Search Results — 2000 specimen records retrieved (1359 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC71112  Abies concolor M. A. Baker 1980-5-23 1386 Humboldt Near Buck Mtn. 1524 Comment
  RSA54126  Abies concolor Henry M. Pollard 1944-09 s.n. Humboldt Near Orleans. Comment
Read comments
Oct 1 2019
  CAS-BOT-BC78052  Abies grandis Doris K. Kildale 1927-2-20 2964 Humboldt Korbel Hill at Angel's Ranch 304 Comment
  HSC31505  Abies grandis Steve Selva, Roger Jensen 1974-8-27 88 Humboldt Hwy 299 ca. 1.0 mi. E of Blue Lake Comment
  POM89804  Abies grandis Joseph P. Tracy 1919-4-6 5725 Humboldt Around Humboldt Bay, Humboldt Hill. 152 Comment
  CHSC1069  Abronia latifolia 1947-6-1 Humboldt Coastal. Comment
  HSC16132  Abronia latifolia K. P. St. John 1965-5-21 39 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  SD42285  Abronia latifolia Carl B. Wolf 1937-9-9 3064 Humboldt Coast, 2 miles south of Cape Mendocino 6 Comment
  RSA0025088  Abronia latifolia M. B. Dunkle 1936-8-18 4817 Humboldt Moonstone Beach, N. Arcata. Comment
  SEINET11941806  Abronia latifolia K. S. Erdman 1970-1 4811 Humboldt Gold Bluffs Beach about 3 mi NW of Berry Glen on US 101, Prairie Creek State Park Comment
  CAS-BOT-BC233751  Abronia umbellata Doris K. Kildale 1926-6-18 2401 Humboldt Gold Bluffs Beach Comment
  RSA0025872  Abronia umbellata M. B. Dunkle 1936-8-18 4821 Humboldt Moonstone Beach. Comment
  SEINET3026049  Acer circinatum John P. Young 1921-9-18 s.n. Humboldt Orick Comment
  UC165811  Acer circinatum J. P. Tracy 1909-6-13 2997 Humboldt Mad River near Blue Lake; Mad River near Blue Lake 30 Comment
  UC502961  Acer circinatum Joseph P. Tracy 1928-5-6 8427 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC102073  Acer glabrum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 975 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  CAS-BOT-BC331587  Acer macrophyllum Doris K. Kildale 1926-8-15 2527 Humboldt Willow Creek near mouth - between first and second fords 152 Comment
  HSC69577  Acer macrophyllum R. Kalal 1980-6-1 9 Humboldt S side of Essex Pond 15 Comment
  UC718416  Acer macrophyllum Wolf and Johnson 1934-10-11 6756 Humboldt Redwood Highway 6 4/10 mi w Humboldt Redwood Park (Eel River); w of Humboldt Redwood Park, Eel River 91 Comment
  CAS-BOT-BC28590  Achillea millefolium Ira L. Wiggins 1940-7-10 9485 Humboldt Big Lagoon Comment
  CDA30207  Achillea millefolium M. K. Beyers, I. Shepardson 2009-9-13 255 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
  HSC26471  Achillea millefolium T. O. Osborne 1970-5-17 8 Humboldt Sugarloaf Rock, Cape Mendocino 46 Comment
  HSC67891  Achillea millefolium J. P. Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1080536  Achillea millefolium S. S. Tillett 1956-7-6 624 Humboldt along, (in clear area along ridge 12.5 mi from Orleans) Bar Shanty Road; Orleans 1173 Comment
  UCD128345  Achillea millefolium James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1225749  Achlys californica Joseph P. Tracy 1946-6-23 17594 Humboldt Kneeland Prairie 762 Comment
  UC203890  Achlys californica Joseph P. Tracy 1918-5-28 4951 Humboldt High Prairie on Bald Mt. Northern Coast Ranges, Bald Mt. 1066 Comment
  UC472295  Achlys californica Mrs. M. H. Manning 1901-4 32 Humboldt near Hupa Comment
  CHSC19744  Achlys triphylla D. E. Anderson 1965-5-1 3575 Humboldt 4--5 miles west of jct. Bluff Creek Rd. and Hw. 96, along Bluff Cr. Rd. Comment
  CAS-BOT-BC400026  Achlys triphylla Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Divide west of Willow Creek Comment
  HSC3330  Achlys triphylla Francis Winter 1960-4-23 Humboldt 1 mi. S of Simpson Creek, Korbel-Maple Creek Rd. 213 Comment
  JEPS47754  Achlys triphylla subsp. triphylla Lincoln Constance 1934-6-1 773 Humboldt Bull Cr. rd. between Dyerville Bridge and Bull Creek flat grove (mouth of Bull Cr.); S. Fork Eel R., Bull Creek Region 45 Comment
  SD42586  Achlys triphylla subsp. triphylla Carl B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 miles above Bridgeville on grade to Dinsmores 455 Comment
  UC60151  Achnatherum lemmonii J. Burtt Davy 1899-6-8 5348 Humboldt Bell Springs North Coast Ranges, Bell Springs Comment
  RSA167290  Achnatherum lemmonii var. lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt Halfway between Snow Camp & Twin Lakes (at Preston's old gate near road) Comment
  CAS-BOT-BC216454  Achnatherum occidentale subsp. californicum H. E. Parks; Joseph P. Tracy 1934-6-27 11078 Humboldt Grouse Mountain 1432 Comment
  RSA10033  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-17 10667 Humboldt Trinity Summit, Ridges east of Corral Prairie 1829 Comment
  BLMAR183  Acmispon brachycarpus Donald Hazlett 1994-6-7 183 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UCSB30617  Acmispon brachycarpus Edwards, David 1974-8-1 Humboldt Near W. bank of Mad River north of its junction with Puter Creek, ca. 300 yds. N. of fish hatchery, ca. 2 mi. SW. of Korbel 3 Comment
  HSC45096  Acmispon micranthus R. Sutherland 1978-5-13 3 .13578 Humboldt Mattole River. 282 Comment
  HSC98308  Acmispon micranthus D. B. Bader 1963-3-1 22 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  HSC98305  Acmispon micranthus J. R. Woodside 1963-5-1 24 Humboldt 1.25 mi. N of Fairhaven Comment
  UC180208  Aconitum columbianum Joseph P. Tracy 1914-7-4 4526 Humboldt High Prairie on Bald Mt.; Northern Coast Ranges 1066 Comment
  CAS-BOT-BC391411  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC391409  Aconitum columbianum subsp. columbianum L. B. Kildale 1930-7-11 10205 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC412602  Aconogonon alaskanum Volney Rattan No date on label s.n. Humboldt Bet. P.C. [Pilot Creek] & Trinity County Comment
  JEPS60386  Actaea rubra W. L. Jepson 1932-7-29 16445 Humboldt Glenbrook Van Duzen R., Grizzly Flat Comment
  UC164785  Adenocaulon bicolor J. P. Tracy 1901-6-2 1119 Humboldt immediate vicinity Eureka 0 Comment
  POM118378  Adiantum aleuticum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SEINET202723 Image available Adiantum capillus-veneris J. P. Tracy 1951-7-8 19622 Humboldt JP Tracy's garden at Eureka Comment
  UCD137191  Adiantum jordanii Lincoln Constance 1934-6-4 823 Humboldt Bull Creek Region, South Fork Eel River. Comment
  CDA35538  Aesculus californica R. Spandoni & J. R. Hunt 1980-9-3 Humboldt Petrolia. 0 Comment
  UC1199315  Ageratina occidentalis Joseph P. Tracy 1939-8-20 16431 Humboldt near Blue Lake; Mad River 15 Comment
  UC194430  Ageratina occidentalis P. E. Goddard 1907-7-14 b 128 Humboldt along Van Duzen <River> Van Duzen <River> Comment
  UC1222939  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-1 18954 Humboldt Friday Ridge Grouse Mountain, Friday Ridge 1219 Comment
  HSC71062  Agoseris heterophylla Thomas W. Nelson, Jane P. Nelson 1977-5-30 3396 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC75463  Agoseris heterophylla J. O. Sawyer 1980-7-18 3612 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC1145067  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt clay bluff close to ocean shore Trinidad 3 Comment
  CAS-BOT-BC127296  Agrostis exarata Palmer Stockwell 1934-7-13 64 Humboldt Clam Beach. Comment
  CAS-BOT-BC127324  Agrostis exarata Joseph P. Tracy 1904-7-10 2119 Humboldt Northern Coast Region. Eureka. 60 Comment
  HSC102221  Agrostis exarata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1137 Humboldt Patterson Meadows 1555 Comment
  HSC96959  Agrostis exarata H. E. Parks May 1934 1161 Humboldt Trindad. Comment
  HSC99507  Agrostis exarata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 167 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
  UC184150  Agrostis exarata Joseph P. Tracy 1912-7-21 3785 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UCD52425  Agrostis exarata J. E. Street 1950-6-24 s.n. Humboldt Bryalands. Comment
  UC188818  Agrostis exarata Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5885 Humboldt Francis Range Comment
  HSC58752  Agrostis gigantea Overton, Butler 1979-7-24 9620 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  HSC76547  Agrostis gigantea Teresa Prendusi 1981-7-23 341 Humboldt Near Black Mtn. 890 Comment
  HSC37235  Agrostis hallii Lon Hall 1975-6-19 400 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC90001  Agrostis hallii Leonel Arguello 1989-8-20 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, alongside N Dune loop trail. Comment
  UCD52687  Agrostis hallii H. S. Yates 1936-6-17 5698 Humboldt Lower N.W. slope of Buck Mt. 792 Comment
Read comments
Aug 22 2008
  CAS-BOT-BC138875  Agrostis microphylla A. A. Heller 1923-7-8 13772 Humboldt Near Fortuna. Comment
  UC36960  Agrostis microphylla Harley P. Chandler May, 1901 1253 Humboldt Redwood Belt North Coast Ranges, Redwood Belt 304 Comment
  UC552752  Agrostis oregonensis Joseph P. Tracy 1934-7-18 13452 Humboldt in wet meadow North Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC139060  Agrostis pallens Doris K. Kildale 1925-8-17 1261 Humboldt Trinity Summit. 1917 Comment
  HSC8781  Agrostis pallens J. A. Waller 1965-5-16 44 Humboldt Open field near Big Lagoon Comment
  RSA10066  Agrostis stolonifera Joseph P. Tracy 1932-8-21 10363 Humboldt Three Cabins, on lower western foothills of Chaparral Mountain; North Coast Range 457 Comment
  SEINET3917179  Agrostis stolonifera Thomas Nelson, James Nelson 1976-7-28 3046 Humboldt West of alder Springs along 2S08.; 0 1554 Comment
  CAS-BOT-BC138572  Agrostis variabilis Joseph P. Tracy 1930-7-16 8948 Humboldt Northern Coast Ranges. South Fork Mountain. Along summit near Blake Lookout. 1737 Comment
  UC526778  Agrostis variabilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8948 Humboldt along summit South Fork Mountain (near Blake lookout); Northern Coast Ranges, along summit South Fork Mountain 1737 Comment
  SACT000239  Aira caryophyllea Lyle Bibb 1963-5-11 Humboldt Coastal salt marsh near Arcata Comment
  UCR199659  Aira praecox R. F. Thorne, Percy C. Everett 1965-8-9 35308 Humboldt Northwestern; Outer North Coastal region, Big Lagoon 3 Comment
  UC1198269  Alisma plantago-aquatica Joseph P. Tracy 1930-10-12 9214 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  SEINET182670  Allium amplectens Unknown 1936-6-24 645 Humboldt At point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River, 710 Comment
  CAS-BOT-BC464487  Allium campanulatum Joseph P. Tracy 1932-7-12 10479 Humboldt Trinity Summit, Head of Brett Hole 1828 Comment
  HSC79065  Allium cratericola D. K. Imper 1984-5-17 Humboldt Sims Mountain 1280 Comment
  HSC74089  Allium falcifolium Gail Newton 1980-6-28 679 Humboldt Near Mad River Butte 1536 Comment
  UC1198200  Allium falcifolium Joseph P. Tracy 1933-7-25 12892 Humboldt Grouse Mountain 1524 Comment
  UC666932  Allium falcifolium Joseph P. Tracy 1933-7-11 12658 Humboldt Horse Mountain 1432 Comment
  HSC32124  Allium hoffmanii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5588 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC65952  Allium hoffmanii M. A. Baker 1980-7-11 2799 Humboldt Near Red Mtn. 1433 Comment
  JEPS47611  Allium siskiyouense Joseph P. Tracy 1933-7-16 12789 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  HSC2941  Allium triquetrum D. V. Sanford 1963-4-27 48 Humboldt Near old mill behind HSC campus Comment
  HSC23259  Allium triquetrum Jena Kattenhorn 1971-5-26 259 Humboldt Vacant lots of HSC campus 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
  HSC76430  Allium validum Denis Kearns 1981-7-23 397 Humboldt Near Whiteys Peak. 1524 Comment
  HSC99641  Allium validum T. Jimerson, J. Pageau 1979-8-10 736 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  UC666890  Allium validum Joseph P. Tracy 1930-7-16 8922 Humboldt meadow at McKay's Camp South Fork Mountain, McKay's Camp 1676 Comment
  CAS-BOT-BC171313  Alnus incana subsp. tenuifolia Joseph P. Tracy 1927-8-22 8335 Humboldt Bald Mountain; In cold wet meadow near High Prairie 1066 Comment
  UC1222284  Alnus incana subsp. tenuifolia Joseph P. Tracy 1950-8-8 19286 Humboldt Croghan Hole Trinity Summit 1676 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
  UC503096  Alnus rhombifolia Joseph P. Tracy 1930-11-2 9243 Humboldt Camp Grant Northern Coast Ranges, Eel River (along river) 60 Comment
  HSC31798  Alnus rubra Steve Selva, Roger Jensen 1974-8-27 82 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  SFV18531  Alnus rubra D. Waller 2002-5-7 71 Humboldt Arcata. Intersection of L. K. Wood and Redwood Ct. 61 Comment
  SEINET201016  Alnus viridis subsp. sinuata J. P. Tracy 1947-8-24 17913 Humboldt Trinity Summit near Box Camp 1524 Comment
  UC1145046  Alopecurus aequalis Joseph P. Tracy 1950-7-6 19019 Humboldt 3 mi. s. Burr Valley (Buck Mt., high meadow w. side,); Buck Mt. 1158 Comment
  UC187254  Alopecurus aequalis Joseph P. Tracy 1911-7-7 3400 Humboldt 3 mi. n.w. of junction of Willow Creek with Trinity R. (at meadows on mt. side, near Beebe's Ranch); Northern Coast Ranges 914 Comment
  HSC8888  Alopecurus geniculatus E. W. Styskel 1964-5-17 91 Humboldt Rio Dell, corner of Center St. and Hwy. 101 Comment
  UC677600  Alopecurus geniculatus A. A. Beetle with Stebbins and Tracy 1942-6-2 3458 Humboldt s. of Eureka (Loleta Swamp); Loleta Swamp Comment
  RSA167288  Alopecurus saccatus Joseph P. Tracy 1951-6-21 19525 Humboldt back of the Everett Beck house (formerly George Gray) bed of former Goose Lake, Hydesville. Comment
  UCD55973  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton. 30 Comment
  CAS-BOT-BC13710  Ambrosia chamissonis Carl B. Wolf 1927-8-29 1213 Humboldt Devil's Gate, south of Cape Mendocino. Comment
  HSC5664  Ambrosia chamissonis H. E. Parks Sep 1941 24215 Humboldt Little River Comment
  HSC90391  Ambrosia chamissonis Jean Hanson 1980-8-28 116 Humboldt In Humboldt Bay, city of Eureka; Indian (Gunther) Island, W end of the island Comment
  JEPS44699 Image available Amelanchier alnifolia var. semiintegrifolia Lincoln Constance 1934-6-11 845 Humboldt n Dyerville Flat South Fork Eel River, Bull Creek Region (trail along e bank of South Fork Eel River) Comment
  UC418998  Amelanchier alnifolia var. semiintegrifolia H. E. Parks, J. P. Tracy 1925-6-25 3775 Humboldt Lawrence Creek Comment
  CAS-BOT-BC143014  Amelanchier utahensis H. E. McMinn 1922-8-5 343 Humboldt Along Van Duzen River 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
  UC494005  Amsinckia H. E. Parks, J. P. Tracy 1930-5-25 881 Humboldt near Bridgeville Comment
  UC1222278  Amsinckia intermedia Joseph P. Tracy 1948-5-31 18023 Humboldt 2 mi w of Bridgeville (roadside, at the big rock) Comment
  CAS-BOT-BC45137  Anaphalis margaritacea Doris K. Kildale 1926-8-8 2476 Humboldt Dyerville Bridge 45 Comment
  CAS-BOT-BC45136  Anaphalis margaritacea Doris K. Kildale 1925-8-17 1186 Humboldt Trinity Summit, Elk Horn Camp 1524 Comment
  SD42332  Anaphalis margaritacea Carl B. Wolf 1937-8-13 2910 Humboldt North Coast Range, 9 miles northeast of Blue Lake on Lord Ellis Road. 245 Comment
  HSC34275  Anemone deltoidea K. Irwin 1975-8-13 Humboldt N Trinity Mtn. area below Mill Creek Lakes Comment
  HSC55633  Anemone deltoidea Overton, Butler 1979-7-24 9642 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  CAS-BOT-BC391772  Anemone deltoidea M. Louise Hutchinson 1913-5-1 s.n. Humboldt Near Eureka Comment
  CAS-BOT-BC391783  Anemone deltoidea W. R. Dudley 1899-6-19 s.n. Humboldt Scotia--Shady Run. Comment
  CHSC31275  Anemone oregana Mark Stopher 1980-5-20 71 Humboldt Along the Van Duzen River near Rte 36. Comment
  JEPS12247  Angelica genuflexa Joseph P. Tracy 1940-9-26 16725 Humboldt Eureka 6 Comment
  HSC71322  Angelica genuflexa J. M. DiTomaso 1980-10-1 1996 Humboldt S Eureka limits across from Sunset Mortuary Comment
  UC582661  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  JEPS14106  Angelica hendersonii Joseph P. Tracy 1937-8-22 15674 Humboldt Table Bluff 91 Comment
  UC642237  Angelica hendersonii Joseph P. Tracy 1938-8-28 16133 Humboldt Trinidad 3 Comment
  UC314600  Angelica hendersonii Joseph P. Tracy 1923-9-23 6560 Humboldt Northern Coast Region, Alton Alton Alton Alton; Northern Coast Region, Alton 30 Comment
  UCD127226  Angelica hendersonii Joseph DiTomaso 1980-6-29 1634 Humboldt north side of Elkshead. 2 miles north of Trinidad. Comment
  CDA38195  Angelica lucida Gordon Leppig 1998-6-18 839 Humboldt Route 101 on Humboldt Bay at mouth of Jacoby Creek. Comment
  UC642351  Angelica lucida Joseph P. Tracy 1938-7-15 16078 Humboldt Mouth of Eel River Eel River 6 Comment
  SD58268  Angelica tomentosa var. hendersonii W. L. Jepson 1936-8-18 17945 Humboldt 1/2 mile south of Singley Creek, Sand dune by the sea Comment
  CAS-BOT-BC271494  Anisocarpus madioides Mark Bransom; Daniel Brown; Ron Hildebrandt; Nina Meiselman 1986-4-19 23 Humboldt 1 1/2 mi. west of Burnt Ranch on R. 299, Burnt Ranch Campground Comment
  POM247535  Antennaria media Joseph P. Tracy 1935-7-24 14202 Humboldt Trinity Summit, near ranger station Comment
  HSC56940  Antennaria suffrutescens Overton, Butler 1979-7-23 9419 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC97641  Antennaria suffrutescens Cara Witte 2007-6-12 242 Humboldt Horse Mountain Botanical Area. Near mine area. Forest Service Road 6N38. 1311 Comment
  HSC4670  Anthemis cotula Lincoln Constance 1934-5-27 694 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  BLMAR50  Anthoxanthum odoratum Brad Barr June, 1982 50 Humboldt King range, ridgetop of Johnny Jack ridge Comment
  CAS-BOT-BC137739  Anthoxanthum odoratum David D. Keck 1948-7-2 6010 Humboldt 1.5 mile esat of Freshwater (Garfield), on Kneeland Road. Comment
  CAS-BOT-BC137741  Anthoxanthum odoratum Harley P. Chandler 1901-5-1 1106 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  HSC8950  Anthoxanthum odoratum D. B. Bader 1963-4-1 24 Humboldt Second of the Clam Beach lagoons, W of Hwy. 101 Comment
  SEINET198594  Anthoxanthum odoratum H. E. Parks, ST Parks 1952-4-30 24444 Humboldt Spruce Cove Trinidad Comment
  UC1056038  Anthoxanthum odoratum H. E. and S. T. Parks 1952-4 24444 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove 60 Comment
  UC1541539  Anthoxanthum odoratum Harold E. Parks May 1933 4301 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove Comment
  UC569482  Anthoxanthum odoratum H. S. Yates 1936-6-23 5853 Humboldt 2 mi e of mouth of Mad River 30 Comment
  UCSB297  Anthoxanthum odoratum Parker, H.; Parks, S. 1952-04 Humboldt Spruce Cove, Trinidad 60 Comment
  RSA425833  Antirrhinum vexillocalyculatum subsp. breweri T. A. Bonser 1931-7-14 14970 Humboldt Garberville. Comment
  UC902211  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-8-11 18468 Humboldt 2 to 6 mi s Grouse Mt.; Kinsey Ridge 1280 Comment
  HSC98059  Apocynum androsaemifolium Cara Witte 2007-7-11 498 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  RSA668408  Aquilegia formosa Thomas W. Stark 1967-7-24 100 Humboldt 1/4 mile W of rt 101, 3 miles N of Trinidad Head. 91 Comment
  HSC54209  Arabis glabra Griswold, Butler 1979-7-12 7253 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC57337  Arabis glabra Walter Overton, Butler 1979-7-26 10004 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1341 Comment
  HSC73687  Arabis glabra M. A. Baker 1980-7-15 2980 Humboldt Near Whiting Ridge. 1341 Comment
  HSC57318  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-26 9373 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  SDSU2557  Aralia californica Harvey 1938-8-13 2247 Humboldt Humbolt State Redwood Park. Comment
  HSC41316  Arbutus menziesii Brad Klipfel 1974-9-2 536 Humboldt Horse Mtn. Comment
  UC1193365  Arbutus menziesii P. Zinke 1950-8-14 154 Humboldt 3 mi e of Garberville (Little Buck Mountains, Outside National Forest); Little Buck Mountains, Outside National Forest 609 Comment
  HSC74408  Arceuthobium campylopodum Gail Newton 1980-8-10 2022 Humboldt Near Blake Mtn. 1798 Comment
  UC1119281  Arctium minus H. L. Person 1932-9-3 Humboldt Camp 9, Freshwater Euerka Quad. Comment
  UC902044  Arctostaphylos Joseph P. Tracy 1949-8-4 18406 Humboldt ridge top 1 mi w Mud Springs; Trinity Summit 1158 Comment
  JEPS38853  Arctostaphylos X media Joseph P. Tracy 1923-3-31 6171 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay 60 Comment
  JEPS118166  Arctostaphylos canescens subsp. canescens Dean W. Taylor 2009-7-14 20676 Humboldt vicinity Huestis Prairie (watershed Redwood Creek) 975 Comment
  CAS-BOT-BC23765  Arctostaphylos columbiana Joseph P. Tracy 1947-5-24 17693 Humboldt Big Lagoon, Devil's Canyon 152 Comment
  CAS-BOT-BC23773  Arctostaphylos columbiana Joseph P. Tracy 1948-3-13 17955 Humboldt Table Bluff 91 Comment
  CAS-BOT-BC23819  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15075 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23821  Arctostaphylos columbiana Carl B. Wolf 1941-3-3 9995 Humboldt N. Coast Range, 4 mi. N. of Ettersburg on road to Honeydew. 304 Comment
  CHSC35520  Arctostaphylos columbiana Thomas Nelson; James Nelson 1976-3-11 2267 Humboldt Growing on a hillside beside old highway 101 along north side of Table Bluff. Comment
  HSC35750  Arctostaphylos columbiana Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1994 Humboldt French Camp, Bald Hills. Comment
  HSC7614  Arctostaphylos columbiana J. Pursell 1964-11-1 1116 Humboldt Hwy. 96, 8 mi. S of Orleans Comment
  LA42321  Arctostaphylos columbiana H. E. Parks; 1931-3-25 917 Humboldt near Patrick's Point Comment
  SBBG58410  Arctostaphylos columbiana H. E. Parks -Dec-1931 4950 Humboldt Hobson's, Trinidad 60 Comment
  UC1193031  Arctostaphylos columbiana R. H. Neuns 1950-7-13 129 Humboldt 3 mi s Alder Point; Quad. 29D2 548 Comment
  UC585911  Arctostaphylos columbiana Joseph P. Tracy 1927-8-14 8331 Humboldt Big Lagoon 152 Comment
  UC718361  Arctostaphylos columbiana Carl B. Wolf 1934-7-2 5904 Humboldt 4 mi from Snow Camp (on road to Bald Mt.); Mts. E. of Korbel Comment
  RSA252144  Arctostaphylos columbiana var. tracyi Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon. 61 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
  RSA632799  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27794 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA632809  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27763 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  HSC48756  Arctostaphylos manzanita Brad Klipfel 1973-6-10 72 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA633026  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27804 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  CAS-BOT-BC24371  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-3-10 2993 Humboldt Dobbyns Creek. Comment
  UC1173705  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1939-8-5 16391 Humboldt dry hillsides and river bar of Van Duzen Dinsmore's 731 Comment
  UC1193146  Arctostaphylos manzanita subsp. manzanita R. H. Neuns 1950-7-13 131 Humboldt 3 mi s Alder Point; Quad 29D2 563 Comment
  HSC38516  Arctostaphylos nevadensis D. E. Anderson, J. P. Smith 1971-6-18 1085 Humboldt Horse Mtn. Comment
  HSC44450  Arctostaphylos nevadensis Brad Klipfel 1975-5-30 654 Humboldt Horse Mtn. Comment
  UC585956  Arctostaphylos nevadensis Joseph P. Tracy 1935-7-30 14380 Humboldt Salmon Summit 2103 Comment
  CAS-BOT-BC40068  Arctostaphylos nevadensis subsp. knightii Doris K. Kildale 1926-8-22 2585 Humboldt On road from Orick to Martin's Ferry. 716 Comment
  HSC98990  Arctostaphylos nevadensis subsp. nevadensis Cara Witte 2008-6-27 774 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1365 Comment
  HSC99394  Arctostaphylos nevadensis subsp. nevadensis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 43 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-BC46633  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8135 Humboldt Horse Mountain. 1432 Comment
  HSC70475  Arctostaphylos patula Gail Newton 1980-7-15 1588 Humboldt Near Sims Mtn. 1311 Comment
  CAS-BOT-BC43983  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17499 Humboldt Eureka 45 Comment
  CAS-BOT-BC43998  Arctostaphylos uva-ursi Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  UC1225930  Arctostaphylos uva-ursi Joseph P. Tracy 1945-5-10 17506 Humboldt Eureka 45 Comment
  SEINET11993189  Arctostaphylos uva-ursi var. coactilis H. P. Chandler 1901-1 1133 Humboldt Humboldt Bay, North Coast Ranges 3 Comment
  SEINET200929  Aristida oligantha J. P. Tracy 1919-9-15 5222 Humboldt Northern Coast Ranges; valley of Trinity River near mouth of Willoe Creek 152 Comment
  UC526766  Aristida oligantha Joseph P. Tracy 1933-8-27 13000 Humboldt Robertson's Ranch Vicinity of Garberville (hillsides in sheep range) 304 Comment
  HSC1975  Armeria maritima subsp. californica N. D. Dennis, D. E. Anderson 1965-6-8 108 Humboldt Samoa Peninsula along the W side of Humboldt Bay. Comment
  HSC47569  Armeria maritima subsp. californica Sheila Logan 1978-4-10 113 Humboldt McKinleyville, foot of Hiller Rd. at Ocean Rd., at Mad River. Comment
  RSA246710  Armeria maritima subsp. californica Robert F. Thorne, Percy C. Everett 1965-8-5 35158 Humboldt Samoa Dunes. 3 Comment
  HSC44338  Arnica cernua Brad Klipfel 1975-6-17 684 Humboldt Horse Mtn. Comment
  UC275462  Arnica cernua Joseph P. Tracy 1925-6-7 7057 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
Read comments
Feb 27 2007
  JEPS35862  Arnica discoidea Lincoln Constance 1934-6-19 910 Humboldt s of, near summit of Grasshopper Mtn Bull Creek Flat; South Fork of the Eel River, Grasshopper Mtn. 914 Comment
  RSA167206  Arnica latifolia Joseph P. Tracy 1942-6-23 17236 Humboldt Near Box Camp 1463 Comment
  CHSC33067  Artemisia douglasiana J. P. Smith; Advanced Plant Taxonomy Class 1971-10-9 5032 Humboldt Mad River above the Fish Hatchery. Comment
  UC1222998  Artemisia douglasiana Joseph P. Tracy 1947-8-24 17892 Humboldt Meadow at Box Camp; Trinity Summit 1463 Comment
  RSA109296  Artemisia pycnocephala H. E. Parks, S. T. Parks 1952-06 24495 Humboldt Ocean sand dunes, Samoa Comment
  UC581793  Artemisia suksdorfii Joseph P. Tracy 1934-7-13 13382 Humboldt Trinidad 3 Comment
  CAS-BOT-BC97243  Artemisia suksdorfii Carl B. Wolf 1927-8-29 1220 Humboldt [Devil's] Devils Gate, south of Cape Mendocino Comment
  RSA78412  Aruncus sylvester Philip A. Munz 1952-6-25 17840 Humboldt S of Grizzly Creek, N Fork of Trinity River, N of Helena. 1006 Comment
  HSC3266  Asarum caudatum D. E. Anderson 1962-3-8 1929 Humboldt E of HSC campus Comment
  UCSB26616  Asarum caudatum Havlik, Neil 1968-8-20 Humboldt On the Ferndale-Capetown Road, about 5 miles from Ferndale 457 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  SEINET10857354  Asclepias fascicularis R. W. Schery, E. M. Curtis 1939-7-20 Schery 8 Humboldt West of Sequaia 914 Comment
  HSC56338  Asclepias speciosa Griswold, Butler 1979-7-10 6223 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC44354  Aspidotis densa Brad Klipfel 1974-5-8 317 Humboldt Horse Mountain Comment
  UC197913  Aspidotis densa Joseph P. Tracy 1912-7-26 3849 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC99521  Asyneuma prenanthoides K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 184 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC97997  Asyneuma prenanthoides Cara Witte 2007-7-9 454 Humboldt Grouse Mountain. Forest Service Road 5N04. 1/4 mile east of spring. 1554 Comment
  CAS-BOT-BC69521  Athyrium filix-femina subsp. cyclosorum L. R. Abrams 1916-7-11 6053 Humboldt At mouth of Grizzly Creek on Van Duzon River. Comment
  CAS-BOT-BC69453  Athyrium filix-femina subsp. cyclosorum Carl B. Wolf 1939-7-6 9516 Humboldt Along Larabee Creek, 6 7/10 mi. below Blocksburg on road to Bridgeville. 304 Comment
  HSC76301  Athyrium filix-femina var. cyclosorum Teresa Prendusi 1981-7-9 176 Humboldt Near Cedar Camp. 1268 Comment
  UC1198296  Athysanus pusillus Joseph P. Tracy 1937-5-16 15283 Humboldt nw of Harris 914 Comment
  CDA23297  Atriplex patula var. obtusa Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh Comment
  HSC69756  Atriplex prostrata Thomas W. Nelson 1977-9-22 3751 Humboldt Along E side of State Rte. 101, N of Eureka airport Comment
  UC673039  Atriplex triangularis Harold E. Parks and Joseph P. Tracy 1934-10-13 11152 Humboldt Big Lagoon 3 Comment
  UC526702  Avena fatua Joseph P. Tracy 1930-6-29 8824 Humboldt Buck Mountain Northern Coast Ranges (lower foothills of nw slope) Comment
  CAS-BOT-BC98030  Baccharis pilularis Joseph P. Tracy 1923-10-6 6565 Humboldt Eureka, around Humboldt Bay 30 Comment
  RSA46911  Baccharis pilularis Doris K. Kildale 1925-12-25 1441 Humboldt Mouth of Eel River Comment
  UC169039  Baccharis pilularis Joseph P. Tracy 1912-10-20 4003 Humboldt Alton 30 Comment
  HSC29875  Baccharis pilularis subsp. consanguinea Thomas W. Nelson 1971-11-11 601 Humboldt Foot of Murray Rd., McKinleyville. Comment
  HSC89439  Barbarea verna P. A. Daly 1985-5-3 35 Humboldt Trinidad Head 61 Comment
  CAS-BOT-BC145787  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of South Yager Creek. 762 Comment
  HSC31759  Berberis aquifolium Timothy B. Devine 1974-5-4 316 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  UC774938  Berberis aquifolium var. aquifolium Carl B. Wolf 1937-8-13 9233 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit) 1219 Comment
  HSC73808  Berberis aquifolium var. repens M. A. Baker 1980-6-16 1930 Humboldt Near Monks Camp. 1097 Comment
  HSC57157  Berberis nervosa Overton, Butler 1979-7-26 9956 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  SDSU13767  Berberis nervosa Harvey 1938-8-14 2318 Humboldt U.S. 299. Arcata-Willow Creek. Comment
  HSC55339  Bistorta bistortoides Griswold, Butler 1979-7-12 7192 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  CAS-BOT-BC15801  Boechera acutina Joseph Prince Tracy 1932-7-11 10396 Humboldt Klamath Mountains. Trinity Summit. At Corral Prairie. 1524 Comment
  HSC102034  Botrychium multifidum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 937 Humboldt Patterson Meadows 1555 Comment
  HSC56263  Boykinia major G. L. Clifton, Griswold 1979-8-2 12420 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC97981  Boykinia major Cara Witte 2007-7-11 487 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  HSC45727  Boykinia occidentalis Patricia Shesgreen 1978-7-30 118 Humboldt Sea Lion Gulch, 50 yards from ocean along stream bank Comment
  HSC60020  Boykinia occidentalis M. A. Baker 1978-5-6 510 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  SEINET12012990  Brassica juncea M. A. Lane 1990-3-20 3296 Humboldt below US 101 & above Benbow Drive to Benbow Lake State Recreation Area Comment
  UC894169  Brickellia californica Carl D. Duncan 1920-9-22 Humboldt Hoopa Valley Comment
  UC581799  Brickellia greenei Joseph P. Tracy 1935-7-30 14361 Humboldt Salmon Summit 1767 Comment
