Search Results — 2000 specimen records retrieved (1371 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC102514  Abies concolor M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1500 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  CAS-BOT-BC78052  Abies grandis Doris K. Kildale 1927-2-20 2964 Humboldt Korbel Hill at Angel's Ranch 304 Comment
  HSC89414  Abies grandis P. A. Daly 1986-3-12 92 Humboldt Trinidad Head, along trail 61 Comment
  HSC73215  Abies procera Gail Newton 1980-6-24 603 Humboldt Near Ladder Rock 1570 Comment
  UC1267074  Abies procera G. L. Anderson 1962-8-21 5 Humboldt Horse Trail Ridge Six Rivers National Forest (sw slope) 1828 Comment
Read comments
May 21 2011
  HSC37569  Abronia latifolia J. D. Ackerman 1975-6-10 456 Humboldt 1 mi. N of Samoa Bridge turnoff from Samoa Blvd., S of Manila Comment
  HSC41125  Abronia latifolia Thomas W. Nelson, Jane Nelson, James Nelson 1976-9-26 3266 Humboldt Along beach S of Fern Canyon. Comment
  SBBG69879  Abronia latifolia R. Hartwell 1938-8-4 Humboldt near Capetown Comment
  SD41412  Abronia latifolia Edith A. Purer 1932-7-27 4154 Humboldt Near Samoa Comment
  UC524123  Abronia latifolia Ira L. Wiggins 1932-7-19 5888 Humboldt 8 mi n Arcata (Sand dunes near Clam Beach) Comment
  CAS-BOT-BC436986  Acaena novae-zelandiae D. W. Cooper 1967-6-30 s.n. Humboldt On ridge just southeast of Forest Service Nursery, ca. 2 miles southeast of Crannell and ca. 4 miles east of U.S. Highway 101 Comment
  HSC27944  Acaena novae-zelandiae Gary S. Lester 1973-11-8 55 Humboldt Anchor Tree Farm, E of McKinleyville near Fieldbrook 152 Comment
  RSA202444  Acaena novae-zelandiae D. W. Cooper 1967-6-30 s.n. Humboldt Ridge just SE of Forest Service Nursery, 2 miles SE of Grannell and 4 miles E of Hwy 101 Comment
  UC205487  Acer circinatum Joseph P. Tracy 1920-10-24 5403 Humboldt Mad River bottom near Blue Lake (Northern Coast Ranges); , Mad River bottom nr Blue Lake 60 Comment
  UC902127  Acer circinatum Joseph P. Tracy 1932-6-26 17294 Humboldt Valley of South Yager Creek 609 Comment
  UC1199016  Acer glabrum Joseph P. Tracy 1935-7-31 14394 Humboldt w side Devil's Backbone (barren rocky ridge connecting Trinity Summit with Salmon Summit); w side Devil's Backbone 1524 Comment
  HSC57158  Acer glabrum var. torreyi Overton, Butler 1979-7-26 9957 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC57655  Acer glabrum var. torreyi G. L. Clifton, Griswold 1979-7-25 10828 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1814 Comment
  HSC41320  Acer macrophyllum Brad Klipfel 1974-9-2 527 Humboldt Horse Mtn. Comment
  HSC79478  Acer macrophyllum Kenneth Clark 1980-3-27 563 Humboldt Upper alluvial terrace of Dead Man's Gulch 76 Comment
  SFV18469  Acer macrophyllum C. Lee 2002-4-21 20 Humboldt Titlow Hill Road, 0.25 miles southeast of intersection with Highway 299. Hillside near road. Comment
  HSC57890  Achillea millefolium Overton, Butler 1979-7-31 11450 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  RSA298149  Achillea millefolium James Payne Smith 1973-5-26 6797 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  SEINET2145826  Achillea millefolium Joseph P. Tracy 1912-6-9 3661 Humboldt Alton 60 Comment
  UC1222921  Achillea millefolium Joseph P. Tracy 1947-7-3 17764 Humboldt mouth, sand dunes Little River Comment
  UC1222922  Achillea millefolium Joseph P. Tracy 1950-5-30 18712 Humboldt at Willow Creek; Trinity River Valley 152 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
  CAS-BOT-BC210653  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  CAS-BOT-BC210659  Achnatherum lemmonii Joseph P. Tracy 1928-6-24 8466 Humboldt Valley of South Yager Creek 762 Comment
  UC526755  Achnatherum lemmonii Joseph P. Tracy 1930-7-23 9125 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  UCD50519  Achnatherum lemmonii Joseph P. Tracy 1951-6-26 19563 Humboldt Halfway between Snow Camp and Twin Lakes (at Preston's old gate near road). Humboldt County. Comment
  RSA10033  Achnatherum occidentale subsp. californicum Joseph P. Tracy 1932-7-17 10667 Humboldt Trinity Summit, Ridges east of Corral Prairie 1829 Comment
  HSC76515  Acmispon micranthus Denis Kearns 1981-7-8 160 Humboldt Near Bluff Creek 622 Comment
  SD53240  Acmispon parviflorus Darley F. Howe 1962-5-22 3307 Humboldt 0.7 miles east of Orick on Bald Mountain Road 395 Comment
  CAS-BOT-BC391411  Aconitum columbianum subsp. columbianum Joseph P. Tracy 1937-8-12 15661 Humboldt Snow Camp 1402 Comment
  HSC54752  Aconogonon davisiae G. L. Clifton, Griswold 1979-7-26 10270 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC55084  Aconogonon davisiae G. L. Clifton, Griswold 1979-7-31 11748 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  CAS-BOT-BC418768  Aconogonon phytolaccifolium Joseph P. Tracy 1933-7-26 12921 Humboldt Grouse Mountain 1524 Comment
  UCD137891  Acorus calamus Malcolm A. Nobs; S. Galen Smith 1949-8-9 1242 Humboldt on south side of the town of Blue Lake. Comment
  HSC55677  Actaea rubra Overton, Butler 1979-7-26 9924 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC55739  Actaea rubra G. L. Clifton, Griswold 1979-7-26 10241 Humboldt Near High Spring, close to the town of Forks of Salmon 2024 Comment
  HSC56125  Actaea rubra G. L. Clifton, Griswold 1979-8-1 11914 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  HSC56445  Adenocaulon bicolor Griswold, Butler 1979-7-12 7195 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC58316  Adenocaulon bicolor Overton, Butler 1979-8-2 12604 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC164786  Adenocaulon bicolor J. P. Tracy 1900-7-22 904 Humboldt immediate vicinity Eureka 0 Comment
  HSC98889  Adenocaulon bicolor Cara Witte 2007-6-21 326 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1430 Comment
  UC249778 Image available Adiantum X tracyi Joseph P. Tracy 1924-9-16 6868 Humboldt <collector's garden> Eureka; Northern Coast Ranges 30 Comment
  HSC44330  Adiantum aleuticum Brad Klipfel 1975-6-17 679 Humboldt Horse Mtn. Comment
  HSC79503  Adiantum aleuticum Kenneth Clark 1980-6-14 691 Humboldt Shelter Cove, N fork of Dead Man's Gulch 84 Comment
  UC62707  Adiantum jordanii Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5729 Humboldt Supply Creek Comment
  RSA46781  Ageratina occidentalis Doris Kildale Gillespie 1937-8-12 15253 Humboldt South Fork Mountain. Comment
  UC1173668  Ageratina occidentalis Joseph P. Tracy 1939-8-5 16388 Humboldt along Van Duzen River, opposite Black Mt.; Van Duzen River 737 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
  POM174060  Agoseris grandiflora Joseph P. Tracy 1918-7-14 5076 Humboldt At Eureka 0 Comment
  RSA167298  Agoseris grandiflora Joseph P. Tracy 1942-7-18 17275 Humboldt In fallow field at north end of town. Garberville. Comment
  UC1222932  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1949-8-7 18446 Humboldt Box Camp, in meadow Trinity Summit 1463 Comment
  UC1239511  Agoseris grandiflora var. leptophylla Joseph P. Tracy 1934-6-27 13261 Humboldt Near Cold Springs; North Coast Ranges, Grouse Mountain. 1432 Comment
  UC1199481  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1918-7-5 5024 Humboldt common in grassy places White Thorn Valley; Northern Coast Ranges 304 Comment
  UC1199478  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1925-5-30 7019 E Humboldt Bridgeville; Northern Coast Ranges 228 Comment
  UC1199482  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1921-4-24 5464 Humboldt grassy slopes and open oak groves facing S Fk of Eel River Phillipsville; Northern Coast Ranges, South Fork of the Eel River 121 Comment
  UC1239512  Agoseris hirsuta Joseph P. Tracy 1936-6-9 14885 Humboldt Bear River Ridge Northern Coast Ranges, Bear River Ridge 457 Comment
  POM126129  Agoseris hirsuta Joseph P. Tracy 1923-6-18 6283 Humboldt Bear Ridge Ridge 305 Comment
  CAS-BOT-BC162047  Agrostis Doris K. Kildale 1925-8-17 1259 Humboldt Trinity Summit. 1917 Comment
  RSA152379  Agrostis densiflora Joseph P. Tracy 1936-6-8 14873 Humboldt Trinidad 6 Comment
  UC1145066  Agrostis densiflora Joseph P. Tracy 1938-8-28 16136 Humboldt clay bluff facing ocean Stone Lagoon 6 Comment
  CAS-BOT-BC127285  Agrostis exarata William Arents Silveus 1938-7-10 2969 Humboldt Eureka. Comment
  HSC76568  Agrostis exarata Teresa Prendusi 1981-7-24 495 Humboldt Near Whiteys Peak 1585 Comment
  POM160890  Agrostis exarata Joseph P. Tracy 1918-7-5 5016 Humboldt White Thorn Valley. 305 Comment
  RSA25802  Agrostis exarata C. B. Wolf 1941-7-28 4344 Humboldt Big Lagoon, south side and W. of Redwood Highway. 6 Comment
  UC1607846  Agrostis exarata Harold E. Parks 1935-6-1 5687 Humboldt Spruce Cove Trinidad district 64 Comment
  UC526885  Agrostis exarata Joseph P. Tracy 1933-7-10 12656 Humboldt Trinidad Northern Coast Region 60 Comment
  UC726371  Agrostis exarata A. A. Heller 1923-7-8 13772 Humboldt near Fortuna Comment
  UCD52437  Agrostis exarata P. B. Kennedy 1923-8-5 s.n. Humboldt west forst of Eel River, between Phillipsville and Garberville. Comment
  HSC72675  Agrostis hallii J. P. Smith 1977-7-3 9257 Humboldt Six Rivers National Forest. FS Rd. 13N01, 3 mi. from its junction with Hwy. 36 549 Comment
  UC511548  Agrostis hallii Ira L. Wiggins 1932-7-25 5896 Humboldt roadsides near McKinleyville Comment
  UCD52675  Agrostis hallii P. B. Kennedy 1923-6-14 305 Humboldt Stoddard store, near Garberville. Comment
  RSA10024  Agrostis oregonensis Joseph P. Tracy 1925-7-5 7173 Humboldt Bald Mountain; near High Prairie 1067 Comment
  SEINET200838 Image available Agrostis semiverticillata Joseph P. Tracy 1943-5-29 17445 Humboldt Eureka. 30 Comment
  HSC8810  Agrostis stolonifera C. B. Wolf 1927-8-27 1189 Humboldt Eureka Bay, on the road from Eureka to Arcata. Comment
  RSA44451  Agrostis stolonifera Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River, Orleans Comment
  HSC96238  Aira caryophyllea Sara March, Gillian Levy 2005-6-8 3 Humboldt 1.4 mi S of Hwy. 299 on Titlow Hill Rd. 980 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
  UC726346  Aira caryophyllea A. A. Heller 1923-7-8 13765 Humboldt 10 mi s Dyerville; Humboldt Camp Comment
  CAS-BOT-BC138328  Aira caryophyllea var. caryophyllea Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  UC50681  Aira elegantissima Joseph Burtt Davy 1899-6-19 5684 Humboldt Hupa Mountain Comment
  CAS-BOT-BC138197  Aira praecox Joseph P. Tracy 1925-5-24 7013 Humboldt Northern Coast Ranges. Eureka. 60 Comment
  HSC2924  Allium amplectens J. P. Tracy 1926-5-15 7483 Humboldt Kneeland Prairie Comment
  CAS-BOT-BC460752  Allium amplectens Carl Purdy 1933-6-1 s.n. Humboldt Fort Baker Comment
  SEINET199675  Allium amplectens J. P. Tracy 1936-6-17 14975 a Humboldt Little Van Duzen River at hwy crossing 0 Comment
  UC275537  Allium amplectens Joseph P. Tracy 1923-6-24 6348 Humboldt Murphy Ridge on Bald Mt. Northern Coast Ranges, Bald Mt., Murphy Ridge 1066 Comment
  HSC76439  Allium bolanderi var. bolanderi Denis Kearns 1981-6-24 8 Humboldt Near Cedar Camp 1219 Comment
  UC1198204  Allium falcifolium Joseph P. Tracy 1930-7-23 9131 Humboldt at Cold Springs Grouse Mountain, Cold Springs 1432 Comment
  CAS-BOT-BC135844  Allium hoffmanii Thomas W. Nelson; James L. Nelson 1980-6-27 5956 Humboldt Saddle between Mt. Lassic and peak to east. 1676 Comment
  RSA249388  Allium hoffmanii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5588 Humboldt Mount Lassic and 2 smaller peaks to immediate east. 1768 Comment
  HSC76430  Allium validum Denis Kearns 1981-7-23 397 Humboldt Near Whiteys Peak. 1524 Comment
  HSC100547  Allium validum Carl C. Marshall May 1886 233 Humboldt Wood's Pasture near Arcata. Comment
  SEINET199682  Allium validum Joseph P. Tracy 1934-8-29 13630 Humboldt South Fork Mountain at McKay Camp. 1676 Comment
  UC666891  Allium validum Joseph P. Tracy 1934-8-29 13630 Humboldt meadow at McKay's Camp South Fork Mountain, McKay's Camp 1676 Comment
  HSC63153  Allotropa virgata M. A. Baker 1979-6-30 973 Humboldt 800 Comment
  UC1197945  Alnus rhombifolia Joseph P. Tracy 1931-12-25 9766 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC503096  Alnus rhombifolia Joseph P. Tracy 1930-11-2 9243 Humboldt Camp Grant Northern Coast Ranges, Eel River (along river) 60 Comment
  CDA30678  Alnus rubra M. K. Beyers, I. Shepardson 2009-9-13 242 Humboldt On the western side of the Eel River, on dry, higher ground, adjacent to the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  CHSC130  Alnus rubra A. Small 1953-4-1 Humboldt Near Ferndale. Comment
  HSC31798  Alnus rubra Steve Selva, Roger Jensen 1974-8-27 82 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  HSC40971  Alnus rubra Linda M. Barker 1976-6-14 1602 Humboldt 3 mi. W of Arcata Comment
  UC527557  Alnus rubra C. B. Wolf 1931-8-28 2366 Humboldt Redwood Hwy 4 1/2 mi n of Fortuna Fortuna (on road to Eureka) 15 Comment
  UC1103315  Alopecurus geniculatus Joseph P. Tracy 1917-6-17 4816 Humboldt s. end of Humboldt Bay (Salmon Creek Valley); Salmon Creek Valley 15 Comment
  SEINET11855057  Ambrosia artemisiifolia J. P. Tracy 1950-1 19313 Humboldt Frank Graham's place. Trinity River Valley, at Willow Creek 152 Comment
  HSC5662  Ambrosia chamissonis David Adams Oct 1960 Humboldt N bank of the Mad River near mouth 0 Comment
  OBI35980  Ambrosia chamissonis David J. Keil 1983-7-1 17289 Humboldt Ca 8 mi NW of Petrolia along Mattole Rd. rd immed adj to seashore Comment
  UC582627  Ambrosia chamissonis Joseph P. Tracy 1937-9-26 15688 Humboldt sand dunes, near Samoa; Northern Coast Region, Humboldt Bay 6 Comment
  UC665538  Ambrosia chamissonis H. E. Parks 1941-9-1 24214 Humboldt sandy beaches at mouth Little River Comment
  HSC5664  Ambrosia chamissonis H. E. Parks Sep 1941 24215 Humboldt Little River Comment
  JEPS44699 Image available Amelanchier alnifolia var. semiintegrifolia Lincoln Constance 1934-6-11 845 Humboldt n Dyerville Flat South Fork Eel River, Bull Creek Region (trail along e bank of South Fork Eel River) Comment
  UC584207  Ammophila arenaria David D. Keck and J. Clausen 1935-6-16 3387 Humboldt Mouth of Little River Little River Comment
  UC494005  Amsinckia H. E. Parks, J. P. Tracy 1930-5-25 881 Humboldt near Bridgeville Comment
  HSC3537  Amsinckia intermedia Francis Winter 1960-4-30 Humboldt Samoa Peninsula, 6 mi. W of Arcata. Comment
  UC1239646  Amsinckia lunaris Joseph P. Tracy 1930-5-25 8724 Humboldt near Bridgeville; Northern Coast Ranges 152 Comment
  HSC89589  Anagallis arvensis M. Roantree 1985-5-24 54 Humboldt NW side of Trinidad Head, along trail Comment
  UC963845  Anaphalis margaritacea H. E. Parks and S. T. Parks 1943-8-1 24237 Humboldt along highway Stone Lagoon 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
  SEINET10475558  Anaphalis margaritacea Mary Susan Taylor 1975-4-12 Taylor 466 Humboldt Ca. 2000 yds E of Hwy 101, in Orick, by railroad tracks. Comment
  HSC98105  Anemone deltoidea Cara Witte 2007-6-27 365 Humboldt Forest Service Road 5N04. Near Grouse Mountain. Approximately 1/2 mile east of spring. 1561 Comment
  CAS-BOT-BC391925  Anemone lyallii Doris Kildale 1931-5-10 10576 Humboldt Snow Camp Comment
  HSC97490  Anemone oregana C. Witte 2007-5-21 48 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  HSC14969  Anemone oregana var. oregana D. E. Anderson 1965-6-1 3756 Humboldt Horse Mtn., near ski lodge 1433 Comment
  HSC56060  Angelica arguta G. L. Clifton, Griswold 1979-7-31 11697 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  UC1087231  Angelica hendersonii Peter H. Raven, Richard Snow 1958-7-21 13660 Humboldt Cape Mendocino Comment
  POM318530  Angelica lucida Patricia Wilder 1968-8-21 4376 Humboldt Big Lagoon Park, just west of U.S. 101 15 Comment
  UCD127179  Angelica tomentosa Joseph DiTomaso 1980-8-15 1864 Humboldt 5 miles west of Willow Creek at 34.4 mile road mark on Highway 299. Comment
  UC175968  Anisocarpus madioides Joseph P. Tracy 1911-6-4 3213 Humboldt 5 mi from coast (along Little River); Northern Coast Region, Little River 121 Comment
  UC89528  Anisocarpus madioides Harley P. Chandler June, 1901 1313 Humboldt Hupa Indian Reservation North Coast Ranges 152 Comment
  HSC41274  Antennaria suffrutescens Brad Klipfel 1974-6-25 426 Humboldt Horse Mtn. Comment
  HSC40404  Anthoxanthum occidentale Linda M. Barker 1976-4-13 1387 Humboldt 3 mi. W 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
  CHSC91538  Anthoxanthum odoratum G. Douglas Barbe; T. C. Fuller 1974-6-17 1848 Humboldt North Coast Ranges. At 707 'L' Street, Eureka, behind CSAA (Calif State Automobile Assoc.) district office. Comment
  HSC89483  Anthoxanthum odoratum P. A. Daly 1986-3-12 70 Humboldt Trinidad Head, along trail 61 Comment
  CDA20237  Antirrhinum vexillo-calyculatum subsp. breweri Humboldt Ag Comm 2003-11-18 PDR 1417772 Humboldt North Coast Ranges; Hwy 101 at MM 2.75 near Garberville. 0 Comment
  UC1198738  Aphanes occidentalis J. P. Tracy 1905-5-21 2184 Humboldt immediate vicinity Eureka 0 Comment
  CAS-BOT-BC392159  Aquilegia formosa J. O. Sawyer; R. J. Cole 1977-7-3 3006 Humboldt Environs of Mud Spring. Big Hill Road (F.S. 8N01) 1524 Comment
  HSC79437  Aquilegia formosa Kenneth Clark 1980-6-14 662 Humboldt Deadman's Gulch 46 Comment
  HSC56045  Aquilegia formosa var. truncata G. L. Clifton, Griswold 1979-7-31 11621 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC40232  Arabidopsis thaliana J. P. Smith, J. O. Sawyer 1976-5-2 8626 Humboldt 3.96 mi. N of junction with Hwy. 299 on Hwy. 96 Comment
  HSC57331  Arabis breweri var. breweri Overton, Marvin Butler 1979-7-25 9875 Humboldt Near Sims Mtn., close to the town of Willow Creek 1295 Comment
  HSC70689  Arabis breweri var. breweri Gail Newton 1980-7-15 1568 Humboldt Near Sims Mtn. 1311 Comment
  HSC74547  Arabis platysperma M. A. Baker 1980-7-24 3211 Humboldt Near Orleans Mtn. 1625 Comment
  HSC40527  Aralia californica Thomas W. Nelson, James Nelson 1976-7-28 3059 Humboldt Along Hwy. 36, ca. 4 mi. W of Dinsmore Comment
  UCR178912  Arbutus menziesii R. G. Swinney 1968-4-13 243 Humboldt North Coast, Lanphere's Preserve, west of Arcata 15 Comment
  UC1196876  Arctostaphylos Joseph P. Tracy 1934-3-11 13157 Humboldt French Camp Ridge 1066 Comment
  UC1198678  Arctostaphylos Joseph P. Tracy 1933-4-9 10970 Humboldt Blue Slide Northern Coast Ranges, Van Duzen River 91 Comment
  SEINET11984869  Arctostaphylos canescens Unknown 1965-1 543 Humboldt top of Chimisal Mountain, W of Wailaki Recreation Area, Bureau of Land Management Comment
  HSC99410  Arctostaphylos canescens subsp. canescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 59 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS109812  Arctostaphylos canescens subsp. sonomensis Dean W. Taylor 2004-4-15 19056 Humboldt Titlow Hill Road, 2.5 miles South of Berry Summit on Hwy 299 1112 Comment
  CAS-BOT-BC23740  Arctostaphylos columbiana C. Hart Merriam 1921-8-21 s.n. Humboldt 2 miles north of Trinidad Comment
  CAS-BOT-BC23742  Arctostaphylos columbiana C. Hart Merriam 1920-8-31 s.n. Humboldt Coast Mts. between Shelter Cove and Kenny 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-BC23816  Arctostaphylos columbiana Joseph P. Tracy 1936-8-24 15171 Humboldt Fickle Hill, 6 mi. SE of Arcata 609 Comment
  JEPS38966  Arctostaphylos columbiana Joseph P. Tracy 1934-7-2 13293 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  UC1198654  Arctostaphylos columbiana Joseph P. Tracy 1937-7-17 15441 Humboldt Eureka 45 Comment
  UC1198663  Arctostaphylos columbiana Joseph P. Tracy 1934-2-22 13138 Humboldt vicinity of Trinidad Northern Coast Region 60 Comment
  UC21817  Arctostaphylos columbiana J. Burtt Davy 1899-6-12 5459 Humboldt near Fruitland; North Coast Ranges Comment
  CAS-BOT-BC23738  Arctostaphylos columbiana C. Hart Merriam 1921-7-7 s.n. Humboldt Ridges west of Van Duzen River. Comment
  RSA381132  Arctostaphylos columbiana var. columbiana Roman Gankin, W. Richard Hildreth 1967-10-26 1171 Humboldt 21.4 miles east of US 101 on Bald Hills Road from Orick. French Camp Ridge. Comment
  SD230217  Arctostaphylos glandulosa subsp. glandulosa Louis C. Wheeler 1959-8-1 7621 Humboldt Queens Peak Mine. Comment
  RSA632808  Arctostaphylos knightii Jon E. Keeley 1996-10-13 27773 Humboldt Bald Hills Road, eastern end of Redwood National Park, 25 km west of Highway 96, north of Eureka. 700 Comment
  CHSC63764  Arctostaphylos manzanita Walter Knight; Irja Knight 1988-9-5 6362 Humboldt Bald Hill Road about 21.5 miles from US 101 en route to Hoopa. 929 Comment
  JEPS38923  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1933-4-2 10949 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1225895  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1942-7-18 17285 Humboldt Garberville 152 Comment
  UC153967  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1909-10-7 3112 Humboldt Gans Prairie Northern Coast Ranges 609 Comment
  CAS-BOT-BC40029  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1934-3-11 13154 Humboldt French Camp Ridge 1066 Comment
  CAS-BOT-BC40073  Arctostaphylos nevadensis subsp. knightii Stephen W. Edwards 1985-10-28 85 -52 Humboldt Horse Mt., due east of Arcata 20 miles airline. Comment
  CAS-BOT-BC40074  Arctostaphylos nevadensis subsp. knightii Joseph P. Tracy 1947-7-5 17787 Humboldt Trinity Summit, ridge top one mile west of Mud Springs. 1158 Comment
  CAS-BOT-BC46635  Arctostaphylos patula Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  HSC40857  Arctostaphylos patula Thomas W. Nelson 1976-7-9 2990 Humboldt Ridge S of the E peak of the Lassic Peak (Signal peak) group. 1707 Comment
  CAS-BOT-BC43990  Arctostaphylos uva-ursi Doris Kildale Gillespie 1931-6-7 10660 Humboldt South Fork Mt. Black Lookout 1726 Comment
Read comments
May 16 2019
  CAS-BOT-BC43992  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17503 Humboldt Eureka 45 Comment
  CAS-BOT-BC43997  Arctostaphylos uva-ursi Harley P. Chandler 1901-5-1 1133 Humboldt Humboldt Bay 3 Comment
  CAS-BOT-BC46795  Arctostaphylos uva-ursi Joseph P. Tracy 1945-3-30 17505 Humboldt Eureka 45 Comment
  SBBG83935  Arctostaphylos uva-ursi R. Gankin, W. R. Hildreth 1967-10-24 1147 Humboldt 1.7 mi S of Samoa, on Humboldt Peninsula Comment
  SEINET11987137  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 3993 Humboldt Tilden Botanic Garden, Berkeley, orig. from Table Bluffs near Eureka Comment
  CAS-BOT-BC384746  Arenaria serpyllifolia var. serpyllifolia Joseph P. Tracy 1933-5-18 12192 Humboldt Along Mad River, near Blue Lake 15 Comment
