Search Results — 2000 specimen records retrieved (1375 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=HUMBOLDT; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC54029  Abies concolor Griswold, Butler 1979-7-12 7209 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  CAS-BOT-BC78025  Abies grandis Doris K. Kildale 1928-6-2 5303 Humboldt Bucksport - near Eureka Comment
  CAS-BOT-BC78052  Abies grandis Doris K. Kildale 1927-2-20 2964 Humboldt Korbel Hill at Angel's Ranch 304 Comment
  CDA19040  Abies grandis George Loughner 2000-10-6 PDR 023915 Humboldt North Coast Ranges; Ridge E of Blue Lake. 0 Comment
  HSC1343  Abies grandis Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  RSA0025872  Abronia umbellata M. B. Dunkle 1936-8-18 4821 Humboldt Moonstone Beach. Comment
  RSA202444  Acaena novae-zelandiae D. W. Cooper 1967-6-30 s.n. Humboldt Ridge just SE of Forest Service Nursery, 2 miles SE of Grannell and 4 miles E of Hwy 101 Comment
  UCD112493  Acaena novae-zelandiae D. W. Cooper 1966-10-10 s.n. Humboldt SE of Forest Service Nursey, ca. 2 miles SE of Crannell and ca. 4 miles E of US Highway 101. Comment
  HSC69577  Acer macrophyllum R. Kalal 1980-6-1 9 Humboldt S side of Essex Pond 15 Comment
  HSC79478  Acer macrophyllum Kenneth Clark 1980-3-27 563 Humboldt Upper alluvial terrace of Dead Man's Gulch 76 Comment
  HSC4576  Achillea millefolium S. J. Hawks 1965-5-14 63 Humboldt Clam Beach Comment
  UC1222918  Achillea millefolium Joseph P. Tracy 1941-8-24 17044 Humboldt near, McKay Camp; South Fork Mountain 1676 Comment
  UC166084  Achillea millefolium Joseph P. Tracy 1911-7-6 3357 Humboldt along road toward mouth of Willow Creek, mountain slopes Three Creeks; Northern Coast Ranges 762 Comment
  UC1445424 Image available Achlys californica Ichiro Fukuda and Herbert G. Baker 1963-8-23 Humboldt at Pesula road Humboldt Redwoods State Park 60 Comment
  HSC56973  Achlys triphylla Overton, Butler 1979-7-23 9506 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC61059  Achlys triphylla Jimerson, J. Pageau 1979-6-12 534 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  HSC100397  Achlys triphylla Carl C. Marshall Jun 1886 328 Humboldt Hills. Comment
  RSA21086  Achlys triphylla C. B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 mi. above Bridgeville on grade to Dinsmores. 457 Comment
  SEINET5585535 Image available Achnatherum lemmonii Joseph P. Tracy 1938-1 15968 Humboldt Panther Gap, on the road from Bull Creek to upper Mattole 823 Comment
  UC526754  Achnatherum lemmonii Joseph P. Tracy 1933-6-13 12597 Humboldt On road from Hoopa westward to Bair's (near summit); Hoopa Mountain 1066 Comment
  UC526667  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-17 10667 Humboldt ridges e Corral Prairie; Klamath Mountains 1828 Comment
  HSC98303  Acmispon micranthus D. R. Junell 1965-5-2 41 Humboldt 1 mi. S of Fairhaven on Samoa Peninsula Comment
  HSC45633  Acmispon micranthus Diane L. Reed 1978-4-22 13 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  CHSC35605  Acmispon parviflorus Jame P. Smith 1973-5-26 6837 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1196186  Actaea rubra Joseph P. Tracy 1901-7-31 1230 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC73574  Adenocaulon bicolor Gail Newton 1980-7-14 1511 Humboldt Near Deadman Ridge 1097 Comment
  JEPS33914  Adenocaulon bicolor Lincoln Constance 1934-5-29 734 Humboldt Upper Look Prairie, along South Fork Eel River South Fork Eel River 365 Comment
  UC1440273  Adiantum X tracyi L. L. Kiefer and D. Branscomb 1964-5-19 1406 Humboldt ca. 1 mi n Garberville (ravine above Hwy 101) 304 Comment
  UC249778 Image available Adiantum X tracyi Joseph P. Tracy 1924-9-16 6868 Humboldt <collector's garden> Eureka; Northern Coast Ranges 30 Comment
  CAS-BOT-BC62297  Adiantum aleuticum Volney Rattan 1882-6-1 s.n. Humboldt unspecified Comment
  HSC44330  Adiantum aleuticum Brad Klipfel 1975-6-17 679 Humboldt Horse Mtn. Comment
  UC62712  Adiantum aleuticum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5721 Humboldt Supply Creek Comment
  UCR123954  Adiantum aleuticum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6969 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
  HSC79503  Adiantum aleuticum Kenneth Clark 1980-6-14 691 Humboldt Shelter Cove, N fork of Dead Man's Gulch 84 Comment
  POM347034  Adiantum aleuticum Lyman Benson 1928-7-13 487 Humboldt Weatt Ranger Station 61 Comment
  UCSB29352  Adiantum aleuticum Phelps, M. 1972-3-22 Humboldt Throughout Telegraph Creek off Black Sands Road, Shelter Cove 45 Comment
  OBI1088  Adiantum capillus-veneris R. J. Rodin 1938-6-30 s.n. Humboldt Richardson Grove State Park (Redwoods) Comment
  HSC98763  Agastache urticifolia Cara Witte 2007-6-27 363 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/4 mile east of spring. 1583 Comment
  UC26061  Agastache urticifolia J. Burtt Davy 1899-6-12 Humboldt Elk Prairie; North Coast Ranges, Elk Prairie Comment
  RSA15581  Ageratina occidentalis Carl B. Wolf 1927-8-27 s.n. Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  UCD128632  Agoseris apargioides Linda M. Barker 1976-7-5 1643 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  CAS-BOT-BC29628  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1921-7-24 5859 Humboldt Kneeland Prairie 762 Comment
  UC166791  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1901-8-2 1245 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC582750  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1930-6-21 8768 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC1196558  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1935-7-14 14078 Humboldt top of ridge Grouse Mountain; North Coast Ranges 1524 Comment
  UC1222930  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19225 Humboldt 1 mi s, along roadside Friday's Camp; Grouse Mountain 1524 Comment
  UC1222931  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19233 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  HSC82039  Agoseris heterophylla Thomas W. Nelson, James Nelson 1980-6-10 5408 Humboldt Along Swayback Ridge 4-wheel drive road, 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  POM126127  Agoseris hirsuta Joseph P. Tracy 1923-6-20 6316 Humboldt White Thorn Valley 305 Comment
  UC1239509  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 1/2 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  UC249842  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 304 Comment
  HSC73664  Agoseris retrorsa M. A. Baker 1980-7-15 2967 Humboldt Near Whiting Ridge. 1341 Comment
  UC187295  Agrostis alba J. P. Tracy 1901-7-29 1227 Humboldt moist hillside immediate vicinity of Eureka 0 Comment
  BLMAR321  Agrostis densiflora Jennifer Anthony-Wheeler 2002-8-9 321 Humboldt Lost Coast Headland, Trail to Guthrie creek on west facing slope 60 Comment
  HSC8779  Agrostis densiflora D. E. Anderson 1965-9-5 4073 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  UC526894  Agrostis densiflora Joseph P. Tracy 1927-6-26 8216 Humboldt on bluffs facing ocean North Coast Ranges, Stone Lagoon 6 Comment
  CAS-BOT-BC127276  Agrostis exarata Joseph P. Tracy 1900-8-26 926 Humboldt Immediate vicinity of Eureka. 152 Comment
  CAS-BOT-BC127288  Agrostis exarata Joseph P. Tracy 1918-7-5 5016 Humboldt Northern Coast Ranges. White Thorn Valley. 304 Comment
  HSC39906  Agrostis exarata J. P. Smith, Steve Selva 1970-6-30 4129 Humboldt Comment
  HSC8785  Agrostis exarata D. E. Anderson 1961-8-25 1743 Humboldt Beach area 1.5 miles S of Trinidad. Comment
  JEPS75411  Agrostis exarata W. L. Jepson 1932-7-24 16380 Humboldt near Camp Grant; Eel River 91 Comment
  UC212878  Agrostis exarata Joseph P. Tracy 1919-9-18 5226 Humboldt Northern Coast Ranges, Trinity Summit 1889 Comment
  UC552751  Agrostis exarata Joseph P. Tracy 1934-7-2 13296 Humboldt Trinidad 3 Comment
  UCD52429  Agrostis exarata P. B. Kennedy 1923-8-3 s.n. Humboldt south of Scotia by road off highway. Comment
  CAS-BOT-BC139494  Agrostis hallii Doris K. Kildale 1927-6-25 3545 Humboldt Shelter Cove. Comment
  UC187117  Agrostis hallii Joseph P. Tracy 1908-6 2882 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC188841  Agrostis hallii Joseph Burtt Davy and Walter C. Blasdale 1899-5 5880 Humboldt Martins Ferry Comment
  UCD52704  Agrostis hallii Ray Evans 1956-7-19 s.n. Humboldt Bear River Ridge, 9 miles west of Ferndale. Comment
  SEINET10810391  Agrostis longiligula Joseph P. Tracy 1902-7-4 Tracy 1757 Humboldt 0 Comment
  RSA152377  Agrostis oregonensis Joseph P. Tracy 1941-8-24 17039 Humboldt South Fork Mountain. Near McKay camp. 1677 Comment
  UC526875  Agrostis oregonensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8995 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (wet meadow) 1676 Comment
  HSC99594  Agrostis stolonifera K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 262 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA15570  Agrostis stolonifera C. B. Wolf 1927-8-28 1189 Humboldt Eureka Bay on road to Arcata Comment
  UC33728  Agrostis stolonifera Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6203 Humboldt Russ Ranch Comment
  HSC58825  Agrostis thurberiana Walter Overton 1979-8-1 12399 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC34956  Aira caryophyllea Thomas W. Nelson 1975-5-24 1870 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  HSC65116  Aira caryophyllea J. P. Smith 1973-5-26 6877 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC8871  Aira praecox R. J. Vernimen 1963-4-27 35 Humboldt 0.5 mi. off Samoa Blvd. behind Georgia-Pacific dump, 7.5 mi. SW of Arcata Comment
  HSC102113  Allium amplectens M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1017 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1198198  Allium bolanderi Joseph P. Tracy 1936-6-10 14923 Humboldt mountain slopes w mouth of South Fork of Trinity River; South Fork of Trinity River 304 Comment
  UC15012  Allium bolanderi Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5636 Humboldt ridge near Hoopa; North Coast Ranges Comment
  HSC74047  Allium campanulatum R. York 1980-5-23 611 Humboldt Near Buck Mtn. 1524 Comment
  HSC81793  Allium falcifolium Thomas W. Nelson, James Nelson 1980-6-10 5400 Humboldt Along Swayback Ridge 4-wheel drive road, 1.25 mi. S of junction with Forest Service road. 1494 Comment
  UC3080  Allium falcifolium H. N. Bolander 6554 Humboldt Red Mts. Comment
  HSC66828  Allium hoffmanii M. A. Baker 1980-7-11 2791 Humboldt Near Red Mtn. 1341 Comment
  UCD138544  Allium hoffmanii Thomas W. Nelson; James L. Nelson 1980-6-10 5417 Humboldt along road to Red Mountain 0.5 mile west of junction with Swayback Ridge Road. 1371 Comment
  HSC2971  Allium triquetrum N. D. Dennis 1965-4-17 25 Humboldt 1.0 mi. from Arcata on Old Samoa Rd. Comment
  UC275536  Allium unifolium Joseph P. Tracy 1923-7-4 6531 Humboldt Valley of South Yager Creek Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  UC666891  Allium validum Joseph P. Tracy 1934-8-29 13630 Humboldt meadow at McKay's Camp South Fork Mountain, McKay's Camp 1676 Comment
  JEPS58643  Alnus incana subsp. tenuifolia W. L. Jepson 1902-7-17 2058 Humboldt Trinity Summit 2133 Comment
  UC1197945  Alnus rhombifolia Joseph P. Tracy 1931-12-25 9766 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1222280  Alnus rhombifolia Joseph P. Tracy 1950-9-22 19375 Humboldt 8 mi below Orleans (near Slate Creek); Klamath River 121 Comment
  UC503097  Alnus rhombifolia Joseph P. Tracy 1930-8-3 9143 Humboldt Dinsmore's Ranch Northern Coast Ranges, Van Duzen River (on river opposite Buck Mt.) 670 Comment
  CAS-BOT-BC169544  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt Mattole River, near Petrolia 15 Comment
  JEPS58588  Alnus rubra Lincoln Constance 1934-5-31 746 Humboldt along creek from w boundary of Park to Grasshopper Pk. (Squaw Cr.) rd. (n side of cr.); Bull Creek Region, South Fork Eel River, Bull Cr. flat Comment
  RSA244997  Alnus rubra W. A. Heatoh 1965-4-10 23 Humboldt 0.5 mile N. of Trinidad St. Park near road to bluff. Comment
  UC1145047  Alopecurus geniculatus Joseph P. Tracy 1938-7-15 16063 Humboldt mouth of Elk R. near Eureka 6 Comment
  HSC8897  Alopecurus pratensis W. F. Cartwright 1965-4-22 60 Humboldt 2 mi. W of Arcata on Arcata bottoms Comment
  HSC8903  Alopecurus pratensis R. H. Berg 1963-4-11 24 Humboldt Arcata Bottoms, 2 mi. W of Arcata Comment
  UC1116222  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton 30 Comment
  HSC40260  Ambrosia chamissonis Linda M. Barker 1976-8-2 1674 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  UCSB22194  Amelanchier alnifolia Tracy, Joseph 1933-6-13 Humboldt Hoopa Mountain; Near summit on road from Hoopa westward to Bair's Comment
  HSC41333  Amelanchier pallida Brad Klipfel 1974-9-17 570 Humboldt Horse Mtn. Comment
  CAS-BOT-BC137864  Ammophila arenaria Alice Eastwood 1923-8-14 12302 Humboldt Samoa. Comment
  RSA509059  Ammophila arenaria Lyman Benson 1929-7-15 1820 Humboldt Clam Beach, Trinidad. Comment
  UC525581  Amsinckia menziesii var. menziesii Joseph P. Tracy 1933-5-14 12175 Humboldt Trinity River Vallley at Willow Creek Trinity River Vallley; Northern Coast Ranges 152 Comment
  HSC69754  Anaphalis margaritacea Thomas W. Nelson 1977-9-22 3753 Humboldt At turnoff to Arcata Redwood Co. Comment
  UC963845  Anaphalis margaritacea H. E. Parks and S. T. Parks 1943-8-1 24237 Humboldt along highway Stone Lagoon Comment
  HSC37662  Anaphalis margaritacea R. Sutherland 1976-8-13 1 .13876 Humboldt 152 Comment
  OBI17091  Anaphalis margaritacea Carl B. Wolf 1937-8-13 9213 Humboldt N Coast Range, 9 mi NE of Blue Lake on Lord Ellis Rd Comment
  SEINET10674734  Anaphalis margaritacea Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 478 Humboldt Collected by Hwy. 101, N side of Orick. Rocky area, densely forested by river. 30 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
  POM365632  Anemone deltoidea Unspecified s.n. Humboldt [No location data on label] Comment
  UC642263  Angelica genuflexa Joseph P. Tracy 1938-9-25 16165 Humboldt near Murphy Meadows (Bald Mountain); Bald Mountain 944 Comment
  UCD127224  Angelica hendersonii Joseph DiTomaso 1980-6-29 1636 Humboldt south side of Elkshead. 2 miles north of Trinidad. Comment
  JEPS14245  Angelica lucida Joseph P. Tracy 1938-7-15 16078 Humboldt Mouth of Eel River Eel River 6 Comment
  SD109161  Angelica lucida Joseph M. DiTomaso 1980-6-7 1572 Humboldt Elkshead, north of Trinidad. Comment
  UC1197374  Angelica tomentosa Joseph P. Tracy 1939-8-16 16411 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC271493  Anisocarpus madioides Doris K. Kildale; L. B. Kildale 1930-5-24 9552 Humboldt Hoopa Valley 152 Comment
  HSC41291  Antennaria suffrutescens Brad Klipfel 1974-7-27 489 Humboldt Horse Mtn. Comment
  UCR48595  Anthemis cotula R. D. Goeden, Don W. Ricker 1987-9-2 870902- 13 Humboldt Loleta, along Cannibal Road 8 Comment
  HSC10094  Anthoxanthum occidentale J. W. Johnson 1962-3-14 1120 Humboldt Arcata, Lanphere Farm, Samoa Peninsula, woods at the side of Miller Ln. Comment
  HSC79443  Anthoxanthum occidentale Kenneth Clark 1980-3-27 550 Humboldt 300 yards S of Dead Man's Gulch. 107 Comment
  HSC37193  Anthriscus caucalis Barbara Kelly 1976-5-8 250 Humboldt Westhaven Stables, 1 mi from 101 on Westhaven Dr. Comment
  JEPS83355  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-30 359 Humboldt 0.9 mi from Hwy. 299 in Willow Creek (2.7 mi from start of Patterson Rd (at end of River Rd), FS Rd 10N02 (to Waterman Ridge and Horse Linto Creek), 0.8 mi n of jct with Sunset Pl); Willow Creek, Willow Creek Quad. (15', 1952) 213 Comment
  UCR46782  Antirrhinum vexillocalyculatum subsp. breweri D. M. Thompson 1983-6-26 354 Humboldt Kneeland Road 9.1 mi south of jct with Mountain View Road. 446 Comment
  UC1198741  Aphanes occidentalis Joseph P. Tracy 1919-4-27 5129 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  HSC32419  Aphanes occidentalis David Johnson 1974-4-24 Humboldt Samoa Peninsula W of Emerson Lumber Co. Comment
  UC1198740  Aphanes occidentalis Joseph P. Tracy 1918-4-12 4876 Humboldt near Fish's Mill Creek (Dows Prairie); Northern Coast Ranges 30 Comment
  JEPS49816  Apocynum cannabinum Lincoln Constance 1934-6-11 848 Humboldt trail along e. bank of S. Fork of Eel N. Dyerville Flat; S. Fork Eel R., Bull Creek Region, N. Dyerville Flat Comment
  HSC70689  Arabis breweri var. breweri Gail Newton 1980-7-15 1568 Humboldt Near Sims Mtn. 1311 Comment
  HSC58034  Arabis glabra G. L. Clifton 1979-7-31 11869 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC58192  Arabis glabra G. L. Clifton, Griswold 1979-8-2 12289 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  RSA0126368  Arabis glabra Joseph P. Tracy 1946-7-7 17610 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1225763  Arabis glabra Joseph P. Tracy 1946-7-7 17610 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC57407  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-26 10162 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC100458  Arabis perfoliata Carl C. Marshall Jun 1887 403 Humboldt Harris. Comment
  CAS-BOT-BC128698  Arbutus menziesii Doris K. Kildale 1927-12-1 4210 Humboldt Klamath River at Orleans Comment
  OBI33237  Arbutus menziesii David J. Keil 1983-7-1 17263 Humboldt Ca. 8 mi W of jctn US 101 along Bull Creek Flats rd Comment
  RSA175206  Arbutus menziesii R. F. Thorne 1957-9-2 19006 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  UC585945  Arctostaphylos Joseph P. Tracy 1934-3-11 13159 Humboldt French Camp Ridge 1066 Comment
  BLMAR276  Arctostaphylos canescens Jennifer Anthony-Wheeler 1999-7-30 276 Humboldt Lacks Creek 1219 Comment
  SD62040  Arctostaphylos canescens Darley F. Howe 1965-8-12 4129 Humboldt 7.9 miles south of Honeydew. Comment
  CAS-BOT-BC23770  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. betwwn Shelter Cove and Kenny Comment
  CAS-BOT-BC23793  Arctostaphylos columbiana C. Hart Merriam 1920-9-18 s.n. Humboldt Berry Mt. between Trinity River and Redwood Creek Comment
  CAS-BOT-BC23800  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13141 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  HSC7618  Arctostaphylos columbiana J. Pursell 1964-10-11 10114 Humboldt Big Lagoon Park, 1 mi. N of Big Lagoon school, approx. 200 yds. W of the road Comment
  UC1198651  Arctostaphylos columbiana Joseph P. Tracy 1936-2-22 13137 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  UCD50758  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1167 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  CAS-BOT-BC23736  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of the Van Duzen River. Comment
  SEINET11984882  Arctostaphylos glandulosa Unknown 1965-1 545 Humboldt 6.5 mi W on Kings Mountain Rd, Pacific Range Wilderness Area Comment
  HSC98571  Arctostaphylos glandulosa subsp. glandulosa Cara Witte 2008-8-5 987 Humboldt Buck Flat. 1/4 mile south of intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  CAS-BOT-BC39162  Arctostaphylos hispidula Carl B. Wolf 1937-8-13 9226 Humboldt North Coast Range, 8 Mi. E. of Hoopa Valley on new road towards Trinity Summit. 1219 Comment
  RSA632794  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27780 Humboldt Bald Hills Road, eastern end of Redwood National Park, 20-23 km west of Highway 96, north of Eureka. 600 Comment
  RSA633022  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27802 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  CAS-BOT-BC38832  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-5-7 3110 Humboldt Elk Ridge, near Eel Rock Comment
  JEPS38954  Arctostaphylos nevadensis Joseph P. Tracy 1932-7-12 10474 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  UC585956  Arctostaphylos nevadensis Joseph P. Tracy 1935-7-30 14380 Humboldt Salmon Summit 2103 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
  HSC74562  Arctostaphylos patula M. A. Baker 1980-5-17 1270 Humboldt Near Le Perron Peak 1066 Comment
  HSC7704  Arctostaphylos patula J. Pursell 1964-10-17 10171 Humboldt Hoopa in Hoopa Valley Comment
  CAS-BOT-BC43980  Arctostaphylos uva-ursi Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-2-25 4071 Humboldt Humboldt County 21 Comment
  CAS-BOT-BC43984  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17500 Humboldt Eureka 45 Comment
  HSC28130  Arctostaphylos uva-ursi J. D. Ackerman, A. M. Montalvo 1973-3-27 42 Humboldt 1.5 mi. N of Manila Comment
  UC1196866  Arctostaphylos uva-ursi J. P. Tracy 1899-3-26 299 Humboldt Rick's Prairie immediate vicinity of Eureka 0 Comment
  UCD52028  Arctostaphylos uva-ursi Roman Gankin 1965-8-6 554 Humboldt Sand dunes west of road. 1.3 miles south of Samoa, Samoa Peninsula, Humboldt County, California. Comment
  UCD20371  Arctotheca calendula John T. Kennedy 2002-5-9 s.n. Humboldt Centerville Rd., 2.5 miles from ocean. Comment
  CDA36130  Arctotheca prostrata CDFA Staff 1990-8-22 Humboldt Ferndale; Sage Road & Highway 211. 0 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
  HSC16899  Armeria maritima subsp. californica S. J. Hawks 1965-3-9 42 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  UC195424  Armeria maritima subsp. californica Joseph P. Tracy 1915-6-6 4649 Humboldt Bay Shore Northern Coast Region, Eureka 0 Comment
  SEINET10537845  Armeria maritima subsp. californica Mary Susan Taylor 1990-8-22 Taylor 6083 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  HSC31214  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  RSA256573  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  UC302176  Arnica cernua Joseph P. Tracy 1926-5-2 7449 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
Read comments
Feb 27 2007
  JEPS20979  Arnica cordifolia Joseph P. Tracy 1935-7-30 14372 Humboldt s of Red Cap Lake; Salmon Summit 2011 Comment
  HSC58301  Arnica diversifolia Overton, Butler 1979-8-2 12575 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC12593  Artemisia douglasiana C. Kline 1970-11-15 72 Humboldt Clam Beach Lagoon Comment
  CAS-BOT-BC93859  Artemisia dracunculus Doris K. Kildale 1926-8-8 2473 Humboldt Dyerville Bidge, river bar 45 Comment
  HSC12354  Artemisia pycnocephala Steve Dorei 1970-10-7 146 Humboldt McKinleyville Comment
  SD42225  Artemisia pycnocephala Carl B. Wolf 1940-11-10 3868 Humboldt Coast south of Mendocino, 1.8 miles north of where road turns inland to Petrolia 24 Comment
  SEINET201065  Artemisia pycnocephala J. P. Tracy 1909-7-18 3023 Humboldt Samoa Comment
  HSC4746  Artemisia pycnocephala David Adams 1960-7-17 Humboldt 2 miles S of Samoa 0 Comment
  HSC39169  Aruncus dioicus var. acuminatus D. E. Anderson, J. P. Smith 1971-6-28 - 1233 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC55680  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-26 9933 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  RSA46470  Aruncus sylvester Doris K. Kildale 1927-7-3 3663 Humboldt Willow Creek Flat. Comment
  HSC99362  Asarum caudatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 11 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-BC400539  Asarum caudatum C. C. Harris; S. K. Harris 1936-6-14 652 Humboldt On Yager Road from Carlotta 457 Comment
  HSC3265  Asarum caudatum H. E. Parks 1931-3-24 918 Humboldt Forest near Orick Comment
  HSC98125  Asarum caudatum Cara Witte 2007-6-28 379 Humboldt FS Road 5N10. Approximately 0.5 mi E of intersection with National Forest 1. 1426 Comment
  POM92404  Asarum caudatum L. R. Abrams 1922-6-25 s.n. Humboldt North of Mad River near Arcata Comment
  UC1135997  Asarum caudatum R. Stahelin 1933-5-18 Humboldt Aroata City Park; Eureka Comment
  HSC74315  Aspidotis densa M. A. Baker 1980-7-11 2800 Humboldt Near Red Mtn. 1433 Comment
  RSA417645  Aster chilensis M. B. Dunkle 1936-8-18 4811 Humboldt Fortuna Comment
  CHSC70008  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Road. 500 Comment
  CAS-BOT-BC192860  Astragalus purshii var. lectulus Thomas W. Nelson; James L. Nelson 1980-6-10 5405 Humboldt Along Swayback Ridge 4-wheel drive road ca 2.5 miles north of junction with Forest Service road 1S07 1463 Comment
  UC302116  Astragalus umbraticus Joseph P. Tracy 1926-6-6 7559 Humboldt on road w Hoopa Valley (Hoopa Mountain); Northern Coast Ranges, , w <of> Hoopa Valley 914 Comment
  HSC98039  Asyneuma prenanthoides Cara Witte 2007-7-17 539 Humboldt Along 4N38. Road to Board Camp Mountain. 1388 Comment
  POM319593  Athyrium filix-femina subsp. cyclosorum Patricia Wilder 1968-8-21 4383 Humboldt Bog in Big Lagoon park, just west of Highway 101 2 Comment
  HSC30350  Athyrium filix-femina var. cyclosorum Dale R. Gradek 1974-5-28 90 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  UC197924  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1912-7-25 3814 Humboldt along Black Creek Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC503067  Athyrium filix-femina var. cyclosorum H. E. Parks and Joseph P. Tracy 1930-9-13 9180 Humboldt Jacoby Creek; Northern Coast Ranges 121 Comment
  HSC35625  Atriplex leucophylla Thomas W. Nelson, James Nelson 1975-8-5 2138 Humboldt Along S spit of Humboldt Bay ca. 1 mi. N of Table Bluff. Comment
  CDA23295  Atriplex patula var. obtusa Gordon Leppig 1999-10-25 1266 Humboldt Eureka, PALCO Marsh Comment
  HSC65451  Avena barbata J. P. Smith 1973-5-26 6807 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1222974  Baccharis pilularis Joseph P. Tracy 1949-10-16 18589 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UCR37252  Baccharis pilularis R. A. Fawcett 1940-8-26 s.n. Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC26635  Balsamorhiza deltoidea Thomas W. Nelson 1971-5-31 457 Humboldt Adjacent to the Mad River N of Dinsmore Comment
  HSC89439  Barbarea verna P. A. Daly 1985-5-3 35 Humboldt Trinidad Head 61 Comment
  JEPS31853  Bellis perennis W. L. Jepson 1934-5-7 16709 Humboldt Bottom Bench, by Bull Creek, near Big Tree Comment
  JEPS31856  Bellis perennis Joseph P. Tracy 1937-6-20 15345 Humboldt 10 miles up from mouth of Bear River Bear River 152 Comment
  POM41982  Bellis perennis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1199304  Bellis perennis Joseph P. Tracy 1924-3-9 6617 Humboldt Kneeland Prairie, near Lawrence Creek Northern Coast Ranges 762 Comment
  SEINET5707799 Image available Bellis perennis Suzanne E. May 1967-1 34 Humboldt On State Highway 36, 1 mile west of Bridgeville.; Bridgeville 183 Comment
  RSA114084  Bensoniella oregona R. C. Bacigalupi, Constance, Trqacy, Moran, Rodriguez, Carlquist 1951-6-14 3410 Humboldt High Prairie, on long high ridge between Mad River and Redwood Creek (Bald Mountain ridge) 1067 Comment
  RSA167308  Bensoniella oregona Joseph P. Tracy 1951-6-14 19416 Humboldt East side of Snow Camp Meadows Comment
  RSA125218  Bensoniella oregona S. Carlquist 1951-6-14 158 Humboldt Below Felt Plateau, on road to Snow Camp 1006 Comment
Read comments
Nov 8 2010
  HSC74672  Berberis aquifolium Gail Newton 1981-5-16 2172 Humboldt Near Bug Creek. 1228 Comment
  UC9759  Berberis aquifolium Harley P. Chandler 1901-1 1277 Humboldt Hupa Indian Reservation 1097 Comment
  HSC76285  Berberis aquifolium var. aquifolium Denis Kearns 1981-6-24 7 Humboldt Near Cedar Camp 1219 Comment
  CAS-BOT-BC75683  Berberis nervosa L. R. Abrams 1916-7-11 5991 Humboldt Between Blocksburg and Bridgeville. Comment
  JEPS47776  Berberis nervosa Milo S. Baker 1923-7-31 187 Humboldt Lawrence Creek Comment
  UC146103  Berberis nervosa J. P. Tracy 1904-4-17 2016 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC412989  Bistorta bistortoides Volney Rattan 1882-1-1 s.n. Humboldt Kneeland Comment
  HSC64434  Bistorta bistortoides J. P. Smith, Steve Selva 1970-6-30 4119 Humboldt Comment
  HSC37365  Blechnum spicant Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 497 Humboldt Along Lost Man Creek. 38 Comment
  RSA1505  Blechnum spicant E. R. Johnson 1929-08 1408 Humboldt Arcata Redwood Park Comment
  SEINET11716007  Blechnum spicant D. E. Boufford 1973-1 11067 Humboldt Eureka, Sequoia Park Comment
  CAS-BOT-BC15787  Boechera acutina Harold Ernest Parks; Joseph Prince Tracy 1949-6-25 11678 Humboldt Trinity Summit. At Box Camp. 1463 Comment
  HSC83035  Bolboschoenus maritimus subsp. paludosus A. L. Eicher 1985-8-17 Humboldt Coastal salt marsh bordering Humboldt Bay, 0.3 mi. S of junction of Samoa Blvd. and Vance Ave. 1 Comment
  UC14481  Boykinia major Chesnut and Drew Aug. 1888 Humboldt head of Redwood Creek Comment
  UC857908  Boykinia occidentalis Ira L. Wiggins 1930-7-22 4694 Humboldt between Blue Lake and Willow Creek along bank Redwood Creek; bank of Redwood Creek btw Blue Lake and Willow Creek Comment
  UC160971  Brassica rapa Joseph P. Tracy 1911-6-25 3242 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  HSC6580  Brassica rapa J. L. Baker 1965-3-9 5 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  HSC6582  Brassica rapa D. E. Anderson 1962-2-10 1922 Humboldt 1.5 mi. S of Trinidad Comment
  CAS-BOT-BC106296  Brickellia californica Carl B. Wolf 1927-8-27 1158 Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  CAS-BOT-BC127681  Brickellia greenei Joseph P. Tracy 1934-9-5 13655 Humboldt Horse Mountain 1402 Comment
  HSC70984  Brickellia greenei Gail Newton 1980-7-22 1660 Humboldt Near Devils Backbone 1554 Comment
  UC581799  Brickellia greenei Joseph P. Tracy 1935-7-30 14361 Humboldt Salmon Summit 1767 Comment
  HSC61765  Briza maxima Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  RSA244953  Briza maxima Glen I. Wilcox 1973-5-26 s.n. Humboldt West shore of freshwater lagoon. Comment
  UC657696  Briza maxima P. B. Kennedy 1929-6-13 Humboldt Etterberg Comment
  HSC79436  Briza minor Kenneth Clark 1980-6-14 664 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 30 Comment
  SEINET4183111 Image available Briza minor Joseph P. Tracy 1912-6-9 3664 Humboldt Alton 30 Comment
  SEINET12053182  Brodiaea coronaria L. K. Henry 1971-1 s.n. Humboldt along Rt. 36, 2 mi E of Dinsmore in Six River National Forest Comment
  HSC56466  Brodiaea elegans subsp. elegans Griswold, Butler 1979-7-12 7273 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  JEPS7652  Brodiaea elegans subsp. elegans Milo S. Baker 1923-7-28 131 a Humboldt near camp on South Fork Yager Creek Comment
  HSC100549  Brodiaea laxa Carl C. Marshall Jun 1885 94 Humboldt Hills everywhere. Comment
  SEINET202009  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1942-6-15 17125 Humboldt Englewood natural prairie near Redcrest resort 91 Comment
  UC1225870  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1942-6-15 17125 Humboldt near Redcrest resort; Englewood 91 Comment
