Search Results — 2000 specimen records retrieved (1392 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC54223  Abies concolor Griswold, Butler 1979-7-12 7288 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC55121  Abies concolor G. L. Clifton, Griswold 1979-8-1 11916 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC72979  Abies concolor Gail Newton 1980-7-14 1514 Humboldt Near Deadman Ridge 1097 Comment
  CDA19007  Abies grandis Lubinski 2000-10-5 PDR P 070106 Humboldt North Coast Ranges; along U.S.F.S Rd 1, in the vicinity of Blue Lake. 0 Comment
  HSC73024  Abies procera Gail Newton 1980-8-10 1987 Humboldt Near Blake Mtn. 1798 Comment
  HSC16136  Abronia latifolia S. J. Hawks 1965-5-13 55 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  HSC27878  Abronia latifolia Clifton Raymond Chesbrough 1973-6-19 76 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  HSC16133  Abronia latifolia J. W. Johnson 1961-8-17 1050 Humboldt Arcata, ridge 8, Lanphere Farm, Samoa Peninsula Comment
  UC673029  Abronia umbellata subsp. breviflora Joseph P. Tracy 1940-9-9 16721 Humboldt Mouth of Little River 3 Comment
  HSC27877  Acer circinatum Clifton Raymond Chesbrough 1973-6-19 75 Humboldt 0.25 mi. from Harris and T Sts. on U St. Comment
  UC35020  Acer circinatum Harley P. Chandler June, 1901 1283 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 1097 Comment
  HSC102073  Acer glabrum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 975 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC99409  Acer glabrum var. torreyi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 58 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA20961  Acer glabrum var. torreyi Carl B. Wolf 1937-9-13 9336 Humboldt North Coast Range, Clear Lake, between Grouse Mountain and Horse Mountain 1524 Comment
  HSC31652  Acer macrophyllum Timothy B. Devine 1974-5-4 318 Humboldt 1/4 mi. N of junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  JEPS42651  Acer macrophyllum W. L. Jepson 1932-7-30 16448 Humboldt near Big Tree; Bull Creek, near Big Tree 121 Comment
  JEPS42656  Acer macrophyllum W. L. Jepson 1902-6-19 1887 Humboldt Ft. Seward Ranch Ridge Ft. Seward Ranch Ridge (= Mail Ridge) ((= Mail Ridge)) 1219 Comment
  SBBG4087  Acer macrophyllum M. J. Cody 1938-7-14 Humboldt near Trinidad Comment
  UC165821  Acer macrophyllum J. P. Tracy 1906-4-15 2403 Humboldt moist bottom lands on Mad River near Blue Lake; on Mad River near Blue Lake 30 Comment
  CAS-BOT-BC331586  Acer macrophyllum Doris K. Kildale 1926-9-5 2636 Humboldt Lasseck's Peaks, on trail between Covel[?] Camp and Red Rock 1676 Comment
  CHSC10146  Achillea millefolium J. W. Johnson 1961-8-17 1061 Humboldt Arcata, California. W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC24376  Achillea millefolium J. O. Sawyer 1970-6-24 2217 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC58099  Achillea millefolium G. L. Clifton, Griswold 1979-8-1 12027 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC73648  Achillea millefolium M. A. Baker 1980-7-22 3117 Humboldt Near Grogan Hole. 1676 Comment
  SEINET2145826  Achillea millefolium Joseph P. Tracy 1912-6-9 3661 Humboldt Alton 60 Comment
  SEINET6700495 Image available Achillea millefolium H. E. Parks, S. T. Parks 24246 Humboldt Egg Point, Trinidad 122 Comment
  CAS-BOT-BC28581  Achillea millefolium David D. Keck 1949-7-12 6326 Humboldt 4 miles south of Scotia (halfway between Scotia and Pepperwood). Comment
  HSC48482  Achlys triphylla Brad Klipfel 1974-7-23 466 Humboldt Horse Mtn. area Comment
  HSC3330  Achlys triphylla Francis Winter 1960-4-23 Humboldt 1 mi. S of Simpson Creek, Korbel-Maple Creek Rd. 213 Comment
  JEPS47754  Achlys triphylla subsp. triphylla Lincoln Constance 1934-6-1 773 Humboldt Bull Cr. rd. between Dyerville Bridge and Bull Creek flat grove (mouth of Bull Cr.); S. Fork Eel R., Bull Creek Region 45 Comment
  SEINET5585536 Image available Achnatherum lemmonii Joseph P. Tracy 1926-1 7649 Humboldt Horse Mountain 1524 Comment
  UC187245  Achnatherum lemmonii Joseph P. Tracy Jul 27 1908-Jul 30 1908 2707 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC36791  Acmispon nevadensis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2050 Humboldt Beside FS Rd. 2S08 to Pine Mtn. Comment
  CHSC35605  Acmispon parviflorus Jame P. Smith 1973-5-26 6837 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC56188  Actaea rubra Gilbert Muth 1979-8-1 12125 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC99390  Actaea rubra subsp. arguta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 39 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC44521  Adenocaulon bicolor Brad Klipfel 1973-7-1 128 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SBBG7504  Adenocaulon bicolor H. and M. Dearing 1939-6-20 3687 Humboldt W of Willow Crk Comment
  CHSC21826  Adiantum aleuticum D. Joley 1967-8-17 Humboldt Found 10 mi e of Fortuna. Comment
  UC275411  Adiantum aleuticum Joseph P. Tracy 1925-11-25 7324 Humboldt near s fork Trinity River Valley; Northern Coast Ranges 182 Comment
  CAS-BOT-BC65628  Adiantum jordanii Doris K. Kildale 1928-12-30 6767 Humboldt Phillipsville Comment
  HSC5638  Ageratina occidentalis D. E. Anderson 1965-9-5 4094 Humboldt Along Mad River, ca. 3 miles south of Blue Lake Comment
  UC194430  Ageratina occidentalis P. E. Goddard 1907-7-14 b 128 Humboldt along Van Duzen <River> Van Duzen <River> Comment
  UC194431  Ageratina occidentalis P. E. Goddard Jun 1 1906-Jul 1 1906 638 Humboldt North Fork Eel River Comment
  HSC75954  Agoseris grandiflora Overton, Butler 1979-7-24 9734 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  RSA167298  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt In fallow field at north end of town. Garberville. Comment
  RSA167299  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt In fallow field at north end of town. Garberville. Comment
  SEINET202624 Image available Agoseris grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt Garberville north end of town. Comment
  SEINET202732 Image available Agoseris grandiflora Joseph P. Tracy 1945-7-15 17513 Humboldt Trinty River Valley at Willow Creek. 152 Comment
  CAS-BOT-BC15349  Agoseris heterophylla L. R. Abrams 1918-6-16 7136 Humboldt Willow Creek Comment
  UC275458  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1925-5-30 7038 A Humboldt Laribee Valley; Northern Coast Ranges 701 Comment
  UC1199483  Agoseris heterophylla var. heterophylla Joseph P. Tracy Jul 16 1930-Jul 19 1930 9045 Humboldt near, in open glades along summit Blake lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  JEPS71135  Agrostis alba W. L. Jepson 1936-8-17 17923 Humboldt 2 1/2 mi s Fields Landing Comment
  CAS-BOT-BC127298  Agrostis exarata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  UCD52429  Agrostis exarata P. B. Kennedy 1923-8-3 s.n. Humboldt south of Scotia by road off highway. Comment
  UCR27986  Agrostis exarata A. C. Sanders 1981-8-6 2302 Humboldt Near Orick, 1.6 mi west of Hwy 101 on Davison Road toward Gold Bluffs Beach Comment
  RSA293142  Agrostis gigantea Thomas W. Nelson, James Nelson 1976-7-28 3046 Humboldt West of Alder Springs along 2S08 1555 Comment
  UC187288  Agrostis hallii J. P. Tracy 1900-7-4 876 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa Comment
  UC33755  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6175 Humboldt near Ferndale Comment
  UC526876  Agrostis oregonensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8933 Humboldt in wet meadow at McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC139060  Agrostis pallens Doris K. Kildale 1925-8-17 1261 Humboldt Trinity Summit. 1917 Comment
  POM207333  Agrostis pallens Davy Blasdale 1899-05 5723 Humboldt Supply Creek Comment
  SEINET200838 Image available Agrostis semiverticillata Joseph P. Tracy 1943-5-29 17445 Humboldt Eureka. 30 Comment
  CAS-BOT-BC138636  Agrostis stolonifera Carl B. Wolf 1927-8-28 1189 Humboldt Eureka Bay, on the road to Arcata. Comment
  UC33728  Agrostis stolonifera Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6203 Humboldt Russ Ranch Comment
  UC526873  Agrostis thurberiana Joseph P. Tracy Jul 16 1930-Jul 19 1930 8989 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC73963  Aira caryophyllea Gail Newton 1980-6-7 127 Humboldt Near Brush Mountain 1128 Comment
  HSC8858  Aira caryophyllea E. W. Styskel 1964-5-10 88 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  UC1541534  Aira caryophyllea Harold E. Parks May 1934 4946 Humboldt Spruce Cove Trinidad 91 Comment
  UC50685  Aira caryophyllea Joseph Burtt Davy and Walter C. Blasdale 1899-6-12 5474 Humboldt Elk Prairie Comment
  SEINET7594529 Image available Aira caryophyllea H. E. Parks, S. T. Parks 1936-1 5850 Humboldt Spruce Cove, Trinidad. Comment
  CAS-BOT-BC138334  Aira caryophyllea var. caryophyllea David D. Keck 1948-7-1 5972 Humboldt South side of Big Lagoon. Comment
  CAS-BOT-BC138335  Aira caryophyllea var. caryophyllea Joseph P. Tracy 1933-6-13 12581 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. 1066 Comment
  HSC90692  Aira praecox Gail Newton 1982-5-5 3558 Humboldt Elk River Wildlife Area, Eureka. Comment
  UC34056  Aira praecox J. P. Tracy 1900-6-5 849 Humboldt Immediate vicinity of Eureka 0 Comment
  SEINET12045750  Allium amplectens C. C. Harris, Harris, S. K. 1936-1 645 Humboldt at point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River 710 Comment
  SEINET3883763  Allium amplectens D. W. McNeal, L. V. Mingrone 1967-6-12 382 Humboldt 8.0 mi. n.w. of Bridgeville on the county rd. to Kneeland, along the roadside.; 0 Comment
  HSC77956  Allium falcifolium D. K. Imper 1982-7-13 1489 Humboldt Near Chaparral Mtn. 1386 Comment
  UC303036  Allium falcifolium Joseph P. Tracy 1926-6-20 7612 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  SEINET199679  Allium falcifolium J. P. Tracy 1933-7-11 12658 Humboldt Horse Mtn 1433 Comment
  HSC12536  Allium membranaceum J. Allen DeCou 1899-6-22 263 Humboldt Trail to Trinity Summit Comment
  SD131800  Allium peninsulare Barbara Ertter, Thomas J. Delendick 1987-5-16 6920 Humboldt Vista Point, just west of Berry Summit on Highway 299, ca. 15 airmiles east of Arcata, open grassy south-facing slope with scattered seeps and poison oak, dry rocky ridge below vista. 914 Comment
  SEINET8191725  Allium triquetrum R. R. Halse 2013-3-28 8768 Humboldt Along US Hwy 101, ca 1.0 mile W of Orick. 4 Comment
  HSC2987  Allium unifolium J. F. Knezevich 1968-5-14 438 Humboldt 11 mi. S of Ferndale on rd. to Cape Mendocino 305 Comment
  HSC96512  Alnus rubra Gordon Leppig 1999-7-9 1179 Humboldt Big Lagoon County Park; Big Lagoon Bog 3 Comment
  POM212075  Alnus rubra C. B. Wolf 1930-10-26 1967 Humboldt south edge of Big Lagoon, near the Redwood highway bridge. 3 Comment
  UC176169  Alnus rubra Joseph P. Tracy 1913-9-9 4392 Humboldt Big Lagoon Northern Coast Ranges 30 Comment
  UC503095  Alnus rubra Joseph P. Tracy 1930-11-16 9255 Humboldt Alton North Coast Ranges, Van Duzen River (along river) 30 Comment
  JEPS79806  Alnus viridis subsp. sinuata Joseph P. Tracy Jul 16 1930-Jul 19 1930 9080 Humboldt near McKay Camp (along stream); Northern Coast Ranges, South Fork Mountain 1676 Comment
  SEINET201058  Alopecurus carolinianus J. P. Tracy 1932-8-21 10360 Humboldt Three Cabins; lower W foothills of Chaparral Mtn 457 Comment
  RSA167287  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19524 Humboldt back of Everett Beck House (formerly George Fray) bed of former Goose Lake, Hydesville. Comment
  UC1100224  Alopecurus geniculatus Malcolm A. Nobs and S. Galen Smith 1949-8-3 1164 Humboldt 1 mi. s. Fields Landing (Eel R. Valley); Eel R. Valley Comment
  UC527823  Alopecurus geniculatus Ira L. Wiggins 1932-6-18 5867 Humboldt lagoon at mouth of Little R. Comment
  UCD55908  Alopecurus geniculatus J. Lenz 1950-6-1 s.n. Humboldt Cranell. Comment
  SEINET11674220  Alopecurus geniculatus J. P. Tracy 1951-1 19524 Humboldt back of Everett Beck house (formerly George Fray) bed of former Goose Lake, Hydesville Comment
  CAS-BOT-BC13706  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt At mouth of Little River Comment
  HSC5663  Ambrosia chamissonis D. E. Anderson 1961-9-2 1771 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  JEPS40954  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13688 Humboldt along coast in front of s end of Stone Lagoon; Dry Lagoon, Stone Lagoon 3 Comment
  UC665537  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  UCD170774  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. Between ocean and Big Lagoon. 2 Comment
  HSC100625  Amelanchier alnifolia Carl C. Marshall Jun 1886 292 Humboldt Bald Hills. Comment
  RSA15621  Amelanchier alnifolia Carl B. Wolf 1927-8-30 1261 Humboldt 3 miles S of Thorn3 miles S of Tom's Place Comment
  HSC18528  Amelanchier alnifolia var. semiintegrifolia D. E. Anderson 1964-4-24 3541 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  CAS-BOT-BC143018  Amelanchier utahensis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC46959  Ammophila arenaria J. P. Smith, Thomas W. Nelson 1977-6-30 9201 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  RSA385128  Ammophila arenaria Edith A. Purer 1932-7-27 4157 Humboldt Samoa sand dunes. Comment
  UC584207  Ammophila arenaria David D. Keck and J. Clausen 1935-6-16 3387 Humboldt Mouth of Little River Little River Comment
  HSC90482  Amsinckia spectabilis Jean Hanson 1981-5-10 132 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  HSC32503  Anagallis arvensis David Johnson 1974-5-2 73 Humboldt Mad River Co. Park, mouth of the Mad River; by the parking lot Comment
  UC562470  Anagallis arvensis Joseph P. Tracy 1933-5-20 12231 Humboldt s. of point of the Cape Cape Mendocino 3 Comment
  UC562471  Anagallis arvensis Joseph P. Tracy 1932-5-10 9936 Humboldt Bear R. Ridge Northern Coast Ranges, Bear R. Ridge 609 Comment
  UC486470  Anagallis arvensis Mrs. W. C. Emsley Jun 1932 67 Humboldt Ocean Beach Comment
  CAS-BOT-BC45132  Anaphalis margaritacea Carl B. Wolf 1927-8-30 1230 Humboldt 2 miles S of Petrolia on Matole River near point where road crosses river Comment
  CAS-BOT-BC45137  Anaphalis margaritacea Doris K. Kildale 1926-8-8 2476 Humboldt Dyerville Bridge 45 Comment
  HSC4623  Anaphalis margaritacea J. W. Johnson 1961-8-17 1018 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC76343  Anaphalis margaritacea D. K. Imper 1981-7-21 890 Humboldt Near Table Bluff 38 Comment
  HSC90221  Anaphalis margaritacea L. Watson, J. Watson Aug 1990 2 Humboldt Near Manilla; Mad River Slough and Dunes, 50 yds. N of parking lot, E. of trail Comment
  HSC4618  Anaphalis margaritacea J. Rockwell 1962-11-12 151 Humboldt Near Coast Guard Station Comment
  HSC4628  Anaphalis margaritacea H. E. Parks, S. T. Parks Aug 1943 24237 Humboldt Along Hwy, Stone Lagoon Comment
  JEPS14204  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  UC642308  Angelica hendersonii Joseph P. Tracy 1938-8-28 16134 Humboldt Trinidad 3 Comment
  HSC71436  Angelica hendersonii J. M. DiTomaso 1980-7-29 1798 Humboldt Elkshead, 2 mi N of Trinidad Comment
  RSA21186  Angelica hendersonii C. B. Wolf 1937-8-11 9145 Humboldt 1/2 mile east of Alton. 21 Comment
  UCD127226  Angelica hendersonii Joseph DiTomaso 1980-6-29 1634 Humboldt north side of Elkshead. 2 miles north of Trinidad. Comment
  HSC71328  Angelica lucida J. M. DiTomaso 1981-6-16 2013 Humboldt Hwy. 101, 1 mi. S of Samoa Blvd., Arcata. Comment
  BLMAR426  Angelica tomentosa Clara Sander 2004-9-1 426 Humboldt Titlow Hill, Horse Mt area on Titlow hill road 1554 Comment
  HSC99069  Angelica tomentosa Cara Witte 2008-8-16 1027 Humboldt Ammon Ridge Road. Approximately 1/4 mile east of intersection with National Forest 1. 1548 Comment
  UC169302  Anisocarpus madioides Joseph P. Tracy 1909-7-31 3033 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC271451  Anisocarpus madioides Henry M. Pollard 1948-7-23 s.n. Humboldt Perch Creek canyon, near Orleans Comment
  HSC75434  Anthoxanthum occidentale J. O. Sawyer, M. Erickson 1979-7-15 3413 Humboldt Adroni Research Natural Area, slopes along Aikins Creek 457 Comment
  SEINET11682981  Anthoxanthum occidentale K. S. Erdman 1970-1 4797 Humboldt Cal-Barrow Road 3 mi E of US 101 at E boundary of Prairie Creek State Park (Redwood N.P.) Comment
  HSC8934  Anthoxanthum odoratum H. E. Parks, S. T. Parks Apr 1952 24444 Humboldt Spruce Cove, Trinidad 61 Comment
  CDA41213  Antirrhinum vexillo-calyculatum subsp. breweri E. C. Whitney 1960-9-1 s.n. Humboldt State Highway 96 near Bluff Creek. 0 Comment
  UC582468  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1936-6-27 16003 Humboldt Miranda 91 Comment
  RSA371546  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-30 360 Humboldt Orleans vicinity. 40 ft. N of the southern junction of Cedar Camp Road and Hwy. 96. 183 Comment
  UC1196740  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1925-7-12 7203 Humboldt w of South Fork of Trinity River mouth 304 Comment
  UC204117  Aphanes occidentalis Joseph P. Tracy 1918-5-1 4903 Humboldt Kneeland Prairie Northern Coast Ranges (towards McBrides) 762 Comment
  HSC57660  Apocynum androsaemifolium G. L. Clifton, Griswold 1979-7-25 10835 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC97622  Apocynum androsaemifolium Cara Witte 2007-6-19 301 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC1197616  Apocynum androsaemifolium Joseph P. Tracy 1911-7-11 3518 Humboldt ridge next s. of Hoopa Valley (w. side of Trinity R. near Willow Creek); Northern Coast Ranges, Trinity R. 304 Comment
  UC562298  Apocynum cannabinum Joseph P. Tracy 1932-6-14 10148 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC56245  Aquilegia formosa var. truncata Walter Overton 1979-8-1 12348 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  UC552302  Arabidopsis thaliana Joseph P. Tracy 1935-4-20 13787 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC70689  Arabis breweri var. breweri Gail Newton 1980-7-15 1568 Humboldt Near Sims Mtn. 1311 Comment
  HSC44506  Arabis glabra Brad Klipfel 1973-7-1 121 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC902020  Arabis subpinnatifida Joseph P. Tracy 1949-7-19 18389 Humboldt Grouse Mountain 1584 Comment
  RSA246789  Aralia californica R. F. Thorne, P. Everett 1965-8-5 35137 Humboldt Mt. Chamisal: below summit 579 Comment
  SJSU2568  Aralia californica H. L. Buckalew 1962-7-2 Humboldt junction of Willow Creek & E Fork Willow Creek on Hwy 299, eastern Humboldt County Comment
  HSC30336  Arbutus menziesii Dale R. Gradek 1974-5-22 92 Humboldt 1 mi. E of Hwy. 101 on North Bank Rd. 30 Comment
  JEPS44156  Arctium minus W. L. Jepson 1936-8-12 17888 Humboldt Philipsville South Fork Eel River Comment
  UC1389155  Arctostaphylos A. E. Wieslander 1931-5-17 2567 Humboldt Orick-Orleans rd Hoopa Quadrangle, Bald Hills Comment
  HSC7606  Arctostaphylos canescens Paul Shields May 1955 Humboldt 2 mi. N of Willow Creek Comment
  UCD162896  Arctostaphylos canescens D. O. Burge 2015-6-5 1742 Humboldt Horse Mountain. 1460 Comment
  HSC98662  Arctostaphylos canescens subsp. canescens C. Witte 2007-5-17 28 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  CAS-BOT-BC23731  Arctostaphylos columbiana B. A. Stein 1981-11-1 567 Humboldt US Hwy 101 2 miles north of Patrick Poing 60 Comment
  CAS-BOT-BC23790  Arctostaphylos columbiana Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon 6 Comment
  CAS-BOT-BC23809  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny Comment
  JEPS38970  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  RSA134585  Arctostaphylos columbiana P. C. Everett, E. K. Balls, George B. Everett 1959-10-26 23975 Humboldt 4 mi. se from Honeydew along Old Coast Road to Ettersburg. 457 Comment
  UC1121466  Arctostaphylos columbiana A. E. Wieslander 1939-9-2 994 Humboldt 2 mi sw Big Lagoon (17 mi s of Orick); Rocky Pt. Quadrangle 7 Comment
  UC1198661  Arctostaphylos columbiana Joseph P. Tracy 1928-3-4 8403 Humboldt Miranda South Fork of Eel River 121 Comment
  UC484049  Arctostaphylos columbiana Carl B. Wolf 1930-10-29 1784 Humboldt Old Coast Rd 7 mi s Honeydew P.O. 304 Comment
  UCD50687  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1171 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  UCD51493  Arctostaphylos columbiana B. L. Kay 1955-3-20 Humboldt 5 miles west of Garberville. Comment
  SEINET11998372  Arctostaphylos columbiana W. Knight, Knight, I. 1989-1 6476 Humboldt Patrick's Point State Park 24 Comment
  JEPS38975  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1934-7-9 13332 Humboldt ridge 5 mi s Harris (on road towards Bell Springs) 762 Comment
  CAS-BOT-BC39132  Arctostaphylos hispidula Doris K. Kildale; L. B. Kildale 1930-5-11 9529 Humboldt Bald Hills - Wiregrass Prairie 792 Comment
  SEINET11998344  Arctostaphylos klamathensis Unknown 1989-1 s.n. Humboldt Fish Lake Area near Weitchpec, near Klameth River 549 Comment
  BLMAR54  Arctostaphylos manzanita Jennifer Anthony-Wheeler 1994-2-14 54 Humboldt King range, growing along KR rd approx 2mi from rd end 228 Comment
  UCD19961  Arctostaphylos manzanita C. H. Lamoureux; R. Gankin 1956-3-18 1046 Humboldt 2 miles east of Dinsmore, on Hwy 36. Comment
  CAS-BOT-BC38829  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1930-8-3 9141 Humboldt Dinsmore's Ranch: On Van Duzen River opposite Buck Mountain. 670 Comment
  UC153967  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1909-10-7 3112 Humboldt Gans Prairie Northern Coast Ranges 609 Comment
  UC249507  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1922-4-30 6043 Humboldt mts. slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, Gopher Camp <Langdons place> 762 Comment
  HSC102094  Arctostaphylos nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 997 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC31439  Arctostaphylos nevadensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5557 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC44397  Arctostaphylos nevadensis Brad Klipfel 1975-5-24 631 Humboldt Horse Mtn. Comment
  HSC7779  Arctostaphylos nevadensis D. E. Anderson 1965-6-1 3759 Humboldt Horse Mountain, S facing slope 1220 Comment
  UC1196874  Arctostaphylos nevadensis Joseph P. Tracy 1933-7-11 12670 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC40027  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1935-6-23 13992 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC40072  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1918-9-24 s.n. Humboldt Between Redwood and klamath canyons, Bald Hills. Comment
  SEINET11988227  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1981-1 4326 Humboldt Regional Parks Botanic Garden, Berkeley, orig. from French Camp Comment
  SEINET11989093  Arctostaphylos nevadensis subsp. knightii R. Gankin, Hildreth, W. R. 1967-1 1177 Humboldt 21.4 mi E of US 101 on Bald Hills Rd from Orick, French Camp Ridge Comment
  SEINET11995486  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1988-1 6360 Humboldt 21 mi up Bald Hill Rd from US 101 en route to Hoopa 975 Comment
  SEINET2028698 Image available Arctostaphylos tracyi H. E. Parks 1931-12-1 4950 Humboldt Hobson's Trinidad 200 Comment
  CAS-BOT-BC43982  Arctostaphylos uva-ursi Alice Eastwood 1923-8-14 12312 Humboldt Samoa Comment
  CAS-BOT-BC43987  Arctostaphylos uva-ursi Paul Covel 1939-8-7 s.n. Humboldt near Eureka Comment
  CAS-BOT-BC46795  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17505 Humboldt Eureka 45 Comment
  CAS-BOT-BC47208  Arctostaphylos uva-ursi Doris K. Kildale 1927-3-25 3010 Humboldt Humboldt Hill, near Humboldt Bay. Comment
  HSC39960  Arctostaphylos uva-ursi Linda M. Barker 1976-4-13 1379 Humboldt 3 mi. W of Arcata Comment
  HSC7726  Arctostaphylos uva-ursi J. W. Johnson 1962-3-31 1196 Humboldt Ridge 8, W.M. Lanphere Farm, Samoa Peninsula, Arcata Comment
  RSA152314  Arctostaphylos uva-ursi Joseph P. Tracy s.n. Humboldt Eureka. 46 Comment
  RSA741641  Arctostaphylos uva-ursi var. coactilis Patricia Wilder 1968-8-21 4409 Humboldt Northern coastal arm of Humboldt Bay, ca. 1 mile SW of Samoa, in sand dunes. 15 Comment
  UCD129123  Arctotheca calendula T. C. Fuller; G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  UCD56502  Aristida oligantha J. I. Mallory 1955-9-17 122 Humboldt California Forest and Range Experiment Station, NNW 3/8 mile of headquarters, Cottrell Ranch. 746 Comment
  CAS-BOT-BC64584  Armeria maritima subsp. californica Ira L. Wiggins 1930-7-11 4683 Humboldt Near Samoa. Comment
  HSC59482  Armeria maritima subsp. californica M. A. Ericksen 1979-4-29 243 Humboldt 0.4 mi. N of Coast Guard Station, Samoa Peninsula. Comment
  JEPS20973  Arnica cernua Joseph P. Tracy 1926-5-2 7449 Humboldt near Ruby Creek; Northern Coast Ranges, Ruby Creek 609 Comment
  HSC99480  Arnica discoidea K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 139 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp. 1433 Comment
  HSC48988  Arnica discoidea M. A. Baker 1979-5-25 763 Humboldt Comment
  HSC58598  Arnica latifolia G. L. Clifton, Griswold 1979-7-25 10755 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  RSA46799  Arnica latifolia Doris K. Kildale 1926-4-25 1808 Humboldt Sugar Bowl Mt. near Hoopa Comment
  RSA424565B  Artemisia douglasiana Thomas S. Elias, Barbara A. Elias 1987-8-26 10628 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge Comment
  SEINET11842962  Artemisia douglasiana F. H. Utech 1986-1 86 -412 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  UC196572  Artemisia dracunculus Joseph P. Tracy 1916-9-5 4767 Humboldt 4 mi above mouth of South Fork Eel River 60 Comment
  CAS-BOT-BC90881  Artemisia pycnocephala Carl B. Wolf 1940-11-10 9782 Humboldt Coast South of Mendocino - 1 8/10 mi. N. of where road turns inland to Petrolia 7 Comment
  RSA15563  Artemisia pycnocephala C. B. Wolf 1927-8-29 1206 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  HSC48791  Aruncus dioicus var. acuminatus Brad Klipfel 1975-6-17 659 Humboldt 2 mi. E of Titlow Hill Rd. along Hwy. 299 Comment
  CAS-BOT-BC400528  Asarum caudatum Mrs. H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  CAS-BOT-BC400541  Asarum caudatum Harley P. Chandler 1901-5-1 1267 Humboldt North Coast Ranges. Redwood Belt 457 Comment
  UC6169  Asarum caudatum Harley P. Chandler May 1901 1267 Humboldt Redwood Belt 457 Comment
  HSC59473  Asarum caudatum M. A. Ericksen 1979-5-9 260 Humboldt Along Jolly Giant Creek, HSU campus Comment
  CAS-BOT-BC400620  Asarum hartwegii Harley P. Chandler 1901-6-1 1478 Humboldt North Coast Ranges, Klamath River 396 Comment
  HSC57099  Asarum hartwegii Overton, Butler 1979-7-25 9828 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  CAS-BOT-BC65941  Aspidotis densa Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  UC62541  Aspidotis densa Harley P. Chandler June, 1901 1380 Humboldt Hupa Indian Reservation; North Coast Ranges 152 Comment
  RSA273373  Aspidotis densa Thomas W. Nelson, Jane Nelson 1976-7-1 2906 Humboldt North of Bear Creek 1463 Comment
  CDA30679  Aster chilensis M. K. Beyers, I. Shepardson 2009-9-13 252 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  UC1174495  Astragalus rattanii var. rattanii Volney Rattan June 1882 Humboldt Comment
  HSC34744  Asyneuma prenanthoides Thomas W. Nelson 1974-7-19 1671 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC41304  Asyneuma prenanthoides Brad Klipfel 1974-7-23 467 Humboldt Horse Mtn. Comment
  CAS-BOT-BC69520  Athyrium filix-femina subsp. cyclosorum L. R. Abrams 1916-7-11 6053 Humboldt At mouth of Grizzly Creek on Van Duzon River. Comment
  POM281070  Athyrium filix-femina subsp. cyclosorum Lyman Benson 1928-7-12 492 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 76 Comment
Read comments
Oct 12 2010
  RSA424567  Atriplex patula T. S. Elias, Barbara A. Elias 1987-8-26 10623 Humboldt Fernbridge Comment
  JEPS72923  Avena barbata Lincoln Constance 1934-6-18 901 Humboldt N. Dyerville Flat South Fork Eel River, Bull Creek Region (swamp border, near S. Fork R.R. sta. and P.O.) Comment
  HSC45052  Avena fatua R. Sutherland 1978-4-25 9 .25478 Humboldt 9 Comment
  UC1152029  Avena fatua A. H. Murphy 1951-4-2 8 Humboldt Hwy 101 1/4 mi s Phillipsville (side of road) Comment
  UC1152028  Avena sativa Joseph P. Tracy 1951-5-26 19511 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS32397  Baccharis glutinosa W. L. Jepson 1936-8-11 17867 Humboldt spot on mountainside, Philipsville South Fork Eel River Comment
  UC1199296  Baccharis pilularis Joseph P. Tracy 1933-10-15 13099 Humboldt Miranda South Fork of Eel River 121 Comment
  HSC78978  Baccharis pilularis subsp. consanguinea L. P. Janeway 1984-12-5 1192 Humboldt On the N Spit of Humboldt Bay; on the W side Samoa Rd. near the boat ramp 5 Comment
  HSC90476  Baccharis pilularis subsp. consanguinea Jean Hanson 1980-10-26 127 Humboldt Indian (Gunther) Island. In Humboldt Bay, City of Eureka. W end of island next to dike. Comment
  CAS-BOT-BC99988  Balsamorhiza deltoidea Doris K. Kildale 1929-4-29 7449 Humboldt Willow Creek - Salyer Road along Trinity River, 3 miles south of Willow Creek Comment
  UC184173  Barbarea orthoceras Joseph P. Tracy 1913-6-14 4119 Humboldt Dinsmore's Ranch; in Valley of Van Duzen River opposite Buck Mountain 762 Comment
  UC492246  Barbarea orthoceras Joseph P. Tracy 1928-4-22 8413 Humboldt along streamlet, Trinity River Valley, at Willow Creek 152 Comment
  HSC28271  Barbarea verna Thomas W. Nelson 1971-4-12 372 Humboldt Beside Hwy. 101 at the Hookton Rd. junction Comment
  JEPS31856  Bellis perennis Joseph P. Tracy 1937-6-20 15345 Humboldt 10 miles up from mouth of Bear River Bear River 152 Comment
  HSC5193  Bellis perennis Francis Winter 1960-4-24 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  UCD129543  Bellis perennis Joseph M. DiTomaso 1976-3-28 343 Humboldt Arcata, corner of 3rd and D. Comment
  JEPS8443  Bensoniella oregona Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3416 Humboldt edge of meadow at Snow Camp High Prairie (ridge between Mad River and Redwood Creek (Bald Mountain ridge)); btw Mad River and Redwood Crk (Bald Mountain), High Prairie 1432 Comment
  RSA114084  Bensoniella oregona R. C. Bacigalupi, Constance, Trqacy, Moran, Rodriguez, Carlquist 1951-6-14 3410 Humboldt High Prairie, on long high ridge between Mad River and Redwood Creek (Bald Mountain ridge) 1067 Comment
  HSC41476  Berberis aquifolium Richard Runyon 1977-4-23 10 Humboldt 2.5 mi. S of Shelter Cove Road, S fork of Bear Creek at Wailaki Campground 561 Comment
  HSC76281  Berberis aquifolium var. repens Denis Kearns 1981-7-6 45 Humboldt Near Mosquito Lake 1122 Comment
  HSC3352  Berberis nervosa Francis Winter 1960-4-23 Humboldt 2 mi. E of Korbel 46 Comment
