus R. Sutherland 1976-8-13 6 .13876 Humboldt Whittemaore Grove at edge of forest 213 Comment
  HSC98270  Lotus unifoliolatus var. unifoliolatus Lincoln Constance 1934-5-26 669 Humboldt South Fork Eel River, S end of Dyerville Bridge. 46 Comment
  JEPS55422  Lotus yollabolliensis Joseph P. Tracy Jul 16 1930-Jul 30 1930 8945 Humboldt near Blake lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  RSA21446  Lotus yollabolliensis C. B. Wolf 1937-8-12 9210 Humboldt North Coast Range, South Fork Mountain, 0.6 miles S of Blake Lookout. 1677 Comment
  UC1223408  Lotus yollabolliensis Joseph P. Tracy 1933-7-16 12798 Humboldt near McKay Camp (near the top of South Fork Mountain); South Fork Mountain 1676 Comment
  HSC49991  Luina hypoleuca M. A. Baker 1979-6-7 799 Humboldt Willow Creek Canyon Comment
  UC584132  Lupinus David D. Keck and J. Clausen 1935-6-16 3392 Humboldt mouth of Little River Comment
  UC176295  Lupinus adsurgens Joseph P. Tracy 1913-6-19 4200 B Humboldt opposite Buck Mountain (Dinsmore's); Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  RSA406972  Lupinus albicaulis var. albicaulis H. M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  SEINET202282  Lupinus andersonii Joseph P. Tracy 1949-6-25 18340 Humboldt At Bigh Hill on road west of Box Camp, west slope of summit. Comment
  HSC2122  Lupinus arboreus C. B. Wolf 1927-8-29 1209 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  SEINET10452623  Lupinus arboreus Mary Susan Taylor 1982-10-24 Taylor 5183 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  HSC14801  Lupinus bicolor R. T. Forester 1963-5-6 44 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  HSC14799  Lupinus bicolor Jerry Parker 1968-10-7 84 Humboldt Mckinleyville, at the foot of Murray Rd. Comment
  SEINET8042134  Lupinus formosus J. P. Tracy 1904-7-4 2113 Humboldt Rgion about Humboldt Bay, bluff at Bucksport 0 Comment
  BLMAR167  Lupinus latifolius Donald Hazlett 1994-6-7 167 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  SEINET12154564  Lupinus latifolius J. P. Tracy 1941-1 16916 Humboldt Panther Gap on the Bull Crk - Mattole Rd Comment
  RSA161252  Lupinus latifolius subsp. latifolius Peter H. Raven, R. Snow 1958-7-20 13645 Humboldt 1.1 miles south of junction of Friday Ridge Road on Titlow Hill Road, near Grouse Ridge. Comment
  HSC36503  Lupinus latifolius subsp. viridifolius Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1889 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC63291  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-6-27 936 Humboldt Drainage E of Oregon Creek. 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
  UC865132  Lupinus microcarpus var. densiflorus C. L. Hitchcock, J. S. Martin 1939-7-13 5423 Humboldt on Arcata-Reading Hiway 65 mi e Arcata; e of Arcata 457 Comment
  UC1223286  Lupinus nanus Joseph P. Tracy 1950-5-6 18641 Humboldt Willow Creek Trinity River Valley 152 Comment
  SEINET6932723 Image available Lupinus polycarpus Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland. Comment
  RSA20859  Lupinus polyphyllus var. grandifolius Carl B. Wolf 1937-6-18 8898 Humboldt 1/2 miles E of Alton. 21 Comment
  HSC14863  Lupinus rivularis J. L. Baker 1965-4-28 29 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  SEINET10488870  Lupinus rivularis Donald E. Bright 1962-6-12 Bright 281 Humboldt Redwood and douglas fir woods, bald hill road, 5 mi e of orick. Comment
  SEINET12154709  Lupinus rivularis J. P. Tracy 1934-1 13482 Humboldt Samoa Sand Dunes Comment
  UC502996  Lupinus tracyi Joseph P. Tracy 1932-7-15 10597 Humboldt ridges e Corral Prairie (Trinity Summit); Klamath Mountains, , e of Corral Prairie 1828 Comment
  UCR40070  Lupinus tracyi Robert Runyon 1979-6-27 s.n. Humboldt Six Rivers National Forest, Along a ridge near (NE of) Trinity Summit Station, Trinity Co. line 1829 Comment
  UC1103677  Luzula comosa Joseph P. Tracy 1901-5-21 1101 Humboldt at Eureka; Northern Coast Region, at Eureka 0 Comment
  UCD142058  Luzula comosa Linda M. Barker 1976-6-14 1596 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  HSC14125  Luzula comosa Francis Winter 1960-5-7 Humboldt E end Arbor Camp Ridge 915 Comment
  CHSC118269  Luzula macrantha Peter F. Zika 2011-7-3 25499 Humboldt Titlow Hill Road, 4.2 road miles SE of Route 299 at Berry Summit, 0.8 air km SSW of Horse Mountain. Outer North Coast Ranges (NCoRO). 1390 Comment
  UC103678  Luzula subsessilis Joseph P. Tracy 1918-5-5 4925 Humboldt sand dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, Ocean Beach at Humboldt Bay Comment
  CAS-BOT-BC215685  Lycopus uniflorus Henry M. Pollard 1956-10-9 s.n. Humboldt Sand-bar near Fig Tree Riffle at Woodson Mine, Klamath River, Orleans Comment
  HSC96513  Lysichiton americanus Gordon Leppig 1999-4-15 1114 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  SBBG25590  Lysichiton americanus E. R. Blakley 1966-8-17 6795 Humboldt Little Crk, Prairie Crk St Park, ca. 10 mi N of Orick 60 Comment
  HSC35500  Lysichiton americanus Petrovich May 1961 Humboldt Warren Cr. Comment
  SEINET11770339  Lysichiton americanus F. H. Utech 1986-1 86 -416 Humboldt between Capetown & Ferndale along Mattole Creek, SW slope of Bear River Ridge 100 Comment
  RSA0015874  Lythrum hyssopifolia H. M. Pollard 1948-7-21 s.n. Humboldt Along Klamath River near Orleans. Comment
  JEPS40326  Madia elegans Joseph P. Tracy 1921-8-21 5937 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA44409  Madia elegans subsp. elegans H. M. Pollard 1948-7-24 s.n. Humboldt Near Orleans Comment
  HSC100441  Madia filipes Carl C. Marshall Jun 1887 457 Humboldt Near Harris. Comment
  CAS-BOT-BC343030  Madia gracilis David D. Keck 1944-7-11 5500 Humboldt 12.3 mi. S.E. of Petrolia; halfway between upper Mattole and Honeydew, Mattole River 121 Comment
  HSC71164  Madia gracilis Thomas W. Nelson 1977-5-30 3410 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  HSC98092  Madia gracilis Cara Witte 2007-7-11 483 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  HSC40133  Madia sativa Thomas W. Nelson 1976-8-10 3167 Humboldt Beside Hwy. 101 at the turnoff to Sunnybrae Comment
  JEPS7506  Madia sativa Joseph P. Tracy 1927-6-18 8176 Humboldt sw slope slopes fronting the ocean 3 mi s point of cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  HSC26821  Maianthemum dilatatum Clifton Raymond Chesbrough 1973-6-19 67 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  RSA13579  Maianthemum dilatatum H. E. Parks 1932-05 4289 Humboldt Bishop Pine Lodge, Trinidad. Comment
  HSC22058  Maianthemum dilatatum D. R. Becker 1966-5-7 47 Humboldt By Eureka Municipal Golf Course, 0.5 mi. E of F and Alder Sts. 9 Comment
  HSC48830  Maianthemum racemosum subsp. amplexicaule Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 40 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  CAS-BOT-BC511451  Maianthemum racemosum subsp. amplexicaule S. Morrissette; J. Williams; K. Kopper 1994-5-6 049 Humboldt 0.35 mile south of Hwy 299 on Titlow rd. 853 Comment
  CAS-BOT-BC511452  Maianthemum racemosum subsp. amplexicaule Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  RSA21602  Maianthemum racemosum subsp. amplexicaule Carl B. Wolf 1937-9-14 9349 Humboldt North Coast Range, Lord Ellis Road, 0.5 mile east of summit of Willow Creek Grade 762 Comment
  RSA289951  Maianthemum stellatum Lincoln Constance 1934-6-2 783 Humboldt Bull Creek road to mouth of Bull Creek, and up Bull Creek. Bull Creek region, South Fork Eel River Comment
  HSC58757  Malacothrix clevelandii Overton, Butler 1979-7-25 9876 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC58709  Malacothrix floccifera Griswold, Butler 1979-7-12 7241 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC1197979  Malva nicaeensis Joseph P. Tracy 1924-6-28 6699 Humboldt Northern Coast Ranges, Hydesville Hydesville; Northern Coast Ranges, Hydesville 60 Comment
  CDA42220  Marah oregana T. C. Fuller 1966-5-24 14711 Humboldt West side of Highway 101, 2 miles north of Trinidad. 0 Comment
  RSA441241  Marah oregana Christopher Davidson 1973-5-29 2206 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  UC1199281  Matricaria discoidea Joseph P. Tracy 1913-6-22 4265 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of the Van Duzen River 762 Comment
  UC303179  Medicago arabica Joseph P. Tracy 1925-5-31 7051 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  JEPS65521  Medicago lupulina Lincoln Constance 1934-5-26 671 Humboldt Dyerville Bridge South Fork Eel River, Bull Creek Region (s end) 45 Comment
  CDA18210  Medicago polymorpha G. D. Barbe, T. C. Fuller 1974-6-17 1838 Humboldt North Coast Ranges; Shelter Cove, uphill, E of Sail Court. 91 Comment
  HSC47496  Medicago polymorpha Sheila Logan 1978-4-9 20 Humboldt Fieldbrook, 1/2 mi. E of McKinleyville on Murray Rd. 122 Comment
  HSC45095  Medicago polymorpha R. Sutherland 1978-5-13 2 .13578 Humboldt 285 Comment
  UC162808  Medicago sativa Joseph P. Tracy 1908-6 2857 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC98040  Medicago sativa Cara Witte 2007-7-17 537 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1234 Comment
  UC526915  Melica bulbosa Joseph P. Tracy 1932-7-12 10445 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  SEINET200336 Image available Melica californica J. P. Tracy 1913-6-18 4195 Humboldt Dinsmore's Ranch vally of Van Duzen River opposite Buck Mtn N Coast Ranges 762 Comment
  UCD87504  Melica harfordii August L. Hormay 1932-5-12 s.n. Humboldt Bull Creek Road, Redwood Highway, north of Garberville. Comment
  RSA10101  Melica subulata Joseph P. Tracy 1933-5-28 12416 Humboldt Carlotta. 61 Comment
  UC184006  Melica subulata Joseph P. Tracy 1906-4-15 2407 Humboldt about 4 mi from Korbel; Northern Coast Ranges, Bald Mtn. 457 Comment
  UCD88652  Melica subulata A. H. Murphy 1951-5-18 41 Humboldt K. Roscoe Ranch, Upper Mattole. Comment
  UCD88673  Melica subulata R. Tofsrud 1949-7-1 s.n. Humboldt On road from Scotia to Capetown. Comment
  UC552688  Melica torreyana Joseph P. Tracy 1935-5-25 13887 Humboldt North Dobbyn Creek; North Coast Ranges 152 Comment
  HSC15521  Melilotus indicus M. J. Athey 1970-10-12 11 Humboldt Along the old road to Trinidad Comment
  HSC25761  Melilotus officinalis Jana Kattenhorn 1970-10-14 45 Humboldt Big Lagoon Comment
  JEPS63291  Melissa officinalis Joseph P. Tracy 1925-8-16 7232 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  JEPS63479  Mentha canadensis W. L. Jepson 1936-8-7 17936 Humboldt near Arcata (Mad River); Mad River Comment
  UC1222666  Mentha spicata Joseph P. Tracy 1950-9-22 19370 Humboldt 8 mi below Orleans (Klamath River near Slate Creek); Klamath River near Slate Creek 121 Comment
  UC1239689  Mentha spicata Joseph P. Tracy 1933-10-22 13104 Humboldt Trinity River Valley opposite mouth of Willow Creek Lack Pond; Northern Coast Ranges, Trinity River Valley oppos Willow Cre 152 Comment
  UCD102807  Micranthes californica K. Esau 1935-4-8 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC429181  Micranthes oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  RSA167437  Micropus californicus Joseph P. Tracy 1947-5-10 17681 Humboldt Near Briceland Comment
  UC582509  Micropus californicus var. californicus Joseph P. Tracy 1932-5-1 9854 Humboldt vicinity Garberville 121 Comment
  CHSC93621  Microseris borealis K. L. Chambers 1957-8-31 1225 Humboldt Lake Prairie, on road from Bald Mt. to Snow Camp, ca. 9 mi. S of Ranger Station. In bog, SE end of the lake. Comment
  HSC6023  Microseris douglasii J. P. Tracy 1929-5-5 8560 Humboldt Miranda; along S fork of Eel River 122 Comment
  CAS-BOT-BC348834  Microseris douglasii subsp. douglasii K. L. Chambers 1969-5-25 2923 Humboldt On road to Harris 5.2 mi. E of the freeway overpass at Garberville Comment
  HSC39233  Microseris nutans D. E. Anderson, J. P. Smith 1971-7-6 - 1275 Humboldt Horse Mtn. Comment
  HSC40549  Microsteris gracilis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2519 Humboldt SW facing slopes 1666 Comment
  SEINET200379  Microsteris gracilis J. P. Tracy 1930-5-4 8692 Humboldt Larrabee Valley 701 Comment
  HSC20685  Mimulus aurantiacus var. aurantiacus Steve Dorei 1970-10-31 132 Humboldt Scotia bluff area, N side of railroad tracks. Comment
  HSC55989  Mimulus breweri Overton, Butler 1979-7-31 11404 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC23725  Mimulus cardinalis Tim Baroni 1971-8-1 151 Humboldt 8 mi. E of Petrolia on the Mattole River Comment
  HSC72408  Mimulus dentatus J. P. Smith 1973-5-26 6821 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1281762  Mimulus dentatus Richard Spellenberg 1965-6-14 1133 Humboldt about 1 1/2 mi e Bayside (on road leading up to Jacoby Creek (Bayside is 2 mi s of Arcata)) Comment
  HSC99435  Mimulus guttatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 84 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC31742  Mimulus guttatus Donald Spalinger 1974-5-12 59 Humboldt Bald Hills Rd., 1.5 mi. E from junction with Hwy. 101 229 Comment
  SEINET4678005  Mimulus guttatus Jan G. Cooper 1977-6-22 59 Humboldt Mouth of Mattole River along base of cliff. 1/4 mile away from the ocean.; 0 Comment
  JEPS10788  Mimulus inodorus Joseph P. Tracy 1923-9-16 6551 Humboldt near South Fork; Trinity River Valley 182 Comment
  JEPS10468  Mimulus microphyllus Joseph P. Tracy 1933-6-6 12501 Humboldt Trinidad 3 Comment