  CAS-BOT-BC484613  Brodiaea terrestris subsp. terrestris Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  HSC81940  Brodiaea terrestris subsp. terrestris D. H. Norris 1985-5-30 Humboldt Near Whitethorn Comment
  UC162968  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1911-5-30 3196 Humboldt Busksport, Region about Humboldt Bay North Coast Region, Humboldt Bay 0 Comment
  UC187097  Bromus carinatus var. carinatus Joseph P. Tracy 1911-6-25 3265 Humboldt Northern Coast Region, atEureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC212859  Bromus carinatus var. carinatus Joseph P. Tracy 1920-5-31 5333 Humboldt Northern Coast Region, Carlotta, along Yager Creek Carlotta; Northern Coast Region, , Yager Creek 30 Comment
  UC526864  Bromus carinatus var. carinatus Joseph P. Tracy 1926-5-2 7424 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC552685  Bromus carinatus var. carinatus Joseph P. Tracy 1934-7-18 13423 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC185779  Bromus carinatus var. maritimus Joseph P. Tracy 1912-6-9 3658 Humboldt Alton; Northern Coast Ranges, Alton 30 Comment
  UC249501  Bromus carinatus var. maritimus Joseph P. Tracy 1922-5-28 6054 Humboldt Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  HSC9271  Bromus diandrus J. W. Johnson 1962-4-18 1268 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  HSC9297  Bromus diandrus J. R. Eichelberger 1964-5-3 46 Humboldt 2 mi. N of Fieldbrook Comment
  UC1131155  Bromus diandrus H. S. Yates 1936-6-17 5707 Humboldt lower nw slope of Buck Mountain Buck Mountain 792 Comment
  HSC69864  Bromus hordeaceus Thomas W. Nelson 1978-5-28 4087 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  UC1103365  Bromus hordeaceus Joseph P. Tracy 1905-6-4 2187 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC1131062  Bromus hordeaceus H. S. Yates 1936-6-17 5716 Humboldt near Burr Valley 914 Comment
  UCD58714  Bromus hordeaceus A. H. Murphy 1951-6-1 53 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap. 853 Comment
  UCD58883  Bromus laevipes Joseph P. Tracy 1950-6-15 18785 Humboldt Mail Ridge. North of Harris 7 miles. 1036 Comment
  HSC73757  Bromus tectorum Gail Newton 1980-7-11 1326 Humboldt Near Red Mtn. 1341 Comment
  HSC9369  Bromus tectorum C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-17 1345 Humboldt Trinity River, near bridge on Trinity Highway 152 Comment
  UC212890  Bromus tectorum Joseph P. Tracy 1919-5-31 5173 Humboldt Northern Coast Ranges, at mouth of Willow Creek, tributary of Trinity River Willow Creek; Northern Coast Ranges, Willow Creek 152 Comment
  CAS-BOT-BC185523  Bromus vulgaris W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek and Eel River. Comment
  UCR37862  Cakile edentula subsp. edentula D. Gordon 1982-9-23 s.n. Humboldt Northern Coast, Lanphere-Christensen Dunes Preserve, 3 mi west of Arcata Comment
  CAS-BOT-BC36861  Cakile edentula var. edentula Ira L. Wiggins 1930-7-7 4671 Humboldt Near Samoa. Comment
  SEINET3148036  Cakile maritima J. W. Johnson 1961-8-17 1066 Humboldt Arcata. W.M. Lanphere Farm, Samoa Peninsula 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
  CAS-BOT-BC185181  Calamagrostis nutkaensis Doris Kildale Gillespie 1931-6-7 10653 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  UC1103693  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1936-8-17 15150 Humboldt 2.5 mi s Field's Landing (near Still Ranch) 6 Comment
  CAS-BOT-BC80388  Calocedrus decurrens Doris K. Kildale 1926-8-22 2578 Humboldt French Camp on Orick - Martin's Ferry Road 731 Comment
  HSC26649  Calocedrus decurrens J. O. Sawyer 1973-3-12 2478 Humboldt SE of Kerr Peak on Manhart Ranch 457 Comment
  HSC76319  Calocedrus decurrens Denis Kearns 1981-7-6 60 Humboldt Near Mosquito Lake 1121 Comment
  HSC95787  Calocedrus decurrens Will Ferrand 2001-6-17 28 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  HSC15406  Calochortus tolmiei J. P. Tracy, H. E. Parks 1934-6-27 7 Humboldt Grouse Mtn. 1372 Comment
  HSC36504  Calochortus tolmiei Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1887 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC146214  Calochortus tolmiei Joseph P. Tracy 1908-6-8 2624 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC494356  Calochortus tolmiei Doris K. Kildale 1926-5-2 1851 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC496522  Calochortus tolmiei R. K. Gierisch; D. H. Esplin 1969-7-1 3530 Humboldt Six Rivers Forest. Grouse Mtn. 1584 Comment
  CAS-BOT-BC175758  Caltha leptosepala Carl B. Wolf 1934-7-2 5891 Humboldt Snow Camp (mts. E. of Korbel). Near Small Lake 1371 Comment
  HSC82398  Caltha leptosepala Thomas W. Nelson 1979-7-11 5016 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  RSA54144  Calycadenia ciliosa H. M. Pollard 1946-8-28 s.n. Humboldt Near Summit of Orleans Mt. 1829 Comment
  CAS-BOT-BC273316  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River 304 Comment
  RSA170258  Calycadenia truncata subsp. scabrella Joseph P. Tracy 1916-9-5 4755 Humboldt Grasshopper Ridge, head of Canoe Creek 610 Comment
  HSC38745  Calypso bulbosa J. D. Ackerman 1976-4-26 753 Humboldt 1.5 mi. E of Blue Lake Simpson demonstration forest near highway. Comment
  HSC30130  Calypso bulbosa J. D. Ackerman, B. Ackerman 1974-4-12 169 Humboldt 3 mi. E of Kneeland post office on road to Butler Valley and Maple Creek Comment
  HSC98045  Calypso bulbosa Cara Witte 2007-5-31 165 Humboldt Buck Flat. 1547 Comment
  UC673023  Calyptridium monospermum Joseph P. Tracy 1932-7-15 10590 Humboldt e of Corral Prairie (Trinity Summit); Trinity Summit 1828 Comment
  UC1197874  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1898-7-15 257 Humboldt near Hydesville (Yager Creek); , near Hydesville 60 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
  CHSC20349  Calystegia soldanella D. E. Anderson; N. Dennis 1965-6-8 1036 Humboldt Samoa Peninsula along the west side of Humboldt Bay. Sections 3, 4, 9, 10, 15, 16, 17, 20, 21, 28, 29, 31, 32. Comment
  RSA0116954  Camassia leichtlinii subsp. suksdorfii Frank W. Peirson 1923-7-11 3681 Humboldt 7 miles north of Arcata. Comment
  UC1173652  Camassia quamash subsp. quamash Joseph P. Tracy 1937-8-12 15637 Humboldt Snow Camp 1402 Comment
  HSC16441  Camissonia cheiranthifolia J. W. Johnson 1961-5-13 1358 Humboldt Arcata, Christenson Farm, Samoa Peninsula Comment
  HSC45064  Camissonia ovata R. Sutherland 1978-3-30 2 .30378 Humboldt Mckee Flat 293 Comment
  SEINET10463344  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt HOOPA VALLEY Comment
  SEINET10873254  Campanula prenanthoides Rogers McVaugh 1941-8-3 McVaugh 6214 Humboldt 3.5 miles south of Garberville, steep shaly roadside bank, in woods Comment
  HSC98089  Campanula scouleri Cara Witte 2007-7-3 414 Humboldt Along National Forest 1 on Kinsey Ridge. 1 mile south of intersection with 4N06. 1259 Comment
  SEINET10463748  Campanula scouleri Rattan 1883-6-30 RATTAN s.n. Humboldt Between Redwood Creek and Mad River Comment
  SEINET10840360  Campanula scouleri Marshall 1886-1 MARSHALL s.n. Humboldt Comment
  UC492265  Capsella bursa-pastoris Joseph P. Tracy 1929-4-28 8544 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC6618  Capsella bursa-pastoris David K. Smith 1968-2-3 3 Humboldt Crannell Rd. past the bridge Comment
  SDSU2482  Cardamine angulata Wayne A. Bemis 1964-5-8 289 Humboldt North Coast redwood rain forest. Freshwater Forest of Freshwater City. 94 Comment
  HSC34634  Cardamine californica R. M. Sullivan 1975-4-8 4 Humboldt 1 mi. S of Patrick's Point State Park on Hwy. 101, along foot path leading to beach 24 Comment
  RSA167406  Cardamine californica var. integrifolia Joseph P. Tracy 1950-4-20 18619 Humboldt West slope of Buck Mountain, along highway, about 2 miles S of the Little Van Duzen crossing. Comment
  CAS-BOT-BC37890  Cardamine oligosperma Alice Eastwood 1907-4-21 21 Humboldt Trinidad. Comment
  CAS-BOT-BC37894  Cardamine oligosperma Duart V. Brown 1947-3-27 16 Humboldt Near Tectah Creek, Klamath River. Comment
  CAS-BOT-BC384766  Cardionema ramosissimum D. E. Breedlove 1962-6-7 3048 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  CAS-BOT-BC281809  Carduus tenuiflorus Doris K Niles 1951-1-1 s.n. Humboldt Niles Ranch Comment
  HSC96930  Carex abrupta E. Kimbrough, W. Meier 2007-6-13 10 Humboldt Grouse Mountain, 1 mi. E of NF1 on FS 5N04 1524 Comment
  UC562287  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  POM247166  Carex arcta Joseph P. Tracy 1934-7-13 13389 Humboldt Dow s Prairie Comment
  UC1586919  Carex arcta Juha Pykala and D. H. Norris 1987-6-5 1360 Humboldt e Maple Creek (se of Snow Camp Mountain, upper course of Redwood Creek); Redwood Creek 1100 Comment
  UC303008  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt near Redwood House (on road to head of Yager); Northern Coast Ranges 609 Comment
  CAS-BOT-BC18075  Carex athrostachya Joseph Prince Tracy 1935-7-23 14140 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  HSC44019  Carex athrostachya Thomas W. Nelson, Jane P. Nelson 1977-7-4 3591 Humboldt Beside pond above Alder Springs 1585 Comment
  UC249760  Carex bolanderi Joseph P. Tracy 1923-6-20 6332 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC44058  Carex bolanderi Thomas W. Nelson, James Nelson 1976-7-28 3076 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  LA103752  Carex buxbaumii Robert F. Thorne; P. C. Everett 1965-8-7 35197 Humboldt Big Lagoon 1 Comment
  UC249736  Carex buxbaumii Joseph P. Tracy 1924-7-13 6724 Humboldt Big Lagoon Northern Coast Ranges, Big Lagoon 6 Comment
  JEPS79838  Carex concinnoides Joseph P. Tracy 1926-5-2 7447 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  POM313080  Carex cusickii Malcolm A. Nobs, S. Galen Smith 1949-8-3 1197 Humboldt Southern outskirts of Eureka Comment
  CAS-BOT-BC34437  Carex deflexa var. boottii Joseph Prince Tracy 1935-6-2 13921 Humboldt Big Lagoon. 30 Comment
  UC303148  Carex densa Joseph P. Tracy 1925-5-30 7048 Humboldt McClellan Mountain Northern Coast RAnges 822 Comment
  CAS-BOT-BC19967  Carex exsiccata Joseph Prince Tracy 1934-7-13 13388 Humboldt Dow's Prairie. 60 Comment
  UC562648  Carex feta Joseph P. Tracy 1935-5-25 13838 Humboldt Fort Seward 106 Comment
  CAS-BOT-BC20012  Carex feta H. D. Ripley; R. C. Barneby 1945-6-16 6823 Humboldt NW of Harris. 883 Comment
  UC194816  Carex feta Joseph P. Tracy 1908-7-22 2906 Humboldt opposite Buck Mountain (near top of ridge between Van Duzen and Mad River); Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  JEPS80027  Carex globosa Joseph P. Tracy 1936-5-22 7507 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  CAS-BOT-BC28420  Carex gracilior Joseph Prince Tracy 1938-6-9 15878 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC20461  Carex harfordii Joseph Prince Tracy 1939-7-9 16316 Humboldt Bald Mountain. 1 mile north of Murphy Meadows. 914 Comment
  CAS-BOT-BC21018  Carex hendersonii C. V. Piper 1921-5-22 s.n. Humboldt Eureka. Comment
  UCR52372  Carex hendersonii L. P. Janeway 1982-6-17 9 Humboldt c. 300 m west of main Arcata Community Forest Road along the road to the HSU water tank. 175 Comment
  HSC103629  Carex integra Thomas W. Nelson, Jane Nelson 1987-6-11 8609 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  UC562266  Carex jonesii Joseph P. Tracy 1932-7-15 10572 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC35567  Carex jonesii Joseph Prince Tracy 1932-7-15 10573 Humboldt Trinity Summit, at Corral Prairie 1584 Comment
  UC562427  Carex laeviculmis Joseph P. Tracy 1933-7-25 12856 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1103619  Carex lenticularis var. impressa Joseph P. Tracy 1932-7-15 10587 1/2 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  CAS-BOT-BC31464  Carex leptopoda Joseph Prince Tracy 1913-6-22 4267 Humboldt Dinsmore's Ranch, in valley of Van Duzen River opposite Buck Mountain. 762 Comment
  HSC48371  Carex leptopoda D. H. Norris May 1970 12464 Humboldt Gold-Bluff Beach, Prairie Creek Redwoods State Park Comment
  CAS-BOT-BC31664  Carex lyngbyei Joseph Prince Tracy 1938-7-15 16069 Humboldt In salt marsh and edges of sloughs, Mouth of Eel River. 3 Comment
  HSC102160  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1070 Humboldt Patterson Meadows 1555 Comment
  HSC102161  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1071 Humboldt Patterson Meadows 1555 Comment
  UC302096  Carex microptera Joseph P. Tracy 1906-5-20 2461 Humboldt Eureka Northern Coast Region 0 Comment
  UC152055  Carex multicaulis Joseph P. Tracy 1950-7-1 18958 Humboldt near Friday Camp; Grouse Mountain, Friday Ridge 1219 Comment
  HSC43480  Carex multicostata Thomas W. Nelson, Jane P. Nelson 1977-9-3 3729 Humboldt Growing along creek drainage N end of pond above Alder Springs 1524 Comment
  RSA167282  Carex multicostata Joseph P. Tracy 1950-7-25 19064 Humboldt South Fork Mountain. Openings in fir forest near McKay camp. 1677 Comment
  HSC49245  Carex nudata M. A. Baker 1979-4-27 701 Humboldt Six Rivers National Forest Comment
  SEINET3905214  Carex nudata Thomas Nelson 1977-5-30 3407 Humboldt In Mad River at Anderson's Ford north of Dinsmore on the McKeown Ranch.; 0 610 Comment
  UC562448  Carex nudata Joseph P. Tracy 1935-7-21 14120 Humboldt along river at Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC119377  Carex obnupta Mrs. H. C. Cantelow 1936-5-17 1238 Humboldt Near Orick. Comment
  JEPS25960  Carex obnupta Joseph P. Tracy 1916-5-31 4969 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  RSA15497  Carex obnupta Joseph P. Tracy 1934-7-30 13514 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon). 3 Comment
  HSC69875  Carex ovalis Thomas W. Nelson 1978-5-28 4100 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  HSC70166  Carex ovalis Thomas W. Nelson 1978-6-10 4418 Humboldt Behind the Seventh-Day Adventist Church on F St., Eureka Comment
  UC585634  Carex ovalis Joseph P. Tracy 1937-8-7 15617 Humboldt Murphy Ridge Bald Mt. 914 Comment
  CAS-BOT-BC119227  Carex pachystachya Joseph Prince Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC119231  Carex pachystachya Joseph Prince Tracy 1927-7-4 8233 Humboldt Iaqua 609 Comment
  SEINET7570348 Image available Carex pachystachya Ray Tallent 1987-8-11 896 Humboldt Six Rivers National Forest, roadside S of Horse Mtn. 1390 Comment
  HSC98947  Carex pachystachya Cara Witte 2008-7-2 810 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  UC1103094  Carex pachystachya Joseph P. Tracy 1923-6-24 6352 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  SEINET11635019  Carex pansa L. P. Janeway 1987-1 2537 Humboldt vicinity of Eureka, North Spit of Humbolt Bay near SE corner of Eureka City Airport 3 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  JEPS79862  Carex stipata var. stipata Joseph P. Tracy 1931-5-17 9422 Humboldt opposite mouth Willow Creek (Lack Pond); Northern Coast Ranges, Trinity River Valley 152 Comment
  CHSC115860  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain, Outer North Coast Ranges. 1190 Comment
  JEPS122434  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain. Outer North Coast Ranges (NCoRO) Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  HSC7084  Carex tumulicola H. E. Parks 1924-8-9 2444 Humboldt Near Carlotta Comment
  JEPS80028  Carex vesicaria var. major Joseph P. Tracy 1914-9-6 4613 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  UC1103605  Carex viridula var. viridula Joseph P. Tracy 1934-10-21 13693 Humboldt in front of South End Stone Lagoon (Dry Lagoon) 3 Comment
  HSC79490  Carpobrotus chilensis Kenneth Clark 1980-4-18 574 Humboldt On lowest alluvial terrace of Dead's Man Gulch. 3 Comment
  UC1353974  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt ca 2 mi w Dyerville (on ridge 1 mi n above Bull Creek); Lukes Prairie Comment
  CDA6949  Carthamus lanatus G. D. Barbe 1978-7-27 2418 Humboldt Along Salmon Creek, west of Miranda on Salmon Creek Road-Thomas Road. 0 Comment
  UC1196863  Castilleja affinis subsp. litoralis Joseph P. Tracy 1912-4-21 3575 Humboldt n slope Humboldt Hill; Northern Coast Region, Humboldt Bay Region 0 Comment
  UC582582  Castilleja affinis subsp. litoralis H. E. Parks and Joseph P. Tracy 1923-5-19 6208 Humboldt vicinity Trinidad 60 Comment
  JEPS93175  Castilleja ambigua subsp. humboldtiensis Margriet Wetherwax and Kevin Downing 1993-8-9 2455 Humboldt just n Eureka (s side of Eureka Slough, e side of Humboldt Bay, near Bayside Rd and Myrtle, just past Pigeon Point, e side of road); Humboldt Bay 5 Comment
  HSC60038  Castilleja attenuata M. A. Baker 1978-5-6 492 Humboldt 2 km. W of Weitchpec along Klamath River Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  JEPS15207  Castilleja exserta subsp. exserta R. Stahelin 1933-5-15 Humboldt Freshwater Eureka Quad. Comment
  RSA518654  Castilleja litoralis L. R. Heckard, T. I. Chuang 1971-7-1 2667 Humboldt Slope at south end of Freshwater Lagoon, 2 miles southwest of Orick. Comment
  HSC76191  Castilleja miniata Overton, Butler 1979-7-24 9792 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC582475  Castilleja pruinosa Joseph P. Tracy 1926-6-27 7676 Humboldt Horse Mountain; North Coast Ranges 1432 Comment
  HSC72569  Castilleja pruinosa J. P. Smith, J. O. Sawyer 1976-5-2 8628 Humboldt S. R. 96, 4.9 mi. N of its junction with S.R. 299 122 Comment
  UC668171  Ceanothus cordulatus Joseph P. Tracy 1933-7-11 12681 Humboldt Cold Springs Grouse Mt. 1432 Comment
  HSC43213  Ceanothus gloriosus var. exaltatus R. Sutherland 1975-7-4 0 .4775 Humboldt 640 Comment
  UC502957  Ceanothus lemmonii Joseph P. Tracy 1929-4-28 8551 Humboldt Willow Creek Trinity River Valley, Northern Coast Ranges 152 Comment
  UC203969  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1918-5-1 4902 Humboldt towards McBrides; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC51702  Ceanothus papillosus W. R. Dudley 1899-10-30 s.n. Humboldt Head of Willow Creek Comment
  JEPS42236  Ceanothus parryi W. L. Jepson 1932-7-24 16388 Humboldt Mail Ridge Comment
  RSA25753  Ceanothus parryi Carl B. Wolf 1941-7-28 11092 Humboldt Slope along Eel River, 1 mile S of Miranda. 30 Comment
  UC1071245  Ceanothus parryi A. E. Wieslander 1931-5-23 221 Humboldt w Briceland; Briceland Quad. Comment
  UC249583  Ceanothus parryi Joseph P. Tracy 1921-5-27 5808 1/2 Humboldt near Humboldt-Mendocino County line; Northern Coast Ranges, South Fork of Eel River 152 Comment
  UCSB11762  Ceanothus parryi Neuns, R. 1940-7-13 Humboldt 3 miles south of Alder Point 548 Comment
  CAS-BOT-BC53063  Ceanothus pumilus Clarence R. Quick 1959-7-24 59 -34 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC23294  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1311 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  CAS-BOT-BC52218  Ceanothus thyrsiflorus Doris K. Kildale 1926-8-29 2598 Humboldt Blue Slide on the Van Duzen River Comment
  RSA46882  Ceanothus thyrsiflorus Doris K. Kildale 1926-6-18 2399 Humboldt Gold Bluffs. Comment
  UC1071395  Ceanothus thyrsiflorus G. T. Nordstrom Jul 1934 1426 Humboldt 1 mi nne Orick; Orick Quad. 3 Comment
  UC165825  Ceanothus thyrsiflorus Joseph P. Tracy 1909-6-6 2984 Humboldt Eureka 0 Comment
  SBBG4536  Ceanothus thyrsiflorus var. thyrsiflorus M. J. Cody 1938-7-14 Humboldt Trinidad Comment
  POM89164  Ceanothus velutinus Joseph P. Tracy 1919-9-24 5295 Humboldt Trinity Summit 1829 Comment
  UC1198027  Ceanothus velutinus Joseph P. Tracy 1913-7-20 4374 Humboldt Near Three Creeks 1066 Comment
  CAS-BOT-BC52869  Ceanothus velutinus J. W. Tilden 1947-8-25 s.n. Humboldt Near summit of Red Mountain above Klamath River opposite Shelton Butte 822 Comment
  CAS-BOT-BC277178  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt Horse Prairie, 2 mi. s. of Redcrest Comment
  HSC37944  Centaurea jacea Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  POM225417  Centaurea solstitialis Philip A. Munz 1936-8-9 14332 Humboldt South fork of Eel River, 5 miles north of Humboldt-Mendocino county line. Comment
  UC718024  Centaurium muehlenbergii Carl B. Wolf 1934-6-30 Humboldt 0.5 mi from Briceland (on road to Garberville) 91 Comment
  HSC70729  Cephalanthera austiniae Gail Newton 1980-7-14 1525 Humboldt Near Deadman Ridge 1097 Comment
  UC1196467  Cephalanthera austiniae Joseph P. Tracy 1948-8-15 18149 Humboldt on ridge 2 mi. e. Grove's Prairie (Trinity Summit); Trinity Summit 1524 Comment
  SBBG1996  Cerastium arvense H. and M. Dearing 1933-5-17 239 Humboldt N of Arcata Comment
  UC1198321  Cerastium fontanum subsp. vulgare Joseph P. Tracy 1900-5-28 809 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  UC1198320  Cerastium glomeratum Joseph P. Tracy 1911-7-5 3308 Humboldt near mouth Willow Creek; Northern Coast Ranges, Willow Creek (tributary of Trinity R. 182 Comment
  UC668111  Cerastium glomeratum Joseph P. Tracy 1927-3-27 7849 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley, Willow Creek 152 Comment
  HSC89604  Cerastium glomeratum M. Roantree 1985-4-25 10 Humboldt E side of Trinidad Head. Comment
  RSA239744  Cerastium glomeratum Larry E. DeBuhr 1973-4-23 987 Humboldt Richardson Grove Redwood State Park. Comment
  POM126513  Cercis occidentalis Joseph P. Tracy 1922-4-30 6003 Humboldt Trinity River Valley, near Willow Creek. 152 Comment
  HSC41288  Chamaecyparis lawsoniana Brad Klipfel 1974-7-27 482 Humboldt Horse Mtn., along Ruby Creek Comment
  HSC44337  Chamaecyparis lawsoniana Brad Klipfel 1975-6-17 674 Humboldt Horse Mtn. Comment
  CAS-BOT-BC166042  Chamerion angustifolium subsp. circumvagum 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC74745  Cheilanthes gracillima Gail Newton 1981-8-7 2426 Humboldt Near Bug Creek Butte 1244 Comment
  SEINET10479107  Chenopodium atrovirens Mary Susan Taylor 1982-10-24 Taylor 5178 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  RSA44501  Chenopodium botrys H. M. Pollard 1947-8-31 s.n. Humboldt Klamath River near Wilson Creek, Orleans region. Comment
  CAS-BOT-BC451383  Chimaphila menziesii Doris K. Kildale 1925-7-5 1027 Humboldt Willow Creek, Trinity River Valley 152 Comment
  HSC55227  Chimaphila umbellata G. L. Clifton, Griswold 1979-8-2 12427 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  SFV18491  Chimaphila umbellata C. Lee 2002-4-27 32 Humboldt USFS Road 13, about 3 miles northwest of intersection with Highway 96. Comment
  POM87953  Chrysanthemum leucanthemum L. R. Abrams, R. C. Bacigalupi 1922-6-25 8262 Humboldt Between Trinidad and Big Lagoon Comment
  HSC8056  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt Above Kerlin Creek, S. Fork Mtn. Comment
  HSC8061  Chrysolepis chrysophylla Doris K. Kildale 1926-8-22 2570 Humboldt Bald Hills, beyond E end of cabin at Tomlinson's 716 Comment
  POM270419  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge. 1067 Comment
  JEPS46614  Chrysolepis chrysophylla Rimo Bacigalupi Oct 1935 Humboldt Mad River; C.C.C. Camp Comment
  UC526690  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt summit near Blake Lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  JEPS49670  Chrysosplenium glechomifolium Joseph P. Tracy 1918-4-28 4888 Humboldt Northern Coast Ranges, at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC1198646  Cicendia quadrangularis Joseph P. Tracy 1903-5-22 1887 Humboldt Alder Point Northern Coast Ranges (on Eel River) 152 Comment
  HSC9490  Cinna latifolia D. E. Anderson 1965-9-5 4085 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC55687  Circaea alpina subsp. pacifica Overton, Butler 1979-7-26 9970 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC56318  Circaea alpina subsp. pacifica Overton, Butler 1979-8-2 12657 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS59108  Cirsium arvense Lincoln Constance 1934-6-2 787 Humboldt to mouth of Bull Creek, and up Bull Creek Bull Creek road; South Fork Eel River, Bull Creek Region Comment
  UCR115124  Cirsium brevistylum B. Villegas 1998-8-4 s.n. Humboldt North Coast Ranges, Hwy 299 between mileposts 21.5 and 18, near Willow Creek. 415 Comment
  HSC98566  Cirsium cymosum var. cymosum Cara Witte 2008-7-30 981 Humboldt Horse Mountain Botanical Area. 1/4 mile east of intersection National Forest 1, and Forest Service Roads 6N36, 6N38. 1426 Comment
  HSC98616  Cirsium cymosum var. cymosum Cara Witte 2007-7-10 472 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  CAS-BOT-BC285529  Cirsium occidentale var. candidissimum L. B. Kildale 1930-7-7 10261 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  HSC97973  Cirsium occidentale var. candidissimum Cara Witte 2007-6-21 318 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1390 Comment
  HSC89489  Cirsium vulgare P. A. Daly 1986-2-28 65 Humboldt Trinidad Head, along trail 61 Comment
  HSC16236  Clarkia amoena J. P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, S of point of the Cape 3 Comment
  CAS-BOT-BC160956  Clarkia amoena subsp. amoena Doris K. Kildale 1926-6-27 2184 Humboldt McClellan Mountain 822 Comment
  POM256477  Clarkia amoena subsp. amoena Joseph P. Tracy 1938-6-17 15957 Humboldt Cape Mendocino, near the ocean shore, south of point of the Cape 3 Comment
  RSA13761  Clarkia amoena subsp. huntiana Carl B. Wolf 1927-8-29 1199 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  HSC8649  Clarkia amoena subsp. huntiana Thomas W. Nelson, James Nelson 1975-9-3 2191 Humboldt Along N side of Ashfield Butte Comment
  SDSU8656  Clarkia amoena subsp. huntiana D. F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. Comment
  CAS-BOT-BC164180  Clarkia concinna Harley P. Chandler 1901-6-1 1325 Humboldt Hupa Indian Reservation 152 Comment
  HSC32855  Clarkia concinna subsp. concinna Thomas W. Nelson, James Nelson 1973-5-28 938 Humboldt McKeown Ranch N of Dinsmore Comment
  UC594154  Clarkia concinna subsp. concinna S. K. Harris, J. P. Tracy 1936-6-10 3265 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  HSC35011  Clarkia davyi Thomas W. Nelson 1974-9-15 1715 Humboldt W of Fairhaven, Samoa Peninsula 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
  SEINET12189257  Clarkia purpurea J. P. Tracy 1950-1 18809 Humboldt Fort Seward Ranch Comment
  UC702560  Clarkia purpurea C. C. and S. K. Harris, J. P. Tracy 1942-6-22 1261 Humboldt 7 mi n and 5 mi e Willow Creek 165 Comment
  CAS-BOT-BC172502  Clarkia purpurea subsp. quadrivulnera L. R. Abrams 1916-7-11 6028 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC172391  Clarkia purpurea subsp. viminea S. K. Harris; J. P. Tracy 1936-6-10 3277 Humboldt Hills west of the South Fork of the Trinity River near its mouth 640 Comment
  HSC100898  Claytonia caroliniana var. sessilifolia Carl C. Marshall Jun 1886 280 Humboldt Trinity Summit. Comment
  SEINET196688  Claytonia cordifolia H. E. Parks, JP Tracy 1949-6-25 11680 Humboldt Trinity Summit at Box Camp 1460 Comment
  JEPS43314  Claytonia exigua subsp. exigua W. L. Jepson 1902-6-20 1903 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC494113  Claytonia parviflora subsp. parviflora H. E. Parks, J. P. Tracy 1930-5-25 877 Humboldt Laribee Valley Comment
  HSC17686  Claytonia perfoliata Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  SEINET196691 Image available Claytonia perfoliata subsp. intermontana Joseph P. Tracy 1949-6-6 18306 Humboldt Trinity Summit Range; Happy Camp Mt., NE of Hawkins Bar. 1280 Comment
  CAS-BOT-BC440091  Claytonia perfoliata subsp. perfoliata J. M. Miller 1974-6-3 367 Humboldt Horse Mountain, ca. 150 m N. of the junction between Forest Rds. 5N10 and 6N01. On the road shoulder of 5N10. 1371 Comment
  HSC34256  Claytonia rubra subsp. depressa A. Montalvo 1975-5-24 280 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC78609  Claytonia rubra subsp. depressa L. P. Janeway, K. Berg, Paul Wilson 1985-1-19 1197 Humboldt N Spit of Humboldt Bay, BLM Wallflower Protection Area 5 Comment
  HSC96937  Claytonia rubra subsp. rubra Elizabeth Kimbrough, Whitney Meier 2007-6-13 7 Humboldt Grouse Mtn., 1 mi. E of NF1 on FS Rd. 5N04 1524 Comment
  HSC17754  Claytonia saxosa D. E. Anderson 1967-6-10 4366 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  CAS-BOT-BC443902  Claytonia sibirica Doris Kildale 1931-5-10 10572 Humboldt Snow Camp Comment
  HSC101994  Claytonia sibirica M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 893 Humboldt Patterson Meadows 1566 Comment
  HSC17726  Claytonia sibirica D. E. Anderson 1961-10-1 1855 Humboldt E side of Freshwater Lagoon Comment
  POM118717  Claytonia sibirica Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC13660  Claytonia sibirica Chesnut and Drew 1888-7-8 Humboldt Arcata Comment
  RSA117678  Claytonia sibirica S. S. Tillett 1956-7-7 628 Humboldt Upper end of Pearch Creek Campground, Six Rivers National Forest Orelans. Comment
  SFV1197  Claytonia sibirica J. Turner, F. M. Ball 1962-7-9 s. n. Humboldt Beside scenic Redwood Highway about 2 miles south of junction with freeway, 40 miles north of Mendocino-Humboldt county line. Comment
  CAS-BOT-BC499343  Clintonia andrewsiana Marcus E. Jones 1924-4-28 s. n. Humboldt Scotia Comment
  UC14994  Clintonia andrewsiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5496 Humboldt between Camp Grant and Pepperwood; North Coast Ranges Comment
  JEPS6293  Collinsia grandiflora Joseph P. Tracy 1930-6-21 8781 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  HSC40014  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1976-7-1 2915 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC56411  Collinsia greenei Griswold, Butler 1979-7-11 7045 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC99026  Collinsia linearis Cara Witte 2008-7-1 788 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  RSA30612  Collinsia linearis Lincoln Constance, R. C. Rollins 1942-5-12 2888 Humboldt Klamath River 10 miles northeast of Weitchpec. 122 Comment
  UC198584  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1916-5-2 4685 Humboldt Northern Coast Ranges, Eureka, lower slopes of Buck Mountain Buck Mountain; Northern Coast Ranges, Eureka, Buck Mountain 762 Comment
  HSC56220  Collomia grandiflora G. L. Clifton, Griswold 1979-8-2 12247 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC146170  Collomia grandiflora Joseph P. Tracy 1908-6 2932 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  UC1222736  Collomia grandiflora Joseph P. Tracy 1950-7-6 19029 Humboldt 3 mi s Burr Valley; Sprosten's Place 1066 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
  HSC70399  Collomia heterophylla M. A. Baker 1980-6-7 1851 Humboldt Near Ammon Creek 115 Comment
