Search Results — 2000 specimen records retrieved (1371 records with coordinates)
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Results for search: County=HUMBOLDT; Source=All;   

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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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1196915  Abies concolor Joseph P. Tracy 1948-9-5 18202 Humboldt head of Little Hors-Linto Creek (Grizzly Camp); Trinity Summit 1371 Comment
  JEPS47985  Abies grandis W. L. Jepson 1921-9-10 9457 Humboldt Bull Creek flat South Fork of Eel River, Bull Creek flat 60 Comment
  HSC16132  Abronia latifolia K. P. St. John 1965-5-21 39 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  UC165811  Acer circinatum J. P. Tracy 1909-6-13 2997 Humboldt Mad River near Blue Lake; Mad River near Blue Lake 30 Comment
  HSC57964  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-31 11671 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC1199012  Acer macrophyllum Joseph P. Tracy 1912-3-31 3569 Humboldt near mouth Lindsey Creek (Mad River); Northern Coast Ranges, Mad River 30 Comment
  UC205634  Acer macrophyllum Joseph P. Tracy 1920-10-24 5404 Humboldt near Korbel (North Fork of Mad River) Comment
  RSA624389  Acer macrophyllum Louis C. Wheeler 1952-9-14 6930 Humboldt Steep east slope, associated with Umbellularia, Quercus garryana, Pseudotsuga taxifolia. Young tree ca. 8 meters tall. (#5) (Leaves from this tree for analysis). Comment
  BLMAR746  Achillea millefolium Kate McGrath 2015-7-7 746 Humboldt Samoa Peninsula, Throughout the EPPA 1 Comment
  HSC24376  Achillea millefolium J. O. Sawyer 1970-6-24 2217 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC4546  Achillea millefolium J. W. Johnson 1961-8-17 1061 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC73474  Achillea millefolium Gail Newton 1980-7-11 1312 Humboldt Near Red Mtn. 1341 Comment
  HSC73777  Achillea millefolium M. A. Baker 1980-6-7 1770 Humboldt Near Brush Mtn. 1128 Comment
  JEPS37080  Achillea millefolium W. L. Jepson 1932-7-30 16460 Humboldt Bull Creek Comment
  UC1199375  Achillea millefolium J. P. Tracy 1901-7-28 1220 Humboldt immediate vicinity Eureka 0 Comment
  UC581787  Achillea millefolium Joseph P. Tracy 1933-5-20 12230 Humboldt s of point of the cape near ocean shore Cape Mendocino 3 Comment
  HSC59675  Achillea millefolium George Kirn 1977-10-12 Humboldt South shore Little River, 1/2 mile from mouth 8 Comment
  UC854590  Achlys californica Elizabeth Parsons Hawver June 1915 Humboldt Carlotta Comment
  SFV5403  Achlys triphylla J. Turner, F. M. Ball 1962-7-10 s. n. Humboldt East Fork Willow Creek Forest Camp. Highway 299 about 5 miles west of Willow Creek. 457 Comment
  RSA12544  Achlys triphylla C. B. Wolf 1934-7-2 5894 Humboldt Snow Camp. (Mountains east of Korbel). 1372 Comment
  SEINET260372 Image available Achnatherum lemmonii R. Spellenberg 1990-7-10 10248 Humboldt E edge county 8 mi WSW of Salyer 6 mi S of Berry Summit on CA Hwy 299; USFS 1372 Comment
  UC1103144  Achnatherum lemmonii J. P. Tracy 1903-5-23 1905 Humboldt Alder Point Eel River 91 Comment
  HSC90752  Acmispon micranthus Gail Newton 1982-5-5 2537 Humboldt Elk River Wildlife Area, Eureka. Comment
  CHSC35605  Acmispon parviflorus Jame P. Smith 1973-5-26 6837 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  CAS-BOT-BC412602  Aconogonon alaskanum Volney Rattan No date on label s.n. Humboldt Bet. P.C. [Pilot Creek] & Trinity County Comment
  HSC82393  Aconogonon davisiae Thomas W. Nelson 1979-7-11 5022 Humboldt N Trinity Mtn. and ridge to E, SE of Water Dog Lake 1829 Comment
  HSC32122  Actaea rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5589 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC44137  Adenocaulon bicolor Thomas W. Nelson, Jane P. Nelson 1977-7-1 3564 Humboldt Along N side of ridge between Bear and Blanket Creeks 1494 Comment
  UC164786  Adenocaulon bicolor J. P. Tracy 1900-7-22 904 Humboldt immediate vicinity Eureka 0 Comment
  HSC952  Adiantum aleuticum C. B. Wolf 1927-8-28 1170 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  CAS-BOT-BC62295  Adiantum aleuticum L. B. Kildale 1930-6-1 9745 Humboldt Klamath River at Weitchpec Comment
  HSC43906  Adiantum aleuticum H. S. Logsdon 1964-5-14 42 Humboldt 3 mi. SE of Bayside on Jacoby Cr. Rd. Comment
  UC503063  Adiantum jordanii Joseph P. Tracy 1932-4-24 9812 Humboldt between Miranda and Redway (S Fork Eel River); North Coast Ranges 91 Comment
  UC62708  Adiantum jordanii Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5512 Humboldt near Pepperwood Pepperwood Comment
  UCD137191  Adiantum jordanii Lincoln Constance 1934-6-4 823 Humboldt Bull Creek Region, South Fork Eel River. Comment
  UC165819  Aesculus californica Joseph P. Tracy 1901-8-2 1246 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC58167  Agastache urticifolia G. L. Clifton, Griswold 1979-8-2 12237 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC57952  Ageratina occidentalis G. L. Clifton, Griswold 1979-7-31 11634 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC58060  Ageratina occidentalis G. L. Clifton, Griswold 1979-8-1 11936 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  JEPS36264  Agoseris grandiflora Joseph P. Tracy 1921-7-24 5859 Humboldt Kneeland Prairie North Coast Ranges of California, Kneeland Prairie 762 Comment
  RSA12441  Agoseris grandiflora C. B. Wolf 1934-7-1 5852 Humboldt Along Eel River and Redwood Highway, 1.2 mi. S of F. K. Lane Grove. 61 Comment
  SEINET202623 Image available Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt Garberville north end of town. Comment
  UC1222942  Agoseris grandiflora Joseph P. Tracy 1948-8-8 18093 Humboldt Iaqua School House Iaqua Comment
  UC1222937  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19024 Humboldt 3 mi s, sw slopes of Buck Mt Burr Valley; Buck Mountain 1066 Comment
  UC249885  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1923-7-4 6522 Humboldt s South Yager Creek 762 Comment
  JEPS79803  Agoseris heterophylla Joseph P. Tracy 1933-5-30 12417 Humboldt (near Garberville) Redway 152 Comment
  UC1199476  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1925-5-30 2700 Humboldt on grassy slopes McClellan Mountain; Northern Coast Ranges 822 Comment
  UC165996  Agoseris heterophylla var. heterophylla J. P. Tracy 1903-5-22 1875 Humboldt on grassy hills Alder Point 152 Comment
  POM126127  Agoseris hirsuta Joseph P. Tracy 1923-6-20 6316 Humboldt White Thorn Valley 305 Comment
  UCD51874  Agrostis capillaris var. aristata A. H. Murphy 1951-6-13 58 Humboldt Tooby and Prior Ranch, 3 miles S of Blocksburg. Comment
  CAS-BOT-BC127457  Agrostis densiflora Joseph P. Tracy 1927-6-26 8216 Humboldt Stone Lagoon. 6 Comment
  UC1145067  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt clay bluff close to ocean shore Trinidad 3 Comment
  POM160889  Agrostis exarata Joseph P. Tracy 1918-7-21 5085 Humboldt Around Humboldt Bay. Humboldt Hill 91 Comment
  UC526895  Agrostis exarata Joseph P. Tracy 1933-7-20 12809 Humboldt along river near Blue Lake; Mad River 15 Comment
  UCD52096  Agrostis exarata P. B. Kennedy 1928-7-16 s.n. Humboldt Sea Cliffe, near Trinidad. Comment
  UCD52344  Agrostis exarata P. B. Kennedy 1923-8-5 s.n. Humboldt Eel River, west fork, between Phillipsville and Garberville. Comment
  UCD52365  Agrostis exarata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3452 Humboldt 4 miles north of Orleans on road to Somesbar. Comment
  SEINET7593701 Image available Agrostis exarata W. A. Silveus 1938-1 2977 (a) Humboldt Near Dyerville Comment
  UCD52555  Agrostis hallii P. B. Kennedy 1929-6-14 308 Humboldt Humboldt County. Comment
  UCD52793  Agrostis idahoensis A. H. Murphy 1951-8-17 89 Humboldt Humboldt - Trinity County Line: Racetrack Springs, South Fork Mtn., 15 miles northeast of Bridgeville. 1219 Comment
  HSC8803  Agrostis microphylla D. E. Anderson 1963-10-6 2883 Humboldt Mad River bars, across from Essex Junction. Comment
  CAS-BOT-BC139127  Agrostis oregonensis Joseph P. Tracy 1927-8-22 8344 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  HSC1799  Agrostis oregonensis William J. Ferlatte, B. D. Rogers 1966-8-15 3124 Humboldt 6 mi. E of Korbel; Cutoff Red wood Comment
  UC526880  Agrostis oregonensis Joseph P. Tracy 1927-8-22 8344 Humboldt bog in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC186907  Agrostis scabra Joseph P. Tracy 1903-8-9 1929 Humboldt Eureka Northern Coast Region 0 Comment
  UC249863  Agrostis scabra Joseph P. Tracy 1924-8-31 6841 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  CAS-BOT-BC138633  Agrostis stolonifera David D. Keck 1938-8-5 4771 Humboldt Big Lagoon. Comment
  UC33728  Agrostis stolonifera Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6203 Humboldt Russ Ranch Comment
  SEINET11683259  Agrostis stolonifera K. S. Erdman 1970-1 4773 Humboldt Counts Hill prairie on Bald Hills Rd, SE of Orick 853 Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata 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
  HSC8871  Aira praecox R. J. Vernimen 1963-4-27 35 Humboldt 0.5 mi. off Samoa Blvd. behind Georgia-Pacific dump, 7.5 mi. SW of Arcata Comment
  SEINET3917480  Aira praecox Paul Dryden 1975-5-24 203 Humboldt Samoa Dunes. Dunes off Samoa Blvd. across from the boat landing.; 0 Comment
  CHSC32836  Allium amplectens Lora L. Anderson 1981-4-25 16 Humboldt Ca. 1.5 mi ne Redwood Creek, 4.5 mi n of 299w 18 mi ne of Arcata. 228 Comment
  UC666927  Allium campanulatum Joseph P. Tracy 1933-7-25 12863 Humboldt Grouse Mountain 1524 Comment
  HSC71809  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5951 Humboldt Six Rivers National Forest, saddle between two peaks E of Mt. Lassic 1768 Comment
  HSC76440  Allium siskiyouense Denis Kearns 1981-6-24 27 Humboldt Near Cedar Camp 1219 Comment
  UC275536  Allium unifolium Joseph P. Tracy 1923-7-4 6531 Humboldt Valley of South Yager Creek Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  CAS-BOT-BC170942  Alnus rhombifolia Doris K. Kildale 1925-8-13 1121 Humboldt Willow Creek near its mouth 152 Comment
  CAS-BOT-BC170947  Alnus rhombifolia Joseph P. Tracy 1930-11-2 9243 Humboldt Camp Grant, along Eel River 60 Comment
  UC275561  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6575 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC503085  Alnus rhombifolia Joseph P. Tracy 1931-10-11 9717 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC176169  Alnus rubra Joseph P. Tracy 1913-9-9 4392 Humboldt Big Lagoon Northern Coast Ranges 30 Comment
  UC72510  Alnus rubra H. P. Chandler 1905-5-1 Humboldt Eureka Comment
  UC1100223  Alopecurus geniculatus Malcolm A. Nobs and S. Galen Smith 1949-8-3 1164 Humboldt 1 mi. s. Fields Landing; Eel R. Valley Comment
  CAS-BOT-BC13671  Ambrosia artemisiifolia H. M. Pollard 1947-8-27 s.n. Humboldt Near Orleans Comment
  UC1222883  Ambrosia artemisiifolia Joseph P. Tracy 1950-8-20 19313 Humboldt Frank Graham's place; Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC13711  Ambrosia chamissonis David D. Keck 1935-6-16 3385 Humboldt Mouth of Little River. Comment
  UC582627  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  SEINET7014139  Ambrosia chamissonis R. Mastrogiuseppe, J. Mastrogiuseppe 1983-7-16 3491 Humboldt Dunes near Dry Lagoon. Comment
  CAS-BOT-BC142906  Amelanchier Doris Kildale 1931-5-10 10555 Humboldt Snow Camp Comment
  HSC39521  Amelanchier alnifolia var. semiintegrifolia Thomas W. Nelson, James Nelson 1976-6-10 2664 Humboldt Ridge W of Senteney Rock 1555 Comment
  HSC99379  Amelanchier alnifolia var. semiintegrifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 28 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
  HSC96014  Amelanchier pallida Juha Pykala, D. H. Norris 1987-5-19 708 Humboldt Horse Mtn. Rd. at intersection of rd. to ski lift 1400 Comment
  JEPS45134  Amelanchier utahensis W. L. Jepson 1902-7-15 2031 Humboldt Mud Spring to Trinity Summit 1524 Comment
  UC594248  Amsinckia intermedia S. K. Harris, J. P. Tracy and H. S. Yates 1936-6-17 3429 Humboldt nw slopes of Buck Mountain 822 Comment
  UC545822  Amsinckia menziesii var. menziesii H. E. Parks March, 1933 4282 Humboldt Trinidad Comment
  HSC17828  Anagallis arvensis Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC17831  Anagallis arvensis D. B. Bader 1963-3-1 7 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. 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
  CDA30216  Anaphalis margaritacea M. K. Beyers, I. Shepardson 2009-9-13 256 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
  HSC68155  Anaphalis margaritacea J. P. Smith 1971-10-6 4985 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC81710  Anaphalis margaritacea Thomas W. Nelson, Jane P. Nelson 1980-8-12 6237 Humboldt Logging roads S of Lundbar Hills 61 Comment
  HSC48847  Anemone deltoidea Brad Klipfel 1973-7-15 206 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99371  Anemone deltoidea K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 20 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  HSC36626  Anemone deltoidea A. M. Montalvo, J. D. Ackerman 1973-5-6 62 Humboldt Avenue of the Giants 3 mi. NW of Weott 274 Comment
  HSC56311  Angelica arguta Overton, Butler 1979-8-2 12641 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1197383  Angelica genuflexa Joseph P. Tracy 1937-7-17 15442 Humboldt 2 mi s of Fields Landing (near Still Ranch); Northern Coast Region 6 Comment
  UC585998  Angelica genuflexa Joseph P. Tracy 1927-9-25 8380 Humboldt 2 mi s of Fields Landing (around Humboldt Bay, at Still Ranch); Northern Coast Region, Still Ranch 6 Comment
  JEPS16074  Angelica genuflexa W. L. Jepson 1936-8-17 17910 Humboldt Fields Landing, Stills Ranch Fields Landing; , Stills Ranch Comment
  UC582661  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  UC582636  Angelica hendersonii Joseph P. Tracy 1937-8-22 15674 Humboldt Table Bluff 91 Comment
  JEPS14221  Angelica tomentosa Joseph P. Tracy 1938-8-14 16107 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  CAS-BOT-BC271499  Anisocarpus madioides L. R. Abrams 1916-7-11 6017 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  HSC76418  Anisocarpus madioides Denis Kearns 1981-7-8 161 Humboldt Near Bluff Creek 622 Comment
  UC175968  Anisocarpus madioides Joseph P. Tracy 1911-6-4 3213 Humboldt 5 mi from coast (along Little River); Northern Coast Region, Little River 121 Comment
  UC1222880  Antennaria media Joseph P. Tracy 1950-8-8 19297 Humboldt Croghan Hole Trinity Summit 1676 Comment
  UC1199432  Antennaria suffrutescens Joseph P. Tracy 1934-6-14 13216 Humboldt Horse Mountain 1432 Comment
  UC1222874  Antennaria suffrutescens Joseph P. Tracy 1947-7-9 17864 Humboldt Horse Mountain 1432 Comment
  HSC10098  Anthoxanthum occidentale D. E. Anderson 1962-5-10 2205 Humboldt Lanphere Ranch Comment
  HSC38313  Anthoxanthum odoratum Peter Sorensen 1976-6-2 Humboldt North Spit Comment
  HSC8931  Anthoxanthum odoratum J. W. Johnson 1962-4-18 1267 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  HSC8943  Anthoxanthum odoratum R. V. Papike 1962-5-25 31 Humboldt Above Humboldt State University campus 91 Comment
  UC922012  Anthoxanthum odoratum Joseph P. Tracy 1948-6-13 18046 Humboldt Dobbyn Creek 152 Comment
  HSC37193  Anthriscus caucalis Barbara Kelly 1976-5-8 250 Humboldt Westhaven Stables, 1 mi from 101 on Westhaven Dr. Comment
  UCR46782  Antirrhinum vexillocalyculatum subsp. breweri D. M. Thompson 1983-6-26 354 Humboldt Kneeland Road 9.1 mi south of jct with Mountain View Road. 446 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
  UC154207  Aphanes occidentalis J. P. Tracy 1909-5-2 2961 Humboldt Immediate vicinity Eureka 0 Comment
  HSC57887  Apocynum androsaemifolium Overton, Butler 1979-7-31 11438 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC58036  Apocynum androsaemifolium G. L. Clifton 1979-7-31 11874 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UCSB25082  Apocynum cannabinum Keefe, Joseph 1967-7-8 Humboldt Bank of Ell River, Miranda turnoff, 12.4 miles north of Garberville on U.S. Highway 101 170 Comment
  UC502925  Aquilegia formosa Joseph P. Tracy 1932-7-13 10504 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC48990  Aquilegia formosa var. formosa M. A. Baker 1979-5-25 757 Humboldt Comment
  RSA20852  Aquilegia formosa var. truncata Carl B. Wolf 1937-6-18 8892 Humboldt Table Bluff between Humboldt Bay and Eel River 30 Comment
  HSC57418  Arabis divaricarpa var. interposita G. L. Clifton, Griswold 1979-7-26 10181 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  UC1198309  Arabis glabra Joseph P. Tracy 1913-6-13 4106 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC420602  Aralia californica P. E. Goddard 1901-7-6 17 Humboldt Hupa Comment
  RSA171939  Aralia californica R. F. Thorne 1957-9-2 19010 -a Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  CHSC107101  Arbutus menziesii M. Mitchell 2010-4-9 4 Humboldt Willow Creek @ Highway 299 East. 207 Comment
  UC1222643  Arbutus menziesii Joseph P. Tracy 1951-5-20 19401 Humboldt near Ashfield Ridge (Kneeland Prairie); Kneeland Prairie 762 Comment
  UC582721  Arctostaphylos Joseph P. Tracy 1937-4-3 15247 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC585941  Arctostaphylos Joseph P. Tracy 1935-6-23 13991 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  JEPS42534  Arctostaphylos canescens Joseph P. Tracy 1918-5-1 4906 Humboldt hillside towards Iaqua Buttes; Northern Coast Ranges, Kneeland Prairie 762 Comment
  SD42342  Arctostaphylos canescens Carl B. Wolf 1937-9-13 9335 Humboldt North Coast Range, Horse Mountain. 1525 Comment
  SDSU1488  Arctostaphylos canescens D. F. Howe 1965-8-12 4129 Humboldt 7.9 miles south of Honeydew. 610 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
  BLMAR648  Arctostaphylos columbiana Jennifer Wheeler 2011-5-27 648 Humboldt Lacks Creek, Pine Ridge Road, spur at Stormy Saddle 1097 Comment
  CAS-BOT-BC23728  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 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-BC23761  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13134 Humboldt Vicinity of Trinidad Comment
  CAS-BOT-BC23787  Arctostaphylos columbiana Doris K. Kildale 1928-2-17 4270 Humboldt Patrick's Point Comment
  CAS-BOT-BC23795  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Berry Mt. between Trinity River and Redwood Creek Comment
  CAS-BOT-BC23819  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15075 Humboldt French Camp Ridge 1066 Comment
  JEPS38951  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12582 Humboldt summit of barren ridge 1 mi s road from Hoopa westward to Bair's; Hoopa Mountain 1219 Comment
  RSA622678  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27675 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622689  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27672 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622692  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27674 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622695  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27673 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC249506  Arctostaphylos columbiana Joseph P. Tracy 1922-4-30 6044 Humboldt ridge w Green Point; Northern Coast Ranges, Bald Mountain 609 Comment
  UC484049  Arctostaphylos columbiana Carl B. Wolf 1930-10-29 1784 Humboldt Old Coast Rd 7 mi s Honeydew P.O. 304 Comment
  UC585922  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12582 Humboldt summit of barren ridge 1 mi s road from Hoopa westward to Bair's; Hoopa Mountain 1219 Comment
  UCD50760  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1168 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  RSA12449  Arctostaphylos columbiana var. columbiana C. B. Wolf 1934-6-30 5844 Humboldt 5 1/2 mi. from Shelter Cove on rd. to Briceland. 152 Comment
  RSA70902  Arctostaphylos columbiana var. tracyi H. E. Parks 1931-3-25 0917 Humboldt Near Patrick's point. Comment
  RSA633021  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27801 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  SEINET2030098 Image available Arctostaphylos manzanita W. K. Fisher 1899-6-3 29 Humboldt Hoopa Valley Comment
  UCD52077  Arctostaphylos manzanita Joseph P. Tracy 1939-4-29 16263 Humboldt Orleans. 121 Comment
  CAS-BOT-BC24372  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-6-25 3583 a Humboldt Near Ettesburg. Comment
  HSC31439  Arctostaphylos nevadensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5557 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  CAS-BOT-BC40062  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1935-6-23 13991 Humboldt French Camp Ridge 1066 Comment
  HSC98798  Arctostaphylos nevadensis subsp. nevadensis Cara Witte 2008-6-4 684 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1232 Comment
  JEPS38935  Arctostaphylos patula Joseph P. Tracy 1935-7-14 14063 Humboldt Horse Mountain 1432 Comment
  UC585903  Arctostaphylos patula Joseph P. Tracy Jul 16 1930-Jul 19 1930 9055 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  CAS-BOT-BC46196  Arctostaphylos stanfordiana L. B. Kildale 1930-8-3 s.n. Humboldt Chaparral Mt. at Bug Creek. Comment
  CHSC591  Arctostaphylos uva-ursi 1930-3-30 Humboldt Comment
  UCD52047  Arctostaphylos uva-ursi Roman Gankin; W. R. Hildreth 1967-10-24 1147 Humboldt 1.7 miles s. of Samoa, on the Humboldt Peninsula. Humboldt County, California. Comment
  HSC76329  Arctostaphylos viscida Teresa Prendusi 1981-7-9 208 Humboldt Near Cedar Camp 1268 Comment
  CHSC79250  Arctotheca calendula G. D. Barbe; T. C. Fuller 1989-6-8 4321 Humboldt In pastures of the Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  CAS-BOT-BC526230  Arctotheca calendula Larry Pries; Charles Lawrence 1989-6-8 s.n. Humboldt Larry Pries dairy, W of Ferndale, on Centerville Beach Rd Comment
  HSC16898  Armeria maritima subsp. californica L. H. Myers 1963-5-5 2 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  HSC89433  Armeria maritima subsp. californica D. Daly 1984-6-16 30 Humboldt Trinidad Head. 61 Comment
  RSA249359  Armeria maritima subsp. californica J. D. Ackerman 1974-5-25 267 Humboldt 0.25 mi S of Lufenholtz County Beach off Scenic Dr between Trinidad and Moonstone Beach. Comment
  UC1198608  Armeria maritima subsp. californica Joseph P. Tracy 1905-4-30 2179 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  HSC76342  Arnica cernua Teresa Prendusi 1981-7-9 207 Humboldt Near Cedar Camp 1268 Comment
  UC582488  Arnica cordifolia Joseph P. Tracy 1935-7-30 14372 Humboldt top of ridge s of Red Cap Lake; Salmon Summit 2011 Comment
  HSC35606  Arnica discoidea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2017 Humboldt French Camp, Bald Hills. Comment
  HSC74699  Arnica discoidea Gail Newton 1981-7-23 2287 Humboldt Near Bug Creek Butte. 1350 Comment
  UC581753  Arnica discoidea Joseph P. Tracy 1937-7-2 15398 Humboldt on ridge 2 mi e of, Grove's Prairie; Trinity Summit 1524 Comment
  HSC58598  Arnica latifolia G. L. Clifton, Griswold 1979-7-25 10755 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  SEINET11837693  Arnica latifolia J. P. Tracy 1942-1 17236 Humboldt Trinity Summit, near Box Camp 1524 Comment
  HSC12593  Artemisia douglasiana C. Kline 1970-11-15 72 Humboldt Clam Beach Lagoon Comment
  UC1223091  Artemisia douglasiana Joseph P. Tracy 18501 Humboldt River bar 5 mi e Carlotta 30 Comment
  BLMAR66  Artemisia pycnocephala Jennifer Anthony-Wheeler 1994-5-18 66 Humboldt Samoa dunes, growing outside wetland boundaries in Samoa Rec. area 6 Comment
  UCD112908  Aruncus dioicus var. acuminatus Joseph P. Tracy 1932-7-18 10708 Humboldt Klamath Mountains. Trinity Summit. Head of Brett Hole. 1828 Comment
  JEPS45625  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  UC154230  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC303164  Aruncus dioicus var. pubescens Joseph P. Tracy 1923-9-16 6553 Humboldt near South Fork (Trinity River Valley); Northern Coast Ranges 182 Comment
  POM118567  Asarum caudatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC672846  Asarum caudatum Joseph P. Tracy 1935-7-23 14160 Humboldt Trinity Summit, lower end of Brett Hole 1584 Comment
  UC1198116  Asarum caudatum Joseph P. Tracy 1913-6-25 4343 Humboldt Dinsmore's Ranch; in valley of Van Duzen River opposite Buck Mountain 762 Comment
  HSC99398  Asarum hartwegii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 47 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC249520  Asclepias speciosa Joseph P. Tracy 1922-9-3 6114 Humboldt Klamath River at Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  HSC102064  Aspidotis densa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 966 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC54555  Aspidotis densa Overton, Butler 1979-7-24 9561 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  UC197913  Aspidotis densa Joseph P. Tracy 1912-7-26 3849 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC53317  Aspidotis densa Joseph Burtt Davy 1899-6-19 5631 Humboldt Hoopa Mt Comment
  UCR51819  Aster occidentalis var. occidentalis Thomas W. Nelson, J. Nelson 1977-9-3 3726 Humboldt Along creek draining north from pond above Alder Spring 1445 Comment
  RSA167196  Aster oregonensis Joseph P. Tracy 1950-9-22 19378 Humboldt Roadside, about 3 miles southwest of Orleans Comment
  HSC96346  Astragalus agnicidus Gordon Leppig 2001-6-25 2107 Humboldt PALCO land, edge of logging road. 700 Comment
  HSC74723  Astragalus purshii Gail Newton 1981-7-23 2267 Humboldt Near Bug Creek Butte 1494 Comment
  UC1199092  Astragalus pycnostachyus var. pycnostachyus Joseph P. Tracy 1930-7-21 8891 Humboldt 3 mi s of point Cape Mendocino (southwestern slopes, fronting the ocean); Northern Coast Ranges, s Cape Mendocino 3 Comment
  UC201383  Astragalus pycnostachyus var. pycnostachyus Joseph P. Tracy 1918-7-1 4977 Humboldt 3 mi s of point Cape Mendocino (southwestern slopes, in sandy flats near the shore, fronting the ocean); Northern Coast Ranges, s Cape Mendocino 3 Comment
  CAS-BOT-BC193131  Astragalus rattanii var. rattanii Volney Rattan s.n. Humboldt Bug Creek Comment
  UC162811  Astragalus rattanii var. rattanii Joseph P. Tracy 1903-5-23 1903 Humboldt along sand bars of Eel River at Alder Point; Northern Coast Ranges, Eel River at Alder Point 91 Comment
  UC33516  Astragalus rattanii var. rattanii Chesnut and Drew July 1888 Humboldt Mad River Comment
  UC160962  Astragalus umbraticus Mrs. M. H. Manning 1900-7-1 181 Humboldt near Hupa (Hoopa) (Bald Hills, Hupa Valley); near Hupa (Hoopa), Bald Hills, Hupa Valley Comment
  HSC75271  Asyneuma prenanthoides J. O. Sawyer, D. A. Thornburgh 1980-9-9 4085 Humboldt Mill Creek Lake and surrounding meadows Comment
  OBI6248  Athyrium filix-femina Robert J. Rodin 1969-8-16 8369 Humboldt Near Carlotta, near Van Duzan River Comment
  JEPS341  Athyrium filix-femina var. cyclosorum Wm. K. D. Reynolds August, 1933 1 Humboldt Briceland Comment
  UCSB30585  Athyrium filix-femina var. cyclosorum Edwards, David 1974-9-2 Humboldt Ca. 10 ft. E. of dirt road, ca. 100 yds. from its jct. with Fickle hill Rd., Arcata 3 Comment
  UC1198292  Athysanus pusillus Joseph P. Tracy 1922-4-30 6016 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC97550  Atriplex prostrata Ivy Watson 2008-10-11 56 Humboldt Mad river, near river mouth, S bank 6 Comment
  UC161058  Atriplex triangularis Joseph P. Tracy 1911-10-22 3552 Humboldt Salt marsh near Eureka (region about Humboldt Bay); Northern Coast Region, , nr Eureka 0 Comment
  UC181262  Avena barbata Joseph P. Tracy 1913-6-13 4114 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  BLMAR35  Avena barbata Brad Barr 1982-6-21 35 Humboldt King range, elk enclosure Comment
  HSC9024  Avena fatua W. F. Nickel 1965-5-16 Humboldt N Arcata next to the Humboldt Motor Hotel. Comment
  SEINET4175779  Avena fatua Joseph P. Tracy 1926-5-9 7457 Humboldt Hills near Bridgeville 610 Comment
  POM289915  Baccharis douglasii Lyman Benson 1929-7-12 1750 Humboldt Weott Ranger Station; S Fork Eel River. Comment
  CDA10384  Baccharis pilularis C. R. Tower Aug 1951 Humboldt General along Redwood Highway, Coast country. 0 Comment
  RSA14722  Baccharis pilularis C. B. Wolf 1927-8-29 1219 Humboldt Devils' Gate, S of Cape Mendocino Comment
  HSC47014  Baccharis pilularis subsp. consanguinea Sheila Logan 1978-11-23 223 Humboldt Manila Sand Dunes, Manila; 1/4 mile W of junction with Samoa Blvd. and Redwood Gun club 6 Comment
  SEINET3132551  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-11-20 1409 Humboldt Arcata; at the edge of the vernal pond community; hollow 10, W.M. Lanphere farm; Samoa Peninsula. Comment
  HSC5112  Baccharis pilularis subsp. pilularis Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  SEINET11861883  Balsamorhiza deltoidea J. P. Tracy 1950-6-15 18792 Humboldt Mail Ridge, N of Harris 7 mi Comment
  HSC41913  Barbarea orthoceras M. A. Baker 1977-4-23 174 .5 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC28271  Barbarea verna Thomas W. Nelson 1971-4-12 372 Humboldt Beside Hwy. 101 at the Hookton Rd. junction Comment
  HSC104290  Bellardia trixago Samantha E. Andres 2016-6-1 9 Humboldt Samoa Peninsula, North Jetty, along the roadside 4 Comment
  HSC29726  Bellardia trixago J. D. Ackerman, A. M. Montalvo 1973-5-6 74 Humboldt Avenue of the Giants, Redcrest Comment
  UC127824  Bellis perennis Harley P. Chandler May 1901 1128 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  CAS-BOT-BC106400  Bellis perennis R. Kent Beattie 1946-9-11 11875 Humboldt Redwood forest near Van Dusen River, one mile northwest of STrongs Station on Route 36 Comment
  HSC3347  Berberis nervosa C. B. Wolf 1927-8-28 1179 Humboldt 13 mi. above Blue Lake on Lord Ellis Rd. Comment
  HSC81928  Berberis nervosa Thomas W. Nelson, Jane Nelson 1979-7-3 4951 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC1198382  Berberis nervosa Joseph P. Tracy 1924-4-27 6642 Humboldt along hwy near Ruby Creek (Willow Creek) 609 Comment
  JEPS58656  Betula occidentalis Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  HSC45419  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1977-7-4 3595 Humboldt Margin of pond above Alder Springs 1585 Comment
  UC399399  Blechnum spicant Chesnut and Drew 1888-7-8 26 Humboldt near Arcata Comment
  UCSB8245  Blechnum spicant Robbins, G. 1936-8-1 Humboldt Near Strong's Station. Comment
  HSC48730  Boschniakia strobilacea J. Pageau, Jimerson, E. Toth 1979-6-13 522 Humboldt Creek timber sale unit 7 549 Comment
  HSC54891  Botrychium multifidum G. L. Clifton, Griswold 1979-7-25 10930 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC98127  Botrychium multifidum Cara Witte 2007-6-28 381 Humboldt FS Road 5N10. Approximately 0.5 mi E of intersection with National Forest 1. 1426 Comment
