Search Results — 2000 specimen records retrieved (1314 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC55021  Abies concolor Overton, Butler 1979-7-31 11430 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC13030  Abies grandis D. Santana, C. Kline Oct 1970 3 Humboldt HSC Campus Comment
  UC502904  Abies grandis Joseph P. Tracy 1932-3-20 9781 Humboldt Trinidad Northern Coast Region, Trinidad 60 Comment
  CHSC1069  Abronia latifolia 1947-6-1 Humboldt Coastal. Comment
  CAS-BOT-BC383849  Abronia latifolia Doris K. Kildale 1926-6-18 2406 Humboldt Golf Bluffs Comment
  JEPS61219  Abronia umbellata William S. Cooper 1925-7-30 128 Humboldt Little River Comment
  HSC16139  Abronia umbellata var. breviflora R. C. Hoover 1965-5-18 53 Humboldt Clam beach. Comment
  CDA40634  Acaena novae-zelandiae T. C. Fuller 1966-10-4 15236 Humboldt 1 mile northwest of Fieldbrook. 0 Comment
  SD42321  Acer glabrum Carl B. Wolf 1937-9-13 93360 Humboldt Clear Lake between Horse Mtn. and Grouse Mtn. 1525 Comment
  HSC57964  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-31 11671 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  SDSU297  Acer macrophyllum L. N. Harvey 1930-9-27 Humboldt Eel River Comment
  UC166038  Acer macrophyllum Joseph P. Tracy 1910-4-17 3117 Humboldt near the forks Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay, nr Elk River 0 Comment
  CHSC33061  Achillea millefolium James P. Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell, California. Railroad right-of-way. Comment
  HSC58006  Achillea millefolium G. L. Clifton, Griswold 1979-7-31 11793 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC91930  Achillea millefolium E. Mackey 1987-5-2 Humboldt Patrick's Point State Park; Palmer's Point Comment
  SD17523  Achillea millefolium Edith A. Purer 1932-7-27 4133 Humboldt Near Arcata Comment
  CAS-BOT-BC28580  Achillea millefolium Doris K. Kildale 1926-8-8 2475 Humboldt Dyerville Bridge, on river bar 45 Comment
  HSC89501  Achillea millefolium M. Roantree 1985-6-10 80 Humboldt East side of Trinidad Head Comment
  UC9738  Achlys californica Harley P. Chandler June, 1901 1293 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 182 Comment
  CAS-BOT-BC400018  Achlys triphylla Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC56973  Achlys triphylla Overton, Butler 1979-7-23 9506 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 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
  UCD50670  Achnatherum lemmonii A. H. Murphy 1951-6-25 71 Humboldt 1 mile east of Snow Camp, ca. 8 miles e.n.e. of Kneeland. Humboldt County, California. Comment
  UCD51130  Achnatherum occidentale subsp. californicum Don Hagar 1957-8-6 s.n. Humboldt Red Cap Prairie, west of Trinity Summit. 1828 Comment
  HSC79425  Acmispon wrangelianus Kenneth Clark 1980-4-18 607 Humboldt Along access trail to Dead Man's Gulch. 114 Comment
  CAS-BOT-BC391411  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  HSC59943  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-6-30 4112 Humboldt Comment
  HSC56001  Aconitum columbianum subsp. viviparum Overton, Butler 1979-7-31 11449 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC100608  Actaea arguta Carl C. Marshall Apr 1886 182 Humboldt Warren Creek. Comment
  HSC37338  Adenocaulon bicolor Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 486 Humboldt Along Lost Man Creek. 38 Comment
  HSC4590  Adenocaulon bicolor D. E. Anderson 1961-9-23 1831 Humboldt 2.3 mi. S of Kneeland corner Comment
  JEPS336  Adiantum aleuticum W. L. Jepson 1932-7-26 16412 Humboldt Bull Creek Comment
  POM118378  Adiantum aleuticum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC98752  Adiantum aleuticum Cara Witte 2007-7-12 514 Humboldt Forest Service Road 5N10. 2 miles east of intersection with National Forest 1. 1339 Comment
  SEINET202723 Image available Adiantum capillus-veneris J. P. Tracy 1951-7-8 19622 Humboldt JP Tracy's garden at Eureka Comment
  CAS-BOT-BC202607  Aesculus californica Doris K. Kildale 1927-5-15 3161 Humboldt Petrolia Comment
  UC1222301  Aesculus californica Joseph P. Tracy 1950-7-6 18983 Humboldt Bridgeville 198 Comment
  HSC56442  Agastache urticifolia Griswold, Butler 1979-7-12 7184 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1222942  Agoseris grandiflora Joseph P. Tracy 1948-8-8 18093 Humboldt Iaqua School House Iaqua Comment
  UC166791  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-8-2 1245 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1222934  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1942-6-15 17146 Humboldt n end Garberville Comment
  UC1222937  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19024 Humboldt 3 mi s, sw slopes of Buck Mt Burr Valley; Buck Mountain 1066 Comment
  UC166821  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-6-16 1152 Humboldt at Bucksport; Eureka 0 Comment
  POM225522  Agoseris grandiflora var. leptophylla P. A. Munz 1936-8-13 14383 Humboldt 10 miles west of Willow Creek Comment
  UCD128614  Agoseris heterophylla James P. Smith 1973-5-5 6479 Humboldt Along Cook and Green Pass Road. Comment
  UC1199483  Agoseris heterophylla var. heterophylla Joseph P. Tracy Jul 16 1930-Jul 19 1930 9045 Humboldt near, in open glades along summit Blake lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC165755  Agoseris heterophylla var. heterophylla J. P. Tracy 1906-5-13 2455 Humboldt sand hills at Samoa; Ocean Beach Comment
  UC165996  Agoseris heterophylla var. heterophylla J. P. Tracy 1903-5-22 1875 Humboldt on grassy hills Alder Point 152 Comment
  UCD92452  Agrostis Joseph P. Tracy 1936-6-10 14917 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC127276  Agrostis exarata Joseph P. Tracy 1900-8-26 926 Humboldt Immediate vicinity of Eureka. 152 Comment
  HSC102149  Agrostis exarata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1056 Humboldt Patterson Meadows 1566 Comment
  POM126122  Agrostis exarata Joseph P. Tracy 1924-7-13 6731 Humboldt Big Lagoon 6 Comment
  UC207702  Agrostis exarata Joseph P. Tracy 1917-6-24 4825 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River 60 Comment
  UC526893  Agrostis exarata Joseph P. Tracy 1927-7-17 8285 Humboldt grassy slopes on lower foothills of Chaparral Mountain Northern Coast Ranges (vernal pond) 457 Comment
  UC588204  Agrostis exarata H. E. Parks 1935-6-1 5607 Humboldt Spruce Cove , Trinidad Comment
  UCD52138  Agrostis exarata Joseph P. Tracy 1938-7-4 16021 Humboldt Big Lagoon. 6 Comment
  UCD52425  Agrostis exarata J. E. Street 1950-6-24 s.n. Humboldt Bryalands. Comment
  UCD52494  Agrostis exarata Joseph P. Tracy 1935-7-21 14111 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1103523  Agrostis hallii Joseph P. Tracy 1919-9-22 5267 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  RSA10064  Agrostis humilis Joseph P. Tracy 1930-7-16 8989 Humboldt South Fork Mountain: at McKay Camp 1677 Comment
  RSA10019  Agrostis idahoensis Joseph P. Tracy 1932-7-16 10608 Humboldt Klamath Mtns., Trinity Summit, Corral Prairie 1524 Comment
  CAS-BOT-BC139061  Agrostis pallens Joseph P. Tracy 1935-7-28 14335 Humboldt Trinity Summit. Head of Brett Hole. 1828 Comment
  SEINET3127763  Agrostis pallens J. B. Davy 1899-6-13 5521 Humboldt Near Pepperwood Comment
  SEINET4558769  Agrostis pallens Doris Kildale 1925-1 s.n. Humboldt Trinity Summit 1524 Comment
  CAS-BOT-BC138634  Agrostis stolonifera John Thomas Howell 1937-7-31 13722 Humboldt 4 miles north of Loleta. Comment
  HSC8802  Agrostis stolonifera John Warner Hosking 1966-8-6 Humboldt Aracata, HSU campus, near Wildlife Bldg. Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  HSC8855  Aira caryophyllea N. R. Waite 1965-5-19 41 Humboldt W edge of Humboldt State University campus. Comment
  UC726346  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt 10 mi s Dyerville; Humboldt Camp Comment
  UCD55700  Aira caryophyllea Joseph P. Tracy 1950-6-15 18814 Humboldt near Huestis Rock, on Harris Road, 6 miles southeast of Fruitland. 914 Comment
  CAS-BOT-BC138197  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Northern Coast Ranges. Eureka. 60 Comment
  HSC40342  Aira praecox Linda M. Barker 1976-4-30 1411 Humboldt 3 mi. W of Arcata Comment
  HSC8868  Aira praecox E. W. Styskel 1964-5-7 80 Humboldt 2 mi. S of Samoa near Samoa Rd. Comment
  RSA256299  Aira praecox J. R. Reeder, C. G. Reeder 1973-5-26 6186 Humboldt 2 miles S of Orick in Humboldt State Park, near Pacific Shore. Comment
  UC526677  Aira praecox Joseph P. Tracy 1932-5-16 10103 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  SEINET11683263  Aira praecox K. S. Erdman 1970-1 4808 Humboldt Gold Bluff Beach, ca 3 mi NW of Berry Glen & US 101 (Redwood NP) Comment
  HSC37500  Alisma triviale J. D. Ackerman 1975-8-2 611 Humboldt Intersection of Indianola Cutoff and Hwy. 101, ca. half-way between Eureka and Arcata. Comment
  HSC98976  Allium acuminatum Cara Witte 2008-7-14 900 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  UC1198198  Allium bolanderi Joseph P. Tracy 1936-6-10 14923 Humboldt mountain slopes w mouth of South Fork of Trinity River; South Fork of Trinity River 304 Comment
  HSC32148  Allium campanulatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5599 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC99529  Allium campanulatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 193 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  HSC74089  Allium falcifolium Gail Newton 1980-6-28 679 Humboldt Near Mad River Butte 1536 Comment
  RSA183583  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mountain. 1433 Comment
  HSC67211  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-7-10 5440 Humboldt Along branch rd. off Swayback Ridge Rd., 0.5 mi. E of junction 1372 Comment
  CHSC114026  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy. 101 ca. 1.0 miles west of Orick. 4 Comment
  UC1222697  Allium unifolium Joseph P. Tracy 1950-6-25 18890 Humboldt Burr Valley Comment
  CAS-BOT-BC476629  Allium unifolium M. S. Jessel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  HSC47291  Allium unifolium Dale McNeal 1978-6-3 2160 Humboldt 4.3 mi. S of Bridgeville on rd. to Blocksburg Comment
  JEPS59052  Allotropa virgata W. L. Jepson 1902-7-25 2117 Humboldt Trinity Summit Comment
  UC503085  Alnus rhombifolia Joseph P. Tracy 1931-10-11 9717 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  SEINET12027585  Alnus rhombifolia J. P. Tracy 1950-1 19375 Humboldt Klamath River, near Slate Creek, below Orleans 8 mi 122 Comment
  CAS-BOT-BC169530  Alnus rubra Doris K. Kildale 1926-3-20 1540 Humboldt Big Lagoon Comment
  CAS-BOT-BC169546  Alnus rubra Joseph P. Tracy 1930-11-16 9255 Humboldt Alton, along Van Duzen River 30 Comment
  CHSC130  Alnus rubra A. Small 1953-4-1 Humboldt Near Ferndale. Comment
  HSC81811  Alnus rubra Kenneth Clark 1980-6-14 692 Humboldt N Fork of Dead Man's Gulch; throughout Shelter Cove 61 Comment
  UC484033  Alnus rubra C. B. Wolf 1930-10-26 1767 Humboldt near Redwood Highway Bridge (s edge of Lagoon); Big Lagoon 9 Comment
  HSC56342  Alnus viridis subsp. sinuata Griswold, Butler 1979-7-10 6257 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC1103316  Alopecurus aequalis Joseph P. Tracy 1924-8-31 6851 Humboldt Klamath R. at Bluff Creek; Northern Coast Ranges, Klamath R. 91 Comment
  RSA550889  Alopecurus geniculatus R. F. Thorne, P. Everett 1965-8-9 35334 Humboldt Clam Beach County Park. 3 Comment
  UC1152031  Alopecurus pratensis Joseph P. Tracy 1951-6-21 19517 Humboldt cultivated in experimental grass garden of Albert H. Murphy at Everett Beck's Ranch Hydesville Comment
  SEINET202725  Alopecurus saccatus J. P. Tracy 1951-6-21 19525 Humboldt Back of Everett Beck home (formerly George Gray) bed of former Goose Lake Hydesville Comment
  HSC12525  Ambrosia chamissonis Wilbur Peterson 1970-10-7 13 Humboldt McKinleyville Beach at the end of Murray Rd. Comment
  HSC5663  Ambrosia chamissonis D. E. Anderson 1961-9-2 1771 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  JEPS40952  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt near Samoa; Humboldt Bay 6 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
  HSC18528  Amelanchier alnifolia var. semiintegrifolia D. E. Anderson 1964-4-24 3541 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  CHSC68792  Ammophila arenaria Vernon Oswald 1997-6-5 8535 Humboldt North Spit of Humboldt Bay, west side of New Navy Base Rd. 1.0 mi south of Hwy. 255. 6 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
  RSA86667  Ammophila arenaria F. W. Peirson 1941-7-29 13112 Humboldt Little River Beach State Park. Comment
  SBBG115197  Ammophila arenaria D. Leaberry 1992-6-20 Humboldt Clam Beach County Park, ca. 1 mi N of Arcata Airport Comment
  UC205671  Ammophila arenaria Joseph P. Tracy 1918-7-28 5087 Humboldt Ocean Beach at Humboldt Bay, Northern Coast Region Comment
  UC175680 Image available Amsinckia spectabilis Joseph P. Tracy 1910-6-5 3152 Humboldt sand dunes of ocean beach at Humboldt Bay; Northern Coast Region; Ocean Beach at Humboldt Bay Comment
  CDA30216  Anaphalis margaritacea M. K. Beyers, I. Shepardson 2009-9-13 256 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  HSC67040  Anaphalis margaritacea J. P. Smith 1971-10-9 5043 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  RSA15556  Anaphalis margaritacea C. B. Wolf 1927-8-30 1230 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
  UC1125515  Anaphalis margaritacea H. L. Person 1931-7-30 Humboldt Fieldbrook; Eureka Quad. Comment
  CAS-BOT-BC45139  Anaphalis margaritacea Mrs. H. C. Cantelow 1936-8-29 s.n. Humboldt 17 mi N of Garberville, S Fork Eel River, 1 mi off Rw. Highway 198 [Redwood Highway?] Comment
  POM318602  Anaphalis margaritacea Patricia Wilder 1968-8-21 4381 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  SEINET6734966 Image available Anaphalis margaritacea H. E. Parks, S. T. Parks 1943-1 24237 Humboldt North Coast Ranges, along highway, Stone Lagoon Comment
  HSC56130  Anemone deltoidea G. L. Clifton, Griswold 1979-8-1 11942 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC56211  Anemone deltoidea G. L. Clifton, Griswold 1979-8-2 12216 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS79808  Anemone deltoidea Joseph P. Tracy Jul 16 1930-Jul 19 1930 8964 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC98600  Anemone deltoidea Cara Witte 2008-6-15 736 Humboldt Along National Forest 1. 3 miles north from intersection with Forest Service Road 6N01B. 1456 Comment
  JEPS16073  Angelica genuflexa Joseph P. Tracy 1927-9-25 8380 Humboldt 2 mi s of Fields Landing (around Humboldt Bay, at Still Ranch); Northern Coast Region, Still Ranch 6 Comment
  UC673053  Angelica genuflexa Joseph P. Tracy 1940-9-26 16725 Humboldt Eureka, near south city limits Eureka 6 Comment
  CAS-BOT-BC221421  Angelica hendersonii Carl B. Wolf 1927-8-29 1216 Humboldt Devil's Gate, south of Cape Mendocino Comment
  HSC71416  Angelica hendersonii J. M. DiTomaso 1980-8-1 1820 Humboldt Alton, S of Eureka, above NE junction of railroad and Hwy 36, E of Hwy 101 Comment
  UC1197376  Angelica hendersonii H. E. Parks and Joseph P. Tracy 1924-8-3 6740 Humboldt Northern Coast Ranges, Big Lagoon Big Lagoon; Northern Coast Ranges, Big Lagoon 152 Comment
  UCD127226  Angelica hendersonii Joseph DiTomaso 1980-6-29 1634 Humboldt north side of Elkshead. 2 miles north of Trinidad. Comment
  HSC56203  Angelica tomentosa G. L. Clifton, Terry Griswold 1979-8-2 12194 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  SD42569  Angelica tomentosa var. hendersonii Carl B. Wolf 1937-8-11 2910 Humboldt 1/2 mile east of Alton 17 Comment
  CAS-BOT-BC271496  Anisocarpus madioides Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC34553  Anisocarpus madioides Chesnut and Drew 1888-7-10 Humboldt Jarnigans Comment
  UC89528  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC1222874  Antennaria suffrutescens Joseph P. Tracy 1947-7-9 17864 Humboldt Horse Mountain 1432 Comment
  UCR48595  Anthemis cotula R. D. Goeden, Don W. Ricker 1987-9-2 870902- 13 Humboldt Loleta, along Cannibal Road 8 Comment
  BLMAR361  Anthemis cotula Jennifer Anthony-Wheeler 2003-5-21 361 Humboldt South Spit, Disturbed area on west side of road 9 Comment
  HSC10101  Anthoxanthum occidentale L. H. Myers 1963-2-20 17 Humboldt W of Lanpheres Rd, Mad River slough area Comment
  HSC28090  Anthoxanthum occidentale J. D. Ackerman, A. M. Montalvo 1973-3-27 37 Humboldt 1.5 mi. N of Manila Comment
  HSC5263  Anthoxanthum occidentale John Warner Hosking 1966-8-5 Humboldt Fickle Hill Rd, 1 mi. E of Arcata. Comment
  CAS-BOT-BC137737  Anthoxanthum odoratum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC8937  Anthoxanthum odoratum S. R. Johnson 1965-4-16 37 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC8947  Anthoxanthum odoratum T. L. Ackerman 1964-4-12 34 Humboldt One mi. up a logging road N from an elementary school near Freshwater Corners Comment
  RSA33406  Antirrhinum vexillocalyculatum subsp. breweri Doris K. Kildale 1928-10-19 6953 Humboldt Miranda. Comment
  HSC77455  Aphanes occidentalis L. P. Janeway 1983-5-1 255 Humboldt North Spit (Samoa Peninsula). Sand dunes W of Samoa Rd and N of Coast Guard Station 6 Comment
  UC1400213  Apium graveolens Gary S. Lester 1973-12-2 60 Humboldt in the city of Arcata Arcata Comment
  HSC3199  Apocynum androsaemifolium H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  UC725497  Apocynum cannabinum A. A. Heller 1923-7-10 13794 Humboldt Eel R. between Scotia and Pepperwood; Eel R Comment
  SEINET12104677  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  SEINET12104678  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC46039  Aquilegia formosa var. formosa Catherine Chin 1978-5-5 52 Humboldt 5.1 mi. from Ferndale on Mattole Rd. Comment
  HSC97563  Aquilegia formosa var. formosa Cara Witte 2007-6-1 165 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1355 Comment
  HSC6523  Arabis glabra D. E. Anderson 1962-5-10 2206 Humboldt Lanphere Ranch. Comment
  HSC73782  Arabis glabra Gail Newton 1980-6-28 701 Humboldt Near Mad River Butte. 1536 Comment
  UC1198312  Arabis glabra Joseph P. Tracy 1947-7-5 17815 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC57454  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10279 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC70246  Arabis subpinnatifida M. A. Baker 1980-6-8 1912 Humboldt Near Buck Flat. 1554 Comment
  CAS-BOT-BC167259  Aralia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC31496  Arbutus menziesii Steve Selva, Roger Jensen 1974-8-27 87 Humboldt Hwy 299 ca. 1.0 mi. E of Blue Lake Comment
  HSC60008  Arbutus menziesii M. A. Baker 1977-5-8 259 Humboldt Gray's Falls Comment
  OBI33237  Arbutus menziesii David J. Keil 1983-7-1 17263 Humboldt Ca. 8 mi W of jctn US 101 along Bull Creek Flats rd Comment
  UC1196882  Arbutus menziesii Joseph P. Tracy 1941-3-26 16847 Humboldt w of mouth of South Fork Trinity River 457 Comment
  UC154180  Arbutus menziesii P. E. Goddard 1901-7-12 65 Humboldt Hupa Valley Comment
  UC1182190  Arctostaphylos J. A. Delapp 1959-10-7 57 Humboldt 5 3/4 mi ne Schoolits Peak (Wiregrass Prairie, Plot V1); Quad 11 C-1 853 Comment
  JEPS46253  Arctostaphylos canescens A. E. Wieslander 1928-7-18 Humboldt near Hupa Valley Comment
  UCD50523  Arctostaphylos canescens Roman Gankin 1965-8-5 543 Humboldt Top of Chimisal Mountain west of Wailaki Recreation Area, Bureau of Land Management. Comment
  CAS-BOT-BC23770  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. betwwn Shelter Cove and Kenny Comment
  CAS-BOT-BC23798  Arctostaphylos columbiana H. E. Parks 1931-3-25 0917 Humboldt Near Patrick's point Comment
  HSC62325  Arctostaphylos columbiana Ruby Van Deventer 1959-2-28 Humboldt Patrick's Point on Coastal Bluff Comment
  HSC7722  Arctostaphylos columbiana H. E. Parks Feb 1934 4774 Humboldt Spruce Cove, Trinidad Comment
  UC1225897  Arctostaphylos columbiana Joseph P. Tracy 1945-3-30 17496 Humboldt in area known as Rick's Prairie Eureka 45 Comment
  UC726576  Arctostaphylos columbiana A. A. Heller 1937-6-12 15918 Humboldt along road paralleling the ocean Bishop Pine Lodge (3 mi n of Trinidad) Comment
  RSA134600  Arctostaphylos columbiana var. columbiana P. C. Everett, E. K. Balls, George B. Everett 1959-10-25 23965 Humboldt 8.8 mi. NE from Blue Lake, U.S. Hwy, 299, Arcata to Willow Creek. 274 Comment
  RSA293169  Arctostaphylos columbiana var. columbiana Thomas W. Nelson, James Nelson, A. Nelson 1976-3-11 2267 Humboldt Beside old highway 101 along north side of Table Bluff. Comment
  RSA47120  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1925-12-27 1453 Humboldt Kneeland Comment
  CHSC85572  Arctostaphylos glandulosa L. P. Janeway 2003-7-30 7948 Humboldt High North Coast Ranges. Along Friday Ridge Road, at south end of Friday Ridge, 1.0 km (air) east-southeast of Friday Camp. Roadside. 1359 Comment
  UC585934  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1934-7-9 13330 Humboldt 5 mi s Harris (on road towards Bell Springs); North Coast Ranges 762 Comment
  HSC101663  Arctostaphylos glandulosa var. cushingiana J. P. Smith, J. O. Sawyer 2011-4-23 13124 Humboldt Kings Peak Road near Shelter Cove. 523 Comment
  RSA632800  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27771 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  RSA632807  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27790 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  UCD52079  Arctostaphylos manzanita Harold E. Parks; Joseph P. Tracy 1936-5-16 11304 Humboldt Near Gasquet; mountain slopes; north side of Middle Fork of Smith River; on old Gasquet Toll Road. 609 Comment
  CAS-BOT-BC24369  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1937-4-3 15247 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC38836  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1926-9-15 s.n. Humboldt Junction, South fork of the Trinity and Trinity River Comment
  HSC102094  Arctostaphylos nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 997 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC7779  Arctostaphylos nevadensis D. E. Anderson 1965-6-1 3759 Humboldt Horse Mountain, S facing slope 1220 Comment
  SEINET11988227  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1981-1 4326 Humboldt Regional Parks Botanic Garden, Berkeley, orig. from French Camp Comment
  HSC98798  Arctostaphylos nevadensis subsp. nevadensis Cara Witte 2008-6-4 684 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1232 Comment
  HSC70990  Arctostaphylos patula Gail Newton 1980-7-15 1577 Humboldt Near Sims Mtn. 1311 Comment
  JEPS38935  Arctostaphylos patula Joseph P. Tracy 1935-7-14 14063 Humboldt Horse Mountain 1432 Comment
  SEINET2028710 Image available Arctostaphylos tracyi H. E. Parks 1931-3-25 0917 Humboldt Near Patrick's Point Comment
  CAS-BOT-BC46793  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17504 Humboldt Eureka 45 Comment
  HSC71372  Arctostaphylos uva-ursi J. P. Smith 1971-10-6 4971 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC180220  Arctostaphylos uva-ursi Joseph P. Tracy 1914-8-30 4594 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  SEINET11984848  Arctostaphylos uva-ursi Unknown 1965-1 555 Humboldt 1.3 mi S of Samoa, Samoa Peninsula Comment
  UCD52156  Arctostaphylos uva-ursi var. coactilis Linda M. Barker 1976-4-13 1379 Humboldt Coastal forest and dunes 3 miles west of Arcata, Humboldt Co., California. Comment
  HSC100936  Arenaria douglasii Miss Handy Jun 1886 338 Humboldt Dry hills, Maple Cr. Comment
  RSA86727  Aristida oligantha Joseph P. Tracy 1933-8-27 13000 Humboldt Robertsons Ranch, vicinity of Garberville. 305 Comment
  HSC46207  Arnica cernua Thomas W. Nelson 1977-6-15 3435 Humboldt Horse Mtn.; along USFS Rd. 5N10 about 100 m south of junction with USFS Rd. 6N01 Comment
  HSC49992  Arnica cernua M. A. Baker 1979-6-7 791 Humboldt 1250 Comment
  UC1199254  Arnica cernua Joseph P. Tracy 1926-6-20 7625 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC129315  Arnica cernua Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5645 Humboldt Hoopa Mt. Comment
  UC34161  Arnica discoidea Chesnut and Drew 1888-7-21 Humboldt S. Fork Mt. Comment
  HSC33626  Arnica discoidea Thomas W. Nelson, Jane P. Nelson 1976-6-15 2730 Humboldt Growing on FS road N of Alder Springs 1524 Comment
  HSC49998  Arnica discoidea M. A. Baker 1979-6-7 790 Humboldt W slope of Snow Mtn. 762 Comment
  UC1199250  Arnica discoidea Joseph P. Tracy 1919-5-31 5170 Humboldt near, at w side of Trinity River Willow Creek; Trinity River 182 Comment
  HSC58598  Arnica latifolia G. L. Clifton, Griswold 1979-7-25 10755 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC129438  Arnica latifolia Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5754 Humboldt Trinity Summit Comment
  JEPS20976  Arnica latifolia Mrs. L. B. Kildale 1926-4-25 Humboldt Sugar Bowl Mt. Trinity River, Sugar Bowl Mt. 457 Comment
  CDA18244  Arrhenatherum elatius G. D. Barbe, T. C. Fuller 1974-6-19 1882 Humboldt North Coast Ranges; Arcata, US Hwy 101 at Saint Louis Rd. 12 Comment
  JEPS37048  Artemisia dracunculus W. L. Jepson 1932-7-28 16437 Humboldt Dyerville Comment
  CAS-BOT-BC93860  Artemisia dracunculus A. A. Heller 1924-7-20 I 3865 Humboldt In sand along the Eel River at Phillipsville Comment
  JEPS36984  Artemisia dracunculus W. L. Jepson 1936-8-12 17877 Humboldt second terrace of the river South Fork Eel River, Philipsville Comment
  HSC98912  Artemisia ludoviciana subsp. ludoviciana Cara Witte 2008-8-16 1022 Humboldt Forest Service Road 5N10. 1/4 mile east of intersection with National Forest 1. 1359 Comment
  HSC40298  Artemisia pycnocephala Linda M. Barker 1976-7-5 1633 Humboldt 3 mi. W of Arcata. Comment
  SEINET198593  Artemisia pycnocephala H. E. Parks, S. T. Parks Jun 1952 24495 Humboldt Samoa Comment
  SEINET4343124  Artemisia tridentata subsp. wyomingensis Leila M. Shultz, John S. Shultz 1987-9-17 10750 Humboldt South of I-80, mile post 200 Comment
  JEPS45625  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  UC154045  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  CHSC1538  Aruncus dioicus var. pubescens 1936-6-15 Humboldt This specimen collected at siltcoos Lake in Oregon. Comment
Read comments
Jan 8 2007
  CAS-BOT-BC400529  Asarum caudatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  CAS-BOT-BC400535  Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  POM92404  Asarum caudatum L. R. Abrams 1922-6-25 s.n. Humboldt North of Mad River near Arcata Comment
  HSC56479  Asarum hartwegii Griswold, Butler 1979-7-12 7310 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC65862  Asarum hartwegii Gail Newton 1980-7-22 1698 Humboldt Near Devils Backbone 1545 Comment
  UC162718  Asclepias cordifolia Joseph P. Tracy 1911-7-9 3477 Humboldt near Willow Creek (hill slopes at w side of river); Northern Coast Ranges, Trinity River 182 Comment
  POM89846  Asclepias speciosa Chesnut, E. R. Drew 1888-7-22 s.n. Humboldt [Unspecified] Comment
  HSC1050  Aspidotis densa Francis Winter 1960-4-24 Humboldt 8 mi. NE of Redwood Creek Ranch 610 Comment
  HSC55067  Aspidotis densa G. L. Clifton, Griswold 1979-7-31 11647 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC44044  Aspidotis densa Thomas W. Nelson, Jane Nelson 1977-7-4 3599 Humboldt Along old trail N of Alder Spring 1555 Comment
  SEINET11852839  Aster chilensis J. P. Tracy 1950-1 19362 Humboldt Cape Ridge, 0.5 mi S of Capetown, along coast road, 1 i inland from Cape Mendocino 200 Comment
  CAS-BOT-BC27578  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt 4 miles S of Miranda Comment
  CHSC70008  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Road. 500 Comment
  UC502991 Image available Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten & Pierce Ranch) 762 Comment
  JEPS22950  Astragalus rattanii var. rattanii Volney Rattan 1873-3 Humboldt Big Creek Comment
  RSA475237  Astragalus rattanii var. rattanii Aaron Liston, Sara Meury 1988-5-29 746 -1 Humboldt Grizzly Creek Redwoods State Park; banks of Van Duzen River. 150 Comment
  UCD66898  Asyneuma prenanthoides Esther Perry 1930-7-11 Humboldt Humboldt State Park. Comment
  HSC44050  Athyrium filix-femina var. cyclosorum Thomas W. Nelson, Jane Nelson 1977-6-19 3493 Humboldt Above Alder Springs, N of pond 1585 Comment
  HSC101991  Athysanus pusillus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 890 Humboldt Patterson Meadows 1566 Comment
  HSC26349  Atriplex patula T. O. Osborne 1970-6-19 74 Humboldt Flat-Iron Rock, 3/4 mi. NW Trinidad Light. Comment
  UC1191297  Atriplex patula Malcolm A. Nobs, S. Galen Smith 1949-8-11 1341 Humboldt eastern shore Stone Lagoon; eastern shore Stone Lagoon Comment
  SEINET200927  Avena fatua J. P. Tracy 1916-5-31 4703 Humboldt Stitz Creek. Along Eel River between SOuth Fork and Scotia 61 Comment
  UC34069  Avena fatua J. P. Tracy 1901-6-23 1177 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC5125  Baccharis douglasii Jerry Parker 1968-10-31 225 Humboldt South of Vista Point Comment
  HSC99112  Barbarea verna Cara Witte 2008-7-16 903 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile S of intersection with National Forest 1. 1409 Comment
  CAS-BOT-BC145785  Beckmannia syzigachne Joseph P. Tracy 1935-5-25 13848 Humboldt Fort Seward. 106 Comment
  HSC5189  Bellis perennis John A. Dubois 1962-5-23 20 Humboldt 20 miles East of Arcata Comment
  JEPS26215  Bensoniella oregona Joseph P. Tracy 1923-6-24 6363 Humboldt Bald Mountain in meadow near High Prairie; Northern Coast Ranges, Bald Mountain, nr High Prairie 1066 Comment
  UC1222393  Bensoniella oregona Joseph P. Tracy 1951-6-14 19416 Humboldt e side Snow Camp Meadows; e side of Snow Camp Meadows Comment
  HSC40989  Berberis aquifolium Thomas W. Nelson 1976-6-14 2704 Humboldt Along ridge S of E peak of Lassic Peak 1646 Comment
  UC1198387  Berberis aquifolium Joseph P. Tracy 1940-8-25 16711 Humboldt High Prairie Bald Mt 1066 Comment
  UC1198384  Berberis aquifolium var. aquifolium Joseph P. Tracy 1948-9-5 18186 Humboldt on ridge 2 mi e Grove's Prairie (3 mi s of Grizzly Camp) 1524 Comment
  CAS-BOT-BC75678  Berberis nervosa Doris K. Kildale 1926-11-25 2827 Humboldt Lord-Ellis road. Comment
  SDSU13768  Berberis nervosa D. F. Howe 1963-5-26 3555 Humboldt 3.2 miles east of Orick on Bald Hill Road. 457 Comment
  CAS-BOT-BC75799  Berberis pinnata Doris K. Kildale 1927-3-6 3001 Humboldt McDowell Butte. 914 Comment
  CAS-BOT-BC15786  Boechera acutina Thomas Nelson 1979-7-11 5028 Humboldt Along trail from Grogan's Hole to North Trinity Mountain from Grogan's Hole to summit. Comment
  RSA182022  Boisduvalia densiflora var. densiflora Joseph P. Tracy 1918-7-5 5020 Humboldt White Thorn Valley. 305 Comment
  UCD140029  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1998-6-25 851 Humboldt Route 101 milemarker 81.60. East side of highway. 2 Comment
