Search Results — 2000 specimen records retrieved (1376 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)
Results for search: County=HUMBOLDT; Source=All;   
Map/download results:
BerkeleyMapper with layers and yellow flags
Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC55121  Abies concolor G. L. Clifton, Griswold 1979-8-1 11916 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  CAS-BOT-BC78051  Abies grandis L. R. Abrams 1918-6-15 7100 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  UC213003  Abies grandis Joseph P. Tracy 1919-4-6 5125 Humboldt Humboldt Hill Northern Coast Region, Humboldt Bay, Humboldt Hill 152 Comment
  CAS-BOT-BC73483  Abies magnifica Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mts. 1828 Comment
  CAS-BOT-BC383850  Abronia latifolia Ira L. Wiggins 1930-7-7 4672 Humboldt Near Samoa Comment
  SD42285  Abronia latifolia Carl B. Wolf 1937-9-9 3064 Humboldt Coast, 2 miles south of Cape Mendocino 6 Comment
  UCR32087  Abronia latifolia David J. Keil 1983-7-1 17287 Humboldt Pacific Coast, c. 5 mi. west of Petrolia along Mattole Road 225 Comment
  RSA0025086  Abronia latifolia T. S. Elias, Barbara A. Elias 1987-8-24 10621 Humboldt Prairie Creek Redwoods State Park, Gold Bluffs Beach. Comment
  BLMAR389  Abronia umbellata subsp. breviflora Jennifer Anthony-Wheeler 2004-10-10 389 Humboldt Samoa/manilla dunes, Due west of water line tower number77 3 Comment
  HSC100371  Acaena novae-zelandiae J. McRae 2010-6-18 Humboldt McKinleyville, USFS Humboldt Nursery. Comment
  RSA183640  Acer circinatum D. E. Anderson 1965-5-8 3627 Humboldt 0.6 miles west of bridge over North Fork of Mad River, along Highway 299 Comment
  UC1199018  Acer circinatum Joseph P. Tracy 1923-10-14 6571 Humboldt 5 mi se Bridgeville (near the Burr Creek divide, head of Hoagland Creek); Northern Coast Ranges, head Hoagland Creek 609 Comment
  UC35086  Acer circinatum W. C. Blasdale 1890-1 Humboldt Blue Lake Comment
  HSC58129  Acer glabrum var. torreyi Gilbert Muth 1979-8-1 12124 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CAS-BOT-BC331590  Acer macrophyllum Joseph Andorfer Ewan 1937-7-1 10435 Humboldt Stephan Grove on Eel River, N of Garberville Comment
  HSC2812  Acer macrophyllum R. E. Thill 1965-5-1 27 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC60002  Acer macrophyllum M. A. Baker 1977-6-6 370 Humboldt Hoopa Comment
  HSC98573  Acer macrophyllum C. Witte 2007-5-17 31 Humboldt National Forest Road 5N10. 1/2 mile east of intersection with National Forest 1. 1441 Comment
  SEINET8734158 Image available Achillea borealis subsp. californica H. E. Parks, S. T. Parks 1943-1 24246 Humboldt Egg Point, Trinidad 122 Comment
  RSA298149  Achillea millefolium James Payne Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SD41358  Achillea millefolium Edith A. Purer 1932-7-30 4674 Humboldt South of Orick. Comment
  UC1125415  Achillea millefolium H. L. Person 1931-7-30 19358 Humboldt Fieldbrook; Eureka Quad. Comment
  UCD128345  Achillea millefolium James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  RSA50430  Achillea millefolium var. arenicola G. R. Campbell 1949-6-28 s.n. Humboldt Collected near pool on Administration Grounds of Botanic Gardens, grown under prop. No. 5487 (seed collected by P. C. Everett, July 20, 1947, on coastal sand dunes, mouth of little river, along hwy 101, north of Eureka) Comment
  HSC73179  Achlys triphylla M. A. Baker 1980-5-18 1295 Humboldt Near Black Mtn. 1006 Comment
  RSA10032  Achnatherum nevadense Joseph P. Tracy 1932-7-12 10446 Humboldt Open ground at Corral Prairie, Trinity Summit, Klamath Mountains. 1524 Comment
  UCD103770  Acmispon americanus var. americanus Linda M. Barker 1976-6-1 1548 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCD103751  Acmispon denticulatus Bill Brooks 1948-6-1 s.n. Humboldt Van Duzen River, 3 mi. W of Bridgeville. Comment
  HSC99546  Aconitum columbianum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 211 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC99842  Aconitum columbianum subsp. viviparum T. Jimerson, J. Pageau 1979-8-10 737 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC54752  Aconogonon davisiae G. L. Clifton, Griswold 1979-7-26 10270 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC73574  Adenocaulon bicolor Gail Newton 1980-7-14 1511 Humboldt Near Deadman Ridge 1097 Comment
  HSC76187  Adenocaulon bicolor Overton, Butler 1979-7-24 9785 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC76344  Adenocaulon bicolor Teresa Prendusi 1981-7-24 487 Humboldt Near Whiteys Peak 1585 Comment
  JEPS33912  Adenocaulon bicolor W. L. Jepson 1932-7-27 16428 Humboldt Bull Creek 106 Comment
  CAS-BOT-BC29864  Adenocaulon bicolor Carl B. Wolf 1927-8-21 766 Humboldt In Stephen's Grove Comment
  UC249775 Image available Adiantum X tracyi Joseph P. Tracy 1924-9-16 6868 Humboldt Eureka 30 Comment
  HSC74197  Agastache urticifolia M. A. Baker 1980-7-22 3126 Humboldt Near Grogan Hole. 1676 Comment
  UC154271  Agastache urticifolia Joseph Burtt Davy 1899-6-20 5694 Humboldt Hoopa Valley Comment
  HSC5638  Ageratina occidentalis D. E. Anderson 1965-9-5 4094 Humboldt Along Mad River, ca. 3 miles south of Blue Lake Comment
  UC1173668  Ageratina occidentalis Joseph P. Tracy 1939-8-5 16388 Humboldt along Van Duzen River, opposite Black Mt.; Van Duzen River 737 Comment
  SEINET11854998  Agoseris grandiflora J. P. Tracy 1942-1 17276 Humboldt Garberville. North end of town Comment
  UCD128594  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt north end of town, Garberville. Comment
  UCD128596  Agoseris grandiflora Joseph P. Tracy 1949-6-25 18344 Humboldt 1 mile west of Mud Springs (to Box Camp on west slope of Trinity Summit). Comment
  CAS-BOT-BC29625  Agoseris grandiflora var. grandiflora Henry M. Pollard 1927-7-3 3648 Humboldt Between Orleans and Van Fleet Ranch Comment
  OBI6921  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1949-6-25 18344 Humboldt 1 mi W of Mud Springs (to Box camp on W slope of Trinity summit) Comment
  SEINET6998445  Agoseris heterophylla Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near west end of Bald Hills, southeast of Orick. Comment
  UC582741  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1933-5-30 12417 Humboldt (near Garberville) Redway 152 Comment
  POM126127  Agoseris hirsuta Joseph P. Tracy 1923-6-20 6316 Humboldt White Thorn Valley 305 Comment
  UC249843  Agoseris hirsuta Joseph P. Tracy 1923-6-20 6316 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC127298  Agrostis exarata Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  CAS-BOT-BC127323  Agrostis exarata Doris K. Kildale 1926-6-27 2195 Humboldt McClellan Mountain. 822 Comment
  POM247142  Agrostis exarata H. E. Parks 1935-06 5607 Humboldt Spruce Cove, Trinidad. Comment
  RSA21206  Agrostis exarata C. B. Wolf 1937-8-10 9095 Humboldt Big Lagoon, so. side, w. side of Redwood Highway 6 Comment
  RSA32726  Agrostis exarata A. A. Heller 1923-7-8 13772 Humboldt Near Fortuna Comment
  UC1103372  Agrostis exarata Joseph P. Tracy 1902-6-20 1754 1/2 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  UC186901  Agrostis exarata J. P. Tracy 1902-6-20 1754 Humboldt vicinity Eureka 0 Comment
  UCD52139  Agrostis exarata Joseph P. Tracy 1936-6-28 15030 Humboldt Bald Mountain; at 'Lake Prairie'. 1066 Comment
  HSC58753  Agrostis gigantea Overton, Butler 1979-7-24 9698 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC139498  Agrostis hallii W. A. Silveus 2981 Humboldt Dyerville. Comment
  CAS-BOT-BC139500  Agrostis hallii Ira L. Wiggins 1932-7-25 5896 Humboldt Roadsides near McKinleyville. Comment
  UC188851  Agrostis hallii Joseph Burtt Davy 1899-6-16 5564 Humboldt Alton Comment
  UC33734  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5723 Humboldt Supply Creek Comment
  UCD52555  Agrostis hallii P. B. Kennedy 1929-6-14 308 Humboldt Humboldt County. Comment
  UCD52675  Agrostis hallii P. B. Kennedy 1923-6-14 305 Humboldt Stoddard store, near Garberville. Comment
  UCD52807  Agrostis idahoensis Joseph P. Tracy 1950-7-31 19243 Humboldt Grouse Mountain. 1615 Comment
  SBBG53087  Agrostis longiligula R. N. Philbrick, J. R. Haller 1976-6-25 7 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC552752  Agrostis oregonensis Joseph P. Tracy 1934-7-18 13452 Humboldt in wet meadow North Coast Ranges, Grouse Mountain 1524 Comment
  POM207266  Agrostis pallens Davy Blasdale 1899-05 5723 Humboldt Supply Creek Comment
  UC1103522  Agrostis pallens Joseph P. Tracy 1932-7-14 10551 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UCD53145  Agrostis pallens R. Tofsrud 1948-1 s.n. Humboldt Clear Lake, road from Horse Mt. to Grouse Mt. 1371 Comment
  BLMAR22  Agrostis stolonifera Brad Barr June, 1982 22 Humboldt King range, Spanish ridge Comment
  UC187294  Agrostis stolonifera Joseph P. Tracy 1909-7-11 3012 Humboldt Eureka Northern Coast Region 0 Comment
  UC552778  Agrostis thurberiana Joseph P. Tracy 1934-7-18 13453 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  CAS-BOT-BC138441  Aira caryophyllea H. E. Parks; S. T. Parks 1936-6-1 5850 Humboldt Spruce Cove, Trinidad. Comment
  UC1541534  Aira caryophyllea Harold E. Parks May 1934 4946 Humboldt Spruce Cove Trinidad 91 Comment
  HSC104039  Aira elegans C. Reynolds 2015-3-21 25 Humboldt Willow Creek; At bend in Trinity River, on the east end of Kimtu beach, near Camp Kimtu 135 Comment
  RSA183573  Aira praecox R. I. Bonn 1965-5-7 22 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  RSA90195  Aira praecox Joseph P. Tracy 1925-3-24 11669 Humboldt Eureka, North Coast Range. Comment
  HSC57873  Allium campanulatum Overton, Butler 1979-7-31 11409 Humboldt Near Water Dog Lakes 1830 Comment
  HSC58123  Allium campanulatum G. L. Clifton, Griswold 1979-8-1 12098 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC666927  Allium campanulatum Joseph P. Tracy 1933-7-25 12863 Humboldt Grouse Mountain 1524 Comment
  HSC57406  Allium falcifolium G. L. Clifton, Griswold 1979-7-26 10158 Humboldt Near Salmon Mtn. 2058 Comment
  HSC74089  Allium falcifolium Gail Newton 1980-6-28 679 Humboldt Near Mad River Butte 1536 Comment
  UC666906  Allium membranaceum Joseph P. Tracy 1929-6-3 8599 Humboldt Trinity River Valley at Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UC1196540  Allium triquetrum H. E. Peacock 1942-4-6 Humboldt Ferndale 15 Comment
  HSC2971  Allium triquetrum N. D. Dennis 1965-4-17 25 Humboldt 1.0 mi. from Arcata on Old Samoa Rd. Comment
  HSC63837  Allotropa virgata M. A. Baker 1979-6-26 905 Humboldt N side of ridge near summit Comment
  CAS-BOT-BC170947  Alnus rhombifolia Joseph P. Tracy 1930-11-2 9243 Humboldt Camp Grant, along Eel River 60 Comment
  CHSC130  Alnus rubra A. Small 1953-4-1 Humboldt Near Ferndale. Comment
  HSC65138  Alnus rubra J. P. Smith 1971-10-9 4986 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC69582  Alnus rubra R. Kalal 1979-5-18 66 Humboldt Union St. between 11th and 12th St. 34 Comment
  POM212075  Alnus rubra C. B. Wolf 1930-10-26 1967 Humboldt south edge of Big Lagoon, near the Redwood highway bridge. 3 Comment
  SBBG25879  Alnus rubra E. R. Blakley 1966-8-17 6797 Humboldt Patrick's Point 5 mi N of Trinidad 60 Comment
  UC503086  Alnus rubra Joseph P. Tracy 1931-9-26 9698 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  UC503098  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UCD170775  Alnus rubra Gordon Leppig 1998-3-25 724 Humboldt McKinleyville, Central Ave. South-bound lane near 101 junction. 42 Comment
  RSA46662  Alnus viridis subsp. sinuata Doris K. Kildale 1937-9-26 15377 Humboldt Snow Camp. Comment
  UC673032  Amaranthus albus Joseph P. Tracy 1940-10-15 16756 Humboldt Willow Creek Trinity River Valley 152 Comment
  BLMAR626  Amelanchier alnifolia var. semiintegrifolia Jennifer Wheeler 2011-6-15 626 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  HSC70814  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-24 1778 Humboldt Near Somes Mtn. 1615 Comment
  HSC55636  Amelanchier pallida Overton, Butler 1979-7-24 9662 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC902150  Amelanchier utahensis Joseph P. Tracy 1946-7-13 17618 Humboldt 5 mi e Carlotta (open flat by old Strong's District School House) 60 Comment
  CDA18243  Ammophila arenaria G. D. Barbe, T. C. Fuller 1974-6-19 1881 Humboldt North Coast Ranges; Mad River mouth, beach S of river, at end of Iversen Lane, Tyee City. 7 Comment
  HSC23719  Anagallis arvensis Tim Baroni 1971-7-5 104 Humboldt 8 mi. E of Petrolia Comment
  UCSB17330  Anemone deltoidea Breedlove, Dennis 1962-6-8 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  HSC99355  Anemone oregana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-21 4 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1196190  Anemone oregana Joseph P. Tracy 1901-4-26 1042 Humboldt n slope Humboldt Hill (near Buhne's Ranch, region about Humboldt Bay); North Coast Ranges 0 Comment
  HSC21444  Angelica genuflexa D. E. Anderson 1961-9-30 1852 Humboldt Blue Lake Comment
  UC582660  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  UC642308  Angelica hendersonii Joseph P. Tracy 1938-8-28 16134 Humboldt Trinidad 3 Comment
  UC314601  Angelica hendersonii Joseph P. Tracy 1923-9-23 6560 Humboldt Northern Coast Region, Alton Alton Alton Alton; Northern Coast Region, Alton 30 Comment
  UC154048  Angelica lucida Joseph P. Tracy 1909-9-19 3087 Humboldt Region about Humboldt Bay (near Samoa, Northern Coast Region); Northern Coast Region 0 Comment
  HSC70993  Angelica tomentosa Thomas W. Nelson 1977-9-3 3731 Humboldt Old logging road just E of Pine Mtn., Lassics 1433 Comment
  UC642238  Angelica tomentosa Joseph P. Tracy 1938-8-14 16107 Humboldt Northern Coast Ranges, Willow Creek Canyon Willow Creek Canyon Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 457 Comment
  SD109165  Angelica tomentosa var. hendersonii Joseph M. DiTomaso 1980-7-29 1800 Humboldt Elkshead, ca. 2 miles north of Trinidad Comment
  CAS-BOT-BC77290  Antennaria microphylla Joseph P. Tracy 1935-7-24 14169 Humboldt Trinity Summit, near ranger station 1828 Comment
  HSC56940  Antennaria suffrutescens Overton, Butler 1979-7-23 9419 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC4669  Anthemis cotula Frances Oldridge 1945-1 Humboldt Eureka Comment
  UCD56135  Anthoxanthum aristatum W. R. Powell 1960-7-9 s.n. Humboldt 10 miles SE of Orick (direct line), Dolason Hill Prairie of the Bald Hills, along Orick-Weitchpec Road. 731 Comment
  SACT000343  Anthoxanthum odoratum Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt marshes bordering Humboldt Bay, 2 miles north of Eureka Comment
  UC1100219  Anthoxanthum odoratum Malcolm A. Nobs, S. Galen Smith 1949-8-3 1193 Humboldt at southern outskirts of Eureka Eureka Comment
  UC922012  Anthoxanthum odoratum Joseph P. Tracy 1948-6-13 18046 Humboldt Dobbyn Creek 152 Comment
  UC582468  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1936-6-27 16003 Humboldt Miranda 91 Comment
  RSA54142  Antirrhinum vexillocalyculatum subsp. breweri H. M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  UC1198737  Aphanes occidentalis J. P. Tracy 1904-4-3 2005 Humboldt immediate vicinity Eureka 0 Comment
  HSC24399  Apocynum androsaemifolium J. O. Sawyer 1970-6-24 2225 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC3199  Apocynum androsaemifolium H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  RSA85397  Apocynum androsaemifolium subsp. pumilum E. K. Balls, Lee W. Lenz 1956-6-12 21661 Humboldt 4.4 mi SW from Willow Creek, along US Hwy. 299, Willow Creek to Arcata 366 Comment
  HSC102623  Aquilegia formosa M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1610 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC99426  Aquilegia formosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 75 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC18041  Aquilegia formosa var. formosa N. D. Dennis 1965-5-8 57 Humboldt 2.5mi N of Willow Creek Comment
  HSC97563  Aquilegia formosa var. formosa Cara Witte 2007-6-1 165 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1355 Comment
  HSC56326  Aquilegia formosa var. truncata Overton, Butler 1979-8-2 12669 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC56440  Arabis glabra Griswold, Butler 1979-7-12 7172 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 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
  OBI33241  Aralia californica David J. Keil 1983-7-1 17260 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  CAS-BOT-BC128652  Arbutus menziesii L. B. Kildale 1930-8-3 10489 Humboldt Chaparral Mt. at Bug Creek Comment
  CAS-BOT-BC128699  Arbutus menziesii Doris K. Kildale 1927-4-17 3091 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  RSA183602  Arbutus menziesii Norman Dennis 1965-5-8 59 Humboldt 6 miles east of Blue Lake on Highway 299. Comment
  UC1196882  Arbutus menziesii Joseph P. Tracy 1941-3-26 16847 Humboldt w of mouth of South Fork Trinity River 457 Comment
  UC154197  Arctostaphylos Harley P. Chandler June 1901 1291 Humboldt Hupa Indian Reservation North Coast Ranges 1097 Comment
  UC585943  Arctostaphylos Joseph P. Tracy 1933-8-6 12958 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23780  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23825  Arctostaphylos columbiana Doris K. Kildale 1927-3-25 3011 Humboldt Humboldt Hill Comment
  SEINET11998372  Arctostaphylos columbiana W. Knight, Knight, I. 1989-1 6476 Humboldt Patrick's Point State Park 24 Comment
  RSA46459  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1927-3-25 3011 Humboldt Humboldt Hill Comment
  RSA47120  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1925-12-27 1453 Humboldt Kneeland Comment
  RSA81544  Arctostaphylos columbiana var. tracyi E. K. Balls, Percy C. Everett, B. K. Balls 1953-10-11 18626 Humboldt 0.1 mi. N of Humbolt-Mendecino Co. line, Hwy 101. 168 Comment
  HSC7629  Arctostaphylos glandulosa Unknown Humboldt 1 mi. W of Queens Rd. 610 Comment
  UCSB11320  Arctostaphylos glandulosa Zinke, P. 1950-10-9 Humboldt King Peak 1280 Comment
  UC1193023  Arctostaphylos glandulosa subsp. glandulosa R. E. Nelson 1950-7-26 146 Humboldt 1/2 mi nw Neafus Peak; Quad. 29D1 762 Comment
  UC1193024  Arctostaphylos glandulosa subsp. glandulosa P. Zinke 1950-10-5 172 Humboldt 6 mi sw Honeydew; Quad 28D2, Beartrap Ridge 914 Comment
  JEPS38942  Arctostaphylos hookeri subsp. montana Joseph P. Tracy 1934-3-11 13154 Humboldt French Camp Ridge Comment
  SEINET11998344  Arctostaphylos klamathensis Unknown 1989-1 s.n. Humboldt Fish Lake Area near Weitchpec, near Klameth River 549 Comment
  UCD51978  Arctostaphylos manzanita R. N. Raynor 1935-3-2 Humboldt Ft. Seward. Comment
  JEPS38938  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1933-4-2 10949 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1198680  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1930-6-15 8757 Humboldt Dobbyn Creek 152 Comment
  UC153967  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1909-10-7 3112 Humboldt Gans Prairie Northern Coast Ranges 609 Comment
  UC32688  Arctostaphylos manzanita subsp. manzanita Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC32672  Arctostaphylos nevadensis Chesnut and Drew 1888-7-21 Humboldt e slope S. Fork Mt. Comment
  CAS-BOT-BC46633  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8135 Humboldt Horse Mountain. 1432 Comment
  HSC7727  Arctostaphylos uva-ursi J. W. Johnson 1961-8-17 1013 Humboldt W.M. Lanphere Farm, Samoa Peninsula Comment
  SD41456  Arctostaphylos uva-ursi Edith A. Purer 1932-7-27 4136 Humboldt Samoa, near Arcata Comment
  UC1225930  Arctostaphylos uva-ursi Joseph P. Tracy 1945-5-10 17506 Humboldt Eureka 45 Comment
  UC1795607  Arctotheca calendula G. D. Barbe, T. C. Fuller 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale Comment
  CDA34337  Arctotheca calendula G. D. Barbe, T. C. Fuller 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles W of Main St., Centerville Beach Rd., Ferndale. 0 Comment
  CAS-BOT-BC467182  Arenaria serpyllifolia var. serpyllifolia Henry M. Pollard 1946-8-13 s.n. Humboldt Klamath River, near Orleans Comment
  SEINET200929  Aristida oligantha J. P. Tracy 1919-9-15 5222 Humboldt Northern Coast Ranges; valley of Trinity River near mouth of Willoe Creek 152 Comment
  RSA89768  Armeria maritima subsp. californica P. A. Munz 1954-7-25 19874 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  UC195424  Armeria maritima subsp. californica Joseph P. Tracy 1915-6-6 4649 Humboldt Bay Shore Northern Coast Region, Eureka 0 Comment
  SEINET6413745  Arnica cordifolia R. Spellenberg, S. Spellenberg 2014-5-24 14825 Humboldt USFS Road 1 S of CA Highway 299 at Berry Summit, 1.5 km N of junction with USFS Road 6N36 to translator towers. 1448 Comment
  HSC64162  Arnica discoidea J. O. Sawyer, K. A. Sawyer 1979-6-24 3406 Humboldt Slopes alongside Aikens Creek. 366 Comment
  SEINET3098738  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt Trinity Summit. Fir woods near Corral Prairie 1520 Comment
  UC1222998  Artemisia douglasiana Joseph P. Tracy 1947-8-24 17892 Humboldt Meadow at Box Camp; Trinity Summit 1463 Comment
  SEINET11853294  Artemisia douglasiana J. P. Tracy 1947-1 17892 Humboldt Trinity Summit at Box camp 1463 Comment
  JEPS36966  Artemisia dracunculus W. L. Jepson 1921-9-10 9464 Humboldt 7 or 8 mi. s. Garberville (near Indian Creek. Redwood Flat, west bank of S. Fork Eel.); South Fork Eel River Comment
  HSC90475  Artemisia pycnocephala Jean Hanson 1980-8-28 123 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka. W end of island between dikes. Comment
  HSC5042  Artemisia suksdorfii H. E. Parks May 1940 24178 Humboldt Little River Comment
  SEINET190493  Artemisia suksdorfii H. E. Parks May 1940 24178 Humboldt Little River Comment
  CAS-BOT-BC97243  Artemisia suksdorfii Carl B. Wolf 1927-8-29 1220 Humboldt [Devil's] Devils Gate, south of Cape Mendocino Comment
  HSC94101  Arum palaestinum Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  JEPS45626  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  JEPS45624  Aruncus dioicus var. pubescens W. L. Jepson 1902-7-11 2011 Humboldt South Fork Trinity River; Martin's Ranch Comment
  RSA46846  Aruncus sylvester Doris K. Kildale 1927-7-3 3663 Humboldt Willow Creek Flat. Comment
  CAS-BOT-BC400533  Asarum caudatum Volney Rattan 1882-6-1 s.n. Humboldt Mad River Comment
  CAS-BOT-BC400541  Asarum caudatum Harley P. Chandler 1901-5-1 1267 Humboldt North Coast Ranges. Redwood Belt 457 Comment
  HSC49144  Asarum caudatum J. O. Sawyer 1977-4-23 2840 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC98560  Asarum caudatum Cara Witte 2008-6-13 727 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1455 Comment
  UC6180  Asarum caudatum J. Mello Feb 1897 Humboldt Eureka Comment
  POM279301  Asarum caudatum Lyman Benson 1928-7-12 s.n. Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA296721  Asarum caudatum Clark L. Miller 1979-5-13 1 -129 Humboldt East of Hwy 101 from Seawood Drive. Comment
  SEINET12094754  Asarum caudatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -277 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  CAS-BOT-BC65946  Aspidotis densa Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  HSC73069  Aspidotis densa M. A. Baker 1980-6-16 1952 Humboldt Near Onion Mtn. 1280 Comment
  HSC1051  Aspidotis densa D. E. Anderson 1961-9-3 1777 Humboldt Comment
  SEINET201024  Aster engelmannii J. P. Tracy 1919-9-18 5227 Humboldt Trinity Summit 1890 Comment
  RSA43677  Aster radulinus H. M. Pollard 1947-8-9 s.n. Humboldt South River Road, south of Orleans Comment
  CAS-BOT-BC27579  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt Near Bear Buttes, 4 mi S of Miranda. Local on Foster & Pierce Ranch 762 Comment
  HSC82037  Astragalus purshii var. lectulus Thomas W. Nelson, James Nelson 1980-6-10 5405 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  CAS-BOT-BC193139  Astragalus rattanii var. rattanii M. Louise Hutchinson 1913-4-1 s.n. Humboldt Eureka Comment
  UC1174495  Astragalus rattanii var. rattanii Volney Rattan June 1882 Humboldt Comment
  UC1174493  Astragalus umbraticus Volney Rattan 1878-1 Humboldt Comment
  HSC41304  Asyneuma prenanthoides Brad Klipfel 1974-7-23 467 Humboldt Horse Mtn. Comment
  HSC76275  Asyneuma prenanthoides Teresa Prendusi 1981-7-9 169 Humboldt Near Cedar Camp. 1268 Comment
  HSC43206  Asyneuma prenanthoides R. Sutherland 1976-8-13 27 .13876 Humboldt Mouth of Redwood Creek at S Fork of Eel River 87 Comment
  HSC97997  Asyneuma prenanthoides Cara Witte 2007-7-9 454 Humboldt Grouse Mountain. Forest Service Road 5N04. 1/4 mile east of spring. 1554 Comment
  OBI1147  Athyrium filix-femina Robert J. Rodin 1962-9-5 6979 Humboldt Prairie Creek State Park Comment
  HSC72972  Athysanus pusillus Gail Newton 1980-6-24 601 Humboldt Near Ladder Rock 1570 Comment
  UC146161  Atriplex gmelinii var. gmelinii Joseph P. Tracy 1905-10-1 2393 Humboldt edge of Humboldt Bay at mouth Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay, mouth Eel River 0 Comment
  HSC4342  Atriplex patula D. E. Anderson 1961-9-13 1810 Humboldt Big Lagoon County Park Comment
  BLMAR302  Atriplex patula Jennifer Anthony-Wheeler 2002-7-1 302 Humboldt South Spit, bayside edge of east side 6 Comment
  HSC79448  Avena barbata Kenneth Clark 1980-4-18 578 Humboldt Shelter Cove, along access trail to Dead Man's Gulch 107 Comment
  SEINET4175775  Avena barbata Joseph P. Tracy 1906-4-29 2426 Humboldt Edge of field near Bucksport Comment
  HSC45051  Avena fatua R. Sutherland 1978-4-24 8 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  HSC67009  Baccharis pilularis subsp. consanguinea J. P. Smith 1971-10-9 4992 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC5112  Baccharis pilularis subsp. pilularis Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  UC1198289  Barbarea orthoceras Joseph P. Tracy 1932-7-16 10642 Humboldt along creek in McKay Prairie 1524 Comment
  UC492247  Barbarea orthoceras Joseph P. Tracy 1927-7-24 8292 Humboldt Mattole Valley 152 Comment
  HSC58397  Barbarea verna Terry Griswold, Marvin Butler 1979-7-11 6925 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek 1320 Comment
  HSC89512  Barbarea verna M. Roantree 1985-4-25 8 Humboldt E side of Trinidad Head. Comment
  HSC104290  Bellardia trixago Samantha E. Andres 2016-6-1 9 Humboldt Samoa Peninsula, North Jetty, along the roadside 4 Comment
  CDA18249  Bellis perennis G. D. Barbe, T. C. Fuller 1974-6-18 1873 Humboldt North Coast Ranges; Fern Canyon, Prairie Creek Redwood State Park, 7.1 mi W of US Hwy 101 on Fern Canyon Rd., 5 mi S of Klamath River. 0 Comment
Read comments Feb 22 2012
  HSC5186  Bellis perennis R. E. Hafenfeld 1965-5-9 41 Humboldt 1/2 mi. N Home Creek near Bold Bluff Beach Rd. Comment
  UC127824  Bellis perennis Harley P. Chandler May 1901 1128 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC75815  Bensoniella oregona Bill Copeland 1980-7-2 314 Humboldt Near Snow Camp Mtn. 1311 Comment
  RSA125218  Bensoniella oregona S. Carlquist 1951-6-14 158 Humboldt Below Felt Plateau, on road to Snow Camp 1006 Comment
Read comments Nov 8 2010
  HSC38080  Berberis aquifolium Thomas W. Nelson, James Nelson 1976-5-30 2627 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC205467  Berberis aquifolium Joseph P. Tracy 1920-8-1 5347 Humboldt Lawrence Creek Kneeland Prairie 457 Comment
  HSC57111  Berberis aquifolium var. aquifolium Overton, Butler 1979-7-25 9852 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UCD95065  Berberis aquifolium var. aquifolium James P. Smith 1973-5-5 6478 Humboldt Along Cook and Green Pass Road. Comment
  HSC73808  Berberis aquifolium var. repens M. A. Baker 1980-6-16 1930 Humboldt Near Monks Camp. 1097 Comment
  SD56733  Berberis nervosa Darley F. Howe 1963-5-26 3555 Humboldt 3.2 miles east of Orick on Ball Hill Road 455 Comment
  CAS-BOT-BC75796  Berberis pinnata Doris K. Kildale 1925-12-27 1452 Humboldt Kneeland. 762 Comment
  BLMAR413  Bidens cernua Clara Sander 2007-8-22 413 Humboldt South Spit, east side of road near "lone tree" 9 Comment
  HSC55066  Bistorta bistortoides G. L. Clifton, Griswold 1979-7-31 11638 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC73635  Bistorta bistortoides M. A. Baker 1980-7-22 3107 Humboldt Near Grogan Hole. 1676 Comment
  HSC26828  Blechnum spicant Clifton Raymond Chesbrough 1973-6-19 73 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  SD112347  Blechnum spicant Darley F. Howe 1961-8-1 3109 Humboldt Three mi. N of Arcata on Hwy. 101. Comment
  CAS-BOT-BC66271  Blechnum spicant A. M. Showalter 1925-8-12 s.n. Humboldt west of Orick Comment
  JEPS35166  Blechnum spicant Milo S. Baker 1923-7-19 83 Humboldt canyon near Wilder's; Mattole River region, sw Humboldt Co. Comment
  POM319594  Blechnum spicant Patricia Wilder 1968-8-21 4382 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  RSA182023  Boisduvalia glabella Joseph P. Tracy 1916-6-19 4726 Humboldt Northern coast ranges: Dobbyn Creek 183 Comment
  CHSC84999  Bolboschoenus maritimus subsp. paludosus L. P. Janeway 2003-7-28 7933 Humboldt North Coast. Edge of small inlet on east side of Big Lagoon 0.3 km south of the mouth of Tom Creek. 2 Comment
  HSC48731  Boschniakia strobilacea J. Pageau, T. Jimerson, W. Wisler, A. Regalis 1979-6-13 521 Humboldt Off Forest Rd. 10N05, SE slope of Hopkins Butte 1037 Comment
  HSC70782  Boschniakia strobilacea Gail Newton 1980-7-24 1768 Humboldt Near Somes Mtn. 1615 Comment
  HSC54891  Botrychium multifidum G. L. Clifton, Griswold 1979-7-25 10930 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC55130  Botrychium multifidum G. L. Clifton, Griswold 1979-8-1 11945 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC45727  Boykinia occidentalis Patricia Shesgreen 1978-7-30 118 Humboldt Sea Lion Gulch, 50 yards from ocean along stream bank Comment
  HSC76260  Boykinia occidentalis Teresa Prendusi 1981-7-7 119 Humboldt Near Slate Creek Butte. 1158 Comment
  BLMAR241  Boykinia occidentalis Jennifer Anthony-Wheeler 1997-6-13 241 Humboldt King range, growing at base of N bank of S fork bear creekbed 463 Comment
  CAS-BOT-BC420253  Boykinia occidentalis Roxana S. Ferris 1937-8-21 9390 Humboldt cliff above beach, Shelter Cove Comment
  HSC67082  Boykinia occidentalis Richard Spjut 1980-5-19 6198 Humboldt Between Willow Creek and Hoopa along Hwy. 96 Comment
