Search Results — 2000 specimen records retrieved (1377 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
  SEINET200991  Abies concolor Joseph P. Tracy 1927-6-12 8144 Humboldt Horse Mountain 1524 Comment
  BLMAR72  Abronia latifolia Jennifer Anthony-Wheeler 1994-5-18 72 Humboldt Samoa/manilla dunes, growing throughout dunes 6 Comment
  RSA0025086  Abronia latifolia T. S. Elias, Barbara A. Elias 1987-8-24 10621 Humboldt Prairie Creek Redwoods State Park, Gold Bluffs Beach. Comment
  SEINET946033  Abronia latifolia Kai Neander, Gordon Leppig, Sylvia Leppig 1998-1 746 Humboldt Dry Lagoon State Park. Comment
  SEINET8215832  Abronia umbellata H. E. Parks 1941-1 242112 Humboldt Little River. Comment
  HSC48766  Achillea millefolium Brad Klipfel 1973-6-10 102 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58006  Achillea millefolium G. L. Clifton, Griswold 1979-7-31 11793 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1080536  Achillea millefolium S. S. Tillett 1956-7-6 624 Humboldt along, (in clear area along ridge 12.5 mi from Orleans) Bar Shanty Road; Orleans 1173 Comment
  UC1445424 Image available Achlys californica Ichiro Fukuda and Herbert G. Baker 1963-8-23 Humboldt at Pesula road Humboldt Redwoods State Park 60 Comment
  JEPS47775  Achlys triphylla subsp. triphylla Milo S. Baker 1923-7-29 166 Humboldt along hwy. near Lawrence Creek Comment
  JEPS52978  Achlys triphylla subsp. triphylla W. L. Jepson 1932-7-29 16446 Humboldt Van Duzen R., Grizzly Flat Comment
  SD42586  Achlys triphylla subsp. triphylla Carl B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 miles above Bridgeville on grade to Dinsmores 455 Comment
  SEINET5585536 Image available Achnatherum lemmonii Joseph P. Tracy 1926-1 7649 Humboldt Horse Mountain 1524 Comment
  UC40043  Achnatherum lemmonii Bolander 1866-4 Humboldt Red Mountain Comment
  UC526752  Achnatherum lemmonii Joseph P. Tracy 1913-6-22 4260 Humboldt opposite Buck Mountain (Dinsmore's Ranch); valley of Van Duzen River 762 Comment
  SEINET201042  Achnatherum occidentale subsp. californicum J. P. Tracy 1932-7-12 10446 Humboldt Trinity Summit; Corral Prairie 1524 Comment
  SD53240  Acmispon parviflorus Darley F. Howe 1962-5-22 3307 Humboldt 0.7 miles east of Orick on Bald Mountain Road 395 Comment
  HSC76192  Aconitum columbianum subsp. columbianum Overton, Butler 1979-7-24 9790 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC57018  Adenocaulon bicolor Overton, Butler 1979-7-24 9630 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76344  Adenocaulon bicolor Teresa Prendusi 1981-7-24 487 Humboldt Near Whiteys Peak 1585 Comment
  UC164786  Adenocaulon bicolor J. P. Tracy 1900-7-22 904 Humboldt immediate vicinity Eureka 0 Comment
  HSC98889  Adenocaulon bicolor Cara Witte 2007-6-21 326 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  CAS-BOT-BC62296  Adiantum aleuticum J. H. Thomas 1949-6-12 903 Humboldt Under bridge on Boyce Creek, near Klamath River (near town of Orleans) Comment
  CAS-BOT-BC65628  Adiantum jordanii Doris K. Kildale 1928-12-30 6767 Humboldt Phillipsville 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
  OBI37796  Aesculus californica David J. Keil 1983-7-1 17276 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats rd Comment
  UC1199008  Aesculus californica Joseph P. Tracy 1938-6-9 15873 Humboldt Dobbyn Creek 152 Comment
  RSA93723  Ageratina occidentalis F. W. Peirson 1926-7-13 7052 Humboldt Near Blue Lake, Mad River Comment
  SD62068  Agoseris apargioides var. maritima Darley F. Howe 1965-8-7 4121 Humboldt Orick. Comment
  UC205185  Agoseris aurantiaca var. aurantiaca Joseph P. Tracy 1919-9-23 5284 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC1222937  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1950-7-6 19024 Humboldt 3 mi s, sw slopes of Buck Mt Burr Valley; Buck Mountain 1066 Comment
  UC164792  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1911-7-7 3411 Humboldt along ridge n of, between Willow and Campbell Creeks Willow Creek; Brannan Mountain, , Campbell Creek 1219 Comment
  SEINET6998444  Agoseris heterophylla Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UC450000  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6280 Humboldt Bear River Ridge; Northern Coast Ranges 304 Comment
  CAS-BOT-BC13374  Agoseris retrorsa Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1371 Comment
  UC667047  Agrimonia gryposepala Joseph P. Tracy 1940-6-16 16571 Humboldt opposite mouth Willow Creek (Lack Pond); Trinity River Valley 152 Comment
  CDA1703  Agrostis capillaris T. C. Fuller 1962-8-6 9362 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  UCD51851  Agrostis capillaris W. A. Logan 1922-8-19 s.n. Humboldt From Geo. Garner of Arcata. Comment
  HSC102221  Agrostis exarata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1137 Humboldt Patterson Meadows 1555 Comment
  UC186905  Agrostis exarata Joseph P. Tracy 1904-7-10 2119 Humboldt Eureka Northern Coast Region 0 Comment
  SEINET11673856  Agrostis exarata P. H. Chandler 1901-1 1525 Humboldt Klamath River, North Coast Ranges 427 Comment
  UCD52685  Agrostis hallii H. S. Yates 1936-6-18 5728 Humboldt Near mouth of Litter River. 4 Comment
  SBBG53087  Agrostis longiligula R. N. Philbrick, J. R. Haller 1976-6-25 7 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CAS-BOT-BC139123  Agrostis oregonensis Joseph P. Tracy 1925-7-5 7173 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  HSC58760  Agrostis pallens Overton, Butler 1979-7-26 10056 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  HSC58832  Agrostis pallens Overton, Butler 1979-8-2 12693 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC186908  Agrostis scabra J. P. Tracy 1901-6-30 1205 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC138632  Agrostis stolonifera Joseph P. Tracy 1927-7-16 8253 Humboldt Northern Coast Ranges. Around Humboldt Bay. Mouth of Elk River. 6 Comment
  HSC40393  Agrostis stolonifera Thomas W. Nelson, James Nelson 1976-7-28 3046 Humboldt W of Alder Springs along 2S08 1555 Comment
  HSC34956  Aira caryophyllea Thomas W. Nelson 1975-5-24 1870 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  UC1103304  Aira caryophyllea J. P. Tracy 1900-6-14 855 Humboldt Immediate vicinity of Eureka 0 Comment
  UCD55782  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA517225  Allium acuminatum Barbara Ertter, Thomas J. Delendick 1987-5-16 6920 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  CAS-BOT-BC460755  Allium amplectens Alice Eastwood; John Thomas Howell 1937-6-23 4832 Humboldt Near Yager Comment
  UC275545  Allium bolanderi Joseph P. Tracy 1923-6-26 6377 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks, Koby's Ranch); Northern Coast Ranges, Brannan Mountain, Koby's Ranch 762 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
  HSC99529  Allium campanulatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 193 Humboldt Near North Trinity Mtn and Water Dog Lakes, Six Rivers National Forest. 1826 Comment
  CAS-BOT-BC464486  Allium campanulatum Doris K. Kildale 1927-7-22 3815 Humboldt Lassecks Peaks 1661 Comment
  UC1198204  Allium falcifolium Joseph P. Tracy 1930-7-23 9131 Humboldt at Cold Springs Grouse Mountain, Cold Springs 1432 Comment
  UC3080  Allium falcifolium H. N. Bolander 6554 Humboldt Red Mts. Comment
  HSC71823  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5955 Humboldt Ridge S of Mt. Lassic (Signal Peak) 1524 Comment
  UC2029549  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U. S. Highway 101 ca. 1.0 miles west of Orick Comment
  UC176168  Allium unifolium Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3607 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC666922  Allium unifolium Joseph P. Tracy 1935-6-8 13953 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 15 Comment
  SEINET199682  Allium validum Joseph P. Tracy 1934-8-29 13630 Humboldt South Fork Mountain at McKay Camp. 1676 Comment
  CAS-BOT-BC171311  Alnus incana subsp. tenuifolia Milo S. Baker 1927-8-21 2487 a Humboldt Brush Mt. 914 Comment
  CAS-BOT-BC171314  Alnus incana subsp. tenuifolia Joseph P. Tracy 1932-7-15 10605 Humboldt Ridges E of Corral Prairie 1828 Comment
  UC1197957  Alnus rhombifolia Joseph P. Tracy 1931-9-26 9699 Humboldt Berry's Northern Coast Ranges, Redwood Creek 274 Comment
  CAS-BOT-BC169537  Alnus rubra Doris K. Kildale 1928-2-17 4273 Humboldt Patricks Point Comment
  CAS-BOT-BC169539  Alnus rubra Carl B. Wolf 1931-8-28 2365 Humboldt Road-cut slope, Redwood Highway, 4 1/2 miles N of Fortuna on road to Eureka 15 Comment
  POM212075  Alnus rubra C. B. Wolf 1930-10-26 1967 Humboldt south edge of Big Lagoon, near the Redwood highway bridge. 3 Comment
  SEINET197713  Alnus rubra J. M. Tucker 1948-9-5 1865 Humboldt Along Hwy 101 3 mi S of Scotia Comment
  HSC58068  Alnus viridis subsp. sinuata G. L. Clifton, Griswold 1979-8-1 11950 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC99022  Alnus viridis subsp. sinuata Cara Witte 2008-7-16 908 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  UC1152033  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19524 Humboldt back of Everett Beck house (formerly Geroge Fray), bed of former Goose Lake Hydesville Comment
  RSA167300  Ambrosia artemisiifolia Joseph P. Tracy 1950-8-20 19313 Humboldt Frank Graham's place. Trinity River Valley at Willow Creek. 152 Comment
  HSC35628  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2141 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  HSC71166  Amelanchier alnifolia Thomas W. Nelson 1977-5-30 3412 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  SEINET200734  Amelanchier alnifolia J. P. Tracy 1908-6-27 2768 Humboldt Valley of Van Duzen River opposity Buck Mtn 762 Comment
  CAS-BOT-BC142882  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1926-6-27 2225 Humboldt Little Van Duzen River on Weaverville-Bridgeville Road 640 Comment
  CAS-BOT-BC142892  Amelanchier alnifolia var. semiintegrifolia Harley P. Chandler 1901-6-1 1282 Humboldt Hupa Indian Reservation 1097 Comment
  UC492197 Image available Amelanchier utahensis Joseph P. Tracy 1930-7-16 9093 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain Comment
  HSC17838  Anagallis arvensis Harvey Doerksen 1962-5-8 12 Humboldt 3 mi. W of Blue Lake where Lindsey Creek joins the Mad River Comment
  UC1198609  Anagallis arvensis Joseph P. Tracy 1948-9-20 18222 Humboldt Hoopa Valley, along Mill Creek Hoopa Valley, Mill Creek 91 Comment
  HSC79547  Anagallis arvensis Kenneth Clark 1980-4-18 572 Humboldt 300 yds. E of Dead Man's Gulch; widespread through Shelter Cove 5 Comment
  CAS-BOT-BC45135  Anaphalis margaritacea Doris K. Kildale 1925-7-2 899 Humboldt Table Bluff Comment
  CAS-BOT-BC45137  Anaphalis margaritacea Doris K. Kildale 1926-8-8 2476 Humboldt Dyerville Bridge 45 Comment
  HSC68155  Anaphalis margaritacea J. P. Smith 1971-10-6 4985 Humboldt End of Murray Rd. in McKinleyville. Comment
  HSC98655  Anaphalis margaritacea Cara Witte 2007-7-26 596 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1438 Comment
  UC175184  Anaphalis margaritacea Joseph P. Tracy 1913-9-9 4400 Humboldt Big Lagoon; Northern Coast Ranges 30 Comment
  CAS-BOT-BC45140  Anaphalis margaritacea M. S. Taylor 1975-4-12 466 Humboldt Ca. 200 yards W of Hwy 101, by RR tracks, Orick Comment
  HSC12550  Anaphalis margaritacea C. Kline 1970-11-15 71 Humboldt Clam Beach Lagoon Comment
  SEINET10761471  Anaphalis margaritacea J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13013 Humboldt On U.S. 101, near Holmes, 1.76 km south of Stafford Road. Comment
  CAS-BOT-BC391777  Anemone deltoidea Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC391785  Anemone deltoidea Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4 1/2 miles east of Orick Comment
  CAS-BOT-BC391786  Anemone deltoidea Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4 1/2 miles east of Orick Comment
  CAS-BOT-BC391779  Anemone deltoidea D. E. Breedlove 1962-6-8 3066 Humboldt Along U.S. Highway 101, 8 miles north of Orick 60 Comment
  HSC98105  Anemone deltoidea Cara Witte 2007-6-27 365 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/2 mile east of spring. 1561 Comment
  HSC98540  Anemone oregana Cara Witte 2008-6-9 705 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1418 Comment
  UC562611  Angelica arguta Joseph P. Tracy 1932-7-12 10443 Humboldt Trinity Summit, at Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  JEPS16074  Angelica genuflexa W. L. Jepson 1936-8-17 17910 Humboldt Fields Landing, Stills Ranch Fields Landing; , Stills Ranch Comment
  JEPS14103  Angelica hendersonii Joseph P. Tracy 1936-10-24 15205 Humboldt Table Bluff 91 Comment
  UC1222615  Angelica hendersonii Joseph P. Tracy 1950-9-10 19352 Humboldt Bear River Ridge 609 Comment
Read comments
Oct 12 2007
  JEPS16068  Angelica hendersonii Joseph P. Tracy 1924-9-21 6902 Humboldt Northern Coast Ranges, Eureka, toward Bucksport Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC642266  Angelica tomentosa Joseph P. Tracy 1939-8-16 16410 Humboldt Horse Mountain 1432 Comment
  HSC99069  Angelica tomentosa Cara Witte 2008-8-16 1027 Humboldt Ammon Ridge Road. Approximately 1/4 mile east of intersection with National Forest 1. 1548 Comment
  CAS-BOT-BC77290  Antennaria microphylla Joseph P. Tracy 1935-7-24 14169 Humboldt Trinity Summit, near ranger station 1828 Comment
  UC582647  Antennaria rosea Joseph P. Tracy 1935-7-24 14169 1/2 Humboldt Trinity Summit 1828 Comment
  UCD74273  Antennaria stenophylla G. Ledyard Stebbins 1985-6-19 N- 501 Humboldt Nevada: Humboldt County. Santa Rosa Mountains. Along road north of Hinkey Summit, 1.4 miles NE of Martin Creek Guard Station. 1950 Comment
Read comments
Apr 16 2015
  HSC56940  Antennaria suffrutescens Overton, Butler 1979-7-23 9419 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  CAS-BOT-BC289123  Anthoxanthum occidentale Richard R. Halse 1996-3-26 5020 Humboldt At junction of Bald Hills Road adn Holter Ridge Bike Route, 11 miles SE of U.S. Hwy. 101, Redwood National Park 708 Comment
  HSC8934  Anthoxanthum odoratum H. E. Parks, S. T. Parks Apr 1952 24444 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC8940  Anthoxanthum odoratum R. Berg 1963-2-23 1 Humboldt Arcata, Fickle Hill area Comment
  UC1541539  Anthoxanthum odoratum Harold E. Parks May 1933 4301 Humboldt Trinidad, Spruce Cove Spruce Cove; Trinidad, Spruce Cove Comment
  UC922011  Anthoxanthum odoratum Joseph P. Tracy 1942-6-2 17101 Humboldt 2 mi n of Bridgeville 609 Comment
  UCD56278  Anthoxanthum odoratum H. E. Parks; S. T. Parks 1952-4 24444 Humboldt Trinidad, Spruce Cove. 60 Comment
  JEPS83361  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-26 353 Humboldt about 2 mi se Miranda (0.9 mi wnw of Franklin K. Lane Redwood Grove, Phillipsville vicinity, on nnw side of Avenue of the Giants); Phillipsville, Garberville Quad. (15', 1951) 121 Comment
  RSA33406  Antirrhinum vexillocalyculatum subsp. breweri Doris K. Kildale 1928-10-19 6953 Humboldt Miranda. Comment
  HSC77514  Aphanes occidentalis K. Berg 1984-4-8 525 Humboldt South spit of Humboldt Bay, 1.4 mi. S of South Jetty, E of road Comment
  UC1198740  Aphanes occidentalis Joseph P. Tracy 1918-4-12 4876 Humboldt near Fish's Mill Creek (Dows Prairie); Northern Coast Ranges 30 Comment
  HSC57887  Apocynum androsaemifolium Overton, Butler 1979-7-31 11438 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  RSA43832  Apocynum androsaemifolium subsp. pumilum H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  RSA85397  Apocynum androsaemifolium subsp. pumilum E. K. Balls, Lee W. Lenz 1956-6-12 21661 Humboldt 4.4 mi SW from Willow Creek, along US Hwy. 299, Willow Creek to Arcata 366 Comment
  JEPS49816  Apocynum cannabinum Lincoln Constance 1934-6-11 848 Humboldt trail along e. bank of S. Fork of Eel N. Dyerville Flat; S. Fork Eel R., Bull Creek Region, N. Dyerville Flat Comment
  CAS-BOT-BC392167  Aquilegia formosa Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC45491  Aquilegia formosa var. formosa Maralyn O'Meara 1972-6-8 102 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  HSC56192  Aquilegia formosa var. truncata Gilbert Muth 1979-8-1 12132 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CAS-BOT-BC17260  Arabidopsis thaliana Joseph Prince Tracy 1932-5-17 10091 Humboldt Northern Coast Ranges. Trinity River Valley, at Willow Creek. 152 Comment
  HSC76368  Arabis breweri var. breweri Denis Kearns 1981-7-21 293 Humboldt Near Whiteys Peak 1585 Comment
  HSC81489  Arabis divaricarpa var. interposita Thomas W. Nelson 1979-7-11 5028 Humboldt Along trail from Grogan's Hole to North Trinity Mtn., from Grogan's Hole to summit. Comment
  HSC57436  Arabis glabra G. L. Clifton, Griswold 1979-7-26 10231 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  RSA0126368  Arabis glabra Joseph P. Tracy 1946-7-7 17610 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC31758  Arbutus menziesii Timothy B. Devine 1974-5-4 324 Humboldt Bank of Chezem Rd. at junction of Hwy. 299 457 Comment
  UCR178912  Arbutus menziesii R. G. Swinney 1968-4-13 243 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  CAS-BOT-BC407747  Arceuthobium abietinum Doris K. Kildale 1926-9-5 2634 Humboldt Lasseck's Peaks, between Goat Camp and Signal Peak 1661 Comment
  SEINET11984830  Arctostaphylos canescens Unknown 1965-1 540 Humboldt on USAL Road, 23 mi N of junction with CA 1 & 2.7 mi S of junction of Four Corners Comment
  CAS-BOT-BC23774  Arctostaphylos columbiana Joseph P. Tracy 1945-5-15 17510 Humboldt Kneeland Prairie 670 Comment
  CAS-BOT-BC23822  Arctostaphylos columbiana Carl B. Wolf 1930-10-29 1040 Humboldt Old Coast Road, 7 miles south of Honeydew Post Office. 304 Comment
  JEPS38962  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt near summit Hoopa Mountain (ridge 1 mi s of road from Hoopa to Bair's) 1219 Comment
  RSA622677  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27669 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
  RSA622691  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27671 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
  UC154196  Arctostaphylos columbiana Joseph Burtt Davy and Walter C. Blasdale 1899-5 Humboldt Fruitland Comment
  UC549499  Arctostaphylos columbiana J. E. Adams 1935-5-12 1047 Humboldt Patrick's Point Comment
  RSA15551  Arctostaphylos columbiana var. columbiana C. B. Wolf 1927-8-30 1241 Humboldt Paradise, 5 or 6 miles N of Ettersburg. Comment
  RSA633024  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27809 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  RSA47101  Arctostaphylos manzanita subsp. elegans Doris K. Kildale 1926-4-6 1718 Humboldt Dobbyns Creek along road from mail box to Log Cabin Ranch Comment
  CAS-BOT-BC38835  Arctostaphylos manzanita subsp. manzanita 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-BC38837  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1920-9-14 s.n. Humboldt Mts. near Willow Creek (1st ridge west of Trinity River on Willow Creek Road) Comment
  CAS-BOT-BC38840  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1921-9-26 s.n. Humboldt Klamath River at Orleans Comment
  POM367342  Arctostaphylos manzanita subsp. manzanita Thomas W. Nelson, Jane Nelson, A. Nelson 1976-2-21 2253 Humboldt Tish-Tang Campground. Comment
  UC249507  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1922-4-30 6043 Humboldt mts. slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, Gopher Camp <Langdons place> 762 Comment
  UC585958  Arctostaphylos nevadensis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8944 Humboldt openings in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC40072  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1918-9-24 s.n. Humboldt Between Redwood and klamath canyons, Bald Hills. Comment
  SEINET11988226  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1981-1 4325 Humboldt Tildel Regional Park Botanic Garden, Berkeley, orig. from French Camp Comment
  HSC70990  Arctostaphylos patula Gail Newton 1980-7-15 1577 Humboldt Near Sims Mtn. 1311 Comment
  CAS-BOT-BC27298  Arctostaphylos tracyi Joseph Prince Tracy 1923-2-18 6141 Humboldt Big Lagoon 6 Comment
  HSC7725  Arctostaphylos uva-ursi S. J. Hawks 1965-3-19 10 Humboldt 1/4 mi. W of Fairhaven Comment
  UC1196878  Arctostaphylos uva-ursi J. P. Tracy 1909-10-7 3111 Humboldt Gans Prairie 457 Comment
  CDA6803  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt Ferndale: Larry Pries Dairy, 3.4 mi. W of Main St, on Centerville Beach Road. 0 Comment
  UC1116236  Arenaria serpyllifolia subsp. serpyllifolia Joseph P. Tracy 1948-5-15 17975 Humboldt Trinity River Valley, Willow Creek 152 Comment
  UC161045  Arenaria serpyllifolia subsp. serpyllifolia Joseph P. Tracy 1911-7-8 3450 Humboldt (Tributary of trinity river) near its mouth Northern Coast Ranges,Willow Creek 152 Comment
  CAS-BOT-BC384746  Arenaria serpyllifolia var. serpyllifolia Joseph P. Tracy 1933-5-18 12192 Humboldt Along Mad River, near Blue Lake 15 Comment
  SEINET3918774  Aristida adscensionis J. I. Mallory 1955-9-17 122 Humboldt North-northwest 3/8 miles of headquarters, Cottrell Ranch. Quad. 29A-2.; 0 747 Comment
  RSA152411  Aristida oligantha Joseph P. Tracy 1938-8-14 16110 Humboldt Trinity River Valley at Willow Creek 152 Comment
  RSA256573  Arnica cernua D. E. Anderson 1972-6-20 5739 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  UC1223000  Arnica discoidea Joseph P. Tracy 1950-8-8 19273 Humboldt near, (2 mi e of town, on trail to Groghan Hole) Box Camp; Trinity Summit 1524 Comment
  HSC4695  Arnica discoidea Lincoln Constance 1934-7-19 910 Humboldt Near the summit of Grasshopper Mtn.; south of Bull Creek Flat, south fork of the Eel River 915 Comment
  HSC49998  Arnica discoidea M. A. Baker 1979-6-7 790 Humboldt W slope of Snow Mtn. 762 Comment
  RSA109296  Artemisia pycnocephala H. E. Parks, S. T. Parks 1952-06 24495 Humboldt Ocean sand dunes, Samoa Comment
  POM126136  Artemisia suksdorfii Joseph P. Tracy 1924-8-10 6812 Humboldt Blue Slide on van Duzen River. 91 Comment
  RSA40781  Artemisia suksdorfii C. B. Wolf 1944-10-26 11470 Humboldt Redwood Highway at Junction of road to Crannell 15 Comment
  UC249827  Artemisia suksdorfii Joseph P. Tracy 1924-8-10 6812 Humboldt Blue Slide on Van Duzen River 91 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
  UC154232  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region 0 Comment
  HSC57024  Asarum caudatum Overton, Butler 1979-7-24 9641 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC58015  Asarum caudatum G. L. Clifton 1979-7-31 11818 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  POM118567  Asarum caudatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC47656  Asarum caudatum Sheila Logan 1978-4-10 181 Humboldt Arcata Community Forest, near PSW Experimental Lab Comment
  POM279301  Asarum caudatum Lyman Benson 1928-7-12 s.n. Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  HSC97950  Asarum hartwegii Cara Witte 2007-6-28 388 Humboldt Forest Service Road 6N08 (Friday Ridge Road). Near mile post 9.31 1278 Comment
  POM127914  Asclepias speciosa P. E. Goddard 1906-06 688 Humboldt Blocksburg Comment
  HSC100386  Aspidium aculeatum var. californicum Carl C. Marshall Jun 1887 483 Humboldt Jewett Creek. Comment
  HSC73050  Aspidotis densa M. A. Baker 1980-7-11 2777 Humboldt Near Red Mtn. 1341 Comment
  RSA273373  Aspidotis densa Thomas W. Nelson, Jane Nelson 1976-7-1 2906 Humboldt North of Bear Creek 1463 Comment
  RSA417636  Aster chilensis C. B. Wolf 1937-9-14 9355 Humboldt Redwood Highway 4 mi N of Loleta. 8 Comment
  HSC92746  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Rd. 500 Comment
  JEPS16849 Image available Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten and Pierce Ranch); ; Tosten & Pierce Ranch, near Bear Buttes, S of Miranda, Humboldt Co. 762 Comment
  UC502991 Image available Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten & Pierce Ranch) 762 Comment
  CAS-BOT-BC186562  Astragalus nuttallii var. virgatus F. H. Utech 1986-5-23 86 -385 Humboldt King Mountain Range: 0.5 mi NNW on Kings Peak Road (Humboldt Co. hwy C4A) from junction with Shelter Cove Road 600 Comment
  CAS-BOT-BC193138  Astragalus rattanii var. rattanii Frank W. Peirson 1926-7-15 7058 Humboldt Mad River, vicinity of Blue Lake Comment
  HSC101497  Astragalus umbraticus Thomas W. Nelson, Jane P. Nelson 1987-6-27 8620 Humboldt Along Forest Service Road to Onion Lake, 8.2 miles from junction with State Route 96 823 Comment
  HSC57044  Asyneuma prenanthoides Overton, Butler 1979-7-24 9693 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC69520  Athyrium filix-femina subsp. cyclosorum L. R. Abrams 1916-7-11 6053 Humboldt At mouth of Grizzly Creek on Van Duzon River. Comment
  RSA46703  Athyrium filix-femina subsp. cyclosorum Doris K. Kildale 1928-12-29 6762 Humboldt Stevens Grove Comment
  HSC44050  Athyrium filix-femina var. cyclosorum Thomas W. Nelson, Jane Nelson 1977-6-19 3493 Humboldt Above Alder Springs, N of pond 1585 Comment
  HSC101991  Athysanus pusillus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 890 Humboldt Patterson Meadows 1566 Comment
  UCR37541  Athysanus pusillus L. P. Janeway 1983-5-21 300 Humboldt Above Titlow Hill Road. 3.3 mi south of Hwy 299 1250 Comment
  CAS-BOT-BC170275  Atriplex confertifolia Dr. A. Kellogg; W. G. W. Harford 1868-1-1 862 Humboldt Humboldt Comment
  UC1152027  Avena fatua Joseph P. Tracy 1951-5-26 19510 Humboldt Willow Creek Trinity River Valley, Trinity River 152 Comment
  UCD56261  Avena fatua A. H. Murphy 1951-4-2 8 Humboldt Alongside U.S. Hwy. 101. 1/4 mile south of Phillipville. Comment
  UC275449  Azolla filiculoides Parks and Tracy 1925-6-24 2763 Humboldt ditches along R.R. and tide flats Eureka Comment
  HSC5123  Baccharis douglasii W. L. Jepson 1932-7-24 16391 Humboldt Tooey Ranch, Garberville Comment
  CAS-BOT-BC98028  Baccharis pilularis Elmer I. Applegate 1923-9-12 3990 Humboldt Stone Lagoon Comment
  CAS-BOT-BC98029  Baccharis pilularis Elmer I. Applegate 1922-9-19 3451 Humboldt Along the coast below Eureka Comment
  CDA30197  Baccharis pilularis M. K. Beyers, I. Shepardson 2009-9-13 258 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  RSA254757  Baccharis pilularis Thomas W. Nelson 1971-11-11 601 Humboldt Growing on the sand dunes at the foot of Murray Rd. McKinleyville Comment
  UC249856  Baccharis pilularis Joseph P. Tracy 1923-10-6 6565 Humboldt Eureka Humboldt Bay 30 Comment
  UC673030  Baccharis pilularis Joseph P. Tracy 1940-10-17 16764 Humboldt Camp Grant, 2-5 mi e of the South Fork of Eel River Eel River 45 Comment
  HSC5118  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-9-4 1102 Humboldt Arcata; in the Hollow N of Dune 3 N Christenson Farm, Samoa Peninsula Comment
  HSC78978  Baccharis pilularis subsp. consanguinea L. P. Janeway 1984-12-5 1192 Humboldt On the N Spit of Humboldt Bay; on the W side Samoa Rd. near the boat ramp 5 Comment
  SEINET3132551  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-11-20 1409 Humboldt Arcata; at the edge of the vernal pond community; hollow 10, W.M. Lanphere farm; Samoa Peninsula. Comment
  BLMAR522  Barbarea orthoceras Jennifer Wheeler 2009-4-30 522 Humboldt King range, Hidden Valley trail Comment
  HSC102640  Barbarea vulgaris M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1624 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  CHSC284  Bellis perennis M. Underhill 1952-7-13 Humboldt 1 Comment
  JEPS31856  Bellis perennis Joseph P. Tracy 1937-6-20 15345 Humboldt 10 miles up from mouth of Bear River Bear River 152 Comment
  UCR123950  Bellis perennis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6993 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  CAS-BOT-BC48158  Bensoniella oregona R. Bacigalupi; L. Constance; Reid Moran; R. L. Rodriguez; Joe Tracy; Sherwin Carlquist 1951-6-14 3410 Humboldt Bald Mountain ridge - in bog, edge of forest at High Prairie, on long high ridge between Mad River and Redwood Creek 1066 Comment
  CAS-BOT-BC48159  Bensoniella oregona R. Bacigalupi; L. Constance; Reid Moran; R. L. Rodriguez; Joe Tracy; Sherwin Carlquist 1951-6-14 3410 Humboldt Bald Mountain ridge - in bog, edge of forest at High Prairie, on long high ridge between Mad River and Redwood Creek 1066 Comment
  JEPS8443  Bensoniella oregona Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3416 Humboldt edge of meadow at Snow Camp High Prairie (ridge between Mad River and Redwood Creek (Bald Mountain ridge)); btw Mad River and Redwood Crk (Bald Mountain), High Prairie 1432 Comment
  UC1198850  Bensoniella oregona Mrs. R. D. Douglas 1920-6-26 Humboldt Murphy Meadow; on Bald Mt., Murphy Meadow 1066 Comment
  UC774938  Berberis aquifolium var. aquifolium Carl B. Wolf 1937-8-13 9233 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit) 1219 Comment
  HSC28089  Berberis nervosa J. D. Ackerman 1973-4-29 77 Humboldt 2 mi. NE of Kneeland Comment
  HSC31651  Berberis nervosa Timothy B. Devine 1974-5-4 321 Humboldt 1/4 mi. N of junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  CHSC23180  Berberis pinnata Robert F. Thorne; P. Everett 1965-8-5 35141 Humboldt 5.2 mi. N of junction of Horse Mt. and Shelter Cove Roads. 457 Comment
  RSA24106  Berberis pinnata C. B. Wolf 1941-3-2 9989 Humboldt N. Coast Range. Bull Creek-Petrolia Road. 1/4 mi. s. of Panther Gap. 549 Comment
  CAS-BOT-BC412987  Bistorta bistortoides Doris K. Kildale 1928-5-27 5936 Humboldt Kneeland Prairie 853 Comment
  CAS-BOT-BC412989  Bistorta bistortoides Volney Rattan 1882-1-1 s.n. Humboldt Kneeland 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
  JEPS109416  Boechera subpinnatifida D. W. Taylor 2004-6-24 19131 Humboldt Horse Mountain, along Titlow Hill Road, 0.4 miles N from junction with the road to the mountain summit. Comment
  CHSC69843  Bolboschoenus maritimus subsp. paludosus Leonel Arguello 1989-6-11 Humboldt At the Lanphere-Christensen Dunes Preserve 3 miles west of Arcata. Along the edge of the salt marsh, approximately 50 ft. west of the Salt Marsh trail. Comment
  HSC37915  Bolboschoenus robustus Peter Sorensen 1976-7-14 Humboldt Humboldt Bay, Woodley Island Comment
  HSC16669  Boschniakia strobilacea D. E. Anderson 1965-6-1 3773 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  HSC16673  Boschniakia strobilacea W. M. Lanphere 1937-5-11 Humboldt Hoopa Comment
  HSC65854  Boschniakia strobilacea Gail Newton 1980-6-24 602 Humboldt Near Ladder Rock 1570 Comment
  UC585961  Boschniakia strobilacea Joseph P. Tracy 1925-6-7 7059 Humboldt Northern Coast Ranges, Willow Creek Canyon. 609 Comment
  HSC99464  Boykinia major K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 118 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA20790  Boykinia major Carl B. Wolf 1937-8-13 9255 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  CAS-BOT-BC420257  Boykinia occidentalis Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  CAS-BOT-BC420277  Boykinia occidentalis J. P. Tracy 1901-6-30 1210 Humboldt Immediate vicinity of Eureka Comment