  UC1198853  Boykinia occidentalis Joseph P. Tracy 1927-6-19 8191 Humboldt Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  CAS-BOT-BC420256  Boykinia occidentalis Henry M. Pollard 1948-7-23 s.n. Humboldt Perch Creek canyon, near Orleans Comment
  HSC37929  Brassica nigra Peter Sorensen 1976-6-14 Humboldt North Spit Comment
  HSC23805  Brassica nigra R. A. Vanbianchi 1971-9-10 78 Humboldt Junction of Fieldbrook Rd. and old Hwy. 299 Comment
  UCR104577  Brassica rapa A. R. Alexander 1998-4-9 8 Humboldt US Highway 101 and Giuntoli Lane, near shopping center, Arcata 152 Comment
  HSC64122  Brassica rapa J. P. Smith 1973-5-26 6790 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC32526  Brickellia californica Thomas W. Nelson 1973-9-3 1135 Humboldt McKeown Ranch N of Dinsmore Comment
  CHSC20341  Briza maxima D. E. Anderson 1965-5-8 3626 Humboldt About 1 mile east of Blue Lake on Hw. 299. Comment
  CHSC2124  Briza maxima M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  HSC33766  Briza maxima John S. Palmer 1975-5-24 368 Humboldt Off Samoa Blvd., across from boat landing Comment
  HSC83441  Briza maxima R. N. Raynor 1935-5-22 Humboldt Ft. Seward Comment
  RSA249403  Briza maxima J. D. Ackerman 1974-5-26 268 Humboldt ca. 1 mile south of Trinidad on Scenic Drive. Near coastal bluffs. Comment
  SEINET14395468  Briza maxima K. W. Parker 1931-5-15 1003 Humboldt 2 mi N of Blocksburg Comment
  UCD57397  Briza minor A. H. Murphy 1951-4-18 14 Humboldt Tooby and Prior Ranch. 2 miles south of Blocksburg. Comment
  HSC35619  Brodiaea elegans subsp. elegans Thomas W. Nelson, B. Reinhardt 1975-7-30 2114 Humboldt E of Pilot Rock Comment
  JEPS512  Brodiaea stellaris Joseph P. Tracy 1928-6-24 8474 Humboldt at head Middle Yager Creek (grassy flat); East's Ranch 762 Comment
  BLMAR554  Brodiaea terrestris Jennifer Wheeler 2004-5-20 554 Humboldt Stornetta Ranch Comment
Read comments
Apr 21 2014
  UC1222694  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1950-6-15 18771 Humboldt between Pepperwood and Dyerville (Englewood Prairie); Englewood Comment
  UC1103281  Bromus carinatus var. carinatus Joseph P. Tracy 1941-6-15 16910 Humboldt Wilder Ridge 609 Comment
  UC526931  Bromus commutatus Joseph P. Tracy 1933-6-9 12534 Humboldt North Coast Ranges, on Eel River, Shively Shively; North Coast Ranges, Eel River, Shively 30 Comment
  UC34065  Bromus hordeaceus J. P. Tracy 1901-6-16 1146 Humboldt immediate vicinity of Eureka 0 Comment
  JEPS85494  Bromus laevipes L. R. Heckard with T. I. Chuang 1968-7-5 1984 Humboldt 4.3 mi n of Harris Road (Mail Ridge Road); Mail Ridge Road Comment
  RSA152301  Bromus sterilis Joseph P. Tracy 1950-6-15 18776 Humboldt Mail Ridge. North of Harris 5 miles. 945 Comment
  HSC54214  Bromus tectorum Griswold, Butler 1979-7-12 7264 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  CAS-BOT-BC185516  Bromus vulgaris Harley P. Chandler 1901-5-1 1177 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  HSC75287  Bromus vulgaris J. O. Sawyer, M. A. Ericksen 1980-8-18 4059 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  CHSC10120  Cakile maritima J. W. Johnson 1962-4-29 1299 Humboldt Arcata. W.M. Lanphere Farm, Samoa Peninsula. Comment
  CHSC10127  Cakile maritima J. W. Johnson 1961-11-29 1415 Humboldt Arcata. At the end of ridge 3, Christenson Farm, Samoa Peninsula. Comment
  HSC95096  Cakile maritima Andrea Pickart 2002-7-2 150 Humboldt King Salmon Sand Spit 0 Comment
  UC1222658  Cakile maritima Joseph P. Tracy 1950-6-8 18753 Humboldt Cape Mendocino, south of point of the Cape Cape Mendocino 3 Comment
  CAS-BOT-BC185316  Calamagrostis foliosa Joseph P. Tracy 1936-6-9 14899 Humboldt Bank of Mattole River at bridge 3 miles east of Petrolia. 30 Comment
  HSC74073  Calamagrostis foliosa Joyce Walker 1980-8-15 Humboldt Fiddle Prairie 829 Comment
  UC1103290  Calamagrostis koelerioides Joseph P. Tracy 1934-7-18 13408 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC673026  Calandrinia ciliata Joseph P. Tracy 1933-7-3 12638 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1198378  Calandrinia ciliata Joseph P. Tracy 1909-5-30 2979 Humboldt along railroad in Ryan's Slough; Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC1198380  Calandrinia ciliata Joseph P. Tracy 1933-5-28 12405 Humboldt Ocean View Cemetary Eureka 15 Comment
  UCR196002  Callitriche heterophylla subsp. bolanderi R. F. Thorne, Percy C. Everett 1965-8-9 35323 Humboldt Northwestern; Outer North Coastal region, Clam Beach County Park, along highway 3 Comment
  HSC57042  Calocedrus decurrens Overton, Butler 1979-7-24 9685 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  OBI7411  Calocedrus decurrens H. E. McMinn July1922 278 Humboldt 1 mi E of Dinsmore Comment
  SEINET4152158  Calochortus amabilis Unknown 1914-5-14 4422 Humboldt Fort Seward 122 Comment
  UC1197681  Calochortus amabilis Joseph P. Tracy 1935-5-25 13895 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC488452  Calochortus amabilis Elizabeth Parsons Hawver 1915-6-1 n.s. Humboldt Carlotto Comment
  UC535782  Calochortus amabilis Eleanor Armstrong 1934-5-25 Humboldt n of Redway Comment
  UC1197689  Calochortus luteus Joseph P. Tracy 1912-7-31 3891 Humboldt nw slope Buck Mountain; Northern Coast Ranges, , Burr Valley 1066 Comment
  HSC102535  Calochortus tolmiei M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1521 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  CAS-BOT-BC494364  Calochortus tolmiei Joseph P. Tracy 1917-5-30 4813 Humboldt Sand dunes west of Dows Prairie 15 Comment
  UC1197690  Calochortus vestae Joseph P. Tracy 1918-6-16 4953 Humboldt Eureka Northern Coast Ranges Comment
  SEINET12054002  Calochortus vestae J. P. Tracy 1950-1 18868 Humboldt Dobbyn Creek, 3 mi NE of Alderpoint 152 Comment
  HSC103109  Caltha leptosepala M. Mesler 2010-7-15 832 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  HSC75826  Caltha leptosepala Bill Copeland 1980-6-26 323 Humboldt Near Snow Camp Lake 1372 Comment
  CAS-BOT-BC273314  Calycadenia fremontii Doris K. Kildale 1925-7-5 1006 Humboldt Willow Creek Flat 152 Comment
  UC34627  Calycadenia fremontii Chesnut and Drew 1888-7-24 Humboldt Hy-Am-Pim Comment
  UC405439  Calycadenia fremontii Chesnut and Drew 1888-8-1 Humboldt Lionse Creek Comment
  UC34174  Calycadenia truncata Harley P. Chandler 1901-6-1 1492 Humboldt Klamath River 426 Comment
  RSA183504  Calypso bulbosa D. E. Anderson 1965-5-15 3683 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  HSC48948  Calypso bulbosa M. A. Baker 1979-5-17 732 Humboldt On FS 1 along Wilson Creek, just E of FS 15N01 Comment
  SEINET12076826  Calypso bulbosa Unknown 1977-1 Humboldt Comment
  UCD138886  Calypso bulbosa var. occidentalis Linda M. Barker 1976-3-22 1347 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  SEINET12343669  Calystegia occidentalis L. K. Henry 1971-7-6 Humboldt Along Rt 36, 2 mi E of Dinsmore, in Six Rivers National Forest Comment
  HSC40013  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson, Jane Nelson 1976-7-1 2914 Humboldt N side of Mt. Lassic (Signal Peak) 1738 Comment
  CDA39887  Calystegia soldanella B. F. Kemp May 1958 1202 -58 Humboldt Mouth of Mad River. 0 Comment
  UC1173650  Camassia leichtlinii subsp. suksdorfii Joseph P. Tracy 1930-7-17 9000 Humboldt South Fork Mountain; in wet meadow at McKay Camp 1676 Comment
  UC1225829  Camassia quamash Joseph P. Tracy 1947-6-26 17743 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  UC302169  Camassia quamash Joseph P. Tracy 1925-7-5 7179 1/2 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC175286  Camassia quamash subsp. quamash Joseph P. Tracy 1913-6-17 4152 Humboldt Burr Valley on nw slope of Buck Mountain Burr Valley; Northern Coast Ranges, Buck Mountain, Burr Valley 1066 Comment
  HSC25217  Camissonia cheiranthifolia Norman Dennis 1965-6-8 104 Humboldt Samoa Peninsula along the W side of Humboldt Bay Comment
  POM72743  Camissonia cheiranthifolia subsp. cheiranthifolia P. A. Munz 1925-6-20 9891 Humboldt Clam Beach, 14 miles north of Eureka Comment
  RSA186809  Camissonia cheiranthifolia subsp. cheiranthifolia T. Mosquin, L. Mosquin 1962-7-19 4489 Humboldt 8.8 miles north of Big Lagoon along U.S. Highwy 101 to Oregon Comment
  RSA245215  Camissonia cheiranthifolia subsp. cheiranthifolia T. M. Mingo 1965-05 s.n. Humboldt Clam Beach Comment
  JEPS31757  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1923-8-4 183 Humboldt about 2 mi n Big Lagoon (on sand bar); Stone Lagoon Comment
  JEPS11848  Campanula prenanthoides Joseph P. Tracy 1934-8-23 13600 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  SEINET10462972  Campanula prenanthoides Overton 1979-8-2 OVERTON 12621 Humboldt Near Grogan Hole, on the Salmon Mountain quad., close to the town of Hoopa 1554 Comment
  POM284844  Campanula prenanthoides Lyman Benson 1928-7-9 380 Humboldt Weott Ranger Station. Seaward N coast. Watershed- South Fork Eel Rivers. 61 Comment
  SEINET10462889  Campanula prenanthoides LeRoy R. Abrams 1918-6-16 Abrams 7184 Humboldt WILLOW CREEK, LOWER EDGE OF TRANSITION ZONE Comment
  SEINET10462986  Campanula prenanthoides Ira L. Wiggins 1930-7-22 Wiggins 4690 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  SEINET10463219  Campanula prenanthoides Shields 1955-8-5 SHIELDS s.n. Humboldt 3 MI NW OF WEOTT, MOIST HILLSIDE Comment
  UC583020  Campanula prenanthoides P. A. Munz 1936-8-10 14338 Humboldt 15 mi e Bridgeville; Little Van Duzen River Comment
  UC1199206  Cardamine breweri J. P. Tracy 1901-3-31 997 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC37428  Cardamine californica John Thomas Howell 1954-4-24 29152 Humboldt Bull Creek Flat. Comment
  HSC6689  Cardamine californica E. W. Styskel 1963-4-20 16 Humboldt 3 mi SE of Korbel on Snow Camp Rd. 290 Comment
  UC668052  Cardamine californica Joseph P. Tracy 1937-3-21 15233 Humboldt 2 mi w. Bridgeville 198 Comment
  UC30033  Cardamine californica W. C. Blasdale 1896-6-9 Humboldt Fitzgeralds Comment
  POM214829  Cardamine californica var. integrifolia Victor Duran 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville. Comment
  RSA10948  Cardamine californica var. sinuata Victor Duran 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville. Comment
  HSC104050  Cardamine nuttallii E. R. Fyer 2015-3-19 5 Humboldt Six Rivers National Forest; along the East Fork of Willow Creek, off Hwy. 299. 505 Comment
  HSC28134  Cardamine oligosperma J. D. Ackerman, A. M. Montalvo 1973-4-29 46 Humboldt 3 mi. E of Kneeland 500 Comment
  HSC90418  Cardamine oligosperma Jean Hanson 1980-3-8 27 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC100460  Cardamine paucisecta Carl C. Marshall Mar 1886 154 Humboldt Everywhere. Comment
  HSC39963  Cardionema ramosissimum Linda M. Barker 1976-4-13 1386 Humboldt 3 mi. W of Arcata Comment
  SEINET11861099  Carduus pycnocephalus J. P. Tracy 1947-6-8 17703 Humboldt 0.5 mi W of town, vicinity of Carlotta 30 Comment
  HSC97167  Carex abrupta Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 12 Humboldt 1 mi. east of Hwy. 299 on Forest Service Road NF1; Grouse Mountain Meadow 1585 Comment
  UC1222466  Carex amplifolia Joseph P. Tracy 1948-9-5 18193 Humboldt less than one mile s Grizzly Camp (head of Little Hors-Linto Creek); Trinity Summit, Little Hors-Linto Creek 1341 Comment
  UC1152063  Carex angustata Joseph P. Tracy 1950-7-6 18988 Humboldt lower end of Burr Valley on nw slope of Buck Mountain Burr Valley, Buck Mountain 1066 Comment
  UC562629  Carex athrostachya Joseph P. Tracy 1935-7-23 14140 Humboldt Trinity summit, Corral Prairie Comment
  CHSC106520  Carex bolanderi Peter F. Zika 2009-6-15 24487 Humboldt North Coast (Nco). Near Hatchery Road , S of town of Blue Lake, riparian zone on S bank of Mad River. 20 Comment
  HSC48136  Carex bolanderi D. H. Norris 1971-7-17 19599 Humboldt Along Redwood House Rd., 4 mi. W of intersection with Kneeland-Bridgeville Rd. Comment
  RSA88693  Carex bolanderi F. W. Peirson 1932-7-7 10261 Humboldt Willow Creek, a few miles above the town of that name. Comment
  SEINET7552610 Image available Carex bolanderi David Castaner 1989-6-19 10248 b Humboldt Fern Canyon. Comment
  UC1103102  Carex bolanderi Joseph P. Tracy 1926-6-6 7574 Humboldt Hoopa Mountain, near summit on road W from Hoopa to Bair's 1066 Comment
  CHSC23306  Carex buxbaumii Robert F. Thorne; P. Everett 1965-8-9 35293 Humboldt Big Lagoon. 3 Comment
  HSC71669  Carex concinnoides Gail Newton 1980-6-16 200 Humboldt Near Onion Mtn. 1280 Comment
  RSA293172  Carex densa Thomas W. Nelson, Ken Hindley 1978-5-28 4086 Humboldt On McKeown Ranch north of Dinsmore. 762 Comment
  UC303071  Carex densa Joseph P. Tracy 1912-7-31 3906 Humboldt on nw slope of Buck Mountain Northern Coast Ranges, Burr Valley, Buck Mountain 1066 Comment
  UC562256  Carex densa Joseph P. Tracy 1936-6-17 14953 Humboldt Buck Mountain, lower foothills of its northwest slope Northern Coast Ranges 762 Comment
  CAS-BOT-BC20079  Carex echinata Joseph Prince Tracy 1933-7-25 12845 Humboldt Northern Coast Ranges. Grouse Mountain. 1524 Comment
  JEPS25978  Carex echinata subsp. echinata Joseph P. Tracy 1932-7-14 10567 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC19966  Carex exsiccata Joseph Prince Tracy 1934-8-14 13574 Humboldt North Coast Ranges. Alton; Along Van Duzen River. 30 Comment
  CAS-BOT-BC21280  Carex fracta Joseph Prince Tracy 1937-7-25 15542 Humboldt Trinity Summit. Head of Hors-Linto Creek. 1371 Comment
  UC1103061  Carex globosa Joseph P. Tracy 1939-4-25 16224 Humboldt mouth of creek Bull Creek 60 Comment
  JEPS25999  Carex gracilior Joseph P. Tracy 1936-5-29 14826 Humboldt on ridge e Orick; Gans Prairie 548 Comment
  CAS-BOT-BC146591  Carex gynodynama H. D. Ripley; R. C. Barneby 1945-6-16 6812 Humboldt 2.5 miles N. of Miranda Comment
  CAS-BOT-BC146619  Carex gynodynama Alice Eastwood; John Thomas Howell 1937-6-22 4750 Humboldt 8 1/2 miles from Blocksburg on road to Bridgeville Comment
  CAS-BOT-BC22320  Carex harfordii Joseph Prince Tracy 1935-6-8 13938 Humboldt Eureka. 60 Comment
  SEINET7561246 Image available Carex harfordii Andrew L. Hipp 1999-5-31 456 Humboldt Alder Point, Alder Pt Road ca 3 mi S of Alder Pt. 503 Comment
  CAS-BOT-BC21751  Carex hassei Joseph Prince Tracy 1927-4-23 7917 Humboldt Big Lagoon. 6 Comment
  CAS-BOT-BC21021  Carex hendersonii W. R. Dudley 1899-6-19 s.n. Humboldt Scotia. Comment
  CHSC43908  Carex hendersonii L. P. Janeway 1984-5-27 836 Humboldt Ca 1 mi east of Redway, along Redwood Cr. 91 Comment
  UC50824  Carex hendersonii J. P. Tracy 1900-5-28 811 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC21017  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at south fork of the Eel River. Comment
  CAS-BOT-BC35564  Carex jonesii Joseph Prince Tracy 1935-7-26 14257 Humboldt Trinity Summit, Meadows at Water Dog Lakes 1828 Comment
  CAS-BOT-BC35565  Carex jonesii Joseph Prince Tracy 1932-7-15 10572 Humboldt Trinity Summit, at Corral Prairie 1584 Comment
  CAS-BOT-BC7793  Carex laeviculmis Joseph Prince Tracy 1932-7-16 10635 Humboldt Trinity Summit 1584 Comment
  HSC76798  Carex leptopoda L. P. Janeway 1982-6-16 8 Humboldt Near small tributary to Jolly Giant Creek below Arcata High school 9 Comment
  HSC102233  Carex luzulina M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1155 Humboldt Patterson Meadows 1555 Comment
  HSC58794  Carex luzulina Overton, Butler 1979-7-31 11460 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC562437  Carex luzulina var. ablata Joseph P. Tracy 1932-7-14 10560 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1982417  Carex mariposana Barbara Wilson, Richard Brainerd, Susan Erwin, Christine Jordan and Mike Friend 2003-6-20 10950 Humboldt Sundew Meadow on South Fork Mountain, on Shasta-Trinity National Forest road 3N32. Comment
  UC303015  Carex mendocinensis Joseph P. Tracy 1926-6-20 7632 Humboldt Northern Coast Ranges. Horse Mountain. Comment
  UCR246355  Carex mendocinensis Peter F. Zika 2011-7-3 25496 Humboldt Outer North Coast Ranges (NCoRo), Titlow Hill Road, 3.7 road miles SE of Route 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  HSC102153  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1061 Humboldt Patterson Meadows 1555 Comment
  HSC103071  Carex microptera Sydney Carothers 2014-6-12 10 Humboldt Six Rivers National Forest, Lassics Botanical Area, Red Lassic. Near upper pond and rustic camp site. 1706 Comment
  CAS-BOT-BC32132  Carex multicaulis Joseph Prince Tracy 1942-6-2 17105 Humboldt Valley of South Yager Creek. 762 Comment
  HSC70323  Carex multicaulis M. A. Baker 1980-6-7 1875 Humboldt Near Ammon Creek 732 Comment
  UC562260  Carex multicaulis Joseph P. Tracy 1927-3-27 7862 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC562666  Carex multicostata Joseph P. Tracy 1935-5-25 13865 Humboldt Fort Seward 106 Comment
  UC1142  Carex nudata Harley P. Chandler May 1901 1235 Humboldt redwood belt North Coast Ranges 91 Comment
  HSC44411  Carex nudata Thomas W. Nelson, Jane P. Nelson 1977-5-30 3407 Humboldt Mad River at Andersons Ford N of Dinsmore on the McKeown Ranch 610 Comment
  SEINET3905221  Carex nudata L. P. Janeway 1983-7-23 434 Humboldt Arcata North quad, along north edge of Mad River, near junction of North Bank Road and Hunts Drive.; 0 Comment
  CHSC84722  Carex obnupta L. P. Janeway 2003-7-27 7925 Humboldt North Coast. Edge of marsh on south side of southwest end of Hwy 101 causeway across Big Lagoon. 2 Comment
  CHSC88893  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
  HSC40258  Carex obnupta Linda M. Barker 1976-4-30 1417 Humboldt 3 mi. W of Arcata Comment
  HSC7071  Carex obnupta J. W. Johnson 1961-9-3 1081 Humboldt Arcata, Christenson Farm, Samoa Peninsula Comment
  SDSU11682  Carex obnupta D. F. Howe 1961-8-1 Humboldt 3 miles north of Arcata on #101 Comment
  JEPS80017  Carex obnupta Joseph P. Tracy 1912-6-16 3702 Humboldt adjacent to salt marsh, Hookton Northern Coast Region, Humboldt Bay, Hookton 0 Comment
  UC249734  Carex obnupta Joseph P. Tracy 1923-9-2 6541 Humboldt McClellan Mt. Northern Coast Ranges 914 Comment
  UC562319  Carex obnupta Joseph P. Tracy 1934-7-13 13381 Humboldt North Coast Ranges, Arcata Bottom Arcata Bottom; North Coast Ranges, Arcata Bottom 15 Comment
  HSC65948  Carex ovalis M. A. Baker 1980-7-19 2991 Humboldt Near Bret Hole. 1814 Comment
  CHSC107145  Carex pachycarpa R. E. Brainerd 2009-7-23 1570 Humboldt Coast Range, South Fork Mountain; headwaters of Kerlin Creek; 19.6 air miles west-northwest of Hayfork; Forest Service Road 3N32. UTM zone 10 453507E 4494866N. 1716 Comment
  CAS-BOT-BC119227  Carex pachystachya Joseph Prince Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  UC201994  Carex pachystachya Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  CAS-BOT-BC119221  Carex pachystachya Harold Ernest Parks; Joseph Prince Tracy 1935-6-16 11271 Humboldt Buck Mt. Lower NW slope. 792 Comment
  HSC45474  Carex pachystachya Thomas W. Nelson, Jane P. Nelson 1978-7-2 4409 Humboldt Along road to Lost Lake, branch off FS 2S08 near Pine Mtn. 1433 Comment
  HSC48037  Carex pachystachya D. H. Norris 1972-6-26 22971 Humboldt Along Grouse Mtn. Rd. about 3 mi. from intersection with Horse Mtn. Rd. Comment
  HSC98935  Carex pachystachya Cara Witte 2007-7-8 444 Humboldt Board Camp Mountain. Trail 4E28. 1496 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
  UC2015859  Carex pellita Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4346 Humboldt Coast Range, Burr Valley area. 'False Burr Valley', beside Burr Creek. Comment
  CAS-BOT-BC28309  Carex scopulorum var. bracteosa Joseph Prince Tracy 1932-7-14 10562 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  HSC71729  Carex serratodens M. A. Baker 1980-6-26 2452 Humboldt Near Sims Creek 610 Comment
  JEPS80022  Carex serratodens Joseph P. Tracy 1926-6-27 7692 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1219 Comment
  CAS-BOT-BC116942  Carex subbracteata Joseph Prince Tracy 1935-7-27 14296 Humboldt Trinity Summit, open places at McKay Prairie. 1584 Comment
  CAS-BOT-BC116904  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-23 4808 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC116680  Carex subfusca Joseph Prince Tracy 1936-6-17 14954 Humboldt Buck Mountain, lower foothills of its NW slope. 762 Comment
  HSC48739  Carex subfusca Brad Klipfel 1973-6-10 64 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET3910196  Carex tracyi Thomas W. Nelson, Jane P. Nelson 1978-6-10 4418 Humboldt Eureka Quad. Second growth redwood forest behind Eureka Seventh Day Advent Church on F St.; 0 61 Comment
  UC562337  Carex tumulicola Joseph P. Tracy 1930-7-10 8859 Humboldt Brannan Mountain Northern Coast Ranges 1219 Comment
  UC1561802  Carex tumulicola Barbara Ertter with Thomas J. Delendick 1987-5-16 6926 Humboldt ca. 15 air mi e Arcata (on n side of road, Vista Point just w of Berry Summit on Hwy. 299) 914 Comment
  UC562650  Carex unilateralis Joseph P. Tracy 1930-6-15 8756 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC115535  Carex unilateralis Joseph Prince Tracy 1937-8-7 15618 Humboldt Bald Mountain. Wet place on Murphy Ridge. 914 Comment
  CAS-BOT-BC115538  Carex unilateralis Joseph Prince Tracy 1927-7-17 8276 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  SEINET7579342 Image available Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt Carlotta, by old Strong's School House, 5 miles east of town. 46 Comment
  UC1115821  Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt old Strong's District School House, 5 miles E of town 45 Comment
  JEPS79840  Carex vesicaria var. major Joseph P. Tracy 1934-7-13 13388 Humboldt Dow's Prairie 60 Comment
  UC1056035  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt Dry Lagoon Comment
  HSC26372  Carpobrotus chilensis T. O. Osborne 1970-9-16 37 Humboldt Trinidad Bay, Prisoner Rock Comment
  UC198585  Carpobrotus chilensis Joseph P. Tracy 1916-4-9 Humboldt n of Samoa (Ocean Beach at Humboldt Bay); Northern Coast Region, Humboldt Bay Comment
  SEINET12027436  Castanopsis chrysophylla J. P. Tracy 1950-1 19239 Humboldt Grouse Mtn 1524 Comment
  RSA47163  Castilleja affinis Doris K. Kildale 1927-1-17 2985 Humboldt Alton hill. Comment
  JEPS25802  Castilleja affinis subsp. litoralis L. R. Heckard 1960-8-31 1222 Humboldt Trinidad Head, near lighthouse Trinidad Head Comment
  HSC95751  Castilleja ambigua subsp. humboldtiensis Thomas W. Nelson, Jane P. Nelson 2004-4-20 9182 Humboldt At estuary to Elk River, SE of mouth 2 Comment
  UC199382  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  UC673218  Castilleja attenuata Lincoln Constance and Reed C. Rollins 1942-5-12 2891 Humboldt 1 mi s Orleans (Klamath River); Klamath-Siskiyou Region, Klamath River 121 Comment
  HSC49514  Castilleja exserta subsp. latifolia R. York 1979-5-18 292 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  HSC95071  Castilleja exserta subsp. latifolia Andrea Pickart 2002-7-2 148 Humboldt King Salmon Sand Spit 0 Comment
  UC582576  Castilleja foliolosa Joseph P. Tracy 1934-7-9 13329 Humboldt 5 mi s Harris; Mail Ridge 762 Comment
  HSC44563  Castilleja miniata Brad Klipfel 1973-7-15 183 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC244879  Castilleja miniata Mrs. H. C. Cantelow 1935-5-31 836 Humboldt 15 mi. N. of Orick Comment
  CAS-BOT-BC244882  Castilleja miniata E. A. McGregor 1921-8-8 s.n. Humboldt 3 miles up Klamath River Comment
  HSC71608  Castilleja pruinosa Gail Newton 1980-6-16 198 Humboldt Near Onion Mtn. 1280 Comment
  HSC73640  Castilleja pruinosa M. A. Baker 1980-7-23 3169 Humboldt Near Orleans Mtn. 1859 Comment
  HSC74464  Castilleja pruinosa M. A. Baker 1980-5-18 1362 Humboldt Near Black Mtn. 792 Comment
  UC1011934  Castilleja pruinosa F. W. Pennell and J. P. Tracy 1940-7-7 26091 Humboldt w of Salyer (Grouse Mountain); Grouse Mountain 1127 Comment
  UC1222828  Castilleja pruinosa Joseph P. Tracy 1950-7-2 18978 Humboldt below Grizzly Camp (at crossing of Little Hors Linto Creek); Little Hors Linto Creek Comment
  UC902245  Castilleja pruinosa Joseph P. Tracy 1947-7-5 17786 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  SEINET10582751  Castilleja wightii subsp. rubra Rimo Bacigalupi, Lawrence R. Heckard 1964-7-27 Bacigalupi 8962 Humboldt Shaded bend of road just (1/8 mile) above and east of Shelter Cove. On partly shaded n.-facing road bank. Comment
  HSC41300  Ceanothus arcuatus Brad Klipfel 1974-7-27 499 Humboldt Horse Mtn. Comment
  UC502951  Ceanothus cordulatus Joseph P. Tracy Jul 16 1930-Jul 19 1930 8952 Humboldt near Blake Lookout (South Fork Mt.); Northern Coast Ranges Comment
  CDA35561  Ceanothus cuneatus subsp. cuneatus Gordon Leppig 1998-6-1 877 Humboldt Horse Mountain. Titlow Hill Road. Comment
  CAS-BOT-BC49658  Ceanothus foliosus var. foliosus Fay A. Mac Fadden 1935-6-22 13698 Humboldt Near Squaw Creek, Cummings Comment
  HSC43236  Ceanothus gloriosus var. exaltatus R. Sutherland 1978-1-20 1 .20178 Humboldt Mattole River SSE of Nooning Creek 280 Comment
  UCD112167  Ceanothus incanus B. L. Kay 1955-4-10 s.n. Humboldt Wagner Ranch, 5 miles southwest of Garberville. Comment
  UC1198001  Ceanothus integerrimus Joseph P. Tracy 1921-6-21 5840 Humboldt near Langdon's Gopher Camp Brannon Mtn. 762 Comment
  UC166023  Ceanothus integerrimus Joseph P. Tracy 1911-7-7 3427 Humboldt ridge to n Willow Creek (between Willow and Campbell Creek, near summit.); Brannan Mtn., Northern Coast Ranges 1219 Comment
  HSC36679  Ceanothus parryi R. Sutherland 1975-5-2 11 .2575 Humboldt County rd. at S Fork Eeel River 95 Comment
  HSC37085  Ceanothus parryi R. Sutherland 1975-6-4 1 .4675 Humboldt Near county rd. 2 mi NE of Briceland 168 Comment
  CAS-BOT-BC52989  Ceanothus thyrsiflorus A. A. Heller 1923-7-9 13782 Humboldt On grassy slopes along the grade south of Eureka Comment
  CAS-BOT-BC52997  Ceanothus thyrsiflorus Harold Paul Olmo 1934-6-8 s.n. Humboldt 5 miles n. of Trinidad Comment
  CHSC19497  Ceanothus thyrsiflorus Norman Dennis 1965-6-19 124 Humboldt About 1/4 mile south and 1 mile east of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles southeast of Kneeland. 792 Comment
  UC165825  Ceanothus thyrsiflorus Joseph P. Tracy 1909-6-6 2984 Humboldt Eureka 0 Comment
  UC166485  Ceanothus thyrsiflorus Joseph P. Tracy 1909-8-22 3077 Humboldt at Eureka Northern Coast Region, at Eureka 0 Comment
  UCD112727  Ceanothus thyrsiflorus K. Twitchell 1996-5-11 25 Humboldt Crannell, along old Highway 101 at Moonstone beach access. 36 Comment
  SBBG28513  Ceanothus thyrsiflorus var. thyrsiflorus D. Kildale 1926-3-20 Humboldt Big Lagoon Comment
  HSC18344  Ceanothus velutinus C. B. Wolf 1927-8-30 1242 Humboldt 5-6 mi. N of Ettersburg, Paradise Comment
  HSC37062  Ceanothus velutinus R. Sutherland 1975-5-30 1 .30575 Humboldt 320 Comment
  SD42558  Ceanothus velutinus Carl B. Wolf 1937-8-13 9232 Humboldt North Coast Range, 8 mi. E. of Hoopa Valley on new road towards Trinity Summit 1219 Comment
  SEINET201062  Ceanothus velutinus J. P. Tracy 1935-5-12 13798 Humboldt Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC52409  Ceanothus velutinus var. velutinus C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny Comment
  JEPS30696  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt 2 mi s of Redcrest; Horse Prairie Comment
  UC204750  Centaurea cyanus Joseph P. Tracy 1918-7-1 4963 Humboldt along river from South Fork to Scotia, Holmes Flat Eel River; North Coast Ranges, , Holmes Flat 60 Comment
  HSC37944  Centaurea jacea Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  POM128272  Centaurium muehlenbergii M. H. Manning s.n. Humboldt Hupa [Hoopa] Valley. Comment
  POM225120  Centaurium muehlenbergii P. A. Munz 1936-8-9 14329 Humboldt Half a mile north of Humboldt-Mendocino county line, in Redwood Highway. Comment
  RSA171942  Centaurium muehlenbergii Robert F. Thorne 1957-9-2 18993 Humboldt Burlington State Park, just S of Weott. Comment
  HSC48979  Cephalanthera austiniae Rudolf W. Becking 1979-7-15 Humboldt Fish Lake Comment
  UC429101  Cephalanthera austiniae P. E. Goddard 1906-6 693 Humboldt Blocksburg Comment
  CAS-BOT-BC384896  Cerastium arvense L. R. Abrams 1916-7-18 6134 Humboldt Arcata to Trinidad Comment
  CAS-BOT-BC384904  Cerastium arvense Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC59557  Cerastium glomeratum Rick Lundquist 1979-4-25 40 Humboldt .3 mi. S of Samoa on Samoa Blvd. 0 Comment
  POM161037  Cercis occidentalis Joseph P. Tracy 1922-4-30 s.n. Humboldt Trinity River Valley, near Willow Creek. 152 Comment
  UC160965  Cercis occidentalis Harley P. Chandler June, 1901 1428 Humboldt Klamath River North Coast Ranges 304 Comment
  UC527564  Cercis occidentalis C. B. Wolf 1931-8-31 2380 Humboldt Sandy Bar Swimming Hole South Fork of Trinity River (slopes on w side of river 1 mi above its mouth) 243 Comment
  CAS-BOT-BC179478  Cercis occidentalis Lincoln Constance; Reed C. Rollins 1942-5-12 2895 Humboldt Bluffs at junction of Klamath and Salmon rivers, 1 mile south of Somes Bar. 152 Comment
  CAS-BOT-BC135532  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1927-4-10 7897 Humboldt Trinity River Valley, near the South Fork 182 Comment
  HSC36776  Cercocarpus montanus var. glaber Brent Whitely 1975-7-10 154 Humboldt 198 Comment
  HSC44520  Chamerion angustifolium subsp. circumvagum Brad Klipfel 1973-7-1 127 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC98016  Chamerion angustifolium subsp. circumvagum Cara Witte 2007-7-9 456 Humboldt Grouse Mtn.. FS Rd. 4N32. 1/4 mile S of intersection with 5N04 1466 Comment
  UC562419  Chamerion angustifolium subsp. circumvagum Joseph P. Tracy 1935-7-28 14322 Humboldt head of Devil's Hole Trinity Summit 1828 Comment
  CAS-BOT-BC68261  Cheilanthes gracillima Doris K. Kildale 1926-9-5 2649 Humboldt Lasseck's Peaks - Signal Peak 1791 Comment
  UCD97749  Chenopodium album Linda M. Barker 1976-8-24 1680 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  JEPS59740  Chenopodium botrys Lincoln Constance 1934-5-27 690 Humboldt Dyerville bridge South Fork Eel River, Bull Creek Region (s end, gravel bar of river) 45 Comment
  RSA478469  Chenopodium botrys M. B. Dunkle 1936-8-22 4860 Humboldt Williams Grove, Eel River. 213 Comment
  RSA246903  Chenopodium multifidum R. F. Thorne, P. Everett 1965-8-5 35168 Humboldt Samoa Dunes. 3 Comment
  POM319267  Chenopodium multifidum Patricia Wilder 1968-8-21 4406 Humboldt Northern coastal arm of Humboldt Bay, ca. 1 mile SW of Samoa, in sand dunes. 15 Comment
  UC205454  Chenopodium pumilio Joseph P. Tracy 1919-9-13 5200 Humboldt Willow Creek Northern Coast Ranges (near mouth, tributary of Eel River) 152 Comment
  HSC99618  Chimaphila menziesii Jimerson, J. Pageau 1979-6-13 755 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  HSC45428  Chimaphila menziesii Thomas W. Nelson, Jane Nelson 1977-6-19 3501 Humboldt Along ridge N of pond above Alder Springs 1585 Comment