  UC52547  Collomia heterophylla Mrs. M. H. Manning June, 1902 Humboldt Hupa Comment
  UC52647  Collomia heterophylla Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC60861  Collomia heterophylla Mrs. M. H. Manning April, 1901 Humboldt Hupa Comment
  UC1197859  Collomia tinctoria Joseph P. Tracy 1941-8-24 17044 1/2 Humboldt openings in forest near McKay Camp; South Fork Mountain 1676 Comment
  HSC16936  Collomia tracyi J. P. Tracy 1927-6-12 8161 Humboldt Horse Mtn. 1067 Comment
  HSC55318  Collomia tracyi Griswold, Butler 1979-7-10 7105 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC56227  Collomia tracyi G. L. Clifton, Griswold 1979-8-2 12281 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC133660  Collomia tracyi Joseph P. Tracy 1908-6 2837 Humboldt nw talus slope Northern Coast Ranges, Buck Mountain 914 Comment
  UC978533  Collomia tracyi Joseph P. Tracy 1927-6-12 8161 Humboldt in slide rock Northern Coast Ranges, Horse Mountain 1066 Comment
  UC127716  Conyza canadensis Harley P. Chandler May 1901 1241 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  HSC103687  Coptis laciniata M. R. Mesler, Jen Kalt 2008-3-19 858 Humboldt Above Mattole River, 2 miles S of Thorn Junction on Briceland-Thorn Rd 226 Comment
  HSC44517  Corallorhiza maculata Brad Klipfel 1973-7-1 125 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS8448  Corallorhiza maculata Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3421 Humboldt Snow Camp Bald Mountain ridge (edge of meadow, ridge between Mad River and Redwood Creek) 1432 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
  UC14974  Corallorhiza mertensiana Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5625 1/2 Humboldt Bald Mt. Northern Coast Ranges Comment
  CAS-BOT-BC101139  Corethrogyne filaginifolia J. Burtt Davy 1899-6-30 6185 Humboldt near Ferndale, n. Coast Ranges Comment
  UC1199416  Corethrogyne filaginifolia J. P. Tracy 1900-7-4 872 Humboldt opp. Eureka; Samoa Comment
  RSA46901  Cornus californica Doris K. Kildale 1925-6-27 769 Humboldt Yager - near mouth. Comment
  CAS-BOT-BC212007  Cornus nuttallii John McLaren 1920-9-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC212014  Cornus nuttallii Doris K. Kildale 1927-5-13 3133 Humboldt Lord Ellis Road near Bald Mountain junction. Comment
  RSA15577  Cornus nuttallii C. B. Wolf 1927-8-28 1165 Humboldt In the valley of the Hoopa Indian Reservation. Comment
  UC1196902  Cornus nuttallii Joseph P. Tracy 1934-8-24 13597 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  SEINET12136798  Cornus nuttallii J. P. Tracy 1950-1 19384 Humboldt Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC212180  Cornus sericea Joseph P. Tracy 1927-11-6 8392 Humboldt Along yager Creek, Carlotta 60 Comment
  HSC38434  Cornus sericea subsp. occidentalis J. P. Smith 1976-10-30 8999 Humboldt Mad River, E of Essex Ln. exit. Comment
  UC1051594  Cornus sericea subsp. sericea Joseph P. Tracy 1948-9-2 18201 Humboldt head of Little Hors-Linto Creek (Trinity Summit); , Little Hors-Linto Creek 1371 Comment
  JEPS50175  Cornus sessilis W. L. Jepson 1902-7-11 2014 Humboldt river bank of S. Fork Trinity R., Martin's Ranch S. Fork Trinity R., Martin's Ranch Comment
  RSA309624  Cornus sessilis W. Wisura 1983-9-2 3929 Humboldt 6 mi W of Willow Creek, at East Fork campground, along Hwy 299. Comment
  RSA46468  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat. Comment
  UC1199210  Coronopus didymus Joseph P. Tracy 1932-10-30 10901 Humboldt Eel River, Alton to Fortuna Eel River; Northern Coast Region, Eel River 15 Comment
  UC1199211  Coronopus didymus Joseph P. Tracy 1901-7-31 1234 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  HSC6682  Coronopus didymus Lincoln Constance 1934-6-18 902 Humboldt S Fork Eel River, border of N Dyerville Flat, near S Fork RR Station and PO Comment
  CAS-BOT-BC180303  Corylus cornuta subsp. californica Joseph P. Tracy 1949-8-11 18486 Humboldt near Snow Camp (1 1/2 mi SE) 1341 Comment
  HSC31123  Corylus cornuta subsp. californica J. O. Sawyer 1970-6-24 2260 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  CAS-BOT-BC176451  Cotoneaster simonsii Peter F. Zika 2007-7-19 23174 Humboldt Hookton Road, S end of Humboldt Bay, (NCo, North Coast) 10 Comment
  CAS-BOT-BC291341  Cotula coronopifolia C. L. Hitchcock; J. S. Martin 1939-7-14 5434 Humboldt Above pier at Shelter Cove Comment
  HSC77512  Crassula connata K. Berg 1984-4-8 520 Humboldt South spit of Humboldt Bay, 1.4 mi. S of South Jetty, E of road Comment
  HSC104401  Crataegus gaylussacia Jim McIntosh 2012-5-22 Humboldt Klamath Mountains; southern Siskiyou Mtns., adjacent to north side of State Route 169 at Milepost 22.09; 200 ft. above Klamath River. 96 Comment
  CAS-BOT-BC291493  Crepis capillaris Alice Eastwood 1921-7-21 10657 Humboldt Carlotta Comment
  UC164829  Crepis capillaris J. P. Tracy 1909-7-4 3005 Humboldt Immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC291484  Crepis capillaris Roxana S. Ferris 1955-7-11 12977 Humboldt Near Blue Lake Comment
  CDA4466  Crepis capillaris T. R. Haig 1960-6-2 Humboldt 1mile west of Rio Dell, Humbolt Co., CA. 0 Comment
  UC1364266  Crocosmia X crocosmiiflora T. C. Fuller 1968-7-30 17446 Humboldt 1 mi s Fields Landing (nw corner of overpass of Hwy 101 freeway to Garberville) Comment
  HSC98004  Cryptantha affinis Cara Witte 2007-7-20 552 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  HSC99133  Cryptantha affinis Cara Witte 2007-5-29 139 Humboldt Along National Forest 1 near Kinsey Ridge. 1/2 mile south of cattle guard. 1369 Comment
  UC1239661  Cryptantha affinis Joseph P. Tracy 1937-7-25 15546 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC1222276  Cryptantha flaccida Joseph P. Tracy 1950-6-15 18810 Humboldt n of Harris (Fort Seward Ranch); Mail Ridge Comment
  UC1239660  Cryptantha leiocarpa Joseph P. Tracy 1932-5-16 10105 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UCSB14885  Cryptantha leiocarpa 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC1222272  Cryptantha milobakeri Joseph P. Tracy 1949-8-11 18469 Humboldt 2 to 6 mi s Grouse Mt. (e of headwaters of Redwood Creek, electric power line southward); Kinsey Ridge 1280 Comment
  UC1222273  Cryptantha milobakeri Joseph P. Tracy with Dr. S. K. Harris 1942-6-23 17221 Humboldt e side Hoopa Valley (foot of Trinity Summit Road); Trinity Summit, Hoopa Valley Comment
  HSC57211  Cryptantha torreyana Griswold, Butler 1979-7-12 7246 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  SBBG28775  Cryptantha torreyana L. Constance, R. C. Rollins 1942-5-11 Humboldt Hoopa Valley 5 mi S of Hoopa 121 Comment
  UC175791  Cryptantha torreyana Joseph P. Tracy 1909-8-1 3071 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC525598  Cryptantha torreyana Joseph P. Tracy 1930-6-15 8751 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  HSC70813  Cryptogramma acrostichoides Gail Newton 1980-7-24 1779 Humboldt Near Somes Mtn. 1615 Comment
  MACF017398  Cupressus macrocarpa Trudy R. Ericson 1974-8-6 204 Humboldt Off U.S. 101, exit to Patrick's Beach State Park, near Seaward Drive. Comment
  HSC6387  Cuscuta arvensis J. P. Tracy 1933-8-25 12996 Humboldt Centerville Beach, near mouth of Eel R. 6 Comment
  POM318827  Cuscuta salina Patricia Wilder 1968-8-21 4416 a Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  UCD127353  Cyclospermum leptophyllum Joseph P. Tracy 1946-6-13 17613 Humboldt 5 miles east of Carlotta. 30 Comment
  UC177208  Cynoglossum grande Joseph P. Tracy 1913-6-20 4229 Humboldt opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  RSA10069  Cynosurus echinatus Joseph P. Tracy, H. E. Parks 1933-6-11 12542 Humboldt Near Miranda 152 Comment
  SBBG53060  Cynosurus echinatus R. N. Philbrick, J. R. Haller 1976-6-25 4 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC1145090  Cynosurus echinatus Joseph P. Tracy 1941-6-29 16920 Humboldt McClellan Mt. 762 Comment
  UC1145091  Cynosurus echinatus Joseph P. Tracy 1947-6-8 17708 Humboldt 5 mi e Carlotta (by old Strong's District School House); e of Carlotta 60 Comment
  CAS-BOT-BC114624  Cyperus eragrostis Joseph Prince Tracy 1935-7-17 14099 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  HSC7216  Cyperus eragrostis J. P. Tracy 1935-7-17 14099 Humboldt Trinity River Valley at Willow Creek 152 Comment
  POM89790  Cyperus erythrorhizos Joseph P. Tracy 1920-8-15 5364 Humboldt Klamath River, at mouth of Bluff Creek 152 Comment
  HSC36651  Cypripedium californicum J. D. Ackerman 1975-6-18 469 Humboldt 2.7 mi E of Berry Summit, Hwy. 299 W of Willow Creek . Comment
  HSC54527  Cypripedium californicum Overton, Butler 1979-7-23 9466 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  RSA382009  Cypripedium montanum Ryan 1917-6-10 s.n. Humboldt Hoopa Indian Reservation Comment
  HSC98728  Cystopteris fragilis Cara Witte 2007-7-20 563 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1460 Comment
  UC503060  Cystopteris fragilis Joseph P. Tracy 1932-7-17 10685 Humboldt head of Devil's Hole Trinity Summit; Klamath Mts. 1828 Comment
  CAS-BOT-BC70542  Cystopteris fragilis Ira L. Wiggins 1957-6-21 14138 Humboldt E side of road, 1 mi. S of Garberville Comment
  CDA36734  Cytisus scoparius Richard R. Halse 2010-3-25 7856 Humboldt Along U.S. Hwy 101 ca. 9.7 miles south of Orick. Comment
  CHSC19747  Cytisus scoparius Gary J. Stebbings 1970-2-2 1 Humboldt Along Big Lagoon Park road across from the store. Comment
  HSC11996  Cytisus scoparius D. La Conte 1970-7-7 21 Humboldt On Walnut Ave. at intersection with Campton Rd. Comment
  HSC40373  Cytisus scoparius Linda M. Barker 1976-3-11 1322 Humboldt 3 mi. W of Arcata Comment
  HSC89445  Cytisus scoparius P. A. Daly 1984-5-13 20 Humboldt Along trail at Trinidad Head 61 Comment
  RSA783324  Cytisus scoparius R. R. Halse 2010-3-25 7856 Humboldt Along US Hwy 101 ca. 9.7 miles S of Orick. 5 Comment
  SEINET8477238  Cytisus scoparius D. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of snowline fox farm (Larabee Valley 7 1/2 USGA quadrangle placename), vicinity of the road crossing of Knack Creek 341 Comment
  UCD105685  Cytisus scoparius R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  HSC72622  Danthonia californica J. P. Smith 1977-7-3 9231 Humboldt On Forest Service Road 13N01 to Fish Lake, 3.5 mi. from its junction with Highway 36 488 Comment
  HSC9552  Danthonia californica J. P. Tracy 1927-7-4 8234 Humboldt Lone-Star Creek, Iagua. 610 Comment
  HSC98940  Danthonia californica Cara Witte 2007-6-21 330 Humboldt White Oak Opening. Along Kinsey Ridge. 1259 Comment
  UC526686  Danthonia californica var. americana Joseph P. Tracy 1931-5-31 9548 Humboldt Kneeland Prairie Northern Coast Ranges 792 Comment
  HSC98849  Danthonia unispicata Cara Witte 2008-7-11 870 Humboldt Horse Mountain Botanical Area. 1/2 mi. south from intersection of National Forest 1, Forest Service Roads 6N38 and 6N36. 1413 Comment
  UC303173  Darmera peltata Joseph P. Tracy 1923-4-15 6180 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 Comment
  BLMAR238  Datisca glomerata Jennifer Anthony-Wheeler 1997-6-13 238 Humboldt King range, growing in wet seep along old queen mine rd 512 Comment
  HSC38880  Daucus carota J. P. Smith 1971-10-9 4991 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  JEPS15999  Daucus pusillus W. L. Jepson 1902-6 1963 Humboldt Redwood Creek, Hupa Rd. Comment
  CHSC79694  Delairea odorata Gordon Leppig 2000-2-15 1284 Humboldt McKinleyville. School Road 1/2 mile west of Central Ave. UTM zone 10, 4532N, 406E. 30 Comment
  UCD95699  Delphinium decorum K. Esau 1934-5-7 s.n. Humboldt Near Blocksburg 609 Comment
  UC668272  Delphinium glaucum Joseph P. Tracy 1935-7-25 14241 Humboldt lower end Brett Hole (along streams); Trinity Summit 1584 Comment
  UC161541  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1911-7-7 3376 Humboldt meadows on mountainside 3 mi nw junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC1196311  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1932-6-14 10146 Humboldt open hillside near South Fork; Northern Coast Ranges, Trinity River Valley 304 Comment
  HSC25013  Delphinium nudicaule R. A. Rasp 1964-4-5 28 Humboldt 5 mi. N of Hoopa on Willow Creek Rd. Comment
  HSC27071  Delphinium nudicaule Clifton Raymond Chesbrough 1971-4-11 8 Humboldt 1.0 mi. E of Salyer on Hwy. 299, along Trinity River Comment
  HSC64040  Delphinium nudicaule Carl Wishner 1978-5-1 467 Humboldt Along Hwy. 299, 3 mi. E of Berry Summit Comment
  SD37307  Delphinium nudicaule Marie Cummings 1933-5-22 109 Humboldt Near Blockburg Comment
  UC184715  Delphinium nudicaule Joseph P. Tracy 1913-6-14 4128 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  HSC24424  Delphinium trolliifolium R. Spellenberg 1965-6-14 1131 Humboldt 3.5 mi. S of Kneeland, 1.5 mi. N of junction with Barry Rd. Comment
  UC1196338  Delphinium trolliifolium Joseph P. Tracy 1933-5-20 12269 Humboldt hillsides Northern Coast Ranges, Bear River Ridge 609 Comment
  UC503036  Delphinium trolliifolium Joseph P. Tracy 1929-7-4 8638 Humboldt near Coyote Peak; Northern Coast Ranges, French Camp Ridge 1066 Comment
  UC184160  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1912-6-16 3700 Humboldt edge of salt marsh at Hookton; Northern Coast Region, area about Humboldt Bay 0 Comment
  HSC98587  Deschampsia danthonioides Cara Witte 2008-7-16 921 Humboldt Mud Lake. Off National Forest 1, near Buck Flat. 1569 Comment
  UC1103220  Deschampsia danthonioides Joseph P. Tracy 1912-7-31 3896 Humboldt n.w. slope Buck Mt.; Northern Coast Ranges, Burr Valley, Buck Mt. 1066 Comment
  CAS-BOT-BC201779  Deschampsia elongata H. E. Parks 1931-5-1 3646 a Humboldt Big Lagoon Comment
  HSC26662  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-14 3830 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC1131461  Deschampsia elongata H. S. Yates 1936-6-17 5706 Humboldt lower n.w. slope of Buck Mt.; South Fork Peak Quad. Comment
  UC1196310  Dicentra formosa Joseph P. Tracy 1926-4-11 7404 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC12427  Dicentra formosa Gary J. Stebbins 1970-4-19 72 Humboldt Along road to Fieldbrook 2.8 mi. N of Hwy. 299 Comment
  CAS-BOT-BC402402  Dicentra formosa subsp. formosa Mrytle Paulson 1918-4-18 s.n. Humboldt Eureka Comment
  CAS-BOT-BC402407  Dicentra formosa subsp. formosa L. R. Abrams; R. Bacigalupi 1922-6-25 8284 Humboldt Big Lagoon south of Orick Comment
  CAS-BOT-BC402414  Dicentra formosa subsp. formosa N. Wynne; M. Peckham; J. Bamesberger 1994-5-6 41 Humboldt Intersection of Hwy 299 and Redwood Valley Rd on south side of Hwy 299 609 Comment
  UCD95519  Dicentra formosa subsp. formosa P. B. Kennedy 1929-6-14 s.n. Humboldt Arcata, Range of California Barrel Co. Comment
  UC1103020  Dicentra pauciflora Joseph P. Tracy Jul 16 1930-Jul 19 1930 9019 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Range, South Fork Mountain 1676 Comment
  CAS-BOT-BC254483  Dichanthelium acuminatum subsp. acuminatum Henry M. Pollard 1948-9-18 s.n. Humboldt Banks of Klamath River, Orleans Comment
  POM126098  Dichanthelium acuminatum var. fasciculatum Joseph P. Tracy 1900-8-26 925 Humboldt At Eureka 0 Comment
  HSC72619  Dichelostemma ida-maia J. P. Smith 1977-7-3 9237 Humboldt Six Rivers National Forest, on Rd. to Onion Lake, 4.7 mi. from junction with Hwy. 36 610 Comment
Read comments
Sep 27 2011
  HSC98708  Dichelostemma ida-maia Cara Witte 2007-6-14 274 Humboldt Along National Forest 1. Near Kinsey Ridge. 2 miles north of intersection with 4N06. 1319 Comment
  CAS-BOT-BC501019  Dichelostemma ida-maia L. R. Abrams 1918-6-16 7135 Humboldt Willow Creek Comment
  CAS-BOT-BC501025  Dichelostemma ida-maia M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  SEINET8476733  Dichelostemma ida-maia M. J. Williams 1969-5-23 s.n. Humboldt Bald Hills. 152 Comment
  SEINET3885767  Dichelostemma pulchellum Mary Merello, H. H. Schimdt; L. Woodruff 1993-6-19 662 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest.; 0 90 Comment
  UCR275099  Digitalis purpurea Charity A. Hartshorn 2016-4-24 18 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  POM273546  Digitalis purpurea Lyman D. Benson 1928-7-10 523 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  SD92990  Digitalis purpurea Walter Bertsch 1953-7-30 227 Humboldt Redwood forest along highway 101 near Dyerville. 60 Comment
  CAS-BOT-BC150343  Diplacus aurantiacus Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC150345  Diplacus aurantiacus C. C. Harris; S. K. Harris 1936-6-9 s.n. Humboldt Above Carlotta 60 Comment
  UC146198  Disporum hookeri Joseph P. Tracy 1908-6-9 2663 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS61828  Disporum smithii Lincoln Constance 1934-5-31 753 Humboldt South Fork Eel River, along n side of Bull Creek, from w boundary of Park to Grasshopper Peak (Squaw Creek) Road, Bull Creek; Bull Creek Region, South Fork Eel River, Bull Creek Comment
  SDSU11887  Disporum smithii Harvey 1938-8-13 2243 Humboldt Humbolt State Redwood Park Comment
  OBI36623  Distichlis spicata David J. Keil 1983-7-2 17298 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard Comment
  UCR32182  Distichlis spicata David J. Keil 1983-7-1 17286 Humboldt Pacific Coast, c. 5 mi. west of Petrolia along Mattole Road 225 Comment
  RSA46481  Dodecatheon hendersonii Doris K. Kildale 1927-3-20 2908 Humboldt Phillipsville Comment
  UC1199178  Draba verna Joseph P. Tracy 1933-5-18 12191 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  UC183604  Drosera rotundifolia Mrs. Alma Bonstell 1912-8-5 Humboldt Christmas Prairie Northern Coast Ranges 914 Comment
  HSC59622  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-6-30 4148 Humboldt Comment
  CAS-BOT-BC159616  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1926-4-30 1945 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  UC492181  Drymocallis glandulosa var. wrangelliana Joseph P. Tracy 1927-6-18 8181 Humboldt three mi s of point Cape Mendocino (southwestern slopes, fronting the ocean); Northern Coast Ranges, Cape Mendocino 3 Comment
  UC249767  Dryopteris arguta Joseph P. Tracy 1924-12-7 6927 Humboldt Hydesville; Northern Coast Ranges 91 Comment
  UC727117  Dudleya farinosa A. A. Heller 1924-7-10 16164 Humboldt near Trinidad (Moonstone Beach) Comment
  UC666876  Eleocharis acicularis Joseph P. Tracy 1937-8-12 15626 Humboldt Lake Prairie Bald Mountain (edge of bog) 1066 Comment
  RSA12430  Eleocharis acicularis var. acicularis Carl B. Wolf 1934-7-2 5864 Humboldt At edge of small lake at Snow Camp. (Mts. east of Korbel). 1372 Comment
  CHSC33040  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt In drainage ditch along east side of State Route 101 just north of the Eureka Airport. Comment
  UC1100710  Eleocharis pachycarpa Malcolm A. Nobs and S. Galen Smith 1949-8-11 1346 Humboldt marshes on eastern side of Big Lagoon Comment
  HSC75262  Elymus glaucus J. O. Sawyer, M. A. Erickson 1980-8-18 4056 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  UC212860  Elymus glaucus Joseph P. Tracy 5282 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  SEINET10554247  Elymus glaucus Harold E. Parks, Joseph P. Tracy 1934-6-14 Parks 11026 Humboldt Horse Mountain. In chparral. 1372 Comment
  HSC9731  Elymus mollis subsp. mollis D. B. Bader 1963-5-1 16 Humboldt Clam beach Lagoons, W of Hwy. 101. Along railroad tracks. Comment
  RSA293103  Elymus multisetus J. P. Smith 1977-7-3 9256 Humboldt Six Rivers National Forest. Along Forest Service Road 13N01, 3 miles from its junction with State Route 36. 549 Comment
  UC187090  Elymus multisetus Joseph P. Tracy 1908-6 2691 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC573853  Elymus multisetus H. S. Yates 1936-6-17 5722 Humboldt near Burr Valley; South Fork Pk. Quadrangle Comment
  SEINET200933  Elymus trachycaulus subsp. trachycaulus J. P. Tracy 1912-7-27 3885 Humboldt Kneeland prairie 762 Comment
  UC1103294  Elytrigia repens Joseph P. Tracy 1937-8-13 15663 Humboldt Loleta 9 Comment
  HSC99054  Epilobium brachycarpum Cara Witte 2008-7-30 979 Humboldt National Forest 1. 2 miles north of intersection with Forest Service Road 4N09. 1267 Comment
  UC583060  Epilobium brachycarpum P. A. Munz 1936-8-10 14337 Humboldt 15 mi e Bridgeville (roadside); Little Van Duzen River Comment
  HSC76188  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9781 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  POM225267  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-9 14330 Humboldt South fork of Eel River, 5 miles north of Humboldt-Mendocino County line, on Redwood Highway Comment
  UC1197010  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1909-9-19 3098 Humboldt opp. Eureka (ocean beach); Samoa Comment
  UC1197011  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1903-8-9 1934 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC79497  Epilobium ciliatum subsp. ciliatum Kenneth Clark 1979-6-30 453 Humboldt Dead Man's Gulch 8 Comment
  UC583078  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-10 14340 Humboldt 15 mi e Bridgeville; Little Van Duzen River Comment
  JEPS31496  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1935-7-25 14228 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC562508  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1935-8-25 14228 Humboldt Corral Prairie Trinity Summit (in meadow) 1584 Comment
  HSC103266  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-11 Humboldt Six Rivers National Forest, Trinity Mountain Quad, Lower Trinity District, Crogan Hole. 1616 Comment
  HSC16348  Epilobium ciliatum subsp. watsonii Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC55207  Epilobium glaberrimum Walter Overton 1979-8-1 12326 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC102565  Epilobium glaberrimum subsp. glaberrimum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1552 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC98676  Epilobium hornemannii subsp. hornemannii Cara Witte 2007-6-21 324 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  RSA256576  Epilobium minutum D. E. Anderson 1972-6-20 5747 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  UC1198479  Epilobium minutum Joseph P. Tracy 1933-7-25 12839 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  CHSC12021  Epilobium septentrionale R. N. Bowman 1971-9-12 52 Humboldt Located ca. 1.7 mi se of Myers Flat off of Hwy 101. Ca. 4 ft. above s fork Eel River on e bank. 1066 Comment
  HSC97437  Equisetum arvense Ivy Watson 2008-10-5 38 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  CAS-BOT-BC57231  Equisetum laevigatum H. E. Parks; Joseph P. Tracy 1927-4-24 7925 Humboldt Eureka 6 Comment
  UC503078  Equisetum laevigatum H. E. Parks and Joseph P. Tracy 1927-4-24 7925 Humboldt Eureka along R.R. track Eureka; Northern Coast Ranges 6 Comment
  CAS-BOT-BC57794  Equisetum telmateia Carl B. Wolf 1927-8-28 1181 Humboldt Salt MarshEureka Bay, on road to Arcata. Comment
  HSC70639  Equisetum telmateia subsp. braunii R. York 1980-5-18 594 Humboldt Near Black Mtn 792 Comment
  RSA44454  Eragrostis cilianensis Henry M. Pollard 1947-8-30 s.n. Humboldt Klamath River at Wilson Creek, near Orleans Comment
  POM161049  Eragrostis hypnoides Joseph P. Tracy 1920-8-15 5367 Humboldt Klamath River, at mouth of Bluff Creek 152 Comment
  RSA53832  Eragrostis hypnoides Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  CAS-BOT-BC213622  Eragrostis mexicana subsp. virescens Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC278517  Eragrostis pilosa var. pilosa Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region Comment
  HSC5493  Erechtites glomeratus J. W. Johnson 1962-4-18 1261 Humboldt Arcata; N of the Hunt and Bull Farms, Samoa Peninsula Comment
  HSC91918  Erechtites minimus E. Mackey 1986-7-21 Humboldt Patricks Point State Park, near Wedding Rock Comment
  HSC57889  Eremogone congesta var. suffrutescens Overton, Butler 1979-7-31 11446 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  CAS-BOT-BC174278  Eremogone congesta var. suffrutescens Doris K. Kildale 1925-8-17 1243 Humboldt Waterdog Lake - Trinity Summit 1828 Comment
  UC1199413  Ericameria nauseosa var. speciosa Joseph P. Tracy 1935-7-30 14360 Humboldt Salmon Summit 1767 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
  UC583067  Erigeron biolettii P. A. Munz 1936-8-9 14331 Humboldt 5 mi n Humboldt-Mendocino county line; south fork Eel 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
  HSC39954  Erigeron glaucus Linda M. Barker 1976-6-22 1616 Humboldt 3 mi. W of Arcata Comment
  HSC5524  Erigeron glaucus J. W. Johnson 1961-8-17 1036 Humboldt Dune fields of W.M. Lanphere Farm, Samoa Peninsula Comment
  SBBG52999  Erigeron glaucus J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  HSC31557  Erigeron glaucus Glenn McGourty 1974-4-27 32 Humboldt Along side of Mattole River Comment
  HSC48815  Erigeron inornatus var. inornatus Brad Klipfel 1973-7-31 229 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC97812  Erigeron maniopotamicus Cara Witte 2007-6-22 339 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1/5 mile after intersection with 4N38. 1486 Comment
  CAS-BOT-BC214589  Erigeron philadelphicus Mrs. E. C. Sutliffe 1927-6-1 s.n. Humboldt Bull Creek Comment
  UC202679  Erigeron philadelphicus var. philadelphicus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  UCD20387  Erigeron philadelphicus var. philadelphicus K. Esau 1935-5-22 s.n. Humboldt Fort Seward. Comment
  JEPS21928 Image available Erigeron robustior J. P. Tracy 1932-6-26 10252 Humboldt valley of South Yager Creek, Humboldt Co. 762 Comment
  SEINET11851212  Erigeron strigosus H. P. Chandler 1901-1 1402 Humboldt Klamath River, North Coast Ranges 244 Comment
  JEPS27  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Summit of Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  HSC100720  Eriodictyon glutinosum Carl C. Marshall Jun 1886 303 Humboldt Pine Creek and E of Hoopa. Comment
  UC672919  Eriogonum compositum var. compositum Joseph P. Tracy 1932-7-12 10460 Humboldt head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  CAS-BOT-BC259150  Eriogonum latifolium Marcus E. Jones 1931-7-12 28806 Humboldt Alton Comment
  HSC26876  Eriogonum latifolium Clifton Raymond Chesbrough 1973-6-19 80 Humboldt 1/4 mi. W of the Samoa entrance to Samoa Bridge Comment
  RSA65140  Eriogonum latifolium F. W. Peirson 1923-7-11 3713 Humboldt 6 miles north of Eureka Comment
  CDA39221  Eriogonum luteolum D. Juliano 2013-8-1 PDR# 120 P06003640 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  CAS-BOT-BC259529  Eriogonum luteolum var. luteolum Henry M. Pollard 1945-8-25 s.n. Humboldt Between Orleans & Camp Creek, Klamath River Canyon Comment
  CAS-BOT-BC259534  Eriogonum luteolum var. luteolum Alice Eastwood 1921-7-21 10677 Humboldt Vanduzen [Van Duzen] River Comment
  HSC98381  Eriogonum luteolum var. luteolum R. Sutherland 1976-8-24 6 .24876 Humboldt 543 Comment
  HSC55189  Eriogonum nudum G. L. Clifton, Griswold 1979-8-2 12253 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1198141  Eriogonum nudum var. nudum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9040 Humboldt near Blake lookout (along summit of South Fork Mountain); South Fork Mountain 1737 Comment
  UC54702  Eriogonum nudum var. nudum Harley P. Chandler 1901-6-1 1350 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC1198140  Eriogonum nudum var. nudum Joseph P. Tracy 1930-7-4 9929 Humboldt near. on raod from Bull Creek to Mattole Windy Nip Gap 762 Comment
  CAS-BOT-BC267970  Eriogonum umbellatum var. argus Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1676 Comment
  HSC32550  Eriogonum umbellatum var. nelsoniorum Thomas W. Nelson 1973-7-10 1032 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  HSC97920  Eriogonum umbellatum var. umbellatum Cara Witte 2007-6-14 270 Humboldt Along National Forest 1. Near Kinsey Ridge and cattle guard. 3 miles north of intersection with 4N09. 1393 Comment
  OBI36670  Eriophyllum lanatum David J. Keil 1983-7-2 17314 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit Rd Comment
  HSC97466  Eriophyllum lanatum var. achilleoides Cara Witte 2007-5-29 129 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  RSA15568  Eriophyllum lanatum var. arachnoideum C. B. Wolf 1927-8-29 1193 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  UC1223134  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1944-7-3 17480 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC301685  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1933-8-6 12936 Humboldt French Camp Ridge 1066 Comment
  UC129579  Eriophyllum lanatum var. lanceolatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5711 Humboldt Hoopa Valley Comment
  UC582675  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1933-8-6 12936 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC302012  Eriophyllum staechadifolium Ynez Whilton Winblad 1941-6-27 s.n. Humboldt Between Eureka and Orick Comment
  CAS-BOT-BC301922  Eriophyllum staechadifolium Joseph P. Tracy 1918-7-1 4971 Humboldt Cape Mendocino. Southwestern slopes, fronting the ocean, three miles south of point of the cape 30 Comment
  UC176463  Eriophyllum staechadifolium Joseph P. Tracy 1913-7-13 4361 Humboldt Patrick's Point Patrick's Point (bluffs facing ocean) 30 Comment
  UC1199177  Erysimum capitatum Joseph P. Tracy 1927-6-12 8149 Humboldt Horse Mountain Northern Coast Ranges 1371 Comment
  UC10525  Erysimum capitatum J. Burtt Davy 1899-6-9 5365 Humboldt n Harris; North Coast Ranges, Chamise Ridge Comment
  UC673190  Erysimum capitatum Lincoln Constance and Reed C. Rollins 1942-5-12 2879 Humboldt 1 mi s Bluff Creek (5 mi ne of Weitchpec, road-cut); Klamath-Siskiyou region, Klamath River 121 Comment
  HSC53822  Erysimum capitatum var. capitatum Terry Griswold, Marvin Butler 1979-7-10 6266 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  CAS-BOT-BC54919  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt Ocean Beach at Humboldt Bay. Comment
  CAS-BOT-BC383156  Erythranthe guttata David B. Lowry 2005-5-16 KLM Humboldt In Klamath River Valley, roadside Hwy. 96 between Weitchpec and Orleans 227 Comment
  HSC44396  Erythronium californicum Brad Klipfel 1975-5-24 629 Humboldt Horse Mtn. Comment
  JEPS61844  Erythronium californicum Joseph P. Tracy May 1918 Humboldt Eureka Comment
  SEINET12054368  Erythronium grandiflorum J. P. Tracy 1950-1 18616 Humboldt 2 mi W of Dinsmore's, Buck Mountain, lower foothills of NW slope 762 Comment
  UC1541310  Erythronium purpurascens W. K. Parks July 1933 1397 Humboldt South Fork Mountain Comment
