Search Results — 2000 specimen records retrieved (1375 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77963  Abies concolor Henry M. Pollard 1944-9-1 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC102514  Abies concolor M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1500 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  CDA468  Abies grandis George Loughner 2000-10-6 PDR# 023915 Humboldt Ridge, E of Blue Lake. 0 Comment
  CHSC19504  Abies grandis Wendell Wood 1970-10-7 305 Humboldt Mckinleyville. East end of Chateau Way. 106 Comment
  HSC45921  Abies grandis Jerome Peterson 1978-5-28 28 Humboldt HSC Campus, NW of Founders Hall Comment
  CAS-BOT-BC73483  Abies magnifica Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mts. 1828 Comment
  JEPS47996  Abies magnifica var. magnifica W. L. Jepson 1902-7-16 2043 Humboldt Trinity Summit 2133 Comment
  UC1229745  Abies procera G. L. Anderson 1962-8-21 5 Humboldt Horse Trail Ridge Six Rivers National Forest, Horse Trail Ridge (sw slope) 1828 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
  HSC49509  Abronia latifolia R. York 1979-5-18 298 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  UC902130  Acer circinatum Joseph P. Tracy 1949-8-4 18424 Humboldt near Mud Springs; Trinity Summit 1371 Comment
  RSA178582  Acer glabrum var. torreyi Joseph P. Tracy 1950-7-1 18947 Humboldt Back of Cold Springs, near Clear Lake Comment
  UC205627  Acer macrophyllum Joseph P. Tracy 1920-10-24 5404 Humboldt near Korbel (North Fork of Mad River); Northern Coast Ranges, North Fork of Mad River 60 Comment
  CAS-BOT-BC28587  Achillea millefolium David D. Keck 1938-8-5 4775 Humboldt Big Lagoon Comment
  HSC4576  Achillea millefolium S. J. Hawks 1965-5-14 63 Humboldt Clam Beach Comment
  HSC46013  Achillea millefolium Catherine Chin 1978-8-16 106 Humboldt Arcata; at 7th and A St. Comment
  HSC59675  Achillea millefolium George Kirn 1977-10-12 Humboldt South shore Little River, 1/2 mile from mouth 8 Comment
  UC581788  Achillea millefolium Joseph P. Tracy Jul 16 1930-Jul 19 1930 9043 Humboldt near Blake Lookout; North Coast Ranges, South Fork Mountain 1737 Comment
  UC169910  Achlys californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-10 5397 Humboldt Hubbard's Station Comment
  HSC42004  Achlys triphylla Tom Duebendorfer 1977-5-15 51 Humboldt 8.9 mi. E on Ward Rd. from junction of Maple Creek Rd. and Old Hwy. 299 610 Comment
  RSA21086  Achlys triphylla C. B. Wolf 1937-6-19 8914 Humboldt North Coast Range, 7.2 mi. above Bridgeville on grade to Dinsmores. 457 Comment
  UC187245  Achnatherum lemmonii Joseph P. Tracy Jul 27 1908-Jul 30 1908 2707 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC1541542  Achnatherum lettermanii Harold E. Parks July 1934 4926 Humboldt Grouse Mountain 1371 Comment
  BLMAR508  Acmispon brachycarpus Jennifer Wheeler 2009-5-12 508 Humboldt Red Mountain, In serpentine meadow S of School Section Creek 792 Comment
  HSC40264  Acmispon micranthus Linda M. Barker 1976-4-30 1410 Humboldt 3 mi. W of Arcata Comment
  SEINET957914  Acmispon micranthus J. P. Tracy 1917-1 4795 Humboldt Mouth of Little River. 6 Comment
  SDSU4308  Acmispon parviflorus D. F. Howe 1962-5-22 3307 Humboldt 0.7 miles east of Orick on Bald Mt. road. 396 Comment
  UC1222584  Aconitum columbianum Joseph P. Tracy 1950-7-31 19242 Humboldt n.e. side of top Grouse Mt. 1524 Comment
  HSC55637  Aconitum columbianum subsp. columbianum Overton, Butler 1979-7-24 9668 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC73560  Aconitum columbianum subsp. columbianum M. A. Baker 1980-7-22 3111 Humboldt Near Grogan Hole. 1676 Comment
  HSC54873  Aconogonon davisiae G. L. Clifton, Griswold 1979-7-25 10842 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC412848  Aconogonon davisiae Thomas Nelson 1979-7-11 5022 Humboldt North Trinity Mountain and ridge to east. SE of Water Dog Lake 1828 Comment
  HSC82405  Aconogonon davisiae Thomas W. Nelson 1979-7-11 5021 Humboldt N Trinity Mtn. and ridge to E, SE of Water Dog Lake 1829 Comment
  UCD98796  Aconogonon phytolaccifolium P. B. Kennedy 1925-8-29 s.n. Humboldt Eureka. Comment
  HSC56188  Actaea rubra Gilbert Muth 1979-8-1 12125 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC63883  Actaea rubra M. A. Baker 1979-6-27 925 Humboldt Edge of Hoopa Indian Reservation Comment
  UC582523  Adenocaulon bicolor Joseph P. Tracy 1932-7-17 10650 Humboldt fir woods near Corral Prairie; Trinity Summit 1584 Comment
  HSC40126  Adenocaulon bicolor Thomas W. Nelson, James Nelson 1976-7-28 3075 Humboldt Along small creek E of old road from Goat Mountain lookout to branch road of FS 2S08 N of Alder Springs. 1555 Comment
  CAS-BOT-BC62289  Adiantum aleuticum T. G. W. 1924-7-1 s.n. Humboldt Arcata Comment
  UCR123954  Adiantum aleuticum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6969 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
  UCD137172  Adiantum aleuticum K. Esau 1934-5-8 s.n. Humboldt Redwood Highway, So. of Scotia. Comment
  CAS-BOT-BC65626  Adiantum jordanii Doris K. Kildale 1926-5-2 1899 Humboldt Willow Creek Flat - Trinity River tributary 152 Comment
  UC1222303  Aesculus californica Joseph P. Tracy 1950-6-21 18856 Humboldt w side mouth of South Fork (near the South Fork); Trinity River Valley 182 Comment
  HSC56442  Agastache urticifolia Griswold, Butler 1979-7-12 7184 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC57952  Ageratina occidentalis G. L. Clifton, Griswold 1979-7-31 11634 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC32220  Agoseris grandiflora J. O. Sawyer 1970-6-24 2241 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC44088  Agoseris grandiflora Thomas W. Nelson, Jane P. Nelson 1977-9-3 3723 Humboldt N of Alder Springs 1555 Comment
  JEPS36258  Agoseris grandiflora Milo S. Baker 1923-7-20 66 Humboldt 15 mi e, at Redwood house on Yager Road Hydesville Comment
  UC1222935  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1951-6-24 19535 Humboldt Kneeland Prairie Kneeland Prairie 762 Comment
  UC582750  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1930-6-21 8768 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC1222944  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1945-7-15 17513 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  UC166072  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1911-7-12 3528 Humboldt near, in fields Blue Lake; Northern Coast Ranges 60 Comment
  UC1196558  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1935-7-14 14078 Humboldt top of ridge Grouse Mountain; North Coast Ranges 1524 Comment
  UC582756  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1935-7-25 14234 Humboldt McKay Prairie Trinity Summit, McKay Prairie 1584 Comment
  UC1222938  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1949-6-25 18344 Humboldt 1 mi w, to Box Camp w slope of Trinity Summit Mud Springs; Trinity Summit Comment
  UC1239511  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1934-6-27 13261 Humboldt Near Cold Springs; North Coast Ranges, Grouse Mountain. 1432 Comment
  UC1222765  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1950-8-4 19258 Humboldt at, (in Bull Creek State Park at head of Canoe Creek) Grasshopper Peak; Canoe Creek, Bull Creek State Park Comment
  UC169332  Agoseris heterophylla var. heterophylla Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3625 Humboldt near, (hillside between Hydesville and Alton) Hydesville; Northern Coast Ranges, Alton 30 Comment
  UC582746  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1930-6-21 8775 C Humboldt Larrabee Valley; Northern Coast Ranges 701 Comment
  UC1199485  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1932-6-26 10272 Humboldt (ne of Bridgeville) Fort Baker Ranch; Bridgeville 762 Comment
  UC1222768  Agoseris retrorsa Joseph P. Tracy 1950-7-9 19030 Humboldt at, 3 mi s of Burr Valley Sproston's Place 1066 Comment
  HSC8829  Agrostis capillaris D. J. Wilder 1965-5-9 32 Humboldt Arcata, 151 G st. Comment
  UCD51876  Agrostis capillaris var. aristata A. H. Murphy 1947-6-20 s.n. Humboldt Tooby and Prior Ranch, near Blocksburg. Comment
  CHSC116250  Agrostis castellana Barbara L. Wilson; Nick Otting 2012-7-3 17134 Humboldt Dean Creek Resort between the Eel River and the Old Redwood Highway, west of Highway 101; UTM zone 10T, 430910 east, 443867 north. 76 Comment
  CAS-BOT-BC127277  Agrostis exarata Joseph P. Tracy 1904-7-10 2119 Humboldt Northern Coast Region. Eureka. 60 Comment
  CAS-BOT-BC127283  Agrostis exarata Joseph P. Tracy 1933-7-20 12809 Humboldt Along Mad River, near Blue Lake. 15 Comment
  HSC75270  Agrostis exarata J. O. Sawyer, M. A. Ericksen 1980-8-18 4058 Humboldt Slopes below Mill Creek Lakes, N Trinity Mtn. Research Natural Area 1707 Comment
  HSC8785  Agrostis exarata D. E. Anderson 1961-8-25 1743 Humboldt Beach area 1.5 miles S of Trinidad. Comment
  POM160889  Agrostis exarata Joseph P. Tracy 1918-7-21 5085 Humboldt Around Humboldt Bay. Humboldt Hill 91 Comment
  RSA53834  Agrostis exarata Henry M. Pollard 1946-8-13 s.n. Humboldt Pond near Harley Place. Orleans region. Comment
  RSA87372  Agrostis exarata F. W. Peirson 1941-7-28 13116 Humboldt Patrick's Point State Park Comment
Read comments
Jun 4 2015
  UC1103379  Agrostis exarata Joseph P. Tracy 1935-7-25 14232 Humboldt McKay Prairie Trinity Summit, McKay Prairie 1584 Comment
  UC1103388  Agrostis exarata J. P. Tracy 1901-6-23 1180 Humboldt immediate vicinity of Eureka 0 Comment
  UC1145153  Agrostis exarata Joseph P. Tracy 1936-6-28 15030 Humboldt in bog Bald Mountain, Lake Prairie 1066 Comment
  UC212878  Agrostis exarata Joseph P. Tracy 1919-9-18 5226 Humboldt Northern Coast Ranges, Trinity Summit 1889 Comment
  UC526892  Agrostis exarata Joseph P. Tracy 1932-7-14 10550 Humboldt Wet Meadow at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC58753  Agrostis gigantea Overton, Butler 1979-7-24 9698 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC139499  Agrostis hallii Gordon H. True 1965-9-25 2656 Humboldt Klamath River 1.5 mile east of Orleans. 213 Comment
  CHSC69848  Agrostis hallii Leonel Arguello 1989-8-20 Humboldt Collected at the Lanphere-Christensen Dunes Preserve 3 miles west of Arcata. Growing alongside North Dune Loop trail about 40 yards from the Salt Marsh trail. Comment
  UC1145077  Agrostis hallii Joseph P. Tracy 1938-7-4 15982 Humboldt valley South Yager Creek; Valley of South Yager Creek 762 Comment
  UC576314  Agrostis hallii H. S. Yates 1936-6-17 5698 Humboldt lower nw slope Buck Mountain; South Fork Peak Quad., lower nw slope Buck Mountain 792 Comment
  UCD52675  Agrostis hallii P. B. Kennedy 1923-6-14 305 Humboldt Stoddard store, near Garberville. Comment
  UCD52685  Agrostis hallii H. S. Yates 1936-6-18 5728 Humboldt Near mouth of Litter River. 4 Comment
  HSC98707  Agrostis idahoensis Cara Witte 2007-7-25 586 Humboldt Forest Service Road 5N04. 1/2 mile east of intersection with Forest Service Road 4N70. Grouse Mountain Lookout. 1583 Comment
  UC1151676  Agrostis idahoensis A. H. Murphy 1951-8-17 89 Humboldt ca 15 mi ne Bridgeville (Racetrack Springs, South Fork Mtn., Humboldt Co.--Trinity Co. line); South Fork Mountain, Racetrack Springs 1219 Comment
  HSC96541  Agrostis pallens Gordon Leppig 1997-8-3 645 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  UC589898  Agrostis pallens H. S. Yates 1936-6-16 5685 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  UC552778  Agrostis thurberiana Joseph P. Tracy 1934-7-18 13453 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  UC526778  Agrostis variabilis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8948 Humboldt along summit South Fork Mountain (near Blake lookout); Northern Coast Ranges, along summit South Fork Mountain 1737 Comment
  HSC65424  Aira caryophyllea J. P. Smith, J. O. Sawyer 1973-5-12 6683 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC70927  Aira caryophyllea R. York 1980-5-18 578 Humboldt Near Black Mtn 792 Comment
  HSC74428  Aira caryophyllea Gail Newton 1980-8-10 2058 Humboldt Near Blake Mountain 1707 Comment
  SBBG53062  Aira caryophyllea R. N. Philbrick, J. R. Haller 1976-6-25 2 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC526682  Aira caryophyllea Joseph P. Tracy 1933-6-13 12581 Humboldt near summit on road from Hoopa westward to Bair's; Hoopa Mountain 1066 Comment
  HSC24612  Aira caryophyllea C. E. Fellows 1965-5-19 88 Humboldt 1.6 mi. S of 7th St. on Hwy. 101 at bridge, E side of Hwy., S side of bridge 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-BC138331  Aira caryophyllea var. caryophyllea Joseph P. Tracy 1927-6-19 8199 Humboldt Northern Coast Region. Big Lagoon. 6 Comment
  HSC104039  Aira elegans C. Reynolds 2015-3-21 25 Humboldt Willow Creek; At bend in Trinity River, on the east end of Kimtu beach, near Camp Kimtu 135 Comment
  SBBG88771  Alisma triviale A. Keedy 1988-9-18 9 Humboldt fresh water pond A, Arcata Salt Marsh Project, Humboldt Bay Comment
  HSC60375  Alisma triviale J. M. DiTomaso 1979-5-29 1077 Humboldt Arcata Bottoms, 1.7 mi. W of Alliance Rd. on Lanphere Rd. Comment
  HSC100545  Allium bolanderi Carl C. Marshall May 1885 115 Humboldt Bear River Region. Comment
  HSC98522  Allium bolanderi var. bolanderi Cara Witte 2007-7-8 435 Humboldt Board Camp Mountain. Pack trail 4E26. 1491 Comment
  UC666927  Allium campanulatum Joseph P. Tracy 1933-7-25 12863 Humboldt Grouse Mountain 1524 Comment
  HSC97940  Allium falcifolium Cara Witte 2007-5-23 86 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  UC1565798  Allium falcifolium R. Spellenberg 1990-7-10 10243 Humboldt 11 air mi e Burnt Ranch (11 mi s of Berry Summit (on Calif. Hwy. 299) on USFS 1) 1432 Comment
  CAS-BOT-BC469016  Allium falcifolium Thomas W. Nelson; James L. Nelson 1980-6-10 5400 Humboldt Blocksburg Quad.; Along Swayback Ridge 4-wheel drive road 1.25 miles south of junction with Forest Service road. Comment
  HSC2936  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mtn. 1433 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
  SDSU11522  Allium unifolium unknown, Santa Ana Botanic Gaden 1940-5-20 Humboldt Coast Ranges Monterey Comment
  HSC70498  Allium validum Gail Newton 1980-7-20 1628 Humboldt Near Bell Swamps 9 Comment
  HSC78649  Allium validum D. K. Imper 1982-7-23 1480 Humboldt Near Onion Lake. 1371 Comment
  CAS-BOT-BC169542  Alnus rubra Carl B. Wolf 1930-10-26 1767 Humboldt SO edge of Bog Lagoon, near Redwood Highway Bridge 9 Comment
  SBBG28459  Alnus rubra H. E. and S. T. Parks 1938-4-1 24126 Humboldt Spruce Cove, Trinidad 60 Comment
  UC72510  Alnus rubra H. P. Chandler 1905-5-1 Humboldt Eureka Comment
  UC187254  Alopecurus aequalis Joseph P. Tracy 1911-7-7 3400 Humboldt 3 mi. n.w. of junction of Willow Creek with Trinity R. (at meadows on mt. side, near Beebe's Ranch); Northern Coast Ranges 914 Comment
  CAS-BOT-BC138014  Alopecurus geniculatus Richard Walter Pohl 1963-6-3 9449 Humboldt Korbel. Comment
  CAS-BOT-BC138015  Alopecurus geniculatus Ira L. Wiggins 1932-6-18 5867 Humboldt Margins of the lagoon at the mouth of Little River. Comment
  UCD55908  Alopecurus geniculatus J. Lenz 1950-6-1 s.n. Humboldt Cranell. Comment
  UCD55914  Alopecurus saccatus A. A. Beetle; J. P. Tracy, G. L. Stebbins 1942-6-2 3464 Humboldt 1 mile E of Alton. Comment
  UC1199258  Ambrosia artemisiifolia Joseph P. Tracy 1936-9-18 15187 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  HSC2176  Ambrosia chamissonis H. E. Parks Aug 1941 24181 Humboldt Big Lagoon Comment
  UC665538  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt sandy beaches at mouth Little River Comment
  BLMAR688  Amelanchier alnifolia var. semiintegrifolia Jennifer Wheeler 2012-6-19 688 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  UC1198751  Amelanchier utahensis Joseph P. Tracy 1937-4-3 15241 Humboldt Willow Creek; Trinity River Valley 152 Comment
  CDA18243  Ammophila arenaria G. D. Barbe, T. C. Fuller 1974-6-19 1881 Humboldt North Coast Ranges; Mad River mouth, beach S of river, at end of Iversen Lane, Tyee City. 7 Comment
  HSC17836  Anagallis arvensis C. O. Baker 1962-5-7 34 Humboldt 2 mi. S of Trinidad along Hwy. 101 15 Comment
  SBBG19484  Anaphalis margaritacea J. A. Lowery -Aug-1962 27 Humboldt Willow Crk, ca. 30 mi E of Eureka 457 Comment
  SBBG2107  Anemone deltoidea H. and M. Dearing 1933-5-16 360 Humboldt Weott Comment
  CAS-BOT-BC391789  Anemone deltoidea Henry M. Pollard 1948-7-31 s.n. Humboldt Under Mt Orleans summit 1828 Comment
  HSC45033  Anemone deltoidea Maralyn O'Meara 1973-6-12 206 Humboldt Above Clear Lake Comment
  HSC82404  Anemone deltoidea Thomas W. Nelson 1979-7-11 5034 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  HSC41238  Anemone oregana var. oregana Brad Klipfel 1974-5-27 376 Humboldt Horse Mountain Comment
  HSC74357  Anemone oregana var. oregana Gail Newton 1980-6-17 222 Humboldt Near Onion Mtn. 1341 Comment
  HSC44403  Anemone oregana var. oregana R. York 1978-5-6 155 Humboldt Around Onion Lake on Bluff Creek Rd. 1220 Comment
  HSC71406  Angelica hendersonii J. M. DiTomaso 1980-8-1 1818 Humboldt Table Bluff, S of Eureka 9 Comment
  RSA21584  Angelica hendersonii C. B. Wolf 1937-9-9 9304 Humboldt 2 miles S of Cape Mendocino. 6 Comment
  UC582632  Angelica hendersonii Joseph P. Tracy 1937-8-22 15674 Humboldt Table Bluff 91 Comment
  JEPS143  Angelica hendersonii W. L. Jepson 1936-8-18 17945 Humboldt 1/2 mi s of Singley Creek Comment
  HSC60374  Angelica lucida J. M. DiTomaso 1979-5-20 1058 Humboldt Above College Cove at Elks Head, 1 mi. N of Trinidad. Comment
  HSC22864  Anisocarpus madioides D. E. Anderson 1965-5-8 3640 Humboldt About 2 mi. N of Willow Creek on road running along E side of Trinity River Comment
  POM247535  Antennaria media Joseph P. Tracy 1935-7-24 14202 Humboldt Trinity Summit, near ranger station Comment
  UC1199432  Antennaria suffrutescens Joseph P. Tracy 1934-6-14 13216 Humboldt Horse Mountain 1432 Comment
  SEINET198594  Anthoxanthum odoratum H. E. Parks, ST Parks 1952-4-30 24444 Humboldt Spruce Cove Trinidad Comment
  UC582471  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1935-10-13 14756 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC40265  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt 3 mi. W of Arcata Comment
  UC1198741  Aphanes occidentalis Joseph P. Tracy 1919-4-27 5129 Humboldt Humboldt Bay Northern Coast Region (Ocean Beach) Comment
  HSC32419  Aphanes occidentalis David Johnson 1974-4-24 Humboldt Samoa Peninsula W of Emerson Lumber Co. Comment
  HSC58036  Apocynum androsaemifolium G. L. Clifton 1979-7-31 11874 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC22889  Apocynum cannabinum Chesnut and Drew July 1888 Humboldt Grouse Creek Comment
  HSC48990  Aquilegia formosa var. formosa M. A. Baker 1979-5-25 757 Humboldt Comment
  HSC97563  Aquilegia formosa var. formosa Cara Witte 2007-6-1 165 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1355 Comment
  HSC55861  Aquilegia formosa var. truncata G. L. Clifton, Griswold 1979-7-25 10870 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC53858  Arabis glabra Griswold, Butler 1979-7-10 6329 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC54209  Arabis glabra Griswold, Butler 1979-7-12 7253 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC98619  Arabis glabra var. glabra Cara Witte 2007-5-31 154 Humboldt Along National Forest Rte. 1, near Kinsey Ridge, 1.5 miles north of intersection with 4N09 1299 Comment
  HSC57210  Arabis holboellii var. retrofracta Terry Griswold, Marvin Butler 1979-7-12 7239 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC57407  Arabis holboellii var. retrofracta G. L. Clifton, Terry Griswold 1979-7-26 10162 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 2058 Comment
  HSC75495  Arabis holboellii var. retrofracta J. O. Sawyer 1980-7-18 3637 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC99596  Aralia californica Overton, Butler 1979-7-24 14090 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 Comment
  JEPS40071  Aralia californica Lincoln Constance 1934-5-29 740 Humboldt n. bank Bull Creek opposite Squaw Creek; Bull Creek Region, W. Fork Eel R. Comment
  CAS-BOT-BC128696  Arbutus menziesii Doris K. Kildale 1928-5-19 5224 Humboldt Chalk Mountain Comment
  SEINET11853818  Arctium minus J. P. Tracy 1950-1 19351 Humboldt Occasional at Beatrice, 3 mi S of Field's Landing Comment
  UC1182190  Arctostaphylos J. A. Delapp 1959-10-7 57 Humboldt 5 3/4 mi ne Schoolits Peak (Wiregrass Prairie, Plot V1); Quad 11 C-1 853 Comment
  UC585943  Arctostaphylos Joseph P. Tracy 1933-8-6 12958 Humboldt French Camp Ridge 1066 Comment
  UC585953  Arctostaphylos Joseph P. Tracy 1932-7-18 10722 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  BLMAR276  Arctostaphylos canescens Jennifer Anthony-Wheeler 1999-7-30 276 Humboldt Lacks Creek 1219 Comment
  JEPS42534  Arctostaphylos canescens Joseph P. Tracy 1918-5-1 4906 Humboldt hillside towards Iaqua Buttes; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC99410  Arctostaphylos canescens subsp. canescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 59 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
  BLMAR53  Arctostaphylos columbiana Jennifer Anthony-Wheeler 1994-2-14 53 Humboldt King range, growing along KR rd approx 2mi from rd end 228 Comment
  CAS-BOT-BC23757  Arctostaphylos columbiana Alice Eastwood 1907-4-21 12 Humboldt Trinidad Comment
  CAS-BOT-BC23784  Arctostaphylos columbiana Doris K. Kildale 1929-7-1 5310 Humboldt French Camp on Orick-Martins Ferry road Comment
  CAS-BOT-BC23821  Arctostaphylos columbiana Carl B. Wolf 1941-3-3 9995 Humboldt N. Coast Range, 4 mi. N. of Ettersburg on road to Honeydew. 304 Comment
  HSC7723  Arctostaphylos columbiana H. E. Parks Feb 1933 3985 Humboldt Spruce Cove, Trinidad Comment
  JEPS38964  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13139 Humboldt vicinity of Trinidad 60 Comment
  JEPS38966  Arctostaphylos columbiana Joseph P. Tracy 1934-7-2 13293 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  RSA622678  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27675 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  RSA622689  Arctostaphylos columbiana Jon E. Keeley, John Sawyer 1996-10-12 27672 Humboldt Along Highway 101 at edge of cutover redwood forest, 6 km south of Drury Scenic Parkway and Prairie Creek Redwoods State Park, north of Eureka. 320 Comment
  UC154033  Arctostaphylos columbiana J. P. Tracy 1909-8-22 3079 Humboldt vicinity of Eureka 0 Comment
  UCD50758  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth 1967-10-26 1167 Humboldt 20 road miles east of Hwy. 101 on Bald Hills Road (from Orick). Comment
  CAS-BOT-BC23736  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of the Van Duzen River. Comment
  UCD51017  Arctostaphylos glandulosa Roman Gankin 1965-8-4 542 Humboldt On USAL Road, 1 mile north of junction of Four Corners. Comment
  JEPS38971  Arctostaphylos hookeri subsp. montana Joseph P. Tracy 1936-8-2 15075 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  HSC35598  Arctostaphylos knightii Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2013 Humboldt French Camp, Bald Hills. Comment
  HSC74675  Arctostaphylos manzanita Gail Newton 1981-5-16 2177 Humboldt Near Bug Creek. 1228 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
  RSA633021  Arctostaphylos manzanita Jon E. Keeley 1996-10-13 27801 Humboldt Highway 96, 15 km north of Willow Creek. 100 Comment
  HSC101660  Arctostaphylos manzanita subsp. glaucescens J. P. Smith, J. O. Sawyer 2011-4-23 13121 Humboldt Along road from Redway to Shelter Cove 212 Comment
  CAS-BOT-BC24365  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1926-7-25 2430 Humboldt Briceland Bridge 1/2 mile w. of Darkville. Comment
  CAS-BOT-BC38832  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-5-7 3110 Humboldt Elk Ridge, near Eel Rock Comment
  UC1225895  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1942-7-18 17285 Humboldt Garberville 152 Comment
  UCD52684  Arctostaphylos nevadensis Joseph P. Tracy 1939-8-16 16405 Humboldt Horse Mountain. 1432 Comment
  CAS-BOT-BC46629  Arctostaphylos patula L. B. Kildale 1930-8-3 10486 Humboldt Chaparral Mt. at Bug Creek. Comment
  CAS-BOT-BC46638  Arctostaphylos patula C. Hart Merriam 1919-8-10 s.n. Humboldt Wetchpek, Klamath Canyon. Comment
  CAS-BOT-BC43987  Arctostaphylos uva-ursi Paul Covel 1939-8-7 s.n. Humboldt near Eureka Comment
  HSC28130  Arctostaphylos uva-ursi J. D. Ackerman, A. M. Montalvo 1973-3-27 42 Humboldt 1.5 mi. N of Manila Comment
  HSC7734  Arctostaphylos uva-ursi Jerry Parker 1968-10-16 14 .1 Humboldt Foot of Murray Rd., McKinleyville Comment
  RSA152314  Arctostaphylos uva-ursi Joseph P. Tracy s.n. Humboldt Eureka. 46 Comment
  UCD52032  Arctostaphylos uva-ursi Joseph P. Tracy 1940-10-3 16740 Humboldt Near Samoa, on Humboldt Bay. Comment
  CAS-BOT-BC526230  Arctotheca calendula Larry Pries; Charles Lawrence 1989-6-8 s.n. Humboldt Larry Pries dairy, W of Ferndale, on Centerville Beach Rd Comment
  CAS-BOT-BC526231  Arctotheca calendula G. D. Barbe 1988-7-18 4293 Humboldt Larry Pries dairy, 3.4 mi W of Main St., on Centerville Beach Rd, Ferndale Comment
  CAS-BOT-BC64584  Armeria maritima subsp. californica Ira L. Wiggins 1930-7-11 4683 Humboldt Near Samoa. Comment
  HSC40932  Armeria maritima subsp. californica Linda M. Barker 1976-6-1 1553 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC48067  Armeria maritima subsp. californica Thomas W. Nelson 1978-4-23 3879 Humboldt N of Samoa Comment
  RSA89768  Armeria maritima subsp. californica P. A. Munz 1954-7-25 19874 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  CHSC23908  Armeria maritima var. californica N. Dennis; D. E. Anderson 1965-6-8 108 Humboldt Samoa Peninsula along the west side of Humboldt Bay. Sand dunes and flats along the ocean. Comment
  CAS-BOT-BC82103  Arnica cernua Thomas Nelson 1974-5-30 1345 Humboldt along the Hoopa-Redwood Valley Road Comment
  JEPS20979  Arnica cordifolia Joseph P. Tracy 1935-7-30 14372 Humboldt s of Red Cap Lake; Salmon Summit 2011 Comment
  RSA12448  Arnica discoidea C. B. Wolf 1934-7-1 5845 Humboldt 2.7 mi from Briceland on rd. to Shelter Cove. 91 Comment
  UCD135923  Arrhenatherum elatius R. Wenk; P. Hopkinson, M. Hammond, and S. Spiegal 2008-6-6 832 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air mile north of Mattole Road, about 3 air miles west of Highway 101. 243 Comment
  UCD56029  Arrhenatherum elatius Joseph P. Tracy 1950-6-15 18781 Humboldt 5 miles north of Harris. Near top of Mail Ridge. 1066 Comment
  RSA289423  Artemisia dracunculus Lyman Benson 1929-7-16 1824 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  CAS-BOT-BC90872  Artemisia pycnocephala Tom Craig 1941-6-29 s.n. Humboldt Samoa Comment
  CHSC68778  Artemisia pycnocephala Vernon H. Oswald 1997-6-5 8542 Humboldt North Spit of Humboldt Bay 3.7 mi south of Hwy. 255, Orvil Wilson Memorial Off-road Vehicle Park opposite the junction of New Navy Base Rd. and Lincoln Ave. 6 Comment
  UC204825  Artemisia suksdorfii Joseph P. Tracy 1918-7-1 4973 Humboldt 3 mi s point of cape; Northern Coast Ranges, Cape Mendecino 3 Comment
  UC205568  Artemisia suksdorfii Joseph P. Tracy 1918-7-1 4973 Humboldt 3 mi s point of cape; Northern Coast Ranges, Cape Mendecino 3 Comment
  HSC98066  Aruncus dioicus var. acuminatus Cara Witte 2007-7-12 515 Humboldt Forest Service Road 5N10. 2 miles east of intersection with National Forest 1. 1339 Comment
  UC154231  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  RSA46470  Aruncus sylvester Doris K. Kildale 1927-7-3 3663 Humboldt Willow Creek Flat. Comment
  CAS-BOT-BC400530  Asarum caudatum Peter H. Raven; R. Snow 1958-7-20 13642 Humboldt 1.1 miles south of junction of Friday Ridge Road on Titlow Hill Road, near Grouse Ridge Comment
  HSC24387  Asarum caudatum J. O. Sawyer 1970-6-24 2257 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  HSC57145  Asarum caudatum Overton, Butler 1979-7-26 9936 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  POM279301  Asarum caudatum Lyman Benson 1928-7-12 s.n. Humboldt Weott Ranger Station. Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  HSC97950  Asarum hartwegii Cara Witte 2007-6-28 388 Humboldt Forest Service Road 6N08 (Friday Ridge Road). Near mile post 9.31 1278 Comment
  UC1173689  Asclepias fascicularis Joseph P. Tracy 1939-7-16 16349 Humboldt Garberville 152 Comment
  HSC102064  Aspidotis densa M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 966 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC76303  Aspidotis densa Denis Kearns 1981-6-24 14 Humboldt Near Cedar Camp 1219 Comment
  POM182350  Aspidotis densa Joseph P. Tracy 1912-7-26 3849 Humboldt Kneeland Prairie 762 Comment
  UC302329  Aspidotis densa Charlotte M. Wilder 1912-10-1 Humboldt ca. 6 mi above Kuntz P.O. (Upper Van Duzen River) 914 Comment
  SEINET201024  Aster engelmannii J. P. Tracy 1919-9-18 5227 Humboldt Trinity Summit 1890 Comment
  CAS-BOT-BC193134  Astragalus rattanii var. rattanii Volney Rattan 1883-6-13 s.n. Humboldt Bug Creek, a tributary of Mad Riv. Comment
  CAS-BOT-BC193135  Astragalus rattanii var. rattanii Doris K. Kildale 1926-7-11 2350 Humboldt Bear River at Capetown Comment
  CAS-BOT-BC193138  Astragalus rattanii var. rattanii Frank W. Peirson 1926-7-15 7058 Humboldt Mad River, vicinity of Blue Lake Comment
  UC82583  Astragalus rattanii var. rattanii J. W. Blankinship 1893-6-15 Humboldt Bridgeville Comment
  RSA90753  Astragalus rattanii var. rattanii F. W. Peirson 1926-7-13 7058 Humboldt Near Blue Lake, Mad River. Comment
  CHSC118459  Astragalus umbraticus Courtney Wilson; Matt Groberg, Bob Meinke 2011-6-30 Humboldt On Green Diamond Resourse Company private land. Roadside edge on west slope of French Camp Ridge. 853 Comment
  HSC56967  Asyneuma prenanthoides Overton, Butler 1979-7-23 9491 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC69890  Asyneuma prenanthoides Thomas W. Nelson, Jane P. Nelson 1977-7-30 3662 Humboldt Beside State Rte. 36, 1 mi. E of Dinsmore. 732 Comment
  HSC43206  Asyneuma prenanthoides R. Sutherland 1976-8-13 27 .13876 Humboldt Mouth of Redwood Creek at S Fork of Eel River 87 Comment
  UC1222660  Athysanus pusillus Joseph P. Tracy 1950-4-20 18627 Humboldt 4 mi se of Low Gap (above Kuntz, Van Duzen River); Van Duzen River 792 Comment
  UCD56151  Avena barbata A. H. Murphy 1951-2-28 5 Humboldt South of Petrolia. Comment
  CHSC26753  Baccharis douglasii M. S. Taylor 1977-7-5 1428 Humboldt Around bridge over Eel River at the turnoff from Hwy 101 to Ferndale, in Fernbridge. Comment
  POM318604  Baccharis douglasii Patricia Wilder 1968-8-21 4410 Humboldt Northern Coastal arm of Humboldt Bay, NW of Samoa, on E side of train tracks. 3 Comment
  JEPS21244  Baccharis glutinosa Lincoln Constance 1934-5-29 712 Humboldt Upper Look Prairie Bull Creek Region, South Fork Eel River 365 Comment
  RSA46911  Baccharis pilularis Doris K. Kildale 1925-12-25 1441 Humboldt Mouth of Eel River Comment
  CHSC19741  Baccharis pilularis subsp. consanguinea Gary J. Stebbins 1970-2-2 7 Humboldt Along U. S. 101 1.5 miles north of Patricks Point State Park. 83 Comment
  HSC37823  Baccharis pilularis subsp. consanguinea Thomas W. Nelson, Jane P. Nelson 1976-2-21 2252 Humboldt Tish-Tang campground Comment
  HSC20475  Bellardia trixago R. T. Forester 1963-5-6 46 Humboldt 1 mi. S of Fairhaven on Samoa Rd. Comment