  HSC54226  Chimaphila umbellata Griswold, Butler 1979-7-12 7291 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  UC412888  Chimaphila umbellata Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  SFV18491  Chimaphila umbellata C. Lee 2002-4-27 32 Humboldt USFS Road 13, about 3 miles northwest of intersection with Highway 96. Comment
  SJSU913A  Chimaphila umbellata J. W. Tilden 1946-6-20 1011 Humboldt Bluff Cr c. 1.5 mi above Klamath R Comment
  RSA20793  Chimaphila umbellata subsp. occidentalis C. B. Wolf 1937-8-13 9258 Humboldt North coast range, 11 mi. E. of Hoopa Valley on new road toward Trinity Summit. 1524 Comment
  POM289618  Chrysanthemum leucanthemum Lyman Benson 1928-7-10 421 Humboldt Hills at Fortuna; Seaward N Coast Mt. Range, Mouth of Eel River 30 Comment
  CDA7414  Chrysanthemum segetum M. R. Pryor 1948-7-19 Humboldt Henry Perrott Ranch, Loleta. 0 Comment
  CAS-BOT-BC36486  Chrysolepis chrysophylla Joseph P. Tracy 1940-8-25 16715 Humboldt Bald Mountain 975 Comment
  HSC72798  Chrysolepis chrysophylla Gail Newton 1980-6-17 214 Humboldt Near Onion Mtn. 1341 Comment
  HSC8056  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt Above Kerlin Creek, S. Fork Mtn. Comment
  UC902027  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1949-8-7 18434 Humboldt e side Hoopa Valley (near the Big Hill lookout station) 914 Comment
  CAS-BOT-BC36476  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt Northern Coast Ranges. South Fork Mountain, along summit near Blake lookout 1706 Comment
  UC503101  Chrysolepis sempervirens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8951 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  HSC8634  Cicuta douglasii D. E. Anderson 1961-9-30 1850 Humboldt Blue Lake Comment
  HSC97121  Cicuta douglasii Gordon Leppig 1998-8-23 1078 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  JEPS15745  Cicuta douglasii Joseph P. Tracy 1925-7-5 7179 Humboldt near High Prairie (on Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC24389  Circaea alpina subsp. pacifica J. O. Sawyer 1970-6-24 2254 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  UC562518  Circaea alpina subsp. pacifica Joseph P. Tracy 1936-8-7 15088 Humboldt head of Little Hors-Linto Creek (Trinity Summit); Trinity Summit 1371 Comment
  UC668240  Circaea alpina subsp. pacifica Joseph P. Tracy 1937-6-20 15349 Humboldt 10 mi. up stream from mouth of Bear R.; Bear R. 152 Comment
  CHSC97934  Cirsium cymosum T. R. Haig 1960-6-16 Humboldt Near quarry at Kneeland. Comment
  CDA1218  Cirsium douglasii var. douglasii T. C. Fuller 1962-8-6 9352 Humboldt Hwy 299, 3.4 miles east of Berry Summit. Comment
  UC302187  Cirsium remotifolium Joseph P. Tracy 1926-7-5 7740 Humboldt Iaqua Northern Coast Ranges, Iaqua 609 Comment
  SEINET202627  Cirsium remotifolium Joseph P. Tracy 1949-8-11 18472 Humboldt East of headwaters of Redwood Creek beginning where the electric power line crosses and working south; Kinsey ridge s 1280 Comment
  HSC98792  Cirsium vulgare Cara Witte 2007-7-26 588 Humboldt National Forest 1 on Kinsey Ridge. 1/4 mile south of intersection with 4N06. Near power poles. 1283 Comment
  RSA791717  Clarkia Robert F. Thorne, P. Everett 1965-8-5 35152 Humboldt Samoa Dunes. 3 Comment
  CHSC32908  Clarkia amoena James P. Smith 1973-5-26 6827 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  HSC104439  Clarkia amoena Greg O'Connell 2013-6-27 Humboldt Summit of Mt. Andy 1159 Comment
  UC1222855  Clarkia amoena Joseph P. Tracy 1950-6-8 18751 Humboldt s of point Cape Mendocino; Devil's Gate 3 Comment
  JEPS23479  Clarkia amoena subsp. amoena Joseph P. Tracy 1938-6-17 15957 Humboldt s of point Cape Mendocino (near ocean shore) 3 Comment
  POM301289  Clarkia amoena subsp. amoena Joseph P. Tracy 1945-7-4 17511 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  RSA46476  Clarkia amoena subsp. huntiana Doris K. Kildale 1927-7-25 3836 Humboldt Table Bluff Comment
  RSA21188  Clarkia amoena subsp. huntiana Carl B. Wolf 1947-8-11 9147 Humboldt North Coast Range, Laribee Valley, 8.5 miles west of Dinsmores 457 Comment
  CAS-BOT-BC164175  Clarkia concinna S. K. Harris; J. P. Tracy 1936-6-10 3265 Humboldt West of the South Fork of the Trinity River near its mouth 640 Comment
  UC144067  Clarkia concinna subsp. concinna Joseph P. Tracy 1908-6 2742 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  HSC35011  Clarkia davyi Thomas W. Nelson 1974-9-15 1715 Humboldt W of Fairhaven, Samoa Peninsula Comment
  UC183693  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1913-6-11 4091 Humboldt lower foothills on nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC1196983  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1912-7-4 3730 Humboldt near Hydesville; Northern Coast Region 60 Comment
  JEPS43563  Clarkia purpurea subsp. viminea W. L. Jepson 1902-7-4 1982 Humboldt beneath The Maul Oaks; Hupa Valley Comment
  JEPS43680  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  UC673014  Claytonia cordifolia Joseph P. Tracy 1932-7-15 10583 Humboldt e of Corral Summit; Trinity Summit 1828 Comment
  UCD150389  Claytonia cordifolia Harry A. George 1967-7-13 s.n. Humboldt Pepperwood. Comment
  BLMAR461  Claytonia exigua Jennifer Anthony-Wheeler 2008-3-7 461 Humboldt Samoa dunes, growing in Samoa #3 Endangered Plant Protection Area 12 Comment
  HSC67185  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5421 Humboldt Along road to Red Mtn., 0.5 mi. W of junction with Swayback Ridge Rd. 1372 Comment
  UC673002  Claytonia perfoliata subsp. perfoliata Joseph P. Tracy 1927-5-15 8036 Humboldt near South Fork; Trinity River Valley 182 Comment
  UCD100846  Claytonia rubra subsp. depressa Linda M. Barker 1976-2-22 1318 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET200312  Claytonia rubra subsp. rubra J. P. Tracy 1913-6-16 4141 Humboldt Dinsmore's Ranch in valley of Van Duzen River opposite Buck Mt. 762 Comment
  CAS-BOT-BC443902  Claytonia sibirica Doris Kildale 1931-5-10 10572 Humboldt Snow Camp Comment
  HSC54677  Claytonia sibirica Overton, Butler 1979-7-26 9928 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  POM118717  Claytonia sibirica Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC1537254  Claytonia sibirica Gordon H. True Jr. 1936-5-12 472 Humboldt 5 mi s Kneeland 457 Comment
  HSC59687  Claytonia sibirica George Kirn 1977-10-3 Humboldt Vicinity of Jolly Giant Creek, 1/4 mi. E of HSU campus 46 Comment
  RSA137345  Claytonia sibirica I. L. Wiggins 1957-6-20 14129 Humboldt East side of highway, Trinidad Comment
  SEINET11942404  Claytonia sibirica J. P. Tracy 1950-1 18960 Humboldt Fern Spring, Happy Camp Mountain (in Trinity Summit Range, 6 mi NE of Hawkins Bar) 1280 Comment
  UC1282109  Claytonia sibirica Victor Duran 1933-5-11 3407 Humboldt 6 mi w Bridgeville; Van Duzen River Comment
  UCD100897  Claytonia sibirica James P. Smith 1973-5-26 6850 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  HSC93927  Claytonia washingtoniana L. Snyder, B. Redfern, A. de Knijf 1999-4-12 37 Humboldt Mad River Fish Hatchery 54 Comment
  HSC14644  Clianthus puniceus R. A. Magie 1964-5-3 58 Humboldt 2 mi. N of Trinidad on old Hwy. to Crescent City. Comment
  CAS-BOT-BC499342  Clintonia andrewsiana Elizabeth Parsons Hawver 1915-6-1 s. n. Humboldt Unspecified Comment
  CHSC63433  Clintonia uniflora Vernon H. Oswald 1994-6-29 6364 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 3.5 mi NE of Tiltow Hill Rd., 4.6 mi S of Brush Mt. Lookout Rd., S of Hwy. 299 and Willow Creek. 1237 Comment
  RSA12552  Clintonia uniflora Carl B. Wolf 1934-7-2 5887 Humboldt Snow camp. (Mts. east of Korbel) 1372 Comment
  BLMAR639  Collinsia grandiflora Jennifer Wheeler 2011-6-21 639 Humboldt Lacks Creek, Pine Ridge Road 1158 Comment
  UC1196749  Collinsia heterophylla Joseph P. Tracy 1948-6-13 18049 Humboldt near Harris 609 Comment
  RSA127512  Collinsia linearis Milo S. Baker 1946-6-15 11486 Humboldt Near Head of Willow Cr. Canyon, Trinity Hwy. Comment
  RSA30612  Collinsia linearis Lincoln Constance, R. C. Rollins 1942-5-12 2888 Humboldt Klamath River 10 miles northeast of Weitchpec. 122 Comment
  UC1196753  Collinsia linearis Joseph P. Tracy 1935-7-30 14376 Humboldt near top of Salmon Summit Salmon Summit 2072 Comment
  HSC48636  Collinsia parviflora Mark Flippo 1978-5-20 89 Humboldt USFS Rd. 8N10 Comment
  UC582464  Collinsia parviflora Joseph P. Tracy 1933-7-13 12567 Humboldt Hoopa Mountain near summit on road from Hoopa westward to Bair's Hoopa Mountain 1066 Comment
  UC147863  Collinsia rattanii Joseph P. Tracy 1908-6 2682 Humboldt Northern Coast Ranges, nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC582446  Collinsia torreyi var. wrightii Joseph P. Tracy 1933-7-16 12777 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  UC1197855  Collomia grandiflora Joseph P. Tracy July, 1908 2785 Humboldt ridge between Van Duzen and Mad Rivers at Low Gap (Humboldt and Trinity counties); Northern Coast Ranges 457 Comment
  CHSC40066  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Roadside banks, Fickle Hill Road to Boynton Prairie, SN 2 E. 600 Comment
  HSC53963  Collomia heterophylla Griswold, Butler 1979-7-11 7017 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC73125  Collomia heterophylla M. A. Baker 1980-5-18 1306 Humboldt Near Black Mtn. 1006 Comment
  UC1197851  Collomia heterophylla Joseph P. Tracy 1911-6-4 3225 Humboldt along river 5 mi from coast; Northern Coast Region, Little River 121 Comment
  UC52547  Collomia heterophylla Mrs. M. H. Manning June, 1902 Humboldt Hupa Comment
  SEINET12278705  Collomia tinctoria H. P. Chandler 1901-1 1475 Humboldt Klamath River 427 Comment
  HSC45406  Collomia tracyi Thomas W. Nelson, Jane P. Nelson 1977-7-4 3609 Humboldt Along road N from Alder Springs 1524 Comment
  JEPS26236  Collomia tracyi Joseph P. Tracy 1939-8-5 16373 Humboldt Dinsmore's; Van Duzen River 737 Comment
  RSA46800  Comandra umbellata subsp. californica Doris K. Kildale 1926-5-2 2024 Humboldt Willow Creek. Comment
  CHSC31328  Conium maculatum Mark Stopher 1980-6-4 91 Humboldt Along disturbed roadside of Hwy 101 near Elk River s of Eureka. 1 Comment
  HSC38916  Conium maculatum J. P. Smith 1973-5-26 6794 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC36648  Corallorhiza maculata J. D. Ackerman 1975-6-4 444 Humboldt Redwood National Park: 4 mi. E of Hwy. 101 on Bald Hills Rd. 335 Comment
  RSA183523  Corallorhiza maculata D. E. Anderson 1965-5-15 3687 Humboldt About 7 miles north of Hoopa on Bloody Camp Prairie Road Comment
  RSA246762  Corallorhiza maculata Robert F. Thorne, Percy C. Everett 1965-8-5 35135 Humboldt Mt. Chamisal: below summit. 747 Comment
  UC14966  Corallorhiza maculata Harley P. Chandler June, 1901 1395 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC27513  Corallorhiza maculata J. D. Ackerman, A. Montalvo 1973-7-5 99 Humboldt 17 mi. E of Hoopa, on Grogan Hole Rd. Comment
  JEPS64333  Corallorhiza maculata Lincoln Constance 1934-6-9 842 Humboldt Peavine Ridge South Fork Eel River, Bull Creek Region (w slope) 609 Comment
  HSC54018  Corallorhiza mertensiana Griswold, Butler 1979-7-12 7162 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1196447  Corallorhiza mertensiana Joseph P. Tracy 1921-5-30 5499 Humboldt near Lawrence Creek; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC902263  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1949-8-4 18412 Humboldt Mud Springs Trinity Summit 1341 Comment
  UC936240  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1947-8-24 17884 Humboldt ridge top 1 mi w Mud Springs; Trinity Summit 1158 Comment
  CAS-BOT-BC101144  Corethrogyne filaginifolia Joseph P. Tracy 1934-7-21 13474 Humboldt Near Samoa, on Humboldt Bay 6 Comment
  UC1119247  Corethrogyne filaginifolia H. S. Yates 1968-6-16 5668 Humboldt 1.5 mi sw of Samoa; Eureka Quadrangle Comment
  UC604617  Corethrogyne filaginifolia Joseph P. Tracy 1938-7-15 16059 Humboldt at Bucksport; Eureka 6 Comment
  CAS-BOT-BC212012  Cornus nuttallii Doris K. Kildale 1926-7-25 2434 Humboldt Briceland Bridge, 1/2 west of Garberville 114 Comment
  RSA1406  Cornus nuttallii E. R. Johnson 1929-08 1432 Humboldt Eel River. 91 Comment
  SEINET12137714  Cornus nuttallii F. H. Utech 1988-1 88 -278 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, bluff above Van Duzen River 800 Comment
  HSC82313  Cornus sericea subsp. sericea Thomas W. Nelson, Linda M. Barker 1977-6-3 3385 Humboldt Floodplain of Mad River at S end of Mad River Bridge. 53 Comment
Read comments
May 7 2013
  UC1196900  Cornus sericea subsp. sericea Joseph P. Tracy Jul 16 1930-Jul 19 1930 9009 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  UC502976  Cornus sericea subsp. sericea Joseph P. Tracy 1932-7-16 10629 Humboldt near Corral Prairie (Trinity Summit); Klamath Mts., Trinity Summit 1524 Comment
  CAS-BOT-BC210542  Cornus sessilis Carl B. Wolf 1941-2-28 9971 Humboldt Junction of Willow Creek & its e. fork 457 Comment
  RSA113712  Cornus stolonifera Joseph P. Tracy 1948-9-2 18201 Humboldt Trinity Summitt. In fir woods, head of Little Hors-Linto Creek. 1372 Comment
  UCD59806  Cortaderia selloana D. W. Cooper 1967-10-1 Humboldt Big Lagoon. 76 Comment
  CAS-BOT-BC172850  Corylus cornuta subsp. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, windswept N slopes, along Hookton Road 9 Comment
  HSC58224  Corylus cornuta subsp. californica Walter Overton 1979-8-1 12367 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  RSA173975  Corylus cornuta var. californica R. F. Thorne 1957-9-2 19003 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  UCR32167  Corylus cornuta var. californica David J. Keil 1983-7-2 17312 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  CAS-BOT-BC143487  Cotoneaster franchetii Peter F. Zika 2007-7-20 23323 Humboldt Lynda Lane near high school, S end of Big Lagoon, (NCo, North Coast) 20 Comment
  UC1199279  Cotula coronopifolia Joseph P. Tracy 1922-5-28 6058 Humboldt Little River Beach North Coast Ranges. Little River Beach 6 Comment
  HSC5431  Cotula coronopifolia H. E. Parks Sep 1941 24211 Humboldt Little River Beach Park, along highway Comment
  UC1198826  Crassula connata var. erectoides Joseph P. Tracy 1922-4-30 6027 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  CAS-BOT-BC291480  Crepis capillaris Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC290727  Crepis occidentalis subsp. conjuncta Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC290848  Crepis pleurocarpa Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC5462  Crocidium multicaule D. H. Norris 1969-3-1 2272 Humboldt Along Trinity River at Norton Creek, ca. 4 mi. N of Hoopa Comment
  UC581741  Crocidium multicaule Joseph P. Tracy 1933-5-21 12212 Humboldt McClellan Mountain Northern Coast ranges, McClellan Mountain 822 Comment
  RSA246757  Crocosmia X crocosmiiflora Robert F. Thorne, Percy C. Everett 1965-8-8 35271 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  SEINET3875024  Crocosmia aurea Bennett, Dunn; Dziekanowski 1976-8-6 477 Humboldt Collected by Highway 101, North side of Orick.; 0 30 Comment
  HSC12016  Croton setiger Wilbur Peterson 1970-10-31 95 Humboldt Scotia Bluffs, edge of Eel River Comment
  HSC8629  Croton setiger D. E. Anderson 1961-9-30 1839 Humboldt Along Hwy. 299 Comment
  UC175691  Cryptantha flaccida Joseph P. Tracy 1908-6 2758 Humboldt opposite Buck Mountain (at Little Van Duzen Bridge); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  SDSU19212  Cryptantha leiocarpa Michael G. Simpson, John Sawyer and Michael Mayer 2008-5-30 3032 Humboldt Lanphere Dunes, ca. 3.0 miles north-northeast of Manila. 2 Comment
  UCD119870  Cryptantha leiocarpa Linda M. Barker 1976-4-30 1419 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  UC175783  Cryptantha torreyana Joseph P. Tracy 1912-6-9 3655 Humboldt Alton Northern Coast Region 30 Comment
  UC1222267  Cryptantha torreyana Joseph P. Tracy 1949-8-11 18484 Humboldt 3 mi se Snow Camp; Twin Lakes 1463 Comment
  HSC102612  Cryptogramma acrostichoides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1599 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC55144  Cryptogramma acrostichoides G. L. Clifton, Griswold 1979-8-1 12045 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC906744  Cuscuta californica Joseph P. Tracy 1947-7-5 17776 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  HSC49805  Cuscuta pacifica var. pacifica R. York 1979-5-18 301 Humboldt Around Humboldt Bay Comment
  UC1197870  Cuscuta subinclusa Joseph P. Tracy 1927-7-17 8287 Humboldt near Bug Creek (Ahlgren's, on Mad River); Mad River 457 Comment
  HSC66829  Cycladenia humilis M. A. Baker 1980-7-24 3197 Humboldt Near Orleans Mtn. 1625 Comment
  HSC3643  Cynoglossum grande S. S. Stutz 1963-4-21 26 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  UC1222264  Cynoglossum grande Joseph P. Tracy 1946-6-23 17592 Humboldt near the McBride place at s.e. end Kneeland Prairie 762 Comment
  UCD60124  Cynosurus cristatus A. H. Murphy 1949-6-29 s. n. Humboldt ca. 1.5 miles north of Loleta, H. Perrots Ranch, Table Bluff. Comment
  SBBG53060  Cynosurus echinatus R. N. Philbrick, J. R. Haller 1976-6-25 4 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC1145092  Cynosurus echinatus Joseph P. Tracy 1938-8-20 16122 Humboldt Alton 30 Comment
  UC213326  Cyperus bipartitus Joseph P. Tracy 1920-8-15 5383 Humboldt Klamath R. at Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  HSC75505  Cyperus eragrostis Melinda F. Denton 1981-7-3 4253 Humboldt On Hwy. 36, 32 mi. E of Alton, 17 mi. W of Van Duzen River Rd. 610 Comment
  UC1196444  Cypripedium fasciculatum unknown 1931-4-1 Humboldt Weitchpec 152 Comment
  CAS-BOT-BC189767  Dactylis glomerata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  JEPS72926  Dactylis glomerata Lincoln Constance 1934-6-6 828 Humboldt Fire trail Dyerville to Horse Prairie and return Bull Creek Region; South Fork Eel River, Bull Creek Region Comment
  UC70789  Danthonia californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5678 Humboldt Hoopa Mt. Comment
  JEPS49591  Darmera peltata Joseph P. Tracy 1918-5-27 4934 Humboldt foot of Grouse Mt. (Redwood Creek); Northern Coast Ranges 457 Comment
  HSC38645  Daucus pusillus J. P. Smith, J. O. Sawyer 1975-5-31 8147 Humboldt Growing in Samoa Peninsula in wooded area just E of the Eureka-Samoa bridge Comment
  CDA38308  Daucus pusillus T. C. Fuller 1958-6-17 1904 Humboldt Zanone Ranch, Cape Mendocino. 0 Comment
  UC1196316  Delphinium Joseph P. Tracy 1933-5-20 12270 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  SEINET12104065  Delphinium decorum F. H. Utech 1988-5-23 88 -283 Humboldt along CA 36 from Bridgeville enroute to Dinsmore 800 Comment
  CAS-BOT-BC9028  Delphinium decorum subsp. tracyi Doris Kildale Gillespie 1931-6-7 10641 Humboldt South Fork Mtn., Blake Lookout 1726 Comment
  HSC101980  Delphinium decorum subsp. tracyi M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 877 Humboldt Patterson Meadows 1566 Comment
  HSC37654  Delphinium decorum subsp. tracyi Robert M. Specht, John Rehling 1976-4-25 395 Humboldt 12 mi. E of Bridgeville on Hwy. 36, at SE end of Larabee Valley Comment
  POM149763  Delphinium hesperium L. R. Abrams 1916-7-11 600 Humboldt Between Blocksberg and Bridgeville Comment
  RSA44425  Delphinium hesperium E. K. Balls, Lee W. Lenz 1956-6-12 21665 Humboldt 9.1 miles NE from Blue Lake along Hwy 299, Arcata to Willow Creek. Comment
  JEPS60593  Delphinium hesperium subsp. hesperium Lincoln Constance 1934-5-29 713 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River 365 Comment
  OBI10845  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley at Willow Crk 152 Comment
  UC1196331  Delphinium nudicaule Joseph P. Tracy 1923-6-3 6260 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC9957  Delphinium nudicaule Duart V. Brown 1947-4-2 28 Humboldt Near Sweed Creek, Trinity River Comment
  HSC25007  Delphinium nudicaule D. E. Anderson 1965-5-1 3589 Humboldt W facing sheer cliff above Trinity River along Hwy. 96 Comment
  HSC35350  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 489 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  UC1196335  Delphinium trolliifolium Joseph P. Tracy 1946-6-15 17562 Humboldt foothills of Horse Mountain 1066 Comment
  HSC93674  Deschampsia cespitosa Peter Haggard 1996-7-8 Humboldt Eureka, North Coast Railroad right-of-way. Comment
  UCD61160  Deschampsia cespitosa Joseph P. Tracy 1942-6-15 17128 Humboldt Englewood, Natural prairie, near Redcrest resort. 91 Comment
  UC187264  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1904-7-31 2129 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC34132  Deschampsia cespitosa subsp. beringensis Joseph Burtt Davy and Walter C. Blasdale Aug. 1899 6213 Humboldt Eureka Comment
Read comments
Sep 27 2007
  CAS-BOT-BC192702  Deschampsia danthonioides L. B. Kildale 1930-6-1 9768 Humboldt Klamath River at Bluff Creek Comment
  UC38482  Deschampsia elongata Harley P. Chandler May, 1901 1175 b Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 54 Comment
  HSC44257  Dicentra formosa J. Walker 1977-4-23 8 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC12427  Dicentra formosa Gary J. Stebbins 1970-4-19 72 Humboldt Along road to Fieldbrook 2.8 mi. N of Hwy. 299 Comment
  HSC36234  Dicentra formosa John Rehling 1975-5-8 64 Humboldt Behind H.S.U. Campus Comment
  RSA433570  Dicentra formosa subsp. formosa Charlotte M. Hoak 1931-7-15 s.n. Humboldt Trinidad Comment
  CAS-BOT-BC402412  Dicentra formosa subsp. formosa S. Morrissette; J. Williams; K. Kopper 1994-5-6 040 Humboldt Intersection of Hwy 299 & Redwood Valley Rd. 609 Comment
  POM272535  Dicentra formosa subsp. formosa Lyman Benson 1928-7-12 486 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  CAS-BOT-BC254483  Dichanthelium acuminatum subsp. acuminatum Henry M. Pollard 1948-9-18 s.n. Humboldt Banks of Klamath River, Orleans Comment
  UC176624  Dichelostemma X venustum Joseph P. Tracy 1913-6-26 4351 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC1198175  Dichelostemma capitatum Joseph P. Tracy 1935-5-25 13894 Humboldt Dobbyn Creek 152 Comment
  UC176178  Dichelostemma capitatum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3614 Humboldt near Hydesville; Northen Coast Region 30 Comment
  HSC38076  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1976-5-30 2631 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1198162  Dichelostemma congestum J. P. Tracy 1901-6-23 1187 Humboldt near Ryan's Slough Hill (immediate vicinity of Eureka); Eureka 0 Comment
  HSC38482  Dichelostemma ida-maia D. E. Anderson, J. P. Smith 1971-6-18 - 1062 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC501013  Dichelostemma ida-maia Volney Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  SEINET3885614  Dichelostemma ida-maia D. W. McNeal 1977-6-6 2045 Humboldt Dry shaded hillside above the Bridgeville-Kneeland Rd., 0.4 mi. N. of Hwy. #36.; 0 Comment
  UC1198179  Dichelostemma ida-maia Frank A. Graham 1935-7-27 Humboldt lower end Crogan Hole; Trinity Summit 1463 Comment
  UC1222689  Dichelostemma ida-maia Joseph P. Tracy 1950-6-15 18777 Humboldt 5 mi n Harris (on the Overland Road); Mail Ridge Comment
  UC666912  Dichelostemma ida-maia Joseph P. Tracy 1937-7-19 15450 Humboldt nw slope Buck Mountain 914 Comment
  UCSB13002  Dichelostemma ida-maia Muller, Katherine 1954-6-21 Humboldt Mad River Camp #2 on Mad River, below Ruth P.O. Comment
  HSC23712  Digitalis purpurea Tim Baroni 1971-6-25 60 Humboldt Comment
  HSC44761  Digitalis purpurea Maralyn O'Meara 1972-6-8 94 Humboldt Along Bald Hills Rd., 8 mi. E of junction with Hwy. 101 Comment
  SEINET8733128 Image available Diplacus aurantiacus H. E. Parks, S. T. Parks 1951-1 s.n. Humboldt Along bay shore near landing. Trinidad. Comment
  UC30078  Disporum smithii Mrs. M. H. Manning 1901-4-1 12 Humboldt near Hupa 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
  CAS-BOT-BC208657  Distichlis spicata L. R. Abrams 1922-6-25 8250 Humboldt Humboldt Bay east of Arcata Comment
  CDA15326  Distichlis spicata R. Spadoni 1998-10-5 s.n. Humboldt North Coast; Common to dominant perennial in grasslands around salt marsh near Loleta. 0 Comment
  HSC17907  Dodecatheon alpinum W. K. Parks Jul 1933 1374 Humboldt S Fork Mtn. Comment
  JEPS14669  Dodecatheon alpinum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8930 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (South Fork Mountain) 1676 Comment
  UC1198623  Dodecatheon hendersonii Joseph P. Tracy 1933-7-11 12702 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  JEPS14441  Downingia elegans W. L. Jepson 1927-7-3 12363 Humboldt Miranda South Fork of Eel River 228 Comment
  JEPS14453  Downingia elegans Joseph P. Tracy 1927-7-17 8270 Humboldt Three Cabins, on lower w foothills of Chaparral Mountain North Coast Ranges, Chaparral Mountain 457 Comment
  POM47623  Downingia yina J. B. Feudge 1923-7-29 108 Humboldt Rohnerville. 15 Comment
  HSC23462  Drosera rotundifolia Norman Dennis 1965-6-3 140 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  CAS-BOT-BC159616  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1926-4-30 1945 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  RSA249311  Drymocallis glandulosa var. reflexa D. E. Anderson 1972-6-14 5618 Humboldt Mt. Lassic and 2 smaller peaks to immediate E. 1768 Comment
  RSA273338  Drymocallis glandulosa var. wrangelliana Thomas W. Nelson 1976-5-30 2636 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC58143  Drymocallis lactea var. lactea Gilbert Muth 1979-8-1 12169 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CAS-BOT-BC158415  Drymocallis rhomboidea Doris Kildale Gillespie 1931-6-7 10609 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  UC249767  Dryopteris arguta Joseph P. Tracy 1924-12-7 6927 Humboldt Hydesville; Northern Coast Ranges 91 Comment
  CAS-BOT-BC71053  Dryopteris expansa John Thomas Howell; Gordon H. True; Lewis S. Rose 1972-6-5 48820 Humboldt Patrick Point State Park Comment
  HSC91599  Dryopteris expansa E. Mackey 1987-8-29 Humboldt Patrick's Pont State Park, by bridge over Penn Creek Comment
  HSC25284  Echinochloa crus-galli Thomas W. Nelson 1972-11-25 701 Humboldt Eureka, Harris and B St. Comment
  SEINET200660 Image available Echinochloa crus-galli J. P. Tracy 1938-8-14 16115 Humboldt Trinity River Valley near the South Fork 183 Comment
  UC1103652  Eleocharis acicularis Joseph P. Tracy 1936-6-28 15025 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC1116223  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Dow's Prairie; dried pond 60 Comment
  HSC69758  Eleocharis macrostachya Thomas W. Nelson 1977-9-22 3749 Humboldt E side of SR 101 just N of the Eureka Airport Comment
  UC666918  Eleocharis macrostachya Joseph P. Tracy 1934-7-20 13464 Humboldt Big Lagoon, small farm on shore 3 Comment
  UC183687  Eleocharis obtusa Joseph P. Tracy 1911-7-7 3401 Humboldt 3 mi NW of jct. of Willow Creek with Trinity River, at the meadows on mountain side Northern Coast Ranges 914 Comment
  CHSC96444  Eleocharis pachycarpa Gordon Leppig 1997-8-3 648 Humboldt Big Lagoon County Park, Big Lagoon Bog. UTM Zone 10 NAD 1927, 405321E 4557202N. 3 Comment
  UC1103664  Eleocharis pachycarpa Harold E. Parks and Joseph P. Tracy 1934-10-13 11148 Humboldt Trinidad, at Parks' place 60 Comment
  POM313063  Eleocharis pachycarpa Malcolm A. Nobs, S. Galen Smith 1949-8-11 1346 Humboldt Marshes on eastern side of Big Lagoon Comment
  RSA298364  Eleocharis palustris Thomas W. Nelson 1977-9-22 3749 Humboldt In drainage ditch along east side of State Route 101 just north of the Eureka Airport Comment
  UC1103660  Eleocharis parishii Joseph P. Tracy 1919-5-31 5178 Humboldt near, shore of Lack pond Willow Creek; Trinity River Valley 152 Comment
  BLMAR37  Elymus Brad Barr 37 Humboldt King range Comment
  HSC32330  Elymus elymoides var. californicus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5634 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. 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
  HSC76540  Elymus glaucus Denis Kearns 1981-7-24 444 Humboldt Near Whiteys Peak. 1768 Comment
  HSC9709  Elymus glaucus True Hoyle 1967-7-24 29567 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  SEINET249776  Elymus glaucus subsp. glaucus J. P. Tracy 1936-6-9 14889 Humboldt Bear River Lodge Comment
  RSA10136  Elymus glaucus subsp. jepsonii Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge. 1067 Comment
  HSC8763  Elymus trachycaulus subsp. trachycaulus D. W. C. 1956-6-20 19 Humboldt May Ranch, Bridgeville. 457 Comment
  CDA21306  Epilobium angustifolium subsp. circumvagum D. Kratville 2007-7-1 PDR 1426134 Humboldt North Coast; Stone Lagoon State Park, Hwy 101, Orick. 0 Comment
  HSC32569  Epilobium brachycarpum Thomas W. Nelson 1973-9-3 1125 Humboldt McKeown Ranch N of Dinsmore, rocky alluvium along Mad River Comment
  UC144089  Epilobium brachycarpum Joseph P. Tracy July 1908 2895 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  BLMAR386  Epilobium canum subsp. latifolium Jennifer Anthony-Wheeler 2004-9-1 386 Humboldt Horse Mtn, Growing along titlow hill road 18+ miles 1584 Comment
  RSA275298  Epilobium canum subsp. latifolium Thomas W. Nelson 1977-8-6 3722 Humboldt Lassics: serpentine ridge between Blanket Creek and Bear Creek just below Blanket Rock. Unsurveyed section east of T2S, R5E, Sec. 25 1494 Comment
  SBBG60143  Epilobium canum subsp. latifolium L. Rowntree 1931-7-21 Humboldt Mattole River Comment
  HSC55181  Epilobium ciliatum G. L. Clifton, Griswold 1979-8-2 12199 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1197003  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1920-8-15 5388 Humboldt Bluff Creek Northern Coast Ranges, Klamath River 152 Comment
  UC1197012  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1931-10-11 9714 Humboldt at Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC549761  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1932-7-15 10575 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC562504  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1933-8-6 12941 Humboldt along stream French Camp Ridge 1066 Comment
  UC205638  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1919-9-18 5225 Humboldt Trinity Summit, Northern Coast Ranges Comment
  UC902169  Epilobium densiflorum Joseph P. Tracy 1946-8-25 17644 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  JEPS31503  Epilobium densiflorum Joseph P. Tracy 1938-7-5 16003 Humboldt wet place in flat by old Strong's District School house (5 mi e of town); Carlotta 45 Comment
  UC1198492  Epilobium densiflorum Joseph P. Tracy 1938-7-5 16003 1/2 Humboldt wet place in flat by old Strong's District School House (5 mi e of Carlotta) 45 Comment
  UCD106289  Epilobium densiflorum Roman Gankin 1965-8-6 561 Humboldt 2.5 miles SW of Capetown. Comment