  HSC56319  Boykinia major Overton, Butler 1979-8-2 12658 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA246661  Boykinia occidentalis R. F. Thorne, P. Everett 1965-8-5 35127 -a Humboldt Wailaki Recreation site. 518 Comment
  UC183558  Boykinia occidentalis Joseph P. Tracy 1913-7-13 4360 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point (on coast terraces) 30 Comment
  HSC79476  Boykinia occidentalis Kenneth Clark 1980-3-23 530 Humboldt Along S Fork of Dead Man's Gulch 61 Comment
  RSA466750  Boykinia occidentalis Thekla Mohr s.n. Humboldt Eel River. Humboldt and Mendocino Cos. Comment
  HSC64122  Brassica rapa J. P. Smith 1973-5-26 6790 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  CAS-BOT-BC106286  Brickellia californica L. R. Abrams 1927-8-27 12049 Humboldt Rocky river bottom, Eel River, Richardson Grove Comment
  HSC26817  Briza maxima Glenn I. Wilcox 1973-5-26 Humboldt W shore of Freshwater Lagoon Comment
  UCR84719  Briza maxima Kathy Harper 1992-5-14 s.n. Humboldt North Coast Range, State Hwy 36 just north of the south fork of the Van Duzen River 762 Comment
  HSC22743  Briza minor Dennis Anderson 1970-5-21 5082 Humboldt Scotia Bluffs Comment
  HSC9102  Briza minor J. E. Lankila 1962-5-6 9 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  SEINET4183122 Image available Briza minor Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15063 Humboldt Meadow, Coolidge, Redwood Park. Comment
  UC1103342  Briza minor Joseph P. Tracy 1919-5-31 5141 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  HSC56466  Brodiaea elegans subsp. elegans Griswold, Butler 1979-7-12 7273 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC1197734  Brodiaea elegans subsp. elegans Joseph P. Tracy 1930-7-23 9137 Humboldt Cold Springs Horse Mountain 1432 Comment
  HSC90775  Brodiaea terrestris subsp. terrestris Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  CAS-BOT-BC149569  Bromus carinatus var. carinatus Joseph P. Tracy 1935-6-23 13982 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  UC187098  Bromus carinatus var. carinatus Joseph P. Tracy 1900-6-5 850 Humboldt immediate vicinity of Eureka 0 Comment
  UCD58210  Bromus carinatus var. carinatus Joseph P. Tracy 1920-5-31 5332 Humboldt Wolverton Gulch near Hydesville. 91 Comment
  UCD59215  Bromus carinatus var. marginatus R. Tofsrud 1948-9-1 s.n. Humboldt Road between Horse Mt. and Grouse Mt. 1371 Comment
  UCD60204  Bromus catharticus var. elatus A. H. Murphy 1947-8-19 s.n. Humboldt Fairground's exper. area. Fortuna. Comment
  HSC9174  Bromus hordeaceus G. B. Kendall 1965-5-8 44 Humboldt Trinidad State Park Beach. Comment
  POM161048  Bromus hordeaceus Joseph P. Tracy 1919-5-25 5138 Humboldt Eureka. 0 Comment
  HSC2600  Bromus inermis William J. Ferlatte, B. D. Rogers 1966-8-15 3123 Humboldt 6 mi. E of Korbel; Cutoff Red wood 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
  POM160825B  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Stitz Creek. Along Eel River South Fork to Scotia. 61 Comment
  CAS-BOT-BC161533  Bromus tectorum Joseph P. Tracy 1925-5-30 7039 Humboldt Northern Coast Ranges. Larrabee Valley. 701 Comment
  UC552677  Bromus tectorum Joseph P. Tracy 1935-6-23 13981 Humboldt Northern Coast Ranges, French Camp Ridge French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  HSC39171  Bromus vulgaris D. E. Anderson, J. P. Smith 1971-6-28 - 1231 Humboldt Along Mad River, 2 mi. S of Blue Lake Comment
  JEPS72925  Bromus vulgaris Lincoln Constance 1934-6-7 830 Humboldt Bull Creek Region, South Fork Eel River, Johnson Prairie Johnson Prairie; Bull Creek Region, South Fork Eel River, Johnson Prairie Comment
  UC1145161  Bromus vulgaris Joseph P. Tracy 1937-7-25 15540 Humboldt Trintiy Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trintiy Summit, Little Hors-Linto Creek 1371 Comment
  UC34135  Bromus vulgaris Joseph Burtt Davy 1899-6-10 5406 Humboldt Hubbard's Station Comment
  HSC95586  Cakile edentula Andrea Pickart 2002-7-8 160 Humboldt N Spit Dunes, Mad River Co. Park, W of parking area 0 Comment
  CHSC10120  Cakile maritima J. W. Johnson 1962-4-29 1299 Humboldt Arcata. W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC103983  Cakile maritima E. R. Fyer 2015-4-26 23 Humboldt Along New Navy Base Road 9 Comment
  UC526774  Calamagrostis breweri Joseph P. Tracy 1932-7-14 10553 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC74068  Calamagrostis foliosa Joyce Walker 1980-5-7 Humboldt Four Mile Creek Comment
  SEINET10901893 Image available Calamagrostis foliosa Henry N. Bolander 1866-1 Bolander 6470 Humboldt Mattole district Comment
  HSC9413  Calamagrostis nutkaensis DWC 1956-5-29 14 Humboldt Capetown, Mattole soil Comment
  UCD57741  Calamagrostis rubescens Joseph P. Tracy 1938-7-17 16082 Humboldt Garberville. 152 Comment
  UC144080  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1909-5-23 2974 Humboldt 4 mi se Eureka (at Connick Claim) 0 Comment
  UCD149967  Callitriche palustris William Anderson; H. Mc. 1964-8-4 s.n. Humboldt McKinleyville, Shore Ares. Comment
  CAS-BOT-BC487804  Calochortus coeruleus H. C. Cantelow 1939-6-5 3947 Humboldt Dinsmore Meadow Comment
  UC1197673  Calochortus tolmiei Joseph P. Tracy 1921-4-24 5466 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 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
  CDA10558  Calycadenia ciliosa E. C. Whitney 1960-9-1 Humboldt 1/2 mile north of Pearch Creek on State Highway 96. 0 Comment
  UC205227  Calycadenia fremontii Joseph P. Tracy 1919-9-13 5188 Humboldt near Mouth of Willow Creek; Valley of Trinity River, Northern Coast Ranges 152 Comment
  RSA33968  Calycadenia truncata subsp. scabrella Doris K. Kildale 1927-7-3 3656 Humboldt Willow Creek Flat. Comment
  HSC48948  Calypso bulbosa M. A. Baker 1979-5-17 732 Humboldt On FS 1 along Wilson Creek, just E of FS 15N01 Comment
  HSC17640  Calyptridium monospermum Doris K. Kildale 1925-8-16 1227 Humboldt Trinity Summit 1829 Comment
  HSC74405  Calyptridium umbellatum Gail Newton 1980-8-10 2017 Humboldt Near Blake Mtn. 1798 Comment
  SEINET12343669  Calystegia occidentalis L. K. Henry 1971-7-6 Humboldt Along Rt 36, 2 mi E of Dinsmore, in Six Rivers National Forest Comment
  HSC98837  Calystegia occidentalis subsp. occidentalis Cara Witte 2008-7-30 967 Humboldt Forest Service Road 4N32. 1/2 mile north of intersection with Forest Service Road 4N32B. 1417 Comment
  UC582720  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1937-7-24 15531 Humboldt head of Little Hors-Linto Creek , head Little Hors-Linto Creek (Trinity Summit) 1371 Comment
  CHSC23189  Calystegia soldanella Robert F. Thorne; P. Everett 1965-8-7 35217 a Humboldt Samoa Peninsula. 3 Comment
  HSC59460  Calystegia soldanella M. A. Ericksen 1979-5-18 297 Humboldt Samoa Dunes, .5 mi. S of Simpson Timber Company plant entrance Comment
  RSA246921  Calystegia soldanella R. F. Thorne, P. C. Everett, K. Thorne 1965-8-5 35151 Humboldt Samoa Dunes. 3 Comment
  RSA296783  Calystegia soldanella Clark L. Miller 1979-5-24 1 -149 Humboldt Sandy Dunes off Somoa Blvd. approx. a half mile from Coast Guard Station Gate. Comment
  HSC12706  Camissonia cheiranthifolia Jana Kattenhorn 1970-10-7 10 Humboldt McKinleyville Dunes Comment
  HSC16539  Camissonia cheiranthifolia Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  JEPS11848  Campanula prenanthoides Joseph P. Tracy 1934-8-23 13600 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  UC602534  Campanula prenanthoides Joseph P. Tracy 1934-8-23 13600 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  SEINET10463332  Campanula prenanthoides Alma L. Moldenke, Harold N. Moldenke 1975-8-21 Moldenke 20338 Humboldt RIO DELL, IN DEEP FOREST Comment
  SEINET10873263  Campanula prenanthoides Tracy 1927-8-14 TRACY 8330 Humboldt BIG LAGOON, DAMP BANKS IN FERN PRAIRIES 400 Comment
  UC416597  Campanula prenanthoides Harley P. Chandler 1901-6-14 1476 Humboldt Orleans to Somes Bar; Klamath River 304 Comment
  SEINET10463418  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6946 Humboldt NR SNOW CAMP MTN, IAQUA BUTTES QUAD. NR WILLOW CR. EVERGREEN CONIFER FOREST, MEADOW, 4331 Comment
  JEPS11738  Campanula scouleri W. L. Jepson 1902-7-30 2128 Humboldt Three Creeks to Redwood Creek 914 Comment
  SEINET10463479  Campanula scouleri Manning MANNING [ 305 ] Humboldt Near Hupa (Bald Hills). 457 Comment
  SEINET10463748  Campanula scouleri Rattan 1883-6-30 RATTAN s.n. Humboldt Between Redwood Creek and Mad River Comment
  HSC6629  Capsella bursa-pastoris S. J. Roberts 1965-4-8 11 Humboldt 0.5 mi. S of junction of Alliance Rd. and Hwy. 101 Comment
  UC203897  Cardamine breweri Joseph P. Tracy 1918-4-28 4891 Humboldt Eureka Northern Coast Ranges, Eureka 0 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
  HSC48991  Cardamine californica M. A. Baker 1979-5-23 758 Humboldt Comment
  UCD114185  Cardamine californica Victor Duran 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville. Comment
  RSA0034559  Cardamine californica var. integrifolia H. E. Parks, Joseph P. Tracy 1931-3-26 916 Humboldt Lower Van Duzen River. 61 Comment
  HSC64793  Cardamine oligosperma J. P. Smith 1971-10-9 5015 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC43205  Cardamine oligosperma R. Sutherland 1976-8-13 29 .13876 Humboldt Mouth of Redwood Creek at S Fork of Eel River 87 Comment
  HSC91607  Cardionema ramosissimum E. Mackey 1987-9-5 Humboldt Patricks Point State Park; in dune area Comment
  CAS-BOT-BC19216  Carex barbarae Henry M. Pollard 1948-7-29 s.n. Humboldt Near Woodson Mine - Near Orleans. Comment
  UC1103627  Carex barbarae Joseph P. Tracy 1928-6-17 8452 Humboldt Trinity River Valley at Willow Creek 152 Comment
  RSA246879  Carex bolanderi Robert F. Thorne, Percy C. Everett 1965-8-5 35136 a Humboldt Mt. Chamisal: below summit. 747 Comment
  UC249760  Carex bolanderi Joseph P. Tracy 1923-6-20 6332 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC19614  Carex brainerdii Joseph Prince Tracy 1937-7-24 15525 Humboldt Trinity Summit. Head of Devil's Hole. 1767 Comment
  CAS-BOT-BC110192  Carex buxbaumii Joseph P. Tracy 1927-4-23 7916 Humboldt Big Lagoon. 30 Comment
  HSC62882  Carex buxbaumii J. M. DiTomaso 1979-5-20 1049 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  UC562722  Carex concinnoides Joseph P. Tracy 1927-6-19 8190 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 60 Comment
  POM161061  Carex concinnoides Joseph P. Tracy 1926-6-6 7567 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  UC1115813  Carex densa Joseph P. Tracy 1938-6-9 15877 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC34976  Carex densa Joseph Prince Tracy 1936-6-3 14848 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC562425  Carex deweyana subsp. leptopoda Joseph P. Tracy 1936-6-9 14902 Humboldt 4 mi SE of Petrolia; Mattole Valley 60 Comment
  CHSC85975  Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  SEINET7483969 Image available Carex exsiccata Joseph P. Tracy 1934-1 13502 Humboldt Along coast in front of South End of Stone Lagoon. 3 Comment
  UC1103061  Carex globosa Joseph P. Tracy 1939-4-25 16224 Humboldt mouth of creek Bull Creek 60 Comment
  POM292660  Carex gynodynama Lyman Benson 1929-7-16 1830 Humboldt Weott Ranger Station. Comment
  SEINET7561248 Image available Carex harfordii David Castaner 1989-5-28 8067 Humboldt Patrick Point SP Area, Redwood Forest. Comment
  UC1103593  Carex hendersonii Joseph P. Tracy 1937-6-20 15348 Humboldt 10 mi upstream mouth of Bear River; Bear River 152 Comment
  HSC48358  Carex hendersonii D. H. Norris May 1970 12460 Humboldt Fringes of Freshwater Lagoon, S of Orick Comment
  RSA362584  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  HSC102204  Carex hoodii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1119 Humboldt Patterson Meadows 1555 Comment
  UC585636  Carex hoodii Joseph P. Tracy 1937-6-27 15377 Humboldt mountain slopes w mouth of South Fork of Trinity River; 4-mile Creek 670 Comment
  UC194814  Carex laeviculmis Joseph P. Tracy 1914-7-4 4524 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UCR52391  Carex laeviculmis L. P. Janeway 1983-5-15 296 Humboldt North Coast, Riparian bend of Mad River on south side, near the Fish Hatchery Road & across from Blue Lake 24 Comment
  RSA246648  Carex lenticularis var. limnophila Robert F. Thorne 1965-9-19 35461 Humboldt Freshwater Lagoon S of Orick. 3 Comment
  UC562633  Carex leporina Joseph P. Tracy 1936-6-28 15014 Humboldt near Murphy Meadow (Bald Mountain); Bald Mountain 1066 Comment
  HSC97361  Carex leptalea Juha Pykala, D. H. Norris 1987-6-24 1895 Humboldt Big Lagoon. 0 Comment
  SEINET10817483  Carex leptopoda David Castaner 1984-5-29 Castaner 8069 Humboldt Entrance Road to Cal-Barrel area. Comment
  CAS-BOT-BC31664  Carex lyngbyei Joseph Prince Tracy 1938-7-15 16069 Humboldt In salt marsh and edges of sloughs, Mouth of Eel River. 3 Comment
  CAS-BOT-BC31823  Carex mendocinensis R. Tallent 1935-7-14 14086 Humboldt Six Rivers National Forest. Roadside of Horse Mtn. 1419 Comment
  HSC102157  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1065 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC32131  Carex multicaulis Joseph Prince Tracy 1927-3-27 7862 Humboldt Trinity River Valley, near the South Fork. 182 Comment
  HSC102119  Carex multicostata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1023 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UCR52378  Carex nudata L. P. Janeway 1984-4-28 751 Humboldt Garberville Q., West side of the South Fork of Eel River at Butte Creek, across the river from Miranda. 75 Comment
  HSC7187  Carex obnupta D. R. Junell 1965-5-2 40 Humboldt 1 mi. S of Fairhaven on Samoa Peninsula Comment
  HSC86478  Carex obnupta Rudolf W. Becking 1988-4-9 Humboldt South Spit, opposite Fields Landing Comment
  UC8071  Carex obnupta Harley P. Chandler May, 1901 1122 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  CDA33127  Carex obnupta E. C. Whitney 1961-4-6 Humboldt Stone Lagoon; in drainage basin. 0 Comment
  HSC45277  Carex obnupta Brad Klipfel 1973-4-27 315 Humboldt SW side of Big Lagoon Comment
  CAS-BOT-BC119269  Carex ovalis Alice Eastwood; John Thomas Howell 1937-6-23 4830 Humboldt Near Yager Comment
  CHSC107131  Carex pachycarpa R. E. Brainerd 2009-7-23 1569 Humboldt Coast Range, South Fork Mountain; headwaters of Kerlin Creek; 19.6 air miles west-northwest of Hayfork; Forest Service Road 3N32. UTM zone 10 453507E 4494866 1716 Comment
  JEPS79851  Carex pachycarpa Joseph P. Tracy 1932-7-11 10411 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  UC1152077  Carex pachycarpa Joseph P. Tracy 1950-7-25 19064 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC119225  Carex pachystachya Joseph Prince Tracy 1935-6-23 13984 Humboldt French Camp Ridge. 1066 Comment
  CAS-BOT-BC119228  Carex pachystachya Joseph Prince Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  SEINET7570348 Image available Carex pachystachya Ray Tallent 1987-8-11 896 Humboldt Six Rivers National Forest, roadside S of Horse Mtn. 1390 Comment
  UC1115800  Carex pachystachya Joseph P. Tracy 1939-6-9 16324 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC562654  Carex pachystachya Joseph P. Tracy 1930-7-10 8868 Humboldt Brannan Mountain Northern Coast Ranges 1219 Comment
  HSC37967  Carex pansa P. Sorensen 1976-6-16 Humboldt Humboldt Bay, Woodley Island Comment
  HSC60292  Carex pansa Phyllis Krieg 1979-5-2 Humboldt Coast Guard sand dunes, Samoa 0 Comment
  HSC75279  Carex rostrata J. O. Sawyer, D. A. Thornburgh 1980-9-9 4076 Humboldt Mill Creek Lake and surrounding meadows Comment
  CHSC107144  Carex scopulorum var. bracteosa R. E. Brainerd 2009-7-23 1566 Humboldt North Coast Range, South Fork Mountain; 19.6 miles west-northwest of Hayfork. UTM Zone 10 453477E 4494945N. 1661 Comment
  HSC102222  Carex scopulorum var. bracteosa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1138 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC116941  Carex subbracteata Harley Pierce Chandler 1901-5-1 1115 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC116910  Carex subbracteata var. subbracteata Joseph Prince Tracy 1936-6-9 14904 Humboldt Upper Mattole. 121 Comment
  HSC44031  Carex subfusca Thomas W. Nelson, Jane P. Nelson 1977-9-3 3728 Humboldt Along creek draining N end of pond above Alder Springs 1137 Comment
  SEINET10880003  Carex subfusca David Castaner 1989-5-28 Castaner 8067 Humboldt Patrick Point SP area. Redwood forest. Comment
  CAS-BOT-BC115570  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4848 Humboldt Kneeland Comment
  CAS-BOT-BC115535  Carex unilateralis Joseph Prince Tracy 1937-8-7 15618 Humboldt Bald Mountain. Wet place on Murphy Ridge. 914 Comment
  CAS-BOT-BC115538  Carex unilateralis Joseph Prince Tracy 1927-7-17 8276 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  SEINET4170217  Carex unilateralis Unknown 1946-5-30 17539 Humboldt Near Bridgeville 457 Comment
  CAS-BOT-BC248911  Castilleja M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  UC1196741  Castilleja affinis subsp. affinis Joseph P. Tracy 1942-7-1 17366 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Van Duzen River 762 Comment
  JEPS103931  Castilleja affinis subsp. litoralis T. I. and F. M. Chuang 1991-7-8 7874 Humboldt Ca 2 mi SW of Orick. Comment
  JEPS55949  Castilleja affinis subsp. litoralis T. I. Chuang and L. R. Heckard 1968-7-3 6456 Humboldt Table Bluff Comment
  UC1541375  Castilleja affinis subsp. litoralis Harold E. Parks 1934-5-1 4828 Humboldt Trinidad; Spruce Cove Comment
  SBBG7047  Castilleja ambigua subsp. ambigua H. and M. Dearing 1939-5-25 3430 Humboldt beach N of Loleta Comment
  CAS-BOT-BC249254  Castilleja ambigua subsp. humboldtiensis Doris K. Kildale 1928-5-25 6041 Humboldt Eureka - end of third street near drawbridge 15 Comment
  SJSU8462  Castilleja ambigua subsp. humboldtiensis H. T. Harvey 1977-7-6 609 Humboldt South Spit, Humboldt Bay Comment
  HSC30760  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, James Nelson 1973-5-28 922 Humboldt N of Black Lassic along U.S.F.S. Rd. 1S07 Comment
  HSC63879  Castilleja arachnoidea M. A. Baker 1979-6-27 928 Humboldt E of Oregon Creek Comment
  UC582569  Castilleja attenuata Joseph P. Tracy 1932-5-1 9887 Humboldt vicinity Garberville 121 Comment
  HSC78976  Castilleja exserta subsp. latifolia L. P. Janeway, Paul Wilson 1984-5-25 825 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  HSC20841  Castilleja exserta subsp. latifolia Rollin Sparrowe 1962-5-7 20 Humboldt Comment
  HSC56082  Castilleja miniata G. L. Clifton, Griswold 1979-7-31 11766 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC56208  Castilleja miniata G. L. Clifton, Griswold 1979-8-2 12210 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC56431  Castilleja miniata Griswold, Butler 1979-7-12 7139 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC73640  Castilleja pruinosa M. A. Baker 1980-7-23 3169 Humboldt Near Orleans Mtn. 1859 Comment
  HSC98020  Castilleja pruinosa Cara Witte 2007-7-11 513 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  RSA254787  Castilleja pruinosa Thomas W. Nelson 1974-5-30 1349 Humboldt Growing along the Hoopa-Redwood Valley Road. Comment
  UC1222828  Castilleja pruinosa Joseph P. Tracy 1950-7-2 18978 Humboldt below Grizzly Camp (at crossing of Little Hors Linto Creek); Little Hors Linto Creek Comment
  UC1502123  Ceanothus R. Sutherland 1975-7-5 6 .5.7 75 Humboldt Garberville Quad. 243 Comment
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May 26 2014
  SEINET200665  Ceanothus cordulatus J. P. Tracy 1935-7-14 14092 Humboldt Grouse Mountain ridge near 'Clear Lake 1524 Comment
  UC502951  Ceanothus cordulatus Joseph P. Tracy Jul 16 1930-Jul 19 1930 8952 Humboldt near Blake Lookout (South Fork Mt.); Northern Coast Ranges Comment
  HSC74353  Ceanothus cuneatus Gail Newton 1980-6-17 208 Humboldt Near Onion Mtn. 1341 Comment
  UC1502134  Ceanothus foliosus R. Sutherland 1975-5-28 10 Humboldt near Tolken Camp Pt. Delgada quad. 502 Comment
  HSC37596  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-28 15 .28575 Humboldt 503 Comment
  UC203569  Ceanothus incanus Joseph P. Tracy 1918-7-5 5032 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UCD112172  Ceanothus incanus J. E. Street 1950-6-24 s.n. Humboldt Honeydew. Comment
  HSC37616  Ceanothus integerrimus R. Sutherland 1975-5-29 0 .29575 Humboldt Along rd. at Van Anken Creek 299 Comment
  HSC98205  Ceanothus integerrimus D. E. Anderson 1965-5-8 3657 Humboldt W end of bridge over Trinity River, 0.5 mile S of Willow Creek. Comment
  SEINET3836772 Image available Ceanothus integerrimus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15325 Humboldt Ten miles South of Squaw Creek Comment
  UC275287  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1924-5-11 6675 Humboldt Bull Creek Northern Coast Ranges 121 Comment
  UCSB12871  Ceanothus oliganthus var. sorediatus Zinke, P. 1950-10-4 Humboldt 2 miles southeast of Honeydew 182 Comment
  CAS-BOT-BC53061  Ceanothus pumilus Mrs. H. C. Cantelow 1936-5-19 s.n. Humboldt 11 miles east of Crescent City Comment
  RSA46916  Ceanothus pumilus Doris K. Kildale 1926-4-25 1811 Humboldt Hoopa Mt. 793 Comment
  HSC43193  Ceanothus thyrsiflorus R. Sutherland 1975-5-28 0 .28575 Humboldt N Fork of Horse Mtn. Creek 427 Comment
  UC1071395  Ceanothus thyrsiflorus G. T. Nordstrom Jul 1934 1426 Humboldt 1 mi nne Orick; Orick Quad. 3 Comment
  HSC18355  Ceanothus velutinus Francis Winter 1960-4-24 Humboldt 2 mi. SE of Schoolhouse Peak 838 Comment
  SEINET12211103  Ceanothus velutinus F. H. Utech 1986-1 86 -383 Humboldt 0.5 mi NNW on Kings Peak Road (Humboldt County C4A) from junction with Shelter Cove Road 600 Comment
  RSA46890  Ceanothus velutinus var. laevigatus Doris K. Kildale 1926-4-25 1812 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC52409  Ceanothus velutinus var. velutinus C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny Comment
  UC582508  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Comment
  HSC98771  Centaurea diffusa Cara Witte 2007-8-9 634 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1584 Comment
  UC166091  Centaurea melitensis Joseph P. Tracy 1908-6 2887 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA50142  Centaurium muehlenbergii E. K. Balls 1949-7-11 13970 Humboldt Nine miles from Bluff Creek, on Highway 96 on way to Willow Creek. 110 Comment
  JEPS38151  Centromadia pungens subsp. pungens W. L. Jepson 1932-8-8 16486 a Humboldt Canoe Creek Grasshopper Peak, Canoe Creek 1066 Comment
  HSC103128  Cephalanthera austiniae M. Mesler 2009-7-31 812 Humboldt South Fork Mtn. FS 1, 11.8 miles north of intersection with 4N12, just north of mile marker 34. 1486 Comment
  HSC72635  Cephalanthera austiniae J. P. Smith 1977-7-3 9248 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  HSC63841  Cephalanthera austiniae M. A. Baker 1979-6-29 954 Humboldt 900 Comment
  UC1196468  Cephalanthera austiniae Joseph P. Tracy 1926-6-6 7581 Humboldt near summit on rd. w. from Hoopa to Bair's (Hoopa Mt.); Northern Coast Ranges, Hoopa Mt. 1066 Comment
  HSC98809  Cerastium fontanum subsp. vulgare Cara Witte 2008-8-5 986 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  HSC79373  Cerastium glomeratum Kenneth Clark 1980-3-27 552 Humboldt Above Dead Man's Gulch 183 Comment
  HSC4101  Cerastium glomeratum Francis Winter 1960-4-24 Humboldt 1 mi. S of Redwood Creek Ranch 396 Comment
  POM162070  Cercis occidentalis Joseph P. Tracy 1921-9-4 5950 Humboldt Trinity River Valley, near Willow Creek. Comment
  RSA46727  Cercis occidentalis Doris K. Kildale 1938-1 15367 Humboldt Hoopa trip. Comment
  UC34637  Chaenactis glabriuscula var. heterocarpha Chesnut and Drew 1888-7-23 Humboldt Comment
  HSC99051  Chamaecyparis lawsoniana Cara Witte 2008-6-27 772 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1365 Comment
  SEINET5334897  Chamaecyparis lawsoniana W. D. Billings 1940-6-25 1350 Humboldt Cedar Creek, 35 miles east of Arcata Comment
  UC1198973  Chamaesyce serpyllifolia Joseph P. Tracy 1920-8-15 5382 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  UC198574  Chamaesyce serpyllifolia Joseph P. Tracy 1916-9-5 4769 Humboldt 4 mi above Eel River (South Fork); Northern Coast Ranges 60 Comment
  CAS-BOT-BC166040  Chamerion angustifolium subsp. circumvagum Peter H. Raven; R. Snow 1958-7-21 13651 Humboldt 2.9 miles south of Ferndale on road to Cape Mendocino Comment
  UC1197014  Chamerion angustifolium subsp. circumvagum Joseph P. Tracy 1946-7-28 17625 Humboldt head of Willow Creek Willow Creek Canyon (along Trinity Hwy) 762 Comment
  CAS-BOT-BC68266  Cheilanthes gracillima Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC32344  Cheilanthes gracillima D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5636 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC55159  Cheilanthes gracillima Gilbert Muth 1979-8-1 12120 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC74806  Cheilanthes gracillima Gail Newton 1980-7-23 1717 Humboldt Near Packsaddle Ridge 1463 Comment
  UC673035  Chenopodium macrospermum var. halophilum Harold E. Parks and Joseph P. Tracy 1934-10-13 11151 Humboldt Big Lagoon; on shore 3 Comment
  BLMAR166  Chimaphila menziesii Donald Hazlett 1994-6-7 166 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC55230  Chimaphila menziesii G. L. Clifton, Griswold 1979-8-2 12431 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC451495  Chimaphila umbellata M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N of Garberville Comment
  CAS-BOT-BC451498  Chimaphila umbellata L. B. Kildale 1930-9-9 10403 Humboldt Bald Mountain 914 Comment
  SD42334  Chimaphila umbellata Carl B. Wolf 1937-8-12 9209 Humboldt North Coast Range, South Fork Mt., 6/10 mi. So. of Blake Lookout 1676 Comment
  CAS-BOT-BC36478  Chrysolepis chrysophylla Doris Kildale Gillespie 1931-6-7 10592 Humboldt South Fork Mt. Blake lookout 1726 Comment
  HSC31653  Chrysolepis chrysophylla Timothy B. Devine 1974-5-4 319 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  SD42299  Chrysolepis sempervirens Carl B. Wolf 1937-9-13 3089 Humboldt North Coast Range, Summit of Grouse Mountain. 1645 Comment
  RSA170226  Chrysosplenium glechomifolium Joseph P. Tracy 1918-4-28 4888 Humboldt At Eureka 0 Comment
  UC1197339  Cicuta douglasii Joseph P. Tracy 1926-10-24 7822 Humboldt near High Prairie (Northern Coast Ranges, Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  SJSU8454  Cirsium arvense H. T. Harvey 1977-7-7 622 Humboldt delta lands of Eel River c. 4 mi NW of Ferndale Comment
  SD113204  Cirsium arvense Darley F. Howe 1959-8-4 2800 Humboldt 78.5 miles west of Weavervilleon. Comment
  UCR115124  Cirsium brevistylum B. Villegas 1998-8-4 s.n. Humboldt North Coast Ranges, Hwy 299 between mileposts 21.5 and 18, near Willow Creek. 415 Comment
  SEINET200853  Cirsium breweri Joseph P. Tracy 1924-7-6 6717 Humboldt Near Ruby Creek on the Willow Creek Hwy north coast ranges Comment
  HSC98616  Cirsium cymosum var. cymosum Cara Witte 2007-7-10 472 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  HSC104423  Cirsium occidentale Jenny Lynn Hutchinson 2013-6-27 Humboldt Mt. Andy Comment
  HSC71801  Cirsium occidentale var. candidissimum M. A. Baker 1980-6-26 2379 Humboldt Near Sims Creek 610 Comment
  BLMAR107  Cirsium occidentale var. candidissimum Jennifer Anthony-Wheeler 1994-7-26 107 Humboldt Lacks Creek, growing on dry exposed banksurrounded by doug fir 1158 Comment
  OBI81553  Cirsium occidentale var. candidissimum Jill M. Bushakra, John Bushakra 2000-6-16 42 Humboldt Across Hwy 101/Hwy 271 from the Elfin Glen Gift Shop, north of the Standish-Hickey Prk. Opening in coniferous forest. 213 Comment
  UC668208  Cirsium occidentale var. candidissimum Joseph P. Tracy 1938-7-4 15990 Humboldt Valley of South Yaeger Creek 762 Comment
  CAS-BOT-BC285580  Cirsium occidentale var. occidentale L. R. Abrams 1916-7-18 6142 Humboldt At Trinidad Comment
  CAS-BOT-BC286387  Cirsium occidentale var. venustum Doris K. Kildale 1925-7-2 967 Humboldt Bug Creek 792 Comment
  UC204833  Cirsium occidentale var. venustum Joseph P. Tracy 1918-7-3 4988 Humboldt Wilder Ridge Northern Coast Ranges, Wilder Ridge 762 Comment
  HSC97210  Cirsium occidentale var. venustum Kiera A. Freeman, Heather J. Perry 2007-6-11 5 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1372 Comment
  JEPS2530 Image available Cirsium remotifolium var. odontolepis Jos. P. Tracy 1908-7-22 2909 Humboldt near Low Gap (ridge below Van Duzen and Mad rivers); ; Below Van Duzen & Mad Rivers, near Low Gap, Humboldt & Trinity Cos. 914 Comment
  UC1199223  Cirsium remotifolium var. rivulare Joseph P. Tracy 1930-7-6 8847 Humboldt Iaqua 609 Comment
  UC183682  Clarkia amoena Joseph P. Tracy 1912-7-22 3790 Humboldt Table Bluff Northern Coast Region 60 Comment
  UC1196989  Clarkia amoena Joseph P. Tracy 1939-8-5 16396 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1196995  Clarkia amoena Joseph P. Tracy 1913-7-20 4381 Humboldt near Berry's; Northern Coast Ranges, Redwood Creek 304 Comment
  CAS-BOT-BC160946  Clarkia amoena subsp. amoena Roxana S. Ferris 1937-8-21 9385 Humboldt Above terrace at Shelter Cove Comment
  CAS-BOT-BC161036  Clarkia amoena subsp. amoena S. K. Harris 1936-6-25 s.n. Humboldt On south side of Domingo Gulch on road from Petrolia to Cape Mendocino 30 Comment
  RSA23649  Clarkia amoena subsp. huntiana Carl B. Wolf 1939-7-8 9520 Humboldt Devil s Gate on road to Petrolia; 1 mile inland 152 Comment
  UC1196978  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1937-7-5 15372 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC144095  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy July, 1908 2762 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  CAS-BOT-BC172390  Clarkia purpurea subsp. viminea Joseph P. Tracy 1936-6-10 14924 Humboldt South Fork of Trinity River, mountain slopes west of its mouth. 457 Comment
  JEPS43563  Clarkia purpurea subsp. viminea W. L. Jepson 1902-7-4 1982 Humboldt beneath The Maul Oaks; Hupa Valley Comment
  RSA256474  Clarkia rhomboidea Joseph P. Tracy 1937-7-24 15527 Humboldt Trinity Summit, 2 miles SE of Devil s Hole 1524 Comment
  HSC100898  Claytonia caroliniana var. sessilifolia Carl C. Marshall Jun 1886 280 Humboldt Trinity Summit. Comment
  UC494167  Claytonia exigua subsp. glauca H. E. Parks and J. P. Tracy 1930-5-26 878 Humboldt Laribee Valley Comment
  CAS-BOT-BC439932  Claytonia perfoliata subsp. mexicana C. E. Fellows 1972-4-29 480 C Humboldt Ca. 8 miles ESE of Eureka. 3.1 miles above the town of Freshwater on the W side of the road to Kneeland. Ca. 20 m below the road (and the dump) 609 Comment
