Search Results — 2000 specimen records retrieved (1366 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR32087  Abronia latifolia David J. Keil 1983-7-1 17287 Humboldt Pacific Coast, c. 5 mi. west of Petrolia along Mattole Road 225 Comment
  RSA0025080  Abronia latifolia Joseph P. Tracy 1901-8-7 1271 Humboldt Sand Hills of Ocean Beach at Samoa, opp. Eureka Comment
  CAS-BOT-BC330549  Acer circinatum Harley P. Chandler 1901-6-1 1283 Humboldt North Coast Ranges. Hupa Indian Reservation 1097 Comment
  HSC57964  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-31 11671 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC98921  Acer glabrum var. torreyi Cara Witte 2007-6-5 211 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  HSC99409  Acer glabrum var. torreyi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 58 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  RSA46728  Acer glabrum var. torreyi Doris K. Kildale 1938-1 15372 Humboldt Hoopa trip. Comment
  HSC2808  Acer macrophyllum A. H. Sartain 1964-4-25 Humboldt 6 mi. W of Willow Creek on Hwy. 299 Comment
  HSC2810  Acer macrophyllum Francis Winter 1960-4-23 Humboldt 1.0 mi. N of Dollar Ranch on Korbel-Maple Creek Rd. 229 Comment
  UC718416  Acer macrophyllum Wolf and Johnson 1934-10-11 6756 Humboldt Redwood Highway 6 4/10 mi w Humboldt Redwood Park (Eel River); w of Humboldt Redwood Park, Eel River 91 Comment
  HSC89470  Achillea millefolium P. A. Daly 1986-3-12 97 Humboldt Trinidad Head, along trail 61 Comment
  CAS-BOT-BC28581  Achillea millefolium David D. Keck 1949-7-12 6326 Humboldt 4 miles south of Scotia (halfway between Scotia and Pepperwood). Comment
  CAS-BOT-BC400020  Achlys triphylla Doris K. Kildale 1928-5-19 5158 Humboldt Chalk Mountain Comment
  CAS-BOT-BC400024  Achlys triphylla Mrs. H. E. Wilder 1924-4-26 s.n. Humboldt Carlotta Comment
  HSC31126  Achlys triphylla J. O. Sawyer 1970-6-24 2261 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  CAS-BOT-BC400026  Achlys triphylla Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Divide west of Willow Creek Comment
  UC1152042  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19598 Humboldt n side of Board Camp Mountain at extreme head of Redwood Creek Board Camp Mountain, Redwood Creek Comment
  UC1222924  Achyrachaena mollis Joseph P. Tracy 1950-6-15 18811 Humboldt n 7 mi at Jenk's Ranch Harris; Mail Ridge Comment
  HSC69893  Acmispon denticulatus Thomas W. Nelson, Jane P. Nelson 1977-7-29 3639 Humboldt Beside SR 36 at head of Larabee Valley 823 Comment
  HSC33760  Acmispon micranthus A. Montalvo 1975-5-24 276 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC45644  Acmispon micranthus Diane L. Reed 1978-5-7 53 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  HSC98305  Acmispon micranthus J. R. Woodside 1963-5-1 24 Humboldt 1.25 mi. N of Fairhaven 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
  HSC56001  Aconitum columbianum subsp. viviparum Overton, Butler 1979-7-31 11449 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC55739  Actaea rubra G. L. Clifton, Griswold 1979-7-26 10241 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  JEPS35153  Adiantum aleuticum W. L. Jepson 1921-9-10 9461 Humboldt Garberville Comment
  HSC958  Adiantum aleuticum S. J. Moore 1965-5-12 18 Humboldt Gold Beach Comment
  UCSB29352  Adiantum aleuticum Phelps, M. 1972-3-22 Humboldt Throughout Telegraph Creek off Black Sands Road, Shelter Cove 45 Comment
  HSC102242  Ageratina occidentalis Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  HSC32125  Agoseris grandiflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5586 Humboldt Mount Lassic and 2 smaller peaks to immediate east 1768 Comment
  UC249885  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1923-7-4 6522 Humboldt s South Yager Creek 762 Comment
  UC1196558  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1935-7-14 14078 Humboldt top of ridge Grouse Mountain; North Coast Ranges 1524 Comment
  CAS-BOT-BC15343  Agoseris heterophylla Alice Eastwood; John Thomas Howell 1937-6-23 4810 Humboldt Little Van Duzen River Comment
  UC175200  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1913-6-14 4132 Humboldt at, (opposite Buck Mountain, in valley of Van Duzen River) Dinsmore's Ranch; Northern Coast Ranges, Van Duzen River 762 Comment
  CAS-BOT-BC127297  Agrostis exarata Doris K. Kildale 1927-7-23 3796 Humboldt Near Lasseeks [Lassics] Peaks. Haaglin [Hoagland] Lake. Comment
  UC204711  Agrostis exarata Joseph P. Tracy 1918-7-5 5016 Humboldt White Thorn Valley, in dried up ditch Northern Coast Ranges, White Thorn Valley 304 Comment
  UC552714  Agrostis exarata Joseph P. Tracy 1935-7-21 14113 Humboldt at Willow Creek (in open field); Trinity River Valley 152 Comment
  CAS-BOT-BC139498  Agrostis hallii W. A. Silveus 2981 Humboldt Dyerville. Comment
  UC526881  Agrostis hallii Joseph P. Tracy 1925-8-22 7237 Humboldt North Fork of Eel River, around Humboldt Bay Northern Coast Region, Humboldt Bay 30 Comment
  RSA152377  Agrostis oregonensis Joseph P. Tracy 1941-8-24 17039 Humboldt South Fork Mountain. Near McKay camp. 1677 Comment
  UC1103396  Agrostis oregonensis Joseph P. Tracy 1934-8-29 13637 Humboldt openings in forest near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC139061  Agrostis pallens Joseph P. Tracy 1935-7-28 14335 Humboldt Trinity Summit. Head of Brett Hole. 1828 Comment
  SEINET3127763  Agrostis pallens J. B. Davy 1899-6-13 5521 Humboldt Near Pepperwood Comment
  UC552778  Agrostis thurberiana Joseph P. Tracy 1934-7-18 13453 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC1103297  Aira caryophyllea Joseph P. Tracy 1923-6-24 6359 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC526677  Aira praecox Joseph P. Tracy 1932-5-16 10103 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  SBBG88771  Alisma triviale A. Keedy 1988-9-18 9 Humboldt fresh water pond A, Arcata Salt Marsh Project, Humboldt Bay Comment
  UC176166  Allium amplectens Joseph P. Tracy 1912-7-26 3844 Humboldt Lawrence Creek Northern Coast Ranges, Kneeland Prairie, Lawrence Creek 762 Comment
  CAS-BOT-BC460752  Allium amplectens Carl Purdy 1933-6-1 s.n. Humboldt Fort Baker Comment
  UC677684  Allium amplectens C. C. and S. K. Harris 1936-6-24 645 Humboldt at point where road from Bridgeville to Dinsmore crosses the Little Van Duzen River Little Van Duzen River 710 Comment
  UC666927  Allium campanulatum Joseph P. Tracy 1933-7-25 12863 Humboldt Grouse Mountain 1524 Comment
  HSC98539  Allium falcifolium Cara Witte 2008-6-9 697 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  CAS-BOT-BC239  Allium grandisceptrum Mrs. W. W. Hutchinson 1924-6-1 s.n. (Herbarium A. Davidson no. 3595 ) Humboldt Garberville Comment
  HSC71825  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5956 Humboldt Saddle between Mt. Lassic and peak to E 1677 Comment
  HSC12536  Allium membranaceum J. Allen DeCou 1899-6-22 263 Humboldt Trail to Trinity Summit Comment
  UC666938  Allium siskiyouense Joseph P. Tracy 1933-7-16 12789 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  SEINET4208044  Allium triquetrum Richard R. Halse 2013-3-28 8768 Humboldt Along U.S. Hwy. 101 ca 1.0 miles west of Orick.; 0 4 Comment
  SEINET199680  Allium unifolium Joseph P. Tracy 1935-6-8 13953 Humboldt Dry Lagoon along coast in front of South End of Stone Lagoon. 15 Comment
  HSC70498  Allium validum Gail Newton 1980-7-20 1628 Humboldt Near Bell Swamps 9 Comment
  HSC99505  Allium validum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 165 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
  HSC48726  Allotropa virgata M. A. Baker 1979-6-6 774 Humboldt Middle of W half of section 2. 610 Comment
  SEINET6196142  Allotropa virgata S. S. Tillett 1956-7-6 619 Humboldt Along ridge 11 mi. from Orleans, on Bar Shanty Road. 1158 Comment
  UC213001  Alnus rhombifolia Joseph P. Tracy 1919-9-27 5303 Humboldt Willow Creek Northern Coast Ranges (near its mouth, (creek is a tributary of Trinity River)) 152 Comment
  CAS-BOT-BC169543  Alnus rubra Alice Eastwood 1907-4-21 2 Humboldt Trinidad Comment
  CAS-BOT-BC169545  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt Mattole River, near Petrolia 15 Comment
  HSC31798  Alnus rubra Steve Selva, Roger Jensen 1974-8-27 82 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  HSC3394  Alnus rubra J. W. Johnson 1961-9-4 1088 Humboldt Along Lanphere Lane near the swamp, Samoa Peninsula Comment
  HSC65052  Alnus rubra J. P. Smith, Steve Selva 1970-6-30 4115 Humboldt Comment
  RSA778734  Alnus rubra Lyman Benson 1928-7-10 430 Humboldt Clam Beach, Trinidad. 12 Comment
  SBBG25879  Alnus rubra E. R. Blakley 1966-8-17 6797 Humboldt Patrick's Point 5 mi N of Trinidad 60 Comment
  UC1197948  Alnus rubra Joseph P. Tracy 1924-8-17 6823 Humboldt Trinidad Northern Coast Ranges 60 Comment
  HSC99364  Alnus viridis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 13 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC54760  Alnus viridis subsp. sinuata Joseph Burtt Davy and Walter C. Blasdale 1899-5 5778 Humboldt Trinity Summit North Coast Ranges (Mendocino, Humboldt, and Del Norte Counties) Comment
  UC187284  Alopecurus geniculatus Joseph P. Tracy 1911-6-25 3249 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay, Bucksport 0 Comment
  HSC8900  Alopecurus pratensis L. M. Malloy 1965-3-27 2 Humboldt Arcata, 0.5 mi. W of Alliance Store along N side of Alliance Rd. 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
  UC665537  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  UC582624  Ambrosia chamissonis Joseph P. Tracy 1934-10-21 13687 Humboldt s end Stone Lagoon 3 Comment
  CAS-BOT-BC142905  Amelanchier Doris K. Kildale; L. B. Kildale 1930-5-11 9559 Humboldt McClellan Hill near Bridgeville 609 Comment
  CAS-BOT-BC142890  Amelanchier alnifolia var. semiintegrifolia Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC18514  Amelanchier alnifolia var. semiintegrifolia Francis Winter 1960-4-24 Humboldt 8 mi. NE of Redwood Creek Ranch 610 Comment
  CAS-BOT-BC142894  Amelanchier alnifolia var. semiintegrifolia L. R. Abrams 1917-6-17 7209 Humboldt Hoopa to Briar's Resort on road to Korbel Comment
  CAS-BOT-BC143018  Amelanchier utahensis Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  RSA86667  Ammophila arenaria F. W. Peirson 1941-7-29 13112 Humboldt Little River Beach State Park. Comment
  SEINET3917968  Ammophila arenaria J. P. Smith, Thomas W. Nelson 1977-6-30 9201 Humboldt Samoa Peninsula just east of the drag strip.; 0 Comment
  UC525581  Amsinckia menziesii var. menziesii Joseph P. Tracy 1933-5-14 12175 Humboldt Trinity River Vallley at Willow Creek Trinity River Vallley; Northern Coast Ranges 152 Comment
  HSC26473  Amsinckia spectabilis T. O. Osborne 1970-4-8 15 Humboldt Sugarloaf Rock, Cape Mendocino 76 Comment
  UCD117538  Anagallis arvensis Malcolm A. Nobs; S. Galen Smith 1949-8-11 1342 Humboldt eastern shore of Stone Lagoon. Comment
  HSC79468  Anaphalis margaritacea Kenneth Clark 1980-5-10 631 Humboldt Western slope above Dead Man's Gulch 130 Comment
  CAS-BOT-BC391788  Anemone deltoidea Joseph P. Tracy 1930-7-16 8964 Humboldt Northern Coast Ranges. South Fork Mountain; near McKay Camp 1676 Comment
  HSC55868  Anemone deltoidea G. L. Clifton, Griswold 1979-7-25 10891 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 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
  HSC98600  Anemone deltoidea Cara Witte 2008-6-15 736 Humboldt Along National Forest 1. 3 miles north from intersection with Forest Service Road 6N01B. 1456 Comment
  UCD95449  Anemone deltoidea K. Esau 1934-5-5 s.n. Humboldt Redwood Highway near Scotia. Comment
  UC160912  Anemone oregana Joseph P. Tracy 1909-4-4 2949 Humboldt s foot of Humboldt Hill (near Buhne's Ranch, region about Humboldt Bay); North Coast Ranges 0 Comment
  UC582653  Angelica genuflexa Joseph P. Tracy 1937-8-22 15670 Humboldt 2 mi s of Fields Landing 6 Comment
  UC582661  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  CAS-BOT-BC221417  Angelica hendersonii L. R. Abrams 1927-9-1 12065 Humboldt Stone Lagoon Comment
  UC582656  Angelica hendersonii Joseph P. Tracy 1936-10-24 15205 Humboldt Table Bluff 91 Comment
  HSC91940  Angelica hendersonii E. Mackey 1986-7-6 Humboldt Patrick's Point State Park, Palmer's Point trail to beach Comment
  HSC71326  Angelica lucida J. M. DiTomaso 1980-6-21 1607 Humboldt Clam beach. Comment
  HSC8638  Angelica lucida D. E. Anderson 1966-10-29 4347 Humboldt Along E side of Humboldt Bay, 1 mi. S of Arcata. Comment
  UC1400338  Angelica lucida Robert F. Thorne and P. Everett 1965-8-9 35337 Humboldt along Hwy 101 about 3 mi n Eureka 1 Comment
  HSC49963  Anisocarpus madioides Maralyn O'Meara 1974-7-11 541 Humboldt Kneeland; Barry Ridge Comment
  UC485304  Anisocarpus madioides J. P. Tracy 1903-5-24 1909 Humboldt Alder Point 304 Comment
  UC1537061  Anisocarpus madioides Gordon H. True Jr. 1936-5-11 465 Humboldt 12 mi w Miranda (e slope Elk Ridge); Elk Ridge 365 Comment
  CAS-BOT-BC137781  Anthoxanthum Doris Kildale 1931-5-10 10557 Humboldt Snow Camp. Comment
  UCD85354  Anthoxanthum occidentale A. H. Murphy 1947-2-1 s.n. Humboldt Along road 1 mile S of McCann. Comment
  HSC102648  Anthoxanthum odoratum J. P. Smith 2009-5-31 12609 Humboldt Bald Hills Road. 791 Comment
  SACT000343  Anthoxanthum odoratum Malcolm Nobs, S. Smith 1949-8-3 Humboldt Salt marshes bordering Humboldt Bay, 2 miles north of Eureka Comment
  CDA41213  Antirrhinum vexillo-calyculatum subsp. breweri E. C. Whitney 1960-9-1 s.n. Humboldt State Highway 96 near Bluff Creek. 0 Comment
  RSA54142  Antirrhinum vexillocalyculatum subsp. breweri H. M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  UC1012378  Antirrhinum vexillocalyculatum subsp. breweri Francis W. Pennell Jul 5 1940-Jul 6 1940 26077 Humboldt 2 to 3 mi s Miranda (Route 101, along Eel River); Eel River 91 Comment
  UC902210  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1948-8-8 18086 Humboldt Iaqua school house; Iaqua 609 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
  HSC98831  Apocynum androsaemifolium Cara Witte 2008-7-11 887 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1641 Comment
  UCSB25082  Apocynum cannabinum Keefe, Joseph 1967-7-8 Humboldt Bank of Ell River, Miranda turnoff, 12.4 miles north of Garberville on U.S. Highway 101 170 Comment
  UC154172  Apocynum cannabinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-29 5896 Humboldt near Requa Comment
  HSC102583  Aquilegia formosa M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1570 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC99426  Aquilegia formosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 75 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UCD95545  Aquilegia formosa H. P. Olmo 1931-6-8 s.n. Humboldt 5 miles north of Trinidad. Comment
  UC492254  Arabidopsis thaliana Joseph P. Tracy 1932-5-17 10091 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC73407  Arabis breweri var. breweri B. Potter, L. Sieburth, Susan Ahrens 1981-4-25 648 Humboldt Horse Mtn., 3.6 mi. S of Hwy. 299 on road to Titlow Ski Area 915 Comment
  HSC53858  Arabis glabra Griswold, Butler 1979-7-10 6329 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC79191  Arabis subpinnatifida D. K. Imper 1984-5-17 Humboldt Sims Mountain 1280 Comment
  UC902020  Arabis subpinnatifida Joseph P. Tracy 1949-7-19 18389 Humboldt Grouse Mountain 1584 Comment
  UCSB26628  Aralia californica Keefe, Joseph 1967-7-8 Humboldt Junction Crannell Road and Little River Drive, north of Eureka 6 Comment
  HSC40527  Aralia californica Thomas W. Nelson, James Nelson 1976-7-28 3059 Humboldt Along Hwy. 36, ca. 4 mi. W of Dinsmore Comment
  RSA24080  Aralia californica C. B. Wolf 1941-3-2 s.n. Humboldt N Coast Range. Bull Creek-Petrolia Road. 12 miles W of Redwood Highway. 457 Comment
  UC154136  Aralia californica H. M. Hall 1899-9 Humboldt Eel R. Comment
  UC1196882  Arbutus menziesii Joseph P. Tracy 1941-3-26 16847 Humboldt w of mouth of South Fork Trinity River 457 Comment
  UC1222643  Arbutus menziesii Joseph P. Tracy 1951-5-20 19401 Humboldt near Ashfield Ridge (Kneeland Prairie); Kneeland Prairie 762 Comment
  UC249508  Arbutus menziesii Joseph P. Tracy 1922-4-30 6004 Humboldt Trinity River Valley near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  SEINET11972424  Arbutus menziesii J. P. Tracy 1951-1 19401 Humboldt near Ashfield Ridge, Kneeland Prairie 762 Comment
  UC1198673  Arctostaphylos Joseph P. Tracy 1937-4-3 15248 Humboldt Willow Creek Trinity River Valley 152 Comment
  SD42342  Arctostaphylos canescens Carl B. Wolf 1937-9-13 9335 Humboldt North Coast Range, Horse Mountain. 1525 Comment
  JEPS109597  Arctostaphylos canescens subsp. canescens Dean W. Taylor 2002-9-12 18339 Humboldt ca. 0.5 mi N of Lake Prairie 1097 Comment
  CAS-BOT-BC23726  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12582 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. Summit of barren ridge 1 mile S. of road. 1219 Comment
  CAS-BOT-BC23731  Arctostaphylos columbiana B. A. Stein 1981-11-1 567 Humboldt US Hwy 101 2 miles north of Patrick Poing 60 Comment
  CAS-BOT-BC23769  Arctostaphylos columbiana Joseph P. Tracy 1932-2-28 9772 Humboldt Around Humboldt Bay 60 Comment
  CHSC35520  Arctostaphylos columbiana Thomas Nelson; James Nelson 1976-3-11 2267 Humboldt Growing on a hillside beside old highway 101 along north side of Table Bluff. Comment
  HSC35750  Arctostaphylos columbiana Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 1994 Humboldt French Camp, Bald Hills. Comment
  JEPS38944  Arctostaphylos columbiana Joseph P. Tracy 1932-2-28 9772 Humboldt around Humboldt Bay; Northern Coast Region, Table Bluff 60 Comment
  JEPS38961  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 Comment
  RSA622683  Arctostaphylos columbiana Jon E. Keeley 1996-10-13 27815 Humboldt Highway 299, east of Lord Ellis Summit, east of Eureka. 700 Comment
  UC549498  Arctostaphylos columbiana J. E. Adams 1935-5-12 1048 Humboldt Patrick's Point Comment
  UC571196  Arctostaphylos columbiana H. L. Mason 1932-7-21 7104 Humboldt Trinidad Head Comment
  UCD50761  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1166 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  UCD50659  Arctostaphylos columbiana var. tracyi Roman Gankin 1965-8-4 541 Humboldt On USAL Road, 23 miles north of junction with State Route 1 and 2.7 miles south of junction of Four Corners. Comment
Read comments
Jul 8 2015
  HSC7629  Arctostaphylos glandulosa Unknown Humboldt 1 mi. W of Queens Rd. 610 Comment
  CAS-BOT-BC39132  Arctostaphylos hispidula Doris K. Kildale; L. B. Kildale 1930-5-11 9529 Humboldt Bald Hills - Wiregrass Prairie 792 Comment
  BLMAR54  Arctostaphylos manzanita Jennifer Anthony-Wheeler 1994-2-14 54 Humboldt King range, growing along KR rd approx 2mi from rd end 228 Comment
  CAS-BOT-BC24475  Arctostaphylos manzanita Walter Knight; Irja Knight 1988-9-5 6362 Humboldt Bald Hill Road about 21.5 mi. from U.S. 101 en route to Hoopa. 929 Comment
  RSA633015  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27812 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 Comment
  CAS-BOT-BC24368  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1942-7-18 17285 Humboldt Garberville. 152 Comment
  CAS-BOT-BC38839  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
  JEPS38948  Arctostaphylos nevadensis Joseph P. Tracy 1934-3-11 13155 Humboldt French Camp Ridge 1066 Comment
  JEPS38953  Arctostaphylos nevadensis Joseph P. Tracy 1927-5-15 8059 Humboldt on road w from Hoopa Valley Hoopa Mt. 914 Comment
  UCD52852  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1172 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  HSC63208  Arctostaphylos patula M. A. Baker 1979-6-6 1010 Humboldt .6 k W of FS Rd. 15N01 on FS Rd. 12N16, towards Bald Mtn. Comment
  UC1198667  Arctostaphylos patula Joseph P. Tracy 1942-9-6 17313 Humboldt along summit near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  CAS-BOT-BC43982  Arctostaphylos uva-ursi Alice Eastwood 1923-8-14 12312 Humboldt Samoa Comment
  UC1173712  Arctostaphylos viscida subsp. viscida Joseph P. Tracy 1939-4-29 16265 Humboldt Orleans 121 Comment
  UCD129123  Arctotheca calendula T. C. Fuller; G. D. Barbe 1989-6-8 4321 Humboldt Larry Pries dairy, 3.4 miles west of Main Street, on Centerville Beach Road, Ferndale. Comment
  CDA36130  Arctotheca prostrata CDFA Staff 1990-8-22 Humboldt Ferndale; Sage Road & Highway 211. 0 Comment
  UCR45350  Arenaria macrophylla Barry Silver 1986-4-23 544 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC1975  Armeria maritima subsp. californica N. D. Dennis, D. E. Anderson 1965-6-8 108 Humboldt Samoa Peninsula along the W side of Humboldt Bay. Comment
  HSC72680  Arnica discoidea J. P. Smith 1977-7-3 9244 Humboldt Road to Onion Mtn., 1/4 mile from its junction with USFS Rd. 10N41 762 Comment
  JEPS20984  Arnica discoidea Joseph P. Tracy 1937-7-2 15398 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  SEINET3098738  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt Trinity Summit. Fir woods near Corral Prairie 1520 Comment
  UC582489  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt near Corral Prairie ((Trinity Summit)); Trinity Summit 1524 Comment
  UC1103324  Arrhenatherum elatius Joseph P. Tracy 1927-7-4 8237 Humboldt North Coast Ranges, Iaqua, Lone Star Creek Lone Star Creek Lone Star Creek; North Coast Ranges, Iaqua, Lone Star Creek 609 Comment
  UC1222996  Artemisia douglasiana Joseph P. Tracy 1950-8-20 19326 Humboldt 8 mi below Orleans (in sandy alluvial wash at Big Bar, near Slate Creek); Klamath River 121 Comment
  CDA10172  Artemisia pycnocephala T. C. Fuller 1961-9-28 7056 Humboldt 1.5 miles south of Samoa. 0 Comment
  POM264517  Artemisia pycnocephala H. E. Parks 1941-08 24186 Humboldt Little River State Park Comment
  UC492191  Aruncus dioicus var. pubescens Joseph P. Tracy 1932-7-18 10807 Humboldt Head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC65686  Asarum caudatum M. A. Baker 1980-6-7 1858 Humboldt Near Ammon Creek 732 Comment
  HSC26878  Asarum caudatum Clifton Raymond Chesbrough 1973-6-19 83 Humboldt .5 mi. S of Trinidad along the coast Comment
  HSC3266  Asarum caudatum D. E. Anderson 1962-3-8 1929 Humboldt E of HSC campus Comment
  SEINET8588609  Asarum caudatum J. D. Freeman, R. F. Freeman 1967-5-7 584 Humboldt Moist low bluff just W of Cal. Hwy 36 and just N of Carlotta. Comment
  CAS-BOT-BC400620  Asarum hartwegii Harley P. Chandler 1901-6-1 1478 Humboldt North Coast Ranges, Klamath River 396 Comment
  HSC56479  Asarum hartwegii Griswold, Butler 1979-7-12 7310 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  SEINET10857354  Asclepias fascicularis R. W. Schery, E. M. Curtis 1939-7-20 Schery 8 Humboldt West of Sequaia 914 Comment
  HSC74315  Aspidotis densa M. A. Baker 1980-7-11 2800 Humboldt Near Red Mtn. 1433 Comment
  UC197913  Aspidotis densa Joseph P. Tracy 1912-7-26 3849 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UCSB48538  Aster David Edwards 1974-8-12 90 Humboldt collected in the S side of 7th street, just W of its overpass of U. S. Highway 101 in Arcata 7th street, U. S. Highway 101 and Arcata 18 Comment
  RSA246785  Aster chilensis R. F. Thorne, Percy C. Everett 1965-8-9 35336 Humboldt Along Hwy 101 about 3 miles N of Eureka; 2 Comment
  BLMAR295  Astragalus pycnostachyus var. pycnostachyus Jennifer Anthony-Wheeler 2002-6-25 295 Humboldt King range, South side Mattole Estuary on riverbank behind dunes 3 Comment
  CAS-BOT-BC193133  Astragalus rattanii var. rattanii Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  UC1197706  Astragalus umbraticus Joseph P. Tracy 1914-7 4575 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mt., betw High Prairie-Snow Camp 1219 Comment
  HSC72620  Asyneuma prenanthoides J. P. Smith 1977-7-3 9236 Humboldt Six Rivers National Forest, on Rd. to Onion Lake, 4.7 mi. from junction with Hwy. 36 610 Comment
  HSC74724  Asyneuma prenanthoides Gail Newton 1981-8-6 2408 Humboldt Near Mad River. 1308 Comment
  SFV18602  Asyneuma prenanthoides T. W. Nelson, J. P. Nelson 1987-6-27 8619 Humboldt Along USFS road to Onion Lake, 8.2 miles from junction with State Route 96. 823 Comment
  UCD66898  Asyneuma prenanthoides Esther Perry 1930-7-11 Humboldt Humboldt State Park. Comment
  POM319593  Athyrium filix-femina subsp. cyclosorum Patricia Wilder 1968-8-21 4383 Humboldt Bog in Big Lagoon park, just west of Highway 101 2 Comment
  RSA23653  Athyrium filix-femina subsp. cyclosorum C. B. Wolf 1939-7-6 9516 Humboldt Along Larabee Creek, 6 7/10 miles below Blocksberg on road to Bridgeville. 305 Comment
  JEPS35144  Athyrium filix-femina var. cyclosorum Lincoln Constance 1934-6-2 785 Humboldt S. Fork Eel River Comment
  HSC66402  Atriplex leucophylla Ruby Van Deventer 1962-5-26 Humboldt Beach at Big Lagoon. 11 Comment
  HSC102945  Avena barbata J. P. Smith 2009-5-30 12598 Humboldt Arcata. Near intersection of Valley West and Giuntoli Road Comment
  UC181262  Avena barbata Joseph P. Tracy 1913-6-13 4114 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River, Dinsmore's 762 Comment
  UC1152027  Avena fatua Joseph P. Tracy 1951-5-26 19510 Humboldt Willow Creek Trinity River Valley, Trinity River 152 Comment
  POM289915  Baccharis douglasii Lyman Benson 1929-7-12 1750 Humboldt Weott Ranger Station; S Fork Eel River. Comment
  UC469067  Baccharis glutinosa John Matthiesen 1908-8-7 Humboldt Loleta Comment
  CAS-BOT-BC99406  Baccharis pilularis Carl B. Wolf 1927-8-29 1219 Humboldt Seacoast, [Devil's] Devils Gate, south of Cape Mendocino Comment
  UC1004331  Baccharis pilularis W. L. Colwell 1954-11-20 20 Humboldt 3 mi e of, along Eel River South Fork Quadrangle 29B4; Eel River 91 Comment
  HSC64185  Barbarea orthoceras J. O. Sawyer, M. A. Ericksen 1979-6-23 3390 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC26745  Barbarea verna Thomas W. Nelson 1973-6-20 Humboldt Bayside Cutoff Comment
  HSC26814  Barbarea verna Thomas W. Nelson 1971-3-30 364 Humboldt Beside Grizzley Bluff Rd. near Ferndale Comment
  CAS-BOT-BC106393  Bellis perennis Ynez Whilton Winblad 1941-5-27 s.n. Humboldt Between Eureka and Orick Comment
  HSC91368  Bellis perennis Collin Dillingham 1989-2-26 3 Humboldt Arcata; corner of 10th and D streets 0 Comment
  RSA114084  Bensoniella oregona R. C. Bacigalupi, Constance, Trqacy, Moran, Rodriguez, Carlquist 1951-6-14 3410 Humboldt High Prairie, on long high ridge between Mad River and Redwood Creek (Bald Mountain ridge) 1067 Comment
  UC1222393  Bensoniella oregona Joseph P. Tracy 1951-6-14 19416 Humboldt e side Snow Camp Meadows; e side of Snow Camp Meadows Comment
  HSC48473  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9934 Humboldt Six Rivers Natl. Forest, along Ishi Pishi Rd., 1.5 mi. from the Ishi Pishi Bridge over the Klamath River 305 Comment
  CAS-BOT-BC75676  Berberis nervosa L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road. Comment
  CAS-BOT-BC75687  Berberis nervosa Carl B. Wolf 1927-8-28 1179 Humboldt 13 miles above Blue Lake on the Lord Ellis Road. Comment
  HSC3354  Berberis nervosa S. Estes 1964-4-25 31 Humboldt May Ranch, 2 mi. N of Bridgeville 305 Comment
  HSC102532  Bistorta bistortoides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1518 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  CAS-BOT-BC66273  Blechnum spicant Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  RSA1505  Blechnum spicant E. R. Johnson 1929-08 1408 Humboldt Arcata Redwood Park Comment
  SD51258  Blechnum spicant Darley F. Howe 1961-8-1 Humboldt 3 mi. N of Arcata on #101. Comment
  HSC70782  Boschniakia strobilacea Gail Newton 1980-7-24 1768 Humboldt Near Somes Mtn. 1615 Comment
  HSC913  Botrychium multifidum D. K. Walker 1968-11-6 Humboldt Clam Beach, old railroad cut below Vista Point lookout on Hwy. 101 about 1.5 mi. S of Trinidad Comment
  UC197916  Botrychium multifidum Joseph P. Tracy 1906-11-4 2551 Humboldt Eureka Northern Coast Region 0 Comment
  HSC75263  Boykinia major J. O. Sawyer, M. A. Ericksen 1980-8-18 4057 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC97981  Boykinia major Cara Witte 2007-7-11 487 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC667105  Boykinia major Joseph P. Tracy 1937-7-25 15537 Humboldt head of Little Hors-Linto Creek Trinity Summit (Trinity Summit); , head of Little Hors-Linto Creek 1371 Comment
  CAS-BOT-BC420257  Boykinia occidentalis Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  UC183558  Boykinia occidentalis Joseph P. Tracy 1913-7-13 4360 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point (on coast terraces) 30 Comment
  HSC37950  Brassica nigra Peter Sorensen 1976-6-16 Humboldt Woodley Island, Humboldt Bay Comment
  CAS-BOT-BC293762  Briza maxima D. H. Wilken; E. L. Painter 2007-6-4 16739 Humboldt Samoa Dunes, ca. 0.4 km W of US Coast Guard Station, North Spit, Humboldt Bay, SW of Eureka 5 Comment
  SEINET3921276  Briza maxima Glenn I. Wilcox 1973-5-26 s.n. Humboldt West shore of freshwater Lagoon.; 0 Comment
  HSC12346  Briza minor Steve Dorei 1970-10-31 137 Humboldt Scotia Bluffs, N of railroad tracks Comment
  HSC48476  Briza minor J. P. Smith, J. O. Sawyer, J. Cole 1978-5-21 9931 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  HSC9091  Briza minor John Warner Hosking 1966-8-5 Humboldt 12th anb B St., Arcata Comment
  UC184146  Briza minor Joseph P. Tracy 1912-6-9 3664 Humboldt Alton; Northern Coast Region 30 Comment
  UC37551  Briza minor Joseph Burtt Davy and Walter C. Blasdale 1899-6-12 5473 Humboldt Elk Prairie Comment
  CAS-BOT-BC145571  Briza minor Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  JEPS5499  Brodiaea stellaris W. I. Follett 1934-5-20 Humboldt 9.6 mi e Bridgeville (beside Fortuna-Red Bluff Hwy (Bridgeville is 23.5 mi w of the Humboldt-Trinity Co. line)) Comment
  JEPS513  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1927-6-8 8111 Humboldt Trinidad 3 Comment
  CAS-BOT-BC149451  Bromus briziformis Henry M. Pollard 1948-7-19 s.n. Humboldt River road near Van Fleet Ranch, near Orleans. Comment
  RSA167289  Bromus carinatus Joseph P. Tracy 1951-6-26 19570 Humboldt Twin Lakes vicinity, Snow Camp and Twin Lakes trip. Comment
  HSC99002  Bromus carinatus var. carinatus Cara Witte 2007-6-28 391 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  UC526864  Bromus carinatus var. carinatus Joseph P. Tracy 1926-5-2 7424 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  SEINET201044 Image available Bromus carinatus var. marginatus Joseph P. Tracy 13982 Humboldt French Camp Ridge 1067 Comment
  HSC32480  Bromus commutatus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5720 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC526931  Bromus commutatus Joseph P. Tracy 1933-6-9 12534 Humboldt North Coast Ranges, on Eel River, Shively Shively; North Coast Ranges, Eel River, Shively 30 Comment
  UCD58456  Bromus commutatus A. H. Murphy 1951-6-13 62 Humboldt 2 miles south of Blocksburg. Tooby and Prior Ranch. Comment