  HSC102624  Epilobium hallianum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1611 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC41818  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3514 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  RSA256576  Epilobium minutum D. E. Anderson 1972-6-20 5747 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  HSC45063  Epilobium minutum R. Sutherland 1978-4-23 17 .23478 Humboldt Kinsey Ridge near head 732 Comment
  JEPS31474  Epilobium minutum Joseph P. Tracy 1926-6-20 7617 Humboldt Horse Mountain Northern Coast Ranges (along streamlets) 1524 Comment
  JEPS31520  Epilobium septentrionale Joseph P. Tracy 1933-9-9 13075 Humboldt vicinity of Garberville (along S. Fork Eel R.); S. Fork Eel R. 121 Comment
  UC62558  Equisetum hyemale subsp. affine P. E. Goddard July 1901 88 Humboldt Hupa Comment
  SEINET3865662 Image available Equisetum hyemale var. robustum J. P. Smith, class 1971-10-9 4996 Humboldt Banks and flood plain of the Mad River above the Fish Hatchery.; 0 Comment
  CAS-BOT-BC57792  Equisetum telmateia Joseph P. Tracy 1934-6-28 13268 Humboldt By Salmon Creek. 9 Comment
  HSC887  Equisetum telmateia subsp. braunii Dan O'Brien 1962-5-20 Humboldt 0.5 mi. E of Humboldt State University campus Comment
  CDA37518  Equisetum telmateia subsp. braunii G. D. Barbe 1984-6-7 4164 Humboldt Along Highway 299, 17 miles east of Arcata and junction with Highway 101. Comment
  RSA183500  Equisetum telmateia var. braunii D. V. Sanford 1963-3-23 23 Humboldt [no locality information provided] Comment
  RSA44454  Eragrostis cilianensis Henry M. Pollard 1947-8-30 s.n. Humboldt Klamath River at Wilson Creek, near Orleans Comment
  HSC98024  Erigeron aliceae Cara Witte 2007-7-11 509 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  RSA168815  Erigeron annuus Joseph P. Tracy 1949-10-9 18585 Humboldt My garden at Eureka Comment
  CAS-BOT-BC300370  Erigeron eatonii var. plantagineus Thomas W. Nelson; James L. Nelson 1980-6-10 5395 Humboldt North Coast Ranges. Jack Rabbit Valley. Along Swayback Ridge 4-wheel drive road 1 mile south of junction with Forest Service road 1493 Comment
  CAS-BOT-BC296121  Erigeron foliosus var. confinis Alice Eastwood; John Thomas Howell 1937-6-24 4870 Humboldt Gambi's Comment
  JEPS11982  Erigeron foliosus var. confinis Rimo Bacigalupi with G. T. Robbins 1954-6-28 4653 Humboldt 4.6 mi s Weitchpec, Hoopa Valley Indian Reservation (between Hoopa Valley and Weitchpec, along highway, high above Trinity River); Trinity River 167 Comment
  UC479508  Erigeron foliosus var. mendocinus Marcus E. Jones, A. M. 1931-7-16 29149 Humboldt junction e Arcata Comment
  UC87757  Erigeron foliosus var. mendocinus J. W. Blankinship 1893-7-19 Humboldt Van Duzen River; banks Comment
  SD40123  Erigeron glaucus Edith A. Purer 1932-7-27 4143 Humboldt Comment
  HSC97452  Erigeron klamathensis Cara Witte 2007-6-7 219 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  HSC66281  Erigeron maniopotamicus M. A. Baker 1980-6-28 2499 Humboldt Near Mad River Buttes 1445 Comment
  UCSB15446  Erigeron philadelphicus Breedlove, Dennis 1961-7-3 Humboldt Along Eel River, 7.4 miles north of Phillipsville 243 Comment
  UC1199400  Erigeron strigosus var. septentrionalis Joseph P. Tracy 1935-7-9 14057 Humboldt opposite Willow Creek; Trinity River Valley 152 Comment
  HSC13517  Eriodictyon californicum Paul Shields May 1955 Humboldt 7 mi. W of Hoopa Comment
  RSA134150  Eriodictyon californicum Percy C. Everett, E. K. Balls 1959-10-24 23953 Humboldt 2.8 miles southwest from Siskiyou-Humboldt Co. line, Somesbar to Orleans. 198 Comment
  HSC102097  Eriogonum compositum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1000 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC97398  Eriogonum compositum var. compositum Benjamin Hart, Erin Lonergan 2007-6-11 4 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1524 Comment
  RSA65140  Eriogonum latifolium F. W. Peirson 1923-7-11 3713 Humboldt 6 miles north of Eureka Comment
  UC54702  Eriogonum nudum var. nudum Harley P. Chandler 1901-6-1 1350 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  RSA178589  Eriogonum nudum var. nudum Joseph P. Tracy 1950-8-20 19320 Humboldt Along the Klamath River at 'Big Bar', just above Slate Creek 122 Comment
  UC14099  Eriogonum nudum var. nudum Chesnut and Drew July 1888 Humboldt Pilot Creek Comment
  POM160765  Eriogonum roseum Joseph P. Tracy 1923-9-10 6547 Humboldt Local on sand bar Trinity River Valley, near the South Fork. Comment
Read comments
Aug 15 2009
  RSA53800  Eriogonum umbellatum var. argus H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mts. 1524 Comment
  SEINET10919209 Image available Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 Reveal 8345 Humboldt Along U.S. Forest Service Road 1 at south end of Whiting Ridge, about 0.5 air miles west-northwest of High Salt Ground and 9.3 air miles west of Hyampom, on serpentine outcrops in an open grassland. T.3N, R5W, sec. 20 NW1/4 of the SE1/4. 1295 Comment
  UC1198157  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1932-7-12 10459 Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  HSC99135  Eriogonum umbellatum var. nelsoniorum Cara Witte 2008-7-10 854 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  HSC74215  Eriogonum umbellatum var. polyanthum M. A. Baker 1980-7-15 2969 Humboldt Near Whiting Ridge. 1341 Comment
  HSC76554  Eriogonum umbellatum var. polyanthum Teresa Prendusi 1981-7-24 517 Humboldt Near Whiteys Peak 1634 Comment
  OBI10943  Eriogonum umbellatum var. polyanthum Carl B. Wolf 1937-8-13 9221 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  RSA21320  Eriogonum umbellatum var. polyanthum Carl B. Wolf 1937-8-13 9221 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  CAS-BOT-BC301010  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-11 6065 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  HSC43852  Eriophyllum lanatum var. achilleoides Maralyn O'Meara 1974-7-17 552 Humboldt Kneeland Comment
  POM358028  Eriophyllum lanatum var. aphanactis Thomas W. Nelson, Jane P. Nelson 1977-7-1 3579 Humboldt Head of North Fork of Conley Creek, W side of road N from Alder Spring. 1463 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
  HSC44347  Eriophyllum lanatum var. lanceolatum Brad Klipfel 1975-6-17 688 Humboldt Horse Mtn. Comment
  JEPS34643  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1933-8-6 12936 Humboldt French Camp Ridge Comment
  UC275337  Erodium botrys Joseph P. Tracy 1923-5-13 6206 Humboldt near Bridgeville; Northern Coast Ranges 213 Comment
  HSC44066  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3697 Humboldt Rd. 2S08 between Alder Spring and Pine Mtn. 1585 Comment
  HSC76222  Erysimum capitatum var. capitatum Walter Overton, Marvin Butler 1979-7-24 9764 Humboldt Near Black Rock, close to the town of Willow Creek 1554 Comment
  CAS-BOT-BC383050  Erythranthe guttata David B. Lowry 2005-5-16 BHI Humboldt In a stream running under Bald Hills Road 772 Comment
  SEINET3886103  Erythronium californicum Eric May, Susan Carter 1987-3-29 115 Humboldt Gray Falls Campground; 10 mi E of Willow Creek on Hwy 299 along Trinity River. N end loop road in campground.; 0 244 Comment
  UC1222542  Erythronium californicum Joseph P. Tracy 1950-4-20 18616 Humboldt two mi w Dinsmore's (lower foothills of nw slope of mountain); Buck Mountain 762 Comment
  JEPS88924  Erythronium revolutum Harley P. Chandler Jun 1901 1279 Humboldt Hupa Indian Reservation 1066 Comment
  HSC104344  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 6 Humboldt Kneeland 854 Comment
  HSC104347  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-7 20 Humboldt Kneeland 854 Comment
  CAS-BOT-BC403032  Eschscholzia californica Carl B. Wolf 1937-6-14 8824 Humboldt North Coast Range, Kneeland Prairie 822 Comment
  UC1196290  Eschscholzia californica Joseph P. Tracy 1912-7-4 3734 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC183669  Eschscholzia californica Joseph P. Tracy 1912-7-26 3853 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC668058  Eschscholzia californica Joseph P. Tracy 1938-6-17 15956 Humboldt s point of the Cape (near ocean shore); Cape Mendocino 3 Comment
  UC1199298  Eucephalus tomentellus Joseph P. Tracy 1930-7-19 9083 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC310496  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  HSC4304  Euonymus occidentalis D. E. Anderson 1961-9-23 1834 Humboldt 2.3 mi. S of Kneeland corner Comment
  HSC102563  Euonymus occidentalis var. occidentalis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1550 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC302982  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  HSC36485  Eurybia radulina Thomas W. Nelson, James Nelson 1975-9-3 2195 Humboldt Above junction of Maple Creek-Kneeland Rd. Comment
  UC581784  Eurybia radulina Joseph P. Tracy 1929-10-6 8677 Humboldt Kneeland Prairie, on Butler Valley Road Kneeland Prairie 609 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
  UC207580  Festuca californica Joseph P. Tracy 1916-4-30 4683 Humboldt Table Bluff, around Humboldt Bay Northern Coast Ranges, Humboldt Bay 121 Comment
  POM206180  Festuca californica var. californica Joseph P. Tracy 1901-6-23 1175 Humboldt Immediate vicinity of Eureka. 0 Comment
  RSA121321  Festuca elmeri H. S. Yates 1936-6-17 5690 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  UC525641  Festuca elmeri Joseph P. Tracy 1927-5-8 7962 Humboldt facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  UCD65940  Festuca elmeri R. Tofsrud 1947-7-1 204 Humboldt Between Alder Point and Zinea. Comment
  HSC71744  Festuca idahoensis M. A. Baker 1980-6-26 2426 Humboldt Near Sims Creek 610 Comment
  UC1103726  Festuca idahoensis Joseph P. Tracy 1941-6-15 16909 Humboldt Wilder Ridge 609 Comment
  UC526869  Festuca idahoensis Joseph P. Tracy 1930-6-8 8729 Humboldt Kneeland Prairie North Coast Ranges 762 Comment
  HSC70396  Festuca occidentalis M. A. Baker 1980-6-7 1808 Humboldt Near Brush Mtn. 1128 Comment
  HSC99020  Festuca occidentalis Cara Witte 2007-6-7 227 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1263 Comment
  UC187113  Festuca occidentalis J. P. Tracy 1903-5-22 1876 Humboldt Alder Point Eel River 152 Comment
  HSC83339  Festuca rubra Andrea Pickart 1987-6-26 Humboldt Arcata, Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata. Comment
  UC525639  Festuca rubra Joseph P. Tracy 1927-7-4 8238 Humboldt Lone Star Creek North Coast Ranges, Iaqua District 609 Comment
  CAS-BOT-BC278972  Festuca rubra W. R. Dudley 1893-6-20 s.n. Humboldt South Fork of Eel River Comment
  HSC62777  Fragaria chiloensis M. Dean Griswold Jr. 1979-4-28 27 Humboldt N of NE boundary of Big Lagoon County Park Comment
  HSC97577  Fragaria vesca Cara Witte 2007-5-29 130 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1251 Comment
  HSC44599  Fragaria virginiana Brad Klipfel 1973-6-10 105 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC31219  Frangula californica D. E. Anderson 1972-6-20 5730 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  CAS-BOT-BC59969  Frangula purshiana Volney Rattan 1882-6-1 s.n. Humboldt Mad River. Comment
  RSA46884  Fraxinus latifolia Doris K. Kildale 1926-4-18 1783 Humboldt Bridgeville on road to McClellan Mt. Comment
  UC2029548  Fumaria capreolata Richard R. Halse 2013-3-28 8767 Humboldt Eureka, weed area by a Texaco station near 3543 Broadway St. (U.S. Highway 101) and its intersection with McCullens Ave. Comment
  RSA654821  Fumaria officinalis Gordon Leppig, Sylvia Leppig 2000-12-7 1523 Humboldt Arcata, 7th and I Street just west of Post Office 6 Comment
  HSC100647  Galium Carl C. Marshall 76 Humboldt No data. Comment
  BLMAR274  Galium aparine Jennifer Anthony-Wheeler 1999-7-30 274 Humboldt Lacks Creek 1219 Comment
  HSC73541  Galium aparine Gail Newton 1980-7-14 1477 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC99827  Galium aparine Jimerson, Pageau 1979-6-13 541 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  HSC19850  Galium aparine J. W. Johnson 1962-4-18 1262 Humboldt Between the Mad River mouth and the Hunt Farm, Samoa Peninsula Comment
  HSC70981  Galium bolanderi Gail Newton 1980-7-22 1664 Humboldt Near Devils Backbone 1554 Comment
  JEPS6703  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  JEPS52823  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-7-9 3852 Humboldt 1/2 mi e Dinsmores (on Hwy 36) 731 Comment
  UC1196102  Galium parisiense Joseph P. Tracy 1916-6-19 4719 Humboldt at Forks of Dobby Creek Northern Coast Ranges 182 Comment
  BLMAR206  Galium parisiense Jennifer Anthony-Wheeler 1996-7-9 206 Humboldt Pilots ridge., growing in warm, dry, rocky soil in understroy in mixed hardwood forest 1280 Comment
  POM266166  Galium porrigens Ynez Whilton Winblad 1941-6-25 s.n. Humboldt Between Garberville and Pepperwood. Comment
  HSC61722  Galium porrigens var. porrigens Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  HSC34701  Galium porrigens var. porrigens Thomas W. Nelson 1974-8-24 1702 Humboldt Weitchpec, under highway bridge over Klamath River Comment
  POM90778  Galium trifidum Chesnut, E. R. Drew 1888-7-8 s.n. Humboldt Near Campbell's. Comment
  HSC57325  Galium triflorum Overton, Butler 1979-7-24 9643 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76233  Galium triflorum Teresa Prendusi 1981-7-9 166 Humboldt Near Cedar Camp. 1268 Comment
  UC169000  Galium triflorum Joseph P. Tracy 1911-7-5 3314 Humboldt near its mouth Willow Creek (tributary of Trinity River); Northern Coast Ranges 243 Comment
  HSC100644  Galium triflorum Carl C. Marshall May 1886 210 Humboldt Woods everywhere. Comment
  UC164849  Gamochaeta ustulata J. P. Tracy 1907-6-20 2573 Humboldt immediate vicinity Eureka 0 Comment
  UC175604  Gamochaeta ustulata Joseph P. Tracy 1913-6-21 4255 Humboldt Dinsmore's Ranch, opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River, Dinsmore's 762 Comment
  CAS-BOT-BC200580  Garrya buxifolia Joseph P. Tracy 1935-7-14 14062 Humboldt Horse Mountain 1432 Comment
  HSC41276  Garrya buxifolia Brad Klipfel 1974-6-25 430 Humboldt Horse Mtn. Comment
  LA40291  Garrya fremontii Carl B. Wolf; 1930-10-24 1762 Humboldt along Klamath River, 1 mi. above the mouth of Slate Creek 243 Comment
  UC502980  Garrya fremontii Joseph P. Tracy 1932-3-6 9773 Humboldt Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC8625  Gastridium phleoides D. E. Anderson, J. P. Smith 1971-6-21 - 1104 Humboldt 16.2 mi. E of Garberville on road to Alderpoint. Comment
  SEINET10559581  Gastridium phleoides Harley P. Chandler Chandler 1506 Humboldt Klamath River. 427 Comment
  HSC76327  Gaultheria ovatifolia Denis Kearns 1981-7-6 63 Humboldt Near Mosquito Lake 1122 Comment
  POM118415  Gaultheria shallon Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  SBBG59965  Gaultheria shallon R. Hartwell 1938-8-3 105 Humboldt Bull Crk, Redwood Flat, Eel River Comment
  UCSB19651  Gaultheria shallon Lowery, Jos. 1962-08 Humboldt Willow Springs, Mts. ca. 30 mi. E of Eureka 457 Comment
  HSC54012  Gayophytum diffusum subsp. parviflorum Griswold, Butler 1979-7-12 7142 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC97985  Gayophytum diffusum subsp. parviflorum Cara Witte 2007-7-11 502 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC81905  Gayophytum humile Thomas W. Nelson 1979-7-11 4993 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC55166  Gayophytum ramosissimum Gilbert Muth 1979-8-1 12157 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC14650  Genista monspessulana Francis Winter 1960-3-26 Humboldt Samoa Pennisula, 3 mi. N of U.S. Coast Guard Station. Comment
  JEPS47044  Gentiana affinis var. ovata Joseph P. Tracy 1930-7-27 9110 Humboldt Bear River Ridge North Coast Ranges 609 Comment
  JEPS47047  Gentiana affinis var. ovata W. L. Jepson 1902-8-1 2134 Humboldt Loleta 60 Comment
  UC153980  Gentiana sceptrum J. P. Tracy 1900-8-26 930 Humboldt immediately vicinity Eureka 0 Comment
  UC1197402  Geranium carolinianum Joseph P. Tracy 1935-5-25 13875 Humboldt Fort Seward 106 Comment
  UC1198952  Geranium core-core Joseph P. Tracy 1909-5-23 2977 Humboldt Eureka Northern Coast Region 0 Comment
  HSC8644  Geranium dissectum W. D. Stevens 1967-7-14 36 Humboldt Along Bear Creek, 1 mi. upstream from new Hwy. 101 bridge. Comment
  HSC95593  Geranium dissectum Andrea Pickart 2002-5-24 110 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  UC169882  Geranium molle Harley P. Chandler May 1901 1124 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC1198960  Geranium oreganum Joseph P. Tracy 1935-5-25 13880 Humboldt Fort Seward 106 Comment
  UC1198722  Geum macrophyllum Joseph P. Tracy 1936-8-7 15086 Humboldt head of Little Hors-Linto Creek, Trinity Summit Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  CAS-BOT-BC226147  Gilia capitata subsp. pacifica Doris K. Kildale 1925-6-28 1372 Humboldt Kneeland Prairie - bald hills 762 Comment
  CAS-BOT-BC226151  Gilia capitata subsp. pacifica Doris K. Kildale 1927-5-15 3295 Humboldt Mattole River Valley Comment
  CDA40044  Gilia capitata subsp. pacifica Gordon Leppig 2003-6-25 1990 Humboldt The Pacific Lumber Company, THP 1-02-306 HUM. East side headwaters of Brushy Creek. Comment
  RSA23650  Gilia capitata subsp. pacifica C. B. Wolf 1939-7-8 9519 Humboldt Devil's Gate, south of Cape Mendocino. 8 Comment
  HSC100592  Gilia grandiflora Carl C. Marshall Jun 1886 314 Humboldt Vicinity of Hoopa. Comment
  HSC16991  Gilia millefoliata J. Mustain 1963-4-20 41 Humboldt Big Lagoon Park Comment
  JEPS37565  Glebionis segetum W. L. Jepson and W. W. Mott 1903-6 2225 Humboldt bluff tops overlooking sea at Caspar 18 Comment
  HSC62745  Glehnia littoralis subsp. leiocarpa J. M. DiTomaso 1979-5-20 1050 Humboldt Sand at Big Lagoon Park, 8 mi. N of Trinidad Comment
  RSA246750  Glehnia littoralis subsp. leiocarpa R. F. Thorne, P. Everett 1965-8-7 35218 Humboldt Samoa Peninsula. 3 Comment
  UC140694  Glehnia littoralis subsp. leiocarpa unknown 1904-8-23 Humboldt peninsula - Eureka Eureka Comment
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Feb 1 2013
  UC21300  Glehnia littoralis subsp. leiocarpa Harley P. Chandler May, 1901 1145 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  HSC34278  Glyceria elata Ken Irwin 1975-8-13 Humboldt Grogans Hole Area Comment
  HSC58552  Glyceria elata Overton, Butler 1979-7-24 9814 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  RSA167276  Gnaphalium involucratum Joseph P. Tracy 1948-9-26 18232 Humboldt Humboldt County: at S end of Fickle Hill, 6 miles SE of Arcata Comment
  HSC58110  Gnaphalium palustre G. L. Clifton, Griswold 1979-8-1 12058 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC582518  Gnaphalium palustre Joseph P. Tracy 1933-8-30 13043 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  POM247117  Gnaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt Fickle Hill, 6 miles SE of Arcata. 610 Comment
  POM199562  Gnaphalium sphaericum Joseph P. Tracy 1915-9-12 4677 Humboldt Humboldt County: mouth of Laribee Creek. 61 Comment
  POM261473  Gnaphalium sphaericum Joseph P. Tracy 1940-8-11 16694 Humboldt Trinity River Valley near Raccoon Creek. 152 Comment
  CAS-BOT-BC304730  Grindelia hirsutula John Thomas Howell 1931-6-16 6713 Humboldt 5 miles south of Garberville Comment
  CAS-BOT-BC304746  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  CAS-BOT-BC304756  Grindelia hirsutula Mary O'Conor 1921-9-26 s.n. Humboldt Eureka Comment
  HSC49096  Grindelia hirsutula Patricia Shesgreen 1978-7-30 119 Humboldt Sea Lion Gulch, 50 yards from ocean along stream bank Comment
  HSC79171  Grindelia hirsutula C. K. Geldin-Meyers 1985-8-5 101 Humboldt Mouth of Davis Creek, S of Cape Mendocino 3 Comment
  HSC89904  Grindelia hirsutula Leonel Arguello 1989-7-14 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. Comment
  UC1223104  Grindelia hirsutula Joseph P. Tracy 1947-10-6 17941 Humboldt along highway at Smith Point Bridge (4 mi s of Garberville) Comment
  POM264515  Grindelia stricta var. stricta H. E. Parks 1941-08 24190 Humboldt Big Lagoon. Comment
  JEPS67940  Hackelia bella H. W. Grinnell 1932-7-22 Humboldt near Blake Lookout; South Fork Mountain Comment
  UC1222252  Hackelia californica Joseph P. Tracy 1948-8-15 18154 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity nSummit 1524 Comment
  HSC56934  Hackelia micrantha G. L. Clifton, Butler 1979-7-26 9370 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  CAS-BOT-BC508213  Hastingsia alba Joseph P. Tracy 1926-6-20 7633 Humboldt Wet or seepy ground, serpentine formation, Horse Mountain 1463 Comment
  HSC58345  Helenium bigelovii Overton, Butler 1979-8-2 12673 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC76206  Helenium bigelovii Overton, Butler 1979-8-2 12532 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  SEINET5711017  Helenium bigelovii Lowell E. Urbatsch 1990-1 6798 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the rd. to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this road (FS 7 NO4) travel 1.5 miles to another fork; continue on 7NO4N (the left fork) for 7.4 miles. At this point, take 7N04N, the road to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  UC582769  Helenium bolanderi H. E. Parks and Joseph P. Tracy 1937-7-16 15431 Humboldt Trinidad 60 Comment
  RSA695692  Helenium puberulum J. R. Bruff 1937-8-17 943 Humboldt Richardson Grove. Comment
  UCD132967  Helminthotheca echioides Collector unknown Date Unknown s.n. Humboldt exact location unknown. Comment
  RSA255769  Hemitomes congestum Gary D. Wallace 1973-7-11 1252 Humboldt Prairie Creek Redwoods St. Pk. north of Orick. SE of the residences across the road from park hdqrs. just in the treeline. Comment
  HSC39616  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-15 2720 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC73539  Hemizonella minima Gail Newton 1980-7-14 1475 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC75949  Hemizonella minima Overton, Butler 1979-7-24 9709 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CAS-BOT-BC306035  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Northern Coast Ranges. Dobbyn Creek 152 Comment
  CAS-BOT-BC306038  Hemizonia congesta subsp. clevelandii Doris K. Kildale 1925-8-2 1308 Humboldt Head of South Yager Creek 914 Comment
  CAS-BOT-BC306181  Hemizonia congesta subsp. congesta David D. Keck 1944-7-11 5497 Humboldt Cape Mendocino 3 Comment
  JEPS25616  Hemizonia congesta subsp. tracyi Rimo Bacigalupi 1959-7-7 7249 Humboldt immediately behind headland of Cape Mendocino (steep grade of coast road, just s of road summit at this point) 30 Comment
  LA203693  Hemizonia congesta subsp. tracyi S. K. Harris; 1936-6-20 sn Humboldt above Van Duzen River about 1 mi. W of Bridgeville Comment
  HSC55856  Heracleum maximum G. L. Clifton, Terry Griswold 1979-7-25 10845 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC56258  Heracleum maximum G. L. Clifton, Terry Griswold 1979-8-2 12401 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1212422  Hesperolinon micranthum Joseph P. Tracy 1925-7-12 7202 Humboldt hillsides w of Trinity River Valley (near the South Fork); Northern Coast Ranges 304 Comment
  HSC99566  Heterocodon rariflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 231 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  HSC18664  Heteromeles arbutifolia R. J. Vernimen 1963-4-27 27 Humboldt 9 mi. S of Willow Creek, Grouse Mtn. area Comment
  HSC28930  Heteromeles arbutifolia Diane Johnson 1972-12-4 Humboldt Butler Valley near Big Bend Rd. Comment
  UC666828  Heteromeles arbutifolia Joseph P. Tracy 1937-7-11 15414 Humboldt Garberville 152 Comment
  RSA507772  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-18 8529 Humboldt Near Myer's Flat; S fork Eel River at US 101. Comment
  UC205160  Heterotheca oregona var. rudis Joseph P. Tracy 1919-9-27 5305 Humboldt near Mouth of Willow Creek (gravel bar of Willow Creek); Northern Coast Ranges, Valley of the Trinity River, Willow C 152 Comment
Read comments
Jul 15 2016
  HSC70966  Heuchera micrantha Gail Newton 1980-7-15 1582 Humboldt Near Sims Mtn. 1311 Comment
  UC535765  Heuchera micrantha var. diversifolia Eleanor Armstrong 1934-5-17 Humboldt Richardson Grove 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
  RSA595781  Hieracium albiflorum R. S. Woglum 1931-7-15 24 A Humboldt Outer Coast Ranges, Sequoia Park. Comment
  UC166096  Hieracium albiflorum Joseph P. Tracy 1911-7-6 3351 Humboldt along road between 3 creeks and mouth of Willow Creek 762 Comment
  RSA168836  Hieracium bolanderi Joseph P. Tracy 1947-7-9 17849 Humboldt Horse Mountain 1432 Comment
  HSC44090  Hieracium greenei Thomas W. Nelson, Jane P. Nelson 1977-8-6 3714 Humboldt Along the lower S slope of Mt. Lassic (Signal Peak) 1494 Comment
  CAS-BOT-BC316006  Hieracium nudicaule Henry M. Pollard 1943-8-1 s.n. Humboldt New Orleans Comment
  POM160893  Hierochloe occidentalis Joseph P. Tracy 1918-4-21 4882 Humboldt Around Humboldt Bay, old Kneeland Road 305 Comment
  HSC36309  Hippuris vulgaris David Sohrakoff 1972-11-12 1 Humboldt Clam Beach ponds Comment
  HSC95385  Hippuris vulgaris Andrea Pickart 2002-7-19 185 Humboldt Arcata Marsh in Log Pond 10 Comment
  UC183602  Hippuris vulgaris Joseph P. Tracy 1912-7-7 3737 Humboldt ditch at Bucksport (Humboldt Bay Region); Northern Coast Region, , Bucksport 0 Comment
  HSC81934  Holcus lanatus Thomas W. Nelson, Jane P. Nelson 1979-7-3 4959 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC99581  Holcus lanatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 246 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
  POM232313  Holcus lanatus I. L. Wiggins 1930-6-25 4614 Humboldt Sand dunes 2 miles north of Samoa. Comment
  UCD84972  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka. 30 Comment
  OBI10169  Holodiscus discolor Carl B. Wolf 1937-8-13 9227 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  LA83708  Holodiscus discolor O. H. Kappler; 1946-7-24 1372 Humboldt Humboldt Bay, close to beach Comment
  HSC58607  Hordeum brachyantherum G. L. Clifton, Griswold 1979-7-25 10949 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC101474  Hordeum brachyantherum subsp. brachyantherum J. P. Smith 2010-5-29 12887 Humboldt Eureka. Abandoned railroad right-of-way along Railroad Ave., just south of its junction with West 14th. 2 Comment
  UC418997  Hordeum brachyantherum subsp. brachyantherum Parks and Tracy 1925-6-1 2767 Humboldt coatal plain around Humboldt Bay (Eureka); , Ereka Comment
  UC552784  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1935-5-25 13864 Humboldt Fort Seward 106 Comment
  HSC96225  Horkelia tridentata var. flavescens Eric Schori, Kazuyuki Ishimaru 2005-6-24 15 Humboldt Titlow Hill Rd. S of Hwy. 299, Buck Flat 1595 Comment
  HSC100515  Hosackia brachycarpa Carl C. Marshall May 1887 415 Humboldt Dry hillsides, S Humboldt. Comment
  HSC70929  Hosackia crassifolia R. York 1980-5-18 581 Humboldt Near Black Mtn. 792 Comment
  HSC97436  Hydrocotyle ranunculoides Ivy Watson 2008-9-28 33 Humboldt Beach N of river mouth, along small tributary E of sand dunes 4 Comment
  HSC21513  Hydrocotyle ranunculoides R. L. Jarvis 1962-4-29 34 Humboldt Clam Beach Lagoons, 0.5 mi S of Little River on Hwy 101 0 Comment
  UC1239766  Hydrophyllum occidentale Joseph P. Tracy Jul 16 1930-Jul 19 1930 9085 Humboldt South Fork Mountain Northern Coast Ranges (near McKay Camp) 1676 Comment
  POM258591  Hydrophyllum occidentale Lincoln Constance, A. A. Beetle, Joseph P. Tracy 1940-5-17 2618 Humboldt NW slope, Lower slopes of Buck Mtn, near Eureka. 793 Comment
  HSC13539  Hydrophyllum tenuipes R. D. Zortman 1963-5-12 40 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  HSC13541  Hydrophyllum tenuipes H. E. Parks, J. P. Tracy 1930-5-25 863 Humboldt Van Duzen River 305 Comment
  UC1198411  Hypericum anagalloides Joseph P. Tracy 1913-7-13 4358 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  CAS-BOT-BC411326  Hypericum calycinum Robert F. Thorne; P. Everett 1965-8-9 35315 Humboldt Clam Beach County Park 3 Comment
  UC1198419  Hypericum formosum var. scouleri J. P. Tracy 1898-7-5 249 Humboldt near Ryan's Slough School House on Worthington Prairie (immediate vicinity of Eureka) 0 Comment
  CAS-BOT-BC401236  Hypericum perforatum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CHSC32701  Hypericum perforatum J. P. Smith; Steve Selva 1970-6-14 3831 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  UC1198399  Hypericum perforatum Joseph P. Tracy 1934-7-2 13290 Humboldt Trinidad 3 Comment
  HSC67967  Hypericum perforatum J. P. Smith 1973-5-26 6830 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC166805  Hypochaeris radicata J. P. Tracy 1900-7-22 906 Humboldt immediate vicinity Eureka 0 Comment
  RSA170251  Iliamna latibracteata Joseph P. Tracy 1949-9-1 18525 Humboldt Willow Creek Canyon, along Trinity Hwy 762 Comment
  RSA20726  Iliamna latibracteata Carl B. Wolf 1937-9-11 9322 Humboldt Redwood Hwy 3 miles north of Orick (Davison s Ranch on Prairie Creek) 61 Comment
  HSC79354  Iris chrysophylla T. Jimerson, J. Pageau 1980-5-16 900 Humboldt Orleans, on FS Rd. 12N21 where it joins FS Rds. 11N30 and 11N38, Orleans Rd., ridge saddle 915 Comment
  CHSC68561  Iris douglasiana Vernon H. Oswald 1997-4-29 8355 Humboldt Humboldt Bay NWR, Hookton Slough Trail on the levee along the south side of Hookton Slough. 0 Comment
  HSC33061  Iris douglasiana Thomas W. Nelson 1974-5-7 1240 Humboldt Beside the old Kneeland Rd. Comment
  JEPS17241  Iris douglasiana Lincoln Constance 1934-5-31 763 Humboldt from w boundary of park to Grasshopper Pk. (Squaw Cr.) (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  SEINET12056852  Iris douglasiana H. P. Chandler 1901-1 1262 Humboldt Redwood Belt 457 Comment
  UCSC000156  Iris douglasiana H. L. Person 1931-7-30 s.n. Humboldt Eureka, Fieldbrook Comment
  HSC104075  Iris purdyi S. Carothers 2001-6-7 Humboldt Six Rivers National Forest; Lassics Botanical Area; below blue serpentine ridge, above Rd. 1S11 1585 Comment
  RSA135933  Iris purdyi Lee W. Lenz, E. K. Balls 1955-5-16 20743 Humboldt 2.3 miles southeast of Upper Mattole, on Old Coast Road to Ettersburg 91 Comment
  UC673161  Iris tenax subsp. klamathensis Lincoln Constance and Reed C. Rollins 1942-5-12 2893 Humboldt 2 mi. n. Orleans (Klamath River); Klamath-Siskiyou Region, Klamath River 121 Comment
  HSC39393  Iris tenuissima D. E. Anderson, J. P. Smith 1971-7-6 - 1280 Humboldt Horse Mtn. Comment
  UC14929  Iris tenuissima Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC175827  Iris tenuissima Joseph P. Tracy 1913-6-22 4263 Humboldt opposite, Dinsmore's Ranch, in valley of Van Duzen River Buck Mountain; Northern Coast Ranges, Van Duzen River 762 Comment
  HSC44786  Iris tenuissima Maralyn O'Meara 1972-6-8 96 Humboldt Along Bald Hills Rd., 8 mi. E of junction with Hwy. 101 Comment
