Search Results — 2000 specimen records retrieved (1380 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
  CAS-BOT-BC73468  Abies X shastensis Doris K. Kildale 1925-8-17 1200 Humboldt Trinity Summit 1889 Comment
  HSC41313  Abies concolor Brad Klipfel 1974-9-2 543 Humboldt Horse Mountain Comment
  HSC74318  Abies concolor Gail Newton 1980-7-20 1602 Humboldt Near Bell Swamps 1463 Comment
  SD42383  Abies grandis Doris Kildale Niles 1941-7-25 Humboldt Arcata Comment
  JEPS47996  Abies magnifica var. magnifica W. L. Jepson 1902-7-16 2043 Humboldt Trinity Summit 2133 Comment
  CHSC1069  Abronia latifolia 1947-6-1 Humboldt Coastal. Comment
  OBI35878  Abronia latifolia David J. Keil 1983-7-1 17287 Humboldt Ca. 5 mi NW of Petrolia along Mattole Rd Comment
  UCD109781  Abronia latifolia Linda M. Barker 1976-5-13 1490 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC62913  Abronia latifolia J. M. DiTomaso 1979-5-20 1062 Humboldt Little River State Beach 10 mi. N of Arcata Comment
  RSA0025088  Abronia latifolia M. B. Dunkle 1936-8-18 4817 Humboldt Moonstone Beach, N. Arcata. Comment
  UC55523  Abronia latifolia P. E. Goddard 1901-8-6 180 Humboldt Regna Beach Comment
  RSA0025872  Abronia umbellata M. B. Dunkle 1936-8-18 4821 Humboldt Moonstone Beach. Comment
  HSC57158  Acer glabrum var. torreyi Overton, Butler 1979-7-26 9957 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC98921  Acer glabrum var. torreyi Cara Witte 2007-6-5 211 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  HSC95908  Acer macrophyllum Will Ferrand 2002-4-20 25 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  UC1115826  Acer macrophyllum Joseph P. Tracy 1939-10-15 16518 Humboldt Blue Slide on Van Duzen River 91 Comment
  CHSC10146  Achillea millefolium J. W. Johnson 1961-8-17 1061 Humboldt Arcata, California. W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC57983  Achillea millefolium G. L. Clifton, Griswold 1979-7-31 11717 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  SBBG52982  Achillea millefolium J. D. Hobson -Jul-1966 Humboldt Eureka Harbor, Loleta, 10 mi S of Eureka Comment
  UC963846  Achillea millefolium H. E. Parks and S. T. Parks 1943-8-1 24246 Humboldt along coastal hills Egg Point; North Coast Ranges, Trinidad 121 Comment
  UC9738  Achlys californica Harley P. Chandler June, 1901 1293 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 182 Comment
  HSC56446  Achlys triphylla Griswold, Butler 1979-7-12 7196 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC3331  Achlys triphylla Doris K. Kildale 1926-4-2 1716 Humboldt Briceland Bridge Comment
  JEPS52978  Achlys triphylla subsp. triphylla W. L. Jepson 1932-7-29 16446 Humboldt Van Duzen R., Grizzly Flat Comment
  CAS-BOT-BC210653  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  UC1145039  Achnatherum lemmonii Joseph P. Tracy 1938-6-17 15968 Humboldt on road from Bull Creek to Upper Mattole (Panther Gap); Panther Gap 822 Comment
  UC1565800  Achnatherum lemmonii R. Spellenberg 1990-7-10 10248 Humboldt 6 mi s on USFS 1 Berry Summit (on Calif. Hwy. 299) (8 mi wsw of Salyer) 1371 Comment
  CAS-BOT-BC216443  Achnatherum occidentale subsp. californicum Doris K. Kildale 1925-8-17 1258 Humboldt Trinity Summit 1917 Comment
  HSC71471  Acmispon micranthus J. P. Smith, J. O. Sawyer 1973-5-12 6673 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  BLMAR170  Acmispon parviflorus Donald Hazlett 1994-6-7 170 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC98330  Acmispon wrangelianus A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek Jct., 100 yards W of Lindsey Creek on N bank. Comment
  UC902107  Aconitum columbianum Joseph P. Tracy 1949-8-11 18459 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC391411  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  HSC55327  Aconitum columbianum subsp. columbianum Griswold, Butler 1979-7-12 7159 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1196184  Actaea rubra Joseph P. Tracy 1948-10-24 18256 Humboldt near Fruitland 304 Comment
  SEINET10473553  Adenocaulon bicolor Mary Merello 1993-6-19 Merello 660 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest. 90 Comment
  UC164803  Adenocaulon bicolor Joseph P. Tracy 1909-7-31 3042 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prarie 762 Comment
  HSC98889  Adenocaulon bicolor Cara Witte 2007-6-21 326 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  UC582522  Adenocaulon bicolor Joseph P. Tracy 1933-8-6 12940 Humboldt in shade of trees French Camp Ridge 1066 Comment
  JEPS336  Adiantum aleuticum W. L. Jepson 1932-7-26 16412 Humboldt Bull Creek Comment
  CAS-BOT-BC62294  Adiantum aleuticum Volney Rattan 1886-8-1 s.n. Humboldt Austin Creek, coast mts. north of San Francisco Bay Comment
  UC275411  Adiantum aleuticum Joseph P. Tracy 1925-11-25 7324 Humboldt near s fork Trinity River Valley; Northern Coast Ranges 182 Comment
  UC197911  Adiantum jordanii Joseph P. Tracy 1914-5-14 4427 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  UC249587  Aesculus californica Joseph P. Tracy 1921-10-22 5978 Humboldt Bridgeville; Northern Coast Ranges 304 Comment
  UC1239672  Agastache urticifolia Joseph P. Tracy 1934-7-18 13445 Humboldt Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  RSA46781  Ageratina occidentalis Doris Kildale Gillespie 1937-8-12 15253 Humboldt South Fork Mountain. Comment
  UC194431  Ageratina occidentalis P. E. Goddard Jun 1 1906-Jul 1 1906 638 Humboldt North Fork Eel River Comment
  HSC57685  Agoseris aurantiaca G. L. Clifton, Griswold 1979-7-25 10901 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC4594  Agoseris grandiflora D. E. Anderson 1962-7-14 2257 Humboldt Along Barry Ridge Rd. Comment
  UC1222935  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1951-6-24 19535 Humboldt Kneeland Prairie Kneeland Prairie 762 Comment
  UC166791  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-8-2 1245 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC15349  Agoseris heterophylla L. R. Abrams 1918-6-16 7136 Humboldt Willow Creek Comment
  HSC99060  Agoseris heterophylla Cara Witte 2007-5-23 89 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  HSC98543  Agoseris heterophylla Cara Witte 2008-6-7 684 Humboldt Along National Forest 1. Approximately 4 miles south of intersection National Forest 1 and 5N04. 1441 Comment
  UC165755  Agoseris heterophylla var. heterophylla J. P. Tracy 1906-5-13 2455 Humboldt sand hills at Samoa; Ocean Beach Comment
  UC249842  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  UC1198339  Agrostemma githago Joseph P. Tracy 1899-4-23 310 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC8829  Agrostis capillaris D. J. Wilder 1965-5-9 32 Humboldt Arcata, 151 G st. Comment
  SEINET200937  Agrostis diegoensis Joseph P. Tracy 1932-7-17 10661 Humboldt Trinity Summit 1524 Comment
  CAS-BOT-BC127282  Agrostis exarata William Arents Silveus 1938-7-9 2983 Humboldt Dyerville. Comment
  UC36912  Agrostis exarata Harley P. Chandler June, 1901 1512 Humboldt Klamath River 426 Comment
  UC526892  Agrostis exarata Joseph P. Tracy 1932-7-14 10550 Humboldt Wet Meadow at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UCD52429  Agrostis exarata P. B. Kennedy 1923-8-3 s.n. Humboldt south of Scotia by road off highway. Comment
  SEINET11673856  Agrostis exarata P. H. Chandler 1901-1 1525 Humboldt Klamath River, North Coast Ranges 427 Comment
  RSA10065  Agrostis hallii Joseph P. Tracy 1929-7-4 8610 Humboldt French Camp Ridge 1067 Comment
  UC511548  Agrostis hallii Ira L. Wiggins 1932-7-25 5896 Humboldt roadsides near McKinleyville Comment
  HSC8805  Agrostis oregonensis R. L. Jarvis 1962-2-9 3 Humboldt Big Lagoon marsh, S of Hwy 101. Comment
  CAS-BOT-BC139061  Agrostis pallens Joseph P. Tracy 1935-7-28 14335 Humboldt Trinity Summit. Head of Brett Hole. 1828 Comment
  UC212862  Agrostis pallens Joseph P. Tracy 1919-9-18 5232 Humboldt Trinity Summit Northern Coast Ranges 1889 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
  HSC8863  Aira caryophyllea Robert Wunner 1962-5-5 Humboldt Denny Forest Service campground Comment
  SACT000239  Aira caryophyllea Lyle Bibb 1963-5-11 Humboldt Coastal salt marsh near Arcata Comment
  UCD55717  Aira caryophyllea A. H. Murphy 1957-5-15 34 Humboldt 1 mile southeast of Whitlow-Fruitland road junction, on Whitlow Road. Comment
  UCD55739  Aira caryophyllea A. A. Beetle; G. L. Stebbins 1942-6-3 3587 Humboldt Near Garberville, 1.4 miles on road to Harris. Comment
Read comments
Jan 21 2009
  HSC2958  Allium amplectens R. Spellenberg 1965-6-14 1128 Humboldt 6 mi. E of Kneeland at Kneeland Airport Comment
  SEINET7879021 Image available Allium amplectens C. C. Harris, S. K. Harris 1936-1 645 Humboldt On sand and gravel on river bank at point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River, 2330 feet altitude, Humboldt County, California. 710 Comment
  JEPS81076  Allium hoffmanii Thomas W. Nelson and Jane P. Nelson 1980-6-27 5951 Humboldt saddle between two peak e Mount Lassic (non-numbered section e of Sec. 36); Six Rivers National Forest, Blocksburg Quad. 1767 Comment
  UCD138543  Allium hoffmanii Marc Baker 1980-7-11 2799 Humboldt near Red Mountain. 225 Comment
  RSA75603  Allium unifolium Albert M. Vollmer, L. Beane 1951-6-11 138 Humboldt Horse Mountain-Shelter Cove Road. Comment
  SEINET12050176  Allium unifolium F. H. Utech 1986-1 86 -389 Humboldt ca 5 mi N of Shelter Cove Road on Kings Peak Road, near Tolkan Recreation Area 480 Comment
  HSC100400  Allocarya californica Carl C. Marshall 463 Humboldt Road between Harris and Garberville. Comment
  SBBG1284  Alnus incana subsp. tenuifolia H. and M. Dearing 1939-6-23 3691 Humboldt E fork of Willow Crk Comment
  UC527556  Alnus incana subsp. tenuifolia C. B. Wolf 1931-8-28 2365 Humboldt Redwood Hwy 4 1/2 mi n Fortuna (on road to Eureka) 15 Comment
  CAS-BOT-BC170949  Alnus rhombifolia Lyman Benson 1929-7-19 1878 Humboldt Mouth of Matole [Mattole] River Comment
  UC1197957  Alnus rhombifolia Joseph P. Tracy 1931-9-26 9699 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  UC249536  Alnus rhombifolia Joseph P. Tracy 1922-10-1 6117 Humboldt Cummings Creek Noerthern Coast Ranges, Van Duzen River (5 mi e of Carlotta) 30 Comment
  UC275562  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6574 Humboldt Northern Coast Ranges, North Dobbyn Creek North Dobbyn Creek; Northern Coast Ranges, North Dobbyn Creek 152 Comment
  HSC81811  Alnus rubra Kenneth Clark 1980-6-14 692 Humboldt N Fork of Dead Man's Gulch; throughout Shelter Cove 61 Comment
  POM212075  Alnus rubra C. B. Wolf 1930-10-26 1967 Humboldt south edge of Big Lagoon, near the Redwood highway bridge. 3 Comment
  UC1197948  Alnus rubra Joseph P. Tracy 1924-8-17 6823 Humboldt Trinidad Northern Coast Ranges 60 Comment
  HSC58073  Alnus viridis subsp. sinuata G. L. Clifton, Griswold 1979-8-1 11965 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC526743  Alopecurus aequalis Joseph P. Tracy 1927-7-17 8269 Humboldt w. foothills of Chaparral Mt. (Three Cabins); Northern Coast Ranges, w. foothills of Chaparral Mt., Three 457 Comment
  CAS-BOT-BC138147  Alopecurus aequalis var. aequalis Henry M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley place, Orleans region. Comment
  HSC8898  Alopecurus geniculatus W. F. Cartwright 1965-5-20 77 Humboldt 5 mi. S of Arcata on Old Arcata Rd. Comment
  CAS-BOT-BC13711  Ambrosia chamissonis David D. Keck 1935-6-16 3385 Humboldt Mouth of Little River. Comment
  OBI35980  Ambrosia chamissonis David J. Keil 1983-7-1 17289 Humboldt Ca 8 mi NW of Petrolia along Mattole Rd. rd immed adj to seashore Comment
  HSC18509  Amelanchier alnifolia H. E. Parks, J. P. Tracy 1925-6-25 2775 Humboldt Lawrence Creek Comment
  HSC31452  Amelanchier alnifolia var. semiintegrifolia D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5570 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC74216  Amelanchier alnifolia var. semiintegrifolia M. A. Baker 1980-7-23 3173 Humboldt Near Orleans Mtn. 1859 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
  HSC3519  Amsinckia intermedia J. W. Johnson 1962-4-21 1286 Humboldt Arcata; William Lanphere Farm about building Comment
  HSC99574  Anaphalis margaritacea K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 239 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
  SEINET11855265  Anaphalis margaritacea J. P. Tracy 1950-1 19363 Humboldt On foothills of Cape Ridge, .5 mi S of town, along coast road, 1 mile inland from Cape Mendocino 61 Comment
  HSC102001  Anemone deltoidea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 902 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC56303  Anemone deltoidea Overton, Butler 1979-8-2 12610 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC45033  Anemone deltoidea Maralyn O'Meara 1973-6-12 206 Humboldt Above Clear Lake Comment
  UC503041  Anemone oregana Joseph P. Tracy 1928-4-1 8408 Humboldt n end Big Lagoon; Nort Coast Region 152 Comment
  UC1103415  Angelica genuflexa Joseph P. Tracy 1948-9-5 18168 Humboldt Happy Camp Mountain, Trinity Summit area Happy Camp Mountain; , Trinity Summit area 1280 Comment
  CAS-BOT-BC221419  Angelica hendersonii Carl B. Wolf 1937-9-9 9304 Humboldt Coast, 2 mi. So. of Cape Mendocino 6 Comment
  UC1197379  Angelica hendersonii Joseph P. Tracy 1936-8-17 15156 Humboldt Table Bluff 91 Comment
  UC154048  Angelica lucida Joseph P. Tracy 1909-9-19 3087 Humboldt Region about Humboldt Bay (near Samoa, Northern Coast Region); Northern Coast Region 0 Comment
  UC642351  Angelica lucida Joseph P. Tracy 1938-7-15 16078 Humboldt Mouth of Eel River Eel River 6 Comment
  UC183690  Angelica tomentosa Joseph P. Tracy 1913-9-9 4391 Humboldt Northern Coast Ranges, at s end of Big Lagoon Big Lagoon Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 30 Comment
  UC642244  Angelica tomentosa Joseph P. Tracy 1938-9-5 16145 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  CAS-BOT-BC271496  Anisocarpus madioides Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC58749  Antennaria argentea Overton, Butler 1979-7-24 9595 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC58109  Antennaria media G. L. Clifton, Griswold 1979-8-1 12044 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC44340  Antennaria suffrutescens Brad Klipfel 1975-6-17 682 Humboldt Horse Mtn. Comment
  SEINET2031154 Image available Anthemis cotula J. P. Tracy 1909-7-4 3011 Humboldt Immediate vicinity of Eureka Comment
  HSC4670  Anthemis cotula Lincoln Constance 1934-5-27 694 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  HSC67474  Anthemis cotula J. P. Smith, Steve Selva 1970-6-14 3818 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UCD56156  Anthoxanthum aristatum K. L. Chambers 1984-6-16 5150 Humboldt Bald Hills Road, 7.0 miles past Lady Bird Johnson Grove, Redwood National Park, east of Orick. Comment
  HSC90402  Anthoxanthum occidentale Michele Lewis, Lisa Sims, Roger Cook 1992-5-12 49 Humboldt Behind the Redwood Science Lab, down gated fire access road 50 m, 10 m to right of trail. Comment
  HSC8929  Anthoxanthum odoratum True Hoyle 1967-7-24 29667 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  HSC8947  Anthoxanthum odoratum T. L. Ackerman 1964-4-12 34 Humboldt One mi. up a logging road N from an elementary school near Freshwater Corners Comment
  UCD143195  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC73424  Aphanes occidentalis Robert Kirkpatrick, Doug Renwick 1981-4-3 147 Humboldt 2 mi. N of Coastguard Station on Samoa Blvd. 5 Comment
  HSC98059  Apocynum androsaemifolium Cara Witte 2007-7-11 498 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  CAS-BOT-BC392164  Aquilegia formosa Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  CAS-BOT-BC392165  Aquilegia formosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC48762  Aquilegia formosa Brad Klipfel 1973-6-10 98 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC184781  Aquilegia formosa Joseph P. Tracy 1912-6-2 3643 Humboldt Eureka Northern Coast Region 0 Comment
  HSC18040  Aquilegia formosa var. formosa Greg Bos 1965-5-2 235 Humboldt 5 mi. E of Korbel on Bald Mtn. Rd. 732 Comment
  HSC56100  Aquilegia formosa var. truncata G. L. Clifton 1979-7-31 11823 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC57633  Arabis breweri var. breweri G. L. Clifton, Griswold 1979-7-25 10787 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC57322  Arabis glabra Walter Overton, Butler 1979-7-23 9542 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  UC492235  Arabis glabra Joseph P. Tracy 1932-7-11 10423 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC72985  Aralia californica M. A. Baker 1980-5-17 1191 Humboldt Near Le Perron Peak 792 Comment
  RSA246789  Aralia californica R. F. Thorne, P. Everett 1965-8-5 35137 Humboldt Mt. Chamisal: below summit 579 Comment
  HSC98821  Arceuthobium siskiyouense Cara Witte 2008-7-25 930 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. After Forest Service gate. 1470 Comment
  UC314643  Arctostaphylos Joseph P. Tracy 1923-3-17 6156 Humboldt Garberville Northern Coast Ranges 121 Comment
  UC153958  Arctostaphylos X media J. P. Tracy 1901-4-21 1035 Humboldt Immediate vicinity of Eureka 0 Comment
  JEPS46253  Arctostaphylos canescens A. E. Wieslander 1928-7-18 Humboldt near Hupa Valley Comment
  UCD50491  Arctostaphylos canescens Joseph P. Tracy 1941-4-11 16861 Humboldt Willow Creek Canyon, along Trinity Highway. 609 Comment
  CAS-BOT-BC25210  Arctostaphylos canescens subsp. canescens J. P. Tracy 1941-4-8 16850 Humboldt Willow Creek Canyon, along Trinity Highway Comment
  CAS-BOT-BC25213  Arctostaphylos canescens subsp. canescens L. B. Kildale 1928-4-29 5960 Humboldt Bald Mountain - at Lord-Ellis junction. Comment
  BLMAR112  Arctostaphylos columbiana Jennifer Anthony-Wheeler 1995-1-19 112 Humboldt King range, growing in open meadow/clearing for new KR admin site 283 Comment
Read comments
Apr 5 2016
  CAS-BOT-BC23810  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  HSC31516  Arctostaphylos columbiana Steve Selva, Roger Jensen 1974-8-21 30 Humboldt Redwood Forest across from Hwy. 101 entrance to Patrick's Point State Park Comment
  JEPS19869  Arctostaphylos columbiana Joseph P. Tracy 1923-3-31 6168 Humboldt around Humboldt Bay; Northern Coast Region, Table Bluff 60 Comment
  JEPS38969  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  RSA622696  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27680 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC585919  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge 1066 Comment
  UC585920  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UCD50873  Arctostaphylos glandulosa Roman Gankin 1965-8-5 545 Humboldt 6.5 miles west on Kings Mountain Road, Pacific Range Wilderness Area. Comment
  UC1120196  Arctostaphylos glandulosa subsp. glandulosa G. T. Nordstrom Jul 1937 1427 Humboldt 10.5 mi ene Orick; Orick Quadrangle Comment
  UC1193024  Arctostaphylos glandulosa subsp. glandulosa P. Zinke 1950-10-5 172 Humboldt 6 mi sw Honeydew; Quad 28D2, Beartrap Ridge 914 Comment
  RSA632798  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27760 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  CAS-BOT-BC38834  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1926-4-6 1718 Humboldt Dobbyns Creek - along road from mail boxes to Log Cabin Ranch 304 Comment
  OBI35863  Arctostaphylos nevadensis David J. Keil 1983-7-2 17331 Humboldt Horse Mtn summit SW of Willow Crk. Comment
  RSA24337  Arctostaphylos nevadensis C. B. Wolf 1941-2-26 4040 Humboldt 6 2/10 mi. W. of Klamath River Bridge on Weitchpec to Orick Rd. 610 Comment
  CAS-BOT-BC40026  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1935-6-23 13992 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC40070  Arctostaphylos nevadensis subsp. knightii Doris K. Kildale 1929-4-25 7436 Humboldt McDowell Butte - Kneeland Prairie 914 Comment
  UCD52854  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1175 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  UCD52857  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1976-10-26 1177 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  CAS-BOT-BC46636  Arctostaphylos patula J. H. Thomas 1949-6-13 920 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. (E. of town of Orleans). 1676 Comment
  HSC35782  Arctostaphylos patula Thomas W. Nelson, B. Reinhardt 1975-7-30 2097 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  UC21843  Arctostaphylos patula J. Burtt Davy 1899-6-22 5784 Humboldt Trinity summit North Coast Ranges 2133 Comment
  UC585901  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8136 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC47208  Arctostaphylos uva-ursi Doris K. Kildale 1927-3-25 3010 Humboldt Humboldt Hill, near Humboldt Bay. Comment
  SEINET2029875 Image available Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt Near Samoa, on Humboldt Bay 6 Comment
  UC1225935  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17499 Humboldt Eureka 45 Comment
  SEINET11987311  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4200 Humboldt Strybing Arboretum, Golden Gate Park, San Francisco, orig. probably from Samoa Sand Spit Comment
  HSC73249  Arctostaphylos viscida M. A. Baker 1980-5-18 1313 Humboldt Near Black Mtn. 1006 Comment
  UCD16179  Arctotheca calendula J. DiTomaso 2000-8-14 s.n. Humboldt West of town of Ferndale, East of Centerville Beach, along Centerville Rd., at Pries Dairy, near Russ Creek. 200 Comment
  UC668126  Arenaria congesta var. suffrutescens Joseph P. Tracy 1932-7-12 10478 c Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  UC1103321  Aristida oligantha Joseph P. Tracy 1921-9-4 5951 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA245251  Armeria maritima subsp. californica David K. Smith 1968-10-11 6 Humboldt 3 mi S of Trinidad. Comment
  UC154174  Armeria maritima subsp. californica Harley P. Chandler May, 1901 1153 Humboldt Humboldt Bay North Coast Ranges 3 Comment
  HSC22847  Arnica cernua D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5052 Humboldt ca. 6 miles W of Hoopa, along road from Redwood Creek to Hoopa Comment
  HSC44320  Arnica cernua Brad Klipfel 1975-6-17 669 Humboldt Horse Mtn. Comment
  JEPS20972  Arnica discoidea Harley P. Chandler 1901-6-1 1400 Humboldt Klamath River North Coast Ranges, Klamath River 243 Comment
  HSC8988  Arrhenatherum elatius J. A. Waller 1965-5-2 29 Humboldt Along Hwy. 96 near Willow Creek Comment
  UC922020  Arrhenatherum elatius Joseph P. Tracy 1950-6-15 18781 Humboldt 5 mi n of Harris (near top of Mail Ridge); Mail Ridge 1066 Comment
  UCD135923  Arrhenatherum elatius R. Wenk; P. Hopkinson, M. Hammond, and S. Spiegal 2008-6-6 832 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air mile north of Mattole Road, about 3 air miles west of Highway 101. 243 Comment
  CDA1730  Arrhenatherum elatius var. bulbosum T. C. Fuller 1966-10-4 15237 Humboldt Northwest portion of Arcata. 0 Comment
  CAS-BOT-BC93858  Artemisia dracunculus Hubert Jenkins 1943-8-1 s.n. Humboldt Near edge of Eel River in sand. Richardson Grove Comment
  CAS-BOT-BC97243  Artemisia suksdorfii Carl B. Wolf 1927-8-29 1220 Humboldt [Devil's] Devils Gate, south of Cape Mendocino Comment
  HSC94101  Arum palaestinum Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  UC154045  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  JEPS45624  Aruncus dioicus var. pubescens W. L. Jepson 1902-7-11 2011 Humboldt South Fork Trinity River; Martin's Ranch Comment
  CAS-BOT-BC400536  Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  POM279301  Asarum caudatum Lyman Benson 1928-7-12 s.n. Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  SEINET6652462  Asarum caudatum J. P. Tracy 1900-5-22 794 Humboldt Vicinity of Eureka Comment
  SEINET8714984 Image available Asarum caudatum Unknown 1936-1 s.n. Humboldt Redwood forest on Yager Road from Carlotta, elevation about 1500 feet, Humboldt County, California. 457 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  HSC38092  Asclepias cordifolia Thomas W. Nelson, James Nelson 1976-5-30 2613 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC63224  Asclepias cordifolia M. A. Baker 1978-5-6 489 Humboldt 2 km. S of Weitchpec Comment
  RSA46489  Asclepias cordifolia Doris K. Kildale 1926-5-2 s.n. Humboldt Willow Creek Comment
  HSC40010  Aspidotis densa Thomas W. Nelson, Jane Nelson 1976-7-1 2906 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC74315  Aspidotis densa M. A. Baker 1980-7-11 2800 Humboldt Near Red Mtn. 1433 Comment
  RSA167200  Aster foliaceus var. lyallii Joseph P. Tracy 1950-8-7 19271 Humboldt Box Camp, Trinity Summit 1463 Comment
  UC175638  Astragalus rattanii var. rattanii Joseph P. Tracy 1913-6-20 4241 Humboldt nw slope Buck Mountain (lower foothills); Northern Coast Ranges, lower foothills Buck Mountain 762 Comment
  HSC101497  Astragalus umbraticus Thomas W. Nelson, Jane P. Nelson 1987-6-27 8620 Humboldt Along Forest Service Road to Onion Lake, 8.2 miles from junction with State Route 96 823 Comment
  HSC25767  Astragalus umbraticus D. E. Anderson 1965-5-15 3694 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  UC180213  Astragalus umbraticus Joseph P. Tracy 1914-7-5 4575 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mt., betw High Prairie-Snow Camp 1219 Comment
  RSA23653  Athyrium filix-femina subsp. cyclosorum C. B. Wolf 1939-7-6 9516 Humboldt Along Larabee Creek, 6 7/10 miles below Blocksberg on road to Bridgeville. 305 Comment
  HSC10342  Athyrium filix-femina var. cyclosorum W. R. Supernaugh, Jr. 1964-12-12 8 Humboldt 1 mi. W of Freshwater Corners on Old Arcata Rd on S side of Hwy. Comment
  UC667959  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1937-7-25 15557 Humboldt ne of Hawkins Bar Happy Camp Mt; Trinity Summit Range 1280 Comment
  UC902198  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1949-8-26 18512 Humboldt ne of Hawkins Bar Happy Camp Mt; Trinity Summit Range 1280 Comment
  UC1198296  Athysanus pusillus Joseph P. Tracy 1937-5-16 15283 Humboldt nw of Harris 914 Comment
  UC1198298  Athysanus pusillus Joseph P. Tracy 1927-3-27 7848 Humboldt Trinity River Valley near the South Fork; North Coast Ranges, Trinity River Valley 182 Comment
  HSC82971  Atriplex prostrata A. L. Eicher 1985-8-17 Humboldt Marsh bordering Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC9007  Avena fatua Frances Oldridge 1945-1 Humboldt Fortuna Comment
  UC1152027  Avena fatua Joseph P. Tracy 1951-5-26 19510 Humboldt Willow Creek Trinity River Valley, Trinity River 152 Comment
  CAS-BOT-BC66223  Azolla filiculoides Malcom A. Nobs; S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach Comment
  UC1239784  Azolla filiculoides Joseph P. Tracy 1911-6-25 3245 Humboldt pool back of Holmes Mill Bucksport; Northern Coast Region 0 Comment
  UC303081  Azolla filiculoides Joseph P. Tracy 1904-9-11 2143 Humboldt Fields Landing; Northern Coast Region 30 Comment
  UC1199296  Baccharis pilularis Joseph P. Tracy 1933-10-15 13099 Humboldt Miranda South Fork of Eel River 121 Comment
  HSC47014  Baccharis pilularis subsp. consanguinea Sheila Logan 1978-11-23 223 Humboldt Manila Sand Dunes, Manila; 1/4 mile W of junction with Samoa Blvd. and Redwood Gun club 6 Comment
  HSC100426  Baeria chrysostoma Carl C. Marshall Jun 1885 31 Humboldt Bear River. Comment
  HSC89512  Barbarea verna M. Roantree 1985-4-25 8 Humboldt E side of Trinidad Head. Comment
  HSC99112  Barbarea verna Cara Witte 2008-7-16 903 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile S of intersection with National Forest 1. 1409 Comment
  CAS-BOT-BC145787  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of South Yager Creek. 762 Comment
  CHSC68559  Bellardia trixago Vernon H. Oswald 1997-4-29 8361 Humboldt Somoa Dunes Recreation Area at the south end of the North Spit separating Hunbolt Bay from the ocean. Near seal level. Coastal Dunes. Comment
  HSC89490  Bellis perennis P. A. Daly 1986-2-28 64 Humboldt Trinidad Head, along trail 61 Comment
  UCD129547  Bellis perennis Suzanne E. May 1967-4-15 34 Humboldt on State Highway 36, 1 mile west of Bridgeville. 182 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
  UC1198850  Bensoniella oregona Mrs. R. D. Douglas 1920-6-26 Humboldt Murphy Meadow; on Bald Mt., Murphy Meadow 1066 Comment
  RSA125218  Bensoniella oregona S. Carlquist 1951-6-14 158 Humboldt Below Felt Plateau, on road to Snow Camp 1006 Comment
Read comments
Nov 8 2010
  UC9759  Berberis aquifolium Harley P. Chandler 1901-1 1277 Humboldt Hupa Indian Reservation 1097 Comment
  HSC71607  Berberis aquifolium var. repens Gail Newton 1980-6-16 201 Humboldt Near Onion Mtn. 1280 Comment
  UC35055  Berberis nervosa Chestnut and Drew 1888-7-11 Humboldt Jarnigan's Comment
  CAS-BOT-BC75797  Berberis pinnata Doris K. Kildale 1926-6-27 2231 Humboldt Little Van Duzen River. On road for Bridgeville to Weaverville. 640 Comment
  CAS-BOT-BC412989  Bistorta bistortoides Volney Rattan 1882-1-1 s.n. Humboldt Kneeland Comment
  JEPS53053  Boechera acutina Joseph P. Tracy 1932-7-11 10396 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC492238  Boechera platysperma Joseph P. Tracy 1932-7-12 10458 Humboldt Head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  JEPS53081  Boechera retrofracta H. P. Chandler Jun 1901 1511 Humboldt Klamath River Comment
  UC562687  Boechera retrofracta Joseph P. Tracy 1935-7-30 14379 Humboldt Salmon Summit 2103 Comment
  UC552303  Boechera subpinnatifida Joseph P. Tracy 1933-7-25 12878 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  POM247177  Boisduvalia glabella Joseph P. Tracy 1934-7-9 13349 Humboldt Dobbyn Creek 152 Comment
  HSC48731  Boschniakia strobilacea J. Pageau, T. Jimerson, W. Wisler, A. Regalis 1979-6-13 521 Humboldt Off Forest Rd. 10N05, SE slope of Hopkins Butte 1037 Comment
  HSC44123  Botrychium multifidum Thomas F. Lyon, Linda M. Barker 1977-5-8 1715 Humboldt 3 mi. W of Arcata in S pasture Comment
  UC667114  Boykinia major Joseph P. Tracy 1934-7-18 13448 Humboldt Grouse Mountain , at top of mountain (swampy meadow at top of mountain) 1615 Comment
  HSC99841  Boykinia occidentalis C. B. Wolf 1927-8-22 798 Humboldt Big Lagoon Comment
  POM232040  Boykinia occidentalis I. L. Wiggins 1930-7-22 4694 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  UCSB23762  Boykinia occidentalis Breedlove, Dennis 1962-6-8 Humboldt Along U.S. Highway 101; 8 miles north of Orick; 60 Comment
  UCSB2543  Boykinia occidentalis Phillips, Priscilla 1958-6-10 Humboldt Bishop Pine Lodge, 2 mi. n. of Trinidad Comment