  HSC59564  Berberis nervosa Rick Lundquist 1979-4-22 27 Humboldt 8.4 mi. up Fickle Hill Rd. from 11th St. across from HSU observatory 610 Comment
  HSC76280  Berberis nervosa Denis Kearns 1981-7-8 146 Humboldt Near Bluff Creek 622 Comment
  LA212250  Berberis piperiana A Arpaia; June 1966 s.n. Humboldt Willow Creek at Trinity River. 914 Comment
  CAS-BOT-BC412989  Bistorta bistortoides Volney Rattan 1882-1-1 s.n. Humboldt Kneeland Comment
  HSC73635  Bistorta bistortoides M. A. Baker 1980-7-22 3107 Humboldt Near Grogan Hole. 1676 Comment
  HSC64434  Bistorta bistortoides J. P. Smith, Steve Selva 1970-6-30 4119 Humboldt Comment
  POM118334  Blechnum spicant Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC62522  Blechnum spicant W. C. Blasdale 1896-6-1 Humboldt Freshwater Comment
  UCD136026  Blechnum spicant Gordon Leppig 1998-6-26 860 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. UTM zone 10, 4535N, 405E. 18 Comment
  CAS-BOT-BC14301  Boechera platysperma Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain Trail. 1676 Comment
  HSC103082  Boechera sparsiflora Sydney Carothers 2014-7-3 21 Humboldt Six Rivers National Forest, summit of Mt. Lassic 1791 Comment
  POM256476  Boisduvalia densiflora Joseph P. Tracy 1938-7-5 16003 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town. 46 Comment
  POM256471  Boisduvalia glabella Joseph P. Tracy 1938-7-5 16010 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town. 46 Comment
  CHSC96445  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1999-10-25 1268 Humboldt State Highway 101, mile marker 61.40. UTM zone 10, 4519N, 406 E. 2 Comment
  HSC30150  Boschniakia strobilacea R. Sanders 1974-5-6 14 Humboldt Comment
  HSC56152  Boykinia major G. L. Clifton, Griswold 1979-8-1 12008 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC56238  Boykinia major Walter Overton 1979-8-1 12327 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  CAS-BOT-BC420257  Boykinia occidentalis Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC96467  Boykinia occidentalis Gordon Leppig 1997-6-19 464 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  POM89211  Boykinia occidentalis L. R. Abrams 1922-6-25 8285 Humboldt Big Lagoon, south of Orick. Comment
  JEPS49660  Boykinia occidentalis Milo S. Baker 1923-7-19 84 b Humboldt Canyon near Carlotta (North Coast Trip); Canyon near Carlotta, North Coast Trip Comment
  HSC100718  Brassica campestris Carl C. Marshall May 1886 206 Humboldt Fields. Comment
  HSC6591  Brassica rapa Jerry Parker 1968-11-11 234 Humboldt NW corner of Murray Rd. and Central Ave., Mckinleyville Comment
  HSC79522  Brassica rapa Kenneth Clark 1980-3-1 515 Humboldt Lower alluvial terrace, Dead Man's Gulch 15 Comment
  HSC89421  Briza minor P. A. Daly 1984-7-15 32 Humboldt Trinidad Head 61 Comment
  SEINET4344866  Briza minor W. D. Billings 1940-6-22 1347 Humboldt 1/2 mile N. of Trinidad Comment
  UC15007  Brodiaea elegans subsp. elegans Joseph Burtt Davy 1899-6-11 5464 Humboldt near Elk Prairie Comment
  HSC103006  Bromus carinatus var. carinatus J. P. Smith 2014-5-23 13485 Humboldt Along the Hammond Trail north of Murray Road in McKinleyville 17 Comment
  UCD58496  Bromus carinatus var. marginatus A. H. Murphy 1951-6-25 77 Humboldt About 1 mile W of Board Camp Mtn. Ca. 16 miles NE of Bridgeville. Comment
  HSC32487  Bromus hordeaceus Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide Comment
  RSA10108  Bromus hordeaceus Joseph P. Tracy 1933-6-25 12622 Humboldt Along Eel River, 2 to 5 miles east of South Fork.Camp Grant. Comment
  UC526925  Bromus hordeaceus Joseph P. Tracy 1933-6-25 12622 Humboldt 2 to 5 mi e of South Fork Eel River (along Eel River, Camp Grant); Eel River, Camp Grant 45 Comment
  SEINET200633 Image available Bromus sterilis Joseph P. Tracy 1921-5-30 5493 Humboldt Kneeland Prairie. Comment
  CAS-BOT-BC185516  Bromus vulgaris Harley P. Chandler 1901-5-1 1177 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  SEINET200938 Image available Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley, near the South Fork. Comment
  UCD60234  Bromus vulgaris P. B. Kennedy 1923-8-3 s.n. Humboldt South of Scotia. Comment
  UCD60241  Bromus vulgaris Joseph P. Tracy 1937-6-27 15378 Humboldt Four-mile Creek (west of mouth of South Fork of Trinity). 670 Comment
  UCR51752  Buddleja davidii H. M. Pollard 1947-8-9 s.n. Humboldt North Coast Range, Klamath River near Harley Place, Orleans region Comment
Read comments
Apr 27 2007
  UC175208  Cacaliopsis nardosmia Joseph P. Tracy 1913-6-17 4186 Humboldt Buck Mountain, near the summit Buck Mountain 1676 Comment
  UC673075  Cakile edentula Joseph P. Tracy 1940-10-3 16739 Humboldt near Samoa (on Humboldt Bay); Humboldt Bay 3 Comment
  UC673072  Cakile maritima Joseph P. Tracy 1940-9-21 16724 A Humboldt near Samoa (on Humboldt Bay); Humboldt Bay 3 Comment
  UCD114943  Cakile maritima Linda M. Barker 1976-9-3 1694 Humboldt 3 miles west of Arcata. Comment
  UCD57218  Calamagrostis canadensis William Anderson 1965-6-27 s.n. Humboldt Trinidad. Comment
  UC37779  Calamagrostis foliosa H. N. Bolander 1866-6 6470 Humboldt Mattole District; bluffs along seashore; Mattole District, Humboldt Co. Comment
  HSC58660  Calamagrostis koelerioides Gilbert Muth 1979-8-1 11888 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC76541  Calamagrostis koelerioides Denis Kearns 1981-7-6 85 Humboldt Near Mosquito Lake 1256 Comment
  UCD57250  Calamagrostis koelerioides A. H. Murphy 1948-9-3 s.n. Humboldt southeast of Berry's summit, junction Horse Mtn. road and Horse Mtn. Mine roads. Comment
  UCD57329  Calamagrostis koelerioides Joseph P. Tracy 1936-7-26 15050 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  CAS-BOT-BC185181  Calamagrostis nutkaensis Doris Kildale Gillespie 1931-6-7 10653 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  UC187252  Calamagrostis nutkaensis J. P. Tracy 1901-6-30 1192 Humboldt Immediate vicinity of Eureka 0 Comment
  UC511547  Calamagrostis nutkaensis Ira L. Wiggins 1932-7-25 5898 Humboldt roadsides near McKinleyville Comment
  HSC57042  Calocedrus decurrens Overton, Butler 1979-7-24 9685 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC98720  Calocedrus decurrens Cara Witte 2008-7-11 886 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  CAS-BOT-BC488459  Calochortus amabilis Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  OBI36660  Calochortus coeruleus David J. Keil 1983-7-2 17309 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mtn Summit Rd Comment
  UC1197682  Calochortus coeruleus Joseph P. Tracy 1932-7-15 10582 Humboldt e of Corral Prairie; Trinity Summit 1828 Comment
  HSC34998  Calochortus tolmiei Thomas W. Nelson 1975-5-24 1879 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC659312  Calochortus tolmiei Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2614 Humboldt near Eureka; Larrabee Valley 762 Comment
  CAS-BOT-BC494368  Calochortus tolmiei M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  HSC34875  Calochortus tolmiei Thomas W. Nelson, James Nelson 1975-5-5 1779 Humboldt Beside Hwy. 101, ~ 4 mi. S of the Salmon Creek Bridge Comment
  HSC56155  Caltha leptosepala G. L. Clifton, Griswold 1979-8-1 12016 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  SEINET11861071  Calycadenia truncata subsp. microcephala J. P. Tracy 1941-9-1 17009 Humboldt along Trinity River near Don Juan Point 335 Comment
  HSC65477  Calypso bulbosa M. A. Baker 1980-6-7 1800 Humboldt Near Brush Mtn. 1128 Comment
  HSC32932  Calyptridium monospermum Thomas W. Nelson 1973-5-30 973 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  HSC55120  Calyptridium monospermum Gilbert Muth 1979-8-1 11899 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC99454  Calyptridium monospermum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 106 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS52547  Calyptridium umbellatum P. E. Goddard 1906-6 672 Humboldt Lasseck Peak Comment
  RSA178575  Calystegia purpurata Joseph P. Tracy 1950-6-8 18769 Humboldt Near petrolia Hills between Town and Ocean. Comment
  SEINET5058650  Calystegia sepium Unknown 2002-8-22 84 Humboldt Along Fischer Road just N of the Mad River. Comment
  CDA20594  Calystegia silvatica subsp. disjuncta P. Haggard 2005-9-15 PDR 1368655 Humboldt North Coast; Along banks of Mad River, Arcata. 0 Comment
  HSC49802  Calystegia soldanella R. York 1979-5-18 295 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  POM278808  Calystegia soldanella Lyman Benson 1928-7-10 444 Humboldt Clam Beach, Trinidad. 9 Comment
  UC421786  Camassia quamash P. E. Goddard 1906-6 691 Humboldt Lasseck Peak Comment
  HSC39613  Camassia quamash subsp. linearis Thomas W. Nelson, Jane P. Nelson 1976-6-15 2717 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  UCD103508  Camissoniopsis cheiranthifolia Linda M. Barker 1976-5-13 1492 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SBBG52988  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  CAS-BOT-BC160233  Camissoniopsis cheiranthifolia subsp. cheiranthifolia T. Mosquin; L. Mosquin 1962-7-19 4489 Humboldt 8.8 miles north of Big Lagoon along US highway 101 to Oregon Comment
  UC168956  Campanula prenanthoides Joseph P. Tracy 1911-7-4 3286 Humboldt near Willow Creek (hill slopes at w side of river); Northern Coast Ranges, Trinity River 243 Comment
  POM284844  Campanula prenanthoides Lyman Benson 1928-7-9 380 Humboldt Weott Ranger Station. Seaward N coast. Watershed- South Fork Eel Rivers. 61 Comment
  RSA21317  Campanula prenanthoides C. B. Wolf 1937-8-13 9215 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  RSA43830  Campanula prenanthoides H. M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  SEINET10840306  Campanula prenanthoides Bruce Allen 1936-7-14 Allen 36 A243 Humboldt Willow Creek Comment
  SEINET10905896  Campanula prenanthoides Nelson 1974-7-19 NELSON 1671 Humboldt McKeown Ranch north of Dinsmore. Oak-Douglas Fir woodlands, dry NE slope. T2N R5E SECS.28,29,33,34 Comment
  SEINET10939002  Campanula prenanthoides Tracy 1934-8-23 TRACY 13600 Humboldt Willow Creek Canyon 457 Comment
  SEINET10972405  Campanula prenanthoides Willis L. Jepson 1932-7-24 Jepson 16383 Humboldt FRUITLAND Comment
  HSC58014  Campanula scouleri G. L. Clifton 1979-7-31 11815 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC63287  Campanula scouleri M. A. Baker 1979-6-29 956 Humboldt Hopkin's Creek. 760 Comment
  SDSU1307  Campanula scouleri D. F. Howe 1964-8-7 3944 Humboldt 8.2 miles from #96 on Mill Creek road, Hoopa Valley. 1067 Comment
  SEINET10463744  Campanula scouleri Marshall 1886-1 MARSHALL s.n. Humboldt Comment
  SEINET10463759  Campanula scouleri Joseph P. Tracy 1937-7-25 Tracy 15560 Humboldt Happy Camp Mountain; in Trinity Summit Range, northeast of Hawkins Bar, moist bank. 1280 Comment
  UC492256  Cardamine angulata Joseph P. Tracy 1928-4-29 8425 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  CAS-BOT-BC37251  Cardamine breweri Joseph P. Tracy 1906-4-29 2432 Humboldt Northern Coast Region. Region about Humboldt Bay. South slope of Humboldt Hill. 152 Comment
  HSC98050  Cardamine californica var. integrifolia Cara Witte 2007-5-8 5 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  SEINET6914416  Cardamine californica var. integrifolia J. P. Tracy 1911-4-2 3171 Humboldt Immediate vicinity of Eureka, altitude 0-500 feet. Comment
  UC1173730  Cardamine californica var. sinuata Joseph P. Tracy 1939-4-25 16221 Humboldt mouth Bull Creek; Mouth of Bull Creek 60 Comment
  UCD114535  Cardamine oligosperma Linda M. Barker 1976-2-22 1317 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC90395  Cardamine oligosperma Jean Hanson 1980-4-12 37 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  HSC37574  Cardionema ramosissimum J. D. Ackerman 1975-6-10 458 Humboldt 1 mi. N of Samoa bridge turnoff from Samoa Blvd., S of Manila Comment
  SEINET202626  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt 'Angel's Ranch' toward Hungry Hollow; Bald Mountain Comment
  UC726350  Carex A. A. Heller 1930-8-4 14995 Humboldt Little River Comment
  HSC76378  Carex aquatilis var. dives L. P. Janeway 1982-8-7 117 Humboldt Dry Lagoon, middle of lagoon 3 Comment
  RSA244324  Carex barbarae Larry E. DeBuhr 1973-4-23 989 Humboldt Richardson Grove Redwood State Park. Comment
  CAS-BOT-BC19612  Carex brainerdii Joseph Prince Tracy 1935-7-30 14350 Humboldt Salmon Summit. On ridge 2 miles southwest of top. 1767 Comment
  SEINET3900272  Carex breviligulata Thomas Nelson, Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore.; 0 762 Comment
  HSC98936  Carex concinnoides Cara Witte 2007-5-24 120 Humboldt Along National Forest 1. Approximately 1 mile south of intersection with 6N38 and 6N36. 1476 Comment
  HSC69863  Carex densa Thomas W. Nelson, Ken Hindley 1978-5-28 4086 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  JEPS26000  Carex densa Joseph P. Tracy 1936-6-3 14848 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  JEPS80030  Carex densa Joseph P. Tracy 1936-6-17 14953 Humboldt lower foothills of nw slope of Buck Mountain Northern Coast Ranges, Buck Mountain 762 Comment
  SEINET200967  Carex deweyana Joseph P. Tracy 1900-5-30 830 Humboldt Northern Coast Ranges at Eureka. 0 Comment
  JEPS113012  Carex deweyana subsp. leptopoda Dean W. Taylor 1991-8-15 12280 B Humboldt Snow Camp Lake 1310 Comment
Read comments
Apr 8 2012
  UC302100  Carex deweyana subsp. leptopoda Joseph P. Tracy 1914-6-28 4515 Humboldt Carlotta Northern Coast Ranges 60 Comment
  CAS-BOT-BC20077  Carex echinata Joseph Prince Tracy 1932-7-14 10567 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  HSC76837  Carex exsiccata L. P. Janeway 1982-6-12 4 Humboldt Dry Lagoon 3 Comment
  CAS-BOT-BC19965  Carex exsiccata Joseph Prince Tracy 1938-9-25 16170 Humboldt Bald Mountain: at Lake Prairie. 1066 Comment
  SEINET7483969 Image available Carex exsiccata Joseph P. Tracy 1934-1 13502 Humboldt Along coast in front of South End of Stone Lagoon. 3 Comment
  SEINET11630974  Carex feta J. P. Tracy 1950-1 19010 Humboldt Buck Mountain, 3 mi S of Burr Valley, on Albee Road 1158 Comment
  UC2015873  Carex feta Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4347 Humboldt Coast Range, Burr Valley area. 'False Burr Valley' Comment
  UCD140305  Carex feta K. Esau 1934-5-8 s.n. Humboldt above Fort Seward. 609 Comment
  UC1152058  Carex fracta Joseph P. Tracy 1949-8-26 18515 Humboldt 6 mi NE of Hawkins Bar (meadow at Fern Creek, Happy Camp Mountain); Trinity Summit Range 1219 Comment
  CHSC45238  Carex geyeri L. P. Janeway 1984-6-17 848 Humboldt Titlow Hill Rd at turn to Horse Mtn. 1420 Comment
  CHSC45239  Carex geyeri L. P. Janeway 1984-6-17 845 Humboldt On ridge east of Horse Mtn. 1432 Comment
  UC1755279  Carex geyeri Dean W. Taylor 2007-7-11 20162 Humboldt Horse Mountain; Six Rivers National Forest, Titlow Hill Road at the junction with Forest Road 6N18 1432 Comment
  JEPS25967  Carex globosa Joseph P. Tracy 1932-4-23 9832 Humboldt Englewood North Coast Ranges, Englewood 91 Comment
  UC197484  Carex gynodynama Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3603 Humboldt Northern Coast Ranges, Hydesville. Comment
  UC562728  Carex hendersonii Joseph P. Tracy 1927-5-30 8080 Humboldt near Myers; North Coast Ranges, South Fork of Eel River 91 Comment
  CHSC90275  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8541 Humboldt North Coast Ranges. Along Forest Road 13N01 18 miles from junction with State Route 96. 1066 Comment
  UC562263  Carex jonesii Joseph P. Tracy 1935-7-26 14257 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  CAS-BOT-BC7792  Carex laeviculmis Joseph Prince Tracy 1930-7-16 8985 Humboldt South Fork Mountain. At McKay Camp. 1676 Comment
  CHSC90285  Carex laeviculmis Thomas W. Nelson; Jane P. Nelson 1987-6-11 8579 A Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  HSC102219  Carex laeviculmis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1135 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC28503  Carex lenticularis var. limnophila David Daniels Keck 1938-8-5 4774 Humboldt Big Lagoon Comment
  RSA88710  Carex lenticularis var. limnophila F. W. Peirson 1926-7-13 7046 Humboldt Along shore of first lagoon south of Orick. Comment
  UC1152059  Carex lenticularis var. lipocarpa Joseph P. Tracy 1950-8-7 19266 Humboldt meadow at Box Camp Trinity Summit 1463 Comment
  CAS-BOT-BC31469  Carex leptopoda Charles Vancouver Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CHSC90270  Carex lyngbyei Thomas W. Nelson; Jane P. Nelson 1987-4-27 8435 Humboldt North Coast Ranges. Along estuary to Cooper Gulch south side of street crossing. 1 Comment
  JEPS79849  Carex lyngbyei Joseph P. Tracy 1927-7-16 8248 Humboldt near mouth Elk River (around Humboldt Bay); Northern Coast Region 3 Comment
  UC1982417  Carex mariposana Barbara Wilson, Richard Brainerd, Susan Erwin, Christine Jordan and Mike Friend 2003-6-20 10950 Humboldt Sundew Meadow on South Fork Mountain, on Shasta-Trinity National Forest road 3N32. Comment
  UCR246355  Carex mendocinensis Peter F. Zika 2011-7-3 25496 Humboldt Outer North Coast Ranges (NCoRo), Titlow Hill Road, 3.7 road miles SE of Route 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  HSC102622  Carex microptera M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1609 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC70323  Carex multicaulis M. A. Baker 1980-6-7 1875 Humboldt Near Ammon Creek 732 Comment
  UC709391  Carex multicaulis Joseph P. Tracy 1941-4-11 16857 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC44074  Carex multicostata Thomas W. Nelson, Jane P. Nelson 1977-7-1 3581 Humboldt Along road, N from Alder Springs 1463 Comment
  CHSC34063  Carex nudata Joseph P. Tracy 1911-6-4 3220 Humboldt Northern Coast Region. Along Little River, 5 miles from the coast. 121 Comment
  RSA246861  Carex obnupta Robert F. Thorne, Percy C. Everett 1965-8-5 35139 Humboldt Mt. Chamisal; Below summit. 534 Comment
  UC1103606  Carex obnupta J. P. Tracy 1899-5-24 319 Humboldt immediate vicinity Eureka 0 Comment
  JEPS80014  Carex ovalis Joseph P. Tracy 1926-6-20 7631 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1463 Comment
  HSC45474  Carex pachystachya Thomas W. Nelson, Jane P. Nelson 1978-7-2 4409 Humboldt Along road to Lost Lake, branch off FS 2S08 near Pine Mtn. 1433 Comment
  SEINET3827283  Carex pachystachya Joseph P. Tracy 1938-1 16083 Humboldt In shade. 30 Comment
  HSC7080  Carex subbracteata B. D. Rogers 1965-9-10 1014 Humboldt Humboldt State College Reservoir 61 Comment
  UC1152076  Carex subbracteata Joseph P. Tracy 1950-6-25 18892 Humboldt Burr Valley, NW slope of Buck Mountain 1066 Comment
  CAS-BOT-BC116907  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-22 4725 Humboldt Near Harris Comment
  HSC102154  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1062 Humboldt Patterson Meadows 1555 Comment
  UC1561802  Carex tumulicola Barbara Ertter with Thomas J. Delendick 1987-5-16 6926 Humboldt ca. 15 air mi e Arcata (on n side of road, Vista Point just w of Berry Summit on Hwy. 299) 914 Comment
  UC303072  Carex unilateralis Joseph P. Tracy 1908-7-22 2902 Humboldt near summit of ridge between Van Duzen and Mad Rivers, on Dinsmore's Ranch 1066 Comment
  HSC102124  Carex vesicaria M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1028 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC45970  Carex vesicaria J. P. Smith, Steve Selva 1970-6-30 4133 Humboldt Comment
  UC1103611  Carex vesicaria var. major J. P. Tracy 1901-5-12 1088 Humboldt immediate vicinity Eureka 0 Comment
  HSC49819  Carpobrotus chilensis R. York 1979-4-13 241 Humboldt Bluffs surrounding College Cove. Comment
  RSA170321  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie on ridge 1 mile north above Bull Creek, about 2 miles west of Dyerville Comment
  CAS-BOT-BC249131  Castilleja affinis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's [Patricks] Point State Park Comment
  BLMAR271  Castilleja affinis subsp. affinis Jennifer Anthony-Wheeler 1995-6-30 271 Humboldt Lacks Creek 1219 Comment
  JEPS55949  Castilleja affinis subsp. litoralis T. I. Chuang and L. R. Heckard 1968-7-3 6456 Humboldt Table Bluff Comment
  JEPS66408  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1971-7-1 2668 Humboldt ca 4 mi n bridge across Big Lagoon (along U.S. Highway 101, n of Big Lagoon) 60 Comment
  UC1222830  Castilleja affinis subsp. litoralis Joseph P. Tracy 1950-6-8 18749 Humboldt 1 mi e Cape Mendocino (s slope of Bear River Ridge, near Capetown); Cape Ridge, Bear River Ridge 152 Comment
  UC582580  Castilleja affinis subsp. litoralis Joseph P. Tracy 1926-6-18 7606 Humboldt e of Fields Landing; Humboldt Hill 152 Comment
  SBBG7047  Castilleja ambigua subsp. ambigua H. and M. Dearing 1939-5-25 3430 Humboldt beach N of Loleta Comment
  SEINET10745035  Castilleja ambigua subsp. humboldtiensis Philip A. Munz 1925-6-20 Munz 9890 Humboldt Eureka, partly dry saline flats Comment
  UC1222835  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1950-7-2 18974 Humboldt 1 mi s Grizzly Camp (Trinity Summit); Trinity Summit Comment
  SD62425  Castilleja applegatei subsp. pinetorum Lincoln Constance, Elwood Molseed, Robert Ornduff 1961-7-19 3701 Humboldt Open ridge easr of Hinkey Summit. Santa Rosa Range, Humboldt National Forest Comment
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Mar 3 2014
  HSC60038  Castilleja attenuata M. A. Baker 1978-5-6 492 Humboldt 2 km. W of Weitchpec along Klamath River Comment
  RSA15566  Castilleja litoralis Carl B. Wolf 1927-8-29 1195 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  CAS-BOT-BC244880  Castilleja miniata Joseph P. Tracy 1939-8-20 16429 Humboldt near Blue Bale, along Mad River 15 Comment
  JEPS9795  Castilleja pruinosa Joseph P. Tracy 1933-7-11 12674 Humboldt Horse Mountain 1432 Comment
  HSC103011  Catalpa bignonioides J. P. Smith 2014-6-6 13868 Humboldt Willow Creek. Ornamental tree 180 Comment
  SEINET200665  Ceanothus cordulatus J. P. Tracy 1935-7-14 14092 Humboldt Grouse Mountain ridge near 'Clear Lake 1524 Comment
  SBBG4195  Ceanothus foliosus var. foliosus H. and M. Dearing 1932-5-10 987 Humboldt near Blue Lake Comment
  HSC37060  Ceanothus incanus R. Sutherland 1975-5-13 18 .13575 Humboldt 290 Comment
  UC1070754  Ceanothus incanus A. E. Wieslander 1931-5-22 219 Humboldt Wilder Ridge Comment
  HSC55349  Ceanothus integerrimus Griswold, Butler 1979-7-12 7255 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UCSB12871  Ceanothus oliganthus var. sorediatus Zinke, P. 1950-10-4 Humboldt 2 miles southeast of Honeydew 182 Comment
  HSC43184  Ceanothus parryi R. Sutherland 1975-4-22 6 .22475 Humboldt Near China Creek at county rd. 207 Comment
  JEPS42289  Ceanothus parryi Lincoln Constance 1934-5-24 632 Humboldt bordering lower Look Prairie on E side South Fork Eel River (Bull Creek Region) 121 Comment
Read comments
Mar 24 2013
  SD53199  Ceanothus parryi D. F. Howe 1962-5-21 Humboldt 2.3 miles north of Garberville on #101 152 Comment
  CAS-BOT-BC52988  Ceanothus thyrsiflorus A. A. Heller 1937-6-11 15916 Humboldt Sandy bluff above Patric Point State park, near Big Lagoon Comment
  HSC43218  Ceanothus thyrsiflorus R. Sutherland 1975-5-28 12 .28575 Humboldt Tolkan Recreational Site 503 Comment
  HSC37061  Ceanothus velutinus R. Sutherland 1975-6-19 0 .19675 Humboldt 320 Comment
  RSA24331  Ceanothus velutinus var. laevigatus Carl B. Wolf 1941-2-26 9964 Humboldt 4.4 miles W of Klamath River Bridge on Witchpec to Orick road. 305 Comment
  HSC56255  Ceanothus velutinus var. velutinus Walter Overton 1979-8-1 12389 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  CAS-BOT-BC272099  Centaurea melitensis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC673086  Centaurea solstitialis Joseph P. Tracy 1940-10-17 16759 Humboldt near Dyerville (South Fork Station) 45 Comment
  RSA391523  Centaurium muehlenbergii H. M. Pollard 1948-7-17 s.n. Humboldt Orleans. Comment
  UC1198631  Centaurium muehlenbergii Joseph P. Tracy 1918-7-1 4965 Humboldt from South Fork to Scotia (Holmes Flat, along Eel River); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC203958  Centunculus minimus Joseph P. Tracy 1918-7-5 5019 Humboldt Northern Coast Ranges, White Thorn Valley White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC73744  Cephalanthera austiniae M. A. Baker 1980-7-15 2932 Humboldt Near Whiting Ridge 1341 Comment
  RSA46684  Cephalanthera austiniae Doris K. Kildale 1937-7-18 15139 Humboldt Horse Mt. Comment
  HSC39961  Cerastium glomeratum Linda M. Barker 1976-4-13 1381 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  HSC47013  Cerastium glomeratum Sheila Logan 1978-4-7 2 Humboldt Samoa Sand Dunes, 1/4 mi. N of Coast Guard Station at N spit of Samoa Peninsula Comment
  HSC100708  Cerastium pilosum Carl C. Marshall Jun 1888 61 Humboldt No data. Comment
  UC62197  Ceratophyllum demersum W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  CAS-BOT-BC85655  Chamaecyparis lawsoniana Doris K. Kildale 1927-7-3 3640 Humboldt Willow Creek Flat 152 Comment
  SBBG367  Chamaecyparis lawsoniana J. W. Howe 1938-3-30 Humboldt Humboldt County [no specific locality] Comment
  HSC69761  Chamaesyce maculata Thomas W. Nelson, Jane P. Nelson 1977-9-4 3747 Humboldt Willow Creek Comment
  CAS-BOT-BC166040  Chamerion angustifolium subsp. circumvagum Peter H. Raven; R. Snow 1958-7-21 13651 Humboldt 2.9 miles south of Ferndale on road to Cape Mendocino Comment
  CAS-BOT-BC166042  Chamerion angustifolium subsp. circumvagum 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC44520  Chamerion angustifolium subsp. circumvagum Brad Klipfel 1973-7-1 127 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55206  Chamerion angustifolium subsp. circumvagum Overton 1979-8-1 12324 Humboldt Near Mill Creek, close to the town of Hoopa 1341 Comment
  UCD103644  Chamerion angustifolium subsp. circumvagum E. B. Alexander 1959-7-23 43 Humboldt California Forest and Range Experiment Station. 1 mile NW of Trinidad. Comment
  JEPS31528  Chamerion angustifolium subsp. circumvagum Lincoln Constance 1934-6-18 899 Humboldt swamp border of N. Dyerville Flat South Fork Eel River, Bull Creek Region (near S. Fork R.R. Sta. and P.O.) Comment
  UC535749  Chamerion angustifolium subsp. circumvagum Eleanor Armstrong 1934-8-15 1146 Humboldt near road Richardson Grove 121 Comment
  HSC70561  Cheilanthes gracillima M. A. Baker 1980-7-19 3028 Humboldt Near Bret Hole. 1814 Comment
  HSC4361  Chenopodium album D. E. Anderson 1961-9-13 1810 Humboldt Big Lagoon County Park Comment
  UC673036  Chenopodium pumilio Joseph P. Tracy 1931-10-12 9729 Humboldt Blue Slide Van Duzen River 91 Comment
  UC1197601  Chimaphila menziesii Joseph P. Tracy 1947-7-9 17855 Humboldt Horse Mt. 1432 Comment
  HSC54226  Chimaphila umbellata Griswold, Butler 1979-7-12 7291 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  UC412888  Chimaphila umbellata Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  HSC17950  Chimaphila umbellata Chestnut, Drew 1888-7-9 Humboldt Campbell's Comment
  RSA467024  Chimaphila umbellata subsp. occidentalis M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  CAS-BOT-BC237976  Chloropyron maritimum subsp. maritimum J. D. Ackerman 1975-8-2 615 Humboldt Humboldt Bay, across from Murray Field (Eureka Airport). Near railroad tracks and hwy. 101 Comment
  UC1196374  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1913-7-13 4357 Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  UC204118  Chrysosplenium glechomifolium Joseph P. Tracy 1918-4-28 4808 Humboldt Eureka; Northern Coast Ranges 0 Comment
  CAS-BOT-BC420347  Chrysosplenium glechomifolium John H. Thomas; W. B. Schofield 1966-3-19 11490 Humboldt Near the M. G. Goethe Grove in Prairie Creek Redwoods State Park near highway 101 between Eureka and Crescent City Comment
  HSC30333  Cicuta douglasii Dale R. Gradek 1974-5-29 89 Humboldt SE end of Big Lagoon County Park 3 Comment
  JEPS156  Cicuta douglasii W. L. Jepson 1936-8-17 17930 Humboldt near Arcata (s of Salmon Creek, Mad River); Mad River Comment
  JEPS15745  Cicuta douglasii Joseph P. Tracy 1925-7-5 7179 Humboldt near High Prairie (on Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1103565  Circaea alpina subsp. pacifica Joseph P. Tracy 1932-7-15 10585 Humboldt ridges e. Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  UC1198515  Circaea alpina subsp. pacifica Joseph P. Tracy 1935-7-23 14159 Humboldt lower end Brett Hole (Trinity Summit); Trinity Summit 1584 Comment
  HSC101544  Cirsium arvense J. P. Smith, J. O. Sawyer 2009-8-3 12645 Humboldt Roadside 103 Comment
  UC582530  Cirsium arvense Joseph P. Tracy 1933-8-13 12963 Humboldt Arcata Bottom 15 Comment
  POM289622  Cirsium arvense Lyman Benson 1929-7-12 1789 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  UC169293  Cirsium brevistylum Joseph P. Tracy 1912-7-14 3748 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UCD130610  Cirsium douglasii Gordon Leppig 1998-6-1 879 Humboldt Horse Mountain, Titlow Hill Rd. 1219 Comment
  UCD130605  Cirsium douglasii var. breweri H. E. Parks; S. T. Parks 1947-6-1 24441 Humboldt South Fork Camp, Willow Creek. Comment
  CAS-BOT-BC279977  Cirsium douglasii var. douglasii David D. Keck 1948-7-2 6002 Humboldt E. side Rocky Ridge, E. of Berry's summit, 8.6 mi. W. of Willow Ck., 1/4 mi. W. of boundary of Six Rivers Nat. Forest 76 Comment
  UC176341  Cirsium occidentale var. candidissimum Joseph P. Tracy 1912-7-26 3854 1/2 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC204832  Cirsium occidentale var. venustum Joseph P. Tracy 1918-7-3 4988 Humboldt Wilder Ridge Northern Coast Ranges, Wilder Ridge 762 Comment
  HSC74679  Cirsium vulgare Gail Newton 1981-8-6 2397 Humboldt Near Humbug Creek 1256 Comment
  HSC5384  Cirsium vulgare J. L. Baker 1965-4-13 48 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC5385  Cirsium vulgare J. W. Johnson 1961-9-10 1113 Humboldt Arcata, S of Dune 3 N, Christenson Farm, Samoa Pennisula Comment
  HSC16236  Clarkia amoena J. P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, S of point of the Cape 3 Comment
  JEPS43735  Clarkia amoena subsp. amoena W. L. Jepson 1936-8-18 17940 Humboldt Wildcat Ridge Comment
  HSC16233  Clarkia amoena subsp. huntiana P. A. Mansfield 1967-7-8 1 Humboldt 6 mi. W of Weitchpec on Hwy. 96 Comment
  CAS-BOT-BC164175  Clarkia concinna S. K. Harris; J. P. Tracy 1936-6-10 3265 Humboldt West of the South Fork of the Trinity River near its mouth 640 Comment
  UC1198510  Clarkia concinna subsp. concinna Joseph P. Tracy 1936-6-17 14944 Humboldt lower foothills of nw slope Buck Mountain 762 Comment
  RSA0060033  Clarkia gracilis subsp. sonomensis Harlan Lewis, M. Lewis 1947-6-13 423 Humboldt Highway 36 at South Fork of Van Duzen River (Bridge 4-119) Comment
