Search Results — 2000 specimen records retrieved (1376 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
  CAS-BOT-BC73468  Abies X shastensis Doris K. Kildale 1925-8-17 1200 Humboldt Trinity Summit 1889 Comment
  BLMAR207  Abies concolor Jennifer Anthony-Wheeler 1996-7-9 207 Humboldt Pilot ridge., growing as component of conifer mxed hardwood forest ar elevation range 1280 Comment
Read comments
Nov 1 2013
  CAS-BOT-BC77963  Abies concolor Henry M. Pollard 1944-9-1 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC102605  Abies concolor M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1592 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC74318  Abies concolor Gail Newton 1980-7-20 1602 Humboldt Near Bell Swamps 1463 Comment
  HSC99689  Abies concolor T. Jimerson, J. Pageau 1979-8-10 714 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  CDA19040  Abies grandis George Loughner 2000-10-6 PDR 023915 Humboldt North Coast Ranges; Ridge E of Blue Lake. 0 Comment
  HSC37348  Abies grandis Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 478 Humboldt Along Lost Man Creek. 38 Comment
  UC1267074  Abies procera G. L. Anderson 1962-8-21 5 Humboldt Horse Trail Ridge Six Rivers National Forest (sw slope) 1828 Comment
Read comments
May 21 2011
  HSC38927  Abronia latifolia Linda M. Barker 1976-5-13 1490 Humboldt 3 mi. W of Arcata. Comment
  UCR122367  Abronia latifolia George K. Helmkamp, E. A. Helmkamp 2001-7-8 7022 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 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
  UC35086  Acer circinatum W. C. Blasdale 1890-1 Humboldt Blue Lake Comment
  HSC2810  Acer macrophyllum Francis Winter 1960-4-23 Humboldt 1.0 mi. N of Dollar Ranch on Korbel-Maple Creek Rd. 229 Comment
  HSC60003  Acer macrophyllum M. A. Baker 1978-5-6 466 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  HSC62677  Acer macrophyllum Michelle Stevens 1979-4-15 41 Humboldt Richardson Grove by Eel River 30 Comment
  SFV18469  Acer macrophyllum C. Lee 2002-4-21 20 Humboldt Titlow Hill Road, 0.25 miles southeast of intersection with Highway 299. Hillside near road. Comment
  HSC99504  Achillea millefolium K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 164 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
  JEPS37080  Achillea millefolium W. L. Jepson 1932-7-30 16460 Humboldt Bull Creek Comment
  SD41358  Achillea millefolium Edith A. Purer 1932-7-30 4674 Humboldt South of Orick. Comment
  CAS-BOT-BC28581  Achillea millefolium David D. Keck 1949-7-12 6326 Humboldt 4 miles south of Scotia (halfway between Scotia and Pepperwood). Comment
  UC472295  Achlys californica Mrs. M. H. Manning 1901-4 32 Humboldt near Hupa Comment
  UC1196355  Achlys californica Joseph P. Tracy 1932-7-13 10491 Humboldt woods near Corral Prairie Klamath Mts., Trinity Summit 1524 Comment
  HSC76283  Achlys triphylla Teresa Prendusi 1981-7-9 181 Humboldt Near Cedar Camp. 1268 Comment
  CAS-BOT-BC210658  Achnatherum lemmonii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC98300  Acmispon micranthus Norman H. Moe 1962-5-12 Humboldt Lanphere's place, .25 mi. from ocean. Comment
  HSC56085  Aconitum columbianum subsp. columbianum G. L. Clifton, Griswold 1979-7-31 11773 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC391410  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1932-7-10 10393 Humboldt Klamath Mountains, Trinity Summit. Meadow at Corral Prairie 1524 Comment
  JEPS60388  Actaea rubra Lincoln Constance 1934-6-1 771 Humboldt Bull Cr. rd. between Dyerville Bridge and Bull Cr. flat grove (mouth of Bull Creek) mouth of Bull Creek; Bull Creek Region, S. Fork Eel R. 45 Comment
  HSC99390  Actaea rubra subsp. arguta K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 39 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SDSU19197  Adelinia grandis Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3007 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
  SEINET181253  Adenocaulon bicolor Bassett Maguire, Ruth R. Maguire; C. B. Maguire 1934-6-8 15295 Humboldt Bolling Grove State Park Comment
  UC275411  Adiantum aleuticum Joseph P. Tracy 1925-11-25 7324 Humboldt near s fork Trinity River Valley; Northern Coast Ranges 182 Comment
  CAS-BOT-BC65628  Adiantum jordanii Doris K. Kildale 1928-12-30 6767 Humboldt Phillipsville Comment
  CAS-BOT-BC65727  Adiantum pedatum Kenneth Clark 1980-6-14 691 Humboldt Point Delgada quad, north fork Dead Man's Gulch 83 Comment
  HSC31797  Aesculus californica Steve Selva, Roger Jensen 1974-8-27 80 Humboldt W of Humboldt-Trinity co. line on Hwy. 299 Comment
  OBI37796  Aesculus californica David J. Keil 1983-7-1 17276 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats rd Comment
  RSA178539  Aesculus californica Joseph P. Tracy 1950-6-21 18856 Humboldt Trinity River Valley, near the South Fork: At mouth of South Fork, on west side. 183 Comment
  HSC74197  Agastache urticifolia M. A. Baker 1980-7-22 3126 Humboldt Near Grogan Hole. 1676 Comment
  UC154005  Agastache urticifolia Joseph P. Tracy 1908-6 2802 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1173668  Ageratina occidentalis Joseph P. Tracy 1939-8-5 16388 Humboldt along Van Duzen River, opposite Black Mt.; Van Duzen River 737 Comment
  UC176467  Agoseris apargioides var. apargioides Joseph P. Tracy 1912-7-7 3746 Humboldt near mouth of Elk River; Northern Coast Region Comment
  UC582749  Agoseris grandiflora Joseph P. Tracy 1927-5-30 8093 Humboldt Garberville 121 Comment
  UC1239511  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1934-6-27 13261 Humboldt Near Cold Springs; North Coast Ranges, Grouse Mountain. 1432 Comment
  UC275459  Agoseris heterophylla Joseph P. Tracy 1925-5-30 7021 A Humboldt on grassy slopes McClellan Mountain; Northern Coast Ranges 822 Comment
  UC166071  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1911-7-7 3391 Humboldt at meadows on mountainside near, (3 mi nw of junc of Willow Creek w/ Trinity R.) Beebe's Ranch; Northern Coast Ranges, Willow Creek, Trinity River 914 Comment
  UC582746  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 C Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  UC582743  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1927-5-14 3030 A Humboldt at Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC13374  Agoseris retrorsa Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1371 Comment
  POM319539  Agrostis Patricia Wilder 1968-8-21 4367 Humboldt Big Lagoon Park, just west of U.S. 101 15 Comment
  SACT000115  Agrostis alba var. palustris D. Shillingbury 1963-5-11 Humboldt salt or brackish marshes along the coast. bog edge Comment
  CDA1703  Agrostis capillaris T. C. Fuller 1962-8-6 9362 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  UC1145067  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt clay bluff close to ocean shore Trinidad 3 Comment
  HSC8790  Agrostis exarata H. E. Parks, S. T. Parks Jun 1952 7553 Humboldt Spruce Cove, Trinidad 61 Comment
  BLMAR432  Agrostis gigantea Jennifer Wheeler 2005-7-20 432 Humboldt Lost Coast Headland, growing in grazing allotment 91 Comment
  CAS-BOT-BC139494  Agrostis hallii Doris K. Kildale 1927-6-25 3545 Humboldt Shelter Cove. Comment
  HSC72675  Agrostis hallii J. P. Smith 1977-7-3 9257 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  CHSC114091  Agrostis idahoensis Jennifer Buck; Danielle Roach 2009-8-19 SFM 06 C Humboldt Kerlin Fen, South Fork Mountain; UTM Zone 10N, 453899E, 4494304N. 1633 Comment
  HSC58760  Agrostis pallens Overton, Butler 1979-7-26 10056 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  SEINET3127763  Agrostis pallens J. B. Davy 1899-6-13 5521 Humboldt Near Pepperwood Comment
  HSC40393  Agrostis stolonifera Thomas W. Nelson, James Nelson 1976-7-28 3046 Humboldt W of Alder Springs along 2S08 1555 Comment
  RSA10067  Agrostis stolonifera Joseph P. Tracy 1924-8-17 6819 Humboldt Trinidad 61 Comment
  RSA54134  Agrostis stolonifera Henry M. Pollard 1986-8-22 s.n. Humboldt Roadside near Orleans Comment
  UC1145071  Agrostis thurberiana Joseph P. Tracy 1939-7-9 16344 Humboldt Snow Camp 1432 Comment
  UC526873  Agrostis thurberiana Joseph P. Tracy Jul 16 1930-Jul 19 1930 8989 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC1103301  Aira caryophyllea Joseph P. Tracy 1914-5-14 4439 Humboldt Fort Seward Northern Coast Ranges Comment
  CAS-BOT-BC138330  Aira caryophyllea var. caryophyllea Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  CAS-BOT-BC138334  Aira caryophyllea var. caryophyllea David D. Keck 1948-7-1 5972 Humboldt South side of Big Lagoon. Comment
  UC526676  Aira praecox Joseph P. Tracy 1925-8-30 7252 Humboldt Freshwater Lagoon North Coast Ranges 60 Comment
  UC526679  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Eureka Northern Coast Ranges 0 Comment
  RSA90195  Aira praecox Joseph P. Tracy 1925-3-24 11669 Humboldt Eureka, North Coast Range. Comment
  HSC102207  Allium amplectens M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1122 Humboldt Andy's Camp 1564 Comment
  HSC98646  Allium amplectens Cara Witte 2007-6-7 233 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  CAS-BOT-BC460755  Allium amplectens Alice Eastwood; John Thomas Howell 1937-6-23 4832 Humboldt Near Yager Comment
  UC677684  Allium amplectens C. C. and S. K. Harris 1936-6-24 645 Humboldt at point where road from Bridgeville to Dinsmore crosses the Little Van Duzen River Little Van Duzen River 710 Comment
  UC176180  Allium falcifolium Joseph P. Tracy 1913-6-17 4164 Humboldt near summit; Northern Coast Ranges, Buck Mountain 1524 Comment
  CAS-BOT-BC469017  Allium falcifolium Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. 1676 Comment
  HSC82040  Allium falcifolium Thomas W. Nelson, James Nelson 1980-6-10 5407 Humboldt Along Swayback Ridge 4-wheel drive rd. 2.5 mi. N of the junction with USFS rd. 1S07 1463 Comment
  HSC67187  Allium hoffmanii Thomas W. Nelson, James Nelson 1980-6-10 5423 Humboldt Along NE side of Red Mtn. 1433 Comment
  SEINET5586421  Allium triquetrum Richard R. Halse 2013-1 8768 Humboldt Along U.S. Hwy 101 ca. 1.0 miles west of Orick 4 Comment
  CAS-BOT-BC476602  Allium unifolium Doris K. Kildale 1926-5-15 1971 Humboldt Fleener Creek. Comment
  CAS-BOT-BC476630  Allium unifolium Katherine Esau 1934-5-7 s.n. Humboldt Above Fort Seward 609 Comment
  UC1198189  Allium unifolium J. P. Tracy 1911-5-30 3209 Humboldt immediate vicinity of Eureka (bluff back of Bucksport); Bucksport 0 Comment
  BLMAR219  Allotropa virgata Jeanne McFarland July, 1996 219 Humboldt Red Mountain, growing in Tan oak understory 548 Comment
  HSC58328  Alnus incana subsp. tenuifolia Overton, Butler 1979-8-2 12626 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CAS-BOT-BC170943  Alnus rhombifolia Doris K. Kildale 1926-8-8 2457 a Humboldt Dyerville Brdige on South Fork of Eel River 45 Comment
  CAS-BOT-BC170946  Alnus rhombifolia Doris K. Kildale 1927-5-15 3292 Humboldt Mattole River Valley Comment
  RSA46862  Alnus rhombifolia Doris K. Kildale 1926-9-9 2686 Humboldt Little Van Dusen, near bridge on Bridgeville, Low Gap Road. 640 Comment
  CAS-BOT-BC169532  Alnus rubra Doris K. Kildale 1926-7-11 2363 Humboldt Capetwon, near mouth of Bear River. Near coast Comment
  SBBG25879  Alnus rubra E. R. Blakley 1966-8-17 6797 Humboldt Patrick's Point 5 mi N of Trinidad 60 Comment
  HSC57668  Alnus viridis subsp. sinuata G. L. Clifton, Griswold 1979-7-25 10853 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  UC1225944  Alnus viridis subsp. sinuata Joseph P. Tracy 1947-8-24 17913 Humboldt near Box Camp; Trinity Summit 1524 Comment
  UCD55913  Alopecurus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton. 30 Comment
  HSC90772  Alopecurus geniculatus Gail Newton 1982-6-5 3588 Humboldt Elk River Wildlife Area, Eureka Comment
  OBI22518  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton Comment
  UC132199  Amaranthus retroflexus Joseph P. Tracy 1907-8-20 2599 Humboldt near hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC13671  Ambrosia artemisiifolia H. M. Pollard 1947-8-27 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC13705  Ambrosia chamissonis H. E. Parks 1941-8-1 24181 Humboldt Big Lagoon Comment
  HSC46976  Ambrosia chamissonis J. P. Smith, Thomas W. Nelson 1977-6-30 9224 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  UC582627  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC18527  Amelanchier alnifolia var. semiintegrifolia J. Sandborg, F. Sandborg May 1968 4 Humboldt Bluff Creek near Notice Creek 793 Comment
  JEPS44699 Image available Amelanchier alnifolia var. semiintegrifolia Lincoln Constance 1934-6-11 845 Humboldt n Dyerville Flat South Fork Eel River, Bull Creek Region (trail along e bank of South Fork Eel River) Comment
  HSC55995  Amelanchier pallida Overton, Butler 1979-7-31 11432 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  CAS-BOT-BC143015  Amelanchier utahensis Joseph P. Tracy 1946-7-13 17618 Humboldt Carlotta, open flat by old Strong's District School House, 5 miles east of town. 60 Comment
  OBI35862  Amelanchier utahensis David J. Keil 1983-7-2 17332 Humboldt Horse Mtn Summit SW of Willow Crk Comment
  UC12062  Amelanchier utahensis Harley P. Chandler Jun 1901 1282 Humboldt Hupa Indian Reservation; North Coast Ranges 1097 Comment
  UC154229  Amelanchier utahensis Joseph P. Tracy 1908-6 2768 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  SD41378  Ammophila arenaria Edith A. Purer 1932-7-27 4157 Humboldt Samoa, sand dunes. Comment
  UCR121763  Ammophila arenaria George K. Helmkamp, E. A. Helmkamp 2001-7-8 7024 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  HSC17844  Anagallis arvensis W. F. Nickel 1965-5-6 Humboldt On Humboldt State University campus, behind Biological Science Bldg. Comment
  HSC68320  Anagallis arvensis J. P. Smith 1973-5-26 6817 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC27391  Anaphalis margaritacea Thomas W. Nelson 1970-9-3 230 Humboldt Mad River. Comment
  HSC37912  Anaphalis margaritacea Peter Sorensen 1976-7-14 Humboldt Woodley Island Comment
  HSC4628  Anaphalis margaritacea H. E. Parks, S. T. Parks Aug 1943 24237 Humboldt Along Hwy, Stone Lagoon Comment
  HSC81710  Anaphalis margaritacea Thomas W. Nelson, Jane P. Nelson 1980-8-12 6237 Humboldt Logging roads S of Lundbar Hills 61 Comment
  CAS-BOT-BC391785  Anemone deltoidea Mrs. H. C. Cantelow 1936-5-17 s.n. Humboldt 4 1/2 miles east of Orick Comment
  HSC59031  Anemone deltoidea M. A. Baker 1979-6-8 803 Humboldt Ladybird Johnson Memorial Grove, right of trail just after bridge over rd. Comment
  CAS-BOT-BC391870  Anemone grayi Doris K. Kildale 1928-5-1 5984 Humboldt MacLellan Mountain 914 Comment
  HSC41236  Anemone oregana var. oregana Brad Klipfel 1974-5-8 327 Humboldt Horse Mtn., to the NW below the towers Comment
  UC582661  Angelica genuflexa Joseph P. Tracy 1937-9-30 15690 Humboldt Dow's Prairie 60 Comment
  UC642313  Angelica genuflexa Joseph P. Tracy 1938-9-25 16165 Humboldt near Murphy Meadows (Bald Mountain); Bald Mountain 944 Comment
  UC562549  Angelica hendersonii Joseph P. Tracy 1930-7-21 8896 Humboldt Cape Mendocino, south of point of the Cape Cape Mendocino 3 Comment
  CDA38222  Angelica hendersonii T. C. Fuller 1958-6-17 1718 Humboldt Maritime bluff above Oceanhouse, Cape Mendocino. 0 Comment
  HSC71419  Angelica hendersonii J. M. DiTomaso 1980-7-29 1797 Humboldt Elkshead, 2 mi N of Trinidad Comment
  HSC71276  Angelica lucida J. M. DiTomaso 1980-6-8 1577 Humboldt Next to Hwy 101 between Arcata and Eureka, 1.5 mi. S of Indianola Rd. Comment
  HSC101671  Angelica tomentosa Cara Witte 2008-8-6 999 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  UCR270360  Angelica tomentosa John F. Emmel 2003-7-30 1801 Humboldt North Coast, Bald Hills Road, 21.5 road mi southeast of Hwy 101, near south end of French Camp Ridge 915 Comment
  UC485304  Anisocarpus madioides J. P. Tracy 1903-5-24 1909 Humboldt Alder Point 304 Comment
  HSC57616  Antennaria racemosa G. L. Clifton, Griswold 1979-7-25 10740 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UCR48595  Anthemis cotula R. D. Goeden, Don W. Ricker 1987-9-2 870902- 13 Humboldt Loleta, along Cannibal Road 8 Comment
  BLMAR361  Anthemis cotula Jennifer Anthony-Wheeler 2003-5-21 361 Humboldt South Spit, Disturbed area on west side of road 9 Comment
  UCD85497  Anthoxanthum occidentale H. S. Yates 1936-6-22 5850 Humboldt 4 miles NE of Bald Mtn. Comment
  BLMAR50  Anthoxanthum odoratum Brad Barr June, 1982 50 Humboldt King range, ridgetop of Johnny Jack ridge Comment
  HSC8929  Anthoxanthum odoratum True Hoyle 1967-7-24 29667 Humboldt Oscar Stapp Ranch near Showers Creek and Showers Pass 1006 Comment
  HSC8943  Anthoxanthum odoratum R. V. Papike 1962-5-25 31 Humboldt Above Humboldt State University campus 91 Comment
  UC187269  Anthoxanthum odoratum Joseph P. Tracy 1906-4-29 2424 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UCD56235  Anthoxanthum odoratum Joseph. P. Tracy 1942-6-2 17101 Humboldt 2 miles north of Bridgeville. 609 Comment
  JEPS5352  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1935-10-13 14756 Humboldt Willow Creek; Trinity River Valley 152 Comment
  UC1198737  Aphanes occidentalis J. P. Tracy 1904-4-3 2005 Humboldt immediate vicinity Eureka 0 Comment
  HSC40992  Apocynum androsaemifolium Thomas W. Nelson, Jane P. Nelson 1977-9-3 3730 Humboldt N of pond above Alder Springs 1616 Comment
  UC176867  Apocynum cannabinum Joseph P. Tracy 1912-7-26 3838 Humboldt Kneeland Prairie North Coast Ranges, Kneeland Prairie 762 Comment
  HSC31555  Aquilegia formosa Glenn McGourty 1974-5-11 45 Humboldt Along Maple Creek Rd. Comment
  HSC18037  Aquilegia formosa var. formosa F. B. Plett 1963-5-11 45 Humboldt 1.5 mi. N of Trinidad on old Hwy. 101 Comment
  HSC56192  Aquilegia formosa var. truncata Gilbert Muth 1979-8-1 12132 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC70689  Arabis breweri var. breweri Gail Newton 1980-7-15 1568 Humboldt Near Sims Mtn. 1311 Comment
  HSC76286  Aralia californica Teresa Prendusi 1981-7-23 364 Humboldt Near Black Mtn. 890 Comment
  UCD128219  Aralia californica B. L. Kay 1954-8-26 s.n. Humboldt 5 miles west of Gaberville. Comment
  UC1198123  Arceuthobium campylopodum Joseph P. Tracy 1935-7-22 14127 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1198124  Arceuthobium campylopodum Doris Kildale 1926-9-6 Humboldt Lasseck's Peak 1524 Comment
  UC1198125  Arceuthobium campylopodum J. P. Tracy 1901-6-26 1060 Humboldt on Humboldt HIll Eureka vicinity 0 Comment
  JEPS44157  Arctium minus W. L. Jepson 1902-8-3 2136 Humboldt low lands near, over Eel River Ferndale Ferry 1 Comment
  UC585939  Arctostaphylos Joseph P. Tracy 1934-3-11 13160 Humboldt French Camp Ridge 1066 Comment
  SD62040  Arctostaphylos canescens Darley F. Howe 1965-8-12 4129 Humboldt 7.9 miles south of Honeydew. Comment
  OBI33905  Arctostaphylos canescens subsp. sonomensis David J. Keil 1983-7-2 17321 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mountain Summit rd Comment
  BLMAR176  Arctostaphylos columbiana Donald Hazlett 1994-6-7 176 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC23771  Arctostaphylos columbiana Joseph P. Tracy 1945-3-30 17497 Humboldt Eureka 45 Comment
  CAS-BOT-BC23785  Arctostaphylos columbiana Doris K. Kildale 1927-2-22 2980 Humboldt Kneeland Prairie at juncion of old and new roads 609 Comment
  CAS-BOT-BC23813  Arctostaphylos columbiana C. Hart Merriam 1920-9-19 s.n. Humboldt Bald Mt. between Korbel and Redwood Creek Comment
  HSC39054  Arctostaphylos columbiana Linda M. Barker 1976-2-22 1319 Humboldt 3 mi. W of Arcata Comment
  RSA622680  Arctostaphylos columbiana Jon E. Keeley 1996-10-13 27769 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  RSA24329  Arctostaphylos columbiana var. columbiana C. B. Wolf 1941-2-26 4041 Humboldt 6 2/10 mi. W. of Klamath River Bridge on Weitchpec to Orick Rd. 610 Comment
  RSA252144  Arctostaphylos columbiana var. tracyi Gary D. Wallace 1974-12-22 1345 Humboldt Near coast N of Trinidad at the edge of the W part of Big Lagoon. 61 Comment
  HSC7633  Arctostaphylos glandulosa J. Pursell 1964-10-18 10185 Humboldt 5 mi. from Hwy. 299 on Bald Mtn. Road Comment
  RSA633017  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27811 Humboldt Salyer Rest Area, east of Salyer, east of Willow Creek on Highway 299. 200 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
  CAS-BOT-BC24371  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-3-10 2993 Humboldt Dobbyns Creek. Comment
  UC585957  Arctostaphylos nevadensis Joseph P. Tracy 1927-6-12 8132 Humboldt Horse Mountain 1432 Comment
  SEINET11989136  Arctostaphylos nevadensis subsp. knightii W. Knight, Knight, I. 1982-1 4517 Humboldt Tilden Botanic Garden, Berkeley, orig. from French Camp on road between Orick & Wichepec Comment
  CAS-BOT-BC46630  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16419 Humboldt Grouse Mountain. 1524 Comment
  UC1198669  Arctostaphylos patula Joseph P. Tracy 1939-8-16 16407 Humboldt Horse Mountain 1402 Comment
  UC32689  Arctostaphylos patula J. Burtt Davy 1899-6-21 5752 Humboldt slopes of Trinity Summit North Coast Ranges 1219 Comment
  UC585901  Arctostaphylos patula Joseph P. Tracy 1927-6-12 8136 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC46196  Arctostaphylos stanfordiana L. B. Kildale 1930-8-3 s.n. Humboldt Chaparral Mt. at Bug Creek. Comment
  HSC12226  Arctostaphylos uva-ursi Gary J. Stebbins 1970-4-18 68 Humboldt Along road to Samoa 1.1 mi. S of Mad River slough bridge Comment
  UC154160  Arctostaphylos uva-ursi Harley P. Chandler May, 1901 1206 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC21912  Arctostaphylos uva-ursi J. Burtt Davy 1899-7-30 6184 Humboldt opposite Eureka; Samoa Comment
  UCD52028  Arctostaphylos uva-ursi Roman Gankin 1965-8-6 554 Humboldt Sand dunes west of road. 1.3 miles south of Samoa, Samoa Peninsula, Humboldt County, California. Comment
  UCD52039  Arctostaphylos uva-ursi Roman Gankin 1965-8-6 556 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  SEINET11987137  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 3993 Humboldt Tilden Botanic Garden, Berkeley, orig. from Table Bluffs near Eureka Comment
  SEINET11987223  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 3934 Humboldt Tilden Botanic Garden, Berkeley, orig. from S end of sand spit at Samoa Comment
  JEPS86731  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt on, 3.4 mi w of Main Street, in Larry Pries dairy Centerville Beach Road; Ferndale Comment
  HSC94121  Arctotheca calendula Gordon Leppig 2000-4-9 1288 Humboldt Union St. at 7th St. South of Phillips House 24 Comment
  UC668126  Arenaria congesta var. suffrutescens Joseph P. Tracy 1932-7-12 10478 c Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  HSC16904  Armeria maritima subsp. californica R. J. Vernimen 1963-4-27 41 Humboldt 0.5 mi. off Samoa Rd., behind the Georgia-Pacific dump, 7.5 mi. SW of Arcata. Comment
  RSA245251  Armeria maritima subsp. californica David K. Smith 1968-10-11 6 Humboldt 3 mi S of Trinidad. Comment
  RSA246710  Armeria maritima subsp. californica Robert F. Thorne, Percy C. Everett 1965-8-5 35158 Humboldt Samoa Dunes. 3 Comment
  UCR122371  Armeria maritima subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 7017 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UCSB15631  Armeria maritima subsp. californica Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa; on peninsula on western side of Humboldt Bay Comment
  HSC38495  Arnica cernua D. E. Anderson, J. P. Smith 1971-6-18 - 1088 Humboldt Horse Mtn. Comment
  UC302176  Arnica cernua Joseph P. Tracy 1926-5-2 7449 Humboldt near Ruby Creek; Northern Coast Ranges, Willow Creek Canyon 609 Comment
Read comments
Feb 27 2007
  BLMAR524  Arnica discoidea Jennifer Wheeler 2009-6-23 524 Humboldt King range, On King Peak road Comment
  HSC4693  Arnica discoidea J. P. Tracy 1935-7-23 14154 Humboldt Trinity Summit; lower end of Brett Hole Comment
  HSC64195  Arnica discoidea J. O. Sawyer, M. A. Erickson 1979-6-23 3373 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  RSA167207  Arnica discoidea Joseph P. Tracy 1950-8-8 19273 Humboldt 2 miles E of town, on trail to Croghan Hole, Trinity Summit, near Box Camp. 1524 Comment
  RSA417143  Arnica discoidea H. M. Pollard 1947-8-8 s.n. Humboldt South River Road, south of Orleans Comment
  HSC58301  Arnica diversifolia Overton, Butler 1979-8-2 12575 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  SEINET11837491  Arnica tomentella J. P. Tracey 1950-1 19273 Humboldt 2 mi E of town, on trail to Croghan Hole. Trinity Summit, near Box Camp 1524 Comment
  SEINET200928  Arrhenatherum elatius J. P. Tracy 1919-8-28 5184 Humboldt Eureka 0 Comment
  SEINET10473422  Artemisia Mary Susan Taylor 1990-8-22 Taylor 6078 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  CAS-BOT-BC84836  Artemisia douglasiana Doris K. Kildale 1926-8-8 2472 Humboldt Dyerville Bridge 45 Comment
  HSC38212  Artemisia douglasiana R. Sutherland 1976-8-19 17 .19876 Humboldt 482 Comment
  RSA15560  Artemisia suksdorfii C. B. Wolf 1927-8-29 1220 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  CAS-BOT-BC400535  Asarum caudatum H. E. Parks 1931-3-24 0918 Humboldt Near Orick Comment
  HSC100388  Aspidium nevadense Carl C. Marshall Apr 1885 124 Humboldt Near streams and swamps. Comment
  CAS-BOT-BC65943  Aspidotis densa L. B. Kildale 1930-6-1 9764 Humboldt Klamath River at Bluff Creek Comment
  CHSC23909  Aspidotis densa D. E. Anderson 1965-5-1 3582 Humboldt Along road to Bluff Creek campground, about 3 miles from its jct. With Hw. 96. Comment
  RSA12562  Aster alpigenus C. B. Wolf 1934-7-2 5877 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  RSA20814  Aster chilensis C. B. Wolf 1937-9-9 9312 Humboldt N Coast Range, Wildcat ridge, 6.3 miles S of Ferndale. 305 Comment
  SEINET196546  Aster chilensis Ynez Whilton Winblad 1941-6-24 Humboldt Between Garberville and Pepperwood. Comment
  CAS-BOT-BC27580  Astragalus agnicidus Henry Tosten 1931-6-7 s.n. Humboldt near Bear Buttes, 4 mi. S of Miranda Comment
  UC175639  Astragalus rattanii var. rattanii Joseph P. Tracy 1913-5-4 4051 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC302115  Astragalus rattanii var. rattanii Joseph P. Tracy 1926-5-15 7486 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC33516  Astragalus rattanii var. rattanii Chesnut and Drew July 1888 Humboldt Mad River Comment
  HSC101497  Astragalus umbraticus Thomas W. Nelson, Jane P. Nelson 1987-6-27 8620 Humboldt Along Forest Service Road to Onion Lake, 8.2 miles from junction with State Route 96 823 Comment
  HSC56967  Asyneuma prenanthoides Overton, Butler 1979-7-23 9491 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  SBBG69571  Asyneuma prenanthoides S. W. Hutchinson -Jun-1925 93 Humboldt Redwood Hwy 243 Comment
  CAS-BOT-BC69521  Athyrium filix-femina subsp. cyclosorum L. R. Abrams 1916-7-11 6053 Humboldt At mouth of Grizzly Creek on Van Duzon River. Comment
  RSA24191  Athyrium filix-femina subsp. cyclosorum C. B. Wolf 1941-3-2 9983 Humboldt Along north bank of the Van Duzen River, 4 3/10 miles above Carlotta. 46 Comment
  RSA413349  Athyrium filix-femina subsp. cyclosorum R. Whittaker, W. A. Niering 1963-6-14 491 Humboldt Humboldt Redwoods, Weott 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
  HSC4343  Atriplex leucophylla D. E. Anderson 1961-9-13 1809 Humboldt Big Lagoon County Park Comment
  HSC90252  Atriplex prostrata Jean Hanson 1980-8-28 111 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, across from Coast Guard Station and within 30 ft. of hi tide line and within 1 ft. of water inland. Comment
  HSC26780  Avena barbata Thomas W. Nelson 1971-5-31 461 Humboldt 915 Comment
  RSA129099  Avena barbata H. L. Person 1932-5-11 s.n. Humboldt Near Arcata Comment
  UC1192363  Azolla filiculoides Malcolm A. Nobs and S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach Comment
  JEPS21315  Baccharis glutinosa W. L. Jepson 1932-7-24 16391 Humboldt Garberville, Tooey Ranch Garberville Comment
  CAS-BOT-BC98032  Baccharis pilularis Doris K. Kildale 1926-11-27 2845 Humboldt Alton Bluff 30 Comment
  HSC68159  Baccharis pilularis subsp. consanguinea J. P. Smith 1971-10-6 4963 Humboldt End of Murray Rd. in McKinleyville. Comment
  UCR123950  Bellis perennis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6993 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC98166  Bellis perennis Lincoln Constance 1934-6-3 800 Humboldt Bull Creek Region; South Fork Eel River: N Dyerville Flat Comment
  HSC38080  Berberis aquifolium Thomas W. Nelson, James Nelson 1976-5-30 2627 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC97596  Berberis aquifolium var. aquifolium Steven Lee 2004-4-26 31 Humboldt Horse Mtn., 5 mi. up Titlow Hill Rd. from Hwy. 299 Comment
  HSC71607  Berberis aquifolium var. repens Gail Newton 1980-6-16 201 Humboldt Near Onion Mtn. 1280 Comment
  HSC3361  Berberis darwinii G. L. Cribbs 1966-5-7 1049 Humboldt Cooper Canyon at end of L St. 15 Comment
  JEPS47776  Berberis nervosa Milo S. Baker 1923-7-31 187 Humboldt Lawrence Creek Comment
  CAS-BOT-BC66268  Blechnum spicant L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp 1219 Comment
  UC62522  Blechnum spicant W. C. Blasdale 1896-6-1 Humboldt Freshwater Comment
  JEPS35166  Blechnum spicant Milo S. Baker 1923-7-19 83 Humboldt canyon near Wilder's; Mattole River region, sw Humboldt Co. Comment
  SFV12198  Blennosperma nanum R. Gankin, W. R. Hildreth 1966-3-15 700 Humboldt Serpentine slopes of Klamath River Canyon. State Highway 96, 4.6 miles north of Hoopa. Comment
  UC1196126  Boschniakia strobilacea Joseph P. Tracy 1939-4-29 16251 Humboldt Klamath River near Slate Creek. Comment
  HSC97981  Boykinia major Cara Witte 2007-7-11 487 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC14479  Boykinia occidentalis Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC27017  Boykinia occidentalis Brad Klipfel 1973-8-17 270 Humboldt Big Lagoon Park Comment
  SEINET12215472  Boykinia occidentalis H. P. Chandler 1901-1 1501 Humboldt Klamath River - North Coast Ranges 427 Comment
  HSC39796  Brassica rapa Peter Sorensen 1976-5-29 Humboldt King Salmon Comment
  RSA94123  Brickellia californica F. W. Peirson 1926-7-13 7048 Humboldt Mad River, vicinity of Blue Lake. Comment
  UC1145097  Briza maxima Joseph P. Tracy 1950-5-30 18711 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCR84719  Briza maxima Kathy Harper 1992-5-14 s.n. Humboldt North Coast Range, State Hwy 36 just north of the south fork of the Van Duzen River 762 Comment
  HSC38484  Briza minor Dennis Anderson, J. P. Smith 1971-6-18 - 1064 Humboldt Chezem Rd., 3 mi. E of bridge over Redwood Creek Comment
  SEINET4182983 Image available Briza minor Franklin Fitz Humboldt Backyard weed patch in Arcata Comment
  JEPS7739  Brodiaea elegans subsp. elegans W. L. Jepson 1932-7-24 16385 Humboldt Mail Ridge Comment
  UC15011  Brodiaea elegans subsp. elegans Harley P. Chandler June, 1901 1413 Humboldt Klamath River North Coast Ranges 304 Comment