  RSA385270  Briza maxima Bonnie C. Templeton 1964-6-13 100901 Humboldt Samoa [sand dunes], west of Arcata. Comment
  CAS-BOT-BC145568  Briza minor Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC9091  Briza minor John Warner Hosking 1966-8-5 Humboldt 12th anb B St., Arcata Comment
  UC1103342  Briza minor Joseph P. Tracy 1919-5-31 5141 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  UC1541547  Briza minor Harold E. Parks May, 1933 4302 Humboldt Spruce Cove Trinidad Comment
  SEINET200692  Brodiaea capitata Joseph P. Tracy 1925-5-30 7028 Humboldt Laribee Valley. 701 Comment
  HSC24375  Brodiaea elegans subsp. elegans J. O. Sawyer 1970-6-24 2245 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC35610  Brodiaea elegans subsp. elegans Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2022 Humboldt Beside Bald Hills Rd. 1 mi. E of Redwood National Park Comment
  HSC35816  Brodiaea elegans subsp. elegans Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1920 Humboldt Above Goat Rock, 2 mi. W of Bridgeville Comment
  RSA12519  Brodiaea elegans subsp. elegans Carl B. Wolf 1934-7-3 5917 Humboldt 21 miles from Orick on road to Weitchpec. 152 Comment
  UCSB16626  Brodiaea elegans subsp. elegans Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Greek on US299 822 Comment
  RSA249396  Brodiaea stellaris D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5697 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC3016  Brodiaea terrestris subsp. terrestris T. M. Mingo May 1965 Humboldt 100 ft. N of parking area at College Cove Comment
  SEINET11675365  Bromus carinatus J. P. Tracy 1951-1 19569 Humboldt Snow Camp-Twin Lakes vicinity Comment
  UC37585  Bromus carinatus var. carinatus Joseph Burtt Davy 1899-6-11 5408 Humboldt Summit above Hubbard's Station Comment
  UC552685  Bromus carinatus var. carinatus Joseph P. Tracy 1934-7-18 13423 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  RSA10039  Bromus commutatus Joseph P. Tracy 1933-6-9 12534 Humboldt Shively. On Eel River. 30 Comment
  UC1145143  Bromus commutatus Joseph P. Tracy 1917-6-24 4824 Humboldt along Eel River from South Fork to Scotia, Holmes Flat Holmes Flat; Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC212889  Bromus commutatus Joseph P. Tracy 1919-5-25 5138 Humboldt Northern Coast Ranges, at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  HSC79491  Bromus diandrus Kenneth Clark 1980-4-18 575 Humboldt 350 yds. S of Deadman's Gulch 8 Comment
  HSC9287  Bromus diandrus R. D. Modafferi 1965-5-9 52 Humboldt 0.2 mi. N of Trinidad on Trinity St. 305 Comment
  CAS-BOT-BC155425  Bromus hordeaceus Doris K. Kildale 1926-4-30 1930 Humboldt Frutland Hills. Harris Road. Comment
  HSC32487  Bromus hordeaceus Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide Comment
  HSC90691  Bromus hordeaceus Gail Newton 1982-5-31 3555 Humboldt Elk River Wildlife Area, Eureka Comment
  POM161048  Bromus hordeaceus Joseph P. Tracy 1919-5-25 5138 Humboldt Eureka. 0 Comment
  HSC70478  Bromus laevipes Gail Newton 1980-7-20 1634 Humboldt Near Bell Swamps 1426 Comment
  UC1103273  Bromus laevipes Joseph P. Tracy 1912-7-31 3934 Humboldt Northern Coast Ranges, summit of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  UC1103270  Bromus orcuttianus Joseph P. Tracy 1948-8-15 18125 Humboldt 2 mi e of Grove's Prairie (near Elk Camp, Trinity Summit); Trinity Summit 1554 Comment
  UC1131259  Bromus sterilis H. S. Yates 1936-6-17 5714 Humboldt near Burr Valley 914 Comment
  UC673075  Cakile edentula Joseph P. Tracy 1940-10-3 16739 Humboldt near Samoa (on Humboldt Bay); Humboldt Bay 3 Comment
  HSC95096  Cakile maritima Andrea Pickart 2002-7-2 150 Humboldt King Salmon Sand Spit 0 Comment
  HSC58535  Calamagrostis koelerioides Overton, Butler 1979-7-23 9442 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  SEINET10521063  Calamagrostis nutkaensis A. Arthur Heller 1924-7-24 Heller 13880 Humboldt Sandy soil in shaded places on the bluff at Numboldt County camp 7 miles south of Trinidad. Comment
  UC161051  Calandrinia ciliata Joseph P. Tracy 1904-4-24 2023 Humboldt dunes of beach at Humboldt Bay; Northern Coast Region Comment
  OBI33734  Calocedrus decurrens David J. Keil 1983-7-2 17316 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  UC1197689  Calochortus luteus Joseph P. Tracy 1912-7-31 3891 Humboldt nw slope Buck Mountain; Northern Coast Ranges, , Burr Valley 1066 Comment
  RSA113893  Calochortus tolmiei E. K. Balls, Lee W. Lenz 1955-5-15 20738 Humboldt 13.5 miles SW from Ferndale along Old Coast road to Capetown. 335 Comment
  UC1197674  Calochortus tolmiei Joseph P. Tracy 1930-7-6 8839 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC494359  Calochortus tolmiei W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  UC502923  Caltha biflora Joseph P. Tracy 1932-7-17 10671 Humboldt Ridges east of Corral Prairie, Trinity Summit; Klamath Mountains. 1828 Comment
  CAS-BOT-BC175760  Caltha leptosepala Doris Kildale 1931-5-10 10578 Humboldt Snow Camp Comment
  HSC56155  Caltha leptosepala G. L. Clifton, Griswold 1979-8-1 12016 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC405439  Calycadenia fremontii Chesnut and Drew 1888-8-1 Humboldt Lionse Creek Comment
  UC195065  Calycadenia truncata Joseph P. Tracy 1916-9-5 4755 Humboldt head of Canoe Creek Northern Coast Ranges, Grasshopper Ridge 609 Comment
  HSC65202  Calypso bulbosa T. Jimerson, J. Pageau 1979-5-1 446 Humboldt On FS 6N34C, Orleans Ranger District, Orleans Comment
  RSA168802  Calypso bulbosa Joseph P. Tracy 1950-5-7 18643 Humboldt Under firs: about 5 miles north of Bridgerville on the road to the South Yager Valley. Abundant in certain favored spots only. Comment
  SEINET12074106  Calypso bulbosa J. P. Tracy 1950-1 Humboldt Comment
  HSC102606  Calyptridium monospermum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1593 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC55198  Calyptridium monospermum G. L. Clifton, Terry Griswold 1979-8-2 12299 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1368471  Calyptridium monospermum R. K. Gierisch and D. H. Esplin 1969-1-7 3528 Humboldt Grouse Mountain; Six Rivers Forest, Grouse Mountain 1584 Comment
  HSC74405  Calyptridium umbellatum Gail Newton 1980-8-10 2017 Humboldt Near Blake Mtn. 1798 Comment
  CDA39891  Calystegia silvatica subsp. disjuncta Gordon Leppig 2001-7-8 1577 Humboldt Northern California - North Coast Region; Arcata, at the intersection of 11th and B Streets. 0 Comment
  CDA39887  Calystegia soldanella B. F. Kemp May 1958 1202 -58 Humboldt Mouth of Mad River. 0 Comment
  RSA296727  Calystegia soldanella J. P. Smith, T. W. Nelson, Smith 1977-6-30 9204 Humboldt Samoa Peninsula just east of the drag strip. Comment
  SEINET3992217  Camassia leichtlinii Unknown 1912-6-30 3717 Humboldt Eureka 61 Comment
  HSC16437  Camissonia cheiranthifolia J. W. Johnson 1961-9-4 1104 Humboldt Christenson Farm, Samoa Peninsula, Arcata. Comment
  HSC16540  Camissonia cheiranthifolia Paul Shields 1955-9-17 Humboldt 1/2 mi. S of mouth of Mad River Comment
  POM254099  Camissonia cheiranthifolia subsp. cheiranthifolia A. H. Harris, S. K. Harris, Clarence Crane Jr. 1939-8-23 970 Humboldt Samoa Comment
  RSA246929  Camissonia cheiranthifolia subsp. cheiranthifolia Robert F. Thorne, Percy C. Everett 1965-8-5 35150 Humboldt Samoa Dunes. 3 Comment
  RSA167258  Camissonia ovata Joseph P. Tracy 1951-5-5 19392 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town 61 Comment
  CAS-BOT-BC160244  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Philip A. Munz 1925-6-20 9891 Humboldt Clam Beach, 14 miles North of Eureka Comment
  SEINET10462885  Campanula prenanthoides Baker 1947-8-8 Baker 11925 Humboldt 10 mi along rd. from hwy. 101 N of Orick towards Hoopa. 610 Comment
  SEINET10462968  Campanula prenanthoides James P. Smith 1977-7-3 Smith, Jr. 9236 Humboldt Six Rivers National Forest; on the road to Onion Lake, 4.7 miles from it junction with State Route 36. T10N R4E Sec. 11 610 Comment
  SEINET10463219  Campanula prenanthoides Shields 1955-8-5 SHIELDS s.n. Humboldt 3 MI NW OF WEOTT, MOIST HILLSIDE Comment
  SEINET10463252  Campanula prenanthoides Tucker 1948-9-3 TUCKER 1859 Humboldt Road bank, Friday Ridge Road, just below Black Rock (junction of Friday Ridge Road and the Horse Mountain-Grouse Mountain road) Comment
  SEINET201621 Image available Campanula prenanthoides Joseph P. Tracy 1911-7-4 3286 Humboldt Hills slopes at W side of Trinity River near Willow Creek. 244 Comment
  SEINET10463516  Campanula scouleri Overton 1979-7-23 OVERTON 9497 Humboldt NR TITLOW HILL, WILLOW CR. QUAD., NR WILLOW CR. EVERGREEN CONIFER FOREST, SEEPAGE 1280 Comment
  SEINET10463748  Campanula scouleri Rattan 1883-6-30 RATTAN s.n. Humboldt Between Redwood Creek and Mad River Comment
  UC1199213  Capsella bursa-pastoris Joseph P. Tracy 1932-5-1 9885 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  HSC44638  Capsella bursa-pastoris Diane L. Reed 1978-5-7 67 Humboldt E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299 Comment
  HSC6624  Capsella bursa-pastoris Paul Shields Jul 1955 Humboldt 2 mi. S of Weott Comment
  UC302120  Cardamine angulata Joseph P. Tracy 1926-6-12 7588 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  HSC38209  Cardamine breweri Thomas W. Nelson, J. P. Smith 1976-4-25 2382 Humboldt Brazil Ranch E of Hwy. 101 near College of the Redwoods Comment
  HSC33178  Cardamine californica Thomas W. Nelson 1974-4-20 1184 Humboldt At Elk Head, N of Trinidad Comment
  HSC6697  Cardamine californica Lincoln Constance 1934-5-26 651 Humboldt Bull Creek Region; N Dyerville Flat grove near Founder's Tree 49 Comment
  HSC79520  Cardamine californica Kenneth Clark 1980-3-1 518 Humboldt Middle and upper terraces of Dead Man's Gulch 61 Comment
  UC30033  Cardamine californica W. C. Blasdale 1896-6-9 Humboldt Fitzgeralds Comment
  JEPS53400  Cardamine californica var. integrifolia Lincoln Constance 1934-5-26 651 Humboldt near Founders' Tree (North Dyerville Flat Grove, South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel R, North Dyerville Flat gr 48 Comment
  UC302042  Cardamine californica var. integrifolia Joseph P. Tracy 1926-3-28 7393 Humboldt Blue Slide on Van Duzen River; Northern Coast Ranges, Blue Slide on Van Duzen River 91 Comment
  HSC6640  Cardamine oligosperma John A. Dubois 1962-5-12 4 Humboldt 20 mi. E of Arcata Comment
  UC1103807  Cardamine oligosperma Joseph P. Tracy 1911-7-7 3396 Humboldt at the meadows on Mountain Side three mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges, nw jct Willow Creek w/ Trinity River 914 Comment
  HSC89611  Cardamine oligosperma M. Roantree 1985-5-24 66 Humboldt E side of Trinidad Head Comment
  SEINET201070  Carduus pycnocephalus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  JEPS79829  Carduus tenuiflorus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow Bald Mt. 762 Comment
  SEINET200666  Carex abrupta Joseph P. Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  JEPS25971  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  HSC96377  Carex arcta Gordon Leppig, Tony LaBanca 2005-9-21 2321 Humboldt Pacific Lumber Company land; Clark Mountain Fen, Headwaters of Root Creek on NW side of Clark Mountain. 400 Comment
  JEPS109914  Carex arcta Dean W. Taylor 2006-8-3 19573 Humboldt Lake Prairie; marshy area between the dam and the county road 1057 Comment
  HSC44020  Carex athrostachya Thomas W. Nelson, Jane P. Nelson 1977-7-4 3594 Humboldt Beside pond above Alder Springs 1585 Comment
  HSC70163  Carex athrostachya Thomas W. Nelson 1978-7-3 4411 Humboldt Along road to Anderson's Ford, McKeown Ranch 823 Comment
  UC562288  Carex barbarae Joseph P. Tracy 1932-6-14 10152 Humboldt Trinity River Valley at Willow Creek 152 Comment
  RSA246855  Carex bolanderi Robert F. Thorne, Percy C. Everett 1965-8-5 35136 Humboldt Mt. Chamisal: below summit. 747 Comment
  SEINET200965  Carex bolanderi Joseph P. Tracy 1914-7-5 4549 Humboldt Northern Coast Ranges Bald Mountain between High Prairie and Snow Camp. 1067 Comment
  UC1598405  Carex buxbaumii Joy Mastrogiuseppe 1987-6-4 4571 Humboldt in middle bog Big Lagoon Sphagnum bog Comment
  UC1103598  Carex concinnoides Joseph P. Tracy 1926-6-27 7681 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC562723  Carex concinnoides Joseph P. Tracy 1927-4-23 7911 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 60 Comment
  UC1103599  Carex concinnoides Joseph P. Tracy 1927-6-19 8202 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 15 Comment
  HSC103366  Carex densa Thomas W. Nelson, Jane Nelson 1982-7-11 7114 Humboldt Along road from Hindley's cabin on McKeown Ranch to Anderson's Ford at Mad River Comment
  JEPS113012  Carex deweyana subsp. leptopoda Dean W. Taylor 1991-8-15 12280 B Humboldt Snow Camp Lake 1310 Comment
Read comments
Apr 8 2012
  SDSU11699  Carex deweyana subsp. leptopoda W. A. Bemis 1964-5-4 274 Humboldt Freshwater Forest, Freshwater. (SE1/4, SE1/4, Sec. 28, T6N, R1E, HBM. 98 Comment
  HSC96492  Carex echinata subsp. phyllomanica Gordon Leppig 1998-6-8 798 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  UC249750  Carex garberi Joseph P. Tracy 1924-7-13 6721 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC1103566  Carex geyeri Joseph P. Tracy 1947-7-9 17858 Humboldt Horse Mountain 1432 Comment
  HSC45022  Carex globosa R. Sutherland 1978-4-24 2 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  UC562729  Carex gynodynama Joseph P. Tracy 1927-5-8 7969 Humboldt Northern Costa Ranges. Phillipsivelle, facing south Fork of Eel River. 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
  SEINET3901638  Carex hendersonii Thomas Nelson 1978-6-10 4416 Humboldt Eureka Quad. Behind Eureka Seventh Day Advent Church on F St.; 0 61 Comment
  SEINET7854031 Image available Carex hendersonii V. Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of Eel River Comment
  CAS-BOT-BC28164  Carex hoodii Joseph Prince Tracy 1932-7-11 10410 Humboldt Trinity Summit, Open places at Corral Prairie. Comment
  UC115803  Carex hoodii Joseph P. Tracy 1939-7-9 16343 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC35566  Carex jonesii Joseph Prince Tracy 1932-7-15 10573 Humboldt Trinity Summit, at Corral Prairie 1584 Comment
  UC562285  Carex laeviculmis Joseph P. Tracy 1932-7-16 10635 Humboldt Corral Prairie Trinity summit 1584 Comment
  CAS-BOT-BC7789  Carex laeviculmis Joseph Prince Tracy 1914-7-4 4524 Humboldt High Prairie on Bald Mountain. 1066 Comment
  UC562633  Carex leporina Joseph P. Tracy 1936-6-28 15014 Humboldt near Murphy Meadow (Bald Mountain); Bald Mountain 1066 Comment
  SEINET10710170  Carex leptopoda David Castaner 1989-6-19 Castaner 10248 Humboldt Fern Canyon. Comment
  CAS-BOT-BC31584  Carex luzulina var. luzulina Joseph Prince Tracy 1930-7-16 8987 Humboldt South Fork Mountain, in wet meadow at McKay Camp. 1676 Comment
  UC562666  Carex multicostata Joseph P. Tracy 1935-5-25 13865 Humboldt Fort Seward 106 Comment
  CAS-BOT-BC119657  Carex neurophora Joseph Prince Tracy 1935-7-23 14143 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  JEPS80023  Carex nudata Joseph P. Tracy 1911-6-4 3220 Humboldt along Little River 5 mi from coast; Northern Coast Region, Little River 121 Comment
  UC1142  Carex nudata Harley P. Chandler May 1901 1235 Humboldt redwood belt North Coast Ranges 91 Comment
  CAS-BOT-BC119540  Carex nudata Henry M. Pollard 1945-8-25 s.n. Humboldt Orleans Bridge, Klamath River Canyon Comment
  SEINET10850491  Carex nudata Harley P. Chandler Chandler 1235 Humboldt Redwood Belt. Comment
  CHSC10107  Carex obnupta J. W. Johnson 1961-8-17 1055 Humboldt Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  RSA702711  Carex obnupta L. P. Janeway, B. Castro 2004-9-10 8319 Humboldt North Coast. South Spit of Humboldt Bay, 3.6 km north-northeast of Table Bluff Lighthouse site; between South Spit Road and the Humboldt Bay mudflats. 2 Comment
  JEPS80020  Carex obnupta Joseph P. Tracy 1912-6-16 3701 Humboldt above edge of salt marsh at Hookton Northern Coast Region, Humboldt Bay, Hookton 0 Comment
  HSC65948  Carex ovalis M. A. Baker 1980-7-19 2991 Humboldt Near Bret Hole. 1814 Comment
  CAS-BOT-BC119225  Carex pachystachya Joseph Prince Tracy 1935-6-23 13984 Humboldt French Camp Ridge. 1066 Comment
  HSC82544  Carex pachystachya Thomas W. Nelson 1979-7-11 5005 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC302099  Carex pachystachya Joseph P. Tracy 1911-7-7 3390 Humboldt three mi nw junction of Willow Creek with Trinity River (at meadows on mt. side, near Beebe's Ranch); Northern Coast Ranges; NW of junction of Willow Creek w/ Trinity River, Humboldt Co., near Beebe's Ranch. 914 Comment
  SEINET10817662  Carex pachystachya Lawrence P. Janeway 1984-6-17 Janeway 847 Humboldt Willow Creek quad (15'). T6N, R4E, NW1/4 of sec. 33. Damp drainage along cutbank of Titlow Hill Rd at turn to Horse Mtn. Serpentine in jeffrey pine forest. 1420 Comment
  UC1103580  Carex pachystachya Joseph P. Tracy 1927-6-19 8204 Humboldt Big Lagoon Northern Coast Region 6 Comment
  CAS-BOT-BC119165  Carex pansa David Daniels Keck 1938-8-5 4766 Humboldt Calm Beach in dunes. Comment
  CAS-BOT-BC118821  Carex preslii R. Tallent 1987-8-11 893 Humboldt Six Rivers National Forest. Roadside S of Horse Mtn. 1449 Comment
  CAS-BOT-BC118008  Carex rossii Joseph Prince Tracy 1932-5-10 9937 Humboldt Bear River Redge, on open grassy hills. 609 Comment
  HSC70466  Carex rossii J. P. Tracy 1904-5-1 2045 Humboldt Eureka 0 Comment
  JEPS80022  Carex serratodens Joseph P. Tracy 1926-6-27 7692 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1219 Comment
  SEINET4170216  Carex unilateralis Unknown 1921-6-12 5828 Humboldt Butler Valley 152 Comment
  UC1103614  Carex vesicaria Joseph P. Tracy Jul 16 1930-Jul 19 1930 8988 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC2871  Carpobrotus chilensis D. B. Mitchell 1965-5-21 71 Humboldt 1/2 mi. N of U.S. Coast Guard Station on Samoa Rd. Comment
  JEPS25062  Castilleja affinis subsp. affinis Joseph P. Tracy 1942-7-1 17366 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Van Duzen River 762 Comment
  HSC23744  Castilleja affinis subsp. litoralis Tim Baroni 1971-7-6 115 Humboldt 3 mi. S of Ferndale on Mattole Rd. Comment
  HSC30755  Castilleja affinis subsp. litoralis Thomas W. Nelson 1974-4-20 1180 Humboldt Elk Head, N of Trinidad Comment
  JEPS25063  Castilleja affinis subsp. litoralis Joseph P. Tracy 1947-5-24 17692 B Humboldt Big Lagoon 152 Comment
  JEPS66408  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1971-7-1 2668 Humboldt ca 4 mi n bridge across Big Lagoon (along U.S. Highway 101, n of Big Lagoon) 60 Comment
  UC1541375  Castilleja affinis subsp. litoralis Harold E. Parks 1934-5-1 4828 Humboldt Trinidad; Spruce Cove Comment
  RSA18017  Castilleja ambigua subsp. humboldtiensis Carl B. Wolf 1927-8-22 776 Humboldt Big Lagoon. Comment
  JEPS3826  Castilleja applegatei subsp. martinii Joseph P. Tracy 1932-5-22 10118 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  HSC56127  Castilleja miniata G. L. Clifton, Griswold 1979-8-1 11925 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC56134  Castilleja miniata G. L. Clifton, Griswold 1979-8-1 11952 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC199407  Castilleja pruinosa P. E. Goddard 1907-6-5 . 115 Humboldt Van Duzen Comment
  JEPS82239  Ceanothus Roger Raiche 1983-7-18 30529 Humboldt 0.6 mi n intersection of Shelter Cove Rd (King Peak Rd); King Range Comment
  UC1502106  Ceanothus R. Sutherland 1975-5-13 2 G.13 75 Humboldt Pt. Delgada Quad. 509 Comment
  CAS-BOT-BC49314  Ceanothus cuneatus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  CAS-BOT-BC49656  Ceanothus foliosus var. foliosus Carl B. Wolf 1941-7-29 11093 Humboldt Along the Redwood Highway, 7/10 mi. no. of Jnct. with State Highway #1 from Ft. Bragg. 60 Comment
  CAS-BOT-BC49657  Ceanothus foliosus var. foliosus C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Ridge near Needle Roack Cross Roads, SW corner of Humboldt Co. Comment
  HSC37594  Ceanothus foliosus var. foliosus R. Sutherland 1975-5-17 0 .17575 Humboldt Along Horse Mtn. Rd 518 Comment
  CAS-BOT-BC50048  Ceanothus incanus Doris K. Kildale 1926-4-2 1715 Humboldt Briceland Bridge 1/2 miles West of Garberville 114 Comment
  POM118617  Ceanothus incanus Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville. Comment
  RSA399868  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8050 Humboldt Road to Shelter Cove, 5 miles from the Whitehorn Ettersburg jct, roadside in mixed evergreen woodland Comment
  UCD112167  Ceanothus incanus B. L. Kay 1955-4-10 s.n. Humboldt Wagner Ranch, 5 miles southwest of Garberville. Comment
  HSC18292  Ceanothus integerrimus Francis Winter 1960-5-7 Humboldt 1.0 mi. E of Hoopa along Hoopa-Willow Creek Hwy. 152 Comment
  JEPS42112  Ceanothus integerrimus Chesnut and Drew 1888-7-9 Humboldt Kneeland Prairie Comment
  HSC36672  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 2 .11775 Humboldt Along county rd. 305 Comment
  HSC37607  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 10 .11775 Humboldt Along county rd. 244 Comment
  UC1039820  Ceanothus oliganthus var. sorediatus J. I. Mallory 1956-4-26 125 Humboldt Long Ridge Quad. 28-A-3 (Humboldt base and Mer.) 762 Comment
  HSC43183  Ceanothus parryi R. Sutherland 1975-7-5 12 .5775 Humboldt 244 Comment
  JEPS42121  Ceanothus parryi E. Fritz Apr. 1934 Humboldt Philipsville Comment
  UC249582  Ceanothus parryi Joseph P. Tracy 1921-5-27 5808 Humboldt near Humboldt-Mendocino County line; Northern Coast Ranges, South Fork of Eel River 152 Comment
  UC502946  Ceanothus parryi Joseph P. Tracy 1932-5-1 9865 Humboldt vicinity Garberville; Northern Coast Ranges, vicinity of Garberville 121 Comment
  CAS-BOT-BC51208  Ceanothus parryi W. R. Dudley 1899-6-1 s.n. Humboldt Near grade descending from the hills to Eel River Comment
  CAS-BOT-BC52045  Ceanothus prostratus Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC18314  Ceanothus pumilus Francis Winter 1960-4-24 Humboldt Along rd., French Camp Ridge 915 Comment
  HSC23274  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1291 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  HSC23295  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1305 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  HSC43189  Ceanothus pumilus R. Sutherland 1976-4-24 1 .24476 Humboldt 518 Comment
  CAS-BOT-BC52988  Ceanothus thyrsiflorus A. A. Heller 1937-6-11 15916 Humboldt Sandy bluff above Patric Point State park, near Big Lagoon Comment
  HSC12431  Ceanothus thyrsiflorus Gary J. Stebbins 1970-2-22 12 Humboldt Along Hwy. 299 0.5 mi W of Mad River bridge Comment
  HSC18328  Ceanothus thyrsiflorus J. F. Knezevich 1968-5-14 442 Humboldt 11 mi. S of Ferndale on rd. to Cape Mendocino 305 Comment
  RSA31956  Ceanothus thyrsiflorus A. A. Heller 1937-6-11 15916 Humboldt Sandy bluff above Patric Point State Park near Big Lagoon Comment
  OBI44966  Ceanothus thyrsiflorus var. thyrsiflorus Midred J. Cady 1938-7-14 s.n. Humboldt Near Trinidad Comment
  HSC37061  Ceanothus velutinus R. Sutherland 1975-6-19 0 .19675 Humboldt 320 Comment
  HSC41282  Ceanothus velutinus Brad Klipfel 1974-7-23 472 Humboldt Horse Mtn. Comment
  RSA21587  Ceanothus velutinus var. laevigatus Carl B. Wolf 1937-8-13 9232 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC1222952  Centaurea cyanus Joseph P. Tracy 1942-7-18 17281 Humboldt near Garberville Comment
  UC1222953  Centaurea cyanus Joseph P. Tracy 1948-8-8 18097 Humboldt halfway between Bridgeville and head of S. Yager Bridgeville Comment
  UC1119132  Centaurea melitensis H. L. Person 1932-7-23 Humboldt road e of Korbel; Eureka Quadrangle Comment
  UC1222950  Centaurea melitensis Joseph P. Tracy 1943-11-28 17455 Humboldt bar at mouth of Van Duzen Eel River; , Van Duzen Comment
  CDA7306  Centaurea nigra K. E. Frick 1961-8-16 Humboldt Eureka. Near fairgrounds. 0 Comment
  CDA7311  Centaurea pratensis E. C. Whitney, R. E. Talbert 1966-8-4 Humboldt Weitchpec. Hoopa Reservation. 0 Comment
  UC582526  Centaurea solstitialis Joseph P. Tracy 1933-8-27 13002 Humboldt 2 to 5 mi e of South Fork (along Eel River); Eel River 45 Comment
  UC673086  Centaurea solstitialis Joseph P. Tracy 1940-10-17 16759 Humboldt near Dyerville (South Fork Station) 45 Comment
  OBI14120  Centaurium erythraea Joseph P. Tracy 1948-9-26 18236 Humboldt Fickle Hill, 6 mi SE of Arcata Comment
  UC566944  Centaurium muehlenbergii H. L. Mason 1928-7-14 4903 Humboldt near Garberville; East Fork of Eel River Comment
  RSA12461  Centaurium muehlenbergii Carl B. Wolf 1934-6-30 5832 Humboldt One half mile from Briceland on road to Garberville. 91 Comment
  BLMAR299  Centaurium tenuiflorum Clara Sander 2002-7-16 299 Humboldt King range, East of Capetown, growing east of wildcat rd 152 Comment
  UC13533  Cephalanthera austiniae Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  JEPS64317  Cephalanthera austiniae Chesnut and Drew 1888-1 Humboldt Comment
  HSC99675  Cephalanthus occidentalis J. Wendell Howe 1934-7-9 1293 Humboldt Near Weaverville Comment
  CAS-BOT-BC384900  Cerastium arvense Doris K. Kildale 1929-5-26 9142 Humboldt Klamath River at Orleans 152 Comment
  UC1198319  Cerastium arvense Joseph P. Tracy 1927-5-15 8049 Humboldt ridge w. of Hoopa Valley (up Supply Creek); Supply Creek 304 Comment
  HSC98809  Cerastium fontanum subsp. vulgare Cara Witte 2008-8-5 986 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  UCD98024  Cerastium glomeratum Linda M. Barker 1976-4-13 1381 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC83997  Cerastium glomeratum L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 220 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  HSC89494  Cerastium glomeratum P. A. Daly 1986-2-28 56 Humboldt Trinidad Head, along trail 61 Comment
  HSC14611  Cercis occidentalis R. A. Rasp 1964-4-5 27 Humboldt 3 mi. past Willow Creek on Willow Creek Rd. Comment
  POM161037  Cercis occidentalis Joseph P. Tracy 1922-4-30 s.n. Humboldt Trinity River Valley, near Willow Creek. 152 Comment
  UC478904  Cercis occidentalis Marcus E. Jones, A. M. 1931-7-16 28996 Humboldt e Arcata; Junction Comment
  UC902138  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1946-7-7 17612 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC582766  Chaenactis douglasii var. douglasii Joseph P. Tracy 1935-7-30 14357 Humboldt Salmon Summit 1767 Comment
  SD29532  Chamaebatia foliolosa Edmund R. Cross 1942-6-23 Humboldt High Sierra Trail, Sequoia National Park Comment
Read comments
Oct 26 2014
  CAS-BOT-BC85651  Chamaecyparis lawsoniana Thomas Nelson 1977-10-20 3758 Humboldt Mixed evergreen forest above junction of Maple Creek and Kneeland roads. 853 Comment
  CAS-BOT-BC85700  Chamaecyparis lawsoniana Carl B. Wolf 1927-8-28 s.n. Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Road, to Blue Lake. Comment
  HSC99569  Chamaesyce serpillifolia subsp. serpillifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 234 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-BC166042  Chamerion angustifolium subsp. circumvagum 1878-1-1 s.n. Humboldt Unspecified Comment
  UC1122501  Chamerion angustifolium subsp. circumvagum H. L. Person 1931-7-30 Humboldt Fieldbrook Eureka Quadrangle Comment
  CAS-BOT-BC68265  Cheilanthes gracillima Marshall Avery Howe 1896-6-6 s.n. Humboldt Kneeland Prairie Comment
  HSC55159  Cheilanthes gracillima Gilbert Muth 1979-8-1 12120 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  JEPS59733  Chenopodium botrys W. L. Jepson 1932-7-30 16461 Humboldt Bull Creek 121 Comment
  UC1225781  Chenopodium murale Joseph P. Tracy 1948-1-11 17949 Humboldt Eureka 30 Comment
  CAS-BOT-BC451384  Chimaphila menziesii Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  HSC54505  Chimaphila umbellata Overton, Butler 1979-7-23 9403 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  CAS-BOT-BC451494  Chimaphila umbellata Milo S. Baker 1947-8-10 11899 Humboldt 15 mi. NE of Hoopa near end of forest road 1371 Comment
  RSA43899  Chimaphila umbellata subsp. occidentalis H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1372 Comment
  RSA21445  Chimaphila umbellata subsp. occidentalis C. B. Wolf 1937-8-12 9209 Humboldt North Coast Range, South Fork Mountain, 0.6 miles S of Blake Lookout. 1677 Comment
  HSC73034  Chrysolepis chrysophylla M. A. Baker 1980-6-7 1791 Humboldt Near Brush Mtn. 1128 Comment
  JEPS46614  Chrysolepis chrysophylla Rimo Bacigalupi Oct 1935 Humboldt Mad River; C.C.C. Camp Comment
  UCSB1015  Chrysolepis chrysophylla Muller, Cornelius 1954-6-21 Humboldt 8 mi. ESE of Mad River on road to Forest Glen Comment
  HSC99490  Chrysolepis chrysophylla var. chrysophylla K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 149 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
  OBI14344  Chrysolepis chrysophylla var. minor Carl B. Wolf 1937-9-13 9338 Humboldt North Coast range, summit of Grouse Mt Comment
  CAS-BOT-BC184830  Cinna latifolia Joseph P. Tracy 1935-7-25 14244 Humboldt Trinity Summit. Lower end of Brett Hole. 1584 Comment
  HSC58807  Cinna latifolia G. L. Clifton 1979-7-31 11865 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC53826  Circaea alpina subsp. pacifica Griswold, Butler 1979-7-10 6273 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  CDA1114  Cirsium brevistylum T. R. Haig, T. C. Fuller 1959-6-12 2792 Humboldt 8 mi. N/ Trinidad. 0 Comment
  SEINET200853  Cirsium breweri Joseph P. Tracy 1924-7-6 6717 Humboldt Near Ruby Creek on the Willow Creek Hwy north coast ranges Comment
  HSC98616  Cirsium cymosum var. cymosum Cara Witte 2007-7-10 472 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  BLMAR107  Cirsium occidentale var. candidissimum Jennifer Anthony-Wheeler 1994-7-26 107 Humboldt Lacks Creek, growing on dry exposed banksurrounded by doug fir 1158 Comment
  RSA418966  Cirsium vulgare Lyman Benson 1928-7-12 417 Humboldt Weott Ranger Station, Seaward N. Coast Mt. Range, South Fork Eel River Watershed. 61 Comment
  UCD130816  Cirsium vulgare R. E. Nelson 1956-7-3 192 a Humboldt 1.5 miles south of Brush Mountain in vicinity of Salyer , Six Rivers National Forest. 792 Comment
  UC1122363  Clarkia amoena H. S. Yates 1936-6-23 5875 Humboldt 4 mi nne Cathays Peak; Dyerville Quadrangle Comment
  CAS-BOT-BC160956  Clarkia amoena subsp. amoena Doris K. Kildale 1926-6-27 2184 Humboldt McClellan Mountain 822 Comment
  UC204004  Clarkia amoena subsp. amoena Joseph P. Tracy 1918-7-3 4989 Humboldt Wilder Ridge Northern Coast Ranges, Kings Peak Range 762 Comment
  CAS-BOT-BC164180  Clarkia concinna Harley P. Chandler 1901-6-1 1325 Humboldt Hupa Indian Reservation 152 Comment