  HSC76220  Mimulus moschatus Overton, Butler 1979-7-24 9768 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UCSB15766  Mimulus moschatus Breedlove, Dennis 1961-7-4 Humboldt Highway 299; 17.5 miles east of Highway 101 609 Comment
  HSC55325  Mimulus primuloides var. primuloides Griswold, Butler 1979-7-12 7155 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1196782  Mimulus pulsiferae Joseph P. Tracy 1933-8-30 13029 Humboldt near Clear Lake; North Coast Ranges, Grouse Mountain 1524 Comment
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Sep 10 2013
  CAS-BOT-BC388627  Minuartia douglasii Joseph P. Tracy 1930-6-21 8783 Humboldt Larrabee Valley 731 Comment
  CDA21079  Minuartia douglasii G. F. Hrusa 1993-6-17 11221 Humboldt Red Mountain; Summit of road cut at entrance gate to Red Mtn. Comment
  HSC104427  Minuartia douglasii Greg O'Connell 2013-6-27 Humboldt Summit of Mt. Andy 1159 Comment
  HSC74124  Minuartia nuttallii subsp. gregaria M. A. Baker 1980-6-16 1932 Humboldt Near Monks Camp. 1097 Comment
  CAS-BOT-BC181090  Minuartia nuttallii var. gregaria Joseph P. Tracy 1935-7-30 14353 Humboldt Salmon Summit 1767 Comment
  HSC57673  Minuartia pusilla G. L. Clifton, Griswold 1979-7-25 10866 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC95189  Mitella caulescens Gordon Leppig, T. LaBanca 2003-5-12 1901 Humboldt Pacific Lumber Company land, S of Pepperwood, THP 1-03-050 HUM. 60 Comment
  CAS-BOT-BC433009  Mitella diversifolia J. H. Thomas 1949-6-13 911 Humboldt Between Le Perron Flat and Whitey's Peak, along trail. East of town of Orleans. 1371 Comment
  UC1198862  Mitella ovalis Joseph P. Tracy 1918-6-16 4956 Humboldt Eureka Northern Coast Region 0 Comment
  HSC64186  Moehringia macrophylla J. O. Sawyer, M. A. Ericksen 1979-6-23 3389 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  CAS-BOT-BC221777  Monardella odoratissima Doris K. Kildale 1927-7-22 3814 Humboldt Lassecks Peaks 1661 Comment
  CAS-BOT-BC220520  Monardella villosa Jos. Burtt Davy 1899-6-20 5697 Humboldt Hoopa Valley Comment
  UC1225847  Monardella villosa subsp. villosa Joseph P. Tracy 1946-7-21 17619 Humboldt Blue Slide Van Duzen River 91 Comment
  UC162959  Monardella villosa subsp. villosa Joseph P. Tracy 1911-7-9 3476 Humboldt Near Willow Creek west side of river; Northern Coast Ranges, Trinity River 182 Comment
  UC198611 Image available Monardella villosa subsp. villosa Joseph P. Tracy 1916-9-6 4757 Humboldt Northern Coast Ranges: Grasshopper Ridge, head of Canoe Creek. Comment
  UC2035936  Monardella villosa subsp. villosa C. Epling, Wm. Robison 1935-7-24 Humboldt Dyerville Comment
  CAS-BOT-BC128708  Moneses uniflora Doris K. Kildale 1926-6-6 2115 Humboldt Trail to Gold Bluffs Comment
  HSC102504  Montia parvifolia M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1489 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC37166  Montia parvifolia J. D. Ackerman 1974-5-25 258 Humboldt S Trinidad Beach, S of Trinidad Head Comment
  HSC98550  Montia parvifolia Cara Witte 2008-6-27 765 Humboldt Along National Forest 1 on Kinsey Ridge. 1.5 mi. NE of intersection with 4N09. 1317 Comment
  UC526744  Muhlenbergia filiformis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8920 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in wet meadow) 1676 Comment
  UC582561  Myosotis discolor Joseph P. Tracy 1937-5-17 15298 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC34648  Myosotis sylvatica A. M. Montalvo 1975-4-9 201 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  HSC31423  Myosurus minimus Rudy Becking 1974-5-5 Humboldt Samoa dunes near USCG Station Comment
  UC722454  Myrica californica C. L. Hitchcock 1939-7-14 5437 a Humboldt bluffs facing sea at Shelter Cove Comment
  HSC77885  Myriophyllum aquaticum Wendy Madar 1978-5-16 Humboldt Catfish Lake, 3 mi. S Eureka Comment
  UC535743  Narthecium californicum Eleanor Armstrong 1934-1 1176 Humboldt Patricks Point Comment
Read comments
Dec 5 2007
  HSC100457  Nasturtium curvisiliqua Carl C. Marshall May 1885 45 Humboldt Peninsula near marsh. Comment
  HSC6872  Nasturtium officinale D. E. Anderson 1962-3-24 1947 Humboldt Along Turner Rd. Comment
  UCSB30594  Nasturtium officinale Edwards, David 1974-7-30 Humboldt West side of U.S. 101, ca. 30 yds. S. of 7th St. overpass, Arcata 15 Comment
  UC908512  Navarretia atractyloides Joseph P. Tracy 1925-7-12 7206 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS79936  Navarretia atractyloides Joseph P. Tracy 1927-8-7 8307 Humboldt Willow Creek Schoolhouse Trinity River Valley, Willow Creek 152 Comment
  HSC96212  Navarretia capillaris April A. Allard, Gregory O'Connell 2005-6-15 12 Humboldt NE of Grouse Mtn. 1447 Comment
  HSC17129  Navarretia divaricata H. E. Parks 1939-6-27 5257 Humboldt Grouse Mtn. Comment
  HSC44287  Navarretia divaricata J. P. Smith, Steve Selva 1970-6-30 4098 Humboldt Comment
  UC582694  Navarretia intertexta Joseph P. Tracy 1937-6-26 15363 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC907815  Navarretia leucocephala subsp. minima Joseph P. Tracy 1928-6-24 8476 Humboldt between Middle and North Yager Creeks (East Ranch) 762 Comment
  UC1124141  Navarretia squarrosa H. L. Person 1932-7-23 Humboldt near Korbel; Eureka Quad. Comment
  UC1198519  Navarretia tagetina Joseph P. Tracy 1934-7-9 13344 Humboldt Dobbyn Creek Northern Coast Ranges 152 Comment
  JEPS70491  Navarretia tagetina Joseph P. Tracy 1916-6-19 4709 Humboldt Forks of Dobbyn Creek Northern Coast Ranges 182 Comment
  HSC13584  Nemophila menziesii H. E. Parks, J. P. Tracy 1930-5-25 797 Humboldt Laribee Valley 793 Comment
  UC249523  Nemophila menziesii var. atomaria Joseph P. Tracy 1922-5-28 6055 Humboldt Little River Beach Northern Coast Ranges 6 Comment
  HSC79523  Nemophila parviflora Kenneth Clark 1980-3-23 533 Humboldt Along S Fork of Dead Man's Gulch 61 Comment
  UC1239746  Nemophila parviflora Joseph P. Tracy 1906-4-15 2409 Humboldt near Anderson's Ranch (Bald Mt., region about Humboldt Bay, Northern Coast Region); Northern Coast Region, Humboldt Bay region, Bald Mt. 0 Comment
  UC1245393  Nemophila parviflora Joseph T. Gregory 1933-7-11 364 Humboldt nr Clear Lake (Grouse Mt.); nr Clear Lake, Grouse Mt. 1524 Comment
  UC176993  Nemophila pedunculata Joseph P. Tracy 1913-5-4 4065 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  SEINET178324  Notholcus mollis Joseph P. Tracy 1914-9-13 4626 Humboldt Gutters and wet places along streets. 61 Comment
  HSC8072  Notholithocarpus densiflorus H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  UCD124038  Nuttallanthus texanus Linda M. Barker 1976-6-1 1550 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC20655  Nuttallanthus texanus Francis Winter 1960-4-19 Humboldt Samoa Peninsula, Fairhaven Airport entrance, 12 mi. W of Arcata Comment
  HSC18705  Oemleria cerasiformis T. W. Beck 1963-3-2 9 Humboldt Along rd. leading into Camp Bauer, Korbel Comment
  UCD127735  Oenanthe pimpinelloides Joseph P. Tracy 1950-8-18 19330 Humboldt along Blocksburg Road, near the bridge across Larrabee Creek. 457 Comment
  HSC97444  Oenanthe sarmentosa Ivy Watson 2008-9-28 27 Humboldt Beach N of river mouth, along small tributary E of sand dunes 4 Comment
  UC1400347  Oenanthe sarmentosa Robert F. Thorne and P. Everett 1965-8-9 35297 Humboldt Big Lagoon 3 Comment
  UCD127738  Oenanthe sarmentosa Linda M. Barker 1976-8-24 1686 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC36313  Oenanthe sarmentosa Gerald Fijii 1972-10-20 Humboldt Big Lagoon Bog Comment
  SEINET10964717  Oenanthe sarmentosa Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 481 Humboldt Collected by Hwy. 101, N side of Orick. 30 Comment
  HSC102088  Oreostemma alpigenum var. andersonii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 991 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1197443  Orobanche uniflora subsp. occidentalis Mrs. Frank A. Graham 1921-4-1 Humboldt Northern Coast Ranges. Trinity River Valley, near Willow Creek. Comment
  HSC54586  Orthilia secunda Overton, Butler 1979-7-24 9645 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC238377  Orthocarpus Joseph P. Tracy 1935-7-24 14171 Humboldt Trinity Summit, near ranger station 1828 Comment
  UC582573  Orthocarpus imbricatus Joseph P. Tracy 1937-7-29 15571 Humboldt near McKay Camp South Fork Mountian (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC59074  Oxalis articulata subsp. rubra Thomas Wood 1979-5-3 147 Humboldt In Arcata, in front yard at 3799 Spear Ave. 9 Comment
  JEPS93971  Oxalis incarnata Vernon Oswald 1998-4-16 8918 Humboldt at the s. tip of the North Spit of Humboldt Bay Samoa Dunes Recreation Area (along rd. leading into the recreation area); Humboldt Bay, Samoa Dunes Recreation Area 6 Comment
  CSUSB850  Oxalis oregana Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC59195  Oxalis oregana Terry Roth 1979-5-20 59 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  UC1130248  Oxalis oregana H. L. Person 1932-8-1 Humboldt Korbel Eureka quad Comment
  SD53235  Oxalis oregana Darley F. Howe 1962-5-22 3309 Humboldt 3.0 miles east of Orick n Bald Mountain road. 395 Comment
  UCD110982  Oxalis oregana R. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC64217  Oxalis trilliifolia J. O. Sawyer, M. A. Ericksen 1979-6-23 3384 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC79057  Packera macounii D. K. Imper 1983-7-12 659 Humboldt Blue Creek Mtn. Comment
Read comments
May 27 2013
  CAS-BOT-BC253709  Panicum capillare Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region Comment
  JEPS23565  Parentucellia viscosa Peter H. Raven with R. Snow 1958-7-21 13652 Humboldt 2.9 mi s Ferndale (on road to Cape Mendocino) Comment
  JEPS4478  Parentucellia viscosa Joseph P. Tracy 1923-6-18 6284 Humboldt 1 mi s of point Cape Mendocino; Northern Coast Ranges 152 Comment
  UC667097  Parnassia californica Joseph P. Tracy 1934-8-29 13619 Humboldt South Fork Mountain at McKay Camp South Fork Mountain; , McKay Camp 1676 Comment
  RSA249521  Paspalum distichum R. F. Thorne 1965-9-19 35459 -b Humboldt Freshwater Lagoon S. of Orick 3 Comment
  BLMAR286  Pedicularis densiflora Jennifer Anthony-Wheeler 2000-4-18 286 Humboldt King range, mill creek forest 402 Comment
  RSA183616  Pedicularis densiflora D. E. Anderson 1965-5-1 3556 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  UC1314349  Pellaea andromedifolia Stewart Harris 1960-7-11 21651 Humboldt 3.8 mi w Redway (on rd to Briceland) Comment
  HSC99109  Pellaea brachyptera Cara Witte 2008-6-13 714 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1382 Comment
  RSA46785  Penstemon anguineus Doris Kildale Gillespie 1937-8-12 15261 Humboldt South Fork Mountain. Comment
  JEPS86690  Penstemon anguineus L. R. Heckard with T. I. Chuang 1990-7-15 6769 Humboldt ca 15 mi n Highway 36 (South Fork Mountain Rd); South Fork Mountain Rd., n of Hwy 36 1700 Comment
  RSA20780  Penstemon anguineus Carl B. Wolf 1937-7-13 9244 Humboldt North Coast Range, 11 mi E of Hoopa Valley on New Road towards Trinity Summit. 1524 Comment
  RSA420442  Penstemon anguineus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2907 Humboldt Along east side of Red Lassic; beside road 1S07. 1677 Comment
  OBI9300  Penstemon azureus Carl B. Wolf 1937-8-13 9220 Humboldt North Coast Range, 8 mi E of Hoopa Valley on new rd towards Trinity summit 1219 Comment
  UC354474  Penstemon azureus var. angustissimus P. E. Goddard 1906-6 666 Humboldt Lasseck Pk. Comment
  UC41737  Penstemon newberryi var. berryi Chestnut and Drew 1888-7-21 Humboldt S. Fork Mountain Comment
  NY640969  Penstemon purpusii J. P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain Comment
  UC1032475  Penstemon rattanii A. E. Wieslander 1931-5-21 213 Humboldt Kneeland China Flat Quad. Comment
  JEPS26255  Penstemon rattanii Arthur E. Connick 1925-6-1 Humboldt hills near Stone Lagoon; hills near Stone Lagoon 60 Comment
  RSA21653  Penstemon rattanii subsp. rattanii Carl B. Wolf 1937-6-14 8808 Humboldt North Coast Range, junction of Eureka - Kneeland Road and Maple Creek Road. 683 Comment
  HSC37502  Pentagramma triangularis J. D. Ackerman 1974-5-25 264 Humboldt 0.25 mi. S of Lufenholtz Beach off Scenic Dr. between Moonstone and Trinidad Comment
  RSA0070753  Pentagramma triangularis Doris K. Kildale 1928-12-29 6765 Humboldt Stevens Grove. Comment
  CAS-BOT-BC71619  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1957-6-21 14139 Humboldt E side of road, 1 mi. S of Garberville Comment
  JEPS22585  Perideridia gairdneri subsp. gairdneri Joseph P. Tracy 1941-8-24 17038 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  SEINET12119285  Perideridia howellii J. P. Tracy 1950-1 19331 Humboldt along Larrabee Creek, 0.5 mi along Blocksburg Road W from bridge across Larrabee Creek Comment
  JEPS12449  Perideridia kelloggii W. L. Jepson 1931-8-8 16488 Humboldt Grasshopper Peak 1005 Comment
  HSC70535  Perideridia parishii subsp. latifolia Gail Newton 1980-7-20 1643 Humboldt Near Bell Swamps 1426 Comment
  HSC17528  Persicaria maculosa W. L. Jepson 1921-8-7 9334 Humboldt Stone Lagoon Comment
  HSC37230  Phacelia bolanderi Lon Hall 1975-6-19 386 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC37415  Phacelia bolanderi Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 517 Humboldt Along Lost Man Creek. 38 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
