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/consortium/).
 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
  CDA470  Abies grandis Mark Lubinski 2000-10-5 PDR# P 070106 Humboldt Blue Lake; along USFS Rd 1. 0 Comment
  HSC73073  Abies procera M. A. Baker 1980-7-19 3014 Humboldt Near Bret Hole. 1814 Comment
  CHSC32897  Abronia latifolia J. P. Smith; Advanced Taxonomy Class 1971-10-6 4946 Humboldt Dunes at the end of Murray Road in McKinleyville. Comment
  RSA0025082  Abronia latifolia I. L. Wiggins 1930-7-7 4672 Humboldt Sand dunes near Samoa. Comment
  RSA0025085  Abronia latifolia Patricia Wilder 1968-8-21 4402 Humboldt Northern coastal arm of Humboldt Bay, ca. 2 miles SW of Samoa, near bay by roadside. Humboldt Bay drainage area. 5 Comment
  RSA0025871  Abronia umbellata T. S. Elias, Barbara A. Elias 1987-8-24 10622 Humboldt Prairie Creek Redwoods State Park, Gold Bluffs Beach. Comment
  CDA40639  Acaena novae-zelandiae G. S. Lester 1973-11-8 55 Humboldt Anchor Tree Farm, east of McKinleyville, near Fieldbrook. Comment
  CAS-BOT-BC330539  Acer circinatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC330548  Acer circinatum H. E. McMinn 1922-8-5 355 Humboldt Near Van Duzen River Comment
  SEINET7892760  Acer circinatum W. D. Billings 1940-6-25 1349 Humboldt Cedar Creek, 35 miles east of Arcata Comment
  UC1199016  Acer glabrum Joseph P. Tracy 1935-7-31 14394 Humboldt w side Devil's Backbone (barren rocky ridge connecting Trinity Summit with Salmon Summit); w side Devil's Backbone 1524 Comment
  HSC98356  Acer macrophyllum T. Jimerson, J. Pageau 1979-7-31 706 Humboldt Near Whiting Ridge. Close to town of Hyampom 1204 Comment
  HSC98573  Acer macrophyllum C. Witte 2007-5-17 31 Humboldt National Forest Road 5N10. 1/2 mile east of intersection with National Forest 1. 1441 Comment
  UC1199013  Acer macrophyllum Joseph P. Tracy 1914-8-23 4592 Humboldt in valley of North Fork of Elk River Northern Coast Region, Humboldt Bay, North Fork Elk River (Region about Humboldt Bay) 0 Comment
  UC452623  Acer macrophyllum P. E. Goddard 1901-7 47 Humboldt Hupa Valley Hupa Valley (Mendocino and Humboldt Counties) Comment
  HSC100420  Achillea millefolium Carl C. Marshall Jul 1887 437 Humboldt Everywhere. Comment
  HSC4547  Achillea millefolium H. E. Parks, S. T. Parks Aug 1943 24246 Humboldt Egg Point, Trinidad 122 Comment
  HSC48482  Achlys triphylla Brad Klipfel 1974-7-23 466 Humboldt Horse Mtn. area Comment
  HSC70631  Achlys triphylla R. York 1980-5-18 585 Humboldt Near Black Mtn. 390 Comment
  HSC3331  Achlys triphylla Doris K. Kildale 1926-4-2 1716 Humboldt Briceland Bridge Comment
  CAS-BOT-BC210656  Achnatherum lemmonii Joseph P. Tracy 1927-5-14 8000 Humboldt Trinity River Valley, near the South Fork 182 Comment
  CAS-BOT-BC210659  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  SEINET5585534 Image available Achnatherum lemmonii Joseph P. Tracy 1950-1 18787 Humboldt Mail Ridge, north of Harris 7 miles 1036 Comment
  UC1152041  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt halfway between Snow Camp and Twin Lakes (at Preston's old gate near road) Comment
  UC526752  Achnatherum lemmonii Joseph P. Tracy 1913-6-22 4260 Humboldt opposite Buck Mountain (Dinsmore's Ranch); valley of Van Duzen River 762 Comment
  UC70821  Achnatherum lemmonii Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5680 Humboldt Hoopa Mt. Comment
  CAS-BOT-BC216443  Achnatherum occidentale subsp. californicum Doris K. Kildale 1925-8-17 1258 Humboldt Trinity Summit 1917 Comment
  HSC98309  Acmispon micranthus William J. Ferlatte 1963-5-17 50 Humboldt Waste place, near 11th and B St., Arcata Comment
  UC502930  Aconitum columbianum Joseph P. Tracy 1932-7-10 10393 Humboldt Trinity Summit, Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC99842  Aconitum columbianum subsp. viviparum T. Jimerson, J. Pageau 1979-8-10 737 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC37338  Adenocaulon bicolor Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 486 Humboldt Along Lost Man Creek. 38 Comment
  RSA418957  Adenocaulon bicolor Lyman Benson 1927-7-11 226 Humboldt Weott Ranger Station, Seaward N Coast Mts. 61 Comment
  HSC30347  Adiantum aleuticum Dale R. Gradek 1974-5-28 95 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  UCD137172  Adiantum aleuticum K. Esau 1934-5-8 s.n. Humboldt Redwood Highway, So. of Scotia. Comment
  POM182456  Adiantum jordanii Joseph P. Tracy 1914-5-14 4427 Humboldt Hook Stream banks 122 Comment
  UC1199007  Aesculus californica Joseph P. Tracy 1914-6-14 4497 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC58330  Agastache urticifolia Overton, Butler 1979-8-2 12630 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA93723  Ageratina occidentalis F. W. Peirson 1926-7-13 7052 Humboldt Near Blue Lake, Mad River Comment
  UC176467  Agoseris apargioides var. apargioides Joseph P. Tracy 1912-7-7 3746 Humboldt near mouth of Elk River; Northern Coast Region Comment
  UC1239508  Agoseris apargioides var. maritima Joseph P. Tracy 1918-7-28 5090 Humboldt Ocean Beach Northern Coast Region Comment
  HSC57685  Agoseris aurantiaca G. L. Clifton, Griswold 1979-7-25 10901 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC75954  Agoseris grandiflora Overton, Butler 1979-7-24 9734 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  SEINET202623 Image available Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt Garberville north end of town. Comment
  UCD128595  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt north end of town, Garberville. Comment
  CAS-BOT-BC29628  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1921-7-24 5859 Humboldt Kneeland Prairie 762 Comment
  UC582751  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1936-6-17 14949 Humboldt nw slope Buck Mountain 792 Comment
  UC1199117  Agoseris grandiflora var. grandiflora J. P. Tracy 1901-7-7 1215 Humboldt immediate vicinity of, on Eureka Streets Eureka 0 Comment
  UC164824  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1911-7-4 3258 Humboldt at w side of, on hill slopes, near Willow Creek Trinity River; Northern Coast Ranges, Willow Creek 243 Comment
  UC205184  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1920-7-4 5341 Humboldt on bluffs facing the ocean Little River Beach; Northern Coast Ranges 15 Comment
  UC1222931  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19233 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  UC164792  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1911-7-7 3411 Humboldt along ridge n of, between Willow and Campbell Creeks Willow Creek; Brannan Mountain, , Campbell Creek 1219 Comment
  HSC8829  Agrostis capillaris D. J. Wilder 1965-5-9 32 Humboldt Arcata, 151 G st. Comment
  SEINET200937  Agrostis diegoensis Joseph P. Tracy 1932-7-17 10661 Humboldt Trinity Summit 1524 Comment
  HSC75270  Agrostis exarata J. O. Sawyer, M. A. Ericksen 1980-8-18 4058 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  POM126173  Agrostis exarata Joseph P. Tracy 1904-7-31 2127 Humboldt Eureka. 0 Comment
  POM160889  Agrostis exarata Joseph P. Tracy 1918-7-21 5085 Humboldt Around Humboldt Bay. Humboldt Hill 91 Comment
  RSA10022  Agrostis exarata Joseph P. Tracy 1924-7-13 6731 Humboldt Big Lagoon 6 Comment
  UC1145061  Agrostis exarata Harold E. Parks and Joseph P. Tracy 1941-7-5 11489 Humboldt Coon Creek, east side of Trinity River below Willow Cr. 152 Comment
  UC184150  Agrostis exarata Joseph P. Tracy 1912-7-21 3785 Humboldt Alton Northern Coast Region, Alton 30 Comment
  SEINET10509880  Agrostis gigantea Joseph P. Tracy 1902-7-4 Tracy 1758 Humboldt Spreading by stolons. Immediate vicinity of Eureka. 0 Comment
  SEINET10810391  Agrostis longiligula Joseph P. Tracy 1902-7-4 Tracy 1757 Humboldt 0 Comment
  UCD53038  Agrostis microphylla Joseph P. Tracy 1938-7-5 16006 Humboldt Carlotta, by old Strong's District School House, 5 miles east of town. 60 Comment
  SEINET10510269  Agrostis microphylla A. Arthur Heller 1923-7-8 Heller 13772 Humboldt Plentiful in a depression in a field in clay soil at Fortuna. Comment
  CAS-BOT-BC139127  Agrostis oregonensis Joseph P. Tracy 1927-8-22 8344 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  HSC8805  Agrostis oregonensis R. L. Jarvis 1962-2-9 3 Humboldt Big Lagoon marsh, S of Hwy 101. Comment
  SEINET3916494  Agrostis oregonensis W. J. Ferlatte, B. D. Rogers 1966-8-15 3124 Humboldt 6 miles east of Korbel.; 0 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
  HSC39756  Aira caryophyllea Peter Sorensen 1976-6-12 Humboldt Woodley Island Comment
  CAS-BOT-BC138326  Aira caryophyllea var. caryophyllea H. E. Parks; S. T. Parks 1936-6-1 5850 Humboldt Spruce Cove, Trinidad. Comment
  CAS-BOT-BC138329  Aira caryophyllea var. caryophyllea Doris K. Kildale 1925-6-14 680 Humboldt Head of South Yager Creek. 914 Comment
  CAS-BOT-BC138331  Aira caryophyllea var. caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Northern Coast Region. Big Lagoon. 6 Comment
  UC1103305  Aira praecox Joseph P. Tracy 1935-6-8 13942 Humboldt Santa Clara Tract Northern Coast Ranges, Eureka 0 Comment
  UC526679  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Eureka Northern Coast Ranges 0 Comment
  UCR199659  Aira praecox R. F. Thorne, Percy C. Everett 1965-8-9 35308 Humboldt Northwestern; Outer North Coastal region, Big Lagoon 3 Comment
  UC1198194  Allium amplectens Joseph P. Tracy 1930-6-21 8777 Humboldt Larrabee Valley 731 Comment
  UC3112 Image available Allium bolanderi Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge; ; Humboldt Co. Comment
  UC275545  Allium bolanderi Joseph P. Tracy 1923-6-26 6377 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks, Koby's Ranch); Northern Coast Ranges, Brannan Mountain, Koby's Ranch 762 Comment
  UC666932  Allium falcifolium Joseph P. Tracy 1933-7-11 12658 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC469016  Allium falcifolium Thomas W. Nelson; James L. Nelson 1980-6-10 5400 Humboldt Blocksburg Quad.; Along Swayback Ridge 4-wheel drive road 1.25 miles south of junction with Forest Service road. Comment
  CAS-BOT-BC469019  Allium falcifolium Doris K. Kildale 1926-6-9 2150 Humboldt Horse Mountain 1219 Comment
  CHSC33162  Allium hoffmanii Marc Baker 1980-7-11 2799 Humboldt Near Red Mountain. 226 mm from the left and 235 mm from the bottom on the quad map. 225 Comment
  CDA18808  Allium triquetrum P. Haggard 2000-2-22 PDR 018177 Humboldt Glen St., Eureka. 0 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
  CAS-BOT-BC169530  Alnus rubra Doris K. Kildale 1926-3-20 1540 Humboldt Big Lagoon Comment
  HSC99634  Alnus rubra Will Ferrand 2002-4-27 28 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  UC503095  Alnus rubra Joseph P. Tracy 1930-11-16 9255 Humboldt Alton North Coast Ranges, Van Duzen River (along river) 30 Comment
  HSC58073  Alnus viridis subsp. sinuata G. L. Clifton, Griswold 1979-8-1 11965 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC73642  Alnus viridis subsp. sinuata M. A. Baker 1980-7-23 3193 Humboldt Near Orleans Mtn. 1859 Comment
  UC1152033  Alopecurus geniculatus Joseph P. Tracy 1951-6-21 19524 Humboldt back of Everett Beck house (formerly Geroge Fray), bed of former Goose Lake Hydesville Comment
  HSC8897  Alopecurus pratensis W. F. Cartwright 1965-4-22 60 Humboldt 2 mi. W of Arcata on Arcata bottoms Comment
  UC677555  Alopecurus saccatus A. A. Beetle with Stebbins and Tracy May 1942 3464 Humboldt 1 mi. e. Alton Comment
  UC673032  Amaranthus albus Joseph P. Tracy 1940-10-15 16756 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC28482  Ambrosia chamissonis J. D. Ackerman 1973-8-23 118 Humboldt Mad River Beach Co. Park Comment
  HSC35864  Ambrosia chamissonis Thomas W. Nelson, James Nelson 1975-8-5 2130 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  BLMAR626  Amelanchier alnifolia var. semiintegrifolia Jennifer Wheeler 2011-6-15 626 Humboldt Lacks Creek, Pine Ridge Road 914 Comment
  HSC24391  Amelanchier pallida J. O. Sawyer 1970-6-24 2218 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC56126  Amelanchier pallida G. L. Clifton, Griswold 1979-8-1 11917 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  CAS-BOT-BC137864  Ammophila arenaria Alice Eastwood 1923-8-14 12302 Humboldt Samoa. Comment
  RSA0090986  Amsinckia intermedia H. E. Parks, J. Tracy 1930-5-25 881 Humboldt Near Bridgeville. Comment
  UCR48597  Anaphalis margaritacea R. D. Goeden, Don W. Ricker 1987-9-2 7 A Humboldt Loleta, along Cannibal Road 8 Comment
  CAS-BOT-BC45142  Anaphalis margaritacea Annie M. Alexander; Louise Kellogg 1948-9-3 5572 Humboldt Trinity and Klamath Rivers Comment
  HSC95077  Anaphalis margaritacea Andrea Pickart 2002-7-3 163 Humboldt S side Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 24 Comment
  POM288758  Anaphalis margaritacea Lyman Benson 1929-7-12 1747 Humboldt Weott Ranger Station; S Fork Eel River. Comment
  SEINET11855265  Anaphalis margaritacea J. P. Tracy 1950-1 19363 Humboldt On foothills of Cape Ridge, .5 mi S of town, along coast road, 1 mile inland from Cape Mendocino 61 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
  UC13934  Anemone deltoidea W. C. Blasdale 1896-6-1 Humboldt in redwoods Freshwater Comment
Read comments
Sep 17 2012
  SJSU874  Anemone deltoidea A. C. Browne Sr. 1945-5-23 Humboldt Myers Flat Comment
  UC1196191  Anemone oregana Joseph P. Tracy 1932-7-16 10628 Humboldt near Corral Prairie (Trinity Summit); Klamath Mtns, Trinity Summit 1524 Comment
  HSC64348  Anemone oregana var. oregana J. P. Smith, J. O. Sawyer 1973-5-12 6694 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  CAS-BOT-BC221419  Angelica hendersonii Carl B. Wolf 1937-9-9 9304 Humboldt Coast, 2 mi. So. of Cape Mendocino 6 Comment
  CAS-BOT-BC221416  Angelica hendersonii A. A. Heller 1924-7-23 s.n. Humboldt At Humboldt County camp on the redwood highway 7 miles south of Trinidad Comment
  UCD127226  Angelica hendersonii Joseph DiTomaso 1980-6-29 1634 Humboldt north side of Elkshead. 2 miles north of Trinidad. Comment
  UC153950  Angelica lucida Joseph P. Tracy 1910-6-5 3153 Humboldt Region about Humboldt Bay (near Samoa, Northern Coast Region); Northern Coast Region 0 Comment
  HSC5981  Anisocarpus madioides Frances Oldridge 1945-1 Humboldt Kneeland 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-BC77290  Antennaria microphylla Joseph P. Tracy 1935-7-24 14169 Humboldt Trinity Summit, near ranger station 1828 Comment
  HSC44340  Antennaria suffrutescens Brad Klipfel 1975-6-17 682 Humboldt Horse Mtn. Comment
  RSA167203  Antennaria suffrutescens Joseph P. Tracy 1947-7-9 17864 Humboldt Horse Mountain 1432 Comment
  SEINET11853677  Antennaria suffrutescens J. P. Tracy 1947-1 17864 Humboldt Horse Mountain 1433 Comment
  HSC34811  Anthoxanthum odoratum Dryden 1975-4-21 128 Humboldt Arcata 0 Comment
  UC905596  Anthoxanthum odoratum David D. Keck 1948-7-2 6010 Humboldt 1.5 mi. E. of Freshwater (Garfield), on Kneeland road Comment
  HSC100657  Antirrhinum breweri Carl C. Marshall Jun 1887 490 Humboldt Harris's Ranch. Comment
  UC154207  Aphanes occidentalis J. P. Tracy 1909-5-2 2961 Humboldt Immediate vicinity Eureka 0 Comment
  UC1400213  Apium graveolens Gary S. Lester 1973-12-2 60 Humboldt in the city of Arcata Arcata Comment
  CAS-BOT-BC392164  Aquilegia formosa Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  SEINET12104677  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  SEINET12104678  Aquilegia formosa E. A. York 1990-1-10 2663 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC55329  Aquilegia formosa var. truncata Griswold, Butler 1979-7-12 7169 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC56100  Aquilegia formosa var. truncata G. L. Clifton 1979-7-31 11823 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC100612  Aquilegia truncata Carl C. Marshall Jun 1886 121 Humboldt Everywhere, Humboldt Bay. Comment
  UC1222662  Arabis glabra Joseph P. Tracy 1950-8-4 19261 Humboldt Grasshopper Peak Lookout, in Bull Creek State Park at the head of Canoe Creek Bull Creek State Park, Canoe Creek Comment
  HSC57407  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-26 10162 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  RSA96051  Aralia californica E. K. Balls 1954-8-5 19754 Humboldt Grown in Botanic Garden, Prop. No. 5123, origin of material being plants coll. by C. B. Wolf, March 2, 1941, North Coast Range, Bull Creek to Petrolia Rd., 12 mi. w. of Redwood Hwy Comment
  CAS-BOT-BC128696  Arbutus menziesii Doris K. Kildale 1928-5-19 5224 Humboldt Chalk Mountain Comment
  CAS-BOT-BC128699  Arbutus menziesii Doris K. Kildale 1927-4-17 3091 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  CHSC107101  Arbutus menziesii M. Mitchell 2010-4-9 4 Humboldt Willow Creek @ Highway 299 East. 207 Comment
  HSC100473  Arbutus menziesii Carl C. Marshall Jun 1887 430 Humboldt Throughout Humboldt County. Comment
  UC180210  Arctium minus Joseph P. Tracy 1914-10-4 4631 Humboldt Table Bluff Northern Coast, Humboldt Bay 0 Comment
  UC585947  Arctostaphylos Joseph P. Tracy 1934-3-11 13154 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC25210  Arctostaphylos canescens subsp. canescens J. P. Tracy 1941-4-8 16850 Humboldt Willow Creek Canyon, along Trinity Highway Comment
  CAS-BOT-BC25253  Arctostaphylos canescens subsp. canescens D. Norris 1970-5-20 12181 Humboldt Crest of ridge on Big Hill Rd. E of Hoopa. Comment
  CAS-BOT-BC23907  Arctostaphylos canescens subsp. sonomensis Joseph P. Tracy 1947-7-9 17861 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC23751  Arctostaphylos columbiana Joseph P. Tracy 1934-7-2 13293 Humboldt Vicinity of Trinidad 60 Comment
  CAS-BOT-BC23767  Arctostaphylos columbiana Joseph P. Tracy 1927-8-14 8331 Humboldt Big Lagoon 152 Comment
  CAS-BOT-BC23775  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23781  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. On ridge 1 mile S. of road. 1219 Comment
  CHSC39441  Arctostaphylos columbiana B. A. Stein 1981-11-1 568 Humboldt US Hwy 101, 2 miles north of Patrick Point. 60 Comment
  JEPS24943  Arctostaphylos columbiana J. E. Adams 1935-5-12 1045 Humboldt Patrick's Point Comment
  RSA134585  Arctostaphylos columbiana P. C. Everett, E. K. Balls, George B. Everett 1959-10-26 23975 Humboldt 4 mi. se from Honeydew along Old Coast Road to Ettersburg. 457 Comment
  RSA622691  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27671 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622693  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27670 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622696  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27680 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC585919  Arctostaphylos columbiana Joseph P. Tracy 1936-8-2 15074 Humboldt French Camp Ridge 1066 Comment
  UC924266  Arctostaphylos columbiana H. S. Reed 1941-7-27 Humboldt coastal bluffs Orick Comment
  UCD50690  Arctostaphylos columbiana W. L. Jepson 1921-8-11 9410 Humboldt Big Lagoon. 15 Comment
  UCD50760  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1168 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  RSA293169  Arctostaphylos columbiana var. columbiana Thomas W. Nelson, James Nelson, A. Nelson 1976-3-11 2267 Humboldt Beside old highway 101 along north side of Table Bluff. Comment
  UCD50873  Arctostaphylos glandulosa Roman Gankin 1965-8-5 545 Humboldt 6.5 miles west on Kings Mountain Road, Pacific Range Wilderness Area. Comment
  RSA600893  Arctostaphylos glandulosa subsp. glandulosa L. C. Wheeler 1959-8-1 7621 Humboldt Queens Peak Mine. Comment
  UC1193022  Arctostaphylos glandulosa subsp. glandulosa R. H. Neuns 1950-10-9 135 Humboldt 3 mi w Thorne; Quad 28D4 670 Comment
  RSA632789  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27764 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  HSC48987  Arctostaphylos manzanita M. A. Baker 1979-5-25 761 Humboldt Comment
  NY42918  Arctostaphylos manzanita subsp. elegans J. B. Walker 1995-4-26 1389 Humboldt Six Rivers National Forest, Hwy 36, 2km W of Cobbs 800 Comment
  RSA0049659  Arctostaphylos manzanita subsp. glaucescens Dean Wm. Taylor 2011-5-4 21119 Humboldt Larabee Valley, along Highway 36 about 1 mile east of the eastern end of the valley at the bridge for the Little Van Duzen River 701 Comment
  CAS-BOT-BC24374  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1926-9-5 2614 Humboldt Lasseck's Peaks - near trail to Red Peak. 1661 Comment
  JEPS38938  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1933-4-2 10949 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC48822  Arctostaphylos nevadensis Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 33 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  JEPS38948  Arctostaphylos nevadensis Joseph P. Tracy 1934-3-11 13155 Humboldt French Camp Ridge 1066 Comment
  UC1198669  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16407 Humboldt Horse Mountain 1402 Comment
  CAS-BOT-BC46794  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17505 Humboldt Eureka 45 Comment
  UCD52032  Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt Near Samoa, on Humboldt Bay. Comment
  RSA1903  Arctostaphylos uva-ursi var. coactilis C. B. Wolf 1930-10-28 1035 Humboldt Samoa. 15 Comment
  UC902046  Arctostaphylos viscida subsp. viscida Joseph P. Tracy 1949-8-4 18419 Humboldt Mud Springs Trinity Summit 1341 Comment
  CAS-BOT-BC526231  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt Larry Pries dairy, 3.4 mi W of Main St., on Centerville Beach Rd, Ferndale Comment
  SEINET3918774  Aristida adscensionis J. I. Mallory 1955-9-17 122 Humboldt North-northwest 3/8 miles of headquarters, Cottrell Ranch. Quad. 29A-2.; 0 747 Comment
  HSC8975  Aristida oligantha J. P. Tracy 1933-8-27 13000 Humboldt Vicinity of Garberville, Robertson's Range 122 Comment
  UCD98448  Armeria maritima subsp. californica Linda M. Barker 1976-6-1 1553 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC64262  Arnica cordifolia J. O. Sawyer, M. A. Erickson 1979-6-23 3397 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  CAS-BOT-BC82431  Arnica discoidea Doris K. Kildale 1927-7-3 3641 Humboldt Willow Creek Flat 152 Comment
  HSC97987  Arnica discoidea Cara Witte 2007-7-8 430 Humboldt Board Camp Mountain. Pack trail 4E26. 1463 Comment
  UC582489  Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt near Corral Prairie ((Trinity Summit)); Trinity Summit 1524 Comment
  RSA167206  Arnica latifolia Joseph P. Tracy 1942-6-23 17236 Humboldt Near Box Camp 1463 Comment
  RSA46799  Arnica latifolia Doris K. Kildale 1926-4-25 1808 Humboldt Sugar Bowl Mt. near Hoopa Comment
  HSC102702  Arrhenatherum elatius J. P. Smith 2013-6-16 13730 Humboldt Along State Route 36, adjacent to the Dinsmore Airport. 735 Comment
  SBBG62497  Artemisia douglasiana H. E. Parks -May-1940 24178 Humboldt Little River Comment
  UC1222998  Artemisia douglasiana Joseph P. Tracy 1947-8-24 17892 Humboldt Meadow at Box Camp; Trinity Summit 1463 Comment
  POM264517  Artemisia pycnocephala H. E. Parks 1941-08 24186 Humboldt Little River State Park Comment
  RSA109296  Artemisia pycnocephala H. E. Parks, S. T. Parks 1952-06 24495 Humboldt Ocean sand dunes, Samoa Comment
  SD56775  Artemisia suksdorfii Darley F. Howe 1963-7-8 3620 Humboldt 2.5 miles west of Bridgeville on Cal. 36. 149 Comment
  CAS-BOT-BC400538  Asarum caudatum Alice Eastwood; John Thomas Howell 1937-6-23 4775 Humboldt Near Dinsmore's Comment
  HSC44110  Asarum caudatum Barbara Kelly 1977-4-23 307 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  HSC57145  Asarum caudatum Overton, Butler 1979-7-26 9936 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC62839  Asarum caudatum J. M. DiTomaso 1979-4-8 854 Humboldt Behind Humboldt State University campus, Arcata Comment
  HSC69621  Asarum caudatum R. Kalal 1979-5-5 70 Humboldt Fickle Hill Rd., 1 mi. E of 11th St., Arcata 189 Comment
  UCD15240  Asarum caudatum Glen Greenleaf 1974-4-10 13 Humboldt along highway 36, 10.8 miles east of Hydesville on south side of road. 140 Comment
  HSC100704  Asarum hartwegii Carl C. Marshall Apr 1887 389 Humboldt Hoopa Valley, rear of Captain's quarters. Comment
  HSC59465  Asclepias cordifolia M. A. Ericksen 1979-5-15 291 Humboldt Center of Tish-Tang Campground Comment
  CAS-BOT-BC65945  Aspidotis densa Doris K. Kildale 1926-1-4 1489 Humboldt Kneeland Prairie summit 853 Comment
  SEINET200793 Image available Aspidotis densa J. P. Tracy 1942-6-23 17265 Humboldt Water Dog Lake; Trinity Summit 1830 Comment
  UCD137283  Aspidotis densa Frederic Hrusa 1993-6-17 11223 Humboldt Red mountain, at entrance gate to Red Mt. 900 Comment
  HSC92746  Astragalus agnicidus Robin Bencie 1993-6-15 1 Humboldt Miranda, 2 mi. W of Hwy. 101 on Bear Butte Rd. 500 Comment
  HSC95155  Astragalus agnicidus Gordon Leppig 2003-7-10 2004 Humboldt Pacific Lumber Co. land, common along logging road and landing 700 Comment
  UC1197707  Astragalus agnicidus Henry Tosten 1931-6-7 Humboldt 4 mi s Miranda (near Bear Buttes, on Tosten and Pierce Ranch); ; Tosten & Pierce Ranch, near Bear Buttes, S of Miranda, Humboldt Co. 762 Comment
  CAS-BOT-BC186562  Astragalus nuttallii var. virgatus F. H. Utech 1986-5-23 86 -385 Humboldt King Mountain Range: 0.5 mi NNW on Kings Peak Road (Humboldt Co. hwy C4A) from junction with Shelter Cove Road 600 Comment
  CAS-BOT-BC193132  Astragalus rattanii var. rattanii Volney Rattan 1884-1-1 s.n. Humboldt Headwaters Eel River Comment
  RSA135343  Astragalus rattanii var. rattanii Volney Rattan 1884-1 s.n. Humboldt Big Creek. Comment
  HSC100358  Astragalus umbraticus J. McRae 1996-7-25 Humboldt Orleans Ranger District, off F.S. Rd. 11N16-C at mile post 1. 707 Comment
  UC1222420  Astragalus umbraticus Joseph P. Tracy 1940-8-25 16706 Humboldt at Lake Prairie , at Lake Prairie (Bald Mountain) 1066 Comment
  HSC76274  Asyneuma prenanthoides Denis Kearns 1981-7-23 370 Humboldt Near Whiteys Peak 732 Comment
  OBI1144  Athyrium filix-femina Robert J. Rodin 1941-8-2 Humboldt Under redwood trees in shady places near Pepperwood Comment
  HSC30350  Athyrium filix-femina var. cyclosorum Dale R. Gradek 1974-5-28 90 Humboldt 0.25 mi. E of Hwy. 101 on Jolly Giant Creek 61 Comment
  HSC55210  Athyrium filix-femina var. cyclosorum Walter Overton 1979-8-1 12341 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC503067  Athyrium filix-femina var. cyclosorum H. E. Parks and Joseph P. Tracy 1930-9-13 9180 Humboldt Jacoby Creek; Northern Coast Ranges 121 Comment
  UC922659  Athyrium filix-femina var. cyclosorum Annie M. Alexander and Louise Kellogg 1948-9-3 5573 Humboldt near Hoopa Reservation (above Trinity River Rd) Comment
  UC1198294  Athysanus pusillus Joseph P. Tracy 1908-6 2939 Humboldt nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1219 Comment
  UCD56463  Avena sativa Joseph P. Tracy 1951-5-26 19511 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC66223  Azolla filiculoides Malcom A. Nobs; S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach Comment
  JEPS21274  Baccharis glutinosa Joseph P. Tracy 1938-8-21 16128 Humboldt Little River 9 Comment
  CDA30197  Baccharis pilularis M. K. Beyers, I. Shepardson 2009-9-13 258 Humboldt Off the eastern side of State Route 254 (Avenue of the Giants), along the Eel river, on and along a steep-cut bank that has been cemented over here, probably to prevent erosion. 0 Comment
  POM126120  Baccharis pilularis Joseph P. Tracy 1923-10-6 6565 Humboldt Eureka Comment
  HSC39984  Baccharis pilularis subsp. consanguinea Linda M. Barker 1976-9-3 1691 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  SEINET3132551  Baccharis pilularis subsp. consanguinea J. W. Johnson 1961-11-20 1409 Humboldt Arcata; at the edge of the vernal pond community; hollow 10, W.M. Lanphere farm; Samoa Peninsula. Comment
  CAS-BOT-BC99989  Balsamorhiza deltoidea Harold E. Parks; Joseph P. Tracy 1935-6-16 11282 Humboldt Buck Mt. Lower NW slopes 792 Comment
  UC275466  Balsamorhiza deltoidea Joseph P. Tracy 1925-5-17 6984 Humboldt near South Fork of Trinity River Valley; Trinity River Valley 182 Comment
  UC582639  Balsamorhiza deltoidea Joseph P. Tracy 1932-6-14 10143 Humboldt west of mouth of South Fork of Trinity River South Fork of Trinity River 609 Comment
  HSC32147  Barbarea orthoceras D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5611 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC58642  Barbarea orthoceras G. L. Clifton, Terry Griswold 1979-7-31 11639 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC29726  Bellardia trixago J. D. Ackerman, A. M. Montalvo 1973-5-6 74 Humboldt Avenue of the Giants, Redcrest Comment
  CAS-BOT-BC106353  Bellis perennis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC5191  Bellis perennis W. K. Parks Jun 1932 1187 Humboldt Trinidad Comment
  HSC91924  Bellis perennis E. Mackey 1987-1-17 Humboldt Patricks Point State Park, near Wedding Rock. Comment
  UC1199304  Bellis perennis Joseph P. Tracy 1924-3-9 6617 Humboldt Kneeland Prairie, near Lawrence Creek Northern Coast Ranges 762 Comment
  HSC32388  Bellis perennis Linda M. Barker 1974-5-11 180 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  HSC5187  Bellis perennis J. R. Kahl 1962-3-10 3 Humboldt 2 mi. S of Trinidad along old Hwy.101 Comment
  HSC5192  Bellis perennis D. E. Anderson 1961-8-11 1729 Humboldt East of Humboldt State College campus Comment
  CAS-BOT-BC48159  Bensoniella oregona R. Bacigalupi; L. Constance; Reid Moran; R. L. Rodriguez; Joe Tracy; Sherwin Carlquist 1951-6-14 3410 Humboldt Bald Mountain ridge - in bog, edge of forest at High Prairie, on long high ridge between Mad River and Redwood Creek 1066 Comment
  HSC53890  Bensoniella oregona Griswold, Butler 1979-7-11 6384 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC75815  Bensoniella oregona Bill Copeland 1980-7-2 314 Humboldt Near Snow Camp Mtn. 1311 Comment
  UC1046538  Bensoniella oregona R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3416 Humboldt Snow Camp Bald Mountain Ridge (ridge between Mad River and Redwood Creek, Bald Mountain Ridge); Bald Mountain ridge, btw Mad River and Redwood Creek 1432 Comment
  HSC3343  Berberis aquifolium D. E. Anderson 1964-4-24 3544 Humboldt .5 mi. from Hwy. 299, along Titlow Hill Rd. Comment
  HSC40989  Berberis aquifolium Thomas W. Nelson 1976-6-14 2704 Humboldt Along ridge S of E peak of Lassic Peak 1646 Comment
  HSC35612  Berberis nervosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2024 Humboldt Just E of Redwood National Park along Bald Hills Rd. Comment
  HSC92017  Berberis nervosa E. Mackey 1986-10-24 Humboldt Patrick's Point State Park Comment
  JEPS47776  Berberis nervosa Milo S. Baker 1923-7-31 187 Humboldt Lawrence Creek Comment
  CAS-BOT-BC75810  Berberis pinnata Harley P. Chandler 1901-6-1 1277 Humboldt North Coast Ranges. Hupa Indian Reservation. 1097 Comment
  HSC36904  Berberis pinnata J. P. Smith, J. Sawyer, J. Cole 1976-4-18 8613 Humboldt Bald Hills Rd., 17 mi. E of its jct. with Hwy. 101 854 Comment
  RSA24183  Berberis pinnata C. B. Wolf 1941-3-1 9974 Humboldt Kneeland Prairie, 1/8 mi. s.e. of Kneeland school. 762 Comment