  CAS-BOT-BC484218  Brodiaea elegans subsp. elegans Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River, Orleans Comment
  JEPS7733  Brodiaea elegans subsp. elegans Joseph P. Tracy 1926-6-27 7695 Humboldt Horse Mountain Pass on Trinity Highway; Northern Coast Ranges, Horse Mountain, Horse Mountain Pass 883 Comment
  SEINET200767  Brodiaea elegans subsp. elegans Joseph P. Tracy 1936-6-10 14925 Humboldt South Fork of Trinity River mountain slopes west of its mouth 305 Comment
  UC666940  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1936-5-30 14837 Humboldt near Samoa; Humboldt Bay 6 Comment
  RSA127007  Bromus carinatus H. S. Yates 1936-6-17 5692 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  CAS-BOT-BC149569  Bromus carinatus var. carinatus Joseph P. Tracy 1935-6-23 13982 Humboldt Northern Coast Ranges. French Camp Ridge. 1066 Comment
  HSC9214  Bromus carinatus var. marginatus R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on May Ranch. 732 Comment
  UC185779  Bromus carinatus var. maritimus Joseph P. Tracy 1912-6-9 3658 Humboldt Alton; Northern Coast Ranges, Alton 30 Comment
  UCD60204  Bromus catharticus var. elatus A. H. Murphy 1947-8-19 s.n. Humboldt Fairground's exper. area. Fortuna. Comment
  HSC103007  Bromus hordeaceus J. P. Smith 2014-5-23 13847 Humboldt Along the Hammond Trail north of Murray Road in McKinleyville 17 Comment
  HSC9246  Bromus hordeaceus L. H. Myers 1963-5-17 36 Humboldt W of Lanpheres Rd., Mad River slough area Comment
  UC1145188  Bromus laevipes Joseph P. Tracy 1950-6-15 18785 Humboldt 7 mi n of Haris (Mail Ridge); Mail Ridge 1036 Comment
  HSC9266  Bromus racemosus L. M. Malloy 1965-5-15 16 Humboldt N of Trinidad about 2 mi. on Trinity St. Comment
  UC60194  Bromus secalinus Rob. Smalley 1901-8-20 Humboldt Blocksburg Comment
  UC552677  Bromus tectorum Joseph P. Tracy 1935-6-23 13981 Humboldt Northern Coast Ranges, French Camp Ridge French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  JEPS75417  Bromus vulgaris W. L. Jepson 1932-7-27 16422 Humboldt Bull Creek 106 Comment
  UC1145161  Bromus vulgaris Joseph P. Tracy 1937-7-25 15540 Humboldt Trintiy Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trintiy Summit, Little Hors-Linto Creek 1371 Comment
  UC37736  Bromus vulgaris Harley P. Chandler May, 1901 1177 Humboldt North Coast Ranges, Humboldt Bay Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  UC84157  Cacaliopsis nardosmia J. W. Blankinship 1893-6-15 Humboldt Jager Comment
  UC673075  Cakile edentula Joseph P. Tracy 1940-10-3 16739 Humboldt near Samoa (on Humboldt Bay); Humboldt Bay 3 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
  UCR121764  Cakile maritima George K. Helmkamp, E. A. Helmkamp 2001-7-8 7025 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  CAS-BOT-BC185470  Calamagrostis canadensis Joseph P. Tracy 1932-7-14 10553 Humboldt Trinity Summit. Klamath Mountains. Corral Prairie. 1524 Comment
  UCD56961  Calamagrostis foliosa Joseph P. Tracy 1938-6-17 15967 B Humboldt near 'Panther Gap' on road between Mattole and Bull Creek. 822 Comment
  HSC76546  Calamagrostis koelerioides Teresa Prendusi 1981-7-21 282 Humboldt Near Whiteys Peak 1646 Comment
  CAS-BOT-BC185178  Calamagrostis nutkaensis Ira L. Wiggins 1932-7-25 5898 Humboldt Roadsides near McKenleyville. Comment
  SEINET200617 Image available Calamagrostis rubescens Joseph P. Tracy 1938-7-17 16082 Humboldt Local. Garberville. Comment
  HSC95654  Calandrinia ciliata Andrea Pickart 2002-4-3 43 Humboldt Lanphere Dunes 25 Comment
  UCR199655  Callitriche heterophylla subsp. bolanderi R. F. Thorne, Percy C. Everett 1965-8-9 35345 Humboldt Northwestern; Outer North Coastal region, along Hwy 101 about 3 miles N of Eureka 2 Comment
  JEPS84870  Callitriche stagnalis C. Thomas Philbrick 1987-6-9 2048 Humboldt ca. 0.5 mi. n. Orick (Redwood Creek, n. side of Rt. 101); Redwood Creek Comment
  CAS-BOT-BC80382  Calocedrus decurrens Doris K. Kildale 1928-7-1 5313 Humboldt Klamath River at mouth of Bluff Creek Comment
  HSC1284  Calocedrus decurrens P. J. Zinke 1950-8-2 148 Humboldt Elk Ridge 7 mi. W of Miranda 640 Comment
  HSC1286  Calocedrus decurrens Elrid H. Spinas 1948-5-22 39 Humboldt Horse Mtn. Comment
  OBI33734  Calocedrus decurrens David J. Keil 1983-7-2 17316 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  RSA46654  Calocedrus decurrens Doris K. Kildale 1937-9-14 15359 Humboldt Grouse Mountain Comment
  UC1225854  Calochortus amabilis Joseph P. Tracy 1948-6-13 18050 Humboldt Harris 609 Comment
  UC667124  Calochortus amabilis Joseph P. Tracy 1927-5-30 8090 Humboldt Garberville 152 Comment
  CAS-BOT-BC488451  Calochortus amabilis M. S. Jussel 1931-5-2 n.s. Humboldt Sylvandale, 8 miles N. of Barbarville Comment
  SEINET12051376  Calochortus coeruleus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -315 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Road (USFS Rd. 411) 150 Comment
  HSC36504  Calochortus tolmiei Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1887 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  HSC71492  Calochortus tolmiei R. York 1980-5-17 521 Humboldt Near Le Perron Peak 792 Comment
  HSC74349  Calochortus tolmiei Gail Newton 1980-6-28 748 Humboldt Near Mad River Butte. 1536 Comment
  JEPS17828  Calochortus vestae Joseph P. Tracy 1918-6 4513 Humboldt Eureka Northern Coast Ranges 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
  POM273040  Calycadenia ciliosa H. M. Pollard 1945-8-31 s.n. Humboldt Orleans to Somes Bar, east side of Klamath River. Comment
  JEPS20233  Calycadenia fremontii Joseph P. Tracy 1938-8-14 16117 Humboldt South Fork of Trinity River, mountain slopes w of its mouth South Fork of Trinity River 304 Comment
  RSA47142  Calycadenia truncata subsp. scabrella Doris K. Kildale 1925-9-4 982 Humboldt Redwood Creek Comment
  HSC65477  Calypso bulbosa M. A. Baker 1980-6-7 1800 Humboldt Near Brush Mtn. 1128 Comment
  JEPS52522  Calyptridium umbellatum W. L. Jepson 1902-7-16 2040 Humboldt Trinity Summit 2133 Comment
  UC13637  Calyptridium umbellatum Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  JEPS31595  Calystegia occidentalis subsp. occidentalis W. L. Jepson 1934-5-7 16700 Humboldt Buckeye Prairie , Buckeye Prairie (Bull Creek) Comment
  UC562485  Calystegia occidentalis subsp. occidentalis Joseph P. Tracy 1933-7-21 12816 Humboldt Redwood House on road to South Yager; on road to South Yager, Redwood House 762 Comment
  CDA39889  Calystegia silvatica subsp. disjuncta Thomas Nelson 1976-8-1 3166 Humboldt At the intersection of 11th and B Streets, Arcata. 0 Comment
  HSC49802  Calystegia soldanella R. York 1979-5-18 295 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  UC1197878  Calystegia soldanella Joseph P. Tracy 1920-8-29 5397 Humboldt mouth Little River (sand dunes); Northern Coast Ranges, mouth Little River 6 Comment
  RSA244983  Calystegia soldanella R. E. Jones 1966-4-13 43 Humboldt Cape Mendocino 6 miles south of Cape. Comment
  SEINET3992220  Camassia leichtlinii Unknown 1925-7-5 1 /2/7179 Humboldt Bald Mountain 1067 Comment
  JEPS61560  Camassia quamash subsp. quamash Hilda W. Grinnell 1932-6-12 Humboldt below McKay Camp (South Fork Mountain); South Fork Mountain Comment
  HSC16450  Camissonia cheiranthifolia D. E. Anderson 1963-3-16 2386 Humboldt Scotia Bluffs Comment
  HSC45380  Camissonia cheiranthifolia R. York, Linda York 1978-4-1 99 Humboldt End of lighthouse Rd., 2 mi. SE of Petrolia. Comment
  NY679576  Camissonia cheiranthifolia subsp. cheiranthifolia L. Abrams 1916-7-18 6120 Humboldt Arcaba to Trinidad. Comment
  POM72743  Camissonia cheiranthifolia subsp. cheiranthifolia P. A. Munz 1925-6-20 9891 Humboldt Clam Beach, 14 miles north of Eureka Comment
  RSA246929  Camissonia cheiranthifolia subsp. cheiranthifolia Robert F. Thorne, Percy C. Everett 1965-8-5 35150 Humboldt Samoa Dunes. 3 Comment
  HSC48807  Camissonia strigulosa Brad Klipfel 1975-5-22 619 Humboldt Near the city of Eureka airport S of Samoa Comment
  CAS-BOT-BC160235  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Carl B. Wolf 1927-8-29 1221 Humboldt Seacoast, Devil's Gate, south of Cape Mendocino Comment
  UC249615  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joseph P. Tracy 1921-7-10 5852 Humboldt Big Lagoon Northern Coast Region 6 Comment
  SEINET10463600  Campanula scouleri Sawyer 1980-9-9 SAWYER 4085 Humboldt MILL CREEK LAKE & SURROUNDING MEADOWS WHITE FIR FOREST SALMON MTN.QUAD. T8N R6E SEC. 3 Comment
  UC492265  Capsella bursa-pastoris Joseph P. Tracy 1929-4-28 8544 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  RSA302679  Cardamine angulata J. R. Shevock 1972-3-26 1467 Humboldt Hwy 299. 366 Comment
  CAS-BOT-BC37430  Cardamine californica Parks; Tracy 1931-3-26 0916 Humboldt Lower Van Duzen River. 60 Comment
  HSC6690  Cardamine californica D. E. Anderson 1962-3-17 1934 Humboldt 4 mi. S of Lone Star Ranch Comment
  UC1199201  Cardamine californica Joseph P. Tracy 1926-2-28 7375 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, , nr South Fork T 182 Comment
  UC673283  Cardamine californica Lincoln Constance and Reed C. Rollins 1942-5-20 2998 Humboldt Eel River 1 mi n Pepperwood; Klamath-Siskiyou Region, Eel River n of Pepperwood 45 Comment
  RSA167405  Cardamine californica var. integrifolia Joseph P. Tracy 1950-5-7 18651 Humboldt On the Redwood House Road, S of Redwood House 1 mile, on Yager Slope. (Head of South Yager Creek). Comment
  UC1222655  Cardamine californica var. sinuata Joseph P. Tracy 1950-5-7 18651 Humboldt on the Redwood House Road 1 mi s Redwood House (on Yager Slope, head of South Yager Creek); head of South Yager Creek, on Yager Slope Comment
  UCR45400  Cardamine oligosperma Barry Silver 1986-4-23 539 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC78610  Cardamine oligosperma L. P. Janeway 1984-3-17 716 Humboldt N Spit of Humboldt Bay, W of Samoa Rd. near the boat launch ramp 5 Comment
  RSA441719  Cardionema ramosissimum M. B. Dunkle 1936-8-18 4828 Humboldt Moonstone Beach. Comment
  UCR121762  Cardionema ramosissimum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6997 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  UC562286  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  SEINET10588473  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 Tracy 13504 Humboldt Dense clumps in wettest places. Dry Lagoon - along coast in front of South End of Stone Lagoon. 3 Comment
  HSC95660  Carex arcta Juha Pykala, D. H. Norris 1987-6-5 1436 Humboldt E of Maple Creek, Lake Prairie 1052 Comment
  UC50827  Carex arcta J. P. Tracy 1901-6-30 1195 Humboldt immediate vicinity of Eureka 0 Comment
  UC1103620  Carex barbarae Joseph P. Tracy 1935-5-19 13808 Humboldt 2 mi N of Myers (South Fork of Eel River) 91 Comment
  CAS-BOT-BC19434  Carex bolanderi Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain Trail. 1371 Comment
  SEINET200965  Carex bolanderi Joseph P. Tracy 1914-7-5 4549 Humboldt Northern Coast Ranges Bald Mountain between High Prairie and Snow Camp. 1067 Comment
  UC1265367  Carex bolanderi Robert F. Thorne and P. Everett 1965-8-5 35136 Humboldt Mt. Chamisal, below summit Comment
  BLMAR502  Carex bolanderi Jennifer Wheeler 2009-5-9 502 Humboldt Headwaters Forest Reserve, HRC U08 Road; spur close to Elk River Comment
  CAS-BOT-BC19439  Carex bolanderi Doris K. Kildale 1927-6-25 3563 Humboldt Fearren's Ranch between Thorn [Whitethorn] and Shelter Cove. Comment
  SEINET3900272  Carex breviligulata Thomas Nelson, Ken Hindley 1978-5-28 4086 Humboldt On Mckeown Ranch north of Dinsmore.; 0 762 Comment
  CAS-BOT-BC34982  Carex densa Joseph Prince Tracy 1938-6-9 15877 Humboldt Dobbyn Creek. 152 Comment
  RSA246876  Carex echinata subsp. phyllomanica Robert F. Thorne, Percy C. Everett 1965-8-7 35188 Humboldt Big Lagoon. 2 Comment
  HSC76841  Carex exsiccata L. P. Janeway 1982-8-7 115 Humboldt Dry Lagoon 3 Comment
  CHSC109942  Carex geyeri Peter F. Zika 2011-7-3 25498 Humboldt Titlow Hill Road, 4.2 road miles SE of Route 299 at Berry Summit, 0.8 air km SSW of Horse Mountain, Outer North Coast Ranges. 1390 Comment
  BLMAR179  Carex globosa Jennifer Anthony-Wheeler 1994-6-7 179 Humboldt King range, Near horse Mt ridgee 670 Comment
  CAS-BOT-BC7564  Carex integra Joseph Prince Tracy 1935-7-23 14139 Humboldt Trinity Summit. Open places at Corral Prairie. 1584 Comment
  UC562427  Carex laeviculmis Joseph P. Tracy 1933-7-25 12856 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC75759  Carex leptopoda Teresa Prendusi 1981-7-7 137 Humboldt Near Slate Creek Butte. 1158 Comment
  RSA0014502  Carex mendocinensis Joseph P. Tracy 1924-6-15 6697 Humboldt Near Ruby Creek, on the Willow Creek Highway. 610 Comment
  UC249755  Carex multicostata Joseph P. Tracy 1924-5-4 6664 Humboldt Bridgeville Northern Coast Ranges 243 Comment
  RSA275388  Carex nudata Thomas W. Nelson, Jane P. Nelson 1977-5-30 3407 Humboldt Growing on rocky alluvium in Mad River at Anderson s Ford north of Dinsmore on the McKeown Ranch. 610 Comment
  CAS-BOT-BC119224  Carex pachystachya Joseph Prince Tracy 1935-6-23 13984 Humboldt French Camp Ridge. 1066 Comment
  CAS-BOT-BC119243  Carex pachystachya Joseph Prince Tracy 1939-7-9 16342 Humboldt Snow Camp 1402 Comment
  HSC73703  Carex pachystachya M. A. Baker 1980-7-22 3122 Humboldt Near Grogan Hole. 1676 Comment
  UC562641  Carex pachystachya Joseph P. Tracy 1935-6-8 13936 Humboldt Eureka Northern Coast Ranges 0 Comment
  SEINET10817662  Carex pachystachya Lawrence P. Janeway 1984-6-17 Janeway 847 Humboldt Willow Creek quad (15'). T6N, R4E, NW1/4 of sec. 33. Damp drainage along cutbank of Titlow Hill Rd at turn to Horse Mtn. Serpentine in jeffrey pine forest. 1420 Comment
  HSC7189  Carex pansa D. R. Junell 1965-5-2 39 Humboldt 1 mi. S of Fairhaven on Samoa peninsula Comment
  HSC75279  Carex rostrata J. O. Sawyer, D. A. Thornburgh 1980-9-9 4076 Humboldt Mill Creek Lake and surrounding meadows Comment
  JEPS122434  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain. Outer North Coast Ranges (NCoRO) Comment
  SEINET7577147 Image available Carex subfusca Andrew L. Hipp 1999-5-31 447 Humboldt Fort Seward, Alder Point Road, ca 2 mi N of intersection w/ Ft. Seward Rd. 503 Comment
  UC1561802  Carex tumulicola Barbara Ertter with Thomas J. Delendick 1987-5-16 6926 Humboldt ca. 15 air mi e Arcata (on n side of road, Vista Point just w of Berry Summit on Hwy. 299) 914 Comment
  CAS-BOT-BC115542  Carex unilateralis Joseph Prince Tracy 1933-6-9 12539 Humboldt Fortuna, Bed of winter pool. 18 Comment
  UC562627  Carex unilateralis Joseph P. Tracy 1933-6-9 12539 Humboldt Fortuna 18 Comment
  UC562332  Carex utriculata Joseph P. Tracy 8988 Humboldt South Fork Mountain; McKay Camp 1676 Comment
  JEPS80028  Carex vesicaria var. major Joseph P. Tracy 1914-9-6 4613 Humboldt between High Prairie and Snow Camp; Northern Coast Ranges, Bald Mountain 1219 Comment
  RSA246874  Carex viridula Robert F. Thorne 1965-8-7 35198 Humboldt Big Lagoon, south end. 2 Comment
  CHSC43009  Carex viridula subsp. viridula L. P. Janeway 1987-8-30 2534 Humboldt At Dry Lagoon. Middle of lagoon. 3 Comment
  HSC97203  Castilleja affinis subsp. affinis Kiera A. Freeman, Heather J. Perry 2007-6-4 2 Humboldt 8 mi. S of Hwy. 299 on NF1 1372 Comment
  HSC90806  Castilleja ambigua subsp. humboldtiensis Gail Newton 1982-5-2 2508 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC90966  Castilleja ambigua subsp. humboldtiensis Gail Newton 1982-6-5 3575 Humboldt Elk River Wildlife Area, Eureka. Comment
  HSC30743  Castilleja applegatei subsp. pinetorum D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5648 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  CAS-BOT-BC255522  Castilleja applegatei var. pinetorum Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1371 Comment
  UC582494  Castilleja arachnoidea Joseph P. Tracy 1935-7-24 14171 Humboldt near Trinity Summit Ranger Station; Trinity Summit 1828 Comment
  UC1173698  Castilleja attenuata Joseph P. Tracy 1939-4-29 16255 Humboldt Orleans 121 Comment
  SEINET12288574  Castilleja douglasii H. P. Chandler 1901-1 1485 Humboldt North Coast Ranges, Klamath River 427 Comment
  JEPS88809  Castilleja exserta subsp. latifolia T. I. and F. M. Chuang 1991-7-9 7877 Humboldt Samoa Sand Dune; near Louisiana Pacific Plant Comment
  HSC48386  Castilleja hispida subsp. brevilobata Brad Klipfel 1973-6-10 110 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC56041  Castilleja miniata G. L. Clifton, Griswold 1979-7-31 11608 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC76048  Castilleja miniata Overton, Butler 1979-8-2 12544 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  JEPS8622  Castilleja pruinosa Joseph P. Tracy 1926-6-27 7676 Humboldt Horse Mountain; Northern Coast Ranges 1432 Comment
  HSC56416  Castilleja rubicundula subsp. lithospermoides Griswold, Butler 1979-7-11 7070 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC1502130  Ceanothus R. Sutherland 1978-1-27 1 .27.78 Humboldt sse Nooning Creek (near Mattole River); Garberville Quad., , sse Nooning Creek 286 Comment
  CHSC105181  Ceanothus cuneatus var. cuneatus B. Castro; L. P. Janeway 1996-8-4 705 Humboldt Just off W boundary of Six Rivers NF, near Horse Mtn. Along Titlow Hill Rd (Rd #1), on sharp curves in road near a 'lookout' point. 1280 Comment
  UC18280  Ceanothus cuneatus var. cuneatus C. C. Marshall April 1888 Humboldt Hoopa Valley Comment
  HSC18281  Ceanothus foliosus R. H. Neuns 1950-10-17 141 Humboldt Bear Creek Rd. 6 mi N of Shelter Cove 610 Comment
  HSC101667  Ceanothus gloriosus var. exaltatus J. P. Smith, J. O. Sawyer 2011-4-23 13128 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  RSA399868  Ceanothus incanus J. P. Smith, J. O. Sawyer 1975-4-6 8050 Humboldt Road to Shelter Cove, 5 miles from the Whitehorn Ettersburg jct, roadside in mixed evergreen woodland Comment
  CAS-BOT-BC63681  Ceanothus integerrimus L. B. Kildale 1928-5-19 5138 Humboldt Chalk Mountain. Comment
  CDA36164  Ceanothus integerrimus var. macrothyrsus CDFA Staff 1977-6-21 Humboldt Willow Creek. 0 Comment
  UC275288  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1924-5-4 6669 Humboldt near Bridgeville; Northern Coast Ranges, Little Larabee Creek 243 Comment
  HSC43179  Ceanothus parryi R. Sutherland 1975-6-19 2 .19675 Humboldt 2 mi NE of Briceland 178 Comment
  CAS-BOT-BC53062  Ceanothus pumilus Joseph P. Tracy 1946-5-4 17526 Humboldt Willow Creek Canyon, along Trinity Highway 609 Comment
  HSC44431  Ceanothus pumilus Brad Klipfel 1975-5-24 635 Humboldt Horse Mtn. Comment
  CAS-BOT-BC52986  Ceanothus thyrsiflorus L. R. Abrams 1916-7-11 6052 Humboldt Mouth of Grizzly Creek on Van Duzor River Comment
  CAS-BOT-BC52987  Ceanothus thyrsiflorus Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  SBBG71387  Ceanothus thyrsiflorus var. thyrsiflorus R. Hartwell 1938-8-6 Humboldt above Arcata, near coast Comment
  CAS-BOT-BC52863  Ceanothus velutinus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  HSC18355  Ceanothus velutinus Francis Winter 1960-4-24 Humboldt 2 mi. SE of Schoolhouse Peak 838 Comment
  HSC55641  Ceanothus velutinus var. velutinus Overton, Butler 1979-7-24 9697 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC55749  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-7-26 10277 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC1199120  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Eureka 60 Comment
  CAS-BOT-BC277178  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt Horse Prairie, 2 mi. s. of Redcrest Comment
  JEPS30696  Centaurea X pouzinii T. C. Fuller 1961-9-26 7030 Humboldt 2 mi s of Redcrest; Horse Prairie Comment
  CDA7085  Centaurea calcitrapa T. C. Fuller 1961-9-26 7030 Humboldt Horse Prairie, 2 miles south of Redcrest. 0 Comment
  UC1541642  Centaurea melitensis Harold E. Parks 1934-7-6 5117 Humboldt Jaqua-Yager Creek road Jaqua-Yager Creek 762 Comment
  CDA7178  Centaurea nigra David Kratville 2007-8-24 PDR# 1440729 Humboldt Holmes; end of Holmes Flat Rd. Comment
  SEINET200746  Centaurium erythraea Joseph P. Tracy 1934-7-9 13347 Humboldt Dobbyn Creek. Comment
  JEPS46932  Centaurium muehlenbergii Joseph P. Tracy 1934-7-9 13347 Humboldt Dobbyn Creek 152 Comment
  UC726373  Centaurium muehlenbergii A. A. Heller 1923-7-8 13768 Humboldt 8 mi s Dyerville Comment
  JEPS46935  Centaurium muehlenbergii W. L. Jepson 1902-7-13 2022 Humboldt Willow Creek to Hupa Comment
  RSA69802  Centaurium muehlenbergii F. W. Peirson 1941-7-29 13110 Humboldt Stephens Grove State Park. Comment
  CDA111  Centaurium tenuiflorum D. G. Kelch 2007-7-25 7 .504 Humboldt Along Hwy 299 between Lord-Ellis Summit and Hwy 96. Comment
  HSC53808  Cephalanthera austiniae Griswold, Butler 1979-7-10 6239 Humboldt Near Board Camp Mountain, close to the town of Willow Creek 1494 Comment
  UC14951  Cephalanthera austiniae Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5625 Humboldt Bald Mt. Comment
  HSC45236  Cephalanthera austiniae Thomas W. Nelson, Jane P. Nelson 1977-7-1 3557 Humboldt N side of ridge between Bear Creek & Blanket Creek 1463 Comment
  UC1196469  Cephalanthera austiniae Stuart Harris 1936-6-12 3300 Humboldt Chalk Mt. 609 Comment
  UC162888  Cerastium arvense Harley P. Chandler June, 1901 1384 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  HSC79360  Cerastium arvense Kenneth Clark 1980-4-18 599 Humboldt Above Dead Man's gulch 175 Comment
  HSC4111  Cerastium fontanum subsp. vulgare Richard Steele 1962-5-2 24 Humboldt .25 mi. W of HSC campus 15 Comment
  HSC4099  Cerastium glomeratum H. E. Parks, S. T. Parks Apr 1944 24279 Humboldt Spruce Cove, Trinidad 61 Comment
  CAS-BOT-BC179480  Cercis occidentalis Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC2136  Cercis occidentalis Doris K. Kildale 1926-5-2 1909 Humboldt Willow Creek Comment
  HSC74573  Cercis occidentalis M. A. Baker 1980-5-17 1245 Humboldt Near Le Perron Peak 1066 Comment
  UC582766  Chaenactis douglasii var. douglasii Joseph P. Tracy 1935-7-30 14357 Humboldt Salmon Summit 1767 Comment
  SBBG11071  Chamaecyparis lawsoniana D. E. Breedlove 1961-7-4 646 Humboldt 7 mi W of Willow Crk on US Hwy 299 521 Comment
  HSC8035  Chamaesyce maculata D. E. Anderson 1963-9-21 2840 Humboldt 0.5 mi E of Willow Creek Comment
  UC199010 Image available Chamaesyce serpyllifolia Chesnut and Drew 1888-7-23 Humboldt Hy-am-pum Comment
  HSC55194  Chamerion angustifolium subsp. circumvagum G. L. Clifton, Griswold 1979-8-2 12274 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC99520  Chamerion angustifolium subsp. circumvagum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 183 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS39309  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1926-7-25 7755 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC1122511  Chamerion angustifolium subsp. circumvagum H. L. Person 1932-7-16 Humboldt hwy n Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC423060  Chamerion angustifolium subsp. circumvagum Chesnut and Drew 1888-7-15 Humboldt Arcata 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
  JEPS59693  Chenopodium ambrosioides Joseph P. Tracy 1934-8-4 13552 Humboldt Willow Creek Trinity River Valley 152 Comment
  RSA53826  Chenopodium ambrosioides var. ambrosioides H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  POM188634  Chenopodium botrys Marcus E. Jones 1931-7-16 28870 Humboldt Junction, East of Arcata Comment
  RSA44503  Chenopodium pumilio H. M. Pollard 1947-8-31 s.n. Humboldt Orleans Hotel grounds, Orleans. Comment
  CAS-BOT-BC451388  Chimaphila menziesii S. Matthews; M. Goering; R. James 1985-5-10 060 Humboldt Gray Falls Campground 240 Comment
  CAS-BOT-BC451495  Chimaphila umbellata M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N of Garberville Comment
  HSC55158  Chimaphila umbellata Gilbert Muth 1979-8-1 12119 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC45410  Chimaphila umbellata Thomas W. Nelson, Jane Nelson 1977-7-1 3567 Humboldt 1494 Comment
  UC314637  Chimaphila umbellata Joseph P. Tracy 1926-8-29 7777 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC15440  Chlorogalum pomeridianum Elrid H. Spinas 1948-5-15 13 Humboldt Horse Mtn. Comment
  SEINET3992227  Chlorogalum pomeridianum Unknown 1946-7-7 17611 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC98053  Chlorogalum pomeridianum var. pomeridianum Cara Witte 2007-7-17 541 Humboldt Along National Forest 1. Approximately 1/2 mile south of White Oak Opening. 1302 Comment
  CAS-BOT-BC236918  Chloropyron maritimum subsp. palustre Joseph P. Tracy 1938-7-15 16064 Humboldt At Fields Landing, around Humboldt Bay 3 Comment
  HSC98785  Chrysolepis chrysophylla var. chrysophylla Cara Witte 2007-9-14 649 Humboldt Grouse Mountain Lookout. Forest Service Road 4N70. 1649 Comment
  UC503101  Chrysolepis sempervirens Joseph P. Tracy Jul 16 1930-Jul 19 1930 8951 Humboldt summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  CAS-BOT-BC420346  Chrysosplenium glechomifolium V. Rattan 1879-6-1 27 Humboldt Long Prarie Creek Comment
  SEINET8726116 Image available Circaea alpina Unknown 1936-1 s.n. Humboldt Damp wooded bank of Yager creek at 2400 feet altitude, Humboldt County, California. 732 Comment
  UC562518  Circaea alpina subsp. pacifica Joseph P. Tracy 1936-8-7 15088 Humboldt head of Little Hors-Linto Creek (Trinity Summit); Trinity Summit 1371 Comment
  UC668240  Circaea alpina subsp. pacifica Joseph P. Tracy 1937-6-20 15349 Humboldt 10 mi. up stream from mouth of Bear R.; Bear R. 152 Comment
  RSA125055  Circaea alpina subsp. pacifica Peter H. Raven, R. Snow 1958-7-20 13640 Humboldt 1.1 miles south of junction of Friday Ridge Road on Titlow Hill Road, near Grouse Ridge. Comment
  UC162349  Circaea alpina subsp. pacifica Joseph P. Tracy 1911-7-5 3311 Humboldt near its mouth Willow Creek; Northern Coast Ranges, Willow Creek (tributary of Trinity R. 304 Comment
  UCD20404  Circaea alpina subsp. pacifica Donald C. Hagar 1957-8-27 218 Humboldt 8.5 miles NE of Hoopa, Domingo Block 'e'. 1371 Comment
  CAS-BOT-BC284408  Cirsium arvense Carl B. Wolf 1927-8-22 810 Humboldt Along the roadside at Orick Comment
  POM289622  Cirsium arvense Lyman Benson 1929-7-12 1789 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  POM289624  Cirsium arvense Lyman Benson 1928-7-12 482 Humboldt Weott Ranger Station, Seaward N. Coast Mt. Range, South Fork Eel River Watershed. 61 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
  CDA1113  Cirsium brevistylum T. R. Haig, T. C. Fuller 1959-6-12 2791 Humboldt 5 mi. N/ Richardson Grove. 0 Comment
  JEPS59310  Cirsium brevistylum W. L. Jepson 1936-8-15 17900 Humboldt 2 mi e Carlotta Comment
  UC1223057  Cirsium occidentale var. candidissimum Joseph P. Tracy 1950-8-4 19257 Humboldt at head of Canoe Creek; Bull Creek State Park, Grasshopper Peak, Canoe Creek Comment
  CDA8376  Cirsium remotifolium David Juliano 2008-6-6 PDR# 1379441 Humboldt Friday Ridge Rd., 0 Comment
  JEPS59184  Cirsium remotifolium var. odontolepis W. L. Jepson 1902-8-3 2139 Humboldt Bear River Range to Bear River (hills overlooking ocean); Bear River Range 152 Comment
  CAS-BOT-BC228803  Cistanthe umbellata R. K. Gierisch; D. H. Esplin 1969-7-1 3528 Humboldt Six Rivers National Forest. Grouse Mtn. Comment
  UC1196992  Clarkia Joseph P. Tracy 1942-6-15 17170 Humboldt 5 mi n Garberville 152 Comment
  UCD104030  Clarkia amoena James P. Smith 1973-5-26 6827 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1196995  Clarkia amoena Joseph P. Tracy 1913-7-20 4381 Humboldt near Berry's; Northern Coast Ranges, Redwood Creek 304 Comment
  UC162624  Clarkia amoena Joseph P. Tracy 1911-7-10 3499 Humboldt along road between Three Creeks and mouth Willow Creek; Northern Coast Ranges 762 Comment
  CAS-BOT-BC160973  Clarkia amoena subsp. amoena L. R. Abrams 1918-6-16 7140 Humboldt Willow Creek Comment
  BLMAR1  Clarkia amoena subsp. amoena Jennifer Anthony-Wheeler 1993-7-30 1 Humboldt King range, growing scattrd through coastal grassland along smith-etter 15 Comment
  CAS-BOT-BC160963  Clarkia amoena subsp. amoena Ynez Whilton Winblad 1941-6-24 s.n. Humboldt Between Garberville and Pepperwood Comment
  CAS-BOT-BC160966  Clarkia amoena subsp. amoena Alice Eastwood 1921-7-21 10663 Humboldt [Vanduzen] Van Duzen River, along the road Comment
  HSC48148  Clarkia amoena subsp. huntiana Thomas W. Nelson, Jane P. Nelson 1978-7-3 4410 Humboldt Along Hwy. 36, 100 m E of Dinsmore 610 Comment
  CAS-BOT-BC164592  Clarkia gracilis subsp. gracilis S. K. Harris; J. P. Tracy 1936-6-10 3261 Humboldt On hills west of the South Fork of the Trinity River near its mouth 640 Comment
  CAS-BOT-BC172509  Clarkia purpurea subsp. quadrivulnera J. P. Tracy 1933-7-3 12634 Humboldt Trinity River at Willow Creek 152 Comment
  HSC98618  Clarkia rhomboidea Cara Witte 2008-7-2 795 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  RSA256474  Clarkia rhomboidea Joseph P. Tracy 1937-7-24 15527 Humboldt Trinity Summit, 2 miles SE of Devil s Hole 1524 Comment
  JEPS127651  Claytonia Jurriaan M. de Vos 2014-7-1 301 Humboldt Along Bald Hills Road, near Dolason trail head parking. Comment
  HSC71813  Claytonia exigua subsp. exigua Thomas W. Nelson, Jane P. Nelson 1980-6-27 5954 Humboldt Six Rivers National Forest, saddle between two peaks E of Mt. Lassic 1768 Comment
  UC183596  Claytonia exigua subsp. glauca Joseph P. Tracy 1913-5-4 4049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  CAS-BOT-BC439782  Claytonia perfoliata Henry M. Pollard 1948-7-23 s.n. Humboldt Reece Point near Orleans. Comment
  UC203565  Claytonia rubra subsp. rubra Joseph P. Tracy 1918-4-14 4871 Humboldt Fish's Mill Creek; Northern Coast Ranges, Dows Prairie 60 Comment
  HSC48753  Claytonia sibirica Brad Klipfel 1973-6-10 79 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC59580  Claytonia sibirica Rick Lundquist 1979-4-6 1 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  UC162715  Claytonia sibirica Mrs. M. H. Manning Sep 1901 Humboldt near Hupa Comment
  UC672992  Claytonia sibirica Joseph P. Tracy 1936-8-24 15174 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  CAS-BOT-BC443850  Claytonia sibirica Alice Eastwood 1943-6-10 18978 Humboldt Landsdale [Lansdale] Grove, Redwood Highway Comment
  HSC17735  Claytonia sibirica P. Markle 1962-4-26 15 Humboldt Entrance to trail to HSU campus from City of Arcata reservoir road 30 Comment
  SEINET12051465  Clintonia andrewsiana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -287 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  CAS-BOT-BC238026  Collinsia Doris Kildale Gillespie 1931-6-7 10601 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC70392  Collinsia grandiflora M. A. Baker 1980-6-8 1908 Humboldt Near Buck Flat. 1554 Comment
  UC582461  Collinsia grandiflora Joseph P. Tracy 1927-6-12 8159 Humboldt Horse Mtn; Northern Coast Ranges; Horse Mtn 1219 Comment
  HSC66825  Collinsia greenei Gail Newton 1980-7-15 1555 Humboldt Near Sims Mtn. 1311 Comment
  JEPS7342  Collinsia heterophylla Joseph P. Tracy 1927-5-30 8089 Humboldt Vicinity of Garberville 121 Comment