  CHSC110702  Phacelia corymbosa Dean Wm. Taylor 2004-6-24 19129 Humboldt North Coast Ranges. Horse Mountain, along Titlow Hill Road 0.4 miles north from the junction with the road to the mountain summit. 1310 Comment
  BLMAR591  Phacelia egena Jennifer Wheeler 2010-7-13 591 Humboldt King range, Panther Gap Road 792 Comment
  HSC57184  Phacelia mutabilis Griswold, Butler 1979-7-10 6383 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC774626  Phacelia mutabilis Carl B. Wolf 1937-8-13 9238 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity Summit); North Coast Range 1219 Comment
  HSC102566  Phacelia procera M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1553 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  POM259083  Phalaris aquatica J. T. Howell 1937-7-31 13721 Humboldt 4 miles north of Loleta Comment
  UCD88758  Phalaris californica A. H. Murphy 1951-6-15 79 Humboldt 1 mile E of road junction Maple Creek and Kneeland Road, on Maple Creek Road. Comment
  HSC100586  Philadelphus gordonianus Carl C. Marshall Jul 1885 91 Humboldt Mountains near streams. Comment
  JEPS49602  Philadelphus lewisii Harley P. Chandler June, 1901 1523 Humboldt Sommes Bar North Coast Ranges, Klamath River 426 Comment
  UC161489  Philadelphus lewisii Joseph P. Tracy 1911-7-5 3318 Humboldt Willow Creek Northern Coast Ranges (near its mouth, creek is tributary of Trinity River) 304 Comment
  UC56721  Philadelphus lewisii Harley P. Chandler June, 1901 1333 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC58693  Phleum alpinum Overton, Butler 1979-8-2 12694 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC58545  Phleum pratense Overton, Butler 1979-7-23 9548 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC8515  Phleum pratense True Hoyle 1967-7-24 28967 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  HSC71667  Phlox adsurgens Gail Newton 1980-6-24 554 Humboldt Near Ladder Rock 1500 Comment
  HSC44351  Phlox diffusa Brad Klipfel 1975-7-11 698 Humboldt Horse Mtn. Comment
  UC1191120  Phlox douglasii subsp. rigida Joseph P. Tracy 1933-7-25 12828 Humboldt Horse Mountain 1432 Comment
  UC908475  Phlox gracilis Joseph P. Tracy 1930-6-21 8790 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC1198562  Phlox gracilis Joseph P. Tracy 1906-5-6 2447 Humboldt near Hydesville (hillside of Wolverton Gulch); Northern Coast Region, Wolverton Gulch 60 Comment
  SEINET3882874  Physaria kingii subsp. cobrensis C. Reed, Kathryn W. Rollins 1981-6-6 81229 Humboldt 8a, Charles Sheldon Wildlife Refuge, 43 miles northeast of Cedarville.; 0 Comment
  UC1541675  Physocarpus capitatus W. K. Parks June 1932 Humboldt vicinity of Trinidad Comment
  CAS-BOT-BC73445  Picea sitchensis Carl B. Wolf 1930-10-28 1037 Humboldt 5 miles south of Ferndale on road to Petrolia. 152 Comment
  SJSU142  Picea sitchensis Emily D. Smith 1934-8-22 Humboldt between Fortuna & Eureka Comment
  UC535712  Picea sitchensis Eleanor Armstrong 1934-7-31 1145 a Humboldt Patricks Point 30 Comment
  UCR32234  Picea sitchensis David J. Keil 1983-7-1 17295 Humboldt Between Ferndale & Bear River Ridge Road along Mattole Road Comment
  POM199392  Pinus contorta var. contorta H. E. Parks 1931-05 s.n. Humboldt Samoa, Pine Barrens. Comment
  POM282097  Pinus contorta var. contorta H. E. Parks 1931-05 s.n. Humboldt Samoa, Pine Barrens. Comment
  RSA175259  Pinus contorta var. contorta Robert F. Thorne 1957-9-3 19017 Humboldt Patrick s Point State Park. Comment
  HSC41287  Pinus lambertiana Brad Klipfel 1974-7-27 481 Humboldt Horse Mtn. Comment
  HSC72797  Pinus monticola Gail Newton 1980-6-17 206 Humboldt Near Onion Mtn. 1341 Comment
  UC14936  Piperia elegans J. P. Tracy 1901-8-7 1253 Humboldt opposite Eureka; Samoa Comment
  UC1196419  Piperia elegans Joseph P. Tracy 1947-7-9 17831 Humboldt lower slopes Horse Mountain (at the Arford Cabin) 1219 Comment
  HSC48733  Pityopus californicus J. Pageau, T. Jimerson, W. Wisler, A. Regalis 1979-6-13 519 Humboldt Off FS 10N05. SE slope of Hopkins Butte. Bulk Collection 181 1037 Comment
  HSC81667  Plagiobothrys bracteatus Thomas W. Nelson, Jane P. Nelson 1980-7-15 6069 Humboldt Old logging rds. SE of Lundbar Hills 30 Comment
  UC1222210  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-15 17115 Humboldt Englewood Prairie 91 Comment
  UC198636 Image available Plagiobothrys reticulatus Joseph P. Tracy 1916-5-31 4691 Humboldt from South Fork Scotia (along the Eel River); Northern Coast Ranges, Eel River, Holmes Flat; Along Eel River from South Fork to Scotia in Humboldt Co. 60 Comment
  JEPS60969  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1904-7-4 2111 Humboldt Eureka Northern Coast Region 0 Comment
  UC1222204  Plagiobothrys scouleri Joseph P. Tracy 1948-5-31 17987 Humboldt halfway between Garberville and Harris (at Robertson's sheep ranch) 609 Comment
  UC1222206  Plagiobothrys scouleri Joseph P. Tracy 1946-5-30 17538 Humboldt 2 mi so Bridgeville 457 Comment
  UC249519  Plagiobothrys tenellus Joseph P. Tracy 1922-4-30 5990 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC54757  Plagiobothrys tenellus Harley P. Chandler May, 1901 1087 Humboldt Harris 609 Comment
  HSC77348  Plantago elongata L. P. Janeway 1983-5-1 257 Humboldt W of Samoa Rd. and N of Coast Guard lands 6 Comment
  HSC33750  Plantago erecta A. Montalvo 1975-5-24 282 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  UC1196140  Plantago erecta Joseph P. Tracy 1912-5-12 3638 Humboldt Eureka Northern Coast Region 0 Comment
  HSC40307  Plantago lanceolata Linda M. Barker 1976-4-30 1401 Humboldt 3 mi. W of Arcata Comment
  UC585988  Plantago lanceolata Joseph P. Tracy 1924-9-21 6898 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC26448  Plantago maritima T. O. Osborne 1970-5-17 4 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  RSA382868  Platanthera leucostachys Brad W. Klipfel 1973-7-31 255 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  CAS-BOT-BC91632  Platystemon californicus Alice Eastwood; John Thomas Howell 1937-6-22 4723 Humboldt Near Harris. Comment
  SFV18500  Platystemon californicus A. M. Deshais 2002-4-12 36 Humboldt Manila Dunes. Comment
  JEPS4812  Plectritis brachystemon Joseph P. Tracy 1936-7-5 15037 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC1239587  Plectritis congesta Joseph P. Tracy 1921-6-12 5814 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA21659  Plectritis congesta subsp. brachystemon Carl B. Wolf 1937-6-14 8814 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  RSA506997  Plectritis congesta subsp. brachystemon H. E. Parks, Joseph P. Tracy 1934-6-14 11022 Humboldt Horse Mountain. 1220 Comment
  RSA178587  Plectritis congesta var. congesta Joseph P. Tracy 1950-5-6 18639 Humboldt At my cabin. Trinity River Valley, at Willow Creek. Comment
  UC1197753  Pleuricospora fimbriolata Stuart K. Harris 1942-6-17 7035 Humboldt Chalk Mountain 762 Comment
  HSC63190  Pleuricospora fimbriolata M. A. Baker 1979-6-28 942 Humboldt Middle fork of Mill Creek. Comment
  RSA256328  Pleuropogon refractus J. R. Reeder, C. G. Reeder 1973-5-26 6184 Humboldt 13 miles S of Klamath along Hwy 101 in Big Tree State Park 61 Comment
  RSA10119  Poa Joseph P. Tracy 1933-7-26 12911 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  HSC10623  Poa annua Gene S. Van Horn 1962-5-2 10 Humboldt Near main house at 250 East 17th St., Arcata. 61 Comment
  UC1607848  Poa annua Harold E. Parks June 1933 4317 Humboldt Spruce Cove Trinidad Comment
  HSC10642  Poa bolanderi C. S. Chavez 1965-5-7 67 Humboldt Redwood forest behind H.S.C. campus. Comment
  UC1103791  Poa bolanderi Joseph P. Tracy 1935-7-28 14334 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  UC1145119  Poa bolanderi Joseph P. Tracy 1949-6-6 18308 Humboldt 6 mi ne Hawkins Bar (Happy Camp Mt); Trinity Summit Range 1280 Comment
  SEINET200569 Image available Poa bulbosa Joseph P. Tracy 1942-2-6 17104 Humboldt Valley of South Yager Creek 762 Comment
  HSC10821  Poa confinis Francis Winter 1960-4-30 Humboldt Samoa Peninsula, 6 mi. W of Arcata. Comment
  SACT001837  Poa confinis D. Shillingbury 1963-5-11 Humboldt Coastal Strand. Sea level. Comment
  CAS-BOT-BC255852  Poa kelloggii John Thomas Howell 1954-4-24 29151 Humboldt Bull Creek Flat Comment
  SEINET10660267  Poa kelloggii Harley P. Chandler Chandler 1183 Humboldt North Coast Ranges, California. 30 Comment
  RSA92307  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, near ocean shore, south point of the Cape. 3 Comment
  UC525615  Poa pratensis subsp. pratensis Joseph P. Tracy 1926-5-9 7469 1/2 Humboldt valley s of South Yager Creek; Northern Coast Ranges 762 Comment
  UC589883  Poa pratensis subsp. pratensis H. S. Yates 1936-6-17 5703 Humboldt lower nw slope Buck Mt; South Fork Peak Quadrangle 792 Comment
  HSC40517  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1976-6-22 2876 Humboldt Area at Goat Hill. 1666 Comment
  HSC73790  Poa secunda subsp. secunda Gail Newton 1980-6-28 709 Humboldt Near Mad River Butte. 1536 Comment
  UCD90874  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5658 Humboldt Hoopa Summit. Comment
  UCD92117  Poa trivialis H. S. Yates 1936-6-16 6582 Humboldt near Bayside. Comment
  HSC10809  Poa unilateralis R. Long 1964-5-7 Humboldt Samoa. Comment
  UC1222708  Polemonium carneum Joseph P. Tracy 1950-6-8 18736 Humboldt Bear River Ridge 609 Comment
  CHSC79716  Polycarpon tetraphyllum Gordon Leppig; Sylvia Leppig 2000-12-7 1524 Humboldt Arcata, 10th and I Street. UTM zone 10, 4525N, 408E. 6 Comment
  HSC31205  Polygala californica D. E. Anderson 1972-6-20 5743 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC17454  Polygala cornuta var. cornuta Harley P. Chandler June, 1901 1502 Humboldt Klamath River North Coast Ranges 426 Comment
  SEINET10537775  Polygonum Mary Susan Taylor 1990-8-22 Taylor 6081 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  UC672965  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1940-8-25 16707 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  BLMAR58  Polygonum paronychia Jennifer Anthony-Wheeler 1994-3-1 58 Humboldt Samoa/manilla dunes, growing throughout the coastal dunes 12 Comment
  SEINET2153798  Polygonum paronychia K. T. Harper 2002-1 2002 -2 Humboldt Trinidad Beach. Comment
  JEPS50545  Polygonum persicaria W. L. Jepson 1936-8-17 17914 Humboldt 2 mi s Field's Landing (near Still's Ranch) Comment
  CAS-BOT-BC421008  Polygonum spergulariiforme H. E. Parks; J. P. Tracy 1930-9-15 0767 Humboldt Bald Hills, Kneeland. Comment
  HSC17537  Polygonum spergulariiforme Larry Berti 1968-10-20 Humboldt Along the Van Duzen River Comment
  SEINET3404070 Image available Polygonum spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain, Jeffrey Pine Comment
  HSC33651  Polypodium californicum Margaret Weatherwax 1975-6-26 7 Humboldt Road from Korbel to Maple Creek, 2 mi. SW of Korbel Comment
  UC57306  Polypodium calirhiza J. P. Tracy 1901-1-27 985 Humboldt sand hill of Ocean Beach at Samoa (opposite Eureka) Comment
  RSA273372  Polypodium glycyrrhiza Thomas W. Nelson, Jane P. Nelson 1976-2-21 2250 Humboldt Tish-Tang Campground. Comment
  UC1132889  Polypogon australis H. L. Person 1932-5-19 Humboldt near Arcata (<Mendocino cutover area>); Eureka Quad. Comment
  RSA129378  Polypogon monspeliensis H. S. Yates 1936-6-16 5679 Humboldt 1 mile NE of Samoa 3 Comment
  CAS-BOT-BC72117  Polystichum californicum Joseph P. Tracy 1933-10-15 13101 Humboldt Miranda, along S. Fork Eel River 91 Comment
  HSC73633  Polystichum imbricans M. Baker 1980-7-23 3178 Humboldt Near Orleans Mtn. 1859 Comment
  JEPS296  Polystichum munitum W. L. Jepson 1932-7-26 16406 Humboldt Bull Creek Comment
  HSC79150  Polystichum munitum C. J. Thomas 1984-9-25 118 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  JEPS33236  Polystichum scopulinum Lincoln Constance 1934-6-4 824 Humboldt S Fork Eel River Bull Creek Region Comment
  SBBG21983  Populus balsamifera subsp. trichocarpa R. F. Thorne 1957-9-2 18990 Humboldt branch of Eel River at Burlington State Park, just S of Weott Comment
  CAS-BOT-BC102908  Populus trichocarpa Doris K. Kildale; L. B. Kildale 1930-4-13 9571 Humboldt Bridgeville 289 Comment
  UC668002  Populus trichocarpa Joseph P. Tracy 1938-11-26 16177 Humboldt on South Fork of Eel River between Miranda and Redway Sylvandale; North Coast Ranges, on South Fork of Eel River 91 Comment
  HSC36301  Potamogeton richardsonii Camille Cornish 1973-10-10 5 Humboldt Edge of Freshwater Lagoon Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  UC774620  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park 4 Comment
  HSC34911  Prosartes hookeri Thomas W. Nelson, James Nelson 1975-5-24 1854 Humboldt McKeown Ranch, N of Dinsmore. Comment
  CAS-BOT-BC517503  Prosartes smithii H. C. Cantelow 1936-5-17 s.n. Humboldt 3 miles east of Orick Comment
  CAS-BOT-BC517514  Prosartes smithii Kenneth Clark 1980-3-24 539 Humboldt Upper terrace of Dead Man's Gulch; Shelter Cove 76 Comment
  HSC15474  Prosartes smithii W. D. Stevens 1964-5-12 11 Humboldt E end of 14th St., Arcata Comment
  UCSB27862  Prosartes smithii Phelps, M. 1972-3-20 Humboldt 0.5 mi. south of Redway on Old Hwy. 101, 1000 yds. from road toward river 182 Comment
  HSC23126  Prunella vulgaris A. D. Maxfield 1967-7-12 2 Humboldt 400 yds. SW of Strawberry Creek and Dows Prairie Rd., McKinleyville 91 Comment
  UCLA49217  Prunella vulgaris H. Lewis 1940-7-3 Humboldt Founders Tree Humboldt State Park; , Founders Tree Comment