  HSC96479  Boykinia occidentalis Gordon Leppig 1997-6-19 441 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  CAS-BOT-BC420259  Boykinia occidentalis A. A. Heller 1937-6-11 15893 Humboldt along U.S. Highway #101 between Bishop Pine Lodge and Big Lagoon Comment
  HSC6580  Brassica rapa J. L. Baker 1965-3-9 5 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  CAS-BOT-BC106287  Brickellia californica Joseph P. Tracy 1934-9-30 13681 Humboldt Bridgeville, on river bar 198 Comment
  CAS-BOT-BC106289  Brickellia californica E. G. Johnston 1931-8-1 s.n. Humboldt Myers, S. Fork Eel River Comment
  UC581795  Brickellia californica Joseph P. Tracy 1931-10-18 9736 Humboldt Camp Grant, along Eel River, 2-5 mi e of the South Fork Eel River 45 Comment
  UCD57367  Briza maxima R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  HSC84929  Briza minor R. N. Raynor 1935-6-7 Humboldt Ft. Seward Comment
  JEPS5502  Brodiaea stellaris Joseph P. Tracy 1923-7-4 6526 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  POM160287  Brodiaea stellaris Joseph P. Tracy 1925-5-30 7024 Humboldt Mcclellan Mountain. 823 Comment
  SEINET247908  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1927-6-8 8111 Humboldt Trinidad. Comment
  UC1197735  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1936-6-9 14893 Humboldt s of point of Cape; Cape Mendocino 3 Comment
  CAS-BOT-BC144348  Bromus W. R. Dudley 1899-6-19 s.n. Humboldt Scotia. Comment
  UCD58203  Bromus carinatus A. H. Murphy 1951-4-18 s.n. Humboldt Tooby and Prior Ranch, Blocksburg. 457 Comment
  UC1103276  Bromus carinatus var. carinatus J. P. Tracy 1900-5-28 817 Humboldt immediate vicinity of Eureka 0 Comment
  UC37586  Bromus carinatus var. carinatus Joseph Burtt Davy 1899-6-8 5351 Humboldt near Bell's Springs Comment
  JEPS72928  Bromus diandrus Lincoln Constance 1934-5-26 674 Humboldt Bull Creek Region, South Fork Eel River, s end of Dyerville Bridge Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  UC1714488  Bromus diandrus Joseph P. Tracy 1916-5-31 4702 Humboldt along Eel River from South Fork to Scotia, Stitz Creek Stitz Creek; Northern Coast Ranges, Eel River, Stitz Creek 60 Comment
  BLMAR158  Bromus hordeaceus Donald Hazlett 1994-6-7 158 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC102645  Bromus hordeaceus J. P. Smith 2009-5-31 12607 Humboldt Bald Hills Road. 713 Comment
  HSC38398  Bromus hordeaceus J. D. Ackerman 1975-6-10 449 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC90690  Bromus hordeaceus Gail Newton 1982-5-31 3554 Humboldt Elk River Wildlife Area, Eureka Comment
  SEINET200935 Image available Bromus orcuttianus var. orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt On Friday Ridge, at Friday's Camp. 1219 Comment
  HSC9266  Bromus racemosus L. M. Malloy 1965-5-15 16 Humboldt N of Trinidad about 2 mi. on Trinity St. Comment
  UC188942  Bromus secalinus J. Burtt Davy 1899-6-20 5688 B Humboldt North Coast Ranges, Hoopa Valley Hoopa Valley; North Coast Ranges, Hoopa Valley Comment
  POM160825B  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Stitz Creek. Along Eel River South Fork to Scotia. 61 Comment
  RSA126835  Bromus sterilis H. S. Yates 1936-5-17 5714 Humboldt Near Burr valley; South Fork Pk. 915 Comment
Read comments
Apr 6 2017
  HSC70780  Bromus tectorum R. York 1980-5-17 546 Humboldt Near Le Perron Peak 1066 Comment
  CAS-BOT-BC185518  Bromus vulgaris Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans. Comment
  RSA46798  Cacaliopsis nardosmia Doris K. Kildale 1926-4-18 1776 Humboldt McClellan Mountain. Comment
  CAS-BOT-BC36855  Cakile edentula var. edentula Alice Eastwood; John Thomas Howell 1934-4-11 1323 Humboldt Trinidad. Comment
  SD38262  Cakile edentula var. edentula Edith A. Purer 1932-7-27 4140 Humboldt Samoa Comment
  HSC6607  Cakile maritima S. J. Hawks 1965-3-19 11 Humboldt 0.5 mi. W of Arcata Airport Comment
  SEINET11993511  Cakile maritima F. H. Utech 1986-1 86 -403 Humboldt Cape Mendocino, along Pacific Ocean 5 Comment
  CAS-BOT-BC36911  Cakile maritima var. maritima Kenneth Clark 1981-5-24 1395 Humboldt Shelter Cove. 300 yards west of Dead Man's gulch. 3 Comment
  CAS-BOT-BC185178  Calamagrostis nutkaensis Ira L. Wiggins 1932-7-25 5898 Humboldt Roadsides near McKenleyville. Comment
  HSC76535  Calamagrostis nutkaensis D. K. Imper 1981-7-21 897 Humboldt Near Table Bluff 38 Comment
  RSA53787  Callitriche heterophylla H. M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley Place. Orleans region. Comment
  HSC76318  Calocedrus decurrens Teresa Prendusi 1981-7-9 242 Humboldt Near Slate Creek Butte 1122 Comment
  SEINET4152158  Calochortus amabilis Unknown 1914-5-14 4422 Humboldt Fort Seward 122 Comment
  SEINET12051376  Calochortus coeruleus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -315 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Road (USFS Rd. 411) 150 Comment
  HSC96227  Calochortus tolmiei M. Lindquist, C. Riley 2005-6-3 1 Humboldt 19.3 mi. S of Hwy. 299 on NF 1 1205 Comment
  UC14999  Calochortus tolmiei Mrs. M. H. Manning Apr 1901 10 Humboldt near Hupa Comment
  UC1197690  Calochortus vestae Joseph P. Tracy 1918-6-16 4953 Humboldt Eureka Northern Coast Ranges Comment
  UC1222580  Caltha biflora Joseph P. Tracy 1951-6-14 19408 Humboldt Snow Camp. 1402 Comment
  RSA47127  Calycadenia ciliosa Doris K. Kildale 1925-8-13 1126 Humboldt Willow Creek 152 Comment
  POM273040  Calycadenia ciliosa H. M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  UC34174  Calycadenia truncata Harley P. Chandler 1901-6-1 1492 Humboldt Klamath River 426 Comment
  BLMAR74  Calypso bulbosa Jennifer Anthony-Wheeler 1994-6-2 74 Humboldt IAQUA 1036 Comment
  HSC16566  Calypso bulbosa J. F. Knezevich 1968-4-20 426 Humboldt E of Korbel on Bald Mtn. 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
  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
  UC13637  Calyptridium umbellatum Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  HSC24381  Calystegia occidentalis subsp. occidentalis J. O. Sawyer 1970-6-24 2244 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  JEPS31595  Calystegia occidentalis subsp. occidentalis W. L. Jepson 1934-5-7 16700 Humboldt Buckeye Prairie , Buckeye Prairie (Bull Creek) Comment
  RSA178575  Calystegia purpurata Joseph P. Tracy 1950-6-8 18769 Humboldt Near petrolia Hills between Town and Ocean. Comment
  BLMAR68  Calystegia soldanella Jennifer Anthony-Wheeler 1994-5-18 68 Humboldt Samoa/manilla dunes, growing in dune mat with I the Samoa Rec. area wetland 6 Comment
  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
  UC1225829  Camassia quamash Joseph P. Tracy 1947-6-26 17743 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC36594  Camissonia strigulosa K. Irwin 1976-4-17 Humboldt 1/2 mi. S of Lamphere Nature Conservancy next to Mad River Slough Comment
  CAS-BOT-BC160245  Camissoniopsis cheiranthifolia subsp. cheiranthifolia D. E. Breedlove 1962-6-7 3036 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  SEINET10462885  Campanula prenanthoides Baker 1947-8-8 Baker 11925 Humboldt 10 mi along rd. from hwy. 101 N of Orick towards Hoopa. 610 Comment
  SEINET10462986  Campanula prenanthoides Ira L. Wiggins 1930-7-22 Wiggins 4690 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  UC169062  Campanula scouleri Mrs. M. H. Manning July, 1901 305 Humboldt near Hupa; Bald Hills 457 Comment
  HSC98724  Campanula scouleri Cara Witte 2008-7-16 919 Humboldt Forest Service Road 4N38. At intersection to Board Camp Lookout. 1414 Comment
  UC29021  Campanula scouleri C. C. Marshall 1886-1 Humboldt Comment
  HSC89572  Capsella bursa-pastoris M. Roantree 1985-4-25 9 Humboldt E side of Trinidad Head. Comment
  HSC45593  Cardamine californica Diane L. Reed 1978-4-22 38 Humboldt Trinidad Head Comment
  HSC6691  Cardamine californica D. E. Anderson 1962-3-31 1965 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  JEPS53400  Cardamine californica var. integrifolia Lincoln Constance 1934-5-26 651 Humboldt near Founders' Tree (North Dyerville Flat Grove, South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel R, North Dyerville Flat gr 48 Comment
  UC1199194  Cardamine nuttallii Joseph P. Tracy 1933-6-11 12665 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1371 Comment
  HSC34649  Cardamine oligosperma Linda M. Barker 1974-5-11 172 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  HSC40428  Cardamine oligosperma Linda M. Barker 1976-3-11 1325 Humboldt 3 mi. W of Arcata Comment
  HSC6639  Cardamine oligosperma S. J. Hawks 1965-3-12 4 Humboldt 0.5 mi. W of Fairhaven Comment
  HSC89488  Cardamine oligosperma P. A. Daly 1986-2-28 66 Humboldt Trinidad Head, along trail 61 Comment
  UC673286  Cardamine oligosperma Lincoln Constance and Reed C. Rollins 1942-5-11 2871 Humboldt three mi e East Fork Willow Creek; North Coast Ranges, e of East Fork Willow Creek Comment
  CAS-BOT-BC38127  Cardamine pensylvanica Joseph P. Tracy 1937-7-2 15401 Humboldt Trinity Summit. Head of Little Hors-Linto Creek. 1371 Comment
  UC668056  Cardaria draba Joseph P. Tracy 1938-6-12 15895 Humboldt opposite mouth of Van Duzen River (Eel River, Alton to Fortuna); Eel River 15 Comment
  HSC37574  Cardionema ramosissimum J. D. Ackerman 1975-6-10 458 Humboldt 1 mi. N of Samoa bridge turnoff from Samoa Blvd., S of Manila Comment
  UCR121762  Cardionema ramosissimum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6997 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  POM148066  Cardionema ramosissimum J. B. Feudge 1923-7-21 129 Humboldt Ferndale. Comment
  SEINET201070  Carduus pycnocephalus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  HSC70463  Carex amplifolia Gail Newton 1980-7-20 1640 Humboldt Near Bell Swamps 1426 Comment
  UC249738  Carex aquatilis var. dives Joseph P. Tracy 1923-6-24 8352 Humboldt Bald Mountain, meadow near High Prairie Northern Coast Ranges 1066 Comment
  SEINET7484301 Image available Carex barbarae Peter F. Zika 2009-1 24503 Humboldt E side of Route 96, near town of Hoopa, W side of Trinity River, Outer North Coast Range (NCoRO) 90 Comment
  UC1103627  Carex barbarae Joseph P. Tracy 1928-6-17 8452 Humboldt Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC19441  Carex bolanderi Joseph Prince Tracy 1935-6-23 13985 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  JEPS109248  Carex bolanderi D. W. Taylor 2007-7-11 20160 Humboldt Six Rivers National Forest, White Oak Opening, along Forest Hwy 1. Comment
  UC1265367  Carex bolanderi Robert F. Thorne and P. Everett 1965-8-5 35136 Humboldt Mt. Chamisal, below summit Comment
  SEINET7552610 Image available Carex bolanderi David Castaner 1989-6-19 10248 b Humboldt Fern Canyon. Comment
  BLMAR357  Carex cusickii Jennifer Anthony-Wheeler 2003-7-23 357 Humboldt Headwaters Forest Reserve, growing in natural pond with large floating rafts of logs 426 Comment
  HSC103329  Carex densa Thomas W. Nelson, Jane Nelson 1982-7-11 7116 Humboldt Along road from Hindley's cabin on McKeown Ranch to Anderson's Ford at Mad River Comment
  HSC38078  Carex densa Thomas W. Nelson, James Nelson 1976-5-30 2629 Humboldt McKeown Ranch, N of Dinsmore. Comment
  CAS-BOT-BC34978  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  CAS-BOT-BC34979  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  UC562259  Carex densa Joseph P. Tracy 1928-6-17 8453 Humboldt Trinity River Valley, at Willow Creek Northern Coast Ranges 152 Comment
  UC1103105  Carex deweyana subsp. leptopoda Joseph P. Tracy 1916-5-31 4694 Humboldt Eel River from South Fork to Scotia Northern Coast Ranges (Holmes Flat) 60 Comment
  CAS-BOT-BC20076  Carex echinata Joseph Prince Tracy 1926-6-27 7666 Humboldt Northern Coast Ranges. Horse Mountain. 1463 Comment
  UC1103127  Carex echinata subsp. echinata Joseph P. Tracy 1923-6-24 6372 Humboldt in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  SEINET7558331 Image available Carex exsiccata L. P. Janeway 2003-7-30 7941 Humboldt Grouse Mountain Quad, High North Coast Ranges. On the southwest side of Titlow Hill Road 1.1 km south of Cold Springs. 1426 Comment
  UC1103079  Carex feta Joseph P. Tracy 1936-6-3 14846 Humboldt at Willow Creek Trinity River Valley 152 Comment
  HSC98938  Carex fracta Cara Witte 2007-6-28 389 Humboldt Friday Ridge Road/ 6N08. 1389 Comment
  UC1103566  Carex geyeri Joseph P. Tracy 1947-7-9 17858 Humboldt Horse Mountain 1432 Comment
  UC562715  Carex globosa Joseph P. Tracy 1932-4-23 9832 Humboldt Englewood North Coast Ranges 91 Comment
  CAS-BOT-BC22316  Carex harfordii Joseph Prince Tracy 1927-7-17 8279 Humboldt Three Cabins; grassy slopes on lower western foothills of Chaparral Mountain. Edge of pond. 457 Comment
  SEINET7854031 Image available Carex hendersonii V. Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of Eel River Comment
  UC562263  Carex jonesii Joseph P. Tracy 1935-7-26 14257 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  SEINET7563579 Image available Carex laeviculmis L. P. Janeway 2003-7-30 7938 Humboldt High North Coast Ranges, Cold Spring, 0.6 km north of the top of Titlow Hill. Grouse Mountain Quad. 1454 Comment
  UC562427  Carex laeviculmis Joseph P. Tracy 1933-7-25 12856 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC58794  Carex luzulina Overton, Butler 1979-7-31 11460 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  CAS-BOT-BC31664  Carex lyngbyei Joseph Prince Tracy 1938-7-15 16069 Humboldt In salt marsh and edges of sloughs, Mouth of Eel River. 3 Comment
  JEPS79849  Carex lyngbyei Joseph P. Tracy 1927-7-16 8248 Humboldt near mouth Elk River (around Humboldt Bay); Northern Coast Region 3 Comment
  UC1133402  Carex lyngbyei H. S. Yates 1936-6-23 5861 Humboldt 1 mi w Bayside; Eureka Quadrangle 0 Comment
  UC562321  Carex lyngbyei Joseph P. Tracy 1935-6-8 13945 Humboldt around Humboldt Bay; Northern Coast Region 6 Comment
  CAS-BOT-BC146625  Carex mendocinensis Joseph P. Tracy 1935-7-14 14086 Humboldt Grouse Mountain 1524 Comment
  HSC82414  Carex microptera Thomas W. Nelson 1979-7-11 5033 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  UC152055  Carex multicaulis Joseph P. Tracy 1950-7-1 18958 Humboldt near Friday Camp; Grouse Mountain, Friday Ridge 1219 Comment
  HSC103353  Carex nervina Thomas W. Nelson, Jane Nelson 1987-6-11 8604 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  HSC79284  Carex nudata L. P. Janeway 1984-5-13 777 Humboldt Along N fork of Yager Creek, 18 mi. E of Kneeland Post Office 381 Comment
  UC202482  Carex nudata J. P. Tracy 1903-5-22 1885 Humboldt Alder Point, Cahto Creek 152 Comment
  CAS-BOT-BC119308  Carex obnupta Robert F. Thorne; P. Everett 1965-8-7 35199 Humboldt Big Lagoon, at edge of bog at S end of lagoon. Comment
  HSC76819  Carex obnupta L. P. Janeway 1982-8-7 112 Humboldt Along Prairie Creek, ~5 mi. N of Prairie Creek Campground along Hwy. 101 183 Comment
  HSC102163  Carex pachystachya M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1073 Humboldt Patterson Meadows 1555 Comment
  JEPS79854  Carex pachystachya Joseph P. Tracy 1932-7-14 10548 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  UC1103100  Carex pachystachya Joseph P. Tracy 1935-6-23 13983 Humboldt French Camp Ridge 1066 Comment
  SEINET10883545  Carex pachystachya Joseph P. Tracy 1935-6-8 Tracy 13938 Humboldt Eureka. Damp place in open ground. Comment
  CAS-BOT-BC119163  Carex pansa Joseph Prince Tracy 1935-7-18 14104 Humboldt Low sandy ground at edge of salt marsh, next to Table Bluff. Around Humboldt Bay. 3 Comment
  HSC32420  Carex pansa Rudolf W. Becking 1974-6-15 Humboldt Between Samoa and Fairhaven, W of connecting road Comment
  UC303073  Carex praticola Joseph P. Tracy 1915-6-6 4641 Humboldt Eureka, Stephen Hill place Northern Coast Region 0 Comment
  CHSC115860  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain, Outer North Coast Ranges. 1190 Comment
  UC562655  Carex subbracteata Joseph P. Tracy 1935-5-24 13811 Humboldt Eureka Northern Coast Ranges 0 Comment
  JEPS79866  Carex tumulicola Joseph P. Tracy 1916-6-19 4712 Humboldt Laribee Creek at Bosworth's; Northern Coast Ranges, Laribee Creek 457 Comment
  UC1103114  Carex tumulicola Joseph P. Tracy 1927-7-21 8288 Humboldt Carlotta Northern Caost Ranges 60 Comment
  UC249554  Carex unilateralis Joseph P. Tracy 1921-6-12 5828 Humboldt Butler Valley 152 Comment
  JEPS26002  Carex unilateralis Joseph P. Tracy 1938-7-5 16007 Humboldt old Strongs Distrcict School House, 5 miles E of town 45 Comment
  UC585635  Carex unilateralis Joseph P. Tracy 1937-8-7 15618 Humboldt Bald Mountain, Murphy Ridge 914 Comment
  HSC103141  Carex utriculata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1067 Humboldt Patterson Meadows 1555 Comment
  SEINET11064162  Carex vallicola Unknown 1995-7-22 15308 Humboldt Pine Forest Range Comment
  HSC26372  Carpobrotus chilensis T. O. Osborne 1970-9-16 37 Humboldt Trinidad Bay, Prisoner Rock Comment
  HSC49819  Carpobrotus chilensis R. York 1979-4-13 241 Humboldt Bluffs surrounding College Cove. Comment
  HSC90439  Carpobrotus chilensis Jean Hanson 1980-3-8 14 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, SW shore 15 ft. from high tide line. Comment
  HSC91590  Carpobrotus chilensis E. Mackey 1987-2-5 Humboldt Patrick's Point State Park, area next to Wedding Rock. Comment
  CDA6948  Carthamus lanatus T. C. Fuller 1962-8-7 9365 Humboldt Luke s Prairie, on ridge 1 mile north above Bull Creek, ca. 2 miles west of Dyerville. 0 Comment
  UC162563  Castilleja Joseph P. Tracy 1911-5-30 3199 Humboldt Eureka; Northern Coast Region 0 Comment
  HSC98630  Castilleja affinis subsp. affinis Cara Witte 2007-8-1 614 Humboldt Friday Ridge Road (Forest Service Road 6N08); ~ 1/2 mile north of intersection with Forest Service Road 5N39. 1505 Comment
  UC1196741  Castilleja affinis subsp. affinis Joseph P. Tracy 1942-7-1 17366 Humboldt opposite Buck Mountain (Dinsmore's, along Van Duzen River); Van Duzen River 762 Comment
  HSC104289  Castilleja affinis subsp. litoralis Samantha E. Andres 2016-6-3 10 Humboldt About 0.5 mi. down the road from Table Bluff to the OHV road at South Jetty 29 Comment
  JEPS55949  Castilleja affinis subsp. litoralis T. I. Chuang and L. R. Heckard 1968-7-3 6456 Humboldt Table Bluff Comment
  UC1196864  Castilleja affinis subsp. litoralis J. P. Tracy 1901-5-12 1084 Humboldt immediate vicinity Eureka 0 Comment
  UC582582  Castilleja affinis subsp. litoralis H. E. Parks and Joseph P. Tracy 1923-5-19 6208 Humboldt vicinity Trinidad 60 Comment
  HSC32372  Castilleja ambigua subsp. humboldtiensis Linda M. Barker 1974-5-19 198 Humboldt S G St., Arcata 0 Comment
  BLMAR161  Castilleja applegatei subsp. pinetorum Donald Hazlett 1994-6-7 161 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC255520  Castilleja applegatei var. pinetorum Clarence R. Quick 1959-7-24 59 -32 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC48386  Castilleja hispida subsp. brevilobata Brad Klipfel 1973-6-10 110 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC99512  Castilleja miniata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 174 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
  UC1196746  Castilleja pruinosa Joseph P. Tracy 1942-6-23 17227 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC176983  Castilleja pruinosa Joseph P. Tracy 1912-7-31 3931 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  JEPS103928  Castilleja pruinosa T. I. and F. M. Chuang 1991-7-9 7876 Humboldt Horse Mt. Comment
  RSA254787  Castilleja pruinosa Thomas W. Nelson 1974-5-30 1349 Humboldt Growing along the Hoopa-Redwood Valley Road. Comment
  UC1502114  Ceanothus R. Sutherland 1976-5-11 7 .11.76 Humboldt just outside Sec 32 Pt. Delgado Quad.; Pt. Delgada Quad. 609 Comment
  UC1502127  Ceanothus R. Sutherland 1975-7-1 2 .1.7 75 Humboldt along Baker Creek; Garberville Quad., along Baker Creek 335 Comment
  HSC44432  Ceanothus arcuatus Brad Klipfel 1975-5-24 634 Humboldt Horse Mtn. Comment
  UCR101304  Ceanothus foliosus subsp. foliosus L. C. Wheeler 1959-8-1 7619 Humboldt Queens Peak Mine Comment
  HSC100624  Ceanothus integerrimus Carl C. Marshall Jun 1886 262 Humboldt Bald Hills. Comment
  HSC18291  Ceanothus integerrimus L. D. Napier 1962-5-13 4 Humboldt 10 mi W of Junction City near Hwy. 299 457 Comment
  JEPS42458  Ceanothus integerrimus W. L. Jepson 1902-6-19 1879 Humboldt Bell's Spring to Harris 1066 Comment
Read comments
Sep 7 2007
  HSC36674  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 3 .11775 Humboldt Along county rd. 290 Comment
  RSA136480  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1918-5-1 4902 Humboldt Kneeland Prairie. 762 Comment
  CAS-BOT-BC51209  Ceanothus parryi Mrs. E. C. Suttiffe 1933-6-3 s.n. Humboldt Redwood Highway, west Humboldt County Comment
  HSC37084  Ceanothus parryi R. Sutherland 1975-5-30 4 .30575 Humboldt 320 Comment
  CAS-BOT-BC51208  Ceanothus parryi W. R. Dudley 1899-6-1 s.n. Humboldt Near grade descending from the hills to Eel River Comment
  CAS-BOT-BC52955  Ceanothus thyrsiflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  HSC37610  Ceanothus thyrsiflorus R. Sutherland 1975-5-8 15 .8575 Humboldt 5 mi NW of Petrolia where county rd. reaches ocean 30 Comment
  RSA46804  Ceanothus thyrsiflorus Doris K. Kildale 1927-3-29 3289 Humboldt Bug Creek. Comment
  SBBG4536  Ceanothus thyrsiflorus var. thyrsiflorus M. J. Cody 1938-7-14 Humboldt Trinidad Comment
  HSC37061  Ceanothus velutinus R. Sutherland 1975-6-19 0 .19675 Humboldt 320 Comment
  HSC90080  Ceanothus velutinus Grefsrud, Reed, Rohmer 1990-4-28 83 Humboldt 200 yds E of Willow Creek proper 220 Comment
  JEPS30696  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt 2 mi s of Redcrest; Horse Prairie Comment
  HSC98771  Centaurea diffusa Cara Witte 2007-8-9 634 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1584 Comment
  UC1198631  Centaurium muehlenbergii Joseph P. Tracy 1918-7-1 4965 Humboldt from South Fork to Scotia (Holmes Flat, along Eel River); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  RSA34292  Centaurium muehlenbergii Doris K. Kildale 1927-7-11 3717 Humboldt Blue Slide on Van Duzen River Comment
  UC162716  Centaurium muehlenbergii Joseph P. Tracy 1911-7-10 3485 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC98060  Cephalanthera austiniae Cara Witte 2007-7-11 495 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  HSC34450  Cephalanthera austiniae A. Montalvo, J. D. Ackerman 1975-6-22 495 Humboldt 2 mi. E of Bridgeville along Hwy. 36 Comment
  JEPS64317  Cephalanthera austiniae Chesnut and Drew 1888-1 Humboldt Comment
  UC1198319  Cerastium arvense Joseph P. Tracy 1927-5-15 8049 Humboldt ridge w. of Hoopa Valley (up Supply Creek); Supply Creek 304 Comment
  UC1537306  Cerastium arvense Gordon H. True Jr. 1936-5-11 457 Humboldt 12 mi. w. Miranda (gully on w. slope of Elk Ridge); Elk Ridge 457 Comment
  HSC98768  Cerastium fontanum subsp. vulgare Cara Witte 2007-8-8 621 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1547 Comment
  HSC73156  Cerastium glomeratum M. A. Baker 1980-5-18 1298 Humboldt Near Black Mtn. 1006 Comment
  HSC14611  Cercis occidentalis R. A. Rasp 1964-4-5 27 Humboldt 3 mi. past Willow Creek on Willow Creek Rd. Comment
  RSA2940  Cercis occidentalis Carl B. Wolf 1931-8-31 2380 Humboldt West side of South fork of Trinity River, 1 mi. above its mouth. Comment
  UC582766  Chaenactis douglasii var. douglasii Joseph P. Tracy 1935-7-30 14357 Humboldt Salmon Summit 1767 Comment
  CAS-BOT-BC85651  Chamaecyparis lawsoniana Thomas Nelson 1977-10-20 3758 Humboldt Mixed evergreen forest above junction of Maple Creek and Kneeland roads. 853 Comment
  UC199010 Image available Chamaesyce serpyllifolia Chesnut and Drew 1888-7-23 Humboldt Hy-am-pum Comment
  SBBG60189  Chamerion angustifolium R. Hartwell 1938-8-7 Humboldt near Eureka Comment
  HSC55098  Chamerion angustifolium subsp. circumvagum G. L. Clifton 1979-7-31 11811 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC98520  Chamerion angustifolium subsp. circumvagum Cara Witte 2008-8-6 998 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  CAS-BOT-BC68266  Cheilanthes gracillima Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC73665  Cheilanthes gracillima M. A. Baker 1980-7-15 2965 Humboldt Near Whiting Ridge. 1341 Comment
  HSC76324  Cheilanthes gracillima Teresa Prendusi 1981-7-21 267 Humboldt Near Whiteys Peak 1646 Comment
  HSC996  Cheilanthes gracillima D. E. Anderson 1965-4-24 3539 Humboldt Along Titlow Hill Rd. 2 mi. from its junction with Hwy. 299 Comment
  HSC25383  Chenopodium album Thomas W. Nelson 1972-10-25 702 Humboldt Eureka, waste area of Harris and B St. Comment
  CHSC76026  Chenopodium rubrum var. rubrum Vernon H. Oswald 1999-8-19 9834 Humboldt Coastal Strand. Clam Beach County Park on Hwy. 101 between Arcata and Trinidad. 6 Comment
  CAS-BOT-BC451385  Chimaphila menziesii Harley P. Chandler 1901-6-1 1398 Humboldt North Coast Ranges, Hupa Indian Reservation 152 Comment
  RSA467017  Chimaphila umbellata subsp. occidentalis H. M. Pollard 1948-7-31 237 Humboldt Orleans Mt. 1372 Comment
  HSC15440  Chlorogalum pomeridianum Elrid H. Spinas 1948-5-15 13 Humboldt Horse Mtn. Comment
  CAS-BOT-BC236920  Chloropyron maritimum subsp. palustre Malcom A. Nobs; S. Galen Smith 1949-8-3 1200 Humboldt Bordering Humboldt Bay, ca. 2 miles north of Eureka Comment
  HSC100429  Chrysanthemum leucanthemum Carl C. Marshall Jun 1885 130 Humboldt Jarnigan's and mouth of Mad River. Comment
  POM351629  Chrysanthemum leucanthemum B. C. Templeton 1964-6-13 10185 Humboldt North of Patrick's Point on Hwy. 101 Comment
  HSC41353  Chrysolepis chrysophylla Brad Klipfel 1974-9-2 546 Humboldt Horse Mountain Comment
  HSC91893  Chrysolepis chrysophylla Susan H. Bicknell 1987-8-29 Humboldt Patrick's Point State Park, near Penn Creek Comment
  HSC55104  Chrysolepis chrysophylla var. minor G. L. Clifton 1979-7-31 11845 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC667993  Chrysolepis sempervirens Joseph P. Tracy 1937-7-29 15583 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC314585  Cicuta douglasii Joseph P. Tracy 1925-7-5 7179 Humboldt near High Prairie (Northern Coast Ranges, Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC552729  Cinna latifolia Joseph P. Tracy 1935-7-25 14244 Humboldt Lower end Brett Hole Trinity Summit; , Lower end of Brett Hole 1584 Comment
  HSC56318  Circaea alpina subsp. pacifica Overton, Butler 1979-8-2 12657 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC62998  Circaea alpina subsp. pacifica David Wheeler 1979-5-13 106 Humboldt Redwood Valley, 1.0 mi. S of dump on other side of Redwood Creek from rd. Comment
  UC562520  Circaea alpina subsp. pacifica Joseph P. Tracy 1934-7-18 13459 Humboldt Grouse Mt. North Coast Ranges, Grouse Mt. 1524 Comment
  CAS-BOT-BC284403  Cirsium arvense Alice Eastwood 1921-7-21 10659 Humboldt Carlotta Comment
  UC166541  Cirsium arvense Joseph P. Tracy 1906-7-4 2536 Humboldt near Hydesville 60 Comment
  UC34640  Cirsium arvense Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  CAS-BOT-BC284442  Cirsium brevistylum John Thomas Howell 1931-6-17 6720 Humboldt 8 miles n. of Arcata Comment
  HSC89523  Cirsium brevistylum M. Roantree 1985-6-11 88 Humboldt W side of Trinidad Head Comment
  HSC47962  Cirsium douglasii var. breweri Brad Klipfel 1974-8-2 518 Humboldt Horse Mtn. Comment
  CDA1218  Cirsium douglasii var. douglasii T. C. Fuller 1962-8-6 9352 Humboldt Hwy 299, 3.4 miles east of Berry Summit. Comment
  SEINET5506147 Image available Cirsium douglasii var. douglasii John Thomas Howell 1937-7-31 13716 Humboldt 5 mi E of Berry Summit Comment
  JEPS59296  Cirsium occidentale var. candidissimum W. L. Jepson 1932-8-8 16486 Humboldt Bull Creek Grasshopper Peak, Bull Creek 1005 Comment
Read comments
Jan 17 2008
  SEINET11833992  Cirsium remotifolium J. P. Tracy 1949-1 18472 Humboldt Kinsey Ridge, S from Grouse Mt., 2 to 6 mi, E of headwaters of Redwood Creek 1280 Comment
  UC129537  Cirsium remotifolium var. odontolepis J. Burtt Davy 1899-7-30 6190 Humboldt near Arcata (Wild-cat Road); North Coast Ranges Comment
  UC582537  Cirsium remotifolium var. rivulare Joseph P. Tracy 1934-7-6 13659 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC285770  Cirsium vulgare Henry M. Pollard 1945-9-4 s.n. Humboldt Near Camp Creek, Klamath River Canyon Comment
  UC183682  Clarkia amoena Joseph P. Tracy 1912-7-22 3790 Humboldt Table Bluff Northern Coast Region 60 Comment
  UC144096  Clarkia amoena Joseph P. Tracy Jun 27 1908-Jun 30 1908 2757 Humboldt nw slope Buck Mountain (at bridge across river); Northern Coast Ranges, Little Van Duzen River 609 Comment
  JEPS43698  Clarkia amoena subsp. amoena Milo S. Baker 1923-8-3 172 Humboldt near Trinidad; North Coast Comment
  SD61036  Clarkia amoena subsp. huntiana Darley F. Howe 1964-8-10 3951 Humboldt 7.5 miles from Ferndale on road to Petrolia. 487 Comment
  UC1537616  Clarkia concinna subsp. concinna Gordon H. True Jr. 1936-5-11 455 Humboldt w Miranda; Salmon Creek 457 Comment
  HSC35351  Clarkia gracilis J. D. Ackerman, A. M. Montalvo 1975-6-22 485 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  UC58846  Clarkia gracilis subsp. gracilis Harley P. Chandler June, 1901 1327 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC902179  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS43687  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1932-6-26 10264 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC160994  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1911-7-5 3307 Humboldt near mouth Willow Creek (tributary of Trinity River); Northern Coast Ranges 182 Comment
  UC902014  Claytonia cordifolia Harold E. Parks and Joseph P. Tracy 1949-6-25 11680 Humboldt Box Camp Trinity Summit (Trinity Summit) 1463 Comment
  HSC67184  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5435 Humboldt Along E side of Red Mtn. 1372 Comment
  CAS-BOT-BC439782  Claytonia perfoliata Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  JEPS43187  Claytonia perfoliata subsp. mexicana Joseph P. Tracy 1916-4-30 4682 Humboldt Table Bluff Northern Coast Ranges, Humboldt Bay (aroung Humboldt Bay) 152 Comment
  UC161028  Claytonia rubra subsp. depressa Joseph P. Tracy 1911-5-21 3188 Humboldt Eureka; Northern Coast Region Comment
  SEINET190447  Claytonia sibirica J. P. Tracy 1932-7-14 10536 Humboldt Trinity Summit Corral Prairie 1585 Comment
  CAS-BOT-BC443892  Claytonia sibirica Volney Rattan 1878-1-1 s.n. Humboldt North of Mad River Comment
  HSC99019  Claytonia sibirica C. Witte 2007-5-18 35 Humboldt Along National Forest 1. Approximately 1 mile north of intersection with 5N09. 1456 Comment