  HSC9293  Bromus diandrus S. J. Hawks 1965-5-18 88 Humboldt In front of Eureka City Airport. Comment
  UC180223  Bromus diandrus Joseph P. Tracy 1913-6-22 4273 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  BLMAR16  Bromus hordeaceus var. racemosus Brad Barr June, 1982 16 Humboldt King range, Johnny jack ridgee-north facing slope Comment
  UC1145162  Bromus orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt Grouse Mountain on Friday Ridge, at Friday's Camp Friday Ridge; Grouse Mountain, , Friday's Camp 1219 Comment
  CAS-BOT-BC185518  Bromus vulgaris Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans. Comment
  HSC74753  Bromus vulgaris Gail Newton 1981-8-6 2396 Humboldt Near Bug Creek 1125 Comment
  RSA259560  Bromus vulgaris D. E. Anderson, J. P. Smith 1971-6-28 J- 1231 Humboldt Growing along Mad River ca. 2 mi. south of Blue Lake. Comment
  UC180218  Bromus vulgaris Joseph P. Tracy 1913-6-21 4253 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  SEINET11092946  Cakile edentula var. edentula Unknown 1940-10-3 16739 Humboldt CALIFORNIA PLANT -- HUMBOLDT COUNTY annual, formign bushy-branched plants 2 ft tall Common on ocean beach, just above high tide. SAND DUNES, NEAR SAMOA, ON HUMBOLDT BAY Altitude 10 feet. Comment
  HSC103973  Cakile maritima C. Reynolds 2015-3-16 18 Humboldt Along Freshwater Beach, due south of the Kuchel Visitor Center 1 Comment
  OBI36381  Cakile maritima David J. Keil 1983-7-1 17284 Humboldt Ca. 5 mi NW of Petrolia along Mattole Rd Comment
  UC1222658  Cakile maritima Joseph P. Tracy 1950-6-8 18753 Humboldt Cape Mendocino, south of point of the Cape Cape Mendocino 3 Comment
  RSA12540  Calamagrostis C. B. Wolf 1934-7-2 5898 Humboldt wet meadow at small lake at Snow Camp. (Mts. east of Korbel) Comment
  RSA10029  Calamagrostis canadensis Joseph P. Tracy 1932-7-14 10553 Humboldt Klamath Mountains; Trinity Summit. Wet Meadow at Corral Prairie 0 Comment
  UC1103289  Calamagrostis canadensis Joseph P. Tracy 1935-7-27 14290 Humboldt McKay Prairie Trinity Summit (along creek) 1584 Comment
  UCD56952  Calamagrostis foliosa A. H. Murphy 1951-5-18 38 Humboldt approx. 1.5 mi. south of Petrolia at bridge corssing, along Mattole River. Comment
  JEPS71173  Calamagrostis nutkaensis W. L. Jepson 1936-8-18 17943 Humboldt Wildcat Ridge Comment
  UC176676  Calandrinia ciliata Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3580 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC161052  Calandrinia ciliata Joseph P. Tracy Jul 27 1908-Jul 30 1908 2810 Humboldt opposite Buck Mountain (in sandy places along river); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1103690  Callitriche heterophylla var. bolanderi Joseph P. Tracy 1916-9-6 4754 Humboldt 4 mi above South Fork of Eel River mouth (about 1 mi w of South Fork of Eel River); Northern Coast Ranges 304 Comment
  UC144094  Callitriche marginata J. P. Tracy 1909-5-23 2975 Humboldt At the Connick Claim, 4 mi SE of Eureka 0 Comment
  CAS-BOT-BC80386  Calocedrus decurrens Doris K. Kildale 1926-8-31 2606 Humboldt Mattole River Valley, Geo. H. Mineis Ranch Comment
  HSC56944  Calocedrus decurrens Overton, Butler 1979-7-23 9433 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  HSC58144  Calocedrus decurrens Gilbert Muth 1979-8-1 12179 Humboldt Near Red Cap Prairie, close to the town of Hoopa 1781 Comment
  HSC76319  Calocedrus decurrens Denis Kearns 1981-7-6 60 Humboldt Near Mosquito Lake 1121 Comment
  HSC98964  Calocedrus decurrens Cara Witte 2007-9-14 648 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1649 Comment
  SBBG28816  Calocedrus decurrens D. K. Kildale 1926-8-15 2522 Humboldt Willow Crk Flat 152 Comment
  UC1198260  Calocedrus decurrens Joseph P. Tracy 1912-8-1 3954 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC488452  Calochortus amabilis Elizabeth Parsons Hawver 1915-6-1 n.s. Humboldt Carlotto Comment
  UC535782  Calochortus amabilis Eleanor Armstrong 1934-5-25 Humboldt n of Redway Comment
  JEPS17771  Calochortus coeruleus W. L. Jepson Jul 16 1902-Jul 23 1902 2035 Humboldt Trinity Summit 2133 Comment
  UC667127  Calochortus coeruleus Joseph P. Tracy 1932-5-10 9931 Humboldt Bear River Ridge 609 Comment
  SEINET4169987  Calochortus pulchellus Unknown 1948-6-13 18050 Humboldt Harris 610 Comment
  HSC100551  Calochortus pulchellus Carl C. Marshall May 1887 479 Humboldt S Humboldt. Comment
  HSC15346  Calochortus tolmiei H. E. Parks, J. P. Tracy 1930-5-25 790 Humboldt Laribee Valley 762 Comment
  HSC36504  Calochortus tolmiei Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1887 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC67180  Calochortus tolmiei Thomas W. Nelson, James Nelson 1980-6-10 5431 Humboldt Along E side of Red Mtn. 1372 Comment
  UC1103463  Calochortus tolmiei Joseph P. Tracy 1935-7-14 14074 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  UC146214  Calochortus tolmiei Joseph P. Tracy 1908-6-8 2624 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC494368  Calochortus tolmiei M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  HSC100613  Caltha leptosepala Carl C. Marshall Jul 1886 333 Humboldt Trinity summit and S. Fork Mtn. Comment
  HSC75826  Caltha leptosepala Bill Copeland 1980-6-26 323 Humboldt Near Snow Camp Lake 1372 Comment
  HSC99483  Caltha leptosepala K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 142 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC176850  Calycadenia fremontii Joseph P. Tracy 1911-7-4 3282 Humboldt near, west side of Trinity River Willow Creek; Northern Coast Ranges, Trinity River 243 Comment
  RSA170258  Calycadenia truncata subsp. scabrella Joseph P. Tracy 1916-9-5 4755 Humboldt Grasshopper Ridge, head of Canoe Creek 610 Comment
  CAS-BOT-BC275366  Calycadenia truncata var. truncata Doris K. Kildale 1925-7-4 982 Humboldt Redwood Creek at [Bern?'s] Comment
  HSC100582  Calypso borealis Carl C. Marshall Apr 1886 198 Humboldt Damp woods. Comment
  HSC30129  Calypso bulbosa A. M. Montalvo, J. D. Ackerman 1974-4-14 170 Humboldt 100 m from intersection with Hwy. 299 along Chezem Rd., just W of Redwood Creek Comment
  HSC99454  Calyptridium monospermum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 106 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
  HSC1977  Calystegia soldanella D. E. Anderson, N. D. Dennis 1965-6-8 103 Humboldt Samoa Peninsula along the W side of Humboldt Bay Comment
  RSA603171  Calystegia soldanella D. D. Keck, Jens Clausen 1935-6-16 3384 Humboldt Mouth of Little River. Comment
  HSC33749  Calystegia soldanella A. M. Montalvo 1975-5-24 287 Humboldt Off Samoa Blvd., across from the boat landing Comment
  UC1046537  Camassia quamash R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3419 Humboldt Ridge between Mad River and Redwood Creek (Bald Mountain, at Snow Camp); Bald Mountain, Snow Camp 1432 Comment
  HSC15437  Camassia quamash subsp. linearis Gerald T. Rood 1962-5-6 17 Humboldt Kneeland Road ca. 1 mi. W of Barry Rd. Comment
  HSC34968  Camassia quamash subsp. linearis Thomas W. Nelson 1975-5-24 1876 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC12428  Camissonia cheiranthifolia Gary J. Stebbins 1970-4-18 69 Humboldt Along Rd. to Samoa, 1.1 mi. S of Mad River Slough bridge Comment
  RSA245215  Camissonia cheiranthifolia subsp. cheiranthifolia T. M. Mingo 1965-05 s.n. Humboldt Clam Beach Comment
  CAS-BOT-BC160237  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Doris K. Kildale 1925-9-28 1356 Humboldt Samoa Peninsula Comment
  RSA456172  Campanula prenanthoides Anstruther Davidson 1918-07 3350 Humboldt Eel River. Comment
  SEINET10462992  Campanula prenanthoides Tracy 1914-9-6 TRACY 4623 Humboldt Bald Mountain, between High Prairie and Snow Camp 1067 Comment
  SEINET10463063  Campanula prenanthoides Van Dke 1931-6-30 VAN DYKE s.n. Humboldt WILLOW CREEK Comment
  SEINET10463344  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt HOOPA VALLEY Comment
  SEINET10873254  Campanula prenanthoides Rogers McVaugh 1941-8-3 McVaugh 6214 Humboldt 3.5 miles south of Garberville, steep shaly roadside bank, in woods Comment
  SEINET10463746  Campanula scouleri Newton 1981-7-23 Newton 2280 Humboldt Pilot Creek quadrangle; near Bug Creek Butte, streamside. 1350 Comment
  SD61053  Campanula scouleri Darley F. Howe 1964-8-7 3944 Humboldt 8.2 miles from Highway 96 on Mill Creek Road; Hoopa Valley. 1064 Comment
  JEPS79826  Cardamine angulata Joseph P. Tracy 1928-4-29 8425 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  CAS-BOT-BC37425  Cardamine californica Doris K. Kildale 1929-4-27 7444 Humboldt Lord Ellis road near Bald Mountain junction. (road to Willow Creek). Comment
  HSC49217  Cardamine californica J. O. Sawyer 1977-4-23 2842 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC89491  Cardamine californica P. A. Daly 1986-2-28 61 Humboldt Trinidad Head, along trail 61 Comment
  UC1199188  Cardamine californica Joseph P. Tracy 1918-4-21 4878 Humboldt on road to Kneeland Prairie (around Humboldt Bay); Northern Coast Ranges, around Humboldt Bay 152 Comment
  UCD114184  Cardamine californica Joseph M. DiTomaso 1976-3-28 358 Humboldt just east of summit on Highway 299, 8 miles west of Willow Creek. 762 Comment
  SEINET11196228  Cardamine californica L. E. Detling 1935-4-20 1643 Humboldt Redwood Flat, 1 mile N of Dyerville. Comment
  RSA734791  Cardamine californica var. cardiophylla LeRoy E. Detling 1935-4-20 1642 Humboldt Lansdale Grove of Redwoods. Comment
  CHSC499  Cardamine californica var. sinuata G. Spurlock 1935-3-9 Humboldt Van Duzen river. Comment
  UC249682  Cardamine californica var. sinuata Joseph P. Tracy 1921-3-20 5426 Humboldt 12 mi e Hydesville (Van Duzen River at Blue Slide); Northern Coast Ranges, Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC37217  Cardamine hirsuta M. S. Jussel 1931-5-2 s.n. Humboldt 8 miles north of Garberville. Comment
  HSC6641  Cardamine oligosperma Gerald T. Rood 1962-5-11 3 Humboldt Kneeland Rd., 0.25 mi. E of Barry Rd. Comment
  CAS-BOT-BC384768  Cardionema ramosissimum Ira L. Wiggins 1930-7-11 4687 a Humboldt Sand dunes near Samoa Comment
  UC1222955  Carduus tenuiflorus Joseph P. Tracy 1950-6-8 18740 Humboldt on s side of Cape Ridge; Bear River, Capetown, Cape Ridge 30 Comment
  HSC5226  Carduus tenuiflorus D. E. Anderson 1963-5-25 2487 Humboldt 1 mi. N of Capetown Comment
  POM296860  Carex Lyman Benson 1929-7-16 1843 Humboldt Weott Ranger Station. Comment
  JEPS63768  Carex amplifolia Joseph P. Tracy 1914-7-4 4530 Humboldt edge of Murphy's Meadow Bald Mountain, High Prairie, Murphy's Meadow 1066 Comment
  UC1222466  Carex amplifolia Joseph P. Tracy 1948-9-5 18193 Humboldt less than one mile s Grizzly Camp (head of Little Hors-Linto Creek); Trinity Summit, Little Hors-Linto Creek 1341 Comment
  JEPS109914  Carex arcta Dean W. Taylor 2006-8-3 19573 Humboldt Lake Prairie; marshy area between the dam and the county road 1057 Comment
  UC562279  Carex arcta Joseph P. Tracy 1934-7-13 13389 Humboldt Dow's Prairie 60 Comment
  CAS-BOT-BC18075  Carex athrostachya Joseph Prince Tracy 1935-7-23 14140 Humboldt Trinity Summit. Corral Prairie. 1584 Comment
  UC562630  Carex athrostachya Joseph P. Tracy 1935-7-27 14306 Humboldt Trinity Summit, open places at McKay Prairie 1584 Comment
  POM273208  Carex barbarae Henry M. Pollard s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC19214  Carex barbarae Joseph Prince Tracy 1934-8-14 13587 Humboldt North Coast Ranges. South Fork of Eel River, between Miranda and Redway. 91 Comment
  RSA244324  Carex barbarae Larry E. DeBuhr 1973-4-23 989 Humboldt Richardson Grove Redwood State Park. 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
  UC562712  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt on ridge 2 mi sw top; Salmon Summit 1767 Comment
  HSC45391  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1978-7-2 4404 Humboldt Off FS 2S08 near Pine Mtn., road to Lost Lake 1463 Comment
  RSA246847  Carex buxbaumii Robert F. Thorne, Percy C. Everett 1965-8-9 35293 Humboldt Big Lagoon. 3 Comment
  HSC71669  Carex concinnoides Gail Newton 1980-6-16 200 Humboldt Near Onion Mtn. 1280 Comment
  UC303016  Carex concinnoides Joseph P. Tracy 1926-5-2 7447 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
  CHSC82138  Carex cusickii Gordon Leppig 2001-6-16 1569 Humboldt North Coast Region; coastal wetlands. Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  HSC34955  Carex densa Thomas W. Nelson 1975-5-24 1866 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1115813  Carex densa Joseph P. Tracy 1938-6-9 15877 Humboldt Dobbyn Creek 152 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
  UC1103113  Carex deweyana subsp. leptopoda Joseph P. Tracy 1937-6-20 15344 Humboldt 10 mi up stream mouth of Bear River; Bear River 152 Comment
  CHSC85975  Carex echinata subsp. phyllomanica L. P. Janeway 2003-7-30 7943 Humboldt High North Coast Ranges. High North Coast Ranges. White Rock Spring, just above Clear Lake, on southwest side below Titlow Hill Road, 2.9 km southeast of Titlow Hill. 1512 Comment
  POM224512  Carex exsiccata H. C. Cantelow 1936-5-18 s.n. Humboldt 8 miles NE of Orick. Comment
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Jan 20 2011
  CAS-BOT-BC19966  Carex exsiccata Joseph Prince Tracy 1934-8-14 13574 Humboldt North Coast Ranges. Alton; Along Van Duzen River. 30 Comment
  JEPS25967  Carex globosa Joseph P. Tracy 1932-4-23 9832 Humboldt Englewood North Coast Ranges, Englewood 91 Comment
  CAS-BOT-BC22313  Carex harfordii Joseph Prince Tracy 1935-6-8 13936 Humboldt Eureka. 60 Comment
  JEPS25973  Carex harfordii Joseph P. Tracy 1935-6-8 13938 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC21751  Carex hassei Joseph Prince Tracy 1927-4-23 7917 Humboldt Big Lagoon. 6 Comment
  CAS-BOT-BC21017  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at south fork of the Eel River. Comment
  RSA214832  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  UC562335  Carex hoodii Joseph P. Tracy 1932-7-11 10410 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC203892  Carex leptalea Joseph P. Tracy 1918-7-21 5086 Humboldt Northern Coast Ranges, around Humboldt Bay, Humboldt Hill Humboldt Hill; Northern Coast Ranges, Humboldt Bay, Humboldt Hill 91 Comment
  CAS-BOT-BC31466  Carex leptopoda Joseph Prince Tracy 1935-6-8 13937 Humboldt Eureka. 60 Comment
  HSC91619  Carex leptopoda E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC48039  Carex leptopoda D. H. Norris 1972-6-26 23032 Humboldt Along Grouse Mtn. Rd., 5 mi. from intersection with Horse Mtn. Rd. Comment
  HSC48371  Carex leptopoda D. H. Norris May 1970 12464 Humboldt Gold-Bluff Beach, Prairie Creek Redwoods State Park Comment
  HSC71214  Carex lyngbyei Thomas W. Nelson, Doris K. Niles 1979-5-19 4695 Humboldt Tidal marsh at mouth of Eel River, Crab Park, N of County Park. Comment
  JEPS79958  Carex mariposana Joseph P. Tracy 1936-6-17 14954 Humboldt lower foothills of nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  HSC73962  Carex multicaulis Gail Newton 1980-6-7 126 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC32135  Carex multicaulis George Ledyard Stebbins; J. P. Tracy 1942-6-2 3480 Humboldt Head of Yager Creek near Yager, rich soil of moist woods. Comment
  HSC102227  Carex multicostata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1148 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  HSC70849  Carex multicostata M. A. Baker 1980-6-7 1826 Humboldt Near Ammon Creek 732 Comment
  UC562668  Carex multicostata Joseph P. Tracy 1928-6-24 8465 Humboldt Valley of South Yager Creek 762 Comment
  UCR45817  Carex nudata L. P. Janeway 1983-7-23 439 Humboldt Forks of Salmon Q., East side of Klamath River at Ike's Falls River Access, c. 5 mi north of Orleans. 147 Comment
  HSC70472  Carex nudata J. P. Tracy 1911-6-4 3220 Humboldt Along Little River, 5 mi. from coast 122 Comment
  SEINET10850491  Carex nudata Harley P. Chandler Chandler 1235 Humboldt Redwood Belt. Comment
  CHSC23307  Carex obnupta Robert F. Thorne; P. Everett 1965-8-7 35199 Humboldt Big Lagoon; at edge of bog at S end of lagoon. 1 Comment
  HSC104459  Carex obnupta Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-27 28 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC76817  Carex obnupta L. P. Janeway 1982-6-12 5 Humboldt Dry Lagoon 3 Comment
  HSC86478  Carex obnupta Rudolf W. Becking 1988-4-9 Humboldt South Spit, opposite Fields Landing Comment
  SDSU11682  Carex obnupta D. F. Howe 1961-8-1 Humboldt 3 miles north of Arcata on #101 Comment
  UC562319  Carex obnupta Joseph P. Tracy 1934-7-13 13381 Humboldt North Coast Ranges, Arcata Bottom Arcata Bottom; North Coast Ranges, Arcata Bottom 15 Comment
  CAS-BOT-BC119225  Carex pachystachya Joseph Prince Tracy 1935-6-23 13984 Humboldt French Camp Ridge. 1066 Comment
  SEINET8989726 Image available Carex pachystachya A. L. Hipp 1999-1 443 Humboldt Whitlow - 10.2 mi from intersection of 101 and Elk Creek Road on Dyerville Loop Road. Comment
  CAS-BOT-BC119223  Carex pachystachya Joseph Prince Tracy 1928-6-24 8465 Humboldt Valley of South Yager Creek. 762 Comment
  POM301859  Carex pachystachya Joseph P. Tracy 1938-6-15 15934 Humboldt Vicinity of Carlotta. 30 Comment
  SEINET10817662  Carex pachystachya Lawrence P. Janeway 1984-6-17 Janeway 847 Humboldt Willow Creek quad (15'). T6N, R4E, NW1/4 of sec. 33. Damp drainage along cutbank of Titlow Hill Rd at turn to Horse Mtn. Serpentine in jeffrey pine forest. 1420 Comment
  HSC32420  Carex pansa Rudolf W. Becking 1974-6-15 Humboldt Between Samoa and Fairhaven, W of connecting road Comment
  SEINET11635019  Carex pansa L. P. Janeway 1987-1 2537 Humboldt vicinity of Eureka, North Spit of Humbolt Bay near SE corner of Eureka City Airport 3 Comment
  CAS-BOT-BC118010  Carex rossii Joseph Prince Tracy 1935-6-23 13976 Humboldt French Camp Ridge. 1066 Comment
  SDSU11677  Carex stipata W. A. Bemis 1964-5-4 273 Humboldt Freshwater Forest, Freshwater. (SE1/4, SE1/4, Sec. 28, T6N R1E HBM 98 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
  SEINET7486520 Image available Carex subbracteata Peter F. Zika 2009-6-16 24497 Humboldt bove Chezen Road, at junction with Route 299, Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits 150 Comment
  SEINET7577056 Image available Carex subbracteata Andrew L. Hipp 1999-5-31 448 Humboldt Blocksburg, 1/8 mi N of the Blocksburg Dump, Alder Pt Road. 503 Comment
  UC562655  Carex subbracteata Joseph P. Tracy 1935-5-24 13811 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC102154  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1062 Humboldt Patterson Meadows 1555 Comment
  HSC102158  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1066 Humboldt Patterson Meadows 1555 Comment
  JEPS63534  Carex tumulicola W. L. Jepson 1932-8-9 16535 Humboldt Bull Creek 106 Comment
  UC1103085  Carex unilateralis Joseph P. Tracy 1928-6-24 8471 Humboldt valley of South Yager Creek 762 Comment
  SEINET10751219  Carex unilateralis Joseph P. Tracy 1930-6-15 Tracy 8756 Humboldt Dobbyn Creek, bordering a pond. 152 Comment
  CAS-BOT-BC115286  Carex utriculata Joseph Prince Tracy 1932-7-14 10563 Humboldt Trinity Summit, Corral Prairie in wet meadow. Comment
  UC1103618  Carex vesicaria Joseph P. Tracy 1937-7-29 15693 Humboldt McKay Camp South Fork Mountain 1676 Comment
  SEINET10750362  Carex viridula Harold E. Parks Parks 5214 Humboldt Abundant in center of Dry Lagoon, south of Orick, Humboldt County. Comment
  UC665690  Carex viridula var. viridula H. E. Parks September 1935 5214 Humboldt s Orick (in center of Dry Lagoon) 0 Comment
  CDA6950  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
  CAS-BOT-BC249131  Castilleja affinis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's [Patricks] Point State Park Comment
  JEPS15614  Castilleja affinis subsp. litoralis Rimo Bacigalupi with G. Thomas Robbins and C. L. Custer 1954-8-11 4758 Humboldt 1.2 mi s Trinidad Comment
  UCSB26617  Castilleja ambigua Havlik, Neil 1968-8-21 Humboldt Samoa, west of Eureka Comment
  HSC32442  Castilleja ambigua subsp. humboldtiensis Linda M. Barker 1974-4-14 143 Humboldt South G St., Arcata 0 Comment
  HSC90966  Castilleja ambigua subsp. humboldtiensis Gail Newton 1982-6-5 3575 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC56121  Castilleja applegatei G. L. Clifton, Griswold 1979-8-1 11903 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  JEPS3826  Castilleja applegatei subsp. martinii Joseph P. Tracy 1932-5-22 10118 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  CHSC32837  Castilleja attenuata Lora L. Anderson 1981-4-26 18 Humboldt Ca. 1.5 mi ne of Redwood creek 4.5 mi n of 299 w 18 mi ne of Arcata. 228 Comment
  JEPS9969  Castilleja attenuata Lincoln Constance 1934-6-19 916 Humboldt near Grasshopper Peak summit; South Fork Eel River, Bull Creek Region 914 Comment
  UC168996  Castilleja attenuata Mrs. M. H. Manning May 1902 Humboldt Hupa Comment
  JEPS76196  Castilleja exserta subsp. latifolia T. I. Chuang with Fei-Mei Chuang 1977-7-19 7625 Humboldt about 3 mi n Samoa; Manila Comment
  RSA167244  Castilleja litoralis Joseph P. Tracy 1950-6-8 18749 Humboldt Bear River Ridge, south slope near Capetown. Cape Ridge. One mile east of Cape Mendocino. 152 Comment
  HSC20582  Castilleja pruinosa P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  UC199407  Castilleja pruinosa P. E. Goddard 1907-6-5 . 115 Humboldt Van Duzen Comment
  UC1222459  Castilleja rubicundula subsp. lithospermoides H. E. Parks and Joseph P. Tracy 1930-5-25 8723 Humboldt near Bridgeville 182 Comment
  HSC79430  Castilleja wightii Kenneth Clark 1980-6-14 670 Humboldt Western slope of Dead Man's Gulch 145 Comment
  HSC101665  Ceanothus foliosus var. foliosus J. P. Smith, J. O. Sawyer 2011-4-23 13126 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  JEPS82328  Ceanothus gloriosus var. exaltatus Roger Raiche 1983-7-18 30530 Humboldt 2.4 mi n rd to Shelter Cove (along King Peak Rd); King Range Comment
  CAS-BOT-BC50056  Ceanothus incanus Carl B. Wolf 1927-8-30 1243 Humboldt Paradise, 5 or 6 mi. N. of Ettersburg Comment
  HSC37053  Ceanothus incanus R. Sutherland 1975-5-26 1 .26575 Humboldt 305 Comment
  UC1174846  Ceanothus incanus P. C. Everett and E. K. Balls 1959-10-26 23977 Humboldt 6 mi se Honeydew (on Old Coast Rd to Ettersburg) 518 Comment
  CAS-BOT-BC63684  Ceanothus integerrimus Harley P. Chandler 1901-6-1 1338 Humboldt Hupa Indian Reservation. 152 Comment
  HSC18291  Ceanothus integerrimus L. D. Napier 1962-5-13 4 Humboldt 10 mi W of Junction City near Hwy. 299 457 Comment
  CAS-BOT-BC51211  Ceanothus parryi Carl B. Wolf 1941-7-27 11086 Humboldt N. Coast Ranges, 5.8 mi. W. Maple Creek on Rd. Freshwater 609 Comment
  HSC18310  Ceanothus parryi P. J. Zinke 1950-8-25 158 Humboldt Salmon Creek 3 mi W of Miranda 91 Comment
  HSC37084  Ceanothus parryi R. Sutherland 1975-5-30 4 .30575 Humboldt 320 Comment
  HSC23293  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1294 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  UC902165  Ceanothus pumilus Joseph P. Tracy 1946-5-4 17526 Humboldt along Trinity Highway (Willow Creek Canyon); Willow Creek Canyon 609 Comment
  RSA77347  Ceanothus thyrsiflorus F. W. Peirson 1926-7-12 70431 Humboldt Orick Comment
  UC1071396  Ceanothus thyrsiflorus A. E. Wieslander 1931-5-22 220 Humboldt near Briceland; Briceland Quad. Comment
  UC176985  Ceanothus thyrsiflorus Joseph P. Tracy 1912-7-23 3800 Humboldt 5 mi above the mouth South Fork Eel River; Northern Coast Ranges, along South Fork Eel River 30 Comment
  SBBG116556  Ceanothus thyrsiflorus var. thyrsiflorus D. H. Wilken 2003-7-22 16177 Humboldt ca. 0.9 linear km SW of Capetown and Bear River 150 Comment
  HSC37061  Ceanothus velutinus R. Sutherland 1975-6-19 0 .19675 Humboldt 320 Comment
  UC1198027  Ceanothus velutinus Joseph P. Tracy 1913-7-20 4374 Humboldt Near Three Creeks 1066 Comment
  UC604648  Centaurium erythraea Joseph P. Tracy 1938-7-18 16085 Humboldt 4 mi se Arcata; Fickle Hill 365 Comment
  JEPS46930  Centaurium muehlenbergii Lincoln Constance 1934-6-4 820 Humboldt Bull Creek road to Dyerville (Look Prairie); South Fork Eel River, Bull Creek Region, Look Prairie Comment
  HSC73744  Cephalanthera austiniae M. A. Baker 1980-7-15 2932 Humboldt Near Whiting Ridge 1341 Comment
  UC161036  Cerastium arvense Joseph P. Tracy 1909-8-1 3067 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC4111  Cerastium fontanum subsp. vulgare Richard Steele 1962-5-2 24 Humboldt .25 mi. W of HSC campus 15 Comment
  RSA18059  Cerastium glomeratum C. B. Wolf 1927-8-22 797 Humboldt Big Lagoon. Comment
  UCSB1850  Cerastium glomeratum Parks, H.; Parks, S. 1944-04 Humboldt Spruce Cove, Trinidad 60 Comment
  HSC99051  Chamaecyparis lawsoniana Cara Witte 2008-6-27 772 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1365 Comment
  UC505109  Chamerion angustifolium subsp. circumvagum Joseph P. Tracy 1932-7-17 10664 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit 1676 Comment
  UC1197019  Chamerion angustifolium subsp. circumvagum Joseph P. Tracy 1934-7-7 13307 Humboldt Elk River Valley 30 Comment
  UCSB30589  Chamerion angustifolium subsp. circumvagum Edwards, David 1974-8-14 Humboldt S. side of dirt road, ca. 1/2-3/4 mi. in on dirt road from jct. with Fickle Hill Rd., ca. 5 mi. E. of jct. of Fickle Hill Rd. and Park Ave., Arcata Comment
  UC1481862  Cheilanthes gracillima Milo S. Baker 1926-7-13 10 a-26 Humboldt 1/2 mi along Forest Rd from Hwy S Fork Mt Comment
  UC55948  Chenopodium album J. P. Tracy 1903-8-4 1927 Humboldt Immediate vicinity of Eureka 0 Comment
  HSC76597  Chimaphila menziesii Teresa Prendusi 1981-7-9 199 Humboldt Near Cedar Camp. 1268 Comment
  CAS-BOT-BC451498  Chimaphila umbellata L. B. Kildale 1930-9-9 10403 Humboldt Bald Mountain 914 Comment
  UC154039  Chimaphila umbellata Joseph P. Tracy 1908-6 2879 Humboldt opposite Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  UC412888  Chimaphila umbellata Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  JEPS61591  Chlorogalum pomeridianum var. pomeridianum Lincoln Constance 1934-6-12 866 Humboldt Bull Creek Road and n bank South Fork Eel River (Bull Creek Region, Dyerville); Bull Creek Region, N bank South Fork Eel River, Dyerville Comment
  UCD123795  Chloropyron maritimum subsp. palustre Malcolm A. Nobs; S. Galen Smith 1949-8-3 1200 Humboldt bordering Humboldt Bay, about 2 miles north of Eureka. Comment
  POM289618  Chrysanthemum leucanthemum Lyman Benson 1928-7-10 421 Humboldt Hills at Fortuna; Seaward N Coast Mt. Range, Mouth of Eel River 30 Comment
  CAS-BOT-BC30124  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-30 13036 Humboldt Northern Coast Ranges. Grouse Mountain 1524 Comment
  CAS-BOT-BC36487  Chrysolepis chrysophylla Carl B. Wolf 1930-10-30 1786 Humboldt Old Coast Road - at Thorn 304 Comment
  CAS-BOT-BC36476  Chrysolepis chrysophylla var. minor Joseph P. Tracy 1934-8-29 13641 Humboldt Northern Coast Ranges. South Fork Mountain, along summit near Blake lookout 1706 Comment
  SD58271  Cicuta douglasii W. L. Jepson 1936-8-17 17930 Humboldt Marsh south of Salmon Creek Comment
  SEINET12189144  Circaea alpina subsp. pacifica H. P. Chandler 1901-1 1404 Humboldt Klamath River 366 Comment
  CAS-BOT-BC284407  Cirsium arvense L. R. Abrams 1916-7-11 6034 Humboldt Mouth of Grizzley Creek on Van Duzen River Comment
  HSC91922  Cirsium arvense E. Mackey 1986-7-21 Humboldt Patricks Point State Park; Palmer's Point Comment
  HSC40773  Cirsium brevistylum Thomas W. Nelson 1976-7-9 3014 Humboldt Along S.R. 36 just E of Heley Creek Comment
  UC175439  Cirsium occidentale var. candidissimum Joseph P. Tracy 1912-7-26 3854 1/2 Humboldt Kneeland Prairie North Coast Ranges, Kneeland Prairie 762 Comment
  UC302187  Cirsium remotifolium Joseph P. Tracy 1926-7-5 7740 Humboldt Iaqua Northern Coast Ranges, Iaqua 609 Comment
  CAS-BOT-BC288718  Cirsium remotifolium Doris K Niles 1948-7-26 4 Humboldt Eel River bottom, A. D. Niles Field Comment
  RSA167261  Cirsium remotifolium var. rivulare Joseph P. Tracy 1947-6-8 17711 Humboldt Carlotta; open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  HSC74679  Cirsium vulgare Gail Newton 1981-8-6 2397 Humboldt Near Humbug Creek 1256 Comment
  CAS-BOT-BC228799  Cistanthe umbellata Doris K. Kildale 1927-7-22 3807 Humboldt Lassecks Peaks - Coral [Corral] Goat Camp 1661 Comment
  UC1196991  Clarkia amoena Joseph P. Tracy 1925-5-30 7029 Humboldt Laribee Valley Northern Coast Ranges 701 Comment
  UC1222856  Clarkia amoena Joseph P. Tracy 1950-6-18 18846 Humboldt hills between ocean and Petrolia; Domingo Hill Comment
  CAS-BOT-BC160964  Clarkia amoena subsp. amoena Peter H. Raven; R. Snow 1958-7-21 13656 Humboldt 7.2 miles north-west of Capetown on road to Ferndale Comment
  CAS-BOT-BC160966  Clarkia amoena subsp. amoena Alice Eastwood 1921-7-21 10663 Humboldt [Vanduzen] Van Duzen River, along the road Comment
  CAS-BOT-BC161036  Clarkia amoena subsp. amoena S. K. Harris 1936-6-25 s.n. Humboldt On south side of Domingo Gulch on road from Petrolia to Cape Mendocino 30 Comment
  JEPS43650  Clarkia amoena subsp. huntiana W. L. Jepson 1902-7-1 1970 Humboldt near Berry's Ranch; Redwood Creek Comment
  CAS-BOT-BC164176  Clarkia concinna M. S. Jussel 1931-5-2 s.n. Humboldt Near Garberville Comment
  UC1222852  Clarkia concinna Joseph P. Tracy 1950-7-2 18967 Humboldt 6 mi ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC32093  Clarkia concinna subsp. concinna D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5700 Humboldt McKeown Ranch, N of Dinsmore Comment
  CHSC52939  Clarkia davyi L. P. Janeway 1984-5-16 792 Humboldt On the North Spit of Humboldt Bay; on the west side of Samoa Rd ca 1/4 mile north of the boat ramp. 3 Comment
  HSC78965  Clarkia davyi L. P. Janeway 1984-5-16 792 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 3 Comment
  UC162342  Clarkia davyi Joseph P. Tracy 1911-6-25 3256 Humboldt bluffs back of Bucksport (region about Humboldt Bay); Northern Coast Region 0 Comment
  HSC37508  Clarkia gracilis J. D. Ackerman, A. M. Montalvo 1975-6-22 487 Humboldt 6.4 mi. W of Dinsmore, Hwy. 36 Comment
  UC183772  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1912-7-31 3907 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Burr Valley 1066 Comment
  RSA0060033  Clarkia gracilis subsp. sonomensis Harlan Lewis, M. Lewis 1947-6-13 423 Humboldt Highway 36 at South Fork of Van Duzen River (Bridge 4-119) Comment
  UC144077  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1908-6 2679 Humboldt nw slope Buck Mountain; Northern Coast Ranges 609 Comment
  UC505118  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
  UC314618  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1923-7-4 6527 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC562526  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1936-6-10 14924 Humboldt mountain slopes w of mouth South Fork of Trinity River 457 Comment
  HSC43847  Clarkia purpurea subsp. viminea Maralyn O'Meara 1974-7-17 556 Humboldt Kneeland Comment
