40.79109 40.89109 -124.10159 -124.00159 UC/JEPS: Consortium Search Results
Search Results — 992 specimen records retrieved (992 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  HSC13030  Abies grandis D. Santana, C. Kline Oct 1970 3 Humboldt HSC Campus Comment
  HSC28258  Abies grandis Gary S. Lester 1973-12-2 57 Humboldt Humboldt State University Campus, Arcata Comment
  HSC45921  Abies grandis Jerome Peterson 1978-5-28 28 Humboldt HSC Campus, NW of Founders Hall Comment
  RSA33416  Abies grandis Doris K. Kildale 1941-7-25 s.n. Humboldt Arcata Comment
  SD136394  Abies grandis Doris Kildale Niles 1941-7-25 Humboldt Arcata Comment
  SD42383  Abies grandis Doris Kildale Niles 1941-7-25 Humboldt Arcata Comment
  HSC12834  Abies magnifica Thomas W. Nelson, Wilbur Peterson 1970-12-2 296 Humboldt HSC Campus, W side of tennis court Comment
  CAS-BOT-BC330548  Acer circinatum H. E. McMinn 1922-8-5 355 Humboldt Near Van Duzen River Comment
  UC35021  Acer circinatum Chesnut and Drew 1888-5 Humboldt Arcata Comment
  HSC12932  Acer macrophyllum C. E. Fellows 1970-11-9 351 Humboldt HSC Campus, S side Bio Greenhouse Comment
  HSC13074  Acer macrophyllum D. Santana, C. Kline Oct 1970 23 Humboldt HSC Campus Comment
  SD17523  Achillea millefolium Edith A. Purer 1932-7-27 4133 Humboldt Near Arcata Comment
  CAS-BOT-BC62289  Adiantum aleuticum T. G. W. 1924-7-1 s.n. Humboldt Arcata Comment
  HSC13040  Adiantum aleuticum C. Kline, D. Santana Oct 1970 44 Humboldt HSC Campus Comment
  HSC30347  Adiantum aleuticum Dale R. Gradek 1974-5-28 95 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  HSC97598  Adiantum aleuticum Steven Lee 2004-4-6 9 Humboldt N side of Jolly Giant Cr. Rd., Redwood Community Forest Comment
  POM187915  Ageratina occidentalis Marcus E. Jones 1931-7-16 s.n. Humboldt Junction, East of Arcata. Comment
  UC1199315  Ageratina occidentalis Joseph P. Tracy 1939-8-20 16431 Humboldt near Blue Lake; Mad River 15 Comment
  UC249533  Ageratina occidentalis Joseph P. Tracy 1922-7-15 6101 Humboldt gravel bar near Blue Lake; Northern Coast Ranges of California, Mad River 15 Comment
  UC479498  Ageratina occidentalis Marcus E. Jones, A. M. 1931-7-16 29137 Humboldt junction e of Arcata Comment
  HSC35452  Agrostis capillaris J. D. Ackerman 1975-8-2 602 Humboldt Intersection of Indianola Cutoff and US Hwy 101. 3 Comment
  HSC8829  Agrostis capillaris D. J. Wilder 1965-5-9 32 Humboldt Arcata, 151 G st. Comment
  RSA129700  Agrostis capillaris H. S. Yates 5685 Humboldt Near Bayside 9 Comment
  CAS-BOT-BC127286  Agrostis exarata W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  UCD52555  Agrostis hallii P. B. Kennedy 1929-6-14 308 Humboldt Humboldt County. Comment
  HSC35455  Agrostis microphylla J. D. Ackerman 1975-8-2 603 Humboldt Intersection of Indianola Cutoff and US Hwy 101. 3 Comment
  UC589898  Agrostis pallens H. S. Yates 1936-6-16 5685 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  HSC8802  Agrostis stolonifera John Warner Hosking 1966-8-6 Humboldt Aracata, HSU campus, near Wildlife Bldg. Comment
  HSC8811  Agrostis stolonifera D. J. McVean 1965-4-13 17 Humboldt 900 block of Shirley Blvd. Arcata Comment
  HSC47784  Aira caryophyllea Michael A. Watkins 1978-6-10 10 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  HSC8855  Aira caryophyllea N. R. Waite 1965-5-19 41 Humboldt W edge of Humboldt State University campus. Comment
  SACT000239  Aira caryophyllea Lyle Bibb 1963-5-11 Humboldt Coastal salt marsh near Arcata Comment
  SEINET185294  Aira caryophyllea Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-8 15072 Humboldt Coolidge Tree Redwood Park Comment
  HSC37500  Alisma triviale J. D. Ackerman 1975-8-2 611 Humboldt Intersection of Indianola Cutoff and Hwy. 101, ca. half-way between Eureka and Arcata. Comment
  HSC2941  Allium triquetrum D. V. Sanford 1963-4-27 48 Humboldt Near old mill behind HSC campus Comment
  UCR275114  Allium triquetrum Charity A. Hartshorn 2016-4-24 08 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CAS-BOT-BC169534  Alnus rubra Doris K. Kildale 1929-2-28 6946 Humboldt Arcata - State Teachers College Comment
  HSC12852  Alnus rubra C. E. Fellows 1970-11-28 318 Humboldt Arcata, HSC Campus, SW of science building Comment
  HSC12947  Alnus rubra Steve Dorei 1970-10-9 27 Humboldt Arcata, near NE entrance to Wildlife building on Humboldt State University campus Comment
  HSC13111  Alnus rubra Steve Dorei 1970-10-13 40 Humboldt Arcata, HSC Campus W of Forestry Building along W edge of parking lot Comment
  HSC13115  Alnus rubra C. Kline, D. Santana Oct 1970 31 Humboldt HSC Campus Comment
  HSC3395  Alnus rubra D. A. Shally 1965-5-15 52 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC3396  Alnus rubra Dan O'Brien 1962-5-19 Humboldt 4.5 mi. E on Fickle Hill Rd. Comment
  HSC59200  Alnus rubra Terry Roth 1979-5-24 76 Humboldt Union St. near 11th St. Comment
  HSC62778  Alnus rubra M. Dean Griswold Jr. 1979-5-30 89 Humboldt Along rd. up Jolly Giant Creek Comment
  HSC69582  Alnus rubra R. Kalal 1979-5-18 66 Humboldt Union St. between 11th and 12th St. 34 Comment
  SFV18531  Alnus rubra D. Waller 2002-5-7 71 Humboldt Arcata. Intersection of L. K. Wood and Redwood Ct. 61 Comment
  HSC8884  Alopecurus geniculatus True Hoyle 1967-7-15 28267 Humboldt Dolson Ranch, 225 Bayside Rd., Arcata, next to Grade A milking barn 152 Comment
  HSC8898  Alopecurus geniculatus W. F. Cartwright 1965-5-20 77 Humboldt 5 mi. S of Arcata on Old Arcata Rd. Comment
  RSA129283  Alopecurus geniculatus H. L. Person 1932-5-11 19411 Humboldt Near Arcata 0 Comment
  HSC8894  Alopecurus pratensis D. J. McVean 1965-5-18 78 Humboldt Old Arcata Rd., S of intersection with Indianola Rd. Comment
  HSC8896  Alopecurus pratensis W. F. Cartwright 1965-5-20 78 Humboldt 5 mi. S of Arcata on Old Arcata Rd. Comment
  HSC8900  Alopecurus pratensis L. M. Malloy 1965-3-27 2 Humboldt Arcata, 0.5 mi. W of Alliance Store along N side of Alliance Rd. Comment
  RSA129279  Alopecurus pratensis H. L. Person 1932-5-11 19401 Humboldt Redwood Highway, Arcata o Eureka. 0 Comment
  CHSC2118  Ammophila arenaria M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC17828  Anagallis arvensis Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC100422  Anaphalis margaritacea Carl C. Marshall Aug 1886 251 Humboldt Near Arcata. Comment
  HSC49064  Anaphalis margaritacea Patricia Shesgreen 1978-8-2 125 Humboldt Arcata Community Forest, Arcata; 200 yds. N of field house on top of hill overlooking baseball field Comment
  JEPS20544  Anaphalis margaritacea Chesnut and Drew 1888-8-8 Humboldt Arcata Comment
  RSA1464  Anaphalis margaritacea E. R. Johnson 1929-08 1407 Humboldt Arcata Redwood Park 76 Comment
  UC54004  Anaphalis margaritacea Chesnut and Drew 1888-8-8 Humboldt Arcata Comment
  CDA38195  Angelica lucida Gordon Leppig 1998-6-18 839 Humboldt Route 101 on Humboldt Bay at mouth of Jacoby Creek. Comment
  HSC21448  Angelica lucida B. R. Templeton 1962-5-15 Humboldt Hwy 101, 3 mi. S of Arcata. Comment
  HSC71328  Angelica lucida J. M. DiTomaso 1981-6-16 2013 Humboldt Hwy. 101, 1 mi. S of Samoa Blvd., Arcata. Comment
  HSC8638  Angelica lucida D. E. Anderson 1966-10-29 4347 Humboldt Along E side of Humboldt Bay, 1 mi. S of Arcata. Comment
  HSC93230  Angelica lucida Clair Golec 1998-5-29 Humboldt Mouth of Jacoby Creek at Humboldt Bay. Comment
  RSA246794  Angelica lucida R. F. Thorne, P. Everett 1965-8-9 35337 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  RSA246846  Angelica lucida R. F. Thorne, P. Everett 1965-8-9 35337 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  UC1400338  Angelica lucida Robert F. Thorne and P. Everett 1965-8-9 35337 Humboldt along Hwy 101 about 3 mi n Eureka 1 Comment
  HSC5263  Anthoxanthum occidentale John Warner Hosking 1966-8-5 Humboldt Fickle Hill Rd, 1 mi. E of Arcata. Comment
  HSC90322  Anthoxanthum occidentale C. Wilson, P. Kittelson, M. Hardig 1992-5-2 61 Humboldt 50 m up dirt road E of Redwood Science Lab. 61 Comment
  HSC90402  Anthoxanthum occidentale Michele Lewis, Lisa Sims, Roger Cook 1992-5-12 49 Humboldt Behind the Redwood Science Lab, down gated fire access road 50 m, 10 m to right of trail. Comment
  CAS-BOT-BC137740  Anthoxanthum odoratum H. S. Yates 1936-6-16 5684 Humboldt Near Bayside. 9 Comment
  GH341432  Anthoxanthum odoratum R. W. Pohl 1963-6-2 9446 Unknown near Jacoby Creek, 3 mi. SE of Arcata, Humboldt Co., California. Comment
  HSC34811  Anthoxanthum odoratum Dryden 1975-4-21 128 Humboldt Arcata 0 Comment
  HSC47943  Anthoxanthum odoratum Michael A. Watkins 1978-6-10 5 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC8938  Anthoxanthum odoratum W. F. Nickel 1965-3-17 Humboldt Humboldt State University campus, behind wildlife building Comment
  HSC8939  Anthoxanthum odoratum N. R. Waite 1965-5-19 40 Humboldt W edge of Humboldt State University campus. Comment
  HSC8940  Anthoxanthum odoratum R. Berg 1963-2-23 1 Humboldt Arcata, Fickle Hill area Comment
  HSC8943  Anthoxanthum odoratum R. V. Papike 1962-5-25 31 Humboldt Above Humboldt State University campus 91 Comment
  HSC8944  Anthoxanthum odoratum Paul Shields 1955-6-10 Humboldt Humboldt State University campus. Comment
  HSC8947  Anthoxanthum odoratum T. L. Ackerman 1964-4-12 34 Humboldt One mi. up a logging road N from an elementary school near Freshwater Corners Comment
  HSC8948  Anthoxanthum odoratum William J. Ferlatte 1963-5-6 34 Humboldt Arcata, near 11th and B Sts. Comment
Read comments
Jun 6 2012
  JEPS71148  Anthoxanthum odoratum A. L. Hormay 1932-5-11 48 Humboldt Arcata Comment
  RSA129298  Anthoxanthum odoratum H. S. Yates 1936-6-16 5684 Humboldt Near Bayside 9 Comment
  RSA34311  Anthoxanthum odoratum L. Larsen 1935-5-7 s.n. Humboldt Arcata Comment
  UC1159497  Anthoxanthum odoratum D. L. Gray 1964-5-14 ARCA 64001 Humboldt Humboldt County 18 Comment
  UC573791  Anthoxanthum odoratum H. S. Yates 1936-6-16 5684 Humboldt near Bayside 9 Comment
  UCD56164  Anthoxanthum odoratum H. L. Person 1932-5-10 s.n. Humboldt Arcata. 45 Comment
  HSC36170  Apium graveolens Gary S. Lester 1973-12-2 60 Humboldt Arcata Comment
  UC1400213  Apium graveolens Gary S. Lester 1973-12-2 60 Humboldt in the city of Arcata Arcata Comment
  HSC12860  Arbutus menziesii M. Athey, D. LaConte 1970-11-28 37 Humboldt HSU campus Comment
  HSC7602  Arbutus menziesii Dan O'Brien 1962-5-19 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  CAS-BOT-BC23749  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt Fickle Hill, 6 mi. SE of arcata 609 Comment
  CAS-BOT-BC23779  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt Fickle Hill, 6 mi. SE of Arcata 609 Comment
  CAS-BOT-BC23816  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt Fickle Hill, 6 mi. SE of Arcata 609 Comment
  CAS-BOT-BC23820  Arctostaphylos columbiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  GH350158  Arctostaphylos columbiana J. P. Tracy 1936-8-24 15171 Unknown Fickle Hill, 6 mi. se. of Arcata 609 Comment
  JEPS38968  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  JEPS38969  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC585920  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC585921  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15170 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  RSA47098  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1926-2-7 1504 Humboldt Arcata Road near Bayside. Comment
  CDA18244  Arrhenatherum elatius G. D. Barbe, T. C. Fuller 1974-6-19 1882 Humboldt North Coast Ranges; Arcata, US Hwy 101 at Saint Louis Rd. 12 Comment
  HSC47778  Arrhenatherum elatius Michael A. Watkins 1978-6-10 6 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC8986  Arrhenatherum elatius W. F. Cartwright 1965-5-20 79 Humboldt 5 mi. S of Arcata on Old Arcata Road Comment
  HSC8987  Arrhenatherum elatius L. M. Malloy 1965-5-20 29 Humboldt On Fickle Hill Rd., 2 mi. from Arcata Comment
  HSC8991  Arrhenatherum elatius D. J. McVean 1965-5-18 77 Humboldt Old Arcata Rd., S of intersection with Indianola Rd. Comment
  CDA1730  Arrhenatherum elatius var. bulbosum T. C. Fuller 1966-10-4 15237 Humboldt Northwest portion of Arcata. 0 Comment
  CAS-BOT-BC146268  Arrhenatherum elatius var. elatius T. C. Fuller 1966-10-4 15237 Humboldt Northwest portion of Arcata. Comment
  HSC3268  Asarum caudatum D. A. Shally 1965-5-15 50 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  RSA122080  Asarum caudatum H. L. Person 1932-8-22 s.n. Humboldt Arcata Comment
  UCR179286  Asarum caudatum R. G. Swinney 1968-3-28 232 Humboldt East of Humboldt State College, Arcata 152 Comment
  RSA246785  Aster chilensis R. F. Thorne, Percy C. Everett 1965-8-9 35336 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  RSA1509  Athyrium filix-femina subsp. cyclosorum E. R. Johnson 1929-08 1411 Humboldt Arcata Redwood Park 76 Comment
  HSC30350  Athyrium filix-femina var. cyclosorum Dale R. Gradek 1974-5-28 90 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  HSC60015  Athyrium filix-femina var. cyclosorum M. A. Baker 1977-5-1 281 Humboldt E of Humboldt State University. Comment
  SDSU1603  Athyrium filix-femina var. cyclosorum D. R. Harvey 1938-8-13 2252 Humboldt Redwood Park. Comment
  HSC95384  Atriplex prostrata Andrea Pickart 2002-8-8 191 Humboldt Arcata Marsh at end of I st. 0 Comment
  HSC47798  Avena barbata Michael A. Watkins 1978-6-10 4 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  RSA129099  Avena barbata H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Comment
  HSC59241  Avena fatua Terry Roth 1979-5-29 100 Humboldt Arcata, on Alliance Rd. near Westwood Ct. Comment
  HSC9023  Avena fatua N. R. Waite 1965-5-18 34 Humboldt W edge of Humboldt State University campus Comment
  HSC9024  Avena fatua W. F. Nickel 1965-5-16 Humboldt N Arcata next to the Humboldt Motor Hotel. Comment
  HSC9026  Avena fatua Gene S. Van Horn 1962-5-23 26 Humboldt Arcata, at the corner of 13th St. and F St. 46 Comment
  CAS-BOT-BC98769  Baccharis douglasii L. R. Abrams 1927-8-31 12058 Humboldt Marshes along highway between Eureka and Arcata Comment