  CAS-BOT-BC91327  Clematis lasiantha Lincoln Constance; Reed C. Rollins 1942-5-11 2873 Humboldt North Coast Ranges. Hoopa Valley 6 miles south of Hoopa. 121 Comment
  CAS-BOT-BC92598  Clematis ligusticifolia Joseph P. Tracy 1937-8-3 15608 Humboldt Along Mad River, near Blue Lake. 15 Comment
  UC183773  Clematis ligusticifolia Joseph P. Tracy 1912-8-4 3980 Humboldt near Hydesville (on Yager Creek); Northern Coast Region, Yager Creek 60 Comment
  HSC58065  Clintonia uniflora G. L. Clifton, Griswold 1979-8-1 11943 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  RSA12552  Clintonia uniflora Carl B. Wolf 1934-7-2 5887 Humboldt Snow camp. (Mts. east of Korbel) 1372 Comment
  SEINET4170316  Clintonia uniflora Unknown 1908-6-27 2733 Humboldt Along Van Duzen River at foot of Buck Mountain, northwest slope 305 Comment
  UC582461  Collinsia grandiflora Joseph P. Tracy 1927-6-12 8159 Humboldt Horse Mtn; Northern Coast Ranges; Horse Mtn 1219 Comment
  HSC66825  Collinsia greenei Gail Newton 1980-7-15 1555 Humboldt Near Sims Mtn. 1311 Comment
  HSC101977  Collinsia linearis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 874 Humboldt Patterson Meadows 1566 Comment
  HSC45218  Collinsia linearis M. Alcasas 1978-6-3 124 Humboldt Titlow Hill Rd., .5 mi. from Hwy. 299 1037 Comment
  UC582455  Collinsia linearis Joseph P. Tracy 1936-6-10 14931 Humboldt South Fork of Trinity River, slopes w of its mouth South Fork of Trinity River 457 Comment
  HSC102536  Collinsia parviflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1522 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC32278  Collinsia parviflora D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5625 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC32323  Collinsia parviflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5664 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC41245  Collinsia parviflora Brad Klipfel 1974-5-27 391 Humboldt Horse Mtn. Comment
  POM20818  Collinsia sparsiflora var. bruceae Joseph P. Tracy 1916-5-2 4685 Humboldt Garden grown, at Eureka, from seed, my #4242 from lower slopes of Buck Mountain. 762 Comment
  UC1196851  Collinsia sparsiflora var. collina Joseph P. Tracy 1913-6-20 4242 Humboldt Grassy slopes on lower foothills of Buck Mountain. 762 Comment
  JEPS26356  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1916-5-2 4685 Humboldt garden Eureka; North Coast Ranges 762 Comment
  UCR45409  Collinsia sparsiflora var. sparsiflora Barry Silver 1986-4-23 519 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC43207  Collomia heterophylla R. Sutherland 1976-8-13 28 .13876 Humboldt In mouth of Redwood Creek at S Fork of Eel River 87 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
  UC1197862  Collomia tinctoria Joseph P. Tracy Jul 16 1930-Jul 19 1930 8965 Humboldt openings in fir forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC23830  Conium maculatum R. A. Vanbianchi 1971-11-19 102 Humboldt Along Fieldbrook Rd., 3 mi from junction with Hwy 299 Comment
  HSC69531  Conium maculatum R. Kalal 1980-6-1 4 Humboldt 0.25 mi. N of Hwy. 299, at Essex turnoff 15 Comment
  HSC45026  Conyza canadensis R. Sutherland 1976-8-19 7 .19876 Humboldt 259 Comment
  UC1199443  Conyza floribunda Joseph P. Tracy 1929-10-13 8679 Humboldt Carlotta 60 Comment
  UC1196211  Coptis laciniata Joseph P. Tracy 1915-8-2 4663 Humboldt Northern Coast Ranges, Mouht of Lawrence Creek Lawrence Creek; Northern Coast Ranges, Lawrence Creek 152 Comment
Read comments
Jan 22 2014
  HSC104326  Coptis laciniata James Regan, Humboldt Redwood Co., LLC 2009-4-1 31 Humboldt Snow Camp Rd., Bald Mtn. Creek Comment
  HSC39077  Corallorhiza maculata J. D. Ackerman 1976-7-3 765 Humboldt 1 mi. E of Blue Lake along old state Hwy. 299. Simpson Demonstration Forest, near hwy. Comment
  HSC99481  Corallorhiza maculata var. flavida K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 140 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp. 1433 Comment
  UC1196462  Corallorhiza striata Joseph P. Tracy 1918-5-28 4935 Humboldt on slope below High Prairie (near Redwood Creek); Northern Coast Ranges 609 Comment
  SEINET200684 Image available Corallorhiza striata var. striata Joseph P. Tracy 1913-6-14 4131 Humboldt Lower foothills of Buck Mountain, on its northwest slope 762 Comment
  UC147873  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1901-8-7 1257 Humboldt Samoa Northern Coast Region of California, region about Humboldt B 0 Comment
  UC582559  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1933-8-22 12991 Humboldt mouth of Eel River (in salt marsh) 3 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
  UC165018  Corethrogyne filaginifolia Joseph P. Tracy 1909-7-18 3016 Humboldt Humboldt Bay Comment
  RSA0019463  Cornus Doris K. Kildale 1937-8-29 15081 Humboldt Dinsmore's. Comment
  SD42327  Cornus californica Carl B. Wolf 1937-8-13 9251 Humboldt 11 miles east of Hoopa Valley on new road towards Trinity Summit. 1670 Comment
  CAS-BOT-BC212015  Cornus nuttallii Doris K. Kildale 1928-5-19 5152 Humboldt Chalk Mountain Comment
  CAS-BOT-BC212016  Cornus nuttallii Doris K. Kildale 1926-4-6 1719 Humboldt Dobbyn Creek, near mouth Comment
  HSC100453  Cornus nuttallii Carl C. Marshall Jun 1886 283 Humboldt Bald Hills. Comment
  HSC95877  Cornus nuttallii Will Ferrand 2002-4-27 30 Humboldt 1.0 mi. E of intersection of Hwy. 299 and Willow Creek Rd. 198 Comment
  CAS-BOT-BC212181  Cornus sericea Joseph P. Tracy 1929-8-18 8653 Humboldt Dinsmore's Ranch on Van Duzen River opposite Buck Mountain 670 Comment
  CAS-BOT-BC212184  Cornus sericea Volney Rattan 1903-1-1 s.n. Humboldt Eel River Comment
  CAS-BOT-BC210537  Cornus sessilis L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road Comment
  CAS-BOT-BC210539  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat 152 Comment
  HSC6423  Cornus sessilis H. E. Parks, S. T. Parks 1941-7-5 11492 Humboldt Horse Linto Creek. Comment
  UC1225941  Corylus californica Joseph P. Tracy 1946-8-25 17641 Humboldt Table Bluff, on Hookton road 9 Comment
  UC535724  Corylus californica Eleanor Armstrong 1934-8-23 1137 Humboldt Richardson Grove, E slope 121 Comment
  UC54930  Corylus californica P. E. Goddard 1901-7-6 21 Humboldt Hupa Comment
  HSC99445  Corylus cornuta var. californica K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 95 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA152313  Corylus cornuta var. californica Joseph P. Tracy 1946-8-25 17639 Humboldt Table Bluff, along Hookton road. 9 Comment
  UCR3511  Corylus cornuta var. californica David Whistler, H. M. Whistler 1964-7-29 640729- 6 Humboldt North Coast, US Hwy 101, along bank of Eel River, 0.2 mi. north of Weott 85 Comment
  HSC5433  Cotula coronopifolia W. F. Nickel 1965-5-12 Humboldt On H.S.C. campus behind the Biological Sciences building Comment
  JEPS49998  Crassula aquatica Joseph P. Tracy 1916-5-31 4705 Humboldt Alton Northern Coast Region, Alton 30 Comment
  UC249631  Crassula aquatica Joseph P. Tracy 1921-4-24 5446 Humboldt S. Fork Eel R., Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  UC1198826  Crassula connata var. erectoides Joseph P. Tracy 1922-4-30 6027 Humboldt Trinity R. Valley near Willow Creek; Northern Coast Ranges, Trinity R. Valley 152 Comment
  SEINET196689  Crataegus douglasii J. P. Tracy 1948-9-12 18205 Humboldt Box Camp Meadow; Trinity Summit 1463 Comment
  SEINET200990  Crataegus douglasii J. P. Tracy 1931-4-26 9335 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UCR275124  Crataegus monogyna Charity A. Hartshorn 2016-4-24 10 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CAS-BOT-BC291482  Crepis capillaris M. Louise Hutchinson 1913-5-1 s.n. Humboldt Eureka Comment
  CAS-BOT-BC291492  Crepis capillaris Alice Eastwood 1923-8-16 12327 Humboldt Carlotta Comment
  CDA4446  Crepis occidentalis Laurel Goldsmith & Wanda Naylor 2005-6-15 10 Humboldt 1 mile southeast of Grouse Mountain on unnamed forest service road. Comment
  UC538048  Crepis occidentalis subsp. pumila E. B. Babcock 1932-6-23 402 Humboldt near Bridgeport; Art Renfroe's place Comment
  HSC74027  Crepis pleurocarpa Gail Newton 1980-7-11 1313 Humboldt Near Red Mtn. 1341 Comment
  HSC74285  Crepis pleurocarpa M. A. Baker 1980-7-11 2783 Humboldt Near Red Mtn. 1341 Comment
  UCD130982  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek. 152 Comment
  CAS-BOT-BC299700  Crocidium Doris K. Kildale 1926-3-21 1570 Humboldt Kneeland Prarie 853 Comment
  UC1239661  Cryptantha affinis Joseph P. Tracy 1937-7-25 15546 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC525586  Cryptantha leiocarpa Joseph P. Tracy 1932-5-10 9939 Humboldt s of point of Cape Mendocino (near ocean shore); Cape Mendocino 3 Comment
  HSC82604  Cryptogramma acrostichoides Thomas W. Nelson 1979-7-11 4990 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC562476  Cuscuta campestris Joseph P. Tracy 1925-8-2 7220 Humboldt Big Lagoon 3 Comment
  HSC26874  Cuscuta pacifica var. pacifica Clifton Raymond Chesbrough 1973-6-20 104 Humboldt .25 mi. N of Eureka slough along Hwy. 101 Comment
  HSC3641  Cynoglossum grande A. H. Teshima 1963-3-10 5 Humboldt Moonstone Beach area Comment
  CAS-BOT-BC190378  Cynosurus echinatus J. W. Tilden 1946-6-21 s.n. Humboldt Bluff Creek. Comment
  HSC89500  Cynosurus echinatus M. Roantree 1985-5-30 68 Humboldt West side of Trinidad Head Comment
  UC1103242  Cynosurus echinatus Joseph P. Tracy 1942-6-15 17141 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  UC213327  Cyperus squarrosus Joseph P. Tracy 1920-8-15 5362 Humboldt Klamath R. at Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  CAS-BOT-BC70541  Cystopteris fragilis Doris K. Kildale 1926-5-2 1880 Humboldt Willow Creek Flat - Trinity River tributary 152 Comment
  HSC54855  Cystopteris fragilis G. L. Clifton, Griswold 1979-7-25 10750 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UCR123955  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6970 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC14675  Cytisus scoparius William J. Ferlatte 1963-4-21 19 Humboldt Near 11th and A St., Arcata Comment
Read comments
Dec 18 2011
  HSC79501  Dactylis glomerata Kenneth Clark 1980-6-14 685 Humboldt Shelter Cove; in stream alluvium of N fork of Dead Man's Gulch 198 Comment
  SBBG34665  Dactylis glomerata T. L. Secrest 1948-6-29 Humboldt southern Humboldt County [no specific locality] Comment
  HSC72622  Danthonia californica J. P. Smith 1977-7-3 9231 Humboldt On Forest Service Road 13N01 to Fish Lake, 3.5 mi. from its junction with Highway 36 488 Comment
  UC183807  Danthonia californica Joseph P. Tracy 1911-7-7 3385 Humboldt 3 mi nw junction of Willow Creek with Trinity River (meadows on mountain side, near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC718006  Danthonia californica David D. Keck 1944-7-11 5493 Humboldt 3 mi ne Capetown 152 Comment
  UC526683  Danthonia californica var. americana Joseph P. Tracy 1927-7-4 8234 Humboldt Lone Star Creek North Coast Ranges, Iaqua 609 Comment
  UC1197353  Daucus pusillus Harley P. Chandler May, 1901 1154 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  HSC100617  Delphinium Carl C. Marshall Apr 1886 187 Humboldt Vicinity of Humboldt Bay. Comment
  SEINET4465020 Image available Delphinium decorum H. E. Parks, J. P. Tracy 1930-1 789 Humboldt Laribee Valley 914 Comment
  JEPS43413  Delphinium decorum subsp. decorum W. L. Jepson 1902-7-16 2050 Humboldt Trinity Summit, Horse Prairie Comment
  HSC102608  Delphinium decorum subsp. tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1595 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UCR45825  Delphinium decorum subsp. tracyi N. Meiselman, M. Bransom, D. Brown, Ron Hildebrandt 1986-4-19 26 Humboldt North Coast Range, Horse Mountain, 0.5 mi. down Titlow Road from Ski Area 1372 Comment
  CAS-BOT-BC9026  Delphinium decorum subsp. tracyi John Rehling 1975-5-12 71 Humboldt Bald Hills, 2 miles up Williams Ridge Road. Comment
  RSA79370  Delphinium decorum subsp. tracyi E. K. Balls, Lee W. Lenz 1952-5-12 17196 Humboldt 11.2 miles E along Hwy 36 from Bridgeville to Cobbs Comment
  HSC46067  Delphinium depauperatum R. C. Wunner 1962-5-6 Humboldt Denny Forest Service Campground Comment
  CAS-BOT-BC10314  Delphinium hesperium E. K. Balls; L. W. Lenz 1956-6-12 21665 Humboldt 9.1 mi. NE from Blue Lake along U.S. Hwy. 299, Arcata to Willow Creek 487 Comment
  RSA152334  Delphinium hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley, Willow Creek Comment
  UC9180  Delphinium hesperium subsp. pallescens Harley P. Chandler June 1901 1410 Humboldt Klamath River North Coast Ranges 304 Comment
  UC1196328  Delphinium nudicaule Joseph P. Tracy 1937-5-30 15303 Humboldt 5 mi n Blocksburg; Larrabee Creek 365 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
  HSC64263  Delphinium nuttallianum J. O. Sawyer, M. A. Ericksen 1979-6-23 3398 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  CAS-BOT-BC121967  Delphinium trolliifolium Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC32854  Delphinium trolliifolium Thomas W. Nelson, James Nelson 1973-5-28 942 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1126089  Delphinium trolliifolium A. E. Wieslander 1931-5-21 210 Humboldt Kneeland China Flat Quadrangle Comment
  UC1196334  Delphinium trolliifolium Joseph P. Tracy 1947-4-27 17675 Humboldt Table Bluff 60 Comment
  UC160931  Delphinium trolliifolium Joseph P. Tracy 1908-6 2713 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  CAS-BOT-BC121969  Delphinium trolliifolium Carl B. Wolf 1937-6-14 8827 Humboldt 1 1/2 mi. N of Kneeland Prairie 822 Comment
  RSA18060  Deschampsia beringensis C. B. Wolf 1927-8-22 794 Humboldt Big Lagoon Comment
  HSC27023  Deschampsia cespitosa subsp. holciformis Brad W. Klipfel 1973-8-17 274 Humboldt Big Lagoon Park, at the Sphagnum bog. Comment
  UCD63765  Deschampsia cespitosa subsp. holciformis R. Tofsrud 1949-7-1 Humboldt On road between Scotia and Capetown. Comment
  LA10879  Deschampsia danthonioides Joseph P. Tracy; 1935-6-23 13969 Humboldt 1066 Comment
  UC1103219  Deschampsia danthonioides Joseph P. Tracy 1914-5-30 4477 Humboldt Alton Northern Coast Ranges, Alton 30 Comment
  UCD61390  Deschampsia danthonioides A. H. Murphy 1951-5-21 Humboldt Tooby and Prior Ranch, Blocksburg. Experimental grazing pasture, 2 miles S of Blocksburg. Comment
  UCD62501  Deschampsia danthonioides A. H. Murphy 1951-5-21 47 Humboldt Prior Ranch, 2 miles S of Blocksburg. Comment
  HSC24253  Deschampsia elongata D. E. Anderson 1970-5-21 5081 Humboldt Scotia bluffs. Comment
  HSC75510  Deschampsia elongata J. O. Sawyer, R. J. Cole 1977-7-3 3019 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  RSA245021  Deschampsia elongata D. E. Anderson 1970-5-21 5081 Humboldt Scotia Bluffs Comment
  UC905063  Deschampsia elongata Henry M. Pollard 1948-7-19 Humboldt Orlegno to Red Cap Creek (n. river rd.) Comment
  SEINET3927555  Deschampsia elongata J. O. Sawyer, R. J. Cole 1977-7-3 3019 Humboldt Hoopa quad. Envorons of Mud Spring. Big Hill Road (F. S. 8N01).; 0 1524 Comment
  UC421853  Dichelostemma X venustum W. L. Pedrick Jun 1907 Humboldt Ferndale Comment
  CAS-BOT-BC483664  Dichelostemma capitatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  JEPS64151  Dichelostemma capitatum Milo S. Baker 137 Humboldt South Fork Yager Creek Comment
  RSA756869  Dichelostemma capitatum subsp. capitatum Barbara Ertter, Thomas J. Delendick 1987-5-16 6927 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  HSC44758  Dichelostemma congestum Maralyn O'Meara 1972-6-8 81 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 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
  UC1133927  Dichelostemma ida-maia A. E. Wieslander 1931-5-15 191 Humboldt Hoopa Indian Reservation Hoopa Quad. Comment
Read comments
May 14 2010
  CAS-BOT-BC501025  Dichelostemma ida-maia M. S. Jussel 1931-5-2 s.n. Humboldt Eureka Comment
  CAS-BOT-BC501026  Dichelostemma ida-maia H. D. Ripley; R. C. Barneby 1945-6-16 6810 Humboldt S. of Weott 91 Comment
  HSC3028  Dichelostemma ida-maia J. F. Knezevich 1967-6-1 169 Humboldt 5 mi. E of Willow Creek on Hwy. 299 Comment
  HSC45244  Dichelostemma ida-maia Thomas W. Nelson, Jane P. Nelson 1977-7-1 3574 Humboldt Along rd. 2S08 below Goat Rock 1524 Comment
  RSA167431  Dichelostemma ida-maia Joseph P. Tracy, A. H. Murphy, Davis Agriculture College 1951-6-26 19568 Humboldt Vicinity of Twin Lakes and Snow Camp. Comment
  SEINET3885618  Dichelostemma ida-maia D. E. Bright 1962-6-12 285 Humboldt Roadside, along Highway #96, 2 miles northeast of Orleans.; 0 Comment
  UC535744  Digitalis purpurea Eleanor Armstrong 1174 Humboldt Richardson Grove Comment
  HSC44761  Digitalis purpurea Maralyn O'Meara 1972-6-8 94 Humboldt Along Bald Hills Rd., 8 mi. E of junction with Hwy. 101 Comment
  SEINET200655 Image available Digitaria ischaemum Joseph P. Tracy 1950-9-22 19371 Humboldt Klamath River near slate Creek below Orleans 8 miles. Roadside. 122 Comment
  HSC26885  Digitaria sanguinalis Brad Klipfel 1973-7-24 222 Humboldt Mad River flood plain, N end of Carson RR Bridge. Comment
  UCD64093  Digitaria sanguinalis Joseph P. Tracy 1942-9-13 17316 Humboldt Eureka. 30 Comment
  CAS-BOT-BC153237  Diplacus kelloggii S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3406 Humboldt Burr Valley, on Buck Mountain 1036 Comment
  CAS-BOT-BC153239  Diplacus kelloggii Doris K. Kildale 1927-5-20 3228 Humboldt Bug Creek 792 Comment
  RSA249498  Dipsacus fullonum R. F. Thorne, P. C. Everett 1965-8-9 35282 Humboldt 2.5 miles N of Arcata. 8 Comment
  UC479427  Disporum smithii Marcus E. Jones, A. M. 1931-7-14 29277 Humboldt s of Eureka Comment
  SEINET4170370  Disporum smithii Unknown 1933-5-21 12209 Humboldt McClellan Mountain 671 Comment
  CAS-BOT-BC208658  Distichlis spicata Malcom A. Nobs; S. Galen Smith 1949-8-3 1178 Humboldt Salt marshes around Fields Landing Comment
  CAS-BOT-BC208662  Distichlis spicata David D. Keck 1938-8-5 4769 Humboldt Big Lagoon Comment
  UC573991  Distichlis spicata H. S. Yates 1936-6-23 5859 Humboldt 1 mile W. of Bayside Comment
  SACT001019  Distichlis spicata var. stolonifera Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt Marshes. Comment
  UC562751  Dodecatheon alpinum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8930 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (South Fork Mountain) 1676 Comment
  RSA0011675  Drosera rotundifolia Norman Dennis 1965-6-30 140 Humboldt Big Lagoon County Park, southwest corner of Big Lagoon. Comment
  HSC18756  Drymocallis glandulosa Lincoln Constance 1934-6-15 878 Humboldt Summit of Grasshopper Peak, S Fork Eel River, Bull Creek region 976 Comment
  CAS-BOT-BC71054  Dryopteris expansa Mrs. H. C. Cantelow 1936-5-18 s.n. Humboldt Crokscrew Tree, 8 miles north of Orick Comment
  POM281673  Dryopteris expansa Lyman Benson 1929-7-18 1847 Humboldt Weott Rangr station, Redwoods flat Comment
  HSC98715  Dysphania botrys Cara Witte 2007-8-1 617 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1/4 mile east of intersection with Friday Camp. 1297 Comment
  UCD60826  Echinochloa crus-galli George Branstetter 1926-8-12 Humboldt Alton. Comment
  UC1103652  Eleocharis acicularis Joseph P. Tracy 1936-6-28 15025 Humboldt Lake Prairie Bald Mountain 1066 Comment
  UC668027  Eleocharis acicularis Joseph P. Tracy 1935-5-30 10535 Humboldt Trinity Summit, Corral Prairie 1584 Comment
  HSC44325  Eleocharis acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Margin of drying pond above Alder Springs 1585 Comment
  RSA246901  Eleocharis pachycarpa Robert F. Thorne, Percy C. Everett 1965-8-7 35190 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  UC666919  Eleocharis suksdorfiana Joseph P. Tracy 1935-7-27 14305 Humboldt McKay Prairie, open places Trinity Summit 1584 Comment
  BLMAR37  Elymus Brad Barr 37 Humboldt King range Comment
  HSC58670  Elymus elymoides var. elymoides Gilbert Muth 1979-8-1 12106 Humboldt Near High Spring, close to the town of Hoopa. 1798 Comment
  HSC76550  Elymus glaucus Denis Kearns 1981-7-22 312 Humboldt Near Whiteys Peak. 1487 Comment
  HSC9718  Elymus glaucus D. E. Anderson, T. O. Preston 1963-3-1 19 Humboldt Near bridge over Supply Creek. Comment
  RSA44455  Elymus glaucus Henry M. Pollard 1948-7-19 s.n. Humboldt River road between Orleans and Van Fleet Ranch Comment
  UC1103476  Elymus glaucus Joseph P. Tracy 1936-6-9 14889 Humboldt Bear River Ridge 457 Comment
  UCD62258  Elymus glaucus Freed W. Hoffman 1946-5-19 1729 Humboldt Mattole River. Comment
  UC1146679  Elymus glaucus Freed W. Hoffman 1946-5-19 1729 Humboldt Mattole River North Coast Ranges Comment
  HSC102145  Elymus glaucus subsp. glaucus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1052 Humboldt Patterson Meadows 1566 Comment
  SEINET200644  Elymus glaucus subsp. jepsonii J. P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge 0 Comment
  UCD62495  Elymus multisetus A. H. Murphy 1951-6-13 64 Humboldt Along Eel River at Fort Seward. Comment
  HSC33094  Empetrum nigrum J. P. Smith 1975-3-31 8048 Humboldt Megwill Point on Elk Head, just N of College Cove Comment
  HSC99549  Epilobium brachycarpum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 214 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC183663  Epilobium brachycarpum Joseph P. Tracy 1913-8-1 3959 Humboldt opposite Buck Mountain; Northern Coast Ranges, Dinsmore's Ranch, valley of Van Duzen 762 Comment
  UC183696  Epilobium campestre Joseph P. Tracy 1912-8-4 3978 Humboldt Carlotta 60 Comment
  HSC74689  Epilobium ciliatum subsp. ciliatum Gail Newton 1981-8-7 2456 Humboldt Near Board Camp Mtn. 1478 Comment
  UC583074  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-9 14330 Humboldt roadside on Redwood Hwy 5 mi n Humboldt-Mendocino Co. line; South Fork Of Eel River Comment
  POM32458  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1916-9-5 4768 Humboldt North Coast Ranges: South Fork of Eel River 4 miles above the mouth 61 Comment
  HSC76625  Epilobium ciliatum subsp. glandulosum Teresa Prendusi 1981-7-24 481 Humboldt Near Whiteys Peak 1585 Comment
  HSC103281  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-7 Humboldt Six Rivers National Forest, Lower Trinity District, Grouse Mountain, Forest Service Road 5N04. 1576 Comment
  HSC49645  Epilobium ciliatum subsp. glandulosum J. P. Smith, Steve Selva 1970-6-30 4138 Humboldt Comment
  HSC16349  Epilobium ciliatum subsp. watsonii W. F. Nickel 1965-5-8 Humboldt On HSU campus behind the Biological Science Building Comment
  UC1222845  Epilobium foliosum Joseph P. Tracy 1950-6-15 18808 Humboldt n Harris; Mail Ridge Comment
  POM160843  Epilobium hallianum Joseph P. Tracy 1923-5-13 6204 Humboldt North Coast Ranges: Bridgeville. 229 Comment
  HSC44405  Epilobium minutum R. York 1978-5-6 157 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  RSA75597  Epipactis gigantea Albert M. Vollmer, L. Beane 1951-6-11 139 Humboldt Along the Van Duzen River, at Bridgeville Comment
  POM281840  Equisetum hyemale var. affine Lyman Benson 1928-7-9 414 Humboldt Weott Ranger Station. Seaward N Coast Mtn range, S Fork Eel River. 61 Comment
  CAS-BOT-BC57231  Equisetum laevigatum H. E. Parks; Joseph P. Tracy 1927-4-24 7925 Humboldt Eureka 6 Comment
  CHSC60063  Equisetum telmateia Eric Hartwell 1983-3-30 9 Humboldt Ca. 0.25 miles east of jct. Of Jacoby Creek Rd. and Sonnerfelt Rd., NW1/4 of Sect.11. 97 Comment
  CDA37518  Equisetum telmateia subsp. braunii G. D. Barbe 1984-6-7 4164 Humboldt Along Highway 299, 17 miles east of Arcata and junction with Highway 101. Comment
  JEPS25329  Equisetum telmateia subsp. braunii Paul C. Hutchison 1961-3-3 885 Humboldt ca. 1/2 mi s Benbow (S Fork Eel River, along U.S. Hwy. 101) Comment
  UC249801  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1923-9-10 6545 Humboldt Trinity River Valley near South Fork; Northern Coast Ranges, Trinity River Valley, nr South Fork 182 Comment
  POM272118  Erechtites minimus Lyman Benson 1929-7-15 1821 Humboldt Clam Beach, Trinidad. Comment
  CAS-BOT-BC174186  Eremogone congesta var. congesta Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  RSA639200  Erica lusitanica Gary D. Wallace 1988-4-11 2806 Humboldt South of Eureka: Just north of Loleta on Hwy 101, just south of Loleta Drive. 60 Comment
  CAS-BOT-BC287477  Ericameria greenei Doris K. Kildale 1925-8-17 1212 Humboldt Trinity Summit at Ranger Station 1828 Comment
  HSC48317  Ericameria greenei Brad Klipfel 1973-8-3 307 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC298297  Ericameria nauseosa var. speciosa Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt 1524 Comment
  RSA44411  Erigeron annuus H. M. Pollard 1947-8-21 s.n. Humboldt roadside between Orleans and Boyse Creek Comment
  UC672190  Erigeron biolettii Frank W. Peirson 1923-7-9 3877 Humboldt Humboldt County State Park Eel River, Humboldt County State Park Comment
  JEPS21937  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC300681  Erigeron foliosus var. mendocinus Alice Eastwood 1921-7-21 10660 Humboldt Vanduzen [Van Duzen] River Comment
  POM225418  Erigeron inornatus var. biolettii P. A. Munz 1936-8-9 14331 Humboldt South fork of Eel River, 5 miles north of Humboldt-Mendocino County line Comment
  HSC98678  Erigeron inornatus var. inornatus Cara Witte 2007-7-26 590 Humboldt National Forest 1 on Kinsey Ridge. 1/4 mile south of intersection with 4N06. Near power poles. 1283 Comment
  SEINET9351061  Erigeron philadelphicus Unknown 1935-5-22 Humboldt Fort Seward. Comment
  CAS-BOT-BC224258  Eriodictyon californicum Henry M. Pollard 1945-9-1 s.n. Humboldt Road to Redcap Creek Comment
  RSA44298  Eriodictyon californicum H. M. Pollard 1945-9-1 s.n. Humboldt Road to Redcap Creek. Comment
  UC24051  Eriodictyon californicum Harley P. Chandler June, 1901 1352 Humboldt Hupa Indian Reservation North Coast Ranges, , Hupa Valley (Hupa Valley) Comment
  HSC55020  Eriogonum compositum Overton, Butler 1979-7-31 11429 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UCR37906  Eriogonum compositum D. K. Imper 1982-7-2 1411 Humboldt Near Connely Creek, N Fork 1493 Comment
  UC672919  Eriogonum compositum var. compositum Joseph P. Tracy 1932-7-12 10460 Humboldt head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  CHSC10122  Eriogonum latifolium J. W. Johnson 1961-8-17 1040 Humboldt Arcata. W. M. Lanphere Farm, Samoa Peninsula. On stabilized sand, dune fields. Comment
  CDA39221  Eriogonum luteolum D. Juliano 2013-8-1 PDR# 120 P06003640 Humboldt Vicinity of Carlotta, along Yager Creek, near Hwy. 36 & Central Ave. Comment
  UC162627  Eriogonum luteolum var. luteolum Joseph P. Tracy 1911-7-8 3451 Humboldt along Willow Creek near its mouth Willow Creek (tributary of Trinity River) 152 Comment
  CAS-BOT-BC253053  Eriogonum roseum Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  UC1585425  Eriogonum ternatum R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 UCBG 34 Humboldt on Eyesee Rd. (FS15N01) 10.2 mi n Rte. 96 (on side of rd. to left) Comment
  HSC54001  Eriogonum umbellatum Griswold, Butler 1979-7-10 7110 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC95795  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along FS Rd. 1 at S end of Whiting Ridge, 0.5 mi. WNW of High Salt Ground, 9.3 mi. W of Hyampom 1296 Comment
  UC672898  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1935-7-28 14328 Humboldt Head of Devil's Hole Trinity Summit, Devil's Hole 1828 Comment
  RSA0070496  Eriogonum umbellatum var. nelsoniorum Thomas W. Nelson 1973-7-10 1032 Humboldt Humboldt-Trinity Co. line. Mt Lassic (Signal Peak). 1790 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
  HSC54736  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10179 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC55177  Eriogonum umbellatum var. stellatum Gilbert Muth 1979-8-1 12182 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1780 Comment
  HSC35819  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1915 Humboldt Beside Hwy. 36, 1 mi. W of Grizzley Creek Comment
  HSC40042  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2895 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC5583  Eriophyllum lanatum Paul Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  CAS-BOT-BC301015  Eriophyllum lanatum var. achilleoides Doris K. Kildale 1926-5-9 1980 Humboldt Kneeland Prairie 762 Comment
  JEPS34646  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1921-8-12 5934 Humboldt Big Lagoon Comment
  UC582676  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1935-6-23 13999 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC301016  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1936-6-10 14929 Humboldt South Fork of Trinity River: mountain slopes west of its mouth 457 Comment
  CAS-BOT-BC301181  Eriophyllum lanatum var. arachnoideum Doris K. Kildale 1927-6-25 3541 Humboldt Shelter Cove 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
  CAS-BOT-BC301685  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1933-8-6 12936 Humboldt French Camp Ridge 1066 Comment
  HSC41264  Eriophyllum lanatum var. lanceolatum Brad Klipfel 1974-7-23 457 Humboldt Horse Mtn. Comment
  CAS-BOT-BC301923  Eriophyllum staechadifolium W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  CDA5405  Eriophyllum staechadifolium var. artemisiifolium F. Wetherbee 1959-8-5 2914 Humboldt Cook property, Bear River. 0 Comment
  UC1198961  Erodium botrys Joseph P. Tracy 1933-5-20 12239 Humboldt s of point of Cape Mendocino; Cape Mendocino 3 Comment
  UC17110  Erodium moschatum J. P. Tracy 1899-4-16 150 Humboldt Eureka Comment
  HSC6772  Erysimum menziesii Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  RSA0008583  Erysimum menziesii Vernon H. Oswald 2000-4-3 9911 Humboldt Near the junction of New Navy Base Road and the road to Fairhaven on the North Spit of Humboldt Bay. 9 Comment
  RSA102134  Erysimum menziesii G. B. Rossbach 1955-6-10 596 Humboldt Near Humboldt Bay Lighthouse between Fairhaven and end of sandy point off Eureka Comment
  HSC58172  Erysimum perenne G. L. Clifton, Terry Griswold 1979-8-2 12248 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  CAS-BOT-BC383156  Erythranthe guttata David B. Lowry 2005-5-16 KLM Humboldt In Klamath River Valley, roadside Hwy. 96 between Weitchpec and Orleans 227 Comment
  SEINET13732744 Image available Erythranthe primuloides Joseph P. Tracy 1932-1 10534 Humboldt Trinity Summit, Corral Prarie. 1585 Comment
  HSC65180  Erythronium californicum T. Jimerson, J. Pageau 1979-4-18 423 Humboldt Rd. 6N21 100 yds. S of its junction with Hwy. 299, E side of rd. Comment
  RSA168934  Erythronium californicum Joseph P. Tracy 1950-4-20 18616 Humboldt Buck Mountain, lower foothills of its northwest slope. 2 miles west of Dinsmores. 762 Comment
  UC1197641  Erythronium californicum Joseph P. Tracy 1908-6-8 2630 Humboldt woods on n slope Ashfield's Butte; Northern Coast Ranges 762 Comment