  UC1198285  Brassica nigra Joseph P. Tracy 1933-8-22 12974 Humboldt Northern Coast Ranges, Eureka. 0 Comment
  CAS-BOT-BC36698  Brassica rapa Roxana S. Ferris 1937-8-21 9391 Humboldt Face of Cliff above Shelter Cove. Comment
  HSC6584  Brassica rapa Richard Steele 1962-2-25 2 Humboldt Arcata, 0.5 mi. W of HSU campus 15 Comment
  HSC100308  Briza maxima J. P. Smith 2011-5-4 13146 Humboldt New Navy Base Rd. SW of Samoa. 3 Comment
  HSC79462  Briza maxima Kenneth Clark 1980-5-10 661 Humboldt Access road to Shelter Cove 30 Comment
  UCD57276  Briza maxima Joseph P. Tracy 1950-5-30 18711 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UCR84719  Briza maxima Kathy Harper 1992-5-14 s.n. Humboldt North Coast Range, State Hwy 36 just north of the south fork of the Van Duzen River 762 Comment
  HSC22743  Briza minor Dennis Anderson 1970-5-21 5082 Humboldt Scotia Bluffs Comment
  HSC98090  Brodiaea elegans subsp. elegans Cara Witte 2007-7-11 482 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  JEPS7739  Brodiaea elegans subsp. elegans W. L. Jepson 1932-7-24 16385 Humboldt Mail Ridge Comment
  HSC98640  Brodiaea elegans subsp. elegans Cara Witte 2008-7-10 844 Humboldt National Forest 1. 5 miles south of intersection with Forest Service Road 5N04. Before a cattle guard. 1350 Comment
  JEPS7733  Brodiaea elegans subsp. elegans Joseph P. Tracy 1926-6-27 7695 Humboldt Horse Mountain Pass on Trinity Highway; Northern Coast Ranges, Horse Mountain, Horse Mountain Pass 883 Comment
  POM160834  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek. 762 Comment
  UC666939  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1933-5-20 12249 Humboldt 1 mi w Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  UC552681  Bromus carinatus var. carinatus Joseph P. Tracy 1935-7-25 14233 Humboldt Trintiy Summit, at McKay Prairie Trintiy Summit; , McKay Prairie 1584 Comment
  UCD58498  Bromus carinatus var. carinatus A. H. Murphy 1951-3-30 s.n. Humboldt 2 miles north of Petrolia. County road. Comment
Read comments May 22 2012
  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
  HSC79491  Bromus diandrus Kenneth Clark 1980-4-18 575 Humboldt 350 yds. S of Deadman's Gulch 8 Comment
  UCD58510  Bromus diandrus Joseph P. Tracy 1950-6-15 18775 Humboldt Mail Ridge. North of Harris 5 miles. 944 Comment
  POM126124  Bromus marginatus Joseph P. Tracy 1923-6-19 s.n. Humboldt Wilder Ridge Comment
  CAS-BOT-BC185523  Bromus vulgaris W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek and Eel River. Comment
  CDA1853  Bromus vulgaris E. C. Whitney 1976-6-1 Humboldt Redcrest. 0 Comment
  HSC103983  Cakile maritima E. R. Fyer 2015-4-26 23 Humboldt Along New Navy Base Road 9 Comment
  HSC90258  Cakile maritima Jean Hanson 1980-5-24 78 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island, 25 ft. from high tide line Comment
  HSC26298  Calandrinia ciliata T. O. Osborne 1970-6-18 69 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  HSC64308  Calandrinia ciliata J. P. Smith, J. O. Sawyer 1976-5-2 8617 Humboldt 1.5 mi. N of Willow Creek on Hwy. 96 61 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
  UC1922744  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, P. Everett 1965-8-9 35345 Humboldt Along Hwy. 101 about 3 mi. N or Eureka. Comment
  HSC98087  Callitriche heterophylla var. bolanderi Cara Witte 2007-7-11 479 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  UC144094  Callitriche marginata J. P. Tracy 1909-5-23 2975 Humboldt At the Connick Claim, 4 mi SE of Eureka 0 Comment
  CAS-BOT-BC80385  Calocedrus decurrens Doris K. Kildale 1927-12-1 4203 Humboldt Klamath River at Orleans Comment
  UC535782  Calochortus amabilis Eleanor Armstrong 1934-5-25 Humboldt n of Redway Comment
  HSC74317  Calochortus elegans var. nanus M. A. Baker 1980-7-22 3061 Humboldt Near Salmon Mtn. 1820 Comment
  HSC31756  Calochortus tolmiei Timothy B. Devine 1974-5-4 322 Humboldt Bank of Chezem Rd. at junction of Hwy. 299 457 Comment
  UC1103463  Calochortus tolmiei Joseph P. Tracy 1935-7-14 14074 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  UC1103466  Calochortus tolmiei Joseph P. Tracy 1933-6-13 12592 Humboldt near summit on road from Hoopa (w to Bair's); Hoopa Mountain 914 Comment
  UC14999  Calochortus tolmiei Mrs. M. H. Manning Apr 1901 10 Humboldt near Hupa Comment
  UCR45374  Calochortus tolmiei Thomas W. Nelson 1977-6-15 3450 Humboldt North Coast Range, [Horse Mountain] along old road to ski area 1372 Comment
  CAS-BOT-BC273312  Calycadenia fremontii L. R. Abrams 1918-6-16 7133 Humboldt Willow Creek Comment
  UC405402  Calycadenia truncata Chesnut and Drew 1888-7-28 Humboldt Comment
  RSA47142  Calycadenia truncata subsp. scabrella Doris K. Kildale 1925-9-4 982 Humboldt Redwood Creek Comment
  CAS-BOT-BC275366  Calycadenia truncata var. truncata Doris K. Kildale 1925-7-4 982 Humboldt Redwood Creek at [Bern?'s] Comment
  UC14970  Calypso bulbosa Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5760 Humboldt North Coast Ranges, Box Camp, Trinity Summit Trail Box Camp; North Coast Ranges, , Trinity Summit Trail Comment
  HSC65202  Calypso bulbosa T. Jimerson, J. Pageau 1979-5-1 446 Humboldt On FS 6N34C, Orleans Ranger District, Orleans Comment
  SEINET12074106  Calypso bulbosa J. P. Tracy 1950-1 Humboldt Comment
  SEINET3889827  Calypso bulbosa Michael Dalke 1979-1 Humboldt Comment
  HSC39107  Calyptridium monospermum D. E. Anderson, J. P. Smith 1971-6-18 - 1090 Humboldt Horse Mtn. Comment
  HSC40020  Calyptridium monospermum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2923 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC55033  Calyptridium monospermum Overton, Butler 1979-7-31 11473 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  UC13637  Calyptridium umbellatum Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  UC673024  Calyptridium umbellatum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8946 Humboldt summit near Blake Lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  HSC24381  Calystegia occidentalis subsp. occidentalis J. O. Sawyer 1970-6-24 2244 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC1197883  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1926-5-9 7454 Humboldt near Bridgeville; near Bridgeville 457 Comment
  UC1197886  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1942-7-1 17367 Humboldt Dinsmore's along Van Duzen River, opposite Buck Mountain (along Van Duzen River, opposite Buck Mountain) 762 Comment
  JEPS98261  Calystegia silvatica subsp. disjuncta Gordon Leppig 2001-7-11 1579 Humboldt W shoulder of south G street, about 75 m S of the City of Arcata Corporation Yard entrance Arcata Comment
  BLMAR68  Calystegia soldanella Jennifer Anthony-Wheeler 1994-5-18 68 Humboldt Samoa/manilla dunes, growing in dune mat with I the Samoa Rec. area wetland 6 Comment
  HSC104033  Calystegia soldanella E. R. Fyer 2015-4-26 24 Humboldt Along New Navy Base Road 9 Comment
  HSC33058  Camassia quamash subsp. linearis Thomas W. Nelson 1974-5-7 1237 Humboldt Beside Kneeland Rd. 0.5 mi. N of Kneeland School Comment
  CHSC40211  Camassia quamash subsp. quamash L. P. Janeway 1984-5-13 778 Humboldt Along the Kneeland/Bridgeville Road ca 19 mi east of the Kneeland post office and 1 mi south of N Fk Yager Creek. 640 Comment
  UC13767  Camassia quamash subsp. quamash W. C. Blasdale 1896-6-4 Humboldt Eureka Comment
  HSC26875  Camissonia cheiranthifolia Clifton Raymond Chesbrough 1973-6-19 79 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  HSC16444  Camissonia cheiranthifolia C. O. Baker 1962-5-7 31 Humboldt 1 mi. N of Samoa, 1/2 mi. E of coastline Comment
  HSC59672  Camissonia cheiranthifolia George Kirn 1977-10-14 Humboldt 1/2 mi. NW of Samoa Comment
  UC144060  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. P. Tracy 1909-7-18 3017 Humboldt opp. Eureka (sand hills of ocean beach); Samoa Comment
  UC144073  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joseph P. Tracy 1901-8-7 1263 Humboldt Humboldt Bay Northern Coast Region (ocean beach) Comment
  SEINET10463743  Campanula scouleri Manning MANNING 305 Humboldt Near Hupa, Bald Hills Comment
  UC1326259  Campanula scouleri Milo S. Baker 1947-8-10 11901 Humboldt 15 mi ne Hoopa (near end of forest road) 1371 Comment
  CAS-BOT-BC37433  Cardamine californica Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta. Comment
  HSC91613  Cardamine californica E. Mackey 1987-3-1 Humboldt Patrick's Point State Park, by trail to Palmer's Point beach Comment
  UC1199188  Cardamine californica Joseph P. Tracy 1918-4-21 4878 Humboldt on road to Kneeland Prairie (around Humboldt Bay); Northern Coast Ranges, around Humboldt Bay 152 Comment
  UC668051  Cardamine californica var. sinuata Joseph P. Tracy 1938-5-8 15739 Humboldt Blue Slide on Van Duzen River; on Van Duzen River, Blue Slide 91 Comment
  UC1199194  Cardamine nuttallii Joseph P. Tracy 1933-6-11 12665 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
  UC1199197  Cardamine nuttallii var. covilleana Joseph P. Tracy 1938-6-13 15897 Humboldt Horse Mountain 1432 Comment
  JEPS53297  Cardamine oligosperma Lincoln Constance 1934-5-31 745 Humboldt from w boundary Park to Grasshopper Peak Road (Squaw Peak Road) (n side creek, Bull Creek flat, along Bull Creek, Bull Creek Region, South Fork Eel River); Bull Creek Region, South Fork Eel River, Bull Cr Comment
  CAS-BOT-BC384763  Cardionema ramosissimum W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  SEINET202626  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt 'Angel's Ranch' toward Hungry Hollow; Bald Mountain Comment
  HSC70474  Carex aquatilis var. dives J. P. Tracy 1912-6-16 3702 Humboldt Hookton, around Humboldt Bay 0 Comment
  JEPS109966  Carex arcta Dean W. Taylor 2006-8-3 19575 Humboldt Snow Camp Lake; northwestern end of the lake 1396 Comment
  JEPS79833  Carex athrostachya Joseph P. Tracy 1935-7-23 14140 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  JEPS79834  Carex barbarae Joseph P. Tracy 1932-6-14 10152 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CDA33036  Carex barbarae F. Wetherbee 1962-5-1 Humboldt Ferndale. 0 Comment
  HSC98962  Carex bolanderi Cara Witte 2008-7-16 913 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  UC562277  Carex bolanderi Joseph P. Tracy 1935-7-23 14162 Humboldt Trinity Summit, lower end of Brett Hole 1584 Comment
  HSC98948  Carex bolanderi Cara Witte 2008-7-25 934 Humboldt Friday Ridge Rd. (6N08). Approximately 1 mile east of intersection with Forest Service Road 5N10. 1325 Comment
  CAS-BOT-BC19612  Carex brainerdii Joseph Prince Tracy 1935-7-30 14350 Humboldt Salmon Summit. On ridge 2 miles southwest of top. 1767 Comment
  JEPS79836  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt on ridge 2 mi sw of top of Salmon Summit; Salmon Summit 1767 Comment
  HSC95814  Carex canescens Juha Pykala, D. H. Norris 1987-6-10 1473 Humboldt 4.5 mi. N of Weitchpec, Blue Lake 838 Comment
  CAS-BOT-BC34380  Carex cusickii Joseph Prince Tracy 1938-7-6 16023 Humboldt Big Lagoon. 6 Comment
  CHSC82138  Carex cusickii Gordon Leppig 2001-6-16 1569 Humboldt North Coast Region; coastal wetlands. Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  UC1116267  Carex deweyana subsp. leptopoda Joseph P. Tracy 1943-7-18 17442 Humboldt Big Lagoon 9 Comment
  UC1103128  Carex echinata Joseph P. Tracy 1935-7-14 14085 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  JEPS79853  Carex echinata subsp. echinata Joseph P. Tracy 1933-7-25 12845 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC7163  Carex echinata subsp. phyllomanica Walker 1960-8-16 Humboldt 7 mi., K & K Comment
  HSC96492  Carex echinata subsp. phyllomanica Gordon Leppig 1998-6-8 798 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  HSC76841  Carex exsiccata L. P. Janeway 1982-8-7 115 Humboldt Dry Lagoon 3 Comment
  HSC99593  Carex feta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 254 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC562647  Carex feta Joseph P. Tracy 1928-6-17 8451 Humboldt at Willow Creek Trinity River Valley 152 Comment
  UC562716  Carex globosa Joseph P. Tracy 1927-7-4 8242 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC146593  Carex gynodynama Joseph P. Tracy 1927-5-8 7969 Humboldt Phillipsville; facing South Fork of Eel River 121 Comment
  UC197229  Carex gynodynama Joseph P. Tracy 1906-4-29 2430 Humboldt Northern Coast Region, south slope of Humboldt Hill. Comment
  UC303151  Carex gynodynama Joseph P. Tracy 1925-5-10 6962 Humboldt Hydesiville. Comment
  CAS-BOT-BC146605  Carex gynodynama Alice Eastwood; John Thomas Howell 1937-6-23 4841 Humboldt 8 miles from Kneeland on road to Yager Comment
  CHSC2115  Carex hendersonii M. Anthony 1960-5-1 Humboldt Near Arcata. Comment
  POM160302  Carex hendersonii Joseph P. Tracy 1926-6-13 7598 Humboldt Blue Lake. 152 Comment
  SEINET3901638  Carex hendersonii Thomas Nelson 1978-6-10 4416 Humboldt Eureka Quad. Behind Eureka Seventh Day Advent Church on F St.; 0 61 Comment
  CAS-BOT-BC7790  Carex laeviculmis Joseph Prince Tracy 1930-7-16 8985 Humboldt South Fork Mountain. At McKay Camp. 1676 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC31583  Carex luzulina var. luzulina Joseph Prince Tracy 1942-6-28 17269 Humboldt In bog at Murphy Meadows, Bald Mountain. 975 Comment
  UC204898  Carex mendocinensis Joseph P. Tracy 1911-7-6 3343 Humboldt Northern Costa Ranges. Mountains slopes along road between Three Creeks and mouth of Willow Creek. Comment
  SEINET7483597 Image available Carex mendocinensis L. P. Janeway 2003-1 7944 Humboldt High North Coast Ranges. White Rock Spring, just above Clear Lake, on SW side below Titlow Hill Road,2.9 km southeast of Titlow Hill. ;Grouse Mountain quad 1512 Comment
  HSC98991  Carex multicaulis Cara Witte 2008-6-13 718 Humboldt Forest Service Road 4N32. 0.5 mi. N of intersection with Forest Service Road 4N32B. 1417 Comment
  HSC75764  Carex multicostata Teresa Prendusi 1981-7-21 289 Humboldt Near Whiteys Peak 1646 Comment
  UC303147  Carex multicostata Joseph P. Tracy 1925-5-24 7009 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  SEINET11632152  Carex nudata H. P. Chandler 1901-1 1235 Humboldt Redwood Belt, North Coast Ranges 91 Comment
  UC830188  Carex obnupta L. R. Abrams 1916-7-18 6083 Humboldt Arcata to Trinidad Comment
  POM250761  Carex obnupta D. D. Keck 1938-8-5 4770 Humboldt Big Lagoon, among rocks in open spots on beach Comment
  RSA22379  Carex obnupta D. D. Keck 1938-8-5 4770 Humboldt Big Lagoon, among rocks in open spots on beach Comment
  CAS-BOT-BC119266  Carex ovalis Joseph Prince Tracy 1927-7-17 8279 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. 457 Comment
  UC562651  Carex pachycarpa Joseph P. Tracy Jul 16 1930-Jul 19 1930 9039 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  CAS-BOT-BC119233  Carex pachystachya Joseph Prince Tracy 1932-7-14 10548 Humboldt Trinity Summit. Corral Prairie in Wet meadow. 1584 Comment
  CAS-BOT-BC119244  Carex pachystachya Joseph Prince Tracy 1939-7-9 16342 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC119245  Carex pachystachya Joseph Prince Tracy 1939-7-9 16340 Humboldt Snow Camp 1402 Comment
  SEINET7570348 Image available Carex pachystachya Ray Tallent 1987-8-11 896 Humboldt Six Rivers National Forest, roadside S of Horse Mtn. 1390 Comment
  CAS-BOT-BC119241  Carex pachystachya Joseph Prince Tracy 1939-7-9 16325 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  UC1115801  Carex pachystachya Joseph P. Tracy 1939-7-9 16325 Humboldt Lake Prairie Bald Mountain 1066 Comment
  HSC90642  Carex pansa Gail Newton 1982-5-2 2517 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA246858  Carex pansa Robert F. Thorne, Percy C. Everett 1965-8-5 35165 Humboldt Samoa Dunes. 3 Comment
  JEPS79855  Carex pansa Joseph P. Tracy 1935-7-18 14104 Humboldt next to Table Bluff (around Humboldt Bay); around Humboldt Bay 3 Comment
  JEPS63535  Carex pellita W. L. Jepson 1932-7-27 16439 Humboldt Weott Comment
  JEPS79859  Carex rossii Joseph P. Tracy 1935-6-2 13921 Humboldt Big Lagoon 3 Comment
  HSC78036  Carex rostrata Gail Newton 1980-8-10 2050 Humboldt Near Blake Mtn. 1707 Comment
  RSA313440  Carex serratodens Thomas W. Nelson, Jane P. Nelson 1978-7-2 4404 Humboldt In spring on disturbed site along road 2S08 near Pine Mountain, road to Lost Lake. 1463 Comment
  HSC45950  Carex straminiformis J. P. Smith, Steve Selva 1970-7-30 4132 Humboldt Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  SEINET7577056 Image available Carex subbracteata Andrew L. Hipp 1999-5-31 448 Humboldt Blocksburg, 1/8 mi N of the Blocksburg Dump, Alder Pt Road. 503 Comment
  HSC44120  Carex subfusca Thomas W. Nelson, Jane P. Nelson 1976-6-15 2735 Humboldt Just W of Goat Hill along road off FS 2S08 1463 Comment
  UC202501  Carex tumulicola Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3591 Humboldt Hydesville Northern Coast Ranges 60 Comment
  NY11390  Carex unilateralis J. P. Tracy 1912-7-21 3783 Humboldt 30.5 Comment
  CHSC90278  Carex utriculata Thomas W. Nelson; Jane P. Nelson 1987-6-11 8607 Humboldt North Coast Ranges. Box Spring at Box Camp. Along trail to North Trinity Mountain. 1524 Comment
  UC665690  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt s Orick (in center of Dry Lagoon) 0 Comment
  HSC59804  Carpobrotus chilensis Clark L. Miller 1979-5-5 4123 Humboldt Along cliffs off Patricks Point Drive. Comment
  CAS-BOT-BC249131  Castilleja affinis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's [Patricks] Point State Park Comment
  JEPS103931  Castilleja affinis subsp. litoralis T. I. and F. M. Chuang 1991-7-8 7874 Humboldt Ca 2 mi SW of Orick. Comment
  HSC36101  Castilleja ambigua subsp. humboldtiensis W. C. Vinyard 1974-5-22 Humboldt Beside Humboldt Bay at the boat access at Arcata Comment
  OBI9388  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1938-7-15 16068 Humboldt Mouth of Eel River 3 Comment
  SEINET10745035  Castilleja ambigua subsp. humboldtiensis Philip A. Munz 1925-6-20 Munz 9890 Humboldt Eureka, partly dry saline flats Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC78967  Castilleja attenuata L. P. Janeway 1984-5-16 790 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. N of the boat ramp 3 Comment
  HSC72570  Castilleja densiflora J. P. Smith, J. O. Sawyer 1976-5-2 8623 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  SBBG7041  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-25 3433 Humboldt sand dunes near Samoa Comment
  HSC56041  Castilleja miniata G. L. Clifton, Griswold 1979-7-31 11608 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC56307  Castilleja miniata Overton, Butler 1979-8-2 12624 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC44348  Castilleja pruinosa Brad Klipfel 1975-7-11 696 Humboldt Horse Mtn. Comment
  HSC44427  Castilleja pruinosa Brad Klipfel 1975-5-30 645 Humboldt Horse Mtn. Comment
  HSC55670  Castilleja pruinosa Overton, Butler 1979-7-25 9874 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC74464  Castilleja pruinosa M. A. Baker 1980-5-18 1362 Humboldt Near Black Mtn. 792 Comment
  HSC103246  Castilleja pruinosa Lisa D. Hoover 1996-6-12 145 Humboldt Six Rivers National Forest, Lower Trinity District, Grouse Mtn. Quad, Horse Mtn. 1463 Comment
  HSC72569  Castilleja pruinosa J. P. Smith, J. O. Sawyer 1976-5-2 8628 Humboldt S. R. 96, 4.9 mi. N of its junction with S.R. 299 122 Comment
  SBBG68608  Castilleja rubicundula subsp. lithospermoides H. E. Parks, J. P. Tracy 1930-5-25 796 Humboldt vicinity of Bridgeville, Laribee Valley (Larabee Valley) Comment
  UC26525  Castilleja subinclusa subsp. franciscana unknown 4815 Humboldt near Little River Comment
  UC1502133  Ceanothus R. Sutherland 1975-7-13 2 .13.75 Humboldt Pt. Delgada Quad. 518 Comment
  HSC41255  Ceanothus arcuatus Brad Klipfel 1974-6-25 445 Humboldt Horse Mtn. Comment
  SEINET200665  Ceanothus cordulatus J. P. Tracy 1935-7-14 14092 Humboldt Grouse Mountain ridge near 'Clear Lake 1524 Comment
  CAS-BOT-BC49316  Ceanothus cuneatus L. B. Kildale 1930-9-21 10229 Humboldt Bluff Creek trail to Fish Lake Comment
  UC1502134  Ceanothus foliosus R. Sutherland 1975-5-28 10 Humboldt near Tolken Camp Pt. Delgada quad. 502 Comment
  HSC43213  Ceanothus gloriosus var. exaltatus R. Sutherland 1975-7-4 0 .4775 Humboldt 640 Comment
  BLMAR232  Ceanothus incanus Jennifer Anthony-Wheeler 1996-9-26 232 Humboldt King range, growing in open grassy meadow beside bear creek 548 Comment
  HSC59445  Ceanothus integerrimus Kenneth Clark 1979-5-15 305 Humboldt Tish Tang State Campground, 11 mi N of Willow Creek on Hwy. 96 Comment
  HSC98205  Ceanothus integerrimus D. E. Anderson 1965-5-8 3657 Humboldt W end of bridge over Trinity River, 0.5 mile S of Willow Creek. Comment
  UC1198004  Ceanothus integerrimus Joseph P. Tracy 1921-6-19 5839 Humboldt ridge to n Willow Creek (between Willow Creek and campbell Creek, near Langdon's Gopher Camp.); Brannon Mountain, Northern Coast Ranges 762 Comment
  UC1198005  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13181 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC1198006  Ceanothus integerrimus Joseph P. Tracy 1937-6-26 15365 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1198007  Ceanothus integerrimus Joseph P. Tracy 1935-5-25 13878 Humboldt Fort Seward 106 Comment
  CAS-BOT-BC51145  Ceanothus lemmonii Joseph P. Tracy 1929-4-28 8551 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC51221  Ceanothus parryi C. Hart Merriam 1920-8-27 s.n. Humboldt South fork Eel River (10 miles so. of Garberville) Comment
  HSC36678  Ceanothus parryi R. Sutherland 1975-5-5 19 .5575 Humboldt Bank of Mattole River at Ettersburg Bridge 191 Comment
  HSC37085  Ceanothus parryi R. Sutherland 1975-6-4 1 .4675 Humboldt Near county rd. 2 mi NE of Briceland 168 Comment
  RSA25753  Ceanothus parryi Carl B. Wolf 1941-7-28 11092 Humboldt Slope along Eel River, 1 mile S of Miranda. 30 Comment
  HSC43188  Ceanothus pumilus R. Sutherland 1976-4-17 1 .17476 Humboldt 549 Comment
  HSC43227  Ceanothus pumilus R. Sutherland 1976-4-25 2 .25476 Humboldt Comment
  HSC12358  Ceanothus thyrsiflorus C. Kline 1970-11-28 82 Humboldt Hwy 101, 1 mi S of Arcata Comment
  HSC45658  Ceanothus thyrsiflorus Diane L. Reed 1978-4-29 43 Humboldt Trinidad Head Comment
  RSA25755  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11091 Humboldt 1.5 miles N of Loleta along the redwood Hwy, 23 Comment
  UC1004333  Ceanothus thyrsiflorus W. L. Colwell 1954-11-20 21 Humboldt along Eel River 3 mi e South Fork (Quad. 29B4); along Eel River e of South Fork, Quad. 29B4 91 Comment
  SBBG4534  Ceanothus thyrsiflorus var. thyrsiflorus H. and M. Dearing 1933-5-17 977 Humboldt N of Big Lagoon Comment
  SEINET193159  Ceanothus velutinus S. K. Harris 1942-6-12 1257 Humboldt Fickle Hill Road 5 miles north and 2 miles east of Boynton Prairie 630 Comment
  CAS-BOT-BC272107  Centaurea cyanus Doris K. Kildale 1925-6-27 758 Humboldt Yager Creek, near mouth Comment
  CDA36344  Centaurea jacea Domenic Bongio 2011-11-15 PDR# 1414345 Humboldt Trinidad; Hwy 101 at mile-maker 104.05 near Patrick s Point Dr. 0 Comment
  UC673086  Centaurea solstitialis Joseph P. Tracy 1940-10-17 16759 Humboldt near Dyerville (South Fork Station) 45 Comment
  UC562308  Centaurium muehlenbergii Joseph P. Tracy 1934-7-9 13347 Humboldt Dobbyn Creek 152 Comment
  UC719784  Centaurium muehlenbergii Rogers McVaugh 1941-8-3 6212 Humboldt ca 8 mi s Garberville; Richardson Grove State Park Comment
  UCR123952  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2001-7-8 6964 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  UC906720  Centunculus minimus Joseph P. Tracy 1942-6-15 17156 Humboldt Garberville 152 Comment
  HSC98319  Cephalanthera austiniae T. Jimerson, J. Pageau 1979-6-12 529 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  JEPS64308  Cephalanthera austiniae Milo S. Baker 1923-7-26 110 Humboldt head of S. Fork Yager Creek on Mt. West; , S. Fork Yager Creek 822 Comment
  SEINET6904629  Cerastium glomeratum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  JEPS51348  Cerastium viride Mrs. M. H. Manning 1901-1 19 Humboldt near Hupa Comment
  UC1198736  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1903-5-23 1904 Humboldt along Eel River, at Alder Point Eel River; Northern Coast Ranges, , Alder Point 152 Comment
  CAS-BOT-BC276489  Chaenactis douglasii var. douglasii Joseph P. Tracy 1933-7-25 12877 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC85654  Chamaecyparis lawsoniana Doris K. Kildale 1928-10-7 6749 Humboldt Willow Creek Canyon, 7 miles west of Trinity River. Comment
  MACF027376  Chamaecyparis lawsoniana S. R. Ganley 1972-3-26 1053 Humboldt Along Hwy. 299 365 Comment
  HSC38999  Cheilanthes gracillima Thomas W. Nelson, Jane Nelson 1976-5-31 2660 Humboldt County line, S of meadow along 5E27 just N of its junction with 1S07 1524 Comment
  UC197914  Cheilanthes gracillima Joseph P. Tracy 1908-7-3 2765 Humboldt opposite Buck Mt (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC71532  Cheilanthes gracillima J. Burtt Davy 1899-7-9 5387 Humboldt Harris to Hubbard's Station Comment
  HSC57684  Chenopodium album G. L. Clifton, Griswold 1979-7-25 10899 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CDA3058  Chenopodium ambrosioides B. F. Kemp 1957-11-8 511 -57 Humboldt Orrick. 0 Comment
  UC79873  Chenopodium rubrum Harold E. Parks and Joseph P. Tracy 1934-10-13 11151 Humboldt Big Lagoon; shore 3 Comment
  HSC41240  Chimaphila umbellata Brad Klipfel 1974-5-27 379 Humboldt Horse Mtn., NE face away from towers Comment
  HSC55214  Chimaphila umbellata Walter Overton 1979-8-1 12371 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC74352  Chimaphila umbellata Gail Newton 1980-6-17 211 Humboldt Near Onion Mtn. 1341 Comment
  CAS-BOT-BC451496  Chimaphila umbellata Henry M. Pollard 1986-8-28 s.n. Humboldt Near summit, Orleans Mt. 1828 Comment
Read comments Feb 21 2020
  HSC17950  Chimaphila umbellata Chestnut, Drew 1888-7-9 Humboldt Campbell's Comment
  JEPS50839  Chlorogalum pomeridianum var. pomeridianum Wayne Roderick 1966-6-18 Humboldt ca 3 road mi n Bridgeville 762 Comment
  CAS-BOT-BC236919  Chloropyron maritimum subsp. palustre Malcom A. Nobs; S. Galen Smith 1949-8-3 1200 Humboldt Bordering Humboldt Bay, ca. 2 miles north of Eureka Comment
  RSA43836  Chrysanthemum leucanthemum H. M. Pollard 1948-7-18 s.n. Humboldt Near Orleans. Comment
  UC484077  Chrysolepis chrysophylla Carl B. Wolf 1930-10-30 Humboldt Old Coast Road at Thorn; Thorn 304 Comment
  OBI14344  Chrysolepis chrysophylla var. minor Carl B. Wolf 1937-9-13 9338 Humboldt North Coast range, summit of Grouse Mt Comment
  SD42299  Chrysolepis sempervirens Carl B. Wolf 1937-9-13 3089 Humboldt North Coast Range, Summit of Grouse Mountain. 1645 Comment
  CAS-BOT-BC420347  Chrysosplenium glechomifolium John H. Thomas; W. B. Schofield 1966-3-19 11490 Humboldt Near the M. G. Goethe Grove in Prairie Creek Redwoods State Park near highway 101 between Eureka and Crescent City Comment
  HSC36262  Cicuta douglasii John Rehling 1974-8-20 24 Humboldt Big Lagoon Bog Comment
  HSC37657  Cirsium arvense R. Sutherland 1976-8-19 6 .19876 Humboldt 259 Comment
  HSC5371  Cirsium arvense H. D. Sumner 1959-7-13 Humboldt Redwood Creek near Hwy. 299 305 Comment
  CAS-BOT-BC284441  Cirsium brevistylum L. R. Abrams 1927-9-1 12062 Humboldt Big Lagoon Comment
  CDA1113  Cirsium brevistylum T. R. Haig, T. C. Fuller 1959-6-12 2791 Humboldt 5 mi. N/ Richardson Grove. 0 Comment
  SEINET5506147 Image available Cirsium douglasii var. douglasii John Thomas Howell 1937-7-31 13716 Humboldt 5 mi E of Berry Summit Comment
  CDA15025  Cirsium occidentale var. candidissimum B. Villegas 1998-8-5 s.n. Humboldt North Coast Ranges; Nr. Berry Summit on Titlow Hill Rd, 3.9 mi. S of Hwy 299. Comment
  CAS-BOT-BC285530  Cirsium occidentale var. candidissimum Henry M. Pollard 1948-7-29 s.n. Humboldt Between Orleans and Woodson Mines Comment
  SBBG113460  Cirsium occidentale var. venustum B. Villegas 1998-8-5 Humboldt near Berry Summit on Titlow Hill Rd, 3.9 mi S of US Hwy 299 Comment
  UC1199137  Cirsium occidentale var. venustum Joseph P. Tracy 1936-7-5 15045 Humboldt Horse Mt. 1066 Comment
  JEPS59312  Cirsium vulgare W. L. Jepson 1936-8-12 17890 Humboldt Philipsville South Fork Eel River, Philipsville Comment
  CAS-BOT-BC285769  Cirsium vulgare Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley 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
  UC20318  Clarkia amoena subsp. whitneyi H. N. Bolander 1866-1 6534 Humboldt Shelter Cove; ; Shelter Cove, Humboldt Co. Comment
  RSA20945  Clarkia concinna subsp. concinna Carl B. Wolf 1937-6-19 8917 Humboldt North Coast Ranges, Van Duzen River, 2.8 miles West of Dinsmores 457 Comment
  HSC38102  Clarkia gracilis Thomas W. Nelson, James Nelson 1976-5-30 2623 Humboldt McKeown Ranch, N of Dinsmore. Comment
  CAS-BOT-BC172507  Clarkia purpurea subsp. quadrivulnera Doris K. Kildale 1925-6-28 804 Humboldt Kneeland Prairie, bald hills 762 Comment
  UC1222851  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1950-6-15 18809 Humboldt n Harris (Fort Seward Ranch); Mail Ridge Comment
  UC314618  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1923-7-4 6527 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC1071918  Clarkia purpurea subsp. viminea H. and M. Lewis 1947-6-14 422 Humboldt Highway 36 at bridge 4-119 South Fork of Van Duzen River Comment
  UC902014  Claytonia cordifolia Harold E. Parks and Joseph P. Tracy 1949-6-25 11680 Humboldt Box Camp Trinity Summit (Trinity Summit) 1463 Comment
  HSC24076  Claytonia lanceolata J. O. Sawyer 1971-6-15 2385 Humboldt S of Trinity Summit Station 1829 Comment
  SEINET6903113  Claytonia perfoliata Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  RSA249332  Claytonia rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5610 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  HSC39620  Claytonia rubra subsp. rubra Thomas W. Nelson 1976-6-15 2723 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC17754  Claytonia saxosa D. E. Anderson 1967-6-10 4366 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  RSA259540  Claytonia saxosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5623 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  CHSC10779  Claytonia sibirica Lowell Ahart 1968-6-1 Humboldt Near Pepperwood. 45 Comment
  HSC23727  Claytonia sibirica Tim Baroni 1971-7-6 124 Humboldt 15 mi. S of Ferndale on Mattole Rd. Comment
