Search Results — 2000 specimen records retrieved (1407 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/consortium/).
 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
  CAS-BOT-BC77966  Abies concolor Doris K. Kildale 1930-8-3 10358 Humboldt Chaparral Mt. at Bug Creek 914 Comment
  HSC72799  Abies concolor Gail Newton 1980-6-17 213 Humboldt Near Onion Mtn. 1341 Comment
  CAS-BOT-BC78057  Abies grandis Doris K. Kildale 1927-2-21 2958 Humboldt Bucksport, back of cemetery 30 Comment
  HSC13030  Abies grandis D. Santana, C. Kline Oct 1970 3 Humboldt HSC Campus Comment
  UC667970  Abies grandis Joseph P. Tracy 1937-6-20 15354 Humboldt 10 mi up stream from the mouth Bear River 152 Comment
  HSC16132  Abronia latifolia K. P. St. John 1965-5-21 39 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  HSC23109  Abronia latifolia Norman Dennis 1965-6-8 106 Humboldt Samoa Peninsula along the W side of Humboldt Bay Comment
  HSC49509  Abronia latifolia R. York 1979-5-18 298 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  RSA0025087  Abronia latifolia Lyman Benson 1928-7-10 449 Humboldt Clam Beach, Trinidad. 9 Comment
  CAS-BOT-BC436976  Acaena novae-zelandiae T. C. Fuller 1966-10-4 15236 Humboldt 1 mile northwest of Fieldbrook Comment
  CAS-BOT-BC330541  Acer circinatum Doris K. Kildale 1927-5-13 3134 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC330547  Acer circinatum Joseph P. Tracy 1928-5-6 8427 Humboldt North Coast Ranges. Willow Creek Canyon 609 Comment
  UC668177  Acer circinatum Joseph P. Tracy 1933-5-21 12213 Humboldt 5 mi e Bridgeville (McClellan Mountain); McClellan Mountain 670 Comment
  UC902129  Acer glabrum var. glabrum Joseph P. Tracy 1942-6-23 17248 Humboldt 3 mi e Box Camp; Trinity Summit 1584 Comment
  UC179927  Acer macrophyllum Joseph P. Tracy 1914-7-7 4493 Humboldt in valley of North Fork of Elk River Northern Coast Region, Humboldt Bay, North Fork Elk River (region about Humboldt Bay) 0 Comment
  RSA624389  Acer macrophyllum Louis C. Wheeler 1952-9-14 6930 Humboldt Steep east slope, associated with Umbellularia, Quercus garryana, Pseudotsuga taxifolia. Young tree ca. 8 meters tall. (#5) (Leaves from this tree for analysis). Comment
  CHSC10146  Achillea millefolium J. W. Johnson 1961-8-17 1061 Humboldt Arcata, California. W.M. Lanphere Farm, Samoa Peninsula. Comment
  CHSC33061  Achillea millefolium James P. Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell, California. Railroad right-of-way. Comment
  HSC37924  Achillea millefolium Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  HSC4548  Achillea millefolium R. I. Bonn 1965-4-3 15 Humboldt Four miles West of Arcata on Lanphere Rd. Comment
  JEPS36916  Achillea millefolium Lincoln Constance 1934-5-29 716 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region, Upper Look Prairie 365 Comment
  SEINET2145826  Achillea millefolium Joseph P. Tracy 1912-6-9 3661 Humboldt Alton 60 Comment
  UC205165  Achillea millefolium Joseph P. Tracy 1919-9-18 5243 Humboldt in comparatively dry places Trinity Summit; Northern Coast Ranges 1524 Comment
  CAS-BOT-BC400019  Achlys triphylla Doris K. Kildale 1926-4-30 1923 Humboldt Camp Grant, South Fork of Eel River 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
  JEPS47754  Achlys triphylla subsp. triphylla Lincoln Constance 1934-6-1 773 Humboldt Bull Cr. rd. between Dyerville Bridge and Bull Creek flat grove (mouth of Bull Cr.); S. Fork Eel R., Bull Creek Region 45 Comment
  CAS-BOT-BC210657  Achnatherum lemmonii Joseph P. Tracy 1933-7-25 12849 Humboldt Grouse Mountain 1524 Comment
  HSC45644  Acmispon micranthus Diane L. Reed 1978-5-7 53 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  BLMAR170  Acmispon parviflorus Donald Hazlett 1994-6-7 170 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC412848  Aconogonon davisiae Thomas Nelson 1979-7-11 5022 Humboldt North Trinity Mountain and ridge to east. SE of Water Dog Lake 1828 Comment
  JEPS60386  Actaea rubra W. L. Jepson 1932-7-29 16445 Humboldt Glenbrook Van Duzen R., Grizzly Flat Comment
  RSA12438  Adenocaulon bicolor Carl B. Wolf 1934-7-2 5855 Humboldt 2 mi. from Bald Mt. on rd. to Korbel. 762 Comment
  UC1239770  Adiantum X tracyi J. P. Tracy 1895-1 1683 Humboldt cultivated in Eureka (obtained above Pepperwood on Eel River) Comment
  HSC97598  Adiantum aleuticum Steven Lee 2004-4-6 9 Humboldt N side of Jolly Giant Cr. Rd., Redwood Community Forest Comment
  HSC43906  Adiantum aleuticum H. S. Logsdon 1964-5-14 42 Humboldt 3 mi. SE of Bayside on Jacoby Cr. Rd. Comment
  HSC44049  Adiantum aleuticum Thomas W. Nelson, Jane Nelson 1977-6-19 3494 Humboldt Above Alder Springs, N of pond 1585 Comment
  RSA687733  Adiantum aleuticum Anstruther Davidson 1923-10-8 17061 Humboldt Near Bridgeville Comment
  RSA137319  Adiantum jordanii I. L. Wiggins 1957-6-21 14137 Humboldt Margin of grassy slide area on east side of road, 1 mile south of Garberville Comment
  HSC56442  Agastache urticifolia Griswold, Butler 1979-7-12 7184 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  RSA15581  Ageratina occidentalis Carl B. Wolf 1927-8-27 s.n. Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  HSC4597  Agoseris grandiflora John Johnson 1962-8-17 1004 Humboldt Samoa Peninsula; Lanpher Ranch Comment
  UC1222942  Agoseris grandiflora Joseph P. Tracy 1948-8-8 18093 Humboldt Iaqua School House Iaqua Comment
  UC582753  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1934-7-4 13298 Humboldt at crossing of the Kneeland Road Lawerence Creek 457 Comment
  UC1222760  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1949-7-19 18392 Humboldt 1/4 mi se Clear Lake; Grouse Mountain 1524 Comment
  HSC75463  Agoseris heterophylla J. O. Sawyer 1980-7-18 3612 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC187290  Agrostis J. P. Tracy 1900-8-26 926 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC127456  Agrostis densiflora Joseph P. Tracy 1927-6-26 8216 Humboldt Stone Lagoon. 6 Comment
  RSA10025  Agrostis densiflora Joseph P. Tracy 1927-7-17 8271 Humboldt Three Cabins; Chaparral Mountain Comment
  CAS-BOT-BC127296  Agrostis exarata Palmer Stockwell 1934-7-13 64 Humboldt Clam Beach. Comment
  POM207131  Agrostis exarata W. C. Blasdale, Jos Burtt Davy 1899-6-13 5493 Humboldt Near Camp Grant Comment
  UC1103383  Agrostis exarata Joseph P. Tracy 1936-6-28 15031 Humboldt borders of bog at Lake Prairie; Bald Mountain 1066 Comment
  UC1607846  Agrostis exarata Harold E. Parks 1935-6-1 5687 Humboldt Spruce Cove Trinidad district 64 Comment
  UC552751  Agrostis exarata Joseph P. Tracy 1934-7-2 13296 Humboldt Trinidad 3 Comment
  UC726371  Agrostis exarata A. A. Heller 1923-7-8 13772 Humboldt near Fortuna Comment
  UC187118  Agrostis hallii Joseph P. Tracy 1911-7-4 3288 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity 182 Comment
  UC526882  Agrostis hallii Joseph P. Tracy 1930-6-29 8812 Humboldt nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UCD52555  Agrostis hallii P. B. Kennedy 1929-6-14 308 Humboldt Humboldt County. Comment
  UC1103384  Agrostis microphylla J. P. Tracy 1900-7-22 898 1/2 Humboldt vicinity Eureka; vicinity Eureka 0 Comment
  UC36960  Agrostis microphylla Harley P. Chandler May, 1901 1253 Humboldt Redwood Belt North Coast Ranges, Redwood Belt 304 Comment
  CAS-BOT-BC139125  Agrostis oregonensis Doris K. Kildale 1925-8-17 1264 Humboldt Trinity Summit. 1917 Comment
  UC526879  Agrostis oregonensis Joseph P. Tracy 1925-7-5 7173 Humboldt in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UCD53466  Agrostis stolonifera P. B. Kennedy 1925-7-30 s.n. Humboldt Eureka. Comment
  UCD53535  Agrostis stolonifera R. Tofsrud 1948-9-1 s.n. Humboldt Salmon Creek Ranch, about 8 miles S. of Eureka. Comment
  SBBG21792  Ailanthus altissima D. Myrick 1964-7-26 978 Humboldt Hwy 299, ca. 15 mi E of Arcata 762 Comment
Read comments
Feb 4 2016
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  HSC47784  Aira caryophyllea Michael A. Watkins 1978-6-10 10 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  HSC96238  Aira caryophyllea Sara March, Gillian Levy 2005-6-8 3 Humboldt 1.4 mi S of Hwy. 299 on Titlow Hill Rd. 980 Comment
  SEINET10839747  Aira caryophyllea Harold E. Parks, Susan T. Parks Parks 5850 Humboldt Spruce Cove, Trinidad. Comment
  SEINET14062595  Aira caryophyllea M. A. Baker 1980-5-17 1280 Humboldt Black Mtn. Comment
  SEINET7594519 Image available Aira caryophyllea Ira L. Wiggins 1932-1 5974 Humboldt Hillside at mouth of Little River Comment
  CAS-BOT-BC138336  Aira caryophyllea var. caryophyllea Ira L. Wiggins 1932-6-18 5874 Humboldt Hillside at mouth of Little River. Comment
  HSC100396  Alisma plantago Carl C. Marshall Jun 1887 486 Humboldt In a swamp near Cox's Ranch, SE Humboldt. Comment
  SEINET199675  Allium amplectens J. P. Tracy 1936-6-17 14975 a Humboldt Little Van Duzen River at hwy crossing 0 Comment
  UC3112 Image available Allium bolanderi Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge; ; Humboldt Co. Comment
  HSC98503  Allium bolanderi var. bolanderi Cara Witte 2007-7-8 434 Humboldt Board Camp Mountain. Pack trail 4E26. 1491 Comment
  HSC74047  Allium campanulatum R. York 1980-5-23 611 Humboldt Near Buck Mtn. 1524 Comment
  CAS-BOT-BC469019  Allium falcifolium Doris K. Kildale 1926-6-9 2150 Humboldt Horse Mountain 1219 Comment
  HSC67187  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-6-10 5423 Humboldt Along NE side of Red Mtn. 1433 Comment
  HSC71842  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5947 Humboldt Along low ridge NE of small vernal pond at N base of Red Lassic 1677 Comment
  JEPS47611  Allium siskiyouense Joseph P. Tracy 1933-7-16 12789 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC666937  Allium siskiyouense Joseph P. Tracy 1932-7-12 10484 Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  CDA43227  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy 101 ca. 1.0 miles west of Orick. 0 Comment
  UC666921  Allium unifolium Joseph P. Tracy 1932-5-22 10113 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  JEPS56397  Allium unifolium Joseph P. Tracy 1917-6-17 4078 Humboldt bluff at Bucksport Northern Coast Ranges, Eureka, Bucksport 0 Comment
  RSA20861  Allium unifolium Carl B. Wolf 1937-8-11 8900 Humboldt Fleener Creek, 0.5 mile south of Centerville. 46 Comment
  UC666889  Allium validum Joseph P. Tracy 1932-7-13 10515 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  RSA174010  Alnus rhombifolia R. F. Thorne 1957-9-2 18991 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  UC1197945  Alnus rhombifolia Joseph P. Tracy 1931-12-25 9766 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  SBBG28459  Alnus rubra H. E. and S. T. Parks 1938-4-1 24126 Humboldt Spruce Cove, Trinidad 60 Comment
  UC1135151  Alnus rubra H. S. Yates 1936-6-23 5865 Humboldt 1 mi s of Loleta; California Forest Experiment Station 30 Comment
  SEINET12030339  Alnus rubra F. H. Utech 1986-1 86 -415 Humboldt between Capetown & Ferndale on Mattole Creek, SW slope of Bear River Ridge 100 Comment
  SEINET12031409  Alnus rubra F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -301 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Road (USFS Road 411) 150 Comment
  UCD170775  Alnus rubra Gordon Leppig 1998-3-25 724 Humboldt McKinleyville, Central Ave. South-bound lane near 101 junction. 42 Comment
  RSA152528  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt Salmon Creek Valley, at south end of Humboldt Bay. 15 Comment
  UC187284  Alopecurus geniculatus Joseph P. Tracy 1911-6-25 3249 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay, Bucksport 0 Comment
  JEPS27131  Alopecurus saccatus Joseph P. Tracy 1912-7-21 3780 Humboldt Alton Northern Coast Region, Alton 30 Comment
  JEPS79807  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton 30 Comment
  UCD55924  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton. 30 Comment
  SEINET10473459  Ambrosia Mary Susan Taylor 1990-8-22 Taylor 6076 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  HSC5662  Ambrosia chamissonis David Adams Oct 1960 Humboldt N bank of the Mad River near mouth 0 Comment
  UCD170774  Ambrosia chamissonis Gordon Leppig 1998-5-25 786 Humboldt Big Lagoon State Park. Between ocean and Big Lagoon. 2 Comment
  HSC102083  Amelanchier alnifolia M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 987 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC70328  Amelanchier alnifolia M. A. Baker 1980-6-8 1883 Humboldt Near Buck Flat. 1554 Comment
  HSC39521  Amelanchier alnifolia var. semiintegrifolia Thomas W. Nelson, James Nelson 1976-6-10 2664 Humboldt Ridge W of Senteney Rock 1555 Comment
  HSC70814  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-24 1778 Humboldt Near Somes Mtn. 1615 Comment
  CAS-BOT-BC142894  Amelanchier alnifolia var. semiintegrifolia L. R. Abrams 1917-6-17 7209 Humboldt Hoopa to Briar's Resort on road to Korbel Comment
  UC1198747  Amelanchier utahensis Joseph P. Tracy 1947-8-24 17900 Humboldt at edges Box Camp Meadow (near Box Camp); Trinity Summit 1463 Comment
  UC14217  Amelanchier utahensis Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC505104  Ammannia robusta Joseph P. Tracy 1931-9-7 9659 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  SACT000320  Ammophila arenaria D. Shillingbury 1963-5-11 Humboldt Coastal strand Comment
  RSA0089915  Amsinckia menziesii H. E. Parks 1933-03 4282 Humboldt Trinidad. Comment
  HSC17837  Anagallis arvensis A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek Jct., 200 yards W of Lindsey Creek Comment
  UC906761  Anagallis arvensis Joseph P. Tracy 1947-9-1 17925 Humboldt Big Lagoon 6 Comment
  HSC49064  Anaphalis margaritacea Patricia Shesgreen 1978-8-2 125 Humboldt Arcata Community Forest, Arcata; 200 yds. N of field house on top of hill overlooking baseball field Comment
  RSA247393  Anaphalis margaritacea Gary D. Wallace 1966-9-12 702 Humboldt Along Hwy. 299 E of Arcata near Willow Creek; Comment
  RSA416576  Anaphalis margaritacea Maude Minthorn s.n. Humboldt Ferndale Comment
  POM288758  Anaphalis margaritacea Lyman Benson 1929-7-12 1747 Humboldt Weott Ranger Station; S Fork Eel River. Comment
  HSC76584  Anemone deltoidea Teresa Prendusi 1981-7-24 484 Humboldt Near Whiteys Peak 1585 Comment
  HSC99371  Anemone deltoidea K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 20 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  HSC33062  Anemone oregana var. oregana Thomas W. Nelson, Jane Cole, Brad Klipfel 1974-5-8 1250 Humboldt Horse Mtn. area, W of microwave tower 1220 Comment
  HSC55992  Angelica arguta Overton, Butler 1979-7-31 11422 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC71412  Angelica hendersonii J. M. DiTomaso 1980-6-7 1567 Humboldt Elkshead, N of Trinidad. Comment
  UC1197377  Angelica hendersonii Joseph P. Tracy 1924-9-28 6909 Humboldt Northern Coast Ranges, Centerville Centerville; Northern Coast Ranges, Centerville 6 Comment
  CAS-BOT-BC211058  Angelica lucida W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  UC126727  Angelica lucida John Matthiesen 1908-8-17 Humboldt Loleta Comment
  UC154250  Angelica lucida Joseph P. Tracy 1909-9-19 3087 Humboldt Region about Humboldt Bay (near Samoa, Northern Coast Region); Northern Coast Region 0 Comment
  HSC101671  Angelica tomentosa Cara Witte 2008-8-6 999 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  HSC70546  Angelica tomentosa M. A. Baker 1980-7-19 3025 Humboldt Near Bret Hole. 1814 Comment
  HSC71978  Angelica tomentosa J. M. DiTomaso 1980-8-4 1834 Humboldt Hwy 299, 5 mi W of Willow Creek at 34.4 mi mark 671 Comment
  CAS-BOT-BC271452  Anisocarpus madioides Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC271497  Anisocarpus madioides L. R. Abrams 1918-6-15 7121 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  UC34553  Anisocarpus madioides Chesnut and Drew 1888-7-10 Humboldt Jarnigans Comment
  UC89528  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  CAS-BOT-BC271491  Anisocarpus madioides Doris K. Kildale 1927-5-17 3184 Humboldt Fish Creek near Garberville Comment
  CAS-BOT-BC137739  Anthoxanthum odoratum David D. Keck 1948-7-2 6010 Humboldt 1.5 mile esat of Freshwater (Garfield), on Kneeland Road. Comment
  HSC8942  Anthoxanthum odoratum Gerald T. Rood 1962-5-6 11 Humboldt Kneeland Road ca. 1 mi. W of Barry Rd. Comment
  HSC96543  Anthoxanthum odoratum Gordon Leppig 1997-8-3 647 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  UC1541539  Anthoxanthum odoratum Harold E. Parks May 1933 4301 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove Comment
  UC1196737  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1947-7-13 17771 Humboldt near mouth of Hors Linto Creek 152 Comment
  HSC41328  Apocynum androsaemifolium Brad Klipfel 1974-8-2 510 Humboldt Horse Mtn. Comment
  UC562298  Apocynum cannabinum Joseph P. Tracy 1932-6-14 10148 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  CAS-BOT-BC392161  Aquilegia formosa E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  SEINET12104677  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC18037  Aquilegia formosa var. formosa F. B. Plett 1963-5-11 45 Humboldt 1.5 mi. N of Trinidad on old Hwy. 101 Comment
  UC1222664  Arabidopsis thaliana Joseph P. Tracy 1950-4-23 18637 1/2 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  HSC57633  Arabis breweri var. breweri G. L. Clifton, Griswold 1979-7-25 10787 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC58354  Arabis glabra Walter Overton, Butler 1979-8-2 12692 Humboldt Near Grogan Hole, close to the town of Hoopa 1554 Comment
  HSC75964  Arabis glabra Walter Overton, Butler 1979-8-2 12585 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  HSC57653  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-25 10824 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  OBI20498  Aralia californica Carl B. Wolf 1937-9-8 9302 Humboldt North Coast Range, Bull Crk-Petrolia Rd, 12 mi W of Redwood hwy 457 Comment
  UCD128220  Aralia californica B. L. Kay 1954-8-26 s.n. Humboldt 5 miles west of Gaberville. Comment
  CAS-BOT-BC102206  Arctium minus L. R. Abrams 1927-8-30 12050 Humboldt Scotia Comment
  UCR32088  Arctostaphylos canescens David J. Keil 1983-7-2 17321 Humboldt c. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  HSC98568  Arctostaphylos canescens subsp. canescens Cara Witte 2008-7-7 836 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1/2 mile southeast of Horse Mountain Mine. 1308 Comment
  CAS-BOT-BC23756  Arctostaphylos columbiana Alice Eastwood 1907-4-21 12 Humboldt Trinidad Comment
  CAS-BOT-BC23785  Arctostaphylos columbiana Doris K. Kildale 1927-2-22 2980 Humboldt Kneeland Prairie at juncion of old and new roads 609 Comment
  CAS-BOT-BC23795  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Berry Mt. between Trinity River and Redwood Creek Comment
  CHSC39441  Arctostaphylos columbiana B. A. Stein 1981-11-1 568 Humboldt US Hwy 101, 2 miles north of Patrick Point. 60 Comment
  CHSC63763  Arctostaphylos columbiana Walter Knight; Irja Knight 1988-9-5 6363 Humboldt Bald Hill Road about 21.5 miles from U. S. 101 en route to Hoopa. 929 Comment
  HSC33075  Arctostaphylos columbiana Thomas W. Nelson, J. D. Ackerman 1974-5-14 1264 Humboldt Beside old Samoa-Crannell railroad bed adjacent to the Mad River Slough N of Emerson Mill Comment
  JEPS38976  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13134 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  LA42321  Arctostaphylos columbiana H. E. Parks; 1931-3-25 917 Humboldt near Patrick's Point Comment
  RSA622698  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27681 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC726576  Arctostaphylos columbiana A. A. Heller 1937-6-12 15918 Humboldt along road paralleling the ocean Bishop Pine Lodge (3 mi n of Trinidad) Comment
  UCD50772  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1170 Humboldt 21.4 miles east of U.S. Highway 101 on Bald Hills Road from Orick, French Camp Ridge. Comment
  RSA381132  Arctostaphylos columbiana var. columbiana Roman Gankin, W. Richard Hildreth 1967-10-26 1171 Humboldt 21.4 miles east of US 101 on Bald Hills Road from Orick. French Camp Ridge. Comment
  CAS-BOT-BC24825  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1940-7-14 16689 Humboldt Wilder Ridge (near Kings Peak). 762 Comment
  UC1222638  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1950-8-4 19251 Humboldt Grasshopper Peak Bull Creek State Park Comment
  CHSC63764  Arctostaphylos manzanita Walter Knight; Irja Knight 1988-9-5 6362 Humboldt Bald Hill Road about 21.5 miles from US 101 en route to Hoopa. 929 Comment
  RSA633018  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27810 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  HSC101660  Arctostaphylos manzanita subsp. glaucescens J. P. Smith, J. O. Sawyer 2011-4-23 13121 Humboldt Along road from Redway to Shelter Cove 212 Comment
  CAS-BOT-BC24372  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-6-25 3583 a Humboldt Near Ettesburg. Comment
  SEINET11989092  Arctostaphylos nevadensis subsp. knightii R. Gankin, Hildreth, W. R. 1967-1 1174 Humboldt 21.4 mi E of US 101 on Bald Hills Rd from Orick, French Camp Ridge Comment
  CAS-BOT-BC46628  Arctostaphylos patula L. B. Kildale 1930-8-3 10356 Humboldt Chaparral Mt. at Bug Creek. 914 Comment
  HSC70475  Arctostaphylos patula Gail Newton 1980-7-15 1588 Humboldt Near Sims Mtn. 1311 Comment
  JEPS38941  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8135 Humboldt Horse Mountain 1432 Comment
  UC585901  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8136 Humboldt Horse Mountain 1432 Comment
  UCD53433  Arctostaphylos patula A. E. Wieslander 1931-5-19 199 Humboldt Near Orleans. Comment
  RSA134148  Arctostaphylos stanfordiana P. C. Everett, E. K. Balls 1959-10-24 23954 Humboldt 6.8 mi. SW from Siskiyou-Humboldt Co. Line, Somesbar to Orleans. 152 Comment
  CAS-BOT-BC47210  Arctostaphylos uva-ursi Doris K. Kildale 1927-3-4 2975 Humboldt Samoa peninsula. Comment
  HSC7731  Arctostaphylos uva-ursi L. H. Myers 1963-5-5 28 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  HSC77903  Arctostaphylos uva-ursi L. P. Janeway 1984-5-16 799 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 5 Comment
  RSA246678  Arctostaphylos uva-ursi var. coactilis R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35148 Humboldt Samoa Dunes. 3 Comment
  HSC76328  Arctostaphylos viscida Denis Kearns 1981-7-6 52 Humboldt Near Mosquito Lake 1122 Comment
  UCD129123  Arctotheca calendula T. C. Fuller; G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  UCD129124  Arctotheca calendula T. C. Fuller; G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  UCD129125  Arctotheca calendula T. C. Fuller; G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  SEINET200929  Aristida oligantha J. P. Tracy 1919-9-15 5222 Humboldt Northern Coast Ranges; valley of Trinity River near mouth of Willoe Creek 152 Comment
  UC1027189  Aristida oligantha J. I. Mallory 1955-9-17 122 Humboldt 3/8 mi nnw headquarters; Quad 29A-2, Cottrell Ranch 746 Comment
  CAS-BOT-BC64584  Armeria maritima subsp. californica Ira L. Wiggins 1930-7-11 4683 Humboldt Near Samoa. Comment
  RSA296782  Armeria maritima subsp. californica Clark L. Miller 1979-5-24 2 -150 Humboldt Samoa Dunes off Samoa Blvd. Comment
  UCD98448  Armeria maritima subsp. californica Linda M. Barker 1976-6-1 1553 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC82430  Arnica discoidea Doris K. Kildale 1926-6-27 2190 Humboldt McClellan Mountain - Sweasey Lake 822 Comment
  HSC63286  Arnica discoidea M. A. Baker 1979-6-29 955 Humboldt Hopkin's Creek. 760 Comment
  JEPS35862  Arnica discoidea Lincoln Constance 1934-6-19 910 Humboldt s of, near summit of Grasshopper Mtn Bull Creek Flat; South Fork of the Eel River, Grasshopper Mtn. 914 Comment
  RSA167207  Arnica discoidea Joseph P. Tracy 1950-8-8 19273 Humboldt 2 miles E of town, on trail to Croghan Hole, Trinity Summit, near Box Camp. 1524 Comment
  HSC99401  Arnica latifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 50 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC44152  Arnica spathulata Thomas W. Nelson, Jane P. Nelson 1977-7-1 3555 Humboldt Along N side of ridge between Bear and Blanket Creeks. 1494 Comment
  IRVC497  Artemisia pycnocephala John Johnson 1961-9-4 1098 Humboldt Arcata; Christenson Farm. Comment
  CAS-BOT-BC97245  Artemisia suksdorfii W. R. Dudley 1899-1 s.n. Humboldt Trinidad Head Comment
  SEINET201066  Artemisia suksdorfii Joseph P. Tracy 1934-7-13 13382 Humboldt Coastal bluffs 3 Comment
  UC204825  Artemisia suksdorfii Joseph P. Tracy 1918-7-1 4973 Humboldt 3 mi s point of cape; Northern Coast Ranges, Cape Mendecino 3 Comment
  CHSC68790  Aruncus dioicus var. pubescens Vernon Oswald 1997-6-5 8546 Humboldt Hwy. 299 between Willow Creek and Blue Lake, 1.1 mi west of East Fork Campground, 3.1 mi east of Titlow Hill Rd. 542 Comment
  UC154045  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC154230  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  CAS-BOT-BC400528  Asarum caudatum Mrs. H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  HSC91597  Asarum caudatum E. Mackey 1987-3-1 Humboldt Patrick's Point State Park Comment
  RSA114387  Asarum caudatum G. R. Campbell 1955-9-20 21468 Humboldt 4 mi. NE of Strongs Station (Van Duzen River) on Yager road Comment
  RSA189626  Asarum caudatum Noel Holmgren, James L. Reveal 1966-6-8 2654 Humboldt Coast Range, east of Arcata, 1.5 miles south of Korbel. 274 Comment
  SEINET12094754  Asarum caudatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -277 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  SEINET8588609  Asarum caudatum J. D. Freeman, R. F. Freeman 1967-5-7 584 Humboldt Moist low bluff just W of Cal. Hwy 36 and just N of Carlotta. Comment
  HSC72812  Asarum hartwegii Gail Newton 1980-7-20 1595 Humboldt Near Bell Swamps 1463 Comment
  UC154170  Asclepias cordifolia Harley P. Chandler June, 1901 1347 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UCD137283  Aspidotis densa Frederic Hrusa 1993-6-17 11223 Humboldt Red mountain, at entrance gate to Red Mt. 900 Comment
  RSA417736  Aster ledophyllus Brad W. Klipfel 1973-7-15 189 Humboldt Along ridge trail southeast of North Trinity Mountain 1829 Comment
  HSC92746  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Rd. 500 Comment
  UC502993  Astragalus agnicidus J. C. Tario Jr. 1931-8-20 Humboldt 4 mi s Miranda (near Bear Buttes, local on Tosten and Pierce Ranch); s of Miranda, nr Bear buttes, Tosten and Pierce Ranch 762 Comment
  UC1222422  Astragalus rattanii var. rattanii Joseph P. Tracy 1962-7-24 19626 Humboldt Blue Slide on Van Duzen River (Van Duzen); , Blue Slide 91 Comment
Read comments
Jun 28 2015
  UC175639  Astragalus rattanii var. rattanii Joseph P. Tracy 1913-5-4 4051 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC495726  Astragalus rattanii var. rattanii Joseph P. Tracy 1932-6-19 10245 Humboldt nw slope of Buck Mountain Buck Mountain (lower foothills); Northern Coast Ranges, Buck Mountain 762 Comment
  UC82583  Astragalus rattanii var. rattanii J. W. Blankinship 1893-6-15 Humboldt Bridgeville Comment
  RSA90753  Astragalus rattanii var. rattanii F. W. Peirson 1926-7-13 7058 Humboldt Near Blue Lake, Mad River. Comment
  JEPS109394  Astragalus umbraticus Dean W. Taylor 2009-7-14 20674 Humboldt vicinity Lake Prairie, reached via Guy Kerr Ranch Road off Snow Camp Road 1133 Comment
  RSA0089849  Astragalus umbraticus Dean Wm. Taylor 2009-7-14 20674 Humboldt vicinity Lake Prairie, reached via Guy Kerr Ranch Road off Snow Camp Road. 1133 Comment
  RSA138295  Astragalus umbraticus Volney Rattan 1878-1 1878 Humboldt Humboldt. Comment
  CAS-BOT-BC69525  Athyrium filix-femina subsp. cyclosorum Ira L. Wiggins 1957-6-19 14127 Humboldt 2.5 mi. w. of Pepperwood. Comment
  POM281070  Athyrium filix-femina subsp. cyclosorum Lyman Benson 1928-7-12 492 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 76 Comment
Read comments
Oct 12 2010
  HSC9004  Avena barbata R. Spellenberg 1965-6-14 1124 Humboldt Along Barry Rd., 1 mi. from junction with Bridgeville Rd., Kneeland Prairie Comment
  UC526704  Avena barbata Joseph P. Tracy 1933-5-20 12228 Humboldt 3 mi S of point of cape Cape Mendocino (SW slopes, fronting the ocean); Northern Coast Ranges 3 Comment
  HSC9012  Avena fatua R. Spellenberg 1965-6-14 1123 Humboldt Along Barry Rd., 1 mi. from junction with Bridgeville Rd., Kneeland Prairie Comment
  UC1239784  Azolla filiculoides Joseph P. Tracy 1911-6-25 3245 Humboldt pool back of Holmes Mill Bucksport; Northern Coast Region 0 Comment
  CAS-BOT-BC98768  Baccharis douglasii L. R. Abrams 1916-7-18 6111 Humboldt Arcata to Trinidad, 18 mi. along the coast Comment
  UC164794  Baccharis glutinosa J. P. Tracy 1900-9-3 937 Humboldt immediate vicinity of Eureka 0 Comment
  HSC12350  Baccharis pilularis subsp. consanguinea Steve Dorei 1970-10-31 139 Humboldt Scotia Bluff area Comment
  HSC89419  Baccharis pilularis subsp. pilularis P. A. Daly 1986-2-28 58 Humboldt Trinidad Head 61 Comment
  SEINET7003036  Baeria chrysostoma Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC1198289  Barbarea orthoceras Joseph P. Tracy 1932-7-16 10642 Humboldt along creek in McKay Prairie 1524 Comment
  HSC98166  Bellis perennis Lincoln Constance 1934-6-3 800 Humboldt Bull Creek Region; South Fork Eel River: N Dyerville Flat Comment
  CAS-BOT-BC48155  Bensoniella oregona Joseph P. Tracy 1939-7-9 16327 Humboldt Snow Camp in moist ground around meadow. 1402 Comment
  UC1198384  Berberis aquifolium var. aquifolium Joseph P. Tracy 1948-9-5 18186 Humboldt on ridge 2 mi e Grove's Prairie (3 mi s of Grizzly Camp) 1524 Comment
  HSC76277  Berberis aquifolium var. repens Denis Kearns 1981-7-6 65 Humboldt Near Mosquito Lake 1256 Comment
  HSC28089  Berberis nervosa J. D. Ackerman 1973-4-29 77 Humboldt 2 mi. NE of Kneeland Comment
  HSC3347  Berberis nervosa C. B. Wolf 1927-8-28 1179 Humboldt 13 mi. above Blue Lake on Lord Ellis Rd. Comment
  HSC57034  Berberis nervosa Overton, Butler 1979-7-24 9666 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC74628  Berberis nervosa M. A. Baker 1980-5-17 1253 Humboldt Near Le Perron Peak 1066 Comment
  UC1198383  Berberis nervosa J. P. Tracy 1903-8-9 1941 Humboldt vicinity of Eureka 0 Comment
  HSC35712  Berberis pinnata Thomas W. Nelson 1975-10-12 2236 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC102084  Bistorta bistortoides M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 988 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  CAS-BOT-BC66276  Blechnum spicant Ira L. Wiggins 1957-6-20 14132 Humboldt east side of highway, Trinidad Comment
  CDA42493  Blechnum spicant G. D. Barbe, T. C. Fuller 1974-6-18 1874 Humboldt Fern Canyon Road, 2.8 miles west of Highway 101, 5 miles south of Klamath River. 0 Comment