  POM247174  Clarkia purpurea subsp. purpurea Joseph P. Tracy 1933-7-3 12634 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UCSB23037  Clarkia purpurea subsp. quadrivulnera Tracy, Joseph 1936-6-10 Humboldt south fork of Trinity river; mountain slopes west of its mouth 457 Comment
  HSC98104  Clarkia rhomboidea Cara Witte 2007-6-20 309 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  RSA298976  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Bull Creek Region, South Fork Eel River. Summit of Grasshopper Peak 976 Comment
  SEINET10492532  Clarkia rhomboidea Lincoln Constance 1934-6-15 Constance 880 Humboldt Summit of Grasshopper Peak, South Fork EeL River, Bull Creek Region. 3200 feet. 975 Comment
  UCD150389  Claytonia cordifolia Harry A. George 1967-7-13 s.n. Humboldt Pepperwood. Comment
  HSC36519  Claytonia exigua subsp. exigua J. D. Ackerman, A. M. Montalvo 1973-3-27 48 Humboldt 1.5 mi. N of Manila 6 Comment
  HSC74245  Claytonia exigua subsp. exigua M. A. Baker 1980-7-11 2806 Humboldt Near Red Mtn. 1433 Comment
  HSC17709  Claytonia parviflora subsp. parviflora Elrid H. Spinas 1948-5-22 34 Humboldt Horse Mtn. Comment
  HSC89475  Claytonia perfoliata subsp. mexicana P. A. Daly 1986-3-12 90 Humboldt Trinidad Head, along trail 61 Comment
  HSC95727  Claytonia perfoliata subsp. perfoliata Steven Lee 2004-4-11 14 Humboldt 1 mi. N on scenic drive from Westhaven offramp on Hwy. 101, beach trail access N of Houda Pt. Comment
  SEINET181192 Image available Claytonia perfoliata subsp. perfoliata Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15107 Humboldt Bolling Grove State Park. Comment
  HSC99411  Claytonia rubra subsp. rubra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 60 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-BC443893  Claytonia sibirica Carl B. Wolf 1927-8-22 799 Humboldt Big Lagoon Comment
  HSC89441  Claytonia sibirica P. A. Daly 1985-5-3 36 Humboldt Trinidad Head 61 Comment
  UC1052461  Claytonia sibirica H. E. Parks Apr 1933 1421 Humboldt Spruce Cove; Trinidad Comment
  CAS-BOT-BC443885  Claytonia sibirica Ella Dales Cantelow 1938-10-26 2185 Humboldt Nr. Red Cap Creek, S.W. of Orleans Comment
  SEINET9315908  Claytonia sibirica Unknown 1932-7-14 10536 Humboldt Trinity Summit Comment
  UC672991  Claytonia sibirica Joseph P. Tracy 1933-5-20 12273 Humboldt near Cape Mendocino (Cape Ridge); Cape Ridge 304 Comment
  UCD100893  Claytonia sibirica D. Sanchez-Mata; S. Rivas-Martinez, M. Costa and M. Ladero 1998-6-10 s.n. Humboldt Trinidad-Klamath Glenn. Prairie Creek State Park. Prairie Creek Trail. 125 Comment
  JEPS60567  Clematis ligusticifolia W. L. Jepson 1936-8-12 17887 Humboldt S. Fork Eel River, Philipsville Comment
  UC1196209  Clematis ligusticifolia Joseph P. Tracy 1922-10-1 6118 Humboldt Van Duzen R. near Carlotta; Northern Coast Ranges, Van Duzen R. 30 Comment
  HSC14390  Clinopodium douglasii S. V. Thompson 1967-7-24 21 Humboldt Back from beach Comment
  CAS-BOT-BC499335  Clintonia andrewsiana H. C. Cantelow 1936-5-17 1341 Humboldt 3 mi. E. of Oriak Comment
  RSA39092  Clintonia andrewsiana Philip A. Munz 1948-8-15 12359 Humboldt Van Duzen Redwood State Park. Comment
  HSC72683  Clintonia uniflora J. P. Smith 1977-7-3 9265 Humboldt Onion Lake Comment
  CAS-BOT-BC499961  Clintonia uniflora L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp 1219 Comment
  UC1197659  Clintonia uniflora Joseph P. Tracy 1930-7-16 8966 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  JEPS25056  Collinsia grandiflora Joseph P. Tracy 1922-5-29 6077 Humboldt South Yager Creek Valley 762 Comment
  HSC99026  Collinsia linearis Cara Witte 2008-7-1 788 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 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
  HSC45793  Collinsia parviflora J. P. Smith, J. O. Sawyer 1973-5-12 6691 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC31203  Collinsia rattanii D. E. Anderson 1972-6-20 5744 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC76564  Collomia grandiflora Denis Kearns 1981-7-22 311 Humboldt Near Whiteys Peak 1487 Comment
  RSA135456  Collomia grandiflora Volney Rattan 1878-1 s.n. Humboldt Humboldt. Comment
  UC52545  Collomia grandiflora Mrs. M. H. Manning June, 1902 Humboldt Hupa Comment
  HSC97946  Collomia grandiflora Cara Witte 2007-6-27 368 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  UC52837  Collomia grandiflora Joseph Burtt Davy and Walter C. Blasdale 1899-5 5770 Humboldt hills around Hoopa Valley 304 Comment
  RSA71937  Collomia heterophylla F. W. Peirson 1926-7-12 7035 Humboldt Redwood Creek bottom landes below bridge, Orick Comment
  SEINET7963087 Image available Collomia heterophylla S. K. Harris 1942-1 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E 600 Comment
  UC1197841  Collomia heterophylla Joseph P. Tracy 1940-7-7 16668 Humboldt rocky bank Grouse Mt. 1463 Comment
  HSC55602  Collomia tinctoria Overton, Butler 1979-7-23 9424 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC1197858  Collomia tracyi Joseph P. Tracy 1933-8-30 13052 Humboldt gravelly opening in woods North Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC180241  Comandra umbellata subsp. californica Doris K. Kildale 1926-5-2 1867 Humboldt Willow Brook, rocky terrace on Trinity River 152 Comment
  CHSC26757  Conium maculatum M. S. Taylor 1977-8-5 1433 Humboldt Around bridge over Eel River, at the turnoff from Hwy 101 to Ferndale, in Fernbridge. Comment
  CAS-BOT-BC181546  Coptis laciniata Lincoln Constance; Reed C. Rollins 1942-5-11 2868 Humboldt Three miles west of East Fork of willow Creek Comment
  RSA0049662  Coptis laciniata Dean Wm. Taylor 2011-5-4 21115 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junciton with Highway 36 734 Comment
  HSC99341  Corallorhiza maculata T. Jimerson, J. Pageau 1979-6-12 526 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  UC176373  Corallorhiza maculata Joseph P. Tracy 1913-6-17 4191 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1524 Comment
  HSC27568  Corallorhiza mertensiana J. D. Ackerman, A. Montalvo 1973-7-4 95 Humboldt Grogan Hole Rd, 18 mi. E of Hoopa Comment
  UC1196458  Corallorhiza mertensiana Joseph P. Tracy 1926-6-6 7580 Humboldt Hoopa Mountain Northern Coast Ranges (near summit on road from Hoopa to Bair's) 1066 Comment
  JEPS79876  Corallorhiza striata Joseph P. Tracy 1918-5-28 4935 Humboldt on slope below High Prairie (near Redwood Creek); Northern Coast Ranges 609 Comment
  BLMAR311  Cordylanthus maritimus subsp. palustris Jennifer Anthony-Wheeler 2002-7-1 311 Humboldt South Spit 6 Comment
  CAS-BOT-BC101145  Corethrogyne filaginifolia Joseph P. Tracy 1936-8-17 15157 Humboldt Arcata Bottom 15 Comment
  UC1601151  Corethrogyne filaginifolia Joseph P. Tracy 1934-7-21 13474 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  RSA286351  Corethrogyne filaginifolia var. californica R. F. Thorne 1974-7-29 45073 Humboldt Samoa Dunes. Comment
  CAS-BOT-BC212008  Cornus nuttallii C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC100453  Cornus nuttallii Carl C. Marshall Jun 1886 283 Humboldt Bald Hills. Comment
  HSC95877  Cornus nuttallii Will Ferrand 2002-4-27 30 Humboldt 1.0 mi. E of intersection of Hwy. 299 and Willow Creek Rd. 198 Comment
  UC1196911  Cornus nuttallii Joseph P. Tracy 1908-6-9 2675 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC212179  Cornus sericea Joseph P. Tracy 1929-8-18 8653 Humboldt Dinsmore's Ranch, on Van Duzen River opposite Buck Mountain 670 Comment
  HSC76355  Cornus sericea subsp. sericea Denis Kearns 1981-7-23 418 Humboldt Near Whiteys Peak. 1524 Comment
  UC502981  Cornus sericea subsp. sericea Joseph P. Tracy 1929-8-18 8654 Humboldt opposite Buck Mt. (on Van Duzen R., Dinsmore's Ranch); Northern Coast Ranges, Van Duzen R., Dinsmore's Ranch 670 Comment
  RSA46844  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat. Comment
  UC154069  Cornus sessilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5634 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  UC1199210  Coronopus didymus Joseph P. Tracy 1932-10-30 10901 Humboldt Eel River, Alton to Fortuna Eel River; Northern Coast Region, Eel River 15 Comment
  UC1199212  Coronopus didymus Joseph P. Tracy 1946-5-30 17540 1/2 Humboldt vicinity of Carlotta 30 Comment
  HSC6682  Coronopus didymus Lincoln Constance 1934-6-18 902 Humboldt S Fork Eel River, border of N Dyerville Flat, near S Fork RR Station and PO Comment
  CAS-BOT-BC190003  Cortaderia jubata T. C. Fuller 1966-10-4 15238 Humboldt East side of Big Lagoon. In 1100 acres, slope north above headquarters of Georgia Pacific Lumber Compan. Comment
  HSC93466  Cortaderia selloana Gordon Leppig 1998-10-26 1106 Humboldt Arcata, Bayside Rd. at Crescent Way 6 Comment
  HSC31123  Corylus cornuta subsp. californica J. O. Sawyer 1970-6-24 2260 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  LA204121  Corylus cornuta subsp. californica Carl Epling; William Robison 1935-7-25 sn Humboldt Devoy Grove of Redwoods Comment
  UC1223035  Cotula australis J. P. Tracy 1943-10-8 17447 Humboldt Eureka Comment
  UC198581  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton Northern Coast Region, Alton 30 Comment
  POM126151  Crataegus suksdorfii Joseph P. Tracy 1922-6-18 6097 Humboldt Valley along head of S Yoga Creek. 762 Comment
  HSC57662  Crepis acuminata G. L. Clifton, Griswold 1979-7-25 10838 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UCR122363  Crepis capillaris George K. Helmkamp, E. A. Helmkamp 2001-7-8 6992 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
  CAS-BOT-BC291487  Crepis capillaris L. R. Abrams 1927-8-31 12055 Humboldt Marshes between Arcata and Eureka along highway Comment
  CAS-BOT-BC290910  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto [Horse Linto] Creek 152 Comment
  HSC5459  Crocidium multicaule H. E. Parks 1930-5-25 867 Humboldt Laribee Valley 762 Comment
  RSA201792  Crocidium multicaule Roman Gankin, W. R. Hildreth 1966-3-15 700 Humboldt On serpentine slopes of Klamath River canyon, State Highway 96, 4.6 miles north of Hoopa. Comment
  UC1103234  Crypsis vaginiflora Joseph P. Tracy 1931-9-7 9668 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC58122  Cryptantha affinis G. L. Clifton, Griswold 1979-8-1 12093 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 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
  SEINET12280859  Cryptantha milobakeri J. P. Tracy 1949-1 18469 Humboldt E of headwaters of Redwood Creek, south from Grouse Mt., 2-6 miles 1280 Comment
  HSC102630  Cryptantha torreyana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1615 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC594247  Cryptantha torreyana S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3425 Humboldt nw slopes Buck Mountain 822 Comment
  RSA639037  Cuscuta californica R. F. Thorne, P. C. Everett 1965-8-7 35226 Humboldt Samoa Peninsula. 3 Comment
  UC604649  Cuscuta campestris Joseph P. Tracy 1938-8-28 16138 Humboldt Stone Lagoon Beach 6 Comment
  UC562675  Cuscuta occidentalis Joseph P. Tracy 1930-8-17 9160 Humboldt Big Lagoon 3 Comment
  JEPS93171  Cuscuta salina var. major Margriet Wetherwax and Kevin Downing 1993-8-9 2459 Humboldt on E side of Humboldt Bay, just N of Eureka; S side of Eureka Slough, near Bayside Road and Myrtle. Marsh at end of the road to church 5 Comment
  UC902067  Cuscuta suksdorfii Joseph P. Tracy 1949-8-4 18430 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC82128  Cycladenia humilis D. K. Imper 1985-6-18 Humboldt At ridgetop 1.5 mi. N of Whitey's Peak 1707 Comment
  HSC10939  Cynodon dactylon D. E. Anderson 1965-6-10 3788 Humboldt Along Hwy. 101 in south part of Eureka Comment
  HSC99285  Cynoglossum grande Jimerson, J. Pageau 1979-5-24 482 Humboldt Near Orleans 143 Comment
  HSC97375  Cynosurus cristatus J. P. Smith 2005-6-11 12136 Humboldt Humboldt State University Campus, along B St. at back entrance to the Natural Resources Bldg. Comment
  CAS-BOT-BC190376  Cynosurus echinatus David D. Keck 1948-7-1 5977 Humboldt Northeast end of Big Lagood [Lagoon]. Comment
  HSC37238  Cynosurus echinatus Lon Hall 1975-6-19 406 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  UC1056066  Cynosurus echinatus J. I. Mallory 1955-6-7 114 Humboldt n end Luke Prairie; Quad. 29-B-3, n end of Luke Prairie 350 Comment
  UC1103245  Cynosurus echinatus Joseph P. Tracy 1947-6-28 17753 Humboldt Larrabee Valley 731 Comment
  SEINET11676331  Cynosurus echinatus L. K. Henry 1971-1 s.n. Humboldt along Rt. 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  HSC45955  Cyperus eragrostis J. P. Smith, Steve Selva 1970-6-14 3823 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  CAS-BOT-BC114625  Cyperus eragrostis Henry M. Pollard 1945-8-27 s.n. Humboldt Pond near Harley place. Comment
  UC668032  Cyperus eragrostis Joseph P. Tracy 1935-7-17 14099 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC36651  Cypripedium californicum J. D. Ackerman 1975-6-18 469 Humboldt 2.7 mi E of Berry Summit, Hwy. 299 W of Willow Creek . Comment
  UC1196441  Cypripedium californicum Joseph P. Tracy 1926-6-6 7575 Humboldt on road from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  JEPS35178  Cystopteris fragilis Joseph P. Tracy 1925-11-25 7325 Humboldt near S Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD136399  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt Bull Creek Region, South Fork Eel River. Comment
  HSC58538  Dactylis glomerata Overton, Butler 1979-7-23 9462 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  HSC73805  Dactylis glomerata M. A. Baker 1980-6-16 1937 Humboldt Near Monks Camp. 1097 Comment
  HSC9529  Dactylis glomerata John Warner Hosking 1966-8-6 Humboldt Fern Lake, behind Humboldt State College campus, Arcata Comment
  CAS-BOT-BC94774  Danthonia californica R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 838 Humboldt Humboldt Redwoods State Park. Pole Line Prairie, along Pole Line Road, 1 air mile N of Mattole Road, 6 air miles E of 274 Comment
  HSC39235  Danthonia californica D. E. Anderson, J. P. Smith 1971-7-28 - 1270 Humboldt 2.5 mi. S of Blue Lake along the Mad River. Comment
  UC70789  Danthonia californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5678 Humboldt Hoopa Mt. 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
  UC1152019  Danthonia unispicata Joseph P. Tracy 1951-7-26 19593 Humboldt Redwwod Creek Board Camp Mountain (extreme head, n side of mt.) Comment
  CAS-BOT-BC420365  Darmera peltata Duart V. Brown 1947-3-24 5 Humboldt 3 miles N of Willow Creek on W bank of Trinity River Comment
  CDA9725  Daucus carota D. G. Kelch 2007-7-25 7 .508 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  UC154245  Daucus pusillus J. P. Tracy 1900-7-4 887 Humboldt Ocean Beach at Samoa opposite Eureka Comment
  RSA114999  Delphinium decorum E. K. Balls, Lee W. Lenz 1955-5-15 20741 Humboldt 13.5 miles SW from Ferndale along Old Coast road to Capetown. 335 Comment
  HSC98756  Delphinium decorum subsp. tracyi Cara Witte 2008-7-2 816 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  HSC92103  Delphinium decorum subsp. tracyi S. Morrissette, J. Williams, K. Kopper 1994-5-6 50 Humboldt 0.4 mi. S of Hwy. 299 on Titlow Rd. 854 Comment
  CAS-BOT-BC10315  Delphinium hesperium Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC27071  Delphinium nudicaule Clifton Raymond Chesbrough 1971-4-11 8 Humboldt 1.0 mi. E of Salyer on Hwy. 299, along Trinity River Comment
  HSC32935  Delphinium nuttallianum Thomas W. Nelson 1973-5-30 972 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  CDA24232  Delphinium nuttallianum K. Eickhoff, C. M. Witte 2005-6-15 12 Humboldt Northwestern California; 14.1 miles south of Highway 299 on NFI, 0.25 mile northeast of Grouse Mountain. Comment
  HSC100616  Delphinium trolliifolium Carl C. Marshall Apr 1887 363 Humboldt Hoopa Valley. Comment
  RSA254789  Delphinium trolliifolium Thomas W. Nelson, James Nelson 1973-5-28 942 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC1075803  Delphinium trolliifolium E. K. Balls and L. W. Lenz 1955-5-15 20736 Humboldt hills 9.9 mi sw Fernbridge (along Old Coast rd to Capetown) 502 Comment
  UC1334518  Delphinium trolliifolium G. A. L. Mehlquist and J. A. Jenkins 1940-5-29 9 Humboldt 1 1/2 mi n Kneeland Comment
  UC1542893  Delphinium trolliifolium Harold E. Parks June 1930 1366 Humboldt near Rohnerville Comment
  CAS-BOT-BC16944  Delphinium variegatum subsp. variegatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  RSA18060  Deschampsia beringensis C. B. Wolf 1927-8-22 794 Humboldt Big Lagoon Comment
  SEINET4566835  Deschampsia cespitosa J. Davy, W. Blasdale 1899-1 6213 Humboldt Eureka Comment
  UC1152018  Deschampsia danthonioides Joseph P. Tracy 1951-6-21 19531 Humboldt back of Everett Beck ranch house Hydesville (bed of former Goose Lake) Comment
  UC526857  Deschampsia danthonioides Joseph P. Tracy 1932-7-14 10538 Humboldt Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC102212  Deschampsia elongata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1128 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC26662  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-14 3830 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC1196310  Dicentra formosa Joseph P. Tracy 1926-4-11 7404 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC45272  Dicentra formosa Brad Klipfel 1973-4-28 9 Humboldt Along Korbel to Maple Creek Rd., Canyon Creek Comment
  UC1586878  Dicentra formosa Juha Pykala and D. H. Norris 1987-6-10 1525 Humboldt about 1-2 mi s Onion Lake (on Onion Lake Road); Six Rivers National Forest 1300 Comment
  RSA273432  Dicentra formosa subsp. formosa M. A. Baker 1977-4-23 176 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  JEPS91306  Dicentra formosa subsp. formosa Dean W. Taylor 1971-5-2 1065 Humboldt Comment
  SEINET200693  Dichelostemma congestum Joseph P. Tracy 1927-5-8 7965 Humboldt Phillipsville South Fork of Eel River. 122 Comment
  HSC3029  Dichelostemma ida-maia S. Estes 1964-4-25 52 Humboldt May Ranch, 2 mi. N of Bridgeville 305 Comment
  SBBG892  Dichelostemma ida-maia K. K. Muller 1954-6-21 628 Humboldt Mad River Camp 2 on Mad River Comment
  CAS-BOT-BC501018  Dichelostemma ida-maia L. R. Abrams 1918-6-15 7108 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  JEPS5675  Dichelostemma ida-maia Lincoln Constance 1934-5-23 604 Humboldt above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  JEPS5678  Dichelostemma ida-maia Milo S. Baker 1923-7-28 139 Humboldt South Fork Yager Creek Comment
  UC1198161  Dichelostemma multiflorum Joseph P. Tracy 1911-7-6 3346 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UCR275099  Digitalis purpurea Charity A. Hartshorn 2016-4-24 18 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CAS-BOT-BC150353  Diplacus aurantiacus Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  SBBG26842  Diplacus kelloggii L. Constance, R. C. Rollins 1941-5-12 Humboldt bluffs at jct of Klamath and Salmon Rivers, 1 mi S of Somes Bar 152 Comment
  CAS-BOT-BC153235  Diplacus kelloggii Duart V. Brown 1947-4-2 33 Humboldt Near Sweed Creek, Trinity River Comment
  CAS-BOT-BC153324  Diplacus layneae Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  SEINET5741149 Image available Dipsacus fullonum Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6110 Humboldt In a waste area along Giuntoli Lane in Arcata. Adjacent to Eureka Sand and Gravel Company and across the road from T. P. Tire Service (1265 Giuntoli Lane).; Arcata Comment
  UC1197658  Disporum hookeri Joseph P. Tracy 1937-7-2 15409 Humboldt Trinity Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  UC535769  Disporum hookeri Eleanor Armstrong 1934-5-27 Humboldt Richardson Grove Comment
  UCR67631  Disporum smithii Michael A. Hanson 1990-5-21 70 Humboldt Arcata, 0.5 mi (0.8 km) east of Humboldt State University Life Science Building. 159 Comment
  JEPS61828  Disporum smithii Lincoln Constance 1934-5-31 753 Humboldt South Fork Eel River, along n side of Bull Creek, from w boundary of Park to Grasshopper Peak (Squaw Creek) Road, Bull Creek; Bull Creek Region, South Fork Eel River, Bull Creek Comment
  RSA20815  Disporum smithii Carl B. Wolf 1937-9-10 9313 Humboldt Along old logging road 2 miles E of Trinidad on way to Hammond Lumber Co. s Camp 20 (abandoned). 152 Comment
  RSA68743  Disporum smithii Victor Duran 1933-5-12 3413 Humboldt Bull Creek, at South Fork of the Eel River Comment
  CAS-BOT-BC208663  Distichlis spicata David D. Keck 1938-8-5 4769 Humboldt Big Lagoon Comment
  UC38073  Distichlis spicata Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5604 Humboldt Arcata Comment
  RSA46481  Dodecatheon hendersonii Doris K. Kildale 1927-3-20 2908 Humboldt Phillipsville Comment
  SEINET201059 Image available Dodecatheon hendersonii Joseph P. Tracy 1927-5-15 8061 Humboldt Hoopa Mountain; near summit on road west from Hoopa to Bair's. 1067 Comment
  HSC17909  Dodecatheon hendersonii D. E. Anderson 1965-4-24 3545 Humboldt Ca. 2 mi. E of Berry Summit along Hwy. 299 Comment
  RSA183606  Dodecatheon hendersonii G. Bos 1965-5-15 278 Humboldt Berry Summit near U.S. 299. Growing in moss at base of Quercus. 793 Comment
  UC1222171  Dodecatheon jeffreyi Joseph P. Tracy 1951-6-14 19406 Humboldt Snow Camp 1402 Comment
  UC1199495  Downingia elegans Joseph P. Tracy 1937-7-19 15462 Humboldt Larrabee Valley 731 Comment
  SEINET13728350  Drosera rotundifolia Unknown 1914-9-6 4601 Humboldt Plants of Northern Coast Ranges of California Bald Mountain, between High Prairie and Snow Camp, Humboldt County Comment
  CAS-BOT-BC71054  Dryopteris expansa Mrs. H. C. Cantelow 1936-5-18 s.n. Humboldt Crokscrew Tree, 8 miles north of Orick Comment
  POM281673  Dryopteris expansa Lyman Benson 1929-7-18 1847 Humboldt Weott Rangr station, Redwoods flat Comment
  UC212863  Echinochloa crus-galli Joseph P. Tracy 1920-8-15 5370 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges, Klamath River at Bluff Creek 152 Comment
  UC1100261  Echinochloa crus-galli var. crus-galli Malcolm A. Nobs and S. Galen Smith 1949-8-9 1240 Humboldt Town of Blue Lake; s side Comment
  HSC99981  Ehrharta erecta Sydney Carothers 2009-3-5 Humboldt H. S. U campus, due N of the experimental greenhouse. 152 Comment
  UC1103661  Eleocharis obtusa Joseph P. Tracy 1920-8-15 5365 Humboldt Klamath River at Bluff Creek Northern Coast Ranges Comment
  HSC7335  Eleocharis obtusa Edward J. Kynoch 1966-9-23 410 Humboldt Near Trinity Rver and Willow Creek 142 Comment
  RSA53823  Eleocharis obtusa var. engelmannii Henry M. Pollard s.n. Humboldt Near Orleans. Comment
  RSA246877  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-8-9 35338 Humboldt Along Highway 101 about 3 miles north of Eureka. 2 Comment
  HSC7346  Eleocharis parvula D. E. Anderson 1961-9-9 1791 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon Comment
  CAS-BOT-BC197347  Elymus L. R. Abrams 1918-6-16 7137 Humboldt Willow Creek Comment
  HSC58630  Elymus elymoides var. elymoides Overton, Butler 1979-7-31 11484 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC58665  Elymus elymoides var. elymoides G. L. Clifton, Griswold 1979-8-1 12052 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  HSC71647  Elymus glaucus J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9927 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  HSC76550  Elymus glaucus Denis Kearns 1981-7-22 312 Humboldt Near Whiteys Peak. 1487 Comment
  RSA44455  Elymus glaucus Henry M. Pollard 1948-7-19 s.n. Humboldt River road between Orleans and Van Fleet Ranch Comment
  HSC102546  Elymus glaucus subsp. glaucus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1536 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  CAS-BOT-BC203799  Elymus glaucus subsp. virescens Joseph P. Tracy 1927-6-26 8213 Humboldt Stone Lagoon 6 Comment
  CAS-BOT-BC234111  Elymus multisetus Doris K. Kildale 1928-6-24 5273 Humboldt Horse Mountain 914 Comment
  UC1103294  Elytrigia repens Joseph P. Tracy 1937-8-13 15663 Humboldt Loleta 9 Comment
  SDSU8810  Epilobium angustifolium subsp. circumvagum D. F. Howe 1961-8-1 3102 Humboldt 6 miles north of Trinidad on #101. Comment
  RSA167259  Epilobium brachycarpum Joseph P. Tracy 1950-9-10 19356 Humboldt Bear River Ridge 610 Comment
  JEPS39208  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4854 Humboldt lower w slopes of mt. Northern Coast Ranges, Grouse Mt., Janes Ranch 914 Comment
  UC144087  Epilobium brachycarpum Joseph P. Tracy 1900-9-9 946 Humboldt gravel bar on creek Northern Coast Region, Yager Creek (near Hydesville) 60 Comment
  JEPS31509  Epilobium campestre Joseph P. Tracy 1938-7-5 16009 Humboldt flat by old Strong's District School House (5 mi e of town); Carlotta 45 Comment
  HSC54011  Epilobium ciliatum subsp. ciliatum Griswold, Butler 1979-7-12 7141 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  JEPS31484  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1937-8-12 15649 Humboldt Snow Camp 1402 Comment
  HSC16348  Epilobium ciliatum subsp. watsonii Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  SEINET12191481  Epilobium glaberrimum subsp. glaberrimum J. P. Tracy 1950-1 19272 Humboldt on trail b/w Box Camp and Croghan Hole, 2 mi E of Box Camp, Trinity Summit Comment
  UC144091  Epilobium hallianum Joseph P. Tracy 1908-6 2753 Humboldt near pond above mouth of Little Van Duzen (nw slope of mt.); Northern Coast Ranges, Buck Mountain 762 Comment
  HSC76627  Epilobium minutum Denis Kearns 1981-6-24 13 Humboldt Near Cedar Camp 1219 Comment
  HSC78650  Epilobium minutum D. K. Imper 1982-7-13 1484 Humboldt Near Chaparral Mtn. 1386 Comment
  UC1198480  Epilobium minutum Joseph P. Tracy 1927-6-12 8164 Humboldt Horse Mountain Northern Coast Ranges (lower slopes) 1066 Comment
  UCR45444  Epilobium minutum N. Meiselman, M. Bransom, D. Brown, Ron Hildebrandt 1986-4-19 28 Humboldt North Coast Range, Horse Mountain, 0.5 mi. down Titlow Road from Ski Area 1372 Comment
  CAS-BOT-BC171847  Epilobium septentrionale Carl B. Wolf 1927-8-30 1234 Humboldt 2 mi. so. of Petrolia on Matole River near where road crosses river. Comment
  HSC99583  Equisetum telmateia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 248 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  CHSC24858  Equisetum telmateia subsp. braunii M. B. Simpson 1976-4-10 25 Humboldt Ca. 100 yds e of West Haven Dr, on n side of Wagon Wheel Rd, ca. 13 mi n of Arcata. 121 Comment
  RSA53861  Eragrostis cilianensis Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River near Wilson Creek, Orleans region Comment
  HSC9784  Eragrostis mexicana subsp. virescens D. E. Anderson 1963-9-21 2834 Humboldt 0.5 mi E of Willow Creek Comment
  RSA44365  Eragrostis mexicana subsp. virescens Henry M. Pollard 1947-8-30 s.n. Humboldt Near Wilson Creek, on Klamath River, (near Orleans) Comment
  UC212870  Eragrostis pilosa var. pilosa Joseph P. Tracy 1920-8-15 5361 Humboldt mouth of Bluff Creek (Klamath R.); Northern Coast Ranges, Klamath R. 152 Comment
  HSC5490  Erechtites glomeratus H. E. Parks Aug 1941 24189 Humboldt Trinidad Comment
  CAS-BOT-BC299914  Erechtites minimus David D. Keck 1938-8-5 4767 Humboldt Big Lagoon Comment
  HSC57993  Eremogone congesta var. suffrutescens G. L. Clifton, Griswold 1979-7-31 11754 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  RSA639200  Erica lusitanica Gary D. Wallace 1988-4-11 2806 Humboldt South of Eureka: Just north of Loleta on Hwy 101, just south of Loleta Drive. 60 Comment
  CAS-BOT-BC131507  Ericameria arborescens H. E. McMinn 1922-8-3 476 Humboldt Mt. slope - above S.F., Eel River Comment
  RSA47111  Ericameria greenei Doris K. Kildale 1925-8-17 1212 Humboldt Trinity Summit 1829 Comment
  UC169349  Erigeron biolettii J. P. Tracy 1912-7-23 3797 Humboldt 3-5 miles above South Fork Eel River mouth (slopes of bluffs along); South Fork Eel River 30 Comment
  UC583067  Erigeron biolettii P. A. Munz 1936-8-9 14331 Humboldt 5 mi n Humboldt-Mendocino county line; south fork Eel River Comment
  SEINET200722  Erigeron foliosus Joseph P. Tracy 1913-6-10 4082 Humboldt Along Van Dugen River near Grizzly Gulch. Comment
  CAS-BOT-BC296112  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge 1066 Comment
  RSA21324  Erigeron foliosus var. confinis C. B. Wolf 1937-8-13 9218 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  CAS-BOT-BC300674  Erigeron foliosus var. mendocinus Alice Eastwood; John Thomas Howell 1937-6-22 4731 Humboldt Near Alder Point Comment
  UC1222983  Erigeron glacialis var. glacialis Joseph P. Tracy 1947-8-24 17902 Humboldt meadow at Box Camp; Trinity Summit, Box Camp 1463 Comment
  RSA636111  Erigeron glaucus R. F. Thorne 1974-7-29 45079 Humboldt Samoa Dunes: Between Humboldt Bay and Pacific Ocean. Comment
  HSC66280  Erigeron maniopotamicus M. A. Baker 1980-6-28 2479 Humboldt Near Mad River Buttes 1445 Comment
  CAS-BOT-BC214581  Erigeron philadelphicus Volney Rattan No date on label s.n. Humboldt Mad River Comment
  UCSB15446  Erigeron philadelphicus Breedlove, Dennis 1961-7-3 Humboldt Along Eel River, 7.4 miles north of Phillipsville 243 Comment
  POM54263  Erigeron philadelphicus H. P. Chandler 1901-06 1402 A Humboldt Klamath River. Comment
  SD56767  Erigeron philadelphicus Darley F. Howe 1963-7-8 3621 Humboldt 8.2 miles west of Bridgeville on California Highway 36. 89 Comment
  JEPS41380  Erigeron philadelphicus var. philadelphicus Lincoln Constance 1934-5-26 685 Humboldt s end Dyerville Bridge; South Fork Eel River 45 Comment
  UC1118185  Erigeron strigosus var. strigosus H. L. Person 1932-8-28 Humboldt e Mad River bridge; Eureka Quadrangle, Korbel Comment
  HSC55092  Eriogonum compositum G. L. Clifton, Griswold 1979-7-31 11779 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC259157  Eriogonum latifolium Ira L. Wiggins 1930-7-11 4680 Humboldt Near Samoa Comment
  CDA22611  Eriogonum latifolium T. C. Fuller 1961-9-28 7050 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  JEPS95110  Eriogonum latifolium Vernon Oswald and Lowell Ahart 1997-9-4 8853 Humboldt 1.1 mi s of Highway 255 (North Spit of Humboldt Bay, w side of New Navy Base Road); North Spit of Humboldt Bay, New Navy Base Road 6 Comment
  RSA246713  Eriogonum latifolium Robert F. Thorne, Percy C. Everett 1965-8-5 35162 Humboldt Samoa Dunes. 3 Comment
  UCSB1454  Eriogonum latifolium Parks, H. 1941-08 Humboldt Little River Comment
  HSC17298  Eriogonum latifolium D. E. Anderson 1961-9-22 1829 Humboldt Comment
  SD38696  Eriogonum latifolium Charlotte M. Hoak 1931-7-14 2102 Humboldt Sand dunes above Eureka Comment
  UC55505  Eriogonum luteolum var. luteolum P. E. Goddard 1901-7-12 82 Humboldt Hupa Comment
  RSA178577  Eriogonum nudum var. nudum Joseph P. Tracy 1950-06 18762 Humboldt At Domingo Hill (east slope from the summit). Near Petrolia; hills between town and ocean Comment