  POM169641  Erythronium revolutum H. P. Chandler 1901-06 1279 Humboldt Hupa Indian Reservation Comment
  RSA168935  Erythronium revolutum Joseph P. Tracy 1950-5-7 18650 Humboldt Near the Redwood House but on Yager Slope, head of South Yager Comment
  UC201282  Erythronium revolutum Joseph P. Tracy 1918-5-1 4896 Humboldt Ashfield Butte Northern Coast Ranges 762 Comment
  HSC45483  Eschscholzia californica Maralyn O'Meara 1974-7-11 534 Humboldt Kneeland, Barry Ridge Comment
  JEPS590  Eschscholzia californica Lincoln Constance 1934-5-23 615 Humboldt Look Prairie South Fork Eel River, Bull Creek region (upper end, sw slope) 365 Comment
  SEINET12102668  Eschscholzia californica J. P. Tracy 1950-1 18750 Humboldt Cape Mendocino. Sandy places at "Devil's Gate." S of point of the Cape 30 Comment
  HSC16115  Eucalyptus globulus J. W. Bosworth 1965-5-14 51 Humboldt 1 mi. N of Fairhaven on Samoa Comment
  UC1199359  Euchiton gymnocephalus Joseph P. Tracy 1938-6-15 15936 Humboldt vicinity Carlotta 30 Comment
  UC562613  Euchiton gymnocephalus Joseph P. Tracy 1936-3-22 14784 Humboldt 4 mi se Korbel (near Angels Ranch); North Coast Ranges 304 Comment
  UC204871  Euchiton sphaericus Joseph P. Tracy 1918-10-6 5118 Humboldt 2 mi se Sequoia Park (on Connick Claim road, at Eureka); Northern Coast Ranges, Eureka 0 Comment
  UC562473  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  POM160838  Euonymus occidentalis H. E. Parks, Joseph P. Tracy 1925-6-14 7123 Humboldt Kneeland Prairie road. 457 Comment
  UC165805  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1908-6 2866 Humboldt opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  HSC36589  Euphorbia peplus John Rehling 1975-5-4 55 Humboldt H.S.U. campus Comment
  CDA28953  Euphorbia virgata T. Chapple 2009-6-1 s.n. Humboldt Vicinity of Orleans, found on Klamath River access road. 0 Comment
  JEPS31926  Eurybia radulina Joseph P. Tracy 1921-10-16 5973 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC249850  Eurybia radulina Joseph P. Tracy 1924-8-10 6813 Humboldt at Blue Slide, on Van Duzen River Van Duzen River 91 Comment
  UC166500  Euthamia occidentalis Joseph P. Tracy 1905-10-1 2395 Humboldt near mouth of Elk River; Northern Coast Range, region about Humboldt Bay 0 Comment
  HSC9820  Festuca arundinacea D. E. Anderson 1961-9-13 1821 Humboldt Comment
  RSA183629  Festuca californica var. californica D. E. Anderson 1965-5-22 3721 Humboldt About 3 miles south of Bridgeville, on road to Blocksburg. Comment
  UC180494  Festuca idahoensis Joseph P. Tracy 1913-6-20 4239 Humboldt nw slope Buck Mountain (lower foothills); Northern Coast Ranges 762 Comment
  UC187103  Festuca idahoensis Joseph P. Tracy 1911-7-6 3338 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  BLMAR23  Festuca myuros Brad Barr June, 1982 23 Humboldt King range, Smith cabin Comment
  HSC98580  Festuca occidentalis Cara Witte 2007-5-23 95 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1391 Comment
  POM214838  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville. Comment
  UC53591  Festuca occidentalis H. P. Chandler 1901-1 1775 a Humboldt Humboldt Bay Comment
  UCD66132  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3466 Humboldt 2 miles west of Bridgeville, banks above Van Dusen River. Comment
  UCD66174  Festuca occidentalis Linda M. Barker 1976-6-14 1598 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UC184915  Festuca pratensis Joseph P. Tracy 1912-6-23 3706 Humboldt Eureka Northern Coast Region 0 Comment
  HSC9975  Festuca rubra R. I. Bonn 1965-5-7 24 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC9989  Festuca rubra R. H. Berg 1963-4-30 57 Humboldt 1 mi. N of Arcata, on Hwy. 101 Comment
  RSA256294  Festuca rubra J. R. Reeder, C. G. Reeder 1973-5-26 6185 Humboldt Ca. 2 miles S of Orick in Humboldt State Park. Comment
  UC1132021  Festuca rubra H. S. Yates 1936-6-17 5688 Humboldt 1 mi w Bridgeville; Dyerville Quad. 182 Comment
  UC176573  Festuca rubra Joseph P. Tracy 1912-7-7 3740 Humboldt Eureka North Coast Region 0 Comment
  CAS-BOT-BC278620  Festuca subulata Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  HSC100626  Fragaria californica Carl C. Marshall Mar 1886 142 Humboldt No data. Comment
  HSC18623  Fragaria chiloensis J. W. Johnson 1962-4-29 1300 Humboldt W.M. Lanphere Farm, Samoa Peninsula, Arcata. Comment
  SEINET11922532  Fragaria chiloensis T. L. Ashman, Koski, M. 2011-6-4 2 Humboldt Samoa Dunes Recreation Area Comment
  HSC44523  Fragaria vesca Brad Klipfel 1973-7-1 130 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC457924  Fragaria vesca subsp. californica Doris K. Kildale 1927-4-17 3100 Humboldt Briceland Bridge, 1/2 mi. west of Garberville. 114 Comment
  CAS-BOT-BC52734  Frangula californica subsp. californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of South Fork of Trinity River, on road to Sandy Bar Swimming Hole 243 Comment
  CAS-BOT-BC59953  Frangula purshiana M. S. Jussel 1931-5-2 s.n. Humboldt Eureka. Comment
  HSC18410  Frangula purshiana Francis Winter 1960-5-6 Humboldt Across from Azalea State Park Entrance Comment
  HSC18417  Frangula purshiana L. J. Coombes 1964-5-18 50 Humboldt 2.5 mi E of McKinleyville on Hwy. 299 Comment
  HSC63001  Frangula purshiana David Wheeler 1979-5-17 114 Humboldt Stagecoach Rd., 1 mi. from the Trinidad Post Office Comment
  UC249521  Fraxinus latifolia Joseph P. Tracy 1922-5-29 6060 Humboldt South Yager Creek Valley Northern Coast Ranges 762 Comment
  UC666944  Fritillaria affinis Joseph P. Tracy 1927-4-24 7941 Humboldt Table Bluff 152 Comment
  UC1197629  Fritillaria purdyi Joseph P. Tracy 1926-5-15 7488 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC32078  Galium ambiguum subsp. ambiguum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5596 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC32325  Galium aparine D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5666 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC32914  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 963 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC12787  Galium aparine M. J. Athey 1970-11-8 4 Humboldt Between Moonstone and Luffenholtz beaches on old Trinidad Rd., Trinidad Comment
  UC602507  Galium bolanderi Joseph P. Tracy 1927-5-15 8043 Humboldt near South Fork; Trinity River Valley 182 Comment
  UC602527  Galium californicum subsp. californicum Joseph P. Tracy 1936-6-27 15000 Humboldt Miranda South Fork Eel River 121 Comment
  JEPS52859  Galium californicum subsp. californicum Lauramay T. Dempster 1963-7-9 3849 Humboldt 4.4 mi s Bridgeville (on Hwy 36 to Dinsmore) 457 Comment
  UC1225912  Galium muricatum Joseph P. Tracy 1943-7-18 17429 Humboldt along Trinity Hwy Willow Creek Canyon 487 Comment
  UC416658  Galium muricatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5471 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  JEPS6616 Image available Galium nuttallii Joseph P. Tracy 1924-8-10 6816 Humboldt Blue Slide Van Duzen River; Blue Slide, on Van Duzen River, Humboldt Co. 91 Comment
  JEPS6571  Galium parisiense Rimo Bacigalupi with G. T. Robbins 1954-6-28 4654 Humboldt 7.4 mi n Hoopa (along hwy, high above Trinity River, 4.6 mi n of Weitchpec); Six Rivers National Forest Comment
  POM59640  Galium parisiense L. R. Abrams 1916-7-11 6061 Humboldt Mouth of Grizzly Creek on Van Duzen River. Comment
  UC1196100  Galium parisiense Joseph P. Tracy 1934-7-9 13353 Humboldt Dobbyn Creek 152 Comment
  UC1196101  Galium parisiense Joseph P. Tracy 1924-8-10 6801 Humboldt on river bar near Strong's Station (10 mi e of Carlotta); Northern Coast Ranges 60 Comment
  HSC39330  Galium parisiense J. P. Smith 1976-10-30 8994 Humboldt Mad River, E of Essex Lane exit. Comment
  UC602520  Galium porrigens Joseph P. Tracy 1926-4-11 7406 A Humboldt Bridgeville 198 Comment
  UC169021  Galium trifidum Joseph P. Tracy 1911-7-7 3370 Humboldt three mi nw junction of Willow Creek and Trinity River (near Beebe's Ranch, meadows on mt. side); Northern Coast Ranges 914 Comment
  UC28245  Galium triflorum Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  JEPS6537  Galium triflorum W. L. Jepson 1902-6 1911 Humboldt Pepperwood Comment
  CAS-BOT-BC303398  Gamochaeta ustulata L. R. Abrams 1916-7-18 6125 Humboldt Arcata to Trinidad Comment
  UC562620  Gamochaeta ustulata Joseph P. Tracy 1936-5-30 14834 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC41276  Garrya buxifolia Brad Klipfel 1974-6-25 430 Humboldt Horse Mtn. Comment
  HSC67509  Garrya buxifolia J. P. Smith, J. O. Sawyer 1973-5-12 6703 Humboldt 10.4 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC76358  Garrya buxifolia Denis Kearns 1981-6-24 22 Humboldt Near Cedar Camp 1219 Comment
  UC906753  Garrya buxifolia Joseph P. Tracy 1947-7-9 17841 Humboldt Horse Mountain 1402 Comment
  CAS-BOT-BC188548  Garrya elliptica H. E. McMinn 1922-8-5 353 Humboldt Van Dusen River Comment
  CHSC19502  Garrya elliptica Gene S. Van Horn 1963-1-5 35 Humboldt On W. M. Lanphere's ranch 9 Comment
  HSC40406  Garrya elliptica Linda M. Barker 1976-3-22 1339 Humboldt 3 mi. W of Arcata Comment
  HSC90216  Garrya elliptica Louise Watson, Jan Meninga Feb 1991 4 Humboldt Mad Rive Slough and Dunes, Cooperative Management area, 1/3mi from parking lot W of trail Comment
  OBI14161  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow crk Comment
  UCD121162  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC182147  Garrya fremontii L. B. Kildale 1930-8-3 10336 Humboldt Chaparall Mt. near Bug Creek 914 Comment
  CDA38572  Garrya fremontii T. C. Fuller, T. Gallion 1959-7-23 2833 Humboldt Red Gap Road, 3 miles east of Hoopa. 0 Comment
  CAS-BOT-BC56267  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  HSC53968  Gaultheria ovatifolia Griswold, Butler 1979-7-11 7025 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  JEPS66606  Gaultheria shallon W. L. Jepson 1932-8-1 16470 Humboldt at Giant Tree, Bull Creek Bull Creek; Giant Tree, Bull Creek 182 Comment
  UC484078  Gaultheria shallon Carl B. Wolf 1930-10-30 Humboldt 4 mi s of Thorn (Old Coast Road); Old Coast Road 304 Comment
  HSC7814  Gaultheria shallon Neuns 1950-10-9 136 Humboldt 2 mi. W of Thorne 335 Comment
  HSC54012  Gayophytum diffusum subsp. parviflorum Griswold, Butler 1979-7-12 7142 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC505127  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9050 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC505120  Gayophytum heterozygum Joseph P. Tracy 1932-7-12 10456 Humboldt Brett Hole Klamath Mountains, Trinity Summit (head) 1828 Comment
  HSC16406  Gayophytum ramosissimum J. P. Tracy 1933-7-26 12919 Humboldt Grouse Mtn. 1524 Comment
  RSA21018  Gentiana sceptrum Carl B. Wolf 1937-9-12 9328 Humboldt Big Lagoon, south side along Redwood Highway. 6 Comment
  UC162717  Gentiana sceptrum Joseph P. Tracy 1911-8-27 3535 Humboldt Eureka Northern Coast Region 0 Comment
  UC1198643  Gentiana sceptrum Joseph P. Tracy 1938-9-25 16166 Humboldt Lake Prairie Bald Mountain 1066 Comment
  HSC95593  Geranium dissectum Andrea Pickart 2002-5-24 110 Humboldt CDFG's Mad River Slough Wildlife Area, Arcata Bottoms 0 Comment
  CDA42400  Geranium lucidum R. Robison 2014-5-5 s.n. Humboldt In Humboldt Lagoons State Park, along Highway 101 on southbound side. Across from old state highway 102. 0 Comment
  HSC8651  Geranium molle R. T. Forester 1963-4-30 17 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  UC164809  Geranium molle Joseph P. Tracy 1906-5-6 2436 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC56320  Geranium oreganum J. Burtt Davy 1899-6-10 5393 Humboldt Hubbard's Station Mendocino, Humboldt, and Del Norte Counties Comment
  HSC16967  Gilia capitata J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  UC1197929  Gilia capitata subsp. capitata Joseph P. Tracy 1908-6 2751 Humboldt nw slope of Buck Mountain , nw slope Buck Mountain (Northern Coast Ranges) 457 Comment
  UC1222733  Gilia capitata subsp. capitata Joseph P. Tracy 1950-6-15 18789 Humboldt 7 mi n Harris (Mail Ridge); n of Harris, Mail Ridge Comment
  UC907951  Gilia capitata subsp. capitata Joseph P. Tracy 1935-6-23 13995 Humboldt French Camp Ridge 1066 Comment
  BLMAR527  Gilia capitata subsp. pacifica Jennifer Wheeler 2009-6-23 527 Humboldt King range, On King Peak road Comment
  RSA46733  Gilia capitata subsp. pacifica Doris K. Kildale 1927-7-1 s.n. Humboldt Alton Hill Comment
  UC146177  Gilia millefoliata Joseph P. Tracy 1905-6-11 2190 Humboldt sandy soil at Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  UC23729  Gilia millefoliata Harley P. Chandler May, 1901 1135 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  HSC100935  Githopsis specularioides Miss Handy Jun 1886 344 Humboldt Maple Cr. Comment
  BLMAR647  Githopsis specularioides Jennifer Wheeler 2011-6-21 647 Humboldt Lacks Creek, Stormy Saddle Prairie 1158 Comment
  CAS-BOT-BC218426  Glehnia littoralis subsp. leiocarpa J. Clausen 1935-6-16 3386 Humboldt Mouth of Little River Comment
  HSC10075  Glyceria declinata D. J. Wilder 1965-4-24 10 Humboldt In field where Little River crosses U.S. 101 Comment
  HSC74756  Glyceria elata Gail Newton 1981-8-6 2402 Humboldt Near Humbug Creek 1256 Comment
  UC187282  Glyceria elata Joseph P. Tracy 1911-7-7 3372 Humboldt 3 mi nw Willow Creek junction with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC526906  Glyceria elata Joseph P. Tracy 1925-7-5 7170 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  SEINET200358 Image available Glyceria occidentalis J. P. Tracy 1930-8-3 9147 Humboldt Buck Mtn near Little Van Duzen; lower foothills of its NW slope 762 Comment
  UCD57077  Glyceria occidentalis Joseph P. Tracy 1942-6-2 17090 Humboldt Loleta. 9 Comment
  UCD66777  Glyceria occidentalis A. A. Beetle; J. P. Tracy, G. L. Stebbins Jr. 1942-6-2 3461 Humboldt Loleta Swamp, south of Eureka. Comment
  HSC70848  Glyceria striata M. A. Baker 1980-6-7 1825 Humboldt Near Ammon Creek. 732 Comment
  SEINET11678065  Glyceria striata H. P. Chandler 1901-1 1526 Humboldt Klamath River, North Coast Ranges 427 Comment
  UC673068  Glycyrrhiza lepidota Joseph P. Tracy 1933-6-25 12626 Humboldt Camp Grant Eel River 60 Comment
  HSC53977  Gnaphalium palustre Griswold, Butler 1979-7-11 7051 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  RSA638984  Gnaphalium stramineum Percy C. Everett 1965-8-6 35171 Humboldt Samoa Dunes. 3 Comment
  UC1196436  Goodyera oblongifolia Edith and Ethel Tracy 1900-7-31 910 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  HSC34239  Goodyera oblongifolia J. D. Ackerman 1975-8-24 648 Humboldt Intersection of Hwy. 255 to Samoa Bridge and Samoa Blvd. Comment
  SEINET11835895  Grindelia camporum var. camporum J. P. Tracy 1947-1 17941 Humboldt 4 mi S of Garberville, Smith Point bridge Comment
  CAS-BOT-BC304758  Grindelia hirsutula Carl B. Wolf 1937-9-9 9305 Humboldt Coast, 2 mi. So. of Cape Mendocino 6 Comment
  HSC37692  Grindelia hirsutula R. Sutherland 1976-8-6 13 .6876 Humboldt Disturbed edge of county road, just W of China Creek 223 Comment
  HSC66405  Grindelia hirsutula Ruby Van Deventer 1962-8-12 Humboldt Benbow Golf Course near South Fork of Eel River 122 Comment
  HSC93477  Grindelia hirsutula Gordon Leppig 1998-8-6 994 Humboldt Arcata Marsh and Wildlife Sanctuary; Humboldt Bay side of Klopp Lake dike 2 Comment
  UC1223101  Grindelia hirsutula Joseph P. Tracy 1950-9-10 19359 Humboldt 1 mi n Capetown; Bear River Ridge 304 Comment
  UC520410  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-9 3686 Humboldt Eureka; salt meadows along canal Comment
  SEINET194315  Grindelia hirsutula var. davyi A. A. Heller 1923-7-7 13764 Humboldt Near the South Fork of the Eel River S of Garberville Comment
  CHSC69498  Grindelia stricta var. platyphylla Vernon Oswald; Lowell Ahart 1997-9-4 8845 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  POM359112  Grindelia stricta var. platyphylla M. B. Dunkle 1936-8-18 4813 Humboldt South of Eureka. 91 Comment
  SEINET190492  Grindelia stricta var. stricta H. E. Parks 24190 Humboldt Big Lagoon Comment
  SEINET11835909  Grindelia stricta var. stricta J. P. Tracy 1947-1 17944 Humboldt mouth of Eel River, S side, Camp Weeott 3 Comment
  HSC74429  Hackelia bella Gail Newton 1980-8-10 2059 Humboldt Near Blake Mtn. 1707 Comment
  HSC58072  Hackelia micrantha G. L. Clifton, Griswold 1979-8-1 11963 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 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
  HSC44510  Hastingsia alba Brad Klipfel 1973-7-1 116 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58333  Hastingsia alba Overton, Butler 1979-8-2 12636 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  POM169139  Hastingsia alba Jos Burtt Davy 5855 Humboldt Near Trinity Summit [Humboldt-Trinity County line] Comment
  HSC97927  Hastingsia serpentinicola Cara Witte 2007-6-19 293 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1220 Comment
  UC630634  Hedera helix Joseph P. Tracy 1939-1-22 16185 Humboldt on Van Duzen R. Blue Slide 91 Comment
  CAS-BOT-BC306612  Helenium bigelovii L. B. Kildale 1930-8-10 10532 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC306617  Helenium bigelovii Ira L. Wiggins 1930-7-8 4676 Humboldt Along the Eel River, near Scotia Comment
  HSC5764  Helenium bigelovii J. Wendell Howe 1934-6-24 1278 Humboldt Bald Hills - Mad Woods Comment
  UC582769  Helenium bolanderi H. E. Parks and Joseph P. Tracy 1937-7-16 15431 Humboldt Trinidad 60 Comment
  CAS-BOT-BC306871  Helenium bolanderi L. R. Abrams; R. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  HSC93468  Helenium bolanderi Gordon Leppig 1998-8-23 1077 Humboldt Big Lagoon County Park 2 Comment
  RSA167314  Helenium bolanderi Joseph P. Tracy, H. E. Parks 1950-7-16 11686 Humboldt Park's place, 2 miles N of Trinidad. Comment
  RSA1499  Helenium puberulum E. R. Johnson 1929-08 1431 Humboldt Along the Redwood Hwy, S of Eureka. 30 Comment
  UC1223170  Helminthotheca echioides Joseph P. Tracy 1950-9-10 19361 Humboldt 1 mi inland from Cape Mendocino (1/2 mi s of town, brushy hillside along the coast road); foothills of the Cape Mendocino Ridge 60 Comment
  UC1223171  Helminthotheca echioides Joseph P. Tracy 1948-8-8 18098 Humboldt 2 mi w Bridgeville Comment
  UC275468  Helminthotheca echioides Joseph P. Tracy 1925-11-1 7297 Humboldt Shively Northern Coast Ranges, Shively 60 Comment
  HSC97359  Hemitomes congestum John DeMartini 1975-7-2 Humboldt Azalea Ave. Maw property, McKinleyville. Bulk Collection 81 Comment
  UC275470  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-9-20 7272 Humboldt near the s fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC309988  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1932-8-21 10364 Humboldt Northern Coast Ranges. Three Cabins; on lower western foothills of Chaparral Mountain 457 Comment
  CAS-BOT-BC310000  Hemizonia congesta subsp. tracyi Alice Eastwood; John Thomas Howell 1937-6-23 4805 Humboldt Little Van Duzen River Comment
  RSA21658  Hemizonia tracyi C. B. Wolf 1937-6-14 8813 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  SEINET11848439  Hemizonia tracyi J. P. Tracy 1950-1 18757 Humboldt Domingo Hill, near Petrolia, hills between town & ocean Comment
  HSC38904  Heracleum maximum J. P. Smith, Steve Selva 1970-6-30 4116 Humboldt Comment
  HSC90261  Heracleum maximum Jean Hanson 1980-5-24 73 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka. W end of island Comment
  RSA43856  Herniaria hirsuta subsp. cinerea H. M. Pollard 1948-8-10 s.n. Humboldt Whittaker s Roost (mining claim near Orleans). Comment
  HSC90776  Hesperevax sparsiflora Peter Sorensen 1976-8-16 Humboldt Woodley Island Comment
  HSC13056  Hesperocyparis macrocarpa C. E. Fellows 1970-12-7 369 Humboldt HSC Campus, Arcata Comment
  UC1198756  Heteromeles arbutifolia Joseph P. Tracy 1922-9-3 6107 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges 152 Comment
  CDA31699  Heterotheca oregona M. K. Beyers, I. Shepardson 2009-9-13 244 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  CAS-BOT-BC311053  Heterotheca oregona var. oregona John Thomas Howell 1936-8-29 12889 Humboldt Bluffs of Eel River, 11 miles n. of Garberville Comment
  JEPS2423  Heterotheca oregona var. rudis W. L. Jepson 1932-7-25 16398 Humboldt Old Grant Camp Eel River Comment
  SEINET3166724  Heterotheca oregona var. rudis Unknown 1986-8-18 8531 Humboldt Garberville. Gravel bar of S fork of Eel River near U.S.-101, at Bear Canyon Rd. Comment
  UC581757  Heterotheca oregona var. rudis Joseph P. Tracy 1933-10-15 13097 1/2 Humboldt Miranda, along South Fork of Eel River South Fork of Eel River 121 Comment
  BLMAR42  Heuchera 42 Humboldt King range, Bear Creek, tolkan campsite Comment
  SEINET9736844  Heuchera micrantha Unknown 1923-6-27 6379 Humboldt Trinity River Valley, near the South Fork 183 Comment
  RSA0066094  Heuchera micrantha var. diversifolia Thomas W. Nelson, Jane Nelson 1976-7-1 2904 Humboldt Along serpentine ridge N of Bear Creek. 1463 Comment
  UC1222387  Heuchera micrantha var. macropetala Joseph P. Tracy 1950-7-2 18976 Humboldt at crossing of Little Hors Linto Creek (below Grizzly Camp); Trinity Summit Comment
  HSC56213  Heuchera rubescens G. L. Clifton, Griswold 1979-8-2 12222 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS26199  Heuchera rubescens Joseph P. Tracy 1932-7-18 10715 Humboldt head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC41261  Hieracium albiflorum Brad Klipfel 1974-7-23 453 Humboldt Horse Mountain, NW from the towers Comment
  UC582415  Hieracium albiflorum Joseph P. Tracy 1932-7-12 10433 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC312385  Hieracium albiflorum Kenneth Clark 1980-6-14 687 Humboldt North fork Dead Man's Gulch, Shelter Cove 106 Comment
  HSC31198  Hieracium albiflorum D. E. Anderson 1972-6-20 5756 Humboldt Along the N slope of Horse Mtn. Comment
  RSA12437  Hieracium albiflorum C. B. Wolf 1934-7-2 5856 Humboldt 2 miles from Bald Mt. on road to Korbel. 762 Comment
  CAS-BOT-BC316006  Hieracium nudicaule Henry M. Pollard 1943-8-1 s.n. Humboldt New Orleans Comment
  HSC13461  Hippuris vulgaris R. L. Jarvis 1962-4-18 28 Humboldt .5 mi. S of Mad River, .25 mi. W of Hwy. 101 15 Comment
  HSC59059  Hippuris vulgaris Thomas Wood 1979-5-17 186 Humboldt Clam Beach pond, E of Clam Beach-Little River Beach, along Hwy. 101 3 Comment
  HSC10132  Holcus lanatus J. R. Eichelberger 1964-5-13 83 Humboldt 1/4 mile from U.S. 101 on the N side of the Mad River. Comment
  HSC33769  Holcus lanatus Lon Hall 1975-5-24 378 Humboldt Samoa Dunes, off Samoa Blvd., across from the boat landing Comment
  HSC38837  Holcus lanatus R. Sutherland 1976-8-13 3 .13876 Humboldt Just above Whittemore Grove. 168 Comment
  HSC5261  Holcus lanatus John Warner Hosking 1966-8-5 Humboldt Near BSA, Humboldt State College campus, Arcata. Comment
  POM232313  Holcus lanatus I. L. Wiggins 1930-6-25 4614 Humboldt Sand dunes 2 miles north of Samoa. Comment
  SBBG83770  Holcus lanatus J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  UC963839  Holcus lanatus H. E. Parks and S. T. Parks August, 1943 24260 Humboldt Spruce Cove Trinidad (Trinidad); North Coast Ranges, Spruce Cove 60 Comment
  UCD84909  Holcus lanatus J. I. Mallory 1955-7-22 117 Humboldt Peavine Ridge, 1 mile north of Luke Prairie. 701 Comment
  UCD84972  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka. 30 Comment
  BLMAR40  Holcus lanatus Brad Barr 1982-6-21 40 Humboldt King range, hidden valley enclosure Comment
  HSC18670  Holodiscus discolor Paul Shields 1955-6-10 Humboldt 3 mi. S. Weott Comment
  HSC98853  Holodiscus discolor Cara Witte 2008-7-11 871 Humboldt Horse Mountain Botanical Area. 1/2 mi. south from intersection of National Forest 1, Forest Service Roads 6N38 and 6N36. 1413 Comment
  HSC98885  Holodiscus discolor Cara Witte 2007-7-9 459 Humboldt Forest Service Road 4N32. 1.4 mile north of intersection with 4N32B. 1413 Comment
  HSC10165  Hordeum brachyantherum J. A. Waller 1965-5-2 33 Humboldt Open field Comment
  UC1103747  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1927-7-16 8251 Humboldt mouth of Elk River 3 Comment
  UC187305  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1911-7-7 3392 Humboldt three mi nw of junction of Willow Creek with Trinity River (near Beese's Ranch); Northern Coast Ranges, Trinity River 914 Comment
  HSC99121  Hordeum marinum subsp. gussoneanum Cara Witte 2007-6-4 201 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  HSC10231  Hordeum vulgare S. J. Hawks 1965-4-6 23 Humboldt Along Clam Beach access road. Comment
  UC1565797  Horkelia tridentata subsp. flavescens R. Spellenberg 1990-7-10 10239 Humboldt 11 air mi e Burnt Ranch (Buck Flat, at junction of USFS Rd. 5N01 and USFS Rd. 1, 12 mi s of Berry Summit (on Hwy 299)); extreme e edge of county 1432 Comment
  HSC74204  Hydrophyllum occidentale M. A. Baker 1980-7-19 3007 Humboldt Near Bret Hole. 1814 Comment
  UC1239766  Hydrophyllum occidentale Joseph P. Tracy Jul 16 1930-Jul 19 1930 9085 Humboldt South Fork Mountain Northern Coast Ranges (near McKay Camp) 1676 Comment
  HSC100496  Hydrophyllum occidentale Carl C. Marshall Jun 1885 7 Humboldt Lower Mad River. Comment
  UC1198409  Hypericum anagalloides Joseph P. Tracy 1918-7-5 5005 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  JEPS66783  Hypericum anagalloides Lincoln Constance 1934-6-25 922 Humboldt 4 mi. n. Dyverville (and of n. boundary of Humboldt Redwood Park, on Redwood Hwy, Englewood); S. Fork Eel R., Bull Creek Region, Englewood Comment
  JEPS79906  Hypericum formosum var. scouleri Joseph P. Tracy 1935-7-21 14112 Humboldt opposite mouth of Willow Creek; Trinity R. Valley, Lack Pond 152 Comment
  CAS-BOT-BC401304  Hypericum scouleri Ira L. Wiggins 1932-7-18 5886 Humboldt Between Arcata and Bayside Comment
  UC1223074  Hypochaeris glabra Joseph P. Tracy 1948-5-31 18020 Humboldt Dobbyn Creek 152 Comment
  UC166805  Hypochaeris radicata J. P. Tracy 1900-7-22 906 Humboldt immediate vicinity Eureka 0 Comment
  HSC79460  Hypochaeris radicata Kenneth Clark 1980-6-14 676 Humboldt On western slope above Dead Man's Gulch (near parking access) 145 Comment
  SEINET10879099  Hypochaeris radicata Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 483 Humboldt Collected by Hwy. 101, N side of Orick. 30 Comment
  UCSB6709  Hypochaeris radicata Keator, Glenn 1958-6-18 Humboldt In the vicinity of Smith River (the town) Comment
  CAS-BOT-BC206849  Iliamna latibracteata Carl Purdy 1938-8-1 s.n. Humboldt Willow Creek Comment
  UC909150  Ipomopsis aggregata Joseph P. Tracy 1932-7-12 10440 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC13862  Iris douglasiana S. R. Johnson 1965-4-16 44 Humboldt 1.5 mi. S of Luffenholtz Beach Comment
  RSA254791  Iris douglasiana Thomas W. Nelson 1974-5-7 1240 Humboldt Beside the old Kneeland Rd. Comment
  UC175825  Iris douglasiana Joseph P. Tracy 1912-4-21 3571 A Humboldt Humboldt Hill; Northern Coast Region, Humboldt Bay Region 0 Comment
  RSA24204  Iris macrosiphon Carl B. Wolf 1941-3-3 9993 Humboldt N. Coast Range, 1/2 miles N of Ettersburg on road to Honeydew. 305 Comment
  UC1222674  Iris purdyi Joseph P. Tracy 1950-7-1 18950 Humboldt Friday Ridge, at Friday Camp, Grouse Mountain Friday Ridge; North Coast Ranges, Grouse Mountain 1219 Comment
  HSC32883  Iris tenuissima Thomas W. Nelson, James Nelson 1973-5-28 935 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC33415  Iris tenuissima Thomas W. Nelson 1974-5-30 1347 Humboldt Along Hoopa-Redwood Valley Rd. Comment
  UC14924  Iris tenuissima Harley P. Chandler Jun 1901 1529 Humboldt Klamath River; North Coast Ranges Comment
  HSC6800  Isatis tinctoria D. E. Anderson 1965-5-1 3569 Humboldt Slides along Hwy. 96 and Klamath River, 3-4 mi. E of Weitchpec Comment
  JEPS64018  Isolepis cernua W. L. Jepson 1921-8-7 9336 Humboldt on the flats and beach Stone Lagoon Comment
  RSA170275  Isolepis setacea Joseph P. Tracy 1917-6-17 4817 Humboldt Salmon Creek Valley, around Humboldt Bay. 30 Comment
  UC665529  Jaumea carnosa H. E. Parks 1941-8-1 24187 Humboldt Big Lagoon Comment
  HSC95092  Jaumea carnosa Andrea Pickart 2002-6-27 120 Humboldt Mad River Slough and Dunes, N of parking lot area at N end of access road. 0 Comment
  RSA296738  Juncus breweri J. P. Smith, Thomas W. Nelson 1977-6-30 9220 Humboldt Samoa Peninsula just east of the drag strip. Comment
  HSC13993  Juncus bufonius J. E. Lankila 1962-4-14 6 Humboldt W bank of Eel River across from Shively, 0.25 mi. N of Bear Creek Comment
  HSC23143  Juncus bufonius Norman Dennis 1965-6-19 128 Humboldt 0.25 mi. S and 1 mi. E of jct. of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 3 mi. SE of Kneeland 793 Comment
  UC184197  Juncus bufonius var. occidentalis Joseph P. Tracy 1908-7-9 2937 Humboldt near Buck Mountain summit; Northern Coast Ranges, Buck Mountain 1219 Comment
  JEPS63895  Juncus effusus subsp. pacificus W. L. Jepson 1932-7-24 16392 Humboldt Garberville Comment
  RSA129411  Juncus falcatus subsp. sitchensis H. S. Yates 1936-6-16 5654 Humboldt 1/2 mile southwest of Samoa. 3 Comment
  UC1152090  Juncus falcatus subsp. sitchensis Joseph P. Tracy 1930-10-13 9218 Humboldt n end Humboldt Bay Comment
  UC1152091  Juncus falcatus subsp. sitchensis Joseph P. Tracy 1938-7-6 16019 Humboldt sw corner Big Lagoon Comment
  RSA42045  Juncus hesperius Ella Dales Cantelow 1936-8-28 1634 Humboldt 4 1/2 miles SW of Dinsmore s Comment
  HSC63878  Juncus laccatus M. A. Baker 1979-6-29 957 Humboldt Hopkins Creek 750 Comment
  POM160259  Juncus occidentalis Joseph P. Tracy 1926-7-5 7724 Humboldt Valley of South Yager Creek. 762 Comment
  HSC58135  Juniperus communis var. saxatilis Gilbert Muth 1979-8-1 12143 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  NY790278  Keckiella corymbosa J. P. Tracy 1912-7-26 3847 Humboldt Kneeland Prairie Comment
  RSA44300  Keckiella corymbosa H. M. Pollard 1946-8-10 s.n. Humboldt Klamath River flood plain near Wilson Creek. Comment
  UC413904  Keckiella corymbosa C. M. Goethe 1930-8-13 Humboldt Eel River Comment
  UC585629  Keckiella corymbosa Joseph P. Tracy 1937-7-11 15422 Humboldt vicinity Garberville 121 Comment
  HSC34289  Kelloggia galioides K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  UC1103696  Koeleria macrantha Joseph P. Tracy 1934-6-19 13233 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  JEPS7507  Kyhosia bolanderi Joseph P. Tracy 1935-7-23 14136 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC552225  Lactuca biennis Joseph P. Tracy 1935-7-21 14118 Humboldt mouth Bremer Creek (near Willow Creek); Trinity River Valley 152 Comment