  UC1222663  Boechera pauciflora Joseph P. Tracy 1950-6-15 18794 Humboldt 7 mi n Harris (Jenk's Ranch); Mail Ridge Comment
  CHSC96445  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1999-10-25 1268 Humboldt State Highway 101, mile marker 61.40. UTM zone 10, 4519N, 406 E. 2 Comment
  HSC93472  Bolboschoenus maritimus subsp. paludosus Gordon Leppig 1998-6-25 851 Humboldt Hwy. 101 marker 81.60, brackish ditch on E side of Hwy. 2 Comment
  UC1239783  Botrychium multifidum Joseph P. Tracy 1912-7-22 3793 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  CAS-BOT-BC420257  Boykinia occidentalis Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC20181  Boykinia occidentalis H. E. Parks, S. T. Parks Jun, Jul 1952 24451 Humboldt Spruce Cove, Trinidad 61 Comment
  RSA466750  Boykinia occidentalis Thekla Mohr s.n. Humboldt Eel River. Humboldt and Mendocino Cos. Comment
  HSC6581  Brassica rapa Francis Winter 1960-5-14 Humboldt Samoa Peninsula, 6 mi. W of Arcata Comment
  HSC32011  Briza maxima J. D. Ackerman 1974-5-26 268 Humboldt 1 mi. S of Trinidad on Scenic Dr. Comment
  HSC61765  Briza maxima Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan Comment
  HSC79462  Briza maxima Kenneth Clark 1980-5-10 661 Humboldt Access road to Shelter Cove 30 Comment
  RSA249403  Briza maxima J. D. Ackerman 1974-5-26 268 Humboldt ca. 1 mile south of Trinidad on Scenic Drive. Near coastal bluffs. Comment
  JEPS72933  Briza minor Lincoln Constance 1934-5-23 611 Humboldt se slope of mt. above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  UC666909  Brodiaea elegans subsp. elegans Joseph P. Tracy 1938-7-15 16060 Humboldt low sandy fields Eureka, Bucksport 9 Comment
  CAS-BOT-BC486507  Brodiaea stellaris W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula Comment
  JEPS512  Brodiaea stellaris Joseph P. Tracy 1928-6-24 8474 Humboldt at head Middle Yager Creek (grassy flat); East's Ranch 762 Comment
  UC527819  Brodiaea terrestris subsp. terrestris Ira L. Wiggins 1932-6-18 5877 Humboldt mouth of Little River Little River Comment
  SEINET3921829  Bromus carinatus Thomas Nelson, Jane P. Nelson 1976-7-26 3037 Humboldt Along ridge northwest of Lassic Peak (Signal peak).; 0 1707 Comment
  UCD57869  Bromus carinatus Joseph P. Tracy 1936-6-17 14946 Humboldt Buck Mountain. 792 Comment
  UCD58229  Bromus carinatus A. H. Murphy 1947-4-1 s.n. Humboldt Table Bluff. Ca. 1.5 miles N of Loleta. Comment
  UC212889  Bromus commutatus Joseph P. Tracy 1919-5-25 5138 Humboldt Northern Coast Ranges, at Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC526931  Bromus commutatus Joseph P. Tracy 1933-6-9 12534 Humboldt North Coast Ranges, on Eel River, Shively Shively; North Coast Ranges, Eel River, Shively 30 Comment
  HSC103007  Bromus hordeaceus J. P. Smith 2014-5-23 13847 Humboldt Along the Hammond Trail north of Murray Road in McKinleyville 17 Comment
  HSC9239  Bromus hordeaceus T. L. Ackerman 1964-5-7 41 Humboldt 1.5 mi. W from Sweesey dam Comment
  HSC98699  Bromus hordeaceus Cara Witte 2007-5-23 98 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1.5 miles south of intersection with 5N04 and 4N32E. 1402 Comment
  RSA126903  Bromus hordeaceus H. S. Yates 1936-6-17 5716 Humboldt Near Burr valley; South Fork Pk. 915 Comment
  UC34106  Bromus hordeaceus Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5349 a Humboldt Bells Spring; North-Western California, Bells Spring Comment
  UCD58817  Bromus hordeaceus A. H. Shunk 1923-7-12 s.n. Humboldt Briceland. Comment
  UC37636  Bromus laevipes Harley P. Chandler June, 1901 1512 A Humboldt North Coast Ranges, Klamath River Klamath River; North Coast Ranges, Klamath River 426 Comment
  OBI22382  Bromus orcuttianus Joseph P. Tracy 1936-8-8 15124 Humboldt Trinity Summit On ridge 2 mi E of Grove's Prairie 1463 Comment
  UC552683  Bromus orcuttianus Joseph P. Tracy 1935-7-22 14129 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  OBI22448  Bromus sitchensis Joseph P. Tracy 1937-5-31 15318 Humboldt Trinity River Valley, at Willow Crk Comment
  POM160825B  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Stitz Creek. Along Eel River South Fork to Scotia. 61 Comment
  HSC73210  Bromus tectorum M. A. Baker 1980-5-18 1281 Humboldt Near Black Mtn. 1006 Comment
  RSA259560  Bromus vulgaris D. E. Anderson, J. P. Smith 1971-6-28 J- 1231 Humboldt Growing along Mad River ca. 2 mi. south of Blue Lake. Comment
  HSC6610  Cakile maritima Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  OBI36381  Cakile maritima David J. Keil 1983-7-1 17284 Humboldt Ca. 5 mi NW of Petrolia along Mattole Rd Comment
  UCD114935  Cakile maritima M. Barbour 1969-9-4 s.n. Humboldt Just west of Trinidad and north, across isthmus from Trinidad Bay. Comment
  UC1103289  Calamagrostis canadensis Joseph P. Tracy 1935-7-27 14290 Humboldt McKay Prairie Trinity Summit (along creek) 1584 Comment
  UCD56952  Calamagrostis foliosa A. H. Murphy 1951-5-18 38 Humboldt approx. 1.5 mi. south of Petrolia at bridge corssing, along Mattole River. Comment
  JEPS71173  Calamagrostis nutkaensis W. L. Jepson 1936-8-18 17943 Humboldt Wildcat Ridge Comment
  UC511547  Calamagrostis nutkaensis Ira L. Wiggins 1932-7-25 5898 Humboldt roadsides near McKinleyville Comment
  HSC17627  Calandrinia ciliata Elrid H. Spinas 1948-5-22 32 Humboldt Horse Mtn. Comment
  UC183610  Callitriche trochlearis Joseph P. Tracy 1913-3-9 4025 Humboldt Alton; Northern Coast Region 30 Comment
  HSC3806  Callitriche trochlearis D. E. Anderson 1965-6-1 3783 Humboldt Small pond along road to Brush Mtn., 0.25 mi. from Hwy. 299 Comment
  CAS-BOT-BC80387  Calocedrus decurrens Doris K. Kildale 1927-5-13 3129 Humboldt Redwood Creek at Berry's 289 Comment
  HSC82030  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-25 5345 Humboldt Along Alderpoint-Blocksburg Rd., just SE of bridge over N Dobbyn Creek 152 Comment
  UC146214  Calochortus tolmiei Joseph P. Tracy 1908-6-8 2624 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC494364  Calochortus tolmiei Joseph P. Tracy 1917-5-30 4813 Humboldt Sand dunes west of Dows Prairie 15 Comment
  CAS-BOT-BC494368  Calochortus tolmiei M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  UC1222549  Calochortus tolmiei Joseph P. Tracy 1951-5-6 19394 Humboldt 5 mi e Carlotta (by old Strong's District School House) 60 Comment
  UC176353  Calochortus tolmiei Joseph P. Tracy 1913-6-22 4263 Humboldt opposite Buck Mountain (Dinsmore's Ranch); North Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA0120938  Caltha biflora Joseph P. Tracy 1951-6-14 19408 Humboldt Snow Camp. 1402 Comment
  HSC99483  Caltha leptosepala K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 142 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
  UC129390  Calycadenia fremontii Harley P. Chandler 1901-6-1 1533 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  UC668210  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River, west of its mouth South Fork of Trinity River 304 Comment
  JEPS38589  Calycadenia multiglandulosa W. L. Jepson 1902-7-4 1983 Humboldt Hupa Valley Comment
  SEINET12074106  Calypso bulbosa J. P. Tracy 1950-1 Humboldt Comment
  UC1196479  Calypso bulbosa Joseph P. Tracy 1913-6-25 4342 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC38746  Calypso bulbosa var. occidentalis J. D. Ackerman 1976-4-27 754 Humboldt 10 mi. E of Blue Lake on road to Maple Creek Comment
  HSC97630  Calyptridium monospermum Cara Witte 2007-6-5 214 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  SEINET12343669  Calystegia occidentalis L. K. Henry 1971-7-6 Humboldt Along Rt 36, 2 mi E of Dinsmore, in Six Rivers National Forest Comment
  HSC71173  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 1977-5-30 3417 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  HSC23736  Calystegia purpurata Tim Baroni 1971-7-5 107 Humboldt 8 mi. E of Petrolia Comment
  CHSC68781  Calystegia soldanella Vernon Oswald 1997-6-5 8533 Humboldt North Spit of Humboldt Bay, the west side of New Navy Base Rd. 1.0 mi south of Hwy 255. 6 Comment
  HSC90315  Calystegia soldanella Jean Hanson 1980-5-24 79 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island, 25 ft. from high tide line Comment
  UC1222552  Camassia quamash J. P. Tracy 1951-6-14 19407 Humboldt Snow Camp 1402 Comment
  CDA39271  Camassia quamash subsp. quamash Gordon Leppig 1998-6-1 874 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  UC1196941  Camissonia contorta Joseph P. Tracy 1901-4-14 1028 Humboldt Samoa Northern Coast Region, Humboldt Bay Comment
  CHSC52938  Camissoniopsis cheiranthifolia subsp. cheiranthifolia L. P. Janeway 1984-4-11 730 Humboldt On the North Spit of Humboldt Bay; northwest of the boat ramp and north of the Coast Guard Sta. 4 Comment
  UC665629  Camissoniopsis cheiranthifolia subsp. cheiranthifolia H. E. Parks August, 1941 24180 Humboldt sand dunes Little River State Park Comment
  SEINET10462962  Campanula prenanthoides Overton 1979-7-23 OVERTON 9491 Humboldt Near Titlow Hill, on the Willow Creek quad., close to the town of Willow Creek 1280 Comment
  SEINET10462985  Campanula prenanthoides Wolf 1937-8-13 WOLF 9215 Humboldt North Coast Range; 8 miles east of Hoopa Valley on new road towards Trinity Summit 1219 Comment
  HSC99576  Campanula scouleri K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 241 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
  SEINET10463566  Campanula scouleri Clifton 1979-7-31 CLIFTON 11815 Humboldt NR TISH TANG A TANG CR., SALMON MT QUAD. NR HOOPA EVERGREEN CONIFER FOREST IN SEEPAGE AREA 1356 Comment
  SEINET201622  Campanula scouleri Joseph P. Tracy 1937-7-25 15560 Humboldt Happy Camp Mountain In Trinity Summit Range NE of Hawkins Bar. 1280 Comment
  CAS-BOT-BC37425  Cardamine californica Doris K. Kildale 1929-4-27 7444 Humboldt Lord Ellis road near Bald Mountain junction. (road to Willow Creek). Comment
  CAS-BOT-BC37436  Cardamine californica Alice Eastwood 1907-4-22 25 Humboldt Near Trinidad. Comment
  HSC44272  Cardamine californica Barbara Kelly 1977-4-23 300 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  UC249683  Cardamine californica Joseph P. Tracy 1921-3-20 5425 Humboldt 12 mi e Hydesville (Van Duzen River at Blue Slide); Northern Coast Ranges, Van Duzen River at Blue Slide 91 Comment
  HSC104050  Cardamine nuttallii E. R. Fyer 2015-3-19 5 Humboldt Six Rivers National Forest; along the East Fork of Willow Creek, off Hwy. 299. 505 Comment
  UC1199204  Cardamine oligosperma Joseph P. Tracy 1919-3-31 5166 Humboldt along Willow Creek ((Tributary of Trinity River, Humboldt Co) near its mouth); Northern Coast Ranges, along Willow Creek 152 Comment
  RSA0097053  Cardionema ramosissimum R. F. Thorne, Percy C. Everett 1965-8-5 35155 Humboldt Samoa Dunes. 3 Comment
  HSC100466  Carex Carl C. Marshall May 1886 207 Humboldt Tilley's Place. Comment
  RSA286355  Carex aquatilis var. dives Robert F. Thorne 1974-7-29 45076 Humboldt Samoa Dunes: Between Humboldt Bay and Pacific Ocean. Comment
  POM160305  Carex arcta Joseph P. Tracy 1926-7-5 7723 Humboldt Near the Redwood House, on the road to head of Yager 610 Comment
  POM273208  Carex barbarae Henry M. Pollard s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC19434  Carex bolanderi Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain Trail. 1371 Comment
  CHSC102499  Carex bolanderi Peter Zika 2009-6-16 24502 Humboldt Outer North Coast Range. West shore of Trinity River, near boat ramp, N end of town of Willow Creek. 120 Comment
  HSC63873  Carex bolanderi M. A. Baker 1979-6-29 962 Humboldt Hopkins Creek 750 Comment
  HSC74641  Carex bolanderi M. A. Baker 1980-5-18 1359 Humboldt Near Black Mtn. 792 Comment
  JEPS109248  Carex bolanderi D. W. Taylor 2007-7-11 20160 Humboldt Six Rivers National Forest, White Oak Opening, along Forest Hwy 1. Comment
  SEINET7552597 Image available Carex bolanderi L. P. Janeway 2003-7-30 7947 Humboldt High North Coast Ranges. Small spring and seep 100 m southwest of Clear Lake, 3.1 km southeast of Titlow Hill. 1494 Comment
  UC562277  Carex bolanderi Joseph P. Tracy 1935-7-23 14162 Humboldt Trinity Summit, lower end of Brett Hole 1584 Comment
  HSC44056  Carex bolanderi Thomas W. Nelson, Jane P. Nelson 1977-7-1 3552 Humboldt Along Blanket Creek 1494 Comment
  HSC63135  Carex bolanderi M. A. Baker 1979-6-29 967 Humboldt Comment
  CAS-BOT-BC34983  Carex densa S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3443 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  SEINET10823148  Carex echinata Pykala 1987-6-11 PYKALA 1611 Humboldt North Trinity Mountain Wilderness, W of Crogan Hole, Abies concolor-forest, open springy mountainmeadow by a little stream, surrounded by Alnus-thickets. 1554 Comment
  UC1103126  Carex echinata Joseph P. Tracy 1936-7-5 15044 Humboldt in meadow at Clear Lake North Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC19862  Carex echinata subsp. echinata Joseph Prince Tracy 1932-7-14 10567 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  CAS-BOT-BC19962  Carex exsiccata Mrs. H. C. Cantelow 1936-5-18 s.n. Humboldt 8 miles NE of Orick. Comment
  HSC76841  Carex exsiccata L. P. Janeway 1982-8-7 115 Humboldt Dry Lagoon 3 Comment
  JEPS79841  Carex fracta Joseph P. Tracy 1937-7-25 15542 Humboldt Trinity Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  HSC98938  Carex fracta Cara Witte 2007-6-28 389 Humboldt Friday Ridge Road/ 6N08. 1389 Comment
  UC303017  Carex geyeri Joseph P. Tracy 1926-6-20 7639 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  CAS-BOT-BC20877  Carex globosa Harold Ernest Parks; Joseph Prince Tracy 1942-5-16 11556 Humboldt Vicinity of Garberville. 152 Comment
  UC1103063  Carex globosa Joseph P. Tracy 1932-5-1 9852 Humboldt 3 mi n Garberville; North Coast Ranges, Redway 182 Comment
  CAS-BOT-BC20462  Carex harfordii Joseph Prince Tracy 1936-6-5 14858 Humboldt Fickle Hill. 6 miles SE of Arcata. 579 Comment
  SEINET8068029 Image available Carex harfordii A. L. Hipp 1999-1 438 Humboldt Phillipsville-Edge of 101 (Redwood Hwy), big E-turn just S. of the Miranda exit. Comment
  SEINET10650834  Carex hendersonii Joseph W. Congdon 1904-7-24 Congdon s.n. Humboldt Mariposa. Arcata. Comment
  HSC44527  Carex hoodii Brad Klipfel 1973-7-1 135 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC75762  Carex hoodii Denis Kearns 1981-7-22 318 Humboldt Near Whiteys Peak 1487 Comment
  CAS-BOT-BC31463  Carex leptopoda Joseph Prince Tracy 1943-7-18 17442 Humboldt Big Lagoon 9 Comment
  CAS-BOT-BC31469  Carex leptopoda Charles Vancouver Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC93773  Carex lyngbyei Gordon Leppig 1996-5-17 333 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary, Butcher Slough, E side about 20 m N of Interpretive Center Parking lot, just W of South I St. 1 Comment
  UC249751  Carex mendocinensis Joseph P. Tracy 1924-6-15 6697 Humboldt Northern Coast Ranges. Near Ruby Creek, on the Willow Creek highway. Comment
  UC562725  Carex mendocinensis Joseph P. Tracy 1935-7-14 14086 Humboldt North Coast Ranges. Grouse Mountain. Comment
  CAS-BOT-BC32130  Carex multicaulis Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  UC1116265  Carex multicaulis Joseph P. Tracy 1942-6-2 17105 Humboldt Valley of South Yager Creek 762 Comment
  RSA167282  Carex multicostata Joseph P. Tracy 1950-7-25 19064 Humboldt South Fork Mountain. Openings in fir forest near McKay camp. 1677 Comment
  CHSC40167  Carex nudata L. P. Janeway 1984-4-20 732 Humboldt Levee on east side of Eel River near Fortuna at Sandy Prairie Road. 12 Comment
  SEINET10850491  Carex nudata Harley P. Chandler Chandler 1235 Humboldt Redwood Belt. Comment
  CAS-BOT-BC119379  Carex obnupta Charles Vancouver Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC7068  Carex obnupta R. E. Hafenfeld 1965-5-9 18 Humboldt Near mouth of Squashan Creek Comment
  SEINET7569469 Image available Carex obnupta David Castaner 1989-6-19 10249 Humboldt Fern Canyon. Comment
  HSC76793  Carex pachystachya L. P. Janeway 1982-6-20 17 Humboldt Along Titlow Hill Rd., 3 mi. from Hwy. 299 1220 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
  UC2015859  Carex pellita Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4346 Humboldt Coast Range, Burr Valley area. 'False Burr Valley', beside Burr Creek. Comment
  UC1103585  Carex serratodens Joseph P. Tracy 1925-5-30 7049 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  CHSC102860  Carex subbracteata Peter F. Zika 2009-6-16 24500 Humboldt Outer North Coast Range. Above Route 299, 0.7 road miles W of Berry Summit. 780 Comment
  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
  SEINET4290245 Image available Carex subbracteata Unknown 2009-1 24497 Humboldt Outer North Coast Range (NCoRo), between Lord-Ellis and Berry summits. Above Chezen Road, at junction with Route 299. Comment
  UC562559  Carex subfusca Joseph P. Tracy 1935-6-23 13984 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  UC562638  Carex subfusca Joseph P. Tracy 1936-6-17 14954 Humboldt lower foothills of nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  UC1561802  Carex tumulicola Barbara Ertter with Thomas J. Delendick 1987-5-16 6926 Humboldt ca. 15 air mi e Arcata (on n side of road, Vista Point just w of Berry Summit on Hwy. 299) 914 Comment
  UC8083  Carex tumulicola Harley P. Chandler June 1901 1416 Humboldt Klamath River North Coast Ranges 335 Comment
  UC1103081  Carex unilateralis Joseph P. Tracy 1938-6-15 15932 Humboldt Fortuna 30 Comment
  JEPS100923  Carex vesicaria var. major Dean W. Taylor 1991-8-15 12278 Humboldt Snow Camp Lake 1310 Comment
  UC562328  Carex vesicaria var. major Joseph P. Tracy 1931-5-17 9423 Humboldt opposite mouth Willow Creek (Lack Pond); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC7087  Carex viridula H. E. Parks Sep 1934 5214 Humboldt Dry Lagoon Comment
  SBBG57215  Carex viridula H. E. Parks -Sep-1935 5214 Humboldt center of Dry Lagoon, S of Orick Comment
  UC1056035  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt Dry Lagoon 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
  RSA12515  Castanopsis Carl B. Wolf 1934-7-3 5921 Humboldt 6 mi. from Martin's Ferry on Orick Rd. 305 Comment
  HSC20579  Castilleja affinis subsp. litoralis D. J. Jager 1965-5-12 67 Humboldt 0.5 mi. N of Trinidad on bluff above the ocean 46 Comment
  HSC79475  Castilleja affinis subsp. litoralis Kenneth Clark 1980-4-18 588 Humboldt Dead Man's Gulch 12 Comment
  JEPS35843  Castilleja affinis subsp. litoralis Rimo Bacigalupi, and L. R. Heckard 8989 Humboldt just n Table Bluff lighthouse (s end of Humboldt Bay); Humboldt Bay Comment
  JEPS57402  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1968-7-4 1978 Humboldt 2 mi sw Orick (along Highway 101, at n end of Freshwater Lagoon); Freshwater Lagoon Comment
  JEPS93136  Castilleja affinis subsp. litoralis M. Wetherwax 1992-5-20 2433 Humboldt nw of Loleta (Table Bluff, s end of Humboldt Spit into Humboldt Bay, bluff between road to Loleta and beach); Table Bluff 30 Comment
  UC147876  Castilleja affinis subsp. litoralis J. P. Tracy 1900-6-25 864 Humboldt immediate vicinity Eureka 0 Comment
  CDA41234  Castilleja affinis subsp. litoralis L. R. Heckard 1960-8-23 1210 Humboldt About 0.5 mile south of Dry Lagoon State park (near Orick). Comment
  HSC37966  Castilleja ambigua subsp. humboldtiensis Peter Sorensen 1976-6-16 Humboldt Woodley Island. Comment
  JEPS76823  Castilleja ambigua subsp. humboldtiensis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4804 Humboldt about 1.2 mi n Eureka bridge (Samoa peninsula); Samoa peninsula Comment
  JEPS76824  Castilleja ambigua subsp. humboldtiensis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4804 Humboldt about 1.2 mi n Eureka bridge (Samoa peninsula); Samoa peninsula Comment
  UC604629  Castilleja ambigua subsp. humboldtiensis Joseph P. Tracy 1938-7-15 16068 Humboldt Mouth of Eel River 3 Comment
  RSA132832  Castilleja applegatei subsp. pinetorum Peter H. Raven, Sidney R. Snow 1958-7-20 13636 Humboldt 2 miles south of jct. of Friday Ridge Road on Titlow Hill Road, near Grouse Mountain Comment
  UC1222836  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1951-6-26 19587 Humboldt n side Board Camp Mountain (at extreme head of Redwood Creek); Redwood Creek 1541 Comment
  HSC56116  Castilleja arachnoidea Gilbert Muth 1979-8-1 11889 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  SEINET13737390  Castilleja attenuata J. P. Tracy 1911-5-30 3198 Humboldt Eureka. Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  UC582569  Castilleja attenuata Joseph P. Tracy 1932-5-1 9887 Humboldt vicinity Garberville 121 Comment
  JEPS15207  Castilleja exserta subsp. exserta R. Stahelin 1933-5-15 Humboldt Freshwater Eureka Quad. Comment
  JEPS76825  Castilleja exserta subsp. latifolia L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4805 Humboldt beach at Manila Manila; Samoa Peninsula, beach at Manila Comment
  HSC20582  Castilleja pruinosa P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  HSC71608  Castilleja pruinosa Gail Newton 1980-6-16 198 Humboldt Near Onion Mtn. 1280 Comment
  HSC98020  Castilleja pruinosa Cara Witte 2007-7-11 513 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  JEPS13340  Castilleja rubicundula subsp. lithospermoides Parks and Tracy 1930-5-25 796 Humboldt Laribee Valley 792 Comment
  JEPS25752  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1908-6 2849 Humboldt opposite Buck Mountain (valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC535100  Castilleja rubicundula subsp. lithospermoides Parks and Tracy 1930-5-25 796 Humboldt vicinity Bridgeville; Laribee Valley Comment
  HSC44349  Ceanothus arcuatus Brad Klipfel 1975-7-11 695 Humboldt Horse Mtn. Comment
  UCR141621  Ceanothus arcuatus J. M. Tucker 1948-9-3 1852 Humboldt Six Rivers National Forest (formerly part of Trinity National Forest) on Horse Mountain at junction of road to Grouse Mt. and road to Horse Mt. Mine 1463 Comment
  HSC37051  Ceanothus incanus R. Sutherland 1975-5-8 4 .8575 Humboldt Wilder Ridge, near county rd. 8 mi SE of Honeydew, 8 mi W of Mattole River, bridge at Ettersburg Comment
  HSC60192  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8055 Humboldt Rd to Shelter Cove, 0.7 mi W of junction with Honeydew Rd. Comment
  RSA0050338  Ceanothus incanus Carl B. Wolf 1941-3-3 9992 Humboldt N. Coast Range, 1/2 miles N of Ettersburg on road to Honeydew. 305 Comment
  HSC48784  Ceanothus integerrimus Brad Klipfel 1975-6-17 662 Humboldt Along Titlow Hill Rd. Comment
  HSC60024  Ceanothus integerrimus M. A. Baker 1978-5-6 474 Humboldt Bald Hills Rd., between Klamath River and French Camp Rd. Comment
  CAS-BOT-BC51225  Ceanothus parryi C. Hart Merriam 1925-5-25 s.n. Humboldt Highway, South Fork Eel River Comment
  SBBG68534  Ceanothus parryi L. Rowntree -Jul-1931 Humboldt Ettersburg Comment
  UC1052837  Ceanothus parryi W. L. Colwell 1955-6-7 27 Humboldt Tree miles west of Weott, one half mile norht of Grasshopper Mountain lookout 914 Comment
  BLMAR660  Ceanothus thyrsiflorus Andrew Maguire 2012-5-21 660 Humboldt King range, Smith-Etter road 320 Comment
  CAS-BOT-BC52216  Ceanothus thyrsiflorus Doris K. Kildale 1926-4-11 1753 Humboldt Blue Slide in the Van Duzen River Comment
  CAS-BOT-BC52954  Ceanothus thyrsiflorus Doris K. Kildale 1927-5-14 3289 Humboldt Big Lagoon - coast terrace Comment
  HSC100906  Ceanothus thyrsiflorus Carl C. Marshall Apr 1885 16 Humboldt Vicinity Humboldt Bay everywhere. Comment
  HSC47489  Ceanothus thyrsiflorus Sheila Logan 1978-4-7 11 Humboldt 0.5 mi E of McKinleyville on Murray Rd. Comment
  HSC55641  Ceanothus velutinus var. velutinus Overton, Butler 1979-7-24 9697 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  SEINET200850  Centaurea calcitrapa J. P. Tracy 1940-10-17 16760 Humboldt South Fork Station near Dyerville 46 Comment
  HSC100711  Centaurea melitensis Carl C. Marshall Jun 1886 287 Humboldt Hooker's near Hoopa. Comment
  POM287427  Centaurium muehlenbergii Lyman Benson 1929-7-19 1899 Humboldt Weott Ranger Station. Comment
  POM318967  Centaurium muehlenbergii Patricia Wilder 1968-8-22 4430 Humboldt Bull Creek Flat, Humboldt Redwoods State Park, north of Weott and west of U. S. 101; Coast Ranges, South Fork of Eel River drainage area. 61 Comment
  CDA38373  Centaurium tenuiflorum E. C. Whitney 1976-9-7 s.n. Humboldt Loleta. 0 Comment
  HSC104291  Cephalanthera austiniae Samantha E. Andres 2016-5-6 23 Humboldt About 4 mi. W on Mattole Rd. from the South Fork/Honeydew exit, above Harper Creek 128 Comment
  HSC48979  Cephalanthera austiniae Rudolf W. Becking 1979-7-15 Humboldt Fish Lake 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
  HSC63884  Cephalanthera austiniae M. A. Baker 1979-6-27 919 Humboldt Comment
  HSC98133  Cephalanthera austiniae Cara Witte 2007-6-27 372 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  CAS-BOT-BC384898  Cerastium arvense Doris K. Kildale 1927-5-15 3245 Humboldt Petrolia, Mattole River Comment
  UC465826  Cerastium arvense Harley P. Chandler June, 1901 1354 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Valley, Hupa Indian Reservation 152 Comment
  CAS-BOT-BC384998  Cerastium fontanum Carl B. Wolf 1927-8-22 797 Humboldt Big Lagoon Comment
  UCD98024  Cerastium glomeratum Linda M. Barker 1976-4-13 1381 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SD42481  Cerastium viride Carl B. Wolf 1937-6-18 8883 Humboldt Table Bluff, between Humboldt Bay and Eel River. Comment
  UC62197  Ceratophyllum demersum W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  UC582766  Chaenactis douglasii var. douglasii Joseph P. Tracy 1935-7-30 14357 Humboldt Salmon Summit 1767 Comment
  RSA13571  Chamaecyparis lawsoniana Joseph P. Tracy 1927-3-27 7864 Humboldt Willow Creek Canyon 762 Comment
  UCSB24022  Chamaecyparis lawsoniana Howe, J. 1938-3-30 Humboldt Humboldt Co., California Comment
  HSC40253  Chamerion angustifolium subsp. circumvagum Linda M. Barker 1976-8-24 1682 Humboldt 3 mi. W of Arcata Comment
  HSC54691  Cheilanthes gracillima Overton, Butler 1979-7-26 9988 Humboldt Near Willow Creek 1341 Comment
  HSC74806  Cheilanthes gracillima Gail Newton 1980-7-23 1717 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC82123  Cheilanthes gracillima Thomas W. Nelson 1979-7-11 4997 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC100932  Cheilanthes gracillima Miss Handy Jun 1886 337 Humboldt Rocks near Maple Cr. Comment
  RSA44502  Chenopodium ambrosioides var. ambrosioides H. M. Pollard 1947-8-31 s.n. Humboldt Klamath River near Wilson Creek, Orleans region. Comment
  UCD98340  Chenopodium murale Joseph P. Tracy 1948-1-11 17949 Humboldt Eureka. 30 Comment
  HSC76590  Chimaphila menziesii Denis Kearns 1981-7-24 448 Humboldt Near Whiteys Peak. 1768 Comment
  CAS-BOT-BC451387  Chimaphila menziesii T. Worley; M. Mill; F. Rosenthal 1985-5-10 56 Humboldt Horse Mountain Rd., approx. 8 miles S of Hwy. 299 1143 Comment
  HSC102564  Chimaphila umbellata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1551 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC29730  Chimaphila umbellata J. D. Ackerman, A. M. Montalvo 1973-6-29 68 Humboldt 2 mi. N of Manila Comment
  UCSB34195  Chloropyron maritimum subsp. palustre Kearns, Dennis 1979-8-24 Humboldt Spring Tide area of Arcata Bay, on edge of South end of "I" Street near the Arcata Boat Launching Facility Comment
  HSC8056  Chrysolepis chrysophylla Hilda W. Grinnell 1932-7-9 5 Humboldt Above Kerlin Creek, S. Fork Mtn. Comment
  RSA141592  Chrysolepis chrysophylla C. K. Clay 1960-11-11 24316 Humboldt Eureka. Comment
  RSA182008  Chrysolepis chrysophylla Joseph P. Tracy 1937-7-29 15583 Humboldt South Fork Mountain; along summit near Blake Lookout. 1707 Comment
  JEPS46614  Chrysolepis chrysophylla Rimo Bacigalupi Oct 1935 Humboldt Mad River; C.C.C. Camp Comment
  SD42299  Chrysolepis sempervirens Carl B. Wolf 1937-9-13 3089 Humboldt North Coast Range, Summit of Grouse Mountain. 1645 Comment
  UC667993  Chrysolepis sempervirens Joseph P. Tracy 1937-7-29 15583 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UCD127284  Cicuta douglasii R. V. Parke; J. M. Tucker 1953-5-30 2652 Humboldt near mouth of Salmon Creek, east side of Highway 101, around 8 miles south of Eureka. Comment
  HSC76203  Circaea alpina subsp. pacifica Overton, Butler 1979-8-2 12511 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  CDA20043  Cirsium arvense E. Finley 2002-8-8 PDR 1035509 Humboldt Northwestern California; 0.7 mi S of Del Norte county on Hwy 101 between MM 136.36 and MM 136.38. 0 Comment
  UC582530  Cirsium arvense Joseph P. Tracy 1933-8-13 12963 Humboldt Arcata Bottom 15 Comment
  CAS-BOT-BC284438  Cirsium brevistylum Henry M. Pollard 1948-8-9 s.n. Humboldt Camp Creek near Orleans Comment
  CAS-BOT-BC284441  Cirsium brevistylum L. R. Abrams 1927-9-1 12062 Humboldt Big Lagoon Comment
  UC1199256  Cirsium remotifolium Joseph P. Tracy 1921-7-10 5851 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  SEINET11833946  Cirsium remotifolium J. P. Tracy 1947-1 17711 Humboldt Carlotta, by old Strong's District School House, 5 mi E of town 61 Comment
  UC1119201  Cirsium vulgare H. L. Person 1931-7-30 Humboldt Fieldbrook Eureka Quadrangle, Fieldbrook Comment
  UC668237  Clarkia amoena subsp. amoena Joseph P. Tracy 1938-6-17 15957 Humboldt s of point Cape Mendocino (near ocean shore) 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
  CAS-BOT-BC163504  Clarkia amoena subsp. huntiana J. H. Thomas 1949-6-12 898 Humboldt At entrance to Six Rivers National Forest between Martins Ferry and Orleans Comment
  RSA12447  Clarkia amoena subsp. huntiana Carl B. Wolf 1934-7-1 5846 Humboldt Along Eel River and Redwood Highway, 1.2 mi. S of F. K. Lane Grove. 61 Comment
  UC1537616  Clarkia concinna subsp. concinna Gordon H. True Jr. 1936-5-11 455 Humboldt w Miranda; Salmon Creek 457 Comment
  UC562522  Clarkia concinna subsp. concinna Joseph P. Tracy 1936-6-10 14927 Humboldt mountain slopes w of mouth South Fork Trinity River 457 Comment
  HSC37508  Clarkia gracilis J. D. Ackerman, A. M. Montalvo 1975-6-22 487 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  UC594153  Clarkia gracilis subsp. gracilis S. K. Harris, J. P. Tracy 1936-6-10 3261 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  RSA0060033  Clarkia gracilis subsp. sonomensis Harlan Lewis, M. Lewis 1947-6-13 423 Humboldt Highway 36 at South Fork of Van Duzen River (Bridge 4-119) Comment
  CAS-BOT-BC172512  Clarkia purpurea subsp. quadrivulnera Mrs. H. C. Cantelow 1940-7-6 4034 Humboldt Near Dinsmore's Comment
  UC1196976  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1936-6-9 14898 Humboldt 4 mi nw Petrolia (Domingo Hill) 213 Comment
  JEPS43680  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  HSC41647  Clarkia rhomboidea Thomas W. Nelson, Jane P. Nelson 1977-7-1 3572 Humboldt Along road 2S08 below Goat Hill 1524 Comment