  CAS-BOT-BC172504  Clarkia purpurea subsp. quadrivulnera Doris K. Kildale 1926-6-8 2128 Humboldt Bug Creek 792 Comment
  UC1196983  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1912-7-4 3730 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC172505  Clarkia purpurea subsp. quadrivulnera Doris K. Kildale 1928-6-24 5293 Humboldt Horse Mountain Road near junction of Willow Creek Road 853 Comment
  CAS-BOT-BC172393  Clarkia purpurea subsp. viminea Henry M. Pollard 1947-8-23 s.n. Humboldt Field west of Orleans Comment
  HSC54010  Clarkia rhomboidea Griswold, Butler 1979-7-10 7136 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC1198505  Clarkia rhomboidea Joseph P. Tracy 1913-6-20 4214 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCD100612  Claytonia exigua Thomas W. Nelson; James L. Nelson 1980-6-10 5435 Humboldt Along the east side of Red Mountain. 1371 Comment
  UC161030  Claytonia exigua subsp. exigua Joseph P. Tracy 1910-4-24 3128 Humboldt Ocean Beach at Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  UC161031  Claytonia exigua subsp. exigua Joseph P. Tracy 1911-4-30 3174 Humboldt Eureka; Tracy's garden Comment
  UC183596  Claytonia exigua subsp. glauca Joseph P. Tracy 1913-5-4 4049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC494167  Claytonia exigua subsp. glauca H. E. Parks and J. P. Tracy 1930-5-26 878 Humboldt Laribee Valley Comment
  SEINET200317 Image available Claytonia lanceolata Joseph P. Tracy 1932-7-15 10594 Humboldt Trinity Summit. Ridges east of Corral Prairie 1830 Comment
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Nov 24 2014
  HSC99412  Claytonia parviflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 61 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC183593  Claytonia rubra subsp. depressa Joseph P. Tracy 1913-3-23 4027 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  HSC64193  Claytonia sibirica J. O. Sawyer, M. A. Ericksen 1979-6-23 3375 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  SBBG69724  Claytonia sibirica H. and M. Dearing 1939-6-21 3689 Humboldt E fork of Willow Crk Comment
  UC1223253  Claytonia sibirica Joseph P. Tracy 1951-6-14 19414 Humboldt Snow Camp Comment
  CAS-BOT-BC443888  Claytonia sibirica Ynez Whilton Winblad 1941-6-25 s.n. Humboldt Between Garberville and Pepperwood Comment
  CAS-BOT-BC443899  Claytonia sibirica Joseph P. Tracy 1937-7-2 15388 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  CAS-BOT-BC443901  Claytonia sibirica Ira L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  HSC24332  Claytonia washingtoniana C. E. Fellows 1970-4-19 257 Humboldt 4.5 mi. S of Orick, 1/4 mi. E of Hwy. 101 on old Hwy. 101 Comment
  HSC18086  Clematis lasiantha Doris K. Kildale 1925-6-27 771 Humboldt Mouth of Yager Creek Comment
  CAS-BOT-BC92593  Clematis ligusticifolia J. Clausen 1932-9-19 697 Humboldt Dyerville, Eel River. Comment
  JEPS60567  Clematis ligusticifolia W. L. Jepson 1936-8-12 17887 Humboldt S. Fork Eel River, Philipsville Comment
  CAS-BOT-BC499338  Clintonia andrewsiana Doris K. Kildale 1928-6-10 5083 Humboldt Strongs Station, Van Duzen River Comment
  CAS-BOT-BC499341  Clintonia andrewsiana Doris K. Kildale 1926-7-22 2413 Humboldt Metropolitan, woods near Canyon Peak Comment
  CAS-BOT-BC499387  Clintonia andrewsiana Henry M. Pollard 1936-4-1 s. n. Humboldt Unspecified, Steep Ravine Comment
  HSC15446  Clintonia andrewsiana Jack Rockwell 1962-4-29 67 Humboldt S bank Van Duzen River E of Hwy. 101 Comment
  HSC72683  Clintonia uniflora J. P. Smith 1977-7-3 9265 Humboldt Onion Lake Comment
  UC1103460  Clintonia uniflora Joseph P. Tracy 1926-6-6 7582 Humboldt Hoopa Mountain, near summit on road w from Hoopa to Bair's Hoopa Mountain; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC22862  Collinsia grandiflora D. E. Anderson 1965-4-24 3534 Humboldt Along Titlow Hill Rd. Comment
  HSC102619  Collinsia parviflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1606 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC70957  Collinsia parviflora Thomas W. Nelson 1977-6-15 3432 Humboldt Along FS Rd. 6N01 about 1 mi. S of junction with FS Rd. 5N10 1372 Comment
  HSC58045  Collinsia rattanii Gilbert Muth 1979-8-1 11904 Humboldt Near Mill Creek Lakes, close to Hoopa 1692 Comment
  HSC98863  Collomia grandiflora Cara Witte 2008-8-5 985 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  UC615026  Collomia grandiflora Beryl O. Schreiber 1934-6-6 1143 Humboldt Gray's Resort Redwood Creek (brushy slope) Comment
  HSC23477  Collomia heterophylla D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5061 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  CDA40007  Collomia heterophylla T. R. Haig 1960-6-18 s.n. Humboldt Kneeland. 0 Comment
  UC1470711  Collomia heterophylla Barbara Ertter with Thomas J. Delendick 1987-5-16 6944 Humboldt on s side Hwy 299 above Willow Creek (ca 3 mi e of Berry Summit, ca 20 air mi e of Arcata, near large volcanic rock) 800 Comment
  HSC70702  Collomia tracyi Gail Newton 1980-7-15 1550 Humboldt Near Sims Mtn. 1311 Comment
  JEPS26235  Collomia tracyi Joseph P. Tracy 1939-8-5 16372 Humboldt Dinsmore's Van Duzen River (in sand bar) 737 Comment
  UC179929  Conium maculatum Joseph P. Tracy 1914-6-7 4496 Humboldt Region about Humboldt Bay (South Fork Elk River, at Falk's Mill); Northern Coast Region 0 Comment
  RSA246751  Conium maculatum R. F. Thorne, P. Everett 1965-8-8 35237 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  HSC37959  Convolvulus arvensis Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  JEPS64347  Corallorhiza maculata W. L. Jepson 1902-6-28 1947 Humboldt Hupa Rd Green Point Ranch (ridge) 914 Comment
  HSC99481  Corallorhiza maculata var. flavida K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 140 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp. 1433 Comment
  UC1196454  Corallorhiza mertensiana Joseph P. Tracy 1947-7-5 17826 Humboldt near Box Camp; Trinity Summit 1524 Comment
  JEPS64320  Corallorhiza mertensiana W. L. Jepson 1902-6-28 1948 Humboldt Berry's Ranch Redwood Creek (Hupa road) Comment
  UC1191855  Cordylanthus maritimus subsp. palustris Malcolm A. Nobs and S. Galen Smith 1949-8-3 1200 Humboldt ca 2 mi n Eureka (marshes bordering bay); Humboldt Bay Comment
  CAS-BOT-BC101151  Corethrogyne filaginifolia A. A. Heller 1924-7-23 13874 Humboldt along the highway at the mouth of Little River near Trinidad Comment
  JEPS15874  Corethrogyne filaginifolia Joseph P. Tracy 1928-5-20 8442 Humboldt Petrolia; Mattole Valley 60 Comment
  CAS-BOT-BC209753  Cornus glabrata L. R. Abrams 1922-6-25 8219 Humboldt Camp 6 mi north of Garberville Comment
  CAS-BOT-BC212008  Cornus nuttallii C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  RSA85517  Cornus nuttallii G. R. Campbell 1954-3-24 19022 Humboldt 17.4 mi. east of jct. of hwys 101 and 299 above Blue Lake. Comment
  UC1197932  Corylus californica Joseph P. Tracy 1923-8-19 6538 Humboldt Lawrence Creek near Kneeland Prairie Comment
  UC1222290  Corylus californica Joseph P. Tracy 1950-7-31 19226 Humboldt about 1 mi N of Friday's Camp (where road crosses side of Friday Ridge) Comment
  UC667998  Corylus californica Joseph P. Tracy 1935-7-31 14393 Humboldt Devil's Backbone (Barren rocky ridge connecting Trinity Summit with Salmon Summit 1524 Comment
  HSC37853  Cotula coronopifolia Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  UC492243  Crassula connata var. subsimplex Joseph P. Tracy 1931-3-26 9293 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R., Alton 30 Comment
  UCD112977  Crataegus douglasii Louis C. Wheeler 1950-8-14 6780 Humboldt 5 mi. east of Shelter Core. Comment
  POM301287  Crataegus suksdorfii Joseph P. Tracy 1948-9-12 18205 Humboldt Box Camp Meadow, Trinity summit. 1463 Comment
  HSC5439  Crepis acuminata J. P. Tracy 1926-6-20 7621 Humboldt Horse Mt. Comment
  CAS-BOT-BC291493  Crepis capillaris Alice Eastwood 1921-7-21 10657 Humboldt Carlotta Comment
  HSC62776  Crocus speciosus M. Dean Griswold Jr. 1979-4-28 34 Humboldt W side of old Hwy. 101 Comment
  HSC8629  Croton setiger D. E. Anderson 1961-9-30 1839 Humboldt Along Hwy. 299 Comment
  HSC99568  Cryptantha affinis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 233 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC525607  Cryptantha affinis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8941 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC199009  Cryptantha leiocarpa Joseph P. Tracy 1906-5-13 2457 Humboldt Humboldt Bay Comment
  HSC3587  Cryptantha torreyana H. E. Parks, J. P. Tracy 1934-6-27 11058 Humboldt Grouse Mtn. Comment
  UC525596  Cryptantha torreyana Joseph P. Tracy 1929-7-4 8622 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  HSC58088  Cuscuta californica G. L. Clifton, Griswold 1979-8-1 11997 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC906744  Cuscuta californica Joseph P. Tracy 1947-7-5 17776 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  SEINET905773  Cuscuta campestris Harry B. Tucker 1946-1 s.n. Humboldt Bayside, field, local in small area 6 Comment
  HSC57970  Cuscuta occidentalis G. L. Clifton, Griswold 1979-7-31 11699 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC49805  Cuscuta pacifica var. pacifica R. York 1979-5-18 301 Humboldt Around Humboldt Bay Comment
  UC203976  Cuscuta suaveolens Joseph P. Tracy 1918-9-29 5113 Humboldt 8 mi above mouth of the South Fork of Eel River (Myers Ranch); Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC562297  Cycladenia humilis var. humilis Joseph P. Tracy 1935-7-29 14349 Humboldt Devil's Backbone - ridge connecting Trinity Summit with Salmon Summit; Devil's Backbone 1676 Comment
  UC1239627  Cynoglossum grande Joseph P. Tracy 1927-7-4 8241 Humboldt S. Yager Creek Valley Northern Coast Ranges, S. Yager Creek Valley 762 Comment
  HSC100403  Cynoglossum grande Carl C. Marshall May 1886 160 Humboldt Vicinity of Humboldt Bay. Comment
  HSC49104  Cynosurus echinatus Thomas W. Nelson, Jane P. Nelson 1978-7-3 4413 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC53799  Cynosurus echinatus Griswold, Butler 1979-7-10 6219 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC68940  Cynosurus echinatus Jacqueline Greenleaf 1980-8-12 326 Humboldt Near Pistol Spring. 1082 Comment
  HSC9520  Cynosurus echinatus True Hoyle 1967-7-24 29067 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass Comment
  UCD60184  Cynosurus echinatus J. Street 1950-5-28 s. n. Humboldt Alder Point. Comment
  HSC96372  Cyperus parishii Gordon Leppig 2004-9-6 2197 Humboldt E bank of Trinity River, across river from the Loncar Summer Estate, 3.5 km N of Willow Creek 120 Comment
  JEPS79882  Cypripedium californicum Joseph P. Tracy 1926-6-27 7669 Humboldt Horse Mountain Northern Coast Ranges 1463 Comment
  HSC1045  Cystopteris fragilis D. E. Anderson 1965-5-15 3713 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  UC275410  Cystopteris fragilis Joseph P. Tracy 1925-11-25 7325 Humboldt near S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  CSUSB1618  Cytisus monspessulanus Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  CSUSB1619  Cytisus monspessulanus Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  CDA36734  Cytisus scoparius Richard R. Halse 2010-3-25 7856 Humboldt Along U.S. Hwy 101 ca. 9.7 miles south of Orick. Comment
  UC1103248  Dactylis glomerata Joseph P. Tracy 1919-8-28 5186 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  BLMAR28  Danthonia californica Brad Barr June, 1982 28 Humboldt King range, near shearing shed at couskie E. facing slope Comment
  UC718006  Danthonia californica David D. Keck 1944-7-11 5493 Humboldt 3 mi ne Capetown 152 Comment
  UC552803  Danthonia intermedia Joseph P. Tracy 1935-7-25 14231 Humboldt McKay Prairie Trinity Summit 1584 Comment
  SEINET201006 Image available Danthonia pilosa Joseph P. Tracy 1941-8-17 16994 Humboldt Hungry Hollow on Bald Mt. 762 Comment
  CAS-BOT-BC420365  Darmera peltata Duart V. Brown 1947-3-24 5 Humboldt 3 miles N of Willow Creek on W bank of Trinity River Comment
  HSC20251  Darmera peltata C. F. Hudson 1964-5-7 6436 Humboldt 2 mi. up river from the mouth of Mad River, S bank 1 Comment
  CDA30706  Daucus carota M. K. Beyers, I. Shepardson 2009-9-13 251 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  HSC49087  Daucus carota Patricia Shesgreen 1978-8-8 133 Humboldt 7th & A St., Arcata Comment
  HSC24780  Delairea odorata Barbara Kelly 1971-11-15 230 Humboldt North Bank Rd. next to Hwy. 101, McKinleyville Comment
  UCD95699  Delphinium decorum K. Esau 1934-5-7 s.n. Humboldt Near Blocksburg 609 Comment
  CAS-BOT-BC9028  Delphinium decorum subsp. tracyi Doris Kildale Gillespie 1931-6-7 10641 Humboldt South Fork Mtn., Blake Lookout 1726 Comment
  HSC102608  Delphinium decorum subsp. tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1595 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC183075  Delphinium decorum subsp. tracyi Joseph P. Tracy 1913-6-17 4148 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (nw slope of mt.) 1066 Comment
  JEPS60593  Delphinium hesperium subsp. hesperium Lincoln Constance 1934-5-29 713 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River 365 Comment
  HSC32935  Delphinium nuttallianum Thomas W. Nelson 1973-5-30 972 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  UC1196337  Delphinium trolliifolium Joseph P. Tracy 1939-5-28 16310 Humboldt near Centerville 60 Comment
  UC160932  Delphinium trolliifolium Joseph P. Tracy 1906-4-8 2400 Humboldt s side of bluff near Singley's Ferry; Northern Coast Ranges, Table Bluff 91 Comment
  SEINET4566835  Deschampsia cespitosa J. Davy, W. Blasdale 1899-1 6213 Humboldt Eureka Comment
  UC526669  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1927-7-16 8257 Humboldt mouth of Elk R.; Northern Coast Region, around Humboldt Bay, Elk R. 6 Comment
Read comments
Sep 27 2007
  HSC96496  Deschampsia cespitosa subsp. cespitosa Gordon Leppig 1998-7-19 983 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  HSC93740  Deschampsia cespitosa subsp. holciformis Gordon Leppig 1998-7-19 983 Humboldt Big Lagoon County Park, Big Lagoon Bog 2 Comment
  HSC98108  Deschampsia danthonioides Cara Witte 2007-6-20 305 Humboldt National Forest 1. 1/4 mile north of intersection with 5N09. 1434 Comment
  UC526857  Deschampsia danthonioides Joseph P. Tracy 1932-7-14 10538 Humboldt Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UCD61388  Deschampsia danthonioides Joseph P. Tracy 1950-6-25 18901 Humboldt On west side of Buck Mt., 3 miles S of Burn Valley. 1219 Comment
  CAS-BOT-BC201769  Deschampsia elongata H. E. Parks 1931-5-1 3646 a Humboldt Big Lagoon Comment
  HSC103072  Deschampsia elongata Sydney Carothers 2014-6-12 13 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  POM365046  Deschampsia elongata Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek- near Orleans. Comment
  UC34060  Deschampsia elongata J. P. Tracy 1901-6-10 1130 Humboldt immediate vicinity of Eureka 0 Comment
  UC526672  Deschampsia elongata Joseph P. Tracy 1932-7-17 10680 Humboldt ridges e. of Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  UCD63594  Deschampsia elongata A. H. Shunk 1923-7-21 Humboldt Bridgeville. Comment
  SEINET12805277  Dicentra formosa John D. Freeman, Ruth F. Freeman 1967-1 586 Humboldt Just w of Cal Hwy 36 and just N of Carlotta 43 Comment
  RSA433571  Dicentra formosa subsp. formosa Maude Minthorn s.n. Humboldt Ferndale. Comment
  CAS-BOT-BC208955  Dichanthelium oligosanthes subsp. scribnerianum Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region. Comment
  SEINET200953 Image available Dichanthelium oligosanthes subsp. scribnerianum Joseph P. Tracy 1931-5-17 9428 Humboldt Rocky places along river. Trinity River Valley at Willow Creek Comment
  HSC48790  Dichelostemma capitatum subsp. capitatum Brad Klipfel 1975-6-17 664 Humboldt Along Titlow Hill Rd. Comment
  HSC97477  Dichelostemma capitatum subsp. capitatum Cara Witte 2007-5-21 65 Humboldt White Oak Opening. 1257 Comment
  HSC3031  Dichelostemma ida-maia D. E. Anderson 1965-5-15 3710 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek, above Trinity River Comment
  UC1198180  Dichelostemma ida-maia Joseph P. Tracy 1948-9-5 18187 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC1222690  Dichelostemma ida-maia Joseph P. Tracy with A. H. Murphy 1951-6-26 19568 Humboldt vicinity Twin Lakes and Snow Camp; Twin Lakes Comment
  CAS-BOT-BC501013  Dichelostemma ida-maia Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  RSA167431  Dichelostemma ida-maia Joseph P. Tracy, A. H. Murphy, Davis Agriculture College 1951-6-26 19568 Humboldt Vicinity of Twin Lakes and Snow Camp. Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  UC1198185  Dichelostemma ida-maia Joseph P. Tracy 1934-7-22 13489 Humboldt road from Iaqua to Bridgeville (at crossing of North Yager Creek); North Yager Creek 396 Comment
  CAS-BOT-BC150340  Diplacus aurantiacus Doris K. Kildale 1925-6-21 726 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  CAS-BOT-BC150342  Diplacus aurantiacus C. L. Hitchcock; J. S. Martin 1939-7-14 5439 Humboldt At Shelter Cove Comment
  CHSC68508  Disporum smithii Vernon H. Oswald 1997-4-10 8325 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  UCR26493  Disporum smithii A. C. Sanders 1981-8-6 2304 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  HSC9631  Distichlis spicata J. D. Wilder 1965-5-19 46 Humboldt Along Humboldt Bay, N end. Comment
  UC179933  Downingia cuspidata Joseph P. Tracy 1914-5-14 4468 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC1199494  Downingia elegans Joseph P. Tracy 1933-4-30 13053 Humboldt Grouse Mountain Northern Coast Ranges 1524 Comment
  UCD55079  Downingia willamettensis Rachel Foster 1970-1 F70- 96 -11 Humboldt Hydesville. Adjacent to Hydesville School. Comment
  UC552293  Draba verna Joseph P. Tracy 1935-4-5 13772 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  RSA0011676  Drosera rotundifolia C. B. Wolf 1937-8-10 2901 Humboldt Big Lagoon, bog at state park. 6 Comment
  RSA0011677  Drosera rotundifolia C. B. Wolf 1927-8-22 778 Humboldt Big Lagoon. Comment
  UC203639  Drosera rotundifolia Joseph P. Tracy 1918-7-21 5084 Humboldt Humboldt Hill Northern Coast Ranges, Region about Humboldt Bay (small bog on n slope) 91 Comment
  POM366609  Drymocallis glandulosa var. wrangelliana M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles N of Garberville Comment
  RSA273338  Drymocallis glandulosa var. wrangelliana Thomas W. Nelson 1976-5-30 2636 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC492178  Drymocallis lactea var. austiniae Joseph P. Tracy Jul 16 1930-Jul 19 1930 8976 Humboldt South Fork Mountain Northern Coast Ranges (wet meadow at McKay Camp) 1676 Comment
  CAS-BOT-BC158415  Drymocallis rhomboidea Doris Kildale Gillespie 1931-6-7 10609 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  CAS-BOT-BC70872  Dryopteris arguta Doris K. Kildale 1928-12-30 6884 Humboldt Phillipsville Comment
  JEPS35195  Dryopteris arguta Lincoln Constance 1934-6-4 825 Humboldt S. Fork Eel River Comment
  SEINET6424490 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  HSC1189  Dryopteris expansa J. C. Reppas 1963-3-9 11 Humboldt 1 mi. N of Fickle Hill Rd. Comment
  CAS-BOT-BC428297  Dudleya farinosa Doris K. Kildale 1927-6-25 3544 Humboldt Shelter Cove. Comment
  JEPS109584  Dulichium arundinaceum Dean W. Taylor 2002-9-12 18344 Humboldt Lake Prairie, remnant of the original bog vegetation on the eastern end of the lake 1097 Comment
  HSC12028  Dysphania ambrosioides D. Santana 1970-10-18 77 Humboldt McKinleyville, Murray Rd. Comment
  HSC4390  Dysphania pumilio D. E. Anderson 1962-7-19 2277 Humboldt Lanphere's Ranch Comment
  UC526835  Echinochloa muricata var. microstachya Joseph P. Tracy 1930-10-12 9209 Humboldt Eel River on gravel bars Alton to Fortuna; Northern Coast Region, Eel River 15 Comment
  UCD49713  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Carpeting dried-up bed of pond. Dow's Prairie. 60 Comment
  HSC98018  Eleocharis engelmannii Cara Witte 2007-7-17 534 Humboldt Intersection of 6N01B and National Forest 1. 1427 Comment
  UC668024  Eleocharis macrostachya Joseph P. Tracy 1934-7-20 13463 Humboldt Big Lagoon 3 Comment
  HSC7324  Eleocharis pachycarpa J. P. Tracy, H. E. Parks 1931-6-7 9569 Humboldt Trinidad 61 Comment
  UC666879  Eleocharis pachycarpa Joseph P. Tracy 1935-6-8 13947 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon) 3 Comment
  CDA38999  Eleocharis pachycarpa Gordon Leppig 1997-6-19 449 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  HSC9678  Elymus caput-medusae R. I. Bonn 1965-10-1 Humboldt 6 mi. N of Bridgeville on Kneeland-Bridgeville Rd. 732 Comment
  UCD61426  Elymus elymoides A. H. Murphy 1951-6-25 75 Humboldt About 1 mile west of Snow Camp Mtn. ca. 8 miles ene of Kneeland. Comment
  HSC58661  Elymus elymoides var. elymoides G. L. Clifton, Griswold 1979-7-1 11948 Humboldt Near Horse Trail Ridge, close to the town of Hoopa. 516 Comment
  HSC71508  Elymus glaucus M. A. Baker 1980-6-26 2466 Humboldt Near Sims Creek 610 Comment
  HSC76540  Elymus glaucus Denis Kearns 1981-7-24 444 Humboldt Near Whiteys Peak. 1768 Comment
  RSA129272  Elymus glaucus H. S. Yates 1936-6-17 5695 Humboldt Lower N.W. slope of Buck Mt.; South Fk. Pk. 793 Comment
  SEINET11683186  Elymus glaucus K. S. Erdman 1970-1 4849 Humboldt Redwood National Park, Redwood Creek, about 2-3 mi above the road end, near McArthur & Elam Creeks Comment
  CAS-BOT-BC203476  Elymus glaucus subsp. glaucus Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge 1066 Comment
  SEINET249776  Elymus glaucus subsp. glaucus J. P. Tracy 1936-6-9 14889 Humboldt Bear River Lodge Comment
  RSA10018  Elymus repens Joseph P. Tracy 1925-9-13 7267 Humboldt Mouth of Eel River 6 Comment
  UCD62561  Elymus repens R. Tofsrud 1949-7-1 Humboldt Ferndale. Comment
  UCD117423  Empetrum nigrum subsp. hermaphroditum James Payne Smith Jr. 1975-3-31 8048 Humboldt Megwill Point on Elk Head, just north of College Cove. Comment
  HSC16340  Epilobium brachycarpum D. E. Anderson 1961-9-23 1833 Humboldt 2.3 mi. S of Kneeland corner Comment
  HSC43234  Epilobium brachycarpum R. Sutherland 1976-8-6 4 .6876 Humboldt 229 Comment
  JEPS39208  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4854 Humboldt lower w slopes of mt. Northern Coast Ranges, Grouse Mt., Janes Ranch 914 Comment
  UC144087  Epilobium brachycarpum Joseph P. Tracy 1900-9-9 946 Humboldt gravel bar on creek Northern Coast Region, Yager Creek (near Hydesville) 60 Comment
  CAS-BOT-BC166891  Epilobium canum subsp. latifolium Lester Rowntree 1937-8-15 s.n. Humboldt Maple Creek east of Eureka Comment
  HSC32948  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, James Nelson 1973-5-28 958 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC54011  Epilobium ciliatum subsp. ciliatum Griswold, Butler 1979-7-12 7141 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC198619  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt 4 mi above mouth; Northern Coast Ranges, South Fork of Eel River 60 Comment
  JEPS39219  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1936-8-15 17899 Humboldt 2 mi e Carlotta Comment
  JEPS39330  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt 4 mi above river mouth (i.e., near Weott); Northern Coast Ranges, South Fork of Eel River 60 Comment
  RSA32579  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1927-7-11 3720 Humboldt Blue Slide on Van Duzen River Comment
  UC562504  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1933-8-6 12941 Humboldt along stream French Camp Ridge 1066 Comment
  HSC103266  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-11 Humboldt Six Rivers National Forest, Trinity Mountain Quad, Lower Trinity District, Crogan Hole. 1616 Comment
  HSC90695  Epilobium ciliatum subsp. watsonii Gail Newton 1983-6-5 3556 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1198500  Epilobium densiflorum Joseph P. Tracy 1909-8-1 3059 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC103434  Epilobium densiflorum Thomas W. Nelson, Dick Brummitt, Barbara Ertter 2004-6-7 9279 Humboldt Along Kneeland Rd., 2 mi. from junction with Maple Creek Rd. 671 Comment
  JEPS38204  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Jones Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  UC198605  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes of mt.) 914 Comment
  HSC97478  Epilobium minutum C. Witte 2007-5-23 87 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  CHSC12022  Epilobium septentrionale R. N. Bowman 1971-9-12 50 Humboldt Located ca. 1.7 mi se of Myers Flat off of Hwy 101. Ca. 4 ft. above s fork Eel River on e bank. 1066 Comment
  HSC12757  Epilobium septentrionale M. J. Athey 1970-10-31 9 Humboldt Where Maple Creek drains into the Mad River, Maple Creek Comment
  JEPS44027  Epilobium septentrionale W. L. Jepson 1924-9-19 10652 Humboldt river bed at Richardson Grove (S. Fork Eel R.); , Richardson Grove Comment
  UC160414  Epipactis gigantea Chesnut and Drew 1888-8-2 Humboldt Grouse Creek Comment
  UC1239788  Equisetum hyemale subsp. affine Joseph P. Tracy 1936-6-3 14844 Humboldt at Willow Creek Trinity River Valley 152 Comment
  UC1239789  Equisetum hyemale subsp. affine Joseph P. Tracy 1926-9-6 7795 Humboldt near S. Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  POM182455  Equisetum laevigatum Joseph P. Tracy 1913-6-16 4142 Humboldt Dinsmore s Ranch, in valley of Van Duzen River. Opposite Buck Mtn. 762 Comment
  HSC70639  Equisetum telmateia subsp. braunii R. York 1980-5-18 594 Humboldt Near Black Mtn 792 Comment
  HSC886  Equisetum telmateia subsp. braunii Francis Winter 1960-4-19 Humboldt Samoa Pennisula 6 mi. W of Arcata. Comment
  SEINET200658 Image available Eragrostis hypnoides Joseph P. Tracy 1931-9-7 9663 Humboldt Damp sand bar along river Trinity River Valley at Willow Creek 152 Comment
  CHSC68552  Erechtites glomeratus Vernon H. Oswald 1997-4-29 8350 Humboldt Humboldt Bay NWR, levee north of Long Pond along the arm of South Humboldt Bay separating Teal Island from the main part of the refuge. Comment
  HSC5494  Erechtites minimus H. E. Parks Sep 1931 1058 Humboldt Trinidad 76 Comment
  UC1792474  Erigeron Thomas W. Nelson, Sydney Carothers 2004-6-18 9249 Humboldt Along Swayback Ridge Road which branches of Forest Service Rooad 1N08 ca 1/4 mil past gate. 1356 Comment
  CAS-BOT-BC296114  Erigeron foliosus var. confinis Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans 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
  UC581724  Erigeron foliosus var. mendocinus Joseph P. Tracy 1930-7-4 8829 Humboldt Bull Creek to Mattole Road (near the summit of ridge) 762 Comment
  HSC67444  Erigeron glaucus J. P. Smith 1971-10-6 4955 Humboldt At the end of Murray Rd., McKinleyville Comment
  POM289039  Erigeron glaucus Lyman Benson 1929-7-19 1850 Humboldt Mouth of Matole River. Comment
  CAS-BOT-BC308846  Erigeron glaucus A. A. Heller 1937-6-12 15915 Humboldt Trinidad on the coast near the Whaling Station, foot of the grade leading up to the lighthouse on Trinidad Head Comment
  HSC89599  Erigeron glaucus M. Roantree 1985-4-28 18 Humboldt W side of Trinidad Head on an outcropping W of the trail Comment
  HSC102241  Erigeron inornatus var. inornatus Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  POM288818  Erigeron philadelphicus Lyman Benson 1928-7-10 382 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  POM54263  Erigeron philadelphicus H. P. Chandler 1901-06 1402 A Humboldt Klamath River. Comment
  UC202679  Erigeron philadelphicus var. philadelphicus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  UC34159  Erigeron philadelphicus var. philadelphicus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  UC1223011  Erigeron robustior Joseph P. Tracy 1942-7-4 17371 Humboldt 2 mi w McClellan House (at Camp Desparation near the old Sweany place); McClellan Mountain 609 Comment
  UC906676  Eriodictyon californicum Joseph P. Tracy 1947-7-5 17795 Humboldt near Mud Springs Trinity Summit (Trinity Summit); , near Mud Springs 1371 Comment
  CAS-BOT-BC248810  Eriogonum compositum var. compositum L. B. Kildale 1930-8-3 10343 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  CAS-BOT-BC259155  Eriogonum latifolium A. A. Heller 1924-7-22 13873 Humboldt At Samoa opposite Eureka Comment
  CDA22610  Eriogonum latifolium T. C. Fuller 1961-9-28 7050 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  CDA22611  Eriogonum latifolium T. C. Fuller 1961-9-28 7050 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  JEPS95110  Eriogonum latifolium Vernon Oswald and Lowell Ahart 1997-9-4 8853 Humboldt 1.1 mi s of Highway 255 (North Spit of Humboldt Bay, w side of New Navy Base Road); North Spit of Humboldt Bay, New Navy Base Road 6 Comment
  SEINET10479505  Eriogonum latifolium Mary Susan Taylor 1982-10-24 Taylor 5180 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  CAS-BOT-BC259539  Eriogonum luteolum var. luteolum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC259543  Eriogonum luteolum var. luteolum Henry M. Pollard 1943-1-1 s.n. Humboldt Orleans Comment
  UC14097  Eriogonum luteolum var. luteolum Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  UC672891  Eriogonum luteolum var. luteolum Joseph P. Tracy 1938-8-14 16120 Humboldt mountain slopes w mouth of South Fork Trinity River; South Fork Trinity River 304 Comment
  RSA66020  Eriogonum nudum var. auriculatum F. W. Peirson 1923-7-10 4206 Humboldt Garberville. Comment
  HSC60052  Eriogonum nudum var. nudum M. A. Baker 1978-5-6 487 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  CAS-BOT-BC261724  Eriogonum nudum var. oblongifolium Doris K. Kildale 1926-5-9 1991 Humboldt Kneeland Prairie, Rock Pile 853 Comment
  CDA22632  Eriogonum nudum var. oblongifolium T. R. Haig 1960-6-19 Humboldt Kneeland School. 0 Comment
  SEINET11938136  Eriogonum nudum var. oblongifolium H. P. Chandler 1901-1 1442 Humboldt Klamath River 305 Comment
  HSC40826  Eriogonum strictum var. greenei Thomas W. Nelson, James Nelson 1976-7-26 3041 Humboldt Middle pk. of Mt. Lassic group 1738 Comment
  HSC99125  Eriogonum umbellatum var. goodmanii Cara Witte 2007-7-9 458 Humboldt Forest Service Road 4N32. 1.4 mile north of intersection with 4N32B. 1413 Comment
  UC146157  Eriogonum umbellatum var. goodmanii Joseph P. Tracy 1908-6 2918 Humboldt nw slope of Buck Mountain Northern Coast Ranges, Buck Mountain 1219 Comment
  HSC95795  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along FS Rd. 1 at S end of Whiting Ridge, 0.5 mi. WNW of High Salt Ground, 9.3 mi. W of Hyampom 1296 Comment