  RSA120727  Isatis tinctoria S. S. Tillett 1956-7-6 606 Humboldt Above Klamath River, along Ishi Rish Road, 1 mi N of Orleans. 168 Comment
  UCD115205  Isatis tinctoria S. S. Tillett 1956-7-6 606 Humboldt Above Klamath River, along Ishi Rish Road, 1 mi. n. of Orleans. 167 Comment
  CAS-BOT-BC69936  Isoetes howellii Joseph P. Tracy 1930-6-15 8746 Humboldt Larrabee Creek, near Bosworth's. 457 Comment
  HSC91621  Isolepis setacea E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  UC1173657  Jaumea carnosa Joseph P. Tracy 1939-8-6 16399 Humboldt Big Lagoon 6 Comment
  JEPS93182  Jaumea carnosa Margriet Wetherwax and Kevin Downing 1993-8-9 2463 Humboldt n Eureka (along n side of slough, Jacobs St. turn-off of 101N just beyond bridge over slough, between 2 Peterbilt warehouses); Eureka Slough 5 Comment
  CHSC43010  Juncus breweri L. P. Janeway 1987-7-31 2538 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  UC1152115  Juncus bufonius Joseph P. Tracy 1930-10-19 9233 Humboldt near Alton; Eel River Comment
  HSC102141  Juncus confusus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1046 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UCD141540  Juncus ensifolius Joseph P. Tracy 1937-8-7 15619 Humboldt Bald Mountain; east of Korbel. About a mile north of Murphy meadow. Comment
  CHSC110174  Juncus falcatus subsp. sitchensis Peter F. Zika 2007-6-30 23319 Humboldt SW corner of Big Lagoon, (NCo, North Coast). 2 Comment
  RSA168868  Juncus falcatus var. falcatus Joseph P. Tracy 1938-7-6 16019 Humboldt Big Lagoon Comment
  UC249812  Juncus falcatus var. falcatus Joseph P. Tracy 1924-7-13 6723 Humboldt Big Lagoon Northern Coast Region 6 Comment
  HSC67457  Juncus patens J. P. Smith 1971-10-9 5034 Humboldt Mad River above the Fish Hatchery. Comment
  CAS-BOT-BC154066  Juncus planifolius Peter F. Zika 2008-10-19 24229 Humboldt E side of Route 101, near Exit 728 for Trinidad Beach 110 Comment
  NY790279  Keckiella corymbosa J. P. Tracy 1937-7-11 15422 Humboldt Vicinity of Garberville Comment
  RSA44301  Keckiella lemmonii H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. Trail. 1524 Comment
  UC577410  Keckiella lemmonii Joseph P. Tracy 1934-8-14 13582 Humboldt near mouth Bull Creek; South Fork of Eel River 60 Comment
  UC35327  Kelloggia galioides Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  BLMAR47  Koeleria macrantha Brad Barr June, 1982 47 Humboldt King range, HJ Comment
  CAS-BOT-BC499191  Kopsiopsis strobilacea C. Young 1967-5-15 s.n. Humboldt Orleans Comment
  HSC14215  Lamium purpureum D. E. Anderson 1962-3-18 1945 Humboldt Corner of Hwy. 101 and Hwy. 299 Comment
  HSC89711  Lamium purpureum Larry Levine, Manuel Pachero, Ben Murphey 1989-2-24 1 Humboldt HSU campus, garden plot SW of Buckhouse 40 Comment
  UC302193  Lapsana communis Joseph P. Tracy 1926-6-6 7553 Humboldt Bair's on Redwood Creek Northern Coast Ranges, Redwood Creek 304 Comment
  CAS-BOT-BC337991  Lasthenia californica Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC337997  Lasthenia californica Doris K. Kildale 1928-5-31 5115 Humboldt Chalk Mountain Comment
  HSC35036  Lasthenia californica Thomas W. Nelson 1975-5-24 1859 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1199130  Lasthenia californica subsp. californica Joseph P. Tracy 1921-6-12 5819 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC86123  Lathyrus glandulosus S. L. Broich 1981-6-9 1146 Humboldt 8.5 km NE of Freshwater-Kneeland Rd. on the road to Maple Creek Comment
Read comments
Nov 6 2012
  UC1199082  Lathyrus jepsonii var. californicus Joseph P. Tracy 1936-6-17 14964 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  UCD106331  Lathyrus jepsonii var. californicus W. A. Williams 1951-6-14 s.n. Humboldt Humboldt County. Comment
  CHSC110806  Lathyrus littoralis Dean Wm. Taylor 2013-5-9 21346 Humboldt North Coast. Highway 101 about 5 road miles South of Orick, beach west of the highway, opposite Freshwater Lagoon. 2 Comment
  UC494114  Lathyrus littoralis H. E. Parks 1930-5-24 798 Humboldt Little River Lagoon Comment
  BLMAR60  Lathyrus littoralis Jennifer Anthony-Wheeler 1994-3-31 60 Humboldt King range, growing on matole beach1/4miS of campground.dense mat of like individuals 12 Comment
  UC198655  Lathyrus littoralis Joseph P. Tracy 1917-5-30 4802 Humboldt Little River Beach Northern Coast Region 6 Comment
  HSC33416  Lathyrus nevadensis var. nevadensis Thomas W. Nelson 1974-5-30 1346 Humboldt Along Hoopa-Redwood Valley Rd. Comment
  UC176288  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1913-6-17 4172 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  UC302108  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1926-5-2 7444 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  UC709416  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1935-7-25 14247 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  CAS-BOT-BC205044  Lathyrus palustris Kenneth Clark 1980-3-27 560 Humboldt Shelter Cove. South of Dead Man's Gulch 182 Comment
  HSC14753  Lathyrus palustris J. P. Tracy 1907-7-20 2593 Humboldt Near Samoa Comment
  UC1191473  Lathyrus palustris Malcolm A. Nobs and S. Galen Smith 1949-8-3 1187 Humboldt s outskirts Eureka Comment
  HSC100519  Lathyrus polyphyllus Carl C. Marshall Mar 1886 147 Humboldt Near Mad River. Comment
  RSA168909  Lathyrus polyphyllus Joseph P. Tracy 1951-6-16 19469 Humboldt Happy Camp Mountain. In Trinity Summit Range, 6 miles northeast of Hawkins Bar. On the Takilma-Happy Camp Road. 1280 Comment
  UC1222413  Lathyrus polyphyllus Joseph P. Tracy 1951-6-16 19469 Humboldt 6 mi ne Hawkins Bar (on the Takilma-Happy Camp Road, near State Line); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC15347  Lathyrus polyphyllus H. N. Bolander 1866-1 6508 Humboldt Little Bear Harbor Comment
  UC303183  Lathyrus polyphyllus Joseph P. Tracy 1923-6-22 6344 Humboldt Bald Mt. Northern Coast Ranges 914 Comment
  UC1222402  Lathyrus torreyi Joseph P. Tracy 1943-7-18 17430 Humboldt East Fork of Willow Creek, Willow Creek Canyon, along Trinity Highway Willow Creek Canyon Comment
  HSC15978  Lavatera cretica D. E. Anderson 1962-10-22 2341 Humboldt Samoa Comment
  HSC24421  Lavatera cretica Wilbur Peterson 1972-5-9 717 Humboldt Samoa peninsula, along road leading to Samoa Cookhouse Comment
  HSC26331  Layia carnosa Thomas W. Nelson 1971-4-16 381 Humboldt On dunes along the Samoa Peninsula adjacent to the Coast Guard Station Comment
  HSC39959  Layia carnosa Linda M. Barker 1976-4-13 1377 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  CAS-BOT-BC321697  Layia gaillardioides Joseph P. Tracy 1936-6-9 14875 Humboldt Bear River Ridge 609 Comment
  RSA15571  Leontodon nudicaulis C. B. Wolf 1927-8-28 1188 -A Humboldt Eureka Bay, on the road to Arcata. Comment
  CAS-BOT-BC339128  Leontodon saxatilis subsp. saxatilis Carl B. Wolf 1927-8-22 777 Humboldt Big Lagoon Comment
  HSC90241  Leontodon saxatilis subsp. saxatilis Jean Hanson 1980-5-24 64 Humboldt Indian (Gunther) Island in Humboldt Bay, city of Eureka, W end of island, S of dike Comment
  HSC91909  Leontodon saxatilis subsp. saxatilis E. Mackey 1986-10-7 Humboldt Patrick's Point State Park; near Penn Creek Campground Comment
  UC1239531  Leontodon saxatilis subsp. saxatilis Joseph P. Tracy 1921-7-10 5848 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  JEPS53711  Lepidium nitidum Joseph P. Tracy 1918-5-5 4927 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC161584  Lepidium nitidum Joseph P. Tracy 1908-6-8 2642 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC12875  Lepidium strictum Kenneth Clark 1981-5-2 1362 Humboldt Shelter Cove. Point Delgada. In parking lot of Mario's Marina. 15 Comment
  CAS-BOT-BC12986  Lepidium virginicum Henry M. Pollard 1946-8-10 s.n. Humboldt South of Klamath River and east of Perch Creek. Orleans Region. Comment
  HSC71061  Leptosiphon bicolor Thomas W. Nelson, Jane P. Nelson 1980-5-30 3395 Humboldt McKeown Ranch along rd. to Anderson's Ford 854 Comment
  UC1225825  Leptosiphon latisectus Joseph P. Tracy 1948-6-13 18048 Humboldt 2 mi n Harris 609 Comment
  UC205156  Lessingia nemaclada Joseph P. Tracy 1919-9-14 5211 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC71378  Leucanthemum vulgare J. P. Smith 1971-10-6 4949 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC1199275  Leucanthemum vulgare Joseph P. Tracy 1918-7-21 5080 Humboldt around Humboldt Bay; Humboldt Hill 152 Comment
  JEPS14227  Ligusticum apiifolium Joseph P. Tracy 1937-8-15 15666 Humboldt 4 mi. e. Orick (Gans Prairie); Gans Prairie 548 Comment
  UC154077  Ligusticum apiifolium Joseph P. Tracy 1906-6-24 2505 Humboldt near top Humboldt Hill; Northern Coast Region, Humboldt Bay 0 Comment
  UC642267  Ligusticum californicum Joseph P. Tracy 1937-8-12 15633 Humboldt Snow Camp 1402 Comment
  SEINET231011 Image available Ligusticum grayi A. Tiehm 1985-7-26 10005 Humboldt Santa Rosa Range seep at the head of Morey Creek E of Ridge crest at S end of range Comment
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Oct 28 2014
  JEPS17499  Lilaeopsis occidentalis W. L. Jepson 1921-8-7 9333 Humboldt Stone Lagoon Comment
  UC176172  Lilium columbianum Joseph P. Tracy 1913-9-9 4395 Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  HSC26820  Lilium columbianum Clifton Raymond Chesbrough 1973-6-19 98 Humboldt 0.5 mi. N of College Cove along coast Comment
  RSA259541  Lilium columbianum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2032 Humboldt Bald Hills Road just east of Redwood National Park Comment
  RSA766918  Lilium columbianum Joseph M. Keefe 1967-7-8 1876 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 2 Comment
  HSC57160  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-26 9959 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC75488  Lilium pardalinum subsp. pardalinum J. O. Sawyer 1980-7-18 3627 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC132959  Lilium rubescens A. M. Vollmer; L. Beane 1951-6-11 135 Humboldt Bridgeville Comment
  UC1198230  Lilium rubescens Joseph P. Tracy 1914-9-6 4616 Humboldt Bald Mountain Northern Coast Ranges (between High Prairie and Snow Camp) 1066 Comment
  UCR39794  Lilium rubescens D. K. Imper 1983-7-11 s.n. Humboldt Six Rivers National Forest. Forest Service Road 10N14 c. 2 mi north of junction with 13N01, north of Blue Lake 762 Comment
  CAS-BOT-BC133013  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1925-7-2 969 Humboldt Bug Creek, Buttes 1219 Comment
  HSC100568  Limnanthes douglasii Carl C. Marshall Jun 1887 68 Humboldt Damp soils throughout Humboldt. Comment
  HSC45270  Limnanthes douglasii M. Alcasas 1978-6-3 118 Humboldt On Titlow Hill Rd., 1.3 mi. from Hwy. 299 1463 Comment
  UC1005676  Limnanthes douglasii Frank W. Gould 1939-5-30 836 Humboldt about 25 mi due e Eureka (near top of mt., in pasture near ski hut); Horse Mountain 335 Comment
  HSC97634  Limnanthes douglasii subsp. nivea Cara Witte 2007-6-4 191 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  BLMAR427  Limonium californicum Clara Sander 2004-9-27 427 Humboldt South Spit, east side of road 4 Comment
  UC146049  Linanthus androsaceus P. E. Goddard 1907-5-26 100 b Humboldt Van Duzen Comment
  UC702549  Linanthus androsaceus C. C. and S. K. Harris 1942-6-17 1272 Humboldt 1 mi n and 3 mi e Chalk 665 Comment
  SFV18546  Linaria canadensis E. Cohen 2002-4-15 23 Humboldt Eureka. Comment
  RSA46839  Linaria vulgaris Doris K. Kildale 1926-6-4 2090 Humboldt Trinidad. Comment
  CDA6373  Linaria vulgaris E. C. Whitney 1964-8-12 Humboldt Zuber property, Orick. 0 Comment
  RSA0087554  Linnaea borealis subsp. longiflora Joseph P. Tracy 1950-6-21 18857 Humboldt Willow Creek Canyon, along Trinity Highway, east of crossing of Cedar Creek. 762 Comment
  HSC15802  Linum bienne F. B. Plett 1963-4-9 15 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  UC1103033  Listera caurina Joseph P. Tracy 1932-7-20 10740 Humboldt Forks of Tish-Tang-a-tang Creek Trinity Summit 1219 Comment
  JEPS8444  Listera caurina Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3415 Humboldt ridge between Mad River and Redwood Creek; Snow Camp, Bald Mountain ridge 1432 Comment
  UC1196500  Lithophragma Harold E. Parks and Joseph P. Tracy 1942-5-16 11558 1/2 Humboldt vicinity Garberville 152 Comment
  CAS-BOT-BC435647  Lithophragma heterophyllum Joseph P. Tracy 1932-4-24 9827 Humboldt South fork of Eel River, between Miranda and Redway 91 Comment
  JEPS20905  Logfia filaginoides Joseph P. Tracy 1921-5-30 5489 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1199423  Logfia filaginoides Joseph P. Tracy 1927-5-8 7972 Humboldt grassy slopes facing South Fork Eel River; Philipsville 121 Comment
  JEPS20909  Logfia gallica Joseph P. Tracy 1935-5-30 13914 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  RSA296857  Lolium perenne subsp. multiflorum Lincoln Constance 1927-5-27 699 Humboldt Gravel bar of South Fork of Eel River, S. end of Dryerville Bridge 46 Comment
  UC50698  Lolium temulentum Joseph Burtt Davy 1899-6-20 5690 Humboldt Hupa Valley Comment
  HSC63835  Lomatium dasycarpum subsp. dasycarpum M. A. Baker 1979-6-26 911 Humboldt S facing ridge Comment
  HSC74190  Lomatium dissectum var. dissectum M. A. Baker 1980-7-23 3151 Humboldt Near Orleans Mtn. 1859 Comment
  HSC96294  Lomatium macrocarpum April A. Allard, Gregory D. O'Connell 2005-6-3 1 Humboldt White Oak Opening, 19.3 mi. S of Hwy. 299 on NF1 1246 Comment
  RSA119326  Lomatium martindalei S. Tillett 1956-7-6 627 Humboldt 12 miles from Orleans on road south from Bar Shanty road to east of Orleans 1174 Comment
  HSC97458  Lomatium nudicaule Cara Witte 2007-5-29 125 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  UC1438145  Lomatium tracyi Barbara Kelly 1978-5-1 587 Humboldt 1/4 mi from Horse Mountain Road 1/2 mi below turnoff to summit, near end of unused gravel road Comment
  UC1463743  Lomatium tracyi Barbara Kelly 1978-5-1 590 Humboldt 1/4 mi from Horse Mountain Road, 1/2 mi below turnoff to summit, near end of unused gravel road. Comment
  HSC70950  Lomatium utriculatum J. M. DiTomaso 1981-5-15 2006 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  JEPS2711 Image available Lomatium utriculatum W. L. Jepson 1934-5-8 16716 Humboldt Redway South Fork Eel River; Redway, S fork of Eel River Comment
  UC1197140  Lomatium utriculatum Joseph P. Tracy 1924-3-16 6626 Humboldt Northern Coast Ranges, Garberville 121 Comment
  HSC91605  Lonicera involucrata E. Mackey 1986-5-13 Humboldt Patrick's Point State Park. Comment
  UC1223442  Lotus aboriginus Joseph P. Tracy 1937-8-15 15668 Humboldt 10 mi se Orick (near Sherman Lyon's Ranch) Comment
  UC1223437  Lotus corniculatus Joseph P. Tracy 1938-6-7 15863 Humboldt n side Mad River (about 0.5 mi e of bridge on Trinity Highway) Comment
  HSC46017  Lotus corniculatus Catherine Chin 1978-8-5 100 Humboldt Arcata, side road on Spring St., between 16th and 17th Sts. 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
  HSC98117  Lotus denticulatus Cara Witte, Michael Scott 2007-6-22 343 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1/5 mile after intersection with 4N38. 1486 Comment
  HSC71602  Lotus humistratus M. A. Baker 1980-6-26 2417 Humboldt Near Sims Creek 610 Comment
  HSC97498  Lotus micranthus Cara Witte 2007-5-21 60 Humboldt White Oak Opening. 1257 Comment
  RSA168892  Lotus oblongifolius Joseph P. Tracy 1936-6-3 14856 Humboldt Lack Pond, in Trinity River Valley, opposite mouth of Willow Creek. Comment
  RSA20787  Lotus oblongifolius var. nevadensis Carl B. Wolf 1937-8-13 9252 Humboldt North Coast Range 11 mi. E. of Hoopa Valley on New Road towards Trinity Summit. 1524 Comment
  UC168699  Lotus scoparius J. P. Tracy 1912-7-23 3801 Humboldt 3 mi above mouth of South Fork of Eel River; South Fork of Eel River 30 Comment
  POM232036  Lotus unifoliolatus I. L. Wiggins 1930-7-22 4689 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  UC1197305  Lotus wrangelianus Joseph P. Tracy 1932-5-1 9844 Humboldt Alton, along Van Duzen River North Coast Ranges, Van Duzen River 30 Comment
  UC495720  Lotus yollabolliensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8945 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UCD107084  Ludwigia hexapetala Malcolm A. Nobs; S. Galen Smith 1949-8-9 1231 Humboldt On southern side of town of Blue Lake. Comment
  UC581692  Luina hypoleuca Joseph P. Tracy 1933-7-25 12900 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  SEINET11810522  Luina hypoleuca J. P. Tracy 1944-1 17489 Humboldt near Romanzoffia Creek, Willow Creek Canyon, along Trinity Highway 366 Comment
  RSA254752  Lupinus Thomas W. Nelson, James Nelson, A. Nelson 1973-5-28 955 Humboldt McKeown Ranch north of Dinsmore. Comment
  CAS-BOT-BC201190  Lupinus Charles Piper Smith 1947-7-11 47643 Humboldt Highway 101 - McKinleyville, 1.3 miles north Comment
  HSC96201  Lupinus albifrons var. collinus Wanda Naylor, Laurel Goldsmith 2005-6-24 13 Humboldt S of Grouse Mountain on NF1 1595 Comment
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Jan 16 2014
  CHSC19506  Lupinus arboreus Gary J. Sebbings 1970-4-18 64 Humboldt Along U.S. lol 1.0 mi north of Clam Beach exit. Comment
  HSC40973  Lupinus arboreus Linda M. Barker 1976-5-13 1494 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  HSC46963  Lupinus arboreus J. P. Smith, Thomas W. Nelson 1977-6-30 9218 Humboldt Samoa Peninsula just E of the drag strip. Comment
  RSA246779  Lupinus arboreus var. arboreus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35166 Humboldt Samoa Dunes. 3 Comment
  HSC31819  Lupinus latifolius Donald Spalinger 1974-4-25 24 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  HSC39678  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-6-16 2744 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  UC1223292  Lupinus latifolius var. viridifolius Joseph P. Tracy 1939-4-29 16252 Humboldt 2 mi below Orleans (nw side Klamath River); Klamath River, below Orleans 1219 Comment
  UC427882  Lupinus nanus H. E. Parks 1930-5-25 869 Humboldt Laribee Valley; in open meadows in Laribee Valley Comment
  JEPS61938  Lupinus onustus Joseph T. Gregory 1935-7-24 740 Humboldt open places at Corral Prairie; Trinity Summit, open places at Corral Prairie 1584 Comment
  SEINET10486156  Lupinus polycarpus Charles R. Gunn 1963-6-3 Gunn 2702 Humboldt 1/2 mi s of korbel on gravel road. In ditch along south mad river. Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC14860  Lupinus polyphyllus H. E. Parks, S. T. Parks May 1930 737 Humboldt Vicinity of Alton Comment
  RSA413832  Lupinus polyphyllus var. grandifolius Carl B. Wolf 1937-8-11 2906 Humboldt 1/2 mile east of Alton. 21 Comment
  UC157015  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1906-6-24 2495 Humboldt near Fields Landing; Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC179936  Lupinus rivularis Joseph P. Tracy 1914-6-14 4507 Humboldt Hydesville; North Coast Ranges 60 Comment
  POM276520  Lupinus rivularis Lyman D. Benson 1928-7-10 423 Humboldt Fortuna 30 Comment
  HSC76513  Lupinus tracyi T. Jimerson 1981-8-5 901 Humboldt 1829 Comment
  UC2983  Luzula comosa Harley P. Chandler May, 1901 1159 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay Comment
  HSC98641  Luzula comosa Cara Witte 2007-6-1 176 Humboldt Along Forest Service 5N10. 1.75 miles east of intersection with National Forest 1. 1365 Comment
  RSA368890  Luzula comosa var. laxa Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek Canyon, near Orleans. Comment
  UC249818  Luzula macrantha Joseph P. Tracy 1924-3-30 6630 Humboldt Northern Coast Ranges. Near Bridgeville 182 Comment
  SEINET11785711  Luzula multiflora H. E. Parks, Tracy, J. P. 1947-1 11643 Humboldt McKay Camp, South Fork Mountain 1676 Comment
  HSC58033  Luzula parviflora G. L. Clifton 1979-7-31 11867 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC63876  Luzula parviflora M. A. Baker 1979-6-29 959 Humboldt Hopkins Creek 750 Comment
  HSC23776  Lycopodium clavatum R. A. Vanbianchi 1971-9-24 90 Humboldt Near Fieldbrook. Comment
  SEINET3862856 Image available Lycopodium clavatum H. E. Parks, W. K. Parks 1932-7-30 01132 Humboldt Campp 21', Hammond Lumber Company, Trinidad.; 0 152 Comment
  UCR179284  Lysichiton americanus R. G. Swinney 1968-3-29 238 Humboldt East of Humboldt State College, Arcata 152 Comment
  UC1198468  Lythrum hyssopifolia Joseph P. Tracy 1917-6-19 4725 Humboldt forks of Dobbyn Creek, Northern Coast Ranges Dobbyn Creek; Northern Coast Ranges, Dobbyn Creek 182 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
  HSC43203  Lythrum hyssopifolia R. Sutherland 1976-8-13 17 .13876 Humboldt Gravel bar in Redwood Creek in Redwood grove. 87 Comment
  HSC78755  Lythrum hyssopifolia L. P. Janeway, Paul Wilson 1984-5-25 821 Humboldt N Spit of Humboldt Bay; BLM lands near the Coast Guard Station 5 Comment
  HSC90841  Lythrum hyssopifolia Leonel Arguello 1989-6-10 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata, at the end of the Fernstrom-Root trail, along W border of the salt marsh. Comment
  HSC100370  Lythrum salicaria L. D. Hoover 1996-4-29 Humboldt Along Hwy. 36, private property (Simmons). Comment
  UC494086  Madia elegans H. E. Parks and J. P. Tracy 1930-5-25 882 Humboldt Laribee Valley Comment
  CAS-BOT-BC342798  Madia elegans Carl B. Wolf 1927-8-28 1162 Humboldt On the Trinity River, 3 miles from Weitchpec Comment
  HSC54202  Madia exigua Griswold, Butler 1979-7-12 7242 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  BLMAR641  Madia exigua Jennifer Wheeler 2011-6-21 641 Humboldt Lacks Creek, Stormy saddle prairie 1158 Comment
  CAS-BOT-BC343029  Madia gracilis David D. Keck 1944-7-11 5500 Humboldt 12.3 mi. S.E. of Petrolia; halfway between upper Mattole and Honeydew, Mattole River 121 Comment
  HSC72617  Madia gracilis J. P. Smith 1977-7-3 9239 Humboldt Six Rivers National Forest, on Rd. to Onion Lake, 4.7 mi. from junction with Hwy. 36 610 Comment
  HSC96938  Madia gracilis Whitney Meier, Elizabeth Kimbrough 2007-6-11 6 Humboldt Cold Springs Camp, 14.1 mi S of Hwy. 299 on NF1 Comment
  JEPS40411  Madia gracilis W. L. Jepson 1902-7-1 1967 Humboldt at Berry's Ranch; Redwood Creek Comment
  UC495632  Madia gracilis Joseph P. Tracy 1932-7-13 10494 Humboldt at Corral Praire; Trinity Summit, Klammath Mountains 1524 Comment
  HSC40379  Madia sativa Linda M. Barker 1976-6-14 1592 Humboldt 3 mi. W of Arcata Comment
  HSC15589  Maianthemum dilatatum Wm. F. Bowman 1968-10-26 Humboldt Big Lagoon County Park, SW corner of Big Lagoon. Comment
  HSC45618  Maianthemum dilatatum Diane L. Reed 1978-4-29 37 Humboldt Trinidad Head Comment
  RSA376908  Maianthemum dilatatum Maude Minthorn s.n. Humboldt Ferndale Comment
  SD88360  Maianthemum dilatatum Darley F. Howe 1972-5-7 Humboldt Trinidad. Comment
  UC212989  Maianthemum dilatatum Joseph P. Tracy 1920-4-25 5316 Humboldt at Eureka Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC508502  Maianthemum dilatatum Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  CAS-BOT-BC508520  Maianthemum dilatatum Ella Dales Cantelow 1936-5-18 1354 Humboldt 5 miles north of Orick Comment
  HSC44336  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1975-6-17 675 Humboldt Horse Mtn. Comment
  HSC48830  Maianthemum racemosum subsp. amplexicaule Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 40 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC97962  Maianthemum racemosum subsp. amplexicaule Cara Witte 2007-6-13 259 Humboldt Along Forest Service Road 5N04. 1/4 mile east of spring near Grouse Mountain. 1564 Comment
  SEINET12051383  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -286 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  HSC34914  Maianthemum stellatum Thomas W. Nelson, James Nelson 1975-5-24 1844 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC60291  Maianthemum stellatum Phyllis Krieg 1979-4-28 Humboldt Azalea Park along trail, McKinleyville 30 Comment
  UCSB29355  Maianthemum stellatum Phelps, M. 1972-3-19 Humboldt 1.5 mi from Garberville along Old Brice- land Rd; 0.5 mi north of roadside 213 Comment
  HSC98525  Malacothrix clevelandii Cara Witte 2008-7-10 845 Humboldt National Forest 1. 2 miles north of intersection with Forest Service Road 4N09. 1267 Comment
  HSC70360  Malacothrix floccifera Gail Newton 1980-6-7 141 Humboldt Near Brush Mtn. 1128 Comment
  UC14182  Malus fusca W. C. Blasdale 1896-6-1 Humboldt Freshwater Comment
  UCR51832  Marah oregana J. D. Ackerman 1975-6-10 451 Humboldt Humboldt Bay, c. 1 mi. north of Samoa bridge turnoff from Samoa Blvd., south of Manila Comment
  CDA30224  Medicago polymorpha M. K. Beyers, I. Shepardson 2009-9-13 246 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  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
  UC552700  Melica californica Joseph P. Tracy 1935-5-25 13888 Humboldt Dobbyn Creek; Northern Coast Ranges 152 Comment
  SEINET10599370  Melica californica Joseph P. Tracy 1913-6-18 Tracy 4195 Humboldt Gravelly grassy hillside, Dinsmore's Ranch, in valley of Van Duzen River opposite Buck Mountain. 762 Comment
  UC1145131  Melica fugax Joseph P. Tracy 1936-7-5 15041 1/2 Humboldt Grouse Mountain 1524 Comment
  UC180729  Melica geyeri Joseph P. Tracy 1913-6-20 4230 Humboldt lower nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UCD87340  Melica geyeri A. H. Murphy 1947-5-15 s.n. Humboldt Smith Ranch at Sherman Flat, ca. 3.5 miles north of Blocksburg. Comment
  CAS-BOT-BC240328  Melica harfordii Dana York; Kim Hayler 2012-5-18 3105 Humboldt Six Rivers National Forest, near Somes Bar, 585 meters SE of the confluence of the Klamath and Salmon rivers, E and above highway 96 215 Comment
  HSC26614  Melica harfordii J. P. Smith, Steve Selva 1970-6-14 3848 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC1132271  Melica harfordii H. S. Yates 1936-6-17 5721 Humboldt near Burr Valley; South Fork Pk. Quad. 914 Comment
  UC249876  Melica harfordii Joseph P. Tracy 1923-5-30 6243 Humboldt Dyerville North Coast Ranges, Eel River (along Eel River from South Fork to Scotia) 60 Comment
  UCD87570  Melica harfordii H. S. Yates 1936-6-17 5721 Humboldt Near Burr Valley. 914 Comment
  HSC102218  Melica subulata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1134 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC184006  Melica subulata Joseph P. Tracy 1906-4-15 2407 Humboldt about 4 mi from Korbel; Northern Coast Ranges, Bald Mtn. 457 Comment
  UC187219  Melica subulata Joseph P. Tracy 1911-6-4 3227 Humboldt along Litte River, 5 mi from coast Little River, North Coast 121 Comment
  UCD88643  Melica subulata A. H. Murphy 1951-5-15 s.n. Humboldt 3/4 mile south of South Fork on McCann Road. Comment
  HSC15521  Melilotus indicus M. J. Athey 1970-10-12 11 Humboldt Along the old road to Trinidad Comment
  HSC15012  Melilotus officinalis Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  JEPS79933  Mentha pulegium Joseph P. Tracy 1933-8-22 12985 Humboldt near Loleta; near Loleta 6 Comment
  HSC59  Mentha pulegium J. Wendell Howe 1931-6-19 Humboldt Redway Comment
  HSC32553  Mentzelia dispersa Thomas W. Nelson 1973-7-10 1033 Humboldt Humboldt-Trinity Co. line, Mt. Lassic (Signal Pk.) 1790 Comment
  HSC7849  Menziesia ferruginea subsp. ferruginea J. C. Reppas 1963-4-20 33 Humboldt 1 mi. N of Fickle Hill Rd. Comment
  UC427865  Micropus californicus var. californicus H. E. Parks 1930-5-25 872 Humboldt ridges above Laribee Valley Comment
  HSC102916  Microseris M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1087 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC322622  Microseris Joseph P. Tracy 1936-6-28 15027 Humboldt Lake Prairie, Baldt Mountain 1066 Comment
  UC1223043  Microseris laciniata subsp. laciniata Joseph P. Tracy 1947-6-8 17706 Humboldt by old Strong's District School House (5 mi e of town); Carlotta 60 Comment
  JEPS13224  Microseris laciniata subsp. leptosepala W. L. Jepson 1902-6 1942 Humboldt Redwood Creek, Green Point Ranch Comment
  HSC82042  Microsteris gracilis Thomas W. Nelson, James Nelson 1980-6-10 5410 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  HSC99590  Microsteris gracilis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 259 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
  HSC17187  Microsteris gracilis Elrid H. Spinas 1948-5-15 26 Humboldt Along rd. to Gouse Mtn. Lookout, 1 mi. from Hwy. 299 Comment
  HSC20679  Mimulus aurantiacus var. aurantiacus J. E. Lankila 1962-5-6 7 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  RSA550829  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1115 Humboldt Just N of Miranda. 0.1 mi s of bridge over Bridge Creek along Hwy 254 (parallels Hwy 101) 101 Comment
  UC147910  Mimulus breweri Joseph P. Tracy 1908-6 2844 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  HSC20712  Mimulus dentatus R. Spellenberg 1965-6-14 1133 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  JEPS22954  Mimulus dentatus Volney Rattan June 1882 Humboldt Humboldt Bay Comment
  UC418983  Mimulus dentatus H. E. Parks May 1930 Humboldt above Carlotta; Van Duzen River Comment
  UC162587  Mimulus floribundus Joseph P. Tracy 1911-7-6 3364 Humboldt along road between mouth of Willow Creek and Three Creeks (Koby's ranch); Northern Coast Ranges 762 Comment
  UC1011930  Mimulus grandis F. W. Pennell and J. P. Tracy 1940-7-8 26107 Humboldt e Eureka; Freshwater 9 Comment
  HSC97545  Mimulus guttatus Ivy Watson 2008-9-28 31 Humboldt Beach N of river mouth, along small tributary E of sand dunes 4 Comment
  UC582714  Mimulus inodorus Joseph P. Tracy 1935-7-23 14165 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  JEPS10788  Mimulus inodorus Joseph P. Tracy 1923-9-16 6551 Humboldt near South Fork; Trinity River Valley 182 Comment
  UCD21583  Mimulus kelloggii K. Esau 1935-4-23 s.n. Humboldt Ft. Seward. Comment
  HSC100673  Mimulus moschatus Carl C. Marshall Sep 1886 248 Humboldt Ravines, etc. Comment
  JEPS86687  Mimulus nanus var. nanus L. R. Heckard with T. I. Chuang 1990-7-15 6770 Humboldt below and s of road South Fork Mountain (summit of Blakes Mountain); , Blakes Mountain 1800 Comment
  UC1103339  Mimulus primuloides subsp. primuloides Joseph P. Tracy 1919-9-22 5266 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  HSC56054  Mimulus primuloides var. primuloides G. L. Clifton, Griswold 1979-7-31 11672 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1196786  Mimulus pulsiferae Joseph P. Tracy 1908-6 2698 Humboldt opposite Buck Mountain (along stream); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC249670  Minuartia cismontana Joseph P. Tracy 1922-4-30 5991 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  POM208986  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Lookout Point, Look Prairie; Bull Creek watershed; Humboldt Redwood Park. 381 Comment
  HSC36642  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1899 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC668119  Minuartia nuttallii subsp. gregaria Joseph P. Tracy 1935-7-30 14353 Humboldt Salmon Summit 1767 Comment