  HSC102603  Collinsia linearis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1590 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC366914  Collinsia linearis V. Rattan Jun 1879 Humboldt Hoopa Valley Comment
  HSC39060  Collinsia parviflora Thomas W. Nelson, Jane P. Nelson 1976-5-31 2640 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC176057  Collinsia rattanii Joseph P. Tracy 1913-6-17 4190 Humboldt Northern Coast Ranges, Buck Mountain near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  RSA125053  Collinsia rattanii Peter H. Raven, R. Snow 1958-7-20 13633 Humboldt 2.8 miles south of junction of Titlow Hill and Friday Ridge roads, near Grouse Mountain. Comment
  HSC98863  Collomia grandiflora Cara Witte 2008-8-5 985 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  HSC58012  Collomia heterophylla G. L. Clifton 1979-7-31 11810 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC70375  Collomia heterophylla M. A. Baker 1980-6-7 1780 Humboldt Near Brush Mtn. 287 Comment
  HSC16920  Collomia heterophylla D. E. Anderson 1963-5-18 2450 Humboldt Near junction of New and Trinity Rivers Comment
  HSC43207  Collomia heterophylla R. Sutherland 1976-8-13 28 .13876 Humboldt In mouth of Redwood Creek at S Fork of Eel River 87 Comment
  HSC44406  Collomia heterophylla R. York 1978-5-6 158 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  JEPS26238  Collomia tracyi Joseph P. Tracy 1930-7-16 9046 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC133632  Collomia tracyi Joseph P. Tracy 1908-6 2719 Humboldt opposite Buck Mountain (sand bars along river); Northern Coast Ranges, valley of Van Duzen River; valley of Van Duzen River, opposite Buck Mt., Humboldt Co. 304 Comment
  UC179929  Conium maculatum Joseph P. Tracy 1914-6-7 4496 Humboldt Region about Humboldt Bay (South Fork Elk River, at Falk's Mill); Northern Coast Region 0 Comment
  HSC25946  Convolvulus arvensis Thomas W. Nelson 1970-12-1 289 Humboldt 1 mi. N of the N Rio Dell bridge over the Eel River Comment
  HSC49022  Convolvulus arvensis Patricia Shesgreen 1978-8-28 146 Humboldt At 11th and A St., Arcata Comment
  RSA696831  Conyza canadensis J. Russell Bruff 1937-8-17 939 Humboldt Richardson Grove, bed of Eel River. Comment
  HSC38101  Coptis laciniata Thomas W. Nelson, James Nelson 1976-5-30 2620 Humboldt McKeown Ranch, N of Dinsmore. Comment
  BLMAR83  Corallorhiza maculata Jennifer Anthony-Wheeler 1994-6-2 83 Humboldt IAQUA 1036 Comment
  HSC39677  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson 1976-6-16 2745 Humboldt Along FS 2S08, between Alder Springs & Pine Mtn. 1494 Comment
  UC14965  Corallorhiza maculata P. E. Goddard 1901-7-8 29 Humboldt Hupa Valley Comment
  UC1046561  Corallorhiza mertensiana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3420 Humboldt 4700 ft ridge between Mad River and; Bald Mountain, Snow CamRedwood Creek Comment
  CAS-BOT-BC101145  Corethrogyne filaginifolia Joseph P. Tracy 1936-8-17 15157 Humboldt Arcata Bottom 15 Comment
  UCD130872  Corethrogyne filaginifolia Joseph P. Tracy 1950-6-15 18764 Humboldt 1 mile west of town, near Petrolia, between town and Ocean. Comment
  RSA167256  Corethrogyne filaginifolia var. californica Joseph P. Tracy 1947-6-8 17705 Humboldt Carlotta; open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  HSC38082  Cornus nuttallii Thomas W. Nelson, James Nelson 1976-5-30 2625 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC6408  Cornus nuttallii John A. Dubois 1962-5-12 8 Humboldt 20 mi. E of Arcata. Comment
  RSA46900  Cornus nuttallii Doris K. Kildale 1925-8-13 1134 Humboldt Willow Creek, bank of Trinity River. 152 Comment
  UC1196911  Cornus nuttallii Joseph P. Tracy 1908-6-9 2675 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA97270  Cornus nuttallii F. W. Peirson 1923-7-9 3956 Humboldt Humboldt County State Park on Eel River, northern California. Comment
  HSC6421  Cornus sessilis D. E. Anderson 1963-3-1 2368 Humboldt E Fork Forest Camp, along E Fork Willow Creek. Comment
  RSA24326  Cornus sessilis C. B. Wolf 1941-2-28 4048 Humboldt Junction of Willow Creek and its E. fork. 457 Comment
  RSA46902  Cornus sessilis Doris K. Kildale 1926-8-15 2507 Humboldt Willow Creek. 152 Comment
  UC1197931  Corylus californica Mary Harriet Tracy 1946-5-30 Humboldt 5 mi E of Carlotta (Riverside Park) 30 Comment
  UC54931  Corylus californica P. E. Goddard 1901-7-12 73 Humboldt Hupa Comment
  CAS-BOT-BC180309  Corylus cornuta subsp. californica L. B. Kildale 1928-7-1 5311 Humboldt French Camp in Orick - Martin's Ferry road Comment
  POM270388  Corylus cornuta var. californica Lyman Benson 1927-7-12 621 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  CHSC102915  Cotoneaster lacteus Arthur Lee Jacobson 2007-8-13 Humboldt North Coast. North of Mill Creek and W of Stagecoach Road, southern part of Trinidad State Beach. 50 Comment
  CAS-BOT-BC143494  Cotoneaster pannosus Peter F. Zika 2007-7-20 23324 Humboldt Lynda Lane near high school, S end of Big Lagoon, (NCo, North Coast) 20 Comment
  CAS-BOT-BC291344  Cotula coronopifolia Doris K. Kildale 1925-9-26 1366 Humboldt Mouth of Mad River Comment
  HSC39945  Cotula coronopifolia Linda M. Barker 1976-6-1 1554 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  RSA246787  Cotula coronopifolia R. F. Thorne, Percy C. Everett 1965-8-8 35272 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  UC249632  Crassula connata var. erectoides Joseph P. Tracy 1921-4-24 5445 Humboldt Phillipsville Flat Northern Coast Ranges, S. Fork Eel R., Phillipsville Flat 91 Comment
  RSA89624  Crataegus monogyna E. K. Balls, Percy C. Everett 1953-10-13 18652 Humboldt 1 mile N of Arcata along Hwy 101. 6 Comment
  JEPS89545  Crepis capillaris Dean W. Taylor 1991-9-15 12288 Humboldt along Hwy. 101 near mouth of Tom Creek (Big Lagoon); N. Coast Ranges, Big Lagoon 3 Comment
  HSC31207  Crepis pleurocarpa D. E. Anderson 1972-6-20 5742 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  UC1223025  Crepis pleurocarpa Joseph P. Tracy 1947-7-9 17846 Humboldt Horse Mountain; top 1432 Comment
  SEINET12145336  Croton setiger E. A. York 1990-1-10 2702 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC41196  Cryptantha affinis Thomas W. Nelson 1977-7-4 3611 Humboldt Along road N of Alder Springs. 1524 Comment
  UC594155  Cryptantha flaccida S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3424 Humboldt nw slopes Buck Mountain 822 Comment
  HSC74455  Cryptogramma acrostichoides Gail Newton 1980-8-10 2005 Humboldt Near Blake Mtn. 1798 Comment
  UC902071  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18408 Humboldt Mud Springs Trinity Summit 1341 Comment
  UC198629  Cuscuta occidentalis Joseph P. Tracy 1916-9-6 4760 Humboldt headwaters of Canoe Creek Northern Coast Ranges, Grasshopper Ridge, Canoe Creek 609 Comment
  HSC82965  Cuscuta salina A. L. Eicher 1985-8-17 Humboldt Border of Humboldt Bay .2 mi. S of mouth of Jacoby Creek 1 Comment
  UC662622  Cuscuta salina var. major C. C. and S. K. Harris 1941-8-28 1175 Humboldt near Table Bluff; Humboldt Bay Comment
  JEPS47121  Cuscuta suaveolens Joseph P. Tracy 1918-9-29 5113 Humboldt 2 mi above mouth of South Fork of Eel River (Myers Ranch); Northern Coast Ranges, South Fork of Eel River 60 Comment
  RSA44472  Cynodon dactylon Henry M. Pollard 1948-7-18 s.n. Humboldt Orleans Comment
  HSC3639  Cynoglossum grande Paul Shields Apr 1955 Humboldt Kneeland Comment
  UC1222257  Cynoglossum occidentale Joseph P. Tracy 1948-8-15 18121 Humboldt on Ridge 2 mi. e. Grove's Prairie (Trinity Summit Rd. high point); Trinity Summit 1524 Comment
  HSC69630  Cynosurus echinatus R. Kalal 1980-6-3 29 Humboldt Junction of Spring St. and Hill St., Arcata 43 Comment
  HSC89500  Cynosurus echinatus M. Roantree 1985-5-30 68 Humboldt West side of Trinidad Head Comment
  UC1103242  Cynosurus echinatus Joseph P. Tracy 1942-6-15 17141 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  UC1103243  Cynosurus echinatus Joseph P. Tracy 1950-6-8 18732 Humboldt Bear River Ridge 609 Comment
  UC1103244  Cynosurus echinatus Joseph P. Tracy 1950-6-21 18855 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  UC1103245  Cynosurus echinatus Joseph P. Tracy 1947-6-28 17753 Humboldt Larrabee Valley 731 Comment
  UCD141076  Cyperus eragrostis Gordon Leppig 1998-6-26 859 Humboldt McKinleyville, Hammond Trail, 100 m south of Knox Cove. 18 Comment
  UCR3545  Cyperus eragrostis David Whistler, H. M. Whistler 1964-7-29 640729- 2 Humboldt North Coast Range, US 101, [South Fork Eel River] across the street from Myers Flat Store 63 Comment
  HSC38833  Cyperus eragrostis R. Sutherland 1976-8-6 15 .6876 Humboldt 223 Comment
  UC1196441  Cypripedium californicum Joseph P. Tracy 1926-6-6 7575 Humboldt on road from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  POM208983  Cystopteris fragilis Lincoln Constance 1934-6-2 781 Humboldt The mouth of Bull Creek, Humboldt Redwood Park 46 Comment
  HSC14680  Cytisus multiflorus R. A. Magie 1964-5-3 56 Humboldt 2 mi. N of Trinidad on old Hwy. to Crescent City. Comment
  CAS-BOT-BC189768  Dactylis glomerata Doris K. Kildale; J. W. Gillespie 1929-6-25 8390 Humboldt Pines Pasture, Eureka. 30 Comment
  HSC79501  Dactylis glomerata Kenneth Clark 1980-6-14 685 Humboldt Shelter Cove; in stream alluvium of N fork of Dead Man's Gulch 198 Comment
  UC184230  Dactylis glomerata Joseph P. Tracy 1912-6-16 3696 Humboldt near Fields Landing; Northern Coast Region, region about Humboldt Bay 0 Comment
  HSC32479  Danthonia californica D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5721 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC58114  Danthonia californica G. L. Clifton, Griswold 1979-8-1 12073 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC69873  Danthonia californica Thomas W. Nelson 1978-5-28 4096 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  UC187246  Danthonia californica var. americana Joseph P. Tracy 1906-6-24 2510 Humboldt Humboldt Hill Northern Coast Region, region about Humboldt Bay (s slope) 0 Comment
  UCD61078  Danthonia unispicata R. Tofsrud 1948-9-3 Humboldt Road junction near summit of Horse Mt. 1463 Comment
  UCD61366  Danthonia unispicata Joseph P. Tracy 1951-6-26 19571 Humboldt Snow Camp and Twin Lakes vicinity. Comment
  HSC104098  Darlingtonia californica Monica Rodriguez, William A. Worley 2015-3-21 24 Humboldt Along South Fork Rd, 8.9 mi. from 199 Redwood Hwy. Comment
  BLMAR173  Daucus pusillus Donald Hazlett 1994-6-7 173 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC642294  Daucus pusillus Joseph P. Tracy 1936-6-8 14870 Humboldt bluffs facing ocean Trinidad 3 Comment
  BLMAR630  Delphinium decorum Jennifer Wheeler 2011-6-15 630 Humboldt Lacks Creek, Pine Ridge Road Comment
  CAS-BOT-BC9026  Delphinium decorum subsp. tracyi John Rehling 1975-5-12 71 Humboldt Bald Hills, 2 miles up Williams Ridge Road. Comment
  HSC97177  Delphinium decorum subsp. tracyi Benjamin Hart, Erin Lonergan 2007-6-4 2 Humboldt Grouse Mtn., Coldsprings Camp, 6.5 mi. up Titlow Hill Rd. 1372 Comment
  CAS-BOT-BC10310  Delphinium hesperium Alice Eastwood; John Thomas Howell 1937-6-23 4854 Humboldt Mad River Canyon, between Kneeland and Korbel Comment
  RSA152334  Delphinium hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley, Willow Creek Comment
  UC1222579  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1950-6-23 18875 Humboldt hillside along creek 3 mi n Blocksburg; Larrabee Creek Comment
  CAS-BOT-BC10137  Delphinium menziesii Mrs. H. C. Cantelow 1941-4-19 s.n. Humboldt 2.5 mi. NE of Cape Town on road to Ferndale Comment
  HSC48947  Delphinium nudicaule M. A. Baker 1979-5-15 733 Humboldt Along old bed of Bluff Creek Comment
  HSC32132  Delphinium nuttallianum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5603 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  CAS-BOT-BC121962  Delphinium trolliifolium Doris K. Kildale 1928-5-15 6018 Humboldt Bug Creek, Chaparral Mountain 914 Comment
  RSA114995  Delphinium trolliifolium E. K. Balls, Lee W. Lenz 1955-5-15 20736 Humboldt 9.9 miles SW from Fernbridge, along Old Coast road to Capetown. 503 Comment
  UC160931  Delphinium trolliifolium Joseph P. Tracy 1908-6 2713 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  RSA75637  Delphinium trolliifolium Albert M. Vollmer, L. Beane 1951-6-6 106 Humboldt On road between Orick and Weitchpec. Comment
  SEINET12099649  Delphinium trolliifolium J. P. Tracy 1951-1 s.n. Humboldt half way between Snow Camp and Twin Lakes Comment
  UC984819  Delphinium trolliifolium A. M. Vollmer and L. Beane 1951-6-6 106 Humboldt on road between Orick and Weitchpec Comment
  CAS-BOT-BC16944  Delphinium variegatum subsp. variegatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC9584  Deschampsia cespitosa C. B. Wolf 1927-8-22 794 Humboldt Big Lagoon Comment
  HSC9586  Deschampsia cespitosa G. N. Bos 1965-5-15 255 Humboldt 8 mi. W of Berry Summit, along Hwy. 299 762 Comment
  HSC9590  Deschampsia cespitosa D. E. Anderson 1961-9-30 1843 Humboldt Divide Lake. 915 Comment
  UCD61253  Deschampsia cespitosa Malcolm A. Nobs; S. Galen Smith 1949-8-3 1167 Humboldt 1 mile south of Fields Landing, Eel River Valley. Comment
  CAS-BOT-BC192702  Deschampsia danthonioides L. B. Kildale 1930-6-1 9768 Humboldt Klamath River at Bluff Creek Comment
  HSC98118  Deschampsia danthonioides Cara Witte 2007-6-21 328 Humboldt Along National Forest 1. 3/4 mile north of Brays Opening. Near Board Camp area. 1365 Comment
  UC1103219  Deschampsia danthonioides Joseph P. Tracy 1914-5-30 4477 Humboldt Alton Northern Coast Ranges, Alton 30 Comment
  HSC13422  Deschampsia elongata D. C. Juve 1964-5-16 37 Humboldt Campbell Creek Ranger Station, Camp Tish-Tang, Hwy 96. Comment
  HSC98585  Deschampsia elongata Cara Witte 2008-7-30 964 Humboldt Spike Buck Mountain. Forest Service Road 5N18. 1/2 mile from intersection with National Forest 1. 1589 Comment
  UC187266  Deschampsia elongata Joseph P. Tracy 1911-7-5 3316 Humboldt near its mouth (a tributary of Trinity R.) Willow Creek; Northern Coast Ranges, Willow Creek 243 Comment
  SEINET11682989  Deschampsia elongata K. S. Erdman 1970-1 4813 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek State Park (Redwood N.P.) Comment
  CHSC7026  Dicentra formosa K. R. Stern 1964-6-16 2113 Humboldt .7 mi. n of Big Lagoon bridge on w side of US Hwy. 101. Comment
  CHSC7029  Dicentra formosa K. R. Stern 1964-6-17 2115 Humboldt Ca. 9 mi. w of Blue Lake, s side of US Hwy. #299. Comment
  HSC45272  Dicentra formosa Brad Klipfel 1973-4-28 9 Humboldt Along Korbel to Maple Creek Rd., Canyon Creek Comment
  UC1196307  Dicentra formosa Joseph P. Tracy 1920-4-18 5315 Humboldt near Glendale (Mad River, around Humboldt Bay); Northern Coast Region, Humboldt Bay, Mad River 30 Comment
  UC1362285  Dicentra formosa Kingsley R. Stern 1964-6-15 2108 Humboldt ca 2.5 mi s Fortuna (0.5 mi e on Drake Hill Road, on Newman property) Comment
  SEINET200955 Image available Dichanthelium acuminatum subsp. fasciculatum Joseph P. Tracy 1942-6-15 17153 Humboldt Moist place on grassy bench 1/2 miles NE of Garberville Comment
  HSC71113  Dichelostemma capitatum subsp. capitatum M. A. Baker 1980-5-23 1379 Humboldt Near Buck Mtn. 1524 Comment
  HSC3033  Dichelostemma ida-maia H. D. Sumner 1959-7-14 Humboldt Between Hoopa and Redwood Creek 305 Comment
  HSC48851  Dichelostemma ida-maia Brad Klipfel 1973-7-15 210 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC98727  Dichelostemma ida-maia Cara Witte 2007-7-20 555 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  SEINET3885615  Dichelostemma ida-maia Jan G. Cooper 1976-8-2 5 Humboldt Along road to Horse Mountain Ski area turnoff of Hwy 299.; 0 1219 Comment
  UCSB13002  Dichelostemma ida-maia Muller, Katherine 1954-6-21 Humboldt Mad River Camp #2 on Mad River, below Ruth P.O. Comment
  SD90195  Digitalis purpurea Benjamin C. Stone 1952-6-25 137 Humboldt 15 miles south of Klamath. 14 Comment
  HSC23713  Digitalis purpurea Tim Baroni 1971-6-25 61 Humboldt 8 mi. E of Petrolia Comment
  CAS-BOT-BC151742  Diplacus kelloggii Milo S. Baker 1925-4-7 241 a Humboldt Blue Lake Comment
  POM277212  Disporum hookeri var. hookeri Lyman Benson 1929-7-16 1842 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  CAS-BOT-BC208658  Distichlis spicata Malcom A. Nobs; S. Galen Smith 1949-8-3 1178 Humboldt Salt marshes around Fields Landing Comment
  HSC26352  Distichlis spicata T. O. Osborne 1970-4-5 68 Humboldt Flat-iron rock, 3/4 mi. NW of Trinidad Lighthouse. Comment
  HSC55019  Dodecatheon jeffreyi Overton, Butler 1979-7-31 11426 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  JEPS14701  Dodecatheon jeffreyi Joseph P. Tracy 1927-8-22 8340 Humboldt near High Prairie (Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1199179  Draba verna Joseph P. Tracy 1932-5-1 9841 Humboldt along Van Duzen River (Alton); North Coast Ranges, along Van Duzen River 30 Comment
  UC154226  Drymocallis glandulosa var. glandulosa Joseph P. Tracy 1908-6 2744 Humboldt nw slope of Buck Mountain Northern Coast Ranges, Buck Mountain 762 Comment
  UC154498  Drymocallis glandulosa var. wrangelliana Mrs. M. H. Manning 1900-1 Humboldt Hoopa Comment
  HSC44528  Drymocallis lactea var. lactea Brad Klipfel 1973-7-1 136 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC57875  Drymocallis lactea var. lactea Overton, Butler 1979-7-31 11411 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  JEPS35195  Dryopteris arguta Lincoln Constance 1934-6-4 825 Humboldt S. Fork Eel River Comment
  JEPS35162  Dryopteris expansa Lincoln Constance 1934-6-3 811 Humboldt S Fork Eel River; Bull Creek region Comment
  POM208982  Dryopteris expansa Lincoln Constance 1934-6-3 811 Humboldt Border of Horse Praire, adjecent to Bull Cr watershed on S side 396 Comment
  RSA693562  Dryopteris expansa Anstruther Davidson 1923-8-11 s.n. Humboldt Redwood Forest Comment
  SD92987  Dryopteris expansa W. Bertsch 1953-7-30 216 Humboldt Duncan Grove, Redwood Forest Comment
  CAS-BOT-BC428054  Dudleya cymosa subsp. cymosa Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC7298  Dulichium arundinaceum D. E. Anderson 1963-9-29 2849 Humboldt Fish Lake Comment
  HSC44817  Dulichium arundinaceum Bruce G. Marcot 1977-7-21 Humboldt Big Lake Comment
  HSC44325  Eleocharis acicularis Thomas W. Nelson, Jane P. Nelson 1977-7-4 3592 Humboldt Margin of drying pond above Alder Springs 1585 Comment
  CAS-BOT-BC113438  Eleocharis bella Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans region. Comment
  HSC7308  Eleocharis macrostachya R. L. Jarvis 1962-4-7 11 Humboldt E of Hwy. 101, 4 mi. S of Eureka 0 Comment
  HSC7317  Eleocharis macrostachya J. Good 1964-5-15 44 Humboldt Mad River Park, 50 yds. N of parking lot Comment
  UC1103658  Eleocharis macrostachya Joseph P. Tracy 1938-6-15 15929 Humboldt 3 mi S of Fields Landing (Salmon Creek Flats) 6 Comment
  CAS-BOT-BC113134  Eleocharis pachycarpa Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-11 1346 Humboldt Marshes on eastern side of Big Lagoon. Comment
  HSC96491  Eleocharis pachycarpa Gordon Leppig 1998-7-19 979 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  CAS-BOT-BC113205  Eleocharis parishii Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC112660  Eleocharis parvula Robert F. Thorne; P. Everett 1965-8-9 35342 Humboldt along Hwy 101, ca 3 mi N of Eureka along roadside. 1 Comment
  UC552793  Elymus elymoides subsp. elymoides Joseph P. Tracy 1935-7-28 14317 Humboldt Devil's Hole Trinity Summit (head) 1828 Comment
  HSC10946  Elymus elymoides var. elymoides J. P. Tracy 1933-7-25 12889 Humboldt Grouse Mtn. 1524 Comment
  HSC54604  Elymus glaucus Overton, Butler 1979-7-24 9688 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC74697  Elymus glaucus Gail Newton 1981-8-7 2465 Humboldt Near Board Camp Mtn. 1478 Comment
  HSC9706  Elymus glaucus E. W. Styskel 1964-5-17 90 Humboldt 1.5 miles SE of Redcrest along Hwy. 101. Comment
  UC186000  Elymus glaucus Joseph P. Tracy 1912-6-9 3659 Humboldt Alton Northern Coast Region 30 Comment
  UC526797  Elymus glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  CAS-BOT-BC203475  Elymus glaucus subsp. glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie, on Bald Mountain 1066 Comment
  HSC102546  Elymus glaucus subsp. glaucus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1536 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC45112  Elymus glaucus subsp. glaucus R. Sutherland 1978-4-25 8 .25478 Humboldt 9 Comment
  HSC9745  Elymus glaucus subsp. glaucus D. E. Anderson 1962-7-10 2249 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 Comment
  UCD62346  Elymus glaucus subsp. glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3454 Humboldt 2 miles north of Orleans. Klamath River. Comment
  RSA10136  Elymus glaucus subsp. jepsonii Joseph P. Tracy 1933-8-6 12950 Humboldt French Camp Ridge. 1067 Comment
  CAS-BOT-BC203801  Elymus glaucus subsp. virescens Roxana S. Ferris 1937-8-21 9389 A Humboldt Shelter Cove Comment
  HSC103977  Elymus mollis subsp. mollis C. Reynolds 2015-4-12 34 Humboldt Along Freshwater Beach, close to wave slope, south of the Kuchel Visitor Center 3 Comment
  CHSC32975  Elymus trachycaulus subsp. trachycaulus Thomas Nelson; Jane Nelson 1976-7-26 3023 Humboldt The Lassics. Trinity-Humboldt Co. line. Road cut along 1S07 west of Black Lassic. 1615 Comment
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Dec 11 2010
  RSA256587  Empetrum eamesii subsp. hermaphroditum Gary S. Lester 1975-4-6 604 Humboldt Trinidad State Beach: Megwil Point, on Elk Head, N of Trinidad. 15 Comment
  SDSU8810  Epilobium angustifolium subsp. circumvagum D. F. Howe 1961-8-1 3102 Humboldt 6 miles north of Trinidad on #101. Comment
  JEPS31511  Epilobium campestre Joseph P. Tracy 1938-7-5 16004 Humboldt open flat by old Strong's District School House (in dried pond bed, 5 mi e of town); Carlotta 45 Comment
  RSA275298  Epilobium canum subsp. latifolium Thomas W. Nelson 1977-8-6 3722 Humboldt Lassics: serpentine ridge between Blanket Creek and Bear Creek just below Blanket Rock. Unsurveyed section east of T2S, R5E, Sec. 25 1494 Comment
  HSC55141  Epilobium ciliatum G. L. Clifton, Griswold 1979-8-1 12024 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  RSA32579  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1927-7-11 3720 Humboldt Blue Slide on Van Duzen River Comment
  UC902178  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1949-8-7 18444 Humboldt Box Camp Trinity Summit (meadow) 1463 Comment
  HSC103258  Epilobium ciliatum subsp. glandulosum John McRae 2012-9-11 Humboldt Six Rivers National Forest, Trinity Mountain Quad, Lower Trinity District, Tish Tang Creek. 1311 Comment
  UC1197007  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1914-9-6 4605 Humboldt between High Prairie and Snow Camp (in peat bog); Northern Coast Ranges, Bald Mountain 1219 Comment
  UC1951301  Epilobium ciliatum subsp. watsonii Robert F. Thorne and P. Everett 1965-8-5 35153 Humboldt Samoa Dunes. Comment
  UC1198501  Epilobium densiflorum Joseph P. Tracy 1914-6-28 4517 Humboldt near Hydesville; Northern Coast Region 60 Comment
  POM225270  Epilobium foliosum P. A. Munz 1936-8-10 14341 Humboldt Little Van Duzen River, 15 miles east of Bridgeville. Comment
  HSC44595  Epilobium hallianum Brad Klipfel 1973-7-15 191 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  POM89781  Epilobium hallianum Joseph P. Tracy 1919-9-18 5234 Humboldt Trinity Summit. 1829 Comment
  UC505113  Epilobium hallianum Joseph P. Tracy 1927-7-17 8274 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower w foothills of mt., borders of pond) 457 Comment
  HSC63171  Epilobium septentrionale M. A. Baker 1979-7-7 1017 Humboldt 9.5 km E of Berry Summit along Hwy. 299, N bank of Willow Creek Comment
  POM168220  Epipactis gigantea Jos Burtt Davy, Walter C. Blasdale 1899-6-28 5895 Humboldt North Coast Ranges: Klamath River near Martins Ferry Comment
  HSC91902  Equisetum arvense E. Mackey 1987-8-28 Humboldt Patrick's Point State Park, Palmer's Point Comment
  UC503074  Equisetum hyemale subsp. affine Joseph P. Tracy 1927-8-7 8316 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC98903  Equisetum laevigatum Cara Witte 2007-7-25 580 Humboldt Forest Service Road 5N10. Approximately 2 miles south from intersection with Forest Service Road 5N41. 1290 Comment
  POM182455  Equisetum laevigatum Joseph P. Tracy 1913-6-16 4142 Humboldt Dinsmore s Ranch, in valley of Van Duzen River. Opposite Buck Mtn. 762 Comment
  MACF019709  Equisetum telmateia subsp. braunii C. V. Morton 1955-8-23 27237 Humboldt Roadside near Province Creek State Park entrance Comment
  UC1103228  Eragrostis cilianensis Joseph P. Tracy 1931-9-7 9654 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley at Willow Creek 152 Comment
  HSC9785  Eragrostis mexicana subsp. virescens J. P. Tracy 1931-9-7 9653 Humboldt Trinity River Valley, Willow Creek Comment
  CAS-BOT-BC278518  Eragrostis pilosa var. pilosa Henry M. Pollard 1947-8-30 s.n. Humboldt Near Wilson Creek, Klamath River, Orleans region Comment
  HSC39978  Erechtites glomeratus Linda M. Barker 1976-7-5 1634 Humboldt 3 mi. W of Arcata. Comment
  CAS-BOT-BC299911  Erechtites minimus H. E. Parks 1931-9-1 1058 Humboldt Trinidad 76 Comment
  CAS-BOT-BC131506  Ericameria arborescens H. E. McMinn 1922-8-3 476 Humboldt Mt. slope above S.F., Eel River Comment
  UC581743  Erigeron aliceae Joseph P. Tracy 1930-7-18 9035 Humboldt South Fork Mountain South Fork Mountain (near McKay Camp) 1676 Comment
  UCR51767  Erigeron bloomeri var. nudatus H. E. Parks 1937-1 24- 22 Humboldt North Coast, Spruce Cove, Trinidad 61 Comment
  HSC100430  Erigeron canadensis Carl C. Marshall Oct 1886 347 Humboldt Near North Fork. Comment
  UC774989  Erigeron foliosus var. confinis Carl B. Wolf 1937-8-13 9218 Humboldt 8 mi e Hoopa Valley (on new road towards Trinity summit); North Coast Range 1219 Comment
  CAS-BOT-BC296120  Erigeron foliosus var. confinis Alice Eastwood; John Thomas Howell 1937-6-26 5071 Humboldt Near Orleans Comment
  CAS-BOT-BC300682  Erigeron foliosus var. mendocinus Alice Eastwood 1921-7-21 10660 Humboldt Vanduzen [Van Duzen] River Comment
  UC1223006  Erigeron foliosus var. mendocinus Joseph P. Tracy 1951-7-24 19625 Humboldt Blue Slide on Van Duzen River Van Duzen River, Blue Slide 91 Comment
  JEPS24331  Erigeron foliosus var. mendocinus Andrew P. Nelson 1960-7-19 579 Humboldt bank above South Fork Eel River; Humboldt Redwoods State Park, Nelson Grove Comment
  HSC29848  Erigeron glaucus Thomas W. Nelson 1971-11-11 596 Humboldt Sand dunes at the foot of Murray Rd. McKinleyville Comment
  UCR121765  Erigeron glaucus George K. Helmkamp, E. A. Helmkamp 2001-7-8 7019 Humboldt North Coast, Samoa Peninsula, 2.6 miles south of CA Hwy 255 bridge across Humboldt Bay 15 Comment
  UC175210  Erigeron glaucus Joseph P. Tracy 1913-9-21 4409 Humboldt dunes of ocean beach at Humboldt Bay Comment
  CAS-BOT-BC295174  Erigeron inornatus Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  UC164848  Erigeron inornatus var. inornatus Joseph P. Tracy 1911-7-8 3442 Humboldt near mouth of Willow Creek (valley of Trinity River); Trinity River Valley 152 Comment
  HSC97452  Erigeron klamathensis Cara Witte 2007-6-7 219 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  CAS-BOT-BC214582  Erigeron philadelphicus Doris K. Kildale 1926-3-22 1600 Humboldt Fleener Creek Comment
  POM288818  Erigeron philadelphicus Lyman Benson 1928-7-10 382 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  UC153939  Erigeron philadelphicus var. philadelphicus J. P. Tracy 1910-10-1 3162 Humboldt immediate vicinity Eureka 0 Comment
  JEPS22258  Erigeron robustior Milo S. Baker 1923-7-29 134 Humboldt Yager Creek; mt. on s side of camp, region of type locality 792 Comment
  UC581718 Image available Erigeron robustior J. P. Tracy 1932-6-26 10252 Humboldt Valley of South Yager Creek; ; valley of South Yager Creek, Humboldt Co. 762 Comment
  HSC54002  Eriogonum compositum Griswold, Butler 1979-7-10 7111 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  HSC55092  Eriogonum compositum G. L. Clifton, Griswold 1979-7-31 11779 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC55185  Eriogonum compositum G. L. Clifton, Griswold 1979-8-2 12234 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC73670  Eriogonum compositum M. A. Baker 1980-7-15 2953 Humboldt Near Whiting Ridge. 1341 Comment
  HSC97965  Eriogonum compositum var. compositum Cara Witte 2007-6-20 308 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  UC672919  Eriogonum compositum var. compositum Joseph P. Tracy 1932-7-12 10460 Humboldt head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  CAS-BOT-BC259157  Eriogonum latifolium Ira L. Wiggins 1930-7-11 4680 Humboldt Near Samoa Comment
  CAS-BOT-BC259182  Eriogonum latifolium L. R. Abrams 1916-7-18 6087 Humboldt Arcata to Trinidad Comment
  LA206936  Eriogonum latifolium Carl Epling; Mrs. Epling 1935-8-15 sn Humboldt Arcata Spit Comment
  UC1198148  Eriogonum latifolium Joseph P. Tracy 1913-9-21 4410 Humboldt Ocean Beach at Humboldt Bay Humboldt Bay Comment
  UC1222341  Eriogonum latifolium Joseph P. Tracy June 1950 18754 Humboldt near ocean shore (s of point of Cape; Devil's Gate); Cape Mendocino, Devil's Gate 3 Comment
  UC672913  Eriogonum latifolium Joseph P. Tracy 1927-6-18 8175 Humboldt s point of the Cape (near ocean shore); Cape Mendocino 3 Comment
  CAS-BOT-BC259285  Eriogonum lobbii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  RSA44506  Eriogonum luteolum H. M. Pollard 1948-8-7 s.n. Humboldt Near mouth of Camp Creek, near Orleans Comment
  UC14097  Eriogonum luteolum var. luteolum Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  CAS-BOT-BC261491  Eriogonum nudum var. nudum Carl B. Wolf 1927-8-30 1233 Humboldt 2 mi. so. of Petrolia on Matole [Mattole] River near point where road crosses river Comment
  HSC17450  Eriogonum nudum var. oblongifolium D. E. Anderson 1962-7-14 2254 Humboldt About 3 mi. E of Kneeland Comment
  CAS-BOT-BC267925  Eriogonum umbellatum David Imper 1981-8-12 907 Humboldt Near Tish Tang A Tang Creek, Salmon Mt. Quad 1779 Comment
  UC55396  Eriogonum umbellatum var. argus Mrs. M. H. Manning 1900-1 Humboldt Hoopa Comment
  UC55394  Eriogonum umbellatum var. dumosum P. E. Goddard 1901-7-10 55 Humboldt Hupa Comment
  UC1198157  Eriogonum umbellatum var. nelsoniorum Joseph P. Tracy 1932-7-12 10459 Humboldt Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  UC6450 Image available Eriogonum umbellatum var. speciosum Chesnut and Drew 1888-7-23 Humboldt Hy-Am-Pum; ; Hy-Am-Pum, Humboldt Co. Comment
  CAS-BOT-BC301008  Eriophyllum lanatum var. achilleoides Harold E. Parks; Joseph P. Tracy 1934-6-27 11063 Humboldt Grouse Mt. 1432 Comment
  HSC97922  Eriophyllum lanatum var. achilleoides Cara Witte 2007-6-19 299 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  UC507068  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-21 E 34 Humboldt 1 mi n Garberville; South Fork of Eel River Comment
  UCSB6527  Eriophyllum lanatum var. integrifolium Keator, Glenn 1958-6-27 Humboldt In the vicinity of Ettersburg Comment