  UC552314  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  UC1199155  Lagophylla ramosissima Joseph P. Tracy 1924-8-10 6808 Humboldt Blue Slide on Van Duzen; Northern Coast Ranges 91 Comment
  HSC5898  Lapsana communis David Adams 1960-7-15 Humboldt Azalea Reserve State Park 30 Comment
  JEPS98949  Lathyrus biflorus Kenneth W. Fuller 1998-7-2 Humboldt Red Mountain (type locality) Comment
  HSC15267  Lathyrus glandulosus Francis Winter 1960-4-23 Humboldt 2 mi. E of Korbel, Korbel-Maple Creek Rd. 229 Comment
  POM128967  Lathyrus jepsonii subsp. californicus M. H Manning 1900-1 s.n. Humboldt Hupa Valley Comment
  RSA183499  Lathyrus littoralis J. R. Woodside 1963-4-3 31 Humboldt One and one fourth miles north of Fairhaven. Comment
  UCSB15805  Lathyrus littoralis Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  BLMAR60  Lathyrus littoralis Jennifer Anthony-Wheeler 1994-3-31 60 Humboldt King range, growing on matole beach1/4miS of campground.dense mat of like individuals 12 Comment
  HSC14746  Lathyrus littoralis J. W. Johnson 1962-4-18 1259 Humboldt Between the mouth the Mad River and the Hunt Farm, Samoa Peninsula. Comment
  HSC24404  Lathyrus nevadensis var. nevadensis J. O. Sawyer 1970-6-24 2283 Humboldt Salmon Mt., W of Mill Creek Lake 1677 Comment
  UC1199066  Lathyrus torreyi Joseph P. Tracy 1922-6-5 6084 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UCD106657  Lathyrus torreyi K. Esau 1934-5-8 s.n. Humboldt Redwood Highway near Scotia. 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
  HSC14755  Lathyrus vestitus subsp. bolanderi Lincoln Constance 1934-5-31 757 Humboldt South Fork of the Eel River, Bull Creek Flat, along Bull Creek. Comment
  HSC15978  Lavatera cretica D. E. Anderson 1962-10-22 2341 Humboldt Samoa Comment
  CAS-BOT-BC325997  Layia carnosa Tom Craig 1941-6-29 s.n. Humboldt Samoa Comment
  UC1223217  Layia carnosa Joseph P. Tracy 1946-6-2 17555 Humboldt Fairhaven; Samoa Peninsula Comment
  UC1565646  Layia carnosa Ken S. Berg 1987-5-30 Humboldt s of mouth of Mattole River; Mattole River Dunes Comment
  JEPS40028  Layia gaillardioides Lincoln Constance 1934-6-3 804 Humboldt road from High Rock (on Redwood Hwy 1 mi n of Dyerville) to Horse Prairie; South Fork Eel River Comment
  SEINET3164358  Ledum glandulosum N. Dennis 1965-6-3 143 Humboldt Big Lagoon County Park; southwest corner of Big Lagoon Comment
  POM318724  Leontodon leysseri Patricia Wilder 1968-8-21 4397 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  CAS-BOT-BC339128  Leontodon saxatilis subsp. saxatilis Carl B. Wolf 1927-8-22 777 Humboldt Big Lagoon Comment
  CAS-BOT-BC339130  Leontodon saxatilis subsp. saxatilis Alice Eastwood 1923-8-16 12340 Humboldt Carlotta Comment
  HSC69894  Lepidium campestre Thomas W. Nelson, Jane P. Nelson 1977-7-29 3638 Humboldt Beside Hwy. 36 at head of Larabee Valley 823 Comment
  CAS-BOT-BC226526  Leptosiphon acicularis Doris K. Kildale 1926-4-25 1800 Humboldt Willow Creek Flat 152 Comment
  HSC35037  Leptosiphon bicolor Thomas W. Nelson, James Nelson 1975-5-24 1871 Humboldt McKeown Ranch, N of Dinsmore. Comment
  BLMAR78  Leptosiphon bicolor Jennifer Anthony-Wheeler 1994-6-2 78 Humboldt IAQUA, growing beside logging rd, dry, open grassland 780 Comment
  HSC58029  Leucanthemum vulgare G. L. Clifton 1979-7-31 11844 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC3107  Leucojum aestivum D. B. Mitchell 1965-3-5 - 3 Humboldt 0.5 mi. N of US Coast Guard Station on Samoa Rd. Comment
  CAS-BOT-BC444064  Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt Trinity Summit. Near Ranger Station 1828 Comment
  HSC48387  Lewisia leeana Brad Klipfel 1973-6-10 111 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC38789  Lewisia nevadensis J. P. Smith 1976-5-30 8827 Humboldt Near Black Rock on road to Clear Lake 1524 Comment
  SEINET197649 Image available Lewisia triphylla Joseph P. Tracy 1935-7-24 14178 Humboldt Trinity summit near Ranger Station 1830 Comment
  RSA623752  Leymus mollis subsp. mollis T. Gertrude Williamson 1924-7-12 251 Humboldt Between Trinidad and Arcata Comment
  SFV18580  Ligusticum californicum T. W. Nelson, J. P. Nelson 1987-6-11 8556 Humboldt Along Forest Road 13N01, 0.25 miles south of turn off to Onion Lake. 1098 Comment
  RSA168923  Lilaea scilloides Joseph P. Tracy 1950-6-18 18844 Humboldt Cape Mendocino, near the ocean shore, south of point of the Cape: Davis Creek. 3 Comment
  HSC90663  Lilaeopsis occidentalis Gail Newton 1982-6-10 3636 Humboldt Elk River Wildlife Area, Eureka Comment
  CAS-BOT-BC508397  Lilium columbianum W. R. Dudley 1899-1-1 s.n. Humboldt Big Lagoon, south of Klamath River Comment
  CAS-BOT-BC130638  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  HSC33664  Lilium occidentale Doris K. Niles, Thomas W. Nelson 1974-6-20 Humboldt Wiggins Ranch, W of garbage dump Comment
  UC1198244  Lilium occidentale Joseph P. Tracy 1927-7-18 8290 Humboldt Table Bluff 91 Comment
  UC666951  Lilium pardalinum Joseph P. Tracy 1930-7-17 8999 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC57911  Lilium pardalinum subsp. pardalinum Gilbert Muth 1979-7-31 11520 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  HSC63836  Lilium pardalinum subsp. pardalinum M. A. Baker 1979-6-29 951 Humboldt 900 Comment
  JEPS99290  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt near Dinsmore (Van Duzen River) 730 Comment
  RSA44370A  Lilium washingtonianum Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  JEPS62038  Lilium washingtonianum subsp. purpurascens Hilda W. Grinnell 1932-7-22 38 Humboldt .37 mi beyond Blake Lookout (U.S.G.S. signal rock); South Fork Mt. 1767 Comment
  UC1198227  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1946-6-23 17593 Humboldt Kneeland Prairie; near Dan McBride place 762 Comment
  HSC100568  Limnanthes douglasii Carl C. Marshall Jun 1887 68 Humboldt Damp soils throughout Humboldt. Comment
  HSC28137  Limnanthes douglasii J. D. Ackerman 1973-5-28 49 Humboldt Hwy. 299, Berry Summit. Comment
  UC1197412  Limnanthes douglasii Joseph P. Tracy 1911-6-29 3269 Humboldt near Hydesville (on gravel bars of Van Duzen River and Yager Creek); Northern Coast Region 60 Comment
  RSA21090  Limnanthes douglasii subsp. nivea Carl B. Wolf 1937-6-14 8818 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  CDA1626  Limnobium laevigatum Gordon Leppig, Tony LaBanca 2003-3-13 1823 Humboldt Alder Grove Pond, Arcata. Comment
  UC146168  Linanthus androsaceus Joseph P. Tracy 1908-6 2746 Humboldt nw slope Buck Mountain; Northern Coast Ranges 457 Comment
  HSC76302  Linnaea borealis subsp. longiflora Teresa Prendusi 1981-7-9 174 Humboldt Near Cedar Camp. 1268 Comment
  UC179969  Linnaea borealis var. longiflora Joseph P. Tracy 1914-7-5 4571 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mountain 1219 Comment
  HSC12547  Linum bienne C. Kline 1970-10-26 42 Humboldt End of School Rd., Mckinleyville, bluffs above Mad River. Comment
  HSC46165  Linum bienne J. P. Smith 1971-10-9 5008 Humboldt Mad River above the Fish Hatchery. Comment
  POM301291  Listera caurina H. E. Parks, Joseph P. Tracy 1949-6-25 11667 Humboldt Trinity Summit, near Box Camp 1524 Comment
Read comments
Jul 13 2018
  JEPS37738  Lithocarpus densiflorus W. L. Jepson and W. W. Mott Jul 3 1903-Jul 5 1903 Humboldt Briceland; sw Humboldt County Comment
  UC1196366  Lithocarpus densiflorus Joseph P. Tracy 1908-6 2846 Humboldt nw slope Buck Mountain; Northern Coast Ranges 609 Comment
  POM270405  Lithocarpus densiflorus var. densiflorus Lyman Benson 1929-7-19 1869 Humboldt Dry slope west of Bull Creek. Comment
  RSA152286  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-8-15 18136 Humboldt Trinity Summit. On ridge 2 miles east of Grove's Prairie. 1524 Comment
  CAS-BOT-BC36584  Lithocarpus densiflorus var. echinoides Russell W. Beeson June 1 - July 1 [no year] B- 26 Humboldt Pilot Ridge, Forest Stanislaus 1584 Comment
  UC11920  Lithophragma glabrum J. Burtt Davy 1899-6-23 5795 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 2133 Comment
  JEPS20909  Logfia gallica Joseph P. Tracy 1935-5-30 13914 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UC1117652  Lolium multiflorum C. L. Hitchcock 1963-7-14 22906 Humboldt along Eel River at Fern Bridge; along Eel River Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC74113  Lolium perenne M. A. Baker 1980-6-16 1941 Humboldt Near Monks Camp. 1097 Comment
  UC50500  Lolium perenne Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6200 Humboldt Russ Ranch Comment
  HSC21575  Lomatium dasycarpum subsp. dasycarpum Francis Winter 1960-4-24 Humboldt 1 mi. W of Burnt Ranch 381 Comment
  HSC39199  Lomatium dasycarpum subsp. dasycarpum D. E. Anderson, J. P. Smith 1971-7-6 1323 Humboldt 2 mi. E of Pine Ridge Summit Comment
  JEPS17125  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1902-6 1891 Humboldt Fort Seward Ranch ridge (= Mail Ridge) 1066 Comment
  HSC55748  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-26 10275 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC97637  Lomatium macrocarpum Cara Witte 2007-5-21 58 Humboldt Board Camp Mountain. 1/2 mile south of intersection with 4N38 and National Forest 1. 1427 Comment
  UC1197155  Lomatium macrocarpum Joseph P. Tracy 1937-7-24 15522 Humboldt head of Devil's Hole (Trinity Summit); , Devil's Hole 1676 Comment
  UC249606  Lomatium nudicaule Joseph P. Tracy 1922-4-30 6023 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  CAS-BOT-BC211199  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mountain 1219 Comment
  RSA452594  Lomatium tracyi B. Kelly 1977-7-16 537 Humboldt 1/4 mile in from Horse Mountain Road, 1/2 mile below turnoff to summit, near end of unused gravel road. Comment
  UC906644  Lomatium triternatum var. triternatum Joseph P. Tracy 1942-6-23 17228 Humboldt 1 mi. w. Box Camp (Trinity Summit); Trinity Summit 1219 Comment
  UC154087  Lomatium utriculatum Joseph P. Tracy 1908-6-8 2626 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC183624  Lomatium utriculatum Joseph P. Tracy 1912-6-9 3671 Humboldt Northern Coast Region, Alton 30 Comment
  UC314599  Lomatium utriculatum Joseph P. Tracy 1923-7-4 6525 Humboldt Northern Coast Ranges, Valley of S. Yager Creek 762 Comment
  RSA696526  Lonicera hispidula var. vacillans J. R. Bruff 1937-8-17 925 Humboldt Richardson Grove. Comment
  UC168948  Lonicera hispidula var. vacillans Joseph P. Tracy 1904-7-31 2132 Humboldt Eureka Northern Coast Region 0 Comment
  CAS-BOT-BC241482  Lonicera involucrata var. ledebourii Mrs. A. H. Rodda 1932-5-22 s.n. Humboldt Redwood Highway Comment
  HSC40297  Lonicera involucrata var. ledebourii Linda M. Barker 1976-4-30 1400 Humboldt 3 mi. W of Arcata Comment
  HSC63083  Lonicera involucrata var. ledebourii David Wheeler 1979-4-20 71 Humboldt Clam Beach Ponds, N pond, 0.25 mi. S of Crannel Rd. between the frontage road and Hwy. 101 Comment
  HSC95112  Lonicera involucrata var. ledebourii Andrea Pickart 2002-6-27 119 Humboldt Mad River Slough and Dunes, along access Rd. near parking area at N end. 15 Comment
  CAS-BOT-BC200914  Lotus Milo S. Baker 1927-8-21 2468 a Humboldt Near Bald Mt. 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
  HSC98252  Lotus aboriginus J. P. Tracy 1906-5-20 2462 Humboldt Eureka 0 Comment
  UC1197317  Lotus aboriginus J. P. Tracy 1902-7-4 1762 Humboldt immediate vicinity Eureka 0 Comment
  UC493999  Lotus aboriginus H. E. Parks and J. P. Tracy 1930-9-15 762 Humboldt Kneeland Bald Hills Comment
  HSC76444  Lotus corniculatus John Demarinis 1981-7-21 880 Humboldt Near Table Bluff 38 Comment
  UC1223436  Lotus crassifolius var. crassifolius Joseph P. Tracy 1936-6-9 14914 Humboldt near Panther Gap (on the Bull Creek-Mattole Road) 609 Comment
  RSA254790  Lotus denticulatus Thomas W. Nelson, James Nelson, A. Nelson 1973-5-28 949 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC1223433  Lotus denticulatus Joseph P. Tracy with Mr. Murphy 1951-6-26 19578 Humboldt vicinity Twin Lakes Comment
  CDA27196  Lotus denticulatus T. R. Haig 1960-6-16 Humboldt 1 mile west of Bridgeville. 0 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
  HSC98247  Lotus formosissimus D. E. Anderson 1963-5-25 2485 Humboldt 2-3 mi. N of Capetown Comment
  UC1052456  Lotus humistratus H. E. Parks Aug 1941 24183 Humboldt Little River State Park Comment
  RSA90323  Lotus humistratus F. W. Peirson 1926-7-13 7047 Humboldt Mad River, vicinity of Blue Lake. Comment
  JEPS55459  Lotus nevadensis var. nevadensis Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  JEPS55780  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6266 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  UC169299  Lotus purshianus var. purshianus Joseph P. Tracy 1912-8-3 3973 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  POM232036  Lotus unifoliolatus I. L. Wiggins 1930-7-22 4689 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  UC314622  Ludwigia palustris Joseph P. Tracy 1926-8-12 7765 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  RSA21198  Luina hypoleuca C. B. Wolf 1937-8-9 9086 Humboldt Klamath River, 5 7/10 miles above Orleans. Comment
  CAS-BOT-BC60240  Lunaria annua L. B. Kildale 1930-8-3 10359 Humboldt Chaparall Mountain at Bug Creek. 914 Comment
  RSA751818  Lupinus Robert F. Thorne 1957-9-3 19015 Humboldt Little River Beach, few miles S of Trinidad. Comment
  UC503018  Lupinus Joseph P. Tracy 1927-6-18 8189 Humboldt Capetown; Northern Coast Ranges, Capetown 304 Comment
  UC48706  Lupinus albicaulis var. shastensis Hilda W. Grinnell 1932-7-22 39 Humboldt on slope below U.S.G.S. signal rock, South Fork Mountain (ne slope of South Fork Mountain); ne slope of South Fork Mt. 1767 Comment
  CHSC55898  Lupinus arboreus L. P. Janeway 1987-7-31 2547 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC42162  Lupinus arboreus R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-3 178 Humboldt Clam Beach Comment
  SEINET10452623  Lupinus arboreus Mary Susan Taylor 1982-10-24 Taylor 5183 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  HSC40960  Lupinus bicolor Linda M. Barker 1976-6-1 1564 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC1949020  Lupinus bicolor Barbara Ertter with Thomas J. Delendick 1987-5-16 6924 Humboldt S-facing slope; VIsta Point just W of Berry Summit on Hwy 299, ca 15 airmiles E of Arcata Comment
  JEPS65284  Lupinus latifolius Joseph P. Tracy 1923-6-25 6376 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC39678  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-6-16 2744 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  RSA161252  Lupinus latifolius subsp. latifolius Peter H. Raven, R. Snow 1958-7-20 13645 Humboldt 1.1 miles south of junction of Friday Ridge Road on Titlow Hill Road, near Grouse Ridge. Comment
  HSC35605  Lupinus latifolius subsp. viridifolius Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2016 Humboldt French Camp, Bald Hills. Comment
  HSC74224  Lupinus latifolius subsp. viridifolius M. A. Baker 1980-7-19 3018 Humboldt Near Bret Hole. 1814 Comment
  HSC102527  Lupinus latifolius var. viridifolius M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1514 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC1223259  Lupinus lepidus var. lobbii Joseph P. Tracy 1940-7-7 16672 Humboldt ridge back Clear Lake (Grouse Mountain); , ridge back of Clear Lake 1524 Comment
  UC1281746  Lupinus lepidus var. sellulus Richard Spellenberg 1965-6-13 1110 Humboldt about 3/4 mi s Highway through Hoopa Indian Reservation (along road on e side of river); e side Trinity Riverk hw through Hoopa Indian Reservation Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC14865  Lupinus rivularis Allan R. Marshall 1962-5-5 8 Humboldt 25 yds. W of 1528 M St. 6 Comment
  POM276520  Lupinus rivularis Lyman D. Benson 1928-7-10 423 Humboldt Fortuna 30 Comment
  SEINET10488860  Lupinus rivularis Smith 1948-5-10 Smith 48246 Humboldt Hwy. 101--Red crest, few redwoods, 1 mi s. Comment
  UCR40070  Lupinus tracyi Robert Runyon 1979-6-27 s.n. Humboldt Six Rivers National Forest, Along a ridge near (NE of) Trinity Summit Station, Trinity Co. line 1829 Comment
  HSC14895  Lupinus variicolor F. Morrell 1949-4-13 6 Humboldt Bayside Rd. Comment
  HSC71599  Luzula comosa M. A. Baker 1980-6-26 2412 Humboldt Near Sims Creek 610 Comment
  HSC74684  Luzula comosa Gail Newton 1981-8-7 2471 Humboldt Near Board Camp Mtn. 1478 Comment
  HSC40967  Luzula comosa Linda M. Barker 1976-6-14 1596 Humboldt 3 mi. W of Arcata, Lanphere Dunes Comment
  HSC67152  Luzula comosa J. P. Smith, Steve Selva 1970-6-30 4144 Humboldt Comment
  HSC96237  Luzula comosa April A. Allard, Gregory D. O'Connell 2005-6-3 2 Humboldt 19.3mi S of Hwy. 299 on NF1 1246 Comment
  POM126144  Luzula comosa Joseph P. Tracy 1923-6-24 6368 Humboldt Bald Mountain. In cold wet meadow near High Prairie. 1067 Comment
  POM160310  Luzula comosa Joseph P. Tracy 1926-5-2 7446 Humboldt Serpentine formation near Ruby Creek, Willow Creek Canyon. 610 Comment
  HSC56397  Luzula parviflora Griswold, Butler 1979-7-11 6967 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  UC1103675  Luzula subsessilis Joseph P. Tracy 1900-5-28 819 Humboldt Northern Coast Region, at Eureka 0 Comment
  JEPS371  Lycopodiella inundata Joseph P. Tracy 1928-9-8 8504 Humboldt Big Lagoon Northern Coast Ranges (in peat bog) 6 Comment
  CHSC96729  Lycopodium clavatum Gordon Leppig 2004-2-3 2129 Humboldt The Pacific Lumber Company land. UTM Zone 10 0411778E, 4516248N. 300 Comment
Read comments
Jan 21 2014
  JEPS26544  Lycopodium clavatum Don Branscomb July, 1959 Humboldt Trinidad Comment
  CDA42448  Lycopodium clavatum Gordon Leppig 2004-2-3 2130 Humboldt The Pacific Lumber Company land, northeast edge of THP 1-00-032 HUM, Unit 1. Comment
  UCSC001038  Lycopodium clavatum W. Jan Rowe 1967-7-8 61 Humboldt 4.5 miles southeast of Trinidad Trinidad Comment
  HSC30342  Lysichiton americanus Dale R. Gradek 1974-5-28 94 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  JEPS46466  Lysichiton americanus W. L. Jepson 1936-8-17 17916 Humboldt Fields Ld'g Comment
  UC562528  Lythrum hyssopifolia Joseph P. Tracy 1934-7-30 13512 Humboldt in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  HSC15936  Lythrum hyssopifolia D. E. Anderson 1961-9-2 1761 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  HSC59458  Lythrum hyssopifolia M. A. Erickson 1979-5-18 299 Humboldt On railroad right-of-way 25 yards N of Arcata Redwood Company main gate located between Arcata and Eureka. Comment
  UC1199114  Madia Joseph P. Tracy 1906-7-4 2537 Humboldt on bar of Yager Creek; Hydesville 60 Comment
  BLMAR185  Madia citriodora Donald Hazlett 1994-6-7 185 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC60076  Madia elegans M. A. Baker 1978-5-6 499 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  CAS-BOT-BC343021  Madia gracilis Ira L. Wiggins 1930-7-11 4679 Humboldt Near Samoa Comment
  HSC40032  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1976-6-22 2880 Humboldt At Goat Hill Lookout 1666 Comment
  JEPS22206  Madia gracilis Joseph P. Tracy 1931-6-28 9588 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UCR10833  Madia madioides Sue De Groot 1962-6-14 112 Humboldt North Coast Range, hillside west of Richardson Grove, Eel River drainage to Pacific 122 Comment
  CAS-BOT-BC343587  Madia sativa Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC35863  Madia sativa Thomas W. Nelson, Jane P. Nelson 1975-8-5 2131 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC45075  Madia sativa R. Sutherland 1976-8-6 8 .6876 Humboldt 229 Comment
  HSC47498  Maianthemum dilatatum Sheila Logan 1978-4-10 23 Humboldt McKinleyville, foot of Hiller Ave. at Ocean Rd., near Pacific ocean and Mad River 46 Comment
  CAS-BOT-BC508519  Maianthemum dilatatum Alice Eastwood 1907-4-21 35 Humboldt Port Trinidad Comment
  HSC58009  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1979-7-31 11805 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC76425  Maianthemum racemosum subsp. amplexicaule Teresa Prendusi 1981-7-9 246 Humboldt Near Slate Creek Butte 1122 Comment
  RSA698056  Maianthemum racemosum subsp. amplexicaule J. R. Bruff 1937-8-17 924 Humboldt Richardson Grove. Comment
  HSC15654  Maianthemum racemosum subsp. amplexicaule J. R. Eichelberger 1964-5-5 71 Humboldt 0.5 mi. E of entrance to Azalea State reserve Comment
  HSC37816  Maianthemum racemosum subsp. amplexicaule Eugene Andreuccetti 1964-5-2 44 Humboldt On Hwy. 299 at cross of Cedar Creek Comment
  HSC79371  Maianthemum racemosum subsp. amplexicaule Kenneth Clark 1980-3-27 555 Humboldt On divide of N and S Forks of Dead Man's Gulch 122 Comment
  RSA289948  Maianthemum racemosum subsp. amplexicaule Lincoln Constance 1934-6-2 793 Humboldt Bull Creek road to mouth of Bull Creek, and up Bull Creek. Bull Creek region, South Fork Eel River Comment
  HSC97576  Maianthemum stellatum Cara Witte 2007-5-29 134 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1251 Comment
  UC127825  Malacothrix floccifera Harley P. Chandler June, 1901 1360 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  CAS-BOT-BC140138  Malus fusca Doris K. Kildale 1926-7-10 2343 Humboldt Big Lagoon Comment
  HSC18698  Malus fusca Gerald T. Rood 1962-5-6 9 Humboldt Kneeland Rd. ca. 1 mi. W of Barry Rd. Comment
  JEPS68651  Malva parviflora Lincoln Constance 1934-6-18 900 a Humboldt n border of Dyerville Flat (near South Fork Railroad Station and Post Office, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  CHSC46890  Marah oregana R. A. Schlising 1963-6-4 2584 Humboldt South of Orick, along Hwy 101 at Big Lagoon. 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
  UC1222345  Marah oregana Joseph P. Tracy 1951-5-20 19402 Humboldt Barry Ridge Kneeland Prairie 762 Comment
  HSC1869  Medicago polymorpha P. W. Shields 1956-4-14 Humboldt HSU campus Comment
  HSC45094  Medicago polymorpha R. Sutherland 1978-5-16 3 .16578 Humboldt Redwood Creek 143 Comment
  HSC48058  Medicago polymorpha Thomas W. Nelson 1978-4-24 3890 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC102229  Melica geyeri var. geyeri M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1150 Humboldt Patterson Meadows 1566 Comment
  RSA10102  Melica harfordii Joseph P. Tracy 1926-6-20 7651 Humboldt Horse Mountain. 1524 Comment
  UCD87504  Melica harfordii August L. Hormay 1932-5-12 s.n. Humboldt Bull Creek Road, Redwood Highway, north of Garberville. Comment
  HSC75451  Melica subulata J. O. Sawyer 1980-7-18 3588 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UCD88639  Melica subulata A. H. Murphy 1950-1 s.n. Humboldt E. M. Cottrell Ranch. Comment
  UCD88645  Melica subulata A. H. Murphy 1951-5-15 30 Humboldt 1/2 mile south of South Fork on McCann Road. Comment
  JEPS63288  Melissa officinalis W. L. Jepson 1932-8-2 16472 Humboldt Dyerville 76 Comment
  OBI13658  Mentha aquatica Joseph P. Tracy 1947-11-9 17945 Humboldt Ferndale 9 Comment
  UC577380  Mentha aquatica Joseph P. Tracy 1927-10-8 8388 Humboldt Arcata Bottom 9 Comment
  POM126654  Mentha canadensis M. H. Manning 1901-09 s.n. Humboldt Near Hupa. Comment
  JEPS63455  Mentha pulegium Joseph P. Tracy 1923-6-20 6336 Humboldt Briceland 304 Comment
  UC535736  Mentha pulegium Eleanor Armstrong 1156 Humboldt Richardson Grove Comment
  UCR3542  Mentha pulegium David Whistler, H. M. Whistler 1964-7-29 640729- 4 Humboldt North Coast Range, US 101, [South Fork Eel River] across the street from Myers Flat Store 63 Comment
  HSC70912  Mentzelia dispersa Gail Newton 1980-7-23 1740 Humboldt Near Packsaddle Ridge 1463 Comment
  UC154037  Menziesia ferruginea Joseph P. Tracy 1908-6-10 2676 Humboldt Region about Humboldt Bay, Freshwater Creek Freshwater Creek; Northern Coast Region, Region about Humboldt Bay, Freshwater 0 Comment
  UCR37537  Menziesia ferruginea L. P. Janeway 1983-5-3 258 Humboldt Community Forest Main Access Rd., east of HSU 168 Comment
  HSC98317  Micropus californicus var. californicus H. E. Parks 1930-5-25 872 Humboldt Laribee Valley 762 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
  JEPS36130  Microseris laciniata subsp. laciniata W. L. Jepson 1934-5-8 16720 Humboldt Redway n South Fork Eel River; Redway Comment
  CAS-BOT-BC349237  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  HSC58383  Microseris nutans Terry Griswold 1979-7-25 10913 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  HSC6101  Microseris nutans W. K. Parks 1933-7-15 5263 Humboldt South Fork Mtn. 1677 Comment
  CHSC57440  Microsteris gracilis L. P. Janeway 1984-6-23 899 Humboldt Titlow Hill. 1478 Comment
  HSC50571  Microsteris gracilis G. L. Clifton, Griswold 1979-8-1 12061 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UCSB10373  Mimulus aurantiacus var. aurantiacus Parks, H.; Parks, S. 1951-6-1 Humboldt Along bay shore near landing, Trinidad Comment
  HSC39618  Mimulus breweri Thomas W. Nelson, Jane P. Nelson 1976-6-15 2722 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC20704  Mimulus cardinalis Paul Shields 1955-8-12 Humboldt 1/2 mi. N of Miranda Comment
  UC198662  Mimulus douglasii Joseph P. Tracy 1915-5-20 4639 Humboldt Eureka Northern Coast Ranges Comment
  JEPS25699  Mimulus guttatus P. C. Hutchison 1961-5-22 2033 Humboldt 1/2 mi above Somes Bar (Hiway 299 ca. 100 ft. from Siskiyou Co. line) Comment
  JEPS10789  Mimulus inodorus Joseph P. Tracy Jul 16 1930-Jul 19 1930 8983 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC41881  Mimulus inodorus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC79337  Mimulus nanus var. nanus D. K. Imper 1982-6-30 Humboldt Near Goat Hill; adjacent to lakes Comment
  UC1196782  Mimulus pulsiferae Joseph P. Tracy 1933-8-30 13029 Humboldt near Clear Lake; North Coast Ranges, Grouse Mountain 1524 Comment
Read comments
Sep 10 2013
  SEINET6904196  Minuartia californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  SEINET202012  Minuartia cismontana J. P. Tracy 1948-6-13 18055 Humboldt Ridge top near Harris 914 Comment
  HSC57673  Minuartia pusilla G. L. Clifton, Griswold 1979-7-25 10866 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  JEPS49686  Mitella caulescens Joseph P. Tracy 1923-6-24 6361 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC25572  Mitella diversifolia J. O. Sawyer 1971-6-15 2383 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  JEPS49683  Mitella ovalis Jos. P. Tracy 1901-12-13 818 Humboldt Eureka Comment
  HSC55834  Mitella trifida G. L. Clifton, Griswold 1979-7-25 10760 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC76262  Mitella trifida Teresa Prendusi 1981-7-21 270 Humboldt Near Whiteys Peak 1646 Comment
  HSC99385  Moehringia macrophylla K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 34 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC48618  Moehringia macrophylla Mark Flippo 1978-5-20 88 Humboldt USFS Rd. 8N10 Comment
  UCD63139  Moehringia macrophylla Heather Mehl 2008-4-15 s.n. Humboldt California. Humboldt County: Redwood National Park, 11 miles east of Hwy 101 on Bald Hills Road. 640 Comment
  UCD99638  Mollugo verticillata Freed W. Hoffman 1946-8-16 1852 Humboldt in Russian River at Korbel. Comment
  HSC76524  Monardella odoratissima Teresa Prendusi 1981-7-21 273 Humboldt Near Whiteys Peak 1646 Comment
  RSA43889  Monardella odoratissima subsp. glauca H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain 1524 Comment
  HSC74409  Monardella odoratissima subsp. pallida Gail Newton 1980-8-10 2023 Humboldt Near Blake Mtn. 1798 Comment
  CAS-BOT-BC453471  Monotropa hypopitys Doris K. Kildale 1926-6-6 2111 Humboldt Trail to Gold Bluffs Comment
  HSC99495  Montia fontana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 155 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  UC162352  Montia fontana Joseph P. Tracy 1904-4-3 2004 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  HSC32090  Montia linearis D. E. Anderson, T. Nelson, S. Dowty 1972-6-17 5708 Humboldt McKeown Ranch, N of Dinsmore Comment
  CAS-BOT-BC445159  Montia parvifolia W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  UC162970  Montia parvifolia Joseph P. Tracy 1908-6 2708 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  JEPS43174  Montia parvifolia Milo S. Baker 1923-7-31 143 Humboldt Butte's Run; North Coast, Butte's Run Comment
  HSC89544  Morella californica M. Roantree 1985-4-28 14 Humboldt W side of Trinidad Head, along trail Comment
  CAS-BOT-BC260574  Muhlenbergia filiformis Joseph P. Tracy 1932-7-14 10544 Humboldt Klamath Mountains. At Corral Prairie 1524 Comment
  HSC10393  Muhlenbergia filiformis J. P. Tracy 1930-7-16 8920 Humboldt Near McKay Camp. 1677 Comment
  HSC99575  Muhlenbergia filiformis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 240 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
  UC1103785  Muhlenbergia filiformis H. E. Parks and Joseph P. Tracy 1934-6-27 11083 Humboldt Grouse Mt. Northern Coast Ranges 1432 Comment
  UC552838  Myosotis discolor Joseph P. Tracy 1935-5-25 13847 Humboldt Fort Seward North Coast Ranges, Fort Seward 106 Comment
  CAS-BOT-BC101668  Myrica californica Doris K. Kildale 1926-3-20 1551 Humboldt Big Lagoon Comment
  HSC77925  Myriophyllum hippuroides Peter Steclel Nov 1977 Humboldt Growing in Prairie Lake Comment
  HSC77876  Myriophyllum sibiricum Bruce Hulberg 1977-10-23 771023 .8 Humboldt Fish Lake Comment
  UC181244  Nassella pulchra Joseph P. Tracy 1914-5-14 4448 Humboldt Fort Seward Northern Coast Ranges (slopes) 121 Comment
  HSC100457  Nasturtium curvisiliqua Carl C. Marshall May 1885 45 Humboldt Peninsula near marsh. Comment
  CAS-BOT-BC60345  Nasturtium officinale Doris K. Kildale 1926-5-2 1901 Humboldt Willow Creek Flat. 152 Comment
  UC908394  Navarretia divaricata subsp. vividior Joseph P. Tracy 1934-7-9 13326 Humboldt n of Bell Springs; Northern Coast Ranges, Chamise Mt. 1066 Comment
  UC582694  Navarretia intertexta Joseph P. Tracy 1937-6-26 15363 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC23651  Navarretia intertexta subsp. propinqua C. C. Marshall 1888-1 Humboldt Comment
  SEINET12279161  Navarretia pubescens J. P. Tracy 1950-1 18861 Humboldt Dobbyn Creek, 3 mi NE of Alderpoint 213 Comment
  UC1198529  Navarretia squarrosa Joseph P. Tracy 1908-6 2853 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC17150  Navarretia squarrosa David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka. 15 Comment
  UC133643  Navarretia squarrosa J. P. Tracy 1909-7-18 3019 Humboldt Ocean Beach at Samoa Samoa Comment
  UC198635  Navarretia viscidula Joseph P. Tracy 1916-6-20 4732 Humboldt Alder Point Northern Coast Ranges 152 Comment