  UC494115  Claytonia exigua subsp. glauca H. E. Parks and J. P. Tracy 1930-5-26 878 Humboldt Laribee Valley Comment
  HSC96213  Claytonia exigua subsp. glauca M. Lindquist, C. Riley 2005-6-15 12 Humboldt 1490 Comment
  UCD100848  Claytonia rubra subsp. depressa Linda M. Barker 1976-4-13 1378 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC183593  Claytonia rubra subsp. depressa Joseph P. Tracy 1913-3-23 4027 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  HSC97140  Claytonia rubra subsp. rubra K. Auker, R. Battleson 2007-6-4 2 Humboldt Cold Spring Camp, 7.4 mi. S of Hwy. 299 on FS Rd. NF1 1372 Comment
  HSC71826  Claytonia saxosa Thomas W. Nelson, Jane P. Nelson 1980-6-27 5957 Humboldt Saddle between Mt. Lassic and peak to E 1677 Comment
  CAS-BOT-BC443895  Claytonia sibirica Harley P. Chandler 1901-5-1 1264 Humboldt North Coast Ranges. Redwood Belt 152 Comment
  HSC100606  Claytonia sibirica Carl C. Marshall Mar 1886 150 Humboldt Everywhere. Comment
  HSC101994  Claytonia sibirica M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 893 Humboldt Patterson Meadows 1566 Comment
  HSC64323  Claytonia sibirica J. P. Smith, J. O. Sawyer 1973-5-12 6686 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC95732  Claytonia sibirica Steven Lee 2004-4-13 17 Humboldt Arcata Community Forest, along Jolly Giant Creek Rd. Comment
  SD88533  Claytonia sibirica Darley F. Howe 1972-5-7 Humboldt Trinidad Comment
  SEINET198592  Claytonia sibirica H. E. Parks 01421 Humboldt Spruce Cove Trinidad Comment
  HSC4886  Claytonia sibirica J. O. Sawyer 1968-9-11 732 Humboldt Along Mill Creel 1524 Comment
  UC183773  Clematis ligusticifolia Joseph P. Tracy 1912-8-4 3980 Humboldt near Hydesville (on Yager Creek); Northern Coast Region, Yager Creek 60 Comment
  HSC102559  Clintonia uniflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1547 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC30059  Clintonia uniflora Joseph Burtt Davy 1899-6-19 5656 Humboldt Hoopa Mountain Comment
  BLMAR639  Collinsia grandiflora Jennifer Wheeler 2011-6-21 639 Humboldt Lacks Creek, Pine Ridge Road 1158 Comment
  HSC75449  Collinsia grandiflora J. O. Sawyer 1980-7-18 3583 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  RSA127485  Collinsia grandiflora Milo S. Baker 1946-6-15 11481 Humboldt Horse Mt. Road at Ski Lodge. 1220 Comment
  JEPS25057  Collinsia heterophylla Joseph P. Tracy 1927-5-8 7988 Humboldt Vicinity of Garberville 121 Comment
  HSC73177  Collinsia linearis M. A. Baker 1980-5-18 1335 Humboldt Near Black Mtn. 792 Comment
  UC582452  Collinsia linearis Joseph P. Tracy 1932-7-12 10439 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  HSC97222  Collinsia linearis Kiera A. Freeman, Heather J. Perry 2007-6-11 3 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1372 Comment
  HSC96206  Collinsia parviflora J. McIntire, S. Lyon 2005-6-8 4 Humboldt Cold Springs Camp, 7.4 mi. S of Hwy. 299 on F.S. Rd. NF1 1402 Comment
  HSC31203  Collinsia rattanii D. E. Anderson 1972-6-20 5744 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC582445  Collinsia torreyi var. wrightii Joseph P. Tracy 1930-7-17 9014 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  JEPS13366  Collinsia torreyi var. wrightii W. K. Parks Jul 1933 1365 Humboldt South Fork Mt Comment
  JEPS7056  Collinsia torreyi var. wrightii Joseph P. Tracy 1933-7-16 12777 Humboldt near McKay Camp; South Fork Mtn 1676 Comment
  UC60868  Collomia grandiflora Harley P. Chandler June, 1901 1361 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC73667  Collomia heterophylla M. A. Baker 1980-7-15 2963 Humboldt Near Whiting Ridge. 1341 Comment
  SEINET3479162  Collomia heterophylla S. K. Harris 1942-6-12 Humboldt East of Birds Nest (added later by Bill Schmidt), East of Birds Nest (added later by Bill Schmidt), 4 miles east, Fickle Hill Road to Boynton Prairie Comment
  SEINET7963087 Image available Collomia heterophylla S. K. Harris 1942-1 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E 600 Comment
  HSC102590  Collomia tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1577 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC164847  Conyza canadensis Joseph P. Tracy 1911-7-9 3458 Humboldt near its mouth along Willow Creek; Northern Coast Ranges, Tributary of Trinity River, Willow Cr 182 Comment
  UC1199443  Conyza floribunda Joseph P. Tracy 1929-10-13 8679 Humboldt Carlotta 60 Comment
  HSC31444  Corallorhiza maculata D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5562 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC73776  Corallorhiza maculata M. A. Baker 1980-6-7 1768 Humboldt Near Brush Mtn. 1128 Comment
  HSC76613  Corallorhiza maculata Teresa Prendusi 1981-6-9 185 Humboldt Near Cedar Camp 1268 Comment
  JEPS64320  Corallorhiza mertensiana W. L. Jepson 1902-6-28 1948 Humboldt Berry's Ranch Redwood Creek (Hupa road) Comment
  HSC30139  Corallorhiza striata A. Montalvo, J. D. Ackerman 1974-4-14 171 Humboldt 100 m from intersection of Hwy. 299 along Chezem Rd., just W of Redwood Creek Comment
  JEPS79876  Corallorhiza striata Joseph P. Tracy 1918-5-28 4935 Humboldt on slope below High Prairie (near Redwood Creek); Northern Coast Ranges 609 Comment
  HSC90429  Cordylanthus maritimus subsp. palustris Jean Hanson 1980-6-22 98 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka: W side of dike on NW side of island. Comment
  POM21053  Cordylanthus pilosus subsp. pilosus L. R. Abrams 1916-7-22 6158 Humboldt Between Little and Big Van Druzen River - Eureka - Red Bluff Road. Comment
  OBI9572  Cordylanthus tenuis subsp. viscidus Carl B. Wolf 1937-8-13 9225 Humboldt North Coast Range, 8 mi E of Hoopa Valley on new road towards Trinity summit Comment
  UC1173700  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1939-8-16 16418 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC101151  Corethrogyne filaginifolia A. A. Heller 1924-7-23 13874 Humboldt along the highway at the mouth of Little River near Trinidad Comment
  UC1119247  Corethrogyne filaginifolia H. S. Yates 1968-6-16 5668 Humboldt 1.5 mi sw of Samoa; Eureka Quadrangle Comment
  RSA125370  Corethrogyne filaginifolia var. californica Peter H. Raven, R. Snow 1958-7-21 13658 Humboldt 2 miles north of Cape Mendocino Comment
  SD38604  Corethrogyne filaginifolia var. filaginifolia Edith A. Purer 1932-7-30 4675 Humboldt Sand dunes south of Oric. Comment
  UC314607  Cornus canadensis Joseph P. Tracy 1923-6-24 6356 Humboldt meadow near High Prairie (Bald Mt.); Northern Coast Ranges, Bald Mt. 1066 Comment
  CAS-BOT-BC212006  Cornus nuttallii Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC212011  Cornus nuttallii Doris K. Kildale 1926-3-28 1688 Humboldt Lord Ellis Road near Bald Mt. junction 609 Comment
  CAS-BOT-BC212017  Cornus nuttallii Doris K. Kildale 1925-4-1 s.n. Humboldt Hungry Hollow near Korbell Comment
  HSC65074  Cornus nuttallii J. P. Smith, Steve Selva 1970-6-14 3853 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC99585  Cornus nuttallii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 250 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  RSA15577  Cornus nuttallii C. B. Wolf 1927-8-28 1165 Humboldt In the valley of the Hoopa Indian Reservation. Comment
  RSA46900  Cornus nuttallii Doris K. Kildale 1925-8-13 1134 Humboldt Willow Creek, bank of Trinity River. 152 Comment
  UC634835  Cornus nuttallii H. L. Mason 1928-7-14 4897 Humboldt E. Fork Eel R. near Garberville; E. Fork Eel R. Comment
  HSC38434  Cornus sericea subsp. occidentalis J. P. Smith 1976-10-30 8999 Humboldt Mad River, E of Essex Ln. exit. Comment
  HSC58225  Cornus sericea subsp. sericea Walter Overton 1979-8-1 12368 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  JEPS50152  Cornus sericea subsp. sericea Lincoln Constance 1934-6-11 844 Humboldt trail along e. bank S. Fork Eel R., N. Dyerville Flat Bull Creek Region, S. Fork Eel R., N. Dyerville Flat Comment
  RSA186851  Cortaderia jubata T. C. Fuller 1966-10-4 15238 Humboldt 1100 acres, slope N above headquarters of Georgia Pacific Lumber Co. Comment
  UC535724  Corylus californica Eleanor Armstrong 1934-8-23 1137 Humboldt Richardson Grove, E slope 121 Comment
  BLMAR230  Corylus cornuta subsp. californica Jennifer Anthony-Wheeler 1996-9-26 230 Humboldt King range, growing alng Bear creek between Wailaka & Nadelos campgrounds 548 Comment
  CAS-BOT-BC180306  Corylus cornuta subsp. californica H. E. McMinn 1922-8-4 332 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC180311  Corylus cornuta subsp. californica L. B. Kildale 1926-3-26 1647 Humboldt near junction with highway, on old Fortuna road 15 Comment
  HSC3477  Corylus cornuta subsp. californica Curt M. Johnson 1966-3-11 117 Humboldt Along Bull Creek Rd. 6 mi. W of Weott 140 Comment
  HSC95923  Corylus cornuta subsp. californica Will Ferrand 2001-6-17 14 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  HSC104410  Corylus cornuta subsp. californica Adam N. Canter 2017-6-15 9 Humboldt Near Fields Landing; Humboldt Hill, Spring Street 100 Comment
  RSA729895  Cotoneaster simonsii Peter F. Zika 2007-7-19 23174 Humboldt Hookton Road, S end of Humboldt Bay, (NCo, North Coast). 10 Comment
  UC249807  Cotula australis Joseph P. Tracy 1923-5-19 6211 Humboldt vicinity Trinidad 30 Comment
  HSC5426  Cotula coronopifolia R. Spellenberg 1964-6-15 412 Humboldt Along egde of Humboldt Bay, on the south side of Arcata Comment
  HSC5429  Cotula coronopifolia Rollin Sparrowe 1962-4-28 4 Humboldt In sloughs N and S of road Comment
  HSC5432  Cotula coronopifolia D. E. Anderson 1961-9-2 1766 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  POM264509  Cotula coronopifolia H. E. Parks 1941-09 24211 Humboldt Little River State Park Comment
  CAS-BOT-BC291492  Crepis capillaris Alice Eastwood 1923-8-16 12327 Humboldt Carlotta Comment
  CAS-BOT-BC291486  Crepis capillaris H. E. Parks 1941-8-1 24189 Humboldt Vicinity of Trinidad Comment
  RSA43685  Crepis setosa H. M. Pollard 1947-8-21 s.n. Humboldt roadside between Orleans and Boyse Creek Comment
  SEINET10578683  Croton setiger Daniel K. Harder 1994-10-4 Harder 2495 Humboldt Ca. 6 km W/SW of Fort Seward along Fort Seward Road along middle ridge (near powerlines), collections from rock outcrops in cattle pasture with islands of redwoods and Umbellaria; near small spring in hillside. 570 Comment
  UC525607  Cryptantha affinis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8941 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC55910  Cryptantha flaccida J. P. Tracy 1903-5-22 1880 Humboldt Alder Point Bridge Eel River 152 Comment
  BLMAR607  Cryptantha leiocarpa Jennifer Wheeler 2011-4-1 607 Humboldt King range, growing throughout the Mattole Beach duns 0 Comment
  HSC73579  Cryptantha torreyana Gail Newton 1980-7-14 1479 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC59455  Cuscuta pacifica var. pacifica M. A. Ericksen 1979-5-18 302 Humboldt At edge of Humboldt Bay mud flats, 75 yards N of Arcata Redwood Company main gate, Hwy. 101 between Arcata and Eureka 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
  UC1409175  Cuscuta salina var. major Robert F. Thorne and P. Everett 1965-8-8 35280 Humboldt e of Hwy. 101 (n edge of Eureka); Eureka 3 Comment
  JEPS47121  Cuscuta suaveolens Joseph P. Tracy 1918-9-29 5113 Humboldt 2 mi above mouth of South Fork of Eel River (Myers Ranch); Northern Coast Ranges, South Fork of Eel River 60 Comment
  UCD60075  Cynodon dactylon Joseph P. Tracy 1948-8-22 18108 Humboldt Vicinity of Carlotta. 30 Comment
  SEINET200581  Cynoglossum grande J. P. Tracy 1901-4-26 1047 Humboldt Humboldt Hill 0 Comment
  UC1222262  Cynoglossum grande Joseph P. Tracy 1950-4-20 18617 Humboldt 2 mi. w. Dinsmore's (n.w. slope of Buck Mt.); Buck Mt. Comment
  UC1222258  Cynoglossum occidentale Joseph P. Tracy 1949-6-6 18302 Humboldt 6 mi. n.e. Hawkins Bar (Happy Camp Mt., Trinity Summit Rd.); Trinity Summit Range, Happy Camp Mt. 1280 Comment
  HSC45050  Cynosurus echinatus R. Sutherland 1978-4-24 3 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  POM364982  Cynosurus echinatus Jacqueline Greenleaf 1980-8-5 288 Humboldt Dairy Creek 294 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
  UC526896  Cynosurus echinatus Joseph P. Tracy 1933-6-11 12542 Humboldt near Miranda; Northern Coast Ranges, near Miranda 152 Comment
  CAS-BOT-BC114195  Cyperus strigosus Henry M. Pollard 1945-8-27 s.n. Humboldt Near Orleans, Pond near Harley place. Comment
  CSUSB1618  Cytisus monspessulanus Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC14670  Cytisus scoparius S. J. Hawks 1965-4-6 21 Humboldt Luffenholtz Beach Comment
  HSC97568  Dactylis glomerata Cara Witte 2007-6-7 220 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  HSC102635  Danthonia californica M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1620 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC58653  Danthonia californica G. L. Clifton, Griswold 1979-7-31 11723 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC718006  Danthonia californica David D. Keck 1944-7-11 5493 Humboldt 3 mi ne Capetown 152 Comment
  UC1056068  Danthonia californica var. americana J. I. Mallory 1955-6-7 112 Humboldt Luke Prairie Quad 29-B-3 (n end) 350 Comment
  UCD60699  Danthonia californica var. americana A. Murphy; R. Tofsrud 1947-5-20 31 Humboldt Baker Ranch, 10 mi. N of Bridgeville. Comment
  UCD61361  Danthonia unispicata R. Tofsrud 1948-9-3 Humboldt Road junction near summit of Horse Mt. 1463 Comment
  CAS-BOT-BC420361  Darmera peltata Volney Rattan 1882-1-1 s.n. Humboldt unspecified Comment
  UC183570  Darmera peltata Joseph P. Tracy 1913-6-11 4093 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  RSA43886  Daucus carota H. M. Pollard 1948-8-7 s.n. Humboldt Near Orleans Comment
  HSC33767  Daucus pusillus Ron Rahlston 1975-5-24 77 Humboldt Samoa Dunes off Samoa Blvd., across from boat landing Comment
  UC32464  Daucus pusillus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC78607  Daucus pusillus L. P. Janeway, Paul Wilson 1984-5-7 767 Humboldt N Spit of Humboldt Bay, just behind foredunes near 'Flag 1 3 Comment
  UC1197354  Daucus pusillus J. P. Tracy 1907-7-4 2579 Humboldt 1/2 mi. n. mouth of Little River Comment
  UCD127415  Daucus pusillus P. B. Kennedy 1928-7-15 s.n. Humboldt Sea Cliffe, near Trinidad. Comment
  UC201613  Delphinium decorum subsp. tracyi Joseph P. Tracy 1918-5-28 4941 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC36240  Delphinium decorum subsp. tracyi John Rehling 1975-5-12 71 Humboldt Bald Hills Area, 2 mi. up Williams Ridge Rd. Comment
  HSC96258  Delphinium decorum subsp. tracyi Kaylea Eickhoff, Cara M. Witte 2005-6-15 12 Humboldt 14.1 mi. S of Hwy. 299 on NF1, 0.25 mi. NE of Grouse Mtn. 1400 Comment
  CAS-BOT-BC10313  Delphinium hesperium LeRoy Abrams 1916-7-11 6000 Humboldt Between Blacksberg and Bridgeville Comment
  UC183707  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1912-6 3665 &3672 Humboldt Alton Northern Coast Region 30 Comment
  HSC25013  Delphinium nudicaule R. A. Rasp 1964-4-5 28 Humboldt 5 mi. N of Hoopa on Willow Creek Rd. Comment
  HSC45587  Delphinium nudicaule Diane L. Reed 1978-5-27 128 Humboldt Horse Mtn., on Titlow Hill Rd. 1.5 mi. from junction with Hwy. 299 Comment
  HSC38707  Delphinium nuttallianum J. P. Smith 1976-5-29 8818 Humboldt Horse Mtn. 1402 Comment
  CAS-BOT-BC121975  Delphinium trolliifolium Mrs. G Earle Kelly 1924-6-1 s.n. Humboldt Kneeland Prairie Comment
  HSC35350  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 489 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  CAS-BOT-BC194340  Deschampsia cespitosa subsp. beringensis Joseph P. Tracy 1934-7-20 13465 Humboldt Big Lagoon 6 Comment
  HSC98118  Deschampsia danthonioides Cara Witte 2007-6-21 328 Humboldt Along National Forest 1. 3/4 mile north of Brays Opening. Near Board Camp area. 1365 Comment
  HSC98875  Deschampsia danthonioides Cara Witte 2007-5-23 99 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1.5 miles south of intersection with 5N04 and 4N32E. 1402 Comment
  SEINET3927645  Deschampsia danthonioides Joseph P. Tracy 1950-6-25 18901 Humboldt West side of Buck Mt. 3 miles south of Burr Valley.; 0 1219 Comment
  HSC58666  Deschampsia elongata G. L. Clifton, Griswold 1979-8-1 12080 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  RSA10093  Deschampsia elongata Joseph P. Tracy 1933-7-25 12872 Humboldt Goose Mountain; along streamlet 1524 Comment
Read comments
Jul 26 2012
  UC526672  Deschampsia elongata Joseph P. Tracy 1932-7-17 10680 Humboldt ridges e. of Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  UC198594  Dicentra formosa Joseph P. Tracy 1917-5-13 4781 Humboldt Eureka; Northern Coast Ranges 0 Comment
  HSC8354  Dicentra formosa D. E. Anderson 1962-3-24 1948 Humboldt Along Turner Rd. Comment
  JEPS5677  Dichelostemma X venustum Milo S. Baker 138 a Humboldt South Fork of Yager Creek Comment
  HSC32320  Dichelostemma capitatum subsp. capitatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5654 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC48790  Dichelostemma capitatum subsp. capitatum Brad Klipfel 1975-6-17 664 Humboldt Along Titlow Hill Rd. Comment
  HSC48851  Dichelostemma ida-maia Brad Klipfel 1973-7-15 210 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 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
  CAS-BOT-BC501030  Dichelostemma ida-maia Alice Eastwood; John Thomas Howell 1937-6-22 4729 Humboldt Near Alder Point Comment
  HSC44728  Dichelostemma ida-maia Maralyn O'Meara 1972-6-8 79 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  RSA70148  Dichelostemma ida-maia F. W. Peirson 1926-7-12 7030 Humboldt W slope of Coast Range back of Orick. Comment
  CAS-BOT-BC500980  Dichelostemma multiflorum L. B. Kildale 1930-6-1 9752 Humboldt Klamath River at Bluff Creek Comment
  CAS-BOT-BC150338  Diplacus aurantiacus Doris K. Kildale 1927-5-15 3244 Humboldt Petrolia, back of Mattole River Comment
  CAS-BOT-BC150341  Diplacus aurantiacus E. C. Johnston 1931-8-1 s.n. Humboldt Klamath River to Arcata Comment
  CAS-BOT-BC150347  Diplacus aurantiacus Elmer I. Applegate 1923-9-12 3988 Humboldt Stone Lagoon, below Orick Comment
  RSA249498  Dipsacus fullonum R. F. Thorne, P. C. Everett 1965-8-9 35282 Humboldt 2.5 miles N of Arcata. 8 Comment
  UC535766  Disporum hookeri Eleanor Armstrong 1934-5-27 Humboldt Richardson Grove Comment
  UC30077  Disporum hookeri Harley P. Chandler May, 1901 1089 Humboldt North Coast Ranges 152 Comment
  UC562749  Dodecatheon alpinum Joseph P. Tracy 1932-7-14 10565 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  UC249505  Dodecatheon hendersonii Joseph P. Tracy 1922-4-30 5994 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  BLMAR622  Dodecatheon hendersonii Jennifer Wheeler 2011-6-1 622 Humboldt Lacks Creek, Pine Ridge Rd, entry to firewood cutting area 975 Comment
  RSA168808  Dodecatheon jeffreyi Joseph P. Tracy 1951-6-14 19406 Humboldt Snow Camp. 1402 Comment
  SEINET201054 Image available Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt Bald Mountain, near High Prarie. 1067 Comment
  UC1199496  Downingia elegans Joseph P. Tracy 1928-6-24 8475 Humboldt between Middle Yager Creek and North Yager Creek (East Ranch) 762 Comment
  HSC23462  Drosera rotundifolia Norman Dennis 1965-6-3 140 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  HSC103110  Drosera rotundifolia M. Mesler 2010-7-15 833 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  HSC59494  Drosera rotundifolia M. A. Ericksen 1979-4-21 213 Humboldt Big Lagoon County Beach, ca. 90 yards from the Rd. in center of bog. Comment
  HSC38525  Drymocallis glandulosa D. E. Anderson, J. P. Smith 1971-6-18 1071 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  UC1198688  Drymocallis lactea var. austiniae Joseph P. Tracy 1933-7-25 12841 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  HSC57624  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-7-25 10758 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC58089  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-1 11998 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  JEPS109584  Dulichium arundinaceum Dean W. Taylor 2002-9-12 18344 Humboldt Lake Prairie, remnant of the original bog vegetation on the eastern end of the lake 1097 Comment
  CAS-BOT-BC113642  Eleocharis acicularis Doris K. Kildale 1931-5-16 s.n. Humboldt Snow Camp Comment
  HSC44325  Eleocharis acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Margin of drying pond above Alder Springs 1585 Comment
  CAS-BOT-BC113110  Eleocharis obtusa LeRoy Abrams 1918-6-16 7158 Humboldt Willow creek. Comment
  CHSC96444  Eleocharis pachycarpa Gordon Leppig 1997-8-3 648 Humboldt Big Lagoon County Park, Big Lagoon Bog. UTM Zone 10 NAD 1927, 405321E 4557202N. 3 Comment
  UCSB34194  Eleocharis parvula Kearns, Dennis 1979-8-24 Humboldt Near the Arcata Boat Launching Facility at the South end of "I" Street Comment
  UC1541606  Elymus X hansenii Harold E. Parks and Joseph P. Tracy 1934-6-27 11049 Humboldt Horse Mountain 1280 Comment
  UCD61426  Elymus elymoides A. H. Murphy 1951-6-25 75 Humboldt About 1 mile west of Snow Camp Mtn. ca. 8 miles ene of Kneeland. Comment
  HSC40394  Elymus glaucus Thomas W. Nelson, Jane P. Nelson 1976-7-26 3036 Humboldt Along ridge NW of Lassic Peak. 1707 Comment
  UCD62266  Elymus glaucus August L. Hormay 1932-5-12 Humboldt Bull Creek Road. Comment
  UC1103475  Elymus glaucus subsp. virescens Joseph P. Tracy 1938-6-17 15959 Humboldt s point of Cape (near ocean shore); Cape Mendocino 3 Comment
  HSC63822  Elymus intermedius Dennis McKiver 1981-1-12 Humboldt 300 yds. SW of the Mad River Bridge on Hatchery Rd. in Blue Lake. Comment
  CAS-BOT-BC234110  Elymus multisetus Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek near Orleans Comment
  HSC73480  Elymus multisetus Gail Newton 1980-7-11 1327 Humboldt Near Red Mtn. 1341 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
  UC573853  Elymus multisetus H. S. Yates 1936-6-17 5722 Humboldt near Burr Valley; South Fork Pk. Quadrangle Comment
  UC1103473  Elymus trachycaulus Joseph P. Tracy 1936-7-10 15047 Humboldt Wilder's place Vicinity of Carlotta 30 Comment
  HSC8766  Elymus trachycaulus subsp. trachycaulus J. P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek 762 Comment
  HSC57372  Epilobium brachycarpum Overton, Butler 1979-7-26 10086 Humboldt Near Cold Spring, close to the town of Willow Creek 1408 Comment
  POM225535  Epilobium brachycarpum P. A. Munz 1936-8-10 14337 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  UC144087  Epilobium brachycarpum Joseph P. Tracy 1900-9-9 946 Humboldt gravel bar on creek Northern Coast Region, Yager Creek (near Hydesville) 60 Comment
  HSC16551  Epilobium canum subsp. latifolium D. E. Anderson 1963-9-21 2836 Humboldt 0.5 mi. E of Willow Creek Comment
  UC1197010  Epilobium ciliatum subsp. ciliatum J. P. Tracy 1909-9-19 3098 Humboldt opp. Eureka (ocean beach); Samoa Comment
  JEPS39330  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt 4 mi above river mouth (i.e., near Weott); Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC562507  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1933-8-30 13028 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  RSA22708  Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-07 24050 Humboldt Spruce Cove, Trinidad. 64 Comment
  HSC16349  Epilobium ciliatum subsp. watsonii W. F. Nickel 1965-5-8 Humboldt On HSU campus behind the Biological Science Building 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
  UC1222850  Epilobium hallianum Joseph P. Tracy 1950-7-6 19015 Humboldt 3 mi s Burr Valley (w side of mt.); Buck Mountain 1158 Comment
  UC505115  Epilobium hallianum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8977 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in meadow) 1676 Comment
  POM247176  Epilobium hornemannii subsp. hornemannii Joseph P. Tracy 1935-7-24 14183 Humboldt Trinity Summit, near ranger station 1829 Comment
  HSC98676  Epilobium hornemannii subsp. hornemannii Cara Witte 2007-6-21 324 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  HSC56949  Epilobium minutum Overton, Butler 1979-7-23 9447 Humboldt Near Horse Mtn., close to the town of Willow Creek 1295 Comment
  CAS-BOT-BC171828  Epilobium oreganum Joseph P. Tracy 1933-7-25 12835 Humboldt Grouse Mountain, North Coast Ranges 1524 Comment
  JEPS44027  Epilobium septentrionale W. L. Jepson 1924-9-19 10652 Humboldt river bed at Richardson Grove (S. Fork Eel R.); , Richardson Grove Comment
  UC1239785  Equisetum arvense Joseph P. Tracy 1949-6-25 18357 Humboldt Box Camp Meadow Trinity Summit 1463 Comment
  MACF015742  Equisetum hyemale var. robustum F. A. MacFadden 1935-6-22 13769 Humboldt River bank, near Wrott, Humboldt Co. California Comment
  HSC882  Equisetum telmateia subsp. braunii D. E. Anderson 1962-2-10 1920 Humboldt 1.5 mi. S of Trinidad Comment
  UC212872  Eragrostis hypnoides Joseph P. Tracy 1920-8-15 5367 Humboldt Klamath River mouth of Bluff Creek (at mouth of Bluff Creek); Northern Coast Ranges, , Bluff Creek 152 Comment
  UCD63880  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1950-9-22 19372 Humboldt Klamath River, near Slate Creek. Below Orleans 8 miles. 121 Comment
  HSC39978  Erechtites glomeratus Linda M. Barker 1976-7-5 1634 Humboldt 3 mi. W of Arcata. Comment
  CAS-BOT-BC299913  Erechtites minimus Carl B. Wolf 1927-8-22 769 Humboldt Big Lagoon Comment
  SD40100  Erechtites prenanthoides Edith A. Purer 1932-7-30 4684 Humboldt South of Orick Comment
  HSC27395  Eremocarpus setiger Thomas W. Nelson 1970-9-3 220 Humboldt Mad River. Comment
  CDA5472  Erica lusitanica T. C. Fuller 1961-3-22 5938 Humboldt North slope, Humboldt Hill, Eureka. 0 Comment
  JEPS41418  Erigeron biolettii W. L. Jepson 1932-8-6 16493 Humboldt Garberville Comment
  UC1223141  Erigeron foliosus var. confinis Joseph P. Tracy 1947-7-5 17785 Humboldt Ridge top, 1 mi w Mud Springs; Trinity Summit Comment
  UC774989  Erigeron foliosus var. confinis Carl B. Wolf 1937-8-13 9218 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit); North Coast Range 1219 Comment
  UC581721  Erigeron foliosus var. mendocinus Joseph P. Tracy 1931-5-17 9433 Humboldt near Willow Creek; Trinity River 152 Comment
  HSC5524  Erigeron glaucus J. W. Johnson 1961-8-17 1036 Humboldt Dune fields of W.M. Lanphere Farm, Samoa Peninsula Comment
  HSC66280  Erigeron maniopotamicus M. A. Baker 1980-6-28 2479 Humboldt Near Mad River Buttes 1445 Comment
  CAS-BOT-BC214588  Erigeron philadelphicus L. R. Abrams 1922-6-25 8225 Humboldt 6 mi north of Garberville Comment
  CAS-BOT-BC214583  Erigeron philadelphicus Doris K. Kildale 1926-5-31 2023 Humboldt Miranda on South Fork of Eel River Comment
  UCSB30600  Erigeron philadelphicus Edwards, David 1974-7-26 Humboldt Dirt road above E. bank of Mad River, at this junction with Puter Creek, ca. 2 mi. SW. of Korbel 27 Comment
  UCD132041  Erigeron philadelphicus var. philadelphicus P. B. Kennedy 1929-6-12 s.n. Humboldt Eureka. Comment
  UC1223010  Erigeron robustior Joseph P. Tracy 1942-7-4 17370 Humboldt lower foothills of its nw slope Buck Mountain 762 Comment
  UC87665  Erigeron strigosus var. strigosus Harley P. Chandler June 1901 1402 Humboldt Klamath River North Coast Ranges 243 Comment
  CAS-BOT-BC224258  Eriodictyon californicum Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Redcap Creek Comment
  HSC76606  Eriogonum compositum Teresa Prendusi 1981-7-21 280 Humboldt Near Whiteys Peak 1646 Comment
  POM188142  Eriogonum latifolium Marcus E. Jones 1931-7-12 28806 Humboldt Alton. Comment
  UC1198149  Eriogonum latifolium Joseph P. Tracy 1933-8-25 12998 Humboldt Centerville 6 Comment
  UC6344  Eriogonum latifolium H. N. Bolander 1866-1 6569 Humboldt Shelter Cove Comment
  UC727179  Eriogonum latifolium A. A. Heller 1924-7-22 13873 Humboldt Samoa Comment
Read comments
Sep 29 2006
  UCSB1454  Eriogonum latifolium Parks, H. 1941-08 Humboldt Little River Comment
  UC479200  Eriogonum luteolum var. luteolum Marcus E. Jones, A. M. 1931-7-16 28862 Humboldt Junction e Arcata Comment
  HSC99071  Eriogonum nudum var. nudum Cara Witte 2007-7-9 467 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  SEINET11938122  Eriogonum nudum var. nudum H. P. Chandler 1901-1 1491 Humboldt Klamath River 305 Comment
  CAS-BOT-BC269867  Eriogonum nudum var. pubiflorum Henry M. Pollard 1948-7-26 s.n. Humboldt Near mouth of Camp Creek - near Orleans Comment
  HSC40826  Eriogonum strictum var. greenei Thomas W. Nelson, James Nelson 1976-7-26 3041 Humboldt Middle pk. of Mt. Lassic group 1738 Comment
  HSC54720  Eriogonum umbellatum Overton, Butler 1979-7-26 10095 Humboldt Near Cold Spring, close to the town of Willow Creek 1417 Comment
  CAS-BOT-BC267969  Eriogonum umbellatum var. argus Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  UC55394  Eriogonum umbellatum var. dumosum P. E. Goddard 1901-7-10 55 Humboldt Hupa Comment
  CAS-BOT-BC444000  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8346 Humboldt Along U.S. Forest Service Road 1 northwest of Grouse Mountain at milepost 14.3, about 10.3 air miles southwest of Sayler 1371 Comment
  UC412902  Eriogonum umbellatum var. nelsoniorum P. E. Goddard 1906-6 657 Humboldt Lasseck Pk. Comment
  HSC74215  Eriogonum umbellatum var. polyanthum M. A. Baker 1980-7-15 2969 Humboldt Near Whiting Ridge. 1341 Comment
  RSA21320  Eriogonum umbellatum var. polyanthum Carl B. Wolf 1937-8-13 9221 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC36636  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1906 Humboldt End of road to Pine Mtn. Comment
  HSC44132  Eriophyllum lanatum var. achilleoides Thomas W. Nelson, Jane P. Nelson 1977-7-4 3586 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  HSC5605  Eriophyllum lanatum var. achilleoides Lincoln Constance, R. C. Rollins 1942-5-12 2886 Humboldt Mouth of Bluff Creek, 6 miles NE of Weitchpec 152 Comment
  HSC56464  Eriophyllum lanatum var. achilleoides Griswold, Butler 1979-7-12 7262 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC581690  Eriophyllum lanatum var. achilleoides Harold E. Parks and Joseph P. Tracy 1934-6-27 11063 Humboldt Grouse Mt. 1432 Comment
  JEPS17991  Eriophyllum lanatum var. achilleoides George B. Rossbach 1955-6-10 533 Humboldt 2 mi no of Stephens Redwood Grove (Route 101 along s fork of Eel River, in redwood forest area); South fork of Eel River Comment
  UC582677  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1936-6-10 14929 Humboldt mountain slopes w of mouth South Fork Trinity River 457 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
  UC1718077  Eriophyllum lanatum var. lanceolatum John S. Mooring 1970-7-7 2497 Humboldt along and near hwy 96, 0.5 miles N of confluence of Slate Creek and Klamath River Comment
  SEINET11850778  Eriophyllum lanatum var. lanceolatum H. P. Chandler 1901-1 1403 Humboldt Klamath River, North Coast Ranges 244 Comment
