Search Results — 2000 specimen records retrieved (1371 records with coordinates)
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Results for search: County=HUMBOLDT; Source=All;   

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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
  HSC102605  Abies concolor M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1592 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  CAS-BOT-BC78051  Abies grandis L. R. Abrams 1918-6-15 7100 Humboldt Brannan Mt. near Willow Creek 1371 Comment
  UC1193117  Abies grandis P. J. Zinke 1950-9-21 163 Humboldt Salmon Creek 1 mi upstream from Mill Creek Salmon Creek, Quad. 29C1 152 Comment
  UC667970  Abies grandis Joseph P. Tracy 1937-6-20 15354 Humboldt 10 mi up stream from the mouth Bear River 152 Comment
  UC72493  Abies grandis H. P. Chandler 1905-5-3 Humboldt Eureka Comment
  JEPS47996  Abies magnifica var. magnifica W. L. Jepson 1902-7-16 2043 Humboldt Trinity Summit 2133 Comment
  HSC55022  Abies procera Overton, Butler 1979-7-31 11431 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  BLMAR389  Abronia umbellata subsp. breviflora Jennifer Anthony-Wheeler 2004-10-10 389 Humboldt Samoa/manilla dunes, Due west of water line tower number77 3 Comment
  UCD150384  Abronia umbellata var. breviflora William Anderson and H. Mc. 1964-8-6 s.n. Humboldt Little River. Comment
  CDA40642  Acaena novae-zelandiae G. D. Barbe, E. C. Whitney & Warren Simas 1978-7-26 2416 Humboldt East of Arcata airport between Fieldbrook and Crannell; Vic Guynup property. 0 Comment
  CAS-BOT-BC330565  Acer circinatum W. R. Dudley 1899-6-21 s.n. Humboldt Englewood Creek, Eel River Comment
  HSC27877  Acer circinatum Clifton Raymond Chesbrough 1973-6-19 75 Humboldt 0.25 mi. from Harris and T Sts. on U St. Comment
  JEPS42746  Acer circinatum W. L. Jepson 1902-6-22 1915 Humboldt near Rio Del; near Rio Del Comment
  SDSU2131  Acer circinatum Harvey 1938-8-14 2327 Humboldt US 299 Arcata - Willow Creek. Hayden Flat. Comment
  UC205486  Acer circinatum Joseph P. Tracy 1920-8-1 5346 Humboldt Lawrence Creek Kneeland Prairie 457 Comment
  HSC58007  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-31 11795 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC98921  Acer glabrum var. torreyi Cara Witte 2007-6-5 211 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  CAS-BOT-BC331593  Acer macrophyllum Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  HSC2812  Acer macrophyllum R. E. Thill 1965-5-1 27 Humboldt 0.25 mi. from Korbel on the Camp Bauer Rd. Comment
  HSC60003  Acer macrophyllum M. A. Baker 1978-5-6 466 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  HSC95908  Acer macrophyllum Will Ferrand 2002-4-20 25 Humboldt 9 mi. E of intersection of West End Rd. and Warren Creek Rd. 67 Comment
  SDSU297  Acer macrophyllum L. N. Harvey 1930-9-27 Humboldt Eel River Comment
  UC1199012  Acer macrophyllum Joseph P. Tracy 1912-3-31 3569 Humboldt near mouth Lindsey Creek (Mad River); Northern Coast Ranges, Mad River 30 Comment
  UC165809  Acer macrophyllum Joseph P. Tracy 1911-6-4 3224 Humboldt along Little River 5 mi from the coast; Northern Coast Region, along Little River 121 Comment
  UC165821  Acer macrophyllum J. P. Tracy 1906-4-15 2403 Humboldt moist bottom lands on Mad River near Blue Lake; on Mad River near Blue Lake 30 Comment
  RSA624389  Acer macrophyllum Louis C. Wheeler 1952-9-14 6930 Humboldt Steep east slope, associated with Umbellularia, Quercus garryana, Pseudotsuga taxifolia. Young tree ca. 8 meters tall. (#5) (Leaves from this tree for analysis). Comment
  SEINET9350229 Image available Acer macrophyllum Frederick Utech, Knight, Walter; Knight Irja 1984-4-20 84 -175 Humboldt Humboldt County; Ca. 0.4 mi S towards Redcrest on Avenue of Giants from junction with US hwy 101. Trees to 20 ft.; along edge of Redwood Forest Association. Elev: 50 ft Herbarium, Carnegie Museum (CM), Pittsburgh, PA. 15 Comment
  HSC91930  Achillea millefolium E. Mackey 1987-5-2 Humboldt Patrick's Point State Park; Palmer's Point Comment
  UCD128286  Achillea millefolium Linda M. Barker 1976-6-1 1541 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC28581  Achillea millefolium David D. Keck 1949-7-12 6326 Humboldt 4 miles south of Scotia (halfway between Scotia and Pepperwood). Comment
  HSC59675  Achillea millefolium George Kirn 1977-10-12 Humboldt South shore Little River, 1/2 mile from mouth 8 Comment
  RSA167311  Achillea millefolium Joseph P. Tracy 1950-5-30 18712 Humboldt Trinity River Valley, at Willow Creek Comment
  RSA416222  Achillea millefolium J. P. Smith, Thomas W. Nelson 1977-6-30 9221 Humboldt Samoa Peninsula just east of the drag strip. Comment
  HSC3337  Achlys triphylla J. F. Knezevich 1968-5-21 445 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit 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
  JEPS52978  Achlys triphylla subsp. triphylla W. L. Jepson 1932-7-29 16446 Humboldt Van Duzen R., Grizzly Flat Comment
  UCD94991  Achlys triphylla subsp. triphylla D. C. Hagar 1957-6-10 75 Humboldt Mill Creek, 7.5 miles north-northeast of Hoopa. 1402 Comment
  UC1152042  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19598 Humboldt n side of Board Camp Mountain at extreme head of Redwood Creek Board Camp Mountain, Redwood Creek Comment
  UC526748  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  RSA167290  Achnatherum lemmonii var. lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt Halfway between Snow Camp & Twin Lakes (at Preston's old gate near road) Comment
  SEINET201042  Achnatherum occidentale subsp. californicum J. P. Tracy 1932-7-12 10446 Humboldt Trinity Summit; Corral Prairie 1524 Comment
  HSC56084  Actaea rubra G. L. Clifton, Griswold 1979-7-31 11772 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC1196186  Actaea rubra Joseph P. Tracy 1901-7-31 1230 Humboldt near Hydesville; Northern Coast Region 60 Comment
  CAS-BOT-BC391594  Actaea spicata var. arguta Carl B. Wolf 1937-8-11 9148 Humboldt North Coast Range, Van Duzen River, 2 7/10 mi. W. of Dinsmores 457 Comment
  HSC76345  Adenocaulon bicolor Denis Kearns 1981-7-23 383 Humboldt Near Whiteys Peak 732 Comment
  SEINET10473553  Adenocaulon bicolor Mary Merello 1993-6-19 Merello 660 Humboldt Along the Weott-Honeydew Road just outside of the Rockerfeller Forest boundary. Redwood Forest. 90 Comment
  BLMAR214  Adenocaulon bicolor Jennifer Anthony-Wheeler 1996-7-9 214 Humboldt Pilot ridge., growing in shady woods 1310 Comment
  HSC44330  Adiantum aleuticum Brad Klipfel 1975-6-17 679 Humboldt Horse Mtn. Comment
  HSC955  Adiantum aleuticum J. Wendell Howe 1930-9-9 Humboldt 3 mi. SW of Fieldbrook Comment
  HSC56442  Agastache urticifolia Griswold, Butler 1979-7-12 7184 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC58330  Agastache urticifolia Overton, Butler 1979-8-2 12630 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC154005  Agastache urticifolia Joseph P. Tracy 1908-6 2802 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC194431  Ageratina occidentalis P. E. Goddard Jun 1 1906-Jul 1 1906 638 Humboldt North Fork Eel River Comment
  SD62068  Agoseris apargioides var. maritima Darley F. Howe 1965-8-7 4121 Humboldt Orick. Comment
  UC166820  Agoseris apargioides var. maritima J. P. Tracy 1901-8-7 1259 Humboldt sand hills at Samoa, opposite Eureka Ocean Beach, Eureka Comment
  HSC32125  Agoseris grandiflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5586 Humboldt Mount Lassic and 2 smaller peaks to immediate east 1768 Comment
  UC1222885  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1942-7-18 17276 Humboldt at n end of town Garberville Comment
  UC1222944  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1945-7-15 17513 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  UC164824  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1911-7-4 3258 Humboldt at w side of, on hill slopes, near Willow Creek Trinity River; Northern Coast Ranges, Willow Creek 243 Comment
  UC249885  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1923-7-4 6522 Humboldt s South Yager Creek 762 Comment
  UC1222931  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1950-7-31 19233 Humboldt near Clear Lake; Grouse Mountain 1524 Comment
  HSC71062  Agoseris heterophylla Thomas W. Nelson, Jane P. Nelson 1977-5-30 3396 Humboldt McKeown Ranch; along road to Anderson's Ford 854 Comment
  HSC74276  Agoseris heterophylla M. A. Baker 1980-5-23 1390 Humboldt Near Buck Mtn. 1524 Comment
  HSC99060  Agoseris heterophylla Cara Witte 2007-5-23 89 Humboldt Approximately 2 miles from intersection with 4N70 (Grouse Mountain Lookout Road) on 4N32. 1395 Comment
  UC1145066  Agrostis densiflora Joseph P. Tracy 1938-8-28 16136 Humboldt clay bluff facing ocean Stone Lagoon 6 Comment
  CAS-BOT-BC127287  Agrostis exarata Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River at Orleans. Comment
  CAS-BOT-BC127300  Agrostis exarata Joseph P. Tracy 1927-7-17 8271 Humboldt Three Cabins. Western foothills of Chaparral Mountain. 457 Comment
  UC1103389  Agrostis exarata Joseph P. Tracy 1950-7-16 19048 Humboldt open grassy flats Trinidad 3 Comment
  UC526893  Agrostis exarata Joseph P. Tracy 1927-7-17 8285 Humboldt grassy slopes on lower foothills of Chaparral Mountain Northern Coast Ranges (vernal pond) 457 Comment
  UCD52368  Agrostis exarata A. H. Murphy 1948-10-19 s.n. Humboldt Fred Fearriams Ranch, near Alderpoint. Comment
  CAS-BOT-BC139697  Agrostis gigantea Joseph P. Tracy 1932-8-21 10363 Humboldt North Coast Ranges. Three Cabins. On lower western foothills on Chaparral Mountain. 457 Comment
  CAS-BOT-BC139503  Agrostis hallii A. G. Vestal 1937-6-14 s.n. Humboldt Along Redwood Highway 14 miles south of Garberville. Comment
  RSA15570  Agrostis stolonifera C. B. Wolf 1927-8-28 1189 Humboldt Eureka Bay on road to Arcata Comment
  UCD53517  Agrostis stolonifera P. B. Kennedy 1928-7-16 307 Humboldt Sea Cliff, nera Trinidad. Comment
  HSC38924  Aira caryophyllea Linda M. Barker 1976-5-13 1475 Humboldt 3 mi. W of Arcata Comment
  HSC74428  Aira caryophyllea Gail Newton 1980-8-10 2058 Humboldt Near Blake Mountain 1707 Comment
  RSA256715  Aira caryophyllea L. Hall 1975-5-24 379 Humboldt Samoa Dunes; coastal strand. Dunes off Samoa Blvd. across from the boat landing Comment
  SEINET195007  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt Humboldt Camp 10 miles south of Dyerville Comment
  UC1541535  Aira caryophyllea Harold E. Parks June 1936 5850 Humboldt Spruce Cove Trinidad 60 Comment
  CAS-BOT-BC138326  Aira caryophyllea var. caryophyllea H. E. Parks; S. T. Parks 1936-6-1 5850 Humboldt Spruce Cove, Trinidad. Comment
  CAS-BOT-BC138332  Aira caryophyllea var. caryophyllea Doris K. Kildale 1927-6-25 3560 Humboldt Fearren's Ranch between Thorn and Shelter Cove. Comment
  RSA256299  Aira praecox J. R. Reeder, C. G. Reeder 1973-5-26 6186 Humboldt 2 miles S of Orick in Humboldt State Park, near Pacific Shore. Comment
  SJSU16017  Aira praecox John Rawlings 2016-5-19 1801 Humboldt Gold Bluffs Beach 5 Comment
  HSC34696  Alisma triviale Thomas W. Nelson 1974-9-12 1707 Humboldt KOA campground along E side of Hwy. 101, 3 mi. S of Arcata Comment
  CAS-BOT-BC460748  Allium amplectens C. C. Harris; S. K. Harris 1936-6-24 645 Humboldt At point where the road from Bridgeville to Dinsmore crosses the Little Van Duzen River. 701 Comment
  SEINET3883763  Allium amplectens D. W. McNeal, L. V. Mingrone 1967-6-12 382 Humboldt 8.0 mi. n.w. of Bridgeville on the county rd. to Kneeland, along the roadside.; 0 Comment
  RSA254786  Allium bolanderi var. bolanderi Thomas W. Nelson, James Nelson 1973-5-28 936 Humboldt McKeown Ranch north of Dinsmore. Comment
  HSC57406  Allium falcifolium G. L. Clifton, Griswold 1979-7-26 10158 Humboldt Near Salmon Mtn. 2058 Comment
  RSA183583  Allium falcifolium D. E. Anderson 1965-6-1 3762 Humboldt Horse Mountain. 1433 Comment
  CAS-BOT-BC135843  Allium hoffmanii Thomas W. Nelson; James L. Nelson 1980-6-10 5440 Humboldt Along branch road off Swayback Ridge Road ca. 1/2 mile east of junction - Six Rivers National Forest 1371 Comment
  SEINET5586421  Allium triquetrum Richard R. Halse 2013-1 8768 Humboldt Along U.S. Hwy 101 ca. 1.0 miles west of Orick 4 Comment
  CAS-BOT-BC475482  Allium triquetrum E. C. Whitney 1965-4-19 s.n. Humboldt Lamphire Rd. and nearby field, Arcata Bottoms Comment
  CAS-BOT-BC476627  Allium unifolium Carl B. Wolf 1937-8-11 8900 Humboldt Fleener Creek, 1/2 mi. so. of Centerville. 45 Comment
  UC176179  Allium unifolium Joseph P. Tracy 1913-6-10 4078 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  UCD138614  Allium unifolium K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 457 Comment
  HSC99641  Allium validum T. Jimerson, J. Pageau 1979-8-10 736 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  UC666889  Allium validum Joseph P. Tracy 1932-7-13 10515 Humboldt Corral Prairie Trinity Summit, Corral Prairie 1584 Comment
  HSC48726  Allotropa virgata M. A. Baker 1979-6-6 774 Humboldt Middle of W half of section 2. 610 Comment
  UC527556  Alnus incana subsp. tenuifolia C. B. Wolf 1931-8-28 2365 Humboldt Redwood Hwy 4 1/2 mi n Fortuna (on road to Eureka) 15 Comment
  UC503085  Alnus rhombifolia Joseph P. Tracy 1931-10-11 9717 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC169544  Alnus rubra Joseph P. Tracy 1930-7-27 9113 Humboldt Mattole River, near Petrolia 15 Comment
  RSA28320  Alnus rubra E. K. Balls, P. C. Everett 1953-10-12 18635 Humboldt 5.6 mi. n. of Little River, Hwy 101 between Arcata and Crescent City. 61 Comment
  UC630536  Alnus rubra H. E. and S. T. Parks 1938-4-1 24126 Humboldt Spruce Cove Trinidad 60 Comment
  SEINET12030339  Alnus rubra F. H. Utech 1986-1 86 -415 Humboldt between Capetown & Ferndale on Mattole Creek, SW slope of Bear River Ridge 100 Comment
  SEINET201030  Alopecurus aequalis J. P. Tracy 1923-6-27 6381 Humboldt Trinity River Valley near the S Fork shores of Lack Pond 183 Comment
  UC526743  Alopecurus aequalis Joseph P. Tracy 1927-7-17 8269 Humboldt w. foothills of Chaparral Mt. (Three Cabins); Northern Coast Ranges, w. foothills of Chaparral Mt., Three 457 Comment
  UC207704  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt Salmon Creek Northern Coast Ranges, Salmon Creek 15 Comment
  UCD55973  Alopecurus saccatus Joseph P. Tracy 1942-6-2 17096 Humboldt Alton. 30 Comment
  UC1118432  Ambrosia chamissonis G. T. Nordstrom 1937-7-1 1445 Humboldt 1.6 mi w Orick; Orick Quad. 0 Comment
  UC582627  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  BLMAR688  Amelanchier alnifolia var. semiintegrifolia Jennifer Wheeler 2012-6-19 688 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  CAS-BOT-BC142883  Amelanchier alnifolia var. semiintegrifolia Doris K. Kildale 1926-9-5 2629 Humboldt Lasseck's Peaks between Corral Camp & Red Peak 1676 Comment
  HSC39521  Amelanchier alnifolia var. semiintegrifolia Thomas W. Nelson, James Nelson 1976-6-10 2664 Humboldt Ridge W of Senteney Rock 1555 Comment
  CAS-BOT-BC137867  Ammophila arenaria Dziekanowski; Dunn; Bennett 1976-8-6 2504 Humboldt In the vicinity of a state park on the beach opposite McKenleyville. 3 Comment
  HSC46959  Ammophila arenaria J. P. Smith, Thomas W. Nelson 1977-6-30 9201 Humboldt Samoa Peninsula just E of the drag strip 6 Comment
  HSC8841  Ammophila arenaria J. W. Bosworth 1965-5-20 54 Humboldt .25 mi. S of Samoa on the Samoa Rd. Comment
  UC545822  Amsinckia menziesii var. menziesii H. E. Parks March, 1933 4282 Humboldt Trinidad Comment
  CAS-BOT-BC45137  Anaphalis margaritacea Doris K. Kildale 1926-8-8 2476 Humboldt Dyerville Bridge 45 Comment
  HSC98655  Anaphalis margaritacea Cara Witte 2007-7-26 596 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1438 Comment
  UCR48597  Anaphalis margaritacea R. D. Goeden, Don W. Ricker 1987-9-2 7 A Humboldt Loleta, along Cannibal Road 8 Comment
  OBI17091  Anaphalis margaritacea Carl B. Wolf 1937-8-13 9213 Humboldt N Coast Range, 9 mi NE of Blue Lake on Lord Ellis Rd Comment
  RSA318601  Anaphalis margaritacea Patricia Wilder 1968-8-21 4372 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  SEINET10904828  Anaphalis margaritacea Mary Susan Taylor 1977-8-2 Taylor 1427 Humboldt In mountains above and east of Eureka. Comment
  HSC18008  Anemone deltoidea W. K. Parks Jul 1933 1170 Humboldt S Fork Mtn. Comment
  HSC56303  Anemone deltoidea Overton, Butler 1979-8-2 12610 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  JEPS79808  Anemone deltoidea Joseph P. Tracy Jul 16 1930-Jul 19 1930 8964 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  POM118715  Anemone deltoidea Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  UC502926  Anemone deltoidea Joseph P. Tracy 1932-7-13 10489 Humboldt near Corral Prairie (Trinity Summit); Klamath Mtns, Trinity Summit 1524 Comment
  UC1197383  Angelica genuflexa Joseph P. Tracy 1937-7-17 15442 Humboldt 2 mi s of Fields Landing (near Still Ranch); Northern Coast Region 6 Comment
  HSC32840  Anisocarpus madioides Thomas W. Nelson, James Nelson 1973-5-28 946 Humboldt McKeown Ranch N of Dinsmore Comment
  HSC67890  Anisocarpus madioides J. P. Smith 1973-5-26 6853 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC169302  Anisocarpus madioides Joseph P. Tracy 1909-7-31 3033 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC271494  Anisocarpus madioides Mark Bransom; Daniel Brown; Ron Hildebrandt; Nina Meiselman 1986-4-19 23 Humboldt 1 1/2 mi. west of Burnt Ranch on R. 299, Burnt Ranch Campground Comment
  HSC38792  Anthemis cotula J. D. Ackerman 1975-8-31 655 Humboldt Lanphere Rd. near Mad River Slough, Arcata Bottoms 2 Comment
  HSC4670  Anthemis cotula Lincoln Constance 1934-5-27 694 Humboldt S Fork of Eel River, S end of Dyerville Bridge 46 Comment
  HSC67474  Anthemis cotula J. P. Smith, Steve Selva 1970-6-14 3818 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC5263  Anthoxanthum occidentale John Warner Hosking 1966-8-5 Humboldt Fickle Hill Rd, 1 mi. E of Arcata. Comment
  HSC90402  Anthoxanthum occidentale Michele Lewis, Lisa Sims, Roger Cook 1992-5-12 49 Humboldt Behind the Redwood Science Lab, down gated fire access road 50 m, 10 m to right of trail. Comment
  SEINET11682981  Anthoxanthum occidentale K. S. Erdman 1970-1 4797 Humboldt Cal-Barrow Road 3 mi E of US 101 at E boundary of Prairie Creek State Park (Redwood N.P.) Comment
  HSC102648  Anthoxanthum odoratum J. P. Smith 2009-5-31 12609 Humboldt Bald Hills Road. 791 Comment
  HSC8945  Anthoxanthum odoratum E. W. Styskel 1964-4-28 73 Humboldt End of Davis Sreet, at edge of Eel River in Rio Dell Comment
  UC1173653  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1939-8-5 16384 Humboldt Dinsmore's 731 Comment
  UC1198739  Aphanes occidentalis J. P. Tracy 1905-4-16 2165 Humboldt Immediate vicinity of Eureka (at Bucksport); , Bucksport Comment
  UCD143195  Aphanes occidentalis Linda M. Barker 1976-4-30 1413 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UC303163  Aphanes occidentalis Joseph P. Tracy 1925-5-30 7018 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC41328  Apocynum androsaemifolium Brad Klipfel 1974-8-2 510 Humboldt Horse Mtn. Comment
  UC1197617  Apocynum androsaemifolium Joseph P. Tracy 1911-7-12 3518 Humboldt along rd. between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC102054  Aquilegia formosa M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 959 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  SDSU9935  Aquilegia formosa D. F. Howe 1962-5-21 3299 Humboldt 16.4 miles north of Garberville on #101. 61 Comment
  HSC70390  Arabis breweri var. breweri Gail Newton 1980-6-7 140 Humboldt Near Brush Mtn. 1128 Comment
  HSC58192  Arabis glabra G. L. Clifton, Griswold 1979-8-2 12289 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  HSC79063  Arabis subpinnatifida D. K. Imper 1983-7-28 Humboldt Six Rivers National Forest, Orleans, off FS 12N20 near Bald Mtn. Comment
  OBI33241  Aralia californica David J. Keil 1983-7-1 17260 Humboldt Along Bull Crk Flats Rd 1.4 mi W of US 101. Humboldt Redwoods State Park Comment
  UC314608  Aralia californica Joseph P. Tracy 1923-9-16 6554 Humboldt Trinity R. Valley near mouth of S. Fork; Northern Coast Ranges 182 Comment
  CAS-BOT-BC128693  Arbutus menziesii Carl D. Duncan 1920-9-22 313 Humboldt Common in the vicinity of Hoopa Comment
  HSC60008  Arbutus menziesii M. A. Baker 1977-5-8 259 Humboldt Gray's Falls Comment
  HSC95925  Arbutus menziesii Will Ferrand 2002-4-27 38 Humboldt 1 mi. E of the intersection of Hwy. 299 and Willow Creek Rd. 198 Comment
  UC672853  Arceuthobium campylopodum Joseph P. Tracy Jul 16 1930-Jul 19 1930 8950 Humboldt along summit near Blake lookout Northern Coast Ranges, South Fork Mtn Comment
  UC1119281  Arctium minus H. L. Person 1932-9-3 Humboldt Camp 9, Freshwater Euerka Quad. Comment
  CAS-BOT-BC23728  Arctostaphylos columbiana Joseph P. Tracy 1934-3-11 13151 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC23747  Arctostaphylos columbiana P. C. Everett; E. K. Balls 1959-10-25 23965 Humboldt 8.8 mi. NE from Blue Lake, U.S. hwy. 299, Arcata to Willow Creek. 274 Comment
  CAS-BOT-BC23781  Arctostaphylos columbiana Joseph P. Tracy 1933-6-13 12583 Humboldt Hoopa Mountain. Near summit on road from Hoopa westward to Bair's. On ridge 1 mile S. of road. 1219 Comment
  JEPS19867  Arctostaphylos columbiana Joseph P. Tracy 1923-2-18 6142 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UC585912  Arctostaphylos columbiana Joseph P. Tracy 1932-2-28 9772 Humboldt Table Bluff Northern Coast Region, around Humboldt Bay 60 Comment
  CAS-BOT-BC24825  Arctostaphylos glandulosa subsp. glandulosa Joseph P. Tracy 1940-7-14 16689 Humboldt Wilder Ridge (near Kings Peak). 762 Comment
  HSC101669  Arctostaphylos glandulosa subsp. glandulosa J. P. Smith, J. O. Sawyer 2011-4-23 13130 Humboldt Kings Peak Road, 3.2 miles from its junction with Shelter Cove Rd Comment
  UC1193023  Arctostaphylos glandulosa subsp. glandulosa R. E. Nelson 1950-7-26 146 Humboldt 1/2 mi nw Neafus Peak; Quad. 29D1 762 Comment
  RSA632802  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27765 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  UCSB11765  Arctostaphylos manzanita Nelson, R. 1950-7-26 Humboldt 0.5 mile northwest of Neafus Peak 762 Comment
  CAS-BOT-BC38832  Arctostaphylos manzanita subsp. manzanita Doris K. Kildale 1927-5-7 3110 Humboldt Elk Ridge, near Eel Rock Comment
  RSA0049660  Arctostaphylos manzanita subsp. manzanita Dean Wm. Taylor 2011-5-4 21118 Humboldt Larabee Valley, along Highway 36 about 1 mile east of the eastern end of the valley at the bridge for the Little Van Duzen River 701 Comment
  UC1193146  Arctostaphylos manzanita subsp. manzanita R. H. Neuns 1950-7-13 131 Humboldt 3 mi s Alder Point; Quad 29D2 563 Comment
  UC1225895  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1942-7-18 17285 Humboldt Garberville 152 Comment
  HSC7657  Arctostaphylos nevadensis J. Pursell 1964-10-17 101714 Humboldt Road to Box Camp in Hoopa Valley 1372 Comment
  UC1602024  Arctostaphylos nevadensis J. W. Congdon 1904-7-23 Humboldt <illegible> Eureka Comment
  SBBG83937  Arctostaphylos nevadensis subsp. knightii R. Gankin, W. R. Hildreth 1967-10-26 1180 Humboldt 23.2 rd mi E of US Hwy 101 on Bald Hills Rd (from Orick) Comment
  UCD52855  Arctostaphylos nevadensis subsp. knightii Roman Gankin; W. R. Hildreth 1967-10-26 1176 Humboldt 21.4 miles east of U.S. 101 on Bald Hills Road from Orick; French Camp Ridge. Comment
  HSC99104  Arctostaphylos nevadensis subsp. nevadensis C. Witte 2007-5-17 29 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N18. Near utility towers. 1483 Comment
  CAS-BOT-BC43981  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17502 Humboldt Eureka 45 Comment
  HSC28130  Arctostaphylos uva-ursi J. D. Ackerman, A. M. Montalvo 1973-3-27 42 Humboldt 1.5 mi. N of Manila Comment
  HSC7725  Arctostaphylos uva-ursi S. J. Hawks 1965-3-19 10 Humboldt 1/4 mi. W of Fairhaven Comment
  RSA70889  Arctostaphylos uva-ursi R. S. Woglum 1938-8-29 12639 Humboldt North Coast: Samoa; Samoa Peninsula separating Humboldt Bay from the Pacific Ocean. . Comment
  UC1225934  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17500 Humboldt Eureka 45 Comment
  UCD52047  Arctostaphylos uva-ursi Roman Gankin; W. R. Hildreth 1967-10-24 1147 Humboldt 1.7 miles s. of Samoa, on the Humboldt Peninsula. Humboldt County, California. Comment
  RSA89766  Arctostaphylos uva-ursi var. coactilis P. A. Munz 1954-7-25 19876 Humboldt On sand dunes at Humboldt Lighthouse south of Samoa. Comment
  CHSC79650  Arctotheca calendula Gordon Leppig 2000-4-9 1288 Humboldt Arcata. Union St. at 7th St. South of Phillips House. UTM zone 10, 4525N, 409E. 24 Comment
  CAS-BOT-BC64584  Armeria maritima subsp. californica Ira L. Wiggins 1930-7-11 4683 Humboldt Near Samoa. Comment
  RSA245204  Armeria maritima subsp. californica Jerry Parker 1968-10-14 29 .1 Humboldt Mckinleyville Beach. Comment
  SEINET7253518 Image available Armeria maritima subsp. californica Joseph P. Tracy 1927-1 8115 Humboldt Trinidad 3 Comment
  UC1199247  Arnica cernua Joseph P. Tracy 1926-6-6 7561 Humboldt road w Hoopa Valley; Northern Coast Ranges, Hoopa Valley 914 Comment
  HSC64262  Arnica cordifolia J. O. Sawyer, M. A. Erickson 1979-6-23 3397 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  HSC63286  Arnica discoidea M. A. Baker 1979-6-29 955 Humboldt Hopkin's Creek. 760 Comment
  UC1223002  Arnica discoidea Joseph P. Tracy 1947-7-9 17833 Humboldt just above, along lower slopes of Horse Mountain Arford Cabin Ski Lodge; Horse Mountain 1219 Comment
  SEINET10475267  Arnica discoidea var. alata Mary Susan Taylor 1980-6-11 Taylor 2842 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  SEINET3098730 Image available Arnica latifolia Joseph P. Tracy 1932-7-20 10736 Humboldt Trinity Summit. Fir woods near Corral Prairie Comment
  HSC67041  Artemisia douglasiana J. P. Smith 1971-10-9 5032 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC98764  Artemisia douglasiana Cara Witte 2008-9-13 1036 Humboldt Forest Service Road 4N06. 1/4 mile east of intersection with National Forest 1. Cow Creek Ridge. 1283 Comment
  HSC12593  Artemisia douglasiana C. Kline 1970-11-15 72 Humboldt Clam Beach Lagoon Comment
  HSC98817  Artemisia douglasiana Cara Witte 2007-9-3 642 Humboldt Forest Service Road 5N09. 1 mile east of intersection with National Forest 1. 1332 Comment
  HSC4747  Artemisia pycnocephala H. E. Parks, S. T. Parks Jun 1952 24495 Humboldt Samoa Comment
  CDA10172  Artemisia pycnocephala T. C. Fuller 1961-9-28 7056 Humboldt 1.5 miles south of Samoa. 0 Comment
  RSA296735  Artemisia pycnocephala J. P. Smith, Thomas W. Nelson 1977-6-30 9216 Humboldt Samoa Peninsula just east of the drag strip. Comment
  CAS-BOT-BC97242  Artemisia suksdorfii Carl B. Wolf 1937-9-9 9303 Humboldt Coast, 4 1/2 mi. So. of Cape Mendocino 6 Comment
  CAS-BOT-BC97244  Artemisia suksdorfii A. A. Heller 1924-7-25 13844 Humboldt near the beach at Agate Beach near Trinidad Comment
  HSC56089  Aruncus dioicus var. acuminatus G. L. Clifton, Griswold 1979-7-31 11781 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  UC56350  Aruncus dioicus var. pubescens J. Burtt Davy 1899-6-21 5722 Humboldt Supply Creek; North Coast Ranges, Hoopa Valley Comment
  RSA20964  Aruncus sylvester Carl B. Wolf 1937-9-13 9339 Humboldt N coast range, E Fork of Willow Creek at Forest Service Camp. 457 Comment
  CAS-BOT-BC400529  Asarum caudatum Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CAS-BOT-BC400533  Asarum caudatum Volney Rattan 1882-6-1 s.n. Humboldt Mad River Comment
  HSC44110  Asarum caudatum Barbara Kelly 1977-4-23 307 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  RSA416090  Asarum caudatum Barbara Kelly 1977-4-23 307 Humboldt 2.5 miles South of Shelter Cove Road. South fork of Bear Creek at Wailaki Campground. 561 Comment
  POM228362  Asarum caudatum C. C. Harris, S. K. Harris 1936-6-14 s.n. Humboldt On Yager Road from Carlotta 457 Comment
  CDA18989  Aster brickellioides var. glabratus P. Haggard 2000-8-22 PDR 071957 Humboldt Along USFS Rd 1, southeast of Blue Lake. 0 Comment
  POM289176  Aster chilensis Lyman Benson 1928-7-10 448 Humboldt Clam Beach, Trinidad. 9 Comment
  CHSC96713  Astragalus agnicidus Gordon Leppig 2001-6-25 2107 Humboldt PALCO land. UTM Zone 10, 411418E, 4498706N. 700 Comment
  CAS-BOT-BC193135  Astragalus rattanii var. rattanii Doris K. Kildale 1926-7-11 2350 Humboldt Bear River at Capetown Comment
  CAS-BOT-BC193136  Astragalus rattanii var. rattanii L. R. Abrams 1916-7-11 6056 Humboldt At mouth of Grizzly Creek on Van Duzen River Comment
  CAS-BOT-BC193142  Astragalus rattanii var. rattanii Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC14595  Astragalus umbraticus D. E. Anderson 1963-9-29 2851 Humboldt Fish Lake. Comment
  UC160968  Astragalus umbraticus Mrs. M. H. Manning 1901-7-27 306 Humboldt near Hupa (Hoopa) (Bald Hills); near Hupa (Hoopa), Bald Hills Comment
  HSC92400  Athyrium filix-femina var. cyclosorum L. P. Janeway 1984-5-13 781 Humboldt Along Redwood House Rd. 1.5 mi. from Hwy. 36 229 Comment
  HSC4339  Atriplex prostrata Larry Berti 1968-10-26 Humboldt Big Lagoon County Park, SW corner Comment
  CAS-BOT-BC66217  Azolla filiculoides Malcom A. Nobs; S. Galen Smith 1949-8-9 1246 Humboldt Clam Beach Comment
  HSC13133  Baccharis pilularis subsp. consanguinea Steve Dorei 1970-10-9 33 Humboldt HSC campus, Arcata, near Fisheries water tank on Union St. Comment
  HSC79368  Baccharis pilularis subsp. consanguinea Kenneth Clark 1980-11-28 1052 Humboldt Above Point No Pass 488 Comment
  HSC100426  Baeria chrysostoma Carl C. Marshall Jun 1885 31 Humboldt Bear River. Comment
  CAS-BOT-BC16363  Barbarea orthoceras Doris K. Kildale 1927-7-22 3828 Humboldt Lassecks Peaks - Coral Goat Camp. 1661 Comment
  UC525613  Beckmannia syzigachne Joseph P. Tracy 1928-6-24 8472 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC48154  Bensoniella oregona Joseph P. Tracy 1923-6-24 6363 Humboldt Bald Mountain - in cold wet meadow near high prairie 1066 Comment
  CAS-BOT-BC48158  Bensoniella oregona R. Bacigalupi; L. Constance; Reid Moran; R. L. Rodriguez; Joe Tracy; Sherwin Carlquist 1951-6-14 3410 Humboldt Bald Mountain ridge - in bog, edge of forest at High Prairie, on long high ridge between Mad River and Redwood Creek 1066 Comment
  UC1222393  Bensoniella oregona Joseph P. Tracy 1951-6-14 19416 Humboldt e side Snow Camp Meadows; e side of Snow Camp Meadows Comment
  HSC31759  Berberis aquifolium Timothy B. Devine 1974-5-4 316 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC73147  Berberis aquifolium M. A. Baker 1980-5-18 1307 Humboldt Near Black Mtn. 1006 Comment
  HSC76281  Berberis aquifolium var. repens Denis Kearns 1981-7-6 45 Humboldt Near Mosquito Lake 1122 Comment
  HSC35712  Berberis pinnata Thomas W. Nelson 1975-10-12 2236 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC169912  Berberis pinnata Mrs. M. H. Manning April, 1901 33 Humboldt near Hupa Comment
  CAS-BOT-BC412987  Bistorta bistortoides Doris K. Kildale 1928-5-27 5936 Humboldt Kneeland Prairie 853 Comment
  UC492236  Boechera acutina Joseph P. Tracy 1932-7-11 10396 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC91369  Bolboschoenus robustus Leonel Arguello 1989-6-11 Humboldt Lanphere Dunes, 3 mi. W of Arcata Comment
  HSC16673  Boschniakia strobilacea W. M. Lanphere 1937-5-11 Humboldt Hoopa Comment
  HSC74350  Boschniakia strobilacea Gail Newton 1980-6-17 221 Humboldt Near Onion Mtn. 1341 Comment
  HSC49373  Boschniakia strobilacea Jimerson, J. Pageau 1979-6-15 580 Humboldt W of Forest Service Rd. 11N21 on the boundary between Sections 27 and 28 762 Comment
  RSA0078565  Boschniakia strobilacea Harley P. Chandler 1901-06 1300 Humboldt Hupa Indian Reservation. 304 Comment
  UC197910  Botrychium multifidum Joseph P. Tracy 1906-11-4 2551 Humboldt Eureka 0 Comment