  UC1198966  Erodium brachycarpum Joseph P. Tracy 1926-3-14 7387 Humboldt Yager Creek Northern Coast Ranges, Carlotta 60 Comment
  JEPS61382  Erodium cicutarium Lincoln Constance 1934-5-27 702 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  UC176874  Erodium cicutarium Joseph P. Tracy 1912-6-9 3675 Humboldt Alton Northern Coast Region 30 Comment
  UC1222654  Erysimum capitatum Joseph P. Tracy 1950-6-15 18791 Humboldt 7 mi n Harris (along old Overland Rd); Mail Ridge Comment
  UC492245  Erysimum capitatum Joseph P. Tracy 1932-7-18 10706 Humboldt head Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC6764  Erysimum capitatum var. capitatum Lincoln Constance 1934-6-22 919 Humboldt S Fork Eel River, summit of Grasshopper Peak down Canoe Creek Rd. to Redwood Hwy., and thense N to Dyerville Comment
  UC1197644  Erythronium californicum Joseph P. Tracy 1913-6-17 4184 Humboldt near summit; Northern Coast Ranges, Buck Mountain 1676 Comment
  CAS-BOT-BC504308  Erythronium californicum Joseph P. Tracy 1938-6-13 15896 Humboldt Horse Mountain 1432 Comment
  HSC65203  Erythronium californicum T. Jimerson, J. Pageau 1979-5-1 445 Humboldt On FS 6N34C, Orleans Ranger District, Orleans Comment
  HSC15487  Erythronium citrinum var. citrinum R. A. Rasp 1964-4-5 29 Humboldt 7 mi. past Hoopa on Willow Creek Rd. Comment
  SEINET3992426  Erythronium grandiflorum var. pallidum Unknown 1933-7-16 12774 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  HSC15498  Erythronium oregonum subsp. leucandrum Eugene Andreuccetti 1964-5-2 45 Humboldt 30 yds. from Cedar Creek along Hwy. 299 Comment
  UC1197642  Erythronium revolutum Joseph P. Tracy 1918-5-28 4938 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1197643  Erythronium revolutum Ethel Tracy 1907-5-4 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC1197645  Erythronium revolutum Joseph P. Tracy 1924-3-30 6634 Humboldt near Bridgeville; Northern Coast Ranges 182 Comment
  UC3620  Erythronium revolutum C. C. Marshall 1888-1 Humboldt Comment
  HSC79431  Eschscholzia californica Kenneth Clark 1980-3-22 525 Humboldt On access trail above Dead Man's Gulch, Shelter Cove 122 Comment
  HSC44570  Eucephalus ledophyllus var. ledophyllus Brad Klipfel 1973-7-15 189 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1199346  Euchiton gymnocephalus Joseph P. Tracy 1927-8-28 8358 Humboldt near Boynton Prairie 609 Comment
  UC1199350  Euchiton sphaericus Joseph P. Tracy 1925-8-9 7229 Humboldt near Miranda; North Coast Ranges, South Fork of Eel River 91 Comment
  UC485713  Euchiton sphaericus Joseph P. Tracy 1915-9-12 4677 Humboldt Mouth of Laribee Creek Northern Coast Ranges, Mouth of Laribee Creek 60 Comment
  BLMAR290  Euonymus occidentalis var. occidentalis Jennifer Anthony-Wheeler 2001-5-22 290 Humboldt Headwaters Forest Reserve, growing shaded streambank by ' babbits ridge ' 335 Comment
  HSC28197  Euphorbia helioscopia Thomas W. Nelson 1973-4-25 799 Humboldt On H.S.U. campus, beside Forestry Dept. Greenhouse. Comment
  JEPS52428  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  UC774610  Eurybia radulina Carl B. Wolf 1937-9-8 9301 Humboldt 11 mi w of, Bull Creek -Petrolia Road Redwood Highway; North Coast Range 304 Comment
  HSC9991  Festuca arundinacea D. E. Anderson 1965-9-5 4084 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC40335  Festuca californica Thomas W. Nelson, Jane P. Nelson 1976-6-16 2740 Humboldt W of Alder Springs along FS 2S07 1524 Comment
Read comments
Jul 23 2010
  UCD65871  Festuca californica subsp. californica R. Tofsrud 1948-9-1 Humboldt Road junction near summit of Horse Mt. 1463 Comment
  RSA123475  Festuca californica var. californica H. S. Yates 1936-6-22 5848 Humboldt Willow Creek, China Flat (Humboldt) Comment
  UCD65940  Festuca elmeri R. Tofsrud 1947-7-1 204 Humboldt Between Alder Point and Zinea. Comment
  HSC31216  Festuca idahoensis D. E. Anderson 1972-6-20 5732 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC76549  Festuca occidentalis Dennis Kearns 1981-7-6 38 Humboldt Near Mosquito Lake 1122 Comment
  CHSC32715  Festuca rubra Thomas Nelson; Jane Nelson 1976-7-26 3024 Humboldt The Lassics. Trinity-Humboldt county line. On road cut of 1S07 west of Black Lassic. 1615 Comment
  HSC9972  Festuca rubra H. E. Parks Jun 1935 11072 Humboldt Buck Mtn. Comment
  UCD66356  Festuca rubra subsp. pruinosa H. S. Yates 1936-6-16 5667 Humboldt 1 mile S.W. of Samoa. 6 Comment
  HSC81922  Festuca subulata Thomas W. Nelson, Jane P. Nelson 1979-7-3 4964 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC40975  Fragaria X ananassa Linda M. Barker 1976-6-14 1590 Humboldt 3 mi. W of Arcata Comment
  CAS-BOT-BC453523  Fragaria chiloensis Joseph P. Tracy 1904-4-24 2025 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay; Northern Coast Region Comment
  CAS-BOT-BC457921  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7461 Humboldt Willow Creek - Selya road, 3 miles north of Willow Creek, in Trinity River Comment
  HSC102047  Fragaria virginiana M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 950 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC31219  Frangula californica D. E. Anderson 1972-6-20 5730 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  CAS-BOT-BC52741  Frangula californica subsp. californica Doris K. Kildale 1926-6-13 2162 Humboldt Briceland Bridge 1/2 west of Garberville. 114 Comment
  HSC41295  Frangula californica subsp. occidentalis Brad Klipfel 1974-7-27 495 Humboldt Horse Mtn. Comment
  HSC72613  Frangula californica subsp. occidentalis J. P. Smith 1977-7-3 9261 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  SEINET11248085  Frangula purshiana W. D. Billings 1940-6-28 1354 Humboldt 1/4 mile N. of Trinidad Comment
  HSC99392  Frangula purshiana subsp. purshiana K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 41 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC89632  Fraxinus latifolia Anthony J. Desch, Bryon Cariss 1988-4-23 65 Humboldt 3.7 mi. N of Hwy. 299 on Stover Rd. 244 Comment
  POM188359  Fraxinus latifolia Marcus E. Jones 1931-7-16 28864 Humboldt Junction, East of Arcata. Comment
  SEINET6694697 Image available Fraxinus oregona Joseph P. Tracy 1941-1 16814 Humboldt Lack pond; in Trinity River Valley, opposite mouth of Willow Creek Comment
  HSC35724  Fritillaria affinis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1902 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC14992  Fritillaria affinis J. P. Tracy 1901-4-26 1045 Humboldt immediate vicinity of Eureka (Humboldt Hill); Humboldt Hill 0 Comment
  HSC104068  Fritillaria affinis S. Carothers 2003-5-17 Humboldt Six Rivers National Forest; Brown's Camp, a little south of the low water crossing at Rd. 6E24 780 Comment
  HSC38706  Fritillaria purdyi J. P. Smith 1976-5-29 8816 Humboldt Horse Mtn. 1402 Comment
  HSC32914  Galium aparine Thomas W. Nelson, James Nelson 1973-5-28 963 Humboldt McKeown Ranch N of Dinsmore Comment
  POM148009  Galium aparine J. B. Feudge 1923-7-29 727 Humboldt Rohnerville. 15 Comment
  UC1196103  Galium aparine Joseph P. Tracy Jul 16 1930-Jul 19 1930 9048 Humboldt along summit near Blake Lookout; Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC1196104  Galium aparine Joseph P. Tracy 1932-7-17 10653 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC175731  Galium aparine Joseph P. Tracy 1913-6-20 4235 Humboldt lower foothills of nw slope of mt Northern Coast Ranges, Buck Mountain 762 Comment
  UC416637  Galium boreale subsp. septentrionale Harley P. Chandler 1901-6-14 1484 Humboldt between Orleans Bar and Somes Bar; North Coast Ranges, Klamath River 304 Comment
  JEPS52859  Galium californicum subsp. californicum Lauramay T. Dempster 1963-7-9 3849 Humboldt 4.4 mi s Bridgeville (on Hwy 36 to Dinsmore) 457 Comment
  UC1196105  Galium californicum subsp. californicum Joseph P. Tracy 1925-8-9 7228 Humboldt opposite Miranda; Salmon Creek 91 Comment
  UC1143099  Galium divaricatum H. S. Yates 1936-6-23 5876 Humboldt 4 mi nne Cathay Peak; Dyerville Quadrangle Comment
  JEPS14011  Galium parisiense Roxana S. Ferris 1955-7-11 12972 Humboldt betw. Willow Creek and Blue Lake (summit of US Hwy 299) Comment
  UC1196102  Galium parisiense Joseph P. Tracy 1916-6-19 4719 Humboldt at Forks of Dobby Creek Northern Coast Ranges 182 Comment
  UC176990  Galium parisiense Joseph P. Tracy 1913-4-27 4042 Humboldt Eureka Comment
  UC416659  Galium parisiense Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 B Humboldt summit North Coast Ranges, Hoopa Mtn. Range (between Hoopa Val. and Redwood Creek) Comment
  RSA46487  Galium porrigens Doris K. Kildale 1926-3-26 1645 Humboldt Old Fortuna Rd Comment
  JEPS6617  Galium porrigens var. porrigens Joseph P. Tracy 1926-4-11 7406 A & B Humboldt Bridgeville 198 Comment
  UC1192013  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-3 1160 Humboldt 1 mi s Fields Landing (borders of irrigation ditch); Eel River Valley Comment
  HSC67840  Galium triflorum J. P. Smith 1971-10-9 5011 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC76185  Galium triflorum Overton, Butler 1979-7-24 9770 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC98666  Galium triflorum Cara Witte 2007-7-2 398 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1589 Comment
  BLMAR268  Gamochaeta ustulata Jennifer Anthony-Wheeler 1999-6-16 268 Humboldt Headwaters Forest Reserve, Disturbed or wasted areas 463 Comment
  JEPS20437  Gamochaeta ustulata W. L. Jepson 1934-5-7 16714 Humboldt Bull Creek Comment
  HSC5689  Gamochaeta ustulata David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka 15 Comment
  CAS-BOT-BC188531  Garrya elliptica Doris K. Kildale 1925-5-25 6043 Humboldt Eureka Slough, Eureka Comment
  CAS-BOT-BC188540  Garrya elliptica Alice Eastwood 1907-4-21 18 Humboldt Port Trinidad Comment
  HSC33744  Garrya elliptica J. M. Sauser 1975-5-24 73 Humboldt Samoa dunes off Samoa Blvd. from boat landing Comment
  HSC8394  Garrya fremontii J. Wendell Howe Apr 1931 102 Humboldt Kneeland Prairie Comment
  UC502980  Garrya fremontii Joseph P. Tracy 1932-3-6 9773 Humboldt Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC668298  Garrya fremontii Joseph P. Tracy 1933-3-5 10918 Humboldt Alton North Coast Ranges (along Van Duzen River) 30 Comment
  HSC53968  Gaultheria ovatifolia Griswold, Butler 1979-7-11 7025 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  HSC22501  Gaultheria shallon R. E. Thill 1965-4-27 20 Humboldt 1 mi. off Hwy. 299 on Essex Lane Rd. Comment
  HSC73457  Gaultheria shallon Grunert 38 Humboldt Jolly Giant Creek, Arcata city limit, on Jolly Giant Rd. near HSU Comment
  OBI14456  Gaultheria shallon H. E. McMinn 1931-6-27 2533 Humboldt Summit above Weitchpec Comment
  SEINET2031090 Image available Gaultheria shallon Joseph P. Tracy 1908-1 2863 Humboldt Valley of Van Duzen River; opposite Buck Mountain 762 Comment
  HSC102929  Gayophytum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 901 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC55048  Gayophytum diffusum subsp. parviflorum Gilbert Muth 1979-7-31 11551 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC55075  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-7-31 11684 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC99578  Gayophytum diffusum subsp. parviflorum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 243 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
  UC20254  Gayophytum heterozygum Chesnut and Drew July 1888 Humboldt S. Fork Mt. Comment
  UC1196963  Gayophytum humile Joseph P. Tracy 1949-6-25 18593 Humboldt Box Camp Trinity Summit 1463 Comment
  UC144066  Gayophytum humile Joseph P. Tracy 1908-6 2845 Humboldt Buck Mountain Northern Coast Ranges (nw slope) 1219 Comment
  UCD105720  Genista monspessulana Joseph M. DiTomaso 1976-3-28 342 Humboldt Arcata, 3rd and 'D' streets. Comment
  UC1198639  Gentiana affinis var. ovata Joseph P. Tracy 1913-9-9 4401 Humboldt prairies at s end Big Lagoon; Northern Coast Ranges 30 Comment
  JEPS24349  Gentiana calycosa Joseph P. Tracy 1939-8-16 16412 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  HSC102240  Gentiana plurisetosa Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  RSA46825  Gentiana plurisetosa Doris K. Kildale 1925-8-17 s.n. Humboldt Trinity Summit 1829 Comment
  HSC96464  Gentiana sceptrum Gordon Leppig 1997-8-3 636 Humboldt Big Lagoon County Park, Big Lagoon Bog. 3 Comment
  JEPS47053  Gentianopsis simplex Joseph P. Tracy 1919-9-22 5275 Humboldt Trinity Summit 1828 Comment
  HSC8644  Geranium dissectum W. D. Stevens 1967-7-14 36 Humboldt Along Bear Creek, 1 mi. upstream from new Hwy. 101 bridge. Comment
  HSC89415  Geranium molle P. A. Daly 1986-3-12 103 Humboldt Trinidad Head 61 Comment
  UC1541258  Geranium molle H. E. Parks, J. P. Tracy 1930-5-25 875 Humboldt Laribee Valley 762 Comment
  CAS-BOT-BC226143  Gilia capitata subsp. pacifica Carl B. Wolf 1937-8-11 8901 Humboldt Fleener Creek, 1/2 mi. So. of Centerville 45 Comment
  CAS-BOT-BC226149  Gilia capitata subsp. pacifica Doris K. Kildale 1927-7-1 3626 Humboldt Alton Hill 30 Comment
  RSA469341  Gilia capitata subsp. pacifica J. P. Smith 1973-5-26 6816 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UC1197913  Gilia tricolor subsp. diffusa Joseph P. Tracy 1914-5-14 4465 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  HSC89597  Gilia tricolor subsp. tricolor M. Roantree 1985-5-24 59 Humboldt S of Trinidad Head summit near cross Comment
  JEPS158  Glehnia littoralis subsp. leiocarpa unknown 1925-7-29 109 Humboldt Samoa Comment
  UC140694  Glehnia littoralis subsp. leiocarpa unknown 1904-8-23 Humboldt peninsula - Eureka Eureka Comment
Read comments
Feb 1 2013
  HSC58542  Glyceria elata Overton, Butler 1979-7-23 9545 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC76569  Glyceria elata Teresa Prendusi 1981-7-24 496 Humboldt Near Whiteys Peak 1585 Comment
  UC34100  Glyceria elata Joseph Burtt Davy 1899-6-9 5367 Humboldt Harris Comment
  SBBG29159  Glyceria occidentalis J. P. Tracy 1933-7-20 Humboldt Arcata Bottom 15 Comment
  UC582518  Gnaphalium palustre Joseph P. Tracy 1933-8-30 13043 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  CDA6019  Gnaphalium palustre E. C. Whitney 1961-7-2 Humboldt A. Hartman property, McKinnleyville. 0 Comment
  CAS-BOT-BC304764  Grindelia hirsutula Kenneth Clark 1980-5-10 655 Humboldt Shelter Cove. South-facing bluffs of Point Delgada 7 Comment
  HSC37504  Grindelia hirsutula J. D. Ackerman 1975-8-2 613 Humboldt Hwy. 101 between Arcata and Eureka. Humboldt Bay across from Murray Field Comment
  HSC5698  Grindelia hirsutula D. E. Anderson 1962-7-15 2270 Humboldt Big Lagoon Comment
  JEPS35820  Grindelia hirsutula Rimo Bacigalupi, and L. R. Heckard 1964-7-28 8967 Humboldt 9.5 mi by road nw Petrolia (s of Cape Mendocino, in coastal scrub just back of beach) Comment
  UC204829  Grindelia hirsutula Joseph P. Tracy 1918-7-7 5038 Humboldt near Garberville (in dry field) 121 Comment
  BLMAR676  Grindelia stricta Jennifer Wheeler 2013-6-7 676 Humboldt Humboldt County, Seven mile beach, along Mattole road 6 Comment
  CHSC69498  Grindelia stricta var. platyphylla Vernon Oswald; Lowell Ahart 1997-9-4 8845 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  UCD132571  Grindelia stricta var. stricta Gordon Leppig 1998-8-6 994 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary. On Humboldt bay side of Klopp Lake dike. 2 Comment
  UC475986  Hackelia bella Joseph P. Tracy July 1930 9023 Humboldt South Fork Mountain Comment
  UC1222248  Hackelia bella Joseph P. Tracy 1951-6-26 19565 Humboldt near Twin Lakes ((Snout Camp and Twin Lakes Trip)); Snout Camp Comment
  UC79899  Hackelia californica Joseph P. Tracy 1937-7-25 15548 Humboldt on Ridge 2 mi e of Groves Prairie; Trinity Summit 1524 Comment
  UC525578  Hackelia micrantha Joseph P. Tracy 1932-7-17 10691 Humboldt head of Devil's Hole; Klamath Mountains, Trinity Summit 1828 Comment
  JEPS79901  Hackelia setosa Joseph P. Tracy 1937-7-24 15510 Humboldt 2 mi se of Devil's Hole; Trinity Summit 1584 Comment
  HSC58333  Hastingsia alba Overton, Butler 1979-8-2 12636 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC57980  Hastingsia serpentinicola G. L. Clifton, Griswold 1979-7-31 11710 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UCD128250  Hedera helix Linda M. Barker 1976-9-3 1687 Humboldt 3 miles west of Arcata. Comment
  UC176474  Helenium bolanderi Joseph P. Tracy 1913-7-13 4355 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  UC582769  Helenium bolanderi H. E. Parks and Joseph P. Tracy 1937-7-16 15431 Humboldt Trinidad 60 Comment
  JEPS35531  Helenium bolanderi W. L. Jepson 1921-8-7 9325 Humboldt 0.5 to 2 mi back from ocean between Mad River Little River; Dow's Prairie Comment
  HSC25943  Helenium puberulum Thomas W. Nelson 1970-10-31 293 Humboldt Eel River near N end of the Scotia Bluff. Comment
  UC166088  Helenium puberulum Joseph P. Tracy 1911-8-27 3534 Humboldt Ryan's Slough Northern Coast Region, Region about Humboldt Bay 0 Comment
  UC1239638  Heliotropium curassavicum Joseph P. Tracy 1938-8-28 16135 Humboldt Stone Lagoon Beach Comment
  RSA255769  Hemitomes congestum Gary D. Wallace 1973-7-11 1252 Humboldt Prairie Creek Redwoods St. Pk. north of Orick. SE of the residences across the road from park hdqrs. just in the treeline. Comment
  HSC38709  Hemizonella minima J. P. Smith 1976-5-29 8819 Humboldt Horse Mtn. 1402 Comment
  RSA47162  Hemizonia congesta Doris K. Kildale 1927-8-29 3243 Humboldt Cape Mendocino. Comment
  POM126139  Hemizonia congesta Joseph P. Tracy 1923-6-20 6338 Humboldt Near Garberville (4 miles N of it.) 122 Comment
  CAS-BOT-BC309982  Hemizonia congesta subsp. tracyi A. G. Vestal 1937-6-20 s.n. Humboldt 4 miles north of Petrolia Comment
  CAS-BOT-BC310000  Hemizonia congesta subsp. tracyi Alice Eastwood; John Thomas Howell 1937-6-23 4805 Humboldt Little Van Duzen River Comment
  RSA168837  Hemizonia tracyi Joseph P. Tracy 1950-6-8 18757 Humboldt At Domingo Hill Comment
  CHSC1956  Heracleum lanatum A. Small 1953-4-1 Humboldt Near Ferndale. Comment
  HSC79539  Heracleum maximum Kenneth Clark 1979-7-1 460 Humboldt Deadman's Gulch 11 Comment
  HSC13055  Hesperocyparis macrocarpa C. E. Fellows 1970-12-7 368 Humboldt HSC Campus, Arcata Comment
  UC1541522  Heterocodon rariflorum H. E. Parks and J. P. Tracy 1934-6-27 11084 Humboldt Grouse Mountain Comment
  SEINET10460607  Heterocodon rariflorum Willis L. Jepson Jepson 16394 Humboldt GARBERVILLE Comment
  JEPS2423  Heterotheca oregona var. rudis W. L. Jepson 1932-7-25 16398 Humboldt Old Grant Camp Eel River Comment
  UC1198860  Heuchera micrantha Joseph P. Tracy 1911-6-4 3228 Humboldt along Little River (5 mi from the coast); Northern Coast Region 121 Comment
  UC667100  Heuchera micrantha Joseph P. Tracy 1933-5-20 12216 Humboldt 2 mi s Ferndale (Wild Cat Ridge); Wild Cat Ridge 304 Comment
  UC902002  Heuchera micrantha var. diversifolia Joseph P. Tracy 1947-5-10 17682 Humboldt Garberville, near airport Garberville 152 Comment
  RSA298359  Heuchera micrantha var. hartwegii J. P. Smith 1973-5-26 6825 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC55746  Heuchera rubescens G. L. Clifton, Griswold 1979-7-26 10269 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  CAS-BOT-BC312388  Hieracium albiflorum Doris K. Kildale 1927-7-17 3752 Humboldt Bug Creek 792 Comment
  HSC48819  Hieracium albiflorum Brad Klipfel 1973-7-31 232 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC48848  Hieracium albiflorum Brad Klipfel 1973-7-15 204 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC49962  Hieracium albiflorum Maralyn O'Meara 1974-7-11 542 Humboldt Kneeland; Barry Ridge Comment
  HSC57107  Hieracium albiflorum Overton, Butler 1979-7-25 9845 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57892  Hieracium albiflorum Overton, Butler 1979-7-31 11464 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC98324  Hieracium albiflorum Jimerson, J. Pageau 1979-5-24 469 Humboldt Near Orleans 226 Comment
  JEPS36594  Hieracium albiflorum Lincoln Constance 1934-5-29 736 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  SJSU2550  Hieracium albiflorum H. L. Buckalew 1962-7-2 Humboldt junction of Willow Cr & E Fork Willow Cr on Hwy 299 Comment
  JEPS36565  Hieracium bolanderi Joseph P. Tracy 1926-6-20 7638 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  SEINET11847768  Hieracium bolanderi J. P. Tracy 1947-1 17849 Humboldt Horse Mountain Comment
  HSC57619  Hieracium greenei G. L. Clifton, Griswold 1979-7-25 10744 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  UC165197  Hieracium nudicaule Joseph P. Tracy 1908-6 2749 Humboldt nw slope Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  SEINET181184  Hierochloe occidentalis Bassett Maguire, Ruth Maguire; CB Maguire 1934-6-8 15071 Humboldt Bolling Grove State Park ; unspecified Comment
  UC187263  Hierochloe occidentalis J. P. Tracy 1901-8-1 1237 Humboldt woods near Rohnerville 91 Comment
  RSA0016043  Hippuris vulgaris Carl B. Wolf 1939-7-6 9517 Humboldt Dry Lagoon. 2 Comment
  HSC10131  Holcus lanatus E. W. Styskel 1964-4-25 70 Humboldt Alongside College Elementary School on Humboldt State College campus in Arcata. Comment
  HSC59438  Holcus lanatus Kenneth Clark 1979-4-21 144 Humboldt Little River flood plain (alluvium), 4.5 miles from McKinleyville, 200 yards E of Hwy. 299 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
  SEINET181175 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-8 15060 Humboldt Coolidge, Redwood Park. Comment
  UC1103731  Holcus lanatus J. P. Tracy 1901-4-7 1012 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCD84982  Holcus lanatus Collector Unknown 1923-7-12 s.n. Humboldt Briceland. 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
  UC922018  Holcus mollis Joseph P. Tracy 1948-7-31 18079 Humboldt Eureka 30 Comment
  CAS-BOT-BC149900  Holodiscus discolor Elmer I. Applegate 1923-9-12 3989 Humboldt Stone Lagoon Comment
  HSC41284  Holodiscus discolor Brad Klipfel 1974-7-23 476 Humboldt Horse Mtn. Comment
  JEPS45040  Holodiscus discolor W. L. Jepson July 16 1902 - July 23 1902 Humboldt Hupa Trail; Hupa Valley; Hupa Trail, from Hupa Valley Comment
  OBI10161  Holodiscus discolor Carl B. Wolf 1937-9-9 9310 Humboldt North Coast Range, Wildcat Ridge, 6 3/10 mi S of Ferndale 305 Comment
  UC418997  Hordeum brachyantherum subsp. brachyantherum Parks and Tracy 1925-6-1 2767 Humboldt coatal plain around Humboldt Bay (Eureka); , Ereka Comment
  HSC41272  Hosackia oblongifolia Brad Klipfel 1974-6-25 418 Humboldt Horse Mtn., along the creek just above Horse Mtn. mine. Comment
  SBBG64581  Hydrocotyle ranunculoides A. Keedy 1988-9-20 13 Humboldt Arcata Salt Marsh Project 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
  JEPS25031  Hydrophyllum tenuipes Lincoln Constance, Alan A. Beetle 1940-5-16 2611 Humboldt 5 mi e Carlotta; Valley of Van Duzen River 30 Comment
  HSC62864  Hypericum anagalloides J. M. DiTomaso 1979-5-20 1046 Humboldt Big Lagoon Park, 8 mi. N of Trinidad Comment
  UC175706  Hypericum anagalloides Joseph P. Tracy 1912-7-14 3747 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC13820  Hypericum anagalloides W. D. Stevens 1967-7-22 50 Humboldt Above dirt rd. from old Hwy. 101 to the top of the N bank of the Mad River Comment
  HSC13822  Hypericum anagalloides D. E. Anderson 1961-9-9 1801 Humboldt Big Lagoon County Park Comment
  SEINET10720053  Hypericum anagalloides Lincoln Constance 1934-6-25 Constance 922 Humboldt Bull Creek Region. Engelwood, 4 miles N of Dyerville and north of the boundary of Humboldt Redeood Park on Redwood Highway. Comment
  UC1714398  Hypericum formosum var. scouleri Joseph P. Tracy 1913-7 4393 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  UC668260  Hypericum formosum var. scouleri Joseph P. Tracy 1935-7-21 14112 Humboldt opposite mouth of Willow Creek (Lack Pond); Trinity R. Valley, Lack Pond 152 Comment
  OBI37799  Hypericum perforatum David J. Keil 1983-7-1 17279 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats Rd 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
  HSC12005  Hypericum perforatum Wilbur Peterson 1970-10-18 60 Humboldt 200 yards S of Mad River Bridge on Hwy 101 Comment
  HSC13845  Hypericum perforatum J. R. Lippincott 1967-7-16 6 Humboldt Near N Fork Mad River bridge 152 Comment
  POM311762  Hypericum perforatum Karen Hosterman 1957-8-29 1109 Humboldt 7 miles from Orleans, within 1 mile of junction of Klamath Road and Red Cap Creek. 114 Comment
  POM289689  Hypochaeris radicata Lyman Benson 1928-7-8 381 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 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
  RSA0004193  Iliamna latibracteata Doris K. Kildale 1926-7-5 2312 Humboldt Orick - 2 mi. north. Comment
  UC668129 Image available Iliamna latibracteata Joseph P. Tracy 1938-8-14 10104 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
Read comments
Feb 27 2012
  HSC48816  Ipomopsis aggregata Brad Klipfel 1973-7-31 230 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC55330  Ipomopsis aggregata Griswold, Butler 1979-7-12 7170 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  POM65044  Ipomopsis aggregata subsp. formosissima P. E. Goddard 1906-06 683 Humboldt Lasseck Pk. Comment
  HSC13865  Iris douglasiana J. J. Wagoner 1965-4-3 9 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park 24 Comment
  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
  UCR275116  Iris douglasiana Charity A. Hartshorn 2016-5-14 30 Humboldt Arcata Community Forest 244 Comment
  JEPS17218  Iris douglasiana Milo S. Baker 1923-7-31 157 a Humboldt Lawrence Creek; central Humboldt County Comment
  RSA70604  Iris douglasiana Frank W. Peirson 1923-7-12 3692 Humboldt About 5 miles north of Orick Comment
  HSC74237  Iris purdyi M. A. Baker 1980-7-11 2796 Humboldt Near Red Mtn. 1341 Comment
  SEINET12045029  Iris tenax T. Jimerson, Pageau, J. 1979-1 436 Humboldt on Forest Road 12N20, 0.2 mi N of Forest Road 15N01 (G.O. Road), Orleans 710 Comment
  CAS-BOT-BC240325  Iris tenax subsp. klamathensis Dana York 2011-5-31 3021 Humboldt Six Rivers National Forest, Ca. 1.1 km S-SE of Somes Bar Post Office, on the slope E and above Hwy. 96 adjacent to a large landslide that occurred in 2010 Comment
  HSC48416  Iris tenax subsp. klamathensis J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9925 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  UC673161  Iris tenax subsp. klamathensis Lincoln Constance and Reed C. Rollins 1942-5-12 2893 Humboldt 2 mi. n. Orleans (Klamath River); Klamath-Siskiyou Region, Klamath River 121 Comment
  HSC70745  Iris tenuissima R. York 1980-5-17 519 Humboldt Near Le Perron Peak 792 Comment
  HSC67160  Iris tenuissima J. P. Smith, J. O. Sawyer 1973-5-12 6669 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC99375  Iris tenuissima subsp. tenuissima K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 24 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1433 Comment
  UC1222653  Isatis tinctoria Joseph P. Tracy 1950-8-20 19316 Humboldt w side at mouth of Salmon River, Klamath River Salmon River; Klamath River, Salmon River Comment
  UC667942  Isoetes bolanderi Joseph P. Tracy 1937-8-12 15651 Humboldt Snow Camp 1402 Comment
  UC906715  Isoetes nuttallii Joseph P. Tracy 1942-6-15 17138 Humboldt Miranda 121 Comment
  CAS-BOT-BC112458  Isolepis cernua W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula 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
  UC1152116  Juncus ambiguus Joseph P. Tracy 1934-7-2 13283 Humboldt mouth of Little River Little River Comment
  UC2494  Juncus bolanderi H. N. Bolander June 1867 6584 Humboldt near Elk Ridge Comment
Read comments
Jul 31 2010
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  SEINET6333123  Juncus bufonius S. T. Parks, H. E. Parks 24254 Humboldt North Coast Ranges, Spruce Cove, Trinidad 61 Comment
  CHSC19493  Juncus bufonius var. bufonius Norman Dennis 1965-6-19 128 Humboldt About 1/4 mile south and 1 mile east of the junction of Barry Ridge Road and the Eureka-Bridgeville county road, along Ashfield Ridge Road. About 5 miles southeast of Kneeland. 792 Comment
  HSC102141  Juncus confusus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1046 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC74671  Juncus effusus subsp. pacificus Gail Newton 1981-8-5 2360 Humboldt Near Bug Creek, E Fork. 820 Comment
  UC184085  Juncus effusus subsp. pacificus Joseph P. Tracy 1906-8-18 2548 Humboldt Eureka Northern Coast Region 0 Comment
  SD51269  Juncus effusus subsp. pacificus Darley F. Howe 1961-8-2 Humboldt 8.5 miles east of Orick, on Bald Mounatin Road. 609 Comment
  HSC75276  Juncus ensifolius J. O. Sawyer, D. A. Thornburgh 1980-9-9 4079 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC98649  Juncus ensifolius Cara Witte 2007-7-3 419 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38. 1/2 mile east from intersection with National Forest 1. 1397 Comment
  UC249815  Juncus ensifolius Joseph P. Tracy 1924-7-13 6732 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA168867  Juncus hesperius Joseph P. Tracy 1938-6-15 15938 Humboldt Carlotta. 61 Comment
  HSC90770  Juncus lescurii Gail Newton 1982-6-10 3608 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC14028  Juncus lescurii J. W. Johnson 1961-8-17 1057 Humboldt Arcata, Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  RSA70263  Juncus phaeocephalus var. phaeocephalus F. W. Peirson 1923-7-11 3669 Humboldt 7 miles N of Arcata, Humboldt County Comment
  HSC73067  Juniperus communis var. saxatilis M. A. Baker 1980-6-16 1954 Humboldt Near Onion Mtn. 1280 Comment
  UC1222453  Kickxia elatine Joseph P. Tracy 1934-8-14 13572 Humboldt Alton North Coast Ranges (along Van Duzen River) 30 Comment
  UC1222816  Kickxia elatine Joseph P. Tracy 1951-7-14 19623 Humboldt near Willow Creek (borders of Lack Pond); Lack Pond Comment
  UC403009  Kopsiopsis strobilacea Joseph P. Tracy 1916-6-25 4739 Humboldt Ridge between Little River and Redwood Creek. 457 Comment
  UC403006  Kopsiopsis strobilacea unknown 1901-1 Humboldt Comment
  UC249879  Lactuca serriola Joseph P. Tracy 1923-9-23 6561 Humboldt Alton Northern Coast Region 30 Comment
  CAS-BOT-BC349841  Lactuca tatarica subsp. pulchella Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  CDA5658  Lamium purpureum B. F. Kemp 1958-4-11 344 -58 Humboldt County Road 512, near sawmill. 0 Comment
  RSA21657  Lasthenia californica C. B. Wolf 1937-6-14 8812 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  JEPS10178  Lasthenia californica subsp. californica W. L. Jepson 1902-6-10 1885 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC166218  Lasthenia californica subsp. californica Joseph P. Tracy 1903-5-22 1882 Humboldt Alder Point Flat Northern Coast Ranges, Eel River 152 Comment
  UC249830  Lasthenia californica subsp. californica Joseph P. Tracy 1923-7-4 6520 Humboldt valley South Yager Creek; Northern Coast Ranges 762 Comment