  HSC71792  Claytonia sibirica Gail Newton 1980-6-16 176 Humboldt Near Monks Camp. 1097 Comment
  UC162715  Claytonia sibirica Mrs. M. H. Manning Sep 1901 Humboldt near Hupa Comment
  HSC17727  Claytonia sibirica D. K. Smith 1968-4-8 14 Humboldt On West End Rd., 3 mi. from Hwy. 299 Comment
  HSC17735  Claytonia sibirica P. Markle 1962-4-26 15 Humboldt Entrance to trail to HSU campus from City of Arcata reservoir road 30 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
  HSC17719  Claytonia washingtoniana D. E. Anderson 1962-3-31 1972 Humboldt Coastal area of Prairie Creek State Park Comment
  HSC14390  Clinopodium douglasii S. V. Thompson 1967-7-24 21 Humboldt Back from beach Comment
  UCD124939  Clinopodium douglasii Linda M. Barker 1976-6-22 1614 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  CHSC42782  Clintonia andrewsiana R. N. Raynor 1935-5-22 Humboldt Ft. Seward. Comment
  JEPS61603  Clintonia andrewsiana W. L. Jepson 1932-8-9 16540 Humboldt Bull Creek 106 Comment
  HSC15447  Clintonia andrewsiana D. E. Anderson 1963-5-25 2478 Humboldt 4 mi. N of Capetown Comment
  SEINET201027  Cnicus benedictus Harold E. Parks, Joseph P Tracy 1942-7-2 11580 Humboldt Dinsmore's 762 Comment
  POM210220  Collinsia grandiflora H. E. Parks, Joseph P. Tracy 1930-5-25 741 Humboldt Laribee Valley. 762 Comment
  UC179949  Collinsia heterophylla Joseph P. Tracy 1914-5-14 4464 Humboldt Northern Coast Ranges, Fort Seward Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC902215  Collinsia linearis Joseph P. Tracy 1947-7-5 17790 Humboldt ridge w of Mud Springs (Trinity Summit); Trinity Summit 1158 Comment
  HSC20603  Collinsia linearis H. E. Parks 1934-6-14 4789 Humboldt Horse Mtn. 1433 Comment
  JEPS6178  Collinsia linearis Joseph P. Tracy 1933-7-25 12836 Humboldt Grouse Mtn; North Coast Ranges 1524 Comment
  RSA127512  Collinsia linearis Milo S. Baker 1946-6-15 11486 Humboldt Near Head of Willow Cr. Canyon, Trinity Hwy. Comment
  UC147888  Collinsia parviflora Joseph P. Tracy 1908-6-9 2658 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC38493  Collinsia rattanii D. E. Anderson, J. P. Smith 1971-6-18 - 1093 Humboldt Horse Mtn. Comment
  UC176057  Collinsia rattanii Joseph P. Tracy 1913-6-17 4190 Humboldt Northern Coast Ranges, Buck Mountain near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  POM193011  Collinsia sparsiflora H. E. Parks 1930-5-25 792 Humboldt Laribee Valley. 793 Comment
  JEPS26356  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1916-5-2 4685 Humboldt garden Eureka; North Coast Ranges 762 Comment
  UC906687  Collomia grandiflora Joseph P. Tracy 1944-7-3 17485 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCR111241  Collomia heterophylla H. E. Parks 1933-1 01152 Humboldt North Coast, Spruce Cove, Trinidad 76 Comment
  HSC16921  Collomia heterophylla D. E. Anderson 1965-5-15 3699 Humboldt 5 mi. N of Hoopa on Bald Hills Rd. 198 Comment
  UC1197842  Collomia heterophylla Joseph P. Tracy 1929-7-4 8611 Humboldt in open places French Camp 1066 Comment
  HSC102590  Collomia tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1577 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC32324  Collomia tracyi D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5663 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC74404  Collomia tracyi Gail Newton 1980-6-28 745 Humboldt Near Mad River Butte. 1536 Comment
  HSC99065  Collomia tracyi Cara Witte 2008-7-2 812 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  HSC27899  Conium maculatum B. R. Templeton 1962-5-15 Humboldt 3 mi S of Arcata Comment
  HSC36436  Conium maculatum John Rehlingl 1974-6-27 Humboldt Along Alliance Rd. Comment
  UC1123583  Convolvulus arvensis H. L. Person 1932-8-1 Humboldt Korbel Eureka Quadrangle Comment
  UCSC000566  Convolvulus soldanella H. S. Yates 1936-6-16 5657 Humboldt 0.5 mile S.W. of Samoa Samoa - Eureka 3 Comment
  CAS-BOT-BC133716  Corallorhiza Doris K. Kildale 1928-3-29 4367 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC39077  Corallorhiza maculata J. D. Ackerman 1976-7-3 765 Humboldt 1 mi. E of Blue Lake along old state Hwy. 299. Simpson Demonstration Forest, near hwy. Comment
  UC1196452  Corallorhiza maculata Joseph P. Tracy 1935-7-25 14252 Humboldt Brett Hole Trinity Summit (lower end) 1584 Comment
  HSC27568  Corallorhiza mertensiana J. D. Ackerman, A. Montalvo 1973-7-4 95 Humboldt Grogan Hole Rd, 18 mi. E of Hoopa Comment
  HSC40123  Corallorhiza mertensiana Thomas W. Nelson, James Nelson 1976-7-28 3072 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  UC1222818  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1950-6-17 18839 a Humboldt slough at railroad bridge (salt marsh); Eureka Comment
  UC582559  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1933-8-22 12991 Humboldt mouth of Eel River (in salt marsh) 3 Comment
  JEPS6805  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1939-8-16 16418 Humboldt Grouse Mountain 1524 Comment
  HSC96783  Cordyline australis Gordon Leppig 2004-6-8 2165 Humboldt Eureka, abandoned railroad tracks at Second St. and Commercial Ave. 2 Comment
  JEPS15874  Corethrogyne filaginifolia Joseph P. Tracy 1928-5-20 8442 Humboldt Petrolia; Mattole Valley 60 Comment
  JEPS41846  Corethrogyne filaginifolia W. L. Jepson 1936-8-17 17931 Humboldt Arcata Comment
  UC725642  Corethrogyne filaginifolia A. A. Heller 1924-7-23 13874 Humboldt Little River Comment
Read comments Sep 29 2006
  RSA46899  Cornus californica Doris K. Kildale 1925-9-27 1370 Humboldt Alton - Van Duzen River. 30 Comment
  CAS-BOT-BC212009  Cornus nuttallii Greg de Nevers 2001-4-17 12247 Humboldt Humboldt Redwoods State Park 91 Comment
  HSC59488  Cornus nuttallii M. A. Ericksen 1979-4-28 237 Humboldt Across from Bigfoot statue on left side of Hwy. 299, into Willow Creek from the west. Comment
  HSC99264  Cornus nuttallii T. Jimerson, J. Pageau 1979-6-13 548 Humboldt Near Onion Lake, close to the town of Orleans. 549 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
  RSA24326  Cornus sessilis C. B. Wolf 1941-2-28 4048 Humboldt Junction of Willow Creek and its E. fork. 457 Comment
  UC144109  Corylus californica J. P. Tracy 1909-7-18 3015 Humboldt Eureka Comment
  UC902053  Corylus californica Joseph P. Tracy 1949-8-11 18486 Humboldt 1 1/2 mi SE of Snow Camp 1341 Comment
  HSC41356  Corylus cornuta subsp. californica Brad Klipfel 1974-8-2 505 Humboldt Horse Mtn. Comment
  OBI20563  Corylus cornuta subsp. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Along Hookton Rd Comment
  RSA33407  Corylus cornuta var. californica Doris K. Kildale 1927-3-25 3004 Humboldt Humboldt Hill Comment
  CAS-BOT-BC176451  Cotoneaster simonsii Peter F. Zika 2007-7-19 23174 Humboldt Hookton Road, S end of Humboldt Bay, (NCo, North Coast) 10 Comment
  CHSC102885  Cotoneaster simonsii Peter F. Zika 2008-10-19 24227 Humboldt North Coast Nco. E side of Route 101, near Exit 728 for Trinidad Beach. 110 Comment
  UC1409109  Cotula coronopifolia Robert F. Thorne and P. Everett 1965-8-8 35272 Humboldt n edge Eureka (e of Hwy 101) 4 Comment
  UC485352  Cotula coronopifolia Joseph P. Tracy 1912-7-21 3775 Humboldt Alton; Northern Coast Region 30 Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  UC249632  Crassula connata var. erectoides Joseph P. Tracy 1921-4-24 5445 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  HSC5439  Crepis acuminata J. P. Tracy 1926-6-20 7621 Humboldt Horse Mt. Comment
  RSA95100  Crepis capillaris F. W. Peirson 1923-7-11 3936 Humboldt flats N of Eureka. Comment
  HSC32291  Crepis pleurocarpa J. O. Sawyer 1970-6-24 2221 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  JEPS37502  Crepis pleurocarpa Joseph P. Tracy 1935-7-28 14332 Humboldt Brett Hole Trinity Summit (head) 1828 Comment
  HSC44131  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1977-7-4 3599 Humboldt Along old trail N of Alder Spring 1555 Comment
  UC1225822  Crepis setosa Joseph P. Tracy 1948-9-20 18215 Humboldt Hoopa Valley 106 Comment
  HSC98004  Cryptantha affinis Cara Witte 2007-7-20 552 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  HSC3608  Cryptantha intermedia var. hendersonii H. E. Parks, J. P. Tracy 1934-6-14 11021 Humboldt Horse Mtn. near Arford cabin 1220 Comment
  HSC39787  Cryptantha leiocarpa Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  UC673225  Cryptantha milobakeri Lincoln Constance and Reed C. Rollins 1942-5-11 2878 Humboldt 5 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  HSC99128  Cryptantha torreyana Cara Witte 2008-7-2 796 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 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
  HSC76321  Cryptogramma acrostichoides Teresa Prendusi 1981-7-21 284 Humboldt Near Whiteys Peak 1646 Comment
  UC562474  Cuscuta campestris Joseph P. Tracy 1933-8-25 12996 Humboldt near mouth of Eel River; Centerville Beach 6 Comment
  UC604649  Cuscuta campestris Joseph P. Tracy 1938-8-28 16138 Humboldt Stone Lagoon Beach 6 Comment
  HSC59578  Cuscuta pacifica var. pacifica Rick Lundquist 1979-5-18 102 Humboldt South G St. 1 mi. S of Samoa Blvd. around Humboldt Bay 0 Comment
  UC35080  Cuscuta salina var. major Chesnut and Drew Aug 1888 Humboldt Eureka Comment
  HSC100845  Cynodon dactylon J. P. Smith, J. O. Sawyer 2009-10-4 12687 Humboldt Edge of parking lot at Ma-Le'l Dunes BLM Co-op Management Area 7 Comment
  UCD60075  Cynodon dactylon Joseph P. Tracy 1948-8-22 18108 Humboldt Vicinity of Carlotta. 30 Comment
  UC1239628  Cynoglossum grande Joseph P. Tracy 1927-4-10 7902 Humboldt near the s. fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC97497  Cynosurus echinatus Cara Witte 2007-5-31 153 Humboldt Along National Forest Rte. 1, near Kinsey Ridge, 1.5 miles north of intersection with 4N09 1299 Comment
  SEINET200939 Image available Cynosurus echinatus Joseph P. Tracy 1947-6-8 17708 Humboldt Carlotta 5 miles east of town by old Strong's District School House [Coordinates estimated along highway] 61 Comment
  HSC7210  Cyperus eragrostis D. E. Anderson 1963-9-29 2848 Humboldt Fish Lake Comment
  CDA38926  Cyperus eragrostis Gordon Leppig 1998-6-26 859 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. Comment
  HSC45552  Cyperus eragrostis J. P. Smith 1971-10-9 4990 Humboldt Mad River above the Fish Hatchery. Comment
  HSC7216  Cyperus eragrostis J. P. Tracy 1935-7-17 14099 Humboldt Trinity River Valley at Willow Creek 152 Comment
  POM160839  Cyperus squarrosus Joseph P. Tracy 1920-8-15 5362 Humboldt Klamath River at Bluff Creek. 152 Comment
  HSC54527  Cypripedium californicum Overton, Butler 1979-7-23 9466 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  HSC100390  Cystopteris fragilis Carl C. Marshall 454 Humboldt Road between Harris and Garberville. Comment
  POM208983  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt The mouth of Bull Creek, Humboldt Redwood Park 46 Comment
  CHSC10111  Cytisus scoparius T. M. Mingo 1965-5-1 Humboldt Approximately 5 miles north of Trinidad in fields near the coast. Comment
  HSC14669  Cytisus scoparius Francis Winter 1960-4-23 Humboldt 1.0 mi W of Angel Ranch on Korbel-Maple Creek Rd. 381 Comment
  HSC14670  Cytisus scoparius S. J. Hawks 1965-4-6 21 Humboldt Luffenholtz Beach Comment
  UC1222419  Cytisus scoparius Joseph P. Tracy 1950-6-17 18830 Humboldt Eureka Comment
  HSC14663  Cytisus scoparius var. andreanus T. M. Mingo May 1965 Humboldt 4 mi. N of College Cove Comment
  HSC14665  Cytisus scoparius var. andreanus S. S. Stutz 1963-5-18 54 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  RSA728077  Dactylis glomerata Gary D. Wallace 1979-6-24 1859 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek; near Honker Timber scale (?), near lookout. 1216 Comment
  SBBG53086  Dactylis glomerata R. N. Philbrick, J. R. Haller 1976-6-25 6 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CDA31640  Danthonia californica T. R. Haig 1960-6-19 Humboldt 2 miles south of Kneeland 0 Comment
  SEINET200652 Image available Danthonia californica Joseph P. Tracy 1927-7-4 8234 Humboldt Lone Star Creek Iaqua. 610 Comment
  UC1152022  Danthonia californica Joseph P. Tracy 1951-6-26 19572 Humboldt Snow Camp and Twin Lakes vicinity Comment
  RSA10086  Danthonia californica var. americana Joseph P. Tracy 1931-5-31 9548 Humboldt Kneeland Prairie 793 Comment
  HSC20253  Darmera peltata D. E. Anderson 1962-5-1 2199 Humboldt 1 mi. W of Hoopa Comment
  HSC59680  Daucus carota George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 6 Comment
  UC249612  Daucus pusillus Joseph P. Tracy 1921-7-10 5845 Humboldt near ocean Big Lagoon; Northern Coast Region, Big Lagoon 6 Comment
  HSC94007  Delairea odorata Gordon Leppig 2000-2-15 1283 Humboldt Central Ave. 1/4 mi. N of 101 and Mad River 12 Comment
  CAS-BOT-BC9029  Delphinium decorum subsp. tracyi Doris Kildale Gillespie 1931-5-10 10550 Humboldt Snow Camp Comment
  HSC97643  Delphinium decorum subsp. tracyi C. Witte 2007-5-22 78 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1392 Comment
  CAS-BOT-BC10314  Delphinium hesperium E. K. Balls; L. W. Lenz 1956-6-12 21665 Humboldt 9.1 mi. NE from Blue Lake along U.S. Hwy. 299, Arcata to Willow Creek 487 Comment
  HSC32332  Delphinium nudicaule D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5647 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC1222574  Delphinium trolliifolium Joseph P. Tracy 1950-6-15 18816 Humboldt ne side of ridge Mail Ridge, Huestis Rock (7 mi n of Harris) 822 Comment
  UC1222575  Delphinium trolliifolium Joseph P. Tracy 1951-6-26 19559 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Twin Lakes Comment
  HSC99633  Delphinium trolliifolium Allan R. Marshall 1962-5-11 10 Humboldt 50 yds. in front of N side of Hwy. 299 610 Comment
  UC1222576  Delphinium trolliifolium Joseph P. Tracy 1950-6-8 18721 Humboldt ridge summit near Mountain Glen Ranch (7 mi s of Ferndale); Bear River Ridge Comment
  HSC9609  Deschampsia danthonioides H. E. Parks May 1934 5022 Humboldt Big Lagoon Comment
  HSC102102  Deschampsia elongata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1005 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC97565  Deschampsia elongata Cara Witte 2007-6-7 223 Humboldt Along National Forest 1. Approximately 1 mile north of cattle guard. Comment
  JEPS75412  Deschampsia elongata W. L. Jepson 1932-7-24 16381 Humboldt 91 Comment
  RSA13514  Deschampsia elongata H. E. Parks 1931-05 3646 a Humboldt Big Lagoon Comment
  UC1541536  Deschampsia elongata Harold E. Parks May 1931 3232 a Humboldt Big Lagoon Comment
  UC1541537  Deschampsia elongata Harold E. Parks September 1928 172 Humboldt Big Lagoon Comment
  UCD63577  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3621 Humboldt 4 miles north of Bridgeville. Comment
  SEINET181183 Image available Deschampsia elongata Bassett Maguire, R Maguire; CB Maguire 1934-6-8 15070 Humboldt Bolling Grove State Park ; Under redwoods Comment
  HSC22052  Dicentra formosa B. D. Rogers, D. E. Anderson 1965-4-1 414 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  UC146101  Dicentra formosa J. P. Tracy 1903-8-4 1928 Humboldt immediate vicinity Eureka 0 Comment
  UC275328  Dicentra formosa Joseph P. Tracy 1923-6-20 6329 Humboldt White Thorn Valley; Northern Coast Ranges 304 Comment
  UC503032  Dicentra formosa Joseph P. Tracy Jul 16 1930-Jul 19 1930 9042 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  HSC3033  Dichelostemma ida-maia H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  HSC74700  Dichelostemma ida-maia Gail Newton 1981-8-5 2371 Humboldt Near Bug Creek, E Fork 914 Comment
  SEINET202731  Dichelostemma ida-maia Joseph P. Tracy, A. H. Murphy 1951-6-26 19568 Humboldt Vicinity of Twin Lakes and Snow Camp. Comment
  HSC3026  Dichelostemma ida-maia William J. Ferlatte, B. D. Rogers 1966-6-15 2102 Humboldt Plympton Ranch 915 Comment
  POM208998  Dichelostemma ida-maia Lincoln Constance 1934-5-23 604 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park 366 Comment
  UC13825  Dichelostemma multiflorum Harley P. Chandler Jun 1901 1310 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC23713  Digitalis purpurea Tim Baroni 1971-6-25 61 Humboldt 8 mi. E of Petrolia Comment
  UC1103232  Digitaria sanguinalis Joseph P. Tracy 1930-10-12 9212 Humboldt Alton to Fortuna; Eel River 15 Comment
  SEINET8245388  Diplacus kelloggii Unknown 1942-5-12 2894 Humboldt at junction of Klamath and Salmon rivers, 1 mile south of Somes Bar. 152 Comment
  SEINET4170350  Disporum hookeri Bassett Maguire, Ruth Maguire , C. B. Maguire 1934-6-8 15087 Humboldt Bolling Grove State Park Comment
  UC535769  Disporum hookeri Eleanor Armstrong 1934-5-27 Humboldt Richardson Grove Comment
  POM277202  Disporum hookeri var. hookeri Lyman Benson 1928-7-11 163 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  POM278274  Disporum smithii Lyman Benson 1928-7-11 163 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  RSA168808  Dodecatheon jeffreyi Joseph P. Tracy 1951-6-14 19406 Humboldt Snow Camp. 1402 Comment
  HSC36312  Drosera rotundifolia James Beaver 1973-5-20 Humboldt Big Lagoon Comment
  RSA0011668  Drosera rotundifolia C. B. Wolf 1934-7-2 5897 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  RSA0011678  Drosera rotundifolia R. F. Thorne, P. C. Everett 1965-8-7 35185 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  UC492178  Drymocallis lactea var. austiniae Joseph P. Tracy Jul 16 1930-Jul 19 1930 8976 Humboldt South Fork Mountain Northern Coast Ranges (wet meadow at McKay Camp) 1676 Comment
  CAS-BOT-BC70871  Dryopteris arguta Doris K. Kildale 1926-7-22 2415 Humboldt near Canyon Park Comment
  JEPS60039  Dryopteris arguta W. L. Jepson 1932-8-2 16473 Humboldt Deerfoot Vale Bull Creek Flat Comment
  RSA137328  Dryopteris arguta I. L. Wiggins 1957-6-21 14140 Humboldt Margin of grassy slide area on east side of road, 1 mile south of Garberville Comment
  UC62809  Dryopteris expansa Marshall A. Howe 1896-5-30 Humboldt Eureka Comment
  HSC1189  Dryopteris expansa J. C. Reppas 1963-3-9 11 Humboldt 1 mi. N of Fickle Hill Rd. Comment
  HSC91599  Dryopteris expansa E. Mackey 1987-8-29 Humboldt Patrick's Pont State Park, by bridge over Penn Creek Comment
  RSA751021  Dysphania multifida R. F. Thorne, P. Everett 1965-8-5 35157 Humboldt Samoa Dunes. 3 Comment
  CDA30189  Echinochloa crus-galli M. K. Beyers, I. Sheperdson 2009-9-13 239 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
  RSA10098  Echinochloa muricata var. microstachya Joseph P. Tracy 1930-10-12 9209 Humboldt Eel River, on gravel bars, Alton to Fortuna 15 Comment
  UCD49713  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Carpeting dried-up bed of pond. Dow's Prairie. 60 Comment
  RSA246898  Eleocharis acicularis var. gracilescens Robert F. Thorne, Percy C. Everett 1965-8-9 35326 Humboldt Clam Beach County Park: along highway. 3 Comment
  UC666873  Eleocharis macrostachya Joseph P. Tracy 1934-8-14 13570 Humboldt Alton 30 Comment
  POM273092  Eleocharis obtusa Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  UC666879  Eleocharis pachycarpa Joseph P. Tracy 1935-6-8 13947 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon) 3 Comment
  HSC96564  Eleocharis pachycarpa Gordon Leppig 1997-8-3 648 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC666919  Eleocharis suksdorfiana Joseph P. Tracy 1935-7-27 14305 Humboldt McKay Prairie, open places Trinity Summit 1584 Comment
  SEINET201037  Elymus X hansenii Joseph P. Tracy 1930-7-16 9054 Humboldt South Fork Moutain, open glades along summit near Blake lookout. Comment
  HSC58677  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12187 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  UC186000  Elymus glaucus Joseph P. Tracy 1912-6-9 3659 Humboldt Alton Northern Coast Region 30 Comment
  UC526798  Elymus glaucus Joseph P. Tracy 1926-6-20 7652 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  UCD62258  Elymus glaucus Freed W. Hoffman 1946-5-19 1729 Humboldt Mattole River. Comment
  UCD62280  Elymus glaucus R. Tofsrud 1947-6-29 194 Humboldt About 3 mi. N of Harris on road to Alder Point. Comment
  CAS-BOT-BC203479  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-5-26 9133 Humboldt Klamath River at Orleans 152 Comment
  HSC45112  Elymus glaucus subsp. glaucus R. Sutherland 1978-4-25 8 .25478 Humboldt 9 Comment
  HSC9734  Elymus mollis subsp. mollis S. J. Hawks, D. E. Anderson 1965-5-30 65 Humboldt 1/2 mi. SW of Arcata, Airport. Comment
  HSC9729  Elymus mollis subsp. mollis S. J. Moore 1965-5-3 2 Humboldt Gold Beach Comment
  CAS-BOT-BC204329  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek 762 Comment
  UC1103469  Elytrigia repens Joseph P. Tracy 1937-8-13 15664 Humboldt Loleta 9 Comment
  UC1103470  Elytrigia repens Joseph P. Tracy 1940-10-5 16751 Humboldt Trinidad; foot of coast bluff 6 Comment
  RSA0049661  Enemion stipitatum Dean Wm. Taylor 2011-5-4 21117 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junciton with Highway 36 734 Comment
Read comments May 17 2019
  HSC102919  Epilobium M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1077 Humboldt Patterson Meadows 1555 Comment
  UC1541559  Epilobium H. E. and S. T. Parks July 1937 24050 Humboldt Spruce Cove Trinidad 64 Comment
  SD51252  Epilobium angustifolium Darley F. Howe 1961-8-1 3102 Humboldt 11.2 miles north of Trinidad on Highway 101. Comment
  RSA647553  Epilobium angustifolium subsp. circumvagum G. F. Orr 1953-8-15 s.n. Humboldt Patrick Point State Park, Trinidad Comment
  JEPS31518  Epilobium brachycarpum Joseph P. Tracy 1933-8-6 12942 Humboldt French Camp Ridge 1066 Comment
  HSC43233  Epilobium brachycarpum R. Sutherland 1976-8-18 2 .18876 Humboldt Briceland 183 Comment
  HSC54566  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9586 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC74686  Epilobium ciliatum subsp. ciliatum Gail Newton 1981-8-7 2452 Humboldt Near Board Camp Mtn. 1478 Comment
  UC146138  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1909-8-15 3075 Humboldt Immediate vicinity of Eureka 0 Comment
  UC583053  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-12 14379 Humboldt Willow Creek Comment
  HSC43235  Epilobium ciliatum subsp. ciliatum R. Sutherland 1976-8-19 3 .19876 Humboldt 259 Comment
  POM225269  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-10 14340 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  UC562507  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1933-8-30 13028 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC203562  Epilobium densiflorum Joseph P. Tracy 1918-7-5 5020 Humboldt White Thorn Valley Northern Coast Ranges (in ditch) 304 Comment
  POM225270  Epilobium foliosum P. A. Munz 1936-8-10 14341 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. 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
  HSC55015  Epilobium hallianum Overton, Butler 1979-7-31 11407 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC505114  Epilobium hallianum Joseph P. Tracy 1932-7-14 10533 Humboldt Corral Prairie Klamath Mountains, Trinity Summit (meadow) 1524 Comment
  HSC41818  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3514 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  HSC49636  Epilobium minutum J. P. Smith, J. O. Sawyer 1973-5-12 6700 Humboldt 9.6 mi. from Redwood Creek on Hoopa Rd. Comment
  CAS-BOT-BC171845  Epilobium septentrionale Joseph P. Tracy 1933-9-9 13075 Humboldt Along S. Fork of Eel River, vicinity of Garberville 121 Comment
  HSC71087  Equisetum arvense Thomas W. Nelson, Jane Nelson 1977-5-30 3406 Humboldt Back bay of Mad River at Anderson's Ford 640 Comment
  UC667934  Equisetum hyemale subsp. affine Joseph P. Tracy 1937-3-21 15234 Humboldt near Grizzly Creek Van Duzen River 91 Comment
  RSA53858  Equisetum laevigatum Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River, near Boyce Creek Orleans region Comment
  POM118344  Equisetum telmateia var. braunii Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA21604  Equisetum telmateia var. braunii C. B. Wolf 1937-9-14 9351 Humboldt North Coast Range, Lord Ellis Road, 7.6 miles east of Blue Lake. 213 Comment
  SEINET10618699  Erechtites glomeratus Harold E. Parks, Susan T. Parks Parks 24033 Humboldt Spruce Cove, Trinidad. 61 Comment
  POM51468  Erechtites minimus Joseph P. Tracy 1918-7-28 5088 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay. Comment
  UCD117420  Erica lusitanica T. C. Fuller 1961-3-22 5938 Humboldt N. slope Humboldt Hill, Eureka. Comment
  HSC57894  Ericameria greenei Butler, Overton 1979-7-31 11469 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  CAS-BOT-BC300680  Erigeron foliosus var. mendocinus Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC1222983  Erigeron glacialis var. glacialis Joseph P. Tracy 1947-8-24 17902 Humboldt meadow at Box Camp; Trinity Summit, Box Camp 1463 Comment
  POM289039  Erigeron glaucus Lyman Benson 1929-7-19 1850 Humboldt Mouth of Matole River. Comment
  UC1223140  Erigeron glaucus Joseph P. Tracy 1948-6-10 18038 Humboldt w Trinidad 7 Comment
  HSC102241  Erigeron inornatus var. inornatus Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  HSC97707  Erigeron maniopotamicus Thomas W. Nelson, James Nelson 1980-6-10 5395 Humboldt Jack Rabbit Valley, along Swayback Ridge 4-wheel drive road, 1 mi. S of junction with Forest Service road 1494 Comment
  POM126126  Erigeron strigosus Joseph P. Tracy 1923-6-27 6384 Humboldt Trinity River Valley, near Willow Creek Comment
  UC1199399  Erigeron strigosus var. septentrionalis Joseph P. Tracy 1918-6-23 4959 Humboldt Boynton Prairie Road near the Carroll Place (around Humboldt Bay); North Coast Ranges, Fickle Hill 304 Comment
  UC31538  Erigeron supplex H. N. Bolander 1863-1 4754 Humboldt Comment
Read comments Feb 20 2007
  CAS-BOT-BC248808  Eriogonum compositum var. compositum Volney Rattan 1883-6-1 s.n. Humboldt Summit bet. Mad R. & Pilot Cr. Comment
  BLMAR108  Eriogonum latifolium Jennifer Anthony-Wheeler 1994-9-8 108 Humboldt Samoa/manilla dunes, growing in every dune mat area in the samoa rare plant protection area 12 Comment
  CAS-BOT-BC259163  Eriogonum latifolium Carl B. Wolf 1937-9-12 9331 Humboldt Clam Beach 7 Comment
  SBBG28255  Eriogonum latifolium H. E. Parks -Aug-1941 24198 Humboldt Little River Comment
  SD38695  Eriogonum latifolium Edith A. Purer 1932-7-27 4149 Humboldt Samoa, stabilized sand dunes Comment
  CAS-BOT-BC259538  Eriogonum luteolum var. luteolum Joseph P. Tracy 1938-8-14 16120 Humboldt South Fork of Trinity River: mountain slopes west of its mouth 304 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
  HSC17450  Eriogonum nudum var. oblongifolium D. E. Anderson 1962-7-14 2254 Humboldt About 3 mi. E of Kneeland Comment
  HSC74698  Eriogonum umbellatum Gail Newton 1981-7-24 2291 Humboldt Near Chaparral Mtn. 1512 Comment
  RSA46683  Eriogonum umbellatum var. goodmanii Doris K. Kildale 1937-7-18 15131 Humboldt Horse Mt. Comment
  CDA22681  Eriogonum umbellatum var. nelsoniorum L. P. Janeway, B. Castro 1996-8-4 5060 Humboldt High North Coast Ranges; Along Titlow Hill Road (Road #1) about 0.3 mile west of the spur road to top of Horse Mountain. Comment
  JEPS56129  Eriogonum vimineum W. L. Jepson 1932-7-25 16395 Humboldt Old Camp Grant Eel River, Old Camp Grant Comment
  HSC100432  Eriophyllum Carl C. Marshall Jun 1885 92 Humboldt No data. Comment
  HSC40042  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2895 Humboldt Along ridge N of Bear Creek 1463 Comment
  UC165786  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1903-5-24 1917 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  UC582673  Eriophyllum staechadifolium Joseph P. Tracy 1935-7-18 14101 Humboldt Hillside facing ocean on Table Bluff 30 Comment
  UC203994  Erodium botrys Joseph P. Tracy 1918-7-5 5026 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC176874  Erodium cicutarium Joseph P. Tracy 1912-6-9 3675 Humboldt Alton Northern Coast Region 30 Comment
  UC668047  Erodium cicutarium Joseph P. Tracy 1933-5-28 12407 Humboldt at Eureka Eureka 15 Comment
  HSC7229  Erodium cicutarium D. E. Anderson 1963-5-19 2463 Humboldt Barry Rd., 1/2 mi. W of Kneeland school Comment
  HSC57415  Erysimum capitatum var. capitatum G. L. Clifton, Terry Griswold 1979-7-26 10177 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  RSA0008583  Erysimum menziesii Vernon H. Oswald 2000-4-3 9911 Humboldt Near the junction of New Navy Base Road and the road to Fairhaven on the North Spit of Humboldt Bay. 9 Comment
  UCD115016  Erysimum menziesii Linda M. Barker 1976-4-13 1384 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC153741  Erythranthe alsinoides Doris K. Kildale 1929-4-23 7438 Humboldt Kneeland Prairie 853 Comment
  SEINET13723796 Image available Erythranthe moschata Joseph P. Tracy 1908-1 2697 Humboldt Valley of Van Duzen River; opposite Buck Mountain 762 Comment
  UC666966  Erythronium californicum Joseph P. Tracy 1927-3-27 7860 Humboldt near South Fork; Trinity River Valley 182 Comment
  JEPS79888  Erythronium oregonum Joseph P. Tracy 1918-5-1 4897 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1134597  Erythronium revolutum R. Stahelin 1933-5-17 Humboldt Kneeland Prairie China Flat Quadrangle Comment
  UC161568  Eschscholzia californica Joseph P. Tracy 1911-5-30 3210 Humboldt bluff near Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  JEPS20472  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  UC1199356  Euchiton sphaericus Joseph P. Tracy 1948-9-26 18230 Humboldt 6 mi SE of Arcata (Fickle Hill) 609 Comment
  UC1199357  Euchiton sphaericus Joseph P. Tracy 1938-6-20 15974 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UC1540456  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  UC1198982  Euphorbia spathulata Joseph P. Tracy 1947-5-10 17678 Humboldt near Briceland 457 Comment
  UC668186  Euphorbia spathulata Joseph P. Tracy 1927-7-4 8226 Humboldt Kneeland Prairie 762 Comment
  HSC35991  Eurybia radulina Thomas W. Nelson, James Nelson 1975-9-1 2189 Humboldt High Rock State Park Comment
  UC249850  Eurybia radulina Joseph P. Tracy 1924-8-10 6813 Humboldt at Blue Slide, on Van Duzen River Van Duzen River 91 Comment
  HSC97536  Euthamia occidentalis Ivy Watson 2008-9-17 18 Humboldt Mad River Park on West End Rd., near pumping station, 200 ft. from the water 8 Comment
  UC535703  Euthamia occidentalis Eleanor Armstrong 1934-8-16 1150 Humboldt Richardson Grove 121 Comment
