Search Results — 2000 specimen records retrieved (1334 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC102514  Abies concolor M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1500 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC73162  Abies concolor Gail Newton 1980-6-28 711 Humboldt Near Mad River Butte. 1536 Comment
  HSC73215  Abies procera Gail Newton 1980-6-24 603 Humboldt Near Ladder Rock 1570 Comment
  HSC16130  Abronia latifolia I. L. Wiggins 1932-7-19 5888 Humboldt Near Clam Beach, 8 mi. N of Arcata Comment
  HSC90244  Abronia latifolia Jean Hanson 1980-5-24 56 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  JEPS61219  Abronia umbellata William S. Cooper 1925-7-30 128 Humboldt Little River Comment
  SEINET8215832  Abronia umbellata H. E. Parks 1941-1 242112 Humboldt Little River. Comment
  HSC16139  Abronia umbellata var. breviflora R. C. Hoover 1965-5-18 53 Humboldt Clam beach. Comment
  CAS-BOT-BC330548  Acer circinatum H. E. McMinn 1922-8-5 355 Humboldt Near Van Duzen River Comment
  UC165811  Acer circinatum J. P. Tracy 1909-6-13 2997 Humboldt Mad River near Blue Lake; Mad River near Blue Lake 30 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
  RSA178582  Acer glabrum var. torreyi Joseph P. Tracy 1950-7-1 18947 Humboldt Back of Cold Springs, near Clear Lake Comment
  CAS-BOT-BC331588  Acer macrophyllum Doris K. Kildale; L. B. Kildale 1930-4-13 9575 Humboldt Bridgeville 289 Comment
  HSC2812  Acer macrophyllum R. E. Thill 1965-5-1 27 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  UC179927  Acer macrophyllum Joseph P. Tracy 1914-7-7 4493 Humboldt in valley of North Fork of Elk River Northern Coast Region, Humboldt Bay, North Fork Elk River (region about Humboldt Bay) 0 Comment
  SEINET10905087  Achillea Mary Susan Taylor 1982-10-24 Taylor 5173 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  RSA298149  Achillea millefolium James Payne Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1222923  Achillea millefolium Joseph P. Tracy 1950-7-31 19240 Humboldt at the look-out station, top of mountain Grouse Mountain 1524 Comment
  HSC3337  Achlys triphylla J. F. Knezevich 1968-5-21 445 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  JEPS47775  Achlys triphylla subsp. triphylla Milo S. Baker 1923-7-29 166 Humboldt along hwy. near Lawrence Creek Comment
  SD42586  Achlys triphylla subsp. triphylla Carl B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 miles above Bridgeville on grade to Dinsmores 455 Comment
  CAS-BOT-BC210655  Achnatherum lemmonii Joseph P. Tracy 1930-7-10 8866 Humboldt Brannan Mountain 1219 Comment
  UC1152041  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt halfway between Snow Camp and Twin Lakes (at Preston's old gate near road) Comment
  CAS-BOT-BC216443  Achnatherum occidentale subsp. californicum Doris K. Kildale 1925-8-17 1258 Humboldt Trinity Summit 1917 Comment
  HSC44755  Acmispon micranthus Maralyn O'Meara 1972-6-8 84 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  UC668267  Aconitum columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC391411  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  UC164785  Adenocaulon bicolor J. P. Tracy 1901-6-2 1119 Humboldt immediate vicinity Eureka 0 Comment
  UC1239770  Adiantum X tracyi J. P. Tracy 1895-1 1683 Humboldt cultivated in Eureka (obtained above Pepperwood on Eel River) Comment
  HSC97560  Adiantum aleuticum Cara Witte 2007-6-1 161 Humboldt Horse Mountain Botanical Area. Near mine area. Forest Service Road 6N38. 1298 Comment
  UCD137190  Adiantum jordanii K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 457 Comment
  CAS-BOT-BC65727  Adiantum pedatum Kenneth Clark 1980-6-14 691 Humboldt Point Delgada quad, north fork Dead Man's Gulch 83 Comment
  CAS-BOT-BC202606  Aesculus californica Doris K. Kildale 1928-6-29 5056 Humboldt Chalk Mountain Comment
  HSC5642  Ageratina occidentalis J. P. Tracy 1922-7-15 6101 Humboldt Along Mad River, near Blue Lake Comment
  SEINET11854879  Agoseris apargioides J. P. Tracy 1949-1 18441 Humboldt Near Box Camp. Trinity Summit, meadow at Box Camp 1463 Comment
  HSC32125  Agoseris grandiflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5586 Humboldt Mount Lassic and 2 smaller peaks to immediate east 1768 Comment
  UC1239513  Agoseris grandiflora var. grandiflora Mrs. C. M. Wilder 1936-7-1 Humboldt at Jack Kemp's place, sw slope Buck Mt. Buck Mt. 914 Comment
  UC582745  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 D Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  HSC73794  Agoseris retrorsa Gail Newton 1980-6-28 695 Humboldt Near Mad River Butte. 1536 Comment
  UC1222766  Agoseris retrorsa Joseph P. Tracy 1950-7-1 18952 Humboldt Grouse Mountain 1219 Comment
  UC186910  Agrostis alba Joseph P. Tracy 1907-7-20 2589 Humboldt ocean beach of Humboldt Bay; Northern Coast Region Comment
  UCD51876  Agrostis capillaris var. aristata A. H. Murphy 1947-6-20 s.n. Humboldt Tooby and Prior Ranch, near Blocksburg. Comment
  CAS-BOT-BC127457  Agrostis densiflora Joseph P. Tracy 1927-6-26 8216 Humboldt Stone Lagoon. 6 Comment
  SEINET200940  Agrostis densiflora A. A. Beetle 1941-7-8 2884 Humboldt Stone lagoon facing ocean. 6 Comment
  CAS-BOT-BC127297  Agrostis exarata Doris K. Kildale 1927-7-23 3796 Humboldt Near Lasseeks [Lassics] Peaks. Haaglin [Hoagland] Lake. Comment
  RSA10027  Agrostis exarata Joseph P. Tracy 1932-7-14 10550 Humboldt Corral Prairie 1524 Comment
  UC1103374  Agrostis exarata J. P. Tracy 1900-7-22 898 Humboldt vicinity Eureka 0 Comment
  HSC76547  Agrostis gigantea Teresa Prendusi 1981-7-23 341 Humboldt Near Black Mtn. 890 Comment
  UC1103526  Agrostis hallii Joseph P. Tracy 1912-7-31 3893 Humboldt nw slope Buck Mountain (Burr Valley); Northern Coast Ranges, nw slope Buck Mountain 1066 Comment
  UCD52683  Agrostis hallii J. I. Mallory 1955-9-17 124 Humboldt one mile west of McClellan Ranch. 304 Comment
  RSA10028  Agrostis microphylla Joseph P. Tracy 1932-6-14 10145 Humboldt Mountainside west of mouth of South Fork of Trinity River 610 Comment
  UC1103384  Agrostis microphylla J. P. Tracy 1900-7-22 898 1/2 Humboldt vicinity Eureka; vicinity Eureka 0 Comment
  HSC102238  Agrostis oregonensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1164 Humboldt Patterson Meadows 1555 Comment
  HSC8805  Agrostis oregonensis R. L. Jarvis 1962-2-9 3 Humboldt Big Lagoon marsh, S of Hwy 101. Comment
  UC1145063  Agrostis oregonensis Joseph P. Tracy 1941-8-24 17039 Humboldt near McKay Camp (in wet meadow); South Fork Mountain 1676 Comment
  UCD56339  Agrostis stolonifera A. H. Murphy 1947-7-30 s.n. Humboldt 1.2 mile west of Hydesville, along the Rohnerville Road. Comment
  HSC104460  Aira caryophyllea Jeff Barrett 2009-4-1 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC8852  Aira caryophyllea True Hoyle 1967-9-9 27667 Humboldt 2 mi. NW of the junction of the Butler Valley and Fickle Hill roads 457 Comment
  RSA32868  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt Humbolt Camp, 10 miles South of Dyerville Comment
  UCD55700  Aira caryophyllea Joseph P. Tracy 1950-6-15 18814 Humboldt near Huestis Rock, on Harris Road, 6 miles southeast of Fruitland. 914 Comment
  SEINET14062595  Aira caryophyllea M. A. Baker 1980-5-17 1280 Humboldt Black Mtn. Comment
  HSC8868  Aira praecox E. W. Styskel 1964-5-7 80 Humboldt 2 mi. S of Samoa near Samoa Rd. Comment
  RSA205970  Aira praecox Joseph P. Tracy 1900-6-5 849 Humboldt Immediate vicinity of Eureka. 0 Comment
  CAS-BOT-BC460753  Allium amplectens Volney Rattan 1903-1-1 s.n. Humboldt Kneeland Prairie Comment
  HSC103075  Allium campanulatum Sydney Carothers 2014-6-11 15 Humboldt Six Rivers Nat'l Forest, Lassics Botanical Area, upper north face of Mt. Lassic 1777 Comment
  HSC73850  Allium falcifolium M. A. Baker 1980-6-8 1924 Humboldt Near Buck Flat 1554 Comment
  SEINET6196142  Allotropa virgata S. S. Tillett 1956-7-6 619 Humboldt Along ridge 11 mi. from Orleans, on Bar Shanty Road. 1158 Comment
  UC275561  Alnus rhombifolia Joseph P. Tracy 1923-10-14 6575 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  CAS-BOT-BC169535  Alnus rubra Doris K. Kildale 1928-7-29 5919 Humboldt Bear River at Capetown Comment
  UC144075  Alnus rubra J. P. Tracy 1909-3-7 2943 Humboldt Immediate vicinity of Eureka 0 Comment
  UC212868  Alopecurus aequalis Joseph P. Tracy 1919-5-31 5179 Humboldt near mouth of Willow Creek (shores of Lack Pond); Northern Coast Ranges, valley of Trinity R., Lack Pond 152 Comment
  CAS-BOT-BC138145  Alopecurus aequalis var. aequalis Doris K. Kildale 1927-7-23 3801 Humboldt Hoaglin Lake. Near Lasseck's Peaks. Comment
  UC1100224  Alopecurus geniculatus Malcolm A. Nobs and S. Galen Smith 1949-8-3 1164 Humboldt 1 mi. s. Fields Landing (Eel R. Valley); Eel R. Valley Comment
  UC526745  Alopecurus geniculatus Joseph P. Tracy 1926-6-12 7589 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  UCD55894  Alopecurus geniculatus A. A. Beetle; G. L. Stebbins Jr., J. P. Tracy 1942-6-2 3458 Humboldt South of Eureka Loleta Swamp. Comment
  CAS-BOT-BC13708  Ambrosia chamissonis Le Roy Abrams 1916-7-18 6118 Humboldt Arcata to Trinidad Comment
  HSC5663  Ambrosia chamissonis D. E. Anderson 1961-9-2 1771 Humboldt 3 mi. S of Cape Mendocino. 3 Comment
  HSC100625  Amelanchier alnifolia Carl C. Marshall Jun 1886 292 Humboldt Bald Hills. Comment
  HSC48400  Amelanchier alnifolia var. semiintegrifolia Brad Klipfel 1973-6-10 87 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC70685  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-15 1574 Humboldt Near Sims Mtn. 1311 Comment
  HSC76240  Amelanchier alnifolia var. semiintegrifolia Denis Kearns 1981-6-24 23 Humboldt Near Cedar Camp 1219 Comment
  HSC99379  Amelanchier alnifolia var. semiintegrifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 28 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  HSC45631  Amelanchier pallida Diane L. Reed 1978-4-22 8 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  CAS-BOT-BC143018  Amelanchier utahensis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  OBI35862  Amelanchier utahensis David J. Keil 1983-7-2 17332 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  UC1103317  Ammophila arenaria Joseph P. Tracy 1947-7-3 17767 Humboldt sand dunes at mouth of Little R. 6 Comment
  UC594248  Amsinckia intermedia S. K. Harris, J. P. Tracy and H. S. Yates 1936-6-17 3429 Humboldt nw slopes of Buck Mountain 822 Comment
  HSC89440  Anagallis arvensis P. A. Daly 1984-7-16 29 Humboldt Trinidad Head 61 Comment
  HSC57007  Anaphalis margaritacea Overton, Butler 1979-7-24 9594 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  CAS-BOT-BC45136  Anaphalis margaritacea Doris K. Kildale 1925-8-17 1186 Humboldt Trinity Summit, Elk Horn Camp 1524 Comment
  CAS-BOT-BC391781  Anemone deltoidea V. Rattan 1882-6-1 s.n. Humboldt To Kneeland Prairie Comment
  HSC102001  Anemone deltoidea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 902 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC34275  Anemone deltoidea K. Irwin 1975-8-13 Humboldt N Trinity Mtn. area below Mill Creek Lakes Comment
  HSC76584  Anemone deltoidea Teresa Prendusi 1981-7-24 484 Humboldt Near Whiteys Peak 1585 Comment
  UC1537337  Anemone deltoidea Gordon H. True Jr. 1936-5-12 471 Humboldt 5 mi. s. Kneeland 457 Comment
  HSC82404  Anemone deltoidea Thomas W. Nelson 1979-7-11 5034 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  HSC98105  Anemone deltoidea Cara Witte 2007-6-27 365 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/2 mile east of spring. 1561 Comment
  JEPS86125  Anemone deltoidea Wayne Roderick 1966-5-7 Humboldt ca. 5 mi. e. Carlotta Comment
  CAS-BOT-BC391925  Anemone lyallii Doris Kildale 1931-5-10 10576 Humboldt Snow Camp Comment
  UCR39823  Anemone oregana Dave Bjornbak, M. Mayer, Steve Meredith 1985-5-10 33 Humboldt Horse Mtn. Rd., 8 mi. south of 299 1143 Comment
  UC562611  Angelica arguta Joseph P. Tracy 1932-7-12 10443 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  UC1051575  Angelica genuflexa Joseph P. Tracy 1948-9-12 18206 Humboldt Trinity Summit, at Box Camp Trinity Summit; , Box Camp 1463 Comment
  JEPS12341  Angelica genuflexa Joseph P. Tracy 1938-9-25 16165 Humboldt near Murphy Meadows (Bald Mountain); Bald Mountain 944 Comment
  UC1103415  Angelica genuflexa Joseph P. Tracy 1948-9-5 18168 Humboldt Happy Camp Mountain, Trinity Summit area Happy Camp Mountain; , Trinity Summit area 1280 Comment
  UC1197381  Angelica genuflexa Joseph P. Tracy 1949-8-26 18509 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar. 1280 Comment
  JEPS14104  Angelica hendersonii Joseph P. Tracy 1930-7-21 8896 Humboldt s point of Cape Mendocino Cape Mendocino 3 Comment
  HSC93230  Angelica lucida Clair Golec 1998-5-29 Humboldt Mouth of Jacoby Creek at Humboldt Bay. Comment
  HSC70993  Angelica tomentosa Thomas W. Nelson 1977-9-3 3731 Humboldt Old logging road just E of Pine Mtn., Lassics 1433 Comment
  CAS-BOT-BC271497  Anisocarpus madioides L. R. Abrams 1918-6-15 7121 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  UCD128893  Anisocarpus madioides K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 457 Comment
  HSC47954  Antennaria luzuloides Brad Klipfel 1974-7-23 448 Humboldt Horse Mountain Comment
  HSC57992  Antennaria rosea subsp. rosea G. L. Clifton, Griswold 1979-7-31 11742 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  JEPS13179  Antennaria suffrutescens Joseph P. Tracy 1926-6-20 7626 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  JEPS13329  Anthemis cotula Lincoln Constance 1934-5-27 694 Humboldt Dyerville Bridge (s end), bar of S Fk Eel River South Fork Eel River, Bull Creek Region 45 Comment
  UC1222873  Anthemis cotula Joseph P. Tracy 1946-8-25 17643 Humboldt Van Duzen River (mouth) Eel River, Van Duzen River Comment
  CAS-BOT-BC137737  Anthoxanthum odoratum Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC34811  Anthoxanthum odoratum Dryden 1975-4-21 128 Humboldt Arcata 0 Comment
  RSA286350  Anthoxanthum odoratum R. F. Thorne 1974-7-29 45071 Humboldt Samoa Dunes: between Humboldt Bay and Pacific Ocean. Comment
  SBBG53003  Anthoxanthum odoratum R. N. Philbrick, J. R. Haller 1976-6-25 1 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CDA20237  Antirrhinum vexillo-calyculatum subsp. breweri Humboldt Ag Comm 2003-11-18 PDR 1417772 Humboldt North Coast Ranges; Hwy 101 at MM 2.75 near Garberville. 0 Comment
  RSA33406  Antirrhinum vexillocalyculatum subsp. breweri Doris K. Kildale 1928-10-19 6953 Humboldt Miranda. Comment
  UC1012378  Antirrhinum vexillocalyculatum subsp. breweri Francis W. Pennell Jul 5 1940-Jul 6 1940 26077 Humboldt 2 to 3 mi s Miranda (Route 101, along Eel River); Eel River 91 Comment
  UC444959  Antirrhinum vexillocalyculatum subsp. breweri Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5890 Humboldt Francis Range in the Bald Hills; North Coast Ranges Comment
  UC154172  Apocynum cannabinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-29 5896 Humboldt near Requa Comment
  HSC35591  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2002 Humboldt At French Camp, Bald Hills Comment
  HSC45491  Aquilegia formosa var. formosa Maralyn O'Meara 1972-6-8 102 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  HSC100611  Aquilegia truncata Carl C. Marshall Jun 1887 Humboldt Everywhere. Comment
  HSC100458  Arabis perfoliata Carl C. Marshall Jun 1887 403 Humboldt Harris. Comment
  HSC96269  Arabis puberula Eric Schori, Kazuyuki Ishimaru 2005-6-15 11 Humboldt 18 mi. S of Hwy. 299, above parking pullout 1400 Comment
  CAS-BOT-BC167257  Aralia californica Paul F. Covel 1939-8-7 1638 Humboldt Mather Memorial Grove Comment
  POM118486  Arbutus menziesii Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville Comment
  RSA167438  Arbutus menziesii Joseph P. Tracy 1951-5-20 19401 Humboldt Near Ashfield Ridge. Comment
  RSA29328  Arbutus menziesii E. K. Balls, P. C. Everett, B. K. Balls 1953-10-11 18628 Humboldt 3 mi. n. of Garberville, Hwy 101. 152 Comment
  RSA32651  Arbutus menziesii Doris K. Kildale 1927-5-7 3109 Humboldt Elk Ridge near Blacksburg. Comment
  UCR32149  Arbutus menziesii David J. Keil 1983-7-1 17263 Humboldt North Coast Range, Bull Creek Flats Road, c. 8 mi west of junction US 101 Comment
  UC585944  Arctostaphylos Joseph P. Tracy 1934-3-11 13158 Humboldt French Camp Ridge 1066 Comment
  SEINET11984830  Arctostaphylos canescens Unknown 1965-1 540 Humboldt on USAL Road, 23 mi N of junction with CA 1 & 2.7 mi S of junction of Four Corners Comment
  CAS-BOT-BC23734  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Van Duzen River. Comment
  CAS-BOT-BC23762  Arctostaphylos columbiana H. E. Parks 1931-12-1 4950 Humboldt Hobson's, Trinidad 60 Comment
  CAS-BOT-BC23790  Arctostaphylos columbiana Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon 6 Comment
  HSC62325  Arctostaphylos columbiana Ruby Van Deventer 1959-2-28 Humboldt Patrick's Point on Coastal Bluff Comment
  JEPS19867  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6142 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  JEPS38945  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13152 Humboldt French Camp Ridge 1066 Comment
  LA42321  Arctostaphylos columbiana H. E. Parks; 1931-3-25 917 Humboldt near Patrick's Point Comment
  RSA134585  Arctostaphylos columbiana P. C. Everett, E. K. Balls, George B. Everett 1959-10-26 23975 Humboldt 4 mi. se from Honeydew along Old Coast Road to Ettersburg. 457 Comment
  UC549498  Arctostaphylos columbiana J. E. Adams 1935-5-12 1048 Humboldt Patrick's Point Comment
  UC571196  Arctostaphylos columbiana H. L. Mason 1932-7-21 7104 Humboldt Trinidad Head Comment
  UC718361  Arctostaphylos columbiana Carl B. Wolf 1934-7-2 5904 Humboldt 4 mi from Snow Camp (on road to Bald Mt.); Mts. E. of Korbel Comment
  SEINET11984909  Arctostaphylos columbiana Unknown 1965-1 543 A Humboldt top of Chimisal Mountain W of Wailaki Recreation Area, Bureau of Land Management Comment
  RSA24083  Arctostaphylos columbiana var. columbiana C. B. Wolf 1941-3-3 4072 Humboldt 4 mi. N. of Ettersburg on Rd. to Honeydew. 305 Comment
  RSA293169  Arctostaphylos columbiana var. columbiana Thomas W. Nelson, James Nelson, A. Nelson 1976-3-11 2267 Humboldt Beside old highway 101 along north side of Table Bluff. Comment
  RSA47120  Arctostaphylos columbiana var. columbiana Doris K. Kildale 1925-12-27 1453 Humboldt Kneeland Comment
  UC585933  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1934-7-9 13331 Humboldt ridge 5 mi s Harris (on road towards Bell Springs); North Coast Ranges 762 Comment
  RSA632804  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27796 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  UCD52868  Arctostaphylos knightii Roman Gankin; W. R. Hildreth 1967-10-26 1180 Humboldt 23.2 miles from Hwy. 101 on Bald Hills Road from Orick. Comment
  HSC100093  Arctostaphylos manzanita J. P. Smith, J. O. Sawyer 2010-3-22 12710 Humboldt Along Hwy. 36, E of Dinsmore. 734 Comment
  HSC48756  Arctostaphylos manzanita Brad Klipfel 1973-6-10 72 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC73604  Arctostaphylos manzanita M. A. Baker 1980-7-23 3143 Humboldt Near Orleans Mtn. 1859 Comment
  RSA633022  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27802 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  RSA0049659  Arctostaphylos manzanita subsp. glaucescens Dean Wm. Taylor 2011-5-4 21119 Humboldt Larabee Valley, along Highway 36 about 1 mile east of the eastern end of the valley at the bridge for the Little Van Duzen River 701 Comment
  CAS-BOT-BC24327  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1922-7-1 327 Humboldt 2 mi. from ranger station at bridge on road to Red Bluff from Eureka. Comment
  HSC7656  Arctostaphylos nevadensis J. Pursell 1964-10-17 10173 Humboldt Road to Box Camp in Hoopa Valley Comment
  CAS-BOT-BC40075  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1933-8-6 12958 Humboldt French Camp Ridge 1066 Comment
  SBBG83936  Arctostaphylos nevadensis subsp. knightii R. Gankin, W. R. Hildreth 1967-10-26 1175 Humboldt French Camp Ridge, 21.4 mi E of US 101 on Bald Hills Rd from Orick Comment
  UCD52855  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1176 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  HSC33154  Arctostaphylos patula Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1242 Humboldt Horse Mtn. Area, SW of the microwave tower 1220 Comment
  HSC89717  Arctostaphylos stanfordiana Unknown 1989-3-11 Humboldt Grays Falls Campground Comment
  CAS-BOT-BC43981  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17502 Humboldt Eureka 45 Comment
  CAS-BOT-BC43989  Arctostaphylos uva-ursi C. B. Wolf 1931-8-30 2374 Humboldt Samoa, Humboldt Bay. 7 Comment
  CAS-BOT-BC43998  Arctostaphylos uva-ursi Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC7726  Arctostaphylos uva-ursi J. W. Johnson 1962-3-31 1196 Humboldt Ridge 8, W.M. Lanphere Farm, Samoa Peninsula, Arcata Comment
  RSA636928  Arctostaphylos uva-ursi Jon E. Keeley, J. O. Sawyer 1996-10-11 27665 Humboldt Landfill Christensen Nature Conservancy Reserve, Arcata. 25 Comment
  UC1196866  Arctostaphylos uva-ursi J. P. Tracy 1899-3-26 299 Humboldt Rick's Prairie immediate vicinity of Eureka 0 Comment
  UC673124  Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt near Samoa; Humboldt Bay 6 Comment
  RSA183565  Arctostaphylos uva-ursi var. coactilis R. I. Bonn 1965-4-3 13 Humboldt Four miles west of Arcata on Lanphere Rd. Comment
  HSC71587  Arctostaphylos viscida Gail Newton 1980-6-16 180 Humboldt Near Monks Camp 109 Comment
  JEPS79810  Arenaria congesta var. suffrutescens Joseph P. Tracy 1932-7-12 10478 b Humboldt Brett Hole Trinity summit, Brett Hole (Head of) 1828 Comment
  RSA246710  Armeria maritima subsp. californica Robert F. Thorne, Percy C. Everett 1965-8-5 35158 Humboldt Samoa Dunes. 3 Comment
  UCSB15631  Armeria maritima subsp. californica Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa; on peninsula on western side of Humboldt Bay Comment
  CHSC23908  Armeria maritima var. californica N. Dennis; D. E. Anderson 1965-6-8 108 Humboldt Samoa Peninsula along the west side of Humboldt Bay. Sand dunes and flats along the ocean. Comment
  HSC98121  Arnica cernua Cara Witte 2007-5-24 119 Humboldt Along National Forest 1. Approximately 1 mile south of intersection with 6N38 and 6N36. 1476 Comment
  JEPS20981  Arnica cernua Joseph P. Tracy 1938-6-13 15902 Humboldt Horse Mt. 1432 Comment
  HSC64162  Arnica discoidea J. O. Sawyer, K. A. Sawyer 1979-6-24 3406 Humboldt Slopes alongside Aikens Creek. 366 Comment
  UC1223004  Arnica latifolia Joseph P. Tracy 1942-6-23 17236 Humboldt near Box Camp ((Trinity Summit)); Trinity Summit 1463 Comment
  RSA167206  Arnica latifolia Joseph P. Tracy 1942-6-23 17236 Humboldt Near Box Camp 1463 Comment
  HSC100423  Arnica parviflora Carl C. Marshall Jun 1886 281 Humboldt Mud Spring Camp. Comment
  UC1057744  Arrhenatherum elatius W. L. Colwell 1957-7-6 42 Humboldt 6 mi nw of Bridgeville (Redwood House Ranch, Quadrangle 26C3); Redwood House Ranch 685 Comment
  UC665565  Artemisia pycnocephala H. E. Parks 1941-8-1 24186 Humboldt Little River State Park 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
  RSA416091  Asarum caudatum Christopher Davidson 1973-5-29 2204 Humboldt Ca. 2 mi S of Carlotta on St. Hwy 36. Comment
  UC1135997  Asarum caudatum R. Stahelin 1933-5-18 Humboldt Aroata City Park; Eureka Comment
  HSC3273  Asarum hartwegii Doris K. Kildale 1926-5-2 1876 Humboldt Willow Creek Comment
  RSA46484  Asclepias cordifolia Doris K. Kildale 1925-7-2 963 Humboldt Bug creek 915 Comment
  HSC63192  Asclepias speciosa M. A. Baker 1979-7-6 1006 Humboldt Along E bank of Klamath River Comment
  HSC1052  Aspidotis densa P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  HSC99110  Aspidotis densa Cara Witte 2008-6-13 715 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1382 Comment
  UCD137278  Aspidotis densa Gordon Leppig 1998-7-1 861 Humboldt Ammon Ridge Rd., 1 k east of Titlow Hill Rd. 1432 Comment
  CDA30679  Aster chilensis M. K. Beyers, I. Shepardson 2009-9-13 252 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  HSC92747  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Rd. 500 Comment
  JEPS54822  Astragalus pycnostachyus var. pycnostachyus W. L. Jepson 1902-8-4 2143 Humboldt Cape Mendocino to Petrolia (ocean shore); Ocean shore, Cape Mendocino to Petrolia Comment
  CAS-BOT-BC193138  Astragalus rattanii var. rattanii Frank W. Peirson 1926-7-15 7058 Humboldt Mad River, vicinity of Blue Lake Comment
  JEPS21028  Astragalus rattanii var. rattanii Joseph P. Tracy 1926-5-15 7486 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC397265  Astragalus rattanii var. rattanii P. E. Goddard June, 1907 b. 124 Humboldt Van Duzen Comment
  HSC99540  Athyrium filix-femina K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 205 Humboldt Near North Trinity Mtn, 11. 5 mi E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  OBI5446  Athyrium filix-femina Robert J. Rodin 1969-8-18 8384 Humboldt Along Redwood Creek, near Orick. Comment
  RSA1509  Athyrium filix-femina subsp. cyclosorum E. R. Johnson 1929-08 1411 Humboldt Arcata Redwood Park 76 Comment
  CHSC32  Athyrium filix-femina var. cyclosorum M. Anthony 1960-5-1 Humboldt Coastal. Comment
  HSC10342  Athyrium filix-femina var. cyclosorum W. R. Supernaugh, Jr. 1964-12-12 8 Humboldt 1 mi. W of Freshwater Corners on Old Arcata Rd on S side of Hwy. Comment
  JEPS35158  Athyrium filix-femina var. cyclosorum Milo S. Baker 1923-7-23 123 Humboldt near Ferndale Comment
  HSC6517  Athysanus pusillus D. E. Anderson 1963-5-19 2470 Humboldt Kneeland Area Comment
  HSC70632  Athysanus pusillus R. York 1980-5-18 584 Humboldt Near Black Mtn 792 Comment
  HSC98599  Athysanus pusillus Cara Witte 2008-6-13 724 Humboldt Forest Service Road 4N32. 0.5 mi. N of intersection with Forest Service Road 4N32B. 1417 Comment
  UC55498  Atriplex leucophylla J. P. Tracy 1901-8-7 1264 Humboldt opp. Eureka (sand hills of Ocean Beach at Samoa); Samoa, opp. Eureka Comment
  HSC79448  Avena barbata Kenneth Clark 1980-4-18 578 Humboldt Shelter Cove, along access trail to Dead Man's Gulch 107 Comment
  UC503075  Azolla filiculoides Joseph P. Tracy 1927-7-16 8258 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC204753  Baccharis glutinosa Joseph P. Tracy 1918-9-29 5102 Humboldt 4 mi above the mouth South Fork of Eel River 60 Comment
  UC673091  Baccharis pilularis Joseph P. Tracy 1940-10-17 16765 Humboldt Camp Grant, along Eel River, 2 to 5 mi e of South Fork Eel River 45 Comment
  HSC28931  Baccharis pilularis subsp. consanguinea Diane Johnson 1972-11-14 Humboldt Butler Valley near Maple Creek Comment
  HSC5118  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-9-4 1102 Humboldt Arcata; in the Hollow N of Dune 3 N Christenson Farm, Samoa Peninsula Comment
  UCD129438  Baccharis pilularis subsp. consanguinea Linda M. Barker 1976-9-3 1691 Humboldt 3 miles west of Arcata. Comment
  HSC39776  Baccharis pilularis subsp. pilularis Peter Sorensen 1976-7-12 Humboldt King Salmon Comment
  HSC5187  Bellis perennis J. R. Kahl 1962-3-10 3 Humboldt 2 mi. S of Trinidad along old Hwy.101 Comment
  BLMAR689  Berberis aquifolium Jennifer Wheeler 2012-5-9 689 Humboldt Lacks Creek, West side on Barnum 762 Comment
  HSC97596  Berberis aquifolium var. aquifolium Steven Lee 2004-4-26 31 Humboldt Horse Mtn., 5 mi. up Titlow Hill Rd. from Hwy. 299 Comment
  UC9754  Berberis nervosa Harley P. Chandler June, 1901 1286 Humboldt Hupa Indian Reservation; North Coast Ranges 1097 Comment
  RSA167296  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. 122 Comment
  CAS-BOT-BC66270  Blechnum spicant Doris K. Kildale 1928-12-30 6885 Humboldt Phillipsville Comment
  UC370622  Blechnum spicant H. E. Parks 1925-6-20 3231 Humboldt Orick Comment
  HSC44612  Boschniakia hookeri R. York 1978-6-5 191 Humboldt Near Waterman Ridge Rd., 12 mi. from terminus with Hwy 299. Bulk collection #122 610 Comment
  HSC48730  Boschniakia strobilacea J. Pageau, Jimerson, E. Toth 1979-6-13 522 Humboldt Creek timber sale unit 7 549 Comment
  HSC45727  Boykinia occidentalis Patricia Shesgreen 1978-7-30 118 Humboldt Sea Lion Gulch, 50 yards from ocean along stream bank Comment
  JEPS49652  Boykinia occidentalis Harley P. Chandler June, 1901 1501 Humboldt Klamath River; North Coast Ranges, Klamath River 426 Comment
  RSA246661  Boykinia occidentalis R. F. Thorne, P. Everett 1965-8-5 35127 -a Humboldt Wailaki Recreation site. 518 Comment
  SEINET12215472  Boykinia occidentalis H. P. Chandler 1901-1 1501 Humboldt Klamath River - North Coast Ranges 427 Comment
  CHSC59634  Briza maxima R. N. Raynor 1935-5-22 Humboldt Ft. Seward. Comment
  HSC104048  Briza maxima E. R. Fyer 2015-4-26 20 Humboldt At turnout off Samoa Blvd. 1 Comment
  HSC9091  Briza minor John Warner Hosking 1966-8-5 Humboldt 12th anb B St., Arcata Comment
  CAS-BOT-BC484218  Brodiaea elegans subsp. elegans Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River, Orleans Comment
  JEPS7624  Brodiaea stellaris Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3406 Humboldt along state Hwy 36 5 mi e Bridgeville Comment
  BLMAR554  Brodiaea terrestris Jennifer Wheeler 2004-5-20 554 Humboldt Stornetta Ranch Comment
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Apr 21 2014
  UC1225870  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1942-6-15 17125 Humboldt near Redcrest resort; Englewood 91 Comment
  UC1197740  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1928-5-20 8441 Humboldt halfway between the ocean and Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  CAS-BOT-BC144348  Bromus W. R. Dudley 1899-6-19 s.n. Humboldt Scotia. Comment
  UC212891  Bromus carinatus var. carinatus Joseph P. Tracy 1919-5-31 5159 Humboldt near Willow Creek (w side of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  UCD58498  Bromus carinatus var. carinatus A. H. Murphy 1951-3-30 s.n. Humboldt 2 miles north of Petrolia. County road. Comment
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May 22 2012
  HSC9214  Bromus carinatus var. marginatus R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on May Ranch. 732 Comment
  UCD59205  Bromus carinatus var. marginatus A. H. Shunk 1923-7-12 24 Humboldt Briceland. Comment
  HSC45110  Bromus diandrus R. Sutherland 1978-5-13 4 .13578 Humboldt Mattole River. 282 Comment
  HSC9293  Bromus diandrus S. J. Hawks 1965-5-18 88 Humboldt In front of Eureka City Airport. Comment
  RSA126899  Bromus diandrus H. S. Yates 1936-6-19 5705 Humboldt Lower N.W. slope of Buck Mt. 793 Comment