  HSC56960  Eriophorum crinigerum Overton, Butler 1979-7-23 9474 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  CAS-BOT-BC301017  Eriophyllum lanatum var. achilleoides Mrs. G. Earle Kelly 1924-6-1 s.n. Humboldt Kneeland Prairie Comment
  HSC56464  Eriophyllum lanatum var. achilleoides Griswold, Butler 1979-7-12 7262 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC79441  Eriophyllum lanatum var. arachnoideum Kenneth Clark 1980-6-14 671 Humboldt Western slope of Dead Man's Gulch 145 Comment
  POM288401  Eriophyllum lanatum var. grandiflorum Lyman Benson 1929-7-19 1862 Humboldt Dyerville to Matole River. Comment
  HSC32224  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1970-6-24 2214 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  POM288346  Eriophyllum staechadifolium Lyman Benson 1929-7-19 1857 Humboldt Mouth of Matole River. Comment
  HSC60055  Erysimum capitatum var. capitatum M. A. Baker 1978-5-6 493 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC6789  Erysimum menziesii J. W. Johnson 1962-4-1 1414 Humboldt Samoa Peninsula, in a hollow behind the foredunes, near Dune 5, Christenson Farm. Comment
  JEPS53584  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt sand dunes of ocean beach Northern Coast Region, Humboldt Bay Comment
  HSC83469  Erythronium californicum R. N. Raynor 1935-4-8 Humboldt Fort Seward Comment
  UC1197648  Erythronium californicum Joseph P. Tracy 1927-6-12 8127 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC1197649  Erythronium californicum Joseph P. Tracy 1933-7-11 12709 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC504305  Erythronium californicum Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  JEPS501  Erythronium grandiflorum Joseph P. Tracy 1930-7-18 9037 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC79053  Erythronium grandiflorum subsp. grandiflorum D. K. Imper 1984-5-16 Humboldt 0.25 mi. E of 6N01 where it junctions with 6N08 1524 Comment
  RSA261455  Erythronium oregonum Suzanne May 1967-4-15 24 Humboldt Kneeland Road, 7 miles north of Bridgeville 213 Comment
  UCSB28100  Erythronium oregonum Phelps, M. 1972-3-19 Humboldt 7.5 mi. along Salmon Creek Rd. from Hwy. 101, 100 yds. from road, Miranda 304 Comment
  CAS-BOT-BC133332  Erythronium revolutum Harley P. Chandler 1901-6-1 1279 Humboldt Hupa Indian Reservation 1066 Comment
  JEPS61873  Erythronium revolutum Joseph P. Tracy 1918-5-4 Humboldt Eureka Comment
  HSC98456  Eschscholzia californica D. E. Anderson 1961-9-2 1769 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  UC1196289  Eschscholzia californica Joseph P. Tracy 1933-8-6 12934 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  CAS-BOT-BC403038  Eschscholzia californica R. James; M. Goering; S. Matthews 1985-4-20 045 Humboldt Burnt Ranch Campground, Shasta-Trinity National Forest Comment
  HSC59103  Eucalyptus globulus Clark L. Miller 1979-5-24 9157 Humboldt Along Hwy. 101 ca. 100 yards from Murray Rd. off-ramp. Comment
  HSC103827  Euchiton gymnocephalus Spadoni 1999-7-1 Humboldt Eureka, residential garden weed Comment
  HSC5687  Euchiton sphaericus J. P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  UC449999  Euchiton sphaericus Joseph P. Tracy 1918-9-1 5097 Humboldt on old Kneeland Prairie road Newells Camp (around Humboldt Bay); Northern Coast Ranges, Humboldt Bay 457 Comment
  CAS-BOT-BC310496  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  UC673083  Euchiton sphaericus Joseph P. Tracy 1940-8-11 16694 Humboldt near Raccoon Creek; Trinity River Valley 152 Comment
  UC165820  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1911-9-3 3539 Humboldt 1 mi. s.e. Eureka; Northern Coast Region 0 Comment
  UCR208901  Euphorbia crenulata M. S. Jussel 1931-5-2 s.n. Humboldt Northwestern Coast; Outer North Coast Ranges, 6 miles from Garberville Comment
  UC1198971  Euphorbia crenulata Joseph P. Tracy 1919-5-31 5156 Humboldt near Willow Creek (slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 182 Comment
  UC709444  Euphorbia lathyris Joseph P. Tracy 1941-10-26 17052 Humboldt Hydesville 91 Comment
  UC1198976  Euphorbia peplus Joseph P. Tracy 1936-4-5 16186 Humboldt Eureka 30 Comment
  HSC36485  Eurybia radulina Thomas W. Nelson, James Nelson 1975-9-3 2195 Humboldt Above junction of Maple Creek-Kneeland Rd. Comment
  CAS-BOT-BC458291  Euthamia occidentalis Carl D. Duncan 1920-9-22 s.n. Humboldt Bank of Trinity River, Hoopa Valley Comment
  POM248197  Euthamia occidentalis S. K. Harris, Charlotte Wilder 1938-9-7 879 Humboldt Bars of the Van Duzen River, above Blue Slide Comment
  HSC96234  Festuca californica Sara March , Gillian Levy 2005-6-3 6 Humboldt 19.3 mi S of Hwy 299 on NF1 1240 Comment
  HSC9852  Festuca californica D. C. Juve 1964-5-16 36 Humboldt Campbell Cr. Ranger Station. Hwy. 96. Hillside above Trinity River Comment
  UC552766  Festuca elmeri H. E. Parks and Joseph P. Tracy 1934-6-27 11045 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  CAS-BOT-BC278424  Festuca idahoensis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC102208  Festuca idahoensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1123 Humboldt Andy's Camp 1564 Comment
  HSC26160  Festuca idahoensis J. P. Smith, Steve Selva 1970-6-30 4111 Humboldt Comment
  HSC31216  Festuca idahoensis D. E. Anderson 1972-6-20 5732 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC40969  Festuca occidentalis Linda M. Barker 1976-6-14 1598 Humboldt 3 mi. W of Arcata Comment
  UC187114  Festuca occidentalis Joseph P. Tracy 1908-6 2705 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC70910  Festuca occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5472 Humboldt near Elk Prairie Comment
  HSC9947  Festuca occidentalis D. W. C 1956-4-30 Humboldt Matole River Area Comment
  CAS-BOT-BC278963  Festuca rubra David D. Keck 1948-7-1 5970 Humboldt South side of Big Lagoon Comment
  CAS-BOT-BC278971  Festuca rubra Malcom A. Nobs; S. Galen Smith 1949-8-3 1171 Humboldt Around Fields Landing Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC65107  Festuca rubra J. P. Smith 1970-6-7 3800 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC9989  Festuca rubra R. H. Berg 1963-4-30 57 Humboldt 1 mi. N of Arcata, on Hwy. 101 Comment
  UC1100358  Festuca rubra Malcolm A. Nobs and S. Galen Smith 1949-8-3 1171 Humboldt Fields Landing Comment
  UCD66392  Festuca rubra Joseph P. Tracy 1938-7-4 15986 Humboldt Valley of South Yager Creek. 762 Comment
  CAS-BOT-BC282522  Festuca subbiflora Harley P. Chandler 1901-5-1 1184 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC278620  Festuca subulata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  SEINET10559491  Festuca subulata Joseph P. Tracy 1935-7-27 Tracy 14295 Humboldt Moist stream bank. Trinity summit. Open places at McKay Prairie. 1585 Comment
  UC1152012  Festuca subuliflora A. H. Murphy 1951-5-15 31 Humboldt 0.5 mi s McCann (on Fruitland Road) Comment
  UC154220  Fragaria chiloensis J. P. Tracy 1906-4-29 2423 Humboldt Eureka, immediate vicinity of Comment
  CAS-BOT-BC453522  Fragaria chiloensis Doris K. Kildale 1927-3-24 3947 Humboldt Flumer Creek Comment
  CAS-BOT-BC59963  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  CAS-BOT-BC59998  Frangula purshiana C. B. Wolf 1937-8-13 9260 Humboldt N. coast range, 11 mi. e. of Hoopa Valley on New Road towards Trinity summit. 1524 Comment
  UC15016  Fritillaria affinis Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC1539972  Fritillaria affinis Joseph P. Tracy 1910-4-24 3122 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC422450  Fumaria officinalis Joseph P. Tracy 1949-4-1 18277 Humboldt Eureka 30 Comment
  HSC100647  Galium Carl C. Marshall 76 Humboldt No data. Comment
  HSC89756  Galium aparine M. Roantree 1985-5-30 74 Humboldt E side of Trinidad Head along dirt road Comment
  HSC96241  Galium aparine Kaylea Eickhoff, Cara M. Witte 2005-6-3 3 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1240 Comment
  HSC95390  Galium aparine Andrea Pickart 2002-7-21 188 Humboldt Along entrance to Lanphere Dunes at end of Lanphere Rd. Comment
  UC602509  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  HSC98665  Galium bolanderi Cara Witte 2007-8-9 631 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .2 miles from intersection with Forest Service Road 4N32B. 1413 Comment
  JEPS6683  Galium muricatum Lincoln Constance 1934-5-23 602 Humboldt se slope of mt. above Look Prairie; South Fork Eek River, Bull Creek Region 365 Comment
  UC176991  Galium muricatum Joseph P. Tracy 1913-6-21 4248 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  JEPS6496  Galium parisiense W. L. Jepson 1902-6 1981 Humboldt Hupa Comment
  UC176990  Galium parisiense Joseph P. Tracy 1913-4-27 4042 Humboldt Eureka Comment
  RSA53645  Galium parisiense Roxana S. Ferris 1955-7-11 12972 Humboldt Summit of U.S. Hwy 299 btwn. Willow Creek and Blue Lake. Comment
  UC602544  Galium trifidum Joseph P. Tracy 1934-7-2 13287 Humboldt mouth Little River 6 Comment
  HSC38387  Galium trifidum Peter Sorensen 1976-6-14 Humboldt N Spit of Humboldt Bay, S of Samoa near Humboldt County Airport Comment
  UC562413  Gamochaeta coarctata Joseph P. Tracy 1936-8-1 15057 Humboldt 6 mi s Blue Lake (hillside pasture in logged area); Canyon Creek 365 Comment
  CAS-BOT-BC200578  Garrya buxifolia Carl B. Wolf 1927-8-28 1169 Humboldt Lord Ellis Road to Blue Lake, 9 mi. from Willow Creek, 2 mi. from summit Comment
  HSC73064  Garrya buxifolia M. A. Baker 1980-6-16 1949 Humboldt Near Onion Mtn. 1280 Comment
  HSC103981  Garrya elliptica C. Reynolds 2015-4-12 28 Humboldt Just before entrance onto footpath at Freshwater Beach from Kuchel Visitor Center 1 Comment
  RSA320506  Garrya elliptica M. S. Taylor 1982-10-24 5181 Humboldt Samoa, under bridge, ca. one mile northwest of Eureka. 0 Comment
  UC1196884  Garrya elliptica J. P. Tracy 1901-1-27 990 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa Comment
  HSC72925  Garrya fremontii Gail Newton 1980-7-22 1679 Humboldt Near Devils Backbone 231 Comment
  HSC97975  Garrya fremontii Cara Witte 2007-7-8 425 Humboldt Board Camp Mountain. Pack trail 4N26. 1/2 mile from Tri Board Camp intersection. 1536 Comment
  UC1122677  Garrya fremontii A. E. Wieslander 1931-5-17 196 Humboldt Bald Hills; Hoopa Quad. Comment
  UC1196893  Garrya fremontii Joseph P. Tracy 1947-7-9 17840 Humboldt Horse Mountain 1402 Comment
  JEPS8446  Gaultheria ovatifolia Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3413 Humboldt meadow at Snow Camp, ridge between Mad River and Redwood Creek (Bald Mountain ridge) Snow Camp 1432 Comment
  CHSC594  Gaultheria shallon M. Underhill 1952-7-12 Humboldt Coastal woods. 60 Comment
  HSC12312  Gaultheria shallon Wendell Wood 1970-9-22 300 Humboldt McKinleyville, E end of Chateau Way 107 Comment
  HSC31342  Gaultheria shallon Larry E. DeBuhr, G. D. Wallace 1972-5-22 607 Humboldt 25 mi. N of Arcata at the S end of Big Lagoon Comment
  HSC7807  Gaultheria shallon D. E. Anderson 1961-8-27 1758 Humboldt 8 mi. W of Redwood Creek Br. along Hwy. 299 Comment
  HSC7812  Gaultheria shallon J. Pursell 1964-11-1 1111 Humboldt Hoopa Valley Hwy. 96 Comment
  POM285359  Gaultheria shallon Lyman Benson 1928-7-10 582 Humboldt Dyerville. 61 Comment
  POM318846  Gaultheria shallon Patricia Wilder 1968-8-22 4422 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  RSA232641  Gaultheria shallon Larry E. DeBuhr, Gary D. Wallace 1972-5-22 607 Humboldt About 25 miles north of Arcata on the south end of Big Lagoon. Comment
  RSA309623  Gaultheria shallon W. Wisura 1983-9-2 3930 Humboldt 6 mi W of Willow Creek, at East Fork campground, along Hwy. 299 Comment
  SBBG12430  Gaultheria shallon D. E. Breedlove 1961-7-4 645 Humboldt 4.8 mi E of the N fork of the Mad River on US 299 685 Comment
  SDSU2870  Gaultheria shallon Harvey 1938-8-13 2254 Humboldt West of Arcata. Comment
  UC1196968  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1926-6-27 7687 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC1196969  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1919-9-18 5239 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  JEPS27563  Gayophytum humile Joseph P. Tracy Jul 16 1930-Jul 19 1930 8940 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC208029  Genista monspessulana C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  JEPS47022  Gentiana sceptrum Joseph P. Tracy 1924-8-3 6768 Humboldt Northern Coast Region, Big Lagoon Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  UC165803  Geranium bicknellii Joseph P. Tracy 1909-7-31 3048 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1198958  Geranium core-core Joseph P. Tracy 1938-6-11 15892 Humboldt Table Bluff 91 Comment
  UC630470  Geranium dissectum H. E. and S. T. Parks Apr 1938 24118 Humboldt Spruce Cove Trinidad 60 Comment
  HSC95593  Geranium dissectum Andrea Pickart 2002-5-24 110 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  RSA600894  Geranium molle Louis C. Wheeler 1959-8-2 7622 Humboldt Shelter Cove. Comment
  UCD103408  Geranium molle Joseph M. DiTomaso 1976-3-28 346 Humboldt Samoa Cookhouse in Samoa. Comment
  UC56320  Geranium oreganum J. Burtt Davy 1899-6-10 5393 Humboldt Hubbard's Station Mendocino, Humboldt, and Del Norte Counties Comment
  UC1198959  Geranium oreganum Joseph P. Tracy 1924-4-27 6663 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC52441  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1521 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  CAS-BOT-BC226146  Gilia capitata subsp. pacifica J. P. Tracy; H. E. Parks 1930-5-25 0793 Humboldt Near Bridgeville Comment
  HSC16991  Gilia millefoliata J. Mustain 1963-4-20 41 Humboldt Big Lagoon Park Comment
  CAS-BOT-BC123799  Gilia millefoliata var. maritima Alice Eastwood 1905-5-10 s.n. Humboldt Samoa near Eureka Comment
  JEPS11824  Githopsis diffusa subsp. robusta Lincoln Constance 1934-6-4 819 Humboldt Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  HSC71724  Githopsis specularioides M. A. Baker 1980-6-26 2461 Humboldt Near Sims Creek 610 Comment
  HSC21497  Glehnia littoralis subsp. leiocarpa S. J. Hawks 1965-5-14 62 Humboldt Clam Beach Comment
  UC140694  Glehnia littoralis subsp. leiocarpa unknown 1904-8-23 Humboldt peninsula - Eureka Eureka Comment
Read comments
Feb 1 2013
  SEINET7292864 Image available Glyceria occidentalis Malcolm A. Nobs, S. Galen Smith 1949-1 1239 Humboldt Blue Lake Comment
  SEINET10938128  Gnaphalium Mary Susan Taylor 1990-8-22 Taylor 6077 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  SEINET11849352  Gnaphalium chilense J. P. Tracy 1950-1 19044 Humboldt Trinity River, E side, 1 mi N of mouth of Willow Creek Comment
  UC164801  Gnaphalium palustre J. P. Tracy 1900-8-5 918 Humboldt immediate vicinity Eureka 0 Comment
  SEINET11836330  Gnaphalium palustre H. E. Parks, Parks, S. T. 1937-1 24080 Humboldt Spruce Cove, Trinidad Comment
  UC164897  Gnaphalium palustre Joseph P. Tracy 1909-7-18 3024 Humboldt sand dunes of Ocean Beach; Northern Coast Region, , Humboldt Bay Comment
  UC1326261  Goodyera oblongifolia Milo S. Baker 1947-8-10 11906 Humboldt along trail to Trinity Summit from end of Forest Road from Hoopa Trinity Summit 1432 Comment
  CAS-BOT-BC304729  Grindelia hirsutula Joseph P. Tracy 1918-7-7 5038 Humboldt Northern Coast Ranges. Near Garberville 121 Comment
  JEPS41893  Grindelia hirsutula W. L. Jepson 1936-8-18 17944 Humboldt Capetown Capetown (grassy flats by the sea) Comment
  CHSC31291  Grindelia stricta var. stricta Mark Stopher 1980-7-11 113 Humboldt Elk River mitigation site, in lower portions of site and in marsh. 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
  RSA259547  Hackelia bella D. E. Anderson, Thomas Nelson, S. Dowty 1972-6-13 s.n. Humboldt Westward lower slopes of Black Lassic near Trinity County line 1585 Comment
  UC1222252  Hackelia californica Joseph P. Tracy 1948-8-15 18154 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity nSummit 1524 Comment
  RSA167277  Hainardia cylindrica Joseph P. Tracy 1938-7-15 16071 Humboldt Mouth of Eel River. 3 Comment
  CAS-BOT-BC508211  Hastingsia alba Joseph P. Tracy 1935-7-24 14195 Humboldt Trinity Summit, moist rocky exposed places near ranger station 1828 Comment
  HSC73632  Helenium bigelovii M. A. Baker 1980-7-22 3100 Humboldt Near Grogan Hole 152 Comment
  JEPS35025  Helenium bigelovii Joseph P. Tracy 1930-7-16 8936 Humboldt at McKay Camp South Fork Mountain 1676 Comment
  UC582669  Helenium bigelovii Joseph P. Tracy 1930-7-16 8936 Humboldt wet meadow at McKay Camp; South Fork Mountain 1676 Comment
  UC175986  Helenium bolanderi J. P. Tracy 1912-7-22 3792 Humboldt near Loleta 91 Comment
  HSC39775  Helminthotheca echioides Peter Sorensen 1976-8-19 Humboldt Woodley Island Comment
  UC1223170  Helminthotheca echioides Joseph P. Tracy 1950-9-10 19361 Humboldt 1 mi inland from Cape Mendocino (1/2 mi s of town, brushy hillside along the coast road); foothills of the Cape Mendocino Ridge 60 Comment
  HSC30151  Hemitomes congestum Kennith Irwin 1973-5-31 Humboldt Patrick's Point. Bulk Collection 80 Comment
  HSC39616  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-15 2720 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  UC1368467  Hemizonella minima R. K. Gierisch 1969-7-1 3535 Humboldt Grouse Mtn. Six Rivers 1584 Comment
  RSA47162  Hemizonia congesta Doris K. Kildale 1927-8-29 3243 Humboldt Cape Mendocino. Comment
  CAS-BOT-BC309994  Hemizonia congesta subsp. tracyi S. K. Harris 1936-6-20 s.n. Humboldt Bluff above Van Duzen River about 1 mile west of Bridgeville Comment
  CAS-BOT-BC309995  Hemizonia congesta subsp. tracyi Carl B. Wolf 1937-6-14 8813 Humboldt North Coast Range, Kneeland Prairie 822 Comment
  LA203693  Hemizonia congesta subsp. tracyi S. K. Harris; 1936-6-20 sn Humboldt above Van Duzen River about 1 mi. W of Bridgeville Comment
  RSA388122  Hemizonia congesta subsp. tracyi C. B. Wolf 1937-6-14 8813 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  SBBG8413  Hemizonia congesta subsp. tracyi H. and M. Dearing 1939-5-24 3426 Humboldt near Capetown Comment
  UC1199366  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1940-10-17 16768 Humboldt Camp Grant, Eel River 45 Comment
  UC249804  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1923-6-20 6338 Humboldt 4 mi n Garberville; Northern Coast Ranges 121 Comment
  HSC36432  Heracleum maximum John Rehling 1974-7-8 4 Humboldt County park at Big Lagoon Comment
  HSC60360  Heracleum maximum Clark L. Miller 1979-5-13 1120 Humboldt N of Trinidad along Patricks Point Dr. Comment
  HSC74502  Heracleum maximum Gail Newton 1980-8-10 2049 Humboldt Near Blake Mtn. 1707 Comment
  HSC38904  Heracleum maximum J. P. Smith, Steve Selva 1970-6-30 4116 Humboldt Comment
  SD53244  Heracleum maximum Darley F. Howe 1962-5-22 3301 A Humboldt 0.5 miles north of Orick on # 101 29 Comment
  SD53245  Heracleum maximum Darley F. Howe 1962-5-22 3301 B Humboldt 0.5 miles north of Orick on # 101 29 Comment
  RSA249393  Heterocodon rariflorum D. E. Anderson, Thomas W. Nelson, S. Dowty 1974-6-17 5709 Humboldt McKeown Ranch N of Dinsmore. Comment
  UC198602  Heteromeles arbutifolia Miss Landergen Dec 1916 Humboldt Fort Seward; Northern Coast Ranges 91 Comment
  HSC5311  Heterotheca oregona Paul Shields Aug 1955 Humboldt 1 mi. N of Weott Comment
  HSC73174  Heuchera micrantha M. A. Baker 1980-5-17 1247 Humboldt Near Le Perron Peak 1066 Comment
  HSC79434  Heuchera micrantha Kenneth Clark 1981-4-5 1228 Humboldt Above S fork Dead Man's Gulch 114 Comment
  UC902003  Heuchera micrantha Joseph P. Tracy 1947-4-27 17673 Humboldt roadside near top of Wolverton Gulch (1/2 mi w of tow) 152 Comment
  HSC56114  Heuchera rubescens Gilbert Muth 1979-8-1 11884 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC41261  Hieracium albiflorum Brad Klipfel 1974-7-23 453 Humboldt Horse Mountain, NW from the towers Comment
  POM232032  Hieracium albiflorum I. L. Wiggins 1930-7-22 4691 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  UC1223082  Hieracium albiflorum Joseph P. Tracy 1947-7-9 17850 Humboldt Horse Mountain 1432 Comment
  HSC74477  Hieracium greenei Gail Newton 1980-7-24 1765 Humboldt Near Somes Mtn. 1615 Comment
  UC165196  Hieracium nudicaule Joseph P. Tracy 1909-8-1 3066 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCSB25052  Hippuris vulgaris Keefe, Joseph 1967-7-8 Humboldt east side of U.S. Highway 101, turnoff to Crannell Road; north of Eureka 6 Comment
  UCD115146  Hirschfeldia incana Joseph P. Tracy 1931-5-21 9434 Humboldt Eel River, Alton to Fortuna. 15 Comment
  HSC79451  Holcus lanatus Kenneth Clark 1980-6-14 673 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  JEPS75424  Holcus lanatus W. L. Jepson 1932-8-1 16467 Humboldt Bull Creek 121 Comment
  SD40095  Holcus lanatus Edith A. Purer 1932-7-30 4672 Humboldt South of Orick Comment
  SD51261  Holcus lanatus D. F. Howe 1961-8-1 Humboldt 9 miles north of Arcata on #101 Comment
  UC180229  Holcus lanatus Joseph P. Tracy 1913-6-22 4271 Humboldt opposite Buck Mountain (in valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC56316  Holodiscus discolor Overton, Butler 1979-8-2 12655 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC72686  Holodiscus discolor J. P. Smith 1977-7-3 9260 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  HSC97986  Holodiscus discolor Cara Witte 2007-7-8 429 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  OBI10161  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt North Coast Range, Wildcat Ridge, 6 3/10 mi S of Ferndale 305 Comment
  RSA46788  Holodiscus discolor Doris Kildale Gillespie 1937-8-12 15256 Humboldt South Fork Mountain. Comment
  HSC37949  Hordeum brachyantherum Peter Sorensen 1976-6-16 Humboldt Woodley Island Comment
  HSC38426  Hordeum brachyantherum D. E. Anderson, J. P. Smith 1971-6-14 - 1046 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  HSC10192  Hordeum jubatum J. P. Tracy 1927-7-16 8249 Humboldt Mouth of Elk River. 3 Comment
  CAS-BOT-BC284893  Hordeum murinum subsp. leporinum Henry M. Pollard 1948-7-26 s.n. Humboldt Orleans Comment
  HSC10204  Hordeum murinum subsp. leporinum R. D. Modafferi 1965-5-13 100 Humboldt Intersection of Main St. and old Hwy. 101, S of Trinidad Comment
  HSC104047  Hordeum murinum subsp. murinum Kyle Brown Apr 2015 31 Humboldt Along trail at Ma-le'l Dunes 3 Comment
  UC303162  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1925-5-30 7025 Humboldt Laribee Valley; Northern Coast Ranges 701 Comment
  CAS-BOT-BC537962  Horkelia tridentata var. flavescens J. D. Ackerman 1975-6-18 472 Humboldt Big Hill rd. ca. 10.4 mi. E. of Hoopa and Hwy. 96. Comment
  HSC58539  Hosackia oblongifolia var. oblongifolia Overton, Butler 1979-7-23 9469 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  SEINET957086  Hosackia rosea A. M. Ottley 1914-1 4599 Humboldt Same locality as 4576. Bald Mountian between high prairie and snow camp. 1219 Comment
  UC1400341  Hydrocotyle ranunculoides Robert F. Thorne and P. Everett 1965-8-9 35316 Humboldt Clam Beach Co. Park 3 Comment
  HSC13557  Hydrophyllum occidentale H. E. Parks, J. P. Tracy 1935-6-16 Humboldt Buck Mtn. Comment
  HSC99430  Hydrophyllum tenuipes K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 79 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC175706  Hypericum anagalloides Joseph P. Tracy 1912-7-14 3747 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC13844  Hypericum perforatum F. Morrell 1949-5-14 22 Humboldt Weitchpec Comment
  UC1137468  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
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Sep 12 2009
  UC1137469  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
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Sep 12 2009
  UC1198400  Hypericum perforatum Joseph P. Tracy 1934-7-9 13346 Humboldt Dobbyn Creek 152 Comment
  UC909470  Hypericum perforatum J. H. Thomas 1949-6-12 899 Humboldt ca. 1/2 mi. n. Orleans (near Klamath R.) Comment
  UCR32144  Hypericum perforatum David J. Keil 1983-7-1 17279 Humboldt North Coast Range, Bull Creek Flats Road, 2.5 mi. NE of Honeydew Comment
  CAS-BOT-BC401228  Hypericum perforatum Doris K. Kildale 1925-6-20 711 Humboldt Coast above Big Lagoon Comment
  CAS-BOT-BC401238  Hypericum perforatum Henry M. Pollard 1948-7-21 s.n. Humboldt Near Orleans Comment
  UC1199473  Hypochaeris glabra Joseph P. Tracy 1936-5-30 14835 Humboldt near Samoa; Humboldt Bay 6 Comment
  UCD133455  Hypochaeris radicata Linda M. Barker 1976-9-3 1692 Humboldt 3 miles west of Arcata. Comment
  HSC96493  Hypochaeris radicata Gordon Leppig 1997-8-3 630 Humboldt Big Lagoon County Park; Big Lagoon Bog 3 Comment
  CAS-BOT-BC206837  Iliamna latibracteata L. B. Kildale 1926-6-6 2114 Humboldt Prairie Creek near Davidson's Comment
  CAS-BOT-BC206840  Iliamna latibracteata Joseph P. Tracy 1938-8-14 16104 Humboldt Willow Creek Canyon, along Trinity Highway 762 Comment
  JEPS67378 Image available Iliamna latibracteata Joseph P. Tracy 1939-7-23 16350 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
  UC1196393  Iris douglasiana Joseph P. Tracy 1924-8-3 6762 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  RSA137356  Iris douglasiana Lee W. Lenz, E. K. Balls 1956-6-12 21666 Humboldt Between Willow Creek and Blue Lake, U.S. Highway 299 366 Comment
  JEPS86127  Iris macrosiphon Wayne Roderick 1966-5-5 Humboldt ca 5 mi n Bridgeville 609 Comment
  UCD138785  Iris macrosiphon H. P. Olmo 1928-6-10 s.n. Humboldt Wooley Creek. Comment
  UC275564  Iris purdyi Joseph P. Tracy 1924-7-4 6715 Humboldt Snow Camp; Northern Coast Ranges 1371 Comment
  HSC36790  Iris purdyi Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-20 2052 Humboldt Beside FS Rd. 2S08 to Pine Mtn. Comment
  RSA136372  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-17 18317 Humboldt 1 mile below Somes Bar on Klamath River 180 Comment
  HSC67179  Iris tenuissima Thomas W. Nelson, James Nelson 1980-6-10 5430 Humboldt Along E side of Red Mtn. 1372 Comment
  SEINET200597 Image available Isoetes J. P. Tracy 1935-5-25 13842 Humboldt Fort Seward 107 Comment
  UC936235  Isoetes howellii Joseph P. Tracy 1949-7-19 18398 Humboldt Grouse Mt., Mud Lake 1524 Comment
  UC906715  Isoetes nuttallii Joseph P. Tracy 1942-6-15 17138 Humboldt Miranda 121 Comment
  HSC40972  Isolepis cernua Linda M. Barker 1976-6-22 1618 Humboldt 3 mi. W of Arcata Comment
  CAS-BOT-BC101964  Juglans hindsii J. W. Blankinship 1928-7-12 s.n. Humboldt Clear Lake woods, Mouth of Kelsey Cr. Comment
  UC14895  Juncus bolanderi J. P. Tracy 1900-9-9 940 Humboldt immediate vicinity Eureka 0 Comment
  CHSC88880  Juncus breweri L. P. Janeway; B. Castro 2004-9-10 8320 Humboldt North Coast. South Spit of Humboldt Bay, 3.6 km north-northeast of Table Bluff Lighthouse site; between South Spit Road and the Humboldt Bay mudflats. 2 Comment
  RSA246797  Juncus breweri Robert F. Thorne, Percy C. Everett 1965-8-5 35161 Humboldt Samoa Dunes. 3 Comment
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  UC1152115  Juncus bufonius Joseph P. Tracy 1930-10-19 9233 Humboldt near Alton; Eel River Comment
  HSC97983  Juncus covillei Cara Witte 2007-7-11 496 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC1152110  Juncus covillei Joseph P. Tracy 1934-7-14 13401 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  RSA53853  Juncus effusus subsp. pacificus Henry M. Pollard 1945-8-24 s.n. Humboldt Betw Orleans and Camp Creek Klamath River Canyon. Comment
  UC1152100  Juncus ensifolius Joseph P. Tracy 1927-8-22 8343 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC1152105  Juncus exiguus Joseph P. Tracy 1930-7-17 8982 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC14053  Juncus falcatus D. E. Anderson 1961-9-9 1802 Humboldt Big Lagoon County Park Comment
  UC1103053  Juncus falcatus var. falcatus J. P. Tracy 1901-8-7 1273 Humboldt opposite Eureka (Sand Hills of Ocean Beach); Samoa Comment
  JEPS63872  Juncus hesperius Henry Melde 1902-2-8 Humboldt Eureka Comment
  HSC75484  Juncus mertensianus J. O. Sawyer 1980-7-18 3607 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1152002  Juncus occidentalis Joseph P. Tracy 1930-7-6 8844 Humboldt Kneeland Prairie 762 Comment
  UC201996  Juncus saximontanus Joseph P. Tracy 1918-7-5 5027 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
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Dec 13 2006
  HSC56961  Juncus xiphioides Overton, Butler 1979-7-23 9475 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  CAS-BOT-BC235877  Keckiella corymbosa Joseph P. Tracy 1920-8-15 5360 Humboldt Klamath River, at Bluff Creek 152 Comment
  HSC20979  Keckiella corymbosa John Warner Hosking 1968-10-10 Humboldt Hwy. 299, 30 mi. W of Willow Creek Comment
  HSC23720  Keckiella corymbosa Tim Baroni 1971-7-5 96 Humboldt W bank of the Mattole River Comment
  UC1193337  Keckiella corymbosa P. Zinke 184 Humboldt 300 yds nw of summit King Peak 1249 Comment
  UC213144  Keckiella corymbosa Joseph P. Tracy 1920-8-15 5360 Humboldt Bluff Creek; Northern Coast Ranges, Klamath River 152 Comment
  UC413904  Keckiella corymbosa C. M. Goethe 1930-8-13 Humboldt Eel River Comment
  CAS-BOT-BC273597  Koeleria pyramidata Harley P. Chandler 1901-6-1 1342 Humboldt North Coast Ranges. Hupa Indian Reservation 304 Comment
  JEPS36746  Lactuca serriola Joseph P. Tracy 1926-9-6 7794 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1223223  Lapsana communis Joseph P. Tracy 1950-8-7 19275 Humboldt 1 mi w of lower end Croghan Hole; Trinity Summit Comment
  HSC5898  Lapsana communis David Adams 1960-7-15 Humboldt Azalea Reserve State Park 30 Comment
  RSA94807  Lapsana communis F. W. Peirson 1926-7-12 7040 Humboldt Redwood Creek, Orick. Comment
  CAS-BOT-BC352930  Lasthenia glaberrima S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3439 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  CAS-BOT-BC352932  Lasthenia glaberrima Joseph P. Tracy 1930-6-15 8748 Humboldt Larrabee Creek, near Bosworth's 457 Comment
  HSC26359  Lasthenia maritima T. O. Osborne 1970-6-18 47 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  CAS-BOT-BC94770  Lathyrus angulatus R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 829 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air miles N of Mattole Road, about 3 air miles W of Highway 101 243 Comment
  HSC14739  Lathyrus littoralis H. E. Parks 1930-5-24 798 Humboldt Little River Lagoon 0 Comment
  SD39835  Lathyrus littoralis Charlotte M. Hook 1931-7-15 2104 Humboldt Eureka Comment
  HSC24404  Lathyrus nevadensis var. nevadensis J. O. Sawyer 1970-6-24 2283 Humboldt Salmon Mt., W of Mill Creek Lake 1677 Comment