  UC727166  Eriophyllum staechadifolium A. A. Heller 1924-7-23 13878 Humboldt between Little River and Trinidad Comment
Read comments
Sep 29 2006
  HSC45085  Erysimum capitatum var. capitatum R. Sutherland 1978-4-23 16 .23478 Humboldt Kinsey (Fraser) Ridge near head 732 Comment
  HSC57666  Erysimum capitatum var. capitatum G. L. Clifton, Terry Griswold 1979-7-25 10849 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC54909  Erysimum menziesii G. B. Rossbach 1955-6-10 596 Humboldt Depression in coastal dunes near Humboldt Bay lighthouse between Fairhaven and end of Sandy point off Eureka. Comment
  CAS-BOT-BC54919  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt Ocean Beach at Humboldt Bay. Comment
  HSC6782  Erysimum menziesii J. W. Johnson 1962-3-9 1183 Humboldt Samoa Peninsula, on ridges as dune end of trail through Hunt Farm. Comment
  JEPS53584  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt sand dunes of ocean beach Northern Coast Region, Humboldt Bay Comment
  SEINET14045946 Image available Erythranthe guttata Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-1 15260 Humboldt Clam Beach, 15 miles North Eureka. Comment
  UC1197644  Erythronium californicum Joseph P. Tracy 1913-6-17 4184 Humboldt near summit; Northern Coast Ranges, Buck Mountain 1676 Comment
  UC275550  Erythronium californicum Joseph P. Tracy 1924-4-27 6639 Humboldt on hwy near Ruby Creek; Northern Coast Ranges, Willow Creek 609 Comment
  CAS-BOT-BC502714  Erythronium grandiflorum Joseph P. Tracy 1933-7-16 12774 Humboldt Opening in Fir forest near McKay Camp, South Fork Mtn. 1676 Comment
  RSA46693  Erythronium grandiflorum subsp. grandiflorum Doris K. Kildale 1938-6-5 15392 Humboldt Horse Mountain Comment
  HSC96197  Erythronium grandiflorum subsp. grandiflorum Jennifer Lumbert, James Robinson 2005-6-15 14 Humboldt NE of Grouse Mtn. 1490 Comment
  HSC44870  Erythronium oregonum subsp. leucandrum J. P. Smith, J. O. Sawyer 1973-5-12 6695 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC97441  Eschscholzia californica Ivy Watson 2008-10-5 45 Humboldt Blue Lake, 500 m upstream of the Hatchery Rd. bridge. 22 Comment
  HSC59103  Eucalyptus globulus Clark L. Miller 1979-5-24 9157 Humboldt Along Hwy. 101 ca. 100 yards from Murray Rd. off-ramp. Comment
  UC581737  Eucephalus ledophyllus Joseph P. Tracy 1932-7-15 10601 Humboldt ridges e of Corral Prairie; Trinity Summit 1828 Comment
  UC1222990  Eucephalus tomentellus Joseph P. Tracy 1941-8-24 17043 Humboldt near, (openings in fir forest) McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC310495  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  POM358934  Euchiton sphaericus H. M. Pollard 1948-7-27 s.n. Humboldt Near mouth of Red Cap Creek, near Orleans Comment
  SEINET8222401  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta. 30 Comment
  CAS-BOT-BC206913  Euonymus occidentalis C. Hart Merriam 1922-7-5 s.n. Humboldt Carson Woods, Fortuna Comment
  HSC102563  Euonymus occidentalis var. occidentalis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1550 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC668181  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1935-5-24 13823 Humboldt woods 3 mi. s.e. of business district Eureka 91 Comment
Read comments
May 24 2013
  HSC31736  Euphorbia peplus Donald Spalinger 1974-4-20 16 Humboldt Across from 1756 Ridgewood Dr. 122 Comment
  HSC102649  Festuca californica J. P. Smith 2009-5-31 12610 Humboldt Bald Hills Road. 963 Comment
  SEINET260371 Image available Festuca californica R. Spellenberg 1992-7-10 10246 Humboldt E edge county 8 mi WSW of Salyer 6 mi S of Berry Summit on CA Hwy 299; USFS 1372 Comment
  UC1103701  Festuca californica Joseph P. Tracy 1911-7-7 3426 Humboldt ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC180429  Festuca californica Joseph P. Tracy 1913-6-21 4250 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC31216  Festuca idahoensis D. E. Anderson 1972-6-20 5732 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC1145211  Festuca occidentalis Joseph P. Tracy 1936-7-28 15019 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UCD66133  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-6-2 3473 Humboldt 4 miles north of Bridgeville. Comment
  SEINET200833  Festuca roemeri Joseph P. Tracy 1912-7-26 3868 Humboldt Kneeland Prairie 762 Comment
  UCD66284  Festuca roemeri Collector Unknown 1951-6-18 Humboldt Collected at Snail Ridge near Hydesville. Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  RSA10070  Festuca rubra Joseph P. Tracy 1927-6-26 8217 Humboldt Stone Lagoon. Comment
  RSA126630  Festuca rubra H. S. Yates 1936-6-16 5671 Humboldt 1 mile N of Samoa. 3 Comment
  UC525639  Festuca rubra Joseph P. Tracy 1927-7-4 8238 Humboldt Lone Star Creek North Coast Ranges, Iaqua District 609 Comment
  CAS-BOT-BC282515  Festuca subbiflora W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek and Eel River Comment
  CAS-BOT-BC282522  Festuca subbiflora Harley P. Chandler 1901-5-1 1184 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC453518  Fragaria chiloensis David D. Keck; J. Clausen 1935-6-16 3390 Humboldt Mouth of Little River Comment
  SD39959  Fragaria chiloensis Charlotte M. Hoak 1931-7-14 2103 Humboldt Eureka, sand dunes on bar Comment
  BLMAR243  Frangula californica subsp. californica Jennifer Anthony-Wheeler 1997-7-24 243 Humboldt Lacks Creek, growing beside rd with ceanothus & rubus 1219 Comment
  CAS-BOT-BC59967  Frangula purshiana H. E. McMinn 1922-8-5 347 Humboldt Along Van Duzen River Comment
  CAS-BOT-BC59970  Frangula purshiana L. R. Abrams 1922-6-25 8258 Humboldt N. of Mad River near Arcata. Comment
  HSC30335  Frangula purshiana Dale R. Gradek 1974-4-17 38 Humboldt 0.25 mi N of intersection of Dows Prairie Rd and Grange Rd. Comment
  SBBG26940  Frangula purshiana subsp. purshiana H. E. and S. T. Parks -May-1935 5541 Humboldt Spruce Cove, Trinidad 64 Comment
  CAS-BOT-BC217693  Fraxinus latifolia M. S. Jussel 1931-5-1 s.n. Humboldt Sylvandale, 8 mi. N of Garberville Comment
  CAS-BOT-BC217698  Fraxinus latifolia Doris K. Kildale 1927-5-13 3142 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC136031  Fritillaria affinis Doris K. Kildale 1925-4-1 s.n. Humboldt Hungry Hollow near Korbel Comment
  HSC82043  Fritillaria affinis Thomas W. Nelson, James Nelson 1980-6-10 5439 Humboldt Along branch rd. off Swayback Ridge 4-wheel drive rd. 200 yds from junction 1433 Comment
  UC179931  Fritillaria affinis Joseph P. Tracy 1914-5-3 4419 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  SEINET200745  Fritillaria lanceolata Joseph P. Tracy 1940-5-17 16549 Humboldt McClellan Mountain. 762 Comment
  RSA275379  Galium Thomas W. Nelson, J. Nelson 1976-5-10 2466 Humboldt Besides S.R. 191 just N of its jct with S.R. 70. Comment
  SEINET3024818  Galium ambiguum Joseph P. Tracy 1913-6-21 4248 Humboldt Dinsmore's Ranch; in valley of Van Duzen River opposite Buck Mountain 760 Comment
  HSC102634  Galium aparine M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1619 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC57208  Galium aparine Griswold, Butler 1979-7-12 7186 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC69634  Galium aparine R. Kalal 1980-6-3 25 Humboldt Along Samoa Blvd. 2 Comment
  HSC89467  Galium aparine P. A. Daly 1986-3-12 101 Humboldt Trinidad Head, along trail 61 Comment
  UC1222498  Galium aparine Joseph P. Tracy 1950-6-25 18891 Humboldt Burr Valley Comment
  HSC26464  Galium aparine T. O. Osborne 1970-5-17 17 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  RSA168953  Galium aparine Joseph P. Tracy 1950-6-25 18891 Humboldt Burr Valley. On NW slope of Buck Mtn. 1067 Comment
  HSC57323  Galium bolanderi Overton, Butler 1979-7-24 9555 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  RSA47106  Galium californicum Doris K. Kildale 1925-5-23 585 Humboldt Eureka. Comment
  RSA698804  Galium californicum J. R. Bruff 1937-8-17 916 Humboldt Richardson Grove. Comment
  JEPS52873  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3861 Humboldt 2.3 mi s Weott; Avenue of the Giants 60 Comment
  JEPS6482  Galium divaricatum Joseph P. Tracy 1916-6-19 4730 Humboldt Alder Point Northern Coast Ranges 152 Comment
  UC1225912  Galium muricatum Joseph P. Tracy 1943-7-18 17429 Humboldt along Trinity Hwy Willow Creek Canyon 487 Comment
  JEPS6496  Galium parisiense W. L. Jepson 1902-6 1981 Humboldt Hupa Comment
  UC176053  Galium parisiense Joseph P. Tracy 1913-7-20 4379 Humboldt Redwood Creek crossing at Berry's; Northern Coast Ranges 304 Comment
  RSA0021851  Galium triflorum T. Gertrude Williamson 1924-7-10 s.n. Humboldt Arcata. Comment
  HSC40855  Garrya fremontii Thomas W. Nelson 1976-7-9 2992 Humboldt Ridge S of the E peak of the Lassic Peak (Signal peak) group. 1707 Comment
  OBI14161  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow crk Comment
  RSA12458  Gastridium phleoides C. B. Wolf 1934-6-30 5835 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  UC50488  Gastridium ventricosum J. Burtt Davy 1899-6-26 5868 Humboldt Hoopa Valley; North Coast Ranges, Hoopa Valley Comment
  UC562736  Gaultheria ovatifolia Joseph P. Tracy Jul 16 1930-Jul 19 1930 9022 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC98344  Gaultheria shallon Jimerson, J. Pageau 1979-6-12 531 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  RSA232641  Gaultheria shallon Larry E. DeBuhr, Gary D. Wallace 1972-5-22 607 Humboldt About 25 miles north of Arcata on the south end of Big Lagoon. Comment
  UC1120973  Gaultheria shallon R. Stahelin 1933-7-31 Humboldt Korbel Comment
  HSC75456  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1980-7-18 3600 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS27600  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-8-30 13046 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC58834  Gayophytum racemosum Overton, Butler 1979-7-31 11406 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC12458  Genista monspessulana F. S. Griffith 1965-4-24 115 Humboldt Near Azalea Park along N bank of Mad River. Comment
  HSC8642  Geranium bicknellii D. E. Anderson 1963-5-25 2497 Humboldt 4 mi. E of Petrolia. Comment
  UC502970  Geranium carolinianum Joseph P. Tracy 1927-5-8 7959 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Region Comment
  HSC59717  Geranium dissectum Clark L. Miller 1979-5-9 2111 Humboldt Samoa Dunes off Samoa Blvd. Comment
  HSC8656  Geranium molle Richard Spjut 1968-11-2 258 Humboldt On the SW slope of Chaparral Mtn. 701 Comment
  HSC102926  Gilia M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 882 Humboldt Patterson Meadows 1566 Comment
  SEINET6969929  Gilia capitata Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland, Kneeland Prairie, near serpentine outcrops. Comment
  JEPS69517  Gilia capitata subsp. capitata Lincoln Constance 1934-5-23 621 Humboldt sw slope upper end Look Prairie (South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel River, Look Prairie 365 Comment
  HSC16988  Gilia millefoliata L. H. Myers 1963-5-13 14 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  JEPS86031  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region, , near Samoa 6 Comment
  UC908974  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (sand dunes, on Humboldt Bay); Northern Coast Region, on Humboldt Bay, nr Samoa 6 Comment
  HSC100596  Gilia tricolor Carl C. Marshall May 1887 420 Humboldt Dobbyn's Creek. Comment
  CAS-BOT-BC266491  Githopsis diffusa L. R. Abrams 1918-6-16 7176 Humboldt Willow Creek Comment
  JEPS11824  Githopsis diffusa subsp. robusta Lincoln Constance 1934-6-4 819 Humboldt Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  SEINET10464629  Githopsis specularioides Tracy 1903-5-23 TRACY 1906 Humboldt Alder Point, on Eel River 152 Comment
  UC179951  Glechoma hederacea Joseph P. Tracy 1914-5-17 4475 Humboldt ridge between Freshwater and Ryans Slough (at abandoned Cumens claim); Northern Coast Region, Humboldt Bay Region 304 Comment
  RSA80349  Glehnia littoralis subsp. leiocarpa F. W. Peirson 1923-7-11 3946 Humboldt 18 miles north of Eureka 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
  SEINET7292867 Image available Glyceria occidentalis Joseph P. Tracy 1942-1 17090 Humboldt Loleta Comment
  CAS-BOT-BC282851  Glyceria striata Joseph P. Tracy 1925-6-13 7086 Humboldt Eureka 60 Comment
  UC526902  Glyceria striata Joseph P. Tracy Jul 16 1930-Jul 19 1930 8932 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (South Fork Mountain) 152 Comment
  SEINET11849413  Gnaphalium microcephalum var. thermale J. P. Tracy 1942-1 17303 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC582517  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  HSC98011  Gnaphalium palustre Cara Witte 2007-8-9 632 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  SEINET7010139  Gnaphalium purpureum Wanda P. Vestal, A. G. Vestal 1937-6-20 s.n. Humboldt Near the coast, about 4 miles north of Petrolia. Comment
  UC13522  Goodyera oblongifolia Chesnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC1212573  Goodyera oblongifolia Francia Chisaki, Helen Sharsmith 1959-8-22 4757 Humboldt Inner North Coast Ranges, Happy Camp, just over line from Trinity County Happy Camp Happy Camp; Inner North Coast Ranges, Happy Camp 914 Comment
  CAS-BOT-BC304740  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt Salt marsh bordering Humboldt Bay at Arcata Comment
  JEPS41875  Grindelia hirsutula W. L. Jepson 1902-8-4 2145 Humboldt seashore Capetown to Petrolia 3 Comment
  JEPS94281  Grindelia hirsutula Vernon Oswald and Lowell Ahart 1997-9-4 8845 Humboldt Big Lagoon County Park at the sw edge of Big Lagoon Big Lagoon; North Coast Region, Big Lagoon County Park, Big Lagoon 3 Comment
  POM161906  Grindelia stricta var. stricta Joseph P. Tracy 1921-7-10 5856 Humboldt Big Lagoon. 6 Comment
  RSA168829  Grindelia stricta var. stricta Joseph P. Tracy 1947-11-9 17944 Humboldt South side, at 'Camp Weeott;' Mouth of Eel River. 3 Comment
  HSC75691  Hackelia bella Bill Copeland 1980-6-26 302 Humboldt Near Murphy Meadow 914 Comment
  HSC97938  Hackelia californica Cara Witte 2007-5-31 143 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 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
  JEPS79901  Hackelia setosa Joseph P. Tracy 1937-7-24 15510 Humboldt 2 mi se of Devil's Hole; Trinity Summit 1584 Comment
  POM169139  Hastingsia alba Jos Burtt Davy 5855 Humboldt Near Trinity Summit [Humboldt-Trinity County line] Comment
  CAS-BOT-BC306613  Helenium bigelovii Doris K. Kildale 1925-8-15 1173 Humboldt Elk Horn Prairie - Trinity Summit 1539 Comment
  CAS-BOT-BC306618  Helenium bigelovii Henry M. Pollard 1947-8-31 s.n. Humboldt Klamath River bar nr. Woodson's placer mine, Orleans region Comment
  UC1223097  Helenium bigelovii Joseph P. Tracy 1948-8-15 18153 Humboldt ridge near Elk Camp (trail to Grove's Prairie); Trinity Summit 1493 Comment
  UC582432  Helminthotheca echioides Joseph P. Tracy 1937-8-22 15676 Humboldt near Loleta 9 Comment
  RSA255765  Hemitomes congestum Gary D. Wallace, S. Carlquist, G. Ansley Wallace 1972-6-1 1108 Humboldt Prairie Creek Redwoods St. Pk., E. of Park HQ. 73 Comment
  HSC44129  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1977-7-4 3608 Humboldt Along road N from Alder Spring 1555 Comment
  UC1368467  Hemizonella minima R. K. Gierisch 1969-7-1 3535 Humboldt Grouse Mtn. Six Rivers 1584 Comment
  CAS-BOT-BC309982  Hemizonia congesta subsp. tracyi A. G. Vestal 1937-6-20 s.n. Humboldt 4 miles north of Petrolia Comment
  CAS-BOT-BC309996  Hemizonia congesta subsp. tracyi L. R. Abrams 1916-7-11 6001 Humboldt Between Blocksberg [Blocksburg] and Bridgeville Comment
  UC1199366  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1940-10-17 16768 Humboldt Camp Grant, Eel River 45 Comment
  UC275452  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-7-18 7215 Humboldt Cape Ridge Northern Coast Ranges, Cape Mendocino 304 Comment
  CDA20030  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 1 of 3 0 Comment
  CDA40920  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 3 of 3 0 Comment
  HSC21503  Heracleum maximum S. R. Johnson 1965-3-14 8 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC56237  Heracleum maximum Overton 1979-8-1 12321 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  SD53244  Heracleum maximum Darley F. Howe 1962-5-22 3301 A Humboldt 0.5 miles north of Orick on # 101 29 Comment
  HSC45914  Hesperocyparis macrocarpa Jerome Peterson 1978-4-16 3 Humboldt HSU Campus Comment
  RSA151709  Hesperolinon micranthum Joseph P. Tracy 1908-6-27 2820 Humboldt Northwest slope of Buck Mountain. 915 Comment
  JEPS11793  Heterocodon rariflorum W. L. Jepson 1932-7-24 16394 Humboldt Garberville; Tooey Ranch Comment
  UC168968  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2199 Humboldt Eureka; Northern Coast Region 0 Comment
  UC198602  Heteromeles arbutifolia Miss Landergen Dec 1916 Humboldt Fort Seward; Northern Coast Ranges 91 Comment
  CAS-BOT-BC311078  Heterotheca oregona var. rudis Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  CAS-BOT-BC311082  Heterotheca oregona var. rudis L. R. Abrams 1916-7-11 6066 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  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
  BLMAR81  Heuchera micrantha Jennifer Anthony-Wheeler 1994-6-2 81 Humboldt IAQUA, growing along moist, rocky banks 3/4mi from pvd 853 Comment
  UC154083  Heuchera micrantha var. diversifolia Joseph P. Tracy 1908-6 2865 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  CAS-BOT-BC312393  Hieracium albiflorum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC312398  Hieracium albiflorum Carl D. Duncan 1920-9-28 s.n. Humboldt Hoopa Comment
  BLMAR217  Hieracium albiflorum Jennifer Anthony-Wheeler 1996-7-9 217 Humboldt Pilot ridge. 1280 Comment
  UC419046  Hieracium albiflorum H. E. Parks, J. P. Tracy 1930-9-15 768 Humboldt near Kneeland; Bald Hills Comment
  SEINET11847768  Hieracium bolanderi J. P. Tracy 1947-1 17849 Humboldt Horse Mountain Comment
  UC1199462  Hieracium nudicaule Joseph P. Tracy 1911-7-6 3363 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  JEPS72935  Hierochloe occidentalis Lincoln Constance 1934-5-31 749 Humboldt along n side Bull Cr. (from w boundary of Park to Grasshopper Pk.(Squaw Cr.) rd,); South Fork Eel River, Bull Cr. flat Comment
  HSC63084  Hippuris vulgaris David Wheeler 1979-4-20 72 Humboldt Clam Beach Ponds, N pond, 0.25 mi. S of Crannel Rd. between the frontage road and Hwy. 101 Comment
  RSA0016044  Hippuris vulgaris John R. Keith 1973-5-15 s.n. Humboldt Approximately 200 yards east of junction of Guintoli Ln. and West End Rd. Comment
  CAS-BOT-BC280735  Holcus lanatus L. R. Abrams 1916-7-11 6018 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River 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
  SD51261  Holcus lanatus D. F. Howe 1961-8-1 Humboldt 9 miles north of Arcata on #101 Comment
  HSC90677  Holcus mollis Gail Newton 1982-6-1 3568 Humboldt Elk River Wildlife Area, Eureka. Comment
  UCD84884  Holcus mollis R. N. Raynor 1935-6-7 s.n. Humboldt Fort Seward. Comment
  HSC74742  Holodiscus discolor Gail Newton 1981-7-24 2295 Humboldt Near Chaparral Mtn. 1512 Comment
  JEPS45041  Holodiscus discolor W. L. Jepson 1902-7-29 2125 Humboldt Willow Creek; Three Creeks; Expedition from Ukiah to the Hupa Indian Reservation; Willow Creek to Three Creeks, near summit 914 Comment
  RSA20812  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt N Coast Range, Wildcat ridge, 6.3 miles S of Ferndale. 305 Comment
  UC1127999  Holodiscus discolor A. E. Wieslander 1931-5-22 216 Humboldt hills s of Ferndale Comment
  UC1198701  Holodiscus discolor Joseph P. Tracy 1909-7-31 3055 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC281264  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-7-10 10389 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  UC1103747  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1927-7-16 8251 Humboldt mouth of Elk River 3 Comment
  UC1132099  Hordeum brachyantherum subsp. brachyantherum H. S. Yates 1936-2-16 5680 Humboldt 1 mi ne Samoa; Eureka Quad. Comment
  UC526787  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-7-10 10389 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  UC682044  Hordeum brachyantherum subsp. brachyantherum G. L. Stebbins Jr. and G. L. Church 1941-5-26 3103 Humboldt Eureka, N end of city Comment
  UCD85879  Hordeum marinum subsp. gussoneanum A. H. Murphy 1951-5-21 s.n. Humboldt Tooby and Prior Ranch, Blocksburg. Experimental grazing pasture, 2 miles S of Blocksburg. Comment
  HSC10223  Hordeum murinum subsp. glaucum E. W. Styskel 1964-4-12 67 Humboldt Corner of Center St. and Hwy. 101 in Rio Dell. Comment
  JEPS44517  Horkelia sericata Harley P. Chandler 1901-6-1 1543 Humboldt between Sommes Bar Jims Ranch; North Coast Ranges, Klamath River 426 Comment
  HSC44356  Hosackia crassifolia Brad Klipfel 1974-7-23 464 Humboldt Horse Mtn. Comment
  JEPS1632  Hydrophyllum fendleri var. albifrons Mary H. Manning 1901-6-25 Humboldt Trinity Summit; n Humboldt County Comment
  HSC74204  Hydrophyllum occidentale M. A. Baker 1980-7-19 3007 Humboldt Near Bret Hole. 1814 Comment
  JEPS1645  Hydrophyllum occidentale Joseph P. Tracy 1935-7-16 13955 Humboldt lower foothills nw slope Buck Mountain 792 Comment
  HSC53943  Hypericum anagalloides Griswold, Butler 1979-7-11 6982 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC99603  Hypericum anagalloides Gordon Leppig 1997-6-19 459 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 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
  POM146240  Hypericum formosum var. scouleri J. B. Feudge 1923-7-23 153 Humboldt Trinidad Comment
  UC183760  Hypericum formosum var. scouleri Joseph P. Tracy 1913-7 4362 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  UC1198419  Hypericum formosum var. scouleri J. P. Tracy 1898-7-5 249 Humboldt near Ryan's Slough School House on Worthington Prairie (immediate vicinity of Eureka) 0 Comment
  UC668257  Hypericum perforatum Joseph P. Tracy 1935-7-27 14274 Humboldt along trail Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  HSC27781  Hypericum perforatum J. D. Ackerman, A. M. Montalvo 1973-6-17 57 Humboldt 1 mi. W of Redwood Creek along Hwy. 299 Comment
  RSA424593A  Hypericum perforatum T. S. Elias, Barbara A. Elias 1987-8-26 10630 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge. Comment
  HSC37940  Hypochaeris radicata Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  UC166805  Hypochaeris radicata J. P. Tracy 1900-7-22 906 Humboldt immediate vicinity Eureka 0 Comment
  SEINET11860415  Hypochaeris radicata Unknown 1933-8-6 s.n. Humboldt Eureka Comment
  UCSB6709  Hypochaeris radicata Keator, Glenn 1958-6-18 Humboldt In the vicinity of Smith River (the town) Comment
  UC302050 Image available Iliamna latibracteata Joseph P. Tracy 1926-6-12 7585 Humboldt Prairie Creek 152 Comment
Read comments
Feb 27 2012
  UC902183 Image available Iliamna latibracteata Joseph P. Tracy 1946-7-28 17623 Humboldt Along Trinity Highway Willow Creek Canyon. 762 Comment
Read comments
Feb 27 2012
  HSC55838  Ipomopsis aggregata G. L. Clifton, Griswold 1979-7-25 10775 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1541562  Ipomopsis aggregata W. K. Parks July 1933 1409 Humboldt South Fork Mtn Comment
  HSC32386  Iris douglasiana Linda M. Barker 1974-5-11 184 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  UC162596  Iris douglasiana Joseph P. Tracy 1911-6-4 3215 Humboldt 5 mi from coast Little River (along Little River); Northern Coast Region 121 Comment
  UC275569  Iris douglasiana Joseph P. Tracy 1923-6-20 6306 Humboldt White Thorn Valley; Northern Coast Ranges 304 Comment
  UCSB28085  Iris douglasiana Phelps, M. 1972-3-19 Humboldt 1.5 mi. from Garberville; along Old Briceland Rd; 0.5 mi. north of roadside 213 Comment
  HSC49967  Iris douglasiana M. A. Baker 1979-5-30 768 Humboldt NW tip of Elk Head Comment
  UC1174757  Iris douglasiana L. W. Lenz and E. K. Balls 1956-6-12 21666 Humboldt between Willow Creek and Blue Lake (U.S. Hwy 299) 365 Comment
  JEPS86127  Iris macrosiphon Wayne Roderick 1966-5-5 Humboldt ca 5 mi n Bridgeville 609 Comment
  CAS-BOT-BC123369  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-13 18296 Humboldt along Klamath River, Orleans 121 Comment
  RSA120324  Iris tenax subsp. klamathensis S. Tillett 1956-7-6 618 Humboldt 11 miles from Orleans, on Bar Shanty Road 1159 Comment
  SEINET12051377  Iris tenax subsp. klamathensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -314 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC70763  Iris tenuissima R. York 1980-5-17 538 Humboldt Near Le Perron Peak 1066 Comment
  HSC98886  Iris tenuissima subsp. tenuissima Cara Witte 2008-6-4 677 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1307 Comment
  CAS-BOT-BC88653  Isatis tinctoria J. H. Thomas 1949-6-12 900 Humboldt Near Klamath River, about 0.5 mile north of town of Orleans. Comment
  HSC45611  Isatis tinctoria Diane L. Reed 1978-5-7 68 Humboldt E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299 Comment
  HSC61723  Isatis tinctoria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 238 Comment
  JEPS60150  Isoetes nuttallii Joseph P. Tracy 1938-7-7 16034 Humboldt at Cold Springs Grouse Mt; Grouse Mt., Cold Springs 1432 Comment
  HSC13941  Ixia maculata R. van Weemen van Noord 1966-4-16 19 Humboldt 100 yds. S of N end of Samoa Drag St. 9 Comment
  CAS-BOT-BC340157  Jaumea carnosa Joseph P. Tracy 1939-8-6 16399 Humboldt Big Lagoon 6 Comment
  UC184214  Juncus bolanderi Joseph P. Tracy 1900-9-3 940 Humboldt Eureka Northern Coast Region 0 Comment
  UCR27990  Juncus bolanderi A. C. Sanders 1981-8-6 2300 Humboldt Near Orick, 1.6 mi west of Hwy 101 on Davison Road toward Gold Bluffs Beach Comment
  HSC96585  Juncus bufonius var. bufonius Gordon Leppig 1998-8-23 1069 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC45438  Juncus covillei Thomas W. Nelson, Jane Nelson 1978-7-2 4403 Humboldt Along margin of Lost Lake 1433 Comment
  BLMAR659  Juncus effusus subsp. pacificus Andrew Maguire 2012-7-19 659 Humboldt Lacks Creek, Faulkner prairie 894 Comment
  SEINET3878826  Juncus effusus var. pacificus Thomas Nelson 1974-7-20 1695 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  UCD141534  Juncus ensifolius Malcolm A. Nobs; S. Galen Smith 1949-8-3 1199 Humboldt Southern outskirts of Eureka. Comment
  UC1152094  Juncus ensifolius Joseph P. Tracy 1950-7-16 8980 Humboldt near McKay Camp (close to Trinity County line); South Fork Mountain 1676 Comment
  HSC46967  Juncus falcatus J. P. Smith, Thomas W. Nelson 1977-6-30 9213 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  HSC14026  Juncus lescurii David Adams 1960-7-10 Humboldt W of Mad River Slough 0 Comment
  POM160292  Juncus nevadensis var. inventus Joseph P. Tracy 1925-10-18 7293 Humboldt Big Lagoon. 6 Comment
  HSC98581  Juncus occidentalis Cara Witte 2008-7-16 924 Humboldt Mud Lake. Off National Forest 1, near Buck Flat. 1569 Comment
  UC184016  Juncus patens Joseph P. Tracy 1901-7-28 1223 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC98441  Juncus planifolius Peter Zika 2008-10-19 24229 Humboldt E side of Hwy. 101, near Exit 728 for Trinidad Beach 110 Comment
  RSA42044  Juncus xiphioides H. C. Cantelow 1936-8-28 1641 Humboldt 4 miles W of Dinsmore Ranch. Comment
  CAS-BOT-BC235891  Keckiella corymbosa C. Epling; Wm. Robison 1935-7-24 s.n. Humboldt Dyerville Comment
  RSA46967  Keckiella corymbosa Carl B. Wolf 1927-8-30 1237 Humboldt 2 miles S of Petrolia on the Matole River near point where the road crosses the river. Comment
Read comments
Mar 27 2012
  SD87718  Keckiella corymbosa Frank W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec Comment
  UC535733  Keckiella corymbosa Eleanor Armstrong 1934-8-24 1186 Humboldt Richardson Grove 121 Comment
  UC213143  Keckiella lemmonii E. Ethel Tracy 1919-8-1 Humboldt Trinity Summit; Northern Coast Ranges 1524 Comment
  UC673097  Kelloggia galioides Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16662 Humboldt Friday Ridge; Grouse Mt. 1280 Comment
  JEPS11333  Kickxia elatine Joseph P. Tracy 1934-6-22 13246 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC58117  Kyhosia bolanderi G. L. Clifton, Griswold 1979-8-1 12079 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  CAS-BOT-BC340409  Lactuca biennis Henry M. Pollard 1947-8-21 s.n. Humboldt Near Ferrian Ranch, Orleans region Comment
  UC668198  Lagophylla ramosissima Joseph P. Tracy 1938-7-4 15993 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC341442  Lagophylla ramosissima H. M. Hall 1924-8-10 12081 Humboldt Van Duzen River, near Carlotta Comment
  HSC26361  Lasthenia maritima T. O. Osborne 1970-5-24 89 Humboldt Flat-iron Rock, 3/4 mi. NW Trinidad Lighthouse Comment
  JEPS55246 Image available Lathyrus japonicus Joseph P. Tracy 1912-7-7 3736 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS55323  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1926-5-2 7432 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC89295  Lathyrus latifolius K. Grenier 1989-10-6 367 Humboldt Arcata, E of Alliance Rd. .2 mi. S of junction of Alliance and Stromberg Rds. Comment
  HSC14738  Lathyrus littoralis Norman H. Moe 1962-5-3 Humboldt Lanphere's Place Comment
  HSC14747  Lathyrus littoralis R. E. Hafenfeld 1965-5-9 45 Humboldt 1/4 mi. N of Squashan Cr. near Gold Bluff Beach Rd. Comment
  CAS-BOT-BC205043  Lathyrus palustris Malcom A. Nobs; S. Galen Smith 1949-8-3 1187 Humboldt At the southern outskirts of Eureka Comment
  UC1222403  Lathyrus torreyi Joseph P. Tracy 1942-6-28 17272 Humboldt e of Korbel (on Murphy Ridge beyond the meadows); Bald Mountain, Murphy Ridge Comment
  HSC14706  Lathyrus vestitus subsp. bolanderi H. E. Parks Jun 1931 1082 Humboldt Kneeland Comment
  HSC81920  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4967 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  RSA64054  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1949-6-7 19081 Humboldt Redwood Highway ca 15 miles N of Garberville. Comment
  UC1223217  Layia carnosa Joseph P. Tracy 1946-6-2 17555 Humboldt Fairhaven; Samoa Peninsula Comment
  UC34740  Layia carnosa W. C. Blasdale 1896-6-2 Humboldt Comment
  HSC59442  Lemna minor Kenneth Clark 1979-4-21 148 Humboldt Off of Cranell Rd., 50 ft. E of Hwy. 101 Comment
  HSC39835  Leontodon saxatilis subsp. saxatilis Peter Sorensen 1976-7-11 Humboldt Woodley Island; Humboldt Bay Comment
  HSC38940  Leontodon saxatilis subsp. saxatilis Linda M. Barker 1976-5-13 1488 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  CAS-BOT-BC89165  Lepidium draba Joseph P. Tracy 1933-5-19 12201 Humboldt Eel River. Alton to Fortuna. 15 Comment