  UC187100  Bromus diandrus Joseph P. Tracy 1904-5-1 2042 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  HSC90690  Bromus hordeaceus Gail Newton 1982-5-31 3554 Humboldt Elk River Wildlife Area, Eureka Comment
  UCD58705  Bromus hordeaceus Linda M. Barker 1976-5-13 1477 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC2600  Bromus inermis William J. Ferlatte, B. D. Rogers 1966-8-15 3123 Humboldt 6 mi. E of Korbel; Cutoff Red wood Comment
  UCSC000049  Bromus japonicus H. S. Yates 1936-6-17 5687 Humboldt 1 mile W. of Bridgeville - Dyerville 183 Comment
  SEINET200935 Image available Bromus orcuttianus var. orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt On Friday Ridge, at Friday's Camp. 1219 Comment
  CAS-BOT-BC185518  Bromus vulgaris Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans. Comment
  HSC75287  Bromus vulgaris J. O. Sawyer, M. A. Ericksen 1980-8-18 4059 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  RSA10035  Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley, near the south fork. Comment
  UC1103269  Bromus vulgaris Joseph P. Tracy 1901-6-30 1211 Humboldt immediate vicinity of Eureka 0 Comment
  UC176583  Bromus vulgaris J. P. Tracy 1900-5-28 807 Humboldt immediate vicinity of Eureka 0 Comment
  UC84157  Cacaliopsis nardosmia J. W. Blankinship 1893-6-15 Humboldt Jager Comment
  UC161575  Cakile edentula J. P. Tracy 1901-8-7 1266 Humboldt Ocean Beach at Samoa, opposite Eureka Ocean Beach; Samoa, Ocean Beach Comment
  CHSC10120  Cakile maritima J. W. Johnson 1962-4-29 1299 Humboldt Arcata. W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC39982  Cakile maritima Linda M. Barker 1976-6-22 1628 Humboldt 3 mi. W of Arcata Comment
  HSC79543  Cakile maritima Kenneth Clark 1981-5-24 1395 Humboldt 300 yards W of Deadman's Gulch 3 Comment
  RSA12540  Calamagrostis C. B. Wolf 1934-7-2 5898 Humboldt wet meadow at small lake at Snow Camp. (Mts. east of Korbel) Comment
  HSC74072  Calamagrostis foliosa Joyce Walker 1980-9-3 Humboldt Shipman Creek Comment
  UC1145051  Calamagrostis foliosa Joseph P. Tracy 1936-6-9 14899 Humboldt at bridge 3 mi e Petrolia (bluff bank of river); Mattole River 30 Comment
  SBBG83771  Calamagrostis koelerioides J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  UC1103290  Calamagrostis koelerioides Joseph P. Tracy 1934-7-18 13408 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  HSC100604  Calandrinia menziesii Carl C. Marshall Jun 1887 472 Humboldt Throughout Humboldt County. Comment
  HSC35505  Callitriche heterophylla G. W. Clason 1962-4-25 Humboldt Hwy. 101 between Arcata and Eureka. Comment
  UC1714424  Callitriche heterophylla var. bolanderi J. P. Tracy 1900-5-28 824 Humboldt immediate vicinity Eureka 0 Comment
  RSA729025  Callitriche heterophylla var. bolanderi R. F. Thorne, P. C. Everett 1965-8-9 35323 Humboldt Clam Beach County Park: along highway. 3 Comment
  UC204109  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1918-5-28 4950 Humboldt Bald Mt. Northern Coast Ranges (on slope between High Prairie and Redwood Creek) 914 Comment
  HSC62828  Callitriche stagnalis J. M. DiTomaso 1979-4-21 888 Humboldt Fresh water creek at Clam Beach, 9 mi. N of Arcata. Comment
  HSC13057  Callitropsis nootkatensis C. Kline, D. Santana Oct 1970 8 Humboldt HSC Campus Comment
  HSC76306  Calocedrus decurrens Teresa Prendusi 1981-7-9 224 Humboldt Near Cedar Camp 1256 Comment
  HSC15423  Calochortus monophyllus J. Wendell Howe 1236 Humboldt Comment
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Feb 11 2018
  CHSC32848  Calochortus tolmiei Lora L. Anderson 1981-4-25 11 Humboldt Ca. 1.5 mi ne of Redwood Creek 4.5 mi n of 299w 18 mi ne of Arcata. 228 Comment
  UCD139588  Calochortus tolmiei Collector Unknown 1935-4-8 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC494366  Calochortus tolmiei H. C. Cantelow 1941-4-19 36 Humboldt 2 1/2 mi. n. e. of Cape Town. Open hillside above ocean on rd. to Ferndale from Patrolia. Comment
  HSC44357  Calochortus tolmiei Brad Klipfel 1974-5-27 399 Humboldt Horse Mtn., ridge top near forks in rd. Comment
  HSC12225  Calypso bulbosa G. L. Stebbins 1970-4-5 60 Humboldt Along county road to Snow Camp, 2.7mi W of Maple Creek road junction Comment
  HSC16565  Calypso bulbosa Eldrid H. Spinas 1948-6-16 70 Humboldt Horse Mtn. Comment
  HSC59490  Calypso bulbosa M. A. Ericksen 1979-4-28 219 Humboldt Roadside leading to Camp Bouer, Korbel. Comment
  HSC55179  Calyptridium monospermum Gilbert Muth 1979-8-1 12189 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  HSC65839  Calyptridium monospermum Gail Newton 1980-6-16 173 Humboldt Near Monks Camp. 1097 Comment
  UC1222149  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1950-6-15 18797 Humboldt 7 mi n Harris (Mail Ridge); n of Harris, Mail Ridge Comment
  UC449948  Calystegia occidentalis subsp. occidentalis Mrs. M. H. Manning 1901-1 Humboldt near Hupa; near Hupa Comment
  HSC59102  Calystegia soldanella Clark L. Miller 1979-5-24 1149 Humboldt Dunes off Samoa Boulevard about .5 mi. from Coast Guard Station Gate Comment
  UCD126163  Calystegia soldanella Roman Gankin 1965-8-6 559 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  SEINET3992220  Camassia leichtlinii Unknown 1925-7-5 1 /2/7179 Humboldt Bald Mountain 1067 Comment
  UC180216  Camassia quamash Joseph P. Tracy 1914-7-4 4538 Humboldt Bald Mountain, High Prairie High Prairie; Northern Coast Ranges, Bald Mountain, High Prairie 1066 Comment
  HSC104413  Camassia quamash Adam N. Canter 2017-5-12 7 Humboldt Table Bluff Ecological Reserve Comment
  HSC39613  Camassia quamash subsp. linearis Thomas W. Nelson, Jane P. Nelson 1976-6-15 2717 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC38195  Camissonia cheiranthifolia Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near airport Comment
  HSC45467  Camissonia cheiranthifolia subsp. cheiranthifolia Thomas W. Nelson, James Nelson 1978-9-28 4554 Humboldt NW of Samoa Comment
  RSA186809  Camissonia cheiranthifolia subsp. cheiranthifolia T. Mosquin, L. Mosquin 1962-7-19 4489 Humboldt 8.8 miles north of Big Lagoon along U.S. Highwy 101 to Oregon Comment
  CDA18242  Camissoniopsis cheiranthifolia G. D. Barbe, T. C. Fuller 1974-6-19 1880 Humboldt North Coast Ranges; Mad River mouth, beach S of river, at end of Iversen Lane, Tyee City. 30 Comment
  CAS-BOT-BC160234  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven; Richard Snow 1958-7-21 13661 Humboldt Cape Mendocino Comment
  CHSC10102  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. W. Johnson 1961-8-17 1044 Humboldt Arcata. Sand dune fields, Lanphere Farm. Comment
  JEPS31757  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1923-8-4 183 Humboldt about 2 mi n Big Lagoon (on sand bar); Stone Lagoon Comment
  SBBG52988  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  UC602536  Campanula prenanthoides Joseph P. Tracy 1927-8-14 8330 Humboldt Big Lagoon 121 Comment
  SEINET10462991  Campanula prenanthoides Tracy 1933-7-26 TRACY 12927 Humboldt Grouse Creek Basin, in open woods 762 Comment
  SEINET10463332  Campanula prenanthoides Alma L. Moldenke, Harold N. Moldenke 1975-8-21 Moldenke 20338 Humboldt RIO DELL, IN DEEP FOREST Comment
  SEINET10840309  Campanula prenanthoides Lincoln Constance 1934-6-11 Constance 854 Humboldt HUMBOLDT REDWOOD PARK ABOVE RD OPP. MOUTH BULL CR., DRY S BANK ABOVE RD 250 Comment
  SEINET10939002  Campanula prenanthoides Tracy 1934-8-23 TRACY 13600 Humboldt Willow Creek Canyon 457 Comment
  UC602559  Campanula scouleri Joseph P. Tracy 1926-6-27 7691 Humboldt Horse Mountain 1219 Comment
  SEINET10463756  Campanula scouleri Chesnut 1888-6-19 CHESNUT s.n. Humboldt Pilot Ridge Comment
  UC29021  Campanula scouleri C. C. Marshall 1886-1 Humboldt Comment
  SEINET3238935 Image available Capsella bursa-pastoris Joseph P. Tracy 1929-4-28 8544 Humboldt Trinity River Valley, at Willow Creek 150 Comment
  UC302119  Cardamine angulata Joseph P. Tracy 1926-5-22 7510 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  BLMAR76  Cardamine californica Jennifer Anthony-Wheeler 1994-6-2 76 Humboldt IAQUA, gwng up logging rd in conif forest 853 Comment
  CAS-BOT-BC37420  Cardamine californica LeRoy Ellsworth Detling 1935-4-21 1645 Humboldt Summit of Bear Creek Ridge, Cape Mendocino. Comment
  HSC44272  Cardamine californica Barbara Kelly 1977-4-23 300 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC6698  Cardamine californica Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  UC1199192  Cardamine californica Joseph P. Tracy 1949-6-6 18305 Humboldt ne Hawkins Bar (in Trinity Summit Range, Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain, ne Hawkins Bar 1280 Comment
  UC1222656  Cardamine californica Joseph P. Tracy 1950-4-20 18619 Humboldt along highway about 2 mi s of crossing Little Van Duzen (w slope Buck Mountain); , s of Little Van Duzen crossing Comment
  HSC98050  Cardamine californica var. integrifolia Cara Witte 2007-5-8 5 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  RSA176497  Cardamine californica var. integrifolia Doris K. Kildale 1927-1-23 2974 Humboldt Van Duzen River at the Blue Shale. Comment
  UC492260  Cardamine nuttallii Joseph P. Tracy 1927-6-12 8129 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  CAS-BOT-BC37890  Cardamine oligosperma Alice Eastwood 1907-4-21 21 Humboldt Trinidad. Comment
  CHSC31270  Cardamine oligosperma Mark Stopher 1980-3-26 41 Humboldt In lowland adjoining Elk River. 1 Comment
  HSC6641  Cardamine oligosperma Gerald T. Rood 1962-5-11 3 Humboldt Kneeland Rd., 0.25 mi. E of Barry Rd. Comment
  UC1199204  Cardamine oligosperma Joseph P. Tracy 1919-3-31 5166 Humboldt along Willow Creek ((Tributary of Trinity River, Humboldt Co) near its mouth); Northern Coast Ranges, along Willow Creek 152 Comment
  UC668056  Cardaria draba Joseph P. Tracy 1938-6-12 15895 Humboldt opposite mouth of Van Duzen River (Eel River, Alton to Fortuna); Eel River 15 Comment
  UC1225795  Cardionema ramosissimum Joseph P. Tracy 1947-7-3 17765 Humboldt at mouth of Little River 6 Comment
  UC562652  Carex abrupta Joseph P. Tracy 1932-7-14 10546 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC76378  Carex aquatilis var. dives L. P. Janeway 1982-8-7 117 Humboldt Dry Lagoon, middle of lagoon 3 Comment
  JEPS25970  Carex arcta Joseph P. Tracy 1934-7-13 13389 Humboldt Dow's Prairie. Comment
  HSC102200  Carex athrostachya M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1114 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  CDA33036  Carex barbarae F. Wetherbee 1962-5-1 Humboldt Ferndale. 0 Comment
  CHSC93260  Carex bolanderi Thomas Nelson; Jane Nelson 1977-7-1 3559 Humboldt The Lassics. Along Blanket Creek. 1493 Comment
  SEINET7552610 Image available Carex bolanderi David Castaner 1989-6-19 10248 b Humboldt Fern Canyon. Comment
  HSC62882  Carex buxbaumii J. M. DiTomaso 1979-5-20 1049 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  JEPS26006  Carex canescens Joseph P. Tracy 1939-7-9 16318 Humboldt at Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  UC562722  Carex concinnoides Joseph P. Tracy 1927-6-19 8190 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 60 Comment
  POM313080  Carex cusickii Malcolm A. Nobs, S. Galen Smith 1949-8-3 1197 Humboldt Southern outskirts of Eureka Comment
  CAS-BOT-BC34979  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  UC562259  Carex densa Joseph P. Tracy 1928-6-17 8453 Humboldt Trinity River Valley, at Willow Creek Northern Coast Ranges 152 Comment
  UC1103105  Carex deweyana subsp. leptopoda Joseph P. Tracy 1916-5-31 4694 Humboldt Eel River from South Fork to Scotia Northern Coast Ranges (Holmes Flat) 60 Comment
  UC562271  Carex echinata subsp. echinata Joseph P. Tracy 1932-7-14 10567 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  RSA246876  Carex echinata subsp. phyllomanica Robert F. Thorne, Percy C. Everett 1965-8-7 35188 Humboldt Big Lagoon. 2 Comment
  SEINET7557968 Image available Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  POM224512  Carex exsiccata H. C. Cantelow 1936-5-18 s.n. Humboldt 8 miles NE of Orick. Comment
Read comments
Jan 20 2011
  CAS-BOT-BC20011  Carex feta Alice Eastwood; John Thomas Howell 1937-6-22 4743 Humboldt Near Blocksburg. Comment
  HSC89402  Carex geyeri L. P. Janeway 1984-6-17 845 Humboldt On ridge E of Horse Mtn. 1433 Comment
  UC562715  Carex globosa Joseph P. Tracy 1932-4-23 9832 Humboldt Englewood North Coast Ranges 91 Comment
  UCSC000105  Carex globosa H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Arcata - Eureka Comment
  CAS-BOT-BC28419  Carex gracilior Joseph Prince Tracy 1935-6-8 13940 Humboldt At Eureka 60 Comment
  UC562640  Carex gracilior Joseph P. Tracy 1935-6-8 13940 Humboldt at Eureka Northern Coast Ranges 0 Comment
  JEPS79844  Carex gynodynama Joseph P. Tracy 1936-6-21 14991 Humboldt Iaqua 609 Comment
  UC1103591  Carex gynodynama Joseph P. Tracy 1938-6-11 15893 Humboldt Vicinity of Carlotta. Comment
  CAS-BOT-BC22319  Carex harfordii Joseph Prince Tracy 1935-6-8 13936 Humboldt Eureka. 60 Comment
  SEINET10650834  Carex hendersonii Joseph W. Congdon 1904-7-24 Congdon s.n. Humboldt Mariposa. Arcata. Comment
  UC303010  Carex hendersonii Joseph P. Tracy 1926-6-13 7598 Humboldt Blue Lake Northern Coast Ranges 152 Comment
  CAS-BOT-BC7792  Carex laeviculmis Joseph Prince Tracy 1930-7-16 8985 Humboldt South Fork Mountain. At McKay Camp. 1676 Comment
  CHSC90286  Carex laeviculmis Thomas W. Nelson; Jane P. Nelson 1987-6-11 8587 Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  HSC102152  Carex laeviculmis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1059 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC31262  Carex lenticularis var. impressa Joseph Prince Tracy 1932-7-14 10554 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  UC604160  Carex lenticularis var. limnophila David D. Keck 1938-8-5 4774 Humboldt Big Lagoon Comment
  CAS-BOT-BC21120  Carex leptalea Joseph Prince Tracy 1918-7-21 5086 Humboldt Northern Coast Range. Humboldt Hill. 91 Comment
  SEINET7564994 Image available Carex leptalea Juha Pykala, D. H. Norris 1987-6-24 1895 Humboldt Big Lagoon, Big Lagoon fen. 0 Comment
  UC203892  Carex leptalea Joseph P. Tracy 1918-7-21 5086 Humboldt Northern Coast Ranges, around Humboldt Bay, Humboldt Hill Humboldt Hill; Northern Coast Ranges, Humboldt Bay, Humboldt Hill 91 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC48375  Carex leptopoda D. H. Norris May 1970 12457 Humboldt Top of ridge above Freshwater Lagoon Comment
  SEINET7565155 Image available Carex leptopoda David Castaner 1989-6-19 10248 a Humboldt Fern Canyon. Comment
  UC1152083  Carex luzulina var. luzulina Joseph P. Tracy 1951-6-14 19410 Humboldt Snow Camp Comment
  CAS-BOT-BC31660  Carex lyngbyei Joseph Prince Tracy 1927-7-16 8428 Humboldt Near mouth of Elk River, Humboldt Bay. 3 Comment
  CHSC85570  Carex mendocinensis L. P. Janeway 2003-7-30 7944 Humboldt High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  UC1116265  Carex multicaulis Joseph P. Tracy 1942-6-2 17105 Humboldt Valley of South Yager Creek 762 Comment
  UC1103091  Carex multicostata Joseph P. Tracy 1933-7-25 12847 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC39186  Carex nudata D. E. Anderson, J. P. Smith 1971-6-28 1214 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UC562318  Carex nudata Joseph P. Tracy 1927-5-30 8082 Humboldt near Garberville (Redwood Creek) 121 Comment
  CHSC88893  Carex obnupta L. P. Janeway; B. Castro 2004-9-10 8319 Humboldt North Coast. South Spit of Humboldt Bay, 3.6 km north-northeast of Table Bluff Lighthouse site; between South Spit Road and the Humboldt Bay mudflats. 2 Comment
  HSC104103  Carex obnupta Kyle Brown 2015-4-25 45 Humboldt Arcata, along trail at Mad River 15 Comment
  HSC76804  Carex obnupta L. P. Janeway 1982-8-7 113 Humboldt Dry Lagoon 3 Comment
  UC562323  Carex obnupta Joseph P. Tracy 1934-7-30 13503 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  CAS-BOT-BC119381  Carex obnupta Joseph Prince Tracy 1934-7-13 13381 Humboldt Arcata Bottom. 15 Comment
  SEINET7569469 Image available Carex obnupta David Castaner 1989-6-19 10249 Humboldt Fern Canyon. Comment
  CAS-BOT-BC119225  Carex pachystachya Joseph Prince Tracy 1935-6-23 13984 Humboldt French Camp Ridge. 1066 Comment
  SEINET7570348 Image available Carex pachystachya Ray Tallent 1987-8-11 896 Humboldt Six Rivers National Forest, roadside S of Horse Mtn. 1390 Comment
  HSC45474  Carex pachystachya Thomas W. Nelson, Jane P. Nelson 1978-7-2 4409 Humboldt Along road to Lost Lake, branch off FS 2S08 near Pine Mtn. 1433 Comment
  UC562663  Carex pachystachya Joseph P. Tracy 1927-5-29 8077 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC709398  Carex pachystachya Joseph P. Tracy 1938-6-15 15933 Humboldt vicinity Carlotta 30 Comment
  CAS-BOT-BC119164  Carex pansa Joseph Burtt Davy; Walter Charles Blasdale 1899-5-1 6218 Humboldt Eureka Comment
  UC1103124  Carex pansa J. P. Tracy 1900-6-5 853 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC118598  Carex praticola Joseph Prince Tracy 1914-5-3 4421 Humboldt At Eureka 60 Comment
  UC303144  Carex preslii Joseph P. Tracy 1925-7-5 7166 Humboldt High Prairie on Bald Mountain Northern Coast Rages 1066 Comment
  CAS-BOT-BC118009  Carex rossii Joseph Prince Tracy 1935-6-23 13977 Humboldt French Camp Ridge. 1066 Comment
  HSC102222  Carex scopulorum var. bracteosa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1138 Humboldt Patterson Meadows 1555 Comment
  CHSC102860  Carex subbracteata Peter F. Zika 2009-6-16 24500 Humboldt Outer North Coast Range. Above Route 299, 0.7 road miles W of Berry Summit. 780 Comment
  RSA88833  Carex subbracteata Alice Eastwood, John Thomas Howell 1937-6-23 4808 Humboldt Little Van Duzen River. Comment
  JEPS79863  Carex subbracteata Joseph P. Tracy 1916-5-31 4695 Humboldt along Eel R. from S. Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  HSC48739  Carex subfusca Brad Klipfel 1973-6-10 64 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1103577  Carex subfusca Joseph P. Tracy 1936-6-10 14916 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC103143  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1154 Humboldt Patterson Meadows 1555 Comment
  HSC76775  Carex tumulicola L. P. Janeway 1983-5-21 303 Humboldt Grassy slope above Chezem Rd., 2.1 mi. E of Chezem Rd. bridge over Redwood Creek 396 Comment
  UC1103116  Carex tumulicola Joseph P. Tracy 1924-9-14 6876 1/2 Humboldt Butter Valley Northern Caost Ranges 152 Comment
  UC303072  Carex unilateralis Joseph P. Tracy 1908-7-22 2902 Humboldt near summit of ridge between Van Duzen and Mad Rivers, on Dinsmore's Ranch 1066 Comment
  CHSC107143  Carex utriculata R. E. Brainerd 2009-7-23 1564 Humboldt North Coast Range, South Fork Mountain; 19.6 miles west-northwest of Hayfork. UTM Zone 10 453477E 4494945N. 1661 Comment
  UC562332  Carex utriculata Joseph P. Tracy 8988 Humboldt South Fork Mountain; McKay Camp 1676 Comment
  UC1103613  Carex vesicaria var. major Joseph P. Tracy 1923-9-2 6542 Humboldt Mc Clellan Mt. Northern Coast Ranges 914 Comment
  SEINET201052  Carex viridula Joseph P. Tracy 1934-7-30 13505 Humboldt Along coast in front of South End of Stone Lagoon. Dry Lagoon. 3 Comment
  HSC90439  Carpobrotus chilensis Jean Hanson 1980-3-8 14 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, SW shore 15 ft. from high tide line. Comment
  UCD129942  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke's Prairie, on ridge 1 m. north above Bull Creek, ca. 2 miles west of Dyerville. Comment
  HSC22608  Castanea dentata J. P. Smith, J. O. Sawyer 1971-10-16 5051 Humboldt 5.1 mi. E of Carlotta on Hwy. 36 Comment
  UC1196741  Castilleja affinis subsp. affinis Joseph P. Tracy 1942-7-1 17366 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Van Duzen River 762 Comment
  HSC32372  Castilleja ambigua subsp. humboldtiensis Linda M. Barker 1974-5-19 198 Humboldt S G St., Arcata 0 Comment
  HSC49512  Castilleja ambigua subsp. humboldtiensis R. York 1979-5-18 299 Humboldt Around Humboldt Bay Comment
  HSC90966  Castilleja ambigua subsp. humboldtiensis Gail Newton 1982-6-5 3575 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC56121  Castilleja applegatei G. L. Clifton, Griswold 1979-8-1 11903 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC82541  Castilleja arachnoidea Thomas W. Nelson 1979-7-11 5000 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC27149  Castilleja attenuata Harley P. Chandler May 1901 1141 Humboldt Humboldt Bay; North Coast Ranges 3 Comment
  HSC72482  Castilleja attenuata J. P. Smith, J. O. Sawyer 1973-5-12 6682 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  JEPS10343  Castilleja exserta subsp. latifolia Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16659 Humboldt Table Bluff, w foot of bluff Table Bluff 6 Comment
  JEPS76197  Castilleja exserta subsp. latifolia T. I. and Fei-Mei Chuang 1977-7-19 7624 Humboldt 1.5 mi s Samoa (2.1 mi n from Fairhaven junction towards Samoa) Comment
  UC673100  Castilleja exserta subsp. latifolia Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16659 Humboldt w foot Table Bluff 6 Comment
  JEPS8743  Castilleja foliolosa Joseph P. Tracy 1934-7-9 13329 Humboldt 5 mi s Harris; Mail Ridge 762 Comment
  HSC70512  Castilleja miniata Gail Newton 1980-7-20 1615 Humboldt Near Bell Swamps 1426 Comment
  UC582577  Castilleja miniata Joseph P. Tracy 1932-7-14 10545 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC244879  Castilleja miniata Mrs. H. C. Cantelow 1935-5-31 836 Humboldt 15 mi. N. of Orick Comment
  HSC72497  Castilleja miniata J. P. Smith, Steve Selva 1970-6-30 4120 Humboldt Comment
  UC179928  Castilleja miniata Joseph P. Tracy 1914-7-4 4537 Humboldt High Prairie Northern Coast Ranges, Bald Mountain (on Bald Mountain) 1066 Comment
  HSC44427  Castilleja pruinosa Brad Klipfel 1975-5-30 645 Humboldt Horse Mtn. Comment
  UC1222459  Castilleja rubicundula subsp. lithospermoides H. E. Parks and Joseph P. Tracy 1930-5-25 8723 Humboldt near Bridgeville 182 Comment
  UC1502122  Ceanothus R. Sutherland 1976-4-24 2 Humboldt Garberville 518 Comment
  HSC35785  Ceanothus cordulatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2098 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  HSC55616  Ceanothus cordulatus Overton, Butler 1979-7-23 9511 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC78651  Ceanothus cordulatus D. K. Imper 1982-7-13 1485 Humboldt Near Chaparral Mtn. 1386 Comment
  HSC37060  Ceanothus incanus R. Sutherland 1975-5-13 18 .13575 Humboldt 290 Comment
  RSA399868  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8050 Humboldt Road to Shelter Cove, 5 miles from the Whitehorn Ettersburg jct, roadside in mixed evergreen woodland Comment
  UC1052835  Ceanothus incanus W. L. Colwell 1955-5-5 23 Humboldt North of Windbigler River Quad. 29-A-2 Comment
  CAS-BOT-BC63679  Ceanothus integerrimus L. B. Kildale 1927-7-3 3635 Humboldt Willow Creek Flat. 152 Comment
  HSC32265  Ceanothus integerrimus J. O. Sawyer 1970-6-24 2234 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  RSA399896  Ceanothus integerrimus M. S. Jussel 1931-5-2 s.n. Humboldt near Garberville 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
  UC164817  Ceanothus integerrimus J. P. Tracy 1903-5-24 1907 Humboldt Alder Point Eel River 152 Comment
  CDA36054  Ceanothus integerrimus var. macrothyrsus CDFA Staff 1977-6-21 Humboldt Willow Creek. 0 Comment
  CAS-BOT-BC52044  Ceanothus prostratus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  CAS-BOT-BC52980  Ceanothus thyrsiflorus Doris K. Kildale 1928-5-19 5150 Humboldt Chalk Mountain Comment
  CAS-BOT-BC53000  Ceanothus thyrsiflorus Joseph P. Tracy 1935-6-2 13924 Humboldt Big Lagoon 60 Comment
  HSC45658  Ceanothus thyrsiflorus Diane L. Reed 1978-4-29 43 Humboldt Trinidad Head Comment
  RSA600896  Ceanothus thyrsiflorus Louis C. Wheeler 1959-8-1 7618 Humboldt Queens Peak Mine. Comment
  UC1193281  Ceanothus thyrsiflorus K. Cuff 124 Humboldt 8 mi e Petrolia; Quad. 28A3 60 Comment
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Jul 25 2009
  UC1198011  Ceanothus thyrsiflorus Joseph P. Tracy 1933-6-7 12520 Humboldt Blue Slide Van Duzen River, Blue Slide (on Van Duzen River) 91 Comment
  UC176985  Ceanothus thyrsiflorus Joseph P. Tracy 1912-7-23 3800 Humboldt 5 mi above the mouth South Fork Eel River; Northern Coast Ranges, along South Fork Eel River 30 Comment
  UC668161  Ceanothus thyrsiflorus Joseph P. Tracy 1937-5-30 15317 Humboldt Bridgeville 198 Comment
  SBBG4534  Ceanothus thyrsiflorus var. thyrsiflorus H. and M. Dearing 1933-5-17 977 Humboldt N of Big Lagoon Comment
  HSC100907  Ceanothus velutinus Carl C. Marshall Jun 1886 257 Humboldt Ridges. 915 Comment
  UC1199120  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Eureka 60 Comment
  CDA7083  Centaurea calcitrapa T. C. Fuller 1960-8-25 4974 Humboldt Around Pacific Lumber Company barn, across Eel River from South Fork. 0 Comment
  HSC61725  Centaurea solstitialis Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 198 Comment
  SEINET202640  Centaurium erythraea Unknown 1954-8-10 4755 Humboldt Along US Highway 101, one mile south of Garberville. 213 Comment
  RSA20843  Cerastium arvense C. B. Wolf 1937-6-18 8883 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC79373  Cerastium glomeratum Kenneth Clark 1980-3-27 552 Humboldt Above Dead Man's Gulch 183 Comment
  HSC4103  Cerastium glomeratum S. R. Johnson 1965-4-16 43 Humboldt 1.5 mi. N of Luffenholtz Beach. Comment
  HSC68022  Cerastium glomeratum J. P. Smith, Steve Selva 1970-6-30 4140 Humboldt Comment
  HSC83997  Cerastium glomeratum L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 220 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  HSC60028  Cercis occidentalis M. A. Baker 1977-6-6 369 Humboldt Hoopa Comment
  JEPS44706  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1929-8-25 8661 Humboldt Trinity River Valley at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC1193  Chamaecyparis lawsoniana J. C. Reppas 1963-3-2 50 Humboldt 820 Fickle Hill Rd. Comment
  RSA47095  Chamaecyparis lawsoniana Doris K. Kildale 1926-8-15 2522 Humboldt Willow Creek Flat-- up Willow Creek above[?] 3 mi. from mouth 152 Comment
  CAS-BOT-BC166041  Chamerion angustifolium subsp. circumvagum T. Mosquin; L. Mosquin 1962-6-19 4492 Humboldt Along highway at north end of bridge over Big Lagoon, north of Eureka Comment
  HSC98520  Chamerion angustifolium subsp. circumvagum Cara Witte 2008-8-6 998 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  UC1122511  Chamerion angustifolium subsp. circumvagum H. L. Person 1932-7-16 Humboldt hwy n Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC144090  Chamerion angustifolium subsp. circumvagum J. P. Tracy 1903-8-9 1938 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1222586  Chenopodium ambrosioides Joseph P. Tracy 1950-9-22 19377 Humboldt near Slate Creek (8 mi below Orleans); Klamath River 121 Comment
  CAS-BOT-BC473031  Chenopodium macrospermum var. farinosum Malcom A. Nobs; S. Galen Smith 1949-8-11 1340 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  HSC17948  Chimaphila menziesii D. E. Anderson 1963-5-18 2449 Humboldt Near junction of New and Trinity Rivers Comment
  UC1197594  Chimaphila umbellata Joseph P. Tracy 1911-7-7 3421 Humboldt ridge n. of Willow Creek (between Willow & Campbell Creeks, Brannan Mt, near summit); Northern Coast Ranges, Brannan Mt. 1219 Comment
  UC1197603  Chimaphila umbellata Joseph P. Tracy 1948-8-15 18140 Humboldt on ridge 2 mi. e. Grove's Prairie (Trinity Summit); Trinity Summit 1524 Comment
  UC412888  Chimaphila umbellata Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC21656  Chimaphila umbellata Bolander June 1867 6543 Humboldt Parker's Station, Eureka Trail Comment
  HSC22044  Chlorogalum pomeridianum var. pomeridianum D. G. Hauger 1967-7-15 26 Humboldt Comment
  CAS-BOT-BC237976  Chloropyron maritimum subsp. maritimum J. D. Ackerman 1975-8-2 615 Humboldt Humboldt Bay, across from Murray Field (Eureka Airport). Near railroad tracks and hwy. 101 Comment
  UC503101  Chrysolepis sempervirens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8951 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  RSA170226  Chrysosplenium glechomifolium Joseph P. Tracy 1918-4-28 4888 Humboldt At Eureka 0 Comment
  UC642242  Cicuta douglasii Joseph P. Tracy 1927-9-25 8379 Humboldt 2 mi s of Field's Landing (near Still Ranch) 6 Comment
  UC1145089  Cinna latifolia Joseph P. Tracy 1936-8-7 15087 Humboldt head of Little Hors-Linto Creek Trinity Summit; , head of Little Hors-Linto Creek 1371 Comment
  SEINET8726116 Image available Circaea alpina Unknown 1936-1 s.n. Humboldt Damp wooded bank of Yager creek at 2400 feet altitude, Humboldt County, California. 732 Comment
  CDA20043  Cirsium arvense E. Finley 2002-8-8 PDR 1035509 Humboldt Northwestern California; 0.7 mi S of Del Norte county on Hwy 101 between MM 136.36 and MM 136.38. 0 Comment
  HSC5373  Cirsium arvense Paul Shields 1955-9-29 Humboldt 1/2 mi. S Fernbridge Comment
  UCD130557  Cirsium arvense Collector Unknown Date Unknown s.n. Humboldt Exact location unknown. Comment
  SEINET9341561  Cirsium brevifolium Unknown 1948-9-3 1850 Humboldt Humboldt Comment
  JEPS23566  Cirsium brevistylum Peter H. Raven, R. Snow 1958-7-20 13648 Humboldt 0.7 mi s U.S. Highway 299 (along Titlow Hill Road); Titlow Hill Road Comment
  SEINET11263070  Cirsium douglasii var. canescens Thomas Nelson 1976-7-9 2987 Humboldt Beside 1S07 just west of summit.; 0 1585 Comment
  CDA1218  Cirsium douglasii var. douglasii T. C. Fuller 1962-8-6 9352 Humboldt Hwy 299, 3.4 miles east of Berry Summit. Comment
  CAS-BOT-BC279976  Cirsium douglasii var. douglasii Peter H. Raven; R. Snow 1958-7-20 13647 Humboldt Along Titlow Hill Road 3.8 miles south of United States Highway 299 Comment
  UC129605  Cirsium occidentale var. candidissimum Harley P. Chandler 1901-6-1 1490 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  CAS-BOT-BC288717  Cirsium remotifolium Doris K Niles 1948-7-26 4 Humboldt Eel River bottom, A. D. Niles Field Comment
  CDA1546  Cirsium remotifolium T. C. Fuller 1958-6-17 600 -58 Humboldt Wildcat Ridge near Bunker Hill. (Mattole Rd., S of Ferndale). 0 Comment
  RSA0070877  Cirsium remotifolium Joseph P. Tracy 1949-8-11 18472 Humboldt East of headwaters of Redwood Creek, beginning where the electric power line crosses, and working south. Kinsey Ridge, south from Grouse Mt., 2 to 6 miles. 1280 Comment
  UCD130816  Cirsium vulgare R. E. Nelson 1956-7-3 192 a Humboldt 1.5 miles south of Brush Mountain in vicinity of Salyer , Six Rivers National Forest. 792 Comment