  UC492238  Boechera platysperma Joseph P. Tracy 1932-7-12 10458 Humboldt Head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  HSC103082  Boechera sparsiflora Sydney Carothers 2014-7-3 21 Humboldt Six Rivers National Forest, summit of Mt. Lassic 1791 Comment
  UC552303  Boechera subpinnatifida Joseph P. Tracy 1933-7-25 12878 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  POM256471  Boisduvalia glabella Joseph P. Tracy 1938-7-5 16010 Humboldt Carlotta, open flat by old Strong s District School House, 5 miles east of town. 46 Comment
  HSC74350  Boschniakia strobilacea Gail Newton 1980-6-17 221 Humboldt Near Onion Mtn. 1341 Comment
  HSC27017  Boykinia occidentalis Brad Klipfel 1973-8-17 270 Humboldt Big Lagoon Park Comment
  HSC39223  Boykinia occidentalis D. E. Anderson, J. P. Smith 1971-7-6 - 1320 Humboldt Rock wall near bridge over Supply Creek Comment
  UC581795  Brickellia californica Joseph P. Tracy 1931-10-18 9736 Humboldt Camp Grant, along Eel River, 2-5 mi e of the South Fork Eel River 45 Comment
  CDA1775  Briza maxima T. C. Fuller 1966-5-24 14710 Humboldt 2 miles north of Trinidad. 0 Comment
  HSC9086  Briza maxima R. D. Modafferi 1965-5-13 70 Humboldt Intersection of Main St. and old Hwy. 101, S of Trinidad Comment
  UCD57276  Briza maxima Joseph P. Tracy 1950-5-30 18711 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  HSC79436  Briza minor Kenneth Clark 1980-6-14 664 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 30 Comment
  HSC56466  Brodiaea elegans subsp. elegans Griswold, Butler 1979-7-12 7273 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  CAS-BOT-BC486507  Brodiaea stellaris W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula Comment
  HSC3017  Brodiaea terrestris subsp. terrestris D. E. Anderson 1963-5-25 2493 Humboldt 4 mi. W of Petrolia Comment
  CAS-BOT-BC484612  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1936-5-30 14837 Humboldt In firm grassy flats, edge of sand dunes. Near Samoa, on Humboldt Bay 6 Comment
  CAS-BOT-BC149451  Bromus briziformis Henry M. Pollard 1948-7-19 s.n. Humboldt River road near Van Fleet Ranch, near Orleans. Comment
  UC212859  Bromus carinatus var. carinatus Joseph P. Tracy 1920-5-31 5333 Humboldt Northern Coast Region, Carlotta, along Yager Creek Carlotta; Northern Coast Region, , Yager Creek 30 Comment
  UC552687  Bromus carinatus var. carinatus Joseph P. Tracy 1935-6-23 13982 Humboldt Northern Coast Ranges, French Camp Ridge French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  CAS-BOT-BC149160  Bromus carinatus var. marginatus Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mountain. 1524 Comment
  UCD59215  Bromus carinatus var. marginatus R. Tofsrud 1948-9-1 s.n. Humboldt Road between Horse Mt. and Grouse Mt. 1371 Comment
  UCD58449  Bromus commutatus Joseph P. Tracy 1942-6-15 17130 Humboldt Englewood. 91 Comment
  HSC35281  Bromus diandrus J. D. Ackerman, A. M. Montalvo 1975-6-22 491 Humboldt 6.4 mi. W of Dinsmore along Hwy. 36 Comment
  HSC9295  Bromus diandrus R. H. Berg 1963-5-12 72 Humboldt King Salmon, S of Eureka. Comment
  UC1103348  Bromus diandrus Joseph P. Tracy 1942-5-23 17087 Humboldt at Eureka Eureka 30 Comment
  RSA152297  Bromus marginatus Joseph P. Tracy 1950-6-15 18786 Humboldt Mail Ridge. North of Harris 7 miles. 1037 Comment
  UCD59910  Bromus tectorum var. glabratus A. H. Murphy 1951-6-1 52 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap. Comment
  RSA484551  Cakile edentula M. B. Dunkle 1936-8-18 4823 Humboldt Moonstone Beach. Comment
  UCR37862  Cakile edentula subsp. edentula D. Gordon 1982-9-23 s.n. Humboldt Northern Coast, Lanphere-Christensen Dunes Preserve, 3 mi west of Arcata Comment
  HSC40408  Cakile maritima Linda M. Barker 1976-6-22 1627 Humboldt 3 mi. W of Arcata Comment
  HSC39983  Cakile maritima Linda M. Barker 1976-9-3 1694 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  SEINET10481270  Cakile maritima Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-8-6 Dziekanowski 2502 Humboldt Collected in the vicinity of a state park on the beach opposite of mckinleyville. Vast colony of yellow lupinus arboreus. Comment
  HSC44185  Calamagrostis koelerioides Thomas W. Nelson, Jane P. Nelson 1977-9-3 3736 Humboldt Ridge NW of the pond above Alder Spring 1555 Comment
  UC552720  Calamagrostis koelerioides Joseph P. Tracy 1935-7-30 14355 Humboldt Salmon Summit 1767 Comment
  CAS-BOT-BC185179  Calamagrostis nutkaensis Joseph P. Tracy 1925-7-5 7174 Humboldt Northern Coast Ranges. Bald Mountain. Near High Prairie. 1066 Comment
  UCD57524  Calamagrostis nutkaensis Elizabeth Wilson 1940-7-12 s.n. Humboldt north of Eureka. Comment
  HSC99537  Calocedrus decurrens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 202 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1197698  Calochortus amabilis Mrs. Eri Eaton 1911-5-27 Humboldt near South Fork of Eel River; Phillipsville 304 Comment
  HSC97482  Calochortus tolmiei Cara Witte 2007-5-8 11 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1397 Comment
  UC1197690  Calochortus vestae Joseph P. Tracy 1918-6-16 4953 Humboldt Eureka Northern Coast Ranges Comment
  UC1196205  Caltha biflora Joseph P. Tracy 1932-7-16 10638 Humboldt At Corral Prairie, Trinity Summit; Klamath Mountains. 1524 Comment
  HSC103109  Caltha leptosepala M. Mesler 2010-7-15 832 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 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
  CAS-BOT-BC273316  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River 304 Comment
  CAS-BOT-BC273319  Calycadenia fremontii H. M. Hall 1930-10-1 12922 Humboldt Trinity River at Willow Creek Comment
  BLMAR74  Calypso bulbosa Jennifer Anthony-Wheeler 1994-6-2 74 Humboldt IAQUA 1036 Comment
  HSC16572  Calypso bulbosa Norman H. Moe 1962-4-26 Humboldt Lanphere's Place Comment
  UC1196471  Calypso bulbosa J. P. Tracy 1901-4-26 1041 Humboldt immediate vicinity of Eureka (Humboldt Hill); Humboldt Hill 0 Comment
  HSC32932  Calyptridium monospermum Thomas W. Nelson 1973-5-30 973 Humboldt Humboldt/Trinity Co. line, Mt. Lassic 1790 Comment
  HSC55149  Calyptridium monospermum G. L. Clifton, Terry Griswold 1979-8-1 12075 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  SBBG5774  Calystegia occidentalis subsp. occidentalis H. and M. Dearing 1939-5-24 Humboldt Pass Rd, Dyerville to Mattole Comment
  HSC6364  Calystegia soldanella J. W. Johnson 1961-8-17 1021 Humboldt W.M. Lanphere Farm, Samoa Peninsula Comment
  HSC18855  Calystegia soldanella P. F. Yull 1966-5-5 144 Humboldt 1 mi. S of Fairhaven Comment
  HSC45064  Camissonia ovata R. Sutherland 1978-3-30 2 .30378 Humboldt Mckee Flat 293 Comment
  JEPS31757  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1923-8-4 183 Humboldt about 2 mi n Big Lagoon (on sand bar); Stone Lagoon Comment
  UC144060  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. P. Tracy 1909-7-18 3017 Humboldt opp. Eureka (sand hills of ocean beach); Samoa Comment
  SEINET10463252  Campanula prenanthoides Tucker 1948-9-3 TUCKER 1859 Humboldt Road bank, Friday Ridge Road, just below Black Rock (junction of Friday Ridge Road and the Horse Mountain-Grouse Mountain road) Comment
  SEINET10463344  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt HOOPA VALLEY Comment
  UC1222657  Capsella bursa-pastoris Joseph P. Tracy 1950-7-6 19005 Humboldt 2 mi s of Burr Valley (on the Albee Road); Albee Road 1158 Comment
  CAS-BOT-BC37020  Capsella bursa-pastoris Doris K. Kildale 1926-8-29 2591 Humboldt Van Duzen River, near Strongs Station. Comment
  UC1199206  Cardamine breweri J. P. Tracy 1901-3-31 997 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC37251  Cardamine breweri Joseph P. Tracy 1906-4-29 2432 Humboldt Northern Coast Region. Region about Humboldt Bay. South slope of Humboldt Hill. 152 Comment
  CAS-BOT-BC37429  Cardamine californica Parks; Tracy 1931-3-26 0916 Humboldt Lower Van Duzen River. 60 Comment
  HSC23626  Cardamine californica J. O. Sawyer 1971-6-14 2376 Humboldt Above E fork of Horse Linto Creek 1494 Comment
  UC160972  Cardamine californica J. P. Tracy 1911-4-2 3171 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  UC162359  Cardamine californica Joseph P. Tracy 1909-4-4 2950 Humboldt region about Humboldt Bay (Buhne's Ranch); Northern Coast Region, Humboldt Bay Region, Buhne's Ranch 0 Comment
  RSA183564  Cardamine oligosperma R. I. Bonn 1965-4-23 18 Humboldt 4 miles W of Arcata on Lanphere Rd. Comment
  UC1199203  Cardamine oligosperma Joseph P. Tracy 1918-5-1 4898 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS53295  Cardamine oligosperma Joseph P. Tracy 1918-5-5 4923 Humboldt Ocean Beach at Humboldt Bay; Northern Coast Region, , Ocean Beach Comment
  CAS-BOT-BC281807  Carduus tenuiflorus Joseph P. Tracy 1936-6-28 15008 Humboldt Hungry Hollow on Bald Mt 762 Comment
  UC1222954  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt toward Hungry Hollow Angel's Ranch; Bald Mountain, Hungry Hollow Comment
  POM296860  Carex Lyman Benson 1929-7-16 1843 Humboldt Weott Ranger Station. Comment
  HSC103599  Carex angustata Thomas W. Nelson, Jane Nelson 1987-6-11 8609 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  CHSC43008  Carex aquatilis var. dives L. P. Janeway 1987-7-30 2533 Humboldt At Dry Lagoon. 3 Comment
  CAS-BOT-BC18008  Carex arcta Joseph Prince Tracy 1934-7-13 13389 Humboldt Dow's Prairie. 60 Comment
  UC1586919  Carex arcta Juha Pykala and D. H. Norris 1987-6-5 1360 Humboldt e Maple Creek (se of Snow Camp Mountain, upper course of Redwood Creek); Redwood Creek 1100 Comment
  HSC104333  Carex arcta James Regan, Humboldt Redwood Co., LLC 2007-6-22 27 Humboldt Small pond near Fox Creek 61 Comment
  JEPS79834  Carex barbarae Joseph P. Tracy 1932-6-14 10152 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1103620  Carex barbarae Joseph P. Tracy 1935-5-19 13808 Humboldt 2 mi N of Myers (South Fork of Eel River) 91 Comment
  UC562312  Carex barbarae Joseph P. Tracy 1929-6-23 8606 Humboldt Trinity River Valley at Willow Creek 152 Comment
  CHSC84737  Carex bolanderi L. P. Janeway 2003-7-27 7929 Humboldt North Coast. On ridge between Stone Lagoon, Dry Lagoon and the beach (Sharp Point). Along trail. 823 Comment
  HSC75485  Carex bolanderi J. O. Sawyer 1980-7-18 3604 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CHSC97052  Carex buxbaumii Gordon Leppig 1999-7-9 1183 Humboldt Big Lagoon County Park. Big Lagoon Bog. Common in northern section. NAD27 UTM Zone 10, 405321E 4557202N. 3 Comment
  POM161061  Carex concinnoides Joseph P. Tracy 1926-6-6 7567 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  CHSC35530  Carex densa Thomas Nelson; Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore. 762 Comment
  HSC38078  Carex densa Thomas W. Nelson, James Nelson 1976-5-30 2629 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC302098  Carex deweyana subsp. leptopoda Joseph P. Tracy 1912-7-25 3815 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS79853  Carex echinata subsp. echinata Joseph P. Tracy 1933-7-25 12845 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  CDA33060  Carex echinata subsp. phyllomanica Gordon Leppig 1997-6-19 445 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  HSC7163  Carex echinata subsp. phyllomanica Walker 1960-8-16 Humboldt 7 mi., K & K Comment
  HSC96492  Carex echinata subsp. phyllomanica Gordon Leppig 1998-6-8 798 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  CAS-BOT-BC19966  Carex exsiccata Joseph Prince Tracy 1934-8-14 13574 Humboldt North Coast Ranges. Alton; Along Van Duzen River. 30 Comment
  CAS-BOT-BC20014  Carex feta Joseph Prince Tracy 1928-6-17 8451 Humboldt Trinity RIver Valley, at Willow Creek. 152 Comment
  SEINET7708306 Image available Carex feta J. P. Tracy 1950-7-6 19010 Humboldt Albee Road; Buck Mountain, 3 mi S of Burr Valley Comment
  CAS-BOT-BC20841  Carex geyeri Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  CAS-BOT-BC20872  Carex globosa Joseph Prince Tracy 1929-6-3 8605 Humboldt North Coast Ranges. Willow Creek Canyon. Mouth of East Fork. 487 Comment
  JEPS25963  Carex gynodynama Joseph P. Tracy 1927-5-8 7969 Humboldt Northern Coast Ranges. Phillipsville, facing South Fork of Eel River Comment
  JEPS79844  Carex gynodynama Joseph P. Tracy 1936-6-21 14991 Humboldt Iaqua 609 Comment
  UC562660  Carex harfordii Joseph P. Tracy 1935-7-14 14087 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  CAS-BOT-BC21754  Carex hassei Joseph Prince Tracy 1941-5-11 16868 Humboldt Big Lagoon. 152 Comment
  HSC70469  Carex hendersonii J. P. Tracy 1905-6-25 2202 Humboldt Eureka 0 Comment
  JEPS25979  Carex laeviculmis Joseph P. Tracy 1932-7-16 10635 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  JEPS79856  Carex lenticularis var. impressa Joseph P. Tracy 1935-7-23 14148 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  CAS-BOT-BC31465  Carex leptopoda Joseph Prince Tracy 1936-6-9 14902 Humboldt Mattole Valley, 4 mi SE of Petrolia. 60 Comment
  UC1103587  Carex luzulina var. luzulina Joseph P. Tracy 1933-7-16 12771 Humboldt South Fork Mountain, McKay Camp Northern Coast Ranges 1676 Comment
  SEINET12649599 Image available Carex mendocinensis Peter F. Zika 2011-1 25496 Humboldt 1310 Comment
  HSC102235  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1157 Humboldt Patterson Meadows 1555 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
  UC1152054  Carex multicaulis Joseph P. Tracy 1949-8-11 18465 Humboldt e of headwaters Redwood Creek (beginning where the electric power line crosses, going southward); Kinsey Ridge 1280 Comment
  UC2015846  Carex multicaulis Joy Mastrogiuseppe, Tom Nelson 1986-7-22 4360 Humboldt Coast Range, Buck Mountain Comment
  HSC103353  Carex nervina Thomas W. Nelson, Jane Nelson 1987-6-11 8604 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  CHSC106515  Carex nudata Peter F. Zika 2009-6-15 24490 Humboldt Outer North Coast Range (NCoRO). S bank of Mad River, near Hatchery Road, S of town of Blue Lake. 20 Comment
  SEINET3905214  Carex nudata Thomas Nelson 1977-5-30 3407 Humboldt In Mad River at Anderson's Ford north of Dinsmore on the McKeown Ranch.; 0 610 Comment
  HSC7069  Carex obnupta S. J. Hawks, D. E. Anderson 1965-5-18 14 Humboldt 1/4 mi. W of Fairhaven Comment
  CAS-BOT-BC119270  Carex ovalis Joseph Prince Tracy 1936-6-28 15014 Humboldt Bald Mt. Borders of ditch in woods near Murphy Meadow. 1066 Comment
  POM126147  Carex pachystachya Joseph P. Tracy 1923-6-17 6278 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC119223  Carex pachystachya Joseph Prince Tracy 1928-6-24 8465 Humboldt Valley of South Yager Creek. 762 Comment
  HSC45951  Carex pachystachya J. P. Smith, Steve Selva 1970-6-30 4108 Humboldt Comment
  CHSC42978  Carex pansa L. P. Janeway 1987-7-31 2537 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC49246  Carex pansa Rudolf W. Becking 1979-3-25 Humboldt U.S. Coast Guard Station along N Spit Humboldt Bay, Fairhaven Comment
  JEPS63535  Carex pellita W. L. Jepson 1932-7-27 16439 Humboldt Weott Comment
  CAS-BOT-BC118599  Carex praticola Joseph Prince Tracy 1936-5-29 14826 Humboldt Gans Prairie, on ridge E of Orick, in grassy flat. 548 Comment
  RSA314077  Carex serratodens Thomas W. Nelson, Jane P. Nelson 1978-7-2 4397 Humboldt On wet serpentine along road 2S08 near Pine Mountain. 1463 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
  CHSC102858  Carex subbracteata Peter F. Zika 2009-6-15 24494 Humboldt Outer North Coast Range. Above Route 299, 2.3 road miles W of junction with Chezen Road, between Lord-Ellis and Berry summits. 680 Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC116904  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-6-23 4808 Humboldt Little Van Duzen River Comment
  HSC44120  Carex subfusca Thomas W. Nelson, Jane P. Nelson 1976-6-15 2735 Humboldt Just W of Goat Hill along road off FS 2S08 1463 Comment
  CAS-BOT-BC116682  Carex subfusca Joseph Prince Tracy 1928-6-17 8450 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  CAS-BOT-BC115570  Carex tumulicola Alice Eastwood; John Thomas Howell 1937-6-23 4848 Humboldt Kneeland Comment
  CHSC106512  Carex tumulicola Peter F. Zika 2009-6-15 24495 Humboldt Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits, above Route 299, 2.3 road miles W of junction with Chezen Road. 680 Comment
  JEPS109269  Carex unilateralis D. W. Taylor 2004-6-24 19135 Humboldt Clear Lake, Titlow Hill Road Comment
  POM248622  Carex unilateralis Joseph P. Tracy 1937-8-7 15618 Humboldt Bald Mt. 915 Comment
  CAS-BOT-BC115286  Carex utriculata Joseph Prince Tracy 1932-7-14 10563 Humboldt Trinity Summit, Corral Prairie in wet meadow. Comment
  HSC103141  Carex utriculata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1067 Humboldt Patterson Meadows 1555 Comment
  UC562343  Carex vesicaria var. major Joseph P. Tracy 1934-7-13 13388 Humboldt Dow's Prairie 60 Comment
  UC562344  Carex vesicaria var. major Joseph P. Tracy 1934-9-15 13668 Humboldt Dow's Prairie 60 Comment
  HSC26372  Carpobrotus chilensis T. O. Osborne 1970-9-16 37 Humboldt Trinidad Bay, Prisoner Rock Comment
  UC198585  Carpobrotus chilensis Joseph P. Tracy 1916-4-9 Humboldt n of Samoa (Ocean Beach at Humboldt Bay); Northern Coast Region, Humboldt Bay Comment
  UC1196855  Castilleja Joseph P. Tracy 1929-7-4 8634 Humboldt French Camp Ridge 1066 Comment
  JEPS83  Castilleja affinis subsp. affinis Lincoln Constance 1934-3-29 715 b Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  UC582571  Castilleja ambigua subsp. ambigua H. E. Parks and Joseph P. Tracy 1928-9-8 8503 Humboldt Big Lagoon 6 Comment
  HSC55347  Castilleja applegatei Griswold, Butler 1979-7-12 7237 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 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
  JEPS26533  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  JEPS3617  Castilleja applegatei subsp. martinii Clyde Ritchie Bell 1951-4-21 Humboldt about 4 mi n Orleans (along Calif Hwy 96 (Klamath River road)) Comment
  HSC38194  Castilleja attenuata Peter Sorensen 1976-6-4 Humboldt N Spit of Humboldt Bay, S of Samoa near airport Comment
  UC1173699  Castilleja miniata Joseph P. Tracy 1939-8-20 16429 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UC1196742  Castilleja pruinosa Joseph P. Tracy 1939-4-29 16230 Humboldt opposite mouth of Hors Linto Creek; Trinity River 152 Comment
  JEPS35816  Castilleja wightii Rimo Bacigalupi, and L. R. Heckard 1964-7-27 8962 Humboldt .12 mi e and above Shelter Cove (in shaded bend of road) Comment
  HSC36640  Ceanothus cordulatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1901 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC1193335  Ceanothus cordulatus P. Zinke 1950-10-9 77 Humboldt King Peak King Peak Quad. 28D1 1280 Comment
  CAS-BOT-BC49317  Ceanothus cuneatus Doris K. Kildale 1926-8-15 2538 Humboldt Hoopa Mountain near Old Mill 579 Comment
  UC1070754  Ceanothus incanus A. E. Wieslander 1931-5-22 219 Humboldt Wilder Ridge Comment
  UCD112174  Ceanothus incanus T. I. Storer 1931-7-1 2218 Humboldt near Ferndale. Comment
  HSC96951  Ceanothus integerrimus Whitney Meier, Elizabeth Kimbrough 2007-6-11 4 Humboldt Cold Springs Camp, 14.1 mi. S of Hwy. 299 on FS Rd. NF1 Comment
  SEINET7720975  Ceanothus integerrimus Chesnut, Drew 1888-7-9 Humboldt Kneeland Comment
  CHSC70041  Ceanothus oliganthus var. sorediatus J. R. McFarland 1997-4-10 Humboldt King Range National Conservation Area. 3.7 miles north on King Range road from Shelter cove road. 601 Comment
  HSC37605  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 9 .11775 Humboldt Along county rd. 213 Comment
  RSA89807  Ceanothus parryi P. A. Munz 1954-7-26 19884 Humboldt Humboldt County:S of Richardson Grove at Humboldt Mendocino County line Comment
  SBBG4431  Ceanothus parryi M. Van Rensselaer 1941-4-29 1644 Humboldt Redwood Hwy near Garberville Comment
  CAS-BOT-BC53063  Ceanothus pumilus Clarence R. Quick 1959-7-24 59 -34 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  RSA170272  Ceanothus pumilus Joseph P. Tracy 1946-5-4 17526 Humboldt Willow Creek Canyon, along Trinity Hwy Comment
  CAS-BOT-BC52223  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-28 11089 Humboldt Summit of Trinidad Head 45 Comment
  CAS-BOT-BC52954  Ceanothus thyrsiflorus Doris K. Kildale 1927-5-14 3289 Humboldt Big Lagoon - coast terrace Comment
  CAS-BOT-BC52980  Ceanothus thyrsiflorus Doris K. Kildale 1928-5-19 5150 Humboldt Chalk Mountain Comment
  CAS-BOT-BC52984  Ceanothus thyrsiflorus L. R. Abrams; R. Bacigalupi 1922-6-25 8295 Humboldt Bluffs north of Big Lagoon Comment
  HSC69626  Ceanothus thyrsiflorus R. Kalal 1980-5-8 33 Humboldt Arcata oxidation ponds 2 Comment
  RSA46888  Ceanothus thyrsiflorus Doris K. Kildale 1926-3-20 1626 Humboldt Liscom Hill-Mad River Comment
  UC668162  Ceanothus thyrsiflorus Joseph P. Tracy 1937-5-30 15315 Humboldt Bridgeville 198 Comment
  SBBG4534  Ceanothus thyrsiflorus var. thyrsiflorus H. and M. Dearing 1933-5-17 977 Humboldt N of Big Lagoon Comment
  HSC97570  Ceanothus velutinus Cara Witte 2007-6-5 215 Humboldt Along Forest Service Road 4N32. Near Grouse Mountain 1486 Comment
  LA26771  Ceanothus velutinus S. K. Harris; 1942-6-12 1257 Humboldt Fickle Hill Rd., 5 mi. N and 2 mi. E of Boynton Prairie 630.0 Comment
  JEPS44148  Centaurea cyanus Lincoln Constance 1934-6-25 928 Humboldt on e side of road at Englewood (across the road from Collins' Englewood Campground); Bull Creek Region, South Fork Eel River Comment
  CDA39219  Centaurea maculosa Weylan Shaw 2013-8-2 PDR# 120 P06003643 Humboldt Vicinity of Blue Lake, near the Mad River. Comment
  CDA7304  Centaurea nigra Tario 1933-11-15 Humboldt Near Eureka. 0 Comment
  JEPS44138  Centaurea solstitialis Joseph P. Tracy 1933-8-27 13002 Humboldt 2 to 5 mi e of the South Fork (along the Eel River, Camp Grant); Eel River 45 Comment
  UC566944  Centaurium muehlenbergii H. L. Mason 1928-7-14 4903 Humboldt near Garberville; East Fork of Eel River Comment
  UC275461  Centromadia fitchii Joseph P. Tracy 1925-8-23 7247 Humboldt Harris Northern Coast Ranges 914 Comment
  HSC74319  Cephalanthera austiniae Gail Newton 1980-7-20 1600 Humboldt Near Bell Swamps 1463 Comment
  UC1196469  Cephalanthera austiniae Stuart Harris 1936-6-12 3300 Humboldt Chalk Mt. 609 Comment
  UC852498  Cerastium arvense Milo S. Baker 1931-5-17 5187 Humboldt along Hwy. 4.2 mi. s. Garberville Comment
  UC62197  Ceratophyllum demersum W. C. Blasdale 1896-6-3 Humboldt Blue Lake Comment
  CAS-BOT-BC179480  Cercis occidentalis Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC135532  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1927-4-10 7897 Humboldt Trinity River Valley, near the South Fork 182 Comment
  CAS-BOT-BC276488  Chaenactis douglasii var. douglasii Joseph P. Tracy 1932-7-12 10462 Humboldt Trinity Summit. Head of Brett Hole 1828 Comment
  UC582765  Chaenactis douglasii var. douglasii Joseph P. Tracy 1932-7-12 10462 Humboldt head of Brett Hole; Trinity Summit, Brett Hole 1828 Comment
  CAS-BOT-BC85651  Chamaecyparis lawsoniana Thomas Nelson 1977-10-20 3758 Humboldt Mixed evergreen forest above junction of Maple Creek and Kneeland roads. 853 Comment
  CAS-BOT-BC85655  Chamaecyparis lawsoniana Doris K. Kildale 1927-7-3 3640 Humboldt Willow Creek Flat 152 Comment
  HSC104102  Chamaecyparis lawsoniana Monica Rodriguez, William A. Worley 2015-3-21 21 Humboldt Along South Fork Rd, 8.3 mi. from 199 Redwood Hwy. Comment
  HSC99569  Chamaesyce serpillifolia subsp. serpillifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 234 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-BC166044  Chamerion angustifolium subsp. circumvagum W. R. Dudley 1899-6-1 s.n. Humboldt Arcata Comment
  JEPS31528  Chamerion angustifolium subsp. circumvagum Lincoln Constance 1934-6-18 899 Humboldt swamp border of N. Dyerville Flat South Fork Eel River, Bull Creek Region (near S. Fork R.R. Sta. and P.O.) Comment
  JEPS39308  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1927-7-3 12360 Humboldt Weott South Fork Eel River Comment
  HSC100931  Cheilanthes californica Miss Handy Jun 1886 343 Humboldt Maple Cr. Comment
  CAS-BOT-BC68264  Cheilanthes gracillima Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC55127  Cheilanthes gracillima G. L. Clifton, Terry Griswold 1979-8-1 11932 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  HSC55201  Cheilanthes gracillima Overton 1979-8-1 12308 Humboldt Near Mill Cr., close to the town of Hoopa 1402 Comment
  HSC40250  Chenopodium album Linda M. Barker 1976-6-22 1629 Humboldt 3 mi. W of Arcata Comment
  RSA44502  Chenopodium ambrosioides var. ambrosioides H. M. Pollard 1947-8-31 s.n. Humboldt Klamath River near Wilson Creek, Orleans region. Comment
  CAS-BOT-BC473032  Chenopodium macrospermum var. farinosum Edward Lee 1934-8-17 1151 Humboldt East shore of Big Lagoon, 35 miles N of Eureka 3 Comment
  HSC55035  Chimaphila menziesii Overton, Butler 1979-7-31 11486 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  SEINET3992219  Chlorogalum pomeridianum Unknown 1946-7-7 17611 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC236914  Chloropyron maritimum subsp. palustre Eva Buxton 2002-8-1 2001 Humboldt Salt marsh off King Salmon Ave. near P.G.E. Eureka Comment
  JEPS46614  Chrysolepis chrysophylla Rimo Bacigalupi Oct 1935 Humboldt Mad River; C.C.C. Camp Comment
  UC519307  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge; Northern Coast Ranges 1066 Comment
  HSC54607  Chrysolepis chrysophylla var. minor Overton, Butler 1979-7-24 9699 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC55104  Chrysolepis chrysophylla var. minor G. L. Clifton 1979-7-31 11845 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1198647  Cicendia quadrangularis Joseph P. Tracy 1930-5-18 8696 Humboldt Rohnerville Golf Course 152 Comment
  UC179916  Cicuta douglasii Joseph P. Tracy 1914-9-6 4612 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mountain 1219 Comment
  HSC98857  Circaea alpina subsp. pacifica Cara Witte 2008-7-30 974 Humboldt Forest Service Road 5N04. 1/4 mile east of intersection with Forest Service Road 4N70. 1583 Comment
  RSA66880  Circaea alpina subsp. pacifica P. A. Munz 1951-7-15 16552 Humboldt 5 miles N of Willow Creek, on Raccoon Creek 305 Comment
  SD42326  Circaea alpina subsp. pacifica Carl B. Wolf 1937-8-13 9253 Humboldt North Coast Range, 11 miles East of Hoopa Valley on the new road towards Trinity Summit 1524 Comment
  HSC5373  Cirsium arvense Paul Shields 1955-9-29 Humboldt 1/2 mi. S Fernbridge Comment
  CAS-BOT-BC284408  Cirsium arvense Carl B. Wolf 1927-8-22 810 Humboldt Along the roadside at Orick Comment
  HSC104074  Cirsium arvense T. Collins 2002-7-31 Humboldt Six Rivers National Forest; along road cut on Hwy. 36 Comment
  HSC12339  Cirsium arvense Steve Dorei 1970-10-26 114 Humboldt SE corner of Old Arcata Rd. and Freshwater Rd. Comment
  RSA439196  Cirsium arvense M. B. Dunkle 1936-8-22 4859 Humboldt Williams Grove, Eel River 213 Comment
  CAS-BOT-BC284439  Cirsium brevistylum Peter H. Raven; R. Snow 1958-7-21 13648 Humboldt Along Titlow Hill Road 0.7 miles south of United States Highway 299 Comment
  HSC98566  Cirsium cymosum var. cymosum Cara Witte 2008-7-30 981 Humboldt Horse Mountain Botanical Area. 1/4 mile east of intersection National Forest 1, and Forest Service Roads 6N36, 6N38. 1426 Comment
  BLMAR404  Cirsium douglasii var. breweri Clara Sander 2005-7-1 404 Humboldt Horse Mtn, Titlow hill road: growing along the roak banks 1066 Comment
  UCD130619  Cirsium douglasii var. douglasii Collector Unknown Date Unknown s.n. Humboldt Horse Mt. Comment
  UCD130620  Cirsium douglasii var. douglasii Collector Unknown Date Unknown s.n. Humboldt Horse Mt. Comment
  HSC35871  Cirsium occidentale var. venustum Thomas W. Nelson 1975-7-30 2122 Humboldt Beside private road to Pilot Rock Comment
  UC582532  Cirsium remotifolium var. odontolepis Joseph P. Tracy 1930-7-21 8887 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  CAS-BOT-BC160967  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
  HSC38102  Clarkia gracilis Thomas W. Nelson, James Nelson 1976-5-30 2623 Humboldt McKeown Ranch, N of Dinsmore. Comment
  POM214926  Clarkia purpurea subsp. purpurea Joseph P. Tracy 1932-6-26 10264 Humboldt North Coast Ranges: Valley of South Yager Creek 762 Comment
  UC20026  Clarkia rhomboidea Harley P. Chandler June, 1901 1339 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC41647  Clarkia rhomboidea Thomas W. Nelson, Jane P. Nelson 1977-7-1 3572 Humboldt Along road 2S08 below Goat Hill 1524 Comment
  SEINET10492532  Clarkia rhomboidea Lincoln Constance 1934-6-15 Constance 880 Humboldt Summit of Grasshopper Peak, South Fork EeL River, Bull Creek Region. 3200 feet. 975 Comment
  CHSC77466  Claytonia exigua subsp. exigua Vernon H. Oswald 2000-4-3 9912 Humboldt Near the junction of New Navy Base Rd. and the road to Fairhaven on the North Spit of Humboldt Bay. 9 Comment
  UC494113  Claytonia parviflora subsp. parviflora H. E. Parks, J. P. Tracy 1930-5-25 877 Humboldt Laribee Valley Comment
  CAS-BOT-BC440093  Claytonia perfoliata subsp. perfoliata J. H. Thomas 1949-6-13 922 Humboldt Along Klamath River, about 1 mile north of town of Orleans. Comment
  UC1368488  Claytonia rubra subsp. rubra R. K. Gierisch and D. H. Esplin 1969-7-1 3534 Humboldt Grouse Mtn.; Six Rivers Forest/Expt. Area Comment
  CAS-BOT-BC443897  Claytonia sibirica Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC48843  Claytonia sibirica Brad Klipfel 1973-7-15 199 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 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
  UC162974  Claytonia sibirica Joseph P. Tracy 1907-5-1 2557 Humboldt Eureka; Northern Coast Region 0 Comment
  UC672987  Claytonia sibirica Joseph P. Tracy 1932-7-14 10536 Humboldt Corral Prairie; Trinity Summit 1584 Comment
  CAS-BOT-BC443850  Claytonia sibirica Alice Eastwood 1943-6-10 18978 Humboldt Landsdale [Lansdale] Grove, Redwood Highway Comment
  HSC45492  Claytonia sibirica Maralyn O'Meara 1972-6-8 103 Humboldt Along Bald Hills Rd., 18 mi. from junction with Hwy. 101 Comment
  JEPS43340  Claytonia sibirica W. L. Jepson 1932-7-26 16416 Humboldt lower Bull Creek Flat 106 Comment
  SDSU9795  Claytonia sibirica D. F. Howe 1961-8-1 3114 Humboldt 12.7 miles north of Arcata on # 101. Comment
  HSC78577  Claytonia washingtoniana C. E. Fellows 1970-4-18 258 Humboldt NE end of Big Lagoon, E side of Hwy. 101 Comment
  UC503039  Clematis ligusticifolia Joseph P. Tracy 1928-9-2 8495 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  UC1134574  Clintonia andrewsiana A. E. Wieslander 1931-5-17 194 Humboldt Orick-Orleans Road Comment
  SEINET3991733  Clintonia andrewsiana Unknown 1914-5-17 Humboldt Freshwater Creek 305 Comment
  HSC102018  Clintonia uniflora M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 919 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC92754  Coincya monensis Jim Belsher 1997-2-13 1 Humboldt Lot ESE of the Manila Community Services District sewage pump station 6 Comment
  CAS-BOT-BC238027  Collinsia Doris Kildale Gillespie 1931-6-7 10608 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC70392  Collinsia grandiflora M. A. Baker 1980-6-8 1908 Humboldt Near Buck Flat. 1554 Comment