  SEINET4206010  Fallopia convolvulus Chesnut, Drew 1888-7-25 s.n. Humboldt Grouse Creek Comment
  UC207580  Festuca californica Joseph P. Tracy 1916-4-30 4683 Humboldt Table Bluff, around Humboldt Bay Northern Coast Ranges, Humboldt Bay 121 Comment
  CAS-BOT-BC282501  Festuca elmeri H. S. Yates 1936-6-17 5690 Humboldt South Fork Peak, lower N.W. slope of Buck Mtn. 792 Comment
  HSC63852  Festuca idahoensis M. A. Baker 1979-6-27 916 Humboldt S facing ridgeside Comment
Read comments Feb 15 2013
  RSA728074  Festuca idahoensis Gary D. Wallace 1979-6-24 1862 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  UC570335  Festuca idahoensis H. S. Yates 1936-6-17 5697 Humboldt lower nw slope Buck Mountain; South Fork Pk. 792 Comment
  UC38489  Festuca occidentalis Harley P. Chandler Jun 1901 1474 Humboldt Klamath River North Coast Ranges Comment
  BLMAR435  Festuca rubra Jennifer Anthony-Wheeler 2008-6-18 435 Humboldt Samoa/Malel Dunes 9 Comment
  CAS-BOT-BC278962  Festuca rubra David D. Keck 1944-7-11 5490 Humboldt 3 mi. N.E. of Capetown 152 Comment
  UC526867  Festuca rubra Joseph P. Tracy 1927-6-8 8112 Humboldt Trinidad Northern Coast Region 60 Comment
  HSC70481  Festuca subulata Gail Newton 1980-7-20 1632 Humboldt Near Bell Swamps 1426 Comment
  UC277198  Festuca subulata Joseph P. Tracy 1921-6-4 5812 Humboldt Alton Northern Coast Region 30 Comment
  POM111919  Festuca subuliflora H. P. Chandler 1901-05 1179 Humboldt Humboldt Bay. 30 Comment
  UC1198734  Fragaria Joseph P. Tracy 1935-7-27 14285 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  HSC38191  Fragaria chiloensis Peter Sorensen 1976-5-28 Humboldt N Spit of Humboldt Bay, S of Samoa Comment
  CAS-BOT-BC52729  Frangula californica subsp. californica C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UCD113176  Frangula purshiana W. F. Murison 1965-9-30 s.n. Humboldt Kneeland. 822 Comment
  SBBG26941  Frangula purshiana subsp. purshiana C. B. Wolf 1937-8-13 Humboldt 11 mi E of Hoopa Valley on new rd towards Trinity summit 1524 Comment
  HSC18422  Frangula purshiana subsp. purshiana R. T. Haase 1965-4-26 11 Humboldt Comment
  POM188359  Fraxinus latifolia Marcus E. Jones 1931-7-16 28864 Humboldt Junction, East of Arcata. Comment
  HSC15539  Fritillaria affinis D. E. Anderson 1962-5-1 2189 Humboldt Junction of Redwood Creek Rd. and rd. to Hoopa Comment
  RSA249430  Galium ambiguum D. E. Anderson, T. Nelson, S. Dowty 1972-6-14 5596 Humboldt Mt Lassic and two smaller peaks to immediate E. 1768 Comment
  JEPS6512  Galium bifolium Joseph P. Tracy 1933-7-16 12778 Humboldt near McKay Camp; South Fork Mt. 1676 Comment
  HSC70981  Galium bolanderi Gail Newton 1980-7-22 1664 Humboldt Near Devils Backbone 1554 Comment
  JEPS6692  Galium californicum subsp. californicum Joseph P. Tracy 1927-5-30 8085 Humboldt between Briceland and Redway 182 Comment
  HSC36248  Galium muricatum Thomas W. Nelson, Jane P. Nelson 1976-2-21 2243 Humboldt Beside the Hoopa-Redwood Valley Rd., 2.5 mi. W of Hoopa Comment
  JEPS52844  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-27 3957 Humboldt along stream on road to Madrone Campground Redwood Highway, Richardson Grove Comment
  UC175682  Galium porrigens Joseph P. Tracy 1912-7-26 3863 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC76673  Galium trifidum var. pacificum Chesnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  UC1196079  Galium triflorum Joseph P. Tracy 1930-7-16 8925 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC169032  Galium triflorum Joseph P. Tracy 1908-6 2862 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC602538  Galium triflorum Joseph P. Tracy 1932-7-17 10654 Humboldt woods near Corral Prairie; Trinity Summit 1584 Comment
  BLMAR224  Galium triflorum Jennifer Anthony-Wheeler 1996-7-11 224 Humboldt N. Dobbyn creek, shady areas of forest floor throughout understory 1005 Comment
  POM87665  Galium triflorum L. R. Abrams 1922-6-25 8301 Humboldt Near northern boundary. Comment
  CAS-BOT-BC303398  Gamochaeta ustulata L. R. Abrams 1916-7-18 6125 Humboldt Arcata to Trinidad Comment
  UC1199355  Gamochaeta ustulata J. P. Tracy 1901-6-16 1147 Humboldt immediate vicinity Eureka 0 Comment
  UC1199354  Gamochaeta ustulata Joseph P. Tracy 1917-7-8 4828 Humboldt Kneeland Prairie Road 457 Comment
  HSC72784  Garrya buxifolia M. A. Baker 1980-7-11 2798 Humboldt Near Red Mtn. 1341 Comment
  HSC8386  Garrya elliptica L. Lankow 1968-11-17 Humboldt Patrick's Point State Park Comment
  UC169895  Garrya fremontii Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5346 Humboldt near Bell Springs Comment
  UC1714442  Gastridium ventricosum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 Humboldt Hoopa Mt. Comment
  HSC7819  Gaultheria ovatifolia D. E. Anderson 1965-6-1 3761 Humboldt Horse Mountain. 1220 Comment
  HSC1802  Gaultheria shallon William J. Ferlatte, B. D. Rogers 1966-8-15 3127 Humboldt 5 mi. E of Arcata Comment
  HSC23141  Gaultheria shallon Norman Dennis 1965-6-19 125 Humboldt 0.25 mi S and 1.0 mi. E of junction of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 5 mi. SE of Kneeland 793 Comment
  UC535770  Gaultheria shallon Eleanor Armstrong 1934-5-17 Humboldt Garden Club Grove Comment
  UC562499  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-8-30 13047 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  JEPS27598  Gayophytum heterozygum Joseph P. Tracy 1936-8-8 15137 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC35402  Gayophytum humile Chesnut and Drew 1888-7-20 Humboldt S. Fork Mt. Comment
  UC505122  Gayophytum humile Joseph P. Tracy 1932-7-11 10424 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  JEPS47044  Gentiana affinis var. ovata Joseph P. Tracy 1930-7-27 9110 Humboldt Bear River Ridge North Coast Ranges 609 Comment
  JEPS47046  Gentiana affinis var. ovata Joseph P. Tracy 1933-10-1 13078 Humboldt Big Lagoon 91 Comment
  JEPS47047  Gentiana affinis var. ovata W. L. Jepson 1902-8-1 2134 Humboldt Loleta 60 Comment
  CAS-BOT-BC217409  Gentiana plurisetosa E. V. Jotter 1912-10-1 247 Humboldt Trinity Summit, Trinity Forest 1524 Comment
  HSC8453  Gentiana sceptrum D. E. Anderson 1961-9-9 1797 Humboldt Big Lagoon County Park Comment
  HSC28132  Geranium molle J. D. Ackerman 1973-5-6 51 Humboldt Redcrest Comment
  CAS-BOT-BC457030  Geum macrophyllum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC176953  Gilia capitata subsp. pacifica Joseph P. Tracy 1912-6-9 3672 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC59713  Gilia millefoliata Clark L. Miller 1979-5-9 4114 Humboldt Samoa Dunes off Samoa Blvd. Comment
  UC146177  Gilia millefoliata Joseph P. Tracy 1905-6-11 2190 Humboldt sandy soil at Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  JEPS79894  Gilia sinistra subsp. sinistra Joseph P. Tracy 1926-6-27 7679 Humboldt Horse Mountain 1432 Comment
  RSA273327  Glaux maritima J. D. Ackerman 1975-6-10 453 Humboldt 1 mile N of Samoa Bridge turnoff from Samoa Blvd., S of Manila, Humboldt Bay Comment
  UC1199277  Glebionis segetum Joseph P. Tracy 1933-8-22 12977 Humboldt at Eureka 6 Comment
  UC582540  Glebionis segetum Joseph P. Tracy 1932-5-30 10125 Humboldt Rohnerville 91 Comment
  HSC10076  Glyceria X occidentalis J. A. Waller 1965-5-2 32 Humboldt Mud flats off of Samoa Comment
  CDA2166  Glyceria declinata E. C. Whitney 1968-7-16 Humboldt Arcata Bottom area. 0 Comment
  UCD85137  Glyceria elata Francia Chisaki; Helen K. Sharsmith 1959-8-22 4756 Humboldt Inner North Coast Ranges. In bog at Happy Camp adjacent to Douglas Fir forest. Just over Trinity County line. 914 Comment
  RSA624789  Glyceria fluitans Gordon Leppig, Sylvia Leppig 1999-4-24 1125 Humboldt Arcata, Alder Grove Pond. 18 Comment
  SEINET7292867 Image available Glyceria occidentalis Joseph P. Tracy 1942-1 17090 Humboldt Loleta Comment
  SEINET11849375  Gnaphalium japonicum J. P. Tracy 1949-1 18591 Humboldt Van Duzen River, near Grizzly Creek 91 Comment
  UC630459  Gnaphalium palustre H. E. and S. T. Parks 1937-7 24026 Humboldt Spruce Cove Northwestern California, Trinidad, Spruce Cove Comment
  HSC103576  Gnaphalium palustre Thomas W. Nelson, Jane Nelson 1981-8-10 6736 Humboldt Eureka; along old logging road just south of Lundbar Hills. Comment
  UC164897  Gnaphalium palustre Joseph P. Tracy 1909-7-18 3024 Humboldt sand dunes of Ocean Beach; Northern Coast Region, , Humboldt Bay Comment
  UC1326261  Goodyera oblongifolia Milo S. Baker 1947-8-10 11906 Humboldt along trail to Trinity Summit from end of Forest Road from Hoopa Trinity Summit 1432 Comment
  UC1223102  Grindelia hirsutula Joseph P. Tracy 1947-11-9 17944 Humboldt s side mouth of Eel River at Camp Weeott; mouth of Eel River 3 Comment
  UC520410  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-9 3686 Humboldt Eureka; salt meadows along canal Comment
  POM160899  Grindelia hirsutula var. davyi Joseph P. Tracy 1918-7-7 5038 Humboldt Near Garberville. 122 Comment
  UCR48860  Grindelia stricta R. D. Goeden 1987-9-2 870902- 21 Humboldt Cape Mendocino (Cape Ridge) on bank above Mattole Rd. 183 Comment
  UCD132571  Grindelia stricta var. stricta Gordon Leppig 1998-8-6 994 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  SEINET10614320 Image available Grindelia stricta var. stricta J. A. Moore, Julian A. Steyermark 1931-8-9 Moore 3686 Humboldt Salt meadows along canal, Eureka. Comment
  HSC102027  Hackelia micrantha M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 928 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 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
  SEINET11678982  Hainardia cylindrica J. P. Tracy 1938-1 16071 Humboldt mouth of Eel River 3 Comment
  HSC57626  Hazardia whitneyi G. L. Clifton, Griswold 1979-7-25 10765 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC306611  Helenium bigelovii Paul F. Covel 1937-7-14 1047 Humboldt Loleta Comment
  CAS-BOT-BC306614  Helenium bigelovii Carl B. Wolf 1937-8-13 9248 Humboldt North Coast Range, 11 mi. E. of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  CAS-BOT-BC306615  Helenium bigelovii Joseph P. Tracy 1937-8-12 15657 Humboldt Snow Camp 1402 Comment
  HSC75258  Helenium bigelovii J. O. Sawyer, M. A. Ericksen 1980-8-18 4052 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC5768  Helenium bolanderi H. E. Parks, J. P. Tracy 1937-6-16 15431 Humboldt Trinidad 61 Comment
  JEPS35541  Helenium puberulum W. L. Jepson 1936-8-13 17892 Humboldt Philipsville S. Fk. Eel River Comment
  HSC38709  Hemizonella minima J. P. Smith 1976-5-29 8819 Humboldt Horse Mtn. 1402 Comment
  HSC40031  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-22 2879 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  HSC53816  Hemizonella minima Griswold, Butler 1979-7-10 6253 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  HSC103324  Hemizonella minima Erin Lonergan, Benjamin Hart 2007-6-4 1 Humboldt Coldsprings Camp, 6.5 mi. S of Hwy. 299 on Forest Service Road NF1. 1372 Comment
  CAS-BOT-BC306183  Hemizonia congesta subsp. congesta J. Clausen 1932-9-18 679 Humboldt 4 miles southwest of Capetown on the road to Petrolia 213 Comment
  CAS-BOT-BC309989  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1914-7-5 4570 Humboldt Northern Coast Ranges. High Prairie on Bald Mountain 1066 Comment
  UC677739  Hemizonia congesta subsp. tracyi S. K. Harris 1936-6-20 699 Humboldt 1 mi w Bridgeville; Van Duzen River Comment
  HSC56237  Heracleum maximum Overton 1979-8-1 12321 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  HSC76200  Heracleum maximum Overton, Butler 1979-8-2 12523 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC98193  Hesperocyparis macrocarpa Will Ferrand 2002-4-27 44 Humboldt HSU Campus, 100ft W of library 24 Comment
  POM208987  Heterocodon rariflorum Lincoln Constance 1934-6-19 915 Humboldt E slope of Grasshopper Peak, Bull Creek watershed, Humboldt Redwood Park. 762 Comment
  SEINET10972515  Heterocodon rariflorum Harold E. Parks, Joseph P. Tracy Parks 11084 Humboldt GROUSE MTN Comment
  CAS-BOT-BC311053  Heterotheca oregona var. oregona John Thomas Howell 1936-8-29 12889 Humboldt Bluffs of Eel River, 11 miles n. of Garberville Comment
  JEPS2421  Heterotheca oregona var. oregona W. L. Jepson 1936-8-12 17875 Humboldt Philipsville, gravel bars and lowest terrace of South Fork Eel River South Fork Eel River Comment
  CAS-BOT-BC311080  Heterotheca oregona var. rudis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  RSA298143  Heterotheca oregona var. rudis J. P. Smith 1971-10-9 4987 Humboldt Mad River above the Fish Hatchery. Comment
  CAS-BOT-BC425003  Heuchera micrantha var. micrantha Huron H. Smith 1911-6-6 3794 Humboldt Little River Jc. Comment
  CAS-BOT-BC312387  Hieracium albiflorum Ira L. Wiggins 1930-7-22 4691 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC74180  Hieracium albiflorum M. A. Baker 1980-7-23 3162 Humboldt Near Orleans Mtn. 1859 Comment
  HSC81930  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4947 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC57935  Hieracium greenei G. L. Clifton, Griswold 1979-7-31 11587 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  HSC74490  Hieracium greenei M. A. Baker 1980-7-24 3209 Humboldt Near Orleans Mtn. 1625 Comment
  UC582411  Hieracium greenei Joseph P. Tracy 1935-7-30 14358 Humboldt Salmon Summit 1767 Comment
  POM160893  Hierochloe occidentalis Joseph P. Tracy 1918-4-21 4882 Humboldt Around Humboldt Bay, old Kneeland Road 305 Comment
  CDA38204  Hippuris vulgaris E. C. Whitney 1962-7-23 s.n. Humboldt Pepperwood; R. Wallen property. 0 Comment
  HSC13459  Hippuris vulgaris Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC61726  Hirschfeldia incana Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  HSC10127  Holcus lanatus True Hoyle 1967-6-24 25967 Humboldt 20 mi. S of Arcata near Little Salmon Creek on the Marvin Stapp Ranch 46 Comment
  HSC10135  Holcus lanatus D. B. Bader 1963-5-1 12 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101, along the railroad tracks. Comment
  HSC10139  Holcus lanatus W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  HSC27024  Holcus lanatus Brad W. Klipfel 1973-8-17 273 Humboldt Big Lagoon Park, at the Sphagnum bog. Comment
  HSC45220  Holcus lanatus M. Alcasas 1978-5-27 111 Humboldt On access road to Eel River Sawmills, 0.5 mi. from Hwy. 101 30 Comment
  CAS-BOT-BC149906  Holodiscus discolor Alice Eastwood 1921-7-21 10651 Humboldt Carlotta Comment
  HSC98777  Holodiscus discolor Cara Witte 2007-8-8 623 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1547 Comment
  SD61035  Holodiscus discolor Darley F. Howe 1964-8-10 Humboldt 1.8 mile from Ferndale on rd. to Petrolia 305 Comment
  HSC38770  Hordeum brachyantherum J. D. Ackerman 1975-6-10 463 Humboldt 1 mi. N of Samoa Blvd. and Samoa bridge Rd. intersection. S of Manila. Near Railroad tracks Comment
  UC1103747  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1927-7-16 8251 Humboldt mouth of Elk River 3 Comment
  HSC104057  Hordeum murinum C. Reynolds 2015-4-28 41 Humboldt Along trail through Arcata Marsh, near Interpretive Center 5 Comment
  HSC23680  Horkelia tridentata var. flavescens D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5054 Humboldt ca. 6 miles W of Hoopa, along road from Redwood Creek to Hoopa Comment
  SD113612  Hosackia crassifolia var. crassifolia Darley F. Howe 1962-5-22 3305 Humboldt 4.3 miles east of Orick on Bald Mountain Road 609 Comment
  HSC41253  Hosackia oblongifolia Brad Klipfel 1974-6-25 443 Humboldt Horse Mtn., near the creek just below the mine Comment
  CHSC866  Hosackia rosea V. Holt 1941-5-30 Humboldt Comment
  UCD128229  Hydrocotyle ranunculoides Linda M. Barker 1976-8-2 1704 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  SBBG28785  Hydrophyllum occidentale L. Constance, A. A. Beetle, J. P. Tracy 1940-5-17 2618 Humboldt lower slopes of Buck Mtn near Eureka 792 Comment
  POM229372  Hydrophyllum tenuipes Lincoln Constance, A. A. Beetle 1940-5-16 2611 Humboldt Valley of Van Duzen River, 5 miles east of Carlotta. 30 Comment
  HSC53870  Hypericum anagalloides Griswold, Butler 1979-7-10 6350 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC420746  Hypericum perforatum Harley P. Chandler June, 1901 1493 Humboldt Klamath R. North Coast Ranges, Klamath R. 426 Comment
  CAS-BOT-BC401304  Hypericum scouleri Ira L. Wiggins 1932-7-18 5886 Humboldt Between Arcata and Bayside Comment
  HSC60062  Hypochaeris glabra M. A. Baker 1978-5-6 491 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  UC166804  Hypochaeris radicata J. P. Tracy 1909-7-4 3007 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC206847  Iliamna latibracteata C. B. Wolf 1934-7-3 5909 Humboldt 3 miles north of Orick on Redwood Highway, Davison's Ranch on Prairie Creek 60 Comment
  NY177411  Iliamna rivularis var. rivularis H. N. Mozingo 1976-6-28 76100 Humboldt Outside of Humboldt National Forest, at roadside near Solid Silver Creek 1691.6 Comment
Read comments Feb 27 2012
  HSC55838  Ipomopsis aggregata G. L. Clifton, Griswold 1979-7-25 10775 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC82389  Ipomopsis aggregata subsp. aggregata Thomas W. Nelson 1979-7-11 5029 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  UCR39771  Ipomopsis aggregata subsp. formosissima D. K. Imper 1983-7-7 s.n. Humboldt In Groves Prairie. 1300 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
  JEPS539  Iris douglasiana W. L. Jepson 1932-8-9 16543 Humboldt Bull Creek Comment
  HSC13893  Iris douglasiana W. F. Nickel 1965-4-23 Humboldt 10 mi. N of Arcata at Moonstone Beach Comment
  UC1196390  Iris macrosiphon Joseph P. Tracy 1940-5-17 16547 Humboldt McClellan Mt. 762 Comment
  UC429165  Iris purdyi P. E. Goddard 1906-6 644 Humboldt above Bells (Eel River); Eel River Comment
  HSC66485  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-5-1 440 Humboldt 1.3 mi. S of Hwy. 96 on Ishi Pishi Rd., W side of road, Orleans 232 Comment
  NY22146  Iris tenax subsp. klamathensis L. W. Lenz 1953-5-13 18296 Humboldt Wooded hillsides along Klamath River, Orleans Comment
  HSC67179  Iris tenuissima Thomas W. Nelson, James Nelson 1980-6-10 5430 Humboldt Along E side of Red Mtn. 1372 Comment
  HSC70763  Iris tenuissima R. York 1980-5-17 538 Humboldt Near Le Perron Peak 1066 Comment
  HSC74329  Iris tenuissima M. A. Baker 1980-6-16 1958 Humboldt Near Onion Mtn. 1280 Comment
  CDA39594  Iris tenuissima Rex E. Marsh 1961-4-1 s.n. Humboldt 2 miles south of Garberville. 0 Comment
  HSC67160  Iris tenuissima J. P. Smith, J. O. Sawyer 1973-5-12 6669 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  RSA136529  Iris tenuissima Lee W. Lenz 1953-5-12 18295 Humboldt 2 miles west Humboldt County line, Highway 299 180 Comment
  HSC75280  Isoetes bolanderi J. O. Sawyer, D. A. Thornburgh 1980-9-9 4075 Humboldt Mill Creek Lake and surrounding meadows Comment
  UC667940  Isoetes howellii Joseph P. Tracy 1937-8-12 15650 Humboldt Snow Camp 1402 Comment
  HSC7446  Isolepis cernua C. B. Wolf 1927-8-22 790 Humboldt Big Lagoon Comment
  HSC77918  Isolepis cernua L. P. Janeway, Paul Wilson 1984-5-25 819 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  CAS-BOT-BC340156  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River 3 Comment
  CAS-BOT-BC340228  Jaumea carnosa Marcus E. Jones 1931-7-16 2911 Humboldt Arcata Comment
  HSC38446  Jaumea carnosa J. P. Smith 1976-7-3 8935 Humboldt Manila, Samoa Peninsula Comment
  CAS-BOT-BC101963  Juglans hindsii Henry M. Pollard 1947-8-30 s.n. Humboldt Along Klamath River nr. Wilson Creek, Orleans region Comment
  CAS-BOT-BC109924  Juncus Doris Kildale 1931-5-10 10675 Humboldt Snow Camp. Comment
  HSC14013  Juncus breweri S. J. Moore 1965-5-3 6 Humboldt Gold Beach near waters edge by lake Comment
  CHSC105147  Juncus covillei Peter F. Zika 2008-10-19 24231 Humboldt Uncommon in damp ditches, full sun, E side of Route 101, near Exit 728 for Trinidad Beach 110 Comment
  HSC77350  Juncus covillei L. P. Janeway 1982-6-20 16 Humboldt Near gutter near underdrain of FS Rd. 6N36, 30 m N of Titlow Hill Rd. towards Horse Mtn. 1384 Comment
  UC1152107  Juncus covillei Joseph P. Tracy 1937-8-12 15644 Humboldt Snow Camp Meadow Comment
  RSA246800  Juncus effusus subsp. pacificus Robert F. Thorne, Percy C. Everett 1965-8-5 35143 Humboldt 5.2 miles N of junction of Horse Mt. and Shelter Cove Roads. 457 Comment
  UC1152106  Juncus effusus subsp. pacificus Joseph P. Tracy 1930-11-9 9247 Humboldt just n Arcata (on Redwood Highway) Comment
  HSC14019  Juncus ensifolius H. E. Parks, J. P. Tracy 1924-8-3 2400 Humboldt Big Lagoon Comment
  HSC98575  Juncus ensifolius Cara Witte 2008-8-6 1012 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  CHSC102931  Juncus hesperius Peter F. Zika 2007-7-30 23327 Humboldt North Coast, NCo. Above E side of Route 101, at high point between Stone and Big Lagoons. 80 Comment
  UC1152104  Juncus hesperius Joseph P. Tracy 1938-6-15 15938 Humboldt 2 mi e Carlotta 30 Comment
  HSC63878  Juncus laccatus M. A. Baker 1979-6-29 957 Humboldt Hopkins Creek 750 Comment
  HSC38189  Juncus lescurii Peter Sorensen 1976-7-14 Humboldt N spit Comment
  HSC23804  Juncus lescurii Tim Baroni 1971-6-26 69 Humboldt Out the Samoa Peninsula just opposite the Georgia Pacific pulp mill Comment
  JEPS121390  Juncus occidentalis Peter F. Zika 2011-7-3 25491 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain Comment
  UC1133717  Juncus patens H. S. Yates 1936-6-23 5858 Humboldt 2 mi se mouth of Mad River; Eureka Quad. 30 Comment
  HSC79500  Juncus patens Kenneth Clark 1980-6-14 682 Humboldt Shelter Cove, N Fork of Dead Man's Gulch. 122 Comment
  UC1601806  Juncus phaeocephalus Harley P. Chandler May 1901 1123 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC201995  Juncus phaeocephalus Joseph P. Tracy 1918-7-3 4992 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  HSC82168  Kalmia polifolia D. K. Imper 1985-6-13 Humboldt Edge of Waterdog Lake 1768 Comment
  CAS-BOT-BC235876  Keckiella corymbosa L. B. Kildale 1930-8-3 10357 Humboldt Chaparral Mountain at Bug Creek 914 Comment
  CAS-BOT-BC235886  Keckiella corymbosa Doris K. Kildale 1927-8-7 3862 Humboldt Kneeland Prairie 762 Comment
  HSC50858  Keckiella corymbosa Walter Overton, Marvin Butler 1979-7-25 9882 Humboldt Near Sims Mtn., close to the town of Willow Creek 1296 Comment
  HSC59856  Keckiella corymbosa M. A. Baker 1979-7-7 1018 Humboldt 9.5 km E of Berry Summit along Hwy. 299, N bank of Willow Creek Comment
  RSA44300  Keckiella corymbosa H. M. Pollard 1946-8-10 s.n. Humboldt Klamath River flood plain near Wilson Creek. Comment
  UC577409  Keckiella corymbosa Joseph P. Tracy 1933-9-9 13074 Humboldt vicinity Garberville (rocks along South Fork of Eel River); South Fork of Eel River 121 Comment
  UC1196075  Kelloggia galioides Joseph P. Tracy 1932-7-13 10511 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  HSC32341  Koeleria macrantha D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5640 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  SEINET200339 Image available Koeleria macrantha J. P. Tracy 1908-7-5 2778 Humboldt NW slope of Buck Mt 914 Comment
  UCD86088  Koeleria macrantha Joseph P. Tracy 1936-8-2 15072 Humboldt Humboldt County. 1066 Comment
  HSC58117  Kyhosia bolanderi G. L. Clifton, Griswold 1979-8-1 12079 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC1199393  Kyhosia bolanderi Joseph P. Tracy 1932-7-16 10613 Humboldt Corral Prairie; Trinity summit 1584 Comment
  UC302178  Lactuca biennis Joseph P. Tracy 1926-7-18 7746 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley, Kirkham Creek 182 Comment
  HSC98659  Lactuca biennis Cara Witte 2007-7-26 591 Humboldt National Forest 1 on Kinsey Ridge. 1/4 mile south of intersection with 4N06. Near power poles. 1283 Comment
  HSC5894  Lactuca saligna R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on May Ranch 701 Comment
  UC1199153  Lagophylla ramosissima Joseph P. Tracy 1930-10-12 9217 Humboldt Alton to Fortuna; Eel River 15 Comment
  UC668198  Lagophylla ramosissima Joseph P. Tracy 1938-7-4 15993 Humboldt Valley of South Yager Creek 762 Comment
  UC1199155  Lagophylla ramosissima Joseph P. Tracy 1924-8-10 6808 Humboldt Blue Slide on Van Duzen; Northern Coast Ranges 91 Comment
  CAS-BOT-BC337990  Lasthenia californica Carl B. Wolf 1937-6-14 8812 Humboldt North Coast Range, Kneeland Prairie 822 Comment
  JEPS10178  Lasthenia californica subsp. californica W. L. Jepson 1902-6-10 1885 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC1199133  Lasthenia californica subsp. californica Joseph P. Tracy 1925-5-17 6987 Humboldt at Berry's, Redwood Creek Northern Coast Ranges, Redwood creek 274 Comment
  UC1199134  Lasthenia californica subsp. californica Joseph P. Tracy 1925-5-30 7050 Humboldt McClellan Mountain Northern Coast Ranges, McClellan Mountain 822 Comment
  HSC26362  Lasthenia maritima T. O. Osborne 1970-4-5 88 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC87151  Lathyrus biflorus Thomas W. Nelson, James Nelson 1980-6-10 5432 Humboldt NE slope of Red Mtn. 1372 Comment
  POM128967  Lathyrus jepsonii subsp. californicus M. H Manning 1900-1 s.n. Humboldt Hupa Valley Comment
  UC1222416  Lathyrus jepsonii var. californicus Joseph P. Tracy 1942-7-1 17361 Humboldt opposite Buck Mountain; Van Duzen River 762 Comment
  CAS-BOT-BC94773  Lathyrus latifolius R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 833 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air miles N of Mattole Road, about 3 air miles W of Highway 101 243 Comment
  HSC14747  Lathyrus littoralis R. E. Hafenfeld 1965-5-9 45 Humboldt 1/4 mi. N of Squashan Cr. near Gold Bluff Beach Rd. Comment
  HSC33765  Lathyrus littoralis Paul Dryden 1975-5-24 207 Humboldt Samoa Dunes, across from the boat landing. Comment
  POM214877  Lathyrus littoralis Joseph P. Tracy 1929-7-4 8641 Humboldt Sand dunes near Samoa, on Humboldt Bay. Comment
  RSA168910  Lathyrus nevadensis subsp. nevadensis Joseph P. Tracy 1942-6-23 17226 Humboldt Trinity Summit Ridge top one mile west of Mud Springs. Comment
  HSC14751  Lathyrus nevadensis var. nevadensis D. E. Anderson 1962-5-1 2203 Humboldt 1 mi. W of Hoopa Comment
  JEPS79916  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1922-5-29 6062 Humboldt Northern Coast Ranges, South Yager Creek Valley South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  UC1222414  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1946-5-19 17534 Humboldt Kneeland Prairie 762 Comment
  BLMAR671  Lathyrus nevadensis var. nevadensis Jennifer Wheeler 2013-6-3 671 Humboldt Lacks Creek, West side near broom at end of road 701 Comment
  CAS-BOT-BC205040  Lathyrus palustris Milo S. Baker 1931-7-17 5407 Humboldt South side of Big Lagoon near cottages Comment
  JEPS79917  Lathyrus polymorphus Joseph P. Tracy 1932-7-20 10735 Humboldt just w of Corral Prairie (Klamath Mountains, Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  HSC64183  Lathyrus polyphyllus J. O. Sawyer, M. A. Erickson 1979-6-23 3392 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC73128  Lathyrus polyphyllus M. A. Baker 1980-5-18 1283 Humboldt Near Black Mtn. 1006 Comment
  SBBG3361  Lathyrus polyphyllus H. and M. Dearing 1939-5-26 3446 Humboldt near Trinidad Comment
  UC1199064  Lathyrus torreyi Joseph P. Tracy 1898-7-13 74 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC1199066  Lathyrus torreyi Joseph P. Tracy 1922-6-5 6084 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  JEPS55300  Lathyrus torreyi Lincoln Constance 1934-5-24 633 Humboldt e side Look Prairie (bordering lower Look Prairie); South Fork Eel River, Bull Creek Region 121 Comment
  RSA138214  Lathyrus torreyi Volney Rattan 1903-1 1878 Humboldt [No location data on label] Comment
  UC1199067  Lathyrus vestitus Joseph P. Tracy 1937-6-20 15359 Humboldt s of Ferndale; Wild Cat Ridge 304 Comment
  UC931763  Lathyrus vestitus C. L. Hitchcock 1949-6-7 19081 Humboldt ca 15 mi n Garberville (Redwood Highway) Comment
  HSC104093  Layia carnosa Kyle Brown Apr 2015 33 Humboldt Ma-le'l Dunes; ~.25 mi. NW of parking lot 3 Comment
  UC1199159  Layia carnosa Joseph P. Tracy 1937-6-5 15327 Humboldt mouth of Little River 6 Comment
  UC275300  Ledum glandulosum R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC672865  Lemna turionifera Joseph P. Tracy 1932-8-21 10370 Humboldt on w slope of Chaparral Mountain, on e side of Mad River, Three Cabins Ranch Mad River; Chaparral Mountain, , Three Cabins Ranch 457 Comment
  SEINET3245528  Leontodon saxatilis R. Spellenberg, N. Zucker 2011-1 14301 Humboldt Miranda, on the W side of highway in center of town. 110 Comment
  UCSB30609  Leontodon saxatilis Edwards, David 1974-8-12 Humboldt North side of 7th St., just W. of its overpass of U.S. 101, Arcata 18 Comment
  JEPS36507  Leontodon saxatilis subsp. saxatilis W. L. Jepson 1936-8-17 17926 Humboldt 2 1/2 mi s Fields Landing Comment
  RSA246931  Lepidium didymum R. F. Thorne, Percy C. Everett 1965-8-8 35243 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  JEPS53711  Lepidium nitidum Joseph P. Tracy 1918-5-5 4927 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC1116218  Lepidium strictum Joseph P. Tracy 1946-5-30 17540 Humboldt vicinity Carlotta 30 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
  CHSC42328  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg. Comment
  SEINET7967470 Image available Leptosiphon bicolor Gail Newton 1980-6-28 746 Humboldt Near Mad River Butte 369 Comment
  CAS-BOT-BC226713  Leptosiphon latisectus Alice Eastwood; John Thomas Howell 1937-6-23 4764 Humboldt Dinsmore's [Dinsmore] Comment
  UCD118969  Leptosiphon nuttallii P. B. Kennedy 1923-8-3 s.n. Humboldt 7 miles from Bluff Creek. Klamath River to Eureka. Comment
  UC1199333  Lessingia nemaclada Joseph P. Tracy 1939-8-5 16374 Humboldt gravel bar of river opposite Buck Mt.; Van Duzen River, Dinsmore's 737 Comment
  HSC39167  Leucanthemum vulgare D. E. Anderson, J. P. Smith 1971-6-28 - 1236 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UC1199276  Leucanthemum vulgare Joseph P. Tracy 1930-8-24 9167 Humboldt Kneeland Prairie 609 Comment
  CAS-BOT-BC283511  Leymus X vancouverensis Joseph P. Tracy 1927-6-26 8214 Humboldt Stone Lagoon 6 Comment
  CAS-BOT-BC283514  Leymus X vancouverensis Malcom A. Nobs; S. Galen Smith 1949-8-3 1204 Humboldt Salt marshes bordering Humboldt Bay, ca 2 miles N of Eureka Comment