  CAS-BOT-BC420271  Boykinia occidentalis Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  SDSU9503  Boykinia occidentalis Harvey 1938-8-13 2263 Humboldt Near Arcata. 85 Comment
  UC726691  Boykinia occidentalis A. A. Heller 1937-6-12 15890 Humboldt 3 mi n Trinidad (at Bishop Pine Lodge); n of Trinidad Comment
  HSC6582  Brassica rapa D. E. Anderson 1962-2-10 1922 Humboldt 1.5 mi. S of Trinidad Comment
  HSC79522  Brassica rapa Kenneth Clark 1980-3-1 515 Humboldt Lower alluvial terrace, Dead Man's Gulch 15 Comment
  RSA249403  Briza maxima J. D. Ackerman 1974-5-26 268 Humboldt ca. 1 mile south of Trinidad on Scenic Drive. Near coastal bluffs. Comment
  UC526898  Briza maxima Joseph P. Tracy 1930-6-15 8758 Humboldt Alder Point North Coast Ranges 152 Comment
  UCD57169  Briza maxima P. B. Kennedy 1929-6-13 s.n. Humboldt Etterburg. Comment
  CAS-BOT-BC145570  Briza minor Doris K. Kildale 1925-6-28 916 Humboldt Fleener Creek. Comment
  UCSB15651  Brodiaea coronaria Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC74668  Brodiaea elegans subsp. elegans Gail Newton 1981-8-7 2433 Humboldt Near Bug Creek 1042 Comment
  CAS-BOT-BC486505  Brodiaea stellaris Doris K. Kildale 1925-6-27 775 Humboldt Near mouth of Yager Creek 30 Comment
  CAS-BOT-BC486506  Brodiaea stellaris Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  BLMAR191  Brodiaea terrestris subsp. terrestris Donald Hazlett 1994-6-7 191 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC37548  Brodiaea terrestris subsp. terrestris J. D. Ackerman 1975-6-10 457 Humboldt 1 mi. N of Samoa bridge turnoff from Samoa Blvd., S of Manila Comment
  CAS-BOT-BC484614  Brodiaea terrestris subsp. terrestris D. E. Breedlove 1962-6-7 3038 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  CAS-BOT-BC149567  Bromus carinatus var. carinatus Joseph P. Tracy 1932-7-12 10449 Humboldt Klamath Mountains. Trinity Summit. At Corral Prairie. 1524 Comment
  HSC98129  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
  UC526848  Bromus carinatus var. carinatus H. E. Parks and Joseph P. Tracy 1934-7-6 11142 Humboldt Northern Coast Ranges, Iaqua Iaqua; Northern Coast Ranges, Iaqua 762 Comment
  UC552681  Bromus carinatus var. carinatus Joseph P. Tracy 1935-7-25 14233 Humboldt Trintiy Summit, at McKay Prairie Trintiy Summit; , McKay Prairie 1584 Comment
  HSC26356  Bromus carinatus var. marginatus T. O. Osborne 1970-8-28 63 Humboldt Green Rock, 1 5/8 mi. N, 3/4 mi. W of Trinidad Light. Comment
  UCD60204  Bromus catharticus var. elatus A. H. Murphy 1947-8-19 s.n. Humboldt Fairground's exper. area. Fortuna. Comment
  UC1103358  Bromus diandrus Joseph P. Tracy 1919-5-31 5158 Humboldt near Willow Creek (w side of Trinity River); Northern Coast Ranges, Trinity River 152 Comment
  HSC90694  Bromus hordeaceus Gail Newton 1982-6-5 3585 Humboldt Elk River Wildlife Area, Eureka. Comment
  RSA10108  Bromus hordeaceus Joseph P. Tracy 1933-6-25 12622 Humboldt Along Eel River, 2 to 5 miles east of South Fork.Camp Grant. Comment
  SEINET11682985  Bromus hordeaceus K. S. Erdman 1970-1 4784 Humboldt Doleson Hill Prairie, Bald Hills Rd SE of Orick Comment
  CAS-BOT-BC162448  Bromus laevipes Henry M. Pollard 1946-8-10 s.n. Humboldt Roadside south of Klamath River and east of Perch Creek, Orleans Region. Comment
  UCR45821  Bromus marginatus Kenneth Clark 1980-5-10 643 Humboldt Point Delgada Q., Shelter Cove, coastal bluffs of Point Delgada 3 Comment
  SEINET200935 Image available Bromus orcuttianus var. orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt On Friday Ridge, at Friday's Camp. 1219 Comment
  CAS-BOT-BC161604  Bromus sterilis Joseph P. Tracy 1916-5-31 4701 Humboldt Northern Coast Ranges of California. Stitz Creek. Along Eel River from South Fork to Scotia. 60 Comment
  UC204532  Bromus sterilis Joseph P. Tracy 1916-5-31 4698 Humboldt Northern Coast Ranges, along Eel River from South Fork to Scotia, Holmes Flat Holmes Flat; Northern Coast Ranges, Eel River, Holmes Flat 60 Comment
  SEINET200634 Image available Bromus tectorum Joseph P. Tracy 1931-5-3 9349 Humboldt Along Mad River near Blue Lake. 15 Comment
  UC1131268  Bromus tectorum H. S. Yates 1936-6-19 5715 Humboldt near Burr Valley 914 Comment
Read comments
Apr 6 2017
  UC1103269  Bromus vulgaris Joseph P. Tracy 1901-6-30 1211 Humboldt immediate vicinity of Eureka 0 Comment
  HSC6602  Cakile edentula C. B. Wolf 1927-8-29 1217 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC6611  Cakile maritima Paul Shields 1955-9-17 Humboldt 1/2 mi. S of mouth of Mad River Comment
  HSC39983  Cakile maritima Linda M. Barker 1976-9-3 1694 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  UC1145052  Calamagrostis foliosa Joseph P. Tracy 1938-6-17 15967 A Humboldt near Panther Gap (on road between Mattole and Bull Creek) 822 Comment
  SEINET10521063  Calamagrostis nutkaensis A. Arthur Heller 1924-7-24 Heller 13880 Humboldt Sandy soil in shaded places on the bluff at Numboldt County camp 7 miles south of Trinidad. Comment
  SEINET200617 Image available Calamagrostis rubescens Joseph P. Tracy 1938-7-17 16082 Humboldt Local. Garberville. Comment
  UC673027  Calandrinia ciliata Joseph P. Tracy 1937-5-17 15289 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC35505  Callitriche heterophylla G. W. Clason 1962-4-25 Humboldt Hwy. 101 between Arcata and Eureka. Comment
  JEPS42834  Callitriche heterophylla var. bolanderi W. L. Jepson 1936-8-17 17921 Humboldt 2.5 mi s Fields Landing Comment
  HSC3806  Callitriche trochlearis D. E. Anderson 1965-6-1 3783 Humboldt Small pond along road to Brush Mtn., 0.25 mi. from Hwy. 299 Comment
  HSC73163  Calocedrus decurrens Gail Newton 1980-6-17 207 Humboldt Near Onion Mtn. 1341 Comment
  UC1103462  Calochortus coeruleus Joseph P. Tracy 1930-7-17 9027 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  UC667131  Calochortus coeruleus Joseph P. Tracy 1932-7-12 10483 Humboldt Head of Brett Hole Trinity Summit 1828 Comment
  HSC74317  Calochortus elegans var. nanus M. A. Baker 1980-7-22 3061 Humboldt Near Salmon Mtn. 1820 Comment
  HSC15377  Calochortus tolmiei D. E. Anderson 1965-5-15 3559 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek, above Trinity River Comment
  HSC15383  Calochortus tolmiei D. E. Anderson 1963-5-25 2479 Humboldt 2-3 mi. N of Capetown Comment
  UC1197674  Calochortus tolmiei Joseph P. Tracy 1930-7-6 8839 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC494356  Calochortus tolmiei Doris K. Kildale 1926-5-2 1851 Humboldt Willow Creek Flat 152 Comment
  CAS-BOT-BC494368  Calochortus tolmiei M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles n. of Garberville Comment
  UC180217  Calochortus vestae Joseph P. Tracy Jun 21 1914-Jul 18 1914 4513 Humboldt Eureka Northern Coast Ranges Comment
  UC503034  Caltha biflora Joseph P. Tracy July 16-19, 1930 8971 Humboldt Northern Coast Ranges. At McKay Camp, South Fork Mountain. 1676 Comment
  UC1971693  Calycadenia fremontii 1978-8-21 2158 Humboldt 2.1 mi W of Hwy 299 on Friday Ridge Road, ca. 3.5 mi WSW of Salyer, common at Burnt Woods, yellow form at Big Bar (W along cliffs), (=GDC 785) 458 Comment
  UC205227  Calycadenia fremontii Joseph P. Tracy 1919-9-13 5188 Humboldt near Mouth of Willow Creek; Valley of Trinity River, Northern Coast Ranges 152 Comment
  HSC100365  Calycadenia truncata J. McRae 2007-9-13 Humboldt Sims Mtn., Panther dozer line. 732 Comment
  UC1196474  Calypso bulbosa Joseph P. Tracy 1927-5-15 8062 Humboldt on road to Bair's from Hoopa (at head of Pine Creek, near summit of Hoopa Mountain); Hoopa Mountain, Pine Creek 1066 Comment
  HSC99011  Calyptridium monospermum Cara Witte 2008-7-1 789 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately .5 mile south of intersection with 5N04 and 4N32E. 1406 Comment
  UCD126163  Calystegia soldanella Roman Gankin 1965-8-6 559 Humboldt 1.3 miles south of Samoa, Samoa Peninsula. Comment
  CHSC20349  Calystegia soldanella D. E. Anderson; N. Dennis 1965-6-8 1036 Humboldt Samoa Peninsula along the west side of Humboldt Bay. Sections 3, 4, 9, 10, 15, 16, 17, 20, 21, 28, 29, 31, 32. Comment
  RSA244983  Calystegia soldanella R. E. Jones 1966-4-13 43 Humboldt Cape Mendocino 6 miles south of Cape. Comment
  CAS-BOT-BC160244  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Philip A. Munz 1925-6-20 9891 Humboldt Clam Beach, 14 miles North of Eureka Comment
  SD38658  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-27 4153 Humboldt Comment
  SEINET10462990  Campanula prenanthoides Tracy 1934-8-24 TRACY 13591 Humboldt Trinity Highway, on ridge east of North Fork of Mad River 610 Comment
  SEINET10463306  Campanula prenanthoides Pollard 1948-7-23 POLLARD s.n. Humboldt REECE POINT NEAR ORLEANS Comment
  SEINET10873255  Campanula prenanthoides Sutherland 1976-8-13 SUTHERLAND 27 .13.8.76 Humboldt Bank at mouth of Redwood Creek at South Fork Eel River; Garberville quad. T4S R3E Sec. 10 87 Comment
  SEINET10905897  Campanula prenanthoides Rattan 1878-1 RATTAN s.n. Humboldt Humboldt County Comment
  HSC35938  Campanula scouleri Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2031 Humboldt French Camp, Bald Hills. Comment
  UC1199216  Capsella bursa-pastoris Joseph P. Tracy 1940-10-15 16757 Humboldt Trinity River Valley, at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1222657  Capsella bursa-pastoris Joseph P. Tracy 1950-7-6 19005 Humboldt 2 mi s of Burr Valley (on the Albee Road); Albee Road 1158 Comment
  UC302120  Cardamine angulata Joseph P. Tracy 1926-6-12 7588 Humboldt Prairie Creek Northern Coast Ranges, Prairie Creek 152 Comment
  HSC26654  Cardamine breweri Thomas W. Nelson 1971-4-27 427 Humboldt Along Jolly Giant Creek, HSU campus Comment
  UC162969  Cardamine breweri J. P. Tracy 1905-4-23 2169 Humboldt immediate vicinity Eureka; vicinity Eureka 0 Comment
  HSC49217  Cardamine californica J. O. Sawyer 1977-4-23 2842 Humboldt Dagsaw Spring on road to Onion Mtn. 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
  POM214829  Cardamine californica var. integrifolia Victor Duran 1933-5-11 3405 Humboldt Van Duzen River, near Bridgeville. Comment
  UC302042  Cardamine californica var. integrifolia Joseph P. Tracy 1926-3-28 7393 Humboldt Blue Slide on Van Duzen River; Northern Coast Ranges, Blue Slide on Van Duzen River 91 Comment
  HSC78610  Cardamine oligosperma L. P. Janeway 1984-3-17 716 Humboldt N Spit of Humboldt Bay, W of Samoa Rd. near the boat launch ramp 5 Comment
  UC1199204  Cardamine oligosperma Joseph P. Tracy 1919-3-31 5166 Humboldt along Willow Creek ((Tributary of Trinity River, Humboldt Co) near its mouth); Northern Coast Ranges, along Willow Creek 152 Comment
  CAS-BOT-BC384764  Cardionema ramosissimum Alice Eastwood 1923-8-14 12315 Humboldt Samoa Comment
  CHSC55892  Cardionema ramosissimum L. P. Janeway 1987-7-31 2546 Humboldt Vicinity of Eureka; North Spit of Humboldt Bay near the SE corner of Eureka City Airport. 3 Comment
  POM296860  Carex Lyman Benson 1929-7-16 1843 Humboldt Weott Ranger Station. Comment
  HSC97167  Carex abrupta Yun Chan, Renee Meyer, Sophary Yun 2007-6-13 12 Humboldt 1 mi. east of Hwy. 299 on Forest Service Road NF1; Grouse Mountain Meadow 1585 Comment
  UC585637  Carex abrupta Joseph P. Tracy 1937-7-29 15580 Humboldt in meadow at McKay Camp South Fork Mountain 1676 Comment
  UC1115811  Carex aquatilis var. dives Joseph P. Tracy 1938-7-6 16024 Humboldt Big Lagoon 6 Comment
  RSA22378  Carex arcta Joseph P. Tracy 1937-8-12 15645 Humboldt Snow Camp Comment
  SEINET2044695 Image available Carex arcta Juha Pykala, D. H. Norris 1987-6-5 1436 Humboldt E of Maple Creek, Lake Prairie. 1052 Comment
  UC1103574  Carex arcta J. P. Tracy 1903-8-9 1931 Humboldt immediate vicinity of Eureka 0 Comment
  RSA91675  Carex athrostachya Joseph P. Tracy 1935-7-27 14306 Humboldt Trinity Summit, open places at McKay Prairie. 1585 Comment
  CAS-BOT-BC19218  Carex barbarae Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC19214  Carex barbarae Joseph Prince Tracy 1934-8-14 13587 Humboldt North Coast Ranges. South Fork of Eel River, between Miranda and Redway. 91 Comment
  SEINET10646885  Carex buxbaumii Robert F. Thorne 1965-9-8 Thorne 35293 Humboldt Big Lagoon. 3 Comment
  CAS-BOT-BC34211  Carex canescens Joseph Prince Tracy 1939-7-9 16318 Humboldt Blad Mountain; at Lake Prairie. 1066 Comment
  UC562723  Carex concinnoides Joseph P. Tracy 1927-4-23 7911 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 60 Comment
  POM161061  Carex concinnoides Joseph P. Tracy 1926-6-6 7567 Humboldt Hoopa Mountain. On road west from Hoopa Valley. 915 Comment
  JEPS80029  Carex densa Joseph P. Tracy 1925-5-30 7048 Humboldt McClellan Mountain Northern Coast Ranges, McClellan Mountain 822 Comment
  UC562257  Carex densa Joseph P. Tracy 1936-6-3 14847 Humboldt Trinity River Valley at Willow Creek 152 Comment
  UC1103104  Carex deweyana subsp. leptopoda Joseph P. Tracy 1920-5-18 5325 Humboldt 5 mi above Dyerville (South Fork); Eel River 152 Comment
  CHSC97053  Carex echinata subsp. phyllomanica Gordon Leppig 1998-6-8 798 Humboldt Big Lagoon County Park. Big Lagoon Bog. Common in northern section. NAD27 UTM Zone 10, 405321E 4557202N. 3 Comment
  CDA33060  Carex echinata subsp. phyllomanica Gordon Leppig 1997-6-19 445 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  POM224512  Carex exsiccata H. C. Cantelow 1936-5-18 s.n. Humboldt 8 miles NE of Orick. Comment
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Jan 20 2011
  HSC43477  Carex fracta Thomas W. Nelson, Jane P. Nelson 1977-7-4 3612 Humboldt Along road N from Alder Springs 1524 Comment
  CAS-BOT-BC20875  Carex globosa Joseph Prince Tracy 1932-4-23 9832 Humboldt North Coast Ranges. Englewood. 91 Comment
  SEINET7561247 Image available Carex harfordii David Castaner 1989-6-19 10253 Humboldt Gold Bluff Beach at entrance. Comment
  CAS-BOT-BC21755  Carex hassei Joseph Prince Tracy 1927-4-23 7917 Humboldt Big Lagoon. 6 Comment
  HSC103083  Carex hassei Sydney Carothers 2014-6-22 25 Humboldt Six Rivers National Forest, Lassics Botanical Area. Below trail to Mount Lassic. 1707 Comment
  JEPS79845  Carex hendersonii Joseph P. Tracy 1911-6-4 3230 Humboldt Northern Coast Region, along Little River, 5 mi from the Coast Little River; Northern Coast Region, Little River 121 Comment
  POM292662  Carex hendersonii Victor Duran 1933-5-12 3412 Humboldt Bull Creek, at South Fork of the Eel River Comment
  SEINET10650834  Carex hendersonii Joseph W. Congdon 1904-7-24 Congdon s.n. Humboldt Mariposa. Arcata. Comment
  UC562728  Carex hendersonii Joseph P. Tracy 1927-5-30 8080 Humboldt near Myers; North Coast Ranges, South Fork of Eel River 91 Comment
  CHSC90268  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8542 Humboldt North Coast Ranges. Along Forest Road 13N01 18 miles from junction with State Route 96. 1066 Comment
  CHSC90288  Carex hoodii Thomas W. Nelson; Jane P. Nelson 1987-6-11 8579 B Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  CAS-BOT-BC35567  Carex jonesii Joseph Prince Tracy 1932-7-15 10573 Humboldt Trinity Summit, at Corral Prairie 1584 Comment
  CAS-BOT-BC28505  Carex lenticularis var. limnophila Carl B. Wolf 1927-8-22 788 Humboldt Big Lagoon Comment
  CAS-BOT-BC31465  Carex leptopoda Joseph Prince Tracy 1936-6-9 14902 Humboldt Mattole Valley, 4 mi SE of Petrolia. 60 Comment
  HSC48375  Carex leptopoda D. H. Norris May 1970 12457 Humboldt Top of ridge above Freshwater Lagoon Comment
  HSC85707  Carex mendocinensis L. P. Janeway 1982-6-20 14 Humboldt S of Horse Mtn., along Rd. 6N36, 100 m N of Titlow Hill Rd. 1384 Comment
  RSA0014502  Carex mendocinensis Joseph P. Tracy 1924-6-15 6697 Humboldt Near Ruby Creek, on the Willow Creek Highway. 610 Comment
  CAS-BOT-BC32130  Carex multicaulis Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  UC562261  Carex multicaulis Joseph P. Tracy 1935-6-23 13996 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  HSC102227  Carex multicostata M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1148 Humboldt Along trail (abandoned Road 6E74) from Andy's Camp to Patterson Meadows 1563 Comment
  UC303147  Carex multicostata Joseph P. Tracy 1925-5-24 7009 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC44074  Carex multicostata Thomas W. Nelson, Jane P. Nelson 1977-7-1 3581 Humboldt Along road, N from Alder Springs 1463 Comment
  HSC103353  Carex nervina Thomas W. Nelson, Jane Nelson 1987-6-11 8604 Humboldt Box Spring at Box Camp; along trail to North Trinity Mountain. 1524 Comment
  UC562448  Carex nudata Joseph P. Tracy 1935-7-21 14120 Humboldt along river at Willow Creek Trinity River Valley 152 Comment
  UC1103606  Carex obnupta J. P. Tracy 1899-5-24 319 Humboldt immediate vicinity Eureka 0 Comment
  UC249734  Carex obnupta Joseph P. Tracy 1923-9-2 6541 Humboldt McClellan Mt. Northern Coast Ranges 914 Comment
  HSC69875  Carex ovalis Thomas W. Nelson 1978-5-28 4100 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  CAS-BOT-BC119228  Carex pachystachya Joseph Prince Tracy 1935-5-25 13885 Humboldt Dobbyn Creek 152 Comment
  HSC82386  Carex pachystachya Thomas W. Nelson 1979-7-11 5012 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  UC1103088  Carex pachystachya Joseph P. Tracy 1926-5-15 7487 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC37967  Carex pansa P. Sorensen 1976-6-16 Humboldt Humboldt Bay, Woodley Island Comment
  HSC7189  Carex pansa D. R. Junell 1965-5-2 39 Humboldt 1 mi. S of Fairhaven on Samoa peninsula Comment
  RSA246858  Carex pansa Robert F. Thorne, Percy C. Everett 1965-8-5 35165 Humboldt Samoa Dunes. 3 Comment
  HSC32420  Carex pansa Rudolf W. Becking 1974-6-15 Humboldt Between Samoa and Fairhaven, W of connecting road 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
  HSC58704  Carex rostrata Terry Griswold, Butler 1979-7-11 7097 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  CHSC115860  Carex subbracteata Peter F. Zika 2011-7-3 25493 Humboldt Titlow Hill Road, 3 road miles SE of Route 299 at Berry Summit, 1 air km SW of Horse Mountain, Outer North Coast Ranges. 1190 Comment
  SEINET7486520 Image available Carex subbracteata Peter F. Zika 2009-6-16 24497 Humboldt bove Chezen Road, at junction with Route 299, Outer North Coast Range (NCoRO), between Lord-Ellis and Berry summits 150 Comment
  CAS-BOT-BC116678  Carex subfusca Joseph Prince Tracy 1935-7-23 14141 Humboldt Trinity Summit, Corral Prairie, in wet meadow. 1584 Comment
  UC1103116  Carex tumulicola Joseph P. Tracy 1924-9-14 6876 1/2 Humboldt Butter Valley Northern Caost Ranges 152 Comment
  JEPS80033  Carex unilateralis Joseph P. Tracy 1912-7-21 3783 Humboldt Alton; Northern Coast Region 30 Comment
  UC562627  Carex unilateralis Joseph P. Tracy 1933-6-9 12539 Humboldt Fortuna 18 Comment
  UC1103614  Carex vesicaria Joseph P. Tracy Jul 16 1930-Jul 19 1930 8988 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  JEPS83  Castilleja affinis subsp. affinis Lincoln Constance 1934-3-29 715 b Humboldt Upper Look Prairie South Fork Eel River, Bull Creek Region 365 Comment
  HSC20571  Castilleja affinis subsp. litoralis R. E. Hafenfeld 1965-5-9 29 Humboldt 1/2 mi. S of Squashan Cr. Jct. Gold Bluff Beach Rd. Comment
  HSC91171  Castilleja ambigua subsp. humboldtiensis Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC72403  Castilleja applegatei subsp. pinetorum J. P. Smith 1973-5-26 6834 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC1222835  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1950-7-2 18974 Humboldt 1 mi s Grizzly Camp (Trinity Summit); Trinity Summit Comment
  SD62425  Castilleja applegatei subsp. pinetorum Lincoln Constance, Elwood Molseed, Robert Ornduff 1961-7-19 3701 Humboldt Open ridge easr of Hinkey Summit. Santa Rosa Range, Humboldt National Forest Comment
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Mar 3 2014
  HSC39093  Castilleja exserta subsp. exserta R. Sutherland 1976-6-8 1 .8676 Humboldt 407 Comment
  HSC20582  Castilleja pruinosa P. W. Shields May 1955 Humboldt 4 mi. W of Hoopa Comment
  HSC72484  Castilleja pruinosa J. P. Smith, J. O. Sawyer 1973-5-12 6706 Humboldt 10.4 mi. from Redwood Creek on Hoopa Rd. Comment
  UC1502133  Ceanothus R. Sutherland 1975-7-13 2 .13.75 Humboldt Pt. Delgada Quad. 518 Comment
  OBI35865  Ceanothus cuneatus var. cuneatus David J. Keil 1983-7-2 17328 Humboldt Horse Mtn Summit SW of Willow crk Comment
  RSA25803  Ceanothus foliosus Carl B. Wolf 1941-7-29 11093 Humboldt Along the Redwood Hwy, 0.7 mile N of jct with Hwy 1 from Ft. Bragg 61 Comment
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Jun 7 2011
  HSC37598  Ceanothus foliosus var. foliosus R. Sutherland 1975-7-4 0 .4775 Humboldt 640 Comment
  HSC43178  Ceanothus gloriosus var. exaltatus R. Sutherland 1975-6-19 0 .19675 Humboldt Kelly Rd. ENE of Shelter Cove 640 Comment
  CAS-BOT-BC50049  Ceanothus incanus Doris K. Kildale 1926-8-8 2470 Humboldt Dyerville Bridge near Dyerville - South Fork of Eel River 45 Comment
  HSC98909  Ceanothus integerrimus Cara Witte 2007-6-14 276 Humboldt Along National Forest 1. Near Kinsey Ridge. 2 miles north of intersection with 4N06. 1319 Comment
  HSC37606  Ceanothus oliganthus var. sorediatus R. Sutherland 1975-7-11 7 .11775 Humboldt Along county rd. 259 Comment
  POM118611  Ceanothus oliganthus var. sorediatus Marcus E. Jones 1924-4-25 s.n. Humboldt Garberville. Comment
  HSC18308  Ceanothus parryi P. J. Zinke 161 Humboldt Divide between Mill Creek and S Fork of Eel River, 2 mi S of Myer's Flat 305 Comment
  HSC37086  Ceanothus parryi R. Sutherland 1975-5-20 4 .20575 Humboldt 122 Comment
  UCR131692  Ceanothus parryi C. B. Wolf 1941-7-27 11086 Humboldt North Coast Range, 5.8 miles west of Maple Creek on road to Freshwater from Korbel 610 Comment
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Mar 29 2012
  HSC43187  Ceanothus pumilus R. Sutherland 1976-4-17 2 .17476 Humboldt 549 Comment
  HSC43227  Ceanothus pumilus R. Sutherland 1976-4-25 2 .25476 Humboldt Comment
  HSC18335  Ceanothus thyrsiflorus W. K. Parks Jun 1932 1357 Humboldt Trinidad Comment
  UC170229  Ceanothus thyrsiflorus Joseph Burtt Davy and Walter C. Blasdale 1899-6-18 5623 Humboldt near Korbel (Bald Mt.); North Coast Ranges, Bald Mt. Comment
  HSC60191  Ceanothus velutinus J. P. Smith, J. O. Sawyer 1975-4-6 8056 Humboldt Rd to Shelter Cove, 0.7 mi W of junction with Honeydew Rd. Comment
  POM89164  Ceanothus velutinus Joseph P. Tracy 1919-9-24 5295 Humboldt Trinity Summit 1829 Comment
  SEINET12211103  Ceanothus velutinus F. H. Utech 1986-1 86 -383 Humboldt 0.5 mi NNW on Kings Peak Road (Humboldt County C4A) from junction with Shelter Cove Road 600 Comment
  HSC56191  Ceanothus velutinus var. velutinus Gilbert Muth 1979-8-1 12131 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC1222950  Centaurea melitensis Joseph P. Tracy 1943-11-28 17455 Humboldt bar at mouth of Van Duzen Eel River; , Van Duzen Comment
  CDA7304  Centaurea nigra Tario 1933-11-15 Humboldt Near Eureka. 0 Comment
  CDA7309  Centaurea pratensis E. C. Whitney 1968-9-6 Humboldt Holmes Flat. Rutledge property. 0 Comment
  JEPS44138  Centaurea solstitialis Joseph P. Tracy 1933-8-27 13002 Humboldt 2 to 5 mi e of the South Fork (along the Eel River, Camp Grant); Eel River 45 Comment
  CDA7334  Centaurea solstitialis T. C. Fuller 1961-3-21 5856 Humboldt Freeway island, 1 mile northeast of the limits of Eureka. 0 Comment
  HSC61725  Centaurea solstitialis Ruby Van Deventer 1963-7-1 Humboldt Along the Klamath River at Pecwan 198 Comment
  UC154023  Centunculus minimus J. P. Tracy 1903-8-9 1943 Humboldt immediate vicinity of Eureka 0 Comment
  UC562467  Centunculus minimus Joseph P. Tracy 1935-5-25 13834 Humboldt Fort Seward 106 Comment
  HSC98319  Cephalanthera austiniae T. Jimerson, J. Pageau 1979-6-12 529 Humboldt Near Hopkins Butte, close to the town of Orleans. 1036 Comment
  CAS-BOT-BC384899  Cerastium arvense Doris K. Kildale 1928-4-29 5967 Humboldt Horse Mountain 853 Comment
  CAS-BOT-BC384900  Cerastium arvense Doris K. Kildale 1929-5-26 9142 Humboldt Klamath River at Orleans 152 Comment
  UC162888  Cerastium arvense Harley P. Chandler June, 1901 1384 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  BLMAR609  Cerastium arvense Jennifer Anthony-Wheeler 2011-4-21 609 Humboldt King range, Above Smith gulch. Strawberry Rock. KRSR0004 243 Comment
  HSC4099  Cerastium glomeratum H. E. Parks, S. T. Parks Apr 1944 24279 Humboldt Spruce Cove, Trinidad 61 Comment
  HSC74273  Cerastium glomeratum M. A. Baker 1980-5-23 1381 Humboldt Near Buck Mtn. 1524 Comment
  UC161008  Cerastium glomeratum Joseph P. Tracy 1900-5-24 803 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC2136  Cercis occidentalis Doris K. Kildale 1926-5-2 1909 Humboldt Willow Creek Comment
  UC249729  Cercis occidentalis Joseph P. Tracy 1921-9-4 5950 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS44706  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1929-8-25 8661 Humboldt Trinity River Valley at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  CAS-BOT-BC85652  Chamaecyparis lawsoniana Joseph P. Tracy 1927-3-27 7864 Humboldt Willow Creek Canyon 762 Comment
  CAS-BOT-BC85654  Chamaecyparis lawsoniana Doris K. Kildale 1928-10-7 6749 Humboldt Willow Creek Canyon, 7 miles west of Trinity River. Comment
  CAS-BOT-BC85658  Chamaecyparis lawsoniana L. R. Abrams 1918-6-15 7107 Humboldt Unspecified 1371 Comment
  CDA30198  Chamaesyce maculata M. K. Beyers, I. Shepardson 2009-9-13 237 Humboldt In dry portion of the eastern side of the Eel River, east of State Route 254 (Avenue of the Giants) and Highway 101. Just west of the unincorporated community of Shively. 0 Comment
  UC198574  Chamaesyce serpyllifolia Joseph P. Tracy 1916-9-5 4769 Humboldt 4 mi above Eel River (South Fork); Northern Coast Ranges 60 Comment
  HSC102109  Cheilanthes gracillima M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1012 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC132200  Chenopodium album Joseph P. Tracy 1905-10-1 2394 Humboldt near mouth of Elk River; Northern Coast Range, region about Humboldt Bay 0 Comment
  HSC98134  Chimaphila menziesii Cara Witte 2007-6-26 358 Humboldt Horse Mountain Botanical Area. 1341 Comment
  HSC54590  Chimaphila umbellata Overton, Butler 1979-7-24 9658 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC535746  Chimaphila umbellata Eleanor Armstrong 1173 Humboldt Richardson Grove Comment
  HSC15440  Chlorogalum pomeridianum Elrid H. Spinas 1948-5-15 13 Humboldt Horse Mtn. Comment
  CDA7411  Chrysanthemum segetum B. F. Kemp 1958-4-11 345 -58 Humboldt South Side Mad River near mouth. 0 Comment
  CAS-BOT-BC36480  Chrysolepis chrysophylla Ella Dales Cantelow 1938-10-22 2180 Humboldt Near Red Cap Creek, SW of Orleans Comment
  HSC98521  Chrysolepis chrysophylla var. chrysophylla Cara Witte 2008-7-25 941 Humboldt Forest Service Road 5N10. Approximately 1.5 miles north of intersection with Forest Service Road 5N10C. 1319 Comment
  UC519307  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1933-8-6 12933 Humboldt French Camp Ridge; Northern Coast Ranges 1066 Comment
  UC1198646  Cicendia quadrangularis Joseph P. Tracy 1903-5-22 1887 Humboldt Alder Point Northern Coast Ranges (on Eel River) 152 Comment
  UC1222141  Cicendia quadrangularis Joseph P. Tracy 1951-5-6 19397 Humboldt Carlotta; flat by old Strong's District School House, 5 mi e of town 60 Comment
  UC1119747  Cichorium intybus H. L. Person 1932-8-7 Humboldt Korbel Eureka Comment
  UC642242  Cicuta douglasii Joseph P. Tracy 1927-9-25 8379 Humboldt 2 mi s of Field's Landing (near Still Ranch) 6 Comment
  UC154254  Cicuta douglasii Joseph P. Tracy 1907-7-20 2597 Humboldt Region about Humboldt Bay, Northern Coast Region Humboldt Bay; Northern Coast Region, Humboldt Bay 0 Comment
  HSC56141  Circaea alpina subsp. pacifica G. L. Clifton, Griswold 1979-8-1 11966 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC62998  Circaea alpina subsp. pacifica David Wheeler 1979-5-13 106 Humboldt Redwood Valley, 1.0 mi. S of dump on other side of Redwood Creek from rd. Comment
  HSC70502  Circaea alpina subsp. pacifica Gail Newton 1980-7-20 1620 Humboldt Near Bell Swamps 1426 Comment
  HSC74438  Circaea alpina subsp. pacifica Gail Newton 1980-8-10 2069 Humboldt Near Blake Mtn. 1707 Comment
  BLMAR594  Circaea alpina subsp. pacifica Jennifer Wheeler 2010-7-28 594 Humboldt Lacks Creek, off Pine Ridge Road under shady old growth Douglas-fir 975 Comment
  UC1714534  Circaea alpina subsp. pacifica Chesnut and Drew 1888-7-9 Humboldt Campbell's Comment
  CAS-BOT-BC284402  Cirsium arvense Alice Eastwood 1923-8-14 12317 Humboldt Samoa Comment
  JEPS59109  Cirsium arvense W. L. Jepson 1902-8-3 2135 Humboldt Eel River, Ferndale Ferry 6 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
  CAS-BOT-BC284438  Cirsium brevistylum Henry M. Pollard 1948-8-9 s.n. Humboldt Camp Creek near Orleans Comment
  JEPS59310  Cirsium brevistylum W. L. Jepson 1936-8-15 17900 Humboldt 2 mi e Carlotta Comment
  HSC98616  Cirsium cymosum var. cymosum Cara Witte 2007-7-10 472 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N38 1349 Comment
  RSA0070620  Cirsium douglasii var. breweri J. M. Tucker 1948-9-3 1850 Humboldt On Horse Mountain at junction of road to Grouse Mountain and road to Horse Mountain Mine. 1463 Comment
  CDA1217  Cirsium douglasii var. douglasii T. C. Fuller 1962-8-6 9352 Humboldt Hwy 299, 3.4 miles east of Berry Summit. Comment
  UC912553  Cirsium douglasii var. douglasii Herbert L. Mason 1932-7-21 7107 Humboldt on road from Arcata to Weaverville (e slope of South Fork Mountains); North Coast Ranges Comment
  HSC104423  Cirsium occidentale Jenny Lynn Hutchinson 2013-6-27 Humboldt Mt. Andy Comment
  CAS-BOT-BC286387  Cirsium occidentale var. venustum Doris K. Kildale 1925-7-2 967 Humboldt Bug Creek 792 Comment
  UCR123961  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6967 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  HSC104439  Clarkia amoena Greg O'Connell 2013-6-27 Humboldt Summit of Mt. Andy 1159 Comment
  CAS-BOT-BC160945  Clarkia amoena subsp. amoena Peter H. Raven; R. Snow 1958-7-21 13656 Humboldt 7.2 miles north-west of Capetown on road to Ferndale Comment
  CAS-BOT-BC160953  Clarkia amoena subsp. amoena Doris K. Kildale 1928-7-9 5699 Humboldt Bug Creek - Chaparral Mountain 914 Comment
  CAS-BOT-BC160946  Clarkia amoena subsp. amoena Roxana S. Ferris 1937-8-21 9385 Humboldt Above terrace at Shelter Cove Comment
  CAS-BOT-BC164181  Clarkia concinna Doris K. Kildale 1929-5-26 9153 Humboldt Klamath River at Orleans 152 Comment
  UC1198506  Clarkia concinna subsp. concinna Joseph P. Tracy 1911-7-11 3512 Humboldt Supply Creek Northern Coast Ranges, Hoopa Valley 304 Comment
  UC1222853  Clarkia concinna subsp. concinna Joseph P. Tracy 1950-5-24 18691 Humboldt between McDonald's and Hopland (along old highway) Comment
  CDA38034  Clarkia purpurea subsp. quadrivulnera T. R. Haig 1960-6-19 s.n. Humboldt Kneeland School. 0 Comment
  CAS-BOT-BC164723  Clarkia rhomboidea Harley P. Chandler 1901-6-1 1339 Humboldt Hupa Indian Reservation 152 Comment
  HSC98618  Clarkia rhomboidea Cara Witte 2008-7-2 795 Humboldt National Forest Road 1; 5 miles south of intersection with 5N04. Before cattle guard crossing. 1406 Comment
  RSA298976  Clarkia rhomboidea Lincoln Constance 1934-6-15 880 Humboldt Bull Creek Region, South Fork Eel River. Summit of Grasshopper Peak 976 Comment
  CAS-BOT-BC439097  Claytonia cordifolia Joseph P. Tracy 1932-7-15 10583 Humboldt Trinity Summit. Ridges East of Corral Prairie 1828 Comment
  BLMAR461  Claytonia exigua Jennifer Anthony-Wheeler 2008-3-7 461 Humboldt Samoa dunes, growing in Samoa #3 Endangered Plant Protection Area 12 Comment
  HSC67184  Claytonia exigua subsp. exigua Thomas W. Nelson, James Nelson 1980-6-10 5435 Humboldt Along E side of Red Mtn. 1372 Comment
  HSC48838  Claytonia lanceolata Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 30 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  SEINET200317 Image available Claytonia lanceolata Joseph P. Tracy 1932-7-15 10594 Humboldt Trinity Summit. Ridges east of Corral Prairie 1830 Comment