  HSC16236  Clarkia amoena J. P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, S of point of the Cape 3 Comment
  UC1541507  Clarkia amoena H. E. and S. T. Parks June 1928 256 Humboldt Hartsook 121 Comment
  UC1222854  Clarkia amoena Joseph P. Tracy 1951-6-30 19601 Humboldt Trinity Highway, at Berry's North Coast Ranges, Redwood Creek 274 Comment
  UC677710  Clarkia amoena S. K. Harris 1936-6-25 671 Humboldt road from Petrolia to Cape Mendocino (s side of Domingo Gulch) 30 Comment
  UC583076  Clarkia amoena subsp. amoena P. A. Munz 1936-8-10 14339 Humboldt 15 mi e Bridgeville; Little Van Duzen River Comment
  UC20318  Clarkia amoena subsp. whitneyi H. N. Bolander 1866-1 6534 Humboldt Shelter Cove; ; Shelter Cove, Humboldt Co. Comment
  UC1537616  Clarkia concinna subsp. concinna Gordon H. True Jr. 1936-5-11 455 Humboldt w Miranda; Salmon Creek 457 Comment
  CAS-BOT-BC164593  Clarkia gracilis subsp. gracilis Harley P. Chandler 1901-6-1 1363 Humboldt Hupa Indian Reservation 152 Comment
  UC183772  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1912-7-31 3907 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  HSC41252  Claytonia exigua subsp. glauca Brad Klipfel 1974-5-27 401 Humboldt Horse Mtn. Comment
  UC183596  Claytonia exigua subsp. glauca Joseph P. Tracy 1913-5-4 4049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC98784  Claytonia lanceolata Cara Witte 2008-6-2 663 Humboldt National Forest 1. 2 miles south of intersection with Forest Service Road 5N09. 1588 Comment
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Sep 23 2019
  UC161024  Claytonia parviflora subsp. parviflora Joseph P. Tracy 1911-6-4 3211 Humboldt 5 mi from coast Little River (along Little River); Northern Coast Region 121 Comment
  CAS-BOT-BC440090  Claytonia perfoliata subsp. perfoliata J. M. Miller 1974-6-3 369 Humboldt Horse Mtn; 2.6 mi. s. of U.S. 299 on the Horse Mtn/Titlow Hill rd. On the west side of the road. 1066 Comment
  UC203565  Claytonia rubra subsp. rubra Joseph P. Tracy 1918-4-14 4871 Humboldt Fish's Mill Creek; Northern Coast Ranges, Dows Prairie 60 Comment
  HSC54539  Claytonia sibirica Overton, Butler 1979-7-23 9515 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC55276  Claytonia sibirica Overton, Butler 1979-8-2 12679 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  OBI33239  Claytonia sibirica David J. Keil 1983-7-1 17261 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  POM117947  Claytonia sibirica Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC162972  Claytonia sibirica Joseph P. Tracy 1908-6 2860 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC443889  Claytonia sibirica C. D. Duncan 1920-9-27 s.n. Humboldt Supply Creek Canon [Canyon] near Hoopa Comment
  RSA0059513  Claytonia sibirica H. M. Pollard 1948-7-22 s.n. Humboldt Perch Creek Canyon, near Orleans. Comment
  UCD100893  Claytonia sibirica D. Sanchez-Mata; S. Rivas-Martinez, M. Costa and M. Ladero 1998-6-10 s.n. Humboldt Trinidad-Klamath Glenn. Prairie Creek State Park. Prairie Creek Trail. 125 Comment
  HSC14260  Clinopodium douglasii Paul Shields Jun 1955 Humboldt 3 mi. N of Weott Comment
  HSC95091  Clinopodium douglasii Andrea Pickart 2002-6-30 134 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 30 Comment
  JEPS61597  Clintonia andrewsiana Lincoln Constance 1934-6-3 810 Humboldt 1 mi n of Dyerville (road from High Rock (on Redwood Hwy) to Horse Prairie, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  HSC72683  Clintonia uniflora J. P. Smith 1977-7-3 9265 Humboldt Onion Lake Comment
  SEINET4170316  Clintonia uniflora Unknown 1908-6-27 2733 Humboldt Along Van Duzen River at foot of Buck Mountain, northwest slope 305 Comment
  SBBG66416  Collinsia grandiflora H. E. Parks, J. P. Tracy 1930-5-25 741 Humboldt Laribee Valley (Larabee Valley) 762 Comment
  UC1174489  Collinsia grandiflora Volney Rattan 1903-1 1878 Humboldt Comment
  HSC44767  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1977-6-19 3457 Humboldt W side of Middle Peak of Mt. Lassic group 1768 Comment
  JEPS25064  Collinsia heterophylla Joseph P. Tracy 1948-6-13 18049 Humboldt near Harris 609 Comment
  HSC96243  Collinsia linearis Laurel Goldsmith, Wanda Naylor 2005-6-8 4 Humboldt 1.7 mi. S of Hwy. 299 on Titlow Hill Rd. 980 Comment
  RSA127512  Collinsia linearis Milo S. Baker 1946-6-15 11486 Humboldt Near Head of Willow Cr. Canyon, Trinity Hwy. Comment
  UC604633  Collinsia parviflora Joseph P. Tracy 1938-6-13 15922 Humboldt Grouse Mountain, at Cold Springs Cold Springs; Grouse Mountain, Cold Springs 1432 Comment
  HSC97484  Collinsia parviflora Cara Witte 2007-5-21 57 Humboldt Board Camp Mountain. 1/2 mile south of intersection with 4N38 and National Forest 1. 1427 Comment
  RSA125053  Collinsia rattanii Peter H. Raven, R. Snow 1958-7-20 13633 Humboldt 2.8 miles south of junction of Titlow Hill and Friday Ridge roads, near Grouse Mountain. Comment
  JEPS25071  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1904-4-3 2007 Humboldt immed. vicinity Eureka 0 Comment
  UC908752  Collomia grandiflora Joseph P. Tracy 1933-7-3 12635 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC58012  Collomia heterophylla G. L. Clifton 1979-7-31 11810 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC45828  Collomia heterophylla J. P. Smith, J. O. Sawyer 1973-5-12 6672 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  UC1197848  Collomia heterophylla Joseph P. Tracy 1914-5-14 4461 Humboldt Fort Seward Northern Coast Region 121 Comment
  UC717114  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Fickle Hill Road to Boynton Prairie (roadside banks; Sn 2 e) 600 Comment
  UC1197862  Collomia tinctoria Joseph P. Tracy Jul 16 1930-Jul 19 1930 8965 Humboldt openings in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  BLMAR298  Comarum palustre Jennifer Anthony-Wheeler 2002-7-23 298 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  UC1197343  Conioselinum pacificum Joseph P. Tracy 1914-7-12 4579 Humboldt near Indianola; Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC23830  Conium maculatum R. A. Vanbianchi 1971-11-19 102 Humboldt Along Fieldbrook Rd., 3 mi from junction with Hwy 299 Comment
  HSC38916  Conium maculatum J. P. Smith 1973-5-26 6794 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA246751  Conium maculatum R. F. Thorne, P. Everett 1965-8-8 35237 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  CDA30705  Conyza canadensis M. K. Beyers, I. Shepardson 2009-9-13 254 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  HSC33175  Conyza canadensis Thomas W. Nelson 1973-8-19 1113 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC91919  Conyza canadensis E. Mackey 1987-9-5 Humboldt Patricks Point State Park; in dune area Comment
  HSC38101  Coptis laciniata Thomas W. Nelson, James Nelson 1976-5-30 2620 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1196211  Coptis laciniata Joseph P. Tracy 1915-8-2 4663 Humboldt Northern Coast Ranges, Mouht of Lawrence Creek Lawrence Creek; Northern Coast Ranges, Lawrence Creek 152 Comment
Read comments
Jan 22 2014
  CAS-BOT-BC133715  Corallorhiza Doris Kildale Gillespie 1931-6-7 10659 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC44517  Corallorhiza maculata Brad Klipfel 1973-7-1 125 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CHSC63435  Corallorhiza mertensiana Vernon H. Oswald 1994-6-29 6366 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 7.3 mi N of Titlow Hill Rd., 0.8 mi S of Brush Mtn Lookout Rd., S of Hwy. 299 and Willow Creek. 975 Comment
  HSC63188  Corallorhiza mertensiana M. A. Baker 1979-6-8 805 Humboldt 1.5 km. N of Gan's Prairie along Bald Hills Road Comment
  UC1046561  Corallorhiza mertensiana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3420 Humboldt 4700 ft ridge between Mad River and; Bald Mountain, Snow CamRedwood Creek Comment
  RSA21024  Cordylanthus maritimus subsp. palustris Carl B. Wolf 1937-9-12 9278 Humboldt Humboldt Bay, 1 mile south of Arcata on road to Eureka. 3 Comment
  CAS-BOT-BC101140  Corethrogyne filaginifolia D. M. Gordon 1982-9-20 s.n. Humboldt End of county road (Lanphere Rd.) on Hunt property. Lanphere-Christensen Dunes Preserve, 3 miles west of Arcata Comment
  UC205481  Cornus glabrata Joseph P. Tracy 1919-9-14 5210 Humboldt at Lack Pond (Trinity R. Valley near Willow Creek); Northern Coast Ranges, Trinity R. Valley 152 Comment
  HSC39628  Cornus nuttallii Thomas W. Nelson, Jane P. Nelson 1976-6-15 2733 Humboldt Just W of Goat Hill, along branch road off FS 2S08 1463 Comment
  HSC41339  Cornus nuttallii Brad Klipfel 1974-9-7 561 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  RSA1406  Cornus nuttallii E. R. Johnson 1929-08 1432 Humboldt Eel River. 91 Comment
  UC502981  Cornus sericea subsp. sericea Joseph P. Tracy 1929-8-18 8654 Humboldt opposite Buck Mt. (on Van Duzen R., Dinsmore's Ranch); Northern Coast Ranges, Van Duzen R., Dinsmore's Ranch 670 Comment
  UC1199211  Coronopus didymus Joseph P. Tracy 1901-7-31 1234 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  HSC38648  Coronopus didymus J. P. Smith 1970-11-18 4629 Humboldt HSU campus Comment
  CDA1906  Cortaderia jubata T. C. Fuller 1966-10-4 15238 Humboldt Northwestern; Outer North Coast Ranges region; 1100 acres, slope N above headquarters of Georgia Pacific Lumber Co. 0 Comment
  HSC97380  Cortaderia jubata J. P. Smith 2007-9-29 12426 Humboldt Along Hilfiker Ln., just N of the Elk River Sewage Treatment Plant 2 Comment
  HSC41356  Corylus cornuta subsp. californica Brad Klipfel 1974-8-2 505 Humboldt Horse Mtn. Comment
  HSC65072  Corylus cornuta subsp. californica J. P. Smith, Steve Selva 1970-6-14 3856 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  OBI36662  Corylus cornuta subsp. californica David J. Keil 1983-7-2 17312 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll Rd below Horse Mtn Summit Rd Comment
  RSA152313  Corylus cornuta var. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, along Hookton road. 9 Comment
  SEINET3817856  Cotula coronopifolia Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-9 15319 Humboldt Clam beach, 15 miles north Eureka Comment
  UC1192141  Cotula coronopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-3 1163 Humboldt 1 mi s of Fields Landing; Eel River Valley Comment
  UC198581  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton Northern Coast Region, Alton 30 Comment
  SEINET13729302  Crassula aquatica Unknown 1912-6-9 3689 Humboldt Plants of Northern Coast Region of Califonia In muddy ground. ALTON, HUMBOLDT COUNTY Altitude 100 to 300 Comment
  UC166027  Crassula connata var. subsimplex Joseph P. Tracy 1910-4-24 3125 Humboldt sand dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, , Ocean Beach Comment
  CAS-BOT-BC290589  Crepis capillaris David D. Keck; J. Clausen 1935-6-16 3397 Humboldt Orick Comment
  JEPS27144  Crepis capillaris H. E. Parks August, 1941 24189 Humboldt vicinity of Trinidad Comment
  UCR121767  Crepis capillaris George K. Helmkamp, E. A. Helmkamp 2001-7-8 6998 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  UCSC000834  Crepis capillaris H. L. Person 1931-7-30 s.n. Humboldt Eureka, Fieldbrook Comment
  CAS-BOT-BC290848  Crepis pleurocarpa Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC71588  Crepis pleurocarpa M. A. Baker 1980-6-26 2393 Humboldt Near Sims Creek 610 Comment
  HSC5436  Crepis pleurocarpa H. E. Parks, J. P. Tracy 1934-6-27 11037 Humboldt Horse Mtn. Comment
  HSC98848  Crepis pleurocarpa Cara Witte 2008-7-11 871 Humboldt National Forest Road 6N36. 1/4 mile from intersection with National Forest 1. 1443 Comment
  CAS-BOT-BC290910  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto [Horse Linto] Creek 152 Comment
  HSC5462  Crocidium multicaule D. H. Norris 1969-3-1 2272 Humboldt Along Trinity River at Norton Creek, ca. 4 mi. N of Hoopa Comment
  POM126511  Crocidium multicaule Joseph P. Tracy 1922-5-29 6075 Humboldt South Yager Creek Valley. 762 Comment
  SEINET10529035  Crocosmia aurea Charlene A. Bennett 1976-8-6 Bennett 477 Humboldt Collected by hwy. 101, N side of orick. Rocky area, densely forested by river 30 Comment
  JEPS67665  Cryptantha intermedia W. L. Jepson 1902-7-14 2025 Humboldt Hupa Valley Comment
  HSC78612  Cryptantha leiocarpa L. P. Janeway, Amy Eisenberg 1984-4-24 743 Humboldt On N Spit of Humboldt Bay, SE side of intersection of Samoa and Fairhaven Rds. and E of the Willow patch 3 Comment
  UC594247  Cryptantha torreyana S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3425 Humboldt nw slopes Buck Mountain 822 Comment
  HSC102133  Cryptogramma acrostichoides M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1037 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC63877  Cryptogramma acrostichoides M. A. Baker 1979-6-27 926 Humboldt E of Oregon Creek Comment
  HSC73699  Cuscuta californica M. A. Baker 1980-7-15 2970 Humboldt Near Whiting Ridge. 1341 Comment
  HSC98680  Cuscuta californica Cara Witte 2008-7-2 793 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  UC902076  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18407 Humboldt Mud Springs Trinity Summit 1341 Comment
  UC642236  Cyclospermum leptophyllum Joseph P. Tracy 1927-8-20 8333 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River (on Van Duzen River) 91 Comment
  HSC20640  Cymbalaria muralis A. D. Sajecki 1967-7-24 15 Humboldt Behind H.S.C. Campus Comment
  HSC26843  Cymbalaria muralis Thomas W. Nelson 1971-1-8 323 Humboldt In and about Ferndale Comment
  HSC10939  Cynodon dactylon D. E. Anderson 1965-6-10 3788 Humboldt Along Hwy. 101 in south part of Eureka Comment
  JEPS39358  Cynoglossum grande Lincoln Constance 1934-6-7 831 Humboldt Bull Creek Region, S. Fork Eel R., Johnson Prairie Comment
  UC1239626  Cynoglossum grande Joseph P. Tracy 1923-3-17 6166 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  UCD119159  Cynoglossum grande D. W. Cooper 1971-5-11 s.n. Humboldt On Charles Moore's ranch on Kneeland Ridge, ca. 10 miles east of Eureka. Comment
  HSC90700  Cynosurus cristatus Gail Newton 1982-6-10 3603 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  UCD60186  Cynosurus echinatus Joseph P. Tracy 1950-6-23 18865 Humboldt Dobbyn Creek, 3 miles northeast of Alderpoint. 213 Comment
  UC668030  Cyperus bipartitus Joseph P. Tracy 1938-8-14 16113 Humboldt slopes w. of its mouth S. Fork Trinity R. 304 Comment
  UC1103636  Cyperus squarrosus Joseph P. Tracy 1921-10-9 5969 Humboldt Mad R. at Blue Lake; Northern Coast Ranges, Mad R. 30 Comment
  HSC7284  Cyperus strigosus D. E. Anderson 1963-9-21 2839 Humboldt 0.5 mi E of Willow Creek Comment
  UC1196445  Cypripedium montanum D. F. Young 1924-4-26 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCR123955  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6970 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC71613  Cytisus scoparius J. P. Smith 1973-5-26 6833 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UCD105685  Cytisus scoparius R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  HSC14662  Cytisus scoparius var. andreanus T. M. Mingo May 1965 Humboldt About 4 mi. N of College Cove Comment
  HSC22835  Dactylis glomerata B. D. Rogers 1964-4-28 28464 Humboldt Humboldt State campus near Redwood Hall parking lot Comment
  UC37939  Dactylis glomerata Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5431 Humboldt Hubbard's Station Comment
  CAS-BOT-BC189742  Danthonia californica Joseph P. Tracy 1930-7-10 8860 Humboldt Northern Coast Ranges. Brannan Mountain. 1219 Comment
  CAS-BOT-BC189744  Danthonia californica Joseph P. Tracy 1932-7-10 10392 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 Comment
  UC1152022  Danthonia californica Joseph P. Tracy 1951-6-26 19572 Humboldt Snow Camp and Twin Lakes vicinity Comment
  UC181243  Danthonia californica var. americana Joseph P. Tracy 1913-6-13 4098 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River, Dinsmore's 762 Comment
  UCD60698  Danthonia californica var. americana G. L. Stebbins Jr. 1942-6-3 3483 Humboldt Near Garberville, 1.4 miles on road to Harris. Comment
  RSA43886  Daucus carota H. M. Pollard 1948-8-7 s.n. Humboldt Near Orleans Comment
  UC642294  Daucus pusillus Joseph P. Tracy 1936-6-8 14870 Humboldt bluffs facing ocean Trinidad 3 Comment
  RSA304852  Delphinium decorum subsp. decorum James R. Shevock 1971-5-29 1137 Humboldt Trinity Hwy 299. 244 Comment
  HSC56235  Delphinium glaucum Walter Overton 1979-8-1 12316 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  CAS-BOT-BC10317  Delphinium hesperium Doris K. Kildale 1926-5-31 2079 Humboldt Cold Brook Camp between Kilipeville & lower Lake Comment
  HSC25010  Delphinium nudicaule G. N. Bos 1965-5-15 270 Humboldt 2 mi. W of Berry Summit along U.S. 299. 701 Comment
  UC1196335  Delphinium trolliifolium Joseph P. Tracy 1946-6-15 17562 Humboldt foothills of Horse Mountain 1066 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
  UCSB2009  Delphinium trolliifolium Keator, Glenn 1958-6-18 Humboldt Near Kneeland Comment
  UC187264  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1904-7-31 2129 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC1103222  Deschampsia danthonioides Joseph P. Tracy 1932-5-26 10276 Humboldt Fort Baker Ranch North Coast Ranges, Fort Baker Ranch 762 Comment
  HSC72638  Deschampsia elongata J. P. Smith 1977-7-3 9245 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  RSA183518  Deschampsia elongata D. E. Anderson 1965-9-5 4075 Humboldt Along Mad River, ca. 3 miles south of Blue Lake. Comment
  UC526672  Deschampsia elongata Joseph P. Tracy 1932-7-17 10680 Humboldt ridges e. of Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  CHSC95018  Dicentra formosa K. Lang; J. Lang 2005-3-14 28 Humboldt Trinidad, N. California coast 51 Comment
  HSC55099  Dicentra formosa G. L. Clifton 1979-7-31 11813 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC26869  Dicentra formosa Clifton Raymond Chesbrough 1973-6-19 93 Humboldt 1/2 mi. N of College Cove Comment
  CAS-BOT-BC402405  Dicentra formosa subsp. formosa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  JEPS9732  Dicentra pauciflora Joseph P. Tracy 1933-7-11 12691 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  CAS-BOT-BC209193  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1931-5-17 9427 Humboldt Along river, Willow Creek, Trinity River Valley. 152 Comment
  CAS-BOT-BC209196  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1900-8-26 925 Humboldt Eureka 60 Comment
  CAS-BOT-BC208955  Dichanthelium oligosanthes subsp. scribnerianum Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region. Comment
  SEINET200695  Dichelostemma X venustum Joseph P. Tracy 1923-7-4 6524 Humboldt Valley of South Yager Creek 762 Comment
  UC176352  Dichelostemma capitatum Joseph P. Tracy 1913-6-13 4102 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northen Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC95583  Dichelostemma capitatum subsp. capitatum Andrea Pickart 2002-5-13 99 Humboldt Lamphere Dunes, Humboldt National Wildlife Refuge Comment
  RSA0031358  Dichelostemma capitatum subsp. capitatum Hutchinson 1927-05 s.n. Humboldt Unspecified. Comment
  JEPS5682  Dichelostemma ida-maia W. L. Jepson 1902-6 2132 Humboldt Three Creeks to Redwood Creek (near summit of grade) Comment
  HSC38524  Dichelostemma multiflorum D. E. Anderson, J. P. Smith 1971-6-18 - 1072 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  SEINET10533938  Dichelostemma pulchellum Botany 1985-4-20 BOTANY s.n. Humboldt T34m,r6e,sec.14. Burnt ranch campground off hwy 299. Open sunny site near black Oak-douglas fir habitat 433 Comment
  JEPS11291  Digitalis purpurea Lincoln Constance 1934-5-26 682 Humboldt s end Dyerville Bridge (bar of South Fork of Eel River); South Fork Eel River, Bull Creek Region 45 Comment
  CAS-BOT-BC150341  Diplacus aurantiacus E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  CHSC94932  Diplacus aurantiacus K. Lang; J. Lang 2005-3-16 49 Humboldt Trinidad, N. California coast. 51 Comment
  SEINET13751974 Image available Diplacus aurantiacus H. E. Parks, S. T. Parks 1951-1 Humboldt Along bay shore near landing. Trinidad. Comment
  CAS-BOT-BC153240  Diplacus kelloggii Doris K. Kildale 1928-5-1 5985 Humboldt [MacLellan] McClellan Mountain 914 Comment
  UC30077  Disporum hookeri Harley P. Chandler May, 1901 1089 Humboldt North Coast Ranges 152 Comment
  CHSC13521  Disporum smithii A. R. Morrison 1974-4-27 Humboldt Ca. 1.5 mi. off Hwy. 101 on Westhaven Rd., Trinidad. 45 Comment
  POM277205  Disporum smithii Lyman Benson 1929-6-12 1752 Humboldt Weott Ranger St[ation]; S Fork Eel River. Comment
  HSC9637  Distichlis spicata J. Wendell Howe 1934-7-19 1311 Humboldt Edge of Humboldt Bay Comment
  UC34066  Distichlis spicata J. P. Tracy 1900-7-4 869 Humboldt Samoa Comment
  UC1198619  Dodecatheon hendersonii Joseph P. Tracy 1923-3-17 6165 Humboldt vicinity Garberville; vicinity of Garberville 121 Comment
  HSC56167  Dodecatheon jeffreyi G. L. Clifton, Griswold 1979-8-1 12056 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC3845  Downingia elegans Doris K. Niles 1940-7-20 2 Humboldt Summit of Friday Ridge Rd., Grouse Mtn. 1829 Comment
  RSA0011669  Drosera rotundifolia Patricia Wilder 1968-8-21 4380 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  UCSB26681  Drosera rotundifolia Havlik, Neil 1968-8-21 Humboldt South end of Big Lagoon; north of Trinidad Comment
  CAS-BOT-BC159611  Drymocallis glandulosa var. glandulosa Carl B. Wolf 1937-6-19 8908 Humboldt Van Duzen River at Dunns Mill, 5 mi. below Bridgeville 91 Comment
  UC1198693  Drymocallis glandulosa var. glandulosa H. E. Parks and Joseph P. Tracy 1931-5-17 10085 Humboldt Trinity River at Willow Creek; Northern Coast Ranges, Trinity River at Willow Creek 152 Comment
  JEPS48708  Drymocallis lactea var. austiniae Hilda W. Grinnell 1932-7-22 37 Humboldt McKay Camp South Fork Mt., McKay Camp Comment
  HSC58166  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-2 12232 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  CAS-BOT-BC70872  Dryopteris arguta Doris K. Kildale 1928-12-30 6884 Humboldt Phillipsville Comment
  HSC26394  Dudleya farinosa T. O. Osborne 1970-9-16 29 Humboldt Trinidad Bay, Prisoner Rock Comment
  HSC97534  Echinochloa crus-galli Ivy Watson 2008-9-11 7 Humboldt Blue Lake, 300m downstream of the Hatchery Rd. bridge, N bank. 20 Comment
  RSA10098  Echinochloa muricata var. microstachya Joseph P. Tracy 1930-10-12 9209 Humboldt Eel River, on gravel bars, Alton to Fortuna 15 Comment
  CAS-BOT-BC113134  Eleocharis pachycarpa Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-11 1346 Humboldt Marshes on eastern side of Big Lagoon. Comment
  RSA246901  Eleocharis pachycarpa Robert F. Thorne, Percy C. Everett 1965-8-7 35190 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  UC1103660  Eleocharis parishii Joseph P. Tracy 1919-5-31 5178 Humboldt near, shore of Lack pond Willow Creek; Trinity River Valley 152 Comment
  HSC54641  Elymus glaucus Overton, Butler 1979-7-24 9813 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC38141  Elymus glaucus Joseph Burtt Davy and Walter C. Blasdale 1899-6-27 5878 Humboldt Martin's Ferry Comment
  UC552783  Elymus glaucus Joseph P. Tracy 1935-6-22 13958 Humboldt Holmes Flat North Coast Ranges (along river) 60 Comment
  SEINET11683186  Elymus glaucus K. S. Erdman 1970-1 4849 Humboldt Redwood National Park, Redwood Creek, about 2-3 mi above the road end, near McArthur & Elam Creeks Comment
  HSC70693  Elymus multisetus Gail Newton 1980-7-15 1560 Humboldt Near Sims Mtn. 1311 Comment
  HSC72983  Elymus multisetus M. A. Baker 1980-7-11 2785 Humboldt Near Red Mtn. 1341 Comment
  UCD62561  Elymus repens R. Tofsrud 1949-7-1 Humboldt Ferndale. Comment
  SD38380  Epilobium angustifolium Edith A. Purer 1932-7-27 4148 Humboldt Near Samoa Comment
  SDSU8810  Epilobium angustifolium subsp. circumvagum D. F. Howe 1961-8-1 3102 Humboldt 6 miles north of Trinidad on #101. Comment
  HSC54564  Epilobium brachycarpum Overton, Butler 1979-7-24 9583 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  HSC64759  Epilobium brachycarpum Bruce Gordon 1978-8-8 125 Humboldt Redwood National Park, 40 m SW of Bald Hills Rd. about .6 mi. NW of junction of Bald Hills Rd. and K & K Rd. 716 Comment
  RSA40412  Epilobium brachycarpum P. A. Munz 1948-8-13 12348 Humboldt Highway 229, 21 miles E of Blue Lake. 762 Comment
  UC198621  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4855 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  HSC32948  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, James Nelson 1973-5-28 958 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC48320  Epilobium ciliatum subsp. ciliatum Brad Klipfel 1973-8-3 311 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC146135  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1909-7-31 3053 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC562507  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1933-8-30 13028 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC562508  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1935-8-25 14228 Humboldt Corral Prairie Trinity Summit (in meadow) 1584 Comment
  HSC23739  Epilobium ciliatum subsp. watsonii Tim Baroni 1971-6-23 4 Humboldt About 1 mi. S of Ferndale on Mattole Rd. Comment
  HSC16346  Epilobium ciliatum subsp. watsonii D. E. Anderson 1961-8-25 1742 Humboldt 1.5 mi. S of Trinidad Comment
  UC505125  Epilobium densiflorum Joseph P. Tracy 1932-8-21 10361 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower w foothills of mt.) 457 Comment
  HSC41820  Epilobium densiflorum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3699 Humboldt Along old trail above Alder Springs 1616 Comment
  JEPS31503  Epilobium densiflorum Joseph P. Tracy 1938-7-5 16003 Humboldt wet place in flat by old Strong's District School house (5 mi e of town); Carlotta 45 Comment
  UC198605  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes of mt.) 914 Comment
  UC1198488  Epilobium foliosum Joseph P. Tracy 1940-5-18 16565 Humboldt on an exposed rock outcrop Prairie Creek 91 Comment
  UC505112  Epilobium hallianum Joseph P. Tracy 1931-6-28 9589 Humboldt lower foothills of nw slope Northern Coast Ranges, Buck Mountain 762 Comment
  HSC72791  Epilobium minutum M. A. Baker 1980-6-16 1933 Humboldt Near Monks Camp. 1097 Comment
  UC1198495  Epilobium torreyi Joseph P. Tracy 8744 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  BLMAR297  Epipactis gigantea Jennifer Anthony-Wheeler 2002-7-23 297 Humboldt Headwaters Forest Reserve, growing in a pond with large floating rafts of logs 426 Comment
  HSC16602  Epipactis gigantea J. Wendell Howe 1931-6-18 Humboldt Redway Comment
  CAS-BOT-BC58003  Equisetum Doris K. Kildale 1925-8-18 1253 Humboldt McKay's Prarie - Trinity Summit. 1524 Comment
  RSA684659  Equisetum arvense May N. Ackley 1933-5-2 301 Humboldt Redwood Hwy. Comment
  UC519322  Equisetum arvense Joseph P. Tracy 1933-6-7 12518 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  RSA53855  Equisetum hyemale var. affine Henry M. Pollard 1946-8-31 s.n. Humboldt New Wilson Creek, Orleans Mt. Comment
  SBBG29116  Erechtites glomeratus H. E. and S. T. Parks -Jul-1937 24033 Humboldt Spruce Cove, Trinidad 60 Comment
  HSC89505  Erechtites glomeratus M. Roantree 1985-6-10 83 Humboldt East side of Trinidad Head Comment
  HSC81904  Eremogone congesta Thomas W. Nelson 1979-7-11 4994 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  JEPS19193  Ericameria greenei Joseph P. Tracy 1919-9-22 5273 Humboldt open places in Shasta fir belt; Trinity Summit 1889 Comment
  HSC98024  Erigeron aliceae Cara Witte 2007-7-11 509 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  HSC98529  Erigeron aliceae Cara Witte 2007-6-13 265 Humboldt Along Forest Service Rd. 5N04. Near Grouse Mountain 1538 Comment
  RSA93185  Erigeron biolettii F. W. Peirson 1923-7-9 3877 Humboldt Humboldt County State Park Comment
  UCR51767  Erigeron bloomeri var. nudatus H. E. Parks 1937-1 24- 22 Humboldt North Coast, Spruce Cove, Trinidad 61 Comment
  UC1223139  Erigeron foliosus var. confinis Joseph P. Tracy 1950-8-8 19291 Humboldt area Granite Rock; Trinity Summit, Crogan Hole 1676 Comment
  SEINET11859406  Erigeron foliosus var. confinis J. P. Tracy 1947-7-5 17785 Humboldt Trinity Summit, ridge top 1 mi W of Mud Springs Comment
  CAS-BOT-BC300679  Erigeron foliosus var. mendocinus Carl Purdy 1938-1-1 s.n. Humboldt Van Duzen River Comment
  HSC33818  Erigeron foliosus var. mendocinus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1917 Humboldt Growing on moist rock wall beside Hwy 36 W of Grizzley Creek Comment
  RSA47129  Erigeron foliosus var. mendocinus Doris K. Kildale 1925-7-19 1046 Humboldt Bridgeville Comment
  UC1223142  Erigeron foliosus var. mendocinus Joseph P. Tracy 1942-7-18 17284 Humboldt n end of town Garberville (in and adjacent to abandoned field) 152 Comment
  UC196573  Erigeron foliosus var. mendocinus Joseph P. Tracy 1916-9-4 4756 Humboldt head of Canoe Creek; Northern Coast Ranges, Grasshopper Ridge, Canoe Creek 609 Comment
  RSA254794  Erigeron glaucus Thomas W. Nelson 1971-11-11 596 Humboldt Growing on the sand dunes at the foot of Murray Rd. McKinleyville Comment
  SEINET11842961  Erigeron glaucus F. H. Utech 1986-1 86 -408 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  UC581716  Erigeron inornatus var. inornatus Joseph P. Tracy 1933-7-26 12917 Humboldt Grouse Mountain 1630 Comment
  HSC102241  Erigeron inornatus var. inornatus Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  HSC57622  Erigeron klamathensis G. L. Clifton, Griswold 1979-7-25 10752 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC74424  Erigeron klamathensis Gail Newton 1980-7-24 1766 Humboldt Near Somes Mtn. 1615 Comment
  JEPS41380  Erigeron philadelphicus var. philadelphicus Lincoln Constance 1934-5-26 685 Humboldt s end Dyerville Bridge; South Fork Eel River 45 Comment
  JEPS57404  Erigeron philadelphicus var. philadelphicus L. R. Heckard with T. I. Chuang 1968-7-4 1980 Humboldt n end Big Lagoon Comment
  JEPS21936  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1935-5-30 13920 Humboldt near Willow Creek; Trinity River Valley 152 Comment
  UC164846  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1911-7-12 3529 Humboldt Blue Lake Northern Coast Ranges, Blue Lake 60 Comment
  HSC81654  Erigeron robustior Thomas W. Nelson, Jane P. Nelson 1980-7-13 6056 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  CAS-BOT-BC300280  Erigeron strigosus var. strigosus H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC224259  Eriodictyon californicum P. C. Everett; E. K. Balls 1959-10-24 23953 Humboldt 2.8 mi. sw. from Siskiyou-Humboldt Co. line, Somesbar to Orleans 198 Comment