  HSC39620  Claytonia rubra subsp. rubra Thomas W. Nelson 1976-6-15 2723 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  UC672998  Claytonia rubra subsp. rubra Joseph P. Tracy 1933-6-13 12579 Humboldt near summit road from Hoopa westward to Bair's; Hoopa Mountain 1066 Comment
  HSC39529  Claytonia saxosa Thomas W. Nelson 1976-6-14 2708 Humboldt S of Lassic Peak 1524 Comment
  HSC17754  Claytonia saxosa D. E. Anderson 1967-6-10 4366 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  HSC31553  Claytonia sibirica Glenn McGourty 1974-5-11 43 Humboldt Along Maple Creek Rd. Comment
  HSC97175  Claytonia sibirica Erin Lonergan, Benjamin Hart 2007-6-13 8 Humboldt 1 mi. E of FS Rd. NF1 on FS Rd. 5N04 1524 Comment
  HSC97313  Claytonia sibirica var. bulbifera Michael Mesler 2007-6-9 760 Humboldt Near Grouse Mountain; 1.0 mi. east of NF1 on Forest Service Road 5N04 1555 Comment
  SBBG970  Clintonia andrewsiana H. and M. Dearing 1931-5-16 251 Humboldt Weott Comment
  HSC15445  Clintonia andrewsiana J. F. Knezevich 1968-5-13 428 Humboldt Near Arcata above Freshwater Forest Comment
  JEPS61601  Clintonia andrewsiana W. L. Jepson 1921-9-11 9462 Humboldt n of Garberville Comment
  CAS-BOT-BC499963  Clintonia uniflora Doris Kildale 1931-5-10 10688 Humboldt Snow Camp Comment
  UC582452  Collinsia linearis Joseph P. Tracy 1932-7-12 10439 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  JEPS6177  Collinsia linearis Joseph P. Tracy 1934-7-18 13418 Humboldt Grouse Mtn; North Coast Ranges 1524 Comment
  HSC96206  Collinsia parviflora J. McIntire, S. Lyon 2005-6-8 4 Humboldt Cold Springs Camp, 7.4 mi. S of Hwy. 299 on F.S. Rd. NF1 1402 Comment
  UC147870  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1904-4-17 2012 Humboldt immediate vicinity of Eureka 0 Comment
  SBBG11070  Collomia grandiflora D. E. Breedlove 1961-7-4 653 Humboldt 10.9 mi W of Willow Crk on US Hwy 299 822 Comment
  CHSC40066  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Roadside banks, Fickle Hill Road to Boynton Prairie, SN 2 E. 600 Comment
  UC60862  Collomia heterophylla Harley P. Chandler June, 1901 1401 Humboldt Klamath River North Coast Ranges 213 Comment
  UCR111241  Collomia heterophylla H. E. Parks 1933-1 01152 Humboldt North Coast, Spruce Cove, Trinidad 76 Comment
  SEINET10317252 Image available Collomia tracyi M. A. Baker 1980-6-28 Humboldt Trail to Mad River Buttes Comment
  UC1197858  Collomia tracyi Joseph P. Tracy 1933-8-30 13052 Humboldt gravelly opening in woods North Coast Ranges, Grouse Mountain 1524 Comment
  JEPS14142  Conioselinum pacificum Joseph P. Tracy 1913-8-31 4388 Humboldt near Indianola (s end of Humboldt Bay); Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC25946  Convolvulus arvensis Thomas W. Nelson 1970-12-1 289 Humboldt 1 mi. N of the N Rio Dell bridge over the Eel River Comment
  HSC44517  Corallorhiza maculata Brad Klipfel 1973-7-1 125 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99341  Corallorhiza maculata T. Jimerson, J. Pageau 1979-6-12 526 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  HSC38447  Cordylanthus maritimus subsp. palustris J. P. Smith 1976-7-3 8936 Humboldt Manila, Samoa Peninsula Comment
  HSC78076  Cordylanthus maritimus subsp. palustris Craig Martz 1984-7-18 204 Humboldt Samoa Peninsula, about 100 feet E of paved parking area at the junction of Hwy. 255 and Vance Ave, upper edge of marsh. 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
  UC41841  Cordylanthus tenuis subsp. viscidus Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC725642  Corethrogyne filaginifolia A. A. Heller 1924-7-23 13874 Humboldt Little River Comment
Read comments
Sep 29 2006
  POM199566  Corethrogyne filaginifolia var. californica Jos. Burtt Davy 1899-6-30 2185 Humboldt Near Ferndale Comment
  RSA46899  Cornus californica Doris K. Kildale 1925-9-27 1370 Humboldt Alton - Van Duzen River. 30 Comment
  CAS-BOT-BC212012  Cornus nuttallii Doris K. Kildale 1926-7-25 2434 Humboldt Briceland Bridge, 1/2 west of Garberville 114 Comment
  HSC6410  Cornus nuttallii Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  HSC65074  Cornus nuttallii J. P. Smith, Steve Selva 1970-6-14 3853 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC1196902  Cornus nuttallii Joseph P. Tracy 1934-8-24 13597 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  UC1222617  Cornus nuttallii Joseph P. Tracy 1950-10-7 19384 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  UCD117252  Cornus nuttallii Joseph P. Tracy 1950-10-7 19384 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC212130  Cornus sericea H. E. McMinn 1922-8-5 348 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC210454  Cornus sericea subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  HSC76355  Cornus sericea subsp. sericea Denis Kearns 1981-7-23 418 Humboldt Near Whiteys Peak. 1524 Comment
  UC1175128  Corylus californica P. C. Everett and E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek (Hwy 96 from Orleans to Weitchpec) 121 Comment
  UC1197936  Corylus californica Joseph P. Tracy 1949-7-19 18375 Humboldt at Friday Camp 1219 Comment
  HSC76276  Corylus cornuta subsp. californica Teresa Prendusi 1981-7-24 468 Humboldt Near Whiteys Peak 1585 Comment
  SEINET3817862  Cotula coronopifolia Steve R. Johnson 1965-3-12 1 Humboldt 1 mile north of luffenholtz beach Comment
  UC1199279  Cotula coronopifolia Joseph P. Tracy 1922-5-28 6058 Humboldt Little River Beach North Coast Ranges. Little River Beach 6 Comment
  CAS-BOT-BC291342  Cotula coronopifolia Elmer I. Applegate 1923-9-13 4009 Humboldt 5 miles south of Eureka Comment
  UC275488  Crassula connata var. eremica Joseph P. Tracy 1925-5-17 6981 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC1198827  Crassula connata var. subsimplex Joseph P. Tracy 1940-4-7 16528 Humboldt near Samoa on Humboldt 6 Comment
  UCR121767  Crepis capillaris George K. Helmkamp, E. A. Helmkamp 2001-7-8 6998 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  SDSU3878  Crepis capillaris D. F. Howe 1961-7-31 3098 Humboldt 37.7 miles south of Eureka on #101. Comment
  UCSB30599  Crepis capillaris Edwards, David 1974-7-13 Humboldt SW. of intersection of Fickle Hill Rd. and Hill St., ca. 1/3 mi. E. of U.S. 101, Arcata 36 Comment
  CAS-BOT-BC290848  Crepis pleurocarpa Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC376477  Crepis pleurocarpa Joseph P. Tracy 1935-7-28 14332 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  JEPS22553  Crocidium multicaule Joseph P. Tracy 1933-5-21 12212 Humboldt McClellan Mountain 822 Comment
  HSC57202  Cryptantha affinis Griswold, Butler 1979-7-10 7108 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC175691  Cryptantha flaccida Joseph P. Tracy 1908-6 2758 Humboldt opposite Buck Mountain (at Little Van Duzen Bridge); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC525605  Cryptantha intermedia Joseph P. Tracy 1932-6-14 10141 Humboldt w of mouth of South fork of Trinity River; North Coast Ranges 609 Comment
  HSC73579  Cryptantha torreyana Gail Newton 1980-7-14 1479 Humboldt Near Last Chance Ridge. 1219 Comment
  UC1239649  Cryptantha torreyana Harold E. Parks and Joseph P. Tracy 1934-6-27 11058 Humboldt Grouse Mt. 1432 Comment
  UC1239650  Cryptantha torreyana Joseph P. Tracy 1923-6-3 6259 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC76321  Cryptogramma acrostichoides Teresa Prendusi 1981-7-21 284 Humboldt Near Whiteys Peak 1646 Comment
  SEINET11719535  Cryptogramma acrostichoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -317 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  UC906743  Cuscuta californica Joseph P. Tracy 1947-7-5 17777 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC902071  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18408 Humboldt Mud Springs Trinity Summit 1341 Comment
  POM318827  Cuscuta salina Patricia Wilder 1968-8-21 4416 a Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  UC176042  Cynoglossum grande Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3615 Humboldt near Hydesville; Northern Coast Region 30 Comment
  HSC73571  Cynosurus echinatus Gail Newton 1980-7-14 1508 Humboldt Near Last Chance Ridge. 1219 Comment
  SBBG53060  Cynosurus echinatus R. N. Philbrick, J. R. Haller 1976-6-25 4 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UCD60170  Cynosurus echinatus P. B. Kennedy 1929-6-14 s.n. Humboldt Arcata, Range of California Barrel Co. Comment
  RSA91852  Cynosurus echinatus Joseph P. Tracy, H. E. Parks 1933-6-11 12542 Humboldt Near Miranda 152 Comment
  RSA275286  Cyperus eragrostis J. P. Smith, Advanced Plant Taxonomy Plant 1971-10-9 4990 Humboldt Mad River above the Fish Hatchery. Comment
  RSA53852  Cyperus eragrostis Henry M. Pollard 1945-8-27 s.n. Humboldt Pond near Harley Place, near Orleans. Comment
  UC668035  Cyperus eragrostis Joseph P. Tracy 1932-10-30 10897 Humboldt Alton to Fortuna (Eel R.); Eel R. 15 Comment
  CDA18046  Cyperus esculentus R. Spadoni 1999-8-3 PDR 1170316 Humboldt 1400 Main, Ferndale. 0 Comment
  JEPS64063  Cyperus squarrosus Joseph P. Tracy 1916-9-5 4773 Humboldt 4 mi. above mouth S. Fork Eel R.; Northern Coast Ranges, S. Fork Eel R. 60 Comment
  UC1196441  Cypripedium californicum Joseph P. Tracy 1926-6-6 7575 Humboldt on road from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  HSC74128  Cystopteris fragilis R. York 1980-5-23 621 Humboldt Near Buck Mtn. 1524 Comment
  HSC74131  Cystopteris fragilis R. York 1980-5-23 613 Humboldt Near Buck Mtn. 1524 Comment
  HSC97625  Cystopteris fragilis Cara Witte 2007-5-31 161 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1547 Comment
  SEINET12152438  Cytisus scoparius J. P. Tracy 1950-1 18830 Humboldt Eureka Comment
  CAS-BOT-BC189763  Dactylis glomerata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC54606  Dactylis glomerata Overton, Butler 1979-7-24 9690 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC74563  Dactylis glomerata M. A. Baker 1980-5-17 1244 Humboldt Near Le Perron Peak 1066 Comment
  SBBG53086  Dactylis glomerata R. N. Philbrick, J. R. Haller 1976-6-25 6 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CAS-BOT-BC189735  Danthonia californica Alice Eastwood; John Thomas Howell 1937-6-22 4734 Humboldt Near Alder Point. Comment
  CAS-BOT-BC189738  Danthonia californica David D. Keck 1944-7-11 5493 Humboldt 3 miles northeast of Capetown. 152 Comment
  CDA31640  Danthonia californica T. R. Haig 1960-6-19 Humboldt 2 miles south of Kneeland 0 Comment
  UC1152021  Danthonia californica Joseph P. Tracy 1951-6-26 19571 a Humboldt Snow Camp and Twin Lakes vicinity Comment
  RSA10088  Danthonia unispicata Joseph P. Tracy 1926-6-20 7611 Humboldt Horse Mountain 1402 Comment
  HSC20252  Darmera peltata Jack Rockwell 1962-4-29 59 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  HSC25997  Darmera peltata Thomas W. Nelson 1970-9-3 211 Humboldt Mad River. Comment
  CAS-BOT-BC420360  Darmera peltata Volney Rattan 1903-1-1 s.n. Humboldt unspecified Comment
  UC249629  Darmera peltata Joseph P. Tracy 1921-9-4 5958 Humboldt mouth of South Fork of Trinity River; Northern Coast Ranges 152 Comment
  HSC26003  Datisca glomerata Thomas W. Nelson 1970-9-3 212 Humboldt Mad River. Comment
  UC642295  Daucus carota Joseph P. Tracy 1932-9-16 10796 Humboldt near mouth Mad River 30 Comment
  HSC12359  Daucus carota C. Kline 1970-11-28 84 Humboldt Hwy 101, 1 mi S of Arcata Comment
  HSC96221  Delphinium decorum subsp. tracyi Eric Schori, Kazuyuki Ishimaru 2005-6-3 2 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1240 Comment
  JEPS23382  Delphinium hesperium subsp. hesperium Milo S. Baker 1923-7-20 31 Humboldt head of Yager Creek Comment
  JEPS60593  Delphinium hesperium subsp. hesperium Lincoln Constance 1934-5-29 713 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River 365 Comment
  UC1196314  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1934-7-6 13662 Humboldt Iaqua North Coast Ranges 609 Comment
  UC160954  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1909-7-31 3041 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC160933  Delphinium nudicaule Joseph P. Tracy 1908-6-8 2635 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC9956  Delphinium nudicaule Joseph Prince Tracy 1927-5-30 8084 Humboldt Near Briceland 243 Comment
  CAS-BOT-BC9957  Delphinium nudicaule Duart V. Brown 1947-4-2 28 Humboldt Near Sweed Creek, Trinity River Comment
  HSC35357  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 490 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36. Comment
  UC162819  Delphinium trolliifolium Joseph P. Tracy 1908-6 2712 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC44763  Delphinium trolliifolium Maralyn O'Meara 1972-6-8 93 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  UC1542893  Delphinium trolliifolium Harold E. Parks June 1930 1366 Humboldt near Rohnerville Comment
  UC1131487  Deschampsia cespitosa subsp. beringensis H. L. Person 1932-5-11 Humboldt near Arcata Arcata; Eureka Quad. Comment
  HSC37771  Deschampsia cespitosa subsp. holciformis D. E. Anderson, J. P. Smith 1971-6-14 - 1040 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  HSC98108  Deschampsia danthonioides Cara Witte 2007-6-20 305 Humboldt National Forest 1. 1/4 mile north of intersection with 5N09. 1434 Comment
  UCD61390  Deschampsia danthonioides A. H. Murphy 1951-5-21 Humboldt Tooby and Prior Ranch, Blocksburg. Experimental grazing pasture, 2 miles S of Blocksburg. Comment
  CAS-BOT-BC201777  Deschampsia elongata Joseph P. Tracy 1932-7-14 10552 Humboldt At Corral Prairie 1524 Comment
  HSC37256  Deschampsia elongata Lon Hall 1975-6-19 393 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  SEINET4567133  Deschampsia elongata J. B. Davy 1899-6-12 5476 Humboldt Elk Prairie Comment
  HSC102126  Descurainia incana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1030 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC99586  Dianthus armeria K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 251 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1387 Comment
  HSC22512  Dicentra formosa G. N. Bos 1965-5-2 236 Humboldt 5 mi. E of Korbel on Bald Mtn. Rd. 732 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
  JEPS9737  Dicentra formosa Joseph P. Tracy 1933-5-28 12414 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  UCD114222  Dicentra formosa James P. Smith 1973-5-5 6480 Humboldt Along Cook and Green Pass Road. Comment
  HSC8356  Dicentra formosa Eugene Andreuccetti 1964-4-11 18 Humboldt 1/2 mi. S of Garberville on Hwy. 101 Comment
  CAS-BOT-BC402408  Dicentra formosa subsp. formosa Joseph P. Tracy 1933-7-16 12794 Humboldt North Coast Ranges. South Fork Mt. 1676 Comment
  RSA168936  Dicentra formosa subsp. formosa Joseph P. Tracy 1950-6-8 18720 Humboldt Near Mountain Glen, 7 miles south of Ferndale, Bear River Ridge 610 Comment
  SEINET3071630 Image available Dichanthelium acuminatum subsp. fasciculatum Joseph P. Tracy 1900-8-26 925 Humboldt Eureka Comment
  SEINET7293093 Image available Dichanthelium acuminatum subsp. fasciculatum Joseph P. Tracy 1938-1 16172 Humboldt Bald Mountain; at 'Lake Prairie Comment
  RSA92450  Dichanthelium acuminatum var. fasciculatum Joseph P. Tracy 1931-5-17 9427 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC1198173  Dichelostemma capitatum Joseph P. Tracy 1927-5-22 8074 Humboldt Kneeland Prairie 762 Comment
  UC1198170  Dichelostemma capitatum Joseph P. Tracy 1933-6-18 12607 Humboldt e of Redwood Creek (on Trinity Highway); Berry's Mt. 762 Comment
  UC176352  Dichelostemma capitatum Joseph P. Tracy 1913-6-13 4102 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northen Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC48032  Dichelostemma capitatum subsp. capitatum Brad Klipfel 1974-5-27 406 Humboldt Horse Mtn. Comment
  HSC71113  Dichelostemma capitatum subsp. capitatum M. A. Baker 1980-5-23 1379 Humboldt Near Buck Mtn. 1524 Comment
  HSC86307  Dichelostemma capitatum subsp. capitatum K. Berg, B. Bonning 1983-5-21 493 Humboldt 0.5 mi. up Titlow Hill Rd. from Berry Summit 854 Comment
  HSC24401  Dichelostemma ida-maia J. O. Sawyer 1970-6-24 2216 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC81576  Dichelostemma ida-maia Thomas W. Nelson, Jane P. Nelson 1980-7-13 6067 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  UC1198184  Dichelostemma ida-maia Joseph P. Tracy 1930-6-21 8773 Humboldt Larrabee Valley 731 Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  UC175926  Dichelostemma ida-maia Joseph P. Tracy 1913-6-20 4227 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC1950249  Dichelostemma ida-maia Barbara Ertter with Thomas J. Delendick 1987-5-16 6918 Humboldt Vista Point just W of Berry Summit on Hwy 299, open grassy S-facing slope Comment
  SBBG6909  Diplacus aurantiacus M. J. Cody 1938-7-14 Humboldt Trinidad Head Comment
  CAS-BOT-BC151742  Diplacus kelloggii Milo S. Baker 1925-4-7 241 a Humboldt Blue Lake Comment
  CAS-BOT-BC153234  Diplacus kelloggii John Cromwell; Julie Schneider; Audie Thoele 1994-3-19 5 Humboldt Hell's Half Acre, trailhead located about 12 miles South of South Fork Road off of Hwy. 299 457 Comment
  UC666969  Disporum hookeri Joseph P. Tracy 1938-6-13 15898 Humboldt Horse Mountain 1432 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
  SEINET4170363  Disporum smithii Unknown 1933-5-12 3413 Humboldt Dyerville, South Fork of the Eel River Comment
  CHSC69508  Distichlis spicata Vernon Oswald; Lowell Ahart 1997-9-4 8850 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  HSC93509  Distichlis spicata Gordon Leppig, Sylvia Leppig 1998-9-17 1101 Humboldt Arcata Marsh and Wildlife Sanctuary, W of railroad trestle. Comment
  HSC9632  Distichlis spicata J. M. Johnson 1962-7-29 Humboldt On dike beside Mad River slough, W.M. Lanphere Farm, Samoa peninsula. Comment
  SACT001019  Distichlis spicata var. stolonifera Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt Marshes. Comment
  UC562749  Dodecatheon alpinum Joseph P. Tracy 1932-7-14 10565 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  HSC17866  Dodecatheon hendersonii Francis Winter 1960-4-24 Humboldt Pine Ridge Summit, 3 mi. NE of Redwood Creek Ranch 854 Comment
  JEPS14697  Dodecatheon jeffreyi Joseph P. Tracy 1932-7-17 10669 Humboldt ridges e Corral Prairie (Trinity Summit); , e of Corral Prairie 1828 Comment
  UC1199493  Downingia willamettensis Joseph P. Tracy 1912-7-21 3781 Humboldt Alton Northern Coast Region 30 Comment
  RSA654125  Downingia yina Beecher Crampton 1956-6-26 3651 Humboldt Margin of Snow's Lake, 3.5 miles east of Seigler Springs Comment
  UC552294  Draba verna Joseph P. Tracy 1934-3-11 13147 Humboldt gravel bar of Klamath River North Coast Ranges, Klamath River, Weitchpec 91 Comment
  CAS-BOT-BC401536  Drosera rotundifolia L. B. Kildale 1930-7-11 s.n. Humboldt Snow Camp, head of Redwood Creek Comment
  HSC38525  Drymocallis glandulosa D. E. Anderson, J. P. Smith 1971-6-18 1071 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  JEPS35200  Dryopteris arguta W. L. Jepson 1932-8-9 16542 Humboldt Deerfoot Glade Bull Creek 121 Comment
  SEINET6424295 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  POM281673  Dryopteris expansa Lyman Benson 1929-7-18 1847 Humboldt Weott Rangr station, Redwoods flat Comment
  UCSB30621  Dryopteris expansa Edwards, David 1974-9-2 Humboldt ca. 5ft N of dirt road, ca. 350 ft from its junction with Fickle Hill Rd., Arcata. 106 Comment
  HSC4370  Dysphania ambrosioides Jerry Parker 1968-10-26 192 Humboldt Big Lagoon, dredged sand-spit near county park. Comment
  UC180503  Echinochloa crus-pavonis Joseph P. Tracy 1914-10-11 4634 Humboldt Eureka; Northern Coast Region 0 Comment
  JEPS19336  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow's Prairie; dried pond bed 60 Comment
  CHSC68427  Eleocharis macrostachya L. P. Janeway 1983-9-24 701 Humboldt 10-30 ft from water line of Big Lagoon, near southwest corner of the county campground. 3 Comment
  HSC7309  Eleocharis macrostachya Paul Shields 1955-10-7 Humboldt Essex Pond near Fieldbrook Comment
  UCD49791  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt Humboldt County. In drainage ditch along east side of State Route 101 just north of the Eureka Airport. Comment
  CAS-BOT-BC113168  Eleocharis palustris Joseph Prince Tracy 1934-7-14 13400 Humboldt Blue Lake, along Mad River 15 Comment
  HSC77865  Eleocharis parvula L. J. Heflin 1984-5-13 5 Humboldt Hauser Marsh Comment
  UCSB34194  Eleocharis parvula Kearns, Dennis 1979-8-24 Humboldt Near the Arcata Boat Launching Facility at the South end of "I" Street Comment
  HSC103095  Elymus elymoides subsp. californicus Sydney Carothers 2014-7-3 19 Humboldt Six Rivers National Forest, Lassics Botanical Area, Mt. Lassic, upper north slope 1775 Comment
  UC175632  Elymus elymoides subsp. elymoides Joseph P. Tracy 1912-7-31 3933 Humboldt Buck Mountain Northern Coast Ranges (summit) 1676 Comment
  UC526783  Elymus elymoides subsp. elymoides Joseph P. Tracy 1933-7-25 12889 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC58670  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12106 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  HSC71647  Elymus glaucus J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9927 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  CAS-BOT-BC203800  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8215 Humboldt Stone Lagoon 6 Comment
  HSC63822  Elymus intermedius Dennis McKiver 1981-1-12 Humboldt 300 yds. SW of the Mad River Bridge on Hatchery Rd. in Blue Lake. Comment
  HSC9726  Elymus mollis subsp. mollis J. W. Johnson 1962-4-29 1297 Humboldt W.M. Lanphere Farm, Samoa Peninsula, Arcata. Comment
  HSC9731  Elymus mollis subsp. mollis D. B. Bader 1963-5-1 16 Humboldt Clam beach Lagoons, W of Hwy. 101. Along railroad tracks. Comment
  UC1103291  Elymus trachycaulus A. H. Murphy 1949-7-22 Humboldt Bear River Ridge; at intersection of Monument Road 457 Comment
  SEINET200933  Elymus trachycaulus subsp. trachycaulus J. P. Tracy 1912-7-27 3885 Humboldt Kneeland prairie 762 Comment
  UC184152  Elytrigia repens Joseph P. Tracy 1912-7-7 3743 Humboldt Eureka Northern Coast Region (edge of salt marsh) 0 Comment
  HSC33094  Empetrum nigrum J. P. Smith 1975-3-31 8048 Humboldt Megwill Point on Elk Head, just N of College Cove Comment
  POM271541  Epilobium angustifolium var. macrophyllum Lyman Benson 1928-7-8 725 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 Comment
  HSC57372  Epilobium brachycarpum Overton, Butler 1979-7-26 10086 Humboldt Near Cold Spring, close to the town of Willow Creek 1408 Comment
  HSC35708  Epilobium brachycarpum Thomas W. Nelson, B. Reinhardt 1975-7-30 2117 Humboldt E of Pilot Rock Comment
  POM225520  Epilobium brachycarpum P. A. Munz 1936-8-13 14381 Humboldt 10 miles west of Willow Creek. Comment
  UC144089  Epilobium brachycarpum Joseph P. Tracy July 1908 2895 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  HSC102032  Epilobium ciliatum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 935 Humboldt Patterson Meadows 1555 Comment
  UC146138  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1909-8-15 3075 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC79497  Epilobium ciliatum subsp. ciliatum Kenneth Clark 1979-6-30 453 Humboldt Dead Man's Gulch 8 Comment
  JEPS39219  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1936-8-15 17899 Humboldt 2 mi e Carlotta Comment
  UC902177  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1947-7-5 17810 Humboldt near Box Camp (along stream); Trinity Summit 1463 Comment
  HSC39947  Epilobium ciliatum subsp. watsonii Linda M. Barker 1976-7-5 1637 Humboldt 3 mi. W of Arcata Comment
  HSC49656  Epilobium ciliatum subsp. watsonii J. P. Smith 1971-10-6 4952 Humboldt At the end of Murray Rd., McKinleyville Comment
  POM225523  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-13 14385 Humboldt Clam Beach Comment
  UC146120  Epilobium ciliatum subsp. watsonii Joseph P. Tracy 1909-9-19 3097 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  HSC55207  Epilobium glaberrimum Walter Overton 1979-8-1 12326 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC67186  Epilobium minutum Thomas W. Nelson, James Nelson 1980-6-10 5422 Humboldt Along road to Red Mtn., 0.5 mi. W of junction with Swayback Ridge Rd. 1372 Comment
  JEPS31490  Epilobium oregonense Joseph P. Tracy 1935-7-26 14260 Humboldt Water Dog Lakes Trinity Summit (meadows) 1828 Comment
  HSC91902  Equisetum arvense E. Mackey 1987-8-28 Humboldt Patrick's Point State Park, Palmer's Point Comment
  CAS-BOT-BC57789  Equisetum telmateia Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Camp Creek, Klamath River Canyon. Comment
  HSC82219  Equisetum telmateia subsp. braunii Paul Wilson 1986-9-16 1053 Humboldt From jct. of Hwy. 101 at Arcata, 1.5 mi. E on Hwy. 299 to bridge 4-36R crossing the Mad River, then upriver about 100 m 30 Comment
  SEINET3866711  Equisetum telmateia subsp. braunii R. L. Jarvis 1962-4-7 16 Humboldt Sea level. 2 miles south of Arcata on highway 101.; 0 Comment
  HSC34983  Erechtites glomeratus Thomas W. Nelson 1974-9-13 1710 Humboldt King Salmon area Comment
  HSC5493  Erechtites glomeratus J. W. Johnson 1962-4-18 1261 Humboldt Arcata; N of the Hunt and Bull Farms, Samoa Peninsula Comment
  HSC40254  Erechtites minimus Linda M. Barker 1976-8-2 1677 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  CAS-BOT-BC296111  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC296118  Erigeron foliosus var. confinis Doris K. Kildale 1929-5-26 9141 a Humboldt Klamath River at Orleans 152 Comment
  UC1199403  Erigeron foliosus var. confinis Joseph P. Tracy 1927-5-14 8006 Humboldt near South Fork; Trinity River Valley 182 Comment
  CAS-BOT-BC296106  Erigeron foliosus var. confinis Lincoln Constance; Reed C. Rollins 1942-5-12 2896 Humboldt Junction of Klamath and Salmon Rivers 1 mile south of Somes BAr 152 Comment
  RSA90920  Erigeron foliosus var. confinis F. W. Peirson 1926-7-13 7049 Humboldt River bottom, near Blue Lake, Mad River Comment
  UC166099  Erigeron glaucus J. P. Tracy 1900-7-4 888 Humboldt sand hills of ocean beach at Samoa (opp. Eureka) Comment
  HSC91917  Erigeron glaucus E. Mackey 1986-12-18 Humboldt Patrick's Point State Park, Palmer's Point Trail to beach Comment
  UC1223140  Erigeron glaucus Joseph P. Tracy 1948-6-10 18038 Humboldt w Trinidad 7 Comment
  RSA54145  Erigeron inornatus var. inornatus H. M. Pollard 1946-8-28 s.n. Humboldt Near Summit of Orleans Mt. 1829 Comment
  POM187853  Erigeron philadelphicus Marcus E. Jones 1931-7-12 29146 Humboldt Alton. Comment
  RSA47128  Erigeron philadelphicus Doris K. Kildale 1925-6-20 717 Humboldt Big Lagoon Comment
  UC1223011  Erigeron robustior Joseph P. Tracy 1942-7-4 17371 Humboldt 2 mi w McClellan House (at Camp Desparation near the old Sweany place); McClellan Mountain 609 Comment
  UC87665  Erigeron strigosus var. strigosus Harley P. Chandler June 1901 1402 Humboldt Klamath River North Coast Ranges 243 Comment
  CAS-BOT-BC224259  Eriodictyon californicum P. C. Everett; E. K. Balls 1959-10-24 23953 Humboldt 2.8 mi. sw. from Siskiyou-Humboldt Co. line, Somesbar to Orleans 198 Comment
  JEPS27  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Summit of Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  HSC73670  Eriogonum compositum M. A. Baker 1980-7-15 2953 Humboldt Near Whiting Ridge. 1341 Comment
  CAS-BOT-BC259154  Eriogonum latifolium Alice Eastwood 1923-8-14 12313 Humboldt Samoa Comment
  POM232031  Eriogonum latifolium I. L. Wiggins 1930-7-11 4680 Humboldt Near Samoa Comment
  RSA264513  Eriogonum latifolium H. E. Parks 1941-08 24198 Humboldt Little River Comment
  SBBG28255  Eriogonum latifolium H. E. Parks -Aug-1941 24198 Humboldt Little River Comment
  SD38695  Eriogonum latifolium Edith A. Purer 1932-7-27 4149 Humboldt Samoa, stabilized sand dunes Comment
  POM188360  Eriogonum luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata. Comment
  SEINET6944764  Eriogonum nudum Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  UC54762  Eriogonum nudum var. nudum P. E. Goddard 1901-7-12 84 Humboldt Hupa Comment
  UC672903  Eriogonum nudum var. nudum Joseph P. Tracy 1933-8-6 12951 Humboldt French Camp Ridge 1066 Comment
  SEINET11938122  Eriogonum nudum var. nudum H. P. Chandler 1901-1 1491 Humboldt Klamath River 305 Comment
  UC146155  Eriogonum nudum var. nudum Joseph P. Tracy 1908-6 2811 Humboldt opposite Buck Mountain (Valley of Van Duzen River); North Coast Ranges, Valley of Van Duzen River 304 Comment
  SD22520  Eriogonum nudum var. oblongifolium Susan G. Stokes 1932-7-13 Humboldt From Garberville to Eureka Comment
  HSC54736  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10179 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC35819  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1915 Humboldt Beside Hwy. 36, 1 mi. W of Grizzley Creek Comment
  CAS-BOT-BC301008  Eriophyllum lanatum var. achilleoides Harold E. Parks; Joseph P. Tracy 1934-6-27 11063 Humboldt Grouse Mt. 1432 Comment
  UC673208  Eriophyllum lanatum var. achilleoides Lincoln Constance and Reed C. Rollins 1942-5-12 2886 Humboldt 6 mi ne Weitchpec; Klamath-Siskiyou Region, Mouth of Bluff Creek 152 Comment
  UC1199139  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 1/2 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  UC129580  Eriophyllum lanatum var. grandiflorum Mrs. M. H. Manning 1901-6-7 Humboldt near Hupa Comment
  CAS-BOT-BC301684  Eriophyllum lanatum var. lanceolatum Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC301924  Eriophyllum staechadifolium L. R. Abrams 1916-7-18 6080 Humboldt Arcata to Trinidad Comment
  UCR39816  Erodium botrys L. P. Janeway 1984-5-13 771 Humboldt Kneeland/Bridgefield Road c. 5 mi. east of the Kneeland Post Office 762 Comment
  HSC8499  Erodium cicutarium D. E. Anderson 1962-3-17 1935 Humboldt 4 mi. S of Lone Star Ranch Comment
  UC10526  Erysimum capitatum J. Burtt Davy 1899-6-23 5856 Humboldt Trinity Summit North Coast Ranges Comment
  HSC44066  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3697 Humboldt Rd. 2S08 between Alder Spring and Pine Mtn. 1585 Comment
  HSC73747  Erysimum capitatum var. capitatum M. A. Baker 1980-7-15 2949 Humboldt Near Whiting Ridge. 1341 Comment
  BLMAR56  Erysimum menziesii Jennifer Anthony-Wheeler 1994-2-24 56 Humboldt Samoa/manilla dunes, growing in Samoa rare plant area, 12 Comment
  SJSU2542  Erythranthe dentata H. L. Buckalew 1962-6-26 Humboldt Prairie Cr Redwoods State Park Comment
  HSC71161  Erythronium californicum Thomas W. Nelson 1977-6-15 3421 Humboldt Along USFS rd connecting FS 6N01 to 5N10, just N of Clear Lake 1372 Comment
  HSC15488  Erythronium citrinum var. citrinum E. C. Murczek 1964-4-4 29 Humboldt 8 mi. N of Hoopa Comment