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Nov 24 2014
  HSC17695  Claytonia rubra subsp. depressa S. J. Hawks 1965-2-12 3 Humboldt N end of Eureka Airport Comment
  HSC17740  Claytonia rubra subsp. rubra H. E. Parks, J. P. Tracy 1930-5-25 876 Humboldt Laribee Valley 762 Comment
  HSC32285  Claytonia saxosa D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5623 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  HSC82021  Claytonia saxosa Thomas W. Nelson, James Nelson 1980-6-10 5398 Humboldt Along Swayback Ridge 4-wheel drive road, 1.25 mi. S of junction with Forest Service road. 1494 Comment
  CHSC13604  Claytonia sibirica A. R. Morrison 1974-4-27 Humboldt Scattered in Redwood understory ca. 1.5 mi. off Hwy. 101 on Westhaven Rd., Trinidad. 42 Comment
  HSC27888  Claytonia sibirica Clifton Raymond Chesbrough 1973-6-19 72 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  HSC48826  Claytonia sibirica Brad Klipfel, J. O. Sawyer, J. P. Smith 1973-5-27 39 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC64193  Claytonia sibirica J. O. Sawyer, M. A. Ericksen 1979-6-23 3375 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  POM117947  Claytonia sibirica Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  SBBG69724  Claytonia sibirica H. and M. Dearing 1939-6-21 3689 Humboldt E fork of Willow Crk Comment
  UC1136740  Claytonia sibirica H. L. Person 1932-8-8 Humboldt Freshwater; Eureka Quad. Comment
  CAS-BOT-BC443899  Claytonia sibirica Joseph P. Tracy 1937-7-2 15388 Humboldt Happy Camp Mountain (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  CAS-BOT-BC443900  Claytonia sibirica David D. Keck 1948-7-2 6004 Humboldt E. side Rocky Ridge, E. of Berry's Summit, 8.5 mi. W. of Willow Creek, 1/4 mi. W. of boundary of Six Rivers Nat. For. 762 Comment
  RSA554591  Claytonia sibirica Walter Wisura 1993-5-9 4909 Humboldt Northwest: Hwy 299, 5.7 mi. W of Willow Creek at E-fork camp ground. Comment
  SD38113  Claytonia sibirica Marie Cummings 1933-5-22 110 Humboldt Near Blockburg Comment
  CAS-BOT-BC92592  Clematis ligusticifolia J. Clausen 1932-9-19 697 Humboldt Dyerville, Eel River. Comment
  CAS-BOT-BC92594  Clematis ligusticifolia Henry M. Pollard 1948-7-23 s.n. Humboldt Near Orleans. Comment
  CAS-BOT-BC92598  Clematis ligusticifolia Joseph P. Tracy 1937-8-3 15608 Humboldt Along Mad River, near Blue Lake. 15 Comment
  JEPS60566  Clematis ligusticifolia Lincoln Constance 1934-6-18 898 Humboldt near S. Fork R.R. Station & P.O (border of N. Dyerville Flat); Bull Creek Region, W. Fork Eel R. Comment
  HSC92099  Clintonia andrewsiana Brad Klipfel 1973-4-28 10 Humboldt Along Canyon Creek, SW of Korbel Comment
  SEINET12046245  Clintonia andrewsiana K. S. Erdman 1970-1 4796 Humboldt Cal-Barrow Road, 3mi E of US101 at boundary of Prairie Creek State Park (Redwood National Park) Comment
  UC146212  Clintonia uniflora Joseph P. Tracy 1908-6-27 2733 Humboldt at foot of Buck Mountain, along the Van Duzen River Van Duzen River; Northern Coast Ranges, Buck Mountain, Van Duzen River 304 Comment
  UC147866  Collinsia grandiflora Joseph P. Tracy 1908-6-8 2638 Humboldt Kneeland Prairie; Northern Coast Ranges; Kneeland Prairie 762 Comment
  HSC22862  Collinsia grandiflora D. E. Anderson 1965-4-24 3534 Humboldt Along Titlow Hill Rd. Comment
  JEPS23541  Collinsia grandiflora Peter H. Raven with R. Snow 1958-7-20 13633 Humboldt grassy bald 2.8 mi s junction of Titlow Hill and Friday Ridge roads (near Grouse Mountain) Comment
  UC582467  Collinsia heterophylla Joseph P. Tracy 1927-5-30 8089 Humboldt vicinity of Garberville 121 Comment
  HSC102619  Collinsia parviflora M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1606 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC41245  Collinsia parviflora Brad Klipfel 1974-5-27 391 Humboldt Horse Mtn. Comment
  JEPS26114  Collinsia parviflora Peter H. Raven with R. Snow 1958-7-20 13634 Humboldt 2.8 mi s jct of Titlow Hill and Friday Ridge rds (near Grouse Mtn) Comment
  UC1196839  Collinsia rattanii Joseph P. Tracy 1933-5-14 12173 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1196823  Collinsia sparsiflora var. collina Joseph P. Tracy 1932-4-24 9819 Humboldt between Miranda and Redway (S. Fork Eel River); North Coast Ranges 91 Comment
  HSC93919  Collinsia sparsiflora var. sparsiflora D. K. Imper 1997-5-5 Humboldt Kneeland Prairie, E of airport runway 854 Comment
  JEPS7053  Collinsia torreyi var. wrightii Joseph P. Tracy 1932-7-12 10467 Humboldt head of Brett Hole Trinity Summit 1828 Comment
  UC582448  Collinsia torreyi var. wrightii Joseph P. Tracy 1932-7-12 10467 Humboldt Trinity Summit, Head of Brett Hole Head of Brett Hole; Trinity Summit, Head of Brett Hole 1828 Comment
  UC146169  Collomia grandiflora Joseph P. Tracy 1908-6 2872 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  HSC56008  Collomia heterophylla Overton, Butler 1979-7-31 11489 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  UC1197845  Collomia heterophylla J. P. Tracy 1903-8-9 1933 Humboldt immediate vicinity Eureka 0 Comment
  BLMAR298  Comarum palustre Jennifer Anthony-Wheeler 2002-7-23 298 Humboldt Headwaters Forest Reserve, growing in a pond with large floating logs 426 Comment
  HSC49022  Convolvulus arvensis Patricia Shesgreen 1978-8-28 146 Humboldt At 11th and A St., Arcata Comment
  RSA0049662  Coptis laciniata Dean Wm. Taylor 2011-5-4 21115 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junciton with Highway 36 734 Comment
  RSA30377  Coptis laciniata Lincoln Constance, R. C. Rollins 1942-5-11 2868 Humboldt 3 miles W of E Fork of Willow Creek, Comment
  CAS-BOT-BC133716  Corallorhiza Doris K. Kildale 1928-3-29 4367 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC34283  Corallorhiza mertensiana Ken Irwin 1975-8-16 Humboldt Grogans Hole Area Comment
  SBBG1153  Corallorhiza mertensiana H. and M. Dearing 1939-7-25 3709 Humboldt road to Blakes Lookout 1524 Comment
  JEPS6786  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1924-7-20 6735 Humboldt Koby Ranch, on road between Willow Creek (an Three Creeks); Koby Ranch 609 Comment
  CAS-BOT-BC101141  Corethrogyne filaginifolia Alice Eastwood 1923-8-14 12316 Humboldt Samoa Comment
  HSC49140  Corethrogyne filaginifolia J. O. Sawyer, R. J. Cole 1978-10-10 3318 Humboldt W of Coast Guard road at intersection with Samoa Bridge Comment
  SEINET7836966 Image available Corethrogyne filaginifolia J. B. Davy 1899-6-30 6185 Humboldt Near Ferndale Comment
  SD38604  Corethrogyne filaginifolia var. filaginifolia Edith A. Purer 1932-7-30 4675 Humboldt Sand dunes south of Oric. Comment
  CAS-BOT-BC212010  Cornus nuttallii Doris K. Kildale 1925-8-13 1134 Humboldt Willow Creek Flat, near bluff on Trinity River 152 Comment
  HSC6407  Cornus nuttallii Jack Rockwell 1962-4-29 43 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  UC154072  Cornus nuttallii Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5635 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  UC502981  Cornus sericea subsp. sericea Joseph P. Tracy 1929-8-18 8654 Humboldt opposite Buck Mt. (on Van Duzen R., Dinsmore's Ranch); Northern Coast Ranges, Van Duzen R., Dinsmore's Ranch 670 Comment
  UC249592  Cornus sessilis Joseph P. Tracy 1921-8-21 5941 Humboldt Trinity R. at mouth of S. Fork <Trinity R.>; Northern Coast Ranges, Trinity R. 152 Comment
  UC1225941  Corylus californica Joseph P. Tracy 1946-8-25 17641 Humboldt Table Bluff, on Hookton road 9 Comment
  HSC97559  Corylus cornuta var. californica Cara Witte 2007-6-5 210 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 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
  HSC5421  Cotula australis D. E. Anderson 1963-3-16 2388 Humboldt At foot of Scotia Bluffs Comment
  SEINET3817861  Cotula coronopifolia E. G. Kynoch Jr. 1966-10-7 405 Humboldt Clam Beach near Little River State Park 2 Comment
  UCD130911  Cotula coronopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-3 1163 Humboldt Eel River Valley, 1 mile south of Fields Landing. Comment
  CAS-BOT-BC427575  Crassula aquatica Joseph P. Tracy 1935-5-30 13919 Humboldt Trinity River Valley, at Willow Creek 152 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-BC290340  Crepis acuminata Joseph P. Tracy 1935-7-30 14382 Humboldt Salmon Summit 2103 Comment
  HSC58161  Crepis acuminata G. L. Clifton, Griswold 1979-8-2 12224 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  UC204755  Crepis capillaris Joseph P. Tracy 1918-7-1 4961 Humboldt Holmes Flat Northern Coast Ranges, Eel River (along river from South Fork to Scotia) 60 Comment
  UC581727  Crepis capillaris Joseph P. Tracy 1934-7-4 13300 Humboldt Lawrence Creek; at crossing of the Kneeland road 457 Comment
  UCR121767  Crepis capillaris George K. Helmkamp, E. A. Helmkamp 2001-7-8 6998 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  HSC42455  Crepis pleurocarpa Barbara Kelly 1977-7-16 540 Humboldt On Horse Mtn. Rd., 1/2 mi. below where it forks; 1.5 mi. below summit 1402 Comment
  RSA113707  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek, near the mouth in woods along an old road 152 Comment
  HSC5459  Crocidium multicaule H. E. Parks 1930-5-25 867 Humboldt Laribee Valley 762 Comment
  JEPS22553  Crocidium multicaule Joseph P. Tracy 1933-5-21 12212 Humboldt McClellan Mountain 822 Comment
  SEINET5261839  Crocosmia X crocosmiiflora Unknown 2002-8-22 86 Humboldt On Fischer Road just N of the Mad River. Comment
  UC526751  Crypsis vaginiflora Joseph P. Tracy 1932-9-3 10762 Humboldt Alton to Fortuna; Northern Coast Region, Eel River 15 Comment
  HSC3566  Cryptantha affinis J. P. Tracy, H. E. Parks 1934-6-27 11059 Humboldt Grouse Mtn. Comment
  HSC57202  Cryptantha affinis Griswold, Butler 1979-7-10 7108 Humboldt Near Board Camp Mtn., close to the town of Willow Creek. 1350 Comment
  UC552253  Cryptantha intermedia Harold E. Parks and Joseph P. Tracy 1934-6-27 11060 Humboldt Grouse Mt. 1432 Comment
  UCSB14885  Cryptantha leiocarpa 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  UC525586  Cryptantha leiocarpa Joseph P. Tracy 1932-5-10 9939 Humboldt s of point of Cape Mendocino (near ocean shore); Cape Mendocino 3 Comment
  HSC3589  Cryptantha torreyana H. E. Parks, J. P. Tracy 1934-6-27 11058 Humboldt Grouse Mtn. 1433 Comment
  HSC55165  Cryptogramma acrostichoides Gilbert Muth 1979-8-1 12155 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UC54781  Cupressus lawsoniana Joseph Burtt Davy and Walter C. Blasdale 1899-5 5633 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  JEPS47099  Cuscuta occidentalis Joseph P. Tracy 1916-9-6 4760 Humboldt Grasshopper Ridge, headwaters of Canoe Creek Northern Coast Ranges, Canoe Creek 609 Comment
  UC1191663  Cuscuta salina var. major Malcolm A. Nobs and S. Galen Smith 1949-8-3 1202 Humboldt about 2 mi n Eureka; Humboldt Bay Comment
  HSC20640  Cymbalaria muralis A. D. Sajecki 1967-7-24 15 Humboldt Behind H.S.C. Campus Comment
  HSC3639  Cynoglossum grande Paul Shields Apr 1955 Humboldt Kneeland Comment
  SEINET200581  Cynoglossum grande J. P. Tracy 1901-4-26 1047 Humboldt Humboldt Hill 0 Comment
  UC176042  Cynoglossum grande Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3615 Humboldt near Hydesville; Northern Coast Region 30 Comment
  UC1103239  Cynosurus cristatus Joseph P. Tracy 1941-7-26 16969 Humboldt Eureka 30 Comment
  UCD60123  Cynosurus cristatus L. T. Burcham 1956-7-19 341 Humboldt 1.5 miles northwest of Petrolia. 152 Comment
  UCD60128  Cynosurus cristatus Malcolm A. Nobs; S. Galen Smith 1949-8-3 1195 Humboldt Southern outskirts of Eureka. Comment
  UCD60133  Cynosurus cristatus R. Tofsrud 1949-7-1 s. n. Humboldt South edge of Scotia. Comment
  HSC47794  Cynosurus echinatus Michael A. Watkins 1978-6-10 14 Humboldt Arcata, E side of 7th St. overpass to Hwy. 101 Comment
  POM364982  Cynosurus echinatus Jacqueline Greenleaf 1980-8-5 288 Humboldt Dairy Creek 294 Comment
  RSA183563  Cyperus eragrostis D. E. Anderson 1963-9-29 2848 Humboldt Fish Lake. Comment
  HSC7250  Cyperus squarrosus J. P. Tracy 1931-9-7 9662 Humboldt Trinity River Valley, Willow Creek 152 Comment
  UC1103651  Cyperus squarrosus Joseph P. Tracy 1935-5-30 13918 Humboldt Trinity R. Valley at Willow Creek (in old Clover Flat Mine workings); Trinity R. Valley, Clover Flat Mine 152 Comment
  CAS-BOT-BC114195  Cyperus strigosus Henry M. Pollard 1945-8-27 s.n. Humboldt Near Orleans, Pond near Harley place. Comment
  UC1196446  Cypripedium montanum Joseph P. Tracy 1924-4-27 6647 Humboldt brushy hillside at Berry's; Northern Coast Ranges, Redwood Creek 365 Comment
  CHSC110734  Cytisus scoparius Dean Wm. Taylor 2011-5-4 21114 Humboldt Alderpoint Road in the vicinity of the Snowline Fox Farm, vicinity of the road crossing of Knack Creek 341 Comment
  CAS-BOT-BC198198  Cytisus striatus Catherine Best 1990-6-26 1367 Humboldt At the edge of Stagecoach Road off Hwy. 101. Comment
  HSC73805  Dactylis glomerata M. A. Baker 1980-6-16 1937 Humboldt Near Monks Camp. 1097 Comment
  HSC9540  Dactylis glomerata E. W. Styskel 1964-4-12 64 Humboldt Corner of Center Street and Hwy. 101 in Rio Dell. Comment
  HSC1967  Danthonia californica William J. Ferlatte, B. D. Rogers 1966-6-15 2108 Humboldt Larabee Valley 762 Comment
  HSC24617  Danthonia californica William J. Ferlatte, B. D. Rogers 1966-6-15 2108 Humboldt Larabee Valley 762 Comment
  HSC32479  Danthonia californica D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5721 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC39235  Danthonia californica D. E. Anderson, J. P. Smith 1971-7-28 - 1270 Humboldt 2.5 mi. S of Blue Lake along the Mad River. Comment
  UC1152021  Danthonia californica Joseph P. Tracy 1951-6-26 19571 a Humboldt Snow Camp and Twin Lakes vicinity Comment
  UCD60503  Danthonia californica var. americana R. Tofsrud 1947-6-27 s.n. Humboldt About halfway between Yager and Kneeland on county road. Comment
  CAS-BOT-BC194415  Danthonia intermedia Joseph P. Tracy 1935-7-25 14231 Humboldt Open places at McKay Prairie, Trinity Summit 1584 Comment
  UC505103  Datisca glomerata Joseph P. Tracy 1932-9-18 10805 Humboldt Blue Slide on Van Duzen River Blue Slide; Northern Coast Ranges, Van Duzen River, Blue Slide 91 Comment
  HSC49087  Daucus carota Patricia Shesgreen 1978-8-8 133 Humboldt 7th & A St., Arcata Comment
  JEPS14240  Daucus carota Joseph P. Tracy 1932-9-16 10796 Humboldt near the mouth Mad R. 30 Comment
  HSC59680  Daucus carota George Kirn 1977-10-1 Humboldt Eureka, open bayfront field 1/2 mi E of Hwy 255 6 Comment
  UC154245  Daucus pusillus J. P. Tracy 1900-7-4 887 Humboldt Ocean Beach at Samoa opposite Eureka Comment
  UC420522  Daucus pusillus Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5417 Humboldt near Hubbards Comment
  UC1197355  Daucus pusillus Joseph P. Tracy 1918-7-3 4996 Humboldt Shelter Cove Northern Coast Ranges, Shelter Cove 15 Comment
  HSC49808  Delairea odorata J. M. DiTomaso 1979-11-7 1551 Humboldt In front yard of house across from Day Care Center on Humboldt State University Campus Comment
  CAS-BOT-BC9227  Delphinium decorum H. E. Parks; Joseph Prince Tracy 1927-4-23 7909 Humboldt Vicinity of Trinidad 60 Comment
  HSC48682  Delphinium glaucum Brad Klipfel 1973-7-31 242 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  SD46536  Delphinium hesperium E. K. Balls, L. W. Lenz 1956-6-12 21665 Humboldt 9.1 miles ne from Blue Lake along U.S. Hwy. 299, Arcata to Willow Creek. 487 Comment
  SEINET12086786  Delphinium menziesii H. E. Parks, Tracy, J. P. 1930-1 0789 Humboldt Laribee Valley 914 Comment
  HSC73733  Delphinium nuttallianum M. A. Baker 1980-7-19 3019 Humboldt Near Bret Hole. 1814 Comment
  HSC24424  Delphinium trolliifolium R. Spellenberg 1965-6-14 1131 Humboldt 3.5 mi. S of Kneeland, 1.5 mi. N of junction with Barry Rd. Comment
  SEINET12099650  Delphinium trolliifolium J. P. Tracy 1951-1 19559 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road) Comment
  UC503029  Delphinium trolliifolium Joseph P. Tracy 1931-4-19 9334 Humboldt hillside near Alton; Northern Coast Ranges 91 Comment
  CAS-BOT-BC192702  Deschampsia danthonioides L. B. Kildale 1930-6-1 9768 Humboldt Klamath River at Bluff Creek Comment
  UC187271  Deschampsia danthonioides J. P. Tracy 1903-5-24 1911 Humboldt Alder Point on Eel. R. Alder Point; Eel. R., Alder Point 152 Comment
  BLMAR267  Deschampsia elongata Jennifer Anthony-Wheeler 1999-6-16 267 Humboldt Headwaters Forest Reserve, growing near beginning of wildlife rd 524 Comment
  CAS-BOT-BC201772  Deschampsia elongata W. R. Dudley 1899-6-1 s.n. Humboldt Bull Creek & Eel River Comment
  HSC74436  Deschampsia elongata Gail Newton 1980-8-10 2067 Humboldt Near Blake Mtn. 1707 Comment
  RSA12539  Deschampsia elongata C. B. Wolf 1934-7-2 5899 Humboldt at Snow Camp (Mts. east of Korbel) 1372 Comment
  RSA256709  Deschampsia elongata D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-17 5712 Humboldt Mc Keown Ranch North of Dinsmore Comment
  UC38482  Deschampsia elongata Harley P. Chandler May, 1901 1175 b Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 54 Comment
  UCD63594  Deschampsia elongata A. H. Shunk 1923-7-21 Humboldt Bridgeville. Comment
  HSC58678  Descurainia incana G. L. Clifton, Terry Griswold 1979-8-2 12201 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC1586878  Dicentra formosa Juha Pykala and D. H. Norris 1987-6-10 1525 Humboldt about 1-2 mi s Onion Lake (on Onion Lake Road); Six Rivers National Forest 1300 Comment
  HSC99360  Dicentra formosa subsp. formosa K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-24 9 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  CAS-BOT-BC209195  Dichanthelium acuminatum subsp. acuminatum Joseph P. Tracy 1925-7-5 7168 Humboldt High Prairie, on Bold Mountain 1066 Comment
  CAS-BOT-BC483663  Dichelostemma capitatum R. James; M. Goering; S. Matthews 1985-4-20 040 Humboldt Burnt Ranch Campground, Shata-Trinity National Forest 432 Comment
  HSC86307  Dichelostemma capitatum subsp. capitatum K. Berg, B. Bonning 1983-5-21 493 Humboldt 0.5 mi. up Titlow Hill Rd. from Berry Summit 854 Comment
  HSC38095  Dichelostemma congestum Thomas W. Nelson, James Nelson 1976-5-30 2616 Humboldt McKeown Ranch, N of Dinsmore. 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
  SEINET6879154  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1937-6-23 s.n. Humboldt Saddle near east end of Bald Hills, southeast of Orick. Comment
  CAS-BOT-BC501027  Dichelostemma ida-maia Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Humboldt Unspecified Comment
  SEINET12059401  Dichelostemma ida-maia K. S. Erdman 1970-6-17 4765 Humboldt S slopes of Schoolhouse Peak on Bald Hills Road about 16 mi S of Orick 914 Comment
  UC1198181  Dichelostemma ida-maia Joseph P. Tracy 1947-5-10 17684 Humboldt Miranda South Fork of Eel River 121 Comment
  UC1222686  Dichelostemma ida-maia Joseph P. Tracy 1950-7-2 18973 Humboldt 1 mi s Grizzly Camp Comment
  HSC38524  Dichelostemma multiflorum D. E. Anderson, J. P. Smith 1971-6-18 - 1072 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC500982  Dichelostemma multiflorum Harley P. Chandler 1901-6-1 1310 Humboldt Hupa Indian Reservation 152 Comment
  UC562292  Dichondra donelliana Joseph P. Tracy 1932-3-20 9785 Humboldt Trinidad; slopes facing ocean 3 Comment
  CAS-BOT-BC150347  Diplacus aurantiacus Elmer I. Applegate 1923-9-12 3988 Humboldt Stone Lagoon, below Orick Comment
  CAS-BOT-BC153233  Diplacus kelloggii Dave Imper 1985-6-19 s.n. Humboldt Roadbed (10N01), 2 mi. west of Whitey's Peak 1066 Comment
  HSC62879  Dipsacus fullonum J. M. DiTomaso 1979-5-20 1042 Humboldt Arcata, Hwy. 101 at Guintoli Rd. Comment
  SEINET4170354  Disporum hookeri Joseph P. Tracy, Tom Britton 1924-5-4 6670 Humboldt Grizzly Creek , on Van Duzen River Comment
  UC666968  Disporum smithii Joseph P. Tracy 1933-5-21 12209 Humboldt McClellan Mountain 670 Comment
  CHSC69508  Distichlis spicata Vernon Oswald; Lowell Ahart 1997-9-4 8850 Humboldt North Coast Region. Big Lagoon County Park at the southwest edge of Big Lagoon. 3 Comment
  CAS-BOT-BC208659  Distichlis spicata Malcom A. Nobs; S. Galen Smith 1949-8-3 1178 Humboldt Salt marshes around Fields Landing Comment
  UC1198617  Dodecatheon alpinum Joseph P. Tracy 1933-7-16 12782 Humboldt McKay Camp South Fork Mountain, McKay Camp. Comment
  JEPS14453  Downingia elegans Joseph P. Tracy 1927-7-17 8270 Humboldt Three Cabins, on lower w foothills of Chaparral Mountain North Coast Ranges, Chaparral Mountain 457 Comment
  UC28972  Downingia elegans Chesnut and Drew Aug 1888 Humboldt Comment
  UC34954  Downingia elegans Chesnut and Drew 1888-7-10 Humboldt near Jarnigan's Comment
  HSC36312  Drosera rotundifolia James Beaver 1973-5-20 Humboldt Big Lagoon Comment
  JEPS44246  Drymocallis lactea var. austiniae W. L. Jepson 1902-7-24 2113 Humboldt Trinity Summit Trinity Summit (on summit) 2133 Comment
  JEPS48708  Drymocallis lactea var. austiniae Hilda W. Grinnell 1932-7-22 37 Humboldt McKay Camp South Fork Mt., McKay Camp Comment
  UC62809  Dryopteris expansa Marshall A. Howe 1896-5-30 Humboldt Eureka Comment
  SD92987  Dryopteris expansa W. Bertsch 1953-7-30 216 Humboldt Duncan Grove, Redwood Forest Comment
  CAS-BOT-BC428295  Dudleya farinosa A. A. Heller 1934-7-10 16164 Humboldt At Moonstone Beach near Trinidad. Comment
  CAS-BOT-BC428296  Dudleya farinosa A. A. Heller 1924-7-25 13886 Humboldt At Agate Beach near Trinidad. Comment
  CAS-BOT-BC113802  Dulichium arundinaceum Joseph Prince Tracy 1938-9-25 16173 Humboldt Dense masses in shallow water, Bald Mountain, at Lake Prairie. 1066 Comment
  UCD49713  Eleocharis acicularis Joseph P. Tracy 1934-7-13 13393 Humboldt Carpeting dried-up bed of pond. Dow's Prairie. 60 Comment
  HSC7338  Eleocharis erythropoda E. Hunt 1949-5-17 17 Humboldt S Fork Mtn. Comment
  SEINET3910832  Eleocharis macrostachya Thomas Nelson 1977-9-22 3749 Humboldt Eureka Quad. Along east side of State Route 101 just north of the Eureka Airport.; 0 Comment
  RSA53824  Eleocharis palustris Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  CAS-BOT-BC112660  Eleocharis parvula Robert F. Thorne; P. Everett 1965-8-9 35342 Humboldt along Hwy 101, ca 3 mi N of Eureka along roadside. 1 Comment
  SEINET201036  Elymus elymoides subsp. brevifolius Joseph P. Tracy 1919-9-23 5279 Humboldt Trinity Summit 1829 Comment
  HSC74697  Elymus glaucus Gail Newton 1981-8-7 2465 Humboldt Near Board Camp Mtn. 1478 Comment
  HSC79424  Elymus glaucus Kenneth Clark 1980-4-18 608 Humboldt Along access trail to Dead Man's Gulch. 61 Comment
  RSA183623  Elymus glaucus D. E. Anderson 1965-5-15 3718 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  UC526798  Elymus glaucus Joseph P. Tracy 1926-6-20 7652 Humboldt Horse Mountain Northern Coast Ranges 1402 Comment
  HSC58673  Elymus glaucus subsp. glaucus Gilbert Muth 1979-8-1 12151 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  UCD62351  Elymus glaucus subsp. glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3484 Humboldt Near Garberville, 1.4 miles on road to Harris. Comment
  JEPS72931  Elymus glaucus subsp. jepsonii Lincoln Constance 1934-5-23 612 Humboldt se slope of mt. above Look Prairie; South Fork Eel River, Bull Creek Region 365 Comment
  CHSC35546  Elymus multisetus James Payne Smith Jr. 1977-7-3 9256 Humboldt Six Rivers National Forest. Along Forest Service Road 13N01, 3 miles from its junction with State Route 36. 548 Comment
  CAS-BOT-BC204329  Elymus trachycaulus subsp. trachycaulus Joseph P. Tracy 1926-7-5 7736 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC204333  Elymus trachycaulus subsp. trachycaulus David D. Keck 1948-7-1 5969 Humboldt South side of Big Lagoon Comment
  UC1103470  Elytrigia repens Joseph P. Tracy 1940-10-5 16751 Humboldt Trinidad; foot of coast bluff 6 Comment
  CAS-BOT-BC392223  Enemion stipitatum Joseph P. Tracy 1935-5-5 13802 Humboldt Kneeland Prairie 822 Comment
  SD38380  Epilobium angustifolium Edith A. Purer 1932-7-27 4148 Humboldt Near Samoa Comment
  SDSU8812  Epilobium angustifolium Harvey 1938-8-13 2236 Humboldt Stephens Grove Comment
  UC1198484  Epilobium brachycarpum J. P. Tracy 1906-8-18 2541 Humboldt immediate vicinity of Eureka 0 Comment
  HSC32528  Epilobium brachycarpum Thomas W. Nelson, Jane P. Nelson 1973-9-3 1136 Humboldt Just E of Dinsmore beside Hwy. 36 Comment
  HSC99054  Epilobium brachycarpum Cara Witte 2008-7-30 979 Humboldt National Forest 1. 2 miles north of intersection with Forest Service Road 4N09. 1267 Comment
  HSC99131  Epilobium brachycarpum Cara Witte 2007-7-24 571 Humboldt Titlow Hill. 1 mile north of turn off to Cold Spring. 1484 Comment
  UC1198491  Epilobium brachycarpum Joseph P. Tracy 1900-9-10 964 Humboldt near Hydesville; Northern Coast Region, Yager bar 60 Comment
  SBBG60140  Epilobium canum subsp. latifolium L. Rowntree 1931-7-21 Humboldt Mattole River 2 mi from Petrolia Comment
  HSC76188  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9781 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC1122558  Epilobium ciliatum subsp. ciliatum H. L. Person 1932-7-16 Humboldt hwy n Trinidad; Rock Point Quadrangle Comment
Read comments
Aug 3 2007
  HSC69629  Epilobium ciliatum subsp. ciliatum R. Kalal 1980-5-18 30 Humboldt Along abandoned Rd. near entrance to Dry Lagoon State Park 21 Comment
  JEPS31484  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1937-8-12 15649 Humboldt Snow Camp 1402 Comment
  UCD105926  Epilobium ciliatum subsp. glandulosum J. M. Tucker 1948-9-3 1858 Humboldt Clear Lake, near junction of Friday Ridge Road and Horse Mountain-Grouce Mountain Road. Comment
  UCD20169  Epilobium ciliatum subsp. glandulosum J. M. Tucker 1948-9-3 1858 Humboldt Clear Lake, near junction of Friday Ridge Road and Horse Mountain-Grouce Mountain Road. Comment
  RSA22708  Epilobium ciliatum subsp. watsonii H. E. Parks, S. T. Parks 1937-07 24050 Humboldt Spruce Cove, Trinidad. 64 Comment
  RSA249499  Epilobium ciliatum subsp. watsonii Robert F. Thorne, P. C. Everett 1965-8-7 35201 Humboldt Samoa Peninsula. Elevation near sea level. Comment
  HSC98093  Epilobium glaberrimum subsp. fastigiatum Cara Witte 2007-7-11 477 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  SEINET12191481  Epilobium glaberrimum subsp. glaberrimum J. P. Tracy 1950-1 19272 Humboldt on trail b/w Box Camp and Croghan Hole, 2 mi E of Box Camp, Trinity Summit Comment
  POM160843  Epilobium hallianum Joseph P. Tracy 1923-5-13 6204 Humboldt North Coast Ranges: Bridgeville. 229 Comment
  JEPS31491  Epilobium hornemannii subsp. hornemannii Joseph P. Tracy 1935-7-24 14183 Humboldt near Ranger Station (along streamlet); Trinity Summit 1828 Comment
  HSC56949  Epilobium minutum Overton, Butler 1979-7-23 9447 Humboldt Near Horse Mtn., close to the town of Willow Creek 1295 Comment
  UC144086  Epilobium minutum Joseph P. Tracy 1908-6-8 2627 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC49630  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1977-5-30 3401 Humboldt Mckeown Ranch N of Dinsmore, Mad River 610 Comment
  RSA21077  Epilobium minutum Carl B. Wolf 1937-8-13 9237 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  SEINET10632318  Epilobium oreganum Joseph P. Tracy 1933-7-25 Tracy 12835 Humboldt Grouse Mountain 1500 Comment
  SEINET10632322  Epilobium oreganum Chestnut 1888-7-28 CHESTNUT s.n. Humboldt Grouse Creek, streams F Comment
  POM232041  Epipactis gigantea I. L. Wiggins 1930-7-8 4677 Humboldt Sandstone cliffs along the Eel River, near Scotia Comment
  UC195429  Epipactis gigantea Joseph P. Tracy 1915-6-27 4655 Humboldt about 2 mi above Carlotta; Northern Coast Ranges, Yager Creek 91 Comment
  UC667934  Equisetum hyemale subsp. affine Joseph P. Tracy 1937-3-21 15234 Humboldt near Grizzly Creek Van Duzen River 91 Comment
  CHSC26755  Equisetum telmateia subsp. braunii M. S. Taylor 1977-8-5 1430 Humboldt Around bridge over Eel River, at the turnoff from Hwy 101 to Ferndale, in Fernbridge. Comment
  HSC36227  Equisetum telmateia subsp. braunii John Rehling 1975-4-21 52 Humboldt Along Jolly Giant Creek behind HSU campus. Comment
  HSC880  Equisetum telmateia subsp. braunii D. B. Bader 1963-3-1 10 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  RSA239690  Equisetum telmateia var. braunii Larry E. DeBuhr 1973-4-23 986 Humboldt Richardson Grove Redwood State Park. Comment
  RSA10056  Eragrostis hypnoides Joseph P. Tracy 1931-9-7 9663 Humboldt Trinity River Valley, at Willow Creek. Comment
  UC249801  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1923-9-10 6545 Humboldt Trinity River Valley near South Fork; Northern Coast Ranges, Trinity River Valley, nr South Fork 182 Comment
  CHSC68552  Erechtites glomeratus Vernon H. Oswald 1997-4-29 8350 Humboldt Humboldt Bay NWR, levee north of Long Pond along the arm of South Humboldt Bay separating Teal Island from the main part of the refuge. Comment
  HSC5494  Erechtites minimus H. E. Parks Sep 1931 1058 Humboldt Trinidad 76 Comment
  RSA783323  Erica lusitanica R. R. Halse 2010-3-25 7855 Humboldt Along US Hwy 101 ca. 9.7 miles S of Orick. 5 Comment
  CAS-BOT-BC131506  Ericameria arborescens H. E. McMinn 1922-8-3 476 Humboldt Mt. slope above S.F., Eel River Comment
  UC912295  Erigeron biolettii Herbert L. Mason 1928-7-14 4908 Humboldt near Garberville; East Fork Eel River Comment
  CAS-BOT-BC296110  Erigeron foliosus var. confinis Marcus E. Jones 1931-7-16 29149 Humboldt Junction east of Arcata Comment
  UC1199403  Erigeron foliosus var. confinis Joseph P. Tracy 1927-5-14 8006 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC29848  Erigeron glaucus Thomas W. Nelson 1971-11-11 596 Humboldt Sand dunes at the foot of Murray Rd. McKinleyville Comment
  HSC5525  Erigeron glaucus D. E. Anderson 1961-8-25 1755 Humboldt 1.5 mi. S of Trinidad Comment
  SEINET11842961  Erigeron glaucus F. H. Utech 1986-1 86 -408 Humboldt Cape Mendocino, along Pacific Ocean 6 Comment
  HSC5562  Erigeron inornatus var. inornatus M. H Manning 1901-7-25 311 Humboldt Bald Hill near Hoopa Comment
  HSC97452  Erigeron klamathensis Cara Witte 2007-6-7 219 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1371 Comment
  CAS-BOT-BC214584  Erigeron philadelphicus L. R. Abrams 1916-7-11 6051 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  JEPS41364  Erigeron philadelphicus var. philadelphicus Joseph P. Tracy 1912-6-9 3651 Humboldt Alton Northern Coast Region, Alton 30 Comment
  JEPS57404  Erigeron philadelphicus var. philadelphicus L. R. Heckard with T. I. Chuang 1968-7-4 1980 Humboldt n end Big Lagoon Comment
  HSC12218  Eriodictyon californicum Gary J. Stebbins 1970-4-27 73 Humboldt Along Hwy. 299, 4.5 mi. E of Willow Creek Comment
  HSC74751  Eriogonum compositum Gail Newton 1981-7-10 2220 Humboldt Near Board Camp Butte 1494 Comment
  UC1198150  Eriogonum latifolium Joseph P. Tracy 1938-6-17 15960 Humboldt near ocean shore (s of point of Cape); Cape Mendocino 3 Comment
  CAS-BOT-BC259532  Eriogonum luteolum var. luteolum Marcus E. Jones 1931-7-16 28862 Humboldt Junction, East of Arcata Comment
  UC6566  Eriogonum luteolum var. luteolum C. C. Marshall 1888-1 Humboldt Comment
  UC672891  Eriogonum luteolum var. luteolum Joseph P. Tracy 1938-8-14 16120 Humboldt mountain slopes w mouth of South Fork Trinity River; South Fork Trinity River 304 Comment
  CAS-BOT-BC261495  Eriogonum nudum var. nudum Harley P. Chandler 1901-6-1 1491 Humboldt Klamath River 304 Comment
  CAS-BOT-BC261496  Eriogonum nudum var. nudum Doris Kildale 1931-6-6 10864 Humboldt Gans Prairie, Orick - Weitchpec road Comment
  HSC98531  Eriogonum nudum var. nudum Cara Witte 2007-7-8 445 Humboldt Board Camp Mountain. Trail 4E28. 1496 Comment
  RSA44500  Eriogonum nudum var. nudum H. M. Pollard 1947-8-22 s.n. Humboldt Klamath River bed near Fontana's Fishing Lodge, Orleans region Comment
  RSA46699  Eriogonum nudum var. nudum Doris K. Kildale 1927-6-25 3582 Humboldt Ettersburg Comment