  UC1222399  Lathyrus glandulosus Joseph P. Tracy 1942-7-26 17298 Humboldt near Redwood House; Valley of South Yager Creek 609 Comment
  UC1368669  Lathyrus glandulosus J. P. Tracy 1946-6-15 17571 Humboldt w of summit between North Fork Mad River and Redwood Creek (along Lord Ellis Road, part of Trinity Highway) 609 Comment
  RSA520696  Lathyrus littoralis Glenn A. Gorelick 1967-6-4 s.n. Humboldt Samoa Beach, near Eureka. Comment
  UCD106378  Lathyrus littoralis Linda M. Barker 1976-6-1 1560 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA554595  Lathyrus littoralis Walter Wisura 1993-5-9 4913 Humboldt Sand dunes near Samoa. Comment
  HSC73128  Lathyrus polyphyllus M. A. Baker 1980-5-18 1283 Humboldt Near Black Mtn. 1006 Comment
  BLMAR275  Lathyrus polyphyllus Jennifer Anthony-Wheeler 1999-7-30 275 Humboldt Lacks Creek, growing by fdsides adjacent to forest 1219 Comment
  RSA64949  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19094 Humboldt 3 miles W of Willow Creek, near Highway #299. Comment
  UCR84790  Lathyrus tingitanus Kathy Harper 1992-5-14 s.n. Humboldt Coast Range, Van Duzen River, c. 1.5 mi. west of Bridgeville on State Hwy 36 195 Comment
  UC1199069  Lathyrus vestitus Joseph P. Tracy 1932-4-24 9815 Humboldt between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  RSA405757  Lathyrus vestitus subsp. vestitus Charlotte M. Hoak 1931-7-15 14014 Humboldt Big Lagoon Comment
  HSC64184  Lathyrus vestitus var. ochropetalus J. O. Sawyer, M. A. Ericksen 1979-6-23 3391 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  UC198626  Layia carnosa Joseph P. Tracy 1917-5-30 4796 Humboldt mouth Little River Comment
  UC34740  Layia carnosa W. C. Blasdale 1896-6-2 Humboldt Comment
  HSC100701  Layia carnosa Carl C. Marshall May 1885 39 Humboldt Peninsula. Comment
  UC1223219  Layia gaillardioides Joseph P. Tracy 1950-6-8 187860 Humboldt Petrolia Comment
  CAS-BOT-BC534923  Lemna turionifera L. R. Abrams; R. Bacigalupi 1958-6-17 8271 Humboldt Big Lagoon south of Orick Comment
  RSA18016  Leontodon nudicaulis C. B. Wolf 1927-8-22 777 Humboldt Big Lagoon. Comment
  UCSC000838  Leontodon nudicaulis subsp. taraxacoides H. S. Reed 1941-7-26 s.n. Humboldt Common weed near Trinidad Trinidad Comment
  HSC38941  Leontodon saxatilis subsp. saxatilis Linda M. Barker 1976-6-1 1562 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC5926  Leontodon saxatilis subsp. saxatilis S. R. Johnson 1965-3-15 12 Humboldt 1 mi. N of Luffenholtz Beach Comment
  OBI40320  Leontodon saxatilis subsp. saxatilis Ralph N. Philbrick 1974-8-28 s.n. Humboldt Behind sandy beach and road fill, Hwy 101, S of Orick Comment
  UC1116219  Lepidium strictum Joseph P. Tracy 1948-5-31 17992 Humboldt Harris 762 Comment
  UC709460  Lepidium strictum Joseph P. Tracy 1941-5-4 16866 Humboldt Scotia 30 Comment
  CAS-BOT-BC226712  Leptosiphon latisectus Mrs. H. C. Cantelow 1939-6-4 4125 Humboldt N.E. of Garberville Comment
  RSA12525  Leptosiphon nuttallii C. B. Wolf 1934-7-3 5911 Humboldt 21 miles from Orick on road to Weitchpec. 152 Comment
  CAS-BOT-BC341823  Lessingia nemaclada Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Comment
  CAS-BOT-BC341826  Lessingia nemaclada Alice Eastwood 1921-7-21 10674 Humboldt Vanduzen [Van Duzen] River Comment
  CDA7526  Leucanthemum vulgare T. C. Fuller 1958-6-17 1832 Humboldt Freeway at Arcata. 0 Comment
  HSC48613  Leucanthemum vulgare Mark Flippo 1978-5-18 63 Humboldt Arcata, US 101 Comment
  UC673019  Lewisia nevadensis Joseph P. Tracy 1932-7-10 10377 Humboldt open places at Corral Prairie Trinity Summit 1584 Comment
  HSC104437  Lewisia nevadensis Greg O'Connell 2013-5-16 Humboldt North of Board Camp Mountain, southeast of Snow Camp Mountain. Comment
  RSA10128  Leymus triticoides Joseph P. Tracy 1929-6-3 8601 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  RSA10139  Leymus vancouverensis Joseph P. Tracy 1930-7-21 8894 Humboldt Cape Mendocino, south of point of the Cape 3 Comment
  SEINET7292880 Image available Leymus vancouverensis Malcolm A. Nobs, S. Galen Smith 1949-1 1204 Humboldt Humboldt Bay, ca. 2 miles north of Eureka Comment
  HSC99522  Ligusticum apiifolium K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 185 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  HSC99076  Ligusticum apiifolium Cara Witte 2007-7-3 405 Humboldt National Forest 1 on Kinsey Ridge. 1/4 mile south of intersection with 4N06. Near power poles. 1231 Comment
  UC1222812  Ligusticum apiifolium Joseph P. Tracy 1950-9-10 19354 Humboldt Bear R. Ridge 609 Comment
  HSC56215  Ligusticum californicum G. L. Clifton, Terry Griswold 1979-8-2 12225 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  SEINET11764870  Lilaea scilloides J. P. Tracy 1950-6-18 18844 Humboldt Davis Creek, Cape Mendocino, S of point of the Cape 30 Comment
  UC1103400  Lilaeopsis occidentalis W. L. Jepson and Joseph P. Tracy 1921-8-7 5866 Humboldt Stone Lagoon Northern Coast Region, Stone Lagoon 3 Comment
  UC984807  Lilium columbianum A. M. Vollmer and L. Beane Jul 1951 Humboldt a few mi n Arcata (near U.S. Highway 101) Comment
  UC666960  Lilium kelloggii Joseph P. Tracy Aug 1934 13643 1/2 Humboldt w edge Kneeland Prairie Comment
  CAS-BOT-BC130686  Lilium occidentale Doris K. Kildale 1925-6-30 1337 Humboldt On road to Humboldt Country Club 7 mi from Eureka Comment
  CAS-BOT-BC130689  Lilium occidentale Doris K. Kildale 1925-6-30 1384 Humboldt On road to Humboldt Country Club 7 miles south of Eureka Comment
  JEPS79921  Lilium occidentale Joseph P. Tracy 1918-7-21 5078 Humboldt around Humboldt Bay Humboldt Hill; Northern Coast Ranges, Humboldt Bay, Humboldt Hill 182 Comment
  CAS-BOT-BC130683  Lilium occidentale Dr. Doris Niles; Thomas Nelson 1974-6-20 s.n. Humboldt On the Wiggens ranch just west of the garbage dump Comment
  SEINET12050872  Lilium occidentale F. H. Utech 1977-1 Humboldt Comment
  UC1225855  Lilium pardalinum Joseph P. Tracy 1948-9-5 18196 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  RSA12542  Lilium pardalinum Carl B. Wolf 1934-7-2 5896 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC58247  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-8-2 12426 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC45270  Limnanthes douglasii M. Alcasas 1978-6-3 118 Humboldt On Titlow Hill Rd., 1.3 mi. from Hwy. 299 1463 Comment
  RSA505342  Limnanthes douglasii subsp. nivea Barbara Ertter, Thomas Delendick 1987-5-16 6925 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  SEINET3818261  Limnorchis leucostachys Unknown 1937-1 Humboldt Comment
  HSC22528  Limonium californicum Jerry Parker 1968-11-9 228 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata. Comment
  UC582685  Linanthus bicolor Joseph P. Tracy 1937-5-17 15287 Humboldt Willow Creek Trinity River Valley 152 Comment
  JEPS11331  Linaria vulgaris Joseph P. Tracy 1921-7-23 5858 Humboldt Dows Prairie, thence to Trinidad Dows Prairie Dows Prairie; Northern Coast Ranges, Dows Prairie 60 Comment
  CDA6374  Linaria vulgaris E. C. Whitney 1965-9-25 Humboldt Highway 101, Fortuna. 0 Comment
  HSC74730  Listera convallarioides Gail Newton 1981-7-24 2321 Humboldt Near Bug Creek Butte 1417 Comment
  HSC45233  Listera convallarioides Thomas W. Nelson, Jane P. Nelson 1977-7-4 3604 Humboldt Alder Springs 1524 Comment
  UC1103026  Listera cordata Joseph P. Tracy 1924-5-11 6687 Humboldt Bull Creek Flat Northern Coast Ranges 91 Comment
  JEPS37740  Lithocarpus densiflorus W. L. Jepson 1902-7-14 2024 A Humboldt Hupa Comment
  UC1222289  Lithocarpus densiflorus Joseph P. Tracy 1950-8-4 19253 Humboldt Grasshopper Peak Bull Creek State Park, Canoe Creek (at head of Canoe Creek in Bull Creek State Park) Comment
  CAS-BOT-BC36101  Lithocarpus densiflorus var. densiflorus L. B. Kildale 1930-8-10 10536 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC36148  Lithocarpus densiflorus var. densiflorus Doris K. Kildale 1926-8-22 2569 Humboldt Bald Hills, east end of Tomlinson's prairie 716 Comment
  RSA1900  Lithocarpus densiflorus var. densiflorus Carl B. Wolf 1930-10-29 1783 Humboldt Old Coast Road, 4 mi. so. of Honeydew Post Office. 305 Comment
  RSA152286  Lithocarpus densiflorus var. echinoides Joseph P. Tracy 1948-8-15 18136 Humboldt Trinity Summit. On ridge 2 miles east of Grove's Prairie. 1524 Comment
  HSC81535  Lithophragma affine Thomas W. Nelson, Jane P. Nelson 1980-5-25 5258 Humboldt Along road from Dinsmore to Anderson Crossing, McKeown Ranch Rd. 100 m N of junction of road to Hindley Cabin 823 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
  HSC20226  Lithophragma heterophyllum D. E. Anderson 1965-5-8 3649 Humboldt About 3 mi. N of Willow Creek along rd. on E side of Trinity River. Comment
  HSC73961  Lithophragma heterophyllum Gail Newton 1980-6-7 130 Humboldt Near Brush Mtn. 1128 Comment
  UC492222  Lithophragma heterophyllum Joseph P. Tracy 1932-4-24 9827 Humboldt South Fork of Eel River between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  HSC44409  Lithospermum californicum R. York 1978-5-6 161 Humboldt Along Bluff Creek Rd., 4 mi. from Jct. with Hwy. 96 610 Comment
  UC1225758  Lobularia maritima Joseph P. Tracy 1947-7-8 17760 Humboldt Eureka 30 Comment
  HSC42239  Lolium perenne W. F. Nickel 1965-5-13 Humboldt On W side of College Elementary School on Humboldt State College Campus. Comment
  RSA32732  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Near Arcata. Comment
  HSC35700  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, B. Reinhardt 1975-7-30 2107 Humboldt Above the road out Whiting Ridge Comment
  HSC71085  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3404 Humboldt Large rock downstream from Anderson's Ford 640 Comment
  RSA167240  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1950-7-6 19000 Humboldt On the Albee Road, 2 miles south of Burr Valley Comment
  SEINET3822052 Image available Lomatium dissectum Lincoln Constance, Alan A. Beetle, Joseph P. Tracy 1940-5-17 2617 Humboldt Buck Mountian, near Eureka 792 Comment
  HSC73958  Lomatium nudicaule Gail Newton 1980-6-7 125 Humboldt Near Brush Mtn. 1128 Comment
  UC1438145  Lomatium tracyi Barbara Kelly 1978-5-1 587 Humboldt 1/4 mi from Horse Mountain Road 1/2 mi below turnoff to summit, near end of unused gravel road Comment
  UC1438146  Lomatium tracyi Barbara Kelly 1978-5-1 589 Humboldt 1/4 mi from Horse Mountain Road, 1/2 mi below turnoff to summit, near end of unused gravel road. Comment
  UC647476 Image available Lomatium tracyi Joseph P. Tracy 1933-7-25 12895 Humboldt Grouse Mountain. 1524 Comment
  HSC74488  Lomatium triternatum M. A. Baker 1980-6-26 2400 Humboldt Near Sims Creek 610 Comment
  OBI81634  Lomatium utriculatum Tracey Call, Viola Call 1964-6-19 2271 Humboldt Dry, west-facing hillside 1 mile north of Harris P.O. and ca 3.5 miles south of Harris Jct. Comment
  UC441279  Lonicera conjugialis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5861 Humboldt Trinity Summit Comment
  UC35427  Lonicera hispidula var. vacillans Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  CHSC11388  Lonicera involucrata var. ledebourii Lowell Ahart 1968-5-31 Humboldt Patrick's Point State Park. 30 Comment
  HSC31630  Lonicera involucrata var. ledebourii Glenn McGourty 1974-8-27 16 Humboldt About 1 mi. from Capetown bridge. Comment
  RSA1254  Lonicera involucrata var. ledebourii B. D. Stark 1929-7-24 590 Humboldt 8 miles S of Eureka. 30 Comment
  RSA18019  Lonicera involucrata var. ledebourii C. B. Wolf 1927-8-22 770 Humboldt Big Lagoon. Comment
  UC726016  Lotus aboriginus A. A. Heller 1937-6-8 15897 Humboldt 3 mi n Trinidad (at Bishop Pine Lodge) Comment
  HSC25291  Lotus corniculatus R. Spellenberg 1964-6-15 409 Humboldt 0.5 mi. S of Humboldt Hill exit, 5 mi. S of Eureka Comment
  HSC96477  Lotus corniculatus Gordon Leppig 1997-6-19 444 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC97945  Lotus crassifolius var. crassifolius Cara Witte 2007-6-26 357 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36A. 1348 Comment
  HSC74402  Lotus humistratus Gail Newton 1980-6-28 739 Humboldt Near Mad River Butte. 1536 Comment
  SEINET6932529  Lotus humistratus Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt About 4 miles southeast of Kneeland. Comment
  UC15617  Lotus humistratus C. C. Marshall 1888-1 Humboldt Comment
  UC175636  Lotus micranthus Joseph P. Tracy 1913-6-13 4111 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS55459  Lotus nevadensis var. nevadensis Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  RSA20787  Lotus oblongifolius var. nevadensis Carl B. Wolf 1937-8-13 9252 Humboldt North Coast Range 11 mi. E. of Hoopa Valley on New Road towards Trinity Summit. 1524 Comment
  UC179938  Lotus oblongifolius var. oblongifolius Joseph P. Tracy 1914-7-4 4527 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1223420  Lotus purshianus var. purshianus Joseph P. Tracy 1933-8-30 13021 Humboldt Titlow Mountain Grouse Mountain 1524 Comment
  HSC48061  Lotus strigosus Thomas W. Nelson 1978-4-23 3887 Humboldt Junction of Copher and Samoa Rds., N of Samoa Comment
  POM51553  Luina hypoleuca Joseph P. Tracy 1917-9-2 4839 Humboldt Grouse Mountain. 1524 Comment
  CAS-BOT-BC198263  Lupinus Doris Kildale Gillespie 1931-6-7 10598 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  SEINET5736964 Image available Lupinus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6113 Humboldt Collected in a waste area along Giuntoli Lane in Arcata. Adjacent to Eureka Sand and Gravel company and across the road from T.P. Tire Service (1265 Giuntoli Lane).; Arcata Comment
  SEINET10488366  Lupinus albicaulis John O. Sawyer, R. J. Cole 1977-7-3 Sawyer 3016 Humboldt Hoopa quad. T8n,r5e,sec.14. Environs of mud spring. Big hill road. White fir Forest (f.s.8n01) 1524 Comment
  UC198580  Lupinus albifrons Joseph P. Tracy 1916-6-19 4707 Humboldt Burr Creek Northern Coast Ranges, Burr Creek (on high ridges at Robertson Ranch) 914 Comment
  HSC98761  Lupinus albifrons var. collinus Cara Witte 2008-7-2 819 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  HSC48868  Lupinus andersonii Brad Klipfel 1973-6-10 62 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET10544235  Lupinus arboreus Mary Susan Taylor 1990-8-22 Taylor 6070 Humboldt Samoa Recreation Area on Samoa Peninsula, Staging Area, Eureka. Coastal scrub in ORV area. Comment
  RSA407031  Lupinus arboreus var. arboreus Bonnie C. Templeton 1964-6-13 10091 Humboldt Samoa, west of Arcata. Comment
  SEINET10484916  Lupinus bicolor subsp. pipersmithii Charles Piper Smith 1948-5-10 Smith 48251 Humboldt Highway 101 - garberville, 2 miles north. Comment
  JEPS109559  Lupinus elmeri Dean Wm. Taylor, Tom Engstrom 2002-7-19 18250 Humboldt South Fork Mountain, Blake Mountain, opening along Forest Road 1 ca. 0.5 mi N of the highest point on the ridge 1737 Comment
  UC169321  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-7-21 3766 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  HSC102602  Lupinus latifolius var. viridifolius M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1589 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC35702  Lupinus luteolus Thomas W. Nelson, B. Reinhardt 1975-7-30 2118 Humboldt E of Pilot Rock Comment
  OBI12876  Lupinus luteolus Carl B. Wolf 1937-8-12 9211 Humboldt North Coast Range, 20 mi N of Bridgeville on rd to Kneeland 457 Comment
  UC1197258  Lupinus luteolus Joseph P. Tracy 1928-4-22 8417 Humboldt Redwood Creek Northern Coast Ranges, Redwood Creek (at Berry's) 274 Comment
  UC33564  Lupinus luteolus Chestnut and Drew 1888-7-11 Humboldt Jarmyan's Comment
  UC302327  Lupinus nanus Joseph P. Tracy 1925-5-31 7053 Humboldt Bridgeville 228 Comment
  RSA414240  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane Nelson, A. P. Nelson 1977-7-4 3583 Humboldt Along west side of road north from Alder Springs. 1524 Comment
  HSC76441  Lupinus tracyi D. K. Imper 1981-8-12 902 Humboldt Near Tish Tang A Tang Creek. 1780 Comment
  UC1488744  Lupinus tracyi Marc Baker 1980-7-19 2987 Humboldt near Bret Hole 105 Comment
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Jul 7 2009
  SEINET12154787  Lupinus variicolor J. P. Tracy 1938-1 15940 Humboldt Brainards Point, betw Eureka and Arcata Comment
  HSC74171  Luzula comosa M. A. Baker 1980-7-23 3182 Humboldt Near Orleans Mtn. 1859 Comment
  UC2983  Luzula comosa Harley P. Chandler May, 1901 1159 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 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
  RSA44509  Luzula comosa var. laxa Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1372 Comment
  CAS-BOT-BC441228  Luzula macrantha Joseph P. Tracy 1926-5-2 7446 Humboldt North Coast Ranges: Willow Creek Canyon, near Ruby Creek 609 Comment
  SEINET11785711  Luzula multiflora H. E. Parks, Tracy, J. P. 1947-1 11643 Humboldt McKay Camp, South Fork Mountain 1676 Comment
  HSC75690  Luzula parviflora Bill Copeland 1980-7-2 310 Humboldt Near Snow Camp Mtn. 1311 Comment
  RSA32655  Lychnis coronaria Doris K. Kildale 1927-7-3 3651 Humboldt Willow Creek Flat. Comment
  UC1745150  Lycopodium clavatum Clare T. Golec 2000-6-14 Humboldt Along the V-4 line on the lowerslopes of the South Fork Little River 243 Comment
  UCD135966  Lycopodium clavatum K. Niles 1950-10-1 s.n. Humboldt Loleta. Comment
  SEINET2076892  Lycopodium clavatum L. L. Kiefer, D. Branscomb 1964-5-20 1435 Humboldt Near trinidad, 1 mi E of Moonstone Beach on Knutz property 152 Comment
  HSC35500  Lysichiton americanus Petrovich May 1961 Humboldt Warren Cr. Comment
  HSC35502  Lysichiton americanus J. Burns 1962-4-18 Humboldt Eureka, Togo Rd. Comment
  UC1198469  Lythrum hyssopifolia Joseph P. Tracy 1942-6-15 17117 Humboldt near Redcrest Resort (Englewood); Englewood 91 Comment
  HSC57190  Madia gracilis Griswold, Butler 1979-7-11 6906 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC74211  Madia gracilis M. A. Baker 1980-7-15 2961 Humboldt Near Whiting Ridge. 1341 Comment
  JEPS7387  Madia gracilis Joseph P. Tracy 1932-7-13 10494 Humboldt at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  UC1223208  Madia gracilis Joseph P. Tracy 1950-7-6 19026 Humboldt 3 mi s of Burr Valley; Sproston's Place 1066 Comment
  UC176421  Madia gracilis Joseph P. Tracy 1909-7-31 3029 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  POM232321  Madia gracilis subsp. gracilis I. L. Wiggins 1930-7-11 4679 Humboldt Near Samoa Comment
  POM362198  Madia minima Thomas W. Nelson, Jane P. Nelson 1977-7-4 3608 Humboldt Along road north from Alder Spring 1555 Comment
  RSA2932  Mahonia nervosa C. B. Wolf 1931-8-29 1243 Humboldt Near summit of Orick Hill on road to Weitchpec. 304 Comment
  CHSC2298  Maianthemum dilatatum M. Anthony 1960-5-14 Humboldt Arcata. Comment
  CDA39348  Maianthemum dilatatum Gordon Leppig 1998-5-11 760 Humboldt Northern California Peatlands; Big Lagoon County Park. Big Lagoon Bog. Comment
  RSA244984  Maianthemum dilatatum M. N. Gold 1966-5-15 25 Humboldt Dry Lagoon State Park, 13 miles north of Trinidad Comment
  HSC15642  Maianthemum racemosum subsp. amplexicaule Paul Shields May 1955 Humboldt 7 mi. W of Hoopa Comment
  RSA1087  Maianthemum racemosum subsp. amplexicaule E. R. Johnson 1928-8-26 1147 Humboldt Arcata. Comment
  HSC34159  Maianthemum stellatum Linda M. Barker 1974-5-11 177 Humboldt Redwood National Park, Bald Hills Rd., Gans Prairie 549 Comment
  HSC98149  Maianthemum stellatum D. E. Anderson 1965-5-8 3630 Humboldt 0.6 mi. W of bridge over N Fork of the Mad River along Hwy. 299 Comment
  RSA0009484  Maianthemum stellatum Marcus E. Jones 1924-4-26 s.n. Humboldt Fortuna. Comment
  HSC44103  Malacothrix floccifera Thomas W. Nelson, Jane P. Nelson 1977-8-6 3686 Humboldt Along Rd. 2S08 near Alder Spring 1524 Comment
  UC992620  Malus Rogers McVaugh 1941-8-3 6215 Humboldt 1 1/4 mi S of H. Q.; Patrick's Point State Park Comment
  CAS-BOT-BC140135  Malus fusca L. R. Abrams; R. Bacigalupi 1922-6-25 8280 Humboldt Big Lagoon South of Orick Comment
  UC154238  Malus fusca J. P. Tracy 1906-11-4 2553 Humboldt immediate vicinity Eureka 0 Comment
  UC555510  Malus fusca H. L. Mason 1932-7-21 7101 Humboldt Big Lagoon Comment
  CHSC46890  Marah oregana R. A. Schlising 1963-6-4 2584 Humboldt South of Orick, along Hwy 101 at Big Lagoon. Comment
  CHSC46935  Marah oregana Robert A. Schlising 1963-6-4 2583 Humboldt Patrick Point State Park. Comment
  POM318838  Marah oregana Patricia Wilder 1968-8-22 4419 Humboldt Coastal rain forest 7 miles S of Ferndale on Mattole Road, N of Cape Mendocino and Capetown, Mt. Range: Bear River Ridge; Drainage Area: Oil Creek to Pacific. 549 Comment
  POM87677  Marah oregana L. R. Abrams, R. Bacigalupi 1922-6-25 8283 Humboldt Big Lagoon, south of Orick. Comment
  UC1197775  Marah oregana Joseph P. Tracy 1923-6-20 6313 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  JEPS42487  Marah oregana W. L. Jepson 1897-7-31 14136 Humboldt De Haven to Fort Bragg Comment
  HSC79362  Matricaria discoidea Kenneth Clark 1981-5-2 1360 Humboldt Point Delgada, Mario's Marina 15 Comment
  CDA18210  Medicago polymorpha G. D. Barbe, T. C. Fuller 1974-6-17 1838 Humboldt North Coast Ranges; Shelter Cove, uphill, E of Sail Court. 91 Comment
  HSC48058  Medicago polymorpha Thomas W. Nelson 1978-4-24 3890 Humboldt Eureka, along F St. between Orchard and Willow St. Comment
  HSC90387  Medicago polymorpha Jean Hanson 1980-4-12 46 Humboldt Eureka, Indian Island in Humboldt Bay, W end of island. Comment
  BLMAR216  Melica aristata Jennifer Anthony-Wheeler 1996-7-9 216 Humboldt Pilot ridge., drwng in dry open area under coniferous forest 1341 Comment
  UC552691  Melica aristata Joseph P. Tracy 1935-7-14 14075 Humboldt Grouse Mountain; North Coast Ranges 1524 Comment
  HSC40310  Melica fugax Thomas W. Nelson, Jane P. Nelson 1976-6-22 2859 Humboldt Bog along road to Goat Hill. 1646 Comment
  UC1103761  Melica fugax Joseph P. Tracy 1913-6-17 4193 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  HSC26126  Melica harfordii J. P. Smith, Steve Selva 1970-6-14 3816 Humboldt Along Hwy. 96 at Whitmore Creek. 152 Comment
  UC188817  Melica harfordii Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 5210 Humboldt Russ Ranch Comment
  UC249876  Melica harfordii Joseph P. Tracy 1923-5-30 6243 Humboldt Dyerville North Coast Ranges, Eel River (along Eel River from South Fork to Scotia) 60 Comment
  CAS-BOT-BC262469  Melica subulata Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  RSA10101  Melica subulata Joseph P. Tracy 1933-5-28 12416 Humboldt Carlotta. 61 Comment
  UC184151  Melica subulata Joseph P. Tracy 1912-7-27 3883 Humboldt Kneeland Prairie; North Coast Ranges 762 Comment
  UCD89112  Melica torreyana A. H. Murphy 1951-4-18 s.n. Humboldt Fort Seward. 182 Comment
  JEPS63443  Mentha spicata Joseph P. Tracy 1925-8-16 7233 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley near South Fork 182 Comment
  JEPS63445  Mentha suaveolens W. L. Jepson 1936-8-11 17866 Humboldt South Fork Eel River Philipsville (Philipsville); South Fork Eel River Comment
  HSC40674  Mentzelia dispersa Thomas W. Nelson, Jane Nelson 1976-7-1 2926 Humboldt Along N side of Mt. Lassic (Signal Peak) 1738 Comment
  HSC37227  Menyanthes trifoliata Anonymous 1976-5-14 Humboldt NW of McClellan Mtn. Comment
  HSC28256  Menziesia ferruginea subsp. ferruginea Gary S. Lester 1973-12-2 59 Humboldt Humboldt State University Campus, Arcata Comment
  POM296727  Micropus californicus S. K. Harris, J. P. Tracy 1942-6-15 s.n. Humboldt Prairie, Harris Road, 1 mile east of Garberville 30 Comment
  SEINET7887162 Image available Micropus californicus Unknown 1942-1 s.n. Humboldt Harris Road, 1 mile east of Garberville 30 Comment
  UC427865  Micropus californicus var. californicus H. E. Parks 1930-5-25 872 Humboldt ridges above Laribee Valley Comment
  CAS-BOT-BC349177  Microseris elegans K. L. Chambers 1969-5-25 2924 Humboldt On road to Harris 5.2 mi. E of the freeway overpass at Garberville Comment
  UC1199451  Microseris laciniata subsp. laciniata Joseph P. Tracy 1933-7-26 12925 Humboldt s slope Grouse Mountain (towards low creek); North Coast Ranges, s slope Grouse Mountain 1219 Comment
  RSA72856  Microseris leptosepala A. Kellogg, W. G. W. Harford 1868-09 567 Humboldt [Unspecified] Comment
  HSC102528  Microsteris gracilis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1515 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC50571  Microsteris gracilis G. L. Clifton, Griswold 1979-8-1 12061 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC1196767  Mimulus alsinoides Joseph P. Tracy 1946-6-23 175900 Humboldt Kneeland Prairie 762 Comment
  UC1196771  Mimulus alsinoides Joseph P. Tracy 1924-4-27 6646 Humboldt East Fork of Willow Creek Northern Coast Ranges, Willow Creek Canyon 457 Comment
  HSC20687  Mimulus aurantiacus var. aurantiacus R. Spellenberg 1965-6-14 1136 Humboldt Hwy. 299, 1 mi. E of Blue Lake Comment
  POM228349  Mimulus aurantiacus var. aurantiacus C. C. Harris, S. K. Harris 1936-6-9 s.n. Humboldt Carlotta. 61 Comment
  UCSB10373  Mimulus aurantiacus var. aurantiacus Parks, H.; Parks, S. 1951-6-1 Humboldt Along bay shore near landing, Trinidad Comment
  UC147910  Mimulus breweri Joseph P. Tracy 1908-6 2844 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  HSC35630  Mimulus cardinalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-1 2143 Humboldt Beside Willow Creek just up stream from Hwy. 299 bridge Comment
  HSC37368  Mimulus dentatus Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 502 Humboldt Along Lost Man Creek. 38 Comment
  UC169014  Mimulus floribundus Harley P. Chandler June, 1901 1481 Humboldt between Orleans and Somes Bar; North Coast Ranges, Klamath River 304 Comment
  UC741471  Mimulus grandis F. W. Hunnewell 1925-7-21 9744 Humboldt n Eureka Comment
  JEPS86884  Mimulus guttatus David M. Thompson 1986-3-26 856 Humboldt 100 ft s Siskiyou Co. line (along Hwy 96, Somes Bar, at confluence of rivers); Klamath River, Salmon River 61 Comment
  RSA60480  Mimulus guttatus John H. Thomas 1949-6-12 896 Humboldt Along road between Orick and Martin's Ferry. 15.5 miles west of Martin's Ferry. 762 Comment
  SEINET12330005  Mimulus guttatus F. H. Utech 1986-1 86 -405 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  UC1196830  Mimulus microphyllus Joseph P. Tracy 1933-8-6 12932 Humboldt Lyons Ranch Bald Hills 762 Comment
  HSC56027  Mimulus moschatus G. L. Clifton, Griswold 1979-8-2 12209 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC102508  Mimulus primuloides var. primuloides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1493 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC55694  Mimulus pulsiferae Overton, Butler 1979-7-26 10015 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UCD98260  Minuartia californica R. N. Raynor 1935-4-23 s.n. Humboldt Fort Seward. Comment
  UC1103540  Minuartia californica Joseph P. Tracy 1920-5-20 6215 Humboldt dry slope towards Lawrence Creek; Northern Coast Ranges, Kneeland Prairie 762 Comment
  POM208986  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Lookout Point, Look Prairie; Bull Creek watershed; Humboldt Redwood Park. 381 Comment
  HSC74124  Minuartia nuttallii subsp. gregaria M. A. Baker 1980-6-16 1932 Humboldt Near Monks Camp. 1097 Comment
  HSC25572  Mitella diversifolia J. O. Sawyer 1971-6-15 2383 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  HSC41896  Mitella ovalis M. A. Baker 1977-4-23 175 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  JEPS43803  Mitella ovalis Lincoln Constance 1934-6-15 892 Humboldt Grasshopper Peak South Fork Eel River, Bull Creek Region (summit) 975 Comment
  UC492220  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  UC275345  Modiola caroliniana Joseph P. Tracy 1923-6-18 6288 Humboldt Northern Coast Ranges, Petrolia Petrolia Petrolia Petrolia; Northern Coast Ranges, Petrolia 60 Comment
  HSC96209  Moehringia macrophylla Rick Lindquist, C. Riley 2005-6-3 2 Humboldt 19.3 mi. S of Hwy. 299 on NF1 1205 Comment
  UC1198327  Moehringia macrophylla Joseph P. Tracy 1927-6-12 8131 Humboldt Horse Mountain 1432 Comment
  HSC96945  Moehringia macrophylla Ryoko Ito, Shauna McDonald 2007-6-13 8 Humboldt 1 mi. from NF1 on FS 5N04 1601 Comment
  HSC56468  Monardella glauca Griswold, Butler 1979-7-12 7278 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC75492  Monardella glauca J. O. Sawyer 1980-7-18 3634 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC44557  Monardella odoratissima Brad Klipfel 1973-7-15 176 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC318614  Monardella villosa L. B. Kildale 1931-8-9 s.n. Humboldt Three Creeks on Willow Creek road. Comment
  HSC70686  Monardella villosa Gail Newton 1980-7-15 1573 Humboldt Near Sims Mtn. 1311 Comment
  UC1239681  Monardella villosa subsp. villosa Joseph P. Tracy 1936-6-27 15005 Humboldt Miranda South Fork Eel River 121 Comment
  JEPS13817  Moneses uniflora Joseph P. Tracy 1926-5-22 7515 Humboldt Northern Coast Ranges, Prairie Creek Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  UC673013  Montia chamissoi Joseph P. Tracy 1932-7-10 10378 Humboldt Trinity Summit, Corral Prairie Corral Prairie; Trinity Summit, Corral Prairie 1584 Comment
  UC1223246  Montia diffusa Joseph P. Tracy 1950-5-7 18652 Humboldt road to South Yager Valley is 5 mi n of Bridgeville (Valley of South Yager Creek); Valley of South Yager Creek 762 Comment
  UC183599  Montia linearis Joseph P. Tracy 1913-6-14 4134 Humboldt in valley of Van Duzen River (Dinsmore's Ranch, opposite Buck Mountain); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  CAS-BOT-BC445165  Montia parvifolia L. R. Abrams; R. Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon south of Orick Comment
  HSC44733  Morella californica Maralyn O'Meara 1971-10-25 54 Humboldt S side of Big Lagoon Comment
  POM257954  Muhlenbergia filiformis Joseph P. Tracy 8920 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1677 Comment
  UC1145149  Muhlenbergia filiformis Joseph P. Tracy 1919-9-18 5233 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UCD86804  Muhlenbergia mexicana Joseph P. Tracy 1918-9-29 5115 Humboldt South Fork of Eel River, 4 miles above the mouth. 60 Comment
  SEINET12275689  Myosotis laxa J. P. Tracy 1942-1 17072 Humboldt Mad River near bridge on coast highway Comment
  RSA239703  Myrica californica Larry E. DeBuhr 1973-4-23 988 b Humboldt Richardson Grove Redwood State Park. Comment
  RSA46887  Myrica californica Doris K. Kildale 1926-6-18 2393 Humboldt Gold Bluffs. Comment
  RSA47091  Myrica californica Doris K. Kildale 1926-11-28 2866 Humboldt Patrick s Point Comment
  HSC77885  Myriophyllum aquaticum Wendy Madar 1978-5-16 Humboldt Catfish Lake, 3 mi. S Eureka Comment
  HSC56058  Navarretia divaricata G. L. Clifton, Griswold 1979-7-31 11693 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC582694  Navarretia intertexta Joseph P. Tracy 1937-6-26 15363 Humboldt Willow Creek Trinity River Valley 152 Comment
  POM208984  Navarretia intertexta Lincoln Constance 1934-5-27 697 Humboldt Sandbar of south fork of Eel River at Dyerville bridge 43 Comment
  UC52743  Navarretia linearifolia subsp. pinnatisecta Chestnut and Drew 1888-7-23 Humboldt Hy-Am-Pum Comment