  HSC57976  Prunella vulgaris subsp. lanceolata G. L. Clifton, Griswold 1979-7-31 11700 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  POM283387  Prunella vulgaris var. lanceolata Lyman Benson 1928-7-12 404 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  CAS-BOT-BC159976  Prunus emarginata Doris K. Kildale 1927-5-14 3192 Humboldt Big Lagoon Comment
  UC198603  Prunus emarginata Joseph P. Tracy 1917-5-6 4780 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC666845  Prunus emarginata Joseph P. Tracy 1934-9-5 13656 Humboldt Horse Mountain 1402 Comment
  UCD135199  Pseudognaphalium beneolens Linda M. Barker 1976-8-24 1685 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC357271  Pseudognaphalium microcephalum Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC357272  Pseudognaphalium microcephalum H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  UCD134980  Pseudognaphalium ramosissimum Linda M. Barker 1976-8-2 1678 Humboldt 3 miles west of Arcata. Comment
  UC582511  Pseudognaphalium stramineum Joseph P. Tracy 1937-6-26 15364 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC357605  Pseudognaphalium stramineum L. R. Abrams 1922-6-25 8223 Humboldt 6 mi north of Garberville Comment
  HSC76288  Pseudotsuga menziesii var. menziesii Denis Kearns 1981-7-6 56 Humboldt Near Mosquito Lake 1122 Comment
  UC502919  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1932-3-19 9789 Humboldt Blus Slide on Van Duzen River Northern Coast Ranges, Van Duzen River 91 Comment
  HSC54568  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-24 9596 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC275294  Pterostegia drymarioides Joseph P. Tracy 1923-5-19 6207 Humboldt coast bluffs Trinidad; Northern Coast Ranges, Trinidad 60 Comment
  SEINET200714  Pyrola americana J. P. Tracy 1901-6-30 1191 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC76592  Pyrola crypta Denis Kearns 1981-7-24 449 Humboldt Near Whiteys Peak. 1768 Comment
  HSC44559  Pyrola picta Brad Klipfel 1973-7-15 178 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC54854  Pyrola picta G. L. Clifton 1979-7-25 10741 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1541552  Pyrola picta Harold E. Parks 1934-6-27 4931 Humboldt Horse Mountain 1280 Comment
  CAS-BOT-BC466040  Pyrola picta Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  SFV18591  Pyrola picta T. W. Nelson, J. P. Nelson 1987-6-11 8569 Humboldt Along an unnumbered branch road off USFS Road 11H21. Comment
  HSC18695  Pyrus fusca H. E. Parks Apr 1933 4352 Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC62673  Quercus chrysolepis Doris K. Kildale 1926-3-21 1689 Humboldt McDowell Butte, Kneeland Prairie 914 Comment
  HSC98518  Quercus chrysolepis Cara Witte 2008-8-6 1013 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  RSA178558  Quercus chrysolepis Joseph P. Tracy 1950-8-4 19256 Humboldt Summit of ridge northeast of the lookout station, Grasshopper Peak (in Bull Creek State Park) at head of Canoe Creek. Comment
  UC1196531  Quercus chrysolepis Joseph P. Tracy 1921-8-21 5938 Humboldt near Willow Creek (at mouth of South Fork of Trinity); Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC94315  Quercus garryana Doris K. Kildale 1927-6-25 3580 Humboldt Ettersburg Comment
  UC249714  Quercus garryana Joseph P. Tracy 1921-10-2 5965 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  RSA622135  Quercus garryana var. garryana J. M. Tucker 1948-9-3 1849 Humboldt Southwest side of Horse Mountain, ca. 2 mi. south of Berry's Summit. 1067 Comment
  HSC68607  Quercus kelloggii Jacqueline Greenleaf 1980-8-12 329 Humboldt Near Becker Cabin. 1143 Comment
  CDA22029  Quercus sadleriana G. J. Muth 1972-8-15 1845 Humboldt Near Big Hill Road. 167 mm from bottom margin, 258 mm from left margin. Comment
  UCD47218  Quercus sadleriana D. Sanchez-Mata 1997-9-20 s.n. Humboldt Hoopa. Big Hill Lookout Road. Successional shrubland plant communitites on logged Douglas fir forests. 1230 Comment
  UCD47250  Quercus sadleriana W. L. Jepson 1902-7-16 2033 Humboldt Ridges and slopes just below summit; Trinity Summit. 1524 Comment
  HSC70408  Ranunculus aquatilis var. diffusus M. A. Baker 1980-6-7 1833 Humboldt Near Ammon Creek 732 Comment
  UC1196240  Ranunculus californicus J. P. Tracy 1901-4-7 1005 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC378924  Ranunculus californicus var. californicus J. P. Tracy 1910-5-8 3132 Humboldt immediate vicinity of Eureka 152 Comment
  UC552284  Ranunculus flammula Joseph P. Tracy 1934-7-30 13499 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  JEPS55087  Ranunculus occidentalis Joseph P. Tracy 1918-5-28 4948 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC486518  Ranunculus occidentalis Parks and Tracy 1930-5-25 859 Humboldt Laribee Valley; along small stream, eastern Humboldt Co. Comment
  HSC18170  Ranunculus occidentalis var. occidentalis Francis Winter 1960-4-23 Humboldt 1.0 mi. N of Dollar Ranch on Korbel-Maple Creek Rd. 229 Comment
  HSC32314  Ranunculus occidentalis var. occidentalis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5658 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  CDA3495  Ranunculus parviflorus B. F. Kemp 1958-5-5 396 -58 Humboldt Loleta. 0 Comment
  POM118708  Ranunculus repens Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC18176  Ranunculus repens var. repens Francis Winter 1960-4-19 Humboldt Samoa Peninsula, 4.5 mi. W of Arcata Comment
  HSC29783  Ranunculus repens var. repens Thomas W. Nelson 1970-6-11 602 Humboldt Adjacent to 4244 Fairway Dr., Eureka Comment
  JEPS60719  Ranunculus sardous Joseph P. Tracy 1921-7-31 5861 Humboldt Fortuna Northern Coast Ranges 30 Comment
  HSC18191  Ranunculus uncinatus Jack Rockwell 1962-4-29 33 Humboldt N Bank of Van Duzen River, E of Hwy. 101 Comment
  UC502929  Ranunculus uncinatus Joseph P. Tracy 1932-7-10 10394 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UCD115153  Raphanus raphanistrum Linda M. Barker 1976-7-5 1647 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  UC249596  Rhamnus californica subsp. californica Joseph P. Tracy 1921-10-2 5963 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS41951  Rhamnus californica subsp. occidentalis W. L. Jepson 1902-7-2 1977 Humboldt Three Creek to Willow Creek 762 Comment
  SDSU3417  Rhododendron macrophyllum D. F. Howe 1961-8-2 3120 Humboldt 7.7 miles east of Orick and Bald Mt. road. 610 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
  UC1173683  Rhododendron occidentale Joseph P. Tracy 1939-7-9 16319 Humboldt Bald Mountain, at Lake Prairie Lake Prairie; Bald Mountain, Lake Prairie 1066 Comment
  UC604646  Rhododendron occidentale Joseph P. Tracy 1938-6-16 15944 Humboldt Trinidad 60 Comment
  UCSB4803  Rhododendron occidentale Phillips, Priscilla 1958-6-7 Humboldt Highway 101, 14.1 mi. south of Prairie Creek Redwoods State Park (north of Trinidad) Comment
  CAS-BOT-BC200380  Rhododendron occidentale var. paludosum Mrs. A. H. Rodda 1932-5-22 s.n. Humboldt Redwood Highway Comment
  HSC54528  Rhododendron occidentale var. paludosum Overton, Butler 1979-7-23 9468 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  HSC96519  Rhododendron occidentale var. paludosum Gordon Leppig 1998-5-11 759 Humboldt Big Lagoon County Park. 3 Comment
  RSA69331  Rhododendron occidentale var. paludosum F. W. Peirson 1923-7-11 3801 Humboldt 7 miles N of Arcata. Comment
  CHSC115052  Ribes bracteosum Jessica O'Brien 2011-5-3 9231 Humboldt Near Frost Creek ca. 7.22 air miles south of Bridgeville. Triple THP. 502 Comment
  UC161565  Ribes bracteosum Joseph P. Tracy 1911-6-4 3216 Humboldt 5 mi from coast; Northern Coast Region, Little River 121 Comment
  CAS-BOT-BC168855  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC154125  Ribes inerme var. klamathense Joseph P. Tracy 1908-6 2767 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC58055  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11921 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  UC11582  Ribes laxiflorum Harley P. Chandler May, 1901 1202 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC154154  Ribes laxiflorum Harley P. Chandler May, 1901 1171 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  CAS-BOT-BC173368  Ribes lobbii J. H. Thomas 1949-6-13 912 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. (East of town of Orleans) 1371 Comment
  HSC70746  Ribes lobbii R. York 1980-5-17 537 Humboldt Near Le Perron Peak 1066 Comment
  JEPS49355  Ribes lobbii W. L. Jepson 1902-7-16 2044 Humboldt Trinity Summit 2133 Comment
  HSC58085  Ribes marshallii G. L. Clifton, Griswold 1979-8-1 11991 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC183577  Ribes menziesii Joseph P. Tracy 1912-3-31 3568 Humboldt Blue Lake Northern Coast Ranges 30 Comment
  HSC20310  Ribes menziesii F. S. Griffith 1965-3-20 104 Humboldt 1.0 mi. E of Hwy. 101 along Mad River Rd. Comment
  RSA0021767  Ribes menziesii Joseph P. Tracy 1948-3-6 17954 Humboldt Trinidad. 61 Comment
  UCR270273  Ribes roezlii John F. Emmel 2003-7-30 1799 Humboldt North Coast Range, Redwood National Park, 16.6 road miles southeast of Hwy 101 on Bald Hills Road, c. 0.3-0.4 air mile west of Schoolhouse Peak 823 Comment
  CAS-BOT-BC198897  Ribes roezlii var. cruentum Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  HSC31648  Ribes sanguineum Timothy B. Devine 1974-5-4 313 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  CAS-BOT-BC144688  Ribes sanguineum var. glutinosum Joseph Andorfer Ewan 1937-7-1 10444 Humboldt on river bench. Stephan Grove on Eel River, n. of Garberville Comment
  HSC95674  Ribes sanguineum var. glutinosum Kevin Thomas 2004-3-18 4 Humboldt Near Clam Beach exit of Hwy. 101 N, along old Hwy. 101, at end of Little River Rd. Comment
  CAS-BOT-BC173991  Ribes viscosissimum Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC173992  Ribes viscosissimum J. H. Thomas 1949-6-13 913 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. (East of town of Orleans) 1371 Comment
  HSC97475  Ribes viscosissimum Cara Witte 2007-5-23 110 Humboldt Forest Service Road 4N70 to Grouse Mountain Lookout. 1601 Comment
  HSC32923  Rigiopappus leptocladus Thomas W. Nelson, James Nelson 1973-5-28 969 Humboldt McKeown Ranch N of Dinsmore Comment
  SEINET11803871  Rigiopappus leptocladus J. P. Tracy 1950-1 18996 Humboldt 2 mi S of Burr Valley on Albee Road 1158 Comment
  UC1223447  Rigiopappus leptocladus Joseph P. Tracy 1950-7-6 18996 Humboldt on the Albee Road two mi s Burr Valley 1158 Comment
  UC702003  Romanzoffia tracyi Harold E. Parks March 1946 24276 Humboldt ocean bluffs at Trinidad Head Comment
  CAS-BOT-BC74512  Rorippa curvisiliqua S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3438 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  CAS-BOT-BC74510  Rorippa curvisiliqua Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River, near Wilson Creek, Orleans region. Comment
  RSA43862  Rorippa curvisiliqua H. M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  UC1199222  Rorippa nasturtium-aquaticum Joseph P. Tracy 1927-7-17 8280 Humboldt on lower western foothills Chaparral Mountain (Three Cabins); Northern Coast Ranges, western foothills Chaparral Mountain 457 Comment
  RSA34302  Rosa eglanteria Doris K. Kildale 1925-11 1343 Humboldt Big Lagoon Comment
  RSA44364  Rosa eglanteria H. M. Pollard 1946-8-27 s.n. Humboldt Near Boyce Creek. Orleans region. Comment
  CAS-BOT-BC146478  Rosa gymnocarpa Ella Dales Cantelow 1936-5-17 1402 Humboldt 4 1/2 mi. E. of Orick Rd to Yreka Comment
  HSC19635  Rosa gymnocarpa G. N. Bos 1965-5-15 263 Humboldt 4 mi. W of Berry Summit, along Hwy. 299 671 Comment
  HSC44327  Rosa gymnocarpa Brad Klipfel 1975-6-17 667 Humboldt Horse Mtn. Comment
  HSC47952  Rosa gymnocarpa Brad Klipfel 1974-7-27 493 Humboldt Horse Mtn. Comment
  POM117575  Rosa gymnocarpa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  CAS-BOT-BC146829  Rosa nutkana Doris K. Kildale 1927-7-10 3724 Humboldt Gans Prairie on Bald Hills road 609 Comment
  CAS-BOT-BC146837  Rosa nutkana Doris K. Kildale 1927-5-14 3202 Humboldt Big Lagoon Comment
  HSC60108  Rosa pisocarpa M. A. Baker 1978-5-2 451 Humboldt Elk Head Comment
  HSC99508  Rosa pisocarpa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 170 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
  UC667040  Rosa pisocarpa subsp. pisocarpa Joseph P. Tracy 1940-7-14 16691 Humboldt on river bank Garberville 152 Comment
  RSA86869  Rubus laciniatus F. W. Peirson 1923-7-10 3755 Humboldt Garberville. Comment
Read comments
Apr 16 2013
  UC1199044  Rubus lasiococcus Joseph P. Tracy 1947-6-26 17746 Humboldt near McKay camp (South Fork Mountain); , near McKay camp 1676 Comment
  HSC57115  Rubus leucodermis Overton, Butler 1979-7-25 9858 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC73244  Rubus leucodermis M. A. Baker 1980-5-18 1341 Humboldt Near Black Mtn. 792 Comment
  UC467840  Rubus leucodermis Joseph Burtt Davy and Walter C. Blasdale 1899-5 5423 Humboldt near Hubbards Station (nw California); near Hubbards Station Comment
  CAS-BOT-BC147241  Rubus parviflorus E. A. McGregor 1921-8-17 s.n. Humboldt On old abandoned road grade S.E. of Orick Comment
  CAS-BOT-BC147242  Rubus parviflorus E. R. Johnson 1929-8-1 1416 Humboldt Arcata Redwood Park 76 Comment