  UC1222337  Eriogonum nudum var. nudum Joseph P. Tracy 1950-8-20 19320 Humboldt just above Slate Creek (along Klamath River at Big Bar); Klamath River, Big Bar 121 Comment
  HSC32552  Eriogonum nudum var. oblongifolium Thomas W. Nelson 1973-9-2 1121 Humboldt McKeown Ranch N of Dinsmore Comment
  UC176714  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1912-7-21 3757 Humboldt Alton 30 Comment
  CAS-BOT-BC261723  Eriogonum nudum var. oblongifolium Doris K. Kildale 1928-6-24 5272 Humboldt Entrance to Horse Mountain 853 Comment
  SEINET11938137  Eriogonum nudum var. oblongifolium J. P. Tracy 1950-1 19373 Humboldt Slat Creek Comment
  HSC98098  Eriogonum umbellatum var. goodmanii Cara Witte 2007-6-20 307 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  CAS-BOT-BC301019  Eriophyllum lanatum var. achilleoides M. S. Jussel 1931-5-2 122 Humboldt 6 miles from Garberville Comment
  HSC56464  Eriophyllum lanatum var. achilleoides Griswold, Butler 1979-7-12 7262 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC57128  Eriophyllum lanatum var. achilleoides Overton, Butler 1979-7-25 9895 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  JEPS34743  Eriophyllum lanatum var. achilleoides Lincoln Constance 1934-5-26 678 Humboldt s end of Dyerville Bridge (South Fork of Eel River); Bull Creek Region, South Fork Eel River 45 Comment
  UC176464  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1913-7-25 4338 Humboldt Dinsmore Ranch opposite Buck Mountain; Northern Coast Ranges, Van Dusen River Valley 762 Comment
  UC90251  Eriophyllum lanatum var. achilleoides unknown 1890-7-5 Humboldt Comment
  CAS-BOT-BC301180  Eriophyllum lanatum var. arachnoideum Carl B. Wolf 1927-8-29 1193 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge--Mt. Glen Comment
  UCR123949  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6991 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
  HSC44134  Eriophyllum lanatum var. grandiflorum Thomas W. Nelson, Jane P. Nelson 1977-7-4 3578 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  HSC98956  Eriophyllum lanatum var. integrifolium Cara Witte 2008-7-28 948 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  UC165856  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1911-7-8 3441 Humboldt about 0.5 mi above mouth Willow Creek (on s bank of river); Northern Coast Ranges, Valley of the Trinity River 152 Comment
  HSC8495  Erodium cicutarium R. T. Forester 1963-3-13 23 Humboldt 1/4 mi. N of Fairhaven on Samoa Rd. Comment
  HSC73747  Erysimum capitatum var. capitatum M. A. Baker 1980-7-15 2949 Humboldt Near Whiting Ridge. 1341 Comment
  HSC6785  Erysimum menziesii S. J. Hawks 1965-3-19 8 Humboldt W of Eureka airport. Comment
  CAS-BOT-BC153741  Erythranthe alsinoides Doris K. Kildale 1929-4-23 7438 Humboldt Kneeland Prairie 853 Comment
  HSC41237  Erythronium californicum Brad Klipfel 1974-5-27 374 Humboldt Horse Mtn. Comment
  UC201391  Erythronium californicum Joseph P. Tracy 1918-5-1 4897 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1197641  Erythronium californicum Joseph P. Tracy 1908-6-8 2630 Humboldt woods on n slope Ashfield's Butte; Northern Coast Ranges 762 Comment
  HSC70227  Erythronium grandiflorum subsp. grandiflorum M. A. Baker 1980-6-8 1890 Humboldt Near Buck Flat. 1554 Comment
  SEINET3992426  Erythronium grandiflorum var. pallidum Unknown 1933-7-16 12774 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  UC13823  Erythronium revolutum Harley P. Chandler June, 1901 1279 Humboldt Hupa Indian Reservation North Coast Ranges 1066 Comment
  HSC104325  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 23 Humboldt Kneeland 854 Comment
  HSC16768  Eschscholzia californica William J. Ferlatte 1963-4-28 24 Humboldt Near 12th and B St., Arcata Comment
  UC184948  Eschscholzia californica Joseph P. Tracy 1912-7-21 3765 Humboldt Alton Northern Coast Region 30 Comment
  CAS-BOT-BC403036  Eschscholzia californica Doris K. Kildale 1926-5-9 1981 Humboldt Kneeland Prairie - summit 853 Comment
  HSC26901  Eschscholzia californica Thomas W. Nelson 1973-7-27 1103 Humboldt SW of the airstrip at Kneeland Comment
  HSC98911  Eschscholzia californica Cara Witte 2007-7-9 465 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  HSC37670  Euchiton gymnocephalus R. Sutherland 1976-8-13 9 .13876 Humboldt Old skid road. 259 Comment
  UC1199356  Euchiton sphaericus Joseph P. Tracy 1948-9-26 18230 Humboldt 6 mi SE of Arcata (Fickle Hill) 609 Comment
  CAS-BOT-BC310493  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt Fickle Hill. (6 mi. S.E. of Arcata) 609 Comment
  HSC8002  Euphorbia crenulata Lincoln Constance 1934-5-24 646 Humboldt S Fork Eel River 122 Comment
  HSC100482  Euphorbia lathyris Carl C. Marshall Jun 1885 114 Humboldt Near Arcata fields, etc. Comment
  HSC100483  Euphorbia leptocera Carl C. Marshall Apr 1887 104 Humboldt Humboldt Bay. Comment
  JEPS52406  Euphorbia peplus Joseph P. Tracy 1926-5-15 7473 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC1198976  Euphorbia peplus Joseph P. Tracy 1936-4-5 16186 Humboldt Eureka 30 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
  UCD98910  Fallopia sachalinensis H. E. Parks; S. T. Parks 1941-8-1 s.n. Humboldt Along highway and Orick 50 miles south. Mouth of Elk River, Humboldt Bay, near sea level. Comment
  CAS-BOT-BC278181  Festuca Doris Kildale Gillespie 1931-6-7 10606 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  UCD65871  Festuca californica subsp. californica R. Tofsrud 1948-9-1 Humboldt Road junction near summit of Horse Mt. 1463 Comment
  RSA10078  Festuca elmeri Joseph P. Tracy 1927-5-8 7962 Humboldt Phillipsville open oak groves facing South Fork of Eel River. 122 Comment
  UC187111  Festuca elmeri J. P. Tracy 1903-5-23 1899 Humboldt Alder Point, on Eel River Eel River 243 Comment
  CAS-BOT-BC278811  Festuca occidentalis Joseph P. Tracy 1930-7-16 9097 Humboldt Northern Coast Ranges. South Fork Mountain. Near McKay Camp 1676 Comment
  HSC32491  Festuca occidentalis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5722 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC26125  Festuca rubra J. P. Smith 1970-6-7 3800 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  RSA10075  Festuca rubra Joseph P. Tracy 1927-7-4 8238 Humboldt Lone-Star Creek (in the Dagna district). 610 Comment
  RSA126631  Festuca rubra H. S. Yates 1936-6-17 5691 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  UC1197363  Foeniculum vulgare Joseph P. Tracy 1930-10-12 9216 Humboldt Eel R. Alton to Fortuna; Eel R. 15 Comment
  UC249609  Foeniculum vulgare Joseph P. Tracy 1922-8 6104 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC27020  Foeniculum vulgare Brad Klipfel 1973-8-20 282 Humboldt At Hwy 101 and Hookton Road, N of Eureka Comment
  CHSC68501  Fragaria chiloensis Vernon H. Oswald 1997-4-10 8327 Humboldt Elk Head, north end of Trinidad State Beach. Near the bluffs overlooking the ocean. 30 Comment
  UC183556  Fragaria vesca Joseph P. Tracy 1913-6-25 4340 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 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
  CAS-BOT-BC52733  Frangula californica subsp. californica L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road Comment
  CAS-BOT-BC52744  Frangula californica subsp. californica Doris K. Kildale 1927-7-3 3652 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC53402  Frangula californica subsp. occidentalis Doris K. Kildale 1925-8-13 1115 Humboldt Willow Creek Flat, Trinity River Valley 152 Comment
  CAS-BOT-BC60000  Frangula purshiana C. B. Wolf 1931-8-30 2373 Humboldt E. side of Eureka on P. St., one block n. of Henderson St. 30 Comment
  HSC12313  Frangula purshiana Wendell Wood 1970-9-22 296 Humboldt McKinleyville, E end of Chateau Way 107 Comment
  HSC18410  Frangula purshiana Francis Winter 1960-5-6 Humboldt Across from Azalea State Park Entrance Comment
  HSC39943  Frangula purshiana Linda M. Barker 1976-7-5 1648 Humboldt 3 mi. W of Arcata. Comment
  UC1197632  Fritillaria affinis Joseph P. Tracy 1922-5-29 6066 Humboldt South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  UC666944  Fritillaria affinis Joseph P. Tracy 1927-4-24 7941 Humboldt Table Bluff 152 Comment
  CAS-BOT-BC136032  Fritillaria affinis John Thomas Howell 1954-4-25 29154 Humboldt Dune hills, Little River Comment
  HSC15546  Fritillaria affinis F. B. Plett 1963-5-15 49 Humboldt 1.5 mi. N of Trinidad along Old Hwy. 101 Comment
  RSA90637  Fritillaria affinis Ralph Lewis 1936-4-10 s.n. Humboldt Along Redwood Highway, first bridge south of Cummings Comment
  UC1197633  Fritillaria affinis Joseph P. Tracy 1921-8-28 5946 Humboldt Guthrie Gulch; Northern Coast Ranges, Guthrie Gulch 121 Comment
  CAS-BOT-BC130448  Fritillaria purdyi Doris K. Kildale 1928-3-28 4364 Humboldt Kneeland Prairie 853 Comment
  UC1197630  Fritillaria purdyi Joseph P. Tracy 1926-4-3 7394 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC30119  Fritillaria recurva W. C. Blasdale 1896-6-9 Humboldt Pilot Ridge Comment
  HSC32861  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 940 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC37363  Galium aparine Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 495 Humboldt Along Lost Man Creek. 38 Comment
  HSC82114  Galium aparine Thomas W. Nelson, Jane P. Nelson 1980-5-25 5254 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  HSC97507  Galium aparine C. Witte 2007-5-22 75 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1422 Comment
  JEPS6512  Galium bifolium Joseph P. Tracy 1933-7-16 12778 Humboldt near McKay Camp; South Fork Mt. 1676 Comment
  UC169002  Galium bolanderi Joseph P. Tracy 1911-7-6 3361 Humboldt mountain slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC602507  Galium bolanderi Joseph P. Tracy 1927-5-15 8043 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC57324  Galium mexicanum var. asperrimum Overton, Butler 1979-7-24 9587 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  JEPS6496  Galium parisiense W. L. Jepson 1902-6 1981 Humboldt Hupa Comment
  UC1196101  Galium parisiense Joseph P. Tracy 1924-8-10 6801 Humboldt on river bar near Strong's Station (10 mi e of Carlotta); Northern Coast Ranges 60 Comment
  HSC61873  Galium parisiense Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC1196091  Galium porrigens Joseph P. Tracy 1898-7-13 259 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  POM60798  Galium trifidum Joseph P. Tracy 1906-8-18 2542 Humboldt Eureka. 0 Comment
  UC76673  Galium trifidum var. pacificum Chesnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  UC416651  Galium triflorum Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC169075  Galium triflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5470 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  CAS-BOT-BC303398  Gamochaeta ustulata L. R. Abrams 1916-7-18 6125 Humboldt Arcata to Trinidad Comment
  HSC104445  Gamochaeta ustulata Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 9 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  UC1118539  Gamochaeta ustulata H. L. Person 1932-7-16 33 Humboldt Highway n Trinidad; Rock Point Quadrangle Comment
  UC164849  Gamochaeta ustulata J. P. Tracy 1907-6-20 2573 Humboldt immediate vicinity Eureka 0 Comment
  HSC103981  Garrya elliptica C. Reynolds 2015-4-12 28 Humboldt Just before entrance onto footpath at Freshwater Beach from Kuchel Visitor Center 1 Comment
  HSC91891  Garrya elliptica E. Mackey 1986-7-21 Humboldt Patrick's Point State Park; Wedding Rock Trail Comment
  RSA21606  Garrya fremontii Carl B. Wolf 1937-8-13 9228 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UCSB72514  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek, mostly within Hoppe Indian Reservation, upstream from Willow Village Comment
  HSC53968  Gaultheria ovatifolia Griswold, Butler 1979-7-11 7025 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC76327  Gaultheria ovatifolia Denis Kearns 1981-7-6 63 Humboldt Near Mosquito Lake 1122 Comment
  CAS-BOT-BC58914  Gaultheria shallon Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC1802  Gaultheria shallon William J. Ferlatte, B. D. Rogers 1966-8-15 3127 Humboldt 5 mi. E of Arcata Comment
  HSC22523  Gaultheria shallon David K. Smith 1968-10-26 37 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  HSC73457  Gaultheria shallon Grunert 38 Humboldt Jolly Giant Creek, Arcata city limit, on Jolly Giant Rd. near HSU Comment
  HSC7812  Gaultheria shallon J. Pursell 1964-11-1 1111 Humboldt Hoopa Valley Hwy. 96 Comment
  JEPS66612  Gaultheria shallon Lincoln Constance 1934-5-31 751 Humboldt n side of (along) Bull Creek, w boundary of Park to Grasshopper Peak (Squaw Creek) Road, South Fork Eel River Bull Creek; Bull Creek Region, South Fork Eel River, Bull Creek Comment
  SEINET2028836 Image available Gaultheria shallon Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15251 Humboldt 2 miles north of Fortuna Comment
  UC32704  Gaultheria shallon Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UCR275108  Gaultheria shallon Charity A. Hartshorn 2016-5-14 34 Humboldt Arcata Community Forest 244 Comment
  UCSB19651  Gaultheria shallon Lowery, Jos. 1962-08 Humboldt Willow Springs, Mts. ca. 30 mi. E of Eureka 457 Comment
  UC35398  Gayophytum diffusum subsp. parviflorum Chesnut and Drew Humboldt Comment
  UC505121  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10401 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC16406  Gayophytum ramosissimum J. P. Tracy 1933-7-26 12919 Humboldt Grouse Mtn. 1524 Comment
  CAS-BOT-BC217395  Gentiana affinis var. ovata L. R. Abrams 1916-7-20 6145 Humboldt Eureka Comment
  JEPS24355  Gentiana plurisetosa Mary H. Manning 1900-1 Humboldt Trinity Summit Comment
  UC562302  Gentiana sceptrum Joseph P. Tracy 1927-8-22 8338 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC24639  Gentiana sceptrum Doris K. Kildale 1925-7-26 1065 Humboldt Christmas Prairie Comment
  RSA245252  Gentiana sceptrum David K. Smith 1968-10-26 30 Humboldt At Big Lagoon County Park, southwest corner of Big Lagoon. Comment
  RSA0028176  Geranium bicknellii var. bicknellii D. E. Anderson 1963-5-25 2497 Humboldt About 4 miles east of Petrolia. Comment
  UC668044  Geranium molle Joseph P. Tracy 1933-5-19 12197 Humboldt Alton to Fortuna (along the Eel River); Eel River 15 Comment
  UCD103408  Geranium molle Joseph M. DiTomaso 1976-3-28 346 Humboldt Samoa Cookhouse in Samoa. Comment
  HSC16968  Gilia capitata H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  RSA21318  Gilia capitata C. B. Wolf 1937-8-13 9219 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC52536  Gilia capitata subsp. capitata Mrs. M. H. Manning Humboldt Hupa Comment
  UC60880  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1447 Humboldt Klamath River North Coast Ranges, Klamath River 243 Comment
  HSC95157  Gilia capitata subsp. pacifica Gordon Leppig 2003-6-25 1990 Humboldt E side headwaters of Brushy Creek 800 Comment
  HSC34612  Gilia millefoliata A. Montalvo 1975-5-24 274 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  JEPS86031  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, , near Samoa 6 Comment
  UC1197907  Gilia millefoliata Joseph P. Tracy 1931-6-15 9583 Humboldt sandy ground along bay shore at Bucksport (around Humboldt Bay); Northern Coast Region, around Humboldt Bay 6 Comment
  UC23729  Gilia millefoliata Harley P. Chandler May, 1901 1135 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  UCR202330  Gilia millefoliata Peter L. Morrell 1993-6-9 280 Humboldt North Coast, Samoa Peninsula near Eureka, along Hwy 255, 1.5 miles south of Samoa intersection, west side of highway 7 Comment
  UC169033  Githopsis specularioides J. P. Tracy 1903-5-23 1906 Humboldt Alder Point Eel River 152 Comment
  CAS-BOT-BC303706  Glebionis segetum Paul F. Covel 1939-8-7 1651 Humboldt Beach at Little River Comment
  HSC14201  Glechoma hederacea D. W. Snell 1964-4-25 55 Humboldt Mad River bottom, 3 mi. N of Blue Lake Comment
  CAS-BOT-BC218432  Glehnia littoralis subsp. leiocarpa Milo S. Baker 1927-8-16 2449 a Humboldt Near beach, Samoa Comment
  POM318534  Glehnia littoralis subsp. leiocarpa Patricia Wilder 1968-8-22 4418 Humboldt County campground on beach west of Ferndale off Centerville Road. 8 Comment
  UC154100  Glehnia littoralis subsp. leiocarpa J. P. Tracy 1901-8-7 1261 Humboldt sand hills of Ocean Beach at Samoa opposite Eureka Comment
  UC21300  Glehnia littoralis subsp. leiocarpa Harley P. Chandler May, 1901 1145 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  UCD66788  Glyceria declinata J. Lenz 1950-6-1 Humboldt Cranell Comment
  HSC10063  Glyceria elata D. E. Anderson 1965-9-5 4092 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC26157  Glyceria elata J. P. Smith, Steve Selva 1970-6-30 4131 Humboldt Comment
Read comments
Jan 25 2012
  HSC34278  Glyceria elata Ken Irwin 1975-8-13 Humboldt Grogans Hole Area Comment
  HSC10089  Glyceria striata J. P. Tracy 1925-6-13 7086 Humboldt Eureka 0 Comment
  UC1103751  Glyceria striata Joseph P. Tracy 1903-6-14 1922 Humboldt Eureka; Northern Coast Region 0 Comment
  UC526902  Glyceria striata Joseph P. Tracy Jul 16 1930-Jul 19 1930 8932 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (South Fork Mountain) 152 Comment
  HSC100452  Gnaphalium Carl C. Marshall Sep 1886 346 Humboldt North Fork. Comment
  SEINET10938128  Gnaphalium Mary Susan Taylor 1990-8-22 Taylor 6077 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  CAS-BOT-BC302535  Gnaphalium palustre Doris K. Kildale 1925-8-17 1242 Humboldt Waterdog Lake, Trinity Summit 1828 Comment
  SD88350  Gnaphalium purpureum Darley F. Howe 1972-6-30 Humboldt Trinidad Comment
  HSC34239  Goodyera oblongifolia J. D. Ackerman 1975-8-24 648 Humboldt Intersection of Hwy. 255 to Samoa Bridge and Samoa Blvd. Comment
  CAS-BOT-BC304745  Grindelia hirsutula H. E. Parks 1941-8-1 24190 Humboldt Big Lagoon Comment
  HSC5698  Grindelia hirsutula D. E. Anderson 1962-7-15 2270 Humboldt Big Lagoon Comment
  UC199436  Grindelia hirsutula Joseph P. Tracy 1938-7-15 16075 Humboldt Mouth of Eel River 3 Comment
  UC774625  Grindelia hirsutula Carl B. Wolf 1937-9-9 9305 Humboldt coast 2 mi s of Cape Mendocino 6 Comment
  CDA6159  Grindelia stricta var. platyphylla T. C. Fuller 1958-6-17 1719 Humboldt Maritime bluff above Oceanhouse, Cape Mendocino. 0 Comment
  CHSC69498  Grindelia stricta var. platyphylla Vernon Oswald; Lowell Ahart 1997-9-4 8845 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  CHSC31291  Grindelia stricta var. stricta Mark Stopher 1980-7-11 113 Humboldt Elk River mitigation site, in lower portions of site and in marsh. 1 Comment
  HSC56354  Hackelia bella Griswold, Butler 1979-7-10 6325 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  JEPS67940  Hackelia bella H. W. Grinnell 1932-7-22 Humboldt near Blake Lookout; South Fork Mountain Comment
  RSA254793  Hackelia bella D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5571 Humboldt Westward lower slopes of Black Lassic near Trinity County line 1585 Comment
  HSC73632  Helenium bigelovii M. A. Baker 1980-7-22 3100 Humboldt Near Grogan Hole 152 Comment
  UC205209  Helenium bigelovii Joseph P. Tracy 1919-9-18 5245 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1524 Comment
  CAS-BOT-BC306618  Helenium bigelovii Henry M. Pollard 1947-8-31 s.n. Humboldt Klamath River bar nr. Woodson's placer mine, Orleans region Comment
  UC1409057  Helenium bolanderi Robert F. Thorne and P. Everett 1965-8-7 35194 Humboldt at s end Big Lagoon 1 Comment
  UC525571  Heliotropium curassavicum Joseph P. Tracy 1927-6-26 8210 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 6 Comment
  HSC6064  Helminthotheca echioides Wm. F. Bowman 1968-11-9 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  HSC96210  Hemizonella minima J. McIntire, S. Lyon 2005-6-10 10 Humboldt Ca. 0.7 mi. due W of Spike Buck Mtn. off F.S. Road NF1 1610 Comment
  UC582405  Hemizonella minima Joseph P. Tracy 1930-6-16 8958 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  SEINET10313942  Hemizonia congesta Unknown 1966-6-15 2091 Humboldt Humboldt County Comment
  SEINET7887160 Image available Hemizonia congesta subsp. tracyi S. K. Harris 1936-1 699 Humboldt above Van Duzen River about 1 mile west of Bridgeville Comment
  CDA40920  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 3 of 3 0 Comment
  UC180205  Heracleum lanatum Joseph P. Tracy 1914-6-14 4511 Humboldt Carlotta North Coast Ranges, Carlotta 60 Comment
  UC180509  Heracleum lanatum Joseph P. Tracy 1914-6-14 4511 Humboldt Carlotta North Coast Ranges, Carlotta 60 Comment
  HSC60360  Heracleum maximum Clark L. Miller 1979-5-13 1120 Humboldt N of Trinidad along Patricks Point Dr. Comment
  HSC74733  Heterocodon rariflorum Gail Newton 1981-7-24 2318 Humboldt Near Chaparral Mtn. 1433 Comment
  SEINET10460656  Heterocodon rariflorum Tracy TRACY 2199 Humboldt EUREKA Comment
  SEINET10972515  Heterocodon rariflorum Harold E. Parks, Joseph P. Tracy Parks 11084 Humboldt GROUSE MTN Comment
  CAS-BOT-BC311082  Heterotheca oregona var. rudis L. R. Abrams 1916-7-11 6066 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  HSC44335  Heuchera micrantha Brad Klipfel 1975-6-17 676 Humboldt Horse Mtn. Comment
  HSC56071  Heuchera micrantha G. L. Clifton, Griswold 1979-7-31 11740 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  BLMAR81  Heuchera micrantha Jennifer Anthony-Wheeler 1994-6-2 81 Humboldt IAQUA, growing along moist, rocky banks 3/4mi from pvd 853 Comment
  UC154083  Heuchera micrantha var. diversifolia Joseph P. Tracy 1908-6 2865 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  UC902009  Heuchera micrantha var. macropetala Joseph P. Tracy 1948-8-15 18139 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC312388  Hieracium albiflorum Doris K. Kildale 1927-7-17 3752 Humboldt Bug Creek 792 Comment
  HSC40964  Hieracium albiflorum Linda M. Barker 1976-6-14 1591 Humboldt 3 mi. W of Arcata Comment
  HSC98711  Hieracium albiflorum Cara Witte 2007-7-25 577 Humboldt Forest Service Road 5N10. 2.5 miles east of intersection with National Forest 1. 1327 Comment
  UC166227  Hieracium albiflorum Joseph P. Tracy 1908-6 2880 Humboldt nw slope Buck Mountain (near Van Duzen River); Northern Coast Ranges, Van Duzen River 762 Comment
  UC419046  Hieracium albiflorum H. E. Parks, J. P. Tracy 1930-9-15 768 Humboldt near Kneeland; Bald Hills Comment
  RSA168836  Hieracium bolanderi Joseph P. Tracy 1947-7-9 17849 Humboldt Horse Mountain 1432 Comment
  HSC58147  Hieracium greenei Muth 1979-8-1 12190 Humboldt Near Red Cap Prairie 1781 Comment
  HSC58196  Hieracium greenei G. L. Clifton, Griswold 1979-8-2 12295 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC34531  Hieracium nudicaule Chesnut and Drew 1888-7-21 Humboldt South Fork <???> Comment
  UC526828  Hierochloe occidentalis Joseph P. Tracy 1926-2-28 7382 Humboldt Willow Creek Canyon Northern Coast Ranges 304 Comment
  HSC36131  Hippuris vulgaris Trygve F. Dahle III 1972-11-18 7 Humboldt Clam Beach ponds Comment
  UC275348  Hirschfeldia incana Joseph P. Tracy 1924-8-4 6739 Humboldt railroad station Eureka 0 Comment
  HSC38837  Holcus lanatus R. Sutherland 1976-8-13 3 .13876 Humboldt Just above Whittemore Grove. 168 Comment
  SEINET4585084  Holcus lanatus H. Parks, S. Parks 1943-1 24260 Humboldt North Coast Ranges, Spruce Cove, Trinidad. 61 Comment
  UCD81679  Holcus lanatus Chuck Hughes 2009-6-18 99 Humboldt Near Arcata. NE corner of intersection of Old Samoa Road and Pacheco Road. 1 Comment
  HSC23709  Holodiscus discolor Tim Baroni 1971-6-25 43 Humboldt Comment
  JEPS44652  Holodiscus discolor L. Constance 1934-6-4 812 Humboldt Look Prairie; Dyerville; Bull Cr. road; South Fork of Eel River; Look Prairie, and Bull Cr. road, to Dyerville. Comment
  HSC37949  Hordeum brachyantherum Peter Sorensen 1976-6-16 Humboldt Woodley Island Comment
  UCD85279  Hordeum brachyantherum A. A. Beetle; J. P. Tracy, G. L. Stebbins 1942-6-2 3463 Humboldt 1 mile E of Alton. Comment
  UC1132100  Hordeum brachyantherum subsp. brachyantherum H. L. Person 1932-5-11 Humboldt near Arcata; Eureka Quad. Comment
  HSC70402  Hordeum marinum subsp. gussoneanum M. A. Baker 1980-6-7 1843 Humboldt Near Ammon Creek 732 Comment
  UC50483  Hordeum marinum subsp. gussoneanum Joseph Burtt Davy 1899-6-8 5342 Humboldt Bell's Springs Comment
  UC1198713  Horkelia californica Joseph P. Tracy 1910-7-24 3159 Humboldt s side Humboldt Hill; Humboldt Bay 152 Comment
  HSC18779  Horkelia californica var. californica J. P. Tracy 1937-8-22 15672 Humboldt S of Fields Landing 6 Comment
  UC902135  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1949-8-4 18414 Humboldt Mud Springs Trinity Summit 1341 Comment
  JEPS102925  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1987-6-11 8553 Humboldt Along FS Rd 13N01 .25 mi S of turnoff to Onion Lake Comment
  HSC100885  Hosackia subpinnata Carl C. Marshall 9 Humboldt No data. Comment
  HSC62699  Hydrocotyle ranunculoides Michelle Stevens 1979-5-18 118 Humboldt Ponds across from Clam Beach 0 Comment
  HSC57682  Hydrophyllum occidentale G. L. Clifton, Griswold 1979-7-25 10890 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC96244  Hydrophyllum occidentale April A. Allard, Gregory O'Connell 2005-6-10 9 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF 1 1402 Comment
  UC35528  Hydrophyllum occidentale Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  UC562602  Hydrophyllum tenuipes Joseph P. Tracy 1924-6-1 6690 Humboldt Lawrence Creek Northern Coast Ranges (at crossing of Kneeland Road) 457 Comment
  UC1103553  Hypericum anagalloides Joseph P. Tracy 1935-7-25 14229 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  UC1103552  Hypericum anagalloides Mrs. Alma Bonstell 1912-8-5 Humboldt Christmas Prairie Northern Coast Ranges, Christmas Prairie 914 Comment
  CAS-BOT-BC401233  Hypericum perforatum L. R. Abrams 1916-7-11 5973 Humboldt Alders Point Comment
  CDA30714  Hypericum perforatum M. K. Beyers, I. Shepardson 2009-9-13 250 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
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC75374  Hypericum perforatum J. O. Sawyer, M. A. Ericksen 1980-7-7 3576 Humboldt Slopes along Aikens Creek, Adroni Research Area 457 Comment
  UC668256  Hypericum perforatum Joseph P. Tracy 1933-7-21 12820 Humboldt Valley of S. Yager Creek 762 Comment
  UCD110368  Hypericum perforatum subsp. perforatum David Board 1920-9-1 s.n. Humboldt Lone Star Ranch, Iaqua. Comment
  HSC100439  Hypochaeris glabra Carl C. Marshall May 1885 44 Humboldt Roadsides, etc. Comment
  UC1173718 Image available Iliamna latibracteata Joseph P. Tracy 1939-7-23 16350 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
Read comments
Feb 27 2012
  HSC55838  Ipomopsis aggregata G. L. Clifton, Griswold 1979-7-25 10775 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1197890  Ipomopsis aggregata Joseph P. Tracy 1932-7-17 10657 Humboldt at Corral Prairie Trinity Summit 1584 Comment
  RSA366781  Iris Anstruther Davidson 1918-07 3343 Humboldt Eel River. Comment
  UC14921  Iris douglasiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5441 Humboldt Hubbard's Station to Elk Prairie; North Coast Ranges Comment
  CDA33248  Iris purdyi Gordon Leppig 1998-6-1 867 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  HSC36790  Iris purdyi Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-20 2052 Humboldt Beside FS Rd. 2S08 to Pine Mtn. Comment
  RSA135821  Iris purdyi E. K. Balls 1957-5-25 22601 Humboldt 0.2 mile west of Trinity-Humboldt County line, along State Highway 36 732 Comment
  UC1005679  Iris purdyi Frank W. Gould 1939-5-30 832 Humboldt about 25 mi due e Eureka (Horse Mountain, along road about halfway-up the mountain road); Horse Mountain 1000 Comment
  CAS-BOT-BC506663  Iris tenax subsp. klamathensis Dana York; Kim Hayler 2012-5-18 3105 A Humboldt Six Rivers National Forest, near Somes Bar, 585 m SE of the confluence of the Klamath and Salmon rivers, E and above highway 96 215 Comment
  JEPS88855  Iris tenax subsp. klamathensis Carol A. Wilson 1992-5-15 92 -ph20 Humboldt just s Orleans (along Icesee Road from where it leaves Hwy 96 to top of hill) Comment
  SEINET12051377  Iris tenax subsp. klamathensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -314 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC64219  Iris tenuissima J. O. Sawyer, M. A. Ericksen 1979-6-23 3382 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC74329  Iris tenuissima M. A. Baker 1980-6-16 1958 Humboldt Near Onion Mtn. 1280 Comment
  SEINET3875940  Iris tenuissima Thomas Nelson, James Nelson 1973-5-28 935 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  UC14930  Iris tenuissima Mrs. M. H. Manning Apr 1902 Humboldt near Hupa Comment
  RSA136529  Iris tenuissima Lee W. Lenz 1953-5-12 18295 Humboldt 2 miles west Humboldt County line, Highway 299 180 Comment
  UC429166  Iris tenuissima P. E. Goddard 1907-5-29 103 Humboldt Van Duzen Comment
  HSC99375  Iris tenuissima subsp. tenuissima K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 24 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  HSC61723  Isatis tinctoria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 238 Comment
  SEINET200597 Image available Isoetes J. P. Tracy 1935-5-25 13842 Humboldt Fort Seward 107 Comment
  HSC44048  Isoetes bolanderi Thomas W. Nelson, Jane Nelson 1977-6-19 3507 Humboldt Above Alder Springs 1585 Comment
  HSC7449  Isolepis cernua D. E. Anderson 1961-9-2 1763 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  HSC90644  Isolepis cernua Gail Newton 1982-5-2 2513 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA246917  Isolepis cernua Robert F. Thorne, Percy C. Everett 1965-8-7 35215 Humboldt Samoa Peninsula: near sea level Comment
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Sep 12 2018
  CAS-BOT-BC112457  Isolepis cernua Doris K. Kildale 1927-6-25 3556 Humboldt Shelter Cove, coastal. Comment
  RSA181881  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River. 3 Comment
  SEINET10474757  Jaumea carnosa Mary Susan Taylor 1990-8-22 Taylor 6088 Humboldt Cypress Grove Area, Samoa Peninsula, along strand, Eureka. Comment
  HSC44317  Juncus bolanderi Thomas W. Nelson, Jane P. Nelson 1977-9-3 3735 Humboldt Logging road to Pine Mtn., E of Pine Mtn. 1463 Comment
  UC183674  Juncus bolanderi Joseph P. Tracy 1908-7-22 2907 Humboldt between Van Duzen and Mad Rivers (on Dinsmore's Ranch); Northern Coast Region 1066 Comment
  SEINET6333123  Juncus bufonius S. T. Parks, H. E. Parks 24254 Humboldt North Coast Ranges, Spruce Cove, Trinidad 61 Comment
  HSC14019  Juncus ensifolius H. E. Parks, J. P. Tracy 1924-8-3 2400 Humboldt Big Lagoon Comment