  CAS-BOT-BC172391  Clarkia purpurea subsp. viminea S. K. Harris; J. P. Tracy 1936-6-10 3277 Humboldt Hills west of the South Fork of the Trinity River near its mouth 640 Comment
  UC162625  Clarkia rhomboidea Joseph P. Tracy 1911-7-12 3520 Humboldt along road between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  CAS-BOT-BC439123  Claytonia exigua subsp. exigua Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC73821  Claytonia lanceolata M. A. Baker 1980-7-19 3035 Humboldt Near Bret Hole. 1814 Comment
  UC184791  Claytonia parviflora subsp. parviflora Joseph P. Tracy 1913-6-13 4095 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in valley of Van Duzen River); Northern Coast Ranges 762 Comment
  HSC26366  Claytonia perfoliata T. O. Osborne 1970-4-5 82 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC17681  Claytonia perfoliata S. R. Johnson 1965-3-28 24 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC40905  Claytonia perfoliata subsp. intermontana J. O. Sawyer 1970-4-24 2191 Humboldt Along FS Rd. 7N04 at Cedar Creek below Groves Prairie Comment
  HSC98515  Claytonia rubra subsp. rubra Cara Witte 2007-5-8 6 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  UC183592  Claytonia saxosa Joseph P. Tracy 1913-6-17 4185 Humboldt near Buck Mountain summit (between the first and second peaks of Buck Mountain); Northern Coast Ranges, Buck Mountain 1676 Comment
  UC1215540  Claytonia sibirica D. E. Anderson 1962-3-8 1930 Humboldt e of Humboldt State University Comment
  UC162973  Claytonia sibirica Joseph P. Tracy 1911-6-4 3212 Humboldt 5 mi from coast Little River (along Little River); Northern Coast Region 121 Comment
  UC852101  Claytonia sibirica Elizabeth Parsons Hawver Jun 1915 Humboldt Carlotta Comment
  HSC17733  Claytonia sibirica E. W. Styskel 1963-5-16 31 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 290 Comment
  HSC17736  Claytonia sibirica P. W. Shields Jul 1955 Humboldt 1/2 mi. S of Weott Comment
  HSC97175  Claytonia sibirica Erin Lonergan, Benjamin Hart 2007-6-13 8 Humboldt 1 mi. E of FS Rd. NF1 on FS Rd. 5N04 1524 Comment
  UC418984  Claytonia sibirica H. E. Parks May 1930 742 Humboldt Upper Van Duzen River Comment
  UC1173720  Clematis lasiantha Joseph P. Tracy 1939-4-29 16229 Humboldt bluffs opposite mouth of Hors-Linto Creek (Trinity R.); Trinity R. 152 Comment
  UC1134574  Clintonia andrewsiana A. E. Wieslander 1931-5-17 194 Humboldt Orick-Orleans Road Comment
  UC582462  Collinsia grandiflora Joseph P. Tracy 1930-6-21 8781 Humboldt Larrabee Valley; North Coast Ranges; Larrabee Valley 701 Comment
  BLMAR643  Collinsia linearis Jennifer Wheeler 2011-6-29 643 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  HSC20635  Collinsia linearis D. E. Anderson 1965-6-1 3777 Humboldt Along Ridge Rd., about 7 mi. NE of its Jct. with Titlow Hill Rd. Comment
  HSC97222  Collinsia linearis Kiera A. Freeman, Heather J. Perry 2007-6-11 3 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1372 Comment
  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
  UC582447  Collinsia torreyi var. wrightii Joseph P. Tracy 1935-7-28 14314 Humboldt Trinity Summit, Head of Devils Hole Head of Devils Hole; Trinity Summit, Head of Devils Hole 1828 Comment
  HSC74418  Collomia grandiflora Gail Newton 1980-8-10 2040 Humboldt Near Blake Mtn. 1707 Comment
  UC908726  Collomia grandiflora Joseph P. Tracy 1932-7-13 10501 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  CHSC40066  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Roadside banks, Fickle Hill Road to Boynton Prairie, SN 2 E. 600 Comment
  HSC58012  Collomia heterophylla G. L. Clifton 1979-7-31 11810 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC52647  Collomia heterophylla Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  RSA21450  Collomia heterophylla C. B. Wolf 1937-8-13 9214 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC133645  Collomia heterophylla Joseph P. Tracy 1909-7-31 3046 Humboldt on gravelly hillside Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS26241  Collomia tracyi Joseph P. Tracy 1927-6-12 8161 Humboldt Horse Mountain Northern Coast Ranges (in slide rock) 1066 Comment
  UC978530  Collomia tracyi Joseph P. Tracy 1939-8-5 16373 Humboldt sand bars along river Van Duzen River, Dinsmore's 737 Comment
  HSC36297  Comarum palustre Dana A. Page 1973-11-24 Humboldt Crannell Rd. 0.5 mi. E of Hwy. 101, McKinleyville Comment
  CAS-BOT-BC286025  Conyza canadensis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC16586  Corallorhiza maculata Doris K. Kildale 1926-5-2 1845 Humboldt Bald Mtn. road, between Bald Mtn. House and junction of Redwood Creek Road. Comment
  UC1196453  Corallorhiza maculata Joseph P. Tracy 1926-5-15 7497 A Humboldt near Ashfield Butte; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC16583  Corallorhiza mertensiana Doris K. Kildale 1926-5-2 1846 Humboldt Bald Mtn. road, between Bald Mtn. House and junction of Redwood Creek Road. Comment
  HSC48977  Cordylanthus maritimus subsp. palustris Jim Bartel 1979-7-17 Humboldt Tributary to Butcher's Slough, within proposed Arcata Marsh Enhancement Project, adjacent to Northwestern Pacific Railroad. Comment
  CAS-BOT-BC101150  Corethrogyne filaginifolia Joseph P. Tracy 1938-7-15 16059 Humboldt fields at Bucksport, at Eureka 6 Comment
  UC725642  Corethrogyne filaginifolia A. A. Heller 1924-7-23 13874 Humboldt Little River Comment
Read comments
Sep 29 2006
  CAS-BOT-BC212008  Cornus nuttallii C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC56975  Cornus nuttallii Overton, Butler 1979-7-23 9509 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC205636  Cornus nuttallii Joseph P. Tracy 1919-9-14 5213 Humboldt near its mouth Willow Creek - Northern Coast Ranges, Willow Creek (a tributary of Trinity) Comment
  CAS-BOT-BC210539  Cornus sessilis Doris K. Kildale 1927-7-3 3631 Humboldt Willow Creek Flat 152 Comment
  HSC70401  Cornus sessilis M. A. Baker 1980-6-7 1844 Humboldt Near Ammon Creek 732 Comment
  RSA273346  Cornus sessilis J. P. Smith, J. O. Sawyer, Smith 1976-5-2 8619 Humboldt 3.7 miles north of junction with State Route 299 on State Route 96. 61 Comment
  RSA0019464  Cornus sessilis F. W. Peirson 1932-7-7 10262 Humboldt Willow Creek, a few miles above the town of that name. Comment
  HSC12552  Coronopus didymus D. La Conte 1970-10-11 18 Humboldt Comment
  UC1103505  Corylus californica Joseph P. Tracy 1909-8-29 3080 Humboldt Humboldt Hill, N side Northern Coast Region, region about Humboldt Bay 0 Comment
  UC275558  Corylus californica Joseph P. Tracy 1923-8-19 6537 Humboldt Lawrence Creek near Kneeland Prairie 457 Comment
  CAS-BOT-BC180313  Corylus cornuta subsp. californica L. B. Kildale 1926-9-5 2638 Humboldt Lasseck's Peaks - on trail between Canal Goat Camp and Red Peak 1676 Comment
  HSC31123  Corylus cornuta subsp. californica J. O. Sawyer 1970-6-24 2260 Humboldt S of Mill Creek Gap, FS 10N02 1433 Comment
  CHSC102916  Cotoneaster pannosus Arthur Lee Jacobson 2007-8-13 Humboldt North Coast. North of Mill Creek and W of Stagecoach Road, southern part of Trinidad State Beach. 50 Comment
  SEINET3817861  Cotula coronopifolia E. G. Kynoch Jr. 1966-10-7 405 Humboldt Clam Beach near Little River State Park 2 Comment
  HSC39945  Cotula coronopifolia Linda M. Barker 1976-6-1 1554 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC302105  Crassula connata var. eremica Joseph P. Tracy 1926-5-9 7461 Humboldt valley of S. Yager Creek Northern Coast Ranges, valley of S. Yager Creek 762 Comment
  OBI77435  Crepis acuminata David J. Keil 1983-7-2 17326 Humboldt Horse Mtn Summit SW of Willow crk Comment
  UC1409183  Crepis capillaris Robert F. Thorne and P. Everett 1965-8-8 35236 Humboldt Eureka; n edge, e of Hwy 101 4 Comment
  UC1199458  Crepis capillaris Ralph Ferguson 1948-5-4 Humboldt Parkside Tract Eureka 60 Comment
  UC538046  Crepis occidentalis E. B. Babcock 1932-6-23 403 Humboldt near Bridgeport (saddle of ridge above Art Renfroe's place) Comment
  HSC78648  Crepis pleurocarpa D. K. Imper 1982-6-29 1479 Humboldt Near Lassics Lookout 1584 Comment
  HSC44153  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1977-7-1 3544 Humboldt Between Bear and Blanket Creeks 1524 Comment
  CAS-BOT-BC299700  Crocidium Doris K. Kildale 1926-3-21 1570 Humboldt Kneeland Prarie 853 Comment
  SEINET3875024  Crocosmia aurea Bennett, Dunn; Dziekanowski 1976-8-6 477 Humboldt Collected by Highway 101, North side of Orick.; 0 30 Comment
  HSC58175  Cryptantha affinis G. L. Clifton, Griswold 1979-8-2 12257 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC175790  Cryptantha intermedia Joseph P. Tracy 1911-7-8 3453 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley Of Trinity River 152 Comment
  SDSU19212  Cryptantha leiocarpa Michael G. Simpson, John Sawyer and Michael Mayer 2008-5-30 3032 Humboldt Lanphere Dunes, ca. 3.0 miles north-northeast of Manila. 2 Comment
  BLMAR607  Cryptantha leiocarpa Jennifer Wheeler 2011-4-1 607 Humboldt King range, growing throughout the Mattole Beach duns 0 Comment
  HSC3589  Cryptantha torreyana H. E. Parks, J. P. Tracy 1934-6-27 11058 Humboldt Grouse Mtn. 1433 Comment
  UC164379  Cryptantha torreyana Harley P. Chandler Jun 1901 1541 Humboldt Klamath River North Coast Ranges 304 Comment
  HSC102612  Cryptogramma acrostichoides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1599 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC63877  Cryptogramma acrostichoides M. A. Baker 1979-6-27 926 Humboldt E of Oregon Creek Comment
  JEPS39856  Cupressus lawsoniana Joseph P. Tracy 1926-6-27 7672 Humboldt Horse Mountain North Coast Ranges 1463 Comment
  CHSC31295  Cuscuta salina var. major Mark Stopher 1980-7-11 117 Humboldt Along Elk River near Hwy 101 bridge. 1 Comment
  UC902067  Cuscuta suksdorfii Joseph P. Tracy 1949-8-4 18430 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC82128  Cycladenia humilis D. K. Imper 1985-6-18 Humboldt At ridgetop 1.5 mi. N of Whitey's Peak 1707 Comment
  UC642236  Cyclospermum leptophyllum Joseph P. Tracy 1927-8-20 8333 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River (on Van Duzen River) 91 Comment
  HSC3642  Cynoglossum grande Francis Winter 1960-4-23 Humboldt 1.5 mi. E of Korbel, on Korbel-Maple Creek Rd. 61 Comment
  UCD60132  Cynosurus cristatus R. Tofsrud 1949-7-1 s. n. Humboldt South edge of Scotia. Comment
  BLMAR33  Cynosurus echinatus Brad Barr June, 1982 33 Humboldt King range, Lake ridge south facing slope Comment
  UC1145093  Cynosurus echinatus Joseph P. Tracy 1944-7-3 17486 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC7208  Cyperus acuminatus John H. Kynoch 1966-9-23 406 Humboldt Near Trinity River and Willow Creek 142 Comment
  CAS-BOT-BC114624  Cyperus eragrostis Joseph Prince Tracy 1935-7-17 14099 Humboldt Trinity River Valley at Willow Creek. 152 Comment
  SEINET200970  Cyperus melanostachyus Joseph P. Tracy 1920-8-15 5383 Humboldt Klamath River at Bluff Creek. 152 Comment
  RSA54120  Cyperus squarrosus Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  HSC47957  Cypripedium californicum Brad Klipfel 1974-9-17 579 Humboldt Horse Mountain Comment
  UC1196444  Cypripedium fasciculatum unknown 1931-4-1 Humboldt Weitchpec 152 Comment
  HSC55131  Cystopteris fragilis G. L. Clifton, Griswold 1979-8-1 11958 Humboldt Near Mill Creek, close to the town of Hoopa 1707 Comment
  UC71494  Cystopteris fragilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5844 Humboldt Trinity Summit Comment
  CAS-BOT-BC189766  Dactylis glomerata Henry M. Pollard 1948-7-28 s.n. Humboldt Roadside near Orleans. Comment
  HSC9534  Dactylis glomerata D. B. Bader 1963-5-1 46 Humboldt Second of the Clam Beach lagoons, west of Hwy. 101, south end of lagoon on east bank. Comment
  UC1103248  Dactylis glomerata Joseph P. Tracy 1919-8-28 5186 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  HSC102143  Danthonia californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1049 Humboldt Patterson Meadows 1566 Comment
  HSC9553  Danthonia californica J. A. Waller 1965-5-22 45 Humboldt Kneeland area. Comment
  SEINET200654 Image available Danthonia californica Joseph P. Tracy 1908-6-9 2673 Humboldt Kneeland Prairie 762 Comment
  UCD60528  Danthonia californica var. americana R. Tofsrud 1948-7-28 s.n. Humboldt Scotia, south edge of town. Comment
  CAS-BOT-BC420364  Darmera peltata Doris K. Kildale 1926-5-2 1900 Humboldt Willow Creek Flat Comment
  CAS-BOT-BC420360  Darmera peltata Volney Rattan 1903-1-1 s.n. Humboldt unspecified Comment
  JEPS12210  Datura stramonium W. L. Jepson 1932-7-29 16436 Humboldt Dyerville 88 Comment
  UC1197352  Daucus pusillus Joseph P. Tracy 1901-8-2 1248 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC292093  Delairea odorata Stuart K. Harris 1960-12-5 22066 Humboldt Mouth of Howe Creek Comment
  HSC92103  Delphinium decorum subsp. tracyi S. Morrissette, J. Williams, K. Kopper 1994-5-6 50 Humboldt 0.4 mi. S of Hwy. 299 on Titlow Rd. 854 Comment
  UC1196175  Delphinium glaucum Doris Kildale 1925-8-1 Humboldt Trinity Summit Comment
  CAS-BOT-BC10138  Delphinium menziesii Mrs. H. C. Cantelow 1941-4-26 s.n. Humboldt 10.3 miles SW of Ferndale on road to Cape Mendocino Comment
  HSC24973  Delphinium menziesii Francis Winter 1960-5-6 Humboldt Little River State Park, N of Arcata Comment
  HSC35357  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 490 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36. Comment
  HSC48786  Delphinium trolliifolium Brad Klipfel 1975-6-17 661 Humboldt Along Titlow Hill Rd. Comment
  HSC46068  Delphinium trolliifolium William J. Ferlatte, B. D. Rogers 1966-6-15 2101 Humboldt Plympton Ranch 915 Comment
  JEPS5768  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  UC1196335  Delphinium trolliifolium Joseph P. Tracy 1946-6-15 17562 Humboldt foothills of Horse Mountain 1066 Comment
  UC503036  Delphinium trolliifolium Joseph P. Tracy 1929-7-4 8638 Humboldt near Coyote Peak; Northern Coast Ranges, French Camp Ridge 1066 Comment
  UC1103212  Deschampsia cespitosa subsp. cespitosa Joseph P. Tracy 1912-7-21 3789 Humboldt Alton Northern Coast Region, Alton 30 Comment
  HSC37771  Deschampsia cespitosa subsp. holciformis D. E. Anderson, J. P. Smith 1971-6-14 - 1040 Humboldt Along railroad tracks at P.G.&E. power plant S of Eureka. Comment
  HSC99497  Deschampsia danthonioides K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 157 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  UC1103220  Deschampsia danthonioides Joseph P. Tracy 1912-7-31 3896 Humboldt n.w. slope Buck Mt.; Northern Coast Ranges, Burr Valley, Buck Mt. 1066 Comment
  UC1152018  Deschampsia danthonioides Joseph P. Tracy 1951-6-21 19531 Humboldt back of Everett Beck ranch house Hydesville (bed of former Goose Lake) Comment
  UCD62501  Deschampsia danthonioides A. H. Murphy 1951-5-21 47 Humboldt Prior Ranch, 2 miles S of Blocksburg. Comment
  CAS-BOT-BC174313  Deschampsia elongata J. O. Sawyer; R. J. Cole 1977-7-3 3019 Humboldt Environs of Mud Spring. Big Hill Road (F.S. 8N01) 1524 Comment
  HSC65115  Deschampsia elongata J. P. Smith 1973-5-26 6856 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  POM207196  Deschampsia elongata Jos Burtt Davy 1899-6-12 5476 Humboldt Elk Prairie Comment
  HSC58678  Descurainia incana G. L. Clifton, Terry Griswold 1979-8-2 12201 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC37421  Dicentra formosa Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 514 Humboldt Along Lost Man Creek. 38 Comment
  JEPS9737  Dicentra formosa Joseph P. Tracy 1933-5-28 12414 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  HSC8351  Dicentra formosa H. E. Parks, S. T. Parks May 1930 758 Humboldt Along the Van Duzen River Comment
  UC1362285  Dicentra formosa Kingsley R. Stern 1964-6-15 2108 Humboldt ca 2.5 mi s Fortuna (0.5 mi e on Drake Hill Road, on Newman property) Comment
  CAS-BOT-BC402409  Dicentra formosa subsp. formosa Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC35008  Dicentra uniflora W. C. Blasdale 1896-1 Humboldt Top of South Fork Mountain Comment
  CAS-BOT-BC208955  Dichanthelium oligosanthes subsp. scribnerianum Henry M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region. Comment
  UC1198178  Dichelostemma X venustum Joseph P. Tracy 1947-5-10 17683 Humboldt Miranda, along the South Fork of Eel River South Fork of Eel River 121 Comment
  JEPS64151  Dichelostemma capitatum Milo S. Baker 137 Humboldt South Fork Yager Creek Comment
  UC176352  Dichelostemma capitatum Joseph P. Tracy 1913-6-13 4102 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northen Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC38076  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1976-5-30 2631 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC60041  Dichelostemma capitatum subsp. capitatum M. A. Baker 1978-5-6 480 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC3082  Dichelostemma capitatum subsp. capitatum R. Spellenberg 1965-6-14 1121 Humboldt 2 mi. E of Kneeland, Kneeland Prairie Comment
  HSC3026  Dichelostemma ida-maia William J. Ferlatte, B. D. Rogers 1966-6-15 2102 Humboldt Plympton Ranch 915 Comment
  HSC3034  Dichelostemma ida-maia D. G. Hauger 1967-7-15 21 Humboldt 1.0 mi. from Ft. Baker 549 Comment
  POM273545  Digitalis purpurea Lyman D. Benson 1929-7-19 1879 Humboldt Mouth of Matole [Mattole] River. Comment
  UC535769  Disporum hookeri Eleanor Armstrong 1934-5-27 Humboldt Richardson Grove Comment
  JEPS61826  Disporum hookeri W. L. Jepson 1932-8-8 16489 Humboldt Chaney ranch, Canoe Creek Comment
  POM277202  Disporum hookeri var. hookeri Lyman Benson 1928-7-11 163 Humboldt Weott Ranger Station, Mt. Range: Seaward N Coast; Drainage Area: S Fork Eel River. 61 Comment
  CHSC94953  Disporum smithii K. Lang; J. Lang 2005-3-16 25 Humboldt Trinidad, N. California coast. 51 Comment
  RSA68743  Disporum smithii Victor Duran 1933-5-12 3413 Humboldt Bull Creek, at South Fork of the Eel River Comment
  CAS-BOT-BC208660  Distichlis spicata Joseph P. Tracy 1933-8-22 12989 Humboldt Mouth of Eel River 3 Comment
  SEINET199554 Image available Distichlis spicata Joseph P. Tracy 1923-1 6286 Humboldt Mouth of Davis Creek. Comment
  HSC70347  Dodecatheon hendersonii M. A. Baker 1980-6-7 1815 Humboldt Near Brush Mtn. 1128 Comment
  HSC30147  Dodecatheon hendersonii A. M. Montalvo, J. D. Ackerman 1974-4-14 173 Humboldt Near Gray's Falls, Trinity River. Gray's Falls Campground Comment
  HSC85760  Dodecatheon hendersonii R. Earing, C. Cavanaugh, C. Collins 1987-3-6 3 Humboldt Gray's Falls Campground, approx. 10 mi. E of Willow Creek on Hwy. 299, along the Trinity River. 244 Comment
  JEPS9492  Dodecatheon hendersonii Joseph P. Tracy 1927-5-15 8061 Humboldt near summit on road w from Hoopa to Bair's; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  POM126114  Dodecatheon hendersonii Joseph P. Tracy 1922-4-30 5994 Humboldt Trinity River Valley, near Willow Creek. 152 Comment
  UC602553  Downingia elegans Joseph P. Tracy 1930-6-15 8739 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  HSC97948  Downingia elegans Cara Witte 2007-7-2 396 Humboldt Mud Lake. Off National Forest 1, near Buck Flat. 1569 Comment
  RSA20854  Downingia yina C. B. Wolf 1937-6-18 8894 Humboldt 1/2 mile S of Fortuna. 15 Comment
  JEPS337  Dryopteris arguta Wm. K. D. Reynolds August, 1933 Humboldt Riceland Comment
  CAS-BOT-BC71053  Dryopteris expansa John Thomas Howell; Gordon H. True; Lewis S. Rose 1972-6-5 48820 Humboldt Patrick Point State Park Comment
  POM118351  Dryopteris expansa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
Read comments
Dec 31 2015
  CAS-BOT-BC428054  Dudleya cymosa subsp. cymosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC65139  Dysphania botrys J. P. Smith 1971-10-9 5013 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  CAS-BOT-BC197062  Echinochloa crus-galli Henry M. Pollard 1945-8-24 s.n. Humboldt Near Harley place Comment
  SEINET11972028  Echinocystis lobata J. P. Tracy 1951-1 19402 Humboldt Barry Ridge, Kneeland Prairie 762 Comment
  RSA246898  Eleocharis acicularis var. gracilescens Robert F. Thorne, Percy C. Everett 1965-8-9 35326 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC102060  Eleocharis bella M. R. Mesler, Robin Bencie, K. A. Wayman 2011-7-12 1163 Humboldt Patterson Meadows 1555 Comment
  UCD49784  Eleocharis macrostachya Linda M. Barker 1976-6-22 1621 Humboldt Coastal forest and dunes 3 miles west of Arcata, Humboldt Co., California. Comment
  HSC7324  Eleocharis pachycarpa J. P. Tracy, H. E. Parks 1931-6-7 9569 Humboldt Trinidad 61 Comment
  UC1542873  Eleocharis pachycarpa Harold E. Parks Jun 1934 5275 Humboldt Spruce Cove Trinidad Comment
  JEPS19324  Eleocharis parishii Joseph P. Tracy 1926-8-12 7767 Humboldt Trinity River Valley, near the South Fork Northern Coast Ranges 182 Comment
  UC1137130  Elymus X macounii August L. Hormay 1932-5-12 Humboldt Bull Creek Road; near bridge Comment
  CAS-BOT-BC227343  Elymus elymoides Joseph P. Tracy 1935-7-28 14317 Humboldt Trinity Summit. Head of Devil's Hole 1828 Comment
  HSC54579  Elymus glaucus Overton, Butler 1979-7-24 9618 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC9718  Elymus glaucus D. E. Anderson, T. O. Preston 1963-3-1 19 Humboldt Near bridge over Supply Creek. Comment
  UC552765  Elymus glaucus H. E. Parks and Joseph P. Tracy 1934-6-14 11026 Humboldt Horse Mt. Northern Coast Ranges 1371 Comment
  UCD62266  Elymus glaucus August L. Hormay 1932-5-12 Humboldt Bull Creek Road. Comment
  CAS-BOT-BC203472  Elymus glaucus subsp. glaucus Joseph P. Tracy 1935-6-22 13958 Humboldt Holmes Flat 60 Comment
  UCD62346  Elymus glaucus subsp. glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3454 Humboldt 2 miles north of Orleans. Klamath River. Comment
  HSC98130  Elymus hispidus Cara Witte 2007-6-28 387 Humboldt Forest Service Road 5N10. 1293 Comment
  UCD61278  Elymus macounii August L. Hormay 1932-5-12 Humboldt Bull Creek Road, near bridge. Comment
  HSC58419  Elymus multisetus Griswold, Butler 1979-7-12 7265 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  SD51252  Epilobium angustifolium Darley F. Howe 1961-8-1 3102 Humboldt 11.2 miles north of Trinidad on Highway 101. Comment
  HSC43234  Epilobium brachycarpum R. Sutherland 1976-8-6 4 .6876 Humboldt 229 Comment
  UC505123  Epilobium campestre Joseph P. Tracy 1930-6-15 8743 Humboldt near Bosworth; Larrabee Creek 457 Comment
  CAS-BOT-BC166893  Epilobium canum subsp. latifolium Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  RSA44304  Epilobium canum subsp. latifolium H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mts. 1524 Comment
  HSC76204  Epilobium ciliatum Overton, Butler 1979-8-2 12535 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC49628  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4943 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC169921  Epilobium ciliatum subsp. ciliatum Harley P. Chandler June, 1901 1530 Humboldt Klamath River North Coast Ranges 304 Comment
  UC902178  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1949-8-7 18444 Humboldt Box Camp Trinity Summit (meadow) 1463 Comment
  POM247161  Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-07 24050 Humboldt Spruce Cove, Trinidad. 64 Comment
  JEPS31516  Epilobium densiflorum Joseph P. Tracy 1934-7-9 13352 Humboldt bed of dry pond Dobbyn Creek 152 Comment
  UC668239  Epilobium densiflorum Joseph P. Tracy 1937-7-19 15463 Humboldt Larrabee Valley 731 Comment
  HSC99090  Epilobium densiflorum Cara Witte 2008-7-10 860 Humboldt National Forest Road 4N06. 1 mile west of National Forest 1. 1234 Comment
  UCD106289  Epilobium densiflorum Roman Gankin 1965-8-6 561 Humboldt 2.5 miles SW of Capetown. Comment
  RSA181880  Epilobium foliosum Joseph P. Tracy 1928-5-6 8430 Humboldt Northern Coast Ranges: Trinity River Valley, at Willow Creek 152 Comment
  POM160843  Epilobium hallianum Joseph P. Tracy 1923-5-13 6204 Humboldt North Coast Ranges: Bridgeville. 229 Comment
  JEPS31553  Epilobium minutum Lincoln Constance 1934-6-8 838 Humboldt Cow Creek fire trail from Bull Cr. road n over divide into headwaters of Bear Cr.; South Fork Eel River, Bull Creek Region Comment
  JEPS31520  Epilobium septentrionale Joseph P. Tracy 1933-9-9 13075 Humboldt vicinity of Garberville (along S. Fork Eel R.); S. Fork Eel R. 121 Comment
  UC249622  Epilobium septentrionale Joseph P. Tracy 1921-10-16 5974 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  UC1225850  Epipactis gigantea Joseph P. Tracy 1948-8-22 18107 Humboldt Blue Slide Van Duzen River 91 Comment
  CAS-BOT-BC57104  Equisetum X ferrissii Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  HSC99486  Equisetum arvense K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 145 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-BC57160  Equisetum hyemale subsp. affine Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  UC667934  Equisetum hyemale subsp. affine Joseph P. Tracy 1937-3-21 15234 Humboldt near Grizzly Creek Van Duzen River 91 Comment
  CHSC8  Equisetum telmateia subsp. braunii M. Anthony 1960-5-14 Humboldt Arcata. Comment
  CAS-BOT-BC299912  Erechtites minimus K. Boynton 1920-9-28 s.n. Humboldt 6 mi. south of Ferndale Comment
  HSC57889  Eremogone congesta var. suffrutescens Overton, Butler 1979-7-31 11446 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  RSA145330  Erica lusitanica T. C. Fuller 1961-3-22 5938 Humboldt Humboldt County: N slope Humboldt Hill Comment
  UC581712  Erigeron aliceae Joseph P. Tracy 1933-8-30 13038 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1615 Comment
  UC169349  Erigeron biolettii J. P. Tracy 1912-7-23 3797 Humboldt 3-5 miles above South Fork Eel River mouth (slopes of bluffs along); South Fork Eel River 30 Comment
  CAS-BOT-BC296111  Erigeron foliosus var. confinis Joseph P. Tracy 1935-6-23 13967 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC296106  Erigeron foliosus var. confinis Lincoln Constance; Reed C. Rollins 1942-5-12 2896 Humboldt Junction of Klamath and Salmon Rivers 1 mile south of Somes BAr 152 Comment
  CAS-BOT-BC300683  Erigeron foliosus var. mendocinus L. R. Abrams 1916-7-11 6055 Humboldt At mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  RSA39091  Erigeron foliosus var. mendocinus P. A. Munz 1948-8-15 12360 Humboldt 1 mile west of Van Duzen Redwood State Park Comment
  UC196573  Erigeron foliosus var. mendocinus Joseph P. Tracy 1916-9-4 4756 Humboldt head of Canoe Creek; Northern Coast Ranges, Grasshopper Ridge, Canoe Creek 609 Comment
  UC166099  Erigeron glaucus J. P. Tracy 1900-7-4 888 Humboldt sand hills of ocean beach at Samoa (opp. Eureka) Comment
  CDA4960  Erigeron glaucus G. D. Barbe, T. C. Fuller 1974-6-17 1834 Humboldt Lower Pacific Drive at Sail Court, west of the golf course, south of the sewer plant, Shelter Cove. 0 Comment
  HSC56930  Erigeron inornatus var. inornatus G. L. Clifton, Butler 1979-7-26 9359 Humboldt Near Salmon Mtn., close to the town of Forks of the Salmon 1935 Comment
  UC34630  Erigeron inornatus var. inornatus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge 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
  HSC99348  Erigeron inornatus var. inornatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2110 Humboldt Whiting Spring Comment
  HSC5526  Erigeron philadelphicus W. K. Parks Jun 1932 1381 Humboldt Trinidad Comment
  POM187853  Erigeron philadelphicus Marcus E. Jones 1931-7-12 29146 Humboldt Alton. Comment
  POM357558  Erigeron philadelphicus B. C. Templeton 1964-6-13 10184 Humboldt Along old Hwy. 101 near Trinidad Comment
  SEINET11851213  Erigeron strigosus J. P. Tracy 1950-1 19046 Humboldt Trinity River, E side, 1 mi N of mouth of Willow Creek Comment
  POM208988  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Grasshopper Pk.; Bull Creek watershed, Humboldt Redwood Park. 976 Comment
  UC55502  Eriogonum compositum var. compositum Harley P. Chandler 1901-6-1 1462 Humboldt Klamath River North Coast Ranges, Klamath River 304 Comment
  HSC35859  Eriogonum latifolium Thomas W. Nelson, James Nelson 1975-8-5 2136 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  UC1198102  Eriogonum luteolum var. luteolum Joseph P. Tracy 1920-8-15 5390 Humboldt at mouth of Bluff Creek on Klamath River Klamath River, Bluff Creek 152 Comment
  UC198588  Eriogonum nudum var. nudum Joseph P. Tracy 1916-6-20 4729 Humboldt Dobbyn Creek 182 Comment
  UC672904  Eriogonum nudum var. nudum Joseph P. Tracy 1932-7-20 10728 Humboldt open places at Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC261489  Eriogonum nudum var. nudum Carl B. Wolf 1927-8-28 1168 Humboldt Along the Blue Lake road, 9 miles from Willow Creek Comment
  RSA44500  Eriogonum nudum var. nudum H. M. Pollard 1947-8-22 s.n. Humboldt Klamath River bed near Fontana's Fishing Lodge, Orleans region Comment
  HSC54660  Eriogonum umbellatum Overton, Butler 1979-7-25 9883 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC99560  Eriogonum umbellatum var. argus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 225 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  UC1225801  Eriogonum umbellatum var. argus Joseph P. Tracy 1947-7-5 17781 Humboldt ridge top 1 mi w Mud Springs; Trinity Summit 1158 Comment
  CAS-BOT-BC444001  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8347 Humboldt Along U.S. Forest Service Road 1 near White Rock Springs at milepost 7.6, about 7.8 air miles southwest of Salyer 1493 Comment
  SEINET4856204  Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 8345 Humboldt Along U.S. Forest Service Road 1 at south end of Whiting Ridge, about 0.5 air miles west-northwest of High Salt Ground and 9.3 miles west of Hyampom. 1296 Comment
  HSC76554  Eriogonum umbellatum var. polyanthum Teresa Prendusi 1981-7-24 517 Humboldt Near Whiteys Peak 1634 Comment
  HSC55026  Eriogonum umbellatum var. stellatum Overton, Butler 1979-7-31 11448 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC73142  Eriophyllum lanatum M. A. Baker 1980-5-18 1332 Humboldt Near Black Mtn. 792 Comment
  HSC44132  Eriophyllum lanatum var. achilleoides Thomas W. Nelson, Jane P. Nelson 1977-7-4 3586 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  JEPS73713  Eriophyllum lanatum var. achilleoides L. R. Heckard with T. I. Chuang 1968-7-5 1985 Humboldt Mail Ridge road 4.3 mi n Harris road Comment
  UC582676  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1935-6-23 13999 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC301020  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-21 E 34 Humboldt Cliffs along the South Fork of the Eel River, 1 mile north of Garberville Comment
  UC507068  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-21 E 34 Humboldt 1 mi n Garberville; South Fork of Eel River Comment
  HSC44347  Eriophyllum lanatum var. lanceolatum Brad Klipfel 1975-6-17 688 Humboldt Horse Mtn. Comment
  UC1718077  Eriophyllum lanatum var. lanceolatum John S. Mooring 1970-7-7 2497 Humboldt along and near hwy 96, 0.5 miles N of confluence of Slate Creek and Klamath River Comment