  HSC102051  Erythronium grandiflorum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 955 Humboldt Patterson Meadows 1555 Comment
  UC666961  Erythronium grandiflorum Joseph P. Tracy 1933-7-11 12708 Humboldt Grouse Mountain 1524 Comment
  HSC79053  Erythronium grandiflorum subsp. grandiflorum D. K. Imper 1984-5-16 Humboldt 0.25 mi. E of 6N01 where it junctions with 6N08 1524 Comment
  SEINET3992426  Erythronium grandiflorum var. pallidum Unknown 1933-7-16 12774 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  CAS-BOT-BC403035  Eschscholzia californica Doris K. Kildale 1927-6-25 3548 Humboldt Shelter Cove Comment
  HSC16768  Eschscholzia californica William J. Ferlatte 1963-4-28 24 Humboldt Near 12th and B St., Arcata Comment
  OBI11797  Eschscholzia californica Carl B. Wolf 1937-6-14 8824 Humboldt North Coast Range, Kneeland prairie 823 Comment
  CAS-BOT-BC403038  Eschscholzia californica R. James; M. Goering; S. Matthews 1985-4-20 045 Humboldt Burnt Ranch Campground, Shasta-Trinity National Forest Comment
  UC668058  Eschscholzia californica Joseph P. Tracy 1938-6-17 15956 Humboldt s point of the Cape (near ocean shore); Cape Mendocino 3 Comment
  UC249819  Euchiton gymnocephalus Joseph P. Tracy 1923-4-1 6175 Humboldt near Blue Lake; Northern Coast Ranges 304 Comment
  UC562616  Euchiton gymnocephalus Joseph P. Tracy 1936-8-23 15164 Humboldt Carlotta 30 Comment
  HSC5688  Euchiton gymnocephalus W. D. Stevens 1967-7-22 61 Humboldt Above the dirt road from old Hwy. 101 to the top of the N bank of the Mad River Comment
  CAS-BOT-BC310496  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  UCD132296  Euchiton sphaericus John Thomas Howell 1956-8-29 12888 Humboldt Eel River 16 miles north of Garberville. Comment
  UC1199005  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1906-6-10 2473 Humboldt headwaters of Freshwater Creek near Kneeland Prairie; Northern Coast Ranges, Freshwater Creek 457 Comment
  UC18050  Euonymus occidentalis var. occidentalis C. C. Marshall 1888-1 Humboldt Mad R. Mts. Comment
  HSC98779  Euphorbia crenulata Cara Witte 2008-6-27 766 Humboldt Along National Forest 1 on Kinsey Ridge. 1.5 mi. NE of intersection with 4N09. 1317 Comment
  UC1198984  Euphorbia crenulata Joseph P. Tracy 1926-4-11 7409 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC79446  Euphorbia crenulata Kenneth Clark 1981-5-2 1358 Humboldt 0.5 mi. W of Dead Man's Gulch. 145 Comment
  UC198583  Euphorbia crenulata Joseph P. Tracy 1916-5-30 4787 Humboldt Dows Prairie; Northern Coast Range 60 Comment
  HSC22607  Euthamia occidentalis J. P. Smith, J. O. Sawyer 1971-10-16 5050 Humboldt 2.1 mi. E of Carlotta on Calif. 36 Comment
  UC166500  Euthamia occidentalis Joseph P. Tracy 1905-10-1 2395 Humboldt near mouth of Elk River; Northern Coast Range, region about Humboldt Bay 0 Comment
  HSC40339  Festuca arundinacea Linda M. Barker 1976-6-1 1566 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC9819  Festuca arundinacea E. W. Styskel 1964-4-28 74 Humboldt End of Davis St. at edge of Eel River in Rio Dell. Comment
  CAS-BOT-BC278304  Festuca californica subsp. californica L. R. Abrams 1918-6-15 7126 Humboldt Brannan Mt near Willow Creek 1371 Comment
  RSA121314  Festuca idahoensis H. S. Yates 1936-6-17 5697 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  CAS-BOT-BC278809  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville Comment
  SEINET175520 Image available Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River near Bridgeville Comment
  HSC37920  Festuca rubra Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  POM126171  Festuca subulata Joseph P. Tracy 1903-5-23 1899 Humboldt Alder Point, on Eel River. 244 Comment
  SEINET3827552 Image available Festuca subuliflora T. R. Van Devender, R. K. Van Devender 1990-1 90 -102 Humboldt Cal-Barrel Road in Redwood National Forest; dense old-growth redwood forest. Comment
  UCD66495  Festuca subuliflora Harley P. Chandler 1901-5-1 1184 Humboldt Humboldt Bay. 30 Comment
  CAS-BOT-BC453518  Fragaria chiloensis David D. Keck; J. Clausen 1935-6-16 3390 Humboldt Mouth of Little River Comment
  HSC59396  Fragaria chiloensis Rick Lundquist 1979-4-25 42 Humboldt .3 mi. S of Samoa on Samoa Blvd. 0 Comment
  HSC90467  Fragaria chiloensis Jean Hanson 1980-3-8 30 Humboldt Indian (Gunther) Island, in Humboldt Bay. W end of island, 200 ft. from SW shore Comment
  SEINET11922532  Fragaria chiloensis T. L. Ashman, Koski, M. 2011-6-4 2 Humboldt Samoa Dunes Recreation Area Comment
  UC1198725  Fragaria chiloensis Joseph P. Tracy 1918-4-21 4875 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  HSC44523  Fragaria vesca Brad Klipfel 1973-7-1 130 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC102047  Fragaria virginiana M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 950 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC45262  Fragaria virginiana M. Alcasas 1978-6-3 120 Humboldt Titlow Hill Rd. 0.8 mi. from Hwy. 299 1113 Comment
  CAS-BOT-BC52731  Frangula californica subsp. californica Doris K. Kildale 1927-6-25 3568 Humboldt Shelter Cove Comment
  SBBG26931  Frangula californica subsp. californica D. K. Kildale 1927-7-3 Humboldt Willow Crk flat on Trinity River 152 Comment
  HSC18422  Frangula purshiana subsp. purshiana R. T. Haase 1965-4-26 11 Humboldt Comment
  SEINET200756  Frasera speciosa Joseph P. Tracy 1917-9-2 4851 Humboldt Grouse Mt. 1524 Comment
  UC249521  Fraxinus latifolia Joseph P. Tracy 1922-5-29 6060 Humboldt South Yager Creek Valley Northern Coast Ranges 762 Comment
  HSC65858  Fritillaria affinis Gail Newton 1980-6-28 710 Humboldt Near Mad River Butte. 1536 Comment
  CAS-BOT-BC136032  Fritillaria affinis John Thomas Howell 1954-4-25 29154 Humboldt Dune hills, Little River Comment
  UC1197638  Fritillaria atropurpurea Joseph P. Tracy 1935-7-30 14375 Humboldt Salmon Summit, just below the top Salmon Summit 2072 Comment
  JEPS30796  Fritillaria purdyi Mrs. Barnwell 1923-4-28 Humboldt Northern Coast Ranges, Chalk Mountain Chalk Mountain; Northern Coast Ranges, Chalk Mountain 762 Comment
  UC667119  Fritillaria purdyi Joseph P. Tracy 1938-6-13 15925 Humboldt Horse Mt. 1432 Comment
  SEINET8773683  Fumaria capreolata R. R. Halse 2013-3-28 8767 Humboldt Eureka, at a Texaco station near 3543 Broadway Street (US Hwy 101) and its intersection with McCullens Avenue. 6 Comment
  HSC73541  Galium aparine Gail Newton 1980-7-14 1477 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC57329  Galium bolanderi Overton, Butler 1979-7-25 9822 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  JEPS25687  Galium bolanderi P. C. Hutchison 1961-5-22 2010 Humboldt 1.1 mi s Berry Summit (at 2871 ft alt. on hiway US 299) (on road to Horse Mountain, in slide) 914 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
  UC1196105  Galium californicum subsp. californicum Joseph P. Tracy 1925-8-9 7228 Humboldt opposite Miranda; Salmon Creek 91 Comment
  JEPS52844  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-27 3957 Humboldt along stream on road to Madrone Campground Redwood Highway, Richardson Grove Comment
  HSC41598  Galium parisiense Thomas W. Nelson 1977-7-4 3610 Humboldt Alder Springs 1524 Comment
  OBI9919  Galium parisiense Rimo Bacigalupi, G. T. Robbins 1954-6-28 4654 Humboldt Along hwy, high above Trinity River, 7.4 mi N of Hoopa, 4.6 mi S of Weitchpec. Six Rivers natl Forest Comment
  HSC58008  Galium triflorum G. L. Clifton 1979-7-31 11804 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 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
  HSC73036  Garrya buxifolia Gail Newton 1980-7-23 1712 Humboldt Near Packsaddle Ridge 1463 Comment
  RSA46655  Garrya buxifolia Doris K. Kildale 1937-9-14 15361 Humboldt Grouse Mountain Comment
  UC154057  Garrya elliptica J. P. Tracy 1901-2-22 993 Humboldt immediate vicinity Eureka 0 Comment
  UCD121122  Garrya flavescens M. Wiesendanger 1928-4-7 932 Humboldt Near Blue Lakes. Comment
  OBI14160  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 b Humboldt Trinity River Valley, at Willow crk Comment
  UC484079  Garrya fremontii Carl B. Wolf 1930-10-24 Humboldt 1 mi above mouth of Slate Creek (along Klamath River); Klamath River 243 Comment
  UCD121163  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 b Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UCSB4685  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek; within Hoppe Indian Reservation; upstream from Willow Creek Village. 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
  HSC59858  Gaultheria ovatifolia M. A. Baker 1979-7-6 1011 Humboldt .6 k W of FS rd. 15N01 on rd. 12N16, toward Bald Mtn. Comment
  CAS-BOT-BC58907  Gaultheria shallon Carl B. Wolf 1931-8-29 1242 Humboldt Near summit of Orick Hill on road to Weithchpec. 304 Comment
  CHSC19736  Gaultheria shallon Gary J. Stebbins 1970-2-2 4 Humboldt Along U.S. 101 across from Patricks Point State Park. 38 Comment
  CHSC27892  Gaultheria shallon Susan Perkins 1978-4-25 41 Humboldt Redwood Park, e end of 13th St., Arcata, .8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  HSC73457  Gaultheria shallon Grunert 38 Humboldt Jolly Giant Creek, Arcata city limit, on Jolly Giant Rd. near HSU Comment
  HSC76367  Gaultheria shallon Teresa Prendusi 1981-7-23 357 Humboldt Near Black Mountain. 890 Comment
  RSA249502  Gaultheria shallon R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35131 Humboldt Wailaki Recreation site. 518 Comment
  RSA257020  Gaultheria shallon Gary D. Wallace, Larry E. DeBuhr, G. Ansley Wallace 1972-5-22 1065 Humboldt Between Big Lagoon Co. Pk. and Hwy 101, south of Orick. Comment
  UC1197591  Gaultheria shallon Joseph P. Tracy 1911-7-11 3505 Humboldt near Willow Creek (at w side of Trinity River, ridge between Brett's Ranch and Hoopa Valley); Northern Coast Ranges, Trinity River 304 Comment
  UC1541490  Gaultheria shallon W. K. Parks 1932-6-1 1404 Humboldt vicinity of Trinidad Comment
  HSC55150  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-8-1 12087 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC422799  Gayophytum heterozygum Chesnut and Drew Humboldt Comment
  SDSU7758  Genista monspessulana Leslie Hickson 1990-4-18 15 IV90B Humboldt Oak Street 0.3 miles north of Freshwater school. Left sid of the road ca. 20 feet from the shoulder of the road. Eureka. Comment
  UCD105709  Genista monspessulana Collector unknown Date unknown s.n. Humboldt location unknown. Comment
  RSA13517  Gentiana newberryi H. E. Parks 1931-07 1052 Humboldt Bishop Pine Lodge, Trinidad. 76 Comment
  RSA75630  Geranium oreganum Albert M. Vollmer, L. Beane 1951-6-6 107 Humboldt On road between Orick and Weitchpec. Comment
  UC1198722  Geum macrophyllum Joseph P. Tracy 1936-8-7 15086 Humboldt head of Little Hors-Linto Creek, Trinity Summit Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  SEINET200731  Gilia capillaris Joseph P. Tracy 1933-7-25 12866 Humboldt Grouse Mtn. 1524 Comment
  HSC32885  Gilia capitata Thomas W. Nelson, James Nelson 1973-5-28 937 Humboldt McKeown Ranch N of Dinsmore Comment
  BLMAR590  Gilia capitata subsp. capitata Jennifer Wheeler 2010-7-13 590 Humboldt King range, along Panther Gap Road 792 Comment
  SD42478  Gilia capitata subsp. chamissonis Carl B. Wolf 1937-8-11 8901 Humboldt Fleener creek, 1/2 mi. South of Centerville 46 Comment
  CAS-BOT-BC226143  Gilia capitata subsp. pacifica Carl B. Wolf 1937-8-11 8901 Humboldt Fleener Creek, 1/2 mi. So. of Centerville 45 Comment
  CAS-BOT-BC226151  Gilia capitata subsp. pacifica Doris K. Kildale 1927-5-15 3295 Humboldt Mattole River Valley Comment
  RSA63402  Gilia capitata subsp. pacifica C. B. Wolf 1939-7-8 9519 Humboldt Devil's Gate, south of Cape Mendocino. 8 Comment
  HSC104328  Gilia capitata subsp. pacifica James Regan, Humboldt Redwood Co., LLC 2010-6-23 24 Humboldt Monument Ridge, near Brushy Creek 915 Comment
  HSC100593  Gilia inconspicua Carl C. Marshall 1885-5-11 36 Humboldt Peninsula near Fairhaven. Comment
  UC1197908  Gilia millefoliata Joseph P. Tracy 1946-6-2 17554 Humboldt sand dunes near Samoa; on Humboldt Bay, near Samoa 6 Comment
  CAS-BOT-BC123798  Gilia millefoliata var. maritima Harley Pierce Chandler 1901-5-1 1135 Humboldt North Coast Ranges, Humboldt Bay 3 Comment
  UC169033  Githopsis specularioides J. P. Tracy 1903-5-23 1906 Humboldt Alder Point Eel River 152 Comment
  SEINET10464626  Githopsis specularioides Chandler CHANDLER 1345 Humboldt Hupa Indian Reservation 152 Comment
  UC1409059  Glebionis segetum Robert F. Thorne and P. Everett 1965-8-8 35270 Humboldt n edge of Eureka (e of Hwy. 101) 4 Comment
  CAS-BOT-BC218431  Glehnia littoralis subsp. leiocarpa L. R. Abrams 1916-7-18 6140 Humboldt At Trinidad Comment
  CAS-BOT-BC218435  Glehnia littoralis subsp. leiocarpa Carl B. Wolf 1937-6-18 8906 Humboldt Centerville Beach 3 Comment
  CDA2166  Glyceria declinata E. C. Whitney 1968-7-16 Humboldt Arcata Bottom area. 0 Comment
  HSC10079  Glyceria fluitans J. P. Tracy 1933-7-20 19801 Humboldt Arcata bottom 15 Comment
  RSA249512  Gnaphalium palustre R. F. Thorne, Percy C. Everett 1965-8-7 35227 Humboldt Samoa Peninsula. 3 Comment
  CDA6062  Gnaphalium stramineum T. C. Fuller 1961-9-28 7059 Humboldt 1.5 miles south of Samoa. 0 Comment
  SEINET8726298 Image available Godetia amoena S. K. Harris 1936-1 s.n. Humboldt On south side of Domingo Gulch on road from Petrolia to Cape Mendocino, 30 Comment
  SEINET8726302 Image available Godetia quadrivulnera C. C. Harris, S. K. Harris, J. P. Tracy 1942-1 s.n. Humboldt 7 miles north and 5 miles east of Willow Creek 165 Comment
  HSC34239  Goodyera oblongifolia J. D. Ackerman 1975-8-24 648 Humboldt Intersection of Hwy. 255 to Samoa Bridge and Samoa Blvd. Comment
  JEPS4221  Gratiola ebracteata J. P. Tracy 1908-6-7 2618 Humboldt Butler Valley , Butler Valley (Mad River) 152 Comment
  CAS-BOT-BC304732  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1934-4-11 1321 Humboldt Eureka Comment
  HSC90398  Grindelia hirsutula Jean Hanson 1980-8-28 115 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. Across from the Guard Station. From ca. 20 to ca. 50 ft. from high tide line. Comment
  UC1199435  Grindelia hirsutula Joseph P. Tracy 1938-6-17 15955 Humboldt s point of Cape Mendocino Cape Mendocino (in exposed situations near ocean shore) 3 Comment
  UC1541451  Grindelia hirsutula H. E. and S. T. Parks 1930-9-14 773 Humboldt n shore Big Lagoon Comment
  UC520410  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-9 3686 Humboldt Eureka; salt meadows along canal Comment
  UC774622  Grindelia hirsutula Carl B. Wolf 1937-9-12 Humboldt 1 mi s Arcata (on road to Eureka); Humboldt Bay 3 Comment
  RSA134602  Grindelia stricta var. stricta Percy C. Everett, E. K. Balls 1959-10-25 23967 Humboldt 6 miles NE of Eureka, U.S. Hwy101. Comment
  HSC61032  Hastingsia alba T. Jimerson, J. Pageau 1979-8-10 731 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  UC450223  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-23 5287 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  CAS-BOT-BC306611  Helenium bigelovii Paul F. Covel 1937-7-14 1047 Humboldt Loleta Comment
  CAS-BOT-BC306615  Helenium bigelovii Joseph P. Tracy 1937-8-12 15657 Humboldt Snow Camp 1402 Comment
  HSC74414  Helenium bigelovii Gail Newton 1980-8-10 2032 Humboldt Near Blake Mtn. 1707 Comment
  JEPS35025  Helenium bigelovii Joseph P. Tracy 1930-7-16 8936 Humboldt at McKay Camp South Fork Mountain 1676 Comment
  CAS-BOT-BC306618  Helenium bigelovii Henry M. Pollard 1947-8-31 s.n. Humboldt Klamath River bar nr. Woodson's placer mine, Orleans region Comment
  UC582669  Helenium bigelovii Joseph P. Tracy 1930-7-16 8936 Humboldt wet meadow at McKay Camp; South Fork Mountain 1676 Comment
  HSC5768  Helenium bolanderi H. E. Parks, J. P. Tracy 1937-6-16 15431 Humboldt Trinidad 61 Comment
  CAS-BOT-BC306871  Helenium bolanderi L. R. Abrams; R. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  SEINET11840975  Helenium bolanderi J. P. Tracy 1901-1 1204 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC309415  Helenium puberulum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC32149  Hemizonella minima D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5612 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  CAS-BOT-BC306035  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Northern Coast Ranges. Dobbyn Creek 152 Comment
  UC275464  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-7-12 7200 Humboldt near the s fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 304 Comment
  CAS-BOT-BC306038  Hemizonia congesta subsp. clevelandii Doris K. Kildale 1925-8-2 1308 Humboldt Head of South Yager Creek 914 Comment
  CAS-BOT-BC306183  Hemizonia congesta subsp. congesta J. Clausen 1932-9-18 679 Humboldt 4 miles southwest of Capetown on the road to Petrolia 213 Comment
  HSC71740  Hemizonia congesta subsp. tracyi M. A. Baker 1980-6-26 2420 Humboldt Near Sims Creek 610 Comment
  JEPS12644  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1931-6-28 9598 Humboldt lower foothills of its nw slope Buck Mountain 762 Comment
  UC275452  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-7-18 7215 Humboldt Cape Ridge Northern Coast Ranges, Cape Mendocino 304 Comment
  UCD132992  Hemizonia congesta subsp. tracyi R. N. Raynor 1935-1 s.n. Humboldt above Fort Seward. 762 Comment
  POM193009  Hemizonia tracyi H. E. Parks 1930-5-25 0880 Humboldt Near Bridgeville. Comment
  HSC102168  Heracleum maximum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1080 Humboldt Patterson Meadows 1555 Comment
  RSA43856  Herniaria hirsuta subsp. cinerea H. M. Pollard 1948-8-10 s.n. Humboldt Whittaker s Roost (mining claim near Orleans). Comment
  HSC98193  Hesperocyparis macrocarpa Will Ferrand 2002-4-27 44 Humboldt HSU Campus, 100ft W of library 24 Comment
  RSA151709  Hesperolinon micranthum Joseph P. Tracy 1908-6-27 2820 Humboldt Northwest slope of Buck Mountain. 915 Comment
  UC34985  Hesperolinon micranthum Hy-Am Pum July 1888 Humboldt Comment
  JEPS2487  Heterotheca oregona var. oregona Joseph P. Tracy 1933-10-15 13097 Humboldt Miranda South Fork of Eel River 121 Comment
  RSA15557  Heterotheca oregona var. rudis C. B. Wolf 1927-8-30 1228 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
  UC1199410  Heterotheca oregona var. rudis Joseph P. Tracy 1939-8-5 16389 Humboldt Dinsmore's Van Duzen River 737 Comment
  UC1198856  Heuchera merriamii Joseph P. Tracy 1932-7-18 10715 Humboldt head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC20191  Heuchera micrantha D. E. Anderson 1962-5-1 2200 Humboldt 1 mi. W of Hoopa Comment
  SEINET9736844  Heuchera micrantha Unknown 1923-6-27 6379 Humboldt Trinity River Valley, near the South Fork 183 Comment
  UC902003  Heuchera micrantha Joseph P. Tracy 1947-4-27 17673 Humboldt roadside near top of Wolverton Gulch (1/2 mi w of tow) 152 Comment
  CAS-BOT-BC420725  Heuchera micrantha var. diversifolia Lincoln Constance; Reed C. Rollins 1942-5-12 2883 Humboldt Mouth of Bluff Creek, 6 miles NE of Weitchpec 152 Comment
  HSC56114  Heuchera rubescens Gilbert Muth 1979-8-1 11884 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC56213  Heuchera rubescens G. L. Clifton, Griswold 1979-8-2 12222 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC81930  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4947 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  SBBG8341  Hieracium albiflorum H. and M. Dearing 1939-5-24 3414 Humboldt Redwood Hwy, S of Dyerville Comment
  UC165198  Hieracium scouleri Joseph P. Tracy 1908-7-1 2891 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  HSC89550  Holcus lanatus M. Roantree 1985-5-7 42 Humboldt SW side of Trinidad Head, along trail Comment
  SEINET181174 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-9 15059 Humboldt Clam Beach; 15 miles north of Eureka. Comment
  POM368001  Holodiscus discolor Patricia Wilder 1968-8-22 4420 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  UC1198704  Holodiscus discolor Joseph P. Tracy 1911-7-5 3293 Humboldt near mouth of Willow Creek (Northern Coast Ranges, Valley of Trinity River); Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC154212  Holodiscus discolor J. P. Tracy 1909-7-3 3002 Humboldt immediate vicinity of Eureka (near Ocean View Cemetery) 0 Comment
  HSC10162  Hordeum brachyantherum C. E. Fellows 1965-5-18 85 Humboldt 50 yds. E of intersection of Bayside Cutoff and Hwy. 101 Comment
  SEINET200842 Image available Hordeum brachyantherum Joseph Tracy, Roland von Bothmer; 1980 1933-6-6 12508 Humboldt unspecified 9 Comment
  UC38668  Hordeum brachyantherum subsp. brachyantherum Schmidt Humboldt Humboldt Bay Comment
  HSC70402  Hordeum marinum subsp. gussoneanum M. A. Baker 1980-6-7 1843 Humboldt Near Ammon Creek 732 Comment
  CAS-BOT-BC536630  Horkelia californica Joseph P. Tracy 1937-8-22 15672 Humboldt Foot of low hills south of Fields Landing 6 Comment
  CDA25952  Horkelia tridentata subsp. flavescens G. Levy, S. March 2005-6-24 15 Humboldt Northwestern California Comment
  UC1239759  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1932-7-11 10422 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  UC1762196  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1932-7-15 10602 Humboldt Trinity Summit, ridges E of Corral Prairie 1828 Comment
  HSC32280  Hydrophyllum occidentale D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5622 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC53870  Hypericum anagalloides Griswold, Butler 1979-7-10 6350 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC74685  Hypericum anagalloides Gail Newton 1981-8-7 2457 Humboldt Near Board Camp Mtn. 1478 Comment
  UC668261  Hypericum anagalloides Joseph P. Tracy 1933-8-6 12945 Humboldt French Camp Ridge 1066 Comment
  HSC91879  Hypericum anagalloides E. Mackey 1987-8-29 Humboldt Patrick's Point State Park, in woods near Palmer's Point Comment
  UC722736  Hypericum anagalloides C. L. Hitchcock and J. S. Martin 1939-7-14 5442 Humboldt 7 mi. e. Shelter Cove 243 Comment
  RSA12422  Hypericum androsaemum C. B. Wolf 1934-7-2 5874 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC1198404  Hypericum formosum var. scouleri Joseph P. Tracy 1920-7-25 5345 Humboldt Dows Prairie Northern Coast Ranges, Humboldt Bay, Dows Prairie 60 Comment
  HSC13844  Hypericum perforatum F. Morrell 1949-5-14 22 Humboldt Weitchpec Comment
  UC1198399  Hypericum perforatum Joseph P. Tracy 1934-7-2 13290 Humboldt Trinidad 3 Comment
  UC420732  Hypericum perforatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5715 Humboldt Hoopa Valley North Coast Ranges, Hoopa Valley Comment
  RSA245281  Hypericum perforatum J. D. Ackerman, A. M. Montalvo 1973-6-17 57 Humboldt 1 mile west of Redwood Creek, along highway 299. Comment
  CAS-BOT-BC312888  Hypochaeris glabra Barry Silver 1986-5-18 602 Humboldt Bull Creek Flats Road, 100 yds. w. of junction with Highway 101 Comment
  RSA246946  Hypochaeris radicata R. F. Thorne, P. C. Everett 1965-8-8 35235 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  NY177411  Iliamna rivularis var. rivularis H. N. Mozingo 1976-6-28 76100 Humboldt Outside of Humboldt National Forest, at roadside near Solid Silver Creek 1691.6 Comment
Read comments
Feb 27 2012
  HSC48816  Ipomopsis aggregata Brad Klipfel 1973-7-31 230 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC2043019  Iris chrysophylla Barbara Ertter with Thomas J. Delendick 1987-5-16 6940 Humboldt Ca. 3 mi E of Berry Summit on Highway 299, ca. 20 air miles E of Arcata on S side of road above Willow Creek. Comment
  HSC13857  Iris douglasiana Elrid H. Spinas 1948-6-16 59 Humboldt Horse Mtn. Comment
  HSC13865  Iris douglasiana J. J. Wagoner 1965-4-3 9 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park 24 Comment
  HSC47580  Iris douglasiana Sheila Logan 1978-4-10 176 Humboldt Redwood Park behind HSU campus Comment
  UC1196394  Iris douglasiana Joseph P. Tracy 1934-8-31 13644 Humboldt Kneeland Prairie 762 Comment
  UC275569  Iris douglasiana Joseph P. Tracy 1923-6-20 6306 Humboldt White Thorn Valley; Northern Coast Ranges 304 Comment
  HSC32383  Iris douglasiana Linda M. Barker 1974-5-11 185 Humboldt Redwood National Park, W of Bald Hills Rd., NW of Gans Prairie 366 Comment
  UCD170782  Iris douglasiana Gordon Leppig 1998-5-7 752 Humboldt Quarry Rd. off Jacoby Creek. Road cut 50 m east of log pond. 97 Comment
  HSC65228  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-5-1 441 Humboldt 6.05 mi. N of Hwy. 96 on Ishi Pishi Rd., Orleans Comment
  JEPS93202  Iris tenax subsp. klamathensis Carol A. Wilson 1986-5-15 86 -4 Humboldt near Orleans (along road (Orleans Alternate/Ishi Pishi Rd) where crosses Ishi Pishi Bridge just s of Somes Bar); Orleans Alternate/Ishi Pishi Rd Comment
  UC1173727  Isatis tinctoria Joseph P. Tracy 1939-4-29 16239 Humboldt Klamath River at mouth of Slate Creek; Klamath River, Slate Creek 121 Comment
  JEPS93173  Isolepis cernua Margriet Wetherwax and Kevin Downing 1993-8-9 2454 Humboldt s side of slough just past Pigeon Point (e side of road, near Bayside Rd and Myrtle, e side of bay, just n of Eureka); Humboldt Bay, Eureka Slough 5 Comment
  CAS-BOT-BC340157  Jaumea carnosa Joseph P. Tracy 1939-8-6 16399 Humboldt Big Lagoon 6 Comment
  HSC83037  Jaumea carnosa A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  UC479412  Jaumea carnosa Marcus E. Jones, A. M. 1931-7-16 29118 Humboldt Arcata Comment
  UCR122380  Jaumea carnosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 7004 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  RSA168844  Juncus articulatus Joseph P. Tracy 1938-8-14 16114 Humboldt Hillside west of mouth of South Fork. Trinity River Valley , near the South Fork 183 Comment
  RSA168858  Juncus bufonius Joseph P. Tracy 1927-6-19 8197 Humboldt Big Lagoon. Comment
  UCD141361  Juncus bufonius Linda M. Barker 1976-6-1 1551 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC78252  Juncus bufonius var. bufonius L. P. Janeway, Paul Wilson 1984-5-25 820 Humboldt N Spit of Humboldt Bay; BLM lands near the Coast Guard Station 5 Comment
  HSC102141  Juncus confusus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1046 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC98006  Juncus covillei Cara Witte 2007-7-12 516 Humboldt Forest Service Road 5N10. 2 miles east of intersection with National Forest 1. 1339 Comment
  UC1103048  Juncus covillei var. obtusatus Joseph P. Tracy 1918-7-5 5000 Humboldt White Thorn Valley Northern Coast Ranges 304 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
  SDSU11740  Juncus effusus var. brunneus D. F. Howe 1961-8-2 3119 Humboldt 8.5 miles east of Orick on Bald Mt. road. 610 Comment
  HSC91871  Juncus ensifolius E. Mackey 1987-7-4 Humboldt Patrick's Point State Park, N of Wedding Rock Comment
  RSA168867  Juncus hesperius Joseph P. Tracy 1938-6-15 15938 Humboldt Carlotta. 61 Comment
  UC1103054  Juncus hesperius Joseph P. Tracy 1901-7-29 1229 Humboldt Eureka Northern Coast Region 0 Comment
  HSC63849  Juncus laccatus M. A. Baker 1979-6-27 918 Humboldt Comment
  HSC90686  Juncus lescurii Gail Newton 1982-5-31 3553 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC57975  Juncus mertensianus G. L. Clifton, Griswold 1979-7-31 11679 Humboldt Near the Trinity Summit Guard Station, close to the town of Hoopa. 1804 Comment
  UC212987  Juncus mertensianus Joseph P. Tracy 1919-9-22 5265 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UC183658  Juncus occidentalis Joseph P. Tracy 1912-7-21 3788 Humboldt Alton Northern Coast Ranges 30 Comment
  RSA298328  Juncus patens J. P. Smith, Advanced Plant Taxonomy Class 1971-10-9 5034 Humboldt Mad River above the Fish Hatchery. Comment
  UC201996  Juncus saximontanus Joseph P. Tracy 1918-7-5 5027 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
Read comments
Dec 13 2006
  CAS-BOT-BC235884  Keckiella corymbosa H. L. Mason 1928-7-14 4900 Humboldt East Fork of the Eel River near Garberville Comment
  CAS-BOT-BC235890  Keckiella corymbosa Carl D. Duncan 1920-9-21 333 Humboldt Hoopa Comment
  HSC50858  Keckiella corymbosa Walter Overton, Marvin Butler 1979-7-25 9882 Humboldt Near Sims Mtn., close to the town of Willow Creek 1296 Comment
  RSA79773  Keckiella corymbosa F. W. Peirson 1926-7-13 7060 Humboldt Mad River, near Blue Lake. Comment
  SBBG26952  Keckiella corymbosa C. B. Wolf 1927-8-30 Humboldt 2 mi S of Petrolia on Mattole River near where road crosses river Comment
  SD87720  Keckiella corymbosa Frank W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec Comment
  UC146235  Keckiella corymbosa Joseph P. Tracy 1908-7-31 2935 Humboldt Bridgeville Northern Coast Ranges (rocks along Van Duzen River) 152 Comment
  JEPS11333  Kickxia elatine Joseph P. Tracy 1934-6-22 13246 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC1222453  Kickxia elatine Joseph P. Tracy 1934-8-14 13572 Humboldt Alton North Coast Ranges (along Van Duzen River) 30 Comment
  CHSC79872  Kniphofia uvaria Gordon Leppig; Sylvia Leppig 2000-4-9 1287 Humboldt Arcata Marsh and Wildlife Refuge, South east corner of Klopp Lake dike, UTM zone 10, 4524N, 407E. 0 Comment
  UC50518  Koeleria macrantha Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5771 Humboldt Trinity Summit Comment
  CAS-BOT-BC273598  Koeleria pyramidata Harley P. Chandler 1901-6-1 1342 Humboldt North Coast Ranges. Hupa Indian Reservation 304 Comment
  JEPS38993  Lagophylla ramosissima W. L. Jepson 1932-8-8 16482 Humboldt Canoe Creek; Grasshopper Peak 1066 Comment
  CAS-BOT-BC341441  Lagophylla ramosissima Henry M. Pollard 1945-8-27 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon Comment
  HSC34652  Lamium purpureum A. M. Montalvo 1975-4-10 205 Humboldt Vacant lot bordering HSU campus between Union St. and A St. 15 Comment
  UC166224  Lasthenia californica subsp. californica J. P. Tracy 1901-5-18 1099 Humboldt Ocean beach Samoa; Opp. Eureka Comment
  UC552256  Lasthenia glaberrima Harold E. Parks and Joseph P. Tracy 1935-6-16 11274 Humboldt lower nw slopes Buck Mt. 792 Comment
  HSC26359  Lasthenia maritima T. O. Osborne 1970-6-18 47 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  HSC71352  Lathyrus latifolius J. P. Smith, J. O. Sawyer 1976-5-2 8622 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  UC1128970  Lathyrus littoralis H. S. Yates 1936-6-16 5658 Humboldt 0.5 mi sw Samoa; Eureka Quad. 3 Comment
  UCSB15805  Lathyrus littoralis Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC709414  Lathyrus palustris Joseph P. Tracy 1940-9-26 16727 Humboldt Eureka Comment
  UC15347  Lathyrus polyphyllus H. N. Bolander 1866-1 6508 Humboldt Little Bear Harbor Comment
  UCR84790  Lathyrus tingitanus Kathy Harper 1992-5-14 s.n. Humboldt Coast Range, Van Duzen River, c. 1.5 mi. west of Bridgeville on State Hwy 36 195 Comment