  UC495706  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1932-7-16 10641 Humboldt McKay Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC81966  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4942 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  RSA168907  Lathyrus vestitus subsp. bolanderi Joseph P. Tracy 1942-7-26 17298 Humboldt Valley of South Yager Creek. 610 Comment
  CDA24488  Laurus nobilis Gordon Leppig 2000-4-12 1289 Humboldt Arcata, 13th and Union. Comment
  HSC39786  Layia carnosa Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  HSC90659  Layia carnosa Gail Newton 1982-5-5 3542 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC95222  Layia carnosa Heather Barnes 2002-3-29 22 Humboldt Manila dunes, 0.2 km NW of Lupine St. and water tank. 3 Comment
  CAS-BOT-BC321697  Layia gaillardioides Joseph P. Tracy 1936-6-9 14875 Humboldt Bear River Ridge 609 Comment
  RSA18016  Leontodon nudicaulis C. B. Wolf 1927-8-22 777 Humboldt Big Lagoon. Comment
  SEINET3245528  Leontodon saxatilis R. Spellenberg, N. Zucker 2011-1 14301 Humboldt Miranda, on the W side of highway in center of town. 110 Comment
  UC582427  Leontodon saxatilis subsp. saxatilis Joseph P. Tracy 1936-8-23 15168 Humboldt vicinity Carlotta 30 Comment
  UC582428  Leontodon saxatilis subsp. saxatilis Joseph P. Tracy 1933-8-22 12982 Humboldt near Fields Landing (around Humboldt Bay); Northern Coast Region, around Humboldt Bay 6 Comment
  CAS-BOT-BC89075  Lepidium didymum K. L. Chambers; Ron Tyrl 1969-5-25 2927 Humboldt Strong's Station ca. 6.5 mile east of Carlotta on Highway 36. Comment
  UC180236  Leptosiphon latisectus Joseph P. Tracy 1914-5-14 4423 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  CAS-BOT-BC341823  Lessingia nemaclada Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  HSC48392  Lewisia leeana Brad Klipfel 1973-6-10 152 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC97936  Lewisia triphylla Cara Witte 2007-5-31 145 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
  RSA10017  Leymus mollis subsp. mollis Joseph P. Tracy 1927-5-1 7954 Humboldt Sand dunes near Samoa, on Humboldt Bay 6 Comment
  UC1197174  Ligusticum apiifolium Joseph P. Tracy 1930-7-6 8851 Humboldt at crossing of the Iaqua to yager rd. North Yager Creek 396 Comment
  HSC74325  Ligusticum californicum M. A. Baker 1980-6-16 1957 Humboldt Near Onion Mtn. 1280 Comment
  UC183567  Ligusticum californicum Joseph P. Tracy 1912-7-31 3951 Humboldt near summit Buck Mt.; Northern Coast Ranges, Buck Mt. 1524 Comment
  HSC13238  Ligustrum ovalifolium Jana Kattenhorn 1970-10-24 105 Humboldt HSC Campus, S of building 37 Comment
  JEPS17499  Lilaeopsis occidentalis W. L. Jepson 1921-8-7 9333 Humboldt Stone Lagoon Comment
  UCR39795  Lilium bolanderi D. K. Imper 1983-7-12 s.n. Humboldt Six Rivers National Forest. Along13N01 roadside c. 3.5 mi north of Blue Lake 915 Comment
  HSC31642  Lilium columbianum Glenn McGourty 1974-6-1 80 Humboldt Comment
  SEINET3992214  Lilium pardalinum Unknown 1937-7-24 15533 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1372 Comment
  UC666957  Lilium pardalinum Joseph P. Tracy 1937-7-24 15533 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  CAS-BOT-BC130728  Lilium pardalinum Albert Vollmer 1949-7-1 2 Humboldt On Bald Mountain Comment
  HSC98051  Lilium pardalinum subsp. pardalinum Cara Witte 2007-7-11 488 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  CAS-BOT-BC132962  Lilium rubescens Doris K. Kildale 1927-7-17 3748 Humboldt Bug Creek 792 Comment
  UC673262 Image available Limnanthes douglasii Lincoln Constance and Reed C. Rollins 1942-5-21 3000 Humboldt two mi n Harris; Klamath-Siskiyou Region; Siskiyou Region, Humboldt Co. 762 Comment
  HSC1801  Limonium californicum William J. Ferlatte, B. D. Rogers 1966-8-15 3126 Humboldt Near Arcata sewage pond, N Humboldt Bay. Comment
  RSA244966  Limonium californicum William J. Ferlatte, B. D. Rogers 1966-8-15 3126 Humboldt Near Arcata sewage pond. North Humboldt Bay. Comment
  UC741169  Limonium californicum C. C. and S. K. Harris 1939-9-8 973 Humboldt Humboldt Bay; s shore, salt marsh Comment
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC908948  Linanthus androsaceus Joseph P. Tracy 1927-5-8 7975 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  JEPS58273  Linanthus bolanderi Lincoln Constance 1934-6-15 890 Humboldt few yds s Lookout (on summit of ridge of Grasshopper); South Fork Eel River, Bull Creek Region, Grasshopper Comment
  UC23540  Linanthus filipes Harley P. Chandler Jun 1901 1309 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  CDA6370  Linaria vulgaris T. C. Fuller 1968-7-3 17445 Humboldt Northwest corner of overpass of Highway 101 freeway at Tompkins Hill Road, 1 mile south of Fields Landing. 0 Comment
  HSC15800  Linum bienne W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus on S side of biological science building. Comment
  HSC15801  Linum bienne Francis Winter 1960-4-24 Humboldt 1 mi. N of Redwood Creek Ranch 396 Comment
  HSC97453  Linum bienne Cara Witte 2007-6-7 228 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  SD51257  Linum bienne Darley F. Howe 1961-8-1 348 Humboldt 9.0 miles north of Arcata on Highway 101. Comment
  SDSU8125  Linum bienne D. F. Howe 1961-8-1 Humboldt 9 miles north of Arcata on #101. Comment
  UC666982  Listera caurina Joseph P. Tracy 1930-7-17 9016 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC36649  Listera cordata var. nephrophylla J. D. Ackerman 1975-6-4 445 Humboldt 4 mi. E of Hwy. 101 on Bald Hills Rd., Redwood National Park 335 Comment
  UC1196367  Lithocarpus densiflorus Joseph P. Tracy 1921-10-2 5964 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  SEINET12034162  Lithocarpus densiflorus J. P. Tracy 1950-1 19253 Humboldt Grasshopper Peak (in Bull Creek State Park at head of Canoe Creek) Comment
  CAS-BOT-BC36102  Lithocarpus densiflorus var. densiflorus Carl B. Wolf 1930-10-29 1783 Humboldt Old Coast Road, 4 miles SO. of Honeydew Post Office 304 Comment
  CAS-BOT-BC36103  Lithocarpus densiflorus var. densiflorus L. R. Abrams 1916-7-11 6005 Humboldt Between Blackberry and Bridgeville Comment
  CAS-BOT-BC36107  Lithocarpus densiflorus var. densiflorus Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 762 Comment
  POM270405  Lithocarpus densiflorus var. densiflorus Lyman Benson 1929-7-19 1869 Humboldt Dry slope west of Bull Creek. Comment
  RSA21079  Lithocarpus densiflorus var. densiflorus Carl B. Wolf 1937-8-13 9239 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC20217  Lithophragma affine J. P. Tracy 1950-6-25 1888712 Humboldt Burr Valley 1067 Comment
  CAS-BOT-BC342349  Logfia gallica Joseph P. Tracy 1935-5-30 13914 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC283403  Lolium multiflorum C. L. Hitchcock; C. V. Muhlick 1963-7-14 22906 Humboldt Along Eel River at Fern Bridge Comment
  UC50710  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6187 Humboldt Cape Mendocino Comment
  HSC10306  Lolium perenne R. H. Berg 1963-2-27 4 Humboldt Arcata, Fickle Hill area. Comment
  RSA293179  Lolium perenne James Payne Smith Jr. 1977-7-3 9246 Humboldt Six Rivers National Forest, Along road to Onion Lake, just above Blue Lake 976 Comment
  UCD66476  Lolium perenne Collector Unknown 1923-7-18 23 Humboldt Petrolia. Comment
  HSC10321  Lolium temulentum H. S. Logsdon 1964-5-14 41 Humboldt 12 mi. SE of Trinidad Head, Jct. Hwy. 299 and Hwy. 101 Comment
  HSC96251  Lomatium californicum Kaylea Eickhoff, Cara M. Witte 2005-6-24 16 Humboldt ~13 mi S of Hwy 299 on NF1 1375 Comment
  JEPS16097  Lomatium californicum Joseph P. Tracy July, 1908 2905 Humboldt ridge between Van Duzen & Mad Rivers near Low Gap; Northern Coast Ranges, Humboldt & Trinity Co.'s 914 Comment
  HSC31213  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson 1972-6-20 5735 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC71591  Lomatium dasycarpum subsp. dasycarpum M. A. Baker 1980-6-26 2398 Humboldt Near Sims Creek 610 Comment
  HSC39199  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson, J. P. Smith 1971-7-6 1323 Humboldt 2 mi. E of Pine Ridge Summit Comment
  UC21254  Lomatium dasycarpum subsp. dasycarpum Harley P. Chandler June, 1901 1445 Humboldt North Coast Ranges, Klamath R. Comment
  UC906635  Lomatium macrocarpum Joseph P. Tracy 1947-7-5 17780 Humboldt ridge top 1 mi. w. Mud Springs (Trinity Summit); Trinity Summit 1158 Comment
  RSA273299  Lomatium tracyi B. Kelly 1977-7-16 537 Humboldt 1/4 mile in from Horse Mountain Road, 1/2 mile below turnoff to summit, near end of unused gravel road. Comment
  SD264747  Lomatium utriculatum Tracey Call, Viola Call 1964-6-19 2271 Humboldt Dry, west-facing hillside 1 mile north of Harris P.O. and ca 3I(c) miles south of Harris Jct. 609 Comment
  CAS-BOT-BC240469  Lonicera hispidula M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale, 8 miles N. of Garberville Comment
  UC1125245  Lonicera hispidula var. vacillans H. L. Person 1932-7-23 N.w.S 16 Humboldt road e Korbel; Eureka Quadrangle Comment
  UC535759  Lonicera hispidula var. vacillans Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  UCD39986  Lonicera hispidula var. vacillans Rodney Gale Myatt 1971-9-22 1199 Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  HSC90220  Lonicera involucrata Louise Watson, Jan Meninga Aug 1990 6 Humboldt Mad River Slough and Dunes, 50 ft. N of parking lot, W of trail. Comment
  HSC90392  Lonicera involucrata Jean Hanson 1981-5-10 143 Humboldt Indian Island, Humboldt Bay, Eureka, W end of island. Comment
  HSC89542  Lonicera involucrata var. ledebourii M. Roantree 1985-4-25 2 Humboldt E side of Trinidad Head. Comment
  POM284249  Lonicera involucrata var. ledebourii Lyman Benson 1928-7-10 816 Humboldt Clam Beach, Trinidad. 15 Comment
  UC719786  Lonicera involucrata var. ledebourii Rogers McVaugh 1941-8-3 6217 Humboldt ca. 1 1/4 mi s H.Q. Patrick's Point State Park Comment
  UC162847  Lotus aboriginus J. P. Tracy 1901-5-12 1078 Humboldt immediate vicinity Eureka 0 Comment
  HSC26447  Lotus corniculatus Brad Klipfel 1973-4-28 16 Humboldt Along Canyon Creek, SW of Korbel Comment
  HSC43241  Lotus corniculatus R. Sutherland 1976-8-6 7 .6876 Humboldt 229 Comment
  UC1223434  Lotus crassifolius var. crassifolius Joseph P. Tracy 1935-7-29 14341 Humboldt ne of Ranger Station (at beginning of Salmon Summit Trail, Humboldt County side); Trinity Summit, Salmon Summit Trail Comment
  UC1223405  Lotus denticulatus Joseph P. Tracy 1934-6-14 13219 Humboldt Horse Mountain 1432 Comment
  UC1223400  Lotus formosissimus Joseph P. Tracy 1938-6-17 15949 Humboldt s of Cape Mendocino point; Cape Mendocino 3 Comment
  JEPS19446  Lotus micranthus W. L. Jepson 1902-6 1900 Humboldt Ft. Seward Ranch Ridge (= Mail Ridge) Ft. Seward Ranch Ridge 1219 Comment
  UC1223396  Lotus micranthus Joseph P. Tracy 1933-7-9 12644 Humboldt opposite Willow Creek; Trinity River Valley Comment
  HSC97929  Lotus nevadensis var. douglasii Cara Witte 2007-6-14 284 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  SEINET12154222  Lotus nevadensis var. douglasii H. P. Chandler 1901-1 1487 Humboldt Klamath R 427 Comment
  SEINET3694377 Image available Lotus oblongifolius Joseph P. Tracy 1930-7-16 8997 Humboldt South Fork Mountain; McKay Camp 1676 Comment
  UC1223415  Lotus purshianus var. purshianus Joseph P. Tracy 1938-8-7 16102 Humboldt 5 mi n Garberville Comment
  HSC31388  Lotus scoparius Lincoln Constance 1934-6-1 768 Humboldt S Fork Eel River, Bull Creek Rd. between Dyerville Bridge and Bull Creek Flat Grove. 46 Comment
  UC1223410  Lotus yollabolliensis Joseph P. Tracy 1937-7-29 15586 Humboldt near McKay Camp (near top of South Fork Mountain); South Fork Mountain 1676 Comment
  UC1191765  Ludwigia hexapetala Malcolm A. Nobs and S. Galen Smith 1949-8-9 1231 Humboldt pond s. side of town of Blue Lake Comment
  CAS-BOT-BC342559  Luina hypoleuca Frank W. Peirson 1926-7-12 7026 Humboldt Klamath River near Weitchpec Comment
  HSC70698  Luina hypoleuca Gail Newton 1980-7-15 1554 Humboldt Near Sims Mtn. 1311 Comment
  HSC14763  Lupinus albicaulis R. Spellenberg 1965-6-13 1113 Humboldt About 2 mi. S of Hwy. through Hoopa, E side of Trinity River Comment
  RSA167394  Lupinus albicaulis Joseph P. Tracy 1950-6-18 18849 Humboldt Wilder Ridge Comment
  UC503004  Lupinus albicaulis var. shastensis Joseph P. Tracy 1932-6-14 10161 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1197248  Lupinus albifrons Joseph P. Tracy 1932-5-1 9873 Humboldt Garberville; Northern Coast Ranges, Garberville 121 Comment
  HSC98761  Lupinus albifrons var. collinus Cara Witte 2008-7-2 819 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  HSC32521  Lupinus andersonii Thomas W. Nelson, James Nelson 1973-5-28 955 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC48868  Lupinus andersonii Brad Klipfel 1973-6-10 62 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET202282  Lupinus andersonii Joseph P. Tracy 1949-6-25 18340 Humboldt At Bigh Hill on road west of Box Camp, west slope of summit. Comment
  BLMAR751  Lupinus arboreus Kate McGrath 2015-7-28 751 Humboldt Samoa Peninsula, Along New Navy Base Rd; through Recreation Area 1 Comment
  LA205182  Lupinus arboreus C. B. Wolf; 1930-10-28 1780 Humboldt Samoa, Humboldt Bay 15 Comment
  UC1223266  Lupinus arboreus Joseph P. Tracy 1947-7-3 17763 Humboldt mouth of Little River Comment
  UCD106590  Lupinus arboreus Linda M. Barker 1976-5-13 1474 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET10452623  Lupinus arboreus Mary Susan Taylor 1982-10-24 Taylor 5183 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  RSA246779  Lupinus arboreus var. arboreus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35166 Humboldt Samoa Dunes. 3 Comment
  RSA407033  Lupinus arboreus var. arboreus Charlotte M. Hoak 1931-7-14 s.n. Humboldt Above Eureka. Comment
  HSC103986  Lupinus bicolor E. R. Fyer 2015-4-26 26 Humboldt Eureka; vacant lot off Waterfront Drive 3 Comment
  UC1197282  Lupinus bicolor Joseph P. Tracy 1911-5-30 3195 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  SEINET6932626 Image available Lupinus bicolor Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  RSA276277  Lupinus bicolor subsp. umbellatus Lyman D. Benson 1929-7-19 1860 Humboldt Dyerville to Mat[t]ole River. Comment
  CAS-BOT-BC8425  Lupinus constancei T. W. Nelson; J. P. Nelson 1982-7-9 7079 Humboldt Blocksburg Quadrangle. Mt. Lassic (Signal Peak) and saddle to east. Comment
  HSC70982  Lupinus latifolius subsp. viridifolius Gail Newton 1980-7-22 1663 Humboldt Near Devils Backbone 1554 Comment
  HSC98986  Lupinus latifolius var. latifolius Cara Witte 2008-7-2 807 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  HSC99444  Lupinus latifolius var. latifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 94 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC184850  Lupinus luteolus Joseph P. Tracy 1911-7-10 3496 Humboldt Valley of Trinity River near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River nr Willow Cre 152 Comment
  RSA0084061  Lupinus obtusilobus Jane P. Nelson 1974-5-27 1318 Humboldt Mendocine National Forest near Mendocino Pass. 1524 Comment
  HSC14930  Lupinus pachylobus H. E. Parks 1930-5-25 871 Humboldt Laribee Valley 762 Comment
  HSC14860  Lupinus polyphyllus H. E. Parks, S. T. Parks May 1930 737 Humboldt Vicinity of Alton Comment
  UC180233  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1914-7-4 4542 Humboldt High Prairie; on Bald Mountain Bald Mountain; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC179936  Lupinus rivularis Joseph P. Tracy 1914-6-14 4507 Humboldt Hydesville; North Coast Ranges 60 Comment
  HSC79484  Lupinus rivularis Kenneth Clark 1980-3-1 503 Humboldt Dead Man's Gulch, Shelter Cove 21 Comment
  POM304177  Lupinus rivularis Ynez Whilton Winblad 1941-6-28 s.n. Humboldt Between Orick and Crescent City. Comment
  RSA170274  Lupinus sellulus var. artulus Joseph P. Tracy 1918-7-5 5021 Humboldt White Thorn Valley. 305 Comment
  HSC58042  Lupinus tracyi Gilbert Muth 1979-8-1 11890 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC58361  Lupinus tracyi G. L. Clifton, Griswold 1979-7-26 10194 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  CHSC943  Lupinus variicolor M. Underhill 1952-7-13 Humboldt 0 Comment
  HSC100503  Luzula Carl C. Marshall May 1886 219 Humboldt Gulch E of Arcata. Comment
  CAS-BOT-BC499137  Luzula macrantha Peter F. Zika 2011-7-3 25497 Humboldt Titlow Hill Road, 3.7 road miles SE of Rte 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  CDA39249  Luzula parviflora J. Riddell 2002-4-21 47 Humboldt Prairie Creek State Park, Gold Beach roadside. Comment
  UC302166  Luzula parviflora Joseph P. Tracy 1925-7-5 7171 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  SD46471  Luzula parviflora E. K. Balls, L. W. Lenz 1956-6-12 21662 Humboldt 4.4 miles southwest from Willow Creek, along US Highway 299 to Arcata. Common in shade on moist to wet seeps. 366 Comment
  SEINET8717658 Image available Luzula parviflora H. E. Parks, S. T. Parks 1952-1 22446 Humboldt Bishop Pine Lodge. Trinidad. Comment
  JEPS60165  Lycopodium clavatum Hilda W. Grinnell 1932-7-23 46 Humboldt on ever-shaded oozy slope below McKay Camp; South Fork Mountain Comment
  CHSC96440  Lycopus uniflorus Gordon Leppig 1997-8-3 640 Humboldt Big Lagoon County Park, Big Lagoon Bog. UTM Zone 10 NAD 1927, 405321E 4557202N. 3 Comment
  UC162336  Lythrum hyssopifolia Joseph P. Tracy 1911-7-8 3471 Humboldt near mouth of Willow Creek (Northern Coast Ranges, Valley of Trinity River); Northern Coast Ranges, Valley of Trinity River 152 Comment
  UCD103045  Lythrum hyssopifolia H. E. Parks; S. T. Parks 1937-6-1 24028 Humboldt Trinidad, Spruce Cove. Comment
  HSC59458  Lythrum hyssopifolia M. A. Erickson 1979-5-18 299 Humboldt On railroad right-of-way 25 yards N of Arcata Redwood Company main gate located between Arcata and Eureka. Comment
  UC89370  Madia elegans Harley P. Chandler June 1901 1409 Humboldt Klamath River 243 Comment
  UC89451  Madia elegans unknown Humboldt Jarnigans Comment
  CAS-BOT-BC344357  Madia exigua L. R. Abrams 1916-7-11 5995 Humboldt Between Blocksberg & Bridgeville Comment
  CAS-BOT-BC94819  Madia gracilis R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-6 834 Humboldt Humboldt Redwoods S.P., Look Prairie, 0.5 air mi. N of Mattole Rd., and 3 air mi. W of Hwy. 101 243 Comment
  HSC35783  Madia gracilis Thomas W. Nelson, B. Reinhardt 1975-7-30 2090 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  JEPS7505  Madia gracilis Joseph P. Tracy 1934-7-18 13432 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC98983  Madia gracilis Cara Witte 2007-7-3 403 Humboldt National Forest 1 on Kinsey Ridge. 1 1/2 miles north of intersection with 4N09. 1396 Comment
  POM362170  Madia gracilis subsp. gracilis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3607 Humboldt Along road north from Alder Spring 1555 Comment
  UCR123956  Madia madioides George K. Helmkamp, E. A. Helmkamp 2001-7-8 6972 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC40379  Madia sativa Linda M. Barker 1976-6-14 1592 Humboldt 3 mi. W of Arcata Comment
  CHSC68509  Maianthemum dilatatum Vernon H. Oswald 1997-4-10 8324 .1 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  UC212992  Maianthemum dilatatum Joseph P. Tracy 1920-4-25 5316 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC508511  Maianthemum dilatatum Volney Rattan 1883-6-4 s.n. Humboldt 3 miles east of Eureka Comment
  SEINET12044316  Maianthemum dilatatum H. E. Parks 1932-1 4289 Humboldt Bishop Pine Lodge, Trinidad Comment
  SBBG1057  Maianthemum racemosum H. and M. Dearing 1933-5-16 259 Humboldt Weott Comment
  HSC76425  Maianthemum racemosum subsp. amplexicaule Teresa Prendusi 1981-7-9 246 Humboldt Near Slate Creek Butte 1122 Comment
  HSC98721  Maianthemum racemosum subsp. amplexicaule Cara Witte 2008-7-11 874 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  HSC70326  Maianthemum stellatum M. A. Baker 1980-6-8 1881 Humboldt Near Buck Flat. 1554 Comment
  SDSU19200  Maianthemum stellatum Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3010 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 7.5 miles south, west 0.2 miles to Cold Spring. Ca. 0.3 mile south-southeast of Cold Spring. Ca. 3.3 aerial miles south-southeast of Horse Mtn. Radio Tower. 1401 Comment
  HSC15889  Maianthemum stellatum Gerald T. Rood 1962-5-11 4 Humboldt Kneeland Rd., 0.25 mi. E of Barry Rd. Comment
  RSA377722  Maianthemum stellatum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3509 Humboldt Alder Springs 1524 Comment
  UC303165  Malus fusca Joseph P. Tracy 1923-6-20 6304 Humboldt White Thorne Valley; Northern Coast Ranges 304 Comment
  UCD113220  Malus fusca H. E. Parks 1933-4-1 4352 Humboldt Spruce Cove, Trinidad. Comment
  HSC59708  Marah oregana Clark L. Miller 1979-5-13 2121 Humboldt N of Trinidad along Patricks Point Dr. 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
  UC1197775  Marah oregana Joseph P. Tracy 1923-6-20 6313 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC203561  Marah oregana Joseph P. Tracy 1918-7-14 5077 Humboldt Eureka Northern Coast Ranges 0 Comment
  UCD107558  Marah oregana K. Twitchell 1996-5-11 23 Humboldt Crannell, Coastal cliffs along Highway 101 at Moonstone beach access. 36 Comment
Read comments
May 8 2012
  HSC12785  Marah oregana M. J. Athey 1970-11-2 7 Humboldt Trinidad, just after Westhaven turnoff on Hwy. 101, and Havenway Comment
  UC1198477  Marah oregana Joseph P. Tracy 1940-5-17 16548 Humboldt McClellan Mt. 762 Comment
  UC1197430  Medicago arabica Joseph P. Tracy 1936-6-8 14867 Humboldt Trinidad; on bluffs 3 Comment
  UC160957  Medicago lupulina Harley P. Chandler June, 1901 1423 Humboldt Klamath River Northern Coast Ranges 304 Comment
  UCD107900  Medicago polymorpha W. Williams 1951-1 s.n. Humboldt location unknown. Comment
  HSC98040  Medicago sativa Cara Witte 2007-7-17 537 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1234 Comment
  UC552701  Melica bulbosa Joseph P. Tracy 1935-7-24 14194 Humboldt near Trinity Summit, Ranger Station; Trinity Summit 1828 Comment
  UC552700  Melica californica Joseph P. Tracy 1935-5-25 13888 Humboldt Dobbyn Creek; Northern Coast Ranges 152 Comment
  UC181238  Melica harfordii Joseph P. Tracy 1913-6-13 4116 Humboldt near summit of ridge between Van Duzen River and Mad River (on Dinsmore's Ranch); Northern Coast Ranges 1066 Comment
  HSC102218  Melica subulata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1134 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC75451  Melica subulata J. O. Sawyer 1980-7-18 3588 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC99431  Melica subulata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 80 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC526922  Melica subulata Joseph P. Tracy Jul 16 1930-Jul 19 1930 8913 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UCD88605  Melica subulata Harley P. Chandler 1901-5-1 1174 Humboldt North Coast Ranges, Humboldt Bay. 30 Comment
  HSC99607  Mentha canadensis C. B. Wolf 1927-8-22 768 Humboldt Big Lagoon Comment
  UC169909  Mentzelia laevicaulis var. laevicaulis P. E. Goddard July 1901 24 Humboldt Hupa Valley Comment
  HSC91898  Menziesia ferruginea E. Mackey 1986-5-13 Humboldt Patrick's Point State Park, Octopus Grove Comment
  CAS-BOT-BC428985  Micranthes ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt Trinity Summit. Near Ranger Station 1828 Comment
  CAS-BOT-BC348376  Micropus californicus var. californicus M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  HSC70398  Micropus californicus var. californicus M. A. Baker 1980-6-7 1838 Humboldt Near Ammon Creek 732 Comment
  UC164898  Micropus californicus var. californicus Joseph P. Tracy 1908-6-9 2653 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC582509  Micropus californicus var. californicus Joseph P. Tracy 1932-5-1 9854 Humboldt vicinity Garberville 121 Comment
  JEPS40640  Micropus californicus var. californicus Lincoln Constance 1934-6-15 891 Humboldt on summit, a few yds s of lookout Grasshopper ridge; Bull Creek, South Fork Eel River Comment
  UC1199336  Micropus californicus var. californicus Joseph P. Tracy 1927-6-5 8105 Humboldt Valley of South Yager Creek 762 Comment
  HSC6101  Microseris nutans W. K. Parks 1933-7-15 5263 Humboldt South Fork Mtn. 1677 Comment
  UC302189  Microseris nutans Joseph P. Tracy 1926-6-20 7620 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  JEPS10553  Mimulus breweri Joseph P. Tracy 1932-7-10 10375 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1115824  Mimulus breweri Joseph P. Tracy 1939-7-9 16337 Humboldt Snow Camp 1402 Comment
  JEPS25699  Mimulus guttatus P. C. Hutchison 1961-5-22 2033 Humboldt 1/2 mi above Somes Bar (Hiway 299 ca. 100 ft. from Siskiyou Co. line) Comment
  UC162580  Mimulus layneae Joseph P. Tracy 1911-7-8 3443 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC1196796  Mimulus layneae Joseph P. Tracy 1939-7-23 16531 Humboldt Willow Creek Trinity River Valley 152 Comment
  BLMAR687  Mimulus moschatus Jennifer Wheeler 2012-8-30 687 Humboldt Lacks Creek, Beaver Ridge Pond 914 Comment
  POM273194  Mimulus moschatus var. sessilifolius Lyman Benson 1929-7-19 1873 Humboldt Mouth of Matole River. Comment
  UC424834  Mimulus pilosus Milo S. Baker 1927-8-15 2438 f Humboldt near S. Fork Station; Eel R. Comment
  UC275482  Minuartia cismontana Joseph P. Tracy 1925-5-30 7040 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  HSC70389  Minuartia douglasii Gail Newton 1980-6-7 138 Humboldt Near Brush Mtn. 1128 Comment
  UC249668  Minuartia douglasii Joseph P. Tracy 1921-5-30 5487 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC4056  Minuartia douglasii D. E. Anderson 1965-5-15 3695 Humboldt 5 mi. N of Hoopa on Bald Hills Rd. Comment
  UC1103535  Minuartia pusilla Joseph P. Tracy 1904-4-24 2030 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  CAS-BOT-BC48148  Mitella caulescens Volney Rattan 1903-1-1 36 Humboldt Long Prairie Comment
  HSC41896  Mitella ovalis M. A. Baker 1977-4-23 175 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC49620  Mitella ovalis R. York 1979-4-9 212 Humboldt Behind HSU campus Comment
  HSC59448  Mitella ovalis Kenneth Clark 1979-4-2 23 Humboldt 1/4 mi. E of end of Granite Ave. above Jolly Giant Creek 46 Comment
  HSC55867  Mitella trifida G. L. Clifton, Griswold 1979-7-25 10889 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC50941  Moehringia macrophylla G. L. Clifton, Overton 1979-6-3 3764 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  HSC55106  Moehringia macrophylla G. L. Clifton 1979-7-31 11846 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC161044  Moehringia macrophylla Joseph P. Tracy 1908-6-8 2631 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCD99638  Mollugo verticillata Freed W. Hoffman 1946-8-16 1852 Humboldt in Russian River at Korbel. Comment
  HSC101619  Monardella odoratissima subsp. pallida Cara Witte 2007-6-28 390 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  HSC97456  Monardella odoratissima subsp. pallida Cara Witte 2007-6-12 240 Humboldt Horse Mountain Botanical Area. Near mine area. Forest Service Road 6N38. 1360 Comment
  CAS-BOT-BC220257  Monardella sheltonii Harley P. Chandler 1901-6-1 1522 Humboldt Klamath River 457 Comment
  SEINET13948727 Image available Monardella villosa H. Lewis 1940-1 Humboldt 1 mi N of Richardson Grove State Park Comment
  UCLA62435  Monardella villosa subsp. globosa C. Epling, Wm. Robison 1935-7-24 Humboldt Dyerville Comment
  UC577347  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15425 Humboldt Vicinity of Garberville 121 Comment
  JEPS13817  Moneses uniflora Joseph P. Tracy 1926-5-22 7515 Humboldt Northern Coast Ranges, Prairie Creek Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  RSA255779  Monotropa uniflora Gary D. Wallace 1973-7-11 1251 Humboldt Eastern part of Prairie C reek Redwoods St. Pk. 427 Comment
  SEINET3000074 Image available Montia chamissoi Joseph P. Tracy 1932-7-10 10378 Humboldt Trinity Summit, open places at Corral Prairie Comment
  RSA29091  Montia diffusa Lincoln Constance, A. A. Beetle 1940-5-17 2615 Humboldt In Shade of Cornus and Sambucus, cutover Pseudotsuga forest. Above Van Duzen River, 1 mile below Dinsmore s 762 Comment
  CAS-BOT-BC444831  Montia fontana D. E. Anderson; Thomas Nelson; S. Dowty 1972-6-14 5587 Humboldt Mt. Lassic & two smaller peaks to immediate east. 1767 Comment
  HSC98897  Montia fontana Cara Witte 2008-6-9 693 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1454 Comment
  HSC96218  Montia linearis J. McIntire, S. Lyon 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on FS Rd. NF1 1280 Comment
  CAS-BOT-BC445164  Montia parvifolia L. R. Abrams 1918-6-16 7202 Humboldt Willow Creek Comment
  HSC89420  Morella californica P. A. Daly 1986-1-4 37 Humboldt Trinidad Head 61 Comment
  UC503092  Morella californica Joseph P. Tracy 1931-5-1 9332 Humboldt Northern Coast Ranges, Downs Prairie Comment
  CAS-BOT-BC260574  Muhlenbergia filiformis Joseph P. Tracy 1932-7-14 10544 Humboldt Klamath Mountains. At Corral Prairie 1524 Comment
  CAS-BOT-BC260575  Muhlenbergia filiformis Doris K. Kildale 1925-8-17 1262 Humboldt Trinity Summit 1917 Comment
  HSC73730  Muhlenbergia filiformis M. A. Baker 1980-7-22 3093 Humboldt Near Grogan Hole. 1676 Comment
  UC1103785  Muhlenbergia filiformis H. E. Parks and Joseph P. Tracy 1934-6-27 11083 Humboldt Grouse Mt. Northern Coast Ranges 1432 Comment
  HSC59659  Myosotis sylvatica Marla J. Carollo 1979-4-10 5 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  HSC31423  Myosurus minimus Rudy Becking 1974-5-5 Humboldt Samoa dunes near USCG Station Comment
  RSA246866  Myriophyllum aquaticum Robert F. Thorne, P. C. Everett 1965-8-9 35330 Humboldt Clam Beach County Park: along highway. 3 Comment
  RSA10034  Nassella lepida Joseph P. Tracy 1933-5-20 12247 Humboldt Mattole Valley, near Petrolia 152 Comment
  UCSB30594  Nasturtium officinale Edwards, David 1974-7-30 Humboldt West side of U.S. 101, ca. 30 yds. S. of 7th St. overpass, Arcata 15 Comment
  HSC97972  Navarretia divaricata subsp. divaricata Cara Witte 2007-6-21 322 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  HSC98519  Navarretia divaricata subsp. divaricata Cara Witte 2007-6-7 235 Humboldt Brays Opening on National Forest 1. 1/2 mile north of intersection with 4N38. 1375 Comment
  UC1198599  Navarretia intertexta Joseph P. Tracy 1916-6-20 4731 Humboldt Alder Point Northern Coast Ranges 152 Comment
  UC1222720  Navarretia intertexta Joseph P. Tracy 1950-6-15 18773 Humboldt between Garberville and Harris (on the Robertson Ranch) Comment
  RSA528862  Navarretia sinistra R. Spellenberg 1990-7-10 10238 Humboldt Extreme E edge county, 11 air mi. E of Burnt Ranch at Buck Flat, at junction of USFS road 5N01 and USFS road 1, 12 mi. S of Berry Summit (on Calif. Highway 299) on USFS 1 1433 Comment