  UC582673  Eriophyllum staechadifolium Joseph P. Tracy 1935-7-18 14101 Humboldt Hillside facing ocean on Table Bluff 30 Comment
  HSC26363  Erodium cicutarium T. O. Osborne 1970-5-24 87 Humboldt Flat-iron Rock, 3/4 mi. NW Trinidad Lighthouse Comment
  UC17110  Erodium moschatum J. P. Tracy 1899-4-16 150 Humboldt Eureka Comment
  UC1222654  Erysimum capitatum Joseph P. Tracy 1950-6-15 18791 Humboldt 7 mi n Harris (along old Overland Rd); Mail Ridge Comment
  UC492245  Erysimum capitatum Joseph P. Tracy 1932-7-18 10706 Humboldt head Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC89829  Erysimum concinnum May Bugbee 1984-6-14 Humboldt Mattole Beach, S of mouth of Mattole River Comment
  CHSC31281  Erysimum menziesii Mark Stopher 1980-4-2 46 Humboldt On sand dunes of the Samoa peninsula at Humboldt Bay. 4 Comment
  HSC49804  Erysimum menziesii R. York 1979-4-16 230 Humboldt Just E of Samoa drag strip. Comment
  HSC6772  Erysimum menziesii Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  RSA0008582  Erysimum menziesii Jennifer Wheeler 2010-5-11 573 Humboldt Samoa Dunes Endangered Plant Protection Area. 0 Comment
  HSC38519  Erythronium californicum D. E. Anderson, J. P. Smith 1971-6-18 - 1081 Humboldt Horse Mtn. Comment
  SDSU19195  Erythronium californicum Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3005 Humboldt Six Rivers National Forest. Adjacent to Titlow Hill Road, ca. 4.6 miles south of junction with Hwy 299 (at Berry Summit), southeast of intersection with dirt road to Horse Mtn. Ca. 0.6 mile south of Horse Mtn. Radio Tower. 1437 Comment
  HSC15488  Erythronium citrinum var. citrinum E. C. Murczek 1964-4-4 29 Humboldt 8 mi. N of Hoopa Comment
  UC1197645  Erythronium revolutum Joseph P. Tracy 1924-3-30 6634 Humboldt near Bridgeville; Northern Coast Ranges 182 Comment
  UC146200  Erythronium revolutum Joseph P. Tracy 1908-6-9 2661 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC403034  Eschscholzia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC16757  Eschscholzia californica Francis Winter 1960-5-7 Humboldt 1 1/2 mi. S of Redwood Creek Ranch Comment
  JEPS51814  Eschscholzia californica W. L. Jepson 1932-8-8 16487 Humboldt Grasshopper Peak 914 Comment
  UC161568  Eschscholzia californica Joseph P. Tracy 1911-5-30 3210 Humboldt bluff near Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  SEINET3121248 Image available Eucephalus glabratus Joseph P. Tracy 1919-1 5304 Humboldt Along road between Three Creeks and mouth of Willow Creek 914 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
  UC1198984  Euphorbia crenulata Joseph P. Tracy 1926-4-11 7409 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC68014  Euphorbia crenulata J. P. Smith, J. O. Sawyer 1974-6-2 7651 Humboldt 1372 Comment
  UC1198970  Euphorbia crenulata Joseph P. Tracy 1912-8-1 3960 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC502958  Euphorbia crenulata Joseph P. Tracy 1929-4-14 8540 Humboldt Phillipsville Northern Coast Ranges (slopes and groves facing South Fork of Eel River) 121 Comment
  HSC31736  Euphorbia peplus Donald Spalinger 1974-4-20 16 Humboldt Across from 1756 Ridgewood Dr. 122 Comment
  CDA28953  Euphorbia virgata T. Chapple 2009-6-1 s.n. Humboldt Vicinity of Orleans, found on Klamath River access road. 0 Comment
  HSC5091  Eurybia radulina H. E. Parks, J. P. Tracy 1930-9-15 769 Humboldt Kneeland Bald Hills Comment
  UC419045  Eurybia radulina H. E. Parks, J. P. Tracy 1930-9-15 769 Humboldt Kneeland Bald Hills Comment
  BLMAR699  Eurybia radulina Jennifer Wheeler 2013-10-25 699 Humboldt Lacks Creek, Upper Round Prairie 731 Comment
  CAS-BOT-BC458291  Euthamia occidentalis Carl D. Duncan 1920-9-22 s.n. Humboldt Bank of Trinity River, Hoopa Valley Comment
  HSC35971  Fallopia convolvulus Thomas W. Nelson, J. O. Sawyer 1975-9-25 2024 Humboldt Beside Hwy. 101 at 11th St. bridge Comment
  UCD98912  Fallopia sachalinensis H. E. Parks; S. T. Parks 1952-6-1 24448 Humboldt South of the Elk River Bridge on Highway 10. Comment
  HSC9818  Festuca arundinacea D. J. McVean 1965-5-18 76 Humboldt Along Old Arcata Rd. just S of intersection with Indianola Rd. Comment
  HSC31183  Festuca californica D. E. Anderson 1972-6-20 5752 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UCD65901  Festuca californica subsp. californica Joseph P. Tracy 1938-6-13 15903 Humboldt Horse Mountain. 1432 Comment
  HSC98829  Festuca californica var. californica Cara Witte 2007-5-21 70 Humboldt White Oak Opening. 1257 Comment
  CAS-BOT-BC282500  Festuca elmeri Doris K. Kildale 1928-6-24 5286 Humboldt Horse Mountain 914 Comment
  HSC32236  Festuca idahoensis J. O. Sawyer 1970-6-24 2230 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC74474  Festuca occidentalis Gail Newton 1980-7-23 1752 Humboldt Near Packsaddle Ridge 1463 Comment
  POM313227  Festuca rubra Malcolm A. Nobs, S. Galen Smith 1949-8-3 1171 Humboldt Around Field's Landing. Comment
  UCD66438  Festuca subulata Joseph P. Tracy 1937-7-25 15541 Humboldt Trinity Summit, Head of Little Hors-Linto Creek. 1371 Comment
  UCD66493  Festuca subuliflora A. A. Beetle; G. L. Stebbins Jr 1942-6-1 3451 Humboldt 4 miles north of Orleans on road to Somesbar, wooded banks of Klamath River. Comment
  RSA256572  Fragaria californica A. Montalvo, J. D. Ackerman 1973-4-29 78 Humboldt 2 miles NE of Kneeland on road to Maple Creek. 457 Comment
  CHSC23878  Fragaria chiloensis A. R. Morrison 1974-4-27 Humboldt Throughout understory along immediate coastal cliffs ca. 2 mi. n of Trinidad. Comment
  HSC47484  Fragaria chiloensis Sheila Logan 1978-4-7 1 Humboldt Samoa sand dunes, 1/4 mi. N of Coast Guard Station. Comment
  POM231291  Fragaria chiloensis D. D. Keck, Jens Clausen 1935-6-16 3390 Humboldt Mouth of Little River. Comment
  HSC90467  Fragaria chiloensis Jean Hanson 1980-3-8 30 Humboldt Indian (Gunther) Island, in Humboldt Bay. W end of island, 200 ft. from SW shore Comment
  UC1198724  Fragaria chiloensis Joseph P. Tracy 1918-5-5 4922 Humboldt Ocean Beach Humboldt Bay Comment
  HSC18615  Fragaria vesca J. J. Wagoner 1965-5-1 25 Humboldt 6 mi. W of Willow Creek along Hwy. 299 Comment
  UC183615  Fragaria vesca Joseph P. Tracy 1912-5-11 3585 Humboldt near Hydesville; Northern Coast Region 30 Comment
  CAS-BOT-BC457927  Fragaria vesca subsp. californica Doris Kildale Gillespie 1931-6-7 10643 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  JEPS44674  Fragaria virginiana Joseph P. Tracy 1932-7-16 10616 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC31219  Frangula californica D. E. Anderson 1972-6-20 5730 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  CAS-BOT-BC52733  Frangula californica subsp. californica L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek Road Comment
  BLMAR113  Frangula californica subsp. californica Jennifer Anthony-Wheeler 1995-1-19 113 Humboldt King range, growing in open clrng arng rd to new king range admin 283 Comment
  UCD112819  Frangula purshiana Linda M. Barker 1976-7-5 1648 Humboldt Lanphere-Christensen Dunes 3 miles west of Arcata. Comment
  SBBG4630  Frangula purshiana subsp. purshiana M. J. Cody 1938-7-10 Humboldt near Trinidad Comment
  SEINET200389  Frasera speciosa Joseph P. Tracy 1932-7-20 10731 Humboldt Trinity Summit , 1585 Comment
  HSC16192  Fraxinus latifolia J. R. Lippincott 1967-7-16 14 Humboldt 1.0mi S of Blue Lake in West End Rd. Comment
  UC1198637  Fraxinus latifolia Joseph P. Tracy 1923-6-19 6293 Humboldt Upper Mattole North Coast Ranges 152 Comment
  UC1197623  Fritillaria affinis Joseph P. Tracy 1936-7-7 16042 Humboldt Grouse Mountain 1524 Comment
  SEINET12050370  Fritillaria affinis F. H. Utech 1988-1 88 -285 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, bluff above Van Duzen River 800 Comment
  CAS-BOT-BC124019  Fritillaria purdyi Carlton Elmer Purdy 1901-4-1 s.n. Humboldt Kneeland Comment
  SEINET4208042  Fumaria capreolata Richard R. Halse 2013-3-28 8767 Humboldt Eureka. By a Texaco station near 3543 Broadway St. (U.S. Hwy. 101); 0 6 Comment
  SEINET3024818  Galium ambiguum Joseph P. Tracy 1913-6-21 4248 Humboldt Dinsmore's Ranch; in valley of Van Duzen River opposite Buck Mountain 760 Comment
  HSC70928  Galium aparine R. York 1980-5-18 579 Humboldt Near Black Mtn 792 Comment
  HSC41599  Galium bolanderi Thomas W. Nelson, Jane P. Nelson 1977-8-6 3705 Humboldt Above Alder Springs 1555 Comment
  HSC98665  Galium bolanderi Cara Witte 2007-8-9 631 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .2 miles from intersection with Forest Service Road 4N32B. 1413 Comment
  UC1196093  Galium boreale subsp. septentrionale Joseph P. Tracy 1924-8-31 6839 Humboldt river at mouth of Bluff Creek; Klamath River 91 Comment
  JEPS6692  Galium californicum subsp. californicum Joseph P. Tracy 1927-5-30 8085 Humboldt between Briceland and Redway 182 Comment
  UC1225914  Galium divaricatum Joseph P. Tracy 1946-7-13 17614 Humboldt 5 mi e Carlotta (by old Strong's District School House) 60 Comment
  HSC39597  Galium grayanum var. grayanum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2917 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC39794  Galium trifidum Peter Sorensen 1976-8-8 Humboldt King Salmon 0 Comment
  HSC34703  Galium triflorum Thomas W. Nelson 1974-7-20 1701 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC44516  Galium triflorum Brad Klipfel 1973-7-1 124 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC303392  Gamochaeta ustulata Joseph P. Tracy 1936-8-23 15163 Humboldt Carlotta 60 Comment
  UCD132373  Gamochaeta ustulata Linda M. Barker 1976-7-5 1539 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC199025  Garrya congdonii H. L. Mason 1926-1-1 2603 Humboldt Blue Lakes Comment
  CAS-BOT-BC188533  Garrya elliptica Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC8389  Garrya elliptica Francis Winter 1960-2-28 Humboldt Samoa Peninsula 6 mi. W of Arcata, Ca Comment
  UC183578  Garrya elliptica Joseph P. Tracy 1913-3-2 4011 Humboldt Eureka; Northern Coast Region 0 Comment
  UC634769  Garrya elliptica H. L. Mason 1932-7-21 7105 Humboldt Big Lagoon Comment
  UC169895  Garrya fremontii Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5346 Humboldt near Bell Springs Comment
  RSA12458  Gastridium phleoides C. B. Wolf 1934-6-30 5835 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  SEINET10930370  Gastridium phleoides Rattan RATTAN 11475 Humboldt Hoopa Valley. Comment
  UC1103734  Gastridium ventricosum Joseph P. Tracy 1913-7-20 4380 Humboldt at Berry's ranch Redwood Creek; Northern Coast Ranges, Redwood Creek 304 Comment
  BLMAR231  Gaultheria shallon Jennifer Anthony-Wheeler 1996-9-26 231 Humboldt King range, growing beside bear creek between Wailaka & Nadelos campground 548 Comment
  CHSC593  Gaultheria shallon Vesta Holt 1941-5-30 Humboldt Comment
  HSC45586  Gaultheria shallon Diane L. Reed 1978-5-27 140 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  RSA249502  Gaultheria shallon R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35131 Humboldt Wailaki Recreation site. 518 Comment
  RSA467224  Gaultheria shallon H. E. McMinn 1931-6-28 2548 Humboldt Orick to Requa Comment
  RSA50144  Gaultheria shallon E. K. Balls 1949-7-11 13972 Humboldt 35 miles west of Willow Creek on Hwy 299 from Willow Creek to Arcata. 152 Comment
  SBBG5537  Gaultheria shallon H. and M. Dearing 1939-5-21 3449 Humboldt near Trinidad 91 Comment
  SEINET2028836 Image available Gaultheria shallon Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15251 Humboldt 2 miles north of Fortuna Comment
  UC1120968  Gaultheria shallon A. E. Wieslander 1931-5-21 211 Humboldt on ridge near Kneeland Comment
  UCD20676  Gaultheria shallon A. T. Leiser 1980-7-8 s.n. Humboldt Humboldt County, Redwood National Park, Burm Creek. Comment
  SEINET11996979  Gaultheria shallon F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 293 a Humboldt 2.4 mi W of US 101 on CA 169 from Klamath to Klamath Glen along Klamath River 50 Comment
  HSC102923  Gayophytum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1116 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  HSC16391  Gayophytum diffusum J. P. Tracy 1933-8-30 13045 Humboldt Grouse Mtn. 1524 Comment
  POM247153  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1933-8-30 13046 Humboldt North Coast Ranges: Grouse Mountain 1524 Comment
  HSC54746  Gayophytum racemosum G. L. Clifton, Griswold 1979-7-26 10230 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  RSA46856  Gentiana oregana Doris K. Kildale 1926-7-11 2370 Humboldt Bear River, ridge near Mt. Glen. Comment
  HSC19392  Gentiana plurisetosa J. O. Sawyer 1968-9-27 726 Humboldt Near Water Dog Lakes and North Trinity Mtn. 1768 Comment
  UC183701  Gentiana sceptrum Joseph P. Tracy 1913-9-9 4404 Humboldt Patrick's Point North Coast Ranges 30 Comment
  UC668046  Geranium carolinianum Joseph P. Tracy 1933-7-9 12643 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC668043  Geranium core-core Joseph P. Tracy 1933-5-20 12251 Humboldt 1 mi w Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  CDA42400  Geranium lucidum R. Robison 2014-5-5 s.n. Humboldt In Humboldt Lagoons State Park, along Highway 101 on southbound side. Across from old state highway 102. 0 Comment
  RSA275284  Gilia capitata J. P. Smith 1973-5-26 6816 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  SEINET12278778  Gilia capitata L. K. Henry 1971-1 s.n. Humboldt along Rt 36, 2 mi E of Dinsmore in Six Rivers National Forest Comment
  SEINET6969928  Gilia capitata Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC226143  Gilia capitata subsp. pacifica Carl B. Wolf 1937-8-11 8901 Humboldt Fleener Creek, 1/2 mi. So. of Centerville 45 Comment
  CAS-BOT-BC226145  Gilia capitata subsp. pacifica Doris K. Kildale 1925-6-28 794 Humboldt Kneeland Prairie - bald hills 762 Comment
  JEPS16254 Image available Gilia millefoliata J. P. Tracy 1903-6-12 1921 Humboldt immediate vicinity Eureka; ; Eureka, Humboldt Co. 0 Comment
  SBBG5887  Gilia millefoliata H. and M. Dearing 1939-5-25 3432 Humboldt near Samoa Comment
  JEPS79894  Gilia sinistra subsp. sinistra Joseph P. Tracy 1926-6-27 7679 Humboldt Horse Mountain 1432 Comment
  UC1197920  Gilia tricolor subsp. diffusa Joseph P. Tracy 1948-5-31 18016 Humboldt Alder Point 304 Comment
  CAS-BOT-BC266491  Githopsis diffusa L. R. Abrams 1918-6-16 7176 Humboldt Willow Creek Comment
  HSC17914  Glaux maritima D. E. Anderson 1962-5-10 2207 Humboldt Lanphere's Comment
  HSC37570  Glaux maritima J. D. Ackerman 1975-6-10 453 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  CAS-BOT-BC218428  Glehnia littoralis subsp. leiocarpa Ira L. Wiggins 1930-7-7 4676 a Humboldt Sand dunes near Samoa Comment
  CAS-BOT-BC218475  Glehnia littoralis subsp. leiocarpa H. D. Ripley; R. C. Barneby 1945-6-18 6807 Humboldt Trinidad 6 Comment
  BLMAR561  Glyceria elata Clara Sander 2009-8-21 561 Humboldt Lacks Creek, in a ditch near where main lacks Creek parking lot is to be 975 Comment
  HSC74756  Glyceria elata Gail Newton 1981-8-6 2402 Humboldt Near Humbug Creek 1256 Comment
  SEINET201843 Image available Glyceria elata H. K. Sharsmith, F Chisaki 1959-8-22 4756 Humboldt Happy Camp just over Trinity County line 914 Comment
  HSC10079  Glyceria fluitans J. P. Tracy 1933-7-20 19801 Humboldt Arcata bottom 15 Comment
  SEINET267680 Image available Glyceria occidentalis Gordon Leppig 1995-4-6 243 Humboldt Arcata; Alder Grove Pond. 12 Comment
  UCD66777  Glyceria occidentalis A. A. Beetle; J. P. Tracy, G. L. Stebbins Jr. 1942-6-2 3461 Humboldt Loleta Swamp, south of Eureka. Comment
  HSC31359  Gnaphalium palustre R. F. Thorne, P. Everett 1965-8-7 35227 Humboldt Samoa Peninsula 3 Comment
  HSC53977  Gnaphalium palustre Griswold, Butler 1979-7-11 7051 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  SEINET11836330  Gnaphalium palustre H. E. Parks, Parks, S. T. 1937-1 24080 Humboldt Spruce Cove, Trinidad Comment
  POM199562  Gnaphalium sphaericum Joseph P. Tracy 1915-9-12 4677 Humboldt Humboldt County: mouth of Laribee Creek. 61 Comment
  HSC54649  Goodyera oblongifolia Overton, Butler 1979-7-25 9850 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC55216  Goodyera oblongifolia Walter Overton 1979-8-1 12373 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  RSA249356  Goodyera oblongifolia J. D. Ackerman 1973-8-18 120 Humboldt 2 miles north of Manila Comment
  RSA381800  Goodyera oblongifolia Jane Turner, Francis M. Ball 1962-7-10 1141 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  UC1196372  Goodyera oblongifolia Joseph P. Tracy 1932-7-17 10660 Humboldt near Corral Prairie (Trinity Summit); Trinity Summit 1584 Comment
  HSC98915  Goodyera oblongifolia Cara Witte 2008-8-16 1028 Humboldt Ammon Ridge Road. Approximately 1/4 mile east of intersection with National Forest 1. 1548 Comment
  CAS-BOT-BC304736  Grindelia hirsutula Doris K. Kildale 1926-6-25 2172 Humboldt Big Lagoon Comment
  CAS-BOT-BC304761  Grindelia hirsutula Carl B. Wolf 1927-8-29 1214 Humboldt Devil's Gate, south of Cape Mendocino Comment
  HSC5698  Grindelia hirsutula D. E. Anderson 1962-7-15 2270 Humboldt Big Lagoon Comment
  HSC100434  Grindelia robusta Carl C. Marshall Sep 1886 253 Humboldt Marshes. Comment
  UCR48594  Grindelia stricta R. D. Goeden, Don W. Ricker 1987-9-2 870902- 14 Humboldt North Coast, Loleta, at bay on Cannibal Road 3 Comment
  UC1222252  Hackelia californica Joseph P. Tracy 1948-8-15 18154 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity nSummit 1524 Comment
  UC1222483  Hainardia cylindrica Joseph P. Tracy 1938-7-15 16071 Humboldt Mouth of Eel River Eel River 3 Comment
  CAS-BOT-BC302440  Hazardia whitneyi var. discoidea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC302444  Hazardia whitneyi var. discoidea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC306614  Helenium bigelovii Carl B. Wolf 1937-8-13 9248 Humboldt North Coast Range, 11 mi. E. of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  HSC57948  Helenium bigelovii G. L. Clifton, Griswold 1979-7-31 11626 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC53952  Helenium bigelovii J. P. Tracy 1901-5-1 1204 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  CAS-BOT-BC306616  Helenium bigelovii Doris K. Kildale 1925-7-26 1057 Humboldt Christmas Prairie - Bald Mt. Comment
  UC1409057  Helenium bolanderi Robert F. Thorne and P. Everett 1965-8-7 35194 Humboldt at s end Big Lagoon 1 Comment
  CAS-BOT-BC306871  Helenium bolanderi L. R. Abrams; R. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  UC204746  Helminthotheca echioides Joseph P. Tracy 1918-7-1 4969 Humboldt southwestern slopes fronting the ocean three mi s of point Cape Mendocino; Northern Coast Ranges, Cape Mendocino 3 Comment
  UCD132965  Helminthotheca echioides Collector unknown Date Unknown s.n. Humboldt exact location unknown. Comment
  CAS-BOT-BC310075  Hemizonella minima Doris K. Kildale 1927-7-22 3910 Humboldt Lassecks Peaks - Coral Goat Camp 1661 Comment
  HSC97470  Hemizonella minima Cara Witte 2007-5-23 92 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  UC1223094  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1950-6-23 18864 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  CAS-BOT-BC309997  Hemizonia congesta subsp. tracyi L. R. Abrams 1916-7-11 6030 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  JEPS40410  Hemizonia congesta subsp. tracyi W. L. Jepson 1902-7-1 1975 Humboldt at Berry's Ranch Redwood Creek; Hupa road Comment
  BLMAR749  Heracleum maximum Kate McGrath 2015-7-13 748 Humboldt King range, strawberry rock grazing allotment 189 Comment
  UC1222144  Hesperolinon micranthum Joseph P. Tracy 1950-7-6 18994 Humboldt 3 mi s Burr Valley (on the Albee Road); Buck Mountain 1158 Comment
  SEINET10460607  Heterocodon rariflorum Willis L. Jepson Jepson 16394 Humboldt GARBERVILLE Comment
  UC169327  Heterocodon rariflorum Joseph P. Tracy 1911-7-5 3329 Humboldt near Willow Creek mouth (tributary of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  UC198602  Heteromeles arbutifolia Miss Landergen Dec 1916 Humboldt Fort Seward; Northern Coast Ranges 91 Comment
  UC666828  Heteromeles arbutifolia Joseph P. Tracy 1937-7-11 15414 Humboldt Garberville 152 Comment
  CAS-BOT-BC311052  Heterotheca oregona var. oregona Carl B. Wolf 1927-8-27 1156 Humboldt On the Klamath River 2 mi. below the Salmon River Comment
  RSA93364  Heterotheca oregona var. rudis F. W. Peirson 1941-7-29 13111 Humboldt Stephens Grove State Park. Comment
  UC581757  Heterotheca oregona var. rudis Joseph P. Tracy 1933-10-15 13097 1/2 Humboldt Miranda, along South Fork of Eel River South Fork of Eel River 121 Comment
  HSC71159  Heuchera micrantha Thomas W. Nelson 1977-6-15 3423 Humboldt Along USFS Rd. 5N10 just N of its junction with USFS Rd. 6N08 1372 Comment
  UC1198860  Heuchera micrantha Joseph P. Tracy 1911-6-4 3228 Humboldt along Little River (5 mi from the coast); Northern Coast Region 121 Comment
  JEPS49746  Heuchera micrantha var. diversifolia Harley P. Chandler May 1901 1231 Humboldt North Coast Ranges 457 Comment
  HSC81930  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4947 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  RSA32658  Hieracium albiflorum Doris K. Kildale 1927-7-17 3752 Humboldt Bug Creek, Chaparral Mountain Comment
  SEINET200705  Hierochloe occidentalis Joseph P. Tracy 1931-4-26 9342 Humboldt Willow Creek Canyon 610 Comment
  UC1103738  Hierochloe occidentalis Joseph P. Tracy 1942-5-16 17348 Humboldt Garberville 152 Comment
  HSC10124  Holcus lanatus T. F. Newman 1966-5-1 6647 Humboldt Jackson Ranch, Arcata Bottoms. Comment
  HSC97396  Holcus lanatus J. Wendell Howe 1934-6-27 1278 Humboldt Arcata. Comment
  SEINET181174 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-9 15059 Humboldt Clam Beach; 15 miles north of Eureka. Comment
  UC1056070  Holcus lanatus J. I. Mallory 1955-7-22 117 Humboldt 1 mi n Luke Prairie (Quad 29-B-2); Peavine Ridge 701 Comment
  BLMAR40  Holcus lanatus Brad Barr 1982-6-21 40 Humboldt King range, hidden valley enclosure Comment
  CAS-BOT-BC149908  Holodiscus discolor Clarence R. Quick 1959-7-24 59 -26 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC58057  Holodiscus discolor G. L. Clifton, Griswold 1979-8-1 11927 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC58168  Holodiscus discolor G. L. Clifton, Griswold 1979-8-2 12239 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  RSA46788  Holodiscus discolor Doris Kildale Gillespie 1937-8-12 15256 Humboldt South Fork Mountain. Comment
  SD42284  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt North coast Range, Wildcat Ridge, 6 3/10 mi. So. of Ferndale 305 Comment
  UC1103486  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1943-7-18 17439 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC289564  Hordeum marinum subsp. gussoneanum Henry M. Pollard 1946-8-27 s.n. Humboldt South sid eof Klamath River near Bryce Creek, Orleans region Comment
  SEINET11911570  Horkelia sericata H. P. Chandler 1901-1 1543 Humboldt Klamath River 427 Comment
  CAS-BOT-BC537897  Horkelia tridentata var. flavescens Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC58539  Hosackia oblongifolia var. oblongifolia Overton, Butler 1979-7-23 9469 Humboldt Near Horse Mtn. Creek, close to the town of Willow Creek 1326 Comment
  HSC39777  Hydrocotyle ranunculoides Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  CAS-BOT-BC401238  Hypericum perforatum Henry M. Pollard 1948-7-21 s.n. Humboldt Near Orleans Comment
  JEPS36532  Hypochaeris glabra Lincoln Constance 1934-5-24 639 Humboldt South fork Eel River; Bull Creek Region 121 Comment
  HSC39801  Hypochaeris radicata Peter Sorensen 1976-6-11 Humboldt Woodley Island Comment
  UC204743  Hypochaeris radicata Joseph P. Tracy 1918-7-5 5022 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC206841  Iliamna latibracteata Joseph P. Tracy 1938-8-14 16104 Humboldt Willow Creek Canyon, along Trinity Highway 762 Comment
  SD58504  Iliamna latibracteata Joseph P. Tracy 1949-9-1 18525 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
  RSA49981  Iris chrysophylla E. L. Nelson 1949-1 s.n. Humboldt Originally collected at Weitchpec, CA on hot dry open slopes along road. Comment
  HSC91876  Iris douglasiana E. Mackey 1986-5-13 Humboldt Patrick's Point State Park near Ceremonial Rock Comment
  UCR275116  Iris douglasiana Charity A. Hartshorn 2016-5-14 30 Humboldt Arcata Community Forest 244 Comment
  HSC13864  Iris douglasiana John A. DuBois 1962-5-5 17 Humboldt 20 mi. E of Arcata Comment
  JEPS86128  Iris douglasiana Wayne Roderick 1966-5-5 Humboldt ca 2 mi e Carlotta 30 Comment
  UC4291  Iris macrosiphon J. Burtt Davy 1899-6-21 5745 Humboldt Hoopa Valley; North Coast Ranges Comment
  UC1174759  Iris tenax subsp. klamathensis L. W. Lenz 1953-5-13 18296 Humboldt along Klamath River Klamath River (Orleans); ; along Klamath River, Orleans, Humboldt Co. Comment
  HSC101964  Iris tenuissima M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 859 Humboldt Patterson Meadows 1566 Comment
  HSC13903  Iris tenuissima Francis Winter 1960-4-24 Humboldt 7 mi. W of Hoopa Indian Reservation, Bair Rd. 915 Comment
  RSA135922  Iris tenuissima Lee W. Lenz 1953-5-17 18319 Humboldt 1 mile west of Willow Creek, Highway 299 Comment
  HSC97581  Iris tenuissima subsp. tenuissima Cara Witte 2007-5-29 131 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1251 Comment
  CHSC84742  Isolepis cernua L. P. Janeway 2003-7-27 7928 Humboldt North Coast. East shore of Big Lagoon, about 0.3 km north of mouth of Tom Creek. 2 Comment
  CAS-BOT-BC340155  Jaumea carnosa Doris K. Kildale 1929-6-6 8484 Humboldt Stone Lagoon Comment
  CAS-BOT-BC340228  Jaumea carnosa Marcus E. Jones 1931-7-16 2911 Humboldt Arcata Comment
  CAS-BOT-BC340153  Jaumea carnosa C. C. Harris; S. K. Harris 1939-8-26 s.n. Humboldt South shore of Humboldt Bay Comment
  CAS-BOT-BC101963  Juglans hindsii Henry M. Pollard 1947-8-30 s.n. Humboldt Along Klamath River nr. Wilson Creek, Orleans region Comment
  UC184199  Juncus ambiguus Joseph P. Tracy 1912-6-16 3699 Humboldt region about Humboldt Bay (Hookton); Northern Coast Region, , Hookton 0 Comment
  CHSC96733  Juncus balticus subsp. ater Gordon Leppig 1999-10-3 1259 Humboldt Big Lagoon County Park, Big Lagoon Bog. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  CHSC105149  Juncus bolanderi Peter F. Zika 2008-10-19 24230 Humboldt E side of Route 101, near Exit 728 for Trinidad Beach (North Coast NCo) 110 Comment
  UC1103037  Juncus bolanderi Joseph P. Tracy 1900-9-2 932 Humboldt Eureka Northern Coast Region 0 Comment
  HSC91873  Juncus bufonius E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  HSC13995  Juncus bufonius D. E. Anderson 1961-9-9 1786 Humboldt Along Hwy. 101 Comment
  RSA46737  Juncus bufonius Doris K. Kildale 1927-6-25 3571 Humboldt Between Horn and Shelter Cove. Comment
  SEINET6333123  Juncus bufonius S. T. Parks, H. E. Parks 24254 Humboldt North Coast Ranges, Spruce Cove, Trinidad 61 Comment
  HSC23674  Juncus covillei Tim Baroni 1971-6-25 56 Humboldt Comment
  HSC34706  Juncus covillei Thomas W. Nelson 1974-7-20 1699 Humboldt McKeown Ranch N of Dinsmore, flood plain of Mad River Comment
  HSC99140  Juncus effusus Cara Witte 2008-7-28 945 Humboldt Buck Flat. Near intersection of National Forest 1 and Forest Service Road 5N01. 1591 Comment
  UCD141493  Juncus effusus K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 609 Comment
  POM126146  Juncus ensifolius Joseph P. Tracy 1924-7-13 6732 Humboldt Big Lagoon. 6 Comment
  UC1152102  Juncus ensifolius Joseph P. Tracy 1927-7-17 8278 Humboldt near Three Cabins ((Mad River Trip)) Comment
  UC1152090  Juncus falcatus subsp. sitchensis Joseph P. Tracy 1930-10-13 9218 Humboldt n end Humboldt Bay Comment
  UC167841  Juncus falcatus subsp. sitchensis Schmidt Humboldt Humboldt Bay Comment
  UC1196725  Juncus hesperius J. P. Tracy 1900-6-23 859 Humboldt immediate vicinity Eureka 0 Comment
  HSC90770  Juncus lescurii Gail Newton 1982-6-10 3608 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC98581  Juncus occidentalis Cara Witte 2008-7-16 924 Humboldt Mud Lake. Off National Forest 1, near Buck Flat. 1569 Comment
  UC1151998  Juncus occidentalis Joseph P. Tracy 1930-7-17 8981 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC235878  Keckiella corymbosa P. A. Munz 1936-8-9 14328 Humboldt Cliff, south fork of Eel River, 5 mi. north of Humboldt-Mendocino County-line Comment
  CAS-BOT-BC235889  Keckiella corymbosa Joseph P. Tracy 1933-9-9 13074 Humboldt Along S. Fork of Eel River. Vicinity of Garberville 121 Comment
  HSC102575  Kelloggia galioides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1562 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  JEPS12480  Kelloggia galioides Joseph P. Tracy 1930-7-19 9081 Humboldt near McKay Camp; South Fork Mountain 1676 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
  RSA10089  Koeleria macrantha Joseph P. Tracy 1925-7-5 7163 Humboldt High Prairie, on Bald Mountain. 1067 Comment
  UC922033  Koeleria macrantha Joseph P. Tracy 1936-8-2 15072 Humboldt French Camp Ridge 1066 Comment
  HSC77914  Landoltia punctata Daniel V. Richards 1981-8-20 103 Humboldt N Clam Beach Pond, E side of Hwy. 101 near Cranell exit. Comment
  UC302193  Lapsana communis Joseph P. Tracy 1926-6-6 7553 Humboldt Bair's on Redwood Creek Northern Coast Ranges, Redwood Creek 304 Comment
  HSC71032  Lasthenia californica Thomas W. Nelson 1977-4-20 3324 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UC205216  Lasthenia gracilis Joseph P. Tracy 1920-5-18 5320 Humboldt on Bull Creek, Look Prairie Northern Coast Ranges, Look Prairie, Bull Creek 152 Comment
  UC162576  Lathyrus jepsonii var. californicus Harley P. Chandler Jun 1910 1507 Humboldt Klamath River North Coast Ranges 426 Comment
  UC709418  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1941-3-26 16844 Humboldt w of mouth of South Fork of Trinity River 304 Comment
  RSA406670  Lathyrus latifolius M. B. Dunkle 1934-8-18 4808 Humboldt Fortuna Comment
  SDSU4464  Lathyrus latifolius D. F. Howe 1959-8-4 2807 Humboldt Roadside 9 miles east of Arcata on #299. Comment
  RSA246791  Lathyrus littoralis Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-9 35310 Humboldt Big Lagoon 3 Comment
  UCD106379  Lathyrus littoralis Roman Gankin 1965-8-6 552 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  HSC102562  Lathyrus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1549 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC15342  Lathyrus nevadensis var. nevadensis State Survey 1800-1 Humboldt Comment
  HSC14753  Lathyrus palustris J. P. Tracy 1907-7-20 2593 Humboldt Near Samoa Comment
  UC1222411  Lathyrus polyphyllus Joseph P. Tracy 1948-7-11 18074 Humboldt along Trinity Highway Willow Creek Canyon Comment
  UC162840  Lathyrus polyphyllus Joseph P. Tracy Jun 27 1908-Jun 30 1908 2731 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC14756  Lathyrus torreyi Lincoln Constance 1934-5-24 633 Humboldt S Fork Eel River, bordering lower Look Prairie on E. side 122 Comment