  UC161568  Eschscholzia californica Joseph P. Tracy 1911-5-30 3210 Humboldt bluff near Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  UC549768  Euchiton gymnocephalus J. P. Tracy 1904-7-31 2134 Humboldt immediate vicinity Eureka 0 Comment
  UC1223111  Euchiton sphaericus Joseph P. Tracy 1947-9-28 17933 Humboldt Park's place Trinidad 3 Comment
  UC204866  Euchiton sphaericus Joseph P. Tracy 1918-9-1 5097 Humboldt on old Kneeland Prairie road Newells Camp (around Humboldt Bay); Northern Coast Ranges, Humboldt Bay 457 Comment
  CAS-BOT-BC206801  Euonymus occidentalis Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  CAS-BOT-BC206804  Euonymus occidentalis John Thomas Howell 1936-8-29 12887 Humboldt Eel River 16 miles N of Garberville Comment
  CAS-BOT-BC206924  Euonymus occidentalis Joseph P. Tracy; H. E. Parks 1925-6-14 7123 Humboldt Kneeland Paririe Road, along stream. 457 Comment
  HSC4304  Euonymus occidentalis D. E. Anderson 1961-9-23 1834 Humboldt 2.3 mi. S of Kneeland corner Comment
  POM160838  Euonymus occidentalis H. E. Parks, Joseph P. Tracy 1925-6-14 7123 Humboldt Kneeland Prairie road. 457 Comment
  UC1198984  Euphorbia crenulata Joseph P. Tracy 1926-4-11 7409 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  UC198583  Euphorbia crenulata Joseph P. Tracy 1916-5-30 4787 Humboldt Dows Prairie; Northern Coast Range 60 Comment
  NY263155  Euphorbia occidentalis V. K. Chesnut 1888-7-22 Humboldt Hy-Am-Pum (spelling?) Comment
  JEPS52406  Euphorbia peplus Joseph P. Tracy 1926-5-15 7473 Humboldt Eureka; Northern Coast Ranges 0 Comment
  CAS-BOT-BC312210  Eurybia radulina Doris K. Kildale 1926-8-22 2588 Humboldt On Orick - Martin's Ferry Road 716 Comment
  CAS-BOT-BC310681  Euthamia occidentalis Frank W. Peirson 1926-7-13 7062 Humboldt Mad River, vicinity of Blue Lake Comment
  HSC22607  Euthamia occidentalis J. P. Smith, J. O. Sawyer 1971-10-16 5050 Humboldt 2.1 mi. E of Carlotta on Calif. 36 Comment
  HSC9818  Festuca arundinacea D. J. McVean 1965-5-18 76 Humboldt Along Old Arcata Rd. just S of intersection with Indianola Rd. Comment
  HSC74274  Festuca californica M. A. Baker 1980-5-23 1382 Humboldt Near Buck Mtn. 1524 Comment
  UCD65873  Festuca californica subsp. californica R. Tofsrud 1947-7-1 203 Humboldt Between Alder Point and Zinea. Comment
  UCD65940  Festuca elmeri R. Tofsrud 1947-7-1 204 Humboldt Between Alder Point and Zinea. Comment
  HSC71744  Festuca idahoensis M. A. Baker 1980-6-26 2426 Humboldt Near Sims Creek 610 Comment
  HSC75355  Festuca occidentalis J. O. Sawyer, M. A. Ericksen 1980-7-18 3644 Humboldt Along FS Rd. 10N02, S of Middle Fork of Mill Creek Comment
  UC187114  Festuca occidentalis Joseph P. Tracy 1908-6 2705 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1100358  Festuca rubra Malcolm A. Nobs and S. Galen Smith 1949-8-3 1171 Humboldt Fields Landing Comment
  UC526868  Festuca rubra Joseph P. Tracy 1927-6-26 8217 Humboldt Stone Lagoon Northern Coast Region 6 Comment
  UCD66355  Festuca rubra H. S. Yates 1936-6-16 5672 Humboldt 1 mile N.E. of Samoa. 3 Comment
  UCD66378  Festuca rubra J. B. Davy; W. C. Blasdale 1899-6-19 5676 Humboldt Hoopa Mountain. Comment
  UCD66433  Festuca subulata R. Tofsrud 1947-7-1 198 Humboldt Between Alder Point and Zenia. Comment
  UC1145206  Festuca subuliflora Joseph P. Tracy 1948-6-13 18041 Humboldt 7 mi nw Blocksburg; Larrabee Creek 304 Comment
  HSC38631  Festuca viridula D. E. Anderson, J. P. Smith 1971-6-14 - 1050 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  HSC18616  Fragaria chiloensis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-26 1355 Humboldt Near Beachcross 5 mi. W of Ferndale on coast Comment
  HSC47484  Fragaria chiloensis Sheila Logan 1978-4-7 1 Humboldt Samoa sand dunes, 1/4 mi. N of Coast Guard Station. Comment
  SEINET11922532  Fragaria chiloensis T. L. Ashman, Koski, M. 2011-6-4 2 Humboldt Samoa Dunes Recreation Area Comment
  HSC18608  Fragaria vesca A. E. Inman 1962-5-25 Humboldt E bank of Mad River, W of Camp Bauer Comment
  HSC60190  Frangula californica J. P. Smith, J. O. Sawyer 1975-4-6 8053 Humboldt 3 mi. N of Whitehorn, across from the CA Dept. of Forestry Fire Station Comment
  CAS-BOT-BC59995  Frangula purshiana L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp. 1219 Comment
  CAS-BOT-BC59997  Frangula purshiana C. B. Wolf 1937-8-13 9260 Humboldt N. coast range, 11 mi. e. of Hoopa Valley on New Road towards Trinity summit. 1524 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
  UCD112832  Frangula purshiana T. I. Storer 1931-7-1 2219 Humboldt northwest coast of county. Comment
  SBBG26939  Frangula purshiana subsp. purshiana H. E. and S. T. Parks -Jun-1937 24018 Humboldt Spruce Cove, Trinidad Comment
  POM130724  Frasera albicaulis var. nitida H. P. Chandler 1901-06 1486 Humboldt Klamath River. Comment
  UC249521  Fraxinus latifolia Joseph P. Tracy 1922-5-29 6060 Humboldt South Yager Creek Valley Northern Coast Ranges 762 Comment
  HSC16383  Fuchsia magellanica N. D. Dennis 1965-5-5 48 Humboldt 2 mi. N of Trinidad, 1 mi. E of College Cove Comment
  UC1196103  Galium aparine Joseph P. Tracy Jul 16 1930-Jul 19 1930 9048 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC1196097  Galium bifolium Joseph P. Tracy 1930-7-16 8906 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC70981  Galium bolanderi Gail Newton 1980-7-22 1664 Humboldt Near Devils Backbone 1554 Comment
  JEPS52865  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-7 3886 Humboldt 0.8 mi w Briceland (on road to Shelter Cove) Comment
  JEPS52838  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3860 Humboldt 2.3 mi s Weott; Avenue of The Giants 60 Comment
  SEINET12514834  Galium nuttallii B. D. Rogers, W. J. Ferlatte 1966-6-15 2092 Humboldt Near Bridge ville. Comment
  UC602541  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt below Bridgeville (on river); Northern Coast Ranges, Van Duzen River, Rogers Ranch 152 Comment
  HSC100643  Galium trifidum Carl C. Marshall Aug 1886 254 Humboldt Damp woods. Comment
  HSC98132  Galium triflorum Cara Witte 2007-6-27 374 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1/2 mile south of intersection with 5N04 and 4N32E. 1425 Comment
  UC416651  Galium triflorum Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  HSC78975  Gamochaeta ustulata L. P. Janeway, Paul Wilson 1984-5-25 830 Humboldt On the N Spit of Humboldt Bay; on BLM lands near the Coast Guard Station 5 Comment
  CAS-BOT-BC200578  Garrya buxifolia Carl B. Wolf 1927-8-28 1169 Humboldt Lord Ellis Road to Blue Lake, 9 mi. from Willow Creek, 2 mi. from summit Comment
  HSC72828  Garrya buxifolia Gail Newton 1980-6-16 194 Humboldt Near Onion Mtn. 1280 Comment
  CAS-BOT-BC188544  Garrya elliptica L. R. Abrams 1916-7-18 6137 Humboldt Trinidad Comment
  HSC33744  Garrya elliptica J. M. Sauser 1975-5-24 73 Humboldt Samoa dunes off Samoa Blvd. from boat landing Comment
  UC1196886  Garrya elliptica Joseph P. Tracy 1921-1-23 5413 Humboldt near Lindsay Creek (hillside on Mad River); Northern Coast Region 30 Comment
  CAS-BOT-BC182173  Garrya fremontii Joseph P. Tracy 1939-9-10 16499 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UCSB72514  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek, mostly within Hoppe Indian Reservation, upstream from Willow Village Comment
  UC1714442  Gastridium ventricosum Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC58922  Gaultheria shallon L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road Comment
  JEPS66612  Gaultheria shallon Lincoln Constance 1934-5-31 751 Humboldt n side of (along) Bull Creek, w boundary of Park to Grasshopper Peak (Squaw Creek) Road, South Fork Eel River Bull Creek; Bull Creek Region, South Fork Eel River, Bull Creek Comment
  LA41415  Gaultheria shallon C. B. Wolf; 1930-10-30 1787 Humboldt old Coast Road, 4 mi. S of Thorns 304 Comment
  POM318846  Gaultheria shallon Patricia Wilder 1968-8-22 4422 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  UC32704  Gaultheria shallon Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UCD117449  Gaultheria shallon Linda M. Barker 1976-5-13 1482 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  JEPS27606  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1932-7-11 10400 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  JEPS27601  Gayophytum heterozygum Joseph P. Tracy 1933-8-30 13045 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC202459  Gayophytum heterozygum Joseph P. Tracy 1919-9-18 5248 Humboldt Trinity Summit Northern Coast Ranges 1524 Comment
  HSC55272  Gayophytum humile Overton, Butler 1979-8-2 12650 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC1196960  Gayophytum humile Joseph P. Tracy 1930-7-23 9117 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UCR84793  Genista linifolia Kathy Harper 1992-5-14 s.n. Humboldt Coast Range, Van Duzen River, c. 1.5 mi. west of Bridgeville on State Hwy 36 195 Comment
  HSC14678  Genista monspessulana S. R. Johnson 1965-3-28 34 Humboldt 2.5 mi. N of Luffenholtz Beach Comment
  JEPS47045  Gentiana affinis var. ovata W. L. Jepson 1921-8-11 9411 Humboldt Big Lagoon, Humboldt coast Big Lagoon Comment
  UCSB26680  Gentiana sceptrum Havlik, Neil 1968-8-21 Humboldt south end of Big Lagoon; north of Trinidad 1 Comment
  UC179955  Geranium carolinianum Joseph P. Tracy 1914-5-14 4436 Humboldt Fort Seward Northern Coast Region 121 Comment
  UC165808  Geranium core-core Joseph P. Tracy 1909-6-13 2990 Humboldt Blue Lake Northern Coast Ranges 30 Comment
  UC164809  Geranium molle Joseph P. Tracy 1906-5-6 2436 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC78961  Geranium molle L. P. Janeway, K. Berg 1984-4-11 724 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  JEPS44855  Geum macrophyllum Milo S. Baker 1923-8-1 184 Humboldt roadside from Kneeland to Eureka Comment
  HSC32885  Gilia capitata Thomas W. Nelson, James Nelson 1973-5-28 937 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC16967  Gilia capitata J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  HSC97970  Gilia capitata subsp. capitata Cara Witte, Michael Scott 2007-6-22 346 Humboldt Board Camp Mountain, jeep trail between Tri Board Camp and Fork Camp 1565 Comment
  UC52441  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1521 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  UC60880  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1447 Humboldt Klamath River North Coast Ranges, Klamath River 243 Comment
  SD42478  Gilia capitata subsp. chamissonis Carl B. Wolf 1937-8-11 8901 Humboldt Fleener creek, 1/2 mi. South of Centerville 46 Comment
  RSA23650  Gilia capitata subsp. pacifica C. B. Wolf 1939-7-8 9519 Humboldt Devil's Gate, south of Cape Mendocino. 8 Comment
  UC1197922  Gilia capitata subsp. pacifica Joseph P. Tracy 1921-5-30 5498 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC34612  Gilia millefoliata A. Montalvo 1975-5-24 274 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  UC23729  Gilia millefoliata Harley P. Chandler May, 1901 1135 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  HSC16986  Gilia tricolor J. E. Lankila 1962-5-6 26 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  HSC100935  Githopsis specularioides Miss Handy Jun 1886 344 Humboldt Maple Cr. Comment
  HSC71724  Githopsis specularioides M. A. Baker 1980-6-26 2461 Humboldt Near Sims Creek 610 Comment
  CAS-BOT-BC218474  Glehnia littoralis subsp. leiocarpa Carl B. Wolf 1937-6-18 8906 Humboldt Centerville Beach 3 Comment
  JEPS14216  Glehnia littoralis subsp. leiocarpa Joseph P. Tracy 1933-8-25 12994 Humboldt s. of mouth of Eel R. Centerville Beach 6 Comment
  UC207736  Glyceria elata Joseph P. Tracy 1916-6-25 4748 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges, Redwood Creek 152 Comment
  HSC10079  Glyceria fluitans J. P. Tracy 1933-7-20 19801 Humboldt Arcata bottom 15 Comment
  HSC70482  Glyceria striata Gail Newton 1980-7-20 1636 Humboldt Near Bell Swamps 1426 Comment
  HSC98751  Glyceria striata Cara Witte 2007-7-11 499 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC99053  Glyceria striata Cara Witte 2008-7-25 931 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1.5 mile north of intersection with Forest Service Road 5N39. 1473 Comment
  CDA20601  Gnaphalium ramosissimum B. Freeman 2005-10-25 PDR 1368985 Humboldt Klamath Ranges; Tully Creek Rd, Weitchpec. 0 Comment
  UCR48596  Gnaphalium ramosissimum R. D. Goeden, Don W. Ricker 1987-9-2 870902- 8 Humboldt Loleta, along Cannibal Road 8 Comment
  RSA168835  Gnaphalium sphaericum Joseph P. Tracy 1942-7-26 17299 Humboldt On the Redwood House road at old mill site, 1 mile N of Redwood House. Valley of South Yager Creek. 457 Comment
  HSC34504  Goodyera oblongifolia J. D. Ackerman 1975-5-3 441 Humboldt Hwy. 299, 200 yds. E of Lord Ellis Summit Comment
  CAS-BOT-BC304737  Grindelia hirsutula Lester Rowntree 1937-8-15 s.n. Humboldt Big Lagoon Comment
  CAS-BOT-BC304739  Grindelia hirsutula Joseph P. Tracy 1939-8-6 16397 Humboldt Shore of Big Lagoon 3 Comment
  HSC25397  Grindelia hirsutula S. Dowty 1972-10-29 325 Humboldt Near county dump at edge of Humboldt Bay Comment
  POM232053  Grindelia hirsutula Roxana S. Ferris 1937-8-21 9388 Humboldt Face of cliff above beach, Shelter Cove. Comment
  RSA125369  Grindelia hirsutula Peter H. Raven, Richard Snow 1958-7-21 13659 Humboldt Cape Mendocino Comment
  SEINET194315  Grindelia hirsutula var. davyi A. A. Heller 1923-7-7 13764 Humboldt Near the South Fork of the Eel River S of Garberville Comment
  JEPS67940  Hackelia bella H. W. Grinnell 1932-7-22 Humboldt near Blake Lookout; South Fork Mountain Comment
  HSC99536  Hackelia californica K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 201 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1738 Comment
  HSC57650  Hackelia micrantha G. L. Clifton, Griswold 1979-7-25 10820 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC57955  Hastingsia alba G. L. Clifton, Griswold 1979-7-31 11642 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC57978  Helenium bigelovii G. L. Clifton, Griswold 1979-7-31 11702 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58152  Helenium bigelovii G. L. Clifton, Griswold 1979-8-2 12204 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  JEPS35024  Helenium bigelovii Joseph P. Tracy 1937-8-12 15657 Humboldt Snow Camp 1402 Comment
  CAS-BOT-BC306868  Helenium bolanderi Carl B. Wolf 1937-8-10 9089 Humboldt Big Lagoon, bog at state park 6 Comment
  CAS-BOT-BC306872  Helenium bolanderi Dr. A. Kellogg; W. G. W. Harford 1868-1-1 469 Humboldt Unspecified Comment
  HSC35869  Helenium bolanderi Thomas W. Nelson, James Nelson 1975-8-5 2125 Humboldt Beside rd. to Table Bluff 1.0 mi. W of Copenhagen Rd. Comment
  POM87954  Helenium bolanderi L. R. Abrams, R. C. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  RSA167314  Helenium bolanderi Joseph P. Tracy, H. E. Parks 1950-7-16 11686 Humboldt Park's place, 2 miles N of Trinidad. Comment
  SEINET10673347 Image available Helenium bolanderi Albert Kellogg, W. G. W. Harford 1868-1 Kellogg 469 Humboldt Comment
  RSA695692  Helenium puberulum J. R. Bruff 1937-8-17 943 Humboldt Richardson Grove. Comment
  HSC45215  Hemitomes congestum Louise Watson, Mary Lou Schreiber 1978-9-29 Humboldt West side of summit, 1/4 mi. N. of McKinleyville-Fieldbrook Rd. Bulk Collection 137 Comment
  UC559947  Hemitomes congestum V. Rattan 1878-1 Humboldt Comment
  CAS-BOT-BC310078  Hemizonella minima Doris Kildale 1931-5-10 10549 Humboldt Snow Camp Comment
  HSC73668  Hemizonella minima M. A. Baker 1980-7-15 2962 Humboldt Near Whiting Ridge. 1341 Comment
  CAS-BOT-BC310000  Hemizonia congesta subsp. tracyi Alice Eastwood; John Thomas Howell 1937-6-23 4805 Humboldt Little Van Duzen River Comment
  JEPS12639  Hemizonia congesta subsp. tracyi W. L. Jepson 1934-5-8 16721 Humboldt n of Redway; South Fork Eel River Comment
  UC642335  Heracleum lanatum Joseph P. Tracy 1934-7-27 13491 Humboldt near mouth Mad River 15 Comment
  HSC61047  Heracleum maximum T. Jimerson, J. Pageau 1979-8-10 746 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  UC1212225  Hesperolinon adenophyllum Joseph P. Tracy 1946-8-25 17646 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  UC34985  Hesperolinon micranthum Hy-Am Pum July 1888 Humboldt Comment
  SEINET10460663  Heterocodon rariflorum Tracy TRACY 3329 Humboldt WILLOW CR. Comment
  UC195431  Heteromeles arbutifolia Joseph P. Tracy 1915-8-2 4664 Humboldt 3 mi above Carlotta (Yager Creek); Northern Coast Ranges, Yager Creek 91 Comment
  HSC67012  Heterotheca oregona var. rudis J. P. Smith 1971-10-9 4987 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  RSA93319  Heterotheca oregona var. rudis F. W. Peirson 1926-7-13 7051 Humboldt Near Blue Lake, Mad River Comment
  SEINET12216924  Heuchera micrantha F. H. Utech 1986-1 86 -398 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Humboldt County F3C) enroute to Capetown 80 Comment
  UC535765  Heuchera micrantha var. diversifolia Eleanor Armstrong 1934-5-17 Humboldt Richardson Grove Comment
  UC1198855  Heuchera micrantha var. diversifolia Joseph P. Tracy 1948-6-20 18071 Humboldt Willow Creek Canyon, along Trinity Highway, near Ruby Creek; Willow Creek Canyon 609 Comment
  CAS-BOT-BC424197  Heuchera micrantha var. hartwegii Elizabeth Parsons Hawver 1914-6-1 s.n. Humboldt Carlotta Comment
  RSA0063134  Heuchera micrantha var. hartwegii Joseph P. Tracy 1950-6-8 18716 Humboldt Bluffs at the Sand Cut . Wild Cat Rd. 2 miles S of Ferndale. 305 Comment
  JEPS26199  Heuchera rubescens Joseph P. Tracy 1932-7-18 10715 Humboldt head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC312393  Hieracium albiflorum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC71595  Hieracium albiflorum M. A. Baker 1980-6-26 2406 Humboldt Near Sims Creek 610 Comment
  UC1199465  Hieracium albiflorum Joseph P. Tracy 1935-7-28 14331 Humboldt Head of Devil's Hole Trinity Summit 1828 Comment
  HSC95113  Hieracium albiflorum Andrea Pickart 2002-6-30 130 Humboldt Lamphere Dunes Unit, Humboldt Bay National Wildlife Refuge 24 Comment
  HSC98116  Hieracium albiflorum Cara Witte 2007-6-27 371 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  HSC56365  Hieracium greenei Griswold, Butler 1979-7-10 6205 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  UC582411  Hieracium greenei Joseph P. Tracy 1935-7-30 14358 Humboldt Salmon Summit 1767 Comment
  HSC98950  Hieracium greenei Cara Witte 2007-7-9 466 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  HSC74410  Hieracium scouleri Gail Newton 1980-8-10 2024 Humboldt Near Blake Mtn. 1798 Comment
  CDA28238  Hierochloe occidentalis Wilma Mae Lowary & Norah van Kleeck 1974-8-8 Humboldt Lady Bird Johnson Grove, Redwood National Park, northeast of Orick. 0 Comment
  HSC6597  Hirschfeldia incana Jerry Parker 1968-11-11 233 Humboldt S of Vista Point Comment
  CAS-BOT-BC280737  Holcus lanatus M. S. Jussel 1931-5-2 125 Humboldt 6 miles from Garberville Comment
  CAS-BOT-BC280739  Holcus lanatus Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  SEINET200828 Image available Holcus lanatus J. P. Tracy 1914-9-13 4626 Humboldt Eureka 0 Comment
  UCD84961  Holcus lanatus Henry M. Pollard 1945-8-24 7892 Humboldt Klamath River Canyon. Between Orleans and Camp Creek. Comment
  HSC74749  Holodiscus discolor Gail Newton 1981-7-22 2261 Humboldt Near Bug Creek 1375 Comment
  OBI33238  Holodiscus discolor David J. Keil 1983-7-1 17262 Humboldt Ca. 8 mi W of jctn US 101 along Bull Creek Flats rd Comment
  HSC38770  Hordeum brachyantherum J. D. Ackerman 1975-6-10 463 Humboldt 1 mi. N of Samoa Blvd. and Samoa bridge Rd. intersection. S of Manila. Near Railroad tracks Comment
  UC1103488  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-6-15 17126 Humboldt near Redcrest resort; Englewood 91 Comment
  CAS-BOT-BC284691  Hordeum jubatum Joseph P. Tracy 1927-7-16 8249 Humboldt Northern Coast Region. Around Humboldt Bay. Mouth of Elk River 3 Comment
  RSA123425  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-6-17 5710 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  RSA624782  Hordeum murinum subsp. glaucum Gordon Leppig, Sylvia Leppig 1999-4-28 1127 Humboldt Arcata Bottoms; Mad River Rd. 1K North of lanphere Rd 2 Comment
  HSC76236  Horkelia tridentata var. flavescens Denis Kearns 1981-7-6 83 Humboldt Near Mosquito Lake 1256 Comment
  CAS-BOT-BC537894  Horkelia tridentata var. flavescens Lincoln Constance; Alan A. Beetle; Joseph P. Tracy 1940-5-17 2613 Humboldt Larabee Valley, near Eureka 762 Comment
  SEINET958139  Hosackia pinnata J. P. Tracy 1937-1 15375 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC1586870  Hydrophyllum fendleri var. albifrons Juha Pykala and D. H. Norris 1987-6-11 1587 Humboldt w of Crogan Hole (n of Trinity Mountain Wilderness, s of North Trinity Mountain) 1554 Comment
  UC562598  Hydrophyllum occidentale Joseph P. Tracy 1932-7-12 10470 Humboldt Head of Brett Hole; Trinity Summit 1828 Comment
  HSC13557  Hydrophyllum occidentale H. E. Parks, J. P. Tracy 1935-6-16 Humboldt Buck Mtn. Comment
  POM258591  Hydrophyllum occidentale Lincoln Constance, A. A. Beetle, Joseph P. Tracy 1940-5-17 2618 Humboldt NW slope, Lower slopes of Buck Mtn, near Eureka. 793 Comment
  HSC13539  Hydrophyllum tenuipes R. D. Zortman 1963-5-12 40 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UC180184  Hydrophyllum tenuipes Joseph P. Tracy 1914-6-7 4492 Humboldt Humboldt Bay Region; Northern Coast Region, Valley of North Fork of Eel River 0 Comment
  SEINET10720071  Hypericum anagalloides Charles L. Hitchcock, James S. Martin 1939-7-14 Hitchcock 5442 Humboldt Woods 7 miles east of Shelter Grove. 244 Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  POM146240  Hypericum formosum var. scouleri J. B. Feudge 1923-7-23 153 Humboldt Trinidad Comment
  UC1198404  Hypericum formosum var. scouleri Joseph P. Tracy 1920-7-25 5345 Humboldt Dows Prairie Northern Coast Ranges, Humboldt Bay, Dows Prairie 60 Comment
  CAS-BOT-BC401237  Hypericum perforatum Ira L. Wiggins 1930-7-22 4687 b Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC13844  Hypericum perforatum F. Morrell 1949-5-14 22 Humboldt Weitchpec Comment
  HSC57100  Hypericum perforatum Overton, Butler 1979-7-25 9832 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1046635  Hypericum perforatum J. I. Mallory 1955-9-17 123 Humboldt 3/8 mi. n.-n.w. Cottrell Ranch headquarters (V-Plot 1); Quad. 29A-2 746 Comment
  UCD110388  Hypericum perforatum subsp. perforatum A. H. Murphy 1947-6-19 s.n. Humboldt Dobbins Creek bridge, on Alderpoint-Blocksburg road. Comment
  HSC27043  Hypochaeris radicata Brad Klipfel 1973-8-23 285 Humboldt Near Lazy J Ranch on Fickle Hill Rd. Comment
  HSC35707  Iliamna latibracteata Thomas W. Nelson, B. Reinhardt 1975-7-30 2091 Humboldt Grouse Creek side of Last Chance Ridge. Comment
  POM257407  Iliamna latibracteata H. E. Parks, S. T. Parks 1935-06 5543 Humboldt East side of Prairie Creek, north of Orick Comment
  RSA366781  Iris Anstruther Davidson 1918-07 3343 Humboldt Eel River. Comment
  HSC99250  Iris chrysophylla T. Jimerson, J. Pageau 1979-6-13 551 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  HSC13865  Iris douglasiana J. J. Wagoner 1965-4-3 9 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park 24 Comment
  SEINET4170680  Iris douglasiana Unknown 1934-6-8 Humboldt Bolling Grove State Park. Comment
  UCSB879  Iris douglasiana Phillips, Priscilla 1958-6-7 Humboldt At entrance to Big Lagoon Park; North of Trinidad Comment
  HSC100501  Iris longipetala Carl C. Marshall May 1886 157 Humboldt Everywhere. Comment
  SEINET4170718  Iris macrosiphon Unknown 1932-7-17 10662 Humboldt Trinity Summit, near Corral Prairie 1585 Comment
  SEINET4170719  Iris macrosiphon Unknown 1938-3-27 15700 - 1/2 Humboldt Miranda, along Fork of Eel River 122 Comment
  BLMAR542  Iris purdyi Jennifer Wheeler 2009-6-23 542 Humboldt King range, On Paradise Ridge road Comment
  UC275564  Iris purdyi Joseph P. Tracy 1924-7-4 6715 Humboldt Snow Camp; Northern Coast Ranges 1371 Comment
  HSC35034  Iris tenuissima Thomas W. Nelson, James Nelson 1975-5-24 1856 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC59440  Iris tenuissima Kenneth Clark 1979-5-16 307 Humboldt Tish Tang State Campground, 11 mi. N of Willow Creek on Hwy. 96 244 Comment
  CAS-BOT-BC112459  Isolepis cernua Carl B. Wolf 1927-8-22 790 Humboldt Big Lagoon Comment
  HSC37968  Isolepis cernua Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  CAS-BOT-BC112457  Isolepis cernua Doris K. Kildale 1927-6-25 3556 Humboldt Shelter Cove, coastal. Comment
  HSC48793  Isolepis setacea Brad Klipfel 1974-5-11 342 Humboldt SW side of Big Lagoon Comment
  RSA181881  Jaumea carnosa Joseph P. Tracy 1938-7-15 16072 Humboldt Mouth of Eel River. 3 Comment
  CAS-BOT-BC102330  Juglans regia Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River, near Boyce Creek, Orleans region Comment
  RSA129413  Juncus breweri H. S. Yates 1936-6-16 5655 Humboldt 1/2 mile southwest of Samoa. 3 Comment
  HSC13999  Juncus bufonius C. S. Chavez 1965-5-9 70 Humboldt Jct. of Bayside and Freshwater Rds. Comment
  UCD150382  Juncus lescurii William Anderson and H. Mc. 1964-8-6 s.n. Humboldt Freshwater Lagoon. Comment
  UC183659  Juncus occidentalis Joseph P. Tracy 1911-7-7 3398 Humboldt 3 mi nw junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  HSC57961  Juncus orthophyllus G. L. Clifton, Griswold 1979-7-31 11662 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  CHSC102932  Juncus patens Peter F. Zika 2007-7-30 23329 Humboldt North Coast, NCo. Above E side of Route 101, at high point between Stone and Big Lagoons. 80 Comment
  UC198646  Juncus saximontanus Joseph P. Tracy 1917-9-1 4834 Humboldt Murphy meadow Northern Coast Ranges, Bald Mt. 1066 Comment
  JEPS67133  Juncus xiphioides Joseph P. Tracy 1915-9-12 4671 Humboldt Mouth of Laribee Creek Northern Coast Ranges 60 Comment
  SEINET8567059 Image available Juncus xiphioides John Thomas Howell 1936-8-28 12882 Humboldt 4.5 miles from Dinsmores on road to Bridgeville Comment
  OBI14464  Kalmia polifolia Joseph P. Tracy 1942-6-23 17262 Humboldt Local at "Water Dog lakes" Comment
  RSA120310A  Keckiella corymbosa S. S. Tillett 1956-7-6 605 Humboldt E facing slope above Klamath River, along Ishi Rish Road, 1 mi. n. of Orleans. 168 Comment
  UCD123822  Keckiella corymbosa D. Wiesendanger; F. Randall 1926-7-1 1541 Humboldt Richardson's Grove, Redwood Highway. Comment
  HSC56117  Kelloggia galioides Gilbert Muth 1979-8-1 11893 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  UC1196076  Kelloggia galioides Joseph P. Tracy 1919-9-19 5257 Humboldt Trinity Summit; Northern Coast Ranges 1889 Comment
  UC35327  Kelloggia galioides Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  UC902208  Kickxia elatine Joseph P. Tracy 1946-8-25 17648 Humboldt near mouth of Van Duzen River; Eel River 15 Comment
  HSC61762  Kickxia spuria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan, 1 mi. above Pecwan, upper road Comment
  CHSC79872  Kniphofia uvaria Gordon Leppig; Sylvia Leppig 2000-4-9 1287 Humboldt Arcata Marsh and Wildlife Refuge, South east corner of Klopp Lake dike, UTM zone 10, 4524N, 407E. 0 Comment
  UC1132146  Koeleria macrantha H. S. Yates 1936-6-17 5699 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad., lower nw slope Buck Mountain Comment
  JEPS7507  Kyhosia bolanderi Joseph P. Tracy 1935-7-23 14136 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC552313  Lactuca biennis Joseph P. Tracy 1934-8-14 13583 Humboldt near Myers; North Coast Ranges 60 Comment
  UC1051587  Lactuca serriola Joseph P. Tracy 1943-11-28 17461 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  UC1239533  Lactuca serriola Joseph P. Tracy 1946-8-25 17650 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  JEPS10075  Lasthenia californica subsp. californica Joseph P. Tracy 1932-6-26 10265 Humboldt Valley of South Yager Creek 762 Comment
  UC1199132  Lasthenia californica subsp. californica Joseph P. Tracy 1922-5-29 6083 Humboldt South Yager Creek valley Northern Coast Ranges, South Yager Creek valley 762 Comment
  HSC14744  Lathyrus littoralis J. W. Johnson 1962-5-6 1326 Humboldt W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC33765  Lathyrus littoralis Paul Dryden 1975-5-24 207 Humboldt Samoa Dunes, across from the boat landing. Comment
  HSC44618  Lathyrus littoralis Laura Witherspoon 1977-5-25 Humboldt Manila Comment
  HSC14751  Lathyrus nevadensis var. nevadensis D. E. Anderson 1962-5-1 2203 Humboldt 1 mi. W of Hoopa Comment
  SBBG3360  Lathyrus polyphyllus H. and M. Dearing 1933-5-16 825 Humboldt near Weott Comment
  UC1222409  Lathyrus polyphyllus Joseph P. Tracy 1948-8-15 18118 Humboldt 1 1/2 miles north of Forest Service Public Camp on Trinity Summit Road. Happy Camp Mountain (In Trinity Summit Range, 6 miles northeast of Hawkins Bar.) Comment
  SDSU4206  Lathyrus sulphureus D. F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on #101. 61 Comment
  HSC33771  Lathyrus tingitanus Lon Hall 1975-5-24 383 Humboldt Samoa Dunes, off Samoa Blvd., across from the boat landing Comment
  UC709410  Lathyrus torreyi Joseph P. Tracy 1939-7-9 16338 Humboldt Snow Camp 1402 Comment
  HSC14706  Lathyrus vestitus subsp. bolanderi H. E. Parks Jun 1931 1082 Humboldt Kneeland Comment
  UC931335  Lathyrus vestitus var. ochropetalus C. L. Hitchcock 1949-6-8 19093 Humboldt 1 mi w Willow Creek (near Highway 299) Comment
  CAS-BOT-BC325926  Layia carnosa Harley P. Chandler 1901-5-1 1150 Humboldt Humboldt Bay 3 Comment
  CAS-BOT-BC325994  Layia carnosa David D. Keck; J. Clausen 1935-6-16 3381 Humboldt Mouth of Little River. Comment
  UC198626  Layia carnosa Joseph P. Tracy 1917-5-30 4796 Humboldt mouth Little River Comment
  HSC100701  Layia carnosa Carl C. Marshall May 1885 39 Humboldt Peninsula. Comment
  HSC59501  Lemna minor M. A. Ericksen 1979-5-29 308 Humboldt Northern-most of Clam Beach ponds Comment
  RSA15571  Leontodon nudicaulis C. B. Wolf 1927-8-28 1188 -A Humboldt Eureka Bay, on the road to Arcata. Comment
  UC14403  Lepidium densiflorum Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  POM203447  Lepidium heterophyllum M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  CHSC42328  Leptosiphon androsaceus Victor Duran 1933-5-10 3403 Humboldt Near Blocksburg. Comment
  HSC37507  Leptosiphon androsaceus J. D. Ackerman, A. M. Montalvo 1975-6-22 486 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  HSC45057  Leptosiphon androsaceus R. Sutherland 1978-4-24 9 .24478 Humboldt 323 Comment
  CAS-BOT-BC341823  Lessingia nemaclada Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  JEPS20620  Lessingia nemaclada Joseph P. Tracy 1929-8-18 8656 Humboldt on Van Duzen River opposite Buck Mountain; Northern Coast Ranges, Dinsmore's Ranch 670 Comment