  UC672902  Eriogonum nudum var. oblongifolium Joseph P. Tracy 1934-6-19 13236 Humboldt vicinity Carlotta 30 Comment
  UC275279  Eriogonum roseum Joseph P. Tracy 1923-9-10 6547 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC40826  Eriogonum strictum var. greenei Thomas W. Nelson, James Nelson 1976-7-26 3041 Humboldt Middle pk. of Mt. Lassic group 1738 Comment
  HSC98098  Eriogonum umbellatum var. goodmanii Cara Witte 2007-6-20 307 Humboldt Forest Service Road 4N32. 1 mile south of intersection with 4N32E. 1386 Comment
  RSA0070496  Eriogonum umbellatum var. nelsoniorum Thomas W. Nelson 1973-7-10 1032 Humboldt Humboldt-Trinity Co. line. Mt Lassic (Signal Peak). 1790 Comment
  HSC55087  Eriogonum umbellatum var. polyanthum G. L. Clifton, Griswold 1979-7-31 11755 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC301009  Eriophyllum lanatum var. achilleoides Harley P. Chandler 1901-5-1 1234 Humboldt North Coast Ranges. Humboldt Bay 30 Comment
  CAS-BOT-BC301018  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-21 10662 Humboldt Vanduzen [Van Duzen] River Comment
  UC129577  Eriophyllum lanatum var. achilleoides Joseph Burtt Davy and Walter C. Blasdale 1899-6 5379 Humboldt near Harris Comment
  HSC97466  Eriophyllum lanatum var. achilleoides Cara Witte 2007-5-29 129 Humboldt White Oak Opening. Along Kinsey Ridge. 1238 Comment
  UC165786  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1903-5-24 1917 Humboldt Alder Point Northern Coast Ranges, Eel River 152 Comment
  CAS-BOT-BC301180  Eriophyllum lanatum var. arachnoideum Carl B. Wolf 1927-8-29 1193 Humboldt 7 mi. s. of Ferndale & Capetown, Bear River Ridge--Mt. Glen Comment
  UC1199139  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1911-7-6 3366 1/2 Humboldt near Willow Creek (hill slopes at w side of Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  UC1223128  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1944-7-3 17480 Humboldt at Willow Creek; Trinity River Valley 152 Comment
  HSC32224  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1970-6-24 2214 Humboldt Ridge on Big Hill Rd., E of Hoopa 1189 Comment
  CAS-BOT-BC301923  Eriophyllum staechadifolium W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Penninsula [Peninsula] Comment
  HSC8496  Erodium cicutarium D. B. Bader 1963-3-1 30 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101. Comment
  JEPS61382  Erodium cicutarium Lincoln Constance 1934-5-27 702 Humboldt s end Dyerville Bridge (South Fork Eel River); , Bull Creek Region 45 Comment
  SEINET13944098 Image available Eryngium aristulatum Joseph P. Tracy 1912-1 3777 & 4001 Humboldt Alton, Altitude ca 100 to 300 ft 91 Comment
  HSC44569  Erysimum capitatum var. capitatum Brad Klipfel 1973-7-15 187 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  JEPS53584  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt sand dunes of ocean beach Northern Coast Region, Humboldt Bay Comment
  SEINET8371203  Erythranthe dentata L. F. Henderson 1933-5-27 15635 Humboldt Arcata-Redding road. Comment
  UC30098  Erythronium californicum Mrs. M. H. Manning 1902-3 Humboldt near Hupa Comment
  HSC45265  Erythronium californicum M. Alcasas 1978-6-3 114 Humboldt Titlow Hill Rd., 1.6 mi. from Hwy. 299 1479 Comment
  UC1197646  Erythronium grandiflorum Joseph P. Tracy 1932-7-15 10600 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  HSC70227  Erythronium grandiflorum subsp. grandiflorum M. A. Baker 1980-6-8 1890 Humboldt Near Buck Flat. 1554 Comment
  HSC34508  Erythronium oregonum subsp. leucandrum J. D. Ackerman 1975-5-3 437 Humboldt 3.5 mi. E of Chezem Rd. and Hwy. 299 intersection, W of Redwood Creek Comment
Read comments
Mar 11 2013
  UC1586940  Erythronium purpurascens Juha Pykala and D. H. Norris 1987-6-11 1586 Humboldt s North Trinity Mountain (w of Crogan Hole); North Trinity Mountain Wilderness Area 1550 Comment
  JEPS88924  Erythronium revolutum Harley P. Chandler Jun 1901 1279 Humboldt Hupa Indian Reservation 1066 Comment
  RSA168935  Erythronium revolutum Joseph P. Tracy 1950-5-7 18650 Humboldt Near the Redwood House but on Yager Slope, head of South Yager Comment
  UC666963  Erythronium revolutum Joseph P. Tracy 1927-5-15 8064 Humboldt woods at head Pine Creek; Hoopa Mountain 1066 Comment
  CAS-BOT-BC403033  Eschscholzia californica L. R. Abrams 1916-7-11 6058 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  UC183669  Eschscholzia californica Joseph P. Tracy 1912-7-26 3853 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  JEPS51802  Eschscholzia californica Joseph P. Tracy 1933-7-16 12793 Humboldt South Fork Mt. North Coast Ranges (top of w slope, near county line) 1676 Comment
  UC581737  Eucephalus ledophyllus Joseph P. Tracy 1932-7-15 10601 Humboldt ridges e of Corral Prairie; Trinity Summit 1828 Comment
  RSA93311  Eucephalus tomentellus R. S. Woglum 1938-8-28 1974 Humboldt Patrick Creek Comment
  UC1222481  Euchiton involucratus Joseph P. Tracy 1948-9-26 18232 Humboldt 6 mi se Arcata (at s end of Fickle Hill); Fickle Hill 609 Comment
  JEPS20472  Euchiton sphaericus Joseph P. Tracy 1936-8-23 15162 Humboldt Carlotta 30 Comment
  CAS-BOT-BC310495  Euchiton sphaericus John Thomas Howell 1936-8-29 12888 Humboldt Eel River 16 miles n. of Garberville Comment
  CAS-BOT-BC206801  Euonymus occidentalis Henry M. Pollard 1948-7-22 s.n. Humboldt Perch Creek near Orleans Comment
  POM208999  Euonymus occidentalis Lincoln Constance 1934-6-11 855 Humboldt Cabin Creek bridge on Dyerville-Bull Creek Flat road. Humboldt Redwood Park. 52 Comment
  UC1198984  Euphorbia crenulata Joseph P. Tracy 1926-4-11 7409 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  HSC98864  Euphorbia crenulata Cara Witte 2008-8-5 992 Humboldt Forest Service Road 4N06. 1/4 mile east of intersection with National Forest 1. 1233 Comment
  RSA498945  Euphorbia crenulata M. S. Jussel 1931-5-2 s.n. Humboldt 6 miles from Garberville. Comment
  HSC12567  Euphorbia peplus D. La Conte 1970-6-15 6 Humboldt Comment
  CDA17336  Euphorbia virgata B. Freeman 2004-8-18 PDR 1403789 Humboldt Klamath Ranges; Mouth of Camp Creek, Hwy 96, Orleans. 0 Comment
  JEPS31927  Eurybia radulina W. L. Jepson 1936-8-13 17895 Humboldt n of, Tuttle Ranch Garberville Comment
  UC202856  Euthamia occidentalis Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  HSC96650  Euthamia occidentalis Thomas W. Nelson, Dick Brummitt, Barbara Ertter 2004-7-4 9282 Humboldt Trinity River Bar down stream from the mouth of Willow Creek 152 Comment
  HSC12021  Fallopia japonica D. Santana 1970-10-15 69 Humboldt 10th and G St. in parking lot Comment
  RSA10106  Festuca californica var. californica Joseph P. Tracy 1926-5-30 7518 Humboldt Willow Creek Canyon. 610 Comment
  RSA12524  Festuca idahoensis C. B. Wolf 1934-7-3 5912 Humboldt 21 miles from Orick on road to Weitchpec. 152 Comment
  HSC70661  Festuca occidentalis Gail Newton 1980-7-14 1544 Humboldt Near Deadman Ridge 1097 Comment
  POM126170  Festuca occidentalis Joseph P. Tracy 1900-5-22 796 Humboldt Immediate vicinity of Eureka. 0 Comment
  UCD66182  Festuca occidentalis Victor Duran 1933-5-11 3410 Humboldt Van Duzen River, near Bridgeville. Comment
  CAS-BOT-BC278971  Festuca rubra Malcom A. Nobs; S. Galen Smith 1949-8-3 1171 Humboldt Around Fields Landing Comment
  CHSC32715  Festuca rubra Thomas Nelson; Jane Nelson 1976-7-26 3024 Humboldt The Lassics. Trinity-Humboldt county line. On road cut of 1S07 west of Black Lassic. 1615 Comment
  HSC37914  Festuca rubra Peter Sorensen 1976-7-14 Humboldt Humboldt Bay, Woodley Island Comment
  UC1100358  Festuca rubra Malcolm A. Nobs and S. Galen Smith 1949-8-3 1171 Humboldt Fields Landing Comment
  UC526867  Festuca rubra Joseph P. Tracy 1927-6-8 8112 Humboldt Trinidad Northern Coast Region 60 Comment
  SEINET200341 Image available Festuca subulata Joseph P. Tracy 1936-6-17 14945 Humboldt Buck Mountain lower foothills of its NW slope 762 Comment
  UCD66433  Festuca subulata R. Tofsrud 1947-7-1 198 Humboldt Between Alder Point and Zenia. Comment
  UCD66438  Festuca subulata Joseph P. Tracy 1937-7-25 15541 Humboldt Trinity Summit, Head of Little Hors-Linto Creek. 1371 Comment
  POM206179  Festuca subuliflora H. P. Chandler 1901-1 s.n. Humboldt Humboldt Bay. Comment
  HSC102011  Floerkea proserpinacoides M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 912 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  UC1197363  Foeniculum vulgare Joseph P. Tracy 1930-10-12 9216 Humboldt Eel R. Alton to Fortuna; Eel R. 15 Comment
  HSC27020  Foeniculum vulgare Brad Klipfel 1973-8-20 282 Humboldt At Hwy 101 and Hookton Road, N of Eureka Comment
  CAS-BOT-BC453518  Fragaria chiloensis David D. Keck; J. Clausen 1935-6-16 3390 Humboldt Mouth of Little River Comment
  HSC18621  Fragaria chiloensis S. J. Hawks 1965-2-12 2 Humboldt N end of Eureka Airport Comment
  RSA296728  Fragaria chiloensis J. P. Smith 1977-6-30 9205 Humboldt Samoa Peninsula just east of the drag strip. Comment
  UC1198723  Fragaria vesca Joseph P. Tracy 1935-7-25 14237 Humboldt McKay Prairie; Trinity Summit 1584 Comment
  JEPS44683  Fragaria vesca Lincoln Constance 1934-6-8 841 Humboldt Cow Creek fire trail South Fork Eel River, Bull Creek Region (from Bull Creek road, n over divide into the headwaters of Bear Creek) Comment
  BLMAR243  Frangula californica subsp. californica Jennifer Anthony-Wheeler 1997-7-24 243 Humboldt Lacks Creek, growing beside rd with ceanothus & rubus 1219 Comment
  HSC41295  Frangula californica subsp. occidentalis Brad Klipfel 1974-7-27 495 Humboldt Horse Mtn. Comment
  HSC16192  Fraxinus latifolia J. R. Lippincott 1967-7-16 14 Humboldt 1.0mi S of Blue Lake in West End Rd. Comment
  UC906695  Fraxinus latifolia Joseph P. Tracy 1941-3-26 16814 Humboldt opposite mouth of Willow Creek; Trinity River Valley, Lack Pond 152 Comment
  UC15016  Fritillaria affinis Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  HSC15546  Fritillaria affinis F. B. Plett 1963-5-15 49 Humboldt 1.5 mi. N of Trinidad along Old Hwy. 101 Comment
  RSA90636  Fritillaria affinis Ralph Lewis 1936-4-10 s.n. Humboldt Along Redwood Highway, first bridge south of Cummings Comment
  UC1539972  Fritillaria affinis Joseph P. Tracy 1910-4-24 3122 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  HSC69634  Galium aparine R. Kalal 1980-6-3 25 Humboldt Along Samoa Blvd. 2 Comment
  UC169002  Galium bolanderi Joseph P. Tracy 1911-7-6 3361 Humboldt mountain slopes along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges 762 Comment
  HSC100642  Galium californicum Carl C. Marshall Jul 1887 400 Humboldt Spruce Grove. Comment
  HSC41336  Galium muricatum Brad Klipfel 1974-9-7 564 Humboldt Horse Mtn. Comment
  JEPS52840  Galium muricatum Lauramay T. Dempster 1963-9-3 3919 Humboldt s Orleans (steep w-facing slope of side canyon); Slate Creek Bridge 94 Comment
  UC1196100  Galium parisiense Joseph P. Tracy 1934-7-9 13353 Humboldt Dobbyn Creek 152 Comment
  HSC58074  Galium triflorum G. L. Clifton, Griswold 1979-8-1 11968 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC67840  Galium triflorum J. P. Smith 1971-10-9 5011 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC19780  Galium triflorum Jana Kattenhorn 1970-10-19 86 Humboldt Up Jolly Giant Creek from dorms Comment
  POM87665  Galium triflorum L. R. Abrams 1922-6-25 8301 Humboldt Near northern boundary. Comment
  UC169075  Galium triflorum Joseph Burtt Davy and Walter C. Blasdale 1899-6-11 5470 Humboldt near Elk Prairie (Fruitland); North Coast Ranges Comment
  HSC26353  Gamochaeta ustulata T. O. Osborne 1970-9-16 54 Humboldt Trinidad Bay, Prisoner Rock Comment
  UC166543  Gamochaeta ustulata Joseph P. Tracy 1911-7-9 3462 Humboldt near mouth of Willow Creek; North Coast Ranges, Valley of Trinity River, Willow Creek 152 Comment
  UC1196889  Garrya buxifolia Joseph P. Tracy 1938-6-13 15906 Humboldt Horse Mountain 1402 Comment
  CAS-BOT-BC188538  Garrya elliptica Doris K. Kildale 1926-8-25 2550 Humboldt Mouth of Luffenholtz Creek near Trinidad Comment
  UC183578  Garrya elliptica Joseph P. Tracy 1913-3-2 4011 Humboldt Eureka; Northern Coast Region 0 Comment
  UC314603  Garrya elliptica Joseph P. Tracy 1925-8-14 7231 Humboldt near Samoa (on Humboldt Bay); Northern Coast Region 6 Comment
  CAS-BOT-BC182174  Garrya fremontii Henry M. Pollard 1948-8-4 s.n. Humboldt Orleans Mt. Trail 1371 Comment
  RSA21606  Garrya fremontii Carl B. Wolf 1937-8-13 9228 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  UC668299  Garrya fremontii Joseph P. Tracy 1935-7-29 14342 Humboldt Trinity Summit; near ranger station 1828 Comment
  CAS-BOT-BC56297  Gaultheria ovatifolia R. Bacigalupi; L. Constance; J. P. Tracy; R. Moran; R. L. Rodriguez; S. Carlquist 1951-6-14 3413 Humboldt Meadow at Snow Camp, ridge between Mad River and Redwood Creek, Bald Mountain 1432 Comment
  UC314635  Gaultheria ovatifolia Joseph P. Tracy 1926-6-27 7670 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  UC562736  Gaultheria ovatifolia Joseph P. Tracy Jul 16 1930-Jul 19 1930 9022 Humboldt near McKay Camp (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  CHSC68497  Gaultheria shallon Vernon H. Oswald 1997-4-10 8328 Humboldt Elk Head, north end of Trinidad State Beach. 30 Comment
  HSC31342  Gaultheria shallon Larry E. DeBuhr, G. D. Wallace 1972-5-22 607 Humboldt 25 mi. N of Arcata at the S end of Big Lagoon Comment
  HSC38934  Gaultheria shallon Linda M. Barker 1976-5-13 1482 Humboldt 3 mi. W of Arcata. Comment
  RSA134599  Gaultheria shallon P. C. Everett, E. K. Balls, George B. Everett 1959-10-25 23964 Humboldt 10 mi. NE from Blue Lake, U.S. Hwy. 299, Arcata to Willow Creek. 457 Comment
  RSA1367  Gaultheria shallon E. R. Johnson 1929-08 612 Humboldt Eel River. 91 Comment
  UCSB19651  Gaultheria shallon Lowery, Jos. 1962-08 Humboldt Willow Springs, Mts. ca. 30 mi. E of Eureka 457 Comment
  HSC54671  Gayophytum diffusum subsp. parviflorum Overton, Butler 1979-7-25 9910 Humboldt Near Grouse Mtn., close to the town of Willow Creek 1646 Comment
  HSC55073  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Griswold 1979-7-31 11657 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC505108  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy Jul 16 1930-Jul 19 1930 9069 Humboldt near McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  POM214930  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1930-7-16 9069 Humboldt Northern Coast Ranges: South Fork Mountain; openings in fir forest near McKay Camp. 1677 Comment
  POM223145  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1930-7-16 9051 Humboldt North Coast Ranges: South Fork Mountain, open glades along summit near Blake lookout 1738 Comment
  UC153983  Gentiana affinis var. ovata J. P. Tracy 1904-8-7 2139 Humboldt immediate vicinity Eureka (open grassy lands) 0 Comment
  UC1173685  Gentiana calycosa Joseph P. Tracy 1939-8-16 16412 Humboldt Horse Mountain Northern Coast Ranges (serpentine formation) 1402 Comment
  HSC34277  Gentiana plurisetosa K. Irwin 1975-8-13 Humboldt North Trinity Mtn. Area, below Mill Creek Lake Comment
  OBI14114  Gentiana sceptrum Carl B. Wolf 1937-9-12 9328 Humboldt Big Lagoon, S side along Redwood hwy 6 Comment
  UC562302  Gentiana sceptrum Joseph P. Tracy 1927-8-22 8338 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC165804  Geranium carolinianum J. P. Tracy 1901-6-23 1186 Humboldt immediate vicinity of Eureka 0 Comment
  UC195434  Geranium dissectum Joseph P. Tracy 1915-6-27 4656 Humboldt Carlotta 60 Comment
  HSC45071  Geranium dissectum R. Sutherland 1978-5-12 10 .12578 Humboldt 282 Comment
  HSC8655  Geranium molle Francis Winter 1960-4-30 Humboldt Samoa Peninsula, 6 mi. W of Arcata. Comment
  UC492183  Geum macrophyllum var. perincisum Joseph P. Tracy 1932-7-14 10540 Humboldt at Corral Prairie, Klamath Mountains, Trinity Summit Corral Prairie; Klamath Mountains, Trinity Summit, Corral Prairie 1524 Comment
  HSC35933  Gilia capitata subsp. capitata Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2026 Humboldt French Camp, Bald Hills Comment
  JEPS69518  Gilia capitata subsp. capitata Joseph P. Tracy 1935-6-23 13995 Humboldt French Camp Ridge 1066 Comment
  RSA21031  Gilia capitata subsp. pacifica C. B. Wolf 1937-8-11 8901 Humboldt Fleener Creek, 0.5 mile south of Centerville. 46 Comment
  UC1197922  Gilia capitata subsp. pacifica Joseph P. Tracy 1921-5-30 5498 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC95589  Gilia millefoliata Andrea Pickart 2002-5-20 105 Humboldt Manila Dunes, near Manila Community Services District treatment area 15 Comment
  HSC100594  Gilia squarrosa Carl C. Marshall Sep 1886 245 Humboldt Fields near Arcata. Comment
  UC582540  Glebionis segetum Joseph P. Tracy 1932-5-30 10125 Humboldt Rohnerville 91 Comment
  SEINET267676 Image available Glyceria fluitans Gordon Leppig 1995-4-6 243 Humboldt Arcata Alder Grove Pond. 12 Comment
  CAS-BOT-BC282850  Glyceria striata Joseph P. Tracy 1925-7-5 7170 Humboldt Bald Mountain near High Prairie 1066 Comment
  HSC58110  Gnaphalium palustre G. L. Clifton, Griswold 1979-8-1 12058 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  JEPS20477  Gnaphalium palustre Joseph P. Tracy 1933-8-30 13043 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain (bed of dried up pond) 1524 Comment
  POM358894  Gnaphalium palustre H. E. Parks, S. T. Parks 1937-08 24080 Humboldt Spruce Cove, Trinidad. Comment
  JEPS34049  Gnaphalium palustre Lincoln Constance 1934-6-12 871 Humboldt Bull Creek road and n bank of South Fork Eel River (Dyerville); , Bull Creek Region, Dyerville Comment
  SFV18597  Gnaphalium palustre T. W. Nelson, J. P. Nelson 1987-7-4 8625A Humboldt South of Lundbarhills area. Along logging roads where vernally wet. 61 Comment
  UC1199342  Gnaphalium palustre Joseph P. Tracy 1927-9-4 8364 Humboldt sand dunes near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  HSC99539  Goodyera oblongifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 204 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  IRVC21928  Goodyera oblongifolia J. W. Johnson Jul 1962 1075 Humboldt Base of the Samoa Peninsula in the Lamphere-Christensen Dunes Preserve. Comment
  HSC98225  Goodyera oblongifolia A. M. Montalvo, J. D. Ackerman 1974-7-17 374 Humboldt About 7 mi. E of Carlotta, off Hwy. 36. Redwood Grove, E of Van Duzen Grove County Park. Van Duzen River Valley. 61 Comment
  HSC53979  Gratiola ebracteata Griswold, Butler 1979-7-11 7054 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  HSC79363  Grindelia hirsutula Kenneth Clark 1980-5-10 655 Humboldt S-facing bluffs of Point Delgada 8 Comment
  HSC90398  Grindelia hirsutula Jean Hanson 1980-8-28 115 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. Across from the Guard Station. From ca. 20 to ca. 50 ft. from high tide line. Comment
  HSC95525  Grindelia hirsutula Andrea Pickart 2002-7-19 184 Humboldt Arcata Marsh at Jolly Giant Creek mile .1 10 Comment
  UC370617  Grindelia hirsutula J. P. Tracy 1925-8-30 7255 Humboldt Big Lagoon Comment
  UC897043  Grindelia hirsutula John Thomas Howell 1937-7-31 13720 Humboldt salt marsh bordering Humboldt Bay at Arcata; Humboldt Bay Comment
  JEPS55579  Hackelia californica Joseph P. Tracy 1932-7-12 10428 Humboldt at Corral Prairie Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC61032  Hastingsia alba T. Jimerson, J. Pageau 1979-8-10 731 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  RSA168831  Helenium bigelovii Joseph P. Tracy 1949-8-11 18462 Humboldt Snow Camp. 1402 Comment
  UC582671  Helenium bigelovii Joseph P. Tracy 1937-8-12 15627 Humboldt Lake Prairie Bald Mountain, Lake Prairie 1066 Comment
  HSC36271  Helenium bolanderi John Rehling 1974-8-22 34 Humboldt Big Lagoon Bog along the dryer margins Comment
  JEPS35531  Helenium bolanderi W. L. Jepson 1921-8-7 9325 Humboldt 0.5 to 2 mi back from ocean between Mad River Little River; Dow's Prairie Comment
  HSC98351  Helminthotheca echioides J. P. Smith 1976-11-21 9001 Humboldt Arcata, at the foot of I St. Comment
  HSC39616  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-15 2720 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC70841  Hemizonella minima M. A. Baker 1980-6-7 1788 Humboldt Near Brush Mtn. 1128 Comment
  UC1199292  Hemizonella minima Joseph P. Tracy 1933-7-25 12867 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  CAS-BOT-BC306035  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Northern Coast Ranges. Dobbyn Creek 152 Comment
  JEPS12643  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1928-9-2 8494 Humboldt Dobbyn Creek Northern Coast Ranges 152 Comment
  UC1223094  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1950-6-23 18864 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  CAS-BOT-BC306036  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1930-9-1 9174 Humboldt Northern Coast Ranges. Miranda; along South Fork of Eel River 121 Comment
  CAS-BOT-BC309985  Hemizonia congesta subsp. tracyi H. E. Parks; J. P. Tracy 1930-5-25 0880 Humboldt Near Bridgeville Comment
  CAS-BOT-BC309986  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-7-12 7200 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork 304 Comment
  CAS-BOT-BC309997  Hemizonia congesta subsp. tracyi L. R. Abrams 1916-7-11 6030 Humboldt Mouth of Grizzly Creek on Van Duzen River Comment
  UC249839  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1923-6-24 6357 Humboldt around Murphy Meadow; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC450002  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1923-6-20 6337 Humboldt near Briceland; North Coast Ranges 304 Comment
  RSA259569  Hemizonia tracyi Thomas W. Nelson, Jane, James Nelson 1975-6-21 1950 Humboldt Hwy 36, 5 miles east of Bridgeville Comment
Read comments
Jan 3 2011
  CAS-BOT-BC388492  Herniaria hirsuta var. cinerea Henry M. Pollard 1946-8-13 s.n. Humboldt Klamath River, near Orleans Comment
  HSC13055  Hesperocyparis macrocarpa C. E. Fellows 1970-12-7 368 Humboldt HSC Campus, Arcata Comment
  UC1212225  Hesperolinon adenophyllum Joseph P. Tracy 1946-8-25 17646 Humboldt Alton to Fortuna (on gravel bars); Eel River 15 Comment
  UC1116245  Heterocodon rariflorum Joseph P. Tracy 1942-6-15 17158 Humboldt Garberville 304 Comment
  UC168968  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2199 Humboldt Eureka; Northern Coast Region 0 Comment
  SEINET10460687  Heterocodon rariflorum Lincoln Constance Constance 915 Humboldt GRASSHOPPER PEAK 3000 Comment
  JEPS44663  Heteromeles arbutifolia Lincoln Constance 1934-6-2 778 Humboldt Bull Creek road to mouth of Bull Creek (and up Bull Creek); South Fork Eel River, Bull Creek Region Comment
  JEPS45034  Heteromeles arbutifolia Joseph P. Tracy 1925-12-6 7338 Humboldt 3 mi w Bridgeville; Northern Coast Ranges, Van Duzen River 228 Comment
  UC1198758  Heteromeles arbutifolia Joseph P. Tracy 1907-8-20 2602 Humboldt near Hydesville (on Yager Creek); Northern Coast Region 60 Comment
  UCSB30616  Heterotheca oregona Edwards, David 1974-8-1 Humboldt Near E. bank of Mad River north of its junction with Puter Creek, ca. 2 mi. SW of Korbel 3 Comment
  UC620692  Heterotheca oregona var. rudis S. K. Harris 1938-8-24 881 Humboldt near Fernbridge (sand of Eel River); Eel River Comment
  CAS-BOT-BC420725  Heuchera micrantha var. diversifolia Lincoln Constance; Reed C. Rollins 1942-5-12 2883 Humboldt Mouth of Bluff Creek, 6 miles NE of Weitchpec 152 Comment
  HSC57107  Hieracium albiflorum Overton, Butler 1979-7-25 9845 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC582414  Hieracium albiflorum Joseph P. Tracy 1933-8-30 13039 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC56999  Hieracium bolanderi Overton, Butler 1979-7-24 9580 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  UC573684  Hierochloe occidentalis H. S. Yates 1936-6-22 5850 Humboldt 4 mi ne Bald Mt.; China Flat Quadrangle Comment
  HSC59801  Hippuris vulgaris Clark L. Miller 1979-5-24 7155 Humboldt Clam beach ponds off Hwy. 101 N of McKinleyville Comment
  HSC26474  Hippuris vulgaris John R. Keith 1973-5-9 Humboldt 300 yds. E of junction of Guintoli Ln. and West End Rd. Comment
  HSC10141  Holcus lanatus D. E. Anderson 1961-8-11 1730 Humboldt E of Humboldt State College campus. 30 Comment
  HSC37255  Holcus lanatus Lon Hall 1975-6-19 391 Humboldt About 2 mi. N of Shelter Cove Rd. on Horse Mtn. Rd. 549 Comment
  HSC37948  Holcus lanatus Peter Sorensen 1976-6-16 Humboldt Woodley Island. Comment
  POM352400  Holcus lanatus Thekla Mohr 1918-07 3344 Humboldt Eel River. Comment
  BLMAR686  Holodiscus discolor Jennifer Wheeler 2013-6-25 686 Humboldt King range, Strawberry Rock 62 Comment
  CAS-BOT-BC149909  Holodiscus discolor C. C. Harris; S. K. Harris 1936-6-9 329 Humboldt Behind Mrs. Wilder's, Carlotta Comment
  JEPS45041  Holodiscus discolor W. L. Jepson 1902-7-29 2125 Humboldt Willow Creek; Three Creeks; Expedition from Ukiah to the Hupa Indian Reservation; Willow Creek to Three Creeks, near summit 914 Comment
  UC154211  Holodiscus discolor Joseph P. Tracy 1901-7-31 1231 Humboldt near Hydesville (Northern Coast Region); Northern Coast Region 60 Comment
  UCSC000355  Holodiscus discolor H. L. Person 1932-6-25 s.n. Humboldt E. of Korbel Korbel - Eureka Comment
  UC1103487  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1942-9-20 17326 Humboldt 2 mi S of (town) Field's Landing 6 Comment
  UC34063  Hordeum marinum subsp. gussoneanum J. P. Tracy 1901-6-16 1144 Humboldt immediate vicinity Eureka; immediate vicinity Eureka 0 Comment
  HSC104057  Hordeum murinum C. Reynolds 2015-4-28 41 Humboldt Along trail through Arcata Marsh, near Interpretive Center 5 Comment
  CAS-BOT-BC284893  Hordeum murinum subsp. leporinum Henry M. Pollard 1948-7-26 s.n. Humboldt Orleans Comment
  HSC23680  Horkelia tridentata var. flavescens D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5054 Humboldt ca. 6 miles W of Hoopa, along road from Redwood Creek to Hoopa Comment
  HSC76236  Horkelia tridentata var. flavescens Denis Kearns 1981-7-6 83 Humboldt Near Mosquito Lake 1256 Comment
  CAS-BOT-BC537894  Horkelia tridentata var. flavescens Lincoln Constance; Alan A. Beetle; Joseph P. Tracy 1940-5-17 2613 Humboldt Larabee Valley, near Eureka 762 Comment
  HSC44374  Hosackia crassifolia Thomas W. Nelson, Jane P. Nelson 1977-7-4 3614 Humboldt Along road N of Alder Springs. 1524 Comment
  NY15458  Hosackia denticulata V. K. Chesnut 1888-7-10 s.n. Humboldt Along Mad River, near Jarnigan's Comment
  HSC102115  Hydrophyllum fendleri var. albifrons M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1019 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1762196  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1932-7-15 10602 Humboldt Trinity Summit, ridges E of Corral Prairie 1828 Comment
  UC1239766  Hydrophyllum occidentale Joseph P. Tracy Jul 16 1930-Jul 19 1930 9085 Humboldt South Fork Mountain Northern Coast Ranges (near McKay Camp) 1676 Comment
  UC562600  Hydrophyllum occidentale Joseph P. Tracy 13955 Humboldt lower foothills nw slope Buck Mountain 792 Comment
  HSC102178  Hypericum anagalloides M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1091 Humboldt Patterson Meadows 1555 Comment
  JEPS66783  Hypericum anagalloides Lincoln Constance 1934-6-25 922 Humboldt 4 mi. n. Dyverville (and of n. boundary of Humboldt Redwood Park, on Redwood Hwy, Englewood); S. Fork Eel R., Bull Creek Region, Englewood Comment
  UC1198410  Hypericum anagalloides Joseph P. Tracy 1913-6-1 4076 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  POM285808  Hypericum perforatum Lyman Benson 1928-7-14 522 Humboldt Spring 10 miles N of Mendocino Line, Redwood highway. 457 Comment
  CAS-BOT-BC401303  Hypericum scouleri Doris K. Kildale 1926-7-9 2337 Humboldt Bayside Comment
  CAS-BOT-BC312887  Hypochaeris glabra Alice Eastwood 1923-8-16 12326 Humboldt Carlotta Comment
  HSC103990  Hypochaeris glabra M. F. Norman 2015-4-11 4 Humboldt Arcata, Ma-le'l Dunes Comment
  HSC34584  Hypochaeris glabra A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  RSA246946  Hypochaeris radicata R. F. Thorne, P. C. Everett 1965-8-8 35235 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  HSC96744  Iliamna latibracteata M. Mesler 2006-7-28 625 Humboldt E of Grouse Mtn., 2.1 mi. from NF 1, below road. 1448 Comment
  UC1103805  Ionopsidium acaule Joseph P. Tracy 1933-3-12 10919 Humboldt Ferndale, St. Mary's Cemetery Ferndale; North Coast Ranges, , St. Mary's Cemetery 15 Comment
  HSC13868  Iris douglasiana K. P. St. John 1965-4-3 9 Humboldt Dry Lagoon State Park, 13 mi. N of Trinidad Comment
  HSC23734  Iris douglasiana Tim Baroni 1971-7-5 101 Humboldt 8 mi. E of Petrolia Comment
  HSC13863  Iris douglasiana W. R. Brigham 1962-5-20 19 Humboldt End of old Hwy. 101, N of Big Lagoon Rd. Comment
  JEPS17228  Iris douglasiana Joseph P. Tracy 1935-6-23 14001 Humboldt road e Orick; Bald Hills 609 Comment
  HSC100502  Iris macrosiphon Carl C. Marshall Jun 1885 28 Humboldt In the redwoods. Comment
  SEINET3876005  Iris purdyi Thomas Nelson, Jane P. Nelson; James Nelson 1975-6-14 1907 Humboldt At end of road to Pine Mountain.; 0 Comment
  HSC43791  Iris tenax subsp. klamathensis Greg Leisten 1976-5-17 Humboldt 2 mi. off Ishi Pishi Rd. on Maple Springs Rd., Reece Homestead Area Comment
  NY22146  Iris tenax subsp. klamathensis L. W. Lenz 1953-5-13 18296 Humboldt Wooded hillsides along Klamath River, Orleans Comment
  HSC73242  Iris tenuissima M. A. Baker 1980-5-18 1339 Humboldt Near Black Mtn. 792 Comment
  RSA136343  Iris tenuissima Lee W. Lenz, E. K. Balls 1952-5-12 17197 Humboldt 0.5 miles west of Dinsmore on Highway 36 from Alton to Red Bluff Comment
  UC503070  Isoetes howellii Joseph P. Tracy 1930-6-15 8746 Humboldt Larrabee Creek near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  HSC90644  Isolepis cernua Gail Newton 1982-5-2 2513 Humboldt Elk River Wildlife Area, Eureka Comment
  RSA246917  Isolepis cernua Robert F. Thorne, Percy C. Everett 1965-8-7 35215 Humboldt Samoa Peninsula: near sea level Comment
Read comments
Sep 12 2018
  HSC96363  Isolepis setacea Gordon Leppig 1999-10-3 1257 Humboldt Big Lagoon Bog, Big Lagoon County Park 3 Comment
  JEPS79910  Isopyrum stipitatum Joseph P. Tracy 1935-5-5 13802 Humboldt Kneeland Prairie 822 Comment
  UCR122380  Jaumea carnosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 7004 Humboldt North Coast, north spit of Samoa Peninsula, 0.5 mi north of CA Hwy 255 bridge over Humboldt Bay 6 Comment
  UC741148  Jaumea carnosa C. C. and S. K. Harris 1939-8-26 994 Humboldt salt marsh south shore Humboldt Bay Comment
  RSA168844  Juncus articulatus Joseph P. Tracy 1938-8-14 16114 Humboldt Hillside west of mouth of South Fork. Trinity River Valley , near the South Fork 183 Comment
  UC249542  Juncus bolanderi Joseph P. Tracy 1921-10-16 5971 Humboldt near Willow Creek (mouth of South Fork Trinity River); Northern Coast Ranges, Trinity River Valley 152 Comment
  RSA32913  Juncus breweri A. A. Heller 1929-8-4 s.n. Humboldt Little River. Comment
  UCD141534  Juncus ensifolius Malcolm A. Nobs; S. Galen Smith 1949-8-3 1199 Humboldt Southern outskirts of Eureka. Comment
  UC1152097  Juncus ensifolius Joseph P. Tracy 1938-7-12 16053 Humboldt w end Table Bluff Comment
  HSC39048  Juncus falcatus Linda M. Barker 1976-6-22 1623 Humboldt 3 mi. W of Arcata Comment
  UC167841  Juncus falcatus subsp. sitchensis Schmidt Humboldt Humboldt Bay Comment
  HSC14029  Juncus lescurii C. B. Wolf 1927-8-29 1205 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC75484  Juncus mertensianus J. O. Sawyer 1980-7-18 3607 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  UC419021  Juncus phaeocephalus H. E. Parks and J. P. Tracy 1924-8-3 Humboldt Big Lagoon Comment
  HSC43841  Juncus regelii Maralyn O'Meara 1974-7-11 530 Humboldt Kneeland, Barry Ridge along private road Comment
  CAS-BOT-BC235891  Keckiella corymbosa C. Epling; Wm. Robison 1935-7-24 s.n. Humboldt Dyerville Comment