  JEPS47711  Rubus parviflorus Lincoln Constance 1934-5-31 756 Humboldt Bull Creek Flat South Fork Eel River, Bull Creek Region (along Bull Creek, from w boundary of Park to Grasshpper Peak (Squaw Creek) rd., South Fork Eel River) Comment
  SEINET11910996  Rubus parviflorus F. H. Utech 1986-1 86 -394 Humboldt ca 5 mi N on Kings Peak Rd., from junction with Shelter Cove Rd., near Tolkan Recreation Area 480 Comment
  CHSC13518  Rubus spectabilis A. R. Morrison 1974-4-27 Humboldt Ca. 1.5 mi. off Hwy. 101 on Westhaven Rd., Trinidad. 45 Comment
  UC1199046  Rubus spectabilis Joseph P. Tracy 1931-4-12 9333 Humboldt near Blue Lake (Mad River (at Essex)); Northern Coast Region, Mad River 15 Comment
  HSC8607  Rubus ursinus R. E. Hafenfeld 1965-5-9 5 Humboldt Near jct. of Gold Bluff Beach Rd.and Squashan Cr. Comment
  UCD17618  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 046 Humboldt California. Humboldt County: 6.6 miles north of Ettersburg on road to Honeydew. Comment
  UCD17840  Rubus ursinus H. Olmo 8-10 May 1962 62- 38 A Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  UCD17846  Rubus ursinus H. Olmo 8-10 May 1962 62- 33 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  UC1223049  Rudbeckia occidentalis Joseph P. Tracy 1947-8-24 17886 Humboldt meadow at Box Camp; Trinity Summit 1463 Comment
  UC55519  Rumex Joseph Burtt Davy 1899-7-30 6170 Humboldt Ferndale Comment
  HSC17568  Rumex acetosella Gerald T. Rood 1962-5-6 16 Humboldt Kneeland Rd. ca. 1 mi. W of Barry Rd. Comment
  HSC17586  Rumex acetosella R. I. Bonn 1965-5-7 30 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  UC1541400  Rumex acetosella W. K. Parks Apr 1934 5279 Humboldt Spruce Cove Trinidad Comment
  HSC17580  Rumex acetosella Elrid H. Spinas 1948-6-16 66 Humboldt Horse Mtn. Comment
  CAS-BOT-BC421523  Rumex crassus C. L. Hitchcock; J. S. Martin 1939-7-14 5438 Humboldt At Shelter Cove Comment
  CAS-BOT-BC421592  Rumex crispus Doris K. Kildale 1926-5-9 1997 Humboldt Kneeland Prairie 762 Comment
  HSC90648  Rumex crispus Gail Newton 1982-6-10 3611 Humboldt Elk River Wildlife Area, Eureka Comment
  CHSC23320  Rumex fueginus Robert F. Thorne; P. Everett 1965-8-9 35329 Humboldt Clam Beach County Park; along highway in shallow water of ditch. 3 Comment
  UCD101361  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Trinity Summit. Box Camp. 1463 Comment
  HSC36319  Rumex persicarioides Thomas W. Nelson 1975-8-10 2242 Humboldt At Shively Comment
  CAS-BOT-BC434097  Rumex transitorius Carl B. Wolf 1927-8-28 1182 Humboldt Salt Marsh, Eureka Bay, on the road to Arcata Comment
  UC1222604  Rupertia physodes Joseph P. Tracy 1950-6-15 18783 Humboldt 7 mi n Harris; Mail Ridge, Jenk's Ranch Comment
  CAS-BOT-BC454158  Ruppia maritima Joseph P. Tracy 1938-7-15 16079 Humboldt Mouth of Eel River 3 Comment
  HSC49621  Ruppia maritima R. York 1979-5-23 311 Humboldt Old abandoned logging pond at the S end of H St. in Arcata 0 Comment
  RSA301862  Rytidosperma penicillatum Joseph P. Tracy 1942-6-28 17267 Humboldt [Unspecified] Comment
  UC668106  Sagina apetala Joseph P. Tracy 1933-3-19 12200 Humboldt Alton to Fortuna (Eel R.); Eel R. 15 Comment
  POM151674  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-4-30 2172 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay. Comment
  JEPS79973  Sagina maxima subsp. crassicaulis Joseph P. Tracy 1940-5-18 16564 Humboldt Trinidad 15 Comment
  UC902094  Sagina saginoides Joseph P. Tracy 1947-8-24 17918 Humboldt near Box Camp Trinity Summit 1676 Comment
  CDA20313  Salicornia rubra A. Pickart 2004-11-1 s.n. Humboldt Mad River Slough, Humboldt Bay. 0 Comment
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Aug 24 2011
  RSA246919  Salicornia virginica R. F. Thorne, P. Everett 1965-8-7 35205 Humboldt Samoa Peninsula. 0 Comment
  CAS-BOT-BC132710  Salix A. T. Whittemore 1980-3-15 80 -004 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  UC1196721  Salix Joseph P. Tracy 1935-4-17 13775 Humboldt Alton to Fortuna; Eel R. 15 Comment
  CAS-BOT-BC129884  Salix bonplandiana Mrs. H. P. Bracelin 1931-5-1 272 Humboldt Sylvandale, between Miranda and Meyers, South Fork of Eel River Comment
  UC1173608  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14267 Humboldt meadows at Water Dog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC103808  Salix exigua W. R. Dudley 1899-6-21 s.n. Humboldt Near forks of Eel River by Dyerville Comment
  RSA44504  Salix exigua H. M. Pollard 1947-8-21 s.n. Humboldt Klamath River [??] Boyle Creek. Orleans Region. Comment
  UC490574  Salix exigua var. hindsiana Joseph P. Tracy 1932-7-31 10289 Humboldt along Eel R. from S. Fork to Scotia (mouth of Larrabee Creek); Northern Coast Ranges 60 Comment
  CAS-BOT-BC107744  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1221 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107770  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1225 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CAS-BOT-BC107773  Salix hookeriana Harold E. Parks; Susan T. Parks 1932-4-7 1103 Humboldt Little River Lagoon, Trinidad Comment
  CHSC96696  Salix hookeriana Gordon Leppig 1999-4-15 1120 Humboldt Big Lagoon County Park, Big Lagoon Bog. On western edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  JEPS13088  Salix hookeriana Joseph P. Tracy 1937-8-12 15658 Humboldt Snow Camp 1402 Comment
  POM219558  Salix hookeriana H. E. Parks 1931-3-24 912 Humboldt Fortuna. Eel River. 10 Comment
  RSA34247  Salix hookeriana Doris K. Kildale 1927-5-14 3190 Humboldt Big Lagoon. Comment
  RSA475258  Salix hookeriana Lyman D. Benson 1928-7-5 370 Humboldt Garberville. Seward N Coast mtn range. S Fork Eel River. 244 Comment
  SBBG59113  Salix hookeriana H. E. Parks 1931-5-28 1000 Humboldt Little River Lagoon Comment
  UC1225924  Salix hookeriana Joseph P. Tracy 1947-8-31 17930 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC146207  Salix hookeriana J. P. Tracy 1905-4 2392 /2168 Humboldt Immediate vicinity of Eureka 0 Comment
  UC275497  Salix hookeriana Joseph P. Tracy 1925-4-5 6951 Humboldt near Kneeland Prairie (near Loren Frost place on Kneeland Rd.); Northern Coast Ranges 609 Comment
  UC470428  Salix hookeriana Joseph P. Tracy 1931-9-20 9688 Humboldt Trinidad Northern Coast Region 60 Comment
  UC470437  Salix hookeriana Joseph P. Tracy 1931-10-18 9738 Humboldt Camp Grant Northern Coast Ranges, Eel River 60 Comment
  UC481395  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna Eel River (bank of river) 10 Comment
  UC490473  Salix hookeriana Joseph P. Tracy 1932-6-26 10262 Humboldt Valley of S. Yager Creek Northern Coast Ranges, Valley of S. Yager Creek 762 Comment
  UC512077  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1226 Humboldt 1 mi n Samoa (pine barrens near coast) Comment
  UC512098  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1211 Humboldt 1 mi n Samoa (near coast) Comment
  UC519334  Salix hookeriana H. E. Parks and Joseph P. Tracy 1933-6-11 12540 Humboldt S. Fork Eel R. near Miranda; Northern Coast Ranges, S. Fork Eel R. 91 Comment
  JEPS14762  Salix jepsonii Joseph P. Tracy 1932-7-18 10724 Humboldt head of Brett Hole (Trinity Summit, Klamath Mts.); Klamath Mts., Trinity Summit 1828 Comment
  UC481812  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 271 Humboldt between Miranda and Meyers (Sylvandale); S. Fork Eel R., Sylvandale Comment
  UC517961  Salix laevigata M. S. Jussel 1931-5-1 Humboldt Sylvandale Comment
  LA208815  Salix lasiandra Harold E. Parks; 1931-3-24 911 Humboldt Fortuna, on banks of Eel River 10.0 Comment
  UCSB10870  Salix lasiandra Parks, Harold; Parks, Susan 1931-8-15 Humboldt Blue Slide, Van Duzen River 100 Comment
  UC176690  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1913-6-20 4218 Humboldt Dinsmore's Ranch opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  CAS-BOT-BC128191  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1931-8-15 1078 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC128192  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1932-5-12 1150 Humboldt In swamp near bridge at mouth of Maple Creek, Big Lagoon Comment
  CAS-BOT-BC128200  Salix lasiandra var. lasiandra Henry M. Pollard 1945-9-1 s.n. Humboldt Camp Creek, Klamath River Canyon Comment
  CAS-BOT-BC107610  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-13 1253 Humboldt On gravelly floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road 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-BC107624  Salix lasiolepis Joseph P. Tracy 1932-4-24 9803 Humboldt South Fork of Eel River, between Miranda and Redway 91 Comment
  HSC20010  Salix lasiolepis J. P. Tracy 1933-2-26 10914 Humboldt Miranda, S Fork of Eel River 122 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
  UC469408  Salix lasiolepis Joseph P. Tracy 1927-3-27 7869 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC506342  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen River 228 Comment
  UC506404  Salix lasiolepis Joseph P. Tracy 1932-10-8 10866 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC512041  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1322 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UCSB11963  Salix lasiolepis Ball, Carleton; Parks, Harold; Tracy, Joseph 1932-5-13 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC107299  Salix lasiolepis var. bigelovii Harold E. Parks; Joseph P. Tracy 1931-5-17 0976 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC107403  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-4-29 5958 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC107420  Salix lasiolepis var. lasiolepis Alice Eastwood 1913-7-3 3416 Humboldt Bear River, McCourtneys Bridge Comment
  POM219248  Salix lucida subsp. lasiandra H. E. Parks, Susan T. Parks 1931-8-15 1078 Humboldt Blue Slide. Van Duzen River. 100 Comment
  POM219689  Salix lucida subsp. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  SBBG57838  Salix lucida subsp. lasiandra H. E. Parks 1931-3-24 911 Humboldt banks of Eel River, Fortuna 10 Comment
  CAS-BOT-BC125609  Salix melanopsis Joseph P. Tracy 1911-7-4 3295 Humboldt Along Willow Creek (Tributary of Trinity River) near its mouth 182 Comment
  HSC20058  Salix melanopsis H. E. Parks 1931-5-14 964 Humboldt Van Duzen River, between Alton and Carlotta 15 Comment
  JEPS12936  Salix melanopsis Joseph P. Tracy 1931-5-3 9344 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  LA208935  Salix melanopsis Harold E. Parks; 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  POM89799  Salix melanopsis Joseph P. Tracy 1920-5-31 5334 Humboldt Mouth of Yager Creek. 30 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
  UC1196637  Salix melanopsis Joseph P. Tracy 1932-8-27 10746 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC275492  Salix melanopsis Joseph P. Tracy 1925-7-26 7209 Humboldt near S. Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC469446  Salix melanopsis Joseph P. Tracy 1931-5-3 9343 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481827  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt 6 km. s. Alton (e. of Redwood Hwy.) 20 Comment
  CAS-BOT-BC129171  Salix scouleriana H. E. Parks 1933-1-24 1353 Humboldt Spruce Cove (Parks Ranch), Trinidad Comment
  CAS-BOT-BC129172  Salix scouleriana H. E. Parks 1932-11-25 1351 Humboldt Spruce Cove (Parks Ranch), Trinidad Comment
  CDA14419  Salix scouleriana P. Haggard 1996-3-18 s.n. Humboldt Eureka. 0 Comment
  HSC96596  Salix scouleriana Gordon Leppig 2003-2-22 1814 Humboldt Eureka Slough, NE corner of log pond 3 Comment
  JEPS14777  Salix scouleriana Joseph P. Tracy 1933-4-2 10956 Humboldt Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 304 Comment
  JEPS89298  Salix scouleriana Joseph P. Tracy 1937-3-21 15236 Humboldt Van Duzen R. near Grizzly Creek; Van Duzen R. 91 Comment
  OBI35882  Salix scouleriana David J. Keil 1983-7-1 17291 Humboldt Between Ferndale and Bear River Ridge Rd along Mattole Rd Comment
  UC1173585  Salix scouleriana Joseph P. Tracy 1937-3-14 15232 Humboldt Redwood Creek at Berry's; North Coast Ranges, , Redwood Creek 274 Comment
  CAS-BOT-BC128951  Salix sitchensis L. R. Abrams 1916-7-11 6047 Humboldt In river gravel, mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC128952  Salix sitchensis H. E. McMinn 1922-8-4 338 Humboldt Along Van Duzen River - 18 miles from Fortuna 6 Comment
  CAS-BOT-BC128960  Salix sitchensis Joseph P. Tracy 1932-7-18 10724 Humboldt Rocky exposed places, head of Brett Hole - Klamath Mountains 1828 Comment
  HSC102510  Salix sitchensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1495 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC20099  Salix sitchensis H. E. Parks, S. T. Parks 1932-4-12 1111 Humboldt Blue Slide, Van Duzen River Comment
  HSC20122  Salix sitchensis H. E. Parks, J. P. Tracy 1931-3-26 908 Humboldt Van Duzen River Comment
  HSC38182  Salix sitchensis Thomas W. Nelson 1976-11-5 3297 Humboldt Along S fork of Martins Slough, upstream from Eureka Muni Golf Course Comment
  HSC90747  Salix sitchensis Jean Hanson 1980-3-8 24 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC1196717  Salix sitchensis Joseph P. Tracy 1926-2-21 7357 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC1280856  Salix sitchensis H. E. McMinn 1934-6-22 3707 Humboldt Sea Cliff n. of Eureka Comment