  HSC23072  Lathyrus tracyi Richard Spjut 1971-5-7 1859 Humboldt 2-4 mi. up Three creeks Rd., W of Willow Creek 457 Comment
  UC168987  Lathyrus vestitus var. vestitus Joseph P. Tracy 1912-8-3 3971 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1224620  Layia carnosa Peter H. Raven 1963-5-15 18370 Humboldt just w of Mad River Slough Lanphere Ranch; Arcata Comment
  UC89177  Layia carnosa Harley P. Chandler May 1901 1150 Humboldt Humboldt Bay 3 Comment
  CAS-BOT-BC534923  Lemna turionifera L. R. Abrams; R. Bacigalupi 1958-6-17 8271 Humboldt Big Lagoon south of Orick Comment
  UC672866  Lemna turionifera Joseph P. Tracy 1935-7-17 14109 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  HSC12416  Leontodon saxatilis subsp. saxatilis D. Santana Oct 1970 27 Humboldt Road side near Big Lagoon Comment
  UC175386  Leontodon saxatilis subsp. saxatilis J. P. Tracy 1909-7-4 3008 Humboldt immediate vicinity Eureka 0 Comment
  UC1116214  Lepidium nitidum Joseph P. Tracy 1948-4-4 17962 Humboldt near Samoa; Humboldt Bay 6 Comment
  CAS-BOT-BC12701  Lepidium oblongum Volney Rattan 1879-1-1 s.n. Humboldt Unspecified. Comment
  CAS-BOT-BC226526  Leptosiphon acicularis Doris K. Kildale 1926-4-25 1800 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC334615  Leucanthemum vulgare L. R. Abrams 1916-7-18 6076 Humboldt Between Arcata and Trinidad Comment
  SEINET4691296 Image available Leucanthemum vulgare Joseph P. Tracy 1918-1 5080 Humboldt Northern Coast Range; Around Humboldt Bay; Humboldt Hill 152 Comment
  HSC101968  Lewisia nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 864 Humboldt Patterson Meadows 1555 Comment
  BLMAR412  Leymus X vancouverensis Jennifer Wheeler 2007-8-22 412 Humboldt South Spit, East side, eastern edge of north end Comment
  UCD65598  Leymus triticoides Malcolm A. Nobs; S. Galen Smith 1949-8-3 1204 Humboldt Salt marshes bordering Humboldt Bay, CA. 2 miles N of Eureka. Comment
  UC1103400  Lilaeopsis occidentalis W. L. Jepson and Joseph P. Tracy 1921-8-7 5866 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 3 Comment
  CAS-BOT-BC130634  Lilium kelloggii Doris K. Kildale 1925-6-28 790 Humboldt Kneeland Prairie 609 Comment
  JEPS109810  Lilium kelloggii Dean W. Taylor 2004-6-23 19116 Humboldt Fickle Hill Road 1.3 miles north of junction Butler Valley Road 542 Comment
  RSA130331  Lilium kelloggii Albert M. Vollmer, L. Beane 1953-07 119 Humboldt Freshwater Comment
  RSA74745  Lilium kelloggii Albert M. Vollmer, L. Beane 1951-06 s.n. Humboldt On trail to Blohns cabin, Bald Mountain, east of Korbel Comment
  UC666960  Lilium kelloggii Joseph P. Tracy Aug 1934 13643 1/2 Humboldt w edge Kneeland Prairie Comment
  CAS-BOT-BC130685  Lilium occidentale A. M. Vollmer; L. Beane 1953-7-1 118 Humboldt unspecified Comment
  LA22064  Lilium occidentale Carl Epling; William Robison 1935-7-22 sn Humboldt near Patrick's Point Comment
  UC423442  Lilium pardalinum P. E. Goddard 1907-7-14 127 b Humboldt Van Duzen Comment
  HSC54016  Lilium pardalinum subsp. pardalinum Griswold, Butler 1979-7-12 7158 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC75488  Lilium pardalinum subsp. pardalinum J. O. Sawyer 1980-7-18 3627 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC63174  Lilium rubescens M. A. Baker 1979-7-10 1020 Humboldt S of Dragsaw Spring along USFS Rd. 13N01 Comment
  RSA46876  Lilium rubescens Doris K. Kildale 1927-7-17 s.n. Humboldt Bug Creek, Chaparral Mountain Comment
  UC1198230  Lilium rubescens Joseph P. Tracy 1914-9-6 4616 Humboldt Bald Mountain Northern Coast Ranges (between High Prairie and Snow Camp) 1066 Comment
  UCR39794  Lilium rubescens D. K. Imper 1983-7-11 s.n. Humboldt Six Rivers National Forest. Forest Service Road 10N14 c. 2 mi north of junction with 13N01, north of Blue Lake 762 Comment
  JEPS19627  Limnanthes douglasii W. L. Jepson 1934-5-7 16699 Humboldt Buckeye Prairie Bull Creek Comment
  SEINET7253531 Image available Limonium californicum Joseph P. Tracy 1901-1 1254 Humboldt At Samoa 1 Comment
  UC1198579  Linanthus androsaceus Joseph P. Tracy 1942-6-28 17273 Humboldt Murphy Ridge Bald Mountain 914 Comment
  UC1198540  Linanthus bolanderi Joseph P. Tracy 1914-7-5 4566 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  CDA6374  Linaria vulgaris E. C. Whitney 1965-9-25 Humboldt Highway 101, Fortuna. 0 Comment
  UC602524  Linnaea borealis var. longiflora Joseph P. Tracy 1937-7-24 15534 Humboldt head of Little Hors-Linto Creek Trinity Summit; , head of Little Hors-Linto Creek 1371 Comment
  HSC59497  Linum bienne M. A. Ericksen 1979-5-23 304 Humboldt 880 Central Ave., McKinleyville. Comment
  HSC55228  Listera convallarioides G. L. Clifton, Griswold 1979-8-2 12428 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS37740  Lithocarpus densiflorus W. L. Jepson 1902-7-14 2024 A Humboldt Hupa Comment
  UC1196365  Lithocarpus densiflorus Joseph P. Tracy 1948-8-15 18137 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC54688  Lithocarpus densiflorus P. E. Goddard 1901-7-6 46 Humboldt Hupa Comment
  RSA697654  Lithocarpus densiflorus var. densiflorus Unspecified 1936-09 s.n. Humboldt Richardson's Grove (State Park). Comment
  UC492223  Lithophragma Joseph P. Tracy 1932-4-24 9823 Humboldt South Fork of Eel River between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  CAS-BOT-BC283405  Lolium multiflorum Carl B. Wolf 1927-8-29 1215 Humboldt Seacoast, Devil's Gate, S of Cape Mendocino Comment
  UC50710  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6187 Humboldt Cape Mendocino Comment
  HSC10306  Lolium perenne R. H. Berg 1963-2-27 4 Humboldt Arcata, Fickle Hill area. Comment
  RSA296857  Lolium perenne subsp. multiflorum Lincoln Constance 1927-5-27 699 Humboldt Gravel bar of South Fork of Eel River, S. end of Dryerville Bridge 46 Comment
  UC1103156  Lolium temulentum Joseph P. Tracy 1913-6-19 4211 Humboldt opposite Buck Mountain (Dinsmore's Ranch, in Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  BLMAR646  Lomatium Jennifer Wheeler 2011-5-27 646 Humboldt Lacks Creek, Oak woodland of Stormy Saddle 1097 Comment
  HSC82019  Lomatium ciliolatum var. ciliolatum Thomas W. Nelson, James Nelson 1980-6-10 5396 Humboldt Along Swayback Ridge 4-wheel drive road, 1.25 mi. S of junction with Forest Service road. 1494 Comment
  HSC71591  Lomatium dasycarpum subsp. dasycarpum M. A. Baker 1980-6-26 2398 Humboldt Near Sims Creek 610 Comment
  POM32369  Lomatium dissectum var. dissectum Lincoln Constance, Alan Beetle, Joseph Tracy 1940-5-17 2617 Humboldt NW slope, Lower slopes of Buck Mtn, near Eureka. 793 Comment
  HSC103420  Lomatium dissectum var. multifidum J. McIntire, S. Lyon 2005-6-3 3 Humboldt White Oak Opening; 19.3 mi. south of Hwy. 299 on Forest Service Rd. NF1. 1240 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
  HSC74381  Lomatium macrocarpum M. A. Baker 1980-6-28 2477 Humboldt Near Mad River Buttes 1445 Comment
  RSA12522  Lomatium macrocarpum C. B. Wolf 1934-7-3 5914 Humboldt 21 mi. from Orick on Weitchpec Rd. Comment
  HSC63089  Lomatium martindalei M. A. Baker 1979-7-6 1013 Humboldt 0.6 k. W of FS 15N01 on FS 12N16 toward Bald Mtn. Comment
  RSA119326  Lomatium martindalei S. Tillett 1956-7-6 627 Humboldt 12 miles from Orleans on road south from Bar Shanty road to east of Orleans 1174 Comment
  CAS-BOT-BC211199  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mountain 1219 Comment
  JEPS14215  Lomatium utriculatum Joseph P. Tracy 1930-6-29 8814 Humboldt lower foothills of n.w. slope Buck Mt. 762 Comment
  UC1197140  Lomatium utriculatum Joseph P. Tracy 1924-3-16 6626 Humboldt Northern Coast Ranges, Garberville 121 Comment
  CAS-BOT-BC240472  Lonicera hispidula Ynez Whilton Winblad 1941-6-24 s.n. Humboldt Between Garberville and Hartsook Comment
  UCSB15522  Lonicera involucrata Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC96530  Lonicera involucrata var. ledebourii Gordon Leppig 1998-5-11 758 Humboldt Big Lagoon County Park. 3 Comment
  UC1239557  Lonicera involucrata var. ledebourii Joseph P. Tracy 1901-4-21 1033 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS25684  Lotus aboriginus P. C. Hutchison 1961-5-22 2007 Humboldt 14.3 mi e Arcata junction with U.S. Hwy. 101 (on Hwy 299) Comment
  HSC25291  Lotus corniculatus R. Spellenberg 1964-6-15 409 Humboldt 0.5 mi. S of Humboldt Hill exit, 5 mi. S of Eureka Comment
  RSA168888  Lotus denticulatus Joseph P. Tracy 1933-6-25 12625 Humboldt Eel River Bar at Camp Grant 3 miles above junction of the South Fork. Comment
  SEINET3696599 Image available Lotus douglasii Joseph P. Tracy 1911-7-6 3358 Humboldt Road between Three Creeks and mouth of Willow Creek 762 Comment
  RSA406183  Lotus humistratus Lester Rowntree 1931-7-21 s.n. Humboldt Mattole River Bridge 2 miles from Petrolia. Comment
  UC1565793  Lotus purshianus var. purshianus R. Spellenberg 1990-7-10 Humboldt 11 air e Burnt Ranch at Buck Flat (at junction of USFS Rd 5N01 and USFS Rd 1, 12 mi s of Berry Summit (on CA Hwy 299) on USFS Rd 1, extreme e edge of county); Buck Flat 1432 Comment
  UC594244  Lotus purshianus var. purshianus S. K. Harris and J. P. Tracy 1936-6-10 3249 Humboldt Tracy's Ranch Willow Creek Comment
  UC726597  Lotus purshianus var. purshianus A. A. Heller 1923-7-9 Humboldt between Eureka and Fortuna Comment
  SEINET3559880 Image available Lotus tenuis Joseph P. Tracy 1950-9-22 19345 Humboldt Field's Landing, 2 mi S of town 6 Comment
  UC726370  Lupinus A. A. Heller 1923-7-8 13774 Humboldt near Fortuna; near Fortuna Comment
  RSA104807  Lupinus adsurgens var. adsurgens E. R. Drew, Chestnut 1888-7-21 146385 Humboldt S Fork Mtn. Comment
  SEINET10936548  Lupinus adsurgens var. adsurgens Chestnut 1888-7-21 CHESTNUT s.n. Humboldt Type photo. W side south fork mountain. Comment
  RSA167379  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. 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
  CHSC68783  Lupinus arboreus Vernon Oswald 1997-6-5 8534 Humboldt North spit of Humboldt Bay, west side of New Navy Base Road. 1.0 mi south of Hwy. 255. 6 Comment
  HSC14776  Lupinus arboreus S. J. Hawks 1965-5-18 84 Humboldt W of Arcata Airport. Comment
  HSC40960  Lupinus bicolor Linda M. Barker 1976-6-1 1564 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC156984  Lupinus bicolor Joseph P. Tracy 1908-6 2693 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  BLMAR611  Lupinus bicolor Jennifer Wheeler 2011-4-22 611 Humboldt King range, Strawberry Rock 243 Comment
  HSC36191  Lupinus constancei Thomas W. Nelson 1973-7-10 1017 Humboldt Humboldt/Trinity County line, Mt. Lassic (Signal Peak) 1790 Comment
  SEINET12154563  Lupinus latifolius J. P. Tracy 1936-1 15036 Humboldt Grouse Mtn 1524 Comment
  HSC63291  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-6-27 936 Humboldt Drainage E of Oregon Creek. Comment
  RSA167392  Lupinus latifolius subsp. viridifolius Joseph P. Tracy 1939-4-29 16252 Humboldt Klamath River, northwest side; 2 miles below Orleans. 1220 Comment
  UC176599  Lupinus latifolius var. latifolius Joseph P. Tracy 1913-6-20 4240 Humboldt lower foothills on its nw slope Buck Mountain; Northern Coast Ranges, lower foothills Buck Mountain 762 Comment
  HSC95097  Lupinus littoralis Andrea Pickart 2002-7-3 151 Humboldt Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 24 Comment
  UC1223264  Lupinus littoralis Joseph P. Tracy 1934-7-21 13481 Humboldt Samoa Sand Dunes Comment
  RSA26960  Lupinus luteolus C. Leo Hitchcock, J. S. Martin 1939-7-11 5421 Humboldt 65 miles E of Arcata, bank near road. 457 Comment
  UC150118  Lupinus nanus Harley P. Chandler June, 1901 1314 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC865174  Lupinus polyphyllus var. polyphyllus Eliz. Parsons Hawver June 1915 Humboldt Carlotta Comment
  UC774984  Lupinus polyphyllus var. polyphyllus Carl B. Wolf 1937-8-11 9144 Humboldt 1/2 mi e Alton; e of Alton 21 Comment
  RSA32847  Lupinus rivularis A. A. Heller 1923-7-8 13774 Humboldt Near Fortuna Comment
  UC503017  Lupinus rivularis Joseph P. Tracy 1927-6-18 8189 1/2 Humboldt Capetown; Northern Coast Ranges, Capetown 304 Comment
  SEINET12154707  Lupinus sellulus J. P. Tracy 1933-1 12350 Humboldt Gasquet 91 Comment
  SEINET10450622  Lupinus sellulus var. lobbii Thomas W. Nelson, Jane P. Nelson 1976-6-15 Nelson 2710 Humboldt Growing on serpentine along old trail from lookout to blocksburg. 1524 Comment
  HSC40816  Luzula comosa Thomas W. Nelson, Jane P. Nelson 1976-6-22 2863 Humboldt Along Rd. to Goat Hill. 1646 Comment
  HSC56410  Luzula comosa Griswold, Butler 1979-7-11 7044 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  UC2978  Luzula comosa Harley P. Chandler June, 1901 1312 A Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 304 Comment
  UC1152129  Luzula comosa Joseph P. Tracy 1930-7-23 9128 Humboldt at Cold Springs (Grouse Mountain); , at Cold Springs 1432 Comment
  UCD142120  Luzula comosa R. Tofsrud 1948-9-1 s.n. Humboldt between Telton Hill and Clear Lake, on road from Horse Mt. to Grouse Mt. Comment
  JEPS67158  Luzula macrantha Joseph P. Tracy 1926-5-2 7446 Humboldt Near Ruby Creek, Willow Creek Canyon, Northern Coast Ranges, 609 Comment
  CAS-BOT-BC441228  Luzula macrantha Joseph P. Tracy 1926-5-2 7446 Humboldt North Coast Ranges: Willow Creek Canyon, near Ruby Creek 609 Comment
  HSC70988  Luzula parviflora Gail Newton 1980-7-20 1649 Humboldt Near Bell Swamps. 1426 Comment
  SEINET8717658 Image available Luzula parviflora H. E. Parks, S. T. Parks 1952-1 22446 Humboldt Bishop Pine Lodge. Trinidad. Comment
  LA205865  Lycopodiella inundata Lawrence L. Kiefer; D. Branscomb 1964-5-20 1436 Humboldt Big Lagoon State Park 15 Comment
  HSC97349  Lycopodium clavatum D. E. Anderson 1965-11-26 4176 Humboldt 2 mi. E. of Moonstone Beach Comment
  JEPS26544  Lycopodium clavatum Don Branscomb July, 1959 Humboldt Trinidad Comment
  UC577349  Lycopus uniflorus H. E. Parks and Joseph P. Tracy 1924-8-3 6765 Humboldt Big Lagoon 6 Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  UC1733678  Lysichiton americanus Kay H. Beach, Frank Gould 1940-5-5 478 Humboldt near Fields Landing. Comment
  UCSB26679  Lysichiton americanus Neil Havlik 1968-8-21 63 Humboldt collected ath the S-end of the Big Lagoon N of Trinidad Big Lagoon and Trinidad 1 Comment
  HSC15936  Lythrum hyssopifolia D. E. Anderson 1961-9-2 1761 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  RSA0015874  Lythrum hyssopifolia H. M. Pollard 1948-7-21 s.n. Humboldt Along Klamath River near Orleans. Comment
  CAS-BOT-BC342806  Madia elegans Harley P. Chandler 1901-6-1 1409 Humboldt North Coast Ranges. Klamath River 243 Comment
  HSC70362  Madia elegans Gail Newton 1980-6-7 124 Humboldt Near Brush Mtn. 1128 Comment
  UC494086  Madia elegans H. E. Parks and J. P. Tracy 1930-5-25 882 Humboldt Laribee Valley Comment
  CAS-BOT-BC342800  Madia elegans Joseph P. Tracy 1934-8-24 13599 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC129391  Madia exigua Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5466 Humboldt near Elk Prairie Comment
  HSC68000  Madia exigua J. P. Smith, Steve Selva 1970-6-30 4097 Humboldt Comment
  HSC100441  Madia filipes Carl C. Marshall Jun 1887 457 Humboldt Near Harris. Comment
  CAS-BOT-BC343029  Madia gracilis David D. Keck 1944-7-11 5500 Humboldt 12.3 mi. S.E. of Petrolia; halfway between upper Mattole and Honeydew, Mattole River 121 Comment
  CAS-BOT-BC343030  Madia gracilis David D. Keck 1944-7-11 5500 Humboldt 12.3 mi. S.E. of Petrolia; halfway between upper Mattole and Honeydew, Mattole River 121 Comment
  HSC44541  Madia gracilis Brad Klipfel 1973-7-15 160 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC98981  Madia gracilis Cara Witte 2007-7-11 483 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  JEPS40388  Madia gracilis W. L. Jepson 1932-7-26 16405 Humboldt Bull Creek 106 Comment
  HSC35590  Madia gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2001 Humboldt Along Bald Hills Rd., just W of French Camp Comment
  UC495627 Image available Madia gracilis Joseph P. Tracy 1931-6-28 9588 Humboldt lower foothills of northwest slope of Buck Mountain Comment
  RSA792307  Madia madioides Rebecca Wenk, P. Hopkinson, M. Hammond, S. Spiegal 2008-6-6 835 Humboldt Humboldt Redwoods State Park. Look Prarie, 0.5 air miles north of Mattole Road, about 3 air miles west of Highway 101. 244 Comment
  RSA47169  Madia sativa Doris K. Kildale 1927-6-25 s.n. Humboldt Shelter Cove. Comment
  HSC81706  Madia sativa Thomas W. Nelson 1980-8-12 6239 Humboldt Logging roads S of Lundbar Hills 61 Comment
  UC1069897  Madia sativa H. L. Person 1932-8-15 Humboldt Korbel Eureka Quadrangle Comment
  CHSC10104  Maianthemum dilatatum J. W. Johnson 1962-4-21 1287 Humboldt Arcata. Along Lanphere Lane, Samoa Peninsula. Comment
  HSC59066  Maianthemum dilatatum Thomas Wood 1979-4-20 120 Humboldt Along frontage road, parallel and E of Hwy. 101 at Patrick Creek Dr. intersection, S of Patrick Creek 6 Comment
  RSA13579  Maianthemum dilatatum H. E. Parks 1932-05 4289 Humboldt Bishop Pine Lodge, Trinidad. Comment
  HSC97658  Maianthemum dilatatum Danny Pineda 2001-5-3 16 Humboldt 3 mi. E of Hwy. 299 on West End Rd. 61 Comment
  SD46488  Maianthemum dilatatum E. K. Balls, L. W. Lenz 1956-6-12 21668 Humboldt 4.7 miles south of Humboldt-Del Norte County line, U.S. Highway 101, Arcata to Crescent City. O forest floor in deep humus. 60 Comment
  SEINET12050376  Maianthemum dilatatum F. H. Utech 1988-1 88 -272 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36, Van Duzen County Park, Pamplin Grove 50 Comment
  HSC98155  Maianthemum stellatum F. B. Plett 1963-4-21 19 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  RSA24192  Maianthemum stellatum Carl B. Wolf 1941-3-2 9982 Humboldt Along north bank of the Van Duzen River, 4.8 miles above Carlotta 61 Comment
  UC127825  Malacothrix floccifera Harley P. Chandler June, 1901 1360 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC582999  Malacothrix floccifera P. A. Munz 1936-8-9 14333 Humboldt 5 mi n line between Mendocino and Humboldt Counties (s of fork of Eel River) Comment
  HSC6006  Malacothrix floccifera Paul Shields Aug 1955 Humboldt 7 mi. S of Myers Flat Comment
  RSA151816  Malus fusca H. E. Parks 1939-05 s.n. Humboldt Trinidad, Spruce cove, near sea level. Comment
  POM67053  Marah oregana Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UCR51832  Marah oregana J. D. Ackerman 1975-6-10 451 Humboldt Humboldt Bay, c. 1 mi. north of Samoa bridge turnoff from Samoa Blvd., south of Manila Comment
  CAS-BOT-BC67838  Marsilea vestita Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  UC160957  Medicago lupulina Harley P. Chandler June, 1901 1423 Humboldt Klamath River Northern Coast Ranges 304 Comment
  UCD107900  Medicago polymorpha W. Williams 1951-1 s.n. Humboldt location unknown. Comment
  UC1145132  Melica aristata Joseph P. Tracy 1948-8-15 18157 Humboldt 2 mi e Grove's Prairie (on ridge, Trinity Summit); Trinity Summit 1524 Comment
  UC552700  Melica californica Joseph P. Tracy 1935-5-25 13888 Humboldt Dobbyn Creek; Northern Coast Ranges 152 Comment
  HSC10347  Melica geyeri A. H. Murphy 1951-4-18 21 Humboldt Ft. Seward next to railroad right of way. 183 Comment
  UCD87357  Melica geyeri Joseph. P. Tracy 1942-6-2 17099 Humboldt 2 miles north of Bridgeville. 609 Comment
  UCD87377  Melica harfordii Harley P. Chandler 1901-6-1 1477 Humboldt North Coast Ranges. Klamath River. 365 Comment
  HSC102218  Melica subulata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1134 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC71570  Melilotus albus J. P. Smith 1971-10-9 5042 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  JEPS63289  Melissa officinalis W. L. Jepson 1936-8-6 17854 Humboldt Philipsville, S. Fork Eel R. S. Fork Eel R., Philipsville Comment
  HSC14244  Mentha canadensis John Warner Hosking 1968-10-10 Humboldt Clam Beach. Comment
  RSA83450  Mentha canadensis F. W. Peirson 1926-7-12 7044 Humboldt Humboldt County: Orick Comment
  JEPS80895  Menziesia ferruginea B. A. Bohm, K. W. Nichols 1981-5-11 1573 Humboldt Mile 133.12, U. S. Highway 101 Mile 133.12; , U. S. Highway 101 Comment
Read comments
Jul 9 2015
  RSA46478  Menziesia ferruginea Doris K. Kildale 1927-6-26 3596 Humboldt Redwoods between Big Lagoon and Trinidad. Comment
  UC1223188  Micropus californicus var. californicus Joseph P. Tracy 1950-6-15 18774 Humboldt 5 mi n Harris (on the old Overland Road); Mail Ridge, on the old Overland Road Comment
  SEINET11601912 Image available Microseris borealis K. L. Chambers 1957-8-31 1225 Humboldt Lake Prairie, on road from Bald Mt. to Show Camp, ca. 9 miles S of Ranger Station. In sphagnum bog SE end of the lake Comment
  UC275469  Microseris douglasii subsp. douglasii Joseph P. Tracy 1925-5-30 7022 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  CAS-BOT-BC322682  Microseris laciniata K. L. Chambers 1969-5-26 2932 Humboldt Weitchpec, 0.8 mile west of Highway 96 on the way to the old school-house Comment
  RSA72856  Microseris leptosepala A. Kellogg, W. G. W. Harford 1868-09 567 Humboldt [Unspecified] Comment
  CAS-BOT-BC349237  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  HSC6099  Microseris nutans J. P. Tracy 1930-7-16 8900 Humboldt Near McKay Camp. 1677 Comment
  POM247189  Microseris nutans Joseph P. Tracy 1930-7-16 8900 Humboldt South Fork Mountain, near McKay Camp 1677 Comment
  CHSC57440  Microsteris gracilis L. P. Janeway 1984-6-23 899 Humboldt Titlow Hill. 1478 Comment
  HSC40549  Microsteris gracilis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2519 Humboldt SW facing slopes 1666 Comment
  HSC50571  Microsteris gracilis G. L. Clifton, Griswold 1979-8-1 12061 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC75437  Microsteris gracilis J. O. Sawyer 1980-7-18 3593 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC89450  Mimulus aurantiacus var. aurantiacus P. A. Daly 1984-5-8 15 Humboldt Trinidad Head 61 Comment
  RSA14133  Mimulus aurantiacus var. aurantiacus Elmer I. Applegate 1923-9-12 3988 Humboldt Stone Lagoon, below Orick Comment
  UC1196800  Mimulus breweri Joseph P. Tracy 1919-9-22 5264 Humboldt Trinity Summit Northern Coast Ranges 1889 Comment
  UC147910  Mimulus breweri Joseph P. Tracy 1908-6 2844 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  UC147904  Mimulus breweri Joseph P. Tracy 1908-6 2699 Humboldt opposite Buck Mountain; Northern Coast Ranges, Van Duzen River Valley 762 Comment
  HSC70513  Mimulus cardinalis Thomas W. Nelson, Jane P. Nelson 1977-8-6 3685 Humboldt Along Mad River at Anderson's Ford 640 Comment
  UC26907  Mimulus dentatus Harley P. Chandler May, 1901 1199 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  HSC100669  Mimulus dentatus Carl C. Marshall Jun 1886 126 Humboldt Damp places near the bay. Comment
  HSC20741  Mimulus guttatus S. R. Johnson 1965-4-16 40 Humboldt 1 mi. N of Luffenholtz Beach Comment
  CDA41715  Mimulus kelloggii K. Esau 1935-4-23 s.n. Humboldt Ft. Seward. 0 Comment
  HSC103093  Mimulus kelloggii Sydney Carothers 2014-6-10 9 Humboldt Six Rivers National Forest, Lassics Botanical Area. Along trail to Mt. Lassic approaching Peak 1. 1707 Comment
  HSC104076  Mimulus layneae S. Carothers 2002-6-11 Humboldt Six Rivers National Forest; along Ruth Lake Rd., between Ruth and bridge crossing to Shannon Butte 841 Comment
  HSC40813  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2866 Humboldt Along Rd. to Goat Hill. 1646 Comment
  UC582710  Mimulus nasutus Joseph P. Tracy 1933-5-20 12252 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  JEPS10599  Mimulus pilosus Joseph P. Tracy 1925-11-1 7300 Humboldt Shively 60 Comment
  UC1103538  Minuartia californica Joseph P. Tracy 1922-5-29 6072 Humboldt South Yager Creek Northern Coast Ranges (head) 762 Comment
  UC183621  Minuartia californica Joseph P. Tracy 1913-5-4 4068 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC275482  Minuartia cismontana Joseph P. Tracy 1925-5-30 7040 Humboldt McClellan Mountain Northern Coast Ranges 822 Comment
  HSC32233  Minuartia douglasii J. O. Sawyer 1970-6-24 2247 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC67388  Minuartia douglasii Thomas W. Nelson, James Nelson 1980-6-10 5413 Humboldt Along Swayback Ridge Rd., 2.5 mi. N of junction with FS Rd. 1S07 1463 Comment
  HSC70389  Minuartia douglasii Gail Newton 1980-6-7 138 Humboldt Near Brush Mtn. 1128 Comment
  HSC74275  Minuartia douglasii M. A. Baker 1980-5-23 1383 Humboldt Near Buck Mtn. 1524 Comment
  RSA21094  Minuartia douglasii C. B. Wolf 1937-6-14 8822 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  CAS-BOT-BC432905  Mitella Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC95189  Mitella caulescens Gordon Leppig, T. LaBanca 2003-5-12 1901 Humboldt Pacific Lumber Company land, S of Pepperwood, THP 1-03-050 HUM. 60 Comment
  CAS-BOT-BC433033  Mitella ovalis J. P. Tracy 1901-6-10 1133 Humboldt Immediate vicinity of Eureka 152 Comment
  CAS-BOT-BC433035  Mitella ovalis C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  HSC44280  Mitella ovalis Barbara Kelly 1977-4-23 305 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC72792  Moehringia macrophylla M. A. Baker 1980-6-16 1931 Humboldt Near Monks Camp 109 Comment
  UC1191371  Mollugo verticillata Malcolm A. Nobs, S. Galen Smith 1949-8-11 1339 Humboldt eastern shore of Stone Lagoon; Stone Lagoo Comment
  HSC58155  Monardella odoratissima G. L. Clifton, Griswold 1979-8-2 12207 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC14275  Monardella odoratissima Doris K. Kildale 1927-7-22 3814 Humboldt Lasseck's Peak Comment
  JEPS109950  Monardella odoratissima subsp. odoratissima Dean W. Taylor 2007-7-12 20164 Humboldt Pig Toe, along the Fruit Ranch road. 762 Comment
  HSC98012  Monardella sheltonii Cara Witte 2007-7-27 603 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1413 Comment
  SEINET13948727 Image available Monardella villosa H. Lewis 1940-1 Humboldt 1 mi N of Richardson Grove State Park Comment
  UCD125294  Monardella villosa var. tomentosa D. Wiesendanger; F. Randall 1926-7-1 1547 Humboldt Richardson Grove, Redwood Highway. Comment
  SJSU2518  Monotropa hypopitys H. L. Buckalew 1962-6-28 Humboldt Prairie Cr Redwoods State Park Comment
  POM163985  Montia howellii Joseph P. Tracy 1916-5-7 4686 Humboldt Eureka Comment
  HSC55086  Montia parvifolia G. L. Clifton, Terry Griswold 1979-7-31 11753 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC445155  Montia parvifolia Doris K. Kildale 1926-5-27 1695 Humboldt Yager Creek, near mouth Comment
  HSC16100  Morella californica P. Markle 1962-5-24 63 Humboldt Edge of 18th St. in Arcata 30 Comment
  UC176040  Morella californica Joseph P. Tracy 1913-9-9 4394 Humboldt Northern Coast Ranges: Patrick's Point Comment
  CAS-BOT-BC260574  Muhlenbergia filiformis Joseph P. Tracy 1932-7-14 10544 Humboldt Klamath Mountains. At Corral Prairie 1524 Comment
  UC526744  Muhlenbergia filiformis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8920 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain (in wet meadow) 1676 Comment
  HSC59659  Myosotis sylvatica Marla J. Carollo 1979-4-10 5 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  JEPS30068  Myrica californica Joseph P. Tracy 1931-4-12 9332 Humboldt Dows Prairie Northern Coast Ranges, Dows Prairie 60 Comment
  HSC41673  Myriophyllum aquaticum Charles O'Neil Humboldt McKinleyville, ponds W of Hwy. 101 Comment
  HSC77877  Myriophyllum hippuroides J. M. Handley 1977-11-28 771128 .1 Humboldt Lake Prairie, Snow Camp Rd., E of Maple Creek 1067 Comment
  RSA77516  Myriophyllum sibiricum F. W. Peirson 1923-7-11 3786 Humboldt 20 miles north of Eureka. Comment
  UC908512  Navarretia atractyloides Joseph P. Tracy 1925-7-12 7206 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC56334  Navarretia divaricata Overton, Butler 1979-8-2 12710 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS70295  Navarretia divaricata Joseph P. Tracy Jul 16 1930-Jul 19 1930 9065 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC52826  Navarretia divaricata subsp. vividior Chesnut and Drew 1888-7-23 Humboldt Hyampum Comment
  HSC32096  Navarretia intertexta D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5704 Humboldt McKeown Ranch, N of Dinsmore Comment
  JEPS70393  Navarretia leucocephala subsp. minima W. L. Jepson 1927-7-3 12366 Humboldt Miranda station South Fork Eel River 228 Comment
  UC1197893  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1933-7-25 12866 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC1222707  Navarretia pubescens Joseph P. Tracy 1950-6-23 18861 Humboldt 3 mi ne Alder Point; Dobbyn Creek 213 Comment
  UC1198528  Navarretia squarrosa Joseph P. Tracy 1927-7-24 8293 Humboldt Upper Mattole 152 Comment
  HSC43175  Navarretia squarrosa R. Sutherland 1976-8-13 16 .13876 Humboldt Redwood Creek, Whittemore Grove. 87 Comment
  JEPS70475  Navarretia squarrosa Lincoln Constance 1934-6-25 931 Humboldt across road Collin's Englewood Campground (on e side of road at Englewood, main Eel River); Eel River, Bull Creek Region, Englewood Comment
  POM182444  Navarretia tagetina Chestnut, E. R. Drew 1888-7-23 s.n. Humboldt Hy-Am-Pom [=Hyampom, Trinity Co?] Comment
  POM64955  Navarretia viscidula Joseph P. Tracy 1916-6-20 4732 Humboldt Alder Point, Northern Coast Ranges 152 Comment
  UC1116246  Nemophila menziesii Joseph P. Tracy 1948-5-31 17996 Humboldt Harris 609 Comment
  HSC13589  Nemophila menziesii D. E. Anderson 1965-4-24 3532 Humboldt Along Titlow Hill Rd. Comment
  UC163963  Nemophila menziesii var. atomaria Joseph P. Tracy 1906-5-6 2445 Humboldt near Hydesville; near Hydesville 60 Comment
  UC562583  Nemophila menziesii var. atomaria Joseph P. Tracy 1926-5-9 7464 Humboldt Valley of South Yager Creek 762 Comment
  UC562586  Nemophila menziesii var. atomaria Joseph P. Tracy 1927-4-17 7903 Humboldt 274 Comment
  BLMAR494  Nemophila parviflora Jennifer Wheeler 2009-4-30 494 Humboldt King range, Hidden Valley trail; trail start Comment
  JEPS1938  Nemophila pedunculata Joseph P. Tracy 1917-5-27 4784 Humboldt Eureka Northern Coast Ranges, Eureka 0 Comment
  UC1103812  Nemophila pedunculata Joseph P. Tracy 1923-2-25 6147 Humboldt Cummings Creek Northern Coast Ranges, , at Cummings Creek (Carlotta) 60 Comment
  UC1239687  Nepeta cataria Joseph P. Tracy 1930-8-17 9155 Humboldt Eureka; Northern Coast Ranges 0 Comment
  POM266040  Noccaea fendleri subsp. glauca Lincoln Constance, Reed C. Rollins 1942-5-11 2877 Humboldt Hoopa Valley, 5 miles south of Hoopa. 122 Comment
  UCD110186  Notholithocarpus densiflorus B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  HSC79504  Notholithocarpus densiflorus var. densiflorus Kenneth Clark 1980-6-14 692 Humboldt N Fork of Dead Man's Gulch; throughout Shelter Cove 61 Comment
  HSC59483  Nuttallanthus texanus M. A. Ericksen 1979-4-29 242 Humboldt 0.4 mi. N of Coast Guard Station, Samoa Peninsula. Comment
  JEPS122  Nuttallanthus texanus Lincoln Constance 1934-6-22 921 Humboldt South Fork Eel River, Summit Grasshopper Peak, down Canoe Creek, road to Redwood Hwy, thence n to Dyerville Canoe Creek; Bull Creek Region, South Fork Eel River, Grasshopper Peak, C Comment