  HSC89757  Leucanthemum vulgare M. Roantree 1985-5-15 49 Humboldt E side of Trinidad Head. Comment
  HSC48392  Lewisia leeana Brad Klipfel 1973-6-10 152 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET200615 Image available Lewisia nevadensis Joseph P. Tracy 1932-7-10 10377 Humboldt Trinity summit open places at Corral Prairie 1585 Comment
  HSC104437  Lewisia nevadensis Greg O'Connell 2013-5-16 Humboldt North of Board Camp Mountain, southeast of Snow Camp Mountain. Comment
  UCD149816  Leymus X vancouverensis William Anderson 1965-6-26 s.n. Humboldt Arcata Bottoms. Comment
  CAS-BOT-BC436492  Ligusticum apiifolium Ira L. Wiggins 1930-7-22 4692 Humboldt Along Redwood Creek between Blue Lake and Wilow Creek Comment
  UC1197172  Ligusticum apiifolium Joseph P. Tracy 1939-8-5 16379 Humboldt along Van Duzen R. below Dinsmore's; Van Duzen R. 762 Comment
  UC1197169  Ligusticum grayi Joseph P. Tracy 1932-7-12 10444 Humboldt Trinity Summit, Corral Prairie 1584 Comment
  UC1198267  Lilaea scilloides Joseph P. Tracy 1933-5-20 12274 Humboldt back of Cape Mendocino; Cape Ridge Comment
  UC1101451  Lilaeopsis occidentalis Malcolm A. Nobs and S. Galen Smith 1949-8-3 1166 Humboldt 1 mi. s. Fields Landing (Eel R. Valley); Eel R. Valley Comment
  CAS-BOT-BC508393  Lilium columbianum Doris K. Kildale 1927-7-10 3739 Humboldt Gans Prairie, Bald Hills Comment
  HSC100557  Lilium columbianum Carl C. Marshall Jun 1885 131 Humboldt Near Jarningan's. Comment
  CAS-BOT-BC130682  Lilium occidentale Doris K. Kildale 1925-6-25 751 Humboldt Eden Tract - Eureka, Pine's Pasture Comment
  UC1035025  Lilium occidentale A. M. Vollmer and L. Beane Jul 1953 118 Humboldt Comment
  JEPS62008  Lilium pardalinum Hilda Grinnell 1932-7-19 31 Humboldt near McKay Camp 1676 Comment
  HSC57911  Lilium pardalinum subsp. pardalinum Gilbert Muth 1979-7-31 11520 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  HSC58051  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-8-1 11913 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  HSC35754  Lilium washingtonianum subsp. purpurascens Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1998 Humboldt French Camp, Bald Hills. Comment
  UC1537005  Limnanthes douglasii Gordon H. True Jr. 1936-5-11 462 Humboldt 12 mi w Miranda (e of Elk Ridge); Elk Ridge 457 Comment
  RSA183582  Limnanthes douglasii subsp. douglasii G. Bos 1965-5-15 274 Humboldt Berry Summit near U.S. 299. 793 Comment
  CHSC23185  Limonium californicum Robert F. Thorne; P. Everett 1965-8-7 35211 Humboldt Samoa Peninsula. 0 Comment
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC1198591  Linanthus androsaceus Joseph P. Tracy 1923-6-3 6252 Humboldt Kneeland Prairie 762 Comment
  UC1198596  Linanthus androsaceus Joseph P. Tracy 1927-6-12 8168 Humboldt Horse Mountain Northern Coast Ranges 1066 Comment
  JEPS58157  Linanthus androsaceus Milo S. Baker 1923-7-20 45 Humboldt Yager Creek 609 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
  UC524126  Linaria vulgaris Ira L. Wiggins 1932-7-19 5890 Humboldt near Trinidad Head Comment
  HSC34281  Linnaea borealis subsp. longiflora K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  UC169339  Linnaea borealis var. longiflora Joseph P. Tracy 1911-7-12 3521 Humboldt mountain slopes along road between Three Creeks and mouth of Willow Creek (at Three Creeks); Northern Coast Ranges, bwt Three Creeks and Willow Creek mou 914 Comment
  UC28473  Linnaea borealis var. longiflora J. Burtt Davy 1899-6-21 5741 Humboldt Trinity Summit; North Coast Ranges, Trinity Summit 609 Comment
  SEINET10634291  Linum Daniel K. Harder 1994-10-4 Harder 2493 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
  UC1561309  Linum bienne Barbara Ertter with Thomas J. Delendick 1987-5-16 6911 Humboldt 8 mi e of Arcata (9 1/2 mi w of Lord Ellis Summit, Highway 299 roadside); Highway 299 Comment
  HSC63066  Linum bienne David Wheeler 1979-5-23 135 Humboldt Humboldt State University campus by the Plant Operations yard. Comment
  HSC69790  Linum bienne R. Kalal 1979-5-8 59 Humboldt 7th St. and Union Ave., in Arcata. 18 Comment
  SEINET12185780  Linum micranthum J. P. Tracy 1950-1 18994 Humboldt on the Albee Rd., Buck Mountain, high meadow on W side, 3 mi S of Burr Valley 1158 Comment
  HSC64187  Listera convallarioides J. O. Sawyer, M. A. Ericksen 1979-6-23 3388 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC303141  Listera cordata Joseph P. Tracy 1925-4-5 6956 Humboldt Kneeland Road crossing Northern Coast Ranges, Lawrence Creek 609 Comment
  HSC76614  Listera cordata var. nephrophylla Teresa Prendusi 1981-7-9 178 Humboldt Near Cedar Camp 1268 Comment
  UC1196370  Lithocarpus densiflorus Joseph P. Tracy 1930-7-26 9114 Humboldt vicinity of Garberville; Northern Coast Ranges 121 Comment
  CAS-BOT-BC36103  Lithocarpus densiflorus var. densiflorus L. R. Abrams 1916-7-11 6005 Humboldt Between Blackberry and Bridgeville Comment
  RSA44461  Lithocarpus densiflorus var. densiflorus H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail. 762 Comment
  UC14526  Lithophragma affine W. C. Blasdale 1896-6-8 Humboldt Graham's Comment
  UC1199424  Logfia gallica Joseph P. Tracy 1936-8-23 15165 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC1222610  Lomatium californicum Joseph P. Tracy 1950-6-15 18804 Humboldt 7 mmi. n. Harris (chaparral area at Jenk's ranch) Comment
  UC1222808  Lomatium dasycarpum Joseph P. Tracy 1950-7-6 19000 Humboldt Albee Road, 2 mi S of Burr Valley Comment
  UC659308  Lomatium dissectum var. dissectum Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2617 Humboldt lower slopes of Buck Mt. near Eureka; Buck Mt. 792 Comment
  HSC55748  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-26 10275 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC55837  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-25 10774 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC40717  Lomatium tracyi Thomas W. Nelson, Barbara Kelly 1977-6-15 3443 Humboldt Along old road to Horse Mountain ski area. 1372 Comment
  UC1197146  Lomatium triternatum var. triternatum Joseph P. Tracy 1930-7-10 8875 Humboldt Northern Coast Ranges, Brannan Mt. 1066 Comment
  UC642350  Lomatium utriculatum Joseph P. Tracy 1930-6-29 8814 Humboldt lower foothills of its n.w. slope Buck Mt. 762 Comment
  HSC27656  Lonicera conjugialis G. L. Clifton, Terry Griswold 1979-7-25 10829 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1239548  Lonicera conjugialis Joseph P. Tracy 1932-7-12 10481 Humboldt head Brett Hole; Trinity Summit 1828 Comment
  BLMAR175  Lonicera hispidula Donald Hazlett 1994-6-7 175 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CHSC31276  Lonicera hispidula Mark Stopher 1980-5-28 73 Humboldt Growing on Lithocarpus densiflorus along Rte 169, 1.8 mi E of Martins Ferry Bridge. Comment
  RSA171943  Lonicera hispidula var. vacillans R. F. Thorne 1957-9-2 19002 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  SEINET10745663  Lonicera hispidula var. vacillans J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13012 Humboldt On U.S. 101, near Holmes, 1.76 km south of Stafford Road. Comment
  HSC31644  Lonicera involucrata var. ledebourii Glenn McGourty 1974-6-1 78 Humboldt Comment
  HSC96530  Lonicera involucrata var. ledebourii Gordon Leppig 1998-5-11 758 Humboldt Big Lagoon County Park. 3 Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  SEINET5736924 Image available Lotus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6108 Humboldt From California 299 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4), travel 4.5 miles to collection site. Comment
  SEINET3523157 Image available Lotus aboriginus Joseph P. Tracy 1949-6-20 18321 Humboldt Near Boynton Prairie, 12 mi SE of Arcata Comment
  SEINET3523625 Image available Lotus americanus Joseph P. Tracy 1912-7-24 3807 Humboldt Eureka 0 Comment
  CDA4163  Lotus corniculatus Gordon Leppig 1997-6-19 444 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  HSC43241  Lotus corniculatus R. Sutherland 1976-8-6 7 .6876 Humboldt 229 Comment
  JEPS55388  Lotus crassifolius var. crassifolius Lincoln Constance 1934-6-15 877 Humboldt Summit of Grasshopper Peak South Fork Eel River, Bull Creek Region 975 Comment
  UC726594  Lotus denticulatus A. A. Heller 1923-7-10 13791 Humboldt between Scotia and Pepperwood; Eel River Comment
  UC1223398  Lotus formosissimus J. P. Tracy 1935-6-8 13941 Humboldt just e Eureka city limits (on Santa Clara Tract); Eureka 0 Comment
  RSA12543  Lotus oblongifolius var. nevadensis Carl B. Wolf 1934-7-2 5895 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  JEPS79926  Lotus oblongifolius var. oblongifolius Joseph P. Tracy Jul 16 1930-Jul 19 1930 8997 Humboldt McKay Cmap Northern Coast Ranges, South Fork Mountian 1676 Comment
  UC1197286  Lotus purshianus var. purshianus Joseph P. Tracy 1908-6 2885 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  SEINET3560045 Image available Lotus stipularis var. subglaber Joseph P. Tracy 1914-7-5 4576 Humboldt Bald Mountian, between High Prairie and Snow Camp 1219 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
  HSC32343  Luina hypoleuca D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5637 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC70698  Luina hypoleuca Gail Newton 1980-7-15 1554 Humboldt Near Sims Mtn. 1311 Comment
  RSA94105  Luina hypoleuca var. californica F. W. Peirson 1926-7-12 7026 Humboldt Humboldt County: Klamath River near Weitchpec Comment
  CAS-BOT-BC201187  Lupinus David Keil 1983-7-2 17319 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road Comment
  CAS-BOT-BC201189  Lupinus Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  UC176295  Lupinus adsurgens Joseph P. Tracy 1913-6-19 4200 B Humboldt opposite Buck Mountain (Dinsmore's); Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  UC1223268  Lupinus albicaulis var. shastensis Joseph P. Tracy 1949-8-7 18433 Humboldt on road from Hoopa to Box Camp at summit of ridge near where the road to Big Hill turns off Trinity Summit; , rd fr Hoopa to Box Camp Comment
  JEPS64913  Lupinus albifrons Joseph P. Tracy 1916-6-19 4707 Humboldt on high ridges at Robertson Ranch; Northern Coast Ranges, Burr Creek 914 Comment
  HSC96074  Lupinus albifrons var. collinus J. McIntire, S. Lyon 2005-6-24 17 Humboldt FS NF1 1375 Comment
  HSC96201  Lupinus albifrons var. collinus Wanda Naylor, Laurel Goldsmith 2005-6-24 13 Humboldt S of Grouse Mountain on NF1 1595 Comment
Read comments
Jan 16 2014
  CHSC19506  Lupinus arboreus Gary J. Sebbings 1970-4-18 64 Humboldt Along U.S. lol 1.0 mi north of Clam Beach exit. Comment
  HSC38340  Lupinus arboreus Peter Sorensen 1976-7-14 Humboldt N Spit Comment
  LA205182  Lupinus arboreus C. B. Wolf; 1930-10-28 1780 Humboldt Samoa, Humboldt Bay 15 Comment
  SD39023  Lupinus arboreus Edith A. Purer 1932-7-27 4150 Humboldt Samoa, stabilized sand dunes Comment
  RSA331967  Lupinus arboreus var. arboreus Dave Kelly, Walter Wisura, A. Kelly 1985-7-28 4065 Humboldt Outer sand dunes near Manilla, Samoa Peninsula near Eureka Comment
  UCD107126  Lupinus bicolor Linda M. Barker 1976-6-1 1564 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC1197278  Lupinus bicolor Joseph P. Tracy 1913-6-25 4334 Humboldt opposite Buck Mountain (Dinsmore's Ranch, Valley of Van Duzen River); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  RSA296803  Lupinus bicolor subsp. microphyllus Lincoln Constance 1934-5-26 664 Humboldt S. Ford of eel River, S. end of Dyerville Bridge. 46 Comment
  HSC57309  Lupinus latifolius Griswold, Butler 1979-7-10 6265 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC63290  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-6-27 938 Humboldt Jct. of Tish Tang A Tang Creek and trail through Grogan's Hole Comment
  HSC90754  Lupinus littoralis Gail Newton 1982-5-5 2534 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC41636  Lupinus lyallii var. villosus Thomas W. Nelson, Jane P. Nelson 1977-6-19 3511 Humboldt Along rd. to Pine Mtn. SW of Alder Springs 1494 Comment
  HSC14852  Lupinus nanus H. E. Parks 1930-5-25 869 Humboldt Laribee Valley 762 Comment
  HSC100522  Lupinus nanus Carl C. Marshall 1885-5-11 34 Humboldt Peninsula near Fairhaven. Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC169346  Lupinus polyphyllus var. pallidipes Joseph P. Tracy 1912-6-9 3693 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC1197251  Lupinus polyphyllus var. polyphyllus Joseph P. Tracy 1907-6-25 2576 Humboldt mouth Elk River (region about Humboldt Bay); Northern Coast Region, Humboldt Bay region, Elk River 0 Comment
  BLMAR802  Lupinus rivularis Madeleine Hassett 2017-6-5 802 Humboldt Lost Coast Headlands, Along Guthrie Creek trail 121 Comment
  RSA21084  Lupinus rivularis Carl B. Wolf 1937-6-19 8912 Humboldt Van Duzen River, 3/10 mi. above Bridgeville. 122 Comment
  RSA414417  Lupinus rivularis Bonnie C. Templeton 1964-6-11 10073 Humboldt Between Salyer and Arcata on Highway 299 Comment
  HSC58602  Lupinus tracyi G. L. Clifton, Griswold 1979-7-25 10843 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC14889  Lupinus variicolor J. W. Johnson 1962-4-19 1279 Humboldt Manila, Samoa Peninsula Comment
  RSA167382  Lupinus variicolor Joseph P. Tracy 1938-7-11 16046 A Humboldt Brainards Point, sandy soil along highway between Eureka and Arcata. Comment
  HSC14132  Luzula comosa Gerald T. Rood 1962-5-6 15 Humboldt Kneeland Rd. 1 mi. W of Barry Rd. Comment
  HSC45642  Luzula comosa Diane L. Reed 1978-4-22 17 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC75361  Luzula comosa J. O. Sawyer, A. Erickson 1979-7-15 3416 Humboldt Adroni Research Natural Area, slopes along Aikins Creek 457 Comment
  UC183719  Luzula comosa Joseph P. Tracy 1912-6-2 3642 Humboldt at Eureka Northern Coast Region, at Eureka 0 Comment
  CAS-BOT-BC499137  Luzula macrantha Peter F. Zika 2011-7-3 25497 Humboldt Titlow Hill Road, 3.7 road miles SE of Rte 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  SEINET200596 Image available Lycopodium inundatum H. E. Parks, JP Tracy 1928-9-8 8504 Humboldt Big Lagoon Comment
  RSA47156  Lycopus uniflorus Doris K. Kildale 1926-7-16 2385 Humboldt Big Lagoon Comment
  SDSU11607  Lysichiton americanus D. F. Howe 1972-6-30 4845 Humboldt Trinidad Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  HSC59495  Lysichiton americanus M. A. Ericksen 1979-4-20 212 Humboldt Adjacent to Cranell Rd. and Little River Dr. junction Comment
  HSC46957  Lythrum hyssopifolia J. P. Smith, Thomas W. Nelson 1977-6-30 9203 Humboldt Samoa Peninsula just E of the drag strip. Comment
  CAS-BOT-BC342798  Madia elegans Carl B. Wolf 1927-8-28 1162 Humboldt On the Trinity River, 3 miles from Weitchpec 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
  UC129392  Madia elegans Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5681 Humboldt Hoops Mt. Hoopa Mt. Comment
  CAS-BOT-BC343016  Madia gracilis Joseph P. Tracy 1937-7-29 15596 Humboldt South Fork Mountain. West slope near top, at Hyampom Trail 1676 Comment
  CAS-BOT-BC343015  Madia gracilis Joseph P. Tracy 1933-7-21 12817 Humboldt Redwood House, on road from Van Duzen River to South Yager 762 Comment
  UC176475  Madia gracilis Joseph P. Tracy 1913-6-13 4109 Humboldt opposite Buck Mountain (in Van Duzen River Valley, Dinsmore's Ranch); Northern Coast Ranges, in Valley of Van Duzen River, Dinsmor 762 Comment
  UCD20173  Madia gracilis J. M. Tucker 1948-9-3 1856 Humboldt Ridge between Horse and Grouse Mountains. Comment
  POM51394  Madia madioides L. R. Abrams 1916-7-11 6017 Humboldt Mouth of Grizzly Creek on Van Duzen River. Comment
  CAS-BOT-BC343588  Madia sativa Joseph P. Tracy 1927-6-18 8176 Humboldt Northern Coast Ranges. Cape Mendocino. Southwestern slopes, fronting the ocean, three miles south of point of the cape 30 Comment
  RSA2932  Mahonia nervosa C. B. Wolf 1931-8-29 1243 Humboldt Near summit of Orick Hill on road to Weitchpec. 304 Comment
  CHSC68509  Maianthemum dilatatum Vernon H. Oswald 1997-4-10 8324 .1 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  HSC26821  Maianthemum dilatatum Clifton Raymond Chesbrough 1973-6-19 67 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  CAS-BOT-BC508515  Maianthemum dilatatum Doris K. Kildale 1925-12-20 1342 Humboldt Big Lagoon Comment
  CAS-BOT-BC508516  Maianthemum dilatatum H. E. Parks 1932-5-1 4289 Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC15599  Maianthemum dilatatum D. B. Bader 1963-5-1 43 Humboldt Second of the Clam Beach lagoons N end, W of Hwy. 101 Comment
  HSC60294  Maianthemum dilatatum Phyllis Krieg 1979-4-28 Humboldt Azalea Park along trail, McKinleyville 30 Comment
  HSC97658  Maianthemum dilatatum Danny Pineda 2001-5-3 16 Humboldt 3 mi. E of Hwy. 299 on West End Rd. 61 Comment
  RSA376907  Maianthemum dilatatum Larry E. DeBuhr, Gary D. Wallace 1972-5-22 606 Humboldt About 25 miles north of Arcata on the south end of Big Lagoon. Comment
  HSC15888  Maianthemum racemosum subsp. amplexicaule A. E. Inman 1962-5-25 Humboldt S bank of Mad River, S of Azalea Hill Rd. Comment
  HSC45619  Maianthemum racemosum subsp. amplexicaule Diane L. Reed 1978-4-22 36 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  RSA554593  Maianthemum racemosum subsp. amplexicaule Walter Wisura 1993-5-9 4911 Humboldt Northwest: Hwy 299, 5.7 mi. W of Willow Creek at E-fork camp ground. Comment
  HSC70360  Malacothrix floccifera Gail Newton 1980-6-7 141 Humboldt Near Brush Mtn. 1128 Comment
  HSC41005  Malacothrix floccifera J. O. Sawyer 1975-10-17 2716 Humboldt Along road to Brush Mountain Lookout 1189 Comment
  HSC98706  Malacothrix floccifera Cara Witte 2007-7-24 572 Humboldt Ammon Ridge Road. 4 miles east of intersection with National Forest 1. 1462 Comment
  POM56123  Malacothrix floccifera Joseph P. Tracy 1918-7-6 5049 Humboldt South Fork of Eel River near the Humboldt-Mendocino County Line 152 Comment
  HSC12785  Marah oregana M. J. Athey 1970-11-2 7 Humboldt Trinidad, just after Westhaven turnoff on Hwy. 101, and Havenway Comment
  HSC95680  Marah oregana Steven Lee 2004-4-11 16 Humboldt About 1 mi. N of Scenic Dr., Houda Point. Off of Hwy. 101, Westhaven. Comment
  CAS-BOT-BC67837  Marsilea vestita H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  HSC98388  Medicago lupulina Jana Kattenhorn 1970-10-28 144 Humboldt Mad River Bottoms, N Bank off Essex, off Hwy. 299 Comment
  CDA18210  Medicago polymorpha G. D. Barbe, T. C. Fuller 1974-6-17 1838 Humboldt North Coast Ranges; Shelter Cove, uphill, E of Sail Court. 91 Comment
  UC1197425  Medicago polymorpha Joseph P. Tracy 1932-5-1 9882 Humboldt vicinity of Garberville Northern Coast Ranges 121 Comment
  HSC15527  Medicago polymorpha J. Lackey 1971-3-28 10 Humboldt 3 mi. S of Cape Mendocino on Capetown Rd. Comment
  UC1145134  Melica aristata Joseph P. Tracy 1949-7-19 18374 Humboldt Friday Camp Grouse Mountain (Grouse Mountain) 1219 Comment
  RSA10133  Melica bulbosa Joseph P. Tracy 1932-7-12 10445 Humboldt Open ground at Corral Prairie, Trinity Summit, Klamath Mountains. 1524 Comment
  UC34137  Melica californica Joseph Burtt Davy 1899-6-8 5343 Humboldt Bells Springs Comment
  UC1103761  Melica fugax Joseph P. Tracy 1913-6-17 4193 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  HSC10347  Melica geyeri A. H. Murphy 1951-4-18 21 Humboldt Ft. Seward next to railroad right of way. 183 Comment
  UC1132278  Melica harfordii H. L. Person 1932-5-11 Humboldt near Arcata 0 Comment
  UC249876  Melica harfordii Joseph P. Tracy 1923-5-30 6243 Humboldt Dyerville North Coast Ranges, Eel River (along Eel River from South Fork to Scotia) 60 Comment
  UC552689  Melica stricta Joseph P. Tracy 1935-7-28 14333 Humboldt Head of Brett Hole; Trinity Summit 1828 Comment
  UC1145128  Melica subulata Joseph P. Tracy 1942-6-2 17107 Humboldt Valley of South Yager Creek 762 Comment
  UCD88652  Melica subulata A. H. Murphy 1951-5-18 41 Humboldt K. Roscoe Ranch, Upper Mattole. Comment
  UCD89113  Melica torreyana A. H. Murphy 1951-4-18 20 Humboldt Fort Seward. Comment
  JEPS65536  Melilotus indicus Lincoln Constance 1934-5-26 662 Humboldt s end of Dyerville Bridge, South Fork of Eel River, Bull Creek Region Dyerville Bridge; Bull Creek Region, South Fork Eel River, Dyerville Bridge 45 Comment
  UC1239693  Mentha aquatica Joseph P. Tracy 1918-11-17 5120 Humboldt Eureka; Northern Coast Ranges 0 Comment
  SEINET13946829 Image available Mentha arvensis Henry M. Pollard 1945-1 Humboldt Pond near Harley place, Orleans Comment
  UC577360  Mentha pulegium Joseph P. Tracy 1923-6-20 6336 Humboldt Briceland 304 Comment
  UC668288  Mentzelia dispersa Joseph P. Tracy 1937-7-24 15521 Humboldt Trinity Summit, Devil's Hole 1676 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
  HSC7849  Menziesia ferruginea subsp. ferruginea J. C. Reppas 1963-4-20 33 Humboldt 1 mi. N of Fickle Hill Rd. Comment
  UCD102807  Micranthes californica K. Esau 1935-4-8 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC348374  Micropus californicus var. californicus S. K. Harris; J. P. Tracy 1942-6-15 s.n. Humboldt Harris Road, 1 mile east of Garberville 30 Comment
  UC1199341  Micropus californicus var. californicus Joseph P. Tracy 1925-5-31 7052 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC707028  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-3 3283 Humboldt 1.4 mi e Garberville (on road to Harris) 304 Comment
  UC129386  Microseris laciniata subsp. leptosepala J. Burtt Davy 1899-6-22 5864 Humboldt Trinity Summit North Coast Ranges, Trinity Summit Comment
  CAS-BOT-BC349237  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain. Near McKay Camp 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
  UC302189  Microseris nutans Joseph P. Tracy 1926-6-20 7620 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC538045  Microseris nutans E. B. Babcock 1932-6-25 405 Humboldt n slope South Fork Mt. (Humboldt-Trinity Counties) 1524 Comment
  UC582732  Microseris nutans Joseph P. Tracy 1933-7-9 12653 Humboldt Brannan Mountain North Coast Ranges 1066 Comment
  HSC40549  Microsteris gracilis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2519 Humboldt SW facing slopes 1666 Comment
  SEINET178573  Microsteris gracilis Parks, Tracy 1930-5-25 0795 Humboldt Laribee Valley 792 Comment
  HSC98611  Microsteris gracilis var. gracilis C. Witte 2007-5-10 15 Humboldt Buck Flat. Intersection of National Forest 1 and 5N01. 1552 Comment
  UC582708  Mimulus arvensis H. E. Parks and Joseph P. Tracy 1931-5-9 12541 Humboldt near Miranda 60 Comment
  POM267769  Mimulus aurantiacus var. aurantiacus Lyman Benson 1928-7-9 412 Humboldt Weott Ranger Station, Seaward N Coast mt. range, S Fork Eel River watershed 61 Comment
  RSA550829  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-6 1115 Humboldt Just N of Miranda. 0.1 mi s of bridge over Bridge Creek along Hwy 254 (parallels Hwy 101) 101 Comment
  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
  SBBG15433  Mimulus dentatus H. and M. Dearing 1939-5-27 3453 Humboldt Russ Grove Redwoods Comment
  UC1281762  Mimulus dentatus Richard Spellenberg 1965-6-14 1133 Humboldt about 1 1/2 mi e Bayside (on road leading up to Jacoby Creek (Bayside is 2 mi s of Arcata)) Comment
  SEINET10570226  Mimulus floribundus Charlene A. Bennett 1976-8-6 Bennett 484 Humboldt Collected by hwy 101, n side of orick. Rocky area, densely forested by river. Comment
  UC1196769  Mimulus floribundus Joseph P. Tracy 1923-9-16 6557 Humboldt at mouth South Fork; Trinity River Valley 182 Comment
  UC582705  Mimulus grandis Joseph P. Tracy 1933-6-6 12501 Humboldt Trinidad 3 Comment
  JEPS25044  Mimulus inodorus Doris Kildale Aug. 1925 Humboldt Trinity Summit Comment
  UC582478  Mimulus inodorus Joseph P. Tracy 1937-8-12 15655 Humboldt Snow Camp 1402 Comment
  HSC60082  Mimulus kelloggii M. A. Baker 1978-5-6 500 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  UC41887  Mimulus kelloggii W. C. Blasdale 1896-6-8 Humboldt near Pilot Ridge; ; Mad River near Deer Creek, Humboldt Co. Comment
  HSC56133  Mimulus moschatus G. L. Clifton, Griswold 1979-8-1 11951 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  BLMAR687  Mimulus moschatus Jennifer Wheeler 2012-8-30 687 Humboldt Lacks Creek, Beaver Ridge Pond 914 Comment
  HSC44775  Mimulus moschatus Thomas W. Nelson, Jane Nelson 1977-7-4 3606 Humboldt Along road north from Alder Springs 1524 Comment
  POM273194  Mimulus moschatus var. sessilifolius Lyman Benson 1929-7-19 1873 Humboldt Mouth of Matole River. Comment
  HSC40019  Mimulus nanus var. nanus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2911 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  UC582596  Mimulus nanus var. nanus Joseph P. Tracy 1937-7-29 15570 Humboldt halfway between Cold Springs and Blake Lookout; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC82387  Mimulus primuloides var. primuloides Thomas W. Nelson 1979-7-11 5011 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC71675  Minuartia douglasii M. A. Baker 1980-6-26 2392 Humboldt Near Sims Creek 610 Comment
  HSC73758  Minuartia douglasii Gail Newton 1980-7-11 1335 Humboldt Near Red Mtn. 1341 Comment
  CAS-BOT-BC388620  Minuartia douglasii Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. Trail 914 Comment
  HSC4059  Minuartia douglasii D. E. Anderson 1962-7-14 2262 Humboldt Comment
  RSA12523  Minuartia douglasii C. B. Wolf 1934-7-3 5913 Humboldt 21 miles from Orick on road to Weitchpec Road. Comment
  HSC36641  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1899 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC24390  Mitella diversifolia J. O. Sawyer 1970-6-24 2252 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  UC11410  Mitella diversifolia J. Burtt Davy 1899-6-23 5753 Humboldt about half way to summit; North Coast Ranges, Trinity Summit Comment
  HSC20238  Mitella ovalis D. E. Anderson 1964-2-23 2903 Humboldt 7 mi. E of Carlotta along Hwy. 36; above Van Duzen River Comment
  UC673055  Modiola caroliniana Joseph P. Tracy 1940-10-18 16777 Humboldt Trididad 3 Comment
  HSC58246  Moehringia macrophylla G. L. Clifton, Griswold 1979-8-2 12424 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS51151  Moehringia macrophylla Lincoln Constance 1934-6-19 908 Humboldt Grasshopper Peak, near summit; Bull Creek Region, South Fork Eel River 914 Comment
  HSC75492  Monardella glauca J. O. Sawyer 1980-7-18 3634 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC45434  Monardella odoratissima subsp. odoratissima Thomas W. Nelson, Jane P. Nelson 1978-7-2 4398 Humboldt Along FS 2S08 near Pine Mountain 1463 Comment
  CAS-BOT-BC215567  Monardella odoratissima subsp. pallida Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit Orleans Mt. 1828 Comment
  CAS-BOT-BC215569  Monardella odoratissima subsp. pallida Doris K. Kildale 1925-8-18 1229 Humboldt Trinity Summit 1828 Comment
  CAS-BOT-BC215570  Monardella odoratissima subsp. pallida Carl B. Wolf 1937-8-13 9269 Humboldt 12 mi. E. of Hoopa Valley on new road towards Trinity Summit, North Coast Range 1676 Comment
  HSC97456  Monardella odoratissima subsp. pallida Cara Witte 2007-6-12 240 Humboldt Horse Mountain Botanical Area. Near mine area. Forest Service Road 6N38. 1360 Comment
  SEINET892716  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-1 5848 Humboldt Along Eel River & Redwood Highway, 1.2 miles south of F.K. Lane Grove 60 Comment
  HSC100506  Monardella villosa Carl C. Marshall Jun 1886 276 Humboldt Hoopa. Comment
  HSC14282  Monardella villosa Paul Shields Jul 1955 Humboldt 3 mi. S of Myers Flat Comment
  UC2035935  Monardella villosa subsp. villosa C. Epling, Wm. Robison 1935-7-24 Humboldt Dyerville Comment
  CAS-BOT-BC444804  Montia diffusa Harley P. Chandler 1901-5-1 1271 Humboldt North Coast Ranges. Redwood Belt 152 Comment
  UC673011  Montia diffusa Joseph P. Tracy 1930-8-24 9165 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC444801  Montia diffusa Lincoln Constance; Alan A. Beetle; Joseph P. Tracy 1940-5-17 2615 Humboldt Above Van Duzen River, 1 mile below Dinsmore's. 762 Comment
  JEPS30736  Montia diffusa L. Constance and Alan A. Beetle with J. P. Tracy 1940-5-17 2615 Humboldt 1 mi below Dinsmore's (above Van Duzen River) 762 Comment
  HSC97935  Montia linearis Cara Witte 2007-5-21 63 Humboldt White Oak Opening. 1257 Comment
  HSC64307  Montia parvifolia Steve Selva 1973-5-26 6851 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC73730  Muhlenbergia filiformis M. A. Baker 1980-7-22 3093 Humboldt Near Grogan Hole. 1676 Comment
  SEINET200834 Image available Muhlenbergia filiformis Doris Kildale Humboldt Trinity Summit. 1524 Comment
  UC1103784  Muhlenbergia filiformis Joseph P. Tracy 1931-9-7 9656 Humboldt on sand bar along river Northern Coast Ranges, Trinity River Valley, Willow Creek 152 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
  JEPS70788  Myosotis discolor Joseph P. Tracy 1936-5-17 14809 Humboldt Lawrence Creek at crossing of Kneeland Rd.; Lawrence Creek 457 Comment
  HSC77866  Myosurus minimus Rudy Becking 1982-11-13 Humboldt N Spit of Samoa Peninsula, near USCG Station Comment
  POM232029  Myrica californica I. L. Wiggins 1930-7-11 4682 Humboldt Near Samoa Comment
  HSC77911  Myriophyllum spicatum Randy Nyman 1978-10-22 Humboldt Fish Lake 549 Comment
  CAS-BOT-BC515985  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt South Fork Mountain, at McKay Camp 1676 Comment
  RSA10034  Nassella lepida Joseph P. Tracy 1933-5-20 12247 Humboldt Mattole Valley, near Petrolia 152 Comment
  UC1222721  Navarretia intertexta Joseph P. Tracy 1950-6-23 18860 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  UC23649  Navarretia intertexta Harley P. Chandler Jun 1901 1411 Humboldt Klamath River North Coast Ranges 243 Comment
  UC907815  Navarretia leucocephala subsp. minima Joseph P. Tracy 1928-6-24 8476 Humboldt between Middle and North Yager Creeks (East Ranch) 762 Comment
  UC906677  Navarretia squarrosa Joseph P. Tracy 1942-7-18 17282 Humboldt Garberville 152 Comment
  UC203962  Navarretia viscidula Joseph P. Tracy 1918-7-5 5036 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  HSC45622  Nemophila menziesii Diane L. Reed 1978-4-22 28 Humboldt Tish Tang Campground, 5 miles north of Willow Creek on State Hwy. 96. Comment
  JEPS1883  Nemophila menziesii var. atomaria Joseph P. Tracy 1932-5-10 9928 Humboldt Bear River Ridge , Bear River Ridge (Northern Coast Ranges) 609 Comment
  SBBG6129  Nemophila menziesii var. atomaria H. and M. Dearing 1939-4-24 3424 Humboldt near Dyerville Comment
  HSC39198  Nemophila menziesii var. atomaria D. E. Anderson, J. P. Smith 1971-7-6 - 1326 Humboldt 1.0 mi. W of Pine Ridge Summit, 6 mi. E of junction with Redwood Valley Rd. Comment
  UC1239752  Nemophila menziesii var. atomaria Joseph P. Tracy 1923-4-1 6174 Humboldt 3 mi e Blue Lake (Mankin Place); e of Blue Lake, Mankin Place 274 Comment