  JEPS11139  Keckiella corymbosa Joseph P. Tracy 1937-7-11 15422 Humboldt vicinity Garberville 121 Comment
  SEINET12269343  Keckiella corymbosa J. P. Tracy 1950-1 19315 Humboldt at Ishi-pishi Falls W side of Klamath River opposite mouth of Salmon River Comment
  CAS-BOT-BC237835  Keckiella lemmonii Marcus E. Jones 1931-7-16 28828 Humboldt Junction, East of Arcata Comment
  JEPS10901  Keckiella lemmonii Joseph P. Tracy 1929-8-4 8648 Humboldt ridge between Bull Creek and Mattole River 762 Comment
  NY790332  Keckiella lemmonii F. W. Pennell 1940-7-7 26089 Humboldt Route 299. South of Willow Creek. 182.9 Comment
  UC1245365  Keckiella lemmonii Joseph T. Gregory 1929-8-4 24 Humboldt on road from Petrolia to Dyerville (Windy Nip Gap); Windy Nip Gap Comment
  UC1196075  Kelloggia galioides Joseph P. Tracy 1932-7-13 10511 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC556337  Kickxia elatine Mrs. Emanuel Fritz 1935-1 Humboldt between Miranda and Dyerville (along Redwood Highway) Comment
  HSC32341  Koeleria macrantha D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5640 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  CAS-BOT-BC499192  Kopsiopsis strobilacea C. D. Duncan 1920-9-27 s.n. Humboldt Supply Creek Canyon Comment
  RSA0084173  Kopsiopsis strobilacea D. E. Anderson 1965-6-1 3773 Humboldt Along Friday Hill Road, about 2 miles northeast of its junction with Titlow Hill Road. 1158 Comment
  UC205187  Kyhosia bolanderi Joseph P. Tracy 1919-9-18 5252 Humboldt meadow McKay; Trinity summit 1524 Comment
  UCD133531  Lactuca saligna Joseph P. Tracy 1946-8-25 17650 Humboldt Eel River, Alton to Fortuna. 15 Comment
  UC34491  Lagophylla ramosissima Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  HSC99476  Lapsana communis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 133 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SDSU2761  Lapsana communis D. F. Howe 1959-8-4 2802 Humboldt 86 mi. west of Weaverville on #299. 305 Comment
  UC166218  Lasthenia californica subsp. californica Joseph P. Tracy 1903-5-22 1882 Humboldt Alder Point Flat Northern Coast Ranges, Eel River 152 Comment
  UC195066  Lasthenia glaberrima Joseph P. Tracy 1916-6-19 4720 Humboldt Dobbyn Creek Northern Coast Ranges, Dobbyn Creek 182 Comment
  UC552256  Lasthenia glaberrima Harold E. Parks and Joseph P. Tracy 1935-6-16 11274 Humboldt lower nw slopes Buck Mt. 792 Comment
  CAS-BOT-BC123327  Lathyrus biflorus T. W. Nelson; James L. Nelson 1980-6-10 5432 Humboldt Blocksburg Quadrangle. NE slope of Red Mountain. 1371 Comment
  CAS-BOT-BC204952  Lathyrus japonicus Doris K. Kildale 1925-7-15 1086 Humboldt Eureka Slough Comment
  JEPS55264  Lathyrus jepsonii var. californicus W. L. Jepson 1902-7-10 2010 Humboldt Martin's Ranch South Fork Trinity River Comment
  UCSB15805  Lathyrus littoralis Breedlove, Dennis 1962-6-7 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  SEINET202727  Lathyrus polyphyllus Joseph Tracy 1948-7-11 18074 Humboldt Willow Creek Canyon along Trinity Highway Comment
  SEINET956148  Lathyrus polyphyllus Joseph P. Tracy 1923-1 6344 Humboldt Bald Mt. 914 Comment
  UC1222407  Lathyrus polyphyllus Joseph P. Tracy 1946-6-15 17570 Humboldt near Green Point (w of Redwood Creek on Trinity Highway) 457 Comment
  JEPS55310  Lathyrus sulphureus Lincoln Constance 1934-5-31 757 Humboldt from w boundary of Park to Grasshopper Pk. (Squaw Cr.) rd (Bull Creek flat, along Bull Creek, n side of creek); South Fork Eel River, Bull Creek Region Comment
  UC1222402  Lathyrus torreyi Joseph P. Tracy 1943-7-18 17430 Humboldt East Fork of Willow Creek, Willow Creek Canyon, along Trinity Highway Willow Creek Canyon Comment
  UC162788  Lathyrus vestitus Joseph P. Tracy 1906-6-24 2498 Humboldt near Field's Landing (s slope of Humboldt Hill); Northern Coast Region, Humboldt Bay Region, Humboldt Hill 0 Comment
  UC931755  Lathyrus vestitus C. L. Hitchcock 1949-6-7 19083 Humboldt 0.5 mi s Pepperwood (along Highway 101) Comment
  HSC59240  Lathyrus vestitus subsp. bolanderi Clark L. Miller 1978-5-13 5125 Humboldt 2 mi. N of Trinidad State Park. Comment
  UC89177  Layia carnosa Harley P. Chandler May 1901 1150 Humboldt Humboldt Bay 3 Comment
  UC1103517  Lemna turionifera Joseph P. Tracy 1915-9-5 4667 Humboldt between Buckspot and Elk River (at Eureka); Northern Coast Region, Eureka 0 Comment
  CHSC33097  Leontodon saxatilis subsp. saxatilis J. P. Smith 1971-10-6 4966 Humboldt Dunes at the end of Murray Road in McKinleyville. Comment
  HSC98043  Lepidium campestre Cara Witte 2007-7-17 538 Humboldt Along National Forest 1. 1 mile south of Brays Opening. 1447 Comment
  CAS-BOT-BC226527  Leptosiphon acicularis M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles N. of Garberville Comment
  POM203230  Leptosiphon acicularis M. S. Jussel 1931-5-2 s.n. Humboldt 25 miles N of Garberville Comment
  OBI11411  Leptosiphon latisectus Joseph P. Tracy 1948-6-13 18048 Humboldt Near Harris (2 miles north) 610 Comment
  UC1198580  Leptosiphon latisectus Joseph P. Tracy 1947-5-10 17679 Humboldt Briceland 304 Comment
  UC176859  Lessingia nemaclada Joseph P. Tracy 1911-7-8 3445 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  HSC12543  Leucanthemum vulgare C. Kline 1970-10-26 40 Humboldt W end of School Rd., McKinleyville, above Mad River. Comment
  SEINET3072000 Image available Lewisia leeana Joseph P. Tracy 1935-7-24 14200 Humboldt Trinity summit. Near ranger station 1830 Comment
  UC526793  Leymus X vancouverensis Joseph P. Tracy 1927-6-26 8214 Humboldt Stone Lagoon Northern Coast Region 6 Comment
  RSA623752  Leymus mollis subsp. mollis T. Gertrude Williamson 1924-7-12 251 Humboldt Between Trinidad and Arcata Comment
  SEINET200641 Image available Leymus mollis subsp. mollis Joseph P. Tracy 1912-7-7 3744 Humboldt Eureka. Comment
  UC573707  Leymus mollis subsp. mollis H. S. Yates 1936-6-18 5727 Humboldt near mouth of Little River; Eureka Quadrangle 4 Comment
  UC1197176  Ligusticum apiifolium J. P. Tracy 1906-11-4 2554 Humboldt immediate vicinity Eureka (Rick's Prairie); Rick's Prairie 0 Comment
  CAS-BOT-BC436493  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt Humboldt Bay, near top of Humboldt Hill 152 Comment
  UC154113  Ligusticum apiifolium Joseph P. Tracy 1909-8-29 3084 Humboldt near top Humboldt Hill; Northern Coast Region, Humboldt Bay 0 Comment
  HSC56158  Ligusticum grayi G. L. Clifton, Terry Griswold 1979-8-1 12025 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC76432  Lilium bolanderi Teresa Prendusi 1981-7-9 233 Humboldt Near Cedar Camp 1256 Comment
  CAS-BOT-BC508397  Lilium columbianum W. R. Dudley 1899-1-1 s.n. Humboldt Big Lagoon, south of Klamath River Comment
  UC1198233  Lilium pardalinum Joseph P. Tracy 1937-7-24 15533 A Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  HSC98051  Lilium pardalinum subsp. pardalinum Cara Witte 2007-7-11 488 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  CAS-BOT-BC132967  Lilium rubescens Alice Eastwood; John Thomas Howell 1937-6-22 4730 Humboldt Near Alder Point Comment
  CAS-BOT-BC133010  Lilium washingtonianum subsp. purpurascens Henry M. Pollard 1948-7-31 s.n. Humboldt Orleans Mt. 1676 Comment
  UC1198229  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1932-7-19 10726 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC1197410  Limnanthes douglasii Joseph P. Tracy 1930-5-25 8710 Humboldt Larrabee Valley Northern Coast Ranges 670 Comment
  HSC2204  Limnanthes douglasii subsp. nivea Lincoln Constance, R. C. Rollins 1942-5-21 3000 Humboldt The Klamath and Siskiyou region , 2 mi. N of Harris 762 Comment
  HSC63016  Limnanthes douglasii subsp. nivea David Wheeler 1979-5-23 136 Humboldt About 1/2 mi. towards Bridgeville from the Jct. at High Prairie. Comment
  POM266012  Limnanthes douglasii subsp. nivea Lincoln Constance, R. C. Rollins 1942-5-21 s.n. Humboldt Two miles north of Harris. 762 Comment
  SD129683  Limnanthes douglasii var. nivea Barbara Ertter, Thomas J. Delendick 1987-5-16 6925 Humboldt Vista Point just west of Berry Summit on Highway 299, ca. 15 miles east of Arcata. 914 Comment
  SEINET200735  Linanthastrum nuttallii J. P. Tracy 1936-8-2 15063 Humboldt French Camp Ridge 1067 Comment
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  JEPS58249  Linanthus bicolor Joseph P. Tracy 1933-6-13 12576 Humboldt near summit on road from Hoopa w to Bair's; Hoopa Mountain 1066 Comment
  JEPS58421  Linanthus filipes W. L. Jepson 1902-7-11 2016 Humboldt Martin's Ranch South Fork of Trinity River Comment
  HSC39046  Linnaea borealis subsp. longiflora Linda M. Barker 1976-6-14 1588 Humboldt 3 mi. W of Arcata Comment
  SDSU8125  Linum bienne D. F. Howe 1961-8-1 Humboldt 9 miles north of Arcata on #101. Comment
  UC668021  Lipocarpha micrantha Joseph P. Tracy 1931-9-7 9650 A Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley, Willow Creek 152 Comment
  HSC27569  Listera caurina J. D. Ackerman, A. Montalvo 1973-6-29 71 Humboldt 2 mi. N of Manila Comment
  UC1222184  Listera caurina Joseph P. Tracy 1951-6-26 19555 Humboldt Snow Camp Comment
  RSA0049664  Listera cordata Dean Wm. Taylor 2011-5-4 21113 Humboldt Alderpoint Road in the vicinity of headwaters of Knack Creek 777 Comment
  UC275532  Listera cordata Joseph P. Tracy 1924-3-30 6632 Humboldt near Bridgeville; Northern Coast Ranges 182 Comment
  JEPS38042  Lithocarpus densiflorus Lincoln Constance 1934-5-24 637 Humboldt forest bordering on e side Lower Look Prairie; South Fork Eel River, Bull Creek Region 121 Comment
  RSA697655  Lithocarpus densiflorus var. densiflorus Unspecified 1936-09 s.n. Humboldt Richardson's Grove (State Park). Comment
  UC492223  Lithophragma Joseph P. Tracy 1932-4-24 9823 Humboldt South Fork of Eel River between Miranda and Redway; North Coast Ranges, South Fork of Eel River 91 Comment
  UC1196501  Lithophragma affine Joseph P. Tracy 1921-4-30 6015 Humboldt Trinity River Valley near Willow Creek (Northern Coast Ranges); , Trinity River Valley, nr Willow Creek 152 Comment
  UC1225758  Lobularia maritima Joseph P. Tracy 1947-7-8 17760 Humboldt Eureka 30 Comment
  CAS-BOT-BC283402  Lolium multiflorum Malcom A. Nobs; S. Galen Smith 1949-8-3 1177 Humboldt Salt marshes around Fields Landing Comment
  HSC10308  Lolium perenne Paul Shields 1955-6-10 Humboldt Arcata, Humboldt State University campus. Comment
  RSA32732  Lolium perenne A. A. Heller 1923-7-9 13779 Humboldt Near Arcata. Comment
  CAS-BOT-BC271059  Lolium temulentum Joseph P. Tracy 1935-5-25 13893 Humboldt Dobbyn Creek 152 Comment
  UC50698  Lolium temulentum Joseph Burtt Davy 1899-6-20 5690 Humboldt Hupa Valley Comment
  JEPS16098  Lomatium californicum W. L. Jepson 1902-6-20 1892 a Humboldt Fort Seward Ranch Ridge (= Mail Ridge) 1219 Comment
  SEINET3132617  Lomatium dasycarpum D. E. Anderson 1965-5-1 3588 Humboldt dry highway backslope along Hw. 96, 3-4 south of Weitchpec Comment
  UC1103401  Lomatium dasycarpum subsp. dasycarpum Joseph P. Tracy 1924-3-9 6610 Humboldt Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC21100  Lomatium dissectum var. multifidum Harley P. Chandler June, 1901 1340 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  HSC56003  Lomatium macrocarpum Overton, Butler 1979-7-31 11454 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  UC314596  Lomatium macrocarpum Joseph P. Tracy 1924-3-9 6611 Humboldt Kneeland Prairie 762 Comment
  HSC96279  Lomatium macrocarpum J. Breton, A. Livingston 2005-6-15 1 Humboldt NE of Grouse Mtn. 1327 Comment
  UC314598  Lomatium nudicaule Joseph P. Tracy 1925-7-26 7208 Humboldt at mouth of S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  HSC38861  Lomatium utriculatum J. P. Smith, J. O. Sawyer 1973-5-12 6678 Humboldt 3.3 mi. from Redwood Creek on Hoopa Rd. Comment
  OBI77140  Lomatium utriculatum Tracey Call, Viola Call 1964-6-20 2272 Humboldt Above Van Duzen river 7 mi east of Bridgeville Comment
  HSC58297  Lonicera conjugialis Walter Overton, Marvin Butler 1979-8-2 12570 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  HSC58307  Lonicera conjugialis Overton, Butler 1979-8-2 12589 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  POM92405  Lonicera involucrata L. R. Abrams 1922-6-25 8246 Humboldt Near South Bay. Comment
  CAS-BOT-BC241482  Lonicera involucrata var. ledebourii Mrs. A. H. Rodda 1932-5-22 s.n. Humboldt Redwood Highway Comment
  POM284249  Lonicera involucrata var. ledebourii Lyman Benson 1928-7-10 816 Humboldt Clam Beach, Trinidad. 15 Comment
  RSA89763  Lonicera ledebourii P. A. Munz 1954-7-25 19879 Humboldt behind dunes. Comment
  RSA21083  Lotus denticulatus Carl B. Wolf 1937-6-19 8911 Humboldt Van Duzen River, .3 mi. above Bridgeville. 122 Comment
  SEINET3696599 Image available Lotus douglasii Joseph P. Tracy 1911-7-6 3358 Humboldt Road between Three Creeks and mouth of Willow Creek 762 Comment
  UC162804  Lotus humistratus Joseph P. Tracy 1906-7-4 2531 Humboldt near Hydesville; Northern Coast Region, Yager Creek 60 Comment
  SEINET3560061 Image available Lotus stipularis H. E. Parks 1932-7-1 Humboldt Bishop Pine Lodge, Trinidad 61 Comment
  UC1223408  Lotus yollabolliensis Joseph P. Tracy 1933-7-16 12798 Humboldt near McKay Camp (near the top of South Fork Mountain); South Fork Mountain 1676 Comment
  CAS-BOT-BC342559  Luina hypoleuca Frank W. Peirson 1926-7-12 7026 Humboldt Klamath River near Weitchpec Comment
  RSA254752  Lupinus Thomas W. Nelson, James Nelson, A. Nelson 1973-5-28 955 Humboldt McKeown Ranch north of Dinsmore. Comment
  CAS-BOT-BC198268  Lupinus Wm. Bridge Cooke 1946-6-11 17370 Humboldt Roadside 1 mi. N of Eureka Comment
  CAS-BOT-BC201193  Lupinus L. R. Abrams 1922-6-25 8235 Humboldt 2 mi south of Fortuna Comment
  UC1223280  Lupinus adsurgens Joseph P. Tracy 1950-6-18 18849 Humboldt Wilder Ridge Comment
  UC1223277  Lupinus adsurgens Joseph P. Tracy 1933-7-26 12912 Humboldt Grouse Mountain, top of mountain 1630 Comment
  SEINET10490444  Lupinus adsurgens var. adsurgens Chestnut 1888-7-21 CHESTNUT s.n. Humboldt Type photo. W side south fork mountain. Comment
  CHSC10106  Lupinus arboreus J. W. Johnson 1961-9-3 1078 Humboldt Arcata. In the dune fields, Christenson Farm, Samoa Peninsula. Comment
  RSA246779  Lupinus arboreus var. arboreus Robert F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35166 Humboldt Samoa Dunes. 3 Comment
  HSC47063  Lupinus bicolor J. P. Smith, Thomas W. Nelson 1977-6-30 9198 Humboldt Samoa Peninsula just E of the drag strip. Comment
  UC179935  Lupinus bicolor Joseph P. Tracy 1914-7-5 4561 Humboldt High Prairie on Bald Mountain; Northern Coast Ranges, High Prairie on Bald Mountain 1066 Comment
  HSC14800  Lupinus bicolor Eugene Andreuccetti 1964-4-26 20 Humboldt 1 mi. N of Garberville on Hwy. 101 Comment
  RSA256586  Lupinus bicolor Lon Hall 1975-5-24 382 Humboldt Samoa Dunes; Dunes from off Samoa Blvd. across from the boat landing; coastal strand. Comment
  HSC79068  Lupinus breweri D. K. Imper 1984-5-17 Humboldt Across drainage E of Sims Mtn. 1220 Comment
  SEINET12154564  Lupinus latifolius J. P. Tracy 1941-1 16916 Humboldt Panther Gap on the Bull Crk - Mattole Rd Comment
  HSC97959  Lupinus latifolius subsp. viridifolius Cara Witte 2007-6-21 323 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  HSC98986  Lupinus latifolius var. latifolius Cara Witte 2008-7-2 807 Humboldt Forest Service Road 4N38. 2 miles north of intersection to Board Camp Lookout. Near gate. 1401 Comment
  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
  UC865228  Lupinus latifolius var. latifolius Elizabeth Parsons Hawver June 1915 Humboldt Carlotta Comment
  CHSC921  Lupinus littoralis M. Underhill 1952-7-13 Humboldt Near coast. 0 Comment
  SDSU4988  Lupinus littoralis D. F. Howe 1962-5-22 3259 Humboldt 0.5 miles north of Orick on #101. 30 Comment
  SD42562  Lupinus polyphyllus Carl B. Wolf 1937-8-11 9144 Humboldt 0.5 mile east of Alton. 21 Comment
  RSA414417  Lupinus rivularis Bonnie C. Templeton 1964-6-11 10073 Humboldt Between Salyer and Arcata on Highway 299 Comment
  UC15771 Image available Lupinus sylvestris Chesnut and Drew 1888-7-21 Humboldt e slope S. Fork Mt.; S. Fork Mt., Humboldt Co. Comment
  HSC70758  Luzula comosa R. York 1980-5-17 525 Humboldt Near Le Perron Peak 792 Comment
  HSC74171  Luzula comosa M. A. Baker 1980-7-23 3182 Humboldt Near Orleans Mtn. 1859 Comment
  HSC75361  Luzula comosa J. O. Sawyer, A. Erickson 1979-7-15 3416 Humboldt Adroni Research Natural Area, slopes along Aikins Creek 457 Comment
  UC1103677  Luzula comosa Joseph P. Tracy 1901-5-21 1101 Humboldt at Eureka; Northern Coast Region, at Eureka 0 Comment
  CAS-BOT-BC499137  Luzula macrantha Peter F. Zika 2011-7-3 25497 Humboldt Titlow Hill Road, 3.7 road miles SE of Rte 299 at Berry Summit, 1 air km SSW of Horse Mountain 1310 Comment
  CAS-BOT-BC441227  Luzula macrantha Joseph P. Tracy 1926-5-2 7446 Humboldt North Coast Ranges: Willow Creek Canyon, near Ruby Creek 609 Comment
  CDA39249  Luzula parviflora J. Riddell 2002-4-21 47 Humboldt Prairie Creek State Park, Gold Beach roadside. Comment
  HSC75690  Luzula parviflora Bill Copeland 1980-7-2 310 Humboldt Near Snow Camp Mtn. 1311 Comment
  UC1152125  Luzula parviflora Joseph P. Tracy 1930-7-17 8973 Humboldt near McKay camp; South Fork Mountain, near McKay Camp 1676 Comment
  SEINET8717658 Image available Luzula parviflora H. E. Parks, S. T. Parks 1952-1 22446 Humboldt Bishop Pine Lodge. Trinidad. Comment
  UC1103680  Luzula parviflora Joseph P. Tracy 1925-6-7 7056 Humboldt Willow Creek Canyon Northern Coast Ranges, Willow Creek Canyon 609 Comment
  JEPS26544  Lycopodium clavatum Don Branscomb July, 1959 Humboldt Trinidad Comment
  RSA575148  Lycopodium clavatum S. Shushan 1978-8-4 3 Humboldt East of Blue Lake. Comment
  UC534971  Lycopodium clavatum H. E. and W. K. Parks 1932-7-30 1132 Humboldt Hammond Lumber Company Camp 21 Trinidad 152 Comment
  HSC25657  Lysichiton americanus Mike Silbernagle, Dennis Knuckles 1972-10-12 5826 Humboldt McKinleyville, field bounded by N Central, Norton Rd. and Dow's Prairie Rd. Comment
  UC176174  Lysichiton americanus Joseph P. Tracy 1913-3-30 4029 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC46151  Lythrum hyssopifolia J. P. Smith 1973-5-26 6814 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC38529  Madia elegans D. E. Anderson, J. P. Smith 1971-6-18 - 1067 Humboldt Chezem Rd., about 3 mi. E of bridge over Redwood Creek Comment
  CAS-BOT-BC342807  Madia elegans Lincoln Constance; Reed C. Rollins 1942-5-11 2874 Humboldt California North Coast Ranges. Hoopa Valley 5 miles south of Hoopa 121 Comment
  SEINET11810577  Madia elegans J. P. Tracy 1947-1 17827 Humboldt Horse Mountain 1067 Comment
  HSC71712  Madia exigua M. A. Baker 1980-6-26 2431 Humboldt Near Sims Creek 610 Comment
  JEPS7505  Madia gracilis Joseph P. Tracy 1934-7-18 13432 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC78758  Madia sativa L. P. Janeway, Paul Wilson 1984-5-25 816 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  UC1199397  Madia sativa J. P. Tracy 1903-8-9 1940 Humboldt immediate vicinity of Eureka 0 Comment
  HSC81706  Madia sativa Thomas W. Nelson 1980-8-12 6239 Humboldt Logging roads S of Lundbar Hills 61 Comment
  HSC91907  Madia sativa E. Mackey 1978-7-19 Humboldt Patrick's Point State Park; middle of the road near cliffs Comment
  RSA24302  Mahonia nervosa C. B. Wolf 1941-2-25 9961 Humboldt 9 mi. e. of Orick on rd. to Weitchpec. 610 Comment
  RSA46904  Mahonia nervosa Doris K. Kildale 1926-12-26 2882 Humboldt Kneeland, near water trough. Comment
  HSC15596  Maianthemum dilatatum W. R. Brigham 1962-5-19 6 Humboldt S of Big Lagoon. Comment
  POM224223  Maianthemum dilatatum H. E. Parks 1932-05 4289 Humboldt Bishop Pine Lodge, Trinidad. Comment
  HSC58079  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-8-1 11983 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  SEINET12050378  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1988-1 88 -270 Humboldt 14 mi W of Bridgeville to Carlotta on CA 36, Mile Marker 11.40, Van Duzen Co. Park (Pamplin Grove) 50 Comment
  RSA407376  Maianthemum stellatum Lyman Benson 1929-7-19 1859 Humboldt Dyerville to Matole River. Comment
  RSA21603  Maianthemum stellatum Carl B. Wolf 1937-9-14 9350 Humboldt North Coast Range, Lord Ellis Road, 0.5 mile east of summit of Willow Creek Grade 762 Comment
  UC1223206  Malacothrix clevelandii Joseph P. Tracy 1946-11-17 17667 Humboldt at mouth Van Duzen River; Eel River at mouth of Van Duzen River Comment
  CAS-BOT-BC347409  Malacothrix floccifera Walter Knight 1964-9-20 714 Humboldt Roadside US 101. Between Mendocino-Humboldt Co. line and Devoy Grove Comment
  CAS-BOT-BC140132  Malus fusca L. R. Abrams; G. T. Benson 1924-5-17 10730 Humboldt Trinidad Head Comment
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Jun 17 2020
  SEINET4929765  Marah fabacea Unknown 2002-8-22 90 Humboldt Along Fischer Road 0.25mi N of the Mad River. Comment
  UC249510  Marah oregana Joseph P. Tracy 1922-4-30 6035 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  UC990712  Marah oregana Roxana S. Ferris 1951-9-5 12448 Humboldt Trinidad Head Comment
  UCD107558  Marah oregana K. Twitchell 1996-5-11 23 Humboldt Crannell, Coastal cliffs along Highway 101 at Moonstone beach access. 36 Comment
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May 8 2012
  HSC45592  Marah oregana Diane L. Reed 1978-5-27 127 Humboldt Horse Mtn., on Titlow Hill Rd. 1.5 mi. from junction with Hwy. 299 Comment
  CAS-BOT-BC271172  Melica aristata Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  JEPS75422  Melica geyeri W. L. Jepson 1932-7-30 16458 Humboldt Bull Creek 121 Comment
  UC526920  Melica geyeri Joseph P. Tracy 1926-6-20 7650 Humboldt Horse Mountain; Northern Coast Ranges 1524 Comment
  HSC101165  Melica harfordii Dana York, Kim Hayler 2012-5-18 3105 Humboldt Six Rivers National Forest, near Somes Bar, 585 meters SE of the confluence of the Klamath and Salmon Rivers, E and above Hwy. 96. 213 Comment
  HSC98014  Melica harfordii Cara Witte 2007-7-12 531 Humboldt Ammon Ridge Road. Approximately 2 miles southeast of intersection with 5N10. 1353 Comment
  UC53675  Melica harfordii Jos. Burtt Davy 1899-6-19 5661 A Humboldt Hoopa Mt. Humboldt; Hoopa Mt. Comment
  UC53738  Melica harfordii H. P. Chandler 1901-1 1386 Humboldt Hupa Valley Comment
  UCD88643  Melica subulata A. H. Murphy 1951-5-15 s.n. Humboldt 3/4 mile south of South Fork on McCann Road. Comment
  CAS-BOT-BC262480  Melica torreyana Joseph P. Tracy 1935-5-25 13887 Humboldt North Coast Ranges. North Dobbyn Creek 152 Comment
  POM66219  Melilotus albus Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  HSC15519  Melilotus albus C. Kline 1970-11-9 66 Humboldt .5 mi. N of Bayside, Bayside Rd. Comment
  UC1197422  Melilotus indicus Joseph P. Tracy 1933-5-20 12232 Humboldt Cape Mendocino; near ocean 9 Comment
  UC577385  Melissa officinalis Joseph P. Tracy 1925-8-16 7232 Humboldt near the South Fork Trinity River Valley (around farm); Northern Coast Ranges, Trinity River Valley 182 Comment
  POM126654  Mentha canadensis M. H. Manning 1901-09 s.n. Humboldt Near Hupa. Comment
  RSA83450  Mentha canadensis F. W. Peirson 1926-7-12 7044 Humboldt Humboldt County: Orick Comment
  UCLA58373  Mentha pulegium Joseph Andorfer Ewan 1937-7-1 10436 Humboldt Stephens Grove above Garberville; Stephens Grove above Garberville Comment
  RSA167435  Mentha spicata Joseph P. Tracy 1950-9-22 19370 Humboldt Klamath River near Slate Creek; below Orleans 8 miles. 122 Comment
  CAS-BOT-BC428713  Micranthes californica Doris K. Kildale 1927-3-20 2925 Humboldt Philipsville, south fork of Eel River Comment
  UC175985  Microseris laciniata subsp. laciniata Joseph P. Tracy July 1908 2893 Humboldt ridge between Van Duzen River and Mad River (Humboldt and Trinity Counties); Northern Coast Ranges, ridge between Van Duzen River and Mad 914 Comment
  UC582443  Mimulus aurantiacus var. aurantiacus Joseph P. Tracy 1934-7-12 13379 Humboldt Big Lagoon 152 Comment
  HSC39618  Mimulus breweri Thomas W. Nelson, Jane P. Nelson 1976-6-15 2722 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  RSA12432  Mimulus breweri Carl B. Wolf 1934-7-2 5862 Humboldt Edge of small lake at Snow Camp. (Mts. east of Korbel) Upper transition or Canadian - Abies concolor 1372 Comment
  HSC72408  Mimulus dentatus J. P. Smith 1973-5-26 6821 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC20711  Mimulus dentatus P. Markle 1962-5-16 34 Humboldt Along road to City of Arcata reservoir Comment
  HSC73600  Mimulus guttatus M. A. Baker 1980-7-22 3113 Humboldt Near Grogan Hole. 1676 Comment
  UCR45415  Mimulus guttatus Kenneth Clark 1980-5-10 659 Humboldt Western Beach, Point Delgada 15 Comment
  HSC20754  Mimulus guttatus D. E. Anderson 1963-5-18 2442 Humboldt 1.4 mi. W of Berry Summit Comment
  HSC89591  Mimulus guttatus M. Roantree 1985-5-15 45 Humboldt E side of Trinidad Head, on slope above Trinidad Bay beach Comment
  SEINET4678005  Mimulus guttatus Jan G. Cooper 1977-6-22 59 Humboldt Mouth of Mattole River along base of cliff. 1/4 mile away from the ocean.; 0 Comment
  UC103776  Mimulus kelloggii Harley P. Chandler June 1901 1480 Humboldt Klamath River North Coast Ranges 426 Comment
  JEPS8153  Mimulus layneae Joseph P. Tracy 1937-6-27 15382 Humboldt w of mouth South Fork of Trinity River; Friday Ridge 1219 Comment
  UC162709  Mimulus microphyllus Joseph P. Tracy 1911-7-7 3367 Humboldt 3 mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC1103339  Mimulus primuloides subsp. primuloides Joseph P. Tracy 1919-9-22 5266 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UC582498  Mimulus primuloides subsp. primuloides Joseph P. Tracy 1932-7-14 10534 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC102508  Mimulus primuloides var. primuloides M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1493 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC73738  Mimulus primuloides var. primuloides M. A. Baker 1980-7-22 3091 Humboldt Near Grogan Hole. 1676 Comment
  UC582493  Mimulus pulsiferae Joseph P. Tracy 1926-6-20 7616 Humboldt Horse Mountain Northern Coast Ranges 1463 Comment
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Sep 10 2013
  HSC4054  Minuartia douglasii Lincoln Constance 1934-5-29 732 Humboldt Upper Look Prairie; South Fork Eel River 366 Comment
  HSC4059  Minuartia douglasii D. E. Anderson 1962-7-14 2262 Humboldt Comment
  HSC36642  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1899 Humboldt Beside branch off FS 2S08 to Pine Mtn. Comment
  CAS-BOT-BC432905  Mitella Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  CHSC115049  Mitella caulescens Stephanie Puentes 2008-6-19 09120 Humboldt 1.5 miles west of Lake Prairie on the southwest facing bank of Maple Creek. 670 Comment
  HSC56219  Mitella caulescens G. L. Clifton, Griswold 1979-8-2 12242 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC433068  Mitella trifida Joseph P. Tracy 1932-7-13 10503 Humboldt Klamath Mountains, Trinity Summit. Near Corral Prairie. 1524 Comment
  HSC38487  Moehringia macrophylla D. E. Anderson, J. P. Smith 1971-7-6 - 1272 Humboldt Horse Mtn. Comment
  HSC4287  Moehringia macrophylla Lincoln Constance 1934-6-19 908 Humboldt Near summit of Grasshopper Peak, S Fork Eel River, Bull Creek region 915 Comment
  UCD99638  Mollugo verticillata Freed W. Hoffman 1946-8-16 1852 Humboldt in Russian River at Korbel. Comment
  HSC76524  Monardella odoratissima Teresa Prendusi 1981-7-21 273 Humboldt Near Whiteys Peak 1646 Comment
  RSA43889  Monardella odoratissima subsp. glauca H. M. Pollard 1948-8-4 s.n. Humboldt Orleans Mountain 1524 Comment
  HSC58020  Monardella odoratissima subsp. pallida G. L. Clifton 1979-7-31 11822 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  RSA0022806  Monardella villosa Carl B. Wolf 1937-8-13 9223 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  RSA0022787  Monardella villosa subsp. subserrata Carl B. Wolf 1934-7-3 5923 Humboldt Weitchpec (junction of Klamath and Trinity Rivers). 200 yards west of school. 152 Comment
  RSA0022803  Monardella villosa subsp. subserrata L. R. Abrams 1922-6-25 8221 Humboldt Camp Cemi [?], north Garberville. Comment
  UC416723  Monardella villosa subsp. villosa P. E. Goddard 1901-7 3 Humboldt Hupa Valley Comment
  BLMAR621  Montia howellii Jennifer Anthony-Wheeler 2009-5-20 521 Humboldt Lacks Creek, On main westside road on vernally wet inboard ditch behind gate 853 Comment
  HSC59071  Morella californica Thomas Wood 1979-5-4 153 Humboldt Big Lagoon Bog, E edge of bog 3 Comment
  UC1145149  Muhlenbergia filiformis Joseph P. Tracy 1919-9-18 5233 Humboldt Trinity Summit Northern Coast Ranges 1828 Comment
  UC526746  Muhlenbergia filiformis Joseph P. Tracy 1933-7-25 12833 Humboldt moist gravelly flat North Coast Ranges, Grouse Mountain 1524 Comment
  UCD86796  Muhlenbergia mexicana Eleanor Armstrong 1934-1 1149 Humboldt Richardson Grove. Comment
  HSC34648  Myosotis sylvatica A. M. Montalvo 1975-4-9 201 Humboldt Arcata Community Forest about .25 mi. up Trail #3 46 Comment
  UC1197941  Myrica californica Joseph P. Tracy 1930-11-2 9246 Humboldt on Eel R. above S. Fork McCann; Northern Coast Ranges, , Eel R. 60 Comment
  HSC15606  Narcissus pseudonarcissus J. L. Baker 1965-4-14 52 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  HSC15608  Narthecium californicum J. P. Tracy 1930-7-17 9003 Humboldt S Fork Mtn. at McKay Camp 1677 Comment
  UC1173635  Narthecium californicum Joseph P. Tracy 1930-7-17 9003 Humboldt meadow at McKay Camp (S. Fork Mt.); S. Fork Mt. 1676 Comment
  UC526767  Nassella pulchra Joseph P. Tracy 1927-5-8 7963 Humboldt slopes facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  UCSB30594  Nasturtium officinale Edwards, David 1974-7-30 Humboldt West side of U.S. 101, ca. 30 yds. S. of 7th St. overpass, Arcata 15 Comment
  HSC99059  Navarretia capillaris Cara Witte 2007-7-8 436 Humboldt Board Camp Mountain. Trail 4E28. 1498 Comment
  HSC96932  Navarretia intertexta subsp. propinqua Elizabeth Kimbrough, Whitney Meier 2007-6-13 9 Humboldt Grouse Mtn., 1 mi. E of NF1 on USFS 5N04 1524 Comment
  UC908640  Navarretia mellita Joseph P. Tracy 1934-7-9 13333 Humboldt 5 mi s Harris 762 Comment
  UC1198530  Navarretia squarrosa Joseph P. Tracy 1941-9-1 16998 Humboldt near Blue Lake (along Mad River); Mad River 15 Comment
  UCSB5208  Navarretia squarrosa Parks, H. 1952-07 Humboldt Trinidad Comment
  UC1222718  Navarretia tagetina Joseph P. Tracy 1950-6-23 18862 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  SEINET10873102  Nemacladus capillaris Tracy 1908-6-27 TRACY 2842 Humboldt Northwest slope of Buck Mountain 1219 Comment
  HSC13589  Nemophila menziesii D. E. Anderson 1965-4-24 3532 Humboldt Along Titlow Hill Rd. Comment
  UC1239736  Nemophila menziesii Joseph P. Tracy 1935-5-26 13910 Humboldt Lone Star Creek , Lone Star Creek (Iaqua Region) 609 Comment
  UC67069  Nemophila menziesii var. atomaria H. P. Chandler 1276 Humboldt Hupa Mts. Comment
  UC1239752  Nemophila menziesii var. atomaria Joseph P. Tracy 1923-4-1 6174 Humboldt 3 mi e Blue Lake (Mankin Place); e of Blue Lake, Mankin Place 274 Comment
  UC24262  Nemophila menziesii var. atomaria Joseph Burtt Davy and Walter C. Blasdale 1899-5 5739 Humboldt Hoopa Valley North-Western California, Hoopa Valley Comment
  UC562590  Nemophila pedunculata Joseph P. Tracy 1927-3-27 7858 Humboldt near South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC60546  Noccaea fendleri subsp. californica Doris K. Kildale 1926-3-21 1581 Humboldt Kneeland Prairie. 853 Comment
  RSA176510  Noccaea fendleri subsp. glauca Doris K. Kildale 1926-3-21 1581 Humboldt Kneeland Prairie. 854 Comment
  CAS-BOT-BC60565  Noccaea fendleri subsp. glauca Lincoln Constance; Reed C. Rollins 1942-5-11 2877 Humboldt North Coast Ranges. Hoopa Valley 5 miles south of Hoopa. 121 Comment
  HSC98717  Notholithocarpus densiflorus var. echinoides Cara Witte 2007-8-9 644 Humboldt Along Forest Service Road 5N10. 2 miles east of intersection with National Forest 1. 1334 Comment