  CAS-BOT-BC142253  Oemleria cerasiformis Alice Eastwood 1943-6-11 19876 Humboldt State Azalea Grove Comment
  HSC18701  Oemleria cerasiformis J. L. Baker 1965-3-13 13 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  UC1222315  Oemleria cerasiformis Joseph P. Tracy 1950-4-20 18618 Humboldt 2 mi w Dinsmore's (nw slope of Buck Mountain, lower slopes); Buck Mountain 762 Comment
  HSC39449  Oenanthe sarmentosa Linda M. Barker 1976-8-24 1686 Humboldt 3 mi. W of Arcata Comment
  HSC12413  Oenothera glazioviana D. Santana 1970-11-2 98 Humboldt 1 mi. S of Trinidad Comment
  HSC16523  Oenothera glazioviana David K. Smith 1968-11-20 68 Humboldt At jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  HSC92715  Oenothera villosa subsp. strigosa D. K. Imper 1985-7-15 Humboldt About 1 mi. S of Orleans on E side of Hwy. 96 43 Comment
  HSC58094  Oreostemma alpigenum var. andersonii G. L. Clifton, Griswold 1979-8-1 12010 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC82412  Oreostemma alpigenum var. andersonii Thomas W. Nelson 1979-7-11 5018 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  HSC39391  Orobanche fasciculata D. E. Anderson, J. P. Smith 1971-7-6 - 1274 Humboldt Horse Mtn. Comment
  CAS-BOT-BC458029  Orthilia secunda Carl B. Wolf 1937-8-13 9264 Humboldt North Coast Range, 12 mi. E of Hoopa Valley on new road twoards Trinity Summit 1676 Comment
  CAS-BOT-BC458030  Orthilia secunda Joseph P. Tracy 1932-7-20 10737 Humboldt Trinity Summit, near Corral Prairie 1584 Comment
  HSC104436  Orthilia secunda Bianca Hayashi 2013-6-18 Humboldt Northwest of Snow Camp Mountain Comment
  HSC56205  Orthocarpus imbricatus G. L. Clifton, Terry Griswold 1979-8-2 12197 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC168993  Orthocarpus imbricatus Mrs. M. H. Manning Aug. 1899 Humboldt Trinity Summit Comment
  HSC100700  Orthocarpus purpurascens Carl C. Marshall May 1886 209 Humboldt Salt marshes, Humboldt Bay. Comment
  POM147450  Orthocarpus purpurascens var. latifolius Joseph P. Tracy 1925-8-14 7230 Humboldt Near Samoa, on Humboldt Bay. Comment
  HSC56139  Osmorhiza occidentalis G. L. Clifton 1979-8-1 11960 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC96296  Osmorhiza occidentalis Laurel Goldsmith, Wanda Naylor 2005-6-10 7 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF1 1370 Comment
  HSC22047  Oxalis oregana B. D. Rogers, D. E. Anderson 1965-5-1 511 Humboldt 4 mi. SE of Arcata along Jacoby Creek Comment
  POM353446  Oxalis oregana Hutchinson 1927-5-27 s.n. Humboldt [No location data on label] Comment
  SEINET12183670  Oxalis oregana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -290 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC1103419  Oxalis oregana Joseph P. Tracy 1923-5-13 6199 Humboldt near Strong's Station (on Van Duzen River); Northern Coast Ranges 60 Comment
  UC56731  Oxalis oregana Harley P. Chandler May, 1901 1160 Humboldt North Coast Ranges 30 Comment
  HSC16712  Oxalis pes-caprae Richard Steele 1962-3-20 12 Humboldt Arcata, on HSU campus 15 Comment
  HSC89720  Oxalis pes-caprae Larry Levine, Manuel Pachero, , Robert Murphey 1989-2-24 3 Humboldt HSU campus, garden plot SE of Buck House 40 Comment
  SEINET3347162 Image available Oxalis trilliifolia A. A. Heller 13787 Humboldt Humbolt Camp, between Scotia and Pepperwood Comment
  CAS-BOT-BC318152  Packera bolanderi var. bolanderi E. Hawver 1915-6-1 s.n. Humboldt near Carlotta Comment
  CAS-BOT-BC253706  Panicum capillare Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC39757  Parapholis strigosa Peter Sorensen 1976-7-11 Humboldt Woodley Island. Comment
  JEPS4481  Parentucellia viscosa Joseph P. Tracy 1911-7-12 3530 Humboldt Blue Lake; Northern Coast Ranges 60 Comment
  HSC99423  Paxistima myrsinites K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-1 72 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
  HSC54218  Pellaea brachyptera Griswold, Butler 1979-7-12 7282 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC55332  Penstemon anguineus Terry Griswold, Marvin Butler 1979-7-12 7176 Humboldt Near Groves Prairie, close to the town of Willow Creek 1256 Comment
  RSA425608  Penstemon anguineus Francis W. Pennell, Joseph P. Tracy 1940-7-7 26092 Humboldt Grouse Mountain, w. of Salyer. 1372 Comment
  RSA63666  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt Near end of Forest Rd from Hoopa towards Trinity Summit. 1372 Comment
  JEPS28975  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1940-5-5 16543 Humboldt Garberville Garberville (on river bar) 152 Comment
  CDA41855  Penstemon laetus subsp. sagittatus Kaylea Eickhoff, Cara M. Witte 2005-6-15 14 Humboldt 14.1 miles south of Highway 299 on NF1, 0.25 mile northeast of Grouse Mountain. Comment
  JEPS11633  Penstemon laetus var. sagittatus Joseph P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC585632  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-24 15512 Humboldt 2 mi se Devil's Hole; Trinity Summit, se of Devil's Hole 1584 Comment
  HSC56115  Penstemon newberryi subsp. berryi Gilbert Muth 1979-8-1 11886 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC76259  Penstemon parvulus Denis Kearns 1981-6-24 31 Humboldt Near Cedar Camp 1219 Comment
  UC577408  Penstemon procerus var. brachyanthus Joseph P. Tracy 1932-7-12 10480 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  HSC55288  Penstemon purpusii Terry Griswold, Marvin Butler 1979-7-10 6231 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  HSC44827  Penstemon purpusii Thomas W. Nelson, Jane Nelson 1977-7-4 3600 Humboldt Along old trail above Alder Springs 1555 Comment
  JEPS6895  Penstemon rattanii var. rattanii Joseph P. Tracy 1906-6-10 2480 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC39178  Pentagramma triangularis D. E. Anderson, J. P. Smith 1971-6-28 - 1223 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  UCD137788  Pentagramma triangularis subsp. triangularis Linda M. Barker 1976-3-11 1329 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  UC1197128  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1937-8-22 15673 Humboldt foothills 3 mi s Fields Landing; Northern Coast Ranges, around Humboldt Bay 15 Comment
  UC205463  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1920-11-14 5411 Humboldt Dows Prairie Northern Coast Ranges ((same place as #5392)) 60 Comment
  HSC38073  Perideridia howellii Thomas W. Nelson, James Nelson 1976-5-30 2634 Humboldt McKeowan Ranch N of Dinsmore along road to Anderson's Ford 915 Comment
  UC1197117  Perideridia parishii subsp. latifolia Doris Kildale Aug. 1925 Humboldt Trinity Summit 1524 Comment
  RSA167253  Petasites palmatus Joseph P. Tracy 1947-2-23 17670 Humboldt Van Duzen River, near Grizzly Creek. 91 Comment
  RSA298347  Phacelia bolanderi J. P. Smith, Steve Selva 1970-6-14 3821 Humboldt Along California 96 at Whitmore Creek. 152 Comment
  UC198663  Phacelia bolanderi Joseph P. Tracy 1916-5-31 4704 Humboldt Stitz Creek Bluff Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  JEPS57406  Phacelia corymbosa L. R. Heckard 1968-7-5 1986 Humboldt Mail Ridge rd 4.3 mi n Harris road Comment
  UC562574  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1935-5-12 13794 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA167317  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1951-6-24 19539 Humboldt Rock exposure between serpentine rock pile and Ashfield Butte. Kneeland Prarie. 762 Comment
  HSC57408  Phacelia mutabilis G. L. Clifton, Griswold 1979-7-26 10163 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC57658  Phacelia mutabilis G. L. Clifton, Griswold 1979-7-25 10831 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1245402  Phacelia mutabilis Joseph T. Gregory 1935-7-30 862 Humboldt near summit; Salmon Summit 2103 Comment
  BLMAR532  Phacelia nemoralis subsp. nemoralis Jennifer Wheeler 2009-6-23 532 Humboldt King range, On Paradise Ridge road Comment
  RSA30622  Phacelia nemoralis subsp. oregonensis Lincoln Constance, R. C. Rollins 1942-5-11 2872 Humboldt Hoopa Valley 6 miles S of Hoopa. 122 Comment
  HSC102566  Phacelia procera M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1553 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  JEPS1090  Phacelia procera Joseph P. Tracy 1932-7-12 10431 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC258826  Phalaris angusta W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  UC1103764  Phalaris californica Joseph P. Tracy 1934-8-6 13562 Humboldt n side of Mad River near bridge on Trinity Highway 5 mi ne Arcata; North Coast Ranges, n side of Mad River 30 Comment
  UC1103768  Phalaris californica Joseph P. Tracy 1927-8-28 8359 Humboldt near Boynton Prairie; North Coast Ranges, near Boynton Prairie 609 Comment
  CAS-BOT-BC76557  Philadelphus lewisii Joseph P. Tracy 1938-6-9 15872 Humboldt Dobbyin Creek 152 Comment
  HSC98094  Philadelphus lewisii Cara Witte 2007-7-11 484 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1396 Comment
  LA97948  Philadelphus lewisii Jane Turner; Francis M. Ball 1962-7-10 SK&F- 1145 Humboldt East Fork Willow Creek Forest Camp, Six Rivers National Forest, highway 299 ca. 5 mi. W of Willow Creek 457 Comment
  UC154152  Philadelphus lewisii Mrs. M. H. Manning 1900-1 Humboldt Hupa Comment
  HSC20264  Philadelphus lewisii H. D. Sumner 1959-7-13 Humboldt Dirt road to Hoopa 305 Comment
  RSA0046936  Philadelphus lewisii Lyman Benson 1928-7-10 397 Humboldt Hills by Humboldt Bay, Fortuna. Mouth of Eel River. 30 Comment
  HSC74182  Phleum alpinum M. A. Baker 1980-7-22 3105 Humboldt Near Grogan Hole. 1676 Comment
  RSA10145  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek. 762 Comment
  UC34058  Phleum alpinum J. P. Tracy 1901-5-30 1106 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC250883  Phleum pratense Doris K. Kildale 1926-6-27 2202 Humboldt Laribee Valley 701 Comment
  HSC72818  Phlox diffusa M. A. Baker 1980-6-16 1943 Humboldt Near Onion Mtn. 1280 Comment
  HSC45583  Phlox diffusa Diane L. Reed 1978-5-27 123 Humboldt Horse Mtn., Titlow Hill Rd., 3.4 mi. from junction with S.R. 299 Comment
  UC1191120  Phlox douglasii subsp. rigida Joseph P. Tracy 1933-7-25 12828 Humboldt Horse Mountain 1432 Comment
  UC908476  Phlox gracilis Joseph P. Tracy 1930-5-4 8692 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  RSA683018  Phyllospadix scouleri R. Setzer 1972-7-29 7010 Humboldt Palmer Point; Patrick s Point State Park. Comment
  HSC31639  Physocarpus capitatus Glenn McGourty 1974-6-1 83 Humboldt Comment
  HSC45100  Physocarpus capitatus R. Sutherland 1978-5-12 9 .12578 Humboldt 282 Comment
  CAS-BOT-BC78199  Picea sitchensis L. R. Abrams 1922-6-25 8247 Humboldt near South Bay Comment
  CHSC81  Picea sitchensis M. Anthony 1960-5-14 Humboldt Near Arcata. Comment
  NY34417  Picea sitchensis A. Kellogg 1868-1 935 Humboldt Comment
  NY99565  Picea sitchensis C. B. Wolf 1930-10-28 Garden Field No. 1037 -(seed) Humboldt 5 miles south of Ferndale, on road to Petrolia 152.4 Comment
  RSA1960  Picea sitchensis C. B. Wolf 1930-10-28 1781 Humboldt 5 miles S Ferndale on road to Petrolia. 152 Comment
  UC615028  Picea sitchensis Beryl O. Schreiber 1934-6-5 1130 Humboldt 5 mi above Fortuna (along highway) Comment
  CAS-BOT-BC78375  Pinus contorta W. R. Dudley 1899-6-1 s.n. Humboldt between Humboldt and Ocean Comment
  CAS-BOT-BC73151  Pinus jeffreyi Joseph P. Tracy; H. E. Parks 1934-6-14 11030 Humboldt Horse Mountain 1432 Comment
  HSC37669  Pinus jeffreyi R. Sutherland 1967-8-27 27 .876 Humboldt Elk Ridge, Bulk Collection # 107 716 Comment
Read comments
Apr 30 2013
  OBI36538  Pinus jeffreyi David J. Keil 1983-7-2 17315 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  HSC1510  Pinus lambertiana Francis Winter 1960-5-7 Humboldt Sugar Pine Mtn. 6 mi. W of Hoopa Indian Reservation 1067 Comment
  CAS-BOT-BC78978  Pinus muricata William R. Dudley 1899-6-28 s.n. Humboldt the Humboldt Bay [peninsula] Peninsula opposite Eureka (near sea-level) Comment
  HSC31514  Pinus muricata Steve Selva, Roger Jensen 1974-8-21 32 Humboldt E bank of Hwy. 101 opposite rest stop, 2 mi. N of Trinidad Comment
  UC1600428  Pinus ponderosa Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa 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
  UC14939  Piperia elegans Harley P. Chandler Jun 1901 1385 b Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  UC1196431  Piperia elegans Joseph P. Tracy 1925-6-7 7072 Humboldt Willow Creek Canyon Northern Coast Ranges 304 Comment
  RSA273298  Piperia transversa J. D. Ackerman 1974-8-13 404 Humboldt Ca. 2 miles north of Manila, between sand dunes and Mad River Slough Comment
  HSC24556  Pityopus californicus Rudolf W. Becking 1972-6-30 720608 Humboldt Fish Lake area, Orleans 762 Comment
  HSC48718  Pityopus californicus M. A. Baker 1979-6-8 802 Humboldt 200 yds. towards ocean from George J. Yams memorial Grove on James Irvine Trail. Bulk Collection 165 Comment
  CAS-BOT-BC458134  Pityopus californicus Doris K. Kildale 1926-6-6 2110 Humboldt Trail to Gold Bluffs Comment
  UC1347181  Plagiobothrys bracteatus Alice Eastwood and John Thomas Howell 1937-6-23 4811 Humboldt Little Van Duzen River Comment
  SBBG28861  Plagiobothrys reticulatus H. E. Parks -Jul-1937 24042 Humboldt Spruce Cove, Trinidad 64 Comment
  UC1239571  Plagiobothrys reticulatus Joseph P. Tracy 1933-7-20 12812 1/2 Humboldt along Mad River (near Blue Lake); , Blue Lake 15 Comment
  UC526821  Plagiobothrys reticulatus Joseph P. Tracy 1932-5-10 9962 Humboldt Mattole Valley near Petrolia; Northern Coast Ranges, Mattole Valley 30 Comment
  POM126350  Plagiobothrys reticulatus Joseph P. Tracy 1911-6-30 3275 Humboldt Near Hydesville 61 Comment
  JEPS60974  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1918-7-5 5010 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC249519  Plagiobothrys tenellus Joseph P. Tracy 1922-4-30 5990 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1180486  Plagiobothrys tenellus Robert Ornduff 1960-6-1 6179 Humboldt meadow on high ridge about 3 mi e Garberville (on road to Alder Point) Comment
  HSC99993  Plantago coronopus J. P. Smith, & J. O. Sawyer 2009-10-4 12688 Humboldt Growing along rock pathway at Wedding Rock, Patrick's Point State Park 44 Comment
  UC1151994  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Bridge 609 Comment
  UC585985  Plantago erecta Joseph P. Tracy 1932-5-10 9945 Humboldt near Petrolia; Northern Coast Ranges, Mattole Valley 60 Comment
  UC1196136  Plantago erecta Joseph P. Tracy 1900-6-5 836 Humboldt Busksport Northern Coast Region, Humboldt Bay Region 0 Comment
  UC162584  Plantago erecta Joseph P. Tracy 1911-5-30 3197 Humboldt Bucksport North Coast Region, Humboldt Bay Region 0 Comment
  UC1125641  Plantago lanceolata H. L. Person 1932-7-16 Humboldt n of Trinidad (highway); Rock Point Quad. Comment
Read comments
Aug 3 2007
  HSC79455  Plantago lanceolata Kenneth Clark 1980-4-18 603 Humboldt Above Dead Man's Gulch near parking access 137 Comment
  HSC16852  Plantago major Paul Shields Jun 1955 Humboldt 1 mi. N of Weott Comment
  HSC90480  Plantago maritima Jean Hanson 1981-5-10 136 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  RSA68979  Plantago maritima F. W. Peirson 1923-7-11 3857 Humboldt Flats north of Eureka. Comment
  UC154021  Plantago subnuda J. P. Tracy 1906-6-17 2493 Humboldt immediate vicinity Eureka 0 Comment
  HSC55213  Platanthera dilatata var. leucostachys Walter Overton 1979-8-1 12369 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  HSC98895  Platanthera dilatata var. leucostachys Cara Witte 2007-7-20 559 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  UC666987  Platanthera sparsiflora Joseph P. Tracy 1932-7-17 10673 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  UC1196416  Platanthera sparsiflora Joseph P. Tracy 1926-6-27 7671 Humboldt House Mountain Northern Coast Ranges 1463 Comment
  CAS-BOT-BC91631  Platystemon californicus Alice Eastwood s.n. Humboldt Samoa. Comment
  HSC103985  Platystemon californicus E. R. Fyer 2015-3-19 15 Humboldt Samoa; along side of New Navy Base Rd 8 Comment
  UC146076  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach Ocean Beach (Humboldt Bay); Northern Coast Region, , Ocean Beach Comment
  HSC16794  Platystemon californicus C. A. Bontrager 1966-4-24 46 Humboldt 1834 Allard Ave., Eureka Comment
  HSC16801  Platystemon californicus Francis Winter 1960-4-19 Humboldt Samoa Peninsula, Fairhaven Airport entrance, 12 mi. W of Arcata Comment
  UC169077  Plectritis brachystemon Harley P. Chandler May, 1901 1149 B Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  UC602532  Plectritis brachystemon Joseph P. Tracy 1936-7-5 15037 Humboldt North Coast Range, Grouse Mountain Grouse Mountain; North Coast Range, Grouse Mountain 1524 Comment
  HSC59486  Plectritis congesta M. A. Ericksen 1979-4-29 239 Humboldt 0.4 mi. N of Coast Guard Station, Samoa Peninsula. Comment
  HSC92237  Plectritis congesta subsp. brachystemon John Cromwell, Julie Schneider, A. Thoele 1994-3-19 6 Humboldt Hell's Half Acre, trailhead located 12 mi. S on S Fork Rd. off Hwy. 299 457 Comment
  UC1462984  Pleuricospora fimbriolata Joseph P. Tracy 1916-6-25 4740 A Humboldt between Little River and Redwood CreekNorthern Coast Ranges Redwood Creek (Northern Coast Ranges); Northern Coast Ranges 304 Comment
  UC1152046  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  SEINET178314 Image available Poa compressa Joseph P. Tracy 1913-7-20 4378 Humboldt on Redwood Creek at the Berry crossing 300 Comment
  UC249669  Poa confinis Joseph P. Tracy 1922-5-28 6056 Humboldt Little River Beach North Coast Ranges. Little River Beach 6 Comment
  JEPS71272  Poa douglasii unknown 1925-8-2 119 Humboldt Samoa Comment
  UC589894  Poa douglasii H. S. Yates 1936-6-18 5725 Humboldt near mouth of Little River 4 Comment
  RSA10047  Poa howellii Joseph P. Tracy 1929-7-4 8619 Humboldt French Camp Ridge 1067 Comment
  UC34125  Poa howellii Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5516 Humboldt near Pepperwood Pepperwood Comment
  UC576260  Poa howellii H. S. Yates 1936-6-16 5683 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  HSC10722  Poa kelloggii E. W. Styskel 1963-4-20 17 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 305 Comment
  RSA152300  Poa macrantha Joseph P. Tracy 1917-5-30 4799 Humboldt Ocean Beach at mouth of Little River Comment
  RSA603828  Poa macrantha D. D. Keck, Jens Clausen 1935-6-16 3382 Humboldt Mouth of Little River. Comment
  HSC73058  Poa pratensis M. A. Baker 1980-7-22 3110 Humboldt Near Grogan Hole. 1676 Comment
  UC1103181  Poa pratensis subsp. pratensis Joseph P. Tracy 1913-6-19 4206 Humboldt opposite Buck Mt (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC1103169  Poa secunda subsp. secunda Joseph P. Tracy 1921-4-24 5465 Humboldt facing S Fork of Eel River Phillipsville; Northern Coast Ranges 121 Comment
  UC525665  Poa secunda subsp. secunda Joseph P. Tracy 1926-6-20 7613 Humboldt Horse Mt; Northern Coast Ranges 1524 Comment
  HSC10805  Poa trivialis William J. Ferlatte 1963-5-6 35 Humboldt Arcata, near 11th and B Sts. Comment
  UC180504  Poa trivialis Joseph P. Tracy 1914-7-4 4521 Humboldt near Korbel (on Bald Mt rd); Northern Coast Ranges 457 Comment
  CDA3404  Polycarpon tetraphyllum Gordon Leppig, Sylvia Leppig 2000-12-7 1524 Humboldt 10th and I Streets, Arcata. Comment
  HSC41294  Polygala cornuta Brad Klipfel 1974-7-27 494 Humboldt Horse Mtn. Comment
  HSC17469  Polygonum aviculare D. E. Anderson 1961-9-13 1822 Humboldt Comment
  UCSB30611  Polygonum aviculare Edwards, David 1974-7-30 Humboldt In NW corner of Uniontown Shopping Center at the corner of "F" St. and 7th St., Arcata 18 Comment
  JEPS50540  Polygonum davisiae W. L. Jepson 1902-7-16 2053 Humboldt Trinity Summit 2133 Comment
  CAS-BOT-BC414463  Polygonum douglasii Joseph P. Tracy 1940-8-25 16707 Humboldt Northern Coast Ranges. High Prairie, on Bald Mountain 1066 Comment
  HSC55083  Polygonum douglasii G. L. Clifton, Griswold 1979-7-31 11747 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC109177  Polygonum paronychia Doris K. Kildale 1927-5-15 3165 Humboldt Beach at Cape Mendocino. Comment
  CAS-BOT-BC109180  Polygonum paronychia Joseph P. Tracy 1911-5-30 3200 Humboldt Region about Humboldt Bay. At Bucksport. 152 Comment
  CAS-BOT-BC109186  Polygonum paronychia Ira L. Wiggins 1930-7-11 4685 Humboldt Near Samoa. Comment
  HSC37919  Polygonum paronychia Peter Sorensen 1976-6-14 Humboldt N Spit Comment
  RSA191950  Polygonum paronychia Robert F. Thorne 1957-9-3 19013 Humboldt Little River Beach, few miles S of Trinidad. Comment
  RSA89770  Polygonum paronychia P. A. Munz 1954-7-25 19872 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  SD39934  Polygonum paronychia Edith A. Purer 1932-7-27 4129 Humboldt Samoa, sand dunes Comment
  JEPS50637  Polygonum persicaria Lincoln Constance 1934-6-12 861 Humboldt Bull Cr. road and N. bank of river; South Fork Eel River, Bull Creek Region Comment
  UC175846  Polygonum punctatum Joseph P. Tracy 1912-10-20 3993 Humboldt Loleta Pond Northern Coast Ranges, Eel River Valley 15 Comment
  UC1052470  Polygonum sachalinense H. E. and S. T. Parks July 1952 24448 Humboldt Hwy 10 s Elk River Bridge Comment
  UC1225799  Polygonum sachalinense Joseph P. Tracy 1946-8-25 17634 Humboldt 1/2 mi s mouth of Elk River 6 Comment
  CHSC44  Polypodium californicum M. Anthony 1960-5-1 Humboldt Coastal. Comment
  HSC95652  Polypodium calirhiza Andrea Pickart 2002-4-5 39 Humboldt Lanphere Dunes 15 Comment
  CHSC68484  Polypodium glycyrrhiza Vernon H. Oswald 1997-4-10 8320 Humboldt Road paralleling Hwy. 101 between Clam Beach and Little River State Beach, north of Arcata. 30 Comment
  SEINET192538 Image available Polypodium glycyrrhiza George Neville Jones 1936-3-22 Humboldt along the south fork of the Eel R. near Garberville Comment
  CAS-BOT-BC76848  Polypodium glycyrrhiza Doris K. Kildale 1928-2-19 4262 Humboldt Big Rock between Little River and Moonstone Beach Comment
  SEINET10530419  Polypodium glycyrrhiza Mary Susan Taylor 1982-10-24 Taylor 5184 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  CHSC27876  Polypodium scouleri Sam M. Grossberg 1978-3-11 1 Humboldt Sequoia City Park, Eureka, ca. 100 yds s of U Street entrance. 22 Comment
  HSC77900  Polypodium scouleri L. P. Janeway, Paul Wilson 1984-5-7 763 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  SEINET6166118  Polypodium scouleri W. D. Billings 1940-6-22 1345 Humboldt 1/2 mile north of Trinidad Comment
  HSC79510  Polypogon interruptus Kenneth Clark 1980-6-14 694 Humboldt Shelter Cove, N Fork of Dead Man's Gulch. 122 Comment
  RSA10062  Polypogon interruptus Joseph P. Tracy 1930-6-29 8819 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  UC526768  Polypogon maritimus Joseph P. Tracy 1933-7-20 12811 Humboldt along Mad River near Blue Lake; along Mad River, near Blue Lake 15 Comment
  HSC10838  Polypogon monspeliensis David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  RSA129378  Polypogon monspeliensis H. S. Yates 1936-6-16 5679 Humboldt 1 mile NE of Samoa 3 Comment
  UC519315  Polystichum Joseph P. Tracy 1933-10-15 13101 Humboldt along S Fork Eel River Miranda; North Coast Ranges 91 Comment
  HSC41301  Polystichum munitum Brad Klipfel 1974-7-27 500 Humboldt Horse Mtn. Comment
  SBBG296  Polystichum munitum H. and M. Dearing 1939-5-27 3454 Humboldt Bishop Pine Lodge, Patricks Pt Comment
  HSC79150  Polystichum munitum C. J. Thomas 1984-9-25 118 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  HSC36314  Potamogeton natans L. Preston 1973-5-19 Humboldt 2 mi. W Arcata Comment
  SEINET3837233  Potamogeton natans Unknownnown 1949-8-9 1229 Humboldt Marshy Pond 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley Comment
  CDA837  Potamogeton nodosus E. C. Whitney 1963-9-2 s.n. Humboldt In lake of Benbow Lake State Park, south of Garberville. 0 Comment
  RSA246822  Potamogeton pusillus Robert F. Thorne 1965-9-19 35463 Humboldt Freshwater Lagoon S of Orick 3 Comment
  RSA244505  Potamogeton richardsonii Larry E. DeBuhr, Gary D. Wallace 1973-9-14 1215 Humboldt On east side of Highway 101. Comment
  BLMAR65  Potentilla anserina subsp. pacifica Jennifer Anthony-Wheeler 1994-5-18 65 Humboldt Samoa/manilla, growing on SW side of ' wetland area on samoa Rec area ' 6 Comment
  CAS-BOT-BC143080  Potentilla anserina subsp. pacifica Doris K. Kildale 1926-6-25 2178 Humboldt Big Lagoon Comment
  UC154225  Potentilla anserina subsp. pacifica Joseph P. Tracy 1907-7-20 2590 Humboldt near Samoa (region about Humboldt Bay); Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC637136  Potentilla anserina subsp. pacifica Annetta Carter 1934-8-17 719 Humboldt 35 mi n Eureka (e shore of Big Lagoon); e shore of Big Laoon, n of Eureka 3 Comment
  UCD113697  Potentilla anserina subsp. pacifica D. C. Sumner 1957-4-1 s.n. Humboldt Near Fortuna. Comment
  HSC102125  Potentilla drummondii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1029 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC98450  Potentilla gracilis John Rehling 1974-7-12 11 .5 Humboldt Near the Bald Hills Rd., 23.5 mi. from Hwy. 101 Comment
  HSC48754  Potentilla gracilis var. fastigiata Brad Klipfel 1973-6-10 55 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC48814  Potentilla gracilis var. fastigiata Brad Klipfel 1973-7-31 228 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC158492  Potentilla gracilis var. gracilis Doris K. Kildale 1927-7-10 3721 Humboldt Gans Prairie - on Bald Hills road 609 Comment
  CAS-BOT-BC517508  Prosartes smithii Ynez Whilton Winblad 1941-6-25 s.n. Humboldt Between Garberville and Pepperwood Comment
  UC1541658  Prunella vulgaris Harold E. Parks May 1933 4309 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  HSC27044  Prunella vulgaris subsp. lanceolata Brad Klipfel 1973-8-25 291 Humboldt Near Lazy L Ranch, Fickle Hill Rd. Comment
  JEPS62490  Prunella vulgaris var. lanceolata Joseph P. Tracy 1934-7-14 13403 Humboldt along Mad River near Blue Lake; along Mad River near Blue Lake 15 Comment
  UC205471  Prunus emarginata Joseph P. Tracy 1920-11-7 5410 Humboldt Mad River at Lindsey Creek Lindsey Creek; Northern Coast Region, Mad River, Lindsey Creek 30 Comment
  HSC90233  Pseudognaphalium ramosissimum Louise Watson, Jan Meninga Aug 1990 5 Humboldt Mad River Slough and Dunes. Co-operative management area Comment
  CAS-BOT-BC357603  Pseudognaphalium stramineum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  SD39794  Pseudognaphalium stramineum Edith A. Purer 1932-7-27 4128 Humboldt Samoa Comment
  CAS-BOT-BC80112  Pseudotsuga menziesii Doris K. Kildale 1928-10-7 6756 Humboldt Trinity River at mouth of Willow Creek Comment
  UCD135129  Pseudotsuga menziesii var. menziesii P. Zinke 1950-8-3 145 Humboldt California Forest and Range Experiment Station. 3 miles south of Harris. Comment
  UC165834  Psilocarphus tenellus J. P. Tracy 1909-5-23 2971 Humboldt immediate vicinity Eureka 0 Comment
  HSC55195  Pteridium aquilinum var. pubescens G. L. Clifton, Griswold 1979-8-2 12291 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC73078  Pteridium aquilinum var. pubescens M. A. Baker 1980-5-18 1347 Humboldt Near Black Mtn. 792 Comment
  HSC40122  Pterospora andromedea Thomas W. Nelson, James Nelson 1976-7-28 3071 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  UCD92898  Puccinellia nutkaensis Joseph P. Tracy 1950-6-17 18834 Humboldt at Eureka. 3 Comment
  RSA43879  Pycnanthemum californicum H. M. Pollard 1947-8-28 s.n. Humboldt Near old placer mine, north of Forest Service Station, Orleans. Comment
  CHSC104068  Pyracantha fortuneana Peter F. Zika 2009-6-16 24504 Humboldt Klamath Ranges. On ledges above W side of Route 96, near Klamath River. 180 Comment
  HSC17978  Pyrola aphylla Chestnut, Drew 1888-7-12 Humboldt Campbell's Comment
  CAS-BOT-BC462867  Pyrola asarifolia Doris K. Kildale 1925-6-28 797 Humboldt Kneeland Prairie 609 Comment
  HSC63482  Pyrola asarifolia subsp. asarifolia M. A. Baker 1979-6-6 362 Humboldt 1.5 km N of Post Office on Patrick's Point Drive, Trinidad Comment
  HSC41317  Pyrola picta Brad Klipfel 1974-9-2 535 Humboldt Horse Mtn. Comment
  UC1197578  Pyrola picta Joseph P. Tracy 1932-7-14 10569 Humboldt Trinity Summit near Corral Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC466038  Pyrola picta L. B. Kildale 1930-8-3 10364 Humboldt Chaparral Mt. near Bug Creek 914 Comment
  CAS-BOT-BC62628  Quercus chrysolepis Doris K. Kildale 1926-12-26 2880 Humboldt Kneeland Prairie 853 Comment
  CAS-BOT-BC62673  Quercus chrysolepis Doris K. Kildale 1926-3-21 1689 Humboldt McDowell Butte, Kneeland Prairie 914 Comment
  HSC37825  Quercus chrysolepis Thomas W. Nelson, Jane P. Nelson 1976-2-21 2251 Humboldt Tish-Tang campground Comment
  HSC97282  Quercus garryana M. Mesler 2007-6-25 766 Humboldt Trail to Mill Creek Lakes 1585 Comment
  UCSB1171  Quercus garryana C. Muller 1954-6-21 9641 Humboldt 2 MI ESE OF MAD RIVER ON RD TO FOREST GLEN OLSEN CREEK Comment
  HSC99122  Quercus garryana var. garryana Cara Witte 2008-9-13 1041 Humboldt Forest Service Road 4N38. 1/2 mile south of intersection to Tri Board Camp. 1506 Comment
  RSA134145  Quercus garryana var. garryana Percy C. Everett 1959-10-24 23955 Humboldt 4.7 mi. s. from Bluff Creek, Hwy. 96 from Orleans to Weitchpec. 122 Comment
  UC1225942  Quercus sadleriana Joseph P. Tracy 1947-8-24 17909 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UCD47234  Quercus sadleriana Joseph P. Tracy 1947-8-24 17909 Humboldt Trinity Summit near Box Camp. 1524 Comment
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Aug 6 2009
  HSC74169  Quercus vacciniifolia M. A. Baker 1980-7-23 3187 Humboldt Near Orleans Mtn. 1859 Comment
  HSC98847  Quercus vacciniifolia Cara Witte 2008-7-11 867 Humboldt Horse Mountain Botanical Area. National Forest 1. 1/2 mile west of intersection with Forest Service Roads 6N38 and 6N36. 1426 Comment
  SBBG11822  Quercus vacciniifolia D. E. Breedlove 1961-7-4 647 Humboldt 7 mi W of Willow Crk on US Hwy 299 521 Comment
  CAS-BOT-BC539322  Quercus wislizeni Lois Weeth; Kerry Heise; John M. Tucker 2003-10-21 s.n. Humboldt 22 mi from Garberville along Alderpoint Rd; stop #2 116 Comment
  RSA178538  Quercus wislizeni Joseph P. Tracy 1950-6-15 18796 Humboldt Mail Ridge, north of Harris 7 miles Comment
  CAS-BOT-BC379200  Ranunculus aquatilis var. aquatilis Volney Rattan 1879-1-1 s.n. Humboldt Ferndale Comment
  POM269619  Ranunculus flammula var. ovalis Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka. 46 Comment
  HSC18154  Ranunculus muricatus J. L. Baker 1965-4-10 35 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  HSC71056  Ranunculus occidentalis Thomas W. Nelson, Jane P. Nelson 1977-5-30 3390 Humboldt McKeown Ranch. Along road to Anderson's Ford. 854 Comment
  UC1196219  Ranunculus occidentalis J. P. Tracy 1901-6-23 1182 Humboldt Immediate vicinity of Eureka 0 Comment