  HSC6586  Brassica rapa C. O. Baker 1962-5-7 32 Humboldt 2 mi. S of Trinidad along Hwy. 101 15 Comment
  CAS-BOT-BC106298  Brickellia californica Frank W. Peirson 1926-7-13 7048 Humboldt Mad River, vicinity of Blue Lake Comment
  RSA254779  Brickellia californica Thomas W. Nelson 1973-9-3 1124 Humboldt McKeown Ranch north of Dinsmore; along flood plain of Mad River Comment
  RSA695640  Brickellia californica J. Russell Bruff 1937-8-17 932 Humboldt Richardson Grove, bed of Eel River. Comment
  HSC103008  Briza maxima J. P. Smith 2014-5-20 13850 Humboldt Samoa Peninsula 6 Comment
  RSA10068  Briza maxima Joseph P. Tracy 1930-7-6 8848 Humboldt Iaqua 762 Comment
  HSC22743  Briza minor Dennis Anderson 1970-5-21 5082 Humboldt Scotia Bluffs Comment
  SEINET4183122 Image available Briza minor Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15063 Humboldt Meadow, Coolidge, Redwood Park. Comment
  SBBG10871  Brodiaea elegans subsp. elegans D. E. Breedlove 1961-7-4 650 Humboldt 10.9 mi W of Willow Crk on US Hwy 299 822 Comment
  SEINET200767  Brodiaea elegans subsp. elegans Joseph P. Tracy 1936-6-10 14925 Humboldt South Fork of Trinity River mountain slopes west of its mouth 305 Comment
  POM160834  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek. 762 Comment
  SEINET12053853  Brodiaea stellaris J. P. Tracy 1950-1 18903 Humboldt McClellen Mt., just E of McClellen Rock, Burr Valley 762 Comment
  CAS-BOT-BC144346  Bromus Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  CAS-BOT-BC149565  Bromus carinatus var. carinatus Harold E. Parks; Joseph P. Tracy 1935-6-8 11269 Humboldt Trinidad. 60 Comment
  HSC102213  Bromus carinatus var. marginatus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1129 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC526930  Bromus commutatus Joseph P. Tracy 1932-6-4 10135 Humboldt Northern Coast Ranges, Bridgeville Bridgeville; Northern Coast Ranges, Bridgeville 228 Comment
  UCD58456  Bromus commutatus A. H. Murphy 1951-6-13 62 Humboldt 2 miles south of Blocksburg. Tooby and Prior Ranch. Comment
  BLMAR31  Bromus diandrus Brad Barr June, 1982 31 Humboldt King range, on beach Comment
  CAS-BOT-BC155993  Bromus diandrus Doris K. Kildale 1926-5-2 1902 a Humboldt Willows Creek Flat. 152 Comment
  HSC79491  Bromus diandrus Kenneth Clark 1980-4-18 575 Humboldt 350 yds. S of Deadman's Gulch 8 Comment
  HSC9278  Bromus diandrus W. F. Nickel 1965-5-13 Humboldt College Elementary School, on HSU campus. Comment
  JEPS72928  Bromus diandrus Lincoln Constance 1934-5-26 674 Humboldt Bull Creek Region, South Fork Eel River, s end of Dyerville Bridge Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  RSA126899  Bromus diandrus H. S. Yates 1936-6-19 5705 Humboldt Lower N.W. slope of Buck Mt. 793 Comment
  RSA34310  Bromus diandrus L. Larsen 1935-5-6 s.n. Humboldt [no additional locality data provided] Comment
  HSC9239  Bromus hordeaceus T. L. Ackerman 1964-5-7 41 Humboldt 1.5 mi. W from Sweesey dam Comment
  HSC9244  Bromus hordeaceus E. W. Styskel 1964-4-26 71 Humboldt End of Davis St. at edge of Eel River in Rio Dell. Comment
  RSA44464  Bromus laevipes Henry M. Pollard 1948-7-19 s.n. Humboldt Near Van Fleet ranch Comment
  POM126124  Bromus marginatus Joseph P. Tracy 1923-6-19 s.n. Humboldt Wilder Ridge Comment
  UC552683  Bromus orcuttianus Joseph P. Tracy 1935-7-22 14129 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC161604  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Northern Coast Ranges of California. Stitz Creek. Along Eel River from South Fork to Scotia. 60 Comment
  CAS-BOT-BC161605  Bromus sterilis Joseph P. Tracy 1933-6-13 12601 Humboldt North Coast Ranges. Bair's Ranch on Redwood Creek. 914 Comment
  SEINET200827 Image available Bromus sterilis Joseph P. Tracy 1916-5-31 4698 Humboldt Along Eel River from South Fork to Scotia. Holmes Flat. Comment
  HSC73210  Bromus tectorum M. A. Baker 1980-5-18 1281 Humboldt Near Black Mtn. 1006 Comment
  CAS-BOT-BC185516  Bromus vulgaris Harley P. Chandler 1901-5-1 1177 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  HSC58808  Bromus vulgaris G. L. Clifton 1979-7-31 11871 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC37736  Bromus vulgaris Harley P. Chandler May, 1901 1177 Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 30 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
  UCD56952  Calamagrostis foliosa A. H. Murphy 1951-5-18 38 Humboldt approx. 1.5 mi. south of Petrolia at bridge corssing, along Mattole River. Comment
  CAS-BOT-BC185235  Calamagrostis koelerioides Joseph P. Tracy 1933-8-30 13008 Humboldt Northern Coast Ranges. Horse Mountain. 1371 Comment
  UC526777  Calamagrostis koelerioides Joseph P. Tracy 1926-6-20 7635 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  UC552719  Calamagrostis koelerioides Joseph P. Tracy 1935-7-24 14192 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  UC552720  Calamagrostis koelerioides Joseph P. Tracy 1935-7-30 14355 Humboldt Salmon Summit 1767 Comment
  CAS-BOT-BC185182  Calamagrostis nutkaensis David D. Keck 1948-7-1 5976 Humboldt Northeast end of Big Lagood. Comment
  HSC1293  Calocedrus decurrens W. R. Rogers 1965-5-7 296 Humboldt HSC campus Comment
  HSC70750  Calocedrus decurrens R. York 1980-5-17 533 Humboldt Near Le Perron Peak 1066 Comment
  HSC36504  Calochortus tolmiei Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1887 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  CAS-BOT-BC494354  Calochortus tolmiei Doris K. Kildale 1929-4-27 7451 Humboldt Willow Creek. Salya road, along Trinity River. 3 miles north of Willow Creek. Comment
  CAS-BOT-BC494355  Calochortus tolmiei Doris K. Kildale 1927-5-13 3248 Humboldt Redwood creek at Berngs' 289 Comment
  HSC89585  Calochortus tolmiei M. Roantree 1985-5-30 70 Humboldt W side of Trinidad Head on an outcropping W of trail Comment
  CAS-BOT-BC496923  Calochortus vestae Volney Rattan 1882-6-1 s.n. Humboldt Near Bridgeville Comment
  RSA47127  Calycadenia ciliosa Doris K. Kildale 1925-8-13 1126 Humboldt Willow Creek 152 Comment
  UC1222961  Calycadenia fremontii Joseph P. Tracy 1948-9-20 18220 Humboldt Hoopa Valley 91 Comment
  RSA54132  Calycadenia truncata subsp. scabrella H. M. Pollard 1946-8-31 s.n. Humboldt Orleans to Somes Bar Comment
  SEINET181238  Calystegia Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-9 15240 Humboldt Clam Beach 15 miles North Eureka Comment
  HSC32545  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 1973-7-10 1030 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  SEINET3992217  Camassia leichtlinii Unknown 1912-6-30 3717 Humboldt Eureka 61 Comment
  HSC45380  Camissonia cheiranthifolia R. York, Linda York 1978-4-1 99 Humboldt End of lighthouse Rd., 2 mi. SE of Petrolia. Comment
  POM254099  Camissonia cheiranthifolia subsp. cheiranthifolia A. H. Harris, S. K. Harris, Clarence Crane Jr. 1939-8-23 970 Humboldt Samoa Comment
  RSA244988  Camissonia cheiranthifolia subsp. cheiranthifolia Norman Dennis 1965-6-8 104 Humboldt Samoa Peninsula along the W side of the Humboldt Bay. Comment
  CHSC10102  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. W. Johnson 1961-8-17 1044 Humboldt Arcata. Sand dune fields, Lanphere Farm. Comment
  CHSC68787  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Vernon Oswald 1997-6-5 8532 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.0 mi south of Hwy. 255. 6 Comment
  SEINET10463418  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6946 Humboldt NR SNOW CAMP MTN, IAQUA BUTTES QUAD. NR WILLOW CR. EVERGREEN CONIFER FOREST, MEADOW, 4331 Comment
  SEINET10463446  Campanula scouleri Howard S. Irwin 1975-8-16 Irwin s.n. Humboldt GROGANS HOLE AREA. T8N R6E SEC. 16 Comment
  BLMAR76  Cardamine californica Jennifer Anthony-Wheeler 1994-6-2 76 Humboldt IAQUA, gwng up logging rd in conif forest 853 Comment
  UC162351  Cardamine californica Joseph P. Tracy 1905-4-2 2159 Humboldt near Blue Lake; Northern Coast Ranges, near Blue Lake 30 Comment
  UC492259  Cardamine nuttallii Joseph P. Tracy 1932-7-18 10717 Humboldt head Brett Hole (Trinity Summit); Klamath Mountains, , head Brett Hole 1828 Comment
  UC492260  Cardamine nuttallii Joseph P. Tracy 1927-6-12 8129 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC64793  Cardamine oligosperma J. P. Smith 1971-10-9 5015 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  POM118630  Cardamine oligosperma Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC90395  Cardamine oligosperma Jean Hanson 1980-4-12 37 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  CAS-BOT-BC38127  Cardamine pensylvanica Joseph P. Tracy 1937-7-2 15401 Humboldt Trinity Summit. Head of Little Hors-Linto Creek. 1371 Comment
  JEPS79828  Cardaria draba Joseph P. Tracy 1933-5-19 12201 Humboldt Alton to Fortuna (Eel R.); Eel R. 15 Comment
  CAS-BOT-BC384761  Cardionema ramosissimum Milo S. Baker 1927-8-16 2445 b Humboldt Samoa Comment
  RSA0097053  Cardionema ramosissimum R. F. Thorne, Percy C. Everett 1965-8-5 35155 Humboldt Samoa Dunes. 3 Comment
  UC1222956  Carduus pycnocephalus subsp. pycnocephalus Joseph P. Tracy 1947-6-8 17703 Humboldt vicinity of, 1/2 mi w of town Carlotta 30 Comment
  UC562652  Carex abrupta Joseph P. Tracy 1932-7-14 10546 Humboldt Corral Prairie Trinity Summit 1584 Comment
  SEINET200666  Carex abrupta Joseph P. Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1103586  Carex amplifolia Joseph P. Tracy 1933-8-6 12948 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC18002  Carex aquatilis var. dives Joseph Prince Tracy 1934-7-30 13504 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon). 3 Comment
  RSA32725  Carex aquatilis var. dives A. A. Heller 1930-8-4 s.n. Humboldt Little River. Comment
  POM160305  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt Near the Redwood House, on the road to head of Yager 610 Comment
  CAS-BOT-BC19441  Carex bolanderi Joseph Prince Tracy 1935-6-23 13985 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  CHSC93263  Carex bolanderi Thomas Nelson; Jane Nelson 1977-7-1 3552 Humboldt The Lassics. Along Blanket Creek. 1493 Comment
  RSA364621  Carex bolanderi Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek Canyon, near Orleans. Comment
  UC1103102  Carex bolanderi Joseph P. Tracy 1926-6-6 7574 Humboldt Hoopa Mountain, near summit on road W from Hoopa to Bair's 1066 Comment
  UC562712  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt on ridge 2 mi sw top; Salmon Summit 1767 Comment
  RSA364727  Carex densa Thomas W. Nelson, Ken Hindley 1978-5-28 4086 Humboldt On McKeown Ranch north of Dinsmore. 762 Comment
  CAS-BOT-BC34973  Carex densa Joseph Prince Tracy 1936-6-3 14847 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC34979  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  CAS-BOT-BC19860  Carex echinata subsp. echinata Joseph Prince Tracy 1933-7-25 12845 Humboldt North Coast Ranges. Grouse Mountains. 1524 Comment
  HSC40977  Carex fracta J. O. Sawyer 1970-6-24 2217 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC1116268  Carex gynodynama Joseph P. Tracy 1942-6-15 17127 Humboldt Englewood, Natural Prairie, near Redcrest Resort. Comment
  SEINET7561251 Image available Carex harfordii Andrew L. Hipp 1999-5-31 438 Humboldt Phillipsville, Edge of 101 (Redwood Hwy), big E-turn just S of the Miranda exit. 152 Comment
  SEINET8068029 Image available Carex harfordii A. L. Hipp 1999-1 438 Humboldt Phillipsville-Edge of 101 (Redwood Hwy), big E-turn just S. of the Miranda exit. Comment
  JEPS25966  Carex harfordii Joseph P. Tracy 1927-7-17 8279 Humboldt Three Cabins: grassy slopes on lower western foothills of Chaparral Mountain 457 Comment
  IRVC1227  Carex hendersonii R. H. Whittaker, W. A. Niering U Humboldt Humboldt Redwoods State Park. Comment
  RSA214832  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  UC197213  Carex hendersonii Joseph P. Tracy 1913-5-11 4070 Humboldt at Eureka Northern Coast Region 0 Comment
  UC303010  Carex hendersonii Joseph P. Tracy 1926-6-13 7598 Humboldt Blue Lake Northern Coast Ranges 152 Comment
  HSC103622  Carex hoodii Thomas W. Nelson, Jane Nelson 1987-6-11 8536 Humboldt Along Forest Service Rd. 13N01, 18 mi. from junction with State Route 96. 1067 Comment
  UC585636  Carex hoodii Joseph P. Tracy 1937-6-27 15377 Humboldt mountain slopes w mouth of South Fork of Trinity River; 4-mile Creek 670 Comment
  SEINET2430055  Carex laeviculmis Joseph P. Tracy 1929-7-4 8607 Humboldt French Camp Ridge 1070 Comment
  POM160829  Carex lenticularis var. limnophila Joseph P. Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  SEINET7467750 Image available Carex leptopoda J. A. Churchill 1984-5-29 8069 Humboldt entrance road to Cal-Barrel Area Comment
  UC1103588  Carex luzulina var. ablata Joseph P. Tracy 1923-6-24 6367 Humboldt Bald Mountain, near High Prairie Northern Coast Ranges 1066 Comment
  JEPS116608  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 Forest road 1661 Comment
  HSC98941  Carex mendocinensis Cara Witte 2008-6-4 682 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1276 Comment
  UC204898  Carex mendocinensis Joseph P. Tracy 1911-7-6 3343 Humboldt Northern Costa Ranges. Mountains slopes along road between Three Creeks and mouth of Willow Creek. Comment
  HSC102156  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1064 Humboldt Patterson Meadows 1555 Comment
  HSC102161  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1071 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC32132  Carex multicaulis Joseph Prince Tracy 1942-6-2 17105 Humboldt Valley of South Yager Creek. 762 Comment
  CAS-BOT-BC32135  Carex multicaulis George Ledyard Stebbins; J. P. Tracy 1942-6-2 3480 Humboldt Head of Yager Creek near Yager, rich soil of moist woods. Comment
  SEINET7568483 Image available Carex multicostata L. P. Janeway 2003-7-30 7945 Humboldt Grouse Mountain quad. High North Coast Ranges. Edge of seedy area at upper edge of Clear Lake, 2.9 km southeast of Titlow Hill. 1494 Comment
  HSC76817  Carex obnupta L. P. Janeway 1982-6-12 5 Humboldt Dry Lagoon 3 Comment
  JEPS94284  Carex obnupta Vernon Oswald and Lowell Ahart 1997-9-4 8856 Humboldt Samoa Dunes Recreation Area at the s end of the North Spit separating Humboldt Bay from the ocean North Spit; Samoa Dunes Recreation Area, North Spit Comment
  UC50826  Carex obnupta J. P. Tracy 1901-6-30 1193 Humboldt immediate vicinity Eureka 0 Comment
  UC8071  Carex obnupta Harley P. Chandler May, 1901 1122 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC7063  Carex obnupta J. W. Johnson 1962-4-11 1242 Humboldt Arcata, Dune 3 North, Christenson Farm, Samoa Peninsula Comment
  HSC91620  Carex obnupta E. Mackey 1986-6-16 Humboldt Patrick's Point State Park, beach N of Wedding Rock Comment
  UC196571  Carex obnupta Joseph P. Tracy 1916-5-31 4696 Humboldt along Eel River from South Fork to Scotia; Northern Coast Ranges, Holmes Flat 60 Comment
  CAS-BOT-BC119244  Carex pachystachya Joseph Prince Tracy 1939-7-9 16342 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC119245  Carex pachystachya Joseph Prince Tracy 1939-7-9 16340 Humboldt Snow Camp 1402 Comment
  HSC102163  Carex pachystachya M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1073 Humboldt Patterson Meadows 1555 Comment
  HSC82544  Carex pachystachya Thomas W. Nelson 1979-7-11 5005 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC1115800  Carex pachystachya Joseph P. Tracy 1939-6-9 16324 Humboldt Lake Prairie Bald Mountain 1066 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  HSC104335  Carex serratodens James Regan, Humboldt Redwood Co., LLC Jun 2011 32 Humboldt Kneeland, near Kneeland Airport 854 Comment
  HSC102533  Carex spectabilis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1519 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC562269  Carex stipata var. stipata Joseph P. Tracy 1931-5-17 9422 Humboldt opposite mouth Willow Creek (Lack Pond); Northern Coast Ranges, Trinity River Valley 152 Comment
  SEINET4290241 Image available Carex subbracteata Unknown 2009-1 24500 Humboldt Outer North Coast Range (NCoRO), above Route 299, 0.7 road miles W of Berry Summit. Comment
  SEINET7486521 Image available Carex subbracteata Peter F. Zika 2009-1 24494 Humboldt above Route 299, 2.3 road miles W of junction with Chezen Road, Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits Comment
  CAS-BOT-BC116904  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-23 4808 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC116910  Carex subbracteata var. subbracteata Joseph Prince Tracy 1936-6-9 14904 Humboldt Upper Mattole. 121 Comment
  CAS-BOT-BC116905  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-23 4842 Humboldt 8 miles from Kneeland on road to Yager. Comment
  HSC102158  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1066 Humboldt Patterson Meadows 1555 Comment
  UC562636  Carex subfusca Joseph P. Tracy 1936-6-5 14858 Humboldt 6 mi se Arcata (Fickle Hill) 579 Comment
  SEINET3910196  Carex tracyi Thomas W. Nelson, Jane P. Nelson 1978-6-10 4418 Humboldt Eureka Quad. Second growth redwood forest behind Eureka Seventh Day Advent Church on F St.; 0 61 Comment
  CAS-BOT-BC115570  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4848 Humboldt Kneeland Comment
  RSA517340  Carex tumulicola Barbara Ertter, Thomas J. Delendick 1987-5-16 6926 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  UC194813  Carex tumulicola Joseph P. Tracy 1906-6-24 2507 Humboldt near, Humboldt Hill, region about Humboldt Bay Fields Landing; Northern Coast Region 0 Comment
  JEPS109269  Carex unilateralis D. W. Taylor 2004-6-24 19135 Humboldt Clear Lake, Titlow Hill Road Comment
  POM248622  Carex unilateralis Joseph P. Tracy 1937-8-7 15618 Humboldt Bald Mt. 915 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
  UC562331  Carex vesicaria Joseph P. Tracy 1934-8-29 13622 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1103611  Carex vesicaria var. major J. P. Tracy 1901-5-12 1088 Humboldt immediate vicinity Eureka 0 Comment
  UC1103613  Carex vesicaria var. major Joseph P. Tracy 1923-9-2 6542 Humboldt Mc Clellan Mt. Northern Coast Ranges 914 Comment
  CAS-BOT-BC114983  Carex viridula Robert F. Thorne; P. Everett 1965-8-7 35198 Humboldt Big Lagoon at edge of bog at S end of Lagoon. 1 Comment
  HSC7088  Carex viridula H. E. Parks Sep 1934 5157 Humboldt Dry Lagoon Comment
  UC1056035  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt Dry Lagoon Comment
  UC179946  Castilleja affinis subsp. affinis Joseph P. Tracy 1914-5-14 4434 Humboldt Fort Seward; North Coast Ranges 121 Comment
  JEPS93135  Castilleja affinis subsp. litoralis M. Wetherwax 1992-5-20 2433 Humboldt nw of Loleta (Table Bluff, s end of Humboldt Spit into Humboldt Bay, bluff between road to Loleta and beach); Table Bluff 30 Comment
  UC1541375  Castilleja affinis subsp. litoralis Harold E. Parks 1934-5-1 4828 Humboldt Trinidad; Spruce Cove Comment
  CAS-BOT-BC249254  Castilleja ambigua subsp. humboldtiensis Doris K. Kildale 1928-5-25 6041 Humboldt Eureka - end of third street near drawbridge 15 Comment
  HSC36100  Castilleja ambigua subsp. humboldtiensis Tom Mills 1974-5-12 Humboldt Beside Humboldt Bay near Bayside Cut-off Comment
  HSC55347  Castilleja applegatei Griswold, Butler 1979-7-12 7237 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC56121  Castilleja applegatei G. L. Clifton, Griswold 1979-8-1 11903 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  JEPS24219  Castilleja applegatei subsp. pinetorum Peter H. Raven with R. Snow 1958-7-20 13636 Humboldt 2.0 mi s junction of Titlow Hill and Friday Ridge roads (near Grouse Mountain) Comment
  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
  JEPS76825  Castilleja exserta subsp. latifolia L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4805 Humboldt beach at Manila Manila; Samoa Peninsula, beach at Manila Comment
  CAS-BOT-BC244882  Castilleja miniata E. A. McGregor 1921-8-8 s.n. Humboldt 3 miles up Klamath River Comment
  UC199378  Castilleja rubicundula subsp. lithospermoides P. E. Goddard 1907-5-29 . 104 Humboldt Van Duzen Comment
  SEINET10582751  Castilleja wightii subsp. rubra Rimo Bacigalupi, Lawrence R. Heckard 1964-7-27 Bacigalupi 8962 Humboldt Shaded bend of road just (1/8 mile) above and east of Shelter Cove. On partly shaded n.-facing road bank. Comment
  UC1502103  Ceanothus R. Sutherland 1975-7-4 8 .4.7 75 Humboldt Pt. Delgada Quad. 518 Comment
  HSC41255  Ceanothus arcuatus Brad Klipfel 1974-6-25 445 Humboldt Horse Mtn. Comment
  HSC44432  Ceanothus arcuatus Brad Klipfel 1975-5-24 634 Humboldt Horse Mtn. Comment
  HSC18275  Ceanothus cuneatus Francis Winter 1960-4-24 Humboldt Along rd., French Camp Ridge 915 Comment
  CAS-BOT-BC49655  Ceanothus foliosus var. foliosus Dr. A. Kellogg; W. G. W. Harford 1868-1-1 s.n. Humboldt Red Mt. Route Comment
  CAS-BOT-BC50056  Ceanothus incanus Carl B. Wolf 1927-8-30 1243 Humboldt Paradise, 5 or 6 mi. N. of Ettersburg Comment
  HSC37053  Ceanothus incanus R. Sutherland 1975-5-26 1 .26575 Humboldt 305 Comment
  UCD112168  Ceanothus incanus B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest of Garberville. Comment
  OBI10458  Ceanothus integerrimus Carl B. Wolf 1937-8-13 9235 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  UC1193284  Ceanothus oliganthus var. sorediatus P. Zinke 1950-10-4 173 Humboldt w ridge Brushy Mt. (1.5 mi fron ocean.); Quad. 28D2 914 Comment
  UC1004332  Ceanothus parryi W. L. Colwell 1954-11-20 22 Humboldt along Eel River 3 mi e South Fork; Quad. 29B4, Eel River e of South Fork 91 Comment
  UC18401  Ceanothus parryi Bolander Jun 1867 6572 bis Humboldt Comment
  UC249584  Ceanothus parryi Joseph P. Tracy 1921-6-12 5823 Humboldt Butler Valley Road near Kneelans Prairie 457 Comment
  CAS-BOT-BC52042  Ceanothus prostratus Doris K. Kildale 1926-4-25 1810 Humboldt Hoopa Mountain 792 Comment
  CAS-BOT-BC52045  Ceanothus prostratus Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC18328  Ceanothus thyrsiflorus J. F. Knezevich 1968-5-14 442 Humboldt 11 mi. S of Ferndale on rd. to Cape Mendocino 305 Comment
  HSC60290  Ceanothus thyrsiflorus Phyllis Krieg 1979-4-21 Humboldt Near Clam Beach Lagoon Trail, E of Hwy. 101 0 Comment
  JEPS42147  Ceanothus thyrsiflorus W. L. Jepson 1921-8-11 9409 Humboldt Big Lagoon, S end of Fern prairie Humboldt coast Comment
  HSC18348  Ceanothus velutinus R. E. Thill 1965-5-15 33 Humboldt 1.0 mi E of Willow Creek on Hwy. 299 Comment
  UC503021  Ceanothus velutinus Joseph P. Tracy 1932-7-17 10698 Humboldt open ground at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  UC1199120  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Eureka 60 Comment
  UC582508  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Comment
  UC1119115  Centaurea cyanus H. L. Person 1932-8-7 Humboldt Korbel Eureka Comment
  UC204750  Centaurea cyanus Joseph P. Tracy 1918-7-1 4963 Humboldt along river from South Fork to Scotia, Holmes Flat Eel River; North Coast Ranges, , Holmes Flat 60 Comment
  HSC98771  Centaurea diffusa Cara Witte 2007-8-9 634 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1584 Comment
  CDA36344  Centaurea jacea Domenic Bongio 2011-11-15 PDR# 1414345 Humboldt Trinidad; Hwy 101 at mile-maker 104.05 near Patrick s Point Dr. 0 Comment
  UC162716  Centaurium muehlenbergii Joseph P. Tracy 1911-7-10 3485 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1198614  Centunculus minimus Joseph P. Tracy 1934-6-23 13254 1/2 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UC154177  Centunculus minimus Harley P. Chandler May, 1901 1180 Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  UC562467  Centunculus minimus Joseph P. Tracy 1935-5-25 13834 Humboldt Fort Seward 106 Comment
  HSC72635  Cephalanthera austiniae J. P. Smith 1977-7-3 9248 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  RSA20843  Cerastium arvense C. B. Wolf 1937-6-18 8883 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  RSA168880  Cerastium arvense subsp. maximum Joseph P. Tracy 1950-6-15 18820 Humboldt Mail Ridge, north of Harris 7 miles Comment
  UC668109  Cerastium fontanum subsp. vulgare Joseph P. Tracy 1933-5-28 12412 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  HSC12705  Cerastium glomeratum Jana Kattenhorn 1970-10-28 151 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  UC1198315  Cerastium glomeratum Joseph P. Tracy 1913-6-14 4123 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Northern Coast Ranges, Van Duzen R. Valley, Dinsmore's Ranch 762 Comment
  CAS-BOT-BC179477  Cercis occidentalis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopo Valley Comment
  CAS-BOT-BC179507  Cercis occidentalis C. B. Wolf 1931-8-31 2380 Humboldt Gravel slopes on west side of South Fork of Trinity River, 1 mile above its mouth. The Sandy Bar Swimming Hole 243 Comment
  UC249729  Cercis occidentalis Joseph P. Tracy 1921-9-4 5950 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  SD29532  Chamaebatia foliolosa Edmund R. Cross 1942-6-23 Humboldt High Sierra Trail, Sequoia National Park Comment
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Oct 26 2014
  HSC41651  Chamaecyparis lawsoniana Thomas W. Nelson 1977-10-20 3758 Humboldt Above junction of Maple Creek and Kneeland Rds. 854 Comment
  HSC44337  Chamaecyparis lawsoniana Brad Klipfel 1975-6-17 674 Humboldt Horse Mtn. Comment
  UC1198973  Chamaesyce serpyllifolia Joseph P. Tracy 1920-8-15 5382 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  CAS-BOT-BC166043  Chamerion angustifolium subsp. circumvagum Carl B. Wolf 1927-8-22 767 Humboldt Big Lagoon Comment
  HSC55266  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-8-2 12631 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC100931  Cheilanthes californica Miss Handy Jun 1886 343 Humboldt Maple Cr. Comment
  RSA685760  Cheilanthes gracillima Henry M. Pollard 1948-7-24 s.n. Humboldt Near Orleans. Comment
  UC275478  Chenopodium ambrosioides Joseph P. Tracy 1925-7-26 7212 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  POM188634  Chenopodium botrys Marcus E. Jones 1931-7-16 28870 Humboldt Junction, East of Arcata Comment
  RSA44503  Chenopodium pumilio H. M. Pollard 1947-8-31 s.n. Humboldt Orleans Hotel grounds, Orleans. Comment
  HSC55035  Chimaphila menziesii Overton, Butler 1979-7-31 11486 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  CHSC20344  Chloris truncata D. E. Anderson 1970-1-20 Humboldt In the Humboldt State College Greenhouses. Seed source: Australia. Comment
  JEPS61591  Chlorogalum pomeridianum var. pomeridianum Lincoln Constance 1934-6-12 866 Humboldt Bull Creek Road and n bank South Fork Eel River (Bull Creek Region, Dyerville); Bull Creek Region, N bank South Fork Eel River, Dyerville Comment
  CAS-BOT-BC236919  Chloropyron maritimum subsp. palustre Malcom A. Nobs; S. Galen Smith 1949-8-3 1200 Humboldt Bordering Humboldt Bay, ca. 2 miles north of Eureka Comment
  CAS-BOT-BC30124  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-30 13036 Humboldt Northern Coast Ranges. Grouse Mountain 1524 Comment
  HSC8056  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt Above Kerlin Creek, S. Fork Mtn. Comment
  UC484077  Chrysolepis chrysophylla Carl B. Wolf 1930-10-30 Humboldt Old Coast Road at Thorn; Thorn 304 Comment
  HSC36303  Cicuta douglasii C. Cornish 1973-10-10 1 Humboldt Shore of Freshwater Lagoon Comment
  RSA183599  Cinna latifolia D. E. Anderson 1965-9-5 4085 Humboldt Along Mad river, ca. 3 miles south of Blue Lake Comment
  HSC56141  Circaea alpina subsp. pacifica G. L. Clifton, Griswold 1979-8-1 11966 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC58391  Circaea alpina subsp. pacifica G. L. Clifton 1979-7-31 14100 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1433 Comment
  CAS-BOT-BC284403  Cirsium arvense Alice Eastwood 1921-7-21 10659 Humboldt Carlotta Comment
  POM289624  Cirsium arvense Lyman Benson 1928-7-12 482 Humboldt Weott Ranger Station, Seaward N. Coast Mt. Range, South Fork Eel River Watershed. 61 Comment
  SEINET9341561  Cirsium brevifolium Unknown 1948-9-3 1850 Humboldt Humboldt Comment
  CAS-BOT-BC284441  Cirsium brevistylum L. R. Abrams 1927-9-1 12062 Humboldt Big Lagoon Comment
  HSC40773  Cirsium brevistylum Thomas W. Nelson 1976-7-9 3014 Humboldt Along S.R. 36 just E of Heley Creek Comment
  HSC98566  Cirsium cymosum var. cymosum Cara Witte 2008-7-30 981 Humboldt Horse Mountain Botanical Area. 1/4 mile east of intersection National Forest 1, and Forest Service Roads 6N36, 6N38. 1426 Comment
  CHSC114324  Cirsium douglasii B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd., 4.8 mi. S of Hwy 299. Comment
  JEPS89473  Cirsium douglasii var. breweri Dean W. Taylor 1991-8-15 12302 Humboldt ridge 1 mi w of Horse Mountain (North Coast Ranges); North Coast Ranges 1493 Comment
  UC249822  Cirsium douglasii var. douglasii Joseph P. Tracy 1924-7-6 6717 A Humboldt near Ruby Creek (on the Willow Creek Highway); Northern Coast Ranges 609 Comment
  UC1223055  Cirsium occidentale var. venustum Joseph P. Tracy 1948-8-8 18092 Humboldt hillside back of (Iaqua and Bridgeville) Iaqua School House Comment
  UC128736  Cirsium remotifolium var. odontolepis Harley P. Chandler 1901-6-1 1504 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  JEPS43543  Clarkia amoena subsp. huntiana W. L. Jepson 1927-7-3 12369 Humboldt Garberville 228 Comment
  CAS-BOT-BC164182  Clarkia concinna Doris K. Kildale 1925-5-24 873 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  HSC35277  Clarkia concinna subsp. concinna J. D. Ackerman, A. M. Montalvo 1975-6-22 494 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  CHSC52939  Clarkia davyi L. P. Janeway 1984-5-16 792 Humboldt On the North Spit of Humboldt Bay; on the west side of Samoa Rd ca 1/4 mile north of the boat ramp. 3 Comment
  UC184710  Clarkia davyi Joseph P. Tracy 1912-7-21 3771 Humboldt Alton Northern Coast Region 30 Comment
  JEPS43694  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1936-6-10 14935 Humboldt mountain slopes w of mouth South Fork Trinity River 609 Comment
  POM214926  Clarkia purpurea subsp. purpurea Joseph P. Tracy 1932-6-26 10264 Humboldt North Coast Ranges: Valley of South Yager Creek 762 Comment
  UC1196986  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1930-6-15 8745 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  CAS-BOT-BC172508  Clarkia purpurea subsp. quadrivulnera C. C. Harris; S. K. Harris; J. P. Tracy 1942-6-22 1261 Humboldt In a field, 7 miles north and 5 miles east of Willow Creek 165 Comment
  UC1071933  Clarkia purpurea subsp. quadrivulnera H. and M. Lewis 1947-6-13 415 Humboldt 0.1 mi w Trinity Co. line (Highway 36) Comment