  HSC17144  Navarretia pubescens William J. Ferlatte, B. D. Rogers 1966-6-15 2098 Humboldt E of Bridgeville on Hwy. 36 671 Comment
  HSC17150  Navarretia squarrosa David Adams 1960-7-15 Humboldt Near Fort Humboldt monument, Eureka. 15 Comment
  HSC25539  Navarretia squarrosa Mike Sibernagle 1972-12-4 Humboldt 3 mi. E of Hwy. 101 beside Crannel Rd. Comment
  UC1222718  Navarretia tagetina Joseph P. Tracy 1950-6-23 18862 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  JEPS70490  Navarretia tagetina Joseph P. Tracy 1916-9-6 4758 Humboldt headwaters of Canoe Creek Northern Coast Ranges, Grasshopper Ridge, Canoe Creek 609 Comment
  JEPS7595  Nemacladus capillaris Joseph P. Tracy 1930-7-10 8865 Humboldt Brannan Mt. 1219 Comment
  SEINET10840156  Nemacladus capillaris Tracy 1930-7-10 TRACY 8865 Humboldt Brannan Mountain 1219 Comment
  UC582718  Nemophila heterophylla Joseph P. Tracy 1937-5-17 15292 Humboldt Willow Creek , at Willow Creek (Trinity River Valley) 152 Comment
  UC1116246  Nemophila menziesii Joseph P. Tracy 1948-5-31 17996 Humboldt Harris 609 Comment
  HSC13586  Nemophila menziesii Doris K. Kildale 1926-4-11 1762 Humboldt Buck Mtn. Comment
  HSC13589  Nemophila menziesii D. E. Anderson 1965-4-24 3532 Humboldt Along Titlow Hill Rd. Comment
  UC1005677  Nemophila menziesii Frank W. Gould 1939-5-30 835 Humboldt about 25 mi due e Eureka (near top Horse Mountain, near ski-hut); near top Horse Mountain, e of Eureka 1100 Comment
  UC146183  Nemophila menziesii var. atomaria Joseph P. Tracy 1908-6-9 2645 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1245399  Nemophila parviflora Joseph T. Gregory 1937-5-17 1201 Humboldt moist shaded ground e Trinity River (Willow Creek); e of Trinity River, Willow Creek 152 Comment
  UC73585  Nicotiana quadrivalvis var. quadrivalvis Joseph Burtt Davy and Walter C. Blasdale 1899-6-20 5709 Humboldt Hoopa Valley Comment
  CAS-BOT-BC60565  Noccaea fendleri subsp. glauca Lincoln Constance; Reed C. Rollins 1942-5-11 2877 Humboldt North Coast Ranges. Hoopa Valley 5 miles south of Hoopa. 121 Comment
  HSC6970  Noccaea fendleri subsp. glauca Lincoln Constance, R. C. Rollins 1942-5-12 2887 Humboldt Klamath River, 7 mi. NE of Weitchpec 122 Comment
  HSC54589  Notholithocarpus densiflorus var. densiflorus Overton, Butler 1979-7-24 9657 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC99079  Notholithocarpus densiflorus var. echinoides Cara Witte 2008-7-10 852 Humboldt Forest Service Road 4N06A. Cow Creek Ridge. 1.5 mile from National Forest 1. Under powerlines. 1239 Comment
  CAS-BOT-BC400074  Nuphar polysepala L. R. Abrams 1918-6-16 7160 Humboldt Willow Creek Comment
  UC1222454  Nuttallanthus texanus J. P. Tracy 1919-4-27 5135 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  HSC98741  Oemleria cerasiformis Cara Witte 2008-6-2 673 Humboldt White Oak Opening. 1231 Comment
  UCD127736  Oenanthe C. S. Myszka 1921-4-1 s.n. Humboldt County unknown: location unknown. 457 Comment
  HSC39450  Oenanthe sarmentosa Linda M. Barker 1976-7-5 1632 Humboldt 3 mi. W of Arcata. Comment
  UC1123090  Oenanthe sarmentosa H. L. Person 1932-8-22 Humboldt Eureka Quad., Arcata, Redwood Auto Camp. Comment
  HSC36313  Oenanthe sarmentosa Gerald Fijii 1972-10-20 Humboldt Big Lagoon Bog Comment
  UCD127762  Oenanthe sarmentosa C. S. Myszka 1921-4-1 s.n. Humboldt County unknown: location unknown. Comment
  UCD127763  Oenanthe sarmentosa C. S. Myszka 1921-4-1 s.n. Humboldt County unknown: location unknown. Comment
  RSA0004550  Oenothera hookeri subsp. wolfii Carl B. Wolf, E. R. Johnson 1934-12-11 6172 Humboldt Redwood Highway just south of Trinidad. 30 Comment
  UCR111734  Oenothera wolfii D. K. Imper 1993-5-13 s.n. Humboldt North Coast, Lost Coast Road c. 4 miles south of Cape Mendocino at Davis Creek Bridge, from bridge along road c. 300 ft. to north 6 Comment
  HSC37886  Olsynium douglasii var. douglasii Thomas W. Nelson 1976-4-3 2288 Humboldt On large rock at head of Goat Rock slide, N side of Van Duzen River Comment
  HSC5070  Oreostemma alpigenum var. andersonii J. P. Tracy 1919-9-22 5278 Humboldt Trinity Summit 1890 Comment
  JEPS10821  Orobanche fasciculata Lincoln Constance 1934-5-29 741 Humboldt Bull Creek Region. South Fork Eel River. Upper Look Prairie, just above Lookout Point. Comment
  UC1197442  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1941-4-26 16865 Humboldt Kneeland Prairie. Comment
  UC1197443  Orobanche uniflora subsp. occidentalis Mrs. Frank A. Graham 1921-4-1 Humboldt Northern Coast Ranges. Trinity River Valley, near Willow Creek. Comment
  UC1197444  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1947-7-5 17821 Humboldt Trinity Summit. Near Box Camp. Comment
  UC1197445  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1948-5-31 18004 Humboldt Near Harris. Comment
  HSC54586  Orthilia secunda Overton, Butler 1979-7-24 9645 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54678  Orthilia secunda Overton, Butler 1979-7-26 9942 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC55013  Orthilia secunda G. L. Clifton 1979-7-31 11395 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC55161  Orthilia secunda Gilbert Muth 1979-8-1 12130 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC32669  Orthilia secunda Chestnut and Drew 1888-7-21 Humboldt South Fork Mts. Comment
  POM225846  Orthocarpus lithospermoides M. S. Jussel 1931-5-2 s.n. Humboldt 20 mi. N. of Garberville. Comment
  SEINET8733553 Image available Orthocarpus pusillus C. C. Harris, S. K. Harris 1942-1 1283 Humboldt 1 mile north and 3 miles west of Chalk Mountain Comment
  HSC56175  Osmorhiza berteroi G. L. Clifton, Terry Griswold 1979-8-1 12082 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  BLMAR43  Osmorhiza berteroi June, 1982 43 Humboldt King range, tolkan campground Comment
  HSC21584  Osmorhiza berteroi D. E. Anderson 1961-8-11 1724 Humboldt E of Humboldt State College campus. 30 Comment
  HSC45577  Osmorhiza berteroi Diane L. Reed 1978-5-7 48 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  HSC48813  Osmorhiza occidentalis Brad Klipfel 1973-7-31 227 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC75448  Osmorhiza occidentalis J. O. Sawyer 1980-7-18 3582 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  JEPS43130  Oxalis corniculata Joseph P. Tracy 1918-11-17 5119 Humboldt Elk River Corners Northern Coast Ranges, Eureka 0 Comment
  UC1197419  Oxalis oregana Joseph P. Tracy 1906-5-6 2440 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UC170010  Oxalis oregana Harley P. Chandler 1901-6-30 1188 Humboldt Eureka North Coast Ranges, Humboldt Bay 30 Comment
  SEINET12011449  Paeonia californica E. A. York 1990-1-10 2704 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC8614  Papaver rhoeas D. G. Hauger 1967-7-13 6 Humboldt Corner of W boundary of section 25 Comment
  HSC94174  Parapholis incurva Gordon Leppig, Sylvia Leppig 2000-5-29 1385 Humboldt Trinidad Harbor. 4 Comment
  JEPS84972  Parentucellia viscosa Barbara Ertter with Thomas J. Delendick 1987-5-16 6915 Humboldt 8 mi e of Arcata (9 1/2 mi w of Lord Ellis Summit, Hwy 299 roadside); Hwy 299 Comment
  UC582563  Parentucellia viscosa Joseph P. Tracy 1937-7-17 15433 Humboldt Eureka 30 Comment
  UCSB25613  Parnassia palustris Tracy, Joseph 1934-8-29 Humboldt South Fork Mountain, McKay Camp 1676 Comment
  HSC41014  Paxistima myrsinites J. P. Smith, J. O. Sawyer 1976-5-2 8636 Humboldt 8 mi. W of Loop Rd. on Hoopa Reservation along Redwood Creek-Hoopa Rd. Comment
  HSC56113  Paxistima myrsinites Gilbert Muth 1979-8-1 11880 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC20924  Pedicularis densiflora D. E. Anderson 1962-5-1 2202 Humboldt 1 mi. W of Hoopa Comment
  UC1222452  Pedicularis densiflora Joseph P. Tracy 1923-3-17 6160 Humboldt vicinity of Garberville 121 Comment
  UC213504  Pedicularis racemosa Joseph P. Tracy 1919-9-18 5249 Humboldt Trinity Summit; Northern Coast Ranges 1524 Comment
  UC218627  Pellaea andromedifolia Joseph P. Tracy 1921-5-30 5495 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  RSA187565  Pellaea andromedifolia S. K. Harris 1960-7-11 21651 Humboldt 3.8 miles west of Redway Comment
  HSC54218  Pellaea brachyptera Griswold, Butler 1979-7-12 7282 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC24382  Penstemon anguineus J. O. Sawyer 1970-6-24 2255 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC75553  Penstemon anguineus J. O. Sawyer, R. J. Cole 1977-7-3 3010 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  UCR133559  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt near end of Forest Rd from Hoopa towards Trinity Summit 1372 Comment
  HSC25398  Penstemon azureus J. O. Sawyer 1970-6-24 2213 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  JEPS11630  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 A Humboldt on ridge 2 mi e Groves Prairie; Trinity Summit 1524 Comment
  NY604545  Penstemon laetus var. sagittatus F. W. Pennell 1940-7-7 26094 Humboldt Grouse Mountain, west of Salyer 1463.0 Comment
  UC1222427  Penstemon laetus var. sagittatus Joseph P. Tracy 1933-7-9 12651 Humboldt Brannan Mountain Northern Coast Ranges, Brannan Mountain 1066 Comment
  HSC56119  Penstemon newberryi subsp. berryi Gilbert Muth 1979-8-1 11894 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  UC1198051  Penstemon newberryi var. berryi Joseph P. Tracy 1941-8-28 17046 Humboldt South Fork Mountain, along summit near Blake lookout Northern Coast Ranges 1706 Comment
  JEPS7918  Penstemon rattanii Joseph P. Tracy 1921-6-12 5822 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  RSA0094697  Pentagramma triangularis A. Davidson 1923-8-11 17064 Humboldt Near Scotia. Comment
  SEINET200761  Perideridia lemmonii Joseph Tracy 1920-11-14 5411 Humboldt Dow's Prairie 61 Comment
  HSC99999  Persicaria capitata J. P. Smith 2009-11-17 12697 Humboldt Mouth of storm drain, at 7th & E in Eureka Comment
  CHSC32972  Persicaria maculosa J. P. Smith; Advanced Taxonomy Class 1971-10-6 4950 Humboldt Dunes at the end of Murray road in McKinleyville. Comment
  UCD99742  Persicaria maculosa James Payne Smith Jr.; Advanced Plant Taxonomy Class 1971-10-6 4950 Humboldt End of Murray Road in McKinleyville. Comment
  CDA40548  Persicaria wallichii R. Robison 2014-5-5 s.n. Humboldt Adjacent to Trinidad State Beach on Stagecoach Road. 0 Comment
  CAS-BOT-BC419742  Persicaria wallichii Stuart K. Harris 1959-7-15 20144 Humboldt Falk Comment
  JEPS1438  Phacelia bolanderi W. L. Jepson 1932-8-9 16536 Humboldt Bull Creek 106 Comment
  UC1586868  Phacelia bolanderi Juha Pykala and D. H. Norris 1987-6-10 1510 Humboldt on a road to Onion Lake about 18 mi from Highway 96; Six Rivers National Forest Comment
  HSC100721  Phacelia bolanderi Carl C. Marshall Jun 1887 409 Humboldt S Fork of Eel River and Eel River. Comment
  SEINET12330003  Phacelia bolanderi F. H. Utech 1986-1 86 -384 Humboldt 0.5 mi NNW on Kings Peak Road (Humboldt County C4A) from junction with Shelter Cove Road 600 Comment
  HSC38128  Phacelia heterophylla subsp. virgata Thomas W. Nelson, James Nelson 1976-5-30 2618 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UCD120520  Phacelia heterophylla subsp. virgata Alice Eastwood; John Thomas Howell 1937-6-23 4757 Humboldt Dinsmore's. Comment
  HSC24374  Phacelia mutabilis J. O. Sawyer 1970-6-24 2284 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC57119  Phacelia mutabilis Overton, Butler 1979-7-25 9864 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC58339  Phacelia mutabilis Overton, Butler 1979-8-2 12654 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC562566  Phacelia mutabilis Joseph P. Tracy 1932-7-12 10432 Humboldt Corral Prairie Trinity Summit 1584 Comment
  POM265889  Phacelia nemoralis subsp. oregonensis Lincoln Constance, R. C. Rollins 1942-5-11 2872 Humboldt Hoopa Valley 6 miles S of Hoopa. 122 Comment
  UC526832  Phalaris aquatica Joseph P. Tracy 1927-9-18 8366 Humboldt Carlotta; Northern Coast Ranges, Carlotta 60 Comment
  UC552735  Phalaris aquatica Joseph P. Tracy 1934-6-21 13241 Humboldt along highway across Salmon Creek flats; Northern Coast Ranges, along hwy across Salmon Creek flats 6 Comment
  HSC65450  Phalaris canariensis J. P. Smith 1973-5-26 6805 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  CAS-BOT-BC250685  Phalaris paradoxa W. A. Silveus 1931-6-9 2990 Humboldt Dyerville Comment
  CAS-BOT-BC76564  Philadelphus lewisii Doris K. Kildale 1928-6-9 5057 Humboldt Chalk Mountain Comment
  CAS-BOT-BC76569  Philadelphus lewisii L. R. Abrams 1916-7-11 6006 Humboldt Between Blocksberg and Bridgeville Comment
  UC666824  Philadelphus lewisii Joseph P. Tracy 1938-6-9 15872 Humboldt Dobbyn Creek 152 Comment
  RSA0046936  Philadelphus lewisii Lyman Benson 1928-7-10 397 Humboldt Hills by Humboldt Bay, Fortuna. Mouth of Eel River. 30 Comment
  UC184148  Phleum alpinum Joseph P. Tracy 1912-7-26 3869 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC44533  Phlox adsurgens Brad Klipfel 1973-7-1 140 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC140581  Physocarpus capitatus Thomas Nelson; Linda Barker 1977-6-3 3387 Humboldt On flood plain of Mad River at south end of Mad River Bridge 53 Comment
  UC1198699  Physocarpus capitatus Joseph P. Tracy 1933-6-25 12619 Humboldt along Eel River Camp Grant (3 mi above junction of South Fork) 60 Comment
  HSC95902  Picea sitchensis Will Ferrand 2002-4-28 40 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  NY34413  Picea sitchensis E. Fritz 1935-8-16 8154 Humboldt Comment
  UC55646  Picea sitchensis J. Burtt Davy 1899-7-30 6186 Humboldt in gulches in back Ferndale; North Coast Ranges Comment
  HSC100690  Pimpinella apiodora Carl C. Marshall Jun 1886 298 Humboldt Bald Hills. Comment
  UC72494  Pinus contorta subsp. contorta H. P. Chandler 1905-5-5 Humboldt Eureka Comment
  POM282097  Pinus contorta var. contorta H. E. Parks 1931-05 s.n. Humboldt Samoa, Pine Barrens. Comment
  RSA275331  Pinus monticola Robert M. Specht 1977-11-20 1190 Humboldt Near Hwy. 101, flats along Gerogia Pacific s A-line. 122 Comment
  UC650336  Pinus monticola Charles H. Bunting 1940-8-12 56 Humboldt n of, n slope of Bee Mountain Weitchpec; Bee Mountain 1082 Comment
  HSC98866  Pinus ponderosa var. ponderosa Cara Witte 2008-7-1 787 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  CAS-BOT-BC72733  Pinus sabiniana Doris K. Kildale 1928-10-7 6753 Humboldt Willow Creek Flat - Trinity River Valley Comment
  UC63995  Pinus sabiniana Mrs. M. H. Manning Apr 1 1902-May 1 1902 Humboldt Hupa Comment
  UC275575  Piperia candida Joseph P. Tracy 1923-6-19 6297 Humboldt near Kings Peak; Northern Coast Ranges, Wilder Ridge 609 Comment
  POM208985  Piperia candida Lincoln Constance 1934-5-27 708 Humboldt Humboldt Redwood Park, in Border Forest, bluff above Bull Creek, Flat Grove 61 Comment
  UC1488745  Piperia elegans J. D. Ackerman 1974-8-13 405 Humboldt ca 2 mi n Manila (between sand dunes and Mad River Slough) Comment
  UCD139019  Piperia transversa Linda M. Barker 1976-6-14 1595 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC102544  Piperia unalascensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1534 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC49366  Pityopus californicus T. Jimerson, J. Pageau 1979-6-15 578 Humboldt West of FS 11N21, on the boundary between Sections 27 and 28. 762 Comment
  UC1222225  Plagiobothrys bracteatus Joseph P. Tracy 1942-6-15 17139 Humboldt in mddy stream or mud South Fork of Eel River, Miranda Comment
  HSC79417  Plagiobothrys nothofulvus Kenneth Clark 1980-4-18 585 Humboldt On Coastal Bluffs above Dead Man's Gulch 137 Comment
  LA204802  Plagiobothrys scopulorum Joseph P. Tracy; 1935-5-25 13844 Humboldt Fort Seward 106 Comment
  UC1222206  Plagiobothrys scouleri Joseph P. Tracy 1946-5-30 17538 Humboldt 2 mi so Bridgeville 457 Comment
  HSC99993  Plantago coronopus J. P. Smith, & J. O. Sawyer 2009-10-4 12688 Humboldt Growing along rock pathway at Wedding Rock, Patrick's Point State Park 44 Comment
  HSC33750  Plantago erecta A. Montalvo 1975-5-24 282 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC34459  Plantago erecta J. P. Smith, J. O. Sawyer 1975-5-11 8084 Humboldt Samoa Peninsula, just N of The Coast Guard Station boundary. Comment
  JEPS14281  Plantago erecta Joseph P. Tracy 1946-6-2 17553 Humboldt near Samoa; Humboldt Bay 6 Comment
  HSC16844  Plantago lanceolata R. I. Bonn 1965-5-9 38 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC16852  Plantago major Paul Shields Jun 1955 Humboldt 1 mi. N of Weott Comment
  UC1116244  Plantago major Joseph P. Tracy 1942-7-25 17300 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  HSC16850  Plantago major Anderson 1961-8-25 1748 Humboldt 1.5 mi. S of Trinidad Comment
  SEINET10782201  Plantago major J. Richard Abbott, B. S. Carlsward 1999-7-7 Abbott 13016 Humboldt On U.S. 101, near Holmes, 1.76 km south of Stafford Road. Comment
  UCD124527  Plantago major Joseph P. Tracy 1942-7-25 17300 Humboldt Fickle Hill. 6 miles SE of Arcata. 609 Comment
  UCR111732  Plantago subnuda R. York 1977-11-25 65 Humboldt North Coast, margin of ditch along Hwy 101 between Eureka and Arcata, corner of Indianola Rd. and Hwy 101 1 Comment
  HSC57692  Platanthera dilatata var. leucostachys G. L. Clifton, Griswold 1979-7-25 10917 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC70504  Platanthera dilatata var. leucostachys Gail Newton 1980-7-20 1612 Humboldt Near Bell Swamps 1426 Comment
  HSC53951  Platanthera sparsiflora Griswold, Butler 1979-7-11 7001 Humboldt Near Snow Camp Lake, close to the town of Willow Creek. 1393 Comment
  CAS-BOT-BC91638  Platystemon californicus J. Ed. McClellan; Bonnie McClellan 1972-6-1 s.n. Humboldt Samoa. Comment
  HSC16796  Platystemon californicus S. J. Hawks 1965-3-9 45 Humboldt 1 mi. W of McKinleyville, past the end of Murray Rd. Comment
  HSC16799  Platystemon californicus P. N. Slattery 1963-4-27 42 Humboldt Clam Beach Comment
  UC146076  Platystemon californicus Joseph P. Tracy 1904-4-24 2020 Humboldt sand dunes of Ocean Beach Ocean Beach (Humboldt Bay); Northern Coast Region, , Ocean Beach Comment
  SEINET516269  Platystemon californicus Vernon H. Oswald 1998-4-16 8915 Humboldt North Spit of Humbldt Bay, west side of New Navy Base Rd. 1.7 mi S of Hwy. 255. Comment
  UC602532  Plectritis brachystemon Joseph P. Tracy 1936-7-5 15037 Humboldt North Coast Range, Grouse Mountain Grouse Mountain; North Coast Range, Grouse Mountain 1524 Comment
  HSC75692  Pleuropogon refractus Bill Copeland 1980-6-26 303 Humboldt Near Murphy Meadow 914 Comment
  SEINET200751  Pneumonanthe setigera Joseph P. Tracy 1919-9-22 5274 Humboldt Trinity Summit 1829 Comment
  SEINET10589989  Poa Rattan 1878-1 RATTAN s.n. Humboldt Common in inherited ... Comment
  CAS-BOT-BC244360  Poa annua Henry M. Pollard 1987-8-30 s.n. Humboldt North Klamath River road near Redcap Creek, Orleans region Comment
  HSC23046  Poa annua D. E. Anderson 1970-5-21 Humboldt Scotia Bluffs, across the river from Rio Dell-Scotia. Comment
  HSC89479  Poa annua P. A. Daly 1986-3-12 76 Humboldt Trinidad Head, along trail 61 Comment
  SEINET200845  Poa annua J. P. Tracy 1914-7-5 4548 Humboldt Bald Mtn between High Prairie and Snow Camp 1219 Comment
  UC1145113  Poa annua Joseph P. Tracy 1937-5-17 15294 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC73731  Poa bolanderi M. A. Baker 1980-7-19 3009 Humboldt Near Bret Hole. 1814 Comment
  UC1103791  Poa bolanderi Joseph P. Tracy 1935-7-28 14334 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  UCD90568  Poa bolanderi Joseph P. Tracy 1937-7-29 15581 Humboldt South Fork Mountain near McKay camp. 1676 Comment
  HSC10701  Poa douglasii T. O. Preston 1963-5-6 42 Humboldt Sand dunes Comment
  UC1145115  Poa douglasii Joseph P. Tracy 1947-7-3 17766 Humboldt mouth of Little River 6 Comment
  CAS-BOT-BC255850  Poa kelloggii Harley P. Chandler 1901-5-1 1183 Humboldt Humboldt Bay 30 Comment
  POM204873  Poa macrantha Joseph P. Tracy 1900-7-4 886 Humboldt Sand Hills of Ocean Beach at Samoa, opp. Eureka Comment
  RSA28797  Poa macrantha H. E. Parks 1934-05 4805 Humboldt Little River lagoon Comment
  HSC102626  Poa pratensis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1612 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC10770  Poa pratensis R. D. Zortman 1963-5-5 32 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  UCD91845  Poa pratensis Les Berry 1956-6-20 s.n. Humboldt May Ranch, Bridgeville. Comment
  UC187249  Poa pratensis subsp. pratensis Joseph P. Tracy 1911-6-25 3259 Humboldt Bucksport; Northern Coast Region, Humboldt Bay 0 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
  HSC98669  Poa secunda subsp. secunda Cara Witte 2008-7-2 813 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  UC1198996  Polygala californica Joseph P. Tracy 1921-4-24 5455 Humboldt facing South Fork Eel River (Phillipsville); Northern Coast Ranges, , South Fork Eel River 121 Comment
  HSC44772  Polygala californica Thomas W. Nelson, Jane P. Nelson 1977-7-4 3585 Humboldt W side of road N from Alder Springs 1494 Comment
  RSA75592  Polygala californica Albert M. Vollmer, L. Beane 1951-6-6 127 Humboldt On road between Orick and Weitchpec. Comment
  UC902120  Polygala cornuta var. cornuta Joseph P. Tracy 1947-7-5 17788 Humboldt ridge top 1 mi w Mud Springs; Trinity Summit 1158 Comment
  UC55943  Polygonum aviculare subsp. aviculare J. P. Tracy 1901-7-28 1219 Humboldt Immediate vicinity of Eureka 0 Comment
  UC672975  Polygonum aviculare subsp. depressum Joseph P. Tracy 1940-10-15 16754 Humboldt Willow Creek Canyon, along Trinity Highway 792 Comment
  UC1116243  Polygonum californicum Joseph P. Tracy 1942-9-6 17305 Humboldt opposite Buck Mountain; Van Duzen River, Dinsmore's 762 Comment
  CDA2769  Polygonum capitatum Gordon Leppig, Sylvia Leppig 2000-4-16 1298 Humboldt Corner 17th and J Street, Arcata. Comment
  HSC71819  Polygonum douglasii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5954 Humboldt Six Rivers National Forest, saddle between two peaks E of Mt. Lassic 1768 Comment
  SEINET3405786 Image available Polygonum douglasii Joseph P. Tracy 1947-8-24 17887 Humboldt Trinity Summit, Near Box Camp, in open fir timber 1524 Comment
  HSC54878  Polygonum minimum G. L. Clifton, Griswold 1979-7-25 10873 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC109181  Polygonum paronychia Alice Eastwood 1923-8-14 12314 Humboldt Samoa. Comment
  CHSC55907  Polygonum paronychia L. P. Janeway 1987-7-31 2544 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  HSC33752  Polygonum paronychia A. Montalvo 1975-5-24 283 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  RSA667220  Polygonum paronychia George K. Helmkamp, E. A. Helmkamp 2001-7-8 7018 Humboldt North coast: Samoa Peninsula, 2.6 miles S of CA-255 bridge across Humboldt Bay. 15 Comment
  JEPS50637  Polygonum persicaria Lincoln Constance 1934-6-12 861 Humboldt Bull Cr. road and N. bank of river; South Fork Eel River, Bull Creek Region Comment
  HSC55283  Polygonum polygaloides subsp. kelloggii Overton, Butler 1979-8-2 12711 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 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
  CDA2924  Polygonum polystachyum Thomas W. Nelson, M. Alcasas 1978-10-1 4555 Humboldt Highway 101 right-of-way just north of Humboldt State University exit. 0 Comment
  RSA244982  Polypodium calirhiza D. A. Haskell 1966-4-16 13 Humboldt Coastal strand sand dunes near town of Samoa Comment
  RSA136736  Polypodium glycyrrhiza I. L. Wiggins 1957-6-20 14134 Humboldt East side of highway, Trinidad Comment
  RSA47154  Polypodium glycyrrhiza Doris K. Kildale 1928-12-29 6766 Humboldt Unspecified Comment
  HSC1114  Polypodium scouleri D. E. Anderson 1961-8-25 1754 Humboldt 1.5 mi. S of Trinidad Comment
  HSC1116  Polypodium scouleri Gene S. Van Horn 1962-5-26 33 Humboldt 250 E 17th St., Arcata 61 Comment
  UC526771  Polypogon interruptus Joseph P. Tracy 1927-7-16 8260 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  HSC65444  Polypogon monspeliensis J. P. Smith 1973-5-26 6813 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC79387  Polypogon monspeliensis Kenneth Clark 1979-7-1 459 Humboldt Shelter Cove. One beach at base of cliffs; first reef of Point Delgada headlands. 5 Comment
  HSC102542  Polystichum imbricans M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1533 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC73633  Polystichum imbricans M. Baker 1980-7-23 3178 Humboldt Near Orleans Mtn. 1859 Comment
  UCD39987  Polystichum imbricans subsp. curtum Rodney Gale Myatt 1971-9-22 1198 B Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  UC906671  Polystichum munitum Joseph P. Tracy 1947-5-24 17688 Humboldt Big Lagoon 12 Comment
  HSC95887  Polystichum munitum Will Ferrand 2002-4-20 26 Humboldt 9 mi. E of int. of West End Rd. and Warren Cr. Rd. 67 Comment
  HSC98643  Polystichum munitum Cara Witte 2008-7-10 864 Humboldt Forest Service Road 4N06. 2 miles west of National Forest 1. 1195 Comment
  UC672880  Potamogeton foliosus Joseph P. Tracy 1934-8-14 Humboldt South Fork of Eel River (midway between Miranda and Garberville) 91 Comment
  JEPS42952  Potamogeton pectinatus Joseph P. Tracy 1916-6-19 4718 Humboldt Dobbyn Creek; Northern Coast Ranges 182 Comment
  UC1103479  Potamogeton pectinatus Joseph P. Tracy 1939-8-20 16432 Humboldt Big Lagoon 3 Comment
  CAS-BOT-BC453910  Potamogeton pectinatus Robert F. Thorne; P. Everett 1965-8-9 35343 Humboldt Along Hwy. 101 about 3 mi. N of Eureka 1 Comment
  JEPS42953  Potamogeton richardsonii E. G. Pluke 1926-8-1 Humboldt w of Dow's Prairie (at mouth of Widow White Creek); Widow White Creek 3 Comment
  UCD113692  Potentilla anserina subsp. pacifica Linda M. Barker 1976-6-1 1556 Humboldt 3 miles west of Arcata. Comment
  UCD113696  Potentilla anserina subsp. pacifica Gordon Leppig 1998-6-25 855 Humboldt McKinleyville, Mad River Estuary at end of Murray Rd. 0 Comment
  CAS-BOT-BC142024  Potentilla drummondii Joseph P. Tracy 1932-7-10 10391 Humboldt Wet meadow at Corral Prairie - Trinity Summit 1524 Comment
  HSC102139  Potentilla glandulosa subsp. glandulosa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1043 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC34288  Potentilla gracilis K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  HSC98037  Potentilla gracilis var. gracilis Cara Witte 2007-7-17 540 Humboldt Board Camp Mountain. Intersection of Forest Service Road 4N38 and National Forest 1. 1395 Comment
  HSC15460  Prosartes hookeri D. E. Anderson 1963-5-25 2489 Humboldt 0.5 mi. S of Capetown Comment
  CAS-BOT-BC517504  Prosartes smithii H. C. Cantelow 1936-5-18 1342 Humboldt 3 miles E of Orick Comment
  HSC49800  Prosartes smithii R. York 1979-4-9 214 Humboldt Behind HSU campus, by trail Comment
  HSC328  Prunella vulgaris J. Wendell Howe Humboldt Y Camp, Redway, Rocky Beach Comment
  UCD125357  Prunella vulgaris Joseph P. Tracy 1942-10-18 17404 Humboldt Jacoby Creek, near the quarry. 152 Comment
  JEPS62489  Prunella vulgaris var. lanceolata Joseph P. Tracy 1937-6-28 15370 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  POM283387  Prunella vulgaris var. lanceolata Lyman Benson 1928-7-12 404 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA430228  Prunella vulgaris var. lanceolata G. F. Orr 1963-8-15 s.n. Humboldt Patrick Point State Park, near Trinidad Comment
  UC1288489  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-12-29 688 Humboldt on Eel River s Meyer's Flat (Eagle Point); Eel River Comment
  UCD125323  Prunella vulgaris var. lanceolata K. Esau 1934-5-6 s.n. Humboldt Fort Seward. 152 Comment
  CAS-BOT-BC159975  Prunus emarginata Doris K. Kildale 1927-5-14 3290 a Humboldt Big Lagoon Comment
  HSC71668  Prunus emarginata Gail Newton 1980-6-24 552 Humboldt Near Ladder Rock 1500 Comment
  OBI36664  Prunus emarginata David J. Keil 1983-7-2 17323 Humboldt Ca. 4 mi SE ofSR 299 along titlow Hill Rd below Horse Mtn Summit Rd Comment
  RSA254750  Prunus emarginata D. E. Anderson 1972-6-13 5572 Humboldt Westward lower slopes of Black Lassic near Trinity County line. 1585 Comment
  RSA46842  Prunus emarginata Doris K. Kildale 1927-7-22 3813 Humboldt Lasseck's Peaks Comment
  UC183605  Prunus emarginata Joseph P. Tracy 1912-7-31 3922 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain Comment
  CAS-BOT-BC357271  Pseudognaphalium microcephalum Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  UC164851  Pseudognaphalium ramosissimum Joseph P. Tracy 1909-9-19 3095 Humboldt sand dunes of ocean beach at Humboldt Bay; Northern Coast Region, Humboldt Bay Comment
  HSC79536  Pseudognaphalium stramineum Kenneth Clark 1979-7-1 455 Humboldt Dead Man's Gulch 9 Comment
  HSC89524  Pseudognaphalium stramineum M. Roantree 1985-6-11 90 Humboldt SW side of Trinidad Head Comment
  HSC76289  Pseudotsuga menziesii var. menziesii Teresa Prendusi 1981-7-9 248 Humboldt Near Slate Creek Butte 1122 Comment
  HSC45284  Psilocarphus brevissimus R. W. Becking 1978-5-21 Humboldt Coast Guard Station on the N Spit to Humboldt Bay in bunker area Comment
  CAS-BOT-BC361930  Psilocarphus tenellus M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale on road to Garberville Comment
  CAS-BOT-BC460504  Pterospora andromedea Doris Kildale Gillespie 1931-6-7 10662 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  UCSC000066  Puccinellia nutkaensis H. S. Yates 1936-6-16 5669 Humboldt 1 mile N.E. of Samoa - Eureka 0 Comment
  HSC17978  Pyrola aphylla Chestnut, Drew 1888-7-12 Humboldt Campbell's Comment
  JEPS58839  Pyrola aphylla Milo S. Baker 1923-7-31 168 Humboldt Booth's Run, North Coast Comment
  UC153970  Pyrola asarifolia J. P. Tracy 1901-6-30 1191 Humboldt Immediate Vicinity of Eureka 0 Comment
  CAS-BOT-BC462868  Pyrola asarifolia Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  JEPS66560  Pyrola asarifolia subsp. bracteata Lincoln Constance 1934-6-8 835 Humboldt Cow Creek fire-trail from Bull Cr road n over the divide into the headwaters Bear Cr (Bull Creek Region, South Fork Eel River); South Fork Eel River, Bull Creek Region Comment
  POM209002  Pyrola bracteata Lincoln Constance 1934-6-8 835 Humboldt Cow Cr. fire-trail, Bull Cr. watershed, Humboldt Redwood Park. 457 Comment
  HSC44342  Pyrola dentata Brad Klipfel 1975-6-17 687 Humboldt Horse Mtn. Comment
  UC56318  Pyrola picta Joseph Burtt Davy 1899-6-11 5420 Humboldt Hubbard's Station to Elk Prairie Comment
  HSC100630  Pyrus rivularis Carl C. Marshall Aug 1886 252 Humboldt Near streams. Comment
  CAS-BOT-BC36510  Quercus Doris Kildale 1931-5-10 10580 Humboldt Snow Camp Comment
  HSC8106  Quercus chrysolepis D. E. Anderson 1961-9-30 1840 Humboldt Blue Lake 793 Comment
  JEPS37484  Quercus chrysolepis W. L. Jepson 1903-6 2204 Humboldt Briceland, Expedition from Ukiah to Southern Humboldt Co., via the Blue Rock Ridge and return via Fort Bragg Briceland Comment
  JEPS37485  Quercus chrysolepis W. L. Jepson 1902-6 1886 Humboldt Ft. Seward Ranch Ridge 1219 Comment