  UC1356339  Salix sitchensis Theodore J. Crovello 1964-6-24 579 Humboldt 2.5 mi. s. of turnoff from U.S. 101 to Prairie Creek Redwood State Park (along Lost Man Creek 100 yds. w. of junction with U.S. 101); Lost Man Creek Comment
  UC146202  Salix sitchensis J. P. Tracy 1905-11-5 2397 Humboldt immediate vicinity Eureka 0 Comment
  UC303028  Salix sitchensis Joseph P. Tracy 1926-2-21 7359 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC506363  Salix sitchensis Joseph P. Tracy 1933-3-19 10929 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  JEPS12747  Sambucus mexicana W. L. Jepson 1932-7-24 16390 Humboldt Mail Ridge 914 Comment
  UC1239543  Sambucus mexicana Joseph P. Tracy 1932-7-17 10668 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  CAS-BOT-BC235121  Sambucus racemosa var. racemosa Doris K. Kildale 1927-3-22 2938 Humboldt North Fork of Elk River Comment
  CAS-BOT-BC235122  Sambucus racemosa var. racemosa Doris K. Kildale 1927-6-27 3604 Humboldt Scotia 30 Comment
  HSC47490  Sambucus racemosa var. racemosa Sheila Logan 1978-4-9 13 Humboldt Fieldbrook, 0.5 mi. E of McKinleyville on Murray Rd. 122 Comment
  OBI19608  Sambucus racemosa var. racemosa Joseph P. Tracy 1947-8-24 17912 Humboldt East of Box cyn 1676 Comment
  UCD137263  Sambucus racemosa var. racemosa Joseph P. Tracy 1941-3-9 16803 Humboldt Camp Grant, near junction of South Fork and main Eel River. 60 Comment
  RSA12537  Sanguisorba officinalis subsp. microcephala Carl B. Wolf 1934-7-2 5901 Humboldt At small lake at Snow Camp (Mtns E of Korbel) 1372 Comment
  HSC45104  Sanicula arctopoides R. Sutherland 1978-2-18 9 Humboldt 3 Comment
  UCD127966  Sanicula crassicaulis Linda M. Barker 1976-6-1 1540 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC45395  Sanicula graveolens Thomas W. Nelson, Jane P. Nelson 1977-7-4 3594 Humboldt Beside pond above Alder Springs 1585 Comment
  CHSC88615  Sanicula tracyi Linnea Hanson 1993-7-21 346 Humboldt Six Rivers National Forest. Mad River Rock Road. Comment
  HSC34957  Sanicula tuberosa Thomas W. Nelson 1975-5-24 1863 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA114993  Saxifraga mertensiana E. K. Balls, L. W. Lenz 1955-5-15 20733 Humboldt 6.4 miles SW of Willow Creek along US Hwy 299 to Arcata. 457 Comment
  UC774703  Saxifraga mertensiana Carl B. Wolf 1941-3-2 4068 Humboldt 2 mi s of Honeydew (along Honeydew Creek); North Coast Range, Honeydew Creek 152 Comment
  RSA0101646  Sceptridium multifidum Robert F. Thorne, Percy Everett 1965-8-7 35230 a Humboldt Big Lagoon. 3 Comment
  CAS-BOT-BC111696  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-7 3053 Humboldt On extensive sand dunes 1.5 mi S of Samoa on peninsula on W side of Humboldt Bay. Comment
  HSC7477  Schoenoplectus tabernaemontani J. P. Tracy, H. E. Parks 1931-5-17 9421 Humboldt Lack Pond, in Trinity River Valley opposite Willow Creek 152 Comment
  UC1541349  Scirpus acutus var. occidentalis H. E. and S. T. Parks 1930-9-14 771 Humboldt Big Lagoon Comment
  CDA39126  Scirpus maritimus Gordon Leppig 1998-6-25 851 Humboldt Route 101, mile marker 81.60 Comment
  RSA18606  Scirpus microcarpus Carl B. Wolf 1937-9-11 9324 Humboldt Redwood Highway, 3 miles N of Orick at Davison s Ranch on Prairie Creek. 61 Comment
  UC668007  Scirpus microcarpus Joseph P. Tracy 1934-6-21 13242 Humboldt near Fields Landing; near Fields Landing 6 Comment
  CHSC2305  Scoliopus bigelovii V. Holt 1933-4-10 Humboldt Comment
  HSC60289  Scrophularia californica Phyllis Krieg 1979-4-21 Humboldt Above Clam Beach Lagoon, E of Hwy. 101 0 Comment
  HSC79542  Scrophularia californica Kenneth Clark 1980-5-10 630 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 9 Comment
  RSA425152  Scrophularia californica Bonnie C. Templeton 1964-6-13 10088 Humboldt Trinidad Head, near Lighthouse Point. Comment
  SEINET5223991  Scrophularia californica Unknown 2002-8-22 88 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  UC1713599  Scutellaria antirrhinoides Joseph P. Tracy 1938-6-9 15875 Humboldt near Blocksburg (2 mi s of town) 304 Comment
  UC32583  Scutellaria siphocampyloides Chesnut and Drew 1888-7-29 Humboldt Louse Creek Comment
  RSA178561  Sedum divergens Joseph P. Tracy 1950-8-8 19294 Humboldt Croghan Hole, on Trinity Summit Comment
  HSC65852  Sedum laxum subsp. flavidum Gail Newton 1980-6-28 673 Humboldt Near Mad River Butte. 1536 Comment
  HSC64137  Sedum laxum subsp. heckneri J. O. Sawyer, J. P. Smith, R. J. Cole 1977-7-2 3053 Humboldt Rd. 11N17 between Dagsaw Springs and Divide Lake 793 Comment
  HSC56937  Sedum obtusatum subsp. retusum G. L. Clifton, Butler 1979-7-23 9405 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC65873  Sedum radiatum Gail Newton 1980-7-11 1310 Humboldt Near Red Mtn. 1341 Comment
  UC205179  Sedum radiatum Charlotte M. Wilder 1912-10-1 Humboldt Upper Van Duzen River, along trail Upper Van Duzen River 914 Comment
  JEPS25686  Sedum spathulifolium P. C. Hutchison 1961-5-22 2012 Humboldt 1.1 mi s Berry Summit (on hiway US 299, on the road to Horse Mountain); s of Berry Summit, road to Horse Mountain Comment
  HSC63239  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-6-7 801 Humboldt Hwy. 299, 3 km N of Berry Summit Comment
  HSC43159  Selaginella wallacei R. Sutherland 1976-8-24 2 .24876 Humboldt 543 Comment
  HSC99136  Selaginella wallacei C. Witte 2008-10-18 1063 Humboldt Horse Mountain Botanical Area. Approxmiately 1 mile north of Horse Mountain Communication Towers. Forest Service Road 6N66 1456 Comment
  UC1239501  Senecio glomeratus Joseph P. Tracy 1936-8-24 15173 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC364012  Senecio integerrimus var. major Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  CDA7633  Senecio jacobaea F. Wetherbee 1959-8-27 2983 Humboldt Simpson property, Sweezey Dam, Mad River, south of Korbel. 0 Comment
  UC1199492  Senecio minimus Joseph P. Tracy 1934-8-31 Humboldt Kneeland Prairie 762 Comment
  UC1118080  Senecio minimus H. L. Person 1931-7-30 Humboldt Fieldbrook Eureka Quad., Fieldbrook Comment
  HSC36579  Senecio sylvaticus Thomas W. Nelson, James Nelson 1975-9-3 2197 Humboldt Above the junction of Maple Creek-Kneeland Rd. Comment
  UC204868  Senecio sylvaticus Joseph P. Tracy 1918-9-1 5095 Humboldt Newells Camp on old Kneelans Praire Road 457 Comment
  HSC57636  Senecio triangularis G. L. Clifton, Griswold 10794 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1814 Comment
  JEPS37267  Senecio vulgaris Lincoln Constance 1934-6-12 869 Humboldt Dyerville, Bull Creek road and n bank of South Fork Eel River South Fork Eel River, Bull Creek Region Comment
  HSC34816  Senecio vulgaris Dryden 1975-4-20 123 Humboldt Arcata 0 Comment
  HSC6129  Senecio vulgaris J. W. Johnson 1962-4-8 1215 Humboldt Arcata, Mad River Co. Park Comment
  CAS-BOT-BC85835  Sequoia sempervirens Dr. A. Kellogg; W. G. W. Harford 1868-1-1 960 Humboldt unspecified Comment
  UC1196922  Sequoia sempervirens J. P. Tracy 1901-1-1 980 Humboldt immediate vicinity of Eureka 0 Comment
  BLMAR388  Sericocarpus oregonensis Jennifer Anthony-Wheeler 2004-9-1 388 Humboldt Horse Mtn, 18 miles up titlowhill rd 1584 Comment
  CHSC40213  Sherardia arvensis L. P. Janeway 1984-5-13 775 Humboldt Along the Kneeland/Bridgeville Road ca 15 mi east of the Kneeland post office just past Lone Star Junction and near Lone Star Creek. 609 Comment
  UC668139  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  HSC35614  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  RSA12518  Sidalcea malviflora subsp. asprella Carl B. Wolf 1934-7-3 5918 Humboldt 21 miles from Orick on Weitchpec Rd. common. 152 Comment
  HSC97915  Sidalcea malviflora subsp. nana Cara Witte 2007-6-14 286 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  BLMAR280  Sidalcea malviflora subsp. patula Jennifer Anthony-Wheeler 1999-5-28 280 Humboldt King range, growing along windy pt rd about 1/2 way to the spring exclosure 140 Comment
  UC668133  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-8-12 15653 Humboldt Snow Camp 1402 Comment
  POM209753  Sidalcea oregana subsp. spicata Joseph P. Tracy 1932-7-10 10382 Humboldt Trinity Summit Corral Prairie, in wet meadow Comment
  UC1198367  Silene antirrhina Joseph P. Tracy 1919-5-31 5168 Humboldt along Willow Creek ((Tributary of Trinity River) near its mouth); Northern Coast Ranges, along Willow Creek 152 Comment
  HSC35031  Silene bolanderi Thomas W. Nelson, James Nelson 1975-5-24 1849 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC465673  Silene californica Mrs. M. H. Manning 1900-1 Humboldt Hoopa Valley Comment
  UC668100  Silene californica Joseph P. Tracy 1935-6-23 13997 Humboldt French Camp Ridge 1066 Comment
  UC1541414  Silene californica H. E. and S. T. Parks June 1928 258 Humboldt Longvale 182 Comment
  UC1541416  Silene californica H. E. Parks May 1930 Humboldt near Carlotta; near Carlotta Comment
  CAS-BOT-BC384425  Silene coronaria Volney Rattan 1878-1-1 s.n. Humboldt Hoopa Valley Comment
  HSC40965  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt 3 mi. W of Arcata Comment
  UC668089  Silene gallica Joseph P. Tracy 1931-5-3 9350 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  UC668083  Silene grayi Joseph P. Tracy 1932-7-18 10705 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  JEPS30735  Silene hookeri Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2612 Humboldt near Eureka; near Eureka, McClellan Mountain 822 Comment
  RSA477903  Silene hookeri Miss Hutchinson 1927-05 s.n. Humboldt [Unspecified] Comment
  BLMAR151  Silene laciniata subsp. californica Donald Hazlett 1994-6-7 151 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC389066  Silene laciniata subsp. californica Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC389050  Silene laciniata subsp. californica J. H. Thomas 1949-6-14 924 Humboldt Salmon River Valley near its junct. with Klamath River Comment
  CAS-BOT-BC389053  Silene laciniata subsp. californica Doris K. Kildale 1926-3-22 1686 Humboldt Fleener Creek Comment
  CAS-BOT-BC389061  Silene laciniata subsp. californica Lincoln Constance; Alan A. Beetle 1940-5-16 2610 Humboldt Coastal bluffs above Alton Comment
  CAS-BOT-BC389062  Silene laciniata subsp. californica A. M. Vollmer; L. Beane 1951-6-6 126 Humboldt On road between Orick and Weitchpec Comment
  UC13563  Silene menziesii Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pum Hy-Am-Pum (Hy-Am-Pom ?) Comment
  UC1198282  Sinapis arvensis J. P. Tracy 1906-6-20 2494 Humboldt immediate vicinity of Eureka 0 Comment
  HSC23120  Sisyrinchium bellum Norman Dennis 1965-6-8 112 Humboldt 0.25 mi. S and 1 mi. E of junction of Barry Ridge Rd. and Eureka-Bridgeville county road, along Ashfield Ridge Rd., 5 mi. SE of Kneeland 793 Comment
  HSC21297  Solanum aviculare Larry Berti 1968-10-13 Humboldt Comment
  JEPS12110  Solanum physalifolium var. nitidibaccatum Joseph P. Tracy 1940-9-28 16738 Humboldt Eureka 30 Comment
  CAS-BOT-BC154215  Solanum umbelliferum H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  RSA15565  Solidago canadensis subsp. elongata C. B. Wolf 1927-8-29 1198 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  CAS-BOT-BC365669  Solidago spathulata Doris K. Kildale 1928-8-10 6263 Humboldt Samoa Peninsula - Humboldt Bay Comment
  CHSC69500  Solidago spathulata Vernon Oswald; Lowell Ahart 1997-9-4 8852 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.1 mi south of Hwy. 255. ON dunes. 6 Comment
  HSC28941  Solidago spathulata Thomas W. Nelson 1971-11-11 598 Humboldt Foot of Murray Rd., McKinleyville. Comment
  UC166083  Soliva sessilis J. P. Tracy 1901-5-5 1069 Humboldt immediate vicinity Eureka 0 Comment
  HSC35010  Soliva sessilis J. O. Sawyer 1975-5-20 2695 Humboldt 1445 Chester Ave., Sunnybrae Comment
  CHSC10128  Sonchus asper J. W. Johnson 1961-6-12 1410 Humboldt Samoa Peninsula. On a dune tongue between the foredunes, at Foredune 39. Comment
  HSC6216  Sonchus asper J. L. Baker 1965-3-27 20 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  CAS-BOT-BC157210  Sorbus californica Doris K. Kildale 1926-9-5 2635 Humboldt Lasseck's Peaks on trail to Red Peak 1661 Comment
  HSC99386  Sorbus sitchensis var. grayi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 35 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA85195  Sparganium angustifolium subsp. emersum F. W. Peirson 1923-7-11 3642 Humboldt 20 miles north of Eureka. Comment
  HSC21348  Sparganium emersum D. E. Anderson 1961-9-9 1788 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  UCSB25395  Sparganium emersum Keefe, Joseph 1967-7-8 Humboldt East side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka 6 Comment
  HSC37572  Spartina densiflora J. D. Ackerman 1975-6-10 461 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC93849  Spartina densiflora Gordon Leppig, Kai Neander 1999-4-30 1130 Humboldt Humboldt Bay, Eureka, 30 m S of Del Norte St. fishing pier 1 Comment
  HSC4233  Spergula arvensis W. Lanphere 1937-4-20 Humboldt College Campus Comment
  UC1198348  Spergula arvensis subsp. arvensis Joseph P. Tracy 1935-4-11 13774 Humboldt Eureka 30 Comment
  UC161005  Spergula arvensis subsp. arvensis Joseph P. Tracy 1909-6-6 2983 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  CAS-BOT-BC390302  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1936-7-3 3782 Humboldt Eureka Comment