  UC1239737  Nemophila menziesii Joseph P. Tracy 1938-6-13 15919 Humboldt at Cold Springs , at Cold Springs (Grouse Mountain) 1432 Comment
  HSC96266  Nemophila menziesii var. atomaria M. Lindquist, C. Riley 2005-6-10 7 Humboldt Cold Spring Camp, 7.4 mi. S of Hwy. 299 on NF 1 1375 Comment
  HSC79523  Nemophila parviflora Kenneth Clark 1980-3-23 533 Humboldt Along S Fork of Dead Man's Gulch 61 Comment
  UC562593  Nemophila pedunculata Joseph P. Tracy 1925-4-5 6957 Humboldt at crossing Kneeland Road (Lawrence Creek); Lawrence Creek 457 Comment
  BLMAR149  Notholithocarpus densiflorus Donald Hazlett 1994-6-7 149 Humboldt King range, E-facing slope off horse mountain ridge 609 Comment
  HSC54573  Notholithocarpus densiflorus Overton, Butler 1979-7-24 9607 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC36066  Nuphar polysepala Wm. Henry 1973-5-12 Humboldt Clam Beach Lagoon, .5 mi. S of Little River Comment
  CDA38492  Oenanthe sarmentosa Margaret Bellue Jul 1933 s.n. Humboldt [no further data] 0 Comment
  HSC92718  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-24 Humboldt About 1 mi. S of Orleans along Hwy. 96 43 Comment
  CAS-BOT-BC171604  Oenothera wolfii Carl B. Wolf 1937-9-9 9307 Humboldt Coast, 2 mi. so. of Cape Mendocino 6 Comment
  HSC102088  Oreostemma alpigenum var. andersonii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 991 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC5070  Oreostemma alpigenum var. andersonii J. P. Tracy 1919-9-22 5278 Humboldt Trinity Summit 1890 Comment
  CAS-BOT-BC500233  Orobanche pinorum Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  HSC102611  Orobanche uniflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1598 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  CAS-BOT-BC6997  Orthocarpus castillejoides var. humboldtiensis Philip Alexander Munz 1925-6-20 9890 Humboldt Eureka Comment
  RSA202254  Orthocarpus erianthus var. gratiosus L. D. Thurman 1965-4-8 626 Humboldt 4.4 miles S of Samoa, growing along the roadside in sandy soil Comment
  JEPS26161  Orthocarpus imbricatus E. Ethel Tracy 1919-8-1 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1524 Comment
  HSC74434  Osmorhiza berteroi Gail Newton 1980-8-10 2064 Humboldt Near Blake Mtn. 1707 Comment
  HSC96211  Osmorhiza berteroi April A. Allard, Gregory D. O'Connell 2005-6-8 6 Humboldt 1.7 mi. S of Hwy. 299 on Titlow Hill Rd. 1005 Comment
  HSC96296  Osmorhiza occidentalis Laurel Goldsmith, Wanda Naylor 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  HSC71714  Osmorhiza purpurea M. A. Baker 1980-6-26 2435 Humboldt Near Sims Creek 610 Comment
  UC1103422  Oxalis albicans subsp. pilosa J. P. Tracy 1901-6-16 1149 Humboldt back of Bucksport 0 Comment
  HSC16718  Oxalis articulata subsp. rubra David K. Smith 1968-11-20 70 Humboldt At jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  HSC33742  Oxalis articulata subsp. rubra John Palmer 1975-5-24 374 Humboldt Samoa Dunes, off Samoa Blvd. across from the boat landing Comment
  JEPS43130  Oxalis corniculata Joseph P. Tracy 1918-11-17 5119 Humboldt Elk River Corners Northern Coast Ranges, Eureka 0 Comment
  CHSC70834  Oxalis incarnata Vernon Oswald 1998-4-16 8918 Humboldt Samoa Dunes Recreation Area at the south tip of the North Spit of Humboldt Bay. Along the road leading into the recreation area. 6 Comment
  HSC27893  Oxalis oregana Clifton Raymond Chesbrough 1973-6-19 65 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  RSA189638  Oxalis oregana Noel Holmgren, James L. Reveal 1966-6-8 2658 Humboldt Coast Range, east of Arcata, 1.5 miles south of Korbel. 274 Comment
  SD53235  Oxalis oregana Darley F. Howe 1962-5-22 3309 Humboldt 3.0 miles east of Orick n Bald Mountain road. 395 Comment
  CAS-BOT-BC318150  Packera bolanderi var. bolanderi J. Burtt Davy; W. C. Blasdale 1899-6-12 5453 Humboldt near Elk Prairie Comment
  SEINET200951 Image available Panicum capillare Joeseph P. Tracy, A. S. Hitchcock 1908-7-30 2929 Humboldt Valley of van Duzen River Opposite Buck mountain. Comment
  SEINET3133169  Panicum lanuginosum var. fasciculatum R. W. Spellenberg 1966-9-8 1630 Humboldt Bank of S. Fk. Eel River at Hwy. 101, 5 mi S of Barberville Comment
  UC1478544  Parentucellia viscosa Robert F. Thorne 1974-7-29 45075 Humboldt Samoa Dunes Comment
  HSC45223  Parentucellia viscosa M. Alcasas 1978-5-27 107 Humboldt On access road to Eel River Sawmills, 0.5 mi. from Hwy. 101 30 Comment
  HSC72402  Parentucellia viscosa J. P. Smith 1973-5-26 6788 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC104072  Parnassia palustris S. Carothers 2001-8-29 Humboldt Six Rivers National Forest; Lassics Botanical Area 1537 Comment
  UC169890  Paxistima myrsinites Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5754 Humboldt Trinity Summit Comment
  BLMAR493  Pectiantia ovalis Jennifer Wheeler 2009-4-30 493 Humboldt King range, Hidden Valley trail; trail start Comment
  HSC28196  Pedicularis densiflora Thomas W. Nelson 1971-4-4 368 Humboldt Bridgeville Comment
  HSC60284  Pedicularis densiflora Richard Spjut 1979-3-25 5425 Humboldt Tish Tang Campground, 2 mi. E of Hoopa, above the river Comment
  POM266544  Pedicularis racemosa Lester Rowntree 1937-8-9 s.n. Humboldt Summit Happy Camp Rd. Comment
  CHSC33041  Penstemon anguineus Thomas Nelson; Jane Nelson 1976-7-1 2907 Humboldt The Lassics. Growing along east side of Red Lassic; beside rd. 1S07. 1676 Comment
  HSC44531  Penstemon anguineus Brad Klipfel 1973-7-1 139 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC74472  Penstemon anguineus Gail Newton 1980-7-23 1742 Humboldt Near Packsaddle Ridge 1463 Comment
  UCR133559  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt near end of Forest Rd from Hoopa towards Trinity Summit 1372 Comment
  HSC32305  Penstemon azureus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5649 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC169083  Penstemon deustus Harley P. Chandler June, 1901 1459 Humboldt Bluff Creek North Coast Ranges, , Bluff Creek (Klamath River) 426 Comment
  JEPS11239  Penstemon deustus var. deustus Joseph P. Tracy 1935-7-28 14327 Humboldt Head of Devil's Hole Trinity Summit, Head of Devil's Hole 1828 Comment
  UC673098  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1940-5-5 16544 Humboldt Garberville Garberville (on river bar) 152 Comment
  HSC56200  Penstemon newberryi subsp. berryi Gilbert Muth 1979-8-1 12170 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  NY627429  Penstemon newberryi var. berryi J. P. Tracy 1930-7-16 8953 Humboldt South Fork Mountain: along summit near Blake lookout 1706.9 Comment
  HSC56044  Penstemon procerus var. brachyanthus G. L. Clifton, Terry Griswold 1979-7-31 11619 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  JEPS11498  Penstemon procerus var. brachyanthus Joseph P. Tracy 1932-7-12 10480 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  HSC32679  Penstemon purpusii Thomas W. Nelson 1973-7-10 1029 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  UC103111  Penstemon rattanii Volney Rattan June 1878 Humboldt Comment
  HSC1079  Pentagramma triangularis Jack Rockwell 1962-4-29 42 Humboldt S Bank of Van Duzen River, E of Hwy. 101 9 Comment
  HSC1085  Pentagramma triangularis J. Wendell Howe May 1931 Humboldt Horse Mtn. Comment
  HSC99564  Perideridia gairdneri subsp. borealis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 229 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
  JEPS146  Perideridia gairdneri subsp. gairdneri W. L. Jepson 1936-8-17 17918 Humboldt hillside 2 mi s Field's Landing Comment
  UC1222904  Phacelia bolanderi Joseph P. Tracy 1950-6-18 18852 Humboldt Briceland Comment
  HSC100721  Phacelia bolanderi Carl C. Marshall Jun 1887 409 Humboldt S Fork of Eel River and Eel River. Comment
  HSC99465  Phacelia heterophylla subsp. virgata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 119 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC57184  Phacelia mutabilis Griswold, Butler 1979-7-10 6383 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  JEPS1158  Phacelia mutabilis Joseph P. Tracy 1932-7-12 10432 Humboldt Corral Prairie Trinity Summit 1584 Comment
  BLMAR428  Phacelia nemoralis subsp. nemoralis Clara Sander 2004-8-4 428 Humboldt Titlow Hill, along Titlow Hilll road 914 Comment
  RSA22131  Phalaris californica J. T. Howell 1937-7-31 13718 Humboldt Between Redwood Creek and Korbel Comment
  UC1152047  Phalaris californica Joseph P. Tracy 1951-7-27 19630 Humboldt near Redcrest Englewood Comment
  JEPS49600  Philadelphus lewisii W. L. Jepson 1902-7-1 1964 A Humboldt Hupa Road Redwood Creek Comment
  JEPS49601  Philadelphus lewisii W. L. Jepson 1902-7-1 1964 Humboldt Hupa Road Redwood Creek Comment
  LA97948  Philadelphus lewisii Jane Turner; Francis M. Ball 1962-7-10 SK&F- 1145 Humboldt East Fork Willow Creek Forest Camp, Six Rivers National Forest, highway 299 ca. 5 mi. W of Willow Creek 457 Comment
  HSC58693  Phleum alpinum Overton, Butler 1979-8-2 12694 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA12538  Phleum alpinum C. B. Wolf 1934-7-2 5900 Humboldt Snow camp. (Mts. east of Korbel) 1372 Comment
  HSC8515  Phleum pratense True Hoyle 1967-7-24 28967 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  UC23903  Phlox adsurgens Harley P. Chandler Jun 1901 1534 Humboldt Klamath River North Coars Ranges 426 Comment
  UC1222725  Phlox gracilis Joseph P. Tracy 1950-5-7 18648 Humboldt head of Valley of South Yager Creek Valley of South Yager Creek 762 Comment
  CAS-BOT-BC141271  Phoradendron serotinum subsp. tomentosum Doris K. Kildale 1925-12-27 1458 Humboldt Kneeland Prairie Comment
  HSC92014  Phyllospadix scouleri G. Smith 1967-7-21 1980 Humboldt Patrick's Point State Park 0 Comment
  POM161067  Phyllospadix torreyi H. E. Parks 1924-8-7 s.n. Humboldt Trinidad. Comment
  SEINET3290582 Image available Phyllospadix torreyi Joseph P. Tracy 1938-9-9 16146 Humboldt Trinidad Comment
  UC275567  Phyllospadix torreyi H. E. Parks 1924-8-7 Humboldt Trinidad Northern Coast Ranges Comment
  SEINET3882874  Physaria kingii subsp. cobrensis C. Reed, Kathryn W. Rollins 1981-6-6 81229 Humboldt 8a, Charles Sheldon Wildlife Refuge, 43 miles northeast of Cedarville.; 0 Comment
  UC160987  Physocarpus capitatus Joseph P. Tracy 1911-5-29 3270 Humboldt near Hydesville 60 Comment
  UC249641  Physocarpus capitatus Joseph P. Tracy 1922-9-3 6110 Humboldt Klamath River at Bluff Creek 91 Comment
  HSC40943  Picea sitchensis Linda M. Barker 1976-4-13 1376 Humboldt 3 mi. W of Arcata Comment
  JEPS46729  Picea sitchensis J. P. Tracy Feb. 1901 Humboldt Humboldt Bay Comment
  UC137  Picea sitchensis J. P. Tracy 1901-4-17 Humboldt Samoa; Humboldt Bay Comment
  RSA46681  Pinus contorta var. contorta Doris K. Kildale 1937-8-12 15084 B Humboldt South Fork Mountain. Comment
Read comments
Jun 21 2012
  OBI33911  Pinus jeffreyi David J. Keil 1983-7-2 17315 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  HSC54513  Pinus monticola Overton, Butler 1979-7-23 9429 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC55145  Pinus monticola G. L. Clifton, Griswold 1979-8-1 12046 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC55156  Pinus monticola Gilbert Muth 1979-8-1 12109 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  CAS-BOT-BC79031  Pinus ponderosa Doris K. Kildale 1927-5-5 3108 Humboldt Elk Ridge Comment
  POM21740  Pinus sabiniana M. H. Manning 1902-05 340 Humboldt Hupa. Comment
  UC13528  Piperia elegans Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC14937  Piperia elegans Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 57721 Humboldt Trinity Summit trail, low down North Coast Ranges, Trinity Summit Comment
  UC1196432  Piperia elongata Joseph P. Tracy 1925-8-9 7224 Humboldt Salmon Creek Northern Coast Ranges, South Fork of Eel River 91 Comment
  HSC102544  Piperia unalascensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1534 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC881326  Plagiobothrys bracteatus Alice Eastwood and John Thomas Howell 1937-6-23 4811 Humboldt Little Van Duzen River Comment
  RSA517214  Plagiobothrys nothofulvus Barbara Ertter, Tom Delendick 1987-5-16 6929 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  POM126241  Plagiobothrys reticulatus 1907-6-20 2568 Humboldt Eureka 0 Comment
  POM126348  Plagiobothrys reticulatus 1909-6-13 22989 .75 Humboldt Blue Lake 30 Comment
  UC1239612  Plagiobothrys reticulatus Joseph P. Tracy 1935-5-25 13884 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  JEPS60969  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1904-7-4 2111 Humboldt Eureka Northern Coast Region 0 Comment
  UC206138  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1909-6-6 2988 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  UC1222203  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Box Camp Trinity Summit 1463 Comment
  UC1222206  Plagiobothrys scouleri Joseph P. Tracy 1946-5-30 17538 Humboldt 2 mi so Bridgeville 457 Comment
  HSC55273  Plantago lanceolata Overton, Butler 1979-8-2 12653 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC73154  Plantago lanceolata M. A. Baker 1980-5-18 1301 Humboldt Near Black Mtn. 1006 Comment
  UC1196134  Plantago major Joseph P. Tracy 1931-9-7 9657 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC585989  Plantago major Joseph P. Tracy 1931-9-13 9671 Humboldt Mouth of Eel River 6 Comment
  HSC16857  Plantago maritima C. E. Fellows 1965-5-17 79 Humboldt Luffenholtz Beach County Park Comment
  HSC16869  Plantago subnuda W. D. Stevens 1967-7-27 66 Humboldt Above Hwy. 101 W of Essex Ln. Comment
  UC1733682  Plantago subnuda Kay H. Beach, Frank Gould 1940-5-5 483 Humboldt north of Eureka along roadside; with Plantago major and Plantago lanceolata. Comment
  HSC55213  Platanthera dilatata var. leucostachys Walter Overton 1979-8-1 12369 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC36625  Platanthera dilatata var. leucostachys J. D. Ackerman 1975-7-11 539 Humboldt South end of Big Lagoon, near the boat ramp 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
  CAS-BOT-BC91641  Platystemon californicus Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka. Comment
  CAS-BOT-BC91645  Platystemon californicus Bolimannsou 1907-5-15 s.n. Humboldt Samoa. Comment
  UC146097  Platystemon californicus Joseph P. Tracy 1904-5-1 2047 Humboldt Bucksport; Northern Coast Region, Region about Humboldt Bay 0 Comment
  JEPS4804  Plectritis brachystemon Joseph P. Tracy 1936-5-29 14823 1/2 Humboldt French Camp Ridge 1066 Comment
  CHSC77469  Plectritis ciliosa subsp. insignis Vernon H. Oswald 2000-4-3 9913 Humboldt Samoa Road at the County Boat Ramp on the North Spit of Humboldt Bay. 4 Comment
  HSC35030  Plectritis congesta Thomas W. Nelson, James Nelson 1975-5-24 1842 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC95648  Plectritis congesta Andrea Pickart 2002-4-3 34 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  UC1239579  Plectritis congesta Joseph P. Tracy 1901-4-14 1016 Humboldt Ocean Beach at Humboldt Bay Ocean Beach Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC96230  Plectritis congesta subsp. brachystemon Kaylea Eickhoff, Cara M. Witte 2005-6-3 2 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1240 Comment
  HSC97496  Plectritis congesta subsp. brachystemon Cara Witte 2007-5-21 62 Humboldt White Oak Opening. 1257 Comment
  RSA256328  Pleuropogon refractus J. R. Reeder, C. G. Reeder 1973-5-26 6184 Humboldt 13 miles S of Klamath along Hwy 101 in Big Tree State Park 61 Comment
  UC1103791  Poa bolanderi Joseph P. Tracy 1935-7-28 14334 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  HSC73055  Poa compressa M. A. Baker 1980-7-23 3139 Humboldt Near Orleans Mtn. 1859 Comment
  POM126516  Poa confinis Joseph P. Tracy 1922-5-28 6056 Humboldt Little River Beach 6 Comment
  HSC10703  Poa douglasii L. H. Myers 1963-5-13 20 Humboldt Dunes W of Lanpheres Rd., Mad River Slough area. Comment
  UC1132657  Poa douglasii H. S. Yates 1936-6-18 5725 Humboldt near mouth Little River; Eureka Quadrangle Comment
  UCR80242  Poa douglasii J. P. Smith, Thomas W. Nelson 1977-6-30 9223 B Humboldt North Coast, Samoa Peninsula just east of the drag strip 6 Comment
  UC576260  Poa howellii H. S. Yates 1936-6-16 5683 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  UCD91137  Poa howellii A. Murphy 1951-3-27 s.n. Humboldt on Eel River near Ft. Seward, south bank. SE part of county. Comment
  CAS-BOT-BC255849  Poa kelloggii Joseph P. Tracy 1906-5-20 2463 Humboldt Near Eureka, region about Humboldt Bay 152 Comment
  HSC10723  Poa kelloggii J. P. Tracy 1926-4-25 7415 Humboldt Grizzly Creek on Van Duzen River. 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
  BLMAR301  Poa macrantha Jennifer Anthony-Wheeler 2002-6-15 301 Humboldt South Spit 6 Comment
  HSC10768  Poa pratensis N. R. Waite 1965-5-19 42 Humboldt W edge of Humboldt State University campus. Comment
  HSC10770  Poa pratensis R. D. Zortman 1963-5-5 32 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UCD91813  Poa pratensis Linda M. Barker 1976-6-1 1567 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA167307  Poa secunda Joseph P. Tracy 1951-6-26 19543 Humboldt 2 miles west of Snow Camp (same place from which Mr. Murphy's (Davis, U. C.) test plots of this species were taken.) At Beck's Place, Hydesville 1220 Comment
  UC1103169  Poa secunda subsp. secunda Joseph P. Tracy 1921-4-24 5465 Humboldt facing S Fork of Eel River Phillipsville; Northern Coast Ranges 121 Comment
  UC1607861  Poa secunda subsp. secunda H. E. Parks 1926-5-9 7466 Humboldt head of South Yager Creek Comment
  UC525659  Poa secunda subsp. secunda Joseph P. Tracy Jul 16 1930-Jul 19 1930 9053 Humboldt near Blake lookout South Fork Mountain; Northern Coast Ranges 1737 Comment
  UC525667  Poa secunda subsp. secunda Joseph P. Tracy 1927-5-15 8051 Humboldt w Hoopa Valley (Supply Creek); North Coast Ranges 304 Comment
  UC525618  Poa trivialis Joseph P. Tracy 1926-6-12 7590 Humboldt near Orick (at Davison's Ranch on Prairie Creek); North Coast Ranges 60 Comment
  UCD92111  Poa trivialis Joseph P. Tracy 1950-6-8 18723 Humboldt Bear River Ridge. 609 Comment
  SEINET2474044 Image available Poa unilateralis Joseph P. Tracy 1910-4-24 3124 Humboldt Sand dunes of Ocean Beach at Humboldt Bay. Comment
  CHSC57441  Polygala californica L. P. Janeway 1984-6-20 849 Humboldt Slope above Klamath River at unnamed 'River Access' ca 1 mi north of Orleans. 198 Comment
  HSC17226  Polygala californica Paul Shields 1955-6-12 Humboldt 6 mi. W of Myers Flat Comment
  SBBG93447  Polygala californica H. P. Chandler -Jun-1901 1328 Humboldt Hupa [Hoopa] Indian Reservation 152 Comment
  HSC54507  Polygala cornuta Overton, Butler 1979-7-23 9408 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC54520  Polygala cornuta Overton, Butler 1979-7-23 9448 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  HSC17467  Polygonum aviculare P. W. Shields 1955-6-18 Humboldt HSC Campus Comment
  HSC53981  Polygonum douglasii Griswold, Butler 1979-7-11 7056 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC57966  Polygonum minimum G. L. Clifton, Griswold 1979-7-31 11683 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1222329  Polygonum minimum Joseph P. Tracy 1950-8-8 19281 Humboldt on trail between Box Camp and Croghan Hole; Trinity Summit 1676 Comment
  HSC38939  Polygonum paronychia Linda M. Barker 1976-5-13 1487 Humboldt 3 mi. W of Arcata. Comment
  UC672979  Polygonum phytolaccifolium Joseph P. Tracy 1933-7-26 12921 Humboldt Grouse Mountain; around old cabin 1524 Comment
  CAS-BOT-BC419957  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1935-7-28 14316 Humboldt Trinity Summit. Head of Devil's Hole 1828 Comment
  HSC48864  Polygonum polygaloides subsp. kelloggii Brad Klipfel 1973-6-10 57 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CDA2926  Polygonum polystachyum T. C. Fuller 1961-9-27 7040 Humboldt Slope of bluff north above mouth of Redwood Creek, 1.5 miles west of Orick. 0 Comment
  HSC99101  Polygonum polystachyum Cara Witte 2007-6-12 244 Humboldt Intersection of 4N70 and 4N32. Intersection to Grouse Mountain Lookout. 1628 Comment
  HSC54663  Polygonum spergulariiforme Overton, Butler 1979-7-25 9905 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  CAS-BOT-BC76843  Polypodium glycyrrhiza Carl D. Duncan 1920-9-22 s.n. Humboldt Supply Creek, Hoopa Comment
  UC667949  Polypodium glycyrrhiza Joseph P. Tracy 1936-3-8 14775 Humboldt along S Fork Eel River Miranda 121 Comment
  CAS-BOT-BC72082  Polypodium scouleri Ira L. Wiggins 1930-7-11 4686 Humboldt near Samoa Comment
  HSC26462  Polypodium scouleri T. O. Osborne 1970-4-8 16 Humboldt Sugarloaf Rock, Cape Mendocino 61 Comment
  UC1132889  Polypogon australis H. L. Person 1932-5-19 Humboldt near Arcata (<Mendocino cutover area>); Eureka Quad. Comment
  POM252888  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile NE of Samoa 3 Comment
  SEINET200576 Image available Polypogon interruptus Joseph P. Tracy 1927-7-16 8260 Humboldt on pasture. Comment
  UC163618  Polypogon interruptus Jos. Burtt Davy and W. C. Blasdale 1899-5 5495 Humboldt Pepperwood Comment
  HSC79387  Polypogon monspeliensis Kenneth Clark 1979-7-1 459 Humboldt Shelter Cove. One beach at base of cliffs; first reef of Point Delgada headlands. 5 Comment
  UC1145085  Polypogon monspeliensis Joseph P. Tracy 1942-6-15 17144 Humboldt on South Fork of Eel River opposite Redway (Redwood Creek); South Fork of Eel River, Redwood Creek 91 Comment
  HSC65985  Polystichum imbricans Gail Newton 1980-7-23 1714 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC48478  Polystichum imbricans Brad Klipfel 1974-9-17 578 Humboldt Along ridge N of Horse Mtn. Comment
  CHSC31316  Polystichum munitum Mark Stopher 1980-6-4 86 Humboldt Along Elk River near Rte 101 bridge. 1 Comment
  HSC54652  Polystichum munitum Overton, Butler 1979-7-25 9860 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC906749  Polystichum munitum Joseph P. Tracy 1947-7-9 17843 Humboldt Horse Mt. 1432 Comment
  UCD136559  Polystichum munitum Joseph M. DiTomaso 1976-3-28 352 Humboldt West of Lord Ellis summit on Highway 299 between Arcata and Willow Creek. 762 Comment
  HSC1150  Polystichum munitum J. W. Johnson 1962-3-9 1181 Humboldt Along Lanphere Lane, 150 ft. from gate, Samoa Peninsula Comment
  HSC79150  Polystichum munitum C. J. Thomas 1984-9-25 118 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  UC812661  Polystichum munitum George Neville Jones 1926-3-22 8671 Humboldt near Garberville Comment
  CAS-BOT-BC102905  Populus trichocarpa Doris K. Kildale 1926-3-24 1618 Humboldt Lindsey Creek bridge - Lower Mad River 26 Comment
  UC1198265  Potamogeton natans Joseph P. Tracy 1917-5-30 4809 Humboldt near mouth of Little River; Northern Coast Ranges 6 Comment
  UCSB24728  Potamogeton natans Keefe, Joseph 1967-7-8 Humboldt east side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka. 6 Comment
  CAS-BOT-BC454066  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  HSC18733  Potentilla anserina subsp. pacifica W. R. Brigham 1962-5-19 13 Humboldt S of Big Lagoon. Comment
  CAS-BOT-BC143071  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park 4 Comment
  HSC48754  Potentilla gracilis var. fastigiata Brad Klipfel 1973-6-10 55 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA135410  Potentilla palustris Volney Rattan 1883-6-4 s.n. Humboldt 3 miles from Eureka Comment
  HSC57112  Prosartes hookeri Overton, Butler 1979-7-25 9855 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UCD139805  Prosartes hookeri H. P. Olmo 1931-6-8 s.n. Humboldt near Orich. Comment
  HSC103987  Prosartes smithii E. R. Fyer 2015-4-29 31 Humboldt Arcata Community Forest 129 Comment
  SBBG983  Prosartes smithii H. and M. Dearing 1933-5-16 257 Humboldt near Weott Comment
  CAS-BOT-BC517513  Prosartes smithii Michael A. Hanson 1990-5-21 70 Humboldt 0.5 miles (0.8 km) east of Humboldt State University Life Science Building in Arcata near a stream in Redwood Forest. Comment
  HSC59658  Prosartes smithii Marla J. Carollo 1979-4-10 4 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  SEINET12044820  Prosartes smithii Unknown 1933-1 3413 Humboldt Dyerville, South Fork of Eel River Comment
  HSC328  Prunella vulgaris J. Wendell Howe Humboldt Y Camp, Redway, Rocky Beach Comment
  UC1321005  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-1 629 -2 Humboldt Comment
  UC154253  Prunus emarginata Joseph P. Tracy 1906-4-15 2402 Humboldt near Blue Lake (on Mad River); Northern Coast Ranges, Mad River 30 Comment
  CAS-BOT-BC154738  Prunus virginiana var. demissa Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  UC582514  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  CAS-BOT-BC357605  Pseudognaphalium stramineum L. R. Abrams 1922-6-25 8223 Humboldt 6 mi north of Garberville Comment
  CAS-BOT-BC80119  Pseudotsuga menziesii L. B. Kildale 1930-9-21 10219 Humboldt Bluff Creek trail to Fish Lake Comment
  HSC98638  Pseudotsuga menziesii Cara Witte 2008-7-11 884 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  UC1174841  Pseudotsuga menziesii var. menziesii P. C. Everett and E. K. Balls 1959-10-25 23971 Humboldt 7 mi sw from Ferndale (along Old Coast Road to Capetown.); Old Coast Road 563 Comment
  UC63997  Pseudotsuga menziesii var. menziesii Mrs. M. H. Manning 1902-4-7 Humboldt Comment
  HSC77905  Psilocarphus brevissimus var. brevissimus L. P. Janeway, Paul Wilson 1984-5-25 831 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  UC673081  Psilocarphus brevissimus var. brevissimus Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16674 Humboldt Grouse Mt. 1554 Comment
  UC198649  Psilocarphus tenellus Joseph P. Tracy 1917-5-27 4783 Humboldt Eureka Northern Coast Ranges 0 Comment
  SD42991  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  UC503059  Pteridium aquilinum var. pubescens Joseph P. Tracy 1932-7-20 10732 Humboldt Corral Prairie Trinity Summit; Klamath Mts 1524 Comment
  SEINET200759  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-6-3 8600 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  CAS-BOT-BC460601  Pyrola aphylla Mrs. William Hammond no date on label s.n. Humboldt Fort Seward Comment
  UC32693  Pyrola asarifolia Chestnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  RSA47165  Pyrola asarifolia subsp. bracteata Doris K. Kildale 1927-7-10 3730 Humboldt Gans Prairie, Bald Mountain Comment
  HSC100475  Pyrola bracteata Carl C. Marshall Jun 1885 107 Humboldt Higher hills. Comment
  UC153965  Pyrola picta Joseph P. Tracy 1909-7-31 3047 Humboldt Kneeland Prairie 762 Comment
  UC154161  Pyrola picta Mrs. M. H. Manning 1900-1 Humboldt near Hupa, Bald Hill Comment
  NY42917  Pyrus malus J. B. Walker 1995-4-26 1386 Humboldt Six Rivers National Forest, Hwy 36, 2km W of Cobbs 800 Comment
  UC1196363  Quercus X morehus Joseph P. Tracy 1916-6-19 4723 Humboldt North Fork of Dobbyn Creek Northern Coast Ranges 182 Comment
  HSC41321  Quercus chrysolepis Brad Klipfel 1974-9-2 526 Humboldt Horse Mountain Comment
  HSC54647  Quercus chrysolepis Overton, Butler 1979-7-25 9847 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  JEPS38040  Quercus chrysolepis Lincoln Constance 1934-6-15 885 Humboldt Summit of Grasshopper Peak South Fork Eel River, Bull Creek Region 975 Comment
  CAS-BOT-BC94311  Quercus garryana Doris K. Kildale 1926-8-22 2571 Humboldt Bald Hills 716 Comment
  CAS-BOT-BC94315  Quercus garryana Doris K. Kildale 1927-6-25 3580 Humboldt Ettersburg Comment
  HSC8236  Quercus garryana D. E. Anderson 1961-9-3 1778 Humboldt Comment
  UC667985  Quercus garryana var. breweri Joseph P. Tracy 1935-7-14 14091 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC8263  Quercus kelloggii Francis Winter 1960-4-24 Humboldt 1.0 mi. N of Redwood Creek Ranch 396 Comment
  JEPS38041  Quercus kelloggii Lincoln Constance 1934-5-29 738 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  SBBG111333  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt House Mtn at jct of rd to Grouse Mtn and rd to Horse Mtn Mine 1463 Comment
  UC1083222  Quercus vacciniifolia Herbert L. Mason 1932-7-21 7108 Humboldt on road from Arcata to Weaverville (e slope of Southfork Mountains); Southfork Mountains Comment
Read comments
Oct 6 2006
  CAS-BOT-BC539322  Quercus wislizeni Lois Weeth; Kerry Heise; John M. Tucker 2003-10-21 s.n. Humboldt 22 mi from Garberville along Alderpoint Rd; stop #2 116 Comment
  UC1196505  Quercus wislizeni Joseph P. Tracy 1925-8-23 7246 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC275586  Quercus wislizeni Joseph P. Tracy 1923-10-14 6578 Humboldt North Dobbyn Creek Northern Coast Ranges 152 Comment
  UC1196259  Ranunculus alismifolius Joseph P. Tracy 1912-7-31 3905 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (nw slope of mt.) 1066 Comment
  CAS-BOT-BC379175  Ranunculus aquatilis var. aquatilis Doris K. Kildale 1926-4-18 1769 Humboldt McClellan Mountain Comment
  UC162340  Ranunculus aquatilis var. capillaceus Joseph P. Tracy 1911-7-10 3486 Humboldt near mouth of Willow Creek; Northern Coast Ranges, valley of Trinity River 152 Comment
  POM269618  Ranunculus flammula var. ovalis Joseph P. Tracy 1934-7-30 13499 Humboldt Dry Lagoon (Along coast in front of South End of Stone Lagoon.) 3 Comment
  HSC39443  Ranunculus muricatus Linda M. Barker 1976-4-30 1404 Humboldt 3 mi. W of Arcata Comment
  UC1196217  Ranunculus occidentalis Joseph P. Tracy 1899-3-15 4 1/2 Humboldt Eureka; in garden Comment
  SEINET6908794  Ranunculus occidentalis var. occidentalis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC75828  Ranunculus orthorhynchus var. bloomeri Bill Copeland 1980-7-2 312 Humboldt Near Snow Camp Mtn. 1311 Comment
  HSC75863  Ranunculus orthorhynchus var. platyphyllus Bill Copeland 1980-6-26 306 Humboldt Near Murphy Meadow 914 Comment
  HSC18179  Ranunculus repens var. repens Harvey Doerksen 1962-5-8 22 Humboldt 3 mi. W of Blue Lake, fork of Lindsay Creek and Mad River Comment
  HSC39396  Ranunculus uncinatus var. parviflorus D. E. Anderson, J. P. Smith 1971-6-28 1249 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  RSA8097  Rhamnus californica Carl B. Wolf 1927-8-30 1226 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
  RSA7735  Rhamnus californica subsp. occidentalis Carl B. Wolf 1927-8-28 1172 Humboldt On grade 9 miles from Willow Creek, Lord Ellis Road to Blue Lake Comment
  JEPS41952  Rhamnus purshiana W. L. Jepson 1902-7-15 2032 Humboldt Mud Spring to Trinity Summit 1219 Comment