  BLMAR116  Ranunculus occidentalis Jennifer Anthony-Wheeler 1995-3-15 116 Humboldt King range, growing throughout riverside at honeydew campground 121 Comment
  JEPS55183  Ranunculus occidentalis W. L. Jepson 1902-6-20 1895 Humboldt Fort Seward Ranch Ridge Comment
  UC1537332  Ranunculus occidentalis Gordon H. True Jr. 1936-5-11 466 Humboldt 12 mi w Miranda (e slope of ridge); Elk Ridge 457 Comment
  HSC76583  Ranunculus occidentalis var. occidentalis Denis Kearns 1981-7-23 408 Humboldt Near Whiteys Peak. 1524 Comment
  HSC26783  Ranunculus occidentalis var. occidentalis Thomas W. Nelson 1971-5-31 451 Humboldt 915 Comment
  HSC30324  Ranunculus occidentalis var. occidentalis Dale R. Gradek 1974-4-16 11 Humboldt 7 mi. E of Blue Lake on rd. adjacent to Hwy. 299 305 Comment
  UC162869  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1907-6-25 2574 Humboldt Elk River Valley Northern Coast Region, region about Humboldt Bay (along ditch) 0 Comment
  UC1196263  Ranunculus parviflorus Joseph P. Tracy 1942-6-2 17110 Humboldt roadside 2 mi n Bridgeville 457 Comment
  UC1542885  Ranunculus parviflorus Harold E. Parks 1930-5-25 874 Humboldt Laribee Valley 762 Comment
  HSC18174  Ranunculus pusillus J. P. Tracy 1903-5-24 1912 Humboldt Alder Point on Eel River 152 Comment
  UC1713273  Ranunculus pusillus Joseph P. Tracy 1919-5-31 5177 Humboldt opposite Willow Creek (shores of pond); Northern Coast Regions, Trinity River, Lack Pond 152 Comment
  HSC90641  Ranunculus repens Gail Newton 1982-6-10 3613 Humboldt Elk River Wildlife Area, Eureka Comment
  SDSU10122  Ranunculus repens D. F. Howe 1962-5-22 3306 Humboldt Orick. 30 Comment
  UC535740  Ranunculus repens Eleanor Armstrong 1170 Humboldt Richardson Grove Comment
  HSC18109  Ranunculus repens var. repens S. R. Johnson 1965-3-28 33 Humboldt 1.0 mi. N of Luffenholtz Beach Comment
  HSC18183  Ranunculus repens var. repens F. B. Plett 1963-5-15 48 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC18186  Ranunculus repens var. repens R. D. Modafferi 1965-5-9 55 Humboldt 2.2 mi. N of Trinidad on Trinity St. 305 Comment
  HSC36226  Ranunculus repens var. repens John Rehling 1975-4-21 51 Humboldt Along Jolly Giant Creek E of HSU campus Comment
  CAS-BOT-BC55834  Rhamnus C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of the Van Duzen River Comment
  UC1197997  Rhamnus californica Joseph P. Tracy 1934-8-4 13555 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC592714  Rhamnus californica subsp. californica Carl B. Wolf 1934-6-30 Humboldt back of Shelter Cove 60 Comment
  SEINET7716093  Rhododendron californicum Unknown Humboldt Humboldt Bay Comment
  CAS-BOT-BC58192  Rhododendron columbianum Doris K. Kildale 1927-6-26 3593 Humboldt Patick's Point. Comment
  CAS-BOT-BC56613  Rhododendron macrophyllum Mrs. Rachel Ellery 1916-4-1 s.n. Humboldt Beatrice Comment
  UC32620  Rhododendron macrophyllum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  UCD20673  Rhododendron macrophyllum A. T. Leiser 1980-7-9 s.n. Humboldt Humboldt County, North of Orick, Hwy 101 reroute, May Creek Watershed +- 1000'. Comment
  SEINET11996978  Rhododendron macrophyllum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -297 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC97939  Rhododendron occidentale Cara Witte 2007-6-19 290 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1289 Comment
  UC1173683  Rhododendron occidentale Joseph P. Tracy 1939-7-9 16319 Humboldt Bald Mountain, at Lake Prairie Lake Prairie; Bald Mountain, Lake Prairie 1066 Comment
  UC162760  Rhododendron occidentale Joseph P. Tracy 1911-7-6 3340 Humboldt between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  CAS-BOT-BC433135  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9558 Humboldt McClellan Hill near Bridgeville 609 Comment
  HSC40828  Ribes binominatum Thomas W. Nelson, Jane P. Nelson 1976-7-26 3040 Humboldt Along ridge NW of Lassic Peak. 1707 Comment
  UC303170  Ribes bracteosum Joseph P. Tracy 1923-8-19 6535 Humboldt at crossing Kneeland Road (Lawrence Creek); Northern Coast Ranges 609 Comment
  UC902080  Ribes bracteosum Joseph P. Tracy 1948-9-5 18165 Humboldt ne Hawkin's Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC56148  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11990 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC13253  Ribes laxiflorum D. E. Anderson 1962-4-1 1969 Humboldt Intersection of Clam Beach Rd. and Dows Prairie Rd. Comment
  UC1198907  Ribes laxiflorum J. P. Tracy 1901-6-10 1122 Humboldt immediate vicinity Eureka 0 Comment
  HSC19378  Ribes lobbii J. O. Sawyer 1968-9-27 728 Humboldt Near Waterdog Lakes and N Trinity Mtn. 1768 Comment
  HSC38950  Ribes lobbii J. P. Smith, J. O. Sawyer 1975-6-22 8207 Humboldt Six Rivers National Forest, W of Goat Hill Comment
  HSC69887  Ribes lobbii Thomas W. Nelson, Jane P. Nelson 1977-7-30 3665 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  HSC103132  Ribes lobbii M. Mesler 2009-9-7 816 Humboldt Trail to Mill Creek Lakes, above Hoopa 1646 Comment
  CAS-BOT-BC212477  Ribes marshallii Joseph P. Tracy 1932-7-15 10592 Humboldt Ridges east of Corral Prairie, Trinity Summit, Klamath Mountains 1828 Comment
  HSC103200  Ribes marshallii Jade Paget-Seekins 2010-7-5 34 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  HSC102620  Ribes nevadense M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1607 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC53912  Ribes nevadense Griswold, Butler 1979-7-11 6922 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  JEPS49186  Ribes roezlii W. L. Jepson 1902-6-19 1889 Humboldt near Garberville; Ft. Seward Ranch Ridge (= Mail Ridge) 1066 Comment
  UC1198949  Ribes roezlii var. amictum Joseph P. Tracy 1922-4-2 5985 Humboldt near Carlotta; Northern Coast Ranges, Van Duzen River 60 Comment
  UCR10838  Ribes roezlii var. cruentum Sue De Groot 1962-6-14 113 Humboldt North Coast Range, hillside west of Richardson Grove, Eel River drainage to Pacific 122 Comment
  RSA0024584  Ribes roezlii var. cruentum H. M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans. Comment
  CAS-BOT-BC212519  Ribes sanguineum Alice Eastwood 1907-4-21 14 Humboldt Trinidad Comment
  HSC31648  Ribes sanguineum Timothy B. Devine 1974-5-4 313 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC39630  Ribes sanguineum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2736 Humboldt Just W of Goat Hill along road off FS 2S08 1463 Comment
  UC492209 Image available Ribes sanguineum Joseph P. Tracy 1927-6-12 8155 Humboldt lower slopes Horse Mountain; Northern Coast Ranges 1219 Comment
  CAS-BOT-BC144682  Ribes sanguineum var. glutinosum Ira L. Wiggins 1930-7-22 4693 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC20344  Ribes sanguineum var. glutinosum Francis Winter 1960-2-28 Humboldt Samoa Peninsula 6 mi. W of Arcata, Ca Comment
  HSC103233  Ribes sanguineum var. sanguineum Jade Paget-Seekins 2010-6-14 21 Humboldt Groves Prairie. Near a bridge just upstream from the campsite near the prairie. 1261 Comment
  HSC65697  Ribes sanguineum var. sanguineum J. P. Smith, J. O. Sawyer 1974-6-2 7653 Humboldt 1372 Comment
  HSC100719  Ribes viscosissimum Carl C. Marshall Jun 1886 325 Humboldt Trinity Summit. Comment
  HSC99134  Rigiopappus leptocladus Cara Witte 2008-7-2 794 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  HSC26800  Romanzoffia californica Thomas W. Nelson 1971-4-24 404 Humboldt Willow Creek Comment
  UC552251  Romanzoffia californica Joseph P. Tracy 1925-4-5 6954 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  CAS-BOT-BC74370  Rorippa columbiae Henry M. Pollard 1956-10-9 s.n. Humboldt Near Fig Tree Riffle at Woodson Mine, Klamath River, Orleans. Comment
  CAS-BOT-BC74506  Rorippa curvisiliqua Doris K. Kildale 1926-7-18 2391 Humboldt Orick. Comment
  UC198651  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, along Eel River 60 Comment
  POM161058  Rosa californica Joseph P. Tracy 1923-9-16 6550 Humboldt Trinity River Valley, Near the south fork Comment
  HSC63029  Rosa canina J. P. Smith, J. O. Sawyer 1973-5-12 6709 Humboldt Jct. of Big Hill Rd. and SR 96 at Hoopa Comment
  UC180209  Rosa eglanteria Joseph P. Tracy 1914-6-14 4508 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC183752  Rosa eglanteria Joseph P. Tracy 1912-8-4 3981 Humboldt near Hydesville; Northern Coast Region 60 Comment
  JEPS48709  Rosa gymnocarpa Hilda W. Grinnell 1932-7-9 1 Humboldt McKay Camp So. Fork Mt. 1676 Comment
  POM275419  Rosa gymnocarpa Lyman D. Benson 1928-7-12 489 Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA254749  Rosa gymnocarpa Thomas W. Nelson, J. Nelson 1973-5-28 957 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC98692  Rosa gymnocarpa var. serpentina Cara Witte 2008-6-15 751 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  CAS-BOT-BC146845  Rosa nutkana Doris Kildale Gillespie 1931-6-7 10644 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  POM247131  Rosa nutkana H. E. Parks, Susan T. Parks 1937-05 5816 Humboldt Spruce Cove. Trinidad. 61 Comment
  SEINET11910997  Rosa nutkana F. H. Utech 1986-1 86 -392 Humboldt ca 5 mi N on Kings Peak Road, from junction with Shelter Cove Road, near Tolkan Recreation Area 480 Comment
  UC1174842  Rosa nutkana var. nutkana P. C. Everett and E. K. Balls 1959-10-25 23973 Humboldt 11.6 mi sw from Ferndale (on Old Coast Rd to Capetown) 243 Comment
  UC1199022  Rosa nutkana var. nutkana J. P. Tracy 1901-6-23 1163 Humboldt immediate vicinity of Eureka 0 Comment
  UC1199026  Rosa nutkana var. nutkana Joseph P. Tracy 1927-7-4 8230 Humboldt Sibley Ranch Iaqua 609 Comment
  UC588191  Rosa nutkana var. nutkana H. E. and S. T. Parks June, 1937 24021 Humboldt Spruce Cove Trinidad Comment
  HSC60108  Rosa pisocarpa M. A. Baker 1978-5-2 451 Humboldt Elk Head Comment
  UC902158  Rosa pisocarpa Joseph P. Tracy 1947-7-4 17813 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC148222  Rosa spithamea Volney Rattan 1883-6-1 s.n. Humboldt Trinity River, Coast Mts. North of San Francisco Bay Comment
  UCD113775  Rubus armeniacus K. Twitchell 1996-5-11 27 Humboldt Crannell, along old Highway 101 at Moonstone Beach access. 36 Comment
  HSC19660  Rubus parviflorus D. B. Bader 1963-2-17 11 Humboldt Second of the Clam Beach Lagoons W. of Hwy.101 Comment
  HSC55617  Rubus parviflorus Overton, Butler 1979-7-23 9514 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  SEINET10542893  Rubus procerus Charlene A. Bennett 1976-8-6 Bennett 485 Humboldt By hwy 101, n side of orick. Rocky area, densely forested by river. Flowers Pink 30 Comment
  HSC95739  Rubus spectabilis Kevin Thomas 2004-3-18 3 Humboldt Near Clam Beach exit of Hwy. 101 N, along old Hwy. 101, at end of Little River Rd. Comment
  UC203878  Rubus spectabilis Joseph P. Tracy 1918-5-12 4932 Humboldt at Eureka; Northern Coast Ranges, at Eureka 0 Comment
  SEINET11908695  Rubus spectabilis Unknown 1977-1 7 Humboldt S end of Patricks Point State Park, ca 0.2 mi W of Hwy 101 & 5 mi N of Trinidad 61 Comment
  HSC8607  Rubus ursinus R. E. Hafenfeld 1965-5-9 5 Humboldt Near jct. of Gold Bluff Beach Rd.and Squashan Cr. Comment
  JEPS47708  Rubus ursinus Lincoln Constance 1934-5-29 727 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UCD17612  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 053 Humboldt California. Humboldt County: 6 miles from Dyerville junction of U.S. 101, on road to Weitchpec. Comment
  UCD17839  Rubus ursinus H. Olmo 8-10 May 1962 62- 37 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  UCD17848  Rubus ursinus H. Olmo 8-10 May 1962 62 36 Humboldt California. Humboldt County: along Route 36 between Grizzly Creek Redwoods State Park and Dinsmore. Comment
  UCD89723  Rubus ursinus Lindsay Clark 2008-6-23 KRC 2 Humboldt Nadelos Campground in King Range Conservation Area, 3.8 miles SE of Shelter Cove. 551 Comment
  SEINET5710896  Rudbeckia occidentalis Lowell E. Urbatsch 1990-1 6799 Humboldt From Calif. 99 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork; take the left fork (not leading to Denny but to Waterman Ridge and Zeigler Point) and travel 6.7 miles down this road to another fork. Take the rt. fork (away from the rd. leading to Waterman Ridge and Willow Creek). On this rd. (FD 7 NO4) travel 1.5 miles to another fork; continue on 7No4N (the left fork) for 7.4 miles. At this point, take 7NO4N, the rd to Groves Prairie. The collection site is about 50m to the right near the Groves Prairie Creek sign. The site is 17.9 miles from Hawkins Bar just beyond mile marker 9.; Groves Prairie Comment
  HSC55097  Rumex acetosella G. L. Clifton 1979-7-31 11801 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC17565  Rumex acetosella J. W. Johnson 1962-4-8 1223 Humboldt Arcata, Mad River Co. Park Comment
  HSC17578  Rumex acetosella Allan R. Marshall 1962-5-22 30 Humboldt Back of Wildlife Building, HSU campus 30 Comment
  HSC45630  Rumex acetosella Diane L. Reed 1978-5-27 138 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  SEINET6933889  Rupertia physodes Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Dald Hills, southeast of Orick. Comment
  UC169305  Rupertia physodes Joseph P. Tracy 1912-7-31 3949 Humboldt open woods near summit of Buck Mountain; Northern Coast Ranges Comment
  CAS-BOT-BC454158  Ruppia maritima Joseph P. Tracy 1938-7-15 16079 Humboldt Mouth of Eel River 3 Comment
  UC275565  Ruppia maritima Joseph P. Tracy 1923-5-30 6248 Humboldt mouth of Little River; Northern Coast Ranges 1 Comment
  UCD98453  Sagina maxima subsp. crassicaulis Joseph P. Tracy 1947-9-1 17927 Humboldt Big Lagoon. 6 Comment
  HSC93476  Salicornia depressa Gordon Leppig 1998-8-6 995 Humboldt Arcata Marsh and Wildlife Sanctuary; Humboldt Bay side of Klopp Lake dike 2 Comment
  CAS-BOT-BC129898  Salix bonplandiana Joseph P. Tracy 1933-6-9 12529 Humboldt Shively - Northern Coast Ranges 30 Comment
  CAS-BOT-BC103808  Salix exigua W. R. Dudley 1899-6-21 s.n. Humboldt Near forks of Eel River by Dyerville Comment
  SBBG58915  Salix exigua var. hindsiana H. E. Parks 1931-5-14 958 Humboldt Fernbridge, Eel River 10 Comment
  UC481312  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 975 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  UC512026  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1332 Humboldt near bridge on Trinity Hwy. (in ... channel of Trinity R.) 152 Comment
  UC519381  Salix exigua var. hindsiana Joseph P. Tracy 1933-5-19 12203 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC104113  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01335 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107731  Salix hookeriana Harold E. Parks 1931-3-26 904 Humboldt Alton, on Van Duzen River 15 Comment
  CAS-BOT-BC107766  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1210 b Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad Comment
  HSC90185  Salix hookeriana Jean Hanson 1980-3-8 2 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC96609  Salix hookeriana Gordon Leppig 2005-4-8 2211 Humboldt W end of W Hawthorne St., Eureka 3 Comment
  JEPS12958  Salix hookeriana Joseph P. Tracy 1931-8-9 9609 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  LA208757  Salix hookeriana Harold E. Parks; 1931-5-28 999 Humboldt Little River Lagoon, Trinidad; at sea level Comment
  POM219537  Salix hookeriana H. E. Parks 1931-08 1057 Humboldt Bishop Pine Lodge. Trinidad. 150 Comment
  UC1173589  Salix hookeriana Joseph P. Tracy 1938-6-16 15941 Humboldt Trinidad; streambank facing ocean 3 Comment
  UC1196543  Salix hookeriana Joseph P. Tracy 1948-4-11 17971 Humboldt Eel R. at Camp Grant; Eel R. 48 Comment
  UC469114  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC470405  Salix hookeriana Joseph P. Tracy 1931-8-9 9609 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC490459  Salix hookeriana Joseph P. Tracy 1932-5-10 9950 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC512083  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1223 Humboldt 1 mi n Samoa (pine barrens near the coast) Comment
  UC512086  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC512097  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1212 Humboldt 1 mi n Samoa (pine barrens near coast) Comment
  UCD111036  Salix hookeriana Linda M. Barker 1976-4-13 1382 Humboldt 3 miles west of Arcata. Comment
  UCSB10870  Salix lasiandra Parks, Harold; Parks, Susan 1931-8-15 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC125227  Salix lasiandra var. lasiandra Harold E. Parks 1931-3-24 0911 Humboldt Fortuna, on banks of Eel River 10 Comment
  SJSU164  Salix lasiandra var. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  CAS-BOT-BC107104  Salix lasiolepis Joseph P. Tracy 1931-3-31 9695 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107578  Salix lasiolepis Joseph P. Tracy 1934-3-25 13166 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107589  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1318 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107600  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107604  Salix lasiolepis Joseph P. Tracy; Harold E. Parks; Carleton R. Ball 1932-5-12 1236 Humboldt Gravelly floodplain of the Van Duzen River at Blue Slide 91 Comment
  CAS-BOT-BC107646  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CHSC9560  Salix lasiolepis E. L. Smith 1971-4-7 930 Humboldt Clam Beach County Park ca. 6 mi s of Trinidad. Comment
  CHSC96719  Salix lasiolepis Gordon Leppig 1999-4-15 1117 Humboldt Big Lagoon County Park, Big Lagoon Bog. On western edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  JEPS13081  Salix lasiolepis Joseph P. Tracy 1939-8-5 16392 Humboldt Van Duzen River at Dinsmore's 737 Comment
  JEPS14774  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt along Van Duzen River Bridgeville; Northern Coast Ranges 228 Comment
  JEPS14780  Salix lasiolepis Joseph P. Tracy 1933-4-9 10964 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  UC469427  Salix lasiolepis Joseph P. Tracy 1931-9-7 9628 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469438  Salix lasiolepis Joseph P. Tracy 1931-11-8 9747 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490544  Salix lasiolepis Joseph P. Tracy 1932-5-10 9958 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  CAS-BOT-BC107416  Salix lasiolepis var. lasiolepis Doris K. Kildale 1926-9-17 2802 Humboldt [Dobbyns] Dobbyn Creek Comment
  POM184868  Salix lucida subsp. lasiandra H. E. Parks, Susan T. Parks 1932-5-12 1150 Humboldt Near bridge at mouth of Maple Creek. Big Lagoon. Comment
  CAS-BOT-BC125629  Salix melanopsis Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 01252 Humboldt On floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC125630  Salix melanopsis Harold E. Parks 1931-5-14 0965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  CAS-BOT-BC125634  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 283 Humboldt East of Redwood Highway, 6 km. south of Alton 20 Comment
  CAS-BOT-BC125636  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0973 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  SBBG57930  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 972 Humboldt mouth of Willow Crk at Trinity River 150 Comment
  SD975  Salix melanopsis Harold E. Parks, Joseph P. Tracy 1931-5-17 967 Humboldt Mouth of Willow Creek at Trinity River, sandbars 149 Comment
  UC469449  Salix melanopsis Joseph P. Tracy 1931-5-3 9348 Humboldt Mad R. near Blue Lake; Northern Coast Region, Mad R. 15 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
  UC481357  Salix melanopsis Harold E. Parks 1931-5-14 956 a Humboldt Van Duzen R. above Bridgeville; Van Duzen R. 300 Comment
  UC490555  Salix melanopsis C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 10073 Humboldt Redwood Creek at Berrys; North Coast Ranges, Redwood Creek 274 Comment
  UC490568  Salix melanopsis Joseph P. Tracy 1932-7-31 10291 Humboldt Eel R. at mouth of Larrabee Creek; Northern Coast Ranges, Eel R. 60 Comment
  UC512009  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1234 Humboldt 1 1/2 mi. e. Alton (floodplain of Van Duzen R.); Van Duzen R. 30 Comment
  UC519364  Salix melanopsis Joseph P. Tracy 1933-6-9 12533 Humboldt along Eel R. Shively; Northern Coast Ranges, Eel R. 30 Comment
  RSA0005850  Salix parksiana H. E. Parks 1931-5-14 962 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC129139  Salix scouleriana Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC129153  Salix scouleriana Doris K. Kildale 1925-12-22 1438 Humboldt Eureka, vacant lot Comment
  HSC98806  Salix scouleriana Cara Witte 2007-7-12 527 Humboldt Ammon Ridge Road. Approximately 2 miles southeast of intersection with 5N10. 1353 Comment
  JEPS89298  Salix scouleriana Joseph P. Tracy 1937-3-21 15236 Humboldt Van Duzen R. near Grizzly Creek; Van Duzen R. 91 Comment
  LA208918  Salix scouleriana Harold E. Parks; 1931-5-12 955 a Humboldt Samoa; Humboldt Bay 0 Comment
  SBBG28831  Salix scouleriana H. E. Parks 1931-5-12 951 Humboldt Bishop Pine Lodge, Trinidad 150 Comment
  UC275514  Salix scouleriana Joseph P. Tracy 1924-2-10 6600 Humboldt at Hungry Hollow Bald Mt.; Northern Coast Ranges, Bald Mt. 762 Comment
  UC490530  Salix scouleriana Joseph P. Tracy 1932-7-13 10507 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  CAS-BOT-BC128997  Salix sitchensis Harold E. Parks 1931-3-25 903 a Humboldt Orick, Van Duzen River 6 Comment
  HSC37885  Salix sitchensis Thomas W. Nelson 1976-4-3 2287 Humboldt Van Duzen River at Grizzley Creek Comment
  HSC43419  Salix sitchensis R. Sutherland 1978-2-18 6 .18278 Humboldt S side Mattole River 8 Comment
  HSC90420  Salix sitchensis Jean Hanson 1980-3-8 25 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  UC481394  Salix sitchensis Harold E. Parks 1931-3-24 913 Humboldt Eel R. Fortuna; Eel R. 10 Comment
  UC481217  Salix tracyi Harold E. Parks 1931-5-20 997 Humboldt Blue Lake Mad R., Blue Lake 15 Comment
  UC504019  Salix tracyi C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1244 Humboldt Van Duzen River at Blue Slide 91 Comment
  UC168949  Sambucus mexicana Joseph P. Tracy 1911-7-9 3465 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UCR3517  Sambucus racemosa David Whistler, H. M. Whistler 1964-7-31 640801- 01 Humboldt North Coast, 0.2 mi. south of Prairie Creek Redwoods State Park, along US Hwy 101, and Prairie Creek [Camp Rd.?] 10 Comment
  UC602561  Sambucus racemosa var. racemosa Joseph P. Tracy 1932-7-14 10570 Humboldt ridges e Corral Prairie; Trinity Summit 1676 Comment
  UCSB15630  Sambucus racemosa var. racemosa 1962-6-8 Humboldt Along U.S. Highway 101, 5 miles south of Orick 30 Comment
  UC205466  Sanicula arctopoides Joseph P. Tracy 1919-4-27 5136 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  JEPS224  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  HSC68612  Sanicula crassicaulis Jacqueline Greenleaf 1980-7-16 245 Humboldt Near Buck Mountain. 1250 Comment
  HSC81674  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1980-7-13 6065 Humboldt Along the road from Dinsmore to Anderson Ford-McKeown Ranch Rd. 762 Comment
  JEPS272  Sanicula crassicaulis W. L. Jepson 1932-7-30 16457 Humboldt Bull Creek 91 Comment
  BLMAR128  Sanicula crassicaulis Jennifer Anthony-Wheeler 1996-4-3 128 Humboldt Richardson ' s grv., growing along rdside in doug-fir forest 518 Comment
  HSC21637  Sanicula crassicaulis B. R. Templeton 1962-4-16 Humboldt 3 mi. W of Orleans on Hwy. 35 Comment
  UC1022532  Sanicula crassicaulis C. Ritchie Bell 1952-5-3 3 X452 Humboldt 4.4 mi e of Bridgeville (below road) Comment
  JEPS1002  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC1197086  Sanicula laciniata Joseph P. Tracy 1921-4-24 5454 Humboldt facing South Fork Eel River (Northern Coast Ranges, Phillipsville); Northern Coast Ranges, Phillipsville 121 Comment
  HSC99063  Sanicula tuberosa C. Witte 2007-5-8 2 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  HSC99066  Sanicula tuberosa C. Witte 2007-5-18 40 Humboldt Grouse Mountain Lookout. 1644 Comment
  UC1197077  Sanicula tuberosa Joseph P. Tracy 1913-5-4 4064 Humboldt Northern Coast Ranges, Kneeland Prairie Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC412776  Sarcodes sanguinea P. E. Goddard 1906-6 681 Humboldt ridge near <Lassick> Peak Comment
  HSC100652  Saxifraga mertensiana Carl C. Marshall May 1886 189 Humboldt Damp rocks. Comment
  UC492226  Saxifraga oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Trinity Summit, at Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  UC668011  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  HSC36890  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2058 Humboldt Beside Rd. 2S08 to Pine Mtn. Comment
  UC668007  Scirpus microcarpus Joseph P. Tracy 1934-6-21 13242 Humboldt near Fields Landing; near Fields Landing 6 Comment
  UCSC000121  Scirpus paludosus H. L. Person 1932-5-11 s.n. Humboldt near Arcata - Eureka Comment
  HSC23036  Scleranthus annuus D. E. Anderson 1964-1 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  CHSC114022  Scoliopus bigelovii Richard R. Halse 2013-3-28 8766 Humboldt Along U.S. Hwy. 101 ca. 2.2 miles south of Exit 671 to Pepperwood. 76 Comment
  HSC21125  Scrophularia californica D. A. Shally 1965-5-15 43 Humboldt Arcata, 1/4 mi. NE of HSC campus on Jolly Giant Creek Comment
  HSC56459  Scutellaria antirrhinoides Griswold, Butler 1979-7-12 7236 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  JEPS62921  Scutellaria antirrhinoides Joseph P. Tracy 1930-6-15 8763 Humboldt Dobbyn Creek 152 Comment
  HSC76350  Sedum laxum subsp. heckneri Denis Kearns 1981-7-21 299 Humboldt Near Whiteys Peak 1585 Comment
  UC667085  Sedum laxum subsp. heckneri Joseph P. Tracy 1933-7-25 12899 Humboldt Grouse Mountain 1524 Comment
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Aug 17 2011
  JEPS48016  Sedum obtusatum Joseph P. Tracy 1926-6-20 7647 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
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Aug 17 2011
  HSC58130  Sedum obtusatum subsp. retusum Gilbert Muth 1979-8-1 12129 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC1198830  Sedum spathulifolium Joseph P. Tracy 1926-7-25 7747 Humboldt on rocks at point called Devil's Canyon Northern Coast Region, , Devil's Canyon (Big Lagoon) 152 Comment
  JEPS19067  Selaginella oregana Joseph P. Tracy 1933-11-26 13124 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC1713630  Selaginella oregana Don Branscomb 1957-12-26 Humboldt Lookout rock Patrick's Point Comment
  POM182453  Selaginella wallacei Joseph P. Tracy 1912-7-26 3850 Humboldt Kneeland Prairie. 762 Comment
  HSC6116  Senecio integerrimus D. E. Anderson 1962-5-1 2195 Humboldt 2 mi. W of Hoopa Comment
  HSC70329  Senecio integerrimus M. A. Baker 1980-6-8 1884 Humboldt Near Buck Flat. 1554 Comment
  HSC98548  Senecio integerrimus var. major Cara Witte 2008-6-9 696 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  UC1199241  Senecio integerrimus var. major Joseph P. Tracy 1938-5-1 15728 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCSC000817  Senecio sylvaticus H. L. Person 1932-7-18 s.n. Humboldt Eureka, Freshwater, Forest: T4NRIE Comment
  HSC102003  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 904 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC1199234  Senecio triangularis Joseph P. Tracy 1933-7-25 12846 A Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  CHSC74935  Sequoia sempervirens Ronald J. Mastrogiuseppe 1966-11-1 Humboldt Humboldt Redwoods State Park. On the flood plain of the Founder's Grove. Comment
  SEINET3141794  Sequoia sempervirens A. L. Reina G., T. R. Van Devender 2001-12-25 2001 -1044 Humboldt 3.2 km S of Red Creston Alt. CA 101, Humboldt Redwoods State Park Comment
  SEINET11739295  Sequoia sempervirens R. J. Mastrogiuseppe 1966-1 s.n. Humboldt Founders' Grove, Humboldt Redwoods State Park Comment
  UC34651  Sericocarpus oregonensis subsp. oregonensis Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pon Comment
  UC180191  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1914-9-6 4620 Humboldt Bald Mountain, between High Prairie and Snow camp Bald Mountain 1066 Comment
  UCR39801  Sherardia arvensis L. P. Janeway 1984-5-13 775 Humboldt Along the Kneeland/Bridgeville Road c. 15 mi. east of the Kneeland post office just past Lone Star Junction and near Lone Star Creek 610 Comment
  SEINET6993447  Sherardia arvensis Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  UC673264  Sidalcea asprella Lincoln Constance, Reed C. Rollins 1942-5-12 2889 Humboldt Klamath River 12 mi n Weitchpec 121 Comment
  UCD116621  Sidalcea diploscypha K. Esau 1934-5-7 s.n. Humboldt above Fort Seward. 457 Comment
  CAS-BOT-BC205573  Sidalcea malachroides Alice Eastwood; John Thomas Howell 1937-6-23 4856 Humboldt 8 miles from Korbel on road to Maple Creek Comment
  CAS-BOT-BC205575  Sidalcea malachroides Alice Eastwood; John Thomas Howell 1937-6-23 4855 Humboldt 8 miles from Korbel on road to Maple Creek Comment
  UC668138  Sidalcea malachroides Joseph P. Tracy 1938-6-15 15938 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  HSC97915  Sidalcea malviflora subsp. nana Cara Witte 2007-6-14 286 Humboldt White Oak Opening. Along Kinsey Ridge. Near hunting camp. 1238 Comment
  UC205633  Sidalcea oregana subsp. eximia Joseph P. Tracy 1920-8-29 5394 Humboldt Dows Prairie Northern Coast Region, around Humboldt Bay 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
  POM209753  Sidalcea oregana subsp. spicata Joseph P. Tracy 1932-7-10 10382 Humboldt Trinity Summit Corral Prairie, in wet meadow Comment
  UC1198364  Silene antirrhina Joseph P. Tracy 1911-7-12 3519 Humboldt mountain slopes along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges, btw Three Creeks and mouth Willow Cre 762 Comment
  UC162882  Silene bridgesii Harley P. Chandler June, 1901 1505 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  UC668099  Silene californica Joseph P. Tracy 1938-7-7 16040 Humboldt Grouse Mountain 1524 Comment
  UC161017  Silene californica Joseph P. Tracy 1906-6-24 2502 Humboldt e Field's Landing (Humboldt Hill, region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  CAS-BOT-BC174876  Silene campanulata subsp. glandulosa Clarence R. Quick 1959-7-24 59 -33 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC57450  Silene campanulata subsp. glandulosa G. L. Clifton, Griswold 1979-7-26 10264 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  OBI22895  Silene gallica H. E. & S. T. Parks, S. T. Parks May1937 5938 Humboldt Trinidad, Spruce Cove 0 Comment
  UC1537311  Silene gallica Gordon H. True Jr. 1936-5-11 461 Humboldt 12 mi w Miranda (e slope Elk Ridge); w of Miranda, e slope Elk Ridge 457 Comment
  HSC84003  Silene gallica L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 225 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  CAS-BOT-BC388938  Silene grayi Joseph P. Tracy 1932-7-12 10477 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  HSC31197  Silene grayi D. E. Anderson 1972-6-20 5755 Humboldt Along the N slope of Horse Mtn. Comment