  UC161491  Lepidium strictum Joseph P. Tracy 1911-7-1 3276 Humboldt near Hydesville (at Carlotta); Northern Coast Region, Carlotta 60 Comment
  UC552286  Lepidium virginicum Joseph P. Tracy 1933-8-22 12992 Humboldt Mouth of Eel River North Coast Ranges 3 Comment
  POM203227  Leptosiphon androsaceus M. S. Jussel 1931-5-2 s.n. Humboldt near Garberville Comment
  CAS-BOT-BC226709  Leptosiphon latisectus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg 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
  HSC74476  Lewisia cotyledon Gail Newton 1980-7-24 1762 Humboldt Near Somes Mtn. 1615 Comment
  HSC98516  Lewisia triphylla C. Witte 2007-5-18 45 Humboldt Near Bottleneck Spring. 1575 Comment
  CAS-BOT-BC283516  Leymus X vancouverensis W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  CDA32456  Leymus X vancouverensis Co Hort. Comm 1930-10-1 s.n. Humboldt letter in files -- not found 0 Comment
  SEINET200642 Image available Leymus triticoides J. P. Tracy 1929-6-3 8601 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC1197176  Ligusticum apiifolium J. P. Tracy 1906-11-4 2554 Humboldt immediate vicinity Eureka (Rick's Prairie); Rick's Prairie 0 Comment
  UC1222811  Ligusticum apiifolium Joseph P. Tracy 1950-7-31 19238 Humboldt Grouse Mt. 1524 Comment
  JEPS14227  Ligusticum apiifolium Joseph P. Tracy 1937-8-15 15666 Humboldt 4 mi. e. Orick (Gans Prairie); Gans Prairie 548 Comment
  UC1197320  Ligusticum californicum Joseph P. Tracy 1937-8-12 15633 Humboldt Snow Camp 1402 Comment
  HSC49055  Ligusticum californicum Patricia Shesgreen 1978-8-2 123 Humboldt Arcata Community Forest, 100 yds N of field house, 25 ft from pond Comment
  UC176689  Lilium columbianum Joseph P. Tracy 1913-7-13 4356 B Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  HSC33260  Lilium kelloggii A. M. Montalvo, J. D. Ackerman 1974-8-1 399 Humboldt 1.0 mi. W of Kneeland Post Office on Greenwood Heights Rd. Comment
  CAS-BOT-BC130688  Lilium occidentale A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt Table Bluff, near Eureka Comment
  RSA256588  Lilium occidentale Thomas W. Nelson, Doris Niles 1974-6-24 s.n. Humboldt Wiggens Ranch just west of the garbage dump. Comment
  UC177231  Lilium occidentale Joseph P. Tracy 1912-6-16 3705 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  CAS-BOT-BC130683  Lilium occidentale Dr. Doris Niles; Thomas Nelson 1974-6-20 s.n. Humboldt On the Wiggens ranch just west of the garbage dump Comment
  UC666957  Lilium pardalinum Joseph P. Tracy 1937-7-24 15533 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  JEPS62008  Lilium pardalinum Hilda Grinnell 1932-7-19 31 Humboldt near McKay Camp 1676 Comment
  HSC56956  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-23 9467 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  HSC15581  Lilium rubescens Paul Shields 1955-6-12 Humboldt 6 miles west of Meyers Flat Comment
  JEPS62029  Lilium rubescens Mrs. M. H. Manning 1901-7-27 319 Humboldt Bald Hills Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UC1222535  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1950-7-1 18951 Humboldt near Friday Camp ((to Grouse Mt.)); Friday Ridge 1219 Comment
  UC13797  Lilium washingtonianum subsp. purpurascens Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  HSC23110  Limnanthes douglasii Norman Dennis 1965-6-11 113 Humboldt 1/4 mi. S and 1 mi. E of the junction of Barry Ridge Rd. and the Eureka-Bridgeville county road, along Ashfield Ridge Rd. About 5 mi. SE of Kneeland 793 Comment
  UC1197411  Limnanthes douglasii Joseph P. Tracy 1927-7-4 8240 Humboldt Lone Star Creek Northern Coast Ranges (Iaqua region) 609 Comment
  JEPS19584  Limnanthes douglasii subsp. nivea Joseph P. Tracy 1937-6-20 15346 Humboldt ten mi upstream from mouth; Bear River 152 Comment
  UC1198585  Linanthus ciliatus Joseph P. Tracy 1908-6 2823 Humboldt nw slope Black Mountain; Northern Coast Ranges 914 Comment
  UC162582  Linanthus filipes Joseph P. Tracy 1911-7-9 3456 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 182 Comment
  UC908983  Linanthus latisectus Milo S. Baker 1931-5-17 5186 Humboldt 4.2 mi s Garberville (on highway) Comment
  HSC20667  Linaria vulgaris H. E. Parks, S. T. Parks Aug 1943 22239 Humboldt Along Hwy., Stone Lagoon 15 Comment
  HSC57865  Linnaea borealis subsp. longiflora G. L. Clifton 1979-7-31 11390 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  SJSU918  Linnaea borealis var. longiflora J. W. Tilden 1946-6-2 999 Humboldt Bluff Cr c. 1.5 mi above its junction with Klamath R Comment
  SD51257  Linum bienne Darley F. Howe 1961-8-1 348 Humboldt 9.0 miles north of Arcata on Highway 101. Comment
  UC1130237  Linum usitatissimum H. L. Person 1932-7-16 Humboldt Highway n of Trinidad Comment
Read comments
Aug 3 2007
  UC1103631  Lipocarpha occidentalis Joseph P. Tracy 1920-8-15 5368 Humboldt Klamath R. at mouth of Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  UC1222184  Listera caurina Joseph P. Tracy 1951-6-26 19555 Humboldt Snow Camp Comment
  HSC36649  Listera cordata var. nephrophylla J. D. Ackerman 1975-6-4 445 Humboldt 4 mi. E of Hwy. 101 on Bald Hills Rd., Redwood National Park 335 Comment
  SACT002876  Lithocarpus densiflorus C. White 1962-5-13 Humboldt Redwood forest along HIghway 299, 16 miles east of Arcata, ca. Comment
  UC35034  Lithocarpus densiflorus Chesnut and Drew 1888-7-25 Humboldt Grouse Creek Comment
  SEINET12034162  Lithocarpus densiflorus J. P. Tracy 1950-1 19253 Humboldt Grasshopper Peak (in Bull Creek State Park at head of Canoe Creek) Comment
  CHSC35521  Lithocarpus densiflorus var. densiflorus Thomas W. Nelson; Jane P. Nelson 1978-2-5 3760 Humboldt Kneeland, east side of junction of Knreeland and Maple Creek roads. 670 Comment
  UC1225788  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-9-20 18224 Humboldt Willow Creek Canyon; along Trinity Highway 457 Comment
  HSC100654  Lithophragma bolanderi Carl C. Marshall Apr 1887 381 Humboldt Hoopa and Bald Hills. Comment
  HSC98767  Lithophragma campanulatum Cara Witte 2008-6-27 760 Humboldt Approximately 1.5 miles south of intersection National Forest 1 and 5N04. 1546 Comment
  UC667091  Lithophragma campanulatum Joseph P. Tracy 1933-7-11 12689 Humboldt Grouse Mountain 1524 Comment
  HSC45399  Lithophragma campanulatum Thomas W. Nelson, Jane Nelson 1977-6-19 3492 Humboldt N of Goat Hill 1616 Comment
  HSC6863  Lobularia maritima R. T. Forester 1963-3-31 35 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  CAS-BOT-BC283400  Lolium multiflorum Henry M. Pollard 1948-7-27 s.n. Humboldt Road to Red Cap Creek near Orleans Comment
  UC1100297  Lolium multiflorum Malcolm A. Nobs and S. Galen Smith 1949-8-3 1177 Humboldt Salt Marshes around Fields Landing; Salt marshes around Fields Landing Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  HSC90681  Lolium perenne Gail Newton 1982-6-10 3590 Humboldt Elk River Wildlife Area, Eureka Comment
  BLMAR646  Lomatium Jennifer Wheeler 2011-5-27 646 Humboldt Lacks Creek, Oak woodland of Stormy Saddle 1097 Comment
  RSA254739  Lomatium californicum Thomas W. Nelson, James Nelson 1973-5-28 954 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC36190  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1898 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC21516  Lomatium dissectum var. dissectum H. E. Parks, J. P. Tracy 1935-6-16 11278 Humboldt Buck Mtn. 915 Comment
  RSA43875  Lomatium macrocarpum H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mountain 1677 Comment
  HSC32153  Lomatium macrocarpum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5601 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC42875  Lomatium tracyi Barbara Kelly 1977-7-16 537 Humboldt 1/4 mi. in from Horse Mtn. Road, 1/2 mi. below turnoff to summit, near end of unused gravel road Comment
  UC647479  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mt. 1219 Comment
  HSC47609  Lomatium utriculatum J. P. Smith 1977-4-23 9025 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC70950  Lomatium utriculatum J. M. DiTomaso 1981-5-15 2006 Humboldt Larabee Valley, 10 mi. E of Bridgeville on Hwy. 36 Comment
  UC1197141  Lomatium utriculatum Joseph P. Tracy 1947-6-25 17718 Humboldt opposite Buck Mt. (along Van Duzen R., Dinsmore's); Dinsmore's, Van Duzen R. 762 Comment
  UC642350  Lomatium utriculatum Joseph P. Tracy 1930-6-29 8814 Humboldt lower foothills of its n.w. slope Buck Mt. 762 Comment
  UC1239547  Lonicera conjugialis Joseph P. Tracy 1932-7-12 10481 Humboldt head Brett Hole; Trinity Summit 1828 Comment
  RSA43892  Lonicera hispidula var. vacillans H. M. Pollard 1948-7-21 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC241496  Lonicera involucrata var. ledebourii Huron H. Smith 1911-6-4 3801 Humboldt Trinidad Comment
  CHSC97979  Lonicera involucrata var. ledebourii Allison Poklemba 2002-4-10 5 Humboldt Pump Station 1 of the Mad River along Warren Creek Rd., Arcata. 13 Comment
  HSC62683  Lonicera involucrata var. ledebourii Michelle Stevens 1979-4-21 54 Humboldt Ponds across from Clam Beach. 0 Comment
  POM318797  Lonicera involucrata var. ledebourii Patricia Wilder 1968-8-21 4369 Humboldt Big Lagoon Park, just west of U.S. 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 15 Comment
  RSA1254  Lonicera involucrata var. ledebourii B. D. Stark 1929-7-24 590 Humboldt 8 miles S of Eureka. 30 Comment
  SBBG52993  Lonicera involucrata var. ledebourii J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  UC493999  Lotus aboriginus H. E. Parks and J. P. Tracy 1930-9-15 762 Humboldt Kneeland Bald Hills Comment
  UC534996  Lotus aboriginus H. E. Parks Jul 1932 Humboldt Bishop Pine Lodge Trinidad 60 Comment
  HSC28150  Lotus aboriginus Chris Gist 1971-6-19 39 Humboldt Hwy. 299, 10 mi. E of Blue Lake. Comment
  UC1223450  Lotus aboriginus Joseph P. Tracy 1949-6-20 18321 Humboldt 12 mi se Arcata (near Boynton Prairie) Comment
  HSC59116  Lotus corniculatus Terry Roth 1979-5-29 94 Humboldt Arcata, corner of Alliance and Foster Rds. Comment
  HSC98124  Lotus corniculatus Cara Witte 2007-6-28 386 Humboldt Forest Service Road 5N10. Approximately 1/2 mile east of intersection with 5N10D. 1426 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
  UC1197290  Lotus humistratus Joseph P. Tracy 1901-8-2 1239 Humboldt near Hydesville; Northern Coast Region, Van Duzen River, Yager Creek 60 Comment
  RSA168893  Lotus micranthus Joseph P. Tracy 1936-5-30 14839 Humboldt Near Samoa on Humboldt Bay. 6 Comment
  JEPS55502  Lotus micranthus Lincoln Constance 1934-5-23 610 Humboldt above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  UC1947582  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1919-5-31 5176 Humboldt near, at Lack Pond Willow Creek; Northern Coast Ranges, Trinity River Valley, Lack Pond 152 Comment
  JEPS55745  Lotus purshianus var. purshianus Lincoln Constance 1934-5-26 667 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  UC303189  Lotus purshianus var. purshianus Joseph P. Tracy 1923-6-17 6266 Humboldt Dows Prairie Northern Coast Ranges 60 Comment
  UC864751  Lotus purshianus var. purshianus Ira L. Wiggins 1930-7-22 4689 Humboldt between Blue Lake and Willow Creek (along bank of Redwood Creek); Redwood Creek Comment
  SEINET200587 Image available Lotus scoparius var. scoparius Joseph P. Tracy 1918-7-6 5048 Humboldt South fork of Eel River near the Humboldt-Mendocino county line 152 Comment
  UCD106706  Lotus uliginosus R. Tofsrud 1947-6-29 s.n. Humboldt Near Loleta. Comment
  HSC39224  Lotus unifoliolatus var. unifoliolatus D. E. Anderson, J. P. Smith 1971-7-6 - 1319 Humboldt Rock wall near bridge over Supply Creek Comment
  UC1197306  Lotus wrangelianus Joseph P. Tracy 1931-6-14 9578 Humboldt Alton, along Van Duzen River North Coast Ranges, Van Duzen River 30 Comment
  UC1223411  Lotus yollabolliensis Joseph P. Tracy 1941-8-28 17048 Humboldt near Blake Lookout (along summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1706 Comment
  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
  HSC58199  Luina hypoleuca Walter Overton 1979-8-2 12302 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1402 Comment
  UC198627  Luina hypoleuca Joseph P. Tracy 1917-9-2 4839 Humboldt Grouse Mountain Northern Coast Ranges 1524 Comment
  HSC6870  Lunaria annua H. S. Logsdon 1964-4-11 19 Humboldt 4 mi. NE of Orick at Boye's Prairie, along Prairie Creek Comment
  SBBG52995  Lupinus J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  SEINET5766215 Image available Lupinus N. H. Russell 1967-6-16 67 -11 Humboldt Clam Beach County Park, about 10 miles north of Eureka Comment
  UC1223281  Lupinus adsurgens Joseph P. Tracy 1946-6-15 17567 Humboldt at the Ski Lodge, Horse Mountain (Horse Mountain); Horse Mountain 1219 Comment
  UC15888  Lupinus adsurgens Chesnut and Drew 1888-7-21 Humboldt South Fork Mt.; ; S of Fort Mt., Humboldt Co. Comment
  RSA167388  Lupinus adsurgens var. adsurgens Joseph P. Tracy 1946-6-15 17567 Humboldt Ski Lodge, Horse Mtn. 1220 Comment
  UC1776380  Lupinus albicaulis R. Spellenberg 1990-7-9 Humboldt Extreme E edge county, 7 air mi. WNW of Hyampom, 42 mi S of Calif Hwy 299 and Berry Summit on USFS Rd. 1, ca 1 mi S of Blake Mtn. on South Fork Mountain. 1767 Comment
  UC198580  Lupinus albifrons Joseph P. Tracy 1916-6-19 4707 Humboldt Burr Creek Northern Coast Ranges, Burr Creek (on high ridges at Robertson Ranch) 914 Comment
  CDA27368  Lupinus albifrons var. collinus K. Eickhoff, C. M. Witte 2005-6-24 15 Humboldt Approximately 13 miles south of Highway 299 on NF1. Comment
  CHSC19506  Lupinus arboreus Gary J. Sebbings 1970-4-18 64 Humboldt Along U.S. lol 1.0 mi north of Clam Beach exit. Comment
  UC1129354  Lupinus arboreus H. L. Person 1932-7-18 Humboldt Freshwater; Eureka Quad. Comment
  UCD106592  Lupinus arboreus Linda M. Barker 1976-5-13 1494 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  SEINET10488455  Lupinus arboreus Michael Currier 1984-7-9 Currier 59 Humboldt Along ocean fromt at clam beach, 6 miles n of arcata; hwy 101. Penstemon sp., And gramineae Comment
  RSA44063  Lupinus arboreus var. arboreus W. Bridge Cooke 1942-7-4 16358 Humboldt Roadside along Highway 101, 4 miles south of Trinidad. Comment
  HSC32075  Lupinus bicolor Glenn McGourty 1974-4-27 35 Humboldt Along side of Mattole River Comment
  HSC47610  Lupinus densiflorus J. P. Smith 1977-4-23 9026 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC58640  Lupinus latifolius G. L. Clifton, Griswold 1979-7-31 11636 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  SD113410  Lupinus latifolius Darley F. Howe 1962-5-21 3296 Humboldt 11.5 miles north of Garberville on Hwy 101 91 Comment
  HSC98892  Lupinus latifolius var. latifolius Cara Witte 2008-6-18 749 Humboldt Horse Mountain Botanical Area. Approximately 1 mile east of junction 6N36 and 6N36A. 1394 Comment
  UC1223290  Lupinus latifolius var. latifolius Joseph P. Tracy 1933-8-30 13032 Humboldt Grouse Mountain near Clear Lake Grouse Mountain; , near Clear Lake 1524 Comment
  RSA32650  Lupinus luteolus Doris K. Kildale 1926-7-11 2347 Humboldt Bear River at Capetown. Comment
  UCD108608  Lupinus luteolus R. Tofsrud 1951-1 s.n. Humboldt Exact location unknown. Comment
  RSA414417  Lupinus rivularis Bonnie C. Templeton 1964-6-11 10073 Humboldt Between Salyer and Arcata on Highway 299 Comment
  SD39056  Lupinus tidestromii Edith A. Purer 1932-7-25 4142 Humboldt Near Somoa Comment
Read comments
Apr 4 2020
  UC1488739  Lupinus tracyi Marc Baker 1980-7-22 3060 Humboldt Salmon Mountain; Salmon Mt. Quad., near Salmon Mountain 287 Comment
Read comments
Jul 7 2009
  UC1488744  Lupinus tracyi Marc Baker 1980-7-19 2987 Humboldt near Bret Hole 105 Comment
Read comments
Jul 7 2009
  HSC14894  Lupinus variicolor Francis Winter 1960-4-19 Humboldt Samoa Pennisula 6 mi. W of Arcata. Comment
  HSC98044  Luzula comosa Cara Witte 2007-5-31 163 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1547 Comment
  UC1152130  Luzula comosa Joseph P. Tracy 1929-4-28 8555 Humboldt near w side South Fork Trinity River (on Manzanita Flat); Trinity River Valley, near South Fork <Trinity River> 182 Comment
  UC1056033  Luzula parviflora H. E. and S. T. Parks June 1952 22446 Humboldt Bishop Pine Lodge Trinidad, Bishop Pine Lodge Comment
  SEINET3151058  Luzula subsessilis D. E. Anderson 1965-5-1 3565 Humboldt along hwy 96, 1.9 mi. N of Willow Creek Comment
  JEPS67157  Luzula subsessilis Joseph P. Tracy 1918-4-14 4877 Humboldt s end Dows Prairie (Fish's Mill Creek); Northern Coast Ranges, , s end Dows Prairie 60 Comment
  CAS-BOT-BC61931  Lycopodium clavatum H. E. Parks; W. K. Parks 1932-7-30 01132 Humboldt Camp 21 Hammon Lumber Company, Trinidad 152 Comment
  UCD23453  Lycopodium clavatum K. Niles 1950-10-1 s.n. Humboldt Loleta. 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
  HSC36094  Lysichiton americanus Michael L. Chase 1973-5-14 10 Humboldt Along Van Duzen at junction with Yager Creek 37 Comment
  UCR39976  Lythrum hyssopifolia L. P. Janeway, Paul Wilson 1984-6-25 821 Humboldt Humboldt Bay region, North Spit of Bay, Bureau of Land Management lands near the Coast Guard Station. 5 Comment
  HSC100440  Madia elegans Carl C. Marshall Jun 1885 97 Humboldt Hills. Comment
  SEINET11810578  Madia elegans L. K. Henry 1971-1 s.n. Humboldt along Rt. 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  HSC54202  Madia exigua Griswold, Butler 1979-7-12 7242 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  UC176421  Madia gracilis Joseph P. Tracy 1909-7-31 3029 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC343025  Madia gracilis Doris K. Kildale 1927-6-25 3564 Humboldt Fearren's Ranch between Thorn & Shelter Cove Comment
  UC175981  Madia gracilis Joseph P. Tracy 1908-6 2796 Humboldt Valley of Van Duzen River; Northern Coast Ranges, Buck Mountain 762 Comment
  CAS-BOT-BC343594  Madia sativa Doris K. Kildale 1925-7-28 1093 Humboldt Riverside on the Van Duzen River near Strong's Station Comment
  HSC45076  Madia sativa R. Sutherland 1976-8-13 7 .13876 Humboldt 213 Comment
  RSA2935  Mahonia nervosa C. B. Wolf 1931-8-30 2375 Humboldt 11 miles above Blue Lake on the Lord Ellis Road to Willow Creek 305 Comment
  CHSC32860  Maianthemum dilatatum Lora L. Anderson 1981-4-26 1 Humboldt Ca. 5 m n on Clam Beach Rd, 0.5 km e of Hwy 101, 9.5 mi n of Arcata. 0 Comment
  UCSB15906  Maianthemum dilatatum Breedlove, Dennis 1962-6-8 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  HSC15643  Maianthemum racemosum subsp. amplexicaule Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  HSC41341  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1974-9-7 559 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  HSC44336  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1975-6-17 675 Humboldt Horse Mtn. Comment
  HSC58176  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-8-2 12258 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC511454  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1926-3-26 1640 Humboldt Old Fortuna road 609 Comment
  HSC15650  Maianthemum racemosum subsp. amplexicaule V. G. Vieira 1963-5-2 47 Humboldt Butler Valley Ranch Comment
  RSA407376  Maianthemum stellatum Lyman Benson 1929-7-19 1859 Humboldt Dyerville to Matole River. Comment
  HSC41005  Malacothrix floccifera J. O. Sawyer 1975-10-17 2716 Humboldt Along road to Brush Mountain Lookout 1189 Comment
  UC1052474  Malus fusca H. E. Parks Apr 1933 4352 Humboldt Spruce Cove; Trinidad Comment
Read comments
May 24 2020
  UC303165  Malus fusca Joseph P. Tracy 1923-6-20 6304 Humboldt White Thorne Valley; Northern Coast Ranges 304 Comment
  UC484032  Malus fusca C. B. Wolf 1930-10-26 Humboldt s edge Big Lagoon (near the Redwood Highway) 3 Comment
  HSC47495  Marah oregana Sheila Logan 1978-4-9 19 Humboldt Fieldbrook, 0.5 mi. E of McKinleyville on Murray Rd. 122 Comment
  JEPS42489  Marah oregana W. L. Jepson 1902-6-24 1931 Humboldt Blue Lake Comment
  UC204870  Matricaria occidentalis Joseph P. Tracy 1918-6-16 4955 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC79492  Medicago polymorpha Kenneth Clark 1980-6-15 700 Humboldt 300 yards SE of Dead Man's Gulch 8 Comment
  HSC90387  Medicago polymorpha Jean Hanson 1980-4-12 46 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  UC188886  Melica harfordii J. Burtt Davy 1899-6-19 5657 Humboldt Hoopa Mt. summit; North Coast Ranges Comment
  UC34139  Melica spectabilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5827 Humboldt Trinity Summit Comment
  CAS-BOT-BC262470  Melica subulata Joseph P. Tracy 1935-4-14 13778 Humboldt Miranda. Along South Fork of Eel River 121 Comment
  HSC10370  Melica subulata E. W. Styskel 1964-4-3 59 Humboldt 0.25 mi. NE of Garbervillie Airport along Sprowl Creek Rd. Comment
  HSC58679  Melica subulata G. L. Clifton, Griswold 1979-8-2 12213 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC97958  Melica subulata Cara Witte, Michael Scott 2007-6-22 340 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1/5 mile after intersection with 4N38. 1486 Comment
  UC38867  Melica subulata Harley P. Chandler May 1901 1174 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  POM47605  Melissa officinalis Unspecified 1923-7-29 91 Humboldt Rohnerville. Damp flat. 15 Comment
  RSA21020  Mentha canadensis Carl B. Wolf 1937-9-12 9320 Humboldt Big Lagoon, south side along Redwood Hwy 6 Comment
  HSC12369  Mentha canadensis C. E. Fellows 1970-10-27 376 Humboldt Banks of Mad River 1/8 mi. W of Lindsey Creek Comment
  HSC37918  Mentha pulegium Peter Sorensen 1976-7-15 Humboldt Humboldt Bay, Woodley Island Comment
  UC1198475  Mentzelia dispersa Joseph P. Tracy 1937-6-27 15384 Humboldt between Grouse Mt.and South Fork of Trinity River; Friday Ridge 1219 Comment
  HSC25986  Mentzelia laevicaulis Thomas W. Nelson 1970-9-3 221 Humboldt Mad River. Comment
  UC1198473  Mentzelia laevicaulis var. laevicaulis Joseph P. Tracy 1911-7-10 3501 Humboldt near: along Willow Creek mouth,Tributary of Trinity River; Northern Coast Ranges 152 Comment
  HSC28256  Menziesia ferruginea subsp. ferruginea Gary S. Lester 1973-12-2 59 Humboldt Humboldt State University Campus, Arcata Comment
  HSC36233  Menziesia ferruginea subsp. ferruginea John Rehling 1975-5-8 63 Humboldt E of Humboldt State University Campus, Arcata Comment
  UC1199340  Micropus californicus var. californicus Joseph P. Tracy 1930-6-29 8827 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  UC1199445  Microseris laciniata subsp. laciniata Harold E. Parks and Joseph P. Tracy 1942-5-16 11569 Humboldt vicinity Garberville 152 Comment
  UC176457  Microseris laciniata subsp. laciniata Joseph P. Tracy 1912-7-21 3770 Humboldt Alton Northern Coast Region, Alton 30 Comment
  JEPS13230  Microseris laciniata subsp. laciniata Joseph P. Tracy 1934-7-6 13661 Humboldt at Sibley Ranch; Iaqua, Sibley Ranch 609 Comment
  SEINET11810183  Microseris laciniata subsp. leptosepala J. P. Tracy 1947-1 17828 Humboldt Horse Mountain 1128 Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  UC582733  Microseris nutans Joseph P. Tracy 1930-7-16 8901 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC349239  Microseris nutans E. B. Babcock 1932-6-25 405 Humboldt Humboldt-Trinity Counties, South Fork Mt. north slope 1828 Comment
  HSC39233  Microseris nutans D. E. Anderson, J. P. Smith 1971-7-6 - 1275 Humboldt Horse Mtn. Comment
  HSC58236  Microsteris gracilis Walter Overton 1979-8-1 12394 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  POM193012  Microsteris gracilis subsp. gracilis H. E. Parks, Joseph P. Tracy 1930-5-25 0795 Humboldt Laribee Valley. 793 Comment
  HSC98700  Mimulus alsinoides Cara Witte 2007-5-22 82 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1392 Comment
  HSC27389  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson 1970-10-31 287 Humboldt Beside railroad tracks at the N end of the Scotia Bluffs Comment
  HSC23725  Mimulus cardinalis Tim Baroni 1971-8-1 151 Humboldt 8 mi. E of Petrolia on the Mattole River Comment
  POM273295  Mimulus cardinalis Lyman Benson 1928-7-5 371 Humboldt 20 mi. South Garberville, North Coast mtn range, S. Fork Eel river 457 Comment
  UC1196772  Mimulus cardinalis Joseph P. Tracy 1924-8-10 6795 Humboldt 10 mi e Carlotta (near Strong's Station); Northern Coast Ranges 91 Comment
  UC162579  Mimulus cardinalis Joseph P. Tracy 1911-7-10 3480 Humboldt tributary of Trinity River (along Willow Creek near mouth); Northern Coast Ranges 243 Comment
  UC147914  Mimulus grandis J. P. Tracy 1900-8-5 911 Humboldt immediate vicinity Eureka 0 Comment
  HSC73600  Mimulus guttatus M. A. Baker 1980-7-22 3113 Humboldt Near Grogan Hole. 1676 Comment
  HSC60082  Mimulus kelloggii M. A. Baker 1978-5-6 500 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC102538  Mimulus moschatus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1524 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC24378  Mimulus moschatus J. O. Sawyer 1970-6-24 2253 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC55628  Mimulus moschatus Overton, Butler 1979-7-24 9626 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  RSA447970  Mimulus moschatus E. S. Spalding, Williamson 1924-7-11 s.n. Humboldt Arcata. Comment
  CDA30215  Mimulus pilosus M. K. Beyers, I. Shepardson 2009-9-13 238 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
  HSC72697  Mimulus pulsiferae Gail Newton 1980-6-24 583 Humboldt Near Ladder Rock 1570 Comment
  UC1196786  Mimulus pulsiferae Joseph P. Tracy 1908-6 2698 Humboldt opposite Buck Mountain (along stream); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC147905  Mimulus pulsiferae Joseph P. Tracy 1908-6 2698 Humboldt opposite Buck Mountain (along stream); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC183621  Minuartia californica Joseph P. Tracy 1913-5-4 4068 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC78916  Minuartia douglasii Jimerson, Imper 1982-5-17 1435 Humboldt Near Ashfield Ridge. 822 Comment
  HSC38489  Mitella caulescens D. E. Anderson, J. P. Smith 1971-6-18 - 1098 Humboldt In narrow canyon of the N Fork of Mad River, along Hwy. 299, E of Blue Lake Comment
  UC902093  Mitella diversifolia Joseph P. Tracy 1942-6-23 17235 Humboldt along trail from Hoopa to summit (near Box Camp); Trinity Summit 1524 Comment
  HSC32260  Moehringia macrophylla J. O. Sawyer 1970-6-24 2275 Humboldt W of Mill Creek Lakes. 1677 Comment
  UC1223238  Moehringia macrophylla Joseph P. Tracy 1951-6-26 19558 Humboldt halfway between Snow Camp and Twin Lakes ((at Charley Preston's old gate near the road)); between Snow Camp and Twin Lakes 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
  CAS-BOT-BC435065  Mollugo verticillata Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  SEINET6646077 Image available Mollugo verticillata Joseph P. Tracy 1920-1 5363 Humboldt Klamath River at Bluff Creek Comment
  HSC102085  Monardella odoratissima subsp. glauca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 989 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC36491  Monardella sheltonii Thomas W. Nelson, James Nelson 1975-9-3 2193 Humboldt Along N side of Ashfield Butte Comment
  HSC14282  Monardella villosa Paul Shields Jul 1955 Humboldt 3 mi. S of Myers Flat Comment
  RSA0022793  Monardella villosa subsp. subserrata C. Epling, Wm. Robinson 1935-7-24 s.n. Humboldt Dyerville. Comment
  UC1239680  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15429 Humboldt vicinity Garberville 121 Comment
  UC577347  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15425 Humboldt Vicinity of Garberville 121 Comment
  HSC26743  Moneses uniflora K. Irwin 1973-6-19 Humboldt S of road to Fern Canyon Comment
  JEPS13817  Moneses uniflora Joseph P. Tracy 1926-5-22 7515 Humboldt Northern Coast Ranges, Prairie Creek Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  CAS-BOT-BC445152  Montia parvifolia C. C. Harris; S. K. Harris 1936-6-12 3341 Humboldt On Chalk Mountain near Bridgeville. Comment
  RSA739606  Montia parvifolia John Dittes, Josephine Guardino 2003-6-7 2003 -64 Humboldt Outer N coast Range, 2.9 air mile NW of Legget, 5.2 air mile SE of Piercy, shaded rocks on eastern bank of S Fork Eel River. 183 Comment
  UC162970  Montia parvifolia Joseph P. Tracy 1908-6 2708 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  RSA322445  Montia parvifolia J. P. Smith 1973-5-26 6851 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC16101  Morella californica J. W. Johnson 1961-8-17 1045 Humboldt Edge of pond near barn, Lanphere Farm, Samoa Comment
  HSC62915  Morella californica J. M. DiTomaso 1979-4-1 835 Humboldt 3 mi. S of Arcata on Samoa Rd. Comment
  UC1197939  Morella californica Joseph P. Tracy 1924-1-20 6596 Humboldt Northern Coast Region. Around Humboldt Bay near Samoa Comment
  UC176040  Morella californica Joseph P. Tracy 1913-9-9 4394 Humboldt Northern Coast Ranges: Patrick's Point Comment
  HSC10393  Muhlenbergia filiformis J. P. Tracy 1930-7-16 8920 Humboldt Near McKay Camp. 1677 Comment
  UC1145147  Muhlenbergia mexicana Joseph P. Tracy 1916-9-5 4774 Humboldt 4 mi. above mouth of S. Fork Eel R.; S. Fork Eel R. 60 Comment
  JEPS70787  Myosotis discolor Joseph P. Tracy 1925-5-10 6963 Humboldt near Hydesville; North Coast Ranges 91 Comment
  HSC47657  Myosotis sylvatica Sheila Logan 1978-4-10 180 Humboldt Arcata Community Forest, near PSW Experimental Lab Comment
  SEINET6671220 Image available Myrica californica Joseph P. Tracy 1931-1 9332 Humboldt Dows Prairie Comment
  JEPS70235  Navarretia atractyloides Joseph P. Tracy 1925-7-12 7206 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC57199  Navarretia capillaris Griswold, Butler 1979-7-10 7101 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC908377  Navarretia divaricata Joseph P. Tracy 1932-7-17 10681 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC82413  Navarretia divaricata Thomas W. Nelson 1979-7-11 5033 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  UC52826  Navarretia divaricata subsp. vividior Chesnut and Drew 1888-7-23 Humboldt Hyampum Comment
  SEINET200374  Navarretia divaricata var. vividior Joseph P. Tracy 1908-7-27 2721 Humboldt Valley of Van Duzen River, opposite Buck Mountain 305 Comment
  JEPS70409  Navarretia intertexta subsp. propinqua Chesnut and Drew 1888-1 Humboldt Comment
  UC906686  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1947-7-5 17794 Humboldt Mud Springs , Mud Springs (Trinity Summit) 1371 Comment
  UC907952  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1930-7-10 8864 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1219 Comment
  UC1198527  Navarretia squarrosa Joseph P. Tracy 1927-8-7 8328 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC27618  Navarretia squarrosa Thomas W. Nelson 1973-7-24 1100 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  UC1103584  Navarretia viscidula Joseph P. Tracy 1923-6-18 6287 Humboldt Petrolia Northern Coast Ranges, Mattole Valley 30 Comment