  UC41758  Collinsia grandiflora Chestnut and Drew 1880-7-9 Humboldt Kneeland Comment
  UC169092  Collinsia grandiflora Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5673 Humboldt ridge w Hoopa Valley (Hoopa Mt summit); Hoopa Mtn, North Coast Ranges Comment
  UC582461  Collinsia grandiflora Joseph P. Tracy 1927-6-12 8159 Humboldt Horse Mtn; Northern Coast Ranges; Horse Mtn 1219 Comment
  HSC73177  Collinsia linearis M. A. Baker 1980-5-18 1335 Humboldt Near Black Mtn. 792 Comment
  CAS-BOT-BC412799  Collinsia linearis David D. Keck 1948-7-2 5999 Humboldt Ridge east of Redwood Creek on road to Willow Creek. On US Route 299 609 Comment
  UC582455  Collinsia linearis Joseph P. Tracy 1936-6-10 14931 Humboldt South Fork of Trinity River, slopes w of its mouth South Fork of Trinity River 457 Comment
  UC1196759  Collinsia parviflora Joseph P. Tracy 1933-7-26 12909 Humboldt North Coast Ranges, at summit of Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1630 Comment
  HSC100662  Collinsia sparsiflora Carl C. Marshall Jun 1887 427 Humboldt Spruce Grove. Comment
  UCR111241  Collomia heterophylla H. E. Parks 1933-1 01152 Humboldt North Coast, Spruce Cove, Trinidad 76 Comment
  HSC45828  Collomia heterophylla J. P. Smith, J. O. Sawyer 1973-5-12 6672 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  POM270917  Collomia heterophylla S. K. Harris 1942-6-12 1386 Humboldt Fickle Hill Road to Boynton Prairie, SN 2 E. 600 Comment
  HSC102590  Collomia tracyi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1577 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC97106  Collomia tracyi Yun Chan, Renee Meyer, Sophary Yun 2007-6-11 6 Humboldt 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1364 Comment
  BLMAR298  Comarum palustre Jennifer Anthony-Wheeler 2002-7-23 298 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  HSC21475  Conium maculatum F. Morrel 1949-5-14 24 Humboldt Weitchpec Comment
  HSC90254  Conium maculatum Jean Hanson 1980-5-24 80 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island, 40 ft from SW shore Comment
  UC56310  Coptis laciniata Joseph P. Tracy 1899-6-18 5611 Humboldt Bald Mountain Comment
  CAS-BOT-BC133717  Corallorhiza Doris Kildale 1931-6-6 10868 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  JEPS64333  Corallorhiza maculata Lincoln Constance 1934-6-9 842 Humboldt Peavine Ridge South Fork Eel River, Bull Creek Region (w slope) 609 Comment
  RSA46849  Corallorhiza maculata Doris K. Kildale 1927-7-10 3733 Humboldt Gans Prairie, Bald Hills. Comment
  UC1196447  Corallorhiza mertensiana Joseph P. Tracy 1921-5-30 5499 Humboldt near Lawrence Creek; Northern Coast Ranges, Kneeland Prairie 762 Comment
  JEPS93181  Cordylanthus maritimus subsp. palustris Margriet Wetherwax and Kevin Downing 1993-8-9 2462 Humboldt N of Eureka, along N side of Eureka Slough; Jacobs St. turn-off of 101N just beyond bridge over slough; between two Peterbilt warehouses; population extends sporadically to Johns Used and Crashed Cars 5 Comment
  OBI9572  Cordylanthus tenuis subsp. viscidus Carl B. Wolf 1937-8-13 9225 Humboldt North Coast Range, 8 mi E of Hoopa Valley on new road towards Trinity summit Comment
  HSC96783  Cordyline australis Gordon Leppig 2004-6-8 2165 Humboldt Eureka, abandoned railroad tracks at Second St. and Commercial Ave. 2 Comment
  RSA43687  Coreopsis lanceolata H. M. Pollard 1947-8-28 s.n. Humboldt Roadside near Perch Creek, Orleans region Comment
  CAS-BOT-BC101146  Corethrogyne filaginifolia Marcus E. Jones 1931-8-2 29133 Humboldt McKinleyville Comment
  CAS-BOT-BC101149  Corethrogyne filaginifolia L. R. Abrams 1916-7-18 6096 Humboldt Arcata to Trinidad Comment
  UC314607  Cornus canadensis Joseph P. Tracy 1923-6-24 6356 Humboldt meadow near High Prairie (Bald Mt.); Northern Coast Ranges, Bald Mt. 1066 Comment
  CAS-BOT-BC212013  Cornus nuttallii Doris K. Kildale 1927-5-1 3118 Humboldt Blocksburg Comment
  HSC45638  Cornus nuttallii Diane L. Reed 1978-4-22 35 Humboldt Tish Tang Campground, 5 miles north of Willow Creek on State Hwy. 96. Comment
  HSC6419  Cornus nuttallii J. Sandborg, F. Sandborg Jun 1968 32 Humboldt Bluff Creek near Notice Creek. Comment
  RSA239689  Cornus nuttallii Larry E. DeBuhr 1973-4-23 982 Humboldt Richardson Grove Redwood State Park. Comment
  RSA697172  Cornus nuttallii J. R. Bruff 1937-8-17 919 Humboldt Richardson Grove. Comment
  UC35022  Cornus nuttallii Chesnut and Drew 1888-7-9 Humboldt Kneeland Prairie Comment
  UC412923  Cornus nuttallii P. E. Goddard 1906-6 692 Humboldt Lasseck Peak Comment
  UC634835  Cornus nuttallii H. L. Mason 1928-7-14 4897 Humboldt E. Fork Eel R. near Garberville; E. Fork Eel R. Comment
  HSC58048  Cornus sericea subsp. sericea G. L. Clifton, Griswold 1979-8-1 11907 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  UC502983  Cornus sericea subsp. sericea Joseph P. Tracy 1927-11-6 8392 Humboldt along Yager Creek Carlotta; Northern Coast Ranges 60 Comment
  UC726593  Cornus sericea subsp. sericea A. A. Heller 1923-7-10 13793 Humboldt Eel R. between Scotia and Pepperwood; Eel R. Comment
  UC249591  Cornus sessilis Joseph P. Tracy 1921-8-21 5945 Humboldt Three Creeks Northern Coast Ranges, Three Creeks 670 Comment
  UC1222291  Corylus californica Joseph P. Tracy 1951-7-24 19624 Humboldt Blue Slide. on Van Duzen River 91 Comment
  UC146217  Corylus californica Joseph P. Tracy 1906-6-24 2497 Humboldt Humboldt Hill, S side North Coast Region, region about Humboldt Bay 0 Comment
  UC902053  Corylus californica Joseph P. Tracy 1949-8-11 18486 Humboldt 1 1/2 mi SE of Snow Camp 1341 Comment
  UC902054  Corylus californica Joseph P. Tracy 1949-2-27 18265 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC180310  Corylus cornuta subsp. californica L. B. Kildale 1928-2-19 4275 Humboldt 2 miles N of Redwood lighway Comment
  UC485352  Cotula coronopifolia Joseph P. Tracy 1912-7-21 3775 Humboldt Alton; Northern Coast Region 30 Comment
  HSC49801  Cotula coronopifolia R. York 1979-4-16 236 Humboldt Between Arcata and Eureka along Hwy. 101 Comment
  UC1199460  Crepis acuminata Joseph P. Tracy 1933-7-25 12826 Humboldt Horse Mountain 1432 Comment
  SD39858  Crepis capillaris Edith A. Purer 1932-7-30 4683 Humboldt South of Orick. Comment
  CAS-BOT-BC290584  Crepis capillaris Doris K. Kildale 1925-7-17 1073 Humboldt Cutten Tract - Eureka Comment
  HSC5446  Crepis capillaris L. K. Weld 1967-7-16 2 Humboldt Myrtle Ave. 1 mi. S of Freshwater Corners Comment
  POM289673  Crepis capillaris Lyman Benson 1929-7-12 1798 Humboldt Weott Ranger Station; S Fork Eel River. Comment
  POM92411  Crepis capillaris L. R. Abrams 1922-6-25 8234 Humboldt 2 miles south of Fortuna Comment
  HSC74285  Crepis pleurocarpa M. A. Baker 1980-7-11 2783 Humboldt Near Red Mtn. 1341 Comment
  HSC78648  Crepis pleurocarpa D. K. Imper 1982-6-29 1479 Humboldt Near Lassics Lookout 1584 Comment
  HSC97632  Crepis pleurocarpa Cara Witte 2007-6-5 207 Humboldt Along Forest Service Road 4N32. Near Grouse Mountain 1413 Comment
  UC1223025  Crepis pleurocarpa Joseph P. Tracy 1947-7-9 17846 Humboldt Horse Mountain; top 1432 Comment
  HSC96260  Crepis pleurocarpa Laurel Goldsmith, Wanda Naylor 2005-6-15 10 Humboldt 1 mi. SE of Grouse Mtn. on unnamed F.S. road 1400 Comment
  HSC100428  Crocidium multicaule Carl C. Marshall Apr 1887 366 Humboldt Hoopa Valley, near Supply Creek. Comment
  HSC62776  Crocus speciosus M. Dean Griswold Jr. 1979-4-28 34 Humboldt W side of old Hwy. 101 Comment
  HSC98004  Cryptantha affinis Cara Witte 2007-7-20 552 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  UC525586  Cryptantha leiocarpa Joseph P. Tracy 1932-5-10 9939 Humboldt s of point of Cape Mendocino (near ocean shore); Cape Mendocino 3 Comment
  UC906745  Cuscuta californica Joseph P. Tracy 1941-8-28 17047 Humboldt near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC562476  Cuscuta campestris Joseph P. Tracy 1925-8-2 7220 Humboldt Big Lagoon 3 Comment
  UC1197868  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18409 Humboldt Mud Springs Trinity Summit 1341 Comment
  JEPS93172  Cuscuta salina var. major Margriet Wetherwax and Kevin Downing 1993-8-9 2459 Humboldt on E side of Humboldt Bay, just N of Eureka; S side of Eureka Slough, near Bayside Road and Myrtle. Marsh at end of the road to church 5 Comment
  UC176042  Cynoglossum grande Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3615 Humboldt near Hydesville; Northern Coast Region 30 Comment
  HSC48477  Cynoglossum occidentale Brad Klipfel 1974-7-23 455 Humboldt Ridge running E of Horse Mtn. Comment
  HSC90700  Cynosurus cristatus Gail Newton 1982-6-10 3603 Humboldt Elk River Wildlife Area, Eureka Comment
  SACT000843  Cynosurus cristatus Malcolm Nobs, S. Smith 1949-8-3 Humboldt Marsh and bog land at the southern outskirts of Eureka. Comment
  CAS-BOT-BC114059  Cyperus squarrosus Joseph Prince Tracy 1931-9-7 9662 Humboldt Damp sand bars along river. Trinity River Valley at Willow Creek. 152 Comment
  HSC14668  Cytisus scoparius T. W. Beck 1963-4-22 34 Humboldt Humboldt Meridian. Camp Bauer just outside the entrance, Korbel. Comment
  HSC14675  Cytisus scoparius William J. Ferlatte 1963-4-21 19 Humboldt Near 11th and A St., Arcata Comment
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Dec 18 2011
  RSA783324  Cytisus scoparius R. R. Halse 2010-3-25 7856 Humboldt Along US Hwy 101 ca. 9.7 miles S of Orick. 5 Comment
  SDSU10150  Cytisus scoparius Leslie Hickson 1990-4-15 15 IV90C Humboldt Oak Street across the road from the Freshwater park entrance. Eureka. Comment
  SEINET8477238  Cytisus scoparius D. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of snowline fox farm (Larabee Valley 7 1/2 USGA quadrangle placename), vicinity of the road crossing of Knack Creek 341 Comment
  UC1222419  Cytisus scoparius Joseph P. Tracy 1950-6-17 18830 Humboldt Eureka Comment
  UC37938  Dactylis glomerata Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5557 Humboldt Scotia Comment
  HSC1967  Danthonia californica William J. Ferlatte, B. D. Rogers 1966-6-15 2108 Humboldt Larabee Valley 762 Comment
  SEINET3128860  Danthonia californica J. B. Davy 1899-5-25 5056 Humboldt Ukiah Comment
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Dec 29 2015
  UC526683  Danthonia californica var. americana Joseph P. Tracy 1927-7-4 8234 Humboldt Lone Star Creek North Coast Ranges, Iaqua 609 Comment
  UC526684  Danthonia californica var. americana Joseph P. Tracy 1930-6-21 8772 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  CAS-BOT-BC420357  Darmera peltata Doris K. Kildale 1928-6-24 5247 Humboldt Redwood Creek at Berry's Comment
  UC402443  Darmera peltata P. E. Goddard 1901-7 173 Humboldt Klamath River Comment
  UCSB22847  Datisca glomerata Constance, Lincoln 1934-6-11 Humboldt Trail along E bank of S fork of Eel River; N Dyerville Flat Comment
  JEPS12211  Datura stramonium W. L. Jepson 1932-7-28 16436 Humboldt Dyerville 88 Comment
  UCR224652  Daucus carota Dean Kelch 2007-7-25 07- 508 Humboldt North Coast Range, along Hwy 29 between Lord-Ellis Summit and Hwy 96 558 Comment
  HSC33767  Daucus pusillus Ron Rahlston 1975-5-24 77 Humboldt Samoa Dunes off Samoa Blvd., across from boat landing Comment
  SBBG5180  Daucus pusillus H. and M. Dearing 1939-5-25 3442 Humboldt sand dunes near Samoa Comment
  HSC34963  Delphinium decorum subsp. tracyi Thomas W. Nelson 1975-5-24 1861 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA32277  Delphinium decorum subsp. tracyi H. C. Cantelow 1941-4-26 s.n. Humboldt 12 miles SW of Ferndale on Cape Town and Cape Mendocino Comment
  HSC45501  Delphinium decorum subsp. tracyi M. Alcasas 1978-4-7 7 Humboldt Freshwater Rd. 200 yds. N of Kneeland School 857 Comment
  HSC95837  Delphinium decorum subsp. tracyi Kevin Thomas 2004-4-26 14 Humboldt Titlow Hill Rd. Comment
  UC668272  Delphinium glaucum Joseph P. Tracy 1935-7-25 14241 Humboldt lower end Brett Hole (along streams); Trinity Summit 1584 Comment
  HSC35550  Delphinium menziesii D. L. Gray 1964-5-3 6409 Humboldt 61 Comment
  CHSC35593  Delphinium nuttallianum Thomas W. Nelson 1980-6-10 5443 Humboldt Six Rivers National Forest. Along branch road off Swayback Ridge Road ca. 1/2 mile east of junction. 1371 Comment
  HSC32304  Delphinium nuttallianum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5650 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC99633  Delphinium trolliifolium Allan R. Marshall 1962-5-11 10 Humboldt 50 yds. in front of N side of Hwy. 299 610 Comment
  UC668069  Delphinium trolliifolium Joseph P. Tracy 1935-6-23 14000 Humboldt near Coyote Peak; French Camp Ridge 1066 Comment
  RSA10043  Deschampsia beringensis Joseph P. Tracy 1927-7-16 8257 Humboldt Around Humboldt Bay. Mouth of Elk River. 6 Comment
  CDA14362  Deschampsia cespitosa P. Haggard 1996-7-8 s.n. Humboldt North Coast; North Coast Railroad right-of-way, Eureka. 0 Comment
  SEINET10515745  Deschampsia cespitosa Mark Stopher 1980-6-4 Stopher 95 Humboldt Very common along Elk River near Hwy 101 bridge. Eureka Quadrangle 7.5', T4N R1W S4 SW1/4. 1 Comment
  CDA31675  Deschampsia elongata T. C. Fuller 1962-8-6 9363 Humboldt Near Hwy 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Rd., 1 miles west of Green Point School. 0 Comment
  HSC26166  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-30 4107 Humboldt Comment
  HSC37256  Deschampsia elongata Lon Hall 1975-6-19 393 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC98123  Deschampsia elongata Cara Witte 2007-6-19 292 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. Near Horse Mountain mine. 1289 Comment
  UC187265  Deschampsia elongata Joseph P. Tracy 1908-6 2710 Humboldt opposite Buck Mt. Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  UC34060  Deschampsia elongata J. P. Tracy 1901-6-10 1130 Humboldt immediate vicinity of Eureka 0 Comment
  HSC74201  Descurainia incisa subsp. incisa M. A. Baker 1980-7-19 3005 Humboldt Near Bret Hole. 1814 Comment
  HSC56461  Dianthus armeria Griswold, Butler 1979-7-12 7249 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC55099  Dicentra formosa G. L. Clifton 1979-7-31 11813 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC8365  Dicentra formosa Francis Winter 1960-4-23 Humboldt 4 mi. N of Dollar Ranch, on Korbel-Maple Creek Rd. 244 Comment
  POM126098  Dichanthelium acuminatum var. fasciculatum Joseph P. Tracy 1900-8-26 925 Humboldt At Eureka 0 Comment
  JEPS64151  Dichelostemma capitatum Milo S. Baker 137 Humboldt South Fork Yager Creek Comment
  HSC97477  Dichelostemma capitatum subsp. capitatum Cara Witte 2007-5-21 65 Humboldt White Oak Opening. 1257 Comment
  SD211495  Dichelostemma congestum Barbara Ertter, Thomas J. Delendick 1987-5-16 6919 Humboldt Vista Point just West of Berry Summit on Highway 299 914 Comment
  UCR32171  Dichelostemma ida-maia David J. Keil 1983-7-2 17339 Humboldt 2.8 mi south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1098 Comment
  HSC3026  Dichelostemma ida-maia William J. Ferlatte, B. D. Rogers 1966-6-15 2102 Humboldt Plympton Ranch 915 Comment
  UC198616  Digitalis purpurea Joseph P. Tracy 1917-5-30 4790 Humboldt Dows Prairie; Northern Coast Ranges 60 Comment
  SD92990  Digitalis purpurea Walter Bertsch 1953-7-30 227 Humboldt Redwood forest along highway 101 near Dyerville. 60 Comment
  CAS-BOT-BC153239  Diplacus kelloggii Doris K. Kildale 1927-5-20 3228 Humboldt Bug Creek 792 Comment
  SBBG26842  Diplacus kelloggii L. Constance, R. C. Rollins 1941-5-12 Humboldt bluffs at jct of Klamath and Salmon Rivers, 1 mi S of Somes Bar 152 Comment
  CAS-BOT-BC153236  Diplacus kelloggii Lincoln Constance; Reed C. Rollins 1942-5-12 2894 Humboldt Bluffs at junction of Klamath and Salmon rivers, 1 mile south of Somes Bar 152 Comment
  UCD137492  Dipsacus fullonum Joseph P. Tracy 1937-8-3 15610 Humboldt along Mad River, near Blue Lake. 15 Comment
  RSA20815  Disporum smithii Carl B. Wolf 1937-9-10 9313 Humboldt Along old logging road 2 miles E of Trinidad on way to Hammond Lumber Co. s Camp 20 (abandoned). 152 Comment
  RSA520557  Disporum smithii Michael A. Hanson 1990-5-21 71 Humboldt Near Little Creek Trail in Redwood National Park; east side of Highway 101 approximately 7 miles (11 km) south of Klamath Comment
  RSA68743  Disporum smithii Victor Duran 1933-5-12 3413 Humboldt Bull Creek, at South Fork of the Eel River Comment
  SEINET199554 Image available Distichlis spicata Joseph P. Tracy 1923-1 6286 Humboldt Mouth of Davis Creek. Comment
  HSC97460  Dodecatheon hendersonii C. Witte 2007-5-8 13 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1397 Comment
  JEPS14451  Downingia elegans Joseph P. Tracy 1930-6-15 8739 Humboldt near Bosworth's; North Coast Ranges, Larrabee Creek 457 Comment
  JEPS14453  Downingia elegans Joseph P. Tracy 1927-7-17 8270 Humboldt Three Cabins, on lower w foothills of Chaparral Mountain North Coast Ranges, Chaparral Mountain 457 Comment
  HSC63143  Draperia systyla M. A. Baker 1979-6-28 949 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  HSC99662  Drosera rotundifolia Gordon Leppig 1997-6-19 451 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  SEINET6425013 Image available Drosera rotundifolia Mrs. Alma Bonstell 1912-1 Humboldt Christmas Prairie 914 Comment
  CAS-BOT-BC401534  Drosera rotundifolia Carl B. Wolf 1927-8-1 s.n. Humboldt Marsh near Eureka Comment
  HSC31442  Drymocallis lactea var. lactea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5560 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  HSC58089  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-1 11998 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  SEINET6424490 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  JEPS35162  Dryopteris expansa Lincoln Constance 1934-6-3 811 Humboldt S Fork Eel River; Bull Creek region Comment
  POM118351  Dryopteris expansa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
Read comments
Dec 31 2015
  POM188328  Dryopteris expansa Marcus E. Jones 1931-8-2 29171 Humboldt Klamath Comment
  UC1103628  Dulichium arundinaceum Joseph P. Tracy 1937-8-12 15623 Humboldt Bald Mountain, at Lake Prairie Lake Prairie; Bald Mountain, Lake Prairie 1066 Comment
  CAS-BOT-BC113645  Eleocharis acicularis Joseph Prince Tracy 1937-8-12 15626 Humboldt Bald Mountain at Lake Prairie Edge of bog. 1066 Comment
  UC1100621  Eleocharis acicularis Malcolm A. Nobs and S. Galen Smith 1949-8-9 1243 Humboldt town of Blue Lale Mad River (marshy pond on s side) Comment
  UCD49713  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Carpeting dried-up bed of pond. Dow's Prairie. 60 Comment
  HSC102060  Eleocharis bella M. R. Mesler, Robin Bencie, K. A. Wayman 2011-7-12 1163 Humboldt Patterson Meadows 1555 Comment
  HSC90810  Eleocharis macrostachya Gail Newton 1982-6-10 3594 Humboldt Elk River Wildlife Area, Eureka Comment
  UC1103669  Eleocharis obtusa Joseph P. Tracy 1931-9-7 9652 Humboldt Trinity River Valley at Willow Creek 152 Comment
  RSA298364  Eleocharis palustris Thomas W. Nelson 1977-9-22 3749 Humboldt In drainage ditch along east side of State Route 101 just north of the Eureka Airport Comment
  UC212885  Elymus X hansenii Joseph P. Tracy 1919-9-23 5279 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  CAS-BOT-BC227344  Elymus elymoides Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  HSC65112  Elymus glaucus J. P. Smith, Steve Selva 1970-6-14 3847 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC70405  Elymus glaucus M. A. Baker 1980-6-7 1840 Humboldt Near Ammon Creek 732 Comment
  RSA129273  Elymus glaucus H. S. Yates 1936-6-23 5856 Humboldt 2 miles S.E. of mouth of Mad River 30 Comment
  UCD61791  Elymus glaucus A. H. Murphy 1951-8-17 91 Humboldt Humboldt-Trinity Co. line: Near Cold Spring Lookout, South Fork Mtn. ca. 15 miles northeast of Bridgeville. 1219 Comment
  HSC102145  Elymus glaucus subsp. glaucus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1052 Humboldt Patterson Meadows 1566 Comment
  SEINET4683795  Elymus mollis D. A. Haskell 1966-4-23 26 Humboldt Coastal strand sand dunes near the town of Sa-; 0 Comment
  HSC9733  Elymus mollis subsp. mollis L. M. Malloy 1965-5-16 15 Humboldt Samoa, sand dunes 1/4 mile NW of the corner of Thunder Rd. and the Hard Way. Comment
  HSC74674  Elymus multisetus Gail Newton 1981-7-23 2269 Humboldt Near Bug Creek Butte 1494 Comment
  RSA10129  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek. 762 Comment
  UC1103294  Elytrigia repens Joseph P. Tracy 1937-8-13 15663 Humboldt Loleta 9 Comment
  SD38379  Epilobium angustifolium Edith A. Purer 1932-7-27 4148 Humboldt Comment
  HSC56983  Epilobium brachycarpum Overton, Marvin Butler 1979-7-23 9524 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  UC198621  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4855 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  BLMAR386  Epilobium canum subsp. latifolium Jennifer Anthony-Wheeler 2004-9-1 386 Humboldt Horse Mtn, Growing along titlow hill road 18+ miles 1584 Comment
  HSC74689  Epilobium ciliatum subsp. ciliatum Gail Newton 1981-8-7 2456 Humboldt Near Board Camp Mtn. 1478 Comment
  POM247161  Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-07 24050 Humboldt Spruce Cove, Trinidad. 64 Comment
  HSC99090  Epilobium densiflorum Cara Witte 2008-7-10 860 Humboldt National Forest Road 4N06. 1 mile west of National Forest 1. 1234 Comment
  POM247179  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1936-8-7 15102 Humboldt Trinity Summit, head of Hors-Linto Creek 1524 Comment
  HSC98840  Epilobium minutum Cara Witte 2008-7-11 877 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 0.5 mi. from intersection with National Forest 1. 1589 Comment
  HSC49630  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3401 Humboldt Mckeown Ranch N of Dinsmore, Mad River 610 Comment
  UC583070  Epilobium minutum P. A. Munz 1936-8-13 14382 Humboldt 10 mi w Willow Creek Comment
  HSC75459  Epilobium oregonense J. O. Sawyer 1980-7-18 3586 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC165947  Epilobium septentrionale J. Clausen 1932-9-18 685 Humboldt 2 miles southeast of Petrolia at the bridge across Mattolle River Comment
  UC429313  Epipactis gigantea P. E. Goddard 1907-7-15 #b 125 Humboldt Van Duzen Mad River (sunny side of river) Comment
  UC667938  Equisetum arvense Joseph P. Tracy 1935-7-27 14292 Humboldt open places at McKay Prairie; Trinity Summit 1584 Comment
  RSA684659  Equisetum arvense May N. Ackley 1933-5-2 301 Humboldt Redwood Hwy. Comment
  CAS-BOT-BC57160  Equisetum hyemale subsp. affine Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  RSA53855  Equisetum hyemale var. affine Henry M. Pollard 1946-8-31 s.n. Humboldt New Wilson Creek, Orleans Mt. Comment
  UC1239792  Equisetum laevigatum H. E. Parks and Joseph P. Tracy 1932-5-11 9966 Humboldt along R.R. Samoa; Northern Coast Ranges 6 Comment
  RSA53861  Eragrostis cilianensis Henry M. Pollard 1946-8-10 s.n. Humboldt Klamath River near Wilson Creek, Orleans region Comment
  RSA10056  Eragrostis hypnoides Joseph P. Tracy 1931-9-7 9663 Humboldt Trinity River Valley, at Willow Creek. Comment
  UC249866  Eragrostis pectinacea var. pectinacea Joseph P. Tracy 1924-8-31 6835 Humboldt Klamath River at Bluff Creek; Northern Coast Ranges, Klamath River, Bluff Creek 91 Comment
  HSC38349  Erechtites glomeratus Peter Sorensen 1976-7-14 Humboldt N Spit Comment
  CAS-BOT-BC299908  Erechtites minimus A. A. Heller 1923-7-8 13766 Humboldt State redwood camp 10 miles south of Dyerville Comment
  CAS-BOT-BC299910  Erechtites minimus Doris K. Kildale 1925-7-28 1104 Humboldt On the Van Duzen River near Strong's Station Comment
  HSC96501  Erechtites minimus Gordon Leppig 1998-8-23 1076 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC57993  Eremogone congesta var. suffrutescens G. L. Clifton, Griswold 1979-7-31 11754 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  CAS-BOT-BC58927  Erica Wilma Follette 2002-2-9 s.n. Humboldt Along east side of Highway 101, near Patrick's Point State Park Comment
  UC205183  Ericameria greenei Joseph P. Tracy 1919-9-22 5273 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit (open places in shasta fir belt) 1889 Comment
  UC1223016  Erigeron aliceae Joseph P. Tracy 1950-7-31 19237 Humboldt top of Grouse Mountain 1524 Comment
  UC1223013  Erigeron aliceae Joseph P. Tracy 1949-8-11 18487 Humboldt 1.5 mi se of Snow Camp (along creek running through fir woods near the C. M. Preston place) 1463 Comment
  CAS-BOT-BC296107  Erigeron foliosus var. confinis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC1223139  Erigeron foliosus var. confinis Joseph P. Tracy 1950-8-8 19291 Humboldt area Granite Rock; Trinity Summit, Crogan Hole 1676 Comment
  UC34629  Erigeron foliosus var. mendocinus Chesnut and Drew 1888-7-10 Humboldt Mad River Comment
  SBBG52999  Erigeron glaucus J. D. Hobson -Jul-1966 Humboldt beach and cliff at S end of sand spit forming Eureka Harbor, 10 mi S of Eureka Comment
  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
  UC169351  Erigeron inornatus var. inornatus Joseph P. Tracy 1912-7-31 3948 Humboldt near the summit Buck Mountain 1676 Comment
  HSC97812  Erigeron maniopotamicus Cara Witte 2007-6-22 339 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1/5 mile after intersection with 4N38. 1486 Comment
  CAS-BOT-BC214592  Erigeron philadelphicus Henry M. Pollard 1948-7-19 s.n. Humboldt Orleans to Van Fleet ranch Comment
  HSC5526  Erigeron philadelphicus W. K. Parks Jun 1932 1381 Humboldt Trinidad Comment
  SD53196  Erigeron philadelphicus Darley F. Howe 1962-5-21 3297 Humboldt 16 miles north of Garberville on Highway 101. 60 Comment
  RSA168812  Erigeron reductus var. reductus Joseph P. Tracy 1950-7-15 19046 Humboldt Trinity River, E side, 1 mile N of mouth of Willow Creek. Comment
  UC1223007  Erigeron robustior Joseph P. Tracy 1941-6-29 16964 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  SEINET11851212  Erigeron strigosus H. P. Chandler 1901-1 1402 Humboldt Klamath River, North Coast Ranges 244 Comment
  UC249848  Erigeron strigosus var. strigosus Joseph P. Tracy 1923-6-27 6384 Humboldt Trinity River Valley, near Willow Creek Comment
  HSC76606  Eriogonum compositum Teresa Prendusi 1981-7-21 280 Humboldt Near Whiteys Peak 1646 Comment
  CAS-BOT-BC259151  Eriogonum latifolium Harley P. Chandler 1901-5-1 1205 Humboldt Humboldt Bay 3 Comment
  JEPS95019  Eriogonum latifolium Vernon Oswald and Lowell Ahart 1997-9-4 8853 Humboldt 1.1 mi s of Highway 255 (North Spit of Humboldt Bay, w side of New Navy Base Road); North Spit of Humboldt Bay, New Navy Base Road 6 Comment
  UC1198150  Eriogonum latifolium Joseph P. Tracy 1938-6-17 15960 Humboldt near ocean shore (s of point of Cape); Cape Mendocino 3 Comment
  HSC95098  Eriogonum latifolium Andrea Pickart 2002-6-30 141 Humboldt Lanphere Dunes, Humboldt Bay National Wildlife Refuge 24 Comment
  HSC17389  Eriogonum luteolum var. luteolum D. E. Anderson 1961-9-30 1857 Humboldt Along dry roadside Comment
  HSC17446  Eriogonum nudum var. auriculatum C. B. Wolf 1927-8-30 1233 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  HSC99068  Eriogonum nudum var. oblongifolium Cara Witte 2007-6-19 297 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC77671  Eriogonum nudum var. oblongifolium J. W. Blankinship June 1893 Humboldt Comment
  HSC38618  Eriogonum nudum var. pubiflorum D. E. Anderson, J. P. Smith 1971-6-21 1113 Humboldt 5.2 mi. E of the bridge over Eel River at Alderpoint, near Humboldt-Trinity county line Comment
  CAS-BOT-BC269868  Eriogonum nudum var. pubiflorum Carl D. Duncan 1920-9-21 316 Humboldt In the vicinity of Hoopa Comment
  UC14096  Eriogonum roseum Chesnut and Drew 1888-7-25 Humboldt Hy-Am-Pum Comment
  CDA22681  Eriogonum umbellatum var. nelsoniorum L. P. Janeway, B. Castro 1996-8-4 5060 Humboldt High North Coast Ranges; Along Titlow Hill Road (Road #1) about 0.3 mile west of the spur road to top of Horse Mountain. Comment
  SEINET5333035  Eriogonum umbellatum var. nelsoniorum J. L. Reveal 2001-7-18 8346 Humboldt Along U.S. Forest Service Road 1 northwest of Grouse Mountain at milepost 14.3, about 10.3 air miles southwest of Salyer 1372 Comment
  UC672897  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1933-7-25 12881 Humboldt Grouse Mountain 1524 Comment
  POM160263  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1926-6-18 7607 Humboldt Humboldt Hill 152 Comment
  SD148242  Eriophyllum lanatum var. croceum G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6991 Humboldt North coast redwood area; California Highway 36, along the Van Duzen River, 19.6 miles east of U. S. 101. 136 Comment
  HSC74470  Eriophyllum lanatum var. grandiflorum Gail Newton 1980-7-23 1724 Humboldt Near Packsaddle Ridge 1463 Comment
  UC1199139  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 1/2 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  UC34184  Eriophyllum lanatum var. lanceolatum Harley P. Chandler 1901-6-1 1403 Humboldt Klamath River North Coast Ranges 243 Comment
  UC204701  Eriophyllum staechadifolium Joseph P. Tracy 1918-7-1 4971 Humboldt 3 mi s of point Cape Mendocino (sw slopes fronting the ocean) 3 Comment
  UC275489  Erodium cicutarium Joseph P. Tracy 1925-4-5 6959 Humboldt Lawrence Creek, at crossing of the Kneeland Road Northern Coast Ranges 609 Comment
  UC10525  Erysimum capitatum J. Burtt Davy 1899-6-9 5365 Humboldt n Harris; North Coast Ranges, Chamise Ridge Comment
  UC161542  Erysimum capitatum Joseph P. Tracy July 1908 2904 Humboldt ridge between Van Duzen and Mad Rivers near Low Gap (Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  HSC67181  Erysimum capitatum var. capitatum Thomas W. Nelson, James Nelson 1980-6-10 5433 Humboldt Along E side of Red Mtn. 1372 Comment
  CAS-BOT-BC54920  Erysimum menziesii Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka. Comment
  HSC6772  Erysimum menziesii Francis Winter 1960-3-26 Humboldt Samoa Peninsula, 2 mi. N of Coast Guard Station Comment
  SEINET5342590  Erysimum menziesii J. Tracy 1901-4-14 1019 Humboldt Humboldt Bay. Comment
  HSC44396  Erythronium californicum Brad Klipfel 1975-5-24 629 Humboldt Horse Mtn. Comment
  UC1197641  Erythronium californicum Joseph P. Tracy 1908-6-8 2630 Humboldt woods on n slope Ashfield's Butte; Northern Coast Ranges 762 Comment
  JEPS502  Erythronium grandiflorum Joseph P. Tracy 1933-7-11 12708 Humboldt Grouse Mountain 1524 Comment
  UC1197646  Erythronium grandiflorum Joseph P. Tracy 1932-7-15 10600 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  UC1225861  Erythronium grandiflorum Joseph P. Tracy 1942-6-23 17255 Humboldt near Water Dog Lakes; Trinity Summit 1828 Comment
  JEPS501  Erythronium grandiflorum Joseph P. Tracy 1930-7-18 9037 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC34508  Erythronium oregonum subsp. leucandrum J. D. Ackerman 1975-5-3 437 Humboldt 3.5 mi. E of Chezem Rd. and Hwy. 299 intersection, W of Redwood Creek Comment
Read comments
Mar 11 2013
  UC1197643  Erythronium revolutum Ethel Tracy 1907-5-4 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC666963  Erythronium revolutum Joseph P. Tracy 1927-5-15 8064 Humboldt woods at head Pine Creek; Hoopa Mountain 1066 Comment