  CAS-BOT-BC64625  Armeria maritima subsp. californica W. R. Dudley 1899-6-1 723 Humboldt Eureka Peninsula. Comment
  HSC48067  Armeria maritima subsp. californica Thomas W. Nelson 1978-4-23 3879 Humboldt N of Samoa Comment
  UC1199254  Arnica cernua Joseph P. Tracy 1926-6-20 7625 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1524 Comment
  CAS-BOT-BC82433  Arnica discoidea Clarence R. Quick 1959-7-24 59 -31 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  HSC40999  Arnica discoidea J. O. Sawyer 1975-10-17 2709 Humboldt Along Big Hill Rd. 915 Comment
  HSC58301  Arnica diversifolia Overton, Butler 1979-8-2 12575 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  HSC32483  Arrhenatherum elatius D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-17 5719 Humboldt McKeown Ranch, N of Dinsmore Comment
  HSC58342  Artemisia douglasiana Overton, Butler 1979-8-2 12667 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA167208  Artemisia douglasiana Joseph P. Tracy 1947-8-24 17892 Humboldt Trinity Summit- Meadow at Box Camp 1463 Comment
  UC1222997  Artemisia douglasiana Joseph P. Tracy 1948-9-6 18158 Humboldt at Willow Creek (Tracy's place); Trinity River Valley 152 Comment
  UC169318  Artemisia douglasiana Joseph P. Tracy 1912-8-3 3976 Humboldt opposite Buck Mountain; Valley of Van Dusen River 762 Comment
  RSA289423  Artemisia dracunculus Lyman Benson 1929-7-16 1824 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA296735  Artemisia pycnocephala J. P. Smith, Thomas W. Nelson 1977-6-30 9216 Humboldt Samoa Peninsula just east of the drag strip. Comment
  RSA15560  Artemisia suksdorfii C. B. Wolf 1927-8-29 1220 Humboldt Devils' Gate, S of Cape Mendocino. Comment
  SDSU6205  Artemisia suksdorfii D. F. Howe 1963-7-8 3620 Humboldt 2.5 miles west of Bridgeville on #36. 152 Comment
  HSC55680  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-26 9933 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  UCD112908  Aruncus dioicus var. acuminatus Joseph P. Tracy 1932-7-18 10708 Humboldt Klamath Mountains. Trinity Summit. Head of Brett Hole. 1828 Comment
  JEPS45625  Aruncus dioicus var. pubescens Joseph P. Tracy 1916-6-25 4749 Humboldt e of Trinidad (Redwood Creek); Northern Coast Ranges 152 Comment
  UC154231  Aruncus dioicus var. pubescens Joseph P. Tracy 1909-6-13 2999 Humboldt near mouth of Warren Creek (hillside on Mad River); Northern Coast Region, Humboldt Bay Region 0 Comment
  UC492191  Aruncus dioicus var. pubescens Joseph P. Tracy 1932-7-18 10807 Humboldt Head of Brett Hole; Klamath Mountains, Trinity Summit 1828 Comment
  CAS-BOT-BC453341  Aruncus dioicus var. vulgaris Doris K. Kildale 1926-7-3 3663 Humboldt Willow Creek Flat under bridge Comment
  HSC58163  Asarum caudatum G. L. Clifton, Griswold 1979-8-2 12227 Humboldt Near Oregon Creek, close to the town of Hoopa 1663 Comment
  HSC64216  Asarum caudatum J. O. Sawyer, M. A. Ericksen 1979-6-23 3385 Humboldt Slopes below Mill Creek Lakes 1585 Comment
  SEINET4069277 Image available Asarum caudatum O. M. Clark 1932-1 5319 Humboldt South Eureka. Comment
  HSC59473  Asarum caudatum M. A. Ericksen 1979-5-9 260 Humboldt Along Jolly Giant Creek, HSU campus Comment
  HSC47953  Asclepias cordifolia Brad Klipfel 1974-7-23 475 Humboldt Horse Mtn. Comment
  SEINET201000  Asclepias cordifolia Joseph P. Tracy 1911-7-9 3477 Humboldt West side of Trinity River near Willow Creek. 183 Comment
  UC449996  Asclepias speciosa Mrs. M. H. Manning 1900-6 Humboldt Hupa Valley Comment
  HSC1053  Aspidotis densa Elrid H. Spinas 1948-5-22 41 Humboldt Horse Mtn. Comment
  HSC73807  Aspidotis densa M. A. Baker 1980-6-16 1927 Humboldt Near Monks Camp. 1097 Comment
  HSC99110  Aspidotis densa Cara Witte 2008-6-13 715 Humboldt Forest Service Road 4N32. 1.4 miles north of intersection with Forest Service Road 4N32B. 1382 Comment
  CAS-BOT-BC177275  Astragalus R. C. Barneby 1954-5-19 11570 Humboldt On Henry Tosteon Ranch near Bear Butte about 4 mi. s. of Miranda 762 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
  SEINET948796  Astragalus umbraticus Joseph P. Tracy 1914-1 4595 Humboldt Bal mountians, between high prairie and snow camp. 1219 Comment
  HSC104349  Astragalus umbraticus James Regan, Humboldt Redwood Co., LLC 2004-1 12 Humboldt Bald Hills, Weitchpec Road Comment
  SEINET13761872  Astragalus umbraticus C. Wilson, M. Groberg, B. Meinke 2011-1 s.n. Humboldt On Green Diamond Resource Company private land; Roadside edge on W slope of French Camp Ridge. 853 Comment
  HSC3824  Asyneuma prenanthoides D. E. Anderson 1962-7-17 2273 Humboldt Camp Bauer, 1/4 mi. E of Korbel, along N Fork of Mad River Comment
  RSA246930  Athyrium filix-femina subsp. cyclosorum R. F. Thorne, Percy C. Everett 1965-8-9 35292 Humboldt Big Lagoon 3 Comment
  HSC55184  Athyrium filix-femina var. cyclosorum G. L. Clifton, Terry Griswold 1979-8-2 12228 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  JEPS35158  Athyrium filix-femina var. cyclosorum Milo S. Baker 1923-7-23 123 Humboldt near Ferndale Comment
  UC1198294  Athysanus pusillus Joseph P. Tracy 1908-6 2939 Humboldt nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 1219 Comment
  UC1056069  Avena barbata J. I. Mallory 1955-1-16 111 Humboldt 2 mi e junction of Eel River and South Fork of Eel River 243 Comment
  UCD56227  Avena barbata A. H. Murphy 1951-3-30 s.n. Humboldt Beside county road. 6 miles south of Petrolia near Mattole Valley Range Hall. Comment
  SEINET10668635  Baccharis Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 486 Humboldt Collected by Hwy. 101, N side of Orick. Rocky area, densely forested by river. 30 Comment
  HSC36924  Baccharis douglasii Thomas W. Nelson, W. E. Pratt 1975-8-10 2241 Humboldt Along Shively Rd. N of Shively Comment
  RSA93204  Baccharis douglasii F. W. Peirson 1926-7-13 7061 Humboldt Mad River, vicinity of Blue Lake. Comment
  HSC47014  Baccharis pilularis subsp. consanguinea Sheila Logan 1978-11-23 223 Humboldt Manila Sand Dunes, Manila; 1/4 mile W of junction with Samoa Blvd. and Redwood Gun club 6 Comment
  HSC90476  Baccharis pilularis subsp. consanguinea Jean Hanson 1980-10-26 127 Humboldt Indian (Gunther) Island. In Humboldt Bay, City of Eureka. W end of island next to dike. Comment
  HSC5115  Baccharis pilularis subsp. pilularis Paul Shields 1955-9-29 Humboldt 1/2 mi. S of Fernbridge Comment
  HSC26635  Balsamorhiza deltoidea Thomas W. Nelson 1971-5-31 457 Humboldt Adjacent to the Mad River N of Dinsmore Comment
  UCD129526  Balsamorhiza deltoidea James P. Smith 1973-5-5 6416 Humboldt along Cook and Green Pass road. Comment
  UC552310  Balsamorhiza deltoidea Joseph P. Tracy 1935-6-16 11282 Humboldt lower nw slope Buck Mountain 792 Comment
  POM52329  Balsamorhiza hookeri var. lagocephala Geo. D. Butler 1910-4-9 1157 Humboldt Dry hill near Eureka Comment
Read comments
Dec 1 2014
  BLMAR522  Barbarea orthoceras Jennifer Wheeler 2009-4-30 522 Humboldt King range, Hidden Valley trail Comment
  CHSC68559  Bellardia trixago Vernon H. Oswald 1997-4-29 8361 Humboldt Somoa Dunes Recreation Area at the south end of the North Spit separating Hunbolt Bay from the ocean. Near seal level. Coastal Dunes. Comment
  UCR123950  Bellis perennis George K. Helmkamp, E. A. Helmkamp 2001-7-8 6993 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  JEPS3738  Bensoniella oregona Rimo Bacigalupi and L. Constance with R. Moran, R. L. Rodriguez and Sherwin Carlquist 1951-6-14 3416 Humboldt close to the base Snow Camp Mt. (at Snow Camp, near summit of long high ridge (Bald Mt. ridge) between Mad River and Redwood Creek); nr summit Bald Mt. Snow Camp Mt, btw Mad River and Redwood C 1432 Comment
  HSC24105  Berberis aquifolium var. repens J. O. Sawyer 1971-6-17 2388 Humboldt Along trail slopes above Horse Linto Creek 1341 Comment
  CHSC23182  Berberis nervosa Robert F. Thorne; P. Everett 1965-8-5 35138 Humboldt Mt. Chamisal: Below summit. 533 Comment
  HSC31569  Berberis nervosa Glenn McGourty 1974-5-11 39 Humboldt Timber trail off Maple Creek Rd. in Kneeland Comment
  HSC41329  Berberis nervosa Brad Klipfel 1974-8-2 509 Humboldt Horse Mtn. Comment
  CAS-BOT-BC412990  Bistorta bistortoides L. B. Kildale 1930-8-10 10531 Humboldt Snow Camp, head of Redwood Creek Comment
  HSC55339  Bistorta bistortoides Griswold, Butler 1979-7-12 7192 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  SBBG25588  Blechnum spicant E. R. Blakley 1966-8-17 6792 Humboldt Little Crk, Prairie Crk St Park, ca. 10 mi N of Orick 64 Comment
  HSC984  Blechnum spicant Gene S. Van Horn 1962-1-5 5 Humboldt Arcata, Near mouth of W Creek entering H.S.C. reservoir 61 Comment
  UC1198303  Boechera platysperma Joseph P. Tracy 1935-6-28 14325 1/2 Humboldt Head of Devils Hole Trinity Summit 1828 Comment
  POM247177  Boisduvalia glabella Joseph P. Tracy 1934-7-9 13349 Humboldt Dobbyn Creek 152 Comment
  CAS-BOT-BC95327  Bowlesia incana Dr. A. Kellogg; W. G. W. Harford 1868-1-1 297 Humboldt unspecified Comment
  HSC99464  Boykinia major K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 118 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC207730  Boykinia occidentalis Joseph P. Tracy 1918-7-5 5002 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC420253  Boykinia occidentalis Roxana S. Ferris 1937-8-21 9390 Humboldt cliff above beach, Shelter Cove Comment
  CAS-BOT-BC420262  Boykinia occidentalis Roxana S. Ferris 1937-8-21 s.n. Humboldt in cliff above beach, Shelter Cove Comment
  SEINET12215472  Boykinia occidentalis H. P. Chandler 1901-1 1501 Humboldt Klamath River - North Coast Ranges 427 Comment
  HSC37950  Brassica nigra Peter Sorensen 1976-6-16 Humboldt Woodley Island, Humboldt Bay Comment
  HSC39796  Brassica rapa Peter Sorensen 1976-5-29 Humboldt King Salmon Comment
  CAS-BOT-BC106285  Brickellia californica Hubert O. Jenkins 1943-8-1 s.n. Humboldt In dry rocky bed of Eel River, Richardson Grove Comment
  CAS-BOT-BC293762  Briza maxima D. H. Wilken; E. L. Painter 2007-6-4 16739 Humboldt Samoa Dunes, ca. 0.4 km W of US Coast Guard Station, North Spit, Humboldt Bay, SW of Eureka 5 Comment
  HSC104040  Briza maxima C. Reynolds 2015-4-12 36 Humboldt Just off footpath at southern parking lot of Kuchel Visitor Center 4 Comment
  HSC59213  Briza maxima Terry Roth 1979-5-29 90 Humboldt Off Alliance Rd. near Westwood Ct. at bottom of hillside Comment
  UC526898  Briza maxima Joseph P. Tracy 1930-6-15 8758 Humboldt Alder Point North Coast Ranges 152 Comment
  UCR274950  Briza maxima Charity A. Hartshorn 2016-4-24 25 Humboldt Arcata Marsh & Wildlife Sanctuary, east end of Klopp Lake 7 Comment
  CAS-BOT-BC145570  Briza minor Doris K. Kildale 1925-6-28 916 Humboldt Fleener Creek. Comment
  UC37551  Briza minor Joseph Burtt Davy and Walter C. Blasdale 1899-6-12 5473 Humboldt Elk Prairie Comment
  CAS-BOT-BC484221  Brodiaea elegans subsp. elegans L. R. Abrams 1918-6-16 7179 Humboldt Lower area trasnition Tone Willow Creek Comment
  SEINET10833761  Brodiaea ida-maia Lyman D. Benson 1930-7-18 Benson 2188 Humboldt West of Willow Creek. Mt. Range, Seaward N coast. River West of Trinity 1500 feet. Slope south Barren hillsides, abundant. Comment
  CAS-BOT-BC486506  Brodiaea stellaris Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  UC1225870  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1942-6-15 17125 Humboldt near Redcrest resort; Englewood 91 Comment
  UC1222694  Brodiaea terrestris subsp. terrestris Joseph P. Tracy 1950-6-15 18771 Humboldt between Pepperwood and Dyerville (Englewood Prairie); Englewood Comment
  RSA91688  Bromus carinatus F. W. Peirson 1941-7-23 13118 Humboldt Van Damme State Park. Along the creek about 2 miles from camp. Comment
  UC34028  Bromus carinatus var. carinatus Henry Melde 1902-2-8 Humboldt Eureka Comment
  UC37587  Bromus carinatus var. carinatus Joseph Burtt Davy 1899-6-21 5725 Humboldt Hupa Valley, Supply Creek Supply Creek; Hupa Valley, Supply Creek Comment
  HSC102146  Bromus carinatus var. marginatus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1053 Humboldt Patterson Meadows 1566 Comment
  HSC9214  Bromus carinatus var. marginatus R. I. Bonn 1965-10-1 Humboldt 2 mi. N of Bridgeville on May Ranch. 732 Comment
  UCD59150  Bromus carinatus var. marginatus A. H. Murphy 1951-5-18 s.n. Humboldt 1.5 mi. south of Petrolia on county road. West side of Mattole River near bridge. Comment
  BLMAR41  Bromus diandrus Brad Barr 1982-6-21 41 Humboldt King range, hidden valley enclosure Comment
  HSC9244  Bromus hordeaceus E. W. Styskel 1964-4-26 71 Humboldt End of Davis St. at edge of Eel River in Rio Dell. Comment
  SEINET11682985  Bromus hordeaceus K. S. Erdman 1970-1 4784 Humboldt Doleson Hill Prairie, Bald Hills Rd SE of Orick Comment
  UC1103347  Bromus madritensis subsp. rubens Joseph P. Tracy 1932-4-3 9790 Humboldt near Englewood (North Coast Ranges); North Coast Ranges 91 Comment
  HSC97099  Bromus sterilis Yun Chan, Renee Meyer, Sophary Yun 2007-6-11 5 Humboldt 14.1 mi. S of Hwy. 299 on FS Rd. NF1 1364 Comment
  HSC72631  Bromus vulgaris J. P. Smith 1977-7-3 9252 Humboldt Six Rivers National Forest, along the road to Onion Lake, just above Blue Lake 976 Comment
  UC1103266  Bromus vulgaris Joseph P. Tracy 1926-6-13 7600 Humboldt near Blue Lake (on Liscom Hill Road); North Coast Ranges, Liscom Hill Road 152 Comment
  RSA249329  Cacaliopsis nardosmia D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5569 Humboldt Westward lower slopes of Black Lassic near Trinity County line. 1585 Comment
  CAS-BOT-BC36863  Cakile edentula var. edentula Carl B. Wolf 1927-8-29 1217 Humboldt Seacoast, Devil's Gate, south of Cape Mendocino. Comment
  CAS-BOT-BC36864  Cakile edentula var. edentula Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-11 1337 Humboldt At easten shore of Stone Lagoon. Comment
  UC526774  Calamagrostis breweri Joseph P. Tracy 1932-7-14 10553 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC74075  Calamagrostis foliosa Joyce Walker 1980-8-21 Humboldt Comment
Read comments
May 26 2013
  HSC58646  Calamagrostis koelerioides G. L. Clifton, Griswold 1979-7-31 11666 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  UC552719  Calamagrostis koelerioides Joseph P. Tracy 1935-7-24 14192 Humboldt near Ranger Station; Trinity Summit 1828 Comment
  BLMAR27  Calamagrostis nutkaensis Brad Barr June, 1982 27 Humboldt King range, on edge of high bench above light house Comment
  UCD57537  Calamagrostis ophitidis R. Tofsrud 1948-9-3 s.n. Humboldt 3-4 miles south of Berry's Summit at road junction near summit of Horse Mountain. 1463 Comment
  UC1198379  Calandrinia ciliata Joseph P. Tracy 1930-6-8 8735 Humboldt Kneeland Prairie 762 Comment
  UC1922744  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, P. Everett 1965-8-9 35345 Humboldt Along Hwy. 101 about 3 mi. N or Eureka. Comment
  JEPS42834  Callitriche heterophylla var. bolanderi W. L. Jepson 1936-8-17 17921 Humboldt 2.5 mi s Fields Landing Comment
  HSC58323  Calocedrus decurrens Overton, Butler 1979-8-2 12620 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA46654  Calocedrus decurrens Doris K. Kildale 1937-9-14 15359 Humboldt Grouse Mountain Comment
  SBBG28816  Calocedrus decurrens D. K. Kildale 1926-8-15 2522 Humboldt Willow Crk Flat 152 Comment
  CAS-BOT-BC488453  Calochortus amabilis H. D. Ripley; R. C. Barneby 1948-6-16 6813 Humboldt South of Miranda 121 Comment
  CAS-BOT-BC488459  Calochortus amabilis Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  JEPS61643  Calochortus coeruleus Hilda W. Grinnell 9 Humboldt McKay Camp South Fork Mountain 1676 Comment
  HSC15346  Calochortus tolmiei H. E. Parks, J. P. Tracy 1930-5-25 790 Humboldt Laribee Valley 762 Comment
  RSA183584  Calochortus tolmiei D. E. Anderson 1965-5-15 3716 Humboldt Along Hw. 96, 1.9 miles north of Willow Creek. Comment
  CAS-BOT-BC494361  Calochortus tolmiei Volney Rattan 1879-1-1 s.n. Humboldt Ferndale Comment
  HSC44357  Calochortus tolmiei Brad Klipfel 1974-5-27 399 Humboldt Horse Mtn., ridge top near forks in rd. Comment
  RSA43837  Calycadenia ciliosa H. M. Pollard 1947-9-9 s.n. Humboldt Hoopa Indian Reservation Comment
  HSC37699  Calypso bulbosa J. D. Ackerman 1976-5-29 758 Humboldt Lanphere-Christensen Dunes Nature Conservency, W of Arcata, near Lanphere's former residence. Comment
  UC1222191  Calypso bulbosa Joseph P. Tracy 1950-5-7 18643 Humboldt about 5 mi n of Bridgeville (on road to South Yager Valley) Comment
  HSC102606  Calyptridium monospermum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1593 Humboldt Slopes above Bret Hole and below trail 6E18, 1.5 km SSW of Trinity Summit. 1778 Comment
  HSC98759  Calyptridium monospermum Cara Witte 2008-7-2 815 Humboldt Board Camp Mountain. Road to Tri Board Camp. Forest Service Road 4N38. 1574 Comment
  UC1198375  Calyptridium umbellatum Joseph P. Tracy 1933-7-16 12791 Humboldt along summit of South Fork Mountain near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC1197877  Calystegia soldanella Joseph P. Tracy 1915-6-6 4650 Humboldt sandy beach near mouth Elk River (Eureka); Northern Coast Region, nr mouth Elk River, at Eureka 0 Comment
  UC13767  Camassia quamash subsp. quamash W. C. Blasdale 1896-6-4 Humboldt Eureka Comment
  HSC16440  Camissonia cheiranthifolia B. Francis 1964-5-19 6 Humboldt 0.5 mi. S of Fairhaven Comment
  POM254099  Camissonia cheiranthifolia subsp. cheiranthifolia A. H. Harris, S. K. Harris, Clarence Crane Jr. 1939-8-23 970 Humboldt Samoa Comment
  UC144059  Camissonia contorta Joseph P. Tracy 1908-6 2687 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS11849  Campanula prenanthoides Lincoln Constance 1934-6-11 854 Humboldt Lower Look Prairie, and Bull Creek road to Dyerville South Fork Eel River, Bull Creek Region Comment
  RSA21317  Campanula prenanthoides C. B. Wolf 1937-8-13 9215 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  SEINET10462885  Campanula prenanthoides Baker 1947-8-8 Baker 11925 Humboldt 10 mi along rd. from hwy. 101 N of Orick towards Hoopa. 610 Comment
  SEINET10463332  Campanula prenanthoides Alma L. Moldenke, Harold N. Moldenke 1975-8-21 Moldenke 20338 Humboldt RIO DELL, IN DEEP FOREST Comment
  SEINET10463344  Campanula prenanthoides Duncan 1920-9-22 Duncan s.n. Humboldt HOOPA VALLEY Comment
  SEINET10873256  Campanula prenanthoides Willis L. Jepson Jepson s.n. Humboldt Big Heorse Mountain Comment
  HSC34270  Campanula scouleri K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  JEPS11743  Campanula scouleri Milo S. Baker 1923-7-20 52 Humboldt road from Redwood House to Yager 609 Comment
  SEINET10463751  Campanula scouleri James P. Smith 1977-7-3 Smith, Jr. 9250 Humboldt Six Rivers National Forest: along the road to Onion Lake, just above Blue Lake. T10N R4E Sec. 15 975 Comment
  SEINET10463756  Campanula scouleri Chesnut 1888-6-19 CHESNUT s.n. Humboldt Pilot Ridge Comment
  SEINET201886  Campanula scouleri Joseph P. Tracy 1947-6-28 17722 Humboldt Dinsmore's along Van Duzen River opposite Buck Mountain. 762 Comment
  UC168957  Campanula scouleri Joseph P. Tracy 1908-6 2858 Humboldt opposite Buck Mountain (in woods); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC44638  Capsella bursa-pastoris Diane L. Reed 1978-5-7 67 Humboldt E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299 Comment
  CAS-BOT-BC37431  Cardamine californica Victor Duran 1933-5-11 3405 Humboldt Van Duzen River near Bridgeville. Comment
  HSC44273  Cardamine californica Barbara Kelly 1977-4-23 299 Humboldt 2.5 mi. S of Shelter Cove Rd., S Fork of Bear Creek at Wailaki Campground, between campsite and marsh 561 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
  UC30033  Cardamine californica W. C. Blasdale 1896-6-9 Humboldt Fitzgeralds Comment
  UC1173730  Cardamine californica var. sinuata Joseph P. Tracy 1939-4-25 16221 Humboldt mouth Bull Creek; Mouth of Bull Creek 60 Comment
  UC562287  Carex aquatilis var. dives Joseph P. Tracy 1934-7-30 13504 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 6 Comment
  JEPS25970  Carex arcta Joseph P. Tracy 1934-7-13 13389 Humboldt Dow's Prairie. Comment
  POM247170  Carex athrostachya Joseph P. Tracy 1934-7-18 13426 Humboldt Grouse Mountain. 1524 Comment
  CAS-BOT-BC19091  Carex aurea Joseph Prince Tracy; H. E. Parks 1931-5-9 9401 Humboldt Northern Coast Region. Vicinity of Trinidad. At Bishop Pine Lodge. 60 Comment
  CHSC84737  Carex bolanderi L. P. Janeway 2003-7-27 7929 Humboldt North Coast. On ridge between Stone Lagoon, Dry Lagoon and the beach (Sharp Point). Along trail. 823 Comment
  HSC63285  Carex bolanderi M. A. Baker 1979-6-29 965 Humboldt Hopkin's Creek. 760 Comment
  POM247168  Carex brainerdii Joseph P. Tracy 1935-7-30 14350 Humboldt 2 miles SW of top, Salmon Summit. 1768 Comment
  UC1586920  Carex canescens Juha Pykala and D. H. Norris 1987-6-5 1435 Humboldt e Maple Creek; Lake Prairie 1050 Comment
  HSC98942  Carex concinnoides Cara Witte 2007-5-26 660 Humboldt National Forest 1. 1/2 mile south of intersection with Forest Service Roads 6N38 and 6N36. 1458 Comment
  CAS-BOT-BC34978  Carex densa Joseph Prince Tracy 1936-6-17 14953 Humboldt Northenr Coast Ranges. Buck Mountain, lower foothills of its northwestern slope. 762 Comment
  JEPS79853  Carex echinata subsp. echinata Joseph P. Tracy 1933-7-25 12845 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  POM160306  Carex echinata subsp. echinata Joseph P. Tracy 1926-6-27 7666 Humboldt Horse Mountain 1463 Comment
  CAS-BOT-BC20011  Carex feta Alice Eastwood; John Thomas Howell 1937-6-22 4743 Humboldt Near Blocksburg. Comment
  SEINET7559345 Image available Carex fracta L. P. Janeway 2003-7-30 7942 Humboldt Grouse Mountain Quad, High North Coast Range, on northeast side of Titlow Hill Road, across from a small pond, on the map but un-named, 1.1 km south of Cold Spring. 1426 Comment
  CAS-BOT-BC20841  Carex geyeri Joseph Prince Tracy 1933-7-11 12662 Humboldt Horse Mountain. 1432 Comment
  UC1755279  Carex geyeri Dean W. Taylor 2007-7-11 20162 Humboldt Horse Mountain; Six Rivers National Forest, Titlow Hill Road at the junction with Forest Road 6N18 1432 Comment
  UC562715  Carex globosa Joseph P. Tracy 1932-4-23 9832 Humboldt Englewood North Coast Ranges 91 Comment
  UC562625  Carex gynodynama Joseph P. Tracy 1936-6-21 14991 Humboldt Iaqua. Comment
  POM292660  Carex gynodynama Lyman Benson 1929-7-16 1830 Humboldt Weott Ranger Station. Comment