  CAS-BOT-BC172394  Clarkia purpurea subsp. viminea Henry M. Pollard 1948-7-19 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC172388  Clarkia purpurea subsp. viminea Richard Spellenberg 1965-6-13 1109 Humboldt Along road on E side of Trinity River, about 3/4 mile S. of hwy. through Hoopa Indian Reservation Comment
  CHSC77466  Claytonia exigua subsp. exigua Vernon H. Oswald 2000-4-3 9912 Humboldt Near the junction of New Navy Base Rd. and the road to Fairhaven on the North Spit of Humboldt Bay. 9 Comment
  SEINET200315  Claytonia exigua subsp. exigua J. P. Tracy 1926-4-3 7396 Humboldt Kneeland Prairie local Comment
  HSC96213  Claytonia exigua subsp. glauca M. Lindquist, C. Riley 2005-6-15 12 Humboldt 1490 Comment
  HSC17709  Claytonia parviflora subsp. parviflora Elrid H. Spinas 1948-5-22 34 Humboldt Horse Mtn. Comment
  HSC17699  Claytonia perfoliata John A. Dubois 1962-5-12 6 Humboldt 20 mi. E of Arcata Comment
  HSC79435  Claytonia perfoliata subsp. mexicana Kenneth Clark 1981-4-5 1227 Humboldt Dead Man's Gulch 69 Comment
  HSC101983  Claytonia rubra M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 880 Humboldt Patterson Meadows 1566 Comment
  HSC78609  Claytonia rubra subsp. depressa L. P. Janeway, K. Berg, Paul Wilson 1985-1-19 1197 Humboldt N Spit of Humboldt Bay, BLM Wallflower Protection Area 5 Comment
  HSC73938  Claytonia rubra subsp. rubra Gail Newton 1980-6-28 684 Humboldt Near Mad River Butte. 1536 Comment
  HSC71810  Claytonia saxosa Thomas W. Nelson, Jane P. Nelson 1980-6-27 5952 Humboldt Six Rivers National Forest, saddle between two peaks E of Mt. Lassic 1768 Comment
  UC183592  Claytonia saxosa Joseph P. Tracy 1913-6-17 4185 Humboldt near Buck Mountain summit (between the first and second peaks of Buck Mountain); Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC104049  Claytonia sibirica E. R. Fyer 2015-4-29 28 Humboldt Arcata Community Forest 92 Comment
  HSC17726  Claytonia sibirica D. E. Anderson 1961-10-1 1855 Humboldt E side of Freshwater Lagoon Comment
  HSC55112  Claytonia sibirica G. L. Clifton 1979-7-31 11861 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC99422  Claytonia sibirica K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 71 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  CAS-BOT-BC443899  Claytonia sibirica Joseph P. Tracy 1937-7-2 15388 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  SD88361  Claytonia sibirica D. F. Howe 1972-5-6 Humboldt 1.5 miles north of Phillipsville 91 Comment
  UC672986  Claytonia sibirica Joseph P. Tracy 1930-7-16 8921 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC62682  Claytonia washingtoniana Michelle Stevens 1979-4-21 53 Humboldt Ponds across from Clam Beach 0 Comment
  HSC24331  Claytonia washingtoniana C. E. Fellows 1971-6-7 453 Humboldt 0.2 mi. E of RR track on West End Rd., above the Mad River Comment
  JEPS61603  Clintonia andrewsiana W. L. Jepson 1932-8-9 16540 Humboldt Bull Creek 106 Comment
  HSC100554  Clintonia andrewsiana Carl C. Marshall May 1885 69 Humboldt Redwood forests. Comment
  JEPS61601  Clintonia andrewsiana W. L. Jepson 1921-9-11 9462 Humboldt n of Garberville Comment
  HSC72683  Clintonia uniflora J. P. Smith 1977-7-3 9265 Humboldt Onion Lake Comment
  UC1222824  Collinsia heterophylla Joseph P. Tracy 1950-6-15 18812 Humboldt at Huestis Rock on ne side of Ridge (Mail Ridge Trip) Huestis Rock 822 Comment
  UC582466  Collinsia heterophylla Joseph P. Tracy 1935-5-25 13896 Humboldt Dobbyn Creek 152 Comment
  JEPS6199  Collinsia linearis Joseph P. Tracy 1932-7-12 10439 Humboldt Corral Prairie, open places Corral Prairie; Trinity Summit 1584 Comment
  UC162568  Collinsia linearis Joseph P. Tracy 1911-7-6 3336 Humboldt along road between Three Creeks and Mouth of Willow Creek (Northern Coast Ranges); Northern Coast Ranges 762 Comment
  UC727681  Collinsia linearis Milo S. Baker 1946-6-15 11486 Humboldt near Head of Willow Creek Canyon (Trinity Highway); Trinity Highway Comment
  HSC102110  Collinsia parviflora M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1013 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC97483  Collinsia parviflora C. Witte 2007-5-10 18 Humboldt Along National Forest 1, near Kinsey Ridge. .2 miles south of intersection with 5N04. 1451 Comment
  UC55956  Collinsia rattanii J. P. Tracy 1902-6-3 1665 Humboldt Ridge between Eel River and South Fork, near Hubbard's Station Eel River; Ridge between Eel River and South Fork 609 Comment
  HSC48850  Collomia grandiflora Brad Klipfel 1973-7-15 208 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC615026  Collomia grandiflora Beryl O. Schreiber 1934-6-6 1143 Humboldt Gray's Resort Redwood Creek (brushy slope) Comment
  UCR111241  Collomia heterophylla H. E. Parks 1933-1 01152 Humboldt North Coast, Spruce Cove, Trinidad 76 Comment
  HSC16923  Collomia heterophylla Anonymous 1957-4-27 123 Humboldt 5 mi. E of Honeydew Comment
  SEINET7963087 Image available Collomia heterophylla S. K. Harris 1942-1 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E 600 Comment
  SEINET12278705  Collomia tinctoria H. P. Chandler 1901-1 1475 Humboldt Klamath River 427 Comment
  UC52410  Collomia tracyi Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5675 Humboldt dry rocky places on summit North Coast Ranges, Hoopa Mountain Comment
  HSC37959  Convolvulus arvensis Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  HSC25946  Convolvulus arvensis Thomas W. Nelson 1970-12-1 289 Humboldt 1 mi. N of the N Rio Dell bridge over the Eel River Comment
  CDA30705  Conyza canadensis M. K. Beyers, I. Shepardson 2009-9-13 254 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
  UC176373  Corallorhiza maculata Joseph P. Tracy 1913-6-17 4191 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1524 Comment
  JEPS64350  Corallorhiza mertensiana Virginia P. Fox July 1919 Humboldt Bald Mountain Comment
  UC14973  Corallorhiza mertensiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5621 Humboldt Bald Mt. North Coast Ranges Comment
  UC275531  Corallorhiza mertensiana Joseph P. Tracy 1923-6-22 6347 Humboldt Bald Mt. Northern Coast Ranges 914 Comment
  UC1173700  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1939-8-16 16418 Humboldt Grouse Mountain 1524 Comment
  HSC38284  Corethrogyne filaginifolia J. P. Smith 1976-10-3 8993 Humboldt Samoa Peninsula, just W of the drag strip Comment
  UC1223036  Corethrogyne filaginifolia Joseph P. Tracy 1950-6-18 18764 A Humboldt 1 mi w of town Petrolia Comment
  CAS-BOT-BC212020  Cornus nuttallii H. L. Mason 1928-7-14 4897 Humboldt East fork of Eel River near Garberville Comment
  UC1196910  Cornus nuttallii Joseph P. Tracy 1922-4-30 6031 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 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
  UC1197931  Corylus californica Mary Harriet Tracy 1946-5-30 Humboldt 5 mi E of Carlotta (Riverside Park) 30 Comment
  UC1197933  Corylus californica Joseph P. Tracy Jul 16-19 1930 9058 Humboldt South Fork Mountain, along summit near Blake lookout Northern Cosast Ranges 1706 Comment
  CAS-BOT-BC180306  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 332 Humboldt Along Van Duzen River Comment
  HSC41356  Corylus cornuta subsp. californica Brad Klipfel 1974-8-2 505 Humboldt Horse Mtn. Comment
  HSC57139  Corylus cornuta subsp. californica Overton, Butler 1979-7-25 9919 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  RSA170263  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton. 30 Comment
  HSC77347  Crassula connata L. P. Janeway 1983-5-1 256 Humboldt W of Samoa Rd. and N of Coast Guard lands 6 Comment
  HSC48026  Crepis acuminata Brad Klipfel 1974-6-25 424 Humboldt Horse Mtn. Comment
  CAS-BOT-BC291490  Crepis capillaris David D. Keck; J. Clausen 1935-6-16 3396 Humboldt Just south of Trinidad Comment
  HSC5446  Crepis capillaris L. K. Weld 1967-7-16 2 Humboldt Myrtle Ave. 1 mi. S of Freshwater Corners Comment
  CAS-BOT-BC290909  Crepis setosa Henry M. Pollard 1948-8-8 s.n. Humboldt Between Orleans and Camp Creek Comment
  UC526751  Crypsis vaginiflora Joseph P. Tracy 1932-9-3 10762 Humboldt Alton to Fortuna; Northern Coast Region, Eel River 15 Comment
  HSC57991  Cryptantha affinis G. L. Clifton, Griswold 1979-7-31 11739 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58047  Cryptantha affinis G. L. Clifton, Griswold 1979-8-1 11906 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC58175  Cryptantha affinis G. L. Clifton, Griswold 1979-8-2 12257 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC40851  Cryptantha affinis Thomas W. Nelson 1976-7-9 2998 Humboldt Along W side of ridge S of E peak of Lassic Mtn., (Signal Peak). 1524 Comment
  SEINET12280692  Cryptantha affinis J. P. Tracy 1950-1 18956 Humboldt Friday Ridge 1219 Comment
  UC175691  Cryptantha flaccida Joseph P. Tracy 1908-6 2758 Humboldt opposite Buck Mountain (at Little Van Duzen Bridge); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC3576  Cryptantha leiocarpa J. W. Johnson 1962-5-27 1381 Humboldt Arcata; at N end near the foredunes, Christensen Farm, Samoa Peninsula Comment
  UC525586  Cryptantha leiocarpa Joseph P. Tracy 1932-5-10 9939 Humboldt s of point of Cape Mendocino (near ocean shore); Cape Mendocino 3 Comment
  UC175786  Cryptantha torreyana J. P. Tracy 1903-5-22 1879 Humboldt Alder Point Bridge Eel River 152 Comment
  UC179963  Cryptantha torreyana Joseph P. Tracy 1914-7-5 4560 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  SEINET10531493  Cupressus macrocarpa Fred G. Meyer 1938-4-7 Meyer 1397 Humboldt About 20 miles north of Eureka Comment
  UC562476  Cuscuta campestris Joseph P. Tracy 1925-8-2 7220 Humboldt Big Lagoon 3 Comment
  UC902072  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18429 Humboldt Box Camp Trinity Summit 1463 Comment
  UC1197869  Cuscuta subinclusa Doris Kildale 1926-9-6 Humboldt Lasseck Peak Comment
  JEPS14218  Cymopterus terebinthinus var. californicus Joseph P. Tracy 1929-6-3 8600 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC1103239  Cynosurus cristatus Joseph P. Tracy 1941-7-26 16969 Humboldt Eureka 30 Comment
  UC668030  Cyperus bipartitus Joseph P. Tracy 1938-8-14 16113 Humboldt slopes w. of its mouth S. Fork Trinity R. 304 Comment
  HSC45955  Cyperus eragrostis J. P. Smith, Steve Selva 1970-6-14 3823 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  CDA38926  Cyperus eragrostis Gordon Leppig 1998-6-26 859 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. Comment
  HSC74131  Cystopteris fragilis R. York 1980-5-23 613 Humboldt Near Buck Mtn. 1524 Comment
  HSC74727  Cystopteris fragilis Gail Newton 1981-7-23 2282 Humboldt Near Bug Creek Butte. 1350 Comment
  HSC97609  Cystopteris fragilis Cara Witte 2007-6-4 203 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  HSC10935  Dactylis glomerata Paul Shields Nov 1954 Humboldt Humboldt State campus. Comment
  JEPS72926  Dactylis glomerata Lincoln Constance 1934-6-6 828 Humboldt Fire trail Dyerville to Horse Prairie and return Bull Creek Region; South Fork Eel River, Bull Creek Region Comment
  CAS-BOT-BC189744  Danthonia californica Joseph P. Tracy 1932-7-10 10392 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 Comment
  CAS-BOT-BC189745  Danthonia californica Joseph P. Tracy 1935-6-23 13965 Humboldt French Camp Ridge. 1066 Comment
  HSC71722  Danthonia californica Marc Baker 1980-7-26 2465 Humboldt Near Sims Creek. 610 Comment
  UCD60966  Danthonia californica var. americana R. Tofsrud 1948-9-3 Humboldt Border of Clear Lake, on road from Horse Mt. to Grouse Mt. 1371 Comment
  CAS-BOT-BC420358  Darmera peltata Doris K. Kildale 1928-6-24 5247 Humboldt Redwood Creek at Berry's Comment
  CAS-BOT-BC420360  Darmera peltata Volney Rattan 1903-1-1 s.n. Humboldt unspecified Comment
  UC169898  Datisca glomerata Harley P. Chandler June, 1901 1518 Humboldt Klamath River; North Coast Ranges, Klamath River 426 Comment
  CHSC68776  Daucus pusillus Vernon Oswald 1997-6-5 8544 Humboldt North Spit of Humboldt Bay 3.7 mi south of Hwy. 255, Orvil Wilson Memorial Off- road Vehicle Park opposite the junction of New Navy Base Rd. and Loncoln Ave. 6 Comment
  HSC46960  Daucus pusillus J. P. Smith, Thomas W. Nelson 1977-6-30 9200 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  UC1197349  Daucus pusillus J. P. Tracy 1901-6-16 1145 Humboldt near Bucksport 0 Comment
  UC1196318  Delphinium decorum subsp. decorum Joseph P. Tracy 1914-5-3 4418 Humboldt bluff s of Bucksport (vicinity of Eureka); Northern Coast Region 0 Comment
  CAS-BOT-BC9033  Delphinium decorum subsp. tracyi Doris K. Kildale 1928-4-29 5963 Humboldt Horse Mountain 853 Comment
  HSC97582  Delphinium decorum subsp. tracyi Cara Witte 2007-5-23 105 Humboldt Near Grouse Mtn. Along 4N32. Approximately 0.5 mi. S of intersection with 5N04 and 4N32E. 1398 Comment
  CAS-BOT-BC10317  Delphinium hesperium Doris K. Kildale 1926-5-31 2079 Humboldt Cold Brook Camp between Kilipeville & lower Lake Comment
  UC160927  Delphinium hesperium subsp. hesperium Harley P. Chandler May 1901 1252 Humboldt Redwood Belt North Coast Ranges 152 Comment
  UCSB28370  Delphinium nudicaule Phelps, M. 1972-3-19 Humboldt 0.4 mi. east of Elk Point; near Basin Creek; Somerville Ranch; Garberville 457 Comment
  CAS-BOT-BC121959  Delphinium trolliifolium Doris K. Kildale 1927-3-26 3089 Humboldt Alton Hill 45 Comment
  CAS-BOT-BC121974  Delphinium trolliifolium Alice Eastwood; John Thomas Howell 1937-6-23 4770 Humboldt Near Dinsmore's Comment
  CAS-BOT-BC121975  Delphinium trolliifolium Mrs. G Earle Kelly 1924-6-1 s.n. Humboldt Kneeland Prairie Comment
  CAS-BOT-BC121966  Delphinium trolliifolium Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 8.4 miles SW of Ferndale on road to Cape Mendocino. Comment
  JEPS5768  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  SEINET3927247  Deschampsia cespitosa David D. Keck 1938-8-5 4773 Humboldt Big Lagoon.; 0 Comment
  SEINET4566835  Deschampsia cespitosa J. Davy, W. Blasdale 1899-1 6213 Humboldt Eureka Comment
  CAS-BOT-BC194290  Deschampsia cespitosa subsp. cespitosa Doris Kildale 1931-5-10 10679 Humboldt Snow Camp Comment
  HSC99497  Deschampsia danthonioides K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 157 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  CAS-BOT-BC201772  Deschampsia elongata W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  CAS-BOT-BC201776  Deschampsia elongata Doris K. Kildale 1928-6-24 7079 Humboldt Redwood Creek at Berry's Comment
  CAS-BOT-BC201781  Deschampsia elongata Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 Comment
  HSC63882  Deschampsia elongata M. A. Baker 1979-6-29 960 Humboldt Hopkins Creek 750 Comment
  HSC74436  Deschampsia elongata Gail Newton 1980-8-10 2067 Humboldt Near Blake Mtn. 1707 Comment
  HSC75510  Deschampsia elongata J. O. Sawyer, R. J. Cole 1977-7-3 3019 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  HSC99038  Deschampsia elongata Cara Witte 2007-6-13 263 Humboldt Along Forest Service Road 5N04. Near spring by Grouse Mountain. 1583 Comment
  RSA245021  Deschampsia elongata D. E. Anderson 1970-5-21 5081 Humboldt Scotia Bluffs Comment
  SBBG59443  Deschampsia elongata H. E. Parks -May-1931 3646 a Humboldt Big Lagoon Comment
  UC1103215  Deschampsia elongata J. P. Tracy 1899-7-22 331 Humboldt immediate vicinity of Eureka 0 Comment
  CHSC32856  Dicentra formosa Lora Anderson 1981-4-26 4 Humboldt Ca. 5 m n of Clam Bach Rd. 0.5 km e of Hwy. 101, 9.5 mi n of Arcata. 0 Comment
  HSC8366  Dicentra formosa J. R. Kahl 1962-4-2 13 Humboldt 2 mi. S of Trinidad along Hwy. 101, 10 yds. off road Comment
  JEPS9738  Dicentra formosa Joseph P. Tracy 1933-7-16 12794 Humboldt South Fork Mt. North Coast Ranges (near top at county line) 1676 Comment
  RSA168936  Dicentra formosa subsp. formosa Joseph P. Tracy 1950-6-8 18720 Humboldt Near Mountain Glen, 7 miles south of Ferndale, Bear River Ridge 610 Comment
  RSA433572  Dicentra formosa subsp. formosa Christopher Davidson 1973-5-29 2200 Humboldt Ca. 2 mi S of Carlotta on St. Hwy 36 61 Comment
  UC35009  Dicentra uniflora J. Burtt Davy 1899-6-23 5816 Humboldt Trinity Summit summit; North Coast Ranges 2133 Comment
  CAS-BOT-BC209196  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1900-8-26 925 Humboldt Eureka 60 Comment
  UCD139216  Dichelostemma capitatum subsp. capitatum K. Esau 1934-5-7 s.n. Humboldt above Fort Seward. 457 Comment
  UCR32171  Dichelostemma ida-maia David J. Keil 1983-7-2 17339 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  CAS-BOT-BC501022  Dichelostemma ida-maia Henry M. Pollard 1946-8-16 s.n. Humboldt Across [Klamath] river from Orleans Comment
  CAS-BOT-BC501026  Dichelostemma ida-maia H. D. Ripley; R. C. Barneby 1945-6-16 6810 Humboldt S. of Weott 91 Comment
  SD42568  Dichelostemma ida-maia Carl B. Wolf 1937-8-11 9146 Humboldt North Coast Range, 3 miles west of Little Van Duzen River, at summit of grade - Dinsmores to Bridgeville. 762 Comment
  SEINET12049824  Dichelostemma ida-maia F. H. Utech 1986-1 86 -396 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  UC666912  Dichelostemma ida-maia Joseph P. Tracy 1937-7-19 15450 Humboldt nw slope Buck Mountain 914 Comment
  UCSB13002  Dichelostemma ida-maia Muller, Katherine 1954-6-21 Humboldt Mad River Camp #2 on Mad River, below Ruth P.O. Comment
  UC1198172  Dichelostemma multiflorum Joseph P. Tracy 1939-4-29 16233 Humboldt near Weitchpec (along Trinity River); Trinity River 121 Comment
  HSC6401  Dichondra donelliana J. P. Tracy 1932-3-20 9785 Humboldt Near ocean, Trinidad 3 Comment
  UC198616  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  UC1103230  Digitaria sanguinalis Joseph P. Tracy 1948-10-20 18254 Humboldt Eureka 30 Comment
  CAS-BOT-BC153234  Diplacus kelloggii John Cromwell; Julie Schneider; Audie Thoele 1994-3-19 5 Humboldt Hell's Half Acre, trailhead located about 12 miles South of South Fork Road off of Hwy. 299 457 Comment
  UC30077  Disporum hookeri Harley P. Chandler May, 1901 1089 Humboldt North Coast Ranges 152 Comment
  POM277202  Disporum hookeri var. hookeri Lyman Benson 1928-7-11 163 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  HSC9632  Distichlis spicata J. M. Johnson 1962-7-29 Humboldt On dike beside Mad River slough, W.M. Lanphere Farm, Samoa peninsula. Comment
  JEPS14670  Dodecatheon alpinum Joseph P. Tracy 1932-7-14 10565 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  HSC17876  Dodecatheon hendersonii J. Wendell Howe 1932-4-10 Humboldt Lord Ellis Rd. E of Korbel (20 mi. E) Comment
  UC562464  Dodecatheon hendersonii Joseph P. Tracy 1927-4-2 7879 Humboldt facing South Fork of Eel River Northern Coast Ranges, fcg South Fork Eel River (Phillipsville) 121 Comment
  UC1199496  Downingia elegans Joseph P. Tracy 1928-6-24 8475 Humboldt between Middle Yager Creek and North Yager Creek (East Ranch) 762 Comment
  HSC35347  Drymocallis glabrata A. M. Montalvo, J. D. Ackerman 1975-6-22 480 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  CAS-BOT-BC159613  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1929-5-26 9136 Humboldt Klamath River at Orleans 152 Comment
  JEPS47204  Drymocallis rhomboidea Joseph P. Tracy 1927-5-14 8002 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC33655  Dryopteris arguta Margaret Weatherwax 1975-6-1 172 Humboldt Ward Rd. to Snow Camp Comment
  JEPS35200  Dryopteris arguta W. L. Jepson 1932-8-9 16542 Humboldt Deerfoot Glade Bull Creek 121 Comment
  SEINET6424295 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  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
  JEPS19987  Dulichium arundinaceum Joseph P. Tracy 1938-9-25 16173 Humboldt Bald Mountain at Lake Prairie Bald Mountain; , Lake Prairie 1066 Comment
  CAS-BOT-BC113802  Dulichium arundinaceum Joseph Prince Tracy 1938-9-25 16173 Humboldt Dense masses in shallow water, Bald Mountain, at Lake Prairie. 1066 Comment
  HSC98715  Dysphania botrys Cara Witte 2007-8-1 617 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1/4 mile east of intersection with Friday Camp. 1297 Comment
  UCD60874  Echinochloa crus-galli H. E. Parks Date Unknown 24213 Humboldt Spruce Cove, Trinidad. Comment
  UCD61098  Echinochloa muricata Martin Pontoni 1925-11-14 Humboldt Eureka. Comment
  RSA275279  Eleocharis acicularis var. acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Pond above Alder Springs 1585 Comment
  HSC7341  Eleocharis obtusa J. P. Tracy 1927-8-7 8319 Humboldt Lack Pond in Trinity River Valley opposite mouth of Willow Creek 152 Comment
  HSC25069  Eleocharis pachycarpa Rudolf W. Becking 1972-7-9 Humboldt Gold Bluff Beach, Prairie Creek State Park Comment
  HSC7323  Eleocharis pachycarpa H. E. Parks, J. P. Tracy 1934-10-13 11148 Humboldt Trinidad at Park's place 61 Comment
  RSA53824  Eleocharis palustris Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  CAS-BOT-BC113206  Eleocharis parishii Doris K. Kildale 1927-7-3 3664 Humboldt Willow Creek Flat, swampy outflow from spring. Comment
  UC1103660  Eleocharis parishii Joseph P. Tracy 1919-5-31 5178 Humboldt near, shore of Lack pond Willow Creek; Trinity River Valley 152 Comment
  BLMAR19  Elymus glaucus Brad Barr June, 1982 19 Humboldt King range, North facing slope of Spanish ridge Comment
  HSC39175  Elymus glaucus D. E. Anderson, J. P. Smith 1971-6-28 - 1227 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  RSA129273  Elymus glaucus H. S. Yates 1936-6-23 5856 Humboldt 2 miles S.E. of mouth of Mad River 30 Comment
  UC526799  Elymus glaucus Joseph P. Tracy 1932-7-12 10448 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC203474  Elymus glaucus subsp. glaucus Harold E. Parks; Joseph P. Tracy 1934-6-14 11026 Humboldt Horse Mt. 1371 Comment
  HSC97930  Elymus glaucus subsp. glaucus Cara Witte 2007-6-19 295 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1220 Comment
  HSC98574  Elymus glaucus subsp. glaucus Cara Witte 2008-8-5 984 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  HSC10938  Elymus mollis subsp. mollis J. W. Johnson 1962-4-29 1297 Humboldt W.M. Lanphere Farm, Samoa Peninsula, Arcata. Comment
  HSC38942  Elymus mollis subsp. mollis Linda M. Barker 1976-6-1 1563 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC70693  Elymus multisetus Gail Newton 1980-7-15 1560 Humboldt Near Sims Mtn. 1311 Comment
  UC1103292  Elytrigia repens Joseph P. Tracy 1937-7-17 15434 Humboldt Eureka 60 Comment
  CDA21306  Epilobium angustifolium subsp. circumvagum D. Kratville 2007-7-1 PDR 1426134 Humboldt North Coast; Stone Lagoon State Park, Hwy 101, Orick. 0 Comment
  HSC32528  Epilobium brachycarpum Thomas W. Nelson, Jane P. Nelson 1973-9-3 1136 Humboldt Just E of Dinsmore beside Hwy. 36 Comment
  UC198621  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4855 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  HSC102032  Epilobium ciliatum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 935 Humboldt Patterson Meadows 1555 Comment
  HSC76621  Epilobium ciliatum subsp. ciliatum Teresa Prendusi 1981-5-7 117 Humboldt Near Slate Creek Butte 1158 Comment
  UC1197010  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1909-9-19 3098 Humboldt opp. Eureka (ocean beach); Samoa Comment
  RSA26250B  Epilobium ciliatum subsp. watsonii I. L. Wiggins 1940-7-10 9487 Humboldt Table Bluff Comment
  UC583056  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-13 14385 Humboldt roadside ditch Clam Beach Comment
  HSC102565  Epilobium glaberrimum subsp. glaberrimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1552 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC102624  Epilobium hallianum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1611 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC32548  Epilobium hallianum Thomas W. Nelson 1973-7-10 1031 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  HSC67190  Epilobium minutum Thomas W. Nelson, James Nelson 1980-6-10 5426 Humboldt Along NE side of Red Mtn. 1433 Comment
  JEPS31553  Epilobium minutum Lincoln Constance 1934-6-8 838 Humboldt Cow Creek fire trail from Bull Cr. road n over divide into headwaters of Bear Cr.; South Fork Eel River, Bull Creek Region Comment
  HSC53953  Epilobium oreganum Terry Griswold, Marvin Butler 1979-7-11 7003 Humboldt Near Snow Camp Lake, close to the town of Willow Creek 1393 Comment
  SEINET10632323  Epilobium oreganum Jane P. Nelson, Thomas W. Nelson 1975-7-20 Nelson 2053 Humboldt T2S, RSE, Sec 13; wet boggy serpentine soil under Jeffrey pine forest beside Rd 2508 to Pine Mtn. Comment
Read comments
Feb 3 2021
  UC535752  Epilobium septentrionale Eleanor Armstrong 1934-8-15 1145 Humboldt Richardson Grove 121 Comment
  HSC16602  Epipactis gigantea J. Wendell Howe 1931-6-18 Humboldt Redway Comment
  POM290911  Epipactis gigantea Lyman Benson 1928-7-11 493 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  CAS-BOT-BC57105  Equisetum X ferrissii Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River near Boyce Creek, Orleans region Comment
  HSC44045  Equisetum arvense Thomas W. Nelson, Jane Nelson 1977-7-1 3551 Humboldt Along N side of ridge between Bear and Blanket Creeks. 1494 Comment
  SEINET200606 Image available Equisetum hyemale J. P. Tracy 1926-9-6 7795 Humboldt Trinity River Valley near the S Fork 183 Comment
  CAS-BOT-BC57231  Equisetum laevigatum H. E. Parks; Joseph P. Tracy 1927-4-24 7925 Humboldt Eureka 6 Comment
  CAS-BOT-BC57793  Equisetum telmateia Joseph P. Tracy 1937-6-26 15361 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC79438  Equisetum telmateia subsp. braunii Kenneth Clark 1980-6-14 699 Humboldt Shelter Cove, W slope above Dead Man's Gulch 91 Comment
  HSC888  Equisetum telmateia subsp. braunii J. E. Lankila 1962-5-31 31 Humboldt Back yard of house at 1728 Sunny Ave., Eureka Comment
  RSA684699  Equisetum telmateia var. braunii N. R. Zabriskie, W. M. Zabriskie 1968-8-22 153 Humboldt Along road to Cap Mendocino. Comment
  CAS-BOT-BC291178  Erechtites glomeratus L. R. Abrams 1916-7-18 6108 Humboldt Arcata to Trinidad, 18 mi along coast Comment
  RSA95041  Erechtites glomeratus F. W. Peirson 1926-7-12 7037 Humboldt Right bank of Redwood Creek, Orick Comment
  CAS-BOT-BC131506  Ericameria arborescens H. E. McMinn 1922-8-3 476 Humboldt Mt. slope above S.F., Eel River Comment
  UC205183  Ericameria greenei Joseph P. Tracy 1919-9-22 5273 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit (open places in shasta fir belt) 1889 Comment
  UC204831  Erigeron biolettii Joseph P. Tracy 1918-7-6 5052 Humboldt near Humboldt-Mendocino County line (rock ledges along river); South Fork Eel River 152 Comment
  UC912295  Erigeron biolettii Herbert L. Mason 1928-7-14 4908 Humboldt near Garberville; East Fork Eel River Comment
  JEPS41520  Erigeron foliosus var. mendocinus Lincoln Constance 1934-5-29 720 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region, Upper Look Prairie 365 Comment
  RSA254794  Erigeron glaucus Thomas W. Nelson 1971-11-11 596 Humboldt Growing on the sand dunes at the foot of Murray Rd. McKinleyville Comment
  BLMAR715  Erigeron glaucus Jennifer Anthony-Wheeler 1995-4-4 715 Humboldt King range, growing on beach dunes S of 1st arch fence exclosure 6 Comment
  POM357512  Erigeron glaucus J. P. Smith, T. W. Nelson 1977-6-30 9208 Humboldt Samoa Peninsula just east of the drag strip. Comment
  POM56125  Erigeron glaucus Joseph P. Tracy 1918-7-1 4972 Humboldt Cape Mendocino. Southwestern slopes, fronting the ocean, three miles south of point of the cape. 3 Comment
  UC34630  Erigeron inornatus var. inornatus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC5562  Erigeron inornatus var. inornatus M. H Manning 1901-7-25 311 Humboldt Bald Hill near Hoopa Comment
  HSC39180  Erigeron philadelphicus D. E. Anderson, J. P. Smith 1971-6-28 - 1221 Humboldt Along Mad River, 2 mi. S of Blue Lake Comment
  SEINET4005694 Image available Erigeron philadelphicus O. M. Clark 1932-1 5312 Humboldt South Eureka. Comment
  UC153939  Erigeron philadelphicus var. philadelphicus J. P. Tracy 1910-10-1 3162 Humboldt immediate vicinity Eureka 0 Comment
  RSA256584  Eriodictyon californicum D. E. Anderson 1972-6-20 5737 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  HSC55185  Eriogonum compositum G. L. Clifton, Griswold 1979-8-2 12234 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC73670  Eriogonum compositum M. A. Baker 1980-7-15 2953 Humboldt Near Whiting Ridge. 1341 Comment
  HSC97965  Eriogonum compositum var. compositum Cara Witte 2007-6-20 308 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  UC183632  Eriogonum compositum var. compositum Joseph P. Tracy 1913-6-22 4262 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Van Duzen River valley 762 Comment
  CAS-BOT-BC259157  Eriogonum latifolium Ira L. Wiggins 1930-7-11 4680 Humboldt Near Samoa Comment
  JEPS57407  Eriogonum luteolum L. R. Heckard with T. I. Chuang 1968-7-5 1987 Humboldt 4.3 mi n, on Mail Ridge road Harris road Comment
  CAS-BOT-BC259532  Eriogonum luteolum var. luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata Comment
  CAS-BOT-BC259536  Eriogonum luteolum var. luteolum Milo S. Baker 1927-8-14 2435 a Humboldt Near Summit of ridge West of Bull Creek Comment
  CAS-BOT-BC261494  Eriogonum nudum var. nudum Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 Comment
  CAS-BOT-BC261495  Eriogonum nudum var. nudum Harley P. Chandler 1901-6-1 1491 Humboldt Klamath River 304 Comment
  UC1198142  Eriogonum nudum var. nudum Joseph P. Tracy 1933-7-25 12896 Humboldt Grouse Mountain 1524 Comment
  HSC17313  Eriogonum nudum var. nudum C. B. Wolf 1927-8-28 1168 Humboldt Along Blue Lake Rd. 9 mi. from Willow Creek Comment
  SD22520  Eriogonum nudum var. oblongifolium Susan G. Stokes 1932-7-13 Humboldt From Garberville to Eureka Comment
  UC205641  Eriogonum roseum Joseph P. Tracy 1919-9-13 5191 Humboldt Trinity River near Willow Creek - Northern Coast Ranges, Trinity River Comment
  SEINET10551827  Eriophorum crinigerum Henry N. Bolander 1866-1 Bolander 6475 Humboldt Red Mountain. Comment
  CAS-BOT-BC301011  Eriophyllum lanatum var. achilleoides Doris K. Kildale 1928-7-24 5277 Humboldt Horse Mountain 914 Comment
  POM265903  Eriophyllum lanatum var. achilleoides Lincoln Constance, Reed C. Rollins 1942-5-12 2886 Humboldt Mouth of Bluff Creek, 6 miles NE of Weitchpec. 152 Comment
  UC129581  Eriophyllum lanatum var. arachnoideum Harley P. Chandler May 1901 1093 Humboldt Scotia North Coast Ranges, Humboldt Bay, Scotia 60 Comment
  RSA168816  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1944-7-3 17480 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC301689  Eriophyllum lanatum var. lanceolatum Lincoln Constance; Reed C. Rollins 1942-5-12 2890 Humboldt Klamath-Siskiyou Region. Klamath River 12 miles north of Weitchpec 121 Comment