  HSC104346  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 5 Humboldt Kneeland 854 Comment
  HSC104354  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-4-30 16 Humboldt Larabee Creek area, east of Redcrest 805 Comment
  CAS-BOT-BC403040  Eschscholzia californica Carl W. Simpson 1941-5-8 19 Humboldt Garberville Comment
  UC1541242  Eschscholzia californica W. K. Parks July 1933 1398 Humboldt South Fork Mountain Comment
  HSC58769  Eucephalus ledophyllus Terry Griswold 1979-7-26 10299 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC44570  Eucephalus ledophyllus var. ledophyllus Brad Klipfel 1973-7-15 189 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1222990  Eucephalus tomentellus Joseph P. Tracy 1941-8-24 17043 Humboldt near, (openings in fir forest) McKay Camp; South Fork Mountain 1676 Comment
  RSA93311  Eucephalus tomentellus R. S. Woglum 1938-8-28 1974 Humboldt Patrick Creek Comment
  JEPS20485  Euchiton gymnocephalus Joseph P. Tracy 1935-7-20 14110 Humboldt near Blue Lake (on Trinity Highway); North Coast Ranges, Trinity Highway 274 Comment
  UC1199359  Euchiton gymnocephalus Joseph P. Tracy 1938-6-15 15936 Humboldt vicinity Carlotta 30 Comment
  UC34837  Euonymus occidentalis var. occidentalis Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  HSC100482  Euphorbia lathyris Carl C. Marshall Jun 1885 114 Humboldt Near Arcata fields, etc. Comment
  HSC7987  Euphorbia lathyris J. P. Tracy 1941-10-26 17052 Humboldt Hydesville 91 Comment
  HSC7991  Euphorbia peplus Paul Shields 1955-6-18 Humboldt H.S.C. campus Comment
  HSC31736  Euphorbia peplus Donald Spalinger 1974-4-20 16 Humboldt Across from 1756 Ridgewood Dr. 122 Comment
  HSC59575  Euphorbia peplus Rick Lundquist 1979-4-24 37 Humboldt Arcata, lower Church parking lot at E end of 16th St. 46 Comment
  JEPS52428  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  CAS-BOT-BC312208  Eurybia radulina Doris K. Kildale 1929-8-4 8780 Humboldt Mattole River at Union Mattole Comment
  CAS-BOT-BC312210  Eurybia radulina Doris K. Kildale 1926-8-22 2588 Humboldt On Orick - Martin's Ferry Road 716 Comment
  UC1222977  Eurybia radulina Joseph P. Tracy 1950-8-20 19319 Humboldt 2 mi sw of Orleans Comment
  CAS-BOT-BC310678  Euthamia occidentalis Doris K. Kildale 1926-8-29 2599 Humboldt Van Duzen River near Strong's Station Comment
  UC70822  Festuca altaica Joseph Burtt Davy and Walter C. Blasdale 1899-6-22 5746 Humboldt Trinity Summit Comment
  HSC97391  Festuca californica D. E. Anderson 1965-4-24 3547 Humboldt 2 mi. E of Berry Summit along Hwy. 299 Comment
  UC1103703  Festuca elmeri Joseph P. Tracy 1942-5-16 17339 Humboldt Garberville 152 Comment
  HSC102208  Festuca idahoensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1123 Humboldt Andy's Camp 1564 Comment
  HSC47790  Festuca rubra Michael A. Watkins 1978-6-10 2 Humboldt Arcata, E side of the 7th Street overpass to Hwy. 101 Comment
  HSC70481  Festuca subulata Gail Newton 1980-7-20 1632 Humboldt Near Bell Swamps 1426 Comment
  UC1103706  Festuca subulata Joseph P. Tracy 1908-6 2741 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1145206  Festuca subuliflora Joseph P. Tracy 1948-6-13 18041 Humboldt 7 mi nw Blocksburg; Larrabee Creek 304 Comment
  HSC45585  Fragaria chiloensis Diane L. Reed 1978-4-29 41 Humboldt Trinidad Head Comment
  CAS-BOT-BC457925  Fragaria vesca subsp. californica Doris K. Kildale 1927-3-24 2947 a Humboldt Fleener Creek, Coastal Bluff. Comment
  CAS-BOT-BC457930  Fragaria vesca subsp. californica Joseph P. Tracy 1932-7-15 10578 Humboldt Near Corral Prairie; Trinity Summit; Klamath Mountains 1524 Comment
  JEPS44674  Fragaria virginiana Joseph P. Tracy 1932-7-16 10616 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  CAS-BOT-BC52729  Frangula californica subsp. californica C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC53403  Frangula californica subsp. occidentalis C. D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC59994  Frangula purshiana Joseph P. Tracy 1948-8-15 18152 Humboldt Trinity Summit. On ridge 2 mi. e. of Grove's Prairie. 1524 Comment
  HSC18419  Frangula purshiana T. M. Mingo May 1965 Humboldt 2 mi N of Trinidad Comment
  HSC31511  Frangula purshiana Steve Selva, Roger Jensen 1974-8-21 29 Humboldt Redwood Forest across from Hwy. 101 entrance to Patrick's Point State Park Comment
  HSC89485  Frangula purshiana P. A. Daly 1984-5-13 19 Humboldt Along trail at Trinidad Head 61 Comment
  SBBG26940  Frangula purshiana subsp. purshiana H. E. and S. T. Parks -May-1935 5541 Humboldt Spruce Cove, Trinidad 64 Comment
  UC1198637  Fraxinus latifolia Joseph P. Tracy 1923-6-19 6293 Humboldt Upper Mattole North Coast Ranges 152 Comment
  UC666945  Fritillaria affinis Joseph P. Tracy 1933-7-11 12710 Humboldt Grouse Mountain 1524 Comment
  UC1197633  Fritillaria affinis Joseph P. Tracy 1921-8-28 5946 Humboldt Guthrie Gulch; Northern Coast Ranges, Guthrie Gulch 121 Comment
  HSC38706  Fritillaria purdyi J. P. Smith 1976-5-29 8816 Humboldt Horse Mtn. 1402 Comment
  HSC67208  Fritillaria recurva Thomas W. Nelson, James Nelson 1980-6-10 5436 Humboldt Along E side of Red Mtn. 1372 Comment
  CAS-BOT-BC422450  Fumaria officinalis Joseph P. Tracy 1949-4-1 18277 Humboldt Eureka 30 Comment
  UC602509  Galium bolanderi Joseph P. Tracy 1937-7-24 15530 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  HSC41597  Galium bolanderi Thomas W. Nelson, Jane P. Nelson 1977-9-3 3719 Humboldt Along ridge between Bear Creek and Blanket Creek 1494 Comment
  JEPS52855  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-7-10 3864 Humboldt 4.2 mi e Garberville (on road to Harris, at crest of ridge) 640 Comment
  UC1196105  Galium californicum subsp. californicum Joseph P. Tracy 1925-8-9 7228 Humboldt opposite Miranda; Salmon Creek 91 Comment
  HSC70963  Galium porrigens Gail Newton 1980-7-15 1585 Humboldt Near Sims Mtn. 1311 Comment
  RSA46487  Galium porrigens Doris K. Kildale 1926-3-26 1645 Humboldt Old Fortuna Rd Comment
  HSC34701  Galium porrigens var. porrigens Thomas W. Nelson 1974-8-24 1702 Humboldt Weitchpec, under highway bridge over Klamath River Comment
  HSC40955  Galium triflorum Linda M. Barker 1976-7-5 1649 Humboldt 3 mi. W of Arcata. Comment
  HSC57333  Galium triflorum Overton, Butler 1979-7-26 9951 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC58074  Galium triflorum G. L. Clifton, Griswold 1979-8-1 11968 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC19780  Galium triflorum Jana Kattenhorn 1970-10-19 86 Humboldt Up Jolly Giant Creek from dorms Comment
  HSC38193  Gamochaeta ustulata Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay Comment
  HSC91914  Gamochaeta ustulata E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  CHSC77463  Garrya elliptica Vernon H. Oswald 2000-4-3 9908 Humboldt Elk Head northwest of Trinidad. 24 Comment
  HSC8391  Garrya elliptica D. E. Anderson 1962-1-4 1908 Humboldt Lanphere's Comment
  POM280065  Garrya elliptica Lyman Benson 1929-7-19 1851 Humboldt Mouth of Matole River. Comment
  RSA320506  Garrya elliptica M. S. Taylor 1982-10-24 5181 Humboldt Samoa, under bridge, ca. one mile northwest of Eureka. 0 Comment
  RSA392970  Garrya elliptica Maude Minthorn s.n. Humboldt Ferndale. Comment
  UC545824  Garrya elliptica H. E. Parks 1933-2 4287 Humboldt Trinidad Comment
  HSC72925  Garrya fremontii Gail Newton 1980-7-22 1679 Humboldt Near Devils Backbone 231 Comment
  JEPS66730  Garrya fremontii Lincoln Constance 1934-6-19 907 Humboldt near summit Grasshopper Peak; South Fork Eel River, Bull Creek Region 914 Comment
  UC1051597  Garrya fremontii Joseph P. Tracy 1948-9-12 18214 Humboldt 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC1196892  Garrya fremontii Joseph P. Tracy 1939-8-16 16408 Humboldt Horse Mountain 1432 Comment
  UC1225768  Garrya fremontii Joseph P. Tracy 1939-1-14 1618 a Humboldt Willow Creek; Trinity River Valley 152 Comment
  UCD121163  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 b Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  SEINET10559581  Gastridium phleoides Harley P. Chandler Chandler 1506 Humboldt Klamath River. 427 Comment
  CAS-BOT-BC56267  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  UC314635  Gaultheria ovatifolia Joseph P. Tracy 1926-6-27 7670 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  CHSC27892  Gaultheria shallon Susan Perkins 1978-4-25 41 Humboldt Redwood Park, e end of 13th St., Arcata, .8 mi e of City Hall. 7 mi nne of Eureka. 48 Comment
  HSC98344  Gaultheria shallon Jimerson, J. Pageau 1979-6-12 531 Humboldt Near Hopkins Butte, close to the town of Orleans 1036 Comment
  POM118415  Gaultheria shallon Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA175205  Gaultheria shallon R. F. Thorne 1957-9-3 19026 Humboldt Patrick's Point State Park. Comment
  UC32703  Gaultheria shallon Harley P. Chandler May, 1901 1161 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  UCSB12342  Gaultheria shallon 1961-7-4 Humboldt 4.8 miles east of the North Fork of the Mad River on U.S. 299 685 Comment
  JEPS27601  Gayophytum heterozygum Joseph P. Tracy 1933-8-30 13045 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC58834  Gayophytum racemosum Overton, Butler 1979-7-31 11406 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC14654  Genista monspessulana William J. Ferlatte 1963-4-21 18 Humboldt Near 11th and A St., Arcata Comment
Read comments
Dec 18 2011
  RSA13517  Gentiana newberryi H. E. Parks 1931-07 1052 Humboldt Bishop Pine Lodge, Trinidad. 76 Comment
  CAS-BOT-BC217409  Gentiana plurisetosa E. V. Jotter 1912-10-1 247 Humboldt Trinity Summit, Trinity Forest 1524 Comment
  UC1541480  Gentiana sceptrum H. E. and S. T. Parks 1930-9-14 774 Humboldt Big Lagoon Comment
  UC275299  Gentiana sceptrum R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC1197402  Geranium carolinianum Joseph P. Tracy 1935-5-25 13875 Humboldt Fort Seward 106 Comment
  HSC45616  Geranium carolinianum Diane L. Reed 1978-5-7 46 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  UC1198953  Geranium core-core J. P. Tracy 1911-6-11 3239 Humboldt Trinidad 91 Comment
  HSC8645  Geranium dissectum R. T. Forester 1963-4-30 16 Humboldt 0.25 mi. N of Fairhaven on Samoa Rd. Comment
  HSC45071  Geranium dissectum R. Sutherland 1978-5-12 10 .12578 Humboldt 282 Comment
  HSC78962  Geranium dissectum L. P. Janeway, K. Berg 1984-4-11 723 Humboldt N Spit of Humboldt Bay, turnout along Samoa Rd., across from boat ramp just N of Coast Guard Station 3 Comment
  JEPS61433  Geranium molle W. L. Jepson 1902-6-25 1933 Humboldt Korbel to Angel's Ranch Comment
  HSC12777  Geranium retrorsum Jana Kattenhorn 1970-10-24 140 Humboldt Arcata, HSU campus, S of Harpst St. Comment
  JEPS44855  Geum macrophyllum Milo S. Baker 1923-8-1 184 Humboldt roadside from Kneeland to Eureka Comment
  HSC16967  Gilia capitata J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  BLMAR195  Gilia capitata subsp. capitata Donald Hazlett 1994-6-7 195 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC40301  Gilia capitata subsp. capitata Thomas W. Nelson, Jane P. Nelson 1976-7-1 2900 Humboldt Along ridge N of Bear Creek 1463 Comment
  UC907967  Gilia capitata subsp. pacifica Joseph P. Tracy 1936-6-9 14894 Humboldt s of point of Cape Mendocino s of point Cape Mendocino (near ocean shore) 3 Comment
  CAS-BOT-BC225473  Gilia millefoliata D. E. Breedlove 1962-6-7 3041 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC908974  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (sand dunes, on Humboldt Bay); Northern Coast Region, on Humboldt Bay, nr Samoa 6 Comment
  SEINET10464629  Githopsis specularioides Tracy 1903-5-23 TRACY 1906 Humboldt Alder Point, on Eel River 152 Comment
  UC1409059  Glebionis segetum Robert F. Thorne and P. Everett 1965-8-8 35270 Humboldt n edge of Eureka (e of Hwy. 101) 4 Comment
  HSC62745  Glehnia littoralis subsp. leiocarpa J. M. DiTomaso 1979-5-20 1050 Humboldt Sand at Big Lagoon Park, 8 mi. N of Trinidad Comment
  RSA246749  Glehnia littoralis subsp. leiocarpa R. F. Thorne, P. Everett 1965-8-9 35304 Humboldt Big Lagoon 3 Comment
  UC140694  Glehnia littoralis subsp. leiocarpa unknown 1904-8-23 Humboldt peninsula - Eureka Eureka Comment
Read comments
Feb 1 2013
  HSC10063  Glyceria elata D. E. Anderson 1965-9-5 4092 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC99484  Glyceria elata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 143 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
  POM126119  Glyceria fluitans Joseph P. Tracy 1924-8-3 6749 Humboldt Stone Lagoon Comment
  SEINET267676 Image available Glyceria fluitans Gordon Leppig 1995-4-6 243 Humboldt Arcata Alder Grove Pond. 12 Comment
  HSC40385  Glyceria striata Thomas W. Nelson, James Nelson 1976-7-28 3078 Humboldt W of Alder Springs. 1524 Comment
  RSA42036  Gnaphalium chilense H. C. Cantelow 1936-8-29 1566 Humboldt 1 mile off Riv. [High.?] S. Fork Eel River Bridge, 17 miles N of Garberville Comment
  CAS-BOT-BC302533  Gnaphalium palustre Joseph P. Tracy 1932-7-13 10513 Humboldt Trinity Summit. Open places at Corral Prairie 1584 Comment
  UC164842  Gnaphalium palustre Joseph P. Tracy 1911-7-7 3383 Humboldt 3 m nw of junction with Trinity River Willow Creek (at meadow on mountainside, near Beebs Ranch); Northern Coast Ranges, , Trinity River 914 Comment
  UC630460  Gnaphalium palustre H. E. and S. T. Parks 1937-8-1 24080 Humboldt Spruce Cove Northwestern California, Trinidad, Spruce Cove Comment
  UC1199342  Gnaphalium palustre Joseph P. Tracy 1927-9-4 8364 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC29721  Goodyera oblongifolia J. D. Ackerman 1973-12-17 122 Humboldt 2 mi. N of Manila Comment
  HSC54588  Goodyera oblongifolia Overton, Butler 1979-7-24 9652 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76552  Goodyera oblongifolia Teresa Prendusi 1981-7-7 126 Humboldt Near Slate Creek Butte. 1158 Comment
  UC1196437  Goodyera oblongifolia J. P. Tracy 1900-7-4 879 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  CAS-BOT-BC304736  Grindelia hirsutula Doris K. Kildale 1926-6-25 2172 Humboldt Big Lagoon Comment
  CAS-BOT-BC304739  Grindelia hirsutula Joseph P. Tracy 1939-8-6 16397 Humboldt Shore of Big Lagoon 3 Comment
  HSC2216  Grindelia hirsutula J. T. Howell 1937-7-31 13720 Humboldt Humboldt Bay at Arcata Comment
  HSC91913  Grindelia hirsutula E. Mackey 1986-12-18 Humboldt Patricks Point State Park; parking lot at Palmer's Point Comment
  JEPS41866  Grindelia hirsutula Joseph P. Tracy 1918-7-1 4976 Humboldt 3 mi s of the point of Cape Mendocino (near ocean shore, following up ravines) 152 Comment
  UC665533  Grindelia hirsutula H. E. Parks Aug 1941 24190 Humboldt Big Lagoon Comment
  SEINET11835909  Grindelia stricta var. stricta J. P. Tracy 1947-1 17944 Humboldt mouth of Eel River, S side, Camp Weeott 3 Comment
  HSC56354  Hackelia bella Griswold, Butler 1979-7-10 6325 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC1222248  Hackelia bella Joseph P. Tracy 1951-6-26 19565 Humboldt near Twin Lakes ((Snout Camp and Twin Lakes Trip)); Snout Camp Comment
  JEPS79900  Hackelia micrantha Joseph P. Tracy 1932-7-11 10421 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC3670  Hackelia setosa J. P. Tracy 1937-7-25 15547 Humboldt Trinity Summit; on ridge 2 mi. E of Grove's Prairie 1524 Comment
  CAS-BOT-BC508214  Hastingsia alba Bolander 1867-6-1 s. n. Humboldt Swamps, Red Mtns. Comment
  POM160314  Hastingsia serpentinicola Joseph P. Tracy 1926-6-20 7633 Humboldt Horse Mountain. 1463 Comment
  CAS-BOT-BC302442  Hazardia whitneyi var. discoidea Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  HSC91596  Hedera helix E. Mackey 1986-10-7 Humboldt Patrick's Point State Park, near old road in dune area Comment
  CAS-BOT-BC306871  Helenium bolanderi L. R. Abrams; R. Bacigalupi 1922-6-25 8261 Humboldt Between Trinidad and Big Lagoon Comment
  HSC25943  Helenium puberulum Thomas W. Nelson 1970-10-31 293 Humboldt Eel River near N end of the Scotia Bluff. Comment
  JEPS35522  Helenium puberulum W. L. Jepson 1921-9-10 9458 Humboldt flat at Philipsville Comment
  RSA46472  Heliotropium curassavicum var. oculatum Doris K. Kildale 1926-7-10 2339 Humboldt Stone Lagoon. Comment
  HSC25071  Heliotropium curassavicum var. oculatum R. W. Becking 1970-10-3 Humboldt Stone Lagoon near Orick Comment
  CAS-BOT-BC310077  Hemizonella minima Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC35622  Hemizonia congesta subsp. clevelandii Thomas W. Nelson, B. Reinhardt 1975-7-30 2123 Humboldt Beside private road to Pilot Rock Comment
  CAS-BOT-BC306184  Hemizonia congesta subsp. congesta J. Clausen 1932-9-18 679 Humboldt 4 miles southwest of Capetown on the road to Petrolia 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
  UC127611  Hemizonia congesta subsp. tracyi Harley P. Chandler 1901-5-28 1245 Humboldt Tom Bair's North Coast Ranges, Redwood Creek 152 Comment
  POM228359  Hemizonia tracyi S. K. Harris 1936-6-20 s.n. Humboldt Above Van Duzen River about 1 mile west of Bridgeville Comment
  UC673045  Heracleum lanatum Joseph P. Tracy 1940-9-26 16730 Humboldt s. end Humboldt Bay (Salmon Creek Valley); , Salmon Creek Valley 9 Comment
  HSC48812  Heracleum maximum Brad Klipfel 1973-7-31 226 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  RSA246845  Heracleum maximum R. F. Thorne, P. Everett 1965-8-9 35327 Humboldt Clam Beach County Park: along highway. 3 Comment
  HSC32119  Heterocodon rariflorum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5709 Humboldt McKeown Ranch, N of Dinsmore Comment
  SEINET10840487  Heterocodon rariflorum Tracy TRACY 3822 Humboldt KNEELAND Comment
  CAS-BOT-BC311056  Heterotheca oregona var. oregona A. A. Heller 1924-7-20 13866 Humboldt Along the Eel River at Phillipsville Comment
  HSC97539  Heterotheca oregona var. rudis Ivy Watson 2008-9-17 17 Humboldt Mad River Park on West End Rd. near pumping station 8 Comment
  HSC20191  Heuchera micrantha D. E. Anderson 1962-5-1 2200 Humboldt 1 mi. W of Hoopa Comment
  HSC60060  Heuchera micrantha M. A. Baker 1978-5-20 561 Humboldt Hoopa Indian Reservation Comment
  HSC56213  Heuchera rubescens G. L. Clifton, Griswold 1979-8-2 12222 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC76266  Heuchera rubescens Teresa Prendusi 1981-7-24 515 Humboldt Near Whiteys Peak 1634 Comment
  JEPS26199  Heuchera rubescens Joseph P. Tracy 1932-7-18 10715 Humboldt head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC312388  Hieracium albiflorum Doris K. Kildale 1927-7-17 3752 Humboldt Bug Creek 792 Comment
  CAS-BOT-BC312394  Hieracium albiflorum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC57620  Hieracium albiflorum G. L. Clifton, Griswold 1979-7-25 10746 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC1223084  Hieracium albiflorum Joseph P. Tracy 1948-9-5 18200 Humboldt near Grizzly Camp; Trinity Summit Comment
  HSC44567  Hieracium scouleri Brad Klipfel 1973-7-15 185 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC10139  Holcus lanatus W. F. Nickel 1965-4-28 Humboldt On Humboldt State Campus behind biological science building, near baseball field. Comment
  HSC38838  Holcus lanatus R. Sutherland 1976-8-6 19 .6876 Humboldt Briceland. 183 Comment
  HSC99581  Holcus lanatus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 246 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
  UCR143024  Holcus lanatus M. S. Jussel 1931-5-2 s.n. Humboldt Northwestern Coast; Outer North Coast Ranges, near Garberville 183 Comment
  SEINET11683187  Holcus lanatus K. S. Erdman 1970-1 4805 Humboldt mouth of Ossagon Creek on Gold Beach Road, 2 mi W of US 101 (Redwood N.P.) Comment
  CAS-BOT-BC149897  Holodiscus discolor Joseph P. Tracy 1933-8-30 13031 Humboldt Grouse Mountain 1524 Comment
  UC1198703  Holodiscus discolor Joseph P. Tracy 1911-7-6 3362 Humboldt along road between Three Creeks and Mouth of Willow Creek, Northern Coast Ranges Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  UC1198706  Holodiscus discolor Joseph P. Tracy 1932-7-18 10718 Humboldt Klamath Mountains, Trinity Summit, Head of Brett Hole Head of Brett Hole; Klamath Mountains, Trinity Summit, Head of Brett Hole 1828 Comment
  HSC39908  Hordeum brachyantherum J. P. Smith, Steve Selva 1970-6-30 4109 Humboldt Comment
  CAS-BOT-BC281263  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1933-6-6 12508 Humboldt Northern Coast Region. Trinidad 9 Comment
  UC1103489  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-6-2 17094 Humboldt 1 mi E of town Alton 18 Comment
  HSC31787  Hordeum murinum subsp. leporinum Donald Spalinger 1974-4-25 26 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  UC183550  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1913-6-17 4163 Humboldt near summit (Buck Mountain); Northern Coast Ranges 1524 Comment
  JEPS102925  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1987-6-11 8553 Humboldt Along FS Rd 13N01 .25 mi S of turnoff to Onion Lake Comment
  HSC100517  Hosackia purshiana Carl C. Marshall Jun 1885 83 Humboldt Near Bug Creek. Comment
  SBBG68130  Hosackia stipularis var. stipularis H. E. Parks -Jul-1932 Humboldt Bishop Pine Lodge, Trinidad Comment
  CDA38356  Hydrocotyle ranunculoides W. F. Cruickshank 1961-5-27 s.n. Humboldt Arcata, Weyerhauser Lumber Co. 0 Comment
  HSC38628  Hydrophyllum tenuipes D. E. Anderson, J. P. Smith 1971-6-18 - 1100 Humboldt In narrow canyon of the N Fork of Mad River, along Hwy. 299, E of Blue Lake Comment
  JEPS1641  Hydrophyllum tenuipes W. L. Jepson 1932-7-27 16427 Humboldt Bull Creek 106 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  UC213008  Hydrophyllum tenuipes Joseph P. Tracy 1920-5-18 5318 Humboldt Bull Creek Northern Coast Ranges (along Eel River from South Fork to Scotia) 60 Comment
  UC902140  Hypericum anagalloides Joseph P. Tracy 1947-6-28 17750 Humboldt Larrabee Valley 731 Comment
  CAS-BOT-BC401234  Hypericum perforatum Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC58239  Hypericum perforatum G. L. Clifton, Griswold 1979-8-2 12403 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS66833  Hypericum perforatum Lincoln Constance 1934-5-26 677 Humboldt w. end of Dyerville Bridge; S. Fork Eel R., Bull Creek Region 45 Comment
  UC1137469  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
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Sep 12 2009
  UC1198412  Hypericum perforatum Joseph P. Tracy 1926-7-25 7754 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 152 Comment
  UC179926  Hypericum perforatum Joseph P. Tracy 1914-9-7 4618 Humboldt On Bald Mt. near Bald Mt. House; Northern Coast Ranges, Bald Mt. 914 Comment
  UC164814  Hypochaeris glabra J. P. Tracy 1903-8-9 1947 Humboldt Eureka 0 Comment
  HSC34584  Hypochaeris glabra A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  CAS-BOT-BC206845  Iliamna latibracteata C. B. Wolf 1931-8-28 2367 Humboldt Redwood Highway, 3 miles north of Orick, Davison's Ranch on Prairie Creek 60 Comment
  HSC56224  Ipomopsis aggregata G. L. Clifton, Griswold 1979-8-2 12260 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS8445  Iris Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez and S. Carlquist 1951-6-14 3414 Humboldt ridge between Mad River and Redwood Creek (Bald Mountain ridge) (in meadow about Snow Camp); Snow Camp 1432 Comment
  HSC99250  Iris chrysophylla T. Jimerson, J. Pageau 1979-6-13 551 Humboldt Near Slate Creek Butte, close to the town of Orleans 549 Comment
  JEPS539  Iris douglasiana W. L. Jepson 1932-8-9 16543 Humboldt Bull Creek Comment
  UC1103024  Iris douglasiana Joseph P. Tracy 1931-6-7 9574 Humboldt Eureka 30 Comment
  UC1196394  Iris douglasiana Joseph P. Tracy 1934-8-31 13644 Humboldt Kneeland Prairie 762 Comment
  UC1565799  Iris douglasiana R. Spellenberg 1990-7-10 10240 Humboldt 11 mi s Berry Summit (on Calif. Hwy. 299) on U.S.F.S. 1 (11 air mi e of Burnt Ranch, extreme e edge of Humboldt County) 1432 Comment
  UC275571  Iris douglasiana Joseph P. Tracy 1924-9-21 6894 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC615044  Iris douglasiana Beryl O. Schreiber 1934-6-5 1134 Humboldt 15 mi e Blue Lake (road to Redding) Comment
  RSA137356  Iris douglasiana Lee W. Lenz, E. K. Balls 1956-6-12 21666 Humboldt Between Willow Creek and Blue Lake, U.S. Highway 299 366 Comment
  JEPS79908  Iris macrosiphon Joseph P. Tracy 1941-3-23 16808 Humboldt 3 mi w Bridgeport (near e margin of redwood belt through s Humboldt County) 198 Comment
  RSA21085  Iris macrosiphon Carl B. Wolf 1937-6-19 8913 Humboldt North Coast Range, 7.2 mi. above Bridgeville on grade to Dinsmores. 457 Comment
  UC4291  Iris macrosiphon J. Burtt Davy 1899-6-21 5745 Humboldt Hoopa Valley; North Coast Ranges Comment
  HSC44159  Iris purdyi Thomas W. Nelson, Jane P. Nelson 1977-6-19 3515 Humboldt SW of Alder Springs along Rd. 2S08 1463 Comment
  RSA135817  Iris purdyi E. K. Balls 1957-5-26 22609 Humboldt 0.9 mile southwest [of] Humboldt - Trinity County line, on road Alder Point to Zenia 396 Comment
  UC429165  Iris purdyi P. E. Goddard 1906-6 644 Humboldt above Bells (Eel River); Eel River Comment
  HSC66484  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-4-27 435 Humboldt FS Rd. 12N20, 0.9 mi. from FS Rd. 15N01, Orleans 762 Comment
  HSC74329  Iris tenuissima M. A. Baker 1980-6-16 1958 Humboldt Near Onion Mtn. 1280 Comment
  UC14924  Iris tenuissima Harley P. Chandler Jun 1901 1529 Humboldt Klamath River; North Coast Ranges Comment
  UC1046540  Iris tenuissima R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3414 Humboldt ridge between Mad River and Redwood Creek (about Snow Camp, Bald Mountain); Bald Mountain, Snow Camp 1432 Comment
  UCD115205  Isatis tinctoria S. S. Tillett 1956-7-6 606 Humboldt Above Klamath River, along Ishi Rish Road, 1 mi. n. of Orleans. 167 Comment
  UC198638  Isolepis setacea Joseph P. Tracy 1917-6-17 4817 Humboldt around, Salmon Creek Valley Humboldt Bay; Northern Coast Ranges, , Salmon Creek Valley 30 Comment
  HSC48793  Isolepis setacea Brad Klipfel 1974-5-11 342 Humboldt SW side of Big Lagoon Comment
  CHSC105757  Juncus balticus subsp. ater Peter F. Zika 2008-11-3 24273 Humboldt North Coast. Pebble shore of brackish lagoon, near Stone Lagoon. 1 Comment
  UC249540  Juncus balticus subsp. ater Joseph P. Tracy 1921-7-10 5855 Humboldt Big Lagoon Northern Coast Region 6 Comment
  CHSC88880  Juncus breweri L. P. Janeway; B. Castro 2004-9-10 8320 Humboldt North Coast. South Spit of Humboldt Bay, 3.6 km north-northeast of Table Bluff Lighthouse site; between South Spit Road and the Humboldt Bay mudflats. 2 Comment
  BLMAR417  Juncus breweri Jennifer Wheeler 2007-8-29 417 Humboldt South Spit, growing on east side near bay 9 Comment
  HSC91873  Juncus bufonius E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  UC1103671  Juncus bufonius var. bufonius Joseph P. Tracy 1914-5-14 4440 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  HSC96585  Juncus bufonius var. bufonius Gordon Leppig 1998-8-23 1069 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  RSA168857  Juncus capitatus Joseph P. Tracy 1948-6-13 18045 Humboldt Dobbyn Creek; At the former Will Perry Place. 152 Comment
  UC302161  Juncus covillei var. obtusatus Joseph P. Tracy 1926-7-5 7725 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  HSC34710  Juncus effusus subsp. pacificus Thomas W. Nelson 1974-7-20 1695 Humboldt McKeown Ranch N of Dinsmore Comment
  SD88349  Juncus falcatus Darley F. Howe 1972-6-30 Humboldt Trinidad. Comment
  UC1152090  Juncus falcatus subsp. sitchensis Joseph P. Tracy 1930-10-13 9218 Humboldt n end Humboldt Bay Comment
  UC184194  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1913-6-17 4168 Humboldt near Buck Mountain summit; Northern Coast Ranges 1524 Comment
  CHSC103201  Juncus occidentalis Peter F. Zika 2009-6-16 24496 Humboldt Outer North Coast Range, between Lord-Ellis and Berry summits. Above Chezen Road, at junction with Route 299. 510 Comment
  UC1152147  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-7-24 16086 Humboldt corner of Pacific and A Streets Eureka Comment
  CDA28713  Juncus planifolius P. F. Zika 2008-10-19 24229 Humboldt East side of Route 101, near Exit 728 for Trinidad Beach. Elevation: 110 meters. 0 Comment
  SEINET11788655  Juncus xiphioides J. P. Tracy 1938-1 16171 Humboldt Lake Prairie Comment
  HSC100476  Kalmia glauca Carl C. Marshall Jun 1886 302 Humboldt Trinity Summit. 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
  HSC50858  Keckiella corymbosa Walter Overton, Marvin Butler 1979-7-25 9882 Humboldt Near Sims Mtn., close to the town of Willow Creek 1296 Comment
  CAS-BOT-BC237831  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata Comment
  UC577412  Keckiella lemmonii Joseph P. Tracy 1929-8-4 8648 Humboldt ridge between Bull Creek and Mattole River 762 Comment
  JEPS11334  Kickxia elatine W. L. Jepson 1936-8-12 17878 Humboldt Phillipsville; South Fork Eel River Comment
  UC885732  Kickxia elatine Carl D. Duncan 1920-9-22 Humboldt Hoopa Valley Comment
  UC1239535  Lactuca serriola Joseph P. Tracy 1934-8-14 13577 Humboldt Holmes Flat North Coast Ranges, Holmes Flat 60 Comment
  SEINET11811175  Lactuca serriola J. P. Tracy 1949-1 18403 Humboldt Trinity River valley, at Willow Creek 152 Comment
  CAS-BOT-BC337997  Lasthenia californica Doris K. Kildale 1928-5-31 5115 Humboldt Chalk Mountain Comment
  UC169322  Lasthenia glaberrima Joseph P. Tracy 1912-6-9 3690 Humboldt Alton Northern Coast Region, Alton 30 Comment
  CAS-BOT-BC352930  Lasthenia glaberrima S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3439 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  UCD107019  Lathyrus cicera Joseph P. Tracy 1942-6-15 17133 Humboldt at Englewood near Redcrest resort. 91 Comment
  UC1199079  Lathyrus japonicus Joseph P. Tracy 1915-6-6 4647 Humboldt mouth of Elk River Northern Coast Region, Eureka 0 Comment
  UCD106376  Lathyrus littoralis Linda M. Barker 1976-5-13 1489 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC160918  Lathyrus littoralis Joseph P. Tracy 1909-7-18 3022 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  RSA74591  Lathyrus tracyi C. L. Hitchcock 1949-6-8 19086 Humboldt 3 miles SE of Willow Creek, along Highway #299. Comment
  UC162788  Lathyrus vestitus Joseph P. Tracy 1906-6-24 2498 Humboldt near Field's Landing (s slope of Humboldt Hill); Northern Coast Region, Humboldt Bay Region, Humboldt Hill 0 Comment
  UC1199084  Lathyrus vestitus var. ochropetalus Joseph P. Tracy 1924-8-10 6814 Humboldt Blue Slide, on Van Duzen River Northern Coast Ranges, Van Duzen River 91 Comment
  CAS-BOT-BC325926  Layia carnosa Harley P. Chandler 1901-5-1 1150 Humboldt Humboldt Bay 3 Comment
  CAS-BOT-BC325929  Layia carnosa Joseph P. Tracy 1932-5-16 10106 Humboldt Sand dunes near Samoa, on Humboldt Bay. Comment
  HSC26331  Layia carnosa Thomas W. Nelson 1971-4-16 381 Humboldt On dunes along the Samoa Peninsula adjacent to the Coast Guard Station Comment
  RSA176928  Layia carnosa Peter H. Raven 1963-5-15 18370 Humboldt Lanphere Ranch just west of Mad River Slough; near Arcata Comment