  JEPS25973  Carex harfordii Joseph P. Tracy 1935-6-8 13938 Humboldt Northern Coast Ranges, Eureka Eureka; Northern Coast Ranges, Eureka 0 Comment
  UC562660  Carex harfordii Joseph P. Tracy 1935-7-14 14087 Humboldt Grouse Mountain North Coast Ranges 1524 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
  RSA15489  Carex hendersonii Joseph P. Tracy 1933-5-28 12415 Humboldt Carlotta. 61 Comment
  HSC102150  Carex hoodii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1057 Humboldt Patterson Meadows 1555 Comment
  JEPS79846  Carex hoodii Joseph P. Tracy 1932-7-11 10410 Humboldt Trinity Summit, Corral Prairie Trinity Summit; , Corral Prairie 1584 Comment
  CHSC90284  Carex laeviculmis Thomas W. Nelson; Jane P. Nelson 1987-6-11 8586 Humboldt North Coast Ranges. At trail head and along trail to Grogans Hole. Comment
  HSC98934  Carex laeviculmis Cara Witte 2007-7-11 480 Humboldt Cold Spring. 1/2 mile south of Titlow Hill. 1391 Comment
  UC562428  Carex laeviculmis Joseph P. Tracy Jul 16 1930-Jul 19 1930 8995 Humboldt McKay Camp Northern Coast Ranges, South Fork Mountain 1676 Comment
  HSC102224  Carex leptopoda M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-4 1143 Humboldt Patterson Meadows 1555 Comment
  RSA88654  Carex leptopoda Joseph P. Tracy 1935-6-8 13937 Humboldt Eureka. 61 Comment
  HSC44035  Carex leptopoda Thomas W. Nelson, Jane P. Nelson 1977-7-1 3580 Humboldt Along road, N from Alder Springs 1463 Comment
  HSC76390  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
  HSC102153  Carex microptera M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1061 Humboldt Patterson Meadows 1555 Comment
  UC562669  Carex multicostata Joseph P. Tracy 1927-7-4 8233 Humboldt Iaqua North Coast Ranges 609 Comment
  HSC44548  Carex multicostata Brad Klipfel 1973-7-15 167 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC119717  Carex nervina Joseph Prince Tracy 1932-7-15 10572 Humboldt Trinity Summit, open places at Corral Prairie. 1584 Comment
  CAS-BOT-BC119544  Carex nudata L. P. Janeway 1983-7-23 437 Humboldt Hoopa quad. Along the W side Klamath River at Aikens Creek. 91 Comment
  HSC70471  Carex nudata J. P. Tracy 1911-6-4 3221 Humboldt Along Little River, 5 mi. from coast 122 Comment
  BLMAR237  Carex obnupta Jennifer Anthony-Wheeler 1996-9-26 237 Humboldt King range, growing in wet places in creeksides habitat between Nadelos and Wailaki 548 Comment
  HSC45277  Carex obnupta Brad Klipfel 1973-4-27 315 Humboldt SW side of Big Lagoon Comment
  SEINET7569467 Image available Carex obnupta David Castaner 1984-5-28 8064 Humboldt Patrick State Park, Redwood Forest area. Comment
  CAS-BOT-BC119232  Carex pachystachya Joseph Prince Tracy 1936-7-5 15043 Humboldt Grouse Mountain. 1524 Comment
  CAS-BOT-BC119242  Carex pachystachya Joseph Prince Tracy 1939-7-9 16340 Humboldt Snow Camp 1402 Comment
  UC562258  Carex pansa Joseph P. Tracy 1935-7-18 14104 Humboldt next to Table Bluff (around Humboldt Bay); around Humboldt Bay 3 Comment
  CAS-BOT-BC118598  Carex praticola Joseph Prince Tracy 1914-5-3 4421 Humboldt At Eureka 60 Comment
  CAS-BOT-BC118008  Carex rossii Joseph Prince Tracy 1932-5-10 9937 Humboldt Bear River Redge, on open grassy hills. 609 Comment
  HSC103625  Carex rossii Thomas W. Nelson, Jane Nelson 1987-6-11 8536 Humboldt Along Forest Service Rd. 13N01, 18 mi. from junction with State Route 96. 1067 Comment
  HSC98943  Carex serratodens Cara Witte 2007-6-4 196 Humboldt Cold Spring. 0.5 mile S of Titlow Hill. 1386 Comment
  HSC102234  Carex subfusca M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1156 Humboldt Patterson Meadows 1555 Comment
  JEPS79864  Carex subfusca Joseph P. Tracy 1935-6-23 13984 Humboldt French Camp Ridge Northern Coast Ranges 1066 Comment
  UC562636  Carex subfusca Joseph P. Tracy 1936-6-5 14858 Humboldt 6 mi se Arcata (Fickle Hill) 579 Comment
  UC585639  Carex tumulicola Joseph P. Tracy 1937-5-17 15295 Humboldt near Willow Creek; Trinity River Valley 152 Comment
  CAS-BOT-BC115536  Carex unilateralis Joseph Prince Tracy 1938-7-5 16007 Humboldt Carlotta. Wet place in open flat by old Strong's District School House, 5 mi E of town. 45 Comment
  UC562332  Carex utriculata Joseph P. Tracy 8988 Humboldt South Fork Mountain; McKay Camp 1676 Comment
  UC562344  Carex vesicaria var. major Joseph P. Tracy 1934-9-15 13668 Humboldt Dow's Prairie 60 Comment
  CDA33171  Carex viridula subsp. viridula Gordon Leppig 1999-10-3 1258 Humboldt Big Lagoon County Park, Big Lagoon Bog. Comment
  CHSC43009  Carex viridula subsp. viridula L. P. Janeway 1987-8-30 2534 Humboldt At Dry Lagoon. Middle of lagoon. 3 Comment
  UC162563  Castilleja Joseph P. Tracy 1911-5-30 3199 Humboldt Eureka; Northern Coast Region 0 Comment
  JEPS57402  Castilleja affinis subsp. litoralis L. R. Heckard with T. I. Chuang 1968-7-4 1978 Humboldt 2 mi sw Orick (along Highway 101, at n end of Freshwater Lagoon); Freshwater Lagoon Comment
  HSC91171  Castilleja ambigua subsp. humboldtiensis Leonel Arguello 1989-6-11 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  HSC95070  Castilleja ambigua subsp. humboldtiensis Lila Tauzer 2002-5-3 45 Humboldt Arcata Marsh 0 Comment
  UC902257  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1948-9-5 18191 Humboldt head of Little Hors-Linto Creek; Trinity Summit 1371 Comment
  UC1222834  Castilleja arachnoidea Joseph P. Tracy 1950-8-8 19296 Humboldt Croghan Hole Trinity Summit (on Trinity Summit) 1676 Comment
  HSC101746  Castilleja attenuata J. P. Smith, J. O. Sawyer 2010-5-2 12810 Humboldt Along Hwy. 96, N of Orleans 140 Comment
  HSC78967  Castilleja attenuata L. P. Janeway 1984-5-16 790 Humboldt N Spit of Humboldt Bay, W side of Samoa Rd., 0.25 mi. N of the boat ramp 3 Comment
  HSC40935  Castilleja exserta subsp. latifolia Linda M. Barker 1976-6-1 1545 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC49514  Castilleja exserta subsp. latifolia R. York 1979-5-18 292 Humboldt Stabilized dunes opposite the Louisiana Pacific mill in Samoa Comment
  HSC59456  Castilleja exserta subsp. latifolia M. A. Ericksen 1979-5-18 301 Humboldt Samoa Dunes, .5 mi. S of Simpson Timber Company plant entrance Comment
  RSA221712  Castilleja litoralis Noel Holmgren, Liew Fah Seong 1969-6-24 3611 Humboldt 5.6 miles west of Ferndale. Comment
  RSA516622  Castilleja litoralis R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-11 4758 Humboldt 1.2 miles south of Trinidad. Comment
  HSC92193  Castilleja mendocinensis E. Mackey 1986-7-6 Humboldt Patrick's Point State Park, on trail to Wedding Rock. Comment
  HSC56082  Castilleja miniata G. L. Clifton, Griswold 1979-7-31 11766 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  HSC99512  Castilleja miniata K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 174 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  UC41774  Castilleja miniata Chesnut and Drew Aug 1888 Humboldt Grouse Creek Comment
  CAS-BOT-BC244880  Castilleja miniata Joseph P. Tracy 1939-8-20 16429 Humboldt near Blue Bale, along Mad River 15 Comment
  UC582476  Castilleja pruinosa Joseph P. Tracy 1933-7-11 12674 Humboldt Horse Mountain 1432 Comment
  UC1502116  Ceanothus R. Sutherland 1976-5-11 8 .11-76 Humboldt just outside Sec 32 Sec 32; Pt. Delgada Quad. 609 Comment
  HSC41255  Ceanothus arcuatus Brad Klipfel 1974-6-25 445 Humboldt Horse Mtn. Comment
  SEINET7720971  Ceanothus cuneatus Chesnut, Drew 1888-8-1 Humboldt Grouse Creek Comment
  CHSC105181  Ceanothus cuneatus var. cuneatus B. Castro; L. P. Janeway 1996-8-4 705 Humboldt Just off W boundary of Six Rivers NF, near Horse Mtn. Along Titlow Hill Rd (Rd #1), on sharp curves in road near a 'lookout' point. 1280 Comment
  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
Read comments
Jun 7 2011
  UCD112128  Ceanothus foliosus R. N. Raynor 1935-5-22 s.n. Humboldt Fort Seward. Comment
  CAS-BOT-BC50053  Ceanothus incanus Joseph P. Tracy 1935-5-25 13824 Humboldt Larrabee Creek, near Bosworth's 304 Comment
  CAS-BOT-BC50054  Ceanothus incanus Volney Rattan 1878-1-1 s.n. Humboldt unspecified Comment
  UC1198005  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13181 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  UC668164  Ceanothus integerrimus Joseph P. Tracy 1934-4-15 13180 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC43184  Ceanothus parryi R. Sutherland 1975-4-22 6 .22475 Humboldt Near China Creek at county rd. 207 Comment
  JEPS42120  Ceanothus parryi E. Fritz Apr. 1934 Humboldt Philipsville Comment
  JEPS42236  Ceanothus parryi W. L. Jepson 1932-7-24 16388 Humboldt Mail Ridge Comment
  UCD112499  Ceanothus parryi B. L. Kay 1955-6-2 s.n. Humboldt Wagner Ranch, 5 miles southwest of Graberville. 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
Read comments
Mar 29 2012
  CAS-BOT-BC53063  Ceanothus pumilus Clarence R. Quick 1959-7-24 59 -34 Humboldt Bee Mt., ca. 12 miles southwest of Orleans Comment
  BLMAR200  Ceanothus thyrsiflorus Donald Hazlett 1994-6-7 200 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  HSC31463  Ceanothus thyrsiflorus Steve Selva, Roger Jensen 1974-8-28 100 Humboldt Behind HSU Campus Comment
  HSC37063  Ceanothus thyrsiflorus R. Sutherland 1975-5-28 8 .28575 Humboldt Along Horse Mtn. Rd. 488 Comment
  HSC89425  Ceanothus thyrsiflorus P. A. Daly 1984-5-8 6 Humboldt Trinidad Head. 61 Comment
  HSC98197  Ceanothus thyrsiflorus R. Sutherland 1975-7-4 2 .4775 Humboldt Along Shelter Cove Rd. 0.5 mi W of Horse Mtn. Rd. 579 Comment
  UC176985  Ceanothus thyrsiflorus Joseph P. Tracy 1912-7-23 3800 Humboldt 5 mi above the mouth South Fork Eel River; Northern Coast Ranges, along South Fork Eel River 30 Comment
  UC594242  Ceanothus thyrsiflorus S. K. Harris 1936-6-8 3233 Humboldt roadside on bluff above ocean at Centerville; on bluff above ocean at Centerville Comment
  UCSC000467  Ceanothus thyrsiflorus A. E. Wieslander 1931-5-21 209 Humboldt China Flat, Kneeland Comment
  POM203232  Ceanothus velutinus M. S. Jussel 1931-5-2 s.n. Humboldt near Garberville Comment
  SDSU10422  Ceanothus velutinus D. F. Howe 1961-8-2 3122 Humboldt 27.0 m iles east of Orick of Bald Mtn. Road. 762 Comment
  HSC55662  Ceanothus velutinus var. velutinus Overton, Butler 1979-7-24 9803 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC1199120  Centaurea X moncktonii Joseph P. Tracy 1933-8-22 12973 Humboldt at Eureka Eureka 60 Comment
  CAS-BOT-BC277187  Centaurea X pouzinii T. C. Fuller 1960-8-25 4975 Humboldt Pacific Lumber Co., Perrott Creek, across Eel River from Dyerville Comment
  UC1119132  Centaurea melitensis H. L. Person 1932-7-23 Humboldt road e of Korbel; Eureka Quadrangle Comment
  RSA12461  Centaurium muehlenbergii Carl B. Wolf 1934-6-30 5832 Humboldt One half mile from Briceland on road to Garberville. 91 Comment
  CAS-BOT-BC384905  Cerastium arvense Kenneth Clark 1980-4-18 599 Humboldt Shelter Cove. Above Dead Man's Gulch 175 Comment
  CAS-BOT-BC384997  Cerastium fontanum Joseph P. Tracy 1907-5-20 2561 Humboldt Northern Coast Region. At Eureka 60 Comment
  HSC68022  Cerastium glomeratum J. P. Smith, Steve Selva 1970-6-30 4140 Humboldt Comment
  HSC100414  Cerastium nutans Carl C. Marshall Jun 1887 446 Humboldt Throughout Humboldt County. Comment
  CAS-BOT-BC400144  Ceratophyllum demersum Henry M. Pollard 1946-8-16 s.n. Humboldt Pond near Harley place, Orleans region Comment
  CAS-BOT-BC179477  Cercis occidentalis Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopo Valley Comment
  HSC56952  Chamaecyparis lawsoniana Overton, Butler 1979-7-23 9456 Humboldt Near Horse Mtn. Mine, close to the town of Willow Creek 1295 Comment
  POM161038  Chamaecyparis lawsoniana Joseph P. Tracy 1926-6-27 7672 Humboldt Horse Mountain 1463 Comment
  UC1299765  Cheilanthes gracillima Freed W. Hoffman 1949-7-15 3008 Humboldt e slope Mule slide (Mt Lassic Group a little s of Blue Ridge) Comment
  RSA478451  Chenopodium botrys M. S. Jussel 1931-5-2 s.n. Humboldt Garberville. Comment
  UC55946  Chenopodium botrys J. P. Tracy 1902-8-10 1767 Humboldt Eel River Railroad Station Immediate vicinity of Eureka 0 Comment
  HSC55035  Chimaphila menziesii Overton, Butler 1979-7-31 11486 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  HSC73779  Chimaphila menziesii M. A. Baker 1980-6-7 1772 Humboldt Near Brush Mtn. 1128 Comment
  UC1197596  Chimaphila menziesii Joseph P. Tracy 1911-7-7 3439 Humboldt ridge n. Willow Creek (between Willow & Campbell Creeks, Brannan Mt., near summit); Northern Coast Ranges, Brannan Mt. 1219 Comment
  HSC100471  Chimaphila menziesii Carl C. Marshall Jun 1885 89 Humboldt Higher hills. Comment
  CAS-BOT-BC452228  Chimaphila umbellata Volney Rattan no date on label; presented in 1903 s.n. Humboldt Mad River Comment
  HSC54505  Chimaphila umbellata Overton, Butler 1979-7-23 9403 Humboldt Near Horse Mtn., close to the town of Willow Creek 1478 Comment
  UC116156  Chimaphila umbellata Harley P. Chandler June, 1901 1398 Humboldt Hupa Indian Reservation North Coast Ranges, Hupa Indian Reservation 152 Comment
  HSC15439  Chlorogalum pomeridianum var. pomeridianum Paul Shields Jul 1955 Humboldt 6 mi. W of Myers Flat Comment
  UC1073189  Chlorogalum pomeridianum var. pomeridianum George B. Rossbach 1955-6-10 613 Humboldt route 101 two mi n Stephens Redwood Grove; south branch of Eel River Comment
  HSC100429  Chrysanthemum leucanthemum Carl C. Marshall Jun 1885 130 Humboldt Jarnigan's and mouth of Mad River. Comment
  UC1193062  Chrysolepis chrysophylla var. chrysophylla R. H. Neuns 1950-7-13 132 Humboldt 3 mi s Alder Point 548 Comment
  UC1196373  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1935-7-29 14348 Humboldt gap at head of Red Cap Creek connecting to Devil's Backbone (Trinity Summit); Trinity Summit 1524 Comment
  UC902027  Chrysolepis chrysophylla var. chrysophylla Joseph P. Tracy 1949-8-7 18434 Humboldt e side Hoopa Valley (near the Big Hill lookout station) 914 Comment
  UC562732  Cicendia quadrangularis Joseph P. Tracy 1935-5-25 13902 Humboldt Dobbyn Creek 152 Comment
  HSC56318  Circaea alpina subsp. pacifica Overton, Butler 1979-8-2 12657 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  UC35383  Circaea alpina subsp. pacifica Harley P. Chandler June, 1901 1404 Humboldt North Coast Ranges, Klamath R. 365 Comment
  RSA20788  Circaea alpina subsp. pacifica Carl B. Wolf 1937-8-13 9253 Humboldt North Coast Range, 11 miles E of Hoopa Valley on new road towards Trinity Summit. 1524 Comment
  UC162349  Circaea alpina subsp. pacifica Joseph P. Tracy 1911-7-5 3311 Humboldt near its mouth Willow Creek; Northern Coast Ranges, Willow Creek (tributary of Trinity R. 304 Comment
  UCSC000744  Cirsium arvense G. T. Nordstrom 1933-6-30 1443 Humboldt 1.6 miles W.S.W. of Orick Orick - Orick 46 Comment
  HSC40131  Cirsium arvense Thomas W. Nelson, James Nelson 1976-7-28 3082 Humboldt Between Alder Springs and road to Pine Mtn. 1524 Comment
  SD113203  Cirsium arvense Darley F. Howe 1959-8-4 2801 Humboldt 78.5 miles west of Weaverville on Highway 299. 609 Comment
  JEPS23566  Cirsium brevistylum Peter H. Raven, R. Snow 1958-7-20 13648 Humboldt 0.7 mi s U.S. Highway 299 (along Titlow Hill Road); Titlow Hill Road Comment
  CDA15024  Cirsium douglasii var. douglasii B. Villegas 1998-8-5 s.n. Humboldt North Coast Ranges; Nr. Berry Summit on Titlow Hill Rd, 4.8 mi. S of Hwy 299. Comment
  SEINET200852  Cirsium edule J. C. Fario Jr 1940-6-14 sn Humboldt Bear River Ridge 610 Comment
  UCD148530  Cirsium occidentale var. venustum B. Villegas 1998-8-5 s.n. Humboldt near Berry Summit on Titlow Hill Road, 3.9 miles south of Highway 229. Comment
  JEPS59211  Cirsium occidentale var. venustum Lincoln Constance 1934-5-29 724 Humboldt near jctn South Fork of Eel River (Upper look prairie); Bull Creek Region, South Fork of Eel River, Upper Look Prai 365 Comment
  SEINET11833992  Cirsium remotifolium J. P. Tracy 1949-1 18472 Humboldt Kinsey Ridge, S from Grouse Mt., 2 to 6 mi, E of headwaters of Redwood Creek 1280 Comment
  SEINET202627  Cirsium remotifolium Joseph P. Tracy 1949-8-11 18472 Humboldt East of headwaters of Redwood Creek beginning where the electric power line crosses and working south; Kinsey ridge s 1280 Comment
  JEPS30563  Cirsium remotifolium var. odontolepis Peter H. Raven, R. Snow 1958-7-21 13654 Humboldt 7.2 mi nw of Capetown (on road to Ferndale) Comment
  UC582537  Cirsium remotifolium var. rivulare Joseph P. Tracy 1934-7-6 13659 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC285769  Cirsium vulgare Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley Comment
  UC1222856  Clarkia amoena Joseph P. Tracy 1950-6-18 18846 Humboldt hills between ocean and Petrolia; Domingo Hill Comment
  RSA125035  Clarkia amoena subsp. amoena Peter H. Raven, R. Snow 1958-7-21 13656 Humboldt 7.2 miles NW of Capetown on road to Ferndale. Comment
  UC1198509  Clarkia concinna subsp. concinna Joseph P. Tracy 1934-7-9 13335 Humboldt ridge 5 mi s Harris 762 Comment
  UC594153  Clarkia gracilis subsp. gracilis S. K. Harris, J. P. Tracy 1936-6-10 3261 Humboldt near mouth South Fork Trinity River (hills w of river) 640 Comment
  RSA0060033  Clarkia gracilis subsp. sonomensis Harlan Lewis, M. Lewis 1947-6-13 423 Humboldt Highway 36 at South Fork of Van Duzen River (Bridge 4-119) Comment
  CAS-BOT-BC172516  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1937-6-22 4722 Humboldt Near Harris Comment
  UC35399  Clarkia purpurea subsp. quadrivulnera Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  UC58856  Clarkia purpurea subsp. quadrivulnera Harley P. Chandler June 1901 1471 A Humboldt Klamath River North Coast Ranges 304 Comment
  UC562526  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1936-6-10 14924 Humboldt mountain slopes w of mouth South Fork of Trinity River 457 Comment
  SEINET10492532  Clarkia rhomboidea Lincoln Constance 1934-6-15 Constance 880 Humboldt Summit of Grasshopper Peak, South Fork EeL River, Bull Creek Region. 3200 feet. 975 Comment
  HSC99419  Claytonia cordifolia K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 68 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  SEINET200315  Claytonia exigua subsp. exigua J. P. Tracy 1926-4-3 7396 Humboldt Kneeland Prairie local Comment
  HSC17708  Claytonia exigua subsp. glauca Elrid H. Spinas 1948-5-22 34 Humboldt Horse Mtn. Comment
  HSC17678  Claytonia perfoliata subsp. mexicana J. L. Baker 1965-4-13 47 Humboldt 4 mi. N of Arcata on N Bank Rd. Comment
  SEINET181192 Image available Claytonia perfoliata subsp. perfoliata Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15107 Humboldt Bolling Grove State Park. Comment
  HSC24337  Claytonia perfoliata subsp. perfoliata C. E. Fellows 1971-8-16 398 Humboldt Clam Beach, near end of Central Ave. Comment
  HSC32145  Claytonia rubra subsp. rubra D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5610 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  CHSC24940  Claytonia sibirica W. A. Vaccaro 1976-4-4 1 Humboldt Pop. ca. 300 yds. NE of intersection of Cedar St. and W. St., Cutten. 45 Comment
  CHSC67764  Claytonia sibirica Vernon H. Oswald 1997-2-12 8308 Humboldt Elk Head, N end of Trinidad State Beach. Locally abundant on moist, shaded floor of Sitka spruce- red alder woodland along trail leading to the bluffs at Elk Head. 30 Comment
  HSC69844  Claytonia sibirica R. Kalal 1980-5-5 48 Humboldt Fickel Hill Rd., 1 mi. E of 11th St., Arcata 183 Comment
  HSC99019  Claytonia sibirica C. Witte 2007-5-18 35 Humboldt Along National Forest 1. Approximately 1 mile north of intersection with 5N09. 1456 Comment
  UC672986  Claytonia sibirica Joseph P. Tracy 1930-7-16 8921 Humboldt McKay Camp; South Fork Mountain 1676 Comment
  HSC39182  Clinopodium douglasii D. E. Anderson, J. P. Smith 1971-6-28 - 1218 Humboldt Along Mad River, 2 mi. S of Blue Lake. Comment
  HSC95091  Clinopodium douglasii Andrea Pickart 2002-6-30 134 Humboldt Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 30 Comment
  BLMAR278  Clintonia andrewsiana Jennifer Anthony-Wheeler 1999-6-3 278 Humboldt Headwaters Forest Reserve less than 400 Comment
  HSC57697  Clintonia uniflora G. L. Clifton, Griswold 1979-7-25 10926 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC99448  Clintonia uniflora K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-7 98 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC3541  Clintonia uniflora Mrs. M. H. Manning 1901-1 Humboldt Trinity Summit Comment
  HSC75449  Collinsia grandiflora J. O. Sawyer 1980-7-18 3583 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC32318  Collinsia greenei D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5653 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  JEPS25057  Collinsia heterophylla Joseph P. Tracy 1927-5-8 7988 Humboldt Vicinity of Garberville 121 Comment
  UC582453  Collinsia linearis Joseph P. Tracy 1933-7-25 12836 Humboldt North Coast Ranges, Grouse Mountain Grouse Mountain; North Coast Ranges, Grouse Mountain 1524 Comment
  JEPS6178  Collinsia linearis Joseph P. Tracy 1933-7-25 12836 Humboldt Grouse Mtn; North Coast Ranges 1524 Comment
  RSA0117231  Collinsia rattanii Volney Rattan 1903-1 1878 Humboldt Humboldt. Comment
  JEPS13368  Collinsia sparsiflora var. sparsiflora H. E. Parks, J. P. Tracy 1930-5-25 792 Humboldt Laribee Valley 792 Comment
  HSC74308  Collomia grandiflora M. A. Baker 1980-7-23 3174 Humboldt Near Orleans Mtn. 1859 Comment
  HSC98863  Collomia grandiflora Cara Witte 2008-8-5 985 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1569 Comment
  RSA120682  Collomia heterophylla S. S. Tillett 1956-7-6 610 Humboldt S. slope along Bar Shanty Road, 5 mi. from Orleans. 488 Comment
  HSC99064  Collomia tracyi Cara Witte 2007-7-20 569 Humboldt Board Camp Mountain. Forest Serivce Road 4E27. Fork Camp. 1522 Comment
  CAS-BOT-BC157348  Comarum palustre Volney Rattan 1883-6-4 s.n. Humboldt 3 ms. from Eureka Comment
  HSC69531  Conium maculatum R. Kalal 1980-6-1 4 Humboldt 0.25 mi. N of Hwy. 299, at Essex turnoff 15 Comment
  HSC37959  Convolvulus arvensis Peter Sorensen 1976-6-12 Humboldt Woodley Island, Humboldt Bay Comment
  UC1123583  Convolvulus arvensis H. L. Person 1932-8-1 Humboldt Korbel Eureka Quadrangle Comment
  SEINET10474193  Conyza canadensis Mary Susan Taylor 1982-10-24 Taylor 5182 A Humboldt T5N R1W nw sec 15. Eureka quad. Samoa, under bridge, ca. 1 mi nw of Eureka. Sea level. Sandy soils. 0 Comment
  UC1196211  Coptis laciniata Joseph P. Tracy 1915-8-2 4663 Humboldt Northern Coast Ranges, Mouht of Lawrence Creek Lawrence Creek; Northern Coast Ranges, Lawrence Creek 152 Comment