  JEPS25618  Bellis perennis Rimo Bacigalupi 1959-7-7 7251 Humboldt immediately behind bluff headland of Cape Mendocino Cape Mendocino 30 Comment
  UC1198383  Berberis nervosa J. P. Tracy 1903-8-9 1941 Humboldt vicinity of Eureka 0 Comment
  CAS-BOT-BC75799  Berberis pinnata Doris K. Kildale 1927-3-6 3001 Humboldt McDowell Butte. 914 Comment
  RSA24106  Berberis pinnata C. B. Wolf 1941-3-2 9989 Humboldt N. Coast Range. Bull Creek-Petrolia Road. 1/4 mi. s. of Panther Gap. 549 Comment
  UCD129580  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. From Orleans down the river. 121 Comment
  CAS-BOT-BC66269  Blechnum spicant W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  HSC98997  Blechnum spicant Cara Witte 2008-7-28 959 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1641 Comment
  RSA12514  Blechnum spicant C. B. Wolf 1934-7-3 5922 Humboldt 2.7 miles from Martin s Ferry on Orick Road 213 Comment
  RSA182023  Boisduvalia glabella Joseph P. Tracy 1916-6-19 4726 Humboldt Northern coast ranges: Dobbyn Creek 183 Comment
  HSC7509  Bolboschoenus maritimus subsp. paludosus Paul Shields 1955-9-15 Humboldt 4 mi. NW of Arcata. Comment
  HSC31637  Borago officinalis Glenn McGourty 1974-6-1 85 Humboldt Comment
  HSC37396  Boykinia occidentalis Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 510 Humboldt Along Lost Man Creek. 38 Comment
  HSC99841  Boykinia occidentalis C. B. Wolf 1927-8-22 798 Humboldt Big Lagoon Comment
  CAS-BOT-BC420255  Boykinia occidentalis John Thomas Howell 1931-6-17 6722 Humboldt 18 miles n. of Arcata on Redwood Highway Comment
  CAS-BOT-BC420272  Boykinia occidentalis L. R. Abrams 1916-7-21 6149 Humboldt Grizzly Creek Comment
  POM274466  Boykinia occidentalis Lyman Benson 1928-7-12 388 Humboldt Weott Ranger Station. Seaward N Coast mtn range. S Fork Eel River. 61 Comment
  HSC37961  Brassica rapa Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  SEINET10468010  Briza maxima Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-8-6 Dziekanowski 2503 Humboldt Collected in the vicinity of a state park on the beach opposite McKinleyville. Vast colony of yellow Lupinus arboreus. 3 Comment
  HSC48476  Briza minor J. P. Smith, J. O. Sawyer, J. Cole 1978-5-21 9931 Humboldt Ishi Pishi Rd., 2.5 mi. from its junction with Hwy. 96 in Orleans 213 Comment
  HSC38619  Brodiaea elegans subsp. elegans D. E. Anderson, J. P. Smith 1971-6-21 1107 Humboldt 16.2 miles E of Garberville on road to Alderpoint. Comment
  JEPS517  Brodiaea elegans subsp. elegans Joseph P. Tracy 1936-8-2 15067 Humboldt French Camp Ridge 1066 Comment
  UCSB19699  Brodiaea elegans subsp. elegans Myrick, Donald 1964-7-26 Humboldt State Highway 299, 15 mi E of Arcata 762 Comment
Read comments
Feb 16 2009
  JEPS7652  Brodiaea elegans subsp. elegans Milo S. Baker 1923-7-28 131 a Humboldt near camp on South Fork Yager Creek Comment
  UC666909  Brodiaea elegans subsp. elegans Joseph P. Tracy 1938-7-15 16060 Humboldt low sandy fields Eureka, Bucksport 9 Comment
  HSC32104  Brodiaea stellaris D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5697 Humboldt McKeown Ranch, N of Dinsmore Comment
  CAS-BOT-BC486506  Brodiaea stellaris Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC91591  Brodiaea terrestris subsp. terrestris E. Mackey 1986-6-18 Humboldt Patrick's Point State Park on Ceremonial Rock Comment
  UC1197740  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1928-5-20 8441 Humboldt halfway between the ocean and Petrolia; Northern Coast Ranges, Mattole Valley 91 Comment
  RSA91688  Bromus carinatus F. W. Peirson 1941-7-23 13118 Humboldt Van Damme State Park. Along the creek about 2 miles from camp. Comment
  HSC99002  Bromus carinatus var. carinatus Cara Witte 2007-6-28 391 Humboldt Intersection of 6N08 (Friday Ridge Road) and 5N39. 1475 Comment
  SEINET201049 Image available Bromus carinatus var. carinatus Joseph P. Tracy 1925-7-5 7162 Humboldt High Prairie on Bald Mountain 1067 Comment
  UC1103274  Bromus carinatus var. carinatus J. P. Tracy 1900-7-4 883 Humboldt opposite Eureka (Ocean Beach at Somoa); Samoa, Ocean Beach Comment
  UC1103276  Bromus carinatus var. carinatus J. P. Tracy 1900-5-28 817 Humboldt immediate vicinity of Eureka 0 Comment
  UC37586  Bromus carinatus var. carinatus Joseph Burtt Davy 1899-6-8 5351 Humboldt near Bell's Springs Comment
  UC37601  Bromus carinatus var. carinatus J. Burtt Davy 1899-6-27 5879 Humboldt range near summit of Bald Hill (above Hupa Valley) Comment
  UCD59205  Bromus carinatus var. marginatus A. H. Shunk 1923-7-12 24 Humboldt Briceland. Comment
  UC249501  Bromus carinatus var. maritimus Joseph P. Tracy 1922-5-28 6054 Humboldt Little River Beach; Northern Coast Ranges, Little River Beach 6 Comment
  UCD60204  Bromus catharticus var. elatus A. H. Murphy 1947-8-19 s.n. Humboldt Fairground's exper. area. Fortuna. Comment
  UC1145143  Bromus commutatus Joseph P. Tracy 1917-6-24 4824 Humboldt along Eel River from South Fork to Scotia, Holmes Flat Holmes Flat; Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  UC1145182  Bromus diandrus Joseph P. Tracy 1950-6-15 18775 Humboldt 5 mi n of Harris (Mail Ridge); Mail Ridge 944 Comment
  RSA152297  Bromus marginatus Joseph P. Tracy 1950-6-15 18786 Humboldt Mail Ridge. North of Harris 7 miles. 1037 Comment
  HSC72631  Bromus vulgaris J. P. Smith 1977-7-3 9252 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  UC1199255  Cacaliopsis nardosmia Joseph P. Tracy 1908-6 2822 Humboldt nw slope of Buck Mountain Buck Mountain 1219 Comment
  HSC39981  Cakile maritima Linda M. Barker 1976-4-30 1418 Humboldt 3 mi. W of Arcata Comment
  UC673073  Cakile maritima Joseph P. Tracy 1940-9-21 16724 Humboldt near Samoa (on Humboldt Bay); Humboldt Bay 3 Comment
  RSA91828  Calamagrostis bolanderi F. W. Peirson 1941-7-28 13115 Humboldt at Patrick's Point State Park Comment
  HSC76535  Calamagrostis nutkaensis D. K. Imper 1981-7-21 897 Humboldt Near Table Bluff 38 Comment
  JEPS72919  Calamagrostis nutkaensis Lincoln Constance 1934-6-25 923 Humboldt Englewood Bull Creek Region, South Fork Eel River (4 mi n of Dyerville and of n boundary of Humboldt Redwood Park, on Redwood Hwy) Comment
  UC1103287  Calamagrostis nutkaensis Joseph P. Tracy 1918-7-21 5079 Humboldt Humboldt Hill Northern Coast Ranges, <area> around Humboldt Bay 182 Comment
  UC673026  Calandrinia ciliata Joseph P. Tracy 1933-7-3 12638 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1103694  Callitriche heterophylla Joseph P. Tracy 1934-6-23 13249 Humboldt near Blue Lake (along Mad River); Mad River 15 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
  HSC3804  Callitriche trochlearis Rollin Sparrowe 1962-5-16 3 Humboldt In ditch next to road Comment
  HSC58002  Calocedrus decurrens G. L. Clifton, Griswold 1979-7-31 11787 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  OBI7411  Calocedrus decurrens H. E. McMinn July1922 278 Humboldt 1 mi E of Dinsmore Comment
  CAS-BOT-BC80383  Calocedrus decurrens H. E. McMinn 1922-7-1 278 Humboldt 1 mile east of Dinsmore Comment
  UC1197681  Calochortus amabilis Joseph P. Tracy 1935-5-25 13895 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC488453  Calochortus amabilis H. D. Ripley; R. C. Barneby 1948-6-16 6813 Humboldt South of Miranda 121 Comment
  JEPS17804  Calochortus amabilis Joseph P. Tracy 1916-6-19 4711 Humboldt Laribee Creek, at Bosworth's Northern Coast Ranges 457 Comment
  UCD18587  Calochortus amabilis Roman Gankin 1956-3-17 107 Humboldt off US Hwy 101, south boundary of Jenson Grove, near creek. Comment
Read comments
Feb 17 2006
  HSC48760  Calochortus coeruleus Brad Klipfel 1973-6-10 74 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS17771  Calochortus coeruleus W. L. Jepson Jul 16 1902-Jul 23 1902 2035 Humboldt Trinity Summit 2133 Comment
  UC667131  Calochortus coeruleus Joseph P. Tracy 1932-7-12 10483 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  CAS-BOT-BC488620  Calochortus elegans var. nanus Doris Kildale Gillespie 1931-6-7 10586 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC45279  Calochortus tolmiei Clifton Raymond Chesbrough 1971-7-7 47 Humboldt 0.5 mi. N of Trinidad near ocean Comment
  RSA0120938  Caltha biflora Joseph P. Tracy 1951-6-14 19408 Humboldt Snow Camp. 1402 Comment
  HSC103109  Caltha leptosepala M. Mesler 2010-7-15 832 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  UC127837  Calycadenia fremontii Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa Comment
  HSC16572  Calypso bulbosa Norman H. Moe 1962-4-26 Humboldt Lanphere's Place Comment
  UC4379  Calypso bulbosa Harley P. Chandler June, 1901 1280 Humboldt North Coast Ranges, Hupa Indian Reservation Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 1097 Comment
  RSA394825  Calystegia soldanella E. A. Purer 1932-7-27 4140 Humboldt Samoa Comment
  UCD126159  Calystegia soldanella Linda M. Barker 1976-6-1 1559 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCD126163  Calystegia soldanella Roman Gankin 1965-8-6 559 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  HSC33058  Camassia quamash subsp. linearis Thomas W. Nelson 1974-5-7 1237 Humboldt Beside Kneeland Rd. 0.5 mi. N of Kneeland School Comment
  UC1197667  Camassia quamash subsp. quamash Joseph P. Tracy 1933-5-20 12272 Humboldt Cape Ridge back of Cape Mendocino; Cape Ridge 304 Comment
  UC1196941  Camissonia contorta Joseph P. Tracy 1901-4-14 1028 Humboldt Samoa Northern Coast Region, Humboldt Bay Comment
  JEPS11849  Campanula prenanthoides Lincoln Constance 1934-6-11 854 Humboldt Lower Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  SEINET10462961  Campanula prenanthoides Philip A. Munz 1936-8-10 Munz 14338 Humboldt Dry roadside, Lottle Van Duzen River, 15 miles east of Bridgeville Comment
  SEINET10462969  Campanula prenanthoides Shields SHIELDS s.n. Humboldt 3 miles northwest of Weott Comment
  SEINET10463039  Campanula prenanthoides Tracy 1909-8-1 TRACY 3061 Humboldt KNEELAND PRAIRIE, WOODS, GRAVELLY SOIL 762 Comment
  SEINET10905926  Campanula prenanthoides Kildale 1930-7-7 KILDALE 10263 Humboldt Chaparral Mountain at Bug Creek 914 Comment
  SEINET10972392  Campanula prenanthoides Perry 1930-7-11 Perry s.n. Humboldt Humboldt State Park Comment
  SEINET10873297  Campanula scouleri Griswold 1979-7-11 GRISWOLD 6978 Humboldt NEAR SNOW CAMP, IAQUA BUTTES QUAD. CLOSE TO THE TOWN OF WILLOW CR. EVERGREEN CONIFER FOREST, LAKE SIDE 1393 Comment
  SEINET10463645  Campanula scouleri Ira L. Wiggins 1930-7-22 Wiggins 4699 Humboldt ALONG BANK OF REDWOOD CR. BTWN BLUE L. & WILLOW CR. Comment
  UC302119  Cardamine angulata Joseph P. Tracy 1926-5-22 7510 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  CAS-BOT-BC37419  Cardamine californica LeRoy Ellsworth Detling 1935-4-20 1643 Humboldt Redwood flat, 1 mile north of Dyerville. Comment
  CAS-BOT-BC37421  Cardamine californica LeRoy Ellsworth Detling 1935-4-22 1646 Humboldt Redwoods, Prairie Creek Fish Hatchery. Comment
  HSC45593  Cardamine californica Diane L. Reed 1978-4-22 38 Humboldt Trinidad Head Comment
  HSC6698  Cardamine californica Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  UCD114184  Cardamine californica Joseph M. DiTomaso 1976-3-28 358 Humboldt just east of summit on Highway 299, 8 miles west of Willow Creek. 762 Comment
  CHSC499  Cardamine californica var. sinuata G. Spurlock 1935-3-9 Humboldt Van Duzen river. Comment
  HSC6642  Cardamine oligosperma D. B. Bader 1963-3-29 29 Humboldt Second of Clam Beach Lagoons, W of Hwy. 101 Comment
  HSC27556  Cardamine oligosperma J. D. Ackerman, A. M. Montalvo 1973-5-6 73 Humboldt 3 mi. NW of Weott on Avenue of the Giants Comment
  HSC6649  Cardamine oligosperma W. F. Nickel 1965-3-13 Humboldt 10 mi. W of Prairie Creek State Park, 0.25 mi. S of Fern Canyon on road to Fern Canyon Comment
  RSA32661  Cardionema ramosissimum Doris K. Kildale 1925-7-2 904 Humboldt Table Bluff beach. Comment
  UC1225795  Cardionema ramosissimum Joseph P. Tracy 1947-7-3 17765 Humboldt at mouth of Little River 6 Comment
  UC1222956  Carduus pycnocephalus subsp. pycnocephalus Joseph P. Tracy 1947-6-8 17703 Humboldt vicinity of, 1/2 mi w of town Carlotta 30 Comment
  UC1222954  Carduus tenuiflorus Joseph P. Tracy 1942-6-28 17266 Humboldt toward Hungry Hollow Angel's Ranch; Bald Mountain, Hungry Hollow Comment
  JEPS25976  Carex amplifolia Joseph P. Tracy 1935-6-23 13986 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC18008  Carex arcta Joseph Prince Tracy 1934-7-13 13389 Humboldt Dow's Prairie. 60 Comment
  UCD23239  Carex athrostachya Collector Unknown 1971-8-13 s.n. Humboldt Bear River Res. Comment
  CAS-BOT-BC19216  Carex barbarae Henry M. Pollard 1948-7-29 s.n. Humboldt Near Woodson Mine - Near Orleans. Comment
  HSC63873  Carex bolanderi M. A. Baker 1979-6-29 962 Humboldt Hopkins Creek 750 Comment
  UC1103111  Carex bolanderi Joseph P. Tracy 1933-6-13 12595 Humboldt Hoopa Mountain, near summit on road west from Hoopa to Bair's 1066 Comment
  JEPS109270  Carex diandra D. W. Taylor 2004-6-23 19127 Humboldt Pond on the divide between Frost Creek and Martin Creek, about 1 air mile e of the Alderpoint road. Comment
  CAS-BOT-BC19860  Carex echinata subsp. echinata Joseph Prince Tracy 1933-7-25 12845 Humboldt North Coast Ranges. Grouse Mountains. 1524 Comment
  CHSC90287  Carex echinata subsp. echinata Thomas W. Nelson; Jane P. Nelson 1987-6-11 8602 Humboldt North Coast Ranges. Box Spring at Box Camp. Along trail to North Trinity Mountain. 1524 Comment
  UC1103127  Carex echinata subsp. echinata Joseph P. Tracy 1923-6-24 6372 Humboldt in cold wet meadow near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  CHSC85994  Carex exsiccata L. P. Janeway 2003-7-30 7941 Humboldt High North Coast Ranges. Small pond, on map but un-named, on the southwest side of Titlow Hill Road 1.1 km south of Cold Spring. 1426 Comment
  CAS-BOT-BC21280  Carex fracta Joseph Prince Tracy 1937-7-25 15542 Humboldt Trinity Summit. Head of Hors-Linto Creek. 1371 Comment
  UC303017  Carex geyeri Joseph P. Tracy 1926-6-20 7639 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  CAS-BOT-BC20878  Carex globosa Harold Ernest Parks; Joseph Prince Tracy 1942-5-16 11556 Humboldt Vicinity of Garberville. 152 Comment
  CAS-BOT-BC20874  Carex globosa Joseph Prince Tracy 1932-4-3 9791 Humboldt North Coast Ranges. Englewood. 91 Comment
  UC197207  Carex gynodynama Joseph P. Tracy 1908-6-7 2620 Humboldt Northern Coast Ranges, Butler Valley. Comment
  UC197229  Carex gynodynama Joseph P. Tracy 1906-4-29 2430 Humboldt Northern Coast Region, south slope of Humboldt Hill. Comment
  CHSC90274  Carex lenticularis var. impressa Thomas W. Nelson; Jane P. Nelson 1987-6-11 8598 Humboldt North Coast Ranges. Box Spring at Box Camp. Along trail to North Trinity Mountain. 1524 Comment
  POM126517  Carex lenticularis var. limnophila Joseph P. Tracy 1923-6-17 6275 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC21120  Carex leptalea Joseph Prince Tracy 1918-7-21 5086 Humboldt Northern Coast Range. Humboldt Hill. 91 Comment
  CAS-BOT-BC31469  Carex leptopoda Charles Vancouver Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CAS-BOT-BC31582  Carex luzulina var. luzulina Doris K. Kildale 1931-5-10 10692 Humboldt Snow Camp. Comment
  JEPS101126  Carex mendocinensis Dean W. Taylor 1991-8-15 12296 Humboldt ridge 1 mile West of Horse Mountain 1493 Comment
  CHSC84738  Carex microptera L. P. Janeway 2003-7-26 7920 Humboldt High North Coast Ranges. South side (above) Road 5N04, 0.5 km northeast of the top of Grouse Mountain. 1554 Comment
  HSC26097  Carex multicostata J. O. Sawyer 1970-6-27 2303 Humboldt 1829 Comment
  CAS-BOT-BC119544  Carex nudata L. P. Janeway 1983-7-23 437 Humboldt Hoopa quad. Along the W side Klamath River at Aikens Creek. 91 Comment
  CAS-BOT-BC119548  Carex nudata A. A. Heller 1923-7-10 13797 Humboldt Along the Eel River between Scotia and Pepperwood Comment
  UCR40087  Carex nudata L. P. Janeway 1983-7-23 435 Humboldt Blue Lake Q., North Fork of Mad River at the old Hwy 299 bridge (near the new bridge). 40 Comment
  CAS-BOT-BC119545  Carex nudata L. P. Janeway 1983-7-23 438 Humboldt Orleans quad. Along the E side Klamath River at N end of Dolan Bar ca 1 mi N of Orleans 91 Comment
  UC202482  Carex nudata J. P. Tracy 1903-5-22 1885 Humboldt Alder Point, Cahto Creek 152 Comment
  CHSC23307  Carex obnupta Robert F. Thorne; P. Everett 1965-8-7 35199 Humboldt Big Lagoon; at edge of bog at S end of lagoon. 1 Comment
  UC202449  Carex obnupta Joseph P. Tracy 1906-8-18 2546 Humboldt Eureka Northern Coast Region 0 Comment
  CAS-BOT-BC119227  Carex pachystachya Joseph Prince Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC119221  Carex pachystachya Harold Ernest Parks; Joseph Prince Tracy 1935-6-16 11271 Humboldt Buck Mt. Lower NW slope. 792 Comment
  UC1103094  Carex pachystachya Joseph P. Tracy 1923-6-24 6352 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC562663  Carex pachystachya Joseph P. Tracy 1927-5-29 8077 Humboldt Big Lagoon Northern Coast Region 6 Comment
  SEINET10709360  Carex rossii Joseph P. Tracy 1949-5-8 Tracy 18295 Humboldt Open flat by old Strong's District School House, 5 miles east of town. 61 Comment
  JEPS25961  Carex subbracteata Joseph P. Tracy 1918-7-5 5017 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley 304 Comment
  RSA794382  Carex subbracteata P. F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles southeast of Route 299 at Berry Summit, 1 air km southwest of Horse Mountain. Outer North Coast Ranges. 1190 Comment
  JEPS109249  Carex subfusca D. W. Taylor 2007-7-11 20161 Humboldt Six Rivers National Forest, Horse Mountain, Titlow Hill Road at the junction with Forest Road 6N18. Comment
  HSC103143  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1154 Humboldt Patterson Meadows 1555 Comment
  JEPS109269  Carex unilateralis D. W. Taylor 2004-6-24 19135 Humboldt Clear Lake, Titlow Hill Road Comment
  CAS-BOT-BC115542  Carex unilateralis Joseph Prince Tracy 1933-6-9 12539 Humboldt Fortuna, Bed of winter pool. 18 Comment
  NY11391  Carex unilateralis J. P. Tracy 1912-7-21 3783 Humboldt 30.5 Comment
  UC303072  Carex unilateralis Joseph P. Tracy 1908-7-22 2902 Humboldt near summit of ridge between Van Duzen and Mad Rivers, on Dinsmore's Ranch 1066 Comment
  CAS-BOT-BC115285  Carex utriculata Joseph Prince Tracy 1934-8-29 13622 Humboldt South Fork Mountain; in wet meadow at McKay Camp Comment
  UC1103618  Carex vesicaria Joseph P. Tracy 1937-7-29 15693 Humboldt McKay Camp South Fork Mountain 1676 Comment
  HSC59487  Carpobrotus edulis M. A. Ericksen 1979-4-29 238 Humboldt Across from the Samoa Cookhouse, Samoa, on Samoa Peninsula. Comment
  RSA12515  Castanopsis Carl B. Wolf 1934-7-3 5921 Humboldt 6 mi. from Martin's Ferry on Orick Rd. 305 Comment
  RSA47163  Castilleja affinis Doris K. Kildale 1927-1-17 2985 Humboldt Alton hill. Comment
  JEPS15614  Castilleja affinis subsp. litoralis Rimo Bacigalupi with G. Thomas Robbins and C. L. Custer 1954-8-11 4758 Humboldt 1.2 mi s Trinidad Comment
  JEPS88811  Castilleja affinis subsp. litoralis T. I. and F. M. Chuang 1991-7-8 7874 Humboldt ca 2 mi sw Orick Comment
  UC582580  Castilleja affinis subsp. litoralis Joseph P. Tracy 1926-6-18 7606 Humboldt e of Fields Landing; Humboldt Hill 152 Comment
  UC902251  Castilleja affinis subsp. litoralis Joseph P. Tracy 1947-5-24 17692 A Humboldt Big Lagoon 152 Comment
  POM92403  Castilleja ambigua subsp. humboldtiensis L. R. Abrams 1922-6-25 8249 Humboldt Humboldt Bay, east of Arcata. Comment
  CHSC95387  Castilleja exserta C. Sander 2005-8-16 CA 330 -81 Humboldt Ecoregion 14. Humboldt County. Manila Dunes ACEC. 3 Comment
  UC582576  Castilleja foliolosa Joseph P. Tracy 1934-7-9 13329 Humboldt 5 mi s Harris; Mail Ridge 762 Comment
  RSA518654  Castilleja litoralis L. R. Heckard, T. I. Chuang 1971-7-1 2667 Humboldt Slope at south end of Freshwater Lagoon, 2 miles southwest of Orick. Comment
  HSC56127  Castilleja miniata G. L. Clifton, Griswold 1979-8-1 11925 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC76048  Castilleja miniata Overton, Butler 1979-8-2 12544 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  CDA18988  Castilleja miniata subsp. miniata P. Haggard 2000-8-22 PDR 071958 Humboldt Hoopa Valley Reservation; Along Big Hill Rd., Hoopa. 0 Comment
  HSC72569  Castilleja pruinosa J. P. Smith, J. O. Sawyer 1976-5-2 8628 Humboldt S. R. 96, 4.9 mi. N of its junction with S.R. 299 122 Comment
  HSC39058  Castilleja rubicundula subsp. lithospermoides Thomas W. Nelson, Jane P. Nelson 1976-5-31 2644 Humboldt N of junction of FS Rds. 1S07 and 5E27 along 5E27 1524 Comment
  UC582570  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1927-5-8 7985 Humboldt vicinity Garberville 121 Comment
  UC1502102  Ceanothus R. Sutherland 1975-7-4 3 .4.7 75 Humboldt se corner of S 11 Pt. Delgada Quad. 548 Comment
  CAS-BOT-BC48529  Ceanothus cordulatus Doris Kildale Gillespie 1931-6-7 10618 Humboldt South Fork Mt. Blake Lookout 1726 Comment
  HSC35785  Ceanothus cordulatus Thomas W. Nelson, B. Reinhardt 1975-7-30 2098 Humboldt Head of Pilot Creek, Last Chance Ridge Comment
  UC668171  Ceanothus cordulatus Joseph P. Tracy 1933-7-11 12681 Humboldt Cold Springs Grouse Mt. 1432 Comment
  CAS-BOT-BC49657  Ceanothus foliosus var. foliosus C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Ridge near Needle Roack Cross Roads, SW corner of Humboldt Co. Comment
  RSA600899  Ceanothus foliosus var. foliosus Louis C. Wheeler 1959-8-1 7619 Humboldt Queens Peak Mine. Comment
  HSC43194  Ceanothus incanus R. Sutherland 1975-5-13 9 .13575 Humboldt 579 Comment
  HSC59445  Ceanothus integerrimus Kenneth Clark 1979-5-15 305 Humboldt Tish Tang State Campground, 11 mi N of Willow Creek on Hwy. 96 Comment
  OBI10458  Ceanothus integerrimus Carl B. Wolf 1937-8-13 9235 Humboldt North Coast Range, 8 mi E of Hoopa Valley on New road towards Trinity summit 1219 Comment
  UC164817  Ceanothus integerrimus J. P. Tracy 1903-5-24 1907 Humboldt Alder Point Eel River 152 Comment
  HSC37082  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-5-8 6 .8575 Humboldt County rd. 4 mi SE of Honeydew 259 Comment
  UC1193285  Ceanothus oliganthus var. sorediatus P. Zinke 1950-8-26 157 Humboldt Salmon Creek 3 mi w Miranda; Quad. 29C1, Salmon Creek 91 Comment
  UC176049  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1913-6-27 4354 Humboldt Near Bridgeville McClellan Mountain, Northern Coast Ranges 457 Comment
  HSC18311  Ceanothus parryi C. B. Wolf 1927-8-30 1245 Humboldt Ettersburg Comment
  UC18401  Ceanothus parryi Bolander Jun 1867 6572 bis Humboldt Comment
  UC775012  Ceanothus parryi Carl B. Wolf 1941-7-27 11086 Humboldt on TD. to Freshwater 5.8 mi w Maple Creek; North Coast Ranges, w Maple Creek on TD. to Freshwater 609 Comment
  UCD112499  Ceanothus parryi B. L. Kay 1955-6-2 s.n. Humboldt Wagner Ranch, 5 miles southwest of Graberville. Comment
  HSC23294  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1311 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  HSC23295  Ceanothus pumilus D. E. Anderson, J. P. Smith 1971-7-6 - 1305 Humboldt Horse Mtn. 10 mi W of Willow Creek 1524 Comment
  CAS-BOT-BC52981  Ceanothus thyrsiflorus Mrs. Rachel Ellery 1916-4-1 s.n. Humboldt Beatrice Comment
  HSC18335  Ceanothus thyrsiflorus W. K. Parks Jun 1932 1357 Humboldt Trinidad Comment
  HSC27613  Ceanothus thyrsiflorus R. Sutherland 1975-5-28 3 .28575 Humboldt Tolkan Recreation Site 488 Comment
  UC1222953  Centaurea cyanus Joseph P. Tracy 1948-8-8 18097 Humboldt halfway between Bridgeville and head of S. Yager Bridgeville Comment
  CDA42256  Centaurea diffusa R. Spadoni, Green 2002-10-9 PDR P 070865 Humboldt Northwestern California; Pacific Lumber Co, Scotia. 0 Comment
  UC153952  Centaurium davyi Joseph P. Tracy 1907-7-4 2585 Humboldt 0.5 mi n mouth of Little River; Northern Coast Ranges 15 Comment
  RSA120711  Centaurium muehlenbergii S. S. Tillett 1956-7-6 607 Humboldt Above Klamath River, along Ishi Rish Road, one mile north of Orleans. 168 Comment
  UC582863  Centaurium muehlenbergii P. A. Munz 1936-8-9 14329 Humboldt 5 mi n Humboldt-Mendocino County line (on Redwood Highway) Comment
  CDA38373  Centaurium tenuiflorum E. C. Whitney 1976-9-7 s.n. Humboldt Loleta. 0 Comment
  UC1198613  Centunculus minimus J. P. Tracy 1905-5-21 2182 Humboldt immediate vicinity of Eureka 0 Comment
  HSC70729  Cephalanthera austiniae Gail Newton 1980-7-14 1525 Humboldt Near Deadman Ridge 1097 Comment
  HSC98060  Cephalanthera austiniae Cara Witte 2007-7-11 495 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC1196467  Cephalanthera austiniae Joseph P. Tracy 1948-8-15 18149 Humboldt on ridge 2 mi. e. Grove's Prairie (Trinity Summit); Trinity Summit 1524 Comment
  UC666978  Cephalanthera austiniae Joseph P. Tracy 1937-7-24 15526 Humboldt 2 mi. s.e. Devil's Hole (Trinity Summit); Trinity Summit 1584 Comment
  HSC59895  Cephalanthera austiniae M. A. Baker 1979-6-28 943 Humboldt S of Mill Creek Comment
  SBBG2066  Cerastium arvense H. and M. Dearing 1933-5-16 236 Humboldt near Garberville Comment
  CAS-BOT-BC388164  Cerastium fontanum Henry M. Pollard 1948-7-21 s.n. Humboldt Near Orleans Comment
  SFV18532  Cerastium glomeratum H. Barnes 2002-5-4 39 Humboldt McKinleyville. Hiller Park. Hammond Trail, 0.2 km north from parking lot. 25 Comment
  UC1222946  Chaenactis douglasii var. douglasii Joseph P. Tracy 1947-7-9 17853 Humboldt Horse Mountain, top of Horse Mountain 1432 Comment
  HSC31980  Chamaecyparis lawsoniana Steve Selva, Roger Jensen 1974-8-19 25 Humboldt Horse Mtn. Ski Area Comment
  HSC72829  Chamaecyparis lawsoniana Gail Newton 1980-6-16 195 Humboldt Near Onion Mtn. 1280 Comment
  MACF027376  Chamaecyparis lawsoniana S. R. Ganley 1972-3-26 1053 Humboldt Along Hwy. 299 365 Comment
  UC1198975  Chamaesyce serpyllifolia Joseph P. Tracy 1925-11-1 7299 Humboldt along Eel River (from South Fork to Scotia, Shively); Northern Coast Ranges 60 Comment
  UC198574  Chamaesyce serpyllifolia Joseph P. Tracy 1916-9-5 4769 Humboldt 4 mi above Eel River (South Fork); Northern Coast Ranges 60 Comment
  UCD103625  Chamerion angustifolium Linda M. Barker 1976-8-24 1682 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC93743  Chamerion angustifolium subsp. circumvagum Gordon Leppig 1998-9-20 1103 Humboldt Mckinleyville, Hammond Trail, 100 m N of Fischer Ave. 18 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
  HSC70802  Cheilanthes gracillima Gail Newton 1980-7-24 1780 Humboldt Near Somes Mtn. 1615 Comment
  UC1222586  Chenopodium ambrosioides Joseph P. Tracy 1950-9-22 19377 Humboldt near Slate Creek (8 mi below Orleans); Klamath River 121 Comment
  RSA53826  Chenopodium ambrosioides var. ambrosioides H. M. Pollard 1946-9-1 s.n. Humboldt Near Wilson Creek, Orleans region Comment
  RSA44459  Chenopodium multifidum H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  CAS-BOT-BC451380  Chimaphila menziesii L. B. Kildale 1930-8-10 10530 Humboldt Snow Camp, head of Redwood Creek Comment
  CAS-BOT-BC451381  Chimaphila menziesii L. B. Kildale 1930-8-3 10363 Humboldt Chaparel Mt. at Bug Creek 914 Comment
  CAS-BOT-BC451387  Chimaphila menziesii T. Worley; M. Mill; F. Rosenthal 1985-5-10 56 Humboldt Horse Mountain Rd., approx. 8 miles S of Hwy. 299 1143 Comment
  JEPS58861  Chimaphila umbellata Chesnut and Drew 1888-7-8 Humboldt Kneeland Prairie Comment
  UC1197599  Chimaphila umbellata Joseph P. Tracy 1934-8-29 13634 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  CAS-BOT-BC237976  Chloropyron maritimum subsp. maritimum J. D. Ackerman 1975-8-2 615 Humboldt Humboldt Bay, across from Murray Field (Eureka Airport). Near railroad tracks and hwy. 101 Comment
  CAS-BOT-BC36481  Chrysolepis chrysophylla Doris K. Kildale 1926-9-5 2628 Humboldt Top of ridge at Goat Camp, Lassecks Peaks 1661 Comment
  CHSC23196  Chrysolepis chrysophylla Robert F. Thorne 1965-8-5 35134 b Humboldt Mt. Chamisal: below summit. 746 Comment
  POM270419  Chrysolepis chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge. 1067 Comment
  UC1196373  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1935-7-29 14348 Humboldt gap at head of Red Cap Creek connecting to Devil's Backbone (Trinity Summit); Trinity Summit 1524 Comment
  UC1198851  Chrysosplenium glechomifolium Joseph P. Tracy 1928-4-29 8422 Humboldt Prairie Creek; Northern Coast Ranges, Prairie Creek 152 Comment
  SD58271  Cicuta douglasii W. L. Jepson 1936-8-17 17930 Humboldt Marsh south of Salmon Creek Comment
  UC179916  Cicuta douglasii Joseph P. Tracy 1914-9-6 4612 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Ranges, Bald Mountain 1219 Comment
  UC314585  Cicuta douglasii Joseph P. Tracy 1925-7-5 7179 Humboldt near High Prairie (Northern Coast Ranges, Bald Mountain); Northern Coast Ranges, Bald Mountain 1066 Comment
  UC1103565  Circaea alpina subsp. pacifica Joseph P. Tracy 1932-7-15 10585 Humboldt ridges e. Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  SEINET3403284  Cirsium arvense R. W. Spellenberg, N. Zucker 2011-7-24 14302 Humboldt 8 km north of Ferndale on Grizzly Bluff Rd. 8 Comment
  POM289622  Cirsium arvense Lyman Benson 1929-7-12 1789 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  CAS-BOT-BC284442  Cirsium brevistylum John Thomas Howell 1931-6-17 6720 Humboldt 8 miles n. of Arcata Comment
  HSC40773  Cirsium brevistylum Thomas W. Nelson 1976-7-9 3014 Humboldt Along S.R. 36 just E of Heley Creek Comment
  CHSC114324  Cirsium douglasii B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd., 4.8 mi. S of Hwy 299. Comment
  CAS-BOT-BC279975  Cirsium douglasii var. douglasii John Thomas Howell 1937-7-31 13716 Humboldt 5 miles east of Berry Summit Comment
  JEPS30422  Cirsium douglasii var. douglasii Peter H. Raven with R. Snow 1958-7-20 13647 Humboldt 3.8 mi s U.S. Highway 299 (along Titlow Hill Road) Comment
  UC249821  Cirsium douglasii var. douglasii Joseph P. Tracy 1924-7-6 6717 B Humboldt near Ruby Creek (on the Willow Creek Highway); Northern Coast Ranges 609 Comment
  HSC94090  Cirsium occidentale var. venustum B. Villegas 1998-8-5 Humboldt Nr. Berry Summit on Titlow Hill Rd, 3.9 mi. S of Hwy. 299 Comment
  SEINET11836350  Cirsium pastoris J. P. Tracy 1942-1 17302 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC288719  Cirsium remotifolium Joseph P. Tracy 1921-7-31 5860 Humboldt Table Bluff 121 Comment
  HSC59685  Cirsium vulgare George Kirn 1977-10-30 Humboldt Near rail bridge over Elk River 6 Comment
  CAS-BOT-BC160970  Clarkia amoena subsp. amoena L. R. Abrams 1916-7-11 6020 Humboldt Mouth of Grizzly Creek on Van [Duzon] Duzen River - Redwood forest Comment
  CAS-BOT-BC160969  Clarkia amoena subsp. amoena P. A. Munz 1936-8-10 14339 Humboldt Little Van Duzen River, 15 mi. east of Bridgeville Comment
  RSA46476  Clarkia amoena subsp. huntiana Doris K. Kildale 1927-7-25 3836 Humboldt Table Bluff Comment
  JEPS43630  Clarkia amoena subsp. huntiana W. L. Jepson 1902-7-29 2126 Humboldt Three Creeks to Willow Creek (summit of grade) 1066 Comment
  UC20004  Clarkia concinna subsp. concinna Harley P. Chandler June, 1901 1325 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  JEPS25696  Clarkia concinna subsp. concinna P. C. Hutchison 1961-5-22 2028 Humboldt ca. 4 mi n Orleans (hiway 299, e side of river); Klamath River Comment