  HSC35083  Eriophyllum staechadifolium Rudolf W. Becking, Thomas Overturf 1974-9-1 Humboldt S of the mouth of the Mattole River Comment
  UC727166  Eriophyllum staechadifolium A. A. Heller 1924-7-23 13878 Humboldt between Little River and Trinidad Comment
Read comments
Sep 29 2006
  JEPS61366  Erodium botrys Lincoln Constance 1934-5-27 701 Humboldt s end Dyerville Bridge; South Fork Eel River, Bull Creek Region Comment
  UC1198967  Erodium brachycarpum Joseph P. Tracy 1923-3-17 6161 Humboldt Garberville Northern Coast Ranges 121 Comment
  UC183565  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1912-7 3777 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC101975  Erysimum capitatum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 872 Humboldt Patterson Meadows 1566 Comment
  UC10525  Erysimum capitatum J. Burtt Davy 1899-6-9 5365 Humboldt n Harris; North Coast Ranges, Chamise Ridge Comment
  UC673190  Erysimum capitatum Lincoln Constance and Reed C. Rollins 1942-5-12 2879 Humboldt 1 mi s Bluff Creek (5 mi ne of Weitchpec, road-cut); Klamath-Siskiyou region, Klamath River 121 Comment
  HSC74289  Erysimum capitatum var. capitatum M. A. Baker 1980-7-19 3013 Humboldt Near Bret Hole. 1814 Comment
  HSC58338  Erysimum perenne Walter Overton, Marvin Butler 1979-8-2 12648 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 Comment
  CHSC42783  Erythronium californicum R. N. Raynor 1935-4-8 Humboldt Fort Seward. Comment
  HSC70931  Erythronium californicum R. York 1980-5-18 558 Humboldt Near Black Mtn. 1006 Comment
  SEINET10528799  Erythronium californicum Frank W. Gould 1939-5-30 Gould 826 A Humboldt Near top of Horse Mountain, in Pinus monticola-P. jeffreyi-Libo-cedrus forest; 3500 feet. 1065 Comment
  HSC32248  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1970-6-24 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC96197  Erythronium grandiflorum subsp. grandiflorum Jennifer Lumbert, James Robinson 2005-6-15 14 Humboldt NE of Grouse Mtn. 1490 Comment
  JEPS61876  Erythronium revolutum Joseph P. Tracy 1918-5-1 4896 Humboldt Ashfield Butte Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC104347  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-7 20 Humboldt Kneeland 854 Comment
  JEPS51814  Eschscholzia californica W. L. Jepson 1932-8-8 16487 Humboldt Grasshopper Peak 914 Comment
  RSA167199  Eucephalus glabratus Joseph P. Tracy 1941-8-24 17043 Humboldt South Fork Mountain, near McKay Camp Comment
  HSC58822  Eucephalus ledophyllus G. L. Clifton, Griswold 1979-8-2 12244 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC44570  Eucephalus ledophyllus var. ledophyllus Brad Klipfel 1973-7-15 189 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  POM182421  Eucephalus tomentellus Joseph P. Tracy 1919-9-27 5304 Humboldt Mountain slopes along road between Three Creeks and mouth of Willow Creek. 915 Comment
  CAS-BOT-BC206802  Euonymus occidentalis Doris K. Kildale 1926-7-22 2417 Humboldt Metropolitan, woods near Canyon Park Comment
  UC1071562  Euonymus occidentalis var. occidentalis R. Stahelin 1933-8-9 Humboldt Rohner Creek, <Holmes Eureka Land> Rohnerville Quad., Rohner Creek 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
  POM282192  Euphorbia lathyris Lyman Benson 1928-7-12 474 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  UC1222977  Eurybia radulina Joseph P. Tracy 1950-8-20 19319 Humboldt 2 mi sw of Orleans Comment
  CAS-BOT-BC310681  Euthamia occidentalis Frank W. Peirson 1926-7-13 7062 Humboldt Mad River, vicinity of Blue Lake Comment
  UC1199324  Euthamia occidentalis Joseph P. Tracy 1919-9-14 5206 Humboldt near mouth, (valley of Trinity River) Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  CAS-BOT-BC278180  Festuca W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  HSC9819  Festuca arundinacea E. W. Styskel 1964-4-28 74 Humboldt End of Davis St. at edge of Eel River in Rio Dell. Comment
  SBBG53090  Festuca bromoides R. N. Philbrick 1976-6-25 11 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC580793  Festuca elmeri H. S. Yates 1936-6-17 5690 Humboldt lower nw slope Buck Mountain; South Fork Pk., Buck Mountain 792 Comment
  CAS-BOT-BC278816  Festuca occidentalis J. P. Tracy 1900-5-22 796 Humboldt Immediate vicinity of Eureka 152 Comment
  UC1103722  Festuca occidentalis Joseph P. Tracy 1934-7-18 13422 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC187113  Festuca occidentalis J. P. Tracy 1903-5-22 1876 Humboldt Alder Point Eel River 152 Comment
  HSC9976  Festuca rubra J. A. Waller 1965-5-21 26 Humboldt Near Big Lagoon Comment
  POM126115  Festuca rubra Joseph P. Tracy 1900-7-4 894 Humboldt Ocean Beach at Humboldt Bay. Comment
  RSA126631  Festuca rubra H. S. Yates 1936-6-17 5691 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  SEINET200831 Image available Festuca rubra Joseph P. Tracy 1906-6-24 2511 Humboldt S slope of Humboldt Hill near Field's Landing; region about Humboldt Bay 0 Comment
  UC526868  Festuca rubra Joseph P. Tracy 1927-6-26 8217 Humboldt Stone Lagoon Northern Coast Region 6 Comment
  CAS-BOT-BC278620  Festuca subulata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  UC1152012  Festuca subuliflora A. H. Murphy 1951-5-15 31 Humboldt 0.5 mi s McCann (on Fruitland Road) Comment
  HSC18618  Fragaria X ananassa C. O. Baker 1962-3-22 7 Humboldt 2 mi. S of Trinidad along old Hwy. 101 183 Comment
  CHSC23878  Fragaria chiloensis A. R. Morrison 1974-4-27 Humboldt Throughout understory along immediate coastal cliffs ca. 2 mi. n of Trinidad. Comment
  HSC95822  Fragaria chiloensis Steven Lee 2004-3-23 5 Humboldt Manila Dunes, Vera Ln. Dune Community Comment
  UC1198726  Fragaria chiloensis Joseph P. Tracy 1901-5-12 1083 Humboldt Eureka, immediate vicinity of 0 Comment
  HSC90467  Fragaria chiloensis Jean Hanson 1980-3-8 30 Humboldt Indian (Gunther) Island, in Humboldt Bay. W end of island, 200 ft. from SW shore Comment
  SEINET4090923  Fragaria chiloensis O. M. Clark 1932-1 702 Humboldt North Eureka. Comment
  HSC18615  Fragaria vesca J. J. Wagoner 1965-5-1 25 Humboldt 6 mi. W of Willow Creek along Hwy. 299 Comment
  UCD113269  Fragaria virginiana Gunter Staudt; H. Ahmadi 1989-5-15 313 Humboldt North of Trinidad along Highway, near Seawood Drive exit. Comment
  HSC27127  Frangula californica J. P. Smith, J. O. Sawyer 1973-2-10 5841 Humboldt 2.7 mi. W of Hwy. 96 on Brannan Mtn. Road, N of Willow Creek 366 Comment
  BLMAR243  Frangula californica subsp. californica Jennifer Anthony-Wheeler 1997-7-24 243 Humboldt Lacks Creek, growing beside rd with ceanothus & rubus 1219 Comment
  CAS-BOT-BC52739  Frangula californica subsp. californica Doris K. Kildale 1926-8-15 2511 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC59956  Frangula purshiana Henry M. Pollard 1945-9-1 s.n. Humboldt Camp Creek, Klamath River Canyon. Comment
  CAS-BOT-BC59968  Frangula purshiana Harley P. Chandler 1901-5-1 1173 Humboldt Humboldt Bay. 30 Comment
  HSC99392  Frangula purshiana subsp. purshiana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 41 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-BC217699  Fraxinus latifolia Doris K. Kildale 1927-5-15 3293 Humboldt Petrolia, Mattole River Comment
  CAS-BOT-BC136032  Fritillaria affinis John Thomas Howell 1954-4-25 29154 Humboldt Dune hills, Little River Comment
  HSC96863  Fritillaria affinis Frances Reuss Harmon 2001-3-31 17 Humboldt Grays Falls picnic area, SE edge of open rocky soil Comment
Read comments
Apr 21 2014
  HSC38706  Fritillaria purdyi J. P. Smith 1976-5-29 8816 Humboldt Horse Mtn. 1402 Comment
  HSC36507  Fritillaria recurva Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1884 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC30119  Fritillaria recurva W. C. Blasdale 1896-6-9 Humboldt Pilot Ridge Comment
  BLMAR274  Galium aparine Jennifer Anthony-Wheeler 1999-7-30 274 Humboldt Lacks Creek 1219 Comment
  HSC32914  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 963 Humboldt McKeown Ranch N of Dinsmore Comment
  PASA46  Galium bolanderi Frank W. Peirson 1932-7-7 Humboldt Willow Creek Comment
  UC602509  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  JEPS6693  Galium californicum subsp. californicum W. L. Jepson 1932-8-1 16468 Humboldt Bull Creek 121 Comment
  UC1196105  Galium californicum subsp. californicum Joseph P. Tracy 1925-8-9 7228 Humboldt opposite Miranda; Salmon Creek 91 Comment
  HSC31221  Galium muricatum D. E. Anderson 1972-6-20 5727 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC61873  Galium parisiense Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC602511  Galium porrigens Joseph P. Tracy 1926-4-11 7406 B Humboldt Bridgeville 198 Comment
  HSC48679  Galium triflorum Brad Klipfel 1973-7-31 249 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99083  Galium triflorum Cara Witte 2008-7-28 954 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  UC168962  Galium triflorum Joseph P. Tracy 1907-6-20 2570 Humboldt Eureka Northern Coast Region 0 Comment
  HSC5689  Gamochaeta ustulata David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  HSC89610  Gamochaeta ustulata M. Roantree 1985-5-2 28 Humboldt SW side of Trinidad Head Comment
  HSC37838  Garrya buxifolia Thomas W. Nelson, Jane P. Nelson 1976-2-21 2246 Humboldt Beside the Hoopa-Redwood Valley Rd. ca. 5 mi. W of Hoopa Comment
  CAS-BOT-BC188532  Garrya elliptica Doris K. Kildale 1926-9-12 2668 Humboldt Klamath River near Requa on trail between ferry and bridge Comment
  CHSC19512  Garrya elliptica J. F. Knezevich 1968-1-2 Humboldt Near Patrick's Point State Park on Highway 101. Comment
  HSC22830  Garrya elliptica Gene S. Van Horn 1963-1-5 35 Humboldt On W.M. Lanphere's ranch 9 Comment
  UC1541254  Garrya elliptica Harold E. Parks Mar 1933 1403 Humboldt near Trinidad Comment
  CAS-BOT-BC182145  Garrya fremontii L. B. Kildale 1931-10-1 s.n. Humboldt Bug Creek, Caparall Mt. 1097 Comment
  HSC8397  Garrya fremontii J. P. Tracy 1935-7-14 14062 Humboldt Horse Mtn. 1433 Comment
  RSA89596  Garrya fremontii M. F. Moseley 1952-8-21 346 Humboldt Along western valley wall of Willow Creek, mostly within Hoopa Indian Reservation, upstream from Willow Creek Village. Comment
  UC1193366  Garrya fremontii P. Zinke 1950-10-9 183 Humboldt e side King Peak 1188 Comment
  UC1196892  Garrya fremontii Joseph P. Tracy 1939-8-16 16408 Humboldt Horse Mountain 1432 Comment
  UC169895  Garrya fremontii Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5346 Humboldt near Bell Springs Comment
  JEPS71220  Gastridium ventricosum W. L. Jepson 1936-8-7 17855 Humboldt Upper Butte Creek Bear Buttes; , Bear Buttes Comment
  UC589848  Gastridium ventricosum H. S. Yates 1936-6-23 5877 Humboldt 4 mi nne Cathay Peak; Dyerville Quadrangle Comment
  HSC48798  Gaultheria ovatifolia Brad Klipfel 1974-9-17 583 Humboldt W of Friday Ridge above the E Fork of Willow Creek Comment
  HSC74354  Gaultheria ovatifolia Gail Newton 1980-6-17 216 Humboldt Near Onion Mtn. 1341 Comment
  JEPS79891  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain, at Lake Prairie Bald Mountain; , Lake Prairie 1066 Comment
  CAS-BOT-BC58905  Gaultheria shallon Carl B. Wolf 1930-10-30 1043 Humboldt Old Coast Road, 4 miles south of Thorn 304 Comment
  CAS-BOT-BC58917  Gaultheria shallon Doris K. Kildale; L. B. Kildale 1930-4-12 9568 Humboldt Big Lagoon Flat Comment
  HSC98344  Gaultheria shallon Jimerson, J. Pageau 1979-6-12 531 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  HSC55274  Gayophytum diffusum subsp. parviflorum Overton, Butler 1979-8-2 12663 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS27605  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC162343  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1911-7-10 3491 Humboldt Willow Creek Northern Coast Ranges, valley of Trinity River (river bar at mouth) 152 Comment
  HSC40676  Gayophytum heterozygum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2925 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC1196958  Gayophytum humile Joseph P. Tracy 1933-7-26 12918 Humboldt Grouse Mountain 1524 Comment
  UC162854  Genista monspessulana J. P. Tracy 1906-4-22 2413 Humboldt immediate vicinity Eureka 0 Comment
  UCD105749  Genista monspessulana W. Williams 1951-5-11 s.n. Humboldt location unknown. Comment
  HSC101055  Gentiana plurisetosa Sydney Carothers 1998-8-10 201 Humboldt Patterson Meadow 1555 Comment
  HSC45616  Geranium carolinianum Diane L. Reed 1978-5-7 46 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC1197400  Geranium carolinianum Joseph P. Tracy 1912-6-30 3712 Humboldt Eureka, at the Stephen Hill place Northern Coast Region 0 Comment
  UC502970  Geranium carolinianum Joseph P. Tracy 1927-5-8 7959 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Region Comment
  UC1197394  Geranium molle Joseph P. Tracy 1910-5-29 3142 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS44855  Geum macrophyllum Milo S. Baker 1923-8-1 184 Humboldt roadside from Kneeland to Eureka Comment
  SEINET12278778  Gilia capitata L. K. Henry 1971-1 s.n. Humboldt along Rt 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  UC1225824  Gilia capitata subsp. capitata Joseph P. Tracy 1948-6-13 18051 Humboldt 2 mi n Harris; near Harris 609 Comment
  BLMAR718  Gilia capitata subsp. pacifica Jennifer Wheeler 2012-6-5 718 Humboldt King range, Mattole beach bluffs 18 Comment
  POM193010  Gilia capitata subsp. pacifica H. E. Parks, Joseph P. Tracy 1930-5-25 0793 Humboldt Near Bridgeville. Comment
  RSA21031  Gilia capitata subsp. pacifica C. B. Wolf 1937-8-11 8901 Humboldt Fleener Creek, 0.5 mile south of Centerville. 46 Comment
  RSA47173  Gilia capitata subsp. pacifica Doris K. Kildale 1927-5-15 s.n. Humboldt Cape Mendocino Comment
  UC176953  Gilia capitata subsp. pacifica Joseph P. Tracy 1912-6-9 3672 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC604650  Gilia capitata subsp. pacifica Joseph P. Tracy 1938-6-17 15962 Humboldt s of point Cape Mendocino (near ocean shore); s of point of Cape Mendocino 3 Comment
  CAS-BOT-BC225469  Gilia millefoliata Bolemanson 1907-5-15 s.n. Humboldt Samoa Comment
  SBBG5887  Gilia millefoliata H. and M. Dearing 1939-5-25 3432 Humboldt near Samoa Comment
  SD197869  Gilia millefoliata Peter L. Morrell 1993-6-9 280 Humboldt Samoa Peninsula near Eureka, along Highway 255, 1.5 mile south of Samoa intersection, west side of highway. 7 Comment
  HSC76548  Glyceria elata Denis Kearns 1981-7-23 433 Humboldt Near Whiteys Peak. 1524 Comment
  HSC55277  Goodyera oblongifolia Overton, Butler 1979-8-2 12685 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC89904  Grindelia hirsutula Leonel Arguello 1989-7-14 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. Comment
  JEPS41894  Grindelia hirsutula W. L. Jepson 1936-8-17 17924 Humboldt 2.5 mi s of Fields Landing (flats) Comment
  SEINET193102  Grindelia hirsutula var. davyi Y. W. Winblad 1941-6-24 Humboldt Between Garberville and Hartsook Comment
  RSA47124  Grindelia stricta var. stricta Doris K. Kildale 1925-7-15 1080 Humboldt Eureka Slough. Comment
  UC201390  Guillenia lasiophylla Joseph P. Tracy 1918-5-1 4907 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC100584  Habenaria sparsiflora Carl C. Marshall Jun 1886 315 Humboldt Mud Spring Camp. Comment
  UC475986  Hackelia bella Joseph P. Tracy July 1930 9023 Humboldt South Fork Mountain Comment
  JEPS55562  Hackelia micrantha Hilda Grinnell 1932-7-12 16 Humboldt slope below McKay Camp; South Fork Mountain Comment
  UC582620  Hackelia setosa Joseph P. Tracy 1937-7-24 15510 Humboldt 2 mi se of Devil's Hole; Trinity Summit 1584 Comment
  RSA377548  Hastingsia alba Brad W. Klipfel 1973-7-1 116 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  CAS-BOT-BC306614  Helenium bigelovii Carl B. Wolf 1937-8-13 9248 Humboldt North Coast Range, 11 mi. E. of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  CAS-BOT-BC306615  Helenium bigelovii Joseph P. Tracy 1937-8-12 15657 Humboldt Snow Camp 1402 Comment
  SEINET5711016  Helenium bigelovii Lowell E. Urbatsch 1990-1 6798 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the rd. 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 road (FS 7 NO4) travel 1.5 miles to another fork; continue on 7NO4N (the left fork) for 7.4 miles. At this point, take 7N04N, the road 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
  CAS-BOT-BC309415  Helenium puberulum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC169301  Helenium puberulum Joseph P. Tracy 1912-8-4 3979 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC309414  Helenium puberulum Doris K. Kildale 1928-7-29 5921 Humboldt Mouth of Bear River at Capetown Comment
  CHSC26961  Helminthotheca echioides M. S. Taylor 1977-8-5 1431 Humboldt Around bridge over Eel River, at the turn off from Hwy 101 to Ferndale, in Fernbridge. Comment
  HSC63140  Hemitomes congestum M. A. Baker 1979-6-29 952 Humboldt 900 Comment
  UC559947  Hemitomes congestum V. Rattan 1878-1 Humboldt Comment
  HSC53816  Hemizonella minima Griswold, Butler 1979-7-10 6253 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  POM126139  Hemizonia congesta Joseph P. Tracy 1923-6-20 6338 Humboldt Near Garberville (4 miles N of it.) 122 Comment
  JEPS12644  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1931-6-28 9598 Humboldt lower foothills of its nw slope Buck Mountain 762 Comment
  UC195063  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1916-6-19 4708 Humboldt Laribee Creek 457 Comment
  UC249805  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1923-6-20 6337 Humboldt near Briceland; Northern Coast Ranges 304 Comment
  POM228359  Hemizonia tracyi S. K. Harris 1936-6-20 s.n. Humboldt Above Van Duzen River about 1 mile west of Bridgeville Comment
  SEINET11848439  Hemizonia tracyi J. P. Tracy 1950-1 18757 Humboldt Domingo Hill, near Petrolia, hills between town & ocean Comment
  HSC39822  Hesperevax sparsiflora var. brevifolia R. Becking 1976-5-2 Humboldt Along Samoa peninsula at the Samoa airstrip at Fairhaven Comment
  HSC45914  Hesperocyparis macrocarpa Jerome Peterson 1978-4-16 3 Humboldt HSU Campus Comment
  RSA151709  Hesperolinon micranthum Joseph P. Tracy 1908-6-27 2820 Humboldt Northwest slope of Buck Mountain. 915 Comment
  HSC99566  Heterocodon rariflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 231 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
  UC1116245  Heterocodon rariflorum Joseph P. Tracy 1942-6-15 17158 Humboldt Garberville 304 Comment
  CAS-BOT-BC311075  Heterotheca oregona var. rudis Doris K. Kildale 1926-8-8 2478 Humboldt Dyerville Bridge 45 Comment
  HSC31200  Hieracium albiflorum D. E. Anderson 1972-6-20 5745 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC57155  Hieracium albiflorum Overton, Butler 1979-7-26 9954 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC98324  Hieracium albiflorum Jimerson, J. Pageau 1979-5-24 469 Humboldt Near Orleans 226 Comment
  HSC99543  Hieracium albiflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 208 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET11847693  Hieracium albiflorum J. P. Tracy 1948-1 18181 Humboldt E of Grove's Prairie near Elk Camp on Grizzly Camp Road, Trinity Summit 1524 Comment
  UC1223085  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18181 Humboldt high ridge e Grove's Prairie (near Elk Camp on the Grizzly Camp Road); Trinity Summit 1524 Comment
  HSC57935  Hieracium greenei G. L. Clifton, Griswold 1979-7-31 11587 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  HSC63084  Hippuris vulgaris David Wheeler 1979-4-20 72 Humboldt Clam Beach Ponds, N pond, 0.25 mi. S of Crannel Rd. between the frontage road and Hwy. 101 Comment
  HSC13461  Hippuris vulgaris R. L. Jarvis 1962-4-18 28 Humboldt .5 mi. S of Mad River, .25 mi. W of Hwy. 101 15 Comment
  HSC10139  Holcus lanatus W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  HSC59126  Holcus lanatus Terry Roth 1979-5-26 88 Humboldt Arcata, field off Sunset Ave., near the old mill location. Comment
  POM319520  Holcus lanatus Patricia Wilder 1968-8-21 4368 Humboldt Big Lagoon Park, just west of U.S. 101 15 Comment
  UC922019  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka 30 Comment
  UCD84972  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka. 30 Comment
  SEINET10591413  Holcus lanatus Huron H. Smith 1911-1 Smith 3772 Humboldt Comment
  HSC18682  Holodiscus discolor H. E. Parks, S. T. Parks Jun 1927 257 Humboldt Hartsook 122 Comment
  HSC57021  Holodiscus discolor Overton, Butler 1979-7-24 9636 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC73688  Holodiscus discolor M. A. Baker 1980-7-23 3172 Humboldt Near Orleans Mtn. 1859 Comment
  HSC74664  Holodiscus discolor Gail Newton 1981-8-5 2368 Humboldt Near Bug Creek, E Fork 914 Comment
  HSC98853  Holodiscus discolor Cara Witte 2008-7-11 871 Humboldt Horse Mountain Botanical Area. 1/2 mi. south from intersection of National Forest 1, Forest Service Roads 6N38 and 6N36. 1413 Comment
  POM368001  Holodiscus discolor Patricia Wilder 1968-8-22 4420 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  UC1127999  Holodiscus discolor A. E. Wieslander 1931-5-22 216 Humboldt hills s of Ferndale Comment
  UC154212  Holodiscus discolor J. P. Tracy 1909-7-3 3002 Humboldt immediate vicinity of Eureka (near Ocean View Cemetery) 0 Comment
  HSC39908  Hordeum brachyantherum J. P. Smith, Steve Selva 1970-6-30 4109 Humboldt Comment
  CAS-BOT-BC289565  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1935-5-25 13866 Humboldt Fort Seward 106 Comment
  UC1103740  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1901-6-16 1144 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  CAS-BOT-BC289564  Hordeum marinum subsp. gussoneanum Henry M. Pollard 1946-8-27 s.n. Humboldt South sid eof Klamath River near Bryce Creek, Orleans region Comment
  HSC98277  Hosackia crassifolia D. E. Anderson 1961-9-30 1848 Humboldt Divide Lake. 915 Comment
  HSC44334  Hosackia oblongifolia var. oblongifolia Brad Klipfel 1975-6-17 676 Humboldt Horse Mtn. Comment
  HSC58536  Hosackia oblongifolia var. oblongifolia Overton, Butler 1979-7-23 9454 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  SBBG64581  Hydrocotyle ranunculoides A. Keedy 1988-9-20 13 Humboldt Arcata Salt Marsh Project Comment
  HSC75468  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1980-7-18 3615 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC48869  Hydrophyllum occidentale Brad Klipfel 1973-6-10 51 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56350  Hydrophyllum occidentale Griswold, Butler 1979-7-10 6300 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC1239762  Hydrophyllum occidentale Joseph P. Tracy 1908-6 2633 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  JEPS1639  Hydrophyllum tenuipes Joseph P. Tracy 1937-7-25 15538 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  SD51268  Hypericum perforatum Darley F. Howe 1961-8-2 3118 Humboldt 7.7 miles east of Orick on Bald Mountain road. 609 Comment
  UC179926  Hypericum perforatum Joseph P. Tracy 1914-9-7 4618 Humboldt On Bald Mt. near Bald Mt. House; Northern Coast Ranges, Bald Mt. 914 Comment
  UC420732  Hypericum perforatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5715 Humboldt Hoopa Valley North Coast Ranges, Hoopa Valley Comment
  BLMAR223  Hypericum perforatum Jennifer Anthony-Wheeler 1996-7-11 223 Humboldt N. Dobbyn creek 1005 Comment
  HSC22968  Hypericum perforatum S. V. Thompson 1967-7-23 10 Humboldt Along Boulder Creek Comment
  RSA245281  Hypericum perforatum J. D. Ackerman, A. M. Montalvo 1973-6-17 57 Humboldt 1 mile west of Redwood Creek, along highway 299. Comment
  HSC78973  Hypochaeris glabra L. P. Janeway, Paul Wilson 1984-5-7 760 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  CAS-BOT-BC311432  Hypochaeris radicata Alice Eastwood 1923-8-16 12332 Humboldt Carlotta Comment
  CAS-BOT-BC311436  Hypochaeris radicata Ashley C. Browne 1936-6-10 s.n. Humboldt Patrick's Point State Park Comment
  HSC79460  Hypochaeris radicata Kenneth Clark 1980-6-14 676 Humboldt On western slope above Dead Man's Gulch (near parking access) 145 Comment
  HSC40966  Ilex aquifolium Linda M. Barker 1976-6-14 1594 Humboldt 3 mi. W of Arcata Comment
  HSC99523  Iliamna latibracteata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 186 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  OBI5958  Iliamna latibracteata Carl B. Wolf 1931-8-28 2367 Humboldt Redwood hwy, 3 mi N of Orick, (Davidson's Ranch on Prairie Crk) 61 Comment
  HSC55330  Ipomopsis aggregata Griswold, Butler 1979-7-12 7170 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  CAS-BOT-BC133500  Iris Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  POM265999  Iris Lincoln Constance 1942-5-12 2893 Humboldt Klamath River 2 miles north of Orleans. 122 Comment
  HSC13862  Iris douglasiana S. R. Johnson 1965-4-16 44 Humboldt 1.5 mi. S of Luffenholtz Beach Comment
  RSA135932  Iris douglasiana Lee W. Lenz, E. K. Balls 1951-5-9 16522 Humboldt 9.5 miles to 11.3 miles west of junction with Highway 101, road between Rockport and Fort Bragg Comment
  RSA136681  Iris douglasiana Lee W. Lenz, E. K. Balls 1951-5-8 16508 Humboldt 14.7 miles north of Trinidad, Highway 101 6 Comment
  UC1174757  Iris douglasiana L. W. Lenz and E. K. Balls 1956-6-12 21666 Humboldt between Willow Creek and Blue Lake (U.S. Hwy 299) 365 Comment
  HSC100379  Iris macrosiphon J. Moore 2007-6-13 Humboldt Horse Mountain Botanical Area, off Hwy. 1. 1220 Comment
  UC667117  Iris macrosiphon Joseph P. Tracy 1927-6-12 8138 Humboldt Horse Mountain; Northern Coast Ranges 1524 Comment
  RSA114085  Iris purdyi Rimo C. Bacigalupi, L. Constance, Joseph P. Tracy, Reid V. Moran, R. L. Rodriguez, Sherwin Carlquist 1951-6-14 3414 Humboldt Near Snow Camp, ridge between Mad River and Redwood Creek, Bald Mountain 1433 Comment
  HSC45309  Iris tenax subsp. klamathensis R. York 1978-5-11 167 Humboldt Along logging road 5 mi. N of Orleans 610 Comment
  HSC45311  Iris tenax subsp. klamathensis R. York 1978-5-11 165 Humboldt Along logging road above Orleans 640 Comment
  HSC66476  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-4-25 920 Humboldt On Eyesee Rd., 0.3 mi. N of Hwy. 96, Orleans Comment
  UC673161  Iris tenax subsp. klamathensis Lincoln Constance and Reed C. Rollins 1942-5-12 2893 Humboldt 2 mi. n. Orleans (Klamath River); Klamath-Siskiyou Region, Klamath River 121 Comment
  HSC61723  Isatis tinctoria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 238 Comment
  HSC44048  Isoetes bolanderi Thomas W. Nelson, Jane Nelson 1977-6-19 3507 Humboldt Above Alder Springs 1585 Comment
  UC936235  Isoetes howellii Joseph P. Tracy 1949-7-19 18398 Humboldt Grouse Mt., Mud Lake 1524 Comment
  CAS-BOT-BC340152  Jaumea carnosa Malcom A. Nobs; S. Galen Smith 1949-8-3 1173 Humboldt Around Fields Landing Comment
  CAS-BOT-BC340156  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River 3 Comment
  CAS-BOT-BC340228  Jaumea carnosa Marcus E. Jones 1931-7-16 2911 Humboldt Arcata Comment
  SEINET10474757  Jaumea carnosa Mary Susan Taylor 1990-8-22 Taylor 6088 Humboldt Cypress Grove Area, Samoa Peninsula, along strand, Eureka. Comment
  HSC57117  Juncus balticus subsp. ater Walter Overton, Marvin Butler 1979-7-25 9862 Humboldt Near Ammon Creek, close to the town of Willow Creek 671 Comment
  HSC34705  Juncus bolanderi Thomas W. Nelson 1974-7-20 1699 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC57016  Juncus bolanderi Overton, Butler 1979-7-24 9623 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC96355  Juncus bolanderi Gordon Leppig 1998-8-23 1070 Humboldt Big Lagoon Bog in standing water 1 Comment
  UC421841  Juncus breweri J. B. Davy 1899-6-30 6182 Humboldt Ferndale Comment
  RSA340075  Juncus breweri Harold Lint 1964-4-1 C- 306 Humboldt Dry Lagoon State Park, Highway 101. Comment
  UC726591  Juncus bufonius A. A. Heller 1923-7-10 13798 Humboldt between Scotia and Pepperwood; Eel River Comment
  UC1152115  Juncus bufonius Joseph P. Tracy 1930-10-19 9233 Humboldt near Alton; Eel River Comment
  HSC98841  Juncus covillei Cara Witte 2008-7-16 912 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  HSC56988  Juncus ensifolius Walter Overton, Marvin Butler 1979-7-23 9551 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  UC1152095  Juncus ensifolius Joseph P. Tracy 1937-7-25 15563 Humboldt 6 mi ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC57891  Juncus exiguus Walter Overton, Marvin Butler 1979-7-31 11456 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC58092  Juncus exiguus G. L. Clifton, Terry Griswold 1979-8-1 12005 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  SD88349  Juncus falcatus Darley F. Howe 1972-6-30 Humboldt Trinidad. Comment
  HSC40877  Juncus hesperius Linda M. Barker 1976-6-1 1568 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC1196725  Juncus hesperius J. P. Tracy 1900-6-23 859 Humboldt immediate vicinity Eureka 0 Comment
  UCD150386  Juncus hesperius William Anderson and H. Mc. 1964-8-6 s.n. Humboldt Little River. Comment
  HSC82399  Juncus howellii Thomas W. Nelson 1979-7-11 5015 Humboldt N Trinity Mtn. and ridge to E 1829 Comment
  HSC36888  Juncus laccatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2057 Humboldt Beside Rd. 2S08 to Pine Mtn. Comment
  HSC58027  Juncus laccatus G. L. Clifton 1979-7-31 11842 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC183957  Juncus occidentalis Joseph P. Tracy 1909-7-31 3052 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC71742  Juncus oxymeris M. A. Baker 1980-6-26 2422 Humboldt Near Sims Creek 610 Comment
  BLMAR324  Juncus patens Jennifer Wheeler 2002-8-9 324 Humboldt Lost Coast Headland, Guthrie creek edge along Guthrie creek trail 6 Comment
  SEINET11789825  Juncus tenuis J. P. Tracy 1937-1 15609 Humboldt near Blue Lake, along Mad River 15 Comment
  UC184180  Juncus tenuis Joseph P. Tracy 1912-7 3749 Humboldt Eureka Northern Coast Region, Lucas Prairie 0 Comment
  UC35025  Kalmia polifolia subsp. microphylla J. Burtt Davy 1899-6-23 5823 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 2133 Comment
  HSC74667  Keckiella corymbosa Gail Newton 1981-8-7 2429 Humboldt Near Bug Creek Butte 1244 Comment
  RSA424320  Keckiella corymbosa Unspecified 1920-7-15 s.n. Humboldt Arcata vicinity. Comment
  RSA43878  Keckiella corymbosa H. M. Pollard 1948-8-12 s.n. Humboldt Perch Creek near Orleans. Comment
  SD87718  Keckiella corymbosa Frank W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec Comment
  UC1193337  Keckiella corymbosa P. Zinke 184 Humboldt 300 yds nw of summit King Peak 1249 Comment