  HSC102072  Juncus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 974 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC183659  Juncus occidentalis Joseph P. Tracy 1911-7-7 3398 Humboldt 3 mi nw junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC184752  Juncus occidentalis Joseph P. Tracy 1908-7-9 2830 Humboldt near Buck Mountain summit; Northern Coast Ranges 1219 Comment
  HSC102129  Juncus parryi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1033 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  RSA368144  Juncus patens J. P. Smith, Steve Selva 1970-6-14 3822 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  UC249816  Juncus phaeocephalus Joseph P. Tracy 1924-7-13 6733 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA168869  Juncus phaeocephalus var. phaeocephalus Joseph P. Tracy 1934-7-13 13391 Humboldt Dow s Prairie. 61 Comment
  JEPS66621  Kalmia polifolia subsp. microphylla W. L. Jepson 1902-7-23 2109 Humboldt Trinity Summit 2133 Comment
  CAS-BOT-BC235887  Keckiella corymbosa Carl B. Wolf 1927-8-30 1237 Humboldt 2 mi. so. of Petrolia on Matole [Mattole] River near where road crosses river Comment
  JEPS23776  Keckiella corymbosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-5 6929 Humboldt just s Richardson Grove (along U.S. Highway 101) 68 Comment
  UC213143  Keckiella lemmonii E. Ethel Tracy 1919-8-1 Humboldt Trinity Summit; Northern Coast Ranges 1524 Comment
  UC582472  Kickxia elatine Joseph P. Tracy 1934-6-22 13246 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC61761  Kickxia elatine Ruby Van Deventer 1963-7-14 Humboldt Along the Klamath River at Pecwan Comment
  UC922033  Koeleria macrantha Joseph P. Tracy 1936-8-2 15072 Humboldt French Camp Ridge 1066 Comment
  UCD133531  Lactuca saligna Joseph P. Tracy 1946-8-25 17650 Humboldt Eel River, Alton to Fortuna. 15 Comment
  UC169331  Lagophylla ramosissima Joseph P. Tracy 1912-8-3 3965 Humboldt opposite Buck Mountain (in field); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC1239674  Lamium purpureum Ralph Ferguson 1948-4-12 Humboldt Eureka; in district s of Harris Street 45 Comment
  UC1223222  Lapsana communis Joseph P. Tracy 1950-7-6 18984 Humboldt 2 mi w Bridgeville (along the Trinity Highway) Comment
  UC1223223  Lapsana communis Joseph P. Tracy 1950-8-7 19275 Humboldt 1 mi w of lower end Croghan Hole; Trinity Summit Comment
  RSA170204  Lapsana communis Joseph P. Tracy 1944-7-3 17482 Humboldt Graham's Peach Orchard. Trinity River Valley at Willow Creek. 152 Comment
  RSA94807  Lapsana communis F. W. Peirson 1926-7-12 7040 Humboldt Redwood Creek, Orick. Comment
  JEPS10178  Lasthenia californica subsp. californica W. L. Jepson 1902-6-10 1885 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC1223220  Lasthenia glaberrima Joseph P. Tracy 1951-6-21 19530 Humboldt back Everett Beck house (formerly George Gray's) (Hydesville); in bed of former Goose Lake, Hydesville Comment
  CHSC71616  Lathyrus biflorus Kenneth W. Fuller 1998-7-2 Humboldt Collected on Red Mountain. 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
  UC162576  Lathyrus jepsonii var. californicus Harley P. Chandler Jun 1910 1507 Humboldt Klamath River North Coast Ranges 426 Comment
  SDSU4464  Lathyrus latifolius D. F. Howe 1959-8-4 2807 Humboldt Roadside 9 miles east of Arcata on #299. Comment
  UC494166  Lathyrus littoralis H. E. Parks 1930-5-24 798 Humboldt Little River Lagoon Comment
  UC160918  Lathyrus littoralis Joseph P. Tracy 1909-7-18 3022 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC162839  Lathyrus littoralis Joseph P. Tracy 1906-5-13 2451 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  HSC14751  Lathyrus nevadensis var. nevadensis D. E. Anderson 1962-5-1 2203 Humboldt 1 mi. W of Hoopa Comment
  JEPS79916  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1922-5-29 6062 Humboldt Northern Coast Ranges, South Yager Creek Valley South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  UC709414  Lathyrus palustris Joseph P. Tracy 1940-9-26 16727 Humboldt Eureka Comment
  POM277779  Lathyrus polyphyllus Lyman Benson 1928-7-9 379 Humboldt Weott Ranger Station. Seaward N coast. Watershed- South Fork Eel Rivers. 61 Comment
  HSC100520  Lathyrus torreyi Carl C. Marshall Jun 1886 319 Humboldt Trail E of Hoopa. Comment
  SEINET956313  Lathyrus vestitus Joseph P. Tracy 1929-1 8579 Humboldt Phillipsville. Comment
  HSC81966  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4942 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC34455  Layia carnosa J. P. Smith, J. O. Sawyer 1975-5-11 8078 Humboldt Samoa Peninsula, just N of Coast Guard Station boundary. Comment
  UC183700  Ledum glandulosum Joseph P. Tracy 1913-9-9 4399 Humboldt Patrick's Point; Northern Coast Ranges, Patrick's Point 30 Comment
  CAS-BOT-BC339130  Leontodon saxatilis subsp. saxatilis Alice Eastwood 1923-8-16 12340 Humboldt Carlotta Comment
  HSC67446  Leontodon saxatilis subsp. saxatilis J. P. Smith 1971-10-6 4959 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC175386  Leontodon saxatilis subsp. saxatilis J. P. Tracy 1909-7-4 3008 Humboldt immediate vicinity Eureka 0 Comment
  POM17172  Lepidium didymum J. B. Feudge 1923-7-22 67 Humboldt Fortuna. 15 Comment
  UCD118584  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt near Blocksburg. Comment
  HSC35964  Leptosiphon androsaceus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1948 Humboldt Hwy. 36, 5 mi. E of Bridgeville Comment
  UC1225825  Leptosiphon latisectus Joseph P. Tracy 1948-6-13 18048 Humboldt 2 mi n Harris 609 Comment
  UC249851  Lessingia nemaclada Joseph P. Tracy 1923-9-10 6546 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC94818  Leucanthemum vulgare R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-6 837 Humboldt Humboldt Redwoods S.P., Pole Line Prairie along Pole Line Road, 1 air mi. N of Mattole Rd., 6 mi. E of Hwy. 101 274 Comment
  HSC5356  Leucanthemum vulgare H. E. Parks, S. T. Parks Aug 1943 24257 Humboldt Spruce Cove, Trinidad. 61 Comment
  SEINET4691296 Image available Leucanthemum vulgare Joseph P. Tracy 1918-1 5080 Humboldt Northern Coast Range; Around Humboldt Bay; Humboldt Hill 152 Comment
  HSC5363  Leucanthemum vulgare Paul Shields 1955-6-10 Humboldt Humboldt State University campus. Comment
  HSC81933  Leucanthemum vulgare Thomas W. Nelson, Jane P. Nelson 1979-7-3 4960 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UCD134127  Leucanthemum vulgare Lincoln Constance 1934-6-6 827 Humboldt Bull Creek Region, South Fork Eel Rive, Fire Trail, Dyerville to Horse Prairie and return. Comment
  SEINET3071950  Lewisia cotyledon var. howellii Lincoln Constance, Reed C. Rollins 1942-1 2885 Humboldt Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 150 Comment
  HSC101974  Lewisia triphylla M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 871 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC436493  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt Humboldt Bay, near top of Humboldt Hill 152 Comment
  HSC56158  Ligusticum grayi G. L. Clifton, Terry Griswold 1979-8-1 12025 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  CAS-BOT-BC508400  Lilium columbianum L. R. Abrams; R. Bacigalupi 1922-6-25 8260 Humboldt Between Trinidad and Big Lagoon Comment
  RSA130333  Lilium columbianum Albert M. Vollmer, L. Beane 1953-07 121 Humboldt Humboldt County Comment
  SEINET3887487  Lilium columbianum Thomas Nelson, Jane P. Nelson; James Nelson 1975-7-15 2036 Humboldt Along old highway 101 north of Trinidad.; 0 Comment
  JEPS62049  Lilium kelloggii Milo S. Baker 1923-7-29 145 Humboldt near Lawrence Creek Comment
  UC1197702  Lilium occidentale Doris Kildale 1925-7-20 Humboldt near Bayside 15 Comment
  HSC36887  Lilium pardalinum subsp. pardalinum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2060 Humboldt Beside Rd. 2S08 to Pine Mtn. Comment
  HSC99049  Lilium pardalinum subsp. pardalinum Cara Witte 2008-7-25 932 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1.5 mile north of intersection with Forest Service Road 5N39. 1473 Comment
  RSA130783  Lilium pardalinum subsp. vollmeri Albert M. Vollmer 1949-7-1 2 Humboldt Bog on Bald Mountain Comment
  CAS-BOT-BC132969  Lilium rubescens Ella Dales Cantelow 1939-6-4 2443 Humboldt 6 1/10 mi. s. of Bridgeville on road from Alder Point Comment
  HSC15581  Lilium rubescens Paul Shields 1955-6-12 Humboldt 6 miles west of Meyers Flat Comment
  CAS-BOT-BC133012  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-9 5697 Humboldt Bug Creek, Chaparral Mountain 914 Comment
  OBI12584  Limnanthes douglasii Carl B. Wolf 1937-6-14 8818 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  UC1005678  Linanthus androsaceus Frank W. Gould 1939-5-30 834 Humboldt about 25 mi due e Eureka (near lower end of mountain road); Horse Mountain 304 Comment
  SEINET8729346 Image available Linanthus harknessii Joseph P. Tracy 1933-1 1283 Humboldt Grouse Mountain. Comment
  CAS-BOT-BC416392  Linnaea borealis subsp. longiflora H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  UC1196365  Lithocarpus densiflorus Joseph P. Tracy 1948-8-15 18137 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC36104  Lithocarpus densiflorus var. densiflorus Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC1196490  Lithophragma affine Joseph P. Tracy 1941-3-26 16819 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, at Willow Creek 152 Comment
  UC1196492  Lithophragma affine Joseph P. Tracy 1918-5-26 4944 Humboldt lower foothills towards Redwood Creek Grouse Mt.; Northern Coast Ranges, , towards Redwood Creek 762 Comment
  HSC102632  Lithophragma campanulatum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1617 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1196488  Lithophragma campanulatum Joseph P. Tracy 1933-7-26 12926 Humboldt on the s slope Grouse Mountain; s slope Grouse Mountain 1219 Comment
  HSC89574  Lobularia maritima M. Roantree 1985-5-15 48 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  UCD115917  Lobularia maritima Joseph P. Tracy 1946-6-2 17556 Humboldt Garden escape, sand dunes, near Samoa, on Humboldt Bay. 6 Comment
  UC1223118  Logfia gallica Joseph P. Tracy 1950-6-23 18869 Humboldt 3 mi ne of Alderpoint; Doppyn Creek 213 Comment
  UC582504  Logfia gallica Joseph P. Tracy 1935-5-30 13914 Humboldt Willow Creek, Trinity River Valley, Willow Creek 152 Comment
  UC1103155  Lolium multiflorum Joseph P. Tracy 1927-7-16 8252 Humboldt mouth of Elk River; North Coast Ranges, mouth of Elk River 6 Comment
  HSC47797  Lolium perenne Michael A. Watkins 1978-6-10 1 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  UC33879  Lolium temulentum Chesnut and Drew 1888-7-13 Humboldt Campbell's Comment
  HSC74397  Lomatium californicum Gail Newton 1980-6-28 721 Humboldt Near Mad River Butte. 1536 Comment
  RSA254759  Lomatium californicum Thomas W. Nelson, James Nelson 1973-5-28 954 Humboldt McKeown Ranch north of Dinsmore. Comment
  SEINET3132617  Lomatium dasycarpum D. E. Anderson 1965-5-1 3588 Humboldt dry highway backslope along Hw. 96, 3-4 south of Weitchpec Comment
  UC154252  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy July, 1908 2890 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt & Trinity Co.'s); Northern Coast Ranges, Humboldt & Trinity Co.'s 914 Comment
  UC21254  Lomatium dasycarpum subsp. dasycarpum Harley P. Chandler June, 1901 1445 Humboldt North Coast Ranges, Klamath R. Comment
  HSC55723  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-26 10172 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC74381  Lomatium macrocarpum M. A. Baker 1980-6-28 2477 Humboldt Near Mad River Buttes 1445 Comment
  HSC63089  Lomatium martindalei M. A. Baker 1979-7-6 1013 Humboldt 0.6 k. W of FS 15N01 on FS 12N16 toward Bald Mtn. Comment
  CHSC97956  Lomatium nudicaule Kaylea Eickhoff; Cara M. Witte 2005-6-3 1 Humboldt White Oak Opening, 19.3 miles south of Hwy. 299 on NF1. UTM 0441136, 4507151. 1240 Comment
  UC1222757  Lomatium nudicaule Joseph P. Tracy 1951-6-26 19573 Humboldt vicinity Twin Lakes Comment
  JEPS14248  Lomatium tracyi Joseph P. Tracy 1933-7-25 12895 Humboldt Grouse Mountain; ; Grouse Mt. 1524 Comment
  HSC32917  Lomatium utriculatum Thomas W. Nelson, James Nelson 1973-5-28 965 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC58184  Lonicera conjugialis G. L. Clifton, Griswold 1979-8-2 12272 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99456  Lonicera conjugialis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 108 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
  HSC60071  Lonicera hispidula var. vacillans M. A. Baker 1978-5-20 563 Humboldt W side of the Klamath River along Hwy. 96 Comment
  UC602569  Lonicera hispidula var. vacillans Joseph P. Tracy 1928-7-1 8479 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC91605  Lonicera involucrata E. Mackey 1986-5-13 Humboldt Patrick's Point State Park. Comment
  UCR27010  Lonicera involucrata A. C. Sanders 1981-8-4 2262 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  SEINET5736924 Image available Lotus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6108 Humboldt From California 299 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4), travel 4.5 miles to collection site. Comment
  SEINET3523625 Image available Lotus americanus Joseph P. Tracy 1912-7-24 3807 Humboldt Eureka 0 Comment
  HSC25291  Lotus corniculatus R. Spellenberg 1964-6-15 409 Humboldt 0.5 mi. S of Humboldt Hill exit, 5 mi. S of Eureka Comment
  UC1197309  Lotus crassifolius var. crassifolius Joseph P. Tracy 1911-7-7 3416 Humboldt between Willow Creek and Campbell Creek (vis ridge n of Willow Creek, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC1223434  Lotus crassifolius var. crassifolius Joseph P. Tracy 1935-7-29 14341 Humboldt ne of Ranger Station (at beginning of Salmon Summit Trail, Humboldt County side); Trinity Summit, Salmon Summit Trail Comment
  SEINET3696599 Image available Lotus douglasii Joseph P. Tracy 1911-7-6 3358 Humboldt Road between Three Creeks and mouth of Willow Creek 762 Comment
  HSC97929  Lotus nevadensis var. douglasii Cara Witte 2007-6-14 284 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  UC1197315  Lotus pinnatus J. P. Tracy 1901-6-30 1201 Humboldt immediate vicinity Eureka 0 Comment
  UC303190  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6271 Humboldt Big Lagoon Northern Coast Region 6 Comment
  SEINET3136450  Lotus yollabolliensis R. W. Spellenberg 1990-7-9 10230 Humboldt 7 air mi WNW of Hyampom, 40 mi S of Calif. Hwy 299 and Berry Summit on USFS Road 1, ca 1 mi N of Blake Mtn. on South Fork Mtn 1768 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
  RSA104807  Lupinus adsurgens var. adsurgens E. R. Drew, Chestnut 1888-7-21 146385 Humboldt S Fork Mtn. Comment
  UC170029  Lupinus affinis Joseph P. Tracy 1912-6-9 3678 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  SEINET10488353  Lupinus affinis Charles Piper Smith 1948-5-10 Smith 48248 Humboldt Hwy 101. 0.2 Miles s of miranda Comment
  UC502997  Lupinus albicaulis var. shastensis Joseph P. Tracy 1932-7-15 10586 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit, e of Corral Prairie 1828 Comment
  HSC49997  Lupinus andersonii M. A. Baker 1979-6-7 789 Humboldt W slope of Snow Mtn. 762 Comment
  BLMAR751  Lupinus arboreus Kate McGrath 2015-7-28 751 Humboldt Samoa Peninsula, Along New Navy Base Rd; through Recreation Area 1 Comment
  CAS-BOT-BC196400  Lupinus arboreus Dziekanowski; Dunn; Bennett 1976-8-6 2501 Humboldt On the beach opposite McKinleyville 3 Comment
  HSC90219  Lupinus arboreus L. Watson, J. Meninga Aug 1990 7 Humboldt Near Manilla. Mad River Slough and Dunes. 30 yds. N of parking lot, W side of trail. Comment
  UC484046  Lupinus arboreus Carl B. Wolf 1930-10-28 1780 Humboldt Samoa; Humboldt Bay, Samoa 15 Comment
  RSA98774  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19868 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  BLMAR611  Lupinus bicolor Jennifer Wheeler 2011-4-22 611 Humboldt King range, Strawberry Rock 243 Comment
  JEPS82142  Lupinus constancei Thomas W. Nelson and Jane P. Nelson 1982-7-9 7079 Humboldt Mt. Lassic (Signal Peak) and saddle to e North Coast Ranges, Blockburg Quad., Mt. Lassic (Signal Peak; Blocksburg Quadrangle on Mt. Lassic (Signal Peak), Humboldt Co. 1767 Comment
  JEPS82252  Lupinus formosus var. formosus Roger Raiche 1983-7-19 30539 Humboldt Wilder Ridge Road 1 mi n of its intersection with Kings Peak Road (and the road to Ettersburg); Wilder Ridge Road 548 Comment
  HSC61195  Lupinus latifolius Jimerson, J. Pageau 1979-5-24 475 Humboldt Near Orleans 226 Comment
  HSC48616  Lupinus latifolius Mark Flippo 1978-5-29 93 Humboldt MKinleyville, Bella Vista Rd. Comment
  SEINET12154561  Lupinus latifolius H. P. Chandler 1901-1 1365 Humboldt Kalmath River 152 Comment
  SEINET12154563  Lupinus latifolius J. P. Tracy 1936-1 15036 Humboldt Grouse Mtn 1524 Comment
  UC168977  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-6-9 3663 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  POM276552  Lupinus littoralis Lyman D. Benson 1928-7-10 446 Humboldt Clam Beach, Trinidad. 12 Comment
  UC156982  Lupinus littoralis Joseph P. Tracy 1900-7-4 870 Humboldt sand dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, Ocean Beach at Humboldt Bay Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  SEINET10451628  Lupinus nanus subsp. nanus Smith 1948-5-10 Smith 48253 Humboldt Hwy 101, garberville, .3 mi n. Comment
  HSC100523  Lupinus rivularis Carl C. Marshall May 1886 211 Humboldt Everywhere. Comment
  HSC14864  Lupinus rivularis T. W. Beck 1963-4-27 36 Humboldt Humboldt Meridian. Camp Bauer, Korbel. Near the Mad River. Comment
  SBBG13914  Lupinus rivularis H. and M. Dearing 1933-5-17 2957 Humboldt N of Big Lagoon Comment
  SBBG13907  Lupinus rivularis H. and M. Dearing 1939-6-23 3694 Humboldt 12 mi E of Arcata Comment
  POM10718  Lupinus sellulus var. medius H. P. Chandler 1498 Humboldt Klamath River. 427 Comment
  HSC59452  Lupinus tracyi Richard Runyon 1979-6-27 42 Humboldt Along trail to Trinity Summit Station, 50' S of intersection of Grogan hole-Devils backbone trail 1768 Comment
  HSC59591  Lupinus variicolor Rick Lundquist 1979-4-6 2 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  HSC40816  Luzula comosa Thomas W. Nelson, Jane P. Nelson 1976-6-22 2863 Humboldt Along Rd. to Goat Hill. 1646 Comment
  HSC57382  Luzula comosa Overton, Butler 1979-7-26 10102 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  HSC71599  Luzula comosa M. A. Baker 1980-6-26 2412 Humboldt Near Sims Creek 610 Comment
  UC2983  Luzula comosa Harley P. Chandler May, 1901 1159 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 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
  UC1152144  Luzula comosa Joseph P. Tracy 1951-6-26 19546 Humboldt Snow Camp Meadow in boggy ground Snow Camp Meadow Comment
  UC183777  Luzula macrantha Joseph P. Tracy 1901-5-12 1087 Humboldt At Eureka; Northern Coast Region 0 Comment
  HSC58241  Luzula parviflora G. L. Clifton, Griswold 1979-8-2 12406 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC59471  Luzula parviflora M. A. Ericksen 1979-5-9 261 Humboldt Behind Jolly Giant Creek HSU campus, Arcata Comment
  UC1157634  Luzula parviflora Milo S. Baker 1947-8-6 11870 Humboldt Prairie Cr. State Park Comment
  UC1239796  Lycopodium clavatum Joseph P. Tracy 1932-8-13 10341 Humboldt in woods around swamp 3 mi e Trinidad; Northern Coast Region 152 Comment
  UCD135967  Lycopodium clavatum K. Niles 1950-10-1 s.n. Humboldt Loleta. Comment
  CAS-BOT-BC215681  Lycopus uniflorus Carl B. Wolf 1927-8-22 786 Humboldt Big Lagoon Comment
  RSA47156  Lycopus uniflorus Doris K. Kildale 1926-7-16 2385 Humboldt Big Lagoon Comment
  CHSC7077  Lysichiton americanus K. Cox 1969-4-2 7 Humboldt Patrick's Point St. Pk. ca. 100 ft. S. campsite #43. Comment
  JEPS45986  Lythrum hyssopifolia Lincoln Constance 1934-5-27 693 Humboldt Bull Creek Region, South Fork Eel River, s end of Dyerville Bridge South Fork Eel River; Bull Creek Region, , Dyerville Bridge 45 Comment
  UC1198466  Lythrum hyssopifolia Joseph P. Tracy 1920-8-15 5380 Humboldt Klamath River at Bluff Creek, Northern Coast Ranges Bluff Creek; Northern Coast Ranges, Klamath River, Bluff Creek 152 Comment
  CDA5135  Lythrum hyssopifolia T. C. Fuller 1962-8-6 9356 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  CAS-BOT-BC343018  Madia gracilis Joseph P. Tracy 1934-7-18 13432 Humboldt North Coast Ranges. Grouse Mountain 1524 Comment
  CAS-BOT-BC343020  Madia gracilis Joseph P. Tracy 1935-7-23 14132 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  JEPS7503  Madia gracilis Joseph P. Tracy 1937-7-29 15596 Humboldt w slope near top South Fork Mountain (at Hyampom Trail) 1676 Comment
  HSC35609  Madia gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2021 Humboldt Beside Bald Hills Rd. 1 mi. E of Redwood National Park Comment
  UC175195  Madia gracilis Joseph P. Tracy 1913-6-22 4258 Humboldt Dinsmore's Ranch; Valley of Van Duzen River, Buck Mountain 762 Comment
  UC175981  Madia gracilis Joseph P. Tracy 1908-6 2796 Humboldt Valley of Van Duzen River; Northern Coast Ranges, Buck Mountain 762 Comment
  POM362191  Madia madioides M. O'Mera 1974-7-1 541 Humboldt Kneeland, Barry Ridge, just off ridge Comment
  RSA11144  Madia minima C. B. Wolf 1934-7-2 5861 Humboldt Snow Camp (east of Korbel) 915 Comment
  CHSC69499  Madia sativa Vernon Oswald; Lowell Ahart 1997-9-4 8854 Humboldt Samoa Dunes Recreation Area at the south end of the North Spit separating Humboldt Bay from the ocean. 0 Comment
  RSA2932  Mahonia nervosa C. B. Wolf 1931-8-29 1243 Humboldt Near summit of Orick Hill on road to Weitchpec. 304 Comment
  HSC45618  Maianthemum dilatatum Diane L. Reed 1978-4-29 37 Humboldt Trinidad Head Comment
  RSA13579  Maianthemum dilatatum H. E. Parks 1932-05 4289 Humboldt Bishop Pine Lodge, Trinidad. Comment
  SBBG58753  Maianthemum dilatatum L. Rowntree -Jul-1931 Humboldt Carlotta Comment
  CAS-BOT-BC508504  Maianthemum dilatatum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC15597  Maianthemum dilatatum W. D. Stevens 1964-5-12 15 Humboldt E end of 14th St., Arcata Comment
  RSA24336  Maianthemum dilatatum Carl B. Wolf 1941-2-25 9959 Humboldt South side of Freshwater Lagoon 61 Comment
  UCD13245  Maianthemum dilatatum Peter Stekel 1974-6-1 143 Humboldt Patricks Point State Park, Agate Beach by U.S. hwy 101. Elev. 10 ft. 3 Comment
  HSC15643  Maianthemum racemosum subsp. amplexicaule Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  POM56123  Malacothrix floccifera Joseph P. Tracy 1918-7-6 5049 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  UC992620  Malus Rogers McVaugh 1941-8-3 6215 Humboldt 1 1/4 mi S of H. Q.; Patrick's Point State Park Comment
  SEINET12011533  Marah fabacea E. A. York 1990-1-10 2661 Humboldt USGS Redwood Field Station, Arcata Comment
  UC673066  Medicago arabica Joseph P. Tracy 1933-5-20 12220 Humboldt Capetown Bear River (valley along river) 30 Comment
  HSC48059  Medicago arabica Thomas W. Nelson 1978-4-24 3889 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC90387  Medicago polymorpha Jean Hanson 1980-4-12 46 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  HSC99797  Melianthus major Gordon Leppig 2005-1-6 2201 Humboldt PALCO timberlands, Van Duzen watershed, Fox Creek Drainage, 10 m E of Fox Creek Rd. on Rd. L35 60 Comment
  CAS-BOT-BC269350  Melica californica Joseph P. Tracy 1921-5-30 5491 Humboldt Northern Coast Ranges. Kneeland Prairie 762 Comment
  UC277170  Melica californica Joseph P. Tracy 1921-5-30 5491 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC1145131  Melica fugax Joseph P. Tracy 1936-7-5 15041 1/2 Humboldt Grouse Mountain 1524 Comment
  JEPS71244  Melica harfordii W. L. Jepson 1936-8-8 17860 Humboldt Richardson Grove; South Fork Eel River Comment
  UCD88654  Melica subulata A. H. Murphy 1951-6-25 67 Humboldt Snow Camp Meadow. 8 miles e.n.e of Kneeland. Comment
  UCD88660  Melica subulata H. L. Person 1932-5-11 19413 Humboldt Arcata. 0 Comment
  UCD88673  Melica subulata R. Tofsrud 1949-7-1 s.n. Humboldt On road from Scotia to Capetown. Comment
  UC277169  Melica torreyana Joseph P. Tracy 1921-4-24 5450 Humboldt Phillipsville Northern Coast Ranges, South Fork of Eel River (South Fork of Eel River) 91 Comment
  UC552688  Melica torreyana Joseph P. Tracy 1935-5-25 13887 Humboldt North Dobbyn Creek; North Coast Ranges 152 Comment
  POM66219  Melilotus albus Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  RSA167274  Melilotus albus Joseph P. Tracy 1949-7-7 18336 Humboldt Blue Slide, on Van Duzen River. Comment
  HSC15523  Melilotus indicus Jana Kattenhorn 1970-10-28 154 Humboldt Mad River at the mouth of Lindsey Creek, N Bank Rd. off Hwy. 299 Comment
  JEPS63288  Melissa officinalis W. L. Jepson 1932-8-2 16472 Humboldt Dyerville 76 Comment
  JEPS63463  Mentha canadensis Milo S. Baker 1923-8-4 178 Humboldt swamp s end Stone Lagoon; swamp s end of Stone Lagoon Comment
  RSA43834  Mentha canadensis H. M. Pollard 1947-8-28 s.n. Humboldt Near old placer mine, north of Forest Service Station, Orleans. Comment
  UCD125052  Mentha canadensis Malcolm A. Nobs; S. Galen Smith 1949-8-9 1241 Humboldt on south side of the town of Blue Lake. Comment
  UC1239689  Mentha spicata Joseph P. Tracy 1933-10-22 13104 Humboldt Trinity River Valley opposite mouth of Willow Creek Lack Pond; Northern Coast Ranges, Trinity River Valley oppos Willow Cre 152 Comment
  UC577377  Mentha spicata Joseph P. Tracy 1925-8-16 7233 Humboldt Trinity River Valley, near the South Fork; Northern Coast Ranges, Trinity River Valley, near South Fork 182 Comment
  JEPS42849  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1932-7-25 16397 Humboldt Eel River, Old Camp Grant Comment
  UC1225906  Menziesia ferruginea Joseph P. Tracy 1947-5-24 17687 Humboldt Big Lagoon 15 Comment
  CAS-BOT-BC348948  Microseris douglasii subsp. douglasii Joseph P. Tracy 1929-5-5 8560 Humboldt Miranda. Along South Fork of Eel River 121 Comment
  RSA167395  Microseris douglasii subsp. douglasii Joseph P. Tracy 1950-7-6 19001 Humboldt 2 miles south of Burr Valley, on the Albee Road. 1159 Comment
  JEPS13224  Microseris laciniata subsp. leptosepala W. L. Jepson 1902-6 1942 Humboldt Redwood Creek, Green Point Ranch Comment
  RSA167197  Microseris lindleyi Joseph P. Tracy 1947-5-10 17676 Humboldt Near Briceland Comment
  HSC57315  Microseris nutans Griswold, Butler 1979-7-10 6335 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC582733  Microseris nutans Joseph P. Tracy 1930-7-16 8901 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  POM247189  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain, near McKay Camp 1677 Comment
  HSC77403  Microsteris gracilis L. P. Janeway 1983-4-16 229 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  HSC98810  Microsteris gracilis Cara Witte 2007-5-21 56 Humboldt Board Camp Mountain. 1/2 mile south of intersection with 4N38 and National Forest 1. 1427 Comment
  UC147913  Mimulus alsinoides Joseph P. Tracy 1908-6-8 2634 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CDA41683  Mimulus alsinoides B. F. Kemp 1958-4-14 s.n. Humboldt Winters Ranch, north of Bald Hills School, near Eureka. 0 Comment
  UC1103331  Mimulus alsinoides Joseph P. Tracy 1925-4-5 6954 1/2 Humboldt Lawrence Creek slope Kneeland Prairie 762 Comment
  HSC101989  Mimulus breweri M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 888 Humboldt Patterson Meadows 1555 Comment
  HSC97174  Mimulus breweri Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 9 Humboldt 1 mi. east of Hwy. 299 on Forest Service Rd. NF1; Grouse Mountain Meadow 1585 Comment
  HSC42348  Mimulus cardinalis K. Irwin 1977-8-2 Humboldt Mad River at the Fish Hatchery, ca. 2 mi. S of Blue Lake Comment
  HSC20711  Mimulus dentatus P. Markle 1962-5-16 34 Humboldt Along road to City of Arcata reservoir Comment
  UC1191884  Mimulus grandis Malcolm A. Nobs, S. Galen Smith 1949-8-3 1192 Humboldt southern outskirts Eureka Comment
  HSC102176  Mimulus guttatus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1089 Humboldt Patterson Meadows 1555 Comment
  JEPS10799  Mimulus inodorus Joseph P. Tracy 1935-7-23 14165 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  UC1222801  Mimulus inodorus Joseph P. Tracy 1950-8-8 19283 Humboldt Croghan Hole Trinity Summit 1676 Comment
  HSC24378  Mimulus moschatus J. O. Sawyer 1970-6-24 2253 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC56317  Mimulus moschatus Overton, Butler 1979-8-2 12656 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC98844  Mimulus moschatus Cara Witte 2008-7-11 876 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  SEINET6904196  Minuartia californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC229832  Minuartia cismontana Joseph P. Tracy 1921-5-30 5479 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC668117  Minuartia nuttallii subsp. gregaria Joseph P. Tracy 1933-7-25 12829 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC433009  Mitella diversifolia J. H. Thomas 1949-6-13 911 Humboldt Between Le Perron Flat and Whitey's Peak, along trail. East of town of Orleans. 1371 Comment
  UC275345  Modiola caroliniana Joseph P. Tracy 1923-6-18 6288 Humboldt Northern Coast Ranges, Petrolia Petrolia Petrolia Petrolia; Northern Coast Ranges, Petrolia 60 Comment
  HSC4287  Moehringia macrophylla Lincoln Constance 1934-6-19 908 Humboldt Near summit of Grasshopper Peak, S Fork Eel River, Bull Creek region 915 Comment
  HSC96209  Moehringia macrophylla Rick Lindquist, C. Riley 2005-6-3 2 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1205 Comment
  UC1198327  Moehringia macrophylla Joseph P. Tracy 1927-6-12 8131 Humboldt Horse Mountain 1432 Comment
  UC13619  Moehringia macrophylla Chesnut and Drew 1888-8-9 Humboldt head of Redwood Creek Comment
  HSC57942  Monardella glauca G. L. Clifton, Griswold 1979-7-31 11612 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC57877  Monardella odoratissima subsp. pallida Overton, Butler 1979-7-31 11413 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC97456  Monardella odoratissima subsp. pallida Cara Witte 2007-6-12 240 Humboldt Horse Mountain Botanical Area. Near mine area. Forest Service Road 6N38. 1360 Comment
  UC718021  Monardella villosa subsp. villosa Carl B. Wolf 1934-7-3 5923 Humboldt Weitchpec junction of Klamath & Trinity Rivers, 200 yards west of School. 304 Comment
  RSA52284  Monotropa uniflora D. Meadows 1950-7-21 a.n. Humboldt Near Bear Trap on Irvine Trail, Prairie Creek State Park. Comment
  CAS-BOT-BC444805  Montia diffusa Volney Rattan 1882-1-1 s.n. Humboldt Unspecified Comment
  UC659346  Montia diffusa Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2615 Humboldt 1 mi below Dinsmore's (above Van Duzen River) 762 Comment