  UC931682  Lathyrus torreyi C. L. Hitchcock 1949-6-7 19084 Humboldt ca 15 mi e Blue Lake (along Highway 299) Comment
  NY73892  Lathyrus torreyi H. N. Bolander 1866-1 6506 Humboldt Thickets near the coast Comment
  RSA168908  Lathyrus torreyi Joseph P. Tracy 1942-6-28 17272 Humboldt On Murphy Ridge beyond the meadows. Comment
  UC931756  Lathyrus vestitus C. L. Hitchcock 1949-6-8 19096 Humboldt 2 mi w Blue Lake (along Highway 299) Comment
  HSC81966  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4942 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UCSC000375  Lathyrus vestitus subsp. bolanderi Charisse Bickford 1978-8-14 s.n. Humboldt Eureka, Korbel Comment
  CAS-BOT-BC325927  Layia carnosa W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  SEINET3374979 Image available Lemna minor Joseph P. Tracy 1932-8-21 10370 Humboldt Three Cabins Ranch; on E side of Mad River on W slope of Chaparral Mt. 457 Comment
  CAS-BOT-BC534923  Lemna turionifera L. R. Abrams; R. Bacigalupi 1958-6-17 8271 Humboldt Big Lagoon south of Orick Comment
  UCD133993  Leontodon saxatilis H. S. Reed 1941-7-26 s.n. Humboldt near Trinidad. Comment
  HSC89416  Leontodon saxatilis subsp. saxatilis P. A. Daly 1986-1-20 45 Humboldt Trinidad Head, along trail 61 Comment
  CAS-BOT-BC88801  Lepidium campestre M. S. Jussel 1931-5-2 s.n. Humboldt 20 miles north of Garberville. Comment
  CAS-BOT-BC12877  Lepidium strictum Joseph P. Tracy 1941-5-4 16866 Humboldt Scotia. 30 Comment
  HSC79326  Lessingia nemaclada D. K. Imper 1982-8-27 Humboldt 1.5 mi. S of junction with FS 2S05 on FS 8E05, Six Rivers National Forest. Comment
  UC205156  Lessingia nemaclada Joseph P. Tracy 1919-9-14 5211 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  CHSC299  Leucanthemum vulgare M. Underhill 1952-7-14 Humboldt Field. 15 Comment
  HSC91923  Leucanthemum vulgare E. Mackey 1986-7-21 Humboldt Patrick's Point State Park near Ceremonial Rock. Comment
  HSC89757  Leucanthemum vulgare M. Roantree 1985-5-15 49 Humboldt E side of Trinidad Head. Comment
  UCSB6440  Leucanthemum vulgare Keator, Glenn 1958-6-18 Humboldt In fields from Mendocino county north through Washington, these collected at Petrolia Comment
  HSC48404  Lewisia leeana Brad Klipfel 1973-6-10 94 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1197175  Ligusticum apiifolium J. P. Tracy 1902-7-4 1756 Humboldt immediate vicinity Eureka 0 Comment
  HSC70658  Ligusticum californicum Gail Newton 1980-7-14 1539 Humboldt Near Deadman Ridge 1097 Comment
  UC1197169  Ligusticum grayi Joseph P. Tracy 1932-7-12 10444 Humboldt Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC130644  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  CAS-BOT-BC130689  Lilium occidentale Doris K. Kildale 1925-6-30 1384 Humboldt On road to Humboldt Country Club 7 miles south of Eureka Comment
  CAS-BOT-BC130730  Lilium pardalinum Volney Rattan 1878-6-16 s.n. Humboldt Arcata Comment
  HSC54016  Lilium pardalinum subsp. pardalinum Griswold, Butler 1979-7-12 7158 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1198230  Lilium rubescens Joseph P. Tracy 1914-9-6 4616 Humboldt Bald Mountain Northern Coast Ranges (between High Prairie and Snow Camp) 1066 Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  CAS-BOT-BC133010  Lilium washingtonianum subsp. purpurascens Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1676 Comment
  SEINET6950811  Limnanthes douglasii Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC146167  Linanthus androsaceus J. P. Tracy 1908-6-7 2606 Humboldt mouth of Maple Creek Mad River, Maple Creek 152 Comment
  JEPS58249  Linanthus bicolor Joseph P. Tracy 1933-6-13 12576 Humboldt near summit on road from Hoopa w to Bair's; Hoopa Mountain 1066 Comment
  JEPS58421  Linanthus filipes W. L. Jepson 1902-7-11 2016 Humboldt Martin's Ranch South Fork of Trinity River Comment
  JEPS11330  Linaria vulgaris Milo S. Baker 1923-8-4 171 Humboldt Stone Lagoon; North Coast, Stone Lagoon Comment
  HSC15802  Linum bienne F. B. Plett 1963-4-9 15 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 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
  HSC46152  Linum bienne J. P. Smith 1973-5-26 6828 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC48978  Listera caurina Rudolf W. Becking 1979-7-15 Humboldt Fish Lake 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
  UC1196485  Lithophragma affine Joseph P. Tracy 1913-6-14 4118 Humboldt opposite Buck Mountain (Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1196482  Lithophragma affine Joseph P. Tracy 1919-5-31 5165 Humboldt along Willow Creek (near its mouth, tributary of Trinity River); Northern Coast Ranges, , trib Trinity River 152 Comment
  UC1223117  Logfia gallica Joseph P. Tracy 1948-6-13 18038 Humboldt along Larrabee Cr, halfway between Bridgeville and Blocksburg; Larrabee Creek Comment
  CAS-BOT-BC283406  Lolium multiflorum A. A. Heller 1923-7-9 13779 Humboldt In a salt flat between Eureka and Arcata Comment
  UC249793  Lolium perenne Joseph P. Tracy 1923-8-25 6539 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC1103158  Lolium temulentum Joseph P. Tracy 1909-8-1 3064 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCD66673  Lolium temulentum M. A. Jargas 1926-6-8 Humboldt Happy Valley. Comment
  SEINET12118791  Lomatium dasycarpum J. P. Tracy 1950-1 19000 Humboldt on Albee Road, 2 mi S of Burr Valley Comment
  HSC31213  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson 1972-6-20 5735 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  RSA226615  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson 1965-5-1 3588 Humboldt Along Highway 96, 3-4 miles south of Weitchpec Comment
  JEPS14246  Lomatium dissectum var. dissectum Joseph P. Tracy 1930-6-29 8808 Humboldt lower foothhills of Buck Mt. (on its n.w. slope); Northern Coast Ranges, Buck Mt. 762 Comment
  JEPS16238  Lomatium dissectum var. dissectum Milo S. Baker 1923-7-20 57 Humboldt Redwood House on Yager Creek; North Coast, Redwood House Comment
  UC642280  Lomatium dissectum var. dissectum Joseph P. Tracy 1930-6-29 8808 Humboldt lower foothills on n.w. slope Buck Mt.; Northern Coast Ranges, Buck Mt. 762 Comment
  HSC70249  Lomatium macrocarpum M. A. Baker 1980-6-8 1914 Humboldt Near Buck Flat. 1554 Comment
  HSC97232  Lomatium macrocarpum Kiera Freeman, Heather J. Perry 2007-6-4 1 Humboldt Cold Springs Camp, 8.0 mi. S of Hwy. 299 on NF1 1372 Comment
  UC1222607  Lomatium macrocarpum Joseph P. Tracy 1951-6-24 19537 Humboldt atop ridge near Ashfield Butte (Kneeland Prairie); Kneeland Prairie 1676 Comment
  UC412762  Lomatium macrocarpum Joseph Burtt Davy and Walter C. Blasdale 1899-7-19 5667 Humboldt Hoopa Mt. Comment
  OBI81634  Lomatium utriculatum Tracey Call, Viola Call 1964-6-19 2271 Humboldt Dry, west-facing hillside 1 mile north of Harris P.O. and ca 3.5 miles south of Harris Jct. Comment
  CAS-BOT-BC241402  Lonicera David D. Keck 1948-7-1 5975 Humboldt South side of Big Lagoon Comment
  CAS-BOT-BC240474  Lonicera hispidula A. A. Heller 1923-7-10 13799 Humboldt Along a small stream emptying into the Eel River between Scotia and Pepperwood Comment
  UC535759  Lonicera hispidula var. vacillans Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  SD88367  Lonicera involucrata Darley F. Howe 1972-5-7 Humboldt Trinidad head light station. Comment
  CAS-BOT-BC241482  Lonicera involucrata var. ledebourii Mrs. A. H. Rodda 1932-5-22 s.n. Humboldt Redwood Highway Comment
  CAS-BOT-BC241487  Lonicera involucrata var. ledebourii Doris K. Kildale 1927-3-25 3002 Humboldt Humboldt Hill near Humboldt Bay Comment
  HSC59044  Lonicera involucrata var. ledebourii Thomas Wood 1979-4-20 123 Humboldt Along frontage Rd., parallel and E of Hwy. 101 at Patrick Creek Drive intersection, S of Patrick Creek. 6 Comment
  HSC26918  Lotus corniculatus Brad Klipfel 1973-7-30 219 Humboldt Samoa Comment
  UC1223431  Lotus denticulatus Joseph P. Tracy 1941-6-29 16943 Humboldt 2 mi nw of Valley proper Van Duzen River (along Van Duzen River) Comment
  UC1197290  Lotus humistratus Joseph P. Tracy 1901-8-2 1239 Humboldt near Hydesville; Northern Coast Region, Van Duzen River, Yager Creek 60 Comment
  JEPS55745  Lotus purshianus var. purshianus Lincoln Constance 1934-5-26 667 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  SEINET3560048 Image available Lotus stipularis var. subglaber Joseph P. Tracy 1927-8-22 8354 Humboldt Bald Mt. 914 Comment
  SEINET3559880 Image available Lotus tenuis Joseph P. Tracy 1950-9-22 19345 Humboldt Field's Landing, 2 mi S of town 6 Comment
  HSC28181  Lotus uliginosus Richard Curtis 1973-9-27 16 Humboldt Arcata, on the N side of 7th St. just before it crosses the freeway. Comment
  HSC57342  Lotus unifoliolatus var. unifoliolatus Overton, Butler 1979-7-26 10118 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC162810  Lotus wrangelianus Joseph P. Tracy 1909-5-16 2967 Humboldt near Trinidad; Northern Coast Ranges 15 Comment
  UC1196933  Ludwigia palustris Joseph P. Tracy 1931-9-7 9665 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  RSA254752  Lupinus Thomas W. Nelson, James Nelson, A. Nelson 1973-5-28 955 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC503011  Lupinus albifrons Joseph P. Tracy 1932-5-1 9874 Humboldt Garberville; Northern Coast Ranges, Garberville 121 Comment
  CDA27377  Lupinus arboreus T. C. Fuller 1961-9-28 7052 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  CHSC55898  Lupinus arboreus L. P. Janeway 1987-7-31 2547 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC49089  Lupinus arboreus Patricia Shesgreen 1978-8-12 135 Humboldt 1/2 mi. E of Samoa Cookhouse on Vance Ave., Samoa. Comment
  OBI19297  Lupinus arboreus P. C. Everett & E. Norland, E. Norland 1941-1-23 9854 Humboldt Flat in nursery. In sand & leafmold Comment
  RSA89761  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19881 Humboldt North of Samoa. Comment
  HSC31789  Lupinus bicolor Donald Spalinger 1974-4-25 25 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  BLMAR611  Lupinus bicolor Jennifer Wheeler 2011-4-22 611 Humboldt King range, Strawberry Rock 243 Comment
  HSC14788  Lupinus bicolor C. E. Fellows 1965-5-19 87 Humboldt 1.6 mi. S of 7th St. on Hwy. 101 at bridge, E side of Hwy., S side of bridge Comment
  UC156990  Lupinus bicolor Joseph P. Tracy 1900-6-5 838 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  HSC58640  Lupinus latifolius G. L. Clifton, Griswold 1979-7-31 11636 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC74225  Lupinus latifolius subsp. viridifolius M. A. Baker 1980-7-22 3076 Humboldt Near Salmon Mtn. 1820 Comment
  RSA32650  Lupinus luteolus Doris K. Kildale 1926-7-11 2347 Humboldt Bear River at Capetown. Comment
  UCD108608  Lupinus luteolus R. Tofsrud 1951-1 s.n. Humboldt Exact location unknown. Comment
  UC150118  Lupinus nanus Harley P. Chandler June, 1901 1314 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC180172  Lupinus rivularis Joseph P. Tracy 1914-6-14 4507 Humboldt Hydesville; Northern Coast Ranges, Hydesville 60 Comment
  UC503019  Lupinus rivularis Joseph P. Tracy 1927-6-18 8189 Humboldt Capetown; Northern Coast Ranges, Capetown 304 Comment
  RSA414240  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane Nelson, A. P. Nelson 1977-7-4 3583 Humboldt Along west side of road north from Alder Springs. 1524 Comment
  HSC2118  Lupinus succulentus J. Wendell Howe Humboldt Cape Mendocino Comment
  RSA167382  Lupinus variicolor Joseph P. Tracy 1938-7-11 16046 A Humboldt Brainards Point, sandy soil along highway between Eureka and Arcata. Comment
  RSA296811  Lupinus viridifolius Lincoln Constance 1934-5-29 714 Humboldt South Fork Eel River, Upper Look Prairie. 366 Comment
  HSC100503  Luzula Carl C. Marshall May 1886 219 Humboldt Gulch E of Arcata. Comment
  HSC14059  Luzula comosa R. I. Bonn 1965-5-7 31 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC14165  Luzula comosa S. R. Johnson 1965-4-30 47 Humboldt 0.5 mi. N of Luffenholtz Beach Comment
  HSC77385  Luzula comosa L. P. Janeway 1983-5-29 321 Humboldt Along Jolly Giant Creek, E of HSU campus 61 Comment
  HSC98577  Luzula comosa Cara Witte 2007-5-26 658 Humboldt National Forest 1. 1 mile north of intersection with Forest Service Road 5N10. 1457 Comment
  UC302166  Luzula parviflora Joseph P. Tracy 1925-7-5 7171 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1152127  Luzula parviflora Joseph P. Tracy 1934-7-12 13376 Humboldt e side Big Lagoon; e side Big Lagoon 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
  HSC36099  Lycopodiella inundata Gerald Fijii 1972-11-4 1 Humboldt Big Lagoon Bog 6 Comment
  UC1239797  Lycopodiella inundata Joseph P. Tracy 1938-7-6 16022 Humboldt Big Lagoon 6 Comment
  LA205867  Lycopodium clavatum Lawrence L. Kiefer; D. Branscomb 1964-5-20 1435 Humboldt near Trinidad, 1 mi E of Moonstone Beach on Kuntz property 152 Comment
  RSA575148  Lycopodium clavatum S. Shushan 1978-8-4 3 Humboldt East of Blue Lake. Comment
  HSC62983  Lysichiton americanus David Wheeler 1979-4-20 Humboldt Clam Beach Ponds, N pond, 0.25 mi. S of Crannel Rd. between the frontage road and Hwy. 101 Comment
  HSC103699  Lysichiton americanus M. R. Mesler 2014-9-3 1638 Humboldt Arcata, Jolly Giant Creek Rd 49 Comment
  UC1222701  Lysichiton americanus Joseph P. Tracy 1950-7-6 18992 Humboldt lower end of Burr Valley Comment
  RSA47139  Madia bolanderi Doris K. Kildale 1925-8-16 1180 Humboldt Trinity Summit, Elk Horn Prairie 1524 Comment
  UC89370  Madia elegans Harley P. Chandler June 1901 1409 Humboldt Klamath River 243 Comment
  SD88396  Madia elegans subsp. vernalis Darley F. Howe 1972-5-6 Humboldt 1.5 miles north of Phillipsville Comment
  HSC49904  Madia exigua Maralyn O'Meara 1973-6-12 203 Humboldt S-facing slope Comment
  SEINET7016732  Madia exigua Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near west end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC343029  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
  HSC71169  Madia gracilis Thomas W. Nelson 1977-5-30 3415 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  JEPS40205  Madia gracilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8957 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  SEINET3148089  Madia gracilis J. B. Davy, W. C. Blasdale 1899-6-19 5674 -C Humboldt Hoopa Mt. Comment
  CAS-BOT-BC343590  Madia sativa J. Clausen 1932-9-18 678 Humboldt 11 miles south of Ferndale on the road to Capetown Comment
  HSC95524  Madia sativa Andrea Pickart 2002-7-19 178 Humboldt Arcata Marsh at end of I St. 10 Comment
  HSC35863  Madia sativa Thomas W. Nelson, Jane P. Nelson 1975-8-5 2131 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  UC1199398  Madia sativa Joseph P. Tracy 1936-6-9 14896 Humboldt at Domingo Hill; North Coast Region, Cape Mendocino 213 Comment
  RSA15574  Mahonia nervosa C. B. Wolf 1927-8-28 1179 Humboldt 13 mi. above Blue Lake on the Lord Ellis Road. Comment
  RSA89891  Mahonia nervosa E. K. Balls, P. C. Everett 1953-10-13 18655 Humboldt 17.4 mi. E of jct Hwys 101 and 299 above Blue Lake. 274 Comment
  CAS-BOT-BC508509  Maianthemum dilatatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC15593  Maianthemum dilatatum S. R. Johnson 1965-4-30 48 Humboldt 2 mi. N of Luffenholtz Beach Comment
  RSA246767  Maianthemum dilatatum Robert F. Thorne, Percy C. Everett 1965-8-7 35178 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  CAS-BOT-BC511453  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-5-19 5154 Humboldt Chalk Mountain Comment
  HSC34159  Maianthemum stellatum Linda M. Barker 1974-5-11 177 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  HSC53946  Maianthemum stellatum Griswold, Butler 1979-7-11 6994 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC70326  Maianthemum stellatum M. A. Baker 1980-6-8 1881 Humboldt Near Buck Flat. 1554 Comment
  CAS-BOT-BC512769  Maianthemum stellatum Carl B. Wolf 1937-6-18 8887 Humboldt Table Bluff between Humboldt Bay and Eel River 30 Comment
  RSA24192  Maianthemum stellatum Carl B. Wolf 1941-3-2 9982 Humboldt Along north bank of the Van Duzen River, 4.8 miles above Carlotta 61 Comment
  JEPS36629  Malacothrix floccifera Lincoln Constance 1934-6-22 777 Humboldt Bull Creek road to mouth of Bull Creek (and up Bull Creek); South Fork Eel River, Bull Creek Region Comment
  UC1239529  Malacothrix floccifera Joseph P. Tracy 1935-7-17 14100 Humboldt Willow Creek Canyon Northern Coast Ranges 304 Comment
  CAS-BOT-BC140140  Malus fusca Doris K. Kildale 1928-9-10 6715 Humboldt Big Lagoon - south end of Comment
  UC1198760  Malus fusca J. P. Tracy 1899-5-14 102 Humboldt Eureka 0 Comment
  HSC65125  Marah oregana J. P. Smith 1971-10-6 4968 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC203561  Marah oregana Joseph P. Tracy 1918-7-14 5077 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC98388  Medicago lupulina Jana Kattenhorn 1970-10-28 144 Humboldt Mad River Bottoms, N Bank off Essex, off Hwy. 299 Comment
  HSC15527  Medicago polymorpha J. Lackey 1971-3-28 10 Humboldt 3 mi. S of Cape Mendocino on Capetown Rd. Comment
  HSC45095  Medicago polymorpha R. Sutherland 1978-5-13 2 .13578 Humboldt 285 Comment
  HSC97924  Melica bulbosa Cara Witte 2007-5-31 144 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
Read comments
May 29 2013
  RSA152371  Melica californica Joseph P. Tracy 1943-5-9 17418 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  RSA123520  Melica geyeri H. S. Yates 1936-6-17 5717 Humboldt Burr Valley 1037 Comment
  CAS-BOT-BC281324  Melica harfordii Doris K. Kildale 1928-6-24 5287 Humboldt Horse Mountain 914 Comment
  UCD87536  Melica harfordii A. H. Murphy 1947-6-17 s.n. Humboldt 1 mile south of Blocksburg. Comment
  SEINET200622 Image available Melica subulata Joseph P. Tracy 1901-5-5 1063 Humboldt Immediate vicinity of Eureka. 0 Comment
  UCD88645  Melica subulata A. H. Murphy 1951-5-15 30 Humboldt 1/2 mile south of South Fork on McCann Road. Comment
  UCD88652  Melica subulata A. H. Murphy 1951-5-18 41 Humboldt K. Roscoe Ranch, Upper Mattole. Comment
  UCD88675  Melica subulata R. Tofsrud 1949-7-1 s.n. Humboldt On road from Scotia to Capetown. Comment
  UC180483  Melica torreyana Joseph P. Tracy 1914-5-14 4451 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  UC1197423  Melilotus albus Joseph P. Tracy 1920-8-15 5359 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  RSA21020  Mentha canadensis Carl B. Wolf 1937-9-12 9320 Humboldt Big Lagoon, south side along Redwood Hwy 6 Comment
  UC1191796  Mentha canadensis Malcolm A. Nobs, S. Galen Smith 1949-8-3 1186 Humboldt at southern outskirts of Eureka Comment
  HSC98868  Mentha pulegium Cara Witte 2008-8-5 991 Humboldt Along National Forest 1 on Kinsey Ridge. 1/2 north of intersection with Forest Service Road 4N06. 1291 Comment
  HSC91898  Menziesia ferruginea E. Mackey 1986-5-13 Humboldt Patrick's Point State Park, Octopus Grove Comment
  JEPS80897  Menziesia ferruginea B. A. Bohm, K. W. Nichols 1981-5-11 1571 C Humboldt Prairie Creek area, Mile 125.00, US Hwy 101 Prairie Creek area; , Mile 125.00, US Hwy 101 Comment
Read comments
Jul 9 2015
  JEPS86110  Menziesia ferruginea Wayne Roderick 1965-6-5 Humboldt 0.5 mi s of Del Norte-Humboldt County line 152 Comment
  CAS-BOT-BC348376  Micropus californicus var. californicus M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  UC1239516  Microseris bigelovii Joseph P. Tracy 1927-6-8 8117 Humboldt Trinidad 3 Comment
  CAS-BOT-BC348835  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
  CAS-BOT-BC322684  Microseris laciniata Lincoln Constance 1934-5-24 624 Humboldt S. slope of Lower Look Prairie, South Fork Eel River 182 Comment
  UC1199451  Microseris laciniata subsp. laciniata Joseph P. Tracy 1933-7-26 12925 Humboldt s slope Grouse Mountain (towards low creek); North Coast Ranges, s slope Grouse Mountain 1219 Comment
  SEINET11810183  Microseris laciniata subsp. leptosepala J. P. Tracy 1947-1 17828 Humboldt Horse Mountain 1128 Comment
  CHSC57440  Microsteris gracilis L. P. Janeway 1984-6-23 899 Humboldt Titlow Hill. 1478 Comment
  HSC102010  Microsteris gracilis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 911 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC20692  Mimulus aurantiacus var. aurantiacus D. E. Anderson 1961-8-25 1755 Humboldt 1.5 miles S of Trinidad. overlooking beach Comment
  HSC22023  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson 1970-10-17 239 Humboldt Mouth of Prairie Creek Comment
  HSC27389  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson 1970-10-31 287 Humboldt Beside railroad tracks at the N end of the Scotia Bluffs Comment
  POM228349  Mimulus aurantiacus var. aurantiacus C. C. Harris, S. K. Harris 1936-6-9 s.n. Humboldt Carlotta. 61 Comment
  UC169016  Mimulus aurantiacus var. aurantiacus Harley P. Chandler 1901-5-22 1240 Humboldt near Nance's; North Coast Ranges, Mad River 91 Comment
  UC1196799  Mimulus breweri Joseph P. Tracy 1912-7-31 3920 Humboldt near summit Buck Mountain; Northern Coast Ranges 1676 Comment
  UC615326  Mimulus cardinalis Beryl O. Schreiber 1932-7-11 364 Humboldt road s Garberville Comment
  HSC20709  Mimulus dentatus R. D. Zortman 1963-5-12 41 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UC147879  Mimulus dentatus J. P. Tracy 1900-5-30 833 Humboldt immediate vicinity Eureka 0 Comment
  UC1103337  Mimulus douglasii Joseph P. Tracy 1930-5-4 8689 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC176955  Mimulus grandis Joseph P. Tracy 1912-6-16 3704 Humboldt region about Humboldt Bay (Hookton); Northern Coast Region 0 Comment
  HSC103078  Mimulus guttatus Sydney Carothers 2014-6-12 11 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  HSC45656  Mimulus guttatus Diane L. Reed 1978-4-22 24 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC71741  Mimulus guttatus M. A. Baker 1980-6-26 2421 Humboldt Near Sims Creek 610 Comment
  RSA454335  Mimulus guttatus R. S. Woglum 1938-8-28 2044 -A Humboldt Grounds of Trinidad State Park, south of Trinidad. (northcentral-coastal Humboldt) Comment
  UC1196831  Mimulus guttatus Joseph P. Tracy 1937-5-31 15324 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1196768  Mimulus inodorus Joseph P. Tracy 1939-8-5 16376 Humboldt Dinsmore's Van Duzen River 731 Comment
  RSA535811  Mimulus kelloggii David M. Thompson 1986-3-26 856 Humboldt Somes Bar. Along Hwy 96, 100 ft S of Siskiyou Co. line; at confluence of Klamath and Salmon rivers. 61 Comment
  UC147923  Mimulus microphyllus Joseph P. Tracy 1908-6 2826 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  HSC56105  Mimulus moschatus G. L. Clifton 1979-7-31 11839 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC147917  Mimulus nasutus Joseph P. Tracy 1903-5-22 1883 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  UC582706  Mimulus nasutus Joseph P. Tracy 1927-3-27 7850 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC47615  Minuartia douglasii J. P. Smith 1977-4-23 9021 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  CAS-BOT-BC388622  Minuartia douglasii Doris K. Kildale 1926-4-30 1919 Humboldt Fruitland - Hill Harris road Comment
  UC1103535  Minuartia pusilla Joseph P. Tracy 1904-4-24 2030 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  JEPS109807  Mitella caulescens Dean W. Taylor 2004-6-24 19138 Humboldt Head of Madden Creek, Ammon Ridge, seepage area along Forest Road 5N15 0.4 miles west of the junction with Forest Road 5N01. 1356 Comment
  JEPS49672  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC98562  Mitella trifida var. trifida Cara Witte 2008-6-18 739 Humboldt Approximately 1.5 miles north-west of Forest Service Rd. 6N01B. On an unmarked road on right hand side. 1433 Comment
  HSC64760  Moehringia macrophylla Bruce Gordon 1980-4-10 141 Humboldt Redwood National Park, 60 m NE of Bald Hills Rd., 0.4 mi. NE of jct. of Bald Hills Rd. and K&K Rd Comment
  UCD98355  Moehringia macrophylla D. C. Hagar 1957-5-16 94 Humboldt Happy Camp Mountain, 7.5 miles southeast of Willow Creek and 5.25 milse northeast of Salyer. 1219 Comment
  HSC58155  Monardella odoratissima G. L. Clifton, Griswold 1979-8-2 12207 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  CAS-BOT-BC215566  Monardella odoratissima subsp. pallida Joseph P. Tracy 1926-6-20 7657 Humboldt Horse Mountain 1310 Comment
  RSA0022793  Monardella villosa subsp. subserrata C. Epling, Wm. Robinson 1935-7-24 s.n. Humboldt Dyerville. Comment
  JEPS62412  Monardella villosa subsp. villosa W. L. Jepson 1932-8-8 16483 Humboldt Grasshopper Peak 1066 Comment
  CAS-BOT-BC444805  Montia diffusa Volney Rattan 1882-1-1 s.n. Humboldt Unspecified Comment
  UC229834  Montia howellii Joseph P. Tracy 1921-4-24 5431 Humboldt South Fork of Eel River (Phillipsville Flat); Northern Coast Ranges, , Phillipsville Flat 91 Comment
  HSC17670  Montia parvifolia D. E. Anderson 1965-5-22 3726 Humboldt 9.4 mi. S of Bridgeville, along road to Blocksburg Comment
  CAS-BOT-BC260572  Muhlenbergia filiformis Joseph P. Tracy 1933-7-25 12833 Humboldt Grouse Mountain 1524 Comment
  HSC44168  Muhlenbergia filiformis Thomas W. Nelson, Jane P. Nelson 1977-9-3 3738 Humboldt Head of Bear Creek 1585 Comment
  POM257954  Muhlenbergia filiformis Joseph P. Tracy 8920 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1677 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
  UC582608  Myosotis discolor Joseph P. Tracy 1936-6-9 14891 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 243 Comment
  HSC45080  Myosotis discolor R. Sutherland 1978-5-12 11 .12578 Humboldt 282 Comment
  CAS-BOT-BC101670  Myrica californica Ira L. Wiggins 1930-7-11 4682 Humboldt near Samoa Comment
  JEPS62076  Narthecium californicum Hilda W. Grinnell 1932-7-12 11 Humboldt below McKay Camp (S. Fork Mt.); S. Fork Mt. Comment
  UC526765  Nassella pulchra Joseph P. Tracy 1929-5-5 8562 Humboldt Miranda Northern Coast Ranges, South Fork Eel River 121 Comment
  CAS-BOT-BC60345  Nasturtium officinale Doris K. Kildale 1926-5-2 1901 Humboldt Willow Creek Flat. 152 Comment
  HSC6891  Nasturtium officinale Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC99059  Navarretia capillaris Cara Witte 2007-7-8 436 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  HSC17129  Navarretia divaricata H. E. Parks 1939-6-27 5257 Humboldt Grouse Mtn. Comment
  HSC32096  Navarretia intertexta D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5704 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC60881  Navarretia intertexta Harley P. Chandler Jun 1901 1392 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC133639  Navarretia linearifolia subsp. pinnatisecta Joseph P. Tracy 1908-6 2797 Humboldt opposite Buck Mountain (Valley of Van Duzen River, along Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  JEPS70445  Navarretia pubescens Joseph P. Tracy 1916-6-20 4733 Humboldt Alder Point Northern Caost Ranges 152 Comment
  UC24188  Nemophila heterophylla Mary H. Manning 1900-1 Humboldt Hupa Comment
  UC67069  Nemophila menziesii var. atomaria H. P. Chandler 1276 Humboldt Hupa Mts. Comment
  UCR37590  Nemophila menziesii var. atomaria L. P. Janeway 1983-4-16 233 Humboldt Near the old Hwy 299 on W side of Berry Summit 823 Comment
  HSC43113  Nemophila menziesii var. menziesii Maralyn O'Meara 1974-5-14 363 Humboldt Beside Hwy. 299, 14.2 mi. E of Bridgeville Comment
  HSC10922  Nemophila parviflora Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  UC67090  Nemophila parviflora Harley P. Chandler 1901-6-1 1537 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  BLMAR494  Nemophila parviflora Jennifer Wheeler 2009-4-30 494 Humboldt King range, Hidden Valley trail; trail start Comment
  CAS-BOT-BC219405  Nemophila parviflora Doris K. Kildale 1927-3-20 2915 Humboldt Philipsville [Phillipsville], South Fork of Eel River Comment
  CAS-BOT-BC60563  Noccaea fendleri subsp. glauca Lincoln Constance; Reed C. Rollins 1942-5-12 2887 Humboldt Klamath-Siskiyou Region. Klamath River 7 miles northeast of Weitchpec. 121 Comment
  SEINET178324  Notholcus mollis Joseph P. Tracy 1914-9-13 4626 Humboldt Gutters and wet places along streets. 61 Comment
  HSC8078  Notholithocarpus densiflorus var. densiflorus D. E. Anderson 1961-8-27 1759 Humboldt 8 mi. W of Redwood Creek Br. along Hwy. 299 Comment
  JEPS11312  Nuttallanthus texanus Joseph P. Tracy 1918-5-5 4921 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC98741  Oemleria cerasiformis Cara Witte 2008-6-2 673 Humboldt White Oak Opening. 1231 Comment
  UC902147  Oemleria cerasiformis Joseph P. Tracy 1946-7-13 17617 Humboldt Carlotta; open flat by old Strong's District School House, 5 mi e of town 60 Comment
  UCD127734  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt Larrabee Creek, 3 miles north of Blocksburg. 457 Comment
  RSA18018  Oenanthe sarmentosa C. B. Wolf 1927-8-22 773 Humboldt Big Lagoon Comment
  UC642344  Oenanthe sarmentosa Joseph P. Tracy 1938-8-20 16123 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UCD127762  Oenanthe sarmentosa C. S. Myszka 1921-4-1 s.n. Humboldt County unknown: location unknown. Comment
  HSC16487  Oenothera glazioviana Wm. F. Bowman 1968-11-20 Humboldt At the jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  SEINET10453198  Oenothera hookeri subsp. montereyensis Mary Susan Taylor 1982-10-24 Taylor 5186 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  UC585979  Orobanche californica subsp. californica Joseph P. Tracy 1924-8-3 6761 Humboldt Big Lagoon. Comment
  SEINET8733553 Image available Orthocarpus pusillus C. C. Harris, S. K. Harris 1942-1 1283 Humboldt 1 mile north and 3 miles west of Chalk Mountain Comment
  CDA38481  Osmorhiza berteroi Kaylea Eickhoff, Cara M. Witte 2005-6-1 7 Humboldt Coldspring Camp, 7.4 mi. south of Hwy. 299 on NF1. Comment
  UC1222753  Osmorhiza occidentalis Joseph P. Tracy 1950-6-25 18887 Humboldt Burr Valley Buck Mountain (nw slope of mt.) 1066 Comment
  HSC33182  Osmorhiza purpurea Thomas W. Nelson 1974-4-20 1185 Humboldt Near Elk Head N of Trinidad Comment
  HSC21586  Osmorhiza purpurea B. R. Templeton 1962-4-14 Humboldt 1 mi. W of Orleans on Hwy. 35 Comment
  UC902196  Oxalis albicans subsp. pilosa Joseph P. Tracy 1942-5-16 17336 Humboldt Garberville 152 Comment
  UC203876  Oxalis albicans subsp. pilosa Joseph P. Tracy 1918-11-17 5119 Humboldt Elk River Corners Northern Coast Ranges Comment
  HSC59074  Oxalis articulata subsp. rubra Thomas Wood 1979-5-3 147 Humboldt In Arcata, in front yard at 3799 Spear Ave. 9 Comment
  JEPS43140  Oxalis oregana W. L. Jepson 1932-7-26 16414 Humboldt Bull Creek Comment
  UC1541318  Oxalis oregana H. E. and S. T. Parks May 1930 743 Humboldt along Van Duzen River Comment
  HSC16709  Oxalis oregana D. E. Anderson 1963-2-9 2366 Humboldt S of Kneeland on Rd. to Brigeville Comment