  UC1198506  Clarkia concinna subsp. concinna Joseph P. Tracy 1911-7-11 3512 Humboldt Supply Creek Northern Coast Ranges, Hoopa Valley 304 Comment
  UC1071991  Clarkia gracilis H. and M. Lewis 1947-6-13 423 Humboldt Highway 36, Bridge 4-119 South Fork of Van Duzen River Comment
  UC1222857  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1950-6-15 18806 Humboldt 7 mi n Harris; Mail Ridge Comment
  UC56307  Clarkia gracilis subsp. gracilis Joseph Burtt Davy 1899-6-21 5728 Humboldt Supply Creek Comment
  CAS-BOT-BC172515  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  OBI36368  Clarkia purpurea subsp. quadrivulnera David J. Keil 1983-7-1 17270 Humboldt Ca. 13 mi W of jctn US 101 along Bull Crk Flats Rd Comment
  CAS-BOT-BC172514  Clarkia purpurea subsp. quadrivulnera Paul F. Covel 1937-7-11 888 Humboldt Near Garberville Comment
  UC1196979  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1918-7-28 5091 Humboldt Ocean Beach Northern Coast Region, Humboldt Bay Comment
  UC314618  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1923-7-4 6527 Humboldt Valley of South Yager Creek Northern Coast Ranges 762 Comment
  HSC53894  Clarkia rhomboidea Griswold, Butler 1979-7-11 6397 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  UC144068  Clarkia rhomboidea Joseph P. Tracy July, 1908 2763 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 762 Comment
  UC183596  Claytonia exigua subsp. glauca Joseph P. Tracy 1913-5-4 4049 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC672996  Claytonia parviflora subsp. parviflora Joseph P. Tracy 1937-3-17 15285 Humboldt Willow Creek; Trinity River Valley 152 Comment
  HSC101982  Claytonia perfoliata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 879 Humboldt Patterson Meadows 1566 Comment
  UC203566  Claytonia rubra subsp. depressa Joseph P. Tracy 1918-4-7 4861 Humboldt mouth of Strawberry Creek Northern Coast Ranges, Dows Prairie (Dows Prairie) 6 Comment
  HSC96937  Claytonia rubra subsp. rubra Elizabeth Kimbrough, Whitney Meier 2007-6-13 7 Humboldt Grouse Mtn., 1 mi. E of NF1 on FS Rd. 5N04 1524 Comment
  HSC48843  Claytonia sibirica Brad Klipfel 1973-7-15 199 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC53824  Claytonia sibirica Griswold, Butler 1979-7-10 6270 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  UC162974  Claytonia sibirica Joseph P. Tracy 1907-5-1 2557 Humboldt Eureka; Northern Coast Region 0 Comment
  UC83824  Claytonia sibirica Harley P. Chandler May 1901 1090 Humboldt Humboldt Bay; North Coast Ranges 30 Comment
  CAS-BOT-BC443889  Claytonia sibirica C. D. Duncan 1920-9-27 s.n. Humboldt Supply Creek Canon [Canyon] near Hoopa Comment
  RSA117684  Claytonia sibirica S. S. Tillett 1956-7-3 601 Humboldt 18miles from jct 101. 564 Comment
  RSA168883  Claytonia sibirica Joseph P. Tracy 1951-6-21 19521 Humboldt Everett Beck s house, Hydesville Comment
  HSC100555  Clintonia uniflora Carl C. Marshall Jun 1886 316 Humboldt Trail E of Hoopa. Comment
  HSC53895  Clintonia uniflora Griswold, Butler 1979-7-11 6400 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC54022  Clintonia uniflora Griswold, Butler 1979-7-12 7181 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  RSA12552  Clintonia uniflora Carl B. Wolf 1934-7-2 5887 Humboldt Snow camp. (Mts. east of Korbel) 1372 Comment
  UCR139132  Coincya monensis Jim Belsher 1997-2-13 01 Humboldt Lot ESE of the Manila Community Services District sewage pump station 6 Comment
  HSC74444  Collinsia grandiflora M. A. Baker 1980-6-8 1924 Humboldt Near Buck Flat. 1554 Comment
  JEPS7342  Collinsia heterophylla Joseph P. Tracy 1927-5-30 8089 Humboldt Vicinity of Garberville 121 Comment
  CHSC63420  Collinsia linearis Vernon H. Oswald 1994-6-29 6357 Humboldt Titlow Hill Rd. (Forest Rd. 1) 3.9 mi S of Hwy. 299, SW of Willow Creek. 1289 Comment
  CHSC97959  Collinsia linearis Laurel Goldsmith; Wanda Naylor 2005-6-8 4 Humboldt 1.7 miles south of Hwy 299 on Titlow Hill Rd. UTM 0436141, 4525408. 980 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
  UC162568  Collinsia linearis Joseph P. Tracy 1911-7-6 3336 Humboldt along road between Three Creeks and Mouth of Willow Creek (Northern Coast Ranges); Northern Coast Ranges 762 Comment
  RSA21322  Collinsia linearis Carl B. Wolf 1937-8-13 9216 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC1347175  Collinsia linearis Alice Eastwood, John Thomas Howell 1937-6-24 4858 Humboldt road to Horse Mountain Horse Mountain Comment
  UCR45410  Collinsia parviflora Barry Silver 1986-4-23 535 Humboldt North Coast Range, Bair Road, 9.5-10 mi NW of the junction with Hwy 299; Pine Ridge Summit Area 997 Comment
  HSC60032  Collinsia rattanii M. A. Baker 1978-5-6 504 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  JEPS7053  Collinsia torreyi var. wrightii Joseph P. Tracy 1932-7-12 10467 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  HSC97946  Collomia grandiflora Cara Witte 2007-6-27 368 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Near intersection with 4N32B 1516 Comment
  JEPS71016  Collomia grandiflora Lincoln Constance 1934-6-12 863 Humboldt n bank of river <at> Bull Cr. road; South Fork Eel River, Bull Creek Region, Dyerville Comment
  BLMAR531  Collomia heterophylla Jennifer Wheeler 2009-6-23 531 Humboldt King range, On Paradise Ridge road Comment
  HSC70375  Collomia heterophylla M. A. Baker 1980-6-7 1780 Humboldt Near Brush Mtn. 287 Comment
  RSA120682  Collomia heterophylla S. S. Tillett 1956-7-6 610 Humboldt S. slope along Bar Shanty Road, 5 mi. from Orleans. 488 Comment
  HSC45803  Collomia heterophylla J. P. Smith, J. O. Sawyer 1976-5-2 8629 Humboldt S. R. 96, 4.9 mi. N of its junction with S.R. 299 122 Comment
  UC1197850  Collomia heterophylla Joseph P. Tracy 1911-7-5 3324 Humboldt near its mouth Northern Coast Ranges, Willow Creek (tributary of Trinity Ri 304 Comment
  HSC97228  Collomia tinctoria Kiera A. Freeman, Heather J. Perry 2007-6-11 6 Humboldt 14.1 mi. S of Hwy. 299 on NF1 1372 Comment
  HSC36297  Comarum palustre Dana A. Page 1973-11-24 Humboldt Crannell Rd. 0.5 mi. E of Hwy. 101, McKinleyville Comment
  UCSC000566  Convolvulus soldanella H. S. Yates 1936-6-16 5657 Humboldt 0.5 mile S.W. of Samoa Samoa - Eureka 3 Comment
  HSC73022  Corallorhiza maculata Gail Newton 1980-8-10 2028 Humboldt Near Blake Mtn. 1798 Comment
  UC176373  Corallorhiza maculata Joseph P. Tracy 1913-6-17 4191 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1524 Comment
  HSC59032  Corallorhiza maculata M. A. Baker 1979-6-8 804 Humboldt 0.5 mi. NW of Gan's Prairie, E side of Bald Hill's Rd. Comment
  HSC54018  Corallorhiza mertensiana Griswold, Butler 1979-7-12 7162 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UC1196455  Corallorhiza mertensiana Joseph P. Tracy 1935-7-23 14158 Humboldt lower end of Brett Hole Trinity Summit 1584 Comment
  HSC98347  Corallorhiza striata T. Jimerson, J. Pageau 1979-6-12 527 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  HSC90967  Cordylanthus maritimus subsp. palustris Gail Newton 1982-6-5 3574 Humboldt Elk River Wildlife Area, Eureka. Comment
  JEPS50770  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1967-8-13 9307 Humboldt in salicornia salt marsh w of Northwest Pacific Railroad tracks and 1/8 mi n of Arcata Redwood Company plant 4 mi n Eureka (w shore of Arcata Bay); Arcata Bay Comment
  JEPS70115  Cordylanthus maritimus subsp. palustris L. R. Heckard 1972-8-9 3152 Humboldt Margin of Humboldt Bay 2 mi s of Arcata; Humboldt Bay Comment
  JEPS93170  Cordylanthus maritimus subsp. palustris Margriet Wetherwax and Kevin Downing 1993-8-9 2460 Humboldt Vance Road turn off N of Hwy 255, Eureka to Samoa, saline marsh along Humboldt Bay, just past railroad tracks 5 Comment
  CAS-BOT-BC32935  Corethrogyne filaginifolia var. californica Henry Nicholas Bolander 1867-6-1 s.n. Humboldt On the coast at Shelter Cove and at Fort Bragg Comment
  HSC44069  Cornus nuttallii Thomas W. Nelson, Jane P. Nelson 1977-7-1 3560 Humboldt Along Blanket Creek tributary. 1463 Comment
  HSC6404  Cornus nuttallii Eugene Andreuccetti 1964-5-2 42 Humboldt 1 mi. from Willow Creek, along Hwy. 299 Comment
  HSC6405  Cornus nuttallii J. R. Eichelberger 1964-4-10 30 Humboldt 7 mi. N of Willow Creek on Hwy. 96. Comment
  JEPS50171  Cornus nuttallii Lincoln Constance 1934-6-2 789 Humboldt ca. 1/2 mi. w. of its mouth Bull Creek; Bull Creek Region, S. Fork Eel R. Comment
  UC412923  Cornus nuttallii P. E. Goddard 1906-6 692 Humboldt Lasseck Peak Comment
  SEINET12136798  Cornus nuttallii J. P. Tracy 1950-1 19384 Humboldt Trinity River Valley at Willow Creek 152 Comment
  CAS-BOT-BC212183  Cornus sericea W. R. Dudley 1899-6-21 s.n. Humboldt Englewood Brook, Eel River Comment
  HSC58048  Cornus sericea subsp. sericea G. L. Clifton, Griswold 1979-8-1 11907 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  RSA186851  Cortaderia jubata T. C. Fuller 1966-10-4 15238 Humboldt 1100 acres, slope N above headquarters of Georgia Pacific Lumber Co. Comment
  UC1103505  Corylus californica Joseph P. Tracy 1909-8-29 3080 Humboldt Humboldt Hill, N side Northern Coast Region, region about Humboldt Bay 0 Comment
  UC1175128  Corylus californica P. C. Everett and E. K. Balls 1959-10-24 23956 Humboldt 4.7 mi S from Bluff Creek (Hwy 96 from Orleans to Weitchpec) 121 Comment
  UC667998  Corylus californica Joseph P. Tracy 1935-7-31 14393 Humboldt Devil's Backbone (Barren rocky ridge connecting Trinity Summit with Salmon Summit 1524 Comment
  UC902053  Corylus californica Joseph P. Tracy 1949-8-11 18486 Humboldt 1 1/2 mi SE of Snow Camp 1341 Comment
  CAS-BOT-BC180303  Corylus cornuta subsp. californica Joseph P. Tracy 1949-8-11 18486 Humboldt near Snow Camp (1 1/2 mi SE) 1341 Comment
  CAS-BOT-BC180312  Corylus cornuta subsp. californica L. B. Kildale 1926-8-31 2602 Humboldt Union Mattole, Geo. H. Mineis Ranch Comment
  RSA134173  Corylus cornuta var. californica P. C. Everett, E. K. Balls 1959-10-24 23956 Humboldt 4.7 miles S from Bluff Creek, Hwy 96 from Orleans to Weitchpec. 122 Comment
  RSA1364  Corylus cornuta var. californica C. B. Wolf 1929-08 1424 Humboldt Stephens Grove, Redwood Highway. Comment
  SEINET3817858  Cotula coronopifolia H. E. Parks 24211 Humboldt Little River State Park Comment
  HSC78083  Crassula aquatica L. P. Janeway, K. Berg, Rudy Becking 1984-4-11 719 Humboldt N Spit of Humboldt Bay, BLM lands ('Coast Guard Reservation') 3 Comment
  HSC6502  Crassula connata D. E. Anderson 1963-3-16 2393 Humboldt Scotia Bluffs 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
  POM126151  Crataegus suksdorfii Joseph P. Tracy 1922-6-18 6097 Humboldt Valley along head of S Yoga Creek. 762 Comment
  RSA125671  Crataegus suksdorfii E. K. Balls 1957-5-25 22602 Humboldt Hwy 36, Van Duzen River, W of Trinity Humboldt County Line. 732 Comment
  CAS-BOT-BC290341  Crepis acuminata Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1828 Comment
  CAS-BOT-BC291492  Crepis capillaris Alice Eastwood 1923-8-16 12327 Humboldt Carlotta Comment
  SD39859  Crepis capillaris Edith A. Purer 1932-7-30 4679 Humboldt South or Orick Comment
  UC581727  Crepis capillaris Joseph P. Tracy 1934-7-4 13300 Humboldt Lawrence Creek; at crossing of the Kneeland road 457 Comment
  HSC5446  Crepis capillaris L. K. Weld 1967-7-16 2 Humboldt Myrtle Ave. 1 mi. S of Freshwater Corners Comment
  HSC98848  Crepis pleurocarpa Cara Witte 2008-7-11 871 Humboldt National Forest Road 6N36. 1/4 mile from intersection with National Forest 1. 1443 Comment
  RSA47103  Crepis pleurocarpa Doris K. Kildale 1925-6-14 686 Humboldt Yager. 915 Comment
  BLMAR759  Cryptantha Jennifer Wheeler 2015-5-12 759 Humboldt King range, Along Telegraph Ridge btwn Oat and Spanish 670 Comment
  UCSB14885  Cryptantha leiocarpa 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC74455  Cryptogramma acrostichoides Gail Newton 1980-8-10 2005 Humboldt Near Blake Mtn. 1798 Comment
  UC1076384  Cupressus lawsoniana H. L. Mason 1932-7-21 7111 Humboldt on road Arcata to Weaverville (e slope of Southfork Mts.); Southfork Mts. Comment
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Jul 25 2018
  UC502914  Cupressus lawsoniana Joseph P. Tracy 1927-6-12 8141 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UC1134204  Cupressus lawsoniana C. R. Clar 1930-7-14 98 Humboldt Supply Creek Hoopa Quad., Hoopa Indian Reservation, Supply Creek 609 Comment
  CAS-BOT-BC224392  Cuscuta californica Joseph P. Tracy 1949-8-4 18407 Humboldt Trinity Summit. Mud Springs 1341 Comment
  HSC59455  Cuscuta pacifica var. pacifica M. A. Ericksen 1979-5-18 302 Humboldt At edge of Humboldt Bay mud flats, 75 yards N of Arcata Redwood Company main gate, Hwy. 101 between Arcata and Eureka Comment
  RSA249509  Cuscuta salina R. F. Thorne, P. C. Everett 1965-8-8 35280 Humboldt N edge of Eureka, E of Hwy 101. 3 Comment
  HSC3640  Cynoglossum grande Elrid H. Spinas 1948-5-15 3 Humboldt Horse Mtn. Comment
  RSA183563  Cyperus eragrostis D. E. Anderson 1963-9-29 2848 Humboldt Fish Lake. Comment
  UC535738  Cyperus eragrostis Eleanor Armstrong 1157 Humboldt Richardson Grove Comment
  HSC47957  Cypripedium californicum Brad Klipfel 1974-9-17 579 Humboldt Horse Mountain Comment
  UC1196445  Cypripedium montanum D. F. Young 1924-4-26 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  CSUSB1619  Cytisus monspessulanus Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC14666  Cytisus scoparius R. E. Hafenfeld 1965-5-13 67 Humboldt County Rd. 1/2 mi. from Gold Bluff Beach Rd. Comment
  SEINET12152438  Cytisus scoparius J. P. Tracy 1950-1 18830 Humboldt Eureka Comment
  RSA728072  Dactylis glomerata Gary D. Wallace 1979-7-24 1864 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  CAS-BOT-BC189736  Danthonia californica Joseph P. Tracy 1930-6-21 8772 Humboldt Northern Coast Ranges. Larrabee Valley. 701 Comment
  HSC69873  Danthonia californica Thomas W. Nelson 1978-5-28 4096 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  UC1056068  Danthonia californica var. americana J. I. Mallory 1955-6-7 112 Humboldt Luke Prairie Quad 29-B-3 (n end) 350 Comment
  UC1103261  Danthonia californica var. americana Joseph P. Tracy 1925-7-5 7161 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UCD60966  Danthonia californica var. americana R. Tofsrud 1948-9-3 Humboldt Border of Clear Lake, on road from Horse Mt. to Grouse Mt. 1371 Comment
  UCD61358  Danthonia unispicata A. H. Murphy 1951-6-25 73 Humboldt About 1 mile W of Board Camp Mtn. Ca. 16 miles NE of Bridgeville. Comment
  CAS-BOT-BC420364  Darmera peltata Doris K. Kildale 1926-5-2 1900 Humboldt Willow Creek Flat Comment
  CAS-BOT-BC420365  Darmera peltata Duart V. Brown 1947-3-24 5 Humboldt 3 miles N of Willow Creek on W bank of Trinity River Comment
  UC1198471  Datisca glomerata Joseph P. Tracy 1912-8-3 3972 Humboldt in Valley of Van Duzen River (opposite Buck Mountain, Dinsmore's Ranch); Northern Coast Ranges, Dinsmore's Ranch 762 Comment
  JEPS14240  Daucus carota Joseph P. Tracy 1932-9-16 10796 Humboldt near the mouth Mad R. 30 Comment
  HSC21481  Daucus pusillus D. E. Anderson 1962-7-10 2247 Humboldt Luffenholtz Beach, about 2 mi. S of Trinidad along old Hwy. 101 Comment
  CAS-BOT-BC9031  Delphinium decorum subsp. tracyi Doris K. Kildale 1926-4-18 1773 Humboldt McCelellan Mountain 822 Comment
  RSA296867  Delphinium decorum subsp. tracyi Joseph P. Tracy 1918-5-28 4941 Humboldt High Prairie on Bald Mtn. Comment
  RSA249435  Delphinium depauperatum D. E. Anderson, Thomas W. Nelson, S Dowty 1972-6-14 5603 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  OBI10845  Delphinium hesperium subsp. hesperium Joseph P. Tracy 1948-6-20 18070 Humboldt Trinity River Valley at Willow Crk 152 Comment
  CAS-BOT-BC9954  Delphinium nudicaule Doris K. Kildale 1928-6-24 5288 Humboldt Horse Mountain 853 Comment
  JEPS60600  Delphinium nudicaule Lincoln Constance 1934-6-15 881 Humboldt Grasshopper Peak Bull Creek Region, South Fork Eel River (summit) 975 Comment
  HSC38707  Delphinium nuttallianum J. P. Smith 1976-5-29 8818 Humboldt Horse Mtn. 1402 Comment
  HSC74385  Delphinium nuttallianum M. A. Baker 1980-6-28 2471 Humboldt Near Mad River Buttes 1445 Comment
  CAS-BOT-BC121973  Delphinium trolliifolium E. K. Balls; L. W. Lenz 1955-5-15 20736 Humboldt 9.9 mi. SW from Fernbridge, along Old Coast road to Capetown 502 Comment
  CHSC1447  Delphinium trolliifolium A. Small 1954-6-3 Humboldt Near Ferndale. Comment
  HSC99024  Delphinium trolliifolium Cara Witte 2008-7-16 909 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1/2 mile south of intersection with National Forest 1. 1409 Comment
  UC160942  Delphinium trolliifolium Joseph P. Tracy Jul 27 1908-Jul 30 1908 2712 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
  UC1100295  Deschampsia cespitosa subsp. beringensis Malcolm A. Nobs and S. Galen Smith 1949-8-3 1167 Humboldt 1 mi. s. Fields Landing; Eel R. Valley Comment
  RSA12425  Deschampsia cespitosa subsp. cespitosa C. B. Wolf 1934-7-2 5869 Humboldt Edge of small lake at Snow Camp 1372 Comment
  CAS-BOT-BC201772  Deschampsia elongata W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  UC526672  Deschampsia elongata Joseph P. Tracy 1932-7-17 10680 Humboldt ridges e. of Corral Prairie; Klamath Mts., Trinity Summit 1828 Comment
  UCD63315  Deschampsia elongata A. H. Murphy 1948-10-21 Humboldt 1/4 mile east of Lassic Peak lookout, northeast of Blocksburg. Comment
  UCD114654  Descurainia incisa subsp. incisa Joseph P. Tracy 1947-8-24 17921 Humboldt Trinity Summit, near Box Camp, along trail to Waterdog Lakes. 1676 Comment
  RSA254753  Dichanthelium acuminatum var. fasciculatum Thomas W. Nelson 1973-9-3 1120 Humboldt McKeown Ranch north of Dinsmore Comment
  JEPS5680  Dichelostemma X venustum Milo S. Baker 1923-7-20 29 Humboldt Head of South Fork of Yager Creek Comment
  HSC3001  Dichelostemma capitatum subsp. capitatum Francis Winter 1960-4-24 Humboldt 1 mi. N of Redwood Creek Ranch 396 Comment
  HSC44871  Dichelostemma capitatum subsp. capitatum J. P. Smith, J. O. Sawyer 1973-5-12 6681 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  RSA756869  Dichelostemma capitatum subsp. capitatum Barbara Ertter, Thomas J. Delendick 1987-5-16 6927 Humboldt Vista Point just W of Berry Summit on Highway 299, ca. 15 air miles E of Arcata. 915 Comment
  SEINET6879153  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  HSC48151  Dichelostemma ida-maia Brad Klipfel 1975-6-17 665 Humboldt Along Titlow Hill Rd. Comment
  SBBG11069  Dichelostemma ida-maia D. E. Breedlove 1961-7-4 649 Humboldt 10.9 mi W of Willow Crk on US Hwy 299 822 Comment
  HSC3027  Dichelostemma ida-maia H. E. Parks, S. T. Parks Jun 1928 259 Humboldt Gills 305 Comment
  HSC3028  Dichelostemma ida-maia J. F. Knezevich 1967-6-1 169 Humboldt 5 mi. E of Willow Creek on Hwy. 299 Comment
  HSC36566  Dichelostemma ida-maia Thomas W. Nelson, B. Reinhardt 1975-7-30 2099 Humboldt Along Whiting Ridge 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
  UC535761  Dichelostemma ida-maia Eleanor Armstrong 1934-5-17 Humboldt n of Redway Comment
  UC15034  Dichelostemma multiflorum P. E. Goddard 1901-7 41 Humboldt Hupa Comment
  UC1197658  Disporum hookeri Joseph P. Tracy 1937-7-2 15409 Humboldt Trinity Summit, head of Little Hors-Linto Creek Little Hors-Linto Creek; Trinity Summit, Little Hors-Linto Creek 1371 Comment
  UC666969  Disporum hookeri Joseph P. Tracy 1938-6-13 15898 Humboldt Horse Mountain 1432 Comment
  RSA68743  Disporum smithii Victor Duran 1933-5-12 3413 Humboldt Bull Creek, at South Fork of the Eel River Comment
  UCSC000139  Disporum smithii R. Stahelin 1933-5-17 s.n. Humboldt Arcata City Park - Eureka Comment
  HSC2192  Distichlis spicata J. P. Tracy 1933-8-22 12989 Humboldt Mouth of Eel River. 3 Comment
  HSC82972  Distichlis spicata A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  UC38072  Distichlis spicata Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6202 Humboldt near Ferndale; ; Ferndale, Humboldt Co. Comment
  UCR32182  Distichlis spicata David J. Keil 1983-7-1 17286 Humboldt Pacific Coast, c. 5 mi. west of Petrolia along Mattole Road 225 Comment
  HSC17909  Dodecatheon hendersonii D. E. Anderson 1965-4-24 3545 Humboldt Ca. 2 mi. E of Berry Summit along Hwy. 299 Comment
  SEINET201053 Image available Dodecatheon jeffreyi Joseph P. Tracy 1932-7-17 10669 Humboldt Trinity Summit; ridges East of Corral Prarie. 1829 Comment
  UC673096  Downingia elegans Joseph P. Tracy 1940-7-7 16673 Humboldt Grouse Mt. 1554 Comment
  POM252664  Downingia elegans var. corymbosa Joseph P. Tracy 1927-7-17 8270 Humboldt Three Cabins; lower western foothills of Chaparral Mt.; North Coast Ranges. 457 Comment
  HSC12219  Drosera rotundifolia Gary J. Stebbins 1970-5-10 77 Humboldt S end of Big Lagoon, just S of the Rd. that crosses the marsh, 1.1 mi. N of the Big Lagoon store. Comment
  CAS-BOT-BC159616  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1926-4-30 1945 Humboldt Briceland Bridge 1/2 mile west of Garberville 114 Comment
  UC585623  Drymocallis glandulosa var. reflexa Joseph P. Tracy 1935-7-23 14164 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  JEPS48708  Drymocallis lactea var. austiniae Hilda W. Grinnell 1932-7-22 37 Humboldt McKay Camp South Fork Mt., McKay Camp Comment
  HSC58143  Drymocallis lactea var. lactea Gilbert Muth 1979-8-1 12169 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC75458  Drymocallis lactea var. lactea J. O. Sawyer 1980-7-18 3585 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC70872  Dryopteris arguta Doris K. Kildale 1928-12-30 6884 Humboldt Phillipsville Comment
  HSC1034  Dryopteris arguta Gene S. Van Horn 1962-1-6 6 Humboldt 4 mi. E of Yager Cr. Bridge in Carlotta, on Hwy. 36, on bank overlooking the Van Duzen River 152 Comment
  SEINET6424490 Image available Dryopteris dilatata Hicks, Carpenter 1977-7-12 Humboldt Prairie Creek State Park Comment
  JEPS35162  Dryopteris expansa Lincoln Constance 1934-6-3 811 Humboldt S Fork Eel River; Bull Creek region Comment
  HSC26463  Dudleya farinosa T. O. Osborne 1970-7-18 21 Humboldt Sugarloaf Rock, Cape Mendocino Comment
  UCD60951  Echinochloa crus-pavonis Collector unknown 1926-7-1 Humboldt Annie Wilson Ranch, Alderpoint. Comment
  UCD49713  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Carpeting dried-up bed of pond. Dow's Prairie. 60 Comment
  JEPS19330  Eleocharis bella Joseph P. Tracy 1935-7-27 14299 Humboldt McKay Prairie Trinity Summit 1584 Comment
  UC1152070  Eleocharis bella Joseph P. Tracy 1949-6-25 18355 Humboldt 1463 Comment
  CAS-BOT-BC112840  Eleocharis macrostachya LeRoy Abrams 1922-6-25 8267 Humboldt Big Lagoon, south of Orick Comment
  CAS-BOT-BC113112  Eleocharis obtusa Henry M. Pollard 1946-8-16 s.n. Humboldt Along river near Orleans Comment
  CHSC85061  Eleocharis pachycarpa L. P. Janeway 2003-7-28 7934 Humboldt North Coast. At east edge of Big Lagoon 0.8 km south of the mouth of Tom Creek. 3 Comment
  HSC7346  Eleocharis parvula D. E. Anderson 1961-9-9 1791 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon Comment
  HSC9678  Elymus caput-medusae R. I. Bonn 1965-10-1 Humboldt 6 mi. N of Bridgeville on Kneeland-Bridgeville Rd. 732 Comment
  RSA44449  Elymus elymoides Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. trail 1677 Comment
  UC526797  Elymus glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  UCD61884  Elymus glaucus P. B. Kennedy 1923-8-2 Humboldt Near top of grade - Bluff Creek to Arcata. Comment
  HSC9731  Elymus mollis subsp. mollis D. B. Bader 1963-5-1 16 Humboldt Clam beach Lagoons, W of Hwy. 101. Along railroad tracks. Comment
  HSC74674  Elymus multisetus Gail Newton 1981-7-23 2269 Humboldt Near Bug Creek Butte 1494 Comment
  UC1103130  Elymus multisetus Joseph P. Tracy 1926-6-20 7743 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  UC33878  Elymus multisetus Chesnut and Drew 1888-7-21 Humboldt S. Fork Mt. Comment
  HSC33094  Empetrum nigrum J. P. Smith 1975-3-31 8048 Humboldt Megwill Point on Elk Head, just N of College Cove Comment
  RSA39090  Epilobium angustifolium var. macrophyllum P. A. Munz 1948-8-15 12361 Humboldt 2 miles west of Hydesville Comment
  RSA43871  Epilobium angustifolium var. macrophyllum H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  UC144089  Epilobium brachycarpum Joseph P. Tracy July 1908 2895 Humboldt near Low Gap (ridge between Van Duzen and Mad Rivers, Humboldt and Trinity Counties); Northern Coast Ranges 914 Comment
  UC1196951  Epilobium canum subsp. latifolium Joseph P. Tracy 1920-8-15 5355 Humboldt Rock Creek Northern Coast Ranges, Klamath River 152 Comment
  HSC32948  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, James Nelson 1973-5-28 958 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC54566  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9586 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC169921  Epilobium ciliatum subsp. ciliatum Harley P. Chandler June, 1901 1530 Humboldt Klamath River North Coast Ranges 304 Comment
  HSC16358  Epilobium ciliatum subsp. watsonii D. E. Anderson 1961-9-2 1764 Humboldt 3 mi. S of Cape Mendocino 3 Comment
  POM225523  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-13 14385 Humboldt Clam Beach Comment
  HSC16348  Epilobium ciliatum subsp. watsonii Paul Shields 1955-9-23 Humboldt 5 mi. SE of Arcata Comment
  HSC38333  Epilobium ciliatum subsp. watsonii Peter Sorensen 1976-7-14 Humboldt N Spit of Humboldt Bay, S of Samoa in the vicinity of Humboldt Co. Airport Comment
  HSC98657  Epilobium densiflorum Cara Witte 2007-7-3 408 Humboldt White Oak Opening. 1242 Comment
  JEPS38204  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Jones Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes) 914 Comment
  UC198605  Epilobium densiflorum Joseph P. Tracy 1917-9-3 4852 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes of mt.) 914 Comment
  RSA167260  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1950-8-7 19272 Humboldt On trail between Box Camp and Croghan [Groghan] Hole, 2 miles east of Box Camp. Trinity Summit Comment
  HSC55015  Epilobium hallianum Overton, Butler 1979-7-31 11407 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  RSA21093  Epilobium minutum Carl B. Wolf 1937-6-14 8821 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  CHSC12022  Epilobium septentrionale R. N. Bowman 1971-9-12 50 Humboldt Located ca. 1.7 mi se of Myers Flat off of Hwy 101. Ca. 4 ft. above s fork Eel River on e bank. 1066 Comment
  HSC16559  Epilobium septentrionale C. B. Wolf 1927-8-30 1234 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river 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
  UCD106771  Epilobium septentrionale R. N. Bowman 1971-4-12 52 Humboldt Ca. 1.7 miles SE of Myers Flat off of Highway 101. Ca. 4 feet above S fork of Eel River on E bank. 1066 Comment
  CAS-BOT-BC57106  Equisetum X ferrissii Henry M. Pollard 1946-8-31 s.n. Humboldt Near Wilson Creek, Orleans Mt. Comment
  HSC97437  Equisetum arvense Ivy Watson 2008-10-5 38 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  HSC71087  Equisetum arvense Thomas W. Nelson, Jane Nelson 1977-5-30 3406 Humboldt Back bay of Mad River at Anderson's Ford 640 Comment
  HSC99583  Equisetum telmateia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 248 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  HSC36227  Equisetum telmateia subsp. braunii John Rehling 1975-4-21 52 Humboldt Along Jolly Giant Creek behind HSU campus. Comment
  HSC54551  Equisetum telmateia subsp. braunii Overton, Butler 1979-7-23 9541 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1280 Comment
  HSC79438  Equisetum telmateia subsp. braunii Kenneth Clark 1980-6-14 699 Humboldt Shelter Cove, W slope above Dead Man's Gulch 91 Comment
  RSA21604  Equisetum telmateia var. braunii C. B. Wolf 1937-9-14 9351 Humboldt North Coast Range, Lord Ellis Road, 7.6 miles east of Blue Lake. 213 Comment
  CAS-BOT-BC284097  Eragrostis pectinacea var. pectinacea Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  POM174069  Erechtites glomeratus Joseph P. Tracy 1918-9-1 5095 Humboldt Newells Camp, around Humboldt Bay. On old Kneeland Prairie Road. 457 Comment
Read comments
Jun 10 2012
  SEINET10618699  Erechtites glomeratus Harold E. Parks, Susan T. Parks Parks 24033 Humboldt Spruce Cove, Trinidad. 61 Comment
  HSC102066  Eremogone congesta var. congesta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 968 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  POM161486  Ericameria greenei Joseph P. Tracy 1919-9-22 5273 Humboldt Trinity Summit 1890 Comment
  HSC56372  Erigeron aliceae Griswold, Butler 1979-7-11 6395 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  UC1223016  Erigeron aliceae Joseph P. Tracy 1950-7-31 19237 Humboldt top of Grouse Mountain 1524 Comment
  CAS-BOT-BC293487  Erigeron aliceae Joseph P. Tracy 1930-7-18 9035 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  UC1223013  Erigeron aliceae Joseph P. Tracy 1949-8-11 18487 Humboldt 1.5 mi se of Snow Camp (along creek running through fir woods near the C. M. Preston place) 1463 Comment
  HSC44537  Erigeron foliosus var. confinis Brad Klipfel 1973-7-1 145 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC308850  Erigeron glaucus W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  CAS-BOT-BC308846  Erigeron glaucus A. A. Heller 1937-6-12 15915 Humboldt Trinidad on the coast near the Whaling Station, foot of the grade leading up to the lighthouse on Trinidad Head Comment
  HSC79376  Erigeron glaucus Kenneth Clark 1980-5-10 646 Humboldt Along coastal bluffs of Point Delgada, Shelter Cove 6 Comment
  HSC98674  Erigeron inornatus var. inornatus Cara Witte 2008-7-10 850 Humboldt Forest Service Road 4N06A. Cow Creek Ridge. 1 mile from National Forest 1. Under powerlines. 1237 Comment
  UC34630  Erigeron inornatus var. inornatus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC104065  Erigeron maniopotamicus John McRae 2009-6-25 Humboldt Six Rivers National Forest; along FS Rd. 1N08 1280 Comment
  CAS-BOT-BC214590  Erigeron philadelphicus Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  SBBG63320  Erigeron philadelphicus J. R. and R. C. Robbins 1932-7-24 Humboldt S of Scotia Comment
  CAS-BOT-BC214591  Erigeron philadelphicus John Thomas Howell 1931-6-17 6717 Humboldt At mouth of Van Duzen River Comment
  UC202679  Erigeron philadelphicus var. philadelphicus Chesnut and Drew 1888-7-19 Humboldt Pilot Ridge Comment
  HSC100373  Erigeron robustior D. Decker 2010-7-28 Humboldt Dinsmore, off 1N08 on Buck Mtn. 1353 Comment
  CAS-BOT-BC300278  Erigeron strigosus var. strigosus L. R. Abrams 1918-6-16 7174 Humboldt Willow Creek Comment
  JEPS27  Eriodictyon californicum Lincoln Constance 1934-6-15 887 Humboldt Summit of Grasshopper Peak; South Fork Eel River, Bull Creek Region 975 Comment
  HSC55163  Eriogonum compositum Gilbert Muth 1979-8-1 12142 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  HSC73670  Eriogonum compositum M. A. Baker 1980-7-15 2953 Humboldt Near Whiting Ridge. 1341 Comment
  CHSC55905  Eriogonum latifolium L. P. Janeway 1987-7-31 2539 Humboldt Vicinity of Eurekal North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  UC1198150  Eriogonum latifolium Joseph P. Tracy 1938-6-17 15960 Humboldt near ocean shore (s of point of Cape); Cape Mendocino 3 Comment
  UC6344  Eriogonum latifolium H. N. Bolander 1866-1 6569 Humboldt Shelter Cove Comment