  RSA0098559  Spergularia marina George K. Helmkamp, E. A. Helmkamp 2001-7-8 7007 Humboldt North coastal strand: North spit of Samoa Peninsula, 0.5 miles N of CA-255 bridge over Humboldt Bay. 6 Comment
  CAS-BOT-BC149620  Spiraea douglasii Harley P. Chandler 1901-5-1 1197 Humboldt Humboldt Bay 30 Comment
  RSA12532  Spiraea douglasii Carl B. Wolf 1934-7-2 5906 Humboldt 4.5 miles from Snow Camp on road to Bald Mt (Mtns E of Korbel). 1067 Comment
  RSA43849  Spiraea douglasii H. M. Pollard 1947-8-19 s.n. Humboldt Klamath River [N of] Redcap Creek. Orleans Region. Comment
  UC666994  Spiranthes porrifolia Joseph P. Tracy 1937-6-26 15376 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC668213  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 B Humboldt Valley of South Yager Creek 762 Comment
  JEPS63019  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  HSC14420  Stachys chamissonis C. B. Wolf 1941-7-28 11087 Humboldt Between the redwood Hwy. and Crannell 8 Comment
  POM301655  Stachys chamissonis Carl B. Wolf 1941-7-28 11087 Humboldt between the redwood highway and Crannell. 8 Comment
  HSC63580  Stachys rigida J. P. Smith 1973-5-26 6789 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC54537  Stachys rigida var. rigida Overton, Butler 1979-7-23 9494 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC1116226  Stellaria borealis subsp. sitchana Joseph P. Tracy 1947-8-24 17904 Humboldt Box Camp; Trinity Summit 1463 Comment
  UC8638  Stellaria borealis subsp. sitchana Harley P. Chandler May 1901 1178 Humboldt Humboldt Bay; North Coast Ranges Comment
  JEPS51121  Stellaria media Lincoln Constance 1934-5-31 754 Humboldt Bull Creek Flat South Fork Eel River, Bull Creek Region (along Bull Creek, from w boundary of park to Grasshopper Pk (Squaw Cr) rd, n side of creek) Comment
  UC668077  Stellaria obtusa Joseph P. Tracy 1935-7-23 14161 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  HSC73564  Streptanthus tortuosus Gail Newton 1980-7-14 1501 Humboldt Near Last Chance Ridge 1219 Comment
  UC1198802  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1933-6-13 12562 Humboldt on road w from Hoopa to Bair's near summit; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  UC1103497  Streptopus amplexifolius var. americanus Joseph P. Tracy 1940-8-25 16720 Humboldt near High Prairie; Bald Mountain 1066 Comment
  UC412594  Swertia albicaulis var. nitida Mrs. M. H. Manning 1901-1 Humboldt near Hupa Comment
  CAS-BOT-BC269567  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-29 1782 Humboldt Old Coast Road at Honeydew Post Office 152 Comment
  HSC58385  Symphyotrichum bracteolatum Terry Griswold 1979-7-25 10923 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  HSC38332  Symphyotrichum chilense Peter Sorensen 1976-8-8 Humboldt King Salmon Comment
  UC1222915  Symphyotrichum hendersonii Joseph P. Tracy 1947-8-24 17902 Humboldt Box Camp Trinity Summit 1463 Comment
  UC963847  Symphyotrichum subspicatum H. E. Parks and M. Jackson 1941-8-1 24197 Humboldt Big Lagoon North Coast Ranges Comment
  CDA5590  Symphytum asperum T. C. Fuller 1961-9-28 7047 Humboldt Iverson property, Arcata Bottoms, 0.5 mile south of the Mad River, 0.75 mile west of Highway 101, 2 miles north of Arcata. 0 Comment
  JEPS26261  Synthyris reniformis Joseph P. Tracy 1926-2-28 7379 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  HSC21153  Synthyris reniformis D. E. Anderson 1964-2-23 2905 Humboldt Near Indian Creek on Kneeland-Bridgeville Rd. Comment
  JEPS9924  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt along road between three creeks and mouth of Willow Creek; Northern Coast Ranges, Brannan Mountain 914 Comment
  CHSC1902  Synthyris reniformis var. cordata H. Mapes 1953-3-9 Humboldt Comment
  CHSC68504  Synthyris reniformis var. cordata Vernon H. Oswald 1997-4-10 8331 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  UCD86204  Taeniatherum caput-medusae Eugene C. Whitney 1960-8-4 Humboldt Mary White prop., Fruit Ranch, E/Rainbow Peak, Upper Bear River. Comment
  HSC78985  Tanacetum bipinnatum L. P. Janeway 1984-5-16 801 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 5 Comment
  HSC95076  Tanacetum bipinnatum Andrea Pickart 2002-7-2 144 Humboldt King Salmon Sand Spit 0 Comment
  RSA233223  Tanacetum camphoratum P. H. Raven 1962-8-31 18079 Humboldt Dry Lagoon State Park. Comment
  SBBG53001  Tanacetum vulgare J. D. Hobson -Jun-1966 Humboldt Loleta Comment
  HSC100449  Taraxacum dens-leonis Carl C. Marshall Mar 1886 136 Humboldt Everywhere. Comment
  CAS-BOT-BC376895  Taraxacum officinale Doris K. Kildale 1926-5-24 1683 Humboldt Ryan Slough near Occidental Ranch Comment
  UC1197067  Tauschia kelloggii Joseph P. Tracy 1936-6-27 15006 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  POM274834  Tellima grandiflora Lyman Benson 1927-7-12 233 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  UC1222570  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1950-7-6 18986 Humboldt Burr Valley Buck Mountain (nw slope of mt., lower end of valley) 1066 Comment
  RSA430063  Thelypodium brachycarpum Emery M. Whilton 1941-6-27 s.n. Humboldt Near Eureka Comment
  HSC100463  Thelypodium lasiophyllum Carl C. Marshall 32 Humboldt No data. Comment
  CAS-BOT-BC5391  Thlaspi californicum Volney Rattan 1882-6-1 s.n. Humboldt at Kneeland Prairie Comment
  UC1198811  Thlaspi montanum var. montanum Joseph P. Tracy 1939-4-29 16234 Humboldt near Weitchpec (along Trinity River); , near Weitchpec 121 Comment
  NY17203  Thuja plicata E. K. Balls 1953-10-11 18632 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
  OBI36631  Thuja plicata David J. Keil 1983-7-2 17308 Humboldt Ca. 10.5 mi E of jctn with US 101 along SR 299 Comment
  POM299149  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt Camp 21 , Hammond Lumber Company, Trinidad 152 Comment
  RSA46501  Thuja plicata Doris K. Kildale 1927-3-22 2935 Humboldt N Fork of Elk River, Humboldt County Comment
  SEINET3866804  Thuja plicata Jack D. Brotherson 1982-7-14 3315 Humboldt Ca 25 miles north of Arcata along U.S. Hwy 101.; 0 Comment
  HSC6991  Thysanocarpus curvipes D. E. Anderson 1962-5-1 2204 Humboldt 1 mi. W of Hoopa Comment
  UC229825  Thysanocarpus curvipes Joseph P. Tracy 1922-4-30 6032 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, , Willow Creek 152 Comment
  UC667101  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1936-8-7 15085 Humboldt head of Little Hors-Linto Creek; Trinity Summit, head of Little Hors-Linto Creek 1371 Comment
  UCR3923  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
  RSA12556  Tiarella trifoliata var. unifoliata Carl B. Wolf 1934-7-2 5883 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC55632  Tolmiea diplomenziesii Overton, Butler 1979-7-24 9634 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC21159  Tonella tenella D. E. Anderson 1965-4-24 3546 Humboldt 2 mi. E of Berry Summit along Hwy. 299 Comment
  HSC41012  Tonella tenella J. P. Smith, J. O. Sawyer 1976-5-2 8631 Humboldt Hoopa Reservation, 0.2 mi. W of junction with Loop Rd. along Redwood Creek-Hoopa Rd. 61 Comment
  HSC21588  Torilis arvensis P. W. Shields May 1955 Humboldt HSC campus Comment
  POM332456  Torilis arvensis Thomas W. Nelson, Jane P. Nelson 1978-7-2 4387 Humboldt Along hwy 36 ca. 1 mile E of Grizzly Creek Comment
  BLMAR228  Torilis arvensis Jennifer Anthony-Wheeler 1996-7-11 228 Humboldt N.Dobbyn creek, growing in understory of mixed evergreen forest 1005 Comment
  CAS-BOT-BC169178  Toxicodendron diversilobum Carl D. Duncan 1920-9-27 s.n. Humboldt Hoopa Valley Comment
  JEPS4746  Tracyina rostrata Joseph P. Tracy 1930-6-15 8762 Humboldt Dobbyn Creek 152 Comment
  NY274177  Tracyina rostrata J. P. Tracy 1916-6-20 4735 Humboldt Alder Point Comment
  SEINET3071157 Image available Tracyina rostrata J. P. Tracy 1916-6-20 4735 Humboldt Alder Point Comment
  UC1199329  Tracyina rostrata Joseph P. Tracy 1916-6-20 4736 Humboldt Parry's Ranch Northern Coast Ranges, Dobbyn Creek 182 Comment
  HSC98556  Tragopogon dubius Cara Witte 2008-7-10 849 Humboldt Forest Service Road 4N06A. Cow Creek Ridge. 1 mile from National Forest 1. Under powerlines. 1237 Comment
  CHSC32806  Tragopogon porrifolius Lora L. Anderson 1981-4-26 5 Humboldt Ca. 0.5 mi w of Mad River, 200 yds n of 200/299 separation bridge, 8 mi ne of Arcata. Along roadside. 30 Comment
  UC198630  Trichostema lanceolatum Joseph P. Tracy 1916-9-6 4759 Humboldt Grasshopper Ridge, head of Canoe Creek Northern Coast Ranges 609 Comment
  UC32547  Trichostema laxum Chestnut and Drew 1888-7-12 Humboldt Campbell's Comment
  HSC102186  Trichostema oblongum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1100 Humboldt Andy's Camp 1564 Comment
  CHSC31274  Trientalis latifolia Mark Stopher 1980-5-20 70 Humboldt In dense forest along the Van Duzen River near Rte 36. Comment
  HSC95824  Trientalis latifolia Kevin Thomas 2004-4-26 16 Humboldt Jacoby Creek Rd. Comment
  RSA460855  Trientalis latifolia W. Hutchinson 1927-05 s.n. Humboldt [Unspecified] Comment
  HSC71468  Trifolium albopurpureum J. P. Smith, J. O. Sawyer 1973-5-12 6676 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  UC1223393  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1948-5-31 17989 Humboldt near Harris (West side of top of Spruce Grove Ridge) 762 Comment
  RSA170210  Trifolium arvense Joseph P. Tracy 1941-7-26 16970 Humboldt Eureka (G Street near 9th) Comment
  UC205597  Trifolium ciliolatum J. P. Tracy 1919-5-31 5148 Humboldt along Willow Creek (near mouth of Tributary of Trinity River); Northern Coast Ranges 152 Comment
  UC1223490  Trifolium cyathiferum Joseph P. Tracy 1950-7-6 19007 Humboldt 2 mi s Burr Valley (on Albee Rd) 1158 Comment
  SEINET12157150  Trifolium depauperatum J. P. Tracy 1933-1 12242 Humboldt Petrolia, Mattole Valley Comment
  UC1223468  Trifolium dubium Joseph P. Tracy 1948-5-31 18024 Humboldt Blocksburg Comment
  HSC77333  Trifolium dubium L. P. Janeway 1983-4-30 239 Humboldt 21 Comment
  RSA195478  Trifolium dubium C. R. Gunn 1963-6-2 2694 Humboldt Two miles SE of Arcata Comment
  UC162781  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1908-6-8 2641 Humboldt at top Lawrence Creek hill; Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA244958  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt On the flood plain of the Mad River at the north end of the Carson railroad bridge. Comment
  HSC2113  Trifolium fucatum C. B. Wolf 1927-8-30 1236 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC1197022  Trifolium fucatum Joseph P. Tracy 1906-6-10 2470 Humboldt nw slope Wragletown (lower foot); Northern Coast Ranges 152 Comment
  UC1223459  Trifolium fucatum Joseph P. Tracy 1933-5-20 12221 Humboldt s point of cape (near ocean shore); Cape Mendocino Comment
  UCD111199  Trifolium hirtum B. L. Kay 1955-6-2 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  RSA232726  Trifolium incarnatum Larry E. DeBuhr, Gary D. Wallace 1972-5-22 605 Humboldt Along Hwy. 299 west of Arcata. Comment
  HSC97567  Trifolium longipes subsp. shastense C. Witte 2007-5-18 44 Humboldt Near Bottleneck Spring. 1575 Comment
  UC199105  Trifolium longipes var. elmeri Chesnut and Drew July 1888 Humboldt S. Fork of Trinity Comment
  UC1223333  Trifolium longipes var. oreganum Joseph P. Tracy 1950-7-1 18945 Humboldt near Clear Lake (where the Friday Ridge comes ot the top of Grouse Mtn Ridge); Grouse Mtn summit 1219 Comment
Read comments
Apr 3 2008
  SBBG3831  Trifolium macraei H. and M. Dearing 1939-5-25 3441 Humboldt near Samoa Comment
  HSC45145  Trifolium microdon R. Sutherland 1978-5-24 3 .24578 Humboldt Mckee Flat 287 Comment
  RSA195475  Trifolium microdon C. R. Gunn 1963-6-2 2690 Humboldt Two miles SE of Arcata Comment
  JEPS4174  Trifolium obtusiflorum Joseph P. Tracy 1932-5-22 10119 Humboldt between Miranda and Redway (South Fork Eel Rive); North Coast Ranges 91 Comment
  JEPS66013  Trifolium oliganthum Milo S. Baker 5560 Humboldt s Garberville Comment
  SBBG67249  Trifolium pratense R. Hartwell 1938-8-6 Humboldt near Eureka Comment
  HSC2108  Trifolium pratense Paul Shields 1955-6-10 Humboldt HSU campus Comment
  HSC15108  Trifolium repens W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  UCSC000416  Trifolium variegatum H. S. Yates 1936-6-18 5733 Humboldt 2 miles N. of Big Lagoon - Rocky Pt. 30 Comment
  HSC32919  Trifolium willdenovii Thomas W. Nelson, James Nelson 1973-5-28 966 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1197532  Trifolium willdenovii J. P. Tracy 1905-4-16 2162 Humboldt Ocean View Cemeter Eureka vicinity 0 Comment
  UC1223374  Trifolium wormskioldii Joseph P. Tracy 1950-6-29 18940 Humboldt 6 mi s Arcata (Fickle Hill) Comment
  CAS-BOT-BC451806  Triglochin maritima L. R. Abrams 1918-6-12 7086 Humboldt Eureka Comment
  POM188101  Triglochin maritima Marcus E. Jones 1931-7-16 29221 Humboldt Arcata. Comment
  UC1103521  Triglochin maritima Joseph P. Tracy 1910-6-5 3146 Humboldt near Samoa (region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  CAS-BOT-BC451802  Triglochin maritima Ira L. Wiggins 1932-6-18 5868 Humboldt At mouth of Little River Comment
  HSC103300  Trillium albidum Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3006 Humboldt Six Rivers National Forest; ~ 0.2 mi. south-southeast of Cold Spring Camp; ~ 3.3 aerial mi. south-southeast of Horse Mtn. Radio Tower. 1416 Comment
  JEPS86159  Trillium chloropetalum Wayne Roderick 1966-5-5 Humboldt n. of Bridgeville 609 Comment