  CAS-BOT-BC224260  Eriodictyon californicum Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville Comment
  SEINET10866398  Eriogonum Mary Susan Taylor 1990-8-22 Taylor 6082 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  HSC55020  Eriogonum compositum Overton, Butler 1979-7-31 11429 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC26656  Eriogonum latifolium J. P. Smith 1971-10-6 4938 Humboldt End of Murray Rd. in McKinleyville. Comment
  SD38695  Eriogonum latifolium Edith A. Purer 1932-7-27 4149 Humboldt Samoa, stabilized sand dunes Comment
  CAS-BOT-BC261490  Eriogonum nudum var. nudum A. A. Heller 1924-7-20 13863 Humboldt Along the Eel River at Phillipsville Comment
  UC1198139  Eriogonum nudum var. nudum Joseph P. Tracy 1939-8-20 16430 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  RSA44500  Eriogonum nudum var. nudum H. M. Pollard 1947-8-22 s.n. Humboldt Klamath River bed near Fontana's Fishing Lodge, Orleans region Comment
  CAS-BOT-BC261729  Eriogonum nudum var. oblongifolium Alice Eastwood 1923-8-16 12328 Humboldt Carlotta Comment
  RSA393303  Eriogonum nudum var. pubiflorum H. M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans. Comment
  SEINET11945862  Eriogonum nutans var. nutans Tiehm 1995-5-21 12092 Humboldt extreme S end of Bilk Creek Mts, just NW of Sod House near where the Quinn River crosses hwy 140 1326 Comment
Read comments
Jun 2 2019
  CAS-BOT-BC435540  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along USFS Rd 1 at S end of Whiting Ridge, about 0.5 air mi WNW of High Salt Ground and 9.3 air mi W of Hyampom 1295 Comment
  UC412902  Eriogonum umbellatum var. nelsoniorum P. E. Goddard 1906-6 657 Humboldt Lasseck Pk. Comment
  SD42330  Eriogonum umbellatum var. polyanthum Carl B. Wolf 1937-8-13 9221 Humboldt North Coast Range; 8 mi. E. of Hoopa Valley on new road towards Trinity Summit Comment
  HSC54745  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10224 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  HSC31448  Eriophorum crinigerum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5566 Humboldt Lower slopes of Black Lassic near Trinity Co. line 1585 Comment
  HSC5583  Eriophyllum lanatum Paul Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  UC165840  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1900-9-10 956 Humboldt near Hydesville (gravel bar of the Van Duzen River); Van Duzen River 60 Comment
  POM358028  Eriophyllum lanatum var. aphanactis Thomas W. Nelson, Jane P. Nelson 1977-7-1 3579 Humboldt Head of North Fork of Conley Creek, W side of road N from Alder Spring. 1463 Comment
  UC129581  Eriophyllum lanatum var. arachnoideum Harley P. Chandler May 1901 1093 Humboldt Scotia North Coast Ranges, Humboldt Bay, Scotia 60 Comment
  HSC35083  Eriophyllum staechadifolium Rudolf W. Becking, Thomas Overturf 1974-9-1 Humboldt S of the mouth of the Mattole River Comment
  HSC7229  Erodium cicutarium D. E. Anderson 1963-5-19 2463 Humboldt Barry Rd., 1/2 mi. W of Kneeland school Comment
  UC1222612  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1951-6-21 19528 Humboldt in bed of former Goose Lake (back of Everett Beck house on ranch, Hydesville); Hydesville, , Everett Beck ranch house Comment
  HSC99491  Erysimum capitatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 150 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  SEINET13732744 Image available Erythranthe primuloides Joseph P. Tracy 1932-1 10534 Humboldt Trinity Summit, Corral Prarie. 1585 Comment
  UC1197647  Erythronium californicum Joseph P. Tracy 1941-4-8 16848 Humboldt serpentine formation along Trinity Hwy Willow Creek Canyon 609 Comment
  HSC48399  Erythronium grandiflorum subsp. grandiflorum Brad Klipfel 1973-6-10 86 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC502808  Erythronium oregonum Lena E. Bowley 1941-4-1 s.n. Humboldt unspecified Comment
  HSC41249  Erythronium oregonum subsp. leucandrum Brad Klipfel 1974-5-27 396 Humboldt Horse Mtn. Comment
  HSC12348  Eschscholzia californica Steve Dorei 1970-10-20 111 Humboldt Along Plaza Ave., 200 ft. SW of Laurel Dr. Comment
  RSA0012595  Eucalyptus globulus Clark L. Miller 1979-5-24 9 -157 Humboldt Along Highway 101 approx. 100 yards from Murrey Road off-ramp. Comment
  UC1223115  Euchiton gymnocephalus Joseph P. Tracy 1946-5-30 17548 Humboldt near old Strong's District School House (burned down); Riverside Park Comment
  HSC5686  Euchiton gymnocephalus David Adams 1960-7-15 Humboldt Near Azalea Reserve State Park 30 Comment
  UC1222481  Euchiton involucratus Joseph P. Tracy 1948-9-26 18232 Humboldt 6 mi se Arcata (at s end of Fickle Hill); Fickle Hill 609 Comment
  JEPS20472  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  SEINET10493552  Euphorbia Mary Susan Taylor 1990-8-22 Taylor 6080 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  HSC100482  Euphorbia lathyris Carl C. Marshall Jun 1885 114 Humboldt Near Arcata fields, etc. Comment
  UC1198979  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  CAS-BOT-BC312206  Eurybia radulina Carl B. Wolf 1937-9-8 9301 Humboldt 11 mi. W. of Redwood Highway, Bull Creek - Petrolia Road, North Coast Range 304 Comment
  HSC66404  Eurybia radulina Ruby Van Deventer 1950-8-15 Humboldt Myers Falt 61 Comment
  UC581784  Eurybia radulina Joseph P. Tracy 1929-10-6 8677 Humboldt Kneeland Prairie, on Butler Valley Road Kneeland Prairie 609 Comment
  HSC22607  Euthamia occidentalis J. P. Smith, J. O. Sawyer 1971-10-16 5050 Humboldt 2.1 mi. E of Carlotta on Calif. 36 Comment
  SEINET3243998  Euthamia occidentalis Joseph P. Tracy 1931-1 9636 Humboldt Lack Pond; in Trinitiy River Valley, opposite mouth of Willow Creek. 152 Comment
  HSC96234  Festuca californica Sara March , Gillian Levy 2005-6-3 6 Humboldt 19.3 mi S of Hwy 299 on NF1 1240 Comment
  UC53434  Festuca californica unknown 1896-6-9 Humboldt South Fork Mts. Northern Coast Ranges Comment
  RSA10106  Festuca californica var. californica Joseph P. Tracy 1926-5-30 7518 Humboldt Willow Creek Canyon. 610 Comment
  POM206178  Festuca idahoensis H. P. Chandler 1901-06 1381 Humboldt Hupa Indian Reservation. 305 Comment
  CAS-BOT-BC278813  Festuca occidentalis J. P. Tracy 1900-5-22 796 Humboldt Immediate vicinity of Eureka 152 Comment
  POM214838  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville. Comment
  RSA10940  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville. Comment
  UC1103725  Festuca occidentalis Joseph P. Tracy 1911-7-7 3415 Humboldt viz ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC1145211  Festuca occidentalis Joseph P. Tracy 1936-7-28 15019 Humboldt Lake Prairie Bald Mountain 1066 Comment
  BLMAR30  Festuca perennis Brad Barr June, 1982 30 Humboldt King range, Smith cabin Comment
  HSC39052  Festuca rubra Linda M. Barker 1976-6-22 1617 Humboldt 3 mi. W of Arcata Comment
  UC1103704  Festuca subulata Joseph P. Tracy 1936-6-17 14945 Humboldt nw slope Buck Mountain 792 Comment
  POM231291  Fragaria chiloensis D. D. Keck, Jens Clausen 1935-6-16 3390 Humboldt Mouth of Little River. Comment
  SD39960  Fragaria chiloensis Edith A. Purer 1932-7-27 4159 Humboldt Samoa, sand dunes Comment
  UC1198726  Fragaria chiloensis Joseph P. Tracy 1901-5-12 1083 Humboldt Eureka, immediate vicinity of 0 Comment
  HSC18619  Fragaria chiloensis D. E. Anderson 1962-3-30 1954 Humboldt Coastal area of Prairie Creek State Park Comment
  SEINET4090923  Fragaria chiloensis O. M. Clark 1932-1 702 Humboldt North Eureka. Comment
  HSC44523  Fragaria vesca Brad Klipfel 1973-7-1 130 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS44672  Fragaria vesca Joseph P. Tracy 1932-7-15 10578 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC457928  Fragaria vesca subsp. californica Doris Kildale Gillespie 1980-5-10 656 Humboldt Shelter Cove, At base of coastal bluffs of Western beach, Point Delgada; Coastal Marine Terrace & Coastal Bluff 4 Comment
  CAS-BOT-BC52741  Frangula californica subsp. californica Doris K. Kildale 1926-6-13 2162 Humboldt Briceland Bridge 1/2 west of Garberville. 114 Comment
  CAS-BOT-BC59964  Frangula purshiana W. R. Dudley 1899-6-19 s.n. Humboldt Scotia. 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
  CAS-BOT-BC217698  Fraxinus latifolia Doris K. Kildale 1927-5-13 3142 Humboldt Redwood Creek at Berry's 289 Comment
  UC1198635  Fraxinus latifolia Joseph P. Tracy 1942-6-2 17106 Humboldt Valley of South Yager Creek 762 Comment
  HSC33079  Fritillaria affinis Thomas W. Nelson, J. D. Ackerman 1974-5-14 1268 Humboldt Beside old Samoa-Crannell railroad bed adjacent to the Mad River Slough N of Emerson Mill Comment
  UC666944  Fritillaria affinis Joseph P. Tracy 1927-4-24 7941 Humboldt Table Bluff 152 Comment
  UC1539972  Fritillaria affinis Joseph P. Tracy 1910-4-24 3122 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC65514  Fritillaria purdyi M. A. Baker 1980-6-8 1910 Humboldt Near Buck Flat. 1554 Comment
  SEINET8272054  Fritillaria purdyi Doris K. Kildale 1926-3-21 1575 Humboldt Kneeland Prairie. Comment
  HSC31447  Fritillaria recurva D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5564 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  CDA38142  Fuchsia magellanica G. D. Barbe, T. C. Fuller 1974-6-18 1872 Humboldt Loop trail above Fern Canyon, Prairie Creek Redwood State Park, 7.1 miles west of Highway 101 on Fern Canyon Road, 5 miles south of Klamath River. 0 Comment
  HSC99827  Galium aparine Jimerson, Pageau 1979-6-13 541 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  JEPS25689  Galium aparine P. C. Hutchison 1961-5-22 2011 Humboldt on road to Horse Mt. 1.1 mi s Berry Summit ((<Berry Summit> is at 2871 ft alt. on hiway US 299), nw-facing exposure) 914 Comment
  UC602509  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  POM338118  Galium californicum F. R. Fosberg 1948-8-28 30044 Humboldt Between Benbow and Garberville. Comment
  RSA47104  Galium californicum Doris K. Kildale 1925-7-19 1053 Humboldt Bridgeville. 290 Comment
  JEPS81017  Galium divaricatum Thomas W. Nelson and Jane P. Nelson 1977-9-4 3746 Humboldt in cultivated area town of Willow Creek Comment
  HSC31221  Galium muricatum D. E. Anderson 1972-6-20 5727 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  SEINET7722393  Galium nuttallii Chesnut, Drew Humboldt S. Fork Mt. Comment
  POM90778  Galium trifidum Chesnut, E. R. Drew 1888-7-8 s.n. Humboldt Near Campbell's. Comment
  UC602542  Galium trifidum Joseph P. Tracy 1927-7-17 8273 Humboldt lower w foothills of Chaparral Mountain; North Coast Ranges, Three Cabins 457 Comment
  SD88387  Galium trifidum subsp. columbianum Darley F. Howe 1972-6-30 Humboldt Trinidad Comment
  HSC58322  Galium triflorum Overton, Butler 1979-8-2 12619 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC19825  Galium triflorum Yarick 1960-8-5 Humboldt M&M, 7 mi., Krueger Creek Comment
  CAS-BOT-BC188534  Garrya elliptica Joseph P. Tracy 1943-6-18 17441 Humboldt Bank of Big Lagoon 6 Comment
  CAS-BOT-BC188550  Garrya elliptica J. P. Tracy 1911-10-22 3549 Humboldt Immediate vicinity of Eureka 152 Comment
  HSC49918  Garrya elliptica Maralyn O'Meara 1973-2-19 191 Humboldt McKinleyville, Murray Rd. Comment
  UC1196885  Garrya elliptica Joseph P. Tracy 1921-3-6 5417 Humboldt Hydesville; Northern Coast Region 30 Comment
  UC634769  Garrya elliptica H. L. Mason 1932-7-21 7105 Humboldt Big Lagoon Comment
  UC906741  Garrya elliptica Joseph P. Tracy 1943-7-18 17441 Humboldt bank of Big Lagoon 6 Comment
  UCD121099  Garrya elliptica Linda M. Barker 1976-1-24 1310 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UCSB15521  Garrya elliptica Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samosa on peninsula on western side of Humboldt Bay. Comment
  HSC72925  Garrya fremontii Gail Newton 1980-7-22 1679 Humboldt Near Devils Backbone 231 Comment
  SEINET200332 Image available Gastridium phleoides J. P. Tracy 1912-7-26 3824 Humboldt Kneeland Prairie Comment
  CAS-BOT-BC56297  Gaultheria ovatifolia R. Bacigalupi; L. Constance; J. P. Tracy; R. Moran; R. L. Rodriguez; S. Carlquist 1951-6-14 3413 Humboldt Meadow at Snow Camp, ridge between Mad River and Redwood Creek, Bald Mountain 1432 Comment
  HSC74354  Gaultheria ovatifolia Gail Newton 1980-6-17 216 Humboldt Near Onion Mtn. 1341 Comment
  CAS-BOT-BC58908  Gaultheria shallon Carl B. Wolf 1927-8-22 804 Humboldt 1 mile south of Orick Comment
  CHSC57372  Gaultheria shallon Eric G. Hartwell 1983-3-30 7 Humboldt Ca. 0.25 miles east of jct. of Jacoby Creek Rd. and Sonnenfelt Rd. T05N R01? S11 NW1/4 of SE1/4. 97 Comment
  HSC100472  Gaultheria shallon Carl C. Marshall Mar 1886 143 Humboldt Everywhere. Comment
  HSC22502  Gaultheria shallon H. S. Logsdon 1964-5-13 40 Humboldt 4.0 mi. NE of Orick at Boye's Prairie, E side of Hwy. 101 Comment
  UC21946  Gaultheria shallon unknown 1894-8-6 Humboldt Eureka Comment
  UCSB25031  Gaultheria shallon Keefe, Joseph 1967-7-8 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 1 Comment
  RSA303466  Gaultheria shallon Jim Shevock 1971-5-29 1140 Humboldt Trinity Hwy. 457 Comment
  UCSB19651  Gaultheria shallon Lowery, Jos. 1962-08 Humboldt Willow Springs, Mts. ca. 30 mi. E of Eureka 457 Comment
  HSC55075  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-7-31 11684 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC75456  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1980-7-18 3600 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  RSA46841  Gayophytum diffusum subsp. parviflorum Doris K. Kildale 1927-7-22 3808 Humboldt Lasseck s Peaks Comment
  UC153983  Gentiana affinis var. ovata J. P. Tracy 1904-8-7 2139 Humboldt immediate vicinity Eureka (open grassy lands) 0 Comment
  HSC22015  Gentiana sceptrum Thomas W. Nelson 1970-10-17 237 Humboldt Big Lagoon Comment
  UC275299  Gentiana sceptrum R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC1197397  Geranium bicknellii Joseph P. Tracy 1949-8-4 18422 Humboldt Mud Springs Trinity Summit 1341 Comment
  HSC8644  Geranium dissectum W. D. Stevens 1967-7-14 36 Humboldt Along Bear Creek, 1 mi. upstream from new Hwy. 101 bridge. Comment
  UC249572  Geranium oreganum Joseph P. Tracy 1922-6-18 6094 Humboldt Head of Middle Yager Creek Northern Coast Ranges 762 Comment
  UC166035  Geranium pusillum Joseph P. Tracy 1906-7-4 2520 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  HSC102014  Geum macrophyllum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 915 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  SEINET200731  Gilia capillaris Joseph P. Tracy 1933-7-25 12866 Humboldt Grouse Mtn. 1524 Comment
  CAS-BOT-BC226150  Gilia capitata subsp. pacifica H. E. Parks; J. P. Tracy 1930-5-25 0793 Humboldt Near Bridgeville Comment
  HSC24654  Gilia capitata subsp. pacifica R. E. Jones 1966-5-13 50 Humboldt Cape Mendocino Comment
  HSC100593  Gilia inconspicua Carl C. Marshall 1885-5-11 36 Humboldt Peninsula near Fairhaven. Comment
  UC23729  Gilia millefoliata Harley P. Chandler May, 1901 1135 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  CAS-BOT-BC123799  Gilia millefoliata var. maritima Alice Eastwood 1905-5-10 s.n. Humboldt Samoa near Eureka Comment
  POM319204  Glaux maritima Patricia Wilder 1968-8-21 4412 Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  CAS-BOT-BC218432  Glehnia littoralis subsp. leiocarpa Milo S. Baker 1927-8-16 2449 a Humboldt Near beach, Samoa Comment
  UC1197364  Glehnia littoralis subsp. leiocarpa Joseph P. Tracy 1938-7-15 16077 Humboldt mouth of Eel River 6 Comment
  UCD127515  Glehnia littoralis subsp. leiocarpa Roman Gankin 1965-8-6 550 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  HSC74696  Glyceria elata Gail Newton 1981-7-23 2286 Humboldt Near Bug Creek Butte. 1350 Comment
  HSC74756  Glyceria elata Gail Newton 1981-8-6 2402 Humboldt Near Humbug Creek 1256 Comment
  UC673068  Glycyrrhiza lepidota Joseph P. Tracy 1933-6-25 12626 Humboldt Camp Grant Eel River 60 Comment
  SEINET10938128  Gnaphalium Mary Susan Taylor 1990-8-22 Taylor 6077 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  SEINET11849352  Gnaphalium chilense J. P. Tracy 1950-1 19044 Humboldt Trinity River, E side, 1 mi N of mouth of Willow Creek Comment
  CAS-BOT-BC302534  Gnaphalium palustre Doris K. Kildale 1925-6-30 846 Humboldt Buhne's [Buhne] Point Comment
  HSC49136  Gnaphalium palustre R. Becking 1979-7-29 Humboldt Van Duzen River at Cheatam Grove E of Carlotta Comment
  SEINET10474256  Gnaphalium purpureum Mary Susan Taylor 1977-8-2 Taylor 1426 Humboldt In mountains above and east of Eureka. Comment
  CDA6062  Gnaphalium stramineum T. C. Fuller 1961-9-28 7059 Humboldt 1.5 miles south of Samoa. 0 Comment
  UC1196437  Goodyera oblongifolia J. P. Tracy 1900-7-4 879 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  CAS-BOT-BC304738  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1936-7-3 3781 Humboldt Eureka Comment
  HSC95525  Grindelia hirsutula Andrea Pickart 2002-7-19 184 Humboldt Arcata Marsh at Jolly Giant Creek mile .1 10 Comment
  JEPS41866  Grindelia hirsutula Joseph P. Tracy 1918-7-1 4976 Humboldt 3 mi s of the point of Cape Mendocino (near ocean shore, following up ravines) 152 Comment
  RSA259557  Grindelia stricta var. stricta Gary S. Lester 1974-8-24 528 Humboldt Arcata salt marsh on Humboldt Bay at the 'G' St. oxidation plant. 1 Comment
  HSC76193  Hackelia californica Overton, Butler 1979-7-24 9786 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  SEINET202726 Image available Hainardia cylindrica Joseph P. Tracy 1938-7-15 16071 Humboldt Mouth of Eel River 3 Comment
  HSC102116  Hastingsia alba M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1020 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC58333  Hastingsia alba Overton, Butler 1979-8-2 12636 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC61032  Hastingsia alba T. Jimerson, J. Pageau 1979-8-10 731 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  SEINET5711016  Helenium bigelovii Lowell E. Urbatsch 1990-1 6798 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the rd. to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this road (FS 7 NO4) travel 1.5 miles to another fork; continue on 7NO4N (the left fork) for 7.4 miles. At this point, take 7N04N, the road to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  CAS-BOT-BC306872  Helenium bolanderi Dr. A. Kellogg; W. G. W. Harford 1868-1-1 469 Humboldt Unspecified Comment
  UC1199146  Helenium bolanderi Joseph P. Tracy 1934-8-22 15675 Humboldt Table Bluff 91 Comment
  POM161461  Helenium bolanderi Joseph P. Tracy 1912-7-22 3792 Humboldt Near Loleta. 91 Comment
  CAS-BOT-BC309412  Helenium puberulum Alice Eastwood 1921-7-21 10666 Humboldt Vanduzen [Van Duzen] River Comment
  CAS-BOT-BC309414  Helenium puberulum Doris K. Kildale 1928-7-29 5921 Humboldt Mouth of Bear River at Capetown Comment
  HSC25943  Helenium puberulum Thomas W. Nelson 1970-10-31 293 Humboldt Eel River near N end of the Scotia Bluff. Comment
  RSA33999  Helenium puberulum J. Wendell Howe s.n. Humboldt Y Camp - Redway Comment
  CAS-BOT-BC310073  Hemizonella minima R. K. Gierisch; D. H. Esplin 1969-7-1 3535 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  CAS-BOT-BC310076  Hemizonella minima Carl B. Wolf 1934-7-2 5861 Humboldt Snow Camp (mts. E. of Korbel). Near Small Lake 1371 Comment
  UC1223094  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1950-6-23 18864 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  CAS-BOT-BC306079  Hemizonia congesta subsp. clevelandii W. R. Dudley 1899-6-29 s.n. Humboldt Bank of Eel River Comment
  HSC36492  Hemizonia congesta subsp. clevelandii Thomas W. Nelson, James Nelson 1975-9-3 2192 Humboldt Along N side of Ashfield Butte Comment
  CAS-BOT-BC309991  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1937-7-19 15456 Humboldt Buck Mountain, lower foothills of its northwest slope 914 Comment
  UC642346  Heracleum lanatum Joseph P. Tracy 1934-7-27 13491 Humboldt near mouth Mad R. 15 Comment
  HSC21503  Heracleum maximum S. R. Johnson 1965-3-14 8 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC99511  Heracleum maximum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 173 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  CAS-BOT-BC388492  Herniaria hirsuta var. cinerea Henry M. Pollard 1946-8-13 s.n. Humboldt Klamath River, near Orleans Comment
  UC1223121  Hesperevax acaulis var. robustior Joseph P. Tracy 1949-6-12 18312 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley 152 Comment
  UC146127  Hesperolinon micranthum Joseph P. Tracy 1908-6 2820 Humboldt nw slope Buck Mountain; Northern Coast Ranges 914 Comment
  JEPS32319  Hesperolinon micranthum W. L. Jepson 1902-6 1976 Humboldt Three Creeks to Willow Creek (on expedition from Ukiah to the Hupa Indian Reservation) Comment
  CAS-BOT-BC143654  Heteromeles arbutifolia Doris K. Kildale 1927-12-1 4214 Humboldt Klamath River at Orleans Comment
  UCSB30616  Heterotheca oregona Edwards, David 1974-8-1 Humboldt Near E. bank of Mad River north of its junction with Puter Creek, ca. 2 mi. SW of Korbel 3 Comment
  JEPS2429  Heterotheca oregona var. rudis Lincoln Constance 1934-5-26 666 Humboldt s end Dyerville Bridge (sand and gravel bar of South Fork of Eel River); Bull Creek Region, South Fork Eel River 45 Comment
  BLMAR42  Heuchera 42 Humboldt King range, Bear Creek, tolkan campsite Comment
  HSC56071  Heuchera micrantha G. L. Clifton, Griswold 1979-7-31 11740 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  JEPS1222  Heuchera micrantha var. macropetala Freed Hoffman 1950-7-11 4009 Humboldt 16.1 mi above and n of Klamath River Road (along road to Cedar Camp) 914 Comment
  HSC31198  Hieracium albiflorum D. E. Anderson 1972-6-20 5756 Humboldt Along the N slope of Horse Mtn. Comment
  HSC102077  Hieracium greenei M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 979 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC66826  Hieracium greenei Gail Newton 1980-7-15 1579 Humboldt Near Sims Mtn. 1311 Comment
  RSA0016045  Hippuris vulgaris Robert F. Thorne, P. C. Everett 1965-8-9 35344 Humboldt Along Hwy 101 about 3 miles N of Eureka. 2 Comment
  CAS-BOT-BC280734  Holcus lanatus Doris K. Kildale 1928-6-24 7062 Humboldt Redwood Creek at Berrys 289 Comment
  HSC10140  Holcus lanatus N. R. Waite 1965-5-21 54 Humboldt W edge of Humboldt State College Campus. Comment
  HSC91886  Holcus lanatus E. Mackey 1986-10-7 Humboldt Partick's Point State Park. Comment
  JEPS75424  Holcus lanatus W. L. Jepson 1932-8-1 16467 Humboldt Bull Creek 121 Comment
  HSC41306  Holodiscus discolor Brad Klipfel 1974-7-23 469 Humboldt Horse Mtn., on the NE side of the ridge. Comment
  HSC97986  Holodiscus discolor Cara Witte 2007-7-8 429 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  UC666849  Holodiscus discolor Joseph P. Tracy 1935-7-14 14061 Humboldt Horse Mountain 1066 Comment
  UC774993  Holodiscus discolor Carl B. Wolf 1937-8-13 9227 Humboldt 8 mi e of Hoopa Valley (on new road towards Trinity Summit, North Coast Range); North Coast Range 1219 Comment
  CAS-BOT-BC149898  Holodiscus discolor J. H. Thomas 1949-6-14 925 Humboldt Klamath River Valley between Weitchpec and Hoopa Comment
  HSC10163  Hordeum brachyantherum D. J. McVean 1965-5-22 85 Humboldt In field W of Jackson Rd., 1/4 mi N of Samoa Blvd. Comment
  HSC89903  Hordeum brachyantherum Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  UC526786  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad Northern Coast Region, Trinidad 9 Comment
  UC902134  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1947-7-5 17792 Humboldt Mud Springs Trinity Summit 1341 Comment
  CAS-BOT-BC537898  Horkelia tridentata var. flavescens Alice Eastwood; John Thomas Howell 1937-6-23 4806 Humboldt Little Van Duzen River Comment
  HSC40128  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, James Nelson 1976-7-28 3077 Humboldt Beside rd. to Pine Mtn. 1524 Comment
  HSC97448  Hydrophyllum occidentale C. Witte 2007-5-22 84 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1390 Comment
  UC177201  Hydrophyllum tenuipes Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3617 Humboldt near Hydesville; Northern Coast Region 30 Comment
  HSC102178  Hypericum anagalloides M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1091 Humboldt Patterson Meadows 1555 Comment
  UC1198416  Hypericum anagalloides Joseph P. Tracy 1933-8-27 13003 Humboldt Harris 762 Comment
  CHSC32701  Hypericum perforatum J. P. Smith; Steve Selva 1970-6-14 3831 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  CAS-BOT-BC401303  Hypericum scouleri Doris K. Kildale 1926-7-9 2337 Humboldt Bayside Comment
  RSA20726  Iliamna latibracteata Carl B. Wolf 1937-9-11 9322 Humboldt Redwood Hwy 3 miles north of Orick (Davison s Ranch on Prairie Creek) 61 Comment
  UC1196393  Iris douglasiana Joseph P. Tracy 1924-8-3 6762 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  UC176171  Iris douglasiana Joseph P. Tracy 1912-7-14 3752 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC13852  Iris douglasiana W. R. Rogers 1966-5-9 305 Humboldt 3 mi. SE of Arcata, Fickle Hill Comment
  HSC13863  Iris douglasiana W. R. Brigham 1962-5-20 19 Humboldt End of old Hwy. 101, N of Big Lagoon Rd. Comment
  RSA135821  Iris purdyi E. K. Balls 1957-5-25 22601 Humboldt 0.2 mile west of Trinity-Humboldt County line, along State Highway 36 732 Comment
  HSC45312  Iris tenax subsp. klamathensis R. York 1978-5-11 164 Humboldt Along logging road off Bark Shanty Rd., 4 mi. above Orleans Comment
  HSC67518  Iris tenuissima J. P. Smith, J. O. Sawyer 1976-5-2 8620 Humboldt 3.7 mi. N of junction with Hwy. 299 on Hwy. 96 61 Comment
  HSC74329  Iris tenuissima M. A. Baker 1980-6-16 1958 Humboldt Near Onion Mtn. 1280 Comment
  CDA14235  Isatis tinctoria R. Spadoni 1998-5-11 s.n. Humboldt Hwy 299 near Blue Lake. 0 Comment
  UC1152073  Isolepis carinata Joseph P. Tracy 1948-5-31 17982 Humboldt 1/2 mi ne Garberville (on the road to Harris); ne of Garberville Comment
  HSC7450  Isolepis cernua J. P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  JEPS101847  Isolepis cernua Dean W. Taylor 1991-9-15 12285 Humboldt Big Lagoon, along Highway 101 near the mouth of Tom Creek. 3 Comment
  UCR48590  Jaumea carnosa R. D. Goeden, Don W. Ricker 1987-9-2 870902- 18 Humboldt North Coast, Loleta, at bay on Cannibal Road 3 Comment
  CAS-BOT-BC101963  Juglans hindsii Henry M. Pollard 1947-8-30 s.n. Humboldt Along Klamath River nr. Wilson Creek, Orleans region Comment
  HSC13992  Juncus bufonius Paul Shields 1965-6-16 Humboldt HSC campus Comment
  HSC90771  Juncus bufonius Gail Newton 1982-6-10 3602 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC98575  Juncus ensifolius Cara Witte 2008-8-6 1012 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  RSA53821  Juncus ensifolius Henry M. Pollard 1945-8-26 s.n. Humboldt Between Orleans and Camp Creek. Klamath River Canyon. Comment
  HSC40127  Juncus exiguus Thomas W. Nelson, James Nelson 1976-7-28 3075 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  CHSC110174  Juncus falcatus subsp. sitchensis Peter F. Zika 2007-6-30 23319 Humboldt SW corner of Big Lagoon, (NCo, North Coast). 2 Comment
  HSC56989  Juncus laccatus Walter Overton, Marvin Butler 1979-7-23 9552 Humboldt Near Titlow Hill, close to the town of Willow Creek 1280 Comment
  HSC63878  Juncus laccatus M. A. Baker 1979-6-29 957 Humboldt Hopkins Creek 750 Comment
  HSC39758  Juncus lescurii Peter Sorensen 1976-8-8 Humboldt Woodley Island Comment
  HSC46961  Juncus lescurii J. P. Smith, Thomas W. Nelson 1977-6-30 9220 Humboldt Samoa Peninsula just E of the drag strip. Comment
  SEINET3879721  Juncus lescurii James P. Smith, Thomas W. Nelson 1977-6-30 9220 Humboldt Samoa Peninsula just east of the drag strip.; 0 Comment
  RSA70263  Juncus phaeocephalus var. phaeocephalus F. W. Peirson 1923-7-11 3669 Humboldt 7 miles N of Arcata, Humboldt County Comment
  RSA168864  Juncus xiphioides Joseph P. Tracy 1938-7-24 16086 Humboldt Pacific and A Streets. Eureka. 0 Comment
  JEPS23776  Keckiella corymbosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-5 6929 Humboldt just s Richardson Grove (along U.S. Highway 101) 68 Comment
  UC1222464  Keckiella corymbosa Joseph P. Tracy 1934-8-26 13602 Humboldt Blue Slide Northern Coast Ranges (on Van Duzen River) 91 Comment
  CAS-BOT-BC237832  Keckiella lemmonii Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  RSA244957  Kickxia elatine David Johnson 1973-11-15 s.n. Humboldt Growing along West End Rd. ca 50 yds. north of the highway 101 overpass. Beside the railroad tracks. Comment
  POM206591  Koeleria macrantha Jos Burtt Davy, W. C. Blasdale 1899-6-9 5375 Humboldt Near Harris Comment
  CAS-BOT-BC502602  Kopsiopsis strobilacea Doris Kildale Gillespie 1931-6-7 10663 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  UC1199393  Kyhosia bolanderi Joseph P. Tracy 1932-7-16 10613 Humboldt Corral Prairie; Trinity summit 1584 Comment
  UC552313  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  HSC57008  Lactuca serriola Overton, Butler 1979-7-24 9600 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 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
  UC165752  Lagophylla ramosissima Joseph P. Tracy 1911-7-10 3497 Humboldt along near mouth Willow Creek (tributary Trinity River); Northern Coast Ranges 152 Comment
  CDA18209  Lasthenia californica G. D. Barbe, T. C. Fuller 1974-6-17 1836 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  HSC5900  Lasthenia glaberrima H. E. Parks, J. P. Tracy 1935-6-16 11274 Humboldt Buck Mt., lower NW slopes 793 Comment
  HSC26359  Lasthenia maritima T. O. Osborne 1970-6-18 47 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  CAS-BOT-BC204952  Lathyrus japonicus Doris K. Kildale 1925-7-15 1086 Humboldt Eureka Slough Comment
  UC1199079  Lathyrus japonicus Joseph P. Tracy 1915-6-6 4647 Humboldt mouth of Elk River Northern Coast Region, Eureka 0 Comment
  POM128967  Lathyrus jepsonii subsp. californicus M. H Manning 1900-1 s.n. Humboldt Hupa Valley Comment
  UCD106379  Lathyrus littoralis Roman Gankin 1965-8-6 552 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  CAS-BOT-BC205041  Lathyrus palustris Joseph P. Tracy 1907-7-20 2593 Humboldt Near Samoa. Region about Humboldt Bay 152 Comment
  HSC100519  Lathyrus polyphyllus Carl C. Marshall Mar 1886 147 Humboldt Near Mad River. Comment
  RSA64818  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19090 Humboldt Ca 10 miles W of Willow Creek, near Highway #299. Comment