  UC672911  Eriogonum latifolium Joseph P. Tracy 1938-7-15 16062 Humboldt near bay shore; Bucksport 6 Comment
  CAS-BOT-BC259285  Eriogonum lobbii Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  RSA66020  Eriogonum nudum var. auriculatum F. W. Peirson 1923-7-10 4206 Humboldt Garberville. Comment
  UC1198140  Eriogonum nudum var. nudum Joseph P. Tracy 1930-7-4 9929 Humboldt near. on raod from Bull Creek to Mattole Windy Nip Gap 762 Comment
  CDA22632  Eriogonum nudum var. oblongifolium T. R. Haig 1960-6-19 Humboldt Kneeland School. 0 Comment
  CAS-BOT-BC267876  Eriogonum umbellatum Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  HSC58062  Eriophorum crinigerum G. L. Clifton, Griswold 1979-8-1 11939 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1692 Comment
  SEINET10551827  Eriophorum crinigerum Henry N. Bolander 1866-1 Bolander 6475 Humboldt Red Mountain. Comment
  HSC48029  Eriophyllum lanatum Brad Klipfel 1974-6-25 425 Humboldt Horse Mtn. Comment
  HSC57128  Eriophyllum lanatum var. achilleoides Overton, Butler 1979-7-25 9895 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  CAS-BOT-BC301182  Eriophyllum lanatum var. arachnoideum Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  HSC44134  Eriophyllum lanatum var. grandiflorum Thomas W. Nelson, Jane P. Nelson 1977-7-4 3578 Humboldt Along W side of road N of Alder Springs, head of N Fork of Conley Creek 1280 Comment
  POM288401  Eriophyllum lanatum var. grandiflorum Lyman Benson 1929-7-19 1862 Humboldt Dyerville to Matole River. Comment
  RSA21076  Eriophyllum lanatum var. integrifolium C. B. Wolf 1937-8-13 9236 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC102063  Erysimum capitatum M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 965 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC99491  Erysimum capitatum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 150 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
  HSC45085  Erysimum capitatum var. capitatum R. Sutherland 1978-4-23 16 .23478 Humboldt Kinsey (Fraser) Ridge near head 732 Comment
  UCR179237  Erysimum menziesii R. G. Swinney 1968-4-3 240 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  UC1197648  Erythronium californicum Joseph P. Tracy 1927-6-12 8127 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  JEPS61875  Erythronium revolutum Joseph P. Tracy 1918-5-28 4938 Humboldt High Prairie on Bald Mountain Northern Coast Ranges, Bald Mountain 1066 Comment
  JEPS88924  Erythronium revolutum Harley P. Chandler Jun 1901 1279 Humboldt Hupa Indian Reservation 1066 Comment
  UC201282  Erythronium revolutum Joseph P. Tracy 1918-5-1 4896 Humboldt Ashfield Butte Northern Coast Ranges 762 Comment
  HSC104325  Erythronium revolutum James Regan, Humboldt Redwood Co., LLC 2007-5-9 23 Humboldt Kneeland 854 Comment
  CAS-BOT-BC403034  Eschscholzia californica Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC403035  Eschscholzia californica Doris K. Kildale 1927-6-25 3548 Humboldt Shelter Cove Comment
  HSC16768  Eschscholzia californica William J. Ferlatte 1963-4-28 24 Humboldt Near 12th and B St., Arcata Comment
  CAS-BOT-BC403038  Eschscholzia californica R. James; M. Goering; S. Matthews 1985-4-20 045 Humboldt Burnt Ranch Campground, Shasta-Trinity National Forest Comment
  HSC16115  Eucalyptus globulus J. W. Bosworth 1965-5-14 51 Humboldt 1 mi. N of Fairhaven on Samoa Comment
  HSC58800  Eucephalus ledophyllus G. L. Clifton, Griswold 1979-7-31 11593 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  UC1199347  Euchiton gymnocephalus Joseph P. Tracy 1936-5-17 14811 Humboldt 6 mi se Arcata; Fickle Hills 609 Comment
  UC1199357  Euchiton sphaericus Joseph P. Tracy 1938-6-20 15974 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UC1223112  Euchiton sphaericus Joseph P. Tracy 1949-10-16 18591 Humboldt near Grizzly Creek; Van Duzen River 91 Comment
  CAS-BOT-BC310489  Euchiton sphaericus Joseph P. Tracy 1915-9-12 4677 Humboldt Northern Coast Ranges. Mouth of Laribee Creek 60 Comment
  SEINET8222401  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta. 30 Comment
  UC673083  Euchiton sphaericus Joseph P. Tracy 1940-8-11 16694 Humboldt near Raccoon Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC206923  Euonymus occidentalis Joseph P. Tracy 1935-5-24 13823 Humboldt Eureka, 3 miles SE of business district 91 Comment
  UC668181  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1935-5-24 13823 Humboldt woods 3 mi. s.e. of business district Eureka 91 Comment
Read comments
May 24 2013
  HSC100481  Euphorbia dictyosperma Carl C. Marshall Jun 1887 431 Humboldt Perrington Creek on rocks. Comment
  UC302982  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  UC1173675  Eurybia radulina Joseph P. Tracy 1939-8-5 16380 Humboldt Dinsmores, Van Duzen River, opposite Buck Mt. Van Duzen River 762 Comment
  HSC79456  Festuca arundinacea Kenneth Clark 1980-4-18 600 Humboldt Above Dead Man's Gulch 137 Comment
  SEINET200324 Image available Festuca bromoides Joseph P. Tracy 17092 Humboldt Loleta 15 Comment
  HSC102649  Festuca californica J. P. Smith 2009-5-31 12610 Humboldt Bald Hills Road. 963 Comment
  UC207580  Festuca californica Joseph P. Tracy 1916-4-30 4683 Humboldt Table Bluff, around Humboldt Bay Northern Coast Ranges, Humboldt Bay 121 Comment
  HSC9951  Festuca idahoensis D. C. Juve 1964-5-16 43 Humboldt Campbell Creek Ranger Station, Camp Tish-Tang, Hwy 96. Comment
  RSA10112  Festuca occidentalis Joseph P. Tracy 1932-7-17 10655 Humboldt Near Corral Prairie, Trinity summit, Klamath mountains. 1524 Comment
  UC525637  Festuca occidentalis Joseph P. Tracy Jul 16 1930-Jul 19 1930 9097 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC70910  Festuca occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5472 Humboldt near Elk Prairie Comment
  UC70923  Festuca occidentalis Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5362 Humboldt near Harris Comment
  SBBG53089  Festuca perennis R. N. Philbrick, J. R. Haller 1976-6-26 9 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  CAS-BOT-BC278959  Festuca rubra Richard W. Pohl 1963-6-2 9452 A Humboldt Sea beach, Trinidad Beach State Park Comment
  POM205853  Festuca rubra Jos Burtt Davy, Blasdale 1899-7-30 6180 Humboldt Ferndale. Comment
  UC1103710  Festuca rubra Harold E. Parks and Joseph P. Tracy 1935-6-16 11272 Humboldt lower nw slopes Buck Mountain 792 Comment
  UCD66354  Festuca rubra H. S. Yates 1936-6-16 5675 Humboldt 1 mile northeast of Samoa. 3 Comment
  UCD66355  Festuca rubra H. S. Yates 1936-6-16 5672 Humboldt 1 mile N.E. of Samoa. 3 Comment
  UCD66377  Festuca rubra Gordon Leppig 1998-6-1 871 Humboldt Horse Mountain. Buck Flat, Titlow Hill Rd. @ Ammon Ridge Rd. 1524 Comment
  HSC9949  Festuca subuliflora L. M. Malloy 1965-5-20 32 Humboldt Old county dump, 5 mi. from Arcata on Fickle Hill Rd. Comment
  UC1056065  Festuca subuliflora J. I. Mallory 1955-2-22 115 Humboldt 1 mi n Luke Prairie Quad. (Quad 29-B-2); Peavine Ridge 701 Comment
  UC188848  Festuca subuliflora J. Burtt Davy and W. C. Blasdale 1899-6-13 5494 Humboldt Camp Grant North Coast Ranges Comment
  CHSC27897  Fragaria chiloensis Phil Blumert 1978-3-25 1 Humboldt Along beaches, ca. 100 m w of intersection of 'C' Rd and Ocean View Drive, Patrick's Point 5 km n of Trinidad. Comment
  HSC18620  Fragaria chiloensis R. A. Rasp 1964-5-20 49 Humboldt 4 mi. W of Arcata off Lanphere Rd. on Lanphere Ranch Comment
  UCD113172  Fragaria chiloensis Linda M. Barker 1976-3-11 1324 Humboldt 3 miles west of Arcata. Comment
  CAS-BOT-BC453517  Fragaria chiloensis John Thomas Howell 1954-4-25 29155 Humboldt Dune Hills, Little River Comment
  RSA183571  Fragaria chiloensis R. I. Bonn 1965-3-12 5 Humboldt 4 miles W of Arcata on Lanphere road. Comment
  HSC18611  Fragaria vesca J. C. Reppas 1963-4-11 37 Humboldt 820 Fickle Hill Rd. Comment
  HSC18634  Fragaria vesca Francis Winter 1960-4-23 Humboldt 1.0 mi. N of Dollar Ranch on Korbel-Maple Creek Rd. 229 Comment
  CAS-BOT-BC437050  Fragaria vesca subsp. bracteata M. S. Jussel 1931-5-2 s.n. Humboldt Sylvandale 8 miles norht of Garberville Comment
  CAS-BOT-BC53400  Frangula californica subsp. occidentalis Joseph P. Tracy 1941-9-4 17012 Humboldt Willow Creek Canyon, along Trinity Highway 609 Comment
  CAS-BOT-BC53405  Frangula californica subsp. occidentalis Carl B. Wolf 1931-8-30 2377 Humboldt Lord Ellis Road, 9 mi. above Willow Creek on grade from Willow Creek to Blue Lake 304 Comment
  CAS-BOT-BC59954  Frangula purshiana Carl B. Wolf 1934-6-30 5818 Humboldt Mendocino. 22 Comment
  HSC15537  Fritillaria affinis D. E. Anderson 1965-5-8 3635 Humboldt 4 mi. E of Berry Summit along Hwy. 299 Comment
  HSC15543  Fritillaria affinis A. H. Teshima 1963-5-8 34 Humboldt Moonstone Beach area Comment
  UC15016  Fritillaria affinis Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  CAS-BOT-BC136032  Fritillaria affinis John Thomas Howell 1954-4-25 29154 Humboldt Dune hills, Little River Comment
  UC1197633  Fritillaria affinis Joseph P. Tracy 1921-8-28 5946 Humboldt Guthrie Gulch; Northern Coast Ranges, Guthrie Gulch 121 Comment
  HSC73541  Galium aparine Gail Newton 1980-7-14 1477 Humboldt Near Last Chance Ridge. 1219 Comment
  HSC70633  Galium bolanderi R. York 1980-5-18 583 Humboldt Near Black Mtn 792 Comment
  JEPS6719  Galium bolanderi Joseph P. Tracy 1935-7-29 14339 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  JEPS52864  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-7 3889 Humboldt Redwood Hwy (101) just n Richardson Grove Comment
  JEPS52837  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-7-8 3845 Humboldt along creek 100 yd s campsite (6.2 mi w of Willow Creek town); east fork Willow Creek 487 Comment
  UC169074  Galium muricatum Harley P. Chandler 1901-5-31 1296 Humboldt The Swag Hupa Indian Reservation, Hoopa Mtn. 1097 Comment
  UC416658  Galium muricatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5471 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  JEPS25694  Galium parisiense P. C. Hutchison 1961-5-22 2025 Humboldt ca 9.1 mi ne Klamath River bridge at Weitchpec; Klamath River canyon Comment
  UC198664  Galium parisiense Joseph P. Tracy 1916-6-19 4710 Humboldt Bosworth's Northern Coast Ranges, Laribee Creek 457 Comment
  HSC90797  Galium parisiense W. L. Jepson 1936-8-12 17882 Humboldt Miranda, S Fork of the Eel River Comment
  HSC19817  Galium porrigens var. porrigens B. D. Rogers, William J. Ferlatte 1966-6-15 2092 Humboldt Near Bridgeville Comment
  UC602542  Galium trifidum Joseph P. Tracy 1927-7-17 8273 Humboldt lower w foothills of Chaparral Mountain; North Coast Ranges, Three Cabins 457 Comment
  HSC53836  Galium triflorum Griswold, Butler 1979-7-10 6286 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC58153  Galium triflorum G. L. Clifton, Griswold 1979-8-2 12205 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC58207  Galium triflorum Walter Overton 1979-8-1 12322 Humboldt Near Mill Creek, Middle Fork, close to the town of Hoopa. 1341 Comment
  UC169075  Galium triflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5470 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  CAS-BOT-BC303395  Gamochaeta ustulata Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC303398  Gamochaeta ustulata L. R. Abrams 1916-7-18 6125 Humboldt Arcata to Trinidad Comment
  UCD132373  Gamochaeta ustulata Linda M. Barker 1976-7-5 1539 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC303394  Gamochaeta ustulata John Thomas Howell 1936-8-29 12885 Humboldt Eel River 16 miles N of Garberville Comment
  RSA296734  Gamochaeta ustulata J. P. Smith, Thomas W. Nelson 1977-6-30 9213 Humboldt Samoa Peninsula just east of the drag strip. Comment
  HSC49918  Garrya elliptica Maralyn O'Meara 1973-2-19 191 Humboldt McKinleyville, Murray Rd. Comment
  UC154057  Garrya elliptica J. P. Tracy 1901-2-22 993 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC182149  Garrya fremontii Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  CAS-BOT-BC282613  Gastridium phleoides L. R. Abrams 1916-7-11 6025 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  POM290957  Gastridium phleoides Lyman Benson 1929-7-16 1648 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA12458  Gastridium phleoides C. B. Wolf 1934-6-30 5835 Humboldt 7 miles from Shelter Cove on road to Briceland. 152 Comment
  UC38566  Gastridium ventricosum Harley P. Chandler 1901-6-1 1506 Humboldt Klamath River; North Coast Ranges, Klamath River 426 Comment
  CAS-BOT-BC56267  Gaultheria ovatifolia Joseph P. Tracy 1939-7-9 16320 Humboldt Bald Mountain; at Lake Prairie 1066 Comment
  HSC59858  Gaultheria ovatifolia M. A. Baker 1979-7-6 1011 Humboldt .6 k W of FS rd. 15N01 on rd. 12N16, toward Bald Mtn. Comment
  CHSC27317  Gaultheria shallon T. B. Devine 1977-8-20 458 Humboldt Kneeland Road, 1 mi n of Kneeland. 548 Comment
  CHSC594  Gaultheria shallon M. Underhill 1952-7-12 Humboldt Coastal woods. 60 Comment
  HSC22502  Gaultheria shallon H. S. Logsdon 1964-5-13 40 Humboldt 4.0 mi. NE of Orick at Boye's Prairie, E side of Hwy. 101 Comment
  POM118415  Gaultheria shallon Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  RSA285358  Gaultheria shallon Lyman Benson 1925-7-13 55 Humboldt Dyerville. 61 Comment
  SBBG53002  Gaultheria shallon J. D. Hobson -Jul-1966 Humboldt Eureka Harbor, Loleta, 10 mi S of Eureka Comment
  HSC55274  Gayophytum diffusum subsp. parviflorum Overton, Butler 1979-8-2 12663 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC202459  Gayophytum heterozygum Joseph P. Tracy 1919-9-18 5248 Humboldt Trinity Summit Northern Coast Ranges 1524 Comment
  UC1222477  Genista monspessulana Joseph P. Tracy 1941-5-10 16905 Humboldt outskirts Eureka 45 Comment
  RSA18142  Gentiana oregana Carl B. Wolf 1927-8-22 807 Humboldt 1 mile south of Orick. Comment
  HSC102240  Gentiana plurisetosa Sydney Carothers 2011-9-17 Humboldt Bret Hole; 1.1 km SW of Trinity Summit 1579 Comment
  HSC19392  Gentiana plurisetosa J. O. Sawyer 1968-9-27 726 Humboldt Near Water Dog Lakes and North Trinity Mtn. 1768 Comment
  HSC75286  Gentiana plurisetosa J. O. Sawyer, D. A. Thornburgh 1980-9-9 4082 Humboldt Mill Creek Lake and surrounding meadows Comment
  HSC44735  Gentiana sceptrum Maralyn O'Meara 1971-10-25 50 Humboldt S side of Big Lagoon Comment
  RSA18063  Gentiana sceptrum Carl B. Wolf 1927-8-22 787 Humboldt Big Lagoon. Comment
  UC562303  Gentiana sceptrum Joseph P. Tracy 1924-8-3 6768 Humboldt Big Lagoon Northern Coast Region 6 Comment
  HSC8647  Geranium dissectum D. B. Bader 1963-4-1 39 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101, along the R.R. tracks Comment
  JEPS61433  Geranium molle W. L. Jepson 1902-6-25 1933 Humboldt Korbel to Angel's Ranch Comment
  HSC63005  Geranium retrorsum M. Dean Griswold Jr. 1979-5-30 95 Humboldt N side of Samoa Blvd. Comment
  SEINET196700  Gilia capillaris Joseph P. Tracy 1932-7-10 10374 Humboldt Trinity Summit Corral Prairie in wet meadow 1585 Comment
  HSC24654  Gilia capitata subsp. pacifica R. E. Jones 1966-5-13 50 Humboldt Cape Mendocino Comment
  UC23861  Gilia tricolor subsp. tricolor C. C. Marshall 1888-1 Humboldt Comment
  SEINET10464626  Githopsis specularioides Chandler CHANDLER 1345 Humboldt Hupa Indian Reservation 152 Comment
  JEPS76828  Glaux maritima L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-5-27 4806 Humboldt 1.2 mi n Eureka Bridge; Samoa Peninsula Comment
  RSA273327  Glaux maritima J. D. Ackerman 1975-6-10 453 Humboldt 1 mile N of Samoa Bridge turnoff from Samoa Blvd., S of Manila, Humboldt Bay Comment
  HSC93526  Glehnia littoralis subsp. leiocarpa Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-6 748 Humboldt Dry Lagoon State Park, between ocean and Dry Lagoon 2 Comment
  HSC10075  Glyceria declinata D. J. Wilder 1965-4-24 10 Humboldt In field where Little River crosses U.S. 101 Comment
  UC1108977  Glyceria elata Francia Chisaki and Helen K. Sharsmith 1959-8-22 4756 Humboldt Happy Camp Inner North Coast Ranges (just over Trinity County line) 914 Comment
  UC526907  Glyceria fluitans Joseph P. Tracy 1933-7-20 12801 Humboldt Arcata Bottom; North Coast Ranges 15 Comment
  RSA152380  Glyceria occidentalis Joseph P. Tracy 1939-5-14 16286 Humboldt Dinsmore's along Van Duzen River, opposite Buck Mountain 762 Comment
  CAS-BOT-BC302538  Gnaphalium palustre H. E. Parks; S. T. Parks 1937-7-1 24026 Humboldt Spruce Cove, Trinidad Comment
  JEPS34013  Gnaphalium palustre W. L. Jepson 1921-8-11 9414 Humboldt Big Lagoon Comment
  CAS-BOT-BC302534  Gnaphalium palustre Doris K. Kildale 1925-6-30 846 Humboldt Buhne's [Buhne] Point Comment
  CAS-BOT-BC302535  Gnaphalium palustre Doris K. Kildale 1925-8-17 1242 Humboldt Waterdog Lake, Trinity Summit 1828 Comment
  HSC35784  Gnaphalium palustre Thomas W. Nelson, B. Reinhardt 1975-7-30 2100 Humboldt Road out Whiting Ridge Comment
  HSC49136  Gnaphalium palustre R. Becking 1979-7-29 Humboldt Van Duzen River at Cheatam Grove E of Carlotta Comment
  HSC39939  Goodyera oblongifolia Linda M. Barker 1976-8-24 1679 Humboldt 3 mi. W of Arcata Comment
  HSC54227  Goodyera oblongifolia Griswold, Butler 1979-7-12 7293 Humboldt Near Lone Pine Ridge, close to the town of Willow Creek. 1478 Comment
  RSA381800  Goodyera oblongifolia Jane Turner, Francis M. Ball 1962-7-10 1141 Humboldt East Fork Willow Creek Forest Camp, Hwy 299 ca. 5 mi. W of Willow Creek in Six Rivers National Forest. 457 Comment
  UC1196434  Goodyera oblongifolia Joseph P. Tracy 1949-8-7 18447 Humboldt near Box Camp (Trinity Summit); Trinity Summit 1524 Comment
  UC1196436  Goodyera oblongifolia Edith and Ethel Tracy 1900-7-31 910 Humboldt opposite Eureka (Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  UC13521  Goodyera oblongifolia Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5612 Humboldt near Acorn; North-Western California Comment
  UC582586  Gratiola ebracteata Joseph P. Tracy 1936-6-28 15022 Humboldt Bald Mountain , at Lake Prairie (at Lake Prairie) 1066 Comment
  CAS-BOT-BC304743  Grindelia hirsutula Carl B. Wolf 1927-8-28 1184 Humboldt Eureka Bay, on the road to Arcata Comment
  HSC90778  Grindelia hirsutula Peter Sorensen 1976-6-28 Humboldt Woodley Island Comment
  POM253560  Grindelia hirsutula C. L. Hitchcock, J. S. Martin 1939-7-14 5437 Humboldt Bluffs facing sea at Shelter cove Comment
  UC637144  Grindelia hirsutula Edward Lee 1934-8-17 1148 Humboldt e shore Big Lagoon (35 mi n of Eureka); e shore of Big Lagoon 3 Comment
  HSC100434  Grindelia robusta Carl C. Marshall Sep 1886 253 Humboldt Marshes. Comment
  SEINET11843448  Grindelia stricta subsp. venulosa F. H. Utech 1986-1 86 -410 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  RSA21023  Grindelia stricta var. stricta C. B. Wolf 1937-9-12 9333 Humboldt Humboldt Bay, 1 mile south of Arcata on road to Eureka. 3 Comment
  HSC74384  Hackelia bella M. A. Baker 1980-6-28 2473 Humboldt Near Mad River Buttes 1445 Comment
  UC206137  Hackelia bella Joseph P. Tracy 1913-6-17 4174 Humboldt near the summit Buck Mountain; Northern Coast Ranges 1676 Comment
  HSC97938  Hackelia californica Cara Witte 2007-5-31 143 Humboldt Off National Forest 1. Near Board Camp Mountain. Approximately 4 miles south of Brays Opening and 1/2 mile west of road. 1510 Comment
  UC1222256  Hackelia setosa Joseph P. Tracy 1950-7-2 18970 Humboldt top of ridge near Elk Camp (e of Groves Prairie); Trinity Summit 1371 Comment
  CAS-BOT-BC302440  Hazardia whitneyi var. discoidea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  POM182422  Hazardia whitneyi var. discoidea Joseph P. Tracy 1919-9-27 5304 Humboldt Mountain slopes along road between Three Creeks and mouth of Willow Creek. 915 Comment
  CAS-BOT-BC306611  Helenium bigelovii Paul F. Covel 1937-7-14 1047 Humboldt Loleta Comment
  RSA168831  Helenium bigelovii Joseph P. Tracy 1949-8-11 18462 Humboldt Snow Camp. 1402 Comment
  CAS-BOT-BC306863  Helenium bolanderi Doris K. Kildale 1927-6-26 3592 Humboldt Patrick's Point Comment
  CAS-BOT-BC309413  Helenium puberulum E. R. Johnson 1929-8-1 1431 Humboldt Along the Redwood Highway, south of Eureka 30 Comment
  HSC45215  Hemitomes congestum Louise Watson, Mary Lou Schreiber 1978-9-29 Humboldt West side of summit, 1/4 mi. N. of McKinleyville-Fieldbrook Rd. Bulk Collection 137 Comment
  HSC100436  Hemizonella parvula Carl C. Marshall Jun 1886 25 Humboldt South Fork Mtn. Comment
  SEINET10313942  Hemizonia congesta Unknown 1966-6-15 2091 Humboldt Humboldt County Comment
  JEPS12639  Hemizonia congesta subsp. tracyi W. L. Jepson 1934-5-8 16721 Humboldt n of Redway; South Fork Eel River Comment
  UC1199368  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-5-30 7020 Humboldt 228 Comment
  BLMAR749  Heracleum maximum Kate McGrath 2015-7-13 748 Humboldt King range, strawberry rock grazing allotment 189 Comment
  HSC55976  Heracleum maximum G. L. Clifton 1979-7-31 11369 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC99511  Heracleum maximum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 173 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
  UCR37532  Hesperevax sparsiflora var. brevifolia L. P. Janeway, Amy Eisenberg 1984-4-25 747 Humboldt North Spit of Humboldt Bay; southeast side of intersection of Samoa and Fairhaven roads, northeast of the willow patch 3 Comment
  HSC1203  Hesperocyparis macrocarpa W. R. Brigham 1962-5-3 25 Humboldt Near N end of old Hwy. 101 N of Big Lagoon Rd. Comment
  RSA178554  Hesperolinon micranthum Joseph P. Tracy 1950-7-6 18994 Humboldt Buck Mountain: High meadow on west side, 3 miles south of Burr Valley, on the Albee Road. 1159 Comment
  UC176961  Heterocodon rariflorum Joseph P. Tracy 1912-7-25 3822 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  CAS-BOT-BC143656  Heteromeles arbutifolia Doris K. Kildale 1926-6-13 2163 Humboldt Briceland Bridge, 1/2 mile west of Garberville 114 Comment
  HSC60060  Heuchera micrantha M. A. Baker 1978-5-20 561 Humboldt Hoopa Indian Reservation Comment
  HSC41261  Hieracium albiflorum Brad Klipfel 1974-7-23 453 Humboldt Horse Mountain, NW from the towers Comment
  HSC57023  Hieracium albiflorum Overton, Butler 1979-7-24 9640 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  SEINET10839135  Hieracium albiflorum Mary Merello 1993-6-19 Merello 661 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest. 90 Comment
  UC165195  Hieracium albiflorum J. P. Tracy 1900-7-22 905 Humboldt immediate vicinity Eureka 0 Comment
  UC582413  Hieracium albiflorum Joseph P. Tracy 1930-7-16 8915 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC44097  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3706 Humboldt Beside road 2S08 at Alder Spring 1585 Comment
  HSC44135  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1977-7-1 3577 Humboldt Along W side of road N from Alder Spring, head of N Fork of Conley Creek 1463 Comment
  HSC56999  Hieracium bolanderi Overton, Butler 1979-7-24 9580 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  HSC74477  Hieracium greenei Gail Newton 1980-7-24 1765 Humboldt Near Somes Mtn. 1615 Comment
  JEPS70574  Hierochloe occidentalis Milo S. Baker 1923-7-20 60 Humboldt Redwood House Road Comment
  SDSU1121  Hierochloe occidentalis D. F. Howe 1962-5-22 3304 Humboldt 3 miles east of Orick on Bald Mt. road 396 Comment
  SEINET181184  Hierochloe occidentalis Bassett Maguire, Ruth Maguire; CB Maguire 1934-6-8 15071 Humboldt Bolling Grove State Park ; unspecified Comment
  HSC59498  Hippuris vulgaris M. A. Erickson 1979-4-20 210 Humboldt Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  RSA0016043  Hippuris vulgaris Carl B. Wolf 1939-7-6 9517 Humboldt Dry Lagoon. 2 Comment
  HSC59684  Hirschfeldia incana George Kirn 1977-10-15 Humboldt Eureka, Q and 3rd St. 12 Comment
  HSC79506  Hirschfeldia incana Kenneth Clark 1980-5-10 639 Humboldt Shelter Cove, lower alluvial terrace of Dead Man's Gulch 15 Comment
  CAS-BOT-BC280734  Holcus lanatus Doris K. Kildale 1928-6-24 7062 Humboldt Redwood Creek at Berrys 289 Comment
  CAS-BOT-BC280735  Holcus lanatus L. R. Abrams 1916-7-11 6018 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  CAS-BOT-BC280738  Holcus lanatus Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park Comment
  HSC10140  Holcus lanatus N. R. Waite 1965-5-21 54 Humboldt W edge of Humboldt State College Campus. Comment
  HSC26537  Holcus lanatus J. P. Smith 1971-9-9 5040 Humboldt Mad River above the Fish Hatchery. Comment
  POM232313  Holcus lanatus I. L. Wiggins 1930-6-25 4614 Humboldt Sand dunes 2 miles north of Samoa. Comment
  SACT001293  Holcus lanatus Lyle Bibb 1963-5-11 Humboldt Comment
  UC1103731  Holcus lanatus J. P. Tracy 1901-4-7 1012 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC922019  Holcus lanatus Joseph P. Tracy 1949-7-6 18330 Humboldt Eureka 30 Comment
  UC180502  Holcus mollis Joseph P. Tracy 1914-9-13 4626 Humboldt Eureka Northern Coast Region, Eureka 0 Comment
  CAS-BOT-BC149909  Holodiscus discolor C. C. Harris; S. K. Harris 1936-6-9 329 Humboldt Behind Mrs. Wilder's, Carlotta Comment
  HSC45632  Holodiscus discolor Diane L. Reed 1978-4-22 10 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  RSA85262  Holodiscus discolor F. W. Peirson 1926-7-13 8655 Humboldt Near Blue Lake, Mad River. Comment
  UC666848  Holodiscus discolor Joseph P. Tracy 1937-6-20 15347 Humboldt Bear River 10 miles upstream from the mouth Bear River 152 Comment
  UC175631  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1912-7-31 3909 Humboldt nw slope Buck Mountain (Burr Valley); Northern Coast Ranges, nw slope Buck Mountain, Burr Valley 1066 Comment
  UC526788  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1927-6-26 8208 Humboldt Stone lagoon 6 Comment
  CAS-BOT-BC289565  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1935-5-25 13866 Humboldt Fort Seward 106 Comment
  UC34063  Hordeum marinum subsp. gussoneanum J. P. Tracy 1901-6-16 1144 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  CAS-BOT-BC289564  Hordeum marinum subsp. gussoneanum Henry M. Pollard 1946-8-27 s.n. Humboldt South sid eof Klamath River near Bryce Creek, Orleans region Comment
  HSC104057  Hordeum murinum C. Reynolds 2015-4-28 41 Humboldt Along trail through Arcata Marsh, near Interpretive Center 5 Comment
  HSC103010  Hordeum murinum subsp. murinum J. P. Smith 2014-5-20 13852 Humboldt Samoa Peninsula 6 Comment
  HSC104047  Hordeum murinum subsp. murinum Kyle Brown Apr 2015 31 Humboldt Along trail at Ma-le'l Dunes 3 Comment
  HSC10231  Hordeum vulgare S. J. Hawks 1965-4-6 23 Humboldt Along Clam Beach access road. Comment
  UC902136  Horkelia californica Joseph P. Tracy 1949-7-7 18332 Humboldt Table Bluff Ridge 91 Comment
  CAS-BOT-BC144081  Horkelia sericata Harley P. Chandler 1901-6-1 1543 Humboldt Klamath RIver 426 Comment
  HSC70253  Horkelia tridentata var. flavescens M. A. Baker 1980-6-8 1920 Humboldt Near Buck Flat. 1554 Comment
  CAS-BOT-BC206123  Hosackia crassifolia Clarence R. Quick 1959-7-24 59 -37 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC13557  Hydrophyllum occidentale H. E. Parks, J. P. Tracy 1935-6-16 Humboldt Buck Mtn. Comment
  SBBG28785  Hydrophyllum occidentale L. Constance, A. A. Beetle, J. P. Tracy 1940-5-17 2618 Humboldt lower slopes of Buck Mtn near Eureka 792 Comment
  SEINET12347577  Hydrophyllum tenuipes F. H. Utech 1988-5-23 88 -267 Humboldt 14 mi W of Bridgeville enroute to Carlotta on CA 36 50 Comment
  HSC57872  Hypericum anagalloides Walter Overton, Butler 1979-7-31 11401 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC74685  Hypericum anagalloides Gail Newton 1981-8-7 2457 Humboldt Near Board Camp Mtn. 1478 Comment
  UC1198406  Hypericum formosum var. scouleri Joseph P. Tracy 1932-9-16 10799 Humboldt Dow's Prairie Northern Coast Ranges, Dow's Prairie 60 Comment
  UC1198404  Hypericum formosum var. scouleri Joseph P. Tracy 1920-7-25 5345 Humboldt Dows Prairie Northern Coast Ranges, Humboldt Bay, Dows Prairie 60 Comment
  JEPS66840  Hypericum perforatum W. L. Jepson 1927-7-3 12368 Humboldt S. Fork Eel R. at Miranda; S. Fork Eel R. 228 Comment
  BLMAR223  Hypericum perforatum Jennifer Anthony-Wheeler 1996-7-11 223 Humboldt N. Dobbyn creek 1005 Comment
  CAS-BOT-BC401228  Hypericum perforatum Doris K. Kildale 1925-6-20 711 Humboldt Coast above Big Lagoon 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
  UC127571  Hypochaeris radicata Harley P. Chandler May 1901 1126 Humboldt Arcata North Coast Ranges, Humboldt Bay 30 Comment
  CAS-BOT-BC311439  Hypochaeris radicata Doris K. Kildale 1925-7-17 1074 Humboldt Cutten - McDonald Tract - Eureka Comment
  HSC40966  Ilex aquifolium Linda M. Barker 1976-6-14 1594 Humboldt 3 mi. W of Arcata Comment
  UC302050 Image available Iliamna latibracteata Joseph P. Tracy 1926-6-12 7585 Humboldt Prairie Creek 152 Comment
Read comments
Feb 27 2012
  HSC55838  Ipomopsis aggregata G. L. Clifton, Griswold 1979-7-25 10775 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  SEINET200732  Ipomopsis aggregata J. P. Tracy 1932-7-12 10440 Humboldt Trinity summit at Corral Prairie 1585 Comment
  SEINET12046798  Iris douglasiana T. R. Crumbo 1977-1 5 Humboldt 15 ft from Hwy36 on N side, 3 mi W of Bridgeville. Weott Quadrangle, Sect. 16, T1N, R3W 183 Comment
  UCD138708  Iris douglasiana L. W. Lenz; E. K. Balls 1956-6-12 21666 Humboldt Between Willow Creek and Blue Lake, U.S. Hwy 299. 365 Comment
  HSC74237  Iris purdyi M. A. Baker 1980-7-11 2796 Humboldt Near Red Mtn. 1341 Comment
  JEPS93199  Iris purdyi Carol A. Wilson 1992-4-26 92 -8 Humboldt 1.5 mi n of Miranda ( 100 ft on Cathey Road from Redwood Drive) 91 Comment
  SEINET12051377  Iris tenax subsp. klamathensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -314 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  RSA120727  Isatis tinctoria S. S. Tillett 1956-7-6 606 Humboldt Above Klamath River, along Ishi Rish Road, 1 mi N of Orleans. 168 Comment
  CAS-BOT-BC88654  Isatis tinctoria J. H. Thomas 1949-6-12 900 Humboldt Near Klamath River, about 0.5 mile north of town of Orleans. Comment
  HSC61723  Isatis tinctoria Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 238 Comment
  UC667944  Isoetes howellii Joseph P. Tracy 1935-5-25 13842 Humboldt Fort Seward 106 Comment
  JEPS11945  Isolepis cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-10 4759 B Humboldt along U.S. Highway 101 0.4 mi s of the southern boundary marker Dry Lagoon Beach State Park; s of Dry Lagoon Beach State Park Comment
  BLMAR430  Jaumea carnosa Clara Sander 2004-8-30 430 Humboldt South Spit, 1.6km north on the south spit 3 Comment
  UC637154  Jaumea carnosa Edward Lee 1934-8-17 1149 Humboldt 35 mi n Eureka (e shore of Lagoon); Big Lagoon 3 Comment
  UC165200  Jaumea carnosa Joseph P. Tracy 1909-9-19 3101 Humboldt bay shore at Samoa; North Coast Ranges, vicinity of Humboldt Bay 0 Comment
  CAS-BOT-BC101963  Juglans hindsii Henry M. Pollard 1947-8-30 s.n. Humboldt Along Klamath River nr. Wilson Creek, Orleans region Comment
  JEPS5820  Juncus bolanderi W. L. Jepson 1932-7-24 16393 Humboldt Tooey Ranch Garberville Comment
  CHSC43010  Juncus breweri L. P. Janeway 1987-7-31 2538 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  UCD141425  Juncus covillei Linda M. Barker 1976-6-22 1623 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC98006  Juncus covillei Cara Witte 2007-7-12 516 Humboldt Forest Service Road 5N10. 2 miles east of intersection with National Forest 1. 1339 Comment