  UC1223217  Layia carnosa Joseph P. Tracy 1946-6-2 17555 Humboldt Fairhaven; Samoa Peninsula Comment
  UC198626  Layia carnosa Joseph P. Tracy 1917-5-30 4796 Humboldt mouth Little River Comment
  UC1101319  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-8-9 1225 Humboldt 1 mi n of Arcata (at junction of Highways 101 and 299, Mad River Valley); Mad River Valley Comment
  SBBG49010  Leontodon taraxacoides R. N. Philbrick with S. T. Parks 1974-8-28 Humboldt behind beach, along US Hwy 101, S of Orick 76 Comment
  UC1225825  Leptosiphon latisectus Joseph P. Tracy 1948-6-13 18048 Humboldt 2 mi n Harris 609 Comment
  UC1199332  Lessingia nemaclada Joseph P. Tracy 1929-8-25 8662 Humboldt at Willow Creek Trinity River Valley, Willow Creek 152 Comment
  HSC91923  Leucanthemum vulgare E. Mackey 1986-7-21 Humboldt Patrick's Point State Park near Ceremonial Rock. Comment
  HSC5360  Leucanthemum vulgare Francis Winter 1960-4-19 Humboldt Samoa peninsula 5 miles W of Arcata. Comment
  HSC72875  Lewisia nevadensis M. A. Baker 1980-6-8 1905 Humboldt Near Buck Flat. 1554 Comment
  HSC32150  Lewisia triphylla D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5597 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC97936  Lewisia triphylla Cara Witte 2007-5-31 145 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
  UC181261  Leymus X vancouverensis Joseph P. Tracy 1914-7-16 4586 Humboldt Humboldt Bay Northern Coast Region, Eureka (same spot as my #3744) 0 Comment
  HSC98754  Ligusticum californicum Cara Witte 2007-7-19 551 Humboldt Forest Service Road 4N32. 1.5 miles east of intersection with 4N70. Grouse Mountain Lookout. 1547 Comment
  HSC56059  Ligusticum grayi G. L. Clifton, Terry Griswold 1979-7-31 11695 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC21522  Lilaeopsis occidentalis D. E. Anderson 1962-7-14 2272 Humboldt W edge of Freshwater Lagoon Comment
  UC176689  Lilium columbianum Joseph P. Tracy 1913-7-13 4356 B Humboldt Patrick's Point; Northern Coast Ranges 30 Comment
  CAS-BOT-BC508390  Lilium columbianum V. Rattan 1879-1-1 s.n. Humboldt Klamath Comment
  RSA766918  Lilium columbianum Joseph M. Keefe 1967-7-8 1876 Humboldt South edge of Big Lagoon, 20 miles north of Eureka 2 Comment
  CAS-BOT-BC130646  Lilium kelloggii Alice Eastwood; John Thomas Howell 1937-6-23 4851 Humboldt 5 miles from Kneeland on road to Korbel Comment
  UC666958  Lilium kelloggii Joseph P. Tracy 1929-7-4 8637 Humboldt French Camp Ridge 1066 Comment
  UC984813  Lilium kelloggii A. M. Vollmer and L. Beane Jun 1951 148 Humboldt e of Korbel (on road to Bald Mountain) Comment
  UC54664  Lilium pardalinum Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5717 Humboldt Supply Creek; North Coast Ranges, Hupa Valley Comment
  HSC15586  Lilium pardalinum subsp. pardalinum D. G. Hauger 1967-7-15 52 Humboldt Comment
  CAS-BOT-BC132961  Lilium rubescens Milo S. Baker 1927-8-14 2428 a Humboldt Summit of Ridge West of Bull Cr. Comment
  HSC79265  Lilium rubescens D. K. Imper 1983-7-12 Humboldt Along USFS Rd. 10N14, 2 mi. N of jct. with 13N01, N of Blue Lake. Also noted 1 mi. N on 13N01, .2 mi. N of jct. with 10N14 762 Comment
  UC1198250  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1913-7-20 4366 Humboldt ridge between Redwood Creek and Willow Creek (on Willow Creek road); Northern Coast Ranges 914 Comment
  JEPS19627  Limnanthes douglasii W. L. Jepson 1934-5-7 16699 Humboldt Buckeye Prairie Bull Creek Comment
  BLMAR501  Limnanthes douglasii Jennifer Wheeler 2009-4-30 501 Humboldt King range, Hidden Valley trail; trail forward Comment
  UC971842  Limnanthes douglasii subsp. nivea Charles T. Mason Jr. 1949-4-30 1282 Humboldt e side of road to Fortuna 4.9 mi from Bridgeville Comment
  BLMAR427  Limonium californicum Clara Sander 2004-9-27 427 Humboldt South Spit, east side of road 4 Comment
  SEINET7253531 Image available Limonium californicum Joseph P. Tracy 1901-1 1254 Humboldt At Samoa 1 Comment
  CDA39662  Limonium californicum T. C. Fuller 1961-9-27 7045 Humboldt 1 mile north of Indianola Road, Highway 101, 5 miles north of Eureka. 0 Comment
  JEPS58246  Linanthus bicolor Lincoln Constance 1934-6-4 816 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region Comment
  JEPS58421  Linanthus filipes W. L. Jepson 1902-7-11 2016 Humboldt Martin's Ranch South Fork of Trinity River Comment
  SFV18546  Linaria canadensis E. Cohen 2002-4-15 23 Humboldt Eureka. Comment
  CAS-BOT-BC416392  Linnaea borealis subsp. longiflora H. M. Pollard 1942-9-12 s.n. Humboldt Near Orleans Comment
  HSC59497  Linum bienne M. A. Ericksen 1979-5-23 304 Humboldt 880 Central Ave., McKinleyville. Comment
  SD51257  Linum bienne Darley F. Howe 1961-8-1 348 Humboldt 9.0 miles north of Arcata on Highway 101. Comment
  UC275341  Linum usitatissimum Joseph P. Tracy 1923-6-18 6279 Humboldt Northern Coast Ranges, Bear River Ridge Bear River Ridge; Northern Coast Ranges, Bear River Ridge 304 Comment
  HSC75160  Listera caurina James Lenihan 1982-5-30 Humboldt Redwood National Park. Little Lost Man Creek drainage 2/3 of way up to where creek forks 457 Comment
  HSC64187  Listera convallarioides J. O. Sawyer, M. A. Ericksen 1979-6-23 3388 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  RSA0049664  Listera cordata Dean Wm. Taylor 2011-5-4 21113 Humboldt Alderpoint Road in the vicinity of headwaters of Knack Creek 777 Comment
  SACT002876  Lithocarpus densiflorus C. White 1962-5-13 Humboldt Redwood forest along HIghway 299, 16 miles east of Arcata, ca. Comment
  CAS-BOT-BC430611  Lithophragma affine Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  UC1196501  Lithophragma affine Joseph P. Tracy 1921-4-30 6015 Humboldt Trinity River Valley near Willow Creek (Northern Coast Ranges); , Trinity River Valley, nr Willow Creek 152 Comment
  UC154138  Lithophragma affine Mrs. M. H. Manning Apr. 1902 Humboldt near Hupa; near Hupa Comment
  HSC102135  Lithophragma campanulatum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1039 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC673076  Lobularia maritima Joseph P. Tracy 1940-10-5 16750 Humboldt near beach on isthmus leading to Trinidad Head Trinidad 3 Comment
  HSC78980  Lobularia maritima L. P. Janeway 1984-12-5 1195 Humboldt N Spit of Humboldt Bay, W side Samoa Rd. near the boat ramp 5 Comment
  UC1223117  Logfia gallica Joseph P. Tracy 1948-6-13 18038 Humboldt along Larrabee Cr, halfway between Bridgeville and Blocksburg; Larrabee Creek Comment
  CAS-BOT-BC283402  Lolium multiflorum Malcom A. Nobs; S. Galen Smith 1949-8-3 1177 Humboldt Salt marshes around Fields Landing Comment
  UC1103158  Lolium temulentum Joseph P. Tracy 1909-8-1 3064 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC188800  Lolium temulentum Jos. Burtt Davy 1899-7-30 6205 Humboldt Russ Ranch Comment
  CDA38344  Lomatium californicum Kaylea Eickhoff, Cara M. Witte 2005-6-24 16 Humboldt Approx. 13 miles south of Hwy 299 on NF1. Comment
  SEINET200763  Lomatium ciliolatum Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan mountain Comment
  HSC70701  Lomatium macrocarpum Gail Newton 1980-7-15 1551 Humboldt Near Sims Mtn. 1311 Comment
  UC1167734  Lomatium macrocarpum Peter Raven with R. Snow 1958-7-20 13637 Humboldt 2.0 mi. s. junction of Titlow Hill and Friday Ridge rds. (near Grouse Mt.) Comment
  HSC40704  Lomatium tracyi Barbara Kelly, Thomas W. Nelson 1977-6-15 503 Humboldt .25 mi. past Horse Mountain Rd., along dirt road just below road to ski area 1402 Comment
  UC906647  Lomatium triternatum var. triternatum Joseph P. Tracy 1947-7-5 17778 Humboldt ridge top 1 mi. w. Mud Springs (Trinity Summit); Trinity Summit 1158 Comment
  HSC45626  Lomatium utriculatum Diane L. Reed 1978-5-27 133 Humboldt Horse Mtn., Titlow Hill Rd., 2.7 mi. from Hwy. 299 Comment
  HSC21544  Lomatium utriculatum B. R. Templeton 1962-5-24 Humboldt Grassy slopes about 19 mi. E of Arcata on Hwy. 299 Comment
  UC154111  Lomatium utriculatum J. P. Tracy 1904-5 2043 Humboldt immediate vicinity Eureka (restricted to small patch on bluff at Bucksport); Bucksport 0 Comment
  UC642350  Lomatium utriculatum Joseph P. Tracy 1930-6-29 8814 Humboldt lower foothills of its n.w. slope Buck Mt. 762 Comment
  UC1239545  Lonicera ciliosa Joseph P. Tracy 1936-8-7 15115 1/2 Humboldt 2 mi se Devil's Hole; Trinity Summit 1584 Comment
  UC168948  Lonicera hispidula var. vacillans Joseph P. Tracy 1904-7-31 2132 Humboldt Eureka Northern Coast Region 0 Comment
  CAS-BOT-BC241493  Lonicera involucrata var. ledebourii Philip A. Munz 1925-6-21 9893 Humboldt Clam Beach, no. of Eureka Comment
  HSC98252  Lotus aboriginus J. P. Tracy 1906-5-20 2462 Humboldt Eureka 0 Comment
  HSC90323  Lotus corniculatus Jean Hanson 1980-6-22 106 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka. W end of Island in mud between dikes. Comment
  UC726594  Lotus denticulatus A. A. Heller 1923-7-10 13791 Humboldt between Scotia and Pepperwood; Eel River Comment
  RSA46827  Lotus formosissimus Doris K. Kildale 1926-5-26 1642 Humboldt Old Fortuna Road. Comment
  HSC97498  Lotus micranthus Cara Witte 2007-5-21 60 Humboldt White Oak Opening. 1257 Comment
  UC15566  Lotus nevadensis var. nevadensis Harley P. Chandler 1901-6-14 1487 Humboldt Orleans to Sommes Bar; North Coast Ranges, Klamath River 426 Comment
  UC179938  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1914-7-4 4527 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1197315  Lotus pinnatus J. P. Tracy 1901-6-30 1201 Humboldt immediate vicinity Eureka 0 Comment
  SEINET12154237  Lotus pinnatus J. P. Tracy 1942-1 17134 Humboldt Englewood Prairie Comment
  UCD106710  Lotus uliginosus R. Tofsrud 1948-7-1 s.n. Humboldt Between Fields Landing and Loleta. Comment
  HSC39224  Lotus unifoliolatus var. unifoliolatus D. E. Anderson, J. P. Smith 1971-7-6 - 1319 Humboldt Rock wall near bridge over Supply Creek Comment
  HSC90246  Lotus unifoliolatus var. unifoliolatus Jean Hanson 1980-6-22 107 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. W end of Island. Comment
  UC1191765  Ludwigia hexapetala Malcolm A. Nobs and S. Galen Smith 1949-8-9 1231 Humboldt pond s. side of town of Blue Lake Comment
  UC1196933  Ludwigia palustris Joseph P. Tracy 1931-9-7 9665 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  HSC74666  Luina hypoleuca Gail Newton 1981-8-7 2423 Humboldt Near Bug Creek Butte 1244 Comment
  JEPS85687  Lupinus albicaulis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8954 Humboldt near Blake lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  HSC1872  Lupinus albifrons F. Morrell 1949-5-14 19 Humboldt Weitchpec Comment
  CHSC97960  Lupinus albifrons var. collinus Sara March; Gillian Levy 2005-6-24 14 Humboldt South of Grouse Mtn. on NF1. 1375 Comment
  HSC14777  Lupinus arboreus D. B. Bader 1963-4-1 18 Humboldt Clam Beach Lagoons, W of Hwy. 101. Along the Railroad tracks. Comment
  HSC40973  Lupinus arboreus Linda M. Barker 1976-5-13 1494 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  HSC40974  Lupinus arboreus Linda M. Barker 1976-5-13 1474 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata Comment
  OBI36383  Lupinus arboreus David J. Keil 1983-7-1 17285 Humboldt Ca. 5 mi NW of Petrolia along Mattole Rd Comment
  UC1716061  Lupinus arboreus M. S. Taylor 1990-8-22 6070 Humboldt Samoa Recreation Area, Samoa Peninsula, Staging Area Eureka Comment
  RSA98774  Lupinus arboreus var. arboreus P. A. Munz 1954-7-25 19868 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  BLMAR611  Lupinus bicolor Jennifer Wheeler 2011-4-22 611 Humboldt King range, Strawberry Rock 243 Comment
  POM10719  Lupinus bicolor H. P. Chandler 1901-05 128 Humboldt Humboldt Bay. 30 Comment
  UC156990  Lupinus bicolor Joseph P. Tracy 1900-6-5 838 Humboldt Bucksport Northern Coast Region, region about Humboldt Bay (region about Humboldt Bay) 0 Comment
  BLMAR167  Lupinus latifolius Donald Hazlett 1994-6-7 167 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC39639  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-6-16 2745 Humboldt W of Alder Springs along 2S08 1494 Comment
  HSC63290  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-6-27 938 Humboldt Jct. of Tish Tang A Tang Creek and trail through Grogan's Hole Comment
  HSC102108  Lupinus latifolius var. latifolius M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1011 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC98986  Lupinus latifolius var. latifolius Cara Witte 2008-7-2 807 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  UC865228  Lupinus latifolius var. latifolius Elizabeth Parsons Hawver June 1915 Humboldt Carlotta Comment
  HSC40961  Lupinus littoralis Linda M. Barker 1976-5-13 1495 Humboldt Lanphere-Christensen Dunes; 3 mi. W of Arcata 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
  RSA87026  Lupinus luteolus F. W. Peirson 1926-7-13 7057 Humboldt Near Blue Lake, Mad River Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC82192  Lupinus polyphyllus var. polyphyllus George Ruddock 1901-6-20 Humboldt Eureka Comment
  SEINET200687  Lupinus propinquus J. P. Tracy 1901-6-16 1141 Humboldt Bluff at Bucksport, immediate vicinity of Eureka. 152 Comment
  HSC89503  Lupinus rivularis M. Roantree 1985-5-30 76 Humboldt E side of Trinidad Head along dirt road Comment
  UC204631  Lupinus rivularis Joseph P. Tracy 1918-9-8 5099 Humboldt Eureka; Northern Coast Ranges, at Eureka 0 Comment
  RSA414417  Lupinus rivularis Bonnie C. Templeton 1964-6-11 10073 Humboldt Between Salyer and Arcata on Highway 299 Comment
  HSC100503  Luzula Carl C. Marshall May 1886 219 Humboldt Gulch E of Arcata. Comment
  HSC27555  Luzula comosa J. D. Ackerman 1973-3-27 36 Humboldt 1.5 mi. N of Manila Comment
  HSC14137  Luzula comosa Yarick 1960-8-10 Humboldt W of rd. above Camp 9, Simpson Comment
  HSC83998  Luzula comosa L. P. Janeway 1983-4-16 227 Humboldt Near the old Hwy. 299 on W side of Berry Summit. 823 Comment
  UC1152128  Luzula comosa Joseph P. Tracy 1934-6-27 11040 Humboldt in open forest Horse Mountain Horse Mountain 1432 Comment
  UC1152137  Luzula comosa Joseph P. Tracy 1938-5-8 15738 Humboldt 4 mi e town (vicinity of Carlotta, edge of woods near Cummings Creek); near Cummings Creek, vicinity of Carlotta 30 Comment
  UC103678  Luzula subsessilis Joseph P. Tracy 1918-5-5 4925 Humboldt sand dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, Ocean Beach at Humboldt Bay Comment
  RSA246934  Lycopodiella inundata R. F. Thorne, Percy C. Everett 1965-8-7 35192 Humboldt Big Lagoon, south end. 2 Comment
  CAS-BOT-BC61931  Lycopodium clavatum H. E. Parks; W. K. Parks 1932-7-30 01132 Humboldt Camp 21 Hammon Lumber Company, Trinidad 152 Comment
  HSC23836  Lycopodium clavatum R. A. Vanbianchi 1971-11-19 101 Humboldt Comment
  SEINET200596 Image available Lycopodium inundatum H. E. Parks, JP Tracy 1928-9-8 8504 Humboldt Big Lagoon Comment
  JEPS63277  Lycopus americanus Joseph P. Tracy 1924-8-31 6853 Humboldt Klamath R. at mouth of Bluff Creek; Klamath R. 91 Comment
  UC552469  Lycopus uniflorus Eleanor Armstrong 1934-8-23 1175 Humboldt Richardson Grove 121 Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  JEPS46466  Lysichiton americanus W. L. Jepson 1936-8-17 17916 Humboldt Fields Ld'g Comment
  HSC46957  Lythrum hyssopifolia J. P. Smith, Thomas W. Nelson 1977-6-30 9203 Humboldt Samoa Peninsula just E of the drag strip. Comment
  HSC38486  Madia elegans D. E. Anderson, J. P. Smith 1971-6-18 - 1066 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  HSC98092  Madia gracilis Cara Witte 2007-7-11 483 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  HSC35609  Madia gracilis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2021 Humboldt Beside Bald Hills Rd. 1 mi. E of Redwood National Park Comment
  UC495627 Image available Madia gracilis Joseph P. Tracy 1931-6-28 9588 Humboldt lower foothills of northwest slope of Buck Mountain Comment
  UCR123956  Madia madioides George K. Helmkamp, E. A. Helmkamp 2001-7-8 6972 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
  HSC95524  Madia sativa Andrea Pickart 2002-7-19 178 Humboldt Arcata Marsh at end of I St. 10 Comment
  HSC35863  Madia sativa Thomas W. Nelson, Jane P. Nelson 1975-8-5 2131 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC45076  Madia sativa R. Sutherland 1976-8-13 7 .13876 Humboldt 213 Comment
  HSC91907  Madia sativa E. Mackey 1978-7-19 Humboldt Patrick's Point State Park; middle of the road near cliffs Comment
  UCSC000290  Mahonia nervosa Beryl O. Schreiber 1934-6-5 1137 Humboldt road to Redding, 20 miles east of Blue Lake Redding, Blue Lake Comment
  CHSC10104  Maianthemum dilatatum J. W. Johnson 1962-4-21 1287 Humboldt Arcata. Along Lanphere Lane, Samoa Peninsula. Comment
  SBBG58753  Maianthemum dilatatum L. Rowntree -Jul-1931 Humboldt Carlotta Comment
  CAS-BOT-BC508514  Maianthemum dilatatum Elmer I. Applegate 1926-6-19 4726 Humboldt Crescent City Comment
  HSC59443  Maianthemum dilatatum Kenneth Clark 1979-4-21 133 Humboldt By junction of Little River Rd. and Central Ave., McKinleyville Comment
  HSC97658  Maianthemum dilatatum Danny Pineda 2001-5-3 16 Humboldt 3 mi. E of Hwy. 299 on West End Rd. 61 Comment
  RSA246767  Maianthemum dilatatum Robert F. Thorne, Percy C. Everett 1965-8-7 35178 Humboldt Big Lagoon. In bog at S end of lagoon. 2 Comment
  UC1028306  Maianthemum dilatatum George B. Rossbach 1955-6-8 223 Humboldt n. portion Prairie Creek Redwoods State Park, Rte. 101 Prairie Creek Redwoods State Park, Rte. 101 Comment
  HSC41355  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1974-8-2 507 Humboldt Horse Mtn. Comment
  RSA0009527  Maianthemum racemosum subsp. amplexicaule Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SD56734  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1963-5-26 Humboldt 3.7 miles east of Orick on Bald Hill Road. 487 Comment
  HSC56979  Maianthemum stellatum Overton, Butler 1979-7-23 9516 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  RSA377722  Maianthemum stellatum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3509 Humboldt Alder Springs 1524 Comment
  UC1223206  Malacothrix clevelandii Joseph P. Tracy 1946-11-17 17667 Humboldt at mouth Van Duzen River; Eel River at mouth of Van Duzen River Comment
  RSA25800  Malus fusca Carl B. Wolf 1941-7-28 11088 Humboldt between the redwood highway and Crannell. 8 Comment
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May 24 2020
  SEINET10838741  Malva nicaeensis Mary Susan Taylor 1982-10-24 Taylor 5182 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  OBI35884  Marah oregana David J. Keil 1983-7-1 17293 Humboldt Between Ferndale and Bear River Ridge Rd along Mattole Rd Comment
  POM67053  Marah oregana Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  UC168955  Marah oregana Joseph P. Tracy 1904-7-17 2120 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC79515  Marah oregana Kenneth Clark 1980-3-1 513 Humboldt Shelter Cove, middle alluvial terrace, Dead Man's Gulch 37 Comment
  RSA79372  Marah oregana E. K. Balls, L. W. Lenz 1952-5-12 17199 Humboldt 0.6 mi E of Dinsmore along Hwy 36 from Alton to Red Bluff. Comment
  UC562356  Marah oregana Joseph P. Tracy 1933-5-20 12227 Humboldt s of point Cape Mendocino 3 Comment
  UC552701  Melica bulbosa Joseph P. Tracy 1935-7-24 14194 Humboldt near Trinity Summit, Ranger Station; Trinity Summit 1828 Comment
  HSC92753  Melica californica Dennis Anderson 1965-5-22 3752 Humboldt On Kneeland-Bridgeville Rd. Comment
  HSC40310  Melica fugax Thomas W. Nelson, Jane P. Nelson 1976-6-22 2859 Humboldt Bog along road to Goat Hill. 1646 Comment
  UC1132271  Melica harfordii H. S. Yates 1936-6-17 5721 Humboldt near Burr Valley; South Fork Pk. Quad. 914 Comment
  UC1132276  Melica harfordii H. L. Person 1932-5-12 Humboldt 10 mi n Garberville (Redwood Highway); Briceland Quad. Comment
  UCD87370  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3453 Humboldt 2 miles north of Orleans. Klamath River. Comment
  UCD87540  Melica harfordii Peter H. Raven; R. Snow 1958-7-20 13626 Humboldt 5.3 miles southwest of Denny Post Office. Comment
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Apr 8 2014
  HSC71789  Melica subulata Gail Newton 1980-6-16 181 Humboldt Near Monks Camp. 1097 Comment
  UC188816  Melica subulata Jos. Burtt Davy and W. C. Blasdale 1899-6-22 5822 b Humboldt Trinity Summit Comment
  UC38867  Melica subulata Harley P. Chandler May 1901 1174 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  UC552706  Melica subulata Joseph P. Tracy 1935-5-25 13898 Humboldt Dobbyn Creek; Northern Coast Ranges 152 Comment
  HSC79428  Melica torreyana Kenneth Clark 1980-3-22 529 Humboldt Along access trail to Dead Man's Gulch. 76 Comment
  UC673063  Melilotus albus Joseph P. Tracy 1933-8-13 1 Humboldt along river near Blue Lake; Mad River 15 Comment
  UC1222473  Melilotus officinalis Joseph P. Tracy 1949-7-7 18337 Humboldt Blue Slide Van Duzen River 91 Comment
  UC154001  Mentha canadensis Joseph P. Tracy 1908-6 2930 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC166030  Mentzelia dispersa Joseph P. Tracy 1908-6 2843 Humboldt n/w slope Buck Mountain; Northern Coast Ranges 1219 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
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Jul 9 2015
  UC1197586  Menziesia ferruginea Joseph P. Tracy 1926-5-22 7506 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  UCD117673  Menziesia ferruginea T. I. Storer 1931-7-1 2251 Humboldt Coast. Comment
  CAS-BOT-BC348373  Micropus californicus var. californicus Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC322621  Microseris Milo S. Baker 1927-8-21 2488 a Humboldt Near Baldt Mt. 914 Comment
  UC1223203  Microseris bigelovii Joseph P. Tracy 1938-5-31 18014 Humboldt near Alder Point (along road to Harris, 1 mi sw) Comment
  RSA0106589  Microseris laciniata Joseph P. Tracy 1947-6-8 17706 Humboldt Carlotta; open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  JEPS13226  Microseris laciniata subsp. laciniata Joseph P. Tracy 1936-6-17 14942 Humboldt Bridgeville 198 Comment
  RSA215473  Microseris laciniata subsp. laciniata K. L. Chambers 1969-5-25 2928 Humboldt Highway 36, 0.9 mile west of Bridgeville Comment
  UC302189  Microseris nutans Joseph P. Tracy 1926-6-20 7620 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  HSC17187  Microsteris gracilis Elrid H. Spinas 1948-5-15 26 Humboldt Along rd. to Gouse Mtn. Lookout, 1 mi. from Hwy. 299 Comment
  POM267769  Mimulus aurantiacus var. aurantiacus Lyman Benson 1928-7-9 412 Humboldt Weott Ranger Station, Seaward N Coast mt. range, S Fork Eel River watershed 61 Comment
  UC1052478  Mimulus aurantiacus var. aurantiacus H. E. and S. T. Parks June 1951 Humboldt near landing, type locality Trinidad Comment
  POM273295  Mimulus cardinalis Lyman Benson 1928-7-5 371 Humboldt 20 mi. South Garberville, North Coast mtn range, S. Fork Eel river 457 Comment
  UC1281762  Mimulus dentatus Richard Spellenberg 1965-6-14 1133 Humboldt about 1 1/2 mi e Bayside (on road leading up to Jacoby Creek (Bayside is 2 mi s of Arcata)) Comment
  UC175712  Mimulus douglasii Joseph P. Tracy 1913-6-19 4208 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC76255  Mimulus guttatus Denis Kearns 1981-7-23 403 Humboldt Near Whiteys Peak. 1524 Comment
  RSA18014  Mimulus guttatus Carl B. Wolf 1927-8-22 779 Humboldt Big Lagoon. Comment
  UCR45415  Mimulus guttatus Kenneth Clark 1980-5-10 659 Humboldt Western Beach, Point Delgada 15 Comment
  HSC20749  Mimulus guttatus T. M. Mingo May 1965 Humboldt About 100 ft. N of the intersection of Fairhaven Dr. and old Hwy. 101 Comment
  HSC22498  Mimulus guttatus G. Ghatala 1967-7-18 6 Humboldt Comment
  HSC48658  Mimulus guttatus Mark Flippo 1978-5-22 76 Humboldt Big Hill Rd. Comment
  HSC70317  Mimulus guttatus subsp. micranthus M. A. Baker 1980-6-7 1868 Humboldt Near Ammon Creek 732 Comment
  RSA54140  Mimulus layneae H. M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. Trail. 1524 Comment
  HSC40813  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2866 Humboldt Along Rd. to Goat Hill. 1646 Comment
  RSA447971  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1977-7-4 3606 Humboldt Along road north from Alder Springs. 1524 Comment
  UC1103542  Minuartia californica Joseph P. Tracy 1925-5-30 7033 Humboldt Larribee Valley Northern Coast Ranges 701 Comment
  UC1198338  Minuartia douglasii Joseph P. Tracy 1947-7-5 17793 Humboldt Mud Springs Trinity Summit 1371 Comment
  UC249668  Minuartia douglasii Joseph P. Tracy 1921-5-30 5487 Humboldt Kneeland Prairie Northern Coast Ranges 762 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
  JEPS49685  Mitella caulescens Joseph P. Tracy 1924-6-1 6692 Humboldt Lawrence Creek Northern Coast Ranges (at the crossing of the Kneeland Rd.) 609 Comment
  UC902075  Mitella caulescens Joseph P. Tracy 1949-6-25 18348 Humboldt near Box Camp; Trinity Summit 1524 Comment
  RSA273428  Mitella ovalis M. A. Baker 1977-4-23 175 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  UC154085  Mitella ovalis Joseph P. Tracy 1901-4-26 1049 Humboldt Humboldt Hill Northern Coast Region, Region about Humboldt Bay 0 Comment
  HSC36497  Moehringia macrophylla Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1894 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC97645  Moehringia macrophylla C. Witte 2007-5-17 27 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  HSC99385  Moehringia macrophylla K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 34 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC1198327  Moehringia macrophylla Joseph P. Tracy 1927-6-12 8131 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC221777  Monardella odoratissima Doris K. Kildale 1927-7-22 3814 Humboldt Lassecks Peaks 1661 Comment
  JEPS109950  Monardella odoratissima subsp. odoratissima Dean W. Taylor 2007-7-12 20164 Humboldt Pig Toe, along the Fruit Ranch road. 762 Comment
  UC577345  Monardella odoratissima subsp. pallida Joseph P. Tracy Jul 16 1930-Jul 19 1930 8911 Humboldt South Fork Mountain, near McKay Camp; Northern Coast Ranges 1676 Comment
  CAS-BOT-BC220256  Monardella sheltonii Carl B. Wolf 1937-8-13 9223 Humboldt North Coast Range, 8 mi. E. of Hoopa Valley on New Road towards Trinity Summit 1219 Comment
  CAS-BOT-BC220259  Monardella sheltonii Henry M. Pollard 1948-7-19 s.n. Humboldt Between Orleans and Van Fleet ranch Comment
  HSC100506  Monardella villosa Carl C. Marshall Jun 1886 276 Humboldt Hoopa. Comment
  RSA0022793  Monardella villosa subsp. subserrata C. Epling, Wm. Robinson 1935-7-24 s.n. Humboldt Dyerville. Comment
  UC577376  Monardella villosa subsp. villosa Joseph P. Tracy 1937-7-11 15427 Humboldt Vicinity Garberville 121 Comment
  UC21672  Monotropa hypopitys J. Burtt Davy 1899-6-24 5773 Humboldt Hoopa Valley Comment
  BLMAR621  Montia howellii Jennifer Anthony-Wheeler 2009-5-20 521 Humboldt Lacks Creek, On main westside road on vernally wet inboard ditch behind gate 853 Comment
  CAS-BOT-BC445151  Montia parvifolia I. L. Wiggins 1932-7-7 5879 Humboldt Near Samoa Comment
  HSC31552  Montia parvifolia Glenn McGourty 1974-5-11 41 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  HSC89420  Morella californica P. A. Daly 1986-1-4 37 Humboldt Trinidad Head 61 Comment
  UCD110311  Morella californica Joseph P. Tracy 1948-4-4 17956 Humboldt Near Samoa, on Humboldt Bay. 6 Comment
  JEPS70791  Myosotis verna Joseph P. Tracy 1937-5-17 15297 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC31423  Myosurus minimus Rudy Becking 1974-5-5 Humboldt Samoa dunes near USCG Station Comment
  JEPS30068  Myrica californica Joseph P. Tracy 1931-4-12 9332 Humboldt Dows Prairie Northern Coast Ranges, Dows Prairie 60 Comment
  JEPS79935  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt meadow at McKay Camp (S. Fork Mt.); S. Fork Mt. 1676 Comment
  UC1173635  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt meadow at McKay Camp (S. Fork Mt.); S. Fork Mt. 1676 Comment
  RSA10044  Nassella pulchra Joseph P. Tracy 1927-5-8 7963 Humboldt Phillipsville 122 Comment
  UCD87653  Nassella pulchra A. H. Murphy 1951-3-30 s.n. Humboldt Mattole Valley. Along roadside near Mattole River Grange Hall. Comment
  UC907810  Navarretia atractyloides Joseph P. Tracy 1927-8-7 8307 Humboldt Willow Creek Schoolhouse Trinity River Valley, Willow Creek 152 Comment
  HSC102509  Navarretia capillaris M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1494 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC55854  Navarretia divaricata G. L. Clifton, Griswold 1979-7-25 10837 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC97972  Navarretia divaricata subsp. divaricata Cara Witte 2007-6-21 322 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  UC1008728  Navarretia intertexta Henry M. Pollard 1945-8-26 Humboldt n of Orleans (road to old mine); Klamath River Canyon Comment
  RSA15549  Navarretia mellita C. B. Wolf 1927-8-30 1250 Humboldt 3 miles S of Thorn3 miles S of Tom's Place Comment
  UC1198532  Navarretia squarrosa Joseph P. Tracy 1929-10-20 8683 Humboldt Larrabee Valley Northern Coast Ranges 701 Comment
  SEINET8729374 Image available Navarretia squarrosa H. E. Parks 1952-1 s.n. Humboldt Trinidad Comment
  POM182444  Navarretia tagetina Chestnut, E. R. Drew 1888-7-23 s.n. Humboldt Hy-Am-Pom [=Hyampom, Trinity Co?] Comment
  HSC73815  Nemophila menziesii Gail Newton 1980-6-7 123 Humboldt Near Brush Mtn. 1128 Comment
  UC1239755  Nemophila menziesii Joseph P. Tracy 1923-6-3 6251 Humboldt near Dsn McBride Place (Kneeland Prairie); , near Dan McBride Place 762 Comment
  HSC13581  Nemophila menziesii var. atomaria C. O. Baker 1962-3-22 2 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  HSC10922  Nemophila parviflora Francis Winter 1960-4-24 Humboldt 2 mi. N of Hwy. 299, on Redwood Creek Rd. 396 Comment
  HSC48844  Nemophila parviflora Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 43 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  JEPS12383  Nicotiana quadrivalvis Joseph P. Tracy 1916-9-5 4764 Humboldt 4 mi above South Fork of Eel River mouth; Northern Coast Ranges 60 Comment
  UC73585  Nicotiana quadrivalvis var. quadrivalvis Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5709 Humboldt Hoopa Valley Comment
  HSC98107  Noccaea fendleri subsp. glauca Cara Witte 2007-6-20 314 Humboldt Forest Service Road 5N09. 1/4 mile east of intersection with National Forest 1. 1394 Comment
  HSC99041  Noccaea montana subsp. montana Cara Witte 2008-7-1 777 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  UCD110186  Notholithocarpus densiflorus B. L. Kay 1955-6-7 s.n. Humboldt Wagner Ranch, 5 miles southwest Garberville. Comment
  UC582473  Nuttallanthus texanus Joseph P. Tracy 1928-5-6 8431 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CDA26036  Oemleria cerasiformis R. Bennett 1976-7-2 Humboldt 505 Palmer Boulevard, Fortuna. 0 Comment
  HSC98741  Oemleria cerasiformis Cara Witte 2008-6-2 673 Humboldt White Oak Opening. 1231 Comment
  CHSC31294  Oenanthe sarmentosa Mark Stopher 1980-6-4 106 Humboldt Along Elk River near Hwy 101 bridge. 1 Comment
  HSC21578  Oenanthe sarmentosa B. R. Templeton 1962-5-10 Humboldt Diagonal road from Humboldt State campus to 13th St., Arcata Comment