  HSC10922  Nemophila parviflora Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  HSC73127  Nemophila parviflora M. A. Baker 1980-5-18 1284 Humboldt Near Black Mtn. 1006 Comment
  HSC97499  Nemophila parviflora var. austiniae C. Witte 2007-5-21 50 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  UC198657  Nemophila pedunculata Joseph P. Tracy 1917-4-29 4779 Humboldt Eureka Northern Coast Ranges, at Eureka 0 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
  HSC22510  Notholithocarpus densiflorus var. densiflorus D. E. Anderson 1963-9-1 2805 Humboldt Near Kneeland 732 Comment
  UCD124038  Nuttallanthus texanus Linda M. Barker 1976-6-1 1550 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC18701  Oemleria cerasiformis J. L. Baker 1965-3-13 13 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  HSC26343  Oemleria cerasiformis Thomas W. Nelson 1971-4-4 371 Humboldt Beside Hwy. 36 at Dinsmore Comment
  UC1222314  Oemleria cerasiformis Joseph P. Tracy 1951-6-21 19514 Humboldt opposite Willow Creek; Trinity Valley Comment
  UC1222755  Oenanthe sarmentosa Joseph P. Tracy 1950-9-2 19348 Humboldt 2 mi. s. of town Field's Landing (edges of foothills) 6 Comment
  UCD127738  Oenanthe sarmentosa Linda M. Barker 1976-8-24 1686 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC171604  Oenothera wolfii Carl B. Wolf 1937-9-9 9307 Humboldt Coast, 2 mi. so. of Cape Mendocino 6 Comment
  CHSC70156  Oenothera wolfii David K. Imper 1987-7-26 Humboldt 2 mi. south of Cape Mendocino, next to Hwy 1, south side of Point called or near to Devils Gate. Along road. 4 Comment
  UC249847  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1924-7-4 6708 Humboldt Snow Camp Northern Coast Ranges 1371 Comment
  UC494163  Orobanche californica subsp. californica H. E. and S. T. Parks 1930-9-14 782 Humboldt Shore of Big Lagoon. Comment
  JEPS10821  Orobanche fasciculata Lincoln Constance 1934-5-29 741 Humboldt Bull Creek Region. South Fork Eel River. Upper Look Prairie, just above Lookout Point. Comment
  UC1197451  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1922-4-30 6001 Humboldt Trinity River Valley, near Willow Creek. Comment
  UC1197574  Orthilia secunda Joseph P. Tracy 1932-7-16 10621 Humboldt Trinity Summit bear Corral Prairie 1584 Comment
  CAS-BOT-BC6997  Orthocarpus castillejoides var. humboldtiensis Philip Alexander Munz 1925-6-20 9890 Humboldt Eureka Comment
  RSA246669  Orthocarpus purpurascens var. latifolius Robert F. Thorne, Percy C. Everett 1965-8-7 35219 Humboldt Samoa Peninsula. 3 Comment
  HSC96256  Osmorhiza berteroi Kaylea Eickhoff, Cara M. Witte 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  JEPS14168  Osmorhiza berteroi Lincoln Constance 1934-5-26 649 Humboldt near Founder's Tree; South Fork Eel River, Bull Creek Region, North Dyerville, Fl 48 Comment
  HSC56091  Osmorhiza occidentalis G. L. Clifton, Terry Griswold 1979-7-31 11784 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  SEINET3347445 Image available Oxalis corniculata Joseph P. Tracy 1912-6-9 3682 Humboldt Alton 30 Comment
  SBBG67545  Oxalis oregana L. Rowntree 1931-7-24 Humboldt Carlotta Comment
  SEINET12184454  Oxalis oregana E. A. York 1990-1-10 2664 Humboldt USGS Redwood Field Station, Arcata Comment
  UC1197420  Oxalis oregana Joseph P. Tracy 1926-4-25 7413 Humboldt Strong's Station Northern Coast Ranges 60 Comment
  SEINET12011449  Paeonia californica E. A. York 1990-1-10 2704 Humboldt USGS Redwood Field Station, Arcata Comment
  UC1145222  Panicum acuminatum var. acuminatum Joseph P. Tracy 1937-8-7 15621 Humboldt e Korbel (hilltops on Russ Ranch); Bald Mountain, Russ Ranch 914 Comment
  HSC10485  Panicum acuminatum var. fasciculatum D. E. Anderson 1963-9-29 2852 Humboldt Fish Lake. Comment
  UC1145036  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  UC582563  Parentucellia viscosa Joseph P. Tracy 1937-7-17 15433 Humboldt Eureka 30 Comment
  HSC90262  Parentucellia viscosa Jean Hanson 1980-5-24 75 Humboldt Indian (Gunther) Island in Humboldt Bay, city of Eureka, W end of island, S of dike Comment
  UC526851  Paspalum distichum Joseph P. Tracy 1934-8-14 13581 Humboldt South Fork of Eel River, 1 mi above its mouth 60 Comment
  UC552749  Paspalum distichum Joseph P. Tracy 1934-7-30 13498 Humboldt on coast near Stone Lagoon (Dry Lagoon); North Coast Ranges, near Stone Lagoon, Dry Lagoon 3 Comment
  HSC54592  Paxistima myrsinites Overton, Butler 1979-7-24 9660 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1222231  Pectocarya pusilla Joseph P. Tracy 1948-5-31 18003 Humboldt ca 1/2 mi w Harris (up hill toward Spruce Grove) 762 Comment
  CHSC3181  Pedicularis groenlandica Robert D. Briggs 1966-5-8 R- 187 Humboldt 1/4 mile south of Summit- 18 miles west of Willow Creek, on State 299. Comment
  SEINET11723019  Pellaea andromedifolia E. A. York 1990-1-10 2701 Humboldt USGS Redwood Field Station, Arcata Comment
  UC1314350  Pellaea andromedifolia R. M. and A. F. Tryon 1958-6-5 5556 Humboldt 3.8 mi w Redway (on rd to Briceland) Comment
  UCD137559  Pellaea andromedifolia Lincoln Constance 1934-6-4 813 Humboldt Bull Creek Region, South Fork Eel River. Comment
  JEPS19083  Pellaea brachyptera Joseph P. Tracy 1937-7-24 15516 Humboldt Devil's Hole Trinity Summit 1676 Comment
  CAS-BOT-BC67624  Pellaea mucronata Joseph P. Tracy 1933-6-13 12561 Humboldt Hoopa Mountain - near summit on road west from Hoopa to Bair's. 1066 Comment
  UCR209002  Pellaea mucronata Thomas W. Nelson, James Nelson 1976-5-30 2612 Humboldt North Coast Range, McKeowan Ranch north of Dinsmore Comment
  HSC48023  Penstemon anguineus Brad Klipfel 1973-7-31 259 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55728  Penstemon anguineus G. L. Clifton, Terry Griswold 1979-7-26 10200 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  HSC56009  Penstemon anguineus Gilbert Muth 1979-7-31 11491 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC56186  Penstemon anguineus Gilbert Muth 1979-8-1 12118 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC1245390  Penstemon anguineus Joseph T. Gregory 1935-7-23 722 Humboldt lower end of Brett Hole Trinity Summit, lower end of Brett Hole 1584 Comment
  JEPS26253  Penstemon anguineus Joseph P. Tracy 1940-7-7 16671 Humboldt Grouse Mt. 1524 Comment
  UC169083  Penstemon deustus Harley P. Chandler June, 1901 1459 Humboldt Bluff Creek North Coast Ranges, , Bluff Creek (Klamath River) 426 Comment
  HSC55991  Penstemon procerus var. brachyanthus Walter Overton, Marvin Butler 1979-7-31 11417 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC32679  Penstemon purpusii Thomas W. Nelson 1973-7-10 1029 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  HSC39986  Pentagramma triangularis Linda M. Barker 1976-3-11 1329 Humboldt 3 mi. W of Arcata Comment
  SD112992  Perideridia howellii Darley F. Howe 1961-8-2 3125 Humboldt 24 miles east of Orick on Bald Mt. road. 915 Comment
  HSC75289  Perideridia kelloggii J. O. Sawyer, M. A. Ericksen 1980-8-18 4061 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  UC1389970  Perideridia kelloggii T. I. Chuang and B. G. Briggs 1963-4-10 5088 Humboldt 4 mi e Myers Flat Comment
  HSC98872  Perideridia oregana Cara Witte 2007-7-5 421 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1578 Comment
  CAS-BOT-BC413713  Persicaria hydropiper Malcom A. Nobs; S. Galen Smith 1949-8-11 1336 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  CAS-BOT-BC419192  Persicaria maculosa L. R. Abrams 1918-6-16 7193 Humboldt Willow Creek Comment
  CDA8459  Petasites frigidus var. palmatus E. C. Whitney 1964-4-1 Humboldt Kneeland. 0 Comment
  UC581691  Petasites frigidus var. palmatus Joseph P. Tracy 1933-3-26 10944 Humboldt Big Lagoon 3 Comment
  UCD134922  Petasites frigidus var. palmatus K. Esau 1934-4-1 s.n. Humboldt Above Fort Seward. Comment
  POM160824  Petasites palmatus Joseph P. Tracy 1926-2-28 7377 Humboldt Trinity River Valley, near the S Fork. 183 Comment
  HSC42200  Phacelia bolanderi Ed Cope 1977-4-23 22 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  SD90173  Phacelia bolanderi Benjamin C. Stone 1952-6-25 124 Humboldt Hwy 101, 15 mi south of Klamath 14 Comment
  HSC103089  Phacelia corymbosa Sydney Carothers 2014-6-22 4 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  UC820491  Phalaris californica John Thomas Howell 1937-7-31 13718 Humboldt between Redwood Creek and Korbel; btw Redwood Creek and Korbel Comment
  UC1152048  Phalaris minor Joseph P. Tracy 1951-6-21 19519 Humboldt Hydesville Comment
  SBBG2732  Philadelphus lewisii H. and M. Dearing 1939-6-23 3693 Humboldt 30 mi E of Arcata Comment
  UC492217  Philadelphus lewisii Joseph P. Tracy 1929-7-27 8646 Humboldt Fieldbrook Northern Coast Ranges 60 Comment
  HSC23102  Phleum pratense Norman Dennis 1965-6-19 131 Humboldt 0.25 mi S and 1.0 mi. E of junction of Barry Ridge Rd. and Eureka-Bridgeville county rd., along Ashfield Ridge Rd., 5 mi. SE of Kneeland 793 Comment
  JEPS69923  Phlox adsurgens W. L. Jepson 1902-7-15 2028 Humboldt Mud Spring to Trinity Summit 1524 Comment
  HSC17184  Phlox adsurgens Milo S. Baker Humboldt 15 mi. E of Hoopa at end of Forest Rd. 1372 Comment
  POM301286  Phlox adsurgens Joseph P. Tracy 1942-6-23 17233 Humboldt Trinity Summit, near Box Camp 1524 Comment
  HSC100598  Phlox gracilis Carl C. Marshall Apr 1887 373 Humboldt Hoopa Valley. Comment
  UC1198563  Phlox gracilis J. P. Tracy 1902-6-3 1674 Humboldt near Hubbards's Station (on the Harris-Fruitland Ridge, se part of Humboldt Co.); Harris-Fruitland Ridge 609 Comment
  CAS-BOT-BC451997  Phyllospadix scouleri Robert F. Thorne 1957-9-3 19016 Humboldt At Abalone Point, Patrick's Point State Park Comment
  JEPS46729  Picea sitchensis J. P. Tracy Feb. 1901 Humboldt Humboldt Bay Comment
  CAS-BOT-BC73290  Pinus contorta Ira L. Wiggins 1930-6-25 4620 Humboldt Sand dunes 2 miles north of Samoa. Comment
  CAS-BOT-BC78373  Pinus contorta H. E. Parks 1931-5-1 s.n. Humboldt Samoa, Pine Barrens Comment
  SD117462  Pinus contorta subsp. bolanderi Robert F. Thorne 1974-7-29 45083 Humboldt Samoa Dunes Comment
  UC72494  Pinus contorta subsp. contorta H. P. Chandler 1905-5-5 Humboldt Eureka Comment
  RSA286309  Pinus contorta var. contorta Robert F. Thorne 1974-7-29 45083 Humboldt Somoa Dunes. Comment
  UC502909  Pinus lambertiana Joseph P. Tracy 8961 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC44345  Pinus monticola Brad Klipfel 1975-6-17 691 Humboldt Horse Mtn. Comment
  HSC98598  Pinus ponderosa var. ponderosa Cara Witte 2008-7-10 859 Humboldt Along National Forest 1 on Kinsey Ridge. 1/4 mile from Forest Service Road 4N06. 1241 Comment
  JEPS64469  Piperia candida Lincoln Constance 1934-5-27 708 Humboldt s end of Dyerville Bridge (Bull Creek Region, S. Fork Eel River); Bull Creek Region, S. Fork Eel River 45 Comment
  POM208985  Piperia candida Lincoln Constance 1934-5-27 708 Humboldt Humboldt Redwood Park, in Border Forest, bluff above Bull Creek, Flat Grove 61 Comment
  UCD139013  Piperia elegans subsp. elegans Linda M. Barker 1976-7-5 1635 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC1196411  Piperia unalascensis Joseph P. Tracy 1913-6-26 4346 Humboldt opposite Buck Mountain ( Dinesmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1121030  Pityopus californicus R. Stahelin 1933-7-20 Humboldt Korbel Eureka Quad. (yield Plot #16, se of Riverside Plant) Comment
  RSA95501  Pityopus californicus Harry L. Buckalew s.n. Humboldt James Irvine Trail - 2 miles from the ocean; Prairie Creek State Park. Comment
  JEPS60958  Plagiobothrys bracteatus Joseph P. Tracy 1939-4-29 16232 Humboldt Hoopa Valley 106 Comment
  UC667001  Plagiobothrys bracteatus Joseph P. Tracy 1939-4-29 16232 Humboldt Hoopa Valley 106 Comment
  CAS-BOT-BC228213  Plagiobothrys hispidulus Joseph P. Tracy 1935-7-25 14226 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  HSC41225  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1977-6-19 3497 Humboldt Above Alder Springs 1585 Comment
  UC1239612  Plagiobothrys reticulatus Joseph P. Tracy 1935-5-25 13884 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  UC184998  Plagiobothrys reticulatus Joseph P. Tracy 1904-7-4 2111 Humboldt at Eureka; Northern Coast Region, Eureka 0 Comment
  UC1222209  Plagiobothrys reticulatus Joseph P. Tracy 1942-6-28 17270 Humboldt roadside near Murphy Meadows (Bald Mountain (e of Korbel)); Bald Mountain Comment
  JEPS60988  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1932-5-10 9962 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 30 Comment
  JEPS61000  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1935-6-2 13923 Humboldt Big Lagoon 3 Comment
  JEPS60976  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1914-5-30 4486 Humboldt Hydesville 60 Comment
  UC1196130  Plantago elongata Joseph P. Tracy with Dr. F. W. Pennell 1940-7-6 16660 Humboldt w of Table Bluff 6 Comment
  UC153942  Plantago erecta Joseph P. Tracy 1905-4-30 2171 Humboldt Samoa North Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC12426  Plantago lanceolata Gary J. Stebbins 1970-5-10 76 Humboldt Along Fickle Hill Rd., 2.4 mi. E of Arcata Comment
  RSA245522  Plantago lanceolata Larry E. DeBuhr 1973-4-23 988 Humboldt Richardson Grove Redwood State Park. Comment
  UCD124621  Plantago maritima P. B. Kennedy 1928-7-15 s.n. Humboldt Sea Cliffe, near Trinidad. Comment
  HSC74729  Platanthera dilatata Gail Newton 1981-7-24 2322 Humboldt Near Bug Creek Butte 1417 Comment
  HSC74221  Platanthera dilatata var. leucostachys M. A. Baker 1980-7-22 3121 Humboldt Near Grogan Hole. 1676 Comment
  HSC96482  Platanthera dilatata var. leucostachys Gordon Leppig 1997-6-19 443 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  CAS-BOT-BC91638  Platystemon californicus J. Ed. McClellan; Bonnie McClellan 1972-6-1 s.n. Humboldt Samoa. Comment
  CAS-BOT-BC91639  Platystemon californicus Tom Craig 1941-6-29 s.n. Humboldt Samoa, near Eureka. Comment
  HSC16796  Platystemon californicus S. J. Hawks 1965-3-9 45 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  JEPS51579  Platystemon californicus W. L. Jepson 1902-6-20 1902 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC176997  Plectritis brachystemon Joseph P. Tracy 1912-6-9 3656 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  UC1239582  Plectritis congesta Joseph P. Tracy 1914-6-14 4504 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  HSC104444  Plectritis congesta subsp. brachystemon Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 27 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC100117  Pleuricospora fimbriolata Rudolf W. Becking 1972-6-30 720608 Humboldt Fish Lake area, Orleans 762 Comment
  HSC63844  Pleuricospora fimbriolata M. A. Baker 1979-6-29 953 Humboldt 900 Comment
  UC1103793  Poa annua Joseph P. Tracy 1914-8-23 4588 Humboldt region about Humboldt Bay (forks of Elk River); Northern Coast Region 0 Comment
  UC1145113  Poa annua Joseph P. Tracy 1937-5-17 15294 Humboldt Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC254714  Poa bolanderi Joseph P. Tracy 1930-7-16 8902 Humboldt South Fork Mountain: near McKay Camp 1676 Comment
  HSC10704  Poa douglasii R. H. Berg 1963-5-8 67 Humboldt On sand dunes near Lanphere's, Arcata. Comment
  UC569487  Poa douglasii H. S. Yates 1936-6-18 5726 Humboldt near mouth Little River; Eureka Quadrangle 4 Comment
  UC60806  Poa howellii Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5359 B Humboldt near Harris Harris Comment
  POM126109  Poa kelloggii Joseph P. Tracy 1906-5-20 2463 Humboldt Near Eureka; Region about Humboldt Bay 0 Comment
  SEINET200574 Image available Poa kelloggii Joseph P. Tracy 1911-6-4 3219 Humboldt Along Little River, 5 miles from the coast. 122 Comment
  RSA95498  Poa kelloggii L. S. Rose 1954-4-25 54013 Humboldt Bull Creek Flat 46 Comment
  RSA54930  Poa macrantha W. A. Silveus 1938-7-10 6912 Humboldt North of Eureka Comment
  HSC70247  Poa pratensis M. A. Baker 1980-6-8 1916 Humboldt Near Buck Flat. 1554 Comment
  UC60226  Poa pratensis subsp. pratensis Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5432 Humboldt near Hubbards Comment
  HSC102191  Poa secunda subsp. secunda M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1105 Humboldt Andy's Camp 1564 Comment
  UC33742  Poa secunda subsp. secunda Joseph Burtt Davy and Walter C. Blasdale 1899-6-23 5862 Humboldt Trinity Summit Comment
  UCD90874  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5658 Humboldt Hoopa Summit. Comment
  UCD91732  Poa secunda subsp. secunda Al Murphy 1947-8-1 s.n. Humboldt Horse Mt. Comment
  CDA2358  Poa trivialis E. C. Whitney 1969-6-2 Humboldt Babe Millsap property, Pepperwood. 0 Comment
  RSA129470  Poa trivialis H. S. Yates 1936-6-16 5683 Humboldt Near Bayside 9 Comment
  CAS-BOT-BC244205  Poa unilateralis Joseph P. Tracy 1927-6-8 8113 Humboldt Trinidad. Bluffs facing ocean Comment
  CAS-BOT-BC244206  Poa unilateralis Joseph P. Tracy 1927-6-8 8113 Humboldt Trinidad. Bluffs facing ocean Comment
  UC1103182  Poa unilateralis Joseph P. Tracy 1904-5-1 2050 Humboldt bluff near Bucksfort; Northern Coast Ranges, Humboldt Bay 0 Comment
  UC1191118  Polemonium carneum Joseph P. Tracy 1928-5-20 8440 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  JEPS43010  Polygala californica Lincoln Constance 1934-5-23 608 Humboldt se slope of mountain above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  UC1198993  Polygala californica Joseph P. Tracy 1913-7-20 4377 Humboldt on Redwood Creek near Berry's; Northern Coast Ranges, Redwood Creek 304 Comment
  UC570808  Polygala cornuta var. cornuta H. L. Mason 1932-7-21 7110 Humboldt on road from Arcata to Weaverville; east slope of Southfork Mountains Comment
  RSA506995  Polygonum amphibium var. emersum H. E. Parks 1934-08 5165 Humboldt Hulmboldt County: Big Lagoon, Host of rust Comment
  HSC12351  Polygonum aviculare Steve Dorei 1970-10-31 141 Humboldt Scotia Bluffs, N of railroad tracks Comment
  UC672973  Polygonum aviculare subsp. depressum Joseph P. Tracy 1940-10-18 16778 Humboldt Trinidad 9 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
  UC1198092  Polygonum californicum Joseph P. Tracy 1929-8-18 8657 Humboldt opposite Buck Mountain; Van Duzen River, Dinsmore's 762 Comment
  JEPS51269  Polygonum douglasii Chesnut and Drew 1888-7-28 Humboldt Grouse Creek 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
  BLMAR616  Polygonum paronychia Jennifer Wheeler 2011-5-20 616 Humboldt King range, Below Strawberry Rock along Mattole dunes 7 Comment
  CAS-BOT-BC109187  Polygonum paronychia D. E. Breedlove 1962-6-7 3035 Humboldt 1.5 mile south of Samoa on peninsula on western side of Humboldt Bay. Comment
  HSC17519  Polygonum paronychia D. B. Bader 1963-3-1 19 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  UC55514  Polygonum paronychia Harley P. Chandler May, 1901 1157 Humboldt Samoa North Coast Ranges, Humboldt Bay (sandhills) 3 Comment
  UC672942  Polygonum parryi Joseph P. Tracy 1930-7-6 8855 Humboldt Valley of South Yager Creek 762 Comment
  UC55512  Polygonum persicaria Mrs. M. H. Manning 1900-1 Humboldt Hoopa Comment
  CDA2923  Polygonum polystachyum Thomas W. Nelson, M. Alcasas 1978-10-1 4555 Humboldt Highway 101 right-of-way just north of Humboldt State University exit. 0 Comment
  UC1225799  Polygonum sachalinense Joseph P. Tracy 1946-8-25 17634 Humboldt 1/2 mi s mouth of Elk River 6 Comment
  HSC98684  Polygonum sawatchense subsp. sawatchense Cara Witte 2007-6-20 312 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  CAS-BOT-BC421008  Polygonum spergulariiforme H. E. Parks; J. P. Tracy 1930-9-15 0767 Humboldt Bald Hills, Kneeland. Comment
  HSC63228  Polypodium californicum M. A. Baker 1978-5-6 468 Humboldt Weitchpec Comment
  HSC1102  Polypodium californicum Francis Winter 1960-4-24 Humboldt 1.0 mi. N of Redwood Creek Ranch 396 Comment
  HSC77391  Polypodium californicum L. P. Janeway 1983-4-16 232 Humboldt Near old hwy. 299 on W side of Berry Summit 823 Comment
  CAS-BOT-BC76840  Polypodium glycyrrhiza Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SEINET182509 Image available Polypodium glycyrrhiza H. E. Parks 1924-6-1 2837 Humboldt Lawrence Creek Comment
  UC275412  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  UCD136882  Polypodium glycyrrhiza M. Wiesendanger 1928-4-7 902 Humboldt Redwood Highway, Lane's Redwood Flat, probably the Franklin K. Lane Grove. Comment
  RSA136736  Polypodium glycyrrhiza I. L. Wiggins 1957-6-20 14134 Humboldt East side of highway, Trinidad Comment
  UC1189555  Polypodium glycyrrhiza Rolla M. and Alice F. Tryon 1961-11-22 5560 Humboldt nw of Weott; s fork Eel River Comment
  POM232318  Polypodium scouleri I. L. Wiggins 1930-7-11 4686 Humboldt Near Samoa Comment
  UC370621  Polypodium scouleri H. E. Parks June 1925 3232 Humboldt Orick Comment
  UCD136910  Polypodium scouleri Linda M. Barker 1976-3-11 1327 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  CAS-BOT-BC233075  Polypogon interruptus Henry M. Pollard 1946-8-10 s.n. Humboldt Roadside, S of Klamath River and E of Perch Creek, Orleans region Comment
  CAS-BOT-BC233076  Polypogon interruptus Doris K. Kildale 1929-5-26 9128 Humboldt Klamath River at Orleans 152 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
  LA10109  Polypogon interruptus H. S. Yates; 1936-6-16 5678 Humboldt 1 mi. NE of Samoa 3 Comment
  UC34073  Polypogon monspeliensis J. P. Tracy 1901-7-24 1217 Humboldt immediate vicinity Eureka 0 Comment
  UC1440055  Polystichum Danin & H. G. Baker 1960-9-2 663 Humboldt Bull Creek-Honeydew Rd. Comment
  HSC1156  Polystichum imbricans D. E. Anderson 1963-9-21 2832 Humboldt 0.5 mi. E of Willow Creek Comment
  HSC48478  Polystichum imbricans Brad Klipfel 1974-9-17 578 Humboldt Along ridge N of Horse Mtn. Comment
  CAS-BOT-BC76763  Polystichum imbricans subsp. imbricans L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road. Comment
  UC519314  Polystichum imbricans subsp. imbricans Joseph P. Tracy 1933-6-13 12596 Humboldt near summit on rd w from Hoopa to Bair's Hoopa Mt.; Northern Coast Ranges 1066 Comment
  UC338401  Polystichum imbricans subsp. imbricans unknown 1904-7-13 Humboldt along stage rd Comment
  HSC54652  Polystichum munitum Overton, Butler 1979-7-25 9860 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC922660  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-3 5574 Humboldt above Trinity River Rd Hoopa Reservation Comment
  CAS-BOT-BC410007  Populus X parryi Joseph P. Tracy 1932-5-1 9895 Humboldt Vicinity of Garberville 121 Comment
  CAS-BOT-BC102906  Populus trichocarpa H. E. McMinn 1922-8-5 351 Humboldt Along the Van Dusen River Comment
  RSA152546  Potamogeton foliosus Joseph P. Tracy 1927-8-7 8308 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  POM343769  Potamogeton pusillus S. K. Harris 1938-9-12 808 Humboldt Shallow backwater of Eel River, near Fernbridge Comment
  HSC38918  Potentilla anserina subsp. pacifica Linda M. Barker 1976-6-1 1556 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  CAS-BOT-BC143081  Potentilla anserina subsp. pacifica Malcom A. Nobs; S. Galen Smith 1949-8-3 1161 Humboldt 1 mile south of Fields Landing, Eel River Valley Comment
  HSC79389  Potentilla anserina subsp. pacifica Kenneth Clark 1980-5-10 652 Humboldt Shelter Cove, western beach of Point Delgada at 10 ft. above high tide Comment
  POM366485  Potentilla anserina var. grandis Glenn A. Gorelick 1967-6-4 s.n. Humboldt Samoa Beach, near Eureka. Marine Sand dunes. Comment
  HSC102177  Potentilla gracilis var. fastigiata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1090 Humboldt Patterson Meadows 1555 Comment
  HSC103987  Prosartes smithii E. R. Fyer 2015-4-29 31 Humboldt Arcata Community Forest 129 Comment
  HSC74736  Prunella vulgaris Gail Newton 1981-7-24 2305 Humboldt Near Chaparral Mtn. 1433 Comment
  HSC26841  Prunella vulgaris Thomas W. Nelson 1971-1-8 321 Humboldt Ferndale next to Co. Fair Grounds Comment
  CAS-BOT-BC158598  Prunus C. Hart Merriam 1921-7-7 s.n. Humboldt Ridge west of the Van Duzen River Comment
  BLMAR465  Prunus emarginata Jennifer Anthony-Wheeler 2004-11-8 465 Humboldt Titlow Hill, growing along Titlow Hill road off Hwy 299 914 Comment
  POM161041  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit 1829 Comment
  UC1198777  Prunus emarginata Joseph P. Tracy 1924-9-7 6860 Humboldt near Fortuna (Northern Coast Ranges); Northern Coast Ranges 60 Comment
  UC1713769  Prunus emarginata Joseph P. Tracy 1919-9-24 5296 Humboldt Trinity Summit; Northern Coast Ranges, Trinity Summit 1828 Comment
  UC1193111  Pseudotsuga menziesii P. Zinke 1950-8-3 145 Humboldt 3 mi s of Harris; Quad. 29D3 914 Comment
  HSC70640  Pseudotsuga menziesii var. menziesii R. York 1980-5-18 593 Humboldt Near Black Mtn. 792 Comment
  UC1198273  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1943-3-14 17407 Humboldt 5 mi e of Carlotta (open flat by old Strong's District School House) 45 Comment
  UC902028  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1949-10-8 18584 Humboldt Trinity River Valley at Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UCD170576  Pseudotsuga menziesii var. menziesii Gordon Leppig 1998-4-7 733 Humboldt Berry Summit on west slope, Rt. 299. 792 Comment
  CAS-BOT-BC361932  Psilocarphus tenellus Alice Eastwood; John Thomas Howell 1937-6-22 4711 Humboldt Near Harris Comment
  UC1223162  Psilocarphus tenellus Joseph P. Tracy 1948-7-26 18075 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC79440  Pteridium aquilinum var. pubescens Kenneth Clark 1980-6-14 675 Humboldt On western slope above Dead Man's Gulch. 152 Comment
  CAS-BOT-BC460505  Pterospora andromedea Doris K. Kildale 1927-7-23 3794 Humboldt Hoaglin Lake, near Lasseck's Peaks 1524 Comment
  SEINET199671  Pteryxia terebinthina var. californica Joseph P. Tracy 1929-4-28 8549 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  CAS-BOT-BC462868  Pyrola asarifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC462872  Pyrola asarifolia J. W. Tilden 1946-6-21 s.n. Humboldt Bluff Creek Comment
  JEPS48537  Pyrola crypta Hilda W. Grinnell 1932-7-19 29 Humboldt McKay Camp, So. Fork Mt. Comment
  CAS-BOT-BC466035  Pyrola picta Milo S. Baker 1947-8-10 11908 Humboldt Near end of Forest Rd from Hoopa toward Trinity Summit 1371 Comment
  UC1197568  Pyrola picta Joseph P. Tracy 1908-7-30 2777 Humboldt Northwest slope pf Buck Mountain 914 Comment
  UC21699  Pyrola picta J. Burtt Davy Jun 1899 5876 B Humboldt North Coast Ranges, Hoopa Mountains Hoopa Mountains; North Coast Ranges, Hoopa Mountains Comment
  UC8128  Quercus X morehus Harley P. Chandler June, 1901 1454 Humboldt Klamath River North Coast Ranges 304 Comment
  CAS-BOT-BC105167  Quercus kelloggii Doris K. Kildale 1928-4-29 5972 Humboldt Horse Mountain Comment
  CAS-BOT-BC105169  Quercus kelloggii Doris K. Kildale 1930-4-13 9579 Humboldt Bridgeville 289 Comment
  CAS-BOT-BC104665  Quercus wislizeni Doris K. Kildale 1927-3-1 3107 Humboldt Fort Seward 106 Comment
  CAS-BOT-BC379461  Ranunculus alismifolius Volney Rattan 1883-6-1 s.n. Humboldt Landslide ponds northeast of Mad R. Comment
  UC184009  Ranunculus californicus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3612 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC378853  Ranunculus californicus var. californicus Doris K. Kildale 1926-3-21 1585 Humboldt Kneeland Prairie 488 Comment
  POM256479  Ranunculus flammula var. ovalis Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka. 46 Comment
  HSC18155  Ranunculus muricatus S. J. Roberts 1965-4-25 32 Humboldt 0.25 mi. E of Lanphere's bridge across old Mad River channel Comment
  UC162860  Ranunculus occidentalis J. P. Tracy 1900-5-30 826 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC53862  Ranunculus orthorhynchus Griswold, Butler 1979-7-10 6338 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC503047  Ranunculus parviflorus Joseph P. Tracy 1927-5-21 8067 Humboldt Carlotta Northern Coast Ranges (roadside) 60 Comment
  CDA3497  Ranunculus parviflorus E. C. Whitney 1962-5-29 Humboldt Millsap property, Pepperwood. 0 Comment
  POM149011  Ranunculus pusillus Joseph P. Tracy 1903-5-24 s.n. Humboldt At Alder Point on Eel River. 152 Comment
  HSC18111  Ranunculus repens var. repens S. J. Roberts 1965-4-8 9 Humboldt 2 mi. E of Mad River Park Comment
  HSC18178  Ranunculus repens var. repens D. E. Anderson 1961-9-20 1826 Humboldt Along slow stream Comment
  HSC71213  Ranunculus sardous Thomas W. Nelson, Doris K. Niles 1979-5-19 4696 Humboldt Tidal marsh at mouth of Eel River, Crab Park, N of County Park. Comment
  HSC56212  Ranunculus uncinatus G. L. Clifton, Griswold 1979-8-2 12220 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1196262  Ranunculus uncinatus J. P. Tracy 1900-5-30 828 Humboldt Forest Park Eureka 0 Comment
  HSC40639  Ranunculus uncinatus var. parviflorus J. P. Smith 1973-5-26 6858 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC870781  Rhamnus californica S. K. Harris and J. P. Tracy 1936-6-10 3254 Humboldt Tracy's Ranch Willow Creek Comment
  UC165816  Rhamnus californica subsp. californica Joseph P. Tracy 1909-7-31 3037 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC592943  Rhamnus californica subsp. californica Carl B. Wolf 1931-8-31 Humboldt near Mouth of South Fork of Trinity River (on road to Sandy Bar Swimming Hole) 243 Comment
  UC61091  Rhamnus californica subsp. californica Harley P. Chandler Jun 1901 1453 Humboldt Klamath River North Coast Ranges Comment
  UC1197998  Rhamnus crocea Joseph P. Tracy 1921-7-3 5844 Humboldt near mouth of Willow Creek (along Willow Creek, tributary of Trinity River); Trinity River, Willow Creek 152 Comment
  CAS-BOT-BC55967  Rhamnus ilicifolia Volney Rattan 1882-6-1 s.n. Humboldt unspecified Comment
  RSA46720  Rhamnus purshiana Doris K. Kildale 1937-8-20 15337 Humboldt Wood Street, Eureka Comment
  UC177180  Rhamnus purshiana Joseph P. Tracy 1913-6-13 4108 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC76365  Rhododendron macrophyllum Denis Kearns 1981-7-6 66 Humboldt Near Mosquito Lake 1256 Comment
Read comments
Jul 30 2014
  SDSU3417  Rhododendron macrophyllum D. F. Howe 1961-8-2 3120 Humboldt 7.7 miles east of Orick and Bald Mt. road. 610 Comment
  UC1537162  Rhododendron macrophyllum Gordon H. True Jr. 1936-5-12 474 Humboldt near Kneeland Post Office 762 Comment
  UCD67631  Rhododendron macrophyllum D. Sanchez-Mata 1996-6-27 s.n. Humboldt Blue Lake. Mad River. 175 Comment
  HSC41281  Rhododendron occidentale var. paludosum Brad Klipfel 1974-6-25 442 Humboldt Horse Mtn. Comment
  CAS-BOT-BC92521  Ribes binominatum Joseph P. Tracy 1932-7-13 10487 Humboldt Klamath Mountains. Trinity Summit. Near Corral Prairie. 1524 Comment
  HSC37423  Ribes bracteosum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 513 Humboldt Along Lost Man Creek. 38 Comment
  UC630510  Ribes laxiflorum H. E. and S. T. Parks 1937-6-4 24004 Humboldt along Prairie Creek at Valley Green Prairie Creek; Valley Green, Prairie Creek Comment