  HSC90769  Juncus ensifolius Gail Newton 1982-6-10 3597 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC57093  Juncus exiguus Walter Overton, Marvin Butler 1979-7-24 9815 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC39048  Juncus falcatus Linda M. Barker 1976-6-22 1623 Humboldt 3 mi. W of Arcata Comment
  UC421740  Juncus hesperius Henry Melde 1902-2-8 Humboldt Eureka Comment
  HSC82399  Juncus howellii Thomas W. Nelson 1979-7-11 5015 Humboldt N Trinity Mtn. and ridge to E 1829 Comment
  HSC96370  Juncus lescurii Gordon Leppig 1999-10-3 1259 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  UCD150380  Juncus lescurii William Anderson and H. Mc. 1964-8-5 s.n. Humboldt Dry Lagoon. Comment
  RSA246772  Juncus nevadensis var. inventus Robert F. Thorne, Percy C. Everett 1965-8-9 35312 Humboldt Big Lagoon. 3 Comment
  HSC14075  Juncus oxymeris D. E. Anderson 1965-9-5 4089 Humboldt Along Mad River, 3 mi. S of Blue Lake Comment
  HSC79500  Juncus patens Kenneth Clark 1980-6-14 682 Humboldt Shelter Cove, N Fork of Dead Man's Gulch. 122 Comment
  RSA53820  Juncus patens Henry M. Pollard 1945-8-27 s.n. Humboldt Pond near Harley Place, near Orleans. Comment
  SD87718  Keckiella corymbosa Frank W. Peirson 1926-7-12 7025 Humboldt Klamath River near Weitchpec Comment
  NY790273  Keckiella corymbosa W. C. McCalla 1935-7-29 4253 Humboldt Open valley of Eel River Comment
  UC1103696  Koeleria macrantha Joseph P. Tracy 1934-6-19 13233 Humboldt Carlotta; Northern Coast Ranges 60 Comment
  UC187287  Koeleria macrantha Joseph P. Tracy 1908-6 2778 Humboldt nw slope Buck Mountain; Northern Coast Ranges, nw slope of Buck Mountain 914 Comment
  UC922033  Koeleria macrantha Joseph P. Tracy 1936-8-2 15072 Humboldt French Camp Ridge 1066 Comment
  HSC43232  Lactuca saligna R. Sutherland 1976-8-6 9 .6876 Humboldt 229 Comment
  HSC95607  Lamiastrum galeobdolon Gordon Leppig, Kai Neander 2000-4-13 1292 Humboldt Arcata Community Forest, 100 m S of trail 5 & 10 intersection 91 Comment
  UC1239673  Lamium amplexicaule Joseph P. Tracy 1939-7-8 16314 Humboldt Eureka 30 Comment
  HSC14214  Lamium purpureum S. J. Roberts 1965-4-10 26 Humboldt Dike of old Mad River channel Comment
  HSC14215  Lamium purpureum D. E. Anderson 1962-3-18 1945 Humboldt Corner of Hwy. 101 and Hwy. 299 Comment
  CAS-BOT-BC337868  Lapsana communis Henry M. Pollard 1946-8-26 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon Comment
  POM208992  Lasthenia californica Lincoln Constance 1934-5-23 616 Humboldt Look Prairie, Bull Creek Watershed, Humboldt Redwood Park 366 Comment
  JEPS17255  Lasthenia glaberrima Joseph P. Tracy 1930-6-15 8748 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  CAS-BOT-BC352930  Lasthenia glaberrima S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3439 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  HSC14738  Lathyrus littoralis Norman H. Moe 1962-5-3 Humboldt Lanphere's Place Comment
  HSC14746  Lathyrus littoralis J. W. Johnson 1962-4-18 1259 Humboldt Between the mouth the Mad River and the Hunt Farm, Samoa Peninsula. Comment
  HSC45332  Lathyrus littoralis R. York, Linda York 1978-4-1 100 Humboldt End of lighthouse Rd., 2 mi. SE of Petrolia. Comment
  RSA406671  Lathyrus littoralis Charlotte M. Hoak 1931-7-14 s.n. Humboldt Sand dunes above Eureka City. Comment
  SEINET955878  Lathyrus littoralis Gordon Leppig, Kai Neander 1998-1 787 Humboldt Big Lagoon State Park. 2 Comment
  HSC71466  Lathyrus nevadensis var. nevadensis J. P. Smith, J. O. Sawyer 1973-5-12 6701 Humboldt 9.6 mi. from Redwood Creek on Hoopa Rd. Comment
  JEPS79916  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1922-5-29 6062 Humboldt Northern Coast Ranges, South Yager Creek Valley South Yager Creek Valley; Northern Coast Ranges, South Yager Creek Valley 762 Comment
  POM277780  Lathyrus polyphyllus Lyman Benson 1930-7-18 2189 Humboldt Arcata 457 Comment
  UC1222410  Lathyrus polyphyllus Joseph P. Tracy 1948-5-31 18008 Humboldt near Harris (0.5 mi w and up hill toward Spruce Grove) Comment
  UC931687  Lathyrus polyphyllus C. L. Hitchcock 1949-6-8 19090 Humboldt ca 10 mi w Willow Creek (near Highway 299) Comment
  HSC45101  Lathyrus sphaericus R. Sutherland 1978-5-12 4 .12578 Humboldt McKee Flat 288 Comment
  SDSU4206  Lathyrus sulphureus D. F. Howe 1962-5-21 3298 Humboldt 16 miles north of Garberville on #101. 61 Comment
  JEPS55297  Lathyrus torreyi Milo S. Baker 1923-7-20 57 Humboldt road to Yager from Redwood House 609 Comment
  UC15322  Lathyrus vestitus Joseph P. Tracy May 1901 1201 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  UC162589  Lathyrus vestitus Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5358 Humboldt Bell Springs to Harris; North Coast Ranges Comment
  HSC81966  Lathyrus vestitus subsp. bolanderi Thomas W. Nelson, Jane P. Nelson 1979-7-3 4942 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  RSA88215  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1948-6-7 19085 Humboldt Ca 15 mi les east of Blue Lake, along Highway #299. Comment
  UC168987  Lathyrus vestitus var. vestitus Joseph P. Tracy 1912-8-3 3971 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC169300  Lathyrus vestitus var. vestitus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3610 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UCD133972  Leontodon saxatilis Linda M. Barker 1976-5-13 1488 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC14403  Lepidium densiflorum Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  BLMAR462  Lepidium nitidum Jennifer Anthony-Wheeler 2008-3-7 462 Humboldt Samoa dunes, growing in Samoa #3 Endangered Plant Protection Area 12 Comment
  HSC22865  Leptosiphon androsaceus D. E. Anderson 1965-5-8 3636 Humboldt 4 mi. E of Berry Summit along Hwy. 299 Comment
  HSC45057  Leptosiphon androsaceus R. Sutherland 1978-4-24 9 .24478 Humboldt 323 Comment
  CAS-BOT-BC341829  Lessingia nemaclada Harley P. Chandler 1901-6-1 1503 Humboldt North Coast Ranges. Klamath River 426 Comment
  UC581778  Lessingia nemaclada Joseph P. Tracy 1929-8-18 8656 Humboldt opposite Buck Mountain; Northern Coast Ranges, Van Duzen River, Dinsmore's Ranch 670 Comment
  CAS-BOT-BC94818  Leucanthemum vulgare R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-6 837 Humboldt Humboldt Redwoods S.P., Pole Line Prairie along Pole Line Road, 1 air mi. N of Mattole Rd., 6 mi. E of Hwy. 101 274 Comment
  CHSC32811  Leucanthemum vulgare Lora Anderson 1981-4-26 8 Humboldt Ch. 4 mi ne of Arcata, 200 yds n of Hwy. 299. 60 Comment
  UC166082  Leucanthemum vulgare Joseph P. Tracy 1909-5-30 2978 Humboldt immediate vicinity of Eureka 0 Comment
  HSC48837  Lewisia nevadensis Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 28 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  UC673020  Lewisia nevadensis Joseph P. Tracy 1933-7-11 12687 Humboldt Grouse Mountain 1524 Comment
  HSC44553  Lewisia triphylla Brad Klipfel 1973-7-15 172 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC283516  Leymus X vancouverensis W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula Comment
  RSA10128  Leymus triticoides Joseph P. Tracy 1929-6-3 8601 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC75877  Ligusticum apiifolium Bill Copeland 1980-7-2 575 Humboldt Near Snow Camp Mtn. 1311 Comment
  HSC102175  Ligusticum grayi M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1088 Humboldt Patterson Meadows 1555 Comment
  UC205462  Lilaeopsis occidentalis Joseph P. Tracy 1920-8-29 5391 Humboldt mouth of Little R.; Northern Coast Ranges 6 Comment
  UC13798  Lilium columbianum Chesnut and Drew 1888-7-8 Humboldt near Arcata Comment
  CAS-BOT-BC508402  Lilium columbianum A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt A few miles north of Arcata near U.S. Highway 101 Comment
  CAS-BOT-BC130637  Lilium kelloggii Albert M. Vollmer; Ira L. Wiggins 1940-7-4 6 Humboldt On Orick-Weitchpec road, 15 miles west of Weitchpec 944 Comment
  CHSC98393  Lilium kelloggii Dean Wm. Taylor 2004-6-23 19116 Humboldt Fickle Hill Road 1.3 miles north of junction Butler Valley road. 731 Comment
  HSC33663  Lilium occidentale Doris K. Niles, Thomas W. Nelson 1974-6-20 Humboldt Wiggins Ranch, W of garbage dump Comment
  UC673408  Lilium occidentale Herbert L. Mason 1932-7-21 7106 Humboldt Trinidad Head Comment
  RSA12542  Lilium pardalinum Carl B. Wolf 1934-7-2 5896 Humboldt Small lake at Snow Camp (Mountains east of Korbel). 1372 Comment
  HSC102580  Lilium pardalinum subsp. shastense M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1567 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC72679  Lilium rubescens J. P. Smith 1977-7-3 9243 Humboldt Road to Onion Mtn., 1/4 mile from its junction with USFS Rd. 10N41 762 Comment
  JEPS99290  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt near Dinsmore (Van Duzen River) 730 Comment
  HSC98357  Lilium vollmeri T. Jimerson, J. Pageau 1979-6-22 600 Humboldt Near Bee Mtn., close to the town of Orleans 656 Comment
  CAS-BOT-BC133011  Lilium washingtonianum subsp. purpurascens Tom Craig 1941-6-28 s.n. Humboldt Near Yager, S.E. of Eureka Comment
  UC13797  Lilium washingtonianum subsp. purpurascens Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  OBI12584  Limnanthes douglasii Carl B. Wolf 1937-6-14 8818 Humboldt North Coast Range, Kneeland Prairie 823 Comment
  UC1197417  Limnanthes douglasii Joseph P. Tracy 1946-5-19 17536 Humboldt Kneeland Prairie 762 Comment
  SEINET6950811  Limnanthes douglasii Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  HSC97634  Limnanthes douglasii subsp. nivea Cara Witte 2007-6-4 191 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC1184177  Limnanthes douglasii subsp. nivea Robert Ornduff 1960-6-1 6178 Humboldt about 3 mi e Garberville (on road to Alder Point) Comment
  UC154019  Limonium californicum Joseph P. Tracy 1901-8-7 1254 Humboldt Samoa Northern Coast Region, Region about Humboldt Bay (salt marsh) 0 Comment
  UC1198571  Linanthus bicolor Joseph P. Tracy 1906-6-10 2483 Humboldt Kneeland Prairie, at Fitzgerald's Northern Coast Ranges 762 Comment
  UC1198537  Linanthus filipes Joseph P. Tracy 1932-6-13 10156 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC902241  Linaria vulgaris Joseph P. Tracy 1941-9-1 16996 Humboldt Blue Lake 30 Comment
  CDA6373  Linaria vulgaris E. C. Whitney 1964-8-12 Humboldt Zuber property, Orick. 0 Comment
  HSC99851  Linnaea borealis subsp. longiflora T. Jimerson, J. Pageau 1979-6-12 533 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  HSC46165  Linum bienne J. P. Smith 1971-10-9 5008 Humboldt Mad River above the Fish Hatchery. Comment
  HSC59444  Linum bienne Kenneth Clark 1979-4-18 110 Humboldt 1 block E on California Ave., in Arcata. Comment
  UC1083192  Lithocarpus densiflorus Herbert L. Mason 1928-7-14 4899 Humboldt near Garberville (East Fork of Eel River); East Fork of Eel River Comment
  CAS-BOT-BC36101  Lithocarpus densiflorus var. densiflorus L. B. Kildale 1930-8-10 10536 Humboldt Snow Camp, head of Redwood Creek Comment
  RSA697655  Lithocarpus densiflorus var. densiflorus Unspecified 1936-09 s.n. Humboldt Richardson's Grove (State Park). Comment
  UC154138  Lithophragma affine Mrs. M. H. Manning Apr. 1902 Humboldt near Hupa; near Hupa Comment
  HSC98767  Lithophragma campanulatum Cara Witte 2008-6-27 760 Humboldt Approximately 1.5 miles south of intersection National Forest 1 and 5N04. 1546 Comment
  CAS-BOT-BC435647  Lithophragma heterophyllum Joseph P. Tracy 1932-4-24 9827 Humboldt South fork of Eel River, between Miranda and Redway 91 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
  CAS-BOT-BC342348  Logfia gallica Henry M. Pollard 1945-8-26 s.n. Humboldt Between Orleans and Camp Creek, Klamath River Canyon Comment
  RSA32732  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Near Arcata. Comment
  SEINET10657158  Lolium perenne A. Arthur Heller 1923-7-9 Heller 13779 Humboldt Plentiful in a salt marsh between Arcata and Eureka in alkaline soil Comment
  HSC32283  Lomatium ciliolatum var. ciliolatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5619 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC55353  Lomatium macrocarpum Terry Griswold, Butler 1979-7-12 7279 Humboldt Near Cedar Creek 1158 Comment
  HSC70564  Lomatium macrocarpum M. A. Baker 1980-7-23 3141 Humboldt Near Orleans Mtn. 1859 Comment
  UC1222757  Lomatium nudicaule Joseph P. Tracy 1951-6-26 19573 Humboldt vicinity Twin Lakes Comment
  CAS-BOT-BC211199  Lomatium tracyi Joseph P. Tracy 1930-7-10 8869 Humboldt Brannan Mountain 1219 Comment
  UC1197141  Lomatium utriculatum Joseph P. Tracy 1947-6-25 17718 Humboldt opposite Buck Mt. (along Van Duzen R., Dinsmore's); Dinsmore's, Van Duzen R. 762 Comment
  CAS-BOT-BC240479  Lonicera hispidula Carl B. Wolf 1927-8-28 1164 Humboldt Hoopa [Hupa Valley] Indian Reservation, on the Trinity River, 8 mi. from Weitchpec Comment
  CAS-BOT-BC241484  Lonicera involucrata var. ledebourii Doris K. Kildale 1925-9-26 1363 Humboldt Mouth of Mad River - coast Comment
  CAS-BOT-BC241485  Lonicera involucrata var. ledebourii Mrytle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC241488  Lonicera involucrata var. ledebourii Ashley C. Browne 1938-6-11 s.n. Humboldt Patrick's [Patricks] Point State Park Comment
  UC1222486  Lonicera involucrata var. ledebourii Joseph P. Tracy 1950-9-2 19346 Humboldt 2 mi s Field's Landing town Comment
  UC180197  Lonicera involucrata var. ledebourii Joseph P. Tracy 1914-6-14 4506 Humboldt near Hydesville; Northern Coast Region 60 Comment
  SEINET3523667 Image available Lotus A. A. Heller 1923-7-9 13778 Humboldt Near Blue Lake, 5 mi from Arcata Comment
  HSC99573  Lotus crassifolius K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 238 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
  UC80841  Lotus denticulatus W. W. Price 1890-7-1 Humboldt Mad River Comment
  UC204647  Lotus scoparius Joseph P. Tracy 1918-7-6 5048 Humboldt near Humboldt-Mendocino County line; Northern Coast Ranges, South Fork of Eel River 152 Comment
  SEINET3136450  Lotus yollabolliensis R. W. Spellenberg 1990-7-9 10230 Humboldt 7 air mi WNW of Hyampom, 40 mi S of Calif. Hwy 299 and Berry Summit on USFS Road 1, ca 1 mi N of Blake Mtn. on South Fork Mtn 1768 Comment
  SEINET12151354  Lotus yollabolliensis J. P. Tracy 1941-1 17048 Humboldt South Fork Mtn, nr Blake Lookout 1737 Comment
  UC314622  Ludwigia palustris Joseph P. Tracy 1926-8-12 7765 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  RSA21198  Luina hypoleuca C. B. Wolf 1937-8-9 9086 Humboldt Klamath River, 5 7/10 miles above Orleans. Comment
  SEINET11810522  Luina hypoleuca J. P. Tracy 1944-1 17489 Humboldt near Romanzoffia Creek, Willow Creek Canyon, along Trinity Highway 366 Comment
  CAS-BOT-BC201188  Lupinus Doris Kildale Gillespie 1931-6-7 10637 Humboldt South Fork Mt., Black Lookout 1726 Comment
  UC1223278  Lupinus albicaulis var. shastensis Joseph P. Tracy 1950-7-2 18968 Humboldt 6 mi ne Hawkins Bar (e of Grove's Prairie); Trinity Summit Range, Happy Camp Mountain 1371 Comment
  HSC1872  Lupinus albifrons F. Morrell 1949-5-14 19 Humboldt Weitchpec Comment
  CDA27368  Lupinus albifrons var. collinus K. Eickhoff, C. M. Witte 2005-6-24 15 Humboldt Approximately 13 miles south of Highway 299 on NF1. Comment
  CAS-BOT-BC196399  Lupinus arboreus R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-3 178 Humboldt On sand dunes of Clam Beach Comment
  CDA27379  Lupinus arboreus T. C. Fuller 1961-9-28 7052 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  CHSC19506  Lupinus arboreus Gary J. Sebbings 1970-4-18 64 Humboldt Along U.S. lol 1.0 mi north of Clam Beach exit. Comment
  UCD106590  Lupinus arboreus Linda M. Barker 1976-5-13 1474 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCR122384  Lupinus arboreus George K. Helmkamp, E. A. Helmkamp 2001-7-8 6999 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  RSA331967  Lupinus arboreus var. arboreus Dave Kelly, Walter Wisura, A. Kelly 1985-7-28 4065 Humboldt Outer sand dunes near Manilla, Samoa Peninsula near Eureka Comment
  HSC40960  Lupinus bicolor Linda M. Barker 1976-6-1 1564 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC503014  Lupinus elmeri Joseph P. Tracy Jul 16 1930-Jul 19 1930 8954 Humboldt near Blake lookout (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1737 Comment
  UC168977  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-6-9 3663 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  UC1776379  Lupinus latifolius var. latifolius R. Spellenberg 1990-7-9 Humboldt Extreme E edge county, 14 air mi. SW of Burnt Ranch, 14 mi S of Calif Hwy 299 and Berry Summit on USFS Rd. 1, on Pilot Ridge. 1371 Comment
  UC503015  Lupinus latifolius var. viridifolius Joseph P. Tracy 1929-7-4 8624 Humboldt French Camp Ridge; Northern Coast Ranges, French Camp Ridge 1066 Comment
  UC1223262  Lupinus lepidus var. lobbii Joseph P. Tracy 1933-7-25 12874 Humboldt Grouse Mountain, near Clear Lake 1524 Comment
  UC146917  Lupinus littoralis Harley P. Chandler May, 1901 1147 Humboldt Samoa North Coast Ranges, Humboldt Bay (Humboldt Bay) 3 Comment
  UC774981  Lupinus luteolus Carl B. Wolf 1937-8-12 9211 Humboldt on road to Kneeland 20 mi n Bridgeville; North Coast Range 457 Comment
  HSC41636  Lupinus lyallii var. villosus Thomas W. Nelson, Jane P. Nelson 1977-6-19 3511 Humboldt Along rd. to Pine Mtn. SW of Alder Springs 1494 Comment
  HSC89503  Lupinus rivularis M. Roantree 1985-5-30 76 Humboldt E side of Trinidad Head along dirt road Comment
  HSC14863  Lupinus rivularis J. L. Baker 1965-4-28 29 Humboldt Humboldt Meridian, 4 mi. N of Arcata on N Bank Rd. Comment
  SD39056  Lupinus tidestromii Edith A. Purer 1932-7-25 4142 Humboldt Near Somoa Comment
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Apr 4 2020
  HSC46925  Lupinus tracyi Brad Klipfel 1973-8-3 308 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SEINET12154787  Lupinus variicolor J. P. Tracy 1938-1 15940 Humboldt Brainards Point, betw Eureka and Arcata Comment
  HSC74684  Luzula comosa Gail Newton 1981-8-7 2471 Humboldt Near Board Camp Mtn. 1478 Comment
  HSC85902  Luzula comosa Barry Silver 1986-4-23 533 Humboldt Bair Rd., 10 mi. NW of junction with Hwy. 299: Pine Ridge Summit Area 997 Comment
  HSC98824  Luzula comosa Cara Witte 2007-5-24 117 Humboldt Along National Forest 1. Approximately 1 mile south of intersection to Horse Mountain Mine and Communication Towers. 1412 Comment
  HSC14138  Luzula parviflora H. E. Parks, S. T. Parks Jun 1952 22446 Humboldt Bishop Pine Lodge, Trinidad Comment
  HSC56452  Luzula parviflora Griswold, Butler 1979-7-12 7213 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC70988  Luzula parviflora Gail Newton 1980-7-20 1649 Humboldt Near Bell Swamps. 1426 Comment
  UC1152125  Luzula parviflora Joseph P. Tracy 1930-7-17 8973 Humboldt near McKay camp; South Fork Mountain, near McKay Camp 1676 Comment
  HSC102059  Luzula subcongesta M. R. Mesler, Robin Bencie, K. A. Wayman 2011-7-12 1165 Humboldt Patterson Meadows 1566 Comment
  LA205865  Lycopodiella inundata Lawrence L. Kiefer; D. Branscomb 1964-5-20 1436 Humboldt Big Lagoon State Park 15 Comment
  HSC43315  Lycopodium clavatum John DeMartini 1977-12-15 Humboldt McKinleyville, along Mill Creek just below forks, along N side of creek. Comment
  UC1198466  Lythrum hyssopifolia Joseph P. Tracy 1920-8-15 5380 Humboldt Klamath River at Bluff Creek, Northern Coast Ranges Bluff Creek; Northern Coast Ranges, Klamath River, Bluff Creek 152 Comment
  CAS-BOT-BC344357  Madia exigua L. R. Abrams 1916-7-11 5995 Humboldt Between Blocksberg & Bridgeville Comment
  HSC49904  Madia exigua Maralyn O'Meara 1973-6-12 203 Humboldt S-facing slope Comment
  SEINET7016732  Madia exigua Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near west end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC343020  Madia gracilis Joseph P. Tracy 1935-7-23 14132 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  JEPS19928  Madia gracilis Lincoln Constance 1934-5-29 711 Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  SEINET11810616  Madia gracilis subsp. pilosa J. P. Tracy 1950-1 19026 Humboldt Sproston's Place, 3 mi S of Burr Valley 1067 Comment
  RSA792307  Madia madioides Rebecca Wenk, P. Hopkinson, M. Hammond, S. Spiegal 2008-6-6 835 Humboldt Humboldt Redwoods State Park. Look Prarie, 0.5 air miles north of Mattole Road, about 3 air miles west of Highway 101. 244 Comment
  UCR123956  Madia madioides George K. Helmkamp, E. A. Helmkamp 2001-7-8 6972 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC45075  Madia sativa R. Sutherland 1976-8-6 8 .6876 Humboldt 229 Comment
  HSC59066  Maianthemum dilatatum Thomas Wood 1979-4-20 120 Humboldt Along frontage road, parallel and E of Hwy. 101 at Patrick Creek Dr. intersection, S of Patrick Creek 6 Comment
  CAS-BOT-BC508519  Maianthemum dilatatum Alice Eastwood 1907-4-21 35 Humboldt Port Trinidad Comment
  HSC42005  Maianthemum racemosum subsp. amplexicaule Tom Duebendorfer 1977-5-15 52 Humboldt 8.9 mi. E on Ward Rd. from junction of Maple Creek Rd. and Old Hwy. 299 610 Comment
  HSC70565  Maianthemum racemosum subsp. amplexicaule M. A. Baker 1980-7-23 3186 Humboldt Near Orleans Mtn. 1859 Comment
  CAS-BOT-BC511459  Maianthemum racemosum subsp. amplexicaule Huron H. Smith 1911-6-6 3795 Humboldt Field Museum of Natural History, Vances Camp 19 Comment
  RSA0009527  Maianthemum racemosum subsp. amplexicaule Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SEINET12051383  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -286 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  HSC48751  Maianthemum stellatum Brad Klipfel 1973-6-10 77 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  POM187937  Malacothrix floccifera Marcus E. Jones 1931-7-16 29095 Humboldt Junction, East of Arcata. Comment
  CAS-BOT-BC140140  Malus fusca Doris K. Kildale 1928-9-10 6715 Humboldt Big Lagoon - south end of Comment
  HSC18696  Malus fusca W. R. Brigham 1962-5-19 10 Humboldt S of Big Lagoon. Comment
  JEPS68659  Malva nicaeensis Lincoln Constance 1934-6-18 9006 Humboldt n border of Dyerville Flat (near South Fork Railroad Station and Post Office, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  UC902195  Malva nicaeensis Joseph P. Tracy 1946-11-10 17662 Humboldt Trinidad 3 Comment
  HSC47495  Marah oregana Sheila Logan 1978-4-9 19 Humboldt Fieldbrook, 0.5 mi. E of McKinleyville on Murray Rd. 122 Comment
  HSC97635  Marah oregana Cara Witte 2007-6-4 181 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  UC168955  Marah oregana Joseph P. Tracy 1904-7-17 2120 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC168954  Marah oregana Joseph P. Tracy 1909-5-30 2980 Humboldt Eureka Northern Coast Region 0 Comment
  UCSB23847  Marah oregana Keefe, Joseph 1967-7-8 Humboldt Crannell Road, 2.0 miles east of Crannell, north of Eureka 30 Comment
  HSC43158  Medicago praecox R. Sutherland 1976-8-19 4 .19876 Humboldt 259 Comment
  SEINET200337 Image available Melica californica J. P. Tracy 1921-5-30 5491 Humboldt Kneeland Prairie 762 Comment
  UC1145138  Melica californica Joseph P. Tracy 1943-5-9 17418 Humboldt Willow Creek Trinity River Valley (Trinity River Valley) 152 Comment
  HSC40310  Melica fugax Thomas W. Nelson, Jane P. Nelson 1976-6-22 2859 Humboldt Bog along road to Goat Hill. 1646 Comment
  UC38835  Melica harfordii Harley P. Chandler Jun 1901 1477 Humboldt Klamath River; North Coast Ranges 365 Comment
  UCD87377  Melica harfordii Harley P. Chandler 1901-6-1 1477 Humboldt North Coast Ranges. Klamath River. 365 Comment
  HSC97956  Melica subulata Cara Witte, Michael Scott 2007-6-22 345 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1494 Comment
  UC187244  Melica subulata J. P. Tracy 1900-5-28 815 Humboldt immediate vicinity Eureka 0 Comment
  UCD88643  Melica subulata A. H. Murphy 1951-5-15 s.n. Humboldt 3/4 mile south of South Fork on McCann Road. Comment
  UC277169  Melica torreyana Joseph P. Tracy 1921-4-24 5450 Humboldt Phillipsville Northern Coast Ranges, South Fork of Eel River (South Fork of Eel River) 91 Comment
  HSC14252  Mentha canadensis H. E. Parks, S. T. Parks 1930-9-14 728 Humboldt Big Lagoon Comment
  CHSC26754  Mentha pulegium M. S. Taylor 1977-8-5 1429 Humboldt Around ridge over Eel River, at turnoff from Hwy 101 to Ferndale, in Fernbridge. Comment
  RSA600662  Mentha pulegium Louis C. Wheeler 1950-8-14 6779 Humboldt Shelter Cove. Comment
  HSC32925  Micropus californicus var. californicus Thomas W. Nelson, James Nelson 1973-5-28 968 Humboldt McKeown Ranch N of Dinsmore Comment
  SEINET198985  Micropus californicus var. californicus S. K. Harris, JP Tracy 1942-6-15 sn Humboldt Harris Road 1 mi E of Garberville Comment
  UC1223202  Microseris acuminata Joseph P. Tracy 1948-6-13 18058 Humboldt roadside 3 mi w Harris 762 Comment
  UC582439  Microseris douglasii subsp. douglasii Joseph P. Tracy 1929-5-5 8560 Humboldt Miranda, along South Fork of Eel River Northern Coast Ranges, South Fork of Eel River 121 Comment
  HSC99590  Microsteris gracilis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 259 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
  HSC82418  Microsteris gracilis Thomas W. Nelson 1979-7-11 5037 Humboldt Along trail from Grogan's Hole to summit of N Trinity Mtn. Comment
  HSC20687  Mimulus aurantiacus var. aurantiacus R. Spellenberg 1965-6-14 1136 Humboldt Hwy. 299, 1 mi. E of Blue Lake Comment
  JEPS10553  Mimulus breweri Joseph P. Tracy 1932-7-10 10375 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC1196802  Mimulus breweri Joseph P. Tracy 1933-7-26 12920 Humboldt Grouse Mountain North Coast Ranges 1615 Comment
  UC147904  Mimulus breweri Joseph P. Tracy 1908-6 2699 Humboldt opposite Buck Mountain; Northern Coast Ranges, Van Duzen River Valley 762 Comment
  UC1196775  Mimulus cardinalis Joseph P. Tracy 1908-6 2928 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC20704  Mimulus cardinalis Paul Shields 1955-8-12 Humboldt 1/2 mi. N of Miranda Comment
  UC162579  Mimulus cardinalis Joseph P. Tracy 1911-7-10 3480 Humboldt tributary of Trinity River (along Willow Creek near mouth); Northern Coast Ranges 243 Comment
  SBBG66765  Mimulus dentatus L. Rowntree 1931-7-24 Humboldt Carlotta Comment
  SEINET12269811  Mimulus dentatus Unknown 1936-1 13277 Humboldt near Trinidad Comment
  SEINET10570226  Mimulus floribundus Charlene A. Bennett 1976-8-6 Bennett 484 Humboldt Collected by hwy 101, n side of orick. Rocky area, densely forested by river. Comment
  UC1222805  Mimulus grandis Joseph P. Tracy 1950-6-8 18745 Humboldt 1 mi e Cape Mendocino (near Capetown); Cape Ridge 152 Comment
  HSC22805  Mimulus guttatus D. E. Anderson, J. P. Smith 1970-5-10 5062 Humboldt Along road from Redwood Creek to Hoopa, 1-3 mi. W of Hoopa Comment
  UC582481  Mimulus inodorus Joseph P. Tracy 1934-8-6 13561 Humboldt near Blue Lake; Mad River 15 Comment
  UC582701  Mimulus microphyllus Joseph P. Tracy 1933-7-25 12855 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC40813  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1976-6-22 2866 Humboldt Along Rd. to Goat Hill. 1646 Comment
  HSC56317  Mimulus moschatus Overton, Butler 1979-8-2 12656 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC56178  Mimulus primuloides G. L. Clifton 1979-8-1 12086 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC147905  Mimulus pulsiferae Joseph P. Tracy 1908-6 2698 Humboldt opposite Buck Mountain (along stream); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC48853  Mimulus tilingii Brad Klipfel 1973-7-15 212 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC4087  Minuartia nuttallii subsp. gregaria D. E. Anderson 1965-6-1 3763 Humboldt Horse Mountain, W facing slope 1220 Comment
  HSC4062  Minuartia pusilla H. E. Parks, J. P. Tracy 1930-5-25 866 Humboldt Laribee Valley 762 Comment
  HSC25572  Mitella diversifolia J. O. Sawyer 1971-6-15 2383 Humboldt S of Lipps Camp along Horse Linto Creek 1372 Comment
  UC14518  Mitella ovalis W. C. Blasdale 1896-6-1 Humboldt Freshwater Comment
  UC154084  Mitella ovalis J. P. Tracy 1901-6-10 1133 Humboldt Immediate vicinity of Eureka 0 Comment
  UC492220  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt near Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC38487  Moehringia macrophylla D. E. Anderson, J. P. Smith 1971-7-6 - 1272 Humboldt Horse Mtn. Comment
  HSC57942  Monardella glauca G. L. Clifton, Griswold 1979-7-31 11612 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC41256  Monardella odoratissima Brad Klipfel 1974-6-25 446 Humboldt Horse Mtn. Comment
  CAS-BOT-BC215566  Monardella odoratissima subsp. pallida Joseph P. Tracy 1926-6-20 7657 Humboldt Horse Mountain 1310 Comment
  UC32590  Monardella odoratissima subsp. pallida Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  BLMAR589  Monardella villosa subsp. villosa Jennifer Wheeler 2010-7-13 589 Humboldt King range, Panther Gap Road 792 Comment
  SJSU2518  Monotropa hypopitys H. L. Buckalew 1962-6-28 Humboldt Prairie Cr Redwoods State Park Comment
  UC1409015  Monotropa hypopitys Robert F. Thorne and P. Everett 1965-8-5 35132 a Humboldt Wailaki Recreation Site 609 Comment
  UC673011  Montia diffusa Joseph P. Tracy 1930-8-24 9165 Humboldt Kneeland Prairie 762 Comment
  RSA249389  Montia fontana D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5587 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  CAS-BOT-BC445164  Montia parvifolia L. R. Abrams 1918-6-16 7202 Humboldt Willow Creek Comment
  CAS-BOT-BC445165  Montia parvifolia L. R. Abrams; R. Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon south of Orick Comment
  HSC90188  Morella californica Jean Hanson 1980-4-12 52 Humboldt Indian (Gunther) Island, Humboldt Bay, W end of island Comment
  SD40075  Morella californica Edith A. Purer 1932-7-27 4134 Humboldt Samoa Comment
  POM257954  Muhlenbergia filiformis Joseph P. Tracy 8920 Humboldt South Fork Mountain; in wet meadow at McKay Camp. 1677 Comment
  UC1103784  Muhlenbergia filiformis Joseph P. Tracy 1931-9-7 9656 Humboldt on sand bar along river Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC275346  Muhlenbergia mexicana Henry M. Pollard 1956-10-9 s.n. Humboldt Fig Tree Riffle at Woodson Mine, Klamath River, Orleans Comment
  HSC90317  Myosotis discolor Jean Hanson 1980-5-24 76 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka, W end of island, base of dike on S side Comment
  CAS-BOT-BC101667  Myrica californica C. Hart Merriam 1921-8-19 s.n. Humboldt Big Lagoon Comment
  JEPS62076  Narthecium californicum Hilda W. Grinnell 1932-7-12 11 Humboldt below McKay Camp (S. Fork Mt.); S. Fork Mt. Comment
  HSC60107  Nasturtium officinale M. A. Baker 1977-6-6 375 Humboldt Hoopa Comment
  HSC75514  Navarretia divaricata J. O. Sawyer, R. J. Cole 1977-7-3 3012 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  HSC17129  Navarretia divaricata H. E. Parks 1939-6-27 5257 Humboldt Grouse Mtn. Comment
  HSC45471  Navarretia divaricata Thomas W. Nelson, Jane P. Nelson 1978-7-2 4392 Humboldt SE of E peak of the Mount Lassic group 1616 Comment
  UC1198520  Navarretia pubescens Joseph P. Tracy 1914-5-14 4456 Humboldt Fort Seward Northern Coast Ranges 121 Comment
  UC133716  Navarretia pubescens Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5461 Humboldt Fruitland North Coast Ranges Comment