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Jan 22 2014
  CHSC63435  Corallorhiza mertensiana Vernon H. Oswald 1994-6-29 6366 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 7.3 mi N of Titlow Hill Rd., 0.8 mi S of Brush Mtn Lookout Rd., S of Hwy. 299 and Willow Creek. 975 Comment
  HSC28082  Corallorhiza mertensiana J. D. Ackerman, A. Montalvo 1973-7-4 94 Humboldt Grogan Hole Rd, 18 mi. E of Hoopa Comment
  HSC99048  Corallorhiza mertensiana Cara Witte 2007-6-20 315 Humboldt National Forest 1. 1.5 miles south of Titlow Hill. 1439 Comment
  UC1046561  Corallorhiza mertensiana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3420 Humboldt 4700 ft ridge between Mad River and; Bald Mountain, Snow CamRedwood Creek Comment
  UC1196458  Corallorhiza mertensiana Joseph P. Tracy 1926-6-6 7580 Humboldt Hoopa Mountain Northern Coast Ranges (near summit on road from Hoopa to Bair's) 1066 Comment
  HSC16585  Corallorhiza striata D. E. Anderson 1965-5-15 3684 Humboldt About 7 mi. N of Hoopa on Bloody Camp Prairie Rd. Comment
  HSC37701  Corallorhiza striata A. Montalvo, J. D. Ackerman 1976-5-16 756 Humboldt 0.25 mi. E of State Hwy. 299 on Chezem Rd., W of Redwood Creek Valley Comment
  JEPS50770  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1967-8-13 9307 Humboldt in salicornia salt marsh w of Northwest Pacific Railroad tracks and 1/8 mi n of Arcata Redwood Company plant 4 mi n Eureka (w shore of Arcata Bay); Arcata Bay Comment
  POM312521  Cordylanthus maritimus subsp. palustris Malcolm A. Nobs, S. Galen Smith 1949-8-3 1200 Humboldt 2 miles north of Eureka, bordering Humboldt Bay. Comment
  UC1191855  Cordylanthus maritimus subsp. palustris Malcolm A. Nobs and S. Galen Smith 1949-8-3 1200 Humboldt ca 2 mi n Eureka (marshes bordering bay); Humboldt Bay Comment
  UC582559  Cordylanthus maritimus subsp. palustris Joseph P. Tracy 1933-8-22 12991 Humboldt mouth of Eel River (in salt marsh) 3 Comment
  HSC98916  Cordylanthus tenuis subsp. viscidus Cara Witte 2007-7-11 512 Humboldt National Forest 1. Approximately 1 mile south of intersection with 5N01. Near Spike Buck Mountain. 1591 Comment
  CAS-BOT-BC101144  Corethrogyne filaginifolia Joseph P. Tracy 1934-7-21 13474 Humboldt Near Samoa, on Humboldt Bay 6 Comment
  CAS-BOT-BC209752  Cornus glabrata Doris K. Kildale 1926-8-15 2535 Humboldt Hoopa Mountain 579 Comment
  CAS-BOT-BC212015  Cornus nuttallii Doris K. Kildale 1928-5-19 5152 Humboldt Chalk Mountain Comment
  RSA239689  Cornus nuttallii Larry E. DeBuhr 1973-4-23 982 Humboldt Richardson Grove Redwood State Park. Comment
  CAS-BOT-BC212185  Cornus sericea Carl B. Wolf 1937-8-13 9251 Humboldt 11 mi. E. of Hoopa Valley on new road towards Trinity Summit, North Coast Range 1524 Comment
  CAS-BOT-BC210538  Cornus sessilis Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  UC154068  Cornus sessilis Mrs. M. H. Manning 1902-1 Humboldt near Hupa Comment
  CAS-BOT-BC210540  Cornus sessilis L. R. Abrams 1918-6-17 7207 Humboldt Between Hoopa & Briars Resort on road to Korbel Comment
  RSA0019464  Cornus sessilis F. W. Peirson 1932-7-7 10262 Humboldt Willow Creek, a few miles above the town of that name. Comment
  RSA113712  Cornus stolonifera Joseph P. Tracy 1948-9-2 18201 Humboldt Trinity Summitt. In fir woods, head of Little Hors-Linto Creek. 1372 Comment
  BLMAR420  Cotula coronopifolia Jennifer Wheeler 2007-8-24 420 Humboldt South Spit, east side 9 Comment
  UC1199460  Crepis acuminata Joseph P. Tracy 1933-7-25 12826 Humboldt Horse Mountain 1432 Comment
  CAS-BOT-BC290589  Crepis capillaris David D. Keck; J. Clausen 1935-6-16 3397 Humboldt Orick Comment
  CAS-BOT-BC291492  Crepis capillaris Alice Eastwood 1923-8-16 12327 Humboldt Carlotta Comment
  RSA246937  Crepis capillaris R. F. Thorne, Percy C. Everett 1965-8-8 35236 Humboldt N. edge of Eureka, E. of Hwy. 101 5 Comment
  RSA95100  Crepis capillaris F. W. Peirson 1923-7-11 3936 Humboldt flats N of Eureka. Comment
  SEINET2145774 Image available Crepis pleurocarpa Unknown 1933-7-25 12826 Humboldt Horse Mountain 1430 Comment
  UCD130981  Crepis setosa Joseph P. Tracy 1948-9-20 18215 Humboldt Hoopa Valley. 106 Comment
  UCD130982  Crepis setosa Joseph P. Tracy 1947-7-13 17769 Humboldt Hors-Linto Creek. 152 Comment
  UC76597  Crocidium multicaule Mrs. M. H. Manning 1900-1-1 Humboldt near Hupa Comment
  UCD138689  Crocosmia X crocosmiiflora T. C. Fuller 1968-7-30 17446 Humboldt northwest corner of overpass of Hwy 101 freeway to Garberville, 1 mile south of Fields Landing. 1524 Comment
  CHSC10140  Cryptantha leiocarpa J. W. Johnson 1962-4-10 1237 Humboldt Arcata. West slope of Ridge 3 behind the foredunes. Christenson Farm, Samoa Penisula. Comment
  UCD119870  Cryptantha leiocarpa Linda M. Barker 1976-4-30 1419 Humboldt Lanphere-Christensen Dunes, 3 miles west of Arcata. Comment
  POM126498  Cryptantha leiocarpa Joseph P. Tracy 1906-5-13 2457 Humboldt Sand Dunes of Ocean Beach at Humboldt Bay. Comment
Read comments
Jan 23 2011
  UC1239664  Cryptantha leiocarpa Joseph P. Tracy 1904-7-4 2112 Humboldt Bucksport Northern Coast Region, Humboldt Bay Region 0 Comment
  UC525602  Cryptantha milobakeri Joseph P. Tracy 1927-5-15 8050 Humboldt w of Hoopa Valley; North Coast Ranges, Supply Creek 304 Comment
  UC54781  Cupressus lawsoniana Joseph Burtt Davy and Walter C. Blasdale 1899-5 5633 Humboldt Hoopa Mt. North Coast Ranges, Hoopa Mt. Comment
  UC906745  Cuscuta californica Joseph P. Tracy 1941-8-28 17047 Humboldt near Blake lookout; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC1197868  Cuscuta occidentalis Joseph P. Tracy 1949-8-4 18409 Humboldt Mud Springs Trinity Summit 1341 Comment
  HSC49805  Cuscuta pacifica var. pacifica R. York 1979-5-18 301 Humboldt Around Humboldt Bay Comment
  UC1409175  Cuscuta salina var. major Robert F. Thorne and P. Everett 1965-8-8 35280 Humboldt e of Hwy. 101 (n edge of Eureka); Eureka 3 Comment
  UC203976  Cuscuta suaveolens Joseph P. Tracy 1918-9-29 5113 Humboldt 8 mi above mouth of the South Fork of Eel River (Myers Ranch); Northern Coast Ranges, South Fork of Eel River 60 Comment
  UC1197870  Cuscuta subinclusa Joseph P. Tracy 1927-7-17 8287 Humboldt near Bug Creek (Ahlgren's, on Mad River); Mad River 457 Comment
  UC1222263  Cynoglossum grande Joseph P. Tracy 1949-6-20 18314 Humboldt 6 mi. s.e. Arcata (Fickle Hill); Fickle Hill 609 Comment
  UC177208  Cynoglossum grande Joseph P. Tracy 1913-6-20 4229 Humboldt opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  HSC74370  Cynoglossum occidentale M. A. Baker 1980-5-18 1289 Humboldt Near Black Mtn. 1006 Comment
  CAS-BOT-BC190378  Cynosurus echinatus J. W. Tilden 1946-6-21 s.n. Humboldt Bluff Creek. Comment
  CAS-BOT-BC190381  Cynosurus echinatus Kenneth Clark 1980-3-22 523 Humboldt Above Dead Man's Gulch. 137 Comment
  SBBG53060  Cynosurus echinatus R. N. Philbrick, J. R. Haller 1976-6-25 4 Humboldt Capetown-Ferndale Rd, NW of Cape Mendocino, ca. 4 mi NW of Bear River at Capetown 457 Comment
  UC1103244  Cynosurus echinatus Joseph P. Tracy 1950-6-21 18855 Humboldt Trinity River Valley at Willow Creek; Trinity River Valley at Willow Creek 152 Comment
  UC1145091  Cynosurus echinatus Joseph P. Tracy 1947-6-8 17708 Humboldt 5 mi e Carlotta (by old Strong's District School House); e of Carlotta 60 Comment
  UC213325  Cyperus bipartitus Joseph P. Tracy 1920-8-15 5366 Humboldt Klamath R. at mouth of Bluff Creek; Northern Coast Ranges, Klamath R. 152 Comment
  UCR3545  Cyperus eragrostis David Whistler, H. M. Whistler 1964-7-29 640729- 2 Humboldt North Coast Range, US 101, [South Fork Eel River] across the street from Myers Flat Store 63 Comment
  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-BC136508  Cypripedium montanum Doris K. Kildale 1929-5-26 9116 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  HSC9540  Dactylis glomerata E. W. Styskel 1964-4-12 64 Humboldt Corner of Center Street and Hwy. 101 in Rio Dell. Comment
  CAS-BOT-BC189738  Danthonia californica David D. Keck 1944-7-11 5493 Humboldt 3 miles northeast of Capetown. 152 Comment
  CAS-BOT-BC189740  Danthonia californica Joseph P. Tracy 1928-6-24 8463 Humboldt Northern Coast Ranges. Valley of South Yager Creek. 762 Comment
  UC70789  Danthonia californica Joseph Burtt Davy and Walter C. Blasdale 1899-6-19 5678 Humboldt Hoopa Mt. Comment
  RSA10086  Danthonia californica var. americana Joseph P. Tracy 1931-5-31 9548 Humboldt Kneeland Prairie 793 Comment
  UCD60698  Danthonia californica var. americana G. L. Stebbins Jr. 1942-6-3 3483 Humboldt Near Garberville, 1.4 miles on road to Harris. Comment
  UC1152019  Danthonia unispicata Joseph P. Tracy 1951-7-26 19593 Humboldt Redwwod Creek Board Camp Mountain (extreme head, n side of mt.) Comment
  HSC20252  Darmera peltata Jack Rockwell 1962-4-29 59 Humboldt E bank of Redwood Creek, near Hwy. 299 549 Comment
  HSC20253  Darmera peltata D. E. Anderson 1962-5-1 2199 Humboldt 1 mi. W of Hoopa Comment
  CHSC97961  Delphinium decorum subsp. tracyi Kaylea Eickhoff; Cara M. Witte 2005-6-15 12 Humboldt 14.1 miles south of Hwy. 299 on NF1, 0.25 miles NE of Grouse Mountain. Rocky serpentine outcrop. UTM 0444876, 4511301. 1400 Comment
  HSC90041  Delphinium decorum subsp. tracyi Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-27 60 Humboldt Titlow Rd. 0.5 mi. S of its intersection with Hwy. 299 854 Comment
  CAS-BOT-BC9031  Delphinium decorum subsp. tracyi Doris K. Kildale 1926-4-18 1773 Humboldt McCelellan Mountain 822 Comment
  CAS-BOT-BC10310  Delphinium hesperium Alice Eastwood; John Thomas Howell 1937-6-23 4854 Humboldt Mad River Canyon, between Kneeland and Korbel Comment
  CAS-BOT-BC10312  Delphinium hesperium Volney Rattan 1878-1-1 s.n. Humboldt Unspecified Comment
  CAS-BOT-BC10317  Delphinium hesperium Doris K. Kildale 1926-5-31 2079 Humboldt Cold Brook Camp between Kilipeville & lower Lake Comment
  UC1075562  Delphinium hesperium E. K. Balls and L. W. Lenz 1956-6-12 21665 Humboldt along US Hwy 299 9.1 mi ne Blue Lake (Arcata to Willow Creek) 487 Comment
  HSC100938  Delphinium nudicaule Miss Handy Jun 1886 341 Humboldt Maple Cr. Comment
  HSC25010  Delphinium nudicaule G. N. Bos 1965-5-15 270 Humboldt 2 mi. W of Berry Summit along U.S. 299. 701 Comment
  HSC35350  Delphinium trolliifolium A. M. Montalvo, J. D. Ackerman 1975-6-22 489 Humboldt 6.4 mi. W of Dinsmore on Hwy. 36 Comment
  UC637044  Deschampsia cespitosa subsp. beringensis Edward Lee 1934-8-17 1153 Humboldt 35 mi. n. Eureka (e. shore of Big Lagoon); Big Lagoon 3 Comment
Read comments
Sep 27 2007
  UCR32148  Deschampsia cespitosa subsp. beringensis David J. Keil 1983-7-2 17301 Humboldt Humboldt Bay salt marsh at Arcata Corporation Yard [600 G St.] Comment
  HSC93740  Deschampsia cespitosa subsp. holciformis Gordon Leppig 1998-7-19 983 Humboldt Big Lagoon County Park, Big Lagoon Bog 2 Comment
  UC1103220  Deschampsia danthonioides Joseph P. Tracy 1912-7-31 3896 Humboldt n.w. slope Buck Mt.; Northern Coast Ranges, Burr Valley, Buck Mt. 1066 Comment
  RSA183518  Deschampsia elongata D. E. Anderson 1965-9-5 4075 Humboldt Along Mad River, ca. 3 miles south of Blue Lake. Comment
  UC1196309  Dicentra formosa Joseph P. Tracy 1921-3-13 5422 Humboldt Alton; Northern Coast Region 30 Comment
  UC146101  Dicentra formosa J. P. Tracy 1903-8-4 1928 Humboldt immediate vicinity Eureka 0 Comment
  HSC12427  Dicentra formosa Gary J. Stebbins 1970-4-19 72 Humboldt Along road to Fieldbrook 2.8 mi. N of Hwy. 299 Comment
  CAS-BOT-BC402411  Dicentra formosa subsp. formosa Duart V. Brown 1947-3-29 19 Humboldt Tecwan Creek, Klamath River Comment
  UC1116210  Dicentra uniflora Joseph P. Tracy 1942-6-23 17253 Humboldt near Water-dog Lakes (Trinity Summit); Trinity Summit 1828 Comment
  UC35009  Dicentra uniflora J. Burtt Davy 1899-6-23 5816 Humboldt Trinity Summit summit; North Coast Ranges 2133 Comment
  JEPS64179  Dichelostemma capitatum Lincoln Constance 1934-6-19 914 Humboldt near Grasshopper Peak summit; South Fork Eel River, Bull Creek Region 914 Comment
  HSC32320  Dichelostemma capitatum subsp. capitatum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5654 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  HSC38087  Dichelostemma ida-maia Thomas W. Nelson, Jane P. Nelson 1976-5-30 2608 Humboldt McKeown Ranch, N of Dinsmore. Comment
  HSC3028  Dichelostemma ida-maia J. F. Knezevich 1967-6-1 169 Humboldt 5 mi. E of Willow Creek on Hwy. 299 Comment
  POM48082  Digitalis purpurea J. B. Feudge 1923-7-18 105 Humboldt Eureka. About Humboldt Bay. 6 Comment
  UC146198  Disporum hookeri Joseph P. Tracy 1908-6-9 2663 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UCR67631  Disporum smithii Michael A. Hanson 1990-5-21 70 Humboldt Arcata, 0.5 mi (0.8 km) east of Humboldt State University Life Science Building. 159 Comment
  SEINET4170370  Disporum smithii Unknown 1933-5-21 12209 Humboldt McClellan Mountain 671 Comment
  UCD64191  Distichlis spicata G. Douglas Barbe; T. C. Fuller 1974-6-17 1835 Humboldt Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  HSC17866  Dodecatheon hendersonii Francis Winter 1960-4-24 Humboldt Pine Ridge Summit, 3 mi. NE of Redwood Creek Ranch 854 Comment
  UC602553  Downingia elegans Joseph P. Tracy 1930-6-15 8739 Humboldt near Bosworth's; Northern Coast Ranges, Larrabee Creek 457 Comment
  HSC3845  Downingia elegans Doris K. Niles 1940-7-20 2 Humboldt Summit of Friday Ridge Rd., Grouse Mtn. 1829 Comment
  HSC44564  Drymocallis hansenii Brad Klipfel 1973-7-15 184 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  UC1198682  Drymocallis lactea var. austiniae Joseph P. Tracy 1913-6-17 4192 Humboldt near summit (Buck Mountain); Northern Coast Ranges, Buck Mountain 1524 Comment
  UC492179  Drymocallis lactea var. austiniae Joseph P. Tracy 1932-7-11 10406 Humboldt Corral Prairie Klamath Mountains, Trinity Summit 1524 Comment
  HSC44528  Drymocallis lactea var. lactea Brad Klipfel 1973-7-1 136 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC48406  Drymocallis lactea var. lactea Brad Klipfel 1973-6-10 107 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  HSC57995  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-7-31 11758 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  HSC58089  Drymocallis lactea var. lactea G. L. Clifton, Griswold 1979-8-1 11998 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1799 Comment
  CAS-BOT-BC70874  Dryopteris arguta Ira L. Wiggins 1932-6-18 5872 Humboldt mouth of Little River Comment
  UC668028  Dulichium arundinaceum Joseph P. Tracy 1938-9-25 16173 Humboldt Bald Mountain, at Lake Prairie Lake Prairie; Bald Mountain, Lake Prairie 1066 Comment
  SEINET5227018 Image available Dysphania botrys Unknown 2002-8-17 81 Humboldt On gravel bar in Eel River, 10 miles S of Garberville onHwy 101, at Benbow Drive. Comment
  CAS-BOT-BC113437  Eleocharis acicularis Henry M. Pollard 1945-8-28 s.n. Humboldt Near Orleans. Pond near Harley place. Comment
  RSA365462  Eleocharis acicularis var. acicularis Thomas W. Nelson, Jane P. Nelson 1977-6-19 3508 Humboldt Lassics: Pond above Alder Springs 1585 Comment
  JEPS64131  Eleocharis macrostachya W. L. Jepson 1921-8-7 9328 Humboldt Stone Lagoon Humboldt Coast Comment
  CHSC85061  Eleocharis pachycarpa L. P. Janeway 2003-7-28 7934 Humboldt North Coast. At east edge of Big Lagoon 0.8 km south of the mouth of Tom Creek. 3 Comment
  UC666879  Eleocharis pachycarpa Joseph P. Tracy 1935-6-8 13947 Humboldt Dry Lagoon (along coast in front of South End of Stone Lagoon) 3 Comment
  RSA53824  Eleocharis palustris Henry M. Pollard 1946-8-22 s.n. Humboldt Ullathorne Riffle, Klamath River, Orleans Region Comment
  HSC77865  Eleocharis parvula L. J. Heflin 1984-5-13 5 Humboldt Hauser Marsh Comment
  OBI37800  Elymus glaucus David J. Keil 1983-7-1 17280 Humboldt 2.5 mi NE of Honeydew along Bull Crk Flats rd Comment
  UC526797  Elymus glaucus Joseph P. Tracy 1925-7-5 7167 Humboldt High Prairie Northern Coast Ranges, Bald Mountain 1066 Comment
  POM295816  Elymus glaucus subsp. virescens Lyman Benson 1929-7-19 1856 Humboldt Dyerville to Matole River. Comment
  HSC9738  Elymus mollis subsp. mollis T. O. Preston 1963-5-6 21 Humboldt Sand dunes. Comment
  UC552764  Elymus multisetus H. E. Parks and Joseph P. Tracy 1934-6-27 11048 Humboldt Horse Mt. Northern Coast Ranges 1371 Comment
  UC1103291  Elymus trachycaulus A. H. Murphy 1949-7-22 Humboldt Bear River Ridge; at intersection of Monument Road 457 Comment
  UC184152  Elytrigia repens Joseph P. Tracy 1912-7-7 3743 Humboldt Eureka Northern Coast Region (edge of salt marsh) 0 Comment
  CHSC110737  Enemion stipitatum Dean Wm. Taylor 2011-5-4 21117 Humboldt Vicinity of Dinsmore; Forest Road 1N30 (Bick Mountain Road) about 0.5 miles SE from junction with Highway 36. 737 Comment
  HSC102918  Epilobium M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1078 Humboldt Patterson Meadows 1555 Comment
  UC198622  Epilobium brachycarpum Joseph P. Tracy 1917-9-3 4854 Humboldt Janes Ranch Northern Coast Ranges, Grouse Mt. (lower w slopes of mt.) 914 Comment
  HSC54703  Epilobium ciliatum Overton, Butler 1979-7-26 10026 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC169921  Epilobium ciliatum subsp. ciliatum Harley P. Chandler June, 1901 1530 Humboldt Klamath River North Coast Ranges 304 Comment
  HSC43272  Epilobium ciliatum subsp. ciliatum R. Sutherland 1976-8-6 16 .6876 Humboldt 223 Comment
  POM249603  Epilobium ciliatum subsp. ciliatum C. L. Hitchcock, J. P. Martin 1939-7-14 5441 Humboldt 7 miles east of Shelter Cove Comment
  UC1198494  Epilobium densiflorum Joseph P. Tracy 1942-6-15 17148 Humboldt along ditch in field Garberville 152 Comment
  UC668279  Epilobium densiflorum Joseph P. Tracy 1938-7-5 16003 Humboldt open flat by old Strong's District School House (5 mi e of Carlotta) 45 Comment
  HSC55113  Epilobium glaberrimum G. L. Clifton 1979-7-31 11868 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  HSC16369  Epilobium glaberrimum subsp. glaberrimum J. P. Tracy 1936-8-7 15102 Humboldt Trinity Summit, head of Little Hors-Linto Creek 1524 Comment
  HSC76622  Epilobium minutum Denis Kearns 1981-7-22 322 Humboldt Near Whiteys Peak. 1487 Comment
  HSC96280  Epilobium minutum Eric Schori, Kazuyuki Ishimaru 2005-6-15 13 Humboldt About 18 mi. S of Hwy. 299 1400 Comment
  CAS-BOT-BC171848  Epilobium septentrionale Carl D. Duncan 1920-9-22 s.n. Humboldt Hoopa Valley, Hoopa Indian Reservation Comment
  CHSC7104  Equisetum telmateia K. Cox 1969-4-1 6 Humboldt Patrick's Point St. Pk. At foot of Agate Beach trail. 1 Comment
  SEINET181172 Image available Equisetum telmateia Bassett Maguire, R Maguire; C. B. Maguire 1934-6-8 15055 Humboldt Bolling Grove State Park ; Bolling Grove State Park Comment
  HSC54581  Equisetum telmateia subsp. braunii Overton, Butler 1979-7-24 9625 Humboldt Near Titlow Hill, close to the town of Willow Cr. 1250 Comment
  HSC892  Equisetum telmateia subsp. braunii J. W. Johnson 1962-3-31 1420 Humboldt Arcata, along Lanphere lane Comment
  HSC99645  Equisetum telmateia subsp. braunii N. D. Dennis 1965-4-8 14 Humboldt Old Arcata Rd., 1 mi. S of Arcata Comment
  UC1187363  Equisetum telmateia subsp. braunii P. C. Hutchison 1961-3-3 885 Humboldt 1/2 ,i s Benbow (Hwy. 101, S. Fork Eel River) Comment
  SEINET10834153  Equisetum telmateia var. braunii Mary Susan Taylor 1977-8-5 Taylor 1430 Humboldt Abundant around bridge over Eel River, at the turnoff from Hwy 1 to Ferndale, in Fernbridge. 2 Comment
  RSA53832  Eragrostis hypnoides Henry M. Pollard 1945-9-5 s.n. Humboldt Wilson Creek, Klamath River Canyon Comment
  HSC9785  Eragrostis mexicana subsp. virescens J. P. Tracy 1931-9-7 9653 Humboldt Trinity River Valley, Willow Creek Comment
  UC1103227  Eragrostis pilosa var. pilosa Joseph P. Tracy 1920-8-15 5361 1/2 Humboldt Klamath River mouth of Bluff Creek (mouth of Bluff Creek); Northern Coast Ranges, , Bluff Creek 152 Comment
  CAS-BOT-BC291176  Erechtites glomeratus H. E. Parks; S. T. Parks 1937-7-1 24033 Humboldt Spruce Cove, Trinidad 60 Comment
  HSC5491  Erechtites glomeratus H. E. Parks, S. T. Parks Jul 1937 24033 Humboldt Trinidad; Spruce Cove 64 Comment
  POM126125  Ericameria arborescens subsp. arborescens Joseph P. Tracy 1924-8-24 6827 Humboldt Trinity River Valley, near Willow Creek 183 Comment
  CAS-BOT-BC287477  Ericameria greenei Doris K. Kildale 1925-8-17 1212 Humboldt Trinity Summit at Ranger Station 1828 Comment
  CAS-BOT-BC298298  Ericameria nauseosa var. speciosa Joseph P. Tracy 1929-8-18 8652 Humboldt Larrabee Valley 701 Comment
  UC34650  Ericameria nauseosa var. speciosa Chesnut and Drew 1888-8-2 Humboldt Grouse Creek Comment
  CAS-BOT-BC293489  Erigeron aliceae Joseph P. Tracy 1930-7-18 9035 Humboldt South Fork Mountain. Near McKay Camp 1676 Comment
  UC169349  Erigeron biolettii J. P. Tracy 1912-7-23 3797 Humboldt 3-5 miles above South Fork Eel River mouth (slopes of bluffs along); South Fork Eel River 30 Comment
  CAS-BOT-BC296110  Erigeron foliosus var. confinis Marcus E. Jones 1931-7-16 29149 Humboldt Junction east of Arcata Comment
  CAS-BOT-BC296118  Erigeron foliosus var. confinis Doris K. Kildale 1929-5-26 9141 a Humboldt Klamath River at Orleans 152 Comment
  UC468818  Erigeron foliosus var. confinis Joseph Burtt Davy and Walter C. Blasdale 1899-6-26 5886 Humboldt Francis Range Comment
  CAS-BOT-BC300676  Erigeron foliosus var. mendocinus Joseph P. Tracy 1930-7-4 8829 Humboldt Bull Creek to Mattole Road, near the summit of ridge 762 Comment
  BLMAR118  Erigeron glaucus Jennifer Anthony-Wheeler 1995-4-4 118 Humboldt King range, growing on beach dunes S of 1st arch fence exclosure 6 Comment
  CAS-BOT-BC308848  Erigeron glaucus Doris K. Kildale 1926-5-15 1975 Humboldt Fleener Creek Comment
  UC205158  Erigeron klamathensis Joseph P. Tracy 1919-9-25 5299 Humboldt Trinity Summit Northern Coast Ranges, Trinity Summit 1828 Comment
  RSA0010343  Erigeron klamathensis Joseph P. Tracy 1937-7-24 15515 Humboldt Trinity Summit, 2 miles SE of Devil's Hole. 1585 Comment
  UC175167  Erigeron maniopotamicus Joseph P. Tracy 1908-6 2750 Humboldt nw slope Buck Mountain 762 Comment
  UCSB15446  Erigeron philadelphicus Breedlove, Dennis 1961-7-3 Humboldt Along Eel River, 7.4 miles north of Phillipsville 243 Comment
  UCD20386  Erigeron philadelphicus K. Esau 1934-5-6 s.n. Humboldt Fort Seward. Comment
  UC31516  Erigeron philadelphicus var. philadelphicus Hy Melde 1896-2-21 Humboldt Eureka Comment