  RSA44496  Oenothera glazioviana H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region. Comment
  UCR45425  Onychium densum Thomas W. Nelson 1977-6-15 3452 Humboldt North Coast Range, [Horse Mountain] along old road to ski area 1372 Comment
  HSC16683  Orobanche californica subsp. californica D. E. Anderson 1965-10-25 4159 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  HSC16684  Orobanche californica subsp. californica Jerry Parker 1968-10-26 205 Humboldt Big Lagoon, dredged sand-spit opposite Sphagnum bog. Comment
  JEPS12001  Orobanche fasciculata Joseph P. Tracy 1935-7-30 14374 Humboldt Salmon Summit. Comment
  HSC45381  Orobanche fasciculata R. York 1978-5-20 175 Humboldt Above Bluff Creek Trail on W facing slope. 610 Comment
  UC1197451  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1922-4-30 6001 Humboldt Trinity River Valley, near Willow Creek. Comment
  UC1197583  Orthilia secunda Joseph P. Tracy 1941-8-28 17045 Humboldt South Fork Mountain near McKay Camp 1706 Comment
  CAS-BOT-BC238377  Orthocarpus Joseph P. Tracy 1935-7-24 14171 Humboldt Trinity Summit, near ranger station 1828 Comment
  HSC56006  Osmorhiza berteroi Overton, Butler 1979-7-31 11474 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC91935  Osmorhiza berteroi E. Mackey 1987-5-7 Humboldt Patrick's Point State Park, Palmer's Point Comment
  UC203876  Oxalis albicans subsp. pilosa Joseph P. Tracy 1918-11-17 5119 Humboldt Elk River Corners Northern Coast Ranges Comment
  JEPS43158  Oxalis corniculata Lincoln Constance 1934-5-29 719 Humboldt upper Look Prairie; South Fork of Eel River, Bull Creek Region 365 Comment
  HSC83316  Oxalis oregana R. W. Becking 1987-5-2 Humboldt Humboldt State University campus, adjacent to back steps on S side of Natural Resources building Comment
  SD103955  Oxalis oregana J. L. S. Simpson 1969-6-4 Humboldt In redwood forest along Highway 36. Comment
  UCD110988  Oxalis oregana T. E. Weier 1942-5-21 s.n. Humboldt near Dyerville, Highway 101. Comment
  SEINET3347161 Image available Oxalis trilliifolia Joseph P. Tracy 1923-6-24 6362 Humboldt Bald Mountain, near High Prairie 1067 Comment
  HSC79057  Packera macounii D. K. Imper 1983-7-12 659 Humboldt Blue Creek Mtn. Comment
Read comments
May 27 2013
  UC1145217  Panicum acuminatum var. acuminatum Joseph P. Tracy 1942-6-15 17153 Humboldt 1/2 mi ne Garberville; ne of Garberville 304 Comment
  UC249798  Panicum acuminatum var. acuminatum Joseph P. Tracy 1923-6-24 6350 Humboldt near High Prairie (Felt Prairie, Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  HSC23305  Papaver somniferum W. Wood Oct 1971 Humboldt McKinleyville Comment
  HSC26886  Papaver somniferum Keith Chamberlin 1973-7-24 Humboldt 10th and F St., Arcata Comment
  OBI36624  Parapholis incurva David J. Keil 1983-7-2 17303 Humboldt Humboldt Bay salt marsh at Arcata Corp Yard Comment
  CDA6200  Parentucellia viscosa D. G. Kelch 2007-7-25 7 .505 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  HSC37849  Parentucellia viscosa Peter Sorensen 1976-6-2 Humboldt Woodley Island Comment
  JEPS103920  Parentucellia viscosa T. I. and F. M. Chuang 1991-7-7 7865 Humboldt Ca 7 mi S of Orick. Comment
  UC582563  Parentucellia viscosa Joseph P. Tracy 1937-7-17 15433 Humboldt Eureka 30 Comment
  UC582564  Parentucellia viscosa Joseph P. Tracy 1923-6-18 6284 Humboldt 1 mi s from point Cape Mendocino; Northern Coast Ranges 152 Comment
  UCR30860  Parentucellia viscosa A. C. Sanders 1981-8-6 2307 Humboldt Russ Park, City of Ferndale 46 Comment
  CDA6400  Parentucellia viscosa G. D. Barbe, T. C. Fuller 1974-6-17 1827 Humboldt Murray Field, County Airport, north of Eureka. 0 Comment
  SEINET10810981  Parentucellia viscosa J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13017 Humboldt North of McKinleyville on U.S. 101 (a few kilometers north of Eureka), on northbound off-ramp (southbound labelled as Route 101 Business) leading to Clam Beach County Park. Comment
  HSC24106  Paxistima myrsinites J. O. Sawyer 1971-6-14 2378 Humboldt E Fork of Horse Linto Creek at Grizzly Camp. 1341 Comment
  HSC54592  Paxistima myrsinites Overton, Butler 1979-7-24 9660 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC582558  Pedicularis densiflora Joseph P. Tracy 1927-5-15 8060 Humboldt near summit on road w from Hoopa to Bair's; Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC50938  Pedicularis semibarbata G. L. Clifton, Walter Overton 1979-6-3 3760 Humboldt Near Pine Mtn., close to the town of Forest Glen 1495 Comment
  CAS-BOT-BC67768  Pellaea andromedifolia Doris K. Kildale 1928-12-30 6768 Humboldt Phillipsville Comment
  HSC1074  Pellaea mucronata var. mucronata J. P. Tracy 1933-6-13 12561 Humboldt Hoopa Mtn., near summit on rd. from Hoopa westward to Bair's 1067 Comment
  HSC95881  Pellaea mucronata var. mucronata Will Ferrand 2002-4-28 41 Humboldt About 0.5 mi. S of intersection of Hwy. 299 and South Fork Trinity exit 259 Comment
  UC1242078  Pellaea mucronata var. mucronata Donald Branscomb April, 1959 Humboldt Bear Butte 868 Comment
  HSC56111  Penstemon anguineus G. L. Clifton 1979-7-31 11873 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  JEPS7203  Penstemon anguineus W. L. Jepson 1902-7-24 2112 Humboldt Trinity Summit 1828 Comment
  RSA425609  Penstemon anguineus H. M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  JEPS27375  Penstemon anguineus H. W. Grinnell 1932-7-19 33 Humboldt McKay Camp South Fork Mt. 1676 Comment
  UC1222787  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1950-6-15 18782 Humboldt 7 mi n Harris (at the Jenk's Ranch); n of Harris, at the Jenk's Ranch Comment
  UC1586982  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-11 1548 Humboldt ne Bee Mountain; Six Rivers National Forest, ne of Bee Mountain 609 Comment
  HSC41280  Penstemon laetus subsp. sagittatus Brad Klipfel 1974-6-25 441 Humboldt Horse Mtn., along ridge running to the E of Horse Mtn. proper Comment
  JEPS11624  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
  NY604551  Penstemon laetus var. sagittatus J. P. Tracy 1933-7-25 12827 Humboldt Horse Mountain 1432.6 Comment
  SEINET3360831 Image available Penstemon newberryi subsp. berryi Joseph P. Tracy 16-19 July 1930 8953 Humboldt South Fork Mountain; along summit near Blake lookout. 1707 Comment
  HSC63246  Penstemon newberryi var. berryi M. A. Baker 1979-6-27 932 Humboldt E of Oregon Creek Comment
  HSC59451  Penstemon newberryi var. berryi Richard Runyon 1979-6-27 40 Humboldt NW of Trinity Summit Station, W of ridge trail 1829 Comment
  HSC32129  Penstemon purpusii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5585 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  JEPS7918  Penstemon rattanii Joseph P. Tracy 1921-6-12 5822 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1011931  Penstemon rattanii F. W. Pennell and J. P. Tracy 1940-7-8 26105 Humboldt Kneeland 670 Comment
  HSC28928  Pentagramma triangularis Diane Johnson 1972-12-4 Humboldt Butler Valley near Big Bend Rd. Comment
  HSC70388  Pentagramma triangularis Gail Newton 1980-6-7 143 Humboldt Near Brush Mtn. 1128 Comment
  RSA0070753  Pentagramma triangularis Doris K. Kildale 1928-12-29 6765 Humboldt Stevens Grove. Comment
  UC1197323  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1941-8-12 17051 Humboldt 2 mi s Fields Landing 6 Comment
  UC314588  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1923-6-3 6255 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC906650  Perideridia gairdneri subsp. borealis Joseph P. Tracy 1942-9-20 17324 Humboldt 2 mi s Fields Landing 3 Comment
  JEPS14224  Perideridia howellii Joseph P. Tracy 1930-10-26 9237 Humboldt Valley of South Yager Creek 762 Comment
  HSC12557  Persicaria maculosa D. La Conte 1970-8-11 15 Humboldt Along side of creek intersecting Campton Rd. Comment
  UC1215535  Petasites frigidus var. palmatus D. E. Anderson 1962-12-9 2346 Humboldt e of Humboldt State College campus Comment
  UCD134927  Petasites frigidus var. palmatus R. N. Raynor 1935-3-13 s.n. Humboldt Fort Seward. Comment
  RSA183572  Petasites palmatus R. I. Bonn 1965-3-5 4 Humboldt 4 miles west of Arcata on Samoa Road. Comment
  HSC97931  Petrorhagia dubia Cara Witte 2007-6-14 272 Humboldt Along National Forest 1. Near Kinsey Ridge and cattle guard. 3 miles north of intersection with 4N09. 1393 Comment
  CHSC110702  Phacelia corymbosa Dean Wm. Taylor 2004-6-24 19129 Humboldt North Coast Ranges. Horse Mountain, along Titlow Hill Road 0.4 miles north from the junction with the road to the mountain summit. 1310 Comment
  RSA275310  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1977-7-4 3576 Humboldt At head of North Fork of Conley creek. 1463 Comment
  HSC102541  Phacelia hastata subsp. hastata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1527 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  UC1199106  Phacelia heterophylla subsp. virgata Joseph P. Tracy 1945-7-4 17512 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC562566  Phacelia mutabilis Joseph P. Tracy 1932-7-12 10432 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1228236  Phacelia nemoralis subsp. oregonensis C. R. Bell 1951-5-4 1098 Humboldt bank below US Hwy 101 2.9 mi n Mendocino County line Comment
  SEINET200962 Image available Phalaris californica J. P. Tracy 1912-7-25 3819 Humboldt Kneeland Prairie N Coast Ranges 762 Comment
  CAS-BOT-BC76526  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-22 4739 Humboldt Near Alder Point Comment
  UC154152  Philadelphus lewisii Mrs. M. H. Manning 1900-1 Humboldt Hupa Comment
  UC187278  Phleum alpinum Joseph P. Tracy 1906-7-1 2514 Humboldt Eureka; Northern Coast Region 0 Comment
  UCD89305  Phleum alpinum Don Hagar 1957-8-6 s.n. Humboldt Jackson Hole, west slope of the Trinity Summit area. 1645 Comment
  JEPS71114  Phlox gracilis Joseph P. Tracy 1935-7-23 14146 Humboldt Corral Prairie Trinity Summit 1584 Comment
  RSA609411  Phoradendron villosum Louis C. Wheeler 1958-8-7 7370 Humboldt Fort Baker Manganese Mine. Comment
  HSC36086  Phyllospadix scouleri McCready 1959-11-8 Humboldt Near Trinidad Head Comment
  UC1541675  Physocarpus capitatus W. K. Parks June 1932 Humboldt vicinity of Trinidad Comment
  CAS-BOT-BC73444  Picea sitchensis Carl B. Wolf 1930-10-28 1037 Humboldt 5 miles south of Ferndale on road to Petrolia. 152 Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  UC400255  Pinus contorta subsp. contorta P. E. Goddard 1901-8-1 Humboldt North Humboldt Bay Comment
  NY49716  Pinus contorta var. contorta R. E. Anderson 1987-3-28 172 Humboldt Patrick's Point State Park, on west Rim Trail 30 Comment
  RSA46681  Pinus contorta var. contorta Doris K. Kildale 1937-8-12 15084 B Humboldt South Fork Mountain. Comment
Read comments
Jun 21 2012
  HSC37669  Pinus jeffreyi R. Sutherland 1967-8-27 27 .876 Humboldt Elk Ridge, Bulk Collection # 107 716 Comment
Read comments
Apr 30 2013
  CAS-BOT-BC79029  Pinus ponderosa Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC36773  Pinus sabiniana Brent Whitely 1975-7-10 153 Humboldt 198 Comment
  HSC104336  Piperia candida James Regan, Humboldt Redwood Co., LLC 2016-7-1 29 Humboldt Bear River, at Nelson and Harmonica Creeks. 40.38939 N, -124.084639 W; 427 Comment
  UC13528  Piperia elegans Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  CAS-BOT-BC137277  Piperia elegans Mrs. H. C. Cantelow 1940-7-6 4062 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC1196428  Piperia transversa Joseph P. Tracy 1937-7-11 15419 Humboldt Garberville 152 Comment
  HSC48719  Pityopus californicus M. A. Baker 1979-6-8 807 Humboldt S side of Gan's Prairie. Bulk Collection 166 Comment
  HSC65967  Pityopus californicus M. A. Baker 1980-7-20 3043 Humboldt Near Bell Swamps 11 Comment
  JEPS61027  Plagiobothrys hispidulus Joseph P. Tracy 1932-7-10 10386 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC41225  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1977-6-19 3497 Humboldt Above Alder Springs 1585 Comment
  HSC3765  Plagiobothrys nothofulvus Doris K. Kildale 1926-5-2 1891 Humboldt Willow Creek Rd., Horse Mtn. Divide Comment
  UC526820  Plagiobothrys reticulatus Joseph P. Tracy 1933-5-20 12244 Humboldt Mattole Valley near Petrolia; Northern Coast Ranges, Mattole Valley 30 Comment
  UC668231  Plagiobothrys reticulatus Joseph P. Tracy 1938-6-17 15963 Humboldt s of point Cape Mendocino 3 Comment
  CDA40667  Plagiobothrys reticulatus P. Haggard 1972-8-16 s.n. Humboldt West End Road, Blue Lake. 0 Comment
  JEPS60990  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1912-6-9 3680 Humboldt Alton Northern Coast Region 30 Comment
  JEPS60998  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1937-6-20 15335 Humboldt ten mi up stream from mouth; Bear River 152 Comment
  UC1239624  Plagiobothrys tenellus Joseph P. Tracy 1918-5-1 4910 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1222196  Plagiobothrys trachycarpus Joseph P. Tracy 1948-5-31 17987 Humboldt Robertson's Ranch halfway between Garberville and Harris; Robertson's Ranch 609 Comment
  JEPS14285  Plantago erecta J. P. Tracy 1919-4-27 5133 Humboldt opposite Eureka (Ocean Beach); Samoa Comment
  UC1196138  Plantago erecta Joseph P. Tracy 1938-7-12 16057 Humboldt Table Bluff, w of light house Table Bluff 6 Comment
  UC179952  Plantago lanceolata Joseph P. Tracy 1914-5-30 4484 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC62906  Plantago maritima J. M. DiTomaso 1979-5-20 1057 Humboldt Above College Cove at Elks Head, 1 mi. N of Trinidad. Comment
  HSC90480  Plantago maritima Jean Hanson 1981-5-10 136 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  UC154020  Plantago subnuda J. P. Tracy 1903-8-9 1937 Humboldt immediate vicinity Eureka 0 Comment
  HSC55103  Platanthera dilatata G. L. Clifton 1979-7-31 11835 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC48856  Platanthera dilatata var. leucostachys Brad Klipfel 1973-7-15 215 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55192  Platanthera dilatata var. leucostachys G. L. Clifton, Griswold 1979-8-2 12266 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC27463  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-6-30 90 Humboldt Big Lagoon State Park, 8 mi. N of Trinidad 0 Comment
  UCSC000161  Platanthera leucostachys W. Jan Rowe 1967-1 Humboldt Comment
  UC275576  Platanthera sparsiflora Joseph P. Tracy 1923-6-24 6369 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC35089  Platystemon californicus W. C. Blasdale 1896-6-2 Humboldt W. Eureka Comment
  HSC49518  Plectritis macrocera R. York 1979-4-16 232 Humboldt E of Samoa drag strip. Comment
  HSC10611  Pleuropogon refractus R. Spellenberg 1965-6-14 1134 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  SEINET200956 Image available Pleuropogon refractus J. P. Tracy 1922-6-18 6095 Humboldt Head of Middle Yager Creek. 762 Comment
  UC1103800  Pleuropogon refractus Joseph P. Tracy 1905-4-2 2158 Humboldt 1 mi below Blue Lake (on Mad River); Northern Coast Ranges, Mad River 60 Comment
  UC1145106  Pleuropogon refractus Joseph P. Tracy 1950-7-2 18961 Humboldt 6 mi. n.e. Hawkins Bar (at Fern Spring, Happy Camp Mt..); Trinity Summit Range, Happy Camp Mt., Fern Spring 1280 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
  RSA10119  Poa Joseph P. Tracy 1933-7-26 12911 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  UC525625  Poa annua Joseph P. Tracy 1934-3-11 13148 Humboldt Weitchpec 121 Comment
  UCD90580  Poa bolanderi A. H. Murphy 1951-8-17 90 Humboldt near Cold Spring Lookout, South Fork Mtn., ca. 15 miles northeast of Bridgeville. Near Trinity County line. 1219 Comment
  HSC73055  Poa compressa M. A. Baker 1980-7-23 3139 Humboldt Near Orleans Mtn. 1859 Comment
  RSA183609  Poa confinis R. I. Bonn 1965-5-7 27 Humboldt Four miles west of Arcata on Lamphere Rd. Comment
  JEPS71272  Poa douglasii unknown 1925-8-2 119 Humboldt Samoa Comment
  UC1132658  Poa douglasii H. S. Yates 1936-6-18 5726 Humboldt near mouth Little River; Eureka Quadrangle Comment
  POM161908  Poa howellii Joseph P. Tracy 1921-4-24 5451 Humboldt Phillipsville. Facing south fork of Eel River. 91 Comment
  SEINET200574 Image available Poa kelloggii Joseph P. Tracy 1911-6-4 3219 Humboldt Along Little River, 5 miles from the coast. 122 Comment
  UC187251  Poa kelloggii Joseph P. Tracy 1911-6-4 3219 Humboldt along Little River (5 mi from coast); Northern Coast Region 121 Comment
  CAS-BOT-BC254280  Poa macrantha Joseph P. Tracy 1933-5-20 12224 Humboldt Cape Mendocino, S of point of the Cape, near ocean shore 30 Comment
  CAS-BOT-BC255942  Poa pratensis Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC26535  Poa pratensis J. P. Smith 1971-10-9 5001 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC75699  Poa pratensis Bill Copeland 1980-6-26 565 Humboldt Near Snow Camp Lake 1372 Comment
  UC525615  Poa pratensis subsp. pratensis Joseph P. Tracy 1926-5-9 7469 1/2 Humboldt valley s of South Yager Creek; Northern Coast Ranges 762 Comment
  UC1565801  Poa secunda subsp. juncifolia R. Spellenberg 1990-7-10 10247 Humboldt 8 mi wsw Salyer (at 6 mi s of Berry Summit (on CA Hwy 299), extreme e edge of county) 1371 Comment
  HSC70687  Poa secunda subsp. secunda Gail Newton 1980-7-13 1572 Humboldt Near Sims Mountain. 1311 Comment
  HSC41373  Poa trivialis J. O. Sawyer 1970-6-24 2277 Humboldt W of Mill Creek Lakes. 1677 Comment
  UC1145117  Poa trivialis Joseph P. Tracy 1937-6-6 15330 Humboldt Ferndale 15 Comment
  UCD92111  Poa trivialis Joseph P. Tracy 1950-6-8 18723 Humboldt Bear River Ridge. 609 Comment
  JEPS62463  Pogogyne serpylloides Joseph P. Tracy 1921-6-12 5829 Humboldt Butler Valley 152 Comment
  UC1988935  Pogogyne zizyphoroides Joseph P. Tracy 1938-7-5 16005 Humboldt Carlotta 5 miles east of town, open flat by old Strong's District School House 45 Comment
  UC162581  Polemonium carneum Ethel Tracy 1911-6-18 Humboldt near Big Lagoon; Northern Coast Ranges, near Big Lagoon 30 Comment
  HSC17225  Polygala californica J. Wendell Howe 11 May [year missing] Humboldt Kneeland Comment
  CAS-BOT-BC167574  Polygala cornuta var. cornuta Joseph P. Tracy 1936-8-30 15182 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  SEINET10537775  Polygonum Mary Susan Taylor 1990-8-22 Taylor 6081 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  HSC31424  Polygonum aviculare R. F. Thorne, P. Everett 1965-8-8 35244 Humboldt N edge of Eureka, E of Hwy 101 5 Comment
  HSC12591  Polygonum aviculare C. Kline 1970-11-9 64 Humboldt .5 mi. N of Bayside, Bayside Rd. Comment
  UC672972  Polygonum bistortoides Joseph P. Tracy 1927-6-18 8171 Humboldt Bear River Ridge 609 Comment
  CDA2769  Polygonum capitatum Gordon Leppig, Sylvia Leppig 2000-4-16 1298 Humboldt Corner 17th and J Street, Arcata. Comment
  CAS-BOT-BC414464  Polygonum douglasii Joseph P. Tracy 1930-6-21 8779 Humboldt Larrabee Valley 731 Comment
  HSC55188  Polygonum douglasii G. L. Clifton, Griswold 1979-8-2 12251 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC76039  Polygonum douglasii Overton, Butler 1979-8-2 12577 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC55509  Polygonum douglasii subsp. spergulariiforme Mrs. M. H. Manning 1900-1 Humboldt Hupa Comment
  CHSC32964  Polygonum paronychia J. P. Smith; Advanced Taxonomy Class 1971-10-6 4957 Humboldt Dunes at the end of Murray Road in McKinleyville. Comment
  HSC43417  Polygonum paronychia R. Sutherland 1978-2-18 1 .18278 Humboldt Mouth of Mattole River 8 Comment
  RSA246682  Polygonum paronychia Robert F. Thorne, Percy C. Everett 1965-8-5 35163 Humboldt Samoa Dunes. 3 Comment
  UC55514  Polygonum paronychia Harley P. Chandler May, 1901 1157 Humboldt Samoa North Coast Ranges, Humboldt Bay (sandhills) 3 Comment
  CAS-BOT-BC419956  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1933-7-25 12868 Humboldt Grouse Mountain 1524 Comment
  UCR246784  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Central Coast, near Trinidad, Patricks Point Drive at Seawood Drive, east of Hwy 101 91 Comment
Read comments
Jan 27 2015
  CDA2926  Polygonum polystachyum T. C. Fuller 1961-9-27 7040 Humboldt Slope of bluff north above mouth of Redwood Creek, 1.5 miles west of Orick. 0 Comment
  UC1052470  Polygonum sachalinense H. E. and S. T. Parks July 1952 24448 Humboldt Hwy 10 s Elk River Bridge Comment
  UC1222469  Polygonum sawatchense subsp. oblivium Joseph P. Tracy 1935-7-14 14082 Humboldt Grouse Mountain 1524 Comment
  HSC1107  Polypodium californicum C. O. Baker 1962-3-22 4 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  HSC33651  Polypodium californicum Margaret Weatherwax 1975-6-26 7 Humboldt Road from Korbel to Maple Creek, 2 mi. SW of Korbel Comment
  HSC37827  Polypodium californicum Thomas W. Nelson, Jane Nelson 1976-2-21 2250 Humboldt Tish-Tang campground Comment
  CAS-BOT-BC76846  Polypodium glycyrrhiza Doris K. Kildale 1926-2-22 1468 Humboldt Dobbyns Creek Comment
  RSA46707  Polypodium glycyrrhiza Doris K. Kildale 1929-3-10 6942 Humboldt Bug Creek Comment
  HSC95649  Polypodium scouleri Andrea Pickart 2002-4-5 40 Humboldt Lanphere Dunes 0 Comment
  HSC59125  Polypogon australis Terry Roth 1979-4-28 17 Humboldt Glendale exit off of Hwy. 299, gravel road towards Mad River 30 Comment
  UC207735  Polypogon interruptus Joseph P. Tracy 1916-9-5 4765 Humboldt 4 mi above mouth South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC39737  Polypogon interruptus Harley P. Chandler June, 1901 1332 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 304 Comment
  UCD91028  Polypogon interruptus Joseph P. Tracy 1936-6-8 14871 Humboldt Trinidad. 9 Comment
  UCSC000004  Polypogon interruptus H. S. Yates 1936-6-16 5678 Humboldt 1 mile N.E. of Samoa 3 Comment
  UC1103194  Polypogon monspeliensis Joseph P. Tracy 1918-7-1 4966 Humboldt along Eel River from South Fork to Scotia Holmes Flat; Northern Coast Ranges, along Eel River 60 Comment
  UC1145084  Polypogon monspeliensis Joseph P. Tracy 1936-6-8 14872 Humboldt mouth of Luffenholz Creek Trinidad (Trinidad); Coast bluffs at mouth of Luffenholz Creek 9 Comment
  UC34073  Polypogon monspeliensis J. P. Tracy 1901-7-24 1217 Humboldt immediate vicinity Eureka 0 Comment
  HSC72980  Polystichum imbricans Gail Newton 1980-7-15 1578 Humboldt Near Sims Mtn. 1311 Comment
  HSC98660  Polystichum munitum Cara Witte 2007-7-26 597 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1443 Comment
  HSC12935  Polystichum munitum C. E. Fellows 1970-11-28 339 Humboldt HSU campus, N side of Bio. Sci. Greenhouse Comment
  HSC79146  Polystichum munitum C. J. Thomas 1984-9-25 117 Humboldt In Redwood forest immediately behind HSU fieldhouse 79 Comment
  UC249777  Polystichum munitum Joseph P. Tracy 1924-8-10 6803 Humboldt near Strongs Station (on Van Duzen River); Northern Coast Ranges 60 Comment
  HSC7226  Populus trichocarpa R. E. Thill 1965-4-24 18 Humboldt 100 yds. from Town & Country Trailer Park beside Mad River Comment
  UCSB30604  Potamogeton natans Edwards, David 1974-7-26 Humboldt Pond ca. 50 ft. NW of Grand Rd., ca. 1.5 mi. SW. of Korbel and ca. 1/2 mi. NE. of Mad River 18 Comment
  HSC17758  Potamogeton nodosus R. L. Jarvis 1962-4-29 35 Humboldt Turner draw, 3 mi. N of Arcata on Hwy. 101 15 Comment
  JEPS393  Potamogeton pectinatus Joseph P. Tracy 1934-7-20 13462 Humboldt Big Lagoon 3 Comment
  HSC96488  Potentilla anserina subsp. pacifica Gordon Leppig 1997-8-3 633 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  HSC100909  Potentilla gracilis Carl C. Marshall Jun 1886 268 Humboldt Bald Hills. Comment
  HSC101969  Potentilla gracilis var. fastigiata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 865 Humboldt Patterson Meadows 1566 Comment
  HSC58182  Potentilla gracilis var. fastigiata G. L. Clifton, Griswold 1979-8-2 12270 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC49151  Proboscidea louisianica Garry Markegard 1979-9-11 Humboldt Along Bald Hills Rd. ca. 400 ft. N of the Rd. between Williams Ridge and Cagle Ridge at old stage stop ca. 12 mi. from Jct. with State Route 101, Simpson property, Mr. Emmss caretaker, adjacent to vegetable garden. Comment
  HSC74648  Prosartes hookeri M. A. Baker 1980-5-17 1211 Humboldt Near Le Perron Peak 792 Comment
  UCSB666  Prosartes smithii Parks, H.; Parks, S. 1952-05 Humboldt Spruce Cove, Trinidad 30 Comment
  CAS-BOT-BC517510  Prosartes smithii Doris K. Kildale 1930-4-27 9563 Humboldt Prairie Creek, near Orick Comment
  HSC49178  Prosartes smithii J. O. Sawyer 1977-4-23 2848 Humboldt Bluff Creek Campground Comment
  HSC23488  Prunella vulgaris subsp. lanceolata R. A. Vanbianchi 1971-9-24 87 Humboldt Comment
  RSA22550  Prunella vulgaris var. lanceolata H. E. Parks, S. T. Parks 1937-07 24052 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC1124438  Prunella vulgaris var. lanceolata H. L. Person 1932-7-16 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  UC1196732  Prunella vulgaris var. lanceolata Joseph P. Tracy 1934-7-22 13487 Humboldt at crossing of Iaqua-Bridgeville road North Yager Creek 396 Comment
  CAS-BOT-BC159979  Prunus emarginata H. E. McMinn 1922-8-5 354 Humboldt Along Van [Dusen] Duzen River Comment
  CAS-BOT-BC159980  Prunus emarginata Joseph P. Tracy 1934-9-5 13656 Humboldt Horse Mountain 1402 Comment
  JEPS44946  Prunus emarginata Joseph P. Tracy 1924-4-20 6638 Humboldt near Fortuna (Northern Coast Ranges); Northern Coast Ranges 60 Comment
  UC492199  Prunus virginiana var. demissa Joseph P. Tracy 1928-8-5 8493 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  UC1223106  Pseudognaphalium thermale Joseph P. Tracy 1948-9-5 18184 Humboldt on ridge 2 mi e Grove's Prairie (near Elk Camp on the Grizzly Camp Road); Trinity Summit 1524 Comment
  HSC44052  Pseudotsuga menziesii var. menziesii Thomas W. Nelson, Jane P. Nelson 1977-4-23 3345 Humboldt Tributary to Blanket Creek 1463 Comment
  HSC76289  Pseudotsuga menziesii var. menziesii Teresa Prendusi 1981-7-9 248 Humboldt Near Slate Creek Butte 1122 Comment
  UCD135113  Pseudotsuga menziesii var. menziesii Linda M. Barker 1976-9-3 1689 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC361930  Psilocarphus tenellus M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale on road to Garberville Comment
  UC1222909  Psilocarphus tenellus Joseph P. Tracy 1946-5-30 17543 Humboldt 5 mi e Carlotta (by old Strong's District School House, and at Riverside Park nearby) 60 Comment
  UC1223167  Psilocarphus tenellus Joseph P. Tracy 1950-5-30 18713 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC102554  Pteridium aquilinum var. pubescens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1542 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC99408  Pteridium aquilinum var. pubescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 57 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC1162  Pteridium aquilinum var. pubescens R. F. Good 1962-5-23 21 Humboldt Surrounding Arcata 60 Comment
  UC249782  Pteridium aquilinum var. pubescens Joseph P. Tracy 1923-10-28 6589 Humboldt Bald Mt.; Northern Coast Ranges 762 Comment
  RSA178581  Pterospora andromedea Joseph P. Tracy 1950-8-8 19274 Humboldt 3 miles east of Box Camp. Comment
  UC1197761  Pterospora andromedea Joseph P. Tracy 1947-7-9 17857 Humboldt Horse Mt. 1432 Comment
  CAS-BOT-BC421116  Pterostegia drymarioides Joseph P. Tracy 1933-5-20 12226 Humboldt Cape Mendocino. South of point of the Cape. 30 Comment
  CAS-BOT-BC466038  Pyrola picta L. B. Kildale 1930-8-3 10364 Humboldt Chaparral Mt. near Bug Creek 914 Comment
  RSA0080453  Pyrola picta C. B. Wolf 1937-8-13 9259 Humboldt North coast range, 11 mi. E. of Hoopa Valley on new road toward Trinity Summit. 1524 Comment
  UC32670  Pyrola picta Chesnut and Drew 1888-7-12 Humboldt Jarnigan's Comment
  CAS-BOT-BC62673  Quercus chrysolepis Doris K. Kildale 1926-3-21 1689 Humboldt McDowell Butte, Kneeland Prairie 914 Comment
  CAS-BOT-BC94306  Quercus garryana Roxana S. Ferris 1955-7-11 12973 Humboldt Summit of US Highway 299 betw. Willow Creek and Blue Lake Comment
  UC175930  Quercus garryana Joseph P. Tracy 1912-7-31 3930 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  UC54686  Quercus garryana Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5854 Humboldt Trinity Summit, at lake near the top North Coast Ranges Comment
  SEINET12034478  Quercus garryana K. S. Erdman 1970-1 4764 Humboldt Schoolhouse Peak on Bald Hills Road about 16 mi S of Orick,T9N,R2E,Sec24 914 Comment
  CAS-BOT-BC105165  Quercus kelloggii Doris K. Kildale 1928-3-31 4384 Humboldt 3 miles N of Gaberville on Redwood Highway Comment
  HSC8263  Quercus kelloggii Francis Winter 1960-4-24 Humboldt 1.0 mi. N of Redwood Creek Ranch 396 Comment
  UC54719  Quercus kelloggii Mrs. M. H. Manning Oct 1901 Humboldt Hupa Comment
  HSC102199  Quercus sadleriana M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1113 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  JEPS49020  Quercus sadleriana Hilda W. Grinnell 1932-7-9 4 Humboldt above Kerlin Creek; South Fork Mt. 1524 Comment
  UC1196539  Quercus vacciniifolia Joseph P. Tracy 1932-7-18 10721 Humboldt Head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  UC303003  Quercus vacciniifolia Joseph P. Tracy 1926-5-30 7522 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  UCR165264  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt Six Rivers National Forest (formerly part of Trinity National Forest) on Horse Mountain at junction of road to Grouse Mt. and road to Horse Mt. Mine 1463 Comment
  HSC34119  Ranunculus alismifolius var. hartwegii J. O. Sawyer 1971-6-16 2386 Humboldt Headwaters of Tish Tang a Tang Creek 1829 Comment
  HSC26276  Ranunculus aquatilis var. diffusus Thomas W. Nelson 1971-5-29 453 Humboldt E side of the Big Bend Rd. near Maple Creek Comment
  UC1196240  Ranunculus californicus J. P. Tracy 1901-4-7 1005 Humboldt immediate vicinity of Eureka 0 Comment
  UC184009  Ranunculus californicus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3612 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC18137  Ranunculus californicus var. californicus C. O. Baker 1962-3-22 8 Humboldt 2 mi. S of Trinidad along old Hwy. 101 183 Comment
  UC1196227  Ranunculus occidentalis Joseph P. Tracy 1921-4-24 5458 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 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
  HSC18169  Ranunculus occidentalis var. occidentalis Francis Winter 1960-5-7 Humboldt NE end of Arbor Camp Ridge 915 Comment
  UC1196248  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1921-6-12 5827 Humboldt Butler Valley Northern Coast Ranges 152 Comment
  UC249653  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1922-5-21 6050 Humboldt Fieldbrook Northern Coast Ranges 60 Comment
  CDA3495  Ranunculus parviflorus B. F. Kemp 1958-5-5 396 -58 Humboldt Loleta. 0 Comment
  HSC32043  Ranunculus parviflorus J. D. Ackerman 1974-6-12 317 Humboldt 1 mi. N of Manila between Mad River Slough and sand dunes Comment
  HSC18181  Ranunculus repens J. C. Reppas 1963-4-11 36 Humboldt 820 Fickle Hill Rd. Comment
  JEPS81053  Ranunculus sardous Thomas Nelson and Doris Niles 1979-5-19 4696 Humboldt Crab Park Ferndale Quad., Eel River (tidal marsh mouth of river, n of County Park) Comment