  OBI78649  Baccharis pilularis Bresa Martin 2013-11-11 1 Humboldt On a small paved path leading out of Humboldt State University behind the Cypress Apartments. Halfway between the light posts labeled "312" and "313". Growing just outside the chain link fence. 30 Comment
  UC30349  Baccharis pilularis C. C. Marshall 1888-1-1 Humboldt Arcata Comment
  HSC13133  Baccharis pilularis subsp. consanguinea Steve Dorei 1970-10-9 33 Humboldt HSC campus, Arcata, near Fisheries water tank on Union St. Comment
  CAS-BOT-BC106354  Bellis perennis W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  HSC34805  Bellis perennis Dryden 1975-4-21 125 Humboldt Arcata Comment
  UC34578  Bellis perennis Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  HSC3353  Berberis nervosa Dan O'Brien 1962-5-9 Humboldt 4.5 mi. E on Fickle Hill Rd. Comment
  RSA1505  Blechnum spicant E. R. Johnson 1929-08 1408 Humboldt Arcata Redwood Park Comment
  UC399399  Blechnum spicant Chesnut and Drew 1888-7-8 26 Humboldt near Arcata Comment
  UCR138660  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1999-10-25 1268 Humboldt State Hwy 101, mile marker 61.40 2 Comment
  HSC3558  Borago officinalis William J. Ferlatte 1963-4-21 15 Humboldt Near 11th and A St., Arcata Comment
  SDSU9503  Boykinia occidentalis Harvey 1938-8-13 2263 Humboldt Near Arcata. 85 Comment
  CHSC2124  Briza maxima M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC59213  Briza maxima Terry Roth 1979-5-29 90 Humboldt Off Alliance Rd. near Westwood Ct. at bottom of hillside Comment
  UCR274950  Briza maxima Charity A. Hartshorn 2016-4-24 25 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC28147  Briza minor Chris Gist 1971-6-23 23 Humboldt Gravel driveway between G St. and H St., Arcata Comment
  HSC9091  Briza minor John Warner Hosking 1966-8-5 Humboldt 12th anb B St., Arcata Comment
  SEINET4182983 Image available Briza minor Franklin Fitz Humboldt Backyard weed patch in Arcata Comment
  SEINET4183122 Image available Briza minor Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15063 Humboldt Meadow, Coolidge, Redwood Park. Comment
  HSC9142  Bromus carinatus var. carinatus W. F. Nickel 1965-3-17 Humboldt Humboldt State College campus behind College Elementary School. Comment
  HSC9278  Bromus diandrus W. F. Nickel 1965-5-13 Humboldt College Elementary School, on HSU campus. Comment
  HSC9284  Bromus diandrus R. V. Papike 1962-5-25 33 Humboldt Arcata 91 Comment
  HSC9289  Bromus diandrus N. R. Waite 1965-5-18 33 Humboldt W edge of Humboldt State University campus Comment
  HSC104041  Bromus hordeaceus C. Reynolds 2015-4-28 39 Humboldt Along trail through Arcata Marsh, near Interpretive Center 5 Comment
  HSC9243  Bromus hordeaceus B. D. Rogers 1964-4-4 21 Humboldt Arcata, HSU campus Comment
  UC1145187  Bromus vulgaris Joseph P. Tracy 1949-6-20 18317 Humboldt 6 mi se of Arcata (Fickle Hill); Fickle Hill 609 Comment
  UCR199655  Callitriche heterophylla subsp. bolanderi R. F. Thorne, Percy C. Everett 1965-8-9 35345 Humboldt Northwestern; Outer North Coastal region, along Hwy 101 about 3 miles N of Eureka 2 Comment
  CHSC100698  Callitriche heterophylla var. bolanderi Robert F. Thorne; P. Everett 2007-6-13 35345 Humboldt Along Hwy. 101 about 3 mi. N of Eureka; in shallow water ca. 1 ft. deep of ditch along roadside. 1 Comment
  RSA729024  Callitriche heterophylla var. bolanderi R. F. Thorne, P. C. Everett 1965-8-9 35345 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  HSC12858  Callitropsis nootkatensis M. Athey, D. La Conte 1970-11-28 4 Humboldt HSU campus Comment
  HSC13057  Callitropsis nootkatensis C. Kline, D. Santana Oct 1970 8 Humboldt HSC Campus Comment
  HSC1293  Calocedrus decurrens W. R. Rogers 1965-5-7 296 Humboldt HSC campus Comment
  SEINET281931  Calocedrus decurrens T. R. Van Devender, A. L. Reina G. 2001-12-25 2002 -20 Unknown Humboldt County. Arcata. 40 deg. 52'03 N, 124 deg. 05'21 W; m.s.n.m. Comment
Read comments
Jan 7 2016
  HSC34488  Calypso bulbosa J. D. Ackerman 1975-5-3 436 Humboldt 1 mi. E of Blue Lake, along Hwy. 299 Comment
  RSA256574  Calypso bulbosa J. D. Ackerman 1975-5-3 436 Humboldt 1 mile east of Blue Lake, along hwy. 299 T6N R2E S29 Comment
  JEPS98261  Calystegia silvatica subsp. disjuncta Gordon Leppig 2001-7-11 1579 Humboldt W shoulder of south G street, about 75 m S of the City of Arcata Corporation Yard entrance Arcata Comment
  HSC26654  Cardamine breweri Thomas W. Nelson 1971-4-27 427 Humboldt Along Jolly Giant Creek, HSU campus Comment
  HSC6692  Cardamine californica D. E. Anderson 1962-3-18 1941 Humboldt Jacoby Creek Comment
  HSC8597  Cardamine californica D. K. Smith 1968-3-3 12 Humboldt On West End Rd., ca. 3 mi. from Hwy. 299 Comment
  HSC95679  Cardamine californica Steven Lee 2004-4-6 8 Humboldt Arcata Community Forest, 5-20 ft. from water along Jolly Giant Creek Comment
  HSC60299  Cardamine nuttallii Phyllis Krieg 1979-5-8 Humboldt 0.25 mi. E of Old Arcata Rd. on Golf Course Rd., Bayside, next to a house 15 Comment
  HSC26791  Cardamine oligosperma Thomas W. Nelson 1971-4-27 426 Humboldt Along Jolly Giant Creek, HSU campus Comment
  UC1199205  Cardamine oligosperma Joseph P. Tracy 1933-5-18 12189 Humboldt near Blue Lake; along Mad River, near Blue Lake 15 Comment
  RSA121755  Carex globosa H. L. Person 1932-5-11 s.n. Humboldt Near Arcata. 0 Comment
  CAS-BOT-BC20462  Carex harfordii Joseph Prince Tracy 1936-6-5 14858 Humboldt Fickle Hill. 6 miles SE of Arcata. 579 Comment
  CHSC2115  Carex hendersonii M. Anthony 1960-5-1 Humboldt Near Arcata. Comment
  CHSC40134  Carex hendersonii L. P. Janeway 1983-5-29 320 Humboldt Along Jolly Giant Cr, e of HSU campus. 60 Comment
  CHSC40137  Carex hendersonii Lawrence Janeway 1982-6-17 9 Humboldt Ca 300 m w of main Arcata Community Forest rd along the rd to the HSU water tank. 137 Comment
  HSC76381  Carex hendersonii L. P. Janeway 1982-6-17 9 Humboldt Ca 300 m W of main Arcata Community Forest Road along the road to the HSU water tank. 137 Comment
  UCR52372  Carex hendersonii L. P. Janeway 1982-6-17 9 Humboldt c. 300 m west of main Arcata Community Forest Road along the road to the HSU water tank. 175 Comment
  HSC93773  Carex lyngbyei Gordon Leppig 1996-5-17 333 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary, Butcher Slough, E side about 20 m N of Interpretive Center Parking lot, just W of South I St. 1 Comment
  RSA122772  Carex lyngbyei H. S. Yates 1936-6-23 s.n. Humboldt 1 mile west of Bayside; sea level 0 Comment
  UC1133402  Carex lyngbyei H. S. Yates 1936-6-23 5861 Humboldt 1 mi w Bayside; Eureka Quadrangle 0 Comment
  UCR138659  Carex lyngbyei Gordon Leppig 1996-5-17 333 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. Butcher Slough, E side about 20 m north of Interpretive Center Parking lot, just west of Sout I St 1 Comment
  CAS-BOT-BC119389  Carex obnupta T. G. W. s.n. Humboldt Arcata Comment
  CHSC2106  Carex obnupta M. Anthony 1937-5-15 Humboldt Humboldt State College. Comment
  UC562636  Carex subfusca Joseph P. Tracy 1936-6-5 14858 Humboldt 6 mi se Arcata (Fickle Hill) 579 Comment
  CHSC19743  Castilleja ambigua subsp. humboldtiensis D. E. Anderson; N. Dennis 1965-6-8 100 Humboldt Salt marsh along east edge of Humbolt Bay, 1 mile south of Arcata. Comment
  HSC104042  Castilleja ambigua subsp. humboldtiensis C. Reynolds 2015-4-28 40 Humboldt Near creekside on Arcata Marsh, south of Interpretive Center 5 Comment
  HSC1974  Castilleja ambigua subsp. humboldtiensis D. E. Anderson, N. Dennis 1965-6-8 100 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  HSC32372  Castilleja ambigua subsp. humboldtiensis Linda M. Barker 1974-5-19 198 Humboldt S G St., Arcata 0 Comment
  HSC32442  Castilleja ambigua subsp. humboldtiensis Linda M. Barker 1974-4-14 143 Humboldt South G St., Arcata 0 Comment
  HSC36100  Castilleja ambigua subsp. humboldtiensis Tom Mills 1974-5-12 Humboldt Beside Humboldt Bay near Bayside Cut-off Comment
  HSC36101  Castilleja ambigua subsp. humboldtiensis W. C. Vinyard 1974-5-22 Humboldt Beside Humboldt Bay at the boat access at Arcata Comment
  HSC59457  Castilleja ambigua subsp. humboldtiensis M. A. Ericksen 1979-5-18 300 Humboldt Across from Bayside cutoff and Hwy. 101 Jct., Jct. between Arcata and Eureka Comment
  HSC82968  Castilleja ambigua subsp. humboldtiensis A. L. Eicher 1986-5-11 Humboldt By Humboldt Bay, .2 mi. S of the mouth of Jacoby Creek 1 Comment
  HSC95070  Castilleja ambigua subsp. humboldtiensis Lila Tauzer 2002-5-3 45 Humboldt Arcata Marsh 0 Comment
  UC1224687  Castilleja ambigua subsp. humboldtiensis D. E. Anderson 1964-4-12 2973 Humboldt 1 mi s Arcata (at ne end of Humboldt Bay); Humboldt Bay Comment
  JEPS3830  Castilleja miniata Joseph P. Tracy 1939-8-20 16329 Humboldt near Blue Lake; Mad River 15 Comment
  HSC12358  Ceanothus thyrsiflorus C. Kline 1970-11-28 82 Humboldt Hwy 101, 1 mi S of Arcata Comment
  HSC31463  Ceanothus thyrsiflorus Steve Selva, Roger Jensen 1974-8-28 100 Humboldt Behind HSU Campus Comment
  HSC69626  Ceanothus thyrsiflorus R. Kalal 1980-5-8 33 Humboldt Arcata oxidation ponds 2 Comment
  UC1225826  Centaurium erythraea Joseph P. Tracy 1948-9-26 18236 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC604648  Centaurium erythraea Joseph P. Tracy 1938-7-18 16085 Humboldt 4 mi se Arcata; Fickle Hill 365 Comment
  UC906756  Centaurium muehlenbergii Joseph P. Tracy 1941-9-7 17013 Humboldt near Blue Lake; Mad River 15 Comment
  UC906760  Centaurium muehlenbergii Joseph P. Tracy 1947-7-2 17756 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC179479  Cercis occidentalis Marcus E. A M Jones 1931-7-16 28996 Humboldt Junction, East of Arcata. Comment
  HSC1193  Chamaecyparis lawsoniana J. C. Reppas 1963-3-2 50 Humboldt 820 Fickle Hill Rd. Comment
  HSC45913  Chamaecyparis lawsoniana Jerome Peterson 1978-5-1 10 Humboldt Near corner of 8th and G St. in Arcata Comment
  CAS-BOT-BC166044  Chamerion angustifolium subsp. circumvagum W. R. Dudley 1899-6-1 s.n. Humboldt Arcata Comment
  CAS-BOT-BC166046  Chamerion angustifolium subsp. circumvagum T. G. W. 1923-1-1 s.n. Humboldt Arcata Comment
  HSC49056  Chamerion angustifolium subsp. circumvagum Patricia Shesgreen 1978-8-2 124 Humboldt Arcata Community Forest, Arcata; 200 yds. N of field house on top of hill overlooking baseball field Comment
  UC423060  Chamerion angustifolium subsp. circumvagum Chesnut and Drew 1888-7-15 Humboldt Arcata Comment
  POM188634  Chenopodium botrys Marcus E. Jones 1931-7-16 28870 Humboldt Junction, East of Arcata Comment
  CHSC19746  Chloris pycnothrix D. E. Anderson 1970-1-20 Humboldt In the Humboldt State College Greenhouses. Seed source: Ethiopia. Comment
  CHSC20344  Chloris truncata D. E. Anderson 1970-1-20 Humboldt In the Humboldt State College Greenhouses. Seed source: Australia. Comment
  HSC26641  Chrysosplenium glechomifolium Thomas W. Nelson 1971-5-19 443 Humboldt HSC Campus beside Jolly Giant Creek Comment
  UC1224690  Chrysosplenium glechomifolium D. E. Anderson 1964-4-12 2974 Humboldt small creek leading into Jacoby Creek (on n side of road) Comment
  UC34640  Cirsium arvense Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  CAS-BOT-BC443890  Claytonia sibirica T. Gertrude Williamson 1924-7-10 s.n. Humboldt Arcata Comment
  HSC104049  Claytonia sibirica E. R. Fyer 2015-4-29 28 Humboldt Arcata Community Forest 92 Comment
  HSC17728  Claytonia sibirica D. E. Anderson 1961-8-11 1725 Humboldt Redwood preserve E of HSU campus 30 Comment
  HSC17731  Claytonia sibirica William J. Ferlatte 1963-4-27 20 Humboldt Waste place, near 11th and A St., Arcata Comment
  HSC34799  Claytonia sibirica Scott M. Kruse 1975-4-9 5 Humboldt Redwood Park, Arcata 18 Comment
  HSC59580  Claytonia sibirica Rick Lundquist 1979-4-6 1 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  UC1215540  Claytonia sibirica D. E. Anderson 1962-3-8 1930 Humboldt e of Humboldt State University Comment
  UC13660  Claytonia sibirica Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC672992  Claytonia sibirica Joseph P. Tracy 1936-8-24 15174 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UCR275110  Claytonia sibirica Charity A. Hartshorn 2016-5-14 32 Humboldt Arcata Community Forest 244 Comment
  UCR275122  Conium maculatum Charity A. Hartshorn 2016-4-24 19 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC48977  Cordylanthus maritimus subsp. palustris Jim Bartel 1979-7-17 Humboldt Tributary to Butcher's Slough, within proposed Arcata Marsh Enhancement Project, adjacent to Northwestern Pacific Railroad. Comment
  HSC83034  Cordylanthus maritimus subsp. palustris A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC95574  Cordylanthus maritimus subsp. palustris Andrea Pickart 2002-7-19 177 Humboldt Arcata Marsh at end of I St. 0 Comment
  JEPS50770  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1967-8-13 9307 Humboldt in salicornia salt marsh w of Northwest Pacific Railroad tracks and 1/8 mi n of Arcata Redwood Company plant 4 mi n Eureka (w shore of Arcata Bay); Arcata Bay Comment
  JEPS55932  Cordylanthus maritimus subsp. palustris T. I. Chuang, L. R. Heckard and R. Bacigalupi 1968-7-3 6455 Humboldt Coastal Salt Marsh, ne edge Arcata Bay Comment
  RSA21024  Cordylanthus maritimus subsp. palustris Carl B. Wolf 1937-9-12 9278 Humboldt Humboldt Bay, 1 mile south of Arcata on road to Eureka. 3 Comment
  GH387183  Corethrogyne filaginifolia var. californica J. P. Tracy 1936-8-17 15157 Unknown Arcata 15 Comment
  CAS-BOT-BC212130  Cornus sericea H. E. McMinn 1922-8-5 348 Humboldt Along Van Duzen River Comment
  HSC93467  Cortaderia jubata Gordon Leppig 1998-10-26 1107 Humboldt Arcata, Bayside Rd. at Crescent Way 6 Comment
  HSC12827  Cortaderia selloana Wilbur Peterson, Thomas W. Nelson 1970-11-1 105 Humboldt Arcata, Humboldt State University campus, S side of the tennis court Comment
  HSC31386  Cortaderia selloana Ernest P. Camilleri 1974-11-20 Humboldt 2 mi. S of Arcata on Hwy. 101 Comment
  HSC93466  Cortaderia selloana Gordon Leppig 1998-10-26 1106 Humboldt Arcata, Bayside Rd. at Crescent Way 6 Comment