  HSC59664  Oxalis oregana George Kirn 1977-10-3 Humboldt Vicinity of Jolly Giant Creek, 1/4 mi. E of HSU campus 46 Comment
  SD103955  Oxalis oregana J. L. S. Simpson 1969-6-4 Humboldt In redwood forest along Highway 36. Comment
  SEINET12183670  Oxalis oregana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -290 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC1103421  Oxalis oregana Joseph P. Tracy 1926-7-5 7721 Humboldt near Redwood House (head of Grizzle Creek, towards South Yager); Northern Coast Ranges 609 Comment
  UC1197420  Oxalis oregana Joseph P. Tracy 1926-4-25 7413 Humboldt Strong's Station Northern Coast Ranges 60 Comment
  UC91426  Packera bolanderi var. bolanderi W. W. Price Humboldt Mad River Comment
  SEINET12011449  Paeonia californica E. A. York 1990-1-10 2704 Humboldt USGS Redwood Field Station, Arcata Comment
  UC1145217  Panicum acuminatum var. acuminatum Joseph P. Tracy 1942-6-15 17153 Humboldt 1/2 mi ne Garberville; ne of Garberville 304 Comment
  UC212875  Panicum acuminatum var. acuminatum Joseph P. Tracy 1920-8-15 5356 Humboldt Klamath River Bluff Creek; Northern Coast Ranges, Klamath River at Bluff Creek 152 Comment
  UC247375  Panicum acuminatum var. acuminatum A. S. Hitchcock 1915-7-13 527 Humboldt Eureka Comment
  HSC93730  Parapholis incurva Gordon Leppig, Sylvia Leppig 1998-5-25 788 Humboldt Big Lagoon State Park. 1 Comment
  HSC72402  Parentucellia viscosa J. P. Smith 1973-5-26 6788 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC95379  Parentucellia viscosa Andrea Pickart 2002-8-7 195 Humboldt Arcata Bottoms, along Lanphere Rd. 20 Comment
  UC492219  Parnassia californica Joseph P. Tracy Jul 16 1930-Jul 19 1930 8919 Humboldt Northern Coast Ranges, South Fork Mountain at Mckay Camp South Fork Mountain; Northern Coast Ranges, , Mckay Camp 1676 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
  UC552749  Paspalum distichum Joseph P. Tracy 1934-7-30 13498 Humboldt on coast near Stone Lagoon (Dry Lagoon); North Coast Ranges, near Stone Lagoon, Dry Lagoon 3 Comment
  POM126156  Paxistima myrsinites Joseph P. Tracy 1922-4-30 6042 Humboldt Brannan Mountain. viz. ridge north of Willow Creek, between Willow and Campbell Creeks. 915 Comment
  UC169890  Paxistima myrsinites Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5754 Humboldt Trinity Summit Comment
  CHSC3181  Pedicularis groenlandica Robert D. Briggs 1966-5-8 R- 187 Humboldt 1/4 mile south of Summit- 18 miles west of Willow Creek, on State 299. Comment
  HSC76045  Pedicularis racemosa Walter Overton, Marvin Butler 1979-8-2 12563 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  UC519313  Pellaea Joseph P. Tracy 1933-6-13 12561 Humboldt near summit on rd w from Hoopa to Bair's; Northern Coast Ranges, Hoopa Mt 1066 Comment
  CAS-BOT-BC69342  Pellaea brachyptera L. B. Kildale 1930-8-3 10346 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  RSA293127  Pellaea mucronata Thomas W. Nelson, James Nelson 1976-5-30 2612 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC56260  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-8-2 12416 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99467  Penstemon anguineus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 121 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC577405  Penstemon anguineus Joseph P. Tracy 1936-8-8 15130 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit, e of Grove's Prairie 1524 Comment
  UC577414  Penstemon anguineus Joseph P. Tracy 1936-7-5 15035 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  HSC39933  Penstemon anguineus J. O. Sawyer 1970-6-25 2292 Humboldt 1646 Comment
  HSC63803  Penstemon anguineus M. A. Baker 1979-6-7 798 Humboldt Along road to Telescope Peak next to stream between Telescope Peak and Snow Mtn. 915 Comment
  UCR131735  Penstemon azureus C. B. Wolf 1937-8-13 09220 Humboldt North Coast Range, 8 miles east of Hoopa Valley on new road toward Trinity Summit 1475 Comment
  RSA43894  Penstemon deustus subsp. deustus H. M. Pollard 1947-8-30 s.n. Humboldt North road along Klamath River near Van Fleet Ranch, Orleans region. Comment
  HSC36637  Penstemon laetus subsp. sagittatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1905 Humboldt N side of Pine Mtn. Comment
  JEPS11634  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-24 15513 Humboldt 2 mi se Devil's Hole; Trinity Summit, se of Devil's Hole 1584 Comment
  SEINET3360831 Image available Penstemon newberryi subsp. berryi Joseph P. Tracy 16-19 July 1930 8953 Humboldt South Fork Mountain; along summit near Blake lookout. 1707 Comment
  HSC79535  Pentagramma triangularis Kenneth Clark 1980-6-14 693 Humboldt On Greywacke outcrop, N fork Dead Man's Gulch 91 Comment
  HSC98906  Perideridia kelloggii Cara Witte 2008-8-16 1029 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1579 Comment
  UC1197118  Perideridia parishii subsp. latifolia Joseph P. Tracy 1932-7-18 10707 Humboldt Brett Hole Trinity Summit (head) 1828 Comment
  UCD99742  Persicaria maculosa James Payne Smith Jr.; Advanced Plant Taxonomy Class 1971-10-6 4950 Humboldt End of Murray Road in McKinleyville. Comment
  CAS-BOT-BC419193  Persicaria maculosa Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  HSC89625  Petasites frigidus Brent Helm, Curtis Miller, Mark Steiger 1988-3-12 29 Humboldt Lord Ellis Summit, Hwy. 299, N facing slope adjacent to Hwy. 518 Comment
  UCD134920  Petasites frigidus var. palmatus Joseph M. DiTomaso 1976-3-28 359 Humboldt just east of summit on Highway 299, 7 miles west of Willow Creek. 762 Comment
  POM41563  Petasites palmatus Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  POM160824  Petasites palmatus Joseph P. Tracy 1926-2-28 7377 Humboldt Trinity River Valley, near the S Fork. 183 Comment
  HSC32486  Petrorhagia dubia Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide. Comment
  HSC103089  Phacelia corymbosa Sydney Carothers 2014-6-22 4 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  UCR80262  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1977-7-4 3576 Humboldt Head of N Fork of Conley Creek 520 Comment
  BLMAR591  Phacelia egena Jennifer Wheeler 2010-7-13 591 Humboldt King range, Panther Gap Road 792 Comment
  UC176055  Phacelia egena Joseph P. Tracy 1913-6-25 4337 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  JEPS1200  Phacelia malvifolia Joseph P. Tracy 1934-6-10 13212 Humboldt DRY LAGOON (Along coast in front South End of Stone Lagoon.) Comment
  HSC98826  Phacelia mutabilis Cara Witte 2008-7-16 915 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  BLMAR532  Phacelia nemoralis subsp. nemoralis Jennifer Wheeler 2009-6-23 532 Humboldt King range, On Paradise Ridge road Comment
  UC552718  Phalaris arundinacea Joseph P. Tracy 1935-6-8 13950 Humboldt along coast in front of South End Stone Lagoon (Dry Lagoon); in front of South End Stone Lagoon, Dry Lagoon 3 Comment
  CAS-BOT-BC258964  Phalaris californica John Thomas Howell 1937-7-31 13718 Humboldt Between Redwood Creek and Korbel Comment
  HSC10560  Phalaris californica J. P. Tracy 1925-6-7 7085 Humboldt Lord-Ellis Rd on Bald Mtn. Comment
  RSA245301  Phalaris californica D. E. Anderson 1970-6-14 5125 Humboldt near Maple Creek School about 2 miles southeast of junction of Maple Creek Rd. and Butler Valley Rd. Comment
  CAS-BOT-BC76559  Philadelphus lewisii H. E. McMinn 1922-8-4 339 Humboldt Along Van Duzer River. Comment
  CAS-BOT-BC76565  Philadelphus lewisii Doris K. Kildale 1927-7-3 3634 Humboldt Willow Creek Flat 152 Comment
  UC154151  Philadelphus lewisii Mrs. M. H. Manning 1901-6-7 56 Humboldt Hupa Valley Comment
  UC902079  Philadelphus lewisii Joseph P. Tracy 1949-9-1 18534 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC20264  Philadelphus lewisii H. D. Sumner 1959-7-13 Humboldt Dirt road to Hoopa 305 Comment
  UC34058  Phleum alpinum J. P. Tracy 1901-5-30 1106 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  HSC55333  Phlox adsurgens Griswold, Butler 1979-7-12 7177 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC49981  Phlox adsurgens M. A. Baker 1979-6-7 779 Humboldt N bank of road to Snow Mtn. 610 Comment
  HSC102076  Phlox diffusa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 978 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC604637  Phlox gracilis Joseph P. Tracy 1938-6-13 15923 Humboldt Cold Springs Grouse Mountain 1432 Comment
  UC906692  Phlox gracilis Joseph P. Tracy 1942-6-23 17403 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UC52806  Phlox gracilis J. Burtt Davy Jun 1899 5675 Humboldt Hoopa Mt. Northern Coast Ranges Comment
  CAS-BOT-BC60608  Phoenicaulis cheiranthoides Thomas W. Nelson; James L. Nelson 1980-6-10 s.n. Humboldt Along Swayback Ridge 4-wheel drive road ca. 2.5 miles north of junction with Forest Service Road 1S07. 1463 Comment
  HSC102090  Phyllodoce empetriformis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 993 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  RSA2205  Picea sitchensis C. B. Wolf 1930-10-28 s.n. Humboldt 5 miles S of Ferndale on road to Petrolia. 152 Comment
  UCD134310  Picea sitchensis Roman Gankin 1965-8-6 551 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  HSC98703  Pinus attenuata Cara Witte 2007-9-3 640 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1448 Comment
  CAS-BOT-BC78373  Pinus contorta H. E. Parks 1931-5-1 s.n. Humboldt Samoa, Pine Barrens Comment
  HSC12720  Pinus contorta C. E. Fellows 1970-10-7 374 Humboldt McKinleyville 0.25 mi. W of end of Murray Rd. near dunes Comment
  SD41322  Pinus contorta Edith A. Purer 1932-7-27 4132 Humboldt Samoa, near Arcata Comment
  UCD134418  Pinus contorta var. contorta Linda M. Barker 1976-7-5 1641 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  RSA46891  Pinus jeffreyi Doris K. Kildale 1927-7-22 3832 Humboldt Lasseck s Peaks Comment
  HSC98647  Pinus monticola Cara Witte 2007-9-3 638 Humboldt Horse Mountain Botanical Area. Road 6N38. 1 mile east of Horse Mountain Mine. 1259 Comment
  HSC42411  Pinus muricata Robert M. Specht 1977-11-20 1190 Humboldt Near Hwy. 101, on flats along Georgia Pacific's A-line rd. , Bulk Collection # 117 122 Comment
  UC1196419  Piperia elegans Joseph P. Tracy 1947-7-9 17831 Humboldt lower slopes Horse Mountain (at the Arford Cabin) 1219 Comment
  JEPS79893  Piperia elongata Joseph P. Tracy 1925-7-12 7213 Humboldt near the South Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1196426  Piperia transversa Edith and Ethel Tracy 1900-7-31 909 Humboldt opposite Eureka; Samoa, Ocean Beach Comment
  JEPS60958  Plagiobothrys bracteatus Joseph P. Tracy 1939-4-29 16232 Humboldt Hoopa Valley 106 Comment
  UC552843  Plagiobothrys hispidulus Joseph P. Tracy 1935-7-25 14226 Humboldt wet meadow at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC45081  Plagiobothrys nothofulvus R. Sutherland 1978-4-23 23 .23478 Humboldt 724 Comment
  JEPS68107  Plagiobothrys nothofulvus Lincoln Constance 1934-5-23 617 Humboldt above Look Prairie; Bull Creek Region, South Fork Eel River 365 Comment
  POM160833  Plagiobothrys reticulatus Joseph P. Tracy 1918-7-5 2010 Humboldt White Thorn Valley. 305 Comment
  UC179943  Plagiobothrys reticulatus Joseph P. Tracy 1914-5-30 4486 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC582613  Plagiobothrys reticulatus Joseph P. Tracy 1937-6-20 15351 Humboldt ten mi up stream from the mouth Bear River 152 Comment
  UC1239570  Plagiobothrys reticulatus Joseph P. Tracy 1916-6-19 4727 Humboldt near Forks Dobbyn Creek; Northern Coast Ranges, Forks Dobbyn Creek 182 Comment
  JEPS61045  Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1942-5-16 17337 Humboldt Garberville 152 Comment
  HSC77348  Plantago elongata L. P. Janeway 1983-5-1 257 Humboldt W of Samoa Rd. and N of Coast Guard lands 6 Comment
  UC1196130  Plantago elongata Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16660 Humboldt w of Table Bluff 6 Comment
  UC1151994  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Bridge 609 Comment
  SEINET12330007  Plantago hirtella var. galeottiana F. H. Utech 1986-1 86 -409 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  HSC16840  Plantago lanceolata D. B. Bader 1963-4-1 13 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  HSC12018  Plantago major Wilbur Peterson 1970-10-28 93 Humboldt 1 mi. W of Blue Lake near R/R crossing Comment
  HSC71375  Plantago major J. P. Smith 1971-10-9 5022 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC54529  Platanthera sparsiflora Overton, Butler 1979-7-23 9471 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  UC169077  Plectritis brachystemon Harley P. Chandler May, 1901 1149 B Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  UC1239596  Plectritis congesta Joseph P. Tracy 1935-6-23 13974 Humboldt French Camp Ridge 1066 Comment
  HSC92237  Plectritis congesta subsp. brachystemon John Cromwell, Julie Schneider, A. Thoele 1994-3-19 6 Humboldt Hell's Half Acre, trailhead located 12 mi. S on S Fork Rd. off Hwy. 299 457 Comment
  POM252663  Plectritis congesta subsp. brachystemon Joseph P. Tracy 1936-5-29 14823 .5 Humboldt French Camp Ridge. 1067 Comment
  HSC63190  Pleuricospora fimbriolata M. A. Baker 1979-6-28 942 Humboldt Middle fork of Mill Creek. Comment
  HSC10613  Pleuropogon refractus R. D. Modaferri 1965-5-13 98 Humboldt 2.2 mi N of Trinidad on Trinity St. 274 Comment
  UC1152046  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  SACT001836  Poa confinis Lyle Bibb 1963-5-11 Humboldt Coastal strand amound sandy beach east or Arcata. Sand spit. Comment
  HSC10706  Poa douglasii R. E. Hafenfeld 1965-5-9 59 Humboldt 1/2 mi. S Ossagon Creek, near Gold Bluff Beach Rd. Comment
  UC594152  Poa douglasii S. K. Harris 1936-6-15 3383 Humboldt Trinidad Head Comment
  UCD91135  Poa howellii A. H. Murphy 1950-5-10 s.n. Humboldt E. M. Cottrell Ranch, on Roth Road. Comment
  HSC10693  Poa macrantha J. W. Johnson 1961-9-3 1080 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  RSA296739  Poa macrantha J. P. Smith, Thomas W. Nelson 1977-6-30 9223 B Humboldt Samoa Peninsula just east of the drag strip. Comment
  SEINET10954258  Poa macrantha Harold E. Parks Parks 4805 Humboldt In sand at sea level, Little River Lagoon. Comment
  HSC26627  Poa pratensis J. P. Smith, Steve Selva 1970-6-30 4104 Humboldt Comment
  HSC32621  Poa secunda subsp. secunda D. E. Anderson 1965-5-22 3728 Humboldt Hunt Ranch, 3-4 mi. N of Bridgeville. Comment
  UC1103167  Poa secunda subsp. secunda Joseph P. Tracy 1927-6-12 8143 Humboldt Horse Mt; Northern Coast Ranges 1524 Comment
  UC277172  Poa trivialis Joseph P. Tracy 1921-4-24 5451 Humboldt Phillipsville Flat, S Fork of Eel River Phillipsville Flat; Northern Coast Ranges 91 Comment
  CAS-BOT-BC232887  Polemonium carneum Carl B. Wolf 1937-6-17 8881 Humboldt Big Lagoon, S side at W of Redwood Highway 6 Comment
  UC1178965  Polemonium carneum Joseph P. Tracy 1924-5-25 6682 Humboldt Big Lagoon 3 Comment
  CHSC23080  Polygala californica Robert A. Schlising 1963-6-3 2581 Humboldt Coast Ranges. 3.5 miles north of Garberville. Comment
  UC17437  Polygala californica Harley P. Chandler June 1901 1328 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  RSA75592  Polygala californica Albert M. Vollmer, L. Beane 1951-6-6 127 Humboldt On road between Orick and Weitchpec. Comment
  UC35075  Polygala cornuta var. cornuta Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  UC249655  Polygonum amphibium var. emersum Joseph P. Tracy 1922-9-3 6115 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 91 Comment
  HSC17474  Polygonum aviculare C. B. Wolf 1927-8-29 1208 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC12351  Polygonum aviculare Steve Dorei 1970-10-31 141 Humboldt Scotia Bluffs, N of railroad tracks Comment
  HSC17465  Polygonum aviculare Lincoln Constance 1934-6-12 860 Humboldt N bank of S Fork Eel River, Bull Creek Rd. Comment
  UC1192343  Polygonum aviculare subsp. aviculare Malcolm A. Nobs and S. Galen Smith 1949-8-11 1344 Humboldt Stone Lagoon; marsh on e shore Comment
  HSC99420  Polygonum bistortoides K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 69 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
  UC672971  Polygonum bistortoides Joseph P. Tracy 1932-7-10 10384 Humboldt Corral Prairie Trinity Summit 1584 Comment
  JEPS50522  Polygonum convolvulus Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  UCD100265  Polygonum douglasii Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain. 1432 Comment
  UC672949  Polygonum lapathifolium Joseph P. Tracy 1930-10-12 9204 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  POM312530  Polygonum lapathifolium S. Galen Smith, Malcolm A. Nobs 1949-8-9 1232 Humboldt Marshy pond on Southern side of the town of Blue Lake Comment
  HSC54878  Polygonum minimum G. L. Clifton, Griswold 1979-7-25 10873 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC109182  Polygonum paronychia Frank W. Peirson 1941-7-29 13109 Humboldt State Little River Beach Park. Comment
  HSC17518  Polygonum paronychia S. J. Hawks 1965-3-9 44 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  HSC49614  Polygonum paronychia R. York 1979-5-18 296 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  JEPS50637  Polygonum persicaria Lincoln Constance 1934-6-12 861 Humboldt Bull Cr. road and N. bank of river; South Fork Eel River, Bull Creek Region Comment
  UC672941  Polygonum persicaria Joseph P. Tracy 1927-10-8 8387 Humboldt Prairie Creek Boyes Ranch 91 Comment
  UC672979  Polygonum phytolaccifolium Joseph P. Tracy 1933-7-26 12921 Humboldt Grouse Mountain; around old cabin 1524 Comment
  HSC45463  Polygonum polygaloides subsp. kelloggii Thomas W. Nelson, Jane P. Nelson 1978-7-2 4391 Humboldt SE of East peak of the Mount Lassic group 1616 Comment
  UCD100641  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1932-7-10 10379 Humboldt Trinity Summit, Corral Prairie. 1584 Comment
  JEPS79950  Polygonum polystachyum Joseph P. Tracy 1940-10-18 16775 Humboldt Eureka 30 Comment
  UC1225798  Polygonum sachalinense Joseph P. Tracy 1946-8-25 17634 Humboldt roadside 1/2 mi s mouth of Elk River 6 Comment
  HSC98633  Polygonum spergulariiforme Cara Witte 2008-8-5 983 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  SDSU19201  Polypodium calirhiza Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3015 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.7 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 963 Comment
  UCSB29329  Polypodium glycyrrhiza Phelps, M. 1972-3-22 Humboldt 1000 yds. east of Whitehom turnoff, along Shelter Cove Rd. 304 Comment
  JEPS93138  Polypodium scouleri M. Wetherwax 1992-5-20 2434 Humboldt Patrick's Point State Park. Coastal bluff S side of Wedding Rock 30 Comment
  HSC10823  Polypogon australis D. E. Anderson 1965-5-8 3656 Humboldt W end of bridge over Trinity River, 0.5 mile S of Willow Creek. Comment
  HSC59125  Polypogon australis Terry Roth 1979-4-28 17 Humboldt Glendale exit off of Hwy. 299, gravel road towards Mad River 30 Comment
  SEINET200575 Image available Polypogon interruptus J. P. Tracy 1938-8-28 16137 Humboldt Trinidad coastal bluffs 0 Comment
  UC39737  Polypogon interruptus Harley P. Chandler June, 1901 1332 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 304 Comment
  UC552696  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek; Northern Coast Ranges, Dobbyn Creek 152 Comment
  UCD91206  Polypogon maritimus Joseph P. Tracy 1918-7-1 4967 Humboldt Holmes Flat. Along Eel River from South Fork to Scotia. 60 Comment
  HSC26350  Polypogon monspeliensis T. O. Osborne 1970-6-18 73 Humboldt Flat-iron Rock, 3/4 mile NW of Trinidad Lighthouse. Comment
  SEINET11681498  Polypogon monspeliensis H. P. Chandler 1901-1 1431 Humboldt Klamath River, North Coast Ranges 335 Comment
  CHSC23905  Polystichum munitum Mark Johnson 1974-4-28 28 Humboldt Adjacent to Lady Bird Johnson Grove, 5 mi ne of Orick. 228 Comment
  RSA698536  Polystichum munitum J. R. Bruff 1937-8-17 922 Humboldt Richardson Grove. Comment
  CAS-BOT-BC76662  Polystichum munitum Ira L. Wiggins 1932-6-18 5871 Humboldt On hillside at mouth of Little River. Comment
  HSC79181  Polystichum munitum C. J. Thomas 1984-9-25 116 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  CAS-BOT-BC102904  Populus trichocarpa Doris K. Kildale 1926-7-18 2390 Humboldt Redwood Creek at Orick 30 Comment
  UC1196664  Populus trichocarpa Joseph P. Tracy 1922-10-8 6124 Humboldt Mad River at Blue Lake; Northern Coast Ranges, Mad River at Blue Lake 30 Comment
  UC275527  Populus trichocarpa Joseph P. Tracy 1923-3-25 6167 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC17777  Potamogeton foliosus J. P. Tracy 1934-8-14 13588 Humboldt S Fork of Eel River, midway between Miranda and Garberville 91 Comment
  POM145402  Potamogeton natans J. B. Feudge 1923-7-23 449 Humboldt Lagoon at Trinidad. 0 Comment
  UC1103513  Potamogeton natans Joseph P. Tracy 1928-9-2 8498 Humboldt Fruitland 609 Comment
  UC176375  Potamogeton natans Joseph P. Tracy 1913-9-9 4406 Humboldt near mouth of Little River; Northern Coast Ranges 3 Comment
  CAS-BOT-BC143077  Potentilla anserina subsp. pacifica L. R. Abrams 1916-7-18 6130 Humboldt Arcata to Trinidad Comment
  JEPS24329  Potentilla anserina subsp. pacifica Lincoln Constance 1934-6-18 903 Humboldt near South Fork R.R. Station and P.O. (border of North Dyerville Flat); South Fork Eel River, Bull Creek Region Comment
  HSC58120  Potentilla drummondii G. L. Clifton, Griswold 1979-8-1 12089 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  RSA647543  Potentilla drummondii Marion P. Harthill 1972-7-19 1319 Humboldt Fish Lake 1067 Comment
  UC420576  Potentilla gracilis P. E. Goddard 1906-6 668 Humboldt Lasseck Pk Comment
  CAS-BOT-BC540159  Potentilla gracilis var. fastigiata Carl B. Wolf 1934-7-2 5859 Humboldt 5.5 mi. from Bald Mt. on road to Snow Camp. 914 Comment
  HSC74648  Prosartes hookeri M. A. Baker 1980-5-17 1211 Humboldt Near Le Perron Peak 792 Comment
  CAS-BOT-BC517501  Prosartes smithii Volney Rattan 1883-6-4 s.n. Humboldt 3 mi. E Eureka Comment
  HSC59239  Prunella vulgaris Clark L. Miller 1978-5-13 1130 Humboldt Comment
  HSC14303  Prunella vulgaris subsp. lanceolata William J. Ferlatte, B. D. Rodgers 1966-6-7 2083 Humboldt 1 mi. E of Forest Glen 732 Comment
  HSC22507  Prunella vulgaris subsp. lanceolata J. R. Lippincott 1967-7-16 5 Humboldt Near N Fork Mad River bridge 152 Comment
  HSC22530  Prunella vulgaris subsp. lanceolata Jerry Parker 1968-9-23 68 Humboldt 1/4 mi. S of Vista Point Comment
  UC1196726  Prunella vulgaris var. lanceolata Joseph P. Tracy 1914-5-14 4424 Humboldt Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC153994  Prunella vulgaris var. lanceolata Joseph P. Tracy 1908-6 2776 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC673114  Prunella vulgaris var. lanceolata Joseph P. Tracy 1940-9-26 16729 Humboldt Eureka 6 Comment
  UC249638  Prunus emarginata Joseph P. Tracy 1922-9-17 6116 Humboldt North Fork Mad River, at Korbel North Fork Mad River; Northern Coast Region, , Korbel 30 Comment
  CAS-BOT-BC154739  Prunus virginiana var. demissa Doris K. Kildale 1926-5-20 3240 Humboldt Bug Creek 792 Comment
  HSC35629  Pseudognaphalium stramineum Thomas W. Nelson, James Nelson 1975-8-5 2142 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  HSC1582  Pseudotsuga menziesii var. menziesii W. R. Rogers 1965-7-1 300 Humboldt Hwy. 299 4 mi E of Blue Lake Comment
  NY63912  Pseudotsuga menziesii var. menziesii J. P. Tracy 1932-3-19 9789 Humboldt Blue Slide, on Van Duzen River Comment
  UC604673  Psilocarphus oregonus Joseph P. Tracy 1938-7-5 16008 Humboldt 5 mi e Carlotta (by old Strong's District School House) 45 Comment
  SEINET11793951  Psilocarphus tenellus var. tenellus J. P. Tracy 1942-1 17293 Humboldt 1 mi N of Redwood House, valley of South Yager Creek 610 Comment
  HSC54542  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-23 9526 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  SD42991  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  CAS-BOT-BC462806  Pyrola dentata Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  HSC102185  Pyrola picta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1099 Humboldt Patterson Meadows 1566 Comment
  UC562451  Pyrola picta Joseph P. Tracy Jul 16 1930-Jul 19 1930 9033 Humboldt near McKay Camp (Northern Coast Ranges, South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC466033  Pyrola picta Doris Kildale Gillespie 1931-6-7 10658 Humboldt South Fork Mt., Black Lookout 1726 Comment
  HSC98038  Pyrola picta Cara Witte 2007-7-17 532 Humboldt National Forest 1. 2 miles south from intersection with 5N27. 1456 Comment
  HSC54572  Quercus chrysolepis Overton, Butler 1979-7-24 9606 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 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
  UC535725  Quercus chrysolepis Eleanor Armstrong 1934-8-22 1183 Humboldt Richardson Grove 121 Comment
  UC5582  Quercus chrysolepis Joseph Burtt Davy and Walter C. Blasdale 1899-5 5458 Humboldt near Elk Prairie Comment
  CAS-BOT-BC94306  Quercus garryana Roxana S. Ferris 1955-7-11 12973 Humboldt Summit of US Highway 299 betw. Willow Creek and Blue Lake Comment
  CAS-BOT-BC94310  Quercus garryana Joseph P. Tracy 1941-3-26 16845 Humboldt South Fork of Trinity River: mountain slopes W of its mouth Comment
  UC1193249  Quercus garryana R. H. Neuns 1950-7-31 Humboldt Mail Ridge, e headwaters of Stuhead Creek Mail Ridge, Stuhead Creek 883 Comment
  CAS-BOT-BC62727  Quercus garryana var. breweri Doris K. Kildale 1926-9-5 2631 Humboldt Head of Red Lassecks huk. Lasseck's Peaks 1676 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
  UCD46120  Quercus garryana var. garryana John M. Tucker 1948-9-3 1849 Humboldt California, Humboldt Co.; southwest side of Horse Mountain, ca. 2 mi. south of Berry's Summit; Comment
  UCD46155  Quercus garryana var. garryana W. L. Colwell 1957-9-4 53 Humboldt Near Board Camp Mountain, 18 miles southeast of Korbal, near Six Rivers National Forest, Humboldt County. 1371 Comment
  HSC41013  Quercus kelloggii J. P. Smith, J. O. Sawyer 1976-5-2 8635 Humboldt 3.2 mi W of Loop Rd. in Hoopa Reservation, along Redwood Creek-Hoopa Rd. 366 Comment
  JEPS38041  Quercus kelloggii Lincoln Constance 1934-5-29 738 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC1196360  Quercus kelloggii Joseph P. Tracy 1923-11-11 6592 1/2 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC102199  Quercus sadleriana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1113 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  HSC70635  Quercus sadleriana R. York 1980-5-18 601 Humboldt Near Black Mtn. 792 Comment
  HSC72682  Quercus sadleriana J. P. Smith 1977-7-3 9264 Humboldt Onion Lake Comment
  JEPS49020  Quercus sadleriana Hilda W. Grinnell 1932-7-9 4 Humboldt above Kerlin Creek; South Fork Mt. 1524 Comment
  CAS-BOT-BC104539  Quercus vacciniifolia D. E. Breedlove 1961-7-4 647 Humboldt 7 miles W of Willow Creek on US 299 521 Comment
  UC275513  Quercus wislizeni Joseph P. Tracy 1923-10-14 6576 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  CAS-BOT-BC186671  Ranunculus Mrs. H. C. Cantelow 1936-5-18 1388 Humboldt 8 mi. N. of Orick nr. Corkscrew Tree Comment
  UC1368470  Ranunculus occidentalis R. K. Gierisch and D. H. Esplin 1969-7-1 3529 Humboldt Grouse Mtn. Six Rivers National Forest Comment
  UC162863  Ranunculus occidentalis Joseph P. Tracy 1908-6 2689 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC71029  Ranunculus occidentalis Thomas W. Nelson 1977-4-20 3321 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  RSA523409  Ranunculus occidentalis G. H. True 1936-5-11 466 Humboldt E slope of Elk Ridge, 12 miles W of Miranda. 457 Comment
  HSC36501  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1890 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC53976  Ranunculus orthorhynchus Griswold, Butler 1979-7-11 7049 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC68716  Ranunculus orthorhynchus Jacqueline Greenleaf 1980-5-23 89 Humboldt Near Dinsmores 735 Comment
  HSC18217  Ranunculus parviflorus D. E. Anderson 1963-5-25 2472 Humboldt 5 mi. S of Ferndale on Wildcat Rd. Comment
  HSC18186  Ranunculus repens var. repens R. D. Modafferi 1965-5-9 55 Humboldt 2.2 mi. N of Trinidad on Trinity St. 305 Comment
  UC1196270  Ranunculus uncinatus Joseph P. Tracy 1916-5-7 4687 Humboldt Eureka Northern Coast Ranges 0 Comment
  BLMAR510  Ranunculus uncinatus Jennifer Anthony-Wheeler 2009-5-9 510 Humboldt Headwaters Forest Reserve, HRC U08 road; spur to Elk River Comment
  POM311438  Ranunculus uncinatus var. parviflorus D. E. Breedlove 1962-6-8 3072 Humboldt Along Hwy 101, 8 miles N of Orick. 61 Comment
  UCD115153  Raphanus raphanistrum Linda M. Barker 1976-7-5 1647 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  UC535751  Rhamnus californica Eleanor Armstrong 1934-8-24 1142 Humboldt Richardson Grove 121 Comment
  UC668156  Rhamnus californica Joseph P. Tracy 1933-9-3 13062 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS42055  Rhamnus purshiana Lincoln Constance 1934-6-19 917 Humboldt near Grasshopper Peak summit; South Fork Eel River, Bull Creek Region 914 Comment
  UC1541476  Rhamnus purshiana Harold E. Parks May 1935 5541 Humboldt Spruce Cove Trinidad Comment
  HSC100477  Rhododendron californicum Carl C. Marshall May 1886 204 Humboldt Woods of Coast-range. Comment
  CAS-BOT-BC56607  Rhododendron macrophyllum Joseph P. Tracy 1906-6-10 2489 Humboldt Kneeland Prairie Road, region about Humboldt Bay 609 Comment
  CAS-BOT-BC56612  Rhododendron macrophyllum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC74334  Rhododendron macrophyllum Gail Newton 1980-6-16 153 Humboldt Near Monks Camp 1097 Comment
  HSC7877  Rhododendron macrophyllum J. Sandborg, F. Sandborg May 1968 14 Humboldt Bluff Creek near Notice Creek, hillside 793 Comment
  JEPS58777  Rhododendron macrophyllum Mr. and Mrs. Geo. B. Parrish 1930-5-21 Humboldt Trinidad Comment
  UC162760  Rhododendron occidentale Joseph P. Tracy 1911-7-6 3340 Humboldt between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC22135  Rhododendron occidentale Harley P. Chandler June, 1901 1448 Humboldt Klamath River; North Coast Ranges, Klamath River 457 Comment
  CAS-BOT-BC92885  Ribes bracteosum S. Green; R. Jacquet; H. Ross 1997-4-25 31 Humboldt Highway 299 at Redwood Creek Road, intersection. 609 Comment
  HSC44274  Ribes bracteosum Barbara Kelly 1977-4-23 304 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC103223  Ribes divaricatum var. pubiflorum Jade Paget-Seekins 2010-3-20 7 Humboldt On the Mad River. In the park next to the water treatment plant. 13 Comment
  UC70556  Ribes inerme var. klamathense J. Burtt Davy 1899-6-26 5867 Humboldt Hoopa Valley North Coast Ranges Comment