  UC582718  Nemophila heterophylla Joseph P. Tracy 1937-5-17 15292 Humboldt Willow Creek , at Willow Creek (Trinity River Valley) 152 Comment
  HSC13571  Nemophila heterophylla Francis Winter 1960-4-24 Humboldt 2 mi. W of Hoopa Indian reservation, Bair Rd., near Supply Creek 305 Comment
  HSC97503  Nemophila menziesii var. atomaria C. Witte 2007-5-8 1 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC177171  Nemophila menziesii var. atomaria Joseph P. Tracy 1913-5-4 4061 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC67090  Nemophila parviflora Harley P. Chandler 1901-6-1 1537 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  RSA254745  Nemophila parviflora var. parviflora Thomas W. Nelson, James Nelson 1973-5-28 934 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC96247  Nemophila pedunculata Kaylea Eickhoff, Cara M. Witte 2005-6-15 13 Humboldt 14.1 mi. S of Hwy. 299 on NF1, 0.25 mi. NE of Grouse Mtn. 1400 Comment
  UC562590  Nemophila pedunculata Joseph P. Tracy 1927-3-27 7858 Humboldt near South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1196162  Nicotiana quadrivalvis Joseph P. Tracy 1940-10-17 16769 Humboldt 2 to 5 mi e South Fork (along Eel River); Eel River 45 Comment
  HSC8077  Notholithocarpus densiflorus F. Sandborg, J. Sandborg 1968-7-19 58 Humboldt Bluff Creek near Notice Creek 793 Comment
  UCD110194  Notholithocarpus densiflorus S. P. Lynch 1975-6-9 1371 Humboldt ca. 20.4 mi. E of Arcata on Hwy. 299, heading towards Willow Creek. Comment
  UCSB1031  Notholithocarpus densiflorus Muller, Cornelius 1954-6-21 Humboldt 8 mi. ESE of Mad River on road to Forest Glen Comment
  HSC41314  Notholithocarpus densiflorus var. echinoides Brad Klipfel 1974-9-2 541 Humboldt Horse Mountain Comment
  HSC49510  Nuphar polysepala R. York 1979-4-16 263 Humboldt Along Hwy. 101 across from Clam Beach between Westhaven and McKinleyville 0 Comment
  HSC60379  Nuphar polysepala J. M. DiTomaso 1979-4-22 908 Humboldt Crannell Rd. exit between Westhaven and McKinleyville Comment
  CAS-BOT-BC142296  Oemleria cerasiformis Doris K. Kildale 1926-3-2 1862 Humboldt Willow Creek Flat, Trinity River Valley 152 Comment
  HSC38297  Oemleria cerasiformis Thomas W. Nelson 1976-3-22 2276 Humboldt Beside Eureka Muni. Golf Course Comment
  HSC77345  Oemleria cerasiformis L. P. Janeway 1983-4-16 230 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  UC565992  Oemleria cerasiformis P. L. Johannsen 1933-5-17 76 Humboldt Limestairs; China Flat Quad. 182 Comment
  HSC12413  Oenothera glazioviana D. Santana 1970-11-2 98 Humboldt 1 mi. S of Trinidad Comment
  POM224766  Oenothera glazioviana P. A. Munz 1936-8-13 14384 Humboldt 7 miles east of Arcata. Comment
  SEINET10453198  Oenothera hookeri subsp. montereyensis Mary Susan Taylor 1982-10-24 Taylor 5186 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  CAS-BOT-BC171605  Oenothera wolfii L. R. Abrams 1918-6-16 7168 Humboldt Willow Creek Comment
  UCR45425  Onychium densum Thomas W. Nelson 1977-6-15 3452 Humboldt North Coast Range, [Horse Mountain] along old road to ski area 1372 Comment
  SEINET186016  Orobanche californica subsp. californica Joseph P. Tracy, H. E. Parks 1924-8-3 6761 Humboldt Big Lagoon 6 Comment
  UC1197450  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1908-6 2881 Humboldt Valley of Van Duzen River, opposite Buck Mountain. Comment
  HSC53930  Orthocarpus cuspidatus subsp. cuspidatus Terry Griswold, Marvin Butler 1979-7-11 6947 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek 1320 Comment
  HSC100677  Orthocarpus lithospermoides Carl C. Marshall Jun 1887 406 Humboldt Spruce Grove. Comment
  CDA38481  Osmorhiza berteroi Kaylea Eickhoff, Cara M. Witte 2005-6-1 7 Humboldt Coldspring Camp, 7.4 mi. south of Hwy. 299 on NF1. Comment
  UC642274  Osmorhiza occidentalis Joseph P. Tracy 1928-6-24 8462 Humboldt Valley of South Yager Creek 762 Comment
  HSC32844  Osmorhiza purpurea Thomas W. Nelson, Jane P. Nelson 1973-5-28 945 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC33182  Osmorhiza purpurea Thomas W. Nelson 1974-4-20 1185 Humboldt Near Elk Head N of Trinidad Comment
  HSC12761  Oxalis articulata subsp. rubra M. J. Athey 1970-11-8 12 Humboldt Along Arcata blvd., in Arcata. Comment
  HSC16728  Oxalis articulata subsp. rubra W. F. Nickel 1965-5-15 Humboldt 1/4 mi. E of Arcata on Rd. to Arcata Reservoir, near Jolly Giant parking lot. Comment
  CHSC19520  Oxalis oregana R. D. Modafferi 1965-5-1 66 Humboldt 0.5 mile south of Trinidad on old highway 101. Roadside. Comment
  CHSC32846  Oxalis oregana Lora L. Anderson 1981-4-25 3 Humboldt Ca. 1/2 mi s of Redwood Creek, 4 mi n on Redwood Valley Rd. off hwy 299 w 16 mi ne of Arcata. 457 Comment
  HSC70969  Oxalis oregana R. York 1980-5-17 545 Humboldt Near Le Perron Creek. 415 Comment
  HSC16705  Oxalis oregana D. K. Smith 1968-4-8 15 Humboldt On West End Rd., 3 mi. from Hwy. 299 Comment
  UC1103419  Oxalis oregana Joseph P. Tracy 1923-5-13 6199 Humboldt near Strong's Station (on Van Duzen River); Northern Coast Ranges 60 Comment
  HSC96576  Packera bolanderi var. bolanderi Gordon Leppig, Maralyn A. Renner 2005-6-7 2245 Humboldt Pacific Lumber Co. land, Redwood House Rd., Heley Creek Watershed 320 Comment
  HSC12343  Panicum capillare Steve Dorei 1970-10-31 126 Humboldt Scotia bluff area, N side of railroad tracks. Comment
  SEINET10609310  Panicum capillare var. brevifolium A. Arthur Heller 1924-7-20 Heller 13864 Humboldt Occasional in sand along the El River at Phillipsville, in the redwood belt. Comment
  RSA44527  Panicum oligosanthes var. scribnerianum Henry M. Pollard 1947-8-30 s.n. Humboldt Near Wilson Creek, on Klamath River, (near Orleans) Comment
  HSC23305  Papaver somniferum W. Wood Oct 1971 Humboldt McKinleyville Comment
  UC1222793  Parentucellia viscosa Joseph P. Tracy 1950-6-8 18759 Humboldt leading from the coast toward Petrolia; Domingo Hill Comment
  HSC41014  Paxistima myrsinites J. P. Smith, J. O. Sawyer 1976-5-2 8636 Humboldt 8 mi. W of Loop Rd. on Hoopa Reservation along Redwood Creek-Hoopa Rd. Comment
  HSC73582  Pellaea brachyptera Gail Newton 1980-7-14 1489 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC44531  Penstemon anguineus Brad Klipfel 1973-7-1 139 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC577417  Penstemon anguineus Joseph P. Tracy 1932-7-12 10454 Humboldt near Corral Prairie (Fir woods); Trinity Summit, Corral Prairie 1584 Comment
  JEPS86690  Penstemon anguineus L. R. Heckard with T. I. Chuang 1990-7-15 6769 Humboldt ca 15 mi n Highway 36 (South Fork Mountain Rd); South Fork Mountain Rd., n of Hwy 36 1700 Comment
  RSA21441  Penstemon anguineus Carl B. Wolf 1937-8-12 9205 Humboldt North Coast Range, South Fork Mt., Trinity Co line. 1585 Comment
  RSA420442  Penstemon anguineus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2907 Humboldt Along east side of Red Lassic; beside road 1S07. 1677 Comment
  SEINET200709 Image available Penstemon anguineus Joseph P. Tracy 1936-8-8 15130 Humboldt On Ridge 2 miles east of Groves Pairie, Trinity Summit. 1520 Comment
  HSC102131  Penstemon deustus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1035 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  JEPS28976  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1940-5-5 16544 Humboldt Garberville Garberville (along river) 152 Comment
  HSC73566  Penstemon laetus subsp. sagittatus Gail Newton 1980-7-14 1503 Humboldt Near Last Chance Ridge 1219 Comment
  RSA517741  Penstemon newberryi subsp. berryi W. K. Parks 1933-07 s.n. Humboldt South Fork Mountain. Comment
  UC577358  Penstemon newberryi var. berryi Joseph P. Tracy 1932-7-12 10472 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  CDA41849  Penstemon parvulus Peter Haggard 1993-7-22 PDR# 1061613 Humboldt Bair Road southwest of Hoopa. 0 Comment
  HSC63142  Penstemon procerus var. brachyanthus M. A. Baker 1979-6-27 932 Humboldt E of Oregon Creek, at the head of Grogan Hole Comment
  HSC39394  Penstemon purpusii D. E. Anderson, J. P. Smith 1971-7-6 - 1279 Humboldt Horse Mtn. Comment
  HSC35941  Penstemon rattanii Thomas W. Nelson, Jane Nelson, James Nelson 1975-7-15 2025 Humboldt Beside Bald Hills Rd., just E of Redwood National Park Comment
  HSC1077  Pentagramma triangularis D. E. Anderson 1965-11-21 4170 Humboldt 3-4 mi. S of Weitchpec along rd. to Hoopa Comment
  RSA0094699  Pentagramma triangularis Ira L. Wiggins 1957-6-21 14139 Humboldt On E side of road, 1 mi. S of Garberville. Comment
  HSC56312  Perideridia kelloggii Overton, Butler 1979-8-2 12645 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1389970  Perideridia kelloggii T. I. Chuang and B. G. Briggs 1963-4-10 5088 Humboldt 4 mi e Myers Flat Comment
  HSC98906  Perideridia kelloggii Cara Witte 2008-8-16 1029 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1579 Comment
  HSC56012  Perideridia parishii subsp. latifolia Gilbert Muth 1979-7-31 11495 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC64431  Persicaria maculosa J. P. Smith 1971-10-6 4950 Humboldt End of Murray Rd. in McKinleyville. Comment
  CHSC114378  Persicaria wallichii B. Villegas; Bruce Bryan 2009-10-6 Humboldt Near Trinidad; Patricks Point Drive at Seawood Drive, east of Hwy 101. 91 Comment
  HSC79486  Petasites frigidus var. palmatus Kenneth Clark 1980-3-23 534 Humboldt South fork of Dead Man's Gulch 38 Comment
  POM287461  Phacelia bolanderi Lyman Benson 1928-7-12 484 Humboldt Woods across South Fork Eel River from Weott Ranger Station; seaward north coast mt. range. 61 Comment
  CDA40417  Phacelia heterophylla subsp. virgata Kaylea Eickhoff, Cara M. Witte 2005-6-8 6 Humboldt Northwestern California; 1.7 miles south of Hwy 299 on Titlow Hill Road. Comment
  UC660089  Phacelia heterophylla subsp. virgata G. L. Stebbins Jr. 1941-5-27 3111 Humboldt 1/4 mi w Bridgerville (on hwy to Eureka) Comment
  UC1222899  Phacelia mutabilis Joseph P. Tracy 1951-6-26 19564 Humboldt Snow Camp 1402 Comment
  HSC99429  Phacelia procera K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 78 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS1090  Phacelia procera Joseph P. Tracy 1932-7-12 10431 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC258864  Phalaris aquatica Henry M. Pollard 1947-9-1 s.n. Humboldt Field near Perch Creek, Orleans region Comment
  CAS-BOT-BC258964  Phalaris californica John Thomas Howell 1937-7-31 13718 Humboldt Between Redwood Creek and Korbel Comment
  HSC100894  Phlox adsurgens Carl C. Marshall Jun 1886 324 Humboldt Trail E of Hoopa. Comment
  UC52674  Phlox adsurgens P. E. Goddard 1901-7-8 31 Humboldt Hupa Comment
  HSC100895  Phlox douglasii Carl C. Marshall Jun 1886 349 Humboldt Trinity Summit. Comment
  UC906692  Phlox gracilis Joseph P. Tracy 1942-6-23 17403 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC140584  Physocarpus capitatus Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC1354  Picea sitchensis J. W. Johnson 1962-4-29 1295 Humboldt W.M. Lanphere Farm, Samoa Peninsula, Arcata. Comment
  NY34417  Picea sitchensis A. Kellogg 1868-1 935 Humboldt Comment
  UC484045  Picea sitchensis Carl B. Wolf 1930-10-28 Humboldt 5 mi s Ferndale (on road to Petrolia) 152 Comment
  UCSB21640  Picea sitchensis Haller, John 1967-6-17 Humboldt East side of Stone Lagoon near U.S. 101, 5 miles S. of Orick 15 Comment
  JEPS46797  Pinus attenuata P. E. Goddard 1901-1 Humboldt Hupa region Comment
  RSA20776  Pinus attenuata C. B. Wolf 1937-8-13 9240 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  SD41322  Pinus contorta Edith A. Purer 1932-7-27 4132 Humboldt Samoa, near Arcata Comment
  HSC54523  Pinus jeffreyi Overton, Butler 1979-7-23 9455 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  RSA46880  Pinus lambertiana Doris K. Kildale 1926-9-5 2611 Humboldt Lassecks Peaks. 1570 Comment
  HSC54534  Pinus monticola Overton, Butler 1979-7-23 9483 Humboldt Near Horse Mtn. Creek 1326 Comment
  CAS-BOT-BC79030  Pinus ponderosa Doris K. Kildale 1927-12-1 4199 Humboldt Klamath River at Orleans Comment
  UC1488745  Piperia elegans J. D. Ackerman 1974-8-13 405 Humboldt ca 2 mi n Manila (between sand dunes and Mad River Slough) Comment
  UC1222185  Piperia unalascensis Joseph P. Tracy 1950-6-15 18819 Humboldt 7 mi n Harris (at Huestis Rock, on ne side of Mail Ridge); Mail Ridge, Huestis Rock 822 Comment
  UC1196413  Piperia unalascensis Joseph P. Tracy 1926-5-2 7416 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1239619  Plagiobothrys nothofulvus Joseph P. Tracy 1933-5-20 12243 Humboldt Mattole Valley near Petrolia; Northern Coast Ranges 30 Comment
  JEPS68092  Plagiobothrys nothofulvus W. L. Jepson 1902-6-20 1905 Humboldt = Mail Ridge Fort Seward Ranch Ridge = Mail Ridge 1219 Comment
  UC1541669  Plagiobothrys reticulatus H. E. and S. T. Parks July 1937 24042 Humboldt Trinidad, Spruce Cove Comment
  JEPS61000  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1935-6-2 13923 Humboldt Big Lagoon 3 Comment
  JEPS60979 Image available Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1903-5-22 1878 Humboldt Alder Point Flat Eel River Comment
  UC1196143  Plantago erecta Joseph P. Tracy 1919-4-27 5133 Humboldt opposite Eureka (Ocean Beach at Samoa); Humboldt Bay, Samoa, Ocean Beach Comment
  UC1196145  Plantago erecta Joseph P. Tracy 1946-6-2 17553 Humboldt near Samoa; Humboldt Bay 6 Comment
  POM161948  Plantago hirtella var. galeottiana Joseph P. Tracy 1921-7-10 5849 Humboldt Big Lagoon. 6 Comment
  POM61312  Plantago hirtella var. galeottiana Joseph P. Tracy 1906-6-17 2493 Humboldt Immediate vicinity of Eureka. 0 Comment
  HSC84042  Plantago lanceolata C. J. Thomas 1983-5-9 29 Humboldt Adjacent to Hwy. overpass walkway near HSU 23 Comment
  RSA247394  Plantago lanceolata Gary D. Wallace 1966-9-12 706 Humboldt East of Arcata near Willow Creek along Hwy 299. 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
  UC1196414  Platanthera sparsiflora Joseph P. Tracy 1948-9-5 18197 Humboldt head of Little Hors-Linto Creek Trinity Summit 1371 Comment
  HSC98719  Platanthera sparsiflora Cara Witte 2008-7-1 792 Humboldt Near Grouse Mountain spring. Along Forest Service Road 5N04. 1/4 mile east of intersection with 4N70. 1583 Comment
  CAS-BOT-BC91642  Platystemon californicus W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula. Comment
  UC146077  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach (at Humboldt Bay); Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  JEPS51579  Platystemon californicus W. L. Jepson 1902-6-20 1902 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC146098  Platystemon californicus Joseph P. Tracy 1904-5-1 2046 Humboldt near Bucksport (region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  HSC35030  Plectritis congesta Thomas W. Nelson, James Nelson 1975-5-24 1842 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC45385  Pleuricospora fimbriolata R. York 1978-5-20 174 Humboldt Along Bluff Creek trail. 610 Comment
  JEPS109805  Pleuropogon refractus Dean W. Taylor 2004-6-24 19141 Humboldt head of Madden Creek, Ammon Ridge, seepage area along logging spur road arterial to Forest Road 5N81 1432 Comment
  RSA183537  Pleuropogon refractus H. S. Logsdon 1964-5-10 12 Humboldt 4 miles NE of Orick at Boye's Prairie Comment
  UC1152046  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  UC1258206  Pleuropogon refractus Paul But Aug 1977 P 47 Humboldt Jacoby Creek Comment
  UCD90104  Pleuropogon refractus R. Tofsrud 1949-7-22 s.n. Humboldt on road between Scotia and Capetown. Comment
  HSC10626  Poa annua William J. Ferlatte 1963-5-8 39 Humboldt Near 11th and B Sts., Arcata. Comment
  HSC10642  Poa bolanderi C. S. Chavez 1965-5-7 67 Humboldt Redwood forest behind H.S.C. campus. Comment
  HSC73248  Poa bulbosa M. A. Baker 1980-5-18 1312 Humboldt Near Black Mtn. 1006 Comment
  HSC10694  Poa douglasii J. W. Johnson 1961-9-4 1101 Humboldt Christenson Farm, Samoa Peninsula, Arcata. Comment
  UC70825  Poa douglasii Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6181 Humboldt Ferndale Comment
  UCD91134  Poa howellii Al Murphy 1949-6-8 s.n. Humboldt W.O. Perry 1/2 mile below house on ranch road. Comment
  UCD90523  Poa kelloggii Harley P. Chandler 1901-5-1 1183 Humboldt Humboldt Bay. 30 Comment
  HSC90698  Poa macrantha Gail Newton 1982-6-5 3576 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC102626  Poa pratensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC58823  Poa pratensis G. L. Clifton, Griswold 1979-8-2 12279 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC102232  Poa pratensis subsp. pratensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1153 Humboldt Patterson Meadows 1566 Comment
  HSC98797  Poa secunda subsp. secunda Cara Witte 2008-6-11 712 Humboldt National Forest Road 5N10. 2.5 miles south of intersection with Forest Service Road 5N41. 1303 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
  UCD92047  Poa secunda subsp. secunda Joseph P. Tracy 1951-6-26 19543 Humboldt 2 miles W of the Snow Camp. At Beck's Place, Hydesville. (Same place from which Mr. Murphy's (UC Davis) test plots of this species were taken). 1219 Comment
  HSC10808  Poa trivialis E. W. Styskel 1963-5-19 42 Humboldt 3 mi. SE of Korbel on Snow Camp Rd. 305 Comment
  CAS-BOT-BC244205  Poa unilateralis Joseph P. Tracy 1927-6-8 8113 Humboldt Trinidad. Bluffs facing ocean Comment
  UC525622  Poa unilateralis Joseph P. Tracy 1927-6-8 8113 Humboldt Trinidad, bluffs facing ocean Trinidad; Northern Coast Region 60 Comment
  UC1222708  Polemonium carneum Joseph P. Tracy 1950-6-8 18736 Humboldt Bear River Ridge 609 Comment
  HSC77513  Polycarpon tetraphyllum K. Berg 1984-5-6 567 Humboldt Stone Lagoon Spit. Comment
  JEPS43005  Polygala californica W. L. Jepson 1932-7-30 16459 Humboldt Bull Creek 121 Comment
  SD53201  Polygala californica Darley F. Howe 1962-5-21 3292 Humboldt 16 miles north of Garberville on #101 60 Comment
  HSC99087  Polygala cornuta var. cornuta Cara Witte 2008-7-25 927 Humboldt Horse Mountain Botanical Area. At intersection of 6N36B and Forest Service Road 6N36A. 1355 Comment
  UC1222333  Polygonum bistortoides Joseph P. Tracy 1950-6-25 18895 Humboldt in meadow 3 mi s Burr Valley (by roadside near the Sproston Place, on road to the Albee Place) 1158 Comment
  UC146191  Polygonum californicum Joseph P. Tracy 1908-6 2922 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UCD100266  Polygonum douglasii Joseph P. Tracy 1947-8-24 17922 Humboldt Box Camp Trail, Trinity Summit. 1676 Comment
  UC146188  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1908-6 2766 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC101995  Polygonum douglasii var. douglasii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 894 Humboldt Patterson Meadows 1566 Comment
  HSC54878  Polygonum minimum G. L. Clifton, Griswold 1979-7-25 10873 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  BLMAR58  Polygonum paronychia Jennifer Anthony-Wheeler 1994-3-1 58 Humboldt Samoa/manilla dunes, growing throughout the coastal dunes 12 Comment
  CAS-BOT-BC109180  Polygonum paronychia Joseph P. Tracy 1911-5-30 3200 Humboldt Region about Humboldt Bay. At Bucksport. 152 Comment
  UCSB15544  Polygonum paronychia Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay. Comment
  HSC75436  Polygonum parryi J. O. Sawyer 1980-7-18 3592 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC672980  Polygonum phytolaccifolium Joseph P. Tracy 1933-7-25 12840 Humboldt Grouse Mountain; near springs 1524 Comment
  CAS-BOT-BC419955  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt South Fork Mountain. Near McKay Camp. 1676 Comment
  JEPS51274  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1930-7-17 9010 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CDA2921  Polygonum polystachyum T. C. Fuller 1961-9-27 7042 Humboldt Highway 101 2.5 miles north of Trinidad. 0 Comment
  HSC75955  Polygonum spergulariiforme Overton, Butler 1979-7-24 9730 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CAS-BOT-BC76875  Polypodium glycyrrhiza M. S. Jussel 1931-5-2 94 Humboldt Sylvandale, 8 miles N of Garverville. Comment
  JEPS19017  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  HSC1108  Polypodium glycyrrhiza T. W. Beck 1963-3-10 11 Humboldt Camp Bauer, Korbel Comment
  RSA689963  Polypodium scouleri May N. Ackley 1936-8-15 375 Humboldt Patrick s Point Comment
  RSA689964  Polypodium scouleri Charlotte M. Hoak 1936-8-15 374 Humboldt Patricks Point Comment
  RSA689965  Polypodium scouleri Charlotte M. Hoak 1936-8-15 376 Humboldt Patricks Point Comment
  UC370621  Polypodium scouleri H. E. Parks June 1925 3232 Humboldt Orick Comment
  HSC1116  Polypodium scouleri Gene S. Van Horn 1962-5-26 33 Humboldt 250 E 17th St., Arcata 61 Comment
  HSC35692  Polypodium scouleri Thomas W. Nelson 1975-1-16 1746 Humboldt E of HSU campus Comment
  CAS-BOT-BC233071  Polypogon interruptus Joseph P. Tracy 1927-7-16 8261 Humboldt Eureka 60 Comment
  HSC10825  Polypogon interruptus J. P. Tracy 1927-7-16 8261 Humboldt Eureka 0 Comment
  JEPS72934  Polypogon interruptus Lincoln Constance 1934-5-31 766 Humboldt n side of Bull Creek from w boundary of park to Grasshopper Pk. (Squaw Cr.) Bull Creek Region (Bull Cr. Flat, Bull Creek Region, South Fork Eel River); South Fork Eel River, , along Bull Creek Comment
  JEPS82390  Polypogon interruptus A. S. Hitchcock 1915-7-13 839 Humboldt Eureka Comment
  UC1145080  Polypogon interruptus Joseph P. Tracy 1938-8-28 16137 Humboldt Trinidad; Coast bluffs, Trinidad 6 Comment
  UCSC000004  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile N.E. of Samoa 3 Comment
  HSC26168  Polypogon monspeliensis J. P. Smith 1970-6-7 3798 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  UC39746  Polypogon monspeliensis Harley P. Chandler June 1901 1431 Humboldt sandy banks Klamath River; North Coast Ranges, Klamath River 335 Comment
  UC50607  Polypogon monspeliensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-15 5549 Humboldt near Scotia; near Scotia Comment
  UC906712  Polystichum Harold E. Parks and Joseph P. Tracy 1942-5-16 11547 Humboldt half way between Miranda and Garberville 152 Comment
  HSC102542  Polystichum imbricans M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1533 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC70749  Polystichum imbricans R. York 1980-5-17 534 Humboldt Near Le Perron Peak 1066 Comment
  UCD39987  Polystichum imbricans subsp. curtum Rodney Gale Myatt 1971-9-22 1198 B Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  CAS-BOT-BC76664  Polystichum munitum Doris K. Kildale 1926-7-22 2414 Humboldt Metropolitan, woods near Canyon Park. Comment
  HSC49919  Polystichum munitum Maralyn O'Meara 1973-2-9 122 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  HSC70930  Polystichum munitum R. York 1980-5-18 559 Humboldt Near Black Mtn. 1006 Comment
  RSA46706  Polystichum munitum Doris K. Kildale 1929-3-10 6944 Humboldt Bug Creek Comment
  SDSU276  Polystichum munitum D. R Harvey 1938-8-13 2251 Humboldt Redwood Park. Comment
  RSA66879  Polystichum munitum P. A. Munz 1951-7-15 16551 Humboldt Racoon Creek. 305 Comment
  CAS-BOT-BC102904  Populus trichocarpa Doris K. Kildale 1926-7-18 2390 Humboldt Redwood Creek at Orick 30 Comment
  JEPS64554  Populus trichocarpa W. L. Jepson 1932-8-6 16494 Humboldt Garberville Comment
  UC1099846  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-9 1229 Humboldt 1 mi n of Arcata (at junction of Highways 101 and 299); Mad River Valley Comment
  CAS-BOT-BC143078  Potentilla anserina subsp. pacifica Carl B. Wolf 1927-8-22 792 Humboldt Big Lagoon Comment
  HSC38918  Potentilla anserina subsp. pacifica Linda M. Barker 1976-6-1 1556 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC90766  Potentilla anserina subsp. pacifica Gail Newton 1982-5-5 2519 Humboldt Elk River Wildlife Area, Eureka Comment
  CAS-BOT-BC143073  Potentilla anserina subsp. pacifica Henry M. Pollard 1947-8-26 s.n. Humboldt Klamath Riverbed, Ferrian's Ranch (nr. Orleans) Comment
  UC1191497  Potentilla anserina subsp. pacifica Malcolm A. Nobs, S. Galen Smith 1949-8-3 1161 Humboldt 1 mi s Fields Landing; Eel River Valley, s of Fields Landing Comment
  UC420576  Potentilla gracilis P. E. Goddard 1906-6 668 Humboldt Lasseck Pk Comment
  HSC35611  Potentilla gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2023 Humboldt Beside Bald Hills Rd. 1 mi. E of Redwood National Park Comment
  HSC75470  Potentilla gracilis var. fastigiata J. O. Sawyer 1980-7-18 3617 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC158492  Potentilla gracilis var. gracilis Doris K. Kildale 1927-7-10 3721 Humboldt Gans Prairie - on Bald Hills road 609 Comment
  HSC97913  Prosartes hookeri Cara Witte 2007-6-13 268 Humboldt Along Forest Service Rd. 5N04. Approximately 1 mile east of intersection to Grouse Mountain Lookout. 1534 Comment
  CAS-BOT-BC517512  Prosartes smithii Alice Eastwood 1907-4-22 29 Humboldt Part Trinidad Comment
  SEINET12044820  Prosartes smithii Unknown 1933-1 3413 Humboldt Dyerville, South Fork of Eel River Comment
  SEINET12050377  Prosartes smithii F. H. Utech 1988-1 88 -271 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Mile Marker 11.40, Van Duzen County Park 50 Comment
  SEINET8477185  Prosartes smithii W. Roderick 1967-7-22 s.n. Humboldt Trinidad. 15 Comment
  HSC22507  Prunella vulgaris subsp. lanceolata J. R. Lippincott 1967-7-16 5 Humboldt Near N Fork Mad River bridge 152 Comment
  POM283387  Prunella vulgaris var. lanceolata Lyman Benson 1928-7-12 404 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA46894  Prunus virginiana var. demissa Doris K. Kildale 1927-5-20 3240 Humboldt Bug Creek. Comment
  UC467868  Prunus virginiana var. demissa P. E. Goddard 1906-6 671 Humboldt Lassecks Peak (=Signal Peak) Lassecks Peak Comment
  CAS-BOT-BC356656  Pseudognaphalium californicum Joseph P. Tracy 1938-6-20 15971 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  JEPS20479  Pseudognaphalium ramosissimum Joseph P. Tracy 1936-8-24 15169 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UCD134980  Pseudognaphalium ramosissimum Linda M. Barker 1976-8-2 1678 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC357447  Pseudognaphalium ramosissimum Joseph P. Tracy 1928-9-9 8506 Humboldt Northern Coast Ranges. Carlotta 60 Comment
  HSC99550  Pseudotsuga menziesii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 215 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1223051  Psilocarphus oregonus Joseph P. Tracy 1947-6-25 17720 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  HSC38933  Pteridium aquilinum var. pubescens Linda M. Barker 1976-5-13 1480 Humboldt 3 mi. W of Arcata. Comment
  CAS-BOT-BC460597  Pyrola aphylla Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  SJSU909  Pyrola asarifolia J. W. Tilden 1946-6-21 1013 Humboldt Bluff Cr c. 1.5 mi above Klamath R Comment
  HSC44551  Pyrola crypta Brad Klipfel 1973-7-15 170 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC54554  Pyrola dentata Overton, Butler 1979-7-24 9560 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  JEPS58818  Pyrola dentata Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  UC1197577  Pyrola picta Joseph P. Tracy 1933-7-25 12876 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC314639  Pyrola picta Joseph P. Tracy 1926-6-6 7564 Humboldt Hoopa Mountain. On road west from Hoopa Valley 914 Comment
  CAS-BOT-BC62630  Quercus chrysolepis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC62671  Quercus chrysolepis Doris K. Kildale 1926-9-5 2646 Humboldt Signal Peak - Lassiks Peaks 1791 Comment
  HSC40146  Quercus chrysolepis Thomas W. Nelson, James Nelson 1976-10-25 3277 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC54661  Quercus chrysolepis Overton, Butler 1979-7-25 9887 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  UC203862  Quercus chrysolepis Joseph P. Tracy 1918-9-29 5109 Humboldt 4 mi above mouth of South Fork Eel River; North Coast Ranges, South Fork Eel River 60 Comment
  UCD82872  Quercus chrysolepis Rodney Gale Myatt 1971-9-21 1185 -14 Humboldt Near Orleans, northeast of Hoopa Reservation, along Klamath River. 185 Comment
  UCD46155  Quercus garryana var. garryana W. L. Colwell 1957-9-4 53 Humboldt Near Board Camp Mountain, 18 miles southeast of Korbal, near Six Rivers National Forest, Humboldt County. 1371 Comment
  CAS-BOT-BC105166  Quercus kelloggii Doris K. Kildale 1928-7-1 5312 Humboldt Klamath River at N of Bluff Creek Comment
  SEINET4291710 Image available Quercus kelloggii Unknown 1966-1 660024 Humboldt Avenue of Giants, near Phillipsville. Comment
  UCD46702  Quercus kelloggii W. L. Jepson 1903-6-9 2203 Humboldt Harris Ridge. 1127 Comment
  HSC98273  Quercus vacciniifolia Blaze Baker, Matthew Barmann, Michael Max Hentz 1993-4-30 2 Humboldt Horse Mtn. near the radio towers on the uphill side of 6N36 1510 Comment
  UC1196510  Quercus wislizeni Joseph P. Tracy 1938-6-9 15883 Humboldt North Dobbyn Creek Dobbyn Creek 152 Comment
  HSC18212  Ranunculus flammula var. ovalis R. D. Modafferi 1965-5-13 71 Humboldt 2.3 mi. N of Trinidad on Trinity St. 305 Comment
  HSC100620  Ranunculus occidentalis Carl C. Marshall May 1886 95 Humboldt Near Scottsville. Comment
  UC162861  Ranunculus occidentalis Joseph P. Tracy 1903-5-24 1908 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  UCD96942  Ranunculus occidentalis R. N. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC98685  Ranunculus occidentalis var. occidentalis Cara Witte 2008-6-7 685 Humboldt Along National Forest 1. Approximately 4 miles south of intersection National Forest 1 and 5N04. 1441 Comment
  SEINET6908793  Ranunculus occidentalis var. occidentalis Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  UC249652  Ranunculus parviflorus Joseph P. Tracy 1922-5-21 6053 Humboldt Blue Lake Northern Coast Ranges (depression by roadside) 30 Comment
  UC535740  Ranunculus repens Eleanor Armstrong 1170 Humboldt Richardson Grove Comment
  CHSC1495  Ranunculus repens var. repens M. Underhill 1952-7-13 Humboldt 1 Comment
  HSC56061  Ranunculus uncinatus G. L. Clifton, Griswold 1979-7-31 11703 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC56103  Ranunculus uncinatus G. L. Clifton 1979-7-31 11830 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC28225  Raphanus sativus Thomas W. Nelson 1971-4-12 374 Humboldt Hookton Rd. at the junction of Copenhagen Rd. Comment
  UC592714  Rhamnus californica subsp. californica Carl B. Wolf 1934-6-30 Humboldt back of Shelter Cove 60 Comment
  RSA19036  Rhamnus californica subsp. occidentalis J. T. Howell 1937-7-31 13717 Humboldt 5 miles E of Berry Summit Comment
  UC912384  Rhamnus californica subsp. occidentalis Herbert L. Mason 1932-7-21 7109 Humboldt on road to Arcata to Weaverville (e slope of Southfork Mountains); Southfork Mountains Comment
  POM12395  Rhamnus purshiana P. E. Goddard 1906-1 655 Humboldt Blockburg Comment