  HSC63145  Silene grayi M. A. Baker 1979-6-27 937 Humboldt Below Trinity Summit at head of Oregon Creek Comment
  UC659353  Silene hookeri Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2612 Humboldt near Eureka; McClellan Mountain, near Eureka 822 Comment
  BLMAR685  Silene laciniata subsp. californica Jennifer Wheeler 2013-6-25 685 Humboldt King range, Strawberry Rock 76 Comment
  HSC4164  Silene laciniata subsp. californica D. E. Anderson 1965-5-15 3709 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek Comment
  UC668193  Silybum marianum Joseph P. Tracy 1938-7-6 16026 Humboldt Big Lagoon 12 Comment
  UC180226  Sinapis arvensis Joseph P. Tracy 1914-10-11 4635 Humboldt at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC1198796  Sisymbrium officinale Joseph P. Tracy 1932-7-17 10658 Humboldt Trinity Summit at Corral Prairie Corral Prairie; Klamath Mountains, Trinity Summit, Corral Prairie 1524 Comment
  HSC13929  Sisyrinchium bellum R. D. Modaferri 1965-5-13 97 Humboldt 0.8 mi. N of Trinidad on Trinity St. 305 Comment
  UC702601  Sisyrinchium bellum C. C. and S. K. Harris 1942-6-9 1219 Humboldt 3 mi n and 1 mi w of Fernbridge 33 Comment
  HSC13931  Sisyrinchium californicum J. F. Knezevich 1968-5-23 454 Humboldt N of Trinidad at Big Lagoon 0 Comment
  JEPS12064  Solanum furcatum Joseph P. Tracy 1940-10-5 16749 Humboldt Trinidad, near boat landing Trinidad 9 Comment
  CDA41195  Solanum parishii J. Breton & A. Livingtston 2005-6-15 12 Humboldt Northeast of Grouse Mountain. Comment
  HSC21312  Solanum parishii D. E. Anderson 1965-6-1 3778 Humboldt Along Friday Ridge Rd. about 3 mi. NE of its Jct. with Titlow Hill Rd. 1067 Comment
  UC1196159  Solanum umbelliferum Joseph P. Tracy 1913-6-20 4219 Humboldt opposite Buck Mountain (in Valley of Van Duzen River, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  UC205162  Solidago elongata Joseph P. Tracy 1919-9-22 5260 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1889 Comment
  BLMAR705  Solidago spathulata Jennifer Anthony-Wheeler 1994-9-8 705 Humboldt Samoa/manilla dunes, growing in every dune mat area in the samoa rare plant protection area 12 Comment
  UC129319  Solidago spathulata Harley P. Chandler May 1901 1158 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  UCR122358  Solidago spathulata var. spathulata George K. Helmkamp, E. A. Helmkamp 2001-7-8 7023 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC67881  Sonchus asper J. P. Smith 1973-5-26 6873 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UCSB25395  Sparganium emersum Keefe, Joseph 1967-7-8 Humboldt East side of U.S. Highway 101, turnoff to Crannell Road, north of Eureka 6 Comment
  UC302160  Sparganium emersum var. emersum Joseph P. Tracy 1926-8-22 7771 Humboldt pond between Little Van Duzen River and Dinsmore's; Northern Coast Ranges 670 Comment
  CAS-BOT-BC5579  Spartina densiflora f. acuta Amos Arthur Heller 1924-7-21 13871 Humboldt at Eureka Comment
  CDA19921  Spartium junceum R. Spadoni 2002-6-26 PDR P 070828 Humboldt Northern California; Vicinity of Garberville. 0 Comment
  HSC82961  Spergularia macrotheca A. L. Eicher 1985-6-19 Humboldt SW side of mouth of Mad River Slough, Humboldt Bay. 0 Comment
  CAS-BOT-BC149617  Spiraea douglasii Milo S. Baker 1927-8-21 2484 b Humboldt [Spagnum] Sphagnum Bog near Bald Mt. 914 Comment
  HSC19746  Spiraea splendens var. splendens R. J. Vernimen 1963-3-25 14 Humboldt Along railroad tracks at Clam Beach lagoons Comment
  UC1196399  Spiranthes romanzoffiana Joseph P. Tracy 1949-8-11 18463 Humboldt Snow Camp 1402 Comment
  HSC37591  Spiranthes romanzoffiana J. D. Ackerman 1976-8-6 784 Humboldt Sand Hills across from Samoa Blvd. at intersection of Samoa Blvd. and tunroff to Samoa Bridge Comment
  HSC37807  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1976-8-11 786 Humboldt W side of Freshwater Lagoon, along Hwy. 101 Comment
  JEPS64518  Spiranthes romanzoffiana W. L. Jepson 1936-8-17 17932 Humboldt near Arcata; Mad River, Arcata bottom Comment
  UC666993  Spiranthes romanzoffiana Joseph P. Tracy 1934-7-21 13477 Humboldt near Samoa (edges of dunes); Humboldt Bay 6 Comment
  UC666996  Spiranthes romanzoffiana Joseph P. Tracy 1937-8-22 8341 Humboldt near High Prairie; Bald Mountain 1066 Comment
  CHSC93382  Stachys B. Castro; L. Janeway 1996-7-29 688 Humboldt Ca 4 air mi NE of Orick, along Lost Man Creek Trail. 36 Comment
  UC577327  Stachys ajugoides var. rigida Joseph P. Tracy 1936-6-8 14874 Humboldt Trinidad 3 Comment
  UC668215  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 A Humboldt Valley of South Yager Creek 762 Comment
  UCLA70846  Stachys ajugoides var. rigida Joseph P. Tracy 1934-7-18 13455 Humboldt Grouse Mountain North Coast Ranges 1615 Comment
  HSC14418  Stachys rigida P. Markle 1962-5-19 47 Humboldt Beginning of trail in woods near HSC campus near reservoir 30 Comment
  HSC49394  Stachys rigida R. York 1979-5-15 288 Humboldt Trail leading to College Cove 1 mi. N of Trinidad Comment
  RSA20845  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8885 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  RSA82586  Stachys rigida subsp. rigida F. W. Peirson 1932-7-7 10260 Humboldt Roadside, on Willow Creek, a few miles Willow Creek P.O. Comment
  HSC57939  Stachys rigida var. rigida G. L. Clifton, Griswold 1979-7-31 11606 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  SD29272  Stachys rigida var. rigida Lincoln Constance 1934-5-26 663 Humboldt Sand and gravel bar of S. Fork of Eel River, S. end of Dyerville Bridge. 46 Comment
  HSC4268  Stellaria media D. E. Anderson 1962-7-17 2274 Humboldt Camp Bauer, 1/4 mi. E of Korbel, along N Fork of Mad River Comment
  BLMAR188  Stellaria nitens Donald Hazlett 1994-6-7 188 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC161001  Stellaria nitens Joseph P. Tracy 1910-4-24 3126 Humboldt near Humboldt Bay (Ocean Beach at Humboldt Bay); Northern Coast Region Comment
  UC1173636  Stenanthium occidentale Joseph P. Tracy 1937-7-25 15558 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC204696  Stephanomeria elata Joseph P. Tracy 1918-9-29 5104 Humboldt 4 mi above mouth of South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  HSC40560  Stipa occidentalis var. californica Thomas W. Nelson, Jane P. Nelson 1976-7-1 2927 Humboldt Along ridge W of Lassic Peak (Signal Peak). 1738 Comment
  HSC97387  Stipa pulchra J. P. Tracy 1927-5-8 7963 Humboldt Phillipsville, facing S fork of Eel River 122 Comment
  CAS-BOT-BC87609  Streptanthus tortuosus Doris Kildale Gillespie 1931-6-7 10597 Humboldt South Fork Mountain. Blake Lookout. 1726 Comment
  CAS-BOT-BC87619  Streptanthus tortuosus Lincoln Constance; Reed C. Rollins 1942-5-12 2880 Humboldt Klamath-Siskiyou Region. Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 152 Comment
  HSC48390  Swertia radiata Brad Klipfel 1973-6-10 114 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC58360  Swertia radiata Overton, Butler 1979-8-2 12712 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC269576  Symphoricarpos albus var. laevigatus Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC58831  Symphyotrichum bracteolatum Overton, Butler 1979-8-2 12678 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC99158  Symphyotrichum chilense Mary O'Conor 1927-9-26 s.n. Humboldt Eureka Comment
  RSA153390  Symphytum asperum T. C. Fuller 1961-9-28 7047 Humboldt Humboldt County: Arcata Bottoms, 0.5 mile S of the Mad River, 0.75mile W of Hwy 101, 2miles N of Arcata Comment
  JEPS26264  Synthyris reniformis Joseph P. Tracy 1948-8-15 18116 Humboldt ne of Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  JEPS9922  Synthyris reniformis Charlotte Wilder 1922-3-2 Humboldt roadbanks near Beckwith's Mill; North Coast, Carlotta Comment
  POM128331  Synthyris reniformis Jos. Burtt Davy, Walter C. Blasdale 1899-6-18 5617 Humboldt Bald Mtn, Northeast of Korbel. Comment
  UCD124639  Synthyris reniformis D. C. Hagar 1957-4-4 145 Humboldt Happy Camp Mountain, ca. 5.5 miles northwest of Salyer. 1219 Comment
  HSC6252  Tanacetum bipinnatum D. B. Bader 1963-5-1 2 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101, along R.R. tracks Comment
  HSC6249  Tanacetum bipinnatum R. L. Jarvis 1962-4-29 40 Humboldt Freshwater Lagoon, 1 mi. S of Orick on Hwy. 101 0 Comment
  JEPS37129  Tanacetum camphoratum William S. Cooper 1925-7-30 123 Humboldt Little River 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
  RSA47122  Tanacetum camphoratum Doris K. Kildale 1925-7-2 912 Humboldt Table Bluff beach. Comment
  HSC6258  Taraxacum officinale Richard Steele 1962-3-4 3 Humboldt 1/2 mi. W of HSC campus 15 Comment
  CAS-BOT-BC85211  Taxus brevifolia Henry M. Pollard 1986-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  RSA160832  Taxus brevifolia Joseph P. Tracy 1924-9-7 6862 Humboldt Grizzly Creek on Van Duzen River 91 Comment
  SEINET3876099 Image available Taxus brevifolia M. C. Hartman 1963-3-30 8 Humboldt Highway 299 1 mile E. of Berry Summit.; 0 Comment
  UC666679  Taxus brevifolia H. S. Reed 1938-7-27 192 Humboldt e fork Willow Creek Comment
  HSC89548  Tellima grandiflora M. Roantree 1985-5-2 30 Humboldt E side of Trinidad Head. Comment
  UC1196166  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1939-5-14 16291 Humboldt Dinsmore's Van Duzen River 746 Comment
  HSC61646  Thermopsis macrophylla Ruby Van Deventer 1959-6-20 Humboldt Humboldt-Del Norte Co. line, Onion Lake 1067 Comment
  SEINET200820  Thermopsis rhombifolia J. P. Tracy 1927-5-15 8045 Humboldt Sugar Bowl Mt. between Hoopa and Willow Cr 457 Comment
  UCD108599  Thermopsis robusta G. F. Hrusa 1992-5-3 10423 Humboldt 9.5 road m. N of Klamath River on Cedar Camp Rd. 1219 Comment
  UC673196  Thlaspi montanum var. montanum Lincoln Constance and Reed C. Rollins 1942-5-12 2887 Humboldt Klamath River 7 mi ne Weitchpec (Klamath-Siskiyou Region); , Klamath River 121 Comment
  NY17196  Thuja plicata A. Kellogg 1868-1 933 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY17200  Thuja plicata I. L. Wiggins 1955-7-31 13594 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
  UC63991  Thuja plicata Mrs. M. H. Manning 1901-10-1 Humboldt Comment
  HSC100464  Thysanocarpus curvipes Carl C. Marshall Apr 1887 370 Humboldt Hoopa Valley. Comment
  UC1541459  Thysanocarpus curvipes H. E. Parks 1930-5-25 870 Humboldt Laribee Valley 762 Comment
  CAS-BOT-BC436903  Tiarella trifoliata var. unifoliata L. R. Abrams 1916-7-11 6014 Humboldt Mouth of Grizzley Creek on Van Duzen River Comment
  UC154081  Tiarella trifoliata var. unifoliata J. P. Tracy 1907-6-20 2567 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCR124075  Tiarella trifoliata var. unifoliata George K. Helmkamp, E. A. Helmkamp 2001-7-8 6971 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-BC436905  Tiarella trifoliata var. unifoliata Milo S. Baker 1923-7-1 82 b Humboldt Near Wilder's Comment
  JEPS49714  Tiarella trifoliata var. unifoliata Milo S. Baker 1923-7-19 82 c Humboldt canyon near Carlotta; canyon near Carlotta Comment
  UC303041  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1926-6-27 7664 Humboldt Horse Mountain 1463 Comment
  UC1222357  Tolmiea diplomenziesii Joseph P. Tracy 1950-6-8 18726 Humboldt Bear River Ridge 609 Comment
  POM332456  Torilis arvensis Thomas W. Nelson, Jane P. Nelson 1978-7-2 4387 Humboldt Along hwy 36 ca. 1 mile E of Grizzly Creek Comment
  UCR3543  Torilis arvensis David Whistler, H. M. Whistler 1964-7-29 640729- 3 Humboldt North Coast Range, US 101, [South Fork Eel River] across the street from Myers Flat Store 63 Comment
  CHSC33049  Torilis arvensis subsp. arvensis Thomas Nelson; Jane Nelson 1978-7-2 4387 Humboldt Along highway 36 ca. 1 mile east of Grizzly Creek. Comment
  UC1197063  Torilis arvensis subsp. arvensis Mrs. Archie Cathey July 1933 Humboldt near Miranda (at Cathey Ranch) 304 Comment
  JEPS63915  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16429 Humboldt on rd. to Bull Creek Dyerville Comment
  POM117573  Toxicodendron diversilobum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UC1239715  Trichostema laxum Joseph P. Tracy 1921-10-9 5968 Humboldt Blue Lake, on gravel bar of Mad River Northern Coast Ranges 30 Comment
  UC162685  Trichostema laxum Joseph P. Tracy 1911-7-10 3492 Humboldt Valley of Trinity River at mouth of Willow Creek Northern Coast Ranges 152 Comment
  JEPS63152  Trichostema oblongum Joseph P. Tracy 1921-8-21 5936 Humboldt Trinity River Valley near Willow Creek Northern Coast Ranges 152 Comment
  HSC32879  Trientalis latifolia Thomas W. Nelson, James Nelson 1973-5-28 933 Humboldt McKeown Ranch N of Dinsmore Comment
  JEPS43082  Trientalis latifolia Joseph P. Tracy 1926-5-22 7509 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  CDA4306  Trifolium angustifolium B. Morrison 1974-7-22 Humboldt Approximately six miles east of Capetown, on Bear River Road. 0 Comment
  UC1223516  Trifolium barbigerum Joseph P. Tracy 1933-5-20 12240 Humboldt Petrolia Mattole Valley Comment
  UC1223512  Trifolium barbigerum Joseph P. Tracy 1939-4-18 16213 Humboldt w side South Fork of Eel River (Garberville) 152 Comment
  UC1197179  Trifolium bifidum var. decipiens Joseph P. Tracy 1903-5-23 1900 Humboldt at Alder Point (Eel River); Northern Coast Ranges 91 Comment
  HSC45114  Trifolium ciliolatum R. Sutherland 1978-5-16 7 .16578 Humboldt 155 Comment
  POM118629  Trifolium dubium Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC1197051  Trifolium dubium Joseph P. Tracy 1914-6-14 4502 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UC495649  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-29 8821 Humboldt nw slope Buck Mtn (lower foothills); Northern Coast Ranges Comment
  UC1197033  Trifolium fucatum Joseph P. Tracy 1932-5-10 9963 Humboldt near Petrolia (Mattole River); North Coast Ranges 15 Comment
  UC1223458  Trifolium fucatum Joseph P. Tracy 1938-6-17 15950 Humboldt s Cape Ridge (near ocean); Cape Mendocino Comment
  RSA90948  Trifolium fucatum var. fucatum F. W. Peirson 1926-7-12 7032 Humboldt Orick Comment
  UCR95636  Trifolium hybridum R. F. Thorne, Percy C. Everett 1965-8-8 35268 Humboldt North Coast, N edge of Eureka, east of Hwy 101 5 Comment
  UC1223360  Trifolium macraei Joseph P. Tracy 1936-5-30 14841 Humboldt Samoa Sand Dunes Comment
  UC495660  Trifolium macraei Joseph P. Tracy 1927-6-8 8114 Humboldt Trinidad; Northern Coast Ranges, Trinidad 15 Comment
  HSC38084  Trifolium microcephalum Thomas W. Nelson, Jane P. Nelson 1976-5-30 2606 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA183525  Trifolium microcephalum D. E. Anderson 1965-5-8 3645 Humboldt About 2 miles north of Willow Creek along road running along east side of Trinity River. Comment
  UC495696  Trifolium microdon Joseph P. Tracy 1927-6-5 8102 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  HSC38634  Trifolium obtusiflorum D. E. Anderson, J. P. Smith 1971-6-28 - 1257 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  JEPS66102  Trifolium obtusiflorum Lincoln Constance 1934-5-26 669 Humboldt s end Dyerville Bridge; South Fork Eel River, Bull Creek Region Comment
  UC1541584  Trifolium obtusiflorum Parks and Tracy 1930-5-25 861 Humboldt Laribee Valley 762 Comment
  UC906700  Trifolium oliganthum Joseph P. Tracy 1942-5-16 11548 Humboldt Garberville vicinity 152 Comment
  UC1223330  Trifolium pratense Joseph P. Tracy 1941-8-23 16995 Humboldt Eureka Comment
  UCR122354  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2001-7-8 6963 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  RSA168849  Trifolium pratense Joseph P. Tracy 1934-8-6 13558 Humboldt Near Blue Lake, along Mad River Comment
  UC169057  Trifolium variegatum var. melananthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3594 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC1103451  Trifolium variegatum var. melananthum J. P. Tracy 1898-4 158 Humboldt Eureka vicinity Northern Coast Region 0 Comment
  UC495687  Trifolium willdenovii Joseph P. Tracy 1932-5-16 10110 Humboldt near Samoa; Northern Coast Ranges, Humboldt Bay 6 Comment
  HSC103851  Trifolium wormskioldii G. D. Barbe, T. C. Fuller 1974-6-17 1851 Humboldt Crescent City; Pebble Beach Rd., south of Airport and Washington Blvd. Comment
  HSC15194  Trifolium wormskioldii Norman H. Moe 1962-5-17 Humboldt Lanphere's Place. Comment
  POM349599  Trifolium wormskioldii J. P. Smith, Thomas W. Nelson 1977-6-30 9207 Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC725901  Trifolium wormskioldii A. A. Heller 1937-6-11 15891 Humboldt n Trinidad (Big Lagoon on US Hwy 101) Comment
  JEPS101255  Triglochin maritima Dean W. Taylor 1991-9-15 12291 Humboldt Big Lagoon, along Highway 101 near the mouth of Tom Creek. 3 Comment
  UC672871  Triglochin maritima Joseph P. Tracy 1934-7-20 13466 Humboldt Big Lagoon 3 Comment
  HSC14169  Triglochin maritima D. E. Anderson 1961-9-3 1779 Humboldt Along Hwy. 101 Comment
  CHSC96700  Triglochin striata Gordon Leppig 1999-10-25 1267 Humboldt State Highway 101, mile marker 61.40. Ditch on east side of highway. UTM zone 10, 4519N, 406 E. 2 Comment
  HSC15714  Trillium albidum Francis Winter 1960-5-7 Humboldt Hog Ranch Ridge, 8 mi. W of Hoopa Indian Reservation 915 Comment
  SEINET12050371  Trillium albidum F. H. Utech 1988-1 88 -286 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, Mile Marker 42.00, above Van Duzen River 800 Comment
  UC902042  Trillium angustipetalum Joseph P. Tracy 1949-6-25 18350 Humboldt near Box Camp Trinity Summit 1524 Comment
  CAS-BOT-BC519092  Trillium chloropetalum var. chloropetalum D. H. Norris 1970-5-20 12216 Humboldt At crest of ridge on Big Hill Road east of Hoopa, at streamhead. Comment
  CAS-BOT-BC389696  Trillium ovatum Mary K. Wicksten 1972-3-8 39 Humboldt Arcata Comment
  HSC39526  Trillium ovatum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2714 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  CAS-BOT-BC133392  Trillium ovatum R. N. Raynor 1934-4-1 s.n. Humboldt Above Fort Seward Comment
  HSC15700  Trillium ovatum Dan O'Brien 1962-4-21 Humboldt 0.5 mi. E of HSC campus Comment
  UC176190  Trillium ovatum Joseph P. Tracy 1913-4-13 4034 Humboldt at Eureka Eureka; Northern Coast Region 0 Comment
  CAS-BOT-BC521310  Trillium rivale Joseph P. Tracy 1929-7-4 3317 Humboldt French Camp 1066 Comment
  CAS-BOT-BC521314  Trillium rivale Doris K. Kildale 1930-6-1 9739 Humboldt Klamath River at Bluff Creek 152 Comment
  SEINET12324840  Triodanis biflora H. P. Chandler 1901-1 1415 Humboldt North Coast Ranges, Klamath River 427 Comment
  SEINET10459890  Triodanis perfoliata Chandler CHANDLER 1514 Humboldt Klamath River, somes bar. 427 Comment
  SEINET10459891  Triodanis perfoliata Tracy TRACY 2197 Humboldt EUREKA Comment
  HSC47606  Triphysaria eriantha J. P. Smith 1977-4-23 9031 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground. 561 Comment
  HSC20856  Triphysaria eriantha subsp. eriantha Francis Winter 1960-4-19 Humboldt Samoa Peninsula, Fairhaven Airport entrance, 12 mi. W of Arcata Comment
  CHSC31269  Triphysaria eriantha subsp. rosea Mark Stopher 1980-4-2 45 Humboldt In sand dunes on Samoa Oeninsula near Humboldt Bay. 4 Comment
  UC1198042  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1936-6-6 14862 Humboldt Eureka 6 Comment
  UC1222436  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17470 Humboldt Eureka 6 Comment
  CAS-BOT-BC199625  Trisetum canescens David D. Keck 1948-7-2 6006 Humboldt E. side of Rocky Ridge, E. of Berry's Summit, 4.1 miles W. of Willow Creek, near Boundary of Six Rivers National Forest 457 Comment
  UC187232  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point Eel River (on Eel River) 152 Comment
  SEINET5424014  Trisetum canescens J. B. Davy, W. C. Blasdale 5036 Humboldt Walkers Valley, hwy 25 Comment
  SEINET198591 Image available Trisetum cernuum H. E. Parks, S. T. Parks 7551 Humboldt Spruce Cove Trinidad. 61 Comment
  UC1103152  Trisetum cernuum Joseph P. Tracy 1935-5-24 13813 Humboldt Eureka; Northern Coast Ranges 0 Comment
  CDA2569  Trisetum flavescens J. P. Tracy 1917-7-1 4830 Humboldt Eureka. 0 Comment
  JEPS560  Triteleia bridgesii Joseph P. Tracy 1929-7-4 8616 Humboldt French Camp 1066 Comment
  JEPS2503 Image available Triteleia laxa W. L. Jepson 1921-8-11 9412 a Humboldt Big Lagoon Humboldt coast; Big Lagoon, Humboldt coast Comment
  RSA254788  Triteleia laxa Thomas W. Nelson, James Nelson 1973-5-28 952 Humboldt McKeown Ranch north of Dinsmore. Comment
  CAS-BOT-BC526355  Triteleia laxa Doris K. Kildale 1926-5-16 2005 Humboldt Miranda, South Fork of Eel River Comment
  UC422834  Triteleia laxa P. E. Goddard 1907-5-29 b. 110 Humboldt Van Duzen Comment
  CAS-BOT-BC85896  Tsuga heterophylla G. A. Coleman 1901-7-23 s.n. Humboldt Near Acorn Comment
  SEINET12026866  Urtica dioica J. P. Tracy 1950-1 19369 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles 122 Comment
  UCD170579  Urtica dioica subsp. gracilis Gordon Leppig 1998-4-13 736 Humboldt Arcata, Anvick Rd. 12 Comment
  SEINET202729  Urtica dioica subsp. holosericea Joseph P. Tracy 1950-9-22 19369 Humboldt Klamath River, near Slate Creek. 8 miles below Orleans. 122 Comment
  HSC15307  Utricularia macrorhiza W. B. Strickland 1968-3-28 Humboldt McClellan Mtn. Rd., off Hwy. 36 above Bridgeville 457 Comment
  HSC102021  Vaccinium cespitosum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 922 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC1197774  Vaccinium cespitosum J. P. Tracy 1901-4-21 1036 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  CAS-BOT-BC199321  Vaccinium ovatum Elmer I. Applegate 1923-9-10 3986 Humboldt Martin's Ferry, Klamath River Comment
  HSC34645  Vaccinium ovatum Thomas Anthony 1975-4-8 3 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  RSA46873  Vaccinium ovatum Doris K. Kildale 1927-3-25 s.n. Humboldt Humboldt Hill Comment
  SDSU3428  Vaccinium ovatum L. N. Harvey 1930-10-27 1236 Humboldt Comment
  CAS-BOT-BC199407  Vaccinium parvifolium Alice Eastwood 1907-4-22 s.n. Humboldt Unspecified Comment
  UC1197780  Vaccinium parvifolium Joseph P. Tracy 1931-4-26 9341 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  HSC55023  Vaccinium uliginosum Overton, Butler 1979-7-31 11435 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC562350  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1932-7-14 10564 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC97564  Valeriana californica Cara Witte 2007-6-1 169 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1417 Comment
  HSC48152  Valeriana sitchensis subsp. sitchensis Brad Klipfel 1975-5-30 656 Humboldt N of Horse Mtn. Comment
  HSC74321  Vancouveria hexandra Gail Newton 1980-7-20 1637 Humboldt Near Bell Swamps 1426 Comment
  CAS-BOT-BC76088  Vancouveria planipetala Greg de Nevers 2001-4-17 12245 Humboldt Humboldt Redwoods State Park. 91 Comment
  UC1126306  Vancouveria planipetala A. E. Wieslander 1931-5-19 207 Humboldt near Orleans; Klamath Forest, Hoopa Quadrangle Comment
  HSC102030  Veratrum californicum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 932 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  CAS-BOT-BC135774  Veratrum insolitum Doris K. Kildale 1925-9-5 1272 Humboldt Between Orick and Martin's Ferry 716 Comment
  HSC98057  Veratrum insolitum Cara Witte 2007-7-19 544 Humboldt Along National Forest 1. Approximately 1 mile south of turnoff to Cold Spring. 1423 Comment
  HSC34287  Veratrum viride K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  UC535722  Verbascum blattaria Eleanor Armstrong 1934-8-18 1178 Humboldt Richardson Grove; along river 121 Comment
  HSC67839  Verbena lasiostachys J. P. Smith 1971-10-9 5027 Humboldt Mad River above the Fish Hatchery. Comment
  SEINET1008963  Verbena lasiostachys Alma L. Moldenke, Harold N. Moldenke 1975-1 30232 Humboldt Van Duzen River valley east of Bridgeville, Humboldt County, California. 732 Comment
  CDA30190  Veronica americana M. K. Beyers, I. Shepardson 2009-9-13 241 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  HSC23729  Veronica americana Tim Baroni 1971-7-6 128 Humboldt 15 mi. S of Ferndale on Mattole Rd. Comment
  HSC45597  Veronica americana Diane L. Reed 1978-5-27 136 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 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
  RSA46832  Veronica americana Doris K. Kildale 1926-5-9 1988 Humboldt Kneeland Prairie. Comment
  HSC21201  Veronica peregrina P. Markle 1962-5-16 41 Humboldt Near City of Arcata Reservoir on road 61 Comment
  HSC12758  Veronica persica M. J. Athey 1970-12-2 24 Humboldt 1st St. in Westhaven, Trinidad Comment
  HSC21217  Veronica persica D. K. Smith 1968-1-16 1 Humboldt 0.5 mi. S of Blue Lake on West End Rd. Comment
  HSC37846  Veronica persica Thomas W. Nelson, James Nelson 1976-3-11 2265 Humboldt Beside Eel River just N of terminus of Singley Rd. Comment
  UC501613  Veronica scutellata Frank W. Peirson 1923-7-11 3838 Humboldt 7 mi n of Arcata Comment
  JEPS4464  Veronica scutellata W. L. Jepson 1902-6-24 1921 Humboldt between Eureka and Arcata (Expedition from Ukiah to the Hupa Indian Reservation) Comment
  HSC96944  Veronica serpyllifolia subsp. humifusa Ryoko Ito, Shauna McDonald 2007-6-13 7 Humboldt 1 mi. from NF1 on FS 5N04 1601 Comment
  HSC90236  Vicia americana var. americana L. Watson, J. Meninga Apr 1991 23 Humboldt Near Manilla, Mad River Slough and Dunes. N end of parking lot, W side of trail. Comment
  HSC98614  Vicia americana var. americana Cara Witte 2008-7-2 803 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  UC1197467  Vicia americana var. americana Joseph P. Tracy 1914-5-14 4437 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  UC162796  Vicia americana var. americana Joseph P. Tracy 1907-6-25 2575 Humboldt Elk River Valley; Northern Coast Region, Humboldt Bay Region 0 Comment
  POM278062  Vicia angustifolia Lyman D. Benson 1928-7-12 461 Humboldt Weott Ranger Station 61 Comment
  HSC15266  Vicia gigantea S. R. Johnson 1965-3-28 21 Humboldt 1.5 mi. N of Luffenholtz Beach Comment
  JEPS66180  Vicia gigantea W. L. Jepson 1902-8-4 13640 Humboldt near Petrolia; Humboldt Coast Comment
  UC1222588  Vicia hirsuta Joseph P. Tracy 1950-6-17 18835 Humboldt Eureka Comment
  OBI12617  Vicia hirsuta Joseph P. Tracy 2016-5-31 4689 Humboldt Stitz Crk. Along Eel River from S Fork to Scotia Comment
  RSA168921  Vicia hirsuta Joseph P. Tracy 1943-7-1 17428 Humboldt Vacant lot, 7th and I Streets, Eureka. (Same place as no. 17474). Comment
  POM161054  Vicia sativa Joseph P. Tracy 1926-5-2 7433 Humboldt Trinity River Valley, near the south fork. Comment
  UC1197473  Vicia sativa subsp. nigra J. P. Tracy 1901-5-21 1102 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC263833  Viola Lena E. Bowley 1941-4-1 s.n. Humboldt Unspecified Comment
  HSC73065  Viola adunca M. A. Baker 1980-6-16 1948 Humboldt Near Onion Mtn. 1280 Comment
  HSC71790  Viola glabella Gail Newton 1980-6-16 178 Humboldt Near Monks Camp. 1097 Comment
  UC19284  Viola glabella Harley P. Chandler June, 1901 1285 Humboldt Hupa Indian Reservation; North Coast Ranges 1097 Comment
  HSC45496  Viola glabella Maralyn O'Meara 1972-6-8 97 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  RSA46691  Viola hallii Doris K. Kildale 1938-6-5 15398 Humboldt Horse Mountain Comment
  UC502965  Viola hallii Joseph P. Tracy 1927-6-12 8125 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1524 Comment
  HSC21804  Viola hallii D. E. Anderson 1967-6-10 4367 Humboldt W-facing slope on Horse Mtn. 1220 Comment
  JEPS80008  Viola lobata subsp. integrifolia Joseph P. Tracy 1937-7-2 15408 Humboldt head of Little Hors-Linto Creek (Trinity Summit); , Little Hors-Linto Creek 1371 Comment
  UC668248  Viola lobata subsp. integrifolia Joseph P. Tracy 1936-8-7 15103 Humboldt head of Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1524 Comment
  JEPS50445  Viola ocellata Lincoln Constance 1934-5-23 600 Humboldt se slope of mountain above Lookout Prairie; Bull Creek Region, South Fork Eel River 365 Comment
  HSC38790  Viola praemorsa subsp. praemorsa J. P. Smith 1976-5-30 8823 Humboldt Near Black Rock on the road to Clear Lake 1524 Comment
  CHSC24918  Viola sempervirens M. B. Simpson 1976-4-10 21 Humboldt Ca. 1 yd s of Wagon Wheel Rd, ca. .3 mi e of West Haven Dr, ca. 13 mi n of Arcata. 121 Comment
  CHSC94931  Viola sempervirens K. Lang; J. Lang 2005-3-16 50 Humboldt Trinidad, N. California coast. 51 Comment
  HSC95748  Viola sempervirens Kevin Thomas 2004-3-13 2 Humboldt Arcata Community Forest, Jolly Giant Creek diversion dam Comment
  SEINET11994159  Viola sempervirens N. H. Russell 1967-1 67 -12 Humboldt James Irvine grove of redwoods, US 101, N of Orick Comment
  UC1762512  Viola sheltonii Milo S. Baker 11510 Humboldt South Fork Mountains Comment
  HSC67529  Vitis californica J. P. Smith, Steve Selva 1970-6-14 3839 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  SEINET200566 Image available Vitis californica Joseph P. Tracy 1922-1 6109 Humboldt Klamath River at Bluff Creek. 91 Comment
  SEINET200825 Image available Vitis californica Joseph P. Tracy 1911-1 3333 Humboldt Along Willow Creek, a tributary of Trinity River. Near its mouth 152 Comment
  UCD60331  Vitis californica H. Olmo 1934-9-30 s.n. Humboldt Along highway in Blue Lakes. Comment
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Jun 14 2012
  HSC38397  Vulpia bromoides J. D. Ackerman 1975-6-10 450 Humboldt 1 mi. N of Samoa Blvd. and Samoa Bridge Rd., S of Manila near RR tracks, along Humboldt Bay Comment
  CDA28607  Vulpia microstachys var. ciliata G. F. Hrusa 1993-6-17 11224 Humboldt Red Mountain; Entrance gate to Red Mt. Comment
  HSC37935  Vulpia myuros Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  HSC70537  Vulpia myuros Gail Newton 1980-6-7 139 Humboldt Near Brush Mtn. 1128 Comment
  HSC9928  Vulpia myuros H. E. Parks, S. T. Parks Jun 1937 5897 Humboldt Spruce Cove. Trinidad. 61 Comment
  HSC24380  Whipplea modesta J. O. Sawyer 1970-6-24 2242 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  CAS-BOT-BC382925  Wyethia angustifolia Alice Eastwood; John Thomas Howell 1937-6-23 4788 Humboldt Near Dinsmore's Comment
  HSC98077  Wyethia angustifolia Cara Witte 2007-7-11 485 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1396 Comment
  UC1223303  Wyethia angustifolia Joseph P. Tracy 1942-6-23 17222 Humboldt open place on ridge top 1 mi w Mud Springs (in serpentine formation); Trinity Summit 1158 Comment
  SEINET11799537  Wyethia angustifolia J. P. Tracy 1950-1 18739 Humboldt near Capetown, Bear River Ridge 30 Comment
  HSC25958  Xanthium strumarium Thomas W. Nelson 1970-10-31 286 Humboldt Eel River near N end of the Scotia Bluff. Comment
  HSC41257  Xerophyllum tenax Brad Klipfel 1974-6-25 447 Humboldt Horse Mtn. Comment
  HSC45833  Zeltnera muehlenbergii K. Irwin 1978-8-13 Humboldt Along Seawood Dr., 100 m W of Hwy. 101, N of Trinidad Comment
  HSC73775  Zigadenus micranthus M. A. Baker 1980-6-7 1769 Humboldt Near Brush Mtn. 1128 Comment



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