  UC162720  Eriodictyon californicum Joseph P. Tracy 1911-7-6 3360 Humboldt along road between Three Creeks and mouth of Willow Creek; Northern Coast Ranges, btw Three Creeks and Willow Creek 762 Comment
  HSC99535  Eriogonum compositum K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 200 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1829 Comment
  HSC32329  Eriogonum compositum var. compositum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5670 Humboldt Senteney Rock, a large barren Franciscan Rock along Swayback Ridge. Comment
  CAS-BOT-BC259148  Eriogonum latifolium Marcus E. Jones 1931-7-12 28806 Humboldt Alton Comment
  CDA18250  Eriogonum latifolium G. D. Barbe, T. C. Fuller 1974-6-19 1876 Humboldt North Coast Ranges; Mad River mouth, beach S of river, at end of Iversen Lane, Tyee City. 7 Comment
  SBBG64031  Eriogonum latifolium H. E. Parks -Aug-1941 24198 Humboldt Little River Comment
  RSA273152  Eriogonum latifolium Glenn A. Gorelick 1967-6-11 s.n. Humboldt Samoa sand dunes, near Arcata Comment
  UC14097  Eriogonum luteolum var. luteolum Chesnut and Drew 1888-7-23 Humboldt Hyampon Comment
  UC479200  Eriogonum luteolum var. luteolum Marcus E. Jones, A. M. 1931-7-16 28862 Humboldt Junction e Arcata Comment
  CAS-BOT-BC259536  Eriogonum luteolum var. luteolum Milo S. Baker 1927-8-14 2435 a Humboldt Near Summit of ridge West of Bull Creek Comment
  UC162628  Eriogonum nudum var. nudum Joseph P. Tracy 1911-7-4 3294 Humboldt along Willow Creek, near its mouth N. Coast Ranges, Willow Creek (Tributary of Trinity River) 243 Comment
  JEPS56604  Eriogonum nudum var. oblongifolium W. L. Jepson 1932-8-8 16484 Humboldt Grasshopper Peak, Canoe Creek 1066 Comment
  UC479118  Eriogonum nudum var. oblongifolium Marcus E. Jones, A. M. 1931-7-12 28806 Humboldt Alton Comment
  JEPS85496  Eriogonum nudum var. oblongifolium L. R. Heckard with T. I. Chuang 1968-7-4 1981 Humboldt 9 mi s on Yager road Kneeland Comment
  HSC17370  Eriogonum umbellatum var. goodmanii J. Wendell Howe 1934-7-21 1314 Humboldt Horse Mtn., Cold Springs Comment
  HSC98923  Eriogonum umbellatum var. goodmanii Cara Witte 2007-7-3 404 Humboldt Along National Forest 1 on Kinsey Ridge. 1299 Comment
  HSC43084  Eriogonum umbellatum var. nelsoniorum Brad Klipfel 1973-8-3 300 Humboldt N Trinity Mtn. 1860 Comment
  SEINET10919209 Image available Eriogonum umbellatum var. nelsoniorum James L. Reveal 2001-7-18 Reveal 8345 Humboldt Along U.S. Forest Service Road 1 at south end of Whiting Ridge, about 0.5 air miles west-northwest of High Salt Ground and 9.3 air miles west of Hyampom, on serpentine outcrops in an open grassland. T.3N, R5W, sec. 20 NW1/4 of the SE1/4. 1295 Comment
  HSC74215  Eriogonum umbellatum var. polyanthum M. A. Baker 1980-7-15 2969 Humboldt Near Whiting Ridge. 1341 Comment
  HSC55026  Eriogonum umbellatum var. stellatum Overton, Butler 1979-7-31 11448 Humboldt Near Water Dog Lakes, close to the town of Hoopa 1830 Comment
  HSC55126  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-8-1 11930 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1692 Comment
  SEINET3841343 Image available Eriogonum umbellatum var. stellatum Joseph P. Tracy 1935-7-28 14329 Humboldt Trinity Summit, Head of Devil's Hole 1829 Comment
  CAS-BOT-BC262322  Eriogonum vimineum F. D. Douthitt 1916-10-1 40 Humboldt Burned area - Snow Mt. Allotment Comment
  HSC58062  Eriophorum crinigerum G. L. Clifton, Griswold 1979-8-1 11939 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1692 Comment
  HSC73935  Eriophyllum lanatum Gail Newton 1980-6-28 680 Humboldt Near Mad River Butte. 1536 Comment
  UC302292  Eriophyllum lanatum var. arachnoideum Joseph P. Tracy 1926-6-18 7607 Humboldt Humboldt Hill Northern Coast Region, around Humboldt Bay, Humboldt Hill 152 Comment
  RSA21076  Eriophyllum lanatum var. integrifolium C. B. Wolf 1937-8-13 9236 Humboldt North coast range, 8 mi. east of Hoopa Valley on new road towards Trinity summit. 1220 Comment
  HSC35608  Eriophyllum lanatum var. lanceolatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2020 Humboldt French Camp, Bald Hills Comment
  UC1199144  Eriophyllum lanatum var. lanceolatum Joseph P. Tracy 1939-4-29 16250 Humboldt near mouth of Slate Creek; Klamath River 121 Comment
  HSC97471  Erodium cicutarium C. Witte 2007-5-10 20 Humboldt Along National Forest 1 on Kinsey Ridge. Approximately 2 miles southeast of intersection with 5N04. Near cattleguard. 1368 Comment
  UC1198964  Erodium moschatum Joseph P. Tracy 1918-4-21 4885 Humboldt Eureka Northern Coast Ranges 0 Comment
  SEINET10970607  Erysimum capitatum Jones 1985-6-6 Jones 115 Humboldt T34n,r4e,sec.14. Titlow rd. Ca 8 miles s off hwy. Pinus, arbutus, quercus Chrysolepis, quercus vaccinifolia habitat. Growing on rock wall 1143 Comment
  HSC96277  Erysimum capitatum var. capitatum Jennifer Lumbert, James Robinson 2005-6-15 13 Humboldt NE of Grouse Mtn., below road 1327 Comment
  BLMAR129  Erysimum concinnum Jennifer Anthony-Wheeler 1996-4-4 129 Humboldt King range, growing on cliff faces at entrance 4mi creek & cliff faces facing ocean 12 Comment
  CAS-BOT-BC54919  Erysimum menziesii Joseph P. Tracy 1904-4-24 2031 Humboldt Ocean Beach at Humboldt Bay. Comment
  CHSC93444  Erysimum menziesii Vernon H. Oswald 2000-4-3 9911 Humboldt Near the junction of New Navy Base Rd. and the road to Fairhaven on the North spit of Humboldt Bay. 9 Comment
  SJSU2542  Erythranthe dentata H. L. Buckalew 1962-6-26 Humboldt Prairie Cr Redwoods State Park Comment
  HSC100556  Erythronium Carl C. Marshall May 1887 Humboldt No data. Comment
  HSC70931  Erythronium californicum R. York 1980-5-18 558 Humboldt Near Black Mtn. 1006 Comment
  HSC71223  Erythronium californicum Thomas W. Nelson 1977-4-20 3331 Humboldt Along USFS Road 1N15 at summit 915 Comment
  SDSU19195  Erythronium californicum Michael G. Simpson, Michael Mesler and Michael Mayer 2008-5-27 3005 Humboldt Six Rivers National Forest. Adjacent to Titlow Hill Road, ca. 4.6 miles south of junction with Hwy 299 (at Berry Summit), southeast of intersection with dirt road to Horse Mtn. Ca. 0.6 mile south of Horse Mtn. Radio Tower. 1437 Comment
  UC1197639  Erythronium californicum Ethel Tracy 1906-4-15 Humboldt Harris Northern Coast Ranges 762 Comment
  CAS-BOT-BC504305  Erythronium californicum Volney Rattan 1882-6-1 s.n. Humboldt Unspecified Comment
  HSC15488  Erythronium citrinum var. citrinum E. C. Murczek 1964-4-4 29 Humboldt 8 mi. N of Hoopa Comment
  SEINET3992480  Erythronium grandiflorum var. pallidum Unknown 1933-7-16 12774 Humboldt South Fork Mountain, near McKay Camp 1676 Comment
  HSC44870  Erythronium oregonum subsp. leucandrum J. P. Smith, J. O. Sawyer 1973-5-12 6695 Humboldt 6.1 mi. from Redwood Creek on Hoopa Rd. Comment
  HSC85455  Erythronium oregonum subsp. leucandrum Andrew Buchanan, et al. 1986-4-19 18 Humboldt Horse Mtn. junction with Titlow Hill Ski Area access rd., E slope of the hill at edge of pine forest Comment
  RSA367654  Erythronium revolutum Thomas W. Nelson 1976-4-3 2283 Humboldt Hwy 36 at east end of Swains Flat. Comment
  UC1134597  Erythronium revolutum R. Stahelin 1933-5-17 Humboldt Kneeland Prairie China Flat Quadrangle Comment
  HSC16760  Eschscholzia californica Jack Rockwell 1962-4-29 37 Humboldt N bank of Van Duzen River, E of Hwy. 101 9 Comment
  HSC16769  Eschscholzia californica T. W. Beck 1963-4-27 38 Humboldt Humboldt Meridian, Camp Bauer, Korbel Comment
  OBI69924  Eucalyptus globulus Jenn Yost, Matt Ritter 2008-4-1 40 Humboldt 36W 6.5 mi east of 101, in a drive way with 1 juvenile Comment
  UC1222990  Eucephalus tomentellus Joseph P. Tracy 1941-8-24 17043 Humboldt near, (openings in fir forest) McKay Camp; South Fork Mountain 1676 Comment
  UC562614  Euchiton gymnocephalus Joseph P. Tracy 1936-5-29 14829 Humboldt 2 mi ne Orick (on Bald Hills road) 152 Comment
  UC1199346  Euchiton gymnocephalus Joseph P. Tracy 1927-8-28 8358 Humboldt near Boynton Prairie 609 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
  JEPS20476  Euchiton sphaericus Joseph P. Tracy 1936-8-24 15176 Humboldt 6 mi se Arcata; Fickle Hill 609 Comment
  UC1199357  Euchiton sphaericus Joseph P. Tracy 1938-6-20 15974 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  HSC69641  Euphorbia peplus R. Kalal 1980-6-8 18 Humboldt Arcata, at intersection of Hill St. and Spring St. in the dry waste area of a yard. 43 Comment
  HSC34947  Euphorbia peplus Dryden 1975-4-20 124 Humboldt Yard 0 Comment
  HSC7993  Euphorbia peplus W. F. Nickel 1965-4-22 Humboldt H.S.U. campus on W side of Biological Science building Comment
  UC198735  Euphorbia spathulata Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  JEPS52428  Euphorbia spathulata Joseph P. Tracy 1926-5-9 7455 Humboldt near Bridgeville; Northern Coast Ranges 762 Comment
  UC202856  Euthamia occidentalis Chesnut and Drew 1888-7-21 Humboldt South Fork Mt. Comment
  CAS-BOT-BC310682  Euthamia occidentalis S. K. Harris; Charlotte Wilder 1938-9-7 s.n. Humboldt Bars of the Van Dusen River, above Blue Slide Comment
  UCD98910  Fallopia sachalinensis H. E. Parks; S. T. Parks 1941-8-1 s.n. Humboldt Along highway and Orick 50 miles south. Mouth of Elk River, Humboldt Bay, near sea level. Comment
  RSA273307  Festuca californica var. californica Thomas W. Nelson, Jane P. Nelson 1976-6-16 2740 Humboldt West of Alder Springs along 2S07. 1524 Comment
  CAS-BOT-BC282501  Festuca elmeri H. S. Yates 1936-6-17 5690 Humboldt South Fork Peak, lower N.W. slope of Buck Mtn. 792 Comment
  UC525641  Festuca elmeri Joseph P. Tracy 1927-5-8 7962 Humboldt facing South Fork of Eel River; Northern Coast Ranges, Phillipsville 121 Comment
  CAS-BOT-BC278421  Festuca idahoensis Joseph P. Tracy 1930-7-10 8867 Humboldt Northern Coast Ranges. Brannan Mountain 1219 Comment
  POM112463  Festuca idahoensis H. P. Chandler 1901-06 1366 Humboldt Hupa Indian Reservation. 152 Comment
  POM126172  Festuca subuliflora Joseph P. Tracy 1900-5-22 801 Humboldt Immediate vicinity of Eureka. 0 Comment
  SEINET11826851  Filago gallica J. P. Tracy 1948-1 18038 Humboldt halfway between Bridgeville & Blacksburg, along Larrabee Creek Comment
  SEINET200725  Filago gallica J. P. Tracy 1914-5-14 4467 Humboldt Fort Seward 122 Comment
  UC249608  Foeniculum vulgare Joseph P. Tracy 1922-8 6104 Humboldt Alton Northern Coast Region, Alton 30 Comment
  RSA183617  Fragaria californica D. E. Anderson 1965-5-1 3558 Humboldt Along Hwy. 96, 1.9 mi. N of Willow Creek. Comment
  CHSC32839  Fragaria chiloensis Lora Anderson 1981-4-26 7 Humboldt Ca. 5 m n on Clam Beach Rd. 0.5 km e of Hwy. 101. 9.5 mi n of Arcata, along roadsides. 0 Comment
  HSC31646  Fragaria vesca Timothy B. Devine 1974-5-4 315 Humboldt Junction of Hwy. 299 and Titlow Hill Rd., E facing slope 875 Comment
  HSC49077  Fragaria vesca J. O. Sawyer 1977-4-23 2845 Humboldt Dagsaw Spring on road to Onion Mtn. Comment
  HSC70357  Fragaria vesca M. A. Baker 1980-6-7 1866 Humboldt Near Ammon Creek 732 Comment
  HSC45262  Fragaria virginiana M. Alcasas 1978-6-3 120 Humboldt Titlow Hill Rd. 0.8 mi. from Hwy. 299 1113 Comment
  HSC18394  Frangula californica P. W. Shields May 1955 Humboldt 2 mi N of Willow Creek Comment
  SD22835  Frangula californica subsp. californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter Cove 60 Comment
  CAS-BOT-BC59962  Frangula purshiana W. R. Dudley 1899-1-1 s.n. Humboldt Arcata. Comment
  HSC18422  Frangula purshiana subsp. purshiana R. T. Haase 1965-4-26 11 Humboldt Comment
  POM130724  Frasera albicaulis var. nitida H. P. Chandler 1901-06 1486 Humboldt Klamath River. Comment
  UC562744  Fraxinus latifolia Joseph P. Tracy 1928-4-8 8410 Humboldt Carlotta Northern Coast Ranges 60 Comment
  UC1197625  Fritillaria affinis Joseph P. Tracy 1933-6-13 12575 Humboldt Hoopa Mountain, near summit on road from Hoopa westward to Bair's Hoopa Mountain 1066 Comment
  UC176687  Fritillaria affinis Joseph P. Tracy 1913-6-17 4179 Humboldt Buck Mountain, near the summit Buck Mountain; Northern Coast Ranges, Buck Mountain 1676 Comment
  HSC15544  Fritillaria affinis W. D. Stevens 1964-3-18 12 Humboldt 1.0 mi. S of Trinidad on Old Hwy. 101 Comment
  UC175284  Fritillaria affinis Joseph P. Tracy 1913-6-20 4228 Humboldt nw slope of Buck Mountain Buck Mountain; Northern Coast Ranges, Buck Mountain 762 Comment
  UC179931  Fritillaria affinis Joseph P. Tracy 1914-5-3 4419 Humboldt Northern Coast Region, at Eureka Eureka; Northern Coast Region, Eureka 0 Comment
  UC672864  Fritillaria affinis Joseph P. Tracy 1940-5-17 16549 Humboldt McClellan Mountain 762 Comment
  UC1197629  Fritillaria purdyi Joseph P. Tracy 1926-5-15 7488 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  HSC16383  Fuchsia magellanica N. D. Dennis 1965-5-5 48 Humboldt 2 mi. N of Trinidad, 1 mi. E of College Cove Comment
  HSC79374  Galium aparine Kenneth Clark 1980-3-27 551 Humboldt Above S Fork of Dead Man's Gulch 183 Comment
  HSC70395  Galium bolanderi M. A. Baker 1980-6-7 1846 Humboldt Near Ammon Creek 732 Comment
  HSC49978  Galium bolanderi M. A. Baker 1979-6-7 783 Humboldt N bank of road to Snow Mtn. 610 Comment
  UC1196093  Galium boreale subsp. septentrionale Joseph P. Tracy 1924-8-31 6839 Humboldt river at mouth of Bluff Creek; Klamath River 91 Comment
  HSC37909  Galium divaricatum Peter Sorensen 1976-6-19 Humboldt Woodley Island Comment
  CDA6673  Galium divaricatum T. C. Fuller 1958-6-17 603 -58 Humboldt Wildcat Ridge near Bunker Hill. 0 Comment
  HSC38079  Galium muricatum Thomas W. Nelson, James Nelson 1976-5-30 2628 Humboldt McKeown Ranch, N of Dinsmore. Comment
  JEPS21476  Galium muricatum Francia Chisaki and Gene B. Newcomb 1958-6-23 1164 Humboldt on road to Shelter Cove 4 mi e of its junction with road to Ettersburg; on road to Shelter Cove 579 Comment
  UC1225913  Galium muricatum Joseph P. Tracy 1942-7-1 17359 A Humboldt opposite Buck Mountain (along river); Van Duzen River, Dinsmore's 762 Comment
  UC602541  Galium parisiense Joseph P. Tracy 1913-6-10 4083 Humboldt below Bridgeville (on river); Northern Coast Ranges, Van Duzen River, Rogers Ranch 152 Comment
  BLMAR418  Galium trifidum subsp. columbianum Jennifer Wheeler August, 2007 418 Humboldt South Spit, growing on East side near bay 9 Comment
  HSC81937  Galium triflorum Thomas W. Nelson, Jane P. Nelson 1979-7-3 4956 Humboldt Along road to Joe Losey property at junction of Kneeland and Maple Creek Rds. 610 Comment
  UC1196079  Galium triflorum Joseph P. Tracy 1930-7-16 8925 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC46966  Gamochaeta ustulata J. P. Smith, Thomas W. Nelson 1977-6-30 9213 Humboldt Samoa Peninsula just E of the drag strip. Comment
  UC1118539  Gamochaeta ustulata H. L. Person 1932-7-16 33 Humboldt Highway n Trinidad; Rock Point Quadrangle Comment
  UCD132373  Gamochaeta ustulata Linda M. Barker 1976-7-5 1539 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC72801  Garrya buxifolia Gail Newton 1980-6-17 212 Humboldt Near Onion Mtn. 1341 Comment
  UC1196889  Garrya buxifolia Joseph P. Tracy 1938-6-13 15906 Humboldt Horse Mountain 1402 Comment
  CAS-BOT-BC188532  Garrya elliptica Doris K. Kildale 1926-9-12 2668 Humboldt Klamath River near Requa on trail between ferry and bridge Comment
  CAS-BOT-BC188542  Garrya elliptica Doris K. Kildale 1929-3-19 7027 Humboldt 7 miles from Essex -- top of Liscom Hill Comment
  CHSC19502  Garrya elliptica Gene S. Van Horn 1963-1-5 35 Humboldt On W. M. Lanphere's ranch 9 Comment
  HSC33744  Garrya elliptica J. M. Sauser 1975-5-24 73 Humboldt Samoa dunes off Samoa Blvd. from boat landing Comment
  HSC39952  Garrya elliptica Linda M. Barker 1976-1-24 1310 Humboldt 3 mi. W of Arcata Comment
  HSC90216  Garrya elliptica Louise Watson, Jan Meninga Feb 1991 4 Humboldt Mad Rive Slough and Dunes, Cooperative Management area, 1/3mi from parking lot W of trail Comment
  POM160821  Garrya elliptica Joseph P. Tracy 1925-8-14 7231 Humboldt Near Samoa, on Humboldt Bay. 6 Comment
  UC183578  Garrya elliptica Joseph P. Tracy 1913-3-2 4011 Humboldt Eureka; Northern Coast Region 0 Comment
  CAS-BOT-BC182172  Garrya fremontii Doris K. Kildale 1927-2-20 2957 Humboldt McDowell Buttes near Kneeland 914 Comment
  OBI14161  Garrya fremontii Joseph P. Tracy 1939-1-14 16184 a Humboldt Trinity River Valley, at Willow crk Comment
  UCSB72518  Garrya fremontii Moseley, Maynard 1952-8-21 Humboldt Along western valley wall of Willow Creek, mostly within Hoppe Indian Reservation, upstream from Willow Village Comment
  SEINET200308  Gastridium phleoides J. P. Tracy 1912-7-26 3824 Humboldt Kneeland Prairie 762 Comment
  CAS-BOT-BC282614  Gastridium phleoides Harley P. Chandler 1901-6-1 1506 Humboldt Klamath River 426 Comment
  JEPS66600  Gaultheria ovatifolia Joseph P. Tracy 1926-6-27 7670 Humboldt Horse Mountain; Northern Coast Ranges, Horse Mountain 1463 Comment
  CHSC19736  Gaultheria shallon Gary J. Stebbins 1970-2-2 4 Humboldt Along U.S. 101 across from Patricks Point State Park. 38 Comment
  HSC22506  Gaultheria shallon R. E. Hafenfeld 1965-5-9 4 Humboldt Jct. of County Rd. and Gold Bluff Beach Rd. 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
  HSC7806  Gaultheria shallon A. E. Inman 1962-5-25 Humboldt Mad River, Lindsay Creek jct., N bank Comment
  HSC89436  Gaultheria shallon P. A. Daly 1984-5-13 25 Humboldt Along trail/Rd. at Trinidad Head. 61 Comment
  RSA249502  Gaultheria shallon R. F. Thorne, Percy C. Everett, K. Thorne 1965-8-5 35131 Humboldt Wailaki Recreation site. 518 Comment
  UC21946  Gaultheria shallon unknown 1894-8-6 Humboldt Eureka Comment
  HSC39619  Gayophytum diffusum subsp. parviflorum Thomas W. Nelson, Jane P. Nelson 1976-6-15 2722 Humboldt Along old trail from lookout to Blocksburg 1585 Comment
  HSC74175  Gayophytum diffusum subsp. parviflorum M. A. Baker 1980-7-23 3157 Humboldt Near Orleans Mtn. 1859 Comment
  POM214928  Gayophytum heterozygum Joseph P. Tracy 1932-7-12 10456 Humboldt Klamath Mountains, Trinity Summit, Head of Brett Hole 1829 Comment
  UC1196959  Gayophytum humile Joseph P. Tracy 1926-6-27 7686 Humboldt Horse Mountain Northern Coast Ranges 1524 Comment
  RSA782434  Genista monspessulana R. W. Spjut, Paul Burchstead 2008-6-14 16348 Humboldt North Coast Ranges. West side of Hwy. 101 between Piercy and Willits 259 Comment
  UCD105734  Genista monspessulana R. Raynor 1936-3-21 s.n. Humboldt Fort Seward. Comment
  RSA256968  Gentiana oregana Gary D. Wallace 1975-8-22 1487 Humboldt Northwest of Trinidad, on level area back from bluff edge Megwil Point, Elk Head. Comment
  HSC57988  Gentiana plurisetosa G. L. Clifton, Griswold 1979-7-31 11730 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1805 Comment
  JEPS76805  Gentiana plurisetosa Theodore F. Niehaus 1972-8-29 935 Humboldt 0.25 to 0.50 e on right side (s) Trinity Summit Station old horse trail (directly e from crossing of new forest road at Crogan Creek, a tributary of upper Tish-Tang a Tang Creek); Salmon Mts. 1706 Comment
  HSC41183  Gentiana sceptrum Robert M. Specht 1976-10-6 546 Humboldt S shore of Big Lagoon on E side of Hwy. 101 Comment
  RSA245252  Gentiana sceptrum David K. Smith 1968-10-26 30 Humboldt At Big Lagoon County Park, southwest corner of Big Lagoon. Comment
  UC195434  Geranium dissectum Joseph P. Tracy 1915-6-27 4656 Humboldt Carlotta 60 Comment
  HSC8655  Geranium molle Francis Winter 1960-4-30 Humboldt Samoa Peninsula, 6 mi. W of Arcata. Comment
  HSC102014  Geum macrophyllum M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 915 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  POM127015  Gilia capitata P. E. Goddard 1907-6-5 116 Humboldt Van Duzen Comment
  CAS-BOT-BC226146  Gilia capitata subsp. pacifica J. P. Tracy; H. E. Parks 1930-5-25 0793 Humboldt Near Bridgeville Comment
  HSC36617  Gilia capitata subsp. pacifica J. D. Ackerman 1974-5-25 266 Humboldt 0.25 mi. S of Lufenholtz Beach between Moonstone and Trinidad 6 Comment
  UC133647  Gilia capitata subsp. pacifica Joseph P. Tracy 1908-8-1 3068 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC604650  Gilia capitata subsp. pacifica Joseph P. Tracy 1938-6-17 15962 Humboldt s of point Cape Mendocino (near ocean shore); s of point of Cape Mendocino 3 Comment
  HSC104345  Gilia capitata subsp. pacifica James Regan, Humboldt Redwood Co., LLC 2004-6-3 4 Humboldt Kneeland, near Kneeland Airport 854 Comment
  CAS-BOT-BC225473  Gilia millefoliata D. E. Breedlove 1962-6-7 3041 Humboldt 1.5 miles south of Samoa on peninsula on western side of Humboldt Bay Comment
  HSC34464  Gilia millefoliata J. P. Smith 1975-5-11 8077 Humboldt Samoa Peninsula, just N of The Coast Guard Station boundary. Comment
  UC908974  Gilia millefoliata Joseph P. Tracy 1936-5-30 14833 Humboldt near Samoa (sand dunes, on Humboldt Bay); Northern Coast Region, on Humboldt Bay, nr Samoa 6 Comment
  UC1197913  Gilia tricolor subsp. diffusa Joseph P. Tracy 1914-5-14 4465 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  HSC14201  Glechoma hederacea D. W. Snell 1964-4-25 55 Humboldt Mad River bottom, 3 mi. N of Blue Lake Comment
  JEPS158  Glehnia littoralis subsp. leiocarpa unknown 1925-7-29 109 Humboldt Samoa Comment
  SJSU2516  Glehnia littoralis subsp. leiocarpa H. L. Buckalew 1962-6-18 Humboldt Gold Beach at ocean near Prairie Cr Redwoods State Park Comment
  HSC75278  Glyceria elata J. O. Sawyer, D. A. Thornburgh 1980-9-9 4077 Humboldt Mill Creek Lake and surrounding meadows Comment
  SEINET200357 Image available Glyceria elata J. P. Tracy 1934-7-18 13429 Humboldt Grouse Mountain 1524 Comment
  SEINET201843 Image available Glyceria elata H. K. Sharsmith, F Chisaki 1959-8-22 4756 Humboldt Happy Camp just over Trinity County line 914 Comment
  UC1199353  Gnaphalium palustre Joseph P. Tracy 1918-7-2 4985 Humboldt upper Mattole Valley; Northern Coast Ranges, Mattole Valley 152 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
  JEPS4221  Gratiola ebracteata J. P. Tracy 1908-6-7 2618 Humboldt Butler Valley , Butler Valley (Mad River) 152 Comment
  CAS-BOT-BC304734  Grindelia hirsutula H. E. Parks; S. T. Parks 1930-9-14 0773 Humboldt North shore of Big Lagoon Comment
  CAS-BOT-BC304744  Grindelia hirsutula Marcus E. Jones 1931-7-16 29143 Humboldt Arcata Comment
  CAS-BOT-BC304751  Grindelia hirsutula Edward Lee 1934-8-17 1148 Humboldt East shore of Big Lagoon, 35 miles north of Eureka 3 Comment
  UC1196597  Grindelia hirsutula Joseph P. Tracy 1921-7-10 5856 Humboldt Big Lagoon Northern Coast Region, Big Lagoon 6 Comment
  POM187851  Grindelia stricta var. stricta Marcus E. Jones 1931-7-16 29143 Humboldt Arcata. Comment