  UC217655  Nuttallanthus texanus J. P. Tracy 1904-7-4 2117 Humboldt immediate vicinity of Eureka 0 Comment
  CDA26036  Oemleria cerasiformis R. Bennett 1976-7-2 Humboldt 505 Palmer Boulevard, Fortuna. 0 Comment
  UC1198789  Oemleria cerasiformis Joseph P. Tracy 1933-3-26 10946 Humboldt hills at n end Big Lagoon 60 Comment
  UC1222315  Oemleria cerasiformis Joseph P. Tracy 1950-4-20 18618 Humboldt 2 mi w Dinsmore's (nw slope of Buck Mountain, lower slopes); Buck Mountain 762 Comment
  SEINET11915945  Oemleria cerasiformis J. P. Tracy 1950-1 18618 Humboldt 2 mi W of Dinsmore's, Buck Mountain, lower foothills of its NW slope 762 Comment
  RSA0004550  Oenothera hookeri subsp. wolfii Carl B. Wolf, E. R. Johnson 1934-12-11 6172 Humboldt Redwood Highway just south of Trinidad. 30 Comment
  UCD106955  Oenothera wolfii D. Wiesendanger; F. Randall 1926-8-1 1544 Humboldt Near Arcata. Comment
  UC906645  Orogenia fusiformis Joseph P. Tracy 1942-6-23 17252 Humboldt near top Trinity Summit (w. of Water-Dog Lakes) 1828 Comment
  UC1197580  Orthilia secunda Joseph P. Tracy 1934-8-29 13626 Humboldt South Fork Mountain near McKay Camp 1676 Comment
  POM43761  Orthocarpus erianthus var. gratiosus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  HSC56153  Orthocarpus imbricatus G. L. Clifton, Terry Griswold 1979-8-1 12009 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  HSC100940  Orthocarpus pusillus Miss Handy Jun 1886 340 Humboldt Maple Cr. Comment
  RSA430437  Osmorhiza berteroi Lyman Benson 1928-7-10 405 Humboldt Weott Ranger Station. Seaward N Coast mtn range, S. Fork Eel River drainage. 61 Comment
  UC1476963  Osmorhiza berteroi Porter P. Lowry, II 1977-6-30 795 Humboldt Lady Bird Johnson Cave Redwood National Park (Viewpoint) Comment
  UC1197131  Osmorhiza occidentalis Joseph P. Tracy 1947-7-9 17830 Humboldt Arford Cabin (Ski Lodge) Horse Mountain (lower slopes of mt.) Comment
  HSC21585  Osmorhiza purpurea T. W. Beck 1963-5-10 49 Humboldt Camp Bauer, Korbel Comment
  CSUSB849  Oxalis oregana Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC16704  Oxalis oregana Francis Winter 1960-4-23 Humboldt 1 mi. E of Korbel 30 Comment
  HSC49078  Oxalis oregana J. O. Sawyer 1977-4-23 2843 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC96576  Packera bolanderi var. bolanderi Gordon Leppig, Maralyn A. Renner 2005-6-7 2245 Humboldt Pacific Lumber Co. land, Redwood House Rd., Heley Creek Watershed 320 Comment
  UC427872  Packera bolanderi var. bolanderi Parks and Tracy 1930-5-25 865 Humboldt Lower Van Duzen River, e Humboldt County Lower Van Duzen River Comment
  UC1145036  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1939-4-29 16246 Humboldt 8 mi below Orleans; Klamath River near Slate Creek 121 Comment
  UC526843  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1931-5-17 9428 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC93730  Parapholis incurva Gordon Leppig, Sylvia Leppig 1998-5-25 788 Humboldt Big Lagoon State Park. 1 Comment
  HSC82967  Parapholis strigosa A. L. Eicher 1986-7-7 Humboldt Humboldt Bay, 0.2 mi. S of the mouth of Jacoby Creek. 1 Comment
  HSC90750  Parentucellia viscosa Jean Hanson 1980-6-22 95 Humboldt Indian (Gunther) Island, Humboldt Bay, City of Eureka, W end of island Comment
  UC526851  Paspalum distichum Joseph P. Tracy 1934-8-14 13581 Humboldt South Fork of Eel River, 1 mi above its mouth 60 Comment
  POM126156  Paxistima myrsinites Joseph P. Tracy 1922-4-30 6042 Humboldt Brannan Mountain. viz. ridge north of Willow Creek, between Willow and Campbell Creeks. 915 Comment
  UC1222450  Pedicularis densiflora Joseph P. Tracy 1926-2-28 7369 Humboldt near the South Fork; Trinity River Valley 182 Comment
  HSC20927  Pedicularis densiflora Francis Winter 1960-4-24 Humboldt 3.5 mi. SW of Hoopa Indian Reservation, Bair Rd. 610 Comment
  HSC76045  Pedicularis racemosa Walter Overton, Marvin Butler 1979-8-2 12563 Humboldt Near Bret Hole, close to the town of Hoopa. 1554 Comment
  HSC39931  Pellaea brachyptera J. O. Sawyer 1970-6-25 2294 Humboldt 1646 Comment
  CAS-BOT-BC67624  Pellaea mucronata Joseph P. Tracy 1933-6-13 12561 Humboldt Hoopa Mountain - near summit on road west from Hoopa to Bair's. 1066 Comment
  HSC74472  Penstemon anguineus Gail Newton 1980-7-23 1742 Humboldt Near Packsaddle Ridge 1463 Comment
  JEPS26253  Penstemon anguineus Joseph P. Tracy 1940-7-7 16671 Humboldt Grouse Mt. 1524 Comment
  JEPS27375  Penstemon anguineus H. W. Grinnell 1932-7-19 33 Humboldt McKay Camp South Fork Mt. 1676 Comment
  HSC55674  Penstemon deustus Walter Overton, Marvin Butler 1979-7-25 9891 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC60084  Penstemon deustus M. A. Baker 1978-5-6 486 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC56115  Penstemon newberryi subsp. berryi Gilbert Muth 1979-8-1 11886 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  HSC21104  Penstemon rattanii J. P. Tracy 1906-6-10 2480 Humboldt Kneeland Prairie 762 Comment
  RSA0070753  Pentagramma triangularis Doris K. Kildale 1928-12-29 6765 Humboldt Stevens Grove. Comment
  JEPS146  Perideridia gairdneri subsp. gairdneri W. L. Jepson 1936-8-17 17918 Humboldt hillside 2 mi s Field's Landing Comment
  HSC56308  Perideridia parishii subsp. latifolia Overton, Butler 1979-8-2 12627 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC17528  Persicaria maculosa W. L. Jepson 1921-8-7 9334 Humboldt Stone Lagoon Comment
  CAS-BOT-BC330379  Petasites frigidus var. palmatus Doris K. Kildale 1929-3-10 6938 Humboldt Bug Creek, Chaparral Mt. 914 Comment
  RSA34328  Petasites palmatus J. Wendell Howe 1932-3-20 s.n. Humboldt Roadside near Orick. Comment
Read comments
Nov 24 2011
  SEINET12335255  Phacelia bolanderi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -304 Humboldt Six Rivers National Forest, 0.5 mi S of CA 199 on French Hill Rd (USFS Rd 411) 150 Comment
  HSC63847  Phacelia heterophylla M. A. Baker 1979-6-27 917 Humboldt Comment
  HSC13667  Phacelia heterophylla subsp. virgata D. E. Anderson 1962-5-1 2198 Humboldt 1 mi. W of Hoopa Comment
  UC162721  Phacelia nemoralis subsp. oregonensis Joseph P. Tracy 1911-7-5 3317 Humboldt Willow Creek (tributary of Trinity River) Northern Coast Ranges (near its mouth) 304 Comment
  POM265889  Phacelia nemoralis subsp. oregonensis Lincoln Constance, R. C. Rollins 1942-5-11 2872 Humboldt Hoopa Valley 6 miles S of Hoopa. 122 Comment
  UC671691  Phacelia nemoralis subsp. oregonensis Lincoln Constance, Alan A. Beetle 1940-5-16 2609 Humboldt 12 mi s Eureka (summit of bluff); Table Bluff 30 Comment
  HSC74137  Phacelia procera M. A. Baker 1980-7-22 3119 Humboldt Near Grogan Hole. 1676 Comment
  HSC75489  Phacelia procera J. O. Sawyer 1980-7-18 3630 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC10555  Phalaris arundinacea D. J. McVean 1965-5-18 79 Humboldt Along Old Arcata Rd., just S of intersection with Inidanola Rd. Arcata, CA Comment
  UC1103763  Phalaris arundinacea Joseph P. Tracy 1934-10-21 13695 Humboldt along coast in front of south end Stone Lagoon (Dry Lagoon); in front of South End Stone Lagoon, Dry Lagoon 3 Comment
  CAS-BOT-BC258965  Phalaris californica Joseph P. Tracy 1925-6-7 7085 Humboldt Lord-Ellis Road, on Bald Mt. 609 Comment
  CAS-BOT-BC258966  Phalaris californica Joseph P. Tracy 1925-6-7 7085 Humboldt On Lord-Ellis Road, on Bald Mt. 609 Comment
  UCD89189  Phalaris minor A. H. Murphy 1951-6-6 s.n. Humboldt W Roscoe at Upper Mattole. Comment
  UC666825  Philadelphus lewisii Joseph P. Tracy 1937-6-20 15355 Humboldt ten mi up stream from mouth; Bear River 152 Comment
  HSC58687  Phleum alpinum G. L. Clifton, Griswold 1979-8-2 12405 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  UC526668  Phleum alpinum Joseph P. Tracy 1926-7-5 7733 Humboldt Valley of South Yager Creek 762 Comment
  HSC17184  Phlox adsurgens Milo S. Baker Humboldt 15 mi. E of Hoopa at end of Forest Rd. 1372 Comment
  UC615025  Phlox adsurgens Beryl O. Schreiber 1934-6-6 1144 Humboldt 5 mi e Gray's resort (road to Redding); Redwood Creek Comment
  UC1198560  Phlox gracilis Joseph P. Tracy 1932-5-10 9933 Humboldt Bear River Ridge Northern Coast Ranges 609 Comment
  SEINET3882874  Physaria kingii subsp. cobrensis C. Reed, Kathryn W. Rollins 1981-6-6 81229 Humboldt 8a, Charles Sheldon Wildlife Refuge, 43 miles northeast of Cedarville.; 0 Comment
  CAS-BOT-BC140585  Physocarpus capitatus Doris K. Kildale 1926-3-26 1651 Humboldt Old Fortuna Road 30 Comment
  CAS-BOT-BC140586  Physocarpus capitatus Doris K. Kildale 1926-5-15 3158 Humboldt Petrolia Bridge, Mattole River Valley Comment
  CAS-BOT-BC73443  Picea sitchensis Doris K. Kildale 1927-5-14 3201 Humboldt Big Lagoon Comment
  SBBG56401  Picea sitchensis J. W. Howe 1938-3-31 Humboldt near Arcata Comment
  HSC12720  Pinus contorta C. E. Fellows 1970-10-7 374 Humboldt McKinleyville 0.25 mi. W of end of Murray Rd. near dunes Comment
  NY49723  Pinus contorta var. contorta H. E. Parks 05 1931 s.n. Humboldt Samoa, Pine Barrens Comment
  OBI33911  Pinus jeffreyi David J. Keil 1983-7-2 17315 Humboldt Ca. 4 mi SE of SR 299 along Titlow HIll rd below Horse Mtn Summit Rd Comment
  HSC99045  Pinus lambertiana Cara Witte 2008-6-15 753 Humboldt Horse Mountain Botanical Area. Forest Service Road 6N36. 1 mile north of intersection with 6N36A. 1428 Comment
  CAS-BOT-BC78982  Pinus muricata Doris K. Kildale 1927-3-19 2941 Humboldt Luffenholtz Creek near Trinidad Comment
  HSC104337  Piperia candida James Regan, Humboldt Redwood Co., LLC Jun 2015 30 Humboldt Nelson Creek 457 Comment
  HSC48733  Pityopus californicus J. Pageau, T. Jimerson, W. Wisler, A. Regalis 1979-6-13 519 Humboldt Off FS 10N05. SE slope of Hopkins Butte. Bulk Collection 181 1037 Comment
  UC1197758  Pityopus californicus Joseph P. Tracy 1925-7-5 7184 Humboldt High Prairie on Bald Mountain North Coast Ranges 1066 Comment
  UC24546  Plagiobothrys reticulatus Harley P. Chandler May, 1901 1172 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 30 Comment
  RSA178574  Plagiobothrys scouleri Joseph P. Tracy 1949-6-25 18353 Humboldt Trinity Summit; Meadow at Box Camp. 1463 Comment
  UC54757  Plagiobothrys tenellus Harley P. Chandler May, 1901 1087 Humboldt Harris 609 Comment
  UC1196136  Plantago erecta Joseph P. Tracy 1900-6-5 836 Humboldt Busksport Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC67528  Plantago lanceolata J. P. Smith, Steve Selva 1970-6-14 3838 Humboldt Along Hwy. 96 at Whitmore Creek. 152 Comment
  HSC37567  Plantago maritima J. D. Ackerman 1975-6-10 464 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC95094  Plantago maritima Andrea Pickart 2002-6-27 118 Humboldt Mad River Slough and Dunes, N of parking lot area at N end of access road. 0 Comment
  HSC16831  Plantago subnuda J. P. Tracy 1906-6-17 2493 Humboldt Eureka 0 Comment
  POM312378  Plantago subnuda Malcolm A. Nobs, S. Galen Smith 1949-8-3 1188 Humboldt Southern outskirts of Eureka Comment
  SEINET10297967  Platanthera dilatata var. dilatata Unknown 1965-8-9 s.n. Humboldt BIG LAGOON: Elev. c. 10 ft Comment
  HSC55140  Platanthera sparsiflora G. L. Clifton, Griswold 1979-8-1 12021 Humboldt Near N Trinity Mtn., close to the town of Hoopa. 1798 Comment
  UC275576  Platanthera sparsiflora Joseph P. Tracy 1923-6-24 6369 Humboldt near High Prairie; Northern Coast Ranges, Bald Mountain 1066 Comment
  UC602532  Plectritis brachystemon Joseph P. Tracy 1936-7-5 15037 Humboldt North Coast Range, Grouse Mountain Grouse Mountain; North Coast Range, Grouse Mountain 1524 Comment
  UC168947  Plectritis brachystemon Joseph P. Tracy 1905-4-30 2175 Humboldt Ocean Beach at Humboldt Bay Ocean Beach; Northern Coast Region, Humboldt Bay, Ocean Beach Comment
  UC1239603  Plectritis congesta Joseph P. Tracy 1933-5-19 12199 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  HSC95648  Plectritis congesta Andrea Pickart 2002-4-3 34 Humboldt Samoa Dunes, Eureka airport. 15 Comment
  SEINET200957 Image available Pleuropogon refractus J. P. Tracy 1932-7-14 10539 Humboldt Corral Prairie 1524 Comment
  HSC26358  Poa annua T. O. Osborne 1970-6-18 41 Humboldt Green Rock, 1-5/8 mi. N, 3/4 mi. W of Trinidad Lighthouse. Comment
  HSC10677  Poa confinis J. W. Johnson 1962-4-14 1250 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  HSC10683  Poa confinis E. W. Styskel 1964-5-7 79 Humboldt 2 mi. S of Samoa near Samoa Rd., near beach. Comment
  HSC10688  Poa confinis D. B. Bader 1963-4-15 23 Humboldt Second of the Clam Beach Lagoons, W of Hwy. 101 Comment
  UCD91030  Poa douglasii subsp. douglasii Linda M. Barker 1976-5-13 1491 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CAS-BOT-BC255848  Poa kelloggii Joseph P. Tracy 1906-5-20 2463 Humboldt Near Eureka, region about Humboldt Bay 152 Comment
  HSC10722  Poa kelloggii E. W. Styskel 1963-4-20 17 Humboldt 3 mi. SE of Korbel, on Snow Camp Rd. 305 Comment
  HSC90699  Poa macrantha Gail Newton 1982-6-10 3612 Humboldt Elk River Wildlife Area, Eureka Comment
  SEINET183546 Image available Poa macrantha Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-9 15073 Humboldt Clam Beach 15 miles north of Eureka Comment
  HSC98586  Poa palustris Cara Witte 2008-8-6 1007 Humboldt Board Camp Mountain; 1 mile south of Forest Service Road 4N38 and National Forest 1 intersection. 1416 Comment
  UC589883  Poa pratensis subsp. pratensis H. S. Yates 1936-6-17 5703 Humboldt lower nw slope Buck Mt; South Fork Peak Quadrangle 792 Comment
  HSC70762  Poa trivialis R. York 1980-5-17 520 Humboldt Near Le Perron Peak 792 Comment
  UC1145118  Poa trivialis Joseph P. Tracy 1950-6-8 18723 Humboldt Bear Beaver Ridge 609 Comment
  UC525618  Poa trivialis Joseph P. Tracy 1926-6-12 7590 Humboldt near Orick (at Davison's Ranch on Prairie Creek); North Coast Ranges 60 Comment
  UCD52744  Podagrostis humilis Joseph P. Tracy 1939-7-9 16344 Humboldt Snow Camp. 1432 Comment
  UC604642  Pogogyne zizyphoroides Joseph P. Tracy 1938-7-5 16005 Humboldt Carlotta, open flat by old Strong's District School House, 5 miles east of town 45 Comment
  HSC48881  Polycarpon tetraphyllum J. P. Smith, Thomas W. Nelson 1977-6-30 9222 Humboldt Samoa Peninsula just E of the drag strip. Comment
  SDSU4396  Polygala californica D. F. Howe 1962-5-21 3292 Humboldt 16 miles north of Garberville on #101. 61 Comment
  HSC64167  Polygala cornuta J. O. Sawyer, K. A. Sawyer 1979-6-24 3411 Humboldt Slopes alongside Aikens Creek. 366 Comment
  UC1052454  Polygala cornuta var. cornuta J. Tracy and H. E. Parks Humboldt Hors Linto Road Trinity River 609 Comment
  UC1198085  Polygonum amphibium var. stipulaceum Joseph P. Tracy 1934-7-30 13495 Humboldt along coast in front of South End of Stone Lagoon; Dry Lagoon 3 Comment
  RSA249525  Polygonum arenastrum Robert F. Thorne, Percy C. Everett 1965-8-8 35244 Humboldt N edge of Eureka, E of Hwy. 101 5 Comment
  HSC17474  Polygonum aviculare C. B. Wolf 1927-8-29 1208 Humboldt Devil's Gate, S of Cape Mendocino. Comment
  HSC43173  Polygonum aviculare R. Sutherland 1976-8-13 10 .13876 Humboldt Redwood Creek, Whittemore Grove. 91 Comment
  HSC83989  Polygonum aviculare L. P. Janeway, C. K. Geldin-Meyers 1983-4-15 224 Humboldt Field around the new Science and Engineering Bldg., HSU campus 30 Comment
  POM126162  Polygonum bolanderi Joseph P. Tracy 1921-8-21 5944 Humboldt Trinity River at mouth of South Fork. 152 Comment
  HSC55078  Polygonum douglasii G. L. Clifton, Griswold 1979-7-31 11691 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC55269  Polygonum douglasii Overton, Butler 1979-8-2 12642 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC175842  Polygonum douglasii Joseph P. Tracy 1912-7-31 3941 Humboldt Buck Mountain Northern Coast Ranges (near summit) 1676 Comment
  HSC101995  Polygonum douglasii var. douglasii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 894 Humboldt Patterson Meadows 1566 Comment
  HSC98067  Polygonum douglasii var. douglasii Cara Witte 2007-7-11 508 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC55190  Polygonum minimum G. L. Clifton, Griswold 1979-8-2 12250 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC109184  Polygonum paronychia E. A. McGregor 1921-8-25 s.n. Humboldt Requa and vicinity. Sand bar extending southward from mouth of Klamath River. Comment
  JEPS50637  Polygonum persicaria Lincoln Constance 1934-6-12 861 Humboldt Bull Cr. road and N. bank of river; South Fork Eel River, Bull Creek Region Comment
  UCR246784  Polygonum polystachyum B. Villegas, Bruce Bryan 2009-10-6 s.n. Humboldt Central Coast, near Trinidad, Patricks Point Drive at Seawood Drive, east of Hwy 101 91 Comment
Read comments
Jan 27 2015
  HSC54512  Polygonum spergulariiforme Overton, Butler 1979-7-23 9426 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  RSA13553  Polygonum spergulariiforme H. E. Parks, Joseph P. Tracy 1930-9-15 767 Humboldt Bald Hills Comment
  UC218626  Polypodium Joseph P. Tracy 1918-4-7 4865 Humboldt mouth of Little River; Northern Coast Ranges 15 Comment
  CAS-BOT-BC71921  Polypodium californicum Donald Branscomb 1959-2-1 s.n. Humboldt Trinidad Comment
  HSC70409  Polypodium californicum M. A. Baker 1980-6-7 1832 Humboldt Near Ammon Creek 732 Comment
  HSC28927  Polypodium glycyrrhiza Diane Johnson 1972-4-12 Humboldt Butler Valley near Big Bend Rd. Comment
  RSA689964  Polypodium scouleri Charlotte M. Hoak 1936-8-15 374 Humboldt Patricks Point Comment
  HSC1114  Polypodium scouleri D. E. Anderson 1961-8-25 1754 Humboldt 1.5 mi. S of Trinidad Comment
  HSC1125  Polypodium scouleri R. J. Vernimen 1963-2-17 10 Humboldt Clam Beach Lagoons Comment
  RSA137268  Polypodium scouleri I. L. Wiggins 1957-6-20 14133 Humboldt East side of highway, Trinidad Comment
  HSC26536  Polypogon australis J. P. Smith 1971-10-9 5035 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  RSA10062  Polypogon interruptus Joseph P. Tracy 1930-6-29 8819 Humboldt Buck Mountain, lower foothills of its northwest slope 762 Comment
  RSA91992  Polypogon maritimus Joseph P. Tracy 1933-7-20 12811 Humboldt Along Mad River, near Blue Lake. 15 Comment
  CAS-BOT-BC232595  Polypogon monspeliensis Henry M. Pollard 1948-7-21 s.n. Humboldt Bank of Klamath River near Orleans Comment
  CHSC10130  Polypogon monspeliensis Jerry Parker 1968-11-22 241 .1 Humboldt Mckinleyville beach, floor of vernal pond. Comment
  RSA129378  Polypogon monspeliensis H. S. Yates 1936-6-16 5679 Humboldt 1 mile NE of Samoa 3 Comment
  UC1103192  Polypogon monspeliensis Joseph P. Tracy 1930-10-12 9206 Humboldt Eel River on gravel bars Alton to Fortuna; Eel River 15 Comment
  RSA693276  Polystichum lonchitis Anstruther Davidson 1923-8-10 17060 Humboldt Near Bridgeville Comment
  HSC74743  Polystichum munitum Gail Newton 1981-8-6 2386 Humboldt Near Bug Creek 1125 Comment
  UC397299  Polystichum munitum Harley P. Chandler June, 1901 1316 Humboldt Hupa Indian Reservation; North Coast Ranges 152 Comment
  HSC98644  Populus trichocarpa Cara Witte 2007-7-26 598 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1366 Comment
  UC1225789  Populus trichocarpa Joseph P. Tracy 1948-4-11 17970 Humboldt 2 mi e Dyerville (Eel River); Eel River 48 Comment
  UCD110730  Populus trichocarpa Joseph P. Tracy 1932-5-1 9896 Humboldt Vicinity of Garberville. 121 Comment
  UC1103512  Potamogeton foliosus Joseph P. Tracy Humboldt Blue Slide on Van Duzen River 91 Comment
  HSC59499  Potamogeton natans M. A. Ericksen 1979-4-20 209 Humboldt Northernmost Clam Beach ponds, .3 mi. S of Cranell Rd. and Little River Dr., 16 mi. N of Eureka Comment
  UCSB30604  Potamogeton natans Edwards, David 1974-7-26 Humboldt Pond ca. 50 ft. NW of Grand Rd., ca. 1.5 mi. SW. of Korbel and ca. 1/2 mi. NE. of Mad River 18 Comment
  BLMAR306  Potentilla anserina subsp. pacifica Jennifer Anthony-Wheeler 2002-7-1 306 Humboldt South Spit 6 Comment
  HSC62830  Potentilla anserina subsp. pacifica J. M. DiTomaso 1979-4-21 883 Humboldt Clam Beach Comment
  UC1586954  Potentilla drummondii Juha Pykala and D. H. Norris 1987-6-11 1593 Humboldt s North Trinity Mountain (w of Crogan Hole); North Trinity Mountain Wilderness Area 1550 Comment
  HSC34288  Potentilla gracilis K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  UC492177  Potentilla gracilis Joseph P. Tracy 1932-7-10 10387 Humboldt wet meadow at Corral Prairie (Trinity Summit); Klamath Mountains, Trinity Summit 1524 Comment
  HSC57357  Potentilla gracilis var. fastigiata Overton, Butler 1979-7-26 10053 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  CAS-BOT-BC540159  Potentilla gracilis var. fastigiata Carl B. Wolf 1934-7-2 5859 Humboldt 5.5 mi. from Bald Mt. on road to Snow Camp. 914 Comment
  UC154515  Potentilla gracilis var. gracilis Harley P. Chandler June, 1901 1390 Humboldt Hupa Indian Reservation North Coast Ranges, , Hupa Valley (Hupa Valley) 152 Comment
  HSC100561  Prosartes menziesii Carl C. Marshall May 1886 51 Humboldt Damp woods. Comment
  HSC97301  Prosartes smithii M. Mesler 2007-5-15 750 Humboldt Bald Hills Rd., 18.8 mi. from Hwy. 101, N side of rd. 915 Comment
  UCD20382  Prunella vulgaris K. Esau 1934-5-6 s.n. Humboldt Fort Seward. Comment
  HSC81963  Prunella vulgaris subsp. lanceolata Thomas W. Nelson, Jane P. Nelson 1979-7-3 4946 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 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
  UC1402064  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-7-19 628 -30 Humboldt Comment
  UC183749  Prunus emarginata Joseph P. Tracy 1913-6-17 4183 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  UC303166  Prunus emarginata Joseph P. Tracy 1924-4-20 6638 Humboldt near Fortuna; Northern Coast Ranges 60 Comment
  HSC40671  Prunus virginiana var. demissa Thomas W. Nelson, Jane P. Nelson 1976-7-1 2930 Humboldt Bench W of Lassic Park (Signal Peak) 1677 Comment
  HSC97633  Prunus virginiana var. demissa Cara Witte 2007-6-12 247 Humboldt Cold Spring. 1410 Comment
  UC1222309  Prunus virginiana var. demissa Joseph P. Tracy 1950-6-25 18881 Humboldt Buck Mountain, on the Burr Valley Road Buck Mountain; , Burr Valley Road 1066 Comment
  JEPS20480  Pseudognaphalium californicum Joseph P. Tracy 1937-7-11 15415 Humboldt vicinity of Garberville 121 Comment
  CAS-BOT-BC80122  Pseudotsuga menziesii Carl B. Wolf 1930-10-29 1785 Humboldt Old Coast Road 7 miles so. of Honeydew Post Office 304 Comment
  HSC1582  Pseudotsuga menziesii var. menziesii W. R. Rogers 1965-7-1 300 Humboldt Hwy. 299 4 mi E of Blue Lake Comment
  HSC79439  Pseudotsuga menziesii var. menziesii Kenneth Clark 1980-11-28 1053 Humboldt Above Point No Pass, throughout Shelter Cove 305 Comment
  UCD135129  Pseudotsuga menziesii var. menziesii P. Zinke 1950-8-3 145 Humboldt California Forest and Range Experiment Station. 3 miles south of Harris. Comment
  HSC32362  Psilocarphus tenellus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5710 Humboldt McKeown Ranch, N of Dinsmore Comment
  UC1223165  Psilocarphus tenellus Joseph P. Tracy 1948-6-13 18056 Humboldt 3 mi w Harris 762 Comment
  HSC1163  Pteridium aquilinum var. pubescens R. I. Bonn 1965-5-9 41 Humboldt 4 mi. W of Arcata on Lanphere Rd. Comment
  HSC54600  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-24 9682 Humboldt Near Friday camp, close to the town of Willow Creek 1250 Comment
  SD42991  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-30 Humboldt south of Orick Comment
  CAS-BOT-BC460602  Pyrola aphylla Doris Kildale 1931-5-24 10846 Humboldt Little Laribee, Laribee Valley Comment
  HSC63482  Pyrola asarifolia subsp. asarifolia M. A. Baker 1979-6-6 362 Humboldt 1.5 km N of Post Office on Patrick's Point Drive, Trinidad Comment
  HSC41260  Pyrola dentata Brad Klipfel 1974-7-23 452 Humboldt Horse Mtn., N of the towers Comment
  HSC98509  Pyrola minor Cara Witte 2008-7-25 939 Humboldt Forest Service Road 5N10. Approximately 1.5 miles north of intersection with Forest Service Road 5N10C. 1319 Comment
  HSC55032  Pyrola picta Overton, Butler 1979-7-31 11471 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  UC1197577  Pyrola picta Joseph P. Tracy 1933-7-25 12876 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  UC562451  Pyrola picta Joseph P. Tracy Jul 16 1930-Jul 19 1930 9033 Humboldt near McKay Camp (Northern Coast Ranges, South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC466041  Pyrola picta Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  UC21699  Pyrola picta J. Burtt Davy Jun 1899 5876 B Humboldt North Coast Ranges, Hoopa Mountains Hoopa Mountains; North Coast Ranges, Hoopa Mountains Comment
  CAS-BOT-BC62630  Quercus chrysolepis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC478893  Quercus chrysolepis Marcus E. Jones, A. M. 1931-7-16 28845 Humboldt near Trinity River (Burnt Ranch) Comment
  UC667985  Quercus garryana var. breweri Joseph P. Tracy 1935-7-14 14091 Humboldt Grouse Mountain North Coast Ranges 1524 Comment
  HSC98850  Quercus garryana var. garryana Cara Witte 2008-9-13 1037 Humboldt Forest Service Road 4N06. 1/4 mile east of intersection with National Forest 1. Cow Creek Ridge. 1283 Comment
  UC672858  Quercus kelloggii Joseph P. Tracy 1940-9-15 16723 Humboldt Willow Creek Trinity River Valley 152 Comment
  UCD47250  Quercus sadleriana W. L. Jepson 1902-7-16 2033 Humboldt Ridges and slopes just below summit; Trinity Summit. 1524 Comment
  CAS-BOT-BC104538  Quercus vacciniifolia D. E. Breedlove 1961-7-4 648 Humboldt 7 miles W of Willow Creek on US 299 521 Comment
  HSC41254  Quercus vacciniifolia Brad Klipfel 1974-6-25 444 Humboldt Horse Mtn. Comment
  HSC76360  Quercus vacciniifolia Denis Kearns 1981-7-6 81 Humboldt Near Mosquito Lake 1256 Comment
  UC1196537  Quercus vacciniifolia Joseph P. Tracy 1935-7-14 14065 Humboldt back of Clear Lake; North Coast Ranges, Grouse Mountain 1524 Comment
Read comments
Dec 14 2007
  UCD47445  Quercus vacciniifolia John M. Tucker 1948-9-3 1851 Humboldt California, Humbolt Co.; Horse Mountain, at junction of roads to Grouse Mountain and to Horse Mountain Mine, Six Rivers National Forest; Comment
  CAS-BOT-BC379173  Ranunculus aquatilis var. aquatilis Joseph P. Tracy 1937-5-30 15311 Humboldt Larrabee Creek; in shallow pond near Bosworth's 366 Comment
  POM269622  Ranunculus flammula var. ovalis Joseph P. Tracy 1934-7-13 13390 Humboldt Dow's Prairie Comment
  HSC18153  Ranunculus muricatus T. W. Beck 1963-5-10 50 Humboldt Camp Bauer, Korbel Comment
  HSC71056  Ranunculus occidentalis Thomas W. Nelson, Jane P. Nelson 1977-5-30 3390 Humboldt McKeown Ranch. Along road to Anderson's Ford. 854 Comment
  HSC39588  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1976-6-22 2807 Humboldt Around Senteney Rock 1524 Comment
  HSC53893  Ranunculus orthorhynchus Griswold, Butler 1979-7-11 6394 Humboldt Near Snow Camp Mtn., close to the town of Willow Creek. 1320 Comment
  POM126167  Ranunculus orthorhynchus Joseph P. Tracy 1922-5-21 6050 Humboldt Fieldbrook. 61 Comment
Read comments
Oct 27 2009
  POM118709  Ranunculus repens Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  UC480960  Ranunculus repens Harley P. Chandler May, 1901 1111 Humboldt Humboldt Bay North Coast Ranges 30 Comment
  POM311440  Ranunculus repens D. E. Breedlove 1962-6-7 3027 Humboldt [?] miles S of Southern city limits of Eureka of Hwy 101. 3 Comment
  HSC100621  Ranunculus tenellus Carl C. Marshall May 1886 222 Humboldt Damp woods. Comment
  HSC18191  Ranunculus uncinatus Jack Rockwell 1962-4-29 33 Humboldt N Bank of Van Duzen River, E of Hwy. 101 Comment
  HSC39396  Ranunculus uncinatus var. parviflorus D. E. Anderson, J. P. Smith 1971-6-28 1249 Humboldt 2.5 mi. S of Blue Lake along the Mad River Comment
  HSC39977  Raphanus raphanistrum Linda M. Barker 1976-7-5 1647 Humboldt 3 mi. W of Arcata Comment
  HSC64070  Raphanus sativus J. P. Smith 1971-10-6 4965 Humboldt End of Murray Rd. in McKinleyville. Comment
  UC1197984  Rhamnus purshiana J. P. Tracy 1901-8-11 1276 Humboldt immediate vicinity Eureka 0 Comment
  UC902200  Rhamnus purshiana Joseph P. Tracy 1947-7-5 17818 Humboldt Box Camp Trinity Summit 1463 Comment
  SDSU3417  Rhododendron macrophyllum D. F. Howe 1961-8-2 3120 Humboldt 7.7 miles east of Orick and Bald Mt. road. 610 Comment
  UC1197789  Rhododendron occidentale J. P. Tracy 1901-6-23 1165 Humboldt immediate vicinity of Eurek 0 Comment
  UCSB24457  Rhododendron occidentale McMinn, Howard 1934-6-22 Humboldt Sea Cliff north of Eureka Comment
  SEINET11976085  Rhododendron occidentale H. P. Chandler 1901-1 1448 Humboldt Klamath 457 Comment
  HSC91896  Rhododendron occidentale var. paludosum E. Mackey 1987-5-19 Humboldt Patrick's Point State Park, on road to Palmer's Point Comment
  UCD116925  Rhus aromatica M. Wiesendanger 1928-4-7 931 Humboldt Near Blue Lakes. Comment
  HSC99095  Ribes binominatum Cara Witte 2008-7-28 944 Humboldt Buck Flat. Near intersection of National Forest 1 and Forest Service Road 5N01. 1591 Comment
  UC1198922  Ribes binominatum Joseph P. Tracy 1949-7-19 18385 Humboldt Grouse Mountain 1524 Comment
  CAS-BOT-BC92879  Ribes bracteosum Joseph P. Tracy 1948-9-5 18165 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  HSC56243  Ribes bracteosum Walter Overton 1979-8-1 12345 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  RSA183639  Ribes bracteosum D. E. Anderson 1965-5-8 3632 Humboldt 0.6 miles west of bridge over North Fork of Mad River, along Highway 299 Comment
  UC1046563  Ribes bracteosum R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3407 Humboldt near High Prairie (on long high ridge between Mad River and Redwood Creek); Bald Mountain 1066 Comment
  HSC100490  Ribes bracteosum Carl C. Marshall May 1886 194 Humboldt Near stream. Comment
  CAS-BOT-BC168854  Ribes inerme var. klamathense Joseph P. Tracy 1939-5-6 16281 Humboldt Lack Pond, in Trinity River Valley, opposite mouth of Willow Creek 152 Comment
  HSC56246  Ribes lacustre Walter Overton 1979-8-1 12353 Humboldt Near Packsaddle Ridge, close to the town of Hoopa 1341 Comment
  UC56313  Ribes laxiflorum J. P. Tracy 1897-4-8 Humboldt Eureka Comment
  UCR80295  Ribes laxiflorum H. E. Parks, S. T. Parks 1937-6-4 24004 Humboldt North Coast, along Prairie Creek at Valley Green Comment
  CDA25540  Ribes lobbii Gordon Leppig 1998-6-1 866 Humboldt Horse Mountain. Buck Flat, Titlow Hill Road at Ammon Ridge Road. Comment
  HSC48833  Ribes lobbii Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 46 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  UC1198927  Ribes lobbii Joseph P. Tracy 1913-7-20 4385 Humboldt near summit of ridge between Three Creeks and Redwood Creek (Three Creeks side); Northern Coast Ranges 1066 Comment
  UC1541294  Ribes lobbii W. K. Parks July 1933 Humboldt South Fork Mountain Comment
  HSC57640  Ribes marshallii G. L. Clifton, Griswold 1979-7-25 10804 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC57895  Ribes marshallii Overton, Butler 1979-7-31 11472 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  CAS-BOT-BC206032  Ribes menziesii Harold E. Parks 1933-4-1 4402 Humboldt McNeils Creek, vicinity of Trinidad Comment
  CAS-BOT-BC206045  Ribes menziesii L. R. Abrams 1916-7-11 6033 Humboldt Mouth of Grizzly Creek on Van Duzon [Duzen] River Comment
  UC1198934  Ribes menziesii Joseph P. Tracy 1918-5-12 4933 Humboldt Eureka Northern Coast Ranges 0 Comment
  UC1541331  Ribes menziesii Harold E. Parks April 1933 4402 Humboldt vicinity Trinidad (type locality) Comment
  HSC20310  Ribes menziesii F. S. Griffith 1965-3-20 104 Humboldt 1.0 mi. E of Hwy. 101 along Mad River Rd. Comment
  UCD102480  Ribes roezlii P. Zinke 1950-8-4 153 Humboldt 2 miles west of Harris Post Office. 853 Comment
  UCR270273  Ribes roezlii John F. Emmel 2003-7-30 1799 Humboldt North Coast Range, Redwood National Park, 16.6 road miles southeast of Hwy 101 on Bald Hills Road, c. 0.3-0.4 air mile west of Schoolhouse Peak 823 Comment
  HSC48738  Ribes sanguineum Brad Klipfel 1973-6-10 69 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC144693  Ribes sanguineum var. glutinosum Doris K. Kildale 1927-5-1 3116 Humboldt Blocksburg 518 Comment