  CAS-BOT-BC283515  Leymus X vancouverensis Malcom A. Nobs; S. Galen Smith 1949-8-3 1204 Humboldt Salt marshes bordering Humboldt Bay, ca 2 miles N of Eureka Comment
  HSC55665  Ligusticum californicum Overton, Butler 1979-7-25 9840 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC74226  Ligusticum californicum M. A. Baker 1980-7-19 3021 Humboldt Near Bret Hole. 1814 Comment
  HSC74325  Ligusticum californicum M. A. Baker 1980-6-16 1957 Humboldt Near Onion Mtn. 1280 Comment
  UC154089  Lilaeopsis occidentalis Joseph P. Tracy 1909-9-19 3102 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 0 Comment
  UC176689  Lilium columbianum Joseph P. Tracy 1913-7-13 4356 B Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  CAS-BOT-BC130647  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  CHSC98393  Lilium kelloggii Dean Wm. Taylor 2004-6-23 19116 Humboldt Fickle Hill Road 1.3 miles north of junction Butler Valley road. 731 Comment
  HSC35594  Lilium kelloggii Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2005 Humboldt French Camp, Bald Hills. Comment
  UC1198242  Lilium occidentale Joseph P. Tracy 1913-8-31 4387 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC175925  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  SEINET3992214  Lilium pardalinum Unknown 1937-7-24 15533 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1372 Comment
  HSC56955  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-23 9465 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC58247  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-8-2 12426 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC79327  Lilium pardalinum subsp. pardalinum D. K. Imper 1982-7-15 Humboldt 1/3 mi. E of Grizzly Creek State Park on Hwy. 36, bank of Van Duzen River 1220 Comment
  HSC79265  Lilium rubescens D. K. Imper 1983-7-12 Humboldt Along USFS Rd. 10N14, 2 mi. N of jct. with 13N01, N of Blue Lake. Also noted 1 mi. N on 13N01, .2 mi. N of jct. with 10N14 762 Comment
  SBBG1042  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt Van Duzen River near Dinsmore Comment
  CHSC19733  Limnanthes douglasii D. E. Anderson 1965-5-8 3634 Humboldt About 4 miles east of Berry Summit, along Hw. 299. Roadside ditch. Comment
  UC971842  Limnanthes douglasii subsp. nivea Charles T. Mason Jr. 1949-4-30 1282 Humboldt e side of road to Fortuna 4.9 mi from Bridgeville Comment
  BLMAR427  Limonium californicum Clara Sander 2004-9-27 427 Humboldt South Spit, east side of road 4 Comment
  HSC90756  Limonium californicum Gail Newton 1983-8-21 3853 Humboldt Elk River Wildlife Area, Eureka. Comment
  UC1198572  Linanthus bicolor Joseph P. Tracy 1906-5-6 2437 Humboldt near Hydesville; Wolverton Gulch 60 Comment
  CHSC1747  Linaria vulgaris A. Small 1954-6-4 Humboldt Near Eureka. Comment
  RSA8323  Linaria vulgaris I. L. Wiggins 1932-7-19 5890 Humboldt Roadside near Trinidad Head, Comment
  HSC34281  Linnaea borealis subsp. longiflora K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  SJSU918  Linnaea borealis var. longiflora J. W. Tilden 1946-6-2 999 Humboldt Bluff Cr c. 1.5 mi above its junction with Klamath R Comment
  HSC15802  Linum bienne F. B. Plett 1963-4-9 15 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC95072  Linum bienne Andrea Pickart 2002-7-2 146 Humboldt King Salmon Sand Spit 0 Comment
  RSA0049664  Listera cordata Dean Wm. Taylor 2011-5-4 21113 Humboldt Alderpoint Road in the vicinity of headwaters of Knack Creek 777 Comment
  HSC95191  Listera cordata var. nephrophylla Gordon Leppig, Tony LaBanca 2003-5-22 1943 Humboldt Humboldt Redwoods State Park, Fleismann's Grove 76 Comment
  UCD66107  Lolium multiflorum C. L. Hitchcock; C. V. Muhlick 1963-7-14 22906 Humboldt Along Eel River at Fern bridge. Comment
  HSC40251  Lolium perenne Linda M. Barker 1976-7-5 1646 Humboldt 3 mi. W of Arcata. Comment
  RSA728076  Lolium perenne Gary D. Wallace 1979-6-24 1860 Humboldt Near Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  UC50694  Lolium temulentum Joseph Burtt Davy 1899-6-20 5690 Humboldt Hupa Valley Comment
  HSC32283  Lomatium ciliolatum var. ciliolatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5619 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC56225  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-8-2 12261 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC67194  Lomatium macrocarpum Thomas W. Nelson, James Nelson 1980-6-10 5419 Humboldt Along road to Red Mtn., 0.5 mi. W of junction with Swayback Ridge Rd. 1372 Comment
  UC314598  Lomatium nudicaule Joseph P. Tracy 1925-7-26 7208 Humboldt at mouth of S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  HSC44439  Lomatium tracyi Barbara Kelly 1978-5-1 589 Humboldt 1/4 mi. from Horse Mtn., road 1/2 mi. below turnoff to summit, near end of unused gravel road Comment
  UC1463744  Lomatium tracyi Barbara Kelly 1978-5-1 592 Humboldt intersection with road sign saying Grouse Mt. L.O. 2 mi., Horse Mt. 15 mi. Comment
  UC647479  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mt. 1219 Comment
  HSC38481  Lomatium utriculatum D. E. Anderson, J. P. Smith 1971-6-18 1060 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  JEPS12868  Lonicera ciliosa Joseph P. Tracy 1921-6-19 5836 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks); Northern Coast Ranges, Brannan Mountain 944 Comment
  UC1125245  Lonicera hispidula var. vacillans H. L. Person 1932-7-23 N.w.S 16 Humboldt road e Korbel; Eureka Quadrangle Comment
  HSC59496  Lonicera involucrata var. ledebourii M. A. Ericksen 1979-4-20 211 Humboldt 0.3 mi. S of Cranell Rd. and Little River Dr. Comment
  UC1223442  Lotus aboriginus Joseph P. Tracy 1937-8-15 15668 Humboldt 10 mi se Orick (near Sherman Lyon's Ranch) Comment
  UC162804  Lotus humistratus Joseph P. Tracy 1906-7-4 2531 Humboldt near Hydesville; Northern Coast Region, Yager Creek 60 Comment
  POM19457  Lotus micranthus Joseph P. Tracy 1917-5-30 4795 Humboldt Ocean Beach at mouth of Little River Comment
  UC495717  Lotus oblongifolius var. oblongifolius Joseph P. Tracy Jul 16 1930-Jul 19 1930 8997 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  SEINET12154237  Lotus pinnatus J. P. Tracy 1942-1 17134 Humboldt Englewood Prairie Comment
  UC1129022  Lotus purshianus var. purshianus H. L. Person 1932-7-18 Humboldt Freshwater Eureka Quad. Comment
  SEINET3560048 Image available Lotus stipularis var. subglaber Joseph P. Tracy 1927-8-22 8354 Humboldt Bald Mt. 914 Comment
  UC495723  Lotus wrangelianus Joseph P. Tracy 1932-5-1 9886 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UC1223411  Lotus yollabolliensis Joseph P. Tracy 1941-8-28 17048 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  HSC57120  Luina hypoleuca Overton, Butler 1979-7-25 9865 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  POM51553  Luina hypoleuca Joseph P. Tracy 1917-9-2 4839 Humboldt Grouse Mountain. 1524 Comment
  UC1239506  Luina hypoleuca Stuart Harris 1936-6-12 3357 Humboldt Chalk Mountain 609 Comment
  RSA751818  Lupinus Robert F. Thorne 1957-9-3 19015 Humboldt Little River Beach, few miles S of Trinidad. Comment
  SEINET5736964 Image available Lupinus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6113 Humboldt Collected in a waste area along Giuntoli Lane in Arcata. Adjacent to Eureka Sand and Gravel company and across the road from T.P. Tire Service (1265 Giuntoli Lane).; Arcata Comment
  UC503012  Lupinus adsurgens Joseph P. Tracy Jul 16 1930-Jul 19 1930 9059 Humboldt near Blake lookout, South Fork Mountain along summit; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC48706  Lupinus albicaulis var. shastensis Hilda W. Grinnell 1932-7-22 39 Humboldt on slope below U.S.G.S. signal rock, South Fork Mountain (ne slope of South Fork Mountain); ne slope of South Fork Mt. 1767 Comment
  SEINET12170729  Lupinus albifrons E. A. York 1990-1-10 2659 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC98761  Lupinus albifrons var. collinus Cara Witte 2008-7-2 819 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  RSA407034  Lupinus arboreus var. arboreus M. B. Dunkle 1936-8-18 4809 Humboldt Fortuna. Comment
  RSA407035  Lupinus arboreus var. arboreus M. B. Dunkle 1936-8-18 4820 Humboldt Moonstone Beach. Comment
  HSC14801  Lupinus bicolor R. T. Forester 1963-5-6 44 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  SEINET12165812  Lupinus formosus J. T. Vale 1988-1 s.n. Humboldt nr Honeydew Comment
  HSC31819  Lupinus latifolius Donald Spalinger 1974-4-25 24 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  CHSC921  Lupinus littoralis M. Underhill 1952-7-13 Humboldt Near coast. 0 Comment
  SDSU4988  Lupinus littoralis D. F. Howe 1962-5-22 3259 Humboldt 0.5 miles north of Orick on #101. 30 Comment
  HSC100521  Lupinus luteolus Carl C. Marshall Jul 1887 401 Humboldt Spruce Grove. Comment
  RSA32650  Lupinus luteolus Doris K. Kildale 1926-7-11 2347 Humboldt Bear River at Capetown. Comment
  HSC41636  Lupinus lyallii var. villosus Thomas W. Nelson, Jane P. Nelson 1977-6-19 3511 Humboldt Along rd. to Pine Mtn. SW of Alder Springs 1494 Comment
  HSC63182  Lupinus onustus M. A. Baker 1979-7-10 1024 Humboldt Above Bluff Creek Comment
  HSC58042  Lupinus tracyi Gilbert Muth 1979-8-1 11890 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC14892  Lupinus variicolor R. T. Forester 1963-4-20 7 Humboldt 1 mi. N of Fairhaven on Samoa Rd. Comment
  HSC74172  Luzula comosa M. A. Baker 1980-7-23 3155 Humboldt Near Orleans Mtn. 1859 Comment
  HSC82212  Luzula comosa Thomas W. Nelson 1977-6-15 3439 Humboldt Along old road to ski area 1372 Comment
  UCD142118  Luzula comosa Joseph P. Tracy 1930-7-17 8972 Humboldt South Fork Mountain; opening in fir forest nera McKay Camp. 1676 Comment
  UC183777  Luzula macrantha Joseph P. Tracy 1901-5-12 1087 Humboldt At Eureka; Northern Coast Region 0 Comment
  HSC64191  Luzula parviflora J. O. Sawyer, M. A. Ericksen 1979-6-23 3377 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  JEPS26544  Lycopodium clavatum Don Branscomb July, 1959 Humboldt Trinidad Comment
  JEPS60165  Lycopodium clavatum Hilda W. Grinnell 1932-7-23 46 Humboldt on ever-shaded oozy slope below McKay Camp; South Fork Mountain Comment
  HSC62983  Lysichiton americanus David Wheeler 1979-4-20 Humboldt Clam Beach Ponds, N pond, 0.25 mi. S of Crannel Rd. between the frontage road and Hwy. 101 Comment
  HSC35500  Lysichiton americanus Petrovich May 1961 Humboldt Warren Cr. Comment
  HSC98983  Madia gracilis Cara Witte 2007-7-3 403 Humboldt National Forest 1 on Kinsey Ridge. 1 1/2 miles north of intersection with 4N09. 1396 Comment
  UC1199395  Madia gracilis Joseph P. Tracy 1919-7-20 5182 Humboldt Mount Pierce Northern Coast Ranges 914 Comment
  CAS-BOT-BC343590  Madia sativa J. Clausen 1932-9-18 678 Humboldt 11 miles south of Ferndale on the road to Capetown Comment
  RSA1369  Mahonia nervosa E. R. Johnson 1929-08 618 Humboldt 7 miles east of Arcata on the road to Willow Creek. 76 Comment
  UCD13245  Maianthemum dilatatum Peter Stekel 1974-6-1 143 Humboldt Patricks Point State Park, Agate Beach by U.S. hwy 101. Elev. 10 ft. 3 Comment
  RSA1087  Maianthemum racemosum subsp. amplexicaule E. R. Johnson 1928-8-26 1147 Humboldt Arcata. Comment
  SEINET12047102  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1972-1 72 -013 Humboldt Humboldt Redwoods State Park, Bull Creek Flats area 213 Comment
  UC1198759  Malus fusca J. P. Tracy 1901-5-12 1090 Humboldt immediate vicinity Eureka 0 Comment
  RSA178549  Malus sylvestris Joseph P. Tracy 1950-4-23 18636 Humboldt Trinity River Valley, at Willow Creek. Comment
  UC18729  Malva nicaeensis C. C. Marshall 1888-1 Humboldt in Humboldt County Humboldt County Comment
  BLMAR684  Marah fabacea Jennifer Wheeler 2013-6-25 684 Humboldt King range, Strawberry Rock 76 Comment
  SEINET4929765  Marah fabacea Unknown 2002-8-22 90 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  JEPS42490  Marah oregana W. L. Jepson and W. W. Mott 1903-6-23 2207 Humboldt White Thorn; s. Humboldt Co. Comment
  RSA424587  Marah oregana T. S. Elias, Barbara A. Elias 1987-8-24 10620 Humboldt Prairie Creek Redwoods State Park; Gold Bluffs Beach. Comment
  UC168954  Marah oregana Joseph P. Tracy 1909-5-30 2980 Humboldt Eureka Northern Coast Region 0 Comment
  POM174059  Matricaria occidentalis Joseph P. Tracy 1918-6-16 4955 Humboldt Northern Coast Ranges: Eureka; old logging camp 0 Comment
  HSC48059  Medicago arabica Thomas W. Nelson 1978-4-24 3889 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC14978  Medicago polymorpha A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek jct., 50 yards W of Lindsey Creek. Comment
  UC1197433  Medicago polymorpha Joseph P. Tracy 1911-5-30 3208 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay 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
  UC552693  Melica aristata Joseph P. Tracy 1935-7-25 14236 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  UC526920  Melica geyeri Joseph P. Tracy 1926-6-20 7650 Humboldt Horse Mountain; Northern Coast Ranges 1524 Comment
  UC552699  Melica harfordii Joseph P. Tracy 1935-7-14 14079 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  UCD87540  Melica harfordii Peter H. Raven; R. Snow 1958-7-20 13626 Humboldt 5.3 miles southwest of Denny Post Office. Comment
Read comments Apr 8 2014
  UCD88616  Melica subulata August L. Hormay 1932-5-11 s.n. Humboldt Korbel. Comment
  HSC104095  Melilotus albus Monica Rodriguez, William A. Worley 2015-3-21 23 Humboldt Along South Fork Rd, 8.6 mi. from 199 Redwood Hwy. Comment
  UC577386  Melissa officinalis Joseph P. Tracy 1927-11-24 8395 Humboldt farmyard Carlotta 60 Comment
  UC195432  Mentha aquatica Joseph P. Tracy 1915-9-5 4665 Humboldt Eureka; Northern Coast Ranges 0 Comment
  SEINET3228190 Image available Mentha pulegium Joseph P. Tracy 1930-9-1 9175 Humboldt Miranda, along South Fork of Eel River 120 Comment
  HSC77388  Menziesia ferruginea subsp. ferruginea L. P. Janeway 1983-4-20 237 Humboldt Along Community Forest main access rd., E of HSU campus 168 Comment
  HSC73173  Micropus californicus var. californicus M. A. Baker 1980-5-18 1337 Humboldt Near Black Mtn. 792 Comment
  UC1199339  Micropus californicus var. californicus Joseph P. Tracy 1932-5-1 9868 Humboldt vicinity Garberville 121 Comment
Read comments Sep 13 2009
  UC1199336  Micropus californicus var. californicus Joseph P. Tracy 1927-6-5 8105 Humboldt Valley of South Yager Creek 762 Comment
  HSC102916  Microseris M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1087 Humboldt Patterson Meadows 1555 Comment
  POM247189  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain, near McKay Camp 1677 Comment
  CHSC57440  Microsteris gracilis L. P. Janeway 1984-6-23 899 Humboldt Titlow Hill. 1478 Comment
  UC175596  Mimulus arvensis Joseph P. Tracy 1912-6-9 3688 Humboldt Alton Northern Coast Region 30 Comment
  HSC20682  Mimulus aurantiacus var. aurantiacus H. E. Parks, S. T. Parks Jun 1951 Humboldt Trinidad; along bay shore near landing Comment
  POM228349  Mimulus aurantiacus var. aurantiacus C. C. Harris, S. K. Harris 1936-6-9 s.n. Humboldt Carlotta. 61 Comment
  HSC48858  Mimulus breweri Brad Klipfel 1973-6-10 53 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC147904  Mimulus breweri Joseph P. Tracy 1908-6 2699 Humboldt opposite Buck Mountain; Northern Coast Ranges, Van Duzen River Valley 762 Comment
  UC418983  Mimulus dentatus H. E. Parks May 1930 Humboldt above Carlotta; Van Duzen River Comment
  JEPS10795  Mimulus inodorus Joseph P. Tracy 1932-7-16 10610 Humboldt Corral Prairie Trinity Summit 1584 Comment
  JEPS10799  Mimulus inodorus Joseph P. Tracy 1935-7-23 14165 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  UC582712  Mimulus inodorus Joseph P. Tracy 1935-7-24 14198 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  UC1196768  Mimulus inodorus Joseph P. Tracy 1939-8-5 16376 Humboldt Dinsmore's Van Duzen River 731 Comment
  CDA41715  Mimulus kelloggii K. Esau 1935-4-23 s.n. Humboldt Ft. Seward. 0 Comment
  HSC76046  Mimulus moschatus Overton, Butler 1979-8-2 12559 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC100674  Mimulus nasutus Carl C. Marshall 434 Humboldt Mtns. of Humboldt, open ridges near water. Comment
  JEPS11056  Mimulus primuloides Joseph P. Tracy 1935-7-26 14258 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  JEPS11057  Mimulus primuloides subsp. primuloides Joseph P. Tracy 1932-7-14 10534 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC102508  Mimulus primuloides var. primuloides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1493 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC73758  Minuartia douglasii Gail Newton 1980-7-11 1335 Humboldt Near Red Mtn. 1341 Comment
  POM208986  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Lookout Point, Look Prairie; Bull Creek watershed; Humboldt Redwood Park. 381 Comment
  UC176959  Minuartia nuttallii subsp. gregaria Joseph P. Tracy 1912-7-31 3926 Humboldt Buck Mountain Northern Coast Ranges (near the summit) 1676 Comment
  HSC95189  Mitella caulescens Gordon Leppig, T. LaBanca 2003-5-12 1901 Humboldt Pacific Lumber Company land, S of Pepperwood, THP 1-03-050 HUM. 60 Comment
  UC1198862  Mitella ovalis Joseph P. Tracy 1918-6-16 4956 Humboldt Eureka Northern Coast Region 0 Comment
  UC154085  Mitella ovalis Joseph P. Tracy 1901-4-26 1049 Humboldt Humboldt Hill Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC1051581  Mitella trifida Joseph P. Tracy 1935-7-23 14151 Humboldt McKay Prairie Trinity Summit 1584 Comment
  SD56850  Mitellastra caulescens Darley F. Howe 1963-8-7 3806 Humboldt 23 mi west of west end to 6 Rivers north fork on #299 213 Comment
  HSC16011  Modiola caroliniana J. P. Tracy 1940-10-18 16777 Humboldt Trinidad 3 Comment
  UC18806  Modiola caroliniana Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6176 Humboldt near Ferndale; North-Western California Comment
  RSA20804  Monardella odoratissima Carl B. Wolf 1937-8-13 9269 Humboldt North Coast Range, 12 miles E of Hoopa Valley on new road towards Trinity Summit. 1677 Comment
  HSC58020  Monardella odoratissima subsp. pallida G. L. Clifton 1979-7-31 11822 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC101619  Monardella odoratissima subsp. pallida Cara Witte 2007-6-28 390 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  UC1222870  Monardella purpurea Joseph P. Tracy 1950-7-27 18920 Humboldt at intersection of Haynes Flat Road Coon Mountain 944 Comment
  CAS-BOT-BC220258  Monardella sheltonii L. R. Abrams 1918-6-16 7183 Humboldt Willow Creek Comment
  CAS-BOT-BC220260  Monardella sheltonii Henry M. Pollard 1946-8-22 s.n. Humboldt Highway above Ullathorne Riffle, Orleans region Comment
  HSC26743  Moneses uniflora K. Irwin 1973-6-19 Humboldt S of road to Fern Canyon Comment
  UC161032  Montia diffusa Joseph P. Tracy 1908-6 2725 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA87679  Montia parvifolia L. R. Abrams, Rimo Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon S of Quick Comment
  HSC17672  Montia parvifolia C. E. Fellows 1957-4-27 128 Humboldt 1 mi. W of Honeydew Comment
  HSC10393  Muhlenbergia filiformis J. P. Tracy 1930-7-16 8920 Humboldt Near McKay Camp. 1677 Comment
  UCD86802  Muhlenbergia mexicana Joseph P. Tracy 1916-9-5 4774 Humboldt South Fork of Eel River, 4 miles above the mouth. 60 Comment
  CHSC33038  Myosotis latifolia James P. Smith 1973-5-26 6855 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Railroad right-of-way. Comment
  SDSU19202  Myosotis latifolia Michael G. Simpson, Michael Mayer 2008-5-28 3016 Humboldt Upland above College Cove, Trinidad State Beach, along path to beach, down from south parking lot. 61 Comment
  UCR275121  Myosotis laxa Charity A. Hartshorn 2016-5-14 27 Humboldt Arcata Community Forest 244 Comment
  HSC34644  Myosotis sylvatica John Palmer 1975-4-9 295 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  POM232029  Myrica californica I. L. Wiggins 1930-7-11 4682 Humboldt Near Samoa Comment
  POM280267  Myrica californica Lyman Benson 1930-7-18 2191 Humboldt Shively, seaward north coast Mt. range, Eel River. 46 Comment
  RSA174003  Myrica californica Robert F. Thorne 1957-9-3 19020 Humboldt Patrick s Point State Park. Comment
  SEINET6671234 Image available Myrica californica C. L. Hitchcock, J. S. Martin 1939-1 5437 a Humboldt Shelter Cove Comment
  HSC77878  Myriophyllum hippuroides Scott White 1973-10-29 Humboldt Clam Beach pond Comment
  HSC91593  Narcissus tazetta E. Mackey 1986-7-21 Humboldt Patrick's Point State Park near Ceremonial Rock. Comment
  HSC102140  Navarretia capillaris M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1044 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 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
  UC1198607  Navarretia intertexta Joseph P. Tracy 1934-7-9 13345 Humboldt Dobbyn Creek 152 Comment
  UC582694  Navarretia intertexta Joseph P. Tracy 1937-6-26 15363 Humboldt Willow Creek Trinity River Valley 152 Comment
  POM208984  Navarretia intertexta Lincoln Constance 1934-5-27 697 Humboldt Sandbar of south fork of Eel River at Dyerville bridge 43 Comment
  UC1198606  Navarretia intertexta Joseph P. Tracy 1936-6-10 14934 Humboldt w of mouth South Fork of Trinity River; South Fork of Trinity River 304 Comment
  UC907952  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1930-7-10 8864 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC1198528  Navarretia squarrosa Joseph P. Tracy 1927-7-24 8293 Humboldt Upper Mattole 152 Comment
  JEPS70478  Navarretia tagetina W. L. Jepson 1932-7-24 16386 Humboldt above Eel Rock; Mail Ridge 762 Comment
  HSC99204  Nemophila heterophylla D. E. Anderson 1965-5-8 3650 Humboldt About 3 mi. N of Willow Creek along Rd. on E side of Trinity River Comment
  UC24190  Nemophila heterophylla Mary H. Manning Humboldt Hupa Comment
  HSC36876  Nemophila menziesii J. P. Smith, J. O. Sawyer, J. Cole 1976-4-18 8612 Humboldt Bald Hills Rd., 17 mi. from its jct. with Hwy. 101 854 Comment
  UC1103814  Nemophila menziesii Joseph P. Tracy 1923-6-24 6358 Humboldt Murphy Ridge Bald Mt., Murphy Ridge (Balt Mt.) 1066 Comment
  HSC97503  Nemophila menziesii var. atomaria C. Witte 2007-5-8 1 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC562584  Nemophila menziesii var. atomaria Joseph P. Tracy 1932-5-1 9858 Humboldt Redway 182 Comment
  CAS-BOT-BC219406  Nemophila parviflora Alice Eastwood; John Thomas Howell 1937-6-23 4817 Humboldt 5 miles east of Bridgeville Comment
  UC144103  Nemophila parviflora Joseph P. Tracy 1909-6-20 3001 Humboldt 3 mi above Wrangletown (Freshwater Creek, Region about Humboldt Bay); Northern Coast Region, Humboldt Bay region, Freshwater Creek 0 Comment
  UC1103813  Nemophila pedunculata Joseph P. Tracy 1923-4-15 6181 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  UC1103816  Nemophila pedunculata Joseph P. Tracy 1928-3-18 8404 Humboldt Van Duzen River at Grizzly Peak; Van Duzen River at Grizzly Peak 91 Comment
  UC585996  Nicotiana quadrivalvis Joseph P. Tracy 1930-10-19 9223 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  HSC47951  Noccaea fendleri subsp. glauca Brad Klipfel 1974-5-27 387 Humboldt Horse Mtn. Comment
  UCD110212  Notholithocarpus densiflorus Joseph P. Tracy 1948-9-20 18224 Humboldt Willow Creek Canyon, along Trinity Highway. 457 Comment
  HSC31494  Notholithocarpus densiflorus var. densiflorus Steve Selva, Roger Jensen 1974-8-27 83 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  OBI14330  Notholithocarpus densiflorus var. densiflorus H. E. McMinn 1931-6-27 2542 Humboldt Summit above Weitepp; T & K river Comment
  HSC69696  Nuphar polysepala R. Kalal 1980-6-1 10 Humboldt Essex Pond 15 Comment
  HSC59715  Nuttallanthus texanus Clark L. Miller 1979-5-9 1110 Humboldt Samoa Dunes off Samoa Blvd. Comment
  JEPS122  Nuttallanthus texanus Lincoln Constance 1934-6-22 921 Humboldt South Fork Eel River, Summit Grasshopper Peak, down Canoe Creek, road to Redwood Hwy, thence n to Dyerville Canoe Creek; Bull Creek Region, South Fork Eel River, Grasshopper Peak, C Comment
  CAS-BOT-BC142253  Oemleria cerasiformis Alice Eastwood 1943-6-11 19876 Humboldt State Azalea Grove Comment
  HSC77345  Oemleria cerasiformis L. P. Janeway 1983-4-16 230 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  RSA178545  Oemleria cerasiformis Joseph P. Tracy 1950-4-20 18618 Humboldt Buck Mountain, lower foothills of its northwest slope. 2 miles west of Dinsmore's. 762 Comment
  UC1198788  Oemleria cerasiformis Joseph P. Tracy 1933-5-20 12218 Humboldt Capetown; on Bear River 30 Comment
  UC565992  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; China Flat Quad. 182 Comment
  HSC16524  Oenothera glazioviana David K. Smith 1968-11-20 67 Humboldt At jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  UC1197454  Orobanche fasciculata Joseph P. Tracy 1908-6-7 2610 Humboldt Northern Coast Ranges. Butter Valley on Mad River. Comment
  UC1197457  Orobanche fasciculata Joseph P. Tracy 1921-5-30 5492 Humboldt Northern Coast Ranges. Kneeland Prairie. Comment
  UC1245403  Orobanche fasciculata Joseph T. Gregory 1935-7-30 860 Humboldt Salmon Summit. Comment
  BLMAR257  Orobanche pinorum Jennifer Anthony-Wheeler 1997-7-10 257 Humboldt King range, UNCOMMON, parasitized ocean spray, growing on rocky, open forest slope 304 Comment
  HSC96246  Orobanche uniflora Kaylea Eickhoff, Cara M. Witte 2005-6-10 10 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  HSC55013  Orthilia secunda G. L. Clifton 1979-7-31 11395 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1197580  Orthilia secunda Joseph P. Tracy 1934-8-29 13626 Humboldt South Fork Mountain near McKay Camp 1676 Comment
  UC32669  Orthilia secunda Chestnut and Drew 1888-7-21 Humboldt South Fork Mts. Comment
  HSC100676  Orthocarpus faucibarbatus Carl C. Marshall Apr 1886 170 Humboldt Fields near bay. Comment
  POM225846  Orthocarpus lithospermoides M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  HSC100677  Orthocarpus lithospermoides Carl C. Marshall Jun 1887 406 Humboldt Spruce Grove. Comment
  UC642277  Osmorhiza occidentalis Joseph P. Tracy 1933-7-26 12906 Humboldt Grouse Mountain 1630 Comment
  HSC32844  Osmorhiza purpurea Thomas W. Nelson, Jane P. Nelson 1973-5-28 945 Humboldt McKeown Ranch N of Dinsmore Comment
  UC902196  Oxalis albicans subsp. pilosa Joseph P. Tracy 1942-5-16 17336 Humboldt Garberville 152 Comment
  HSC16722  Oxalis articulata subsp. rubra N. D. Dennis 1965-4-4 6 Humboldt Corner of F and 9th street, in Eureka Comment
  HSC12755  Oxalis corniculata M. J. Athey 1970-11-22 23 Humboldt In Arcata along G street in front of P G & E Comment
  CHSC70834  Oxalis incarnata Vernon Oswald 1998-4-16 8918 Humboldt Samoa Dunes Recreation Area at the south tip of the North Spit of Humboldt Bay. Along the road leading into the recreation area. 6 Comment
  CHSC23900  Oxalis oregana D. G. Houston 1966-3-5 7 Humboldt Six miles up Fickle Hill Rd. 609 Comment
  HSC104035  Oxalis oregana E. R. Fyer 2015-3-19 7 Humboldt Six Rivers National Forest; along the East Fork of Willow Creek, off Hwy. 299 484 Comment
  HSC27893  Oxalis oregana Clifton Raymond Chesbrough 1973-6-19 65 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  SEINET3347653 Image available Oxalis oregana Loran C. Anderson 1949-6-4 Humboldt South of Eureka Comment
  SD64134  Oxalis rubra W. Bertsch 1953-7-30 221 Humboldt Redwoods-Dyerville-Highway 101 60 Comment
  RSA44527  Panicum oligosanthes var. scribnerianum Henry M. Pollard 1947-8-30 s.n. Humboldt Near Wilson Creek, on Klamath River, (near Orleans) Comment
  HSC82966  Parapholis strigosa A. L. Eicher 1985-6-19 Humboldt Mouth of Mad River Slough, Humboldt Bay. 1 Comment
  HSC37849  Parentucellia viscosa Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  SDSU10856  Parentucellia viscosa D. F. Howe 1961-8-1 3112 Humboldt 9.0 miles N of Arcata. Comment
  HSC74501  Parnassia palustris Gail Newton 1980-8-10 2048 Humboldt Near Blake Mtn. 1707 Comment
  HSC10522  Paspalum dilatatum DWC 1956-8-23 Humboldt Blocksburg Comment
  POM126123  Paspalum distichum Joseph P. Tracy, H. E. Parks 1924-8-3 6779 Humboldt Big Lagoon 6 Comment
  HSC24106  Paxistima myrsinites J. O. Sawyer 1971-6-14 2378 Humboldt E Fork of Horse Linto Creek at Grizzly Camp. 1341 Comment
  SBBG70467  Pectiantia ovalis S. W. H. -Jun-1917 1002 Humboldt Redwood Hwy 243 Comment
  HSC104271  Pedicularis densiflora Samantha E. Andres 2016-3-14 1 Humboldt Along Hwy. 299, ~5 mi. W of Willow Creek 274 Comment
  HSC20923  Pedicularis densiflora Jack Rockwell 1962-5-13 69 Humboldt N of main highway on logged hillside 632 Comment
  JEPS60059  Pellaea andromedifolia Willis G. Corbitt 1933-4-9 Humboldt Scotia Bluffs Comment
  UC1299764  Pellaea brachyptera Freed W. Hoffman 1949-7-15 3007 Humboldt e slope Mule Slide (Mt Lassic area a little s of Blue Ridge); Mt Lassic area Comment
  HSC99467  Penstemon anguineus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 121 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC41734  Penstemon anguineus Chesnut and Drew 1888-7-21 Humboldt S. Fork Mt. Comment
  RSA21441  Penstemon anguineus Carl B. Wolf 1937-8-12 9205 Humboldt North Coast Range, South Fork Mt., Trinity Co line. 1585 Comment
  SDSU10915  Penstemon anguineus D. F. Howe 1964-8-7 3945 Humboldt 6.2 miles from #96 on Mill Creek Road, Hoopa Valley. 1067 Comment
  UC1326253  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt near end of Forest Rd from Hoopa toward Trinity Summit; rd from Hoopa toward Trinity Summit 1371 Comment
  RSA33967  Penstemon heterophyllus subsp. purdyi Doris K. Kildale 1926-4-30 1935 Humboldt Bucilana Bridge. Comment
  HSC36637  Penstemon laetus subsp. sagittatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1905 Humboldt N side of Pine Mtn. Comment
  JEPS11633  Penstemon laetus var. sagittatus Joseph P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  JEPS11634  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-24 15513 Humboldt 2 mi se Devil's Hole; Trinity Summit, se of Devil's Hole 1584 Comment
  HSC63246  Penstemon newberryi var. berryi M. A. Baker 1979-6-27 932 Humboldt E of Oregon Creek Comment
  UC577416  Penstemon newberryi var. berryi Joseph P. Tracy Jul 16-19 1930 8953 Humboldt South Fork Mountain, open glades along summit near Blake lookout Northern Coast Ranges 1737 Comment