  HSC4063  Minuartia pusilla D. E. Anderson 1963-5-19 2469 Humboldt Kneeland Area Comment
  HSC55346  Mitella diversifolia Griswold, Butler 1979-7-12 7212 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1051581  Mitella trifida Joseph P. Tracy 1935-7-23 14151 Humboldt McKay Prairie Trinity Summit 1584 Comment
  HSC73710  Moehringia macrophylla M. A. Baker 1980-7-15 2979 Humboldt Near Whiting Ridge 301 Comment
  HSC74644  Moehringia macrophylla M. A. Baker 1980-5-17 1223 Humboldt Near Le Perron Peak 792 Comment
  UC1198327  Moehringia macrophylla Joseph P. Tracy 1927-6-12 8131 Humboldt Horse Mountain 1432 Comment
  HSC41204  Moehringia macrophylla Thomas W. Nelson, Jane P. Nelson 1977-6-19 3505 Humboldt Along creek draining N end of Pond above Alder Springs 1585 Comment
  HSC71820  Moehringia macrophylla Thomas W. Nelson, Jane P. Nelson 1980-6-27 5936 Humboldt Along old trail to pond above Alder Spring, 0.5 mi. N of campground 1555 Comment
  HSC97492  Moehringia macrophylla Cara Witte 2007-5-23 112 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1635 Comment
  HSC102085  Monardella odoratissima subsp. glauca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 989 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1239678  Monardella odoratissima subsp. pallida Joseph P. Tracy 1932-7-12 10436 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC40852  Monardella odoratissima subsp. pallida Thomas W. Nelson 1976-7-9 2997 Humboldt Along W side of ridge S of E peak of Lassic Mtn., (Signal Peak). 1524 Comment
  UCR15548  Monardella villosa subsp. subserrata George K. Helmkamp 1978-7-15 s.n. Humboldt Prairie Creek Redwoods State Park 305 Comment
  UC1239680  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15429 Humboldt vicinity Garberville 121 Comment
  UCD125294  Monardella villosa var. tomentosa D. Wiesendanger; F. Randall 1926-7-1 1547 Humboldt Richardson Grove, Redwood Highway. Comment
  UC34369  Monotropa hypopitys Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UC183608  Montia chamissoi Joseph P. Tracy 1913-6-17 4169 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  UC161062  Montia diffusa Joseph P. Tracy 1906-6-10 2487 Humboldt Kneeland Prairie, near Haughey's Mill Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 609 Comment
  UC183597  Montia fontana Joseph P. Tracy 1913-6-17 41621 1/2 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  CAS-BOT-BC445046  Montia linearis Mrs. H. C. Cantelow 1927-6-7 18 Humboldt Upper Mad River Comment
  HSC77395  Montia parvifolia L. P. Janeway 1983-5-21 301 Humboldt At East Fork USFS campground, W edge of flat canyon bottom 473 Comment
  HSC26877  Morella californica Clifton Raymond Chesbrough 1973-6-19 82 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  HSC75443  Muhlenbergia filiformis J. O. Sawyer 1980-7-18 3598 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UCD86803  Muhlenbergia mexicana Joseph P. Tracy 1916-9-5 4774 Humboldt South Fork of Eel River, 4 miles above the mouth. 60 Comment
  HSC3746  Myosotis discolor D. E. Anderson 1965-5-22 3720 Humboldt Road to Blocksburg, 3 mi. S of Bridgeville. Comment
  HSC77907  Myosurus minimus L. P. Janeway, Paul Wilson 1984-5-25 822 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  HSC31423  Myosurus minimus Rudy Becking 1974-5-5 Humboldt Samoa dunes near USCG Station Comment
  RSA47091  Myrica californica Doris K. Kildale 1926-11-28 2866 Humboldt Patrick s Point Comment
  HSC77877  Myriophyllum hippuroides J. M. Handley 1977-11-28 771128 .1 Humboldt Lake Prairie, Snow Camp Rd., E of Maple Creek 1067 Comment
  HSC99059  Navarretia capillaris Cara Witte 2007-7-8 436 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  UC1198600  Navarretia divaricata Joseph P. Tracy 1933-7-25 12858 Humboldt Grouse Mountain Northern Coast Ranges 1524 Comment
  HSC82413  Navarretia divaricata Thomas W. Nelson 1979-7-11 5033 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  UC133661  Navarretia divaricata subsp. vividior Joseph P. Tracy 1908-6 2721 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC32096  Navarretia intertexta D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5704 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC1198607  Navarretia intertexta Joseph P. Tracy 1934-7-9 13345 Humboldt Dobbyn Creek 152 Comment
  UC33918  Navarretia intertexta Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5674 C Humboldt Hoopa Mt. North Coast Ranges Comment
  HSC96932  Navarretia intertexta subsp. propinqua Elizabeth Kimbrough, Whitney Meier 2007-6-13 9 Humboldt Grouse Mtn., 1 mi. E of NF1 on USFS 5N04 1524 Comment
  JEPS70471  Navarretia squarrosa Joseph P. Tracy 1921-7-23 5857 Humboldt Dows Prairie Northern Coast Ranges, Dows Prairie 60 Comment
  UC52878  Navarretia tagetina Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pum Comment
  UC1103810  Nemophila heterophylla Joseph P. Tracy 1922-4-30 5987 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1103814  Nemophila menziesii Joseph P. Tracy 1923-6-24 6358 Humboldt Murphy Ridge Bald Mt., Murphy Ridge (Balt Mt.) 1066 Comment
  RSA74751  Nemophila menziesii var. atomaria Albert M. Vollmer, L. Beane 1951-6-6 122 Humboldt On road between Orick and Weitchpec. Comment
  CAS-BOT-BC219409  Nemophila parviflora Kenneth Clark 1980-3-23 533 Humboldt Shelter Cove. South fork Dead Man's [Deadman] Gulch 60 Comment
  UC146184  Nemophila pedunculata Joseph P. Tracy 1906-5-6 2434 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  UC562591  Nemophila pedunculata Joseph P. Tracy 1927-4-10 7890 Humboldt Berry's North Coast Ranges, Redwood Creek 274 Comment
  CDA20507  Noccaea fendleri subsp. californica P. Haggard 2004-8-3 PDR 1285924 Humboldt Northwestern California; Along Friday Ridge Rd in Blue Lake. 0 Comment
  HSC54573  Notholithocarpus densiflorus Overton, Butler 1979-7-24 9607 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UCD110212  Notholithocarpus densiflorus Joseph P. Tracy 1948-9-20 18224 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  UC144129  Nuphar lutea subsp. polysepala Harley P. Chandler May 1901 1236 Humboldt Mad River near Vance's, Humboldt Bay, North Coast Ranges Mad River; North Coast Ranges, Humboldt Bay, Mad River Comment
  CAS-BOT-BC400074  Nuphar polysepala L. R. Abrams 1918-6-16 7160 Humboldt Willow Creek Comment
  HSC40934  Nuttallanthus texanus Linda M. Barker 1976-4-30 1408 Humboldt 3 mi. W of Arcata Comment
  UC1198782  Oemleria cerasiformis Joseph P. Tracy 1913-3-30 4030 Humboldt near Eureka (at Stephen Hill place); Northern Coast Region 0 Comment
  CDA38487  Oenanthe sarmentosa Tario 1932-9-27 s.n. Humboldt Arcata. 0 Comment
  RSA246754  Oenanthe sarmentosa R. F. Thorne, P. Everett 1965-8-7 35179 Humboldt Big Lagoon, south end. 2 Comment
  UC1007123  Oenothera glazioviana P. A. Munz 1936-8-13 14384 Humboldt 7 mi e Arcata Comment
  POM224765  Oenothera glazioviana P. A. Munz 1936-8-13 14384 Humboldt 7 miles east of Arcata. Comment
  HSC92716  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-14 Humboldt S of Trinidad, behind Matson Home, just E of Hwy. 101 near Moonstone Beach Exit 46 Comment
  CAS-BOT-BC349969  Oreostemma alpigenum var. andersonii Doris K. Kildale 1925-8-16 1195 Humboldt Trinity Summit 1828 Comment
  HSC16684  Orobanche californica subsp. californica Jerry Parker 1968-10-26 205 Humboldt Big Lagoon, dredged sand-spit opposite Sphagnum bog. Comment
  SEINET200710  Orobanche californica subsp. californica Joseph P. Tracy 1918-7-1 4970 Humboldt Cape Mendocino southwestern slopes fronting the ocean three miles south of Point of the Cape 3 Comment
  HSC102539  Orthocarpus imbricatus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1525 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UCR45439  Osmorhiza chilensis Kenneth Clark 1980-4-18 576 Humboldt North Coast, Shelter Cove, on access trail to Dead Man's Gulch 52 Comment
  UC1197132  Osmorhiza occidentalis Joseph P. Tracy 1932-7-11 10420 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC12024  Oxalis corniculata D. Santana 1970-11-2 111 Humboldt G and 17th St., in city park lot. Comment
  HSC16703  Oxalis oregana D. E. Anderson 1961-8-11 1726 Humboldt E of Humboldt State University campus 30 Comment
  HSC16711  Oxalis oregana D. E. Anderson 1965-5-15 3689 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  UCR179287  Oxalis oregana R. G. Swinney 1968-3-8 216 Humboldt Arcata 152 Comment
  JEPS43153  Oxalis oregana Lincoln Constance 1934-5-23 605 Humboldt se slope mt.above Look Prairie; Bull Creek Region, South Fork Eel River Comment
  SD90203  Oxalis oregana Benjamin C. Stone 1952-6-20 113 Humboldt Holmes, on Highway 101 by Founders, Tree. Comment
  HSC64217  Oxalis trilliifolia J. O. Sawyer, M. A. Ericksen 1979-6-23 3384 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC79057  Packera macounii D. K. Imper 1983-7-12 659 Humboldt Blue Creek Mtn. Comment
Read comments
May 27 2013
  UC212875  Panicum acuminatum var. acuminatum Joseph P. Tracy 1920-8-15 5356 Humboldt Klamath River Bluff Creek; Northern Coast Ranges, Klamath River at Bluff Creek 152 Comment
  UCD88713  Panicum acuminatum var. fasciculatum A. H. Murphy 1948-9-14 Humboldt K-weed beetle field; Toby and Prior Ranch, south of Blocksburg. Comment
  UC1145036  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  HSC93730  Parapholis incurva Gordon Leppig, Sylvia Leppig 1998-5-25 788 Humboldt Big Lagoon State Park. 1 Comment
  UC1103408  Parapholis incurva Joseph P. Tracy 1938-7-15 16070 Humboldt mouth of Eel River 3 Comment
  HSC41014  Paxistima myrsinites J. P. Smith, J. O. Sawyer 1976-5-2 8636 Humboldt 8 mi. W of Loop Rd. on Hoopa Reservation along Redwood Creek-Hoopa Rd. Comment
  UC902220  Pedicularis densiflora Joseph P. Tracy 1941-3-26 16818 Humboldt at Willow Creek Willow Creek; Trinity River Valley 152 Comment
  POM301297  Pedicularis racemosa Joseph P. Tracy 1948-9-5 18170 Humboldt Happy Camp Mountain. In Trinity Summit Range, northeast of Hawkins Bar. 1280 Comment
  CAS-BOT-BC69340  Pellaea brachyptera Joseph P. Tracy 1937-7-24 15516 Humboldt Trinity Summit, Devil's Hole 1676 Comment
  HSC38091  Pellaea mucronata Thomas W. Nelson, James Nelson 1976-5-30 2612 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC20958  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt Near end of Forest Rd. from Hoopa towards Trinity Summit 1372 Comment
  HSC44545  Penstemon anguineus Brad Klipfel 1973-7-15 164 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55690  Penstemon anguineus Walter Overton, Marvin Butler 1979-7-26 9999 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1341 Comment
  HSC55753  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-7-26 10285 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  RSA46785  Penstemon anguineus Doris Kildale Gillespie 1937-8-12 15261 Humboldt South Fork Mountain. Comment
  UCR133559  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt near end of Forest Rd from Hoopa towards Trinity Summit 1372 Comment
  JEPS28975  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1940-5-5 16543 Humboldt Garberville Garberville (on river bar) 152 Comment
  HSC41280  Penstemon laetus subsp. sagittatus Brad Klipfel 1974-6-25 441 Humboldt Horse Mtn., along ridge running to the E of Horse Mtn. proper 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
  UC168978  Penstemon newberryi var. berryi Joseph Burtt Davy and Walter C. Blasdale Jun 21-23 1899 5860 Humboldt Trinity Summit North Coast Ranges Comment
  NY640969  Penstemon purpusii J. P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain Comment
  HSC32679  Penstemon purpusii Thomas W. Nelson 1973-7-10 1029 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  UC103111  Penstemon rattanii Volney Rattan June 1878 Humboldt Comment
  UC71525  Pentagramma triangularis subsp. triangularis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5733 Humboldt Supply Creek Comment
  JEPS14224  Perideridia howellii Joseph P. Tracy 1930-10-26 9237 Humboldt Valley of South Yager Creek 762 Comment
  SEINET12119282  Perideridia kelloggii J. P. Tracy 1950-1 19382 Humboldt Berry's Mountain, E of Redwood Creek on Trinity Highway 549 Comment
  CHSC118462  Petasites frigidus var. palmatus Richard R. Halse 2016-3-24 9684 Humboldt Along U.S. Hwy. 101 ca. 9.6 miles south of Orick. 8 Comment
  HSC6056  Petasites frigidus var. palmatus S. S. Stutz 1963-3-24 13 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  HSC37415  Phacelia bolanderi Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 517 Humboldt Along Lost Man Creek. 38 Comment
  RSA170270  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek. Along Eel River South Fork to Scotia. 61 Comment
  HSC23998  Phacelia bolanderi Tim Baroni 1971-6-25 44 Humboldt Comment
  HSC70694  Phacelia corymbosa Gail Newton 1980-7-15 1559 Humboldt Near Sims Mtn. 1311 Comment
  HSC38488  Phacelia corymbosa D. E. Anderson, J. P. Smith 1976-7-6 - 1271 Humboldt Horse Mtn. Comment
  HSC30744  Phacelia heterophylla subsp. virgata D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5620 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC562580  Phacelia malvifolia Joseph P. Tracy 1934-6-10 13212 Humboldt along coast in front of South End of Stone Lagoon (at foot of slope); Dry Lagoon 3 Comment
  UC774626  Phacelia mutabilis Carl B. Wolf 1937-8-13 9238 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity Summit); North Coast Range 1219 Comment
  RSA428107  Phacelia mutabilis Brad W. Klipfel 1973-7-1 143 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  UC604639  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1938-9-4 16143 Humboldt mouth Hors-Linto Creek 243 Comment
  UC922010  Phalaris californica Joseph P. Tracy 1938-6-7 15861 Humboldt n side of Mad River 1/2 mi e bridge on Arcata-Blue Lake highway; n side of Mad River 30 Comment
  CAS-BOT-BC76570  Philadelphus lewisii Doris K. Kildale 1927-8-7 3864 Humboldt Kneeland Prairie 762 Comment
  HSC20267  Philadelphus lewisii R. E. Thill 1965-4-22 17 Humboldt 1.5 mi. E of Hwy. 101 on N Bank Rd. Comment
  UC154151  Philadelphus lewisii Mrs. M. H. Manning 1901-6-7 56 Humboldt Hupa Valley Comment
  UC34058  Phleum alpinum J. P. Tracy 1901-5-30 1106 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC1347189  Phlox adsurgens Alice Eastwood and John Thomas Howell 1937-6-24 4869 Humboldt 5 mi e Berry; Summit Comment
  UC23903  Phlox adsurgens Harley P. Chandler Jun 1901 1534 Humboldt Klamath River North Coars Ranges 426 Comment
  JEPS71120  Phlox gracilis Joseph P. Tracy 1930-5-4 8691 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC1198560  Phlox gracilis Joseph P. Tracy 1932-5-10 9933 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  UC908605  Phlox gracilis Joseph P. Tracy 1932-7-10 10380 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC52806  Phlox gracilis J. Burtt Davy Jun 1899 5675 Humboldt Hoopa Mt. Northern Coast Ranges Comment
  UC249705  Phoradendron villosum Joseph P. Tracy 1921-12-4 5980 Humboldt Bald Mt. Northern Coast Ranges, Bald Mt. 762 Comment
  UCD138391  Phyllospadix torreyi Joseph P. Tracy 1938-9-9 16146 Humboldt Trinidad. 3 Comment
  HSC99286  Physocarpus capitatus T. Jimerson, J. Pageau 1979-6-22 609 Humboldt Near Bee Mtn., close to the town of Orleans 655 Comment
  CAS-BOT-BC73441  Picea sitchensis William R. Dudley 1899-6-28 s.n. Humboldt Humboldt Bay peninsula opposite Eureka. Comment
  HSC28257  Picea sitchensis Gary S. Lester 1973-12-2 56 Humboldt E of HSC campus Comment
  JEPS46729  Picea sitchensis J. P. Tracy Feb. 1901 Humboldt Humboldt Bay Comment
  HSC98703  Pinus attenuata Cara Witte 2007-9-3 640 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1448 Comment
  CAS-BOT-BC78373  Pinus contorta H. E. Parks 1931-5-1 s.n. Humboldt Samoa, Pine Barrens Comment
  HSC31517  Pinus contorta Steve Selva, Roger Jensen 1974-8-28 92 Humboldt Approx. 5 mi. S of Arcata on the Samoa Peninsula Comment
  POM21765  Pinus contorta var. contorta L. R. Abrams 1916-7-18 6074 Humboldt Arcata to Trinidad. Comment
  HSC54534  Pinus monticola Overton, Butler 1979-7-23 9483 Humboldt Near Horse Mtn. Creek 1326 Comment
  CAS-BOT-BC78979  Pinus muricata Doris K. Kildale 1927-3-27 2998 Humboldt on highway 1 mile north of Trinidad Comment
  CAS-BOT-BC79027  Pinus ponderosa Doris K. Kildale 1928-7-1 5314 Humboldt Klamath River at Orleans Comment
  CAS-BOT-BC136533  Piperia candida Volney Rattan 1878-1-1 s.n. Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC1196432  Piperia elongata Joseph P. Tracy 1925-8-9 7224 Humboldt Salmon Creek Northern Coast Ranges, South Fork of Eel River 91 Comment
  HSC104332  Piperia transversa James Regan, Humboldt Redwood Co., LLC 2008-7-18 28 Humboldt Happy Valley, Bear River 579 Comment
  HSC65473  Pityopus californicus Gail Newton 1980-6-24 545 Humboldt Near Ladder Rock 69 Comment
  JEPS14836  Pityopus californicus Virginia P. Fox 1919-7-13 Humboldt Bald Mt. Comment
  HSC57196  Plagiobothrys bracteatus Griswold, Butler 1979-7-11 7046 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC3633  Plagiobothrys nothofulvus Elrid H. Spinas 1948-5-15 5 Humboldt Horse Mtn. Comment
  UC175581  Plagiobothrys nothofulvus Mrs. M. H. Manning 1902-4-14 Humboldt near Hupa Comment
  UC177186  Plagiobothrys nothofulvus Joseph P. Tracy 1913-6-13 4115 Humboldt opposite Buck Mountain (valley Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Valley Van Duzen River, Dinsmore's Ra 762 Comment
  CDA40667  Plagiobothrys reticulatus P. Haggard 1972-8-16 s.n. Humboldt West End Road, Blue Lake. 0 Comment
  JEPS60993  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1907-6-20 2568 Humboldt Eureka Northern Coast Region 0 Comment
  UC78093  Plagiobothrys tenellus W. W. Price 1890-6-30 Humboldt Jarnigan's Comment
  HSC33750  Plantago erecta A. Montalvo 1975-5-24 282 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  UCSB15784  Plantago erecta Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC1196138  Plantago erecta Joseph P. Tracy 1938-7-12 16057 Humboldt Table Bluff, w of light house Table Bluff 6 Comment
  HSC73154  Plantago lanceolata M. A. Baker 1980-5-18 1301 Humboldt Near Black Mtn. 1006 Comment
  OBI11640  Plantago lanceolata Joseph P. Tracy 1947-8-10 17882 Humboldt Eureka Comment
  HSC59583  Plantago lanceolata Rick Lundquist 1979-4-24 35 Humboldt SE corner 7th and Union St., Arcata 24 Comment
  RSA247394  Plantago lanceolata Gary D. Wallace 1966-9-12 706 Humboldt East of Arcata near Willow Creek along Hwy 299. Comment
  HSC90480  Plantago maritima Jean Hanson 1981-5-10 136 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  HSC99474  Platanthera leucostachys K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 128 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA12558  Platanthera stricta Carl B. Wolf 1934-7-2 5881 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC16798  Platystemon californicus J. R. Woodside 1963-4-3 34 Humboldt 1.25 mi. N of Fairhaven. Comment
  UC146095  Platystemon californicus Joseph P. Tracy 1908-6-9 2656 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC16792  Platystemon californicus J. W. Johnson 1962-8-18 1245 Humboldt Arcata, Mad River County Park Comment
  UC1196294  Platystemon californicus Joseph P. Tracy 1944-5-14 17466 Humboldt at Bucksport Bucksport (near Eureka); near bay shore at Bucksport (near Eureka) 6 Comment
  UC602504  Plectritis brachystemon Joseph P. Tracy 1932-6-26 10255 Humboldt South Yager Creek 762 Comment
  CHSC10124  Plectritis congesta J. W. Johnson 1962-4-19 1273 Humboldt Miller Farm, Samoa Peninsula. Arcata. Comment
  UC1239603  Plectritis congesta Joseph P. Tracy 1933-5-19 12199 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  UC176116  Plectritis congesta Joseph P. Tracy 1913-6-26 4348 Humboldt Northern Coast Ranges, Lower Foothills of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UCD137534  Plectritis congesta R. N. Raynor 1935-1 s.n. Humboldt Exact location unknown. Comment
  POM252663  Plectritis congesta subsp. brachystemon Joseph P. Tracy 1936-5-29 14823 .5 Humboldt French Camp Ridge. 1067 Comment
  HSC97358  Pleuricospora fimbriolata Rudolf W. Becking 1972-6-30 Humboldt Fish Lake area, Orleans. Bulk Collection 31 762 Comment
  HSC10613  Pleuropogon refractus R. D. Modaferri 1965-5-13 98 Humboldt 2.2 mi N of Trinidad on Trinity St. 274 Comment
  HSC91883  Poa annua E. Mackey 1987-3-1 Humboldt Patrick's Point State Park. Comment
  UC525617  Poa compressa Joseph P. Tracy 1925-7-5 7182 Humboldt High Prairie on Bald Mt; Northern Coast Ranges 1066 Comment
Read comments
Jul 18 2012
  UC584206  Poa douglasii David D. Keck and J. Clausen 1935-6-16 3382 Humboldt mouth of Little River Comment
  UCD91137  Poa howellii A. Murphy 1951-3-27 s.n. Humboldt on Eel River near Ft. Seward, south bank. SE part of county. Comment
  UCD91801  Poa palustris A. Murphy 1950-5-1 s.n. Humboldt Ferndale area. Comment
  HSC75699  Poa pratensis Bill Copeland 1980-6-26 565 Humboldt Near Snow Camp Lake 1372 Comment
  UCD91813  Poa pratensis Linda M. Barker 1976-6-1 1567 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC102627  Poa secunda subsp. secunda M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC70237  Poa secunda subsp. secunda M. A. Baker 1980-6-8 1901 Humboldt Near Buck Flat. 1554 Comment
  HSC74129  Poa secunda subsp. secunda R. York 1980-5-23 618 Humboldt Near Buck Mtn. 1524 Comment
  UC184914  Poa secunda subsp. secunda Joseph P. Tracy 1912-7-31 3952 Humboldt near summit Buck Mt; Northern Coast Ranges 1676 Comment
  RSA129472  Poa trivialis H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  UCD125473  Pogogyne zizyphoroides Joseph P. Tracy 1946-5-30 17544 Humboldt Carlotta; by old Strong's District School House, 5 miles east of town. 60 Comment
  HSC32032  Polycarpon tetraphyllum D. E. Anderson 1974-8-1 Humboldt 6th St. in Eureka Comment
  SD53201  Polygala californica Darley F. Howe 1962-5-21 3292 Humboldt 16 miles north of Garberville on #101 60 Comment
  POM209000  Polygala californica Lincoln Constance 1934-5-23 608 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park 366 Comment
  UC275346  Polygala californica Joseph P. Tracy 1923-6-20 6333 Humboldt Briceland Northern Coast Ranges, Briceland 304 Comment
  UC672946  Polygonum amphibium Joseph P. Tracy 1934-7-20 13467 Humboldt Big Lagoon; edge of tule swamp 3 Comment
  CAS-BOT-BC414465  Polygonum douglasii Joseph P. Tracy 1932-7-11 10399 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  UC672964  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1930-6-21 8779 Humboldt Larrabee Valley 731 Comment
  HSC90239  Polygonum paronychia L. Watson, J. Meninga Mar 1991 18 Humboldt Near Manila, Mad River Slough and Dunes, SW edge of parking lot Comment
  SD39934  Polygonum paronychia Edith A. Purer 1932-7-27 4129 Humboldt Samoa, sand dunes Comment
  HSC98594  Polygonum phytolaccifolium Cara Witte 2007-7-11 506 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  JEPS51274  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  RSA109297  Polygonum sachalinense H. E. Parks, S. T. Parks 1952-07 24448 Humboldt South of the Elk River Bridge on Hwy 10 Comment
  HSC98684  Polygonum sawatchense subsp. sawatchense Cara Witte 2007-6-20 312 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  UC709395  Polypodium Joseph P. Tracy 1941-3-26 16835 Humboldt at Willow Creek Willow Creek; Trinity River Valley 152 Comment
  HSC1107  Polypodium californicum C. O. Baker 1962-3-22 4 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  SEINET192538 Image available Polypodium glycyrrhiza George Neville Jones 1936-3-22 Humboldt along the south fork of the Eel R. near Garberville Comment
  UC812497  Polypodium glycyrrhiza Eliz. Parsons Hawver June 1915 Humboldt Carlotta Comment
  UCD136882  Polypodium glycyrrhiza M. Wiesendanger 1928-4-7 902 Humboldt Redwood Highway, Lane's Redwood Flat, probably the Franklin K. Lane Grove. Comment
  CAS-BOT-BC76843  Polypodium glycyrrhiza Carl D. Duncan 1920-9-22 s.n. Humboldt Supply Creek, Hoopa Comment
  HSC100121  Polypodium glycyrrhiza Margaret Weatherwax 1975-6-26 7 Humboldt Road from Korbel to Maple Creek, 2 mi. SW of Korbel 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-BC72081  Polypodium scouleri Ira L. Wiggins 1930-7-11 4686 Humboldt near Samoa Comment
  HSC89486  Polypodium scouleri P. A. Daly 1986-3-12 68 Humboldt Trinidad Head, along trail 61 Comment
  UC370621  Polypodium scouleri H. E. Parks June 1925 3232 Humboldt Orick Comment
  CAS-BOT-BC233076  Polypogon interruptus Doris K. Kildale 1929-5-26 9128 Humboldt Klamath River at Orleans 152 Comment
  RSA53785  Polypogon interruptus Henry M. Pollard 1946-8-10 s.n. Humboldt South of Klamath River and east of Perch Creek, Orleans region. Comment
  UC526771  Polypogon interruptus Joseph P. Tracy 1927-7-16 8260 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC233215  Polypogon maritimus Joseph P. Tracy 1930-10-19 9236 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC232593  Polypogon monspeliensis Doris K. Kildale 1927-6-25 3546 Humboldt Shelter Cove Comment
  SEINET200577 Image available Polypogon monspeliensis Joseph P. Tracy 1916-5-31 4692 Humboldt Holmes Flat along Eel River from South Fork to Scotia. 61 Comment
  UC39746  Polypogon monspeliensis Harley P. Chandler June 1901 1431 Humboldt sandy banks Klamath River; North Coast Ranges, Klamath River 335 Comment
  HSC72980  Polystichum imbricans Gail Newton 1980-7-15 1578 Humboldt Near Sims Mtn. 1311 Comment
  CAS-BOT-BC76664  Polystichum munitum Doris K. Kildale 1926-7-22 2414 Humboldt Metropolitan, woods near Canyon Park. Comment
  CAS-BOT-BC76665  Polystichum munitum Doris K. Kildale 1926-7-22 2414 Humboldt Metropolitan, woods near Canyon Park. Comment
  HSC55089  Polystichum munitum G. L. Clifton, Griswold 1979-7-31 11764 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  RSA66879  Polystichum munitum P. A. Munz 1951-7-15 16551 Humboldt Racoon Creek. 305 Comment
  NY42919  Populus balsamifera subsp. trichocarpa J. B. Walker 1995-4-26 1388 Humboldt Six Rivers National Forest, Hwy 36, 2km W of Cobbs 800 Comment
  UC249538  Populus trichocarpa Joseph P. Tracy 1922-10-8 6121 Humboldt Mad River at Blue Lake (Northern Coast Ranges); , Mad River at Blue Lake 30 Comment
  CAS-BOT-BC453766  Potamogeton natans Henry M. Pollard 1945-8-28 s.n. Humboldt Near Orleans. Near Harley place Comment
  HSC100632  Potentilla anserina Carl C. Marshall Mar 1886 72 Humboldt Vicinity of Bay. Comment
  CAS-BOT-BC143075  Potentilla anserina subsp. pacifica Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC143078  Potentilla anserina subsp. pacifica Carl B. Wolf 1927-8-22 792 Humboldt Big Lagoon Comment
  HSC18724  Potentilla anserina subsp. pacifica S. J. Hawks 1965-5-14 66 Humboldt 2 mi. NW of McKinleyville Comment
  UC1586954  Potentilla drummondii Juha Pykala and D. H. Norris 1987-6-11 1593 Humboldt s North Trinity Mountain (w of Crogan Hole); North Trinity Mountain Wilderness Area 1550 Comment
  HSC44447  Prosartes hookeri Brad Klipfel 1975-5-30 658 Humboldt N of Horse Mtn. Comment
  HSC15465  Prosartes smithii D. Connell 1965-5-11 50 Humboldt Arcata, Jolly Giant Creek Comment
  HSC95735  Prosartes smithii Steven Lee 2004-4-13 20 Humboldt Arcata Community Forest, hillside along Jolly Giant Creek Comment
  CAS-BOT-BC517503  Prosartes smithii H. C. Cantelow 1936-5-17 s.n. Humboldt 3 miles east of Orick Comment
  UC1541658  Prunella vulgaris Harold E. Parks May 1933 4309 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  JEPS62489  Prunella vulgaris var. lanceolata Joseph P. Tracy 1937-6-28 15370 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  JEPS62494  Prunella vulgaris var. lanceolata Lincoln Constance 1934-5-24 641 Humboldt South Fork Eel River Bull Creek Region; , Bull Creek Region 121 Comment
  RSA22550  Prunella vulgaris var. lanceolata H. E. Parks, S. T. Parks 1937-07 24052 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC1196726  Prunella vulgaris var. lanceolata Joseph P. Tracy 1914-5-14 4424 Humboldt Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC1321006  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-7-19 627 Humboldt Eagle Point on Eel River (s of Meyer's Flat) Comment
  CAS-BOT-BC159981  Prunus emarginata Joseph P. Tracy 1933-6-13 12571 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's 1066 Comment
  CAS-BOT-BC159987  Prunus emarginata Doris K. Kildale 1927-7-22 3813 Humboldt Lassecks Peaks 1661 Comment
  HSC101978  Prunus emarginata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 875 Humboldt Patterson Meadows 1566 Comment
  UC12753  Prunus emarginata Harley P. Chandler June, 1901 1273 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 1066 Comment
  HSC94127  Prunus laurocerasus Gordon Leppig 2000-4-12 1291 Humboldt Arcata: behind Humboldt State University, W of Fern Lake 49 Comment
  UC14175  Prunus virginiana var. demissa W. C. Blasdale 1896-6-8 Humboldt Mad River Comment
  UC492198  Prunus virginiana var. demissa Joseph P. Tracy 1927-5-14 8027 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC582512  Pseudognaphalium californicum Joseph P. Tracy 1937-7-11 15415 Humboldt vicinity Garberville 121 Comment
  HSC40252  Pseudognaphalium stramineum Linda M. Barker 1976-8-24 1685 Humboldt 3 mi. W of Arcata Comment
  CAS-BOT-BC80114  Pseudotsuga menziesii Doris K. Kildale 1927-5-7 3114 Humboldt Elk Ridge Comment
  CAS-BOT-BC80115  Pseudotsuga menziesii Doris K. Kildale 1928-4-29 5969 Humboldt Horse Mountain Comment
  HSC99550  Pseudotsuga menziesii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 215 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC70640  Pseudotsuga menziesii var. menziesii R. York 1980-5-18 593 Humboldt Near Black Mtn. 792 Comment
  OBI36540  Pseudotsuga menziesii var. menziesii David J. Keil 1983-7-2 17338 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  UCD170576  Pseudotsuga menziesii var. menziesii Gordon Leppig 1998-4-7 733 Humboldt Berry Summit on west slope, Rt. 299. 792 Comment
  UC1223051  Psilocarphus oregonus Joseph P. Tracy 1947-6-25 17720 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  UC169084  Psilocarphus oregonus Joseph P. Tracy 1912-7-30 3890 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC32362  Psilocarphus tenellus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5710 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC79440  Pteridium aquilinum var. pubescens Kenneth Clark 1980-6-14 675 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  SD42991  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  RSA178581  Pterospora andromedea Joseph P. Tracy 1950-8-8 19274 Humboldt 3 miles east of Box Camp. Comment