  UC1222407  Lathyrus polyphyllus Joseph P. Tracy 1946-6-15 17570 Humboldt near Green Point (w of Redwood Creek on Trinity Highway) 457 Comment
  SDSU4206  Lathyrus sulphureus D. F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on #101. 61 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
  RSA64962  Lathyrus torreyi C. L. Hitchcock 1949-6-7 19084 Humboldt Ca 15 miles E of Blue Lake, along Highway #299. Comment
  UC1199063  Lathyrus torreyi Joseph P. Tracy 1911-7-7 3434 Humboldt between Willow Creek Campbell Creek (viz ridge n of Willow Creek); Northern Coast Ranges, Brannan Mountain 1219 Comment
  HSC23072  Lathyrus tracyi Richard Spjut 1971-5-7 1859 Humboldt 2-4 mi. up Three creeks Rd., W of Willow Creek 457 Comment
  UC15322  Lathyrus vestitus Joseph P. Tracy May 1901 1201 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC81920  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4967 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC76516  Lathyrus vestitus var. ochropetalus Denis Kearns 1981-7-8 163 Humboldt Near Bluff Creek 622 Comment
  CAS-BOT-BC89492  Lepidium heterophyllum Joseph P. Tracy 1942-6-15 17140 Humboldt Miranda. 91 Comment
  UC195426  Lepidium virginicum Joseph P. Tracy 1915-9-12 4670 Humboldt opposite Laribee Creek; Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC552286  Lepidium virginicum Joseph P. Tracy 1933-8-22 12992 Humboldt Mouth of Eel River North Coast Ranges 3 Comment
  SEINET7967472 Image available Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg Comment
  POM264483  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt Near Blockburg. Comment
  HSC35037  Leptosiphon bicolor Thomas W. Nelson, James Nelson 1975-5-24 1871 Humboldt McKeown Ranch, N of Dinsmore. Comment
  SBBG5980  Leptosiphon bicolor H. and M. Dearing 1939-5-24 3419 Humboldt pass, Dyerville to Mattole Rd, W of Panther Gap Comment
  HSC96226  Leptosiphon bolanderi J. McIntire, S. Lyon 2005-6-24 16 Humboldt FS NF1 1375 Comment
  RSA0096840  Leptosiphon filipes Joseph P. Tracy 1950-5-30 18710 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC341824  Lessingia nemaclada Joseph P. Tracy 1937-9-5 15681 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC341822  Lessingia nemaclada James T. Vale 1979-7-26 s.n. Humboldt Elk Creek Comment
  UC166082  Leucanthemum vulgare Joseph P. Tracy 1909-5-30 2978 Humboldt immediate vicinity of Eureka 0 Comment
  UC963848  Leucanthemum vulgare H. E. Parks and S. T. Parks Aug 1943 24257 Humboldt Spruce Cove; Trinidad 60 Comment
  UCSB6440  Leucanthemum vulgare Keator, Glenn 1958-6-18 Humboldt In fields from Mendocino county north through Washington, these collected at Petrolia Comment
  HSC36171  Lewisia cotyledon var. howellii J. P. Smith 1973-5-4 6367 Humboldt 2 mi. S of Somes Bar on Hwy. 96 Comment
  HSC38789  Lewisia nevadensis J. P. Smith 1976-5-30 8827 Humboldt Near Black Rock on road to Clear Lake 1524 Comment
  CAS-BOT-BC283512  Leymus X vancouverensis Joseph P. Tracy 1927-6-26 8214 Humboldt Stone Lagoon 6 Comment
  POM160891  Leymus mollis subsp. mollis Joseph P. Tracy 1923-5-19 6212 Humboldt Trinidad 3 Comment
  CAS-BOT-BC272247  Leymus triticoides David D. Keck 1944-7-11 5496 Humboldt Cape Mendocino 3 Comment
  RSA10139  Leymus vancouverensis Joseph P. Tracy 1930-7-21 8894 Humboldt Cape Mendocino, south of point of the Cape 3 Comment
  RSA246914  Leymus vancouverensis R. F. Thorne, P. Everett 1965-8-9 35313 Humboldt Big Lagoon County Park 3 Comment
  CAS-BOT-BC436492  Ligusticum apiifolium Ira L. Wiggins 1930-7-22 4692 Humboldt Along Redwood Creek between Blue Lake and Wilow Creek Comment
  CAS-BOT-BC436494  Ligusticum apiifolium Joseph P. Tracy 1934-7-22 13485 Humboldt North Yager Creek, at crossing of Kneeland to Bridgeville road Comment
  HSC44546  Ligusticum californicum Brad Klipfel 1973-7-15 165 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC49055  Ligusticum californicum Patricia Shesgreen 1978-8-2 123 Humboldt Arcata Community Forest, 100 yds N of field house, 25 ft from pond Comment
  HSC38445  Lilaeopsis occidentalis J. P. Smith 1976-7-3 8937 Humboldt Manila, Samoa Peninsula Comment
  UC205462  Lilaeopsis occidentalis Joseph P. Tracy 1920-8-29 5391 Humboldt mouth of Little R.; Northern Coast Ranges 6 Comment
  HSC76426  Lilium bolanderi Teresa Prendusi 1981-7-9 254 Humboldt Near Slate Creek Butte 1122 Comment
  CAS-BOT-BC508404  Lilium columbianum A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt A few miles north of Arcata, logging road near U.S. 101 Comment
  RSA256735  Lilium kelleyanum A. Montalvo, J. D. Ackerman 1974-8-1 399 Humboldt 1 mile west of Kneeland P.O. on Greenwood Heights Road Comment
  CAS-BOT-BC130637  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  HSC33260  Lilium kelloggii A. M. Montalvo, J. D. Ackerman 1974-8-1 399 Humboldt 1.0 mi. W of Kneeland Post Office on Greenwood Heights Rd. Comment
  UC1198244  Lilium occidentale Joseph P. Tracy 1927-7-18 8290 Humboldt Table Bluff 91 Comment
  CAS-BOT-BC130683  Lilium occidentale Dr. Doris Niles; Thomas Nelson 1974-6-20 s.n. Humboldt On the Wiggens ranch just west of the garbage dump Comment
  HSC33662  Lilium occidentale Doris K. Niles, Thomas W. Nelson 1975-6-30 Humboldt Wiggens Ranch, W of garbage dump Comment
  CAS-BOT-BC130730  Lilium pardalinum Volney Rattan 1878-6-16 s.n. Humboldt Arcata Comment
  HSC77931  Lilium pardalinum subsp. vollmeri D. K. Imper 1982-7-23 1496 Humboldt Near Onion Lake. 1371 Comment
  HSC15582  Lilium rubescens H. E. Parks Jul 1933 1414 Humboldt S Fork Mtn. Comment
  CAS-BOT-BC133014  Lilium washingtonianum subsp. purpurascens 1901-7-24 s.n. Humboldt Near Arcata Comment
  UCR63386  Limnanthes douglasii subsp. nivea Barbara Ertter, Thomas J. Delendick 1987-5-16 6925 Humboldt Vista Point just west of Berry Summit on Hwy 299, c. 15 airmiles east of Arcata 832 Comment
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Jul 10 2019
  UC741169  Limonium californicum C. C. and S. K. Harris 1939-9-8 973 Humboldt Humboldt Bay; s shore, salt marsh Comment
  UC1198567  Linanthus bicolor Joseph P. Tracy 1914-5-14 4435 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  HSC100667  Linaria canadensis Carl C. Marshall Jun 1886 237 Humboldt Trinidad. Comment
  HSC12026  Linaria vulgaris D. Santana 1970-11-2 100 Humboldt E side of old Hwy. 1 in ditch Comment
  RSA54141  Lindernia dubia var. dubia H. M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC416392  Linnaea borealis subsp. longiflora H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  JEPS12691  Linnaea borealis var. longiflora W. L. Jepson Jul 16 1902-Jul 23 1902 Humboldt Hupa Trail Trinity Summit; , Hupa Trail 2133 Comment
  UC1239560  Linnaea borealis var. longiflora Joseph P. Tracy 1936-6-28 15018 Humboldt Bald Mountain at Lake Prairie; Bald Mountain at Lake Prairie 1066 Comment
  UC1222184  Listera caurina Joseph P. Tracy 1951-6-26 19555 Humboldt Snow Camp Comment
  HSC74730  Listera convallarioides Gail Newton 1981-7-24 2321 Humboldt Near Bug Creek Butte 1417 Comment
  UC1103026  Listera cordata Joseph P. Tracy 1924-5-11 6687 Humboldt Bull Creek Flat Northern Coast Ranges 91 Comment
  UC1225788  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-9-20 18224 Humboldt Willow Creek Canyon; along Trinity Highway 457 Comment
  HSC89574  Lobularia maritima M. Roantree 1985-5-15 48 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  UC163597  Lolium multiflorum Jos. Burtt Davy 1899-5 5556 Humboldt Scotia Comment
  HSC72637  Lolium perenne J. P. Smith 1977-7-3 9246 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  SEINET194910 Image available Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Arcata near 10 Comment
  UC180491  Lolium perenne Joseph P. Tracy 1913-6-10 4088 Humboldt Bridgeville; Northern Coast Ranges, Bridgeville 304 Comment
  UC33879  Lolium temulentum Chesnut and Drew 1888-7-13 Humboldt Campbell's Comment
  JEPS14246  Lomatium dissectum var. dissectum Joseph P. Tracy 1930-6-29 8808 Humboldt lower foothhills of Buck Mt. (on its n.w. slope); Northern Coast Ranges, Buck Mt. 762 Comment
  HSC56050  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-31 11646 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC96070  Lomatium macrocarpum J. McIntire, S. Lyon 2005-6-15 12 Humboldt 1 mi. SE of Grouse Mtn. on FS 4N32 1610 Comment
  RSA167441  Lomatium nudicaule Joseph P. Tracy 1951-6-26 19573 Humboldt Twin Lakes vicinity Comment
  HSC45502  Lomatium utriculatum M. Alcasas 1978-4-7 6 Humboldt Beside Barry Rd., 125 yds. from junction with Freshwater Rd. 857 Comment
  HSC57688  Lonicera conjugialis G. L. Clifton, Terry Griswold 1979-7-25 10907 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC240473  Lonicera hispidula Henry M. Pollard 1946-9-6 s.n. Humboldt Near Woodson Mine, Orleans region Comment
  UCD137382  Lonicera involucrata Gordon Leppig 1998-6-26 857 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. 18 Comment
  HSC23144  Lonicera involucrata var. ledebourii Thomas W. Nelson 1970-10-17 238 Humboldt Big Lagoon Comment
  HSC3923  Lonicera involucrata var. ledebourii J. J. Wagoner 1965-4-3 12 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park. 8 Comment
  HSC62897  Lonicera involucrata var. ledebourii J. M. DiTomaso 1979-4-1 836 Humboldt 3 mi. S of Arcata, on Samoa Rd. Comment
  JEPS13675  Lonicera involucrata var. ledebourii Joseph P. Tracy 1937-6-20 15343 Humboldt 10 miles up from mouth Bear River 152 Comment
  CDA42186  Lonicera involucrata var. ledebourii Gordon Leppig 1998-5-11 758 Humboldt Northern California Peatlands; Big Lagoon County Park. Big Lagoon Bog. Comment
  SEINET5736925 Image available Lotus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6108 Humboldt From California 299 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4), travel 4.5 miles to collection site. Comment
  SEINET3523624 Image available Lotus americanus Joseph P. Tracy 1914-7-12 4583 Humboldt Eureka 0 Comment
  HSC97945  Lotus crassifolius var. crassifolius Cara Witte 2007-6-26 357 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36A. 1348 Comment
  UC1223405  Lotus denticulatus Joseph P. Tracy 1934-6-14 13219 Humboldt Horse Mountain 1432 Comment
  UC1223433  Lotus denticulatus Joseph P. Tracy with Mr. Murphy 1951-6-26 19578 Humboldt vicinity Twin Lakes Comment
  UC80841  Lotus denticulatus W. W. Price 1890-7-1 Humboldt Mad River Comment
  JEPS55462  Lotus denticulatus W. L. Jepson 1902-6-19 1882 Humboldt Harris to Ft. Seward Ranch Ridge (= Mail Ridge) 1066 Comment
  UC1046517  Lotus denticulatus R. Bacigalupi, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3405 Humboldt 4 mi w bridge crossing the Van Duzen River (along State Highway 36, Dinsmore); Dinsmore Comment
  JEPS84908 Image available Lotus douglasii W. L. Jepson 1902-8-13 1979 Humboldt Three Creeks to Willow Creek (forest on mt. side); ; Three Creeks, to Willow Creek, Humboldt Co. 762 Comment
  SEINET3696853 Image available Lotus formosissimus Joseph P. Tracy 1935-6-8 13941 Humboldt Santa Clara Tract, just E of Eureka Comment
  UC1197307  Lotus humistratus Joseph P. Tracy 1929-4-28 8546 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA293205  Lotus micranthus J. P. Smith 1973-5-26 6837 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  JEPS51821  Lotus nevadensis var. nevadensis W. L. Jepson 1902-7-3 1979 Humboldt Three Creeks to Willow Creek Comment
  UC1223424  Lotus pinnatus Joseph P. Tracy 1942-6-15 17134 Humboldt Englewood Prairie Comment
  JEPS55780  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6266 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  UC1223416  Lotus purshianus var. purshianus Joseph P. Tracy 1938-7-7 16031 Humboldt Cold Springs Grouse Mountain 1524 Comment
  SEINET3560065 Image available Lotus subpinnatus Joseph P. Tracy 1906-7-4 2521 Humboldt Near Hydesville, Yager Creek 61 Comment
  POM232036  Lotus unifoliolatus I. L. Wiggins 1930-7-22 4689 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  HSC43172  Lotus unifoliolatus var. unifoliolatus R. Sutherland 1976-8-13 6 .13876 Humboldt Whittemaore Grove at edge of forest 213 Comment
  HSC95074  Lotus unifoliolatus var. unifoliolatus Andrea Pickart 2002-7-2 157 Humboldt Humboldt Bay Dunes, Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 24 Comment
  CAS-BOT-BC201191  Lupinus Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SBBG52995  Lupinus J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  UC157778  Lupinus P. E. Goddard 1906-6 659 Humboldt Lasseck Pk Comment
  UC503004  Lupinus albicaulis var. shastensis Joseph P. Tracy 1932-6-14 10161 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CDA27377  Lupinus arboreus T. C. Fuller 1961-9-28 7052 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  SBBG68994  Lupinus arboreus R. Hartwell 1938-8-5 Humboldt N of Eureka Comment
  RSA246779  Lupinus arboreus var. arboreus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35166 Humboldt Samoa Dunes. 3 Comment
  RSA407033  Lupinus arboreus var. arboreus Charlotte M. Hoak 1931-7-14 s.n. Humboldt Above Eureka. Comment
  UC179935  Lupinus bicolor Joseph P. Tracy 1914-7-5 4561 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  HSC32075  Lupinus bicolor Glenn McGourty 1974-4-27 35 Humboldt Along side of Mattole River Comment
  HSC48778  Lupinus bicolor Brad Klipfel 1974-5-11 339 Humboldt SW side of Big Lagoon Comment
  UC205453  Lupinus bicolor Joseph P. Tracy 1919-5-31 5149 Humboldt along Willow Creek ((tributary of Trinity River) near its mouth); Northern Coast Ranges, trib Trinity River, Willow Creek 152 Comment
  UC157019  Lupinus formosus Joseph P. Tracy 1904-7-4 2113 Humboldt Bucksport; region about Humboldt Bay, Bucksport 0 Comment
  HSC31819  Lupinus latifolius Donald Spalinger 1974-4-25 24 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  HSC58603  Lupinus latifolius G. L. Clifton, Griswold 1979-7-25 10856 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  POM10720  Lupinus latifolius subsp. viridifolius H. P. Chandler 1901-06 13658 Humboldt Klamath River. 152 Comment
  POM276552  Lupinus littoralis Lyman D. Benson 1928-7-10 446 Humboldt Clam Beach, Trinidad. 12 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
  UC1197251  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1907-6-25 2576 Humboldt mouth Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay region, Elk River 0 Comment
  HSC79484  Lupinus rivularis Kenneth Clark 1980-3-1 503 Humboldt Dead Man's Gulch, Shelter Cove 21 Comment
  UC180172  Lupinus rivularis Joseph P. Tracy 1914-6-14 4507 Humboldt Hydesville; Northern Coast Ranges, Hydesville 60 Comment
  HSC74400  Lupinus sellulus subsp. ursinus Gail Newton 1980-6-28 734 Humboldt Near Mad River Butte. 1536 Comment
  HSC49993  Lupinus sellulus var. artulus M. A. Baker 1979-6-7 791 Humboldt Telescope Peak 1250 Comment
  HSC102922  Luzula M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1001 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC56410  Luzula comosa Griswold, Butler 1979-7-11 7044 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC73153  Luzula comosa M. A. Baker 1980-5-18 1302 Humboldt Near Black Mtn. 1006 Comment
  HSC83998  Luzula comosa L. P. Janeway 1983-4-16 227 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  UC1152137  Luzula comosa Joseph P. Tracy 1938-5-8 15738 Humboldt 4 mi e town (vicinity of Carlotta, edge of woods near Cummings Creek); near Cummings Creek, vicinity of Carlotta 30 Comment
  CAS-BOT-BC436735  Luzula comosa var. laxa Doris Kildale Gillespie 1931-6-7 10661 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC74203  Luzula parviflora M. A. Baker 1980-7-19 3037 Humboldt Near Bret Hole 1814 Comment
  HSC75690  Luzula parviflora Bill Copeland 1980-7-2 310 Humboldt Near Snow Camp Mtn. 1311 Comment
  RSA54022  Luzula parviflora E. K. Balls, Lee W. Lenz 1956-6-12 21662 Humboldt 4.4 miles SW from Willow Creek along U. S. Highway 299 to Arcata. 366 Comment
  SEINET3151058  Luzula subsessilis D. E. Anderson 1965-5-1 3565 Humboldt along hwy 96, 1.9 mi. N of Willow Creek Comment
  SEINET6166096  Lycopodium clavatum W. Roderick 1967-9-15 s.n. Humboldt East of Trinidad, Camp 18 Georgia-Pacific Co. 30 Comment
  JEPS42815  Lysichiton americanus Lincoln Constance 1934-6-18 894 Humboldt near South Fork Rail Road Station and Post Office (border of North Dyerville Flat, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  HSC12034  Lythrum hyssopifolia D. Santana 1970-10-28 82 Humboldt 3 mi. S of Trindad. Comment
  HSC78755  Lythrum hyssopifolia L. P. Janeway, Paul Wilson 1984-5-25 821 Humboldt N Spit of Humboldt Bay; BLM lands near the Coast Guard Station 5 Comment
  RSA0015873  Lythrum hyssopifolia Lyman Benson 1927-7-11 61 Humboldt Weott Ranger Station. Seaward N Coast range, South Fork Eel River. 61 Comment
  HSC38486  Madia elegans D. E. Anderson, J. P. Smith 1971-6-18 - 1066 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  SBBG28041  Madia elegans L. Constance, R. C. Rollins 1942-5-11 Humboldt Hoopa Valley 5 mi S of Hoopa 121 Comment
  UC89451  Madia elegans unknown Humboldt Jarnigans Comment
  HSC38099  Madia exigua Thomas W. Nelson, James Nelson 1976-5-30 2622 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC176444  Madia glomerata J. P. Tracy 1902-8-10 1769 Humboldt immediate vicinity Eureka 0 Comment
  HSC73478  Madia gracilis Gail Newton 1980-7-11 1333 Humboldt Near Red Mtn. 1341 Comment
  UC175981  Madia gracilis Joseph P. Tracy 1908-6 2796 Humboldt Valley of Van Duzen River; Northern Coast Ranges, Buck Mountain 762 Comment
  JEPS94960  Madia sativa Vernon Oswald and Lowell Ahart 1997-9-4 8854 Humboldt Somoa Dunes Recreation Area at the s end of the North Spit separating Humboldt Bay from ocean North Spit; Somoa Dunes Recreation Area, North Spit Comment
  UC13726  Maianthemum dilatatum W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  HSC60294  Maianthemum dilatatum Phyllis Krieg 1979-4-28 Humboldt Azalea Park along trail, McKinleyville 30 Comment
  JEPS79931  Maianthemum dilatatum Joseph P. Tracy 1926-4-25 7414 Humboldt Grizzly Creek on Van Duzen R. Northern Coast Ranges, Van Duzen R., Grizzly Creek 91 Comment
  SEINET12047101  Maianthemum dilatatum F. H. Utech 1972-1 72 -014 Humboldt within city limits of Arcata, Humboldt State University Forest, W of campus 183 Comment
  HSC12251  Maianthemum racemosum subsp. amplexicaule Gary J. Stebbins 1970-4-5 56 Humboldt Along rd. to Maple Creek 1.6 mi. W of bridge over Mad River Comment
  HSC48830  Maianthemum racemosum subsp. amplexicaule Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 40 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC54225  Maianthemum racemosum subsp. amplexicaule Griswold, Butler 1979-7-12 7290 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  RSA1087  Maianthemum racemosum subsp. amplexicaule E. R. Johnson 1928-8-26 1147 Humboldt Arcata. Comment
  CAS-BOT-BC511457  Maianthemum racemosum subsp. amplexicaule M. P. Dillingham 1972-4-30 s.n. Humboldt Vicinity of Whitehorn, Douglas fir forest Comment
  HSC34633  Maianthemum stellatum Robert M. Specht 1975-4-9 123 Humboldt Along base of ocean bluff from end of Murray Rd. 6 Comment
  RSA151816  Malus fusca H. E. Parks 1939-05 s.n. Humboldt Trinidad, Spruce cove, near sea level. Comment
  UC57530  Malus fusca Miss E. E. Tracy Nov 1901 Humboldt Eureka Comment
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Jun 17 2020
  HSC38075  Marah oregana Thomas W. Nelson, James Nelson 1976-5-30 2632 Humboldt McKeown Ranch, N of Dinsmore. Comment
  POM87677  Marah oregana L. R. Abrams, R. Bacigalupi 1922-6-25 8283 Humboldt Big Lagoon, south of Orick. Comment
  UC505101  Marah oregana Joseph P. Tracy 1929-4-28 8543 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC7028  Marah oregana J. W. Johnson 1962-3-31 1412 Humboldt Arcata, along the Lanphere Lane near the swamp, Samoa Peninsula Comment
  RSA144006  Marah oregana P. H. Raven, Richard Snow 1958-7-21 13650 Humboldt 2.9 miles south of Ferndale on road to Cape Mendocino Comment
  RSA424587  Marah oregana T. S. Elias, Barbara A. Elias 1987-8-24 10620 Humboldt Prairie Creek Redwoods State Park; Gold Bluffs Beach. Comment
  UC1197424  Medicago lupulina Joseph P. Tracy 1911-7-10 3493 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC37910  Medicago polymorpha Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  HSC15527  Medicago polymorpha J. Lackey 1971-3-28 10 Humboldt 3 mi. S of Cape Mendocino on Capetown Rd. 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
  UC552701  Melica bulbosa Joseph P. Tracy 1935-7-24 14194 Humboldt near Trinity Summit, Ranger Station; Trinity Summit 1828 Comment
  UC277170  Melica californica Joseph P. Tracy 1921-5-30 5491 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC101165  Melica harfordii Dana York, Kim Hayler 2012-5-18 3105 Humboldt Six Rivers National Forest, near Somes Bar, 585 meters SE of the confluence of the Klamath and Salmon Rivers, E and above Hwy. 96. 213 Comment
  HSC98816  Melica harfordii Cara Witte 2007-7-25 581 Humboldt Forest Service Road 5N10. Approximately 2.5 miles south from intersection with Forest Service Road 5N41. 1270 Comment
  POM283187  Melissa officinalis Lyman Benson 1929-7-16 91 Humboldt Weott Ranger Station. Comment
  HSC99607  Mentha canadensis C. B. Wolf 1927-8-22 768 Humboldt Big Lagoon Comment
  HSC23730  Mentha pulegium Tim Baroni 1971-7-5 99 Humboldt Comment
  HSC12347  Mentha pulegium Steve Dorei 1970-10-31 135 Humboldt Scotia Bluffs, north of railroad tracks Comment
  HSC15863  Mentzelia dispersa W. K. Parks Jul 1933 1420 Humboldt On Buck Mtn. Comment
  JEPS80896  Menziesia ferruginea B. A. Bohm, K. W. Nichols 1981-5-11 1572 Humboldt U.S. Highway 101 Mile 128.75 Comment
  UC582506  Micropus californicus var. californicus Joseph P. Tracy 1927-7-4 8235 Humboldt Iaqua 609 Comment
  UC88381  Micropus californicus var. californicus W. W. Price 1890-6-30 Humboldt Mad River Comment
  UC164793  Microseris bigelovii Joseph P. Tracy 1911-5-30 3203 Humboldt Bucksport Northern Coast Region, Humboldt Bay Region 0 Comment
  CAS-BOT-BC348948  Microseris douglasii subsp. douglasii Joseph P. Tracy 1929-5-5 8560 Humboldt Miranda. Along South Fork of Eel River 121 Comment
  UC1223196  Microseris laciniata subsp. laciniata Joseph P. Tracy 1942-6-15 17169 Humboldt five mi n Garberville (along Eel River from South Fork Eel River to Scotia); Northern Coast Ranges, along Eel River from South Fork 60 Comment
  HSC74187  Microseris nutans Gail Newton 1980-6-28 722 Humboldt Near Mad River Butte. 1536 Comment
  CDA41683  Mimulus alsinoides B. F. Kemp 1958-4-14 s.n. Humboldt Winters Ranch, north of Bald Hills School, near Eureka. 0 Comment
  JEPS4738  Mimulus alsinoides Joseph P. Tracy 1925-6-7 7062 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  UC902229  Mimulus aurantiacus var. aurantiacus Joseph P. Tracy 1947-5-24 17691 Humboldt Devil's Canyon Big Lagoon 152 Comment
  JEPS10550  Mimulus breweri W. L. Jepson 1902-7-23 2108 Humboldt Trinity Summit 2133 Comment
  JEPS28968  Mimulus breweri Joseph T. Gregory 1935-7-28 792 Humboldt head Devil's Hole; Trinity Summit 1828 Comment
  UC1299218  Mimulus cardinalis Freed W. Hoffman 1949-7-15 3011 Humboldt a little s Blue Ridge (bottom of Mule Slide); North Coast Ranges, Mt. Lassic area Comment
  JEPS22954  Mimulus dentatus Volney Rattan June 1882 Humboldt Humboldt Bay Comment
  JEPS10567  Mimulus douglasii Joseph P. Tracy 1925-5-24 7012 Humboldt Kneeland Prairie 762 Comment
  UC1196790  Mimulus douglasii Joseph P. Tracy 1921-4-24 5468 Humboldt Phillipsville Northern Coast Ranges, South Fork of Eel River 121 Comment
  UC1196769  Mimulus floribundus Joseph P. Tracy 1923-9-16 6557 Humboldt at mouth South Fork; Trinity River Valley 182 Comment
  UCR45415  Mimulus guttatus Kenneth Clark 1980-5-10 659 Humboldt Western Beach, Point Delgada 15 Comment
  HSC45092  Mimulus guttatus R. Sutherland 1978-5-12 13 .12578 Humboldt 290 Comment
  HSC89591  Mimulus guttatus M. Roantree 1985-5-15 45 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  RSA454335  Mimulus guttatus R. S. Woglum 1938-8-28 2044 -A Humboldt Grounds of Trinidad State Park, south of Trinidad. (northcentral-coastal Humboldt) Comment
  UC1196773  Mimulus inodorus Joseph P. Tracy 1917-9-2 4845 Humboldt near top Grouse Mtn.; Northern Coast Ranges 1524 Comment
  UC582480  Mimulus inodorus Joseph P. Tracy 1923-9-16 6551 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC60082  Mimulus kelloggii M. A. Baker 1978-5-6 500 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  UCD21583  Mimulus kelloggii K. Esau 1935-4-23 s.n. Humboldt Ft. Seward. Comment
  UC41887  Mimulus kelloggii W. C. Blasdale 1896-6-8 Humboldt near Pilot Ridge; ; Mad River near Deer Creek, Humboldt Co. Comment
  HSC73736  Mimulus moschatus M. A. Baker 1980-7-22 3090 Humboldt Near Grogan Hole. 1676 Comment
  HSC20787  Mimulus pilosus D. E. Anderson 1963-10-6 2879 Humboldt Mad River bed, across from Essex Junction. Comment
  HSC44532  Mimulus tilingii Brad Klipfel 1973-7-1 141 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC20242  Mitella caulescens D. E. Anderson 1967-6-7 4350 Humboldt Along Puter Creek, tributary to Mad River, about 3 mi. S of Blue Lake Comment
  HSC75800  Mitella caulescens Bill Copeland 1980-6-26 297 Humboldt Near Murphy Meadow 914 Comment
  UC1198862  Mitella ovalis Joseph P. Tracy 1918-6-16 4956 Humboldt Eureka Northern Coast Region 0 Comment
  HSC97645  Moehringia macrophylla C. Witte 2007-5-17 27 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  UCD125243  Monardella sheltonii Joseph P. Tracy 1947-7-5 17782 Humboldt Trinity Summit; ridge top one mile west of Mud Springs. 1158 Comment
  SEINET4173659 Image available Monardella villosa Joseph P. Tracy 1939-8-5 16381 Humboldt Dinsmore's Comment
  UC2035937  Monardella villosa C. Epling Aug 1933 Humboldt Richardson Grove Comment
  HSC99284  Monardella villosa J. Wendell Howe 1931-6-19 Humboldt Redway Comment
  JEPS62397  Monardella villosa subsp. villosa W. L. Jepson 1927-7-3 12370 Humboldt Garberville South Fork Eel River 365 Comment
  UC1225847  Monardella villosa subsp. villosa Joseph P. Tracy 1946-7-21 17619 Humboldt Blue Slide Van Duzen River 91 Comment
  UC314640  Moneses uniflora Joseph P. Tracy 1926-5-22 7515 Humboldt Northern Coast Ranges, Prairie Creek Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  RSA249710  Monotropa hypopitys R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35132 a Humboldt Wailaki Recreation Site. 610 Comment
  CAS-BOT-BC444804  Montia diffusa Harley P. Chandler 1901-5-1 1271 Humboldt North Coast Ranges. Redwood Belt 152 Comment
  UC161050  Montia fontana Joseph P. Tracy 1909-5-2 2955 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  JEPS109237  Montia howellii Stephanie Puentes 2008-4-23 Humboldt Vicinity Larabee Valley, along Horse Creek about 1 mile upstream from Hwy 36. Comment
  HSC32090  Montia linearis D. E. Anderson, T. Nelson, S. Dowty 1972-6-17 5708 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC524121  Montia parvifolia I. L. Wiggins 1932-7-7 5879 Humboldt near Samoa Comment
  CAS-BOT-BC445155  Montia parvifolia Doris K. Kildale 1926-5-27 1695 Humboldt Yager Creek, near mouth Comment
  UC673005  Montia parvifolia Joseph P. Tracy 1933-5-20 12215 Humboldt s of Ferndale (Wild Cat Ridge); Wild Cat Ridge 304 Comment
  HSC58681  Muhlenbergia filiformis G. L. Clifton, Griswold 1979-8-2 12276 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UCD86802  Muhlenbergia mexicana Joseph P. Tracy 1916-9-5 4774 Humboldt South Fork of Eel River, 4 miles above the mouth. 60 Comment
  UC1222234  Myosotis discolor Joseph P. Tracy 1942-5-16 17354 Humboldt 1 mi. n.e. Garberville (on rd. to Harris) 304 Comment
  UC582539  Myosotis discolor Joseph P. Tracy 1936-5-17 14809 Humboldt at crossing of Kneeland Rd. Lawrence Creek 457 Comment
  HSC3743  Myosotis discolor J. R. Good 1964-5-15 42 Humboldt Mad River Park. NE of parking lot, 85 yds. towards Mad River Comment
  HSC34644  Myosotis sylvatica John Palmer 1975-4-9 295 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  CAS-BOT-BC101665  Myrica californica V. Rattan s.n. Humboldt unspecified Comment
  RSA239703  Myrica californica Larry E. DeBuhr 1973-4-23 988 b Humboldt Richardson Grove Redwood State Park. Comment
  UC1173634  Narthecium californicum Joseph P. Tracy 1934-8-29 13629 Humboldt meadow at McKay Camp (S. Fork Mt.); S. Fork Mt. 1676 Comment
  HSC12786  Nasturtium officinale M. J. Athey 1970-10-28 5 Humboldt Along old road to Trinidad, along E bank, Trinidad Comment
  UC1198525  Navarretia atractyloides Joseph P. Tracy 1925-7-26 7207 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS70294  Navarretia divaricata Joseph P. Tracy 1932-7-11 10395 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC906686  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1947-7-5 17794 Humboldt Mud Springs , Mud Springs (Trinity Summit) 1371 Comment
  JEPS70445  Navarretia pubescens Joseph P. Tracy 1916-6-20 4733 Humboldt Alder Point Northern Caost Ranges 152 Comment
  UC52442  Navarretia squarrosa J. P. Tracy 1903-8-9 1932 Humboldt immediate vicinity Eureka 0 Comment
  HSC71063  Nemophila menziesii Thomas W. Nelson, Jane P. Nelson 1977-5-30 3397 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  OBI13911  Nemophila menziesii Carl B. Wolf 1937-6-19 8915 Humboldt North Coast Range, 3 mi W of Little Van Duzen River at summit of grade-Dinsmore to Bridgeville 762 Comment
  UC146182  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  CAS-BOT-BC219404  Nemophila parviflora Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC32319  Nemophila parviflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5652 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC67091  Nemophila parviflora Harley P. Chandler May, 1901 1270 Humboldt North Coast Ranges 152 Comment
  JEPS1920  Nemophila pedunculata Joseph P. Tracy 1917-4-29 4779 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC176993  Nemophila pedunculata Joseph P. Tracy 1913-5-4 4065 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC93918  Noccaea fendleri subsp. californica D. K. Imper 1997-4-10 Humboldt Kneeland Prairie, W side of airport 854 Comment
  HSC74643  Noccaea fendleri subsp. glauca M. A. Baker 1980-5-18 1365 Humboldt Near Black Mtn. 792 Comment
  HSC8070  Notholithocarpus densiflorus var. densiflorus Doris K. Kildale 1926-8-22 2569 Humboldt Bald Hills; E end of Tomlinson's Prarie 716 Comment
  HSC62976  Nuphar polysepala David Wheeler 1979-5-18 117 Humboldt Fieldbrook Elementary School, behind the baseball field Comment
  HSC77337  Nuttallanthus texanus L. P. Janeway 1983-5-19 299 Humboldt Samoa Peninsula, 0.5 mi. N of Eureka-Samoa bridge, between RR tracks and old Samoa Road near W edge of Arcata Bay 3 Comment