  UC1198910  Ribes sanguineum var. glutinosum Joseph P. Tracy 1928-4-22 8412 Humboldt Willow Creek Canyon Northern Coast Ranges 762 Comment
  UC1215537  Ribes sanguineum var. glutinosum D. E. Anderson 1962-1-12 1907 Humboldt along road to Lanphere Ranch Comment
  UC154116  Ribes sanguineum var. glutinosum J. P. Tracy 1909-3-29 2948 Humboldt immediate vicinity Eureka 0 Comment
  HSC32923  Rigiopappus leptocladus Thomas W. Nelson, James Nelson 1973-5-28 969 Humboldt McKeown Ranch N of Dinsmore Comment
  UC1541376  Romanzoffia tracyi Parks and Tracy March 1934 8132 Humboldt heads opposite Spruce Cove (Trinidad); , Spruce Cove Comment
  CAS-BOT-BC74507  Rorippa curvisiliqua Doris K. Kildale 1929-5-26 9140 Humboldt Klamath River at Orleans. 152 Comment
  CAS-BOT-BC74512  Rorippa curvisiliqua S. K. Harris; J. P. Tracy; H. S. Yates 1936-6-17 3438 Humboldt Northwest slopes of Buck Mountain. 822 Comment
  HSC32315  Rorippa curvisiliqua D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5657 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  UC183573  Rorippa nasturtium-aquaticum Joseph P. Tracy 1912-7-26 3830 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  POM275376  Rosa eglanteria Lyman D. Benson 1928-7-10 415 Humboldt Weott Ranger Station. Mtn. Range: Seaward N Coast; Watershed: S Fork Eel River. 61 Comment
  RSA2930  Rosa eglanteria Carl B. Wolf 1931-8-28 2363 Humboldt 1/8 mile from Rohnerville on the road to Fortuna 30 Comment
  BLMAR162  Rosa gymnocarpa Donald Hazlett 1994-6-7 162 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  CAS-BOT-BC146487  Rosa gymnocarpa Doris K. Kildale 1927-5-13 3176 Humboldt Redwood Creek at Berry's 289 Comment
  HSC19624  Rosa gymnocarpa Lincoln Constance 1934-6-2 791 Humboldt Bull Creek Rd. to mouth of Bull Creek, top Bull Creek Comment
  POM232034  Rosa gymnocarpa I. L. Wiggins 1930-7-22 4695 Humboldt Along bank of Redwood Creek btwn Blue Lake and Willow Creek. Comment
  SEINET200819  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain ,viz. Ridge north of Willow Creek, between Willow and Campbell Creeks, near the summit 1219 Comment
  UC162330  Rosa gymnocarpa Joseph P. Tracy 1911-7-7 3428 Humboldt Brannan Mountain Northern Coast Ranges (viz ridge n of Willow Creek, between Willow and Campbell Creeks, near summit) 1219 Comment
  UC527562  Rosa gymnocarpa C. B. Wolf 1931-8-30 2376 Humboldt 11 mi above Blue Lake (on Lord Ellis Rd to Willow Creek) 304 Comment
  HSC98694  Rosa gymnocarpa var. gymnocarpa Cara Witte 2007-6-5 213 Humboldt Near Grouse Mountain. Along Forest Service Road 4N32. Approximately 1 mile south of intersection with 5N04. 1434 Comment
  HSC19634  Rosa nutkana C. G. Young 1967-7-29 8 Humboldt Eureka City Golf Course, SE side Comment
  HSC98101  Rosa nutkana Cara Witte 2007-6-21 329 Humboldt White Oak Opening. Along Kinsey Ridge. 1259 Comment
  UC1199020  Rosa nutkana var. nutkana Joseph P. Tracy 1928-12-2 8525 Humboldt Elk River Corners Northern Coast Ranges, Eureka 0 Comment
  POM275415  Rosa pinetorum Lyman D. Benson 1928-7-12 s.n. Humboldt Clam Beach, Trinidad. 15 Comment
  CAS-BOT-BC148347  Rosa pisocarpa Doris K. Kildale 1928-6-24 5238 Humboldt Redwood Creek at Berry's 289 Comment
  JEPS45699  Rosa pisocarpa Joseph P. Tracy 1923-9-16 6550 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC60308  Rubus armeniacus J. P. Smith, Steve Selva 1970-6-14 3850 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  CAS-BOT-BC148387  Rubus leucodermis W. R. Dudley 1899-6-20 s.n. Humboldt South Fork of Eel River Comment
  HSC57010  Rubus leucodermis Overton, Butler 1979-7-24 9603 Humboldt Near Titlow Hill, close to the town of Willow Creek. 1250 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
  CAS-BOT-BC147241  Rubus parviflorus E. A. McGregor 1921-8-17 s.n. Humboldt On old abandoned road grade S.E. of Orick Comment
  HSC31795  Rubus parviflorus Steve Selva, Roger Jensen 1974-8-28 98 Humboldt Behind Humboldt State University, Arcata. Comment
  JEPS47713  Rubus parviflorus Mrs. George Parrish 1930-5-21 Humboldt Trinidad Comment
  SEINET5320889  Rubus parviflorus A. T. Leiser 1980-7-9 Humboldt North of Orick; North of Orick, Highway 101 reroute, near Redwood Park Comment
  POM117571  Rubus parviflorus var. velutinus Marcus E. Jones 1924-4-26 s.n. Humboldt Eureka. Comment
  CHSC19742  Rubus spectabilis Gary J. Stebbins 1970-2-21 9 Humboldt Patricks Point State Park. Comment
  HSC19685  Rubus spectabilis Francis Winter 1960-3-26 Humboldt Samoa Peninsula 6 mi. W of Arcata Comment
  HSC37377  Rubus spectabilis Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 503 Humboldt Along Lost Man Creek. 38 Comment
  UC1199046  Rubus spectabilis Joseph P. Tracy 1931-4-12 9333 Humboldt near Blue Lake (Mad River (at Essex)); Northern Coast Region, Mad River 15 Comment
  UC902132  Rubus spectabilis Joseph P. Tracy 1949-4-3 18279 Humboldt along coast in front South End of Stone Lagoon (Dry Lagoon); in front of South End Stone Lagoon, Dry Lagoon 3 Comment
  HSC99432  Rubus ursinus K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 81 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC154260  Rubus ursinus J. P. Tracy 1909-4-18 2952 Humboldt immediate vicinity Eureka; immediate vicinity of Eureka 0 Comment
  UCD17624  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 040 Humboldt California. Humboldt County: on left side of U.S. 101 going north, about 0.5 miles north of Rock Creek Crossing. Comment
  CAS-BOT-BC363202  Rudbeckia occidentalis Carl B. Wolf 1937-8-13 9250 Humboldt North Coast Range, 11 mi. E. of Hoopa Valley on new road towards Trinity Summit 1524 Comment
  HSC102579  Rumex acetosella M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1566 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  HSC17572  Rumex acetosella R. D. Modafferi 1965-3-19 33 Humboldt 0.9 mi. S of Trinidad on Hwy. 101 305 Comment
  HSC89469  Rumex acetosella P. A. Daly 1986-3-12 99 Humboldt Trinidad Head, along trail 61 Comment
  SEINET10479364  Rumex acetosella Mary Susan Taylor 1977-8-2 Taylor 1424 Humboldt In mountains above and east of Eureka. Comment
  SEINET200757  Rumex crispus Joseph P. Tracy 1908-7-30 2806 Humboldt Valley of Van Duzen River, opposite Buck Mountain. 300 Comment
  CDA2887  Rumex pulcher T. C. Fuller 1958-6-17 589 -58 Humboldt Hydesville. 0 Comment
  HSC98046  Rupertia physodes Cara Witte 2007-6-14 280 Humboldt Along National Forest 1 on Kinsey Ridge. 1/2 mile north of White Oak Opening. 1258 Comment
  CAS-BOT-BC454099  Ruppia cirrhosa Malcom A. Nobs; S. Galen Smith 1949-8-3 1182 Humboldt Near mouth of the Elk River on Highway 101, ca. 4 miles south of Eureka Comment
  RSA84988  Ruppia maritima F. W. Peirson 1923-7-11 3962 Humboldt 20 miles south of Eureka. Comment
  UCD138323  Ruppia maritima Malcolm A. Nobs; S. Galen Smith 1949-8-3 1181 Humboldt Near mouth of the Elk River on Highway 101, ca. 4 miles south of Eureka. Comment
  UC1103258  Rytidosperma penicillatum Joseph P. Tracy 1949-8-11 18451 Humboldt on the Bald Mt. road near Angels Ranch; Hungry Hollow 762 Comment
  CAS-BOT-BC445640  Sagittaria cuneata Henry M. Pollard 1946-8-16 s.n. Humboldt Pond near Harley place, Orleans region Comment
  HSC90393  Salicornia depressa Jean Hanson 1980-8-28 113 Humboldt Indian (Gunther) Island in Humboldt Bay, Eureka, across from Coast Guard Station within 30 ft. of high tide line Comment
  UC1191405  Salicornia virginica Malcolm A. Nobs and S. Galen Smith 1949-8-3 1170 Humboldt around Field's Landing Field's Landing Comment
  CAS-BOT-BC132708  Salix A. T. Whittemore 1980-3-15 80 -008 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  UC490538  Salix eastwoodiae Joseph P. Tracy 1932-7-16 10647 Humboldt blueberry swamp in McKay Meadow; Klamath Mts., Trinity Summit 1524 Comment
  JEPS12968  Salix exigua Joseph P. Tracy 1931-9-7 9642 Humboldt at Willow Creek Trinity River Valley; Northern Coast Ranges, Trinity River Valley 152 Comment
  SBBG58914  Salix exigua var. hindsiana H. E. Parks, J. P. Tracy 1931-5-17 971 Humboldt mouth of Willow Crk at Trinity River Comment
  CAS-BOT-BC104102  Salix hindsiana Harold E. Parks 1931-8-25 01061 Humboldt Blue Slide, Van Duzen River 90 Comment
  CAS-BOT-BC107721  Salix hookeriana Joseph P. Tracy 1936-2-23 14773 Humboldt Fortuna, on bank of Eel River 15 Comment
  CAS-BOT-BC107741  Salix hookeriana Joseph P. Tracy 1931-4-4 9330 Humboldt Sand dunes, near Samoa 6 Comment
  CAS-BOT-BC107769  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1222 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  HSC19956  Salix hookeriana H. E. Parks, S. T. Parks 1932-4-5 1103 Humboldt Little River Lagoon Comment
  HSC38177  Salix hookeriana Thomas W. Nelson 1976-3-5 3285 Humboldt Beside Martin's Slough just upstream from Eureka Muni Golf Course Comment
  HSC40380  Salix hookeriana Linda M. Barker 1976-3-22 1341 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC90185  Salix hookeriana Jean Hanson 1980-3-8 2 Humboldt Indian (Gunther) Island, Humboldt Bay, Eureka, W end of island Comment
  HSC90764  Salix hookeriana Gail Newton 1983-6-5 3641 Humboldt Elk River Wildlife Area, Eureka Comment
  HSC96368  Salix hookeriana Gordon Leppig 1999-4-15 1121 Humboldt Big Lagoon County Park, Big Lagoon Bog 3 Comment
  HSC96617  Salix hookeriana Gordon Leppig 2005-4-8 2203 Humboldt N spit, S end of Peninsula Dr. 3 Comment
  JEPS13088  Salix hookeriana Joseph P. Tracy 1937-8-12 15658 Humboldt Snow Camp 1402 Comment
  JEPS14771  Salix hookeriana Joseph P. Tracy 1933-3-19 10924 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  SD938  Salix hookeriana Harold E. Parks 1931-5-28 1000 Humboldt Little River Lagoon 0 Comment
  UC1173588  Salix hookeriana Joseph P. Tracy 1937-7-27 15508 Humboldt Lindsay Creek Mad River (mouth) 15 Comment
  UC1196556  Salix hookeriana Joseph P. Tracy 1937-4-11 15261 Humboldt along Eel Rl Camp Grant (2-5 mi e of the South Fork); S. Fork Eel R., Camp Grant 45 Comment
  UC1196634  Salix hookeriana Joseph P. Tracy 1934-3-10 13161 Humboldt Big Lagoon Northern Coast Region 6 Comment
  UC1225922  Salix hookeriana Joseph P. Tracy 1947-7-2 17758 Humboldt 6 mi s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC1356324  Salix hookeriana Theodore J. Crovello 1965-4-8 676 Humboldt along Somoa Rd about 200 ft n Samoa Club Comment
  UC470405  Salix hookeriana Joseph P. Tracy 1931-8-9 9609 Humboldt on Van Duzen R. Blue Slide; Northern Coast Ranges, Van Duzen R. 91 Comment
  UC470426  Salix hookeriana Joseph P. Tracy 1931-11-15 9762 Humboldt Alton to Fortuna (on gravel bars); Northern Coast Region, Eel River 15 Comment
  UC470433  Salix hookeriana Joseph P. Tracy 1927-9-25 8383 Humboldt Table Bluff Northern Coast Ranges 91 Comment
  UC470438  Salix hookeriana Joseph P. Tracy 1931-9-19 9674 Humboldt on Van Duzen R. Alton; Northern Coast Region, , Van Duzen R. 30 Comment
  UC490474  Salix hookeriana H. E. Parks and Joseph P. Tracy 1932-8-13 10342 Humboldt vicinity Trinidad; Northern Coast Region 60 Comment
  UC504055  Salix hookeriana Jim Davis Apr 25 1933-Apr 27 1933 4 Humboldt around Eureka Comment
  UC512080  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1225 Humboldt 1 mi n Samoa (pine barrens near coast, r.r right-of-way) Comment
  UC709425  Salix hookeriana Joseph P. Tracy 1941-3-9 16801 Humboldt along Eel R. Camp Grant; Eel R. 48 Comment
  UC481801  Salix laevigata Mrs. H. P. Bracelin 1931-5-1 267 Humboldt between Miranda and Meyers (Sylvandale Station, S. Fork Eel R.); Sylvandale Station, S. Fork Eel R. Comment
  UC1196587  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1927-11-13 8394 Humboldt near mouth Little R.; Northern Coast Ranges, Little R. 6 Comment
  UC490526  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1932-4-17 9795 Humboldt Alton to Fortuna (Eel R.); Northern Coast Region, Eel R. 15 Comment
  RSA0038347  Salix lasiandra var. lancifolia Harold E. Parks 1931-5-14 0959 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  CAS-BOT-BC125228  Salix lasiandra var. lasiandra Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-11 01206 Humboldt Little River Lagoon, 4 1/2 miles south of Trinidad, elevation approximately sea level Comment
  CAS-BOT-BC128198  Salix lasiandra var. lasiandra Doris K. Kildale 1927-7-19 3773 Humboldt Pond naer Jarnigan's, Upper Mad River Comment
  SJSU164  Salix lasiandra var. lasiandra H. E. Parks 1931-5-14 959 Humboldt Van Duzen R between Alton & Carlotta 15 Comment
  CAS-BOT-BC107583  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-13 1254 Humboldt Floodplain of Mad River at Engelhart gravel pit, 2 miles east of Redwood Highway and above Blue Lake Road Comment
  CAS-BOT-BC107614  Salix lasiolepis Harold E. Parks 1933-2-26 10912 Humboldt Miranda, south fork of Eel River 121 Comment
  HSC19991  Salix lasiolepis A. Sylvester, R. Spellenberg, D. Sutherland 1966-3-27 1357 Humboldt 1.5 mi. E of Blue Lake on Hwy. 299 Comment
  HSC20010  Salix lasiolepis J. P. Tracy 1933-2-26 10914 Humboldt Miranda, S Fork of Eel River 122 Comment
  HSC98048  Salix lasiolepis Cara Witte 2007-7-17 542 Humboldt White Oak Opening 1257 Comment
  JEPS12897  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek at Berry's; Northern Coast Ranges 274 Comment
  JEPS14752  Salix lasiolepis Joseph P. Tracy 1932-6-4 10128 Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  POM160285  Salix lasiolepis Joseph P. Tracy 1926-2-28 7373 Humboldt Trinity River Valley, near the S Fork. 183 Comment
  UC1196627  Salix lasiolepis Joseph P. Tracy 1935-5-25 13890 Humboldt North Dobbyn Creek Dobbyn Creek 152 Comment
  UC1225927  Salix lasiolepis Joseph P. Tracy 1947-6-28 17755 Humboldt Bridgeville Van Duzen River 198 Comment
  UC469412  Salix lasiolepis Joseph P. Tracy 1927-4-10 7887 Humboldt Redwood Creek, at Berry's 274 Comment
  UC481290  Salix lasiolepis Harold E. Parks 1931-5-14 963 Humboldt between Alton and Carlotta; Van Duzen River 15 Comment
  UC481337  Salix lasiolepis Harold E. Parks 1931-10-15 1076 Humboldt Bishop Pine Lodge Trinidad; , Bishop Pine Lodge 75 Comment
  UC492345  Salix lasiolepis Harold E. and Susan T. Parks 1932-4-12 1112 Humboldt on Van Duzen R. Blue Slide; Van Duzen R., Blue Slide 90 Comment
  UC506390  Salix lasiolepis Joseph P. Tracy 1932-10-8 10867 Humboldt Berry's Mt. Northern Coast Ranges (on Trinity Hwy) 762 Comment
  UC519330  Salix lasiolepis Joseph P. Tracy 1933-5-20 12266 Humboldt Mattole River, near Petrolia 15 Comment
  UC526714  Salix lasiolepis Joseph P. Tracy 1934-3-4 13142 Humboldt Miranda, South Fork of Eel River 121 Comment
  CAS-BOT-BC107298  Salix lasiolepis var. bigelovii Harold E. Parks; Joseph P. Tracy 1931-5-17 0976 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC107408  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-5-13 3145 Humboldt Redwood Creek at Berry's 289 Comment
  POM220145  Salix lucida subsp. lasiandra H. E. Parks, Joseph P. Tracy 1931-5-17 966 Humboldt Mouth of Willow Creek at Trinity River. 150 Comment
  HSC20042  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River, between Alton and Carlotta 15 Comment
  HSC20057  Salix melanopsis H. E. Parks Jun 1933 Humboldt S Fork Eel River Comment
  HSC20061  Salix melanopsis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-12 1234 Humboldt Van Duzen River, 1.5 mi. E of Alton 30 Comment
  RSA5689  Salix melanopsis H. E. Parks 1931-5-14 960 Humboldt Van Duzen River between Alton and Carlotta. 15 Comment
  SBBG28829  Salix melanopsis H. E. Parks 1931-5-14 964 Humboldt Van Duzen River between Alton and Carlotta 15 Comment
  SBBG57930  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 972 Humboldt mouth of Willow Crk at Trinity River 150 Comment
  UC1196570  Salix melanopsis Joseph P. Tracy 1932-7-31 10292 Humboldt at mouth of Larrabee Creek Eel R.; Northern Coast Ranges, Eel R. 60 Comment
  UC481829  Salix melanopsis Mrs. H. P. Bracelin 1931-5-2 284 Humboldt 6 mi. s. Alton (e. of Redwood Hwy.) Comment
  UC511995  Salix melanopsis Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1237 Humboldt Van Duzen R. at Blue Slide; Van Duzen R. 91 Comment
  UC519374  Salix melanopsis Joseph P. Tracy 1933-6-9 12532 Humboldt along Eel R. Shively; Northern Coast Ranges, , Eel R. 30 Comment
  CAS-BOT-BC129161  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt Vicinity of Carlotta 30 Comment
  HSC38188  Salix scouleriana Thomas W. Nelson, James Nelson 1976-3-5 3294 Humboldt Beside Hwy. 101 near summit of Table Bluff Comment
  SBBG28833  Salix scouleriana H. E. Parks 1931-5-14 957 Humboldt Little Larabee Bridge, Van Duzen River 450 Comment
  SBBG57977  Salix scouleriana H. E. Parks 1931-5-12 955 a Humboldt Samoa, Humboldt Bay Comment
  UC490505  Salix scouleriana Joseph P. Tracy 1932-8-11 10338 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  UCR143480  Salix scouleriana H. E. Parks 1931-5-12 0951 Humboldt North Coast, Bishop Pine Lodge, Trinidad 150 Comment
  CAS-BOT-BC128954  Salix sitchensis Kenneth Clark 1980-3-24 546 Humboldt On alluvial terrace of Dead Man's Gulch - Shelter Cove 15 Comment
  HSC20107  Salix sitchensis H. E. Parks 1931-3-24 903 Humboldt Orick Comment
  HSC37879  Salix sitchensis Thomas W. Nelson 1976-3-22 2281 Humboldt Cooper's Gulch near Franklin Elementary School Comment
  HSC38186  Salix sitchensis Thomas W. Nelson, James Nelson 1976-3-23 3288 Humboldt Eureka, E side of F St., 3800 block Comment
  JEPS38498  Salix sitchensis Milo S. Baker 1923-7-23 89 Humboldt Manning Creek Comment
  UC203992  Salix sitchensis Joseph P. Tracy 1918-4-13 4869 Humboldt Jacoby Creek Quarry; Northern Coast Ranges, Jacoby Creek Quarry 91 Comment
  UC490533  Salix sitchensis Joseph P. Tracy 1932-7-16 10646 Humboldt open ground at Corral Prairie; Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  HSC20130  Salix tracyi H. E. Parks 1931-5-17 976 Humboldt Humboldt and Trinity Cos., Willow Creek 152 Comment
  UC504018  Salix tracyi C. R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-12 1244 Humboldt Van Duzen River at Blue Slide 91 Comment
  RSA407350  Sambucus callicarpa Lyman Benson 1973-08 429 Humboldt Clam Beach, Trinidad 30 Comment
  UC1239543  Sambucus mexicana Joseph P. Tracy 1932-7-17 10668 Humboldt ridges e Corral Prairie; Trinity Summit 1828 Comment
  UC177248  Sambucus mexicana Joseph P. Tracy 1912-7-26 3836 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  CAS-BOT-BC235125  Sambucus racemosa var. racemosa C. B. Wolf 1930-10-26 1765 Humboldt 1 mi. so. of Trinidad 91 Comment
  CAS-BOT-BC235126  Sambucus racemosa var. racemosa C. B. Wolf 1930-10-26 1765 Humboldt 1 mi. so. of Trinidad 91 Comment
  UCSB15630  Sambucus racemosa var. racemosa 1962-6-8 Humboldt Along U.S. Highway 101, 5 miles south of Orick 30 Comment
  CHSC52919  Sanicula arctopoides L. P. Janeway 1984-4-11 728 Humboldt On the North Spit of Humboldt Bay; northwest of the boat ramp and north of the Coast Guard Sta. 4 Comment
  HSC21615  Sanicula arctopoides R. T. Forester 1963-3-13 22 Humboldt 1/2 mi. N of Fairhaven on Samoa Rd. Comment
  CAS-BOT-BC223253  Sanicula bipinnatifida Joseph P. Tracy 1938-7-4 15985 Humboldt Valley of South Yager Creek 762 Comment
  HSC77963  Sanicula crassicaulis L. P. Janeway, Paul Wilson 1984-5-7 762 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  HSC89601  Sanicula crassicaulis M. Roantree 1985-4-28 16 Humboldt W side of Trinidad Head, along trail Comment
  HSC96220  Sanicula crassicaulis April A. Allard, Gregory D. O'Connell 2005-6-8 4 Humboldt 0.4 mi. S of Hwy. 299 on Titlow Hill Rd. 854 Comment
  UC1022531  Sanicula crassicaulis C. Ritchie Bell 1952-5-14 3 X458 Humboldt near Alton Railroad Station Comment
  UC1197085  Sanicula laciniata Joseph P. Tracy 1923-6-20 6343 Humboldt Northern Coast Ranges, Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  UCD128032  Sanicula laciniata R. N. Raynor 1935-3-2 s.n. Humboldt Fort Seward. Comment
  UC32523  Sanicula tuberosa Chesnut and Drew 1888-7-21 Humboldt South Fork Mountain Comment
  UC1198879  Saxifraga californica Joseph P. Tracy 1927-4-2 7882 Humboldt facing South Fork Eel River ( Phillipsville); Northern Coast Ranges, Phillipsville 121 Comment
  UC492228  Saxifraga ferruginea Joseph P. Tracy 1932-7-18 10710 Humboldt head of Brett Hole (Trinity Summit); Klamath Mountins, , Brett Hole 1828 Comment
  SEINET3411470 Image available Saxifraga mertensiana Lincoln Constance, Reed C Rollins 1942-5-11 2869 Humboldt Three miles W of East Fork of Willow Creek Comment
  JEPS945  Scandix pecten-veneris Joseph P. Tracy 1923-6-20 6342 Humboldt Northern Coast Ranges, Garberville Garberville; Northern Coast Ranges, Garberville 121 Comment
  RSA246889  Schoenoplectus acutus var. occidentalis Robert F. Thorne, Percy C. Everett 1965-8-9 35283 Humboldt Big Lagoon. 3 Comment
  HSC36132  Schoenoplectus americanus Rod Blacker 1974-5-15 741505 .5 Humboldt Near margin of Humboldt Bay at Arcata oxidation pond Comment
  CAS-BOT-BC111700  Schoenoplectus pungens var. longispicatus D. E. Breedlove 1962-6-7 3053 Humboldt On extensive sand dunes 1.5 mi S of Samoa on peninsula on W side of Humboldt Bay. Comment
  UC1103630  Scirpus cernuus Joseph P. Tracy 1939-8-20 16433 Humboldt Big Lagoon 6 Comment
  UC668009  Scirpus microcarpus Joseph P. Tracy 1933-7-25 12860 Humboldt Grouse Mountain 1524 Comment
  CDA39145  Scirpus microcarpus Gordon Leppig 1998-6-26 861 Humboldt Arcata; Alder Grove Pond, south side of pond. Comment
  HSC48781  Scirpus microcarpus Brad Klipfel 1974-5-11 336 Humboldt SW side of Big Lagoon Comment
  SEINET8501887  Scoliopus bigelovii R. R. Halse 2013-3-28 8766 Humboldt Along US Hwy. 101 ca. 2.2 miles S of Exit 671 to Pepperwood. 76 Comment
  HSC15635  Scoliopus bigelovii D. E. Anderson 1962-3-17 1938 Humboldt Comment
  SBBG52998  Scrophularia californica J. D. Hobson -Jul-1966 Humboldt S end of sand spit forming Eureka Harbor, 10 mi S of Eureka; Loleta Comment
  HSC31640  Scrophularia californica Glenn McGourty 1974-6-1 82 Humboldt Comment
  HSC90314  Scrophularia californica Jean Hanson 1981-5-10 139 Humboldt Indian (Gunther) Island, Humboldt Bay, city of Eureka, W end of island Comment
  UCD170580  Scrophularia californica Gordon Leppig 1998-4-14 739 Humboldt McKinleyville, Central Ave. south-bound lane near 101 junction. 42 Comment
  UC162687  Scutellaria antirrhinoides Joseph P. Tracy 1911-7-7 3399 Humboldt 3 mi nw of junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges 914 Comment
  UC175792  Scutellaria antirrhinoides Joseph P. Tracy 1912-7-21 3760 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  JEPS62919  Scutellaria antirrhinoides W. L. Jepson 1902-7-1 1969 Humboldt near Berrys Ranch (Redwood Creek, Expedition from Ukiah to the Hupa Indian Reservation); Redwood Creek Comment
  UC1586911  Scutellaria antirrhinoides Juha Pykala and D. H. Norris 1987-5-20 794 Humboldt along Bull Creek Road from Panter Gap to 4 mi s of Panther Gap 243 Comment
  UCD125670  Scutellaria antirrhinoides K. Esau 1934-5-7 s.n. Humboldt Above Fort Seward. 457 Comment
  HSC70891  Sedum laxum subsp. heckneri Gail Newton 1980-7-23 1707 Humboldt Near Packsaddle Ridge 1463 Comment
  HSC76354  Sedum laxum subsp. heckneri Denis Kearns 1981-6-24 32 Humboldt Near Cedar Camp 1219 Comment
  JEPS47745  Sedum laxum subsp. heckneri Wayne Roderick 1961-7-10 61 .989 Humboldt 6.6 mi n Orleans (Klamath River, 1.4 mi s of Siskiyou County line (Somesbar)); Klamath River, n of Orleans 152 Comment
  CAS-BOT-BC61460  Sedum laxum subsp. heckneri Volney Rattan 106 Humboldt Klamath Comment
  HSC56994  Sedum obtusatum subsp. retusum Overton, Butler 1979-7-24 9564 Humboldt Near Titlow Hill, close to the town of Willow Creek 1097 Comment
  SEINET4076756  Sedum radiatum O. M. Clark 1932-1 1295 Humboldt South Eureka. Comment
  CAS-BOT-BC63792  Sedum radiatum subsp. radiatum Reid Moran 1951-6-13 3485 Humboldt West slope of Buck Mountain 853 Comment
  CAS-BOT-BC59127  Sedum spathulifolium Henry M. Pollard 1948-7-28 s.n. Humboldt River road near Orleans Comment
  HSC92016  Sedum spathulifolium var. pruinosum E. Mackey 1987-9-7 Humboldt Patrick's Point State Park Comment
  HSC63138  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-6-28 947 Humboldt NE side near summit of Packsaddle Ridge just N of the most E tip of the N fork of Mill Creek Comment
  CHSC79631  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata, behind Humboldt State University, at base of stump near Fern Lake spillway. UTM zone 10, 4526N, 409E. 48 Comment
  HSC95768  Selaginella kraussiana Gordon Leppig 2000-4-12 1290 Humboldt Arcata: behind Humboldt State University, at base of stump near Fern Lake spillway 49 Comment
  HSC925  Selaginella oregana J. P. Tracy 1933-5-18 12196 Humboldt Mad River, near Blue Lake 15 Comment
  JEPS19021  Selaginella oregana Joseph P. Tracy 1920-10-24 5407 Humboldt near Korbel; Northern Coast Ranges 60 Comment
  CAS-BOT-BC364018  Senecio integerrimus var. major L. B. Kildale 1928-5-27 5957 Humboldt Kneeland Prairie 853 Comment
  HSC6119  Senecio integerrimus var. major D. E. Anderson 1965-5-8 3654 Humboldt About 3.5 mi. N of Willow Creek along road running along E side of Trinity River Comment
  CDA8652  Senecio integerrimus var. major T. R. Haig 1960-6-18 Humboldt Kneeland Quarry, 0.5 mile northeast of Kneeland School. 0 Comment
  HSC67933  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1974-6-2 7652 Humboldt 1372 Comment
  UC1223153  Senecio sylvaticus Joseph P. Tracy 1941-8-17 16992 Humboldt near High Prairie (Bald Mountain); Bald Mountain Comment
  SEINET3823016 Image available Sequoia sempervirens W. C. Muenscher, M. W. Muenscher 1939-4-15 15056 Humboldt Blair Grove, near Dyersville Comment
  UCD92873  Setaria viridis Joseph P. Tracy 1948-7-26 18078 Humboldt Trinity River Valley, at Willow Creek. Comment
  JEPS79984  Sidalcea diploscypha Joseph P. Tracy 1927-5-30 8087 Humboldt Briceland; Northern Coast Ranges 182 Comment
  SEINET6947342  Sidalcea malviflora subsp. patula W. P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, near serpentine outcrops, about 4 miles southeast of Kneeland. Comment
  HSC46167  Sidalcea oregana subsp. eximia J. P. Smith, Steve Selva 1970-6-30 4122 Humboldt Comment
  HSC103725  Silene bolanderi M. R. Mesler, C. Wilson 2010-6-18 825 Humboldt Along Hwy 36 near pmm 32.53 771 Comment
  CAS-BOT-BC174879  Silene campanulata subsp. glandulosa Volney Rattan 1883-1-1 s.n. Humboldt Hoopa Valley Comment
  CHSC33021  Silene gallica James Payne Smith Jr. 1970-6-7 3804 Humboldt 0.6 miles north of Luffenholtz Beach along Calif. 1 near Trinidad. Comment
  HSC40965  Silene gallica Linda M. Barker 1976-6-14 1593 Humboldt 3 mi. W of Arcata Comment
  UC1198363  Silene gallica Joseph P. Tracy 1931-5-3 9352 Humboldt near Blue Lake (along Mad River); , near Blue Lake 15 Comment
  HSC4188  Silene gallica J. E. Lankila 1962-5-14 23 Humboldt W bank of river at Fernbridge Comment
  HSC68115  Silene gallica J. P. Smith 1973-5-26 6869 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC102545  Silene grayi M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1535 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UCR40032  Silene hookeri subsp. bolanderi T. Jimerson 1983-5-26 s.n. Humboldt Six Rivers National Forest, Lower Trinitty Road; roadside bank on the road to Brush Mountain Lookout off Friday Ridge Road. (6N08) 1088 Comment
  HSC43853  Silene laciniata subsp. californica Maralyn O'Meara 1974-7-17 551 Humboldt Kneeland Comment
  HSC57361  Silene laciniata subsp. californica Overton, Butler 1979-7-26 10065 Humboldt Near Cold Spring, close to the town of Willow Creek 1408 Comment
  HSC4167  Silene laciniata subsp. californica J. Wendell Howe 1931-6-7 Humboldt Wildcat Rd. W of Ferndale Comment
  UC162883  Silene menziesii Harley P. Chandler June, 1901 1319 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  UC161035  Silene scouleri subsp. grandis Joseph P. Tracy Sept. 1904 2141 Humboldt bluff back Bucksport (at Eureka); Northern Coast Region, at Eureka 0 Comment
  RSA168876  Silene verecunda subsp. platyota Joseph P. Tracy 1951-6-26 19586 Humboldt North side of Board Camp Mountain, at extreme head of Redwood Creek. 1541 Comment
  HSC13925  Sisyrinchium bellum D. E. Anderson 1962-3-31 1966 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  HSC23117  Sisyrinchium californicum Norman Dennis 1965-6-3 142 Humboldt Big Lagoon County Park, SW corner of Big Lagoon Comment
  RSA18062  Sisyrinchium californicum Carl B. Wolf 1927-8-22 789 Humboldt Big Lagoon Comment
  UC15049  Smilacina racemosa Mrs. M. H. Manning April, 1901 13 Humboldt near Hupa Comment
  JEPS12067  Solanum americanum Lincoln Constance 1934-6-2 786 Humboldt Bull Creek Road to mouth of (and up) Bull Creek (Bull Creek Region, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  UC1196157  Solanum sarrachoides Joseph P. Tracy 1940-10-15 16758 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  CDA8726  Solidago canadensis subsp. elongata M. R. Pryor 1948-7-22 Humboldt County Road, Loleta. 0 Comment
  HSC57982  Solidago elongata G. L. Clifton, Griswold 1979-7-31 11716 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  JEPS32395  Solidago elongata Lincoln Constance 1934-6-12 867 Humboldt n bank South Fork Eel River (Bull Creek Road, Dyerville); n bank South Fork Eel River, Bull Creek Region, Dyerville Comment
  LA203957  Solidago elongata H. E. Parks; July 1931 - August 1931 1056 Humboldt Trinidad 76 Comment
  UC1199321  Solidago elongata Joseph P. Tracy 1932-7-17 10652 Humboldt Trinity Summit 1584 Comment
  HSC68158  Solidago spathulata J. P. Smith 1971-10-6 4977 Humboldt End of Murray Rd. in McKinleyville. Comment
  RSA286358  Solidago spathulata R. F. Thorne 1974-7-29 45070 Humboldt Samoa Dunes: between Humboldt Bay and Pacific Ocean. Comment
  UC129319  Solidago spathulata Harley P. Chandler May 1901 1158 Humboldt Humboldt Bay North Coast Ranges, Humboldt Bay 3 Comment
  CAS-BOT-BC364968  Solidago velutina subsp. californica Joseph P. Tracy 1937-9-5 15682 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC166083  Soliva sessilis J. P. Tracy 1901-5-5 1069 Humboldt immediate vicinity Eureka 0 Comment
  HSC32523  Soliva sessilis David Johnson 1974-5-2 75 Humboldt Mad River Co. Park, mouth of the Mad River; by the parking lot Comment
  HSC6216  Sonchus asper J. L. Baker 1965-3-27 20 Humboldt 4 mi. N of Arcata on North Bank Rd. Comment
  HSC12548  Sonchus oleraceus C. Kline 1970-11-15 77 Humboldt 4.2 mi. N of Trinidad, olf Hwy. 101 Comment
  CDA26260  Spartina densiflora T. C. Fuller 1961-9-28 7051 Humboldt Arcata-Samoa Road, 1.3 miles north of Samoa. 0 Comment
  HSC87358  Spartina densiflora K. Berg 1986-7-28 637 Humboldt Humboldt Bay, Arcata, foot of I St. Comment
  HSC48419  Spartium junceum J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-21 9923 Humboldt Hwy. 36 at Camp Creek Rd. 76 Comment
  HSC68008  Spergula arvensis J. P. Smith 1970-6-7 3805 Humboldt 0.6 mi. N of Luffenholtz Beach, along Hwy. 101, near Trinidad. Comment
  RSA187158  Spergula arvensis John H. Thomas 1966-3-19 11488 Humboldt Southern end of Big Lagoon, just inland from the coast between Eureka and Crescent City. 0 Comment
  HSC90396  Spergularia macrotheca Jean Hanson 1980-8-28 118 Humboldt Indian (Gunther) Island. In Humboldt Bay, city of Eureka. Across from the Guard Station. Comment
  CDA18204  Spergularia macrotheca var. macrotheca G. D. Barbe, T. C. Fuller 1974-6-17 1830 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 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
  HSC37993  Spergularia rubra Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay 1 Comment
  POM17174  Spiraea douglasii J. B. Feudge 1923-7-23 57 Humboldt Trinidad. 9 Comment
  HSC41323  Spiraea splendens var. splendens Brad Klipfel 1974-8-2 520 Humboldt Horse Mtn. Comment
  UC666997  Spiranthes porrifolia Joseph P. Tracy 1930-6-15 8767 Humboldt summit of ridge between Dobbyn Creek and Alder Point (near Alder Point) 304 Comment