  CAS-BOT-BC180306  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 332 Humboldt Along Van Duzen River Comment
  UCR275124  Crataegus monogyna Charity A. Hartshorn 2016-4-24 10 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  UC1051583  Crepis capillaris Joseph P. Tracy 1949-9-26 18229 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  OBI78670  Crepis tectorum Bresa Martin 2013-11-11 2 Humboldt At Humboldt State University on small walking path above bridge that led from Cypress Apartments. Twenty yards behind the track and football field. 30 Comment
  HSC97375  Cynosurus cristatus J. P. Smith 2005-6-11 12136 Humboldt Humboldt State University Campus, along B St. at back entrance to the Natural Resources Bldg. Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  HSC69630  Cynosurus echinatus R. Kalal 1980-6-3 29 Humboldt Junction of Spring St. and Hill St., Arcata 43 Comment
  UCD60170  Cynosurus echinatus P. B. Kennedy 1929-6-14 s.n. Humboldt Arcata, Range of California Barrel Co. Comment
  HSC14671  Cytisus scoparius Harvey Doerksen 1962-5-22 26 Humboldt .5 mi. E of Hwy. 299-101 junction. Comment
  HSC14675  Cytisus scoparius William J. Ferlatte 1963-4-21 19 Humboldt Near 11th and A St., Arcata Comment
Read comments
Dec 18 2011
  HSC34810  Cytisus scoparius David Peters 1975-4-9 2 Humboldt .2 mi. E of Old Arcata Rd. on Jacoby Cr. Rd. Comment
  HSC14664  Cytisus scoparius var. andreanus W. F. Nickel 1965-5-17 Humboldt 1/4 mi. E of Arcata on road to Arcata Reservoir, near Jolly Giant Parking Lot. Comment
  HSC10935  Dactylis glomerata Paul Shields Nov 1954 Humboldt Humboldt State campus. Comment
  HSC22835  Dactylis glomerata B. D. Rogers 1964-4-28 28464 Humboldt Humboldt State campus near Redwood Hall parking lot Comment
  HSC34813  Dactylis glomerata Dryden 1975-4-20 122 Humboldt Arcata 0 Comment
  HSC47796  Dactylis glomerata M. A. Watkins 1978-6-10 3 Humboldt East side of the 7th Street overpass of Hwy 101 Comment
  HSC9529  Dactylis glomerata John Warner Hosking 1966-8-6 Humboldt Fern Lake, behind Humboldt State College campus, Arcata Comment
  HSC9531  Dactylis glomerata W. F. Nickel 1965-3-17 Humboldt Humboldt State University campus Comment
  HSC9532  Dactylis glomerata N. R. Waite 1965-5-19 39 Humboldt W edge of Humboldt State University campus. Comment
  HSC9535  Dactylis glomerata R. H. Berg 1963-2-23 2 Humboldt Fickle Hill area, Arcata Comment
  HSC46019  Daucus carota Catherine Chin 1978-8-5 94 Humboldt 7th & A St., Arcata Comment
  HSC49087  Daucus carota Patricia Shesgreen 1978-8-8 133 Humboldt 7th & A St., Arcata Comment
  UC1736195  Delphinium nuttallianum Dean W. Taylor 1971-5-5 1061 Humboldt near Arcata Comment
  CDA14362  Deschampsia cespitosa P. Haggard 1996-7-8 s.n. Humboldt North Coast; North Coast Railroad right-of-way, Eureka. 0 Comment
  HSC35449  Deschampsia cespitosa J. D. Ackerman 1975-8-2 607 Humboldt Intersection of Indianola Cutoff and US Hwy 101. 3 Comment
  HSC93674  Deschampsia cespitosa Peter Haggard 1996-7-8 Humboldt Eureka, North Coast Railroad right-of-way. Comment
  OBI36621  Deschampsia cespitosa David J. Keil 1983-7-2 17301 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard Comment
  UCD61383  Deschampsia cespitosa Peter Haggard 1996-7-8 Humboldt North Coast Railroad right-of-way, Eureka. Comment
  UC1131487  Deschampsia cespitosa subsp. beringensis H. L. Person 1932-5-11 Humboldt near Arcata Arcata; Eureka Quad. Comment
  UCR32148  Deschampsia cespitosa subsp. beringensis David J. Keil 1983-7-2 17301 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard [600 G St.] Comment
  GH341732  Deschampsia cespitosa subsp. holciformis J. Burtt Davy 1899-05-01 - 1899-06-01 5605 Unknown Arcata Comment
  HSC27104  Deschampsia cespitosa subsp. holciformis L. M. Malloy 1965-5-19 38 Humboldt Arcata, southside of Samoa Rd., opposite of KATA radio station, adjacent to the railroad tracks, bank of a drainage ditch. Comment
  HSC9593  Deschampsia danthonioides L. M. Malloy 1965-5-20 27 Humboldt 4 mi. from Arcata on Fickle Hill Rd. Comment
  HSC22052  Dicentra formosa B. D. Rogers, D. E. Anderson 1965-4-1 414 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC8357  Dicentra formosa D. A. Shally 1965-5-15 51 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  UCR179275  Dicentra formosa R. G. Swinney 1968-3-28 237 Humboldt East of Humboldt State College, Arcata 152 Comment
  UCR275099  Digitalis purpurea Charity A. Hartshorn 2016-4-24 18 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CHSC579  Dipsacus fullonum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  CHSC27890  Disporum smithii Susan Perkins 1978-4-25 42 Humboldt Redwood Park, e end of 13th St., Arcata, 0.8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  RSA1088  Disporum smithii E. R. Johnson 1928-8-26 1148 Humboldt Arcata. Comment
  RSA1510  Disporum smithii E. R. Johnson 1929-08 1414 Humboldt Arcata Redwood Park 76 Comment
  UCR179281  Disporum smithii R. G. Swinney 1968-3-28 234 Humboldt East of Humboldt State College, Arcata 152 Comment
  UCR67631  Disporum smithii Michael A. Hanson 1990-5-21 70 Humboldt Arcata, 0.5 mi (0.8 km) east of Humboldt State University Life Science Building. 159 Comment
  CAS-BOT-BC208657  Distichlis spicata L. R. Abrams 1922-6-25 8250 Humboldt Humboldt Bay east of Arcata Comment
  HSC82972  Distichlis spicata A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC93509  Distichlis spicata Gordon Leppig, Sylvia Leppig 1998-9-17 1101 Humboldt Arcata Marsh and Wildlife Sanctuary, W of railroad trestle. Comment
  OBI36623  Distichlis spicata David J. Keil 1983-7-2 17298 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard Comment
  UC38073  Distichlis spicata Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5604 Humboldt Arcata Comment
  UC573991  Distichlis spicata H. S. Yates 1936-6-23 5859 Humboldt 1 mile W. of Bayside Comment
  HSC101546  Ehrharta erecta J. P. Smith 2009-12-14 12703 Humboldt Along sidewalk at 980 Sixth St. in Arcata; weed Comment
  HSC99981  Ehrharta erecta Sydney Carothers 2009-3-5 Humboldt H. S. U campus, due N of the experimental greenhouse. 152 Comment
  CAS-BOT-BC112842  Eleocharis macrostachya Robert F. Thorne; P. Everett 1965-8-9 35338 Humboldt Along Hwy 101 about 3 mi N of Eureka 1 Comment
  HSC7316  Eleocharis macrostachya S. J. Roberts 1965-5-8 51 Humboldt 1 mi. S of junction of Old Arcata Rd. and Bayside Cutoff Comment
  RSA246877  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-8-9 35338 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  CAS-BOT-BC112660  Eleocharis parvula Robert F. Thorne; P. Everett 1965-8-9 35342 Humboldt along Hwy 101, ca 3 mi N of Eureka along roadside. 1 Comment
  HSC77865  Eleocharis parvula L. J. Heflin 1984-5-13 5 Humboldt Hauser Marsh Comment
  UCR21761  Eleocharis parvula Denis Kearns 1979-8-24 210 Humboldt North Coast, near the Arcata Boat Launching Facility at the south end of 'I' Street 1 Comment
  UCSB34194  Eleocharis parvula Kearns, Dennis 1979-8-24 Humboldt Near the Arcata Boat Launching Facility at the South end of "I" Street Comment
  RSA246895  Eleocharis radicans Robert F. Thorne, Percy C. Everett 1965-8-9 35342 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  HSC9734  Elymus mollis subsp. mollis S. J. Hawks, D. E. Anderson 1965-5-30 65 Humboldt 1/2 mi. SW of Arcata, Airport. Comment
  RSA755161  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, P. Everett 1965-8-9 35347 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  SD219078  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, P. Everett 1965-8-9 35347 Humboldt Along Highway 101, ca. 3.0 miles north of Eureka. 2 Comment
  UC1951302  Epilobium ciliatum subsp. glandulosum Robert F. Thorne and P. Everett 1965-8-9 35347 Humboldt along Hwy. 101 about 3 mi. N of Eureka. Comment
  UC1198481  Epilobium minutum Joseph P. Tracy 1931-5-3 9353 Humboldt near Blue Lake; Northern Coast Region, Mad River 15 Comment
  CHSC60063  Equisetum telmateia Eric Hartwell 1983-3-30 9 Humboldt Ca. 0.25 miles east of jct. Of Jacoby Creek Rd. and Sonnerfelt Rd., NW1/4 of Sect.11. 97 Comment
  CHSC8  Equisetum telmateia subsp. braunii M. Anthony 1960-5-14 Humboldt Arcata. Comment
  HSC30351  Equisetum telmateia subsp. braunii Dale R. Gradek 1974-5-28 93 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  HSC36227  Equisetum telmateia subsp. braunii John Rehling 1975-4-21 52 Humboldt Along Jolly Giant Creek behind HSU campus. Comment
  HSC887  Equisetum telmateia subsp. braunii Dan O'Brien 1962-5-20 Humboldt 0.5 mi. E of Humboldt State University campus Comment
  CAS-BOT-BC296109  Erigeron foliosus var. confinis Marcus E. Jones 1931-7-16 29131 Humboldt Junction east of Arcata Comment
  CAS-BOT-BC296110  Erigeron foliosus var. confinis Marcus E. Jones 1931-7-16 29149 Humboldt Junction east of Arcata Comment
  POM187846  Erigeron foliosus var. mendocinus Marcus E. Jones 1931-7-16 29149 Humboldt Junction, East of Arcata. Comment
  UC479508  Erigeron foliosus var. mendocinus Marcus E. Jones, A. M. 1931-7-16 29149 Humboldt junction e Arcata Comment
  UC672189  Erigeron foliosus var. mendocinus Frank W. Peirson 1926-7-13 7049 Humboldt vicinity Blue Lake; Mad River Comment
  UC87680  Erigeron maniopotamicus J. W. Blankinship 1893-7-1 Humboldt Mad River Comment
Read comments
Sep 3 2011
  UC1199399  Erigeron strigosus var. septentrionalis Joseph P. Tracy 1918-6-23 4959 Humboldt Boynton Prairie Road near the Carroll Place (around Humboldt Bay); North Coast Ranges, Fickle Hill 304 Comment
  POM188360  Eriogonum luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata. Comment
  CAS-BOT-BC259532  Eriogonum luteolum var. luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata Comment
  CAS-BOT-BC259540  Eriogonum luteolum var. luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata Comment
  UC479200  Eriogonum luteolum var. luteolum Marcus E. Jones, A. M. 1931-7-16 28862 Humboldt Junction e Arcata Comment
  CHSC19730  Erythranthe dentata Gary J. Stebbins 1970-5-17 81 Humboldt Along Jolly Giant Creek up from H. S. C. dorms 1.9 miles from the parking lot. 70 Comment
  HSC16768  Eschscholzia californica William J. Ferlatte 1963-4-28 24 Humboldt Near 12th and B St., Arcata Comment
  HSC69578  Eucalyptus globulus R. Kalal 1980-6-1 7 Humboldt City of Arcata, along F street between 12th and 13th streets. 37 Comment
  UC1199347  Euchiton gymnocephalus Joseph P. Tracy 1936-5-17 14811 Humboldt 6 mi se Arcata; Fickle Hills 609 Comment
  UC1199348  Euchiton gymnocephalus Joseph P. Tracy 1936-8-24 15175 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC204827  Euchiton gymnocephalus Joseph P. Tracy 1918-6-23 4958 Humboldt near Carroll place (Boynton Prairie road, around Humboldt Bay); Northern Coast Ranges, Humboldt Bay, Boynton Prairie 304 Comment
  UC1196541  Euchiton involucratus Joseph P. Tracy 1948-9-26 18232 Humboldt 6 mi se Arcata (at s end of Fickle Hill); Fickle Hill 609 Comment
  UC1222481  Euchiton involucratus Joseph P. Tracy 1948-9-26 18232 Humboldt 6 mi se Arcata (at s end of Fickle Hill); Fickle Hill 609 Comment
  JEPS20476  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1199356  Euchiton sphaericus Joseph P. Tracy 1948-9-26 18230 Humboldt 6 mi SE of Arcata (Fickle Hill) 609 Comment
  UC562615  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  BLMAR397  Euonymus occidentalis var. occidentalis Jennifer Wheeler 2004-7-15 397 Humboldt Jacoby creek, Growing in mixed conifer forest 304 Comment
  HSC69641  Euphorbia peplus R. Kalal 1980-6-8 18 Humboldt Arcata, at intersection of Hill St. and Spring St. in the dry waste area of a yard. 43 Comment
  HSC7991  Euphorbia peplus Paul Shields 1955-6-18 Humboldt H.S.C. campus Comment
  CAS-BOT-BC310679  Euthamia occidentalis Joseph P. Tracy 1927-10-8 8389 Humboldt Arcata Bottom 15 Comment
  UC581766  Euthamia occidentalis Joseph P. Tracy 1927-10-8 8389 Humboldt Arcata Bottom 15 Comment
  HSC9818  Festuca arundinacea D. J. McVean 1965-5-18 76 Humboldt Along Old Arcata Rd. just S of intersection with Indianola Rd. Comment
  HSC9954  Festuca occidentalis R. H. Berg 1963-5-1 62 Humboldt HSU Campus, Arcata, CA Comment
  GH341966  Festuca rubra R. W. Pohl 1963-6-3 9456 Unknown Salt Flats, Humboldt Bay, NE Corner, near sewerage pond Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC9974  Festuca rubra D. J. Wilder 1965-4-25 11 Humboldt 4 mi. from Arcata on Fickle Hill Rd. Comment
  HSC9989  Festuca rubra R. H. Berg 1963-4-30 57 Humboldt 1 mi. N of Arcata, on Hwy. 101 Comment
  RSA126626  Festuca rubra H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  UC1132004  Festuca rubra H. L. Person 1932-5-11 Humboldt near Arcata; Eureka Quad. 0 Comment
  UCSC000038  Festuca rubra H. S. Yates 1936-6-23 5863 Humboldt 1 mile W of Bayside - Eureka 0 Comment
  HSC9949  Festuca subuliflora L. M. Malloy 1965-5-20 32 Humboldt Old county dump, 5 mi. from Arcata on Fickle Hill Rd. Comment
  HSC12788  Foeniculum vulgare M. J. Athey 1970-12-5 27 Humboldt Arcata Comment
  HSC18611  Fragaria vesca J. C. Reppas 1963-4-11 37 Humboldt 820 Fickle Hill Rd. Comment
  A378102  Frangula purshiana W. R. Dudley 1899-1-1 Unknown Arcata Comment
  CAS-BOT-BC59962  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  CAS-BOT-BC59963  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  HSC18411  Frangula purshiana L. D. Napier 1962-5-19 15 Humboldt 1 mi. E of Arcata on Fickle Hill 168 Comment
  HSC18416  Frangula purshiana P. Markle 1962-5-24 61 Humboldt Edge of 18th St. in Arcata 30 Comment
  HSC59446  Frangula purshiana Kenneth Clark 1979-5-29 367 Humboldt 0.1 mi. past end of Granite Ave. 23 Comment
  HSC100211  Fuchsia magellanica J. P. Smith 2009-7-28 12641 Humboldt Arcata; Along St. Louis Road. 16 Comment
  CHSC80006  Fumaria officinalis Gordon Leppig; Sylvia Leppig 2000-12-7 1523 Humboldt Arcata, 7th and I Street just west of Post Office, UTM zone 10, 4525N, 408E. 6 Comment
  JEPS6481  Galium divaricatum Joseph P. Tracy 1920-7-11 5343 Humboldt 2 mi se Arcata; Fickle Hill 304 Comment