  UC566682  Keckiella corymbosa H. L. Mason 1928-7-14 4900 Humboldt near Garberville; East Fork of the Eel River Comment
  UC1196076  Kelloggia galioides Joseph P. Tracy 1919-9-19 5257 Humboldt Trinity Summit; Northern Coast Ranges 1889 Comment
  UC249879  Lactuca serriola Joseph P. Tracy 1923-9-23 6561 Humboldt Alton Northern Coast Region 30 Comment
  UC1223225  Lagophylla ramosissima Joseph P. Tracy 1950-8-4 19259 Humboldt ne lookout ((at head of Canoe Creek)); Bull Creek State Park, Grasshopper Peak Comment
  UC581803  Lagophylla ramosissima Joseph P. Tracy 1934-7-9 13354 Humboldt Dobbyn Creek 152 Comment
  POM208992  Lasthenia californica Lincoln Constance 1934-5-23 616 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park 366 Comment
  UC169320  Lasthenia californica subsp. californica Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3626 Humboldt between Hydesville and Alton; Hydesville 30 Comment
  HSC32085  Lathyrus jepsonii subsp. californicus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5702 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC709418  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1941-3-26 16844 Humboldt w of mouth of South Fork of Trinity River 304 Comment
  HSC46016  Lathyrus latifolius Catherine Chin 1978-8-5 101 Humboldt Arcata, side road on Spring St., between 16th and 17th Sts. Comment
  HSC71352  Lathyrus latifolius J. P. Smith, J. O. Sawyer 1976-5-2 8622 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  POM72742  Lathyrus littoralis P. A. Munz 1925-6-21 9892 Humboldt Clam Beach, 14 miles N of Eureka. Comment
  UC1199081  Lathyrus littoralis Joseph P. Tracy 1933-5-20 12223 Humboldt Cape Mendocino 6 Comment
  SEINET955878  Lathyrus littoralis Gordon Leppig, Kai Neander 1998-1 787 Humboldt Big Lagoon State Park. 2 Comment
  UC1199075  Lathyrus polyphyllus Joseph P. Tracy 1935-7-22 14126 Humboldt Klamath Mountains, Trinity Summit, near Corral Prairie. Comment
  UCD106344  Lathyrus polyphyllus W. Williams 1951-1 s.n. Humboldt location unknown. Comment
  HSC33771  Lathyrus tingitanus Lon Hall 1975-5-24 383 Humboldt Samoa Dunes, off Samoa Blvd., across from the boat landing Comment
  UC1199066  Lathyrus torreyi Joseph P. Tracy 1922-6-5 6084 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UC1199068  Lathyrus vestitus Joseph P. Tracy 1933-6-24 12612 Humboldt Big Lagoon 152 Comment
  UC931756  Lathyrus vestitus C. L. Hitchcock 1949-6-8 19096 Humboldt 2 mi w Blue Lake (along Highway 299) Comment
  UC175635  Lathyrus vestitus Joseph P. Tracy 1913-6-26 4352 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC325993  Layia carnosa Greg de Nevers 2001-4-18 12253 Humboldt Lanphere-Christenson dunes, near Arcata 9 Comment
  HSC78611  Layia carnosa L. P. Janeway, Amy Eisenberg 1984-4-25 746 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven roads, NE of the willow patch. 3 Comment
  UC183700  Ledum glandulosum Joseph P. Tracy 1913-9-9 4399 Humboldt Patrick's Point; Northern Coast Ranges, Patrick's Point 30 Comment
  POM318849  Ledum glandulosum subsp. columbianum Patricia Wilder 1968-8-21 4385 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  CAS-BOT-BC534641  Lemna minuta Henry M. Pollard 1956-10-11 s.n. Humboldt Orleans Forest Service Station Comment
  CAS-BOT-BC339128  Leontodon saxatilis subsp. saxatilis Carl B. Wolf 1927-8-22 777 Humboldt Big Lagoon Comment
  JEPS36514  Leontodon saxatilis subsp. saxatilis W. L. Jepson 1927-7-3 12365 Humboldt South Fork Eel River, Miranda Station 228 Comment
  HSC22865  Leptosiphon androsaceus D. E. Anderson 1965-5-8 3636 Humboldt 4 mi. E of Berry Summit along Hwy. 299 Comment
  POM247188  Lessingia nemaclada Joseph P. Tracy 1937-9-5 15681 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC34537  Lessingia nemaclada Hy-Am Pum 1888-7-23 Humboldt Comment
  CAS-BOT-BC334617  Leucanthemum vulgare Joseph P. Tracy 1937-6-23 15360 Humboldt Along Mad River near Blue Lake 15 Comment
  HSC97992  Leucanthemum vulgare Cara Witte 2007-7-9 462 Humboldt Along Forest Service Road 4N32. 1/4 mile west of intersection with 5N04 1508 Comment
  UC673015  Lewisia triphylla Joseph P. Tracy 1935-7-24 14178 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  RSA34294  Leymus mollis subsp. mollis J. Wendell Howe 1933-5-23 s.n. Humboldt Somoa Comment
  SEINET12047013  Lilium columbianum F. H. Utech 1978-1 78 -260 Humboldt ca 2.5 km S of Del Norte/Humboldt County line on US 101 Comment
  CAS-BOT-BC130636  Lilium kelloggii A. M. Vollmer; L. Beane 1951-6-1 148 Humboldt On road to Bald Mountain, east of Korbel Comment
  CHSC98393  Lilium kelloggii Dean Wm. Taylor 2004-6-23 19116 Humboldt Fickle Hill Road 1.3 miles north of junction Butler Valley road. 731 Comment
  SEINET3992214  Lilium pardalinum Unknown 1937-7-24 15533 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1372 Comment
  RSA12542  Lilium pardalinum Carl B. Wolf 1934-7-2 5896 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  UC54664  Lilium pardalinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5717 Humboldt Supply Creek; North Coast Ranges, Hupa Valley Comment
  CAS-BOT-BC132964  Lilium rubescens Doris K. Kildale 1927-6-24 3538 Humboldt On top of ridge before taking down grade into Shelter Cove Comment
  JEPS109815  Lilium rubescens Dean W. Taylor 2004-6-23 19117 Humboldt Redwood House Road, South Fork Yaeger Creek 749 Comment
  RSA44370A  Lilium washingtonianum Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  CAS-BOT-BC133012  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-9 5697 Humboldt Bug Creek, Chaparral Mountain 914 Comment
  HSC35754  Lilium washingtonianum subsp. purpurascens Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1998 Humboldt French Camp, Bald Hills. Comment
  JEPS19627  Limnanthes douglasii W. L. Jepson 1934-5-7 16699 Humboldt Buckeye Prairie Bull Creek Comment
  HSC71066  Limnanthes douglasii subsp. nivea Thomas W. Nelson, Jane P. Nelson 1977-5-30 3399 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  JEPS19584  Limnanthes douglasii subsp. nivea Joseph P. Tracy 1937-6-20 15346 Humboldt ten mi upstream from mouth; Bear River 152 Comment
  UC1184177  Limnanthes douglasii subsp. nivea Robert Ornduff 1960-6-1 6178 Humboldt about 3 mi e Garberville (on road to Alder Point) Comment
  UC908636  Linanthus acicularis Joseph P. Tracy 1929-5-5 8563 Humboldt Miranda, along South Fork of Eel River Northern Coast Ranges, South Fork of Eel River 121 Comment
  UC54709  Linanthus androsaceus Joseph Burtt Davy and Walter C. Blasdale 1899-5 5371 Humboldt near Harris Comment
  UC594161  Linanthus androsaceus C. C. and S. K. Harris 1936-6-12 3351 Humboldt near Bridgeville; Chalk Mountain Comment
  UC902241  Linaria vulgaris Joseph P. Tracy 1941-9-1 16996 Humboldt Blue Lake 30 Comment
  UC28473  Linnaea borealis var. longiflora J. Burtt Davy 1899-6-21 5741 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 609 Comment
  UC1222184  Listera caurina Joseph P. Tracy 1951-6-26 19555 Humboldt Snow Camp Comment
  HSC74730  Listera convallarioides Gail Newton 1981-7-24 2321 Humboldt Near Bug Creek Butte 1417 Comment
  CAS-BOT-BC136462  Listera cordata Doris K. Kildale 1926-3-21 1592 Humboldt Field redacted by CAS, contact the data manager for more information 609 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
  RSA183495  Lithocarpus densiflorus var. densiflorus D. E. Anderson 1963-9-1 2805 Humboldt Near Kneeland. 732 Comment
  RSA476670  Lithocarpus densiflorus var. densiflorus Thekla Mohr s.n. Humboldt Eel River. Humboldt and Mendocino Cos. Comment
  CAS-BOT-BC36105  Lithocarpus densiflorus var. densiflorus Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-10 676 Humboldt Pearch Creek campground by the Klamath River 137 Comment
  CAS-BOT-BC36584  Lithocarpus densiflorus var. echinoides Russell W. Beeson June 1 - July 1 [no year] B- 26 Humboldt Pilot Ridge, Forest Stanislaus 1584 Comment
  HSC20227  Lithophragma affine G. N. Bos 1965-5-15 266 Humboldt 2 mi. W of Berry Summit along U.S. 299. 701 Comment
  UC1196495  Lithophragma affine Joseph P. Tracy 1921-5-30 5488 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1196501  Lithophragma affine Joseph P. Tracy 1921-4-30 6015 Humboldt Trinity River Valley near Willow Creek (Northern Coast Ranges); , Trinity River Valley, nr Willow Creek 152 Comment
  HSC102135  Lithophragma campanulatum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1039 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC91884  Lolium perenne E. Mackey 1987-1-17 Humboldt Patricks Point State Park, near Wedding Rock. Comment
  UC1103157  Lolium temulentum Joseph P. Tracy 1913-6-19 4211 1/2 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC50694  Lolium temulentum Joseph Burtt Davy 1899-6-20 5690 Humboldt Hupa Valley Comment
  RSA0000726  Lomatium donnellii W. L. Jepson 1934-5-8 16716 Humboldt Redway, South Fork Eel River. Comment
  SEINET13944712 Image available Lomatium howellii William A. Weber 1965-1 12295 Humboldt hills 5 mi E of Bridgeville; 2100 ft alt 640 Comment
  HSC82036  Lomatium macrocarpum Thomas W. Nelson, James Nelson 1980-6-10 5404 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  RSA12522  Lomatium macrocarpum C. B. Wolf 1934-7-3 5914 Humboldt 21 mi. from Orick on Weitchpec Rd. Comment
  RSA21095  Lomatium macrocarpum C. B. Wolf 1937-6-14 8823 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  UC1167734  Lomatium macrocarpum Peter Raven with R. Snow 1958-7-20 13637 Humboldt 2.0 mi. s. junction of Titlow Hill and Friday Ridge rds. (near Grouse Mt.) Comment
  UC412762  Lomatium macrocarpum Joseph Burtt Davy and Walter C. Blasdale 1899-7-19 5667 Humboldt Hoopa Mt. Comment
  HSC32228  Lomatium triternatum var. triternatum J. O. Sawyer 1970-6-24 2227 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC32917  Lomatium utriculatum Thomas W. Nelson, James Nelson 1973-5-28 965 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC60069  Lomatium utriculatum M. A. Baker 1978-5-6 461 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  JEPS14166  Lomatium utriculatum Lincoln Constance 1934-5-29 718 Humboldt Bull Creek Region, S. Fork Eel R., Upper Look Prairie 365 Comment
  HSC97097  Lomatium utriculatum Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 2 Humboldt 7.4 mi. S of Hwy. 299 on NF1, Coldspring Camp 1372 Comment
  RSA254740  Lomatium vaginatum Thomas W. Nelson, James Nelson 1973-5-28 965 Humboldt McKeown Ranch north of Dinsmore. Comment
  CAS-BOT-BC240468  Lonicera hispidula H. E. McMinn 1922-8-5 345 Humboldt Van Duzen River Comment
  HSC48414  Lonicera hispidula var. vacillans J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9928 Humboldt Ishi Pishi Rd., 2.5 mi. from Jct. with State Rte. 36 in Orleans. 213 Comment
  UC1125245  Lonicera hispidula var. vacillans H. L. Person 1932-7-23 N.w.S 16 Humboldt road e Korbel; Eureka Quadrangle Comment
  UC169064  Lonicera hispidula var. vacillans Mrs. M. H. Manning 1901-1 Humboldt near Hupa Comment
  SEINET11168851 Image available Lonicera involucrata Unknown 1974-8-11 Humboldt Trinidad Comment
  SEINET5222458  Lonicera involucrata Unknown 2002-8-22 85 Humboldt McKinleyville, along Fischer Road just N of the Mad River Comment
  CHSC13520  Lonicera involucrata var. ledebourii A. R. Morrison 1974-4-27 Humboldt Scattered in open and partially shaded areas along coast ca. 2 mi. N of Trinidad. Comment
  HSC45276  Lonicera involucrata var. ledebourii Brad Klipfel 1974-4-27 312 Humboldt SW side of Big Lagoon. Comment
  HSC59044  Lonicera involucrata var. ledebourii Thomas Wood 1979-4-20 123 Humboldt Along frontage Rd., parallel and E of Hwy. 101 at Patrick Creek Drive intersection, S of Patrick Creek. 6 Comment
  SFV18507  Lonicera involucrata var. ledebourii D. Graydon 2002-5-5 39 Humboldt Mad River Fish Hatchery, Blue Lake. Along east-facing slope of Mad River, next to gravel trail. 16 Comment
  UC180197  Lonicera involucrata var. ledebourii Joseph P. Tracy 1914-6-14 4506 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC33503  Lotus formosissimus Chesnut and Drew 1888-7-8 Humboldt near Campbell's Comment
  SEINET12154204  Lotus micranthus J. P. Tracy 1936-1 14866 Humboldt Coast BLuffs nr Trinidad 61 Comment
  UC198653  Lotus micranthus Joseph P. Tracy 1917-5-30 4795 Humboldt mouth of Little River Northern Coast Region, Little River 6 Comment
  SEINET12154263  Lotus purshianus L. K. Henry 1971-1 s.n. Humboldt along rt 36, 2miE of Dinsmore in Six Rivers National Forest Comment
  UC160992  Lotus purshianus var. purshianus Joseph P. Tracy 1911-8-27 3536 Humboldt Eureka Northern Coast Region 0 Comment
  UC176274  Lotus purshianus var. purshianus Joseph P. Tracy 1913-7-20 4386 Humboldt Redwood Creek, at crossing of Willow Creek road Northern Coast Ranges 304 Comment
  HSC57342  Lotus unifoliolatus var. unifoliolatus Overton, Butler 1979-7-26 10118 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  HSC98112  Lotus unifoliolatus var. unifoliolatus Cara Witte 2007-6-27 370 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  JEPS82250  Luina hypoleuca Roger Raiche 1983-7-19 30536 Humboldt w side Saddle Mt. (King Mt. Trail Road); King Mt. Range, Saddle Mt. 853 Comment
  UC1925864  Lupinus Kay H. Beach 1940-5-5 479 Humboldt along north coast, N of Eureka. Comment
  HSC35035  Lupinus affinis Thomas W. Nelson, James Nelson 1975-5-24 1857 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA167379  Lupinus albicaulis var. shastensis Joseph P. Tracy 1949-8-7 18433 Humboldt On road from Hoopa to Box Camp at summit of ridge near where the road to Big Hill turns off. Comment
  UC503016  Lupinus albifrons Joseph P. Tracy 1929-4-28 8552 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC37859  Lupinus arboreus Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  HSC40974  Lupinus arboreus Linda M. Barker 1976-5-13 1474 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  RSA98774  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19868 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  HSC14790  Lupinus bicolor J. R. Woodside 1963-5-19 1 Humboldt 1 1/4 mi. N of Fairhaven Comment
  UC156991  Lupinus bicolor Joseph P. Tracy 1908-6 2693 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC101036  Lupinus elmeri A. Thoele, Sydney Carothers 1995-7-14 58 Humboldt Six Rivers National Forest; .6 mi. south of intersection of Forest Route 1 & Rd. 3N06, on the edge of Route 1. 1720 Comment
  HSC58603  Lupinus latifolius G. L. Clifton, Griswold 1979-7-25 10856 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC75465  Lupinus latifolius J. O. Sawyer 1980-7-18 3614 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC176599  Lupinus latifolius var. latifolius Joseph P. Tracy 1913-6-20 4240 Humboldt lower foothills on its nw slope Buck Mountain; Northern Coast Ranges, lower foothills Buck Mountain 762 Comment
  UC170164  Lupinus littoralis Joseph P. Tracy 1912-7-7 3745 Humboldt near mouth Elk River; Northern Coast Region, region about Humboldt Bay 0 Comment
  RSA26960  Lupinus luteolus C. Leo Hitchcock, J. S. Martin 1939-7-11 5421 Humboldt 65 miles E of Arcata, bank near road. 457 Comment
  RSA15550  Lupinus nanus subsp. nanus Carl B. Wolf 1927-8-30 1244 Humboldt Paradise, 5 or 6 miles N of Ettersburg. Comment
  UC419035  Lupinus polyphyllus var. polyphyllus H. E. and S. T. Parks May 1930 737 Humboldt vicinity Alton; vicinity of Alton Comment
  JEPS29845  Lupinus rivularis Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7835 Humboldt about 1 mi w of Carlotta (or about 1/2 mi e of Hydesville) Comment
  UCD109515  Lupinus rivularis P. B. Kennedy 1928-7-15 s.n. Humboldt Sea Cliffe, near Trinidad. Comment
  RSA165867  Lupinus variicolor Philip A. Munz 1963-6-19 24528 Humboldt Patrick's Point. 30 Comment
  HSC58111  Luzula comosa G. L. Clifton, Griswold 1979-8-1 12062 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC98577  Luzula comosa Cara Witte 2007-5-26 658 Humboldt National Forest 1. 1 mile north of intersection with Forest Service Road 5N10. 1457 Comment
  UC1152130  Luzula comosa Joseph P. Tracy 1929-4-28 8555 Humboldt near w side South Fork Trinity River (on Manzanita Flat); Trinity River Valley, near South Fork <Trinity River> 182 Comment
  CHSC117678  Luzula macrantha Peter F. Zika 2011-7-3 25500 Humboldt Titlow Hill Road, near junction with Forest Road 6N36, 1 air mile S of Horse Mountain, Outer North Coast Ranges. 1410 Comment
  UC249749  Luzula macrantha Joseph P. Tracy 1923-6-3 6257 Humboldt Northern Coast Ranges. Kneeland Prairie 762 Comment
  HSC14138  Luzula parviflora H. E. Parks, S. T. Parks Jun 1952 22446 Humboldt Bishop Pine Lodge, Trinidad Comment
  JEPS67157  Luzula subsessilis Joseph P. Tracy 1918-4-14 4877 Humboldt s end Dows Prairie (Fish's Mill Creek); Northern Coast Ranges, , s end Dows Prairie 60 Comment
  UC1152139  Luzula subsessilis Joseph P. Tracy 1941-3-23 16807 Humboldt Carlotta 5 mi e Town (open flat by old Strong's District School House); Carlotta, 5 mi e of town 60 Comment
  UCD98226  Lychnis coronaria Philip A. Munz 1952-6-27 17799 Humboldt Boise Creek Public Camp west of Willow Creek. 365 Comment
  JEPS371  Lycopodiella inundata Joseph P. Tracy 1928-9-8 8504 Humboldt Big Lagoon Northern Coast Ranges (in peat bog) 6 Comment
  CAS-BOT-BC61929  Lycopodium clavatum Gordon E. McBride 1963-4-1 s.n. Humboldt 2 miles E of Trinidad 152 Comment
  HSC23776  Lycopodium clavatum R. A. Vanbianchi 1971-9-24 90 Humboldt Near Fieldbrook. Comment
  HSC96513  Lysichiton americanus Gordon Leppig 1999-4-15 1114 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC34916  Lysichiton americanus W. C. Blasdale 1896-6-4 Humboldt Eureka Comment
  JEPS46466  Lysichiton americanus W. L. Jepson 1936-8-17 17916 Humboldt Fields Ld'g Comment
  SEINET11770339  Lysichiton americanus F. H. Utech 1986-1 86 -416 Humboldt between Capetown & Ferndale along Mattole Creek, SW slope of Bear River Ridge 100 Comment
  SEINET11261199  Lythrum hyssopifolia W. J. Ferlatte, B. D. Rogers 1966-8-15 3132 Humboldt North Bank Road, 2 miles north of Arcata.; 0 Comment
  HSC34698  Lythrum hyssopifolia Thomas W. Nelson 1974-9-12 1706 Humboldt KOA campground along E side of Hwy. 101, 3 mi. S of Arcata Comment
  SEINET10473462  Madia Mary Susan Taylor 1990-8-22 Taylor 6074 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  BLMAR185  Madia citriodora Donald Hazlett 1994-6-7 185 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC5319  Madia elegans H. E. Parks, J. P. Tracy 1930-5-25 882 Humboldt Laribee Valley 762 Comment
  CAS-BOT-BC342799  Madia elegans Richard Snow 1957-8-31 306 Humboldt 4 miles north of Garberville at Dean Creek Lodge Comment
  HSC56970  Madia exigua Overton, Butler 1979-7-23 9499 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC58359  Madia gracilis Overton, Butler 1979-8-2 12706 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC58706  Madia gracilis Griswold, Butler 1979-7-10 7133 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC176479  Madia gracilis Joseph P. Tracy 1908-6 2869 Humboldt Valley of Van Duzen River; Buck Mountain 762 Comment
  RSA11144  Madia minima C. B. Wolf 1934-7-2 5861 Humboldt Snow Camp (east of Korbel) 915 Comment
  SBBG8899  Maianthemum dilatatum H. and M. Dearing 1939-5-26 3447 Humboldt Bishop Pine Lodge, N of Trinidad Comment
  RSA137266  Maianthemum dilatatum I. L. Wiggins 1957-6-19 14131 Humboldt East side of highway, Trinidad. Comment
  UCD161450  Maianthemum dilatatum K. Esau 1934-5-8 s.n. Humboldt Redwood Highway near Scotia. Comment
  SBBG58731  Maianthemum racemosum R. Hartwell 1938-8-4 109 Humboldt opposite the Bull Crk Flat store Comment
  HSC15649  Maianthemum racemosum subsp. amplexicaule J. F. Knezevich 1968-5-21 447 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  HSC57938  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1979-8-1 11600 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  CAS-BOT-BC510674  Maianthemum racemosum subsp. amplexicaule Milo Baker 1923-7-31 149 Humboldt Lawrence Creek Comment
  CAS-BOT-BC510675  Maianthemum racemosum subsp. amplexicaule L. B. Kildale 1930-8-3 10337 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  HSC40874  Maianthemum racemosum subsp. amplexicaule Thomas W. Nelson 1976-7-9 3005 Humboldt S of Mt. lassic 1707 Comment
  SEINET12051375  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -316 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC101981  Maianthemum stellatum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 878 Humboldt Patterson Meadows 1566 Comment
  HSC75736  Maianthemum stellatum Bill Copeland 1980-7-2 356 Humboldt Near Snow Camp Creek 1311 Comment
  CAS-BOT-BC347412  Malacothrix floccifera Marcus E. Jones 1931-7-16 29095 Humboldt Junction, East of Arcata Comment
  UC180179  Malus fusca Joseph P. Tracy 1914-5-3 4420 Humboldt Eureka; Northern Coast Region 0 Comment
  UC555510  Malus fusca H. L. Mason 1932-7-21 7101 Humboldt Big Lagoon Comment
  UC72979  Malus fusca H. P. Chandler May 1905 Humboldt Eureka Comment
Read comments
Jun 17 2020
  UC1222316  Malus sylvestris Joseph P. Tracy 1950-4-23 18636 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC1197978  Malva neglecta Joseph P. Tracy 1912-7-26 3876 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS68659  Malva nicaeensis Lincoln Constance 1934-6-18 9006 Humboldt n border of Dyerville Flat (near South Fork Railroad Station and Post Office, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  HSC79515  Marah oregana Kenneth Clark 1980-3-1 513 Humboldt Shelter Cove, middle alluvial terrace, Dead Man's Gulch 37 Comment
  UC1197426  Medicago polymorpha Joseph P. Tracy 1936-6-8 14868 Humboldt Trinidad Bluffs Trinidad 3 Comment
  HSC61766  Medicago sativa Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  UCD86262  Melica aristata Joseph P. Tracy 1949-7-19 18374 Humboldt Grouse Mountain, at 'Friday Camp. 1219 Comment
  UC552701  Melica bulbosa Joseph P. Tracy 1935-7-24 14194 Humboldt near Trinity Summit, Ranger Station; Trinity Summit 1828 Comment
  SEINET10599370  Melica californica Joseph P. Tracy 1913-6-18 Tracy 4195 Humboldt Gravelly grassy hillside, Dinsmore's Ranch, in valley of Van Duzen River opposite Buck Mountain. 762 Comment
  HSC26126  Melica harfordii J. P. Smith, Steve Selva 1970-6-14 3816 Humboldt Along Hwy. 96 at Whitmore Creek. 152 Comment
  UC1132276  Melica harfordii H. L. Person 1932-5-12 Humboldt 10 mi n Garberville (Redwood Highway); Briceland Quad. Comment
  CHSC31285  Melilotus albus Mark Stopher 1980-7-18 119 Humboldt Occasional plants along route 101 south of Eureka near Elk River. Comment
  JEPS63288  Melissa officinalis W. L. Jepson 1932-8-2 16472 Humboldt Dyerville 76 Comment
  JEPS63458  Mentha canadensis Joseph P. Tracy 1934-7-30 13501 Humboldt along coast in front of South End of Stone Lagoon Dry Lagoon; , in front of South End of Stone Lagoon 3 Comment
  UC577379  Mentha canadensis Joseph P. Tracy 1924-8-31 6854 Humboldt Klamath River at mouth of Bluff Cr.; Klamath River at mouth Bluff Cr. 91 Comment
  UC535736  Mentha pulegium Eleanor Armstrong 1156 Humboldt Richardson Grove Comment
  UC630630  Mentzelia dispersa Joseph P. Tracy 1939-8-16 16421 Humboldt Grouse Mountain 1524 Comment
  UC1199339  Micropus californicus var. californicus Joseph P. Tracy 1932-5-1 9868 Humboldt vicinity Garberville 121 Comment
Read comments
Sep 13 2009
  CAS-BOT-BC348374  Micropus californicus var. californicus S. K. Harris; J. P. Tracy 1942-6-15 s.n. Humboldt Harris Road, 1 mile east of Garberville 30 Comment
  CAS-BOT-BC348375  Micropus californicus var. californicus Doris K. Kildale 1926-4-30 1915 Humboldt Fruitland Hill - Harris Road Comment
  UC891844  Microseris borealis Milo S. Baker 1927-8-21 24886 Humboldt bog near Bald Mt. 914 Comment
  CAS-BOT-BC322686  Microseris laciniata M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  HSC58236  Microsteris gracilis Walter Overton 1979-8-1 12394 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC98617  Microsteris gracilis Cara Witte 2007-5-23 111 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1635 Comment
  HSC55989  Mimulus breweri Overton, Butler 1979-7-31 11404 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC582601  Mimulus douglasii Joseph P. Tracy 1925-5-24 7012 Humboldt Kneeland Prairie 762 Comment
  HSC20721  Mimulus guttatus J. F. Knezevich 1968-5-14 432 Humboldt 13 mi. S of Ferndale at Cape Mendocino 0 Comment
  HSC20741  Mimulus guttatus S. R. Johnson 1965-4-16 40 Humboldt 1 mi. N of Luffenholtz Beach Comment
  SEINET200707  Mimulus kelloggii H. P. Chandler 1901-6-1 1480 Humboldt N Coast Ranges Klamath River 427 Comment
  UC1196830  Mimulus microphyllus Joseph P. Tracy 1933-8-6 12932 Humboldt Lyons Ranch Bald Hills 762 Comment
  HSC33170  Mimulus moschatus Thomas W. Nelson 1973-8-19 1110 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC73736  Mimulus moschatus M. A. Baker 1980-7-22 3090 Humboldt Near Grogan Hole. 1676 Comment
  HSC40029  Mimulus nanus var. nanus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2877 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  CAS-BOT-BC174683  Minuartia cismontana H. E. Parks; J. P. Tracy 1930-5-25 0866 Humboldt Laribee Valley, Eastern Humboldt Co. Comment
  HSC104079  Minuartia decumbens S. Carothers 2001-6-4 Humboldt Six Rivers National Forest; Lassics Botanical Area, ridge off Rd. 1S11 1646 Comment
  SEINET11943610  Minuartia douglasii J. P. Tracy 1950-1 18993 Humboldt 2 mi S of Burr Valley on Albee Road, Bridgeville to Blocksburg 1158 Comment
  UC1198330  Minuartia douglasii Joseph P. Tracy 1911-7-4 3299 Humboldt Willow Creek Northern Coast Ranges (near mouth, tributary of Trinity River) 182 Comment
  HSC39552  Minuartia nuttallii subsp. gregaria Thomas W. Nelson 1976-6-14 2705 Humboldt S of Lassic Peak 1524 Comment
  HSC97557  Minuartia nuttallii subsp. gregaria Cara Witte 2007-6-1 164 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1311 Comment
  UC1103535  Minuartia pusilla Joseph P. Tracy 1904-4-24 2030 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  CHSC115049  Mitella caulescens Stephanie Puentes 2008-6-19 09120 Humboldt 1.5 miles west of Lake Prairie on the southwest facing bank of Maple Creek. 670 Comment
  JEPS49686  Mitella caulescens Joseph P. Tracy 1923-6-24 6361 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC16010  Modiola caroliniana W. D. Stevens 1967-7-16 46 Humboldt Along dirt road from old Hwy. 101 to top of N bank of Mad River Comment
  BLMAR365  Modiola caroliniana Clara Sander 2003-6-3 365 Humboldt King range, Mattole campground roadside 9 Comment
  HSC74371  Moehringia macrophylla M. A. Baker 1980-6-16 1950 Humboldt Near Onion Mtn. 1280 Comment
  SEINET6646077 Image available Mollugo verticillata Joseph P. Tracy 1920-1 5363 Humboldt Klamath River at Bluff Creek Comment
  HSC75492  Monardella glauca J. O. Sawyer 1980-7-18 3634 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC58044  Monardella odoratissima subsp. pallida Gilbert Muth 1979-8-1 11900 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  SEINET4173659 Image available Monardella villosa Joseph P. Tracy 1939-8-5 16381 Humboldt Dinsmore's Comment
  UC577342  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15428 Humboldt Vicinity Garberville 121 Comment
  UC774992  Monardella villosa subsp. villosa Carl B. Wolf 1937-8-13 9223 Humboldt 8 mi east Hoopa Valley on new road towards Trinity Summit; North Coast Range 1219 Comment
  UC161050  Montia fontana Joseph P. Tracy 1909-5-2 2955 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC275480  Montia fontana Joseph P. Tracy 1925-3-15 6941 Humboldt Blue slide on Van Duzen River Van Duzen River; Northern Coast Ranges, Blue slide, Van Duzen River 91 Comment
  CAS-BOT-BC260571  Muhlenbergia filiformis Joseph P. Tracy 1930-7-16 8920 Humboldt South Fork Mountain: at McKay Camp 1676 Comment
  HSC3723  Myosotis sylvatica D. A. Shally 1965-5-15 49 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC69535  Myosotis sylvatica R. Kalal 1979-5-20 73 Humboldt Logging road E of HSU campus, Arcata 58 Comment
  UCD150388  Myriophyllum aquaticum William Anderson 1958-12-24 s.n. Humboldt McKinleyville. Comment
  HSC35523  Myriophyllum aquaticum No Collector Humboldt W of Mckinleyville Comment
  JEPS109582  Myriophyllum hippuroides Dean W. Taylor 2002-9-12 18342 Humboldt Lake Prairie, remnant of the original bog vegetation on the eastern end of the lake 1097 Comment
  HSC6893  Nasturtium officinale P. W. Shields 1955-6-16 Humboldt HSU campus Comment
  HSC56058  Navarretia divaricata G. L. Clifton, Griswold 1979-7-31 11693 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  SEINET200374  Navarretia divaricata var. vividior Joseph P. Tracy 1908-7-27 2721 Humboldt Valley of Van Duzen River, opposite Buck Mountain 305 Comment
  JEPS70337  Navarretia intertexta W. L. Jepson 1902-6-25 1943 Humboldt Green Point Ranch Redwood Creek Comment
  JEPS70462  Navarretia squarrosa W. L. Jepson 1921-8-11 9416 Humboldt Big Lagoon Humboldt Coast Comment
  HSC13570  Nemophila heterophylla Doris K. Kildale 1926-4-25 1802 Humboldt Willow Creek Flat 152 Comment
  HSC13585  Nemophila menziesii var. atomaria T. M. Mingo May 1965 Humboldt W of Fairhaven Dr. intersection with Hwy. 101 Comment
  UC1239754  Nemophila menziesii var. atomaria Joseph P. Tracy 1927-4-23 7910 Humboldt Trinidad Trinidad (on coast bluffs) 3 Comment
  CAS-BOT-BC219407  Nemophila parviflora M. S. Jussel 1931-5-2 92 Humboldt Sylvandale, 8 miles N. of Garberville Comment
  BLMAR494  Nemophila parviflora Jennifer Wheeler 2009-4-30 494 Humboldt King range, Hidden Valley trail; trail start Comment
  UC1103812  Nemophila pedunculata Joseph P. Tracy 1923-2-25 6147 Humboldt Cummings Creek Northern Coast Ranges, , at Cummings Creek (Carlotta) 60 Comment
  RSA43880  Nicotiana acuminata H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  JEPS12381  Nicotiana quadrivalvis Joseph P. Tracy 1930-10-19 9223 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  JEPS12383  Nicotiana quadrivalvis Joseph P. Tracy 1916-9-5 4764 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  UC1196162  Nicotiana quadrivalvis Joseph P. Tracy 1940-10-17 16769 Humboldt 2 to 5 mi e South Fork (along Eel River); Eel River 45 Comment
  HSC99274  Noccaea fendleri subsp. glauca D. E. Anderson 1965-5-1 3587 Humboldt Along Hwy. 96, 3-4 mi. S of Weitchpec Comment
  CAS-BOT-BC60564  Noccaea fendleri subsp. glauca Lincoln Constance; Reed C. Rollins 1942-5-12 2887 Humboldt Klamath-Siskiyou Region. Klamath River 7 miles northeast of Weitchpec. 121 Comment
  CAS-BOT-BC400077  Nuphar polysepala Carl B. Wolf 1937-9-9 9309 Humboldt 1 mi. So. of Capetown on road to Cape Mendocino 91 Comment