  SEINET200714  Pyrola americana J. P. Tracy 1901-6-30 1191 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC61130  Pyrola aphylla T. Jimerson, J. Pageau 1979-6-13 554 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  CAS-BOT-BC460604  Pyrola aphylla Doris K. Kildale 1927-7-3 3632 Humboldt Willow Creek Flat 152 Comment
  HSC76594  Pyrola dentata Teresa Prendusi 1981-7-9 205 Humboldt Near Cedar Camp 1268 Comment
  CAS-BOT-BC462806  Pyrola dentata Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  HSC41317  Pyrola picta Brad Klipfel 1974-9-2 535 Humboldt Horse Mtn. Comment
  HSC44559  Pyrola picta Brad Klipfel 1973-7-15 178 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC56318  Pyrola picta Joseph Burtt Davy 1899-6-11 5420 Humboldt Hubbard's Station to Elk Prairie Comment
  UC1196363  Quercus X morehus Joseph P. Tracy 1916-6-19 4723 Humboldt North Fork of Dobbyn Creek Northern Coast Ranges 182 Comment
  CAS-BOT-BC62628  Quercus chrysolepis Doris K. Kildale 1926-12-26 2880 Humboldt Kneeland Prairie 853 Comment
  CAS-BOT-BC62672  Quercus chrysolepis Doris K. Kildale 1926-8-15 2514 Humboldt Willow Creek Flat 152 Comment
  HSC40858  Quercus chrysolepis Thomas W. Nelson 1976-7-9 2988 Humboldt Ridge S of the E peak of the Lassic Peak (Signal peak) group. 1707 Comment
  POM270213  Quercus chrysolepis Lyman Benson 1928-7-14 519 Humboldt Richardon's Grove of Redwoods, Redwood Highway, south county boundary, Middle N Coast Mt. Range, South Fork of Eel River. 122 Comment
  CAS-BOT-BC94313  Quercus garryana Doris K. Kildale 1928-7-1 5666 Humboldt Klamath River at Bluff Creek Comment
  HSC35716  Quercus garryana Thomas W. Nelson 1975-10-12 2233 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC1196523  Quercus garryana Joseph P. Tracy 1920-10-9 5402 Humboldt Bald Mountain, at Hungry Hill Northern Coast Ranges 762 Comment
  CAS-BOT-BC62727  Quercus garryana var. breweri Doris K. Kildale 1926-9-5 2631 Humboldt Head of Red Lassecks huk. Lasseck's Peaks 1676 Comment
  HSC102516  Quercus garryana var. breweri M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1502 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC32221  Quercus vacciniifolia J. O. Sawyer 1970-6-24 2219 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  CAS-BOT-BC379175  Ranunculus aquatilis var. aquatilis Doris K. Kildale 1926-4-18 1769 Humboldt McClellan Mountain Comment
  POM270026  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1937-5-30 15311 Humboldt In Shallow pond near Bosworth's, alt 1200ft. Larrabee Creek. 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
  CAS-BOT-BC378854  Ranunculus californicus var. californicus Doris K. Kildale 1927-3-20 2917 Humboldt Philipsville, south fork of Eel River Comment
  POM269619  Ranunculus flammula var. ovalis Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka. 46 Comment
  HSC30324  Ranunculus occidentalis var. occidentalis Dale R. Gradek 1974-4-16 11 Humboldt 7 mi. E of Blue Lake on rd. adjacent to Hwy. 299 305 Comment
  JEPS79961  Ranunculus parviflorus Joseph P. Tracy 1927-5-21 8067 Humboldt Carlotta Northern Coast Ranges 60 Comment
  UC1116207  Ranunculus pusillus Joseph P. Tracy 1942-5-16 17356 Humboldt Garberville 304 Comment
  UC1196221  Ranunculus repens Joseph P. Tracy 1918-4-7 4868 Humboldt Little River Northern Coast Ranges (mouth) 30 Comment
  CDA3482  Ranunculus repens T. C. Fuller 1968-7-3 17442 Humboldt North side of Elk River Road, 2 miles east of Highway 101 freeway, ca. 5 miles south of Eureka. 0 Comment
  UC183766  Ranunculus uncinatus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3620 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC6887  Raphanus sativus S. J. Hawks 1965-4-3 12 Humboldt W of Eureka City Airport Comment
  JEPS42054  Rhamnus californica Lincoln Constance 1934-6-13 872 Humboldt just below Redwood Hwy. (e bank of South Fork Eel River, n Dyerville Flat); South Fork Eel River, Bull Creek Region, Dyerville Flat Comment
  RSA7790  Rhamnus californica Carl B. Wolf 1927-8-30 1249 Humboldt 3 miles S of Thorn3 miles S of Tom's Place Comment
  UC61088  Rhamnus californica subsp. californica P. E. Goddard 1901-6-9 19 Humboldt Hupa Comment
  JEPS41951  Rhamnus californica subsp. occidentalis W. L. Jepson 1902-7-2 1977 Humboldt Three Creek to Willow Creek 762 Comment
  CDA35696  Rhamnus californica subsp. occidentalis T. Gallion 1958-7-11 Humboldt Weitchpec. 0 Comment
  RSA13285  Rhamnus purshiana Doris K. Kildale 1929-5-25 8394 Humboldt Pines Pasture, Eureka. 61 Comment
  RSA134710  Rhamnus purshiana Peter H. Raven 1958-7-21 13655 Humboldt 7.2 miles NW of Capetown on road to Ferndale. Comment
  RSA7813  Rhamnus purshiana Doris K. Kildale 1928-7-29 5925 Humboldt Mouth of Bear River at Capetown Comment
  UC592944  Rhamnus purshiana Carl B. Wolf 1931-8-30 Humboldt e side Eureka (on P Street, 1 block n of Henderson Street) 30 Comment
  HSC27016  Rhododendron columbianum Brad Klipfel 1973-8-9 268 Humboldt Big Lagoon County Park Comment
  HSC7835  Rhododendron columbianum J. F. Knezevich 1967-5-23 452 Humboldt N of Trinidad at Big Lagoon 15 Comment
  CAS-BOT-BC56607  Rhododendron macrophyllum Joseph P. Tracy 1906-6-10 2489 Humboldt Kneeland Prairie Road, region about Humboldt Bay 609 Comment
  HSC91897  Rhododendron macrophyllum E. Mackey 1987-5-19 Humboldt Patrick's Point State Park Comment
  UC32620  Rhododendron macrophyllum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UC614839  Rhododendron macrophyllum Beryl O. Schreiber 1934-6-5 1136 Humboldt 20 mi e of Blue Lake (road to Redding) Comment
  JEPS58767  Rhododendron occidentale Joseph P. Tracy 1926-6-27 7663 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  SEINET11996977  Rhododendron occidentale F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -296 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  RSA0062953  Rhododendron occidentale var. californicum C. B. Wolf 1934-7-2 5905 Humboldt 4.5 miles from Snow Camp on road to Bald Mt (Mtns E of Korbel). 1067 Comment
  CAS-BOT-BC200383  Rhododendron occidentale var. paludosum Doris K. Kildale 1925-4-19 618 Humboldt Liscom Hill near Essex, Lower Mad River Comment
  HSC7884  Rhododendron occidentale var. paludosum N. D. Dennis 1965-4-29 30 Humboldt Old Arcata Rd., 6 mi. S of Arcata Comment
  UC34924  Rhus trilobata Chestnut and Drew 1888-7-23 Humboldt Hyampom Comment
  UC1586906  Ribes Juha Pykala 1987-6-20 1849 Humboldt n House of Prof. D. H. Norris; Kneeland, Greenwood Heights 350 Comment
  HSC97303  Ribes bracteosum M. Mesler 2007-3-14 738 Humboldt Along Hwy. 101 at Orick Refuse Site (E side of Hwy.) 9 Comment
  CAS-BOT-BC108910  Ribes divaricatum var. pubiflorum Doris K. Kildale 1927-6-28 3607 Humboldt Lower Mad River near Covered Bridge on Redwood Highway. Comment
  UC902061  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1943-3-21 17412 Humboldt Alton 30 Comment
  UC667070  Ribes lacustre Joseph P. Tracy 1933-7-16 12784 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  POM274396  Ribes laxiflorum H. E. Parks 1937-6-4 24004 Humboldt Along Prairie Creek at Valley Green Comment
  HSC98554  Ribes lobbii Cara Witte 2008-6-18 742 Humboldt 2 miles north of the intersection between National Forest 1 and Friday Ridge Road/ 6N08 1580 Comment
  HSC102025  Ribes marshallii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 926 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC20309  Ribes menziesii M. L. Stuart 1965-5-6 64 Humboldt Fern Lake Dam Comment
  RSA0021770  Ribes menziesii H. E. Parks 1933-04 4402 Humboldt McNeils Creek, vicinity of Trinidad. Comment
  RSA0021772  Ribes menziesii Doris K. Kildale 1927-6-25 3570 Humboldt Shelter Cove. Comment
  HSC56094  Ribes nevadense G. L. Clifton, Griswold 1979-7-31 11798 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  RSA0024754  Ribes roezlii Doris Kildale Gillespie 1937-8-12 15258 Humboldt South Fork Mountain. Comment
  HSC45099  Ribes roezlii var. amictum R. Sutherland 1978-4-23 15 .23478 Humboldt 716 Comment
  UC154118  Ribes roezlii var. amictum Joseph P. Tracy 1908-6 2772 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS49455  Ribes roezlii var. cruentum P. E. Goddard 1901-7 83 1/2 Humboldt Hupa Comment
  JEPS49459  Ribes roezlii var. cruentum Joseph P. Tracy 1922-4-30 6041 Humboldt mountain slopes along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges, Three Creeks 670 Comment
  UC902114  Ribes roezlii var. cruentum Joseph P. Tracy 1944-7-3 17481 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC71583  Ribes sanguineum Gail Newton 1980-6-16 188 Humboldt Near Onion Mtn. 1280 Comment
  UC492209 Image available Ribes sanguineum Joseph P. Tracy 1927-6-12 8155 Humboldt lower slopes Horse Mountain; Northern Coast Ranges 1219 Comment
  SEINET12217529  Ribes sanguineum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -298 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  UC902086 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1949-4-10 18281 Humboldt North Coast Ranges, Redwood Creek, at Berry's Redwood Creek; North Coast Ranges, Redwood Creek 365 Comment
  UCR179227  Ribes sanguineum var. glutinosum R. G. Swinney 1968-3-28 233 Humboldt East of Humboldt State College, Arcata 152 Comment
  SEINET2153800  Ribes sanguineum var. sanguineum K. T. Harper 2002-1 2002 -4 Humboldt Redwood Park, near Orick. Comment
  HSC32267  Ribes viscosissimum J. O. Sawyer 1970-6-24 2276 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC97475  Ribes viscosissimum Cara Witte 2007-5-23 110 Humboldt Forest Service Road 4N70 to Grouse Mountain Lookout. 1601 Comment
  UC165854  Rigiopappus leptocladus Joseph P. Tracy 1903-5-23 1893 Humboldt Alder Point Northern Coast Ranges 243 Comment
  CAS-BOT-BC362906  Rigiopappus leptocladus Volney Rattan 1883-6-1 s.n. Humboldt Unspecified Comment
  RSA135397  Romanzoffia californica Volney Rattan 1882-06 s.n. Humboldt Kneeland Prairie. Comment
  HSC45604  Romanzoffia californica Diane L. Reed 1978-5-7 69 Humboldt E fork of Willow Creek, 34 mi. from US 101 on state Hwy. 299 Comment
  HSC59061  Romanzoffia californica Thomas Wood 1979-4-20 124 Humboldt At Trinidad Bay 2 Comment
  HSC26449  Romanzoffia tracyi T. O. Osborne 1970-4-8 9 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  UC1541376  Romanzoffia tracyi Parks and Tracy March 1934 8132 Humboldt heads opposite Spruce Cove (Trinidad); , Spruce Cove Comment
  UC552285  Rorippa curvisiliqua Joseph P. Tracy 1934-7-30 13500 Humboldt along coast in front of s end Stone Lagoon (Dry Lagoon); along coast in front of s end Stone Lagoon 3 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
  CAS-BOT-BC146481  Rosa gymnocarpa Alice Eastwood; John Thomas Howell 1937-6-22 4715 Humboldt Near Harris Comment
  HSC45635  Rosa gymnocarpa Diane L. Reed 1978-4-22 32 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC58022  Rosa gymnocarpa G. L. Clifton 1979-7-31 11827 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC162330  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain Northern Coast Ranges (viz ridge n of Willow Creek, between Willow and Campbell Creeks, near summit) 1219 Comment
  UC1199022  Rosa nutkana var. nutkana J. P. Tracy 1901-6-23 1163 Humboldt immediate vicinity of Eureka 0 Comment
  HSC19623  Rosa rubiginosa D. E. Anderson 1965-9-5 4096 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC302102  Rubus laciniatus Joseph P. Tracy 1926-11-7 7828 Humboldt opposite Scotia (along Eel River from South Fork to Scotia); Northern Coast Ranges, along Eel River 60 Comment
  BLMAR233  Rubus parviflorus Jennifer Anthony-Wheeler 1996-9-26 233 Humboldt King range, growing in moist shade along bearcrk between Nad & Wai campground 548 Comment
  CAS-BOT-BC147246  Rubus parviflorus Doris K. Kildale 1928-6-15 5231 Humboldt Iaqua Comment
  HSC19656  Rubus parviflorus Lincoln Constance 1934-5-31 756 Humboldt S Fork of the Eel River, Bull Creek Flat, along Bull Creek, W boundary of park to Grasshopper Peak, N side of creek Comment
  HSC19660  Rubus parviflorus D. B. Bader 1963-2-17 11 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  HSC97599  Rubus parviflorus Steven 2004-4-26 28 Humboldt From Old Arcata Rd. go E on Jacoby Creek Rd. Comment
  HSC99433  Rubus parviflorus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 82 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCSB30625  Rubus parviflorus Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca 1/2 - 3/4 mi in on dirt road from jct. with Fickle Hill Rd, ca 1/4 mi E of junction of Fickle Hill Rd and Park Av. Arcata Comment
  HSC22495  Rubus spectabilis D. Connell 1965-5-11 54 Humboldt Arcata, Jolly Giant Creek Comment
  RSA304831  Rubus spectabilis James R. Shevock 1972-3-26 1466 Humboldt Along Hwy 299. 366 Comment
  UC709449  Rubus spectabilis Joseph P. Tracy 1941-4-8 16853 Humboldt along Trinity Highway (Willow Creek Canyon, along head of Willow Creek); Willow Creek Canyon, along head of Willow Creek 762 Comment
  CAS-BOT-BC158789  Rubus ursinus C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CHSC59812  Rubus ursinus Mary Sacks 1977-4-8 3 Humboldt South end of Patrick's Point State Park, ca 0.2 mi west of Hwy 101 and 5 mi north of Trinidad. 60 Comment
  HSC19696  Rubus ursinus Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  HSC31460  Rubus ursinus Steve Selva, Roger Jensen 1974-8-28 90 Humboldt Approx. 10 mi. S of Arcata on the sand dunes of the Samoa Peninsula Comment
  HSC39999  Rubus ursinus J. O. Sawyer 1970-6-27 2306 Humboldt Site 318. 1494 Comment
  HSC40001  Rubus ursinus J. O. Sawyer 1970-6-27 2308 Humboldt Site 318. 1494 Comment
  UCD113990  Rubus ursinus Linda M. Barker 1976-6-1 1565 Humboldt 3 miles west of Arcata. Comment
  UCD17617  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 047 Humboldt California. Humboldt County: 6.6 miles north of Ettersburg on road to Honeydew. Comment
  HSC56448  Rudbeckia klamathensis Griswold, Butler 1979-7-12 7201 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  BLMAR184  Rumex acetosella Donald Hazlett 1994-6-7 184 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC421933  Rumex acetosella Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC55223  Rumex acetosella Walter Overton 1979-8-1 12397 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC1101197  Rumex conglomeratus Malcolm A. Nobs, S. Galen Smith 1949-8-9 1236 Humboldt pond on s side of the town of Blue Lake town of Blue Lake Comment
  UCD92352  Rytidosperma penicillatum Joseph P. Tracy 1941-8-17 16994 Humboldt at 'Hungry Hollow' on Bald Mt. 762 Comment
  HSC71114  Sagina procumbens Thomas W. Nelson 1977-6-4 3388 Humboldt HSU campus along B St. along W side of Biology-Engineering Building Comment
  HSC32142  Sagina saginoides D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5609 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC162362  Salicornia virginica Joseph P. Tracy 1911-10-22 3550 Humboldt Eureka Northern Coast Region, Humboldt Bay Region 0 Comment
  CAS-BOT-BC132706  Salix A. T. Whittemore 1980-3-15 80 -003 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC129894  Salix bonplandiana Joseph P. Tracy; Harold E. Parks 1942-5-16 11568 Humboldt Vicinity of Garberville 152 Comment
  HSC19946  Salix exigua var. hindsiana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-17 1332 Humboldt Trinity River, near bridge on Trinity Hwy. 152 Comment
  CAS-BOT-BC104106  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01332 Humboldt channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107762  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1217 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CHSC9657  Salix hookeriana E. L. Smith 1971-8-18 1027 Humboldt Clam Beach County Park ca. 6 mi s of Trinidad. Comment
  HSC20071  Salix hookeriana J. P. Tracy, H. E. Parks 1931-3-26 904 Humboldt Lower Van Duzen River near Alton Comment
  HSC38177  Salix hookeriana Thomas W. Nelson 1976-3-5 3285 Humboldt Beside Martin's Slough just upstream from Eureka Muni Golf Course Comment
  POM161042  Salix hookeriana Joseph P. Tracy 1926-11-21 7831 Humboldt Near mouth of Little River. 6 Comment
  UC275504  Salix hookeriana Joseph P. Tracy 1925-11-8 7312 Humboldt Fieldbrook Northern Coast Ranges, Fieldbrook 60 Comment
  UC303032  Salix hookeriana Joseph P. Tracy 1926-3-14 7391 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC469124  Salix hookeriana Joseph P. Tracy 1929-4-7 8531 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 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
  UC481264  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC490459  Salix hookeriana Joseph P. Tracy 1932-5-10 9950 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC490477  Salix hookeriana Joseph P. Tracy 1932-8-27 10744 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges 91 Comment
  UC512082  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1223 Humboldt 1 mi n Samoa (pine barrens near the coast) Comment
  UC526715  Salix hookeriana Joseph P. Tracy 1934-6-28 13267 Humboldt Salmon Creek Valley around Humboldt Bay Northern Coast Ranges, Humboldt Bay, Salmon Creek Valley 9 Comment
  POM219559  Salix hookeriana var. tomentosa H. E. Parks 1931-3-26 905 Humboldt Alton on Van Duzen River. 15 Comment
  UC1196583  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1941-3-26 16815 Humboldt opposite mouth of Willow Creek Lack Pond; Trinity River Valley Comment
  CAS-BOT-BC107612  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107649  Salix lasiolepis Joseph P. Tracy 1933-5-14 12184 Humboldt Berry's Mt. on Trinity Highway 762 Comment
  HSC98055  Salix lasiolepis Cara Witte 2007-7-11 497 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  JEPS13836  Salix lasiolepis Joseph P. Tracy 1926-8-12 7760 Humboldt at Berry's Redwood Creek; Northern Coast Ranges 274 Comment
  POM219249  Salix lasiolepis H. E. Parks, Susan T. Parks 1931-8-15 1079 Humboldt Blue Slide. Van Duzen River. 100 Comment
  UC1196660  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-17 9414 Humboldt thicket near mouth of Willow Creek; Northern Coast Ranges, Willow Creek 152 Comment
  UC469402  Salix lasiolepis Joseph P. Tracy 1931-9-27 9693 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC469408  Salix lasiolepis Joseph P. Tracy 1927-3-27 7869 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC469426  Salix lasiolepis Joseph P. Tracy 1931-9-26 9696 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC481315  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150 Comment
  UC481338  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC490552  Salix lasiolepis Joseph P. Tracy 1932-3-6 9775 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC506386  Salix lasiolepis Joseph P. Tracy 1932-6-19 10248 Humboldt Buck Mountain Northern Coast Ranges (nw slope, lower foothills) 762 Comment
  UC512007  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1233 Humboldt 1 1/2 mi E of Alton ( Van Duzen River) 30 Comment
  UCSB11963  Salix lasiolepis Ball, Carleton; Parks, Harold; Tracy, Joseph 1932-5-13 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC107289  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01333 Humboldt in channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107295  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01247 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107298  Salix lasiolepis var. bigelovii Harold E. Parks; Joseph P. Tracy 1931-5-17 0976 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC107301  Salix lasiolepis var. bigelovii Doris K. Kildale 1926-8-8 2477 Humboldt South Fork of Eel River near Dyerville bridge 51 Comment
  CAS-BOT-BC107410  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3148 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC107413  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-3-7 1527 Humboldt Stephens Grove on South Fork of Eel River 60 Comment
  CHSC9553  Salix lucida subsp. lasiandra E. L. Smith 1971-4-6 923 Humboldt Ca. 3 mi s of Scotia, on Hwy 101. 60 Comment
  SBBG22043  Salix lucida subsp. lasiandra R. F. Thorne 1957-9-2 18988 Humboldt Eel River, Burlington State Park, just S of Weott Comment
  CAS-BOT-BC125632  Salix melanopsis Joseph P. Tracy 1931-9-7 9647 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC20032  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy., 6 km S of Alton 20 Comment
  JEPS12941  Salix melanopsis Joseph P. Tracy 1931-6-14 9580 Humboldt Van Duzen River Alton; Northern Coast Ranges 30 Comment
  JEPS12953  Salix melanopsis Joseph P. Tracy 1932-5-10 9961 Humboldt Mattole River near Petrolia; Northern Coast Region 15 Comment
  LA208931  Salix melanopsis Harold E. Parks; 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  SBBG57955  Salix melanopsis H. E. Parks 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  UC469453  Salix melanopsis Joseph P. Tracy 1931-6-14 9582 Humboldt Van Duzen R. Alton; Northern Coast Region, , Alton 30 Comment
  UC481356  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC490558  Salix melanopsis Joseph P. Tracy 1932-5-10 9960 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 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
  UC519364  Salix melanopsis Joseph P. Tracy 1933-6-9 12533 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R. 30 Comment
  CAS-BOT-BC213695  Salix parksiana Harold E. Parks 1931-5-14 0962 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  RSA0030801  Salix parksiana H. E. Parks 1931-5-14 0961 Humboldt Ban Duzen River between Alton and Carlotta 15 Comment
  CAS-BOT-BC129135  Salix scouleriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1228 Humboldt 1 mile north of Samoa, approximately sea level. Comment
  CAS-BOT-BC129162  Salix scouleriana Harold E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay, near sea level Comment
  HSC98806  Salix scouleriana Cara Witte 2007-7-12 527 Humboldt Ammon Ridge Road. Approximately 2 miles southeast of intersection with 5N10. 1353 Comment
  SBBG57977  Salix scouleriana H. E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay Comment
  SJSU172  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen R 448 Comment
  UC302153  Salix scouleriana Joseph P. Tracy 1926-7-25 7752 Humboldt Big Lagoon North Coast Region, Big Lagoon 6 Comment
  UC470448  Salix scouleriana Joseph P. Tracy 1927-3-27 7846 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  UC481332  Salix scouleriana Harold E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 150 Comment
  UC490503  Salix scouleriana Joseph P. Tracy 1932-2-7 9770 Humboldt Scotia Northern Coast Ranges, Scotia 30 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
  UC54674  Salix scouleriana J. P. Tracy 1900-12-30 977 Humboldt immediate vicinity Eureka Eureka 0 Comment
  CAS-BOT-BC128951  Salix sitchensis L. R. Abrams 1916-7-11 6047 Humboldt In river gravel, mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC128957  Salix sitchensis W. R. Dudley 1899-6-21 s.n. Humboldt Bluff below Dyerville on Eel River Comment
  HSC33299  Salix sitchensis R. W. Becking, Thomas Overturf 1975-3-25 703 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  HSC90380  Salix sitchensis Jean Hanson 1980-3-8 4 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC469469  Salix sitchensis Joseph P. Tracy 1931-10-3 9708 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC55407  Salix tracyi Mrs. M. H. Manning 1932-4 Humboldt Hupa Comment
  UC168949  Sambucus mexicana Joseph P. Tracy 1911-7-9 3465 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UCSB22664  Sambucus racemosa var. racemosa Jensen, Karen 1965-4-14 Humboldt Along Tompkin's Hill Rd., 2.7 mi. from Hwy. 101 turnoff, northeast of Fortuna 91 Comment
  HSC45104  Sanicula arctopoides R. Sutherland 1978-2-18 9 Humboldt 3 Comment
  UC154104  Sanicula arctopoides Joseph P. Tracy 1904-4-24 2021 1/2 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  CAS-BOT-BC223253  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  HSC37194  Sanicula bipinnatifida Barbara Kelly 1976-5-13 255 Humboldt Below road at Kneeland Airport Comment
  SEINET3157023  Sanicula crassicaulis D. E. Anderson 1965-5-1 3563 Humboldt along Highway 96, 1.9 miles north of Willow Creek Comment
  UC1197091  Sanicula graveolens Joseph P. Tracy 1932-7-13 10528 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  HSC55296  Sanicula tuberosa Terry Griswold, Butler 1979-7-10 6344 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC74271  Sanicula tuberosa M. A. Baker 1980-5-23 1378 Humboldt Near Buck Mtn. 1524 Comment
  HSC99063  Sanicula tuberosa C. Witte 2007-5-8 2 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC1565803  Sanicula tuberosa R. Spellenberg 1990-7-9 10227 Humboldt 14 air mi sw of Burnt Ranch (20.5 mi s of California Hwy 299 and Berry Summit on USFS Rd 1, on Pilot Ridge, extreme e edge of Humboldt County); Pilot Ridge 1371 Comment
  HSC101030  Sanicula tuberosa John McRae 1994-7-1 36 Humboldt Route 1 to FS Rd. 3N14. Approx. .25 mi. to end of PC-1. 1220 Comment
  SEINET13945259 Image available Sanicula tuberosa Thomas Nelson 1978-1 4095 Humboldt T2N, R5E, Sec 33, elev 2500 ft. Oak woodland on McKeown Ranch north of Dinsmore 762 Comment
  HSC98918  Saxifraga aprica Cara Witte 2008-7-1 784 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  UC666822  Saxifraga ferruginea Joseph P. Tracy 1935-7-24 14186 Humboldt near Ranger Station (Trinity Summit); Trinity Summit 1828 Comment
  CAS-BOT-BC441183  Saxifraga mertensiana Joseph P. Tracy 1911-6-4 3217 Humboldt Along Little River. 5 miles from the coast 121 Comment
  UC1949159  Saxifraga mertensiana Barbara Ertter with Thomas J. Delendick 1987-5-16 6936 Humboldt 3 mi E of Berry Summit on Hwy 299, ca 20 airmiles E of Arcata; on S side of road above Willow Creek Comment
  RSA366412  Schoenoplectus pungens Joseph P. Tracy 1914-5-30 s.n. Humboldt North Coast, near Hydesville Comment
  UC963872  Scirpus cernuus H. E. Parks and S. T. Parks August, 1943 24244 Humboldt Spruce Cove North Coast Ranges, , Trinidad (Trinidad) 60 Comment
  HSC58816  Scirpus congdonii G. L. Clifton, Griswold 1979-8-1 12072 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  CDA39145  Scirpus microcarpus Gordon Leppig 1998-6-26 861 Humboldt Arcata; Alder Grove Pond, south side of pond. Comment
  UCSB55386  Scirpus microcarpus Wolf, Carl 1937-9-11 Humboldt Redwood Highway, 3 mi. N of Orick at Davison's Ranch; on Prairie Creek 60 Comment
  SEINET8501887  Scoliopus bigelovii R. R. Halse 2013-3-28 8766 Humboldt Along US Hwy. 101 ca. 2.2 miles S of Exit 671 to Pepperwood. 76 Comment
  CAS-BOT-BC517417  Scoliopus bigelovii Alice Eastwood; John Thomas Howell 1937-6-23 4778 Humboldt Near Dinsmores Comment
  UC275518  Scoliopus bigelovii Joseph P. Tracy 1923-4-25 6144 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  HSC12711  Scrophularia californica M. J. Athey 1970-10-12 19 Humboldt Along the old road to Trinidad Comment
  HSC31640  Scrophularia californica Glenn McGourty 1974-6-1 82 Humboldt Comment
  SDSU11019  Scrophularia californica Harvey 1938-8-13 2246 Humboldt Humbolt State Redwood Park. Comment
  SEINET12330006  Scrophularia californica F. H. Utech 1986-1 86 -407 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  HSC63212  Sedum laxum subsp. heckneri M. A. Baker 1979-7-6 1015 Humboldt W slope of Rattlesnake Creek Ridge overlooking Red Cap Creek, outcrop and road cut of FS Rd. 10N01 Comment
  UC1198841  Sedum radiatum Joseph P. Tracy 1927-5-15 8054 Humboldt Supply Creek near Hoopa Valley; Northern Coast Ranges, Supply Creek, nr Hoopa Valley 304 Comment
  CAS-BOT-BC63790  Sedum radiatum subsp. radiatum Doris Kildale Gillespie 1931-6-7 10602 Humboldt Soth Forb Mt. Blake Lookout. 1726 Comment
  HSC6480  Sedum spathulifolium var. spathulifolium William J. Ferlatte, B. D. Rogers 1966-6-15 2103 Humboldt Larabee Valley 762 Comment
  HSC64817  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1976-5-2 8627 Humboldt 3.96 mi. N of junction with Hwy. 299 on Hwy. 96 Comment
  HSC71086  Sedum stenopetalum Thomas W. Nelson, Jane Nelson 1977-5-30 3405 Humboldt Large rock downstream from Anderson's Ford 640 Comment
  JEPS117941  Selaginella kraussiana Dana York, Adrian York & Noah York 2011-4-2 3019 Humboldt Arcata, eastern edge of Humboldt State University Campus 70 Comment
  SBBG19224  Selaginella oregana L. L. Kiefer 1963-8-6 769 Humboldt Patrick's Pt St Park, N side of Lookout Rock 45 Comment
  CAS-BOT-BC69738  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt Trinidad. 60 Comment
  UC249773  Selaginella wallacei Joseph P. Tracy 1924-3-9 6607 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC26744  Senecio elegans D. A. Haskell 1966-4-30 54 Humboldt Near the town of Samoa Comment
  HSC56348  Senecio integerrimus var. major Griswold, Butler 1979-7-10 6259 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC249532  Senecio integerrimus var. major Joseph P. Tracy 1922-6-12 6087 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC97105  Senecio integerrimus var. major Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 3 Humboldt 7.4 mi. S of Hwy. 299 on NF1, Coldspring Camp 1372 Comment
  UC1223148  Senecio integerrimus var. major Joseph P. Tracy 1951-5-26 19509 Humboldt opposite Willow Creek; Trinity River Comment
  UC91377  Senecio integerrimus var. major J. W. Blankinship 1893-6-15 Humboldt Yager Comment
  JEPS24115  Senecio minimus Peter H. Raven, R. Snow 1958-7-21 13653 Humboldt 2.9 mi s Ferndale (on road to Cape Mendecino) Comment
  UC1118080  Senecio minimus H. L. Person 1931-7-30 Humboldt Fieldbrook Eureka Quad., Fieldbrook Comment
  UC581698  Senecio sylvaticus Joseph P. Tracy 1930-7-26 9116 Humboldt White Thorn Valley 304 Comment
  HSC95587  Senecio sylvaticus Andrea Pickart 2002-6-27 115 Humboldt Mad River Slough and Dunes 6 Comment
  UCSB6689  Senecio sylvaticus Keator, Glenn 1958-6-18 Humboldt Near Ettersburg Comment
  HSC57671  Senecio triangularis G. L. Clifton, Griswold 1979-7-25 10860 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC34610  Senecio vulgaris A. Montalvo 1975-5-24 273 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  MACF017376  Sequoia sempervirens Trudy R. Ericson 1974-8-6 202 Humboldt Off U. S. 101, exit to Patrick's Point State Beach Park, near Seaward Drive Comment
  SEINET3876375 Image available Sequoia sempervirens Richard R. Halse 1989-5-13 3842 Humboldt Along U.S. Hwy 101, 2 miles south of Weott.; 0 108 Comment
  UC667965  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt near Korbel 304 Comment
  UCD92848  Setaria viridis Don Hager 1957-9-25 s.n. Humboldt Titlow Hill, 20 miles southwest of Willow Creek. Comment
  UC602551  Sherardia arvensis Joseph P. Tracy 1935-5-25 13883 Humboldt Dobbyn Creek 152 Comment
  CHSC96447  Sidalcea malachroides Gordon Leppig; Todd Treadwell 2005-6-8 2248 Humboldt Pacific Lumber Company land. Blue Slide Creek watershed. UTM Zone 10 NAD 1927, 419949E, 4482795N. 245 Comment
  RSA47159  Sidalcea malachroides Doris K. Kildale 1926-5-16 s.n. Humboldt Horse Mountain Comment