  UC213506  Galium parisiense Joseph P. Tracy 1920-7-11 5343 Humboldt near Arcata (around Humboldt Bay); Northern Coast Ranges, Fickle Hill 304 Comment
  UC1586851  Galium triflorum Juha Pykala 1987-6-20 1857 Humboldt n house of Prof. D. H. Norris; Kneeland, Greenwood Heights 350 Comment
  UC1196542  Gamochaeta coarctata Joseph P. Tracy 1948-9-26 18233 Humboldt 6 mi s of Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC188548  Garrya elliptica H. E. McMinn 1922-8-5 353 Humboldt Van Dusen River Comment
  CHSC27892  Gaultheria shallon Susan Perkins 1978-4-25 41 Humboldt Redwood Park, e end of 13th St., Arcata, .8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  CHSC57372  Gaultheria shallon Eric G. Hartwell 1983-3-30 7 Humboldt Ca. 0.25 miles east of jct. of Jacoby Creek Rd. and Sonnenfelt Rd. T05N R01? S11 NW1/4 of SE1/4. 97 Comment
  HSC12945  Gaultheria shallon Steve Dorei 1970-10-9 30 Humboldt Arcata, near NE entrance to Wildlife building on Humboldt State University campus Comment
  HSC1802  Gaultheria shallon William J. Ferlatte, B. D. Rogers 1966-8-15 3127 Humboldt 5 mi. E of Arcata Comment
  HSC40118  Gaultheria shallon Dan O'Brien 1962-5-9 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  HSC59210  Gaultheria shallon Terry Roth 1979-5-29 103 Humboldt Arcata, entrance to the Canyon Dorms of Humboldt State University Comment
  HSC59576  Gaultheria shallon Rick Lundquist 1979-5-23 104 Humboldt 3.4 mi. up Fickle Hill Rd. from 11th St. 274 Comment
  HSC73457  Gaultheria shallon Grunert 38 Humboldt Jolly Giant Creek, Arcata city limit, on Jolly Giant Rd. near HSU Comment
  HSC7805  Gaultheria shallon Dan O'Brien 1962-5-9 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  HSC7809  Gaultheria shallon D. A. Shally 1965-5-15 44 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  RSA467223  Gaultheria shallon T. Gertrude Williamson 1924-7-11 s.n. Humboldt Arcata. Comment
  UC32704  Gaultheria shallon Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UCR275108  Gaultheria shallon Charity A. Hartshorn 2016-5-14 34 Humboldt Arcata Community Forest 244 Comment
  CHSC19518  Genista monspessulana A. D. Sajecki 1967-7-21 9 Humboldt Luarel Drive three blocks south of H.S.C. Library. Comment
  HSC12035  Genista monspessulana D. Santana Oct 1970 51 Humboldt Near the intersection of 11th and A St. Comment
  HSC14652  Genista monspessulana R. J. Vernimen 1963-2-26 7 Humboldt Sunnybrae in canyon parallel to Shirley Blvd. and ending at Beverly Dr. Comment
  HSC14654  Genista monspessulana William J. Ferlatte 1963-4-21 18 Humboldt Near 11th and A St., Arcata Comment
Read comments
Dec 18 2011
  HSC28184  Genista monspessulana Richard Curtis 1973-9-27 20 Humboldt Bayside cutoff between Eureka and Arcata. Comment
  HSC34638  Genista monspessulana J. M. Sauser 1975-4-9 3 Humboldt Old Arcata Rd., 3/4 mi. S of junction with Indianola Rd. Comment
  UCD105720  Genista monspessulana Joseph M. DiTomaso 1976-3-28 342 Humboldt Arcata, 3rd and 'D' streets. Comment
  HSC23745  Geranium dissectum Tim Baroni 1971-7-6 126 Humboldt Bayside, 1/2 mi. from intersection of Old Arcata Rd. and Jacoby Creek Rd. on Jacoby Creek Rd. Comment
  UC14245  Geum macrophyllum Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  POM188372  Gilia capitata Marcus E. Jones 1931-6-16 s.n. Humboldt Junction East of Arcata Comment
  HSC10077  Glyceria X occidentalis L. M. Malloy 1965-5-20 33 Humboldt On Fickle Hill Rd. 2 mi. from Arcata. Comment
  HSC10000  Glyceria borealis D. J. Wilder 1965-4-28 21 Humboldt 1/2 mi. W of Arcata on Samoa Rd. Comment
  HSC10051  Glyceria declinata B. D. Rogers 1964-4-27 25 Humboldt 0.5 mi. W of Arcata on Samoa Rd. Comment
  HSC10057  Glyceria declinata W. F. Cartwright 1965-5-20 80 Humboldt 5 mi. S of Arcata on Old Arcata Road Comment
  HSC93766  Glyceria declinata Gordon Leppig 1996-5-5 329 Humboldt Arcata, Healthsport parking lot of Union St. 2 Comment
  RSA550895  Glyceria declinata R. F. Thorne, P. Everett 1965-8-9 35346 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  RSA624796  Glyceria declinata Gordon Leppig 1996-5-5 329 Humboldt Arcata, Healthsport parking lot of Union Street. 2 Comment
  RSA730020  Glyceria declinata R. F. Thorne, P. Everett 1965-8-9 35346 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  SEINET267678 Image available Glyceria declinata Gordon Leppig 1996-5-5 329 Humboldt Arcata Healthsport parking lot of Union St. 2 Comment
  SEINET267680 Image available Glyceria occidentalis Gordon Leppig 1995-4-6 243 Humboldt Arcata; Alder Grove Pond. 12 Comment
  UCD66779  Glyceria occidentalis August L. Hormay 1932-5-11 Humboldt Eureka, Arcata Swamp. Comment
  UCD66780  Glyceria occidentalis August L. Hormay 1932-5-11 Humboldt Eureka, Arcata Swamp. Comment
  BLMAR713  Glyceria striata Clara Sander 2005-7-13 713 Humboldt Jacoby creek, growing along trail 36 Comment
  CAS-BOT-BC304735  Grindelia hirsutula L. R. Abrams 1927-8-31 12057 Humboldt Along highway between Eureka and Arcata Comment
  CAS-BOT-BC304740  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  CAS-BOT-BC304742  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  CAS-BOT-BC304744  Grindelia hirsutula Marcus E. Jones 1931-7-16 29143 Humboldt Arcata Comment
  CAS-BOT-BC304746  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  CAS-BOT-BC304753  Grindelia hirsutula Marcus E. Jones 1931-7-16 29143 Humboldt Arcata Comment
  HSC12338  Grindelia hirsutula Steve Dorei 1970-10-26 116 Humboldt Arcata, on South G St. near curve Comment
  HSC2216  Grindelia hirsutula J. T. Howell 1937-7-31 13720 Humboldt Humboldt Bay at Arcata Comment
  HSC39110  Grindelia hirsutula Gary S. Lester 1974-8-24 528 Humboldt Arcata salt marsh on Humboldt Bay at the 'G' St. oxidation plant 1 Comment
  HSC83033  Grindelia hirsutula A. L. Eicher 1985-8-17 1987 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC93477  Grindelia hirsutula Gordon Leppig 1998-8-6 994 Humboldt Arcata Marsh and Wildlife Sanctuary; Humboldt Bay side of Klopp Lake dike 2 Comment
  HSC95525  Grindelia hirsutula Andrea Pickart 2002-7-19 184 Humboldt Arcata Marsh at Jolly Giant Creek mile .1 10 Comment
  UC1118562  Grindelia hirsutula H. L. Person 1932-8-6 Humboldt slough between Arcata and Eureka; Eureka Quad. Comment
  UC1174870  Grindelia hirsutula P. C. Everett and E. K. Balls 1959-10-25 23967 Humboldt 6 mi ne Eureka (U.S. Hwy 101) 1 Comment
  UC1347201  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt salt marsh bordering Humboldt Bay at Arcata Arcata (region of type locality) Comment
  UC479505  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-16 29143 Humboldt Arcata Comment
  UC665534  Grindelia hirsutula H. E. Parks Aug 1 1941-Sep 1 1941 24201 Humboldt near Arcata Comment
  UC774622  Grindelia hirsutula Carl B. Wolf 1937-9-12 Humboldt 1 mi s Arcata (on road to Eureka); Humboldt Bay 3 Comment
  UC897043  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt salt marsh bordering Humboldt Bay at Arcata; Humboldt Bay Comment
  GH417754  Grindelia stricta J. T. Howell 1937-7-31 13720 Unknown Humboldt Bay at Arcata Comment
  CDA6170  Grindelia stricta var. stricta T. C. Fuller 1961-9-27 7043 Humboldt 1 mile north of Indianola Road, Highway 101, 5 miles north of Eureka. 0 Comment
  CDA6171  Grindelia stricta var. stricta T. C. Fuller 1961-9-27 7043 Humboldt 1 mile north of Indianola Road, Highway 101, 5 miles north of Eureka. 0 Comment
  OBI16402  Grindelia stricta var. stricta Carl B. Wolf 1937-9-12 9333 Humboldt Humboldt bay, 1 mi S of Arcata on road to Eureka 3 Comment
  POM187851  Grindelia stricta var. stricta Marcus E. Jones 1931-7-16 29143 Humboldt Arcata. Comment
  POM230322  Grindelia stricta var. stricta J. T. Howell 1937-7-31 s.n. Humboldt Salt marsh bordering Humboldt Bay at Arcata. 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
  RSA21023  Grindelia stricta var. stricta C. B. Wolf 1937-9-12 9333 Humboldt Humboldt Bay, 1 mile south of Arcata on road to Eureka. 3 Comment
  RSA259557  Grindelia stricta var. stricta Gary S. Lester 1974-8-24 528 Humboldt Arcata salt marsh on Humboldt Bay at the 'G' St. oxidation plant. 1 Comment
  SD61044  Grindelia stricta var. stricta Darley F. Howe 1964-8-10 3952 Humboldt 5.7 miles north of Eureka on [U.S.] 101. Comment
  SDSU2706  Grindelia stricta var. stricta D. F. Howe 1964-8-10 3952 Humboldt 5.7 miles north of Eureka on #101. Comment
  UCD132571  Grindelia stricta var. stricta Gordon Leppig 1998-8-6 994 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  UC582666  Helenium puberulum Joseph P. Tracy 1934-7-14 13405 Humboldt near Blue Lake; Mad River 15 Comment
  HSC6064  Helminthotheca echioides Wm. F. Bowman 1968-11-9 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  HSC13055  Hesperocyparis macrocarpa C. E. Fellows 1970-12-7 368 Humboldt HSC Campus, Arcata Comment
  HSC13056  Hesperocyparis macrocarpa C. E. Fellows 1970-12-7 369 Humboldt HSC Campus, Arcata Comment
  HSC45914  Hesperocyparis macrocarpa Jerome Peterson 1978-4-16 3 Humboldt HSU Campus Comment
  HSC98193  Hesperocyparis macrocarpa Will Ferrand 2002-4-27 44 Humboldt HSU Campus, 100ft W of library 24 Comment
  POM160893  Hierochloe occidentalis Joseph P. Tracy 1918-4-21 4882 Humboldt Around Humboldt Bay, old Kneeland Road 305 Comment
  UC1224689  Hierochloe occidentalis D. E. Anderson 1964-3-22 2925 Humboldt on roadcut on n side of creek Jacoby Creek Comment
  UC205670  Hierochloe occidentalis Joseph P. Tracy 1918-4-21 4882 Humboldt around Humboldt Bay (old Kneeland Road); Northern Coast Ranges 304 Comment
  HSC10129  Holcus lanatus Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC10130  Holcus lanatus R. V. Papike 1962-5-5 34 Humboldt On top of Fickle Hill, 2 miles W of Arcata. Comment
  HSC10131  Holcus lanatus E. W. Styskel 1964-4-25 70 Humboldt Alongside College Elementary School on Humboldt State College campus in Arcata. Comment
  HSC10139  Holcus lanatus W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  HSC10140  Holcus lanatus N. R. Waite 1965-5-21 54 Humboldt W edge of Humboldt State College Campus. Comment
  HSC10141  Holcus lanatus D. E. Anderson 1961-8-11 1730 Humboldt E of Humboldt State College campus. 30 Comment
  HSC10933  Holcus lanatus Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC47786  Holcus lanatus Michael A. Watkins 1978-6-10 7 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC5261  Holcus lanatus John Warner Hosking 1966-8-5 Humboldt Near BSA, Humboldt State College campus, Arcata. Comment
  HSC59126  Holcus lanatus Terry Roth 1979-5-26 88 Humboldt Arcata, field off Sunset Ave., near the old mill location. Comment
  HSC97396  Holcus lanatus J. Wendell Howe 1934-6-27 1278 Humboldt Arcata. Comment
  RSA121226  Holcus lanatus H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  SEINET181175 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-8 15060 Humboldt Coolidge, Redwood Park. Comment
  GH365167  Hordeum brachyantherum J. Burtt Davy & W. C. Blasdale 1899-5 5606 Unknown Arcata Comment
  HSC10160  Hordeum brachyantherum L. M. Malloy 1965-5-19 41 Humboldt Arcata, between Hwy. 101 and oxydation pond Comment
  HSC10162  Hordeum brachyantherum C. E. Fellows 1965-5-18 85 Humboldt 50 yds. E of intersection of Bayside Cutoff and Hwy. 101 Comment
  UC418997  Hordeum brachyantherum subsp. brachyantherum Parks and Tracy 1925-6-1 2767 Humboldt coatal plain around Humboldt Bay (Eureka); , Ereka Comment
  UC50691  Hordeum brachyantherum subsp. brachyantherum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5606 Humboldt Arcata Arcata (North-Western California) Comment
  HSC104057  Hordeum murinum C. Reynolds 2015-4-28 41 Humboldt Along trail through Arcata Marsh, near Interpretive Center 5 Comment
  HSC10157  Hordeum murinum subsp. leporinum W. F. Nickel 1965-5-16 Humboldt 1/4 mi. E of Arcata on road to Arcata Reservoir. Comment
  HSC104096  Hordeum vulgare Kyle Brown 2015-4-25 44 Humboldt Arcata; along Bayside Rd. 9 Comment
  CHSC68777  Hydrocotyle ranunculoides Vernon Oswald 1997-6-5 8545 Humboldt Robert Gearheart Marsh in the Arcata Marsh and Wildlife Sanctuary. 1 Comment
  UC127571  Hypochaeris radicata Harley P. Chandler May 1901 1126 Humboldt Arcata North Coast Ranges, Humboldt Bay 30 Comment
  HSC47580  Iris douglasiana Sheila Logan 1978-4-10 176 Humboldt Redwood Park behind HSU campus Comment
  HSC69580  Iris douglasiana R. Kalal 1980-6-3 5 Humboldt Along Fickle Hill Rd., 0.8 mi. E of its junction with 11th St. 189 Comment
  UCR275116  Iris douglasiana Charity A. Hartshorn 2016-5-14 30 Humboldt Arcata Community Forest 244 Comment
  CAS-BOT-BC340159  Jaumea carnosa Marcus E. Jones 1931-7-16 29118 Humboldt Arcata Comment
  CAS-BOT-BC340228  Jaumea carnosa Marcus E. Jones 1931-7-16 2911 Humboldt Arcata Comment
  HSC5881  Jaumea carnosa David K. Smith 1968-11-9 55 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  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
  POM187933  Jaumea carnosa Marcus E. Jones 1931-7-16 29118 Humboldt Arcata. Comment
  UC479412  Jaumea carnosa Marcus E. Jones, A. M. 1931-7-16 29118 Humboldt Arcata Comment
  CHSC2217  Juncus breweri M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC13992  Juncus bufonius Paul Shields 1965-6-16 Humboldt HSC campus Comment
  HSC13997  Juncus bufonius Paul Shields 1955-6-18 Humboldt H.S.C. campus Comment
  LA209293  Keckiella breviflora Marcus E. Jones; 1931-7-16 28828 Humboldt junction, E of Arcata Comment
  RSA424320  Keckiella corymbosa Unspecified 1920-7-15 s.n. Humboldt Arcata vicinity. Comment
  CAS-BOT-BC237831  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata Comment
  CAS-BOT-BC237835  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata 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
  CHSC79684  Lamiastrum galeobdolon Gordon Leppig; Kai Neander 2000-4-13 1292 Humboldt Arcata. 100 m south of trail 5 and 10 intersection. UTM zone 10, 4527N, 40E. 91 Comment
  UC1222418  Lathyrus glandulosus Joseph P. Tracy 1949-6-20 18313 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1368671  Lathyrus glandulosus J. P. Tracy 1948-8-7 18085 Humboldt Fickle Hill 609 Comment