  HSC103234  Ribes lacustre Jade Paget-Seekins 2010-6-26 29 Humboldt On Long Ridge Road, up Big Hill Road outside of Hoopa. 1274 Comment
  HSC55974  Ribes lacustre G. L. Clifton 1979-7-31 11361 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC99025  Ribes lacustre Cara Witte 2008-7-1 781 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  JEPS49357  Ribes lacustre W. L. Jepson 1902-7-15 2030 Humboldt Mud Spring to Trinity Summit 1524 Comment
  UC1198906  Ribes laxiflorum Joseph P. Tracy 1918-4-28 4890 Humboldt Northern Coast Ranges, Eureka, Ryan's Slough Ryan's Slough; Northern Coast Ranges, Eureka, Ryan's Slough 0 Comment
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Jan 25 2012
  HSC48833  Ribes lobbii Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 46 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC98554  Ribes lobbii Cara Witte 2008-6-18 742 Humboldt 2 miles north of the intersection between National Forest 1 and Friday Ridge Road/ 6N08 1580 Comment
  UC492232  Ribes lobbii Joseph P. Tracy 1927-5-15 8065 Humboldt w Hoopa (near summit on Road to Bair's); Northern Coast Ranges, Hoopa Mountain 1066 Comment
  CAS-BOT-BC212477  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt Ridges east of Corral Prairie, Trinity Summit, Klamath Mountains 1828 Comment
  HSC58106  Ribes marshallii G. L. Clifton, Griswold 1979-8-1 12041 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC519248  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt ridges e of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC206033  Ribes menziesii E. R. Johnson 1929-8-1 11211 Humboldt Arcata, Redwood Park Comment
  UCD39983  Ribes roezlii Rodney Gale Myatt 1971-9-21 1188 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  RSA167292  Ribes roezlii var. amictum Joseph P. Tracy 1950-6-18 18850 Humboldt Wilder Ridge Comment
  JEPS49463  Ribes roezlii var. cruentum Joseph P. Tracy 1922-4-30 6041 Humboldt Three Creek 670 Comment
  UC1198938  Ribes roezlii var. cruentum Joseph P. Tracy 1942-4-4 17068 Humboldt Trinity Highway Berry Mt. 670 Comment
  HSC74678  Ribes roezlii var. roezlii Gail Newton 1981-7-10 2227 Humboldt Near Board Camp Butte 1494 Comment
  HSC70756  Ribes sanguineum R. York 1980-5-17 527 Humboldt Near Le Perron Peak 1066 Comment
  RSA0019095  Ribes sanguineum Jim R. Shevock 1978-3-26 1471 Humboldt Along Highway 299. 305 Comment
  UC492210  Ribes sanguineum var. glutinosum Joseph P. Tracy 1932-8-27 10759 Humboldt Alton North Coast Ranges, Van Duzen River 30 Comment
  HSC65645  Ribes viscosissimum J. P. Smith, J. O. Sawyer 1975-6-2 8208 Humboldt Six Rivers National Forest, W of Goat Hill Comment
  UC673227  Romanzoffia californica Lincoln Constance and Reed C. Rollins 1942-5-11 2870 Humboldt 3 mi. e. E. Fork Willow Creek; North Coast Ranges Comment
  UCD120747  Romanzoffia californica R. Raynor 1935-4-8 s.n. Humboldt Ft. Seward. Comment
  HSC100500  Romanzoffia sitchensis Carl C. Marshall Apr 1886 196 Humboldt Damp rocks, Jacoby Creek. Comment
  SEINET10638531 Image available Romanzoffia tracyi Joseph P. Tracy, Harold E. Parks 1933-5-9 Tracy 11008 Humboldt Wet slide on bluff near ocean. Vicinity of Trinidad. 15 Comment
  UC1198278  Rorippa curvisiliqua Joseph P. Tracy 1931-9-7 9666 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC1199220  Rorippa curvisiliqua Joseph P. Tracy 1933-8-30 13054 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC902154  Rosa Joseph P. Tracy 1949-8-7 18438 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC146489  Rosa gymnocarpa Doris Kildale Gillespie 1931-6-7 10623 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC146841  Rosa nutkana L. R. Abrams 1916-7-20 6146 Humboldt Between Eureka and Alton Comment
  CAS-BOT-BC146845  Rosa nutkana Doris Kildale Gillespie 1931-6-7 10644 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  UC902162  Rosa nutkana var. nutkana Joseph P. Tracy 1947-8-10 17883 Humboldt 2 mi s of town Field's Landing 6 Comment
  CAS-BOT-BC148344  Rosa pisocarpa Joseph P. Tracy 1949-8-7 18436 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  HSC48415  Rosa rubiginosa J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9926 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  CAS-BOT-BC156579  Rubus bifrons Henry M. Pollard 1948-8-9 s.n. Humboldt Near Orleans Comment
  JEPS44748  Rubus leucodermis W. L. Jepson 1902-7-25 2122 Humboldt Supply Creek , Supply Creek (Hupa Valley) 243 Comment
  HSC19660  Rubus parviflorus D. B. Bader 1963-2-17 11 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  HSC19669  Rubus parviflorus Francis Winter 1960-4-24 Humboldt 2 mi. S of Hoopa Indian Reservation along Hoopa-Willow Creek Hwy. 152 Comment
  UCR3512  Rubus parviflorus David Whistler, H. M. Whistler 1964-8-1 640801- 5 Humboldt Coast Range, US Hwy 299, 6 mi east of Blue Lake Comment
  SEINET4976242  Rubus parviflorus Unknown 1938-8-8 15398 Humboldt Elk River, 6 miles S of Eureka Comment
  SEINET8254189  Rubus parviflorus Doris K. Gillespie 1938-8-6 15397 Humboldt Eureka. Comment
  POM117571  Rubus parviflorus var. velutinus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1541464  Rubus praecox H. E. Parks April 1935 5537 Humboldt Trinidad Comment
  UC1301223  Rubus spectabilis Paul C. Hutchison 1966-5-26 2741 Humboldt near U.S. highway 101 (Prairie Creek Redwood Grove State Park); Prairie Creek Redwood Grove State Park 50 Comment
  HSC19693  Rubus ursinus N. D. Dennis 1965-5-5 53 Humboldt 1 mi. N of Trinidad on Hwy. 101 Comment
  HSC57045  Rubus ursinus Overton, Butler 1979-7-24 9694 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1128669  Rubus ursinus R. Stahelin 1933-5-15 19521 Humboldt Freshwater Eureka Quad. Comment
  UCD17625  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 039 Humboldt California. Humboldt County: on left side of U.S. 101 going north, about 0.5 miles north of Rock Creek Crossing. Comment
  RSA89567  Rubus vitifolius Philip A. Munz 1954-7-23 19865 Humboldt 5 miles SE of Carlotta Comment
  UC1223049  Rudbeckia occidentalis Joseph P. Tracy 1947-8-24 17886 Humboldt meadow at Box Camp; Trinity Summit 1463 Comment
  UC146142  Rumex acetosella J. P. Tracy 1906-4-22 2414 Humboldt immediate vicinity Eureka 0 Comment
  UC1541398  Rumex acetosella W. K. Parks Jun 1932 Humboldt vicinity Trinidad Comment
  UCD100980  Rumex acetosella Linda M. Barker 1976-5-13 1483 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC17571  Rumex acetosella D. E. Anderson 1961-9-30 1836 Humboldt Comment
  HSC45490  Rumex acetosella Maralyn O'Meara 1972-6-8 101 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  RSA256728  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills road. 549 Comment
  HSC102639  Rumex californicus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1623 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC37577  Rumex crispus J. D. Ackerman 1975-6-10 452 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd. S of Manila Comment
  HSC38433  Rumex pulcher J. P. Smith 1976-10-30 8998 Humboldt Mad River, E of Essex Lane exit. Comment
  UC672922  Rumex salicifolius var. salicifolius Joseph P. Tracy 1932-7-11 10405 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC434097  Rumex transitorius Carl B. Wolf 1927-8-28 1182 Humboldt Salt Marsh, Eureka Bay, on the road to Arcata Comment
  SEINET10501996  Ruppia maritima Mary Susan Taylor 1982-10-24 Taylor 5179 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  UCD92351  Rytidosperma penicillatum R. Tofsrud 1947-7-1 200 Humboldt near Loleta. Comment
  UC1103532  Sagina apetala Joseph P. Tracy 1946-6-23 17598 Humboldt roadside near Dan McBride place Kneeland Prairie 762 Comment
  HSC37955  Salicornia depressa Peter Sorensen 1976-6-2 Humboldt Humboldt Bay, Woodley Island Comment
  UC463039  Salix boothii Leland S. Smith 1931-9-16 2633 Humboldt Babbitt Spring; Jones Valley Range, Tahoe Nat'l Forest 2133 Comment
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Jul 10 2015
  CAS-BOT-BC103454  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  CAS-BOT-BC103807  Salix exigua W. R. Dudley 1899-6-21 s.n. Humboldt near bluff below junction of North and South Forks of Eel River Comment
  POM361045  Salix exigua Carleton R. Ball, Harold E. Parks, Joseph P. Tracy 1932-5-17 1335 Humboldt Above Trinity River. 1 mile below bridge on Trinity Hwy. 152 Comment
  RSA5652  Salix exigua H. E. Parks, Joseph P. Tracy 1931-5-17 971 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  CAS-BOT-BC106862  Salix hookeriana W. J. Ferlatte 1967-6-13 1114 Humboldt Samoa Penn. 3 Comment
  CAS-BOT-BC107750  Salix hookeriana Harold E. Parks 1931-5-12 955 Humboldt Samoa, Humboldt Bay Comment
  CHSC31280  Salix hookeriana Mark Stopher 1980-3-26 42 Humboldt Adjoining Hwy 101 right of way near Elk River. Comment
  HSC19949  Salix hookeriana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-11 1226 Humboldt 1 mi. N of Samoa, near coast 0 Comment
  HSC90764  Salix hookeriana Gail Newton 1983-6-5 3641 Humboldt Elk River Wildlife Area, Eureka Comment
  JEPS12927  Salix hookeriana Joseph P. Tracy 1931-5-3 9356 Humboldt near Luffenholz Creek (near ocean); Northern Coast Region, Trinidad 60 Comment
  UC1196556  Salix hookeriana Joseph P. Tracy 1937-4-11 15261 Humboldt along Eel Rl Camp Grant (2-5 mi e of the South Fork); S. Fork Eel R., Camp Grant 45 Comment
  UC1196632  Salix hookeriana J. P. Tracy 1901-3-31 996 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1196676  Salix hookeriana Joseph P. Tracy 1931-3-26 9304 Humboldt near Alton; Northern Coast Ranges, Van Duzen River 30 Comment
  UC1225775  Salix hookeriana Joseph P. Tracy 1948-4-4 17957 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC469124  Salix hookeriana Joseph P. Tracy 1929-4-7 8531 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC470428  Salix hookeriana Joseph P. Tracy 1931-9-20 9688 Humboldt Trinidad Northern Coast Region 60 Comment
  UC470430  Salix hookeriana Joseph P. Tracy 1931-5-23 9435 Humboldt near Trinidad Station; Northern Coast Region, vicinity of Trinidad 60 Comment
  UC470431  Salix hookeriana Joseph P. Tracy 1927-9-25 8382 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  UC470439  Salix hookeriana Joseph P. Tracy 1931-9-19 9679 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC481264  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC490454  Salix hookeriana Joseph P. Tracy 1932-5-10 9938 Humboldt Bear R. at Capetown; Northern Coast Ranges, , Bear R. 30 Comment
  UC492336  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1102 Humboldt Little River Lagoon Trinidad Comment
  UC506346  Salix hookeriana Joseph P. Tracy 1933-3-19 10925 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC506401  Salix hookeriana Joseph P. Tracy 1933-4-9 10931 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River (below Blue Slide bridge on open gravel bar) 91 Comment
  UC512086  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC518899  Salix hookeriana Jim Davis 1933-4-25 4 Humboldt around Eureka Comment
  UC1173621  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  JEPS14749  Salix jepsonii Joseph P. Tracy 1932-7-13 10506 Humboldt Corral Prairie Trinity Summit; Klamath Mts. 1524 Comment
  JEPS14791  Salix jepsonii Joseph P. Tracy 1933-7-16 12773 Humboldt meadow at McKay Camp S. Fork Mt.; Northern Coast Ranges 1676 Comment
  UC906709  Salix laevigata Harold E. Parks and Joseph P. Tracy 1942-5-16 11567 Humboldt vicinity of Garberville 152 Comment
  CAS-BOT-BC125226  Salix lasiandra var. lasiandra Jim Davis 1933-4-25 3 Humboldt Around Eureka Comment
  CAS-BOT-BC107101  Salix lasiolepis Joseph P. Tracy 1934-3-11 13146 Humboldt Weitchpec, frequent along Klamath River 91 Comment
  CAS-BOT-BC107613  Salix lasiolepis Harold E. Parks; Susan T. Parks 1931-8-15 1079 Humboldt Blue Slide, Van Duzen River 100 Comment
  HSC20002  Salix lasiolepis J. P. Tracy 1933-3-19 10931 Humboldt Blue Slide, Van Duzen River 91 Comment
  HSC96595  Salix lasiolepis Gordon Leppig 2003-2-4 1803 Humboldt NWR South Bay Unit 2 Comment
  JEPS13836  Salix lasiolepis Joseph P. Tracy 1926-8-12 7760 Humboldt at Berry's Redwood Creek; Northern Coast Ranges 274 Comment
  UC1225920  Salix lasiolepis Joseph P. Tracy 1946-7-21 17620 Humboldt Blue Slide, on Van Duzen River 91 Comment
  UC469418  Salix lasiolepis Joseph P. Tracy 1927-8-7 8306 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC470407  Salix lasiolepis Joseph P. Tracy 1931-9-26 9697 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC481178  Salix lasiolepis Harold E. and Susan T. Parks 1931-8-15 1079 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 100 Comment
  UC490550  Salix lasiolepis Joseph P. Tracy 1932-4-24 9802 Humboldt between Miranda and Redway (S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  UC504022  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1254 Humboldt 2 mi E of Redwood Highway ( Mad River at Engelhart gravel pit, above Blue Lake) Comment
  UC506397  Salix lasiolepis Joseph P. Tracy 1933-3-19 10934 Humboldt Bridgeville Northern Coast Ranges, Van Duzen River (along river) 228 Comment
  UC506504  Salix lasiolepis Joseph P. Tracy 1932-8-21 10358 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower western foothills of mt.) 457 Comment
  UC519327  Salix lasiolepis Joseph P. Tracy 1933-5-14 12178 Humboldt mouth of Willow Creek Trinity River Valley 152 Comment
  UC519336  Salix lasiolepis Joseph P. Tracy 1933-5-20 12264 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  SEINET12003293  Salix lasiolepis J. P. Tracy 1950-1 18623 Humboldt Van Duzen River, 10 mi SE of Dinsmore's, 4 mi SE of Kuntz Comment
  CAS-BOT-BC107407  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3149 Humboldt Redwood Creek at Berry's 289 Comment
  HSC99455  Salix lucida subsp. lasiandra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 107 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  CAS-BOT-BC125617  Salix melanopsis Doris K. Kildale 1926-7-11 2365 Humboldt Bear River near Capetown 30 Comment
  CAS-BOT-BC125621  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 284 Humboldt East of Redwood Highway, 6 km. south of Alton 20 Comment
  CAS-BOT-BC125625  Salix melanopsis Joseph P. Tracy 1932-4-17 9798 Humboldt Eel River, Alton to Fortuna 15 Comment
  RSA5689  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  UC1173599  Salix melanopsis Joseph P. Tracy 1937-7-24 15507 Humboldt Mad R. at mouth of Lindsey Creek Lindsey Creek; Mad R. 15 Comment
  UC1196571  Salix melanopsis Joseph P. Tracy 1932-7-31 10293 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC1196635  Salix melanopsis Joseph P. Tracy 1932-7-31 10287 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC162708  Salix melanopsis Joseph P. Tracy 1911-7-4 3295 Humboldt Willow Creek near mouth <of> Trinity R.; Northern Coast Ranges, Willow Creek - tributary of Trinity R 182 Comment
  UC481275  Salix melanopsis Harold E. Parks 1931-5-28 1027 Humboldt Little River Lagoon Comment
  UC481356  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC519360  Salix melanopsis Joseph P. Tracy 1933-6-7 12512 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC519361  Salix melanopsis Joseph P. Tracy 1933-6-7 12513 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC519369  Salix melanopsis Joseph P. Tracy 1933-7-22 12824 Humboldt S. Fork Eel R. at mouth of Bull Creek; Northern Coast Ranges, S. Fork Eel R. 45 Comment
  CAS-BOT-BC129152  Salix scouleriana Doris K. Kildale 1929-2-28 6947 Humboldt Arcata - hill back of State Teacher's College Comment
  HSC20076  Salix scouleriana J. P. Tracy 1932-7-13 10507 Humboldt Klamath Mtns., Trinity summit, Corral Prairie 1524 Comment
  UC1173585  Salix scouleriana Joseph P. Tracy 1937-3-14 15232 Humboldt Redwood Creek at Berry's; North Coast Ranges, , Redwood Creek 274 Comment
  UC1196693  Salix scouleriana Joseph P. Tracy 1924-1-20 6597 Humboldt near bay shore Samoa (around Humboldt Bay); Northern Coast Region, Humboldt Bay 3 Comment
  UC5092  Salix scouleriana C. C. Marshall 1888-1 Humboldt Comment
  CAS-BOT-BC128962  Salix sitchensis W. J. Ferlatte 1967-6-13 1116 Humboldt Coastal strand, dunes, Samoa Peninsula 3 Comment
  CAS-BOT-BC128991  Salix sitchensis Doris K. Kildale 1926-6-29 2236 Humboldt Mouth of Mad River Comment
  HSC38145  Salix sitchensis Thomas W. Nelson 1976-11-3 3279 Humboldt Eureka, E side of F St., 3800 block Comment
  HSC90438  Salix sitchensis Jean Hanson 1980-3-8 13 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC90745  Salix sitchensis Jean Hanson 1980-3-8 20 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC96615  Salix sitchensis Gordon Leppig 2005-4-8 2206 Humboldt N Spit Swamp, W side of highway 3 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
  UC469470  Salix sitchensis Joseph P. Tracy 1931-9-19 9683 Humboldt Van Duzen R. Alton; Northern Coast Region, , Alton 30 Comment
  UC481394  Salix sitchensis Harold E. Parks 1931-3-24 913 Humboldt Eel R. Fortuna; Eel R. 10 Comment
  UC511992  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1240 Humboldt floodplain of Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC537983  Salix sitchensis Joseph P. Tracy 1934-9-22 13671 Humboldt mouth of Mad R.; North Coast Ranges, Mad R. 9 Comment
  HSC20132  Salix tracyi J. P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen River 229 Comment
  RSA168918  Salsola tragus Joseph P. Tracy 1950-8-20 19323 Humboldt Klamath River, near Slate Creek; Below Orleans 8 miles. 122 Comment
  CAS-BOT-BC235126  Sambucus racemosa var. racemosa C. B. Wolf 1930-10-26 1765 Humboldt 1 mi. so. of Trinidad 91 Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC58013  Sambucus racemosa var. racemosa G. L. Clifton 1979-7-31 11812 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1119899  Sambucus racemosa var. racemosa R. Stahelin 1933-7-19 Humboldt Korbel Eureka Quadrangle (near Riverside plant) Comment
  RSA183619  Sanguisorba minor D. E. Anderson 1965-5-1 3577 Humboldt Along Trinity River at Hoope. Comment
  HSC79384  Sanicula arctopoides Kenneth Clark 1981-5-24 1392 Humboldt Abalone Pt. 15 Comment
  POM256866  Sanicula arctopoides Joseph P. Tracy 1936-5-30 14838 Humboldt Near Samoa on Humboldt Bay. 6 Comment
  HSC26452  Sanicula arctopoides T. O. Osborne 1970-5-17 18 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  BLMAR128  Sanicula crassicaulis Jennifer Anthony-Wheeler 1996-4-3 128 Humboldt Richardson ' s grv., growing along rdside in doug-fir forest 518 Comment
  BLMAR225  Sanicula crassicaulis Jennifer Anthony-Wheeler 1996-7-11 225 Humboldt N.Dobbyn creek, growing throughout understory with I mixed evergreen forest 1005 Comment
  HSC96220  Sanicula crassicaulis April A. Allard, Gregory D. O'Connell 2005-6-8 4 Humboldt 0.4 mi. S of Hwy. 299 on Titlow Hill Rd. 854 Comment
  UC1006710  Sanicula crassicaulis C. Ritchie Bell 1952-5-3 1326 Humboldt near Cobbs (along Mad River); Mad River Comment
  UC1022528  Sanicula crassicaulis C. Ritchie Bell 1952-5-14 3 X456 Humboldt Patrick Point State Park Comment
  UC1197094  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC1197086  Sanicula laciniata Joseph P. Tracy 1921-4-24 5454 Humboldt facing South Fork Eel River (Northern Coast Ranges, Phillipsville); Northern Coast Ranges, Phillipsville 121 Comment
  JEPS992  Sanicula laciniata Joseph P. Tracy 1938-3-27 15701 Humboldt Miranda, along South Fork of Eel River South Fork Eel River; Miranda, South Fork Eel River 121 Comment
  CHSC88615  Sanicula tracyi Linnea Hanson 1993-7-21 346 Humboldt Six Rivers National Forest. Mad River Rock Road. Comment
  HSC68622  Sanicula tracyi Jacqueline Greenleaf 1980-8-5 281 Humboldt Near Dairy Creek. 1158 Comment
  HSC34957  Sanicula tuberosa Thomas W. Nelson 1975-5-24 1863 Humboldt McKeown Ranch, N of Dinsmore. Comment
  JEPS62817  Satureja douglasii W. L. Jepson 1932-8-8 16485 Humboldt Canoe Creek Grasshopper Peak 1066 Comment
  POM284650  Satureja douglasii Lyman Benson 1929-7-16 s.n. Humboldt Weott Ranger Station. Comment
  CDA39134  Scirpus koilolepis Gordon Leppig 1999-10-3 1257 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  HSC58796  Scirpus microcarpus Gilbert Muth 1979-7-31 11522 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  CAS-BOT-BC110924  Scirpus microcarpus Carl B. Wolf 1937-9-11 9324 Humboldt Redwood Highway, 3 mi. No. of Orick at Davidson's Ranch on Prairie Creek. 60 Comment
  HSC62974  Scirpus microcarpus J. M. DiTomaso 1979-5-16 1014 Humboldt Corner of LK Wood and 14th St., Arcata Comment
  HSC15636  Scoliopus bigelovii W. D. Stevens 1964-3-21 2 Humboldt 1.0 mi. E of Hwy. 299 on Lindsay Rd. Comment
  SEINET12050515  Scoliopus bigelovii F. H. Utech 1988-1 88 -022 Humboldt 3.5 mi N of Phillipsville & 1.5 mi S of Miranda along Ave. of the Giants (alt US 101) to Miranda 85 Comment
  UC1125709  Scrophularia californica H. L. Person 1932-7-16 Humboldt Hwy n of Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC582593  Scrophularia californica Joseph P. Tracy 1933-8-22 12980 Humboldt Eureka 6 Comment
  RSA475245  Scrophularia californica Lyman D. Benson 1938-7-11 385 Humboldt Weott Ranger Station. Seaward N Coast Mtn range, S Fork Eel River. 61 Comment
  RSA79453  Scrophularia californica F. W. Peirson 1926-7-13 7053 Humboldt Vicinity of Blue Lake, Mad River. Comment
  SEINET10548800  Scrophularia californica Charlene A. Bennett 1976-8-6 Bennett 480 Humboldt Collected by hwy 101, n side of orick, rocky area, densely forested by river. Comment
  UCR122374  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 7011 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  RSA167233  Scrophularia californica var. californica Joseph P. Tracy 1950-6-8 18752 Humboldt Beach south of Cape Mendocino. Comment
  HSC98722  Scutellaria antirrhinoides Cara Witte 2008-7-16 918 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  UC25792  Scutellaria antirrhinoides Harley P. Chandler June, 1901 1323 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 152 Comment
  HSC35621  Scutellaria antirrhinoides Thomas W. Nelson, B. Reinhardt 1975-7-30 2115 Humboldt E of Pilot Rock Comment
  UC1222866  Scutellaria antirrhinoides Joseph P. Tracy 1950-7-31 19231 Humboldt near Clear Lake (area back of White Rock, Friday Ridge); Grouse Mountain, Friday Ridge 1524 Comment
  UC604643  Scutellaria antirrhinoides Joseph P. Tracy 1938-6-9 15875 Humboldt near Blocksburg (2 mi s of town) 304 Comment
  UC1222181  Sedum divergens Joseph P. Tracy 1950-8-8 19294 Humboldt Granite Rock area Trinity Summit, Croghan Hole, Granite Rock area (Croghan Hole, Trinity Summit) 1676 Comment
  HSC59362  Sedum laxum subsp. heckneri M. A. Baker 1978-7-9 623 Humboldt Confluence of the Trinity River and Tish Tang A Tang Creek Comment
  HSC74192  Sedum laxum subsp. heckneri M. A. Baker 1980-7-23 3134 Humboldt Near Orleans Mtn. 1859 Comment
  HSC79343  Sedum laxum subsp. heckneri D. K. Imper 1983-7-28 Humboldt Six Rivers National Forest, Orleans, off FS 12N20 near Bald Mtn. Comment
  JEPS109415  Sedum laxum subsp. heckneri D. W. Taylor 2004-6-24 19137 Humboldt Clear Lake, along Titlow Hill road. Comment
  HSC6479  Sedum spathulifolium var. spathulifolium Francis Winter 1960-5-7 Humboldt 4 mi. S of Hoopa Indian Reservation, on Hoopa-Willow Creek Rd. 152 Comment
  UC34194  Senecio integerrimus var. major Harley P. Chandler June 1901 1274 Humboldt Hupa Indian Reservation North Coast Ranges 1036 Comment
  UC427870  Senecio integerrimus var. major H. E. Parks and J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley Comment
  UC1199490  Senecio minimus Joseph P. Tracy 1920-9-19 5400 Humboldt along newly constructed road, North Fork of Mad River; Northern Coast Ranges 304 Comment
  HSC102003  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 904 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC74001  Senecio triangularis M. A. Baker 1980-7-22 3106 Humboldt Near Grogan Hole. 1676 Comment
  UC1199234  Senecio triangularis Joseph P. Tracy 1933-7-25 12846 A Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  SEINET7881647 Image available Senecio vulgaris H. E. Parks, S. T. Parks 1934-1 24234 Humboldt Spruce Cove, Trinidad 61 Comment
  JEPS48279  Sequoia sempervirens Lincoln Constance 1934-6-4 822 Humboldt road to Dyerville (Look Prairie and Bull Cr.); Bull Creek region, South Fork Eel River Comment
  MACF015653  Sequoia sempervirens F. A. MacFadden 1935-6-22 13644 Humboldt Richardson's Grove, Humboldt California Comment
  RSA730333  Sequoia sempervirens R. R. Halse 1989-5-13 3842 Humboldt Along Highway 101, 2 miles south of Weott 108 Comment
  UC1184974  Sequoia sempervirens Huron H. Smith 1911-6-16 3824 Humboldt Comment
  HSC98920  Sericocarpus oregonensis var. oregonensis Cara Witte 2008-8-16 1032 Humboldt Intersection of National Forest 1 and Forest Service Road 4N06. 1252 Comment
  CAS-BOT-BC243618  Setaria pumila Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  CHSC69832  Sherardia arvensis W. L. Jepson 1934-5-7 Humboldt Buckey Prairie, Bull Creek. Comment
  HSC12661  Sherardia arvensis J. F. Knezevich 1968-5-21 444 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  HSC34944  Sherardia arvensis Scott M. Kruse 1975-4-6 1 Humboldt H.B.M. Graham Rd., Bayside 4 Comment
  UC502959  Sidalcea asprella Joseph P. Tracy 1928-6-24 8458 Humboldt between Bridgeville and head of Yager (South Yager Creek) 762 Comment
  CAS-BOT-BC205570  Sidalcea malachroides A. M. Vollmer; L. Beane 1951-6-11 136 Humboldt Yager Creek Road, on way to Carlotta Comment
  HSC93948  Sidalcea malachroides Claire Golec 1999-6-2 Humboldt HB&M, old landing off of skid road, along ridgeline above Van Duzen River 427 Comment
  HSC96580  Sidalcea malachroides Gordon Leppig, Todd Treadwell 2005-6-8 2248 Humboldt Blue Slide Creek watershed, Pacific Lumber Co. land. 245 Comment
  RSA33405  Sidalcea malachroides Doris K. Kildale 1927-7-2 s.n. Humboldt Lord (?) Ellis Road, near Korbel Comment
  UC108878  Sidalcea malachroides J. W. Blankinship Jun 17 1893-Jun 20 1893 Humboldt Eureka , Hydesville (Hydesville) Comment
  BLMAR690  Sidalcea malviflora subsp. malviflora Jennifer Wheeler 2013-6-7 690 Humboldt King range, Windy Point 106 Comment
  HSC57355  Sidalcea malviflora subsp. nana Overton, Butler 1979-7-26 10047 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC176967  Sidalcea malviflora subsp. patula Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3597 Humboldt near Hydesville; Northern Coast Region 30 Comment
  RSA183641  Silene californica D. E. Anderson 1965-5-15 3709 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  UC8435  Silene campanulata subsp. campanulata Bolander 1866-1 6517 Humboldt Red Mountain Comment
  CAS-BOT-BC174876  Silene campanulata subsp. glandulosa Clarence R. Quick 1959-7-24 59 -33 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC76246  Silene campanulata subsp. glandulosa Denis Kearns 1981-6-24 1 Humboldt Near Cedar Camp 1219 Comment
  UCD98674  Silene gallica H. E. Parks; S. T. Parks 1937-5-1 5938 Humboldt Trinidad, Spruce Cove. Comment
  BLMAR456  Silene gallica Jennifer Anthony-Wheeler 2008-5-27 456 Humboldt Samoa dunes, growing in Samoa Endangered Plant Protection Area 9 Comment
  HSC90243  Silene gallica Jean Hanson 1980-5-24 57 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  RSA275316  Silene hookeri J. P. Smith, John Sawyer, Jane Cole 1978-5-21 9932 Humboldt Six Rivers National Forest. Along Ishi Pishi Road, 1.5 miles from Ishi Pishi Bridge over the Klamath River. 305 Comment
  CAS-BOT-BC181248  Silene hookeri subsp. hookeri Dean William Taylor 1971-5-12 1064 Humboldt At the junction of the Trinity and New Rivers 304 Comment
  BLMAR685  Silene laciniata subsp. californica Jennifer Wheeler 2013-6-25 685 Humboldt King range, Strawberry Rock 76 Comment
  CAS-BOT-BC389057  Silene laciniata subsp. californica Carl B. Wolf 1927-8-29 1196 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge--Mt. Glen Comment
  HSC41324  Silene laciniata subsp. californica Brad Klipfel 1974-8-2 517 Humboldt Horse Mtn. Comment
  CAS-BOT-BC389052  Silene laciniata subsp. californica D. E. Breedlove 1961-7-4 652 Humboldt 10.9 miles west of Willow Creek on US 299 822 Comment
  UC161035  Silene scouleri subsp. grandis Joseph P. Tracy Sept. 1904 2141 Humboldt bluff back Bucksport (at Eureka); Northern Coast Region, at Eureka 0 Comment
  CAS-BOT-BC389880  Silene scouleri subsp. scouleri Joseph P. Tracy 1904-9-1 2141 Humboldt Northern Coast Region. At Eureka. On bluff back of Bucksport 60 Comment
  RSA21205  Silene scouleri var. scouleri C. B. Wolf 1937-8-10 9094 Humboldt Big Lagoon, so. side, w. side of Redwood Highway 6 Comment
  HSC91612  Sinapis arvensis E. Mackey 1986-12-18 Humboldt Patrick's Point State Park, along Patrick's Point Drive Comment
  SEINET3876405  Sisyrinchium bellum Thomas Nelson 1971-5-9 433 Humboldt Beside highway 36 opposite Goat Rock ca. 1 mi. west of Bridgeville.; 0 Comment
  RSA246758  Sisyrinchium californicum Robert F. Thorne, Percy C. Everett 1965-8-7 35177 Humboldt Big Lagoon, south end. 2 Comment
  JEPS62109  Smilacina racemosa Lincoln Constance 1934-6-2 793 Humboldt Bull Cr. road to mouth of Bull Cr. (and up creek); South Fork Eel River, Bull Creek Region Comment
  SEINET10872207  Solidago Mary Susan Taylor 1990-8-22 Taylor 6079 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. 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-BC365444  Solidago elongata L. R. Abrams 1927-9-1 12064 Humboldt Stone Lagoon Comment
  HSC58093  Solidago elongata G. L. Clifton, Griswold 1979-8-1 12006 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC6183  Solidago elongata William J. Ferlatte, B. D. Rogers 1966-8-15 3131 Humboldt North Bank Rd., 2 mi. N of Arcata Comment
  UC1199318  Solidago elongata Joseph P. Tracy 1921-8-21 5943 Humboldt mouth South Fork of Trinity (near Willow Creek, Trinity River Valley); Northern Coast Ranges, Trinity River Valley, mouth South For 152 Comment
  UC175192  Solidago elongata Joseph P. Tracy 1913-9-9 4397 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  CAS-BOT-BC365663  Solidago spathulata S. K. Harris 1939-9-5 s.n. Humboldt At Samoa Comment
  CAS-BOT-BC365670  Solidago spathulata Ira L. Wiggins 1930-6-25 4616 Humboldt 2 miles north of Samoa Comment
  HSC40262  Solidago spathulata Linda M. Barker 1976-8-2 1670 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  HSC67441  Solidago spathulata J. P. Smith 1971-10-6 4948 Humboldt End of Murray Rd. in McKinleyville. Comment
  JEPS95017  Solidago spathulata Vernon Oswald and Lowell Ahart 1997-9-4 8852 Humboldt 1.1 mi s of Highway 255 (North Spit of Humbold Bay, w side of New Navy Base Road); North Spit of Humbold Bay 6 Comment
  RSA89769  Solidago spathulata P. A. Munz 1954-7-25 19873 Humboldt At Humboldt Lighthouse south of Samoa. Comment