  SEINET200629  Navarretia tagetina Joseph P. Tracy 1906-7-19 4709 Humboldt Bosworths, on Laribee Creek. 457 Comment
  UC1103810  Nemophila heterophylla Joseph P. Tracy 1922-4-30 5987 Humboldt near Willow Creek (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC13584  Nemophila menziesii H. E. Parks, J. P. Tracy 1930-5-25 797 Humboldt Laribee Valley 793 Comment
  HSC97503  Nemophila menziesii var. atomaria C. Witte 2007-5-8 1 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  RSA33408  Nemophila menziesii var. atomaria Doris K. Kildale 1929-2-19 4265 Humboldt Little River. Comment
  UC562583  Nemophila menziesii var. atomaria Joseph P. Tracy 1926-5-9 7464 Humboldt Valley of South Yager Creek 762 Comment
  HSC13585  Nemophila menziesii var. atomaria T. M. Mingo May 1965 Humboldt W of Fairhaven Dr. intersection with Hwy. 101 Comment
  HSC71028  Nemophila menziesii var. atomaria Thomas W. Nelson 1977-4-20 3320 Humboldt Along FS 1N15 between Hwy. 36 and summit 915 Comment
  BLMAR172  Nemophila pedunculata Donald Hazlett 1994-6-7 172 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC146185  Nemophila pedunculata Joseph P. Tracy 1908-6 2700 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 457 Comment
  CAS-BOT-BC60566  Noccaea fendleri subsp. glauca Thomas Nelson 1977-6-15 3437 Humboldt North Coast Ranges. Along old road to ski area. 1371 Comment
  POM266040  Noccaea fendleri subsp. glauca Lincoln Constance, Reed C. Rollins 1942-5-11 2877 Humboldt Hoopa Valley, 5 miles south of Hoopa. 122 Comment
  BLMAR149  Notholithocarpus densiflorus Donald Hazlett 1994-6-7 149 Humboldt King range, E-facing slope off horse mountain ridge 609 Comment
  HSC8073  Notholithocarpus densiflorus var. densiflorus Doris K. Kildale 1926-7-25 2438 Humboldt Briceland Bridge, 1/2 mi. W of Garberville 114 Comment
  HSC99062  Notholithocarpus densiflorus var. echinoides Cara Witte 2008-6-18 746 Humboldt Horse Mountain Botanical Area. Approximately 1 mile east of junction 6N36 and 6N36A. 1394 Comment
  UC1198785  Oemleria cerasiformis Joseph P. Tracy 1923-4-1 6172 Humboldt Blue Lake; Northern Coast Ranges 60 Comment
  UCD127736  Oenanthe C. S. Myszka 1921-4-1 s.n. Humboldt County unknown: location unknown. 457 Comment
  UCD127733  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt Larrabee Creek, 3 miles north of Blocksburg. 457 Comment
  UCD127734  Oenanthe pimpinelloides Joseph P. Tracy 1950-6-23 18874 Humboldt Larrabee Creek, 3 miles north of Blocksburg. 457 Comment
  HSC23225  Oenanthe sarmentosa Thomas O. Erickson 1971-10-28 1 Humboldt Luffenholtz Beach off Hwy. 101 N of Moonstone Comment
  HSC96500  Oenanthe sarmentosa Gordon Leppig 1998-8-23 1075 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC100581  Oenothera cheiranthifolia Carl C. Marshall May 1885 41 Humboldt Peninsula. Comment
  CHSC70153  Oenothera glazioviana David K. Imper 1987-7-14 Humboldt South of Trinidad, waste area behind Matson home, just E. of US 101 near Moonstone Beach Exit. Comment
  HSC92718  Oenothera villosa subsp. strigosa D. K. Imper 1987-7-24 Humboldt About 1 mi. S of Orleans along Hwy. 96 43 Comment
  CHSC70156  Oenothera wolfii David K. Imper 1987-7-26 Humboldt 2 mi. south of Cape Mendocino, next to Hwy 1, south side of Point called or near to Devils Gate. Along road. 4 Comment
  HSC16488  Oenothera wolfii D. E. Anderson 1962-7-5 2246 Humboldt Luffenholtz 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
  HSC57979  Oreostemma alpigenum var. andersonii G. L. Clifton, Griswold 1979-7-31 11704 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  SEINET186016  Orobanche californica subsp. californica Joseph P. Tracy, H. E. Parks 1924-8-3 6761 Humboldt Big Lagoon 6 Comment
  HSC103084  Orobanche fasciculata Sydney Carothers 2014-6-22 3 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  CAS-BOT-BC238377  Orthocarpus Joseph P. Tracy 1935-7-24 14171 Humboldt Trinity Summit, near ranger station 1828 Comment
  POM43760  Orthocarpus faucibarbatus var. albidus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  JEPS9402  Orthocarpus imbricatus Joseph P. Tracy 1932-7-11 10416 Humboldt Trinity Summit , open places at Corral Prairie (open places at Corral Prairie) 1584 Comment
  POM210218  Orthocarpus lithospermoides S. T. Parks, Joseph P. Tracy 1930-5-25 796 Humboldt Vicinity of Bridgeville, Laribee Valley. 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
  UC646621  Osmorhiza occidentalis Joseph P. Tracy 1930-6-29 8810 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
  HSC21586  Osmorhiza purpurea B. R. Templeton 1962-4-14 Humboldt 1 mi. W of Orleans on Hwy. 35 Comment
  CHSC19520  Oxalis oregana R. D. Modafferi 1965-5-1 66 Humboldt 0.5 mile south of Trinidad on old highway 101. Roadside. Comment
  HSC70969  Oxalis oregana R. York 1980-5-17 545 Humboldt Near Le Perron Creek. 415 Comment
  UC1197421  Oxalis oregana Joseph P. Tracy 1901-6-10 1136 Humboldt Eureka Northern Coast Ranges 0 Comment
  SEINET12184454  Oxalis oregana E. A. York 1990-1-10 2664 Humboldt USGS Redwood Field Station, Arcata Comment
  HSC16715  Oxalis pes-caprae W. F. Nickel 1965-5-15 Humboldt W side of College Elementary School, H.S.C. Campus Comment
  UC275338  Oxalis trilliifolia Joseph P. Tracy 1923-6-24 6362 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC302046  Oxalis trilliifolia Joseph P. Tracy 1926-5-22 7499 Humboldt Prairie Creek Northern Coast Ranges Comment
  HSC6137  Packera bolanderi H. E. Parks, S. T. Parks May 1930 747 Humboldt Near Blue Slide on the middle Van Duzen River Comment
  CAS-BOT-BC318149  Packera bolanderi var. bolanderi Albert Kellogg; W. G. W. Harford 1868-9 537 Humboldt unspecified Comment
  POM89798  Panicum acuminatum var. acuminatum Joseph P. Tracy 1920-8-15 5356 Humboldt Klamath River at Bluff Creek 152 Comment
  UC1145222  Panicum acuminatum var. acuminatum Joseph P. Tracy 1937-8-7 15621 Humboldt e Korbel (hilltops on Russ Ranch); Bald Mountain, Russ Ranch 914 Comment
  UC39291  Panicum acuminatum var. acuminatum Joseph Burtt Davy and Walter C. Blasdale 1899-6-29 5894 Humboldt near Martin's Ferry (North-Western California); near Martin's Ferry Comment
  HSC32567  Panicum acuminatum var. fasciculatum Thomas W. Nelson 1973-9-3 1120 Humboldt McKeown Ranch N of Dinsmore Comment
Read comments
Jul 8 2015
  CAS-BOT-BC253707  Panicum capillare Doris K. Kildale 1925-9-7 1304 Humboldt Mouth of Dillon Creek on the Klamath River Comment
  HSC12343  Panicum capillare Steve Dorei 1970-10-31 126 Humboldt Scotia bluff area, N side of railroad tracks. Comment
  UC33881  Panicum capillare Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  UC1103408  Parapholis incurva Joseph P. Tracy 1938-7-15 16070 Humboldt mouth of Eel River 3 Comment
  RSA624797  Parapholis strigosa Gordon Leppig 1998-6-6 801 Humboldt Arcata, Arcata Marsh and Wildlife Sanctuary, Butchers Slough about 50m w of Interpretive Center 1 Comment
  POM230334  Parentucellia viscosa J. T. Howell 1937-7-31 13719 Humboldt 3 miles west of Korbel, Comment
  RSA19019  Parentucellia viscosa J. T. Howell 1937-7-31 13719 Humboldt 3 miles west of Korbel, Comment
  HSC104072  Parnassia palustris S. Carothers 2001-8-29 Humboldt Six Rivers National Forest; Lassics Botanical Area 1537 Comment
  UC1145169  Paspalum distichum Joseph P. Tracy 1939-10-6 16505 Humboldt w of Sunset Cemetary Eureka (Eureka) 6 Comment
  HSC20924  Pedicularis densiflora D. E. Anderson 1962-5-1 2202 Humboldt 1 mi. W of Hoopa Comment
  UC1000449  Pedicularis densiflora Joseph P. Tracy 1942-5-16 17351 Humboldt Garberville 304 Comment
  BLMAR286  Pedicularis densiflora Jennifer Anthony-Wheeler 2000-4-18 286 Humboldt King range, mill creek forest 402 Comment
  RSA183616  Pedicularis densiflora D. E. Anderson 1965-5-1 3556 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  HSC102049  Penstemon anguineus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 953 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  HSC20958  Penstemon anguineus Milo S. Baker 1947-8-10 11911 Humboldt Near end of Forest Rd. from Hoopa towards Trinity Summit 1372 Comment
  JEPS7206  Penstemon anguineus P. E. Goddard 1906-6 679 Humboldt Lasseck Pk Comment
  UC577404  Penstemon anguineus Joseph P. Tracy Jul 16 1930-Jul 19 1930 8918 Humboldt near McKay Camp; South Fork Mountain (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  UC577405  Penstemon anguineus Joseph P. Tracy 1936-8-8 15130 Humboldt on ridge 2 mi e Grove's Prairie; Trinity Summit, e of Grove's Prairie 1524 Comment
  UCD124036  Penstemon anguineus Thomas Nelson; Jane Nelson 1976-7-1 2907 Humboldt east side of Red Lassic, beside Road 1S07. 1676 Comment
  SD42331  Penstemon azureus Carl B. Wolf 1937-8-13 9220 Humboldt North Coast Range, 8 mi. E. of Hoopa Valley on new road towards Trinity Summit 1219 Comment
  RSA33967  Penstemon heterophyllus subsp. purdyi Doris K. Kildale 1926-4-30 1935 Humboldt Bucilana Bridge. Comment
  JEPS11368  Penstemon heterophyllus var. purdyi Lincoln Constance 1934-5-26 676 Humboldt s end of Dyerville Bridge Bull Creek Region, South Fork Eel River, Dyerville Bridge (South Fork Eel River, Bull Creek Region) 45 Comment
  NY601767  Penstemon heterophyllus var. purdyi L. Constance 1934-5-26 676 Humboldt South Fork of Eel River, south end of Dyerville Bridge 45.7 Comment
  HSC73566  Penstemon laetus subsp. sagittatus Gail Newton 1980-7-14 1503 Humboldt Near Last Chance Ridge 1219 Comment
  HSC56083  Penstemon procerus var. brachyanthus G. L. Clifton, Terry Griswold 1979-7-31 11771 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  SD129743  Penstemon rattanii var. rattanii Harold E. Parks June 1951 Humboldt Kneeland, Camaron Hill Comment
  HSC37673  Pentagramma triangularis R. Sutherland 1976-8-6 28 .6876 Humboldt Whitmore Grove 99 Comment
  UC1222747  Perideridia howellii Joseph P. Tracy 1950-8-18 19331 Humboldt along creek 1/2 mi along Blocksburg Rd w from bridge across creek; Larrabee Creek Comment
  HSC32529  Perideridia kelloggii Thomas W. Nelson 1973-9-3 1133 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC34709  Perideridia kelloggii Thomas W. Nelson 1974-7-20 1697 Humboldt McKeown Ranch N of Dinsmore Comment
  SEINET12119282  Perideridia kelloggii J. P. Tracy 1950-1 19382 Humboldt Berry's Mountain, E of Redwood Creek on Trinity Highway 549 Comment
  UC906663  Perideridia kelloggii Joseph P. Tracy 1948-8-11 18476 Humboldt 2 to 6 mi s from Grouse Mt.; Kinsey Ridge 1280 Comment
  HSC55993  Perideridia parishii subsp. latifolia Overton, Butler 1979-7-31 11423 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  POM89787  Perideridia parishii subsp. latifolia Joseph P. Tracy 1919-9-18 5231 Humboldt Trinity Summit 1829 Comment
  CAS-BOT-BC413713  Persicaria hydropiper Malcom A. Nobs; S. Galen Smith 1949-8-11 1336 Humboldt Marsh at eastern shore of Stone Lagoon Comment
  UCD99507  Persicaria lapathifolia Malcolm A. Nobs; S. Galen Smith 1949-8-9 1232 Humboldt Southern side of the town of Blue Lake. Comment
  CAS-BOT-BC419192  Persicaria maculosa L. R. Abrams 1918-6-16 7193 Humboldt Willow Creek Comment
  SEINET13978219 Image available Petasites frigidus var. palmatus R. R. Halse 2016-1 9684 Humboldt Along US Hwy 101 ca. 9.6 mi S of Orick. 8 Comment
  RSA21605  Petasites palmatus C. B. Wolf 1937-9-14 9352 Humboldt North Coast Range, Lord Ellis Road, 7.6 miles east of Blue Lake. 213 Comment
  HSC13622  Phacelia bolanderi D. E. Anderson 1963-5-25 2471 Humboldt About 1 mi. W of Fernbridge along Rd. to Ferndale Comment
  HSC74412  Phacelia mutabilis Gail Newton 1980-8-10 2030 Humboldt Near Blake Mtn. 1707 Comment
  BLMAR159  Phacelia nemoralis subsp. nemoralis Donald Hazlett 1994-6-7 159 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  JEPS1090  Phacelia procera Joseph P. Tracy 1932-7-12 10431 Humboldt Corral Prairie Trinity Summit 1584 Comment
  CAS-BOT-BC258867  Phalaris aquatica John Thomas Howell 1937-7-31 13721 Humboldt 4 miles north of Loleta Comment
  HSC40205  Phalaris aquatica Thomas W. Nelson, James Nelson 1976-6-22 2843 Humboldt Along Hwy. 36, ~ 4 mi. E of Bridgeville Comment
  CAS-BOT-BC76557  Philadelphus lewisii Joseph P. Tracy 1938-6-9 15872 Humboldt Dobbyin Creek 152 Comment
  UC1127362  Philadelphus lewisii R. Stahelin 1933-7-18 Humboldt Korbel near Riverside Plant. Korbel, 7.5 Q. Comment
  UC666824  Philadelphus lewisii Joseph P. Tracy 1938-6-9 15872 Humboldt Dobbyn Creek 152 Comment
  UC666825  Philadelphus lewisii Joseph P. Tracy 1937-6-20 15355 Humboldt ten mi up stream from mouth; Bear River 152 Comment
  UC725910  Philadelphus lewisii A. A. Heller 1923-7-9 13776 Humboldt near Blue Lake (5 mi from Arcata) Comment
  RSA10145  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek. 762 Comment
  UC962098  Phleum alpinum Joseph P. Tracy 1934-7-2 13294 Humboldt Trinidad 3 Comment
  HSC75515  Phlox adsurgens J. O. Sawyer, R. J. Cole 1977-7-3 3008 Humboldt Environs of Mud Spring, Big Hill Rd. (FS Rd. 8N01) 1524 Comment
  RSA141271  Phlox adsurgens Joseph P. Tracy 1932-7-13 10488 Humboldt Trinity Summit; fir woods near Corral Prairie. 1585 Comment
  SEINET10496854  Phlox diffusa Jones 1985-5-5 Jones 27 Humboldt T34n,r4e,sec.14, titlow road. Ca 8 miles s off hwy 299 going to horse mt. Found At intersection of titlow rd. And the raod to horse mt. Summit. Pinus, arbutus, Quercus chrysolepis, quercus vaccinifolia habitat 1143 Comment
  UC1198566  Phlox gracilis Joseph P. Tracy 1938-6-13 15910 Humboldt Cold Springs Grouse Mountain 1432 Comment
  HSC41478  Phyla nodiflora Ed Cope, R. Runyon 1977-7-20 132 Humboldt 15th and H St., Arcata. Comment
  HSC18710  Physocarpus capitatus R. E. Thill 1965-5-16 29 Humboldt 1 mi. E of Hwy. 101 on N Bank Rd. Comment
  CAS-BOT-BC78201  Picea sitchensis Doris K. Kildale 1926-6-18 2394 Humboldt on trail between Davidson's + Gold Bluffs Comment
  HSC31521  Picea sitchensis Steve Selva, Roger Jensen 1974-8-28 94 Humboldt Behind Humboldt State University, Arcata. Comment
  UC1198275  Picea sitchensis Joseph P. Tracy 1930-9-28 9197 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  CAS-BOT-BC73406  Pinus Doris Kildale Gillespie 1931-6-7 10587 Humboldt South Fork Mt., Blake Lookout. 1726 Comment
  CAS-BOT-BC78377  Pinus contorta Ira L. Wiggins 1930-6-25 4620 Humboldt 2 miles north of Samoa Comment
  UC1585370  Pinus contorta subsp. contorta R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 UCBG 15 Humboldt w of Eureka (0.5 km s of Hwy. 255 on New Navy Base Rd. on North Spit of Samoa Peninsula, unstabilized dune system); North Spit Samoa Peninsula 5 Comment
  UC400254  Pinus contorta subsp. contorta J. P. Tracy 1901-2-1 Humboldt opp. Eureka (sand hills of Ocean Beach at Samoa); Samoa, Ocean Beach Comment
  UC400255  Pinus contorta subsp. contorta P. E. Goddard 1901-8-1 Humboldt North Humboldt Bay Comment
  UC72494  Pinus contorta subsp. contorta H. P. Chandler 1905-5-5 Humboldt Eureka Comment
  UCR139067  Pinus jeffreyi Gordon Leppig 1998-6-1 878 Humboldt Horse Mountain. Titlow Hill Road at Road to Horse Mountain Mine 1422 Comment
  HSC98647  Pinus monticola Cara Witte 2007-9-3 638 Humboldt Horse Mountain Botanical Area. Road 6N38. 1 mile east of Horse Mountain Mine. 1259 Comment
  UC502915  Pinus monticola Joseph P. Tracy 1927-6-12 8134 Humboldt Horse Mountain Northn Coast Ranges, Horse Mountain (in open forest of Jeffrey Pine) 1524 Comment
  CAS-BOT-BC79025  Pinus ponderosa Doris K. Kildale 1927-2-20 2900 Humboldt [Lassecks] Lassics Peaks Trail, Cold Spring, Goat Camp 914 Comment
  JEPS64429  Piperia elegans W. L. Jepson 1932-7-25 16399 Humboldt Bull Creek South Fork Eel River Comment
  RSA259584  Piperia transversa J. D. Ackerman 1974-8-14 408 Humboldt 2 miles north of Manila, between sand dunes and Mad River Slough Comment
  RSA95501  Pityopus californicus Harry L. Buckalew s.n. Humboldt James Irvine Trail - 2 miles from the ocean; Prairie Creek State Park. Comment
  CAS-BOT-BC71823  Pityrogramma Kenneth Clark 1980-6-14 693 Humboldt North fork Dead Man's Gulch, Point Delgada quad. 91 Comment
  HSC99421  Plagiobothrys hispidulus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 70 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
  UC526818  Plagiobothrys hispidulus Joseph P. Tracy 1932-7-10 10386 Humboldt wet meadow at Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC100407  Plagiobothrys nothofulvus Carl C. Marshall Apr 1887 371 Humboldt Hoopa Valley. Comment
  SD29277  Plagiobothrys nothofulvus Lincoln Constance 1934-5-23 617 Humboldt South Fork Eel River; southeast slope of mountain above Look Prairie. 366 Comment
  CDA40667  Plagiobothrys reticulatus P. Haggard 1972-8-16 s.n. Humboldt West End Road, Blue Lake. 0 Comment
  UC526822  Plagiobothrys reticulatus Joseph P. Tracy 1928-6-24 8473 Humboldt head Yager Creek (East Ranch); North Coast Ranges, head Yager Creek, East Ranch 762 Comment
  JEPS60969  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1904-7-4 2111 Humboldt Eureka Northern Coast Region 0 Comment
  JEPS60982  Plagiobothrys reticulatus var. reticulatus Joseph P. Tracy 1909-5-2 2960 Humboldt Eureka Northern Coast Region 0 Comment
  UC1151994  Plantago erecta Joseph P. Tracy 1950-6-8 18730 Humboldt Bear River Bridge 609 Comment
  UC153942  Plantago erecta Joseph P. Tracy 1905-4-30 2171 Humboldt Samoa North Coast Region, Humboldt Bay, Ocean Beach Comment
  UC198604  Plantago erecta Joseph P. Tracy 1917-5-30 4793 Humboldt mouth of Little River North Coast Ranges, Little River 6 Comment
  CDA6622  Plantago lanceolata T. C. Fuller 1962-8-6 9359 Humboldt Highway 299 to Blue Lake, 2.6 miles east of Bald Mtn. Summit Road. 1 mile west of Green Point School. 0 Comment
  HSC12426  Plantago lanceolata Gary J. Stebbins 1970-5-10 76 Humboldt Along Fickle Hill Rd., 2.4 mi. E of Arcata Comment
  HSC16857  Plantago maritima C. E. Fellows 1965-5-17 79 Humboldt Luffenholtz Beach County Park Comment
  JEPS7158  Plantago maritima var. californica Joseph P. Tracy 1927-6-26 8219 Humboldt Stone Lagoon 6 Comment
  UC1192030  Plantago subnuda Malcolm A. Nobs and S. Galen Smith 1949-8-3 1188 Humboldt s outskirts of Eureka Eureka Comment
  HSC55103  Platanthera dilatata G. L. Clifton 1979-7-31 11835 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC70504  Platanthera dilatata var. leucostachys Gail Newton 1980-7-20 1612 Humboldt Near Bell Swamps 1426 Comment
  HSC98895  Platanthera dilatata var. leucostachys Cara Witte 2007-7-20 559 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  UCSC000161  Platanthera leucostachys W. Jan Rowe 1967-1 Humboldt Comment
  CAS-BOT-BC91643  Platystemon californicus Mark Bransom; Daniel Brown; Ron Hildebrandt; Nina Meiselman 1986-4-19 10 Humboldt Across Route 299 from White's Bar picnic area. 0.25 mile up roadbank. Comment
  UC168998  Plectritis brachystemon Joseph P. Tracy 1905-4-30 2176 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  UC175689  Plectritis brachystemon Joseph P. Tracy 1912-6-16 3703 Humboldt near Hookton (Region about Humboldt Bay, Northern Coast Region); Northern Coast Region 0 Comment
  UC176121  Plectritis congesta Joseph P. Tracy 1912-6-9 3652 Humboldt Northern Coast Region, Alton Alton; Northern Coast Region, Alton 30 Comment
  UC1239601  Plectritis congesta Joseph P. Tracy 1926-5-9 7459 Humboldt between Bridgeville and South Yager Creek 609 Comment
  UC176116  Plectritis congesta Joseph P. Tracy 1913-6-26 4348 Humboldt Northern Coast Ranges, Lower Foothills of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  HSC57304  Pleuropogon refractus G. L. Clifton 1979-7-31 11859 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1258214  Pleuropogon refractus Paul But 1975-6-1 P 12 Humboldt about 3 mi n of Eureka (along Jacoby Creek Road); Jacoby Creek Comment
  UCD90106  Pleuropogon refractus R. Tofsrud 1949-7-22 s.n. Humboldt on road between Scotia and Capetown. Comment
  SEINET11680859  Pleuropogon refractus J. P. Tracy 1951-1 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  SEINET200751  Pneumonanthe setigera Joseph P. Tracy 1919-9-22 5274 Humboldt Trinity Summit 1829 Comment
  HSC10641  Poa bolanderi J. P. Tracy 1930-7-16 8902 Humboldt Near McKay Camp. 1677 Comment
  HSC99416  Poa bulbosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 65 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
  SEINET200569 Image available Poa bulbosa Joseph P. Tracy 1942-2-6 17104 Humboldt Valley of South Yager Creek 762 Comment
  BLMAR436  Poa confinis Jennifer Anthony-Wheeler 2008-6-18 436 Humboldt Samoa/Malel Dunes 9 Comment
  RSA10144  Poa howellii Joseph P. Tracy 1926-5-15 7490 Humboldt Kneeland Prairie 762 Comment
  UC576260  Poa howellii H. S. Yates 1936-6-16 5683 Humboldt near Bayside; Eureka Quadrangle 9 Comment
  CAS-BOT-BC255852  Poa kelloggii John Thomas Howell 1954-4-24 29151 Humboldt Bull Creek Flat Comment
  CAS-BOT-BC254282  Poa macrantha S. K. Harris 1936-6-15 3383 Humboldt Trinidad Head Comment
  POM296665A  Poa macrantha Lyman Benson 1929-7-19 1819 Humboldt Clam Beach, Trinidad Comment
  UCD91557  Poa nemoralis A. E. Lyons 1926-6-1 s.n. Humboldt in city of Orick. Comment
  UC275346  Polygala californica Joseph P. Tracy 1923-6-20 6333 Humboldt Briceland Northern Coast Ranges, Briceland 304 Comment
  HSC64167  Polygala cornuta J. O. Sawyer, K. A. Sawyer 1979-6-24 3411 Humboldt Slopes alongside Aikens Creek. 366 Comment
  HSC12591  Polygonum aviculare C. Kline 1970-11-9 64 Humboldt .5 mi. N of Bayside, Bayside Rd. Comment
  UC672973  Polygonum aviculare subsp. depressum Joseph P. Tracy 1940-10-18 16778 Humboldt Trinidad 9 Comment
  JEPS50540  Polygonum davisiae W. L. Jepson 1902-7-16 2053 Humboldt Trinity Summit 2133 Comment
  HSC55014  Polygonum douglasii Overton, Butler 1979-7-31 11405 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  POM312530  Polygonum lapathifolium S. Galen Smith, Malcolm A. Nobs 1949-8-9 1232 Humboldt Marshy pond on Southern side of the town of Blue Lake Comment
  CHSC68789  Polygonum paronychia Vernon Oswald 1997-6-5 8541 Humboldt North Spit of Humboldt Bay 3.7 mi south of Hwy.255, Orvil Wilson Memorial Off-road Vehicle Park opposite the junction of New Navy Base Rd. and Lincoln Ave. 6 Comment
  HSC43417  Polygonum paronychia R. Sutherland 1978-2-18 1 .18278 Humboldt Mouth of Mattole River 8 Comment
  HSC49614  Polygonum paronychia R. York 1979-5-18 296 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  UC1198095  Polygonum parryi Joseph P. Tracy 1912-7-31 3910 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (on nw slope of mt., along streamlet) 1066 Comment
  UC203953  Polygonum polystachyum Joseph P. Tracy 1918-9-1 5096 Humboldt Newells Camp Northern Coast Ranges (on Kneeland Road) 457 Comment
  UC1225798  Polygonum sachalinense Joseph P. Tracy 1946-8-25 17634 Humboldt roadside 1/2 mi s mouth of Elk River 6 Comment
  HSC98684  Polygonum sawatchense subsp. sawatchense Cara Witte 2007-6-20 312 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  SEINET182509 Image available Polypodium glycyrrhiza H. E. Parks 1924-6-1 2837 Humboldt Lawrence Creek Comment
  UCD136882  Polypodium glycyrrhiza M. Wiesendanger 1928-4-7 902 Humboldt Redwood Highway, Lane's Redwood Flat, probably the Franklin K. Lane Grove. Comment
  CAS-BOT-BC76841  Polypodium glycyrrhiza Volney Rattan 1903-1-1 s.n. Humboldt Above Mad River. Comment
  HSC39971  Polypodium glycyrrhiza Kurt Hippen, Tom Duebendorfer Humboldt Off Dowes Prairie Rd. 0.25 mi. up Strawberry Cr. Comment
  HSC67085  Polypodium glycyrrhiza Richard Spjut 1980-5-20 6199 Humboldt 2 mi. W of Willow Creek along Hwy. 299 below Boise Campground near stream 305 Comment
  SEINET10530419  Polypodium glycyrrhiza Mary Susan Taylor 1982-10-24 Taylor 5184 Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  UC526769  Polypogon maritimus Joseph P. Tracy 1930-10-19 9236 Humboldt Eel River on gravel bars Alton to Fortuna; Eel River 15 Comment
  HSC38836  Polypogon monspeliensis R. Sutherland 1976-8-13 19 Humboldt Redwood Creek, Whittemore Grove. 87 Comment
  UC1103192  Polypogon monspeliensis Joseph P. Tracy 1930-10-12 9206 Humboldt Eel River on gravel bars Alton to Fortuna; Eel River 15 Comment
  UC1145084  Polypogon monspeliensis Joseph P. Tracy 1936-6-8 14872 Humboldt mouth of Luffenholz Creek Trinidad (Trinidad); Coast bluffs at mouth of Luffenholz Creek 9 Comment
  UC1145086  Polypogon monspeliensis Joseph P. Tracy 1938-7-11 16049 Humboldt near Samoa; Humboldt Bay, near Samoa 6 Comment
  SEINET11681498  Polypogon monspeliensis H. P. Chandler 1901-1 1431 Humboldt Klamath River, North Coast Ranges 335 Comment
  UC1440059  Polystichum Danin & H. G. Baker 1960-9-2 658 b Humboldt ca. 2 mi n Dyerville (along Ave. of Giants, High Rock on w side of Eel River); s side of Eel River Comment
  UC1440063  Polystichum californicum Danin & H. G. Baker 1960-8-14 614 a Humboldt ca. 1 mi toward Garberville from Myers Flat (Nelson Grove); Humboldt Redwoods State Park Comment
  HSC65985  Polystichum imbricans Gail Newton 1980-7-23 1714 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC98825  Polystichum imbricans subsp. imbricans Cara Witte 2008-9-13 1039 Humboldt White Oak Opening. Along Kinsey Ridge. 1257 Comment
  HSC98592  Polystichum imbricans subsp. imbricans Cara Witte 2008-6-11 707 Humboldt National Forest Road 5N10. 2 miles east of waterhole / Forest Service Road 5N10D. 1315 Comment
  HSC99526  Polystichum lonchitis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 190 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1372 Comment
Read comments
May 14 2014
  JEPS299  Polystichum munitum W. L. Jepson 1934-5-7 16689 Humboldt Bull Creek Comment
  RSA430488  Polystichum munitum Lyman Benson 1928-7-9 409 Humboldt Weott Ranger Station. Seaward N coast. Watershed- South Fork Eel Rivers. 61 Comment
  JEPS33236  Polystichum scopulinum Lincoln Constance 1934-6-4 824 Humboldt S Fork Eel River Bull Creek Region Comment
  UC249538  Populus trichocarpa Joseph P. Tracy 1922-10-8 6121 Humboldt Mad River at Blue Lake (Northern Coast Ranges); , Mad River at Blue Lake 30 Comment
  UC668004  Populus trichocarpa Joseph P. Tracy 1938-11-26 16178 Humboldt on South Fork of Eel River between Miranda and Redway Sylvandale; North Coast Ranges, on South Fork of Eel River 91 Comment
  UC1116225  Potamogeton foliosus Joseph P. Tracy 1927-8-7 8308 Humboldt Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC454067  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  UCD149951  Potamogeton richardsonii William Anderson; H. Mc. 1964-8-5 s.n. Humboldt Freshwater Lagoon. Comment
  CHSC68558  Potentilla anserina subsp. pacifica Vernon H. Oswald 1997-4-29 8349 Humboldt Shorebird Loop Trail between the trailhead and Lond Pond, Humboldt Bay NWR. Along the trail. 0 Comment
  HSC60412  Potentilla anserina subsp. pacifica J. P. Smith 1970-6-7 3807 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  HSC93520  Potentilla anserina subsp. pacifica Gordon Leppig 1998-6-25 855 Humboldt McKinleyville, Mad River Estuary at end of Murray Rd. 0 Comment
  RSA246705  Potentilla anserina var. grandis Robert F. Thorne, Percy C. Everett 1965-8-7 35228 Humboldt Samoa Peninsula. 3 Comment
  HSC101969  Potentilla gracilis var. fastigiata M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 865 Humboldt Patterson Meadows 1566 Comment
  HSC56414  Potentilla gracilis var. fastigiata Griswold, Butler 1979-7-11 7064 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC1198695  Potentilla palustris Joseph P. Tracy 1912-10-20 3991 Humboldt borders Loleta Pond (s of Eureka); Northern Coast Ranges, Loleta Pond 15 Comment
  HSC15463  Prosartes hookeri D. E. Anderson 1965-5-1 3576 Humboldt On Bluff Creek Rd. 4-5 mi. W of junction with Hwy. 96 Comment
  SEINET12050388  Prosartes smithii F. H. Utech 1988-1 88 -021 Humboldt 3.5 mi N of Phillipsville & 1.5 mi S of Miranda along Avenue of the Giantes (alt US 101) to Miranda 85 Comment
  HSC76520  Prunella vulgaris John Demarinis 1981-7-21 878 Humboldt Near Table Bluff 38 Comment
  HSC100507  Prunella vulgaris Carl C. Marshall Jun 1886 249 Humboldt Everywhere. Comment
  HSC22530  Prunella vulgaris subsp. lanceolata Jerry Parker 1968-9-23 68 Humboldt 1/4 mi. S of Vista Point Comment
  RSA134596  Prunella vulgaris var. lanceolata Percy C. Everett, E. K. Balls 1959-10-25 23961 Humboldt 14 miles W of Willow Creek on Hwy 299 to Arcata. 503 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
  CAS-BOT-BC159982  Prunus emarginata Doris K. Kildale 1926-9-5 2620 Humboldt Lasseck's Peaks - on trail to Red Peak 1661 Comment
  CAS-BOT-BC357606  Pseudognaphalium stramineum Joseph P. Tracy 1937-6-26 15364 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC204167  Pseudognaphalium stramineum Joseph P. Tracy 1918-7-5 5029 Humboldt White Thorn Valley Northern Coast Ranges, White Thorn Valley (in open field) 304 Comment
  HSC74454  Pseudognaphalium thermale Gail Newton 1980-8-10 2008 Humboldt Near Blake Mtn. 1798 Comment
  UC169084  Psilocarphus oregonus Joseph P. Tracy 1912-7-30 3890 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC361928  Psilocarphus tenellus C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  OBI15564  Psilocarphus tenellus Joseph P. Tracy 2017-5-27 4783 Humboldt Northern Coast Ranges. Eureka 61 Comment
  UC169085  Psilocarphus tenellus Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3592 Humboldt near Hydesville; Northern Coast Region 30 Comment
  HSC36438  Pteridium aquilinum var. pubescens John Rehling 1974-7-8 6 Humboldt County park at Big Lagoon Comment
  HSC48700  Pterospora andromedea Brad Klipfel 1973-7-31 257 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC275294  Pterostegia drymarioides Joseph P. Tracy 1923-5-19 6207 Humboldt coast bluffs Trinidad; Northern Coast Ranges, Trinidad 60 Comment
  HSC17978  Pyrola aphylla Chestnut, Drew 1888-7-12 Humboldt Campbell's Comment
  UC1197570  Pyrola asarifolia Joseph P. Tracy 1917-7-8 4826 Humboldt Old Kneeland Prairie Road, around Humboldt Bay 457 Comment
  HSC55275  Pyrola crypta Overton, Butler 1979-8-2 12672 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA0080627  Pyrola dentata S. S. Tillett 1956-7-6 617 Humboldt 11 mi. from Orlenas, on Bar Shanty Road. 1159 Comment
  UC1541552  Pyrola picta Harold E. Parks 1934-6-27 4931 Humboldt Horse Mountain 1280 Comment
  RSA0080452  Pyrola picta Lyman Benson 1928-7-10 400 Humboldt Woott Ranger Station. 1067 Comment
  CAS-BOT-BC62626  Quercus chrysolepis Doris K. Kildale 1928-4-29 5970 Humboldt Horse Mt. Comment
  CAS-BOT-BC62630  Quercus chrysolepis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC98518  Quercus chrysolepis Cara Witte 2008-8-6 1013 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1486 Comment
  UC1196534  Quercus chrysolepis Joseph P. Tracy 1911-6-8 3446 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC54678  Quercus chrysolepis Harley P. Chandler Jun 1901 1435 Humboldt Klamath River North Coast Ranges 304 Comment
  CAS-BOT-BC94311  Quercus garryana Doris K. Kildale 1926-8-22 2571 Humboldt Bald Hills 716 Comment
  HSC48346  Quercus garryana Maralyn O'Meara 1974-7-11 527 Humboldt Kneeland, Barry Ridge Comment
  UC54712  Quercus garryana P. E. Goddard 1901-7-12 68 Humboldt Hupa Comment
  UC667987  Quercus garryana Joseph P. Tracy 1938-6-13 15915 Humboldt Cold Springs Grouse Mountain 1432 Comment