  UC1005677  Nemophila menziesii Frank W. Gould 1939-5-30 835 Humboldt about 25 mi due e Eureka (near top Horse Mountain, near ski-hut); near top Horse Mountain, e of Eureka 1100 Comment
  UC163963  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt near Hydesville; near Hydesville 60 Comment
  HSC13585  Nemophila menziesii var. atomaria T. M. Mingo May 1965 Humboldt W of Fairhaven Dr. intersection with Hwy. 101 Comment
  UC146185  Nemophila pedunculata Joseph P. Tracy 1908-6 2700 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 457 Comment
  RSA43880  Nicotiana acuminata H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  HSC98107  Noccaea fendleri subsp. glauca Cara Witte 2007-6-20 314 Humboldt Forest Service Road 5N09. 1/4 mile east of intersection with National Forest 1. 1394 Comment
  POM266039  Noccaea fendleri subsp. glauca Lincoln Constance, Reed C. Rollins 1942-5-12 2887 Humboldt Klamath River, 7 miles NE of Weitchpec. 122 Comment
  HSC90649  Nuttallanthus texanus J. Meninga, L. Watson Mar 1991 27 Humboldt Mad River Slough and dunes, Arcata, W of trail 20 ft. from parking lot Comment
  UC1039818  Oemleria cerasiformis J. I. Mallory 1956-4-27 127 Humboldt 1.5 mi w Petrolia (at head of Jeffrey Gulch); Jeffrey Gulch 167 Comment
  UC183607  Oemleria cerasiformis Joseph P. Tracy 1913-6-13 4096 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC565992  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; China Flat Quad. 182 Comment
  UC1222755  Oenanthe sarmentosa Joseph P. Tracy 1950-9-2 19348 Humboldt 2 mi. s. of town Field's Landing (edges of foothills) 6 Comment
  HSC49088  Oenothera elata subsp. hookeri Patricia Shesgreen 1978-8-12 134 Humboldt 1/2 mi. E of Samoa Cookhouse on Vance Ave., Samoa. Comment
  RSA0004549  Oenothera hookeri subsp. wolfii Carl B. Wolf, E. R. Johnson 1934-12-11 6172 Humboldt Redwood Highway just south of Trinidad. 30 Comment
  UCD106955  Oenothera wolfii D. Wiesendanger; F. Randall 1926-8-1 1544 Humboldt Near Arcata. Comment
  HSC16684  Orobanche californica subsp. californica Jerry Parker 1968-10-26 205 Humboldt Big Lagoon, dredged sand-spit opposite Sphagnum bog. Comment
  HSC55013  Orthilia secunda G. L. Clifton 1979-7-31 11395 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1197565  Orthilia secunda Joseph P. Tracy 1919-9-18 5251 Humboldt Trinity Summit 1524 Comment
  RSA0006077  Orthocarpus castillejoides var. humboldtiensis Philip A. Munz 1925-6-20 9890 Humboldt Eureka. Comment
  SEINET12270144  Orthocarpus imbricatus J. P. Tracy 1951-1 19562 Humboldt halfway between Snow Camp & Twin Lakes Comment
  HSC55999  Osmorhiza berteroi Overton, Butler 1979-7-31 11444 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC56138  Osmorhiza berteroi G. L. Clifton, Terry Griswold 1979-8-1 11959 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC314579  Osmorhiza berteroi Joseph P. Tracy 1923-6-19 6291 Humboldt Upper Mattole Valley Northern Coast Ranges 152 Comment
  UCR123963  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6973 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC56049  Osmorhiza occidentalis G. L. Clifton, Terry Griswold 1979-7-31 11645 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC27853  Oxalis oregana Clifton Raymond Chesbrough 1973-6-19 59 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  UC14238  Oxalis oregana Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  UCD110986  Oxalis oregana K. Twitchell 1996-5-11 24 Humboldt Crannell, coastal cliffs along old Highway 101 at Moonstone beach access. 36 Comment
  UCR123951  Oxalis oregana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6976 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  POM186936  Oxalis oregana Marcus E. Jones 1931-7-14 28949 Humboldt South of Eureka Comment
  UC34654  Packera bolanderi var. bolanderi Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC1103780  Panicum acuminatum var. acuminatum Joseph P. Tracy 1923-6-17 6265 Humboldt Dows Prairie; Northern Coast Ranges, Dows Prairie 60 Comment
  UC187238  Panicum capillare Joseph P. Tracy 1908-6 2929 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCD89396  Panicum capillare A. H. Christensen 1916-10-1 s.n. Humboldt Humboldt County. Comment
  UC1103770  Panicum miliaceum subsp. miliaceum J. C. Tario Jr. 1931-8-20 Humboldt Eureka 30 Comment
  CHSC69504  Parentucellia viscosa Vernon Oswald; Lowell Ahart 1997-9-4 8855 Humboldt Samoa Dunes Recreation Area at the south end of the North Split separating Humboldt Bay from the ocean. Near sea level. Comment
  RSA181631  Parentucellia viscosa Doris K. Niles 1950-6-1 7 Humboldt Island in Eel River, Niles field. Comment
  UC249859  Paspalum distichum Joseph P. Tracy 1924-8-31 6842 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges, Klamath River at Bluff Creek 91 Comment
  HSC54592  Paxistima myrsinites Overton, Butler 1979-7-24 9660 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC20922  Pedicularis densiflora P. W. Shields May 1955 Humboldt 5 mi. W of Willow Creek Comment
  UC1326266  Pedicularis racemosa Milo S. Baker 1947-8-10 11904 Humboldt along trail to Trinity Summit from end of Forest Road from Hoopa 1432 Comment
  UC582554  Pedicularis racemosa Joseph P. Tracy 1930-7-16 8917 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC24382  Penstemon anguineus J. O. Sawyer 1970-6-24 2255 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  UC1198048  Penstemon anguineus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  HSC96250  Penstemon laetus subsp. sagittatus Laurel Goldsmith, Wanda Naylor 2005-6-15 11 Humboldt 1 mi. SE of Grouse Mtn. on unnamed F.S. road 1400 Comment
  HSC76254  Penstemon newberryi Teresa Prendusi 1981-7-21 286 Humboldt Near Whiteys Peak 1646 Comment
  HSC102618  Penstemon newberryi var. berryi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1605 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC99527  Penstemon newberryi var. berryi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 191 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  JEPS15454  Penstemon newberryi var. berryi Hilda W. Grinnell 1932-7-9 2 Humboldt McKay Camp South Fork Mountain Comment
  JEPS26260  Penstemon newberryi var. berryi Joseph P. Tracy 1933-7-16 12786 Humboldt South Fork Mountain, near McKay Camp Northern Coast Ranges 1676 Comment
  UC168978  Penstemon newberryi var. berryi Joseph Burtt Davy and Walter C. Blasdale Jun 21-23 1899 5860 Humboldt Trinity Summit North Coast Ranges Comment
  HSC99528  Penstemon procerus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 192 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  HSC63142  Penstemon procerus var. brachyanthus M. A. Baker 1979-6-27 932 Humboldt E of Oregon Creek, at the head of Grogan Hole Comment
  UC146247  Penstemon rattanii Joseph P. Tracy 1906-6-10 2480 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC35616  Perideridia oregana Thomas W. Nelson, B. Reinhardt 1975-7-30 2113 Humboldt E of Pilot Rock Comment
  HSC73872  Perideridia parishii subsp. latifolia Gail Newton 1980-7-14 1459 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC17528  Persicaria maculosa W. L. Jepson 1921-8-7 9334 Humboldt Stone Lagoon Comment
  SEINET3926008  Persicaria maculosa Norman Dennis 1965-6-8 109 Humboldt Samoa Peninsula along the west side of Humboldt Bay.; 0 Comment
  CHSC114378  Persicaria wallichii B. Villegas; Bruce Bryan 2009-10-6 Humboldt Near Trinidad; Patricks Point Drive at Seawood Drive, east of Hwy 101. 91 Comment
  CDA8459  Petasites frigidus var. palmatus E. C. Whitney 1964-4-1 Humboldt Kneeland. 0 Comment
  BLMAR423  Phacelia bolanderi Jennifer Wheeler 2007-9-5 423 Humboldt Red Mountain, oil drum road near culvert 1219 Comment
  HSC65662  Phacelia bolanderi J. P. Smith, Steve Selva 1970-6-14 3821 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  JEPS1443  Phacelia bolanderi W. L. Jepson 1902-6 1910 Humboldt Hubbard's Station to Camp Grant (cliffs of river); Eel River 60 Comment
  JEPS1446  Phacelia bolanderi Milo S. Baker 1923-7-10 1 Humboldt hwy s Garberville Comment
  POM287461  Phacelia bolanderi Lyman Benson 1928-7-12 484 Humboldt Woods across South Fork Eel River from Weott Ranger Station; seaward north coast mt. range. 61 Comment
  RSA75339  Phacelia bolanderi F. W. Peirson 1928-7-4 7959 Humboldt On banks of Eel River at Robinson s Grove. Comment
  SEINET3119233 Image available Phacelia bolanderi Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15225 Humboldt Bolling Grove State Park. Comment
  UC1222903  Phacelia californica Joseph P. Tracy 1950-6-8 18763 Humboldt e slope from summit Domingo Hill (near Petrolia) Comment
  HSC96240  Phacelia heterophylla subsp. virgata Kaylea Eickhoff, Cara M. Witte 2005-6-8 6 Humboldt 1.7 mi. S of Hwy. 299 on Titlow Hill Rd. 980 Comment
  HSC75450  Phacelia mutabilis J. O. Sawyer 1980-7-18 3587 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC98826  Phacelia mutabilis Cara Witte 2008-7-16 915 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  HSC13670  Phacelia nemoralis subsp. oregonensis D. E. Anderson 1963-3-16 2391 Humboldt Scotia Bluffs Comment
  JEPS2230  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1936-6-9 14876 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UCD88167  Phalaris aquatica J. W. Logan 1926-6-2 s.n. Humboldt Ferndale. Rusk Ranch. Plot near house. Comment
  UCD88168  Phalaris aquatica J. W. Logan 1926-6-2 5 Humboldt Ferndale. Rusk Ranch. Comment
  RSA245301  Phalaris californica D. E. Anderson 1970-6-14 5125 Humboldt near Maple Creek School about 2 miles southeast of junction of Maple Creek Rd. and Butler Valley Rd. Comment
  UCSC000088  Phalaris californica H. L. Person 1932-5-11 s.n. Humboldt near Arcata - Eureka 15 Comment
  HSC81658  Philadelphus californicus Thomas W. Nelson, Jane P. Nelson 1980-7-13 6063 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  CAS-BOT-BC76559  Philadelphus lewisii H. E. McMinn 1922-8-4 339 Humboldt Along Van Duzer River. Comment
  UC11456  Philadelphus lewisii C. C. Marshall 1888-1 Humboldt Comment
  UC666825  Philadelphus lewisii Joseph P. Tracy 1937-6-20 15355 Humboldt ten mi up stream from mouth; Bear River 152 Comment
  RSA0046937  Philadelphus lewisii Doris K. Kildale 1927-7-2 3661 Humboldt Redwood Creek at Berry s. Comment
  RSA0057780  Philadelphus lewisii Jane Turner, Francis M. Ball 1962-7-10 1145 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  UC184148  Phleum alpinum Joseph P. Tracy 1912-7-26 3869 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  RSA53856  Phleum pratense Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. Trail 1524 Comment
  HSC71667  Phlox adsurgens Gail Newton 1980-6-24 554 Humboldt Near Ladder Rock 1500 Comment
  HSC55604  Phlox diffusa Overton, Butler 1979-7-23 9428 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC1222725  Phlox gracilis Joseph P. Tracy 1950-5-7 18648 Humboldt head of Valley of South Yager Creek Valley of South Yager Creek 762 Comment
  CAS-BOT-BC452023  Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC140584  Physocarpus capitatus Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC140585  Physocarpus capitatus Doris K. Kildale 1926-3-26 1651 Humboldt Old Fortuna Road 30 Comment
  CAS-BOT-BC73448  Picea sitchensis Ira L. Wiggins 1932-6-18 5870 Humboldt Hillside just north of mouth of Little River. Comment
  UC55647  Picea sitchensis J. P. Tracy 1901-2-3 Humboldt immediate vicinity of Eureka 0 Comment
  UCD134309  Picea sitchensis Linda M. Barker 1976-4-13 1376 Humboldt Lanphere-Christensen Dunes, coastal forest and dunes 3 miles west of Arcata. Comment
  CAS-BOT-BC78288  Pinus attenuata A. A. Heller 1917-7-7 12811 Humboldt Alder Springs grade below Rattlesnake [spring] Spring Comment
  CAS-BOT-BC78374  Pinus contorta L. R. Abrams 1916-7-18 6352 Humboldt Arcata to Trinidad Comment
  CAS-BOT-BC78979  Pinus muricata Doris K. Kildale 1927-3-27 2998 Humboldt on highway 1 mile north of Trinidad Comment
  HSC98866  Pinus ponderosa var. ponderosa Cara Witte 2008-7-1 787 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  POM21740  Pinus sabiniana M. H. Manning 1902-05 340 Humboldt Hupa. Comment
  RSA273298  Piperia transversa J. D. Ackerman 1974-8-13 404 Humboldt Ca. 2 miles north of Manila, between sand dunes and Mad River Slough Comment
  HSC102544  Piperia unalascensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1534 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC98975  Piperia unalascensis Cara Witte 2008-7-7 834 Humboldt Horse Mountain Botanical Area. 1/4 mile east of intersection National Forest 1, Forest Service Roads 6N36 and 6N38. 1415 Comment
  SEINET12075193  Piperia unalascensis H. P. Chandler 1901-1 1385 Humboldt North Coast Ranges, Hupa [Hoopa Valley] Indian Reservation 305 Comment
  CAS-BOT-BC227973  Plagiobothrys Doris K. Kildale 1926-6-4 2095 Humboldt Big Lagoon Comment
  CAS-BOT-BC227992  Plagiobothrys Doris Kildale Gillespie 1931-6-7 10647 Humboldt South Fork Mountain, Blake Lookout 1726 Comment
  UC1239573  Plagiobothrys bracteatus Joseph P. Tracy 1919-5-31 5152 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC75440  Plagiobothrys hispidulus J. O. Sawyer 1980-7-18 3594 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  SBBG28861  Plagiobothrys reticulatus H. E. Parks -Jul-1937 24042 Humboldt Spruce Cove, Trinidad 64 Comment
  UC1239569  Plagiobothrys reticulatus Joseph P. Tracy 1909-5-23 2972 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  UC1222209  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-28 17270 Humboldt roadside near Murphy Meadows (Bald Mountain (e of Korbel)); Bald Mountain Comment
  UC1222219  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-12 17112 Humboldt Prairie Creek at the prairie at Elk Grove; Prairie Creek, Elk Grove Comment
  UC184235  Plagiobothrys reticulatus Joseph P. Tracy 1909-7-4 3009 Humboldt at Eureka; Northern Coast Region, Eureka 0 Comment
  UC1222208  Plagiobothrys scouleri Joseph P. Tracy 1948-6-13 18032 Humboldt between Bridgeville and Blocksburg (on Larrabee Creek road) Comment
  UC54757  Plagiobothrys tenellus Harley P. Chandler May, 1901 1087 Humboldt Harris 609 Comment
  JEPS68131  Plagiobothrys tenellus Joseph P. Tracy 1932-5-17 10070 Humboldt Redwood Creek, at Berry's Northern Coast Ranges 274 Comment
  HSC34459  Plantago erecta J. P. Smith, J. O. Sawyer 1975-5-11 8084 Humboldt Samoa Peninsula, just N of The Coast Guard Station boundary. Comment
  RSA178585  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Ridge. Comment
  CHSC31323  Plantago lanceolata Mark Stopher 1980-6-4 90 Humboldt Along Elk River near Rte 101 bridge. 1 Comment
  RSA245522  Plantago lanceolata Larry E. DeBuhr 1973-4-23 988 Humboldt Richardson Grove Redwood State Park. Comment
  RSA246721  Plantago major Robert F. Thorne, Percy C. Everett 1965-8-8 35233 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC67527  Plantago maritima J. P. Smith 1970-6-7 3813 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  RSA412592  Plantago purshii var. oblonga H. M. Pollard 1947-8-23 s.n. Humboldt Air Landing Field, west of Orleans. Comment
  POM312378  Plantago subnuda Malcolm A. Nobs, S. Galen Smith 1949-8-3 1188 Humboldt Southern outskirts of Eureka Comment
  HSC55103  Platanthera dilatata G. L. Clifton 1979-7-31 11835 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC54595  Platanthera dilatata var. leucostachys Overton, Butler 1979-7-24 9669 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC47999  Platanthera sparsiflora Brad Klipfel 1975-6-17 673 Humboldt Comment
  HSC16799  Platystemon californicus P. N. Slattery 1963-4-27 42 Humboldt Clam Beach Comment
  HSC59485  Platystemon californicus M. A. Ericksen 1979-4-29 240 Humboldt 0.4 mi. N of Coast Guard Station, Samoa Peninsula. Comment
  UC1196297  Platystemon californicus H. E. Parks and Joseph P. Tracy 1930-5-25 8718 Humboldt Larrabee Valley; Northern Coast Ranges, Larrabee Valley 670 Comment
  UC35089  Platystemon californicus W. C. Blasdale 1896-6-2 Humboldt W. Eureka Comment
  CAS-BOT-BC91634  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt Northern Coast Region.. Humboldt Bay. Comment
  UC146098  Platystemon californicus Joseph P. Tracy 1904-5-1 2046 Humboldt near Bucksport (region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  UC169077  Plectritis brachystemon Harley P. Chandler May, 1901 1149 B Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  UC602530  Plectritis brachystemon Joseph P. Tracy 1936-5-29 14823 1/2 Humboldt French Camp Ridge 1066 Comment
  HSC96284  Plectritis congesta subsp. congesta J. Breton, A. Livingston 2005-6-8 5 Humboldt 2.0 mi. S of Hwy. 299 on Titlow Rd. 1032 Comment
  HSC63844  Pleuricospora fimbriolata M. A. Baker 1979-6-29 953 Humboldt 900 Comment
  HSC10620  Poa annua R. D. Zortman 1963-3-15 46 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  HSC40866  Poa annua Linda M. Barker 1976-4-30 1399 Humboldt 3 mi. W of Arcata Comment
  HSC73731  Poa bolanderi M. A. Baker 1980-7-19 3009 Humboldt Near Bret Hole. 1814 Comment
  UC526847  Poa bolanderi Joseph P. Tracy 1934-7-18 13435 Humboldt Grouse Mt 1524 Comment
  OBI35877  Poa douglasii David J. Keil 1983-7-1 17286 Humboldt Ca. 5 mi NW of Petrolia along Mattlole Rd Comment
  SEINET236442 Image available Poa howellii Joseph P. Tracy 1906-6-10 2486 Humboldt Kneeland Prairie. 762 Comment
  UCD91137  Poa howellii A. Murphy 1951-3-27 s.n. Humboldt on Eel River near Ft. Seward, south bank. SE part of county. Comment
  HSC10722  Poa kelloggii E. W. Styskel 1963-4-20 17 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 305 Comment
  UCD91548  Poa macrantha Joseph P. Tracy 1947-7-3 17766 Humboldt at mouth of Little River. 6 Comment
  RSA44525  Poa pratensis Henry M. Pollard 1948-7-17 s.n. Humboldt Orleans. Comment
  UC1132739  Poa pratensis subsp. pratensis H. L. Person 1932-5-11 Humboldt Arcata; Eureka Quadrangle Comment
  UC552763  Poa pratensis subsp. pratensis Joseph P. Tracy 1935-6-23 13987 Humboldt French Camp Ridge 1066 Comment
  POM204850  Poa secunda W. C. Blasdale, Jos Burtt Davy 1899-6-19 5658 Humboldt Hoopa Summit Comment
  UC1103167  Poa secunda subsp. secunda Joseph P. Tracy 1927-6-12 8143 Humboldt Horse Mt; Northern Coast Ranges 1524 Comment
  UCD92047  Poa secunda subsp. secunda Joseph P. Tracy 1951-6-26 19543 Humboldt 2 miles W of the Snow Camp. At Beck's Place, Hydesville. (Same place from which Mr. Murphy's (UC Davis) test plots of this species were taken). 1219 Comment
  HSC10805  Poa trivialis William J. Ferlatte 1963-5-6 35 Humboldt Arcata, near 11th and B Sts. Comment
  HSC99415  Poa trivialis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 64 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UCD92123  Poa unilateralis A. A. Beetle 1940-5-19 3612 Humboldt near H.E. Parks Reservoir, California coast. Comment
  UC153996  Pogogyne serpylloides Joseph P. Tracy 1908-6-7 2621 Humboldt at Butter Valley on Mad River 152 Comment
  JEPS69885  Polemonium carneum Joseph P. Tracy 1928-5-20 8440 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC162581  Polemonium carneum Ethel Tracy 1911-6-18 Humboldt near Big Lagoon; Northern Coast Ranges, near Big Lagoon 30 Comment
  CDA3404  Polycarpon tetraphyllum Gordon Leppig, Sylvia Leppig 2000-12-7 1524 Humboldt 10th and I Streets, Arcata. Comment
  HSC17225  Polygala californica J. Wendell Howe 11 May [year missing] Humboldt Kneeland Comment
  UC183759  Polygala californica Joseph P. Tracy 1912-6-9 3667 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC64167  Polygala cornuta J. O. Sawyer, K. A. Sawyer 1979-6-24 3411 Humboldt Slopes alongside Aikens Creek. 366 Comment
  UC1116243  Polygonum californicum Joseph P. Tracy 1942-9-6 17305 Humboldt opposite Buck Mountain; Van Duzen River, Dinsmore's 762 Comment
  JEPS50522  Polygonum convolvulus Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  HSC55221  Polygonum douglasii Walter Overton 1979-8-1 12393 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  SEINET3405782 Image available Polygonum douglasii Joseph P. Tracy 1947-8-24 17922 Humboldt Trinity Summit; Gravelly slopes on Box Camp trail Comment
  HSC75441  Polygonum minimum J. O. Sawyer 1980-7-18 3608 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  SD117464  Polygonum paronychia Robert F. Thorne 1974-7-29 45080 Humboldt Samoa Dunes Comment
  UC1101120  Polygonum persicaria Malcolm A. Nobs and S. Galen Smith 1949-8-9 1233 Humboldt Town of Blue Lake; marshy pond on s side Comment
  UC1198082  Polygonum persicaria Joseph P. Tracy 1912-10-20 3990 Humboldt near Loleta Pond; Northern Coast Ranges, Eel R. Valley 15 Comment
  HSC98594  Polygonum phytolaccifolium Cara Witte 2007-7-11 506 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  RSA20960  Polygonum polystachyum Carl B. Wolf 1937-9-12 9334 Humboldt SW side of Eureka bordering Humboldt Bay 3 Comment
  HSC98972  Polygonum sawatchense subsp. sawatchense Cara Witte 2008-7-2 799 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  CAS-BOT-BC421006  Polygonum spergulariiforme Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1219 Comment
  SEINET3404070 Image available Polygonum spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain, Jeffrey Pine Comment
  UCD136880  Polypodium glycyrrhiza Linda M. Barker 1976-2-22 1313 Humboldt 3 miles west of Arcata. Comment
  BLMAR55  Polypodium glycyrrhiza Jennifer Anthony-Wheeler 1994-2-23 55 Humboldt Samoa/manilla dunes, growing in samoa Dunes Rare Plant Area as part of dense mat covering 12 Comment
  CAS-BOT-BC76842  Polypodium glycyrrhiza Ira L. Wiggins 1957-6-20 14134 Humboldt Forest, east side of highway, Trinidad. Comment
  CAS-BOT-BC76843  Polypodium glycyrrhiza Carl D. Duncan 1920-9-22 s.n. Humboldt Supply Creek, Hoopa Comment
  JEPS33247  Polypodium glycyrrhiza Lincoln Constance 1934-5-31 748 Humboldt Bull Creek Region, S. Fork Eel R. Comment
  UC1472770  Polypodium scouleri Mrs. Carlotta C. Hall 1924-8-10 233 Humboldt 10 mi above Carlotta (along Van Duzen River, on rd. to Redding) Comment
  UC1103193  Polypogon interruptus Joseph P. Tracy 1927-8-7 8320 1/2 Humboldt opposite mouth of Willow Creek Lack Pond (in Trinity River Valley); Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC526770  Polypogon interruptus Joseph P. Tracy 1927-7-16 8261 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC526771  Polypogon interruptus Joseph P. Tracy 1927-7-16 8260 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  SEINET200579 Image available Polypogon maritimus J. P. Tracy 1930-10-19 9236 Humboldt Eel River on gravel bars Alton to Fortuna 0 Comment
  HSC62871  Polypogon monspeliensis J. M. DiTomaso 1979-4-21 887 Humboldt Clam Beach. Comment
  UC1100381  Polypogon monspeliensis Malcolm A. Nobs and S. Galen Smith 1949-8-3 1176 Humboldt salt marshes around Fields Landing; around Fields Landing Comment
  UC906712  Polystichum Harold E. Parks and Joseph P. Tracy 1942-5-16 11547 Humboldt half way between Miranda and Garberville 152 Comment
  HSC73875  Polystichum imbricans M. Baker 1980-7-15 2952 Humboldt Near Whiting Ridge 1341 Comment
  HSC76356  Polystichum imbricans Denis Kearns 1981-7-8 148 Humboldt Near Bluff Creek 622 Comment
  UC519314  Polystichum imbricans subsp. imbricans Joseph P. Tracy 1933-6-13 12596 Humboldt near summit on rd w from Hoopa to Bair's Hoopa Mt.; Northern Coast Ranges 1066 Comment
  HSC79450  Polystichum munitum Kenneth Clark 1980-6-14 674 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  SEINET11719548  Polystichum munitum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -292 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC249849  Polystichum munitum Joseph P. Tracy 1924-8-24 6828 Humboldt E Fork Willow Creek; Northern Coast Ranges 457 Comment
  HSC31655  Populus trichocarpa Timothy B. Devine 1974-5-4 325 Humboldt Mad River floodplain 1 mi. from Blue Lake on Hatchery Rd. 305 Comment
  UC1103514  Potamogeton foliosus Joseph P. Tracy 1923-5-30 6247 Humboldt pond at mouth of Little River; Northern Coast Ranges 1 Comment
  CAS-BOT-BC453764  Potamogeton natans Doris K. Kildale 1926-6-6 2124 Humboldt Gold Bluffs Comment
  CAS-BOT-BC453765  Potamogeton natans L. R. Abrams 1916-7-18 6094 Humboldt Arcata to Trinidad Comment
  HSC17759  Potamogeton nodosus Rollin Sparrowe 1962-4-7 11 Humboldt Clam Beach Lagoons off Hwy. 101 Comment
  SEINET8475344 Image available Potamogeton pusillus subsp. tenuissimus S. K. Harris 1938-9-12 Humboldt Eel River, near Fernbridge Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  HSC36106  Potentilla anserina subsp. pacifica Otis Weimer 1973-10-16 731010 .5 Humboldt On Lindsay Creek Marsh 4 mi. N of Hwy. 299 on Fieldbrook Rd. Comment
  SBBG980  Prosartes hookeri H. and M. Dearing 1933-5-16 254 Humboldt Weott Comment
  UCD139801  Prosartes hookeri Victor Duran 1933-5-12 3413 Humboldt Dyerville, South Fork of Eel River. Comment
  HSC15478  Prosartes smithii H. E. Parks, S. T. Parks 1952-5 24452 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC22499  Prunella vulgaris F. D. Jamison 1967-7-16 5 Humboldt From jct. of Bayview Rd. 2 1/4 mi. up Fickle Hill Rd. Comment
  HSC81963  Prunella vulgaris subsp. lanceolata Thomas W. Nelson, Jane P. Nelson 1979-7-3 4946 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC449938  Prunella vulgaris var. lanceolata Mrs. M. H. Manning 1900-1 Humboldt near Hupa; near Hupa Comment
  UC153993  Prunella vulgaris var. lanceolata Joseph P. Tracy 1909-8-29 3081 Humboldt Humboldt Hill; Northern Coast Region, region about Humboldt Bay, Humboldt H 0 Comment
  CAS-BOT-BC159975  Prunus emarginata Doris K. Kildale 1927-5-14 3290 a Humboldt Big Lagoon Comment
  CAS-BOT-BC159983  Prunus emarginata Doris K. Kildale; L. B. Kildale 1930-5-5 9554 Humboldt Bug Creek, Chaparral Mt. Comment
  HSC57014  Prunus emarginata Overton, Butler 1979-7-24 9614 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  POM89158  Prunus emarginata Joseph P. Tracy 1920-11-7 5410 Humboldt Around Humboldt Bay. Mad River at Lindsey Creek. 30 Comment
  UC1198774  Prunus emarginata Joseph P. Tracy 1928-4-29 8420 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 60 Comment
  HSC99391  Prunus emarginata var. emarginata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 40 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC154737  Prunus virginiana var. demissa H. E. McMinn 1922-8-5 356 Humboldt Along Van [Dusen] Duzen River Comment
  UC582512  Pseudognaphalium californicum Joseph P. Tracy 1937-7-11 15415 Humboldt vicinity Garberville 121 Comment
  UC582515  Pseudognaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UCD134980  Pseudognaphalium ramosissimum Linda M. Barker 1976-8-2 1678 Humboldt 3 miles west of Arcata. Comment
  UC31991  Pseudognaphalium stramineum C. C. Marshall 1888-1 Humboldt Comment
  CAS-BOT-BC80109  Pseudotsuga menziesii Doris K. Kildale 1927-4-17 3092 Humboldt Briceland Bridge 1/2 mi. west of Garberville 114 Comment
  UC1199361  Psilocarphus tenellus Joseph P. Tracy 1915-6-27 4661 Humboldt near Carlotta; Northern Coast Ranges, Yager Creek 60 Comment
  UC1222913  Psilocarphus tenellus Joseph P. Tracy 1946-6-23 17597 Humboldt se end Kneeland Prairie (near the old Dan McBride place) 762 Comment
  SEINET4207976  Psoralea physodes Thomas Nelson, Jane Nelson 1977-7-1 3573 Humboldt Growing on dry road cut along road 2S08 below Goat Hill.; 0 1524 Comment
  HSC79440  Pteridium aquilinum var. pubescens Kenneth Clark 1980-6-14 675 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  RSA275352  Pteridium aquilinum var. pubescens J. P. Smith, Steve Selva 1970-6-14 3855 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  UC503059  Pteridium aquilinum var. pubescens Joseph P. Tracy 1932-7-20 10732 Humboldt Corral Prairie Trinity Summit; Klamath Mts 1524 Comment
  UC642279  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-4-28 8549 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  RSA47165  Pyrola asarifolia subsp. bracteata Doris K. Kildale 1927-7-10 3730 Humboldt Gans Prairie, Bald Mountain Comment
  HSC98084  Pyrola dentata Cara Witte 2007-7-10 474 Humboldt Horse Mountain Botanical Area. Forest service Road 6N36A. 1334 Comment
  JEPS58815  Pyrola dentata Joseph P. Tracy 1926-6-6 7564 Humboldt Hoopa Mountain. On road West from Hoopa Valley, Northern Coast Ranges 914 Comment
  HSC41260  Pyrola dentata Brad Klipfel 1974-7-23 452 Humboldt Horse Mtn., N of the towers Comment
  CAS-BOT-BC466038  Pyrola picta L. B. Kildale 1930-8-3 10364 Humboldt Chaparral Mt. near Bug Creek 914 Comment
  UC203862  Quercus chrysolepis Joseph P. Tracy 1918-9-29 5109 Humboldt 4 mi above mouth of South Fork Eel River; North Coast Ranges, South Fork Eel River 60 Comment
  UCR32154  Quercus chrysolepis David J. Keil 1983-7-1 17275 Humboldt North Coast Range, Bull Creek Flats Road, 2.5 mi. NE of Honeydew Comment
  SEINET13953254 Image available Quercus chrysolepis R. Earing, C. Cavanaugh, C. Collins 1987-1 109 Humboldt Grays Falls campground approximately 10 miles E. of Willow Creek on highway 299 along the trinity river. Comment
  UC667989  Quercus garryana Joseph P. Tracy 1935-7-14 14090 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  CAS-BOT-BC62728  Quercus garryana var. breweri Doris K. Kildale 1926-8-22 2573 Humboldt Bald hills, near Tomlinson's 716 Comment
  HSC99122  Quercus garryana var. garryana Cara Witte 2008-9-13 1041 Humboldt Forest Service Road 4N38. 1/2 mile south of intersection to Tri Board Camp. 1506 Comment
  CAS-BOT-BC105167  Quercus kelloggii Doris K. Kildale 1928-4-29 5972 Humboldt Horse Mountain Comment
  HSC8259  Quercus kelloggii D. E. Anderson 1961-9-30 1835 Humboldt Comment
  SEINET3823284 Image available Quercus sadleriana Joseph P. Tracy 1947-8-24 17909 Humboldt Trinity Summit, Box Camp 1524 Comment
  SEINET200362  Ranunculus J. P. Tracy 1921-7-31 5861 Humboldt Fortuna 30 Comment
  SEINET13716690  Ranunculus alismifolius var. alismellus Unknown 1942-6-23 17256 Humboldt Trinity Summit Open ridges near Water-dog Lakes. Comment
  CAS-BOT-BC379173  Ranunculus aquatilis var. aquatilis Joseph P. Tracy 1937-5-30 15311 Humboldt Larrabee Creek; in shallow pond near Bosworth's 366 Comment
  CAS-BOT-BC379200  Ranunculus aquatilis var. aquatilis Volney Rattan 1879-1-1 s.n. Humboldt Ferndale Comment
  UC162922  Ranunculus californicus Joseph P. Tracy 1911-5-27 3191 Humboldt Humboldt Bay Northern Coast Region (sand dunes of beach) Comment
  RSA273369  Ranunculus flammula J. O. Sawyer 1977-4-25 3043 Humboldt Along N side of Buttermilk lane Sunnybrae. Across the street from 1425 Buttermilk Lane Comment
  POM269620  Ranunculus flammula var. ovalis Joseph P. Tracy 1937-5-30 15312 Humboldt In Shallow pond near Bosworth's, alt 1200ft. Larrabee Creek. Comment