  HSC20656  Nuttallanthus texanus L. H. Myers 1963-4-5 19 Humboldt Dunes W of Lanpheres Rd., Mad River slough area Comment
  HSC48063  Nuttallanthus texanus Thomas W. Nelson 1978-4-23 3885 Humboldt N of Samoa Comment
  UCD124038  Nuttallanthus texanus Linda M. Barker 1976-6-1 1550 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC77344  Oemleria cerasiformis L. P. Janeway 1983-4-16 231 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  UC666833  Oemleria cerasiformis Joseph P. Tracy 1935-7-9 14059 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC38335  Oenanthe sarmentosa Peter Sorensen 1976-8-11 Humboldt King Salmon Comment
  CDA38485  Oenanthe sarmentosa Tario 1932-9-21 s.n. Humboldt Arcata. 0 Comment
  CDA38488  Oenanthe sarmentosa Margaret Bellue 1932-9-28 s.n. Humboldt Arcata. 0 Comment
  HSC21578  Oenanthe sarmentosa B. R. Templeton 1962-5-10 Humboldt Diagonal road from Humboldt State campus to 13th St., Arcata Comment
  HSC21580  Oenanthe sarmentosa Paul Shields 1955-6-16 Humboldt Humboldt State campus Comment
  CHSC70154  Oenothera glazioviana David K. Imper 1993-6-15 Humboldt Base of sand dunes, south end of Manila, west of Eureka. 6 Comment
  JEPS11667  Orobanche californica subsp. californica Joseph P. Tracy 1918-7-1 4970 Humboldt Cape Mendocino, southwestern slopes, fronting the ocean, three miles south of Point of the Cape. Comment
  JEPS26030  Orobanche californica subsp. californica Joseph P. Tracy 1939-8-6 16398 Humboldt Big Lagoon. Comment
  HSC39391  Orobanche fasciculata D. E. Anderson, J. P. Smith 1971-7-6 - 1274 Humboldt Horse Mtn. Comment
  CAS-BOT-BC458030  Orthilia secunda Joseph P. Tracy 1932-7-20 10737 Humboldt Trinity Summit, near Corral Prairie 1584 Comment
  HSC76202  Osmorhiza berteroi Overton, Butler 1979-8-2 12517 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC82101  Osmorhiza berteroi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5267 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  HSC96256  Osmorhiza berteroi Kaylea Eickhoff, Cara M. Witte 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  UC1197132  Osmorhiza occidentalis Joseph P. Tracy 1932-7-11 10420 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC59400  Osmorhiza purpurea Rick Lundquist 1979-5-2 55 Humboldt SE corner 7th & Union Streets 24 Comment
  SEINET3347445 Image available Oxalis corniculata Joseph P. Tracy 1912-6-9 3682 Humboldt Alton 30 Comment
  HSC16727  Oxalis oregana Francis Winter 1960-5-7 Humboldt Pine Ridge Summit 686 Comment
  HSC59584  Oxalis oregana Rick Lundquist 1979-4-24 36 Humboldt Arcata, lower Church parking lot at E end of 16th St. 46 Comment
  UCD111002  Oxalis pilosa R. N. Raynor 1935-1 s.n. Humboldt Humboldt County. Comment
  SEINET3347146 Image available Oxalis suksdorfii Joseph P. Tracy 1930-6-22 8796 Humboldt Redwood Creek, at Berry's Comment
  RSA20792  Oxalis trilliifolia Carl B. Wolf 1937-8-13 9257 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  UC1103779  Panicum capillare Joseph P. Tracy 1920-8-15 5369 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges, Klamath River 152 Comment
  UC1103770  Panicum miliaceum subsp. miliaceum J. C. Tario Jr. 1931-8-20 Humboldt Eureka 30 Comment
  RSA246893  Parapholis incurva R. F. Thorne, P. Everett 1965-8-8 35274 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  UC162690  Parentucellia viscosa Joseph P. Tracy 1911-7-12 3530 Humboldt Blue Lake; Northern Coast Ranges 60 Comment
  CAS-BOT-BC259728  Paspalum distichum Joseph P. Tracy 1934-7-30 13498 Humboldt Dry Lagoon, on coast near Stone Lagoon 3 Comment
  SBBG70467  Pectiantia ovalis S. W. H. -Jun-1917 1002 Humboldt Redwood Hwy 243 Comment
  UC1239629  Pectocarya pusilla Joseph P. Tracy 1926-5-2 7428 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC100933  Pellaea andromedifolia Miss Handy Jun 1886 336 Humboldt Maple Cr. (on a large rock). Comment
  UC1198045  Penstemon anguineus Harold E. Parks and Joseph P. Tracy 1949-6-25 11666 Humboldt at Mud Springs on Trinity Summit Trinity Summit, at Mud Springs 1524 Comment
  HSC76225  Penstemon laetus subsp. sagittatus Walter Overton, Marvin Butler 1979-7-24 9745 Humboldt Near Black Rock, close to the town of Willow Creek 1554 Comment
  UC162565  Penstemon laetus var. sagittatus Joseph P. Tracy 1911-7-6 3344 Humboldt mountain slopes along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges 762 Comment
  HSC72988  Penstemon newberryi M. A. Baker 1980-7-23 3144 Humboldt Near Orleans Mtn. 1859 Comment
  HSC55841  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-25 10792 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC56231  Penstemon newberryi subsp. berryi Walter Overton 1979-8-1 12307 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  CDA41849  Penstemon parvulus Peter Haggard 1993-7-22 PDR# 1061613 Humboldt Bair Road southwest of Hoopa. 0 Comment
  NY640969  Penstemon purpusii J. P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain Comment
  HSC35941  Penstemon rattanii Thomas W. Nelson, Jane Nelson, James Nelson 1975-7-15 2025 Humboldt Beside Bald Hills Rd., just E of Redwood National Park Comment
  JEPS6895  Penstemon rattanii var. rattanii Joseph P. Tracy 1906-6-10 2480 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  SEINET10547443 Image available Penstemon rattanii var. rattanii V. Rattan Rattan 11918 Humboldt 792 Comment
  HSC39178  Pentagramma triangularis D. E. Anderson, J. P. Smith 1971-6-28 - 1223 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UCD137780  Pentagramma triangularis K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 457 Comment
  HSC102578  Perideridia gairdneri subsp. borealis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1565 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC709387  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1941-8-24 17038 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC38073  Perideridia howellii Thomas W. Nelson, James Nelson 1976-5-30 2634 Humboldt McKeowan Ranch N of Dinsmore along road to Anderson's Ford 915 Comment
  HSC32525  Perideridia kelloggii Thomas W. Nelson 1973-9-3 1126 Humboldt McKeown Ranch N of Dinsmore Comment
  POM89787  Perideridia parishii subsp. latifolia Joseph P. Tracy 1919-9-18 5231 Humboldt Trinity Summit 1829 Comment
  HSC12023  Persicaria punctata D. Santana 1970-10-28 Humboldt Mad River off Essex Ln., Hwy. 299 Comment
  HSC98989  Petasites frigidus var. palmatus Cara Witte 2008-6-4 680 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1276 Comment
  HSC64163  Phacelia bolanderi J. O. Sawyer, K. A. Sawyer 1979-6-24 3407 Humboldt Slopes alongside Aikens Creek. 366 Comment
  POM287459  Phacelia bolanderi Lyman Benson 1929-7-16 1839 Humboldt Dyerville Junction of North and South Forks of Eel River. Comment
  UC672428  Phacelia bolanderi Herbert L. Mason 1928-7-20 4910 Humboldt near Weitchpec; Klamath River Canyon Comment
  JEPS47303  Phacelia californica L. R. Heckard and R. Bacigalupi 1964-7-28 1428 Humboldt about 1 mi e ocean (where Petrolia-Ferndale first reaches the beach) Comment
  POM127633  Phacelia heterophylla subsp. virgata H. P. Chandler 1901-05 1257 Humboldt Redwood belt. 152 Comment
  RSA167317  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1951-6-24 19539 Humboldt Rock exposure between serpentine rock pile and Ashfield Butte. Kneeland Prarie. 762 Comment
  UC1199106  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1945-7-4 17512 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC56933  Phacelia mutabilis G. L. Clifton, Butler 1979-7-26 9369 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC774626  Phacelia mutabilis Carl B. Wolf 1937-8-13 9238 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity Summit); North Coast Range 1219 Comment
  JEPS1133  Phacelia nemoralis subsp. oregonensis W. L. Jepson 1902-6-20 1896 Humboldt = Mail Ridge Fort Seward Ranch Ridge 396 Comment
  HSC58024  Phacelia procera G. L. Clifton 1979-7-31 11831 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC154151  Philadelphus lewisii Mrs. M. H. Manning 1901-6-7 56 Humboldt Hupa Valley Comment
  UC56721  Philadelphus lewisii Harley P. Chandler June, 1901 1333 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC99494  Phleum pratense K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 154 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
  RSA10146  Phleum pratense Joseph P. Tracy 1933-7-21 12822 Humboldt Valley of South Yager Creek 762 Comment
  UC187279  Phleum pratense Joseph P. Tracy July, 1908 2892 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges, between Van Duzen and Mad Rivers 914 Comment
  HSC44533  Phlox adsurgens Brad Klipfel 1973-7-1 140 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UCD118236  Phlox adsurgens H. P. Olmo 1928-6-10 s.n. Humboldt Wooley Creek. Comment
  HSC45267  Phlox diffusa M. Alcasas 1978-6-3 112 Humboldt Horse Mtn. summit 1513 Comment
  HSC70233  Phlox diffusa M. A. Baker 1980-6-8 1895 Humboldt Near Buck Flat. 1554 Comment
  HSC97646  Phlox diffusa subsp. diffusa C. Witte 2007-5-17 23 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  UC908476  Phlox gracilis Joseph P. Tracy 1930-5-4 8692 Humboldt Larrabee Valley Northern Coast Ranges 701 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
  HSC102090  Phyllodoce empetriformis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 993 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC18714  Physocarpus capitatus T. M. Mingo May 1965 Humboldt 200 ft. S of College Cove along rd. Comment
  RSA46805  Physocarpus capitatus Doris K. Kildale 1927-5-15 3158 Humboldt Petrolia Comment
  UC1198700  Physocarpus capitatus Joseph P. Tracy 1922-10-29 6133 Humboldt Alton 30 Comment
  CAS-BOT-BC78144  Picea breweriana Henry M. Pollard 1947-9-1 s.n. Humboldt North side of Somes Peak nr. Orleans 1618 Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC40943  Picea sitchensis Linda M. Barker 1976-4-13 1376 Humboldt 3 mi. W of Arcata Comment
  UC136  Picea sitchensis J. P. Tracy 1901-4-17 Humboldt Samoa, Humboldt Bay Comment
  HSC104094  Pinguicula macroceras Monica Rodriguez, William A. Worley 2015-3-21 25 Humboldt Along South Fork Rd, 8.9 mi. from 199 Redwood Hwy. Comment
  HSC1482  Pinus contorta S. J. Hawks 1965-3-12 5 Humboldt 0.25 mi. W of Fairhaven Comment
  UC400254  Pinus contorta subsp. contorta J. P. Tracy 1901-2-1 Humboldt opp. Eureka (sand hills of Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  HSC54535  Pinus jeffreyi Overton, Butler 1979-7-23 9485 Humboldt Near Horse Mtn. Creek 1326 Comment
  OBI33911  Pinus jeffreyi David J. Keil 1983-7-2 17315 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  UC902029  Pinus jeffreyi Joseph P. Tracy 1949-7-19 18387 Humboldt Grouse Mountain 1524 Comment
  HSC1529  Pinus muricata R. A. Magie 1964-5-3 46 Humboldt 2 mi. N of Trinidad on old Hwy. to Crescent City. Comment
  JEPS79893  Piperia elongata Joseph P. Tracy 1925-7-12 7213 Humboldt near the South Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1196427  Piperia elongata Joseph P. Tracy 1918-9-1 5098 Humboldt Eureka, at the Stephen Hill place Northern Coast Ranges Comment
  UC1196412  Piperia unalascensis Joseph P. Tracy 1926-5-30 7521 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  HSC44610  Pityopus californicus T. Mainwaring 1978-6-2 Humboldt Horse Mountain Area. Bulk Collection 120 Comment
  UC1121030  Pityopus californicus R. Stahelin 1933-7-20 Humboldt Korbel Eureka Quad. (yield Plot #16, se of Riverside Plant) Comment
  CAS-BOT-BC227973  Plagiobothrys Doris K. Kildale 1926-6-4 2095 Humboldt Big Lagoon Comment
  UC526827  Plagiobothrys reticulatus Joseph P. Tracy 1930-6-15 8764 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  JEPS60994  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1936-6-9 14905 Humboldt Upper Mattole Valley 121 Comment
  JEPS60979 Image available Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1903-5-22 1878 Humboldt Alder Point Flat Eel River Comment
  RSA178574  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Trinity Summit; Meadow at Box Camp. 1463 Comment
  UC1151994  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Bridge 609 Comment
  UC1125641  Plantago lanceolata H. L. Person 1932-7-16 Humboldt n of Trinidad (highway); Rock Point Quad. Comment
Read comments
Aug 3 2007
  HSC16843  Plantago lanceolata N. R. Waite 1965-5-19 51 Humboldt W edge of Humboldt State University campus. Comment
  RSA245522  Plantago lanceolata Larry E. DeBuhr 1973-4-23 988 Humboldt Richardson Grove Redwood State Park. Comment
  CDA18205  Plantago maritima G. D. Barbe, T. C. Fuller 1974-6-17 1831 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  HSC83040  Plantago maritima A. L. Eicher 1986-5-10 Humboldt .3 mi. S of the junction of Samoa Blvd. and Vance Ave. 1 Comment
  POM312378  Plantago subnuda Malcolm A. Nobs, S. Galen Smith 1949-8-3 1188 Humboldt Southern outskirts of Eureka Comment
  HSC98718  Platanthera dilatata var. leucostachys Cara Witte 2008-7-1 791 Humboldt Near Grouse Mountain spring. Along Forest Service Road 5N04. 1/4 mile east of intersection with 4N70. 1583 Comment
  HSC99365  Platanthera sparsiflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 14 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS49012  Platanthera sparsiflora Hilda W. Grinnell 1932-7-19 28 Humboldt boggy meadows near Camp McKay; So. Fork Mt. Comment
  CAS-BOT-BC91637  Platystemon californicus M. Louise Hutchinson 1913-4-1 s.n. Humboldt Eureka. Comment
  UC1196295  Platystemon californicus Joseph P. Tracy 1935-5-25 13871 Humboldt Fort Seward 106 Comment
  JEPS5131  Plectritis brachystemon Lincoln Constance 1934-6-3 802 Humboldt 1 mi n of Dyerville (Road from High Rock (on Redwood Highway) to Horse Prairie, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  UC718183  Plectritis brachystemon Carl B. Wolf 1937-6-14 8814 Humboldt North Coast Range, Kneeland Prairie Kneeland Prairie; North Coast Range, Kneeland Prairie 822 Comment
  UC168998  Plectritis brachystemon Joseph P. Tracy 1905-4-30 2176 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  UC1239596  Plectritis congesta Joseph P. Tracy 1935-6-23 13974 Humboldt French Camp Ridge 1066 Comment
  UC1239606  Plectritis congesta Joseph P. Tracy 1923-5-20 6216 Humboldt Kneeland Prairie 762 Comment
  HSC49370  Pleuricospora fimbriolata T. Jimerson, J. Pageau 1979-6-15 582 Humboldt West of FS 11N21, on the boundary between Sections 27 and 28. 762 Comment
  HSC102147  Pleuropogon refractus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1054 Humboldt Patterson Meadows 1555 Comment
  SEINET200956 Image available Pleuropogon refractus J. P. Tracy 1922-6-18 6095 Humboldt Head of Middle Yager Creek. 762 Comment
  UC1152688  Pleuropogon refractus D. E. Anderson 1963-3-24 2404 b Humboldt Old logging road on s side of Jacoby Creek Comment
  SEINET11680859  Pleuropogon refractus J. P. Tracy 1951-1 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  SEINET200752  Pneumonanthe oregana J. P. Tracy 1904-8-7 2140 Humboldt Immediate vicinity of Eureka. 0 Comment
  HSC40866  Poa annua Linda M. Barker 1976-4-30 1399 Humboldt 3 mi. W of Arcata Comment
  UC1607848  Poa annua Harold E. Parks June 1933 4317 Humboldt Spruce Cove Trinidad Comment
  UC526847  Poa bolanderi Joseph P. Tracy 1934-7-18 13435 Humboldt Grouse Mt 1524 Comment
  CAS-BOT-BC254897  Poa bulbosa Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River, Orleans Comment
  HSC10685  Poa confinis Norman H. Moe 1962-5-17 Humboldt Lanphere's Place. Comment
  RSA183609  Poa confinis R. I. Bonn 1965-5-7 27 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  HSC74676  Poa cusickii subsp. epilis Gail Newton 1981-5-16 2176 Humboldt Near Bug Creek. 1228 Comment
  UC1132658  Poa douglasii H. S. Yates 1936-6-18 5726 Humboldt near mouth Little River; Eureka Quadrangle Comment
  UC34064  Poa douglasii J. P. Tracy 1900-7-4 886 Humboldt Ocean Beach at Samoa (opposite Eureka) Comment
  UC34125  Poa howellii Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5516 Humboldt near Pepperwood Pepperwood Comment
  CAS-BOT-BC255850  Poa kelloggii Harley P. Chandler 1901-5-1 1183 Humboldt Humboldt Bay 30 Comment
  HSC38922  Poa macrantha Linda M. Barker 1976-6-22 1625 .5 Humboldt 3 mi. W of Arcata Comment
  HSC10379  Poa pringlei D. E. Anderson 1965-6-1 3765 Humboldt Horse Mountain. 1220 Comment
  RSA63625  Poa secunda Milo S. Baker s.n. Humboldt Near Yager Comment
  CAS-BOT-BC235983  Poa secunda subsp. secunda Doris Kildale Gillespie 1931-6-7 10640 Humboldt South Fork Mountain, Blake Lookout 1726 Comment
  HSC32621  Poa secunda subsp. secunda D. E. Anderson 1965-5-22 3728 Humboldt Hunt Ranch, 3-4 mi. N of Bridgeville. Comment
  HSC73572  Poa secunda subsp. secunda Gail Newton 1980-7-14 1509 Humboldt Near Last Chance Ridge. 1219 Comment
  UC1103187  Poa trivialis Joseph P. Tracy 1936-6-28 15015 Humboldt e of Korbel (Bald Mt, Murphy Meadows) 975 Comment
  UC1103176  Poa unilateralis J. P. Tracy 1919-4-27 5134 Humboldt Ocean Beach at Samoa Comment
  UC17437  Polygala californica Harley P. Chandler June 1901 1328 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  JEPS43006  Polygala californica W. L. Jepson 1934-5-7 16704 Humboldt in woods at border Buckeye Prairie; Bull Creek Comment
  HSC98083  Polygala cornuta var. cornuta Cara Witte 2007-7-10 475 Humboldt Horse Mountain Botanical Area. Forest service Road 6N36A. 1334 Comment
  HSC64421  Polygonum aviculare J. P. Smith 1971-10-9 5048 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  CAS-BOT-BC414302  Polygonum aviculare subsp. neglectum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC55083  Polygonum douglasii G. L. Clifton, Griswold 1979-7-31 11747 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC55188  Polygonum douglasii G. L. Clifton, Griswold 1979-8-2 12251 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC146189  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1908-6 2921 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC535117  Polygonum douglasii subsp. spergulariiforme H. E. Parks, J. P. Tracy 1930-9-15 767 Humboldt Kneeland Bald Hills Comment
  UC672934  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1939-10-29 16520 Humboldt Kneeland Prairie 822 Comment
  RSA152547  Polygonum kelloggii Joseph P. Tracy 1932-7-10 10379 Humboldt Trinity Summit Corral Prairie, in wet meadow Comment
  RSA89770  Polygonum paronychia P. A. Munz 1954-7-25 19872 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  UC55514  Polygonum paronychia Harley P. Chandler May, 1901 1157 Humboldt Samoa North Coast Ranges, Humboldt Bay (sandhills) 3 Comment
  CAS-BOT-BC109184  Polygonum paronychia E. A. McGregor 1921-8-25 s.n. Humboldt Requa and vicinity. Sand bar extending southward from mouth of Klamath River. Comment
  UC55512  Polygonum persicaria Mrs. M. H. Manning 1900-1 Humboldt Hoopa Comment
  CAS-BOT-BC419955  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt South Fork Mountain. Near McKay Camp. 1676 Comment
  CAS-BOT-BC419954  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1949-8-11 18480 Humboldt Kinsey Ridge. South from Grouse Mt., 2 to 6 miles. 1402 Comment
  UC672940  Polygonum sachalinense W. E. Peacock 1939-8-18 Humboldt near Fields Landing; Buhne Flat 9 Comment
Read comments
Jul 14 2016
  CDA2919  Polygonum sachalinense T. C. Fuller 1960-8-25 4973 Humboldt Northwestern; Outer North Coast Ranges region; West of Highway 101, 0.25 mile north of Humboldt Hill Road, Eureka. 0 Comment
  HSC53800  Polygonum spergulariiforme Griswold, Butler 1979-7-10 6221 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC26897  Polygonum spergulariiforme Thomas W. Nelson 1973-7-27 1102 Humboldt SW of the Kneeland airstrip 915 Comment
  SEINET3404070 Image available Polygonum spergulariiforme Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain, Jeffrey Pine Comment
  HSC39942  Polypodium glycyrrhiza Linda M. Barker 1976-3-11 1328 Humboldt 3 mi. W of Arcata Comment
  SEINET200790 Image available Polypodium glycyrrhiza Joseph P. Tracy 1936-3-8 14775 Humboldt Miranda; oak groved along South Fork of Eel River Comment
  UC812497  Polypodium glycyrrhiza Eliz. Parsons Hawver June 1915 Humboldt Carlotta Comment
  RSA183501  Polypodium glycyrrhiza H. S. Logsdon 1964-5-13 20 Humboldt 4.0 miles northeast of Orick at Boye s Prairie Comment
  SEINET200789 Image available Polypodium glycyrrhiza Joseph P. Tracy 1931-3-26 9294 Humboldt Blue Slide, on Van Duzen River Comment
  UC197909  Polypodium glycyrrhiza Joseph P. Tracy 1913-3-9 4023 Humboldt Hydesville; Northern Coast Region 30 Comment
  UC249781  Polypodium glycyrrhiza Joseph P. Tracy 1924-2-24 6602 Humboldt along Eel River from S Fork to Scotia (near McKee's Mill); Northern Coast Ranges 60 Comment
  CAS-BOT-BC72080  Polypodium scouleri Joseph P. Tracy 1933-6-6 12510 Humboldt Trinidad 6 Comment
  CHSC94935  Polypodium scouleri K. Lang; J. Lang 2005-3-17 31 Humboldt Fern Canyon, near Orick. 15 Comment
  CAS-BOT-BC72083  Polypodium scouleri Ira L. Wiggins 1957-6-20 14133 Humboldt East side of highway, Trinidad Comment
  HSC100394  Polypodium vulgare Carl C. Marshall Mar 1886 155 Humboldt Trees etc., on Mad River. Comment
  HSC26536  Polypogon australis J. P. Smith 1971-10-9 5035 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC12125  Polypogon interruptus A. S. Hitchcock 1915-7-23 839 Humboldt Eureka Comment
  UC204533  Polypogon maritimus Joseph P. Tracy 1918-7-1 4967 Humboldt along Eel River from South Fork to Scotia Holmes Flat; Northern Coast Ranges, along Eel River 60 Comment
  HSC10838  Polypogon monspeliensis David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  HSC11740  Polypogon monspeliensis Jerry Parker 1968-11-19 241 Humboldt Clam beach in stream bed of Strawberry Creek. Comment
  HSC89907  Polypogon monspeliensis Leonel Arguello 1989-5-27 Humboldt Lanphere-Christensen Dunes Preserve 3 miles W of Arcata. End of Saltmarsh trail. Comment
  CAS-BOT-BC72117  Polystichum californicum Joseph P. Tracy 1933-10-15 13101 Humboldt Miranda, along S. Fork Eel River 91 Comment
  HSC76326  Polystichum imbricans Denis Kearns 1981-7-21 296 Humboldt Near Whiteys Peak 1585 Comment
  HSC55170  Polystichum munitum Gilbert Muth 1979-8-1 12166 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC89413  Polystichum munitum P. A. Daly 1986-3-12 73 Humboldt Trinidad Head, along trail 61 Comment
  RSA46706  Polystichum munitum Doris K. Kildale 1929-3-10 6944 Humboldt Bug Creek Comment
  SBBG306  Polystichum munitum H. and M. Dearing 1939-5-27 3454 Humboldt Patrick's Crk and Pt Comment
  HSC56204  Populus trichocarpa G. L. Clifton, Griswold 1979-8-2 12195 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1103510  Potamogeton foliosus Joseph P. Tracy 1940-10-17 16774 Humboldt 2 to 5 mi e of South Fork (Camp Grant); Eel River 45 Comment
  CAS-BOT-BC143079  Potentilla anserina subsp. pacifica Doris K. Kildale 1926-6-29 2249 a Humboldt Mouth of Mad River Comment
  HSC60412  Potentilla anserina subsp. pacifica J. P. Smith 1970-6-7 3807 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  UCD113692  Potentilla anserina subsp. pacifica Linda M. Barker 1976-6-1 1556 Humboldt 3 miles west of Arcata. Comment
  SD42346  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park Comment
  RSA34306  Potentilla anserina var. grandis C. Kistner 1935-5-10 s.n. Humboldt Samoa. Comment
  UC492176  Potentilla drummondii Joseph P. Tracy 1932-7-10 10391 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  UC420576  Potentilla gracilis P. E. Goddard 1906-6 668 Humboldt Lasseck Pk Comment
  HSC102177  Potentilla gracilis var. fastigiata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1090 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC158496  Potentilla gracilis var. gracilis Doris K. Kildale 1926-6-27 2210 Humboldt Laribee Valley 701 Comment
  SEINET2474968 Image available Potentilla palustris var. villosa Joseph P. Tracy 1923-6-17 6276 Humboldt Big Lagoon 10 Comment
  HSC97300  Prosartes smithii M. Mesler 2006-6-24 620 Humboldt NNE of Grouse Mtn., 1.1 mi. from NF 1 1555 Comment
  SEINET12045060  Prosartes smithii Unknown 1933-1 3413 Humboldt Dyerville, South Fork of Eel River Comment
  HSC14311  Prunella vulgaris Paul Shields 1955-6-12 Humboldt 6 miles west of Meyers Flat Comment
  SEINET13947097 Image available Prunella vulgaris W. J. Ferlatte, B. D. Rogers 1966-1 2083 Humboldt 1 mi E of Forest Glen; 2400 ft alt., T29E, R8E, SEC19 732 Comment
  HSC23488  Prunella vulgaris subsp. lanceolata R. A. Vanbianchi 1971-9-24 87 Humboldt Comment
  UC1225839  Prunella vulgaris var. vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek near the quarry Jacoby Creek 152 Comment
  CAS-BOT-BC159984  Prunus emarginata Doris Kildale Gillespie 1931-6-7 10593 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  CAS-BOT-BC159985  Prunus emarginata L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road Comment
  POM89158  Prunus emarginata Joseph P. Tracy 1920-11-7 5410 Humboldt Around Humboldt Bay. Mad River at Lindsey Creek. 30 Comment
  RSA43863  Prunus emarginata H. M. Pollard 1947-9-1 s.n. Humboldt Near summit of Somes Peak, Orleans region. 1524 Comment
  CAS-BOT-BC154738  Prunus virginiana var. demissa Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  CAS-BOT-BC154740  Prunus virginiana var. demissa Doris K. Kildale 1926-5-16 1841 Humboldt Horse Mountain 792 Comment
  RSA46894  Prunus virginiana var. demissa Doris K. Kildale 1927-5-20 3240 Humboldt Bug Creek. Comment
  UC169340  Pseudognaphalium californicum Joseph P. Tracy 1912-7-21 3769 Humboldt Alton Northern Coast Region of California, Alton 30 Comment
  POM288759  Pseudognaphalium californicum Lyman Benson 1928-7-11 458 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  CAS-BOT-BC357271  Pseudognaphalium microcephalum Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CAS-BOT-BC357447  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Northern Coast Ranges. Carlotta 60 Comment
  HSC67443  Pseudognaphalium stramineum J. P. Smith 1971-10-6 4936 Humboldt End of Murray Rd. in McKinleyville. Comment
  JEPS20470  Pseudognaphalium thermale Joseph P. Tracy 1939-8-16 16424 Humboldt Friday Ridge Grouse Mountain, Friday Ridge 1219 Comment
  UCD20403  Pseudognaphalium thermale Donald C. Hagar 1957-8-15 199 Humboldt 4.5 miles NE of Salyer, Cedar Creek Divide, 3500 ft. elev. 1066 Comment
  CAS-BOT-BC80120  Pseudotsuga menziesii Doris K. Kildale 1926-11-27 2840 Humboldt Alton Hill, old terrace above lower Van Duzen River Comment
  HSC98757  Pseudotsuga menziesii Cara Witte 2008-7-2 814 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  UC1222910  Psilocarphus oregonus Joseph P. Tracy 1946-5-30 17542 Humboldt 5 mi e Carlotta (by old Strong's District School House, Riverside Park nearby) 60 Comment
  RSA170261  Psilocarphus tenellus var. tenellus Joseph P. Tracy 1917-5-27 4783 Humboldt At Eureka. 0 Comment
  UC1222154  Pterospora andromedea Joseph P. Tracy 1950-8-8 19274 Humboldt 3 mi e Box Camp; Trinity Summit Comment
  JEPS66565  Pyrola crypta Joseph P. Tracy Jul 16-19 1930 9033 Humboldt South Fork Mountain; in fir forest near McKay Camp 1676 Comment
  UC562733  Pyrola picta Joseph P. Tracy 1932-7-14 10569 Humboldt Trinity Summit, near Corral Prairie 1584 Comment
  UC1197584  Pyrola picta Joseph P. Tracy 1949-7-19 18377 Humboldt Grouse Mountain, at Friday Camp Grouse Mountain; , Friday Camp 1219 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
  UC405495  Quercus chrysolepis P. E. Goddard 1907-6-16 122 b Humboldt Van Duzen Comment
  SDSU6968  Quercus garryana Harvey 1938-8-14 3104 Humboldt Between Arcata and Willow Creek U.S. 299. Comment
  OBI36669  Quercus garryana var. garryana David J. Keil 1983-7-2 17343 Humboldt 21 mi S of SR 299 along Titlow HIll rd, SW of Willow Crk Comment
  UCSB1172  Quercus garryana var. garryana Muller, Cornelius 1954-6-21 Humboldt 7 mi. ESE of Mad River, Summit of South Fork Mtn., on road to Forest Glen Comment
  CAS-BOT-BC105160  Quercus kelloggii H. E. McMinn 1922-8-5 330 Humboldt Mad River Comment
  HSC35715  Quercus kelloggii Thomas W. Nelson 1975-10-12 2234 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC68607  Quercus kelloggii Jacqueline Greenleaf 1980-8-12 329 Humboldt Near Becker Cabin. 1143 Comment
  HSC76363  Quercus vacciniifolia Denis Kearns 1981-6-24 18 Humboldt Near Cedar Camp 1219 Comment
  HSC8296  Quercus vacciniifolia C. B. Wolf 1927-8-28 1173 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  SEINET13716691  Ranunculus aquatilis Unknown 1913-6-13 4276 Humboldt In a shallow but permanent pond. Near summit of ridge between Van Duzen and Mad Rivers, on Dinsmore's Ranch. Comment
  UC1103005  Ranunculus aquatilis var. capillaceus Joseph P. Tracy 1936-6-17 14951 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
  UC668068  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1937-5-30 15311 Humboldt shallow pond near Bosworth's; Larrabee Creek 365 Comment
  JEPS55086  Ranunculus californicus Joseph P. Tracy 1916-4-30 4681 Humboldt Table Bluff Northern Coast Ranges, about Humboldt Bay 152 Comment
  HSC18136  Ranunculus californicus var. californicus J. R. Kahl 1962-5-11 30 Humboldt 2 mi. S of Trinidad along Hyw. 101 Comment
  UC668065  Ranunculus flammula Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka; vernal pool 45 Comment
  UC1196212  Ranunculus occidentalis J. P. Tracy 1901-5-5 1066 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC49168  Ranunculus occidentalis J. O. Sawyer 1977-4-23 2837 Humboldt Along Bald Hills Rd. E of Hoopa Comment
  UC1196227  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5458 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  CDA3495  Ranunculus parviflorus B. F. Kemp 1958-5-5 396 -58 Humboldt Loleta. 0 Comment
  HSC100902  Ranunculus repens Carl C. Marshall 167 Humboldt No data. Comment
  HSC18184  Ranunculus repens var. repens J. W. Johnson 1962-4-19 1258 Humboldt Creek margin at Miller Farm, Samoa Peninsula Comment
  UC198576  Rhamnus purshiana Joseph P. Tracy 1917-9-2 4847 Humboldt Grouse Mt. Northern Coast Ranges 1524 Comment
  UC902200  Rhamnus purshiana Joseph P. Tracy 1947-7-5 17818 Humboldt Box Camp Trinity Summit 1463 Comment
  HSC33060  Rhododendron macrophyllum Thomas W. Nelson 1974-5-7 1239 Humboldt Old Kneeland Rd. Comment
  UC1537162  Rhododendron macrophyllum Gordon H. True Jr. 1936-5-12 474 Humboldt near Kneeland Post Office 762 Comment
  UCR275107  Rhododendron macrophyllum Charity A. Hartshorn 2016-5-14 35 Humboldt Arcata Community Forest 244 Comment
  OBI33909  Rhododendron occidentale David J. Keil 1983-7-2 17313 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mountain Summit rd Comment