  UC1173677  Solidago spathulata Joseph P. Tracy 1939-8-18 16426 Humboldt on vacant lot on Clark St. (between C and D; 1/2 mi from bay); Eureka 15 Comment
  UC88159  Solidago spathulata Harley P. Chandler May 1901 1203 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  BLMAR663  Solidago velutina subsp. californica Jennifer Wheeler 2012-7-12 663 Humboldt King range, Strawberry rock 253 Comment
  UC1541619  Solidago velutina subsp. californica H. E. and S. T. Parks 1937-9-1 24081 Humboldt Trinidad , Trinidad (Spruce Cove) 64 Comment
  UC1199288  Soliva sessilis Joseph P. Tracy 1939-4-18 16217 Humboldt Garberville 152 Comment
  UCD136156  Sonchus oleraceus Linda M. Barker 1976-6-1 1546 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC235371  Spartina densiflora W. A. Silveus 1938-7-10 2966 Humboldt Eureka Comment
  HSC83043  Spartina densiflora A. L. Eicher 1985-6-19 Humboldt Bordering Humboldt Bay, adjacent to the mouth of Mad River Slough, on SW side 1 Comment
  RSA0097847  Spergularia macrotheca A. A. Heller 1923-7-9 13780 Humboldt Near Arcata. Comment
  HSC49824  Spergularia salina R. York 1979-4-16 238 Humboldt E of the Emerson Mill along Samoa Blvd. Comment
  UC1128714  Spiraea douglasii H. L. Person 1932-7-19 Humboldt Lindsay Creek; Eureka Quad. Comment
  UC1199030  Spiraea douglasii J. P. Tracy 1901-6-30 1198 Humboldt immediate vicinity Eureka 0 Comment
  RSA249515  Spiranthes romanzoffiana Robert F. Thorne, Percy C. Everett 1965-8-9 35294 Humboldt Big Lagoon. 3 Comment
  HSC35344  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1975-8-22 643 Humboldt N of College Cove, Trinidad State Beach Park Comment
  PASA1130  Stachys ajugoides Frank W. Peirson 1932-7-7 Humboldt Near Willow Creek Comment
  SEINET5196066  Stachys ajugoides Unknown 2002-8-22 87 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  UC668213  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 B Humboldt Valley of South Yager Creek 762 Comment
  HSC12560  Stachys arvensis D. La Conte 1970-11-22 11 Humboldt Comment
  HSC14406  Stachys arvensis William J. Ferlatte 1963-5-5 33 Humboldt Near 11th and B St. Arcata Comment
  HSC14420  Stachys chamissonis C. B. Wolf 1941-7-28 11087 Humboldt Between the redwood Hwy. and Crannell 8 Comment
  SDSU7904  Stachys chamissonis Harvey 1938-8-13 2269 Humboldt North of Arcata. Comment
  HSC14421  Stachys rigida J. F. Knezevich 1968-5-14 436 Humboldt 13 mi. S of Ferndale at Cape Mendocino 0 Comment
  HSC61048  Stachys rigida Jimerson, J. Pageau 1979-8-10 747 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  RSA20845  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8885 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC56439  Stellaria calycantha Griswold, Butler 1979-7-12 7168 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC57674  Stellaria crispa G. L. Clifton, Griswold 1979-7-25 10867 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC162629  Stellaria crispa Joseph P. Tracy 1911-7-5 3312 Humboldt near mouth of Willow Creek (tributary of Trinity River); Northern Coast Ranges, Trinity River 304 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
  UC162890  Stellaria media Harley P. Chandler May 1901 1266 Humboldt Redwood Belt; North Coast Ranges 152 Comment
  JEPS79991  Stellaria obtusa Joseph P. Tracy 1935-7-23 14161 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  CAS-BOT-BC375660  Stephanomeria paniculata Doris K. Kildale 1925-8-17 1210 Humboldt Trinity Summit 1828 Comment
  HSC32538  Stephanomeria virgata Thomas W. Nelson 1973-8-19 1115 Humboldt McKeown Ranch N of Dinsmore Comment
  RSA430015  Streptanthus breweri Thomas W. Nelson, Jane P. Nelson 1977-7-4 3587 Humboldt Along W side of road north of Alder Spring, head of N Fork of Conley Creek. 1494 Comment
  CAS-BOT-BC87614  Streptanthus tortuosus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain. 1432 Comment
  UC673194  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-12 2880 Humboldt bluffs at mouth of creek 6 mi ne Weitchpec; Klamath-Siskiyou Region, Bluff Creek 152 Comment
  HSC57945  Streptanthus tortuosus var. tortuosus G. L. Clifton, Terry Griswold 1979-7-31 11620 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC1103500  Streptopus amplexifolius var. americanus Joseph P. Tracy 1930-7-17 8998 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC99624  Symphoricarpos albus var. laevigatus Thomas W. Nelson, James Nelson 1975-9-3 2196 Humboldt Above junction of Maple Creek-Kneeland Rd. Comment
  RSA134176  Symphoricarpos albus var. laevigatus P. C. Everett, E. K. Balls 1959-10-25 23959 Humboldt 14 miles W of Willow Creek on Hwy 299 to Arcata. Comment
  RSA245237  Symphoricarpos albus var. laevigatus Tim Baroni 1971-7-6 112 Humboldt Appox. 2 miles S of Ferndale on Mattole road. Comment
  HSC41258  Symphoricarpos mollis Brad Klipfel 1974-7-23 450 Humboldt Horse Mountain, N from the towers area. Comment
  HSC58812  Symphyotrichum bracteolatum G. L. Clifton, Griswold 1979-8-1 12007 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC58831  Symphyotrichum bracteolatum Overton, Butler 1979-8-2 12678 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC99173  Symphyotrichum chilense Alice Eastwood 1923-8-14 12318 Humboldt Samoa Comment
  HSC90472  Symphyotrichum chilense Jean Hanson 1980-8-28 125 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka. W end of island between dikes. Comment
  SEINET4335925 Image available Symphyotrichum subspicatum H. E. Parks, M. Jackson 24197 Humboldt Big Lgaoon Comment
  SEINET11071711 Image available Symphytum asperum Joseph P. Tracy 1943-1 17448 Humboldt Near Iverson Dairy Ranch, Arcata Comment
  RSA46713  Synthyris reniformis Doris K. Kildale 1926-3-20 1538 Humboldt Big Lagoon. Comment
  UCD124640  Synthyris reniformis D. C. Hagar 1957-6-20 145 -a Humboldt Cedar Creek Divide, 5.5 miles east of Willow Creek. 1066 Comment
  POM126512  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt Brannan Mtn. Along road between Three Creeks and mouth of Willow Creek. 915 Comment
  UC556334  Synthyris reniformis Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  CAS-BOT-BC376737  Tanacetum bipinnatum L. R. Abrams 1916-7-18 6122 Humboldt Arcata to Trinidad Comment
  HSC6249  Tanacetum bipinnatum R. L. Jarvis 1962-4-29 40 Humboldt Freshwater Lagoon, 1 mi. S of Orick on Hwy. 101 0 Comment
  SJSU5383  Tanacetum bipinnatum T. A. Fulton 1969-5-20 Humboldt strand of Stone Lagoon c. 3 mi SW of Orick Comment
  CHSC68541  Tanacetum camphoratum Vernon H. Oswald 1997-4-29 8357 Humboldt Samoa Dunes Recreation Area at the south end of the North Spit separating Humboldt Bay from the ocean. On dunes along the road. 0 Comment
  RSA165849  Tanacetum camphoratum P. A. Munz 1963-6-13 24524 Humboldt At Samoa. Comment
  RSA424923  Tanacetum douglasii R. D. Goeden, D. W. Ricker 1987-9-2 17 Humboldt Loleta, at bay on Cannibal Road. 3 Comment
  HSC59652  Taraxacum officinale Michael Dalke 1979-4-1 12 Humboldt 0.1 mi. E of Hwy. 101, N Bank Rd. 12 Comment
  UC1222750  Tauschia kelloggii Joseph P. Tracy 1950-8-18 19332 Humboldt 1/2 mi along the Blocksburg Road w from the bridge across Larrabee Creek; along Larrabee Creek Comment
  UC21435  Tauschia kelloggii C. C. Marshall Apr. 1888 Humboldt Comment
  HSC1590  Taxus brevifolia J. P. Tracy 1927-3-27 7866 Humboldt Willow Creek Canyon 762 Comment
  HSC55212  Taxus brevifolia Walter Overton 1979-8-1 12351 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC98547  Taxus brevifolia Cara Witte 2008-6-7 687 Humboldt Forest Service Road 5N10. Approximately 1 mile south of intersection with Friday Ridge Road/ 6N08. 1346 Comment
  NY17379  Taxus brevifolia J. P. Tracy 1927-3-27 7865 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
  SD61058  Taxus brevifolia Darley F. Howe 1964-8-7 Humboldt Mill Creek Road, 8.2 miles from Highway #96, Hoopa Valley 1064 Comment
  UC666679  Taxus brevifolia H. S. Reed 1938-7-27 192 Humboldt e fork Willow Creek Comment
  HSC32947  Tellima grandiflora Thomas W. Nelson, James Nelson 1973-5-28 960 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC31634  Tellima grandiflora Glenn McGourty 1974-4-27 20 Humboldt 1 mi. from Capetown Bridge Comment
  RSA183521  Thermopsis gracilis var. gracilis D. E. Anderson 1965-5-15 3692 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  SBBG34242  Thuja plicata L. Rowntree 1931-7-27 Humboldt near Ferndale Comment
  UC275508  Thuja plicata Joseph P. Tracy 1923-6-24 6365 Humboldt Bald Mountain North Coast Ranges, Bald Mountain (in cold wet meadow near high prairie) 1066 Comment
  CAS-BOT-BC88319  Thysanocarpus curvipes Doris K. Kildale 1929-4-25 7478 Humboldt Kneeland Prairie. 853 Comment
  HSC98749  Tiarella trifoliata var. unifoliata Cara Witte 2008-7-7 841 Humboldt National Forest Road 5N10. 2 miles south of intersection with Friday Ridge Road. Near waterhole sign. 1224 Comment
  JEPS49704  Tiarella trifoliata var. unifoliata W. L. Jepson 1932-7-29 16441 Humboldt Weott Comment
  HSC44676  Tolmiea diplomenziesii Brad Klipfel 1973-7-15 214 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC60125  Tolmiea diplomenziesii M. A. Baker 1978-5-20 556 Humboldt Hoopa Indian Reservation Comment
  SEINET12221295  Tolmiea menziesii H. P. Chandler 1901-1 1268 Humboldt North Coast Ranges 457 Comment
  UC169891  Toxicodendron diversilobum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5426 Humboldt between Hubbard's Station and Elk Prairie; North Coast Ranges Comment
  HSC56236  Trautvetteria caroliniensis Walter Overton 1979-8-1 12318 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC18246  Trautvetteria caroliniensis J. P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  BLMAR387  Triantha occidentalis Jennifer Anthony-Wheeler 2004-7-1 387 Humboldt Horse Mtn, mixed conifer in serp.seep Comment
  RSA82198  Trichostema laxum F. W. Peirson 1926-7-13 7063 Humboldt Mad River, vicinity of Blue Lake. Comment
  CHSC31274  Trientalis latifolia Mark Stopher 1980-5-20 70 Humboldt In dense forest along the Van Duzen River near Rte 36. Comment
  UC1052444  Trientalis latifolia H. E. and S. T. Parks 1952-6-1 7548 A Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove 60 Comment
  HSC48609  Trientalis latifolia Mark Flippo 1978-4-8 3 Humboldt McKinleyville; Bella Vista Hill Comment
  SEINET11996902  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -283 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC1197213  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1912-6-9 3668 Humboldt Alton Northern Coast Ranges Comment
  UC1197235  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1921-6-12 5820 Humboldt Kneeland Prairoe Northern Coast Ranges 762 Comment
  JEPS65948  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-5-14 8007 Humboldt near South Fork; North Coast Ranges, Trinity River Valley 182 Comment
  CHSC84526  Trifolium arvense John Dittes; Josephine Guardino 2003-6-7 2003 -65 Humboldt Klamath Range; ca. 7.7 air-mile southwest of Orleans, ca. 4.1 air-miles northeast of confluence of Trinity River and Klamath River, ca. 0.3, air-mile northwest of confluence of Klamath River and Aikens Creek. Along entrance road to Aikens Creek Campground. 106 Comment
  UC1197200  Trifolium ciliolatum Joseph P. Tracy 1914-5-14 4455 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC1223487  Trifolium cyathiferum Joseph P. Tracy 1934-6-27 11082 Humboldt 2 mi s Horse Mtn (Grouse Mtn, Cold Springs) 1432 Comment
  HSC73960  Trifolium dichotomum Gail Newton 1980-6-7 128 Humboldt Near Brush Mtn. 1128 Comment
  UC1602084  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-8 8728 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC495650  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-21 8769 1/2 Humboldt Larrabee VAlley Northern Coast Ranges 701 Comment
  UC495651  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-21 8770 Humboldt Larrabee valley Northern Coast Ranges 701 Comment
  HSC71067  Trifolium fucatum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3400 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC43108  Trifolium fucatum Maralyn O'Meara 1974-5-14 360 Humboldt Along Hwy. 36, 7.1 mi. E of Bridgeville Comment
  SEINET12154196  Trifolium fucatum L. K. Henry 1971-1 s.n. Humboldt Along Rt. 36, 2 mi E of Dinsmore, in Six Rivers Nat'l Forest Comment
  UC906701  Trifolium gracilentum Harold E. Parks and Joseph P. Tracy 1942-5-16 11549 Humboldt vicinity Garberville 152 Comment
  UC1197198  Trifolium gracilentum J. P. Tracy 1905-4-16 2162 1/2 Humboldt Ocean View Cemetary Eureka 0 Comment
  JEPS109912  Trifolium howellii Dean W. Taylor 2006-8-3 19574 Humboldt Snow Camp Lake; un-named first-order tributary to Redwood Creek not shown on USGS map 1 mile NE of the lake. Comment
  UC1223452  Trifolium howellii Joseph P. Tracy 1934-7-18 13449 Humboldt at top Grouse Mtn 1524 Comment
  SD73200  Trifolium incarnatum Darley F. Howe 1969-6-3 4623 Humboldt 13 miles north of Orick on Hwy 101 Comment
  HSC100535  Trifolium involucratum Carl C. Marshall Jun 1885 117 Humboldt Near the bay anywhere. Comment
  HSC15234  Trifolium longipes subsp. oreganum D. E. Anderson 1965-6-1 3770 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  HSC39424  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2711 Humboldt Along old trail from lookout to Blocksburg 1555 Comment
  UC175678  Trifolium longipes subsp. oreganum Joseph P. Tracy 1913-6-17 4161 Humboldt Northern Coast Ranges. Buck Mountain, near summit. 1524 Comment
  UC165529  Trifolium longipes var. hansenii Joseph Burtt Davy 1899-6-22 5765 Humboldt Trinity Summit Comment
  UC495659  Trifolium longipes var. oreganum Joseph P. Tracy 1930-7-23 9136 Humboldt Horse Ranges Northern Coast Ranges Comment
  UC1197232  Trifolium macraei Joseph P. Tracy 1923-6-18 6281 Humboldt near Mazeppa Ranch (Bear River Ridge); Northern Coast Ranges 30 Comment
  HSC71633  Trifolium microcephalum J. P. Smith 1973-5-26 6878 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1541577  Trifolium microcephalum Harold E. Parks May 1930 883 Humboldt Laribee Valley 762 Comment
  HSC15147  Trifolium microdon J. W. Johnson 1962-5-10 1332 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  UC1197501  Trifolium obtusiflorum Joseph P. Tracy 1915-6-6 4648 Humboldt along rr track (Eureka); Northern Coast Region 0 Comment
  JEPS4443  Trifolium oliganthum Joseph P. Tracy 1921-4-24 5438 Humboldt facing South Fork of Eel River (Phillipsville); Northern Coast Ranges 121 Comment
  HSC45134  Trifolium oliganthum R. Sutherland 1978-5-21 2 .21578 Humboldt 433 Comment
  HSC28180  Trifolium repens Richard Curtis 1973-9-27 18 Humboldt Arcata, on the N side of 7th St. just before it crosses the freeway. Comment
  HSC71616  Trifolium repens J. P. Smith 1973-5-26 6822 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1197553  Trifolium variegatum var. melananthum Joseph P. Tracy 1930-5-18 8695 Humboldt Roseville golf course Northern Coast Ranges 152 Comment
  JEPS4135  Trifolium variegatum var. variegatum Joseph P. Tracy 1929-5-5 8570 Humboldt Miranda Northern Coast Ranges, South Fork Eel River 121 Comment
  HSC15177  Trifolium willdenovii D. E. Anderson 1965-5-8 3643 Humboldt About 2 mi. N of Willow Creek on the road running along E side of Trinity River Comment
  HSC103842  Trifolium wormskioldii G. D. Barbe, T. C. Fuller 1974-6-17 1850 Humboldt Crescent City; Pebble Beach Rd., south of Airport and Washington Blvd. Comment
  HSC15196  Trifolium wormskioldii J. W. Bosworth 1965-5-14 50 Humboldt 1 mi. N of Fairhaven Comment
  UC1223522  Trifolium wormskioldii Joseph P. Tracy 1938-7-15 16076 Humboldt mouth of Eel River 3 Comment
  RSA167422  Trifolium wormskioldii Joseph P. Tracy 1938-6-12 16056 Humboldt Fields Landing. Moist flats along edges of foothills, 2 miles south of town. 6 Comment
  RSA639405  Trifolium wormskioldii Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-7 35196 Humboldt Big Lagoon; at edge of bog at south end of lagoon. 2 Comment
  HSC90318  Triglochin concinna Jean Hanson 1981-5-10 138 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  HSC14174  Triglochin maritima W. R. Brigham 1962-5-19 11 Humboldt S of Big Lagoon. Comment
  HSC89895  Triglochin maritima Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  HSC96468  Triglochin maritima Gordon Leppig 1997-6-19 465 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC59493  Triglochin maritima M. A. Ericksen 1979-4-21 214 Humboldt Big Lagoon County Beach Comment
  CAS-BOT-BC520054  Trillium albidum Doris K. Kildale 1930-5-11 9542 Humboldt The Bald Hills Comment
  CAS-BOT-BC133394  Trillium ovatum L. R. Abrams 1922-6-25 8257 Humboldt North of Mad River near Arcata Comment
  HSC15693  Trillium ovatum T. O. Preston 1963-4-22 26 Humboldt Comment
  SEINET3888797  Trillium ovatum S. R. Johnson 1965-3-19 15 Humboldt 2 miles north of Luffenholtz Beach.; 0 Comment
  SJSU10558  Trillium ovatum C. P. Hansen 1966-4-6 70 Humboldt by Kneeland Rd 20 mi E of Eureka Comment
  HSC98740  Trillium ovatum subsp. ovatum Cara Witte 2008-6-4 685 Humboldt Ammon Ridge Road. Approximately 1/2 mile east of intersection with National Forest 1. 1562 Comment
  CAS-BOT-BC521319  Trillium rivale Volney Rattan 1883-6-1 s.n. Humboldt Willow Creek; Pacific Coast Comment
  SEINET12051358  Trillium rivale F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -294 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  SEINET10972644  Triodanis biflora Lincoln Constance Constance 818 Humboldt LOOK PRAIRIE Comment
  JEPS10700  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1932-5-1 9888 Humboldt vicinity Garberville 121 Comment
  JEPS10699  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1944-5-14 17465 Humboldt near Eureka Bucksport; at Bucksport 6 Comment
  HSC70582  Triphysaria pusilla Sue Sweet 1981-4-30 548 Humboldt Lanphere-Christensen Dunes Preserve, along trail N of weather station Comment
  HSC38336  Triphysaria versicolor subsp. faucibarbata Peter Sorensen 1976-7-11 Humboldt King Salmon Comment
  UC1056012  Trisetum canescens W. L. Colwell 1954-10-12 10 Humboldt 4 mi ne Blocksburg 1127 Comment
  UC1133275  Trisetum canescens H. S. Yates 1936-6-17 5704 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad. 792 Comment
  UC552800  Trisetum canescens Joseph P. Tracy 1935-7-25 14235 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC193515  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek 152 Comment
  CAS-BOT-BC193518  Trisetum cernuum John Thomas Howell; Gordon H. True; Lewis S. Rose 1972-6-5 48819 Humboldt Patrick Point State Park Comment
  HSC58671  Trisetum cernuum Gilbert Muth 1979-8-1 12147 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC1197723  Triteleia bridgesii Joseph P. Tracy 1911-7-7 3413 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  HSC3038  Triteleia hyacinthina D. E. Anderson 1962-7-14 2259 Humboldt Along Barry Ridge Rd. Comment
  HSC91592  Triteleia laxa E. Mackey 1986-6-16 Humboldt Patrick's Point State Park, near Ceremonial Rock Comment
  HSC13439  Triticum aestivum L. M. Malloy 1965-5-20 30 Humboldt Old county dump, 5 mi. from Arcata on Fickle Hill Rd. Comment
  HSC49015  Tropaeolum majus Patricia Shesgreen 1978-8-5 129 Humboldt Along side road on 16th St., 100 yds. E of Union St., Arcata. Comment
  CAS-BOT-BC85893  Tsuga heterophylla Joseph P. Tracy 1940-8-25 16704 Humboldt Bald Mountain 914 Comment
  OBI33131  Tsuga heterophylla David J. Keil 1983-7-2 17305 Humboldt Freeway exit from US 101 at Patrick's Point Comment
  RSA648962  Tsuga heterophylla David J. Keil 1983-7-2 17305 Humboldt Freeway exit from US 101 at Patrick s Point. Comment
  SBBG11120  Tsuga heterophylla D. E. Breedlove 1961-7-4 669 Humboldt US Hwy 299, 4.1 mi E of the N fork of the Mad River 609 Comment
  SEINET3875748  Tsuga heterophylla K. S. Erdman 1970-6-18 4798 Humboldt Cal-Barrow Road, 3 miles E. of US 101 at boundary of Prairie Creek State Park (redwood National Park).; 0 Comment
  SJSU136  Tsuga heterophylla Emily D. Smith 1934-8-23 Humboldt Big Lagoon midway between Trinidad & Orick Comment
  HSC63002  Typha latifolia David Wheeler 1979-5-29 145 Humboldt S end of H St., Arcata. Comment
  HSC40296  Umbellularia californica Lloyd Simpson 1977-4-17 253 Humboldt Warren Creek Rd. 0.25 mi. from West End Rd. 30 Comment
  POM272289  Umbellularia californica Lyman Benson 1929-7-16 1845 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  UC1196284  Umbellularia californica Joseph P. Tracy 1912-3-31 3570 Humboldt in valley of Mad River near Glendale; Northern Coast Ranges 30 Comment
  HSC100513  Umbellularia californica Carl C. Marshall Apr 1887 358 Humboldt Moist ground back from coast. Comment
  SEINET12102554  Umbellularia californica E. H. Graham 1931-1 6960 Humboldt Along highway near Garberville Comment
  CAS-BOT-BC193962  Vaccinium cespitosum Doris K. Kildale 1927-7-10 3725 Humboldt Gans Prairie, Bald Hills Comment
  UC22197  Vaccinium membranaceum J. Burtt Davy 1899-6-21 5759 Humboldt Trinity Summit North Coast Ranges 1524 Comment
  HSC34645  Vaccinium ovatum Thomas Anthony 1975-4-8 3 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  POM285980  Vaccinium ovatum Lyman Benson 1929-7-16 1938 Humboldt Weott Ranger Station. Comment
  UC412670  Vaccinium ovatum Mrs. M. H. Manning Apr 1899 Humboldt Hupa Valley Comment
  UC902049  Vaccinium ovatum Joseph P. Tracy 1949-6-20 18323 Humboldt near Boynton Prairie 609 Comment
  CDA38877  Vaccinium ovatum Gordon Leppig 1998-6-26 854 Humboldt McKinleyville, Rte 101 at Mad River Overlook. Comment
  CAS-BOT-BC199406  Vaccinium parvifolium Clarence R. Quick 1959-7-24 59 -35 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  CAS-BOT-BC199411  Vaccinium parvifolium Doris K. Kildale 1926-3-25 1628 Humboldt Liscom Hill near Essex, Lower Mad River Comment
  HSC66213  Vaccinium parvifolium M. Sacks 1977-5-8 1 Humboldt S end of Patricks Point State Park, ca. 0.2 mi. W of Hwy. 101 and 5 mi. N of Trinidad 61 Comment
  LA44792  Vaccinium parvifolium Carl Epling; William Robison 1935-7-22 sn Humboldt Patrick's Point Comment
  RSA303471  Vaccinium parvifolium J. R. Shevock 1972-3-26 1470 Humboldt Along Hwy 299. 366 Comment
  UC562450  Vaccinium parvifolium Joseph P. Tracy 1927-6-12 8133 Humboldt Horse Mountain 1432 Comment
  UC1239584  Valeriana sitchensis subsp. scouleri Mrs. R. D. Douglass 1919-5-8 Humboldt near Ferndale; Nothern Coast Region Comment
  HSC81827  Valeriana sitchensis subsp. sitchensis Thomas W. Nelson 1979-7-11 5027 Humboldt Along trail from Grogan's Hole to North Trinity Mtn., from Grogan's Hole to summit. Comment
  CAS-BOT-BC76052  Vancouveria hexandra W. R. Dudley 1899-6-1 s.n. Humboldt Unspecified. Comment
  HSC97659  Vancouveria planipetala Danny Pineda 2001-5-3 26 Humboldt 3 mi. E of Hwy. 299 on West End Rd. 61 Comment
  RSA259548  Vancouveria planipetala A. Montalvo, J. D. Ackerman 1974-7-17 377 Humboldt Grizzly Creek State Park, along Hwy. 36, between Carlotta and Bridgeville. Comment
  UCD95098  Vancouveria planipetala H. P. Olmo 1928-6-10 s.n. Humboldt Wooley Creek. Comment
  UC1198212  Veratrum californicum var. californicum Joseph P. Tracy 1932-7-20 10733 Humboldt Corral Prairie Trinity Summit 1584 Comment
  JEPS80003  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  UC1173646  Veratrum insolitum Joseph P. Tracy 1936-8-8 15127 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC1198205  Veratrum viride Joseph P. Tracy 1937-8-12 15659 Humboldt Snow Camp 1402 Comment
  JEPS11194  Verbascum thapsus W. L. Jepson 1936-8-12 17873 Humboldt South Fork Eel River Phillipsville; South Fork Eel River Comment
  CDA30233  Verbena lasiostachys M. K. Beyers, I. Shepardson 2009-9-13 240 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  RSA46832  Veronica americana Doris K. Kildale 1926-5-9 1988 Humboldt Kneeland Prairie. Comment
  HSC28222  Veronica americana John R. Keith 1973-5-15 Humboldt Abandoned log pond about 200 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  RSA12557  Veronica americana Carl B. Wolf 1934-7-2 5882 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC147898  Veronica peregrina subsp. xalapensis J. P. Tracy 1909-5-23 2976 Humboldt immediate vicinity of Eureka 0 Comment
  HSC21209  Veronica persica Elrid H. Spinas 1948-5-22 35 Humboldt Horse Mtn. Comment
  UC176113  Veronica scutellata Joseph P. Tracy 1912-7-21 3778 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC21200  Veronica serpyllifolia subsp. humifusa D. E. Anderson 1965-9-5 4093 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC147902  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1909-5-2 2958 Humboldt immediate vicinity of Eureka 0 Comment
  UC1197462  Vicia americana var. americana Joseph P. Tracy 1933-6-24 12613 Humboldt Big Lagoon 91 Comment
  UC1197465  Vicia americana var. americana Joseph P. Tracy 1911-7-1 3277 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC709405  Vicia americana var. americana Joseph P. Tracy 1935-5-26 13908 Humboldt Iaqua 609 Comment
  UC33398  Vicia americana var. americana W. C. Blasdale 1896-6-7 Humboldt Graham's Comment
  BLMAR723  Vicia gigantea Jennifer Wheeler 2014-4-20 723 Humboldt South Spit/Mike Thompson Wildlife Area, South Jetty Rd on Table Bluff cliff face 3 Comment
  RSA755059  Vicia hirsuta Robert F. Thorne, Percy C. Everett 1965-8-8 35266 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  SEINET12157875  Vicia hirsuta J. P. Tracy 1944-1 17474 Humboldt slowly spreading in Eureka (same place as # 17428) Comment
  POM161054  Vicia sativa Joseph P. Tracy 1926-5-2 7433 Humboldt Trinity River Valley, near the south fork. Comment
  CAS-BOT-BC263943  Viola adunca Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 5.5 miles E of Orick Comment
  CAS-BOT-BC263951  Viola adunca L. B. Kildale 1926-3-26 1656 Humboldt Dillon Road between Beatrice and Field's Landing Comment
  UC1198463  Viola adunca Joseph P. Tracy 1926-3-14 7384 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  HSC89496  Viola adunca var. adunca P. A. Daly 1984-5-8 12 Humboldt Trinidad Head 61 Comment
  UC707010 Image available Viola californica Milo S. Baker 1946-6-14 11492 Humboldt Miller Spring South Fork Mt.; S Fork of Miller Spring, Humboldt Co. 1524 Comment
  HSC31194  Viola cuneata D. E. Anderson 1972-6-20 5749 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC71038  Viola glabella Thomas W. Nelson 1977-4-20 3330 Humboldt Along USFS Road 1N15 at summit 915 Comment
  HSC73155  Viola glabella M. A. Baker 1980-5-18 1299 Humboldt Near Black Mtn. 1006 Comment
  HSC85895  Viola glabella Barry Silver 1986-4-23 534 Humboldt Bair Rd., 10 mi. NW of junction with Hwy. 299: Pine Ridge Summit Area 997 Comment
  HSC21788  Viola glabella D. K. Smith 1968-4-8 13 Humboldt On West End Rd., ca. 3 mi. from U.S. 299 Comment
  HSC48637  Viola glabella Mark Flippo 1978-5-21 81 Humboldt USFS Rd. 8N20 Comment
  HSC33056  Viola hallii Thomas W. Nelson 1974-5-7 1234 Humboldt Beside airstrip at Kneeland Prairie Comment
  UCR139069  Viola hallii E. Brower, S. Marubayashi, E. Perry 1997-5-10 054 Humboldt USFS Road 1, at mile marker 8 945 Comment
  HSC26636  Viola lobata subsp. integrifolia Thomas W. Nelson 1971-5-31 456 Humboldt Near the Mad River N of Dinsmore Comment
  UC502950  Viola macloskeyi Joseph P. Tracy Jul 16 1930-Jul 19 1930 8974 Humboldt South Fork Mountain at McKay Camp McKay Camp; Northern Coast Ranges, South Fork Mountain, McKay Camp 1676 Comment
  UC1537666  Viola ocellata Gordon H. True Jr. 1936-5-11 460 Humboldt 12 mi w of Miranda (e slope of Elk Ridge); Elk Ridge 457 Comment
  BLMAR619  Viola praemorsa Jennifer Wheeler 2011-5-24 619 Humboldt Lacks Creek, Stormy saddle 975 Comment
  POM222663  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt Near headwaters of South Fork of Yager Creek, about 2 mi W of Bridgeville-Kneeland Hwy, on road to Carlotta. Comment
  UC1749316  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt headwaters of Yager Creek, South Fork Comment
  HSC36500  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1892 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  CHSC2036  Viola sempervirens E. Crouch 1929-5-9 Humboldt Redwoods. Comment
  CHSC24861  Viola sempervirens W. A. Vaccaro 1976-4-4 1 Humboldt Population ca. 300 yds ne of intersection of Cedat St. and W. St., Cutten. 45 Comment
  HSC21856  Viola sempervirens H. E. Parks, S. T. Parks Apr 1944 24268 Humboldt Spruce Cove, Trinidad 61 Comment
  CAS-BOT-BC203052  Vitis californica L. B. Kildale 1930-6-1 9754 Humboldt Klamath River at Bluff Creek Comment
  UC204712  Vulpia microstachys var. microstachys Joseph P. Tracy 1918-5-26 4942 Humboldt Redwood Creek Northern Coast Ranges, Grouse Mt. (lower foothills of Grouse Mt) 762 Comment
  SEINET200330 Image available Vulpia microstachys var. pauciflora Joeseph P. Tracy 4463 Humboldt Fort Seward 122 Comment
  HSC71718  Vulpia myuros M. A. Baker 1980-6-26 2446 Humboldt Near Sims Creek 610 Comment
  HSC9924  Vulpia myuros Yarick 1960-8-3 Humboldt K & K. 7 mi, Krueger Cr. Comment
  CAS-BOT-BC128817  Whipplea modesta Doris K. Kildale 1928-7-24 5267 Humboldt Redwood Creek at Berry's 289 Comment
  CHSC68557  Whipplea modesta Vernon H. Oswald 1997-4-29 8356 Humboldt Humboldt Bay NWR, Hookton Slough Trail on the levee along the south side of Hookton Slough. On the edge of the trail. 0 Comment
  HSC99406  Whipplea modesta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 55 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET12217528  Whipplea modesta F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -299 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  CAS-BOT-BC382923  Wyethia angustifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC6316  Wyethia angustifolia Frances Oldridge 1945-1 Humboldt Arcata Comment
  HSC63840  Wyethia angustifolia M. A. Baker 1979-6-26 908 Humboldt S facing ridge Comment
  RSA167404  Wyethia angustifolia Joseph P. Tracy 1950-6-8 18739 Humboldt Near Capetown, Bear River Ridge. 30 Comment
  CAS-BOT-BC326979  Wyethia longicaulis Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  UC419036  Wyethia longicaulis H. E. Parks May 1930 740 Humboldt Laribee Valley 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
  UC13722  Xerophyllum tenax Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  UCSB26612  Zeltnera muehlenbergii Havlik, Neil 1968-8-22 Humboldt Bull Creek Flat; Humboldt Redwoods State Park Comment
  UC1005682  Zigadenus micranthus var. micranthus Frank W. Gould 1939-5-30 840 Humboldt about one-half mi below the ski-hut (about 25 mi due e Eureka, Horse Mountain); Horse Mountain 1100 Comment
  UC1222523  Zigadenus venenosus var. venenosus Joseph P. Tracy 1950-6-25 18882 Humboldt nw slope Buck Mountain; , Burr Valley 1066 Comment



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