  UC582473  Nuttallanthus texanus Joseph P. Tracy 1928-5-6 8431 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UCD127733  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt Larrabee Creek, 3 miles north of Blocksburg. 457 Comment
  UC1197139  Oenanthe sarmentosa Joseph P. Tracy 1943-7-18 17438 Humboldt Big Lagoon 6 Comment
  CDA38488  Oenanthe sarmentosa Margaret Bellue 1932-9-28 s.n. Humboldt Arcata. 0 Comment
  CDA38492  Oenanthe sarmentosa Margaret Bellue Jul 1933 s.n. Humboldt [no further data] 0 Comment
  JEPS14167  Oenanthe sarmentosa Lincoln Constance 1934-6-18 893 Humboldt border of N. Dyerville Flat (near S. Fork R.R. Station & P.O.); Bull Creek Region, S. Fork Eel R., N. Dyerville Flat Comment
  UC642332  Oenanthe sarmentosa Joseph P. Tracy 1927-9-25 8376 Humboldt at Eureka Eureka 6 Comment
  HSC92716  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-14 Humboldt S of Trinidad, behind Matson Home, just E of Hwy. 101 near Moonstone Beach Exit 46 Comment
  CAS-BOT-BC171605  Oenothera wolfii L. R. Abrams 1918-6-16 7168 Humboldt Willow Creek Comment
  HSC37886  Olsynium douglasii var. douglasii Thomas W. Nelson 1976-4-3 2288 Humboldt On large rock at head of Goat Rock slide, N side of Van Duzen River Comment
  UC637063  Orobanche californica subsp. californica Edward Lee 1934-8-17 1152 Humboldt East shore of Big Lagoon, 35 miles north of Eureka. Comment
  HSC34915  Orobanche uniflora Thomas W. Nelson, James Nelson 1975-5-24 1843 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC906645  Orogenia fusiformis Joseph P. Tracy 1942-6-23 17252 Humboldt near top Trinity Summit (w. of Water-Dog Lakes) 1828 Comment
  HSC104436  Orthilia secunda Bianca Hayashi 2013-6-18 Humboldt Northwest of Snow Camp Mountain Comment
  POM296047  Orthocarpus erianthus var. gratiosus S. K. Harris 1942-6-10 1474 Humboldt Bear River Ridge. 457 Comment
  HSC56000  Orthocarpus imbricatus Walter Overton, Marvin Butler 1979-7-31 11445 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  JEPS9402  Orthocarpus imbricatus Joseph P. Tracy 1932-7-11 10416 Humboldt Trinity Summit , open places at Corral Prairie (open places at Corral Prairie) 1584 Comment
  HSC81604  Osmorhiza berteroi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5249 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  JEPS14255  Osmorhiza berteroi Joseph P. Tracy 1932-7-12 10450 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC642259  Osmorhiza occidentalis Joseph P. Tracy 1935-7-24 14189 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  HSC22861  Osmorhiza purpurea D. E. Anderson 1965-5-1 3562 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek 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
  HSC89718  Oxalis corniculata Larry Levine, Manuel Pachero, Murphey 1989-2-24 2 Humboldt HSU campus, garden plot SW of Buckhouse 40 Comment
  SEINET3347662 Image available Oxalis oregana Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15204 Humboldt Bolling Grove State Park; unspecified Comment
  HSC59664  Oxalis oregana George Kirn 1977-10-3 Humboldt Vicinity of Jolly Giant Creek, 1/4 mi. E of HSU campus 46 Comment
  HSC83368  Oxalis oregana R. W. Becking 1987-3-23 Humboldt Arcata, HSU campus, by steps behind NRS building Comment
  POM278933  Oxalis oregana Lyman Benson 1927-7-12 225 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  UC1103421  Oxalis oregana Joseph P. Tracy 1926-7-5 7721 Humboldt near Redwood House (head of Grizzle Creek, towards South Yager); Northern Coast Ranges 609 Comment
  HSC16715  Oxalis pes-caprae W. F. Nickel 1965-5-15 Humboldt W side of College Elementary School, H.S.C. Campus Comment
  SEINET200360 Image available Paeonia brownii Joseph P. Tracy 1938-6-13 15920 Humboldt Grouse Mountain at 'Cold Springs 1430 Comment
  RSA152617  Panicum acuminatum var. acuminatum Joseph P. Tracy 1918-7-5 5014 Humboldt White Thorn Valley 305 Comment
  UC1713146  Panicum acuminatum var. acuminatum Joseph P. Tracy 1918-9-29 5106 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork Eel River above its mouth 60 Comment
  UC196966  Panicum acuminatum var. acuminatum Joseph P. Tracy 1915-6-6 4645 Humboldt at Eureka Eureka; Northern Coast Region, at Eureka 0 Comment
  CAS-BOT-BC253708  Panicum capillare Peter Rubtzoff 1968-9-4 5956 Humboldt Goulds Bar, S Fork Eel River SE of Weott Comment
  POM366049  Panicum oligosanthes var. scribnerianum Henry M. Pollard 1947-8-30 s.n. Humboldt Near Wilson Creek, on Klamath River, (near Orleans) Comment
  UCD89768  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt Klamath River, near Slate Creek. 8 miles below Orleans. 121 Comment
  SEINET200977 Image available Parapholis incurva Joeseph P. Tracy 1936-6-6 14860 Humboldt Eureka, CA 3 Comment
  CDA6200  Parentucellia viscosa D. G. Kelch 2007-7-25 7 .505 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  UC885089  Parentucellia viscosa John Thomas Howell 1937-7-31 13719 Humboldt 3 mi w Korbel Comment
  HSC20911  Parentucellia viscosa D. E. Anderson 1961-8-11 1738 Humboldt Redwood preserve E of HSC campus, by field house Comment
  HSC90750  Parentucellia viscosa Jean Hanson 1980-6-22 95 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka, W end of island Comment
  UC525569  Pectocarya penicillata Joseph P. Tracy 1926-5-2 7418 Humboldt near South fork; Northern Coast Rangers, Trinity Valley River Comment
  UC582556  Pedicularis densiflora Joseph P. Tracy 1937-4-3 15251 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC902220  Pedicularis densiflora Joseph P. Tracy 1941-3-26 16818 Humboldt at Willow Creek Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC67769  Pellaea andromedifolia Doris K. Kildale 1926-4-30 1921 Humboldt Briceland Bridge, 1/2 mile west of Garbersville 114 Comment
  CAS-BOT-BC69341  Pellaea brachyptera Joseph P. Tracy 1939-8-16 16423 Humboldt Grouse Mountain 1524 Comment
  HSC95881  Pellaea mucronata var. mucronata Will Ferrand 2002-4-28 41 Humboldt About 0.5 mi. S of intersection of Hwy. 299 and South Fork Trinity exit 259 Comment
  HSC56009  Penstemon anguineus Gilbert Muth 1979-7-31 11491 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC56314  Penstemon anguineus Walter Overton, Marvin Butler 1979-8-2 12651 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 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
  HSC73629  Penstemon azureus M. A. Baker 1980-7-23 3146 Humboldt Near Orleans Mtn. 1859 Comment
  HSC75162  Penstemon azureus J. O. Sawyer, R. J. Cole 1977-7-3 3009 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  SEINET7719718  Penstemon corymbosus Chesnut, Drew 1888-7-10 Humboldt Jarnigan's Comment
  NY601767  Penstemon heterophyllus var. purdyi L. Constance 1934-5-26 676 Humboldt South Fork of Eel River, south end of Dyerville Bridge 45.7 Comment
  HSC74399  Penstemon laetus subsp. sagittatus Gail Newton 1980-6-28 731 Humboldt Near Mad River Butte. 1536 Comment
  CDA41855  Penstemon laetus subsp. sagittatus Kaylea Eickhoff, Cara M. Witte 2005-6-15 14 Humboldt 14.1 miles south of Highway 299 on NF1, 0.25 mile northeast of Grouse Mountain. Comment
  UC1222785  Penstemon laetus var. sagittatus Joseph P. Tracy 1951-6-26 19588 Humboldt n side Board Camp Mountain extreme head of Redwood Creek, n side Board Camp Mountain (at extreme head of Redwood Creek) 1541 Comment
  UC1543128  Penstemon newberryi var. berryi W. K. Parks Jul 1933 1433 Humboldt South Fork Mountain Comment
  UC1586908  Penstemon parvulus Juha Pykala and D. H. Norris 1987-6-10 1523 Humboldt on Onion Lake Road about 1-2 mi s from Onion Lake; Six Rivers National Forest, s from Onion Lake 1280 Comment
  HSC103085  Penstemon purpusii Sydney Carothers 2014-6-22 6 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  SEINET5329314 Image available Penstemon rattanii J. Tracy 1906-6-10 2480 Humboldt Kneeland Prairie 762 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
  UC1197121  Perideridia kelloggii Joseph P. Tracy 1927-8-7 8315 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC34702  Persicaria amphibia Thomas W. Nelson 1974-8-24 1705 Humboldt Klamath River ca. 2 mi. below the mouth of Aikins Creek Comment
  HSC45468  Persicaria wallichii Thomas W. Nelson, M. Alcasas 1978-10-10 4555 Humboldt Off Hwy. 101 right-of-way N of HSU exit 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
  UCD134927  Petasites frigidus var. palmatus R. N. Raynor 1935-3-13 s.n. Humboldt Fort Seward. Comment
  HSC100713  Petasites palmatus Carl C. Marshall Apr 1886 54 Humboldt Banks of streams. Comment
  HSC13622  Phacelia bolanderi D. E. Anderson 1963-5-25 2471 Humboldt About 1 mi. W of Fernbridge along Rd. to Ferndale Comment
  UC562558  Phacelia corymbosa Joseph P. Tracy 1926-6-20 7624 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  RSA249336  Phacelia corymbosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5621 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  UC175732  Phacelia egena Joseph P. Tracy 1913-6-13 4112 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC176055  Phacelia egena Joseph P. Tracy 1913-6-25 4337 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  CDA40417  Phacelia heterophylla subsp. virgata Kaylea Eickhoff, Cara M. Witte 2005-6-8 6 Humboldt Northwestern California; 1.7 miles south of Hwy 299 on Titlow Hill Road. Comment
  JEPS1162  Phacelia mutabilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8937 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  JEPS91346  Phacelia mutabilis Dean W. Taylor 1991-8-15 12299 Humboldt ridge 1 mile West of Horse Mountain, 1493 Comment
  UC562557  Phacelia mutabilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8937 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  JEPS81028  Phacelia nemoralis subsp. oregonensis James P. Smith 1973-5-26 6871 Humboldt near Rio Dell (bluffs along river); Eel River, Scotia Bluffs Comment
  HSC58070  Phacelia procera G. L. Clifton, Griswold 1979-8-1 11955 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC1239735  Phacelia procera Joseph P. Tracy Jul 16 1930-Jul 19 1930 9084 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC40205  Phalaris aquatica Thomas W. Nelson, James Nelson 1976-6-22 2843 Humboldt Along Hwy. 36, ~ 4 mi. E of Bridgeville Comment
  BLMAR51  Phalaris californica Brad Barr June, 1982 51 Humboldt King range, Lake ridge Nroth facing slope Comment
  UC154110  Philadelphus lewisii Joseph P. Tracy 1908-6 2886 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC181260  Phleum alpinum Joseph P. Tracy 1913-7-20 4376 1/2 Humboldt ridge between Redwood Creek and Three Creeks (on Berry's ranch); Northern Coast Ranges, btw Redwood Creek and Three Creeks 914 Comment
  UC187278  Phleum alpinum Joseph P. Tracy 1906-7-1 2514 Humboldt Eureka; Northern Coast Region 0 Comment
  RSA53767  Phleum pratense Henry M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  UC1145044  Phleum pratense Joseph P. Tracy 1947-8-24 17899 Humboldt Meadow at Box Camp Trinity Summit 1463 Comment
Read comments
Aug 5 2009
  HSC99405  Phlox adsurgens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 54 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC52675  Phlox adsurgens Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  UC52379  Phlox diffusa Joseph Burtt Davy and Walter C. Blasdale 1899-5 5790 Humboldt Trinity Summit Comment
  HSC39682  Phoradendron juniperinum Thomas W. Nelson, Jane Nelson 1976-6-16 2739 Humboldt Just W of Alder Springs. 1524 Comment
  CAS-BOT-BC452021  Phyllospadix torreyi W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  HSC18714  Physocarpus capitatus T. M. Mingo May 1965 Humboldt 200 ft. S of College Cove along rd. Comment
  CAS-BOT-BC78144  Picea breweriana Henry M. Pollard 1947-9-1 s.n. Humboldt North side of Somes Peak nr. Orleans 1618 Comment
  JEPS46729  Picea sitchensis J. P. Tracy Feb. 1901 Humboldt Humboldt Bay Comment
  SBBG25612  Picea sitchensis E. R. Blakley 1966-8-17 6802 Humboldt Patrick's Pt, 5 mi N of Trinidad 60 Comment
  SDSU1550  Picea sitchensis D. F. Howe 1961-8-1 3110 Humboldt Three miles north of Arcata on #101. Comment
  SJSU2223  Picea sitchensis H. L. Buckalew 1959-7-10 Humboldt Prairie Creek Redwoods State Park, northweastern Humbollt County Comment
  HSC99044  Pinus attenuata Cara Witte 2008-6-15 752 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  MACF017417  Pinus contorta Trudy R. Ericson 1974-8-5 198 Humboldt Hwy 255 between Eureka and Arcata, near the shore Comment
  POM21765  Pinus contorta var. contorta L. R. Abrams 1916-7-18 6074 Humboldt Arcata to Trinidad. Comment
  CAS-BOT-BC73199  Pinus jeffreyi Doris K. Kildale 1926-9-5 2648 Humboldt Lassen's Peaks. Signal Peak. 1791 Comment
  HSC70538  Pinus lambertiana Gail Newton 1980-7-22 1661 Humboldt Near Devils Backbone 1646 Comment
  HSC44053  Pinus ponderosa Thomas W. Nelson, Jane P. Nelson 1977-4-23 3344 Humboldt Tributary to Blanket Creek 1463 Comment
  UC13527  Piperia elegans Chesnut and Drew 1888-7-10 Humboldt Jarnnigan's Jarnigan's Comment
  UC14938  Piperia elongata Mrs. M. H. Manning Jul 1901 Humboldt near Hupa; Eureka Trail Comment
  CAS-BOT-BC158324  Piperia multiflora J. D. Ackerman 1974-8-13 407 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  CDA42401  Pittosporum tenuifolium R. Robison 2014-5-5 s.n. Humboldt Trinidad State Beach, in area west of town, southwest of State Park Road parking lot, along path toward Ewing Street. 0 Comment
  UC582610  Plagiobothrys bracteatus Joseph P. Tracy 1936-6-3 14842 Humboldt opposite mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley, Lack Pond 152 Comment
  JEPS79948  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-15 17115 Humboldt Englewood Prairie 91 Comment
  JEPS60974  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1918-7-5 5010 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC249519  Plagiobothrys tenellus Joseph P. Tracy 1922-4-30 5990 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC175681  Plagiobothrys tenellus Joseph P. Tracy 1908-6-9 2646 Humboldt gravelly hills Northern Coast Ranges, Kneeland Prairie 762 Comment
  SEINET12275926  Plagiobothrys trachycarpus J. P. Tracy 1942-1 17355 Humboldt 1 mi NE of Garberville 305 Comment
  UCD124428  Plantago erecta D. E. Breedlove 1962-6-7 3046 Humboldt 1.5 miles south of Samoa on peninsula on west side of Humboldt Bay. 106 Comment
  UC1196146  Plantago erecta Joseph P. Tracy 1905-4-30 2174 Humboldt Fairhaven Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  POM161948  Plantago hirtella var. galeottiana Joseph P. Tracy 1921-7-10 5849 Humboldt Big Lagoon. 6 Comment
  HSC16844  Plantago lanceolata R. I. Bonn 1965-5-9 38 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  UC1125641  Plantago lanceolata H. L. Person 1932-7-16 Humboldt n of Trinidad (highway); Rock Point Quad. Comment
Read comments
Aug 3 2007
  UC585992  Plantago subnuda Joseph P. Tracy 1927-6-26 8220 Humboldt Stone Lagoon 9 Comment
  HSC48856  Platanthera dilatata var. leucostachys Brad Klipfel 1973-7-15 215 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC57692  Platanthera dilatata var. leucostachys G. L. Clifton, Griswold 1979-7-25 10917 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC101999  Platanthera leucostachys M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 898 Humboldt Patterson Meadows 1555 Comment
  HSC99474  Platanthera leucostachys K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 128 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC666987  Platanthera sparsiflora Joseph P. Tracy 1932-7-17 10673 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC47999  Platanthera sparsiflora Brad Klipfel 1975-6-17 673 Humboldt Comment
  HSC95538  Platystemon californicus Andrea Pickart 2002-3-14 8 Humboldt Samoa Dunes, BLM Endangered Plant Protection Area 0 Comment
  HSC45657  Plectritis congesta Diane L. Reed 1978-4-22 26 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC59394  Plectritis congesta Rick Lundquist 1979-4-27 49 Humboldt N Spit, across from Samoa boat ramp N of U.S. Coast Guard Station. 0 Comment
  UC1239601  Plectritis congesta Joseph P. Tracy 1926-5-9 7459 Humboldt between Bridgeville and South Yager Creek 609 Comment
  SJSU2519  Pleuricospora fimbriolata H. L. Buckalew 1962-6-28 Humboldt Prairie Cr, Redwoods State Park Comment
  HSC63839  Pleuricospora fimbriolata M. A. Baker 1979-6-26 907 Humboldt N side of ridge near summit Comment
  SEINET6652845 Image available Pleuricospora fimbriolata Joseph P. Tracy 1925-1 7184 A Humboldt Northern Coast Ranges: High Prairie on Bald Mountain 1067 Comment
  UCD90101  Pleuropogon refractus A. A. Beetle; G. L. Stebbins Jr., J. P. Tracy 1942-6-2 3482 Humboldt branch of South Fork of Yager Creek. North of Yager. Comment
  SEINET200750  Pneumonanthe calycosa Joseph P. Tracy 1939-8-16 16412 Humboldt Horse Mountain . 1402 Comment
  UC1145120  Poa bolanderi Joseph P. Tracy 1937-7-29 15581 Humboldt near McKay camp South Fork Mt 1676 Comment
  UC184155  Poa compressa Joseph P. Tracy 1912-7-26 3872 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC207680  Poa douglasii Joseph P. Tracy 1917-5-30 4798 Humboldt at Little River Ocean Beach; Northern Coast Region Comment
  RSA183645  Poa kelloggii D. E. Anderson 1965-5-6 3622 Humboldt 4.8 miles west of bridge over North Fork of Mad River, along Hw. 299. Alder bench below highway backslope Comment
  HSC58823  Poa pratensis G. L. Clifton, Griswold 1979-8-2 12279 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC75699  Poa pratensis Bill Copeland 1980-6-26 565 Humboldt Near Snow Camp Lake 1372 Comment
  UC589883  Poa pratensis subsp. pratensis H. S. Yates 1936-6-17 5703 Humboldt lower nw slope Buck Mt; South Fork Peak Quadrangle 792 Comment
  HSC102087  Poa secunda subsp. secunda M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 990 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UCD91730  Poa secunda subsp. secunda A. H. Murphy 1947-4-2 s.n. Humboldt 2 miles S of Blocksburg. Comment
  HSC70762  Poa trivialis R. York 1980-5-17 520 Humboldt Near Le Perron Peak 792 Comment
  UC1103188  Poa trivialis Joseph P. Tracy 1938-6-17 15948 Humboldt 1 mi e Cape Mendocino (Cape Ridge) 304 Comment
  UCD92117  Poa trivialis H. S. Yates 1936-6-16 6582 Humboldt near Bayside. Comment
  UCD92123  Poa unilateralis A. A. Beetle 1940-5-19 3612 Humboldt near H.E. Parks Reservoir, California coast. Comment
  UC1988934  Pogogyne zizyphoroides J. P. Tracy 1938-7-5 16005 Humboldt 45 Comment
  CAS-BOT-BC232887  Polemonium carneum Carl B. Wolf 1937-6-17 8881 Humboldt Big Lagoon, S side at W of Redwood Highway 6 Comment
  POM138540  Polygala californica H. P. Chandler 1901-06 1328 Humboldt Hupa Indian Reservation. 152 Comment
  UC170193  Polygala californica Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC450153  Polygala californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5413 Humboldt Hubbard's Station to Elk Prairie; North Coast Ranges, Hubbard's Station, Elk Prairie Comment
  UC1198989  Polygala cornuta var. cornuta Joseph P. Tracy 1939-8-16 16414 Humboldt barren places Horse Mountain 1432 Comment
  UC165802  Polygala cornuta var. cornuta Joseph P. Tracy 1911-7-8 3447 Humboldt hill slopes at w side Trinity River (near Willow Creek); Northern Coast Ranges 152 Comment
  UC55943  Polygonum aviculare subsp. aviculare J. P. Tracy 1901-7-28 1219 Humboldt Immediate vicinity of Eureka 0 Comment
  UC672973  Polygonum aviculare subsp. depressum Joseph P. Tracy 1940-10-18 16778 Humboldt Trinidad 9 Comment
  CAS-BOT-BC414464  Polygonum douglasii Joseph P. Tracy 1930-6-21 8779 Humboldt Larrabee Valley 731 Comment
  HSC55101  Polygonum minimum G. L. Clifton 1979-7-31 11832 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC37919  Polygonum paronychia Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  HSC64430  Polygonum paronychia J. P. Smith 1971-10-6 4957 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC672980  Polygonum phytolaccifolium Joseph P. Tracy 1933-7-25 12840 Humboldt Grouse Mountain; near springs 1524 Comment
  HSC48864  Polygonum polygaloides subsp. kelloggii Brad Klipfel 1973-6-10 57 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CDA37209  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Eureka; 2nd Street at P Street. Comment
  RSA279504  Polygonum polystachyum Thomas W. Nelson 1978-10-10 4555 Humboldt Growing on Hwy 101 right of way just N of Humboldt State University exit, 1.5 miles. Comment
  UC175846  Polygonum punctatum Joseph P. Tracy 1912-10-20 3993 Humboldt Loleta Pond Northern Coast Ranges, Eel River Valley 15 Comment
  UC1222471  Polygonum sawatchense subsp. oblivium Joseph P. Tracy 1947-8-24 17923 Humboldt on Box Camp Trail 1/2 mi w summit; Trinity Summit 1676 Comment
  HSC45835  Polypodium californicum M. A. Baker 1977-2-3 163 Humboldt West end of Lamphere Rd., less than 1 mi. from sand dunes Comment
  CAS-BOT-BC76848  Polypodium glycyrrhiza Doris K. Kildale 1928-2-19 4262 Humboldt Big Rock between Little River and Moonstone Beach Comment
  HSC33653  Polypodium glycyrrhiza M. Wetherwax 1975-6-1 171 Humboldt Beside Korbel to Maple Creek rd. 2 mi. SW of Korbel Comment
  HSC78979  Polypodium glycyrrhiza L. P. Janeway 1984-12-5 1194 Humboldt N Spit of Humboldt Bay, W side Samoa Rd. near the boat ramp 5 Comment
  RSA47154  Polypodium glycyrrhiza Doris K. Kildale 1928-12-29 6766 Humboldt Unspecified Comment
  HSC1114  Polypodium scouleri D. E. Anderson 1961-8-25 1754 Humboldt 1.5 mi. S of Trinidad Comment
  CAS-BOT-BC233071  Polypogon interruptus Joseph P. Tracy 1927-7-16 8261 Humboldt Eureka 60 Comment
  POM252888  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile NE of Samoa 3 Comment
  UCSC000004  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile N.E. of Samoa 3 Comment
  CAS-BOT-BC232593  Polypogon monspeliensis Doris K. Kildale 1927-6-25 3546 Humboldt Shelter Cove Comment
  HSC26350  Polypogon monspeliensis T. O. Osborne 1970-6-18 73 Humboldt Flat-iron Rock, 3/4 mile NW of Trinidad Lighthouse. Comment
  UC50475  Polypogon monspeliensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5514 Humboldt near Pepperwood; near Pepperwood Comment
  UCD91354  Polypogon monspeliensis A. H. Murphy 1948-5-1 s.n. Humboldt Blocksburg-Alderpoint road, 3 miles from Alderpoint. Comment
  SEINET4889908  Polypogon monspeliensis H. Ch 1901-1 1431 Humboldt North Coast Ranges, Klamath River 335 Comment
  RSA10061  Polypogon viridis Joseph P. Tracy 1926-7-4 7697 Humboldt [Unspecified] Comment
  UC519315  Polystichum Joseph P. Tracy 1933-10-15 13101 Humboldt along S Fork Eel River Miranda; North Coast Ranges 91 Comment
  UC1440062  Polystichum munitum Danin & H. G. Baker 1960-8-14 613 Humboldt ca. 1 mi toward Garberville from Myers Flat (Nelson Grove); Humboldt Redwoods State Park Comment
  JEPS64534  Populus Joseph P. Tracy 1939-4-18 16211 Humboldt on South Fork of Eel River between Miranda and Redway (at Sylvandale); North Coast Ranges, South Fork of Eel River 91 Comment
  CAS-BOT-BC102911  Populus trichocarpa Doris K. Kildale 1926-11-13 2853 Humboldt mouth of Lindsey Creek - Lower Mad River Comment
  UC492234  Populus trichocarpa Joseph P. Tracy 1932-4-24 9801 Humboldt South Fork of Eel River between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC1103514  Potamogeton foliosus Joseph P. Tracy 1923-5-30 6247 Humboldt pond at mouth of Little River; Northern Coast Ranges 1 Comment
  HSC59499  Potamogeton natans M. A. Ericksen 1979-4-20 209 Humboldt Northernmost Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  HSC79389  Potentilla anserina subsp. pacifica Kenneth Clark 1980-5-10 652 Humboldt Shelter Cove, western beach of Point Delgada at 10 ft. above high tide Comment
  POM366485  Potentilla anserina var. grandis Glenn A. Gorelick 1967-6-4 s.n. Humboldt Samoa Beach, near Eureka. Marine Sand dunes. Comment
  HSC57944  Potentilla gracilis var. fastigiata G. L. Clifton, Griswold 1979-7-31 11615 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC75750  Prosartes smithii Bill Copeland 1980-7-2 354 Humboldt Near Snow Camp Mtn. 1311 Comment
  BLMAR261  Prunella vulgaris subsp. lanceolata Jennifer Anthony-Wheeler 1998-7-14 261 Humboldt King range, strawberry rock grazing allotment 280 Comment
  JEPS62488  Prunella vulgaris var. lanceolata Joseph P. Tracy 1940-9-26 16729 Humboldt Eureka 6 Comment
  UC1402063  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-7-18 620 -30 Humboldt Comment
  UC577393  Prunella vulgaris var. lanceolata Joseph P. Tracy 1930-9-13 9183 Humboldt Jacoby Creek Valley 30 Comment
  JEPS44945  Prunus emarginata Joseph P. Tracy 1924-5-25 6685 Humboldt on Big Lagoon Prairie, Big Lagoon Big Lagoon Prairie; Northern Coast Region, Big Lagoon, Big Lagoon Prairie 6 Comment
  RSA254750  Prunus emarginata D. E. Anderson 1972-6-13 5572 Humboldt Westward lower slopes of Black Lassic near Trinity County line. 1585 Comment
  UC1198777  Prunus emarginata Joseph P. Tracy 1924-9-7 6860 Humboldt near Fortuna (Northern Coast Ranges); Northern Coast Ranges 60 Comment
  UC1713769  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1828 Comment
  UC492199  Prunus virginiana var. demissa Joseph P. Tracy 1928-8-5 8493 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC467820  Prunus virginiana var. demissa P. E. Goddard 1907-6-2 f 114 Humboldt Van Duzen Comment
  HSC88102  Pseudognaphalium stramineum R. W. Becking 1989-2-28 Humboldt Samoa, N Spit, Coast Guard back dunes Comment
  HSC40526  Pseudognaphalium thermale Thomas W. Nelson, James Nelson 1976-7-28 3060 Humboldt SW-facing outcrop along S.R. 36 ca. 4 mi. W of Dinsmore Comment
  CAS-BOT-BC80110  Pseudotsuga menziesii Doris K. Kildale 1926-11-14 2859 Humboldt Redwood Creek at Berry's 289 Comment
  HSC45284  Psilocarphus brevissimus R. W. Becking 1978-5-21 Humboldt Coast Guard Station on the N Spit to Humboldt Bay in bunker area Comment
  HSC1163  Pteridium aquilinum var. pubescens R. I. Bonn 1965-5-9 41 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC55195  Pteridium aquilinum var. pubescens G. L. Clifton, Griswold 1979-8-2 12291 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC10869  Puccinellia nutkaensis D. J. McVean 1965-5-22 84 Humboldt Along slough just W of Jackson Rd., 1/4 mi. N of Samoa Rd. Comment
  UCD92959  Puccinellia pumila Joseph P. Tracy 1938-7-15 16073 Humboldt Mouth of Eel River. Comment
  HSC41263  Pyrola aphylla Brad Klipfel 1974-7-23 456 Humboldt Horse Mtn. Comment
  UC153970  Pyrola asarifolia J. P. Tracy 1901-6-30 1191 Humboldt Immediate Vicinity of Eureka 0 Comment
  HSC55231  Pyrola picta G. L. Clifton, Griswold 1979-8-2 12432 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC562733  Pyrola picta Joseph P. Tracy 1932-7-14 10569 Humboldt Trinity Summit, near Corral Prairie 1584 Comment
  CAS-BOT-BC36510  Quercus Doris Kildale 1931-5-10 10580 Humboldt Snow Camp Comment
  HSC8106  Quercus chrysolepis D. E. Anderson 1961-9-30 1840 Humboldt Blue Lake 793 Comment
  OBI36120  Quercus chrysolepis David J. Keil 1983-7-1 17275 Humboldt 2.5 mi NE of Honeydew along Bull Creek Flats rd Comment
  RSA178558  Quercus chrysolepis Joseph P. Tracy 1950-8-4 19256 Humboldt Summit of ridge northeast of the lookout station, Grasshopper Peak (in Bull Creek State Park) at head of Canoe Creek. Comment
  UC403970  Quercus garryana Joseph P. Tracy 1924-10-12 6915 1/2 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC419047  Quercus garryana H. E. Parks, J. P. Tracy 1930-9-15 764 Humboldt Bald Hills Kneeland Comment
  UC667989  Quercus garryana Joseph P. Tracy 1935-7-14 14090 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC102091  Quercus garryana var. breweri M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 994 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  CAS-BOT-BC105162  Quercus kelloggii Doris K. Kildale 1927-4-16 3023 Humboldt Between Island Mountain and Fort Seward Comment
  CAS-BOT-BC105164  Quercus kelloggii Doris K. Kildale 1927-5-1 3120 Humboldt Blochsburg 518 Comment
  HSC68607  Quercus kelloggii Jacqueline Greenleaf 1980-8-12 329 Humboldt Near Becker Cabin. 1143 Comment
  HSC8259  Quercus kelloggii D. E. Anderson 1961-9-30 1835 Humboldt Comment
  UCD46652  Quercus kelloggii R. N. Raynor 1935-4-15 s.n. Humboldt Fort Seward. Comment
  RSA20796  Quercus sadleriana Carl B. Wolf 1937-8-13 9261 Humboldt North Coast Range, 12 mi. E. of Hoopa Valley on New Road toward Trinity Summit. 1677 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
  JEPS38033  Quercus vacciniifolia W. L. Jepson Jul 16 1902-Jul 23 1902 2061 Humboldt trail to the Devil's Backbone Trinity Summit 2133 Comment
  SFV17761  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine. 1463 Comment
  UC667980  Quercus vacciniifolia Joseph P. Tracy 1935-7-28 14336 Humboldt Head of Brett Hole Northern Coast Ranges, Trinity Summit 1828 Comment
  UCD47445  Quercus vacciniifolia John M. Tucker 1948-9-3 1851 Humboldt California, Humbolt Co.; Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest; Comment
  UC1196510  Quercus wislizeni Joseph P. Tracy 1938-6-9 15883 Humboldt North Dobbyn Creek Dobbyn Creek 152 Comment
  UC275513  Quercus wislizeni Joseph P. Tracy 1923-10-14 6576 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  HSC36067  Ranunculus aquatilis R. Hager May 1962 Humboldt Turner Draw near Arcata Comment
  UC13972 Image available Ranunculus aquatilis var. hispidulus Chesnut and Drew 1888-7-11 Humboldt Jarrigan's Comment
  CAS-BOT-BC378924  Ranunculus californicus var. californicus J. P. Tracy 1910-5-8 3132 Humboldt immediate vicinity of Eureka 152 Comment
  HSC18131  Ranunculus californicus var. californicus F. B. Plett 1963-3-31 13 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  POM269620  Ranunculus flammula var. ovalis Joseph P. Tracy 1937-5-30 15312 Humboldt In Shallow pond near Bosworth's, alt 1200ft. Larrabee Creek. Comment
  HSC74375  Ranunculus occidentalis M. A. Baker 1980-6-28 2482 Humboldt Near Mad River Buttes 1445 Comment
  UC1196225  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5453 Humboldt Phillipsville Flat Northern Coast Ranges, South Fork of Eel River 91 Comment
  HSC99092  Ranunculus occidentalis var. occidentalis Cara Witte 2008-7-2 824 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  RSA115000  Ranunculus occidentalis var. rattanii E. K. Balls, Lee W. Lenz 1955-5-16 20745 Humboldt 2.7 miles NW of Ettersburg along old Coast Road. 457 Comment
  UC9487  Ranunculus orthorhynchus var. orthorhynchus Harley P. Chandler May 1901 1110 Humboldt Arcata North Coast Ranges, Humboldt Bay 30 Comment
  UC1196267  Ranunculus parviflorus Joseph P. Tracy 1928-5-13 8434 Humboldt near Centerville; Northern Coast Ranges, Fleener's Gulch 60 Comment