  RSA254793  Hackelia bella D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5571 Humboldt Westward lower slopes of Black Lassic near Trinity County line 1585 Comment
  HSC101976  Hackelia micrantha M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 873 Humboldt Patterson Meadows 1566 Comment
  UCD85239  Hainardia cylindrica Joseph P. Tracy 1938-7-15 16071 Humboldt Mouth of Eel River. 3 Comment
  HSC44510  Hastingsia alba Brad Klipfel 1973-7-1 116 Humboldt Along ridge trail SE of N Trinity Mtn. 1829 Comment
  CAS-BOT-BC302440  Hazardia whitneyi var. discoidea Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  RSA44540  Helenium autumnale H. M. Pollard 1947-8-18 s.n. Humboldt Klamath river bar, near Orleans. Comment
  UC176474  Helenium bolanderi Joseph P. Tracy 1913-7-13 4355 Humboldt Patrick's Point Northern Coast Ranges, Patrick's Point 30 Comment
  UC175986  Helenium bolanderi J. P. Tracy 1912-7-22 3792 Humboldt near Loleta 91 Comment
  HSC100435  Helenium puberulum Carl C. Marshall Jul 1886 350 Humboldt Liscom's Hill. Comment
  CAS-BOT-BC309414  Helenium puberulum Doris K. Kildale 1928-7-29 5921 Humboldt Mouth of Bear River at Capetown Comment
  HSC6064  Helminthotheca echioides Wm. F. Bowman 1968-11-9 Humboldt Along E edge of Humboldt Bay, 1 mi. S of Arcata Comment
  CAS-BOT-BC305849  Helminthotheca echioides F. J. Kirby 1958-7-1 s.n. Humboldt Near Bridgeville 304 Comment
  RSA255766  Hemitomes congestum Gary D. Wallace, S. Carlquist 1972-6-30 1102 Humboldt Prairie Crrek Redwoods Stl. Pk. near the coast. Comment
  CAS-BOT-BC310075  Hemizonella minima Doris K. Kildale 1927-7-22 3910 Humboldt Lassecks Peaks - Coral Goat Camp 1661 Comment
  HSC40031  Hemizonella minima Thomas W. Nelson, Jane P. Nelson 1976-6-22 2879 Humboldt On SW-facing slope at Goat Mtn. lookout 1666 Comment
  POM126139  Hemizonia congesta Joseph P. Tracy 1923-6-20 6338 Humboldt Near Garberville (4 miles N of it.) 122 Comment
  CAS-BOT-BC306079  Hemizonia congesta subsp. clevelandii W. R. Dudley 1899-6-29 s.n. Humboldt Bank of Eel River Comment
  CAS-BOT-BC306180  Hemizonia congesta subsp. congesta Carl B. Wolf 1927-8-29 1218 Humboldt Seacoast, Devil's Gate, south of Cape Mendocino Comment
  POM360349  Hemizonia congesta subsp. tracyi S. K. Harris 1936-6-20 699 Humboldt Above Van Duzen River about 1 mile west of Bridgeville Comment
  UC275452  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-7-18 7215 Humboldt Cape Ridge Northern Coast Ranges, Cape Mendocino 304 Comment
  CDA40919  Heracleum lanatum P. Haggard 2002-8-23 PDR P 070809 Humboldt North Coast; Wildlife Refuge in the vicinity of Eureka. Sheet 2 of 3 0 Comment
  HSC102572  Heracleum maximum M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-29 1559 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1579 Comment
  UC582500 Image available Hesperevax acaulis var. robustior Joseph P. Tracy 1932-5-1 9867 Humboldt vicinity of Garberville 121 Comment
  UC1222144  Hesperolinon micranthum Joseph P. Tracy 1950-7-6 18994 Humboldt 3 mi s Burr Valley (on the Albee Road); Buck Mountain 1158 Comment
  UC34953  Heterocodon rariflorum Chesnut and Drew 1888-7-9 Humboldt Kneeland Comment
  SEINET10972515  Heterocodon rariflorum Harold E. Parks, Joseph P. Tracy Parks 11084 Humboldt GROUSE MTN Comment
  HSC101543  Heterotheca oregona var. compacta J. P. Smith, J. O. Sawyer 2009-8-3 12643 Humboldt Along the Eel River. 23 Comment
  POM288698  Heterotheca oregona var. rudis Lyman Benson 1928-7-12 477 Humboldt Weott Ranger Station; Mt.Range: Seaward N Coast; Watershed: South Fork Eel River. 61 Comment
  RSA93319  Heterotheca oregona var. rudis F. W. Peirson 1926-7-13 7051 Humboldt Near Blue Lake, Mad River Comment
  RSA93364  Heterotheca oregona var. rudis F. W. Peirson 1941-7-29 13111 Humboldt Stephens Grove State Park. Comment
  SEINET12216924  Heuchera micrantha F. H. Utech 1986-1 86 -398 Humboldt ca 3 mi NW of Petrolla on Mattole Road (Humboldt County F3C) enroute to Capetown 80 Comment
  CAS-BOT-BC312395  Hieracium albiflorum W. R. Dudley 1899-6-19 s.n. Humboldt Scotia Comment
  HSC67475  Hieracium albiflorum J. P. Smith, Steve Selva 1970-6-14 3819 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC79502  Hieracium albiflorum Kenneth Clark 1980-6-14 687 Humboldt N Fork of Deadman's Gulch 107 Comment
  UC1199467  Hieracium albiflorum Joseph P. Tracy 1933-7-25 12831 Humboldt Horse Mountain 1432 Comment
  HSC44135  Hieracium albiflorum Thomas W. Nelson, Jane P. Nelson 1977-7-1 3577 Humboldt Along W side of road N from Alder Spring, head of N Fork of Conley Creek 1463 Comment
  UC1069597  Hieracium albiflorum H. L. Person 1932-7-16 Humboldt highway n Trinidat; Rock Point Quad. Comment
  UC1199463  Hieracium bolanderi Joseph P. Tracy 1933-7-25 12830 Humboldt Horse Mountain 1432 Comment
  HSC100488  Hierochloe macrophylla Carl C. Marshall 353 Humboldt S side of Table Bluff. Comment
  POM160893  Hierochloe occidentalis Joseph P. Tracy 1918-4-21 4882 Humboldt Around Humboldt Bay, old Kneeland Road 305 Comment
  JEPS45722  Hippuris vulgaris W. L. Jepson 1921-8-7 9335 Humboldt Stone Lagoon Comment
  HSC59570  Hippuris vulgaris Rick Lundquist 1979-5-18 98 Humboldt Clam Beach Ponds 0 Comment
  UC668291  Hippuris vulgaris Joseph P. Tracy 1938-8-21 16130 Humboldt along coast in front of South End of Stone Lagoon (Dry Lagoon); Dry Lagoon 3 Comment
  UCD115146  Hirschfeldia incana Joseph P. Tracy 1931-5-21 9434 Humboldt Eel River, Alton to Fortuna. 15 Comment
  CAS-BOT-BC280734  Holcus lanatus Doris K. Kildale 1928-6-24 7062 Humboldt Redwood Creek at Berrys 289 Comment
  RSA53833  Holcus lanatus Henry M. Pollard 1946-8-10 s.n. Humboldt South of Klamath River and east of Perch Creek, Orleans region. Comment
  SEINET181174 Image available Holcus lanatus Bassett Maguire, R Maguire; CB Maguire 1934-6-9 15059 Humboldt Clam Beach; 15 miles north of Eureka. Comment
  UC187268  Holcus lanatus Joseph P. Tracy 1911-7-7 3389 Humboldt three mi nw junction of Willow Creek with Trinity River (near Beebe's Ranch); Northern Coast Ranges, nw jct Willow Creek w/Trinity River 914 Comment
  UC38605  Holcus lanatus Joseph Burtt Davy and Walter C. Blasdale 1899-6-16 5558 Humboldt Scotia Comment
  UCD84850  Holcus lanatus Ashley C. Browne 1936-6-11 s.n. Humboldt Patrick's Point State Park. Comment
  BLMAR686  Holodiscus discolor Jennifer Wheeler 2013-6-25 686 Humboldt King range, Strawberry Rock 62 Comment
  HSC23709  Holodiscus discolor Tim Baroni 1971-6-25 43 Humboldt Comment
  HSC57957  Holodiscus discolor G. L. Clifton, Griswold 1979-7-31 11651 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  RSA10124  Hordeum brachyantherum subsp. californicum Joseph P. Tracy 1933-6-6 12508 Humboldt Trinidad 9 Comment
  HSC23405  Hordeum marinum subsp. gussoneanum Jeff Blake 1971-11-15 Humboldt Bear Ridge area, near Petrolia. Comment
  SEINET200950 Image available Hordeum marinum subsp. gussoneanum Joseph B. Tracy 1935-5-25 13866 Humboldt Fort Seward. Comment
  HSC104047  Hordeum murinum subsp. murinum Kyle Brown Apr 2015 31 Humboldt Along trail at Ma-le'l Dunes 3 Comment
  HSC35282  Horkelia tridentata var. flavescens J. D. Ackerman 1975-6-18 472 Humboldt Big Hill Rd., 10.4 mi. E of Hoopa and Hwy. 96 Comment
  HSC100515  Hosackia brachycarpa Carl C. Marshall May 1887 415 Humboldt Dry hillsides, S Humboldt. Comment
  HSC58536  Hosackia oblongifolia var. oblongifolia Overton, Butler 1979-7-23 9454 Humboldt Near Horse Mountain Mine, close to the town of Willow Creek 1295 Comment
  UC562599  Hydrophyllum occidentale Joseph P. Tracy 1933-7-11 12700 Humboldt Grouse Mountain; North Coast Ranges, Trinity Summit 1524 Comment
  UC659503  Hydrophyllum tenuipes Lincoln Constance, Alan A. Beetle 1940-5-16 2611 Humboldt 5 mi e Carlotta; Valley of Van Duzen River 30 Comment
  HSC53845  Hypericum anagalloides Griswold, Butler 1979-7-10 6307 Humboldt Near Board Camp Mtn., close to the town of Willow Creek 1372 Comment
  HSC13820  Hypericum anagalloides W. D. Stevens 1967-7-22 50 Humboldt Above dirt rd. from old Hwy. 101 to the top of the N bank of the Mad River Comment
  UC183761  Hypericum anagalloides Joseph P. Tracy 1913-6-22 4272 Humboldt opposite Buck Mt. (Dinsmore's Ranch); Northern Coast Ranges, Valley of Van Duzen R., Dinsmore's Ra 762 Comment
  CHSC32701  Hypericum perforatum J. P. Smith; Steve Selva 1970-6-14 3831 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  SD51268  Hypericum perforatum Darley F. Howe 1961-8-2 3118 Humboldt 7.7 miles east of Orick on Bald Mountain road. 609 Comment
  UC1004334  Hypericum perforatum W. L. Colwell 1954-11-20 19 Humboldt along Eel R. 3 mi. e. of S. Fork; Quadrangle 29B4, Eel R. 91 Comment
  UC1046635  Hypericum perforatum J. I. Mallory 1955-9-17 123 Humboldt 3/8 mi. n.-n.w. Cottrell Ranch headquarters (V-Plot 1); Quad. 29A-2 746 Comment
  UC1137469  Hypericum perforatum Hubert Person 1941-5-24 25323 Humboldt just n. Garberville; Briceland Quad., CA Forest & Range Expt. Station 152 Comment
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Sep 12 2009
  UC668258  Hypericum perforatum Joseph P. Tracy 1933-7-3 12641 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  HSC34584  Hypochaeris glabra A. Montalvo 1975-5-24 271 Humboldt Samoa Dunes off Samoa Blvd., across from the boat landing Comment
  HSC78973  Hypochaeris glabra L. P. Janeway, Paul Wilson 1984-5-7 760 Humboldt N Spit of Humboldt Bay, on BLM lands near the Coast Guard Station 3 Comment
  CAS-BOT-BC311438  Hypochaeris radicata Doris K. Kildale 1928-6-24 7077 Humboldt Redwood Creek at Berry's 289 Comment
  SEINET10879099  Hypochaeris radicata Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-8-6 Bennett 483 Humboldt Collected by Hwy. 101, N side of Orick. 30 Comment
  SD58504  Iliamna latibracteata Joseph P. Tracy 1949-9-1 18525 Humboldt Willow Creek Canyon, along Trinity Highway. 762 Comment
  HSC55330  Ipomopsis aggregata Griswold, Butler 1979-7-12 7170 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  HSC13865  Iris douglasiana J. J. Wagoner 1965-4-3 9 Humboldt 16 mi. N of Trinidad, W of Hwy. 101 in Dry Lagoon State Beach Park 24 Comment
  HSC47580  Iris douglasiana Sheila Logan 1978-4-10 176 Humboldt Redwood Park behind HSU campus Comment
  UC4280  Iris douglasiana Harley P. Chandler May 1901 1262 Humboldt Redwood Belt; North Coast Ranges 457 Comment
  RSA136681  Iris douglasiana Lee W. Lenz, E. K. Balls 1951-5-8 16508 Humboldt 14.7 miles north of Trinidad, Highway 101 6 Comment
  SEINET12049821  Iris douglasiana F. H. Utech 1986-1 86 -395 Humboldt ca 5 mi N on Kings Peak Rd, from junction with Shelter Cove Rd, near Tolkan Recreation Area 480 Comment
  BLMAR624  Iris purdyi Jennifer Wheeler 2011-6-1 624 Humboldt Lacks Creek, Bair rd near pickle springs 609 Comment
  HSC34873  Iris purdyi Thomas W. Nelson, James Nelson 1975-5-5 1780 Humboldt Beside Hwy. 101, 4 mi. S of Salmon Creek bridge Comment
  CAS-BOT-BC240325  Iris tenax subsp. klamathensis Dana York 2011-5-31 3021 Humboldt Six Rivers National Forest, Ca. 1.1 km S-SE of Somes Bar Post Office, on the slope E and above Hwy. 96 adjacent to a large landslide that occurred in 2010 Comment
  RSA0000278  Iris tenax subsp. klamathensis Lee W. Lenz 1953-5-13 18296 Humboldt Wooded hillsides along Klamath River, Orleans. 122 Comment
  HSC44339  Iris tenuissima Brad W. Klipfel 1975-6-17 683 Humboldt Horse Mtn. Comment
  HSC49177  Iris tenuissima J. O. Sawyer 1977-4-23 2847 Humboldt Bluff Creek Campground Comment
  RSA273404  Isatis tinctoria J. P. Smith, J. O. Sawyer 1974-6-2 7649 Humboldt Below Berry Summit on old State Route 299. 762 Comment
  SEINET4170781 Image available Isolepis cernua H. E. Parks, S. T. Parks 24244 Humboldt Spruce Cove , Trinidad 61 Comment
  SEINET10474757  Jaumea carnosa Mary Susan Taylor 1990-8-22 Taylor 6088 Humboldt Cypress Grove Area, Samoa Peninsula, along strand, Eureka. Comment
  CAS-BOT-BC102330  Juglans regia Henry M. Pollard 1946-8-27 s.n. Humboldt South side of Klamath River, near Boyce Creek, Orleans region Comment
  HSC76533  Juncus balticus subsp. ater Teresa Prendusi 1981-7-23 340 Humboldt Near Black Mtn. 890 Comment
  UC185007  Juncus balticus subsp. ater Joseph P. Tracy 1912-7-21 3787 Humboldt Alton Northern Coast Region 30 Comment
  HSC13983  Juncus balticus subsp. ater S. R. Johnson 1965-5-2 52 Humboldt 1 mi. N of Luffenholtz Beach Comment
  SJSU10737  Juncus balticus subsp. ater H. T. Harvey 1977-7-7 616 Humboldt Eel R delta c. 4 mi NW of Ferndale Comment
  CHSC102919  Juncus breweri Peter F. Zika 2007-7-19 23173 Humboldt North Coast. S end of Humboldt Bay. 3 Comment
  RSA18013  Juncus bufonius Carl B. Wolf 1927-8-22 780 Humboldt Big Lagoon Comment
  UC1152108  Juncus covillei Joseph P. Tracy 1930-6-29 8818 Humboldt near Dinsmore's; Buck Mountain Comment
  UCD141493  Juncus effusus K. Esau 1934-5-8 s.n. Humboldt Above Fort Seward. 609 Comment
  RSA15569  Juncus effusus subsp. pacificus Carl B. Wolf 1927-8-28 1190 Humboldt Eureka Bay, on the road to Arcata. Comment
  RSA246804  Juncus ensifolius Robert F. Thorne, Percy C. Everett 1965-8-7 35174 Humboldt Big Lagoon. 2 Comment
  HSC14053  Juncus falcatus D. E. Anderson 1961-9-9 1802 Humboldt Big Lagoon County Park Comment
  UC1103045  Juncus falcatus subsp. falcatus Joseph P. Tracy with H. E. Parks 1924-8-3 6746 Humboldt Stone Lagoon Northern Coast Region 6 Comment
  UCD141574  Juncus lescurii Linda M. Barker 1976-6-22 1620 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC102215  Juncus mertensianus M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 1131 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC102072  Juncus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 974 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  BLMAR429  Juncus patens Clara Sander 2003-8-5 429 Humboldt Humboldt County, Growing along Hwy101 between bayside cutoff and Samoa exit 8 Comment
  SEINET11789825  Juncus tenuis J. P. Tracy 1937-1 15609 Humboldt near Blue Lake, along Mad River 15 Comment
  HSC57907  Juncus xiphioides Gilbert Muth 1979-7-31 11509 Humboldt Near Tish Tang A Tang Creek, S Fork, close to the town of Hoopa 1417 Comment
  RSA168864  Juncus xiphioides Joseph P. Tracy 1938-7-24 16086 Humboldt Pacific and A Streets. Eureka. 0 Comment
  UCD117516  Kalmia polifolia Joseph P. Tracy 1942-6-23 17262 Humboldt Local at 'Water Dog Lakes,' Trinity Summit. 1889 Comment
  JEPS66621  Kalmia polifolia subsp. microphylla W. L. Jepson 1902-7-23 2109 Humboldt Trinity Summit 2133 Comment
  JEPS11135  Keckiella corymbosa Lincoln Constance 1934-6-27 934 Humboldt just w Bull Creek Flat (on Bull Creek road); South fork Eel River, Bull Creek Region Comment
  JEPS11139  Keckiella corymbosa Joseph P. Tracy 1937-7-11 15422 Humboldt vicinity Garberville 121 Comment
  RSA43878  Keckiella corymbosa H. M. Pollard 1948-8-12 s.n. Humboldt Perch Creek near Orleans. Comment
  NY790325  Keckiella lemmonii J. P. Tracy 1929-8-4 8648 Humboldt Ridge between Bull Creek and Mattole River 762.0 Comment
  HSC55592  Kelloggia galioides G. L. Clifton, Griswold 1979-7-26 9366 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  UC1196075  Kelloggia galioides Joseph P. Tracy 1932-7-13 10511 Humboldt near Corral Prairie; Trinity Summit 1584 Comment
  UC205187  Kyhosia bolanderi Joseph P. Tracy 1919-9-18 5252 Humboldt meadow McKay; Trinity summit 1524 Comment
  HSC77914  Landoltia punctata Daniel V. Richards 1981-8-20 103 Humboldt N Clam Beach Pond, E side of Hwy. 101 near Cranell exit. Comment
  HSC31138  Lapsana communis J. O. Sawyer 1970-6-24 2269 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  CAS-BOT-BC337992  Lasthenia californica Joseph P. Tracy 1932-6-26 10265 Humboldt Valley of South Yager Creek 762 Comment
  CDA18209  Lasthenia californica G. D. Barbe, T. C. Fuller 1974-6-17 1836 Humboldt North Coast Ranges; Lower Pacific Drive, S of sewage plant, W of golf course, at Sail Court, Shelter Cove. 60 Comment
  UC1199130  Lasthenia californica subsp. californica Joseph P. Tracy 1921-6-12 5819 Humboldt Kneeland Prairie Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC1199127  Lasthenia californica subsp. californica Joseph P. Tracy 1918-5-5 4924 Humboldt at Humboldt Bay Northern Coast Ranges, Humboldt Bay Comment
  UC1199133  Lasthenia californica subsp. californica Joseph P. Tracy 1925-5-17 6987 Humboldt at Berry's, Redwood Creek Northern Coast Ranges, Redwood creek 274 Comment
  UC198586  Lasthenia maritima Joseph P. Tracy 1917-5-30 4810 Humboldt at mouth of Little River (stranded on ocean beach, source unknown); Northern Coast Ranges Comment
  BLMAR615  Lathyrus littoralis Jennifer Wheeler 2011-5-20 615 Humboldt King range, Mattole Beach Sand Dunes 3 Comment
  CHSC68555  Lathyrus littoralis Vernon H. Oswald 1997-4-29 8359 Humboldt Samoa Dunes Recreation Area at the south end of the North Spit separating Humboldt Bay from the ocean. 0 Comment
  SD39835  Lathyrus littoralis Charlotte M. Hook 1931-7-15 2104 Humboldt Eureka Comment
  HSC101985  Lathyrus nevadensis var. nevadensis M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 883 Humboldt Patterson Meadows 1566 Comment
  UC302108  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1926-5-2 7444 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  BLMAR644  Lathyrus torreyi Jennifer Wheeler 2011-7-7 644 Humboldt Lacks Creek, Pine Ridge Road, spur at Stormy Saddle 1097 Comment
  UC162589  Lathyrus vestitus Joseph Burtt Davy and Walter C. Blasdale 1899-6-8 5358 Humboldt Bell Springs to Harris; North Coast Ranges Comment
  UC931763  Lathyrus vestitus C. L. Hitchcock 1949-6-7 19081 Humboldt ca 15 mi n Garberville (Redwood Highway) Comment
  RSA64968  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1949-6-7 19083 Humboldt 1/5 mile S of Pepperwood, along Highway #101. Comment
  UCD133892  Layia carnosa Linda M. Barker 1976-4-13 1377 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA92250  Layia carnosa F. W. Peirson 1923-7-11 3905 Humboldt 18 miles north of Eureka Comment
  UC1197587  Ledum glandulosum J. P. Tracy 1899-7-22 84 Humboldt immediate vicinity of Eureka 0 Comment
  UC249862  Leersia oryzoides Joseph P. Tracy 1924-8-31 6836 Humboldt Klamath River at Bluff Creek Bluff Creek; Northern Coast Ranges, Klamath River, Bluff Creek 91 Comment
  UCSB22188  Lemna obscura Joseph Keefe 1967-7-8 1862 a Humboldt collected along the E-side of U S Highway 101 turnoff to Crannell Road N of Eureka U S Highway 101, Crannell Road and Eureka 6 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
  RSA94973  Leontodon nudicaulis F. W. Peirson 1926-7-13 7056 Humboldt Near Blue Lake, Mad River. Comment
  CHSC31922  Lepidium didymum M. S. Taylor 1980-10-9 3365 Humboldt Bed of Jacoby Creek, ca. 1/4 mi w of its jct with Arcata Rd, ca. 5 mi s of Arcata in Bayside. 15 Comment
  UC1116217  Lepidium strictum Joseph P. Tracy 1946-5-4 17433 Humboldt Willow Creek Trinity River Valley 152 Comment
  UC1199166  Lepidium strictum Joseph P. Tracy 1948-5-31 18011 Humboldt Alder Point 304 Comment
  RSA152321  Lepidium strictum Joseph P. Tracy 1946-5-30 17540 Humboldt Vicinity of Carlotta. 30 Comment
  SBBG64597  Leptosiphon androsaceus V. Duran 1933-5-10 3403 Humboldt near Blocksburg Comment
  RSA259570  Leptosiphon androsaceus Thomas W. Nelson 1975-6-21 1948 Humboldt Hwy 36, 5 miles east of Bridgeville Comment
  UC34537  Lessingia nemaclada Hy-Am Pum 1888-7-23 Humboldt Comment
  SEINET11810782  Lessingia nemaclada var. mendocina H. P. Chandler 1901-1 1503 Humboldt Klamath River, North Coast Ranges 427 Comment
  CAS-BOT-BC334617  Leucanthemum vulgare Joseph P. Tracy 1937-6-23 15360 Humboldt Along Mad River near Blue Lake 15 Comment
  UCR122365  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2001-7-8 6977 Humboldt North Coast, CA Hwy 36, along the Van Duzen River, 19.6 mi east of CA Hwy 101, west of Bar W Road 137 Comment
  HSC65987  Lewisia cotyledon var. howellii Gail Newton 1980-7-23 1706 Humboldt Near Packsaddle Ridge 293 Comment
  SEINET3071950  Lewisia cotyledon var. howellii Lincoln Constance, Reed C. Rollins 1942-1 2885 Humboldt Mouth of Bluff Creek, 6 miles northeast of Weitchpec. 150 Comment
  HSC63201  Lewisia leeana M. A. Baker 1979-6-27 929 Humboldt Head of Grogan Hole at the head of Oregon Creek Comment
  CAS-BOT-BC283513  Leymus X vancouverensis Joseph P. Tracy 1930-7-21 8894 Humboldt Cape Mendocino, near ocean shore S of point of the cape 30 Comment
  UC926380  Leymus X vancouverensis A. S. Hitchcock 1915-7-13 1506 Humboldt sand dunes near Samoa; Eureka Comment
  JEPS17503  Ligusticum apiifolium W. L. Jepson 1902-6-30 1959 Humboldt on Hupa Rd. near Redwook Creek Comment
  UC1197174  Ligusticum apiifolium Joseph P. Tracy 1930-7-6 8851 Humboldt at crossing of the Iaqua to yager rd. North Yager Creek 396 Comment
  HSC76407  Ligusticum californicum Teresa Prendusi 1981-7-24 456 Humboldt Near Whiteys Peak 1585 Comment
  SFV18580  Ligusticum californicum T. W. Nelson, J. P. Nelson 1987-6-11 8556 Humboldt Along Forest Road 13N01, 0.25 miles south of turn off to Onion Lake. 1098 Comment
  UC1101451  Lilaeopsis occidentalis Malcolm A. Nobs and S. Galen Smith 1949-8-3 1166 Humboldt 1 mi. s. Fields Landing (Eel R. Valley); Eel R. Valley Comment
  HSC15568  Lilium columbianum P. A. Mansfield 1967-7-8 15 Humboldt Along French Camp Ridge Comment
  HSC35943  Lilium columbianum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-15 2036 Humboldt Along Old Hwy. 101 N of Trinidad Comment
  HSC45280  Lilium columbianum Clifton Raymond Chesbrough 1971-7-5 40 Humboldt Along Fickle Hill Rd. Comment
  HSC58077  Lilium kelleyanum G. L. Clifton, Griswold 1979-8-1 11979 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  CAS-BOT-BC130688  Lilium occidentale A. M. Vollmer; L. Beane 1951-7-1 s.n. Humboldt Table Bluff, near Eureka Comment
  UC1198242  Lilium occidentale Joseph P. Tracy 1913-8-31 4387 Humboldt near Indianola (on Table Bluff); Northern Coast Region, Humboldt Bay Region 0 Comment
  HSC57704  Lilium pardalinum subsp. pardalinum G. L. Clifton, Griswold 1979-7-25 10947 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC15586  Lilium pardalinum subsp. pardalinum D. G. Hauger 1967-7-15 52 Humboldt Comment
  CAS-BOT-BC132960  Lilium rubescens A. M. Vollmer; L. Beane 1951-6-1 147 Humboldt On trail to Blohn's cabin, Bald Mountain, east of Korbel Comment
  JEPS99290  Lilium rubescens H. and M. Dearing 1939-6-27 3730 Humboldt near Dinsmore (Van Duzen River) 730 Comment