  HSC102516  Quercus garryana var. breweri M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1502 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC99030  Quercus garryana var. garryana Cara Witte 2008-7-14 898 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  SEINET10477993  Quercus garryana var. garryana Jones 1985-6-6 Jones 111 Humboldt T34n,r4e,sec.14. Titlow rd. Ca 8 miles s off hwy. Pinus, arbutus, quercus Chrysolepis, quercus vaccinifolia habitat 1128 Comment
  UC54719  Quercus kelloggii Mrs. M. H. Manning Oct 1901 Humboldt Hupa Comment
  HSC55031  Quercus sadleriana Overton, Butler 1979-7-31 11470 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  CAS-BOT-BC104540  Quercus vacciniifolia Henry M. Pollard 1946-9-2 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC76363  Quercus vacciniifolia Denis Kearns 1981-6-24 18 Humboldt Near Cedar Camp 1219 Comment
  HSC99036  Quercus vacciniifolia Cara Witte 2008-9-27 1047 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. At end of the road. 1407 Comment
  RSA622137  Quercus vacciniifolia J. M. Tucker 1948-9-3 1851 Humboldt Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest. 1463 Comment
  CAS-BOT-BC104664  Quercus wislizeni J. G. Lemmon 1904-1-1 s.n. Humboldt Eel River Comment
  CAS-BOT-BC104665  Quercus wislizeni Doris K. Kildale 1927-3-1 3107 Humboldt Fort Seward 106 Comment
  HSC56169  Ranunculus alismifolius var. hartwegii G. L. Clifton, Griswold 1979-8-1 12060 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC18121  Ranunculus aquatilis var. diffusus D. E. Anderson 1965-6-1 3782 Humboldt Rd. to Brush Mtn., 0.25 mi. from Hwy. 299 Comment
  UC13972 Image available Ranunculus aquatilis var. hispidulus Chesnut and Drew 1888-7-11 Humboldt Jarrigan's Comment
  UC1103018  Ranunculus arvensis Joseph P. Tracy 1940-5-17 16554 Humboldt Buck Mountain; lower foothills of nw slope 762 Comment
Read comments
Jun 18 2011
  UC1196241  Ranunculus californicus Joseph P. Tracy 1901-4-14 1024 Humboldt Humboldt Bay Northern Coast Region (sand dunes of ocean beach) Comment
  JEPS55086  Ranunculus californicus Joseph P. Tracy 1916-4-30 4681 Humboldt Table Bluff Northern Coast Ranges, about Humboldt Bay 152 Comment
  UC668065  Ranunculus flammula Joseph P. Tracy 1937-7-17 15436 Humboldt Eureka; vernal pool 45 Comment
  HSC74375  Ranunculus occidentalis M. A. Baker 1980-6-28 2482 Humboldt Near Mad River Buttes 1445 Comment
  HSC98685  Ranunculus occidentalis var. occidentalis Cara Witte 2008-6-7 685 Humboldt Along National Forest 1. Approximately 4 miles south of intersection National Forest 1 and 5N04. 1441 Comment
  HSC75828  Ranunculus orthorhynchus var. bloomeri Bill Copeland 1980-7-2 312 Humboldt Near Snow Camp Mtn. 1311 Comment
  HSC90682  Ranunculus repens Gail Newton 1982-5-31 3564 Humboldt Elk River Wildlife Area, Eureka Comment
  SD53241  Ranunculus repens Darley F. Howe 1962-5-22 3306 Humboldt Orick 29 Comment
  UC160952  Ranunculus repens Joseph P. Tracy 1910-6-5 3150 Humboldt region about Humboldt Bay Northern Coast Region (marshes) 0 Comment
  CHSC35558  Ranunculus sardous Thomas Nelson; Doris Niles 1979-5-19 4696 Humboldt Mouth of Eel River at Crab Park. North of County Park. Comment
  UCD18404  Ranunculus testiculatus Jack Major 1982-4-18 s.n. Humboldt 13 miles east of Winnemucca on I-80, north lane. Comment
  HSC18191  Ranunculus uncinatus Jack Rockwell 1962-4-29 33 Humboldt N Bank of Van Duzen River, E of Hwy. 101 Comment
  HSC56011  Ranunculus uncinatus Gilbert Muth 1979-7-31 11494 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Gasquet 1417 Comment
  UC592943  Rhamnus californica subsp. californica Carl B. Wolf 1931-8-31 Humboldt near Mouth of South Fork of Trinity River (on road to Sandy Bar Swimming Hole) 243 Comment
  UC55738  Rhamnus purshiana J. Burtt Davy 1899-6-18 5609 Humboldt near Korbel (lower slopes of Bald Mt.); North Coast Ranges, Bald Mt. Comment
  RSA8096  Rhamnus tomentella subsp. tomentella Doris K. Kildale 1928-10-7 6754 Humboldt Trinity River at mouth of Willow Creek Comment
  HSC44734  Rhododendron columbianum Maralyn O'Meara 1971-10-25 53 Humboldt S side of Big Lagoon Comment
  CAS-BOT-BC56614  Rhododendron macrophyllum Ella Dales Cantelow 1936-5-17 1235 Humboldt 9 mi. e. of Orick Comment
  UC1197791  Rhododendron occidentale Joseph P. Tracy 1914-9-6 4615 Humboldt between High Prairie and Snow Camp (Bald Mountain); Northern Coast Region, Bald Mountain 1219 Comment
  UC275301  Rhododendron occidentale R. M. Holman 1925-7-23 Humboldt Big Lagoon Comment
  UC562737  Rhododendron occidentale Joseph P. Tracy 1929-7-4 8609 Humboldt French Camp Ridge 1066 Comment
  UCSB24457  Rhododendron occidentale McMinn, Howard 1934-6-22 Humboldt Sea Cliff north of Eureka Comment
  HSC27891  Rhododendron occidentale var. paludosum Clifton Raymond Chesbrough 1973-6-19 68 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  CAS-BOT-BC433138  Ribes Doris Kildale 1931-5-10 10579 Humboldt Snow Camp Comment
  CAS-BOT-BC433134  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9562 Humboldt McClellan Hill near Bridgeville 609 Comment
  CAS-BOT-BC433135  Ribes Doris K. Kildale; L. B. Kildale 1930-5-12 9558 Humboldt McClellan Hill near Bridgeville 609 Comment
  HSC56034  Ribes binominatum G. L. Clifton, Griswold 1979-7-31 11591 Humboldt Near Trinity Summit Guard Station, close to Hoopa 1884 Comment
  HSC20290  Ribes divaricatum W. R. Rogers 1966-5-1 243 Humboldt Azella State Reserve Comment
  CAS-BOT-BC173358  Ribes lobbii Harley P. Chandler 1901-6-1 1278 Humboldt Hupa Indian Reservation 1097 Comment
  HSC44292  Ribes menziesii Barbara Kelly 1977-4-23 306 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  SJSU7838  Ribes menziesii R. D. Spadoni 1965-3-26 108 Humboldt Trinidad Comment
  UC492211  Ribes nevadense Joseph P. Tracy 1932-7-18 10716 Humboldt head Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  HSC70319  Ribes roezlii M. A. Baker 1980-6-7 1870 Humboldt Near Ammon Creek 732 Comment
  JEPS49405  Ribes roezlii W. L. Jepson 1932-7-24 16389 Humboldt Mail Ridge 1219 Comment
  UC183753  Ribes roezlii Joseph P. Tracy 1913-3-9 4012 Humboldt near Hydesville; Northern Coast Region, Van Duzen River 60 Comment
  HSC103222  Ribes roezlii var. cruentum Jade Paget-Seekins 2010-3-18 5 Humboldt Redwood Valley (off 299) Bair Road /Hoopa Road. 609 Comment
  UC4922509  Ribes roezlii var. cruentum Joseph P. Tracy 1930-7-25 8885 Humboldt Trinity River Valley at Willow Creek Trinity River Valley; Northern Coast Ranges, , Willow Creek 152 Comment
  CAS-BOT-BC198937  Ribes roezlii var. roezlii Joseph P. Tracy 1937-3-27 15240 Humboldt Near Blue Lake, along Mad River 15 Comment
  SBBG115193  Ribes sanguineum D. Leaberry 1992-6-20 Humboldt Clam Beach County Park, 1 mi N of Arcata Airport Comment
  CAS-BOT-BC211976  Ribes sanguineum Duart V. Brown 1947-3-30 20 Humboldt Near Tectah Creek, Klamath River Comment
  SEINET13942795 Image available Ribes sanguineum Michalski, Hopson & Raum 1987-1 69 Humboldt T6N, R4E, Sec 19; Titlow Hill Rd, 0.5 mile from 299; 24 miles east of Blue Lake; Lord-Ellis Summit, 2800 ft. 853 Comment
  CAS-BOT-BC144689  Ribes sanguineum var. glutinosum C. Epling; Wm. Robison 1935-7-22 s.n. Humboldt Patrick's Point Comment
  HSC93267  Ribes sanguineum var. glutinosum Gordon Leppig 1998-3-25 723 Humboldt McKinleyville, Central Ave. 43 Comment
  BLMAR270  Ribes sanguineum var. sanguineum Jennifer Anthony-Wheeler 1999-7-30 270 Humboldt Lacks Creek, growing in Hupa mt quad 1219 Comment
  RSA254782  Rigiopappus leptocladus Thomas W. Nelson, James Nelson 1973-5-28 969 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC67214  Rigiopappus leptocladus Thomas W. Nelson, James Nelson 1980-6-10 5445 Humboldt Along branch road off Swayback Ridge Rd., 1/2 mi. E of junction 1372 Comment
  POM265891  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-11 2879 Humboldt 3 miles east of East Fork of Willow Creek. Comment
  UC183573  Rorippa nasturtium-aquaticum Joseph P. Tracy 1912-7-26 3830 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC41003  Rosa californica J. O. Sawyer 1975-10-17 2714 Humboldt Near Box Camp on Big Hill Rd. to N Trinity Mtn. Comment
  CAS-BOT-BC146528  Rosa gymnocarpa M. S. Jussel 1931-5-2 67 Humboldt 20 miles north of Garberville Comment
  RSA166375  Rosa gymnocarpa Robert F. Thorne 1957-9-2 18999 Humboldt Burlington State Park, just S of Weott. Comment
  CAS-BOT-BC146846  Rosa nutkana Doris Kildale Gillespie 1931-6-7 10656 Humboldt South Fork Mt., Blake Lookout 1726 Comment
  HSC19622  Rosa nutkana W. R. Brigham 1962-5-20 27 Humboldt Side of Old Hwy. 101, N of Big Lagoon rd. Comment
  JEPS45644  Rosa nutkana var. nutkana Milo S. Baker 1923-7-15 11 Humboldt outskirts of Eureka Comment
  UC1199025  Rosa nutkana var. nutkana Joseph P. Tracy 1926-5-15 7479 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  UC180188  Rosa nutkana var. nutkana Joseph P. Tracy 1914-5-30 4479 Humboldt Alton Northern Coast Region (same locality as Tracy #40000) 30 Comment
  UC902162  Rosa nutkana var. nutkana Joseph P. Tracy 1947-8-10 17883 Humboldt 2 mi s of town Field's Landing 6 Comment
  CAS-BOT-BC148343  Rosa pisocarpa Joseph P. Tracy 1947-8-24 17890 Humboldt Trinity Summit, near Box Camp in open fir timber. 1524 Comment
  UC902158  Rosa pisocarpa Joseph P. Tracy 1947-7-4 17813 Humboldt near Box Camp; Trinity Summit 1524 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
  UCD113897  Rosa rubiginosa J. A. Delapp 1956-6-14 2 Humboldt California Forest and Range Experiment Station. 3 miles W of upper Mattole School. 152 Comment
  UC492165  Rubus lasiococcus Joseph P. Tracy Jul 16 1930-Jul 19 1930 9021 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC58030  Rubus leucodermis G. L. Clifton 1979-7-31 11850 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC19665  Rubus parviflorus Harvey Doerksen 1962-5-22 25 Humboldt 1/4 mi. N Azalea Reserve State Park, floodplain of Mad River Comment
  HSC41325  Rubus parviflorus Brad Klipfel 1974-8-2 516 Humboldt Horse Mtn. Comment
  HSC73171  Rubus parviflorus M. A. Baker 1980-5-18 1346 Humboldt Near Black Mtn. 792 Comment
  UC154208  Rubus parviflorus J. P. Tracy 1900-5-22 799 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UC666862  Rubus parviflorus Joseph P. Tracy 1933-6-7 12524 Humboldt Bridgeville 198 Comment
  CAS-BOT-BC156722  Rubus spectabilis Alice Eastwood 1939-3-19 s.n. Humboldt Garden Club of America Grove Comment
  RSA247219  Rubus spectabilis Gary D. Wallace, Larry E. DeBuhr 1972-3-29 1010 Humboldt Prairie Creek Redwoods St. Pk. near the headquarters. Comment
  UCD150631  Rubus spectabilis Wayne Padgett 1974-5-25 65 Humboldt Two miles S of Patrick's Point State Park on coast road. 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
  HSC19692  Rubus ursinus W. L. Jepson 1932-8-8 16528 Humboldt Weott 305 Comment
  SEINET3111192  Rubus vitifolius Steve Selva, Roger Jensen 1974-8-28 90 Humboldt Approx 10 mi S of Arcata on the sand dunes of the Samoa Peninsula. Comment
  HSC51775  Rumex acetosella Overton, Butler 1979-7-24 9644 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC17564  Rumex acetosella S. R. Johnson 1965-4-16 45 Humboldt 1 mi. N of Luffenholtz Beach Comment
  HSC17565  Rumex acetosella J. W. Johnson 1962-4-8 1223 Humboldt Arcata, Mad River Co. Park Comment
  SEINET10479364  Rumex acetosella Mary Susan Taylor 1977-8-2 Taylor 1424 Humboldt In mountains above and east of Eureka. Comment
  UC55520  Rumex obtusifolius Joseph Burtt Davy 1899-7-30 6169 B Humboldt near Ferndale Comment
  UC672926  Rumex occidentalis Joseph P. Tracy 1932-7-20 10730 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC176683  Rumex pulcher Joseph P. Tracy 1912-6-9 3645 Humboldt Alton Northern Coast Region 30 Comment
  HSC94188  Salix alba Gordon Leppig, Sylvia Leppig, Kai Leppig 2000-4-16 1297 Humboldt Arcata Marsh and Wildlife Sanctuary, W bank of Hauser Marsh 1 Comment
  LA208688  Salix exigua var. hindsiana Harold E. Parks; 1931-5-14 958 Humboldt Fernbridge, Eel River 10.0 Comment
  CAS-BOT-BC107711  Salix hookeriana L. R. Abrams; G. T. Benson 1924-5-17 10734 Humboldt Eureka Comment
  CAS-BOT-BC107717  Salix hookeriana Doris K. Kildale 1926-6-18 2409 Humboldt Gold Bluffs, coastal bluffs Comment
  CAS-BOT-BC107744  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1221 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107745  Salix hookeriana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 1216 Humboldt In pine barrens near the coast, 1 mile north of Samoa Comment
  CAS-BOT-BC107748  Salix hookeriana Harold E. Parks 1931-5-12 956 Humboldt Samoa, Humboldt Bay Comment
  CHSC9557  Salix hookeriana E. L. Smith 1971-4-6 927 Humboldt Manila, 4 mi sw of Arcata, on w side of Humboldt Bay opposite Eureka. Comment
  HSC20071  Salix hookeriana J. P. Tracy, H. E. Parks 1931-3-26 904 Humboldt Lower Van Duzen River near Alton Comment
  HSC90382  Salix hookeriana Jean Hanson 1980-3-8 1 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  JEPS13088  Salix hookeriana Joseph P. Tracy 1937-8-12 15658 Humboldt Snow Camp 1402 Comment
  JEPS13090  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  POM219354  Salix hookeriana Joseph P. Tracy 1931-4-4 9330 Humboldt Near Samoa. On Humboldt Bay. 6 Comment
  POM362593  Salix hookeriana H. E. Parks 1931-08 1053 Humboldt Little River Lagoon. 0 Comment
  UC1196545  Salix hookeriana Joseph P. Tracy 1932-5-10 9951 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC1196555  Salix hookeriana Joseph P. Tracy 1937-4-11 15262 Humboldt along Eel Rl Camp Grant (2-5 mi e of the South Fork); S. Fork Eel R., Camp Grant 45 Comment
  UC469113  Salix hookeriana Joseph P. Tracy 1931-8-23 9623 Humboldt sand dunes near Samoa (on Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC470428  Salix hookeriana Joseph P. Tracy 1931-9-20 9688 Humboldt Trinidad Northern Coast Region 60 Comment
  UC470444  Salix hookeriana Joseph P. Tracy 1931-5-23 9437 Humboldt near Trinidad Station; Northern Coast Region, vicinity of Trinidad 60 Comment
  UC481264  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC537984  Salix hookeriana Joseph P. Tracy 1934-9-22 13676 Humboldt mouth of Mad R.; North Coast Ranges, Mad R. 9 Comment
  UCD111030  Salix hookeriana Linda M. Barker 1976-3-22 1340 Humboldt 3 miles west of Arcata. Comment
  UC470455  Salix jepsonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8928 Humboldt meadow at McKay Camp; Northern Coast Ranges, S. Fork Mt. 1676 Comment
  HSC19989  Salix lasiandra H. E. Parks, S. T. Parks 1932-4-5 1101 Humboldt Little River Lagoon Comment
  HSC37876  Salix lasiandra Thomas W. Nelson 1976-3-22 2278 Humboldt S side of the Eureka Muni Golf Course Comment
  HSC40871  Salix lasiandra Linda M. Barker 1976-9-3 1690 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC176690  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1913-6-20 4218 Humboldt Dinsmore's Ranch opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  UC481391  Salix lasiandra subsp. lasiandra Harold E. Parks 1931-3-24 911 Humboldt on Eel. R. Fortuna; Eel R., Fortuna 10 Comment
  UC490524  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9797 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  UC512108  Salix lasiandra subsp. lasiandra Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1206 Humboldt 4 1/2 mi. s. Trinidad (Little R. Lagoon); Little R. Lagoon Comment
  CAS-BOT-BC128189  Salix lasiandra var. lasiandra Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  SD1005  Salix lasiandra var. lasiandra Harold E. Parks 1931-5-14 959 Humboldt Van Duzen River between Alton and Carlotta 14 Comment
  CAS-BOT-BC107105  Salix lasiolepis Joseph P. Tracy 1932-10-8 10865 Humboldt Berry's Mt., on TRinity Highway 762 Comment
  CAS-BOT-BC107593  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1324 Humboldt In dry ravines on west slope of Berry's Mountain, east of Redwood Creek, on Trinity Highway 762 Comment
  CAS-BOT-BC107621  Salix lasiolepis Doris K. Kildale 1929-3-10 6935 Humboldt Bug Creek - Chaparral Mt. Comment
  LA208772  Salix lasiolepis Harold E. Parks; Joseph P. Tracy 1931-5-17 976 Humboldt mouth of Willow Creek at Trinity River 150.0 Comment
  POM160285  Salix lasiolepis Joseph P. Tracy 1926-2-28 7373 Humboldt Trinity River Valley, near the S Fork. 183 Comment
  POM219356  Salix lasiolepis Joseph P. Tracy 1931-3-31 9327 Humboldt Redwood Creek. At Berry's. 274 Comment
  UC469438  Salix lasiolepis Joseph P. Tracy 1931-11-8 9747 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  UC490468  Salix lasiolepis Joseph P. Tracy 1932-9-5 10768 Humboldt near Petrolia; North Coast Region, Mattole River 15 Comment
  UC506400  Salix lasiolepis Joseph P. Tracy 1932-8-21 10358 Humboldt Three Cabins Northern Coast Ranges, Chaparral Mountain (lower western foothills of mt.) 457 Comment
  CAS-BOT-BC107300  Salix lasiolepis var. bigelovii Doris K. Kildale 1926-12-19 2873 Humboldt South Fork 51 Comment
  CAS-BOT-BC107403  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-4-29 5958 Humboldt Redwood Creek at Berry's 289 Comment
  CAS-BOT-BC107412  Salix lasiolepis var. lasiolepis Alice Eastwood 1907-4-21 24 Humboldt Trinidad Comment
  CAS-BOT-BC125639  Salix melanopsis Harold E. Parks 1931-8-25 01060 Humboldt Blue Slide, Van Duzen River 90 Comment
  POM219691  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  POM362860  Salix melanopsis H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  UC1196567  Salix melanopsis Joseph P. Tracy 1932-5-1 9847 Humboldt along Van Duzen R. Alton; North Coast Ranges, Van Duzen R. 30 Comment
  UC469461  Salix melanopsis Joseph P. Tracy 1931-10-3 9704 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC470454  Salix melanopsis Joseph P. Tracy 1931-9-7 9646 Humboldt Trinity R. Valley at Willow Creek; Northern Coast Ranges, Trinity R. Valley, Willow Creek 152 Comment
  UC481265  Salix melanopsis Harold E. Parks 1931-5-28 1019 Humboldt Little River Lagoon Comment
  UC481310  Salix melanopsis Harold E. Parks and Joseph P. Tracy 1931-5-17 974 Humboldt mouth of Willow Creek at Trinity R.; Willow Creek 150 Comment
  UC490562  Salix melanopsis Joseph P. Tracy 1932-5-1 9875 Humboldt vicinity of R. Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  RSA5651  Salix melanopsis var. tenerrima H. E. Parks, Joseph P. Tracy 1931-5-17 972 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  CAS-BOT-BC129249  Salix piperi Joseph P. Tracy 1941-3-9 16800 Humboldt Camp Grant, along Eel River 48 Comment
  UC212994  Salix purpurea Joseph P. Tracy 1920-2-29 5307 Humboldt Ryan's Slough Northern Coast Region, Humboldt Bay, Ryan's Slough 15 Comment
  CAS-BOT-BC129127  Salix scouleriana A. T. Whittemore 1979-4-5 79 -012 Humboldt Arcata, cleared field along Alliance Road immediately north of Arcata High School 6 Comment
  SBBG28832  Salix scouleriana H. E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay Comment
  SJSU172  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen R 448 Comment
  UC212995  Salix scouleriana Joseph P. Tracy 1919-9-23 5283 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  UC470445  Salix scouleriana Joseph P. Tracy 1929-10-20 8680 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC490502  Salix scouleriana Joseph P. Tracy 1932-2-7 9769 Humboldt Scotia Northern Coast Ranges, Scotia 30 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
  UC490536  Salix scouleriana Joseph P. Tracy 1932-7-13 10518 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  UC525976  Salix scouleriana H. E. Parks 1933-1-24 1352 Humboldt Spruce Cove (Parks Ranch) Trinidad Comment
  CAS-BOT-BC128963  Salix sitchensis W. J. Ferlatte 1967-6-13 1119 Humboldt Cranell Coastal valley 3 Comment
  CAS-BOT-BC128989  Salix sitchensis Joseph P. Tracy 1934-3-25 13168 Humboldt Blue Slide, on Van Duzen River 91 Comment
  HSC20104  Salix sitchensis J. P. Tracy 1933-7-16 12773 Humboldt S Fork Mtn., Mckay Camp 1677 Comment
  HSC20105  Salix sitchensis H. E. Parks 1931-3-24 910 Humboldt Trinidad Comment
  HSC37880  Salix sitchensis Thomas W. Nelson 1976-3-22 2282 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC75494  Salix sitchensis J. O. Sawyer 1980-7-18 3636 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC490489  Salix sitchensis Joseph P. Tracy 1932-5-10 9955 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  UC526709  Salix sitchensis Joseph P. Tracy 1934-3-25 13168 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R., Blue Slide 91 Comment
  HSC2201  Salix tracyi J. P. Tracy 1933-4-9 10967 Humboldt Bridgeville, along Van Duzen River 229 Comment
  UC55407  Salix tracyi Mrs. M. H. Manning 1932-4 Humboldt Hupa Comment
  CAS-BOT-BC235014  Sambucus L. R. Abrams 1916-7-18 6098 Humboldt Above road - Arcata to Trinidad Comment
  CAS-BOT-BC235015  Sambucus L. R. Abrams 1918-6-16 7181 Humboldt Willow Creek Comment
  UC602515  Sambucus mexicana Joseph P. Tracy 1930-7-19 9088 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  JEPS13394  Sambucus racemosa var. racemosa Joseph P. Tracy 1932-7-14 10570 Humboldt ridges e Corral Prairie; Trinity Summit 1676 Comment
  UC168945  Sambucus racemosa var. racemosa Joseph P. Tracy 1910-6-19 3155 Humboldt near Forks of Eel River; Northern Coast Region, region about Humboldt Bay 0 Comment
  UC1073331  Sanicula arctopoides George B. Rossbach 1955-6-10 375 Humboldt between Fairhaven and (end of sandy point) off Eureka (near Humboldt Bay (lagoon) and lighthouse) Comment
  OBI36668  Sanicula crassicaulis David J. Keil 1983-7-2 17341 Humboldt 2.8 mi S of SR 299 along Titlow Hill rd, SW of Willow crk. Comment
  RSA254743  Sanicula crassicaulis Thomas W. Nelson, James Nelson 1973-5-28 943 Humboldt McKeown Ranch north of Dinsmore. Comment
  UCD127966  Sanicula crassicaulis Linda M. Barker 1976-6-1 1540 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CHSC88615  Sanicula tracyi Linnea Hanson 1993-7-21 346 Humboldt Six Rivers National Forest. Mad River Rock Road. Comment
  UC642317  Sanicula tuberosa Joseph P. Tracy 1933-7-11 12688 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  HSC101026  Sanicula tuberosa Jenny Moore 2007-6-14 29 Humboldt Pilot Creek Watershed, west of South Fork Mountain, Dan East Trail (5E14). 976 Comment
  HSC36506  Sarcodes sanguinea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1885 Humboldt Beside branch off FS Rd. 2S08 to Pine Mtn. Comment
  UC154268  Satureja douglasii P. E. Goddard 1901-7-12 80 Humboldt Hupa Valley Comment
  UC416708  Satureja douglasii P. E. Goddard 1906-6 684 Humboldt Blocksburg Comment
  JEPS62819  Satureja douglasii Lincoln Constance 1934-5-24 634 Humboldt forest bordering e side Lower Look Prairie; Bull Creek Region, South Fork Eel River 121 Comment
  UC1198885  Saxifraga aprica Joseph P. Tracy 1935-7-28 14313 Humboldt head of Devil's Hole (Trinity Summit); , Devil's Hole 1828 Comment
  UC1222363  Saxifraga ferruginea Joseph P. Tracy 1950-8-8 19295 Humboldt head of Croghan Hole (on Trinity Summit, [Granite Rock area]); Trinity Summit, Croghan Hole 1676 Comment
  UC492226  Saxifraga oregana Joseph P. Tracy 1932-7-14 10566 Humboldt Trinity Summit, at Corral Prairie Trinity Summit; Klamath Mountains, , Corral Prairie 1524 Comment
  HSC65984  Saxifragopsis fragarioides Gail Newton 1980-7-23 1751 Humboldt Near Packsaddle Ridge 1463 Comment
  CHSC84743  Schoenoplectus acutus var. occidentalis L. P. Janeway 2003-7-27 7926 Humboldt North Coast. Edge of marsh on south side of southwest end of Hwy 101 causeway across Big Lagoon. 2 Comment
  UC1541349  Scirpus acutus var. occidentalis H. E. and S. T. Parks 1930-9-14 771 Humboldt Big Lagoon Comment
  HSC100467  Scirpus atrovirens Carl C. Marshall May 1886 218 Humboldt Ditches etc. Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  CDA39145  Scirpus microcarpus Gordon Leppig 1998-6-26 861 Humboldt Arcata; Alder Grove Pond, south side of pond. Comment
  UC1222484  Scirpus microcarpus Joseph P. Tracy 1949-9-1 18533 Humboldt Dusky's Spring Trinity River Valley, at Willow Creek, at Dusky's Spring (Willow Creek, Trinity River Valley) 152 Comment
  JEPS75308  Scirpus tabernaemontani H. E. Parks and Joseph P. Tracy 1931-5-17 9421 Humboldt Lack Pond Trinity River Valley, Lack Pond (opposite Willow Creek) 152 Comment
  UC668005  Scirpus tabernaemontani H. E. Parks and Joseph P. Tracy 1931-5-17 9421 Humboldt Lack Pond Trinity River Valley, Lack Pond (opposite Willow Creek) 152 Comment
  CHSC114022  Scoliopus bigelovii Richard R. Halse 2013-3-28 8766 Humboldt Along U.S. Hwy. 101 ca. 2.2 miles south of Exit 671 to Pepperwood. 76 Comment
  UC1197750  Scoliopus bigelovii Mrs. Harriet Tracy 1909-3-5 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UCD139810  Scoliopus bigelovii R. N. Raynor 1935-5-22 s.n. Humboldt Ford Seward. Comment
  UC1125709  Scrophularia californica H. L. Person 1932-7-16 Humboldt Hwy n of Trinidad; Rock Point Quadrangle Comment
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Aug 3 2007
  UC582593  Scrophularia californica Joseph P. Tracy 1933-8-22 12980 Humboldt Eureka 6 Comment
  UC1222865  Scutellaria antirrhinoides Joseph P. Tracy 1950-6-15 18788 Humboldt 7 mi n of Harris (Mail Ridge, Jenk's Ranch); Mail Ridge, Jenk's Ranch Comment
  UCD125670  Scutellaria antirrhinoides K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 457 Comment
  HSC103086  Sedum laxum subsp. flavidum Sydney Carothers 2014-6-22 8 Humboldt Six Rivers National Forest, Lassics Botanical Area; on saddle between Peak 1 and Mt. Lassic 1796 Comment
  HSC79269  Sedum laxum subsp. flavidum D. K. Imper 1983-7-13 Humboldt Six Rivers National Forest, Bennett Peak Comment
  HSC57216  Sedum obtusatum subsp. retusum Griswold, Butler 1979-7-12 7280 Humboldt Near Cedar Creek, close to the town of Willow Creek 1158 Comment
  HSC49578  Sedum obtusatum subsp. retusum Brad Klipfel 1975-6-17 690 Humboldt Horse Mtn. Comment
  UC1198841  Sedum radiatum Joseph P. Tracy 1927-5-15 8054 Humboldt Supply Creek near Hoopa Valley; Northern Coast Ranges, Supply Creek, nr Hoopa Valley 304 Comment
  CAS-BOT-BC63825  Sedum spathulifolium Doris K. Kildale 1927-5-15 3171 Humboldt Petralia. Mattole River. Comment
  HSC100455  Sedum spathulifolium Carl C. Marshall Jun 1887 471 Humboldt Rocks, S Humboldt. Comment
  RSA0074768  Sedum spathulifolium Lyman Benson 1929-7-19 1858 Humboldt Mouth of Matole River. Comment
  CAS-BOT-BC59121  Sedum spathulifolium subsp. pruinosum Alice Eastwood 1907-4-22 38 Humboldt Trinidad Comment
  CDA32353  Selaginella kraussiana G. F. Hrusa, R. Bencie, L. Bencie, C. & E. Dogwin 2010-12-29 18277 Humboldt North Coast; Forest E of Humboldt St. Univ., above Fern Lake. 47 Comment
  JEPS19067  Selaginella oregana Joseph P. Tracy 1933-11-26 13124 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  HSC45074  Selaginella wallacei R. Sutherland 1978-4-22 1 .22478 Humboldt Along King's Crest Trail 1098 Comment
  RSA137269  Selaginella wallacei Ira L. Wiggins 1957-6-20 14136 Humboldt 8.5 miles S of Ferndale. Comment
  HSC100445  Senecio bolanderi Carl C. Marshall Jul 1885 133 Humboldt Near Jarnigan's. Comment
  HSC49795  Senecio elegans R. York 1979-5-18 300 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  JEPS37085  Senecio glomeratus W. L. Jepson 1902-6 1935 Humboldt Korbel to Angel's Ranch Comment
  UC1199488  Senecio minimus Joseph P. Tracy 1926-11-7 7826 Humboldt along Eel River from south fork to Scotia; Eel River 60 Comment
  UC1199490  Senecio minimus Joseph P. Tracy 1920-9-19 5400 Humboldt along newly constructed road, North Fork of Mad River; Northern Coast Ranges 304 Comment
  UC204824  Senecio minimus Joseph P. Tracy 1918-7-28 5088 Humboldt Ocean Beach at Humboldt Bay 60 Comment
  HSC95587  Senecio sylvaticus Andrea Pickart 2002-6-27 115 Humboldt Mad River Slough and Dunes 6 Comment
  HSC102003  Senecio triangularis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 904 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC102598  Senecio triangularis M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1585 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  UC180178  Senecio triangularis Joseph P. Tracy 1914-7-4 4539 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  UC581709  Senecio triangularis Joseph P. Tracy 1930-7-16 8934 Humboldt in wet meadow at McKay Camp (South Fork Mountain); , McKay Camp 1676 Comment
  UC1070215  Senecio vulgaris H. L. Person 1932-8-20 18486 Humboldt Eureka Inn Eureka, Eureka Inn Comment
  JEPS46746  Sequoia sempervirens Willis G. Corbitt 1931-4-8 Humboldt Scotia Comment
  SD43483  Sequoia sempervirens Carl B. Wolf 1944-10-25 11469 Humboldt along the Eel River Valley, Redwood Highway, 2.4 miles south of Scotia 60 Comment
  UC1134198  Sequoia sempervirens H. L. Person 1933-8-10 Humboldt n of Fortuna; Rohnerville Quad., Holmes-Eureka area Comment
  UCD135226  Sequoia sempervirens C. H. Lamoureux 1956-3-17 1044 Humboldt At south boundary of Jensen Grove, between Meyers and Miranda on U.S. Highway 101. Comment
  HSC98000  Sericocarpus oregonensis var. oregonensis Cara Witte 2007-8-1 610 Humboldt National Forest 1 on Kinsey Ridge. 1 1/2 miles north of White Oak Opening. 1256 Comment
  RSA44417  Setaria pumila Henry M. Pollard 1947-8-19 s.n. Humboldt Klamath River near Wilson Creek, Orleans region Comment
  UC602552  Sherardia arvensis Joseph P. Tracy 1937-6-20 15337 Humboldt 10 mi from mouth Bear River Comment
  RSA46486  Sherardia arvensis Doris K. Kildale 1926-4-25 1806 Humboldt Willow Creek Flat. 152 Comment
  RSA46493  Sherardia arvensis Doris K. Kildale 1925-6-27 759 Humboldt Mouth of Yager. Comment
  UC170177  Sidalcea diploscypha Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5463 Humboldt near Elk Prairie; near Elk Prairie Comment
  JEPS50089  Sidalcea diploscypha Lincoln Constance 1934-5-23 613 Humboldt sw slope Upper end Look Prairie Bull Creek Region, South Fork Eel River, Look Prairie (South Fork Eel River, Bull Creek Region) 365 Comment
  UC1121977  Sidalcea malachroides R. Stahelin 1933-5-15 19520 Humboldt T. P. L. Co. Eureka Quad. (Freshwater) Comment
  UC35225  Sidalcea malachroides Chestnut and Drew 1888-7-8 Humboldt near Arcata; near Arcata Comment
  UC668139  Sidalcea malachroides Joseph P. Tracy 1936-5-17 14812 Humboldt 6 mi se Arcata (Fickle Hill); se of Arcata, Fickle Hill 609 Comment
  HSC61193  Sidalcea malviflora subsp. nana Jimerson, J. Pageau 1979-5-24 473 Humboldt Near Orleans 226 Comment
  BLMAR280  Sidalcea malviflora subsp. patula Jennifer Anthony-Wheeler 1999-5-28 280 Humboldt King range, growing along windy pt rd about 1/2 way to the spring exclosure 140 Comment
  RSA144570  Sidalcea malviflora subsp. patula Peter H. Raven, R. Snow 1958-7-20 s.n. Humboldt 2 miles south of jct. of Friday Ridge Road on Titlow Hill Road, near Grouse Mountain Comment
  HSC101060  Sidalcea oregana subsp. spicata Sydney Carothers, Thomas W. Nelson 1996-8-18 191 Humboldt Six Rivers National Forest; Groves Prairie 451 Comment
  UCR123953  Silene californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 6965 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  UC1198352  Silene campanulata Joseph P. Tracy 1947-7-9 17852 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1432 Comment
  HSC98675  Silene campanulata subsp. glandulosa Cara Witte 2007-6-26 353 Humboldt Horse Mountain Botanical Area. Junction of 6N36 and 6N36A. 1388 Comment