  UC1197988  Rhamnus purshiana Joseph P. Tracy 1935-7-25 14238 Humboldt lower end of Brett Hole Trinity Summit, Brett Hole 1584 Comment
  HSC23118  Rhododendron columbianum Norman Dennis 1965-6-3 143 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  HSC91899  Rhododendron columbianum Susan H. Bicknell 1987-9-1 Humboldt Patrick's Point State Park, Penn Creek campground Comment
  UC604659  Rhododendron occidentale Joseph P. Tracy 1938-6-16 15946 Humboldt Trinidad 60 Comment
  UCSB18968  Rhododendron occidentale Jensen, Karen 1965-4-14 Humboldt Along U.S. Highway 101, 1 km. S of Trinidad 45 Comment
  CAS-BOT-BC200377  Rhododendron occidentale var. paludosum L. R. Abrams 1922-6-25 8253 Humboldt Arcata Comment
  HSC96473  Rhododendron occidentale var. paludosum Gordon Leppig 1997-6-19 456 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  POM89461A  Rhododendron occidentale var. paludosum L. R. Abrams 1922-6-25 8253 Humboldt Arcata. Comment
  RSA471005  Rhododendron occidentale var. paludosum Hutchinson 1927-05 Humboldt [No location data on label.] Comment
  CAS-BOT-BC433138  Ribes Doris Kildale 1931-5-10 10579 Humboldt Snow Camp Comment
  HSC102638  Ribes binominatum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1622 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC58162  Ribes binominatum G. L. Clifton, Griswold 1979-8-2 12226 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC667066  Ribes binominatum Joseph P. Tracy 1933-8-30 13058 Humboldt on e slope Grouse Mountain (near lookout station) 1615 Comment
  UC1225766  Ribes divaricatum var. pubiflorum Joseph P. Tracy 1941-3-26 16813 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  UC1541338  Ribes divaricatum var. pubiflorum Parks and Parks 1932-4-10 Humboldt Blue Slide Van Duzen River Comment
  UC1198951  Ribes inerme var. klamathense Joseph P. Tracy 1935-5-30 13915 Humboldt Willow Creek Trinity River Valley 152 Comment
  CAS-BOT-BC176804  Ribes laxiflorum Harley P. Chandler 1901-5-1 1202 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC173365  Ribes lobbii J. H. Thomas 1949-6-13 912 Humboldt Along trail between Le Perron Flat and Whitey's Peak. Six Rivers National Forest. (East of town of Orleans) 1371 Comment
  HSC103237  Ribes lobbii Jade Paget-Seekins 2010-6-22 22 Humboldt Horse Mountain. 10 miles up Titlow Hill Road, on Forest Route 1. 1591 Comment
  JEPS49360  Ribes lobbii Jos. P. Tracy 1913-6-17 4189 Humboldt near summit Buck Mt. Comment
  UC492232  Ribes lobbii Joseph P. Tracy 1927-5-15 8065 Humboldt w Hoopa (near summit on Road to Bair's); Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC100492  Ribes lobbii Carl C. Marshall Jul 1886 264 Humboldt Coyote Camp, Lyon's Range. Comment
  HSC102610  Ribes marshallii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1597 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  CSUSB1882  Ribes menziesii Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC100493  Ribes menziesii Carl C. Marshall Apr 1886 134 Humboldt Everywhere about the bay. Comment
  UC552244  Ribes menziesii Joseph P. Tracy 1934-8-11 13565 Humboldt 2 mi e Arcata (Fickle Hill); North Coast Ranges 304 Comment
  HSC103114  Ribes nevadense M. Mesler, Jen Kalt 2010-8-6 839 Humboldt Trail to Trinity Summit from Water Dog Lakes (6E08, Horse Ridge National Recreation Trail) 1833 Comment
  UCD102415  Ribes nevadense Hemphill, D. V. 1972-10-8 7033 Humboldt Near Bennett Peak and Hyampom. 1219 Comment
  UC1198950  Ribes roezlii var. amictum Joseph P. Tracy 1930-7-27 9111 Humboldt near Petrolia; North Coast Ranges, Mattole River 15 Comment
  JEPS49459  Ribes roezlii var. cruentum Joseph P. Tracy 1922-4-30 6041 Humboldt mountain slopes along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges, Three Creeks 670 Comment
  UC1198942  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18397 Humboldt Grouse Mountain 1584 Comment
  UC1198943  Ribes roezlii var. cruentum Joseph P. Tracy 1927-3-27 7871 Humboldt East Fork of Willow Creek Northern Coast Ranges, Willow Creek Canyon 457 Comment
  RSA0024584  Ribes roezlii var. cruentum H. M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans. Comment
  HSC71795  Ribes sanguineum Gail Newton 1980-6-16 172 Humboldt Near Monks Camp. 1097 Comment
  CAS-BOT-BC144679  Ribes sanguineum var. glutinosum Doris K. Kildale 1926-8-8 2479 Humboldt Dyerville, south Fork of Eel River 51 Comment
  CAS-BOT-BC144692  Ribes sanguineum var. glutinosum Carl B. Wolf 1927-8-29 1191 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge-- Mt. Glen Comment
  CAS-BOT-BC144697  Ribes sanguineum var. glutinosum Doris K. Kildale 1928-7-29 5926 Humboldt Bear River at Capetown 15 Comment
  UC154116  Ribes sanguineum var. glutinosum J. P. Tracy 1909-3-29 2948 Humboldt immediate vicinity Eureka 0 Comment
  UC902086 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1949-4-10 18281 Humboldt North Coast Ranges, Redwood Creek, at Berry's Redwood Creek; North Coast Ranges, Redwood Creek 365 Comment
  UC921844  Ribes sanguineum var. glutinosum C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  CHSC97983  Ribes viscosissimum April A. Allard; Gregory D. O'Connell 2005-6-15 13 Humboldt NE of Grouse Mtn. Roadside. 5339 Comment
  SD129723  Romanzoffia californica Barbara Ertter, Thomas J. Delendick 1987-5-16 6937 Humboldt 3 mi E of Berry Summit on Hwy 299, ca 20 airmiles E of Arcata; base of large volcanic roack on S side of road above Willow Creek 800 Comment
  UC552251  Romanzoffia californica Joseph P. Tracy 1925-4-5 6954 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA95496  Romanzoffia californica L. S. Rose 1954-4-24 54015 Humboldt Trinidad Head. Comment
  NY337230  Romanzoffia tracyi J. P. Tracy 1933-5-9 11008 Humboldt Vicinity of Trinidad 15.2 Comment
  UC1222364  Romanzoffia tracyi Joseph P. Tracy 1950-6-17 18829 Humboldt in <Tracy> garden Eureka Comment
  JEPS53873  Rorippa curvisiliqua Lincoln Constance 1934-5-27 691 Humboldt gravel bar of South Fork Eel River s end Dyerville Bridge; Bull Creek Region, South Fork Eel River 45 Comment
  CAS-BOT-BC410928  Rorippa palustris subsp. hispida Henry M. Pollard 1945-8-28 s.n. Humboldt Near Harley Place; near Orleans Comment
  POM275377  Rosa eglanteria Lyman D. Benson 1929-7-16 1846 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  HSC19635  Rosa gymnocarpa G. N. Bos 1965-5-15 263 Humboldt 4 mi. W of Berry Summit, along Hwy. 299 671 Comment
  RSA113163  Rosa gymnocarpa Roxana S. Ferris 1955-7-11 12971 Humboldt E of summit near Willow Creek, along US Hwy 299 Comment
  UC667030  Rosa gymnocarpa Joseph P. Tracy 1936-8-7 15107 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  CAS-BOT-BC146527  Rosa gymnocarpa Volney Rattan 1883-6-1 s.n. Humboldt Trinity River below the Forks Comment
  HSC100635  Rosa gymnocarpa Carl C. Marshall Jun 1885 70 Humboldt High hills and mtns. Comment
  UC1199037  Rosa gymnocarpa var. serpentina Joseph P. Tracy 1939-8-16 16404 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC146835  Rosa nutkana Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC588191  Rosa nutkana var. nutkana H. E. and S. T. Parks June, 1937 24021 Humboldt Spruce Cove Trinidad Comment
  CAS-BOT-BC148346  Rosa pisocarpa Doris K. Kildale 1928-7-1 5307 Humboldt French Camp on orick-Martin's Ferry Road Comment
  UC667037  Rosa pisocarpa Joseph P. Tracy 1933-7-25 12898 Humboldt hillside Grouse Mt. 1524 Comment
  CAS-BOT-BC146878  Rosa rubiginosa Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River near Boyce Creek, Orleans region Comment
  HSC47955  Rosa spithamea Brad Klipfel 1974-7-23 474 Humboldt Horse Mountain Comment
  UC162328  Rosa spithamea Joseph P. Tracy 1911-7-11 3514 Humboldt hillside on Supply Creek Northern Coast Ranges, Hoopa Valley 182 Comment
  UC673070  Rubus Joseph P. Tracy 1940-10-17 16762 Humboldt near Dyerville (South Fork Station); South Fork Station (near Dyerville) 48 Comment
  UCD113775  Rubus armeniacus K. Twitchell 1996-5-11 27 Humboldt Crannell, along old Highway 101 at Moonstone Beach access. 36 Comment
  CAS-BOT-BC148382  Rubus leucodermis John Thomas Howell; Alice Eastwood 1937-6-22 4740 Humboldt Near Alder Point Comment
  POM271092  Rubus leucodermis Lyman D. Benson 1928-7-8 386 Humboldt Weott Ranger Station. Seaward N Coast Mt. Range, S Fork Eel River. 61 Comment
  RSA89562  Rubus leucodermis Philip A. Munz 1954-7-23 19862 Humboldt About 6 miles E of Dinsmore's. 762 Comment
  UC492168  Rubus leucodermis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8905 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC902131  Rubus leucodermis Joseph P. Tracy 1947-8-24 17911 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC31795  Rubus parviflorus Steve Selva, Roger Jensen 1974-8-28 98 Humboldt Behind Humboldt State University, Arcata. Comment
  HSC56189  Rubus parviflorus Gilbert Muth 1979-8-1 12126 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  RSA523867  Rubus parviflorus G. H. True 1936-5-12 473 Humboldt 5 miles S of Kneeland. 457 Comment
  SBBG115409  Rubus parviflorus A. T. Leiser 1980-7-9 Humboldt N of Orick, Hwy 101 reroute, near Redwood Park Comment
  UCSB30625  Rubus parviflorus Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca 1/2 - 3/4 mi in on dirt road from jct. with Fickle Hill Rd, ca 1/4 mi E of junction of Fickle Hill Rd and Park Av. Arcata Comment
  UC492170  Rubus praecox H. E. Parks and Joseph P. Tracy 1932-8-13 10347 Humboldt 3 mi e Trinidad; Northern Coast Region 60 Comment
  SEINET10542893  Rubus procerus Charlene A. Bennett 1976-8-6 Bennett 485 Humboldt By hwy 101, n side of orick. Rocky area, densely forested by river. Flowers Pink 30 Comment
  CAS-BOT-BC156720  Rubus spectabilis W. R. Dudley 1899-6-21 s.n. Humboldt Engelwood Brook - Eel River Comment
  CHSC13518  Rubus spectabilis A. R. Morrison 1974-4-27 Humboldt Ca. 1.5 mi. off Hwy. 101 on Westhaven Rd., Trinidad. 45 Comment
  HSC19685  Rubus spectabilis Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  HSC22495  Rubus spectabilis D. Connell 1965-5-11 54 Humboldt Arcata, Jolly Giant Creek Comment
  HSC34629  Rubus spectabilis A. M. Montalvo 1975-4-9 203 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  HSC60111  Rubus spectabilis M. A. Baker 1977-5-1 278 Humboldt E of Humboldt State University. Comment
  UC154504  Rubus spectabilis Harley P. Chandler May, 1901 1096 Humboldt Scotia North Coast Ranges, Scotia 60 Comment
  CAS-BOT-BC158789  Rubus ursinus C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC56343  Rubus ursinus Griswold, Butler 1979-7-10 6268 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC96508  Rubus ursinus Gordon Leppig 1999-4-15 1115 Humboldt Big Lagoon County Park Comment
  HSC99432  Rubus ursinus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 81 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD113990  Rubus ursinus Linda M. Barker 1976-6-1 1565 Humboldt 3 miles west of Arcata. Comment
  UCD17612  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 053 Humboldt California. Humboldt County: 6 miles from Dyerville junction of U.S. 101, on road to Weitchpec. Comment
  HSC101448  Rubus ursinus subsp. macropetalus Cara M. Witte 2008-6-27 761 Humboldt Approximately 1.5 miles south of intersection of National Forest 1 and 5N04 1546 Comment
  HSC98908  Rubus ursinus subsp. macropetalus Cara Witte 2007-6-1 172 Humboldt Near intersection of National Forest 1 and Forest Service Road 5N10. 1441 Comment
  SEINET5710899  Rudbeckia occidentalis Lowell E. Urbatsch 1990-1 6799 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the road 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 rd. (FD 7 NO4) travel 1.5 miles to another fork; continue on 7No4N (the left fork) for 7.4 miles. At this point, take 7NO4N, the rd 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
  HSC17568  Rumex acetosella Gerald T. Rood 1962-5-6 16 Humboldt Kneeland Rd. ca. 1 mi. W of Barry Rd. Comment
  HSC17577  Rumex acetosella Norman H. Moe 1962-3-21 Humboldt Lanphere's Place Comment
  CAS-BOT-BC421932  Rumex acetosella Kenneth Clark 1980-3-1 510 Humboldt Shelter Cove. Dead Man's Gulch. 51 Comment
  HSC34704  Rumex crispus Thomas W. Nelson 1974-7-20 1700 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC90647  Rumex crispus Gail Newton 1982-6-10 3604 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1222604  Rupertia physodes Joseph P. Tracy 1950-6-15 18783 Humboldt 7 mi n Harris; Mail Ridge, Jenk's Ranch Comment
  HSC9564  Rytidosperma penicillatum True Hoyle 1967-6-24 26167 Humboldt 20 mi. S of Arcata near Little Salmon Creek on the Marvin Stapp Ranch 46 Comment
  UC229830  Sagina apetala Joseph P. Tracy 1922-4-30 6007 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC275481  Sagina apetala Joseph P. Tracy 1925-5-30 7015 Humboldt at Kemp's Maple Grove Ranch Bridgeville; Northern Coast Ranges, , Kemp's Maple Grove Ranch 228 Comment
  JEPS79973  Sagina maxima subsp. crassicaulis Joseph P. Tracy 1940-5-18 16564 Humboldt Trinidad 15 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
  RSA5652  Salix exigua H. E. Parks, Joseph P. Tracy 1931-5-17 971 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  CAS-BOT-BC104099  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0969 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC107758  Salix hookeriana Harold E. Parks 1931-8-1 01053 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107774  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-12 1246 Humboldt Gravelly floodplain of Van Dezen River at Blue Slide 91 Comment
  HSC40869  Salix hookeriana Linda M. Barker 1976-3-22 1340 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  RSA34284  Salix hookeriana Doris K. Kildale 1926-3-28 1691 Humboldt Redwood Creek at Berry's. Comment
  SBBG59110  Salix hookeriana H. E. Parks -Aug-1931 1053 Humboldt Little River Lagoon Comment
  SBBG59111  Salix hookeriana H. E. Parks 1931-3-24 914 Humboldt Eel River, Fortuna 10 Comment
  UC1196557  Salix hookeriana Joseph P. Tracy 1933-11-12 13114 Humboldt along S. Fork Eel R. Miranda; North Coast Ranges 91 Comment
  UC1196672  Salix hookeriana Joseph P. Tracy 1935-3-3 13717 Humboldt mouth of Mad R. 6 Comment
  UC1196680  Salix hookeriana Joseph P. Tracy 1920-2-29 5312 Humboldt Ryans Slough Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC1196681  Salix hookeriana Joseph P. Tracy 1919-3-30 5123 Humboldt Jacoby Creek Northern Coast Ranges, around Humboldt Bay (near the quarry) 91 Comment
  UC212999  Salix hookeriana Joseph P. Tracy 1920-2-29 5309 Humboldt Ryans Slough Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC275498  Salix hookeriana Joseph P. Tracy 1925-10-11 7280 Humboldt near Kneeland Prairie (near Loren Frost place on Kneeland Rd.); Northern Coast Ranges 609 Comment
  UC470440  Salix hookeriana Joseph P. Tracy 1931-9-20 9685 Humboldt Trinidad Northern Coast Region 60 Comment
  UC490456  Salix hookeriana Joseph P. Tracy 1932-5-10 9954 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC492344  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC512086  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC512110  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1205 Humboldt 4 1/2 mi s Trinidad (Little River Lagoon); Little River Lagoon Comment
  HSC75962  Salix jepsonii Overton, Butler 1979-8-2 12592 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  JEPS14760  Salix laevigata Joseph P. Tracy 1932-7-31 10290 Humboldt along Eel River at mouth of Larrabee Creek; Northern Coast Ranges 30 Comment
  UC519387  Salix laevigata Joseph P. Tracy 1933-6-9 12528 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  UCSB11960  Salix laevigata Tracy, Joseph 1933-6-9 Humboldt Shively 30 Comment
  CAS-BOT-BC107101  Salix lasiolepis Joseph P. Tracy 1934-3-11 13146 Humboldt Weitchpec, frequent along Klamath River 91 Comment
  CAS-BOT-BC107581  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-13 1255 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC107612  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107644  Salix lasiolepis Joseph P. Tracy 1933-4-2 10959 Humboldt On open grassy slope of Berry's Mountain, on Trinity Highway, east of Redwood Creek 762 Comment
  CHSC9648  Salix lasiolepis E. L. Smith 1971-8-17 1019 Humboldt On the Van Duzen River ca. 18 mi s of Eureka. Comment
  HSC20008  Salix lasiolepis J. P. Tracy 1933-4-2 10961 Humboldt Berry's Mt. on Trinity Hwy. E of Redwood Creek 762 Comment
  JEPS12930  Salix lasiolepis Joseph P. Tracy 1931-5-31 9327 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12931  Salix lasiolepis Joseph P. Tracy 1931-5-31 9328 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  LA208776  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11006 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  UC469432  Salix lasiolepis Joseph P. Tracy 1931-10-3 9701 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC481315  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150 Comment
  UC490544  Salix lasiolepis Joseph P. Tracy 1932-5-10 9958 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC504030  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1321 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC506375  Salix lasiolepis Joseph P. Tracy 1933-4-9 10963 Humboldt Bridgeville 228 Comment
  UC506394  Salix lasiolepis Joseph P. Tracy 1932-6-19 10244 Humboldt Buck Mountain Northern Coast Ranges (lower foothills of nw slope, in gully) 762 Comment
  UC512018  Salix lasiolepis C. R. Ball, H. E. Parks, and J. P. Tracy 1932-5-17 1340 Humboldt near pond at Willow Creek (Graham Ranch) near junction with Trinity River 152 Comment
  UC512043  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1318 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC512117  Salix lasiolepis Joseph P. Tracy 1933-4-2 10959 Humboldt on Trinity Hwy e Redwood Creek; Berry's Mountain 762 Comment
  UC54933  Salix lasiolepis P. E. Goddard 1901-8-1 140 Humboldt Hupa Comment
  UCSB10872  Salix lasiolepis Parks, Harold; Parks, Susan 1931-8-15 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC107292  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01241 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107408  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3145 Humboldt Redwood Creek at Berry's 289 Comment
  POM214862  Salix lasiolepis var. sandbergii Joseph P. Tracy 1933-4-2 10959 Humboldt Berry's Mountain. On Trinity Hwy. E of Redwood Creek. 762 Comment
  UC279091  Salix lemmonii J. P. Tracy Humboldt Comment
  CAS-BOT-BC125618  Salix melanopsis A. A. Heller 1923-7-10 13796 Humboldt Along the Eel River between Scotia and Pepperwood Comment
  HSC20040  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen River, between Alton and Carlotta 15 Comment
  JEPS12974  Salix melanopsis Joseph P. Tracy 1932-5-1 9850 Humboldt along Van Duzen River Alton; Northern Coast Ranges 30 Comment
  JEPS14761  Salix melanopsis Joseph P. Tracy 1932-7-31 10291 Humboldt Eel River at mouth of Larrabee Creek; Northern Coast Ranges 60 Comment
  POM160837  Salix melanopsis Joseph P. Tracy 1920-5-31 5334 Humboldt Mouth of Yager Creek. 30 Comment
  UC1196575  Salix melanopsis Joseph P. Tracy 1931-9-7 9633 Humboldt Trinity R. Valley at Willow Creek bridge; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC470452  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481289 Image available Salix melanopsis Harold E. Parks 1931-5-14 962 Humboldt between Alton and Carlotta; Van Duzen River; Van Duzen River, Humboldt Co. 15 Comment
  UC511995  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1237 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC519366  Salix melanopsis Joseph P. Tracy 1933-7-20 12804 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC519371  Salix melanopsis Joseph P. Tracy 1933-6-9 12530 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R., Shively 30 Comment
  UC519380  Salix melanopsis Joseph P. Tracy 1933-5-20 12261 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  RSA0005852  Salix parksiana H. E. Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC129209  Salix piperi Doris K. Kildale 1929-2-28 6950 Humboldt Essex - Mad River Comment
  CAS-BOT-BC129211  Salix piperi Doris K. Kildale 1926-5-31 2050 Humboldt On road from Junction to Hopland Comment
  OBI35882  Salix scouleriana David J. Keil 1983-7-1 17291 Humboldt Between Ferndale and Bear River Ridge Rd along Mattole Rd Comment
  POM219539  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge. 150 Comment
  UC1196700  Salix scouleriana Joseph P. Tracy 1912-2-25 3558 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UC1196701  Salix scouleriana J. P. Tracy 1900-12-22 974 Humboldt immediate vicinity Eureka 0 Comment
  UC470447  Salix scouleriana Joseph P. Tracy Jul 16 1930-Jul 19 1930 9095 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  UC490505  Salix scouleriana Joseph P. Tracy 1932-8-11 10338 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  CAS-BOT-BC128984  Salix sitchensis Harold E. Parks 1931-3-24 910 Humboldt Trinidad 90 Comment
  CAS-BOT-BC128993  Salix sitchensis Doris K. Kildale 1929-2-28 6948 Humboldt Arcata - hills back of State Teachers College Comment
  HSC20100  Salix sitchensis J. P. Tracy 1933-3-19 10930 Humboldt Blue Slide, Van Duzen River 91 Comment
  HSC20107  Salix sitchensis H. E. Parks 1931-3-24 903 Humboldt Orick Comment
  HSC33299  Salix sitchensis R. W. Becking, Thomas Overturf 1975-3-25 703 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  HSC90192  Salix sitchensis Jean Hanson 1980-3-8 6 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC1173577  Salix sitchensis Joseph P. Tracy 1936-6-27 15007 Humboldt along S. Fork Eel R. Miranda; S. Fork Eel R. 91 Comment
  UC1222295  Salix sitchensis Joseph P. Tracy 1950-9-10 19365 Humboldt along coast rd. 1 mi. inland from Cape Mendocino (1/2 mi. s. of town); Foothills of Cape Ridge 60 Comment
  UC176185  Salix sitchensis Joseph P. Tracy 1913-3-9 4013 Humboldt Van Duzen R. near Hydesville; Northern Coast Region, Van Duzen R. 60 Comment
  UC303028  Salix sitchensis Joseph P. Tracy 1926-2-21 7359 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481394  Salix sitchensis Harold E. Parks 1931-3-24 913 Humboldt Eel R. Fortuna; Eel R. 10 Comment
  UC490489  Salix sitchensis Joseph P. Tracy 1932-5-10 9955 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC506364  Salix sitchensis Joseph P. Tracy 1933-3-19 10930 Humboldt Van Duzen R. Blue Slide; Northern Coast Ranges, , Blue Slide 91 Comment
  CAS-BOT-BC238661  Sambucus nigra subsp. caerulea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  SBBG7380  Sambucus nigra subsp. caerulea K. K. Muller 1954-6-20 627 Humboldt 3 mi S of Scotia Comment
  SD42295  Sambucus nigra subsp. caerulea Carl B. Wolf 1937-9-8 9299 Humboldt Bull Creek, Petrolia Road, 6.0 miles west of Redwood Highway. 180 Comment
  CAS-BOT-BC235124  Sambucus racemosa var. racemosa D. E. Breedlove 1962-6-8 3059 Humboldt U.S. Highway 101, 5 miles south of Orick 30 Comment
  HSC59043  Sambucus racemosa var. racemosa Thomas Wood 1979-4-20 118 Humboldt W of Clam Beach adjacent to McKinleyville Rd. Jct. with Hwy. 101 6 Comment
  UCSB16744  Sambucus racemosa var. racemosa Muller, Katherine 1954-6-20 Humboldt 3 mi. S. of Scotia Comment
  CHSC13504  Sanicula arctopoides C. Eiser 1974-4-10 21 Humboldt Along coast, between Orick and Prairie Creek Redwoods State Park. 22 Comment
  OBI36668  Sanicula crassicaulis David J. Keil 1983-7-2 17341 Humboldt 2.8 mi S of SR 299 along Titlow Hill rd, SW of Willow crk. Comment
  UC642310  Sanicula graveolens Joseph P. Tracy 1929-7-4 8614 A Humboldt French Camp Ridge 1066 Comment
  HSC45393  Sanicula graveolens Thomas W. Nelson, Jane P. Nelson 1977-6-19 3491 Humboldt N of Goat Hill 1616 Comment
  HSC81587  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5248 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  HSC82105  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5260 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  HSC71059  Sanicula tuberosa Thomas W. Nelson, Jane P. Nelson 1977-5-30 3393 Humboldt McKeown Ranch. Along road to Anderson's Ford. 854 Comment
  UC32523  Sanicula tuberosa Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain 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
  SEINET13945256 Image available Sanicula tuberosa R. K. Gierisch, D. H. Esplin 1969-1 3531 Humboldt Six Rivers, Grouse Mtn, Sec 36, T5N, R4E. Alt 5200. NW 5% Comment
  JEPS79976  Saponaria officinalis Joseph P. Tracy 1929-7-21 8644 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  JEPS62817  Satureja douglasii W. L. Jepson 1932-8-8 16485 Humboldt Canoe Creek Grasshopper Peak 1066 Comment
  UC249626  Saxifraga integrifolia Joseph P. Tracy 1922-4-30 6000 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC642323  Scandix pecten-veneris Joseph P. Tracy 1935-5-25 13872 Humboldt Fort Seward 106 Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  POM160902  Scirpus congdonii Joseph P. Tracy 1924-7-4 6707 Humboldt Snow Camp. 1372 Comment
  BLMAR463  Scirpus microcarpus Jennifer Anthony-Wheeler 2007-8-9 463 Humboldt Samoa Peninsula, growing on Lanphere road 12 Comment
  HSC62974  Scirpus microcarpus J. M. DiTomaso 1979-5-16 1014 Humboldt Corner of LK Wood and 14th St., Arcata Comment
  UC774886  Scirpus microcarpus Carl B. Wolf 1937-9-11 9324 Humboldt Redwood Highway 3 mi n Orick (at Davison's Ranch on Prairie Creek); n of Orick at Davison's Ranch on Prairie Creek 60 Comment
  UC668016  Scirpus pungens Joseph P. Tracy 1930-10-19 9227 Humboldt along Eel River Alton to Fortuna (on gravel bar); Eel River 15 Comment
  SEINET12815835  Scoliopus bigelovii John D. Freeman, Ruth Freeman 1967-1 583 Humboldt Just west of California Hwy. 36 and just north of Carlotta. 52 Comment
  UC175805  Scoliopus bigelovii Joseph P. Tracy 1913-3-9 4017 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC517412  Scoliopus bigelovii Leo Shapovalov; C. Woodhull 1940-3-6 s.n. Humboldt Redwood Creek near Garberville in Humboldt Redwood State Park Comment
  HSC56430  Scutellaria antirrhinoides Griswold, Butler 1979-7-10 7138 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  RSA82291  Scutellaria antirrhinoides F. W. Peirson 1932-7-7 10259 Humboldt Willow Creek. A few miles above town of that name. Comment
  UC604643  Scutellaria antirrhinoides Joseph P. Tracy 1938-6-9 15875 Humboldt near Blocksburg (2 mi s of town) 304 Comment
  RSA178561  Sedum divergens Joseph P. Tracy 1950-8-8 19294 Humboldt Croghan Hole, on Trinity Summit Comment
  HSC65962  Sedum laxum subsp. flavidum Gail Newton 1980-7-15 1549 Humboldt Near Sims Mtn. 1311 Comment
  HSC57996  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-31 11759 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC967446  Sedum radiatum Reid Moran 1951-6-13 3485 Humboldt w slope Buck Mountain; w slope Buck Mountain 853 Comment
  HSC71086  Sedum stenopetalum Thomas W. Nelson, Jane Nelson 1977-5-30 3405 Humboldt Large rock downstream from Anderson's Ford 640 Comment
  JEPS117941  Selaginella kraussiana Dana York, Adrian York & Noah York 2011-4-2 3019 Humboldt Arcata, eastern edge of Humboldt State University Campus 70 Comment
  UC1239800  Selaginella wallacei Joseph P. Tracy 1913-5-4 4062 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC26744  Senecio elegans D. A. Haskell 1966-4-30 54 Humboldt Near the town of Samoa Comment
  HSC6116  Senecio integerrimus D. E. Anderson 1962-5-1 2195 Humboldt 2 mi. W of Hoopa Comment
  RSA254747  Senecio jacobaea Thomas W. Nelson 1973-9-3 1132 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC581694  Senecio minimus Joseph P. Tracy 1936-7-26 15052 Humboldt w of Redwood Creek; Trinity Highway, Bald Mt. Ridge 670 Comment
  UC1199237  Senecio vulgaris Joseph P. Tracy 1918-4-21 4880 Humboldt on old Kneeland Prairie Road near Newell's Camp (around Humboldt Bay); Northern Coast Ranges, around Humboldt Bay 304 Comment
  CAS-BOT-BC85840  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC85844  Sequoia sempervirens Aven Nelson; Ruth A. Nelson 1933-5-15 587 Humboldt Redwood Highway Comment
  UC1134198  Sequoia sempervirens H. L. Person 1933-8-10 Humboldt n of Fortuna; Rohnerville Quad., Holmes-Eureka area Comment
  UCD92848  Setaria viridis Don Hager 1957-9-25 s.n. Humboldt Titlow Hill, 20 miles southwest of Willow Creek. Comment
  UC18701  Sidalcea malachroides J. Burtt Davy 1899-6-13 5482 Humboldt Englewood Prairie North Coast Ranges, Englewood Prairie Comment
  SEINET11982176  Sidalcea malachroides J. P. Tracy 1950-1 19034 Humboldt on Butter Valley Rd, 2 mi E of Cameron Hill Jct near Kneeland Comment
  HSC16014  Sidalcea malviflora F. B. Plett 1963-5-15 46 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  UC146131  Sidalcea oregana subsp. eximia Joseph P. Tracy 1907-6-25 2578 Humboldt in valley of Elk River Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  HSC32097  Silene bolanderi D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5698 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC161015  Silene californica Joseph P. Tracy 1909-7-31 3032 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA47132  Silene californica Doris K. Kildale 1927-8-16 1139 Humboldt Trinity Summit Trail beween Patterson s and Horse Linto Creek. 213 Comment
  UC13560  Silene californica Chesnut and Drew 1888-7-9 Humboldt Campbell's Comment
  RSA135349  Silene campanulata subsp. glandulosa Volney Rattan 1883 Humboldt Hoopa Valley. Comment
  UC13562  Silene campanulata subsp. glandulosa Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  UC668091  Silene gallica Joseph P. Tracy 1931-5-3 9351 Humboldt near Blue Lake; along Mad River, near Blue Lake 15 Comment
  UC1115828  Silene hookeri Joseph P. Tracy 1939-5-14 16283 Humboldt lower foothills of nw slope Buck Mountain 914 Comment
  CAS-BOT-BC181229  Silene hookeri subsp. bolanderi H. E. Parks; J. P. Tracy 1930-5-25 0791 Humboldt Laribee Valley 792 Comment
  HSC4162  Silene laciniata subsp. californica G. N. Bos 1965-5-15 277 Humboldt Berry Summit near Hwy. 299 793 Comment
  CAS-BOT-BC389060  Silene laciniata subsp. californica Lincoln Constance; Alan A. Beetle 1940-5-16 2610 Humboldt Coastal bluffs above Alton Comment
  UC668088  Silene lemmonii Joseph P. Tracy 1933-7-25 12870 Humboldt Grouse Mountain 1524 Comment
  HSC79467  Sisyrinchium bellum Kenneth Clark 1981-5-2 1357 Humboldt 0.5 mi. W of Dead Man's Gulch 152 Comment
  JEPS62108  Smilacina racemosa W. L. Jepson 1902-7-24 2114 Humboldt 1/2 mi below summit; Trinity Summit 2133 Comment