  BLMAR637  Ranunculus occidentalis Jennifer Anthony-Wheeler 2011-6-21 637 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  SEINET6908794  Ranunculus occidentalis var. occidentalis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  UC1196256  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1912-6-2 3641 Humboldt Eureka Northern Coast Region 0 Comment
  HSC98760  Ranunculus orthorhynchus var. platyphyllus Cara Witte 2008-7-2 824 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  UC1196263  Ranunculus parviflorus Joseph P. Tracy 1942-6-2 17110 Humboldt roadside 2 mi n Bridgeville 457 Comment
  RSA554594  Ranunculus repens Walter Wisura 1993-5-9 4912 Humboldt Hwy 255 W of Arcata. Comment
  HSC29783  Ranunculus repens var. repens Thomas W. Nelson 1970-6-11 602 Humboldt Adjacent to 4244 Fairway Dr., Eureka Comment
  UC1193393  Rhamnus californica R. H. Neuns 1950-10-9 134 Humboldt near Thorne 609 Comment
  HSC7879  Rhododendron macrophyllum G. T. Nordstrom 1966-5-4 25 Humboldt Kneeland- Maple Creek road, 1/8 mi. W of the jct. with Fickle Hill rd. Comment
  UC604662  Rhododendron occidentale Joseph P. Tracy 1938-7-5 16014 Humboldt 4 mi s of Eureka (Spruce Point at junction of Humboldt Hill road with highway); Spruce Point 9 Comment
  CAS-BOT-BC433130  Ribes Doris K. Kildale 1927-5-15 3298 Humboldt Petrolia Comment
  HSC40801  Ribes binominatum Thomas W. Nelson 1976-7-9 2972 Humboldt W side of Red Lassic 1707 Comment
  HSC37423  Ribes bracteosum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 513 Humboldt Along Lost Man Creek. 38 Comment
  CAS-BOT-BC108908  Ribes divaricatum var. pubiflorum Doris K. Kildale 1926-3-14 1532 Humboldt Blue Slide - on Van Duzen River. Comment
  UC154121  Ribes divaricatum var. pubiflorum J. P. Tracy 1901-4-14 1027 Humboldt opp. Eureka (ocean beach at Samoa); Samoa Comment
  JEPS25431  Ribes inerme var. klamathense Joseph P. Tracy 1941-3-26 16813 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  HSC58055  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11921 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  UC154120  Ribes lobbii Joseph P. Tracy 1908-6 2875 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC212478  Ribes marshallii Doris K. Kildale 1925-8-18 1204 Humboldt Trinity Summit 1917 Comment
  CAS-BOT-BC206034  Ribes menziesii Alice Eastwood 1907-4-21 13 Humboldt Port Trinidad Comment
  CAS-BOT-BC206035  Ribes menziesii Alice Eastwood 1921-7-21 10654 Humboldt Carlotta Comment
  UC1198928  Ribes menziesii Joseph P. Tracy 1933-3-12 10920 Humboldt Ferndale North Coast Ranges 30 Comment
  UC1198929  Ribes menziesii Joseph P. Tracy 1936-3-22 14783 Humboldt 4 mi se Korbel (Angel's Ranch) 457 Comment
  HSC58052  Ribes nevadense G. L. Clifton, Griswold 1979-8-1 11918 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC71590  Ribes roezlii M. A. Baker 1980-6-26 2397 Humboldt Near Sims Creek 610 Comment
  JEPS49186  Ribes roezlii W. L. Jepson 1902-6-19 1889 Humboldt near Garberville; Ft. Seward Ranch Ridge (= Mail Ridge) 1066 Comment
  UCD39983  Ribes roezlii Rodney Gale Myatt 1971-9-21 1188 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  RSA0024753  Ribes roezlii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5594 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  UC902113  Ribes roezlii var. cruentum Joseph P. Tracy 1949-8-11 18449 Humboldt e Korbel (at Hungry Hollow); Bald Mountain 762 Comment
  RSA0024581  Ribes roezlii var. cruentum Carl B. Wolf 1941-2-26 9965 Humboldt 1.4 miles below Weitchpec on road to Klamath River. 305 Comment
  RSA0024585  Ribes roezlii var. cruentum Peter H. Raven, Richard Snow 1958-7-20 13630 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  CAS-BOT-BC212524  Ribes sanguineum Pat Daly; Rudy Galindo 1988-4-30 85 Humboldt Titlow Road and Hwy. 299 853 Comment
  CAS-BOT-BC212525  Ribes sanguineum J. H. Thomas 1949-6-13 914 Humboldt Along trail between Le Perron Flat and Whiteys Peak, Six Rivers National Forest, east of town of Orleans. 1371 Comment
  HSC38949  Ribes sanguineum J. P. Smith, J. O. Sawyer 1975-6-22 8209 Humboldt Six Rivers National Forest, W of Goat Hill Comment
  UC1039819  Ribes sanguineum J. I. Mallory 1956-4-27 126 Humboldt 1.5 mi w Petrolia (at head of Jeffrey Gulch, Humboldt base and Mer.); Quad. 28-B4 167 Comment
  UC709454 Image available Ribes sanguineum Joseph P. Tracy 1941-4-8 16852 Humboldt Trinity Highway Willow Creek Canyon 762 Comment
  RSA0018244  Ribes sanguineum S. Ganley 1971-5-29 661 Humboldt Highway 299, along Trinity River. 457 Comment
  HSC13252  Ribes sanguineum var. glutinosum D. E. Anderson 1962-1-12 1907 Humboldt Along road to Lanphere's Comment
  UC1198912 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1912-3-31 3563 Humboldt near mouth Lindsey Creek; Northern Coast Ranges 30 Comment
  BLMAR270  Ribes sanguineum var. sanguineum Jennifer Anthony-Wheeler 1999-7-30 270 Humboldt Lacks Creek, growing in Hupa mt quad 1219 Comment
  HSC100719  Ribes viscosissimum Carl C. Marshall Jun 1886 325 Humboldt Trinity Summit. Comment
  HSC102609  Ribes viscosissimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1596 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC74207  Ribes viscosissimum M. A. Baker 1980-7-19 3026 Humboldt Near Bret Hole. 1814 Comment
  UC1222365  Romanzoffia californica Joseph P. Tracy 1950-6-15 18818 Humboldt at Huestis Rock on n.e. side Mail Ridge Comment
  UC144104  Romanzoffia californica Joseph P. Tracy 1909-5-16 2970 Humboldt near Trinidad; Northern Coast Ranges 60 Comment
  HSC35152  Romanzoffia tracyi Gary S. Lester 1975-4-4 605 Humboldt About 1 mi. N of Elk Head near Trinindad 15 Comment
  CAS-BOT-BC74510  Rorippa curvisiliqua Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River, near Wilson Creek, Orleans region. Comment
  CAS-BOT-BC410928  Rorippa palustris subsp. hispida Henry M. Pollard 1945-8-28 s.n. Humboldt Near Harley Place; near Orleans Comment
  JEPS47283  Rosa eglanteria W. L. Jepson 1936-8-18 17947 Humboldt 1/2 mi nw Petrolia (along a gully in the village) Comment
  POM275376  Rosa eglanteria Lyman D. Benson 1928-7-10 415 Humboldt Weott Ranger Station. Mtn. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 Comment
  CAS-BOT-BC146486  Rosa gymnocarpa L. B. Kildale 1930-7-11 10334 Humboldt Snow Camp, head of Redwood Creek Comment
  CHSC33401  Rosa gymnocarpa J. O. Sawyer; R. J. Cole 1977-7-3 3018 Humboldt Along Big Hill Road (8N01) at Mud Spring. Comment
  HSC32264  Rosa gymnocarpa J. O. Sawyer 1970-6-24 2249 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC47952  Rosa gymnocarpa Brad Klipfel 1974-7-27 493 Humboldt Horse Mtn. Comment
  UC162329  Rosa gymnocarpa Joseph P. Tracy 1911-6-4 3218 Humboldt along river 5 mi from the coast; Northern Coast Region, Little River 121 Comment
  HSC98839  Rosa gymnocarpa var. gymnocarpa Cara Witte 2008-6-27 767 Humboldt Along National Forest 1 on Kinsey Ridge. 1.5 mi. NE of intersection with 4N09. 1317 Comment
  CAS-BOT-BC146824  Rosa nutkana Harley P. Chandler 1901-5-1 1198 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC146825  Rosa nutkana Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC146835  Rosa nutkana Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC19622  Rosa nutkana W. R. Brigham 1962-5-20 27 Humboldt Side of Old Hwy. 101, N of Big Lagoon rd. Comment
  HSC31638  Rosa nutkana Glenn McGourty 1974-6-1 84 Humboldt Comment
  CAS-BOT-BC148342  Rosa pisocarpa Joseph P. Tracy 1947-7-5 17813 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  UC154203  Rosa pisocarpa Joseph P. Tracy 1908-6 2873 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC555675  Rosa pisocarpa subsp. pisocarpa H. L. Mason 1928-7-14 4904 Humboldt near Garberville; East Fork of the Eel River Comment
  HSC35815  Rosa rubiginosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1921 Humboldt Above Goat Rock, 2 mi. W of Bridgeville Comment
  HSC99307  Rosa rubiginosa C. B. Wolf 1927-8-30 1229 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  HSC99308  Rosa rubiginosa C. B. Wolf 1927-8-30 1251 Humboldt 3 mi. S of Thorn along old coast road Comment
  HSC47955  Rosa spithamea Brad Klipfel 1974-7-23 474 Humboldt Horse Mountain Comment
  UC1199044  Rubus lasiococcus Joseph P. Tracy 1947-6-26 17746 Humboldt near McKay camp (South Fork Mountain); , near McKay camp 1676 Comment
  HSC40017  Rubus leucodermis Thomas W. Nelson, Jane P. Nelson 1976-7-1 2920 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC98453  Rubus leucodermis Gail Newton 1980-8-10 2054 Humboldt Near Blake Mtn. 1707 Comment
  HSC19665  Rubus parviflorus Harvey Doerksen 1962-5-22 25 Humboldt 1/4 mi. N Azalea Reserve State Park, floodplain of Mad River Comment
  UCD98613  Rubus parviflorus Lindsay Clark; Stella Hartono 2009-9-15 KRC 40 Humboldt Nadelos Campground in King Range Conservation Area. 506 Comment
  SEINET11910996  Rubus parviflorus F. H. Utech 1986-1 86 -394 Humboldt ca 5 mi N on Kings Peak Rd., from junction with Shelter Cove Rd., near Tolkan Recreation Area 480 Comment
  SEINET4976242  Rubus parviflorus Unknown 1938-8-8 15398 Humboldt Elk River, 6 miles S of Eureka Comment
  UC1541464  Rubus praecox H. E. Parks April 1935 5537 Humboldt Trinidad Comment
  POM271106  Rubus spectabilis Lyman D. Benson 1929-7-15 1816 Humboldt Clam Beach, Trinidad. Comment
  UC154221  Rubus spectabilis J. P. Tracy 1901-4-7 1001 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC158790  Rubus ursinus J. P. Tracy 1902-7-4 1759 Humboldt Immediate vicinity of Eureka 152 Comment
  HSC57045  Rubus ursinus Overton, Butler 1979-7-24 9694 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC61072  Rubus ursinus T. Jimerson, J. Pageau 1979-6-22 608 Humboldt Near Bee Mtn., close to the town of Orleans 656 Comment
  UC154260  Rubus ursinus J. P. Tracy 1909-4-18 2952 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCD17614  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 051 Humboldt California. Humboldt County: 23.1 miles from Ettersburg on road to Dyerville. Comment
  UCD17846  Rubus ursinus H. Olmo 8-10 May 1962 62- 33 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  UC1223049  Rudbeckia occidentalis Joseph P. Tracy 1947-8-24 17886 Humboldt meadow at Box Camp; Trinity Summit 1463 Comment
  SEINET5710897  Rudbeckia occidentalis Lowell E. Urbatsch 1990-1 6799 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this rd. (FD 7 NO4) travel 1.5 miles to another fork; continue on 7No4N (the left fork) for 7.4 miles. At this point, take 7NO4N, the rd to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  SEINET5710898  Rudbeckia occidentalis Lowell E. Urbatsch 1990-1 6799 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this rd. (FD 7 NO4) travel 1.5 miles to another fork; continue on 7No4N (the left fork) for 7.4 miles. At this point, take 7NO4N, the rd to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  HSC104451  Rumex acetosella Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 26 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC55016  Rumex acetosella Overton, Butler 1979-7-31 11408 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC95749  Rumex acetosella Steven Lee 2004-4-26 33 Humboldt Along Stuart Ave. W of of Alliance Comment
  SBBG52989  Rumex acetosella J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, Loleta Comment
  SEINET200758  Rumex acetosella J. P. Tracy 1906-4-22 2414 Humboldt Immediate vicinity of Eureka. 0 Comment
  UC1541400  Rumex acetosella W. K. Parks Apr 1934 5279 Humboldt Spruce Cove Trinidad Comment
  HSC17567  Rumex acetosella J. W. Johnson 1961-8-17 1039 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC64441  Rumex crispus J. P. Smith, Steve Selva 1970-6-14 3851 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  JEPS39913  Rumex obtusifolius W. L. Jepson 1932-8-2 16476 Humboldt Bull Creek Dyerville Comment
  CAS-BOT-BC433703  Rumex occidentalis W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  HSC98929  Rupertia physodes Cara Witte 2007-6-14 280 Humboldt Along National Forest 1 on Kinsey Ridge. 1/2 mile north of White Oak Opening. 1258 Comment
  UC169305  Rupertia physodes Joseph P. Tracy 1912-7-31 3949 Humboldt open woods near summit of Buck Mountain; Northern Coast Ranges Comment
  HSC49621  Ruppia maritima R. York 1979-5-23 311 Humboldt Old abandoned logging pond at the S end of H St. in Arcata 0 Comment
  CAS-BOT-BC239838  Rytidosperma penicillatum Joseph P. Tracy 1942-6-28 17267 Humboldt At Hungry Hollow, on Bald Mountain 609 Comment
  UC1103530  Sagina apetala Joseph P. Tracy 1921-4-24 5435 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  UC1116232  Sagina apetala Joseph P. Tracy 1948-4-11 17965 Humboldt 2 mi. e. Dyerville (Eel R.); Eel R. 48 Comment
  BLMAR466  Salicornia depressa Jennifer Anthony-Wheeler 2007-8-28 466 Humboldt South Spit 6 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-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
  SD37464  Salix Edith A. Purer 1932-7-30 4677 Humboldt S of Orick, sand dunes Comment
  CAS-BOT-BC103454  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  CAS-BOT-BC103455  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  CAS-BOT-BC103817  Salix exigua Harold E. Parks; Joseph P. Tracy 1931-5-17 0967 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC103824  Salix exigua L. R. Abrams; R. Bacigalupi 1922-6-25 8227 Humboldt 6 miles north of Garberville Comment
  POM220141  Salix exigua H. E. Parks, Joseph P. Tracy 1931-5-17 975 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  UC469444  Salix exigua var. hindsiana Joseph P. Tracy 1931-9-7 9640 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC104106  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01332 Humboldt channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107701  Salix hookeriana Harold E. Parks 1931-5-12 954 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107746  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1225 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107759  Salix hookeriana Harold E. Parks 1931-5-28 01000 Humboldt Little River Lagoon Comment
  CHSC9559  Salix hookeriana E. L. Smith 1971-4-7 929 Humboldt Clam Beach County Park ca. 6 mi s of Trinidad. Comment
  HSC19969  Salix hookeriana H. E. Parks Sep 1931 1057 Humboldt Trinidad 76 Comment
  HSC40863  Salix hookeriana Linda M. Barker 1976-4-30 1416 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  HSC90432  Salix hookeriana Jean Hanson 1980-3-8 19 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS12961  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  JEPS13088  Salix hookeriana Joseph P. Tracy 1937-8-12 15658 Humboldt Snow Camp 1402 Comment
  JEPS13089  Salix hookeriana Joseph P. Tracy 1936-10-24 15203 Humboldt Fortuna; bank of Eel River 15 Comment
  UC1196678  Salix hookeriana Joseph P. Tracy 1925-11-15 7316 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay (same region as #6929) 60 Comment
  UC1196679  Salix hookeriana Joseph P. Tracy 1925-2-1 6929 Humboldt slope of bluff near Salmon Creek Corners; Northern Coast Region, around Humboldt Bay, Table Bluff 60 Comment
  UC1225775  Salix hookeriana Joseph P. Tracy 1948-4-4 17957 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC303033  Salix hookeriana Joseph P. Tracy 1926-6-10 7345 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC469122  Salix hookeriana Joseph P. Tracy 1927-5-1 7953 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC469125  Salix hookeriana Joseph P. Tracy 1931-8-23 9621 Humboldt sand dunes near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC490474  Salix hookeriana H. E. Parks and Joseph P. Tracy 1932-8-13 10342 Humboldt vicinity Trinidad; Northern Coast Region 60 Comment
  UC492330  Salix hookeriana Harold E. and Susan T. Parks 1932-4-3 1100 Humboldt Little R. Lagoon Trinidad; , Little River Lagoon Comment
  UC492344  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC504053  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 5 Humboldt around Eureka Comment
  UC506402  Salix hookeriana Joseph P. Tracy 1933-4-9 10969 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC512082  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1223 Humboldt 1 mi n Samoa (pine barrens near the coast) Comment
  UC512085  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC519342  Salix hookeriana Joseph P. Tracy 1933-10-8 13087 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  JEPS14762  Salix jepsonii Joseph P. Tracy 1932-7-18 10724 Humboldt head of Brett Hole (Trinity Summit, Klamath Mts.); Klamath Mts., Trinity Summit 1828 Comment
  JEPS13097  Salix laevigata Joseph P. Tracy 1935-5-25 13886 Humboldt Dobbyn Creek 152 Comment
  UC519387  Salix laevigata Joseph P. Tracy 1933-6-9 12528 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  UC519388  Salix laevigata Joseph P. Tracy 1933-6-9 12529 Humboldt Shively Northern Coast Ranges, Shively 30 Comment
  UC906709  Salix laevigata Harold E. Parks and Joseph P. Tracy 1942-5-16 11567 Humboldt vicinity of Garberville 152 Comment
  UC517961  Salix laevigata M. S. Jussel 1931-5-1 Humboldt Sylvandale Comment
  HSC37877  Salix lasiandra Thomas W. Nelson 1976-3-22 2279 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  UC490526  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9795 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC490539  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-7-13 10497 Humboldt meadow at Corral Prairie Corral Prairie; Klamath Mts., Trinity Summit 1524 Comment
  UC492331  Salix lasiandra subsp. lasiandra Harold E. and Susan T. Parks 1932-4-10 1101 Humboldt Little River Lagoon Trinidad; , Little River Lagoon Comment
  UC504056  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 3 Humboldt around Eureka Eureka Comment
  RSA0038347  Salix lasiandra var. lancifolia Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC125225  Salix lasiandra var. lasiandra Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01206 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad, elevation approximately sea level Comment
  HSC20008  Salix lasiolepis J. P. Tracy 1933-4-2 10961 Humboldt Berry's Mt. on Trinity Hwy. E of Redwood Creek 762 Comment
  HSC56187  Salix lasiolepis Gilbert Muth 1979-8-1 12123 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC93741  Salix lasiolepis Gordon Leppig 1998-4-7 734 Humboldt Horse Mtn., 854 Comment
  JEPS12931  Salix lasiolepis Joseph P. Tracy 1931-5-31 9328 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12966  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt at Redwood Creek Berry's; Northern Coast Ranges 274 Comment
  UC1196621  Salix lasiolepis Joseph P. Tracy 1926-9-19 7802 Humboldt Valley of S. Yager Creek Northern Coast Ranges, Valley of S. Yager Creek 762 Comment
  UC1196626  Salix lasiolepis Joseph P. Tracy 1935-7-9 14058 Humboldt Lack Pond Trinity River Valley (opposite mouth of Willow Creek) 152 Comment
  UC1196656  Salix lasiolepis Joseph P. Tracy 1920-8-15 5387 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  UC469409  Salix lasiolepis Joseph P. Tracy 1927-3-27 7870 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC469412  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469415  Salix lasiolepis Joseph P. Tracy 1927-5-13 7996 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469430  Salix lasiolepis Joseph P. Tracy 1931-9-7 9645 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469431  Salix lasiolepis Joseph P. Tracy 1931-9-27 9690 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel River 15 Comment
  UC512032  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1327 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  UC512035  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1324 Humboldt w. slope Berry's Mt. (e. of Redwood Creek, on Trinity Hwy.) 762 Comment
  UC519345  Salix lasiolepis Joseph P. Tracy 1933-10-22 13102 Humboldt Lack Pond Trinity River Valley (opposite mouth of Willow Creek) 152 Comment
  RSA298153  Salix lucida subsp. lasiandra Thomas W. Nelson 1978-4-23 3888 Humboldt At jct of Copher and Samoa Rds. N of Samoa. Comment
  CAS-BOT-BC125611  Salix melanopsis Harold E. Parks 1931-5-14 0956 a Humboldt Van Duzen River above Bridgeville 300 Comment
  CAS-BOT-BC125639  Salix melanopsis Harold E. Parks 1931-8-25 01060 Humboldt Blue Slide, Van Duzen River 90 Comment
  JEPS12936  Salix melanopsis Joseph P. Tracy 1931-5-3 9344 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  JEPS12953  Salix melanopsis Joseph P. Tracy 1932-5-10 9961 Humboldt Mattole River near Petrolia; Northern Coast Region 15 Comment
  RSA47086  Salix melanopsis Doris K. Kildale 1926-9-9 2690 Humboldt Low gap of Mod River. Comment
  UC469454  Salix melanopsis Joseph P. Tracy 1931-9-7 9634 Humboldt Trinity R. Valley at Willow Creek Bridge; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC512011  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1234 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  CAS-BOT-BC129249  Salix piperi Joseph P. Tracy 1941-3-9 16800 Humboldt Camp Grant, along Eel River 48 Comment
  HSC20091  Salix scouleriana H. E. Parks Feb 1933 1151 Humboldt Spruce Cove, Trinidad Comment
  HSC37878  Salix scouleriana Thomas W. Nelson 1976-3-22 2281 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC41937  Salix scouleriana Ed Cope 1977-4-23 24 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  POM219695  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge. Van Duzen River. 450 Comment
  SBBG28831  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge, Trinidad 150 Comment
  UC1196697  Salix scouleriana Joseph P. Tracy 1923-1-7 6135 Humboldt near Ferndale Ferndale; Northern Coast Ranges 15 Comment
  UC212995  Salix scouleriana Joseph P. Tracy 1919-9-23 5283 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  POM219690  Salix sessilifolia H. E. Parks 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC128960  Salix sitchensis Joseph P. Tracy 1932-7-18 10724 Humboldt Rocky exposed places, head of Brett Hole - Klamath Mountains 1828 Comment
  UC1222295  Salix sitchensis Joseph P. Tracy 1950-9-10 19365 Humboldt along coast rd. 1 mi. inland from Cape Mendocino (1/2 mi. s. of town); Foothills of Cape Ridge 60 Comment
  UC303029  Salix sitchensis Joseph P. Tracy 1926-2-21 7358 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490500  Salix sitchensis Joseph P. Tracy 1932-10-2 10857 Humboldt Redwood Creek near Bair's; Northern Coast Ranges, Redwood Creek 213 Comment
  UC490501  Salix sitchensis Joseph P. Tracy 1932-10-2 10857 Humboldt Redwood Creek near Bair's; Northern Coast Ranges, Redwood Creek 213 Comment
  UC537983  Salix sitchensis Joseph P. Tracy 1934-9-22 13671 Humboldt mouth of Mad R.; North Coast Ranges, Mad R. 9 Comment
  UCD111910  Salix sitchensis Harold E. Parks 1931-3-25 0903 Humboldt Orick, Van Duzen River. 6 Comment
  UC1173580  Salix tracyi Joseph P. Tracy 1939-4-29 16237 Humboldt Klamath River at mouth of Slate Creek 121 Comment
  RSA21578  Sambucus caerulea C. B. Wolf 1937-9-8 9299 Humboldt North Coast Range, Bull Creek-Petrolia Road, Bull Creek, 6 miles west of Redwood Highway 183 Comment
  RSA1808  Sambucus callicarpa C. B. Wolf 1930-10-26 1765 Humboldt 1 mile south of Trinidad 91 Comment
  UC602515  Sambucus mexicana Joseph P. Tracy 1930-7-19 9088 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC34632  Sambucus racemosa var. racemosa R. M. Sullivan 1975-4-9 1 Humboldt 2 mi. S of Trinidad on old Hwy. 101 Comment
  HSC37856  Sambucus racemosa var. racemosa Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC59203  Sambucus racemosa var. racemosa Terry Roth 1979-4-21 15 Humboldt 0.4 mi. from Table Bluffs County Park on Table Bluffs Rd. 15 Comment
  UCD137261  Sambucus racemosa var. racemosa Joseph P. Tracy 1947-8-24 17912 Humboldt Trinity Summit, east of Box Camp. 1676 Comment
  UC154106  Sanicula arctopoides J. P. Tracy 1904-4-24 2021 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  HSC45104  Sanicula arctopoides R. Sutherland 1978-2-18 9 Humboldt 3 Comment
  HSC69866  Sanicula crassicaulis Thomas W. Nelson 1978-5-28 4092 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  HSC21637  Sanicula crassicaulis B. R. Templeton 1962-4-16 Humboldt 3 mi. W of Orleans on Hwy. 35 Comment
  HSC56313  Sanicula graveolens Overton, Butler 1979-8-2 12649 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC101038  Sanicula tracyi A. Thoele, D. Pederson 1995-7-2 61 Humboldt East side of Pilot Creek, FB5 (fuel break) skid trail. 1188 Comment
  UC666822  Saxifraga ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt near Ranger Station (Trinity Summit); Trinity Summit 1828 Comment
  JEPS47545  Saxifraga oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Trinity Summit, at Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  UCD126460  Schedonorus arundinaceus A. H. Murphy 1947-5-15 s.n. Humboldt Sherman Flat, ca. 3.5 miles north of Blocksburg. Comment
  CHSC84708  Schoenoplectus pungens L. P. Janeway 2003-7-27 7932 Humboldt North Coast. East shore of Big Lagoon, on north side of mouth of Tom Creek. 2 Comment
  POM290747  Schoenoplectus pungens Lyman Benson 1928-7-10 436 Humboldt Clam Beach, Trinidad. 9 Comment
  UCSB23755  Schoenoplectus pungens Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samosa on peninsula; on western side of Humboldt Bay Comment
  HSC91622  Scirpus microcarpus E. Mackey 1986-7-21 Humboldt Patrick's Point State Park Comment
  UCD141254  Scirpus microcarpus Gordon Leppig 1998-6-26 861 Humboldt Arcata, Alder Grove Pond. South side of pond. 18 Comment
  BLMAR463  Scirpus microcarpus Jennifer Anthony-Wheeler 2007-8-9 463 Humboldt Samoa Peninsula, growing on Lanphere road 12 Comment
  CAS-BOT-BC517415  Scoliopus bigelovii Doris K. Kildale 1926-2-28 1520 Humboldt Kneeland Prairie Road at the watering trough 609 Comment
  HSC12711  Scrophularia californica M. J. Athey 1970-10-12 19 Humboldt Along the old road to Trinidad Comment
  RSA425151  Scrophularia californica Christopher Davidson 1973-5-29 2202 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  UC154261  Scutellaria antirrhinoides M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC1222865  Scutellaria antirrhinoides Joseph P. Tracy 1950-6-15 18788 Humboldt 7 mi n of Harris (Mail Ridge, Jenk's Ranch); Mail Ridge, Jenk's Ranch Comment
  UC1239696  Scutellaria antirrhinoides Joseph P. Tracy 1933-7-9 12654 Humboldt Brannan Mountain; Northern Coast Ranges, Brannan Mountain 1066 Comment
  CAS-BOT-BC63881  Sedum laxum subsp. heckneri David Imper 1985-7-1 s.n. Humboldt Slopes of Onion Mountain. 1219 Comment
  CAS-BOT-BC64701  Sedum laxum subsp. heckneri Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC40703  Sedum laxum subsp. heckneri Thomas W. Nelson, Jane P. Nelson 1976-7-1 2898 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC76353  Sedum laxum subsp. heckneri Teresa Prendusi 1981-7-24 506 Humboldt Near Whiteys Peak 1634 Comment
  CAS-BOT-BC61460  Sedum laxum subsp. heckneri Volney Rattan 106 Humboldt Klamath Comment
  HSC59359  Sedum obtusatum subsp. retusum M. A. Baker 1979-6-28 945 Humboldt 1500 Comment
  UC1198840  Sedum radiatum Joseph P. Tracy 1926-5-15 7482 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie (on Barry Road) 762 Comment
  CAS-BOT-BC59111  Sedum spathulifolium subsp. pruinosum Ira L. Wiggins 1932-6-18 5878 Humboldt Mouth of Little River. Comment
  HSC65325  Sedum spathulifolium var. spathulifolium J. P. Smith 1973-5-26 6826 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SBBG19224  Selaginella oregana L. L. Kiefer 1963-8-6 769 Humboldt Patrick's Pt St Park, N side of Lookout Rock 45 Comment
  SEINET203030 Image available Selaginella rupestris J. P. Tracy 1920-10-24 5407 Humboldt Around Humboldt Bay near Korbel 61 Comment
  HSC33721  Senecio elegans B. Sullivan 1975-5-24 106 Humboldt Off Samoa Blvd. across from the boat landing Comment
  UC581696  Senecio glomeratus Joseph P. Tracy 1934-6-19 13234 Humboldt vicinity Carlotta 30 Comment
  HSC48867  Senecio integerrimus Brad Klipfel 1973-6-10 62 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1199245  Senecio integerrimus var. major Joseph P. Tracy 1933-6-13 12585 Humboldt near summit Hoopa Mountain (on road w from Hoopa to Bair's); Northern Coast Ranges 1219 Comment
  UC1223048  Senecio integerrimus var. major Joseph P. Tracy 1946-5-19 17537 Humboldt Kneeland Prairie 762 Comment
  UC581693  Senecio minimus Joseph P. Tracy 1937-7-18 15446 Humboldt s fork Eel River 60 Comment
  CAS-BOT-BC364222  Senecio sylvaticus L. R. Abrams 1916-7-11 6007 Humboldt Near Grizzly Creek Comment
  UCSB6689  Senecio sylvaticus Keator, Glenn 1958-6-18 Humboldt Near Ettersburg Comment
  UC1223185  Senecio vulgaris Joseph P. Tracy 1943-11-28 17454 Humboldt Eel River Bar at mouth Van Duzen (near Alton); Eel River Bar at mouth of Van Duzen Comment
  CAS-BOT-BC85838  Sequoia sempervirens Doris K. Kildale 1927-5-15 3160 Humboldt Petrolia Bridge Mattole River Comment
  CHSC61945  Sequoia sempervirens J. R. Biddison 1993-4-6 10 Humboldt Prairie Creek Redwoods State Park, Fern Canyon picnic area, 10 mi n of Orick, off hwy 101. 15 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
  UC275473  Sequoia sempervirens Joseph P. Tracy 1925-3-15 6945 Humboldt Blue Slide on Van Duzen River; Northern Coast Region 30 Comment
  UCD135226  Sequoia sempervirens C. H. Lamoureux 1956-3-17 1044 Humboldt At south boundary of Jensen Grove, between Meyers and Miranda on U.S. Highway 101. Comment
  UCD19960  Sequoia sempervirens C. H. Lamoureux; R. Gankin 1956-3-17 1044 Humboldt Southern boundary of Jensen Grove, between Meyers and Miranda on Hwy 101. Comment
  RSA44417  Setaria pumila Henry M. Pollard 1947-8-19 s.n. Humboldt Klamath River near Wilson Creek, Orleans region Comment
  HSC1093  Sherardia arvensis W. Lanphere 1937-2-16 Humboldt H.S.C. Campus Comment
  UC1197962  Sidalcea malachroides Joseph P. Tracy 1934-8-6 13563 Humboldt 1 mi w Lindsey Creek (n side of Mad River); n side Mad River, w of Lindsey Creek 30 Comment
  POM282897  Sidalcea malviflora subsp. malviflora Lyman Benson 1929-6-18 1733 Humboldt North of Arcata Comment
  HSC69889  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1977-7-30 3663 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  HSC93949  Sidalcea malviflora subsp. patula D. K. Imper, Clare Golec 1999-6-2 Humboldt Junction of Riverside Rd. and Hwy. 36 91 Comment
  HSC104426  Sidalcea malviflora subsp. patula Bianca Hayashi 2013-6-13 Humboldt South of Bald Mountain Comment
  JEPS67267  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-8-12 15653 Humboldt Snow Camp 1402 Comment
  POM62156  Sidalcea oregana subsp. eximia Joseph P. Tracy 1917-9-1 4831 Humboldt Murphy Meadow, Bald Mountain 1067 Comment