  CHSC859  Lathyrus littoralis M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  POM277780  Lathyrus polyphyllus Lyman Benson 1930-7-18 2189 Humboldt Arcata 457 Comment
  RSA405756  Lathyrus vestitus subsp. vestitus Unspecified 1924-7-11 s.n. Humboldt Arcata Comment
  JEPS36508  Leontodon saxatilis subsp. saxatilis F. W. Peirson 1926-7-13 7056 Humboldt near Blue Lake; Mad River Comment
  CHSC31922  Lepidium didymum M. S. Taylor 1980-10-9 3365 Humboldt Bed of Jacoby Creek, ca. 1/4 mi w of its jct with Arcata Rd, ca. 5 mi s of Arcata in Bayside. 15 Comment
  HSC12864  Leucojum aestivum D. La Conte 1970-11-17 17 Humboldt HSC campus, Arcata Comment
  RSA129558  Leymus mollis subsp. mollis H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  HSC12923  Ligustrum ovalifolium Steve Dorei 1970-12-4 87 Humboldt HSC Campus, W side of rd. leading to Wildlife Building Comment
  HSC13238  Ligustrum ovalifolium Jana Kattenhorn 1970-10-24 105 Humboldt HSC Campus, S of building 37 Comment
  UC13798  Lilium columbianum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  CAS-BOT-BC130686  Lilium occidentale Doris K. Kildale 1925-6-30 1337 Humboldt On road to Humboldt Country Club 7 mi from Eureka Comment
  CAS-BOT-BC130687  Lilium occidentale Doris K. Kildale 1925-7-1 1338 Humboldt Near Bayside 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
  UC1197702  Lilium occidentale Doris Kildale 1925-7-20 Humboldt near Bayside 15 Comment
  CAS-BOT-BC130730  Lilium pardalinum Volney Rattan 1878-6-16 s.n. Humboldt Arcata Comment
  CAS-BOT-BC133014  Lilium washingtonianum subsp. purpurascens 1901-7-24 s.n. Humboldt Near Arcata Comment
  HSC1801  Limonium californicum William J. Ferlatte, B. D. Rogers 1966-8-15 3126 Humboldt Near Arcata sewage pond, N Humboldt Bay. Comment
  HSC22528  Limonium californicum Jerry Parker 1968-11-9 228 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata. Comment
  HSC83032  Limonium californicum A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  RSA183591  Limonium californicum D. E. Anderson 1963-9-15 2813 Humboldt Humbolt Bay Comment
  RSA244966  Limonium californicum William J. Ferlatte, B. D. Rogers 1966-8-15 3126 Humboldt Near Arcata sewage pond. North Humboldt Bay. Comment
  CAS-BOT-BC283406  Lolium multiflorum A. A. Heller 1923-7-9 13779 Humboldt In a salt flat between Eureka and Arcata Comment
  UC50707  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5606 B Humboldt Arcata Comment
  UC50708  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6112 B Humboldt Arcata; Russ Ranch, North-Western California Comment
  HSC100489  Lolium perenne Carl C. Marshall Jun 1886 226 Humboldt Near Arcata. Comment
  HSC10302  Lolium perenne John Warner Hosking 1968-6-7 Humboldt HSC Campus, Arcata. Comment
  HSC10304  Lolium perenne W. F. Nickel 1965-5-16 Humboldt N Arcata next to the Humboldt Motor Hotel. Comment
  HSC10306  Lolium perenne R. H. Berg 1963-2-27 4 Humboldt Arcata, Fickle Hill area. Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC10309  Lolium perenne E. W. Styskel 1964-4-25 69 Humboldt Alongside College Elementary School on Humboldt State College Campus, Arcata. Comment
  HSC10310  Lolium perenne Paul Shields Nov 1954 Humboldt Humboldt State campus. Comment
  HSC10312  Lolium perenne N. R. Waite 1965-5-19 43 Humboldt W edge of Humboldt State University campus. Comment
  HSC32477  Lolium perenne Craig Guyer 1974-9-28 Humboldt 4th St. near Union, Arcata. Comment
  HSC42239  Lolium perenne W. F. Nickel 1965-5-13 Humboldt On W side of College Elementary School on Humboldt State College Campus. Comment
  HSC47797  Lolium perenne Michael A. Watkins 1978-6-10 1 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  POM188113  Lolium perenne Marcus E. Jones 1931-7-16 29212 Humboldt Arcata. Comment
  RSA32732  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Near Arcata. Comment
  SEINET194910 Image available Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Arcata near 10 Comment
  UC50504  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6204 Humboldt Arcata; Russ Ranch Comment
  UC726366  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt near Arcata; near Arcata Comment
  UC50699  Lolium temulentum Joseph Burtt Davy 1899-7-30 6205 Humboldt Arcata Comment
  CAS-BOT-BC240468  Lonicera hispidula H. E. McMinn 1922-8-5 345 Humboldt Van Duzen River Comment
  SBBG69576  Lonicera involucrata var. ledebourii R. Hartwell 1938-8-6 Humboldt near Arcata Comment
  UC33554  Lotus aboriginus Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC1223404  Lotus denticulatus Joseph P. Tracy 1934-6-23 13254 Humboldt near Blue Lake; Mad River 15 Comment
  JEPS55451  Lotus formosissimus W. L. Jepson 1902-6-24 1922 Humboldt Eureka to Arcata Comment
  UC1197308  Lotus humistratus Joseph P. Tracy 1931-5-3 9354 Humboldt near Blue Lake; Northern Coast Region, Mad River 15 Comment
  UCR25843  Lotus uliginosus David Edwards 1974-8-12 84 Humboldt N side of 7th Street, just west of its overpass of U.S. Hwy 101, Arcata. 18 Comment
  HSC6869  Lunaria annua D. Zittin 1970-5-13 1 Humboldt Arcata Comment
  HSC14769  Lupinus arboreus R. Spellenberg 1964-6-15 410 Humboldt Near Humboldt Bay on the S side of Arcata. Comment
  UCR275100  Lupinus longifolius Charity A. Hartshorn 2016-4-24 13 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  JEPS65420  Lupinus polyphyllus W. L. Jepson 1902-6-24 1927 Humboldt Eureka to Arcata; Eureka to Arcata Comment
  JEPS65425  Lupinus polyphyllus Kate Jared Stirring 1923-6-5 Humboldt Arcata Comment
  HSC59591  Lupinus variicolor Rick Lundquist 1979-4-6 2 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  HSC14130  Luzula comosa Paul Shields May 1955 Humboldt HSC campus Comment
  CHSC96729  Lycopodium clavatum Gordon Leppig 2004-2-3 2129 Humboldt The Pacific Lumber Company land. UTM Zone 10 0411778E, 4516248N. 300 Comment
Read comments
Jan 21 2014
  HSC77926  Lycopodium clavatum L. P. Janeway 1984-3-14 715 Humboldt Arcata Community Forest, at edge of access road, NW-facing slope. 229 Comment
  HSC95500  Lycopodium clavatum Gordon Leppig 2004-2-3 2129 Humboldt Pacific Lumber Co. land, NE edge of THP 1-04-001 HUM. 300 Comment
  HSC95519  Lycopodium clavatum Gordon Leppig 2004-2-3 2130 Humboldt Pacific Lumber Co. land, NE edge of THP 1-00-032. 300 Comment
  HSC30342  Lysichiton americanus Dale R. Gradek 1974-5-28 94 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  UCR179284  Lysichiton americanus R. G. Swinney 1968-3-29 238 Humboldt East of Humboldt State College, Arcata 152 Comment
  SEINET11261198  Lythrum hyssopifolia Rick Lundquist 1979-5-18 100 Humboldt Arcata South Quadrangle. South G Street ca 1 mile south of Samoa Boulevard.; 0 0 Comment
  CAS-BOT-BC343589  Madia sativa Joseph P. Tracy 1936-8-24 15178 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  HSC95524  Madia sativa Andrea Pickart 2002-7-19 178 Humboldt Arcata Marsh at end of I St. 10 Comment
  UC581812  Madia sativa Joseph P. Tracy 1936-8-24 15178 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CHSC2298  Maianthemum dilatatum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  CHSC2299  Maianthemum dilatatum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  CHSC27891  Maianthemum dilatatum Susan Perkins 1978-4-25 44 Humboldt Redwood Park, e end of 13th St., Arcata. 0.8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  UC1134631  Maianthemum dilatatum R. Stahelin 1933-5-17 Humboldt Arcata City Park Eureka Quad., Arcata City Park Comment
  UCR275106  Maianthemum dilatatum Charity A. Hartshorn 2016-5-14 36 Humboldt Arcata Community Forest 244 Comment
  RSA1087  Maianthemum racemosum subsp. amplexicaule E. R. Johnson 1928-8-26 1147 Humboldt Arcata. Comment
  CAS-BOT-BC347412  Malacothrix floccifera Marcus E. Jones 1931-7-16 29095 Humboldt Junction, East of Arcata Comment
  POM187937  Malacothrix floccifera Marcus E. Jones 1931-7-16 29095 Humboldt Junction, East of Arcata. Comment
  UC479395  Malacothrix floccifera Marcus E. Jones, A. M. 1931-7-15 29095 Humboldt e of Arcata (junction) Comment
  CAS-BOT-BC140137  Malus fusca W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  CAS-BOT-BC140139  Malus fusca Rattan 1878-6-6 s.n. Humboldt Arcata Comment
  UC14229  Malus fusca Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  HSC15993  Malva nicaeensis Paul Shields 1955-6-3 Humboldt HSC campus Comment
  HSC15994  Malva nicaeensis Paul Shields 1955-6-3 Humboldt HSC campus Comment
  HSC59579  Marah oregana Rick Lundquist 1979-5-23 103 Humboldt 3.4 mi. up Fickle Hill Rd. from 11th St. 274 Comment
  HSC7029  Marah oregana D. A. Shally 1965-5-15 46 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  UCD88660  Melica subulata H. L. Person 1932-5-11 19413 Humboldt Arcata. 0 Comment
  HSC46021  Melilotus albus Catherine Chin 1978-8-5 92 Humboldt 7th & A St., Arcata Comment
  JEPS63457  Mentha aquatica Joseph P. Tracy 1927-10-8 8388 Humboldt Arcata Bottom 9 Comment
  UC577380  Mentha aquatica Joseph P. Tracy 1927-10-8 8388 Humboldt Arcata Bottom 9 Comment
  UC1225835  Mentha suaveolens Joseph P. Tracy 1943-11-7 17450 Humboldt near Bayside; near Bayside 6 Comment
  A362759  Menziesia ferruginea I. L. Wiggins 1932-6-18 5866 Unknown along Jacoby Creek, 2 mi. E. of Bayside Comment
  UC527824  Menziesia ferruginea Ira L. Wiggins 1932-6-18 5866 Humboldt 2 mi e of Bayside (along Jacoby Creek); Jacoby Creek Comment
  UCR37537  Menziesia ferruginea L. P. Janeway 1983-5-3 258 Humboldt Community Forest Main Access Rd., east of HSU 168 Comment
  HSC28256  Menziesia ferruginea subsp. ferruginea Gary S. Lester 1973-12-2 59 Humboldt Humboldt State University Campus, Arcata Comment
  HSC36233  Menziesia ferruginea subsp. ferruginea John Rehling 1975-5-8 63 Humboldt E of Humboldt State University Campus, Arcata Comment
  HSC77388  Menziesia ferruginea subsp. ferruginea L. P. Janeway 1983-4-20 237 Humboldt Along Community Forest main access rd., E of HSU campus 168 Comment
  HSC77389  Menziesia ferruginea subsp. ferruginea L. P. Janeway 1983-5-3 258 Humboldt Community Forest Main Access Rd., E of HSU 168 Comment
  HSC7849  Menziesia ferruginea subsp. ferruginea J. C. Reppas 1963-4-20 33 Humboldt 1 mi. N of Fickle Hill Rd. Comment
  HSC7850  Menziesia ferruginea subsp. ferruginea F. Morrell 1949-4-22 11 Humboldt Back Humboldt State University fish hatchery Comment
  HSC20712  Mimulus dentatus R. Spellenberg 1965-6-14 1133 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  HSC59136  Mimulus guttatus Terry Roth 1979-5-20 61 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  JEPS10790  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  UC582481  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  RSA447970  Mimulus moschatus E. S. Spalding, Williamson 1924-7-11 s.n. Humboldt Arcata. Comment
  UC1173697  Mimulus pilosus Joseph P. Tracy 1939-9-24 16502 Humboldt near Blue Lake; Mad River 15 Comment
  CAS-BOT-BC220516  Monardella villosa Marcus E. Jones 1931-7-16 28821 Humboldt Junction, East of Arcata Comment
  UC479138  Monardella villosa subsp. villosa Marcus E. Jones, A. M. 1931-7-16 28821 Humboldt Junction, East of Arcata Comment
  HSC16100  Morella californica P. Markle 1962-5-24 63 Humboldt Edge of 18th St. in Arcata 30 Comment
  HSC104051  Myosotis latifolia E. R. Fyer 2015-4-29 32 Humboldt Arcata Community Forest 166 Comment
  UCR179282  Myosotis latifolia R. G. Swinney 1968-3-29 239 Humboldt East of Humboldt State College, Arcata 152 Comment
  UCR275121  Myosotis laxa Charity A. Hartshorn 2016-5-14 27 Humboldt Arcata Community Forest 244 Comment
  HSC59201  Myosotis sylvatica Terry Roth 1979-5-20 66 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  UC1541037  Myrica californica Adele Lewis Grant 1938-8-5 Humboldt n. Arcata Comment
  HSC21577  Oenanthe sarmentosa Paul Shields 1965-6-16 Humboldt HSC campus Comment
  UC1123090  Oenanthe sarmentosa H. L. Person 1932-8-22 Humboldt Eureka Quad., Arcata, Redwood Auto Camp. Comment
  UC1197136  Oenanthe sarmentosa Joseph P. Tracy 1932-9-17 10802 Humboldt Arcata Bottom 15 Comment
  UCD106955  Oenothera wolfii D. Wiesendanger; F. Randall 1926-8-1 1544 Humboldt Near Arcata. Comment
  UCR275113  Oxalis articulata Charity A. Hartshorn 2016-5-14 38 Humboldt Arcata Community Forest 244 Comment
  HSC16717  Oxalis articulata subsp. rubra William J. Ferlatte 1963-4-27 23 Humboldt Waste place near 11th and B street, in Arcata. Comment
  HSC16703  Oxalis oregana D. E. Anderson 1961-8-11 1726 Humboldt E of Humboldt State University campus 30 Comment
  HSC22047  Oxalis oregana B. D. Rogers, D. E. Anderson 1965-5-1 511 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC59195  Oxalis oregana Terry Roth 1979-5-20 59 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  UC14238  Oxalis oregana Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UCR179287  Oxalis oregana R. G. Swinney 1968-3-8 216 Humboldt Arcata 152 Comment
  UCR275105  Oxalis oregana Charity A. Hartshorn 2016-5-14 37 Humboldt Arcata Community Forest 244 Comment
  GH360508  Parapholis incurva R. W. Pohl 1963-6-3 9455 Unknown Salt Flats, Humboldt Bay Comment
  OBI36624  Parapholis incurva David J. Keil 1983-7-2 17303 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  HSC30825  Parapholis strigosa J. P. Smith, Dennis Anderson 1971-6-14 - 1051 Humboldt At foot of G St., Arcata. Comment
  HSC35456  Parapholis strigosa J. D. Ackerman 1975-8-2 604 Humboldt Intersection of Indianola Cutoff and US Hwy. 101 1 Comment
  HSC82967  Parapholis strigosa A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  UCR275120  Parentucellia viscosa Charity A. Hartshorn 2016-4-24 22 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CHSC79802  Persicaria capitata Gordon Leppig; Sylvia Leppig 2000-4-16 1298 Humboldt Arcata. Corner 17th and J St. base of curb. UTM zone 10, N4525 E408. 60 Comment
  HSC6051  Petasites frigidus var. palmatus D. E. Anderson 1962-3-18 1942 Humboldt Jacoby Creek Comment
  UC1215535  Petasites frigidus var. palmatus D. E. Anderson 1962-12-9 2346 Humboldt e of Humboldt State College campus Comment