  UC54679  Quercus chrysolepis P. E. Goddard 1901-7-12 59 Humboldt Hupa Comment
  UC1052191  Quercus garryana J. L. Meyer 1954-10-10 36 Humboldt 3 mi nw Blocksburg 548 Comment
  UC667987  Quercus garryana Joseph P. Tracy 1938-6-13 15915 Humboldt Cold Springs Grouse Mountain 1432 Comment
  HSC99030  Quercus garryana var. garryana Cara Witte 2008-7-14 898 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  CAS-BOT-BC105165  Quercus kelloggii Doris K. Kildale 1928-3-31 4384 Humboldt 3 miles N of Gaberville on Redwood Highway 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
  UC1225942  Quercus sadleriana Joseph P. Tracy 1947-8-24 17909 Humboldt near Box Camp; Trinity Summit 1524 Comment
  HSC85452  Quercus vacciniifolia Andrew Buchanan, et al. 1986-6-6 101 Humboldt Titlow Hill Rd. and ski area exit Comment
  UCD97349  Ranunculus K. Twitchell 1996-5-11 26 Humboldt Crannell. Coastal cliffs along old Highway 101 at Moonstone beach access. 36 Comment
  UC1103003  Ranunculus aquatilis var. capillaceus Joseph P. Tracy 1913-3-9 4024 Humboldt Alton Northern Coast Region (ditch by roadside) 30 Comment
  UC1103005  Ranunculus aquatilis var. capillaceus Joseph P. Tracy 1936-6-17 14951 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
  UC1103004  Ranunculus aquatilis var. hispidulus Joseph P. Tracy 1939-5-14 16293 Humboldt near Dinsmore's (pond along river); Van Duzen River 746 Comment
  HSC18143  Ranunculus californicus var. cuneatus W. A. Heaton 1965-4-10 26 Humboldt 0.5 mi. N of Trinidad State Park Comment
  HSC26638  Ranunculus lobbii Thomas W. Nelson 1971-5-31 447 Humboldt Vernal pond Comment
  UCD96942  Ranunculus occidentalis R. N. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  HSC18169  Ranunculus occidentalis var. occidentalis Francis Winter 1960-5-7 Humboldt NE end of Arbor Camp Ridge 915 Comment
  HSC31173  Ranunculus occidentalis var. occidentalis D. E. Anderson 1972-6-20 5748 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC97644  Ranunculus occidentalis var. occidentalis C. Witte 2007-5-8 12 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1397 Comment
  HSC18163  Ranunculus occidentalis var. occidentalis E. W. Styskel 1963-5-19 36 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 290 Comment
  HSC56061  Ranunculus uncinatus G. L. Clifton, Griswold 1979-7-31 11703 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC13973  Ranunculus uncinatus Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UCD115153  Raphanus raphanistrum Linda M. Barker 1976-7-5 1647 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  HSC39793  Raphanus sativus Peter Sorensen 1976-6-8 Humboldt N Spit Comment
  CAS-BOT-BC55834  Rhamnus C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of the Van Duzen River Comment
  RSA601956  Rhamnus californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter cove. 61 Comment
  UC203996  Rhamnus californica subsp. californica Joseph P. Tracy 1918-7-5 5011 Humboldt White Thorn Valley Northern Coast anges 304 Comment
  UC249597  Rhamnus ilicifolia Joseph P. Tracy 1921-9-4 5959 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA13285  Rhamnus purshiana Doris K. Kildale 1929-5-25 8394 Humboldt Pines Pasture, Eureka. 61 Comment
  UC165824  Rhamnus purshiana Joseph P. Tracy 1908-6 2848 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC7881  Rhododendron macrophyllum L. D. Napier 1962-5-19 18 Humboldt 1 mi. E of Arcata on Fickle Hill Comment
  RSA69211  Rhododendron macrophyllum A. D. Tenney 1925-04 6020 Humboldt Arcata. Comment
  CDA38849  Rhododendron macrophyllum A. T. Leiser 1980-7-9 s.n. Humboldt North of Orick, Hwy 101 reroute, May Creek Watershed. Comment
  CAS-BOT-BC200383  Rhododendron occidentale var. paludosum Doris K. Kildale 1925-4-19 618 Humboldt Liscom Hill near Essex, Lower Mad River Comment
  CAS-BOT-BC200386  Rhododendron occidentale var. paludosum Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  UC667065  Ribes binominatum Joseph P. Tracy 1933-7-11 12696 Humboldt Grouse Mountain 1524 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
  UC70552  Ribes bracteosum J. Burtt Davy 1899-6-23 5761 Humboldt near Box Camp; North Coast Ranges, Trinity Summit Comment
  RSA0025006  Ribes divaricatum Lyman Benson 1929-7-19 1875 Humboldt Mouth of Matole [Mattole] River. Comment
  UC154154  Ribes laxiflorum Harley P. Chandler May, 1901 1171 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  CAS-BOT-BC173358  Ribes lobbii Harley P. Chandler 1901-6-1 1278 Humboldt Hupa Indian Reservation 1097 Comment
  HSC103200  Ribes marshallii Jade Paget-Seekins 2010-7-5 34 Humboldt On the trail to Mill Creek Lake, up Big Hill Road, outside of Hoopa. 1655 Comment
  HSC20309  Ribes menziesii M. L. Stuart 1965-5-6 64 Humboldt Fern Lake Dam Comment
  UC1198932  Ribes menziesii Joseph P. Tracy 1921-3-13 5421 Humboldt near Alton (Drake's Hill); Northern Coast Region 30 Comment
  UC1198934  Ribes menziesii Joseph P. Tracy 1918-5-12 4933 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC1198935  Ribes menziesii Joseph P. Tracy 1913-3-9 4021 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC552231  Ribes menziesii Joseph P. Tracy 1933-5-20 12268 Humboldt near Petrolia; North Coast Ranges, Mattole Valley 15 Comment
  RSA0021770  Ribes menziesii H. E. Parks 1933-04 4402 Humboldt McNeils Creek, vicinity of Trinidad. Comment
  UC1198933  Ribes menziesii var. menziesii Joseph P. Tracy 1924-3-30 6636 Humboldt 3 miles west of Bridgeville; Northern Coast Ranges. 228 Comment
  HSC56094  Ribes nevadense G. L. Clifton, Griswold 1979-7-31 11798 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC1193213  Ribes roezlii K. Cuff 1950-10-11 129 Humboldt 7 mi n Honeydew; Quad. 28A4 1005 Comment
  UC1193214  Ribes roezlii P. Zinke 1950-8-4 153 Humboldt 2 mi w Harris Post Office (outside national forest); Quad. 29D3 853 Comment
  UC902104  Ribes roezlii var. cruentum Joseph P. Tracy 1942-4-4 17069 Humboldt e North Fork Mad River (near summit of Trinity Highway); Bald Mountain 640 Comment
  CHSC19492  Ribes sanguineum B. D. Rogers 1965-4-1 411 Humboldt About 4 miles southeast of Arcata, along Jacoby Creek. Comment
  SBBG27512  Ribes sanguineum L. Constance, R. C. Rollins 1942-5-11 Humboldt near summit 8 mi E of Blue Lake Comment
  UC709454 Image available Ribes sanguineum Joseph P. Tracy 1941-4-8 16852 Humboldt Trinity Highway Willow Creek Canyon 762 Comment
  UC902055  Ribes sanguineum Joseph P. Tracy 1948-8-15 18133 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit 1554 Comment
  HSC34637  Ribes sanguineum var. glutinosum Robert M. Specht 1975-4-9 121 Humboldt 2.5 mi. N of Trinidad on Patricks Point Dr., W side 61 Comment
  HSC75413  Ribes viscosissimum J. O. Sawyer, M. A. Ericksen 1980-7-18 3648 Humboldt Along FS Rd. 10N02, S of Middle Fork of Mill Creek Comment
  RSA168871  Rigiopappus leptocladus Joseph P. Tracy 1950-7-6 18996 Humboldt Two miles south of Burr Valley on the Albee Road. 1159 Comment
  UC775205  Romanzoffia tracyi H. E. and S. T. Parks 1933-3-1 5269 Humboldt Spruce Cove 2 mi n of Trinidad; Spruce Cove Comment
Read comments
Jun 26 2012
  UC1199221  Rorippa curvisiliqua Joseph P. Tracy 1934-7-9 13350 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 152 Comment
  JEPS53873  Rorippa curvisiliqua Lincoln Constance 1934-5-27 691 Humboldt gravel bar of South Fork Eel River s end Dyerville Bridge; Bull Creek Region, South Fork Eel River 45 Comment
  UC492163  Rosa Joseph P. Tracy 1930-7-23 9138 Humboldt Horse Mountain Northern Coast Ranges (along streamlet) 1524 Comment
  CAS-BOT-BC146482  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt Along bank of Redwood Creek between Blue Lake and Willow Creek Comment
  HSC36578  Rosa gymnocarpa Thomas W. Nelson, James Nelson 1975-9-3 2198 Humboldt Above junction of Maple Creek-Kneeland Rd. Comment
  HSC45635  Rosa gymnocarpa Diane L. Reed 1978-4-22 32 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC98843  Rosa gymnocarpa var. serpentina Cara Witte 2007-6-12 243 Humboldt Horse Mountain Botanical Area. Along Forest Service Rd. 6N38. 1349 Comment
  HSC19634  Rosa nutkana C. G. Young 1967-7-29 8 Humboldt Eureka City Golf Course, SE side Comment
  UC12845  Rosa nutkana subsp. macdougalii J. Burtt Davy 1899-6-13 5492 Humboldt along river near Camp Grant; Eel River 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
  JEPS45643  Rosa nutkana var. nutkana Joseph P. Tracy 1923-10-6 6564 Humboldt Eureka; Northern Coast Ranges 0 Comment
  JEPS45644  Rosa nutkana var. nutkana Milo S. Baker 1923-7-15 11 Humboldt outskirts of Eureka Comment
  UC1541247  Rosa nutkana var. nutkana H. E. Parks July 1933 4698 Humboldt vicinity of Trinidad Comment
  UC667045  Rosa nutkana var. nutkana Joseph P. Tracy 1936-6-9 14886 Humboldt Bear River Ridge 609 Comment
  HSC35815  Rosa rubiginosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1921 Humboldt Above Goat Rock, 2 mi. W of Bridgeville Comment
  CAS-BOT-BC148224  Rosa spithamea Doris K. Kildale; L. B. Kildale 1930-5-24 9549 Humboldt Hoopa Valley 152 Comment
  POM182019  Rubus laciniatus F. W. Peirson 1923-7-10 3755 Humboldt Wood border opening near road about 6 miles N of Garberville. Comment
  CAS-BOT-BC148388  Rubus leucodermis L. R. Abrams 1918-6-16 7144 Humboldt Willow Creek Comment
  HSC59138  Rubus parviflorus Terry Roth 1979-5-20 62 Humboldt Along old logging road that follows Jolly Giant Creek. 79 Comment
  HSC81965  Rubus parviflorus Thomas W. Nelson, Jane P. Nelson 1979-7-3 4944 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  HSC19683  Rubus spectabilis D. E. Anderson 1962-3-31 1961 Humboldt Old Hwy. 101, E side of Freshwater Lagoon Comment
  JEPS44771  Rubus spectabilis Joseph P. Tracy 1923-4-15 6192 Humboldt at Berry's Northern Coast Ranges, Redwood Creek (Redwood Creek) 274 Comment
  CAS-BOT-BC158793  Rubus ursinus Kenneth Clark 1980-6-14 683 Humboldt Upper alluvial terrace of north fork Dead Man's Gulch, Shelter Cove 106 Comment
  HSC56448  Rudbeckia klamathensis Griswold, Butler 1979-7-12 7201 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  RSA167402  Rudbeckia occidentalis Joseph P. Tracy 1948-9-12 18204 Humboldt Box Camp; Trinity Summit. 1463 Comment
  HSC44539  Rumex acetosella Brad Klipfel 1973-7-15 155 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC59582  Rumex acetosella Rick Lundquist 1979-4-24 34 Humboldt SE corner 7th and Union St., Arcata 24 Comment
  RSA256728  Rumex acetosella Linda M. Barker 1974-5-11 171 Humboldt Redwood National Park, Bald Hills road. 549 Comment
  SEINET10479364  Rumex acetosella Mary Susan Taylor 1977-8-2 Taylor 1424 Humboldt In mountains above and east of Eureka. Comment
  HSC73636  Rumex californicus M. A. Baker 1980-7-22 3128 Humboldt Near Grogan Hole. 1676 Comment
  HSC78986  Rumex crispus L. P. Janeway 1984-5-16 802 Humboldt N Spit of Humboldt Bay, on the W side of Samoa Road ca. 1/4 mi. NW of the boat ramp 3 Comment
  SEINET200757  Rumex crispus Joseph P. Tracy 1908-7-30 2806 Humboldt Valley of Van Duzen River, opposite Buck Mountain. 300 Comment
  UC1225779  Rumex occidentalis Joseph P. Tracy 1948-9-12 18208 Humboldt Box Camp Trinity Summit 1463 Comment
  HSC38433  Rumex pulcher J. P. Smith 1976-10-30 8998 Humboldt Mad River, E of Essex Lane exit. Comment
  UC296201  Ruppia maritima H. E. Parks 1757 Humboldt Little River Lagoon Comment
  HSC62891  Salicornia depressa J. M. DiTomaso 1979-5-20 1066 Humboldt Eureka Bay 3 mi. SW of Arcata on Samoa Rd. Comment
  CAS-BOT-BC129887  Salix bonplandiana Mrs. H. P. Bracelin 1931-5-1 270 Humboldt Sylvandale, between Miranda and Meyers, South Fork of Eel River Comment
  CAS-BOT-BC103806  Salix exigua L. R. Abrams 1916-7-11 6057 Humboldt mouth of Grizzly Creek on Van Duzen River in Redwood Forest Comment
  CAS-BOT-BC103809  Salix exigua Joseph P. Tracy 1932-4-17 9798 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC103817  Salix exigua Harold E. Parks; Joseph P. Tracy 1931-5-17 0967 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  UC490573  Salix exigua Joseph P. Tracy 1932-7-31 10295 Humboldt mouth of Larrabee Creek Eel R.; Northern Coast Ranges 60 Comment
  UC481304  Salix exigua var. hindsiana Harold E. Parks and Joseph P. Tracy 1931-5-17 971 Humboldt mouth of Willow Creek at Trinity R. 150 Comment
  UC512027  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1331 Humboldt near bridge on Trinity Hwy. (in ... channel of Trinity R.) 152 Comment
  CAS-BOT-BC107708  Salix hookeriana Harold E. Parks 1931-3-24 912 Humboldt Fortuna, on banks of Eel River 10 Comment
  CAS-BOT-BC107739  Salix hookeriana Joseph P. Tracy 1925-10-11 7280 Humboldt Near Loren Frost place on Kneeland Road - Kneeland Prairie 609 Comment
  CHSC9658  Salix hookeriana E. L. Smith 1971-8-17 1028 Humboldt Between highway and beach at Trinidad. Comment
  JEPS12915  Salix hookeriana Joseph P. Tracy 1927-5-1 7953 Humboldt sandunes near Samoa; Northern Coast Region, on Humboldt Bay 6 Comment
  JEPS12961  Salix hookeriana Joseph P. Tracy 1931-8-23 9622 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC1225928  Salix hookeriana Joseph P. Tracy 1947-2-23 17668 Humboldt Bridgeville Van Duzen River (along river) 198 Comment
  UC469128  Salix hookeriana Joseph P. Tracy 1931-4-4 9330 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC470421  Salix hookeriana Joseph P. Tracy 1931-9-19 9678 Humboldt Van Duzen R. at Alton; Northern Coast Ranges, , Van Duzen R. 30 Comment
  UC481271  Salix hookeriana Harold E. Parks 1931-5-28 1018 Humboldt Little River Lagoon Comment
  UC481378  Salix hookeriana Harold E. Parks and J. P. Tracy 1931-3-26 904 Humboldt on Van Duzen River Alton; Van Duzen River 15 Comment
  UC512085  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1221 Humboldt 1 mi n Samoa (in pine barrens near the coast) Comment
  UC512094  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1215 Humboldt 1 mi n Samoa (pine barrens near coast) Comment
  UC519325  Salix hookeriana Joseph P. Tracy 1933-10-8 13089 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges 91 Comment
  UC519342  Salix hookeriana Joseph P. Tracy 1933-10-8 13087 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  UC709425  Salix hookeriana Joseph P. Tracy 1941-3-9 16801 Humboldt along Eel R. Camp Grant; Eel R. 48 Comment
  UCD111022  Salix hookeriana Carleton R. Ball; Harold E. Parks and Joseph P. Tracey 1932-5-11 01210 b Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad. Comment
  UCD111025  Salix hookeriana Carleton R. Ball; Harold E. Parks and Joseph P. Tracey 1932-5-13 01251 Humboldt Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road. Comment
  UC519387  Salix laevigata Joseph P. Tracy 1933-6-9 12528 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  CAS-BOT-BC125215  Salix lasiandra var. lasiandra W. J. Ferlatte 1967-6-13 1115 Humboldt Samoa Penn 3 Comment
  CAS-BOT-BC125228  Salix lasiandra var. lasiandra Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01206 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad, elevation approximately sea level Comment
  CAS-BOT-BC107576  Salix lasiolepis Joseph P. Tracy 1934-3-25 13166 Humboldt Blue Slide, on Van Duzen River 91 Comment
  CAS-BOT-BC107579  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-12 1233 Humboldt Floodplain of the Van Duzen River, 1 1/2 miles east of Alton 30 Comment
  CAS-BOT-BC107581  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-13 1255 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC107600  Salix lasiolepis Joseph P. Tracy 1933-3-19 10931 Humboldt Blue Slide, on Van Duzen River 91 Comment
  HSC43415  Salix lasiolepis R. Sutherland 1978-2-18 2 .18278 Humboldt S side mouth of Mattole River 11 Comment
  HSC55627  Salix lasiolepis Overton, Butler 1979-7-24 9609 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  JEPS12916  Salix lasiolepis Joseph P. Tracy 1927-5-13 7996 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12931  Salix lasiolepis Joseph P. Tracy 1931-5-31 9328 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS12949  Salix lasiolepis Joseph P. Tracy 1932-3-6 9775 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  LA208777  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1933-3-19 11005 Humboldt Van Duzen River, 2 mi. W of Bridgeville 228 Comment
  POM161056  Salix lasiolepis Joseph P. Tracy 1926-9-19 7804 Humboldt Valley of S Yager Creek 762 Comment
  UC1173596  Salix lasiolepis Joseph P. Tracy 1936-10-17 15200 Humboldt Blue Slide, on Van Duzen River 91 Comment
  UC469428  Salix lasiolepis Joseph P. Tracy 1931-9-7 9629 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469433  Salix lasiolepis Joseph P. Tracy 1931-10-3 9707 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC470408  Salix lasiolepis Joseph P. Tracy 1931-9-19 9675 Humboldt Alton Northern Coast Region 30 Comment
  UC471110  Salix lasiolepis Joseph P. Tracy 1931-3-31 9327 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC490471  Salix lasiolepis Joseph P. Tracy 1932-9-5 10770 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 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
  UC504022  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
  UC511980  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1247 Humboldt Van Duzen R. at Blue Slide; Van Duzen R., Blue Slide 91 Comment
  UC512041  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1322 Humboldt Redwood Creek, at Berry's, on Trinity Highway Comment
  UC512113  Salix lasiolepis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1203 Humboldt 4 1/2 mi. s. Trinidad (Little R. Lagoon); Little R. Lagoon Comment
  CAS-BOT-BC125615  Salix melanopsis Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-13 01252 Humboldt On floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  HSC20064  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 967 Humboldt Humboldt/Trinity Cos., below Willow Creek 152 Comment
  LA208934  Salix melanopsis Harold E. Parks; 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta 15.0 Comment
  SBBG29038  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  SJSU181  Salix melanopsis H. E. Parks 1931-5-14 965 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  UC1196639  Salix melanopsis Joseph P. Tracy 1932-8-27 10756 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC481297  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 967 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC519360  Salix melanopsis Joseph P. Tracy 1933-6-7 12512 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC519362  Salix melanopsis Joseph P. Tracy 1933-6-7 12515 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC55408  Salix melanopsis Harley P. Chandler June, 1901 1519 Humboldt North Coast Ranges, Klamath R. 426 Comment
  UCR143008  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 0967 Humboldt North Coast, mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC129207  Salix piperi Doris K. Kildale 1927-5-15 3291 Humboldt Mattole River Valley Comment
  HSC20091  Salix scouleriana H. E. Parks Feb 1933 1151 Humboldt Spruce Cove, Trinidad Comment
  HSC96596  Salix scouleriana Gordon Leppig 2003-2-22 1814 Humboldt Eureka Slough, NE corner of log pond 3 Comment
  UC1193085  Salix scouleriana G. W. Tourtillott 1950-8-30 29 Humboldt 1/4 mi. e. Belae Ranch; Quad. 29C4 457 Comment
  UC470447  Salix scouleriana Joseph P. Tracy Jul 16 1930-Jul 19 1930 9095 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  UC490530  Salix scouleriana Joseph P. Tracy 1932-7-13 10507 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC38184  Salix sitchensis Thomas W. Nelson, James Nelson 1976-3-5 3282 Humboldt Along S fork of Martins Slough just upstream from Eureka Muni Golf Course Comment
  JEPS38498  Salix sitchensis Milo S. Baker 1923-7-23 89 Humboldt Manning Creek Comment
  POM161040  Salix sitchensis Joseph P. Tracy 1926-12-5 7833 Humboldt Blue Slide on van Duzen River. 91 Comment
  POM219568  Salix sitchensis H. E. Parks 1931-3-24 910 Humboldt Trinidad. 90 Comment
  UC1225919  Salix sitchensis Joseph P. Tracy 1942-7-26 17295 Humboldt near the Redwood House S. Yager Creek 609 Comment
  RSA114994  Sambucus callicarpa E. K. Balls, L. W. Lenz 1955-5-15 20735 Humboldt 7.7 miles southwest from Ferndale along Old Coast Road to Capetown 518 Comment
  UC168949  Sambucus mexicana Joseph P. Tracy 1911-7-9 3465 Humboldt near mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC602515  Sambucus mexicana Joseph P. Tracy 1930-7-19 9088 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC44536  Sambucus nigra subsp. caerulea Brad Klipfel 1973-7-1 144 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CDA42178  Sambucus racemosa Bell 1945-7-14 s.n. Humboldt Highway #54. 0 Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  UC1199041  Sanguisorba officinalis subsp. microcephala Joseph P. Tracy 1938-9-25 16167 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  HSC89430  Sanicula arctopoides P. A. Daly 1984-5-8 9 Humboldt Trinidad Head. 61 Comment
  UC154052  Sanicula arctopoides J. P. Tracy 1900-6-5 852 Humboldt immediate vicinity of Eureka (at Bucksport); Bucksport 0 Comment
  UCR39788  Sanicula arctopoides Kenneth Clark 1981-5-24 1392 Humboldt North Coast, Abalone Point, 'Point Delgada Q. 15 Comment
  HSC86898  Sanicula arctopoides Anthony J. Desch, Bryon Cariss 1988-4-21 61 Humboldt 0.4 mi. N of W end of Samoa Bridge Comment
  HSC71058  Sanicula bipinnatifida Thomas W. Nelson, Jane P. Nelson 1977-5-30 3392 Humboldt McKeown Ranch. Along road to Anderson's Ford. 854 Comment
  HSC39444  Sanicula crassicaulis Linda M. Barker 1976-6-1 1540 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. 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
  UC1022532  Sanicula crassicaulis C. Ritchie Bell 1952-5-3 3 X452 Humboldt 4.4 mi e of Bridgeville (below road) Comment
  UC1022533  Sanicula crassicaulis C. Ritchie Bell 1952-5-3 1326 Humboldt near Cobbs (along Mad River); Mad River Comment
  HSC102543  Sanicula graveolens M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1529 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 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
  HSC82105  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5260 Humboldt Along road from Dinsmore to Anderson Crossing- McKeown Ranch Rd.- 0.5 mi. NW of McKeown house 823 Comment
  UC1222813  Sanicula tracyi Joseph P. Tracy 1950-7-6 19022 Humboldt 3 mi s Burr Valley (Sproston's Place) Comment
  RSA43855  Saponaria officinalis H. M. Pollard 1948-7-26 s.n. Humboldt Banks of Klamath River near Orleans. Comment
  HSC32275  Sarcodes sanguinea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5629 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  UC1198890  Saxifraga integrifolia Joseph P. Tracy 1922-4-30 6000 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  OBI9752  Saxifraga mertensiana Carl B. Wolf 1941-3-2 9991 Humboldt N Coast Range, 2 mi S of Honeydew along Honeydew crk 152 Comment
  RSA114993  Saxifraga mertensiana E. K. Balls, L. W. Lenz 1955-5-15 20733 Humboldt 6.4 miles SW of Willow Creek along US Hwy 299 to Arcata. 457 Comment
  RSA30643  Saxifraga mertensiana Lincoln Constance, Reed C. Rollins 1942-5-11 2869 Humboldt 3 miles W of East Fork of Willow Creek. Comment
  UC249630  Saxifraga mertensiana Joseph P. Tracy 1922-4-30 6009 Humboldt mouth of South Fork Trinity River; Northern Coast Ranges, South Fork Trinity River 152 Comment
  CAS-BOT-BC441184  Saxifraga mertensiana Doris K. Kildale 1927-3-20 2930 Humboldt Philipsville. South fork of Eel River Comment
  POM290747  Schoenoplectus pungens Lyman Benson 1928-7-10 436 Humboldt Clam Beach, Trinidad. 9 Comment
  CAS-BOT-BC111704  Schoenoplectus pungens var. badius Doris K. Kildale 1927-6-25 3550 Humboldt Shelter Cove, coastal Comment
  CDA39134  Scirpus koilolepis Gordon Leppig 1999-10-3 1257 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  SBBG88776  Scirpus microcarpus A. Keedy 1988-9-28 14 Humboldt Alder Grove Rd near Hwy 299, N of Arcata Comment
  UC668009  Scirpus microcarpus Joseph P. Tracy 1933-7-25 12860 Humboldt Grouse Mountain 1524 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
  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
  CDA39390  Scoliopus bigelovii Q. L. Holdeman 1963-2-2 s.n. Humboldt West side of Highway 101, just north of Redcrest. 0 Comment
  UC275519  Scoliopus bigelovii Joseph P. Tracy 1924-3-9 6615 Humboldt Lawrence Creek near Kneeland Prairie; Northern Coast Ranges, Lawrence Creek 609 Comment
  BLMAR679  Scrophularia californica Jennifer Wheeler 2013-7-17 679 Humboldt King range, Mattole Beach parking lot 6 Comment
  HSC21131  Scrophularia californica A. E. Inman 1962-5-25 Humboldt Mad River, Lindsey Creek junction, 100 yards W of Lindsey Creek Comment
  UC577323  Scutellaria antirrhinoides Joseph P. Tracy 1930-6-15 8763 Humboldt Dobbyn Creek 152 Comment
  BLMAR588  Scutellaria antirrhinoides Jennifer Wheeler 2010-7-13 588 Humboldt King range, Panther Gap Road 792 Comment
  UC1225840  Scutellaria antirrhinoides Joseph P. Tracy 1942-6-15 17167 Humboldt 5 mi n of Garberville 152 Comment
  HSC79342  Sedum laxum subsp. flavidum D. K. Imper 1983-6-15 Humboldt Along Hwy. 299 S of Hwy, adjacent to swimming hole Comment
  UC667081  Sedum laxum subsp. heckneri Joseph P. Tracy 1935-7-30 14363 Humboldt Salmon Summit 1767 Comment
  CAS-BOT-BC63792  Sedum radiatum subsp. radiatum Reid Moran 1951-6-13 3485 Humboldt West slope of Buck Mountain 853 Comment
  UC1198830  Sedum spathulifolium Joseph P. Tracy 1926-7-25 7747 Humboldt on rocks at point called Devil's Canyon Northern Coast Region, , Devil's Canyon (Big Lagoon) 152 Comment
  HSC28237  Sedum spathulifolium var. pruinosum Clifton Raymond Chesbrough 1973-6-19 100 Humboldt 0.5 mi. N of College Cove along coast 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
  UC1223022  Senecio glomeratus Joseph P. Tracy 1950-9-10 19360 Humboldt 1 mi n Capetown; Bear River Ridge 304 Comment
  HSC57419  Senecio integerrimus G. L. Clifton, Griswold 1979-7-26 10182 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC72692  Senecio integerrimus var. major Gail Newton 1980-6-24 562 Humboldt Near Ladder Rock 1570 Comment
  UC1223048  Senecio integerrimus var. major Joseph P. Tracy 1946-5-19 17537 Humboldt Kneeland Prairie 762 Comment
  HSC97105  Senecio integerrimus var. major Yun Chan, Renee Meyer, Sophary Yun 2007-6-4 3 Humboldt 7.4 mi. S of Hwy. 299 on NF1, Coldspring Camp 1372 Comment
  SJSU8451  Senecio minimus H. T. Harvey 1977-8-8 620 Humboldt delta lands of Eel R c. 4 mi NW of Ferndale Comment
  UC1223151  Senecio sylvaticus Joseph P. Tracy 1949-8-11 18467 Humboldt 2 to 6 mi s from Grouse Mt. (s of crossing of electric power line, e of headwaters of Redwood Creek); Kinsey Ridge 1280 Comment
  HSC103247  Senecio sylvaticus Jenny Moore, Tom Carlberg 2014-9-2 Humboldt Six Rivers National Forest, Denny Quad, Grizzly Camp Trailhead. 1409 Comment
  UC581749  Senecio triangularis Joseph P. Tracy 1933-7-25 12851 Humboldt Grouse Mountain , Grouse Mountain (North Coast Ranges) 1524 Comment
  UC963844  Senecio vulgaris H. E. Parks and S. T. Parks June 1943 24234 Humboldt Spruce Cove North Coast Ranges, , Spruce Cove (Trinidad) 60 Comment
  CAS-BOT-BC85846  Sequoia sempervirens Ronald J. Mastrogiuseppe 1966-1-16 s.n. Humboldt Along State Route 299 from Arcata to Redding, Domonstration Forest, Simpson Timber Company. 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
  CDA13777  Setaria parviflora P. Haggard 1997-12-12 s.n. Humboldt North Coast Ranges; East of Arcata on North Bank Rd. above Mad River immed. E of Azalea Reserve. Stand approx. 25' in length, growing in recently disturbed area. Perennial. 0 Comment
  JEPS12650  Sherardia arvensis Joseph P. Tracy 1935-5-25 13883 Humboldt Dobbyn Creek 152 Comment
  RSA33405  Sidalcea malachroides Doris K. Kildale 1927-7-2 s.n. Humboldt Lord (?) Ellis Road, near Korbel Comment
  UC1197961  Sidalcea malachroides Joseph P. Tracy 1937-7-30 15566 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  UC35225  Sidalcea malachroides Chestnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  UC668138  Sidalcea malachroides Joseph P. Tracy 1938-6-15 15938 Humboldt vicinity Carlotta; vicinity of Carlotta 30 Comment
  HSC73172  Sidalcea malviflora M. A. Baker 1980-5-18 1350 Humboldt Near Black Mtn. 792 Comment
  UC1197977  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1930-7-23 9124 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC176968  Sidalcea malviflora subsp. patula Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3598 Humboldt near Hydesville; Northern Coast Region, near Hydesville 30 Comment
  HSC36520  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1973-7-5 96 Humboldt 1 mi. W of Tish A Tang Cr., E of Hoopa, SW slope of N Trinity Mtn. Comment
  UC146134 Image available Sidalcea oregana subsp. eximia Joseph P. Tracy 1907-6-25 2578 Humboldt valley of Elk River Northern Coast Region, region about Humboldt Bay 0 Comment
  HSC103772  Silene bolanderi M. R. Mesler 2014-6-4 1634 Humboldt Burr Valley Road near Dinsmore 1012 Comment
  HSC103773  Silene bolanderi M. R. Mesler 2014-6-4 1635 Humboldt Burr Valley Road near Dinsmore 1049 Comment
  HSC103774  Silene bolanderi M. R. Mesler 2014-6-4 1636 Humboldt Burr Valley Road near Dinsmore 1117 Comment
  UC1198353  Silene californica Joseph P. Tracy 1938-7-7 16040 1/2 Humboldt Grouse Mountain 1524 Comment
  UC852804  Silene californica Elizabeth Parsons Hawver Jun 1905-June 1915 Humboldt Carlotta Comment
  POM192570  Silene californica H. E. Parks 1930-05 0751 Humboldt Vicinity of Hydesville. Comment
  UC1198352  Silene campanulata Joseph P. Tracy 1947-7-9 17852 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1432 Comment
  UCD98626  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC102545  Silene grayi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1535 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  RSA275316  Silene hookeri J. P. Smith, John Sawyer, Jane Cole 1978-5-21 9932 Humboldt Six Rivers National Forest. Along Ishi Pishi Road, 1.5 miles from Ishi Pishi Bridge over the Klamath River. 305 Comment
  UC13555  Silene hookeri W. C. Blasdale 1896-6-8 Humboldt Grahams Grahames ((Grahames?)) Comment
  CAS-BOT-BC389057  Silene laciniata subsp. californica Carl B. Wolf 1927-8-29 1196 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge--Mt. Glen Comment
  HSC4175  Silene laciniata subsp. californica Lincoln Constance 1934-6-1 770 Humboldt S Fork Eel River, Bull Creek Rd. between Dyerville Bridge and Bull Creek Flat Grove. 46 Comment
  UC184692  Sisymbrium altissimum Joseph P. Tracy 1912-8-3 3975 Humboldt in Valley of Van Duzen River (opposite Buck Mountain, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  HSC49925  Sisyrinchium bellum Maralyn O'Meara 1974-7-11 539 Humboldt Kneeland, Barry Ridge along private road Comment
  RSA246759  Sisyrinchium bellum Robert F. Thorne, Percy C. Everett 1965-8-9 35302 Humboldt Big Lagoon. 3 Comment
  UC1051527  Sisyrinchium bellum Helen K. Sharsmith 1953-6-28 4384 Humboldt between Bell Springs and Blue Rock Ranch (on Bell Springs Road); Inner North Coast Ranges 853 Comment