  CAS-BOT-BC233769  Montia howellii Joseph P. Tracy 1909-5-2 2956 Humboldt Eureka 60 Comment
  UC162354  Montia howellii Joseph P. Tracy 1909-5-2 2956 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC275281  Montia howellii Joseph P. Tracy 1923-6-20 6307 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC445150  Montia parvifolia H. D. Ripley; R. C. Barneby 1945-6-15 6806 Humboldt Trinidad Head 15 Comment
  HSC16103  Morella californica J. W. Johnson 1961-11-27 1431 Humboldt Woods along the trail of the Hunt Farm, Samoa Comment
  HSC62915  Morella californica J. M. DiTomaso 1979-4-1 835 Humboldt 3 mi. S of Arcata on Samoa Rd. Comment
  HSC58668  Muhlenbergia filiformis G. L. Clifton, Griswold 1979-8-1 12090 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  UC1239641  Myosotis discolor Joseph P. Tracy 1920-6-6 5337 Humboldt along Freshwater Creek near Wrangletown; Northern Coast Ranges 30 Comment
  HSC27886  Myosotis sylvatica Clifton Raymond Chesbrough 1973-6-19 74 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  RSA46887  Myrica californica Doris K. Kildale 1926-6-18 2393 Humboldt Gold Bluffs. Comment
  SEINET6671220 Image available Myrica californica Joseph P. Tracy 1931-1 9332 Humboldt Dows Prairie Comment
  SEINET200785 Image available Myriophyllum aquaticum J. P. Tracy 1933-7-20 12810 Humboldt Along Mad River; near Blue Lake. 15 Comment
  CAS-BOT-BC515983  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  UC907810  Navarretia atractyloides Joseph P. Tracy 1927-8-7 8307 Humboldt Willow Creek Schoolhouse Trinity River Valley, Willow Creek 152 Comment
  HSC55854  Navarretia divaricata G. L. Clifton, Griswold 1979-7-25 10837 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC52826  Navarretia divaricata subsp. vividior Chesnut and Drew 1888-7-23 Humboldt Hyampum Comment
  UC908378  Navarretia divaricata subsp. vividior Joseph P. Tracy Jul 16 1930-Jul 19 1930 9065 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC133641  Navarretia divaricata subsp. vividior Joseph P. Tracy 1906-7-4 2524 Humboldt near Hydesville (near mouth of Yager Creek); Northern Coast Region 60 Comment
  UC908394  Navarretia divaricata subsp. vividior Joseph P. Tracy 1934-7-9 13326 Humboldt n of Bell Springs; Northern Coast Ranges, Chamise Mt. 1066 Comment
  UC1197893  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1933-7-25 12866 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC133639  Navarretia linearifolia subsp. pinnatisecta Joseph P. Tracy 1908-6 2797 Humboldt opposite Buck Mountain (Valley of Van Duzen River, along Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  BLMAR163  Navarretia mellita Donald Hazlett 1994-6-7 163 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC198643  Navarretia tagetina Joseph P. Tracy 1916-6-19 4709 Humboldt Forks of Dobbyn Creek Northern Coast Ranges 182 Comment
  JEPS1883  Nemophila menziesii var. atomaria Joseph P. Tracy 1932-5-10 9928 Humboldt Bear River Ridge , Bear River Ridge (Northern Coast Ranges) 609 Comment
  HSC13585  Nemophila menziesii var. atomaria T. M. Mingo May 1965 Humboldt W of Fairhaven Dr. intersection with Hwy. 101 Comment
  SEINET5521025  Nemophila menziesii var. atomaria J. P. Tracy 1906-5-6 2445 Humboldt Near Hydesville 60 Comment
  BLMAR494  Nemophila parviflora Jennifer Wheeler 2009-4-30 494 Humboldt King range, Hidden Valley trail; trail start Comment
  HSC100498  Nemophila parviflora Carl C. Marshall Mar 1886 146 Humboldt About Arcata. Comment
  JEPS1920  Nemophila pedunculata Joseph P. Tracy 1917-4-29 4779 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC562589  Nemophila pedunculata Joseph P. Tracy 1936-6-17 14957 Humboldt on nw slope Buck Mountain (Burr Valley); Northern Coast Ranges, , Burr Valley 1066 Comment
  UC73585  Nicotiana quadrivalvis var. quadrivalvis Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5709 Humboldt Hoopa Valley Comment
  HSC77938  Noccaea fendleri subsp. californica Jimerson, D. K. Imper 1982-5-17 1434 Humboldt Near Ashfield Ridge. 822 Comment
  HSC64816  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer 1976-5-2 8632 Humboldt Redwood Creek-Hoopa Rd., 0.6 mi. W of its junction with Loop Rd. in Hoopa Reservation 122 Comment
  CAS-BOT-BC142251  Oemleria cerasiformis C. Hart Merriam 1918-8-11 s.n. Humboldt Blue Lake Comment
  CDA38490  Oenanthe sarmentosa Tario 1932-10-7 s.n. Humboldt [no further data] 0 Comment
  UC902173  Oenothera wolfii Joseph P. Tracy 1949-8-8 18401 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS26030  Orobanche californica subsp. californica Joseph P. Tracy 1939-8-6 16398 Humboldt Big Lagoon. Comment
  CAS-BOT-BC499672  Orobanche californica subsp. californica Edward Lee 1934-8-17 1152 Humboldt East shore of Big Lagoon, 35 mi N of Eureka 3 Comment
  JEPS12001  Orobanche fasciculata Joseph P. Tracy 1935-7-30 14374 Humboldt Salmon Summit. Comment
  UCD117696  Orthilia secunda D. C. Hagar 1957-7-25 L 15 Humboldt Mill Creek, 7.5 miles east-northeast of Hoopa. 1402 Comment
  HSC53930  Orthocarpus cuspidatus subsp. cuspidatus Terry Griswold, Marvin Butler 1979-7-11 6947 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek 1320 Comment
  RSA97541  Orthocarpus erianthus var. gratiosus L. S. Rose 1954-4-25 54014 Humboldt Samoa. Region of type locality. Comment
  HSC100677  Orthocarpus lithospermoides Carl C. Marshall Jun 1887 406 Humboldt Spruce Grove. Comment
  JEPS154  Osmorhiza occidentalis W. L. Jepson Jul 16 1902-Jul 23 1902 2045 Humboldt Trinity Summit 2133 Comment
  UC1103422  Oxalis albicans subsp. pilosa J. P. Tracy 1901-6-16 1149 Humboldt back of Bucksport 0 Comment
  CDA18211  Oxalis corniculata G. D. Barbe, T. C. Fuller 1974-6-17 1839 Humboldt North Coast Ranges; Shelter Cove, uphill, E of Sail Court. 91 Comment
  HSC104035  Oxalis oregana E. R. Fyer 2015-3-19 7 Humboldt Six Rivers National Forest; along the East Fork of Willow Creek, off Hwy. 299 484 Comment
  POM353447  Oxalis oregana Carolyn Sanford 1977-4-23 333 Humboldt 2.5 miles south of Shelter Cove Road, south fork of Bear Creek at Wailaki Campground 561 Comment
  UCR123951  Oxalis oregana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6976 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  RSA34052  Oxalis oregana A. A. Heller 1923-7-10 13787 Humboldt Humboldt Camp between Scotia and Pepperwood Comment
  SD103955  Oxalis oregana J. L. S. Simpson 1969-6-4 Humboldt In redwood forest along Highway 36. Comment
  SD64137  Oxalis oregana W. Bertsch 1953-7-30 223 Humboldt Redwoods-Dyerville Highway 101. 60 Comment
  UC1103420  Oxalis oregana Joseph P. Tracy 1923-5-13 6198 Humboldt near Strong's Station (on Van Duzen River); Northern Coast Ranges 60 Comment
  UC1103423  Oxalis suksdorfii Joseph P. Tracy 1913-7-20 4375 Humboldt Berry's Ranch Northern Coast Ranges (Redwood Creek) 609 Comment
  CAS-BOT-BC318152  Packera bolanderi var. bolanderi E. Hawver 1915-6-1 s.n. Humboldt near Carlotta Comment
  UC1103781  Panicum acuminatum var. acuminatum Joseph P. Tracy 1927-5-14 8003 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley nr South Fork 182 Comment
  UC1713146  Panicum acuminatum var. acuminatum Joseph P. Tracy 1918-9-29 5106 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork Eel River above its mouth 60 Comment
  UC196966  Panicum acuminatum var. acuminatum Joseph P. Tracy 1915-6-6 4645 Humboldt at Eureka Eureka; Northern Coast Region, at Eureka 0 Comment
  UC187238  Panicum capillare Joseph P. Tracy 1908-6 2929 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC20911  Parentucellia viscosa D. E. Anderson 1961-8-11 1738 Humboldt Redwood preserve E of HSC campus, by field house Comment
  HSC90750  Parentucellia viscosa Jean Hanson 1980-6-22 95 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka, W end of island Comment
  SEINET10810981  Parentucellia viscosa J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13017 Humboldt North of McKinleyville on U.S. 101 (a few kilometers north of Eureka), on northbound off-ramp (southbound labelled as Route 101 Business) leading to Clam Beach County Park. Comment
  UC1713517  Pedicularis densiflora W. W. Price 1890-7-6 Humboldt Mad River Comment
  JEPS27746  Pedicularis groenlandica Joseph P. Tracy 1925-7-5 7180 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1212145  Pedicularis racemosa Francia Chisaki, Helen K. Sharsmith 1959-8-22 4754 Humboldt Happy Camp, just over Trinity County line Happy Camp; Inner North Coast Ranges 914 Comment
  HSC73582  Pellaea brachyptera Gail Newton 1980-7-14 1489 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC39931  Pellaea brachyptera J. O. Sawyer 1970-6-25 2294 Humboldt 1646 Comment
  HSC55678  Penstemon anguineus Walter Overton, Marvin Butler 1979-7-26 9929 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC74472  Penstemon anguineus Gail Newton 1980-7-23 1742 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC76044  Penstemon anguineus Walter Overton, Marvin Butler 1979-8-2 12564 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  UC1198048  Penstemon anguineus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  RSA412524  Penstemon deustus H. M. Pollard 1948-7-19 s.n. Humboldt River road near Fleet Ranch, near Orleans. Comment
  HSC76256  Penstemon heterophyllus Denis Kearns 1981-7-6 43 Humboldt Near Mosquito Lake 1122 Comment
  UC1222787  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1950-6-15 18782 Humboldt 7 mi n Harris (at the Jenk's Ranch); n of Harris, at the Jenk's Ranch Comment
  HSC98095  Penstemon laetus subsp. sagittatus Cara Witte 2007-7-3 417 Humboldt Along National Forest 1. 1/4 mile north of Road V. 1268 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
  HSC102117  Penstemon procerus var. brachyanthus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1021 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC55288  Penstemon purpusii Terry Griswold, Marvin Butler 1979-7-10 6231 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  RSA167232  Penstemon rattanii subsp. rattanii Joseph P. Tracy 1951-6-24 19533 Humboldt Kneeland Prairie, 'Cameron Hill'. Comment
  HSC33659  Pentagramma triangularis M. Wetherwax 1975-6-1 174 Humboldt Along Butler Valley Rd. 0.5 mi. past the bridge over the Mad River Comment
  HSC37502  Pentagramma triangularis J. D. Ackerman 1974-5-25 264 Humboldt 0.25 mi. S of Lufenholtz Beach off Scenic Dr. between Moonstone and Trinidad Comment
  UC709387  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1941-8-24 17038 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC1197128  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1937-8-22 15673 Humboldt foothills 3 mi s Fields Landing; Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC906670  Perideridia howellii Joseph P. Tracy 1949-8-27 18503 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mt. 609 Comment
  UC1197324  Perideridia kelloggii Joseph P. Tracy 1921-10-2 5967 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC906663  Perideridia kelloggii Joseph P. Tracy 1948-8-11 18476 Humboldt 2 to 6 mi s from Grouse Mt.; Kinsey Ridge 1280 Comment
  HSC73872  Perideridia parishii subsp. latifolia Gail Newton 1980-7-14 1459 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC17527  Persicaria maculosa Lincoln Constance 1934-6-12 861 Humboldt N bank of S Fork Eel River, Bull Creek Rd. Comment
  HSC13680  Phacelia bolanderi W. Lanphere 1937-5-25 Humboldt Dyerville Comment
  UC56715  Phacelia bolanderi Harley P. Chandler May 1901 1088 Humboldt Idlewild North Coast Ranges 91 Comment
  HSC100721  Phacelia bolanderi Carl C. Marshall Jun 1887 409 Humboldt S Fork of Eel River and Eel River. Comment
  UC673228  Phacelia heterophylla subsp. virgata Lincoln Constance and Reed C. Rollins 1942-5-11 2876 Humboldt 5 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  UC906636  Phacelia mutabilis Joseph P. Tracy 1947-7-9 17832 Humboldt lower slopes Horse Mountain 1219 Comment
  UC562570  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1936-6-9 14876 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  HSC75489  Phacelia procera J. O. Sawyer 1980-7-18 3630 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC258864  Phalaris aquatica Henry M. Pollard 1947-9-1 s.n. Humboldt Field near Perch Creek, Orleans region Comment
  UC1152005  Phalaris californica Joseph P. Tracy 1951-6-26 19599 Humboldt on Butter Valley Road about 2 mi e junction of Kneeland Prairie Road Comment
  LA97948  Philadelphus lewisii Jane Turner; Francis M. Ball 1962-7-10 SK&F- 1145 Humboldt East Fork Willow Creek Forest Camp, Six Rivers National Forest, highway 299 ca. 5 mi. W of Willow Creek 457 Comment
  UC161489  Philadelphus lewisii Joseph P. Tracy 1911-7-5 3318 Humboldt Willow Creek Northern Coast Ranges (near its mouth, creek is tributary of Trinity River) 304 Comment
  UCSB25252  Philadelphus lewisii Tracy, Joseph 1937-6-20 Humboldt Bear River; 10 mi up from the mouth 152 Comment
  HSC97276  Phleum alpinum M. Mesler 2007-7-15 783 Humboldt Near Grouse Mtn., 0.9 mi. S of NF 1 on FS Rd. 5N04 1582 Comment
  HSC8515  Phleum pratense True Hoyle 1967-7-24 28967 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  HSC98126  Phleum pratense Cara Witte 2007-6-28 385 Humboldt Forest Service Road 5N10. Approximately 1/2 mile east of intersection with National Forest 1/ Titlow Hill Road. 1426 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
  HSC49981  Phlox adsurgens M. A. Baker 1979-6-7 779 Humboldt N bank of road to Snow Mtn. 610 Comment
  UC1541553  Phlox gracilis H. E. Parks, J. P. Tracy 1930-5-25 795 Humboldt Laribee Valley 762 Comment
  HSC15921  Phoradendron serotinum subsp. tomentosum H. D. Sumner 1959-7-13 Humboldt Dirt road to Hoopa 305 Comment
  CHSC2362  Phyllospadix scouleri M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  CAS-BOT-BC452023  Phyllospadix torreyi H. E. Parks 1933-11-12 s.n. Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC140586  Physocarpus capitatus Doris K. Kildale 1926-5-15 3158 Humboldt Petrolia Bridge, Mattole River Valley Comment
  UC666856  Physocarpus capitatus Joseph P. Tracy 1935-6-23 13990 Humboldt French Camp Ridge 1066 Comment
  UCSB2830  Physocarpus capitatus Phillips, Priscilla 1958-6-9 Humboldt Biship Pina Lodge, 2 mi. n. of Trinidad Comment
  NY34411  Picea sitchensis E. K. Balls 1953-10-11 18631 Humboldt 23.4 miles north of Petrolia on Old Coast Road, toward Ferndale 365.8 Comment
  SJSU142  Picea sitchensis Emily D. Smith 1934-8-22 Humboldt between Fortuna & Eureka Comment
  JEPS46797  Pinus attenuata P. E. Goddard 1901-1 Humboldt Hupa region Comment
  HSC37669  Pinus jeffreyi R. Sutherland 1967-8-27 27 .876 Humboldt Elk Ridge, Bulk Collection # 107 716 Comment
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Apr 30 2013
  RSA46891  Pinus jeffreyi Doris K. Kildale 1927-7-22 3832 Humboldt Lasseck s Peaks Comment
  HSC37260  Pinus muricata Gary S. Lester 1976-1-3 580 Humboldt Seaward slope of Trinidad Head 91 Comment
  HSC1537  Pinus ponderosa Francis Winter 1960-5-7 Humboldt Sugar Pine Mtn. 6 mi. W of Hoopa Indian Reservation 1067 Comment
  CAS-BOT-BC72732  Pinus sabiniana Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC63995  Pinus sabiniana Mrs. M. H. Manning Apr 1 1902-May 1 1902 Humboldt Hupa Comment
  CAS-BOT-BC136469  Piperia candida L. R. Abrams 1916-7-11 5986 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC49366  Pityopus californicus T. Jimerson, J. Pageau 1979-6-15 578 Humboldt West of FS 11N21, on the boundary between Sections 27 and 28. 762 Comment
  HSC99639  Pityopus californicus T. Jimerson, J. Pageau 1979-7-31 698 Humboldt Near Whiting Ridge. Close to the town of Hyampom, CA. 1204 Comment
  HSC41224  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3593 Humboldt Margin of pond above Alder Springs 1585 Comment
  UC249518  Plagiobothrys nothofulvus Joseph P. Tracy 1922-4-30 6019 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  BLMAR656  Plagiobothrys nothofulvus Jennifer Wheeler 2012-5-2 656 Humboldt King Range, Telegraph ridge 670 Comment
  POM126241  Plagiobothrys reticulatus 1907-6-20 2568 Humboldt Eureka 0 Comment
  UC552836  Plagiobothrys reticulatus Joseph P. Tracy 1935-6-8 13949 Humboldt along coast in front of s end Stone Lagoon; Dry Lagoon, Stone Lagoon 3 Comment
  JEPS61000  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1935-6-2 13923 Humboldt Big Lagoon 3 Comment
  UC526825  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1932-6-26 10274 Humboldt Fort Baker Ranch North Coast Ranges, Fort Baker Ranch 762 Comment
  OBI20599  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Trinity summit, meadow at Box Camp Comment
  SEINET12275869  Plagiobothrys scouleri J. P. Tracy 1949-1 18315 Humboldt Fickle Hill, 6 mi SE of Arcata 610 Comment
  UC1222195  Plagiobothrys scouleri var. scouleri Joseph P. Tracy 1950-6-25 18900 Humboldt 3 mi s Burr Valley (near Sproston place, on road to Albee place, sw slopes Buck Mountain); Buck Mountain 1158 Comment
  JEPS68131  Plagiobothrys tenellus Joseph P. Tracy 1932-5-17 10070 Humboldt Redwood Creek, at Berry's Northern Coast Ranges 274 Comment
  UC604631  Plantago elongata Joseph P. Tracy 1938-7-15 16074 Humboldt Mouth of Eel River 3 Comment
  HSC16826  Plantago erecta L. H. Myers 1963-5-14 13 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  JEPS14281  Plantago erecta Joseph P. Tracy 1946-6-2 17553 Humboldt near Samoa; Humboldt Bay 6 Comment
  UC198604  Plantago erecta Joseph P. Tracy 1917-5-30 4793 Humboldt mouth of Little River North Coast Ranges, Little River 6 Comment
  HSC12426  Plantago lanceolata Gary J. Stebbins 1970-5-10 76 Humboldt Along Fickle Hill Rd., 2.4 mi. E of Arcata Comment
  HSC16843  Plantago lanceolata N. R. Waite 1965-5-19 51 Humboldt W edge of Humboldt State University campus. Comment
  HSC62906  Plantago maritima J. M. DiTomaso 1979-5-20 1057 Humboldt Above College Cove at Elks Head, 1 mi. N of Trinidad. Comment
  HSC67513  Plantago maritima J. P. Smith 1976-7-3 8933 Humboldt Just N of Samoa Bridge Comment
  RSA54131  Plantago patagonica H. M. Pollard 1945-8-25 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon. Comment
  HSC16831  Plantago subnuda J. P. Tracy 1906-6-17 2493 Humboldt Eureka 0 Comment
  UC154021  Plantago subnuda J. P. Tracy 1906-6-17 2493 Humboldt immediate vicinity Eureka 0 Comment
  SEINET10297967  Platanthera dilatata var. dilatata Unknown 1965-8-9 s.n. Humboldt BIG LAGOON: Elev. c. 10 ft Comment
  UC666987  Platanthera sparsiflora Joseph P. Tracy 1932-7-17 10673 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  CAS-BOT-BC91633  Platystemon californicus Alice Eastwood; John Thomas Howell 1937-6-23 4807 Humboldt Little Van Duzen River. Comment
  CAS-BOT-BC91644  Platystemon californicus Kenneth Clark 1981-5-24 1390 Humboldt Sherlter Cove. Abalone Point. 15 Comment
  UC999835  Plectritis brachystemon S. C. Dyal 1938-6-11 719 Humboldt 14 mi w of Dinsmore (e side of McClellan Mountain); McClellan Mountain Comment
  UCD137534  Plectritis congesta R. N. Raynor 1935-1 s.n. Humboldt Exact location unknown. Comment
  HSC21691  Plectritis congesta subsp. brachystemon Jack Rockwell 1962-5-4 51 Humboldt E of road along stream bank. 549 Comment
  HSC70751  Pleuricospora fimbriolata R. York 1980-5-17 532 Humboldt Near Le Perron Peak 1066 Comment
  UCD90107  Pleuropogon refractus Joseph P. Tracy 1939-7-9 16334 Humboldt Snow Camp. Comment
  UC525625  Poa annua Joseph P. Tracy 1934-3-11 13148 Humboldt Weitchpec 121 Comment
  UCD90242  Poa annua Linda M. Barker 1976-4-30 1399 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC97639  Poa bulbosa Cara Witte 2007-5-22 77 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1398 Comment
  HSC73055  Poa compressa M. A. Baker 1980-7-23 3139 Humboldt Near Orleans Mtn. 1859 Comment
  HSC10681  Poa confinis D. M. Thomson 1965-5-20 68 Humboldt 1.0 mi. S of Samoa. Comment
  HSC10702  Poa douglasii D. E. Anderson 1961-9-2 1772 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  UC1103177  Poa douglasii Joseph P. Tracy 1932-5-10 9943 Humboldt s point of the Cape Cape Mendocino Comment
  UC1145142  Poa douglasii Joseph P. Tracy 1917-5-30 4799 Humboldt at Little River Ocean Beach; Northern Coast Region Comment
  UC207680  Poa douglasii Joseph P. Tracy 1917-5-30 4798 Humboldt at Little River Ocean Beach; Northern Coast Region Comment
  UC1103185  Poa kelloggii J. P. Tracy 1901-6-10 11321 Humboldt immediate vicinity Eureka 0 Comment
  UCD91542  Poa macrantha J. W. Congdon 1904-7-3 s.n. Humboldt on the Peninsula. City of Eureka. Comment
  HSC73058  Poa pratensis M. A. Baker 1980-7-22 3110 Humboldt Near Grogan Hole. 1676 Comment
  UC589883  Poa pratensis subsp. pratensis H. S. Yates 1936-6-17 5703 Humboldt lower nw slope Buck Mt; South Fork Peak Quadrangle 792 Comment
  HSC10786  Poa secunda subsp. secunda A. H. Murphy 1951-4-18 18 Humboldt Tooby and Prior Ranch, Blocksberg. 457 Comment
  HSC40518  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1976-6-16 2743 Humboldt Just W of Alder Springs. 1524 Comment
  UCD90884  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5660 Humboldt Hoopa Summit. Comment
  CAS-BOT-BC235985  Poa secunda subsp. secunda A. A. Beetle; Stebbins; Tracy 1942-6-2 3478 Humboldt Head of S Yager Creek, near Yager Comment
  UCD92111  Poa trivialis Joseph P. Tracy 1950-6-8 18723 Humboldt Bear River Ridge. 609 Comment
  UC153996  Pogogyne serpylloides Joseph P. Tracy 1908-6-7 2621 Humboldt at Butter Valley on Mad River 152 Comment
  JEPS69886  Polemonium carneum Joseph P. Tracy 1924-5-25 6682 Humboldt Big Lagoon 3 Comment
  HSC35200  Polycarpon tetraphyllum Thomas W. Nelson 1975-11-3 2039 Humboldt 7th and H Sts., Eureka Comment
  CHSC57441  Polygala californica L. P. Janeway 1984-6-20 849 Humboldt Slope above Klamath River at unnamed 'River Access' ca 1 mi north of Orleans. 198 Comment
  JEPS43010  Polygala californica Lincoln Constance 1934-5-23 608 Humboldt se slope of mountain above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  UC1713695  Polygonum davisiae Joseph P. Tracy 1919-9-22 5261 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  UC672967  Polygonum davisiae Joseph P. Tracy 1935-7-30 14383 Humboldt Salmon Summit 2103 Comment
  UCD100265  Polygonum douglasii Joseph P. Tracy 1947-7-9 17835 Humboldt Horse Mountain. 1432 Comment
  UC1192316  Polygonum hydropiper Malcolm A. Nobs and S. Galen Smith 1949-8-11 1336 Humboldt Stone Lagoon; marsh on e shore Comment
  UC672944  Polygonum paronychia Joseph P. Tracy 1927-1-15 7836 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UCSB15544  Polygonum paronychia Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay. Comment
  HSC75436  Polygonum parryi J. O. Sawyer 1980-7-18 3592 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC419957  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1935-7-28 14316 Humboldt Trinity Summit. Head of Devil's Hole 1828 Comment
  UCD100641  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1932-7-10 10379 Humboldt Trinity Summit, Corral Prairie. 1584 Comment
  UCR246784  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Central Coast, near Trinidad, Patricks Point Drive at Seawood Drive, east of Hwy 101 91 Comment
Read comments
Jan 27 2015
  CDA2916  Polygonum sachalinense T. C. Fuller 1968-7-3 17443 Humboldt West side of the south-bound lanes of Highway 101 freeway, just north of the South Bay Depot Road, Fields Landing. 0 Comment
  CHSC44  Polypodium californicum M. Anthony 1960-5-1 Humboldt Coastal. Comment
  HSC1102  Polypodium californicum Francis Winter 1960-4-24 Humboldt 1.0 mi. N of Redwood Creek Ranch 396 Comment
  POM126149  Polypodium calirhiza Joseph P. Tracy 1924-3-9 6608 Humboldt North Coast Ranges: Kneeland Prairie 762 Comment
  HSC33653  Polypodium glycyrrhiza M. Wetherwax 1975-6-1 171 Humboldt Beside Korbel to Maple Creek rd. 2 mi. SW of Korbel Comment
  CAS-BOT-BC72084  Polypodium scouleri W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  HSC89486  Polypodium scouleri P. A. Daly 1986-3-12 68 Humboldt Trinidad Head, along trail 61 Comment
  POM188096  Polypodium scouleri Marcus E. Jones 1931-7-12 29178 Humboldt Alton. Comment
  RSA689967  Polypodium scouleri Charlotte M. Hoak 1931-7-15 s.n. Humboldt Below Big Lagoon Comment
  HSC59125  Polypogon australis Terry Roth 1979-4-28 17 Humboldt Glendale exit off of Hwy. 299, gravel road towards Mad River 30 Comment
  HSC10825  Polypogon interruptus J. P. Tracy 1927-7-16 8261 Humboldt Eureka 0 Comment
  UC184147  Polypogon interruptus Joseph P. Tracy 1912-6-27 3709 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  CAS-BOT-BC232595  Polypogon monspeliensis Henry M. Pollard 1948-7-21 s.n. Humboldt Bank of Klamath River near Orleans Comment
  HSC77917  Polypogon monspeliensis L. P. Janeway, Paul Wilson 1984-5-25 823 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  SEINET11681498  Polypogon monspeliensis H. P. Chandler 1901-1 1431 Humboldt Klamath River, North Coast Ranges 335 Comment
  HSC70656  Polystichum imbricans subsp. curtum Gail Newton 1980-7-14 1533 Humboldt Near Deadman Ridge 1097 Comment
  HSC1153  Polystichum munitum Paul Shields 1955-6-10 Humboldt 3 mi. S of Weott Comment
  SBBG306  Polystichum munitum H. and M. Dearing 1939-5-27 3454 Humboldt Patrick's Crk and Pt Comment
  UC906749  Polystichum munitum Joseph P. Tracy 1947-7-9 17843 Humboldt Horse Mt. 1432 Comment
  UC275528  Populus trichocarpa Joseph P. Tracy 1923-5-6 6197 Humboldt Blue Lake; Northern Coast Ranges, Blue Lake 30 Comment
  RSA152546  Potamogeton foliosus Joseph P. Tracy 1927-8-7 8308 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  RSA84982  Potamogeton natans F. W. Peirson 1923-7-11 3640 Humboldt 20 miles north of Eureka. Comment
  CAS-BOT-BC453767  Potamogeton natans Larry DeBuhr; Gary Wallace 1973-5-19 1117 Humboldt Prairie Creek Redwood State Park; at Gold Bluff Beach Comment
  UCSB30604  Potamogeton natans Edwards, David 1974-7-26 Humboldt Pond ca. 50 ft. NW of Grand Rd., ca. 1.5 mi. SW. of Korbel and ca. 1/2 mi. NE. of Mad River 18 Comment
  CAS-BOT-BC454065  Potamogeton pusillus subsp. pusillus Robert F. Thorne 1965-9-19 35463 Humboldt Freshwater Lagoon S of Orick 3 Comment
  UC1191497  Potentilla anserina subsp. pacifica Malcolm A. Nobs, S. Galen Smith 1949-8-3 1161 Humboldt 1 mi s Fields Landing; Eel River Valley, s of Fields Landing Comment
  UC1198685  Potentilla anserina subsp. pacifica Joseph P. Tracy 1933-6-6 12505 Humboldt Trinidad Trinidad (facing Ocean shore) 3 Comment
  HSC44757  Potentilla gracilis Maralyn O'Meara 1972-6-8 82 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  HSC75470  Potentilla gracilis var. fastigiata J. O. Sawyer 1980-7-18 3617 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  SBBG980  Prosartes hookeri H. and M. Dearing 1933-5-16 254 Humboldt Weott Comment
  UCD139805  Prosartes hookeri H. P. Olmo 1931-6-8 s.n. Humboldt near Orich. Comment
  HSC15477  Prosartes smithii H. E. Parks 1935-3 5582 Humboldt Trinidad Comment
  CAS-BOT-BC517503  Prosartes smithii H. C. Cantelow 1936-5-17 s.n. Humboldt 3 miles east of Orick Comment
  UCR179386  Prunella vulgaris Katherine Esau 1934-5-6 s.n. Humboldt Fort Seward 152 Comment
  UC1196727  Prunella vulgaris var. lanceolata J. P. Tracy 1911-8-27 3533 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC159974  Prunus emarginata Mrs. H. C. Cantelow 1939-6-8 s.n. Humboldt South Fork Mts. Blake Lookout Road, 7.2 miles from Junction Alton. Red Bluff Highway Comment
  CAS-BOT-BC159987  Prunus emarginata Doris K. Kildale 1927-7-22 3813 Humboldt Lassecks Peaks 1661 Comment
  HSC94127  Prunus laurocerasus Gordon Leppig 2000-4-12 1291 Humboldt Arcata: behind Humboldt State University, W of Fern Lake 49 Comment
  CAS-BOT-BC357603  Pseudognaphalium stramineum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC164843  Pseudognaphalium stramineum Joseph P. Tracy 1911-7-5 3306 Humboldt along, near its mouth Willow Creek (tributary of Trinity River); Northern Coast Ranges, Trinity River, Willow Creek 182 Comment
  HSC76290  Pseudotsuga menziesii var. menziesii Teresa Prendusi 1981-7-23 358 Humboldt Near Black Mountain. 890 Comment
  HSC54600  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-24 9682 Humboldt Near Friday camp, close to the town of Willow Creek 1250 Comment
  HSC55195  Pteridium aquilinum var. pubescens G. L. Clifton, Griswold 1979-8-2 12291 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  SEINET199671  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-4-28 8549 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  UCSC000066  Puccinellia nutkaensis H. S. Yates 1936-6-16 5669 Humboldt 1 mile N.E. of Samoa - Eureka 0 Comment
  HSC59503  Pyrola asarifolia M. A. Ericksen 1979-5-29 306 Humboldt Beside Patrick's Point Dr. Comment
  HSC40515  Pyrola asarifolia subsp. asarifolia M. A. Baker 1977-5-14 289 Humboldt Along Patrick's Point Drive 1/2 mi. N of Trinidad 30 Comment
  HSC54232  Pyrola picta Griswold, Butler 1979-7-12 7313 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  UC1541552  Pyrola picta Harold E. Parks 1934-6-27 4931 Humboldt Horse Mountain 1280 Comment
  CAS-BOT-BC466039  Pyrola picta Joseph P. Tracy 1932-7-14 10569 Humboldt Trinity Sumimt near Corral Prairie 1584 Comment
  CAS-BOT-BC466041  Pyrola picta Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  UC56318  Pyrola picta Joseph Burtt Davy 1899-6-11 5420 Humboldt Hubbard's Station to Elk Prairie Comment
  CAS-BOT-BC62673  Quercus chrysolepis Doris K. Kildale 1926-3-21 1689 Humboldt McDowell Butte, Kneeland Prairie 914 Comment
  HSC54572  Quercus chrysolepis Overton, Butler 1979-7-24 9606 Humboldt Near Titlow Hill, close to the town of Willow Creek. 381 Comment
  HSC99031  Quercus chrysolepis Cara Witte 2008-7-3 827 Humboldt Friday Ridge Road/ 6N08. Approximately 1 mile north of intersection with National Forest 1. 1567 Comment
  UC1196528  Quercus chrysolepis Joseph P. Tracy 1926-6-6 7570 Humboldt on road w from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC667985  Quercus garryana var. breweri Joseph P. Tracy 1935-7-14 14091 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UCD46693  Quercus kelloggii R. N. Raynor 1935-4-15 s.n. Humboldt Fort Seward. Comment
  HSC102567  Quercus sadleriana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1554 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1388987  Quercus sadleriana Milo S. Baker 1947-8-10 11896 Humboldt 16 mi ne Hoopa (along trail to Trinity Summit, from end of Forest Rd) 1371 Comment
  CAS-BOT-BC104331  Quercus sadleriana Clarence R. Quick 1960-6-27 60 -23 Humboldt Bear Gulch on road from Delta to Trinity Center Comment
  CAS-BOT-BC104533  Quercus vacciniifolia R. Spellenberg 1990-7-10 10245 Humboldt Extreme E edge county, 8 mi WSW of Sayler at 6 mi S of Berry Summit (on Calif. Hwy. 299) on USFS 1 1371 Comment