  CAS-BOT-BC173361  Ribes lobbii Lincoln Constance; Reed C. Rollins 1942-5-11 2864 Humboldt Near summit 8 miles east of Blue Lake Comment
  CAS-BOT-BC173364  Ribes lobbii Joseph P. Tracy 1933-7-16 12783 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  HSC19378  Ribes lobbii J. O. Sawyer 1968-9-27 728 Humboldt Near Waterdog Lakes and N Trinity Mtn. 1768 Comment
  HSC74138  Ribes lobbii M. A. Baker 1980-7-23 3175 Humboldt Near Orleans Mtn. 1859 Comment
  UC11588  Ribes lobbii Harley P. Chandler June 1901 1278 Humboldt Hupa Indian Reservation North Coast Ranges 1097 Comment
  UC1541294  Ribes lobbii W. K. Parks July 1933 Humboldt South Fork Mountain Comment
  UC667056  Ribes lobbii Joseph P. Tracy 1933-7-16 12783 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CSUSB1881  Ribes menziesii Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  JEPS49220  Ribes menziesii Jos. P. Tracy 1921-3-13 5421 Humboldt near Alton (Drake's Hill) 30 Comment
  BLMAR666  Ribes menziesii var. menziesii Jennifer Wheeler 2012-7-12 666 Humboldt King range, Strawberry rock 253 Comment
  JEPS49190  Ribes roezlii Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville Northern Coast Ranges 121 Comment
  UCSB24364  Ribes roezlii Tracy, Joseph 1933-3-5 Humboldt north coast ranges 30 Comment
  CAS-BOT-BC198902  Ribes roezlii var. cruentum Kenneth Clark 1980-3-27 55 Humboldt North fork Dead Man's Gulch, Shelter Cove 82 Comment
  UC902081  Ribes roezlii var. cruentum Joseph P. Tracy 1949-7-19 18378 Humboldt Grouse Mountain 1280 Comment
  UC902113  Ribes roezlii var. cruentum Joseph P. Tracy 1949-8-11 18449 Humboldt e Korbel (at Hungry Hollow); Bald Mountain 762 Comment
  HSC97476  Ribes roezlii var. roezlii Cara Witte 2007-5-23 101 Humboldt Near Grouse Mtn. Along 4N32. Approximately 0.5 mi. S of intersection with 5N04 and 4N32E. 1398 Comment
  CAS-BOT-BC211980  Ribes sanguineum J. H. Thomas 1949-6-13 914 Humboldt Along trail between Le Perron Flat and Whiteys Peak, east of town of Orleans, Six Rivers National Forest 1371 Comment
  RSA0019527  Ribes sanguineum John H. Thomas 1949-6-13 914 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. East of town of Orleans. 1372 Comment
  HSC89543  Ribes sanguineum var. glutinosum M. Roantree 1985-5-7 41 Humboldt SW side of Trinidad Head, along trail Comment
  HSC93267  Ribes sanguineum var. glutinosum Gordon Leppig 1998-3-25 723 Humboldt McKinleyville, Central Ave. 43 Comment
  UC1198912 Image available Ribes sanguineum var. glutinosum Joseph P. Tracy 1912-3-31 3563 Humboldt near mouth Lindsey Creek; Northern Coast Ranges 30 Comment
  UC902090  Ribes sanguineum var. glutinosum Joseph P. Tracy 1948-2-22 17951 Humboldt Table Bluff 91 Comment
  UCR138884  Ribes sanguineum var. glutinosum E. Bower, S. Marubayashi, E. Perry 1997-5-10 52 Humboldt Titlow Hill Road, 0.5 mi past intersection with Hwy 299 762 Comment
  HSC74207  Ribes viscosissimum M. A. Baker 1980-7-19 3026 Humboldt Near Bret Hole. 1814 Comment
  HSC12721  Romanzoffia californica C. E. Fellows 1970-5-1 264 Humboldt 11 mi. W of Willow Creek, S side of Hwy. 299 Comment
  HSC57635  Romanzoffia sitchensis G. L. Clifton, Griswold 1979-7-25 10793 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC552285  Rorippa curvisiliqua Joseph P. Tracy 1934-7-30 13500 Humboldt along coast in front of s end Stone Lagoon (Dry Lagoon); along coast in front of s end Stone Lagoon 3 Comment
  JEPS53849  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC14385  Rorippa nasturtium-aquaticum Chestnut and Drew 1888-7-8 Humboldt Arcata Comment
  UC183576  Rorippa nasturtium-aquaticum Joseph P. Tracy 1912-7-4 3732 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  JEPS47243  Rosa Lincoln Constance 1934-5-26 654 Humboldt S. end of Dyerville Bridge South Fork Eel River, Bull Creek Region (s bank of river) Comment
  CAS-BOT-BC147437  Rosa californica Joseph P. Tracy 1941-6-29 16965 Humboldt Buck Mountain 762 Comment
  UC180209  Rosa eglanteria Joseph P. Tracy 1914-6-14 4508 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC146488  Rosa gymnocarpa L. R. Abrams 1918-6-15 7116 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  HSC39397  Rosa gymnocarpa D. E. Anderson, J. P. Smith 1971-6-28 1251 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC72825  Rosa gymnocarpa M. A. Baker 1980-6-26 2437 Humboldt Near Sims Creek 393 Comment
  HSC99305  Rosa gymnocarpa C. B. Wolf 1927-8-30 1232 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC527562  Rosa gymnocarpa C. B. Wolf 1931-8-30 2376 Humboldt 11 mi above Blue Lake (on Lord Ellis Rd to Willow Creek) 304 Comment
  HSC98852  Rosa gymnocarpa var. serpentina Cara Witte 2008-6-18 748 Humboldt Horse Mountain Botanical Area. Approximately 1 mile east of junction 6N36 and 6N36A. 1394 Comment
  CAS-BOT-BC146828  Rosa nutkana H. E. Parks; S. T. Parks 1937-5-1 5816 Humboldt Spruce Cove, Trinidad 60 Comment
  CAS-BOT-BC146831  Rosa nutkana M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville Comment
  RSA201872  Rosa nutkana Geo. Parrish, G. Parrish 1930-5-21 s.n. Humboldt Trinidad. Comment
  UC12845  Rosa nutkana subsp. macdougalii J. Burtt Davy 1899-6-13 5492 Humboldt along river near Camp Grant; Eel River Comment
  CAS-BOT-BC148221  Rosa spithamea Doris K. Kildale 1930-5-24 9549 Humboldt Trinity River at Hoopa 121 Comment
  CAS-BOT-BC148224  Rosa spithamea Doris K. Kildale; L. B. Kildale 1930-5-24 9549 Humboldt Hoopa Valley 152 Comment
  RSA21585  Rosa spithamea Carl B. Wolf 1937-8-13 9230 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC1199040  Rosa spithamea Joseph P. Tracy 1929-7-4 8620 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  HSC71715  Rubus leucodermis M. A. Baker 1980-6-26 2436 Humboldt Near Sims Creek 610 Comment
  HSC81965  Rubus parviflorus Thomas W. Nelson, Jane P. Nelson 1979-7-3 4944 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  JEPS47713  Rubus parviflorus Mrs. George Parrish 1930-5-21 Humboldt Trinidad Comment
  RSA523867  Rubus parviflorus G. H. True 1936-5-12 473 Humboldt 5 miles S of Kneeland. 457 Comment
  SEINET4093648  Rubus parviflorus O. M. Clark 1932-1 707 Humboldt South Eureka. Comment
  UC1193203  Rubus parviflorus G. W. Tourtillott 1950-8-30 31 Humboldt 1/4 mi e Beale Ranch; Quad. 29C4, e of Beale Ranch 457 Comment
  HSC100638  Rubus spectabilis Carl C. Marshall Apr 1886 165 Humboldt Everywhere in rich soils. Comment
  HSC19685  Rubus spectabilis Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  HSC19688  Rubus spectabilis S. J. Hawks 1965-4-3 16 Humboldt Luffenholtz Beach Comment
  HSC34629  Rubus spectabilis A. M. Montalvo 1975-4-9 203 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  POM271104  Rubus spectabilis Lyman D. Benson 1929-7-15 1812 Humboldt Clam Beach, Trinidad. Comment
  RSA183527  Rubus spectabilis M. L. Stuart 1965-4-25 20 Humboldt About 100 yards up the Fern Lake Road. Comment
  RSA304831  Rubus spectabilis James R. Shevock 1972-3-26 1466 Humboldt Along Hwy 299. 366 Comment
  UC1199045  Rubus spectabilis Joseph P. Tracy 1920-2-29 5311 Humboldt at Eureka Northern Coast Ranges, at Eureka 0 Comment
  CAS-BOT-BC156728  Rubus spectabilis Duart V. Brown 1947-3-27 18 Humboldt Tectah Creek, Klamath River Comment
  BLMAR234  Rubus ursinus Jennifer Anthony-Wheeler 1996-9-26 234 Humboldt King range, growing at base of N bank of S fork bear creekbed 548 Comment
  CAS-BOT-BC158790  Rubus ursinus J. P. Tracy 1902-7-4 1759 Humboldt Immediate vicinity of Eureka 152 Comment
  UC1334749  Rubus ursinus R. S. Woglum 1938-8-28 2041 Humboldt Trinidad Comment
  UCD17847  Rubus ursinus H. Olmo 8-10 May 1962 62- 34 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  SEINET5710904  Rudbeckia occidentalis Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6104 Humboldt From California 299 at Hawkins Bar (In Trinity County), turn onto the road to Denny and travel 1.7 miles down this road toa fork in the road. Take the lefthand road (leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to antoher fork in the road. Take the right fork (away from thr road leading to Waterman Ridge and Willow Creek). On the road (7NO4), travel 1.5 miles to another fork; continue on 7NO4 (the left fork) for 7.4 miles. At this point, take 7 NO4N, the road to Groves Prairie. The collection site is a short distance up the road.; Groves Prairie Comment
  BLMAR184  Rumex acetosella Donald Hazlett 1994-6-7 184 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC102053  Rumex acetosella M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 958 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC17569  Rumex acetosella D. B. Bader 1963-3-1 37 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  HSC55223  Rumex acetosella Walter Overton 1979-8-1 12397 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC70394  Rumex acetosella M. A. Baker 1980-6-7 1847 Humboldt Near Ammon Creek 732 Comment
  HSC37233  Rumex acetosella Lon Hall 1975-6-19 399 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  JEPS39885  Rumex conglomeratus Lincoln Constance 1934-5-27 696 Humboldt s end Dyerville Bridge; South Fork Eel River, Bull Creek Region 45 Comment
  HSC90648  Rumex crispus Gail Newton 1982-6-10 3611 Humboldt Elk River Wildlife Area, Eureka Comment
  UC146143  Rumex crispus Joseph P. Tracy 1908-6 2806 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  SDSU9723  Rumex obtusifolius subsp. agrestis D. F. Howe 1959-8-4 2804 Humboldt 86 miles W of Weaverville on #299. 152 Comment
  UC672922  Rumex salicifolius var. salicifolius Joseph P. Tracy 1932-7-11 10405 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1222604  Rupertia physodes Joseph P. Tracy 1950-6-15 18783 Humboldt 7 mi n Harris; Mail Ridge, Jenk's Ranch Comment
  CAS-BOT-BC454100  Ruppia cirrhosa Robert F. Thorne; P. Everett 1965-8-9 35340 Humboldt Along Hwy. 101 about 3 mi. N of Eureka 1 Comment
  CAS-BOT-BC454158  Ruppia maritima Joseph P. Tracy 1938-7-15 16079 Humboldt Mouth of Eel River 3 Comment
  UC161048  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1905-4-30 2172 Humboldt sand dunes of Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC4507  Salicornia depressa Norman H. Moe 1962-5-19 Humboldt Lanphere's Place, next to Mad River Slough Comment
  CHSC72212  Salicornia virginica Vernon H. Oswald 1998-9-2 9562 Humboldt Humboldt Bay NWR south of Eureka, Hookton Slough Trail on the levee along the south side of Hookton Slough. 0 Comment
  CAS-BOT-BC132668  Salix A. T. Whittemore 1980-3-15 80 -002 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC129885  Salix bonplandiana Mrs. H. P. Bracelin 1931-5-1 272 Humboldt Sylvandale, between Miranda and Meyers, South Fork of Eel River Comment
  CAS-BOT-BC129886  Salix bonplandiana Mrs. H. P. Bracelin 1931-5-1 270 Humboldt Sylvandale, between Miranda and Meyers, South Fork of Eel River Comment
  CAS-BOT-BC129895  Salix bonplandiana Joseph P. Tracy 1933-6-9 12528 Humboldt Along Eel River - Northern Coast Ranges 30 Comment
  CAS-BOT-BC129896  Salix bonplandiana Joseph P. Tracy 1932-4-23 9835 Humboldt South Fork of Eel River, between Miranda and Redway - North Coast Ranges 91 Comment
  CAS-BOT-BC103813  Salix exigua John H. Thomas 1966-3-19 11483 Humboldt Near Westhaven Drive and highway 101, Trinidad 60 Comment
  JEPS12969  Salix exigua Joseph P. Tracy 1931-9-19 9673 Humboldt Alton; Northern Coast Region, Van Duzen River 30 Comment
  POM220144  Salix exigua H. E. Parks, Joseph P. Tracy 1931-5-17 969 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  SD989  Salix exigua var. hindsiana Harold E. Parks, Joseph P. Tracey 1931-5-17 971 Humboldt Mouth of Willow Creek at Trinity River 149 Comment
  SD992  Salix exigua var. hindsiana Herold E. Parks 1931-5-14 958 Humboldt Fernbridge, Eel River, on gravel bars 10 Comment
  UC519381  Salix exigua var. hindsiana Joseph P. Tracy 1933-5-19 12203 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC104112  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01336 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC106850  Salix hookeriana Harold E. Parks 1931-5-12 0954 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107703  Salix hookeriana Harold E. Parks 1931-5-12 952 Humboldt Samoa, Humboldt Bay Comment
  CAS-BOT-BC107735  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107736  Salix hookeriana Harold E. Parks 1931-5-28 1000 Humboldt Little River Lagoon Comment
  CAS-BOT-BC107742  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  UC1173588  Salix hookeriana Joseph P. Tracy 1937-7-27 15508 Humboldt Lindsay Creek Mad River (mouth) 15 Comment
  UC1196546  Salix hookeriana Joseph P. Tracy 1926-3-14 7390 Humboldt Carlotta Northern Coast Ranges, Carlotta 60 Comment
  UC1196630  Salix hookeriana J. P. Tracy 1905-3-26 2151 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1222300  Salix hookeriana Joseph P. Tracy 1950-9-10 19366 Humboldt 1 mi inland from Cape Mendocino (1/2 mi s of town, foothills of Cape Ridge); , Cape Ridge 60 Comment
  UC275497  Salix hookeriana Joseph P. Tracy 1925-4-5 6951 Humboldt near Kneeland Prairie (near Loren Frost place on Kneeland Rd.); Northern Coast Ranges 609 Comment
  UC275525  Salix hookeriana Joseph P. Tracy 1924-9-21 6884 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC495608  Salix hookeriana Joseph P. Tracy 1932-3-13 9777 Humboldt S. Fork Eel R. Miranda; Northern Coast Ranges, S. Fork Eel R. 121 Comment
  UC512105  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1208 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  UC512116  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1201 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  UC518895  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 9 Humboldt Samoa Comment
  UC519325  Salix hookeriana Joseph P. Tracy 1933-10-8 13089 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges 91 Comment
  UCD111037  Salix hookeriana Linda M. Barker 1976-4-13 1383 Humboldt 3 miles west of Arcata. Comment
  POM219699  Salix hookeriana var. tomentosa H. E. Parks 1931-5-12 955 Humboldt Samoa. Humboldt Bay. Near sea level. 0 Comment
  UC470455  Salix jepsonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8928 Humboldt meadow at McKay Camp; Northern Coast Ranges, S. Fork Mt. 1676 Comment
  SJSU262  Salix laevigata Mrs. H. P. Bracelin 1931-4-1 272 Humboldt Sylvandale between Miranda & Meyers, S Fork Eel R Comment
  HSC37876  Salix lasiandra Thomas W. Nelson 1976-3-22 2278 Humboldt S side of the Eureka Muni Golf Course Comment
  UC1196590  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1919-9-14 5205 Humboldt near Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC490526  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9795 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC490539  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-7-13 10497 Humboldt meadow at Corral Prairie Corral Prairie; Klamath Mts., Trinity Summit 1524 Comment
  CAS-BOT-BC125221  Salix lasiandra var. lasiandra Harold E. Parks; Joseph P. Tracy 1931-5-17 0966 Humboldt Mouth of Willow Creek at Trinity River, on banks of Willow Creek 150 Comment
  CAS-BOT-BC125224  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1932-4-10 01101 Humboldt Little River Lagoon, Trinidad, at sea level Comment
  JEPS14790  Salix lasiandra var. lasiandra Joseph P. Tracy 1933-7-16 12772 Humboldt at McKay Camp S. Fork Mt.; Northern Coast Ranges 1676 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-BC107607  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-17 1323 Humboldt On west slpe of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  CAS-BOT-BC107609  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-17 1333 Humboldt In sandy channel of Trinity River, near bridge on Trinity Highway 152 Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  JEPS12946  Salix lasiolepis Joseph P. Tracy 1931-10-3 9707 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  JEPS14769  Salix lasiolepis Joseph P. Tracy 1932-10-8 10867 Humboldt on Trinity Hwy. Berry's Mt. 762 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
  POM161046  Salix lasiolepis Joseph P. Tracy 1926-9-19 7801 Humboldt Valley of S Yager Creek 762 Comment
  POM219356  Salix lasiolepis Joseph P. Tracy 1931-3-31 9327 Humboldt Redwood Creek. At Berry's. 274 Comment
  RSA34303  Salix lasiolepis Doris K. Kildale 1928-3-27 4359 Humboldt [Unspecified] Comment
  UC469431  Salix lasiolepis Joseph P. Tracy 1931-9-27 9690 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel River 15 Comment
  UC471109  Salix lasiolepis Joseph P. Tracy 1931-9-26 9695 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC481181  Salix lasiolepis Harold E. Parks 1931-8-25 1059 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  UC490470  Salix lasiolepis Joseph P. Tracy 1932-9-5 10770 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC490546  Salix lasiolepis Joseph P. Tracy 1932-4-24 9806 Humboldt between Miranda and Redway (S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  UC506403  Salix lasiolepis Joseph P. Tracy 1932-6-4 10127 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC512031  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1328 Humboldt e Redwood Creek (w slope of mt., on Trinity Hwy); Berry's Mountain 762 Comment
  UC519345  Salix lasiolepis Joseph P. Tracy 1933-10-22 13102 Humboldt Lack Pond Trinity River Valley (opposite mouth of Willow Creek) 152 Comment
  CAS-BOT-BC107295  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-12 01247 Humboldt floodplain of Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107420  Salix lasiolepis var. lasiolepis Alice Eastwood 1913-7-3 3416 Humboldt Bear River, McCourtneys Bridge Comment
  RSA171960  Salix lucida subsp. lasiandra Robert F. Thorne 1957-9-2 18988 Humboldt Eel River. Burlington State Park, just S of Weott. Comment
  SBBG22043  Salix lucida subsp. lasiandra R. F. Thorne 1957-9-2 18988 Humboldt Eel River, Burlington State Park, just S of Weott Comment
  CAS-BOT-BC125630  Salix melanopsis Harold E. Parks 1931-5-14 0965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  JEPS12972  Salix melanopsis Joseph P. Tracy 1931-9-7 9644 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  LA208935  Salix melanopsis Harold E. Parks; 1931-5-14 961 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  UC1196569  Salix melanopsis Joseph P. Tracy 1932-5-1 9851 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC1196635  Salix melanopsis Joseph P. Tracy 1932-7-31 10287 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC469460  Salix melanopsis Joseph P. Tracy 1931-10-18 9740 Humboldt on Eel R. Camp Grant; Northern Coast Ranges, Eel R., Camp Grant 60 Comment
  UC490557  Salix melanopsis Joseph P. Tracy 1932-5-10 9961 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC511986  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1242 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC519364  Salix melanopsis Joseph P. Tracy 1933-6-9 12533 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R. 30 Comment
  CAS-BOT-BC129131  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  CAS-BOT-BC129134  Salix scouleriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1219 Humboldt 1 mile north of Samoa, approximately sea level. Comment
  JEPS38417  Salix scouleriana W. L. Jepson 1932-8-1 16466 Humboldt Bull Creek 121 Comment
  POM219539  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge. 150 Comment
  UC1173576  Salix scouleriana Joseph P. Tracy 1936-2-2 14767 Humboldt vicinity of Carlotta 30 Comment
  UC1173623  Salix scouleriana Joseph P. Tracy 1935-3-8 13731 Humboldt alont Trinity Hwy. Willow Creek Canyon 304 Comment
  UC481260  Salix scouleriana Harold E. Parks 1931-5-20 994 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  UC55957  Salix scouleriana J. P. Tracy 1900-8-5 922 Humboldt immediate vicinity Eureka 0 Comment
  HSC96575  Salix sitchensis Gordon Leppig 2003-2-20 1805 Humboldt Eureka Slough, Cooper Gulch 5 Comment
  UC146204  Salix sitchensis Joseph P. Tracy 1904-3-6 2001 Humboldt immediate vicinity of Eureka 0 Comment
  UC481376  Salix sitchensis Harold E. Parks 1931-3-25 903 a Humboldt Van Duzen R. Orick; , Orick 6 Comment
Read comments
Jul 9 2011
  UC492340  Salix sitchensis Harold E. and Susan T. Parks 1932-4-12 1111 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  UC511992  Salix sitchensis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1240 Humboldt floodplain of Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC55407  Salix tracyi Mrs. M. H. Manning 1932-4 Humboldt Hupa Comment
  UC585975  Salpichroa origanifolia Joseph P. Tracy 1933-8-22 12972 Humboldt Eureka; Northern Coast Ranges 0 Comment
  CDA5800  Salpichroa origanifolia J. Sievert 1981-9-24 s.n. Humboldt Elk River Road, 0.1 mile east of junction with Ridgewood Drive behind Wonnacott Kennels, 6101 Elk River Road. 0 Comment
  UC1222585  Salsola tragus Joseph P. Tracy 1950-8-20 19323 Humboldt 8 mi. below Orleans (Klamath R. near Slate Creek, at Big Bar); Klamath R. 121 Comment
  UC154205  Sanguisorba annua Joseph P. Tracy 1908-6 2816 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC37847  Sanicula crassicaulis Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay 1 Comment
  HSC68605  Sanicula crassicaulis Jacqueline Greenleaf 1980-8-5 282 Humboldt Near Dairy Creek. 1158 Comment
  HSC21636  Sanicula crassicaulis D. E. Anderson 1962-5-1 2193 Humboldt 1 mi. E of junction of Redwood Creek road and road to Hoopa Comment
  HSC79372  Sanicula crassicaulis Kenneth Clark 1980-3-27 553 Humboldt Above South Fork Dead Man's Gulch 168 Comment
  HSC65888  Sanicula tracyi R. York 1980-5-23 622 Humboldt Near Buck Mtn. 1524 Comment
  HSC81660  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-7-13 6064 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  JEPS973  Sanicula tuberosa Joseph P. Tracy 1927-6-12 8156 Humboldt Northern Coast Ranges, Horse Mountain Horse Mountain; Northern Coast Ranges, Horse Mountain 1219 Comment
  SEINET3240200  Santalaceae R. L. Mathiasen 2003-1 2003 -51 Humboldt 0.2 km NW of Blake Mountain on for. rd. 02N01 1760 Comment
  HSC32275  Sarcodes sanguinea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5629 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  POM284650  Satureja douglasii Lyman Benson 1929-7-16 s.n. Humboldt Weott Ranger Station. Comment
  HSC45967  Schoenoplectus tabernaemontani J. P. Smith 1973-5-26 6804 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  HSC58816  Scirpus congdonii G. L. Clifton, Griswold 1979-8-1 12072 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC92543  Scoliopus bigelovii S. Morrissette, J. Williams, K. Kopper 1994-3-28 5 Humboldt On Lost Coast Trail, 2.25 mi. S of Bear Harbor Camp in J. Smeaton Chase Grove Comment
Read comments
Mar 9 2013
  SEINET12050517  Scoliopus bigelovii F. H. Utech 1988-1 88 -019 Humboldt along US 101 near junction of Durphy Creek & South Fork Eel River 60 Comment
  SEINET12058060  Scoliopus bigelovii F. H. Utech 1988-3-4 88 -026 Humboldt 12.7 mi E on CA 36 from jct US 101 & Van Duzen River, Grizzly Creek Redwoods, O.R. Cheatam Grove 90 Comment
  UCR122374  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 7011 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  CHSC85574  Scutellaria antirrhinoides L. P. Janeway 2003-7-30 7940 Humboldt High North Coast Ranges. Cold Spring; 0.6 km north of the top of Titlow Hill. 1454 Comment
  UCD125672  Scutellaria antirrhinoides John M. Tucker 1948-9-3 1854 Humboldt On ridge between Horse and Grouse Mountains. 1463 Comment
  CDA41033  Scutellaria siphocampyloides B. F. Kemp 1958-7-5 838 -58 Humboldt Knight Ranch, 4 miles north of Willow Creek. 0 Comment
  HSC79258  Sedum laxum subsp. flavidum D. K. Imper 1983-7-13 Humboldt Six Rivers National Forest, Sims Mtn. next to FS 4N01, 1 1/4 mi. S of Sugarloaf Mtn. 1280 Comment
  JEPS25690  Sedum spathulifolium P. C. Hutchison 1961-5-22 2020 Humboldt 5.4 mi ne of Klamath River bridge at Weitchpec (10 mi sw of Orleans, Hiway US299, w side of Klamath River on steep rocks above road); w side Klamath River, ne Weitchpec, sw Orleans Comment
  UC11264  Sedum spathulifolium C. C. Marshall 1888-1 Humboldt Comment
  SEINET10472835  Senecio Mary Susan Taylor 1982-10-24 Taylor 5185 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  CDA8588  Senecio bolanderi var. bolanderi Gordon Leppig, M. Renner 2005-6-7 2246 Humboldt Pacific Lumber Company land. Redwood House Road, Hely Creek watershed. Comment
  CDA19897  Senecio cineraria P. Haggard 2002-7-1 PDR P 070939 Humboldt Northern California; on Hwy 36 near Carlotta. 0 Comment
  HSC26637  Senecio integerrimus Thomas W. Nelson 1971-5-31 458 Humboldt 915 Comment
  HSC99425  Senecio integerrimus var. exaltatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-1 74 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  CAS-BOT-BC363808  Senecio integerrimus var. exaltatus Doris K. Kildale 1926-4-11 1763 Humboldt McLellan Mountain 822 Comment
  HSC6156  Senecio integerrimus var. major H. E. Parks, J. P. Tracy 1930-5-25 879 Humboldt Laribee Valley 762 Comment
  UC1223048  Senecio integerrimus var. major Joseph P. Tracy 1946-5-19 17537 Humboldt Kneeland Prairie 762 Comment
  HSC6120  Senecio integerrimus var. major D. E. Anderson 1965-5-1 3571 Humboldt Along Bluff Creek road about 2.5 mi. from its junction with Hwy. 96 Comment
  CDA7630  Senecio jacobaea E. C. Whitney 1964-8-12 Humboldt Zuber property, Orick. 0 Comment
  SEINET9305918  Senecio serra Unknown 1948-9-3 1857 Humboldt Near jct of Friday Ridge Rd and Horse Mtn-Grouse Mtn Rd. Growing on the borders of a pond near Clear Lake. Herbarium, Carnegie Museum (CM), Pittsburgh, PA. Comment
  UC1199238  Senecio sylvaticus Harold E. Parks and Joseph P. Tracy 1934-6-27 11034 Humboldt Redwood Creek at Berry's; Redwood Creek at Berry's 274 Comment
  HSC57449  Senecio triangularis G. L. Clifton, Griswold 1979-7-26 10262 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC74001  Senecio triangularis M. A. Baker 1980-7-22 3106 Humboldt Near Grogan Hole. 1676 Comment
  UC180178  Senecio triangularis Joseph P. Tracy 1914-7-4 4539 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  RSA175208  Sequoia sempervirens Robert F. Thorne 1957-9-2 18996 Humboldt Burlington State Park, just S of Weott. Comment
  SEINET5334848  Sequoia sempervirens P. A. Lehenbauer 1857 Humboldt near Eureka Comment
  CAS-BOT-BC243618  Setaria pumila Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  HSC40235  Sherardia arvensis J. P. Smith, J. O. Sawyer 1976-5-2 8618 Humboldt 1.5 mi. N of Willow Creek on Hwy. 96 61 Comment
  HSC102927  Sidalcea M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 885 Humboldt Patterson Meadows 1555 Comment
  UC1198397  Sidalcea diploscypha Joseph P. Tracy 1942-6-15 17166 Humboldt 5 mi n Garberville; n of Garberville 152 Comment
  CAS-BOT-BC205567  Sidalcea malachroides Doris K. Kildale 1926-5-16 1837 Humboldt Horse Mountain cut-off 792 Comment
  UC1224688  Sidalcea malachroides D. E. Anderson 1963-5-26 2502 Humboldt in alluvial gravel beds along s side Jacoby Creek; along s side of Jacoby Creek Comment
  UC668138  Sidalcea malachroides Joseph P. Tracy 1938-6-15 15938 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  CAS-BOT-BC205569  Sidalcea malachroides Volney Rattan 1878-1-1 s.n. Humboldt Redwood Cr. Comment
  SEINET11994388  Sidalcea malachroides F. H. Utech 1986-1 86 -399 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Humboldt County F3C) enroute to Capetown 80 Comment
  HSC35614  Sidalcea malviflora Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  HSC58334  Sidalcea malviflora subsp. asprella Overton, Butler 1979-8-2 12637 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS79985  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1928-6-24 8458 Humboldt between Bridgeville and head Yager (South Yager Creek); Northern Coast Ranges, South Yager Creek 762 Comment
  BLMAR280  Sidalcea malviflora subsp. patula Jennifer Anthony-Wheeler 1999-5-28 280 Humboldt King range, growing along windy pt rd about 1/2 way to the spring exclosure 140 Comment
  HSC56404  Sidalcea oregana subsp. spicata Griswold, Butler 1979-7-11 7000 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  RSA0074177  Sidalcea oregana subsp. spicata Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles Southeast of Arcata. 610 Comment
  HSC26255  Silene bolanderi Thomas W. Nelson 1971-5-31 444 Humboldt 915 Comment
  CDA24098  Silene californica T. C. Fuller 1958-6-17 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  UC161014  Silene californica Joseph P. Tracy 1911-7-9 3457 Humboldt along Willow Creek (tributary of Trinity River, near its mouth); Northern Coast Ranges, along Willow Creek 182 Comment
  RSA78056  Silene californica P. A. Munz 1952-3-27 17800 Humboldt Boise Creek Public Camp west of Willow Creek. 366 Comment
  UC465675  Silene californica P. E. Goddard 1907-5-29 f 101 Humboldt Van Duzen Comment
  CHSC110703  Silene campanulata subsp. campanulata Dean Wm. Taylor 2004-6-24 19130 Humboldt North Coast Range, Horse Mountain, along Titlow Hill road 0.4 miles north from the junction with the road to the mountain summit. 1310 Comment
  UC13562  Silene campanulata subsp. glandulosa Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC104081  Silene campanulata subsp. glandulosa S. Carothers 2001-6-20 Humboldt Six Rivers National Forest; Lassics Botanical Area, below Rd. 1S11 1579 Comment
  HSC57065  Silene douglasii Overton, Butler 1979-7-24 9735 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  CHSC19501  Silene gallica W. D. Stevens 1967-7-22 53 Humboldt Above the dirt road from old Hwy 101 to the top of the north bank of the Mad River. Comment
  JEPS50918  Silene gallica Lincoln Constance 1934-5-24 631 Humboldt lower Look Prairie on e side Bull Creek Region, South Fork Eel River, Look Prairie (Bull Creek Region, South Fork Eel River) 121 Comment
Read comments
Mar 24 2013
  HSC48475  Silene hookeri J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9932 Humboldt Six Rivers Natl. Forest, along Ishi Pishi Rd., 1.5 mi. from the Ishi Pishi Bridge over the Klamath River 305 Comment
  UC1198358  Silene hookeri Joseph P. Tracy 1922-4-30 5999 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1541453  Silene hookeri H. E. Parks and J. P. Tracy 1930-5-25 791 Humboldt Laribee Valley 792 Comment
  CAS-BOT-BC181262  Silene hookeri subsp. hookeri Doris K. Kildale 1929-3-26 9137 Humboldt Orleans, Klamath River 152 Comment
  HSC4169  Silene laciniata subsp. californica C. B. Wolf 1927-8-28 1175 Humboldt On the grade 9 mi. from Willow Creek, Lord Ellis Rd. to Blue Lake Comment
  UC161208  Silene menziesii Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pom Comment
  HSC70925  Sisymbrium altissimum R. York 1980-5-18 576 Humboldt Near Black Mtn 792 Comment