  HSC61770  Silene gallica Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  HSC84003  Silene gallica L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 225 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  HSC57664  Silene grayi G. L. Clifton, Griswold 1979-7-25 10841 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  CAS-BOT-BC181226  Silene hookeri subsp. bolanderi Doris K. Kildale 1926-6-27 2204 Humboldt Laribee Valley 701 Comment
  CAS-BOT-BC389066  Silene laciniata subsp. californica Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC24398  Silene laciniata subsp. californica J. O. Sawyer 1970-6-24 2228 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  HSC41324  Silene laciniata subsp. californica Brad Klipfel 1974-8-2 517 Humboldt Horse Mtn. Comment
  HSC69693  Silybum marianum R. Kalal 1980-6-8 12 Humboldt Arcata, along 7th St., 0.1 mi. E of Hwy. 101 12 Comment
  HSC45084  Sisymbrium officinale R. Sutherland 1978-4-25 1 .25478 Humboldt Mouth of Buck Creek 21 Comment
  HSC13915  Sisyrinchium bellum F. B. Plett 1963-3-31 14 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  HSC13931  Sisyrinchium californicum J. F. Knezevich 1968-5-23 454 Humboldt N of Trinidad at Big Lagoon 0 Comment
  JEPS62108  Smilacina racemosa W. L. Jepson 1902-7-24 2114 Humboldt 1/2 mi below summit; Trinity Summit 2133 Comment
  HSC59674  Solanum douglasii George Kirn 1977-10-20 Humboldt Eureka Bayfront, 0.5 mi. E of Hwy. 255 8 Comment
  JEPS12065  Solanum furcatum Joseph P. Tracy 1940-10-5 16749 Humboldt Trinidad, near boat landing Trinidad 9 Comment
  HSC103077  Solanum xanti Sydney Carothers 2014-6-11 2 Humboldt Six Rivers National Forest, Lassics Botanical Area; south face Mt. Lassic, along trail to summit 1772 Comment
  UC581769  Solidago elongata Joseph P. Tracy 1937-8-12 15654 Humboldt Snow Camp 1402 Comment
  UCR48861  Solidago occidentalis R. D. Goeden, Don W. Ricker 1987-9-2 7 B Humboldt Carlotta, roadside on state Hwy 36 Comment
  CAS-BOT-BC365672  Solidago spathulata Doris K. Kildale 1926-4-9 1745 Humboldt Samoa Peninsula Comment
  CHSC423  Solidago spathulata M. Anthony 1960-5-1 Humboldt Coastal. Comment
  HSC46962  Solidago spathulata J. P. Smith, Thomas W. Nelson 1977-6-30 9219 Humboldt Samoa Peninsula just E of the drag strip. Comment
  UC741150  Solidago spathulata S. K. Harris 1939-9-5 990 Humboldt Samoa Comment
  UC205149  Solidago velutina subsp. californica Joseph P. Tracy 1919-9-13 5189 Humboldt Valley of Trinity River near mouth Willow Creek; Northern Coast Ranges, Valley Trinity River near mouth Willo 152 Comment
  UC127601  Soliva sessilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 Humboldt Hoopa Mt. North-Western California, Hoopa Mt. Comment
  UC1199365  Sonchus asper Joseph P. Tracy 1935-5-19 13809 Humboldt near Myers (South Fork Eel River, North Coast Ranges); North Coast Ranges, South Fork Eel River 91 Comment
  HSC6224  Sonchus oleraceus J. W. Johnson 1961-8-17 1043 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  UC1222306  Sorbus californica Joseph P. Tracy 1951-6-14 19419 Humboldt Snow Camp 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
  UCR122386  Spartina foliosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 6994 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  CAS-BOT-BC390303  Spergularia macrotheca var. macrotheca Robert F. Thorne; P. Everett 1965-8-8 35277 Humboldt N edge of Eureka, E of Hwy. 101 3 Comment
  UCR122377  Spergularia marina George K. Helmkamp, E. A. Helmkamp 2001-7-8 7007 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  HSC4254  Spergularia rubra D. E. Anderson 1961-9-30 1838 Humboldt Comment
  HSC68109  Spergularia rubra J. P. Smith, J. O. Sawyer 1973-5-12 6670 Humboldt 2 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC79380  Spergularia salina Kenneth Clark 1980-5-10 658 Humboldt Above mean high tide on S and E facing bluffs 5 Comment
  HSC19754  Spiraea douglasii D. E. Anderson 1961-9-9 1793 Humboldt Along S shore of Big Lagoon Comment
  RSA472778  Spiraea douglasii E. S. Spalding 1884-7-12 s.n. Humboldt Near Arcata. Comment
  UC14210  Spiraea douglasii J. Burtt Davy 1899-6-29 5897 Humboldt banks of Klamath River; North Coast Ranges Comment
  HSC16658  Spiranthes romanzoffiana J. Wendell Howe 1934-7-20 1311 Humboldt Arcata Comment
  JEPS64512  Spiranthes romanzoffiana W. L. Jepson 1921-8-11 9412 Humboldt Big Lagoon Comment
  UC577329  Stachys ajugoides var. ajugoides W. E. Peacock 1936-8-1 Humboldt Arcata Bottom Arcata 9 Comment
  UC726345  Stachys ajugoides var. rigida A. A. Heller 1923-7-8 13769 Humboldt near Pepperwood Comment
  UCLA71116  Stachys ajugoides var. rigida H. Lewis 1940-7-2 Humboldt Stone Lagoon Comment
  UCLA71114  Stachys ajugoides var. rigida C. Epling Jun 1938 Humboldt above Redwood Creek Comment
  UCR275115  Stachys bullata Charity A. Hartshorn 2016-4-24 17 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC27045  Stachys mexicana Brad Klipfel 1973-8-25 289 Humboldt Near Lazy L Ranch, Fickle Hill Rd. Comment
  UC1198342  Stellaria borealis subsp. sitchana Joseph P. Tracy 1912-7-21 3776 Humboldt Alton; Northern Coast Region 30 Comment
  HSC39800  Stellaria media Peter Sorensen 1976-6-11 Humboldt Woodley Island Comment
  HSC4277  Stellaria media Lincoln Constance 1934-5-31 754 Humboldt S Fork of the Eel River, Bull Creek Flat, along Bull Creek, W boundary of park to Grasshopper Peak, N side of creek Comment
  UC1103547  Stellaria nitens Joseph P. Tracy 1918-5-1 4899 Humboldt Kneeland Prairie Northern Coast Ranges (Dan McBride place) 762 Comment
  HSC57914  Stenanthium occidentale Gilbert Muth 1979-7-31 11524 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  HSC40316  Stipa lemmonii Thomas W. Nelson 1976-7-9 2994 Humboldt Along ridge S of the E peak of the Lassic Peak (Signal Peak) group 1707 Comment
  HSC58416  Stipa occidentalis var. californica Griswold, Butler 1979-7-12 7217 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  CAS-BOT-BC87607  Streptanthus tortuosus Doris K. Kildale 1928-5-27 5955 Humboldt Kneeland Prairie. 853 Comment
  HSC58025  Streptopus amplexifolius G. L. Clifton 1979-7-31 11833 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC22724  Swertia albicaulis var. nitida Harley P. Chandler Jun 1901 1486 Humboldt Klamath River Northern Coast Ranges 426 Comment
  HSC63139  Swertia radiata M. A. Baker 1979-6-27 935 Humboldt Head of Oregon Creek Comment
  JEPS46345  Swertia radiata Joseph P. Tracy 1917-9-2 4851 Humboldt Grouse Mt. Northern Coast Ranges 1524 Comment
  CAS-BOT-BC269566  Symphoricarpos albus var. laevigatus E. A. McGregor 1921-8-2 s.n. Humboldt Requa and vicinity. 6 miles E. up Klamath River on Terwah Road Comment
  HSC56382  Symphoricarpos albus var. laevigatus Griswold, Butler 1979-7-11 6912 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  HSC48480  Symphoricarpos mollis Brad Klipfel 1974-9-7 569 Humboldt Horse Mtn. area, creek flowing into E Fork of Willow Creek. Comment
  CAS-BOT-BC99167  Symphyotrichum chilense L. R. Abrams 1927-9-1 12063 Humboldt unspecified Comment
  UC1222982  Symphyotrichum hendersonii Joseph P. Tracy 1941-8-24 17040 Humboldt near McKay camp; South Fork Mountain 1676 Comment
  RSA46853  Symphytum asperum Doris K. Kildale 1927-6-26 3588 Humboldt Wildcat Grade near Ferndale. Comment
  UC1359832  Symphytum asperum Johnnie L. Gentry Jr. and Earl Jensen 1968-7-5 2120 Humboldt on Tompkins Hill Rd. s. of Eureka (ca. 2 mi. e. of Hwy. junction U.S. 101 and Tompkins Hill Rd.) 30 Comment
  HSC40906  Synthyris reniformis J. O. Sawyer 1970-4-24 2193 Humboldt Along FS Rd. 7N04 at Cedar Creek below Groves Prairie Comment
  CHSC1902  Synthyris reniformis var. cordata H. Mapes 1953-3-9 Humboldt Comment
  HSC93511  Tanacetum bipinnatum Gordon Leppig 1998-5-25 789 Humboldt Big Lagoon State Park. 2 Comment
  SD39584  Tanacetum camphoratum Charlotte Hoak 1931-7-15 Humboldt Eureka Comment
  UC1197330  Tauschia kelloggii Joseph P. Tracy 1926-4-11 7407 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  UC1197067  Tauschia kelloggii Joseph P. Tracy 1936-6-27 15006 Humboldt along South Fork of Eel River Miranda; along South Fork of Eel River 121 Comment
  HSC1595  Taxus brevifolia F. Morrell 1949-5-22 33 Humboldt E of Berry Summit , Hwy. 299 Comment
  HSC74647  Taxus brevifolia M. A. Baker 1980-5-17 1214 Humboldt Near Le Perron Peak 792 Comment
  HSC20433  Tellima grandiflora Elrid H. Spinas 1948-6-16 63 Humboldt Horse Mtn. Comment
  HSC56197  Tellima grandiflora Gilbert Muth 1979-8-1 12161 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  CAS-BOT-BC447401  Tellima grandiflora H. D. Ripley; R. C. Barneby 1945-6-16 6824 Humboldt North of Harris Comment
  JEPS49696  Tellima grandiflora Milo S. Baker 1923-7-20 Humboldt near South Yager Creek (Redwood House Road) Comment
  RSA24202  Tellima grandiflora Carl B. Wolf 1941-3-3 9994 Humboldt N. Coast Range. 7.5 mi. N. of Ettersburg on rd. to Honeydew. 305 Comment
  SEINET12217338  Tellima grandiflora F. H. Utech 1988-1 88 -279 Humboldt along CA 36 from Bridgeville enroute to Dinsmore, mile marker 42.00, bluffs above Van Duzen River 800 Comment
  UC502931  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1932-6-26 10263 Humboldt valley of South Yager Creek Northern Coast Ranges 762 Comment
  UC667955  Thelypteris nevadensis Joseph P. Tracy 1937-7-25 15556 Humboldt ne of Hawkins Bar (Happy Camp Mt.); Trinity Summit Range 1280 Comment
  HSC35757  Thermopsis gracilis Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-15 2000 Humboldt French Camp, Bald Hills. Comment
  CHSC10101  Thermopsis macrophylla D. E. Anderson 1965-5-15 36926 Humboldt About 7 miles north of Hoops on Bloody Camp Prairie road. Comment
  HSC15097  Thermopsis macrophylla D. E. Anderson 1965-5-15 3692 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  CAS-BOT-BC81312  Thuja plicata Dr. A. Kellogg; W. G. W. Harford 1868-9 933 Humboldt unspecified Comment
  HSC45916  Thuja plicata Jerome Peterson 1978-4-16 6 Humboldt HSU Campus near Home Economics Building Comment
  OBI36631  Thuja plicata David J. Keil 1983-7-2 17308 Humboldt Ca. 10.5 mi E of jctn with US 101 along SR 299 Comment
  POM299149  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt Camp 21 , Hammond Lumber Company, Trinidad 152 Comment
  UC1174840  Thuja plicata P. C. Everett and E. K. Balls 1959-10-25 23970 Humboldt 6.9 mi sw from Ferndale (on Old Coast Road to Capetown, on heavily wooded slopes, n coastal conifer forest) 563 Comment
  CAS-BOT-BC88323  Thysanocarpus curvipes John H. Thomas 1968-4-21 14355 Humboldt About 6.4 miles south of Weitchpec (as measured along the road). 170 Comment
  UC183590  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1912-7-25 3813 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCR3923  Tiarella trifoliata var. unifoliata David Whistler, H. M. Whistler 1964-7-29 640729- 5 Humboldt 0.2 mi north of Meyers Flats on U.S. 101 75 Comment
  HSC98858  Tiarella trifoliata var. unifoliata Cara Witte 2008-7-30 976 Humboldt Forest Service Road 5N04. 1/4 mile east of intersection with Forest Service Road 4N70. 1583 Comment
  UC1222359  Tolmiea diplomenziesii Joseph P. Tracy 1950-6-15 19040 Humboldt vicinity Willow Creek (near mouth of Raccoon Creek, 1 mi ne of Patterson's Ranch) Comment
  CAS-BOT-BC447608  Tolmiea menziesii Volney Rattan 1903-6-9 s.n. Humboldt Long Bar, Klamath Comment
  SEINET12221295  Tolmiea menziesii H. P. Chandler 1901-1 1268 Humboldt North Coast Ranges 457 Comment
  UC1051572  Torilis arvensis subsp. arvensis Joseph P. Tracy 1948-8-1 18081 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  RSA12424  Torreyochloa pallida var. pauciflora C. B. Wolf 1934-7-2 5870 Humboldt Small Lake at Snow Camp. (Mountains east of Korbel). 1372 Comment
  SEINET7295169 Image available Torreyochloa pallida var. pauciflora Joseph P. Tracy 1940-1 16742 Humboldt Mouth of Little River 3 Comment
  HSC79461  Toxicodendron diversilobum Kenneth Clark 1980-6-14 660 Humboldt W slope above Dead Man's Gulch. 122 Comment
  RSA0001653  Tracyina rostrata Joseph P. Tracy 1916-6-20 4735 Humboldt Southeastern Humboldt county. Alder Point on Eal River. 305 Comment
  UC1239719  Trichostema laxum Joseph P. Tracy 1933-11-26 13123 Humboldt Kneeland Prairie Comment
  RSA440753  Trichostema laxum E. S. Spalding 1924-7-13 s.n. Humboldt Lanis Flats, bank of Eel River. Comment
  RSA46837  Trientalis latifolia Doris K. Kildale 1926-6-6 s.n. Humboldt quik as Davidsons Comment
  RSA69006  Trientalis latifolia F. W. Peirson 1923-7-9 s.n. Humboldt first summit on road between coast and Eel River Comment
  UCD117587  Trientalis latifolia D. Sanchez-Mata; S. Rivas-Martinez, M. Costa, and M. Ladero 1998-6-10 s.n. Humboldt Trinidad-Patricks Point. 25 Comment
  UC165509  Trifolium albopurpureum var. albopurpureum Harley P. Chandler 1901-6-1 1321 Humboldt Hupa Indian Reservation (now spelled Hoopa on modern maps) North Coast Ranges 152 Comment
  UC160914  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1908-6-9 2652 Humboldt Kneeland Prairie North Coast Ranges 762 Comment
  UC1223386  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1936-5-29 14819 Humboldt French Camp Comment
  UC302174  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1923-5-23 6260 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC1197185  Trifolium bifidum var. decipiens J. P. Tracy 1910-5-22 3140 Humboldt immediate vicinity Eureka 0 Comment
  UC1541600  Trifolium ciliolatum Harold E. Parks May 1923 1497 Humboldt Eel River, McCanns Comment
  HSC98729  Trifolium cyathiferum Cara Witte 2007-7-20 565 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1460 Comment
  RSA168901  Trifolium depauperatum Joseph P. Tracy 1933-5-20 12242 Humboldt Mattole Valley at Petrolia. Comment
  JEPS79998  Trifolium dubium Joseph P. Tracy 1925-5-17 6971 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1223466  Trifolium dubium Joseph P. Tracy 1935-5-25 13830 Humboldt Blocksburg Comment
  UC1223464  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1949-8-4 18415 Humboldt toward Trinity Summit (Mud Springs, on rd from Hoopa) 1341 Comment
  UC1197033  Trifolium fucatum Joseph P. Tracy 1932-5-10 9963 Humboldt near Petrolia (Mattole River); North Coast Ranges 15 Comment
  HSC100534  Trifolium fucatum Carl C. Marshall Mar 1886 18 Humboldt Hills. Comment
  UC1223459  Trifolium fucatum Joseph P. Tracy 1933-5-20 12221 Humboldt s point of cape (near ocean shore); Cape Mendocino Comment
  UC1541583  Trifolium fucatum H. E. and S. T. Parks May 1930 738 Humboldt vicinity Bridgeville Comment
  POM20265  Trifolium fucatum var. fucatum L. R. Abrams 1916-7-11 6036 Humboldt North of Grizzly Creek on Van Duzon River. Comment
  SEINET12147901  Trifolium fucatum var. virescens J. P. Tracy 1950-1 18747 Humboldt Cape Ridge, 1 mi E of Cape Mendocino 152 Comment
  UC1197048  Trifolium hybridum J. P. Tracy 1901-6-16 1158 Humboldt immediate vicinity Eureka 0 Comment
  HSC100251  Trifolium incarnatum J. P. Smith, & J. O. Sawyer 2010-5-2 12808 Humboldt Along Hwy. 96, N of Orleans 140 Comment
  HSC57305  Trifolium longipes subsp. oreganum Griswold, Butler 1979-7-10 6210 Humboldt Near Kinsey Ridge, close to the town of Willow Creek 1244 Comment
  UC1223331  Trifolium longipes var. oreganum Joseph P. Tracy 1933-7-11 12698 Humboldt between Horse Mt. and Grouse Mt. (near Clear Lake) Comment
  HSC100536  Trifolium macraei Carl C. Marshall Jun 1885 50 Humboldt Bear River. Comment
  HSC15218  Trifolium macraei J. W. Johnson 1961-5-27 1386 Humboldt Arcata, Christenson Farm on the Samoa Peninsula 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
  HSC45138  Trifolium microcephalum R. Sutherland 1978-5-25 1 .25578 Humboldt Near the Mattole River 288 Comment
  POM20264  Trifolium microdon L. R. Abrams 1916-6-11 6037 Humboldt Mouth of Grizzly Creed on Van Duzon River. Comment
  UC1541584  Trifolium obtusiflorum Parks and Tracy 1930-5-25 861 Humboldt Laribee Valley 762 Comment
  HSC15222  Trifolium obtusiflorum William J. Ferlatte, B. D. Rodgers 1966-6-7 2084 Humboldt 1 mi. E of Forest Glen 732 Comment
  UC1197521  Trifolium obtusiflorum Joseph P. Tracy 1911-6-11 3241 Humboldt Trinidad Station Northern Coast Ranges 91 Comment
  UC1197499  Trifolium oliganthum Joseph P. Tracy 1906-6-10 2471 Humboldt near Wrangleton (Kneeland Prairie); Northern Coast Ranges 152 Comment
  HSC23732  Trifolium repens Tim Baroni 1971-7-6 117 Humboldt 8 mi. S of Ferndale on Mattole Rd. Comment
  HSC34617  Trifolium subterraneum David Ferranti 1974-5-6 Humboldt Garden weed at 43601/2 Union St. Eureka Comment
  UC16778  Trifolium variegatum var. melananthum Joseph Burtt Davy and Walter C. Blasdale 1899-6-15 5530 Humboldt Scotia Comment
  UC16781  Trifolium variegatum var. melananthum Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5342 Humboldt Harris Comment
  UC169057  Trifolium variegatum var. melananthum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3594 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC201371  Trifolium variegatum var. melananthum Joseph P. Tracy 1918-7-3 4990 Humboldt Shelter Cove Northern Coast Ranges 15 Comment
  UC1103457  Trifolium variegatum var. variegatum Joseph P. Tracy 1925-8-9 7227 Humboldt near Miranda (Salmon Creek); Northern Coast Ranges 91 Comment
  HSC49043  Trifolium willdenovii Patricia Shesgreen 1978-5-6 71 Humboldt Arthur W. Way Memorial Park campground. 100 yds. N of Mattole River. Comment
  UC1197517  Trifolium willdenovii Joseph P. Tracy 1932-6-4 10131 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC1223310  Trifolium willdenovii Joseph P. Tracy 1933-6-24 12615 Humboldt hills at n end lagoon; Big Lagoon Comment
  RSA167422  Trifolium wormskioldii Joseph P. Tracy 1938-6-12 16056 Humboldt Fields Landing. Moist flats along edges of foothills, 2 miles south of town. 6 Comment
  RSA168852  Trifolium wormskioldii Joseph P. Tracy 1950-6-8 18714 Humboldt Near the Sand Cut. Wild Cat Road, 2 miles south of Ferndale. Comment
  SEINET12156843  Trifolium wormskioldii J. P. Tracy 1938-1 16056 Humboldt Field's Landing, 2 mi S of town 6 Comment
  HSC59060  Triglochin maritima Thomas Wood 1979-5-4 154 Humboldt Big Lagoon Bog, N side, between the bog and the sea 0 Comment
  HSC93841  Triglochin striata Gordon Leppig 1999-10-25 1267 Humboldt Hwy. 101, mi. marker 61.40, E side of Hwy. 2 Comment
  CAS-BOT-BC519077  Trillium angustipetalum Doris K. Kildale; L. B. Kildale 1930-5-11 9531 Humboldt Wiregrass Prairie, The Bald Hills 792 Comment
  HSC101808  Trillium kurabayashii Kjirsten A. Wayman 2012-4-1 304 Humboldt Hoopa, 0.3 miles up Bair Road, near Supply Creek 168 Comment
  HSC24377  Trillium ovatum J. O. Sawyer 1970-6-24 2278 Humboldt W of Mill Creek Lakes. 1677 Comment
  HSC47579  Trillium ovatum Sheila Logan 1978-4-10 175 Humboldt Redwood Park behind HSU campus Comment
  POM109203  Trillium ovatum Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC59657  Trillium ovatum Marla J. Carollo 1979-4-10 3 Humboldt Side of the logging trail behind dorms of HSU campus Comment
  SEINET12048689  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -176 Humboldt ca 0.4 mi S towards Redcrest on Avenue of Giants from junction with US 101 15 Comment
  UC1197829  Trillium ovatum Joseph P. Tracy 1918-4-21 4883 Humboldt near Newell's old camp, on old Kneeland Prairie rd. Newell's old camp; Northern Coast Ranges, around Humboldt Bay 304 Comment
  CAS-BOT-BC521311  Trillium rivale Joseph P. Tracy 1949-6-25 18345 , 18425 Humboldt Trinity Summit; Mud Springs, in sperpentine area. 1341 Comment
  CAS-BOT-BC521317  Trillium rivale L. B. Kildale 1930-6-1 9770 Humboldt Klamath River at Bluff Creek 152 Comment
  UC176946  Triphysaria pusilla Joseph P. Tracy 1913-6-18 4196 Humboldt opposite Buck Mountain (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC702568  Triphysaria pusilla C. C. and S. K. Harris 1942-6-18 1283 Humboldt 1 mi n and 3 mi w Chalk Mountain; n and w of Chalk Mountain 665 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
  JEPS10443  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17467 Humboldt Eureka 6 Comment
  CAS-BOT-BC199624  Trisetum canescens Joseph P. Tracy 1935-7-25 14235 Humboldt Trinity Summit, open places at McKay Prairie 1584 Comment
  CAS-BOT-BC199625  Trisetum canescens David D. Keck 1948-7-2 6006 Humboldt E. side of Rocky Ridge, E. of Berry's Summit, 4.1 miles W. of Willow Creek, near Boundary of Six Rivers National Forest 457 Comment
  CAS-BOT-BC199628  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point, on Eel River 152 Comment
  RSA129125  Trisetum canescens H. S. Yates 1936-6-17 5704 Humboldt Lower N.W. slope of Buck Mountain 793 Comment
  SEINET200769  Triteleia bridgesii Joseph P. Tracy 1949-6-25 18345 Humboldt Trinity Summit Mud Springs in serpentine area 1341 Comment
  RSA256582  Triteleia bridgesii D. E. Anderson 1972-6-20 5725 Humboldt Along the Redwood Valley-Hoopa Rd. east of the summit. Comment
  SJSU911  Triteleia bridgesii J. W. Tilden 1946-6-20 1018 Humboldt Bluff Creek c. 1.5 mi above junction with Klamath River Comment
  HSC3103  Triteleia laxa Greg Bos 1965-5-15 273 Humboldt Berry Summit near Hwy. 299 793 Comment
  UC666895  Triteleia laxa Joseph P. Tracy 1932-6-26 10269 Humboldt high grassy ridges Fort Baker 762 Comment
  UC205458  Umbellularia californica Joseph P. Tracy 1919-9-13 5196 Humboldt Trinity River, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River, Willow Creek 152 Comment
  UC1239527  Uropappus lindleyi Joseph P. Tracy 1927-5-8 7973 Humboldt grassy slopes facing South Fork Eel Rivar (Phillipsville); Northern Coast Ranges, South Fork Eel River, Phillipsville 121 Comment
  UCD170579  Urtica dioica subsp. gracilis Gordon Leppig 1998-4-13 736 Humboldt Arcata, Anvick Rd. 12 Comment
  JEPS9172  Utricularia macrorhiza Joseph P. Tracy 1930-8-3 9146 Humboldt on old rd. to Dinsmore's (pond near Little Van Duzen R.) 762 Comment
  CAS-BOT-BC193961  Vaccinium cespitosum Doris K. Kildale 1928-5-25 6039 Humboldt Foot of Third Street near drawbridge on Eureka Slough, Eureka Comment
  CAS-BOT-BC199304  Vaccinium ovatum Doris K. Kildale 1927-3-25 3008 Humboldt Humboldt Hill near Bucksport School House 15 Comment
  CAS-BOT-BC199316  Vaccinium ovatum P. C. Everett; E. K. Balls 1959-10-26 23974 Humboldt 4 mi. se. from Honeydew along Old Coast Road to Ettersburg 457 Comment
  CAS-BOT-BC199323  Vaccinium ovatum Carl B. Wolf 1930-10-24 1761 Humboldt Along the Klamath River 2 miles below mouth of Salmon River 152 Comment
  HSC12435  Vaccinium ovatum Gary J. Stebbins 1970-2-21 10 Humboldt Patricks Point State Park 38 Comment
  HSC7917  Vaccinium ovatum D. E. Anderson 1961-9-23 1832 Humboldt 2.3 mi. S of Kneeland corner Comment
  HSC89437  Vaccinium ovatum P. A. Daly 1984-5-13 26 Humboldt Along trail/Rd. at Trinidad Head. 61 Comment
  POM257944  Vaccinium ovatum H. E. Parks, S. T. Parks 1937-04 5638 Humboldt Spruce Cove, Trinidad. Comment
  UCD118109  Vaccinium ovatum T. I. Storer 1931-7-1 2221 Humboldt Coast. Comment
  CAS-BOT-BC199420  Vaccinium parvifolium Joseph P. Tracy 1927-6-12 8133 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC199421  Vaccinium parvifolium Elmer I. Applegate 1923-9-10 s.n. Humboldt Martin's Ferry, Klamath River Comment
  SD257259  Vaccinium parvifolium Jim R. Shevock 1972-3-26 1470 Humboldt Along Highway 299. 366 Comment
  CAS-BOT-BC76038  Vancouveria hexandra C. Hart Merriam 1922-7-5 s.n. Humboldt Fortuna. Carson Woods. Comment
  UC503042  Vancouveria hexandra Joseph P. Tracy 1927-6-19 8196 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  HSC62904  Vancouveria hexandra J. M. DiTomaso 1979-4-22 905 Humboldt 14th St. in Redwood Park adjacent to HSU Comment
  HSC63004  Vancouveria hexandra David Wheeler 1979-5-17 116 Humboldt Stagecoach Rd., 1 mi. from Post Office in Trinidad Comment
  HSC69623  Vancouveria hexandra R. Kalal 1979-5-20 68 Humboldt Fickle Hill Rd., 1 mi. E of 11th St. 189 Comment
  RSA189781  Vancouveria hexandra Noel Holmgren, James L. Reveal 1966-6-8 2659 Humboldt Coast Range, east of Arcata, 1.5 miles south of Korbel. 274 Comment
  UC1541238  Vancouveria hexandra Harold E. Parks May 1933 4288 Humboldt near Trinidad; near Trinidad Comment
  CAS-BOT-BC76086  Vancouveria planipetala L. R. Abrams 1918-6-16 7189 Humboldt Willow Creek. Comment
  JEPS33028  Vancouveria planipetala W. L. Jepson 1934-5-7 16695 Humboldt Bull Creek Comment
  UC8778  Velezia rigida Harley P. Chandler June, 1901 1306 Humboldt Hupa Indian Reservation; North Coast Ranges, Hupa Indian Reservation 152 Comment
  CAS-BOT-BC528852  Veratrum californicum Doris K. Kildale 1927-7-1 3613 Humboldt Alton 20 Comment
  UC176191  Veratrum californicum var. californicum Joseph P. Tracy 1912-6-16 3695 Humboldt between Fields Landing and Salmon Creek (at the Still place); Humboldt Bay Region 0 Comment
  HSC65844  Veratrum insolitum Gail Newton 1980-6-16 154 Humboldt Near Monks Camp. 1097 Comment
  SEINET3992208  Veratrum insolitum Unknown 1948-9-12 18213 Humboldt 1 mi. W. of Box Camp 1372 Comment
  SDSU11035  Verbascum thapsus Harvey 1938-8-14 2322 Humboldt Trinity River. US 299. Comment
  HSC21738  Verbena lasiostachys D. E. Anderson 1963-5-25 2499 Humboldt 4 mi. E of Petrolia. Comment
  HSC21215  Veronica persica J. L. Baker 1965-3-9 1 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  UC775054  Veronica scutellata Carl B. Wolf 1937-6-18 8895 Humboldt 1/2 mi s of Fortuna 15 Comment
  HSC56929  Vicia americana var. americana G. L. Clifton, Butler 1979-7-26 9357 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  RSA293198  Vicia angustifolia J. P. Smith 1973-5-26 6831 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  JEPS66185  Vicia hirsuta Joseph P. Tracy 1916-5-31 4689 Humboldt Stitz Creek Northern Coast Ranges, Eel River (along the Eel River from South Fork to Scotia) 60 Comment
  SEINET5078517  Vicia sativa Unknown 2002-8-22 89 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  CAS-BOT-BC94771  Vicia tetrasperma R. C. Wenk; P. Hopkinson; M. Hammond; S. Spiegal 2008-6-6 831 Humboldt Humboldt Redwoods State Park. Look Prairie, 0.5 air miles N of Mattole Road, about 3 air miles W of Highway 101 243 Comment
  UC169306  Vicia tetrasperma Joseph P. Tracy 1912-7-7 3739 Humboldt Eureka; Northern Coast Region 0 Comment
  UCSB61648  Vicia tetrasperma Ertter, Barbara; Delendick, Thomas 1987-5-16 Humboldt Hwy 299 roadside ca. 8 mi E of Arcata, 9 1/2 mi W of Lord Ellis summit Comment
  HSC21761  Viola adunca R. D. Modafferi 1965-3-13 15 Humboldt 0.6 mi. N of Trinidad on Trinity St. Approx. 1/2 mi. W of 30 Comment
  HSC98454  Viola adunca Brad Klipfel 1973-4-28 11 Humboldt Along Canyon Creek SW of Korbel Comment
  HSC44773  Viola adunca Thomas W. Nelson, Jane Nelson 1977-6-19 3499 Humboldt Bog northwest of pond above Alder Springs 1555 Comment
  JEPS50216  Viola bakeri Joseph P. Tracy 1932-7-15 10581 Humboldt Ridges e of Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  HSC90169  Viola cuneata Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 57 Humboldt Horse Mtn. Summit; Rd. 6N36, 1 mi. N of Titlow Hill Rd. 1494 Comment
  HSC48741  Viola glabella Brad Klipfel 1973-6-10 66 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UCR45416  Viola glabella N. Meiselman, M. Bransom, D. Brown, R. Hildebrant 1986-4-19 35 Humboldt North Coast Range, Horse Mountain, 0.5 mi. down Titlow Road from Ski Area 1372 Comment
  HSC49905  Viola glabella Maralyn O'Meara 1973-6-12 205 Humboldt Above Clear Lake Comment
  UC1198464  Viola lobata subsp. integrifolia Joseph P. Tracy 1935-7-14 14068 Humboldt Back of Clear Lake; North Coast Ranges, Grouse Mountain. 1524 Comment
  RSA183614  Viola ocellata D. E. Anderson 1965-5-1 3557 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  UC1198437  Viola ocellata Joseph P. Tracy 1933-5-21 12210 Humboldt Bridgeville 198 Comment
  UC1198420  Viola praemorsa subsp. linguifolia Joseph P. Tracy 1933-6-13 12566 Humboldt near summit on road w from Hoopa to Bair's; Northern Coast Ranges, Hooopa Mountain 1066 Comment
  HSC36500  Viola purpurea subsp. purpurea Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1892 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  UC183743  Viola purpurea subsp. quercetorum Joseph P. Tracy 1913-6-17 4149 Humboldt on nw slope of Buck Mountain (Burr Balley); Northern Coast Ranges, Burr Valley, Buck Mountain 1066 Comment
  CHSC68507  Viola sempervirens Vernon H. Oswald 1997-4-10 8326 Humboldt Elk Head, north end of Trinidad State Beach. Alonf the trail between the parking area and the bluffs overlooking the ocean. 30 Comment
  UC727172  Viola sempervirens A. A. Heller 1924-7-23 13877 Humboldt Trinidad Head Comment
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Sep 29 2006
  HSC12233  Viola sempervirens Gary J. Stebbins 1970-2-2 3 Humboldt In Big Lagoon Park 2.7 mi. W of U.S. 101 Comment
  HSC34797  Viola sempervirens John Palmer 1975-4-9 299 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  RSA46480  Viola sempervirens Doris K. Kildale 1927-3-19 2901 Humboldt Luffenholtz Creek. Comment
  UC502952  Viola sheltonii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8910 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC86306  Viola sheltonii K. Berg, R. Bonning 1983-5-21 487 Humboldt 6.1 mi. from Berry Summit and Hwy. 299 1494 Comment
  CAS-BOT-BC385063  Vitis girdiana Carl D. Duncan 1920-9-22 s.n. Humboldt Trinity River, Hoopa Valley Comment
  UC589877  Vulpia bromoides H. S. Yates 1936-6-16 5663 Humboldt 1 mi sw Samoa; Eureka Quad. 6 Comment
  UCD93869  Vulpia microstachys var. ciliata Joseph P. Tracy 1936-7-5 15038 Humboldt Grouse Mountain. Comment
  SEINET7295259 Image available Vulpia microstachys var. pauciflora Joseph P. Tracy 1942-1 17224 Humboldt Trinity Summit; Ridge top one mile west of Mud Springs 1158 Comment
  CAS-BOT-BC184733  Vulpia myuros subsp. megalura Henry M. Pollard 1948-7-19 s.n. Humboldt Orleans to Van Fleet ranch Comment
  HSC20447  Whipplea modesta J. W. Johnson 1962-4-22 1280 Humboldt Willow Creek along the Hwy. on the canyon slope W of town Comment
  SBBG2858  Whipplea modesta H. and M. Dearing 1933-5-16 1242 Humboldt near Weott Comment
  SDSU911  Whipplea modesta D. F. Howe 1961-8-2 3121 Humboldt 7.7 Miles east of Orick on Bald Mtn. Road. 610 Comment
  CAS-BOT-BC382920  Wyethia angustifolia Doris K. Kildale 1928-6-24 5271 Humboldt Horse Mountain 853 Comment
  HSC6317  Wyethia angustifolia D. E. Anderson 1963-5-25 2484 Humboldt 2-3 mi. N of Capetown Comment
  HSC74374  Wyethia angustifolia M. A. Baker 1980-6-28 2493 Humboldt Near Mad River Buttes 1445 Comment
  CAS-BOT-BC382927  Wyethia angustifolia D. E. Breedlove 1961-7-4 654 Humboldt On U.S. Highway 299, 13.7 miles west of Willow Creek 731 Comment
  UC582641  Wyethia angustifolia Joseph P. Tracy 1937-7-24 15524 Humboldt prairie in Devil's Hole; Trinity Summit 1676 Comment
  RSA167419  Wyethia longicaulis Joseph P. Tracy 1950-7-1 18942 Humboldt Summit near Clear Lake where the Friday Ridge Road comes to the top of Grouse Mountain Ridge. Comment
  HSC37690  Xanthium strumarium R. Sutherland 1976-8-13 31 .13876 Humboldt In mouth of Redwood Creek at South Fork of Eel River. 88 Comment
  HSC15735  Xerophyllum tenax D. E. Anderson 1965-4-29 3555 Humboldt Rd. from Fickle Hill to Maple Creek, Butler Valley Area Comment
  HSC100567  Xerophyllum tenax Carl C. Marshall Jun 1885 82 Humboldt Ridge between Redwood and N Fork. Comment
  HSC8420  Zeltnera muehlenbergii Yarick 1960-8-5 Humboldt M&M, 7 mi. Krueger Creek 152 Comment



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