  RSA75596  Sidalcea malachroides Albert M. Vollmer, B. Beane 1951-6-11 s.n. Humboldt Yager Creek road, on way to Carlotta Comment
  UC668137  Sidalcea malachroides Joseph P. Tracy 1938-6-15 15938 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  SEINET11994388  Sidalcea malachroides F. H. Utech 1986-1 86 -399 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Humboldt County F3C) enroute to Capetown 80 Comment
  UC18900  Sidalcea malviflora subsp. patula C. C. Marshall 1888-1 Humboldt e branch of South Fork Eel River Comment
  UC902193  Sidalcea malviflora subsp. patula Joseph P. Tracy 1946-5-30 17546 Humboldt 5 mi e Carlotta (open flat by old Strong's District School House); e of Carlotta 60 Comment
  HSC102531  Sidalcea oregana subsp. oregana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1517 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC73819  Silene Gail Newton 1980-6-7 117 Humboldt Near Brush Mtn. 1128 Comment
  RSA43854  Silene californica H. M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans. Comment
  CAS-BOT-BC174881  Silene campanulata subsp. glandulosa Volney Rattan 1903-1-1 s.n. Humboldt Hoopa Valley Comment
  UCD98626  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC4188  Silene gallica J. E. Lankila 1962-5-14 23 Humboldt W bank of river at Fernbridge Comment
  HSC48611  Silene gallica Mark Flippo 1978-5-18 62 Humboldt Hwy. 101 N jct. with Giuntoli Lane Comment
  HSC102089  Silene grayi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 992 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  CAS-BOT-BC181246  Silene hookeri subsp. bolanderi Alice Eastwood; John Thomas Howell 1937-6-23 4799 Humboldt Little Van Duzen River Comment
  CAS-BOT-BC389048  Silene laciniata subsp. californica Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC389055  Silene laciniata subsp. californica Carl B. Wolf 1927-8-27 1161 Humboldt On the Klamath River 11 miles above Weitchpec Comment
  CAS-BOT-BC389058  Silene laciniata subsp. californica H. E. Parks 1930-5-1 0751 Humboldt Vicinity of Hydesville Comment
  HSC35749  Silene laciniata subsp. californica Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1993 Humboldt French Camp, 20 mi. E of Hwy. 101 Comment
  HSC102046  Silene lemmonii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 949 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC89540  Sisymbrium officinale M. Roantree 1985-4-28 26 Humboldt E side of Trinidad Head, along dirt road Comment
  HSC49362  Sisyrinchium bellum R. York 1979-4-13 219 Humboldt Just N of College Cove, 1 mi. N of Trinidad Comment
  HSC13929  Sisyrinchium bellum R. D. Modaferri 1965-5-13 97 Humboldt 0.8 mi. N of Trinidad on Trinity St. 305 Comment
  UC1192312  Sisyrinchium californicum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1196 Humboldt at the suthern outskirts of Eureka Comment
  UC666976  Smilacina racemosa Joseph P. Tracy 1932-7-12 10463 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  NY821311  Solanum laciniatum H. H. Smith 1911-6-17 3857 Humboldt Samoa Comment
  RSA337440  Solanum laciniatum Robert F. Thorne, Percy C. Everett 1965-8-5 35160 Humboldt Samoa Dunes. 3 Comment
  CAS-BOT-BC365439  Solidago elongata Doris K. Kildale 1926-6-18 2408 Humboldt Gold Bluffs Comment
  UC1070251  Solidago elongata H. L. Person 1932-7-19 Humboldt Lindsay Creek Eureka Quad, Lindsay Creek Comment
  UC34655  Solidago elongata Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  CHSC13899  Solidago spathulata D. Joley 1967-8-17 65 Humboldt Found growing 10 mi NW of Fortuna. Comment
  LA204224  Solidago spathulata S. K. Harris; 1939-9-5 990 Humboldt Samoa Comment
  RSA21022  Solidago spathulata C. B. Wolf 1937-9-12 9332 Humboldt Clam Beach. 8 Comment
  RSA246920  Solidago spathulata R. F. Thorne, Percy C. Everett 1965-8-5 35164 Humboldt Samoa Dunes 3 Comment
  CAS-BOT-BC364967  Solidago velutina subsp. californica Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Camp Creek, Klamath River Canyon Comment
  HSC47627  Soliva sessilis J. P. Smith 1977-4-23 9019 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC79494  Sonchus asper Kenneth Clark 1980-3-1 506 Humboldt Deadman's Gulch; lower alluvial terrace 11 Comment
  CAS-BOT-BC374595  Sonchus oleraceus Huron H. Smith 1911-6-20 3907 Humboldt Vances C. 20 Comment
  CAS-BOT-BC158898  Sorbus scopulina Doris K. Kildale 1925-8-16 1170 Humboldt Trinity Summit 1828 Comment
  UC205632  Sorbus scopulina var. cascadensis Joseph P. Tracy 1919-9-24 5292 Humboldt Trinity Summit Comment
  RSA183496  Spartina densiflora D. E. Anderson 1963-9-15 2814 Humboldt Humbolt Bay Comment
  UCD92968  Spartina densiflora Phyllis Faber 1983-11-11 s.n. Humboldt Humboldt Bay, Arcata. Comment
  LA39194  Spartina foliosa W. A. Silveus; 1938-7-10 2966 Humboldt Eureka 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
  HSC38388  Spergula arvensis Peter Sorensen 1976-6-14 Humboldt N Spit of Humboldt Bay Comment
  SEINET11935224  Spergula arvensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -307 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  CAS-BOT-BC390302  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1936-7-3 3782 Humboldt Eureka Comment
  CAS-BOT-BC390611  Spergularia rubra Joseph P. Tracy 1936-6-3 14850 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC37315  Spergularia rubra J. P. Smith 1976-5-27 8814 Humboldt Corner of 14th and G St. Arcata Comment
  HSC69752  Spergularia rubra Thomas W. Nelson 1977-10-10 3755 Humboldt Jct. of Fairway Dr. and Lundbar Place, Eureka Comment
  RSA0098106  Spergularia rubra James Payne Smith 1976-5-27 8814 Humboldt Arcata, corner of 14th and G Street. Comment
  UC14210  Spiraea douglasii J. Burtt Davy 1899-6-29 5897 Humboldt banks of Klamath River; North Coast Ranges Comment
  UC1225846  Stachys ajugoides var. rigida Joseph P. Tracy 1946-5-30 17547 Humboldt 5 mi e Carlotta (open flat by old Strong's District School House) 60 Comment
  UC668213  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 B Humboldt Valley of South Yager Creek 762 Comment
  UC153991  Stachys ajugoides var. rigida Joseph P. Tracy 1906-6-24 2497 Humboldt region about Humboldt Bay (s side of Humboldt Hill); Northern Coast Region 0 Comment
  RSA0074167  Stachys chamissonis T. S. Elias, Barbara A. Elias 1987-8-26 10631 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge. Comment
  HSC76525  Stachys rigida Teresa Prendusi 1981-7-24 488 Humboldt Near Whiteys Peak 1585 Comment
  SBBG6537  Stachys rigida H. and M. Dearing 1939-6-23 3696 Humboldt 12 mi E of Arcata Comment
  RSA20856  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8896 Humboldt 1/2 mile S of Fortuna. 15 Comment
  HSC59653  Stellaria media Michael Dalke 1979-4-1 14 Humboldt 0.1 mi. E of Hwy. 101, N Bank Rd. 12 Comment
  HSC95683  Stellaria media Kevin Thomas 2004-3-18 6 Humboldt Near Clam Beach exit of Hwy. 101 N, along old Hwy. 101, at end of Little River Rd. Comment
  HSC97968  Stipa lemmonii var. lemmonii Cara Witte, Michael Scott 2007-6-22 348 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  CAS-BOT-BC87608  Streptanthus tortuosus Doris K. Kildale 1928-5-27 5955 Humboldt Kneeland Prairie. 853 Comment
  UC162648  Streptanthus tortuosus var. orbiculatus Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5664 Humboldt Hoopa Mt. Comment
  HSC102058  Streptopus amplexifolius M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 963 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  HSC57156  Streptopus amplexifolius Overton, Butler 1979-7-26 9955 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1103496  Streptopus amplexifolius var. americanus Joseph P. Tracy 1949-6-25 18346 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UC1103500  Streptopus amplexifolius var. americanus Joseph P. Tracy 1930-7-17 8998 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  JEPS40849  Symphyotrichum bracteolatum Joseph P. Tracy 1921-9-4 5954 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley, South Fork of T 152 Comment
  CAS-BOT-BC99165  Symphyotrichum chilense Carl B. Wolf 1927-8-29 1201 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  CAS-BOT-BC99172  Symphyotrichum chilense Henry M. Pollard 1956-10-14 s.n. Humboldt Rocky crevices along Klamath River near mouth of Pearch Creek, Orleans. Comment
  HSC24019  Symphyotrichum chilense R. A. Vanbianchi 1971-9-10 79 Humboldt Junction of Fieldbrook Rd. and old Hwy. 299 Comment
  HSC59669  Symphyotrichum chilense George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 5 Comment
  CAS-BOT-BC99006  Symphyotrichum eatonii Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC98928  Symphyotrichum foliaceum var. parryi Joseph P. Tracy 1937-8-12 15634 Humboldt Snow Camp 1402 Comment
  UCD150385  Symphyotrichum lentum William Anderson and H. Mc. 1964-8-6 s.n. Humboldt Little River. Comment
  SEINET12275944  Symphytum asperum J. P. Tracy 1943-1 17448 Humboldt near Iverson dairy ranch, Arcata Comment
  POM126512  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt Brannan Mtn. Along road between Three Creeks and mouth of Willow Creek. 915 Comment
  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
  UCD86185  Taeniatherum caput-medusae A. H. Murphy 1947-6-7 s.n. Humboldt Sherman Flat, ca. 3.5 miles north of Blocksburg. Comment
  HSC6244  Tanacetum bipinnatum Paul Shields 1955-9-17 Humboldt 1/2 mi. S of mouth of Mad River Comment
  CDA8898  Tanacetum camphoratum Clayton 1956-5-7 Humboldt Samoa Road 200 yards south of Fairhaven. 0 Comment
  UC1223070  Tanacetum parthenium Joseph P. Tracy 1946-7-28 17624 Humboldt Head of Willow Creek Comment
  SEINET11800644  Tanacetum parthenium J. P. Tracy 1946-1 17659 Humboldt Eureka, Tracy's garden Comment
  CHSC35576  Tauschia kelloggii Jacqueline Greenleaf 1980-5-23 90 Humboldt Near Dinsmores. 430 Comment
  UC642289  Tauschia kelloggii Joseph P. Tracy 1936-8-2 15079 Humboldt French Camp Ridge 1066 Comment
  HSC32947  Tellima grandiflora Thomas W. Nelson, James Nelson 1973-5-28 960 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC89427  Tellima grandiflora P. A. Daly 1984-5-8 4 Humboldt Trinidad Head 61 Comment
  HSC97605  Tellima grandiflora Cara Witte 2007-6-7 221 Humboldt Along National Forest 1. Approximately 1 mile north of cattle guard. Comment
  CAS-BOT-BC447406  Tellima grandiflora Kenneth Clark 1980-3-23 536 Humboldt Point Delgada; Alluvial terrace of south fork Dead Man's Gulch; Vascular Plants of Shelter Cove Comment
  HSC64043  Tellima grandiflora Carl Wishner 1978-5-1 464 Humboldt Boise Creek Campground, Six Rivers National Forest Comment
  UC1196166  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1939-5-14 16291 Humboldt Dinsmore's Van Duzen River 746 Comment
  HSC12833  Thuja plicata Thomas W. Nelson, Wilbur Peterson 1970-12-2 301 Humboldt HSC Campus SE side of field house Comment
  NY17197  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA126263  Thuja plicata I. L. Wiggins 1955-7-31 13594 Humboldt Hillside 9 miles east of Arcata along Highway 299 Comment
  SBBG26950  Thuja plicata C. B. Wolf 1930-10-25 1020 Humboldt Blue Lake-Willow Crk Rd (Lord Ellis Rd); 2 mi above Blue Lake 243 Comment
  UCD67632  Thuja plicata D. Sanchez-Mata 1996-6-27 s.n. Humboldt Blue Lake. Mad River. Redwood forests on slopes. 175 Comment
  CAS-BOT-BC436936  Tiarella trifoliata var. unifoliata Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  RSA246663  Tiarella trifoliata var. unifoliata R. F. Thorne, Percy C. Everett 1965-8-4 35127 -b Humboldt Wailaki Recreation site. 518 Comment
  HSC38208  Tolmiea diplomenziesii Thomas W. Nelson, J. P. Smith 1976-4-25 2382 Humboldt Brazil Ranch E of Hwy. 101 near College of the Redwoods Comment
  HSC70846  Tolmiea diplomenziesii M. A. Baker 1980-6-7 1827 Humboldt Near Ammon Creek 732 Comment
  HSC71597  Torilis arvensis M. A. Baker 1980-6-26 2409 Humboldt Near Sims Creek 610 Comment
  UCD93214  Torreyochloa pallida var. pauciflora A. H. Murphy 1951-8-17 88 Humboldt South Fork Mtn., ca. 15 miles N.E. of Bridgeville-Trinity County line. Comment
  UCR3932  Toxicodendron diversilobum David Whistler, H. M. Whistler 1964-7-29 640729- 7 Humboldt North Coast, US Hwy 101, along bank of Eel River, 0.2 mi. north of Weott 85 Comment
  CAS-BOT-BC399989  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-25 15564 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  RSA440753  Trichostema laxum E. S. Spalding 1924-7-13 s.n. Humboldt Lanis Flats, bank of Eel River. Comment
  HSC102186  Trichostema oblongum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1100 Humboldt Andy's Camp 1564 Comment
  UC1222859  Trichostema oblongum Joseph P. Tracy 1950-8-8 19284 Humboldt Croghan Hole, on Trinity Summit 1676 Comment
  HSC73246  Trientalis latifolia M. Baker 1980-5-18 1326 Humboldt Near Black Mtn. 1006 Comment
  BLMAR617  Trifolium albopurpureum Jennifer Wheeler 2011-5-20 617 Humboldt King range, Below Strawberry Rock in Mattole Dunes 7 Comment
  JEPS65706  Trifolium albopurpureum var. albopurpureum W. L. Jepson 1902-6-20 1899 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC162776  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1908-6 2854 Humboldt opposite Buck Mtn (valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC1223386  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1936-5-29 14819 Humboldt French Camp Comment
  UC495671  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-6-5 8101 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  UC1103432  Trifolium barbigerum Joseph P. Tracy 1932-5-10 9964 Humboldt near Petrolia (Mattole); North Caost Ranges 15 Comment
  SEINET6934847  Trifolium barbigerum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  RSA91561  Trifolium bifidum var. decipiens F. W. Peirson 1926-7-12 7031 Humboldt Redwood Creek, Orick. Comment
  POM301285  Trifolium dichotomum Joseph P. Tracy 1942-5-16 11555 Humboldt Vicinity of Garberville. 152 Comment
  SEINET6934960  Trifolium dichotomum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC16714 Image available Trifolium eriocephalum W. C. Blasdale 1896-6-8 Humboldt near Deer Creek; Mad River; Mad River near Deer Creek, Humboldt Co. Comment
  RSA135394  Trifolium eriocephalum subsp. eriocephalum Volney Rattan 1878-1 s.n. Humboldt Kneeland Prairie. Comment
  POM214889  Trifolium eriocephalum subsp. eriocephalum Joseph P. Tracy 8821 Humboldt Buck Mountain Comment
  BLMAR736  Trifolium fucatum Jennifer Wheeler 2015-5-8 736 Humboldt Larabee Butte, at Butte Creek Access Rd off Hwy 36 in drainage ditches 722 Comment
  UC1039817  Trifolium fucatum J. I. Mallory 1956-4-27 129 Humboldt 1 3/4 mi w Petrolia (at head of Jeffrey Gulch, Humbolt base and Mer.); Quad. 28-B4 121 Comment
  HSC29728  Trifolium fucatum J. D. Ackerman 1973-4-19 43 Humboldt Off Redwood Ave., Arcata Comment
  UC41600  Trifolium fucatum J. Burtt Davy 1899-6-19 5684 Humboldt Hoopa Mtn North Coast Ranges Comment
  UC1197196  Trifolium gracilentum Joseph P. Tracy 1901-5-18 1096 Humboldt Ocean Beach Northern Coast Ranges, Humboldt Bay Comment
  UC495656  Trifolium longipes subsp. hansenii Joseph P. Tracy 1930-6-8 8726 Humboldt Northern Coast Ranges. Kneeland Prairie. 762 Comment
  UC162780  Trifolium longipes var. hansenii Joseph P. Tracy 1908-6 2919 Humboldt nw slopes Buck Mtn; Northern Coast Ranges 1219 Comment
  POM214885  Trifolium macraei Joseph P. Tracy 1927-6-8 8114 Humboldt Trinidad. 15 Comment
  HSC100536  Trifolium macraei Carl C. Marshall Jun 1885 50 Humboldt Bear River. Comment
  UC160907  Trifolium microcephalum J. P. Tracy 1900-5-28 821 Humboldt immediate vicinity Eureka 0 Comment
  HSC15145  Trifolium microcephalum J. W. Johnson 1962-5-13 1355 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  HSC78971  Trifolium microdon L. P. Janeway 1984-5-16 786 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road 1/4 mi. NW of the boat ramp 5 Comment
  POM214881  Trifolium microdon Joseph P. Tracy 1927-6-5 8102 Humboldt Valley of S Yager Creek Comment
  UC1223349  Trifolium microdon Joseph P. Tracy 1950-6-18 18840 Humboldt 1 mi e Cape Mendocino (at roadside on top of ridge); Cape Ridge 304 Comment
  UC1223353  Trifolium microdon Joseph P. Tracy 1938-6-8 15864 Humboldt Samoa Sand Dunes Comment
  UC1103444  Trifolium oliganthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3609 Humboldt near Hydesville; Northern Coast Region Comment
  UC175151  Trifolium oliganthum Joseph P. Tracy 1913-6-22 4269 Humboldt opposite Buck Mtn (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC15177  Trifolium willdenovii D. E. Anderson 1965-5-8 3643 Humboldt About 2 mi. N of Willow Creek on the road running along E side of Trinity River Comment
  UCD109861  Trifolium willdenovii A. H. Murphy 1947-5-15 s.n. Humboldt In Klamath weed field, 3 miles south of Blocksburg. Comment
  UC162834  Trifolium wormskioldii J. P. Tracy 1906-8-18 2547 Humboldt Eureka vicinity 0 Comment
  UC168972  Trifolium wormskioldii Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3590 Humboldt near Hydesville Northern Coast Ranges 30 Comment
  RSA168905  Trifolium wormskioldii Joseph P. Tracy 1938-7-24 16087 Humboldt Corner of Pacific and A Streets. Eureka. Comment
  UC303197  Trifolium wormskioldii Joseph P. Tracy 1925-5-30 7044 Humboldt McClellan Mtn Northern Coast Ranges 822 Comment
  UC1130595  Triglochin maritima H. S. Yates 1936-6-23 5860 Humboldt 1 mi w Bayside; Eureka Quadrangle Comment
  HSC93841  Triglochin striata Gordon Leppig 1999-10-25 1267 Humboldt Hwy. 101, mi. marker 61.40, E side of Hwy. 2 Comment
  HSC101798  Trillium albidum Kjirsten A. Wayman 2011-6-5 279 Humboldt Near Cold Spring camp, 7.4 mi. south of Hwy 299 on Titlow Hill Rd., N 40.82998 deg. W 123.71219 deg. 1408 Comment
  HSC101813  Trillium albidum Kjirsten A. Wayman 2012-5-4 316 Humboldt Bald Hills Road, 16.6 mi. from Hwy 101, N 41.15213 deg. W 123.88952 deg. 768 Comment
  HSC39195  Trillium albidum D. E. Anderson, J. P. Smith 1971-7-6 - 1330 Humboldt 1.0 mi. W of Pine Ridge Summit, 6 mi. E of junction with Redwood Valley Rd. Comment
  CAS-BOT-BC519077  Trillium angustipetalum Doris K. Kildale; L. B. Kildale 1930-5-11 9531 Humboldt Wiregrass Prairie, The Bald Hills 792 Comment
  CAS-BOT-BC133389  Trillium ovatum Alice Eastwood 1907-4-21 28 Humboldt Port Trinidad Comment
  HSC15699  Trillium ovatum D. E. Anderson 1962-2-23 1923 Humboldt Grove E of HSC campus Comment
  HSC37360  Trillium ovatum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 490 Humboldt Along Lost Man Creek. 38 Comment
  CAS-BOT-BC133395  Trillium ovatum Doris K. Kildale 1926-3-25 1630 Humboldt Foot of Liscom Hill near Essex 30 Comment
  CAS-BOT-BC133398  Trillium ovatum Volney Rattan 1879-6-1 s.n. Humboldt Trail to Hoopa Comment
  SEINET12810619  Trillium ovatum John D. Freeman, Ruth R. Freeman 1967-1 Humboldt Comment
  JEPS884  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1142 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  JEPS26219  Triphysaria eriantha subsp. eriantha J. P. Tracy 1911-5-30 3207 Humboldt at Eureka Bucksport (Bucksport); Northern Coast Region, Eureka 0 Comment
  HSC20903  Triphysaria pusilla F. B. Plett 1963-5-11 44 Humboldt 1.5 mi. N of Trinidad on old Hwy. 101 Comment
  UC902259  Triphysaria pusilla Joseph P. Tracy 1948-5-15 17974 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley, at Willow Creek 152 Comment
  UC179947  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1914-5-14 4472 Humboldt Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC1222438  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1942-4-12 17070 Humboldt Eureka 6 Comment
  UCSB15950  Triphysaria versicolor subsp. faucibarbata Breedlove, Dennis 1962-6-7 Humboldt 3 miles south of southern city limits of Eureka on U.S. Highway 101 3 Comment
  UCD123426  Triphysaria versicolor subsp. versicolor Linda M. Barker 1976-4-13 1424 Humboldt 3 miles west of Arcata. Comment
  UC905633  Trisetum canescens David D. Keck 1948-6-2 6006 Humboldt 4 mi w Willow Creek (near boundary of Six River National Forest, e side of Rocky Ridge, e of Berry's summit); Rocky Ridge 457 Comment
  HSC13423  Trisetum cernuum T. F. Newman 1966-5-1 6645 Humboldt H.S.U Campus Comment
  SEINET200769  Triteleia bridgesii Joseph P. Tracy 1949-6-25 18345 Humboldt Trinity Summit Mud Springs in serpentine area 1341 Comment
  UC15047  Triteleia laxa Harley P. Chandler May 1901 1247 Humboldt Redwood Belt North Coast Ranges 152 Comment
  CAS-BOT-BC526354  Triteleia laxa Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC1222685  Triteleia peduncularis Joseph P. Tracy 1950-6-15 18770 Humboldt near Redcrest Resort (Englewood); Englewood 91 Comment
  HSC49015  Tropaeolum majus Patricia Shesgreen 1978-8-5 129 Humboldt Along side road on 16th St., 100 yds. E of Union St., Arcata. Comment
  CAS-BOT-BC85891  Tsuga heterophylla C. B. Wolf 1930-10-25 1019 Humboldt Along the Blue Lake to Willow Creek road (Lord Ellis Road), 12 mi. above Blue Lake 304 Comment
  HSC49911  Umbellularia californica Maralyn O'Meara 1973-2-9 123 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  RSA134171  Umbellularia californica P. C. Everett, E. K. Balls 1959-10-25 23958 Humboldt 12.4 mi W from Willow Creek along US Hwy 299 to Arcata. 655 Comment
  UC1196281  Umbellularia californica Joseph P. Tracy 1926-12-5 7835 Humboldt Blue Slide, on Van Duzen River Van Duzen River; Northern Coast Ranges, Blue Slide, Van Duzen River 91 Comment
  UC128871  Uropappus lindleyi Harley P. Chandler Jun 1901 1508 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  UC302988  Urtica dioica subsp. gracilis Joseph P. Tracy 1926-5-25 7516 Humboldt around Humboldt Bay (Northern Coast Ranges, Elk River Valley); Northern Coast Ranges, Elk River Valley 30 Comment
  CAS-BOT-BC193963  Vaccinium cespitosum Doris Kildale 1931-5-10 10581 Humboldt Snow Camp Comment
  UC1193355  Vaccinium ovatum P. Zinke 1950-9-21 165 Humboldt se slope Kerr Peak (Quad 29C2) 609 Comment
  UCD166883  Vaccinium ovatum Colleen Rossier 2016-9-16 1 Humboldt In vicinity of Red Cap Road, upper side of road, plot Red Cap #1. 264 Comment
  CAS-BOT-BC199410  Vaccinium parvifolium Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC37332  Vaccinium parvifolium Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 477 Humboldt Along Lost Man Creek. 38 Comment
  HSC48152  Valeriana sitchensis subsp. sitchensis Brad Klipfel 1975-5-30 656 Humboldt N of Horse Mtn. Comment
  HSC48405  Valeriana sitchensis subsp. sitchensis Brad Klipfel 1973-6-10 108 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99651  Vancouveria planipetala Jimerson, J. Pageau 1979-6-12 530 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  RSA161170  Vancouveria planipetala P. H. Raven, R. Snow 1958-7-20 13631 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  SEINET10904790  Vancouveria planipetala Jones 1985-5-10 Jones 35 Humboldt T5n,r6e,sec.34, grays falls campground off of hwy 299. Ceanothus, arbutus, Quercus lobata habitat 241 Comment
  UC146078  Vancouveria planipetala Joseph P. Tracy 1908-6-23 2678 Humboldt near Grizzly Gulch; Northern Coast Ranges, near Grizzly Gulch 152 Comment
  UCD95101  Vancouveria planipetala Rolf Y. Berg 1963-7-5 s.n. Humboldt near south entrance to Benbow Lake State Park, U.S. Highway 101. Comment
  HSC102699  Ventenata dubia J. P. Smith 2013-6-16 13726 Humboldt Along State Route 36, just west of the 31.40 highway sign (milepost). 757 Comment
  UC1225858  Veratrum viride Joseph P. Tracy 1942-9-6 17312 Humboldt near McKay (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC39719  Verbena lasiostachys D. E. Anderson, J. P. Smith 1971-6-28 - 1258 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  UC1239563  Verbena lasiostachys var. lasiostachys Joseph P. Tracy 1911-7-9 3479 Humboldt near mouth of Willow Creek; Trinity River Valley 152 Comment
  HSC70356  Veronica americana M. A. Baker 1980-6-7 1865 Humboldt Near Ammon Creek 732 Comment
  UC175797  Veronica americana Joseph P. Tracy 1912-6-9 3685 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UCD124661  Veronica americana Malcolm A. Nobs; S. Galen Smith 1949-8-9 1227 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  JEPS26268  Veronica arvensis Joseph P. Tracy 1906-6-10 2482 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC147899  Veronica arvensis Joseph P. Tracy 1908-6-9 2669 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC12758  Veronica persica M. J. Athey 1970-12-2 24 Humboldt 1st St. in Westhaven, Trinidad Comment
  HSC37846  Veronica persica Thomas W. Nelson, James Nelson 1976-3-11 2265 Humboldt Beside Eel River just N of terminus of Singley Rd. Comment
  JEPS4464  Veronica scutellata W. L. Jepson 1902-6-24 1921 Humboldt between Eureka and Arcata (Expedition from Ukiah to the Hupa Indian Reservation) Comment
  HSC99374  Veronica serpyllifolia subsp. humifusa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 23 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET12157686  Vicia americana J. P. Tracy 1942-1 17231 Humboldt Trinity Summit, near Box Camp 1524 Comment
  UC160988  Vicia americana var. americana Joseph P. Tracy 1911-7-7 3431 Humboldt Brannan Mountain Northern Coast Ranges (viz ridge n of Willow Creek, between Willow Creek and Campbell Creek, near the summit) 1219 Comment
  RSA20860  Vicia benghalensis Carl B. Wolf 1937-6-18 8899 Humboldt 1/2 miles E of Alton. 21 Comment
  HSC49032  Vicia gigantea Patricia Shesgreen 1978-5-5 65 Humboldt 5.1 mi. S of Ferndale on Mattole Rd. Comment
  HSC81921  Vicia gigantea Thomas W. Nelson, Jane P. Nelson 1979-7-3 4966 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC89513  Vicia gigantea M. Roantree 1985-4-25 7 Humboldt E side of Trinidad Head Comment
  RSA138213  Vicia gigantea Volney Rattan 1880-1 s.n. Humboldt Mad River Comment
  HSC15269  Vicia gigantea C. O. Baker 1962-5-7 33 Humboldt 2 mi. S of Trinidad along Hwy. 101 15 Comment
  POM68419  Vicia sativa Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC71472  Vicia tetrasperma J. P. Smith, J. O. Sawyer 1973-5-12 6665 Humboldt 1.0 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC71614  Vicia tetrasperma J. P. Smith 1973-5-26 6832 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UCSB61648  Vicia tetrasperma Ertter, Barbara; Delendick, Thomas 1987-5-16 Humboldt Hwy 299 roadside ca. 8 mi E of Arcata, 9 1/2 mi W of Lord Ellis summit Comment
  CAS-BOT-BC263949  Viola adunca L. B. Kildale 1927-4-10 3084 Humboldt Big Lagoon Comment
  HSC21758  Viola adunca F. B. Plett 1963-3-9 5 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  RSA77779  Viola adunca F. W. Peirson 1926-7-12 7028 Humboldt West slope of Coast Range back of Orick. Comment
  HSC100915  Viola blanda Carl C. Marshall Jun 1886 312 Humboldt Trinity Summit. Comment
  HSC31194  Viola cuneata D. E. Anderson 1972-6-20 5749 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC100696  Viola glabella Carl C. Marshall Jun 1886 278 Humboldt Trinity Summit. Comment
  HSC48741  Viola glabella Brad Klipfel 1973-6-10 66 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC71790  Viola glabella Gail Newton 1980-6-16 178 Humboldt Near Monks Camp. 1097 Comment
  UC502935  Viola glabella Joseph P. Tracy 1932-7-17 10682 Humboldt head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC21792  Viola glabella R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-28 1382 Humboldt S side of Prairie Creek State Park about 1/4 mi. W of Hwy. 101 Comment
  HSC45612  Viola glabella Diane L. Reed 1978-5-7 54 Humboldt Top of Friday Ridge, 3 mi. S of Brush Mtn. on Friday Ridge Rd. Comment
  HSC21822  Viola ocellata D. E. Anderson 1965-5-1 3557 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  HSC71027  Viola ocellata Thomas W. Nelson 1977-4-20 3319 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  HSC83417  Viola ocellata R. N. Raynor 1935-4-15 Humboldt Fort Seward Comment
  CDA36588  Viola odorata Gordon Leppig, Sylvia Leppig 2000-12-23 1525 Humboldt Arcata; southwest corner of 10th & I Street. Comment
  UCR45417  Viola praemorsa subsp. praemorsa Pearson, Anderson, Flinn 1986-4-19 210 Humboldt Horse Mountain; 3 miles up Titlow Hill Rd. off Hwy 299 1434 Comment
  HSC98758  Viola purpurea subsp. purpurea Cara Witte 2008-7-2 818 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  HSC34643  Viola sempervirens Thomas Anthony 1975-4-8 4 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  UC1198436  Viola sempervirens Joseph P. Tracy 1933-3-26 10938 Humboldt Big Lagoon 30 Comment
  UC164816  Viola sempervirens Joseph P. Tracy 1901-1-1 978 Humboldt immediate vicintiy of Eureka 0 Comment
  UC183750  Viola sempervirens Joseph P. Tracy 1913-5-4 4054 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC963849  Viola sempervirens H. E. and S. T. Parks April, 1944 24268 Humboldt Spruce Cove; North Coast Ranges, Trinidad, Spruce Cove 60 Comment
  HSC12233  Viola sempervirens Gary J. Stebbins 1970-2-2 3 Humboldt In Big Lagoon Park 2.7 mi. W of U.S. 101 Comment
  HSC59449  Viola sempervirens Kenneth Clark 1979-3-31 2 Humboldt 0.7 mi. E of the end of Granite Ave., Arcata 46 Comment
  RSA46480  Viola sempervirens Doris K. Kildale 1927-3-19 2901 Humboldt Luffenholtz Creek. Comment
  UC183557  Viola sempervirens Joseph P. Tracy 1913-6-20 4221 Humboldt in valley of Van Duzen River (opposite Buck Mountain, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC32889  Viola sheltonii Thomas W. Nelson 1973-5-30 975 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  UC34984  Vitis californica Chesnut and Drew 1888-7-25 Humboldt Hy-Am-Pom Comment
  UC668146  Vitis californica Joseph P. Tracy 1933-9-9 13077 Humboldt Garberville South Fork of Eel River 152 Comment
  UC277196  Vulpia microstachys var. pauciflora Joseph P. Tracy 1921-5-30 5482 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC38479  Vulpia myuros var. hirsuta Harley P. Chandler May 1901 1120 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  HSC23142  Whipplea modesta Norman Dennis 1965-6-19 127 Humboldt 0.25 mi. S and 1.0 mi. E of jct. of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 2 mi. SE of Kneeland 793 Comment
  CAS-BOT-BC382919  Wyethia angustifolia Doris K. Kildale 1927-5-20 3205 Humboldt Bug Creek 792 Comment
  HSC38521  Wyethia angustifolia D. E. Anderson, J. P. Smith 1971-6-18 - 1077 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  HSC40040  Wyethia angustifolia Thomas W. Nelson, Jane P. Nelson 1976-7-1 2891 Humboldt Ridge N of Bear Creek 1463 Comment
  HSC6317  Wyethia angustifolia D. E. Anderson 1963-5-25 2484 Humboldt 2-3 mi. N of Capetown Comment
  UC582644  Wyethia angustifolia Joseph P. Tracy 1927-7-24 8295 Humboldt Upper Mattole Valley; Upper Mattole Valley 152 Comment
  HSC23679  Zeltnera muehlenbergii Tim Baroni 1971-7-5 103 Humboldt 8 mi. E of Petrolia Comment
  HSC15760  Zigadenus fremontii R. Spellenberg 1965-6-14 1127 Humboldt Kneeland Prairie, at Kneeland Airport 6 mi. SE of Kneeland Comment



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