  RSA2933  Rhamnus purshiana Carl B. Wolf 1931-8-30 2373 Humboldt E side of Eureka on P st, on block N of Henderson Street. 30 Comment
  UC18569  Rhamnus purshiana Harley P. Chandler May 1901 1173 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC7831  Rhododendron columbianum J. Pursell 1964-10-6 1061 Humboldt Big Lagoon Bog Comment
  CAS-BOT-BC56611  Rhododendron macrophyllum Doris Kildale 1931-5-16 10694 Humboldt Camp 20, LBSJ Trinidad Comment
  UC1193361  Rhododendron macrophyllum R. H. Neuns 1950-10-10 137 Humboldt 2 mi ne of Thorne (Quadrangle 29C3) 335 Comment
  UC1197792  Rhododendron occidentale Joseph P. Tracy 1921-6-19 5837 Humboldt along road between Three Creeks and mouth of Willow Creek (above Koby's); Northern Coast Ranges 609 Comment
  CAS-BOT-BC200383  Rhododendron occidentale var. paludosum Doris K. Kildale 1925-4-19 618 Humboldt Liscom Hill near Essex, Lower Mad River Comment
  CAS-BOT-BC200388  Rhododendron occidentale var. paludosum Doris K. Kildale 1927-6-26 3589 Humboldt Patrick's [Patricks] Point Comment
  HSC41281  Rhododendron occidentale var. paludosum Brad Klipfel 1974-6-25 442 Humboldt Horse Mtn. Comment
  UC492203  Ribes binominatum Joseph P. Tracy 1932-7-13 10487 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC92880  Ribes bracteosum W. R. Dudley 1899-6-21 s.n. Humboldt Engelwood Brook-Eel River. Comment
  HSC37423  Ribes bracteosum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 513 Humboldt Along Lost Man Creek. 38 Comment
  HSC103197  Ribes lacustre Jade Paget-Seekins 2010-7-5 38 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  HSC103234  Ribes lacustre Jade Paget-Seekins 2010-6-26 29 Humboldt On Long Ridge Road, up Big Hill Road outside of Hoopa. 1274 Comment
  UC1198916  Ribes lacustre Joseph P. Tracy 1942-6-23 17250 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC176806  Ribes laxiflorum H. E. Parks; S. T. Parks 1937-6-4 24004 Humboldt Along Prairie Creek at Valley Green Comment
  HSC97311  Ribes laxiflorum M. Mesler 2007-3-23 744 Humboldt Near Trinidad, trail from Mill Creek to Elk Head, along creek near beach. 23 Comment
  POM237433  Ribes laxiflorum S. T. Parks 1937-6-4 24004 Humboldt Along Prairie Creek at Valley Green Comment
  HSC103226  Ribes lobbii Jade Paget-Seekins 2010-6-23 24 Humboldt Horse Mountain. Slightly less than 10 miles up Titlow Hill Road, on Forest Route 1. Near 'Road Narrows' sign. 1558 Comment
  UC673202  Ribes lobbii Lincoln Constance, Reed C. Rollins 1942-5-11 2864 Humboldt 8 mi e Blue Lake (near summit); North Coast Ranges Comment
  UC902101  Ribes lobbii Joseph P. Tracy 1942-6-23 17234 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC103200  Ribes marshallii Jade Paget-Seekins 2010-7-5 34 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  HSC57640  Ribes marshallii G. L. Clifton, Griswold 1979-7-25 10804 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  SEINET3119071 Image available Ribes marshallii Unknown 1932-7-15 s.n. Humboldt Trinity Summit, Ridges East of Corral Prairie 1829 Comment
  UC1198931  Ribes menziesii J. P. Tracy 1905-3-26 2153 Humboldt immediate vicinity Eureka 0 Comment
  HSC74469  Ribes roezlii Gail Newton 1980-7-23 1719 Humboldt Near Packsaddle Ridge 1463 Comment
  CAS-BOT-BC198869  Ribes roezlii var. amictum Alice Eastwood 1939-3-19 18898 Humboldt Bolling Grove Comment
  HSC45099  Ribes roezlii var. amictum R. Sutherland 1978-4-23 15 .23478 Humboldt 716 Comment
  BLMAR269  Ribes roezlii var. cruentum Jennifer Anthony-Wheeler 1999-7-30 269 Humboldt Lacks Creek, growing in Hupa mt quad 1219 Comment
  CAS-BOT-BC198897  Ribes roezlii var. cruentum Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  HSC31647  Ribes roezlii var. cruentum Timothy B. Devine 1974-5-4 314 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  UCR10838  Ribes roezlii var. cruentum Sue De Groot 1962-6-14 113 Humboldt North Coast Range, hillside west of Richardson Grove, Eel River drainage to Pacific 122 Comment
  CAS-BOT-BC198937  Ribes roezlii var. roezlii Joseph P. Tracy 1937-3-27 15240 Humboldt Near Blue Lake, along Mad River 15 Comment
  CHSC24919  Ribes sanguineum M. B. Simpson 1976-4-10 19 Humboldt On w bank of West Haven Creek, ca. 20 yds n of Wagon Wheel Road, ca. .1 mi e of West Haven Dr, ca. 13 mi n of Arcata. 121 Comment
  HSC34626  Ribes sanguineum Pamela Bruce 1975-4-8 1 Humboldt 0.5 mi. N of School Rd. on Washington Ave. Comment
  HSC45232  Ribes sanguineum M. Alcasas 1978-6-3 115 Humboldt Titlow Hill Rd., 1.5 mi. from Hwy. 299 1463 Comment
  HSC70756  Ribes sanguineum R. York 1980-5-17 527 Humboldt Near Le Perron Peak 1066 Comment
  HSC71224  Ribes sanguineum Thomas W. Nelson 1977-4-20 3332 Humboldt Along USFS Road 1N15 at summit 915 Comment
  UC1222368  Ribes sanguineum Joseph P. Tracy 1950-5-6 18642 Humboldt near head Willow Creek Canyon (along Trinity Highway) Comment
  UC902056 Image available Ribes sanguineum Joseph P. Tracy 1942-6-23 17238 Humboldt near Box Camp; Trinity Summit 1524 Comment
  SEINET13942795 Image available Ribes sanguineum Michalski, Hopson & Raum 1987-1 69 Humboldt T6N, R4E, Sec 19; Titlow Hill Rd, 0.5 mile from 299; 24 miles east of Blue Lake; Lord-Ellis Summit, 2800 ft. 853 Comment
  CAS-BOT-BC144686  Ribes sanguineum var. glutinosum Lincoln Constance; Reed Rollins 1942-5-11 2866 Humboldt Near summit 8 miles east of Blue Lake Comment
  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
  HSC13252  Ribes sanguineum var. glutinosum D. E. Anderson 1962-1-12 1907 Humboldt Along road to Lanphere's Comment
  HSC93267  Ribes sanguineum var. glutinosum Gordon Leppig 1998-3-25 723 Humboldt McKinleyville, Central Ave. 43 Comment
  RSA0018247  Ribes sanguineum var. glutinosum Lyman Benson 1928-7-10 615 Humboldt Clam Beach, Trinidad. 30 Comment
  UC463025  Ribes victoris E. B. Copeland 1931-8-18 Humboldt below Densmore; Van Duzen River Comment
  RSA168871  Rigiopappus leptocladus Joseph P. Tracy 1950-7-6 18996 Humboldt Two miles south of Burr Valley on the Albee Road. 1159 Comment
  UC673227  Romanzoffia californica Lincoln Constance and Reed C. Rollins 1942-5-11 2870 Humboldt 3 mi. e. E. Fork Willow Creek; North Coast Ranges Comment
  HSC59061  Romanzoffia californica Thomas Wood 1979-4-20 124 Humboldt At Trinidad Bay 2 Comment
  UC775205  Romanzoffia tracyi H. E. and S. T. Parks 1933-3-1 5269 Humboldt Spruce Cove 2 mi n of Trinidad; Spruce Cove Comment
Read comments
Jun 26 2012
  UC198651  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, along Eel River 60 Comment
  UC302165  Rosa Joseph P. Tracy 1923-9-30 6563 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC146489  Rosa gymnocarpa Doris Kildale Gillespie 1931-6-7 10623 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC70507  Rosa gymnocarpa Gail Newton 1980-7-20 1647 Humboldt Near Bell Swamps 1426 Comment
  SEINET200819  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain ,viz. Ridge north of Willow Creek, between Willow and Campbell Creeks, near the summit 1219 Comment
  UC1199037  Rosa gymnocarpa var. serpentina Joseph P. Tracy 1939-8-16 16404 Humboldt Horse Mountain 1432 Comment
  HSC31638  Rosa nutkana Glenn McGourty 1974-6-1 84 Humboldt Comment
  UCD113897  Rosa rubiginosa J. A. Delapp 1956-6-14 2 Humboldt California Forest and Range Experiment Station. 3 miles W of upper Mattole School. 152 Comment
  HSC19664  Rubus parviflorus J. E. Lankila 1962-5-14 21 Humboldt Eel River at Bear Creek Comment
  RSA523867  Rubus parviflorus G. H. True 1936-5-12 473 Humboldt 5 miles S of Kneeland. 457 Comment
  HSC19680  Rubus spectabilis S. R. Johnson 1965-3-14 7 Humboldt 1 mi N of Luffenholtz Beach Comment
  UC902132  Rubus spectabilis Joseph P. Tracy 1949-4-3 18279 Humboldt along coast in front South End of Stone Lagoon (Dry Lagoon); in front of South End Stone Lagoon, Dry Lagoon 3 Comment
  RSA613682  Rubus spectabilis var. franciscanus D. D. Keck, J. Clausen 1935-6-16 3394 Humboldt Mouth of Little River. Comment
  HSC19694  Rubus ursinus Lincoln Constance 1934-5-29 727 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC34808  Rubus ursinus David Peters 1975-4-9 5 Humboldt .1 mi. E of Kirkpatrick Quarry Rd. on Jacoby Cr. Rd. Comment
  UCD17613  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 052 Humboldt California. Humboldt County: 27.8 miles from Ettersburg toward Dyerville. Comment
  UCD89721  Rubus ursinus Lindsay Clark 2008-6-23 KRC 6 Humboldt Nadelos Campground in King Range Conservation Area, 3.8 miles SE of Shelter Cove. 550 Comment
  POM271075B  Rubus vitifolius Lyman D. Benson 1929-7-15 1815 Humboldt Clam Beach. Trinidad. Comment
  RSA20785  Rudbeckia occidentalis C. B. Wolf 1937-8-13 9250 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  HSC104451  Rumex acetosella Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 26 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC79444  Rumex acetosella Kenneth Clark 1980-3-27 549 Humboldt Open areas and terraces above Dead Man's Gulch 107 Comment
  CAS-BOT-BC421935  Rumex acetosella Doris K. Kildale 1927-6-25 3576 Humboldt Fearriens Ranch between Thorn & Shelter Cove. Comment
  HSC17580  Rumex acetosella Elrid H. Spinas 1948-6-16 66 Humboldt Horse Mtn. Comment
  UC1070542  Rumex occidentalis H. L. Person 1932-7-16 Humboldt hwy n of Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  CAS-BOT-BC433754  Rumex pulcher W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  RSA275410  Rupertia physodes Thomas W. Nelson, Jane Nelson, A. P. Nelson 1977-7-1 3573 Humboldt Along road 2S08 below Goat Hill. 1524 Comment
  HSC17821  Ruppia cirrhosa Jerry Parker 1968-10-26 212 Humboldt Big Lagoon County Park, Big Lagoon Comment
  HSC95580  Salicornia depressa Andrea Pickart 2002-7-19 180 Humboldt Arcata Marsh at end of I St. 0 Comment
  HSC94188  Salix alba Gordon Leppig, Sylvia Leppig, Kai Leppig 2000-4-16 1297 Humboldt Arcata Marsh and Wildlife Sanctuary, W bank of Hauser Marsh 1 Comment
  CAS-BOT-BC103807  Salix exigua W. R. Dudley 1899-6-21 s.n. Humboldt near bluff below junction of North and South Forks of Eel River Comment
  CAS-BOT-BC103816  Salix exigua M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  CHSC9646  Salix exigua E. L. Smith 1971-8-17 1017 Humboldt On the Van Duzen River ca. 18 mi s of Eureka. Comment
  SBBG29096  Salix exigua var. hindsiana C. R. Ball, H. Parks, J. Tracy 1932-5-17 1336 Humboldt above Trinity River, 1 mi above bridge on Trinity Hwy 152 Comment
  UC490566  Salix exigua var. hindsiana Joseph P. Tracy 1932-6-14 10151 Humboldt at Willow Creek Trinity River valley; Northern Coast Ranges 152 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-BC104104  Salix hindsiana Harold E. Parks 1931-5-14 0958 Humboldt Fernbridge, Eel River 10 Comment
  CAS-BOT-BC106852  Salix hookeriana Harold E. Parks 1931-5-12 0952 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107714  Salix hookeriana Doris K. Kildale 1926-3-20 1557 Humboldt Big Lagoon, along coast Comment
  CAS-BOT-BC107740  Salix hookeriana Joseph P. Tracy 1931-8-23 9616 Humboldt Sand dunes, near Samoa 6 Comment
  CHSC9659  Salix hookeriana E. L. Smith 1971-8-17 1029 Humboldt Between highway and beach at Trinidad. Comment
  HSC40380  Salix hookeriana Linda M. Barker 1976-3-22 1341 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC40864  Salix hookeriana Linda M. Barker 1976-4-30 1415 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata Comment
  HSC90432  Salix hookeriana Jean Hanson 1980-3-8 19 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  POM167518  Salix hookeriana Joseph P. Tracy 1918-4-7 4863 Humboldt Dows Prairie Sand Dunes. At mouth of Strawberry Creek. 6 Comment
  POM362593  Salix hookeriana H. E. Parks 1931-08 1053 Humboldt Little River Lagoon. 0 Comment
  UC1173622  Salix hookeriana Joseph P. Tracy 1936-10-24 15203 Humboldt Fortuna Eel River (banks of river) 15 Comment
  UC303030  Salix hookeriana Joseph P. Tracy 1926-3-14 7388 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC469123  Salix hookeriana Joseph P. Tracy 1927-9-25 8381 Humboldt Still place Northern Coast Region, around Humboldt Bay (adjacent to swamp) 6 Comment
  UC470423  Salix hookeriana Joseph P. Tracy 1931-9-19 9680 Humboldt near Alton; Northern Coast Ranges, Van Duzen River 30 Comment
  UC470434  Salix hookeriana Joseph P. Tracy 1931-10-18 9742 Humboldt Camp Grant Northern Coast Ranges, Eel River 60 Comment
  UC481348  Salix hookeriana Harold E. Parks 1931-5-12 953 Humboldt Samoa Humboldt Bay Comment
  UC490455  Salix hookeriana Joseph P. Tracy 1932-5-10 9956 Humboldt Mattole R. near Petrolia; North Coast Region 15 Comment
  UC512004  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1231 Humboldt 1 1/2 mi e Alton (floodplain of Van Duzen R.) 30 Comment
  UC512100  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1210 a Humboldt 4 1/2 mi s Trinidad (Little River Lagoon); Little River Lagoon Comment
  UC526715  Salix hookeriana Joseph P. Tracy 1934-6-28 13267 Humboldt Salmon Creek Valley around Humboldt Bay Northern Coast Ranges, Humboldt Bay, Salmon Creek Valley 9 Comment
  UCD111039  Salix hookeriana Linda M. Barker 1976-4-30 1416 Humboldt 3 miles west of Arcata. Comment
  UCD111043  Salix hookeriana Linda M. Barker 1976-9-3 1693 Humboldt 3 miles west of Arcata. Comment
  UC1173603  Salix laevigata Joseph P. Tracy 1935-5-25 13886 Humboldt Dobbyn Creek 152 Comment
  UC490518  Salix laevigata Joseph P. Tracy 1932-5-1 9880 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  HSC19988  Salix lasiandra H. E. Parks 1931-3-24 911 Humboldt Along lower Eel River, near Fortuna Comment
  UC1196589  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9794 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC490524  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9797 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC492486  Salix lasiandra subsp. lasiandra Harold E. Parks 1932-4-16 1099 Humboldt Ferndale ca. 16 km. from mouth of Eel R.; , Ferndale Comment
  CAS-BOT-BC125223  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1932-4-16 01099 Humboldt Ferndale, about 16 km. from mouth of Eel River, near sea level Comment
  CAS-BOT-BC125228  Salix lasiandra var. lasiandra Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01206 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad, elevation approximately sea level Comment
  CAS-BOT-BC128190  Salix lasiandra var. lasiandra Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  HSC96616  Salix lasiandra var. lasiandra Gordon Leppig 2005-4-8 2205 Humboldt N Spit Swamp, W side of highway 3 Comment
  CAS-BOT-BC107590  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1321 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107610  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-13 1253 Humboldt On gravelly floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road 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
  HSC99119  Salix lasiolepis Cara Witte 2008-6-13 726 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1455 Comment
  JEPS12922  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1933-3-19 11006 Humboldt near Bridgeville; Northern Coast Ranges 182 Comment
  JEPS12930  Salix lasiolepis Joseph P. Tracy 1931-5-31 9327 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12956  Salix lasiolepis Joseph P. Tracy 1931-9-7 9643 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS14772  Salix lasiolepis Joseph P. Tracy 1933-4-2 10960 Humboldt on Trinity Hwy. Berry's Mt. (e of Redwood Creek); Northern Coast Ranges 762 Comment
  UC1173595  Salix lasiolepis Joseph P. Tracy 1935-4-5 13773 Humboldt along river near Blue Lake; Mad River 15 Comment
  UC469406  Salix lasiolepis Joseph P. Tracy 1927-3-27 7867 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC469413  Salix lasiolepis Joseph P. Tracy 1927-4-10 7888 Humboldt Redwood Creek, at Berry's 274 Comment
  UC469438  Salix lasiolepis Joseph P. Tracy 1931-11-8 9747 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481291  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481337  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC490464  Salix lasiolepis Joseph P. Tracy 1932-9-5 10766 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC490553  Salix lasiolepis Joseph P. Tracy 1932-3-6 9774 Humboldt at mouth of Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC519327  Salix lasiolepis Joseph P. Tracy 1933-5-14 12178 Humboldt mouth of Willow Creek Trinity River Valley 152 Comment
  UC519331  Salix lasiolepis Joseph P. Tracy 1933-10-8 13085 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107410  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3148 Humboldt Redwood Creek at Berry's 289 Comment
  HSC20061  Salix melanopsis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1234 Humboldt Van Duzen River, 1.5 mi. E of Alton 30 Comment
  POM218958  Salix melanopsis H. P. Bracelin 1931-5-2 284 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  POM219691  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  SJSU181  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC469447  Salix melanopsis Joseph P. Tracy 1931-5-3 9344 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 Comment
  UC469458  Salix melanopsis Joseph P. Tracy 1931-9-19 9681 Humboldt Van Duzen R. Alton; Northern Coast Region, Van Duzen R. 30 Comment
  UC470454  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
  UC481288 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
  UC481309  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 973 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC481310  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 974 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  CAS-BOT-BC129205  Salix piperi Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 1251 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC129130  Salix scouleriana Harold E. Parks 1931-5-20 994 Humboldt Blue Lake, Mad River 15 Comment
  HSC20091  Salix scouleriana H. E. Parks Feb 1933 1151 Humboldt Spruce Cove, Trinidad Comment
  HSC55742  Salix scouleriana G. L. Clifton, Griswold 1979-7-26 10252 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  JEPS13086  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt vicinity of Carlotta 30 Comment
  UC490540  Salix scouleriana Joseph P. Tracy 1932-7-20 10739 Humboldt on trail below Corral Prairie; Klamath Mts., Trinity Summit 1371 Comment
  UC512015  Salix scouleriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1228 Humboldt pine barrens near coast 1 mi. n. Samoa Comment
  UC525977  Salix scouleriana H. E. Parks 1933-1-24 1353 Humboldt Spruce Cove (Parks Ranch) Trinidad; , Spruce Cove (Parks Ranch) Comment
  UC55955  Salix scouleriana J. P. Tracy 1900-8-5 922 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC128963  Salix sitchensis W. J. Ferlatte 1967-6-13 1119 Humboldt Cranell Coastal valley 3 Comment
  HSC20116  Salix sitchensis Theodore J. Crovello 1965-4-8 669 Humboldt Along Lost Man Creek at junction with Hwy. 101, 2.5 mi. S of turnoff to Prairie Creek Redwoods State Park Comment
  HSC90401  Salix sitchensis Jean Hanson 1980-3-8 3 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC302154  Salix sitchensis Joseph P. Tracy 1926-2-21 7364 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490533  Salix sitchensis Joseph P. Tracy 1932-7-16 10646 Humboldt open ground at Corral Prairie; Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UC511968  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1256 Humboldt 2 mi. e. of Redwood Hwy. and above Blue Lake Rd. (floodplain of Mad R.); Mad R., Engelhart gravel pit Comment
  UC519351  Salix sitchensis Joseph P. Tracy 1933-7-16 12773 Humboldt meadow at McKay Camp; Northern Coast Ranges, S. Fork Mts., McKay Camp 1676 Comment
  UCD111910  Salix sitchensis Harold E. Parks 1931-3-25 0903 Humboldt Orick, Van Duzen River. 6 Comment
  HSC31462  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-28 99 Humboldt Behind Humboldt State University, Arcata. Comment
  SDSU2915  Sambucus racemosa var. racemosa Leslie Hickson 1990-4-15 15 IV90D Humboldt Across the street from the Oak Street and Apple Valley Lane junction. Eureka. Comment
  HSC59088  Sanicula arctopoides Clark L. Miller 1979-5-9 3 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  HSC89551  Sanicula arctopoides Mike Roantree 1985-4-28 13 Humboldt N side of Trinidad Head, on coastal buff slope below trail Comment
  HSC68612  Sanicula crassicaulis Jacqueline Greenleaf 1980-7-16 245 Humboldt Near Buck Mountain. 1250 Comment
  RSA254743  Sanicula crassicaulis Thomas W. Nelson, James Nelson 1973-5-28 943 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC1197097  Sanicula crassicaulis Joseph P. Tracy 1914-5-14 4426 Humboldt Northern Coast Ranges, Fort Seward Fort Seward; Northern Coast Ranges, Fort Seward 121 Comment
  UC1222746  Sanicula crassicaulis Joseph P. Tracy 1950-7-6 19023 Humboldt 3 mi s of Burr Valley (Sproston's Place); Sproston's Place 1066 Comment
  HSC56221  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-8-2 12249 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC642283  Sanicula laciniata Joseph P. Tracy 1935-5-25 13907 Humboldt Dobbyn Creek 152 Comment
  POM256518  Sanicula laciniata Joseph P. Tracy 1927-5-8 7961 Humboldt Miranda, along south fork of Eel River 122 Comment
  HSC68994  Sanicula tracyi Jacqueline Greenleaf 1980-8-12 327 Humboldt Near Becker Cabin. 1143 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
  UC556333  Satureja douglasii Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  UC1198886  Saxifraga aprica Joseph P. Tracy 1932-7-18 10709 Humboldt head of Brett Hole (Trinity Summit); Klamath Mountains, Trinity Summit 1828 Comment
  POM141795  Saxifraga mertensiana Joseph P. Tracy 1911-6-4 3217 Humboldt Along Little River. 5 miles from the coast. 122 Comment
  UC902008  Saxifraga mertensiana Joseph P. Tracy 1948-5-31 17999 Humboldt Harris 762 Comment
  HSC37549  Schoenoplectus americanus J. D. Ackerman 1975-6-10 465 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC96371  Schoenoplectus mucronatus Gordon Leppig 2004-9-1 2196 Humboldt Eel River at Holmes Flat 400 Comment
  HSC38831  Scirpus microcarpus R. Sutherland 1976-8-13 20 .13876 Humboldt Redwood Creek, Whittemore Grove 87 Comment
  HSC41917  Scoliopus bigelovii Rich White 1977-4-23 16 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork on Bear Creek at Wailaki Campground 561 Comment
  SEINET3991334  Scoliopus bigelovii Unknown 1941-4-26 16862 Humboldt Kneeland Prairie 762 Comment
  UC249514  Scoliopus bigelovii Joseph P. Tracy 1922-5-14 6049 Humboldt Kneeland Prairie 762 Comment
  UC1222533  Scoliopus bigelovii Joseph P. Tracy 1950-4-20 18611 Humboldt 1 mi. w. Dinsmore's (along Van Duzen R., opposite Buck Mt.); Van Duzen R. 762 Comment
  UC1103134  Scribneria bolanderi Joseph P. Tracy 1932-6-26 10275 Humboldt North Coast Ranges, Fort Baker Ranch Fort Baker Ranch Fort Baker Ranch; North Coast Ranges, Fort Baker Ranch 762 Comment
  HSC59743  Scrophularia californica Clark L. Miller 1979-5-9 6117 Humboldt Samoa Dunes W of Samoa Blvd. Comment
  UC147885  Scrophularia californica J. P. Tracy 1906-5-20 2465 Humboldt immediate vicinity Eureka 0 Comment
  CHSC68503  Scrophularia californica subsp. californica Vernon H. Oswald 1997-4-10 8318 Humboldt Road paralleling Hwy. 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  UCD125672  Scutellaria antirrhinoides John M. Tucker 1948-9-3 1854 Humboldt On ridge between Horse and Grouse Mountains. 1463 Comment
  UC577338  Scutellaria siphocampyloides Joseph P. Tracy 1932-5-17 10083 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  RSA183621  Scutellaria tuberosa D. E. Anderson 1965-5-8 3644 Humboldt About 2 miles north of Willow Creek on road running along east side of Trinity River. Comment
  HSC65852  Sedum laxum subsp. flavidum Gail Newton 1980-6-28 673 Humboldt Near Mad River Butte. 1536 Comment
  HSC79268  Sedum laxum subsp. flavidum D. K. Imper 1983-7-12 Humboldt Six Rivers National Forest, Blue Creek Mtn. Comment
Read comments
May 27 2013
  HSC59361  Sedum laxum subsp. heckneri M. A. Baker 1979-7-8 621 Humboldt 2 km S of the junction of the roads to Blue Creek Mtn. and Onion Lake 1400 Comment
  UC1198837  Sedum laxum subsp. heckneri Joseph P. Tracy 1933-7-25 12899 Humboldt Grouse Mountain 1524 Comment
Read comments
Aug 17 2011
  HSC57176  Sedum obtusatum subsp. retusum Overton, Butler 1979-7-26 9997 Humboldt Near Willow Creek 1341 Comment
  HSC70725  Sedum radiatum Gail Newton 1980-7-14 1520 Humboldt Near Deadman Ridge 1097 Comment
  SBBG2669  Sedum spathulifolium H. and M. Dearing 1939-5-24 3439 Humboldt cliffs above Ferndale Comment
  HSC96071  Sedum spathulifolium J. McIntire, S. Lyon 2005-6-10 8 Humboldt 1.4 mi. S of Hwy. 299 on Titlow Hill Rd. 945 Comment
  UCD135986  Selaginella kraussiana Frederic Hrusa; R. Bencie, L. Bencie, C. and E. Dogwin 2010-12-29 18277 Humboldt Forest E of Humboldt St. University; above Fern Lake. 47 Comment
  CDA42470  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway. Comment
  HSC48773  Senecio elegans Brad Klipfel 1975-5-22 621 Humboldt Near the city of Eureka airport S of Samoa Comment
  UC1239501  Senecio glomeratus Joseph P. Tracy 1936-8-24 15173 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC364022  Senecio integerrimus var. major Doris K. Kildale 1928-5-19 5173 Humboldt Chalk Mountain Comment
  HSC57618  Senecio integerrimus var. major G. L. Clifton, Griswold 1979-7-25 10743 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC6113  Senecio integerrimus var. major D. E. Anderson 1965-5-1 3571 Humboldt Along road to Bluff Creek campground, about 3 mi. from its junction with Hwy. 96 Comment
  HSC98958  Senecio integerrimus var. major Cara Witte 2008-7-28 950 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1565 Comment
  CDA7642  Senecio mikanioides Gordon Leppig 2000-2-15 1284 Humboldt School Road 1/2 mile west of Central Avenue, McKinleyville. Comment
  JEPS37460  Senecio minimus W. L. Jepson 1932-7-24 16379 Humboldt near Camp Grant; Eel River Comment
  UCD135618  Senecio minimus S. W. Cosby 1921-9-27 s.n. Humboldt south of Ferndale. Comment
  HSC56435  Senecio triangularis Griswold, Butler 1979-7-12 7150 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC58095  Senecio triangularis G. L. Clifton, Griswold 1979-8-1 12011 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC70462  Senecio triangularis Gail Newton 1980-7-20 1630 Humboldt Near Bell Swamps 1426 Comment
  UC581710  Senecio triangularis Joseph P. Tracy 1932-7-13 10523 Humboldt Corral Prairie , Corral Prairie (Trinity Summit) 1584 Comment
  UC581709  Senecio triangularis Joseph P. Tracy 1930-7-16 8934 Humboldt in wet meadow at McKay Camp (South Fork Mountain); , McKay Camp 1676 Comment
  UCD135816  Senecio vulgaris Linda M. Barker 1976-3-22 1337 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC85838  Sequoia sempervirens Doris K. Kildale 1927-5-15 3160 Humboldt Petrolia Bridge Mattole River Comment
  JEPS48272  Sequoia sempervirens Joseph P. Tracy 1940-10-17 16770 Humboldt Dyerville 48 Comment
  SEINET3876306 Image available Sequoia sempervirens K. S. Erdman 1970-6-19 4840 Humboldt Redwood Creek, about 2-3 miles above the road end. Near McArthur and Elam Creeks, Redwood National Park.; 0 Comment
  CAS-BOT-BC364783  Sericocarpus oregonensis subsp. oregonensis Doris K. Kildale 1926-8-22 2589 Humboldt On Orick - Martin's Ferry road 716 Comment
  HSC19856  Sherardia arvensis F. B. Plett 1963-4-27 37 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  UCD122007  Sherardia arvensis J. M. Tucker 1948-9-4 1861 Humboldt Beck's Ranch, Hydesville. Comment
  UCD116621  Sidalcea diploscypha K. Esau 1934-5-7 s.n. Humboldt above Fort Seward. 457 Comment
  RSA33405  Sidalcea malachroides Doris K. Kildale 1927-7-2 s.n. Humboldt Lord (?) Ellis Road, near Korbel Comment
  UC1197962  Sidalcea malachroides Joseph P. Tracy 1934-8-6 13563 Humboldt 1 mi w Lindsey Creek (n side of Mad River); n side Mad River, w of Lindsey Creek 30 Comment
  HSC100702  Sidalcea malachroides Carl C. Marshall Jun 1886 29 Humboldt Mad River region. Comment
  POM264602  Sidalcea malviflora subsp. patula H. E. Parks 1940-05 24177 Humboldt Dow s Prairie 30 Comment
  RSA168955  Sidalcea malviflora subsp. patula Joseph P. Tracy 1950-6-8 18734 Humboldt Bear River Ridge, 7 miles south of Ferndale. 610 Comment
  UC665632  Sidalcea malviflora subsp. patula H. E. Parks May, 1940 24177 Humboldt Dow's Prairie 30 Comment
  HSC35274  Silene bolanderi A. M. Montalvo, J. D. Ackerman 1975-6-22 493 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36. Comment
  HSC103725  Silene bolanderi M. R. Mesler, C. Wilson 2010-6-18 825 Humboldt Along Hwy 36 near pmm 32.53 771 Comment
  RSA477842  Silene californica M. O'Mera 1972-6-8 78 Humboldt Along Bald Hills Rd. ca. 16.4 miles E of junction with U.S. 101. Comment
  CAS-BOT-BC174876  Silene campanulata subsp. glandulosa Clarence R. Quick 1959-7-24 59 -33 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC57065  Silene douglasii Overton, Butler 1979-7-24 9735 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  UC630502  Silene gallica H. E. and S. T. Parks June, 1936 5634 Humboldt Spruce Cove , Spruce Cove (Trinidad) Comment
  UC668091  Silene gallica Joseph P. Tracy 1931-5-3 9351 Humboldt near Blue Lake; along Mad River, near Blue Lake 15 Comment
  HSC4187  Silene gallica R. J. Vernimen 1963-3-21 23 Humboldt Clam Beach Lagoons, 10 mi. N of Arctata Comment
  HSC78968  Silene gallica L. P. Janeway 1984-5-16 789 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd. just N of the boat ramp 3 Comment
  HSC89502  Silene gallica M. Roantree Humboldt E side of Trinidad Head, along paved rd. Comment
  CAS-BOT-BC389056  Silene laciniata subsp. californica Carl B. Wolf 1927-8-28 1175 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Road to Blue Lake Comment
  HSC4168  Silene laciniata subsp. californica C. B. Wolf 1927-8-29 1196 Humboldt 7 mi. S of Ferndale and Capetown, Bear River Ridge, Mt. Glen Comment
  UC668088  Silene lemmonii Joseph P. Tracy 1933-7-25 12870 Humboldt Grouse Mountain 1524 Comment
  SEINET6883434  Sisyrinchium bellum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles sou theast of Kneeland. Comment
  UC1197804  Smilacina racemosa Joseph P. Tracy 1936-8-7 15106 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  UC1197805  Smilacina racemosa Joseph P. Tracy 1936-8-7 15106 1/2 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  UC1197803  Smilacina racemosa Joseph P. Tracy 1927-6-12 8150 Humboldt Horse Mountain; below top of mt. 1280 Comment
  SEINET3888098  Smilacina stellata var. sessilifolia Thomas Nelson, James Nelson 1975-5-24 1844 Humboldt Mckeown Ranch north of Dinsmore.; 0 Comment
  UC1196158  Solanum sarrachoides J. P. Tracy Sept. 1907 2605 Humboldt immediate vicinity of Eureka 0 Comment
  UC1222771  Solanum umbelliferum Joseph P. Tracy 1950-6-18 18851 Humboldt Briceland Comment