  UCR179280  Petasites frigidus var. palmatus R. G. Swinney 1968-3-28 236 Humboldt East of Humboldt State College, Arcata 152 Comment
  CAS-BOT-BC258826  Phalaris angusta W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  HSC10551  Phalaris arundinacea W. F. Cartwright 1965-5-20 75 Humboldt 5 mi. S of Arcata on Old Arcata Road Comment
  HSC10555  Phalaris arundinacea D. J. McVean 1965-5-18 79 Humboldt Along Old Arcata Rd., just S of intersection with Inidanola Rd. Arcata, CA Comment
  HSC47795  Phalaris minor Michael A. Watkins 1978-6-10 12 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  CHSC2361  Phyllospadix scouleri M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  CHSC2362  Phyllospadix scouleri M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  JEPS108629  Physocarpus capitatus W. Roderick Humboldt 1.3 mi S of Indianola Comment
  CHSC81  Picea sitchensis M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC28257  Picea sitchensis Gary S. Lester 1973-12-2 56 Humboldt E of HSC campus Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC93254  Picea sitchensis Gordon Leppig 1998-3-15 719 Humboldt Quarry Rd. off Jacoby Creek 98 Comment
  RSA23  Picea sitchensis E. R. Johnson 1928-8-26 1146 Humboldt Arcata. Comment
  SBBG34261  Picea sitchensis J. W. Howe 1938-3-31 Humboldt near Arcata Comment
  SBBG56401  Picea sitchensis J. W. Howe 1938-3-31 Humboldt near Arcata Comment
  UC582611  Plagiobothrys reticulatus Joseph P. Tracy 1936-6-5 14857 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC1116244  Plantago major Joseph P. Tracy 1942-7-25 17300 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UCR111732  Plantago subnuda R. York 1977-11-25 65 Humboldt North Coast, margin of ditch along Hwy 101 between Eureka and Arcata, corner of Indianola Rd. and Hwy 101 1 Comment
  HSC10611  Pleuropogon refractus R. Spellenberg 1965-6-14 1134 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  RSA336495  Pleuropogon refractus Paul But 1975-4-1 P 12 Humboldt Along Jacoby Creek Road, Jacoby Creek, about 3 miles N of Eureka Comment
  UC1152688  Pleuropogon refractus D. E. Anderson 1963-3-24 2404 b Humboldt Old logging road on s side of Jacoby Creek Comment
  UC1258192  Pleuropogon refractus Paul But with Grace Law 1976-5-15 P 28 Humboldt 3 mi n of Eureka (along Jacoby Creek Road); Jacoby Creek Comment
  UC1258206  Pleuropogon refractus Paul But Aug 1977 P 47 Humboldt Jacoby Creek Comment
  UC1258214  Pleuropogon refractus Paul But 1975-6-1 P 12 Humboldt about 3 mi n of Eureka (along Jacoby Creek Road); Jacoby Creek Comment
  HSC10618  Poa annua R. H. Berg 1963-3-1 5 Humboldt Arcata, Fickle Hill area. Comment
  HSC10623  Poa annua Gene S. Van Horn 1962-5-2 10 Humboldt Near main house at 250 East 17th St., Arcata. 61 Comment
  HSC10626  Poa annua William J. Ferlatte 1963-5-8 39 Humboldt Near 11th and B Sts., Arcata. Comment
  UC576260  Poa howellii H. S. Yates 1936-6-16 5683 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  HSC10764  Poa pratensis Gene S. Van Horn 1962-5-5 13 Humboldt Arcata, 250 East 17th St. 61 Comment
  HSC10768  Poa pratensis N. R. Waite 1965-5-19 42 Humboldt W edge of Humboldt State University campus. Comment
  HSC10771  Poa pratensis R. V. Papike 1962-5-25 32 Humboldt Arcata. 91 Comment
  HSC10714  Poa secunda subsp. secunda D. J. Wilder 1965-4-25 12 Humboldt Humboldt State College Campus, Laurel Dr. Comment
  HSC10805  Poa trivialis William J. Ferlatte 1963-5-6 35 Humboldt Arcata, near 11th and B Sts. Comment
  RSA129470  Poa trivialis H. S. Yates 1936-6-16 5683 Humboldt Near Bayside 9 Comment
  RSA129472  Poa trivialis H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  UC589885  Poa trivialis H. S. Yates 1936-6-16 5682 Humboldt near Bayside; Eureka Quad. 9 Comment
  UCD92117  Poa trivialis H. S. Yates 1936-6-16 6582 Humboldt near Bayside. Comment
  CDA3403  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A Streets, Arcata. Comment
  HSC94145  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A St. in Arcata 49 Comment
  HSC17467  Polygonum aviculare P. W. Shields 1955-6-18 Humboldt HSC Campus Comment
  HSC17470  Polygonum aviculare P. W. Shields 1955-6-18 Humboldt HSC Campus Comment
  CAS-BOT-BC72087  Polypodium scouleri T. G. W. s.n. Humboldt Arcata Comment
  HSC10847  Polypogon monspeliensis R. H. Berg 1963-4-30 61 Humboldt Junction of Samoa Road and Hwy. 101, Arcata. Comment
  HSC10853  Polypogon monspeliensis David K. Smith 1968-11-20 80 Humboldt About 4 miles SE of Arcata, along Jacoby Creek. Comment
  UCSC000003  Polypogon monspeliensis H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 15 Comment
  HSC12977  Polystichum munitum M. Athey, D. La Conte 1970-11-28 2 Humboldt HSU campus Comment
  HSC13039  Polystichum munitum D. Santana, C. Kline Oct 1970 24 Humboldt HSC Campus Comment
  HSC13042  Polystichum munitum T. C. DeCew 1970-11-14 35 Humboldt HSU Campus Comment
  RSA1504  Polystichum munitum E. R. Johnson 1929-08 1409 Humboldt Arcata Redwood Park 76 Comment
  SDSU1640  Polystichum munitum Harvey 1938-8-13 2251 Humboldt Redwood Park. Comment
  SDSU276  Polystichum munitum D. R Harvey 1938-8-13 2251 Humboldt Redwood Park. Comment
  HSC13800  Populus trichocarpa Steve Dorei 1970-10-13 41 Humboldt HSU campus, S side of Forestry Bldg. Comment
  HSC103987  Prosartes smithii E. R. Fyer 2015-4-29 31 Humboldt Arcata Community Forest 129 Comment
  HSC15465  Prosartes smithii D. Connell 1965-5-11 50 Humboldt Arcata, Jolly Giant Creek Comment
  HSC15467  Prosartes smithii D. A. Shally 1965-5-15 48 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC22057  Prosartes smithii B. D. Rogers, D. E. Anderson 1965-5-1 513 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  UC1225839  Prunella vulgaris var. vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek near the quarry Jacoby Creek 152 Comment
  CDA3914  Prunus laurocerasus Gordon Leppig 2000-4-12 1291 Humboldt Behind Humboldt University, west of Fern Lake, Arcata. Comment
  HSC94127  Prunus laurocerasus Gordon Leppig 2000-4-12 1291 Humboldt Arcata: behind Humboldt State University, W of Fern Lake 49 Comment
  CAS-BOT-BC357446  Pseudognaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  JEPS20479  Pseudognaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC582515  Pseudognaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  JEPS20481  Pseudognaphalium stramineum Joseph P. Tracy 1937-8-3 15614 Humboldt near Blue Lake; Mad River 15 Comment
  UC582510  Pseudognaphalium stramineum Joseph P. Tracy 1937-8-3 15614 Humboldt near Blue Lake; Mad River 15 Comment
  UC1223166  Psilocarphus tenellus Joseph P. Tracy 1950-6-29 18937 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1223168  Psilocarphus tenellus Joseph P. Tracy 1949-6-20 18320 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  HSC1160  Pteridium aquilinum var. pubescens Gene S. Van Horn 1962-5-25 27 Humboldt 200 ft. N of main house at 250 E 17th St., Arcata 61 Comment
  HSC18481  Pteridium aquilinum var. pubescens Jana Kattenhorn 1970-10-24 108 Humboldt H.S.C. Campus, Arcata Comment
  HSC10866  Puccinellia nutkaensis R. H. Berg 1963-4-11 25 Humboldt Arcata Comment
  HSC10868  Puccinellia nutkaensis J. A. Waller 1965-5-16 38 Humboldt Humboldt Bay Comment
  UC1042328  Ranunculus parviflorus John Thomas Howell 1954-4-25 29153 Humboldt Arcata Comment
  HSC18181  Ranunculus repens J. C. Reppas 1963-4-11 36 Humboldt 820 Fickle Hill Rd. Comment
  SBBG2270  Ranunculus repens H. and M. Dearing 1939-5-26 3445 c Humboldt near Arcata Comment
  UCR275102  Ranunculus repens Charity A. Hartshorn 2016-4-24 12 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  RSA1465  Rhamnus purshiana E. R. Johnson 1929-08 1410 Humboldt Arcata Redwood Park. 76 Comment
  GH363053  Rhododendron macrophyllum V. K. Chesnut & E. R. Drew 1888-7-8 Unknown near Arcata Comment
  HSC7873  Rhododendron macrophyllum P. Markle 1962-5-22 54 Humboldt End of 18th St., Arcata Community Forest Comment
  HSC7878  Rhododendron macrophyllum D. E. Anderson 1961-8-11 1732 Humboldt E of Humboldt State University campus 30 Comment
  HSC7881  Rhododendron macrophyllum L. D. Napier 1962-5-19 18 Humboldt 1 mi. E of Arcata on Fickle Hill Comment
  RSA471003  Rhododendron macrophyllum E. S. Spalding 1925-04 s.n. Humboldt Arcata. Comment
  RSA69211  Rhododendron macrophyllum A. D. Tenney 1925-04 6020 Humboldt Arcata. Comment
  UC32620  Rhododendron macrophyllum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UC562739  Rhododendron macrophyllum Joseph P. Tracy 1936-8-24 15180 Humboldt 6 mi se of Arcata (Fickle Hill); Fickle Hill 609 Comment
  UCR275107  Rhododendron macrophyllum Charity A. Hartshorn 2016-5-14 35 Humboldt Arcata Community Forest 244 Comment
  POM89847  Rhododendron occidentale Chesnut 1880-8-10 s.n. Humboldt Arcata. Comment
  UC1121079  Rhododendron occidentale H. L. Person 1930-6-20 Humboldt Bayside Road e of Arcata; Bayside Road Comment
  CAS-BOT-BC200377  Rhododendron occidentale var. paludosum L. R. Abrams 1922-6-25 8253 Humboldt Arcata Comment
  CAS-BOT-BC200381  Rhododendron occidentale var. paludosum G. A. Coleman 1901-7-20 s.n. Humboldt Near Arcata Comment
  CAS-BOT-BC200384  Rhododendron occidentale var. paludosum W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  POM89461A  Rhododendron occidentale var. paludosum L. R. Abrams 1922-6-25 8253 Humboldt Arcata. Comment
  UC1586906  Ribes Juha Pykala 1987-6-20 1849 Humboldt n House of Prof. D. H. Norris; Kneeland, Greenwood Heights 350 Comment
  CAS-BOT-BC206033  Ribes menziesii E. R. Johnson 1929-8-1 11211 Humboldt Arcata, Redwood Park Comment
  HSC20309  Ribes menziesii M. L. Stuart 1965-5-6 64 Humboldt Fern Lake Dam Comment
  HSC20321  Ribes menziesii D. E. Anderson 1962-2-23 1924 Humboldt Grove E of HSC campus Comment
  HSC34640  Ribes menziesii J. M. Sauser 1975-4-9 2 Humboldt Old Arcata Rd., 2 mi. S of junction with Jacoby Creek Rd. Comment
  UC552232  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  UC552244  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  CHSC19492  Ribes sanguineum B. D. Rogers 1965-4-1 411 Humboldt About 4 miles southeast of Arcata, along Jacoby Creek. Comment
  HSC20341  Ribes sanguineum M. S. Miller 1965-4-2 18 Humboldt Arcata, HSC campus Comment
  HSC40117  Ribes sanguineum Dan O'Brien 1962-5-19 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  HSC18478  Ribes sanguineum var. glutinosum Jana Kattenhorn 1971-2-22 189 Humboldt HSC campus, E side of one way rd. between Jolly Giant Complex and campus Comment
  HSC20342  Ribes sanguineum var. glutinosum Frances Oldridge 1945-1 Humboldt Arcata Comment
  HSC22045  Ribes sanguineum var. glutinosum B. D. Rogers, D. E. Anderson 1965-4-1 411 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC59439  Ribes sanguineum var. glutinosum Kenneth Clark 1979-4-2 22 Humboldt 0.1 mi. E of end of Granite Ave, Arcata 30 Comment
  RSA0018242  Ribes sanguineum var. glutinosum E. R. Johnson 1929-08 1413 Humboldt Arcata Redwood Park. 76 Comment
  UC1198909  Ribes sanguineum var. glutinosum Joseph P. Tracy 1948-9-26 18227 Humboldt 6 mi se Arcata (Fickle Hill) 609 Comment
  UCR179227  Ribes sanguineum var. glutinosum R. G. Swinney 1968-3-28 233 Humboldt East of Humboldt State College, Arcata 152 Comment
  RSA0018240  Ribes sanguineum var. sanguineum E. R. Johnson 1929-08 1417 Humboldt Arcata Redwood Park. 76 Comment
  UC14385  Rorippa nasturtium-aquaticum Chestnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC667029  Rosa Joseph P. Tracy 1936-8-24 15179 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC146839  Rosa nutkana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  UCR179228  Rubus R. G. Swinney 1968-3-28 231 Humboldt East of Humboldt State College, Arcata 152 Comment
  UCR179289  Rubus R. G. Swinney 1968-3-28 235 Humboldt East of Humboldt State College, Arcata 152 Comment
  HSC19673  Rubus armeniacus M. L. Stuart 1965-4-18 6 Humboldt Fern Lake Dam Comment
  HSC19675  Rubus armeniacus R. T. Haase 1965-5-3 30 Humboldt Parking lot behind Mai Kai Apts. Comment
  UCR275123  Rubus armeniacus Charity A. Hartshorn 2016-4-24 15 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC19652  Rubus macropetalus P. Markle 1962-5-22 60 Humboldt Along cross country track behind HSU in Arcata Community Forest Comment
  CAS-BOT-BC147242  Rubus parviflorus E. R. Johnson 1929-8-1 1416 Humboldt Arcata Redwood Park 76 Comment
  HSC19661  Rubus parviflorus D. A. Shally 1965-5-15 53 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC19666  Rubus parviflorus R. A. Rasp 1964-5-20 47 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC22040  Rubus parviflorus B. D. Rogers, D. E. Anderson 1965-5-1 514 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC31795  Rubus parviflorus Steve Selva, Roger Jensen 1974-8-28 98 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC47658  Rubus parviflorus Sheila Logan 1978-4-10 178 Humboldt Redwood Park behind HSU campus Comment
  HSC59138  Rubus parviflorus Terry Roth 1979-5-20 62 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  HSC60109  Rubus parviflorus M. A. Baker 1977-5-1 279 Humboldt E of Humboldt State University. Comment
  HSC69534  Rubus parviflorus R. Kalal 1979-5-20 74 Humboldt Logging Rd. E of HSU Campus, Arcata 46 Comment
  HSC97599  Rubus parviflorus Steven 2004-4-26 28 Humboldt From Old Arcata Rd. go E on Jacoby Creek Rd. Comment
  HSC97656  Rubus parviflorus Kevin Thomas 2004-4-26 17 Humboldt Jacoby Creek Rd. Comment
  RSA1366  Rubus parviflorus E. R. Johnson 1929-08 1416 Humboldt Arcata Redwood Park. 76 Comment
  UCR275117  Rubus parviflorus Charity A. Hartshorn 2016-5-14 29 Humboldt Arcata Community Forest 244 Comment
  SEINET3111190  Rubus parviflorus var. parviflorus Steve Selva, Roger Jensen 1974-8-28 98 Humboldt Redwood Forest behind Humboldt State University, Arcata. Comment
  CHSC19491  Rubus spectabilis B. D. Rogers; D. E. Anderson 1965-4-1 312 Humboldt About 4 miles southeast of Arcata, along Jacoby Creek. Comment