Read comments
Sep 9 2008
  UC162792  Ranunculus uncinatus J. P. Tracy 1901-5-21 1104 Humboldt Immediate vicinity of Eureka 0 Comment
  UC1199217  Raphanus sativus J. P. Tracy 1906-4-29 2427 Humboldt immediate vicinity of Eureka 0 Comment
  UC902202  Rhamnus californica Joseph P. Tracy 1947-9-14 17931 Humboldt Kneeland Prairie 762 Comment
  LA207876  Rhamnus purshiana Doris K. Kildale; 1929-6-25 8394 Humboldt Eureka, Pine's Pasture Comment
  UC630477  Rhamnus purshiana H. E. and S. T. Parks 1935-5-1 5541 Humboldt Spruce Cove Trinidad 64 Comment
  CAS-BOT-BC56614  Rhododendron macrophyllum Ella Dales Cantelow 1936-5-17 1235 Humboldt 9 mi. e. of Orick Comment
  HSC7873  Rhododendron macrophyllum P. Markle 1962-5-22 54 Humboldt End of 18th St., Arcata Community Forest Comment
  CHSC19505  Rhododendron neoglandulosum Norman Dennis 1965-6-3 143 Humboldt Big Lagoon County Park, southwest corner of Big Lagoon. Comment
  CAS-BOT-BC433142  Ribes Doris K. Kildale 1927-5-13 3136 Humboldt Redwood Creek at Berry's 289 Comment
  HSC103198  Ribes binominatum Jade Paget-Seekins 2010-7-6 39 Humboldt On the western shore of Red Cap Lake, to the left of the rocky slope. (Accessible via a few hour hike from the High Point trailhead outside of Forks of Salmon.) 1754 Comment
  HSC97217  Ribes bracteosum M. Mesler 2007-3-23 743 Humboldt Near Trinidad, trail from Mill Creek to Elk Head, along creek near beach. 23 Comment
  HSC99479  Ribes bracteosum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 138 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), between Six Rivers National Forest boundary and Box Camp 1433 Comment
  RSA152409  Ribes inerme Joseph P. Tracy 1941-3-26 16813 Humboldt Lack Pond: in Trinity River Valley, opposite mouth of Willow Creek. 152 Comment
  UC1198951  Ribes inerme var. klamathense Joseph P. Tracy 1935-5-30 13915 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC667072  Ribes inerme var. klamathense Joseph P. Tracy 1937-4-3 15243 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC58055  Ribes lacustre G. L. Clifton, Griswold 1979-8-1 11921 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  CAS-BOT-BC176807  Ribes laxiflorum Doris K. Kildale 1927-4-10 3080 Humboldt Prairie Creek, north of Orick Comment
  CAS-BOT-BC173359  Ribes lobbii Peter H. Raven; R. Snow 1958-7-20 11632 Humboldt 12.8 miles south-west of United States 299 on Friday Ridge Road to Grouse Mountain, 0.2 miles north-east of Titlow Hill road junction Comment
  CAS-BOT-BC173368  Ribes lobbii J. H. Thomas 1949-6-13 912 Humboldt Along trail between Le Perron Flat and Whiteys Peak. Six Rivers National Forest. (East of town of Orleans) 1371 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
  JEPS49356  Ribes lobbii W. L. Jepson 1902-7-16 2038 Humboldt Trinity Summit 2133 Comment
  CAS-BOT-BC206039  Ribes menziesii Joseph P. Tracy 1935-3-3 13713 Humboldt Dow's Prairie 60 Comment
  HSC44292  Ribes menziesii Barbara Kelly 1977-4-23 306 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA0021772  Ribes menziesii Doris K. Kildale 1927-6-25 3570 Humboldt Shelter Cove. Comment
  JEPS49190  Ribes roezlii Joseph P. Tracy 1923-3-17 6159 Humboldt Garberville Northern Coast Ranges 121 Comment
  UCR270273  Ribes roezlii John F. Emmel 2003-7-30 1799 Humboldt North Coast Range, Redwood National Park, 16.6 road miles southeast of Hwy 101 on Bald Hills Road, c. 0.3-0.4 air mile west of Schoolhouse Peak 823 Comment
  SEINET13942766 Image available Ribes roezlii R. Earing, C. Cavanaugh, C. Collins 1987-1 96 Humboldt T6N, R4E, sec 19. 24 miles East of Blue Lake on Titlow hill road approx. 1/2 mile from Hwy. 299. Elevation 2,800 ft. Collected on a slope below road 853 Comment
  CAS-BOT-BC198904  Ribes roezlii var. cruentum Peter H. Raven; R. Snow 1958-7-20 13630 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  UC154116  Ribes sanguineum var. glutinosum J. P. Tracy 1909-3-29 2948 Humboldt immediate vicinity Eureka 0 Comment
  RSA0018247  Ribes sanguineum var. glutinosum Lyman Benson 1928-7-10 615 Humboldt Clam Beach, Trinidad. 30 Comment
  HSC103209  Ribes viscosissimum Jade Paget-Seekins 2010-6-30 32 Humboldt Grouse Mountain on Forest Route 1 at the fork with Grouse Mountain Road. 1578 Comment
Read comments
Mar 8 2016
  HSC76261  Ribes viscosissimum Teresa Prendusi 1981-7-21 276 Humboldt Near Whiteys Peak 1646 Comment
  UC667028 Image available Ribes viscosissimum Joseph P. Tracy 1933-7-16 12788 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  CAS-BOT-BC362905  Rigiopappus leptocladus Alice Eastwood; John Thomas Howell 1937-6-23 4816 Humboldt 5 miles east of Bridgeville Comment
  SEINET3069103 Image available Romanzoffia tracyi J. P. Tracy, H. E. Parks 1933-5-9 11008 Humboldt Vicinity of Trinidad 20 Comment
  CAS-BOT-BC74513  Rorippa curvisiliqua Joseph P. Tracy 1931-9-7 9667 Humboldt Trinity River Valley, at Willow Creek. 152 Comment
  UC14402  Rorippa curvisiliqua Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  UC183622  Rorippa curvisiliqua Joseph P. Tracy 1913-6-20 4220 Humboldt Dinsmore's Ranch opposite Buck Mountain (in valley of Van Duzen River); Northern Coast Ranges, in valley Van Duzen River, Buck Mt 762 Comment
  UC14401  Rorippa palustris Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC902157  Rosa Joseph P. Tracy 1947-6-5 17814 Humboldt near Box Camp; Trinity Summit 1524 Comment
  CAS-BOT-BC146492  Rosa gymnocarpa L. B. Kildale 1930-9-9 10402 Humboldt Bald Mountain 914 Comment
  HSC57039  Rosa gymnocarpa Overton, Butler 1979-7-24 9675 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS48709  Rosa gymnocarpa Hilda W. Grinnell 1932-7-9 1 Humboldt McKay Camp So. Fork Mt. 1676 Comment
  POM117575  Rosa gymnocarpa Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  SEINET200819  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain ,viz. Ridge north of Willow Creek, between Willow and Campbell Creeks, near the summit 1219 Comment
  HSC98790  Rosa gymnocarpa var. gymnocarpa Cara Witte 2007-6-14 278 Humboldt Along National Forest 1. Near Kinsey Ridge. 3/4 mile south of intersection with 4N06. 1256 Comment
  CAS-BOT-BC146824  Rosa nutkana Harley P. Chandler 1901-5-1 1198 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC146840  Rosa nutkana Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  HSC19617  Rosa nutkana A. E. Inman 1962-5-25 Humboldt N bank of Mad River, S of Azalea Hill Rd. Comment
  JEPS45642  Rosa nutkana var. nutkana Joseph P. Tracy 1923-6-22 6345 Humboldt Angels Ranch Bald Mt.; Northern Coast Ranges, Bald Mt. 457 Comment
  UC1199025  Rosa nutkana var. nutkana Joseph P. Tracy 1926-5-15 7479 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC183612  Rosa nutkana var. nutkana Joseph P. Tracy 1912-7 3753 &3985 Humboldt Eureka Northern Coast Region 0 Comment
  CAS-BOT-BC148347  Rosa pisocarpa Doris K. Kildale 1928-6-24 5238 Humboldt Redwood Creek at Berry's 289 Comment
  UC667036  Rosa pisocarpa Joseph P. Tracy 1934-7-18 13416 Humboldt Grouse Mt. 1432 Comment
  CAS-BOT-BC148220  Rosa spithamea L. R. Abrams 1918-6-15 7102 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  HSC12760  Rubus armeniacus M. J. Athey 13 Oct [year missing] 15 Humboldt Trinidad Comment
  JEPS44732  Rubus lasiococcus Joseph P. Tracy 1932-7-16 10640 Humboldt in fir woods near Corral Prairie; Klamath Mountains, Trinity Summit, nr Corral Prairie 1524 Comment
  CAS-BOT-BC148384  Rubus leucodermis Doris K. Kildale 1927-7-3 3662 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC147247  Rubus parviflorus Harold E. Parks; Joseph P. Tracy 1942-5-16 11562 Humboldt Vicinity of Garberville 152 Comment
  HSC58061  Rubus parviflorus G. L. Clifton, Griswold 1979-8-1 11937 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC70811  Rubus parviflorus Gail Newton 1980-7-23 1748 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC89607  Rubus parviflorus M. Roantree 1985-8-25 11 Humboldt E side of Trinidad Head along paved rd. Comment
  OBI35883  Rubus parviflorus David J. Keil 1983-7-1 17292 Humboldt Between Ferndale and Bear River Ridge Rd along Mattole Rd Comment
  UCSC000369  Rubus parviflorus Unknown 1975-5-30 52 Humboldt Eureka; T.P.L. Co., Freshwater Comment
  CAS-BOT-BC156726  Rubus spectabilis W. C. Blasdale 1896-5-31 s.n. Humboldt Eureka Comment
  CAS-BOT-BC156729  Rubus spectabilis Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka Comment
  HSC19688  Rubus spectabilis S. J. Hawks 1965-4-3 16 Humboldt Luffenholtz Beach Comment
  HSC19692  Rubus ursinus W. L. Jepson 1932-8-8 16528 Humboldt Weott 305 Comment
  HSC76413  Rudbeckia californica Michael Ericksen 1981-8-21 1082 Humboldt Near Dan East Cabin 1609 Comment
  UC672931  Rumex acetosella Joseph P. Tracy 1930-7-17 9028 Humboldt near McKay Camp; South Fork Mountain 1676 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
  HSC44539  Rumex acetosella Brad Klipfel 1973-7-15 155 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC89592  Rumex acetosella M. Roantree 1985-5-24 60 Humboldt E side of Trinidad Head Comment
  SEINET10479364  Rumex acetosella Mary Susan Taylor 1977-8-2 Taylor 1424 Humboldt In mountains above and east of Eureka. Comment
  HSC39979  Rumex crassus Linda M. Barker 1976-8-2 1672 Humboldt Lanphere- Christensen Dunes, 3 mi. W of Arcata Comment
  CAS-BOT-BC421524  Rumex crassus Doris K. Kildale 1926-8-12 2481 Humboldt Moonstone Beach near Trinidad Comment
  HSC64441  Rumex crispus J. P. Smith, Steve Selva 1970-6-14 3851 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UCD101135  Rumex crispus Lincoln Constance 1934-5-26 659 Humboldt South Fork Eel River. North Dyerville Flat grove, near Founders' Tree. 48 Comment
  CDA2887  Rumex pulcher T. C. Fuller 1958-6-17 589 -58 Humboldt Hydesville. 0 Comment
  JEPS385  Ruppia maritima Joseph P. Tracy 1938-7-15 16079 Humboldt Mouth of Eel River 3 Comment
  UC1116232  Sagina apetala Joseph P. Tracy 1948-4-11 17965 Humboldt 2 mi. e. Dyerville (Eel R.); Eel R. 48 Comment
  HSC40219  Sagina apetala Barbara Kelly 1977-4-6 290 Humboldt N Spit 100 yds. W of Coast Guard Station Comment
  UCD99147  Salicornia pacifica Gordon Leppig 1998-8-6 995 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  UC490587  Salix Joseph P. Tracy 1932-4-17 9798 Humboldt Alton to Fortuna; Northern Coast Region, Eel R. 15 Comment
  CAS-BOT-BC103454  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt in McKay Meadow, Trinity Summit 1524 Comment
  UC1173608  Salix eastwoodiae Joseph P. Tracy 1935-7-26 14267 Humboldt meadows at Water Dog Lakes; Trinity Summit 1828 Comment
  CAS-BOT-BC103818  Salix exigua Harold E. Parks 1931-5-14 0964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  JEPS12968  Salix exigua Joseph P. Tracy 1931-9-7 9642 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  POM214872  Salix exigua Carleton R. Ball, Harold E. Parks, Joseph P. Tracy 1932-5-17 1336 Humboldt Above Trinity River. 1 mile below bridge on Trinity Hwy. 152 Comment
  UC490572  Salix exigua Joseph P. Tracy 1932-9-3 10763 Humboldt Alton to Fortuna (opposite Fortuna); Northern Coast Region, Eel R. 15 Comment
  UC481302  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 970 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  CAS-BOT-BC104096  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0975 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC104099  Salix hindsiana Harold E. Parks; Joseph P. Tracy 1931-5-17 0969 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  RSA0038361  Salix hindsiana var. leucodendroides Harold E. Parks 1931-8-25 01061 Humboldt Blue Slide, Van Duzen River. 90 Comment
  CAS-BOT-BC106861  Salix hookeriana W. J. Ferlatte 1967-6-13 1117 Humboldt near mouth of Mad River 3 Comment
  CAS-BOT-BC107732  Salix hookeriana Harold E. Parks 1931-3-26 905 Humboldt Alton, on Van Duzen River 15 Comment
  HSC19957  Salix hookeriana C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-11 1211 Humboldt 1 mi. N of Samoa, near coast 0 Comment
  JEPS12929  Salix hookeriana Joseph P. Tracy 1931-4-4 9329 Humboldt near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  JEPS13091  Salix hookeriana Joseph P. Tracy 1936-2-23 14772 Humboldt Fortuna; bank of Eel River 15 Comment
  POM219324  Salix hookeriana H. E. Parks 1931-5-28 999 Humboldt Little River Lagoon. 0 Comment
  UC1196549  Salix hookeriana Joseph P. Tracy 1943-11-28 17453 Humboldt Alton to Fortuna (Eel R.); Eel R. 15 Comment
  UC1196552  Salix hookeriana Joseph P. Tracy 1939-7-9 16328 Humboldt Snow Camp 1402 Comment
  UC1225775  Salix hookeriana Joseph P. Tracy 1948-4-4 17957 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC1225924  Salix hookeriana Joseph P. Tracy 1947-8-31 17930 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC481393  Salix hookeriana Harold E. Parks 1931-3-24 912 Humboldt Fortuna Eel River (banks of river) 10 Comment
  UC492343  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC492344  Salix hookeriana Harold E. and Susan T. Parks 1932-4-10 1103 a Humboldt Little River Lagoon Trinidad Comment
  UC512106  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1207 Humboldt 4 1/2 mi s Trinidad; Little River Lagoon Comment
  UC512120  Salix hookeriana Harold E. Parks and Joseph P. Tracy 1933-3-19 11005 Humboldt 2 mi w Bridgeville; Van Duzen River 228 Comment
  UC518897  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 5 Humboldt around Eureka Comment
  UC519335  Salix hookeriana Joseph P. Tracy 1933-10-15 13093 Humboldt near Miranda (along S. Fork Eel R.); North Coast Ranges, S. Fork Eel R. 91 Comment
  RSA0034648  Salix hookeriana Harold E. Parks 1931-5-28 01000 Humboldt Little River Lagoon. Comment
  JEPS12975  Salix laevigata Joseph P. Tracy 1932-4-23 9835 Humboldt between Miranda and Redway (S. Fork of Eel River); Northern Coast Ranges 91 Comment
  HSC96616  Salix lasiandra var. lasiandra Gordon Leppig 2005-4-8 2205 Humboldt N Spit Swamp, W side of highway 3 Comment
  SJSU164  Salix lasiandra var. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  CAS-BOT-BC107578  Salix lasiolepis Joseph P. Tracy 1934-3-25 13166 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107600  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107618  Salix lasiolepis Harold E. Parks 1931-3-31 9328 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107624  Salix lasiolepis Joseph P. Tracy 1932-4-24 9803 Humboldt South Fork of Eel River, between Miranda and Redway 91 Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  HSC96369  Salix lasiolepis Gordon Leppig 1999-4-15 1119 Humboldt Big Lagoon County Park, Big Lagoon Bog, W fen edge 3 Comment
  JEPS12910  Salix lasiolepis Joseph P. Tracy 1927-3-27 7870 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  SJSU222  Salix lasiolepis H. E. Parks 1931-5-14 963 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC1196612  Salix lasiolepis Joseph P. Tracy 1926-8-12 7759 Humboldt Redwood Creek, at Berry's 274 Comment
  UC1222296  Salix lasiolepis Joseph P. Tracy 1950-4-20 18623 Humboldt gravel bar in river 10 mi se Dinsmore's (about 4 mi se of Kuntz); Van Duzen River Comment
  UC437300  Salix lasiolepis J. P. Tracy 1904-3-6 2003 Humboldt Immediate vicinity of Eureka 0 Comment
  UC469403  Salix lasiolepis Joseph P. Tracy 1931-9-20 9689 Humboldt near R.R. Station Trinidad; Northern Coast Region, Trinidad 60 Comment
  UC469404  Salix lasiolepis H. E. Parks and Joseph P. Tracy 1931-5-23 9436 Humboldt vicinity of Trinidad (near R.R. Station); Northern Coast Region 60 Comment
  UC469417 Image available Salix lasiolepis Joseph P. Tracy 1927-8-7 8305 Humboldt Redwood Creek, at Berry's 274 Comment
  UC504020  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-13 1254 Humboldt 2 mi E of Redwood Highway ( Mad River at Engelhart gravel pit, above Blue Lake) Comment
  UC512000  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1236 Humboldt Van Duzen R. at Blue Slide; Van Duzen R., Blue Slide 91 Comment
  UC526716  Salix lasiolepis Joseph P. Tracy 1934-3-11 13146 Humboldt Weitchpec Northern Coast Ranges, Klamath River 91 Comment
  POM220140  Salix lasiolepis var. bigelovii H. E. Parks, Joseph P. Tracy 1931-5-17 976 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  RSA47086  Salix melanopsis Doris K. Kildale 1926-9-9 2690 Humboldt Low gap of Mod River. Comment
  UC1196567  Salix melanopsis Joseph P. Tracy 1932-5-1 9847 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC512011  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
  UC55408  Salix melanopsis Harley P. Chandler June, 1901 1519 Humboldt North Coast Ranges, Klamath R. 426 Comment
  UC55940  Salix melanopsis J. P. Tracy 1900-9-9 943 Humboldt Yager Creek near Hydesville (along slough); Yager Creek Comment
  POM92416  Salix melanopsis L. R. Abrams 1922-6-25 8227 Humboldt 6 miles N of Garberville Comment
  CAS-BOT-BC129208  Salix piperi Doris K. Kildale 1928-3-27 4359 Humboldt Freshwater Comment
  CAS-BOT-BC129210  Salix piperi Doris K. Kildale 1929-2-28 6951 Humboldt Mad River at Essex Comment
  SEINET12003513  Salix piperi J. P. Tracy 1950-1 19366 Humboldt On foothills of the Cape Ridge, 0.5 mi S of town, 1 mi inland from Cape Mendocino 61 Comment
  CAS-BOT-BC129138  Salix scouleriana Joseph P. Tracy 1932-7-13 10507 Humboldt Open ground at Corral Prairie - Trinity Summit, Klamath Mountains 1524 Comment
  CAS-BOT-BC129160  Salix scouleriana Joseph P. Tracy 1937-3-21 15236 Humboldt Van Duzen River, near Grizzly Creek 91 Comment
  HSC20075  Salix scouleriana J. P. Tracy 1932-7-17 10694 Humboldt Klamath Mtns., Trinity summit, Head of Devil's Hole 1829 Comment
  HSC56010  Salix scouleriana Gilbert Muth 1979-7-31 11493 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  LA208917  Salix scouleriana Harold E. Parks; 1931-5-12 951 Humboldt Bishop Pine Lodge; Trinidad 150.0 Comment
  POM280931  Salix scouleriana Lyman D. Benson 1929-7-15 1823 Humboldt Weott Ranger Station. Comment
  POM280933  Salix scouleriana Lyman D. Benson 1929-7-14 1810 Humboldt Weott Ranger Station, South Fork Eel River. Comment
  SD883  Salix scouleriana Harold E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 449 Comment
  UC1173585  Salix scouleriana Joseph P. Tracy 1937-3-14 15232 Humboldt Redwood Creek at Berry's; North Coast Ranges, , Redwood Creek 274 Comment
  UC249646  Salix scouleriana Joseph P. Tracy 1923-1-7 6136 Humboldt Table Bluff Northern Coast Ranges, Table Bluff 91 Comment
  UC490536  Salix scouleriana Joseph P. Tracy 1932-7-13 10518 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  JEPS14763  Salix sitchensis Joseph P. Tracy 1932-8-27 10745 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  UC146204  Salix sitchensis Joseph P. Tracy 1904-3-6 2001 Humboldt immediate vicinity of Eureka 0 Comment
  UC302155  Salix sitchensis Joseph P. Tracy 1926-3-14 7392 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC481394  Salix sitchensis Harold E. Parks 1931-3-24 913 Humboldt Eel R. Fortuna; Eel R. 10 Comment
  UC490531  Salix sitchensis Joseph P. Tracy 1932-7-18 10724 Humboldt head of Brett Hole; Klamath Mts., Trinity Summit, Brett Hole 1828 Comment
  RSA168918  Salsola tragus Joseph P. Tracy 1950-8-20 19323 Humboldt Klamath River, near Slate Creek; Below Orleans 8 miles. 122 Comment
  RSA28377  Sambucus callicarpa E. K. Balls, P. C. Everett 1953-10-12 18633 Humboldt moist ditches, road to Crannell, 0.5 mi. E from Hwy 101, near first overhead bridge. 15 Comment
  HSC58198  Sambucus nigra subsp. caerulea G. L. Clifton, Griswold 1979-8-2 12300 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC36228  Sambucus racemosa var. racemosa John Rehling 1975-4-21 53 Humboldt Along Jolly Giant Creek behind HSU campus. Comment
  UC1225816  Sambucus racemosa var. racemosa Joseph P. Tracy 1947-8-24 17912 Humboldt e Box Camp; Trinity Summit 1676 Comment
  HSC26452  Sanicula arctopoides T. O. Osborne 1970-5-17 18 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  HSC45369  Sanicula arctopoides R. York, Linda York 1978-4-1 101 Humboldt Growing on foredunes at end of Lighthouse Rd., 2 mi. SE of Petrolia Comment
  HSC21619  Sanicula bipinnatifida Eldrid H. Spinas 1948-5-22 46 Humboldt Horse Mountain Comment
  HSC39006  Sanicula bipinnatifida Thomas W. Nelson, Jane P. Nelson 1976-5-31 2648 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  HSC21629  Sanicula bipinnatifida D. E. Anderson, N. J. Cole 1965-4-13 13 Humboldt 2 1/2 mi. SE of Maple Creek Rd. junction with Bald Hills Road, SE of Korbel Comment
  UC314592  Sanicula crassicaulis Joseph P. Tracy 1923-6-19 6292 Humboldt Northern Coast Ranges, Upper Mattole Valley Upper Mattole Valley; Northern Coast Ranges, Upper Mattole Valley 152 Comment
  UC154126  Sanicula crassicaulis Joseph P. Tracy 1908-6 2748 Humboldt Northern Coast Ranges, Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC1197094  Sanicula graveolens Joseph P. Tracy 1926-5-30 7520 Humboldt near Ruby Creek (Northern Coast Ranges, Willow Creek Canyon); Northern Coast Ranges, Willow Creek Canyon 609 Comment
  UC642319  Sanicula laciniata Joseph P. Tracy 1938-3-27 15701 Humboldt along South Fork of Eel River, Miranda South Fork Eel River; , Miranda 121 Comment
  CHSC60487  Sanicula tracyi Lisa D. Hoover 1992-6-16 Humboldt Six Rivers National Forest. East side of Whiting Ridge off Route 1 before 'Last Chance Ridge' approximately 27 miles off Hwy 299. 1267 Comment
  HSC101038  Sanicula tracyi A. Thoele, D. Pederson 1995-7-2 61 Humboldt East side of Pilot Creek, FB5 (fuel break) skid trail. 1188 Comment
  UC1197326  Sanicula tracyi Joseph P. Tracy 1913-6-19 4202 Humboldt opposite Buck Mtn (Dinsmore's Ranch); North Coast Ranges, Van Duzen River Valley 762 Comment
  HSC70958  Sanicula tuberosa Thomas W. Nelson 1977-6-15 3433 Humboldt Along FS Rd. 6N01 about 1 mi. S of junction with FS Rd. 5N10 1372 Comment
  UC1239685  Satureja douglasii Joseph P. Tracy 1911-7-5 3332 Humboldt in woods along Willow Creek (tributary of Trinity River) (near its mouth); Northern Coast Ranges 152 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
  CHSC92413  Schoenoplectus mucronatus Gordon Leppig 2004-9-1 2196 Humboldt Eel River at Holmes Flat. Gravel bar on east edge of river. UTM Zone 10, 420903E, 447244N. 400 Comment
  UC1103647  Scirpus pungens Joseph P. Tracy 1934-10-21 13689 Humboldt along coast in front of South End of Stone Lagoon Dry Lagoon 3 Comment
  UC668005  Scirpus tabernaemontani H. E. Parks and Joseph P. Tracy 1931-5-17 9421 Humboldt Lack Pond Trinity River Valley, Lack Pond (opposite Willow Creek) 152 Comment
  CAS-BOT-BC361311  Scoliopus bigelovii Richard R. Halse 2013-3-28 8766 Humboldt Along U.S. Hwy. 101 ca. 2.2 miles S of Exit 671 to Pepperwood 76 Comment
  SEINET12058059  Scoliopus bigelovii F. H. Utech 1988-3-4 88 -026 Humboldt 12.7 mi E on CA 36 from jct US 101 & Van Duzen River, Grizzly Creek Redwoods, O.R. Cheatam Grove 90 Comment
  HSC21128  Scrophularia californica C. B. Wolf 1927-8-29 1207 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC21131  Scrophularia californica A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek junction, 100 yards W of Lindsey Creek Comment
  UC1011941  Scrophularia californica F. W. Pennell and J. P. Tracy 1940-7-6 26081 b Humboldt w Lolita (Table Bluff) 1 Comment
  HSC90314  Scrophularia californica Jean Hanson 1981-5-10 139 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, W end of island Comment
  HSC98088  Scutellaria antirrhinoides Cara Witte 2007-7-11 481 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  HSC14402  Scutellaria californica H. E. Parks 1934-7-6 5118 Humboldt Iaqua-Yager Creek 762 Comment
  UC154010  Scutellaria tuberosa Joseph P. Tracy Jul 27 1908-Jul 30 1908 2717 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC25878  Scutellaria tuberosa C. C. Marshall 1888-1 Humboldt Comment
  CAS-BOT-BC63879  Sedum laxum subsp. heckneri Joseph P. Tracy 1935-7-30 14363 Humboldt Salmon summit. 1767 Comment
  HSC40703  Sedum laxum subsp. heckneri Thomas W. Nelson, Jane P. Nelson 1976-7-1 2898 Humboldt Along ridge N of Bear Creek 1463 Comment
  HSC74192  Sedum laxum subsp. heckneri M. A. Baker 1980-7-23 3134 Humboldt Near Orleans Mtn. 1859 Comment
  HSC57176  Sedum obtusatum subsp. retusum Overton, Butler 1979-7-26 9997 Humboldt Near Willow Creek 1341 Comment
  UC205179  Sedum radiatum Charlotte M. Wilder 1912-10-1 Humboldt Upper Van Duzen River, along trail Upper Van Duzen River 914 Comment
  UCD39981  Sedum spathulifolium Rodney Gale Myatt 1971-9-22 1203 Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  UC11264  Sedum spathulifolium C. C. Marshall 1888-1 Humboldt Comment
  HSC71086  Sedum stenopetalum Thomas W. Nelson, Jane Nelson 1977-5-30 3405 Humboldt Large rock downstream from Anderson's Ford 640 Comment
  SEINET200600  Selaginella oregana J. P. Tracy 1928-4-29 8426 Humboldt Prairie Creek 153 Comment
  POM182453  Selaginella wallacei Joseph P. Tracy 1912-7-26 3850 Humboldt Kneeland Prairie. 762 Comment
  UC1225807  Selaginella wallacei Joseph P. Tracy 1948-5-31 17998 Humboldt Harris 609 Comment
  CDA8588  Senecio bolanderi var. bolanderi Gordon Leppig, M. Renner 2005-6-7 2246 Humboldt Pacific Lumber Company land. Redwood House Road, Hely Creek watershed. Comment
  UC1118079  Senecio glomeratus H. S. Yates 1936-6-18 5735 Humboldt 2 mi n Big Lagoon; Rocky Pt Quad. 30 Comment
  HSC6116  Senecio integerrimus D. E. Anderson 1962-5-1 2195 Humboldt 2 mi. W of Hoopa Comment
  HSC56353  Senecio integerrimus var. major Griswold, Butler 1979-7-10 6324 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC98548  Senecio integerrimus var. major Cara Witte 2008-6-9 696 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1509 Comment
  JEPS37228  Senecio integerrimus var. major W. L. Jepson 1902-6-19 1888 Humboldt Ft. Seward Ranch 1219 Comment
  UC545823  Senecio minimus H. E. Parks 1931-9-1 1058 Humboldt Trinidad 76 Comment
  UCSC000817  Senecio sylvaticus H. L. Person 1932-7-18 s.n. Humboldt Eureka, Freshwater, Forest: T4NRIE Comment
  HSC102100  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1003 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC102598  Senecio triangularis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1585 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC53962  Senecio triangularis Griswold, Butler 1979-7-11 7015 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC100447  Senecio vulgaris Carl C. Marshall Mar 1886 139 Humboldt Logging camps. Comment
  CAS-BOT-BC85840  Sequoia sempervirens Joseph P. Tracy 1926-2-21 7355 Humboldt Blue Slide, on Van Duzen River 91 Comment
  SEINET10612358  Sequoia sempervirens Joseph P. Tracy 1935-12-8 Tracy 14764 Humboldt Near Korbel. Scattering trees left in logged area, fruiting abundantly. 305 Comment
  CHSC40213  Sherardia arvensis L. P. Janeway 1984-5-13 775 Humboldt Along the Kneeland/Bridgeville Road ca 15 mi east of the Kneeland post office just past Lone Star Junction and near Lone Star Creek. 609 Comment
  UC169027  Sherardia arvensis Joseph P. Tracy 1906-5-6 2446 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC602551  Sherardia arvensis Joseph P. Tracy 1935-5-25 13883 Humboldt Dobbyn Creek 152 Comment
  HSC102917  Sidalcea M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1094 Humboldt Patterson Meadows 1555 Comment
  CAS-BOT-BC205577  Sidalcea malachroides F. H. Utech 1986-5-23 86 -399 Humboldt Ca. 3.0 mi NW of Petrolla on Mattole Road (Humboldt Co. hwy F3C) enroute to Capetown 80 Comment
  POM256469  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt Fickle Hill, 6 miles southeast of Arcata. 610 Comment
  UC1222506  Sidalcea malachroides Joseph P. Tracy 1950-6-8 18743 Humboldt one mi e Cape Mendocino (near top of Cape Ridge); e of Cape Mendocino, Cape Ridge 152 Comment
  UC1197974  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1935-6-23 13978 Humboldt French Camp Ridge 1066 Comment
  HSC75946  Sidalcea malviflora subsp. nana Overton, Butler 1979-7-24 9725 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  HSC98003  Sidalcea malviflora subsp. nana Cara Witte 2007-7-25 582 Humboldt Forest Service Road 5N10. Approximately 1/2 mile north of intersection with Forest Service Road 5N10C. 1270 Comment
  UC668134  Sidalcea malviflora subsp. patula Joseph P. Tracy 1936-6-9 14877 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 609 Comment
  UC902191  Sidalcea malviflora subsp. patula Harold E. Parks May 1949 Humboldt Bear River Ridge 609 Comment
  HSC104343  Sidalcea malviflora subsp. patula James Regan, Humboldt Redwood Co., LLC 3 Humboldt McKinleyville; Dow's Prairie, near Arcata Airport 61 Comment
  UC668133  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-8-12 15653 Humboldt Snow Camp 1402 Comment
  HSC102531  Sidalcea oregana subsp. oregana M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1517 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  RSA20781  Sidalcea oregana subsp. spicata Carl B. Wolf 1937-8-13 9245 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  HSC35031  Silene bolanderi Thomas W. Nelson, James Nelson 1975-5-24 1849 Humboldt McKeown Ranch, N of Dinsmore. Comment
  RSA183641  Silene californica D. E. Anderson 1965-5-15 3709 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  UCR123953  Silene californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 6965 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  SEINET6905325  Silene californica Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland. Comment
  JEPS23250  Silene campanulata Joseph P. Tracy 1932-7-18 10704 Humboldt head of Brett Hole , head of Brett Hole (Trinity Summit) 1828 Comment
  HSC32481  Silene campanulata subsp. glandulosa Bonnie Prange 1974-5-18 Humboldt Off Hwy. 299 at China Slide. Comment
  POM160266  Silene campanulata subsp. glandulosa Joseph P. Tracy 1926-6-20 7623 Humboldt Horse Mountain. 1524 Comment
  CAS-BOT-BC387080  Silene gallica H. E. Parks; S. T. Parks 1936-6-1 5634 Humboldt Spruce Cove, Trinidad Comment
  CAS-BOT-BC387079  Silene gallica Doris K. Kildale 1926-5-16 1844 Humboldt Lindsey Creek in Lower Mad River Comment
  HSC62895  Silene gallica J. M. DiTomaso 1979-5-20 1053 Humboldt Sand at Big Lagoon Park, 8 mi. N of Trinidad Comment
  HSC79418  Silene gallica Kenneth Clark 1980-5-10 637 Humboldt W slopes above Dead Man's Gulch 122 Comment
  UC1115828  Silene hookeri Joseph P. Tracy 1939-5-14 16283 Humboldt lower foothills of nw slope Buck Mountain 914 Comment
  SEINET10479233  Silene hookeri subsp. bolanderi Botany 1985-4-20 BOTANY s.n. Humboldt T34n,r6e,sec.14,h.m.; Burnt ranch campground off hwy 299. Open area near a Meadow 433 Comment
  CAS-BOT-BC389054  Silene laciniata subsp. californica Doris K. Kildale 1928-6-24 7060 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC389065  Silene laciniata subsp. californica Mrs. E. C. Van Dyke 1931-6-30 s.n. Humboldt Willow Creek Comment
  HSC44729  Silene laciniata subsp. californica Maralyn O'Meara 1972-6-8 78 Humboldt Along Bald Hills Rd, 16.4 mi. E of junction with Hwy. 101 Comment
  HSC91874  Sisyrinchium californicum E. Mackey 1986-5-13 Humboldt Patrick's Point State Park Comment
  UC1409181  Sisyrinchium californicum Robert F. Thorne and P. Everett 35177 Humboldt at s end of Big Lagoon 1 Comment