  HSC56057  Penstemon procerus var. brachyanthus G. L. Clifton, Terry Griswold 1979-7-31 11687 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC71616  Pentagramma triangularis subsp. triangularis Volney Rattan 1879-1-1 s.n. Humboldt unspecified Comment
  JEPS60093  Pentagramma triangularis subsp. triangularis Lincoln Constance 1934-5-24 630 Humboldt Bull Creek region; S Fork Eel River Comment
  HSC61046  Perideridia gairdneri subsp. gairdneri T. Jimerson, J. Pageau 1979-8-10 745 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  JEPS14222  Perideridia howellii Joseph P. Tracy 1939-9-4 16474 Humboldt Larrabee Valley; gully in foothills at edge of valley 731 Comment
  HSC35701  Perideridia kelloggii Thomas W. Nelson, B. Reinhardt 1975-7-30 2116 Humboldt E of Pilot Rock Comment
  RSA41945  Perideridia kelloggii H. C. Cantelow 1936-8-28 1723 Humboldt 4 1/2 miles SW of Dinsmore, Fortuna, bluff road Comment
  UC183948  Perideridia kelloggii Joseph P. Tracy 1912-8-3 3967 Humboldt Dinsmore's Ranch Northern Coast Ranges, valley of Van Duzen River (opposite Buck Mt.) 762 Comment
  HSC99811  Perideridia parishii subsp. latifolia G. L. Clifton, Terry Griswold 1979-8-1 12020 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC12557  Persicaria maculosa D. La Conte 1970-8-11 15 Humboldt Along side of creek intersecting Campton Rd. Comment
  HSC98989  Petasites frigidus var. palmatus Cara Witte 2008-6-4 680 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1276 Comment
  UC1239507  Petasites frigidus var. palmatus Joseph P. Tracy 1937-7-2 15405 Humboldt head of Little Hors-Linto Creek Trinity Summit 1371 Comment
  UCR13417  Petasites palmatus T. Wetherwax 1973-4-1 730401- 2 Humboldt Old U.S. Hwy 101, just north of Myer's Flat. 152 Comment
  HSC100713  Petasites palmatus Carl C. Marshall Apr 1886 54 Humboldt Banks of streams. Comment
  JEPS1435  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek Bluff Northern Coast Ranges, Eel River 60 Comment
  RSA167318  Phacelia bolanderi Joseph P. Tracy 1950-6-18 18852 Humboldt Briceland Comment
  RSA298347  Phacelia bolanderi J. P. Smith, Steve Selva 1970-6-14 3821 Humboldt Along California 96 at Whitmore Creek. 152 Comment
  RSA75339  Phacelia bolanderi F. W. Peirson 1928-7-4 7959 Humboldt On banks of Eel River at Robinson s Grove. Comment
  HSC41588  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1977-7-4 3576 Humboldt Head of N Fork of Conley Creek 1463 Comment
  JEPS1966  Phacelia egena P. E. Goddard 1906-6 661 Humboldt Lasseck Peak Comment
  UC562571  Phacelia egena Joseph P. Tracy 1929-4-28 8550 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC24374  Phacelia mutabilis J. O. Sawyer 1970-6-24 2284 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC75548  Phacelia mutabilis J. O. Sawyer 1977-7-3 3014 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  UC1222900  Phacelia mutabilis Joseph P. Tracy 1950-6-15 18778 Humboldt 5 mi n Harris; Mail Ridge Comment
  UC203960  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1918-7-1 4983 Humboldt 3 mi s point of the cape; Northern Coast Ranges, Cape Mendocino 3 Comment
  SEINET200961 Image available Phalaris angusta J. P. Tracy 1935-5-25 13856 Humboldt Fort Seward 107 Comment
  HSC10555  Phalaris arundinacea D. J. McVean 1965-5-18 79 Humboldt Along Old Arcata Rd., just S of intersection with Inidanola Rd. Arcata, CA Comment
  HSC10559  Phalaris californica E. W. Styskel 1964-5-10 87 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101 Comment
  JEPS49603  Philadelphus lewisii Joseph P. Tracy 1926-6-27 7696 Humboldt Horse Mountain Northern Coast Ranges 1066 Comment
  JEPS49607  Philadelphus lewisii Milo S. Baker 1923-7-20 78 Humboldt between head of Yager Creek and Bridgeville Comment
  HSC20255  Philadelphus lewisii H. D. Sumner 1959-7-13 Humboldt Dirt road to Hoopa 305 Comment
  RSA0046936  Philadelphus lewisii Lyman Benson 1928-7-10 397 Humboldt Hills by Humboldt Bay, Fortuna. Mouth of Eel River. 30 Comment
  UCD89305  Phleum alpinum Don Hagar 1957-8-6 s.n. Humboldt Jackson Hole, west slope of the Trinity Summit area. 1645 Comment
  UC187279  Phleum pratense Joseph P. Tracy July, 1908 2892 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges, between Van Duzen and Mad Rivers 914 Comment
  HSC64189  Phlox adsurgens J. O. Sawyer, M. A. Ericksen 1979-6-23 3379 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC1541555  Phlox adsurgens W. K. Parks Jul 1933 Humboldt South Fork Comment
  UC60870  Phlox adsurgens Mrs. M. H. Manning Humboldt Bair's Hill Hoopa Valley Comment
  UC1541553  Phlox gracilis H. E. Parks, J. P. Tracy 1930-5-25 795 Humboldt Laribee Valley 762 Comment
  HSC59450  Phoradendron serotinum subsp. tomentosum Kenneth Clark 1979-5-13 280 Humboldt Chezem Rd., off of Hwy. 299, 0.2 mi. W of N end of Chezem Rd. 610 Comment
  SEINET6630811  Phoradendron villosum J. R. Bruff 1937-3-19 802 Humboldt Oak Flat Camp- Ridge Route Comment
  HSC41478  Phyla nodiflora Ed Cope, R. Runyon 1977-7-20 132 Humboldt 15th and H St., Arcata. Comment
  UC162338  Physocarpus capitatus Joseph P. Tracy 1911-7-7 3394 Humboldt 3 mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch, at the meadows on mountain side); Northern Coast Ranges 914 Comment
  UC249641  Physocarpus capitatus Joseph P. Tracy 1922-9-3 6110 Humboldt Klamath River at Bluff Creek 91 Comment
  HSC45890  Picea sitchensis J. P. Smith 1971-10-6 4969 Humboldt End of Murray Rd. in McKinleyville, Bulk Collection 155 Comment
  CAS-BOT-BC73151  Pinus jeffreyi Joseph P. Tracy; H. E. Parks 1934-6-14 11030 Humboldt Horse Mountain 1432 Comment
  HSC54535  Pinus jeffreyi Overton, Butler 1979-7-23 9485 Humboldt Near Horse Mtn. Creek 1326 Comment
  HSC74337  Pinus lambertiana M. A. Baker 1980-5-18 1280 Humboldt Near Black Mtn. 1006 Comment
  HSC54513  Pinus monticola Overton, Butler 1979-7-23 9429 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC502910  Pinus muricata Joseph P. Tracy 1929-11-3 8685 Humboldt 1 1/2 mi e and ne Trinidad; Northern Coast Region 60 Comment
  SEINET3874233 Image available Pinus muricata Robert M. Specht 1977-11-20 1190 Humboldt Population ranges from a few scattered trees near Hhighway 101 to flats along Georgia Pacific's A-line.; 0 122 Comment
  CAS-BOT-BC79025  Pinus ponderosa Doris K. Kildale 1927-2-20 2900 Humboldt [Lassecks] Lassics Peaks Trail, Cold Spring, Goat Camp 914 Comment
  JEPS48196  Pinus ponderosa W. L. Jepson 1902-6-18 1876 Humboldt Cummings to Harris Blue Rock Ridge 1219 Comment
  UC1196432  Piperia elongata Joseph P. Tracy 1925-8-9 7224 Humboldt Salmon Creek Northern Coast Ranges, South Fork of Eel River 91 Comment
  UC176371  Piperia michaelii Joseph P. Tracy 1912-7-21 3763 Humboldt Alton Northern Coast Ranges 30 Comment
  HSC104428  Piperia transversa Greg O'Connell 2013-6-27 Humboldt Ridge west of Chaparral Mountain Comment
  HSC99639  Pityopus californicus T. Jimerson, J. Pageau 1979-7-31 698 Humboldt Near Whiting Ridge. Close to the town of Hyampom, CA. 1204 Comment
  UC1121030  Pityopus californicus R. Stahelin 1933-7-20 Humboldt Korbel Eureka Quad. (yield Plot #16, se of Riverside Plant) Comment
  CAS-BOT-BC228213  Plagiobothrys hispidulus Joseph P. Tracy 1935-7-25 14226 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  UC1562526  Plagiobothrys nothofulvus Barbara Ertter with Thomas J. Delendick 1987-5-16 6929 Humboldt ca 15 air mi e Arcata (just w of Berry Summit on Hwy 299, on n side of road); Vista Point 914 Comment
  POM160833  Plagiobothrys reticulatus Joseph P. Tracy 1918-7-5 2010 Humboldt White Thorn Valley. 305 Comment
  UC179943  Plagiobothrys reticulatus Joseph P. Tracy 1914-5-30 4486 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC668231  Plagiobothrys reticulatus Joseph P. Tracy 1938-6-17 15963 Humboldt s of point Cape Mendocino 3 Comment
  UC526826  Plagiobothrys reticulatus Joseph P. Tracy 1927-7-10 8245 Humboldt Alton North Coast Ranges, Alton 60 Comment
  UC1196130  Plantago elongata Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16660 Humboldt w of Table Bluff 6 Comment
  HSC16836  Plantago lanceolata A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek junction, 200 yds. W of Lindsey Creek Comment
  HSC62991  Plantago lanceolata David Wheeler 1979-4-23 83 Humboldt N end of Heindon Rd. at turn-around Comment
  RSA246720  Plantago lanceolata Robert F. Thorne, Percy C. Everett 1965-8-8 35232 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC71216  Plantago maritima Thomas W. Nelson, Doris K. Niles 1979-5-19 4692 Humboldt Tidal marsh at mouth of Eel River, Crab Park, N of County Park. Comment
  SJSU11078  Plantago maritima H. T. Harvey 1977-7-5 602 Humboldt Elk R Spit, Humboldt Bay Comment
  UCD124372  Plantago maritima Malcolm A. Nobs; S. Galen Smith 1949-8-3 1205 Humboldt Salt marshes bordering Humboldt Bay, CA. 2 miles N of Eureka. Comment
  HSC36625  Platanthera dilatata var. leucostachys J. D. Ackerman 1975-7-11 539 Humboldt South end of Big Lagoon, near the boat ramp Comment
  HSC98718  Platanthera dilatata var. leucostachys Cara Witte 2008-7-1 791 Humboldt Near Grouse Mountain spring. Along Forest Service Road 5N04. 1/4 mile east of intersection with 4N70. 1583 Comment
  JEPS79897  Platanthera leucostachys Joseph P. Tracy 1933-7-25 12842 Humboldt in bog Grouse Mountain 1524 Comment
  HSC103985  Platystemon californicus E. R. Fyer 2015-3-19 15 Humboldt Samoa; along side of New Navy Base Rd 8 Comment
  CAS-BOT-BC91636  Platystemon californicus Joseph P. Tracy 1932-6-26 10266 Humboldt Northern Coast Region.. Valley of South Yager Creek. 762 Comment
  SEINET780340  Plectritis A. Baker 1980-5-24 1450 Humboldt Comment
  UC1239580  Plectritis congesta Joseph P. Tracy 1904-4-24 2024 Humboldt Ocean Beach at Humboldt Bay Ocean Beach Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC21692  Plectritis congesta subsp. congesta J. R. Kahl 1962-4-26 19 Humboldt 1 mi. N of Samoa, 1000 yards from ocean. Comment
  HSC57302  Pleuropogon refractus W. C. Overton 1979-8-1 12344 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa 1341 Comment
  UC1317649  Pleuropogon refractus R. Tofsrud 1949-7-22 Humboldt on road between Scotia and Capetown Comment
  SEINET10589989  Poa Rattan 1878-1 RATTAN s.n. Humboldt Common in inherited ... Comment
  UCD90579  Poa bolanderi A. H. Murphy 1951-6-25 68 Humboldt Snow Camp Meadows, ca. 8 miles e.n.e. of Kneeland. Comment
  SEINET200569 Image available Poa bulbosa Joseph P. Tracy 1942-2-6 17104 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC255122  Poa confinis Joseph P. Tracy 1927-4-24 7947 Humboldt Eureka, near bay shore 9 Comment
  HSC10679  Poa confinis L. M. Malloy 1965-4-23 46 Humboldt Samoa, sand dunes 1/4 mi. NW of the corner of Thunder Rd. and The Hard Way. Comment
  HSC10694  Poa douglasii J. W. Johnson 1961-9-4 1101 Humboldt Christenson Farm, Samoa Peninsula, Arcata. Comment
  CAS-BOT-BC246619  Poa howellii Joseph P. Tracy 1926-5-15 7490 Humboldt Kneeland Prairie 762 Comment
  HSC102626  Poa pratensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 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
  HSC10786  Poa secunda subsp. secunda A. H. Murphy 1951-4-18 18 Humboldt Tooby and Prior Ranch, Blocksberg. 457 Comment
  HSC61767  Polygala californica Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan 229 Comment
  UC535763  Polygala californica Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  HSC17220  Polygala californica R. Spellenberg 1964-6-16 435 Humboldt 0.25 mi. W of Hwy. 299 bridge over S Fork of Trinity River Comment
  UC35075  Polygala cornuta var. cornuta Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  CAS-BOT-BC414302  Polygonum aviculare subsp. neglectum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC249657  Polygonum bolanderi Joseph P. Tracy 1921-8-21 5944 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CDA2769  Polygonum capitatum Gordon Leppig, Sylvia Leppig 2000-4-16 1298 Humboldt Corner 17th and J Street, Arcata. Comment
  UC30051  Polygonum convolvulus Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  RSA466318B  Polygonum douglasii Thomas W. Nelson, James Nelson 1976-7-28 3057 Humboldt Growing on meadow along 2E27 just N of its Jct. 1S07 1524 Comment
  UC1541405  Polygonum douglasii subsp. spergulariiforme H. E. Parks and J. P. Tracy 1930-9-15 767 Humboldt Kneeland Bald Hills Comment
  UC1101153  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-9 1234 Humboldt Town of Blue Lake; pond on s side Comment
  HSC57966  Polygonum minimum G. L. Clifton, Griswold 1979-7-31 11683 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC109179  Polygonum paronychia Joseph P. Tracy 1930-7-21 8890 Humboldt Cape Mendocino. South of point of the cape. 30 Comment
  HSC17517  Polygonum paronychia J. R. Kahl 1962-4-26 18 Humboldt 1 mi. N of Samoa, 1000 yards from ocean. Comment
  POM129566  Polygonum paronychia Grout, S. Grout 1910-09 s.n. Humboldt Eureka. Comment
  UC672944  Polygonum paronychia Joseph P. Tracy 1927-1-15 7836 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  HSC98594  Polygonum phytolaccifolium Cara Witte 2007-7-11 506 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  CDA2925  Polygonum polystachyum T. C. Fuller 1961-9-27 7040 Humboldt Slope of bluff north above mouth of Redwood Creek, 1.5 miles west of Orick. 0 Comment
  HSC17537  Polygonum spergulariiforme Larry Berti 1968-10-20 Humboldt Along the Van Duzen River Comment
  RSA13553  Polygonum spergulariiforme H. E. Parks, Joseph P. Tracy 1930-9-15 767 Humboldt Bald Hills Comment
  CAS-BOT-BC71830  Polypodium californicum Donald Branscomb 1958-12-1 s.n. Humboldt Trinidad Comment
  POM118346  Polypodium californicum Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC77901  Polypodium californicum L. P. Janeway, Paul Wilson 1984-5-7 764 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  HSC103989  Polypodium calirhiza M. F. Norman 2015-4-11 21 Humboldt Arcata, Ma-le'l Dunes Comment
  CAS-BOT-BC76843  Polypodium glycyrrhiza Carl D. Duncan 1920-9-22 s.n. Humboldt Supply Creek, Hoopa Comment
  SEINET3873640  Polypodium glycyrrhiza P. F. Yull 1966-3-24 111 Humboldt South of Manila School. 140 yards from ocean.; 0 Comment
  UC404748  Polypodium glycyrrhiza H. E. Parks June 1924 2837 Humboldt Lawrence Creek Comment
  UC1241361  Polypodium scouleri R. J. Rodin 1961-8-10 6807 Humboldt Sequoia Park Eureka; Sequoia Park Comment
  HSC12125  Polypogon interruptus A. S. Hitchcock 1915-7-23 839 Humboldt Eureka Comment
  CAS-BOT-BC233214  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC233215  Polypogon maritimus Joseph P. Tracy 1930-10-19 9236 Humboldt Eel River, Alton to Fortuna 15 Comment
  HSC26168  Polypogon monspeliensis J. P. Smith 1970-6-7 3798 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC72980  Polystichum imbricans Gail Newton 1980-7-15 1578 Humboldt Near Sims Mtn. 1311 Comment
  HSC73633  Polystichum imbricans M. Baker 1980-7-23 3178 Humboldt Near Orleans Mtn. 1859 Comment
  RSA247492  Polystichum munitum Gary D. Wallace 1966-9-12 703 Humboldt Along Hwy. 299 E of Arcata near Willow Creek; Comment
  HSC79181  Polystichum munitum C. J. Thomas 1984-9-25 116 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  RSA44515  Polystichum munitum Henry M. Pollard 1947-8-28 s.n. Humboldt Perch Creek Canyon, Mount Orleans Comment
  UC249849  Polystichum munitum Joseph P. Tracy 1924-8-24 6828 Humboldt E Fork Willow Creek; Northern Coast Ranges 457 Comment
  HSC98902  Polystichum scopulinum Cara Witte 2008-6-11 708 Humboldt Forest Service Road 5N10. At intersection of Forest Service Road 5N41. 1294 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
  UC275527  Populus trichocarpa Joseph P. Tracy 1923-3-25 6167 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC1103510  Potamogeton foliosus Joseph P. Tracy 1940-10-17 16774 Humboldt 2 to 5 mi e of South Fork (Camp Grant); Eel River 45 Comment
  RSA239755  Potamogeton natans Larry E. DeBuhr, Gary D. Wallace 1973-5-19 1117 Humboldt Prairie Creek Redwood State Park; at Gold Bluff Beach. Comment
  UCSB30604  Potamogeton natans Edwards, David 1974-7-26 Humboldt Pond ca. 50 ft. NW of Grand Rd., ca. 1.5 mi. SW. of Korbel and ca. 1/2 mi. NE. of Mad River 18 Comment
  JEPS393  Potamogeton pectinatus Joseph P. Tracy 1934-7-20 13462 Humboldt Big Lagoon 3 Comment
  CAS-BOT-BC454067  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  HSC18730  Potentilla anserina subsp. pacifica J. F. Knezevich 1967-5-23 453 Humboldt N of Trinidad at Big Lagoon 15 Comment
  HSC46968  Potentilla anserina subsp. pacifica J. P. Smith, Thomas W. Nelson 1977-6-30 9212 Humboldt Samoa Peninsula just E of the drag strip. Comment
  SD42346  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park Comment
  HSC56414  Potentilla gracilis var. fastigiata Griswold, Butler 1979-7-11 7064 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  CAS-BOT-BC540159  Potentilla gracilis var. fastigiata Carl B. Wolf 1934-7-2 5859 Humboldt 5.5 mi. from Bald Mt. on road to Snow Camp. 914 Comment
  CAS-BOT-BC158491  Potentilla gracilis var. gracilis Alice Eastwood; John Thomas Howell 1937-6-23 4849 Humboldt Kneeland Comment
  CAS-BOT-BC158494  Potentilla gracilis var. gracilis Joseph P. Tracy 1933-8-6 12929 Humboldt Tomlinson Ranch, on Bald Hills east of Orick 670 Comment
  CAS-BOT-BC158495  Potentilla gracilis var. gracilis Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC30037  Potentilla gracilis var. gracilis Chesnut and Drew 1888-8-6 Humboldt Redwood Creek Comment
  HSC54230  Prosartes hookeri Griswold, Butler 1979-7-12 7297 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  HSC79489  Prosartes hookeri Kenneth Clark 1980-3-24 539 Humboldt Upper terrace of Dead Man's Gulch 76 Comment
  HSC59658  Prosartes smithii Marla J. Carollo 1979-4-10 4 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  HSC23488  Prunella vulgaris subsp. lanceolata R. A. Vanbianchi 1971-9-24 87 Humboldt Comment
  UC418989  Prunella vulgaris var. lanceolata H. E. Parks and J. P. Tracy 1930-9-14 770 Humboldt above Bayside Comment
  HSC72696  Prunus emarginata Gail Newton 1980-6-24 590 Humboldt Near Ladder Rock 1570 Comment
  JEPS44944  Prunus emarginata Joseph P. Tracy 1917-5-6 4780 Humboldt at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  JEPS44946  Prunus emarginata Joseph P. Tracy 1924-4-20 6638 Humboldt near Fortuna (Northern Coast Ranges); Northern Coast Ranges 60 Comment
  JEPS44947  Prunus emarginata Joseph P. Tracy 1923-4-15 6195 Humboldt Hungry Hollow on Bald Mountain Bald Mountain; Northern Coast Ranges, Bald Mountain 762 Comment
  RSA46689  Prunus emarginata Doris K. Kildale 1938-6-5 15387 Humboldt Horse Mountain Comment
  SEINET11917572  Prunus virginiana J. P. Tracy 1950-6-25 18881 Humboldt Burr Valley Rd, Buck Mt 1067 Comment
  CAS-BOT-BC154737  Prunus virginiana var. demissa H. E. McMinn 1922-8-5 356 Humboldt Along Van [Dusen] Duzen River Comment
  UCSB30606  Pseudognaphalium californicum Edwards, David 1974-8-14 Humboldt S. side of dirt Rd., ca. 1/2-1/3 mi. in on dirt road from jct. with Fickle Hill Rd., ca. 1/4 mi. from jct. of Fickle Hill Rd. and Park Ave. Comment
  UC582514  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  CAS-BOT-BC357603  Pseudognaphalium stramineum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UCD149981  Pseudognaphalium stramineum Harry George, G. M., B. M. 1967-7-11 s.n. Humboldt Humboldt Bay, South Spit. Comment
  CAS-BOT-BC80112  Pseudotsuga menziesii Doris K. Kildale 1928-10-7 6756 Humboldt Trinity River at mouth of Willow Creek Comment
  MACF017382  Pseudotsuga menziesii Trudy R. Ericson 1974-8-5 199 Humboldt Hwy. 299 about 30 mi. east of Eureka in Shasta-Trinity National Forest Comment
  HSC76294  Pseudotsuga menziesii var. menziesii Denis Kearns 1981-7-6 74 Humboldt Near Mosquito Lake 1256 Comment
  UC1222911  Psilocarphus oregonus Joseph P. Tracy 1949-8-11 18479 Humboldt 2 to 6 mi s Grouse Mt. (e of headwaters of Redwood Creek); Kinsey Ridge 1402 Comment
  UC1199361  Psilocarphus tenellus Joseph P. Tracy 1915-6-27 4661 Humboldt near Carlotta; Northern Coast Ranges, Yager Creek 60 Comment
  SEINET4207976  Psoralea physodes Thomas Nelson, Jane Nelson 1977-7-1 3573 Humboldt Growing on dry road cut along road 2S08 below Goat Hill.; 0 1524 Comment
  HSC55176  Pteridium aquilinum var. pubescens Gilbert Muth 1979-8-1 12178 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  UCD39989  Pteridium aquilinum var. pubescens Rodney Gale Myatt 1971-9-21 1187 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  CAS-BOT-BC460594  Pyrola aphylla Doris K. Kildale 1926-6-27 2187 Humboldt Sweasey Lake, McClellan Mountain 822 Comment
  CAS-BOT-BC460595  Pyrola aphylla Henry M. Pollard 1948-7-23 s.n. Humboldt Perch Creek canyon near Orleans Comment
  CAS-BOT-BC460603  Pyrola aphylla Doris K. Kildale 1926-6-17 2166 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC462871  Pyrola asarifolia Joseph P. Tracy 1936-6-28 15016 Humboldt Bald Mountain, at Lake Prairie 1066 Comment
  HSC54554  Pyrola dentata Overton, Butler 1979-7-24 9560 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  UC162733  Pyrola picta Joseph P. Tracy 1911-7-7 3437 Humboldt Brannan Mountain, viz. Ridge North of Willow Creek, between Willow and Campbell Creeks near the Summit 1219 Comment
  BLMAR168  Quercus Donald Hazlett 1994-6-7 168 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC709464  Quercus X morehus Joseph P. Tracy 1941-6-15 16915 Humboldt Panther Gap; on Bull Creek-Mattole Rd 762 Comment
  JEPS38040  Quercus chrysolepis Lincoln Constance 1934-6-15 885 Humboldt Summit of Grasshopper Peak South Fork Eel River, Bull Creek Region 975 Comment
  SBBG117224  Quercus chrysolepis R. G. Myatt 1971-9-21 1185 Humboldt near Orleans, NE of Hoopa Reservation, along Klamath River 185 Comment
  RSA1091  Quercus garryana var. garryana E. R. Johnson 1928-8-26 1150 Humboldt Summit between Willow and Redwood Creeks, Trinity River Road. Comment
  HSC41013  Quercus kelloggii J. P. Smith, J. O. Sawyer 1976-5-2 8635 Humboldt 3.2 mi W of Loop Rd. in Hoopa Reservation, along Redwood Creek-Hoopa Rd. 366 Comment
  UCD47241  Quercus sadleriana Milo S. Baker 1947-8-10 11896 Humboldt 16 mi N.E. of Hooba along trail towards Trinity Summit from end of forest Rd. 1463 Comment
  HSC54519  Quercus vacciniifolia Overton, Butler 1979-7-23 9446 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC98847  Quercus vacciniifolia Cara Witte 2008-7-11 867 Humboldt Horse Mountain Botanical Area. National Forest 1. 1/2 mile west of intersection with Forest Service Roads 6N38 and 6N36. 1426 Comment
  HSC99036  Quercus vacciniifolia Cara Witte 2008-9-27 1047 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. At end of the road. 1407 Comment
  UCD47406  Quercus vacciniifolia H. L. Mason 1932-7-21 7018 Humboldt East slope of Southfork Mts. On road Arcata to Weaverville, Humboldt County. Comment
Read comments Oct 6 2006
  UC552300  Ranunculus flammula Joseph P. Tracy 1934-7-13 13390 Humboldt Dow's Prairie 60 Comment
  UC1196269  Ranunculus muricatus J. P. Tracy 1907-6-10 2566 Humboldt Immediate vicinity of Eureka 0 Comment
  BLMAR362  Ranunculus muricatus Clara Sander 2003-5-21 362 Humboldt South Spit, West side of road 9 Comment
  JEPS60699  Ranunculus occidentalis W. L. Jepson 1934-5-7 16703 Humboldt Buckeye Prairie Bull Creek Comment
  UC1196231  Ranunculus occidentalis Joseph P. Tracy 1934-4-8 13173 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC502921  Ranunculus occidentalis Joseph P. Tracy 1932-7-18 10701 Humboldt Brett Hole Klamath Mountains, Trinity Summit (head) 1828 Comment
  JEPS55183  Ranunculus occidentalis W. L. Jepson 1902-6-20 1895 Humboldt Fort Seward Ranch Ridge Comment
  HSC73606  Ranunculus occidentalis var. occidentalis M. A. Baker 1980-7-22 3118 Humboldt Near Grogan Hole. 1676 Comment
  HSC53976  Ranunculus orthorhynchus Griswold, Butler 1979-7-11 7049 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  SD90193  Ranunculus orthorhynchus var. orthorhynchus Benjamin C. Stone 1952-6-23 Humboldt Redwood Forest, wet open places on Coast Hwy. 101 20 miles south of Klamath 46 Comment
  UC162864  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1909-5-31 2982 Humboldt Eureka Comment
  UC1196263  Ranunculus parviflorus Joseph P. Tracy 1942-6-2 17110 Humboldt roadside 2 mi n Bridgeville 457 Comment
  CDA3496  Ranunculus parviflorus J. F. Hart 1964-5-21 Humboldt Garberville district. 0 Comment
  UCD97071  Ranunculus parviflorus John Thomas Howell 1954-4-25 29153 Humboldt Arcata. Comment
  UC1713273  Ranunculus pusillus Joseph P. Tracy 1919-5-31 5177 Humboldt opposite Willow Creek (shores of pond); Northern Coast Regions, Trinity River, Lack Pond 152 Comment
  UC1196265  Ranunculus repens Joseph P. Tracy 1933-7-20 12803 Humboldt Arcata Bottom North Coast Ranges 15 Comment
  RSA399439  Ranunculus repens R. S. Woglum 1938-8-29 2036 Humboldt State Park Grounds, S of Trinidad. Comment
  UC1196266  Ranunculus uncinatus Joseph P. Tracy 1937-7-2 15404 Humboldt head of Little Hors-Linto Creek Trinity Summit 1371 Comment
  UC1196270  Ranunculus uncinatus Joseph P. Tracy 1916-5-7 4687 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC99407  Ranunculus uncinatus var. uncinatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 56 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA7790  Rhamnus californica Carl B. Wolf 1927-8-30 1249 Humboldt 3 miles S of Thorn3 miles S of Tom's Place Comment
  UC61100  Rhamnus californica subsp. californica J. Burtt Davy 1899-6-21 5732 Humboldt Supply Creek Hoopa Valley Comment
  RSA390632  Rhamnus purshiana Christopher Davidson 1973-5-29 2203 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  HSC12372  Rhododendron columbianum Steve Dorei 1970-10-14 100 Humboldt Big Lagoon Comment
  HSC7831  Rhododendron columbianum J. Pursell 1964-10-6 1061 Humboldt Big Lagoon Bog Comment
  UC1121090  Rhododendron macrophyllum A. E. Wieslander 1931-5-17 195 Humboldt Orick-Orleans Road Comment
  CAS-BOT-BC433130  Ribes Doris K. Kildale 1927-5-15 3298 Humboldt Petrolia Comment
  CAS-BOT-BC433142  Ribes Doris K. Kildale 1927-5-13 3136 Humboldt Redwood Creek at Berry's 289 Comment
  HSC40677  Ribes binominatum Thomas W. Nelson, Jane P. Nelson 1976-6-22 2847 Humboldt Along Rd. to Goat Hill. 1646 Comment
  POM184793  Ribes binominatum Joseph P. Tracy 1932-7-13 10487 Humboldt Trinity Summit. 1524 Comment
  UC667032  Ribes bracteosum Joseph P. Tracy 1938-8-14 16105 Humboldt along Trinity Highway Willow Creek Canyon 762 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
  JEPS25431  Ribes inerme var. klamathense Joseph P. Tracy 1941-3-26 16813 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  HSC102026  Ribes lacustre M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 927 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC102024  Ribes lobbii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 925 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC102571  Ribes lobbii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1558 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC183575  Ribes lobbii Joseph P. Tracy 1913-6-17 4189 Humboldt near the summit Buck Mountain; Northern Coast Ranges 1676 Comment
  UC667057  Ribes lobbii Joseph P. Tracy 1933-7-11 12697 Humboldt Grouse Mountain 1524 Comment
  HSC100492  Ribes lobbii Carl C. Marshall Jul 1886 264 Humboldt Coyote Camp, Lyon's Range. Comment
  RSA0021131  Ribes lobbii Peter H. Raven, Richard Snow 1958-7-20 13632 Humboldt 12.8 miles southwest of US 299 on Friday Ridge Road to Grouse Mountain, 0.2 miles northeast of Titlow Hill Road junction. Comment
  RSA0021134  Ribes lobbii Lyman Benson 1928-7-12 503 Humboldt Weott Ranger Station. Seaward North Coast Range, South Fork Eel River. 61 Comment
  HSC34630  Ribes menziesii R. M. Sullivan 1975-4-9 3 Humboldt 1.0 mi. S of Patrick's Point, 40yds W of old Hwy. 101 46 Comment
  UC552244  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  UCD39983  Ribes roezlii Rodney Gale Myatt 1971-9-21 1188 Humboldt Near Orleans, northeast of Hoopa Reservation, and along Klamath River. 426 Comment
  RSA0024750  Ribes roezlii J. R. Bruff 1937-8-17 937 Humboldt Richardson Grove, bed of Eel River. Comment
  BLMAR391  Ribes roezlii var. cruentum Jennifer Wheeler 2005-4-22 391 Humboldt Lacks Creek, Near road just befor 100 acre field 853 Comment
  CAS-BOT-BC198901  Ribes roezlii var. cruentum Thomas W. Nelson; Jane P. Nelson 1977-5-30 3418 Humboldt Growing beside State Route 36 just west of Dinsmore at highway bridge over Van Duzen River 731 Comment
  CAS-BOT-BC198904  Ribes roezlii var. cruentum Peter H. Raven; R. Snow 1958-7-20 13630 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  UC249624  Ribes roezlii var. cruentum Joseph P. Tracy 1922-4-30 6041 Humboldt Three Creeks, along road between Three Creeks and mouth of Willow Creek Northern Coast Ranges 670 Comment
  CAS-BOT-BC198905  Ribes roezlii var. cruentum D. H. Norris 1970-5-20 12217 Humboldt Crest of ridge on Big Hill Road east of Hoppa at streambed. Comment
  RSA0024586  Ribes roezlii var. cruentum Robert F. Thorne, P. C. Everett 1965-8-5 35142 Humboldt 5.2 miles N of junction of Horse Mt. and Shelter Cove Roads. 457 Comment
  HSC40117  Ribes sanguineum Dan O'Brien 1962-5-19 Humboldt 4 1/2 mi. E on Fickle Hill Rd. Comment
  HSC57037  Ribes sanguineum Overton, Butler 1979-7-24 9674 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC902055  Ribes sanguineum Joseph P. Tracy 1948-8-15 18133 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1554 Comment
  JEPS79968 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
  RSA0018238  Ribes sanguineum var. glutinosum Lyman Benson 1929-7-19 1876 Humboldt Mouth of Matole [Mattole] River. Comment
  RSA0018248  Ribes sanguineum var. glutinosum C. Epling, Wm. Robinson 1935-7-22 s.n. Humboldt Patrick s Point. Comment
  HSC100719  Ribes viscosissimum Carl C. Marshall Jun 1886 325 Humboldt Trinity Summit. Comment
  HSC102023  Ribes viscosissimum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 924 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC103129  Ribes viscosissimum M. Mesler 2009-7-31 813 Humboldt South Fork Mtn. FS 1, 9.7 north of intersection with 4N12 1738 Comment
  HSC74207  Ribes viscosissimum M. A. Baker 1980-7-19 3026 Humboldt Near Bret Hole. 1814 Comment
  RSA168871  Rigiopappus leptocladus Joseph P. Tracy 1950-7-6 18996 Humboldt Two miles south of Burr Valley on the Albee Road. 1159 Comment