  UC54669  Lilium rubescens Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  CAS-BOT-BC132968  Lilium rubescens Tom Craig 1941-7-2 s.n. Humboldt Near Yager Comment
  HSC15790  Limnanthes douglasii Elrid H. Spinas 1948-5-15 19 Humboldt Horse Mtn. 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
  UC1198577  Linanthus acicularis Joseph P. Tracy 1921-4-24 5474 Humboldt Phillipsville, facing South Fork of Eel River Northern Coast Ranges 121 Comment
  UC177192  Linanthus androsaceus Joseph P. Tracy 1912-7-21 3774 Humboldt Alton Northern Coast Region 30 Comment
  UC1198568  Linanthus bicolor Joseph P. Tracy 1911-7-10 3487 Humboldt near Mouth of Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  UC1198570  Linanthus bicolor Joseph P. Tracy 1908-6-7 2616 Humboldt Butler Valley North Coast Ranges 152 Comment
  UC52409  Linanthus filipes Mrs. M. H. Manning Humboldt Hoopa Comment
  UCSB8725  Linaria vulgaris Phillips, Priscilla 1958-6-7 Humboldt Patrick's Point; near Trinidad Comment
  HSC76247  Linnaea borealis subsp. longiflora Teresa Prendusi 1981-7-7 122 Humboldt Near Slate Creek Butte. 1158 Comment
  HSC15799  Linum bienne John A. Dubois 1962-5-12 13 Humboldt 20 mi. E of Arcata Comment
  CAS-BOT-BC111982  Lipocarpha occidentalis Joseph Prince Tracy 1931-9-7 9650 B Humboldt Sand bars in River bed, Trinity River Valley at Willow Creek. 152 Comment
  UC302158  Listera convallarioides Joseph P. Tracy 1926-6-27 7690 Humboldt Horse Mountain Northern Coast Ranges 1219 Comment
  HSC95191  Listera cordata var. nephrophylla Gordon Leppig, Tony LaBanca 2003-5-22 1943 Humboldt Humboldt Redwoods State Park, Fleismann's Grove 76 Comment
  UC54690  Lithocarpus densiflorus Mrs. M. H. Manning Oct 1901 Humboldt near Hupa Comment
  POM270414  Lithocarpus densiflorus var. densiflorus Lyman Benson 1927-7-12 224 Humboldt Weott Ranger Station; Mt. Range: Seaward N Coast; River: South Fork Eel. 61 Comment
  UC1196500  Lithophragma Harold E. Parks and Joseph P. Tracy 1942-5-16 11558 1/2 Humboldt vicinity Garberville 152 Comment
  CAS-BOT-BC430610  Lithophragma affine Mark Bransom; Daniel Brown; Ron Hildebrant; Nina Meiselman 1986-4-19 18 Humboldt 1 1/2 mi. west of Burnt Ranch on Rt. 299 down dirt road leading from open meadow above Burnt Ranch campground Comment
  HSC98097  Lithophragma campanulatum Cara Witte, Michael Scott 2007-6-22 344 Humboldt Board Camp Mountain. Road to Tri Board Camp. 1494 Comment
  CAS-BOT-BC435645  Lithophragma heterophyllum Volney Rattan 1883-6-1 s.n. Humboldt Between Mad R. and Pilot Creek Comment
  UC1199426  Logfia gallica Joseph P. Tracy 1934-7-1 13278 Humboldt Willow Creek Trinity River Valley, Willow Creek 152 Comment
  UC1103160  Lolium multiflorum Joseph P. Tracy 1948-6-13 18043 Humboldt 7 mi nw Blocksburg (Larrabee Creek); Larrabee 304 Comment
  UC50708  Lolium multiflorum Joseph Burtt Davy and Walter C. Blasdale 1899-7-30 6112 B Humboldt Arcata; Russ Ranch, North-Western California Comment
  HSC10318  Lolium perenne E. W. Styskel 1964-5-7 77 Humboldt 2 mi. S of Samoa near Samoa Rd. Comment
  UCD66413  Lolium perenne Linda M. Barker 1976-7-5 1646 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC35700  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, B. Reinhardt 1975-7-30 2107 Humboldt Above the road out Whiting Ridge Comment
  UC906633  Lomatium dissectum var. dissectum Joseph P. Tracy 1942-6-21 17220 Humboldt at Willow Creek Trinity R. Valley 152 Comment
  HSC70564  Lomatium macrocarpum M. A. Baker 1980-7-23 3141 Humboldt Near Orleans Mtn. 1859 Comment
  HSC96294  Lomatium macrocarpum April A. Allard, Gregory D. O'Connell 2005-6-3 1 Humboldt White Oak Opening, 19.3 mi. S of Hwy. 299 on NF1 1246 Comment
  HSC97412  Lomatium macrocarpum R. Spellenberg 1965-6-14 1126 Humboldt Kneeland Airport about 5 mi. S of Kneeland Comment
  UC1438145  Lomatium tracyi Barbara Kelly 1978-5-1 587 Humboldt 1/4 mi from Horse Mountain Road 1/2 mi below turnoff to summit, near end of unused gravel road Comment
  UC906644  Lomatium triternatum var. triternatum Joseph P. Tracy 1942-6-23 17228 Humboldt 1 mi. w. Box Camp (Trinity Summit); Trinity Summit 1219 Comment
  HSC60069  Lomatium utriculatum M. A. Baker 1978-5-6 461 Humboldt Junction of Bald Hills Rd. with French Camp Rd. Comment
  UC1714579  Lomatium utriculatum J. P. Tracy 1904-5 2116 Humboldt immediate vicinity Eureka (restricted to small patch on bluff at Bucksport); Bucksport 0 Comment
  CAS-BOT-BC241402  Lonicera David D. Keck 1948-7-1 5975 Humboldt South side of Big Lagoon Comment
  SBBG7350  Lonicera hispidula H. and M. Dearing 1933-5-15 1852 Humboldt Garberville Comment
Read comments
Oct 13 2014
  CAS-BOT-BC240667  Lonicera interrupta Carl D. Duncan 1920-9-20 s.n. Humboldt Hoopa Valley Comment
  RSA239767  Lonicera involucrata Larry E. DeBuhr 1973-4-23 s.n. Humboldt Big Lagoon 10 miles S of Orick, SW end of lagoon Comment
  RSA246894  Lonicera involucrata R. F. Thorne, P. C. Everett 1965-8-9 35301 Humboldt Big Lagoon. 3 Comment
  UCD137378  Lonicera involucrata Linda M. Barker 1976-4-30 1400 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  CHSC31282  Lonicera involucrata var. ledebourii Mark Stopher 1980-4-11 47 Humboldt Occasional in brushy areas along Elk River. 1 Comment
  CHSC65259  Lonicera involucrata var. ledebourii H. E. Parks 1935-5-1 5542 Humboldt Comment
  HSC3931  Lonicera involucrata var. ledebourii D. E. Anderson 1961-9-13 1806 Humboldt Big Lagoon County Park Comment
  SBBG69576  Lonicera involucrata var. ledebourii R. Hartwell 1938-8-6 Humboldt near Arcata Comment
  UC1239558  Lonicera involucrata var. ledebourii Joseph P. Tracy 1933-5-20 12219 Humboldt Capetown Bear River 30 Comment
  CAS-BOT-BC200912  Lotus A. M. Vollmer; L. Beane 1951-6-11 141 Humboldt Along Van Duzen River, at Bridgeville Comment
  SEINET5736924 Image available Lotus Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6108 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 4.5 miles to collection site. Comment
  HSC1873  Lotus aboriginus H. E. Parks Jul 1932 Humboldt Bishop Pine Lodge, Trinidad 61 Comment
  UC1561361  Lotus corniculatus Barbara Ertter with Thomas J. Delendick 1987-5-16 6914 Humboldt ca 8 mi e Arcata (Hwy 299, 9.5 mi w of Lord Ellis summit) Comment
  HSC25291  Lotus corniculatus R. Spellenberg 1964-6-15 409 Humboldt 0.5 mi. S of Humboldt Hill exit, 5 mi. S of Eureka Comment
  UC1223405  Lotus denticulatus Joseph P. Tracy 1934-6-14 13219 Humboldt Horse Mountain 1432 Comment
  UC80841  Lotus denticulatus W. W. Price 1890-7-1 Humboldt Mad River Comment
  HSC98245  Lotus humistratus J. E. Lankila 1962-5-6 20 Humboldt W bank of Eel River across from Shively, .25 mi. from Bear Creek Comment
  UC495724  Lotus humistratus Joseph P. Tracy 1929-4-28 8547 Humboldt Willow Creek Northern Coast Ranges, Trinity River Valley 152 Comment
  UC160993  Lotus nevadensis var. nevadensis Joseph P. Tracy 1911-7-6 3358 Humboldt between Three Creeks and Mouth of Willow Creek; Northern Coast Ranges 762 Comment
  JEPS51821  Lotus nevadensis var. nevadensis W. L. Jepson 1902-7-3 1979 Humboldt Three Creeks to Willow Creek Comment
  HSC78972  Lotus unifoliolatus var. unifoliolatus L. P. Janeway, Paul Wilson 1984-5-25 824 Humboldt N Spit of Humboldt Bay, BLM lands near the Coast Guard Station 5 Comment
  HSC40946  Lotus unifoliolatus var. unifoliolatus Linda M. Barker 1976-6-1 1548 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC98269  Lotus unifoliolatus var. unifoliolatus D. E. Anderson 1962-7-14 2256 Humboldt About 3 mi. E of Kneeland Comment
  UC503018  Lupinus Joseph P. Tracy 1927-6-18 8189 Humboldt Capetown; Northern Coast Ranges, Capetown 304 Comment
  UC1223277  Lupinus adsurgens Joseph P. Tracy 1933-7-26 12912 Humboldt Grouse Mountain, top of mountain 1630 Comment
  RSA138212  Lupinus adsurgens var. lilacinus Volney Rattan 1882-06 16 Humboldt Humboldt Comment
  SEINET12154344  Lupinus albicaulis J. P. Tracy 1950-1 18968 Humboldt Happy Camp Mtn. Trinity SUmmit Rnage, 6miNE of Hawkins Bar. E of Grove's Prairie 1524 Comment
  UC1223268  Lupinus albicaulis var. shastensis Joseph P. Tracy 1949-8-7 18433 Humboldt on road from Hoopa to Box Camp at summit of ridge near where the road to Big Hill turns off Trinity Summit; , rd fr Hoopa to Box Camp Comment
  UC1197248  Lupinus albifrons Joseph P. Tracy 1932-5-1 9873 Humboldt Garberville; Northern Coast Ranges, Garberville 121 Comment
  CAS-BOT-BC196399  Lupinus arboreus R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-3 178 Humboldt On sand dunes of Clam Beach Comment
  HSC75465  Lupinus latifolius J. O. Sawyer 1980-7-18 3614 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC74224  Lupinus latifolius subsp. viridifolius M. A. Baker 1980-7-19 3018 Humboldt Near Bret Hole. 1814 Comment
  UC169060  Lupinus latifolius var. latifolius Joseph P. Tracy 1912-7-3 3719 Humboldt Alton; Northern Coast Region, Alton 30 Comment
  POM179219  Lupinus luteolus H. C. Cantelow 1940-7-6 s.n. Humboldt Near Van Duzen River, 7.5 miles east of Dinsmore. Comment
  HSC102029  Lupinus polyphyllus M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 931 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  RSA20858  Lupinus polyphyllus var. grandifolius Carl B. Wolf 1937-6-18 8898 Humboldt 1/2 miles E of Alton. 21 Comment
  HSC14865  Lupinus rivularis Allan R. Marshall 1962-5-5 8 Humboldt 25 yds. W of 1528 M St. 6 Comment
  HSC57899  Lupinus tracyi Overton, Butler 1979-7-31 11479 Humboldt Near N Trinity Mtn., close to the town of Hoopa 1940 Comment
  SEINET3069359 Image available Lupinus tracyi J. P. Tracy 1932-7-15 10598 Humboldt on ridges east on Corral Prairie, Trinity Summit Comment
  HSC59591  Lupinus variicolor Rick Lundquist 1979-4-6 2 Humboldt Arcata, SE Corner of 7th and Union St. 24 Comment
  HSC45017  Luzula multiflora subsp. multiflora R. Sutherland 1978-4-24 4 .24478 Humboldt Kinsey Ridge above Oat Creek 396 Comment
  UC1157634  Luzula parviflora Milo S. Baker 1947-8-6 11870 Humboldt Prairie Cr. State Park Comment
  UC1133756  Luzula subsessilis H. L. Person 1932-5-11 19424 Humboldt Korbel Eureka Quad., Korbel Comment
  CHSC96710  Lycopodiella inundata Gordon Leppig 1997-6-19 460 Humboldt Big Lagoon County Park, Big Lagoon Bog. North eastern edge of fen. NAD 27 UTM Zone 10, 405321E, 4557202N. 3 Comment
  POM319613  Lycopodiella inundata Patricia Wilder 1968-8-21 4384 Humboldt Bog in Big Lagoon Park, just west of Hwy 101; Mt. Range: Coast range; Drainage Area: Big Lagoon to Pacific Ocean. 2 Comment
  UC577349  Lycopus uniflorus H. E. Parks and Joseph P. Tracy 1924-8-3 6765 Humboldt Big Lagoon 6 Comment
  JEPS433  Lysichiton americanus W. L. Jepson 1936-8-17 17916 Humboldt 2 mi. s. Field's Landing (near Still's ranch) Comment
  UC486490  Lysichiton americanus H. E. and S. T. Parks 1930-9-14 781 Humboldt Big Lagoon Comment
  JEPS20935  Lysichiton americanus W. L. Jepson 1902-6 1925 Humboldt Eureka to Arcata; Hupa Indian Reservation Comment
  JEPS42815  Lysichiton americanus Lincoln Constance 1934-6-18 894 Humboldt near South Fork Rail Road Station and Post Office (border of North Dyerville Flat, South Fork Eel River); Bull Creek Region, South Fork Eel River Comment
  UC176174  Lysichiton americanus Joseph P. Tracy 1913-3-30 4029 Humboldt at Eureka Northern Coast Region, Eureka 0 Comment
  HSC101056  Lythrum salicaria Sydney Carothers 1997-8-19 207 Humboldt Hwy. 36, north end of dividerless road; private property 732 Comment
  RSA94392  Madia anomala F. W. Peirson 1926-7-14 7067 Humboldt Redwood Camp, Lower Eel River Comment
  UC1223209  Madia elegans Joseph P. Tracy 1950-8-4 19260 Humboldt ne of Lookout station (Grasshopper Peak, at head of Canoe Creek); Bull Creek State Park, Canoe Creek Comment
  UC89451  Madia elegans unknown Humboldt Jarnigans Comment
  CAS-BOT-BC343020  Madia gracilis Joseph P. Tracy 1935-7-23 14132 Humboldt Trinity Summit. At Corral Prairie 1584 Comment
  CAS-BOT-BC343028  Madia gracilis Doris Kildale 1931-6-6 10856 Humboldt Gans Prairie, Orick - Weitchpec road Comment
  OBI36372  Madia gracilis David J. Keil 1983-7-1 17268 Humboldt Ca. 13 mi W of jctn US 101 along Bull Crk Flats rd Comment
  CAS-BOT-BC343590  Madia sativa J. Clausen 1932-9-18 678 Humboldt 11 miles south of Ferndale on the road to Capetown Comment
  HSC40379  Madia sativa Linda M. Barker 1976-6-14 1592 Humboldt 3 mi. W of Arcata Comment
  RSA0011631  Madia sativa R. F. Thorne, Percy C. Everett 1965-8-7 35216 -b Humboldt Samoa Peninsula. 0 Comment
  CAS-BOT-BC508508  Maianthemum dilatatum M. Louise Hutchinson 1913-4-1 s.n. Humboldt Eureka Comment
  CAS-BOT-BC508519  Maianthemum dilatatum Alice Eastwood 1907-4-21 35 Humboldt Port Trinidad Comment
  CAS-BOT-BC508520  Maianthemum dilatatum Ella Dales Cantelow 1936-5-18 1354 Humboldt 5 miles north of Orick Comment
  HSC22058  Maianthemum dilatatum D. R. Becker 1966-5-7 47 Humboldt By Eureka Municipal Golf Course, 0.5 mi. E of F and Alder Sts. 9 Comment
  SEINET12047101  Maianthemum dilatatum F. H. Utech 1972-1 72 -014 Humboldt within city limits of Arcata, Humboldt State University Forest, W of campus 183 Comment
  HSC15642  Maianthemum racemosum subsp. amplexicaule Paul Shields May 1955 Humboldt 7 mi. W of Hoopa Comment
  RSA698056  Maianthemum racemosum subsp. amplexicaule J. R. Bruff 1937-8-17 924 Humboldt Richardson Grove. Comment
  CAS-BOT-BC511457  Maianthemum racemosum subsp. amplexicaule M. P. Dillingham 1972-4-30 s.n. Humboldt Vicinity of Whitehorn, Douglas fir forest Comment
  HSC98155  Maianthemum stellatum F. B. Plett 1963-4-21 19 Humboldt 1.5 mi. N of Trinidad along old Hwy. 101 Comment
  SEINET3992479  Maianthemum stellatum Unknown 1932-7-12 10455 Humboldt Near Corral Prairie; Trinity Summit 1585 Comment
  RSA0009485  Maianthemum stellatum Marcus E. Jones 1924-4-28 s.n. Humboldt Dyerville. Comment
  UC992620  Malus Rogers McVaugh 1941-8-3 6215 Humboldt 1 1/4 mi S of H. Q.; Patrick's Point State Park Comment
  CHSC46890  Marah oregana R. A. Schlising 1963-6-4 2584 Humboldt South of Orick, along Hwy 101 at Big Lagoon. Comment
  HSC59579  Marah oregana Rick Lundquist 1979-5-23 103 Humboldt 3.4 mi. up Fickle Hill Rd. from 11th St. 274 Comment
  UC1197775  Marah oregana Joseph P. Tracy 1923-6-20 6313 Humboldt White Thorn Valley Northern Coast Ranges 304 Comment
  UC1199282  Matricaria discoidea J. P. Tracy 1900-6-23 856 Humboldt immediate vicinity Eureka 0 Comment
  CDA30224  Medicago polymorpha M. K. Beyers, I. Shepardson 2009-9-13 246 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  RSA10133  Melica bulbosa Joseph P. Tracy 1932-7-12 10445 Humboldt Open ground at Corral Prairie, Trinity Summit, Klamath Mountains. 1524 Comment
  UC180729  Melica geyeri Joseph P. Tracy 1913-6-20 4230 Humboldt lower nw slope Buck Mountain; Northern Coast Ranges 762 Comment
  CAS-BOT-BC281323  Melica harfordii L. R. Abrams 1918-6-16 7156 Humboldt Willow Creek Comment
  UC249877  Melica harfordii Joseph P. Tracy 1923-6-3 6249 Humboldt Kneeland Prairie; Northern Coast Ranges 762 Comment
  UC34139  Melica spectabilis Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5827 Humboldt Trinity Summit Comment
  UC187244  Melica subulata J. P. Tracy 1900-5-28 815 Humboldt immediate vicinity Eureka 0 Comment
  HSC10365  Melica subulata D. C. Juve 1964-5-16 53 Humboldt Rousseau Ranch near Kneeland. Comment
  UC180483  Melica torreyana Joseph P. Tracy 1914-5-14 4451 Humboldt Fort Seward; Northern Coast Ranges 121 Comment
  HSC28183  Melilotus albus Richard Curtis 1973-9-28 27 Humboldt Along R.R. tracks near mouth of Nanning Cr., across Eel River from Rio Dell Comment
  HSC98074  Melilotus albus Cara Witte 2007-7-12 529 Humboldt Ammon Ridge Road. Approximately 2 miles southeast of intersection with 5N10. 1353 Comment
  HSC59  Mentha pulegium J. Wendell Howe 1931-6-19 Humboldt Redway Comment
  RSA46478  Menziesia ferruginea Doris K. Kildale 1927-6-26 3596 Humboldt Redwoods between Big Lagoon and Trinidad. Comment
  HSC103080  Microseris nutans Sydney Carothers 2014-6-12 14 Humboldt Six Rivers National Forest, Lassics Botanical Area, north slope Red Lassic 1712 Comment
  HSC73770  Microseris nutans M. A. Baker 1980-6-7 1777 Humboldt Near Brush Mtn. 1128 Comment
  HSC32274  Microseris nutans D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5628 Humboldt Westward lower slopes of Black Lassic near Trinity Co. line. 1585 Comment
  SEINET200380  Microsteris gracilis J. P. Tracy 1930-6-21 8789 Humboldt Larrabee Valley 701 Comment
  HSC12373  Mimulus alsinoides C. E. Fellows 1970-5-1 267 Humboldt 11 mi. W of Willow Creek, S side of Hwy. 299 Comment
  JEPS4738  Mimulus alsinoides Joseph P. Tracy 1925-6-7 7062 Humboldt Willow Creek Canyon Northern Coast Ranges 457 Comment
  HSC26881  Mimulus aurantiacus var. aurantiacus Clifton Raymond Chesbrough 1973-6-19 88 Humboldt 0.5 mi. S of Trinidad along the coast Comment
  HSC101989  Mimulus breweri M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 888 Humboldt Patterson Meadows 1555 Comment
  HSC56069  Mimulus breweri G. L. Clifton, Griswold 1979-7-31 11735 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa. 1845 Comment
  JEPS10550  Mimulus breweri W. L. Jepson 1902-7-23 2108 Humboldt Trinity Summit 2133 Comment
  JEPS10553  Mimulus breweri Joseph P. Tracy 1932-7-10 10375 Humboldt Corral Prairie Trinity Summit 1584 Comment
  UC147910  Mimulus breweri Joseph P. Tracy 1908-6 2844 Humboldt nw slope Buck Mountain; Northern Coast Ranges 1219 Comment
  UC169014  Mimulus floribundus Harley P. Chandler June, 1901 1481 Humboldt between Orleans and Somes Bar; North Coast Ranges, Klamath River 304 Comment
  HSC45656  Mimulus guttatus Diane L. Reed 1978-4-22 24 Humboldt Tish Tang Campground, 5 mi. N of Willow Creek on Hwy. 96 Comment
  HSC73600  Mimulus guttatus M. A. Baker 1980-7-22 3113 Humboldt Near Grogan Hole. 1676 Comment
  HSC31742  Mimulus guttatus Donald Spalinger 1974-5-12 59 Humboldt Bald Hills Rd., 1.5 mi. E from junction with Hwy. 101 229 Comment
  UC41881  Mimulus inodorus Chesnut and Drew 1888-7-10 Humboldt Jarnigan's Comment
  HSC60082  Mimulus kelloggii M. A. Baker 1978-5-6 500 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  UC162580  Mimulus layneae Joseph P. Tracy 1911-7-8 3443 Humboldt near mouth Willow Creek; Northern Coast Ranges, Valley of Trinity River 152 Comment
  JEPS8153  Mimulus layneae Joseph P. Tracy 1937-6-27 15382 Humboldt w of mouth South Fork of Trinity River; Friday Ridge 1219 Comment
  HSC20780  Mimulus moschatus J. P. Tracy 1935-7-23 14165 Humboldt Trinity Summit: lower end of Brett Hole 1585 Comment
  HSC24378  Mimulus moschatus J. O. Sawyer 1970-6-24 2253 Humboldt S of Mill Creek Gap, FS Rd. 10N02 1433 Comment
  UC1196828  Mimulus nasutus J. P. Tracy 1896-6-25 131 Humboldt immediate vicinity Eureka 0 Comment
  CDA30215  Mimulus pilosus M. K. Beyers, I. Shepardson 2009-9-13 238 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  UC582441  Mimulus pilosus Joseph P. Tracy 1923-9-16 6552 Humboldt at mouth of South Fork Northern Coast Ranges, Trinity River Valley 152 Comment
  JEPS11057  Mimulus primuloides subsp. primuloides Joseph P. Tracy 1932-7-14 10534 Humboldt Corral Prairie Trinity Summit 1584 Comment
  HSC55694  Mimulus pulsiferae Overton, Butler 1979-7-26 10015 Humboldt Near White Rock Spring, close to the town of Willow Creek 1554 Comment
  UC1196783  Mimulus pulsiferae Joseph P. Tracy 1937-6-27 15383 Humboldt w mouth of S. Fork of Trinity River; Friday Ridge 1219 Comment
  UC249670  Minuartia cismontana Joseph P. Tracy 1922-4-30 5991 Humboldt near Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  CAS-BOT-BC174683  Minuartia cismontana H. E. Parks; J. P. Tracy 1930-5-25 0866 Humboldt Laribee Valley, Eastern Humboldt Co. Comment
  CDA21079  Minuartia douglasii G. F. Hrusa 1993-6-17 11221 Humboldt Red Mountain; Summit of road cut at entrance gate to Red Mtn. Comment
  CHSC10143  Minuartia douglasii D. E. Anderson 1965-5-15 3695 Humboldt About 5 miles north of Hoopa on Bald Hills Road. Comment
  HSC32136  Minuartia nuttallii subsp. gregaria D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5605 Humboldt Mt. Lassic and two smaller peaks to immediate E 1768 Comment
  UC668119  Minuartia nuttallii subsp. gregaria Joseph P. Tracy 1935-7-30 14353 Humboldt Salmon Summit 1767 Comment
  HSC99492  Mitella caulescens K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 152 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  JEPS49683  Mitella ovalis Jos. P. Tracy 1901-12-13 818 Humboldt Eureka Comment
  HSC38487  Moehringia macrophylla D. E. Anderson, J. P. Smith 1971-7-6 - 1272 Humboldt Horse Mtn. Comment
  HSC71820  Moehringia macrophylla Thomas W. Nelson, Jane P. Nelson 1980-6-27 5936 Humboldt Along old trail to pond above Alder Spring, 0.5 mi. N of campground 1555 Comment
  HSC76524  Monardella odoratissima Teresa Prendusi 1981-7-21 273 Humboldt Near Whiteys Peak 1646 Comment
  UC176998  Monardella odoratissima subsp. glauca Joseph P. Tracy 1912-7-31 3928 Humboldt Near summit Buck Mountain; Northern Coast Ranges 1676 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
  HSC26743  Moneses uniflora K. Irwin 1973-6-19 Humboldt S of road to Fern Canyon Comment
  HSC69868  Montia linearis Thomas W. Nelson 1978-5-28 4097 Humboldt McKeown Ranch, N of Dinsmore 762 Comment
  CAS-BOT-BC445150  Montia parvifolia H. D. Ripley; R. C. Barneby 1945-6-15 6806 Humboldt Trinidad Head 15 Comment
  CAS-BOT-BC445158  Montia parvifolia W. R. Dudley 1899-1-1 s.n. Humboldt Trinidad Head Comment
  CAS-BOT-BC445165  Montia parvifolia L. R. Abrams; R. Bacigalupi 1922-6-25 8282 Humboldt Big Lagoon south of Orick Comment
  JEPS17211  Montia parvifolia Milo S. Baker 1923-7-31 143 a Humboldt 6 mi s of Kneeland (and w of Iaqua, Booths Run); North Coast, Booths Run Comment
  UC13659  Montia parvifolia Chesnut and Drew 1888-7-10 Humboldt [Jamjan's] Comment
  HSC37855  Myosotis micrantha Peter Sorensen 1976-6-2 Humboldt Woodley Island, Humboldt Bay Comment
  RSA461902  Myrica californica H. E. McMinn 1931-6-28 2456 Humboldt Orick to Requa Comment
  HSC77925  Myriophyllum hippuroides Peter Steclel Nov 1977 Humboldt Growing in Prairie Lake Comment
  HSC48727  Myriophyllum sibiricum W. B. Strickland 1968-3-28 Humboldt McClellan Mtn. Rd., off Hwy. 36 above Bridgeville 457 Comment
  UCSB24729  Myriophyllum sibiricum Keefe, Joseph 1967-7-8 Humboldt east side of U.S. Highway 101; turnoff to Crannell Road; north of Eureka 6 Comment