  RSA0074177  Sidalcea oregana subsp. spicata Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata. 610 Comment
  CDA38659  Silene californica B. Villegas/D. Juliano 2010-6-17 PDR# 1535021 -C Humboldt Alderpoint: Garberville - Alderpoint Rd. 0 Comment
  RSA183641  Silene californica D. E. Anderson 1965-5-15 3709 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  UC535704  Silene californica Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  RSA43854  Silene californica H. M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans. Comment
  UC1537312  Silene californica Gordon H. True Jr. 1936-5-11 454 Humboldt 10 mi w Miranda (Elk Ridge); , w of Miranda 457 Comment
  HSC79418  Silene gallica Kenneth Clark 1980-5-10 637 Humboldt W slopes above Dead Man's Gulch 122 Comment
  HSC84003  Silene gallica L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 225 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  UC427880  Silene hookeri H. E. Parks, J. P. Tracy 1930-5-25 791 Humboldt Laribee Valley 792 Comment
  HSC100709  Silene hookeri Carl C. Marshall Jun 1886 10 Humboldt S Fork Mtn. near summit. Comment
  RSA477903  Silene hookeri Miss Hutchinson 1927-05 s.n. Humboldt [Unspecified] Comment
  CAS-BOT-BC181224  Silene hookeri subsp. bolanderi Doris Kildale 1931-5-24 10845 Humboldt Little Laribee, Laribee Valley Comment
  SEINET10479233  Silene hookeri subsp. bolanderi Botany 1985-4-20 BOTANY s.n. Humboldt T34n,r6e,sec.14,h.m.; Burnt ranch campground off hwy 299. Open area near a Meadow 433 Comment
  CAS-BOT-BC181262  Silene hookeri subsp. hookeri Doris K. Kildale 1929-3-26 9137 Humboldt Orleans, Klamath River 152 Comment
  HSC57361  Silene laciniata subsp. californica Overton, Butler 1979-7-26 10065 Humboldt Near Cold Spring, close to the town of Willow Creek 1408 Comment
  HSC70825  Silene laciniata subsp. californica M. A. Baker 1980-6-7 1819 Humboldt Near Ammon Creek 115 Comment
  UCSB11773  Silene laciniata subsp. californica Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Creek on US 299 822 Comment
  UC1198793  Sisymbrium altissimum Joseph P. Tracy 1945-7-20 17515 Humboldt Eureka 30 Comment
  UC492253  Sisymbrium altissimum Joseph P. Tracy 1932-5-17 10090 Humboldt Trinity River near Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  CDA39474  Sisyrinchium bellum T. C. Fuller 1958-6-17 1715 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  RSA46494  Solanum americanum Doris K. Kildale 1926-2-7 1496 Humboldt Big Lagoon. Comment
  CHSC97982  Solanum parishii J. Breton; A. Livingston 2005-6-15 12 Humboldt NE of Grouse Mtn. UTM 0444876, 4511301. On rock outcrop. 1327 Comment
  CAS-BOT-BC154214  Solanum umbelliferum E. P. Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC154215  Solanum umbelliferum H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  POM237410  Solidago canadensis subsp. elongata H. E. Parks, S. T. Parks 1937-09 24081 Humboldt Spruce Cove, Trinidad. 64 Comment
  CAS-BOT-BC365437  Solidago elongata H. E. Parks 1931-7-1 01056 Humboldt Trinidad 76 Comment
  CAS-BOT-BC365440  Solidago elongata Carl B. Wolf 1927-8-2 809 Humboldt Along the hills near the ocean 1 mile south of Orick Comment
  CAS-BOT-BC365442  Solidago elongata Ira L. Wiggins 1932-7-25 5895 Humboldt Roadsides near McKinleyville Comment
  POM254120  Solidago spathulata S. K. Harris 1939-9-5 990 Humboldt At Samoa. Comment
  RSA21022  Solidago spathulata C. B. Wolf 1937-9-12 9332 Humboldt Clam Beach. 8 Comment
  HSC37995  Sonchus asper Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  HSC104456  Sonchus oleraceus Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 25 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC56092  Sorbus scopulina G. L. Clifton, Griswold 1979-7-31 11786 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC56199  Sorbus scopulina Gilbert Muth 1979-8-1 12165 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC98505  Sorbus scopulina Cara Witte 2008-7-25 935 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  CHSC69844  Sparaxis Duain Goforth 1977-4-19 Humboldt Arcata. Comment
  RSA246788  Sparganium angustifolium subsp. emersum Robert F. Thorne, Percy C. Everett 1965-8-9 35321 Humboldt Clam Beach County Park: along highway. 3 Comment
  UC14919  Sparganium erectum subsp. stoloniferum Hattie F. Tracy 1901-6-26 1216 Humboldt Loleta 15 Comment
  UC176175  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1912-10-20 3987 Humboldt Loleta Northern Coast Ranges, Eel Valley (lower Eel Valley) 15 Comment
  CAS-BOT-BC235368  Spartina densiflora Malcom A. Nobs; S. Galen Smith 1949-8-3 1180 Humboldt Near mouth of the Elk River, ca. 4 miles south of Eureka on Highway 101 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
  POM312888  Spiraea douglasii Malcolm A. Nobs, S. Galen Smith 1949-8-9 1226 Humboldt 1 m N of Arcata at jct of Hwys 101 and 229. Mad River Valley. Comment
  UCD114053  Spiraea douglasii Malcolm A. Nobs; S. Galen Smith 1949-8-9 1226 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  HSC90473  Spiranthes romanzoffiana Jean Hanson 1980-8-28 124 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka. W end of island between dikes. Comment
  JEPS64507  Spiranthes romanzoffiana Milo S. Baker 1923-8-23 326 b Humboldt near Carlotta; Wilder's Comment
  UC1239726  Stachys ajugoides var. ajugoides Joseph P. Tracy 1942-6-2 17093 Humboldt 1 mi e Alton 30 Comment
  UC1239733  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-9 14881 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UCLA71166  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  JEPS63027  Stachys ajugoides var. rigida Milo S. Baker 1923-7-16 18 Humboldt 4 mi se Eureka Comment
  UC1222860  Stachys ajugoides var. rigida Joseph P. Tracy 1950-6-8 18742 Humboldt near Petrolia (at crossing of river, hills between town and Ocean); Bear River 30 Comment
  UCLA71136  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15937 Humboldt vicinity Carlotta 30 Comment
  UCLA71161  Stachys ajugoides var. rigida C. Epling Aug 1933 Humboldt near Humboldt Co. line (Weaverville-Arcata Road) Comment
  UCD125774  Stachys chamissonis Linda M. Barker 1976-8-24 1683 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SBBG6537  Stachys rigida H. and M. Dearing 1939-6-23 3696 Humboldt 12 mi E of Arcata Comment
  RSA167436  Stachys rigida subsp. quercetorum Joseph P. Tracy 1950-6-8 18741 Humboldt Near Petrolia. Hills between town and ocean. 30 Comment
  UC162629  Stellaria crispa Joseph P. Tracy 1911-7-5 3312 Humboldt near mouth of Willow Creek (tributary of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  UC1198340  Stellaria nitens Joseph P. Tracy 1933-6-13 12563 Humboldt near Hoopa Mountain summit (on road w from Hoopa to Bair's); Northern Coast Ranges, Hoopa Mountain 1066 Comment
  CHSC111333  Stipa miliacea var. miliacea Barbara L. Wilson; Nick Otting 2012-7-3 17135 Humboldt Dean Creek Resort between the Eel River and the Old Redwood Highway, west of Highway 101; UTM zone 10T, 430910 east, 443867 north. 76 Comment
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Nov 6 2015
  JEPS118112  Streptanthus breweri Dean W. Taylor 2005-6-9 19339 Humboldt ridge dividing Swift Creek from Horse Creek, ca. 2 air miles SSE of Larabee Valley 853 Comment
  CAS-BOT-BC87616  Streptanthus tortuosus Richard Spellenberg 1965-6-14 1130 Humboldt South of airport, about 5 miles east of Kneeland. Comment
  HSC58360  Swertia radiata Overton, Butler 1979-8-2 12712 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1239538  Symphoricarpos mollis Joseph P. Tracy 1935-6-23 13998 Humboldt French Camp Ridge 1066 Comment
  HSC100413  Symphoricarpos racemosus Carl C. Marshall Jun 1886 291 Humboldt Coyote Camp. Comment
  CAS-BOT-BC99173  Symphyotrichum chilense Alice Eastwood 1923-8-14 12318 Humboldt Samoa Comment
  HSC5047  Symphyotrichum chilense J. W. Johnson 1961-8-23 1048 Humboldt Arcata; along the sides of the Lanphere Co. Rd. by Mad River Slough Comment
  SBBG60770  Symphyotrichum chilense R. Hartwell 1938-8-6 Humboldt Eureka Comment
  CAS-BOT-BC99172  Symphyotrichum chilense Henry M. Pollard 1956-10-14 s.n. Humboldt Rocky crevices along Klamath River near mouth of Pearch Creek, Orleans. Comment
  HSC102209  Symphyotrichum hendersonii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1124 Humboldt Andy's Camp 1564 Comment
  JEPS40779  Symphyotrichum subspicatum W. L. Jepson 1936-8-17 17913 Humboldt 2 mi s, near Still's Ranch Field's Landing Comment
  UC672289  Symphyotrichum subspicatum Frank W. Peirson 1923-7-11 3882 Humboldt 7 mi n Arcata Comment
  JEPS26265  Synthyris reniformis Joseph P. Tracy 1923-4-15 6190 Humboldt Redwood Creek at Berry's Redwood Creek; North Coast Ranges 274 Comment
  UC142245  Synthyris reniformis Joseph P. Tracy 1906-4-15 2408 Humboldt 3 mi e Korbel (Bald Mountain); Northern Coast Ranges, Bald Mountain 609 Comment
  UC582544  Synthyris reniformis Joseph P. Tracy 1927-5-30 8079 Humboldt vicinity of Garberville (along Redwood Creek); Redwood Creek 121 Comment
  HSC6251  Tanacetum bipinnatum Jerry Parker 1968-9-24 72 Humboldt Clam Beach, 1/4 mi. S of Strawberry Creek Comment
  UCSB6705  Tanacetum bipinnatum Keator, Glenn 1958-6-28 Humboldt At Little River along the northern coast of Humboldt county Comment
  CHSC68541  Tanacetum camphoratum Vernon H. Oswald 1997-4-29 8357 Humboldt Samoa Dunes Recreation Area at the south end of the North Spit separating Humboldt Bay from the ocean. On dunes along the road. 0 Comment
  SD148217  Tanacetum camphoratum G. K. Helmkamp, E. A. Helmkamp 2001-7-8 7012 Humboldt Samoa Peninsula, 2.6 miles south of California 255 bridge across Humboldt Bay. 14 Comment
  RSA233223  Tanacetum camphoratum P. H. Raven 1962-8-31 18079 Humboldt Dry Lagoon State Park. Comment
  RSA47122  Tanacetum camphoratum Doris K. Kildale 1925-7-2 912 Humboldt Table Bluff beach. Comment
  RSA424923  Tanacetum douglasii R. D. Goeden, D. W. Ricker 1987-9-2 17 Humboldt Loleta, at bay on Cannibal Road. 3 Comment
  SEINET11800644  Tanacetum parthenium J. P. Tracy 1946-1 17659 Humboldt Eureka, Tracy's garden Comment
  UC1196938  Taraxia ovata Joseph P. Tracy 1939-4-18 16215 Humboldt w side of river Garberville 152 Comment
  HSC21652  Tauschia kelloggii B. R. Templeton 1962-4-14 Humboldt 3 mi. W of Orleans Comment
  UC1222750  Tauschia kelloggii Joseph P. Tracy 1950-8-18 19332 Humboldt 1/2 mi along the Blocksburg Road w from the bridge across Larrabee Creek; along Larrabee Creek Comment
  CAS-BOT-BC447402  Tellima grandiflora Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC56142  Tellima grandiflora G. L. Clifton, Griswold 1979-8-1 11969 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC1198891  Tellima grandiflora Joseph P. Tracy 1949-6-6 18311 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC20427  Tellima grandiflora T. M. Mingo May 1965 Humboldt W of Fairhaven Dr. intersection with Hwy. 101 Comment
  HSC20428  Tellima grandiflora D. E. Anderson 1963-3-16 2382 Humboldt Scotia Bluffs Comment
  CAS-BOT-BC399768  Thalictrum polycarpum Joseph P. Tracy 1932-6-26 10263 Humboldt Northern Coast Ranges. Valley of South Yager Creek 762 Comment
  RSA75601  Thermopsis robusta Albert M. Vollmer, L. Beane 1951-06 s.n. Humboldt On trail to Blohn's cabin, Bald Mountain, east of Korbel Comment
  POM89157  Thuja plicata Joseph P. Tracy 1920-9-19 5401 Humboldt North fork of Mad River. 305 Comment
  UC275476  Thuja plicata Joseph P. Tracy 1925-3-7 6931 Humboldt North Fork Eel River North Coast Region, North Fork Eel River (around Humboldt Bay) 60 Comment
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Jul 4 2018
  UCD134112  Thuja plicata T. I. Storer 1931-7-1 2223 Humboldt Near Ferndale. Comment
  HSC6991  Thysanocarpus curvipes D. E. Anderson 1962-5-1 2204 Humboldt 1 mi. W of Hoopa Comment
  HSC45087  Thysanocarpus curvipes R. Sutherland 1978-4-23 28 .23478 Humboldt 640 Comment
  UCR124075  Tiarella trifoliata var. unifoliata George K. Helmkamp, E. A. Helmkamp 2001-7-8 6971 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  POM228370  Tiarella trifoliata var. unifoliata C. C. Harris, S. K. Harris 1936-6-16 660 Humboldt On Yager Road from Carlotta. 152 Comment
  UC11936  Tiarella trifoliata var. unifoliata J. Burtt Davy 1899-6-19 5650 Humboldt Hoopa Mt. North Coast Ranges, summit Hoopa Mt. (at the summit) Comment
  UC14482  Tolmiea diplomenziesii Chesnut and Drew 1888-7-9 Humboldt near Arcata Comment
  HSC74665  Tonella tenella Gail Newton 1981-6-6 2189 Humboldt Near Pilot Ridge Trail 1314 Comment
  HSC97505  Tonella tenella Cara Witte 2007-5-22 74 Humboldt Cold Spring. 0.5 miles south of Titlow Hill. 1422 Comment
  HSC103857  Torilis arvensis G. D. Barbe, T. C. Fuller 1974-6-17 1829 Humboldt Thorne Road, 4 mi. W of Redway, enroute to Shelter Cove Comment
  SD51325  Torilis arvensis Darley F. Howe 1961-7-31 3100 Humboldt 6 miles south of Garbverville on Highway 101. 99 Comment
  UC906658  Torilis nodosa Joseph P. Tracy 1946-6-15 17558 Humboldt Berry's Mountain on Trinity Highway east of Redwood Creek 609 Comment
  CAS-BOT-BC169181  Toxicodendron diversilobum Doris K. Kildale 1928-5-31 5114 Humboldt Chalk Mountain Comment
  HSC6288  Tracyina rostrata J. P. Tracy 1930-6-15 8762 Humboldt Dobbyn Creek. 152 Comment
  HSC86487  Tracyina rostrata Tom Duebendorfer 1988-6-13 882 Humboldt N of Alderpoint, take Blocksburg Rd. N., 0.15 mi. E on Stewart Ranch Rd. 210 Comment
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May 18 2010
  HSC86488  Tracyina rostrata Tom Duebendorfer 1988-6-14 881 Humboldt About 2 mi. E of confluence of Kekawaka Creek and the Eel River, N of Lauffer Ranch. 457 Comment
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May 18 2010
  NY274177  Tracyina rostrata J. P. Tracy 1916-6-20 4735 Humboldt Alder Point Comment
  BLMAR387  Triantha occidentalis Jennifer Anthony-Wheeler 2004-7-1 387 Humboldt Horse Mtn, mixed conifer in serp.seep Comment
  HSC27399  Trichostema laxum Thomas W. Nelson 1970-9-3 214 Humboldt Mad River. Comment
  UC484155  Trichostema laxum E. R. Johnson Aug 1929 Humboldt along the Eel River Comment
  HSC17934  Trientalis latifolia J. Sandborg, F. Sandborg May 1968 5 Humboldt Bluff Creek near Notice Creek, hillside 793 Comment
  HSC17941  Trientalis latifolia John A. Dubois 1962-5-12 10 Humboldt 20 mi. E of Arcata Comment
  HSC95824  Trientalis latifolia Kevin Thomas 2004-4-26 16 Humboldt Jacoby Creek Rd. Comment
  BLMAR717  Trifolium albopurpureum Jennifer Wheeler 2011-5-20 717 Humboldt King range, near strawberry rock 7 Comment
  UCD107571  Trifolium albopurpureum W. Williams 1951-1 s.n. Humboldt Keithly Ranch. Comment
  UC1103435  Trifolium barbigerum J. P. Tracy 1900-6-5 847 Humboldt immediate vicinity Eureka Comment
  UC165525  Trifolium barbigerum Harley P. Chandler May, 1901 1129 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC1223515  Trifolium barbigerum Joseph P. Tracy 1948-5-31 17984 Humboldt 1/2 mi ne Garberville (bench) 304 Comment
  UC1223499  Trifolium bifidum var. decipiens Joseph P. Tracy 1943-5-23 17427 Humboldt e Redwood Creek (at Berry's, on Trinity Hwy); North Coast Ranges 274 Comment
  UC1223500  Trifolium bifidum var. decipiens Joseph P. Tracy 1948-6-13 18027 Humboldt near Burr Creek (Larrabee Creek (Harris Trip)); Alder Point Comment
  UC1541261  Trifolium breweri Harold E. Parks May 1935 4997 Humboldt Egg Point Trinidad Comment
  HSC45303  Trifolium campestre Ed Cope 1978-5-30 Humboldt Along old Hwy. 101, S of Trinidad Comment
  UC162857  Trifolium cyathiferum Joseph P. Tracy 1908-6 2827 Humboldt nw slope Buck Mtn; Northern Coast Ranges 1219 Comment
  UC33571  Trifolium eriocephalum var. eriocephalum Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UC1223464  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1949-8-4 18415 Humboldt toward Trinity Summit (Mud Springs, on rd from Hoopa) 1341 Comment
  HSC28171  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  HSC39424  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2711 Humboldt Along old trail from lookout to Blocksburg 1555 Comment
  UC495662  Trifolium macraei Joseph P. Tracy 1932-5-10 9935 Humboldt Bear River edge Northern Coast Ranges 609 Comment
  UC1541577  Trifolium microcephalum Harold E. Parks May 1930 883 Humboldt Laribee Valley 762 Comment
  UC1541587  Trifolium microcephalum Harold E. Parks May 1935 5539 Humboldt Spruce Cove Trinidad Comment
  RSA322029  Trifolium microdon John M. Gillett, A. G. Moulds, George W. Gillett 12607 Humboldt Trinidad. Comment
  UC1223340  Trifolium obtusiflorum Joseph P. Tracy 1934-6-3 13205 Humboldt recently cleared land at Park's Place Trinidad Comment
  HSC15108  Trifolium repens W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  HSC89587  Trifolium repens M. Roantree 1985-5-24 62 Humboldt E side of Trinidad Head Comment
  RSA293197  Trifolium repens J. P. Smith 1973-5-26 6822 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  RSA349524  Trifolium repens M. B. Dunkle 1936-8-18 4816 Humboldt South of Eureka Comment
  UC1197560  Trifolium variegatum var. variegatum Joseph P. Tracy 1927-5-8 7993 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  JEPS4396  Trifolium willdenovii Joseph P. Tracy 1927-6-12 8169 Humboldt lower slopes Horse Mtn; Northern Coast Ranges 914 Comment
  UC1197535  Trifolium willdenovii J. P. Tracy 1901-4-24 1038 Humboldt Eureka vicinity 0 Comment
  HSC15190  Trifolium wormskioldii R. E. Hafenfeld 1965-5-9 24 Humboldt Jct. County Rd. and Gold Bluff Beach Rd. Comment
  JEPS66096  Trifolium wormskioldii Joseph P. Tracy 1923-6-17 6273 Humboldt Big Lagoon Northern Coast Ranges 6 Comment
  UC1223510  Trifolium wormskioldii Joseph P. Tracy 1932-6-9 14882 Humboldt Bear River Ridge 609 Comment
  POM277677  Trifolium wormskioldii Lyman D. Benson 1928-7-10 438 Humboldt Clam Beach, Trinidad. Hills back of the ocean. 15 Comment
  RSA168852  Trifolium wormskioldii Joseph P. Tracy 1950-6-8 18714 Humboldt Near the Sand Cut. Wild Cat Road, 2 miles south of Ferndale. Comment
  HSC14167  Triglochin maritima S. J. Moore 1965-5-8 15 Humboldt Marsh adjacent to Mad River Slough. Comment
  HSC59120  Triglochin maritima Terry Roth 1979-4-28 18 Humboldt End of H St. in Arcata 0 Comment
  HSC28003  Trillium albidum Maralyn O'Meara 1972-5-29 77 Humboldt 18.6 mi. up Bald hills Rd. from junction with Hwy. 101 near Orick 915 Comment
  HSC101814  Trillium kurabayashii Kjirsten A. Wayman 2012-5-4 315 Humboldt Bald Hills Road, 19 mi. SE of Hwy 101, N 41.14003 deg. W 123.85954 deg. 916 Comment
  HSC48827  Trillium ovatum Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 27 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  SEINET3991731  Trillium ovatum Unknown 1913-2-9 Humboldt Near Hydesville Comment
  HSC15703  Trillium ovatum W. F. Nickel 1965-4-3 Humboldt 5 mi. SE of Fern Canyon in Prairie Creek Redwoods State Park, on rd. to Fern Canyon Comment
  HSC34647  Trillium ovatum Thomas Anthony 1975-4-7 1 Humboldt 0.5 mi. N of Myers Flat on Avenue of the Giants Comment
  HSC20858  Triphysaria eriantha Elrid H. Spinas 1948-6-16 56 Humboldt Horse Mtn. Comment
  JEPS26159  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1904-4-24 2019 Humboldt sand dunes of Ocean Beach at Humboldt Bay Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  JEPS26158  Triphysaria eriantha subsp. eriantha Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3633 Humboldt Eureka Bucksport (Bucksport); Northern Coast Region, Eureka 0 Comment
  UC552798  Trisetum canescens Joseph P. Tracy 1935-7-30 14359 Humboldt Salmon Summit 1767 Comment
  HSC13424  Trisetum cernuum E. W. Styskel 1964-5-8 84 Humboldt 2 mi. W of Rio Dell off Blue Slide Rd. Comment
  UC552797  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC24373  Triteleia bridgesii J. O. Sawyer 1970-6-24 2238 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC15026  Triteleia bridgesii Harley P. Chandler June, 1901 1344 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC421775  Triteleia hyacinthina P. E. Goddard 1907-5-29 C. 108 Humboldt Van Duzen Comment
  HSC3061  Triteleia laxa D. E. Anderson 1962-7-14 2251 Humboldt 2 mi. W of Kneeland Post Office Comment
  SEINET200771  Triteleia laxa Joseph P. Tracy 1947-6-8 17704 Humboldt Carlotta; Open flat by old Strong's District School House 5 miles east of town 46 Comment
  UCD170577  Tsuga heterophylla Gordon Leppig 1998-4-7 732 Humboldt Berry Summit on west slope, Rt. 299. 762 Comment
  CAS-BOT-BC73935  Turritis glabra Doris Kildale Gillespie 1931-6-7 10626 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  UC1175130  Umbellularia californica P. C. Everett and E. K. Balls 1959-10-25 23958 Humboldt 12.4 mi w from Willow Creek (along U.S. Hwy 299 to Arcata) 655 Comment
  HSC100513  Umbellularia californica Carl C. Marshall Apr 1887 358 Humboldt Moist ground back from coast. Comment
  POM87676  Urtica dioica subsp. gracilis L. R. Abrams, R. C. Bacigalupi 1922-6-25 8278 Humboldt Big Lagoon, south of Orick. Comment
  UC1197785  Vaccinium cespitosum Joseph P. Tracy 1932-7-16 10618 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC22192  Vaccinium cespitosum J. P. Tracy 1899-3 Humboldt Eureka Comment
  CAS-BOT-BC199314  Vaccinium ovatum M. S. Jussel 1931-5-2 s.n. Humboldt 30 miles n. of Garberville Comment
  CAS-BOT-BC199315  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt Bishop Pine Lodge, 3 miles north of Trinidad Comment
  CHSC67763  Vaccinium ovatum Vernon H. Oswald 1997-2-12 8307 Humboldt North Coast of Calif. South end of Trinidad State Beach, town of Trinidad. 30 Comment
  UC726577  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt 3 mi n Trinidad (Bishop Pine Lodge) Comment
  UCD118087  Vaccinium ovatum B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  CHSC609  Vaccinium parvifolium V. Holt 1933-4-10 Humboldt Comment
  SEINET3107075  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  UC1197780  Vaccinium parvifolium Joseph P. Tracy 1931-4-26 9341 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  HSC18950  Vaccinium uliginosum J. O. Sawyer 1968-9-11 729 Humboldt Near Water-dog Lakes 1768 Comment
  UC602512  Valeriana sitchensis subsp. scouleri Joseph P. Tracy 1924-4-27 6643 Humboldt Willow Creek Canyon; Northern Coast Ranges 609 Comment
  UC1239583  Valeriana sitchensis subsp. scouleri Mrs. Archie Cathey 1933-5-6 Humboldt Eel Rock 91 Comment
  HSC26868  Vancouveria hexandra Clifton Raymond Chesbrough 1973-6-19 91 Humboldt 1/2 mi. N of College Cove Comment
  HSC63004  Vancouveria hexandra David Wheeler 1979-5-17 116 Humboldt Stagecoach Rd., 1 mi. from Post Office in Trinidad Comment
  CAS-BOT-BC76089  Vancouveria planipetala T. Worley; M. Mill; F. Rosenthal 1985-5-10 61 Humboldt Grays Falls Campground. 240 Comment
  CAS-BOT-BC76095  Vancouveria planipetala Alice Eastwood; John Thomas Howell 1937-6-22 4720 Humboldt Near Harris. Comment
  HSC24385  Vancouveria planipetala J. O. Sawyer 1970-6-24 2222 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC64196  Vancouveria planipetala J. O. Sawyer, M. A. Ericksen 1979-6-23 3372 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC1126306  Vancouveria planipetala A. E. Wieslander 1931-5-19 207 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  RSA12516  Veratrum insolitum Carl B. Wolf 1934-7-3 5920 Humboldt 9.5 miles form Martins Ferry on Orick Road. 305 Comment
  UC1173643  Veratrum viride Joseph P. Tracy 1934-8-29 13640 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  RSA167234  Verbascum blattaria Joseph P. Tracy 1950-7-9 18980 Humboldt Willow Creek canyon, along Trinity Hwy. Comment
  CDA30190  Veronica americana M. K. Beyers, I. Shepardson 2009-9-13 241 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  HSC45597  Veronica americana Diane L. Reed 1978-5-27 136 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  CDA6483  Veronica filiformis F. Wetherbee 1960-7-2 Humboldt Eureka. 0 Comment
  HSC99072  Veronica peregrina subsp. xalapensis Cara Witte 2007-6-21 331 Humboldt White Oak Opening. Along Kinsey Ridge. 1259 Comment
  UC147891  Veronica peregrina subsp. xalapensis J. P. Tracy 1910-5-22 3136 Humboldt immediate vicinity of Eurika 0 Comment
  RSA800193  Vicia Robert F. Thorne, Percy C. Everett 1965-8-8 35242 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC39004  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-5-31 2650 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  HSC56370  Vicia americana var. americana Griswold, Butler 1979-7-11 6391 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  JEPS80004  Vicia americana var. americana Joseph P. Tracy 1935-5-26 13908 Humboldt Iaqua 609 Comment
  UC1197465  Vicia americana var. americana Joseph P. Tracy 1911-7-1 3277 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC709409  Vicia faba Joseph P. Tracy 1940-4-7 16527 Humboldt Bayside 15 Comment
  UCD108675  Vicia hirsuta Linda M. Barker 1976-5-13 1479 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  JEPS29847  Vicia sativa subsp. nigra Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7837 Humboldt about 1 mi w of Carlotta (or 1/2 mi e of Hydesville) Comment
  CHSC35677  Vicia sativa subsp. sativa James P. Smith 1973-5-26 6831 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC71472  Vicia tetrasperma J. P. Smith, J. O. Sawyer 1973-5-12 6665 Humboldt 1.0 mi. from Redwood Creek on Hoopa Rd. Comment
  RSA168917  Vicia tetrasperma Joseph P. Tracy 1948-8-7 18083 Humboldt Fickle Hill, 6 miles Southeast of Arcata. 610 Comment
  HSC31741  Viola adunca Donald Spalinger 1974-5-12 58 Humboldt Williams Ridge Rd., 1 mi. N from junction with Bald Hills Rd. 732 Comment
  HSC97108  Viola adunca Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 1 Humboldt 7.4 mi. S of Hwy. 299 on FS Rd. NF1; Coldspring Camp. 1372 Comment
  RSA46714  Viola adunca Doris K. Kildale 1926-3-20 1537 Humboldt Big Lagoon. Comment
  UC1761955  Viola adunca Mrs. Wilder 1926-4 Humboldt Carlotta Comment
  SEINET200800 Image available Viola bakeri J. P. Tracy 1932-7-15 10596 Humboldt Trinity Summit Klamath Mts. Open ground near melting snow. 1829 Comment
  POM161057  Viola cuneata Joseph P. Tracy 1926-6-6 7560 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  HSC56145  Viola glabella G. L. Clifton, Griswold 1979-8-1 11974 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC19284  Viola glabella Harley P. Chandler June, 1901 1285 Humboldt Hupa Indian Reservation; North Coast Ranges 1097 Comment
  UC902116  Viola glabella Joseph P. Tracy 1942-6-23 17242 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UCD164670  Viola glabella R. John Little; C. Little 1991-5-27 6484 Humboldt Kneeland Road ca. 3 mi E of Kneeland. (Exact location unknown. Coordinates estimated by label maker). 701 Comment
  CAS-BOT-BC536499  Viola glabella Harley P. Chandler 1901-6-1 1285 Humboldt Hupa Indian Reservation, North Coast Ranges 1097 Comment
  HSC21784  Viola glabella Elrid H. Spinas 1948-5-15 7 Humboldt Horse Mtn.; 1 mi. off Hwy. 299 Comment
  HSC97502  Viola hallii C. Witte 2007-5-8 3 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC275485  Viola hallii Joseph P. Tracy 1925-5-30 7034 Humboldt Laribee Valley; Northern Coast Ranges 701 Comment
  HSC45620  Viola ocellata Diane L. Reed 1978-4-22 31 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  CAS-BOT-BC270200  Viola palustris Doris K. Kildale 1926-3-20 1536 Humboldt Big Lagoon Comment
  BLMAR574  Viola praemorsa Jennifer Wheeler 2010-5-12 574 Humboldt Lacks Creek, Faulkner prairie 731 Comment
  HSC21878  Viola praemorsa subsp. praemorsa Greg Bos 1965-5-15 272 Humboldt 2 mi. W of Berry Summit along US 299 701 Comment
  HSC21853  Viola sempervirens John A. Dubois 1962-4-28 2 Humboldt 20 mi. E of Arcata Comment
  HSC21856  Viola sempervirens H. E. Parks, S. T. Parks Apr 1944 24268 Humboldt Spruce Cove, Trinidad 61 Comment
  UC1103560  Viola sheltonii Joseph P. Tracy 1932-7-17 10678 Humboldt ridges e of Corral Prairie; Klamath Mountains 1828 Comment
  UC1762495  Viola sheltonii Milo S. Baker 1946-6-14 11491 Humboldt South Fork Mtn. 1524 Comment
  UC165806  Vitis californica Joseph P. Tracy 1911-7-5 3333 Humboldt Willow Creek Northern Coast Ranges ((tributary of Trinity River), near its mouth) 152 Comment
  HSC9830  Vulpia bromoides T. L. Ackerman 1964-4-10 30 Humboldt At Turner Draw on U.S. 101, near Mad River. Comment
  POM183574  Vulpia bromoides R. I. Bonn 1965-5-7 21 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  SEINET7297974 Image available Vulpia bromoides Joseph P. Tracy 1948-1 18065 Humboldt Trinidad 3 Comment
  HSC97933  Vulpia microstachys var. ciliata Cara Witte 2007-6-19 298 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  HSC98362  Whipplea modesta T. Jimerson, J. Pageau 1979-6-12 528 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  OBI36661  Whipplea modesta David J. Keil 1983-7-2 17322 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit Rd Comment
  UC1198902  Whipplea modesta Joseph P. Tracy 1942-6-23 17232 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UC1561376  Whipplea modesta Barbara Ertter with Thomas J. Delendick 1987-5-16 6943 Humboldt on s side of road above Willow Creek (Hwy 299 ca 3 mi e of Berry Summit, ca 20 air mi e of Arcata) 800 Comment
  HSC58195  Wyethia angustifolia G. L. Clifton, Griswold 1979-8-2 12294 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS32070  Wyethia angustifolia Joseph P. Tracy 1930-7-27 8898 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC169296  Wyethia angustifolia Joseph P. Tracy 1912-7-21 3755 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC76215  Wyethia longicaulis Overton, Butler 1979-7-24 9727 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  UC1096426  Wyethia longicaulis W. L. Colwell 1957-8-6 52 Humboldt 11 mi northeast of Bridgeville near Six Rivers National Forest Comment
  UC419036  Wyethia longicaulis H. E. Parks May 1930 740 Humboldt Laribee Valley Comment
  UC1199227  Xanthium strumarium Joseph P. Tracy 1921-12-11 5982 Humboldt Alton Northern Coast Ranges, Eel River 30 Comment
  HSC98041  Xerophyllum tenax Cara Witte 2007-7-3 399 Humboldt National Forest 1. 1/2 mile from intersection with 6N35. 1484 Comment
  RSA183622  Xerophyllum tenax D. E. Anderson 1965-4-29 3555 Humboldt Road from Fickle Hill to Maple Creek; Butler Valley area Comment
  SD51273  Xerophyllum tenax Darley F. Howe 1961-8-2 3123 Humboldt 24 miles east of Orick, on Bald Mountain Road. Comment
  CAS-BOT-BC527079  Xerophyllum tenax Doris K. Kildale; L. B. Kildale 1930-5-11 9530 Humboldt Wire Grass Prairie, Bald Hills 792 Comment
  HSC36103  Zantedeschia aethiopica Jim Pollard 1973-11-28 32 Humboldt Near Westwood Village Apartments Comment
  HSC8418  Zeltnera muehlenbergii J. Wendell Howe 1934-7-9 1304 Humboldt Alderpoint Comment



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