  JEPS2836 Image available Romanzoffia tracyi Joseph P. Tracy 1933-5-9 11008 Humboldt wet slide on bluff near Ocean; Northern Coast Region, Vicinity of Trinidad; Vicinity of Trinidad, Humboldt Co. 15 Comment
  UC1103817  Romanzoffia tracyi Joseph P. Tracy 1940-5-18 16563 Humboldt 2 mi. n. Trinidad (coast bluff opposite Park's place) 3 Comment
  UC183622  Rorippa curvisiliqua Joseph P. Tracy 1913-6-20 4220 Humboldt Dinsmore's Ranch opposite Buck Mountain (in valley of Van Duzen River); Northern Coast Ranges, in valley Van Duzen River, Buck Mt 762 Comment
  HSC100077  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-7-31 704 Humboldt Near Whiting Ridge. Close to town of Hyampom 1204 Comment
  HSC70703  Rosa gymnocarpa Gail Newton 1980-7-14 1547 Humboldt Near Deadman Ridge 362 Comment
  CAS-BOT-BC146838  Rosa nutkana L. R. Abrams; R. Bacigalupi 1922-6-25 8275 Humboldt Big Lagoon south of Orick Comment
  LA208224  Rosa nutkana H. Lewis; 1940-7-3 sn Humboldt Dry lagoon Beach, State Park Comment
  UC1174842  Rosa nutkana var. nutkana P. C. Everett and E. K. Balls 1959-10-25 23973 Humboldt 11.6 mi sw from Ferndale (on Old Coast Rd to Capetown) 243 Comment
  UC1281125  Rosa nutkana var. nutkana H. E. McMinn 1937-12-2 3711 Humboldt sea-cliff n Eureka Comment
  RSA244511  Rubus discolor Larry E. DeBuhr, Gary D. Wallace 1973-9-16 s.n. Humboldt Near entrance of Prairie Creek Redwoods State Park Comment
  JEPS44733  Rubus laciniatus Joseph P. Tracy 1926-11-7 7828 Humboldt along Eel River from South Fork to Scotia; Northern Coast Ranges, along Eel River 60 Comment
  CAS-BOT-BC148354  Rubus lasiococcus Joseph P. Tracy 1930-7-17 9021 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  CAS-BOT-BC156723  Rubus spectabilis Mrs. A. H. Rodda 1932-5-22 s.n. Humboldt Redwood Highway Comment
  HSC12759  Rubus ursinus M. J. Athey 1970-11-5 20 Humboldt Havenway in Westhaven, Trinidad 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
  HSC79483  Rubus ursinus Kenneth Clark 1980-3-24 547 Humboldt Shelter Cove, N fork of Deadman's Gulch 69 Comment
  RSA183575  Rubus ursinus R. I. Bonn 1965-4-23 19 Humboldt 4 miles W of Arcata on Lanphere Rd. Comment
  UC1199051  Rubus ursinus Joseph P. Tracy 1948-8-15 18134 Humboldt on ridge 2 mi e Grove's Prairie (Trinity Summit); Trinity Summit 1524 Comment
  UC1334749  Rubus ursinus R. S. Woglum 1938-8-28 2041 Humboldt Trinidad Comment
  UC999203  Rubus ursinus H. E. Parks March 1941 Humboldt Spruce Cove , Spruce Cove (Trinidad) Comment
  UCD17616  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 048 Humboldt California. Humboldt County: 12.2 miles north of Ettersburg on road to Honeydew. Comment
  UCD17838  Rubus ursinus H. Olmo 8-10 May 1962 62- 35 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. 670 Comment
  UC672930  Rumex acetosella Joseph P. Tracy 1932-7-14 10530 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC17578  Rumex acetosella Allan R. Marshall 1962-5-22 30 Humboldt Back of Wildlife Building, HSU campus 30 Comment
  HSC95647  Rumex acetosella Andrea Pickart 2002-4-3 36 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  HSC98701  Rumex acetosella subsp. acetosella Cara Witte 2007-5-21 69 Humboldt White Oak Opening. 1257 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
  CAS-BOT-BC421523  Rumex crassus C. L. Hitchcock; J. S. Martin 1939-7-14 5438 Humboldt At Shelter Cove Comment
  HSC34977  Rumex crassus Thomas W. Nelson 1974-9-13 1712 Humboldt King Salmon area Comment
  HSC39979  Rumex crassus Linda M. Barker 1976-8-2 1672 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  HSC26348  Rumex crispus T. O. Osborne 1970-5-24 75 Humboldt Flat-iron Rock, 3/4 mi. NW Trinidad Lighthouse Comment
  HSC37577  Rumex crispus J. D. Ackerman 1975-6-10 452 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd. S of Manila Comment
  HSC79366  Rumex crispus Kenneth Clark 1980-5-10 649 Humboldt Shelter Cove, Point Delgada, on access trail to Western Beach 6 Comment
  SDSU9723  Rumex obtusifolius subsp. agrestis D. F. Howe 1959-8-4 2804 Humboldt 86 miles W of Weaverville on #299. 152 Comment
  UC176683  Rumex pulcher Joseph P. Tracy 1912-6-9 3645 Humboldt Alton Northern Coast Region 30 Comment
  UC672921  Rumex salicifolius var. transitorius Joseph P. Tracy 1936-6-3 14855 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC495729  Rupertia physodes Joseph P. Tracy 1930-6-15 8765 Humboldt near Blocksburg; Northern Coast Ranges 457 Comment
  CAS-BOT-BC454156  Ruppia maritima Malcom A. Nobs; S. Galen Smith 1949-8-3 1181 Humboldt Near mouth of the Elk River on Highway 101, ca. 4 miles south of Eureka Comment
  UC1100022  Ruppia maritima Malcolm A. Nobs and S. Galen Smith 1949-8-3 1182 Humboldt ca 4 mi s Eureka (on Highway 101, near mouth of Elk River) Comment
  UCD92352  Rytidosperma penicillatum Joseph P. Tracy 1941-8-17 16994 Humboldt at 'Hungry Hollow' on Bald Mt. 762 Comment
  BLMAR466  Salicornia depressa Jennifer Anthony-Wheeler 2007-8-28 466 Humboldt South Spit 6 Comment
  HSC26873  Salicornia depressa Clifton Raymond Chesbrough 1973-6-20 103 Humboldt .25 mi. N of Eureka slough along Hwy. 101 Comment
  CHSC31321  Salicornia virginica Mark Stopher 1980-6-4 85 Humboldt Along tidal creek, near Elk River bridge Hwy 101. 1 Comment
  CAS-BOT-BC103454  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  CAS-BOT-BC103455  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  UC469443  Salix exigua var. hindsiana Joseph P. Tracy 1931-9-7 9642 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC512027  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1331 Humboldt near bridge on Trinity Hwy. (in ... channel of Trinity R.) 152 Comment
  UC519381  Salix exigua var. hindsiana Joseph P. Tracy 1933-5-19 12203 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC104103  Salix hindsiana Harold E. Parks 1931-5-14 0958 Humboldt Fernbridge, Eel River 10 Comment
  CAS-BOT-BC106858  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01207 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad Comment
  CAS-BOT-BC107708  Salix hookeriana Harold E. Parks 1931-3-24 912 Humboldt Fortuna, on banks of Eel River 10 Comment
  CAS-BOT-BC107722  Salix hookeriana Joseph P. Tracy 1936-10-24 15203 Humboldt Fortuna, on bank of Eel River 15 Comment
  CAS-BOT-BC107771  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1226 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  HSC19954  Salix hookeriana H. E. Parks, S. T. Parks 1932-4-7 1103 Humboldt Trinidad, Little River Lagoon 0 Comment
  HSC19966  Salix hookeriana J. P. Tracy, H. E. Parks Apr 1923 7923 Humboldt Little River Lagoon Comment
  HSC20066  Salix hookeriana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1231 Humboldt Van Duzen River, 1.5 mi. E of Alton 30 Comment
  HSC40870  Salix hookeriana Linda M. Barker 1976-4-13 1383 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  HSC90428  Salix hookeriana Jean Hanson 1980-3-8 12 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS12957  Salix hookeriana Joseph P. Tracy 1931-9-27 9692 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  JEPS12959  Salix hookeriana Joseph P. Tracy 1931-9-20 9686 Humboldt mouth of Little River; Northern Coast Ranges 6 Comment
  JEPS12961  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  POM219563  Salix hookeriana H. E. Parks 1931-3-24 914 Humboldt Fortuna. Eel River. 10 Comment
  POM219565  Salix hookeriana H. E. Parks 1931-3-24 915 -a Humboldt Trinidad. 90 Comment
  POM219566  Salix hookeriana H. E. Parks 1931-3-24 915 Humboldt Trinidad. 90 Comment
  RSA34284  Salix hookeriana Doris K. Kildale 1926-3-28 1691 Humboldt Redwood Creek at Berry's. Comment
  UC1173619  Salix hookeriana Joseph P. Tracy 1936-2-23 14773 Humboldt Fortuna Eel River (bank of river) 15 Comment
  UC1196673  Salix hookeriana Joseph P. Tracy 1925-11-15 7315 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay (same region as #6929) 60 Comment
  UC1196675  Salix hookeriana Joseph P. Tracy 1931-3-26 9305 Humboldt near Alton; Northern Coast Ranges, Van Duzen River 30 Comment
  UC1196679  Salix hookeriana Joseph P. Tracy 1925-2-1 6929 Humboldt slope of bluff near Salmon Creek Corners; Northern Coast Region, around Humboldt Bay, Table Bluff 60 Comment
  UC469124  Salix hookeriana Joseph P. Tracy 1929-4-7 8531 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC481345  Salix hookeriana Harold E. Parks 1931-5-12 952 Humboldt Samoa Humboldt Bay, Samoa Comment
  UC481349  Salix hookeriana Harold E. Parks 1931-5-12 953 Humboldt Samoa Comment
  UC481350  Salix hookeriana Harold E. Parks 1931-5-12 954 Humboldt Samoa Humboldt Bay Comment
  UC481388  Salix hookeriana Harold E. Parks 1931-3-24 915 Humboldt Trinidad 90 Comment
  UC481396  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna Eel River (bank of river) 10 Comment
  UC504054  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 4 Humboldt around Eureka Eureka Comment
  UC512110  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1205 Humboldt 4 1/2 mi s Trinidad (Little River Lagoon); Little River Lagoon Comment
  HSC104061  Salix hookeriana M. F. Norman 2015-4-11 2 Humboldt Arcata, Ma-le'l Dunes Comment
  HSC56151  Salix jepsonii G. L. Clifton, Griswold 1979-8-1 12002 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC1173614  Salix laevigata Joseph P. Tracy 1935-6-22 13960 Humboldt mouth of Larrabee Creek (on Eel River); Eel River 45 Comment
  UC481295  Salix lasiandra subsp. lasiandra Harold E. Parks and Joseph P. Tracy 1931-5-17 966 Humboldt mouth of Willow Creek at Trinity R. (banks of Willow Creek); Willow Creek 150 Comment
  RSA0038347  Salix lasiandra var. lancifolia Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  HSC96610  Salix lasiandra var. lasiandra Gordon Leppig 2005-4-8 2210 Humboldt Eureka, edge of PALCO Marsh at W end of W Hawthorne St. 3 Comment
  SD1004  Salix lasiandra var. lasiandra Harold E. Parks, Joseph P. Tracy 1931-5-17 966 Humboldt Mouth of Willow Creek at Trinity River 149 Comment
  CAS-BOT-BC107578  Salix lasiolepis Joseph P. Tracy 1934-3-25 13166 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107588  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1318 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CHSC96698  Salix lasiolepis Gordon Leppig 1999-4-15 1119 Humboldt Big Lagoon County Park, Big Lagoon Bog. On western edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  HSC98056  Salix lasiolepis Cara Witte 2007-7-2 395 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1392 Comment
  JEPS14774  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt along Van Duzen River Bridgeville; Northern Coast Ranges 228 Comment
  JEPS14776  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 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
  UC481182  Salix lasiolepis Harold E. and Susan T. Parks 1931-8-15 1079 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 100 Comment
  UC490468  Salix lasiolepis Joseph P. Tracy 1932-9-5 10768 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC490553  Salix lasiolepis Joseph P. Tracy 1932-3-6 9774 Humboldt at mouth of Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC504027  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1320 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC506397  Salix lasiolepis Joseph P. Tracy 1933-3-19 10934 Humboldt Bridgeville Northern Coast Ranges, Van Duzen River (along river) 228 Comment
  UC512035  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1324 Humboldt w. slope Berry's Mt. (e. of Redwood Creek, on Trinity Hwy.) 762 Comment
  UCD111583  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-13 01254 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road. Comment
  UCD111589  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-17 01333 Humboldt Trinity River, near bridge on Trinity Highway. 152 Comment
  CAS-BOT-BC107288  Salix lasiolepis var. bigelovii Joseph P. Tracy 1933-4-9 10968 Humboldt along Van Duzen R. 228 Comment
  RSA178543  Salix lasiolepis var. sandbergii Joseph P. Tracy 1950-4-20 18623 Humboldt Van Duzen River. 10 miles SE of Dinsmore's. About 4 miles SE of Kuntz. Comment
  RSA273414  Salix lucida subsp. lasiandra Thomas W. Nelson 1976-3-22 2278 Humboldt Along S side of the Eureka Muni Golf Course. Comment
  CAS-BOT-BC125607  Salix melanopsis Harold E. Parks 1931-10-15 01077 Humboldt Bishop Pine Lodge, Trinidad 75 Comment
  HSC20027  Salix melanopsis H. E. Parks 1931-10-15 1077 Humboldt Bishop Pine Lodge, Trinidad 75 Comment
  HSC20035  Salix melanopsis H. E. Parks 1931-5-14 956 Humboldt Little Laribee Ridge, Van Duzen River Comment
  JEPS12936  Salix melanopsis Joseph P. Tracy 1931-5-3 9344 Humboldt Mad River near Blue Lake; Northern Coast Region 15 Comment
  JEPS12953  Salix melanopsis Joseph P. Tracy 1932-5-10 9961 Humboldt Mattole River near Petrolia; Northern Coast Region 15 Comment
  LA208879  Salix melanopsis Mrs. H. P. Bracelin; 1931-5-2 283 Humboldt E of Redwood Hwy.; 6 km. S of Alton 20.0 Comment
  LA208935  Salix melanopsis Harold E. Parks; 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  POM160837  Salix melanopsis Joseph P. Tracy 1920-5-31 5334 Humboldt Mouth of Yager Creek. 30 Comment
  SD978  Salix melanopsis Harold E. Parks 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 14 Comment
  UC1173616  Salix melanopsis Joseph P. Tracy 1937-8-3 15611 Humboldt near Blue Lake (along Mad R.); Mad R. 15 Comment
  UC176691  Salix melanopsis Joseph P. Tracy 1913-6-18 4198 Humboldt Dinsmore's Ranch opposite Buck Mt.; North Coast Ranges, Van Duzen R. Valley 762 Comment
  UC469445  Salix melanopsis Joseph P. Tracy 1931-10-3 9706 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC481169  Salix melanopsis Harold E. Parks 1931-8-25 1061 Humboldt Van Duzen R. Blue Slide; , Blue Slide 90 Comment
  UC481170  Salix melanopsis Harold E. Parks 1931-8-25 1061 Humboldt Van Duzen R. Blue Slide; , Blue Slide 90 Comment
  UC481825  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt 6 km. s. Alton (e. of Redwood Hwy.) 20 Comment
  UC490555  Salix melanopsis C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 10073 Humboldt Redwood Creek at Berrys; North Coast Ranges, Redwood Creek 274 Comment
  UC512006  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1232 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UC512019  Salix melanopsis C. R. Ball, H. E. Parks, and J. P. Tracy 1932-5-17 1339 Humboldt pond at Willow Creek (Graham Ranch) near junction with Trinity R.; Willow Creek 152 Comment
  UC519374  Salix melanopsis Joseph P. Tracy 1933-6-9 12532 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  CAS-BOT-BC129152  Salix scouleriana Doris K. Kildale 1929-2-28 6947 Humboldt Arcata - hill back of State Teacher's College Comment
  CAS-BOT-BC129174  Salix scouleriana W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula near R.R. Comment
  HSC41937  Salix scouleriana Ed Cope 1977-4-23 24 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC98064  Salix scouleriana Cara Witte 2007-7-12 518 Humboldt Along Forest Service Road 5N10. 1.25 miles south of intersection with 5N41. 1283 Comment
  JEPS14777  Salix scouleriana Joseph P. Tracy 1933-4-2 10956 Humboldt Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 304 Comment
  RSA273324  Salix scouleriana Thomas W. Nelson 1976-11-3 3279 Humboldt Eureka. E side of F St. ca 3800 block. Comment
  UC512015  Salix scouleriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1228 Humboldt pine barrens near coast 1 mi. n. Samoa Comment
  UC526712  Salix scouleriana Joseph P. Tracy 1934-3-13 13162 Humboldt in business district Eureka; Northern Coast Ranges 0 Comment
  UCR143482  Salix scouleriana H. E. Parks 1931-5-12 0955 Humboldt North Coast, Samoa, Humboldt Bay, near sea level 2 Comment
  HSC38183  Salix sitchensis Thomas W. Nelson, James Nelson 1976-3-5 3283 Humboldt Along S fork of Martins Slough just upstream from Eureka Muni Golf Course Comment
  HSC75494  Salix sitchensis J. O. Sawyer 1980-7-18 3636 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS12955  Salix sitchensis Joseph P. Tracy 1931-9-19 9683 Humboldt Van Duzen River Alton; Northern Coast Region, Van Duzen River 30 Comment
  JEPS14775  Salix sitchensis Joseph P. Tracy 1933-3-19 10930 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  POM219569  Salix sitchensis H. E. Parks 1931-3-26 906 Humboldt Alton on Van Duzen River. 15 Comment
  UC1196714  Salix sitchensis Joseph P. Tracy 1933-5-20 12265 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC1196716  Salix sitchensis Joseph P. Tracy 1926-2-21 7362 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC1196717  Salix sitchensis Joseph P. Tracy 1926-2-21 7357 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC1356345  Salix sitchensis Theodore J. Crovello 1965-4-8 669 Humboldt 2.5 mi. s. of turnoff to Prairie Creek Redwood State Park (along Lost Man Creek at junction with U.S. 101); Lost Man Creek Comment
  UC146202  Salix sitchensis J. P. Tracy 1905-11-5 2397 Humboldt immediate vicinity Eureka 0 Comment
  UC512013  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1230 Humboldt 1 1/2 mi. e. Alton (on ... floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  HSC20130  Salix tracyi H. E. Parks 1931-5-17 976 Humboldt Humboldt and Trinity Cos., Willow Creek 152 Comment
  UC504019  Salix tracyi C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1244 Humboldt Van Duzen River at Blue Slide 91 Comment
  RSA2192  Sambucus callicarpa C. B. Wolf 1931-3-26 s.n. Humboldt from coastal bluffs, 1 mile outh of Trinidad 91 Comment
  JEPS12746  Sambucus mexicana W. L. Jepson 1932-7-24 16390 Humboldt Mail Ridge 914 Comment
  JEPS12747  Sambucus mexicana W. L. Jepson 1932-7-24 16390 Humboldt Mail Ridge 914 Comment
  HSC91606  Sambucus racemosa var. racemosa E. Mackey 1987-3-1 Humboldt Patrick's Point State Park, Palmer's Point. Comment
  UCSB25080  Sambucus racemosa var. racemosa Keefe, Joseph 1967-7-8 Humboldt Juntion Crannell Road and Little River Drive, north of Eureka 6 Comment
  HSC21618  Sanicula arctopoides F. B. Plett 1963-3-9 6 Humboldt 1 1/2 mi. N of Trinidad along old Hwy. 101 Comment
  HSC45318  Sanicula arctopoides R. A. Vanbianchi 1972-3-29 129 Humboldt Samoa Peninsula,W side, across from public boat ramp Comment
  UC1073331  Sanicula arctopoides George B. Rossbach 1955-6-10 375 Humboldt between Fairhaven and (end of sandy point) off Eureka (near Humboldt Bay (lagoon) and lighthouse) Comment
  HSC82108  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1980-5-25 5253 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  HSC89601  Sanicula crassicaulis M. Roantree 1985-4-28 16 Humboldt W side of Trinidad Head, along trail Comment
  UC1022533  Sanicula crassicaulis C. Ritchie Bell 1952-5-3 1326 Humboldt near Cobbs (along Mad River); Mad River Comment
  RSA445278  Satureja douglasii Thekla Mohr 1918-07 3337 Humboldt Eel River. Comment
  SEINET3411470 Image available Saxifraga mertensiana Lincoln Constance, Reed C Rollins 1942-5-11 2869 Humboldt Three miles W of East Fork of Willow Creek Comment
  CHSC84743  Schoenoplectus acutus var. occidentalis L. P. Janeway 2003-7-27 7926 Humboldt North Coast. Edge of marsh on south side of southwest end of Hwy 101 causeway across Big Lagoon. 2 Comment
  RSA246889  Schoenoplectus acutus var. occidentalis Robert F. Thorne, Percy C. Everett 1965-8-9 35283 Humboldt Big Lagoon. 3 Comment
  UC1541349  Scirpus acutus var. occidentalis H. E. and S. T. Parks 1930-9-14 771 Humboldt Big Lagoon Comment
  UC1541345  Scirpus maritimus Harold E. Parks September 1934 5201 Humboldt Big Lagoon Comment
  HSC48382  Scirpus microcarpus D. H. Norris May 1970 12465 Humboldt Gold Bluff Beach, Prairie Creek Redwoods State Park Comment
  RSA0009468  Scirpus microcarpus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1100832  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-3 1198 Humboldt marsh and bog land at the southern outskirts Eureka; southern outskirts Eureka Comment
  UC1103491  Scoliopus bigelovii Joseph P. Tracy 1933-3-26 10941 Humboldt Big Lagoon 91 Comment
  POM160835  Scoliopus bigelovii Joseph P. Tracy 1924-3-9 6615 Humboldt Lawrence Creek, near Kneeland Prairie; Plants of Northern Coast Ranges. 610 Comment
  UC275519  Scoliopus bigelovii Joseph P. Tracy 1924-3-9 6615 Humboldt Lawrence Creek near Kneeland Prairie; Northern Coast Ranges, Lawrence Creek 609 Comment
  HSC21129  Scrophularia californica D. E. Anderson 1961-8-11 1734 Humboldt Redwood preserve E of HSU campus 30 Comment
  HSC37964  Scrophularia californica Peter Sorensen 1976-6-16 Humboldt Woodley Island Comment
  UCD124815  Scrophularia californica Linda M. Barker 1976-5-13 1473 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  RSA425151  Scrophularia californica Christopher Davidson 1973-5-29 2202 Humboldt 2 miles S of Carlotta on Hwy 36 61 Comment
  SEINET5223991  Scrophularia californica Unknown 2002-8-22 88 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  HSC56459  Scutellaria antirrhinoides Griswold, Butler 1979-7-12 7236 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC1222864  Scutellaria antirrhinoides Joseph P. Tracy 1951-6-26 19577 Humboldt Twin Lakes vicinity, Snow Camp to Twin Lakes Twin Lakes vicinity Comment
  UC1222865  Scutellaria antirrhinoides Joseph P. Tracy 1950-6-15 18788 Humboldt 7 mi n of Harris (Mail Ridge, Jenk's Ranch); Mail Ridge, Jenk's Ranch Comment
  UC604643  Scutellaria antirrhinoides Joseph P. Tracy 1938-6-9 15875 Humboldt near Blocksburg (2 mi s of town) 304 Comment
  HSC35354  Scutellaria siphocampyloides A. M. Montalvo, J. D. Ackerman 1975-6-22 483 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36 Comment
  HSC38769  Secale cereale A. M. Montalvo, J. D. Ackerman 1975-6-10 446 Humboldt 1 mi. N of Samoa Blvd. and turnoff to Samoa Bridge, S of Manila. Along Humboldt Bay. Comment
  HSC79269  Sedum laxum subsp. flavidum D. K. Imper 1983-7-13 Humboldt Six Rivers National Forest, Bennett Peak Comment
  HSC59361  Sedum laxum subsp. heckneri M. A. Baker 1979-7-8 621 Humboldt 2 km S of the junction of the roads to Blue Creek Mtn. and Onion Lake 1400 Comment
  UC14450  Sedum radiatum Chestnut and Drew 1888-7-9 Humboldt Campbell's Comment
  UC14456  Sedum radiatum Chesnut and Drew August, 1888 Humboldt Comment
  HSC98528  Sedum spathulifolium Cara Witte 2007-6-7 222 Humboldt Along National Forest 1. Approximately 1 mile north of cattle guard. Comment
  JEPS40925  Sedum spathulifolium Paul C. Hutchison 1962-7-13 2085 Humboldt mouth of Little River, Hwy 101, N end of bridge Trinidad Beach State Park Comment
  HSC48309  Sedum spathulifolium var. spathulifolium R. Sutherland 1978-4-22 1 .22478 Humboldt Along King's Crest Trail 1098 Comment
  HSC6481  Sedum spathulifolium var. spathulifolium B. R. Templeton 1962-5-24 Humboldt W side of Berry Summit Comment
  SEINET200600  Selaginella oregana J. P. Tracy 1928-4-29 8426 Humboldt Prairie Creek 153 Comment
  CAS-BOT-BC69737  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt Trinidad. 60 Comment
  CAS-BOT-BC69738  Selaginella wallacei Joseph P. Tracy 1932-3-20 9783 Humboldt Trinidad. 60 Comment
  UC1239800  Selaginella wallacei Joseph P. Tracy 1913-5-4 4062 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC249773  Selaginella wallacei Joseph P. Tracy 1924-3-9 6607 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC630453  Senecio glomeratus H. E. and S. T. Parks 1937-7-1 24033 Humboldt Spruce Cove Trinidad, Spruce Cove 60 Comment
  UC1239503  Senecio glomeratus Joseph P. Tracy 1938-6-7 15856 Humboldt 5 mi se Korbel; Canyon Creek 152 Comment
  HSC57419  Senecio integerrimus G. L. Clifton, Griswold 1979-7-26 10182 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  CAS-BOT-BC364018  Senecio integerrimus var. major L. B. Kildale 1928-5-27 5957 Humboldt Kneeland Prairie 853 Comment
  CAS-BOT-BC364021  Senecio integerrimus var. major Doris K. Kildale 1926-5-2 1896 Humboldt Willow Creek Flat 152 Comment
  HSC56367  Senecio integerrimus var. major Griswold, Butler 1979-7-10 6252 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  HSC82111  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-5-25 5250 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  UCD135598  Senecio minimus P. B. Kennedy 1925-8-29 s.n. Humboldt northeast Eureka. Comment
  HSC103247  Senecio sylvaticus Jenny Moore, Tom Carlberg 2014-9-2 Humboldt Six Rivers National Forest, Denny Quad, Grizzly Camp Trailhead. 1409 Comment
  CAS-BOT-BC364330  Senecio triangularis Joseph P. Tracy 1932-7-13 10523 Humboldt Trinity Summit. Corral Prairie 1584 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
  HSC100715  Senecio triangularis Carl C. Marshall Jul 1886 330 Humboldt Trinity Mtns. E of Hoopa. Comment
  RSA167391  Senecio triangularis Joseph P. Tracy 1950-7-31 19241 Humboldt Northeast side of top of Grouse Mountain. 1524 Comment
  HSC6134  Senecio vulgaris Paul Shields 1955-6-18 Humboldt H.S.C. campus Comment
  JEPS37267  Senecio vulgaris Lincoln Constance 1934-6-12 869 Humboldt Dyerville, Bull Creek road and n bank of South Fork Eel River South Fork Eel River, Bull Creek Region Comment
  HSC6129  Senecio vulgaris J. W. Johnson 1962-4-8 1215 Humboldt Arcata, Mad River Co. Park Comment
  HSC95584  Senecio vulgaris Andrea Pickart 2002-3-14 4 Humboldt Samoa Dunes, BLM Endangered Plant Protection Area 0 Comment
  SEINET7881647 Image available Senecio vulgaris H. E. Parks, S. T. Parks 1934-1 24234 Humboldt Spruce Cove, Trinidad 61 Comment
  CAS-BOT-BC85837  Sequoia sempervirens Doris K. Kildale 1926-8-23 2557 Humboldt North Fork of Eel River Comment
  CAS-BOT-BC85838  Sequoia sempervirens Doris K. Kildale 1927-5-15 3160 Humboldt Petrolia Bridge Mattole River Comment
  CAS-BOT-BC85840  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  JEPS48274  Sequoia sempervirens Willis Corbitt 1931-4-8 Humboldt Scotia Comment
  JEPS48277  Sequoia sempervirens Harry McGinite 1932-1 Humboldt Eureka Comment
  JEPS48279  Sequoia sempervirens Lincoln Constance 1934-6-4 822 Humboldt road to Dyerville (Look Prairie and Bull Cr.); Bull Creek region, South Fork Eel River Comment
  SDSU292  Sequoia sempervirens Wayne A. Bemis 1963-11-29 245 Humboldt 1289 D st Arcata. Empire series Sandstone, West slope. Ocean fog belt of North Coast. 55 Comment
  SEINET6727392  Sequoia sempervirens P. Lehenbauer 1854 Humboldt Near Eureka Comment
  SEINET11737925  Sequoia sempervirens J. P. Tracy 1950-1 19387 Humboldt At Park's place, Trinidad 61 Comment
  SEINET5334848  Sequoia sempervirens P. A. Lehenbauer 1857 Humboldt near Eureka Comment
  HSC19860  Sherardia arvensis Paul Shields May 1955 Humboldt Horse Mountain Comment
  HSC12661  Sherardia arvensis J. F. Knezevich 1968-5-21 444 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  HSC102917  Sidalcea M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1094 Humboldt Patterson Meadows 1555 Comment
  UCD116621  Sidalcea diploscypha K. Esau 1934-5-7 s.n. Humboldt above Fort Seward. 457 Comment
  HSC93948  Sidalcea malachroides Claire Golec 1999-6-2 Humboldt HB&M, old landing off of skid road, along ridgeline above Van Duzen River 427 Comment
  UC1197964  Sidalcea malachroides Joseph P. Tracy 1937-6-20 15358 Humboldt s Ferndale (Wild Cat Ridge); s of Ferndale, Wild Cat Ridge 457 Comment
  UC1197965  Sidalcea malachroides Joseph P. Tracy 1933-7-21 12819 Humboldt between Van Duzen Yager Creek (Redwood House); between Van Duzen and Yager Creek, Redwood House 762 Comment
  UC1197966  Sidalcea malachroides Joseph P. Tracy 1906-6-10 2472 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1197967  Sidalcea malachroides Joseph P. Tracy 1918-6-9 4952 Humboldt at Eureka; Northern Coast Ranges, at Eureka 0 Comment
  HSC35614  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  POM282897  Sidalcea malviflora subsp. malviflora Lyman Benson 1929-6-18 1733 Humboldt North of Arcata Comment
  HSC103244  Sidalcea malviflora subsp. patula John McRae, Carrie Schreiber 2010-6-18 Humboldt USDA Forest Service, Humboldt Nursery, Baird Rd., McKinleyville 15 Comment
  HSC56434  Sidalcea malviflora subsp. patula Griswold, Butler 1979-7-12 7148 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC104351  Sidalcea malviflora subsp. patula James Regan, Humboldt Redwood Co., LLC 2005-7-7 13 Humboldt Kneeland 854 Comment
  UC205633  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-8-29 5394 Humboldt Dows Prairie Northern Coast Region, around Humboldt Bay Comment
  UC902188  Sidalcea oregana subsp. eximia Joseph P. Tracy 1947-8-24 17898 Humboldt Box Camp Meadow , Box Camp Meadow (Trinity Summit) 1463 Comment
  HSC102530  Sidalcea oregana subsp. oregana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1517 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC57879  Sidalcea oregana subsp. spicata Overton, Butler 1979-7-31 11416 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC668132  Sidalcea oregana subsp. spicata Joseph P. Tracy 1937-8-12 15653 Humboldt Snow Camp 1402 Comment
  UC1137920  Silene californica H. S. Yates 1936-6-23 5874 Humboldt 4 mi nne Cathay Peak; Dyerville Quad., nne of Cathay Peak Comment
  HSC74456  Silene campanulata Gail Newton 1980-8-10 2011 Humboldt Near Blake Mtn. 1798 Comment
  RSA46893  Silene gallica Doris K. Kildale 1927-5-15 3166 Humboldt Cape Mendocino Comment
  CAS-BOT-BC181220  Silene hookeri subsp. bolanderi Volney Rattan 1883-1-1 s.n. Humboldt Mad River Comment
  HSC23733  Silene laciniata subsp. californica Tim Baroni 1971-7-6 114 Humboldt 3 mi. S of Ferndale on Mattole Rd. Comment
  HSC38072  Silene laciniata subsp. californica Thomas W. Nelson, James Nelson 1976-5-30 2635 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC56422  Silene laciniata subsp. californica Griswold, Butler 1979-7-10 7104 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC68116  Silene laciniata subsp. californica J. P. Smith 1973-5-26 6819 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1198794  Sisymbrium officinale Joseph P. Tracy 1904-7-24 2125 Humboldt immediate vicinity of Eureka 0 Comment
  UC1198796  Sisymbrium officinale Joseph P. Tracy 1932-7-17 10658 Humboldt Trinity Summit at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit, Corral Prairie 1524 Comment
  SEINET3876425  Sisyrinchium bellum C. C. Harris 1942-6-9 1219 Humboldt 3 miles north and 1 mile west of Fernbridge.; 0 33 Comment
  RSA311326  Sisyrinchium californicum Robert F. Thorne 1957-9-3 19018 Humboldt Patricks Point State Park. Comment