  UC585974  Solanum umbelliferum Joseph P. Tracy 1924-5-4 6668 Humboldt 6 mi w of Bridgeville (Van Duzen River); Van Duzen River 121 Comment
  UC604645  Solanum umbelliferum Joseph P. Tracy 1938-6-7 15855 Humboldt 5 mi se of Blue Lake (Canyon Creek); Canyon Creek 152 Comment
  HSC56455  Solidago elongata Griswold, Butler 1979-7-12 7232 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1223176  Solidago elongata Joseph P. Tracy 1950-8-8 19280 Humboldt on Trinity Summit (Croghan Hole); on Trinity Summit, Croghan Hole 1676 Comment
  SEINET5782991 Image available Solidago spathulata S. K. Harris 1939-9-5 Humboldt Samoa Comment
  HSC6220  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC43414  Sonchus asper R. Sutherland 1978-2-18 3 .18278 Humboldt S side mouth of Mattole River 9 Comment
  CAS-BOT-BC374597  Sonchus oleraceus Joseph P. Tracy 1935-5-16 13805 Humboldt At Eureka 30 Comment
  UC1070277  Sonchus oleraceus H. L. Person 1932-7-16 19437 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  HSC21344  Sparganium angustifolium Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  RSA246788  Sparganium angustifolium subsp. emersum Robert F. Thorne, Percy C. Everett 1965-8-9 35321 Humboldt Clam Beach County Park: along highway. 3 Comment
  RSA355701  Sparganium angustifolium subsp. emersum Walter Wisura, Dave Kelly 1986-7-30 4135 Humboldt North of Crannel on Louisiana Pacific Lumber Co. property; in pond ca. 1 mile beyond the gate. Comment
  UC249860  Spartina densiflora Joseph P. Tracy 1924-8-4 6738 Humboldt Eureka Northern Coast Ranges (salt marsh at railroad station) 0 Comment
  HSC83043  Spartina densiflora A. L. Eicher 1985-6-19 Humboldt Bordering Humboldt Bay, adjacent to the mouth of Mad River Slough, on SW side 1 Comment
  UCD92986  Spartina foliosa Malcolm A. Nobs; S. Galen Smith 1949-8-3 1180 Humboldt near mouth of the Elk River, ca. 4 miles south of Eurkea on Highway 101. Comment
  UCSB34193  Spartina foliosa Kearns, Dennis 1979-8-24 Humboldt Spring Tide Area of Arcata Bay, Arcata Boat Launching Facility at the South end of "I" Street Comment
  RSA246882  Spergula arvensis R. F. Thorne, Percy C. Everett 1965-8-8 35265 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC56168  Spergularia rubra G. L. Clifton, Griswold 1979-8-1 12059 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC58185  Spergularia rubra G. L. Clifton, Griswold 1979-8-2 12273 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC55605  Spiraea splendens var. splendens Overton, Butler 1979-7-23 9444 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  UC1222183  Spiranthes porrifolia Joseph P. Tracy 1950-6-23 18870 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC1225876  Spiranthes porrifolia Joseph P. Tracy 1942-6-15 17154 Humboldt Garberville 152 Comment
  RSA286353  Spiranthes romanzoffiana Robert F. Thorne 1974-7-29 45085 Humboldt Samoa Dunes: between Humboldt Bay and Pacific Ocean. Comment
  HSC100151  Spirodela polyrhiza M. A. Ericksen 1979-5-29 308 Humboldt Northern-most of Clam Beach ponds Comment
  HSC98913  Stachys ajugoides Cara Witte 2007-7-11 490 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC1124934  Stachys ajugoides var. rigida H. L. Person 1932-7-16 T.H. 30 Humboldt highway n Trinidad; Rock Point Quadrangle Comment
Read comments
Aug 3 2007
  UC1124935  Stachys ajugoides var. rigida H. L. Person 1932-7-16 T.H. 30 Humboldt highway n Trinidad; Rock Point Quadrangle Comment
Read comments
Aug 3 2007
  UC577313  Stachys ajugoides var. rigida Joseph P. Tracy 1935-7-18 14102 Humboldt Table Bluff 15 Comment
  UCLA71165  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-22 Humboldt Patrick's Point Comment
  UC668221  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16132 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  UCLA71138  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Founders Tree Humboldt State Park Comment
  UCLA71142  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16131 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  HSC12030  Stachys arvensis D. Santana 1970-11-2 113 Humboldt 14th and B St. Arcata Comment
  POM283271  Stachys bullata Lyman Benson 1928-7-10 s.n. Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  RSA0074167  Stachys chamissonis T. S. Elias, Barbara A. Elias 1987-8-26 10631 Humboldt Fernbridge, 0.5 mile S of Route 101; along West bank of Eel River, about 0.5 mile N of bridge. Comment
  CHSC109578  Stachys mexicana B. Castro; L. P. Janeway 2004-9-11 1475 Humboldt North Coast. Near blocked S end of Little River Road 0.25 mi N of Central Avenue; near S end of Clam Beach. Low ground, flats partially shaded by alder trees festooned with English ivy; base of steep slopes of coatal terrace, back edge of beach stabilized dunes along old road. 4 Comment
  HSC48831  Stachys rigida var. rigida Brad Klipfel 1973-7-31 253 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 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
  RSA67572  Stellaria crispa P. A. Munz 1951-7-15 16550 Humboldt 5 miles N of Willow Creek 305 Comment
  UC1586791  Stellaria crispa Juha Pykala 1987-6-20 1853 Humboldt Kneeland Greenwood Heights; n of Prof. D. H. Harris house 350 Comment
  HSC4272  Stellaria media S. J. Hawks 1965-4-3 13 Humboldt W of Eureka City Airport Comment
  HSC12712  Stellaria media M. J. Athey 1970-11-20 1 Humboldt Along 1st. St. in Westhaven, Trinidad Comment
  SEINET6905902  Stellaria nitens Joseph P. Tracy 1913-5-4 4045 Humboldt Kneeland Prairie, altitude 2500 feet. Comment
  RSA254758  Stephanomeria virgata Thomas W. Nelson 1973-9-3 1122 Humboldt McKeown Ranch north of Dinsmore Comment
  HSC40608  Stipa lemmonii Thomas W. Nelson 1976-6-14 2702 Humboldt S of Lassic Peak (Signal Peak) 1646 Comment
  HSC102188  Stipa nelsonii var. dorei M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1102 Humboldt Andy's Camp 1564 Comment
  UC302043  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1926-5-15 7477 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC54897  Stuckenia filiformis subsp. alpina G. L. Clifton, Griswold 1979-7-25 10957 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  UC562305  Swertia radiata Joseph P. Tracy 1932-7-20 10731 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC39184  Symphoricarpos albus var. laevigatus D. E. Anderson, J. P. Smith 1971-6-28 - 1216 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC57089  Symphoricarpos mollis Overton, Butler 1979-7-24 9801 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC49139  Symphyotrichum chilense J. O. Sawyer, R. J. Cole 1978-10-10 3319 Humboldt W of Coast Guard road at intersection with Samoa Bridge Comment
  HSC24019  Symphyotrichum chilense R. A. Vanbianchi 1971-9-10 79 Humboldt Junction of Fieldbrook Rd. and old Hwy. 299 Comment
  UC175193  Symphyotrichum subspicatum Joseph P. Tracy 1913-9-9 4396 Humboldt Big Lagoon 30 Comment
  CDA5592  Symphytum asperum T. C. Fuller 1968-7-31 17449 b Humboldt 2 miles north of Arcata, Arcata Bottoms. 0 Comment
  SEINET11071783 Image available Symphytum asperum Johnnie L. Gentry Jr., Earl Jensen 1968-1 2120 Humboldt Approx. 2 miles east of Hwy. jct. US 101 & Tompkins Hill Rd., on Tompkins Hill Road, south of Eureka 30 Comment
  UC213323  Symphytum asperum Joseph P. Tracy June 1919 5181 Humboldt Northern Coast Region, Humboldt Bay, valley of Salmon Creek 30 Comment
  RSA46713  Synthyris reniformis Doris K. Kildale 1926-3-20 1538 Humboldt Big Lagoon. Comment
  HSC21153  Synthyris reniformis D. E. Anderson 1964-2-23 2905 Humboldt Near Indian Creek on Kneeland-Bridgeville Rd. Comment
  UC1198059  Synthyris reniformis Joseph P. Tracy 1909-5-16 2969 Humboldt Coast bluffs 3 mi n Trinidad; Northern Coast Ranges 30 Comment
  UC582543  Synthyris reniformis Joseph P. Tracy 1923-3-10 6152 Humboldt Van Duzen River, near Grizzly Creek; Van Duzen River 91 Comment
  UC604632  Synthyris reniformis Joseph P. Tracy 1938-4-5 15705 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 457 Comment
  CHSC68504  Synthyris reniformis var. cordata Vernon H. Oswald 1997-4-10 8331 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  CAS-BOT-BC221913  Taeniatherum caput-medusae F. A. Weatherbee 1960-6-22 s.n. Humboldt Ft. Baker Ranch, Eureka Comment
  SEINET3816604  Tanacetum bipinnatum Bassett Maguire 1934-6-9 15318 Humboldt On sand dunes, clam beach, 15 miles from North Eureka Comment
  CAS-BOT-BC376730  Tanacetum bipinnatum Peter H. Raven 1962-8-31 18079 Humboldt Flats at Dry Lagoon State Park Comment
  UC144071  Taraxia ovata Joseph P. Tracy 1906-5-6 2433 Humboldt open places near Fortuna; Northern Coast Ranges 30 Comment
  RSA254744  Tauschia kelloggii Thomas W. Nelson, James Nelson 1973-5-28 956 Humboldt McKeown Ranch north of Dinsmore. Comment
  UC154074  Tauschia kelloggii Joseph P. Tracy 1908-6-7 2607 Humboldt on Mad River at Maple Creek; Northern Coast Ranges, Mad River, Maple Creek 152 Comment
  POM319590  Taxus brevifolia Patricia Wilder 1968-8-22 4428 Humboldt Bull Creek Flat, Humboldt Redwood State Park, north of Weott and west of U. S. 101. Coast Mountain range, south fork of Eel River. 61 Comment
  UC54777  Taxus brevifolia Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5819 Humboldt Tinity Summit North Coast Ranges, Trinity Summit Comment
  UC666679  Taxus brevifolia H. S. Reed 1938-7-27 192 Humboldt e fork Willow Creek Comment
  CAS-BOT-BC85212  Taxus brevifolia G. A. Coleman 1901-7-28 s.n. Humboldt Near Baise Creek Comment
  HSC102633  Tellima grandiflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1618 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC20426  Tellima grandiflora D. E. Anderson 1965-5-8 3629 Humboldt 0.6 mi. W of bridge over N Fork of the Mad River along Hwy. 299 Comment
  JEPS49696  Tellima grandiflora Milo S. Baker 1923-7-20 Humboldt near South Yager Creek (Redwood House Road) Comment
  RSA259571  Thermopsis macrophylla var. agnina Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-15 2000 Humboldt Growing on Serpentine outcrop at Franch Camp, Bald Hills Comment
  HSC91618  Thuja plicata E. Mackey 1986-10-7 Humboldt Patrick's Point State Park along Patrick's Point Drive Comment
  NY17196  Thuja plicata A. Kellogg 1868-1 933 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG56417  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt Camp 21, Hammond Lumber Co, Trinidad 152 Comment
  HSC55614  Tiarella trifoliata var. unifoliata Overton, Butler 1979-7-23 9503 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  JEPS49709  Tiarella trifoliata var. unifoliata W. L. Jepson 1927-7-3 12359 Humboldt near Dyerville (Bull Creek); South Fork Eel River, Bull Creek Comment
  SEINET3888616  Tofieldia occidentalis Carl B. Wolf 1934-7-2 5878 Humboldt Snow Camp (Mts. E. of Korbel). Near small lake.; 0 1372 Comment
  HSC64854  Tolmiea diplomenziesii J. P. Smith 1973-5-26 6854 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC97516  Tolmiea diplomenziesii Kay Izlar 2001-3-24 7 Humboldt HSU forest along Jolly Giant Creek 43 Comment
  CAS-BOT-BC169175  Toxicodendron diversilobum Volney Rattan 1878-1-1 s.n. Humboldt Undspecified Comment
  HSC3137  Toxicodendron diversilobum Francis Winter 1960-4-24 Humboldt 1 mi. N of Redwood Creek Ranch. 396 Comment
  HSC3140  Toxicodendron diversilobum R. E. Thill 1965-5-1 26 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  JEPS63913  Toxicodendron diversilobum W. L. Jepson 1932-8-1 16469 Humboldt Bull Creek 121 Comment
  JEPS63914  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16430 Humboldt on way to Bull Creek Dyerville Comment
  JEPS63915  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16429 Humboldt on rd. to Bull Creek Dyerville Comment
  UC1199328  Tracyina rostrata Joseph P. Tracy 1938-6-9 15975 Humboldt about 1 mi sw Alder Point (town) 304 Comment
  HSC62890  Tradescantia ohiensis J. M. DiTomaso 1979-5-20 1056 Humboldt 0.3 mi. N of Trinidad on Stagecoach Rd. Comment
  UC535718  Trichostema laxum Eleanor Armstrong 1934-7-15 1130 Humboldt Richardson Grove 121 Comment
  HSC41277  Trientalis latifolia Brad Klipfel 1974-6-25 433 Humboldt Horse Mtn.; NW side of towers Comment
  HSC48609  Trientalis latifolia Mark Flippo 1978-4-8 3 Humboldt McKinleyville; Bella Vista Hill Comment
  UC162776  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1908-6 2854 Humboldt opposite Buck Mtn (valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC1197242  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1913-6-20 4225 Humboldt nw slope Buck Mtn (lower foothills); Northern Coast Ranges 762 Comment
  UC160917  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1910-6-5 3151 Humboldt Ocean Beach Northernb Coast Ranges, Humboldt Bay Comment
  UC1223506  Trifolium barbigerum J. P. Tracy 1950-6-29 18939 Humboldt 6 mi se Arcata (Fickle Hill) Comment
  UC16424  Trifolium barbigerum Harley P. Chandler May, 1901 1102 Humboldt Humboldt Bay; North Coast Ranges Comment
  UC1197182  Trifolium bifidum var. decipiens Joseph P. Tracy 1906-7-4 2522 Humboldt near Hydesville (Yager Creek); Northern Coast Ranges 60 Comment
  POM127032  Trifolium cyathiferum Chesnut, E. R. Drew 1888-8-2 s.n. Humboldt Grouse Creek Comment
  UC1223487  Trifolium cyathiferum Joseph P. Tracy 1934-6-27 11082 Humboldt 2 mi s Horse Mtn (Grouse Mtn, Cold Springs) 1432 Comment
  SEINET12157150  Trifolium depauperatum J. P. Tracy 1933-1 12242 Humboldt Petrolia, Mattole Valley Comment
  UC249727  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1921-5-30 5480 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC45172  Trifolium dichotomum R. Sutherland 1978-4-23 32 .23478 Humboldt Kinsey Ridge 640 Comment
  UC1197051  Trifolium dubium Joseph P. Tracy 1914-6-14 4502 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UCD108946  Trifolium fragiferum P. B. Kennedy 1929-6-14 10326 Humboldt Eureka. Niles Ranch. Comment
  UC495735  Trifolium fucatum Joseph P. Tracy 1927-5-8 7992 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UCD109053  Trifolium fucatum W. Williams 1951-1 s.n. Humboldt Humboldt County. Comment
  RSA168894  Trifolium gracilentum Joseph P. Tracy 1933-5-20 12233 Humboldt 4 miles south of Cape Mendocino. Comment
  RSA168895  Trifolium howellii Joseph P. Tracy 1934-7-18 13449 Humboldt Grouse Mountain; top of mountain Comment
  RSA592247  Trifolium hybridum Robert F. Thorne, Percy C. Everett 1965-8-8 35268 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  JEPS65965  Trifolium microcephalum W. L. Jepson 1902-6-20 1898 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  HSC90753  Trifolium microdon Gail Newton 1982-5-5 2539 Humboldt Elk River Wildlife Area, Eureka. Comment
  UC1197506  Trifolium microdon Joseph P. Tracy 1917-5-30 4800 Humboldt Little River Beach Northern Coast Region 6 Comment
  HSC15222  Trifolium obtusiflorum William J. Ferlatte, B. D. Rodgers 1966-6-7 2084 Humboldt 1 mi. E of Forest Glen 732 Comment
  UC1197487  Trifolium oliganthum Joseph P. Tracy 1932-5-1 9870 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  HSC45134  Trifolium oliganthum R. Sutherland 1978-5-21 2 .21578 Humboldt 433 Comment
  HSC59678  Trifolium pratense George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 6 Comment
  HSC96483  Trifolium repens Gordon Leppig 1997-6-19 450 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC98062  Trifolium repens Cara Witte 2007-7-11 503 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  UC1223320  Trifolium subterraneum Joseph P. Tracy 1951-6-21 19520 Humboldt in experimental garden of A. H. Nurphy on ranch of Everett Beck Hydesville Comment
  RSA259546  Trifolium subterraneum David Ferranti 1974-5-6 s.n. Humboldt 4360 1/2 Union Street Comment
  UC1197520  Trifolium willdenovii Joseph P. Tracy 1911-6-25 3261 Humboldt Bucksport Northern Coast Ranges 0 Comment
  UC160943  Trifolium willdenovii Joseph P. Tracy 1903-5-24 1910 Humboldt Alder Point Northern Coast Ranges (Eel River) 152 Comment
  HSC15196  Trifolium wormskioldii J. W. Bosworth 1965-5-14 50 Humboldt 1 mi. N of Fairhaven Comment
  CAS-BOT-BC451807  Triglochin maritima W. R. Dudley 1899-6-1 s.n. Humboldt Below Samoa--Eureka Penn. [Peninsula] Comment
  SEINET10745910  Triglochin striata J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13019 Humboldt North of McKinleyville off U.S. 101 (a few kilometers north of Eureka), Clam Beach County Park. Comment
  HSC15699  Trillium ovatum D. E. Anderson 1962-2-23 1923 Humboldt Grove E of HSC campus Comment
  HSC48827  Trillium ovatum Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 27 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC95729  Trillium ovatum Steven Lee 2004-4-13 19 Humboldt Hillside along Jolly Giant Creek, Arcata Community Forest Comment
  RSA183586  Trillium ovatum R. D. Zortman 1963-3-16 14 Humboldt 5 miles northeast of Arcata; south of the Mad River, off Warren Creek Road. 91 Comment
  HSC34635  Trillium ovatum Robert M. Specht 1975-4-9 125 Humboldt W of Seawood Drive exit of Hwy. 101, N of Trinidad Comment
  HSC34642  Trillium ovatum John Palmer 1975-4-9 296 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  UC1197822  Trillium ovatum Joseph P. Tracy 1923-3-17 6153 Humboldt near Garberville Garberville; Northern Coast Ranges 121 Comment
  UC1198038  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1917-5-30 4805 Humboldt Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  UC146241  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1906-6-10 2477 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  CHSC68505  Triphysaria pusilla Vernon H. Oswald 1997-4-10 8333 Humboldt Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  HSC104280  Triphysaria pusilla Samantha E. Andres 2016-5-14 8 Humboldt Lyons Ranch Trailhead, along Bald Hills Rd. 793 Comment
  JEPS10443  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17467 Humboldt Eureka 6 Comment
  UC1198042  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1936-6-6 14862 Humboldt Eureka 6 Comment
  HSC13413  Trisetum canescens E. W. Styskel 1964-5-10 85 Humboldt 1.5 mi. SE of Redcrest along Hwy. 101. Comment
  POM126097  Trisetum canescens Joseph P. Tracy 1903-5-22 1877 Humboldt Alder Point on Eel River, in woods. Comment
  UC526695  Trisetum canescens Joseph P. Tracy 1927-6-19 8194 Humboldt Big Lagoon; Northern Coast Region 6 Comment
  UCD93605  Trisetum canescens A. H. Murphy 1947-5-12 s.n. Humboldt Roadside near Carlotta. Comment
  CAS-BOT-BC193513  Trisetum cernuum Harley P. Chandler 1901-5-1 1176 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC193514  Trisetum cernuum Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek Canyon near Orleans Comment
  SEINET200948 Image available Trisetum cernuum Joseph P. Tracy 1920-5-30 5335 Humboldt Eureka. 61 Comment
  UC1103149  Trisetum cernuum J. P. Tracy 1902-6-20 175 1/2 Humboldt immediate vicinity Eureka 0 Comment
  UC1103152  Trisetum cernuum Joseph P. Tracy 1935-5-24 13813 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UCSB494  Trisetum cernuum Parks, H.; Parks, S. 1952-06 Humboldt Spruce Cove, Trinidad 60 Comment
  SEINET8719521 Image available Trisetum cernuum Unknown 1952-1 7551 Humboldt Spruce Grove, Trinidad. Comment
  SBBG889  Triteleia hyacinthina K. K. Muller 1954-6-21 632 Humboldt Olsen Crk, 2 mi ENE of Mad River Comment
  RSA378030  Triteleia hyacinthina Hutchinson 1927-05 s.n. Humboldt [No locality information provided] Comment
  UC1197709  Triteleia hyacinthina Joseph P. Tracy 1927-7-4 8239 Humboldt Lone Star Creek Iaqua Region, Lone Star Creek 609 Comment
  HSC39173  Triteleia laxa D. E. Anderson, J. P. Smith 1971-6-28 - 1229 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  CAS-BOT-BC526356  Triteleia laxa Doris K. Kildale 1925-6-28 791 Humboldt Kneeland Prairie, bald hills 762 Comment
  RSA378003  Triteleia laxa B. C. Templeton 1964-6-11 10072 Humboldt Between Salyer and Arcata on Highway 299 Comment
  UC666895  Triteleia laxa Joseph P. Tracy 1932-6-26 10269 Humboldt high grassy ridges Fort Baker 762 Comment
  UC1174867  Tsuga heterophylla P. C. Everett and E. K. Balls 1959-10-25 23963 Humboldt 22 mi w from Willow Creek (along U. S. Hwy. 299 to Arcata); U. S. Hwy. 299 579 Comment
  BLMAR193  Turritis glabra Donald Hazlett 1994-6-7 193 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC14491  Umbellularia californica T. W. Beck 1963-3-17 15 Humboldt Humboldt Meridian, Camp Bauer, Korbel Comment
  HSC59566  Umbellularia californica Rick Lundquist 1979-4-22 26 Humboldt 8.4 mi. up Fickle Hill Rd. from 11th St. across from HSU observatory 610 Comment
  HSC59799  Umbellularia californica Clark L. Miller 1979-5-24 8 Humboldt At 880 Central Ave. McKinleyville Comment
  UC1196283  Umbellularia californica Joseph P. Tracy 1920-10-24 5405 Humboldt North Fork of Mad River, at Camp Bauer North Fork of Mad River; Northern Coast Ranges, North Fork of Mad River 60 Comment
  UC1196284  Umbellularia californica Joseph P. Tracy 1912-3-31 3570 Humboldt in valley of Mad River near Glendale; Northern Coast Ranges 30 Comment
  UC205458  Umbellularia californica Joseph P. Tracy 1919-9-13 5196 Humboldt Trinity River, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River, Willow Creek 152 Comment
  HSC99668  Urtica dioica subsp. gracilis Steven Lee 2004-4-6 10 Humboldt Arcata Community Forest, along Jolly Giant Creek. Comment
  UC1198133  Urtica dioica subsp. gracilis Joseph P. Tracy 1927-4-24 7948 Humboldt near Alton 60 Comment
  CAS-BOT-BC199325  Vaccinium ovatum Ira L. Wiggins 1930-6-25 4613 Humboldt 2 miles north of Samoa Comment
  HSC7907  Vaccinium ovatum J. Pursell 1964-10-11 10112 Humboldt Old Hwy. 101, 3 mi. N Patricks Point State Park 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
  UC1197766  Vaccinium ovatum Joseph P. Tracy 1924-5-4 6672 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC902049  Vaccinium ovatum Joseph P. Tracy 1949-6-20 18323 Humboldt near Boynton Prairie 609 Comment
  UCD166925  Vaccinium ovatum Colleen Rossier 2016-9-17 9 Humboldt In vicinity of Sunny Ridge Stump. Plot Sunny Ridge Old Stump. 579 Comment
  CAS-BOT-BC199420  Vaccinium parvifolium Joseph P. Tracy 1927-6-12 8133 Humboldt Horse Mountain 1432 Comment
  OBI14439  Vaccinium parvifolium H. E. McMinn 1931-6-28 2543 B Humboldt Orick to Requa Comment
  HSC97947  Valeriana californica Cara Witte 2007-6-26 359 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1/4 mile east from intersection with National Forest 1. 1457 Comment
  CAS-BOT-BC76047  Vancouveria hexandra Doris Kildale 1931-5-10 10677 Humboldt Snow Camp. Comment
  CHSC53306  Vancouveria hexandra L. P. Janeway 1984-5-13 782 Humboldt Along Redwood House Road ca 1 1/2 mi from Hwy 36. 228 Comment
  HSC3380  Vancouveria hexandra J. F. Knezevich 1968-5-21 448 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  UC1196351  Vancouveria hexandra J. P. Tracy 1904-7-31 2136 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  HSC62904  Vancouveria hexandra J. M. DiTomaso 1979-4-22 905 Humboldt 14th St. in Redwood Park adjacent to HSU Comment
  HSC41305  Vancouveria planipetala Brad Klipfel 1974-7-23 468 Humboldt Horse Mtn. Comment
  HSC75554  Vancouveria planipetala J. O. Sawyer, R. J. Cole 1977-7-3 3003 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  UCSB23564  Vancouveria planipetala Keefe, Joseph 1967-7-8 Humboldt Redwood Forest, Avenue of the Giants, 2.4 miles north of Miranda 121 Comment
  UC1116238  Velezia rigida Joseph P. Tracy 1947-7-5 17774 Humboldt ridge top one mi w Mud Springs (Trinity Summit); , w of Mud Springs 1158 Comment
  HSC99387  Veronica americana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 36 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC582550  Veronica americana Joseph P. Tracy 1937-7-2 15389 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC147899  Veronica arvensis Joseph P. Tracy 1908-6-9 2669 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1198063  Veronica serpyllifolia subsp. humifusa Joseph P. Tracy 1935-7-23 14152 Humboldt Trinity Summit, at McKay Prairie Trinity Summit; , McKay Prairie 1584 Comment
  JEPS12698  Viburnum ellipticum P. E. Goddard 1908-7-20 Humboldt 1 mi s Harris Comment
  RSA46826  Vicia americana var. americana Doris K. Kildale 1926-3-26 1643 Humboldt Old Fortuna Rd Comment
  UC709400  Vicia americana var. americana Joseph P. Tracy 1933-7-26 12905 Humboldt near 5350 ft Grouse Mt. summit; Grouse Mt. Comment
  RSA293198  Vicia angustifolia J. P. Smith 1973-5-26 6831 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  JEPS29848  Vicia benghalensis Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-6-23 7838 Humboldt about 1 mi w Carlotta (about 0.5 mi e of Hydesville) Comment
  HSC15260  Vicia hirsuta Harvey Doerksen 1962-5-8 19 Humboldt 3 mi. W of Blue Lake, fork Mad River and Essex Creek Comment
  HSC15259  Vicia hirsuta S. J. Roberts 1965-5-2 48 Humboldt Along old railroad Comment
  SBBG52994  Vicia sativa subsp. nigra J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  UC162799  Vicia sativa subsp. nigra J. P. Tracy 1901-6-30 1202 Humboldt immediate vicinity Eureka 0 Comment
  UCSB61648  Vicia tetrasperma Ertter, Barbara; Delendick, Thomas 1987-5-16 Humboldt Hwy 299 roadside ca. 8 mi E of Arcata, 9 1/2 mi W of Lord Ellis summit Comment
  HSC104036  Vicia villosa subsp. villosa E. R. Fyer 2015-4-26 22 Humboldt At turnout off Samoa Blvd., at railroad bridge 3 Comment
  HSC21767  Viola adunca A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-26 1354 Humboldt Beachcross, 5 mi. W of Ferndale Comment
  UC164813  Viola adunca J. P. Tracy 1901-5-12 1082 Humboldt immediate vicinity of Eureka 0 Comment
  UC1761603  Viola adunca C. V. Piper 1921-5-22 Humboldt Eureka Comment
  CHSC63426  Viola cuneata Vernon H. Oswald 1994-6-29 6358 Humboldt Titlow Hill Rd. (Forest Rd. 1) at its intersection with 5N46, 4.6 mi S of Hwy. 299, S of Willow Creek. 1386 Comment
  HSC21778  Viola cuneata Frances Oldridge 1946-1 Humboldt Willow Creek Comment
  HSC39625  Viola glabella Thomas W. Nelson, Jane P. Nelson 1976-6-15 2729 Humboldt Along old trail from look out to Blocksburg 1585 Comment
  HSC48637  Viola glabella Mark Flippo 1978-5-21 81 Humboldt USFS Rd. 8N20 Comment
  JEPS50385  Viola glabella Lincoln Constance 1934-5-26 652 Humboldt near Founder's Tree (North Dyerville Flat); Bull Creek Region, South Fork Eel River, North Dyerville Fla 48 Comment
  UC1103561  Viola glabella Joseph P. Tracy 1923-4-8 6178 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  RSA249333  Viola hallii D. E. Anderson, Thomas Nelson, S. Dowty 1972-6-14 5614 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  UC668248  Viola lobata subsp. integrifolia Joseph P. Tracy 1936-8-7 15103 Humboldt head of Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1524 Comment
  CAS-BOT-BC530124  Viola lobata subsp. integrifolia Doris Kildale 1931-5-10 10577 Humboldt Snow Camp Comment
  HSC101993  Viola macloskeyi M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 892 Humboldt Patterson Meadows 1555 Comment
  HSC45620  Viola ocellata Diane L. Reed 1978-4-22 31 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC81726  Viola ocellata Thomas W. Nelson, Jane P. Nelson 1980-5-25 5255 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 Comment
  POM286593  Viola ocellata Lyman D. Benson 1928-7-11 403 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  CHSC96699  Viola palustris Gordon Leppig 1998-5-11 761 Humboldt Big Lagoon County Park, Big Lagoon Bog. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
Read comments
Oct 11 2009
  UC183609  Viola praemorsa subsp. linguifolia Joseph P. Tracy 1913-6-17 4159 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  UC30717  Viola praemorsa subsp. linguifolia Harley P. Chandler June, 1901 1288 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 1097 Comment
  HSC90167  Viola praemorsa subsp. praemorsa Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 61 Humboldt Titlow Hill Rd., 0.5 mi. S of its intersection with Hwy. 299 854 Comment
  UC1761529  Viola praemorsa subsp. praemorsa Milo S. Baker 1923-7-20 33 Humboldt near the head of the South Fork of the Yager Comment
  CHSC94931  Viola sempervirens K. Lang; J. Lang 2005-3-16 50 Humboldt Trinidad, N. California coast. 51 Comment
  HSC49693  Viola sempervirens J. O. Sawyer 1977-4-23 2842 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  JEPS50475  Viola sheltonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8910 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC203047  Vitis californica L. R. Abrams 1922-6-25 8220 Humboldt 6 mi north of Garberville Comment
  HSC37933  Vulpia bromoides Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  HSC9830  Vulpia bromoides T. L. Ackerman 1964-4-10 30 Humboldt At Turner Draw on U.S. 101, near Mad River. Comment
  UC594246  Vulpia microstachys var. pauciflora S. K. Harris, J. P. Tracy and H. S. Yates 1936-6-17 3431 Humboldt Buck Mountain 822 Comment
  CAS-BOT-BC184733  Vulpia myuros subsp. megalura Henry M. Pollard 1948-7-19 s.n. Humboldt Orleans to Van Fleet ranch Comment
  SEINET244937 Image available Vulpia myuros var. myuros J. P. Tracy 1914-1 4432 Humboldt Fort Seward. 122 Comment
  HSC98362  Whipplea modesta T. Jimerson, J. Pageau 1979-6-12 528 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  UC154108  Whipplea modesta J. P. Tracy 1906-4-15 2412 Humboldt above Korbel; Bald Mt. 609 Comment
  UC492216  Whipplea modesta Joseph P. Tracy 1927-8-28 8360 Humboldt Boynton Prairie Northern Coast Ranges 609 Comment
  UC570904  Whipplea modesta Herbert L. Mason 1932-7-21 7112 Humboldt on road from Arcata to Weaverville (e slope of mts.); Southfork Mountains Comment
  JEPS32068  Wyethia angustifolia Joseph P. Tracy 1933-8-6 12937 Humboldt French Camp Ridge 1066 Comment
  UC165897  Wyethia angustifolia Joseph P. Tracy 1911-7-6 3352 Humboldt along road between three creeks and mouth Willow Creek; Northern Coast Ranges, Willow Creek 762 Comment
  CAS-BOT-BC326979  Wyethia longicaulis Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  JEPS13755  Wyethia longicaulis Frank W. Gould 1939-5-29 841 Humboldt Horse Mountain 914 Comment
  UC673078  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  HSC12017  Xanthium strumarium Wilbur Peterson 1970-10-31 94 Humboldt Scotia bluffs, edge of Eel River. Comment
  HSC56963  Xerophyllum tenax Overton, Butler 1979-7-23 9481 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  UC303043  Xerophyllum tenax Joseph P. Tracy 1926-5-2 7445 Humboldt Willow Creek Canyon; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC154243  Yabea microcarpa Joseph P. Tracy 1908-6-9 2647 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC62873  Zeltnera davyi J. M. DiTomaso 1979-5-20 1045 Humboldt McKinleyville, middle divider on Hwy. 101 at Murray Rd. Comment
  UC159987  Zostera marina R. W. Skinner Oct 1910 Humboldt Eureka Comment



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