  UCD47467  Quercus vacciniifolia Joseph P. Tracy 1935-7-28 14336 Humboldt Trinity Summit, Head of Brett Hole. 1828 Comment
  UC164804  Rafinesquia californica Joseph P. Tracy 1901-8-2 1243 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC100904  Ranunculus Carl C. Marshall Apr 1886 87 Humboldt Humboldt Hill. Comment
  UC1103013  Ranunculus alismifolius var. alismellus Joseph P. Tracy 1932-7-15 10588 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  UC162833  Ranunculus californicus J. P. Tracy 1910-5-8 3132 Humboldt Eureka 0 Comment
  UC162875  Ranunculus californicus Joseph P. Tracy 1901-4-26 1044 Humboldt e Fields Landing; Northern Coast Region, Region about Humboldt Bay, Humboldt H 0 Comment
  HSC18137  Ranunculus californicus var. californicus C. O. Baker 1962-3-22 8 Humboldt 2 mi. S of Trinidad along old Hwy. 101 183 Comment
  JEPS5880  Ranunculus flammula Joseph P. Tracy 1937-5-30 15312 Humboldt near Bosworth's; Larrabee Creek 365 Comment
  HSC70255  Ranunculus occidentalis M. A. Baker 1980-6-8 1922 Humboldt Near Buck Flat. 1554 Comment
  SEINET200319  Ranunculus occidentalis J. T. Gregory 381 Humboldt Grouse Mtn near 'Clear Lake 1524 Comment
  UC486518  Ranunculus occidentalis Parks and Tracy 1930-5-25 859 Humboldt Laribee Valley; along small stream, eastern Humboldt Co. Comment
  HSC32314  Ranunculus occidentalis var. occidentalis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5658 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC45624  Ranunculus occidentalis var. occidentalis Diane L. Reed 1978-4-22 11 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC99092  Ranunculus occidentalis var. occidentalis Cara Witte 2008-7-2 824 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  HSC53976  Ranunculus orthorhynchus Griswold, Butler 1979-7-11 7049 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC39607  Ranunculus orthorhynchus var. platyphyllus Thomas W. Nelson, James Nelson 1976-7-28 3081 Humboldt W of Alder Springs. 1524 Comment
  HSC98651  Ranunculus orthorhynchus var. platyphyllus Cara Witte 2008-6-9 694 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1454 Comment
  UC1196263  Ranunculus parviflorus Joseph P. Tracy 1942-6-2 17110 Humboldt roadside 2 mi n Bridgeville 457 Comment
  UC1196260  Ranunculus pusillus Joseph P. Tracy 1935-5-25 13845 Humboldt Fort Seward 106 Comment
  SJSU2536  Ranunculus repens H. L. Buckalew 1962-6-26 Humboldt Prairie Cr Redwoods State Park Comment
  HSC18182  Ranunculus repens var. repens V. G. Vieira 1963-4-24 7 Humboldt Essex Pond Comment
  HSC101992  Ranunculus uncinatus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 891 Humboldt Patterson Meadows 1566 Comment
  UC502929  Ranunculus uncinatus Joseph P. Tracy 1932-7-10 10394 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC1196262  Ranunculus uncinatus J. P. Tracy 1900-5-30 828 Humboldt Forest Park Eureka 0 Comment
  HSC18231  Ranunculus uncinatus var. parviflorus D. E. Anderson 1961-8-11 1735 Humboldt E of Humboldt State College campus. 30 Comment
  JEPS41951  Rhamnus californica subsp. occidentalis W. L. Jepson 1902-7-2 1977 Humboldt Three Creek to Willow Creek 762 Comment
  JEPS42055  Rhamnus purshiana Lincoln Constance 1934-6-19 917 Humboldt near Grasshopper Peak summit; South Fork Eel River, Bull Creek Region 914 Comment
  HSC7831  Rhododendron columbianum J. Pursell 1964-10-6 1061 Humboldt Big Lagoon Bog Comment
  JEPS58777  Rhododendron macrophyllum Mr. and Mrs. Geo. B. Parrish 1930-5-21 Humboldt Trinidad Comment
  UC1537162  Rhododendron macrophyllum Gordon H. True Jr. 1936-5-12 474 Humboldt near Kneeland Post Office 762 Comment
  UC32620  Rhododendron macrophyllum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  RSA0063214  Rhododendron occidentale var. paludosum R. F. Thorne, Percy C. Everett 1965-8-7 35189 Humboldt Big Lagoon; at edge of bog at south end of lagoon. 2 Comment
  HSC53831  Ribes binominatum Griswold, Butler 1979-7-10 6279 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  RSA167293  Ribes binominatum Joseph P. Tracy 1950-7-1 18949 Humboldt Grouse Mountain; at Cold Springs . 1433 Comment
  CAS-BOT-BC168855  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC492206  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC667073  Ribes inerme var. klamathense Joseph P. Tracy 1939-5-6 16281 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  UC1198917  Ribes lacustre Joseph P. Tracy 1936-8-7 15095 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  CAS-BOT-BC176804  Ribes laxiflorum Harley P. Chandler 1901-5-1 1202 Humboldt Humboldt Bay 30 Comment
  HSC103194  Ribes lobbii Jade Paget-Seekins 2010-7-5 35 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  JEPS48559  Ribes lobbii Hilda W. Grinnell 1932-7-9 7 Humboldt below Camp McKay; So. Fork Mt. 1584 Comment
  CAS-BOT-BC206038  Ribes menziesii Doris K. Kildale 1926-3-25 1627 Humboldt Liscom Hills, Lower Mad River 26 Comment
  HSC12619  Ribes menziesii Wendell Wood 1970-9-22 304 Humboldt McKinleyville, E end of Chateau Way 107 Comment
  HSC34630  Ribes menziesii R. M. Sullivan 1975-4-9 3 Humboldt 1.0 mi. S of Patrick's Point, 40yds W of old Hwy. 101 46 Comment
  UC1198929  Ribes menziesii Joseph P. Tracy 1936-3-22 14783 Humboldt 4 mi se Korbel (Angel's Ranch) 457 Comment
  UC154119  Ribes menziesii J. P. Tracy 1904-7-31 2130 Humboldt immediate vicinity Eureka 0 Comment
  UC1541331  Ribes menziesii Harold E. Parks April 1933 4402 Humboldt vicinity Trinidad (type locality) Comment
  RSA0024750  Ribes roezlii J. R. Bruff 1937-8-17 937 Humboldt Richardson Grove, bed of Eel River. Comment
  RSA0024751  Ribes roezlii S. S. Tillett 1956-7-6 626 Humboldt 12.5 miles from Orleans, along Bar Shanty Road. 1174 Comment
  CAS-BOT-BC198870  Ribes roezlii var. amictum Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville 121 Comment
  RSA167292  Ribes roezlii var. amictum Joseph P. Tracy 1950-6-18 18850 Humboldt Wilder Ridge Comment
  CAS-BOT-BC198902  Ribes roezlii var. cruentum Kenneth Clark 1980-3-27 55 Humboldt North fork Dead Man's Gulch, Shelter Cove 82 Comment
  CAS-BOT-BC211977  Ribes sanguineum Joseph P. Tracy 1949-8-11 18450 Humboldt Hungry Hollow, Bald Mountain 762 Comment
  HSC73148  Ribes sanguineum M. A. Baker 1980-5-18 1286 Humboldt Near Black Mtn. 1006 Comment
  UC11646 Image available Ribes sanguineum Harley P. Chandler June, 1901 1287 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC667054  Ribes sanguineum Joseph P. Tracy 1933-6-13 12589 Humboldt head Pine Creek (near summit on road from Hoopa westward to Bair's); Hoopa Mountain 1066 Comment
  UC902091  Ribes sanguineum Joseph P. Tracy 1948-9-5 18178 Humboldt ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  SEINET13942780 Image available Ribes sanguineum J. D. Ackerman 1973-1 40 Humboldt T6N R1W Sec 26. 1.5 miles north of Manila Comment
  UC1215537  Ribes sanguineum var. glutinosum D. E. Anderson 1962-1-12 1907 Humboldt along road to Lanphere Ranch Comment
  CAS-BOT-BC173994  Ribes viscosissimum Joseph P. Tracy 1932-7-12 10466 Humboldt Ridges East of Corral Prairie 1828 Comment
  SEINET11803871  Rigiopappus leptocladus J. P. Tracy 1950-1 18996 Humboldt 2 mi S of Burr Valley on Albee Road 1158 Comment
  HSC26800  Romanzoffia californica Thomas W. Nelson 1971-4-24 404 Humboldt Willow Creek Comment
  HSC35152  Romanzoffia tracyi Gary S. Lester 1975-4-4 605 Humboldt About 1 mi. N of Elk Head near Trinindad 15 Comment
  NY337230  Romanzoffia tracyi J. P. Tracy 1933-5-9 11008 Humboldt Vicinity of Trinidad 15.2 Comment
  UC492262  Rorippa curvisiliqua H. E. Parks and Joseph P. Tracy 1931-5-17 9426 Humboldt Trinity River Valley Willow Creek; Northern Coast Ranges, Trinity River Valley nr Willow Creek 152 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
  UC902154  Rosa Joseph P. Tracy 1949-8-7 18438 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC146480  Rosa gymnocarpa Henry M. Pollard 1956-10-11 s.n. Humboldt Near Orleans on trail to Wilder Creek Comment
  JEPS47242  Rosa gymnocarpa Lincoln Constance 1934-6-2 791 Humboldt Bull Cr. road to mouth of Bull Cr. (and up creek); South Fork Eel River, Bull Creek region Comment
  OBI35864  Rosa gymnocarpa David J. Keil 1983-7-2 17330 Humboldt Horse Mtn Summit SW of Willow crk Comment
  UC154526  Rosa gymnocarpa Mrs. M. H. Manning Sept. 1901 Humboldt near Hupa Comment
  HSC98790  Rosa gymnocarpa var. gymnocarpa Cara Witte 2007-6-14 278 Humboldt Along National Forest 1. Near Kinsey Ridge. 3/4 mile south of intersection with 4N06. 1256 Comment
  SBBG27214  Rosa nutkana D. K. Kildale 1927-6-28 Humboldt Mad River at covered bridge Comment
  JEPS45642  Rosa nutkana var. nutkana Joseph P. Tracy 1923-6-22 6345 Humboldt Angels Ranch Bald Mt.; Northern Coast Ranges, Bald Mt. 457 Comment
  JEPS45643  Rosa nutkana var. nutkana Joseph P. Tracy 1923-10-6 6564 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC667035  Rosa pisocarpa Joseph P. Tracy 1933-8-30 13020 Humboldt Grouse Mt. 1432 Comment
  HSC19650  Rubus leucodermis Paul Shields 1955-6-12 Humboldt 6 mi. W of Myers Flat Comment
  CAS-BOT-BC147247  Rubus parviflorus Harold E. Parks; Joseph P. Tracy 1942-5-16 11562 Humboldt Vicinity of Garberville 152 Comment
  HSC19664  Rubus parviflorus J. E. Lankila 1962-5-14 21 Humboldt Eel River at Bear Creek Comment
  HSC31795  Rubus parviflorus Steve Selva, Roger Jensen 1974-8-28 98 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC73171  Rubus parviflorus M. A. Baker 1980-5-18 1346 Humboldt Near Black Mtn. 792 Comment
  NY1043365  Rubus parviflorus D. K. Gillespie 1938-8-6 15397 Humboldt Eureka Comment
  UC1541464  Rubus praecox H. E. Parks April 1935 5537 Humboldt Trinidad Comment
  SEINET10542893  Rubus procerus Charlene A. Bennett 1976-8-6 Bennett 485 Humboldt By hwy 101, n side of orick. Rocky area, densely forested by river. Flowers Pink 30 Comment
  HSC22039  Rubus spectabilis B. D. Rogers, D. E. Anderson 1965-4-1 412 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  RSA247219  Rubus spectabilis Gary D. Wallace, Larry E. DeBuhr 1972-3-29 1010 Humboldt Prairie Creek Redwoods St. Pk. near the headquarters. Comment
  UC1199045  Rubus spectabilis Joseph P. Tracy 1920-2-29 5311 Humboldt at Eureka Northern Coast Ranges, at Eureka 0 Comment
  CDA26338  Rubus ursinus Gordon Leppig 1998-5-11 762 Humboldt Northern California Peatlands; Big Lagoon County Park. Big Lagoon Bog. Comment
  HSC12759  Rubus ursinus M. J. Athey 1970-11-5 20 Humboldt Havenway in Westhaven, Trinidad Comment
  HSC40001  Rubus ursinus J. O. Sawyer 1970-6-27 2308 Humboldt Site 318. 1494 Comment
  HSC70847  Rubus ursinus M. A. Baker 1980-6-7 1829 Humboldt Near Ammon Creek 732 Comment
  HSC96508  Rubus ursinus Gordon Leppig 1999-4-15 1115 Humboldt Big Lagoon County Park Comment
  UCD17844  Rubus ursinus H. Olmo 8-10 May 1962 62- 31 Humboldt California. Humboldt County: 9 miles east of Carlotta. Comment
  HSC79444  Rumex acetosella Kenneth Clark 1980-3-27 549 Humboldt Open areas and terraces above Dead Man's Gulch 107 Comment
  UCD81680  Rumex acetosella Chuck Hughes 2009-6-18 100 Humboldt Near Arcata. NE corner of intersection of Old Samoa Road and Pacheco Road. 1 Comment
  CHSC31287  Rumex crispus Mark Stopher 1980-6-4 100 Humboldt In diked off upland habitat along Elk River near Hwy 101 bridge. 1 Comment
  CDA2893  Rumex obtusifolius T. C. Fuller 1958-6-17 590 -58 Humboldt Hydesville. 0 Comment
  SDSU9723  Rumex obtusifolius subsp. agrestis D. F. Howe 1959-8-4 2804 Humboldt 86 miles W of Weaverville on #299. 152 Comment
  CAS-BOT-BC433704  Rumex occidentalis Doris Kildale Gillespie 1931-6-7 10651 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC95362  Rumex salicifolius var. transitorius Andrea Pickart 2002-8-8 200 Humboldt Arcata bottoms, Lanphere Rd. near end 20 Comment
  HSC44841  Rupertia physodes Thomas W. Nelson, Jane P. Nelson 1977-7-1 3573 Humboldt Along road 2S08 below Goat Hill 1524 Comment
  HSC63070  Ruppia maritima David Wheeler 1979-5-31 146 Humboldt Arcata Bottoms, next to Mad River Slough Comment
  HSC40219  Sagina apetala Barbara Kelly 1977-4-6 290 Humboldt N Spit 100 yds. W of Coast Guard Station Comment
  OBI36622  Salicornia pacifica David J. Keil 1983-7-2 17297 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  JEPS93952  Salicornia virginica Vernon H. Oswald 1998-9-2 9562 Humboldt Humboldt Bay National Wildlife Refuge s of Eureka (Hookton Slough Trail on the levee along s side of Hookton Slough); Humboldt Bay National Wildlife Refuge, Hookton Slough Comment
  RSA0034667  Salix coulteri Harold E. Parks 1931-3-25 0903 Humboldt Orick, Van Duzen River 6 Comment
  UC1196671  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14268 Humboldt meadows at Water Dog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC6088  Salix exigua Harold Ernest Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  POM220144  Salix exigua H. E. Parks, Joseph P. Tracy 1931-5-17 969 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  CAS-BOT-BC104095  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0971 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC104114  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01248 Humboldt floodplain of Eel River at Fernbridge Comment
  CAS-BOT-BC106855  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01222 Humboldt 1 mile north of Samoa Comment
  CAS-BOT-BC106863  Salix hookeriana W. J. Ferlatte 1967-6-13 1121 Humboldt Moonstone coastal bluff 30 Comment
  CAS-BOT-BC107706  Salix hookeriana Harold E. Parks 1931-3-24 915 a Humboldt Trinidad 90 Comment
  CAS-BOT-BC107717  Salix hookeriana Doris K. Kildale 1926-6-18 2409 Humboldt Gold Bluffs, coastal bluffs Comment
  CAS-BOT-BC107758  Salix hookeriana Harold E. Parks 1931-8-1 01053 Humboldt Little River Lagoon Comment
  CHSC9559  Salix hookeriana E. L. Smith 1971-4-7 929 Humboldt Clam Beach County Park ca. 6 mi s of Trinidad. Comment
  HSC19967  Salix hookeriana J. R. Woodside 1963-2-17 45 Humboldt 1.25 mi. N of Fairhaven Comment
  HSC90764  Salix hookeriana Gail Newton 1983-6-5 3641 Humboldt Elk River Wildlife Area, Eureka Comment
  LA208754  Salix hookeriana Harold E. Parks; 1931-5-28 1000 Humboldt Little River Lagoon, Trinidad; at sea level Comment
  UC249537  Salix hookeriana Joseph P. Tracy 1922-3-26 5984 Humboldt Fieldbrook Northern Coast Region 60 Comment
  UC275525  Salix hookeriana Joseph P. Tracy 1924-9-21 6884 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC470427  Salix hookeriana Joseph P. Tracy 1931-11-15 9762 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  UC470434  Salix hookeriana Joseph P. Tracy 1931-10-18 9742 Humboldt Camp Grant Northern Coast Ranges, Eel River 60 Comment
  UC470442  Salix hookeriana Joseph P. Tracy 1931-9-27 9692 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  UC506347  Salix hookeriana Joseph P. Tracy 1933-3-19 10924 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC512085  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC512106  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1207 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  UC709425  Salix hookeriana Joseph P. Tracy 1941-3-9 16801 Humboldt along Eel R. Camp Grant; Eel R. 48 Comment
  RSA0034648  Salix hookeriana Harold E. Parks 1931-5-28 01000 Humboldt Little River Lagoon. Comment
  UC470455  Salix jepsonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8928 Humboldt meadow at McKay Camp; Northern Coast Ranges, S. Fork Mt. 1676 Comment
  HSC37876  Salix lasiandra Thomas W. Nelson 1976-3-22 2278 Humboldt S side of the Eureka Muni Golf Course Comment
  CAS-BOT-BC125223  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1932-4-16 01099 Humboldt Ferndale, about 16 km. from mouth of Eel River, near sea level Comment
  CAS-BOT-BC128199  Salix lasiandra var. lasiandra Doris K. Kildale 1927-3-27 3000 Humboldt Fernbridge - Eel River 10 Comment
  CAS-BOT-BC107597  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11007 Humboldt On Van Duzen River, two miles west of Bridgeville 228 Comment
  CAS-BOT-BC107612  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107625  Salix lasiolepis Joseph P. Tracy 1934-3-25 13167 Humboldt Blue Slide, on Van Duzen River 91 Comment
  LA208773  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-12 1239 Humboldt Van Duzen River at Blue Slide 91 Comment
  UC469406  Salix lasiolepis Joseph P. Tracy 1927-3-27 7867 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC481337  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC506384  Salix lasiolepis Joseph P. Tracy 1933-4-2 10961 Humboldt on Trinity Hwy e Redwood Creek; Northern Coast Ranges, Berry's Mt. 762 Comment
  UC506396  Salix lasiolepis Joseph P. Tracy 1932-10-8 10865 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC512118  Salix lasiolepis Joseph P. Tracy 1933-4-2 10960 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mountain 762 Comment
  UC519336  Salix lasiolepis Joseph P. Tracy 1933-5-20 12264 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UCSB11964  Salix lasiolepis Ball, Carleton; Parks, Harold; Tracy, Joseph 1932-5-11 Humboldt Little River Lagoon, 4.5 miles south of Trinidad Comment
  POM219682  Salix lasiolepis var. bigelovii H. E. Parks 1931-5-14 963 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC107404  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-3-28 1678 Humboldt Redwood Creek near Berry's 289 Comment
  POM214864  Salix lasiolepis var. sandbergii H. E. Parks, Joseph P. Tracy 1933-3-19 11005 Humboldt On Van Duzen River. 2 miles E of Bridgeville. 229 Comment
  CAS-BOT-BC125608  Salix melanopsis Doris K. Kildale 1926-8-15 2516 Humboldt Willow Creek, flat in Trinity River Valley Comment
  HSC20059  Salix melanopsis H. E. Parks 1931-5-14 961 Humboldt Van Duzen River, between Alton and Carlotta 15 Comment
  LA208935  Salix melanopsis Harold E. Parks; 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  SBBG57954  Salix melanopsis H. E. Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC1196635  Salix melanopsis Joseph P. Tracy 1932-7-31 10287 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC469462  Salix melanopsis Joseph P. Tracy 1931-5-3 9345 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481306  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 972 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC490561  Salix melanopsis Joseph P. Tracy 1932-5-1 9876 Humboldt vicinity of R. Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  UC511995  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1237 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC512012  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1235 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UC519363  Salix melanopsis Joseph P. Tracy 1933-6-7 12516 Humboldt Van Duzen R. at Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC519369  Salix melanopsis Joseph P. Tracy 1933-7-22 12824 Humboldt S. Fork Eel R. at mouth of Bull Creek; Northern Coast Ranges, S. Fork Eel R. 45 Comment
  UC519370  Salix melanopsis Joseph P. Tracy 1933-6-9 12531 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R., Shively 30 Comment
  CDA14419  Salix scouleriana P. Haggard 1996-3-18 s.n. Humboldt Eureka. 0 Comment
  HSC96600  Salix scouleriana Gordon Leppig 2003-2-20 1810 Humboldt Eureka, W end of W Hawthorne St. 3 Comment
  LA208917  Salix scouleriana Harold E. Parks; 1931-5-12 951 Humboldt Bishop Pine Lodge; Trinidad 150.0 Comment
  POM219698  Salix scouleriana H. E. Parks 1931-5-12 955 -a Humboldt Samoa. Humboldt Bay. Near sea level. 0 Comment
  SD884  Salix scouleriana Harold E. Parks 1931-5-12 955 a Humboldt Samoa, Humbolt Bay Comment
  UC1173576  Salix scouleriana Joseph P. Tracy 1936-2-2 14767 Humboldt vicinity of Carlotta 30 Comment
  UC1196705  Salix scouleriana Joseph P. Tracy 1933-3-26 10945 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  UC275514  Salix scouleriana Joseph P. Tracy 1924-2-10 6600 Humboldt at Hungry Hollow Bald Mt.; Northern Coast Ranges, Bald Mt. 762 Comment
  UC481272  Salix scouleriana Harold E. Parks 1931-5-28 1017 Humboldt edge of dunes Little River Lagoon 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
  UC506350  Salix scouleriana Joseph P. Tracy 1933-4-2 10957 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC512088  Salix scouleriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1219 Humboldt pine barrens near coast 1 mi. n. Samoa Comment
  UC55957  Salix scouleriana J. P. Tracy 1900-8-5 922 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC128956  Salix sitchensis Harold E. Parks 1931-3-25 903 Humboldt Orick, Redwood Creek [Van Duzen River] 6 Comment
  CAS-BOT-BC128984  Salix sitchensis Harold E. Parks 1931-3-24 910 Humboldt Trinidad 90 Comment
  HSC20104  Salix sitchensis J. P. Tracy 1933-7-16 12773 Humboldt S Fork Mtn., Mckay Camp 1677 Comment
  HSC37885  Salix sitchensis Thomas W. Nelson 1976-4-3 2287 Humboldt Van Duzen River at Grizzley Creek Comment
  HSC79548  Salix sitchensis Kenneth Clark 1980-3-27 548 Humboldt Creek on W slope of Dead Man's Gulch 114 Comment
  UC1196718  Salix sitchensis Joseph P. Tracy 1932-5-14 10063 Humboldt Scotia Bluffs Northern Coast Ranges, Scotia Bluffs 30 Comment
  UC275297  Salsola tragus Joseph P. Tracy 1924-8-31 6838 Humboldt Klamath R. at Bluff Creek; Northern Coast Ranges 91 Comment
  JEPS57405  Sambucus mexicana L. R. Heckard with T. I. Chuang 1968-7-4 1982 Humboldt on Kneeland road 10 mi n Bridgeville Comment
  HSC99378  Sanicula bipinnata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 27 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
  JEPS281  Sanicula crassicaulis Joseph P. Tracy 1927-5-8 7967 Humboldt facing South Fork of Eel River (Phillipsville); Phillipsville 121 Comment
  RSA254741  Sanicula crassicaulis Thomas W. Nelson, James Nelson 1973-5-28 943 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC642282  Sanicula crassicaulis Joseph P. Tracy 1927-5-8 7968 Humboldt Phillipsville, South Fork Eel River South Fork Eel River; Phillipsville, South Fork Eel River 121 Comment
  HSC56221  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-8-2 12249 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1197094  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC68997  Sanicula tracyi Jacqueline Greenleaf 1980-8-12 321 Humboldt Near Pistol Spring. 1082 Comment
  OBI55124  Sanicula tracyi Joseph P. Tracy 1947-6-25 17717 Humboldt Dinsmore's along Van Duzen Rivers opposite Black Mtn 762 Comment
  HSC21644  Sanicula tuberosa Elrid H. Spinas 1948-5-15 9 Humboldt Horse Mtn. Comment
  HSC69867  Sanicula tuberosa Thomas W. Nelson 1978-5-28 4095 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  HSC70234  Sanicula tuberosa M. A. Baker 1980-6-8 1896 Humboldt Near Buck Flat. 1554 Comment
  UC642316  Sanicula tuberosa Joseph P. Tracy 1933-6-13 12568 Humboldt Hoopa Mountain, near summit on road from Hoopa westward to Bair's Hoopa Mountain 1066 Comment
  RSA43855  Saponaria officinalis H. M. Pollard 1948-7-26 s.n. Humboldt Banks of Klamath River near Orleans. Comment
  UC1198877  Saxifraga californica Joseph P. Tracy 1922-5-29 6076 Humboldt head of South Yager Creek; Northern Coast Ranges, South Yager Creek 762 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
  UC1988888  Saxifraga mertensiana Joseph P. Tracy 1927-3-27 7854 Humboldt near South Fork (Trinity River Valley along river); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC101990  Saxifraga nidifica M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 889 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC111333  Schoenoplectus acutus var. occidentalis Robert F. Thorne; P. Everett 1965-8-9 35283 Humboldt Big Lagoon 3 Comment
  HSC36316  Schoenoplectus americanus Rich Barcelona 1973-11-19 191173 .4 Humboldt Big Lagoon Comment
  UC668010  Scirpus diffusus Joseph P. Tracy 1938-7-4 15996 Humboldt Iaqua 609 Comment
  CDA39126  Scirpus maritimus Gordon Leppig 1998-6-25 851 Humboldt Route 101, mile marker 81.60 Comment
  SEINET3914806  Scirpus microcarpus James P. Smith 1973-5-26 6859 Humboldt Scotia Bluffs along the Eel River near Rio Dell.; 0 Comment
  JEPS63972  Scirpus microcarpus Lincoln Constance 1934-6-2 782 Humboldt wet sand below spring on s bank near mouth Bull Cr (Bull Creek Region, South Fork Eel River); Bull Creek Region, South Fork Eel River, s bank Bull Cr Comment
  SEINET10469579  Scoliopus bigelovii Mary Susan Taylor 1975-4-12 Taylor 465 Humboldt 1 mi W of Berry Summit on Hwy 299, ca. 6 mi W of Willow Creek. Yellow Pine Forest. 762 Comment
  UC582592  Scrophularia californica Joseph P. Tracy 1933-8-22 12980 Humboldt Eureka 6 Comment
  HSC60289  Scrophularia californica Phyllis Krieg 1979-4-21 Humboldt Above Clam Beach Lagoon, E of Hwy. 101 0 Comment
  HSC14402  Scutellaria californica H. E. Parks 1934-7-6 5118 Humboldt Iaqua-Yager Creek 762 Comment
  HSC57216  Sedum obtusatum subsp. retusum Griswold, Butler 1979-7-12 7280 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC58040  Sedum obtusatum subsp. retusum Gilbert Muth 1979-8-1 11883 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  UC169907  Sedum radiatum Harley P. Chandler June, 1901 1379 Humboldt Hupa Valley North Coast Ranges, Hupa Indian Reservation, Hupa Valley (Hupa Indian Reservation, North Coast Ranges) 152 Comment
  RSA0081470  Sedum spathulifolium Dave Kelly, W. Wisura 1986-7-27 4130 Humboldt 13.2 miles E of Bridgeville, along Hwy 36. Comment
  RSA0081471  Sedum spathulifolium Anstruther Davidson s.n. Humboldt Eel River. Comment
  UC1225751  Sedum spathulifolium Joseph P. Tracy 1948-5-15 17981 1/2 Humboldt along Trinity Highway Willow Creek Canyon (on rocks at the East Fork Willow); East Fork Willow Creek, Willow Creek Canyon 457 Comment
  HSC48308  Sedum spathulifolium var. spathulifolium R. Sutherland 1978-4-23 11 .23478 Humboldt Telegraph Ridge N of Green Ridge 695 Comment
  CHSC79631  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata, behind Humboldt State University, at base of stump near Fern Lake spillway. UTM zone 10, 4526N, 409E. 48 Comment
  SBBG19224  Selaginella oregana L. L. Kiefer 1963-8-6 769 Humboldt Patrick's Pt St Park, N side of Lookout Rock 45 Comment
  UC1225807  Selaginella wallacei Joseph P. Tracy 1948-5-31 17998 Humboldt Harris 609 Comment
  UC503064  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt coast bluffs Trinidad Trinidad; Northern Coast Region 60 Comment
  UC1239501  Senecio glomeratus Joseph P. Tracy 1936-8-24 15173 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  HSC48867  Senecio integerrimus Brad Klipfel 1973-6-10 62 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC57618  Senecio integerrimus var. major G. L. Clifton, Griswold 1979-7-25 10743 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC81775  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1980-6-10 5406 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  UCSC000817  Senecio sylvaticus H. L. Person 1932-7-18 s.n. Humboldt Eureka, Freshwater, Forest: T4NRIE Comment
  HSC50533  Senecio triangularis Overton 1979-8-1 12335 Humboldt Near Mill Creek, close to the town of Hoopa 1342 Comment
  RSA0009753  Senecio vulgaris Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  CAS-BOT-BC85839  Sequoia sempervirens Rudolf W. Becking 1968-11-27 s.n. Humboldt Weott, Humboldt Redwoods State Park, Federation Grove. Comment
  JEPS48279  Sequoia sempervirens Lincoln Constance 1934-6-4 822 Humboldt road to Dyerville (Look Prairie and Bull Cr.); Bull Creek region, South Fork Eel River Comment
  MACF022873  Sequoia sempervirens Trudy R. Ericson 1978-9-3 964 Humboldt 3 mi. east of Carlotta on St. 36 60 Comment
  NY64510  Sequoia sempervirens R. R. Wilson 1938-4-14 189 Humboldt Near Redway Comment
  SDSU292  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D st Arcata. Empire series Sandstone, West slope. Ocean fog belt of North Coast. 55 Comment
  UC1196920  Sequoia sempervirens Mabel Griffin 1930-4-1 Humboldt above Dyerville; South Fork Eel River 60 Comment
  UC1196922  Sequoia sempervirens J. P. Tracy 1901-1-1 980 Humboldt immediate vicinity of Eureka 0 Comment
  UC667965  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt near Korbel 304 Comment
  SEINET5334844  Sequoia sempervirens W. D. Billings 1940-6-28 1356 Humboldt 1/4 mile north of Trinidad Comment
  UC1222980  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1950-9-22 19378 Humboldt ca 3 mi sw of, along roadside Orleans 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-BC205574  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata 609 Comment
  UC1197961  Sidalcea malachroides Joseph P. Tracy 1937-7-30 15566 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  UC1222506  Sidalcea malachroides Joseph P. Tracy 1950-6-8 18743 Humboldt one mi e Cape Mendocino (near top of Cape Ridge); e of Cape Mendocino, Cape Ridge 152 Comment
  UC35225  Sidalcea malachroides Chestnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  HSC62693  Sidalcea malviflora Michelle Stevens 1979-5-25 139 Humboldt Junction of Hwy. 96 and the GO Rd. 640 Comment
  JEPS79985  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1928-6-24 8458 Humboldt between Bridgeville and head Yager (South Yager Creek); Northern Coast Ranges, South Yager Creek 762 Comment
  BLMAR690  Sidalcea malviflora subsp. malviflora Jennifer Wheeler 2013-6-7 690 Humboldt King range, Windy Point 106 Comment
  RSA28793  Sidalcea malviflora subsp. patula H. E. Parks 1940-05 24177 Humboldt Dow s Prairie 30 Comment
  HSC99563  Sidalcea oregana subsp. eximia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 228 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
  HSC57901  Sidalcea oregana subsp. spicata Gilbert Muth 1979-7-31 11492 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC103774  Silene bolanderi M. R. Mesler 2014-6-4 1636 Humboldt Burr Valley Road near Dinsmore 1117 Comment
  UC161016  Silene californica Joseph P. Tracy July, 1908 2791 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges, btw Van Duzen and Mad Rivers 914 Comment
  SEINET10871683  Silene campanulata Imper 1983-7-6 IMPER s.n. Humboldt Six rivers national forest. T8n,r5e,sec.11. 2.5 Miles e of turnoff to big hill L.o., Hoopa indian reservation, roadside bank, petals pink, inforescence Glandular and pungent, serpintine influence, with knobcone, ceanothus Integerrimus, hickleberry, silene californica, holodescus spp., Arctostaphyllos Spp. 975 Comment
  CAS-BOT-BC174881  Silene campanulata subsp. glandulosa Volney Rattan 1903-1-1 s.n. Humboldt Hoopa Valley Comment
  UC668091  Silene gallica Joseph P. Tracy 1931-5-3 9351 Humboldt near Blue Lake; along Mad River, near Blue Lake 15 Comment
  HSC62895  Silene gallica J. M. DiTomaso 1979-5-20 1053 Humboldt Sand at Big Lagoon Park, 8 mi. N of Trinidad Comment