  UC183661  Rhododendron occidentale Joseph P. Tracy 1913-9-7 4389 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  RSA167293  Ribes binominatum Joseph P. Tracy 1950-7-1 18949 Humboldt Grouse Mountain; at Cold Springs . 1433 Comment
  CAS-BOT-BC108911  Ribes divaricatum var. pubiflorum John Thomas Howell 1954-4-25 29158 Humboldt Dune hills, Little River. Comment
  SEINET200855 Image available Ribes inerme J. P. Tracy 1939-5-6 16281 Humboldt Lack Pond Trinity River Valley opposoite mouth of Willow Creek 152 Comment
  CAS-BOT-BC173358  Ribes lobbii Harley P. Chandler 1901-6-1 1278 Humboldt Hupa Indian Reservation 1097 Comment
  CAS-BOT-BC173360  Ribes lobbii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  UC154123  Ribes menziesii J. P. Tracy 1909-2-14 2942 Humboldt immediate vicinity Eureka 0 Comment
  UC552231  Ribes menziesii Joseph P. Tracy 1933-5-20 12268 Humboldt near Petrolia; North Coast Ranges, Mattole Valley 15 Comment
  UCD102415  Ribes nevadense Hemphill, D. V. 1972-10-8 7033 Humboldt Near Bennett Peak and Hyampom. 1219 Comment
  HSC70319  Ribes roezlii M. A. Baker 1980-6-7 1870 Humboldt Near Ammon Creek 732 Comment
  UC183753  Ribes roezlii Joseph P. Tracy 1913-3-9 4012 Humboldt near Hydesville; Northern Coast Region, Van Duzen River 60 Comment
  UC1198938  Ribes roezlii var. cruentum Joseph P. Tracy 1942-4-4 17068 Humboldt Trinity Highway Berry Mt. 670 Comment
  UC1198943  Ribes roezlii var. cruentum Joseph P. Tracy 1927-3-27 7871 Humboldt East Fork of Willow Creek Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC902081  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18378 Humboldt Grouse Mountain 1280 Comment
  UC902104  Ribes roezlii var. cruentum Joseph P. Tracy 1942-4-4 17069 Humboldt e North Fork Mad River (near summit of Trinity Highway); Bald Mountain 640 Comment
  HSC31648  Ribes sanguineum Timothy B. Devine 1974-5-4 313 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC71583  Ribes sanguineum Gail Newton 1980-6-16 188 Humboldt Near Onion Mtn. 1280 Comment
  HSC79518  Ribes sanguineum var. glutinosum Kenneth Clark 1980-3-1 520 Humboldt Lower and middle terraces of Dead Man's Gulch 37 Comment
  UC921844  Ribes sanguineum var. glutinosum C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  RSA0018245  Ribes sanguineum var. glutinosum Thomas W. Nelson, James Nelson 1976-3-11 2266 Humboldt Beside the Eel River just north of the terminus of Singley Rd. Comment
  SEINET2153800  Ribes sanguineum var. sanguineum K. T. Harper 2002-1 2002 -4 Humboldt Redwood Park, near Orick. Comment
  HSC32267  Ribes viscosissimum J. O. Sawyer 1970-6-24 2276 Humboldt W of Mill Creek Lakes. 1677 Comment
  UC775205  Romanzoffia tracyi H. E. and S. T. Parks 1933-3-1 5269 Humboldt Spruce Cove 2 mi n of Trinidad; Spruce Cove Comment
Read comments
Jun 26 2012
  UC161485  Rorippa curvisiliqua J. P. Tracy 1906-7-1 2519 Humboldt vicinity Eureka; vicinity Eureka 0 Comment
  JEPS47243  Rosa Lincoln Constance 1934-5-26 654 Humboldt S. end of Dyerville Bridge South Fork Eel River, Bull Creek Region (s bank of river) Comment
  CAS-BOT-BC147433  Rosa californica Ira L. Wiggins 1940-7-10 9488 Humboldt Table Bluff Comment
  HSC19615  Rosa californica Lincoln Constance 1934-5-26 654 Humboldt South Fork Eel River, S end of Dyerville Bridge. Comment
  HSC100077  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-7-31 704 Humboldt Near Whiting Ridge. Close to town of Hyampom 1204 Comment
  HSC81926  Rosa gymnocarpa Thomas W. Nelson, Jane P. Nelson 1979-7-3 4953 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS47241  Rosa gymnocarpa W. L. Jepson 1932-7-30 16462 Humboldt Bull Creek 121 Comment
  POM160283  Rosa gymnocarpa Joseph P. Tracy 1926-5-2 7443 Humboldt Willow Creek Canyon 610 Comment
  RSA254749  Rosa gymnocarpa Thomas W. Nelson, J. Nelson 1973-5-28 957 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC467683  Rosa gymnocarpa Mrs. M. H. Manning 1901-6-7 61 Humboldt Hupa Comment
  UC1199037  Rosa gymnocarpa var. serpentina Joseph P. Tracy 1939-8-16 16404 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC146824  Rosa nutkana Harley P. Chandler 1901-5-1 1198 Humboldt Humboldt Bay 30 Comment
  HSC98782  Rosa nutkana Cara Witte 2008-6-27 770 Humboldt Approximately 1/2 mile north of White Oak Opening on National Forest 1. 1242 Comment
  SBBG3082  Rosa nutkana H. and M. Dearing 1939-5-26 3448 Humboldt Bishop Pine Lodge, N of Trinidad Comment
  CAS-BOT-BC146879  Rosa rubiginosa C. B. Wolf 1931-8-28 2363 Humboldt 1/8 mile from Rohnerville on road to Fortuna 30 Comment
  CAS-BOT-BC146883  Rosa rubiginosa Doris K. Kildale 1927-6-26 3602 Humboldt Big Lagoon Comment
  HSC56985  Rubus armeniacus Overton, Butler 1979-7-23 9530 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UCD17678  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-3 53 65 Humboldt California. Humboldt County: Redwood Highway, on road to Williams Grove along Eel River. 6.3 miles north of Miranda. Comment
  SDSU9245  Rubus discolor D. F. Howe 1961-7-31 3099 Humboldt 37.7 miles south of Eureka on #101. 30 Comment
  HSC58030  Rubus leucodermis G. L. Clifton 1979-7-31 11850 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC55617  Rubus parviflorus Overton, Butler 1979-7-23 9514 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC56189  Rubus parviflorus Gilbert Muth 1979-8-1 12126 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CHSC19742  Rubus spectabilis Gary J. Stebbins 1970-2-21 9 Humboldt Patricks Point State Park. Comment
  HSC19682  Rubus spectabilis D. B. Bader 1963-3-1 49 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101., E bank of S end Comment
  UC1199045  Rubus spectabilis Joseph P. Tracy 1920-2-29 5311 Humboldt at Eureka Northern Coast Ranges, at Eureka 0 Comment
  UC492167  Rubus spectabilis Joseph P. Tracy 1927-6-26 9333 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 6 Comment
  LA208254  Rubus ursinus H. Lewis; 1940-7-3 sn Humboldt Dry lagoon Beach, State Park Comment
  UC1334749  Rubus ursinus R. S. Woglum 1938-8-28 2041 Humboldt Trinidad Comment
  UCD17611  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 054 Humboldt California. Humboldt County: 100 yards west of junction of U.S. 101 on road through Humboldt State Redwood Park. Comment
  UCD17844  Rubus ursinus H. Olmo 8-10 May 1962 62- 31 Humboldt California. Humboldt County: 9 miles east of Carlotta. Comment
  UCD17847  Rubus ursinus H. Olmo 8-10 May 1962 62- 34 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  HSC55223  Rumex acetosella Walter Overton 1979-8-1 12397 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC95749  Rumex acetosella Steven Lee 2004-4-26 33 Humboldt Along Stuart Ave. W of of Alliance Comment
  SEINET200758  Rumex acetosella J. P. Tracy 1906-4-22 2414 Humboldt Immediate vicinity of Eureka. 0 Comment
  HSC102639  Rumex californicus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1623 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC39979  Rumex crassus Linda M. Barker 1976-8-2 1672 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  JEPS39876  Rumex crispus Lincoln Constance 1934-5-26 659 Humboldt near Founder's Tree (North Dyerville Flat grove); South Fork Eel River, Bull Creek Region, North Dyerville Fla 48 Comment
  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
  HSC99577  Rumex occidentalis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 242 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  CAS-BOT-BC434098  Rumex transitorius Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC35617  Rupertia physodes Thomas W. Nelson, B. Reinhardt 1975-7-30 2112 Humboldt The road out Whiting Ridge at Whiting Spring Comment
  CAS-BOT-BC103818  Salix exigua Harold E. Parks 1931-5-14 0964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC490572  Salix exigua Joseph P. Tracy 1932-9-3 10763 Humboldt Alton to Fortuna (opposite Fortuna); Northern Coast Region, Eel R. 15 Comment
  SBBG29091  Salix exigua var. hindsiana C. R. Ball, H. Parks, J. Tracy 1932-5-17 1335 Humboldt above Trinity River, 1 mi below bridge on Trinity Hwy 152 Comment
  RSA0038361  Salix hindsiana var. leucodendroides Harold E. Parks 1931-8-25 01061 Humboldt Blue Slide, Van Duzen River. 90 Comment
  CAS-BOT-BC106853  Salix hookeriana Jim Davis 1933-4-25 8 Humboldt Samoa Comment
  CAS-BOT-BC106861  Salix hookeriana W. J. Ferlatte 1967-6-13 1117 Humboldt near mouth of Mad River 3 Comment
  CAS-BOT-BC107714  Salix hookeriana Doris K. Kildale 1926-3-20 1557 Humboldt Big Lagoon, along coast Comment
  CAS-BOT-BC107715  Salix hookeriana Doris K. Kildale 1926-6-29 2238 Humboldt Mouth of Mad River Comment
  CAS-BOT-BC107730  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Eel River, Fortuna 10 Comment
  CAS-BOT-BC107748  Salix hookeriana Harold E. Parks 1931-5-12 956 Humboldt Samoa, Humboldt Bay Comment
  HSC19956  Salix hookeriana H. E. Parks, S. T. Parks 1932-4-5 1103 Humboldt Little River Lagoon Comment
  HSC90428  Salix hookeriana Jean Hanson 1980-3-8 12 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS12913  Salix hookeriana H. E. Parks and Joseph P. Tracy 1927-4-23 7922 Humboldt Big Lagoon; Northern Coast Ranges 6 Comment
  JEPS12960  Salix hookeriana Joseph P. Tracy 1931-9-19 9680 Humboldt near Alton; Northern Coast Ranges, Van Duzen River 30 Comment
  RSA239712  Salix hookeriana Larry E. DeBuhr 1973-4-23 995 Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  RSA475258  Salix hookeriana Lyman D. Benson 1928-7-5 370 Humboldt Garberville. Seward N Coast mtn range. S Fork Eel River. 244 Comment
  RSA5644  Salix hookeriana H. E. Parks 1931-5-28 1000 Humboldt Little River Lagoon. 0 Comment
  UC1196544  Salix hookeriana Joseph P. Tracy 1935-3-3 13715 Humboldt near mouth Mad R. 6 Comment
  UC146207  Salix hookeriana J. P. Tracy 1905-4 2392 /2168 Humboldt Immediate vicinity of Eureka 0 Comment
  UC470421  Salix hookeriana Joseph P. Tracy 1931-9-19 9678 Humboldt Van Duzen R. at Alton; Northern Coast Ranges, , Van Duzen R. 30 Comment
  UC490465  Salix hookeriana Joseph P. Tracy 1932-9-10 10767 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC492336  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1102 Humboldt Little River Lagoon Trinidad Comment
  UC495606  Salix hookeriana Joseph P. Tracy 1932-10-12 10873 Humboldt S. Fork Eel R. Miranda; Northern Coast Ranges, S. Fork Eel River 121 Comment
  UC506380  Salix hookeriana Joseph P. Tracy 1933-2-26 10912 Humboldt along S. Fork Eel River Miranda; Northern Coast Ranges, S. Fork Eel River 121 Comment
  UC512081  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1224 Humboldt 1 mi n Samoa (pine barrens near the coast) Comment
  UC512104  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1208 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  JEPS14760  Salix laevigata Joseph P. Tracy 1932-7-31 10290 Humboldt along Eel River at mouth of Larrabee Creek; Northern Coast Ranges 30 Comment
  UC1173614  Salix laevigata Joseph P. Tracy 1935-6-22 13960 Humboldt mouth of Larrabee Creek (on Eel River); Eel River 45 Comment
  UC481216  Salix lasiandra subsp. lasiandra Harold E. Parks 1931-5-20 996 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  UC492482  Salix lasiandra subsp. lasiandra Harold E. and Susan T. Parks 1932-5-12 1150 Humboldt swamp near bridge at mouth of Maple Creek (Big Lagoon); Big Lagoon Comment
  UC518901  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 2 Humboldt around Eureka Eureka Comment
  CAS-BOT-BC128199  Salix lasiandra var. lasiandra Doris K. Kildale 1927-3-27 3000 Humboldt Fernbridge - Eel River 10 Comment
  CAS-BOT-BC128200  Salix lasiandra var. lasiandra Henry M. Pollard 1945-9-1 s.n. Humboldt Camp Creek, Klamath River Canyon Comment
  LA208824  Salix lasiandra var. lasiandra Harold E. Parks; 1931-5-14 959 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  HSC96358  Salix lasiolepis Gordon Leppig 1999-4-15 1117 Humboldt Big Lagoon County Park, Big Lagoon Bog, W fen edge 3 Comment
  HSC98523  Salix lasiolepis Cara Witte 2007-7-3 409 Humboldt White Oak Opening. 1242 Comment
  JEPS13836  Salix lasiolepis Joseph P. Tracy 1926-8-12 7760 Humboldt at Berry's Redwood Creek; Northern Coast Ranges 274 Comment
  LA208774  Salix lasiolepis Harold E. Parks; 1931-5-14 963 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  LA208777  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11005 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  UC1196626  Salix lasiolepis Joseph P. Tracy 1935-7-9 14058 Humboldt Lack Pond Trinity River Valley (opposite mouth of Willow Creek) 152 Comment
  UC1196628  Salix lasiolepis Joseph P. Tracy 1937-4-11 15260 Humboldt Camp Grant Eel River (along river, 2-5 mi e of the South Fork) 45 Comment
  UC212998  Salix lasiolepis Joseph P. Tracy 1919-9-13 5197 Humboldt near Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469414  Salix lasiolepis Joseph P. Tracy 1927-5-13 7995 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469417 Image available Salix lasiolepis Joseph P. Tracy 1927-8-7 8305 Humboldt Redwood Creek, at Berry's 274 Comment
  UC481315  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150 Comment
  UC490468  Salix lasiolepis Joseph P. Tracy 1932-9-5 10768 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC490549  Salix lasiolepis Joseph P. Tracy 1932-4-24 9804 Humboldt between Miranda and Redway (S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  UC504029  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1321 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC506375  Salix lasiolepis Joseph P. Tracy 1933-4-9 10963 Humboldt Bridgeville 228 Comment
  UC506378  Salix lasiolepis Joseph P. Tracy 1932-10-2 10858 Humboldt near Bair's; Northern Coast Ranges, Redwood Creek 213 Comment
  UC506403  Salix lasiolepis Joseph P. Tracy 1932-6-4 10127 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC512029  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1329 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  UC519331  Salix lasiolepis Joseph P. Tracy 1933-10-8 13085 Humboldt Blue Slide, on Van Duzen River 91 Comment
  UC54934  Salix lasiolepis P. E. Goddard 1901-8-1 141 Humboldt Hupa Comment
  CAS-BOT-BC107410  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3148 Humboldt Redwood Creek at Berry's 289 Comment
  POM214862  Salix lasiolepis var. sandbergii Joseph P. Tracy 1933-4-2 10959 Humboldt Berry's Mountain. On Trinity Hwy. E of Redwood Creek. 762 Comment
  CAS-BOT-BC125622  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt East of Redwood Highway, 6 km. south of Alton 20 Comment
  UC1196574  Salix melanopsis Joseph P. Tracy 1931-5-16 9615 Humboldt vicinity of Garberville (S. Fork Eel R. at Redway); North Coast Ranges, S. Fork Eel R., Redway 121 Comment
  UC469455  Salix melanopsis Joseph P. Tracy 1931-9-7 9644 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  UC470453  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC519362  Salix melanopsis Joseph P. Tracy 1933-6-7 12515 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC906708  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1942-5-16 11554 Humboldt vicinity of Garberville Garberville 152 Comment
  CAS-BOT-BC129170  Salix scouleriana Joseph P. Tracy 1933-4-2 10957 Humboldt Willow Creek Canyon 609 Comment
  HSC20084  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Laribee Ridge, Van Duzen River Comment
  HSC20087  Salix scouleriana D. Sutherland, R. Spellenberg, A. Sylvester 1966-3-27 1359 Humboldt 1 mi. E of N Fork of the Mad River along Hwy. 299 Comment
  JEPS12911  Salix scouleriana Joseph P. Tracy 1927-3-27 7846 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1196693  Salix scouleriana Joseph P. Tracy 1924-1-20 6597 Humboldt near bay shore Samoa (around Humboldt Bay); Northern Coast Region, Humboldt Bay 3 Comment
  UC212995  Salix scouleriana Joseph P. Tracy 1919-9-23 5283 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC490529  Salix scouleriana Joseph P. Tracy 1932-7-13 10507 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UC54927  Salix scouleriana J. P. Tracy 1900-12-30 977 Humboldt immediate vicinity Eureka 0 Comment
  BLMAR266  Salix sitchensis Jennifer Anthony-Wheeler 1999-6-16 266 Humboldt Headwaters Forest Reserve, growing along-side road N of borrow pit toward scar rd. 432 Comment
  CAS-BOT-BC128996  Salix sitchensis Joseph P. Tracy 1931-9-19 9683 Humboldt Alton, Van Duzen River 30 Comment
  HSC20101  Salix sitchensis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-13 1256 Humboldt Mad River at Engelhart gravel pit, 2 mi. E of Redwood Hwy. and above Blue Lake Rd. Comment
  UC146204  Salix sitchensis Joseph P. Tracy 1904-3-6 2001 Humboldt immediate vicinity of Eureka 0 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
  UC481382  Salix sitchensis Harold E. Parks 1931-3-26 906 Humboldt on Van Duzen R. Alton; Van Duzen R., Alton 15 Comment
  UC490492  Salix sitchensis Joseph P. Tracy 1932-8-27 10749 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UCD111910  Salix sitchensis Harold E. Parks 1931-3-25 0903 Humboldt Orick, Van Duzen River. 6 Comment
  UC1196609  Salix tracyi Joseph P. Tracy 1934-9-30 13680 Humboldt Van Duzen River at Bridgeville 198 Comment
  RSA53827  Salsola tragus H. M. Pollard s.n. Humboldt Near Orleans. Comment
  RSA1808  Sambucus callicarpa C. B. Wolf 1930-10-26 1765 Humboldt 1 mile south of Trinidad 91 Comment
  UC177248  Sambucus mexicana Joseph P. Tracy 1912-7-26 3836 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC76248  Sambucus nigra subsp. caerulea Denis Kearns 1981-7-23 400 Humboldt Near Whiteys Peak. 1524 Comment
  SBBG25586  Sambucus nigra subsp. caerulea E. R. Blakley 1966-8-17 6796 Humboldt Little Crk, Prairie Crk St Park, ca. 10 mi N of Orick 60 Comment
  UCR3517  Sambucus racemosa David Whistler, H. M. Whistler 1964-7-31 640801- 01 Humboldt North Coast, 0.2 mi. south of Prairie Creek Redwoods State Park, along US Hwy 101, and Prairie Creek [Camp Rd.?] 10 Comment
  HSC69779  Sambucus racemosa var. racemosa R. Kalal 1979-4-21 82 Humboldt 0.4 mi. E of Table Bluffs County Park. 15 Comment
  CHSC68485  Sanicula arctopoides Vernon H. Oswald 1997-4-10 8330 Humboldt Elk Head, north end of Trinidad State Beach. Along the edge of the bluffs overlooking the ocean. 30 Comment
  JEPS224  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  SEINET3157023  Sanicula crassicaulis D. E. Anderson 1965-5-1 3563 Humboldt along Highway 96, 1.9 miles north of Willow Creek Comment
  UC183568  Sanicula crassicaulis Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3599 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  UC642273  Sanicula graveolens Joseph P. Tracy 1932-7-12 10465 Humboldt Trinity Summit, Head of Brett Hole Brett Hole; Trinity Summit, Brett Hole 1828 Comment
  UC1197086  Sanicula laciniata Joseph P. Tracy 1921-4-24 5454 Humboldt facing South Fork Eel River (Northern Coast Ranges, Phillipsville); Northern Coast Ranges, Phillipsville 121 Comment
  UC1197077  Sanicula tuberosa Joseph P. Tracy 1913-5-4 4064 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1198880  Saxifraga californica Joseph P. Tracy 1927-4-10 7889 Humboldt Redwood Creek at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC902010  Saxifraga marshallii Joseph P. Tracy 1948-5-15 17978 Humboldt Willow Creek Canyon, along Trinity Highway at the East Fork Willow Creek Canyon 457 Comment
  UC1198889  Saxifraga mertensiana Joseph P. Tracy 1932-4-24 9813 Humboldt between Miranda and Redway (South Fork Eel River); North Coast Ranges, South Fork Eel River 91 Comment
  UC154143  Saxifraga mertensiana Mrs. M. H. Manning 1902-3 Humboldt near Hupa Comment
  HSC74198  Saxifragopsis fragarioides M. A. Baker 1980-7-23 3145 Humboldt Near Orleans Mtn. 1859 Comment
  SEINET3991728  Schoenolirion Unknown 1926-6-20 Humboldt Horse Mtn. Comment
  CAS-BOT-BC111703  Schoenoplectus pungens var. badius Carl B. Wolf 1927-8-22 795 Humboldt Big Lagoon Comment
  UC198641  Scirpus cernuus Joseph P. Tracy 1917-6-10 4821 Humboldt at Eureka; Northern Coast Region, at Eureka 0 Comment
  UC1541345  Scirpus maritimus Harold E. Parks September 1934 5201 Humboldt Big Lagoon Comment
  UC1103492  Scoliopus bigelovii Joseph P. Tracy 1936-4-26 14808 Humboldt Kneeland Prairie 762 Comment
  HSC100562  Scoliopus bigelovii Carl C. Marshall Feb 1886 149 Humboldt Woods near coast. Comment
  JEPS120525  Scrophularia californica B. Castro and L. P. Janeway 2004-9-11 1476 Humboldt North Coast. Near blocked S end of Little River Road 0.25 mi N of Central Avenue; near S end of Clam Beach. Comment
  CDA41981  Scrophularia californica T. C. Fuller 1961-9-28 7058 Humboldt 1.5 miles south of Samoa. 0 Comment
  RSA89569  Scrophularia californica Philip A. Munz 1954-7-23 19866 Humboldt 1 mile west of Bridgeville Comment
  SEINET10548800  Scrophularia californica Charlene A. Bennett 1976-8-6 Bennett 480 Humboldt Collected by hwy 101, n side of orick, rocky area, densely forested by river. Comment
  SEINET5223991  Scrophularia californica Unknown 2002-8-22 88 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  UC25878  Scutellaria tuberosa C. C. Marshall 1888-1 Humboldt Comment
  HSC57960  Sedum divergens G. L. Clifton, Griswold 1979-7-31 11660 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC79271  Sedum laxum subsp. flavidum D. K. Imper 1984-5-17 Humboldt Hogback Ridge W of FS6N06, 1.0 mi. N of junction with 5N01 1341 Comment
  HSC59360  Sedum laxum subsp. heckneri M. A. Baker 1979-6-28 946 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  HSC65971  Sedum laxum subsp. heckneri Gail Newton 1980-7-24 1783 Humboldt Near Somes Mtn. 1615 Comment
  HSC57959  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-31 11659 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC59359  Sedum obtusatum subsp. retusum M. A. Baker 1979-6-28 945 Humboldt 1500 Comment
  HSC32326  Sedum radiatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5667 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC70962  Sedum spathulifolium var. spathulifolium Thomas W. Nelson 1977-6-15 3456 Humboldt Along Titlow Hill Rd., 3/4 mi. S of junction with Hwy. 299 Comment
  HSC43159  Selaginella wallacei R. Sutherland 1976-8-24 2 .24876 Humboldt 543 Comment
  UCR123957  Senecio bolanderi George K. Helmkamp, E. A. Helmkamp 2001-7-8 6974 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
  HSC49795  Senecio elegans R. York 1979-5-18 300 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  HSC101966  Senecio integerrimus var. major M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 861 Humboldt Patterson Meadows 1555 Comment
  HSC6156  Senecio integerrimus var. major H. E. Parks, J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley 762 Comment
  UC581707  Senecio integerrimus var. major Joseph P. Tracy 1932-7-12 10430 Humboldt Corral Prairie Trinity Summit 1584 Comment
  SEINET11803189  Senecio integerrimus var. major J. P. Tracy 1950-1 18638 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC581704  Senecio integerrimus var. major Joseph P. Tracy 1928-5-6 8429 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1223152  Senecio sylvaticus Joseph P. Tracy 1948-8-8 18087 Humboldt Iaqua School House Comment
  UC450005  Senecio sylvaticus Joseph P. Tracy 1918-9-1 5095 Humboldt Nowella Camp, on old Kneeland Prairie Road 457 Comment
  UCSC000817  Senecio sylvaticus H. L. Person 1932-7-18 s.n. Humboldt Eureka, Freshwater, Forest: T4NRIE Comment
  HSC95587  Senecio sylvaticus Andrea Pickart 2002-6-27 115 Humboldt Mad River Slough and Dunes 6 Comment
  HSC58178  Senecio triangularis G. L. Clifton, Griswold 1979-8-2 12262 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC95584  Senecio vulgaris Andrea Pickart 2002-3-14 4 Humboldt Samoa Dunes, BLM Endangered Plant Protection Area 0 Comment
  CAS-BOT-BC85837  Sequoia sempervirens Doris K. Kildale 1926-8-23 2557 Humboldt North Fork of Eel River Comment
  NY64456  Sequoia sempervirens W. L. C. Muenscher 1939-4-15 15056 Humboldt Blair Grove, near Dyersville Comment
  SDSU2024  Sequoia sempervirens L. N. Harvey 1930-9-27 562 Humboldt Eel River Comment
  SEINET3876306 Image available Sequoia sempervirens K. S. Erdman 1970-6-19 4840 Humboldt Redwood Creek, about 2-3 miles above the road end. Near McArthur and Elam Creeks, Redwood National Park.; 0 Comment
  SEINET3876375 Image available Sequoia sempervirens Richard R. Halse 1989-5-13 3842 Humboldt Along U.S. Hwy 101, 2 miles south of Weott.; 0 108 Comment
  UC1196919  Sequoia sempervirens Joseph P. Tracy 1920-5-18 5319 Humboldt Bull Creek Flat Northern Coast Ranges, Eel River (along Eel River from North Fork to Scotia) 60 Comment
  UC1222350  Sequoia sempervirens Joseph P. Tracy 1950-12-18 19387 Humboldt Parks's Place Trinidad, Parks' Place 3 Comment
  UC333628  Sequoia sempervirens unknown Sept. 1901 Humboldt Eureka Comment
  HSC19856  Sherardia arvensis F. B. Plett 1963-4-27 37 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  CAS-BOT-BC205566  Sidalcea malachroides Joseph Burtt Davy; Walter C. Blasdale 1899-6-13 5482 Humboldt Camp Grant Comment
  CAS-BOT-BC205574  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  CAS-BOT-BC205575  Sidalcea malachroides Alice Eastwood; John Thomas Howell 1937-6-23 4855 Humboldt 8 miles from Korbel on road to Maple Creek Comment
  UC1197965  Sidalcea malachroides Joseph P. Tracy 1933-7-21 12819 Humboldt between Van Duzen Yager Creek (Redwood House); between Van Duzen and Yager Creek, Redwood House 762 Comment
  HSC35614  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  RSA87998  Sidalcea malviflora C. L. Hitchcock 1952-6-28 19639 Humboldt Dow s Prairie, 4 miles N. of Arcata, Comment
  SEINET11982179  Sidalcea malviflora J. P. Tracy 1950-1 18738 Humboldt 7 mi S of Ferndale, Bear River Ridge 610 Comment
  UC162918  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1911-7-6 3349 Humboldt mountain slopes along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges, btw Three Creeks and Willow Creek 762 Comment
  UC906705  Sidalcea malviflora subsp. asprella Harold E. Parks and Joseph P. Tracy 1942-7-1 11577 Humboldt Dinmore's 762 Comment
  POM160275  Sidalcea malviflora subsp. nana Joseph P. Tracy 1926-6-20 s.n. Humboldt Horse Mountain. 1524 Comment
  RSA144570  Sidalcea malviflora subsp. patula Peter H. Raven, R. Snow 1958-7-20 s.n. Humboldt 2 miles south of jct. of Friday Ridge Road on Titlow Hill Road, near Grouse Mountain Comment
  RSA168955  Sidalcea malviflora subsp. patula Joseph P. Tracy 1950-6-8 18734 Humboldt Bear River Ridge, 7 miles south of Ferndale. 610 Comment
  UC205469  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-7-25 5344 Humboldt Dows Prairie Northern Coast Region, around Humboldt Bay (around Humboldt Bay) 60 Comment
  HSC102531  Sidalcea oregana subsp. oregana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1517 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC35274  Silene bolanderi A. M. Montalvo, J. D. Ackerman 1975-6-22 493 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36. Comment
  UC162882  Silene bridgesii Harley P. Chandler June, 1901 1505 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  CAS-BOT-BC384547  Silene bridgesii Henry M. Pollard 1948-7-17 s.n. Humboldt Woods near Orleans Comment
  UC852804  Silene californica Elizabeth Parsons Hawver Jun 1905-June 1915 Humboldt Carlotta Comment
  RSA47144  Silene californica Doris K. Kildale 1925-7-2 900 Humboldt Table Bluff - bluff on coast. Comment
  HSC74195  Silene campanulata subsp. glandulosa M. A. Baker 1980-7-23 3137 Humboldt Near Orleans Mtn. 1859 Comment
  POM160266  Silene campanulata subsp. glandulosa Joseph P. Tracy 1926-6-20 7623 Humboldt Horse Mountain. 1524 Comment
  UC13584  Silene campanulata subsp. glandulosa W. C. Blasdale 1896-6-8 Humboldt Mad River Comment
  HSC37960  Silene gallica Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  HSC39236  Silene gallica D. E. Anderson, J. P. Smith 1971-6-28 - 1267 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC78968  Silene gallica L. P. Janeway 1984-5-16 789 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd. just N of the boat ramp 3 Comment
  UC1137896  Silene hookeri H. S. Yates 1936-6-17 5719 Humboldt Burr Valley South Fork Peak Quad. Comment
Read comments
Aug 11 2014
  CAS-BOT-BC389071  Silene laciniata subsp. californica L. R. Abrams 1918-6-16 7187 Humboldt Willow Creek Comment
  HSC24398  Silene laciniata subsp. californica J. O. Sawyer 1970-6-24 2228 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  RSA595780  Silene lemmonii R. S. Woglum 1931-7-15 24 B Humboldt Outer Coast Ranges, Sequoia Park. Comment
  RSA246759  Sisyrinchium bellum Robert F. Thorne, Percy C. Everett 1965-8-9 35302 Humboldt Big Lagoon. 3 Comment
  UC249552  Sisyrinchium bellum Joseph P. Tracy 1921-4-24 5461 Humboldt Phillipsville facing South Fork of Eel River; Northern Coast Ranges 121 Comment
  HSC13907  Sisyrinchium bellum T. M. Mingo May 1965 Humboldt E of College Cove, N of Trinidad Comment
  HSC26650  Sisyrinchium bellum Thomas W. Nelson 1971-5-9 433 Humboldt Beside Hwy. 36 opposite Goat Rock, 1 mi. W of Bridgeville Comment
  HSC48534  Sisyrinchium californicum Mark Flippo 1978-4-18 25 Humboldt McKinleyville, Bella Vista Hill Comment
  UC667000 Image available Sisyrinchium hitchcockii Joseph P. Tracy 1938-6-17 15947 Humboldt 3 mi e of Cape Mendocino; Cape Ridge 304 Comment
  UC1197798  Smilacina racemosa Joseph P. Tracy 1914-5-17 4474 Humboldt Cumens claim Northern Coast Region, region about Humboldt Bay (on ridge between Ryans Slough and Freshwater Creek) 304 Comment
  HSC59024  Solanum parishii M. A. Baker 1979-6-7 784 Humboldt N bank of road to Snow Mtn. 610 Comment
  RSA167400  Solidago canadensis subsp. elongata Joseph P. Tracy 1948-9-12 18210 Humboldt Trinity Summit, at head of meadow at Box Camp. 1463 Comment
  CAS-BOT-BC365444  Solidago elongata L. R. Abrams 1927-9-1 12064 Humboldt Stone Lagoon Comment
  JEPS32394  Solidago elongata Lincoln Constance 1934-6-25 925 Humboldt on Redwood Highway 4 mi n of Dyerville and n boundary Humboldt Redwood Park (Englewood, Bull Creek Region, South Fork Eel River); South Fork Eel River, Bull Creek Region, Englewood Comment
  UC535089  Solidago elongata H. E. Parks 1931-7 1056 Humboldt Trinidad 76 Comment
  SJSU8442  Solidago spathulata H. T. Harvey 1977-7-5 596 Humboldt Elk R Spit, Humboldt Bay Comment
  BLMAR757  Solidago velutina subsp. californica Jennifer Wheeler 2013-9-4 757 Humboldt King range, strawberry rock grazing allotment 252 Comment