  SEINET3991344  Trillium chloropetalum Unknown 1950-4-20 18615 Humboldt Buck Mountain, lower foothills of its N. W. slope, 2 mi W of Dinsmore's 762 Comment
  HSC101814  Trillium kurabayashii Kjirsten A. Wayman 2012-5-4 315 Humboldt Bald Hills Road, 19 mi. SE of Hwy 101, N 41.14003 deg. W 123.85954 deg. 916 Comment
  CAS-BOT-BC133390  Trillium ovatum Alice Eastwood 1939-3-19 18899 Humboldt Bolling Grove Comment
  UC1541275  Trillium ovatum W. K. Parks July 1933 Humboldt S. Fork Mountain Comment
  HSC69786  Trillium ovatum R. Kalal 1979-5-5 37 Humboldt Fickle Hill Rd. 1.5 mi. E of 11th St. 183 Comment
  SD112794  Trillium ovatum Darley F. Howe 1963-5-26 3557 Humboldt 3.7 miles east of Orick, on Bald Hill Road. 487 Comment
  UC1537232  Trillium ovatum Gordon H. True Jr. 1936-2-26 329 Humboldt on Eel R. near Pepperwood; Eel. R. 91 Comment
  SEINET10458968  Triodanis biflora Chesnut CHESNUT s.n. Humboldt KNEELAND, CAMPBELLS Comment
  UC1199622  Triphysaria eriantha subsp. eriantha Harley P. Chandler May 1901 1142 Humboldt Humboldt Bay; North Coast Ranges Comment
  UC146241  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1906-6-10 2477 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC40372  Triphysaria pusilla Linda M. Barker 1976-4-30 1425 Humboldt 3 mi. W of Arcata Comment
  HSC96262  Triphysaria pusilla April A. Allard, Gregory O'Connell 2005-6-10 8 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF 1 1402 Comment
  UC168994  Triphysaria pusilla Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5390 Humboldt Hubbard's Station; North Coast Ranges, Hubbard's Station Comment
  HSC31723  Triphysaria versicolor subsp. versicolor J. P. Smith 1974-5-16 7370 Humboldt Arcata, median strip along Samoa Blvd. near Sunnybrae Comment
  HSC48993  Trisetum canescens M. Andre Baker 1979-5-23 753 Humboldt Comment
  HSC99056  Trisetum canescens Cara Witte 2008-7-10 847 Humboldt Forest Service Road 4N06A. Cow Creek Ridge. 1 mile from National Forest 1. Under powerlines. 1237 Comment
  UC526695  Trisetum canescens Joseph P. Tracy 1927-6-19 8194 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  UC552800  Trisetum canescens Joseph P. Tracy 1935-7-25 14235 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  UCD93635  Trisetum canescens R. Tofsrud 1947-7-1 199 Humboldt North of Harris. Comment
  SEINET10605778  Trisetum canescens Joseph P. Tracy 1901-5-30 Tracy 1109 Humboldt At Eureka. Comment
  SJSU911  Triteleia bridgesii J. W. Tilden 1946-6-20 1018 Humboldt Bluff Creek c. 1.5 mi above junction with Klamath River Comment
  UC1225868  Triteleia hyacinthina Joseph P. Tracy 1942-6-15 17136 Humboldt near Redcrest resort (Englewood); Englewood 91 Comment
  RSA183018  Triteleia hyacinthina Lee W. Lenz 1966-5-24 24659 Humboldt W of Berry Summit, US 299. Comment
  CAS-BOT-BC526350  Triteleia laxa Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC23715  Triteleia laxa Tim Baroni 1971-6-25 36 Humboldt 8 mi. E of Petrolia Comment
  HSC69853  Typha latifolia R. Kalal 1980-7-20 91 Humboldt Along road to Arcata Marsh Project, foot of I St., Arcata. 2 Comment
  HSC93497  Typha latifolia Gordon Leppig 1998-6-8 899 Humboldt Arcata Marsh and Wildlife Sanctuary, SW side of pond. 2 Comment
  POM272289  Umbellularia californica Lyman Benson 1929-7-16 1845 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  POM160273  Urtica dioica subsp. gracilis Joseph P. Tracy 1926-5-25 7516 Humboldt Around Humboldt Bay. Elk River Valley. 30 Comment
  POM87676  Urtica dioica subsp. gracilis L. R. Abrams, R. C. Bacigalupi 1922-6-25 8278 Humboldt Big Lagoon, south of Orick. Comment
  HSC62985  Utricularia macrorhiza David Wheeler 1979-4-21 75 Humboldt Fieldbrook Elementary School, pond to the W of the baseball fields. Comment
  POM131979  Vaccinium arbuscula Joseph P. Tracy 1906-4-29 2425 Humboldt Eureka. Comment
  HSC39935  Vaccinium cespitosum J. O. Sawyer 1970-6-24 2285 Humboldt Near Waterdog Lakes 1860 Comment
  UC1197767  Vaccinium cespitosum J. P. Tracy 1900-8-26 928 Humboldt immediate vicinity Eureka; , Ricks Prairie 0 Comment
  CAS-BOT-BC199319  Vaccinium ovatum L. B. Kildale 1930-9-9 10408 Humboldt Bald Mountain 914 Comment
  HSC31471  Vaccinium ovatum Steve Selva, Roger Jensen 1974-8-28 96 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC7910  Vaccinium ovatum Dan O'Brien 1962-5-20 Humboldt 0.5 mi. E of Humboldt State University campus Comment
  HSC7917  Vaccinium ovatum D. E. Anderson 1961-9-23 1832 Humboldt 2.3 mi. S of Kneeland corner Comment
  HSC95645  Vaccinium ovatum Andrea Pickart 2002-4-5 41 Humboldt Lanphere Dunes 15 Comment
  JEPS58741  Vaccinium ovatum Mr. and Mrs. George Parrish 1930-5-21 Humboldt Trinidad Comment
  SEINET2029498 Image available Vaccinium ovatum H. E. Parks, S. T. Parks 5638 Humboldt Spruce Cove, Trinidad Comment
  UC154184  Vaccinium ovatum P. E. Goddard 1901-6 20 Humboldt Hupa Comment
  CAS-BOT-BC199405  Vaccinium parvifolium Doris K. Kildale; J. W. Gillespie 1929-6-25 8393 Humboldt Pines Pasture, Eureka Comment
  CHSC609  Vaccinium parvifolium V. Holt 1933-4-10 Humboldt Comment
  HSC72827  Vaccinium parvifolium Gail Newton 1980-6-16 196 Humboldt Near Onion Mtn. 1280 Comment
  OBI35857  Vaccinium parvifolium David J. Keil 1983-7-2 17329 Humboldt Horse Mtn summit SW of Willow Crk. Comment
  UC463032  Vaccinium parvifolium E. B. Copeland 1931-8-17 Humboldt Below Dinsmore; Van Duzen River Comment
  UC198661  Valeriana sitchensis subsp. scouleri Ethel Tracy 1917-6-12 Humboldt along Eel River from South Fork to Scotia; Northern Coast Ranges, Eel River 60 Comment
  CAS-BOT-BC76055  Vancouveria hexandra Harley P. Chandler 1901-5-1 1162 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  HSC98815  Vancouveria hexandra Cara Witte 2008-7-7 839 Humboldt National Forest Road 5N10. 2 miles south of intersection with Friday Ridge Road. Near waterhole sign. 1224 Comment
  HSC99654  Vancouveria hexandra Overton, Butler 1979-7-24 9673 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC3377  Vancouveria hexandra E. W. Styskel 1963-5-16 23 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 290 Comment
  HSC42007  Vancouveria hexandra Tom Duebendorfer 1977-5-15 45 Humboldt 1.6 mi. E of junction of Old State 299 and Maple Creek Rd. Comment
  RSA12550  Vancouveria hexandra C. B. Wolf 1934-7-2 5888 Humboldt Snow Camp. (Mountains east of Korbel). 1372 Comment
  BLMAR34  Vancouveria planipetala Jennifer Wheeler 34 Humboldt King range Comment
  RSA438032  Vancouveria planipetala Miss Hutchinson 1927-7-1 s.n. Humboldt [Unspecified] Comment
  CAS-BOT-BC391321  Velezia rigida Harley P. Chandler 1901-6-1 1306 Humboldt North Coast Ranges. Hupa Indian Reservation 152 Comment
  UC1173647  Veratrum insolitum Joseph P. Tracy 1936-8-8 15127 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  SD90171  Verbascum blattaria Benjamin C. Stone 1952-6-20 108 Humboldt Open woodland, 8 miles south of Garberville on U.S. 101 Comment
  UC535722  Verbascum blattaria Eleanor Armstrong 1934-8-18 1178 Humboldt Richardson Grove; along river 121 Comment
  JEPS11195  Verbascum thapsus W. L. Jepson 1936-8-12 17873 Humboldt South Fork Eel River Phillipsville; South Fork Eel River Comment
  RSA698160  Verbascum thapsus J. R. Bruff 1937-8-17 944 Humboldt Richardson Grove. Comment
  HSC38435  Verbena lasiostachys J. P. Smith 1976-10-30 9000 Humboldt Mad River, E of Essex Lane exit. Comment
  UC582552  Veronica peregrina subsp. xalapensis Joseph P. Tracy 1935-5-25 13832 Humboldt Fort Seward 106 Comment
  SEINET12157685  Vicia americana subsp. oregana J. P. Tracy 1946-1 17569 Humboldt at Green Point, W of Redwod Creek on Trinity Hwy 457 Comment
  HSC40041  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-7-1 2893 Humboldt Along ridge N of Bear Creek 1463 Comment
  JEPS66176  Vicia hassei Lincoln Constance 1934-6-6 826 Humboldt Dyerville to Horse Prairie (fire trail); South Fork Eel River, Bull Creek Region Comment
  BLMAR500  Vicia sativa subsp. nigra Jennifer Wheeler 2009-4-30 500 Humboldt King range, Hidden Valley trail Comment
  HSC15272  Vicia sativa subsp. nigra R. A. Rasp 1964-4-5 32 Humboldt 1 mi. S of Hoopa on Willow Creek Rd. Comment
  HSC15277  Vicia sativa subsp. sativa N. R. Waite 1965-5-21 53 Humboldt W edge of Humboldt State College Campus. Comment
  UC169306  Vicia tetrasperma Joseph P. Tracy 1912-7-7 3739 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC96079  Viola adunca Andrew Byers, Stuart E. Richardson, III 2005-6-10 8 Humboldt 7.4 mi. S of Hwy. 299 on NF1; Coldspring Camp 1357 Comment
  RSA46714  Viola adunca Doris K. Kildale 1926-3-20 1537 Humboldt Big Lagoon. Comment
  RSA0006435  Viola californica Milo S. Baker 1946-6-14 11492 Humboldt South Fork Mt., on forest road in open spots in Fir forest, near Miller Spring and beyond. 1524 Comment
  HSC56145  Viola glabella G. L. Clifton, Griswold 1979-8-1 11974 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC99356  Viola glabella K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 5 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC71155  Viola glabella Thomas W. Nelson 1977-6-15 3428 Humboldt Along FS 6N01, just N of Clear Lake 1372 Comment
  UC1761598  Viola glabella W. K. Parks Jul 1933 6238 Humboldt South Fork Mt. Comment
  UC1762506  Viola glabella Milo S. Baker 1947-8-10 11900 Humboldt near end of forest road from Hoopa 1371 Comment
  HSC32135  Viola hallii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5614 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC96267  Viola hallii Eric Schori, Kazuyuki Ishimaru 2005-6-10 9 Humboldt 7.4 mi. S of Rt. 299 on Titlow Hill Rd.; Coldspring Campground spur road 1370 Comment
  UC668247  Viola lobata subsp. integrifolia Joseph P. Tracy 1937-7-2 15408 Humboldt Head of Little Hors-Linto Creek; Trinity Summit. 1371 Comment
  UC1198431  Viola ocellata Joseph P. Tracy 1948-5-31 18007 Humboldt Harris 762 Comment
  RSA183614  Viola ocellata D. E. Anderson 1965-5-1 3557 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  CHSC68506  Viola odorata Vernon H. Oswald 1997-4-10 8329 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  UC502971  Viola palustris Joseph P. Tracy 1927-4-23 7919 Humboldt Big Lagoon Big Lagoon Big Lagoon Big Lagoon Big Lagoon Big Lagoon Big L; Northern Coast Ranges, Big Lagoon 3 Comment
  JEPS50377  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1922-5-29 6067 Humboldt Northern Coast Ranges, Head of South Yager Creek South Yager Creek; Northern Coast Ranges, South Yager Creek 762 Comment
  HSC32929  Viola purpurea subsp. purpurea Thomas W. Nelson 1973-5-30 974 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  HSC60298  Viola sempervirens Phyllis Krieg 1979-4-3 Humboldt Near USFS PSW Experimental Station Lab., Arcata Community Forest, Arcata 30 Comment
  UC668242  Viola sempervirens Joseph P. Tracy 1938-4-5 15706 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 457 Comment
  HSC69872  Vulpia bromoides Thomas W. Nelson 1978-5-29 4094 Humboldt On McKeown Ranch N of Dinsmore. 762 Comment
  HSC9825  Vulpia bromoides E. W. Styskel 1964-4-3 57 Humboldt 0.25 mi. S of Garberville along Sprowl Creek Rd. Comment
  UC589877  Vulpia bromoides H. S. Yates 1936-6-16 5663 Humboldt 1 mi sw Samoa; Eureka Quad. 6 Comment
  HSC32482  Vulpia microstachys Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide. Comment
  CDA28607  Vulpia microstachys var. ciliata G. F. Hrusa 1993-6-17 11224 Humboldt Red Mountain; Entrance gate to Red Mt. Comment
  HSC71718  Vulpia myuros M. A. Baker 1980-6-26 2446 Humboldt Near Sims Creek 610 Comment
  HSC9937  Vulpia myuros J. W. Johnson 1962-4-8 1230 Humboldt Arcata, Mad River Co. Park Comment
  UC1145202  Vulpia myuros var. hirsuta Joseph P. Tracy 1936-6-17 14959 Humboldt nw slope Buck Mountain (Burr Valley); Burr Valley 1066 Comment
  UC1152014  Vulpia myuros var. hirsuta A. H. Murphy 1951-4-2 7 Humboldt 0.25 mi s Phillipsville (along Highway 101) Comment
  HSC27889  Woodwardia fimbriata Clifton Raymond Chesbrough 1973-6-19 71 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  UC169292  Wyethia angustifolia Joseph P. Tracy 1912-6-9 3657 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UCR40033  Wyethia angustifolia Kenneth Clark 1981-5-24 1393 Humboldt North Coast, Abalone Point, 'Point Delgada Q. 15 Comment
  CAS-BOT-BC382928  Wyethia angustifolia Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans Comment
  UC668191  Xanthium spinosum Joseph P. Tracy 1938-10-30 16174 Humboldt Holmes Flat 60 Comment
  LA17036  Xerophyllum tenax C. B. Wolf; 1934-6-30 5840 Humboldt 6 mi. from Shelter Cove on rd to Briceland near summit of grade Comment
  SDSU11985  Xerophyllum tenax D. F. Howe 1961-8-2 3123 Humboldt 24 miles east of Orick on Bald Mt. road. 914 Comment
  UC1198221  Xerophyllum tenax Joseph P. Tracy 1933-7-11 12671 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC527080  Xerophyllum tenax Doris K. Kildale 1931-5-10 10683 Humboldt Snow Camp Comment
  UC1197337  Yabea microcarpa Joseph P. Tracy 1946-6-15 17560 Humboldt lower foothills Horse Mountain 1066 Comment
  UC1198217  Zigadenus fremontii Joseph P. Tracy 1917-6-17 4818 Humboldt bluff back Bucksport (Eureka); Northern Coast Region, Eureka 0 Comment
  HSC59463  Zostera marina M. A. Ericksen 1979-5-18 294 Humboldt Humboldt Bay, 50 yds. N of Arcata Redwood Company between Arcata and Eureka Comment



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