  CAS-BOT-BC389048  Silene laciniata subsp. californica Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC4169  Silene laciniata subsp. californica C. B. Wolf 1927-8-28 1175 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  UC668087  Silene lemmonii Joseph P. Tracy 1932-7-12 10452 Humboldt near Corral Prairie (Trinity Summit); , near Corral Prairie 1584 Comment
  HSC45084  Sisymbrium officinale R. Sutherland 1978-4-25 1 .25478 Humboldt Mouth of Buck Creek 21 Comment
  HSC13925  Sisyrinchium bellum D. E. Anderson 1962-3-31 1966 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  HSC44158  Sisyrinchium bellum Thomas W. Nelson, Jane P. Nelson 1977-7-4 3589 Humboldt W side of road N from Alder Spring, head of N Fork of Conley Creek 1555 Comment
  SEINET6744566 Image available Sisyrinchium bellum C. C. Harris, S. K. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge, Humboldt County, California. Alt. Ca. 33 m. Comment
  SEINET3876425  Sisyrinchium bellum C. C. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge.; 0 33 Comment
  SEINET6883434  Sisyrinchium bellum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles sou theast of Kneeland. Comment
  SEINET7879022 Image available Sisyrinchium bellum C. C. Harris, S. K. Harris 1942-1 s.n. Humboldt 3 mile north and 1 mile west of Fernbridge 33 Comment
  UC15050  Smilacina racemosa Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5497 Humboldt Camp Grant to Pepperwood; North Coast Ranges Comment
  HSC21309  Solanum americanum D. E. Anderson 1961-9-13 1824 Humboldt Comment
  HSC78987  Solanum aviculare L. P. Janeway 1984-5-16 803 Humboldt N spit of Humboldt Bay alongside dirt rd. on S side of Coast Guard Station 3 Comment
  HSC20461  Solanum douglasii John Warner Hosking 1968-10-10 Humboldt Clam Beach Comment
  UC750870  Solanum furcatum E. F. Paddock 1947-7-13 163 Humboldt Trinidad, near boat landing Trinidad Comment
  CDA8726  Solidago canadensis subsp. elongata M. R. Pryor 1948-7-22 Humboldt County Road, Loleta. 0 Comment
  HSC76412  Solidago elongata D. K. Imper 1981-7-21 887 Humboldt Near Table Bluff 38 Comment
  LA203957  Solidago elongata H. E. Parks; July 1931 - August 1931 1056 Humboldt Trinidad 76 Comment
  HSC49092  Solidago spathulata Patricia Shesgreen 1978-8-12 137 Humboldt Along Hwy. 255, 1/4 mi. S of Samoa Bridge, Samoa Comment
  RSA21022  Solidago spathulata C. B. Wolf 1937-9-12 9332 Humboldt Clam Beach. 8 Comment
  RSA24389  Solidago spathulata C. B. Wolf 1941-2-22 9916 Humboldt Little River Beach State Park (north of Arcata). 8 Comment
  HSC102045  Sorbus scopulina M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 948 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  HSC56199  Sorbus scopulina Gilbert Muth 1979-8-1 12165 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC99386  Sorbus sitchensis var. grayi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 35 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC93850  Spartina densiflora Gordon Leppig, Kai Neander 1999-4-30 1131 Humboldt Humboldt Bay, Eureka, 30 m S of Del Norte St. fishing pier 1 Comment
  UCR122386  Spartina foliosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 6994 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  CDA35771  Spartina foliosa J. R. Keck Jr. 1987-10-28 PDR# 331439 Humboldt Humboldt Bay tidal zone near Somoa. 0 Comment
  SEINET10968195  Spartina foliosa A. Arthur Heller 1924-7-21 Heller 13871 Humboldt In a salt marsh at Eureka 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
  HSC91608  Spergula arvensis E. Mackey 1987-1-17 Humboldt Patricks Point State Park, parking lot near Ceremonial Rock Comment
  UC162714  Spergula arvensis subsp. arvensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5485 Humboldt near Camp Grant Comment
  HSC39156  Spergularia rubra D. E. Anderson, J. P. Smith 1971-6-28 - 1269 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  CAS-BOT-BC390612  Spergularia rubra R. K. Gierisch; D. H. Esplin 1969-7-1 3536 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  CAS-BOT-BC149621  Spiraea douglasii Doris K. Kildale 1927-6-26 3601 Humboldt Big Lagoon Comment
  RSA472777  Spiraea douglasii T. Gertrude Williamson 1924-7-12 s.n. Humboldt Arcata. Comment
  UC492192  Spiraea douglasii Joseph P. Tracy 1932-8-28 10760 Humboldt Bald Mountain Northern Coast Ranges (at Lake Prairie) 1066 Comment
  RSA249514  Spiranthes romanzoffiana Robert F. Thorne, Percy C. Everett 1965-8-5 35154 Humboldt Samoa Dunes. 3 Comment
  UC1196406  Spiranthes romanzoffiana Joseph P. Tracy 1944-7-3 17487 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC35344  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1975-8-22 643 Humboldt N of College Cove, Trinidad State Beach Park Comment
  RSA245280  Spiranthes romanzoffiana J. D. Ackerman 1973-8-29 119 Humboldt Big Lagoon Beach Co. Park; 8 miles N of Trinidad. Comment
  RSA33441  Stachys ajugoides Carl B. Wolf 1937-6-18 8896 Humboldt 1/2 mile S of Fortuna. 15 Comment
  UC154007  Stachys ajugoides var. rigida Joseph P. Tracy 1908-6 2814 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC175781  Stachys ajugoides var. rigida Joseph P. Tracy 1912-7-27 3881 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC577313  Stachys ajugoides var. rigida Joseph P. Tracy 1935-7-18 14102 Humboldt Table Bluff 15 Comment
  UCLA70844  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15931 Humboldt Fortuna 18 Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  JEPS63025  Stachys chamissonis Milo S. Baker 1923-7-23 124 Humboldt near Ferndale; North Coast Comment
  HSC23710  Stachys rigida Tim Baroni 1971-6-25 38 Humboldt Comment
  UC1116226  Stellaria borealis subsp. sitchana Joseph P. Tracy 1947-8-24 17904 Humboldt Box Camp; Trinity Summit 1463 Comment
  UC1223445  Stellaria crispa Joseph P. Tracy 1950-7-15 19042 Humboldt near mouth of Raccoon Creek (Willow Creek vicinity, 1 mi ne of Patterson's Ranch); Willow Creek Comment
  HSC4272  Stellaria media S. J. Hawks 1965-4-3 13 Humboldt W of Eureka City Airport Comment
  UC1103550  Stellaria nitens Joseph P. Tracy 1927-6-12 8147 Humboldt Horse Mountain 1432 Comment
  UC1197796  Stenanthium occidentale Joseph P. Tracy 1947-8-24 17901 Humboldt Box Camp; Trinity Summit 1463 Comment
  UC1199363  Stephanomeria elata Joseph P. Tracy 1930-7-25 8880 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1199362  Stephanomeria virgata subsp. pleurocarpa Joseph P. Tracy 1922-9-3 6112 Humboldt Bluff Creek, Klamath River Northern Coast Ranges, Klamath River 152 Comment
  HSC32340  Stipa occidentalis var. californica D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5641 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge Comment
  HSC58676  Stipa occidentalis var. californica Gilbert Muth 1979-8-1 12181 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  CAS-BOT-BC87614  Streptanthus tortuosus Joseph P. Tracy 1947-7-9 17845 Humboldt Horse Mountain. 1432 Comment
  HSC70690  Streptanthus tortuosus Gail Newton 1980-7-15 1567 Humboldt Near Sims Mtn. 1311 Comment
  HSC73750  Streptanthus tortuosus M. A. Baker 1980-7-15 2942 Humboldt Near Whiting Ridge. 1341 Comment
  HSC58202  Streptanthus tortuosus var. tortuosus Walter Overton 1979-8-1 12306 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  UCR275109  Streptopus amplexifolius Charity A. Hartshorn 2016-5-14 33 Humboldt Arcata Community Forest 244 Comment
  UC1197806  Streptopus amplexifolius var. americanus Joseph P. Tracy 1934-7-12 13375 Humboldt Big Lagoon 30 Comment
  HSC102070  Suksdorfia ranunculifolia M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 972 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC58385  Symphyotrichum bracteolatum Terry Griswold 1979-7-25 10923 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  HSC58821  Symphyotrichum bracteolatum G. L. Clifton, Griswold 1979-8-2 12212 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1199309  Symphyotrichum bracteolatum Joseph P. Tracy 1919-9-14 5209 Humboldt near mouth, (valley of Trinity River) Willow Creek; Northern Coast Ranges, Trinity River 152 Comment
  CAS-BOT-BC99168  Symphyotrichum chilense L. R. Abrams 1927-8-31 12056 Humboldt Marshes along highway between Eureka and Arcata Comment
  RSA417726  Symphyotrichum foliaceum var. foliaceum E. S. Spalding 1924-7-11 s.n. Humboldt Between Trinidad and Arcata Comment
  UC1222982  Symphyotrichum hendersonii Joseph P. Tracy 1941-8-24 17040 Humboldt near McKay camp; South Fork Mountain 1676 Comment
  UC198597  Symphyotrichum hendersonii Joseph P. Tracy 1917-9-1 4836 Humboldt Murphy Meadow Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1239632  Symphytum asperum Joseph P. Tracy 1933-6-25 12629 Humboldt around Humboldt Bay (Salmon Creek Valley); Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  RSA168800  Symphytum asperum Joseph P. Tracy 1943-10-3 17448 Humboldt Near Iverson dairy ranch, Arcata. Comment
  JEPS26261  Synthyris reniformis Joseph P. Tracy 1926-2-28 7379 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  UC249515  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, Brannan Mountain 914 Comment
  UCSB6706  Tanacetum bipinnatum Phillips, Priscilla 1960-7-2 Humboldt Big Lagoon Park, north of Trinidad, Route 101 Comment
  UCR122356  Tanacetum camphoratum George K. Helmkamp, E. A. Helmkamp 2001-7-8 7012 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UC1223071  Tanacetum parthenium Joseph P. Tracy 1946-9-10 17659 Humboldt Tracy's garden, at Eureka Northern Coast Ranges, Eureka 0 Comment
  RSA0049665  Taraxacum laevigatum Dean Wm. Taylor 2011-5-4 21112 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm (Larabee Valley quadrangle placename), vicinity of the road crossing of Knack Creek 341 Comment
  HSC31449  Taraxacum officinale D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5567 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC34807  Taraxacum officinale Lon Hall 1975-4-4 293 Humboldt Arcata. In front of 1735 J St. 15 Comment
  HSC55212  Taxus brevifolia Walter Overton 1979-8-1 12351 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC49031  Tellima grandiflora Patricia Shesgreen 1978-5-5 63 Humboldt 5.1 mi. S of Ferndale on Mattole Rd. Comment
  HSC56142  Tellima grandiflora G. L. Clifton, Griswold 1979-8-1 11969 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC75801  Tellima grandiflora Bill Copeland 1980-7-2 355 Humboldt Near Snow Camp Creek 1311 Comment
  HSC79487  Tellima grandiflora Kenneth Clark 1980-3-23 536 Humboldt Along S Fork of Dead Man's Gulch 69 Comment
  CAS-BOT-BC399767  Thalictrum polycarpum Alice Eastwood 1921-7-21 10669 Humboldt Vanduzen [Van Duzen] River, on the road Comment
  UC10967  Thlaspi montanum var. montanum Harley P. Chandler June, 1901 1377 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 182 Comment
  CAS-BOT-BC81314  Thuja plicata Doris K. Kildale 1927-3-26 s.n. Humboldt Warren Creek Comment
  UC484081  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt 9 m above Blue Lake (along road to Willow Creek (Lord Ellis Road)) 243 Comment
  UC615042  Thuja plicata Beryl O. Schreiber 1934-6-5 1132 Humboldt 5 mi e of Blue Lake (road to Redding, wooded slope) 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
  CAS-BOT-BC436907  Tiarella trifoliata var. unifoliata Doris Kildale 1931-5-10 10676 Humboldt Snow Camp Comment
  CAS-BOT-BC436916  Tiarella trifoliata var. unifoliata Alice Eastwood; John Thomas Howell 1937-6-23 4777 Humboldt Near Dinsmore's Comment
  RSA32652  Tiarella trifoliata var. unifoliata Doris K. Kildale 1925-6-28 833 Humboldt Lawrence Crk. Comment
  UC275557  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1924-7-4 6709 Humboldt Snow Camp Northern Coast Ranges 1371 Comment
  UC302171  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1925-7-5 7181 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC447610  Tolmiea menziesii Harley P. Chandler 1901-5-1 1268 Humboldt Redwood Belt 457 Comment
  UC169326  Tonella tenella Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5388 Humboldt near Hubbard's Station; North Coast Ranges Comment
  HSC58401  Torreyochloa pallida var. pauciflora Griswold, Butler 1979-7-11 7032 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  UCD93213  Torreyochloa pallida var. pauciflora A. H. Murphy 1951-7-1 84 Humboldt shore of Bransetter Lake south of Capetown. Comment
  HSC95682  Toxicodendron diversilobum Steven Lee 2004-4-25 25 Humboldt From Hwy. 299, take South Fork Rd. to County Rd. 341. River access trail is at the end of the road. Comment
  JEPS63934  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 a Humboldt S. Fork Trinity R., Martin's Ranch Comment
  HSC56236  Trautvetteria caroliniensis Walter Overton 1979-8-1 12318 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC56957  Triantha occidentalis subsp. occidentalis Overton, Butler 1979-7-23 9470 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  JEPS63148  Trichostema laxum Joseph P. Tracy 1926-10-15 7815 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  HSC100081  Trientalis latifolia Jimerson, J. Pageau 1979-6-22 607 Humboldt Near Bee Mtn., close to the town of Orleans 655 Comment
  HSC45615  Trientalis latifolia Diane L. Reed 1978-5-7 49 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC1197212  Trifolium albopurpureum var. dichotomum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3613 Humboldt near Hydesdale (and Alton); Northern Coast Ranges Comment
  UC1197213  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1912-6-9 3668 Humboldt Alton Northern Coast Ranges Comment
  UC1223472  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1943-5-23 17426 Humboldt e Redwood Creek (on Trinity Highway); Berry's Mountain Comment
  UC249524  Trifolium bifidum var. bifidum Joseph P. Tracy 1922-4-30 5992 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC45114  Trifolium ciliolatum R. Sutherland 1978-5-16 7 .16578 Humboldt 155 Comment
  UC1197495  Trifolium cyathiferum Joseph P. Tracy 1933-7-15 12735 1/2 Humboldt lower foothills of nw slope; Buck Mtn Comment
  UC495733  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1932-5-10 9948 Humboldt near Petrolia (Mattole River); Northern Coast Ranges 15 Comment
  HSC15116  Trifolium dubium Harvey Doerksen 1962-5-8 18 Humboldt 3 mi. W of Blue Lake, fork Mad River and Essex Creek Comment
  POM118629  Trifolium dubium Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC97569  Trifolium eriocephalum subsp. eriocephalum Cara Witte 2007-6-7 225 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1263 Comment
  HSC2113  Trifolium fucatum C. B. Wolf 1927-8-30 1236 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC1541583  Trifolium fucatum H. E. and S. T. Parks May 1930 738 Humboldt vicinity Bridgeville Comment
  UC41600  Trifolium fucatum J. Burtt Davy 1899-6-19 5684 Humboldt Hoopa Mtn North Coast Ranges Comment
  UC495702  Trifolium fucatum Joseph P. Tracy 1927-6-5 8100 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  RSA168896  Trifolium fucatum var. fucatum Joseph P. Tracy 1950-6-8 18747 Humboldt Cape Ridge, one mil east of Cape Mendocino. 152 Comment
  UCD111199  Trifolium hirtum B. L. Kay 1955-6-2 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  HSC59064  Trifolium incarnatum Thomas Wood 1979-4-6 95 Humboldt On Hwy. side W of 2nd bridge overpass from Eureka, on Gunther Island Comment
  UC175675  Trifolium longipes subsp. hansenii Joseph P. Tracy 1913-6-17 4157 Humboldt Northern Coast Ranges. Buck Mountain, near summit. Comment
  HSC40537  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2527 Humboldt In the Canyon of Bear Creek, W of Black Lassic 1524 Comment
  UC175678  Trifolium longipes subsp. oreganum Joseph P. Tracy 1913-6-17 4161 Humboldt Northern Coast Ranges. Buck Mountain, near summit. 1524 Comment
  HSC98891  Trifolium longipes subsp. shastense Cara Witte 2008-7-1 779 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  UC1197210  Trifolium longipes var. hansenii Joseph P. Tracy 1913-6-23 4282 Humboldt near summit of ridge (betw Van Duzen and Mad Rivers, Dinsmore's ranch); Northern Coast Ranges 1066 Comment
  CHSC70013  Trifolium macraei Sydney Carothers 1995-6-13 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. west of Arcata. Comment
  UC495661  Trifolium macraei Joseph P. Tracy 1932-5-10 9940 Humboldt 3 mi s point of cape (fronting the ocean); Northern Coast Ranges, Cape Mendocino 3 Comment
  HSC45140  Trifolium microcephalum R. Sutherland 1978-5-19 6 .19578 Humboldt Bridge over Redwood Creek at 'Shop Rd. 128 Comment
  HSC40950  Trifolium microdon Linda M. Barker 1976-6-1 1544 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  RSA322029  Trifolium microdon John M. Gillett, A. G. Moulds, George W. Gillett 12607 Humboldt Trinidad. Comment
  SEINET7097948  Trifolium obtusiflorum A. G. Vestal 1937-1 s.n. Humboldt Ca. 14 miles south of Garberville on Route 101. UTM Zone 10, 433343 mE, 4422303 mN. Lat. 39 57' 00ao N, Long. 123 46' 49ao W NAD 27 (Converted to WGS84 decimal degrees) Comment
  UC1197501  Trifolium obtusiflorum Joseph P. Tracy 1915-6-6 4648 Humboldt along rr track (Eureka); Northern Coast Region 0 Comment
  UC160937  Trifolium oliganthum Joseph P. Tracy 1903-5-23 1895 Humboldt Alder Point Eel River; Northern Coast Ranges 152 Comment
  SD90164  Trifolium repens Benjamin C. Stone 1952-6-21 117 Humboldt Stone Lagoon on Hwy 101 14 Comment
  UC1223325  Trifolium repens Joseph P. Tracy 1933-7-25 12861 Humboldt near Clear Lake; Grouse Mtn 1524 Comment
  HSC48608  Trifolium repens Mark Flippo 1978-4-18 11 Humboldt Mckinleyville, Bella Vista Rd. Comment
  RSA249709  Trifolium repens Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-8 35250 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  UCD109390  Trifolium subterraneum R. Tofsrud 1949-7-1 s.n. Humboldt Hydesville. Comment
  SEINET12156847  Trifolium variegatum var. pauciflorum J. P. Tracy 1935-1 13815 Humboldt at Eureka 61 Comment
  UC1223536  Trifolium variegatum var. variegatum Joseph P. Tracy 1935-5-24 13815 Humboldt Lentell Addition Eureka Comment
  UC1223314  Trifolium willdenovii Joseph P. Tracy 1936-6-9 14910 Humboldt near Hadley Place (upper valley); Norhern Coast Ranges, Mattole Valley Comment
  HSC27894  Trifolium wormskioldii Clifton Raymond Chesbrough 1973-6-19 64 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  HSC14169  Triglochin maritima D. E. Anderson 1961-9-3 1779 Humboldt Along Hwy. 101 Comment
  POM319421  Triglochin maritima Patricia Wilder 1968-8-21 4374 Humboldt Big Lagoon Park, just west of U.S. 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 15 Comment
  SDSU19196  Trillium albidum Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3006 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 7.5 miles south, west 0.2 miles to Cold Spring. Ca. 0.2 mile south-southeast of Cold Spring. Ca. 3.3 aerial miles south-southeast of Horse Mtn. Radio Tower. 1416 Comment
  CAS-BOT-BC520051  Trillium albidum Doris K. Kildale 1926-3-23 1601 Humboldt Humboldt County 21 Comment
  HSC28001  Trillium albidum Maralyn O'Meara 1973-6-12 202 Humboldt Runoff from Cold Spring Comment
  HSC101814  Trillium kurabayashii Kjirsten A. Wayman 2012-5-4 315 Humboldt Bald Hills Road, 19 mi. SE of Hwy 101, N 41.14003 deg. W 123.85954 deg. 916 Comment
  HSC96774  Trillium kurabayashii M. Mesler 2006-5-25 604 Humboldt Big Hill Rd., 11.4 mi. E of Hwy. 96 at Six Rivers Forest boundary 1463 Comment
  HSC99729  Trillium kurabayashii K. A. Wayman 2009-2-28 269 Humboldt Redwood National Park, near Orick, along Redwood Creek Trail, 1.4 mi. from trailhead, just before trail drops down to Redwood Creek Comment
  CAS-BOT-BC133396  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  JEPS47275  Trillium ovatum Willis G. Corbitt 1930-5-11 Humboldt Scotia Comment
  RSA168951  Trillium ovatum Joseph P. Tracy 1950-4-20 18613 Humboldt 1 mile west of Dinsmores on Van Duzen River. Comment
  SEINET3888783  Trillium ovatum Michael Dalke 1979-3-31 8 Humboldt Eureka Quadrangle- Azalea Park 2 miles E of U.S. 101.; 0 24 Comment
  HSC99366  Trillium ovatum subsp. ovatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 15 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC49797  Trillium ovatum subsp. ovatum R. York 1979-4-9 215 Humboldt Behind HSU campus Comment
  UC951233  Triphysaria eriantha subsp. eriantha S. K. Harris 1942-6-10 1474 Humboldt Prairies Bear River Ridge Bear River Ridge; , Prairies 457 Comment
  HSC20844  Triphysaria eriantha subsp. eriantha L. D. Thurman 1965-4-8 626 Humboldt 4.4 mi. S of Samoa Comment
  HSC34945  Triphysaria eriantha subsp. eriantha Robert M. Specht 1975-4-9 124 Humboldt End of Murray Rd., W of Hwy. 101 6 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
  CDA41904  Triphysaria pusilla April A. Allard & Gregory D. O Connell 2005-6-1 8 Humboldt Coldspring Camp, 7.4 miles south of Hwy. 299 on NF1. Comment
  UC1537448  Triphysaria versicolor subsp. versicolor Gordon H. True Jr. 1936-5-12 475 Humboldt s Eureka; s of Eureka 15 Comment
  UCD93603  Trisetum canescens P. B. Kennedy 1923-8-3 s.n. Humboldt Bluff Creek to Orrick. Comment
  HSC104044  Trisetum cernuum C. Reynolds 2015-4-25 38 Humboldt About 1 mi. from Redwood Creek Trailhead, off Bald Hills Road 26 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
  CAS-BOT-BC519141  Triteleia hyacinthina Tom Craig 1941-7-2 s.n. Humboldt Near Yager Comment
  HSC38090  Triteleia laxa Thomas W. Nelson, James Nelson 1976-5-30 2611 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC81661  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-7-13 6060 Humboldt Along the rd. from Dinsmore to Anderson Ford-McKeown Ranch rd. 762 Comment
  UC175817  Triteleia laxa Joseph P. Tracy 1912-6-30 3711 Humboldt Eureka Northern Coast Region 0 Comment
  UCR32084  Triteleia laxa David J. Keil 1983-7-2 17340 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  CAS-BOT-BC526354  Triteleia laxa Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SEINET12053134  Triteleia laxa Unknown 1936-1 13196 Humboldt near Ukiah Comment
  HSC100450  Troximon heterophyllum Carl C. Marshall May 1887 494 Humboldt Kneeland Prairie. Comment
  HSC28303  Tsuga heterophylla Gary S. Lester 1973-12-8 63 Humboldt Comment
  SBBG25959  Tsuga heterophylla E. R. Blakley 1966-8-17 6798 Humboldt Patrick's Pt, 5 mi N of Trinidad 60 Comment
  UCD170577  Tsuga heterophylla Gordon Leppig 1998-4-7 732 Humboldt Berry Summit on west slope, Rt. 299. 762 Comment
  UC1193224  Umbellularia californica R. H. Neuns 1950-10-12 139 Humboldt Queens Peak, Quadrangle 28D4 Queens Peak 701 Comment
  UC1223044  Uropappus lindleyi Joseph P. Tracy 1947-5-10 17676 Humboldt near Briceland Comment
  HSC60134  Urtica dioica subsp. gracilis M. A. Baker 1977-5-1 277 Humboldt E of Humboldt State University. Comment
  POM160273  Urtica dioica subsp. gracilis Joseph P. Tracy 1926-5-25 7516 Humboldt Around Humboldt Bay. Elk River Valley. 30 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
  UC672856  Urtica dioica subsp. holosericea Joseph P. Tracy 1937-7-19 15448 Humboldt Blue Slide on Van Duzen River Blue Slide; Van Duzen River, Blue Slide 91 Comment
  RSA54143  Utricularia vulgaris subsp. macrorhiza H. M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley Place. Orleans region. Comment
  UC562490  Vaccinium membranaceum Joseph P. Tracy 1936-8-7 15096 Humboldt head of Little Hors-Linto Creek Trinity Summit, Little Hors-Linto Creek 1371 Comment
  CAS-BOT-BC199307  Vaccinium ovatum Volney Rattan 1879-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC199316  Vaccinium ovatum P. C. Everett; E. K. Balls 1959-10-26 23974 Humboldt 4 mi. se. from Honeydew along Old Coast Road to Ettersburg 457 Comment
  CAS-BOT-BC199324  Vaccinium ovatum L. R. Abrams 1918-6-16 7188 Humboldt Willow Creek Comment
  HSC79432  Vaccinium ovatum Kenneth Clark 1981-4-5 1301 Humboldt Above S fork Dead Man's Gulch 114 Comment
  RSA46803  Vaccinium ovatum Doris K. Kildale 1927-5-15 3189 Humboldt Big Lagoon Flat. Comment
  UC1197768  Vaccinium ovatum Joseph P. Tracy 1918-5-5 4919 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  CAS-BOT-BC199417  Vaccinium parvifolium Doris K. Kildale 1926-8-15 2547 Humboldt Hoopa Mountain 792 Comment
  CHSC114203  Vaccinium parvifolium Loren Gehrung 1998-7-30 159 Humboldt Patricks Point State Park. Comment
  HSC100480  Vaccinium parvifolium Carl C. Marshall May 1886 217 Humboldt Woods, Humboldt Bay. Comment
  HSC99004  Vancouveria hexandra Cara Witte 2008-8-16 1026 Humboldt Ammon Ridge Road. Approximately 1/4 mile east of intersection with National Forest 1. 1548 Comment
  SD90209  Vancouveria hexandra Benjamin C. Stone Jul 1952 114 Humboldt Near Founders Tree, Humboldt Redwoods State Park 149 Comment
  CAS-BOT-BC76083  Vancouveria planipetala Doris K. Kildale 1926-5-2 1861 Humboldt Willow Creek Flat. 152 Comment
  HSC44512  Vancouveria planipetala Brad Klipfel 1973-7-1 122 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UCSB23564  Vancouveria planipetala Keefe, Joseph 1967-7-8 Humboldt Redwood Forest, Avenue of the Giants, 2.4 miles north of Miranda 121 Comment
  HSC73644  Veratrum californicum var. californicum M. A. Baker 1980-7-22 3112 Humboldt Near Grogan Hole. 1676 Comment
  UC153947  Veratrum californicum var. californicum Joseph P. Tracy 1910-7-24 3158 Humboldt marshy places at foot of hill 1 1/2 mi s Field's Landing; Northern Coast Region, region about Humboldt Bay 0 Comment
  HSC70356  Veronica americana M. A. Baker 1980-6-7 1865 Humboldt Near Ammon Creek 732 Comment
  RSA46832  Veronica americana Doris K. Kildale 1926-5-9 1988 Humboldt Kneeland Prairie. Comment
  UC147899  Veronica arvensis Joseph P. Tracy 1908-6-9 2669 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS16493  Veronica peregrina subsp. xalapensis Joseph P. Tracy 1935-5-25 13832 Humboldt Fort Seward 106 Comment
  HSC21213  Veronica persica R. A. Eagle 1964-4-15 32 Humboldt Just off campus of HSC near elementary school 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
  UC175633  Vicia americana var. americana Joseph P. Tracy 1913-6-20 4224 Humboldt nw slope Buck Mountain (lower foothills); Northern Coast Ranges 762 Comment
  POM68420  Vicia gigantea Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1222588  Vicia hirsuta Joseph P. Tracy 1950-6-17 18835 Humboldt Eureka Comment
  UC1222589  Vicia hirsuta Joseph P. Tracy 1943-7-1 17428 Humboldt Eureka; 7th and I Streets, vacant lot Comment
  UC1222590  Vicia hirsuta Joseph P. Tracy 1944-6-10 17474 Humboldt Eureka Comment
  HSC15257  Vicia sativa subsp. nigra C. Kline 1970-10-28 49 Humboldt North Bank Rd., 3 mi. W of Blue Lake, Mad River gravel bottoms Comment
  RSA755060  Vicia sativa subsp. nigra Robert F. Thorne, Percy C. Everett 1965-8-8 35241 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  CHSC35677  Vicia sativa subsp. sativa James P. Smith 1973-5-26 6831 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  RSA12423  Viola adunca Carl B. Wolf 1934-7-2 5871 Humboldt At edge of small lake at Snow Camp. (Mts. east of Korbel). 1372 Comment
  UC1761955  Viola adunca Mrs. Wilder 1926-4 Humboldt Carlotta Comment
  HSC65883  Viola cuneata M. A. Baker 1980-6-16 1945 Humboldt Near Onion Mtn. 1280 Comment
  RSA168949  Viola cuneata Joseph P. Tracy 1950-7-1 18946 Humboldt Summit near Clear Lake. Grouse Mountain. 1524 Comment
  HSC71037  Viola glabella Thomas W. Nelson 1977-4-20 3329 Humboldt Along USFS Road 1N15 at summit 915 Comment
  HSC97583  Viola glabella Cara Witte 2007-5-23 100 Humboldt Near Grouse Mtn. Along 4N32. Approximately 0.5 mi. S of intersection with 5N04 and 4N32E. 1398 Comment
  UC902117  Viola glabella Joseph P. Tracy 1948-8-15 18142 Humboldt on Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  HSC21784  Viola glabella Elrid H. Spinas 1948-5-15 7 Humboldt Horse Mtn.; 1 mi. off Hwy. 299 Comment
  HSC97729  Viola glabella C. Witte 2007-5-10 22 Humboldt Board Camp. 1/2 miles from National Forest 1, on Forest Service Road 4N38. 1395 Comment
  UC1198447  Viola glabella Joseph P. Tracy Jul 16 1930-Jul 19 1930 9020 Humboldt forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC96267  Viola hallii Eric Schori, Kazuyuki Ishimaru 2005-6-10 9 Humboldt 7.4 mi. S of Rt. 299 on Titlow Hill Rd.; Coldspring Campground spur road 1370 Comment
  UC1198438  Viola ocellata Joseph P. Tracy 1937-5-30 15307 Humboldt 5 mi n of Blocksburg (Larrabee Creek); Larrabee Creek 365 Comment
  BLMAR574  Viola praemorsa Jennifer Wheeler 2010-5-12 574 Humboldt Lacks Creek, Faulkner prairie 731 Comment
  HSC36500  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1892 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC39683  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson 1976-6-16 2738 Humboldt Along old trail from lookout to Blocksburg 1524 Comment
  SEINET10404787  Viola sarmentosa Unknown 1967-6-16 67 -12 Humboldt of Orick; James Irvine redwood grove, U.S. 101 Comment
  RSA46711  Vitis californica Doris K. Kildale 1926-5-2 1864 Humboldt Willow Creek Flat. Comment
  SEINET10918233  Vitis californica Unknown 1988-7-25 Anonymous s.n Humboldt Hwy Am [P--], Chestnut & Drew Comment
  HSC40344  Vulpia bromoides Linda M. Barker 1976-5-13 1478 Humboldt 3 mi. W of Arcata. Comment
  HSC9839  Vulpia bromoides J. W. Johnson 1962-4-18 1266 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  SEINET202037 Image available Vulpia microstachys var. pauciflora Joeseph P. Tracy 14825 Humboldt French Camp Ridge 1067 Comment
  CAS-BOT-BC128811  Whipplea modesta Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  HSC20446  Whipplea modesta G. N. Bos 1965-5-2 239 Humboldt 7 mi. E of Korbel on Bald Mtn. Rd. 793 Comment
  HSC57125  Wyethia angustifolia Overton, Butler 1979-7-25 9885 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC63840  Wyethia angustifolia M. A. Baker 1979-6-26 908 Humboldt S facing ridge Comment
  HSC98513  Wyethia longicaulis Cara Witte 2007-5-21 67 Humboldt White Oak Opening. 1257 Comment
  UC582623  Xanthium spinosum Joseph P. Tracy 1929-11-11 8686 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC31210  Xerophyllum tenax D. E. Anderson 1972-6-20 5728 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  SEINET12197025  Zauschneria californica E. A. York 1990-1-10 2675 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC34745  Zeltnera muehlenbergii Thomas W. Nelson 1974-7-19 1670 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC43850  Zeltnera muehlenbergii Maralyn O'Meara 1974-7-17 557 Humboldt Kneeland Comment
  HSC8420  Zeltnera muehlenbergii Yarick 1960-8-5 Humboldt M&M, 7 mi. Krueger Creek 152 Comment
  HSC31209  Zigadenus micranthus D. E. Anderson 1972-6-20 5741 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment



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