  UC1198796  Sisymbrium officinale Joseph P. Tracy 1932-7-17 10658 Humboldt Trinity Summit at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit, Corral Prairie 1524 Comment
  RSA70587  Sisyrinchium californicum Frank W. Peirson 1923-7-11 3693 Humboldt 7 miles N of Arcata. Comment
  HSC27000  Sisyrinchium californicum Brad Klipfel 1973-8-17 271 Humboldt Big Lagoon Park, N of Trinidad Comment
  UC666973  Smilacina racemosa Joseph P. Tracy 1938-6-13 15908 Humboldt Horse Mountain 1432 Comment
  JEPS12067  Solanum americanum Lincoln Constance 1934-6-2 786 Humboldt Bull Creek Road to mouth of (and up) Bull Creek (Bull Creek Region, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  CDA13498  Solanum americanum R. Spadoni 1997-12-2 s.n. Humboldt 1335 J St. Eureka. 15 Comment
  CHSC97982  Solanum parishii J. Breton; A. Livingston 2005-6-15 12 Humboldt NE of Grouse Mtn. UTM 0444876, 4511301. On rock outcrop. 1327 Comment
  HSC21319  Solanum parishii Francis Winter 1960-5-7 Humboldt 1 mi. S of Tish Tang Boys Camp 305 Comment
  CAS-BOT-BC154215  Solanum umbelliferum H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC154216  Solanum umbelliferum H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1219 Comment
  RSA20813  Solidago canadensis var. gilvocanescens C. B. Wolf 1937-9-9 9311 Humboldt North Coast Range, Wildcat Ridge, 6.3 miles south of Ferndale. 305 Comment
  UC1541617  Solidago elongata H. E. and S. T. Parks 1930-9-14 785 Humboldt n shore Big Lagoon Comment
  CAS-BOT-BC365672  Solidago spathulata Doris K. Kildale 1926-4-9 1745 Humboldt Samoa Peninsula Comment
  HSC6179  Solidago velutina subsp. californica J. P. Tracy 1937-9-5 15682 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC35009  Soliva sessilis J. O. Sawyer 1975-5-20 2695 Humboldt 1445 Chester Ave., Sunnybrae Comment
  HSC47627  Soliva sessilis J. P. Smith 1977-4-23 9019 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC6216  Sonchus asper J. L. Baker 1965-3-27 20 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  RSA85195  Sparganium angustifolium subsp. emersum F. W. Peirson 1923-7-11 3642 Humboldt 20 miles north of Eureka. Comment
  HSC89260  Spartina alterniflora Anni Eicher 1989-4-20 366 Humboldt .5 mi. N of Samoa-Eureka bridge, E of State Hwy. 255, Humboldt Bay Comment
  LA39194  Spartina foliosa W. A. Silveus; 1938-7-10 2966 Humboldt Eureka Comment
  CDA35771  Spartina foliosa J. R. Keck Jr. 1987-10-28 PDR# 331439 Humboldt Humboldt Bay tidal zone near Somoa. 0 Comment
  HSC4241  Spergula arvensis S. R. Johnson 1965-3-14 2 Humboldt 1.5 mi N of Luffenholtz Beach Comment
  RSA187158  Spergula arvensis John H. Thomas 1966-3-19 11488 Humboldt Southern end of Big Lagoon, just inland from the coast between Eureka and Crescent City. 0 Comment
  CAS-BOT-BC390302  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1936-7-3 3782 Humboldt Eureka Comment
  CAS-BOT-BC390612  Spergularia rubra R. K. Gierisch; D. H. Esplin 1969-7-1 3536 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  UC14209  Spiraea douglasii Chesnut and Drew 1888-8-10 Humboldt Arcata Comment
  UC194896  Spiranthes porrifolia Joseph P. Tracy 1916-6-19 4721 Humboldt Dobbyn Creek Northern Coast Ranges (swampy ground around a pond) 182 Comment
  HSC18465  Spiranthes romanzoffiana Jana Kattenhorn 1970-10-14 168 Humboldt Big Lagoon Comment
  UC1222863  Stachys ajugoides var. ajugoides Joseph P. Tracy 1951-6-21 19526 Humboldt back of Everett Beck's Ranch house (bed of former Goose Lake); Goose Lake, Hydesville Comment
  UC577331  Stachys ajugoides var. rigida Joseph P. Tracy 1933-8-6 12944 Humboldt French Camp Ridge 1066 Comment
  UCLA71395  Stachys ajugoides var. rigida M. S. Jussel 1931-5-2 Humboldt Sylvandale Comment
  UC552241  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  HSC12371  Stachys chamissonis Steve Dorei 1970-10-14 99 Humboldt Big Lagoon Comment
  POM283395  Stachys chamissonis Lyman Benson 1928-7-10 s.n. Humboldt Clam Beach, 8 mi. S. of Trinidad. 15 Comment
  UC1239727  Stachys chamissonis Joseph P. Tracy 1906-6-24 2496 Humboldt region about Humboldt Bay (s slope of Humboldt Hill); Northern Coast Region 0 Comment
  UC673112  Stachys chamissonis Joseph P. Tracy 1940-9-26 16726 Humboldt Eureka 3 Comment
  HSC81924  Stachys mexicana Thomas W. Nelson, Jane P. Nelson 1979-7-3 4955 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC79495  Stachys rigida var. quercetorum Kenneth Clark 1979-7-1 451 Humboldt Dead Man's Gulch, lower terrace 6 Comment
  HSC21956  Stachys rigida var. rigida John Warner Hosking 1968-10-10 Humboldt Clam Beach. Comment
  HSC4283  Stellaria crispa D. E. Anderson 1962-3-31 1963 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  UC668076  Stellaria crispa Joseph P. Tracy 1930-7-16 8926 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC59679  Stellaria media George Kirn 1977-10-14 Humboldt Eureka, 6th and L St. 12 Comment
  HSC84043  Stellaria media L. P. Janeway 1983-4-16 228 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  HSC40308  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1976-6-22 2852 Humboldt Along road to Goat Hill at spring. 1646 Comment
  HSC70964  Stipa lemmonii Gail Newton 1980-7-15 1584 Humboldt Near Sims Mtn. 1311 Comment
  HSC6946  Streptanthus tortuosus R. Spellenberg 1965-6-14 1130 Humboldt S of airport, 5 mi. E of Kneeland Comment
  HSC57893  Streptanthus tortuosus var. tortuosus Walter Overton, Marvin Butler 1979-7-31 11468 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC76249  Symphoricarpos mollis Denis Kearns 1981-7-23 414 Humboldt Near Whiteys Peak. 1524 Comment
  CAS-BOT-BC99172  Symphyotrichum chilense Henry M. Pollard 1956-10-14 s.n. Humboldt Rocky crevices along Klamath River near mouth of Pearch Creek, Orleans. Comment
  UC198639  Symphytum asperum Joseph P. Tracy 1916-4-30 4679 Humboldt around Humboldt Bay (Salmon Creek near barnyard); Northern Coast Ranges, , Salmon Creek 30 Comment
  CAS-BOT-BC376720  Tanacetum bipinnatum Tom Craig 1941-6-29 s.n. Humboldt Samoa Comment
  HSC6245  Tanacetum bipinnatum Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  HSC90426  Tanacetum bipinnatum Jean Hanson 1980-6-22 93 Humboldt Indian (Gunther) Island in Humboldt Bay, city of Eureka. W end of island; ca. 100 ft. inland from shore Comment
  SD148217  Tanacetum camphoratum G. K. Helmkamp, E. A. Helmkamp 2001-7-8 7012 Humboldt Samoa Peninsula, 2.6 miles south of California 255 bridge across Humboldt Bay. 14 Comment
  SD39584  Tanacetum camphoratum Charlotte Hoak 1931-7-15 Humboldt Eureka Comment
  SBBG53001  Tanacetum vulgare J. D. Hobson -Jun-1966 Humboldt Loleta Comment
  CAS-BOT-BC376834  Tanacetum vulgare Doris K. Kildale 1926-7-8 2250 Humboldt Along road between Fernbridge and Fortuna Comment
  UC1239514  Taraxacum officinale J. P. Tracy 1901-1-13 984 Humboldt immediate vicinity Eureka 0 Comment
  UC1197329  Tauschia kelloggii Joseph P. Tracy 1929-7-4 8632 Humboldt French Camp Ridge 1066 Comment
  UC1222750  Tauschia kelloggii Joseph P. Tracy 1950-8-18 19332 Humboldt 1/2 mi along the Blocksburg Road w from the bridge across Larrabee Creek; along Larrabee Creek Comment
  HSC1597  Taxus brevifolia Francis Winter 1960-5-7 Humboldt Pine Ridge Summit, Hoopa Indian Reservation 671 Comment
  HSC56324  Tellima grandiflora Overton, Butler 1979-8-2 12666 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC20425  Tellima grandiflora J. F. Knezevich 1968-5-23 459 Humboldt Above Trinidad, N end of Big Lagoon 0 Comment
  HSC45268  Tellima grandiflora M. Alcasas 1978-6-3 121 Humboldt Titlow Hill Rd. 0.8 mi. from Hwy. 299 1113 Comment
  UC495727  Thermopsis gracilis Joseph P. Tracy 1927-5-15 8045 Humboldt between Hoopa and Willow Camp; Sugar Bowl Mt. 457 Comment
  CHSC10101  Thermopsis macrophylla D. E. Anderson 1965-5-15 36926 Humboldt About 7 miles north of Hoops on Bloody Camp Prairie road. Comment
  UC10967  Thlaspi montanum var. montanum Harley P. Chandler June, 1901 1377 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 182 Comment
  CAS-BOT-BC81308  Thuja plicata Doris K. Kildale 1927-3-22 2935 Humboldt North Fork Elk River Comment
  NY17199  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
  RSA89625  Thuja plicata E. K. Balls, P. C. Everett 1953-10-13 18653 Humboldt 10.6 mi E of jct of Hwys 101 and 299 between Arcata and Willow Creek. 244 Comment
  UC615042  Thuja plicata Beryl O. Schreiber 1934-6-5 1132 Humboldt 5 mi e of Blue Lake (road to Redding, wooded slope) Comment
  UCR3547  Thuja plicata David Whistler, H. M. Whistler 1964-8-1 640801- 6 Humboldt US Hwy 299, 9 mi east of Blue Lake. Comment
  CAS-BOT-BC88321  Thysanocarpus curvipes John H. Thomas 1968-4-21 14355 Humboldt About 6.4 miles south of Weitchpec (as measured along the road). 170 Comment
  UC154081  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC11935  Tiarella trifoliata var. unifoliata J. Burtt Davy 1899-6-13 5513 Humboldt Redwoods near Camp Grant (along the Eel River); along the Eel River Comment
  UC1212146  Tiarella trifoliata var. unifoliata Francia Chisaki and Helen K. Sharsmith 1959-8-22 4753 Humboldt bog at Happy Camp Happy Camp (just over Trinity County line); Inner North Coast Ranges 914 Comment
  SEINET3888616  Tofieldia occidentalis Carl B. Wolf 1934-7-2 5878 Humboldt Snow Camp (Mts. E. of Korbel). Near small lake.; 0 1372 Comment
  UC154137  Tolmiea diplomenziesii Joseph Burtt Davy and Walter C. Blasdale 1899-5 5628 Humboldt Bald Mt.; North Coast Ranges Comment
  CAS-BOT-BC447610  Tolmiea menziesii Harley P. Chandler 1901-5-1 1268 Humboldt Redwood Belt 457 Comment
  RSA167305  Tolmiea menziesii Joseph P. Tracy 1950-7-15 19040 Humboldt Mouth of Raccoon Creek, 1 mile northeast of Patterson s Ranch, vicinity of Willow Creek. Comment
  HSC73176  Tonella tenella M. A. Baker 1980-5-17 1249 Humboldt Near Le Perron Peak 1066 Comment
  UC169326  Tonella tenella Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5388 Humboldt near Hubbard's Station; North Coast Ranges Comment
  UC1561282  Torilis arvensis Barbara Ertter with Thomas J. Delendick 1987-5-16 6916 Humboldt Hwy 299 roadside ca 8 mi e Arcata (9 1/2 mi w of Lord Ellis summit); w of Lord Ellis summit Comment
  UC906646  Torilis arvensis Joseph P. Tracy 1946-6-15 17557 Humboldt Berry's Mt on Trinity Highway east of Redwood Creek 609 Comment
  JEPS63915  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16429 Humboldt on rd. to Bull Creek Dyerville Comment
  SEINET3071157 Image available Tracyina rostrata J. P. Tracy 1916-6-20 4735 Humboldt Alder Point Comment
  UC1222896  Tracyina rostrata Joseph P. Tracy 1950-6-23 18859 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  HSC56236  Trautvetteria caroliniensis Walter Overton 1979-8-1 12318 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC27392  Trichostema lanceolatum Thomas W. Nelson 1970-9-3 210 Humboldt Mad River. Comment
  JEPS63123  Trichostema lanceolatum W. L. Jepson 1921-9-11 9466 Humboldt DeVoy Flat, South Fork Eel River Comment
  UC535718  Trichostema laxum Eleanor Armstrong 1934-7-15 1130 Humboldt Richardson Grove 121 Comment
  HSC44328  Trichostema laxum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3700 Humboldt Above Alder Spring 1616 Comment
  SEINET8999565 Image available Trichostema oblongum Unknown 1927-8-7 8327 Humboldt Trinity River Valley, at Willow Creek Comment
  UC154025  Trientalis latifolia J. P. Tracy 1900-5-22 798 Humboldt immediate vicinity of Eureka 0 Comment
  UC495666  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-5-14 8007 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  SBBG122678  Trifolium arvense J. Dittes, J. Guardino 2003-6-7 2003 -65 Humboldt entrance rd to Aikens Crk Cmpgrd, ca. 4.1 air-mi NE of confluence of Trinity River and Klamath River, ca. 0.3 air-mi NW of confluence of Klamath River and Aikens Crk 106 Comment
  UC165525  Trifolium barbigerum Harley P. Chandler May, 1901 1129 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  SEINET6934848  Trifolium bifidum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  UC1197059  Trifolium bifidum var. decipiens Joseph P. Tracy 1925-8-9 7226 Humboldt near Miranda (Salmon Creek); Northern Coast Ranges 91 Comment
  POM127032  Trifolium cyathiferum Chesnut, E. R. Drew 1888-8-2 s.n. Humboldt Grouse Creek Comment
  UC495701  Trifolium cyathiferum Joseph P. Tracy 1932-6-14 10150 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1103442  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1916-4-30 4684 Humboldt Bucksport Northern Coast Ranges, Eureka 60 Comment
  HSC73960  Trifolium dichotomum Gail Newton 1980-6-7 128 Humboldt Near Brush Mtn. 1128 Comment
  UC1223468  Trifolium dubium Joseph P. Tracy 1948-5-31 18024 Humboldt Blocksburg Comment
  POM214889  Trifolium eriocephalum subsp. eriocephalum Joseph P. Tracy 8821 Humboldt Buck Mountain Comment
  HSC28171  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  UC418985  Trifolium fucatum H. E. and S. T. Parks May 1930 738 Humboldt vicinity Bridgeville Comment
  UC1197190  Trifolium gracilentum Joseph P. Tracy 1911-5-30 3194 Humboldt Bucksport Northern Coast Region, Humboldt Bay Comment
  UC1197195  Trifolium gracilentum J. P. Tracy 1899-6-2 106 Humboldt near Bucksport (immediate vicinity of Eureka) 0 Comment
  HSC27563  Trifolium incarnatum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1972-4-22 Humboldt Freeway Exit at Benbow Comment
  SEINET12157250  Trifolium macraei J. P. Tracy 1936-1 14841 Humboldt Samoa Sand Dunes Comment
  HSC71447  Trifolium microcephalum J. P. Smith, Advanced Plant Taxonomy Class 1971-10-9 5023 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  JEPS65952  Trifolium microcephalum W. L. Jepson 1936-8-17 17938 Humboldt near Arcata (Mad River) Comment
  UC1541587  Trifolium microcephalum Harold E. Parks May 1935 5539 Humboldt Spruce Cove Trinidad Comment
  UC1197486  Trifolium obtusiflorum Joseph P. Tracy 1927-5-30 8092 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  UC1197503  Trifolium obtusiflorum Joseph P. Tracy 1903-5-24 1916 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  UC1223339  Trifolium obtusiflorum Joseph P. Tracy 1933-6-11 12555 Humboldt 4 mi s Dyerville (along hwy, along South Fork Eel River) Comment
  HSC2108  Trifolium pratense Paul Shields 1955-6-10 Humboldt HSU campus Comment
  UC165581  Trifolium repens Harley P. Chandler May, 1902 1092 Humboldt Scotia North Coast Ranges 60 Comment
  HSC100539  Trifolium repens Carl C. Marshall May 1886 205 Humboldt Everywhere. Comment
  UC16760  Trifolium willdenovii Joseph Burtt Davy and Walter C. Blasdale 1899-6-27 5874 Humboldt Martin's Ferry Comment
  UC495687  Trifolium willdenovii Joseph P. Tracy 1932-5-16 10110 Humboldt near Samoa; Northern Coast Ranges, Humboldt Bay 6 Comment
  HSC15180  Trifolium willdenovii Eugene Andreuccetti 1964-5-2 46 Humboldt Grounds of Tish-Tang Ranger Station Comment
  JEPS4131  Trifolium willdenovii Joseph P. Tracy 1932-4-23 9829 Humboldt along South Fork Eel River (Miranda); Northern Coast Ranges 121 Comment
  UC1223322  Trifolium willdenovii Joseph P. Tracy 1935-6-8 13945 Humboldt along hwy (at n end of lagoon); Big Lagoon Comment
  UCD109897  Trifolium willdenovii Joseph P. Tracy 1933-6-24 12615 Humboldt North end of Big Lagoon. Comment
  HSC27894  Trifolium wormskioldii Clifton Raymond Chesbrough 1973-6-19 64 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  POM349598  Trifolium wormskioldii M. B. Dunkle 1936-8-18 4814 Humboldt South of Eureka. 91 Comment
  RSA639405  Trifolium wormskioldii Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-7 35196 Humboldt Big Lagoon; at edge of bog at south end of lagoon. 2 Comment
  HSC37965  Triglochin concinna Peter Sorensen 1976-6-16 Humboldt Woodley Island, Humboldt Bay Comment
  HSC82963  Triglochin concinna A. L. Eicher 1986-5-10 Humboldt Bordering Humboldt Bay, 0.3 mi. S of the jct. of Samoa Blvd. and Vance Ave. 1 Comment
  HSC89895  Triglochin maritima Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  UCSB25659  Triglochin maritima Keefe, Joseph 1967-7-8 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 1 Comment
  UC162705  Triglochin maritima Joseph P. Tracy 1911-6-25 3253 Humboldt Region about Humboldt Bay, at Bucksport Bucksport; Region about Humboldt Bay, Bucksport 0 Comment
  UC667135  Trillium albidum Joseph P. Tracy 1933-5-21 12211 Humboldt McClellan Mt. 822 Comment
  UC1197811  Trillium angustipetalum Mrs. Jennie Worthington 1931-3-22 Humboldt Weitchpec 121 Comment
  HSC101818  Trillium kurabayashii Kjirsten A. Wayman 2012-5-15 320 Humboldt Big Hill Road, 10.5 miles east of Hoopa, N 41.08892 W 123.56708 1368 Comment
  CHSC23038  Trillium ovatum E. K. Daniels 1964-4-18 33 Humboldt Prairie Creek State Park; 1 mi from Pacific Ocean beach on trail towards Park Headquarters. 30 Comment
  HSC47579  Trillium ovatum Sheila Logan 1978-4-10 175 Humboldt Redwood Park behind HSU campus Comment
  POM117306  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC34636  Trillium ovatum J. M. Sauser 1975-4-9 1 Humboldt Jacoby Creek Rd. 4 mi. E of junction with Old Arcata Rd. Comment
  HSC89454  Trillium ovatum M. Roantree 1985-4-28 25 Humboldt NW side of Trinidad Head along trail Comment
  UC1197816  Trillium ovatum Joseph P. Tracy 1930-7-16 8967 Humboldt forest near McKay Camp McKay Camp; S. Fork Mt. 1676 Comment
  HSC100892  Trillium sessile var. californicum Carl C. Marshall Apr 1886 122 Humboldt Thickets near bay. Comment
  BLMAR608  Triphysaria eriantha Jennifer Wheeler 2011-4-1 608 Humboldt King range, located before McNutt Gulch on Mattole Rd Comment
  JEPS884  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1142 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  UC1198034  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1921-4-24 5473 Humboldt facing South Fork of Eel River Phillipsville; Northern Coast Ranges, facing South Fork of Eel River 121 Comment
  UC168980  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1249 Humboldt Bair's Ranch on Redwood Creek 152 Comment
  UC1237958  Triphysaria versicolor subsp. versicolor John Weiler and A. P. Nelson May 26 1961-May 29 1961 61161 Humboldt on U.S. Highway 101, 3.1 mi s Arcata Comment
  CAS-BOT-BC199623  Trisetum canescens H. E. Parks; Joseph P. Tracy 1934-6-27 11074 Humboldt Grouse Mt. 1432 Comment
  UC1103148  Trisetum canescens Joseph P. Tracy 1917-5-30 4789 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  UCD93304  Trisetum canescens A. A. Beetle; G. L. Stebbins 1942-6-1 3457 Humboldt 7 miles north of Weitchpec, in northern Humboldt County. Comment
  UCD93605  Trisetum canescens A. H. Murphy 1947-5-12 s.n. Humboldt Roadside near Carlotta. Comment
  CAS-BOT-BC193517  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka 60 Comment
  UC526697  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  UC552797  Trisetum cernuum Joseph P. Tracy 1935-5-24 13814 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UCD93900  Trisetum cernuum H. E. Parks; S. T. Parks 1952-6-1 7551 Humboldt Spruce Cove, Trinidad. 60 Comment
  UC666898  Triteleia laxa Joseph P. Tracy 1930-7-27 8897 Humboldt Bear River Ridge 609 Comment
  UCD139410  Triteleia laxa Joseph P. Tracy 1942-6-15 17129 Humboldt Humboldt County Englewood, Natural prairie, near Redcrest resort. 91 Comment
  CAS-BOT-BC526357  Triteleia laxa L. R. Abrams 1918-6-14 7089 Humboldt Korbel to Three Creeks near March's ranch Comment
  UCD18588  Triteleia laxa Roman Gankin 1956-3-17 108 Humboldt off US Hwy 101, south boundary of Jenson Grove, near creek. Comment
  CHSC79895  Triticum aestivum Gordon Leppig; Sylvia Leppig, Kai Neander 2000-4-14 1293 Humboldt Arcata, UTM zone 10, 4525N, 409E. 3 Comment
  CAS-BOT-BC73934  Turritis glabra Doris K. Kildale 1928-6-24 5281 Humboldt Horse Mountain. 853 Comment
  SEINET12104679  Umbellularia californica E. A. York 1990-1-10 2667 Humboldt USGS Redwood Field Station, Arcata Comment
  UC1239527  Uropappus lindleyi Joseph P. Tracy 1927-5-8 7973 Humboldt grassy slopes facing South Fork Eel Rivar (Phillipsville); Northern Coast Ranges, South Fork Eel River, Phillipsville 121 Comment
  RSA167409  Urtica dioica subsp. gracilis Joseph P. Tracy 1950-8-8 19276 Humboldt 1 mile west of lower end of Brogham Hole, 'Trinity Summit Trip'. Comment
  RSA54143  Utricularia vulgaris subsp. macrorhiza H. M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley Place. Orleans region. Comment
  UC1197774  Vaccinium cespitosum J. P. Tracy 1901-4-21 1036 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  JEPS58743  Vaccinium ovatum J. P. Tracy 1904-4-17 2017 Humboldt immediate vicinity Eureka 0 Comment
  UC154182  Vaccinium ovatum Harley P. Chandler Jun 1901 1397 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Valley 152 Comment
  UC902048  Vaccinium ovatum Joseph P. Tracy 1948-10-24 18257 Humboldt near Fruitland 304 Comment
  UCD166888  Vaccinium ovatum Colleen Rossier 2016-9-16 6 Humboldt In vicinity of Bark Shanty Road, plot Bark Shanty #2. 427 Comment
  CDA38877  Vaccinium ovatum Gordon Leppig 1998-6-26 854 Humboldt McKinleyville, Rte 101 at Mad River Overlook. Comment
  CAS-BOT-BC199405  Vaccinium parvifolium Doris K. Kildale; J. W. Gillespie 1929-6-25 8393 Humboldt Pines Pasture, Eureka Comment
  CAS-BOT-BC199406  Vaccinium parvifolium Clarence R. Quick 1959-7-24 59 -35 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC31487  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Behind Humboldt State University, Arcata. Comment
  JEPS66684  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1935-7-26 14262 Humboldt Water Dogs Lake Trinity Summit 1828 Comment
  HSC81827  Valeriana sitchensis subsp. sitchensis Thomas W. Nelson 1979-7-11 5027 Humboldt Along trail from Grogan's Hole to North Trinity Mtn., from Grogan's Hole to summit. 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
  HSC58189  Vancouveria hexandra G. L. Clifton, Griswold 1979-8-2 12280 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC12212  Vancouveria hexandra Gary J. Stebbins 1970-5-17 82 Humboldt Along Jolly Giant Creek up from HSU dorm parking lot 1.1 mi. 70 Comment
  HSC31199  Vancouveria planipetala D. E. Anderson 1972-6-20 5746 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UCD99496  Velezia rigida Joseph P. Tracy 1947-7-5 17774 Humboldt Trinity Summit; local on ridge top one mile west of Mud Springs. Comment
  RSA168947  Veratrum californicum Joseph P. Tracy 1950-9-2 19347 Humboldt Fields Landing, 2 miles south of town 6 Comment
  HSC73644  Veratrum californicum var. californicum M. A. Baker 1980-7-22 3112 Humboldt Near Grogan Hole. 1676 Comment
  UC1222526  Veratrum californicum var. californicum Joseph P. Tracy 1950-9-2 19347 Humboldt 2 mi s Field's Landing town (at Still Ranch) 6 Comment
  HSC57172  Veratrum insolitum Overton, Butler 1979-7-26 9981 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1173644  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  UC1198210  Veratrum insolitum Joseph P. Tracy 1947-7-5 17820 Humboldt in open prairie Trinity Summit 1524 Comment
  UC1225853  Veratrum insolitum Joseph P. Tracy 1948-9-5 18180 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  JEPS11195  Verbascum thapsus W. L. Jepson 1936-8-12 17873 Humboldt South Fork Eel River Phillipsville; South Fork Eel River Comment
  HSC75560  Verbena lasiostachys J. O. Sawyer, R. J. Cole 1977-7-3 3013 Humboldt Environs of Mud Spring, Big Hill Rd. (F.S. 8N01) 1524 Comment
  HSC59134  Veronica americana Terry Roth 1979-5-29 102 Humboldt Glendale exit off Hwy. 299, gravel road towards Mad River, near Mad River 30 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
  HSC45251  Veronica americana M. Alcasas 1978-6-3 119 Humboldt On Titlow Hill Rd., 1.3 mi. from Hwy. 299 1463 Comment
  RSA246672  Veronica americana Robert F. Thorne, Percy C. Everett 1965-8-9 35319 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC78984  Veronica peregrina subsp. xalapensis L. P. Janeway 1984-5-16 796 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. NW of the boat ramp 3 Comment
  RSA80042  Veronica scutellata F. W. Peirson 1923-7-11 3838 Humboldt 7 miles N of Arcata. Comment
  JEPS29846  Veronica scutellata Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7836 Humboldt about 1 mi w of Carlotta (or about 0.5 mi e of Hydesville) Comment
  JEPS16812  Veronica serpyllifolia subsp. humifusa Joseph P. Tracy 1935-7-24 14176 Humboldt Trinity Summit, near Ranger Station Trinity Summit 1828 Comment
  UC147903  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1900-5-22 797 Humboldt immediate vicinity of Eureka 0 Comment
  HSC75486  Veronica serpyllifolia subsp. humifusa J. O. Sawyer 1980-7-18 3609 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC15258  Vicia americana var. americana J. P. Tracy 1935-5-26 13908 Humboldt Iaqua 610 Comment
  HSC39004  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-5-31 2650 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC1197478  Vicia americana var. americana Joseph P. Tracy 1939-4-18 16216 Humboldt between Miranda and Redway (South Fork of Eel River); North Coast Ranges, South Fork of Eel River 91 Comment
  UCD108778  Vicia benghalensis Rimo Bacigalupi; L. Heckard, J. Weiler 1961-6-23 7838 Humboldt About 1 mile west of Carlotta (or about 1/2 mile east of Hydesville). Comment
  CHSC31288  Vicia gigantea Mark Stopher 1980-6-4 102 Humboldt Along Eel River near Hwy 101 bridge. 1 Comment
  HSC15261  Vicia hirsuta D. B. Bader 1963-5-1 4 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101, along R.R. tracks Comment
  POM92410  Vicia sativa L. R. Abrams 1922-6-25 8238 Humboldt 2 miles south of Fortuna Comment
  UCSB61648  Vicia tetrasperma Ertter, Barbara; Delendick, Thomas 1987-5-16 Humboldt Hwy 299 roadside ca. 8 mi E of Arcata, 9 1/2 mi W of Lord Ellis summit Comment
  CAS-BOT-BC263939  Viola adunca Alice Eastwood 1907-4-21 31 Humboldt Trinidad Comment
  HSC21772  Viola adunca T. M. Mingo May 1965 Humboldt W of College Cove Comment
  HSC97108  Viola adunca Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 1 Humboldt 7.4 mi. S of Hwy. 299 on FS Rd. NF1; Coldspring Camp. 1372 Comment
  UC176962  Viola adunca Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3586 Humboldt near Hydesville; Northern Coast Region 30 Comment
  RSA120706  Viola cuneata S. S. Tillett 1956-7-6 611 Humboldt South slope along Bar Shanty Road, 5 miles from Orleans. 488 Comment
  UC302051  Viola cuneata Joseph P. Tracy 1926-6-20 7615 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  UC35267  Viola glabella W. C. Blasdale 1896-6-5 Humboldt Fitzgerald's Comment
  HSC21865  Viola hallii Paul Shields May 1955 Humboldt Kneeland Comment
  UC183742  Viola hallii Joseph P. Tracy 1913-6-17 4166 Humboldt near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1524 Comment
  SEINET11996974  Viola lobata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -311 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC81588  Viola ocellata Thomas W. Nelson, Jane P. Nelson 1980-5-25 5263 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  HSC21824  Viola ocellata Jack Rockwell 1962-5-12 70 Humboldt N of Bridgeville in hillside canyon 213 Comment
  SEINET200806 Image available Viola ocellata J. P. Tracy 1922-4-30 6034 Humboldt Tinity River Valley near Willow Creek 500 Comment
  SEINET201005 Image available Viola palustris J. P. Tracy 1904-7-31 2126 Humboldt Eureka 61 Comment
  HSC90167  Viola praemorsa subsp. praemorsa Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 61 Humboldt Titlow Hill Rd., 0.5 mi. S of its intersection with Hwy. 299 854 Comment
  UC249588  Viola praemorsa subsp. praemorsa Joseph P. Tracy 1922-5-29 6067 Humboldt Head of South Yager Creek; Northern Coast Ranges, South Yager Creek Comment
  UC35265  Viola praemorsa subsp. praemorsa W. C. Blasdale 1896-6-7 Humboldt Kneeland's Comment
  HSC34806  Viola sempervirens Lon Hall 1975-3-27 301 Humboldt Near Shelter Cove, above Bear Creek 366 Comment
  UC668241  Viola sheltonii Joseph P. Tracy 1933-7-16 12769 Humboldt near McKay Camp (South Fork Mountain); South Fork Mountain 1676 Comment
  HSC100699  Vitis californica Carl C. Marshall Jun 1886 313 Humboldt Hoopa. Comment
  UC1121955  Vitis californica H. S. Yates 1936-6-24 5879 Humboldt 2 mi e Bear Butte; Briceland Quadrangle Comment
  CAS-BOT-BC199801  Vulpia Doris K. Kildale 1927-6-25 3563 Humboldt Fearren's Ranch between Thorn & Shelter Cove Comment
  HSC9830  Vulpia bromoides T. L. Ackerman 1964-4-10 30 Humboldt At Turner Draw on U.S. 101, near Mad River. Comment
  SEINET200354  Vulpia microstachys var. pauciflora J. P. Tracy 1919-5-31 5161 Humboldt W side Trinity River; near Willow Creek 153 Comment
  UC1145192  Vulpia microstachys var. pauciflora Joseph P. Tracy 1942-6-23 17224 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC525672  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7441 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD94574  Vulpia microstachys var. pauciflora A. H. Murphy 1951-6-1 55 Humboldt about 2 miles east of Low Gap, on the Mad River drainage. Comment
  HSC71718  Vulpia myuros M. A. Baker 1980-6-26 2446 Humboldt Near Sims Creek 610 Comment
  UC525643  Vulpia octoflora var. hirtella Joseph P. Tracy 1929-7-4 8618 Humboldt French Camp Ridge; Northern Coast Ranges 1066 Comment
  HSC20445  Whipplea modesta John A. Dubois 1962-5-12 5 Humboldt 20 mi. E of Arcata Comment
  HSC74652  Whipplea modesta M. A. Baker 1980-5-17 1225 Humboldt Near Le Perron Peak 792 Comment
  HSC44509  Wyethia angustifolia Brad Klipfel 1973-7-1 118 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1199260  Wyethia angustifolia Joseph P. Tracy 1936-6-10 14928 Humboldt w of mouth South Fork Trinity River 457 Comment
  HSC71800  Wyethia longicaulis M. A. Baker 1980-6-8 1924 Humboldt Near Buck Flat. 1554 Comment
  JEPS37537  Xanthium strumarium Lincoln Constance 1934-6-12 865 Humboldt n bank South Fork Eel River (Dyerville, Bull Creek Road, Bull Creek Region); n bank South Fork Eel River, Bull Creek Region, Dyerville Comment
  UC673078  Xanthium strumarium Joseph P. Tracy 1940-10-5 16747 Humboldt Trinidad 3 Comment
  BLMAR415  Xanthium strumarium Jennifer Wheeler 2007-8-22 415 Humboldt South Spit, East side of road, near ecotone between atriplex and dune swale Comment
  CAS-BOT-BC527072  Xerophyllum tenax B. H. Mace; Frank Graham 1922-10-1 38737 Humboldt Brannan Mt., Trinity Forest Comment
  HSC21901  Zannichellia palustris D. E. Anderson 1961-9-2 1760 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  HSC62873  Zeltnera davyi J. M. DiTomaso 1979-5-20 1045 Humboldt McKinleyville, middle divider on Hwy. 101 at Murray Rd. Comment
  HSC73775  Zigadenus micranthus M. A. Baker 1980-6-7 1769 Humboldt Near Brush Mtn. 1128 Comment
  HSC49625  Zostera marina R. York 1979-4-22 248 Humboldt Along bluffs just N of College Cove Comment
  UC297846  Zostera marina H. E. Parks 1923-5-30 1756 Humboldt Eureka Comment



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