  UC1197800  Smilacina racemosa Joseph P. Tracy 1908-6-9 2664 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC275554  Smilacina stellata Joseph P. Tracy 1924-9-7 Humboldt Table Bluff Northern Coast Ranges 182 Comment
  UC13803  Smilax californica Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pum Comment
  HSC89586  Solanum aviculare M. Roantree 1985-5-24 57 Humboldt W side of Trinidad Head, along trail Comment
  CAS-BOT-BC83504  Solanum lycopersicum Henry M. Pollard 1948-7-21 s.n. Humboldt Orleans Comment
  HSC96295  Solanum parishii J. Breton, A. Livingston 2005-6-15 12 Humboldt NE of Grouse Mtn. 1327 Comment
  SEINET6030917  Solanum sarachoides Joseph P. Tracy 1940-10-15 16758 Humboldt Trinity River Valley, Willow Creek Comment
  UC577403  Solanum umbelliferum Joseph P. Tracy 1937-6-20 15340 Humboldt Bear River, 10 mi up stream from the mouth Bear River 152 Comment
  CAS-BOT-BC365436  Solidago elongata Doris K. Kildale 1926-7-11 2369 Humboldt Capetown - Ferndale road near Mountain Glen Comment
  HSC48316  Solidago elongata Brad Klipfel 1973-8-3 306 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56455  Solidago elongata Griswold, Butler 1979-7-12 7232 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC100448  Solidago elongata Carl C. Marshall Sep 1887 441 Humboldt Near tunnel, Table Bluff. Comment
  CAS-BOT-BC365667  Solidago spathulata A. A. Heller 1924-7-22 13872 Humboldt At Samoa opposite Eureka Comment
  CAS-BOT-BC365672  Solidago spathulata Doris K. Kildale 1926-4-9 1745 Humboldt Samoa Peninsula Comment
  HSC6200  Solidago spathulata D. K. Smith 1968-11-9 61 Humboldt Mad River Rd. Comment
  POM179780  Solidago spathulata H. P. Chandler 1901-05 1203 Humboldt Humboldt Bay. 30 Comment
  RSA21022  Solidago spathulata C. B. Wolf 1937-9-12 9332 Humboldt Clam Beach. 8 Comment
  RSA474068  Soliva sessilis J. P. Smith 1977-4-23 9019 Humboldt 2.5 miles S of Shelter Cove Road. S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC57108  Sonchus asper Overton, Butler 1979-7-25 9846 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  CAS-BOT-BC374428  Sonchus asper Joseph P. Tracy 1932-5-22 10115 Humboldt North Coast Ranges. South Fork of Eel River, between Miranda and Redway 91 Comment
  HSC6217  Sonchus asper J. W. Johnson 1962-6-12 1410 Humboldt Arcata; between the foredunes, at foredune 39, Samoa Comment
  HSC40944  Sonchus oleraceus Linda M. Barker 1976-6-1 1546 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  POM312952  Sparganium angustifolium subsp. emersum S. Galen Smith, Malcolm A. Nobs 1949-8-9 1228 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  JEPS83447  Spartina densiflora Ken Berg 1986-7-28 637 Humboldt foot of I St. Arcata; Humboldt Bay, Arcata Comment
  RSA624783  Spartina densiflora Gordon Leppig, Kai Neander 1999-4-30 1130 Humboldt Eureka, 30 m south of Del Norte St. fishing pier 1 Comment
  HSC59047  Spergula arvensis Thomas Wood 1979-4-4 93 Humboldt Near Arcata, 3/4 mi. W on Lanphere Rd. after triple intersection with Upper Bay Rd. and Mad River Rd. 0 Comment
  RSA246885  Spergula arvensis R. F. Thorne, Percy C. Everett 1965-8-5 35149 Humboldt Samoa Dunes. 3 Comment
  HSC83996  Spergula arvensis L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 221 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  HSC89444  Spergula arvensis P. A. Daly 1986-2-23 51 Humboldt Along trails at Trinidad Head 6 Comment
  HSC89910  Spergularia macrotheca Leonel Arguello 1989-6-24 Humboldt Lanphere-Christensen Dunes Preserve 3 mi. W of Arcata. End of Fernstrom-Root trail Comment
  CAS-BOT-BC149613  Spiraea douglasii Malcom A. Nobs; S. Galen Smith 1949-8-9 1226 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley Comment
  SEINET11919281  Spiraea douglasii H. P. Chandler 1901-1 1197 Humboldt Humboldt Bay Comment
  HSC55605  Spiraea splendens var. splendens Overton, Butler 1979-7-23 9444 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC28141  Spiranthes romanzoffiana J. D. Ackerman 1973-8-29 119 Humboldt Big Lagoon Beach Co. Park, 8 mi. N of Trinidad Comment
  HSC36652  Spiranthes romanzoffiana J. D. Ackerman 1975-8-2 620 Humboldt W end of Samoa Bridge at intersection of Hwy. 255 and Samoa Blvd. N spit, Humboldt Bay. 8 Comment
  HSC90473  Spiranthes romanzoffiana Jean Hanson 1980-8-28 124 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka. W end of island between dikes. Comment
  HSC98653  Spiranthes romanzoffiana Cara Witte 2007-7-26 594 Humboldt Board Camp Mountain. Intersection of Forest Service Road 4N38 and National Forest 1. 1395 Comment
  UC1222863  Stachys ajugoides var. ajugoides Joseph P. Tracy 1951-6-21 19526 Humboldt back of Everett Beck's Ranch house (bed of former Goose Lake); Goose Lake, Hydesville Comment
  UC535709  Stachys ajugoides var. rigida Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  UCLA71116  Stachys ajugoides var. rigida H. Lewis 1940-7-2 Humboldt Stone Lagoon Comment
  UC668220  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16131 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  UCLA71114  Stachys ajugoides var. rigida C. Epling Jun 1938 Humboldt above Redwood Creek Comment
  UCLA71115  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Little River Beach State Park Comment
  HSC49033  Stachys mexicana Patricia Shesgreen 1978-5-5 68 Humboldt 17.4 mi. S of Ferndale on Mattole Rd. 91 Comment
  RSA20856  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8896 Humboldt 1/2 mile S of Fortuna. 15 Comment
  SEINET12273953  Stachys rigida var. quercetorum J. P. Tracy 1950-1 18742 Humboldt at crossing of Bear River, near Petrolia, hills between town & Ocean 30 Comment
  HSC34274  Stachys rigida var. rigida K. Irwin 1975-8-13 Humboldt Grogans Hole area Comment
  HSC54885  Stachys rigida var. rigida G. L. Clifton, Griswold 1979-7-25 10894 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC4272  Stellaria media S. J. Hawks 1965-4-3 13 Humboldt W of Eureka City Airport Comment
  UC1198283  Stellaria media Joseph P. Tracy 1923-4-15 6185 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  HSC4269  Stellaria media Elrid H. Spinas 1948-5-22 30 Humboldt Horse Mtn. Comment
  HSC103125  Stenanthium occidentale M. Mesler, Robin Bencie 2009-7-7 808 Humboldt Big Hill Rd, near Domingo Creek. 1367 Comment
  UC204696  Stephanomeria elata Joseph P. Tracy 1918-9-29 5104 Humboldt 4 mi above mouth of South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  HSC6235  Stephanomeria exigua Richard Spjut 1968-11-2 256 Humboldt On the SW slope of Chaparral Mtn. 915 Comment
  BLMAR45  Stipa lemmonii Brad Barr June, 1982 45 Humboldt King range, Spanish Ridge, south facing slope Comment
  UCD116417  Streptanthus tortuosus Richard Spellenberg 1965-6-14 1130 Humboldt south of airport, about 5 miles east of Kneeland. Comment
  HSC99005  Streptanthus tortuosus var. tortuosus Cara Witte 2008-6-15 730 Humboldt Coldspring Camp. 1460 Comment
  UC175818  Streptopus amplexifolius var. americanus Joseph P. Tracy 1912-8-1 3956 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC269566  Symphoricarpos albus var. laevigatus E. A. McGregor 1921-8-2 s.n. Humboldt Requa and vicinity. 6 miles E. up Klamath River on Terwah Road Comment
  HSC3999  Symphoricarpos albus var. laevigatus J. E. Lankila 1962-5-14 18 Humboldt W bank of Eel River across from Shively abour 500 ft. N of Bear Creek. Comment
  UC1222985  Symphyotrichum hendersonii Joseph P. Tracy 1950-8-7 19271 Humboldt Box Camp Trinity Summit 1463 Comment
  JEPS40779  Symphyotrichum subspicatum W. L. Jepson 1936-8-17 17913 Humboldt 2 mi s, near Still's Ranch Field's Landing Comment
  SEINET11071783 Image available Symphytum asperum Johnnie L. Gentry Jr., Earl Jensen 1968-1 2120 Humboldt Approx. 2 miles east of Hwy. jct. US 101 & Tompkins Hill Rd., on Tompkins Hill Road, south of Eureka 30 Comment
  JEPS9927  Synthyris reniformis Joseph P. Tracy 1923-3-10 6152 Humboldt Van Duzen River, near Grizzly Creek; Van Duzen River 91 Comment
  UC1199274  Tanacetum balsamita Joseph P. Tracy 1936-6-21 14990 Humboldt Iaqua, near abandoned ranch site Iaqua 609 Comment
  HSC12247  Tanacetum bipinnatum S. J. Hawks 1965-5-18 72 Humboldt Clam Beach Comment
  SEINET3816603  Tanacetum bipinnatum J. P. Tracy 1901-8-7 1269 Humboldt Sand hills of ocean beach at Samoa, opp eureka Comment
  UCD136742  Tanacetum bipinnatum Linda M. Barker 1976-6-1 1561 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCSB6706  Tanacetum bipinnatum Phillips, Priscilla 1960-7-2 Humboldt Big Lagoon Park, north of Trinidad, Route 101 Comment
  RSA21034  Tanacetum camphoratum C. B. Wolf 1937-6-18 8903 Humboldt Centerville Beach 3 Comment
  RSA246918  Tanacetum douglasii R. F. Thorne, Percy C. Everett 1965-8-5 35167 Humboldt Samoa Dunes. 3 Comment
  RSA167250  Taraxacum laevigatum Joseph P. Tracy 1951-6-24 19542 Humboldt Ashfield Ridge 762 Comment
Read comments Aug 15 2009
  HSC6259  Taraxacum officinale S. R. Johnson 1965-3-16 13 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC89598  Taraxacum officinale M. Roantree 1985-4-28 22 Humboldt Trinidad Head; Summit near antenna Comment
  CAS-BOT-BC85214  Taxus brevifolia Doris K. Kildale 1926-8-31 2601 Humboldt Union Mattole - Geo. 7 Niner Ranch, Mattole River Valley Comment
  HSC38097  Taxus brevifolia Thomas W. Nelson, James Nelson 1976-5-30 2619 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC48986  Taxus brevifolia M. A. Baker 1979-5-25 764 Humboldt Comment
Read comments Feb 15 2013
  HSC20425  Tellima grandiflora J. F. Knezevich 1968-5-23 459 Humboldt Above Trinidad, N end of Big Lagoon 0 Comment
  JEPS60709  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1933-5-20 12256 Humboldt Mattole Valley Northern Coast Ranges 30 Comment
  UC1196171  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1929-8-18 8655 Humboldt on river opposite Buck Mountain; Northern Coast Ranges, Van Duzen River, Dinsmore's Ranch 670 Comment
  HSC18237  Thalictrum polycarpum S. S. Stutz 1963-5-18 61 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  UC667955  Thelypteris nevadensis Joseph P. Tracy 1937-7-25 15556 Humboldt ne of Hawkins Bar (Happy Camp Mt.); Trinity Summit Range 1280 Comment
  CAS-BOT-BC81309  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt along road from Blue Lake to Willow Creek (Lord Ellis Road) 9 miles above Blue Lake 243 Comment
  CAS-BOT-BC81311  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt along the Blue Lake to Willow Creek Road (Lord Ellis Road), 9 miles above Blue Lake 243 Comment
  UCD134036  Thuja plicata Roman Gankin 1965-8-6 557 Humboldt On Matolle Road, 7.4 miles northeast of Capetown. Comment
  CAS-BOT-BC88328  Thysanocarpus curvipes Lincoln Constance; Reed C. Rollins 1942-5-12 2884 Humboldt Klamath-Siskiyou Region. Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 152 Comment
  CAS-BOT-BC88327  Thysanocarpus curvipes Mark Bransom; Daniel Brown; Ron Hildebrandt; Nina Meiselman 1986-4-19 30 Humboldt Across Route 299 from sign for White's Bar Picnic area. Comment
  HSC20437  Tiarella trifoliata var. unifoliata D. E. Anderson 1961-9-30 1849 Humboldt Blue Lake Comment
  HSC64218  Tiarella trifoliata var. unifoliata J. O. Sawyer, M. A. Ericksen 1979-6-23 3383 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC97516  Tolmiea diplomenziesii Kay Izlar 2001-3-24 7 Humboldt HSU forest along Jolly Giant Creek 43 Comment
  UC169326  Tonella tenella Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5388 Humboldt near Hubbard's Station; North Coast Ranges Comment
  UC902213  Tonella tenella Joseph P. Tracy 1949-6-6 18307 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range 1280 Comment
  HSC97505  Tonella tenella Cara Witte 2007-5-22 74 Humboldt Cold Spring. 0.5 miles south of Titlow Hill. 1422 Comment
  HSC72099  Torilis arvensis J. P. Smith, L. Barker, J. Cole 1976-7-27 8948 Humboldt Berry Summit on abandoned hwy. Comment
  CAS-BOT-BC239834  Torreyochloa pallida var. pauciflora Catherine Best 1990-6-25 1424 Humboldt In Fern Canyon Comment
  UCD116958  Toxicodendron diversilobum Linda M. Barker 1976-9-3 1697 Humboldt 3 miles west of Arcata. Comment
  UCD96048  Trautvetteria caroliniensis Joseph P. Tracy 1948-9-5 18169 Humboldt Trinity Summit Range. Happy Camp Mt. 1280 Comment
  SEINET200361  Trautvetteria caroliniensis var. occidentalis Joseph P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mountain; Trinity Summit Range; Northeast of Hawkins Bar. 1280 Comment
  UC1137622  Trichostema laxum R. Stahelin 1933-8-20 Humboldt Korbel, above Camp 8 Comment
  UC198890  Trichostema laxum Chestnut and Drew Humboldt Kneeland Prairie Comment
  BLMAR385  Trifolium angustifolium Jennifer Anthony-Wheeler 2004-6-28 385 Humboldt King range, Mouth of Mattole River, along road in willow thickets 36 Comment
  RSA170210  Trifolium arvense Joseph P. Tracy 1941-7-26 16970 Humboldt Eureka (G Street near 9th) Comment
  UC1103431  Trifolium barbigerum Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3636 Humboldt Eureka Northern Coast Ranges Comment
  UC16425  Trifolium barbigerum J. Burtt Davy 1899-6-17 5603 Humboldt Arcata Comment
  UC1197493  Trifolium barbigerum Joseph P. Tracy 1904-4-24 2027 Humboldt Ocean Beach Humboldt Bay Comment
  UC1223508  Trifolium barbigerum Joseph P. Tracy 1935-5-25 13881 Humboldt North Dobbin Creek and near same along the Alder Point Rd Dobbyn Creek 152 Comment
  UC1197495  Trifolium cyathiferum Joseph P. Tracy 1933-7-15 12735 1/2 Humboldt lower foothills of nw slope; Buck Mtn Comment
  UC1223483  Trifolium cyathiferum Joseph P. Tracy 1937-7-19 15458 Humboldt lower foothills northwest slope; Buck Mtn Comment
  UC1223485  Trifolium cyathiferum Joseph P. Tracy 1933-7-25 12850 Humboldt near Clear Lake; Grouse Mtn. 1524 Comment
  UC198658  Trifolium dubium Joseph P. Tracy 1913-5-31 4699 Humboldt along Eel River (Holmes Flat, from South Fork to Scotia); Northern Coast Ranges 60 Comment
  UCD108818  Trifolium dubium Linda M. Barker 1976-5-13 1476 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCD108864  Trifolium dubium A. H. Murphy 1947-4-25 s.n. Humboldt 2 miles N of Blocksburg, W. Smith Ranch. Comment
  HSC15122  Trifolium fucatum D. B. Bader 1963-4-1 6 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101, along the R.R. tracks Comment
  HSC77396  Trifolium fucatum L. P. Janeway 1983-5-12 291 Humboldt At HBMWD park no. 4 along Warren Cr. Rd., parking area on the S bank of the Mad River 15 Comment
  UC1223458  Trifolium fucatum Joseph P. Tracy 1938-6-17 15950 Humboldt s Cape Ridge (near ocean); Cape Mendocino Comment
  RSA90948  Trifolium fucatum var. fucatum F. W. Peirson 1926-7-12 7032 Humboldt Orick Comment
  UC16569  Trifolium hybridum Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5601 Humboldt Arcata Comment
  CHSC69825  Trifolium incarnatum J. P. Smith; J. O. Sawyer, Tom Nelson 1972-4-22 Humboldt Freeway exit at Benbow. Planted by the Department of Highways. Comment
  HSC100251  Trifolium incarnatum J. P. Smith, & J. O. Sawyer 2010-5-2 12808 Humboldt Along Hwy. 96, N of Orleans 140 Comment
  RSA232726  Trifolium incarnatum Larry E. DeBuhr, Gary D. Wallace 1972-5-22 605 Humboldt Along Hwy. 299 west of Arcata. Comment
  HSC70238  Trifolium longipes M. A. Baker 1980-6-8 1902 Humboldt Near Buck Flat. 1554 Comment
  HSC75475  Trifolium longipes J. O. Sawyer 1980-7-18 3622 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS65953  Trifolium microcephalum W. L. Jepson 1932-7-26 16401 Humboldt Bull Creek Comment
  UC495695  Trifolium microcephalum Joseph P. Tracy 1932-5-1 9893 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UC1197506  Trifolium microdon Joseph P. Tracy 1917-5-30 4800 Humboldt Little River Beach Northern Coast Region 6 Comment
  UC1197504  Trifolium obtusiflorum Joseph P. Tracy 1914-5-30 4480 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UC1197503  Trifolium obtusiflorum Joseph P. Tracy 1903-5-24 1916 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  POM162075  Trifolium oliganthum Joseph P. Tracy 1921-4-24 5438 Humboldt Phillipsville. Facing south fork of Eel River. 122 Comment
  UC1197499  Trifolium oliganthum Joseph P. Tracy 1906-6-10 2471 Humboldt near Wrangleton (Kneeland Prairie); Northern Coast Ranges 152 Comment
  RSA43865  Trifolium pratense H. M. Pollard 1947-8-9 s.n. Humboldt Roadside west of Orleans Comment
  HSC58031  Trifolium repens G. L. Clifton 1979-7-31 11852 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  BLMAR745  Trifolium subterraneum Jennifer Wheeler 2015-5-18 745 Humboldt King range, strawberry rock grazing allotment down windy point 243 Comment
  UC1223321  Trifolium variegatum var. melananthum Joseph P. Tracy 1935-5-25 13861 Humboldt Fort Seward 106 Comment
  UC169057  Trifolium variegatum var. melananthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3594 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC1223530  Trifolium variegatum var. melananthum Joseph P. Tracy 15374 Humboldt opposite Willow Creek (same place as no. 15331 and 15331 1/2); Trinity River Valley Comment
  JEPS4144  Trifolium variegatum var. variegatum Joseph P. Tracy 1929-5-5 8570 Humboldt Miranda Northern Coast Ranges, South Fork Eel River 121 Comment
  CHSC68791  Triglochin maritima Vernon Oswald 1997-6-5 8531 Humboldt Arcata Oxidation Ponds on South G St., south of Hwy. 255. 6 Comment
  HSC62989  Triglochin maritima David Wheeler 1979-4-22 79 Humboldt Mad River Slough, 1 mi. W of the intersection of Mad River Rd. and Iverson Rd. Comment
  HSC44286  Trillium ovatum D. L. Goforth 1977-4-23 2 Humboldt 2.5 mi.. S of Shelter Cove Rd. S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC57025  Trillium ovatum Overton, Butler 1979-7-24 9646 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  SDSU11977  Trillium ovatum D. R. Harvey 1938-8-13 2253 Humboldt Redwood Park Comment
  HSC15695  Trillium ovatum Francis Winter 1960-5-23 Humboldt 2 mi. E of Korbel, Korbel-Maple Creek Rd. 183 Comment
  SEINET12048689  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -176 Humboldt ca 0.4 mi S towards Redcrest on Avenue of Giants from junction with US 101 15 Comment
  JEPS26159  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1904-4-24 2019 Humboldt sand dunes of Ocean Beach at Humboldt Bay Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  JEPS11165  Triphysaria versicolor subsp. versicolor J. P. Tracy 1944-5-14 17467 Humboldt Eureka Comment
  UCD123426  Triphysaria versicolor subsp. versicolor Linda M. Barker 1976-4-13 1424 Humboldt 3 miles west of Arcata. Comment
  RSA249348  Triphysaria versicolor subsp. versicolor James Payne Smith 1974-5-16 7370 Humboldt Arcata; growing in abundance in the Median strip along Samoa Blvd. near Sunny Brae. Comment
  CAS-BOT-BC199619  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point on Eel River 152 Comment
  CAS-BOT-BC193516  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka 60 Comment
  UCD93900  Trisetum cernuum H. E. Parks; S. T. Parks 1952-6-1 7551 Humboldt Spruce Cove, Trinidad. 60 Comment
  HSC98366  Triteleia bridgesii T. Jimerson, J. Pageau 1979-5-24 472 Humboldt Near Orleans 226 Comment
  HSC77401  Triteleia bridgesii L. P. Janeway 1983-5-29 319 Humboldt Along rd. to Fish Lake, 0.1 mi. W of Hwy. 96 152 Comment
  RSA256582  Triteleia bridgesii D. E. Anderson 1972-6-20 5725 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  HSC53803  Triteleia hyacinthina Griswold, Butler 1979-7-10 6233 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  UCSB13001  Triteleia hyacinthina Muller, Katherine 1954-6-21 Humboldt Olson Creek, 2 mi E. NE. of Mad River Comment
  UC1197712  Triteleia hyacinthina Joseph P. Tracy 1932-6-26 10268 Humboldt Fort Baker Ranch 762 Comment
  UC1197720  Triteleia laxa J. P. Tracy 1901-6-23 1188 Humboldt fields near Ryans Slough Hill; immediate vicinity of Eureka 0 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
  POM212073  Tsuga heterophylla C. B. Wolf 1930-10-25 1763 Humboldt 12 miles above Blue Lake along Blue Lake to Willow Creek Road (Lord Ellis Road). 305 Comment
  HSC41923  Umbellularia californica Ed Cope 1977-4-23 25 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA46914  Umbellularia californica Doris K. Kildale 1925-12-27 1447 Humboldt Kneeland. 762 Comment
  HSC62761  Urtica dioica subsp. gracilis J. M. DiTomaso 1979-4-21 889 Humboldt 50 yds. from Little River, 200 yds. from beach, 11 mi. N of Arcata. Comment
  SEINET200749  Urtica dioica subsp. gracilis Joseph P. Tracy 1926-5-25 7516 Humboldt Around Humboldt Bay. Elk River Valley. 30 Comment
  CAS-BOT-BC199223  Vaccinium membranaceum Joseph P. Tracy 1935-7-22 14121 Humboldt Forks of Tish-Tang-a-Tang Creek, Trinity Summit 1371 Comment
  HSC7906  Vaccinium ovatum J. W. Johnson 1962-3-25 1418 Humboldt Arcata, along section line, Christenson Farm, Samoa Peninsula Comment
  HSC7917  Vaccinium ovatum D. E. Anderson 1961-9-23 1832 Humboldt 2.3 mi. S of Kneeland corner Comment
  JEPS58741  Vaccinium ovatum Mr. and Mrs. George Parrish 1930-5-21 Humboldt Trinidad Comment
  POM285977  Vaccinium ovatum Lyman Benson 1927-7-11 56 Humboldt Weott Ranger Station. 107 Comment
  SEINET3107074  Vaccinium ovatum Steve Selva, Roger Jensen 1974-8-28 96 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  UC1225908  Vaccinium ovatum Joseph P. Tracy 1943-3-14 17409 Humboldt 5 mi e Carlotta (by old Strong's District School House) 60 Comment
  UCD118072  Vaccinium ovatum Linda M. Barker 1976-4-30 1423 Humboldt 3 miles west of Arcata. Comment
  RSA471151  Vaccinium parvifolium H. E. McMinn 1931-6-29 2543 b Humboldt Orick to Requa. Comment
  UC22217  Vaccinium parvifolium Harley P. Chandler May 1901 1182 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UCSC000556  Vaccinium parvifolium C. R. Clar 1930-7-14 99 Humboldt Hoopa, Supply Creek, Hoopa Indian Reservation 762 Comment
  CAS-BOT-BC199494  Vaccinium uliginosum Doris K. Kildale 1925-8-18 1257 Humboldt Trinity Summit - McKay's [McKay] Prairie 1524 Comment
  SEINET12335251  Valeriana sitchensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -313 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC3383  Vancouveria hexandra Frances Oldridge 1946-1 Humboldt Eureka Comment
  HSC99654  Vancouveria hexandra Overton, Butler 1979-7-24 9673 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1196350  Vancouveria hexandra J. P. Tracy 1901-6-10 1135 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC1537345  Vancouveria hexandra Gordon H. True Jr. 1936-5-12 470 Humboldt 5 mi s Kneeland; s of Kneeland 457 Comment
  HSC49387  Vancouveria hexandra R. York 1979-4-9 213 Humboldt Behind Humboldt State University Comment
  HSC76279  Vancouveria planipetala Teresa Prendusi 1981-7-7 123 Humboldt Near Slate Creek Butte. 1158 Comment
  HSC65844  Veratrum insolitum Gail Newton 1980-6-16 154 Humboldt Near Monks Camp. 1097 Comment
  UC1198211  Veratrum insolitum Joseph P. Tracy 1947-7-5 17820 1/2 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC21740  Verbena lasiostachys var. lasiostachys Paul Shields Aug 1955 Humboldt 5 mi. N of Meyers Flat. Comment
  HSC24393  Veronica americana J. O. Sawyer 1970-6-24 2251 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  RSA246672  Veronica americana Robert F. Thorne, Percy C. Everett 1965-8-9 35319 Humboldt Clam Beach County Park: along highway. 3 Comment
  UC902233  Veronica arvensis Joseph P. Tracy 1942-5-16 17345 Humboldt Garberville 152 Comment
  SEINET6988462 Image available Veronica peregrina var. xalapensis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  BLMAR419  Veronica scutellata Jennifer Wheeler 2007-8-24 419 Humboldt South Spit, east side of road Comment
  HSC28231  Veronica scutellata John R. Keith 1973-5-15 Humboldt Abandoned log pond about 200 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  JEPS29846  Veronica scutellata Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7836 Humboldt about 1 mi w of Carlotta (or about 0.5 mi e of Hydesville) Comment
  CDA41766  Veronica serpyllifolia subsp. humifusa P. Haggard 1998-6-12 s.n. Humboldt North Coast Ranges; Town of Fieldbrook. 0 Comment
  RSA730595  Veronica serpyllifolia subsp. humifusa Robert F. Thorne, Percy C. Everett 1965-8-8 35263 a Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  HSC98614  Vicia americana var. americana Cara Witte 2008-7-2 803 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  UCR84713  Vicia benghalensis Kathy Harper 1992-5-14 s.n. Humboldt Coast Range, Van Duzen River, c. 1.5 mi. west of Bridgeville on State Hwy 36 195 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
  UC17003  Vicia gigantea Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5434 Humboldt near Hubbard Station Comment
  HSC33770  Vicia hirsuta Paul Dryden 1975-5-24 202 Humboldt Samoa Dunes, across from the boat landing. Comment
  UC169307  Vicia hirsuta Joseph P. Tracy 1912-7-7 3738 Humboldt Eureka; Northern Coast Region 0 Comment
  JEPS29847  Vicia sativa subsp. nigra Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7837 Humboldt about 1 mi w of Carlotta (or 1/2 mi e of Hydesville) Comment
  UCD108987  Vicia sativa subsp. nigra W. A. Williams 1951-6-1 s.n. Humboldt location unknown. Comment
  RSA8438  Vicia villosa I. L. Wiggins 1932-7-7 5880 Humboldt Near Samoa, on the landward side of the sand dunes. Comment
  HSC104036  Vicia villosa subsp. villosa E. R. Fyer 2015-4-26 22 Humboldt At turnout off Samoa Blvd., at railroad bridge 3 Comment
  JEPS66199  Vicia villosa subsp. villosa Lincoln Constance 1934-6-25 932 Humboldt across road from Collin's Englewood Campground (Bull Creek Region, South Fork Eel River, on e side of road at Englewood); Bull Creek Region, South Fork Eel River, Englewood Comment
  HSC3232  Vinca major S. J. Hawks 1965-4-6 85 Humboldt Luffenholtz Beach Comment
  CAS-BOT-BC263952  Viola adunca L. B. Kildale 1926-3-30 1537 Humboldt Big Lagoon Comment
  HSC73065  Viola adunca M. A. Baker 1980-6-16 1948 Humboldt Near Onion Mtn. 1280 Comment
  HSC96079  Viola adunca Andrew Byers, Stuart E. Richardson, III 2005-6-10 8 Humboldt 7.4 mi. S of Hwy. 299 on NF1; Coldspring Camp 1357 Comment
  RSA77779  Viola adunca F. W. Peirson 1926-7-12 7028 Humboldt West slope of Coast Range back of Orick. Comment
  HSC33148  Viola cuneata Thomas W. Nelson, J. Cole, Brad Klipfel 1974-5-8 1244 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  HSC48412  Viola glabella Brad Klipfel 1973-6-10 84 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC45496  Viola glabella Maralyn O'Meara 1972-6-8 97 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  UC35267  Viola glabella W. C. Blasdale 1896-6-5 Humboldt Fitzgerald's Comment
  HSC21865  Viola hallii Paul Shields May 1955 Humboldt Kneeland Comment
  RSA46691  Viola hallii Doris K. Kildale 1938-6-5 15398 Humboldt Horse Mountain Comment
  UC1198441  Viola hallii Joseph P. Tracy 1933-7-11 12664 Humboldt Horse Mountain 1432 Comment
  HSC41234  Viola hallii Brad Klipfel 1974-5-8 324 Humboldt Horse Mtn.; E of the towers Comment
  SEINET201005 Image available Viola palustris J. P. Tracy 1904-7-31 2126 Humboldt Eureka 61 Comment
  HSC90167  Viola praemorsa subsp. praemorsa Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 61 Humboldt Titlow Hill Rd., 0.5 mi. S of its intersection with Hwy. 299 854 Comment
  UC668242  Viola sempervirens Joseph P. Tracy 1938-4-5 15706 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 457 Comment
  RSA121893  Vitis californica H. S. Yates 1936-6-24 5871 Humboldt 2 miles E of Bear Butte. Comment
  HSC9835  Vulpia bromoides R. H. Berg 1963-3-9 6 Humboldt Fickle Hill area, Arcata. Comment
  UC212886  Vulpia microstachys var. microstachys Joseph P. Tracy 1919-5-31 5161 Humboldt near Willow Creek (hillslopes at the w side of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  CAS-BOT-BC184234  Vulpia microstachys var. pauciflora Joseph P. Tracy 1933-6-13 12599 Humboldt Hoopa Mountain. Near summit on road west from Hoopa to Bair's 1066 Comment
  CAS-BOT-BC184235  Vulpia microstachys var. pauciflora S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3431 Humboldt Northwest slopes of Buck Mountain 822 Comment
  SEINET200329  Vulpia microstachys var. pauciflora Joeseph P. Tracy 5818 Humboldt Kneeland Prairie 762 Comment
  HSC71718  Vulpia myuros M. A. Baker 1980-6-26 2446 Humboldt Near Sims Creek 610 Comment
  HSC73581  Vulpia myuros Gail Newton 1980-7-14 1482 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC9926  Vulpia myuros E. W. Styskel 1964-4-3 56 Humboldt 0.25 mi. S of Garberville along Sprowl Creek Rd. Comment
  UCD94898  Vulpia myuros var. hirsuta A. Murphy 1951-4-2 s.n. Humboldt along Highway 101, 0.75 mile south of Phillipsville. Comment
  HSC104099  Whipplea modesta Monica Rodriguez, William A. Worley 2015-4-11 27 Humboldt Rock Creek Ranch property; along South Fork Rd, 8.2 mi. from 199 Redwood Hwy. 134 Comment
  POM281864B  Woodwardia fimbriata Lyman Benson 1928-7-9 396 Humboldt Weott Ranger Station. Seaward N Coast Range, S Fork Eel River watershed. 61 Comment
  UC419036  Wyethia longicaulis H. E. Parks May 1930 740 Humboldt Laribee Valley Comment
  UC535716  Xanthium strumarium Eleanor Armstrong 1934-8-2 1135 Humboldt Richardson Grove 121 Comment
  BLMAR415  Xanthium strumarium Jennifer Wheeler 2007-8-22 415 Humboldt South Spit, East side of road, near ecotone between atriplex and dune swale Comment
  JEPS41266  Xanthium strumarium W. L. Jepson 1936-8-12 17876 Humboldt South Fork Eel River at Philipsville; South Fork Eel River, Philipsville Comment
  SD51273  Xerophyllum tenax Darley F. Howe 1961-8-2 3123 Humboldt 24 miles east of Orick, on Bald Mountain Road. Comment
  CAS-BOT-BC527078  Xerophyllum tenax Volney Rattan 1903-1-1 s.n. Humboldt Near Mad River Bridge Comment
  HSC25957  Zeltnera muehlenbergii Thomas W. Nelson 1970-10-31 285 Humboldt Eel River near the N end of the Scotia Bluff Comment
  UCSB26612  Zeltnera muehlenbergii Havlik, Neil 1968-8-22 Humboldt Bull Creek Flat; Humboldt Redwoods State Park Comment
  HSC73063  Zigadenus micranthus M. A. Baker 1980-6-16 1959 Humboldt Near Onion Mtn. 1280 Comment
  UC275515  Zigadenus micranthus var. micranthus Joseph P. Tracy 1924-7-4 6521 Humboldt Valley South Yager Creek; Northern Coast Ranges, Valley South Yager Creek 762 Comment
  UC175304  Zostera marina Joseph P. Tracy 1913-9-21 4408 Humboldt abundantly washed ashore on Samoa beach, doubtless washed from Humboldt Bay or Eel River Comment



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
0.16 processing seconds