  HSC62981  Sisyrinchium californicum David Wheeler 1979-5-22 129 Humboldt Samoa, intersection of Samoa Blvd. and the railroad tracks near Arcata Redwood Co. Comment
  RSA47125  Solidago canadensis subsp. elongata Doris K. Kildale 1928-8-17 1211 Humboldt Trinity Summit 1829 Comment
  CAS-BOT-BC365444  Solidago elongata L. R. Abrams 1927-9-1 12064 Humboldt Stone Lagoon Comment
  HSC58093  Solidago elongata G. L. Clifton, Griswold 1979-8-1 12006 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  UC198623  Solidago elongata Joseph P. Tracy 1917-9-1 4835 Humboldt Murphy meadow Northern Coast Ranges, , Murphy meadow (Bald Mountain) 1066 Comment
  CAS-BOT-BC365671  Solidago spathulata Harley P. Chandler 1901-5-1 1203 Humboldt North Coast Ranges. Humboldt Bay 30 Comment
  RSA254746  Solidago spathulata Thomas W. Nelson 1971-11-11 598 Humboldt At the foot of Murray Road, McKinleyville. Comment
  SD38301  Solidago spathulata Edith A. Purer 1932-7-30 4673 Humboldt South of Orick Comment
  UC1199319  Solidago spathulata J. P. Tracy 1900-7-4 885 Humboldt opposite Eureka (Samoa); Samoa Comment
  UC1541619  Solidago velutina subsp. californica H. E. and S. T. Parks 1937-9-1 24081 Humboldt Trinidad , Trinidad (Spruce Cove) 64 Comment
  HSC32524  Soliva sessilis David Johnson 1974-5-2 74 Humboldt Mad River Co. Park, mouth of the Mad River; by the parking lot Comment
  CHSC31290  Sonchus asper Mark Stopher 1980-6-4 96 Humboldt Along Elk River near Hwy 101 bridge. 1 Comment
  CAS-BOT-BC374429  Sonchus asper Huron H. Smith 1911-1-1 3785 Humboldt Unspecified Comment
  HSC23255  Sparaxis tricolor Jana Kattenhorn 1971-4-7 214 Humboldt Around HSU campus, Arcata Comment
  RSA244508  Sparganium angustifolium subsp. emersum Larry E. DeBuhr, Gary D. Wallace 1973-9-16 1198 Humboldt At Gold Bluff Beach in Prairie Creek Redwoods State Park. Comment
  UC750491  Sparganium emersum var. emersum Henry M. Pollard 1946-8-13 Humboldt near Harley Place (Orleans Region); Orleans Region Comment
  CAS-BOT-BC235372  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
  SBBG89225  Spartina foliosa A. Keedy 1988-9-18 8 Humboldt Jolly Giant Crk {near mouth}; Arcata Salt Marsh Comment
  HSC48419  Spartium junceum J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9923 Humboldt Hwy. 36 at Camp Creek Rd. 76 Comment
  HSC4238  Spergula arvensis H. E. Parks May 1932 Humboldt Vicinity of Trinidad Comment
  HSC4241  Spergula arvensis S. R. Johnson 1965-3-14 2 Humboldt 1.5 mi N of Luffenholtz Beach Comment
  HSC37993  Spergularia rubra Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay 1 Comment
  HSC49824  Spergularia salina R. York 1979-4-16 238 Humboldt E of the Emerson Mill along Samoa Blvd. Comment
  UC13088  Spiraea douglasii Harley P. Chandler May 1901 1197 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  HSC41270  Spiraea splendens var. splendens Brad Klipfel 1974-6-25 413 Humboldt Horse Mtn. Comment
  HSC27782  Spiranthes romanzoffiana J. D. Ackerman, A. Montalvo 1973-7-30 112 Humboldt Hwy. 101 between Arcata and Eureka, at Indianola Cutoff 3 Comment
  UC666998  Spiranthes romanzoffiana Joseph P. Tracy 1930-6-15 8766 1/2 Humboldt summit of ridge between Dobbyn Creek and Alder Point (near Alder Point) Comment
  UC577329  Stachys ajugoides var. ajugoides W. E. Peacock 1936-8-1 Humboldt Arcata Bottom Arcata 9 Comment
  UC630639  Stachys ajugoides var. ajugoides Joseph P. Tracy 1939-6-23 16312 Humboldt Park's garden Trinidad 3 Comment
  UC1222861  Stachys ajugoides var. rigida Joseph P. Tracy 1950-6-8 18741 Humboldt near Petrolia (hills between town and Ocean); Bear River 30 Comment
  UC162688  Stachys ajugoides var. rigida Joseph P. Tracy 1911-7-11 3515 Humboldt hills along Supply Creek Northern Coast Ranges, Hoopa Valley 182 Comment
  UCLA71140  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-15 15937 Humboldt vicinity Carlotta 30 Comment
  HSC59567  Stachys arvensis Rick Lundquist 1979-4-9 5 Humboldt Arcata, St. Louis Rd., .1 mi. N of Hwy. 101 overpass 15 Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  POM283271  Stachys bullata Lyman Benson 1928-7-10 s.n. Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  HSC14421  Stachys rigida J. F. Knezevich 1968-5-14 436 Humboldt 13 mi. S of Ferndale at Cape Mendocino 0 Comment
  UC162363  Stellaria crispa Joseph P. Tracy 1900-8-5 914 Humboldt Eureka; Northern Coast Region 0 Comment
  UCD99372  Stellaria media Linda M. Barker 1976-4-30 1396 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC40608  Stipa lemmonii Thomas W. Nelson 1976-6-14 2702 Humboldt S of Lassic Peak (Signal Peak) 1646 Comment
  HSC73047  Stipa occidentalis var. californica M. A. Baker 1980-7-15 2943 Humboldt Near Whiting Ridge. 1341 Comment
  CAS-BOT-BC87618  Streptanthus tortuosus Volney Rattan 1878-1-1 s.n. Humboldt Unpsecified. Comment
  HSC102604  Streptanthus tortuosus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1591 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC673194  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-12 2880 Humboldt bluffs at mouth of creek 6 mi ne Weitchpec; Klamath-Siskiyou Region, Bluff Creek 152 Comment
  HSC57215  Streptanthus tortuosus var. tortuosus Terry Griswold, Marvin Butler 1979-7-12 7277 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC102058  Streptopus amplexifolius M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 963 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  HSC58336  Streptopus amplexifolius Overton, Butler 1979-8-2 12644 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  BLMAR248  Symphoricarpos mollis Jennifer Anthony-Wheeler 1997-7-24 248 Humboldt Lacks Creek, growing beneath conifer canopy 1219 Comment
  HSC58035  Symphoricarpos mollis G. L. Clifton 1979-7-31 11870 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1199308  Symphyotrichum hendersonii Joseph P. Tracy 1935-7-27 14277 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC26305  Synthyris cordata Thomas W. Nelson 1971-4-24 403 Humboldt Adjacent to E Fork of Willow Creek Comment
  JEPS26388  Synthyris reniformis Joseph P. Tracy 1941-4-8 16810 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 609 Comment
  UC582543  Synthyris reniformis Joseph P. Tracy 1923-3-10 6152 Humboldt Van Duzen River, near Grizzly Creek; Van Duzen River 91 Comment
  HSC6245  Tanacetum bipinnatum Francis Winter 1960-5-6 Humboldt Mouth of Mad River, N of Arcata Comment
  CAS-BOT-BC376719  Tanacetum bipinnatum John Thomas Howell; Gordon H. True; Lewis S. Rose 1972-6-5 48817 Humboldt Samoa Comment
  HSC6251  Tanacetum bipinnatum Jerry Parker 1968-9-24 72 Humboldt Clam Beach, 1/4 mi. S of Strawberry Creek Comment
  RSA89773  Tanacetum camphoratum P. A. Munz 1954-7-25 19869 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  UCSB25217  Tanacetum douglasii J. R. Haller 1967-6-17 2181 Humboldt collected 10.0 mi N, at Clam Beach County Park, along U S Highway 101 Arcata - Clam Beach County Park, U S Highway 101, and Arcata Comment
  SEINET11800644  Tanacetum parthenium J. P. Tracy 1946-1 17659 Humboldt Eureka, Tracy's garden Comment
  CAS-BOT-BC376832  Tanacetum vulgare Carl B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, So. side along Redwood Highway 6 Comment
  SBBG65852  Tanacetum vulgare R. Hartwell 1938-8-9 Humboldt near Eureka Comment
  SBBG65853  Tanacetum vulgare R. Hartwell 1938-8-4 Humboldt near Ferndale Comment
  RSA167403  Taraxacum officinale Joseph P. Tracy 1948-5-15 s.n. Humboldt Trinity River at Willow creek Comment
  UC1196935  Taraxia ovata Joseph P. Tracy 1946-5-30 17545 Humboldt flat by old Strong's District School House (5 mi e of Carlotta) 60 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
  HSC21572  Tauschia kelloggii Francis Winter 1960-4-24 Humboldt Hog Ranch Ridge, 8 mi. NW of Hoopa Indian Reservation 610 Comment
  UC275507  Taxus brevifolia Joseph P. Tracy 1924-9-7 6862 Humboldt Grizzly Creek on the Van Duzen River Northern Coast Ranges, Van Duzen River, Grizzly Creek (shady places on river bottoms) 91 Comment
  HSC99434  Tellima grandiflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 83 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC495727  Thermopsis gracilis Joseph P. Tracy 1927-5-15 8045 Humboldt between Hoopa and Willow Camp; Sugar Bowl Mt. 457 Comment
  NY185794  Thlaspi californicum V. Rattan 06 1882 s.n. 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
  UC1541645  Thuja plicata Harold E. Parks 1932-7-25 1139 Humboldt Trinidad, Camp Twenty One Trinidad; , Camp Twenty One 152 Comment
  OBI33243  Tiarella trifoliata var. unifoliata David J. Keil 1983-7-1 17257 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  SDSU9572  Tiarella trifoliata var. unifoliata D. F. Howe 1961-7-31 3097 Humboldt 12 miles N of Garberville on #101. 30 Comment
  UC180222  Tofieldia occidentalis subsp. occidentalis Joseph P. Tracy 1914-9-6 4606 Humboldt near Seidell Ranch (peat bog); Bald Mountain, between High Prairie and Snow Camp Comment
  UC1224693  Tolmiea diplomenziesii D. E. Anderson and B. D. Rogers 1964-5-1 1564 Humboldt n of Humboldt State College campus (Jolly Giant creek) Comment
  HSC34707  Torilis arvensis Thomas W. Nelson 1974-7-20 1698 Humboldt McKeown Ranch N of Dinsmore Comment
  JEPS14238  Torilis nodosa Joseph P. Tracy 1927-6-18 8183 Humboldt near Petrolia (Hills between Petolia and Ocean) 152 Comment
  JEPS63913  Toxicodendron diversilobum W. L. Jepson 1932-8-1 16469 Humboldt Bull Creek 121 Comment
  JEPS63914  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16430 Humboldt on way to Bull Creek Dyerville Comment
  JEPS63915  Toxicodendron diversilobum W. L. Jepson 1932-7-27 16429 Humboldt on rd. to Bull Creek Dyerville Comment
  UC1199328  Tracyina rostrata Joseph P. Tracy 1938-6-9 15975 Humboldt about 1 mi sw Alder Point (town) 304 Comment
  UC1225747  Trautvetteria caroliniensis var. occidentalis Joseph P. Tracy 1948-9-5 18169 Humboldt Trinity Summit Range, at Happy Camp Mountain Happy Camp Mountain; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  CAS-BOT-BC517421  Triantha occidentalis subsp. occidentalis Joseph P. Tracy 1914-9-6 4606 Humboldt Northern Coast Ranges, Bald Mountain between High Prairie and Snow Camp, near Seidell Ranch 1219 Comment
  UC175495  Trichostema oblongum Joseph P. Tracy 1912-7-31 3945 Humboldt Buck Mountain, near the summit Northern Coast Ranges 1676 Comment
  HSC32879  Trientalis latifolia Thomas W. Nelson, James Nelson 1973-5-28 933 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC68322  Trientalis latifolia J. P. Smith 1973-5-26 6857 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC70781  Trientalis latifolia Gail Newton 1980-7-14 1515 Humboldt Near Deadman Ridge 1097 Comment
  HSC97593  Trientalis latifolia Steven Lee 2004-4-26 27 Humboldt E several mi. from Arcata on Jacoby Creek Rd. Comment
  UC16600  Trifolium albopurpureum var. albopurpureum Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5374 Humboldt Harris Comment
  UC162776  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1908-6 2854 Humboldt opposite Buck Mtn (valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC495666  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-5-14 8007 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC495669  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1932-5-1 9894 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  UC1197247  Trifolium albopurpureum var. dichotomum H. E. Parks and Joseph P. Tracy 1932-5-12 9987 Humboldt near Alton (Van Dugen river bar); Northern Coast Ranges Comment
  BLMAR385  Trifolium angustifolium Jennifer Anthony-Wheeler 2004-6-28 385 Humboldt King range, Mouth of Mattole River, along road in willow thickets 36 Comment
  HSC71168  Trifolium bifidum Thomas W. Nelson 1977-5-30 3414 Humboldt Base of Eight Mile Ridge upstream from Anderson's Ford. 701 Comment
  SEINET6934848  Trifolium bifidum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  UC249524  Trifolium bifidum var. bifidum Joseph P. Tracy 1922-4-30 5992 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1197200  Trifolium ciliolatum Joseph P. Tracy 1914-5-14 4455 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC169347  Trifolium ciliolatum Joseph P. Tracy 1912-7-4 3720 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  HSC102625  Trifolium cyathiferum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1611 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC1223479  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1948-5-31 17985 Humboldt 1/2 mi ne Garberville (bench) Comment
  RSA510999  Trifolium dubium Robert F. Thorne, Percy C. Everett, K. Thorne 35246 Humboldt N edge of Eureka, E of Hwy. 101. 5 Comment
  UC16712  Trifolium eriocephalum var. eriocephalum J. Burtt Davy 1899-6-7 5385 Humboldt near Harris; Northern Coast Ranges Comment
  UC495649  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-29 8821 Humboldt nw slope Buck Mtn (lower foothills); Northern Coast Ranges Comment
  UC594253  Trifolium eriocephalum var. eriocephalum S. K. Harris, J. P. Tracy, and H. S. Yates 1936-6-17 3412 Humboldt Burr Valley Buck Mtn 1036 Comment
  HSC28171  Trifolium fragiferum Thomas W. Nelson 1973-7-24 1099 Humboldt Flood plain of the Mad River at the Carson R.R. bridge Comment
  UC1223458  Trifolium fucatum Joseph P. Tracy 1938-6-17 15950 Humboldt s Cape Ridge (near ocean); Cape Mendocino Comment
  RSA168897  Trifolium fucatum var. fucatum Joseph P. Tracy 1938-6-17 15950 Humboldt Cape Mendocino, near ocean shore, south of point of the Cape. Comment
  UC1152149  Trifolium hybridum Joseph P. Tracy 1938-6-15 15926 Humboldt 2 mi s town (Field's Landing, Salmon Creek Flats, s end of bay); Humboldt Bay 6 Comment
  UCR84716  Trifolium incarnatum Kathy Harper 1992-5-14 s.n. Humboldt North Coast Range, State Hwy 36 just north of the south fork of the Van Duzen River 762 Comment
  HSC18849  Trifolium incarnatum C. E. Fellows 1970-5-10 263 Humboldt Rio Dell Comment
  HSC58096  Trifolium longipes G. L. Clifton, Griswold 1979-8-1 12013 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  HSC75475  Trifolium longipes J. O. Sawyer 1980-7-18 3622 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC22536  Trifolium microcephalum D. E. Anderson, J. P. Smith 1970-5-10 5057 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  HSC100537  Trifolium microcephalum Carl C. Marshall May 1886 235 Humboldt Near Trinidad. Comment
  UC1197505  Trifolium microdon Joseph P. Tracy 1932-5-16 10109 Humboldt near Samoa; Northern Coast Ranges, Humboldt Bay 6 Comment
  HSC15223  Trifolium obtusiflorum J. E. Lankila 1962-5-6 15 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  UC1197504  Trifolium obtusiflorum Joseph P. Tracy 1914-5-30 4480 Humboldt near Hydesville; Northern Coast Ranges 60 Comment
  UC1197503  Trifolium obtusiflorum Joseph P. Tracy 1903-5-24 1916 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  UCSB30597  Trifolium pratense Edwards, David 1974-7-13 Humboldt North side of 7th St. just W. of its overpass of U.S. 101, Arcata 18 Comment
  UC162779  Trifolium repens J. P. Tracy 1903-8-9 1946 Humboldt immediate vicinity Eureka 0 Comment
  HSC71616  Trifolium repens J. P. Smith 1973-5-26 6822 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  CDA4316  Trifolium subterraneum R. Drewry 1967-5-5 Humboldt Shelter Cove. 0 Comment
  UCD109391  Trifolium subterraneum R. Tofsrud 1949-7-1 s.n. Humboldt Talarook, Hydesville. Comment
  UC1223321  Trifolium variegatum var. melananthum Joseph P. Tracy 1935-5-25 13861 Humboldt Fort Seward 106 Comment
  UC1223527  Trifolium variegatum var. melananthum Joseph P. Tracy 1937-6-13 15331 1/2 Humboldt opposite Willow Creek; Trinity River Valley Comment
  JEPS4384  Trifolium variegatum var. variegatum Lincoln Constance 1934-5-31 764 Humboldt along n side Bull Creek (Bull Creek Flat, from w boundary of park to Grasshopper Park Rd (Squaw Creek)); South Fork Eel River, Bull Creek region Comment
  UC303199  Trifolium willdenovii Joseph P. Tracy 1925-5-17 6967 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC16825  Trifolium wormskioldii Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5600 Humboldt Arcata Comment
  UC303196  Trifolium wormskioldii Joseph P. Tracy 1923-6-17 6273 Humboldt Big Lagoon Northern Coast Region 6 Comment
  RSA90994  Trifolium wormskioldii F. W. Peirson 1923-7-11 3619 Humboldt Along road 7 miles north of Arcata. Comment
  UC201372  Trifolium wormskioldii Joseph P. Tracy 1918-7-3 4991 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  CHSC31317  Triglochin maritima Mark Stopher 1980-6-4 88 Humboldt Near banks of Elk River and tidal creeks near Hwy 101. 1 Comment
  HSC14174  Triglochin maritima W. R. Brigham 1962-5-19 11 Humboldt S of Big Lagoon. Comment
  RSA249527  Triglochin maritima Robert F. Thorne, Percy C. Everett 1965-8-7 35214 Humboldt Samoa Peninsula: near sea level Comment
  HSC14167  Triglochin maritima S. J. Moore 1965-5-8 15 Humboldt Marsh adjacent to Mad River Slough. Comment
  POM319421  Triglochin maritima Patricia Wilder 1968-8-21 4374 Humboldt Big Lagoon Park, just west of U.S. 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 15 Comment
  CAS-BOT-BC389696  Trillium ovatum Mary K. Wicksten 1972-3-8 39 Humboldt Arcata Comment
  CHSC28032  Trillium ovatum L. Greenhill 1977-4-6 12 Humboldt Abundant population 10 ft. from n side of highway 36, 1mile w from Grizzly Creek State Campground. 91 Comment
  HSC15698  Trillium ovatum J. C. Reppas 1963-3-9 21 Humboldt 1.0 mi. from the Pony Farm and N Fickle Hill Rd. Comment
  SEINET12051379  Trillium ovatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -289 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  SEINET3821239 Image available Triodanis biflora Harley P. Chandler 1901-6-1 1415 Humboldt Klamath River 427 Comment
  UC416790  Triodanis biflora Harley P. Chandler 1901-6-16 1514 B Humboldt Somes Bar North Coast Ranges, Klamath River, Somes Bar (Camp 276) 426 Comment
  UC146241  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1906-6-10 2477 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC20854  Triphysaria eriantha subsp. eriantha J. R. Woodside 1963-5-1 21 Humboldt 1.25 mi. N of Fairhaven Comment
  HSC90809  Triphysaria eriantha subsp. eriantha Gail Newton 1982-5-1 2487 Humboldt Eureka, Elk River Wildlife Area Comment
  CHSC70841  Triphysaria eriantha subsp. rosea Vernon Oswald 1998-4-16 8916 Humboldt Samoa Boat Ramp County Park on the North Spit of Humboldt Bay. Growing along New Navy Base Rd. fronting the park. 6 Comment
  HSC20860  Triphysaria versicolor subsp. faucibarbata C. O. Baker 1962-5-7 36 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  UCSB15950  Triphysaria versicolor subsp. faucibarbata Breedlove, Dennis 1962-6-7 Humboldt 3 miles south of southern city limits of Eureka on U.S. Highway 101 3 Comment
  UC902246  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17468 Humboldt Eureka 6 Comment
  UC902249  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17467 Humboldt Eureka 6 Comment
  UC1237958  Triphysaria versicolor subsp. versicolor John Weiler and A. P. Nelson May 26 1961-May 29 1961 61161 Humboldt on U.S. Highway 101, 3.1 mi s Arcata Comment
  CAS-BOT-BC199619  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point on Eel River 152 Comment
  SEINET5424014  Trisetum canescens J. B. Davy, W. C. Blasdale 5036 Humboldt Walkers Valley, hwy 25 Comment
  UCD93900  Trisetum cernuum H. E. Parks; S. T. Parks 1952-6-1 7551 Humboldt Spruce Cove, Trinidad. 60 Comment
  SEINET11682986  Trisetum cernuum K. S. Erdman 1970-1 4814 Humboldt Fern Canyon at mouth of Home Creek, Prairie Creek SP in Redwood National Park Comment
  UC15027  Triteleia bridgesii J. Burtt Davy 1899-6-19 5643 Humboldt Hoopa Mtn North Coast Ranges Comment
  SEINET181190  Triteleia laxa Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-8 15085 Humboldt 5 miles north of Garberville Comment
  UC666897  Triteleia laxa Joseph P. Tracy 1927-6-26 8223 Humboldt on hillsides near ocean; Stone Lagoon 30 Comment
  JEPS558  Triteleia laxa Joseph P. Tracy 1932-6-26 10269 Humboldt Fort Baker 762 Comment
  RSA167426  Triteleia laxa Joseph P. Tracy 1950-6-8 18755 Humboldt At Davis Creek Mouth, south of Cape Mendocino Comment
  UC1197717  Triteleia laxa Joseph P. Tracy 1938-6-17 15966 Humboldt between Petrolia and coast; Domingo Hill 152 Comment
  CAS-BOT-BC85893  Tsuga heterophylla Joseph P. Tracy 1940-8-25 16704 Humboldt Bald Mountain 914 Comment
  CAS-BOT-BC73930  Turritis glabra Alice Eastwood; John Thomas Howell 1937-6-23 4804 Humboldt Little Van Duzen River. Comment
  JEPS65676  Ulex europaeus Joseph P. Tracy 1923-11-24 6594 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  CAS-BOT-BC91108  Umbellularia californica Doris K. Kildale 1927-8-16 2515 Humboldt Upper Willow Creek Flat - Trinity River Valley. 152 Comment
  SEINET12102546  Umbellularia californica J. P. Tracy 1950-1 18600 Humboldt Vicinity of Carlotta 30 Comment
  CAS-BOT-BC193958  Vaccinium cespitosum L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp 1219 Comment
  UC1197772  Vaccinium cespitosum J. P. Tracy 1901-4-7 1007 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  UC1197773  Vaccinium cespitosum J. P. Tracy 1901-4-7 1007 Humboldt immediate vicinity Eureka 0 Comment
  UC1197774  Vaccinium cespitosum J. P. Tracy 1901-4-21 1036 Humboldt immediate vicinity Eureka; , Rick's Prairie 0 Comment
  CAS-BOT-BC199320  Vaccinium ovatum Carl B. Wolf 1931-8-29 2369 Humboldt Near summit of Orick Hill on road to Weitchpec 304 Comment
  CAS-BOT-BC199324  Vaccinium ovatum L. R. Abrams 1918-6-16 7188 Humboldt Willow Creek Comment
  HSC34153  Vaccinium ovatum Linda M. Barker 1974-5-11 186 Humboldt Redwoods National Park, beside Bald Hills Road 366 Comment
  UC412666  Vaccinium ovatum Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  UCD166888  Vaccinium ovatum Colleen Rossier 2016-9-16 6 Humboldt In vicinity of Bark Shanty Road, plot Bark Shanty #2. 427 Comment
  HSC7925  Vaccinium parvifolium J. Pursell 1964-10-18 10181 Humboldt Hwy. 299, 15 mi. N of Blue Lake Comment
  UC1197780  Vaccinium parvifolium Joseph P. Tracy 1931-4-26 9341 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  UC22217  Vaccinium parvifolium Harley P. Chandler May 1901 1182 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC562494  Vaccinium parvifolium Joseph P. Tracy 1927-5-15 8057 Humboldt On road west from Hoopa Valley; Northern Coast Ranges, Hoopa Mountain 914 Comment
  UC615045  Vaccinium parvifolium Beryl O. Schreiber 1934-6-5 1135 Humboldt 15 miles east of Blue Lake road to Redding Comment
  RSA114992  Valeriana sitchensis subsp. scouleri E. K. Balls, Lee W. Lenz 1955-5-15 20732 Humboldt 6.4 miles SW of Willow Creek along US Hwy 299 to Arcata. 457 Comment
  UC1239593  Valeriana sitchensis subsp. sitchensis Joseph P. Tracy 1937-7-29 15573 Humboldt in meadow at McKay Camp South Fork Mountain 1676 Comment
  CAS-BOT-BC76049  Vancouveria hexandra Mrs. H. E. Wilder 1933-5-20 s.n. Humboldt Carlotta. Comment
  RSA247145  Vancouveria hexandra Gary D. Wallace 1971-7-29 948 Humboldt Prairie Creek Redwoods St. Pk. along Zig Zag Trail #3 leading W from Hwy. 101. Comment
  JEPS33028  Vancouveria planipetala W. L. Jepson 1934-5-7 16695 Humboldt Bull Creek Comment
  SEINET10536497  Vancouveria planipetala Mary Susan Taylor 1980-6-11 Taylor 2843 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  HSC65844  Veratrum insolitum Gail Newton 1980-6-16 154 Humboldt Near Monks Camp. 1097 Comment
  UC1225852  Veratrum insolitum Joseph P. Tracy 1948-8-15 18120 Humboldt on Ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  UC1225853  Veratrum insolitum Joseph P. Tracy 1948-9-5 18180 Humboldt 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC98931  Veratrum viride Cara Witte 2007-7-19 549 Humboldt Forest Service Road 4N32. 1.5 miles east of intersection with 4N70. Grouse Mountain Lookout. 1547 Comment
  UC1225827  Verbena lasiostachys var. lasiostachys Joseph P. Tracy 1948-8-8 18090 Humboldt Iaqua School House Comment
  UC1239563  Verbena lasiostachys var. lasiostachys Joseph P. Tracy 1911-7-9 3479 Humboldt near mouth of Willow Creek; Trinity River Valley 152 Comment
  HSC102000  Veronica americana M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 899 Humboldt Patterson Meadows 1566 Comment
  SD88369  Veronica americana Darley F. Howe 1972-5-7 Humboldt Trinidad Comment
  UC501613  Veronica scutellata Frank W. Peirson 1923-7-11 3838 Humboldt 7 mi n of Arcata Comment
  HSC44831  Veronica serpyllifolia subsp. humifusa Thomas W. Nelson, Jane Nelson 1977-6-19 3503 Humboldt Northwest of pond above Alder Springs 1585 Comment
  BLMAR500  Vicia sativa subsp. nigra Jennifer Wheeler 2009-4-30 500 Humboldt King range, Hidden Valley trail Comment
  HSC3229  Vinca major N. R. Waite 1965-5-18 35 Humboldt Along Hwy. 101, W of Humboldt State College campus. Comment
  HSC21757  Viola adunca N. J. Cole, D. E. Anderson 1965-4-13 16 Humboldt 1.5 mi. SE of Maple Creek Rd. jct. with Bald Hills Rd., SE of Korbel Comment
  HSC21770  Viola adunca J. F. Knezevich 1968-5-14 443 Humboldt 11 mi. S of Ferndale on the road to Cape Mendocino 305 Comment
  RSA46714  Viola adunca Doris K. Kildale 1926-3-20 1537 Humboldt Big Lagoon. Comment
  UC1761955  Viola adunca Mrs. Wilder 1926-4 Humboldt Carlotta Comment
  HSC41233  Viola cuneata Brad Klipfel 1974-5-8 323 Humboldt Horse Mtn. Comment
  HSC45496  Viola glabella Maralyn O'Meara 1972-6-8 97 Humboldt Along Bald Hills Rd. 18 mi. E of junction with Hwy. 101 Comment
  HSC45612  Viola glabella Diane L. Reed 1978-5-7 54 Humboldt Top of Friday Ridge, 3 mi. S of Brush Mtn. on Friday Ridge Rd. Comment
  JEPS50385  Viola glabella Lincoln Constance 1934-5-26 652 Humboldt near Founder's Tree (North Dyerville Flat); Bull Creek Region, South Fork Eel River, North Dyerville Fla 48 Comment
  RSA218475  Viola glabella N. H. Russell 1960-6-9 60 -24 Humboldt Near Weott and Williams Grove, by Hwy 101. Comment
  UC1762124  Viola glabella Milo S. Baker 1926-7 145 -26 Humboldt S. Fork Mt., 5 mi from hwy Comment
  POM126626  Viola hallii P. E. Goddard 1906-06 667 Humboldt Lasseck Pk. Comment
  RSA135420  Viola hallii Volney Rattan 1882-06 s.n. Humboldt Kneeland Prairie. Comment
  RSA77758  Viola hallii Joseph P. Tracy 1927-6-12 8125 Humboldt Horse Mountain. 1524 Comment
  UC1198441  Viola hallii Joseph P. Tracy 1933-7-11 12664 Humboldt Horse Mountain 1432 Comment
  UCR139069  Viola hallii E. Brower, S. Marubayashi, E. Perry 1997-5-10 054 Humboldt USFS Road 1, at mile marker 8 945 Comment
  UC1103556  Viola macloskeyi Joseph P. Tracy 1933-7-16 12780 Humboldt South Fork Mountain at McKay Camp McKay Camp; South Fork Mountain, McKay Camp 1676 Comment
  UC1761724  Viola macloskeyi W. K. Parks Jul 1933 6239 Humboldt South Fork Mt. Comment
  JEPS50263  Viola palustris Joseph P. Tracy 1923-5-31 6242 Humboldt Northern Coast Ranges, Eurkea Eurkea; Northern Coast Ranges, Eurkea 0 Comment
  JEPS50264  Viola palustris Joseph P. Tracy 1927-4-23 7919 Humboldt Big Lagoon; Northern Coast Ranges, Big Lagoon 3 Comment
  UC164807  Viola palustris Joseph P. Tracy 1904-7-31 2126 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  SEINET200801 Image available Viola praemorsa J. P. Tracy 1922-5-29 6067 Humboldt Head of South Yager Creek Comment
  UCSB27854  Viola praemorsa Phelps, M. 1972-3-20 Humboldt 1000 yds. north of Whitethorn turnoff on Shelter Cove Rd., roadside 304 Comment
  HSC98758  Viola purpurea subsp. purpurea Cara Witte 2008-7-2 818 Humboldt Board Camp Mountain/ Tri Board Camp. Forest Service Road 4N38. 1577 Comment
  UC164816  Viola sempervirens Joseph P. Tracy 1901-1-1 978 Humboldt immediate vicintiy of Eureka 0 Comment
  HSC60298  Viola sempervirens Phyllis Krieg 1979-4-3 Humboldt Near USFS PSW Experimental Station Lab., Arcata Community Forest, Arcata 30 Comment
  HSC40867  Vulpia bromoides Linda M. Barker 1976-4-30 1398 Humboldt 3 mi. W of Arcata Comment
  UC1103714  Vulpia bromoides Joseph P. Tracy 1936-6-17 14960 Humboldt nw slope Buck Mountain; Burr Valley 1066 Comment
  UCD93442  Vulpia bromoides Linda M. Barker 1976-6-1 1543 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC198762  Vulpia bromoides Doris K Niles 1950-6-1 5 Humboldt Island in Eel River, Niles field. Comment
  RSA121356  Vulpia microstachys var. pauciflora H. L. Person 1932-5-11 s.n. Humboldt Near Arcata 0 Comment
  UC1145191  Vulpia microstachys var. pauciflora Joseph P. Tracy 1936-7-5 15039 Humboldt Grouse Mountain 1524 Comment
  HSC37935  Vulpia myuros Peter Sorensen 1976-6-4 Humboldt N Spit Comment
  HSC9939  Vulpia myuros R. H. Berg 1963-4-18 54 Humboldt Arcata Bottoms, Arcata. Comment
  UCD94718  Vulpia myuros A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3456 Humboldt 2 miles north of Orleans. Klamath River. Comment
  UC1103713  Vulpia myuros var. hirsuta Joseph P. Tracy 1941-6-15 16908 Humboldt 609 Comment
  CAS-BOT-BC128815  Whipplea modesta L. R. Abrams 1918-6-16 7145 Humboldt Lower arid Transition Zone, Willow Creek Comment
  HSC20440  Whipplea modesta S. S. Stutz 1963-3-24 8 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  HSC20442  Whipplea modesta Yarick 1960-8-5 Humboldt M&M, 7 mi., Krueger Creek Comment
  UCD136054  Woodwardia fimbriata K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 457 Comment
  RSA167404  Wyethia angustifolia Joseph P. Tracy 1950-6-8 18739 Humboldt Near Capetown, Bear River Ridge. 30 Comment
  UC165897  Wyethia angustifolia Joseph P. Tracy 1911-7-6 3352 Humboldt along road between three creeks and mouth Willow Creek; Northern Coast Ranges, Willow Creek 762 Comment
  UC582641  Wyethia angustifolia Joseph P. Tracy 1937-7-24 15524 Humboldt prairie in Devil's Hole; Trinity Summit 1676 Comment
  HSC73870  Wyethia longicaulis Gail Newton 1980-7-14 1462 Humboldt Near Last Chance Ridge. 1219 Comment
  UC604675  Wyethia longicaulis Joseph P. Tracy 1938-7-7 16041 Humboldt Grouse Mountain 1524 Comment
  BLMAR415  Xanthium strumarium Jennifer Wheeler 2007-8-22 415 Humboldt South Spit, East side of road, near ecotone between atriplex and dune swale Comment
  HSC56947  Xerophyllum tenax Overton, Butler 1979-7-23 9437 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  SEINET3888981  Xerophyllum tenax D. E. Anderson 1972-6-20 s.n. Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit.; 0 Comment
  HSC8417  Zeltnera muehlenbergii Paul Shields Jul 1955 Humboldt 3 mi. S of Myers Flat Comment
  UC275516  Zigadenus micranthus var. micranthus Joseph P. Tracy 1924-7-4 6521 Humboldt Valley South Yager Creek; Northern Coast Ranges, Valley of South Yager Creek 762 Comment
  CDA866  Zostera japonica Gordon Leppig 2002-7-8 1782 Humboldt Indian Island, SW shore, mid-intertidal zone, +1.2 MLW. 0 Comment
  CDA868  Zostera japonica Gordon Leppig 2002-7-8 1783 Humboldt Indian Island, SW shore, mid-intertidal zone, +1.2 MLW. 0 Comment
  HSC93950  Zostera marina F. J. Shaughnessy 1999-6-14 Humboldt Arcata Marsh and Wildlife Sanctuary, Humboldt Bay, Fields Landing Comment



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