  POM126168  Ranunculus parviflorus W. Humboldt 1922-5-21 6053 Humboldt Blue Lake, locally common in depressions by roadside. 30 Comment
  POM87678  Ranunculus repens L. R. Abrams, Rimo Bacigalupi 1922-6-25 8276 Humboldt Big Lagoon S of Quick Comment
  HSC18176  Ranunculus repens var. repens Francis Winter 1960-4-19 Humboldt Samoa Peninsula, 4.5 mi. W of Arcata Comment
  HSC34802  Raphanus sativus Scott M. Kruse 1975-4-9 3 Humboldt Old Arcata Rd. and Chester Way, Arcata 3 Comment
  UC535751  Rhamnus californica Eleanor Armstrong 1934-8-24 1142 Humboldt Richardson Grove 121 Comment
  UC902204  Rhamnus californica Joseph P. Tracy 1942-8-30 17304 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA19036  Rhamnus californica subsp. occidentalis J. T. Howell 1937-7-31 13717 Humboldt 5 miles E of Berry Summit Comment
  JEPS41950  Rhamnus purshiana W. L. Jepson 1902-6-24 1932 Humboldt Angel's Ranch to Korbel 365 Comment
  CAS-BOT-BC200388  Rhododendron occidentale var. paludosum Doris K. Kildale 1927-6-26 3589 Humboldt Patrick's [Patricks] Point Comment
  HSC7884  Rhododendron occidentale var. paludosum N. D. Dennis 1965-4-29 30 Humboldt Old Arcata Rd., 6 mi. S of Arcata Comment
  HSC59630  Ribes bracteosum J. P. Smith 1971-10-9 5018 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  CAS-BOT-BC108905  Ribes divaricatum var. pubiflorum L. R. Abrams 1922-6-25 8248 Humboldt Near South Bay. Comment
  UC1198951  Ribes inerme var. klamathense Joseph P. Tracy 1935-5-30 13915 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC103197  Ribes lacustre Jade Paget-Seekins 2010-7-5 38 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  CAS-BOT-BC176807  Ribes laxiflorum Doris K. Kildale 1927-4-10 3080 Humboldt Prairie Creek, north of Orick Comment
  CAS-BOT-BC173358  Ribes lobbii Harley P. Chandler 1901-6-1 1278 Humboldt Hupa Indian Reservation 1097 Comment
  CAS-BOT-BC173363  Ribes lobbii L. R. Abrams 1918-6-14 7091 Humboldt Three Creeks Comment
  HSC98554  Ribes lobbii Cara Witte 2008-6-18 742 Humboldt 2 miles north of the intersection between National Forest 1 and Friday Ridge Road/ 6N08 1580 Comment
  UC11588  Ribes lobbii Harley P. Chandler June 1901 1278 Humboldt Hupa Indian Reservation North Coast Ranges 1097 Comment
  POM214934  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt Ridges east of Corral Prairie; Trinity Summit Comment
  HSC20317  Ribes menziesii G. B. Kendall 1965-5-16 33 Humboldt Trinidad State Park Comment
  HSC20318  Ribes menziesii Larry Berti 1968-10-10 Humboldt Comment
  RSA0021772  Ribes menziesii Doris K. Kildale 1927-6-25 3570 Humboldt Shelter Cove. Comment
  RSA0024753  Ribes roezlii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5594 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  CAS-BOT-BC198869  Ribes roezlii var. amictum Alice Eastwood 1939-3-19 18898 Humboldt Bolling Grove Comment
  CAS-BOT-BC212518  Ribes sanguineum F. G. Renner 1924-6-26 656 Humboldt Board Camp Ridge 1645 Comment
  HSC22511  Ribes sanguineum D. E. Anderson 1964-4-24 3540 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  UC1280968  Ribes sanguineum H. E. McMinn 1934-6-22 3713 Humboldt n Eureka; Sea Cliff Comment
  RSA0018244  Ribes sanguineum S. Ganley 1971-5-29 661 Humboldt Highway 299, along Trinity River. 457 Comment
  CAS-BOT-BC144683  Ribes sanguineum var. glutinosum Ira L. Wiggins 1930-6-25 4617 Humboldt Sand dunes 2 miles north of Samoa Comment
  CAS-BOT-BC144686  Ribes sanguineum var. glutinosum Lincoln Constance; Reed Rollins 1942-5-11 2866 Humboldt Near summit 8 miles east of Blue Lake Comment
  HSC20346  Ribes sanguineum var. glutinosum Doris K. Kildale 1927-5-1 3116 Humboldt Blocksburg Comment
  UCD102493  Ribes sanguineum var. glutinosum Linda M. Barker 1976-3-11 1323 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  CAS-BOT-BC173988  Ribes viscosissimum Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC102609  Ribes viscosissimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1596 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  RSA168871  Rigiopappus leptocladus Joseph P. Tracy 1950-7-6 18996 Humboldt Two miles south of Burr Valley on the Albee Road. 1159 Comment
  CAS-BOT-BC74513  Rorippa curvisiliqua Joseph P. Tracy 1931-9-7 9667 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC14385  Rorippa nasturtium-aquaticum Chestnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC275275  Rorippa nasturtium-aquaticum Joseph P. Tracy with H. E. Parks 1923-5-30 6246 Humboldt in small streamlet mouth Little River; Northern Coast Ranges, mouth Little River 3 Comment
  HSC98973  Rorippa palustris subsp. occidentalis Cara Witte 2007-6-8 237 Humboldt Intersection of National Forest 1 and 4N38. Intersection to Board Camp Mountain. 1395 Comment
  CAS-BOT-BC75023  Rorippa palustris var. hispida Henry M. Pollard 1947-8-21 s.n. Humboldt Klamath River near Camp Creek, Orleans region. Comment
  UC161000  Rosa Joseph P. Tracy 1911-7-7 3410 Humboldt 3 mi nw junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  CAS-BOT-BC147434  Rosa californica Doris Kildale 1931-6-6 10869 Humboldt Gans Prairie, Orick - Weitchpec Road Comment
  UC667042  Rosa californica Joseph P. Tracy 1933-6-25 12617 Humboldt Camp Grant Eel River (along river) 60 Comment
  JEPS47282  Rosa eglanteria W. L. Jepson 1936-8-15 17902 Humboldt Strongs station Van Duzen River, Grizzly Creek Comment
  CAS-BOT-BC146482  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC58243  Rosa gymnocarpa G. L. Clifton, Griswold 1979-8-2 12413 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC70703  Rosa gymnocarpa Gail Newton 1980-7-14 1547 Humboldt Near Deadman Ridge 362 Comment
  CAS-BOT-BC146829  Rosa nutkana Doris K. Kildale 1927-7-10 3724 Humboldt Gans Prairie on Bald Hills road 609 Comment
  HSC31560  Rosa nutkana Glenn McGourty 1974-6-1 77 Humboldt Comment
  RSA2870  Rosa nutkana Carl B. Wolf 1931-8-28 2364 Humboldt 1/8 mile from Rohnerville on the road to Fortuna 30 Comment
  UC1541247  Rosa nutkana var. nutkana H. E. Parks July 1933 4698 Humboldt vicinity of Trinidad Comment
  UC183614  Rosa nutkana var. nutkana Joseph P. Tracy 1912-10-20 3997 Humboldt Alton Northern Coast Region 30 Comment
  CAS-BOT-BC146880  Rosa rubiginosa C. B. Wolf 1931-8-28 2363 Humboldt 1/8 mile from Rohnerville on road to Fortuna 30 Comment
  JEPS45684  Rosa spithamea Joseph P. Tracy 1925-7-12 7196 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC14221  Rosa spithamea Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  CAS-BOT-BC148354  Rubus lasiococcus Joseph P. Tracy 1930-7-17 9021 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  UC1199044  Rubus lasiococcus Joseph P. Tracy 1947-6-26 17746 Humboldt near McKay camp (South Fork Mountain); , near McKay camp 1676 Comment
  CAS-BOT-BC147247  Rubus parviflorus Harold E. Parks; Joseph P. Tracy 1942-5-16 11562 Humboldt Vicinity of Garberville 152 Comment
  HSC19655  Rubus parviflorus J. P. Tracy 1932-7-15 10576 Humboldt Near Corral Prairie 1524 Comment
  SEINET5320889  Rubus parviflorus A. T. Leiser 1980-7-9 Humboldt North of Orick; North of Orick, Highway 101 reroute, near Redwood Park Comment
  POM117571  Rubus parviflorus var. velutinus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  SEINET11910601  Rubus spectabilis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -178 Humboldt ca 8 mi N of Trinidad on US 101 near Patricks Point State Park 6 Comment
  CAS-BOT-BC158792  Rubus ursinus Joseph P. Tracy 1946-8-25 17637 Humboldt Field's Landing, 2 miles above town. 6 Comment
  CDA26338  Rubus ursinus Gordon Leppig 1998-5-11 762 Humboldt Northern California Peatlands; Big Lagoon County Park. Big Lagoon Bog. Comment
  HSC19674  Rubus ursinus J. J. Wagoner 1965-2-16 2 Humboldt 16 mi. N of Trinidad W of Hwy. 101 in Dry Lagoon State Beach Park 15 Comment
  HSC8607  Rubus ursinus R. E. Hafenfeld 1965-5-9 5 Humboldt Near jct. of Gold Bluff Beach Rd.and Squashan Cr. 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
  UC667050  Rubus ursinus Joseph P. Tracy 1939-4-16 16209 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  HSC35025  Rudbeckia occidentalis K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  CAS-BOT-BC421934  Rumex acetosella Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC421932  Rumex acetosella Kenneth Clark 1980-3-1 510 Humboldt Shelter Cove. Dead Man's Gulch. 51 Comment
  UCD100992  Rumex acetosella Lincoln Constance 1934-6-3 807 Humboldt Bull Creek Region, South Fork Eel River. Along N side of Redwood Hwy, at Dyerville. Comment
  HSC102195  Rumex californicus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1109 Humboldt Andy's Camp 1564 Comment
  UC153937  Rumex conglomeratus J. P. Tracy 1910-10-1 3164 Humboldt immediate vicinity Eureka 0 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
  CHSC23320  Rumex fueginus Robert F. Thorne; P. Everett 1965-8-9 35329 Humboldt Clam Beach County Park; along highway in shallow water of ditch. 3 Comment
  HSC17616  Rumex obtusifolius Wm. F. Bowman 1968-11-20 Humboldt 4 mi. SE of Arcata, along Jacoby Creek Rd. Comment
  HSC93512  Ruppia cirrhosa Gordon Leppig 1998-6-25 752 Humboldt Hwy. 101 marker 81.60, brackish ditch on E side of Hwy. 2 Comment
  HSC100868  Rytidosperma penicillatum J. P. Smith Sep 2005 12151 Humboldt Trinidad Head. 61 Comment
  HSC71114  Sagina procumbens Thomas W. Nelson 1977-6-4 3388 Humboldt HSU campus along B St. along W side of Biology-Engineering Building Comment
  HSC4507  Salicornia depressa Norman H. Moe 1962-5-19 Humboldt Lanphere's Place, next to Mad River Slough Comment
  CAS-BOT-BC132668  Salix A. T. Whittemore 1980-3-15 80 -002 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC129891  Salix bonplandiana M. S. Jussel 1932-5-1 s.n. Humboldt Sylvandale Comment
  CAS-BOT-BC103819  Salix exigua Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01245 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC103821  Salix exigua Harold E. Parks 1931-5-14 0961 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  SBBG29091  Salix exigua var. hindsiana C. R. Ball, H. Parks, J. Tracy 1932-5-17 1335 Humboldt above Trinity River, 1 mi below bridge on Trinity Hwy 152 Comment
  SD989  Salix exigua var. hindsiana Harold E. Parks, Joseph P. Tracey 1931-5-17 971 Humboldt Mouth of Willow Creek at Trinity River 149 Comment
  UC481361  Salix exigua var. hindsiana Harold E. Parks 1931-5-14 958 Humboldt Fernbridge; lower Eel River 10 Comment
  CAS-BOT-BC107728  Salix hookeriana Harold E. Parks 1931-8-1 1057 Humboldt Bishop Pine Lodge, Trinidad 150 Comment
  CAS-BOT-BC107749  Salix hookeriana Harold E. Parks 1931-5-12 953 Humboldt Samoa, Humboldt Bay Comment
  CHSC31280  Salix hookeriana Mark Stopher 1980-3-26 42 Humboldt Adjoining Hwy 101 right of way near Elk River. Comment
  HSC19955  Salix hookeriana H. E. Parks 1931-3-24 914 Humboldt Fortuna, Eel River 10 Comment
  HSC19967  Salix hookeriana J. R. Woodside 1963-2-17 45 Humboldt 1.25 mi. N of Fairhaven Comment
  HSC38179  Salix hookeriana Thomas W. Nelson 1976-11-5 3296 Humboldt Along Wabash Ave. between F & G St., Eureka Comment
  JEPS12928  Salix hookeriana Joseph P. Tracy 1931-4-4 9330 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  POM219537  Salix hookeriana H. E. Parks 1931-08 1057 Humboldt Bishop Pine Lodge. Trinidad. 150 Comment
  UC1173588  Salix hookeriana Joseph P. Tracy 1937-7-27 15508 Humboldt Lindsay Creek Mad River (mouth) 15 Comment
  UC1196544  Salix hookeriana Joseph P. Tracy 1935-3-3 13715 Humboldt near mouth Mad R. 6 Comment
  UC1225778  Salix hookeriana Joseph P. Tracy 1948-4-4 17961 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC469120  Salix hookeriana Joseph P. Tracy 1927-4-23 7922 Humboldt Big Lagoon Northern Coast Ranges 6 Comment
  UC481397  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna Eel River (banks of river) 10 Comment
  UC481398  Salix hookeriana Harold E. Parks 1931-3-24 914 Humboldt Fortuna Eel River (bank of river) 10 Comment
  UC490458  Salix hookeriana Joseph P. Tracy 1932-5-10 9952 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC490476  Salix hookeriana H. E. Parks and Joseph P. Tracy 1932-8-13 10344 Humboldt vicinity Trinidad; Northern Coast Region 60 Comment
  UC492344  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC504060  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 7 Humboldt Samoa Comment
  UC511975  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1250 Humboldt 2 mi e of Redwood Hwy. Engelhart gravel pit (above Blue Lake Rd.); Mad River Comment
  UC511999  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1238 Humboldt floodplain of Van Duzen R. at Blue Slide 91 Comment
  UC512014  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1229 Humboldt 1 1/2 mi e Alton; Van Duzen River 30 Comment
  UC512111  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1204 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  UC519333  Salix hookeriana Joseph P. Tracy 1933-5-20 12263 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC481812  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 271 Humboldt between Miranda and Meyers (Sylvandale); S. Fork Eel R., Sylvandale Comment
  UC519387  Salix laevigata Joseph P. Tracy 1933-6-9 12528 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  UC519388  Salix laevigata Joseph P. Tracy 1933-6-9 12529 Humboldt Shively Northern Coast Ranges, Shively 30 Comment
  UC906710  Salix laevigata Harold E. Parks and Joseph P. Tracy 1942-5-16 11568 Humboldt vicinity of Garberville Garberville 152 Comment
  UC1196579  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1939-5-6 16280 Humboldt opposite mouth of Willow Creek Lack Pond; Trinity R. Valley 152 Comment
  HSC96574  Salix lasiandra var. lasiandra Gordon Leppig 2003-2-20 1807 Humboldt Eureka Slough, Cooper Gulch 5 Comment
  CAS-BOT-BC107619  Salix lasiolepis Doris K. Kildale 1927-3-22 2934 Humboldt Samoa Peninsula Comment
  CAS-BOT-BC107621  Salix lasiolepis Doris K. Kildale 1929-3-10 6935 Humboldt Bug Creek - Chaparral Mt. Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  HSC70352  Salix lasiolepis M. A. Baker 1980-6-7 1841 Humboldt Near Ammon Creek 732 Comment
  HSC98689  Salix lasiolepis Cara Witte 2008-9-13 1042 Humboldt Forest Service Road 4N38. 1/2 mile south of intersection to Tri Board Camp. 1506 Comment
  JEPS12949  Salix lasiolepis Joseph P. Tracy 1932-3-6 9775 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  LA208777  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11005 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  LA208778  Salix lasiolepis Joseph P. Tracy; 1933-4-2 10959 Humboldt Berry's Mountain; on Trinity Hwy; E of Redwood Creek 761 Comment
  UC469402  Salix lasiolepis Joseph P. Tracy 1931-9-27 9693 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 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
  UC506386  Salix lasiolepis Joseph P. Tracy 1932-6-19 10248 Humboldt Buck Mountain Northern Coast Ranges (nw slope, lower foothills) 762 Comment
  UC506504  Salix lasiolepis Joseph P. Tracy 1932-8-21 10358 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower western foothills of mt.) 457 Comment
  UC511990  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1241 Humboldt Blue Slide Van Duzen River 91 Comment
  UCD111587  Salix lasiolepis Carleton R. Ball; Harold E. Parks, Joseph P. Tracy 1932-5-17 01321 Humboldt Redwood Creek, at Berry's, on Trinity Highway. 274 Comment
  CAS-BOT-BC107404  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-3-28 1678 Humboldt Redwood Creek near Berry's 289 Comment
  CAS-BOT-BC107416  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-9-17 2802 Humboldt [Dobbyns] Dobbyn Creek Comment
  HSC99455  Salix lucida subsp. lasiandra K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 107 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  RSA298153  Salix lucida subsp. lasiandra Thomas W. Nelson 1978-4-23 3888 Humboldt At jct of Copher and Samoa Rds. N of Samoa. 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
  JEPS12953  Salix melanopsis Joseph P. Tracy 1932-5-10 9961 Humboldt Mattole River near Petrolia; Northern Coast Region 15 Comment
  UC1196563  Salix melanopsis Joseph P. Tracy 1931-10-3 9705 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC212983  Salix melanopsis Joseph P. Tracy 1920-5-31 5334 Humboldt mouth of Yager Creek; Northern Coast Region, Yager Creek 30 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC469452  Salix melanopsis Joseph P. Tracy 1931-9-7 9641 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481825  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt 6 km. s. Alton (e. of Redwood Hwy.) 20 Comment
  UC490562  Salix melanopsis Joseph P. Tracy 1932-5-1 9875 Humboldt vicinity of R. Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  UC55405  Salix melanopsis J. P. Tracy 1901-8-2 1242 Humboldt Van Duzen R. bar near Hydesville; Van Duzen R. 91 Comment
  CAS-BOT-BC129246  Salix piperi Joseph P. Tracy 1932-3-19 9787 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC129151  Salix scouleriana Doris K. Kildale 1927-5-13 3146 Humboldt Redwood Creek at Berry's 289 Comment
  UC1173623  Salix scouleriana Joseph P. Tracy 1935-3-8 13731 Humboldt alont Trinity Hwy. Willow Creek Canyon 304 Comment
  UC1196697  Salix scouleriana Joseph P. Tracy 1923-1-7 6135 Humboldt near Ferndale Ferndale; Northern Coast Ranges 15 Comment
  UC212995  Salix scouleriana Joseph P. Tracy 1919-9-23 5283 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC470445  Salix scouleriana Joseph P. Tracy 1929-10-20 8680 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC490503  Salix scouleriana Joseph P. Tracy 1932-2-7 9770 Humboldt Scotia Northern Coast Ranges, Scotia 30 Comment
  CAS-BOT-BC126275  Salix sessilifolia C. R. Ball; H. E. Parks; J. P. Tracy 1932-5-17 01337 Humboldt At Willow Creek, (Graham Ranch), near its junction with Trinity River 152 Comment
  CAS-BOT-BC128953  Salix sitchensis A. T. Whittemore 1979-4-5 79 -015 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School Comment
  HSC20106  Salix sitchensis H. E. Parks 1931-3-24 913 Humboldt Vicinity of Fortuna Comment
  UC481214  Salix sitchensis Harold E. Parks 1931-5-20 995 Humboldt Mad R. Blue Lake; , Blue Lake 15 Comment
  UC518896  Salix sitchensis Jim Davis Apr 25 1933-Apr 27 1933 6 Humboldt around Eureka Eureka Comment
  SBBG25586  Sambucus nigra subsp. caerulea E. R. Blakley 1966-8-17 6796 Humboldt Little Crk, Prairie Crk St Park, ca. 10 mi N of Orick 60 Comment
  HSC37578  Sanicula arctopoides J. D. Ackerman 1975-6-10 448 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  UC1197115  Sanicula arctopoides Joseph P. Tracy 1933-5-9 12164 Humboldt vicinity of Trinidad (Northern Coast Region); Northern Coast Region 60 Comment
  HSC21621  Sanicula bipinnatifida Paul Shields May 1955 Humboldt Horse Mountain Comment
  HSC45395  Sanicula graveolens Thomas W. Nelson, Jane P. Nelson 1977-7-4 3594 Humboldt Beside pond above Alder Springs 1585 Comment
  UC1197094  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  HSC101053  Sanicula tracyi Lisa Hoover 1996-7-11 176 Humboldt From County Rd. 1 heading south: turn onto Forest Service Rd. 3N10; pass intersection with FS Rd. 2N10 1119 Comment
  UC642317  Sanicula tuberosa Joseph P. Tracy 1933-7-11 12688 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC642318  Sanicula tuberosa Joseph P. Tracy 1930-7-17 9011 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC98590  Sanicula tuberosa Cara Witte 2008-6-9 692 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1503 Comment
  JEPS42981  Saxifraga ferruginea Jos. P. Tracy 1932-7-18 10710 Humboldt head of Brett Hole (Trinity Summit); , Brett Hole Comment
  UC249630  Saxifraga mertensiana Joseph P. Tracy 1922-4-30 6009 Humboldt mouth of South Fork Trinity River; Northern Coast Ranges, South Fork Trinity River 152 Comment
  UC774703  Saxifraga mertensiana Carl B. Wolf 1941-3-2 4068 Humboldt 2 mi s of Honeydew (along Honeydew Creek); North Coast Range, Honeydew Creek 152 Comment
  UC902008  Saxifraga mertensiana Joseph P. Tracy 1948-5-31 17999 Humboldt Harris 762 Comment
  UC642323  Scandix pecten-veneris Joseph P. Tracy 1935-5-25 13872 Humboldt Fort Seward 106 Comment
  UCD60367  Schoenoplectus pungens var. badius Gordon Leppig 1998-6-25 855 Humboldt McKinleyville, Mad River Estuary at end of Murray Rd. 0 Comment
  UC249743  Scirpus congdonii Joseph P. Tracy 1924-7-4 6707 Humboldt Snow Camp , Snow Camp (Northern Coast Ranges) 1371 Comment
  CAS-BOT-BC84074  Scirpus criniger H. N. Bolander 1867-6-1 6475 Humboldt Red Mts. Comment
  CAS-BOT-BC110925  Scirpus microcarpus Doris K. Kildale 1926-4-4 1735 Humboldt Trinidad Comment
  RSA246886  Scirpus microcarpus Robert F. Thorne, Percy C. Everett 1965-8-9 35320 Humboldt Clam Beach County Park: along highway. 3 Comment
  CDA39390  Scoliopus bigelovii Q. L. Holdeman 1963-2-2 s.n. Humboldt West side of Highway 101, just north of Redcrest. 0 Comment
  UCD18586  Scoliopus bigelovii Roman Gankin 1956-3-17 104 Humboldt off US Hwy 101, south boundary of Jenson Grove, near creek. Comment
  HSC59743  Scrophularia californica Clark L. Miller 1979-5-9 6117 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  UC147885  Scrophularia californica J. P. Tracy 1906-5-20 2465 Humboldt immediate vicinity Eureka 0 Comment
  POM126381  Scutellaria antirrhinoides P. E. Goddard 1907-6-16 b. 127 Humboldt Van Duzen Comment
  HSC14402  Scutellaria californica H. E. Parks 1934-7-6 5118 Humboldt Iaqua-Yager Creek 762 Comment
  UC25878  Scutellaria tuberosa C. C. Marshall 1888-1 Humboldt Comment
  HSC79268  Sedum laxum subsp. flavidum D. K. Imper 1983-7-12 Humboldt Six Rivers National Forest, Blue Creek Mtn. Comment
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May 27 2013
  CAS-BOT-BC63881  Sedum laxum subsp. heckneri David Imper 1985-7-1 s.n. Humboldt Slopes of Onion Mountain. 1219 Comment
  HSC59359  Sedum obtusatum subsp. retusum M. A. Baker 1979-6-28 945 Humboldt 1500 Comment
  HSC73871  Sedum radiatum Gail Newton 1980-7-14 1461 Humboldt Near Last Chance Ridge. 1219 Comment
  UC1225752  Sedum radiatum Joseph P. Tracy 1948-5-31 18000 Humboldt Harris Harris (on rock ledge in shade) 762 Comment
  RSA0081473  Sedum spathulifolium C. B. Wolf 1927-8-28 1163 Humboldt 8 miles above Weitchpec, Trinity River. Comment
  CDA42470  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway. Comment
  CDA8588  Senecio bolanderi var. bolanderi Gordon Leppig, M. Renner 2005-6-7 2246 Humboldt Pacific Lumber Company land. Redwood House Road, Hely Creek watershed. Comment
  HSC6113  Senecio integerrimus var. major D. E. Anderson 1965-5-1 3571 Humboldt Along road to Bluff Creek campground, about 3 mi. from its junction with Hwy. 96 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
  CAS-BOT-BC364013  Senecio integerrimus var. major Thomas W. Nelson; Jane P. Nelson 1980-5-25 5250 Humboldt North Coast Ranges. Along road from Dinsmore to Anderson Crossing. McKeown Ranch road ca 100 m north of junction of road to Hindley Cabin 822 Comment
  CDA8652  Senecio integerrimus var. major T. R. Haig 1960-6-18 Humboldt Kneeland Quarry, 0.5 mile northeast of Kneeland School. 0 Comment
  HSC6120  Senecio integerrimus var. major D. E. Anderson 1965-5-1 3571 Humboldt Along Bluff Creek road about 2.5 mi. from its junction with Hwy. 96 Comment
  UC175387  Senecio sylvaticus J. P. Tracy 1907-6-20 2571 Humboldt immediate vicinity Eureka 0 Comment
  UC205164  Senecio triangularis Joseph P. Tracy 1919-9-22 5263 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1889 Comment
  HSC29884  Senecio vulgaris Thomas W. Nelson 1971-11-11 600 Humboldt Foot of Murray Rd., McKinleyville. Comment
  CAS-BOT-BC85839  Sequoia sempervirens Rudolf W. Becking 1968-11-27 s.n. Humboldt Weott, Humboldt Redwoods State Park, Federation Grove. Comment
  CAS-BOT-BC85843  Sequoia sempervirens Joseph P. Tracy 1925-3-15 6945 Humboldt Blue Slide on Van Duzen River 91 Comment
  JEPS48272  Sequoia sempervirens Joseph P. Tracy 1940-10-17 16770 Humboldt Dyerville 48 Comment
  MACF015653  Sequoia sempervirens F. A. MacFadden 1935-6-22 13644 Humboldt Richardson's Grove, Humboldt California Comment
  RSA730333  Sequoia sempervirens R. R. Halse 1989-5-13 3842 Humboldt Along Highway 101, 2 miles south of Weott 108 Comment
  HSC98000  Sericocarpus oregonensis var. oregonensis Cara Witte 2007-8-1 610 Humboldt National Forest 1 on Kinsey Ridge. 1 1/2 miles north of White Oak Opening. 1256 Comment
  HSC99141  Sericocarpus oregonensis var. oregonensis Cara Witte 2007-7-26 592 Humboldt Along National Forest 1 on Kinsey Ridge. 1/4 mile north of intersection with Forest Service Road 4N06. 1262 Comment
  UC673264  Sidalcea asprella Lincoln Constance, Reed C. Rollins 1942-5-12 2889 Humboldt Klamath River 12 mi n Weitchpec 121 Comment
  HSC16035  Sidalcea diploscypha Lincoln Constance 1934-5-23 613 Humboldt SW slope, upper end of Look Prairie, S Fork Eel River, Bull Creek region 366 Comment
  POM208991  Sidalcea diploscypha Lincoln Constance 1934-5-23 613 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park. 366 Comment
  UC1198397  Sidalcea diploscypha Joseph P. Tracy 1942-6-15 17166 Humboldt 5 mi n Garberville; n of Garberville 152 Comment
  CAS-BOT-BC205568  Sidalcea malachroides Doris K. Kildale 1927-7-2 3628 Humboldt Lord-Ellis road Comment
  CAS-BOT-BC205571  Sidalcea malachroides Joseph P. Tracy 1938-6-7 15860 Humboldt Canyon Creek, 5 miles SE of Korbel 152 Comment
  HSC16013  Sidalcea malachroides E. W. Styskel 1963-5-16 29 Humboldt 3 mi. SE of Korbel, Snow Camp Rd. 290 Comment
  SDSU8182  Sidalcea malachroides D. F. Howe 1969-6-4 4626 Humboldt 14.5 miles east of Alton on #36 91 Comment
  UC1197963  Sidalcea malachroides Joseph P. Tracy 1936-8-1 15061 Humboldt 6 mi se Korbel (Canyon Creek); , se of Korbel 304 Comment
  UC18699  Sidalcea malachroides J. Burtt Davy 1899-6-13 5482 Humboldt Englewood Prairie North Coast Ranges, Englewood Prairie Comment
  UC668135  Sidalcea malachroides Joseph P. Tracy 1938-6-7 15860 Humboldt 5 mi se Korbel; Canyon Creek 152 Comment
  HSC81675  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1980-7-13 6057 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  UC1299199  Sidalcea malviflora subsp. patula Freed W. Hoffman 1946-5-20 963 Humboldt near Capetown; near Capetown Comment
  CAS-BOT-BC213158  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-7-25 5344 Humboldt Dow's Prairie 60 Comment
  HSC99563  Sidalcea oregana subsp. eximia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 228 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS67278  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-8-22 15671 Humboldt 2 mi s Field's Landing (at Still Ranch); s of Field's Landing, Still Ranch 6 Comment
  CDA36500  Sidalcea oregana subsp. hydrophila T. C. Fuller 1958-6-17 598 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC41202  Silene bernardina Thomas W. Nelson, Jane P. Nelson 1977-7-4 3602 Humboldt Along old trail above Alder Springs 1555 Comment
  RSA12455  Silene californica C. B. Wolf 1934-6-30 5838 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  CAS-BOT-BC174880  Silene campanulata subsp. glandulosa Joseph P. Tracy 1930-7-18 9032 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  CAS-BOT-BC384424  Silene coronaria Philip A. Munz 1952-6-27 17799 Humboldt Boise Creek Public Camp west of Willow Creek 365 Comment
  HSC57065  Silene douglasii Overton, Butler 1979-7-24 9735 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  HSC61770  Silene gallica Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  HSC31197  Silene grayi D. E. Anderson 1972-6-20 5755 Humboldt Along the N slope of Horse Mtn. Comment
  HSC103098  Silene hookeri M. Mesler, Carol Wilson 2010-6-18 825 Humboldt Hwy 36, near mile marker 32.53 771 Comment
  UC659353  Silene hookeri Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2612 Humboldt near Eureka; McClellan Mountain, near Eureka 822 Comment
  CAS-BOT-BC181229  Silene hookeri subsp. bolanderi H. E. Parks; J. P. Tracy 1930-5-25 0791 Humboldt Laribee Valley 792 Comment
  CAS-BOT-BC181248  Silene hookeri subsp. hookeri Dean William Taylor 1971-5-12 1064 Humboldt At the junction of the Trinity and New Rivers 304 Comment
  HSC4171  Silene laciniata subsp. californica D. E. Anderson 1961-9-2 1768 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  UC1198791  Sisymbrium altissimum Joseph P. Tracy 1929-8-18 8660 Humboldt on Van Duzen River, Dinsmore's Ranch, opposite Buck Mountain Van Duzen River; Northern Coast Ranges, , Dinsmore's Ranch 670 Comment
  HSC13915  Sisyrinchium bellum F. B. Plett 1963-3-31 14 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  RSA366962  Sisyrinchium bellum Bonnie C. Templeton 1964-6-13 10183 Humboldt Near old Highway 101 to Trinidad Comment
  HSC13933  Sisyrinchium californicum D. E. Anderson 1961-9-9 1798 Humboldt Big Lagoon County Park Comment
  RSA245276  Sisyrinchium californicum Brad W. Klipfel 1973-8-17 271 Humboldt Big Lagoon Park, north of Trinidad Comment
  UC667000 Image available Sisyrinchium hitchcockii Joseph P. Tracy 1938-6-17 15947 Humboldt 3 mi e of Cape Mendocino; Cape Ridge 304 Comment
  UC1134655  Smilacina racemosa R. Stahelin 1933-5-15 L.H. 23 Humboldt Freshwater Eureka Quadrangle (T.P.L. Co.) Comment
  UC1196155  Solanum umbelliferum Joseph P. Tracy 1937-7-24 15529 Humboldt 2 mi se of Devil's Hole (Trinity Summit); Trinity Summit 1584 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
  POM280569  Solanum umbelliferum Lyman D. Benson 1928-7-12 463 Humboldt Weott Ranger Station. 61 Comment
  RSA167400  Solidago canadensis subsp. elongata Joseph P. Tracy 1948-9-12 18210 Humboldt Trinity Summit, at head of meadow at Box Camp. 1463 Comment
  HSC102577  Solidago elongata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1564 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  LA203957  Solidago elongata H. E. Parks; July 1931 - August 1931 1056 Humboldt Trinidad 76 Comment
  CAS-BOT-BC365435  Solidago elongata Doris K. Kildale 1925-8-8 2459 Humboldt Mouth of Bull Creek Comment
  CHSC109579  Solidago spathulata B. Castro; L. P. Janeway 2004-9-10 1474 Humboldt North Coast. South Spit of Humboldt Bay, 2.2 mi NNE of Table Bluff Lighthouse site: on other side of South Spit Road from the Humboldt Bay mudflats. 2 Comment
  UC1199319  Solidago spathulata J. P. Tracy 1900-7-4 885 Humboldt opposite Eureka (Samoa); Samoa Comment
  CAS-BOT-BC364967  Solidago velutina subsp. californica Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Camp Creek, Klamath River Canyon Comment