  JEPS62108  Smilacina racemosa W. L. Jepson 1902-7-24 2114 Humboldt 1/2 mi below summit; Trinity Summit 2133 Comment
  UC15049  Smilacina racemosa Mrs. M. H. Manning April, 1901 13 Humboldt near Hupa Comment
  UC666971  Smilacina stellata Joseph P. Tracy 1932-7-12 10455 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  JEPS12067  Solanum americanum Lincoln Constance 1934-6-2 786 Humboldt Bull Creek Road to mouth of (and up) Bull Creek (Bull Creek Region, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  HSC89504  Solanum furcatum M. Roantree 1985-5-30 72 Humboldt E side of Trinidad Head along dirt road Comment
  NY821311  Solanum laciniatum H. H. Smith 1911-6-17 3857 Humboldt Samoa Comment
  BLMAR139  Solanum xanti Donald Hazlett 1994-6-7 139 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  RSA47125  Solidago canadensis subsp. elongata Doris K. Kildale 1928-8-17 1211 Humboldt Trinity Summit 1829 Comment
  RSA473662  Solidago canadensis subsp. elongata M. B. Dunkle 1936-8-18 4812 Humboldt Fortuna. Comment
  CAS-BOT-BC365443  Solidago elongata W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  HSC102577  Solidago elongata M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1564 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC56455  Solidago elongata Griswold, Butler 1979-7-12 7232 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC581770  Solidago elongata Joseph P. Tracy 1927-8-22 8346 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC365666  Solidago spathulata Alice Eastwood 1923-8-14 12322 Humboldt Samoa Comment
  CAS-BOT-BC365669  Solidago spathulata Doris K. Kildale 1928-8-10 6263 Humboldt Samoa Peninsula - Humboldt Bay Comment
  HSC6199  Solidago spathulata J. W. Johnson 1961-8-17 1042 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  UC165033  Solidago spathulata J. P. Tracy 1901-8-7 1268 Humboldt opposite Eureka (Ocean Beach of Samoa); Samoa Comment
  SBBG62991  Solidago velutina var. californica R. Hartwell 1938-8-4 Humboldt near Eureka Comment
  HSC6219  Sonchus asper Paul Shields 1955-6-16 Humboldt HSC Campus Comment
  HSC21348  Sparganium emersum D. E. Anderson 1961-9-9 1788 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  JEPS32230  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-BC235368  Spartina densiflora Malcom A. Nobs; S. Galen Smith 1949-8-3 1180 Humboldt Near mouth of the Elk River, ca. 4 miles south of Eureka on Highway 101 Comment
  CAS-BOT-BC236608  Spartina foliosa W. A. Silveus 1938-7-10 2966 Humboldt Eureka Comment
  LA39194  Spartina foliosa W. A. Silveus; 1938-7-10 2966 Humboldt Eureka Comment
  UCD92983  Spartina foliosa Gordon Leppig 1998-8-6 992 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  CDA19921  Spartium junceum R. Spadoni 2002-6-26 PDR P 070828 Humboldt Northern California; Vicinity of Garberville. 0 Comment
  HSC4233  Spergula arvensis W. Lanphere 1937-4-20 Humboldt College Campus Comment
  HSC4241  Spergula arvensis S. R. Johnson 1965-3-14 2 Humboldt 1.5 mi N of Luffenholtz Beach Comment
  UC1198348  Spergula arvensis subsp. arvensis Joseph P. Tracy 1935-4-11 13774 Humboldt Eureka 30 Comment
  POM188638  Spergularia macrotheca Marcus E. Jones 1931-7-16 28873 Humboldt Arcata. Comment
  CHSC804  Stachys ajugoides var. rigida 1941-5-30 Humboldt Comment
  UCLA70847  Stachys ajugoides var. rigida Joseph P. Tracy 1937-8-12 15652 Humboldt Snow Camp 1402 Comment
  UCLA71142  Stachys ajugoides var. rigida Joseph P. Tracy 1938-8-21 16131 Humboldt in front of s end Stone Lagoon (along coast); Dry Lagoon 3 Comment
  JEPS63019  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  CHSC109578  Stachys mexicana B. Castro; L. P. Janeway 2004-9-11 1475 Humboldt North Coast. Near blocked S end of Little River Road 0.25 mi N of Central Avenue; near S end of Clam Beach. Low ground, flats partially shaded by alder trees festooned with English ivy; base of steep slopes of coatal terrace, back edge of beach stabilized dunes along old road. 4 Comment
  HSC76521  Stachys rigida var. rigida Michael Ericksen 1981-8-21 1083 Humboldt Near Dan East Cabin 1609 Comment
  HSC100419  Stellaria longipes Carl C. Marshall May 1886 227 Humboldt Near H. and S to mill E of Arcata. Comment
  UC1198340  Stellaria nitens Joseph P. Tracy 1933-6-13 12563 Humboldt near Hoopa Mountain summit (on road w from Hoopa to Bair's); Northern Coast Ranges, Hoopa Mountain 1066 Comment
  HSC99075  Stellaria nitens C. Witte 2007-5-10 16 Humboldt Along National Forest 1, near Kinsey Ridge. .2 miles south of intersection with 5N04. 1451 Comment
  HSC70964  Stipa lemmonii Gail Newton 1980-7-15 1584 Humboldt Near Sims Mtn. 1311 Comment
  CAS-BOT-BC87618  Streptanthus tortuosus Volney Rattan 1878-1-1 s.n. Humboldt Unpsecified. Comment
  UC1198800  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1932-5-17 10089 Humboldt river bar Northern Coast Ranges, Trinity River Valley 152 Comment
  UC492252  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1932-7-12 10457 Humboldt head of Brett Hole Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC269568  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-29 1782 Humboldt Old Coast Road at Honeydew Post Office 152 Comment
  HSC73239  Symphoricarpos albus var. laevigatus M. A. Baker 1980-5-18 1320 Humboldt Near Black Mountain. 360 Comment
  UC1175131  Symphoricarpos albus var. laevigatus P. C. Everett and E. K. Balls 1959-10-25 23959 Humboldt 14 mi w Willow Creek (along U.S. Hwy 299 to Arcata) 502 Comment
  CAS-BOT-BC99161  Symphyotrichum chilense E. K. Balls 1950-7-17 14927 Humboldt Redwood Hwy, 4 mi. north of Loleta 7 Comment
  UC1222193  Symphytum asperum Joseph P. Tracy 1943-10-3 17448 Humboldt bottom Arcata (near Iversen dairy ranch) Comment
  RSA46713  Synthyris reniformis Doris K. Kildale 1926-3-20 1538 Humboldt Big Lagoon. Comment
  UC142245  Synthyris reniformis Joseph P. Tracy 1906-4-15 2408 Humboldt 3 mi e Korbel (Bald Mountain); Northern Coast Ranges, Bald Mountain 609 Comment
  CAS-BOT-BC221912  Taeniatherum caput-medusae David D. Keck 1948-7-2 6001 a Humboldt Ridge E. of Redwood Creek on road to Willow Creek, near Berry's Summit, US Route 299 Comment
  CAS-BOT-BC376720  Tanacetum bipinnatum Tom Craig 1941-6-29 s.n. Humboldt Samoa Comment
  CAS-BOT-BC376735  Tanacetum bipinnatum J. P. Tracy 1909-7-18 3020 Humboldt Hills of Ocean Beach at Samoa, opp. Eureka Comment
  HSC35858  Tanacetum bipinnatum Thomas W. Nelson, James Nelson 1975-8-5 2137 Humboldt Along south spit of Humboldt Bay ca. 1 mile N. of Table Bluff Comment
  SEINET3816601  Tanacetum bipinnatum A. A. Heller 1937-6-12 15900 Humboldt On the coast at Trinidad just below the road leading up to the light house on Trinidad head. Humid transition life zone. Comment
  UCD150391  Tanacetum bipinnatum Harry A. George; G. M., B. M. 1967-7-11 s.n. Humboldt Humboldt Bay, South Spit. Comment
  UC726018  Tanacetum camphoratum A. A. Heller 1937-6-12 15900 Humboldt just below road leading up to the lighthouse on Trinidad Head Trinidad Comment
  RSA167418  Taraxacum officinale Joseph P. Tracy 1943-4-10 17415 Humboldt Eureka Comment
  HSC34631  Taraxacum officinale A. M. Montalvo 1975-4-9 202 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  UC1196936  Taraxia ovata Joseph P. Tracy 1942-5-16 17343 Humboldt w side of river near Garberville; S. Fork of Eel River 152 Comment
  CAS-BOT-BC85214  Taxus brevifolia Doris K. Kildale 1926-8-31 2601 Humboldt Union Mattole - Geo. 7 Niner Ranch, Mattole River Valley Comment
  HSC1590  Taxus brevifolia J. P. Tracy 1927-3-27 7866 Humboldt Willow Creek Canyon 762 Comment
  HSC38097  Taxus brevifolia Thomas W. Nelson, James Nelson 1976-5-30 2619 Humboldt McKeown Ranch, N of Dinsmore. Comment
  BLMAR282  Tellima grandiflora Jennifer Anthony-Wheeler 1999-5-28 282 Humboldt King range, growing along prosper ridge of the strawberry rock grazing allotment 304 Comment
  HSC20430  Tellima grandiflora D. E. Anderson 1962-3-31 1964 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  RSA167304  Tellima grandiflora Joseph P. Tracy 1950-6-8 18722 Humboldt Near Mountain Glen Ranch, summit of ridge, 7 miles south of Ferndale. Bear River Ridge. 610 Comment
  UC56716  Tellima grandiflora Harley P. Chandler May 1901 1232 Humboldt Humboldt Bay; North Coast Ranges 121 Comment
  UC1196943  Tetrapteron graciliflorum Joseph P. Tracy 1902-6-3 1673 Humboldt near Fruitland; Northern Coast Ranges 609 Comment
  UCD96769  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1948-6-13 18037 Humboldt Larrabee Creek, 7 miles NW of Blocksburg. 304 Comment
  UC183547  Thlaspi californicum Joseph P. Tracy 1913-5-4 4043 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC673195  Thlaspi montanum var. montanum Lincoln Constance and Reed C. Rollins 1942-5-11 2877 Humboldt 5 mi s Hoopa; North Coast Ranges, Hoopa Valley 121 Comment
  CAS-BOT-BC81309  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt along road from Blue Lake to Willow Creek (Lord Ellis Road) 9 miles above Blue Lake 243 Comment
  RSA89625  Thuja plicata E. K. Balls, P. C. Everett 1953-10-13 18653 Humboldt 10.6 mi E of jct of Hwys 101 and 299 between Arcata and Willow Creek. 244 Comment
  UC484081  Thuja plicata Carl B. Wolf 1930-10-25 1764 Humboldt 9 m above Blue Lake (along road to Willow Creek (Lord Ellis Road)) 243 Comment
  HSC22843  Thysanocarpus curvipes D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5060 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  HSC70508  Tiarella trifoliata var. unifoliata Gail Newton 1980-7-20 1608 Humboldt Near Bell Swamps 9 Comment
  UCR64482  Tiarella trifoliata var. unifoliata Lyman Benson 1928-7-11 454 Humboldt Dyerville, Bull Creek, S. Fork Eel River, Bull Creek Flat. 120 Comment
  HSC44676  Tolmiea diplomenziesii Brad Klipfel 1973-7-15 214 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC447610  Tolmiea menziesii Harley P. Chandler 1901-5-1 1268 Humboldt Redwood Belt 457 Comment
  CAS-BOT-BC447608  Tolmiea menziesii Volney Rattan 1903-6-9 s.n. Humboldt Long Bar, Klamath Comment
  HSC72099  Torilis arvensis J. P. Smith, L. Barker, J. Cole 1976-7-27 8948 Humboldt Berry Summit on abandoned hwy. Comment
  CAS-BOT-BC81364  Torreya californica Dr. A. Kellogg; W. G. W. Harford 1868-9 942 Humboldt unspecified Comment
  HSC49820  Toxicodendron diversilobum R. York 1979-4-21 244 Humboldt Behind the town of Korbel, Camp Bauer Comment
  UCR3932  Toxicodendron diversilobum David Whistler, H. M. Whistler 1964-7-29 640729- 7 Humboldt North Coast, US Hwy 101, along bank of Eel River, 0.2 mi. north of Weott 85 Comment
  CAS-BOT-BC399988  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  UCD96048  Trautvetteria caroliniensis Joseph P. Tracy 1948-9-5 18169 Humboldt Trinity Summit Range. Happy Camp Mt. 1280 Comment
  JEPS63133  Trichostema lanceolatum Lincoln Constance 1934-6-14 874 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 304 Comment
  POM162077  Trichostema oblongum Joseph P. Tracy 1921-8-21 5936 Humboldt Trinity River Valley, near Willow Creek. 152 Comment
  BLMAR277  Trientalis latifolia Jennifer Anthony-Wheeler 1999-7-30 277 Humboldt Headwaters Forest Reserve, growing in shaded places esp woodlands 548 Comment
  HSC89588  Trientalis latifolia M. Roantree 1985-5-24 56 Humboldt NW side of Trinidad Head, along trail Comment
  UC302174  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1923-5-23 6260 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  SBBG122678  Trifolium arvense J. Dittes, J. Guardino 2003-6-7 2003 -65 Humboldt entrance rd to Aikens Crk Cmpgrd, ca. 4.1 air-mi NE of confluence of Trinity River and Klamath River, ca. 0.3 air-mi NW of confluence of Klamath River and Aikens Crk 106 Comment
  SEINET6934847  Trifolium barbigerum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  HSC34958  Trifolium bifidum Thomas W. Nelson 1975-5-24 1872 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1197050  Trifolium campestre Joseph P. Tracy 1905-7-1 2203 Humboldt immediate vicinity Eureka 0 Comment
  UC495733  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1932-5-10 9948 Humboldt near Petrolia (Mattole River); Northern Coast Ranges 15 Comment
  UCD108864  Trifolium dubium A. H. Murphy 1947-4-25 s.n. Humboldt 2 miles N of Blocksburg, W. Smith Ranch. Comment
  UCD107930  Trifolium eriocephalum subsp. eriocephalum W. A. Williams 1956-6-1 s.n. Humboldt Kneeland Soil Series, Kneeland. 822 Comment
  JEPS79999  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-29 8821 Humboldt nw slope Buck Mtn (lower foothills); Northern Coast Ranges Comment
  UC162814  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1908-6 2759 Humboldt opposite Buck Mtn; Valley of Van Duzen River 762 Comment
  UC1223460  Trifolium fragiferum Joseph P. Tracy 1933-8-22 12986 Humboldt 1 mi w Loleta Comment
  RSA296715  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt On the flood plain of the Mad River at the north end of the Carson railroad bridge. Comment
  UC495734  Trifolium fucatum Joseph P. Tracy 1927-5-14 8005 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC45170  Trifolium hirtum R. Sutherland 1978-5-16 9 .16578 Humboldt 402 Comment
  POM214886  Trifolium longipes subsp. elmeri Joseph P. Tracy 1932-7-13 10525 Humboldt Trinity Summit, Corral Prairie. Comment
  HSC40537  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2527 Humboldt In the Canyon of Bear Creek, W of Black Lassic 1524 Comment
  HSC99727  Trifolium longipes subsp. oreganum Glenn W. K. Shelton 2010-7-16 22 Humboldt Buck Flat on Titlow Hill Rd. 1512 Comment
  HSC98891  Trifolium longipes subsp. shastense Cara Witte 2008-7-1 779 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  HSC97567  Trifolium longipes subsp. shastense C. Witte 2007-5-18 44 Humboldt Near Bottleneck Spring. 1575 Comment
  UC1223332  Trifolium longipes var. oreganum Joseph P. Tracy 1947-7-27 17836 Humboldt Horse Mtn Comment
  UC1223359  Trifolium macraei Joseph P. Tracy 1950-6-8 18729 Humboldt Bear River Ridge 609 Comment
  SEINET12157250  Trifolium macraei J. P. Tracy 1936-1 14841 Humboldt Samoa Sand Dunes Comment
  HSC71451  Trifolium microcephalum J. P. Smith 1973-5-26 6870 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  RSA322029  Trifolium microdon John M. Gillett, A. G. Moulds, George W. Gillett 12607 Humboldt Trinidad. Comment
  SEINET12157235  Trifolium microdon J. P. Tracy 1936-1 14840 Humboldt nr Samoa, on Humboldt Bay 6 Comment
  UC180206  Trifolium obtusiflorum Joseph P. Tracy 1914-7-5 4545 Humboldt High Prairie Northern Coast Ranges, Bald Mtn 1066 Comment
  RSA246676  Trifolium pratense Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-8 35259 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC57902  Trifolium repens Gilbert Muth 1979-7-31 11496 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  UC1223530  Trifolium variegatum var. melananthum Joseph P. Tracy 15374 Humboldt opposite Willow Creek (same place as no. 15331 and 15331 1/2); Trinity River Valley Comment
  JEPS4135  Trifolium variegatum var. variegatum Joseph P. Tracy 1929-5-5 8570 Humboldt Miranda Northern Coast Ranges, South Fork Eel River 121 Comment
  POM214883  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-22 10123 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  UC1223540  Trifolium variegatum var. variegatum Joseph P. Tracy 1939-4-29 16238 Humboldt mouth of Slate Creek; Klamath River Comment
  UC1197514  Trifolium willdenovii Joseph P. Tracy 1932-5-17 10068 Humboldt at Berry's Redwood Creek; Northern Coast Ranges 274 Comment
  UC303199  Trifolium willdenovii Joseph P. Tracy 1925-5-17 6967 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC495688  Trifolium willdenovii Joseph P. Tracy 1932-5-10 9944 Humboldt hillsideds between Petrolia and ocean Northern Coast Ranges 152 Comment
  UC495692  Trifolium willdenovii Joseph P. Tracy 1932-6-14 10157 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UCD109897  Trifolium willdenovii Joseph P. Tracy 1933-6-24 12615 Humboldt North end of Big Lagoon. Comment
  HSC103842  Trifolium wormskioldii G. D. Barbe, T. C. Fuller 1974-6-17 1850 Humboldt Crescent City; Pebble Beach Rd., south of Airport and Washington Blvd. Comment
  HSC15196  Trifolium wormskioldii J. W. Bosworth 1965-5-14 50 Humboldt 1 mi. N of Fairhaven Comment
  UC631060  Trifolium wormskioldii Joseph P. Tracy 1911-6-25 3246 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC90425  Trifolium wormskioldii Jean Hanson 1980-6-22 94 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. W end of Island. Comment
  RSA90994  Trifolium wormskioldii F. W. Peirson 1923-7-11 3619 Humboldt Along road 7 miles north of Arcata. Comment
  HSC90253  Triglochin concinna Jean Hanson 1981-5-10 137 Humboldt Indian Island, Humboldt Bay, city of Eureka, W end of island Comment
  HSC14169  Triglochin maritima D. E. Anderson 1961-9-3 1779 Humboldt Along Hwy. 101 Comment
  SDSU19196  Trillium albidum Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3006 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 7.5 miles south, west 0.2 miles to Cold Spring. Ca. 0.2 mile south-southeast of Cold Spring. Ca. 3.3 aerial miles south-southeast of Horse Mtn. Radio Tower. 1416 Comment
  HSC96784  Trillium albidum M. Mesler 2006-5-24 601 Humboldt Coldsprings Camp, 7.4 mi. SE of Hwy. 299 on Titlow Hill Rd. 1402 Comment
  HSC99359  Trillium kurabayashii K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 8 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  POM109203  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  CAS-BOT-BC133392  Trillium ovatum R. N. Raynor 1934-4-1 s.n. Humboldt Above Fort Seward Comment
  HSC59657  Trillium ovatum Marla J. Carollo 1979-4-10 3 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  SEINET12051379  Trillium ovatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -289 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UC1197829  Trillium ovatum Joseph P. Tracy 1918-4-21 4883 Humboldt near Newell's old camp, on old Kneeland Prairie rd. Newell's old camp; Northern Coast Ranges, around Humboldt Bay 304 Comment
  UCD139909  Trillium ovatum Roman Gankin 1956-3-17 105 Humboldt south boundary of Jensen Grove, off U.S. Highway 101. Comment
  HSC100892  Trillium sessile var. californicum Carl C. Marshall Apr 1886 122 Humboldt Thickets near bay. Comment
  UC34823  Triodanis perfoliata Harley P. Chandler June, 1901 1514 Humboldt Klamath River; North Coast Ranges, Klamath River 426 Comment
  UC1199622  Triphysaria eriantha subsp. eriantha Harley P. Chandler May 1901 1142 Humboldt Humboldt Bay; North Coast Ranges Comment
  CHSC40207  Triphysaria pusilla L. P. Janeway 1984-5-13 772 Humboldt Along the Kneeland/ Bridgeville Road ca 11 mi east of the Kneeland post office. 566 Comment
  HSC103298  Triphysaria pusilla Michael G. Simpson, Michael Mesler, Michael Mayer 2008-5-27 3009 Humboldt Six Rivers National Forest; ~ 0.3 mi. south-southeast of Cold Spring Camp; ~ 3.3 aerial mi. south-southeast of Horse Mtn. Radio Tower. 1386 Comment
  CHSC1822  Triphysaria versicolor subsp. faucibarbata V. Holt 1941-5-30 Humboldt Comment
  SBBG7056  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-25 3444 Humboldt near Arcata Comment
  UC1222437  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1942-5-29 17088 Humboldt Eureka 6 Comment
  CAS-BOT-BC199628  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point, on Eel River 152 Comment
  RSA109293  Trisetum canescens H. E. Parks, S. T. Parks 1952-06 7551 Humboldt Spruce Cove, Trinidad. 61 Comment
  UC1103150  Trisetum canescens J. P. Tracy 1900-7-4 877 Humboldt opposite Eureka (Sand Hills of Ocean Beach at Samoa); Samoa Comment
  UC163654  Trisetum canescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5494 -5 Humboldt Camp Grant; North Coast Ranges Comment
  UC33738  Trisetum canescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5369 Humboldt ridge near Harris Comment
  UC552800  Trisetum canescens Joseph P. Tracy 1935-7-25 14235 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  UC1197711  Triteleia hyacinthina Joseph P. Tracy 1935-5-25 13869 Humboldt Fort Seward 106 Comment
  JEPS64202  Triteleia hyacinthina Lincoln Constance 1934-6-25 930 Humboldt Englewood, across road from Collin's Englewood Campground, on e side of road South Fork Eel River, Bull Creek Region Comment
  UC1197713  Triteleia hyacinthina Joseph P. Tracy 1925-5-30 7047 Humboldt McClellan Mountain Northern Coast Ranges, McClellan Mountain 822 Comment
  UC1197716  Triteleia laxa Joseph P. Tracy 1942-6-15 17168 Humboldt 5 mi n Garberville 152 Comment
  HSC96520  Tsuga heterophylla Gordon Leppig 1999-7-9 1190 Humboldt Big Lagoon County Park; Big Lagoon Bog 3 Comment
  NY64312  Tsuga heterophylla J. P. Tracy 1940-8-25 16704 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
  UC162948  Tsuga heterophylla Joseph P. Tracy 1911-6-4 3233 Humboldt along Little River Northern Coast Region, Little River (5 mi from the coast) 121 Comment
  UC615043  Tsuga heterophylla Beryl O. Schreiber 1934-6-5 1133 Humboldt 15 mi e of Blue Lake (road to Redding, wooded slope) Comment
  UC55663  Tsuga mertensiana J. P. Tracy 1901-2-3 Humboldt immediate vicinity Eureka 0 Comment
  HSC63002  Typha latifolia David Wheeler 1979-5-29 145 Humboldt S end of H St., Arcata. Comment
  CAS-BOT-BC91108  Umbellularia californica Doris K. Kildale 1927-8-16 2515 Humboldt Upper Willow Creek Flat - Trinity River Valley. 152 Comment
  UC672856  Urtica dioica subsp. holosericea Joseph P. Tracy 1937-7-19 15448 Humboldt Blue Slide on Van Duzen River Blue Slide; Van Duzen River, Blue Slide 91 Comment
  UCD111618  Urtica urens Joseph P. Tracy 1944-6-10 17476 Humboldt Eureka. 30 Comment
  HSC62985  Utricularia macrorhiza David Wheeler 1979-4-21 75 Humboldt Fieldbrook Elementary School, pond to the W of the baseball fields. Comment
  UC32648  Vaccinium Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5651 Humboldt Hoopa Mt. Comment
  UC1197784  Vaccinium membranaceum Joseph P. Tracy 1934-8-29 13625 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC199315  Vaccinium ovatum A. A. Heller 1937-6-12 15917 Humboldt Bishop Pine Lodge, 3 miles north of Trinidad Comment
  HSC7903  Vaccinium ovatum D. B. Bader 1963-2-17 26 Humboldt Second of the Clam Beach lagoons W of Hwy. 101 Comment
  POM285980  Vaccinium ovatum Lyman Benson 1929-7-16 1938 Humboldt Weott Ranger Station. Comment
  UC1197779  Vaccinium ovatum Joseph P. Tracy 1922-5-21 6052 Humboldt Fieldbrook Northern Coast Ranges 60 Comment
  UC719767  Vaccinium ovatum Rogers McVaugh 1941-8-3 6218 Humboldt 1.25 mi s Headquarters Patrick Point State Park Comment
  UCD166887  Vaccinium ovatum Colleen Rossier 2016-9-16 5 Humboldt In vicinity of Rosaleno Creek, plot Rosaleno #1. 601 Comment
  SEINET11972535  Vaccinium ovatum K. S. Erdman 1970-1 4799 Humboldt Cal-Barrow Road, 3 mi E of Us 101 at E boundary of Prarie Creek Redwood State Park (Redwood N.P.) T1 Comment
  OBI14438  Vaccinium parvifolium Joseph P. Tracy 1943-3-14 17410 Humboldt Vicinity of Carlotta Comment
  SEINET3107075  Vaccinium parvifolium Steve Selva, Roger Jensen 1974-8-28 97 Humboldt Redwood forest behind Humboldt State University, Arcata. Comment
  HSC7928  Vaccinium scoparium D. E. Anderson 1965-6-1 3758 Humboldt Horse Mtn., near ski lodge 1433 Comment
  UC562351  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1935-7-26 14262 Humboldt Water Dog Lakes Trinity Summit 1828 Comment
  UC602512  Valeriana sitchensis subsp. scouleri Joseph P. Tracy 1924-4-27 6643 Humboldt Willow Creek Canyon; Northern Coast Ranges 609 Comment
  CAS-BOT-BC76054  Vancouveria hexandra L. R. Abrams 1916-7-11 5983 Humboldt Between Blocksberg and Bridgeville. Comment
  HSC57994  Vancouveria hexandra G. L. Clifton, Griswold 1979-7-31 11757 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1196350  Vancouveria hexandra J. P. Tracy 1901-6-10 1135 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC34906  Vancouveria hexandra Chesnut and Drew 1888-7-21 Humboldt S. Fork Mt. <South Fork Mountain> South Fork Mountain; S. Fork Mt. Comment
  HSC33018  Vancouveria hexandra J. D. Ackerman, A. M. Montalvo 1973-7-5 98 Humboldt 1 mi. W of Tish a Tang Creek on Grogan Hill Rd., E of Hoopa 1524 Comment
  SD90209  Vancouveria hexandra Benjamin C. Stone Jul 1952 114 Humboldt Near Founders Tree, Humboldt Redwoods State Park 149 Comment
  CAS-BOT-BC76084  Vancouveria planipetala Doris K. Kildale 1926-6-27 2192 Humboldt Sweasey Lake, McClellan Mountain. 822 Comment
  RSA246944  Vancouveria planipetala R. F. Thorne, P. Everett 1965-8-5 35134 a Humboldt Mt. Chamisal. 549 Comment
  SEINET12093082  Vancouveria planipetala F. H. Utech 1986-1 86 -387 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  RSA152385  Velezia rigida Joseph P. Tracy 1947-7-5 17774 Humboldt Trinity Summit; Ridge top one mile W of Mud Springs. 1159 Comment
  UC153947  Veratrum californicum var. californicum Joseph P. Tracy 1910-7-24 3158 Humboldt marshy places at foot of hill 1 1/2 mi s Field's Landing; Northern Coast Region, region about Humboldt Bay 0 Comment
  UC175819  Veratrum californicum var. californicum Joseph P. Tracy 1913-6-23 4280 Humboldt near summit ridge between Van Duzen and Mad Rivers (in wet meadow); Northern Coast Ranges, Dinsmore's Ranch 1066 Comment
  SD51275  Veratrum insolitum Darley F. Howe 1961-8-2 3124 Humboldt 24 miles east of Orick, on Bald Mountain Road. 914 Comment
  UC1173645  Veratrum insolitum Joseph P. Tracy 1929-7-4 8636 Humboldt French Camp Ridge 1066 Comment
  HSC23492  Veronica americana R. A. Vanbianchi 1971-9-10 83 Humboldt Along Fieldbrook Rd., 0.7 mi. from junction with old Hwy. 299 Comment
  UC1011936  Veronica americana F. W. Pennell and J. P. Tracy 1940-7-7 26088 Humboldt headwaters of Willow Creek, Route 299 Willow Creek 762 Comment
  HSC101971  Veronica serpyllifolia M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 867 Humboldt Patterson Meadows 1555 Comment
  HSC40041  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1976-7-1 2893 Humboldt Along ridge N of Bear Creek 1463 Comment
  UC33398  Vicia americana var. americana W. C. Blasdale 1896-6-7 Humboldt Graham's Comment
  HSC31808  Vicia sativa subsp. sativa Donald Spalinger 1974-4-25 22 Humboldt Forest across from 1756 Ridgewood Dr. 122 Comment
  HSC59115  Vicia sativa subsp. sativa Terry Roth 1979-5-29 93 Humboldt Arcata, corner of Alliance Rd. and Westwood Ct. Comment
  UC164813  Viola adunca J. P. Tracy 1901-5-12 1082 Humboldt immediate vicinity of Eureka 0 Comment
  UC176962  Viola adunca Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3586 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC19274  Viola cuneata Harley P. Chandler June, 1901 1297 Humboldt Hupa Indian Reservation; North Coast Ranges 609 Comment
  HSC21776  Viola cuneata D. E. Anderson 1965-6-1 3755 Humboldt Horse Mtn.; N-facing slope near ski lodge 1433 Comment
  SBBG4803  Viola glabella H. and M. Dearing 1933-5-16 1087 Humboldt near Weott Comment
  RSA77758  Viola hallii Joseph P. Tracy 1927-6-12 8125 Humboldt Horse Mountain. 1524 Comment
  UC1222517  Viola hallii Joseph P. Tracy 1950-7-1 18944 Humboldt near Clear Lake (at summit of Grouse Mountain, where the Friday Ridge Road comes to the top of Ridge); Grouse Mountain 1524 Comment
  RSA273350  Viola sempervirens N. G. Sugihara 1977-4-23 13 Humboldt 2.5 miles S of Shelter Cove Road. South Fork of Bear Creek at Wailaki Campground. 561 Comment
  UC709441  Viola sempervirens Joseph P. Tracy 1941-4-8 16854 Humboldt head of Willow Creek ( Willow Creek Canyon, along Trinity Highway); Willow Creek Canyon, Willow Creek 762 Comment
  UC1103559  Viola sheltonii Joseph P. Tracy 1933-6-13 12586 Humboldt near summit of Hoopa Mountain (on road from Hoopa westward to Bair's) 1127 Comment
  JEPS40256  Vitis californica W. L. Jepson 1924-9-20 10653 Humboldt Richardson Grove South Fork Eel River Comment
  SEINET200566 Image available Vitis californica Joseph P. Tracy 1922-1 6109 Humboldt Klamath River at Bluff Creek. 91 Comment
  CAS-BOT-BC199803  Vulpia L. R. Abrams 1926-7-11 6050 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  HSC69872  Vulpia bromoides Thomas W. Nelson 1978-5-29 4094 Humboldt On McKeown Ranch N of Dinsmore. 762 Comment
  HSC70759  Vulpia bromoides R. York 1980-5-17 524 Humboldt Near Le Perron Peak 792 Comment
  UC1145201  Vulpia bromoides Joseph P. Tracy 1948-6-10 18065 Humboldt Trinidad 3 Comment
  UCD93442  Vulpia bromoides Linda M. Barker 1976-6-1 1543 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA226620  Vulpia microstachys D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5056 Humboldt Along road from Redwood Creek to Hoopa, ca. 1-3 miles west of Hoopa. Comment
  CAS-BOT-BC184235  Vulpia microstachys var. pauciflora S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3431 Humboldt Northwest slopes of Buck Mountain 822 Comment
  UC1103717  Vulpia microstachys var. pauciflora Joseph P. Tracy 1913-6-19 4201 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1145203  Vulpia myuros var. hirsuta Joseph P. Tracy 1941-3-26 16836 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC81925  Whipplea modesta Thomas W. Nelson, Jane P. Nelson 1979-7-3 4954 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  SDSU19191  Whipplea modesta Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3013 Humboldt Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.75 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower. 978 Comment
  UC1198902  Whipplea modesta Joseph P. Tracy 1942-6-23 17232 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UC492216  Whipplea modesta Joseph P. Tracy 1927-8-28 8360 Humboldt Boynton Prairie Northern Coast Ranges 609 Comment
  UC666826  Whipplea modesta Joseph P. Tracy 1937-7-2 15390 Humboldt Happy Camp Mountain Trinity Summit Range (ne of Hawkins Bar) 1280 Comment
  HSC76325  Woodwardia fimbriata Teresa Prendusi 1981-7-23 362 Humboldt Near Black Mountain. 890 Comment
  OBI15343  Wyethia angustifolia Carl B. Wolf 1937-8-13 9222 Humboldt North Coast Range, 8 I E of Hoopa Valley on New rd towards Trinity summit 1219 Comment
  UCD137004  Wyethia longicaulis Gordon Leppig 1998-6-1 872 Humboldt Horse Mountain. Buck Flat, Titlow Hill Rd. At Ammon Ridge Rd. 1524 Comment
  HSC76424  Xerophyllum tenax Denis Kearns 1981-6-24 29 Humboldt Near Cedar Camp 1219 Comment
  RSA12560  Xerophyllum tenax Carl B. Wolf 1934-7-2 5879 Humboldt Snow Camp. (Mountains east of Korbel). 1372 Comment
  SEINET3356277 Image available Xerophyllum tenax Joseph P. Tracy 1937-8-15 15665 Humboldt French Camp Comment
  HSC21901  Zannichellia palustris D. E. Anderson 1961-9-2 1760 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  HSC3245  Zantedeschia aethiopica A. H. Teshima 1963-3-17 12 Humboldt Moonstone Beach Area Comment
  SEINET12197025  Zauschneria californica E. A. York 1990-1-10 2675 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC12015  Zeltnera muehlenbergii Wilbur Peterson 1970-10-31 102 Humboldt Scotia Bluffs, edge of Eel River Comment
  HSC12033  Zeltnera muehlenbergii D. Santana 1970-10-31 89 Humboldt E side of Eel River on slope between railroad tracks and river Comment



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