  HSC40375  Spiranthes romanzoffiana Linda M. Barker 1976-9-3 1695 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC37807  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1976-8-11 786 Humboldt W side of Freshwater Lagoon, along Hwy. 101 Comment
  UC577329  Stachys ajugoides var. ajugoides W. E. Peacock 1936-8-1 Humboldt Arcata Bottom Arcata 9 Comment
  UC668213  Stachys ajugoides var. rigida Joseph P. Tracy 1938-7-4 15987 B Humboldt Valley of South Yager Creek 762 Comment
  UC668218  Stachys ajugoides var. rigida Joseph P. Tracy 1938-6-17 15954 Humboldt Cape Mendocino 152 Comment
  UC726345  Stachys ajugoides var. rigida A. A. Heller 1923-7-8 13769 Humboldt near Pepperwood Comment
  UC1225845  Stachys ajugoides var. rigida Joseph P. Tracy 1942-7-1 17364 Humboldt opposite Buck Mountain (Dinsmore's); Van Duzen River 762 Comment
  UCLA71161  Stachys ajugoides var. rigida C. Epling Aug 1933 Humboldt near Humboldt Co. line (Weaverville-Arcata Road) Comment
  JEPS63019  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  UC552241  Stachys arvensis H. B. Tucker 1935-4-5 Humboldt Arcata Bottom; Arcata 9 Comment
  UCLA71491  Stachys arvensis L. W. Smith 1934-11-14 Humboldt Arcata Comment
  UC604661  Stachys chamissonis Joseph P. Tracy 1938-8-20 16124 Humboldt Alton 18 Comment
  UCSB5869  Stachys chamissonis Keator, Glenn 1958-6-18 Humboldt between Capetwon and Ferndale; near Bear River Comment
  HSC74423  Stachys rigida Gail Newton 1980-8-10 2046 Humboldt Near Blake Mtn. 1707 Comment
  RSA43679  Stachys rigida subsp. quercetorum H. M. Pollard 1947-8-30 s.n. Humboldt North Road along Klamath River near Redcap Creek. Orleans region. Comment
  CAS-BOT-BC175345  Stellaria borealis subsp. sitchana Harley P. Chandler 1901-5-1 1196 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC175346  Stellaria borealis subsp. sitchana Joseph P. Tracy 1900-5-22 795 Humboldt At Eureka 60 Comment
  SEINET4110862  Stellaria borealis var. sitchana D. W. Taylor 2004-1 19125 Humboldt Pond in the divide between Frost Creek and Martin Creek, about 1 air mile east of the Alderpoint Road. 518 Comment
  HSC4268  Stellaria media D. E. Anderson 1962-7-17 2274 Humboldt Camp Bauer, 1/4 mi. E of Korbel, along N Fork of Mad River Comment
  UC1198283  Stellaria media Joseph P. Tracy 1923-4-15 6185 Humboldt Redwood Creek Northern Coast Ranges (at Berry's) 274 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
  HSC48380  Stellaria media Mark Flippo 1978-4-18 37 Humboldt McKinleyville, Bella Vista Rd. Comment
  UC668077  Stellaria obtusa Joseph P. Tracy 1935-7-23 14161 Humboldt lower end Brett Hole; Trinity Summit 1584 Comment
  UC204744  Stephanomeria elata Joseph P. Tracy 1918-7-5 5034 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  HSC98185  Stipa lemmonii J. P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  HSC74748  Streptanthus tortuosus Gail Newton 1981-7-22 2260 Humboldt Near Bug Creek 1375 Comment
  JEPS54017  Streptanthus tortuosus var. suffrutescens Chesnut and Drew 1888-1 Humboldt Comment
  HSC82543  Streptanthus tortuosus var. tortuosus Thomas W. Nelson 1979-7-11 5002 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  BLMAR248  Symphoricarpos mollis Jennifer Anthony-Wheeler 1997-7-24 248 Humboldt Lacks Creek, growing beneath conifer canopy 1219 Comment
  HSC102040  Symphoricarpos mollis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 943 Humboldt Rustic Camp, northwest of Patterson Meadows Comment
  HSC41199  Symphoricarpos mollis Thomas W. Nelson, Jane P. Nelson 1977-8-6 3703 Humboldt Along S side of Lassic Mtn. 1494 Comment
  HSC58804  Symphyotrichum bracteolatum G. L. Clifton, Griswold 1979-7-31 11705 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58831  Symphyotrichum bracteolatum Overton, Butler 1979-8-2 12678 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  CHSC10151  Symphyotrichum chilense J. W. Johnson 1961-8-23 1048 Humboldt Arcata. Along the sides of the Lanphere County Road by Mad River Slough. Comment
  CAS-BOT-BC99160  Symphyotrichum chilense E. K. Balls 1950-7-17 14927 Humboldt Redwood Hwy, 4 mi. north of Loleta 7 Comment
  HSC5095  Symphyotrichum subspicatum D. E. Anderson 1961-9-9 1790 Humboldt Along S end of Hwy. 101 causeway over Big Lagoon. Comment
  HSC3783  Symphytum asperum Earl Jensen 1968-5-7 Humboldt Thompkins Hill Rd., about 3 mi. S of entrance 15 Comment
  JEPS26265  Synthyris reniformis Joseph P. Tracy 1923-4-15 6190 Humboldt Redwood Creek at Berry's Redwood Creek; North Coast Ranges 274 Comment
  UC1222775  Synthyris reniformis Joseph P. Tracy 1950-8-4 19263 Humboldt Grasshopper peak, head of Canoe Creek (in Bull Creek State Park); Bull Creek State Park Comment
  UC902237  Synthyris reniformis Joseph P. Tracy 1941-3-26 16812 1/2 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 457 Comment
  SEINET3816601  Tanacetum bipinnatum A. A. Heller 1937-6-12 15900 Humboldt On the coast at Trinidad just below the road leading up to the light house on Trinidad head. Humid transition life zone. Comment
  SEINET3816603  Tanacetum bipinnatum J. P. Tracy 1901-8-7 1269 Humboldt Sand hills of ocean beach at Samoa, opp eureka Comment
  SEINET3816604  Tanacetum bipinnatum Bassett Maguire 1934-6-9 15318 Humboldt On sand dunes, clam beach, 15 miles from North Eureka Comment
  UC1409185  Tanacetum camphoratum Robert F. Thorne and P. Everett 1965-8-7 35224 Humboldt Somoa Peninsula 3 Comment
  SEINET11800644  Tanacetum parthenium J. P. Tracy 1946-1 17659 Humboldt Eureka, Tracy's garden Comment
  UC902012  Taraxacum officinale Harold E. Parks and Joseph P. Tracy 1949-6-25 11671 Humboldt Box Camp Meadow Trinity Summit 1524 Comment
Read comments
Aug 5 2009
  HSC31760  Taxus brevifolia Timothy B. Devine 1974-5-4 317 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC74647  Taxus brevifolia M. A. Baker 1980-5-17 1214 Humboldt Near Le Perron Peak 792 Comment
  UC666679  Taxus brevifolia H. S. Reed 1938-7-27 192 Humboldt e fork Willow Creek Comment
  CAS-BOT-BC447404  Tellima grandiflora Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC53851  Tellima grandiflora Griswold, Butler 1979-7-10 6316 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC97605  Tellima grandiflora Cara Witte 2007-6-7 221 Humboldt Along National Forest 1. Approximately 1 mile north of cattle guard. Comment
  HSC20425  Tellima grandiflora J. F. Knezevich 1968-5-23 459 Humboldt Above Trinidad, N end of Big Lagoon 0 Comment
  UCD170789  Tellima grandiflora Gordon Leppig; Sylvia Leppig and Kai Neander 1998-5-6 745 Humboldt Rt. 101. Overlooking Big Lagoon. 40 Comment
  UC1196171  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1929-8-18 8655 Humboldt on river opposite Buck Mountain; Northern Coast Ranges, Van Duzen River, Dinsmore's Ranch 670 Comment
  NY17200  Thuja plicata I. L. Wiggins 1955-7-31 13594 Humboldt This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SD56861  Thuja plicata Darley F. Howe 1963-8-7 Humboldt 30 miles west of west entrance to 6 Rivers north fork on Highway #299 185 Comment
  UC212991  Thuja plicata Joseph P. Tracy 1920-9-19 5401 Humboldt North Fork Mad River North Coast Ranges, North Fork Mad River 304 Comment
  UC161492  Thysanocarpus curvipes Joseph P. Tracy 1903-5-24 1915 Humboldt Alder Point Northern Coast Ranges, Eel River (on Eel River) 152 Comment
  CAS-BOT-BC436936  Tiarella trifoliata var. unifoliata Eliz. Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  HSC97995  Tiarella trifoliata var. unifoliata Cara Witte 2007-7-11 492 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  UC154149  Tiarella trifoliata var. unifoliata Mrs. M. H. Manning Sept. 1901 Humboldt near Hupa; near Hupa Comment
  HSC20435  Tiarella trifoliata var. unifoliata W. D. Stevens 1967-7-14 35 Humboldt Along Bear Creek, 1/2 mi. upstream from Hwy. 101 bridge. Comment
  POM228370  Tiarella trifoliata var. unifoliata C. C. Harris, S. K. Harris 1936-6-16 660 Humboldt On Yager Road from Carlotta. 152 Comment
  SEINET5733249 Image available Tiarella trifoliata var. unifoliata Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6107 Humboldt From California 299 at Hawkins Bar (in Trinity County), turn onto the road to Denny and travel 1.7 miles down this road to a fork in the road. Take the lefthand road ( leading to Waterman Ridge, Zeigler Point) and travel 6.7 miles down this road to another fork in the road. Take the right fork (away from the road leading to Waterman Ridge and Willow Creek). On this road (7NO4), travel 1.5 miles to another fork; continue on 7NO4(the left fork) for 7.4 miles. At this point, take 7NO4, the road to Groves Prarie. The collection site is a short distance up this road.; Groves Prairie Comment
  UC1212146  Tiarella trifoliata var. unifoliata Francia Chisaki and Helen K. Sharsmith 1959-8-22 4753 Humboldt bog at Happy Camp Happy Camp (just over Trinity County line); Inner North Coast Ranges 914 Comment
  HSC38892  Torilis arvensis J. P. Smith, Steve Selva 1970-6-14 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  SDSU2311  Torilis arvensis D. F. Howe 1961-7-31 3100 Humboldt 6 miles south of Garberville on #101. 91 Comment
  JEPS14254  Torilis arvensis subsp. arvensis Mrs. Archie Cathey 1938-7-30 Humboldt Miranda at Cathey Ranch 152 Comment
  UC642292  Torilis nodosa Joseph P. Tracy 1927-6-18 8183 Humboldt near Petrolia (Hills between Petrolia and Ocean) 152 Comment
  HSC10878  Torreyochloa pallida var. pauciflora R. Spellenberg 1965-6-14 1135 Humboldt 1.5 mi E of Bayside on road leading up Jacoby Creek Comment
  HSC18246  Trautvetteria caroliniensis J. P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mtn., Trinity Summit Range, NE of Hawkins Bar 1280 Comment
  HSC74426  Triantha glutinosa Gail Newton 1980-8-10 2055 Humboldt Near Blake Mtn. 1707 Comment
  UC535719  Trichostema lanceolatum Eleanor Armstrong 1934-7-15 1128 Humboldt Richardson Grove 121 Comment
  UC577370  Trichostema lanceolatum Joseph P. Tracy 1934-8-19 13595 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC32547  Trichostema laxum Chestnut and Drew 1888-7-12 Humboldt Campbell's Comment
  BLMAR156  Trientalis latifolia Donald Hazlett 1994-6-7 156 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC17928  Trientalis latifolia Paul Shields May 1955 Humboldt HSC Campus Comment
  HSC17936  Trientalis latifolia D. E. Anderson 1965-5-8 3653 Humboldt About 3 mi. N of Willow Creek along rd. on E side of Trinity River. Comment
  UC1103437  Trifolium barbigerum J. P. Tracy 1900-6-5 842 Humboldt immediate vicinity Eureka Comment
  UC1197181  Trifolium bifidum var. decipiens Joseph P. Tracy 1906-5-6 2448 Humboldt near Hydesville; North Coast Ranges 60 Comment
  RSA91561  Trifolium bifidum var. decipiens F. W. Peirson 1926-7-12 7031 Humboldt Redwood Creek, Orick. Comment
  UC1541261  Trifolium breweri Harold E. Parks May 1935 4997 Humboldt Egg Point Trinidad Comment
  HSC97623  Trifolium cyathiferum Cara Witte 2007-6-4 195 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  HSC15111  Trifolium depauperatum Francis Winter 1960-4-24 Humboldt Redwood Creek Ranch 381 Comment
  SEINET6934960  Trifolium dichotomum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland prairie, about 4 miles southeast of Kneeland. Comment
  UCD109725  Trifolium dichotomum R. Tofsrud 1948-1 s.n. Humboldt Humboldt County. Comment
  HSC104458  Trifolium dubium Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 11 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC38929  Trifolium dubium Linda M. Barker 1976-5-13 1476 Humboldt 3 mi. W of Arcata. Comment
  UC16503  Trifolium dubium Joseph Burtt Davy and Walter C. Blasdale 1899-6-17 5602 Humboldt Arcata Comment
  HSC14995  Trifolium dubium J. W. Johnson 1962-4-18 1246 Humboldt Arcata, Mad River County Park Comment
  UC162777  Trifolium gracilentum J. P. Tracy 1900-6-5 844 Humboldt immediate vicinity Eureka (Bucksport) 0 Comment
  HSC45169  Trifolium hirtum R. Sutherland 1978-5-13 1 .13578 Humboldt 285 Comment
  HSC73705  Trifolium longipes M. A. Baker 1980-7-22 3116 Humboldt Near Grogan Hole. 1676 Comment
  UC495656  Trifolium longipes subsp. hansenii Joseph P. Tracy 1930-6-8 8726 Humboldt Northern Coast Ranges. Kneeland Prairie. 762 Comment
  HSC76223  Trifolium longipes subsp. oreganum Overton, Butler 1979-7-24 9763 Humboldt Near Black Rock, close to the town of Willow Creek. 1554 Comment
  UC495658  Trifolium longipes var. oreganum Joseph P. Tracy 1927-6-12 8122 Humboldt Horse Ranges Northern Coast Ranges Comment
  UC1223360  Trifolium macraei Joseph P. Tracy 1936-5-30 14841 Humboldt Samoa Sand Dunes Comment
  UC495662  Trifolium macraei Joseph P. Tracy 1932-5-10 9935 Humboldt Bear River edge Northern Coast Ranges 609 Comment
  SEINET12157250  Trifolium macraei J. P. Tracy 1936-1 14841 Humboldt Samoa Sand Dunes Comment
  UC1197233  Trifolium macraei Joseph P. Tracy 1923-5-19 6209 Humboldt near Trinidad; Northern Coast Ranges 15 Comment
  HSC15145  Trifolium microcephalum J. W. Johnson 1962-5-13 1355 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  UC1197551  Trifolium microdon Joseph P. Tracy 1932-5-1 9892 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  UC1223351  Trifolium microdon Joseph P. Tracy 1938-6-8 15867 Humboldt near Samoa; Humboldt Bay 6 Comment
  UC1197506  Trifolium microdon Joseph P. Tracy 1917-5-30 4800 Humboldt Little River Beach Northern Coast Region 6 Comment
  UC1223330  Trifolium pratense Joseph P. Tracy 1941-8-23 16995 Humboldt Eureka Comment
  UC162783  Trifolium pratense J. P. Tracy 1909-6-6 2987 Humboldt immediate vicinity Eureka 0 Comment
  HSC45117  Trifolium variegatum R. Sutherland 1978-5-19 11 .19578 Humboldt 134 Comment
  UC1223533  Trifolium variegatum var. melananthum Joseph P. Tracy 1950-6-18 18845 Humboldt s Cape Mendocino (Davis Creek, on the beach) Comment
  UC1103456  Trifolium variegatum var. variegatum Joseph P. Tracy and Ernest B. Babcock 1912-5-11 3588 Humboldt near Hydesville; Northern Coast Ranges Comment
  UC1223529  Trifolium variegatum var. variegatum Joseph P. Tracy 1937-6-20 15336 Humboldt 10 mi upstream mouth of Bear River 152 Comment
  POM214883  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-22 10123 Humboldt South fork of Eel River, between Miranda and Redway. Comment
  UC16761  Trifolium willdenovii Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5342 d Humboldt Harris Comment
  JEPS4167  Trifolium willdenovii W. L. Jepson 1902-6 1904 Humboldt Fort Seward Ranch Ridge = Mail Ridge 1219 Comment
  UC1197514  Trifolium willdenovii Joseph P. Tracy 1932-5-17 10068 Humboldt at Berry's Redwood Creek; Northern Coast Ranges 274 Comment
  UC33316  Trifolium willdenovii Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5684 1/2 Humboldt Hoopa Mtn Comment
  CHSC10114  Trifolium wormskioldii J. W. Johnson 1961-8-17 1009 Humboldt Arcata. In a vernal pond community of Hollow 10 W. M. Lanphere Farm. Samoa Peninsula. Comment
  HSC15195  Trifolium wormskioldii J. W. Johnson 1961-8-17 1009 Humboldt Arcata, Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  POM277677  Trifolium wormskioldii Lyman D. Benson 1928-7-10 438 Humboldt Clam Beach, Trinidad. Hills back of the ocean. 15 Comment
  UC1222703  Trifolium wormskioldii Joseph P. Tracy 1938-7-12 16056 Humboldt near Field's Landing (w end of Table Bluff) 548 Comment
  UC1223372  Trifolium wormskioldii Joseph P. Tracy 1950-6-18 18767 Humboldt w Petrolia (hills betw town and ocean) Comment
  UC303197  Trifolium wormskioldii Joseph P. Tracy 1925-5-30 7044 Humboldt McClellan Mtn Northern Coast Ranges 822 Comment
  HSC14167  Triglochin maritima S. J. Moore 1965-5-8 15 Humboldt Marsh adjacent to Mad River Slough. Comment
  UCR179285  Trillium R. G. Swinney 1968-3-8 217 Humboldt Arcata 152 Comment
  HSC97468  Trillium albidum Cara Witte 2007-5-8 4 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1410 Comment
  CAS-BOT-BC520053  Trillium albidum Lester Rowntree 1938-5-23 s.n. Humboldt Carlotta Comment
  UC1197808  Trillium albidum Joseph P. Tracy 1930-8-3 9152 Humboldt lower foothills of n.w. slope Buck Mt. 762 Comment
  CHSC2320  Trillium ovatum 1933-4-15 Humboldt Comment
  CHSC24834  Trillium ovatum A. D. Launer 1976-4-11 1 Humboldt On e hillside of Blocksburg Cemetery, ca. 30 yds s of Cemetery Rd, 200 yds w of Alderpoint Rd. in Blocksburg. 464 Comment
  HSC41941  Trillium ovatum Richard G. Runyon 1977-4-23 8 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground 561 Comment
  JEPS47248  Trillium ovatum Lincoln Constance 1934-6-2 794 Humboldt Bull Creek road to mouth of Bull Creek and up Bull Creek; S. Fork Eel River, Bull Creek Region Comment
  HSC34646  Trillium ovatum Peter R. Leinau 1975-4-5 1 Humboldt Block 11 of the Union St. addition to the city of Arcata, 1640 Union St. Comment
  SBBG1084  Trillium ovatum H. and M. Dearing 1933-5-15 269 Humboldt Humboldt County [no specific locality] Comment
  SEINET3888797  Trillium ovatum S. R. Johnson 1965-3-19 15 Humboldt 2 miles north of Luffenholtz Beach.; 0 Comment
  UC175281  Trillium ovatum Joseph P. Tracy 1913-6-26 4350 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen R., Dinsmore's Ra 762 Comment
  UCD19981  Trillium ovatum C. H. Lamoureux; R. Gankin 1956-3-17 1042 Humboldt Near southern boundary of Jensen Grove, on Hwy 101 between Meyers and Miranda. Comment
  HSC99354  Trillium ovatum subsp. oettingeri K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-21 3 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  SEINET10458968  Triodanis biflora Chesnut CHESNUT s.n. Humboldt KNEELAND, CAMPBELLS Comment
  JEPS13339  Triphysaria eriantha subsp. eriantha Harley P. Chandler May, 1901 1142 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 3 Comment
  HSC20854  Triphysaria eriantha subsp. eriantha J. R. Woodside 1963-5-1 21 Humboldt 1.25 mi. N of Fairhaven Comment
  UC1198035  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1918-5-5 4926 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay; Northern Coast Region, Ocean Beach at Humboldt Bay Comment
  UC146240  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1904-5-1 2040 Humboldt region about Humboldt Bay at Bucksport; Northern Coast Region, region about Humboldt Bay 0 Comment
  UC1222444  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1927-4-24 7929 Humboldt Eureka 6 Comment
  HSC20860  Triphysaria versicolor subsp. faucibarbata C. O. Baker 1962-5-7 36 Humboldt 2 mi. S of Trinidad along old Hwy. 101 122 Comment
  CAS-BOT-BC199621  Trisetum canescens L. R. Abrams 1918-6-16 7142 Humboldt Willow Creek Comment
  HSC99524  Trisetum canescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 187 Humboldt Near North Trinity Mtn, 11. 5 mi. E of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC34062  Trisetum canescens J. P. Tracy 1901-6-23 1167 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC193513  Trisetum cernuum Harley P. Chandler 1901-5-1 1176 Humboldt Humboldt Bay 30 Comment
  UC526697  Trisetum cernuum Joseph P. Tracy 1926-5-22 7502 Humboldt Prairie Creek; Northern Coast Ranges 152 Comment
  UCD93904  Trisetum cernuum A. H. Murphy 1947-8-5 s.n. Humboldt Bald Hills, 7-8 miles SE of Orick. Comment
  UC1103147  Trisetum flavescens Joseph P. Tracy 1917-7-1 4830 Humboldt Eureka; Northern Coast Ranges 0 Comment
  UC1197723  Triteleia bridgesii Joseph P. Tracy 1911-7-7 3413 Humboldt viz. ridge n Willow Creek (between Willow and Campbell Creeks, near the summit); Northern Coast Ranges, Brannan Mountain 1219 Comment
  HSC97626  Triteleia laxa Cara Witte 2007-6-19 300 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1393 Comment
  RSA36387  Triteleia laxa E. K. Balls, Lee W. Lenz 1956-6-12 21663 Humboldt 23 miles southwest of Willow Creek along U.S. Highway 299 toward Arcata 640 Comment
  RSA378052  Triteleia laxa Hutchinson 1927-05 s.n. Humboldt [No locality information provided] Comment
  CAS-BOT-BC85895  Tsuga heterophylla G. A. Coleman 1901-7-20 s.n. Humboldt Near Acorn Comment
  SBBG25959  Tsuga heterophylla E. R. Blakley 1966-8-17 6798 Humboldt Patrick's Pt, 5 mi N of Trinidad 60 Comment
  UC1585364  Tsuga heterophylla R. Raiche, K. Zadnik, and H. Forbes 1989-10-2 Humboldt e of Arcata (on Hwy 299, 28 km e of Hwy 101); Hwy 299 360 Comment
  UCD135133  Tsuga heterophylla Linda M. Barker 1976-6-14 1589 Humboldt Lanphere-Christensen Dunes, coastal forest and dunes 3 miles west of Arcata. Comment
  UCD170577  Tsuga heterophylla Gordon Leppig 1998-4-7 732 Humboldt Berry Summit on west slope, Rt. 299. 762 Comment
  UCR275103  Typha domingensis Charity A. Hartshorn 2016-4-24 20 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  HSC59117  Umbellularia californica Terry Roth 1979-5-24 85 Humboldt 0.25 mi. down N Bank Rd. from its junction with Hwy. 10 exit at residence 30 Comment
  UC183587  Umbellularia californica Joseph P. Tracy 1913-3-9 4020 Humboldt near Hydesville; Northern Coast Region 60 Comment
  UC249701  Umbellularia californica Joseph P. Tracy 1921-2-27 5415 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  SEINET12102554  Umbellularia californica E. H. Graham 1931-1 6960 Humboldt Along highway near Garberville Comment
  HSC99395  Vaccinium membranaceum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 44 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  JEPS58743  Vaccinium ovatum J. P. Tracy 1904-4-17 2017 Humboldt immediate vicinity Eureka 0 Comment
  UC412670  Vaccinium ovatum Mrs. M. H. Manning Apr 1899 Humboldt Hupa Valley Comment
  UCD118072  Vaccinium ovatum Linda M. Barker 1976-4-30 1423 Humboldt 3 miles west of Arcata. Comment
  UCD166887  Vaccinium ovatum Colleen Rossier 2016-9-16 5 Humboldt In vicinity of Rosaleno Creek, plot Rosaleno #1. 601 Comment
  CAS-BOT-BC199422  Vaccinium parvifolium Elmer I. Applegate 1923-9-12 3993 Humboldt Above Trinidad Comment
  HSC7922  Vaccinium parvifolium J. Pursell 1964-10-11 10113 Humboldt Old Hwy. 101, 3 mi. N Patricks Point State Park Comment
  HSC7923  Vaccinium parvifolium Francis Winter 1960-4-24 Humboldt 1 mi. E of Pine Ridge Summit 854 Comment
  UC1225910  Vaccinium parvifolium Joseph P. Tracy 1945-3-10 17495 Humboldt Eureka 30 Comment
  UC416772  Valeriana sitchensis subsp. sitchensis Mrs. M. H. Manning Aug. 1899 Humboldt Trinity Summit Comment
  UC1239593  Valeriana sitchensis subsp. sitchensis Joseph P. Tracy 1937-7-29 15573 Humboldt in meadow at McKay Camp South Fork Mountain 1676 Comment
  HSC3380  Vancouveria hexandra J. F. Knezevich 1968-5-21 448 Humboldt 20 mi. E of Arcata on Hwy. 299 at Lord Ellis Summit Comment
  SD73187  Vancouveria hexandra Darley F. Howe 1969-6-4 4630 Humboldt 14.6 miles east of Alton on Highway #36 89 Comment
  HSC49387  Vancouveria hexandra R. York 1979-4-9 213 Humboldt Behind Humboldt State University Comment
  HSC99653  Vancouveria planipetala Jimerson, J. Pageau 1979-6-13 544 Humboldt Near Onion Lake, close to the town of Orleans 549 Comment
  HSC38742  Vancouveria planipetala J. D. Ackerman 1975-6-18 468 Humboldt Big Hill Rd., 7.9 mi. E of Hoopa and Hwy. 96 Comment
  RSA161170  Vancouveria planipetala P. H. Raven, R. Snow 1958-7-20 13631 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  SEINET10536497  Vancouveria planipetala Mary Susan Taylor 1980-6-11 Taylor 2843 Humboldt Gray Falls Campground, Six Rivers Natl Forest, on W side of Rd 6N56 to foot bridge, on N side of Hwy 299, ca. 2 mi NW of Burnt Ranch. 274 Comment
  UC1196348  Vancouveria planipetala Joseph P. Tracy 1919-5-30 5171 Humboldt near Willow Creek (hill slopes at West Side of Trinity River); Northern Coast Ranges, w side of Trinity River, Willow Creek 152 Comment
  HSC102701  Ventenata dubia J. P. Smith 2013-6-16 13729 Humboldt Along State Route 36, just west of the 33.68 highway sign (milepost). 758 Comment
  CAS-BOT-BC528853  Veratrum californicum Doris K. Kildale 1925-8-16 1179 Humboldt Trinity Summit Elk Horn Prairie, wet meadow 1524 Comment
  HSC98750  Veratrum californicum var. caudatum Cara Witte 2007-7-20 554 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  UC582590  Verbascum blattaria Joseph P. Tracy 1937-6-26 15366 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  HSC23729  Veronica americana Tim Baroni 1971-7-6 128 Humboldt 15 mi. S of Ferndale on Mattole Rd. Comment
  HSC55630  Veronica americana Walter Overton, Marvin Butler 1979-7-24 9628 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC97638  Veronica americana Cara Witte 2007-5-31 160 Humboldt National Forest Road 1. 1 mile south of intersection with 5N04. 1551 Comment
  UCD124661  Veronica americana Malcolm A. Nobs; S. Galen Smith 1949-8-9 1227 Humboldt 1 mile north of Arcata at junction of Highways 101 and 299, Mad River Valley. Comment
  HSC21186  Veronica americana R. D. Modafferi 1965-5-1 64 Humboldt 2.3 mi. N of Trinidad on Trinity St. 0 Comment
  HSC98613  Veronica arvensis Cara Witte 2007-6-21 331 Humboldt White Oak Opening. Along Kinsey Ridge. 1259 Comment
  HSC21205  Veronica peregrina Anonymous 1957-4-27 126 Humboldt 1 mi. W of Honeydew Comment
  UC147903  Veronica serpyllifolia subsp. humifusa J. P. Tracy 1900-5-22 797 Humboldt immediate vicinity of Eureka 0 Comment
  HSC44831  Veronica serpyllifolia subsp. humifusa Thomas W. Nelson, Jane Nelson 1977-6-19 3503 Humboldt Northwest of pond above Alder Springs 1585 Comment
  CHSC31325  Vicia Mark Stopher 1980-6-4 101 Humboldt Uncommon in diked off upland habitat along Elk River near Hwy 101 bridge. 1 Comment
  HSC58157  Vicia americana var. americana G. L. Clifton, Griswold 1979-8-2 12211 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC70657  Vicia americana var. americana Gail Newton 1980-7-14 1534 Humboldt Near Deadman Ridge 1097 Comment
  CHSC31288  Vicia gigantea Mark Stopher 1980-6-4 102 Humboldt Along Eel River near Hwy 101 bridge. 1 Comment
  HSC90225  Vicia hirsuta L. Watson, J. Meninga Apr 1991 24 Humboldt Near Manilla, Mad River Slough and Dunes. N end of parking lot, W side of trail. Comment
  UC709406  Vicia sativa subsp. nigra Joseph P. Tracy 1934-6-23 13248 Humboldt Arcata Bottom 15 Comment
  HSC15255  Vicia sativa subsp. nigra W. F. Nickel 1965-4-28 Humboldt On S side of Biological Science Building, near baseball field Comment
  HSC23675  Vicia sativa subsp. nigra Tim Baroni 1971-6-25 49 Humboldt Comment
  CHSC35677  Vicia sativa subsp. sativa James P. Smith 1973-5-26 6831 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  HSC104036  Vicia villosa subsp. villosa E. R. Fyer 2015-4-26 22 Humboldt At turnout off Samoa Blvd., at railroad bridge 3 Comment
  HSC3227  Vinca major Eugene Andreuccetti 1964-4-30 31 Humboldt 300 yards from Iverson Rd., along Mad River. Comment
  UC1761500  Viola Milo S. Baker 1923-7-30 157 Humboldt near Fredericksons Ranch, Eureka-Bridgeville Hwy Comment
  CAS-BOT-BC263949  Viola adunca L. B. Kildale 1927-4-10 3084 Humboldt Big Lagoon Comment
  CAS-BOT-BC263952  Viola adunca L. B. Kildale 1926-3-30 1537 Humboldt Big Lagoon Comment
  UC1198434  Viola adunca Joseph P. Tracy 1936-4-25 14799 Humboldt Trinidad 60 Comment
  UC1761536  Viola adunca Mrs. Wilder 1926-4 5432 Humboldt Carlotta, Mrs. Wilder's yard Comment
  UC502938  Viola bakeri Joseph P. Tracy 1932-7-15 10581 Humboldt ridges e of Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  CHSC57460  Viola cuneata L. P. Janeway 1984-6-17 844 Humboldt On ridge east of Horse Mountain. 1432 Comment
  UC1763356  Viola cuneata Davy and Blasdale 1899-1 5510 Humboldt Near Humboldt & Del Norte [county line?] Comment
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Nov 12 2007
  HSC64215  Viola glabella J. O. Sawyer, M. A. Ericksen 1979-6-23 3386 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  SEINET181214 Image available Viola glabella Bassett Maguire, R Maguire; CB Maguire 1934-6-8 15202 Humboldt Bolling Grove State Park ; unspecified Comment
  HSC21792  Viola glabella R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-28 1382 Humboldt S side of Prairie Creek State Park about 1/4 mi. W of Hwy. 101 Comment
  HSC48637  Viola glabella Mark Flippo 1978-5-21 81 Humboldt USFS Rd. 8N20 Comment
  HSC32135  Viola hallii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5614 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC1198441  Viola hallii Joseph P. Tracy 1933-7-11 12664 Humboldt Horse Mountain 1432 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
  HSC100697  Viola ocellata Carl C. Marshall Apr 1887 375 Humboldt Hoopa Valley. Comment
  CAS-BOT-BC270200  Viola palustris Doris K. Kildale 1926-3-20 1536 Humboldt Big Lagoon Comment
  UC164839  Viola palustris Joseph P. Tracy 1901-5-30 1105 Humboldt Eureka; Northern Coast Ranges, Eureka 0 Comment
  RSA21088  Viola praemorsa subsp. linguifolia Carl B. Wolf 1937-6-14 8816 Humboldt Kneeland Prairie; North Coast Range. 823 Comment
  UC1222511  Viola sempervirens Joseph P. Tracy 1951-6-14 19420 Humboldt Snow Camp 1402 Comment
  HSC34797  Viola sempervirens John Palmer 1975-4-9 299 Humboldt 40 yds. E of intersection of 17th at Bayview St., Arcata Comment
  HSC59449  Viola sempervirens Kenneth Clark 1979-3-31 2 Humboldt 0.7 mi. E of the end of Granite Ave., Arcata 46 Comment
  RSA46480  Viola sempervirens Doris K. Kildale 1927-3-19 2901 Humboldt Luffenholtz Creek. Comment
  HSC60141  Vitis californica M. A. Baker 1977-6-6 368 Humboldt Hoopa Comment
  UC1145201  Vulpia bromoides Joseph P. Tracy 1948-6-10 18065 Humboldt Trinidad 3 Comment
  UC589877  Vulpia bromoides H. S. Yates 1936-6-16 5663 Humboldt 1 mi sw Samoa; Eureka Quad. 6 Comment
  SEINET7297974 Image available Vulpia bromoides Joseph P. Tracy 1948-1 18065 Humboldt Trinidad 3 Comment
  UCD93869  Vulpia microstachys var. ciliata Joseph P. Tracy 1936-7-5 15038 Humboldt Grouse Mountain. Comment
  UC1145199  Vulpia microstachys var. microstachys Joseph P. Tracy 1936-6-17 1496 1/2 Humboldt nw slope Buck Mountain (Burr Valley); Burr Valley 1066 Comment
  UC525655  Vulpia myuros var. hirsuta Joseph P. Tracy 1933-6-13 12598 Humboldt w of Hoopa (near summit on road to Bair's); Hoopa Mountain 1066 Comment
  SEINET200325 Image available Vulpia myuros var. myuros J. P. Tracy 1900-1 858 Humboldt Eureka. Comment
  CAS-BOT-BC128813  Whipplea modesta L. R. Abrams 1922-6-25 8222 Humboldt 6 mi. north of Garberville Comment
  HSC38478  Whipplea modesta D. E. Anderson, J. P. Smith 1971-6-18 1053 Humboldt 1 mi. W of Lord Ellis Summit Comment
  JEPS43494  Whipplea modesta Lincoln Constance 1934-5-31 761 Humboldt along Bull Cr. from w boundary of Park to Grasshopper Pk. (Squaw Crk.) rd. (n side of cr.); South Fork Eel River, Bull Creek Region, Bull Cr. flat Comment
  OBI36661  Whipplea modesta David J. Keil 1983-7-2 17322 Humboldt Ca. 4 mi SE of SR 299 along Titlow Hill rd below Horse Mtn Summit Rd Comment
  UC14483  Whipplea modesta Chesnut and Drew 1888-7-21 Humboldt Hy-Am-Pum Comment
  HSC70753  Woodwardia fimbriata R. York 1980-5-17 530 Humboldt Near Le Perron Peak 1066 Comment
  HSC35285  Woodwardia fimbriata Lon Hall 1975-3-27 296 Humboldt Near Shelter Cove at edge of Bear Creek 366 Comment
  HSC102193  Wyethia angustifolia M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1107 Humboldt Andy's Camp 1564 Comment
  UC169292  Wyethia angustifolia Joseph P. Tracy 1912-6-9 3657 Humboldt Alton Northern Coast Region, Alton 30 Comment
  RSA21321  Wyethia angustifolia C. B. Wolf 1937-8-13 9222 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  SBBG36549  Wyethia angustifolia H. and M. Dearing 1939-6-23 3695 Humboldt 20 mi E of Arcata Comment
  CAS-BOT-BC326985  Wyethia longicaulis W. L. Colwell 1957-8-6 52 Humboldt Eleven miles northeast of Bridgeville near Six Rivers National Forest 1295 Comment
  JEPS13755  Wyethia longicaulis Frank W. Gould 1939-5-29 841 Humboldt Horse Mountain 914 Comment
  CAS-BOT-BC527080  Xerophyllum tenax Doris K. Kildale 1931-5-10 10683 Humboldt Snow Camp Comment
  HSC21901  Zannichellia palustris D. E. Anderson 1961-9-2 1760 Humboldt 3 mi. S of Cape Mendocino 3 Comment



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