  CHSC57509  Rubus spectabilis Eric Hartwell 1983-3-30 2 Humboldt Ca. 0.25 mi e of jct. of Jocoby Creek Rd. and Sonnenfelt Rd. 97 Comment
  HSC19677  Rubus spectabilis D. K. Smith 1968-3-3 10 Humboldt On West End Rd., ca. 3 mi. from Hwy. 299 Comment
  HSC22039  Rubus spectabilis B. D. Rogers, D. E. Anderson 1965-4-1 412 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  HSC22495  Rubus spectabilis D. Connell 1965-5-11 54 Humboldt Arcata, Jolly Giant Creek Comment
  HSC34629  Rubus spectabilis A. M. Montalvo 1975-4-9 203 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  HSC60111  Rubus spectabilis M. A. Baker 1977-5-1 278 Humboldt E of Humboldt State University. Comment
  RSA183527  Rubus spectabilis M. L. Stuart 1965-4-25 20 Humboldt About 100 yards up the Fern Lake Road. Comment
  UC461843  Rubus spectabilis Chestnut and Drew July 1888 Humboldt near Arcata Comment
  HSC34808  Rubus ursinus David Peters 1975-4-9 5 Humboldt .1 mi. E of Kirkpatrick Quarry Rd. on Jacoby Cr. Rd. Comment
  HSC17585  Rumex acetosella P. W. Shields 1955-6-10 Humboldt HSC campus Comment
  HSC95749  Rumex acetosella Steven Lee 2004-4-26 33 Humboldt Along Stuart Ave. W of of Alliance Comment
  CAS-BOT-BC433754  Rumex pulcher W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  RSA249520  Ruppia maritima Robert F. Thorne, Percy C. Everett 1965-8-9 35340 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  HSC9565  Rytidosperma penicillatum True Hoyle 1967-7-5 27467 Humboldt Humboldt State University campus lawn, just below Founder's Hall, near the steps to the Science Bldg. 30 Comment
  UC1103257  Rytidosperma penicillatum Mrs. Wm. Grotzman 1941-6-16 Humboldt Bayside Golf Links 30 Comment
  HSC93476  Salicornia depressa Gordon Leppig 1998-8-6 995 Humboldt Arcata Marsh and Wildlife Sanctuary; Humboldt Bay side of Klopp Lake dike 2 Comment
  HSC95580  Salicornia depressa Andrea Pickart 2002-7-19 180 Humboldt Arcata Marsh at end of I St. 0 Comment
  UCD99147  Salicornia pacifica Gordon Leppig 1998-8-6 995 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  CAS-BOT-BC132666  Salix A. T. Whittemore 1980-3-15 80 -007 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132667  Salix A. T. Whittemore 1980-3-15 80 -001 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132668  Salix A. T. Whittemore 1980-3-15 80 -002 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132706  Salix A. T. Whittemore 1980-3-15 80 -003 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132707  Salix A. T. Whittemore 1979-4-5 79 -013 Humboldt Arcata, along Alliance Road immediately north of Arcata High School 6 Comment
  CAS-BOT-BC132708  Salix A. T. Whittemore 1980-3-15 80 -008 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132709  Salix A. T. Whittemore 1980-3-15 80 -006 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132710  Salix A. T. Whittemore 1980-3-15 80 -004 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132711  Salix A. T. Whittemore 1980-3-15 80 -005 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132712  Salix A. T. Whittemore 1980-3-15 80 -009 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CHSC79815  Salix alba Gordon Leppig; Sylvia Leppig, Kai Leppig 2000-4-16 1297 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary, West bank of Hauser Marsh. UTM zone 10, N4525 E407. 1 Comment
  HSC94188  Salix alba Gordon Leppig, Sylvia Leppig, Kai Leppig 2000-4-16 1297 Humboldt Arcata Marsh and Wildlife Sanctuary, W bank of Hauser Marsh 1 Comment
  CAS-BOT-BC107720  Salix hookeriana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  UC1196681  Salix hookeriana Joseph P. Tracy 1919-3-30 5123 Humboldt Jacoby Creek Northern Coast Ranges, around Humboldt Bay (near the quarry) 91 Comment
  UC1225777  Salix hookeriana Joseph P. Tracy 1948-9-26 18231 Humboldt 6 mi s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC1225922  Salix hookeriana Joseph P. Tracy 1947-7-2 17758 Humboldt 6 mi s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC481216  Salix lasiandra subsp. lasiandra Harold E. Parks 1931-5-20 996 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  HSC96597  Salix lasiolepis Gordon Leppig 2003-2-22 1812 Humboldt Arcata Marsh, NE corner of log pond 3 Comment
  CAS-BOT-BC129127  Salix scouleriana A. T. Whittemore 1979-4-5 79 -012 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School 6 Comment
  CAS-BOT-BC129128  Salix scouleriana A. T. Whittemore 1979-4-5 79 -012 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School 6 Comment
  CAS-BOT-BC129152  Salix scouleriana Doris K. Kildale 1929-2-28 6947 Humboldt Arcata - hill back of State Teacher's College Comment
  UC481211  Salix scouleriana Harold E. Parks 1931-5-20 994 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  UC481259  Salix scouleriana Harold E. Parks 1931-5-20 994 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  UC481260  Salix scouleriana Harold E. Parks 1931-5-20 994 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  CAS-BOT-BC128953  Salix sitchensis A. T. Whittemore 1979-4-5 79 -015 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School Comment
  CAS-BOT-BC128993  Salix sitchensis Doris K. Kildale 1929-2-28 6948 Humboldt Arcata - hills back of State Teachers College Comment
  UC203992  Salix sitchensis Joseph P. Tracy 1918-4-13 4869 Humboldt Jacoby Creek Quarry; Northern Coast Ranges, Jacoby Creek Quarry 91 Comment
  UC481214  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC481215  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC481217  Salix tracyi Harold E. Parks 1931-5-20 997 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  SFV18554  Sambucus racemosa W. Coleman, B. Hammer, J. Radtke 1998-3-20 954 Humboldt Arcata marsh. 3 Comment
  HSC31462  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-28 99 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC36228  Sambucus racemosa var. racemosa John Rehling 1975-4-21 53 Humboldt Along Jolly Giant Creek behind HSU campus. Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC3992  Sambucus racemosa var. racemosa D. K. Smith 1968-3-3 9 Humboldt On West End Rd., ca. 3 mi. from Hwy. 299 Comment
  HSC59562  Sambucus racemosa var. racemosa Rick Lundquist 1979-4-6 3 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  SEINET3103511  Sambucus racemosa var. racemosa Steve Selva, Rodger Jensen 1974-8-28 99 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  HSC21635  Sanicula crassicaulis D. V. Sanford 1963-4-23 42 Humboldt Comment
  RSA246892  Schoenoplectus maritimus Robert F. Thorne, Percy C. Everett 1965-8-9 35339 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  CDA18245  Scirpus microcarpus G. D. Barbe, T. C. Fuller 1974-6-19 1883 Humboldt North Coast Ranges; Arcata, US Hwy 101 at Saint Louis Rd. 12 Comment
  HSC36077  Scirpus microcarpus Jack Watson 1962-5-2 Humboldt Wet soil along game pens of HSU campus Comment
  HSC21125  Scrophularia californica D. A. Shally 1965-5-15 43 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC21129  Scrophularia californica D. E. Anderson 1961-8-11 1734 Humboldt Redwood preserve E of HSU campus 30 Comment
  JEPS6741  Scrophularia californica Joseph P. Tracy 1937-7-30 15565 Humboldt 6 mi s Arcata (Fickle Hill) 609 Comment
  UC582594  Scrophularia californica Joseph P. Tracy 1937-7-30 15565 Humboldt 6 mi se Arcata (Fickle Hill) 609 Comment
  CDA32353  Selaginella kraussiana G. F. Hrusa, R. Bencie, L. Bencie, C. & E. Dogwin 2010-12-29 18277 Humboldt North Coast; Forest E of Humboldt St. Univ., above Fern Lake. 47 Comment
  CDA34903  Selaginella kraussiana Dana York, Adrian York & Noah York 2011-4-2 3019 Humboldt Arcata; eastern edge of Humboldt State University Campus in the community forest, along inlet creek to Fern Lake. Comment
  CHSC79631  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata, behind Humboldt State University, at base of stump near Fern Lake spillway. UTM zone 10, 4526N, 409E. 48 Comment
  HSC100143  Selaginella kraussiana G. F. Hrusa, R. Bencie, L. Bencie, C. Dogwin, and E. Dogwin 2010-12-29 18277 Humboldt Forest E of Humboldt State University, above Fern Lake 47 Comment
  JEPS117941  Selaginella kraussiana Dana York, Adrian York & Noah York 2011-4-2 3019 Humboldt Arcata, eastern edge of Humboldt State University Campus 70 Comment
  UC1776736  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt in redwood forest behind Humboldt State Universiy, at base of stump near Fern Lake spillway Arcata 48 Comment
  UCD135986  Selaginella kraussiana Frederic Hrusa; R. Bencie, L. Bencie, C. and E. Dogwin 2010-12-29 18277 Humboldt Forest E of Humboldt St. University; above Fern Lake. 47 Comment
  UCR148800  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway 49 Comment
  UC1199239  Senecio sylvaticus Joseph P. Tracy 1936-8-24 15172 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  HSC6134  Senecio vulgaris Paul Shields 1955-6-18 Humboldt H.S.C. campus Comment
  CHSC55650  Sequoia sempervirens Dennis W. Morris 1991-4-24 20 Humboldt 2 mi e of Humboldt State Univ. in Redwood Park. Coastal mountains. 115 Comment
  HSC12953  Sequoia sempervirens Steve Dorei 1970-10-8 10 Humboldt HSU campus, near corner of Union St. and st. leading to gyms Comment
  HSC12956  Sequoia sempervirens M. Athey, D. La Conte 1970-11-28 12 Humboldt HSU campus Comment
  HSC13034  Sequoia sempervirens T. C. DeCew 1970-11-14 44 Humboldt HSU Campus Comment
  HSC31518  Sequoia sempervirens Steve Selva, Roger Jensen 1974-8-28 95 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC85743  Sequoia sempervirens R. W. Becking 1985-1-17 Humboldt HSU Campus, Hse. 87 Comment
  HSC85756  Sequoia sempervirens R. W. Becking 1985-1-17 Humboldt HSU Campus, NRS Building SW corner Comment
  SDSU2018  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D St, Arcata. 55 Comment
  SDSU2036  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D St. Acarta. 55 Comment
  SDSU292  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D st Arcata. Empire series Sandstone, West slope. Ocean fog belt of North Coast. 55 Comment
  HSC1093  Sherardia arvensis W. Lanphere 1937-2-16 Humboldt H.S.C. Campus Comment
  CAS-BOT-BC205572  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  CAS-BOT-BC205574  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  GH420758  Sidalcea malachroides J. P. Tracy 1936-5-17 14812 Unknown Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  HSC16012  Sidalcea malachroides J. P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 mi. SE of Arcata. 610 Comment
  JEPS67222  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata 609 Comment
  POM256469  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles southeast of Arcata. 610 Comment
  UC1197961  Sidalcea malachroides Joseph P. Tracy 1937-7-30 15566 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  UC1224688  Sidalcea malachroides D. E. Anderson 1963-5-26 2502 Humboldt in alluvial gravel beds along s side Jacoby Creek; along s side of Jacoby Creek Comment
  UC35225  Sidalcea malachroides Chestnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  UC668139  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  UC668140  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  HSC69693  Silybum marianum R. Kalal 1980-6-8 12 Humboldt Arcata, along 7th St., 0.1 mi. E of Hwy. 101 12 Comment
  HSC12415  Solidago elongata D. Santana 1970-10-18 41 Humboldt 11th and B St. Comment
  RSA167399  Solidago spathulata Joseph P. Tracy 1948-9-26 18226 Humboldt Fickle Hill, six miles southeast of Arcata. 610 Comment
  UC1223174  Solidago spathulata Joseph P. Tracy 1948-9-26 18226 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  HSC6219  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC6220  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  UC582437  Sonchus asper Joseph P. Tracy 1936-8-24 15177 Humboldt 6 mi se Arcata (Fickle Hill); Fickle Hill 609 Comment
  CHSC69844  Sparaxis Duain Goforth 1977-4-19 Humboldt Arcata. Comment
  UC672883  Sparganium emersum var. emersum Joseph P. Tracy 1933-8-13 12969 Humboldt near Blue Lake; Mad River 15 Comment
  CAS-BOT-BC235366  Spartina Avis Keedy 1988-9-18 8 Humboldt On Jolly Giant Creek near mouth Comment
  RSA640443  Spartina Avis Keedy 1988-9-18 8 Humboldt On Jolly Giant Creek near mouth. Arcata Salt Marsh Project. Comment
  CAS-BOT-BC235369  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt Humboldt Bay, Arcata; foot of I Street Comment
  CAS-BOT-BC235370  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt Humboldt Bay, Arcata; foot of I Street Comment
  CHSC69850  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt Humboldt Bay Arcata; foot of I Street. Comment
  HSC35451  Spartina densiflora J. D. Ackerman 1975-8-2 606 Humboldt Intersection of Indianola Cutoff and US Hwy. 101 1 Comment
  HSC87358  Spartina densiflora K. Berg 1986-7-28 637 Humboldt Humboldt Bay, Arcata, foot of I St. Comment
  HSC94162  Spartina densiflora L. J. Heflin 1984-9-23 43 Humboldt Allen Marsh at Arcata Marsh and Wildlife Sanctuary Comment
  JEPS83447  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt foot of I St. Arcata; Humboldt Bay, Arcata Comment
  OBI36628  Spartina densiflora David J. Keil 1983-7-2 17296 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  RSA183496  Spartina densiflora D. E. Anderson 1963-9-15 2814 Humboldt Humbolt Bay Comment
  RSA244949  Spartina densiflora D. E. Anderson 1963-9-15 2814 Humboldt Humbolt Bay Comment
  UCD92967  Spartina densiflora Phyllis Faber 1983-11-11 s.n. Humboldt Humboldt Bay, Arcata. Comment
  UCD92968  Spartina densiflora Phyllis Faber 1983-11-11 s.n. Humboldt Humboldt Bay, Arcata. Comment
  UCD92969  Spartina densiflora Keith B. Macdonald 1965-9-1 s.n. Humboldt Arcata, along Humboldt Bay. Comment
  UCR45375  Spartina densiflora K. Berg 1986-7-28 637 Humboldt Humboldt Bay Arcata; foot of I Street Comment
  GH355927  Spartina foliosa R. W. Pohl 1963-6-3 9453 Unknown Salt Flats, Humboldt Bay, California. NE corner near sewerage pond. Comment
  RSA796313  Spartina foliosa D. Kearns 1979-8-24 20 Humboldt Arcata Bay. Near the Arcata Boat Launching Facility at the south end of I Street. Comment