  CAS-BOT-BC364970  Solidago velutina subsp. californica Carl B. Wolf 1927-8-29 1198 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge, Mt. Glen Comment
  CAS-BOT-BC365811  Soliva sessilis L. R. Abrams 1918-6-12 7080 Humboldt In street, Eureka Comment
  HSC6219  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  CAS-BOT-BC374429  Sonchus asper Huron H. Smith 1911-1-1 3785 Humboldt Unspecified Comment
  BLMAR314  Sparganium emersum Jennifer Anthony-Wheeler 2002-8-9 314 Humboldt Lost Coast Headland, growing along edge of middle pond 121 Comment
  UC672884  Sparganium emersum var. emersum Joseph P. Tracy 1934-7-30 13507 Humboldt in front of s end Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  SEINET3825670  Sparganium eurycarpum Unknown 1912-8-20 2987 Humboldt Lower eal River Valley Comment
  UC249860  Spartina densiflora Joseph P. Tracy 1924-8-4 6738 Humboldt Eureka Northern Coast Ranges (salt marsh at railroad station) 0 Comment
  HSC77898  Spergula arvensis R. D. Modafferi 1965-3-14 8 Humboldt 1.3 mi. S of Trinidad on old Hwy. 101 305 Comment
  HSC26466  Spergularia macrotheca T. O. Osborne 1970-4-8 23 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  HSC90396  Spergularia macrotheca Jean Hanson 1980-8-28 118 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. Across from the Guard Station. Comment
  HSC58037  Spergularia rubra G. L. Clifton 1979-7-31 11877 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  POM160286  Spiraea densiflora Joseph P. Tracy 1926-6-20 7630 Humboldt Horse Mountain. 1463 Comment
  CAS-BOT-BC149614  Spiraea douglasii Alice Eastwood 1923-8-14 12323 Humboldt Samoa Comment
  HSC19751  Spiraea douglasii Paul Shields 1955-10-7 Humboldt Essex Pond, near Fieldbrook Comment
  UC1281052  Spiraea douglasii H. E. McMinn Jul 1922 289 Humboldt n of Scotia Comment
  UC194896  Spiranthes porrifolia Joseph P. Tracy 1916-6-19 4721 Humboldt Dobbyn Creek Northern Coast Ranges (swampy ground around a pond) 182 Comment
  UC666992  Spiranthes porrifolia Joseph P. Tracy 1937-8-15 15667 Humboldt 15 mi e Orick (Bald Hills); Bald Hills 914 Comment
  HSC35344  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1975-8-22 643 Humboldt N of College Cove, Trinidad State Beach Park Comment
  RSA134646  Stachys ajugoides Harlan Lewis 1940-7-3 s.n. Humboldt Humboldt County: Little River Beach State Park Comment
  SEINET5196066  Stachys ajugoides Unknown 2002-8-22 87 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  CHSC802  Stachys ajugoides var. rigida 1929-5-6 Humboldt Comment
  JEPS63065  Stachys ajugoides var. rigida W. L. Jepson 1932-7-26 16418 Humboldt Bull Creek 106 Comment
  JEPS63027  Stachys ajugoides var. rigida Milo S. Baker 1923-7-16 18 Humboldt 4 mi se Eureka Comment
  UC668221  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16132 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  UCLA71143  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16132 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  RSA26844  Stachys chamissonis I. L. Wiggins 1940-7-10 9489 Humboldt Table Bluff Comment
  UC725501  Stachys chamissonis A. A. Heller 1923-7-9 13786 Humboldt between Eureka and Fortuna Comment
  RSA32867  Stachys rigida subsp. quercetorum A. A. Heller 1923-7-8 s.n. Humboldt Near Pepperwood Comment
  UC668078  Stellaria borealis subsp. sitchana Joseph P. Tracy 1935-5-24 13817 Humboldt Eureka 91 Comment
  HSC58104  Stellaria crispa G. L. Clifton, Griswold 1979-8-1 12039 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC1116227  Stellaria crispa Joseph P. Tracy 1943-3-21 17411 Humboldt Scotia 30 Comment
  UC161059  Stellaria crispa Joseph P. Tracy 1901-4-26 1048 Humboldt Humboldt Hill Northern Coast Region, Humboldt Bay Region (Humboldt Bay Region) 0 Comment
  UC183560  Stellaria nitens Joseph P. Tracy 1913-5-4 4045 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC668077  Stellaria obtusa Joseph P. Tracy 1935-7-23 14161 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  HSC73477  Stipa lemmonii Gail Newton 1980-7-11 1337 Humboldt Near Red Mtn. 1341 Comment
  HSC102188  Stipa nelsonii var. dorei M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1102 Humboldt Andy's Camp 1564 Comment
  HSC40560  Stipa occidentalis var. californica Thomas W. Nelson, Jane P. Nelson 1976-7-1 2927 Humboldt Along ridge W of Lassic Peak (Signal Peak). 1738 Comment
  HSC73047  Stipa occidentalis var. californica M. A. Baker 1980-7-15 2943 Humboldt Near Whiting Ridge. 1341 Comment
  HSC65856  Streptanthus tortuosus Gail Newton 1980-6-28 687 Humboldt Near Mad River Butte. 1536 Comment
  HSC70349  Streptanthus tortuosus M. A. Baker 1980-6-7 1812 Humboldt Near Brush Mtn. 1128 Comment
  UCD116417  Streptanthus tortuosus Richard Spellenberg 1965-6-14 1130 Humboldt south of airport, about 5 miles east of Kneeland. Comment
  UC302044  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1926-6-6 7554 Humboldt on road w from Hoopa to Bair's near summit; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC58025  Streptopus amplexifolius G. L. Clifton 1979-7-31 11833 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC102587  Streptopus amplexifolius var. americanus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1574 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1103496  Streptopus amplexifolius var. americanus Joseph P. Tracy 1949-6-25 18346 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC48390  Swertia radiata Brad Klipfel 1973-6-10 114 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS46345  Swertia radiata Joseph P. Tracy 1917-9-2 4851 Humboldt Grouse Mt. Northern Coast Ranges 1524 Comment
  HSC102040  Symphoricarpos mollis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 943 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  HSC39627  Symphoricarpos mollis Thomas W. Nelson, Jane P. Nelson 1976-6-15 2732 Humboldt Along S end of old trail from lookout to Blocksburg. 1585 Comment
  HSC76249  Symphoricarpos mollis Denis Kearns 1981-7-23 414 Humboldt Near Whiteys Peak. 1524 Comment
  HSC99468  Symphoricarpos mollis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 122 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC99167  Symphyotrichum chilense L. R. Abrams 1927-9-1 12063 Humboldt unspecified Comment
  UC1222982  Symphyotrichum hendersonii Joseph P. Tracy 1941-8-24 17040 Humboldt near McKay camp; South Fork Mountain 1676 Comment
  UC153938  Symphyotrichum subspicatum Joseph P. Tracy 1910-10-8 3170 Humboldt Brainard's Point Northern Coast Ranges, Humboldt Bay 0 Comment
  UCD120749  Symphytum uplandicum T. C. Fuller 1961-9-28 7047 Humboldt Iverson prop., Arcata Bottoms, 0.5 mi. s. of the Mad River, 0.75 mi. w. of Hwy 101, 2 mi. n. of Arcata. Comment
  UC1541367  Synthyris reniformis Harold E. Parks March 1934 4831 Humboldt Spruce Cove; Trinidad Comment
  UC1222775  Synthyris reniformis Joseph P. Tracy 1950-8-4 19263 Humboldt Grasshopper peak, head of Canoe Creek (in Bull Creek State Park); Bull Creek State Park Comment
  UCD86204  Taeniatherum caput-medusae Eugene C. Whitney 1960-8-4 Humboldt Mary White prop., Fruit Ranch, E/Rainbow Peak, Upper Bear River. Comment
  CAS-BOT-BC376734  Tanacetum bipinnatum David D. Keck; J. Clausen 1935-6-16 3388 Humboldt Mouth of Little River Comment
  HSC38341  Tanacetum bipinnatum Peter Sorensen 1976-6-14 Humboldt N Spit of Humboldt Bay, S of Samoa Comment
  HSC6244  Tanacetum bipinnatum Paul Shields 1955-9-17 Humboldt 1/2 mi. S of mouth of Mad River Comment
  UC1302426  Tanacetum camphoratum Philip A. Munz 1963-6-13 24524 Humboldt Samoa Comment
  SBBG65851  Tanacetum vulgare L. Rowntree -Jul-1931 Humboldt near Ferndale Comment
  HSC1597  Taxus brevifolia Francis Winter 1960-5-7 Humboldt Pine Ridge Summit, Hoopa Indian Reservation 671 Comment
  HSC98504  Taxus brevifolia Cara Witte 2008-8-6 1000 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  LA5974  Taxus brevifolia L. Miller; 1934-8-25 Humboldt Carlotta, Van Duzen River Comment
  POM319589  Taxus brevifolia Patricia Wilder 1968-8-22 4429 Humboldt Bull Creek Flat, Humboldt Redwood State Park, north of Weott and west of U. S. 101. Coast Mountain range, south fork of Eel River. 61 Comment
  UC1198263  Taxus brevifolia Joseph P. Tracy 1908-6 2925 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC46040  Tellima grandiflora Catherine Chin 1978-5-5 50 Humboldt 5.1 mi. from Ferndale on Mattole Rd. Comment
  HSC45015  Tellima grandiflora R. Sutherland 1978-4-25 5 .25478 Humboldt Mouth of Buck Creek near ocean 18 Comment
  JEPS49695  Tellima grandiflora Harley P. Chandler May 1901 1232 Humboldt Humboldt Bay; North Coast Range 121 Comment
  CAS-BOT-BC392287  Thalictrum fendleri Doris K. Kildale 1926-4-4 1749 Humboldt Trinidad Comment
  HSC1186  Thelypteris nevadensis J. P. Tracy 1937-7-25 15556 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  HSC101049  Thermopsis robusta Lisa Hoover 1996-5-29 132 Humboldt Red Cap drainage 293 Comment
  UC1222645  Thlaspi californicum Joseph P. Tracy 1951-5-20 19405 Humboldt at serpentine rockpile toward Ashfield Butte Kneeland Prairie; , toward Ashfield Butte 762 Comment
  CAS-BOT-BC81318  Thuja plicata Carl B. Wolf 1927-8-29 1192 Humboldt 7 mi. S. of Ferndale and Capetown, Bear River Ridge--Mt. Glen Comment
  HSC1299  Thuja plicata Francis Winter 1960-5-6 Humboldt 1.0 mi. W of Blue Lake, Hwy. 299 Comment
  UCD170787  Thuja plicata Gordon Leppig 1998-3-15 718 Humboldt Quarry Rd. off Jacoby Creek. 97 Comment
  HSC45087  Thysanocarpus curvipes R. Sutherland 1978-4-23 28 .23478 Humboldt 640 Comment
  CAS-BOT-BC436911  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt Immediate vicinity of Eureka 152 Comment
  UC11935  Tiarella trifoliata var. unifoliata J. Burtt Davy 1899-6-13 5513 Humboldt Redwoods near Camp Grant (along the Eel River); along the Eel River Comment
  UC303041  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1926-6-27 7664 Humboldt Horse Mountain 1463 Comment
  UCD93214  Torreyochloa pallida var. pauciflora A. H. Murphy 1951-8-17 88 Humboldt South Fork Mtn., ca. 15 miles N.E. of Bridgeville-Trinity County line. Comment
  JEPS63934  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 a Humboldt S. Fork Trinity R., Martin's Ranch Comment
  UC668182  Toxicodendron diversilobum Joseph P. Tracy 1937-5-30 15301 Humboldt 5 mi. n. Blocksburg (Larrabee Creek); Larrabee Creek 365 Comment
  UC549767 Image available Tracyina rostrata Joseph P. Tracy 1916-6-20 4735 Humboldt Alder Point, from Alder Point to Dyke Ranch Northern Coast Ranges, Alder Point; Alder Pt., Humboldt Co. 304 Comment
  HSC99835  Triantha occidentalis subsp. occidentalis T. Jimerson, J. Pageau 1979-8-10 728 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  SEINET8999606 Image available Trichostema lanceolatum Unknown 1934-8-19 13595 Humboldt TRINITY RIVER VALLEY, at Willow Creek 152 Comment
  HSC14449  Trichostema lanceolatum D. E. Anderson 1963-10-6 2878 Humboldt Mad River bed, across from Essex Junction. Comment
  UC1239719  Trichostema laxum Joseph P. Tracy 1933-11-26 13123 Humboldt Kneeland Prairie Comment
  UC1561370  Trientalis latifolia Barbara Ertter with Thomas J. Delendick 1987-5-16 6942 Humboldt 3 mi e of Berry Summit (on Hwy 299, 20 air mi e of Arcata, on s side of road above Willow Creek); Hwy 299 243 Comment
  UC1223381  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1933-5-20 12234 Humboldt s the point (mouth of Domingo Creek); Cape Mendocino Comment
  UC1223511  Trifolium barbigerum J. P. Tracy 1942-5-16 17332 Humboldt vicinity Garberville 152 Comment
  RSA168906  Trifolium barbigerum Joseph P. Tracy 1948-6-13 18039 Humboldt Along Larabee Creek, 7 miles northwest of Blocksburg and where the road comes near trhe creek, halfway between Bridgeville and Blocksburg. Comment
  UC160939  Trifolium bifidum var. decipiens Joseph P. Tracy 1908-6 2780 Humboldt nw slope Buck Mtn; Northern Coast Ranges 91 Comment
  UC1197050  Trifolium campestre Joseph P. Tracy 1905-7-1 2203 Humboldt immediate vicinity Eureka 0 Comment
  RSA249399  Trifolium cyathiferum D. E. Anderson, Thomas Nelson, S. Dowty 1972-6-17 5705 Humboldt McKeown Ranch north of Dinsmore Comment
  UC1103442  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1916-4-30 4684 Humboldt Bucksport Northern Coast Ranges, Eureka 60 Comment
  HSC45172  Trifolium dichotomum R. Sutherland 1978-4-23 32 .23478 Humboldt Kinsey Ridge 640 Comment
  POM19412  Trifolium dubium L. R. Abrams 6099 Humboldt Arcata to Trinidad Comment
  HSC40039  Trifolium eriocephalum Thomas W. Nelson, James Nelson 1976-7-1 2890 Humboldt Ridge N of Bear Creek 1494 Comment
  HSC58555  Trifolium eriocephalum Overton, Butler 1979-7-26 10042 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  SEINET6934966  Trifolium eriocephalum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC495648  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-21 8769 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC162814  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1908-6 2759 Humboldt opposite Buck Mtn; Valley of Van Duzen River 762 Comment
  UCD108947  Trifolium fragiferum B. A. Madson 1940-8-7 s.n. Humboldt Humboldt County. Comment
  HSC2113  Trifolium fucatum C. B. Wolf 1927-8-30 1236 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC303192  Trifolium fucatum Joseph P. Tracy 1923-5-13 6203 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  POM214890  Trifolium gracilentum Joseph P. Tracy 1932-5-22 10124 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  UC1197196  Trifolium gracilentum Joseph P. Tracy 1901-5-18 1096 Humboldt Ocean Beach Northern Coast Ranges, Humboldt Bay Comment
  UC573520  Trifolium hybridum H. S. Yates 1936-6-18 5724 Humboldt 2 mi s of mouth of Littler River Eureka quad 3 Comment
  RSA168859  Trifolium hybridum Joseph P. Tracy 1938-6-15 15926 Humboldt Salmon Creek Flats, south end Humboldt Bay. Comment
  HSC100535  Trifolium involucratum Carl C. Marshall Jun 1885 117 Humboldt Near the bay anywhere. Comment
  HSC40872  Trifolium longipes Thomas W. Nelson 1976-7-9 3011 Humboldt S of Mt. Lassic (Signal Peak) 1707 Comment
  HSC102540  Trifolium longipes subsp. elmeri M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1526 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC99351  Trifolium longipes subsp. hansenii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 197 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  UC1223359  Trifolium macraei Joseph P. Tracy 1950-6-8 18729 Humboldt Bear River Ridge 609 Comment
  SEINET12157250  Trifolium macraei J. P. Tracy 1936-1 14841 Humboldt Samoa Sand Dunes Comment
  HSC71451  Trifolium microcephalum J. P. Smith 1973-5-26 6870 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC45141  Trifolium microcephalum R. Sutherland 1978-5-16 5 .16578 Humboldt 157 Comment
  UC160906  Trifolium microcephalum Joseph P. Tracy 1910-6-5 3144 Humboldt Ocean Beach Northern Coast Ranges, Humboldt Bay Comment
  UC1223364  Trifolium microdon Joseph P. Tracy 1950-6-8 18731 Humboldt Bear River ridge 609 Comment
  SEINET12157235  Trifolium microdon J. P. Tracy 1936-1 14840 Humboldt nr Samoa, on Humboldt Bay 6 Comment
  UC495684  Trifolium obtusiflorum Joseph P. Tracy 1932-5-22 10119 Humboldt between Miranda and Redway (South Fork of Eel River); Northern Coast Ranges 91 Comment
  HSC59678  Trifolium pratense George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 6 Comment
  SEINET12170512  Trifolium pratense C. S. Kaut 2000-1 1 Humboldt Trinidad Comment
  HSC95537  Trifolium repens Andrea Pickart 2002-5-24 108 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  POM214883  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-22 10123 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  JEPS4173  Trifolium willdenovii Joseph P. Tracy 1932-5-1 9866 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  HSC103851  Trifolium wormskioldii G. D. Barbe, T. C. Fuller 1974-6-17 1851 Humboldt Crescent City; Pebble Beach Rd., south of Airport and Washington Blvd. Comment
  RSA167422  Trifolium wormskioldii Joseph P. Tracy 1938-6-12 16056 Humboldt Fields Landing. Moist flats along edges of foothills, 2 miles south of town. 6 Comment
  HSC36302  Triglochin maritima Camille Cornish 1973-10-16 9 Humboldt On shore of Big Lagoon Comment
  CAS-BOT-BC520052  Trillium albidum R. F. Freeman; J. D. Freeman 1967-5-7 581 Humboldt Humboldt County Comment
  CAS-BOT-BC520054  Trillium albidum Doris K. Kildale 1930-5-11 9542 Humboldt The Bald Hills Comment
  CHSC2320  Trillium ovatum 1933-4-15 Humboldt Comment
  HSC58083  Trillium ovatum G. L. Clifton, Griswold 1979-8-1 11987 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  RSA183586  Trillium ovatum R. D. Zortman 1963-3-16 14 Humboldt 5 miles northeast of Arcata; south of the Mad River, off Warren Creek Road. 91 Comment
  RSA378216  Trillium ovatum Jane Turner, Francis M. Ball 1962-7-10 1140 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  CAS-BOT-BC133392  Trillium ovatum R. N. Raynor 1934-4-1 s.n. Humboldt Above Fort Seward Comment
  HSC15692  Trillium ovatum W. D. Stevens 1964-3-21 1 Humboldt 1.0 mi. E of Hwy. 299 on Lindsay Rd. Comment
  HSC15702  Trillium ovatum K. P. St. John 1965-4-24 42 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad 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
  UC1197829  Trillium ovatum Joseph P. Tracy 1918-4-21 4883 Humboldt near Newell's old camp, on old Kneeland Prairie rd. Newell's old camp; Northern Coast Ranges, around Humboldt Bay 304 Comment
  CAS-BOT-BC521313  Trillium rivale Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1524 Comment
  UC198870  Triodanis biflora Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  RSA298972  Triodanis biflora Lincoln Constance 1934-6-4 818 Humboldt Look Prairie, and Bull Creek road, to Dyerville, South Fork Eel River. Comment
  SEINET10459889  Triodanis perfoliata Tracy TRACY 10154 Humboldt WILLOW CREEK Comment
  HSC20844  Triphysaria eriantha subsp. eriantha L. D. Thurman 1965-4-8 626 Humboldt 4.4 mi. S of Samoa Comment
  HSC90809  Triphysaria eriantha subsp. eriantha Gail Newton 1982-5-1 2487 Humboldt Eureka, Elk River Wildlife Area Comment
  JEPS26220  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1917-5-30 4805 Humboldt Little River Beach Northern Coast Ranges, Little River Beach (sand dunes) 6 Comment
  UC1222798  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1950-6-18 18765 Humboldt 1 mi w Petrolia (hills between town and Ocean); hills between Petrolia and Ocean Comment
  UC902254  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1941-4-2 16805 Humboldt near Samoa (on Humboldt Bay, Sand Dunes); on Humboldt Bay 6 Comment
  CHSC68505  Triphysaria pusilla Vernon H. Oswald 1997-4-10 8333 Humboldt Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  UC176946  Triphysaria pusilla Joseph P. Tracy 1913-6-18 4196 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1222443  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1935-5-25 13851 Humboldt Fort Seward 106 Comment
  UC27193  Triphysaria versicolor subsp. versicolor Harley P. Chandler May, 1901 1101 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  RSA10082  Trisetum canescens Joseph P. Tracy 1932-7-16 10614 Humboldt Trinity Summit 1524 Comment
  UC1146668  Trisetum canescens Freed W. Hoffman 1949-7-15 3012 Humboldt e slope Mule Slide (Mt. Lassic area, a little s of Blue Ridge); North Coast Ranges, Mt. Lassic area Comment
  UCD93605  Trisetum canescens A. H. Murphy 1947-5-12 s.n. Humboldt Roadside near Carlotta. Comment
  HSC13417  Trisetum cernuum D. J. Wilder 1965-5-15 35 Humboldt 2 mi. E of Freshwater on Road to Kneeland Comment
  HSC13418  Trisetum cernuum T. L. Ackerman 1964-5-14 47 Humboldt Near E end of 17th St., Arcata. Comment
  HSC13423  Trisetum cernuum T. F. Newman 1966-5-1 6645 Humboldt H.S.U Campus Comment
  UCD93905  Trisetum cernuum A. H. Murphy 1951-5-15 37 Humboldt Toston Ranch, 3 miles west of Miranda. Comment
  SEINET11682986  Trisetum cernuum K. S. Erdman 1970-1 4814 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek SP in Redwood National Park Comment
  UC187230  Trisetum flavescens J. P. Tracy 1911-7-12 3527 Humboldt Blue Lake 60 Comment
  UC15030  Triteleia bridgesii Mrs. M. H. Manning 1901-5-22 1 Humboldt Hupa Valley Comment
  SJSU911  Triteleia bridgesii J. W. Tilden 1946-6-20 1018 Humboldt Bluff Creek c. 1.5 mi above junction with Klamath River Comment
  RSA183018  Triteleia hyacinthina Lee W. Lenz 1966-5-24 24659 Humboldt W of Berry Summit, US 299. Comment
  UC666915  Triteleia hyacinthina Joseph P. Tracy 1930-7-6 8843 Humboldt in moist places Kneeland Prairie Comment
  HSC38090  Triteleia laxa Thomas W. Nelson, James Nelson 1976-5-30 2611 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC175817  Triteleia laxa Joseph P. Tracy 1912-6-30 3711 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS557  Triteleia laxa Joseph P. Tracy 1938-7-5 16001 Humboldt 5 mi e Carlotta (by old Strong's District School House) 45 Comment
  UC144101  Triteleia laxa Joseph P. Tracy 1909-7-31 3035 Humboldt Knneland Prairie Northern Coast Ranges 762 Comment
  UC422834  Triteleia laxa P. E. Goddard 1907-5-29 b. 110 Humboldt Van Duzen Comment
  RSA134598  Tsuga heterophylla P. C. Everett, E. K. Balls 1959-10-25 23963 Humboldt 22 miles west from Willow Creek along US Highway 299 to Arcata. 579 Comment
  UCD108651  Ulex europaeus E. N. Gladish 1957-8-12 49 Humboldt Five miles southeast of Maple Creek. Comment
  POM272289  Umbellularia californica Lyman Benson 1929-7-16 1845 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA46914  Umbellularia californica Doris K. Kildale 1925-12-27 1447 Humboldt Kneeland. 762 Comment
  HSC40006  Urtica dioica subsp. gracilis Linda M. Barker 1976-9-3 1696 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. 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
  HSC39935  Vaccinium cespitosum J. O. Sawyer 1970-6-24 2285 Humboldt Near Waterdog Lakes 1860 Comment
  HSC55151  Vaccinium cespitosum G. L. Clifton, Griswold 1979-8-1 12091 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC99395  Vaccinium membranaceum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 44 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1197787  Vaccinium membranaceum Joseph P. Tracy 1934-8-29 13625 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC199309  Vaccinium ovatum L. R. Abrams 1916-7-11 5992 Humboldt Between Balocksberg [Blocksburg] and Bridgeville Comment
  HSC40255  Vaccinium ovatum Linda M. Barker 1976-4-30 1423 Humboldt 3 mi. W of Arcata Comment
  HSC7908  Vaccinium ovatum J. Pursell 1964-10-17 10178 Humboldt Road to Box Camp in Hoopa Valley 762 Comment
  HSC7924  Vaccinium parvifolium P. Markle 1962-5-3 18 Humboldt Arcata Community behind HSU campus 30 Comment
  UC1197777  Vaccinium parvifolium Joseph P. Tracy 1925-2-15 6937 Humboldt Eureka Northern Coast Ranges 0 Comment
  CHSC114203  Vaccinium parvifolium Loren Gehrung 1998-7-30 159 Humboldt Patricks Point State Park. Comment
  JEPS9387  Valeriana sitchensis subsp. sitchensis Joseph P. Tracy 1930-7-17 8991 Humboldt South Fork Mountain at Mckay Camp South Fork Mountain 1676 Comment
  UC1537345  Vancouveria hexandra Gordon H. True Jr. 1936-5-12 470 Humboldt 5 mi s Kneeland; s of Kneeland 457 Comment
  HSC12212  Vancouveria hexandra Gary J. Stebbins 1970-5-17 82 Humboldt Along Jolly Giant Creek up from HSU dorm parking lot 1.1 mi. 70 Comment
  HSC28044  Vancouveria hexandra Chris Gist 1971-6-19 6 Humboldt Jolly Giant Canyon, HSU, Arcata Comment
  HSC37714  Vancouveria hexandra J. D. Ackerman, A. M. Montalvo 1974-7-17 375 Humboldt Redwood Grove, E of Van Duzen Co. Park, off Hwy. 36, E of Carlotta 61 Comment
  JEPS33034  Vancouveria hexandra Milo S. Baker 1923-7-16 19 Humboldt 3 mi se Eureka Comment
  SBBG46472  Vancouveria planipetala K. K. Muller 1954-6-21 635 Humboldt Olson Crk, 2 mi ENE of Mad River Comment
  UCR52470  Vancouveria planipetala J. O. Sawyer, R. J. Cole 1977-7-3 3003 Humboldt Environs of Mud Sprng. Big Hill Road (F.S. 8N01) 1246 Comment
  CAS-BOT-BC527423  Veratrum californicum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Garlotta Humboldt Comment
  HSC44518  Veratrum californicum var. californicum Brad Klipfel 1973-7-1 126 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC70501  Veratrum insolitum Gail Newton 1980-7-20 1617 Humboldt Near Bell Swamps 1426 Comment
  JEPS80003  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  UC1198210  Veratrum insolitum Joseph P. Tracy 1947-7-5 17820 Humboldt in open prairie Trinity Summit 1524 Comment
  HSC21173  Verbascum thapsus H. D. Sumner 1959-7-13 Humboldt Redwood Creek near Hwy. 299 305 Comment
  HSC21738  Verbena lasiostachys D. E. Anderson 1963-5-25 2499 Humboldt 4 mi. E of Petrolia. Comment
  HSC21737  Verbena lasiostachys D. E. Anderson 1963-10-6 2880 Humboldt Mad River bed, across from Essex Junction. Comment
  CDA40702  Verbena lasiostachys var. lasiostachys B. F. Kemp 1958-7-5 835 -58 Humboldt Knight Ranch, 4 miles north of Willow Creek. 0 Comment
  HSC21189  Veronica americana Paul Shields 1955-6-16 Humboldt Humboldt State campus Comment
  HSC77338  Veronica americana L. P. Janeway 1983-4-30 238 Humboldt SE bank of creek along SW entrance to HSU campus 21 Comment
  RSA245265  Veronica americana John R. Keith 1973-5-15 s.n. Humboldt Approximately 200 yards east of jct of Guintoli Ln. and West End Road. Comment
  BLMAR419  Veronica scutellata Jennifer Wheeler 2007-8-24 419 Humboldt South Spit, east side of road Comment
  UC147903  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1900-5-22 797 Humboldt immediate vicinity of Eureka 0 Comment
  UC1197478  Vicia americana var. americana Joseph P. Tracy 1939-4-18 16216 Humboldt between Miranda and Redway (South Fork of Eel River); North Coast Ranges, South Fork of Eel River 91 Comment
  HSC15266  Vicia gigantea S. R. Johnson 1965-3-28 21 Humboldt 1.5 mi. N of Luffenholtz Beach 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
  HSC3232  Vinca major S. J. Hawks 1965-4-6 85 Humboldt Luffenholtz Beach Comment
  CAS-BOT-BC263941  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC21770  Viola adunca J. F. Knezevich 1968-5-14 443 Humboldt 11 mi. S of Ferndale on the road to Cape Mendocino 305 Comment
  HSC31741  Viola adunca Donald Spalinger 1974-5-12 58 Humboldt Williams Ridge Rd., 1 mi. N from junction with Bald Hills Rd. 732 Comment
  HSC36881  Viola adunca J. P. Smith, J. O. Sawyer, J. Cole 1976-4-18 8611 Humboldt Bald Hills Rd., 13 mi. from its junction with U.S. 101 Comment
  UC1761620  Viola adunca J. P. Tracy 1901-6-23 1168 Humboldt Eureka Comment
  HSC44358  Viola glabella Brad Klipfel 1974-5-27 398 Humboldt Horse Mtn. Comment
  HSC64215  Viola glabella J. O. Sawyer, M. A. Ericksen 1979-6-23 3386 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC164832  Viola glabella Joseph P. Tracy 1910-4-17 3118 Humboldt near forks of Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay 0 Comment
  HSC21783  Viola glabella Francis Winter 1960-4-23 Humboldt Simpson Creek, Korbel-Maple Creek Rd. 244 Comment
  CHSC97987  Viola hallii J. Breton; A. Livingston 2005-6-10 9 Humboldt Coldspring Camp, 7.4 mi. south of Hwy 299 on NF1. 1357 Comment
  UC275485  Viola hallii Joseph P. Tracy 1925-5-30 7034 Humboldt Laribee Valley; Northern Coast Ranges 701 Comment
  HSC44774  Viola hallii Thomas W. Nelson, Jane Nelson 1977-6-19 3498 Humboldt Along the old trail above Alder Springs 1555 Comment
  UC1198452  Viola hallii Eleanor Ethel Tracy 1907-5-1 Humboldt near top of Lawrence Creek Hill; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC530124  Viola lobata subsp. integrifolia Doris Kildale 1931-5-10 10577 Humboldt Snow Camp Comment
  UCD110697  Viola ocellata R. N. Raynor 1935-4-15 s.n. Humboldt Fort Seward. Comment
  SEINET200806 Image available Viola ocellata J. P. Tracy 1922-4-30 6034 Humboldt Tinity River Valley near Willow Creek 500 Comment
  RSA239691  Viola palustris Larry E. DeBuhr 1973-4-23 992 Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  JEPS50377  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1922-5-29 6067 Humboldt Northern Coast Ranges, Head of South Yager Creek South Yager Creek; Northern Coast Ranges, South Yager Creek 762 Comment
  POM222663  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt Near headwaters of South Fork of Yager Creek, about 2 mi W of Bridgeville-Kneeland Hwy, on road to Carlotta. Comment
  HSC71831  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson 1980-6-27 5959 Humboldt Saddle E of Mt. Lassic 1677 Comment
  HSC49693  Viola sempervirens J. O. Sawyer 1977-4-23 2842 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC70239  Viola sheltonii M. A. Baker 1980-6-8 1903 Humboldt Near Buck Flat. 1554 Comment
  JEPS50475  Viola sheltonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8910 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  SEINET200826 Image available Vitis californica Joseph P. Tracy 1912-1 3799 Humboldt Along South Fork of Eel River, 5 mi above its mouth. 30 Comment
  CAS-BOT-BC199802  Vulpia Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park 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
  UCD94613  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-6-17 14961 Humboldt Burr Valley. On northwest slope of Buck Mountain. Comment
  HSC70537  Vulpia myuros Gail Newton 1980-6-7 139 Humboldt Near Brush Mtn. 1128 Comment
  SEINET200325 Image available Vulpia myuros var. myuros J. P. Tracy 1900-1 858 Humboldt Eureka. Comment
  SEINET244937 Image available Vulpia myuros var. myuros J. P. Tracy 1914-1 4432 Humboldt Fort Seward. 122 Comment
  HSC42304  Whipplea modesta Tom Duebendorfer 1977-5-15 50 Humboldt 8.9 mi. E on Ward Rd. from junction of Maple Creek Rd. and Old Hwy. 299 610 Comment
  UC14483  Whipplea modesta Chesnut and Drew 1888-7-21 Humboldt Hy-Am-Pum Comment
  HSC70753  Woodwardia fimbriata R. York 1980-5-17 530 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC382923  Wyethia angustifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC32231  Wyethia angustifolia J. O. Sawyer 1970-6-24 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  UC582641  Wyethia angustifolia Joseph P. Tracy 1937-7-24 15524 Humboldt prairie in Devil's Hole; Trinity Summit 1676 Comment
  HSC93595  Wyethia longicaulis Gordon Leppig 1998-6-1 872 Humboldt Horse Mtn. Buck Flat, Titlow Hill Rd., at Ammon Ridge Rd. 1524 Comment
  CAS-BOT-BC527083  Xerophyllum tenax L. R. Abrams No date on lable. 7096 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  HSC8420  Zeltnera muehlenbergii Yarick 1960-8-5 Humboldt M&M, 7 mi. Krueger Creek 152 Comment



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