  UC1197804  Smilacina racemosa Joseph P. Tracy 1936-8-7 15106 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  HSC69581  Solanum americanum R. Kalal 1980-6-8 15 Humboldt E of Clam Beach along slough 18 Comment
  UC1332476  Solanum furcatum G. L. Stebbins Jr. 1941-5-26 130 Humboldt Trinidad Comment
  HSC37163  Solanum furcatum J. D. Ackerman 1974-5-25 257 Humboldt S Trinidad Beach, S of Trinidad Head Comment
  RSA246652  Solanum laciniatum Robert F. Thorne, Percy C. Everett 1965-8-5 35160 Humboldt Samoa Dunes. Edge of Humboldt Bay. 3 Comment
  CHSC97982  Solanum parishii J. Breton; A. Livingston 2005-6-15 12 Humboldt NE of Grouse Mtn. UTM 0444876, 4511301. On rock outcrop. 1327 Comment
  HSC98963  Solanum parishii Cara Witte 2008-6-13 722 Humboldt Forest Service Road 4N32. 0.5 mi. N of intersection with Forest Service Road 4N32B. 1417 Comment
  JEPS12167  Solanum umbelliferum Joseph P. Tracy 1937-5-30 15316 Humboldt Bridgeville 198 Comment
  JEPS12168  Solanum umbelliferum Joseph P. Tracy 1937-6-20 15340 Humboldt Bear River, 10 miles upstream from the mouth Bear River 152 Comment
  POM289137  Solidago californica Lyman Benson 1928-7-10 424 Humboldt Fortuna, Mouth Eel River watershed. 30 Comment
  RSA20813  Solidago canadensis var. gilvocanescens C. B. Wolf 1937-9-9 9311 Humboldt North Coast Range, Wildcat Ridge, 6.3 miles south of Ferndale. 305 Comment
  HSC58149  Solidago elongata G. L. Clifton, Griswold 1979-8-2 12196 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC1199318  Solidago elongata Joseph P. Tracy 1921-8-21 5943 Humboldt mouth South Fork of Trinity (near Willow Creek, Trinity River Valley); Northern Coast Ranges, Trinity River Valley, mouth South For 152 Comment
  UC36246  Solidago elongata C. C. Marshall 1886-1 Humboldt Comment
  UC581769  Solidago elongata Joseph P. Tracy 1937-8-12 15654 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC365670  Solidago spathulata Ira L. Wiggins 1930-6-25 4616 Humboldt 2 miles north of Samoa Comment
  HSC6219  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  UC1070277  Sonchus oleraceus H. L. Person 1932-7-16 19437 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  HSC67888  Sonchus oleraceus J. P. Smith 1973-5-26 6862 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA10099  Sorghum halepense Joseph P. Tracy 1925-9-6 7263 Humboldt Trinity River Valley, Near the south fork Comment
  RSA85195  Sparganium angustifolium subsp. emersum F. W. Peirson 1923-7-11 3642 Humboldt 20 miles north of Eureka. Comment
  RSA244508  Sparganium angustifolium subsp. emersum Larry E. DeBuhr, Gary D. Wallace 1973-9-16 1198 Humboldt At Gold Bluff Beach in Prairie Creek Redwoods State Park. Comment
  JEPS397  Sparganium emersum var. emersum Joseph P. Tracy 1934-7-30 13507 Humboldt along coast in front of s end Stone Lagoon; Dry Lagoon 3 Comment
  SEINET10968195  Spartina foliosa A. Arthur Heller 1924-7-21 Heller 13871 Humboldt In a salt marsh at Eureka Comment
  HSC68008  Spergula arvensis J. P. Smith 1970-6-7 3805 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC83996  Spergula arvensis L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 221 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  CAS-BOT-BC390303  Spergularia macrotheca var. macrotheca Robert F. Thorne; P. Everett 1965-8-8 35277 Humboldt N edge of Eureka, E of Hwy. 101 3 Comment
  HSC58185  Spergularia rubra G. L. Clifton, Griswold 1979-8-2 12273 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC4254  Spergularia rubra D. E. Anderson 1961-9-30 1838 Humboldt Comment
  HSC79380  Spergularia salina Kenneth Clark 1980-5-10 658 Humboldt Above mean high tide on S and E facing bluffs 5 Comment
  CAS-BOT-BC149614  Spiraea douglasii Alice Eastwood 1923-8-14 12323 Humboldt Samoa Comment
  UCD114053  Spiraea douglasii Malcolm A. Nobs; S. Galen Smith 1949-8-9 1226 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  UC275578  Spiranthes romanzoffiana Joseph P. Tracy with H. E. Parks 1924-8-3 6767 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC144106  Spiranthes romanzoffiana Joseph P. Tracy 1909-8-29 3086 Humboldt Humboldt Hill Northern Coast Region, Region about Humboldt Bay (near Field's Landing) 0 Comment
  JEPS63029  Stachys ajugoides var. rigida Joseph P. Tracy 1937-6-20 15342 Humboldt Bear River 152 Comment
  JEPS63064  Stachys ajugoides var. rigida W. L. Jepson 1934-5-7 16684 Humboldt Dyerville Comment
  UCLA71116  Stachys ajugoides var. rigida H. Lewis 1940-7-2 Humboldt Stone Lagoon Comment
  UC25970  Stachys ajugoides var. rigida J. Burtt Davy 1899-6-21 5720 Humboldt Supply Creek North Coast Ranges, Hoopa Valley Comment
  UCLA71395  Stachys ajugoides var. rigida M. S. Jussel 1931-5-2 Humboldt Sylvandale Comment
  UC665584  Stachys chamissonis H. E. Parks August,1941 24199 Humboldt Beatrice Comment
  UCLA71113  Stachys mexicana C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
Read comments
Aug 1 2016
  HSC49394  Stachys rigida R. York 1979-5-15 288 Humboldt Trail leading to College Cove 1 mi. N of Trinidad Comment
  SD29272  Stachys rigida var. rigida Lincoln Constance 1934-5-26 663 Humboldt Sand and gravel bar of S. Fork of Eel River, S. end of Dyerville Bridge. 46 Comment
  UC8638  Stellaria borealis subsp. sitchana Harley P. Chandler May 1901 1178 Humboldt Humboldt Bay; North Coast Ranges Comment
  UC1586791  Stellaria crispa Juha Pykala 1987-6-20 1853 Humboldt Kneeland Greenwood Heights; n of Prof. D. H. Harris house 350 Comment
  HSC4273  Stellaria media D. K. Smith 1968-1-16 2 Humboldt Bank of Crannell Rd. Comment
  HSC48380  Stellaria media Mark Flippo 1978-4-18 37 Humboldt McKinleyville, Bella Vista Rd. Comment
  HSC73750  Streptanthus tortuosus M. A. Baker 1980-7-15 2942 Humboldt Near Whiting Ridge. 1341 Comment
  UC303040  Streptopus amplexifolius var. americanus Joseph P. Tracy 1926-5-22 7508 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  CAS-BOT-BC269576  Symphoricarpos albus var. laevigatus Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC76249  Symphoricarpos mollis Denis Kearns 1981-7-23 414 Humboldt Near Whiteys Peak. 1524 Comment
  CAS-BOT-BC99168  Symphyotrichum chilense L. R. Abrams 1927-8-31 12056 Humboldt Marshes along highway between Eureka and Arcata Comment
  HSC5048  Symphyotrichum chilense Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  CAS-BOT-BC99172  Symphyotrichum chilense Henry M. Pollard 1956-10-14 s.n. Humboldt Rocky crevices along Klamath River near mouth of Pearch Creek, Orleans. Comment
  UC165029  Symphyotrichum subspicatum J. P. Tracy 1900-9-3 936 Humboldt immediate vicinity of Eureka 0 Comment
  CDA5590  Symphytum asperum T. C. Fuller 1961-9-28 7047 Humboldt Iverson property, Arcata Bottoms, 0.5 mile south of the Mad River, 0.75 mile west of Highway 101, 2 miles north of Arcata. 0 Comment
  CDA5592  Symphytum asperum T. C. Fuller 1968-7-31 17449 b Humboldt 2 miles north of Arcata, Arcata Bottoms. 0 Comment
  SEINET12275944  Symphytum asperum J. P. Tracy 1943-1 17448 Humboldt near Iverson dairy ranch, Arcata Comment
  UC162710  Synthyris reniformis Joseph P. Tracy 1911-5-7 3177 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC21155  Synthyris reniformis D. E. Anderson 1962-2-10 1917 Humboldt 0.5 mi. E of Big Lagoon Elementary School along abandoned stretch of Hwy. 101 Comment
  JEPS26264  Synthyris reniformis Joseph P. Tracy 1948-8-15 18116 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  POM126512  Synthyris reniformis Joseph P. Tracy 1922-4-30 6039 Humboldt Brannan Mtn. Along road between Three Creeks and mouth of Willow Creek. 915 Comment
  SEINET3194865 Image available Taeniatherum caput-medusae Joseph P. Tracy 1950-1 18772 Humboldt Ranges between Garberville and Harris. 610 Comment
  HSC1030  Tanacetum bipinnatum J. Wendell Howe 1933-5-23 Humboldt Samoa Comment
  HSC6245  Tanacetum bipinnatum Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  UC1239515  Taraxacum officinale Joseph P. Tracy 1924-5-4 6666 Humboldt Bridgeville Northern Coast Ranges 243 Comment
  RSA167403  Taraxacum officinale Joseph P. Tracy 1948-5-15 s.n. Humboldt Trinity River at Willow creek Comment
  CHSC35576  Tauschia kelloggii Jacqueline Greenleaf 1980-5-23 90 Humboldt Near Dinsmores. 430 Comment
  UC21435  Tauschia kelloggii C. C. Marshall Apr. 1888 Humboldt Comment
  CAS-BOT-BC85216  Taxus brevifolia Doris K. Kildale 1926-9-9 2685 Humboldt Little Van Duzen River on Bridgeville - Red Bluff Road 640 Comment
  HSC1597  Taxus brevifolia Francis Winter 1960-5-7 Humboldt Pine Ridge Summit, Hoopa Indian Reservation 671 Comment
  HSC45931  Taxus brevifolia Jerome Peterson 1978-4-29 9 Humboldt Along bank of Redcap Creek 1.0 mi. down Millgap Rd. from Redcap Rd. Comment
  UC667096  Tellima grandiflora Joseph P. Tracy 1935-7-23 14163 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  HSC100623  Thalictrum Carl C. Marshall May 1886 224 Humboldt Humboldt Bay. Comment
  UC1196171  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1929-8-18 8655 Humboldt on river opposite Buck Mountain; Northern Coast Ranges, Van Duzen River, Dinsmore's Ranch 670 Comment
  CAS-BOT-BC77707  Thelypteris nevadensis L. R. Abrams 1916-7-22 6220 Humboldt Ridge between Mad + Trinity Rivs on Eureka - Red Bluff Road Comment
  CAS-BOT-BC5391  Thlaspi californicum Volney Rattan 1882-6-1 s.n. Humboldt at Kneeland Prairie Comment
  OBI36631  Thuja plicata David J. Keil 1983-7-2 17308 Humboldt Ca. 10.5 mi E of jctn with US 101 along SR 299 Comment
  RSA47094  Thuja plicata Doris K. Kildale 1926-8-28 2566 Humboldt Morrison gulch - Bear River ridge 412 Comment
  SBBG372  Thuja plicata J. W. Howe 1938-3-30 Humboldt Humboldt County [no specific locality] Comment
  UC1174840  Thuja plicata P. C. Everett and E. K. Balls 1959-10-25 23970 Humboldt 6.9 mi sw from Ferndale (on Old Coast Road to Capetown, on heavily wooded slopes, n coastal conifer forest) 563 Comment
  CAS-BOT-BC88323  Thysanocarpus curvipes John H. Thomas 1968-4-21 14355 Humboldt About 6.4 miles south of Weitchpec (as measured along the road). 170 Comment
  UC14487  Tiarella trifoliata var. unifoliata Chesnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  UC535760  Tiarella trifoliata var. unifoliata Eleanor Armstrong 1934-5-17 Humboldt Garden Club Grove Comment
  CAS-BOT-BC436913  Tiarella trifoliata var. unifoliata Ira L. Wiggins 1930-7-22 4594 a Humboldt Redwood Creek between Blue Lake and Willow Creek Comment
  JEPS43495  Tiarella trifoliata var. unifoliata Lincoln Constance 1934-5-26 653 Humboldt North Dyerville Flat Grove Bull Creek Region (near Founders' Tree, Bull Creek Region, South Fork Eel River); South Fork Eel River, Bull Creek Region 48 Comment
  SD50778  Tiarella trifoliata var. unifoliata Darley F. Howe 1959-8-5 2809 Humboldt Drexel Grove, 5 miles north of Weott on #101 alternate Comment
  UC154080  Tolmiea diplomenziesii J. P. Tracy 1900-5-30 832 Humboldt immediate vicinity Eureka 0 Comment
  UC11943  Tolmiea diplomenziesii J. Burtt Davy Jun 1899 5628 Humboldt Hoopa Mt.; North Coast Ranges Comment
  HSC99482  Tolmiea menziesii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 141 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp 1433 Comment
  SEINET6987681  Tonella tenella Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Near east end of Bald Hills, southeast of Orick. Comment
  UC1197062  Torilis nodosa Joseph P. Tracy 1930-8-3 9154 Humboldt McClellan Mountain 762 Comment
  HSC98793  Torreyochloa pallida var. pauciflora Cara Witte 2007-7-11 478 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  HSC98952  Tragopogon dubius Cara Witte 2008-7-28 955 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1592 Comment
  HSC18246  Trautvetteria caroliniensis J. P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  JEPS63112  Trichostema lanceolatum W. L. Jepson 1936-8-12 17874 Humboldt Philipsville; South Fork Eel River Comment
  SEINET12350141  Trichostema lanceolatum E. A. York 1990-1 2703 Humboldt USGS Redwood Field Station, Arcata Comment
  UC577371  Trichostema laxum Joseph P. Tracy 1926-10-15 7815 Humboldt South Fork of Trinity River, mountain slopes W of mouth 304 Comment
  HSC17941  Trientalis latifolia John A. Dubois 1962-5-12 10 Humboldt 20 mi. E of Arcata Comment
  HSC95824  Trientalis latifolia Kevin Thomas 2004-4-26 16 Humboldt Jacoby Creek Rd. Comment
  JEPS43082  Trientalis latifolia Joseph P. Tracy 1926-5-22 7509 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  JEPS65706  Trifolium albopurpureum var. albopurpureum W. L. Jepson 1902-6-20 1899 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC16424  Trifolium barbigerum Harley P. Chandler May, 1901 1102 Humboldt Humboldt Bay; North Coast Ranges Comment
  UC169055  Trifolium barbigerum Joseph P. Tracy 1912-6-9 3679 Humboldt Alton Northern Coast Ranges Comment
  UC33444  Trifolium barbigerum W. C. Blasdale 1896-5-31 Humboldt Eureka Comment
  JEPS79995  Trifolium barbigerum var. barbigerum Joseph P. Tracy 1932-5-17 10066 Humboldt Berry's North Coast Ranges, Redwood Creek 274 Comment
  HSC71168  Trifolium bifidum Thomas W. Nelson 1977-5-30 3414 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  HSC71060  Trifolium dichotomum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3394 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC15115  Trifolium dubium Norman H. Moe 1962-5-19 Humboldt Lanphere's Place Comment
  UC1223467  Trifolium dubium Joseph P. Tracy 1939-4-29 16261 Humboldt Orleans 121 Comment
  UC1223468  Trifolium dubium Joseph P. Tracy 1948-5-31 18024 Humboldt Blocksburg Comment
  UC1602084  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-8 8728 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1197211  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-29 8822 Humboldt nw slope Buck Mtn (lower foothills); Northern Coast Ranges Comment
  RSA168898  Trifolium fragiferum Joseph P. Tracy 1933-8-22 12986 Humboldt Not seen elsewhere, moist field near wet slough 1 miles W of Loleta. Comment
  UC495735  Trifolium fucatum Joseph P. Tracy 1927-5-8 7992 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  RSA183539  Trifolium fucatum var. fucatum G. Bos 1965-5-15 260 Humboldt 3 miles west of Berry Summit along U. S. 299. 610 Comment
  HSC58628  Trifolium longipes Overton, Butler 1979-7-31 11447 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC58663  Trifolium longipes G. L. Clifton, Griswold 1979-8-1 12012 Humboldt Near High Springs, close to the town of Hoopa 1798 Comment
  UC1541602  Trifolium longipes Harold E. Parks 1934-6-14 4784 Humboldt Horse Mtn 1432 Comment
  UC1197210  Trifolium longipes var. hansenii Joseph P. Tracy 1913-6-23 4282 Humboldt near summit of ridge (betw Van Duzen and Mad Rivers, Dinsmore's ranch); Northern Coast Ranges 1066 Comment
  HSC73818  Trifolium microcephalum Gail Newton 1980-6-7 118 Humboldt Near Brush Mtn. 1128 Comment
  UC1197551  Trifolium microdon Joseph P. Tracy 1932-5-1 9892 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  UC1197543  Trifolium microdon J. P. Tracy 1911-5-30 3202 Humboldt Bucksport Eureka vicinity 0 Comment
  HSC38634  Trifolium obtusiflorum D. E. Anderson, J. P. Smith 1971-6-28 - 1257 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  UC1223338  Trifolium obtusiflorum Joseph P. Tracy 1933-6-24 12614 Humboldt hills at n end Big Lagoon Comment
  SEINET4206966  Trifolium variegatum Joseph P. Tracy 1932-5-17 10065 Humboldt Redwood Creek, at Berry's.; 0 274 Comment
  UCR84715  Trifolium virescens Kathy Harper 1992-5-14 s.n. Humboldt North Coast Range, State Hwy 36 just north of the south fork of the Van Duzen River 762 Comment
  UC1223311  Trifolium willdenovii Joseph P. Tracy 1934-4-8 13170 Humboldt betw Miranda and Redway South Fork of Eel River Comment
  SEINET12157351  Trifolium willdenovii J. P. Tracy 1942-1 17358 Humboldt 1 mi NE of Garberville on road to Harris 305 Comment
  UC1223310  Trifolium willdenovii Joseph P. Tracy 1933-6-24 12615 Humboldt hills at n end lagoon; Big Lagoon Comment
  UC198572  Trifolium wormskioldii Joseph P. Tracy 1917-5-30 4801 Humboldt Little River Beach Northern Coast Ranges 6 Comment
  RSA168852  Trifolium wormskioldii Joseph P. Tracy 1950-6-8 18714 Humboldt Near the Sand Cut. Wild Cat Road, 2 miles south of Ferndale. Comment
  UC1197038  Trifolium wormskioldii Joseph P. Tracy 1913-6-25 4336 Humboldt Dinsmore's Ranch Northern Coast Ranges (in valley of Van Duzen River opposite Buck Mtn) 762 Comment
  HSC82963  Triglochin concinna A. L. Eicher 1986-5-10 Humboldt Bordering Humboldt Bay, 0.3 mi. S of the jct. of Samoa Blvd. and Vance Ave. 1 Comment
  POM188101  Triglochin maritima Marcus E. Jones 1931-7-16 29221 Humboldt Arcata. Comment
  RSA18064  Triglochin maritima Carl B. Wolf 1927-8-22 784 Humboldt Big Lagoon Comment
  HSC36302  Triglochin maritima Camille Cornish 1973-10-16 9 Humboldt On shore of Big Lagoon Comment
  UC1197830  Trillium albidum Joseph P. Tracy 1911-5-7 3182 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCD139896  Trillium albidum R. N. Raynor 1935-3-13 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC520054  Trillium albidum Doris K. Kildale 1930-5-11 9542 Humboldt The Bald Hills Comment
  UC1364374  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-7 581 Humboldt just n. of Carlotta (just w. of CA Hwy. 36) Comment
  CAS-BOT-BC133394  Trillium ovatum L. R. Abrams 1922-6-25 8257 Humboldt North of Mad River near Arcata Comment
  CHSC59627  Trillium ovatum R. N. Raynor 1934-4-1 Humboldt Above Fort Seward. Comment
  CSUSB389  Trillium ovatum Keith Thompson 1970-12-27 Humboldt Arcata, California. 45 Comment
  SEINET10275389  Trillium ovatum Unknown 1963-2-24 52 Humboldt altitude ca 250 ft, floor of Redwood Forest; Nelson Grove near bank of Eel River, Humboldt State Park Comment
  UC1103502  Trillium ovatum Ralph Ferguson 1948-4-9 Humboldt Sutter tract Eureka 60 Comment
  UCD18653  Trillium ovatum Roman Gankin 1956-3-17 105 Humboldt off US Hwy 101. Comment
  CAS-BOT-BC521320  Trillium rivale J. H. Thomas 1949-6-12 897 Humboldt 2 miles west of Matins Ferry on road to Orick. Comment
  JEPS11779  Triodanis perfoliata W. L. Jepson 1902-6 1940 Humboldt Green Point Ranch Redwood Creek (Redwood Creek) Comment
  UC1222434  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1927-5-8 7984 Humboldt vicinity Garberville; vicinity of Garberville 121 Comment
  HSC34945  Triphysaria eriantha subsp. eriantha Robert M. Specht 1975-4-9 124 Humboldt End of Murray Rd., W of Hwy. 101 6 Comment
  HSC104280  Triphysaria pusilla Samantha E. Andres 2016-5-14 8 Humboldt Lyons Ranch Trailhead, along Bald Hills Rd. 793 Comment
  HSC104272  Triphysaria versicolor subsp. versicolor Samantha E. Andres 2016-5-4 6 Humboldt Along Jackson Ranch Rd., near the bridge; ~.25 mi. from Hwy. 255 intersection 3 Comment
  JEPS10443  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17467 Humboldt Eureka 6 Comment
  UC1011929  Triphysaria versicolor subsp. versicolor F. W. Pennell and J. P. Tracy 1940-7-8 26108 Humboldt e Eureka (Freshwater); Freshwater 9 Comment
  UC1103148  Trisetum canescens Joseph P. Tracy 1917-5-30 4789 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  UCD93635  Trisetum canescens R. Tofsrud 1947-7-1 199 Humboldt North of Harris. Comment
  CAS-BOT-BC193517  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka 60 Comment
  HSC38429  Trisetum cernuum D. E. Anderson, J. P. Smith 1971-6-18 - 1056 Humboldt 1 mi. W of Lord Ellis Summit Comment
  UC1714630  Trisetum cernuum Joseph P. Tracy 1926-6-13 7599 Humboldt near Blue Lake (Liscom Hill Road); North Coast Ranges 152 Comment
  UC922029  Trisetum cernuum Joseph P. Tracy 1940-8-11 16695 Humboldt Streambank at Raccoon Creek; Trinity River Valley, near Willow Creek 152 Comment
  UCD93905  Trisetum cernuum A. H. Murphy 1951-5-15 37 Humboldt Toston Ranch, 3 miles west of Miranda. Comment
  HSC23715  Triteleia laxa Tim Baroni 1971-6-25 36 Humboldt 8 mi. E of Petrolia Comment
  UC1197708  Triteleia laxa Joseph P. Tracy 1930-6-15 8754 Humboldt near Bosworth's; Larrabee Creek 457 Comment
  CAS-BOT-BC73936  Turritis glabra S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3418 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  HSC59117  Umbellularia californica Terry Roth 1979-5-24 85 Humboldt 0.25 mi. down N Bank Rd. from its junction with Hwy. 10 exit at residence 30 Comment
  HSC62995  Umbellularia californica David Wheeler 1979-5-8 98 Humboldt 927 J St. Arcata Comment
  UC153974  Urtica dioica subsp. gracilis J. P. Tracy 1910-10-1 3166 Humboldt immediate vicinity of Eureka 0 Comment
  UC1222618  Urtica dioica subsp. holosericea Joseph P. Tracy 1950-8-8 19276 Humboldt 1 mi w of lower end of Croghan Hole (Trinity Summit Trip) Comment
  SEINET200747  Urtica urens Joseph P. Tracy 1922-7-16 6103 Humboldt Eureka. 0 Comment
  UC1197778  Vaccinium cespitosum Joseph P. Tracy 1925-7-5 7176 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC199315  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt Bishop Pine Lodge, 3 miles north of Trinidad Comment
  CHSC24741  Vaccinium ovatum G. Strang 1976-4-11 8 Humboldt 6.3 mi w of intersection of U.S. 101 and dirt road leading to Fern Canyon on west side of dirt road. 45 Comment
  JEPS58741  Vaccinium ovatum Mr. and Mrs. George Parrish 1930-5-21 Humboldt Trinidad Comment
  POM232033  Vaccinium ovatum I. L. Wiggins 1930-6-25 4613 Humboldt Sand dunes 2 miles north of Samoa. Comment
  RSA1918  Vaccinium ovatum C. B. Wolf 1930-10-24 1017 Humboldt Along the Kamath River, 2 mi. below mouth of Salmon River. Comment
  RSA66951  Vaccinium ovatum E. K. Balls 1951-5-4 16421 Humboldt Nelson Grove to Robinson Grove, Hwy 101, 20 mi. north of Garberville. Comment
  UCR178913  Vaccinium ovatum R. G. Swinney 1968-4-13 242 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  HSC37332  Vaccinium parvifolium Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 477 Humboldt Along Lost Man Creek. 38 Comment
  UC1197777  Vaccinium parvifolium Joseph P. Tracy 1925-2-15 6937 Humboldt Eureka Northern Coast Ranges 0 Comment
  CAS-BOT-BC199426  Vaccinium parvifolium H. E. McMinn 1922-8-4 333 Humboldt Near Van Dusen [Duzen] River Comment
  UC673215  Valeriana sitchensis subsp. scouleri Lincoln Constance, Reed C. Rollins 1942-5-11 2867 Humboldt 3 mi w of East Fork of Willow Creek; North Coast Ranges Comment
  CAS-BOT-BC76045  Vancouveria hexandra Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4.5 miles east of Orick. Comment
  SBBG2296  Vancouveria hexandra H. and M. Dearing 1933-5-16 599 Humboldt Weott Comment
  SEINET12094119  Vancouveria hexandra F. H. Utech 1988-1 88 -269 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Van Duzen County Park, Pamplin Grove 50 Comment
  CAS-BOT-BC76093  Vancouveria planipetala M. S. Jussel 1931-5-2 113 Humboldt Garberville. Comment
  RSA438026  Vancouveria planipetala Miss Hutchinson s.n. Humboldt Unspecified. Comment
  UC535767  Vancouveria planipetala Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  SJSU924  Vancouveria planipetala J. W. Tilden 1946-7-20 1019 Humboldt Bluff Cr c. 1.5 mi above its junction with Klamath R Comment
  UC146078  Vancouveria planipetala Joseph P. Tracy 1908-6-23 2678 Humboldt near Grizzly Gulch; Northern Coast Ranges, near Grizzly Gulch 152 Comment
  UCD95098  Vancouveria planipetala H. P. Olmo 1928-6-10 s.n. Humboldt Wooley Creek. Comment
  UC1173641  Veratrum californicum var. californicum Joseph P. Tracy 1934-6-21 13244 Humboldt 2 mi s Field's Landing (at Still Ranch) 6 Comment
  UC1173640  Veratrum californicum var. californicum Joseph P. Tracy 1936-6-28 15011 Humboldt near Murphy Meadows; Bald Mountain 975 Comment
  RSA12516  Veratrum insolitum Carl B. Wolf 1934-7-3 5920 Humboldt 9.5 miles form Martins Ferry on Orick Road. 305 Comment
  HSC53879  Veronica americana Terry Griswold, Marvin Butler 1979-7-10 6360 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 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
  UC175788  Veronica arvensis Joseph P. Tracy and Ernest B. Babcock 1912-5-12 3634 Humboldt Eureka; Northern Coast Region, Eureka 0 Comment
  UCR45402  Veronica arvensis Barry Silver 1986-4-23 542 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  CDA6483  Veronica filiformis F. Wetherbee 1960-7-2 Humboldt Eureka. 0 Comment
  UC147898  Veronica peregrina subsp. xalapensis J. P. Tracy 1909-5-23 2976 Humboldt immediate vicinity of Eureka 0 Comment
  JEPS25055  Veronica scutellata Joseph P. Tracy 1921-6-12 5824 Humboldt Butler Valley; Northern Coast Ranges, Butler Valley 152 Comment
  UC147877  Veronica scutellata J. P. Tracy 1901-6-30 1196 Humboldt immediate vicinity of Eureka 0 Comment
  HSC102112  Veronica serpyllifolia subsp. humifusa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1016 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC32123  Veronica serpyllifolia subsp. humifusa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5584 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  CDA41766  Veronica serpyllifolia subsp. humifusa P. Haggard 1998-6-12 s.n. Humboldt North Coast Ranges; Town of Fieldbrook. 0 Comment
  RSA20848  Vicia angustifolia Carl B. Wolf 1937-6-18 8888 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC15260  Vicia hirsuta Harvey Doerksen 1962-5-8 19 Humboldt 3 mi. W of Blue Lake, fork Mad River and Essex Creek Comment
  JEPS66183  Vicia hirsuta Frank W. Peirson 1923-7-11 3630 Humboldt n of Eureka Comment
  RSA170257  Vicia hirsuta Joseph P. Tracy 1916-5-31 4689 Humboldt Stitz Creek. Along Eel River South Fork to Scotia. 61 Comment
  PASA270  Vicia sativa Frank W. Peirson 1923-7-11 Humboldt 7 miles north of Arcata Comment
  BLMAR500  Vicia sativa subsp. nigra Jennifer Wheeler 2009-4-30 500 Humboldt King range, Hidden Valley trail Comment
  UCD108987  Vicia sativa subsp. nigra W. A. Williams 1951-6-1 s.n. Humboldt location unknown. Comment
  HSC15278  Vicia sativa subsp. sativa Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  SD131841  Vicia tetrasperma Barbara Ertter, Thomas J. Delendick 1987-5-16 6912 Humboldt Hwy 299 roadside ca 8 miles east of Arcata, 9 1/2 mi. West of Lord Ellis summit Comment
  CAS-BOT-BC263940  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC21758  Viola adunca F. B. Plett 1963-3-9 5 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  SEINET11980785  Viola adunca f. adunca Unknown 1936-1 13040 Humboldt Fields Landing Comment
  HSC56145  Viola glabella G. L. Clifton, Griswold 1979-8-1 11974 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC902117  Viola glabella Joseph P. Tracy 1948-8-15 18142 Humboldt on Ridge 2 mi e of Grove's Prairie; Trinity Summit 1524 Comment
  UC902018  Viola glabella J. P. Tracy 1949-6-5 11655 Humboldt NE of Hawkins Bar; Happy Camp Mt., Trinity Summit Range 1280 Comment
Read comments
Jul 4 2012
  RSA273351  Viola hallii Thomas W. Nelson, Jane P. Nelson 1976-6-15 2713 Humboldt Along old trail from lookout to Blocksburg. -61 Comment
  CAS-BOT-BC536955  Viola lobata Volney Rattan 1879-6-1 s.n. Humboldt Klamath Comment
  HSC99353  Viola macloskeyi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-21 2 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC502950  Viola macloskeyi Joseph P. Tracy Jul 16 1930-Jul 19 1930 8974 Humboldt South Fork Mountain at McKay Camp McKay Camp; Northern Coast Ranges, South Fork Mountain, McKay Camp 1676 Comment
  HSC21823  Viola ocellata W. Lanphere 1937-4-20 Humboldt Hoopa Comment
  SEINET201005 Image available Viola palustris J. P. Tracy 1904-7-31 2126 Humboldt Eureka 61 Comment
  HSC32282  Viola purpurea subsp. purpurea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5615 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  RSA273350  Viola sempervirens N. G. Sugihara 1977-4-23 13 Humboldt 2.5 miles S of Shelter Cove Road. South Fork of Bear Creek at Wailaki Campground. 561 Comment
  SEINET200803 Image available Viola sempervirens Joseph P. Tracy 1938-4-5 15706 Humboldt Willow Creek Canyon along Trinity Hwy. 460 Comment
  HSC67529  Vitis californica J. P. Smith, Steve Selva 1970-6-14 3839 Humboldt Along Hwy. 96 at Whitmore Creek 152 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
  HSC90693  Vulpia bromoides Gail Newton 1982-5-5 3559 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC9836  Vulpia bromoides J. A. Waller 1965-5-16 47 Humboldt Open field near Big Lagoon. Comment
  HSC9839  Vulpia bromoides J. W. Johnson 1962-4-18 1266 Humboldt Along the lane below the W.M. Lanphere Home, Samoa Peninsula Comment
  HSC9843  Vulpia bromoides D. B. Bader 1963-3-29 33 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  UC1103724  Vulpia bromoides J. P. Tracy 1899-4-30 308 Humboldt immediate vicinity Eureka 0 Comment
  SEINET3132612  Vulpia microstachys var. microstachys D. E. Anderson, JO Sawyer, JP Smith Jr. 1970-5-10 5056 Humboldt Along road from Redwood Creek to Hoopa, ca. 1-3 mi. W of Hoopa Comment
  UC1145194  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-6-17 14961 Humboldt nw slope Buck Mountain (Burr Valley); , Burr Valley 1066 Comment
  HSC9925  Vulpia myuros D. C. Juve 1964-5-14 Humboldt Camp Tish-Tang, Campbell Cr. Ranger Station, Hwy. 96. Comment
  UC525643  Vulpia octoflora var. hirtella Joseph P. Tracy 1929-7-4 8618 Humboldt French Camp Ridge; Northern Coast Ranges 1066 Comment
  BLMAR153  Whipplea modesta Donald Hazlett 1994-6-7 153 Humboldt King range, E-facing slope off hourse mountain ridge Comment
  CHSC63409  Whipplea modesta Vernon H. Oswald 1994-6-29 6365 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. Common groundcover on shaded forest edge. 975 Comment
  HSC13045  Woodwardia fimbriata Steve Dorei 1970-10-13 45 Humboldt H.S.U. campus, Arcata, W of Forestry building, SW corner of parking lot Comment
  HSC35285  Woodwardia fimbriata Lon Hall 1975-3-27 296 Humboldt Near Shelter Cove at edge of Bear Creek 366 Comment
  UC1541467  Wyethia longicaulis H. E. and S. T. Parks May 1930 740 Humboldt Laribee Valley Comment
  UC673077  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  CAS-BOT-BC527083  Xerophyllum tenax L. R. Abrams No date on lable. 7096 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  HSC3245  Zantedeschia aethiopica A. H. Teshima 1963-3-17 12 Humboldt Moonstone Beach Area Comment
  HSC8421  Zeltnera muehlenbergii William J. Ferlatte, B. D. Rogers 1966-8-15 3130 Humboldt North Bank Rd., 2 mi. N of Arcata Comment
  HSC81491  Zeltnera muehlenbergii Thomas W. Nelson, Jane P. Nelson 1980-8-12 6239 Humboldt Logging roads S of Lundbar Hills 61 Comment
  HSC15743  Zigadenus fremontii Elrid H. Spinas 1948-6-16 57 Humboldt Horse Mtn. Comment
  HSC21902  Zostera marina S. Estes 1964-4-4 17 Humboldt N Humboldt Bay Comment



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