  SBBG89225  Spartina foliosa A. Keedy 1988-9-18 8 Humboldt Jolly Giant Crk {near mouth}; Arcata Salt Marsh Comment
  UCD92983  Spartina foliosa Gordon Leppig 1998-8-6 992 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  UCR21766  Spartina foliosa Denis Kearns 1979-8-24 20 Humboldt North Coast, near the Arcata Boat Launching Facility at the south end of 'I' Street 1 Comment
  UCR32178  Spartina foliosa David J. Keil 1983-7-2 17296 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard [600 G St.] Comment
  UCSB34193  Spartina foliosa Kearns, Dennis 1979-8-24 Humboldt Spring Tide Area of Arcata Bay, Arcata Boat Launching Facility at the South end of "I" Street Comment
  UCSB34197  Spartina foliosa Denis Kearns 1979-8-24 20 Humboldt collected near the Arcata Boat Launchin Facility at the S-end of I Street Arcata Boat Launchin Facility and I Street Comment
  HSC95590  Spergularia canadensis var. occidentalis Andrea Pickart 2002-7-19 181 Humboldt Arcata Marsh at end of I St. 0 Comment
  HSC4264  Spergularia macrotheca D. K. Smith 1968-11-9 54 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  POM188638  Spergularia macrotheca Marcus E. Jones 1931-7-16 28873 Humboldt Arcata. Comment
  CAS-BOT-BC149622  Spiraea douglasii G. A. Coleman 1901-7-20 s.n. Humboldt Near Arcata Comment
  JEPS45013  Spiraea douglasii W. L. Jepson 1902-6-24 1924 Humboldt Eureka to Arcata Comment
  RSA472777  Spiraea douglasii T. Gertrude Williamson 1924-7-12 s.n. Humboldt Arcata. Comment
  RSA472778  Spiraea douglasii E. S. Spalding 1884-7-12 s.n. Humboldt Near Arcata. Comment
  UC14209  Spiraea douglasii Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  UCD114055  Spiraea douglasii D. Wiesendanger; F. Randall 1926-8-1 1543 Humboldt Near Arcata. Comment
  HSC16658  Spiranthes romanzoffiana J. Wendell Howe 1934-7-20 1311 Humboldt Arcata Comment
  SFV18496  Stachys ajugoides var. rigida J. A. Riddell 2002-4-19 58 Humboldt Arcata. On the banks of Campbell Creek 10 Comment
  UC538019  Stachys arvensis Lyle W. Smith 1934-11-14 Humboldt Arcata Comment
  UC538020  Stachys arvensis Lyle W. Smith 1934-11-14 Humboldt Arcata Comment
  UCLA71491  Stachys arvensis L. W. Smith 1934-11-14 Humboldt Arcata Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  UC25942  Stachys chamissonis H. M. Hall 1899-10-17 Humboldt Arcata Comment
  HSC59118  Stachys rigida var. quercetorum Terry Roth 1979-5-20 67 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  SEINET12558145 Image available Stellaria nitens Juha Pykala 1987-1 1853 Humboldt Kneeland, Greenwood Heights, N of the house of prof. D. H. Norris 335 Comment
  UCR275109  Streptopus amplexifolius Charity A. Hartshorn 2016-5-14 33 Humboldt Arcata Community Forest 244 Comment
  CAS-BOT-BC269577  Symphoricarpos albus var. laevigatus H. E. McMinn 1922-8-5 349 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC99168  Symphyotrichum chilense L. R. Abrams 1927-8-31 12056 Humboldt Marshes along highway between Eureka and Arcata Comment
  CAS-BOT-BC99169  Symphyotrichum chilense L. R. Abrams 1927-8-31 12054 Humboldt Marshes along highway between Eureka and Arcata Comment
  HSC5048  Symphyotrichum chilense Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC5049  Symphyotrichum chilense Paul Shields 1955-9-20 Humboldt HSC Campus Comment
  JEPS32727  Symphytum asperum Kate Jared Stirring 1923-6-5 Humboldt Arcata Comment
  SEINET11071711 Image available Symphytum asperum Joseph P. Tracy 1943-1 17448 Humboldt Near Iverson Dairy Ranch, Arcata Comment
  HSC6263  Taraxacum officinale William J. Ferlatte 1963-4-28 28 Humboldt Near 12th and B St., Arcata Comment
  HSC12833  Thuja plicata Thomas W. Nelson, Wilbur Peterson 1970-12-2 301 Humboldt HSC Campus SE side of field house Comment
  HSC1299  Thuja plicata Francis Winter 1960-5-6 Humboldt 1.0 mi. W of Blue Lake, Hwy. 299 Comment
  HSC1302  Thuja plicata R. A. Rasp 1964-5-20 45 Humboldt HSC Campus Comment
  HSC13053  Thuja plicata D. Santana, C. Kline Oct 1970 9 Humboldt HSC Campus Comment
  HSC13054  Thuja plicata D. Santana, C. Kline Oct 1970 4 Humboldt HSC Campus Comment
  HSC30092  Thuja plicata Chris Gist 1973-5-14 150 Humboldt HSC Campus S of Engineering Building Comment
  HSC45916  Thuja plicata Jerome Peterson 1978-4-16 6 Humboldt HSU Campus near Home Economics Building Comment
  UC54780  Thuja plicata Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6193 Humboldt hills back of Arcata Comment
  JEPS49715  Tiarella trifoliata var. unifoliata Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC14487  Tiarella trifoliata var. unifoliata Chesnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  UC14482  Tolmiea diplomenziesii Chesnut and Drew 1888-7-9 Humboldt near Arcata Comment
  HSC21588  Torilis arvensis P. W. Shields May 1955 Humboldt HSC campus Comment
  HSC10878  Torreyochloa pallida var. pauciflora R. Spellenberg 1965-6-14 1135 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  HSC62837  Toxicodendron diversilobum M. Dean Griswold 1979-5-29 85 Humboldt In front of Masonic lodge on Bayside Rd. Comment
  HSC17928  Trientalis latifolia Paul Shields May 1955 Humboldt HSC Campus Comment
  HSC95824  Trientalis latifolia Kevin Thomas 2004-4-26 16 Humboldt Jacoby Creek Rd. Comment
  HSC97593  Trientalis latifolia Steven Lee 2004-4-26 27 Humboldt E several mi. from Arcata on Jacoby Creek Rd. Comment
  UC1223506  Trifolium barbigerum J. P. Tracy 1950-6-29 18939 Humboldt 6 mi se Arcata (Fickle Hill) Comment
  UC16425  Trifolium barbigerum J. Burtt Davy 1899-6-17 5603 Humboldt Arcata Comment
  JEPS66053  Trifolium dubium W. L. Jepson 1902-6-24 1923 Humboldt Eureka to Arcata Comment
  UC16503  Trifolium dubium Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5602 Humboldt Arcata Comment
  UC16566  Trifolium hybridum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5601 Humboldt Arcata Comment
  UC16569  Trifolium hybridum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5601 Humboldt Arcata Comment
  HSC100538  Trifolium parvifolium Carl C. Marshall May 1886 225 Humboldt Arcata. Comment
  UC1223532  Trifolium variegatum var. variegatum Joseph P. Tracy 1950-6-29 18938 Humboldt 6 mi se Arcata (Fickle Hill) Comment
  RSA32731  Trifolium wormskioldii A. A. Heller 1923-7-9 13781 Humboldt Near Arcata. Comment
  UC1223374  Trifolium wormskioldii Joseph P. Tracy 1950-6-29 18940 Humboldt 6 mi s Arcata (Fickle Hill) Comment
  UC16825  Trifolium wormskioldii Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5600 Humboldt Arcata Comment
  CHSC68791  Triglochin maritima Vernon Oswald 1997-6-5 8531 Humboldt Arcata Oxidation Ponds on South G St., south of Hwy. 255. 6 Comment
  HSC23091  Triglochin maritima Norman Dennis 1965-6-8 101 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  POM188101  Triglochin maritima Marcus E. Jones 1931-7-16 29221 Humboldt Arcata. Comment
  SEINET3151087  Triglochin maritima N. Dennis 1965-6-8 101 Humboldt along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  UC1130595  Triglochin maritima H. S. Yates 1936-6-23 5860 Humboldt 1 mi w Bayside; Eureka Quadrangle Comment
  UCR179285  Trillium R. G. Swinney 1968-3-8 217 Humboldt Arcata 152 Comment
  UC1134686  Trillium albidum R. Stahelin 1933-5-17 Humboldt Arcata City Park Eureka Quad., Arcata City Park Comment
  CAS-BOT-BC389696  Trillium ovatum Mary K. Wicksten 1972-3-8 39 Humboldt Arcata Comment
  CSUSB389  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  CSUSB390  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  HSC103980  Trillium ovatum Kyle Brown 2015-4-25 41 Humboldt Arcata, Redwood Park 98 Comment
  HSC15697  Trillium ovatum D. E. Anderson 1962-3-18 1943 Humboldt Jacoby Creek Comment
  HSC15699  Trillium ovatum D. E. Anderson 1962-2-23 1923 Humboldt Grove E of HSC campus Comment
  HSC47579  Trillium ovatum Sheila Logan 1978-4-10 175 Humboldt Redwood Park behind HSU campus Comment
  SDSU11977  Trillium ovatum D. R. Harvey 1938-8-13 2253 Humboldt Redwood Park Comment
  UC1134682  Trillium ovatum R. Stahelin 1933-5-18 LH 12 Humboldt Arcata City Park Eureka Quad., Arcata City Park Comment
  UCR275118  Trillium ovatum Charity A. Hartshorn 2016-5-14 28 Humboldt Arcata Community Forest 244 Comment
  SBBG7056  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-25 3444 Humboldt near Arcata Comment
  HSC13121  Trisetum cernuum R. H. Berg 1963-5-1 60 Humboldt Arcata, H.S.U. campus. Comment
  HSC13418  Trisetum cernuum T. L. Ackerman 1964-5-14 47 Humboldt Near E end of 17th St., Arcata. Comment
  HSC13423  Trisetum cernuum T. F. Newman 1966-5-1 6645 Humboldt H.S.U Campus Comment
  HSC9982  Trisetum cernuum W. F. Cartwright 1965-4-23 65 Humboldt 3 mi. E of Arcata on Fickle Hill Rd. Comment
  CDA2565  Triticum aestivum Gordon Leppig, Sylvia Leppig, K. Neander 2000-4-14 1293 Humboldt East of Community Center parking lot, Arcata. Comment
  CHSC79895  Triticum aestivum Gordon Leppig; Sylvia Leppig, Kai Neander 2000-4-14 1293 Humboldt Arcata, UTM zone 10, 4525N, 409E. 3 Comment
  HSC13437  Triticum aestivum D. J. McVean 1965-5-16 58 Humboldt Arcata, Game Pens at H.S.U. Comment
  HSC94180  Triticum aestivum Gordon Leppig, Kai Neander 2000-4-14 1293 Humboldt Arcata, E of the Community Center parking lot 3 Comment
  HSC28304  Tsuga heterophylla Gary S. Lester 1973-12-8 61 Humboldt E of HSC Campus Comment
  UCR275103  Typha domingensis Charity A. Hartshorn 2016-4-24 20 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC94100  Ulex europaeus D. M. Hull 1986-2-26 48 Humboldt Corner of Beverly Way and Chapman Ave. Arcata, CA Comment
Read comments
Jan 13 2012
  HSC13200  Umbellularia californica Jana Kattenhorn 1970-10-24 110 Humboldt HSC Campus, E of Building 37 Comment
  HSC49395  Umbellularia californica R. York 1979-4-16 235 Humboldt Corner of 12th and D in Arcata Comment
  HSC62995  Umbellularia californica David Wheeler 1979-5-8 98 Humboldt 927 J St. Arcata Comment
  HSC59133  Urtica dioica subsp. gracilis Terry Roth 1979-5-20 65 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  HSC60134  Urtica dioica subsp. gracilis M. A. Baker 1977-5-1 277 Humboldt E of Humboldt State University. Comment
  HSC13157  Vaccinium ovatum Steve Dorei 1970-10-8 7 Humboldt HSU campus, near corner of Union St. and st. leading to gyms Comment
  HSC31471  Vaccinium ovatum Steve Selva, Roger Jensen 1974-8-28 96 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC34645  Vaccinium ovatum Thomas Anthony 1975-4-8 3 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  HSC59436  Vaccinium ovatum Kenneth Clark 1979-3-31 19 Humboldt 0.1 mi. E of end of Granite Ave, Arcata 30 Comment
  HSC60135  Vaccinium ovatum M. A. Baker 1977-5-1 286 Humboldt E of Humboldt State University. Comment
  HSC7910  Vaccinium ovatum Dan O'Brien 1962-5-20 Humboldt 0.5 mi. E of Humboldt State University campus Comment
  HSC7915  Vaccinium ovatum D. E. Anderson 1961-8-11 1733 Humboldt Redwood preserve E of HSU campus 30 Comment
  SEINET3107074  Vaccinium ovatum Steve Selva, Roger Jensen 1974-8-28 96 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  UCD118079  Vaccinium ovatum Joseph M. DiTomaso 1976-3-28 349 Humboldt Arcata, beneath Redwood tree. Comment
  UCR275111  Vaccinium ovatum Charity A. Hartshorn 2016-5-14 31 Humboldt Arcata Community Forest 244 Comment
  HSC31487  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC7924  Vaccinium parvifolium P. Markle 1962-5-3 18 Humboldt Arcata Community behind HSU campus 30 Comment
  RSA1368  Vaccinium parvifolium E. R. Johnson 1929-08 1412 Humboldt Arcata Redwood Park 91 Comment
  RSA34285  Vaccinium parvifolium J. Wendell Howe 1930-9-15 s.n. Humboldt Arcata. Comment
  RSA471156  Vaccinium parvifolium Anonymous 1924-7-10 s.n. Humboldt Arcata. Comment
  SEINET3107075  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  HSC59144  Vancouveria hexandra Terry Roth 1979-5-20 64 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  CAS-BOT-BC76087  Vancouveria planipetala Ira L. Wiggins 1932-6-18 5865 Humboldt Along Jacoby Creek, 2 miles east of Bayside. Comment
  HSC21192  Veronica americana Paul Shields 1955-6-16 Humboldt HSC campus Comment
  RSA0049599  Veronica hederifolia var. triloba Dean Wm. Taylor 2013-5-8 21405 Humboldt Arcata, about the grounds of the Masonic Lodge, on Bayside road east of Highway 101 21 Comment
  UC709409  Vicia faba Joseph P. Tracy 1940-4-7 16527 Humboldt Bayside 15 Comment
  RSA34309  Vicia hirsuta C. Kistner 1935-5-5 s.n. Humboldt Arcata Comment
  UC1222587  Vicia tetrasperma Joseph P. Tracy 1948-8-7 18083 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  HSC34643  Viola sempervirens Thomas Anthony 1975-4-8 4 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  HSC95737  Viola sempervirens Steven Lee 2004-2-18 1 Humboldt Arcata Community Forest, Jolly Giant Creek; 5-20 ft. from water's edge Comment
  HSC9826  Vulpia bromoides L. M. Malloy 1965-5-14 50 Humboldt 0.5 mi. W of Alliance Store along Alliance Rd. Comment
  HSC9828  Vulpia bromoides N. R. Waite 1965-5-19 37 Humboldt W edge of Humboldt State University campus. Comment
  HSC9834  Vulpia bromoides W. F. Nickel 1965-3-17 Humboldt HSU campus, behind wildlife building Comment
  HSC9835  Vulpia bromoides R. H. Berg 1963-3-9 6 Humboldt Fickle Hill area, Arcata. Comment
  RSA121356  Vulpia microstachys var. pauciflora H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  HSC9943  Vulpia myuros Gene S. Van Horn 1962-5-10 14 Humboldt H.S.U campus, between Administration Building and College Commons, Arcata. 46 Comment
  CHSC70127  Wisteria floribunda Katie Grenier 1988-4-22 271 Humboldt Humboldt State University, S. side of Plant Operations Bldg. on 14th St., growing on fence. Comment
  HSC6316  Wyethia angustifolia Frances Oldridge 1945-1 Humboldt Arcata Comment
  JEPS90114  Wyethia angustifolia Dean William Taylor May 1972 1069 Humboldt near Arcata Comment
  HSC13443  Zizania palustris var. interior Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment



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