  RSA430519  Sonchus oleraceus Lyman Benson 1929-7-12 1796 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  HSC21345  Sparganium angustifolium Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC21348  Sparganium emersum D. E. Anderson 1961-9-9 1788 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  UC1103519  Sparganium emersum var. emersum Joseph P. Tracy 1934-10-21 13692 Humboldt in front of s end Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  CHSC85475  Spartium junceum Spadoni 2002-6-26 P 070828 Humboldt Along country road in the vicinity of Garberville. Comment
  HSC59047  Spergula arvensis Thomas Wood 1979-4-4 93 Humboldt Near Arcata, 3/4 mi. W on Lanphere Rd. after triple intersection with Upper Bay Rd. and Mad River Rd. 0 Comment
  UCD99184  Spergula arvensis Collector unknown 1925-6-7 1613 Humboldt Willow Camp. Comment
  HSC4264  Spergularia macrotheca D. K. Smith 1968-11-9 54 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  HSC99821  Spergularia rubra J. O. Sawyer 1980-7-18 3590 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS45003  Spiraea densiflora Joseph P. Tracy 1926-6-20 7630 Humboldt Horse Mountain; Northern Coast Ranges 1463 Comment
  UC14209  Spiraea douglasii Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  UC275298  Spiraea douglasii R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  CHSC93382  Stachys B. Castro; L. Janeway 1996-7-29 688 Humboldt Ca 4 air mi NE of Orick, along Lost Man Creek Trail. 36 Comment
  UC1124935  Stachys ajugoides var. rigida H. L. Person 1932-7-16 T.H. 30 Humboldt highway n Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC577322  Stachys ajugoides var. rigida Joseph P. Tracy 1933-6-24 12611 Humboldt Big Lagoon 3 Comment
  UC635137  Stachys ajugoides var. rigida H. L. Mason 1932-7-21 7103 Humboldt Big Lagoon Comment
  UCLA70844  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15931 Humboldt Fortuna 18 Comment
  UCLA70874  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-9 15874 Humboldt 2 mi s Blocksburg 304 Comment
  HSC12560  Stachys arvensis D. La Conte 1970-11-22 11 Humboldt Comment
  POM283271  Stachys bullata Lyman Benson 1928-7-10 s.n. Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  POM301655  Stachys chamissonis Carl B. Wolf 1941-7-28 11087 Humboldt between the redwood highway and Crannell. 8 Comment
  RSA22551  Stachys emersonii H. E. Parks, S. T. Parks 1937-07 24025 Humboldt Spruce Cove, Trinidad. Comment
  UCR80238  Stachys mexicana H. E. Parks, S. T. Parks 1937-1 24025 Humboldt North Coast, Spruce Cove, Trinidad 61 Comment
  HSC76525  Stachys rigida Teresa Prendusi 1981-7-24 488 Humboldt Near Whiteys Peak 1585 Comment
  SD93012  Stachys rigida var. quercetorum W. Bertsch 1953-7-30 233 Humboldt Highway 101, 5 miles north of Arcata. Comment
  SEINET4110862  Stellaria borealis var. sitchana D. W. Taylor 2004-1 19125 Humboldt Pond in the divide between Frost Creek and Martin Creek, about 1 air mile east of the Alderpoint Road. 518 Comment
  BLMAR188  Stellaria nitens Donald Hazlett 1994-6-7 188 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC1197796  Stenanthium occidentale Joseph P. Tracy 1947-8-24 17901 Humboldt Box Camp; Trinity Summit 1463 Comment
  HSC76545  Stipa lemmonii Denis Kearns 1981-7-22 316 Humboldt Near Whiteys Peak. 1487 Comment
  HSC98185  Stipa lemmonii J. P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  HSC97968  Stipa lemmonii var. lemmonii Cara Witte, Michael Scott 2007-6-22 348 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  HSC97389  Stipa lepida J. P. Tracy 1933-5-20 12247 Humboldt Grassy hillside near Petrolia, Mattole Valley 152 Comment
  HSC58416  Stipa occidentalis var. californica Griswold, Butler 1979-7-12 7217 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC74747  Streptanthus tortuosus Gail Newton 1981-7-24 2292 Humboldt Near Chaparral Mtn. 1512 Comment
  UC673071  Streptanthus tortuosus Joseph P. Tracy 1940-7-7 16667 Humboldt rocky banks Grouse Mt. 1463 Comment
  HSC99368  Streptopus amplexifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 17 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA520556  Streptopus amplexifolius Michael A. Hanson 1990-5-21 72 Humboldt On Little Creek Trail in Redwood National Park; east side of Highway 101 approximately 7 miles (11.3 km) south of Klamath Comment
  HSC102587  Streptopus amplexifolius var. americanus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1574 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC58360  Swertia radiata Overton, Butler 1979-8-2 12712 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UCR198251  Symphoricarpos albus Dean Kelch 2007-7-25 07- 506 Humboldt North Coast Range, along Hwy 29 between Lord-Ellis Summit and Hwy 96 558 Comment
  HSC65140  Symphoricarpos albus var. laevigatus J. P. Smith 1971-10-9 5039 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  RSA245237  Symphoricarpos albus var. laevigatus Tim Baroni 1971-7-6 112 Humboldt Appox. 2 miles S of Ferndale on Mattole road. Comment
  CAS-BOT-BC269696  Symphoricarpos mollis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC41258  Symphoricarpos mollis Brad Klipfel 1974-7-23 450 Humboldt Horse Mountain, N from the towers area. Comment
  HSC57206  Symphyotrichum spathulatum var. spathulatum Griswold, Butler 1979-7-12 7163 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC21152  Synthyris reniformis N. J. Cole, D. E. Anderson 1965-4-13 12 Humboldt 2.5 mi. SE of Maple Creek Rd. junction with Bald Mtn. Rd., SE of Korbel Comment
  HSC89432  Synthyris reniformis P. A. Daly 1984-5-8 11 Humboldt Trinidad Head 61 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
  UCD86204  Taeniatherum caput-medusae Eugene C. Whitney 1960-8-4 Humboldt Mary White prop., Fruit Ranch, E/Rainbow Peak, Upper Bear River. Comment
  CAS-BOT-BC376725  Tanacetum bipinnatum Doris K. Kildale 1926-6-29 2245 Humboldt Mouth of Mad River Comment
  HSC6248  Tanacetum bipinnatum J. W. Johnson 1962-6-4 1405 Humboldt W end of Hollow 10, W.M Lanphere Farm, Samoa Peninsula Comment
  HSC90250  Tanacetum bipinnatum Jean Hanson 1980-5-24 58 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  SJSU5383  Tanacetum bipinnatum T. A. Fulton 1969-5-20 Humboldt strand of Stone Lagoon c. 3 mi SW of Orick Comment
  UC249808  Tanacetum camphoratum Joseph P. Tracy 1923-6-17 6270 Humboldt Northern Coast Region, on Big Lagoon Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  POM289716  Tanacetum douglasii Lyman Benson 1928-7-10 452 Humboldt Clam Beach, Trinidad. 15 Comment
  UC1223071  Tanacetum parthenium Joseph P. Tracy 1946-9-10 17659 Humboldt Tracy's garden, at Eureka Northern Coast Ranges, Eureka 0 Comment
  HSC34631  Taraxacum officinale A. M. Montalvo 1975-4-9 202 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  UC1196935  Taraxia ovata Joseph P. Tracy 1946-5-30 17545 Humboldt flat by old Strong's District School House (5 mi e of Carlotta) 60 Comment
  UC314623  Taraxia ovata Joseph P. Tracy 1924-3-16 6627 Humboldt Garberville Northern Coast Ranges 121 Comment
  HSC54591  Taxus brevifolia Overton, Butler 1979-7-24 9659 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC447406  Tellima grandiflora Kenneth Clark 1980-3-23 536 Humboldt Point Delgada; Alluvial terrace of south fork Dead Man's Gulch; Vascular Plants of Shelter Cove Comment
  CAS-BOT-BC392287  Thalictrum fendleri Doris K. Kildale 1926-4-4 1749 Humboldt Trinidad Comment
  SEINET3866799  Thuja plicata Lewis S. Rose 1966-6-26 66039 Humboldt Us Highway 299. 10 mi east of Blue Lake.; 0 610 Comment
  CAS-BOT-BC81304  Thuja plicata Belle Richardson Jackson 1939-9-15 s.n. Humboldt Trinity River, near Dutch Comment
  HSC6993  Thysanocarpus curvipes J. E. Lankila 1962-5-14 17 Humboldt W bank of river, 0.5 mi. S of Fernbridge Comment
  UC1198816  Thysanocarpus curvipes Joseph P. Tracy 1911-7-4 3281 Humboldt along Willow Creek (tributary of Trinity River, near its mouth); Northern Coast Ranges, , trib of Trinity River 152 Comment
  HSC55614  Tiarella trifoliata var. unifoliata Overton, Butler 1979-7-23 9503 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  JEPS49704  Tiarella trifoliata var. unifoliata W. L. Jepson 1932-7-29 16441 Humboldt Weott Comment
  SEINET6168278  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt Immediate vicinity of Eureka Comment
  UC30084  Tofieldia occidentalis subsp. occidentalis Mrs. M. H. Manning Aug 1899 Humboldt Comment
  UC11943  Tolmiea diplomenziesii J. Burtt Davy Jun 1899 5628 Humboldt Hoopa Mt.; North Coast Ranges Comment
  CAS-BOT-BC447608  Tolmiea menziesii Volney Rattan 1903-6-9 s.n. Humboldt Long Bar, Klamath Comment
  UC1541368  Tonella tenella H. E. Parks and J. P. Tracy 1930-5-25 856 Humboldt Larabee Valley 762 Comment
  UC27662  Tonella tenella Harley P. Chandler Jun 1901 1275 Humboldt Hupa Mts. Hupa Indian Reservation (between Bairs and summit) Comment
  UC27664  Tonella tenella C. C. Marshall 1888-1 Humboldt Comment
  UC32566  Tonella tenella W. C. Blasdale 1896-6-8 Humboldt Graham's Comment
  UC1197063  Torilis arvensis subsp. arvensis Mrs. Archie Cathey July 1933 Humboldt near Miranda (at Cathey Ranch) 304 Comment
  HSC93749  Torreyochloa pallida var. pauciflora Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-25 792 Humboldt Arcata, Alder Grove Pond 18 Comment
  HSC3140  Toxicodendron diversilobum R. E. Thill 1965-5-1 26 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC63227  Toxicodendron diversilobum M. A. Baker 1978-6-6 465 Humboldt Weitchpec Comment
  UC549767 Image available Tracyina rostrata Joseph P. Tracy 1916-6-20 4735 Humboldt Alder Point, from Alder Point to Dyke Ranch Northern Coast Ranges, Alder Point; Alder Pt., Humboldt Co. 304 Comment
  CAS-BOT-BC399989  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-25 15564 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  SEINET2157330  Trautvetteria caroliniensis var. occidentalis J. P. Tracy 1937-1 15387 Humboldt Happy Camp Mountain, Trinity Summit Range, NE of Hawkins Bar. 1280 Comment
  CAS-BOT-BC517422  Triantha occidentalis subsp. occidentalis L. B. Kildale 1930-8-10 10528 Humboldt Snow Camp, head of Redwood Creek Comment
  UC1137622  Trichostema laxum R. Stahelin 1933-8-20 Humboldt Korbel, above Camp 8 Comment
  RSA699238  Trichostema laxum J. R. Bruff 1937-8-17 930 Humboldt Richardson Grove, bed of Eel River. Comment
  HSC102186  Trichostema oblongum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1100 Humboldt Andy's Camp 1564 Comment
  RSA167428  Trichostema oblongum Joseph P. Tracy 1950-8-8 19284 Humboldt Croghan Hole, on Trinity Summit 1677 Comment
  UC154002  Trichostema oblongum Joseph P. Tracy 1908-6 2824 Humboldt Buck Mountain, NW slope Northern Coast Ranges 1219 Comment
  HSC97554  Trientalis borealis subsp. latifolia Cara Witte 2007-6-1 168 Humboldt Horse Mountain Botanical Area. Along Forest Service Road 6N38. 1382 Comment
  POM118789  Trientalis latifolia Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville. Comment
  UC154025  Trientalis latifolia J. P. Tracy 1900-5-22 798 Humboldt immediate vicinity of Eureka 0 Comment
  BLMAR277  Trientalis latifolia Jennifer Anthony-Wheeler 1999-7-30 277 Humboldt Headwaters Forest Reserve, growing in shaded places esp woodlands 548 Comment
  HSC89588  Trientalis latifolia M. Roantree 1985-5-24 56 Humboldt NW side of Trinidad Head, along trail Comment
  RSA460855  Trientalis latifolia W. Hutchinson 1927-05 s.n. Humboldt [Unspecified] Comment
  BLMAR617  Trifolium albopurpureum Jennifer Wheeler 2011-5-20 617 Humboldt King range, Below Strawberry Rock in Mattole Dunes 7 Comment
  UC1602051  Trifolium albopurpureum var. dichotomum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 b Humboldt Hoopa Mt. Comment
  RSA170210  Trifolium arvense Joseph P. Tracy 1941-7-26 16970 Humboldt Eureka (G Street near 9th) Comment
  SEINET12157023  Trifolium arvense J. P. Tracy 1941-1 16970 Humboldt Eureka, G Street near 9th Comment
  UC1223508  Trifolium barbigerum Joseph P. Tracy 1935-5-25 13881 Humboldt North Dobbin Creek and near same along the Alder Point Rd Dobbyn Creek 152 Comment
  UC1197200  Trifolium ciliolatum Joseph P. Tracy 1914-5-14 4455 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC162857  Trifolium cyathiferum Joseph P. Tracy 1908-6 2827 Humboldt nw slope Buck Mtn; Northern Coast Ranges 1219 Comment
  HSC73960  Trifolium dichotomum Gail Newton 1980-6-7 128 Humboldt Near Brush Mtn. 1128 Comment
  POM214884  Trifolium dichotomum Joseph P. Tracy 1932-5-1 9894 Humboldt Vicinity of Garberville Comment
  HSC77921  Trifolium dubium L. P. Janeway, Paul Wilson 1984-5-7 769 Humboldt On the N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  RSA21098  Trifolium eriocephalum subsp. eriocephalum Carl B. Wolf 1937-6-14 8826 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  HSC99715  Trifolium eriocephalum subsp. eriocephalum Glenn W. K. Shelton 2010-7-19 25 Humboldt Big Hill Rd., switchback in road 1256 Comment
  UC1130015  Trifolium eriocephalum var. eriocephalum H. S. Yates 1936-6-17 5720 Humboldt Burr Valley South Fork Pk. quad 1036 Comment
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Feb 21 2013
  UC33571  Trifolium eriocephalum var. eriocephalum Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  RSA244958  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt On the flood plain of the Mad River at the north end of the Carson railroad bridge. Comment
  HSC15123  Trifolium fucatum R. A. Rasp 1964-5-17 38 Humboldt 1 mi. S of Arcata beside Hwy. 101 Comment
  HSC31744  Trifolium fucatum Donald Spalinger 1974-5-12 60 Humboldt Bald Hills Rd., 1.5 mi. E from junction with Hwy. 101 229 Comment
  UC1197190  Trifolium gracilentum Joseph P. Tracy 1911-5-30 3194 Humboldt Bucksport Northern Coast Region, Humboldt Bay Comment
  RSA168859  Trifolium hybridum Joseph P. Tracy 1938-6-15 15926 Humboldt Salmon Creek Flats, south end Humboldt Bay. Comment
  UC1197209  Trifolium longipes subsp. hansenii Joseph P. Tracy 1930-7-6 8837 Humboldt Northern Coast Ranges. Kneeland Prairie same place as #8721. 762 Comment
  HSC57305  Trifolium longipes subsp. oreganum Griswold, Butler 1979-7-10 6210 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  UC1223360  Trifolium macraei Joseph P. Tracy 1936-5-30 14841 Humboldt Samoa Sand Dunes Comment
  HSC45138  Trifolium microcephalum R. Sutherland 1978-5-25 1 .25578 Humboldt Near the Mattole River 288 Comment
  HSC79459  Trifolium microcephalum Kenneth Clark 1980-4-18 591 Humboldt Shelter Cover, along access trail to Dead Man's Gulch 107 Comment
  HSC38068  Trifolium microdon Thomas W. Nelson, Jane P. Nelson 1976-5-30 2639 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC95073  Trifolium microdon Andrea Pickart 2002-7-3 154 Humboldt Lanphere Dunes: Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC1197505  Trifolium microdon Joseph P. Tracy 1932-5-16 10109 Humboldt near Samoa; Northern Coast Ranges, Humboldt Bay 6 Comment
  JEPS4430  Trifolium obtusiflorum Harley P. Chandler June, 1901 1322 Humboldt Hupa Indian Reservation North Coast Ranges Comment
  HSC70320  Trifolium variegatum M. A. Baker 1980-6-7 1871 Humboldt Near Ammon Creek 732 Comment
  UC1223542  Trifolium variegatum Joseph P. Tracy 1933-7-9 12649 Humboldt Brannan Mtn 1066 Comment
  UC1223534  Trifolium variegatum var. melananthum Joseph P. Tracy 1935-5-25 13861 Humboldt Fort Seward 106 Comment
  UC1223529  Trifolium variegatum var. variegatum Joseph P. Tracy 1937-6-20 15336 Humboldt 10 mi upstream mouth of Bear River 152 Comment
  UC1197554  Trifolium variegatum var. variegatum Joseph P. Tracy 1936-6-17 14969 1/2 Humboldt Burr Valley nw slope of Buck Mtn 1066 Comment
  UC1197562  Trifolium variegatum var. variegatum Joseph P. Tracy 1927-6-17 8283 Humboldt lower w foothills of Chaparral Mtn (Three Cabins); Northern Coast Ranges 457 Comment
  HSC15177  Trifolium willdenovii D. E. Anderson 1965-5-8 3643 Humboldt About 2 mi. N of Willow Creek on the road running along E side of Trinity River Comment
  UC1223311  Trifolium willdenovii Joseph P. Tracy 1934-4-8 13170 Humboldt betw Miranda and Redway South Fork of Eel River Comment
  UC1223313  Trifolium willdenovii Joseph P. Tracy 1950-5-6 18640 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS66099  Trifolium wormskioldii W. H. Shockley 1879-1 Humboldt Eureka Comment
  HSC90425  Trifolium wormskioldii Jean Hanson 1980-6-22 94 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. W end of Island. Comment
  POM277677  Trifolium wormskioldii Lyman D. Benson 1928-7-10 438 Humboldt Clam Beach, Trinidad. Hills back of the ocean. 15 Comment
  SEINET10862710  Trifolium wormskioldii var. wormskioldii A. Arthur Heller 1924-7-23 Heller 13876 Humboldt Wet soil in a ditch along the road leading to the lighthouse on Trinidad Head. Comment
  RSA667224  Triglochin maritima George K. Helmkamp, E. A. Helmkamp 2001-7-8 6995 Humboldt North coastal strand: North spit of Samoa Peninsula, 0.5 miles N of CA-255 bridge over Humboldt Bay. 6 Comment
  RSA320510  Triglochin striata M. S. Taylor 1982-10-24 5179 Humboldt Samoa, under bridge, ca. 1 mile northwest of Eureka 0 Comment
  UC175295  Trillium albidum Joseph P. Tracy 1913-6-17 4181 Humboldt near summit Buck Mt.; Northern Coast Ranges 1676 Comment
  UCD139896  Trillium albidum R. N. Raynor 1935-3-13 s.n. Humboldt Fort Seward. Comment
  HSC15681  Trillium kurabayashii R. Spellenberg, D. Sutherland, A. Sylvester 1966-4-28 1383 Humboldt S side of Prairie Creek State Park Comment
  HSC95729  Trillium ovatum Steven Lee 2004-4-13 19 Humboldt Hillside along Jolly Giant Creek, Arcata Community Forest Comment
  RSA271695  Trillium ovatum Jane Turner, Francis M. Ball 1962-7-10 SK&F- 1140 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  RSA378216  Trillium ovatum Jane Turner, Francis M. Ball 1962-7-10 1140 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 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
  HSC45264  Trillium ovatum M. Alcasas 1978-4-7 1 Humboldt Freshwater Rd. 0.5 mi. N of Kneeland Post Office 732 Comment
  RSA249440  Trillium ovatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5608 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  SEINET12051379  Trillium ovatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -289 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  CAS-BOT-BC521251  Trillium rivale J. H. Thomas 1949-6-12 897 Humboldt 2 miles west of Matins Ferry on road to Orick. Comment
  JEPS11786  Triodanis biflora Lincoln Constance 1934-6-4 818 Humboldt Look Prairie Bull Creek Region (and Bull Cr. road to Dyerville, South Fork Eel River); South Fork Eel River, , Look Prairie Comment
  SEINET10458960  Triodanis biflora Chandler CHANDLER 1514 B Humboldt SOMES BAR Comment
  UC1198037  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1901-4-14 1020 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  UC198033  Triphysaria eriantha subsp. eriantha H. E. Parks and Joseph P. Tracy 1927-4-24 7946 Humboldt Bucksport 6 Comment
  CAS-BOT-BC199618  Trisetum canescens Joseph P. Tracy 1901-6-23 1167 Humboldt Immediate vicinity of Eureka 152 Comment
  HSC102548  Trisetum canescens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1536 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1103148  Trisetum canescens Joseph P. Tracy 1917-5-30 4789 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  UC163654  Trisetum canescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5494 -5 Humboldt Camp Grant; North Coast Ranges Comment
  UC1714628  Trisetum canescens Joseph P. Tracy 1917-5-30 4788 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  UC34062  Trisetum canescens J. P. Tracy 1901-6-23 1167 Humboldt immediate vicinity Eureka 0 Comment
  UC1103146  Trisetum cernuum Joseph P. Tracy 1918-4-21 4881 Humboldt Newells Camp Northern Coast Ranges (on old Kneeland Prairie Road) 304 Comment
  SEINET11682986  Trisetum cernuum K. S. Erdman 1970-1 4814 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek SP in Redwood National Park Comment
  SEINET202007 Image available Triteleia hyacinthina Joseph P. Tracy 1942-6-15 17136 Humboldt Englewood natural prairie near Redcrest resort 91 Comment
  HSC3103  Triteleia laxa Greg Bos 1965-5-15 273 Humboldt Berry Summit near Hwy. 299 793 Comment
  HSC97626  Triteleia laxa Cara Witte 2007-6-19 300 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  CAS-BOT-BC526353  Triteleia laxa Ella Dales Cantelow 1939-6-4 3916 Humboldt 11.3 miles north of Garberville, road to Alder Point Comment
  HSC35821  Triteleia laxa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1918 Humboldt Above Goat Rock, 2 mi. W of Bridgeville Comment
  UC1197721  Triteleia laxa J. P. Tracy 1906-6-24 2504 Humboldt s slope of hill near Fields Landing; Humboldt Hill 30 Comment
  HSC28303  Tsuga heterophylla Gary S. Lester 1973-12-8 63 Humboldt Comment
  HSC95905  Tsuga heterophylla Will Ferrand 2001-6-17 6 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  UC672886  Typha latifolia Joseph P. Tracy 1934-7-14 13398 Humboldt along Mad River near Blue Lake; along Mad River, near Blue Lake 15 Comment
  POM272289  Umbellularia californica Lyman Benson 1929-7-16 1845 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  HSC40006  Urtica dioica subsp. gracilis Linda M. Barker 1976-9-3 1696 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  RSA167409  Urtica dioica subsp. gracilis Joseph P. Tracy 1950-8-8 19276 Humboldt 1 mile west of lower end of Brogham Hole, 'Trinity Summit Trip'. Comment
  SEINET202011  Urtica urens Joseph P. Tracy 1944-6-10 17476 Humboldt Eureka. 30 Comment
  CAS-BOT-BC199311  Vaccinium ovatum Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove Comment
  CAS-BOT-BC199325  Vaccinium ovatum Ira L. Wiggins 1930-6-25 4613 Humboldt 2 miles north of Samoa Comment
  HSC37342  Vaccinium ovatum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 481 Humboldt Along Lost Man Creek. 38 Comment
  UC902049  Vaccinium ovatum Joseph P. Tracy 1949-6-20 18323 Humboldt near Boynton Prairie 609 Comment
  UCD166885  Vaccinium ovatum Colleen Rossier 2016-9-16 3 Humboldt In vicinity of Red Cap Road, plot Red Cap #2. 264 Comment
  UCSB27859  Vaccinium ovatum Phelps, M. 1972-3-19 Humboldt South end of Elk Ridge, approx. 2.5 mi. north of Briceland 457 Comment
  CAS-BOT-BC199412  Vaccinium parvifolium E. K. Balls 1949-7-11 13973 Humboldt 35 miles west of Willow Creek on Hwy 299 to Arcata 152 Comment
  CAS-BOT-BC199416  Vaccinium parvifolium C. Hart Merriam 1921-7-7 s.n. Humboldt Van Duzen River Bridge Comment
  HSC31487  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Behind Humboldt State University, Arcata. Comment
  POM131975  Vaccinium parvifolium Joseph P. Tracy 1918-4-21 4879 Humboldt Near Newells old camp, Kneeland Prairie Road. Comment
  UC1225910  Vaccinium parvifolium Joseph P. Tracy 1945-3-10 17495 Humboldt Eureka 30 Comment
  JEPS9372  Valeriana californica Joseph P. Tracy 1935-7-30 14381 Humboldt Salmon Summit 2103 Comment
  JEPS52976  Vancouveria W. L. Jepson 1932-8-1 16471 Humboldt Bull Creek; deep woods at Geant Tree 121 Comment
  CAS-BOT-BC76054  Vancouveria hexandra L. R. Abrams 1916-7-11 5983 Humboldt Between Blocksberg and Bridgeville. Comment
  HSC91601  Vancouveria hexandra E. Mackey 1986-6-16 Humboldt Patrick's Point State Park Comment
  SBBG2296  Vancouveria hexandra H. and M. Dearing 1933-5-16 599 Humboldt Weott Comment
  HSC3376  Vancouveria hexandra J. R. Good 1964-5-15 34 Humboldt 1.25 mi. up road along Jolly Giant Creek E of HSU Comment
  RSA302706  Vancouveria hexandra Jim Shevock 1971-5-29 1141 Humboldt Trinity Hwy 299. Comment
  CAS-BOT-BC76094  Vancouveria planipetala M. S. Jussel 1931-5-2 79 Humboldt 20 miles north of Garberville. Comment
  HSC44512  Vancouveria planipetala Brad Klipfel 1973-7-1 122 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC30401  Vancouveria planipetala J. D. Ackerman, A. M. Montalvo 1974-7-17 377 Humboldt Grizzly Creek State Park, along Hwy. 36, between Carlotta and Bridgeville Comment
  HSC23748  Verbena menthifolia Tim Baroni 1971-7-5 100 Humboldt Comment
  RSA20851  Veronica americana Carl B. Wolf 1937-6-18 8891 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  UC147891  Veronica peregrina subsp. xalapensis J. P. Tracy 1910-5-22 3136 Humboldt immediate vicinity of Eurika 0 Comment
  HSC21211  Veronica persica S. J. Roberts 1965-4-24 15 Humboldt 0.5 mi. S of junction of Iverson and Parton Lanes Comment
  JEPS25055  Veronica scutellata Joseph P. Tracy 1921-6-12 5824 Humboldt Butler Valley; Northern Coast Ranges, Butler Valley 152 Comment
  HSC28231  Veronica scutellata John R. Keith 1973-5-15 Humboldt Abandoned log pond about 200 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  HSC55299  Veronica serpyllifolia subsp. humifusa Terry Griswold, Marvin Butler 1979-7-10 6379 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  POM283765  Veronica serpyllifolia var. humifusa Lyman D. Benson 1928-7-12 478 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  HSC56369  Vicia americana var. americana Terry Griswold, Butler 1979-7-11 6390 Humboldt Near Snow Camp Mountain 1320 Comment
  HSC98614  Vicia americana var. americana Cara Witte 2008-7-2 803 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  HSC15270  Vicia gigantea W. F. Nickel 1965-5-15 Humboldt 1/4 mi. E of Arcata on road to Arcata Reservoir Comment
  UC1222590  Vicia hirsuta Joseph P. Tracy 1944-6-10 17474 Humboldt Eureka Comment
  RSA181630  Vicia tetrasperma Doris K. Niles 1950-6-1 s.n. Humboldt Island in Eel River, Niles field. Comment
  HSC3225  Vinca major D. K. Smith 1968-2-2 4 Humboldt On the bank of Crannell Rd. past the bridge Comment
  CAS-BOT-BC263941  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC21758  Viola adunca F. B. Plett 1963-3-9 5 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC100695  Viola canina Carl C. Marshall Apr 1886 169 Humboldt Everywhere. Comment
  UC1762591  Viola cuneata Harley P. Chandler Jun 1901 1297 - Humboldt Hupa Indian Reservation North Coast Ranges 609 Comment
  HSC41239  Viola cuneata Brad Klipfel 1974-5-27 378 Humboldt Horse Mtn. NW of the towers Comment
  UC1763356  Viola cuneata Davy and Blasdale 1899-1 5510 Humboldt Near Humboldt & Del Norte [county line?] Comment
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Nov 12 2007
  HSC73155  Viola glabella M. A. Baker 1980-5-18 1299 Humboldt Near Black Mtn. 1006 Comment
  CAS-BOT-BC536492  Viola glabella Henry M. Pollard 1948-7-18 s.n. Humboldt Near Orleans Comment
  HSC45496  Viola glabella Maralyn O'Meara 1972-6-8 97 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  UC1103561  Viola glabella Joseph P. Tracy 1923-4-8 6178 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  HSC32135  Viola hallii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5614 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UCR139069  Viola hallii E. Brower, S. Marubayashi, E. Perry 1997-5-10 054 Humboldt USFS Road 1, at mile marker 8 945 Comment
  UC1103558  Viola macloskeyi Joseph P. Tracy 1947-6-26 17744 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC21832  Viola ocellata R. A. Rasp 1964-4-25 40 Humboldt 2.5 mi. E of Willow Creek off of Hwy. 299 Comment
  CAS-BOT-BC270151  Viola palustris H. E. Parks; Joseph P. Tracy 1927-4-23 7919 Humboldt Big Lagoon, in bog 3 Comment
  BLMAR574  Viola praemorsa Jennifer Wheeler 2010-5-12 574 Humboldt Lacks Creek, Faulkner prairie 731 Comment
  HSC21856  Viola sempervirens H. E. Parks, S. T. Parks Apr 1944 24268 Humboldt Spruce Cove, Trinidad 61 Comment
  UCD111295  Viola sempervirens K. Esau 1934-4-1 s.n. Humboldt Above Fort Seward. Comment
  HSC34797  Viola sempervirens John Palmer 1975-4-9 299 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  HSC34806  Viola sempervirens Lon Hall 1975-3-27 301 Humboldt Near Shelter Cove, above Bear Creek 366 Comment
  HSC86306  Viola sheltonii K. Berg, R. Bonning 1983-5-21 487 Humboldt 6.1 mi. from Berry Summit and Hwy. 299 1494 Comment
  CAS-BOT-BC203049  Vitis californica Doris K. Kildale 1928-6-17 5236 Humboldt Miranda, south fork of Eel River Comment
  UC668146  Vitis californica Joseph P. Tracy 1933-9-9 13077 Humboldt Garberville South Fork of Eel River 152 Comment
  SEINET10918233  Vitis californica Unknown 1988-7-25 Anonymous s.n Humboldt Hwy Am [P--], Chestnut & Drew Comment
  HSC69872  Vulpia bromoides Thomas W. Nelson 1978-5-29 4094 Humboldt On McKeown Ranch N of Dinsmore. 762 Comment
  UCD93456  Vulpia bromoides A. A. Beetle; G. L. Stebbins Jr., J. P. Tracy 1942-6-2 3459 Humboldt near Loleta Swamp, south of Eureka. Comment
  UC1103717  Vulpia microstachys var. pauciflora Joseph P. Tracy 1913-6-19 4201 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC37935  Vulpia myuros Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  HSC73581  Vulpia myuros Gail Newton 1980-7-14 1482 Humboldt Near Last Chance Ridge. 1219 Comment
  UC38479  Vulpia myuros var. hirsuta Harley P. Chandler May 1901 1120 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  UC53369  Vulpia myuros var. hirsuta M. A. H. 1896-6-2 Humboldt Eureka Comment
  CAS-BOT-BC128815  Whipplea modesta L. R. Abrams 1918-6-16 7145 Humboldt Lower arid Transition Zone, Willow Creek Comment
  HSC76267  Whipplea modesta Denis Kearns 1981-6-24 24 Humboldt Near Cedar Camp 1219 Comment
  UC1198904  Whipplea modesta Joseph P. Tracy 1949-5-8 18294 Humboldt open flat by old Strong's District Schoolhouse (5 mi e of town); Carlotta 60 Comment
  UC14483  Whipplea modesta Chesnut and Drew 1888-7-21 Humboldt Hy-Am-Pum Comment
  HSC13045  Woodwardia fimbriata Steve Dorei 1970-10-13 45 Humboldt H.S.U. campus, Arcata, W of Forestry building, SW corner of parking lot Comment
  CAS-BOT-BC382929  Wyethia angustifolia Doris K. Kildale 1927-7-1 3614 Humboldt Alton Hill 30 Comment
  JEPS32063  Wyethia angustifolia Lincoln Constance 1934-5-29 725 Humboldt Upper Look Prairie (South Fork Eel River, Bull Creek Region); South Fork Eel River, Upper Look Prairie, Bull Creek Region 365 Comment
  UC302181  Wyethia angustifolia Joseph P. Tracy 1926-6-6 7577 Humboldt in open forest on road w from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC582640  Wyethia longicaulis Joseph P. Tracy 1932-6-26 10253 Humboldt Valley of South Yager Creek 762 Comment
  SDSU11985  Xerophyllum tenax D. F. Howe 1961-8-2 3123 Humboldt 24 miles east of Orick on Bald Mt. road. 914 Comment
  UC1198221  Xerophyllum tenax Joseph P. Tracy 1933-7-11 12671 Humboldt Horse Mountain 1432 Comment
  CDA1423  Zostera japonica Gordon Leppig, David Couch 2006-11-17 2396 Humboldt Arcata Bay. Mudflat W of City of Arcata oxidation ponds, upper intertidal zone, 2 m from dike. 0 Comment
  UC297846  Zostera marina H. E. Parks 1923-5-30 1756 Humboldt Eureka Comment



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