  HSC91593  Narcissus tazetta E. Mackey 1986-7-21 Humboldt Patrick's Point State Park near Ceremonial Rock. Comment
  UC1152040  Nassella pulchra A. H. Murphy 1951-3-30 Humboldt along roadside near Mattole River Grange Hall; Mattole Valley Comment
  UC181244  Nassella pulchra Joseph P. Tracy 1914-5-14 4448 Humboldt Fort Seward Northern Coast Ranges (slopes) 121 Comment
  HSC45289  Navarretia capillaris Brad Klipfel 1973-6-10 293 Humboldt E face of Grogan's Hole, N Trinity Mtn. area Comment
  UC1198599  Navarretia intertexta Joseph P. Tracy 1916-6-20 4731 Humboldt Alder Point Northern Coast Ranges 152 Comment
  UC906686  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1947-7-5 17794 Humboldt Mud Springs , Mud Springs (Trinity Summit) 1371 Comment
  HSC81494  Navarretia mellita Thomas W. Nelson, Jane P. Nelson 1980-8-12 6235 Humboldt Logging roads S of Lundbar Hills 61 Comment
  UC198643  Navarretia tagetina Joseph P. Tracy 1916-6-19 4709 Humboldt Forks of Dobbyn Creek Northern Coast Ranges 182 Comment
  UC1222717  Navarretia viscidula Joseph P. Tracy 1950-6-23 18863 Humboldt 3 mi ne Alderpoint; Dobbyn Creek 213 Comment
  JEPS7595  Nemacladus capillaris Joseph P. Tracy 1930-7-10 8865 Humboldt Brannan Mt. 1219 Comment
  HSC13578  Nemophila menziesii var. atomaria D. E. Anderson 1962-3-4 1927 Humboldt About 2 mi. S of Trinidad Comment
  HSC43113  Nemophila menziesii var. menziesii Maralyn O'Meara 1974-5-14 363 Humboldt Beside Hwy. 299, 14.2 mi. E of Bridgeville Comment
  JEPS2987  Nemophila parviflora Lincoln Constance 1934-5-23 606 Humboldt se slope of mt. above Look Prairie (South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel River, above Look Prairie 365 Comment
  UC1239748  Nemophila parviflora Joseph P. Tracy 1914-6-14 4510 Humboldt near Hydesville; Northern Coast Region, near Hydesville 60 Comment
  HSC97499  Nemophila parviflora var. austiniae C. Witte 2007-5-21 50 Humboldt Board Camp Mountain. Forest Service Road 4N38. 1419 Comment
  UC146185  Nemophila pedunculata Joseph P. Tracy 1908-6 2700 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 457 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
  JEPS12381  Nicotiana quadrivalvis Joseph P. Tracy 1930-10-19 9223 Humboldt Alton to Fortuna (Eel River); Eel River 15 Comment
  JEPS12382  Nicotiana quadrivalvis Lincoln Constance 1934-6-18 896 Humboldt border North Dyerville Flat (near South Fork Railroad Station and P.O.); South Fork Eel River, Bull Creek Region Comment
  POM266039  Noccaea fendleri subsp. glauca Lincoln Constance, Reed C. Rollins 1942-5-12 2887 Humboldt Klamath River, 7 miles NE of Weitchpec. 122 Comment
  BLMAR149  Notholithocarpus densiflorus Donald Hazlett 1994-6-7 149 Humboldt King range, E-facing slope off horse mountain ridge 609 Comment
  HSC31494  Notholithocarpus densiflorus var. densiflorus Steve Selva, Roger Jensen 1974-8-27 83 Humboldt Along Hwy. 299, approx. 10 mi. E of Blue Lake Comment
  HSC68221  Notholithocarpus densiflorus var. densiflorus J. P. Smith, Steve Selva 1970-6-14 3852 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC20657  Nuttallanthus texanus R. J. Vernimen 1963-4-27 36 Humboldt 0.5 mi. off Samoa Rd., behind the Georgia-Pacific dump, 7.5 mi. SW of Arcata. Comment
  CDA26036  Oemleria cerasiformis R. Bennett 1976-7-2 Humboldt 505 Palmer Boulevard, Fortuna. 0 Comment
  HSC104317  Oemleria cerasiformis Richard Spjut 2008-6-14 16347 Humboldt North Coast Ranges; Old highway along west side of Hwy. 101 between Loleta and Fortuna 25 Comment
  HSC26343  Oemleria cerasiformis Thomas W. Nelson 1971-4-4 371 Humboldt Beside Hwy. 36 at Dinsmore Comment
  UC1198785  Oemleria cerasiformis Joseph P. Tracy 1923-4-1 6172 Humboldt Blue Lake; Northern Coast Ranges 60 Comment
  UC902147  Oemleria cerasiformis Joseph P. Tracy 1946-7-13 17617 Humboldt Carlotta; open flat by old Strong's District School House, 5 mi e of town 60 Comment
  HSC21579  Oenanthe sarmentosa Paul Shields 1955-6-16 Humboldt Humboldt State campus Comment
  HSC23225  Oenanthe sarmentosa Thomas O. Erickson 1971-10-28 1 Humboldt Luffenholtz Beach off Hwy. 101 N of Moonstone Comment
  POM271859  Oenothera glazioviana Lyman Benson 1928-7-10 428 Humboldt Clam Beach, Trinidad 46 Comment
  HSC16523  Oenothera glazioviana David K. Smith 1968-11-20 68 Humboldt At jct. of Old Arcata Rd. and Jacoby Creek Rd. Comment
  CDA38173  Oenothera villosa subsp. strigosa E. C. Whitney 1968-6-26 s.n. Humboldt 1440 Carson Woods Road. 0 Comment
  HSC12756  Oenothera villosa subsp. strigosa M. J. Athey 1970-10-12 10 Humboldt Trinidad, at the entrance to Luffenholtz Beach parking lot Comment
  HSC92715  Oenothera villosa subsp. strigosa D. K. Imper 1985-7-15 Humboldt About 1 mi. S of Orleans on E side of Hwy. 96 43 Comment
  CHSC70156  Oenothera wolfii David K. Imper 1987-7-26 Humboldt 2 mi. south of Cape Mendocino, next to Hwy 1, south side of Point called or near to Devils Gate. Along road. 4 Comment
  HSC102088  Oreostemma alpigenum var. andersonii M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 991 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  HSC98561  Orobanche uniflora Cara Witte 2008-6-15 733 Humboldt Coldspring Camp. 1410 Comment
  HSC62992  Orobanche uniflora David Wheeler 1979-5-24 153 Humboldt Gray's Falls above the Trinity River. Comment
  HSC102035  Orthilia secunda M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-13 938 Humboldt Forest edge surrounding Patterson Meadows 1566 Comment
  HSC55013  Orthilia secunda G. L. Clifton 1979-7-31 11395 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UC1197580  Orthilia secunda Joseph P. Tracy 1934-8-29 13626 Humboldt South Fork Mountain near McKay Camp 1676 Comment
  UC1197583  Orthilia secunda Joseph P. Tracy 1941-8-28 17045 Humboldt South Fork Mountain near McKay Camp 1706 Comment
  RSA80294  Orthocarpus faucibarbatus F. W. Peirson, Mabel B. Peirson 1923-7-11 3849 Humboldt 7 miles N of Arcata. Comment
  HSC102539  Orthocarpus imbricatus M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1525 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC34279  Orthocarpus imbricatus K. Irwin 1975-8-13 Humboldt N Trinity Mtn. area below Mill Creek Lakes Comment
  HSC56205  Orthocarpus imbricatus G. L. Clifton, Terry Griswold 1979-8-2 12197 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  BLMAR209  Osmorhiza berteroi Jennifer Anthony-Wheeler 1996-7-9 209 Humboldt Pilot ridge, growing throughout shady understory Comment
  UC642275  Osmorhiza occidentalis Joseph P. Tracy 1932-7-12 10471 Humboldt Brett Hole Trinity Summit (head) 1828 Comment
  HSC21587  Osmorhiza purpurea R. D. Zortman 1963-5-12 39 Humboldt 5 mi. NE of Arcata, S of the Mad River, off Warren Creek Rd. 91 Comment
  HSC79521  Oxalis corniculata Kenneth Clark 1980-3-1 516 Humboldt Middle alluvial terrace, Dead Man's Gulch, on terraces and along access trail to Dead Man's Gulch. 37 Comment
  CHSC19520  Oxalis oregana R. D. Modafferi 1965-5-1 66 Humboldt 0.5 mile south of Trinidad on old highway 101. Roadside. Comment
  CSUSB849  Oxalis oregana Keith Thompson 1972-3-27 Humboldt Maple Cr. 853 Comment
  HSC27893  Oxalis oregana Clifton Raymond Chesbrough 1973-6-19 65 Humboldt 0.25 mi. from Harris and T St. on U St. Comment
  JEPS43138  Oxalis oregana W. L. Jepson 1934-5-7 16696 Humboldt Bull Creek Comment
  SEINET3347662 Image available Oxalis oregana Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-8 15204 Humboldt Bolling Grove State Park; unspecified Comment
  HSC83368  Oxalis oregana R. W. Becking 1987-3-23 Humboldt Arcata, HSU campus, by steps behind NRS building Comment
  UC1103427  Oxalis oregana Joseph P. Tracy 1927-5-15 8044 Humboldt Sugar Bowl Mt., on rd between Willow Creek and Hoopa Northern Coast Ranges 457 Comment
  UCSB18740  Oxalis oregana Jensen, Karen 1965-4-15 Humboldt 0.2 miles W of U.S. Highway 101, at Miranda turnoff 91 Comment
  HSC89720  Oxalis pes-caprae Larry Levine, Manuel Pachero, , Robert Murphey 1989-2-24 3 Humboldt HSU campus, garden plot SE of Buck House 40 Comment
  UC1103423  Oxalis suksdorfii Joseph P. Tracy 1913-7-20 4375 Humboldt Berry's Ranch Northern Coast Ranges (Redwood Creek) 609 Comment
  HSC96581  Packera bolanderi var. bolanderi Gordon Leppig, Maralyn A. Renner 2005-6-7 2246 Humboldt Pacific Lumber Company land. Redwood House Rd., Hely Creek watershed 363 Comment
  UC418982  Packera bolanderi var. bolanderi H. E. and S. T. Parks May 1930 747 Humboldt near Blue Slide; Middle Van Duzen River Comment
  UC1145217  Panicum acuminatum var. acuminatum Joseph P. Tracy 1942-6-15 17153 Humboldt 1/2 mi ne Garberville; ne of Garberville 304 Comment
  UC526842  Panicum oligosanthes var. scribnerianum Joseph P. Tracy 1927-8-7 8314 Humboldt Trinity River Valley at Willow Creek; Northern Coast Ranges, Trinity River Valley, Willow Creek 152 Comment
  HSC12554  Parentucellia viscosa D. La Conte 1970-7-7 17 Humboldt Comment
  UCSB30624  Parentucellia viscosa Edwards, David 1974-8-14 Humboldt 3/4 mi. in on dirt road from jct. with Fickle Hill Rd. ca. 1/4 mi. E. of jct. of Park Ave. and Fickle Hill Rd.; where dirt road forks several ways. ca. 50 ft. S. of power line twr. Arcata 121 Comment
  HSC41014  Paxistima myrsinites J. P. Smith, J. O. Sawyer 1976-5-2 8636 Humboldt 8 mi. W of Loop Rd. on Hoopa Reservation along Redwood Creek-Hoopa Rd. Comment
  UC249517  Pectocarya pusilla Joseph P. Tracy 1922-4-30 5993 Humboldt near Willow Creek; Nothern Coast Ranges, Trinity River Valley 152 Comment
  BLMAR140  Pedicularis densiflora Donald Hazlett 1994-6-7 140 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  SEINET10548991  Pedicularis densiflora subsp. densiflora Jones 1985-4-20 Jones 21 A Humboldt T34n,r6e,sec.21. Burnt ranch campground, shasta-trinity ntl. Froest. Found at Entrance to campground 433 Comment
  HSC38091  Pellaea mucronata Thomas W. Nelson, James Nelson 1976-5-30 2612 Humboldt McKeown Ranch, N of Dinsmore. Comment
  UC1222463  Penstemon anguineus Joseph P. Tracy 1947-7-5 17817 Humboldt near Box Camp (Trinity Summit); , near Box Camp 1524 Comment
  UC41734  Penstemon anguineus Chesnut and Drew 1888-7-21 Humboldt S. Fork Mt. Comment
  UC577414  Penstemon anguineus Joseph P. Tracy 1936-7-5 15035 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  RSA21441  Penstemon anguineus Carl B. Wolf 1937-8-12 9205 Humboldt North Coast Range, South Fork Mt., Trinity Co line. 1585 Comment
  UC354474  Penstemon azureus var. angustissimus P. E. Goddard 1906-6 666 Humboldt Lasseck Pk. Comment
  UC1222426  Penstemon laetus var. sagittatus Joseph P. Tracy 1926-6-20 7645 Humboldt Horse Mountain 1432 Comment
  UC1222460  Penstemon laetus var. sagittatus Joseph P. Tracy 1935-7-29 14338 Humboldt near Ranger Station (Trinity Summit); Trinity Summit 1828 Comment
  UC577396  Penstemon laetus var. sagittatus Joseph P. Tracy 1935-7-14 14073 Humboldt Grouse Mountain North Coast Ranges, Grouse Mountain 1524 Comment
  UC585630  Penstemon laetus var. sagittatus Joseph P. Tracy 1937-7-2 15395 A Humboldt on ridge 2 mi e Grove's Prairie; Trinity summit, e of Grove's Prairie 1524 Comment
  SFV18589  Penstemon parvulus T. W. Nelson, J. P. Nelson 1987-6-11 8555 Humboldt Along Forest Road 13N01, 0.25 miles south of turn off to Onion Lake. 1098 Comment
  NY641283  Penstemon rattanii J. P. Tracy 1906-6-10 2480 Humboldt Kneeland Prairie 762.0 Comment
  JEPS26255  Penstemon rattanii Arthur E. Connick 1925-6-1 Humboldt hills near Stone Lagoon; hills near Stone Lagoon 60 Comment
  HSC70388  Pentagramma triangularis Gail Newton 1980-6-7 143 Humboldt Near Brush Mtn. 1128 Comment
  UCD137788  Pentagramma triangularis subsp. triangularis Linda M. Barker 1976-3-11 1329 Humboldt Coastal forest and dunes 3 miles west of Arcata. Comment
  SEINET200760  Perideridia gairdneri Joseph P. Tracy 1948-9-5 18167 Humboldt Happy Camp Mountain. In Trinity Summit Range 6 miles NE of Hawkins Bar. 1280 Comment
  JEPS146  Perideridia gairdneri subsp. gairdneri W. L. Jepson 1936-8-17 17918 Humboldt hillside 2 mi s Field's Landing Comment
  JEPS22585  Perideridia gairdneri subsp. gairdneri Joseph P. Tracy 1941-8-24 17038 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  HSC17527  Persicaria maculosa Lincoln Constance 1934-6-12 861 Humboldt N bank of S Fork Eel River, Bull Creek Rd. Comment
  HSC25526  Persicaria maculosa Norman Dennis 1965-6-8 109 Humboldt Samoa Peninsula along W side of Humboldt Bay Comment
  HSC6053  Petasites frigidus var. palmatus V. G. Vieira 1963-3-30 38 Humboldt Mad River Comment
  UC1070054  Petasites frigidus var. palmatus R. Stahelin 1933-5-15 Humboldt Freshwater Eureka Quad. Comment
  UC1223042  Petasites frigidus var. palmatus Joseph P. Tracy 1947-2-23 17670 Humboldt near Grizzly Creek; Van Duzen River 91 Comment
  HSC97931  Petrorhagia dubia Cara Witte 2007-6-14 272 Humboldt Along National Forest 1. Near Kinsey Ridge and cattle guard. 3 miles north of intersection with 4N09. 1393 Comment
  UC1199101  Phacelia Joseph P. Tracy 1948-5-31 18022 Humboldt Blocksburg 518 Comment
  JEPS1444  Phacelia bolanderi Lincoln Constance 1934-5-26 687 Humboldt s end Dyerville Bridge; South Fork Eel River, Bull Creek region 45 Comment
  BLMAR632  Phacelia ciliata Jennifer Wheeler 2011-6-15 632 Humboldt Lacks Creek, Pine Ridge Road 1097 Comment
  UC176055  Phacelia egena Joseph P. Tracy 1913-6-25 4337 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC562571  Phacelia egena Joseph P. Tracy 1929-4-28 8550 Humboldt Willow Creek Trinity River Valley 152 Comment
  BLMAR633  Phacelia heterophylla subsp. virgata Jennifer Wheeler 2011-6-15 633 Humboldt Lacks Creek, Junction of midslope road, firewood cutting area road and Pine Ridge Road 957 Comment
  HSC98658  Phacelia heterophylla subsp. virgata Cara Witte 2007-7-3 416 Humboldt Along National Forest 1. 1/4 mile north of Road V. 1268 Comment
  HSC74475  Phacelia mutabilis Gail Newton 1980-7-23 1754 Humboldt Near Packsaddle Ridge 1463 Comment
  UC1222900  Phacelia mutabilis Joseph P. Tracy 1950-6-15 18778 Humboldt 5 mi n Harris; Mail Ridge Comment
  POM259083  Phalaris aquatica J. T. Howell 1937-7-31 13721 Humboldt 4 miles north of Loleta Comment
  UC1152047  Phalaris californica Joseph P. Tracy 1951-7-27 19630 Humboldt near Redcrest Englewood Comment
  CAS-BOT-BC250685  Phalaris paradoxa W. A. Silveus 1931-6-9 2990 Humboldt Dyerville Comment
  HSC48327  Philadelphus lewisii Maralyn O'Meara 1974-5-18 500 Humboldt Fisher Rd. near Carlotta Comment
  UC161489  Philadelphus lewisii Joseph P. Tracy 1911-7-5 3318 Humboldt Willow Creek Northern Coast Ranges (near its mouth, creek is tributary of Trinity River) 304 Comment
  UC161560  Philadelphus lewisii Joseph P. Tracy 1911-7-5 3318 Humboldt Willow Creek Northern Coast Ranges (near its mouth, creek is a tributary of Trinity River) 304 Comment
  UC615281  Philadelphus lewisii Beryl O. Schreiber 1932-7-12 372 Humboldt near Klamath Comment
  UCSB25252  Philadelphus lewisii Tracy, Joseph 1937-6-20 Humboldt Bear River; 10 mi up from the mouth 152 Comment
  UC1145044  Phleum pratense Joseph P. Tracy 1947-8-24 17899 Humboldt Meadow at Box Camp Trinity Summit 1463 Comment
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Aug 5 2009
  UCD89642  Phleum pratense Joseph P. Tracy 1948-8-8 18089 Humboldt Lagna, near the school house. 609 Comment
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Jun 16 2013
  HSC35709  Phlox adsurgens Thomas W. Nelson, B. Reinhardt 1975-7-30 2092 Humboldt Grouse Creek side of Last Chance Ridge. Comment
  UC1222710  Phlox adsurgens Joseph P. Tracy 1950-7-2 18965 Humboldt 6 mi ne Hawkins Bar; Trinity Summit Range, Happy Camp Mountain 1280 Comment
  UC1326260  Phlox adsurgens Milo S. Baker 1947-8-10 11944 Humboldt 15 mi ne Hoopa (near end of forest road) 1371 Comment
  UC905634  Phlox adsurgens David D. Keck 1948-7-2 6003 Humboldt 0.25 mi w boundary of Six Rivers National Forest (8.6 mi w of Willow Creek, e of Berry's summit, e side of Rocky Ridge); Rocky Ridge 762 Comment
  HSC56182  Phlox diffusa Gilbert Muth 1979-8-1 12102 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1877 Comment
  UC1541553  Phlox gracilis H. E. Parks, J. P. Tracy 1930-5-25 795 Humboldt Laribee Valley 762 Comment
  UC604637  Phlox gracilis Joseph P. Tracy 1938-6-13 15923 Humboldt Cold Springs Grouse Mountain 1432 Comment
  RSA683018  Phyllospadix scouleri R. Setzer 1972-7-29 7010 Humboldt Palmer Point; Patrick s Point State Park. Comment
  UC535001  Phyllospadix torreyi H. E. Parks 1933-11-12 Humboldt Spruce Cove Trinidad Comment
  UCSB2830  Physocarpus capitatus Phillips, Priscilla 1958-6-9 Humboldt Biship Pina Lodge, 2 mi. n. of Trinidad Comment
  CAS-BOT-BC73445  Picea sitchensis Carl B. Wolf 1930-10-28 1037 Humboldt 5 miles south of Ferndale on road to Petrolia. 152 Comment
  POM281983  Picea sitchensis Lyman Benson 1928-7-10 445 Humboldt Dunes at Clam Beach, Arcata to Trinidad. 15 Comment
  HSC95835  Pinus contorta var. contorta Will Ferrand 2002-4-27 36 Humboldt 300 ft W of intersection of Samoa Blvd. and Lupine Dr. 9 Comment
  POM21765  Pinus contorta var. contorta L. R. Abrams 1916-7-18 6074 Humboldt Arcata to Trinidad. 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
  HSC72797  Pinus monticola Gail Newton 1980-6-17 206 Humboldt Near Onion Mtn. 1341 Comment
  CAS-BOT-BC78982  Pinus muricata Doris K. Kildale 1927-3-19 2941 Humboldt Luffenholtz Creek near Trinidad Comment
  HSC31514  Pinus muricata Steve Selva, Roger Jensen 1974-8-21 32 Humboldt E bank of Hwy. 101 opposite rest stop, 2 mi. N of Trinidad Comment
  CAS-BOT-BC78980  Pinus muricata Robert M. Specht 1977-11-20 1190 Humboldt near highway 101, along Georgia Pacific's A-line 182 Comment
  CAS-BOT-BC79031  Pinus ponderosa Doris K. Kildale 1927-5-5 3108 Humboldt Elk Ridge Comment
  POM21740  Pinus sabiniana M. H. Manning 1902-05 340 Humboldt Hupa. Comment
  UC63995  Pinus sabiniana Mrs. M. H. Manning Apr 1 1902-May 1 1902 Humboldt Hupa Comment
  CAS-BOT-BC136469  Piperia candida L. R. Abrams 1916-7-11 5986 Humboldt Field redacted by CAS, contact the data manager for more information Comment
  UC1196412  Piperia unalascensis Joseph P. Tracy 1926-5-30 7521 Humboldt Willow Creek Canyon Northern Coast Ranges 609 Comment
  HSC75440  Plagiobothrys hispidulus J. O. Sawyer 1980-7-18 3594 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  CAS-BOT-BC228213  Plagiobothrys hispidulus Joseph P. Tracy 1935-7-25 14226 Humboldt Klamath Mountains, Trinity Summit. At Corral Prairie 1524 Comment
  UC526823  Plagiobothrys reticulatus Joseph P. Tracy 1923-6-20 6340 Humboldt Miranda North Coast Ranges, Miranda 91 Comment
  UCD120867  Plagiobothrys reticulatus Joseph P. Tracy 1946-5-30 17541 Humboldt Riverside Park and Carlotta, by old Strong's District School House, 5 miles east of town. 60 Comment
  JEPS60992  Plagiobothrys reticulatus var. rossianorum Joseph P. Tracy 1932-6-26 10274 Humboldt Fort Baker Ranch North Coast Ranges 762 Comment
  UC54757  Plagiobothrys tenellus Harley P. Chandler May, 1901 1087 Humboldt Harris 609 Comment
  UC1180486  Plagiobothrys tenellus Robert Ornduff 1960-6-1 6179 Humboldt meadow on high ridge about 3 mi e Garberville (on road to Alder Point) Comment
  UCD124391  Plantago coronopus Stuart K. Harris 1930-10-14 6982 Humboldt near Palmer Creek, 1 mile west of Fortuna. 15 Comment
  HSC55273  Plantago lanceolata Overton, Butler 1979-8-2 12653 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  HSC73154  Plantago lanceolata M. A. Baker 1980-5-18 1301 Humboldt Near Black Mtn. 1006 Comment
  UC1222346  Plantago lanceolata Joseph P. Tracy 1951-6-23 19512 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC16841  Plantago lanceolata D. E. Anderson 1961-8-25 1746 Humboldt 1.5 mi. S of Trinidad Comment
  HSC71216  Plantago maritima Thomas W. Nelson, Doris K. Niles 1979-5-19 4692 Humboldt Tidal marsh at mouth of Eel River, Crab Park, N of County Park. Comment
  SJSU11078  Plantago maritima H. T. Harvey 1977-7-5 602 Humboldt Elk R Spit, Humboldt Bay Comment
  HSC79381  Plantago maritima Kenneth Clark 1980-5-10 642 Humboldt Shelter Cove, bluffs of Point Delgada. 5 Comment
  POM312368  Plantago maritima Malcolm A. Nobs, S. Galen Smith 1949-8-3 1205 Humboldt 2 miles north of Eureka, bordering Humboldt Bay. Comment
  HSC54017  Platanthera dilatata var. leucostachys Griswold, Butler 1979-7-12 7161 Humboldt Near Groves Prairie, close to the town of Willow Creek. 1256 Comment
  UCR37808  Platanthera dilatata var. leucostachys T. Jimerson, J. Pageau 1979-10-8 727 Humboldt Near Tish Tang A Tang Ridge close to the town of Hoopa Comment
  RSA382868  Platanthera leucostachys Brad W. Klipfel 1973-7-31 255 Humboldt Along ridge trail south east of North Trinity Mountain 1829 Comment
  UC146098  Platystemon californicus Joseph P. Tracy 1904-5-1 2046 Humboldt near Bucksport (region about Humboldt Bay); Northern Coast Region, region about Humboldt Bay 0 Comment
  JEPS4809  Plectritis brachystemon W. L. Jepson 1934-5-7 16698 Humboldt Buckeye Prairie, Bull Creek Bull Creek; Buckeye Prairie, Bull Creek Comment
  HSC57304  Pleuropogon refractus G. L. Clifton 1979-7-31 11859 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  UCD90108  Pleuropogon refractus Joseph P. Tracy 1951-6-26 19560 Humboldt halfway between Snow Camp and Twin Lakes (at Charley Preston's old gate near the road.) Comment
  CAS-BOT-BC254897  Poa bulbosa Henry M. Pollard 1948-7-17 s.n. Humboldt Banks of Klamath River, Orleans Comment
  CAS-BOT-BC255118  Poa confinis Joseph P. Tracy 1927-6-26 8209 Humboldt Stone Lagoon 6 Comment
  UC1132657  Poa douglasii H. S. Yates 1936-6-18 5725 Humboldt near mouth Little River; Eureka Quadrangle Comment
  UC207680  Poa douglasii Joseph P. Tracy 1917-5-30 4798 Humboldt at Little River Ocean Beach; Northern Coast Region Comment
  UC525621  Poa douglasii Joseph P. Tracy 1933-5-20 12224 Humboldt s of point of the Cape Cape Mendocino 3 Comment
  UC926034  Poa douglasii A. S. Hitchcock 1915-7-13 1238 Humboldt Eureka Comment
  UCR80242  Poa douglasii J. P. Smith, Thomas W. Nelson 1977-6-30 9223 B Humboldt North Coast, Samoa Peninsula just east of the drag strip 6 Comment
  SEINET11683183  Poa douglasii K. S. Erdman 1970-1 4801 Humboldt mouth of Ossagon Creek on Gold Beach Rd 2 mi W of US 101 (Redwood N.P.) Comment
  HSC10718  Poa howellii J. P. Tracy 1926-5-15 7490 Humboldt Kneeland Prairie. Comment
  UC60806  Poa howellii Joseph Burtt Davy and Walter C. Blasdale 1899-6-9 5359 B Humboldt near Harris Harris Comment
  RSA10115  Poa kelloggii Joseph P. Tracy 1926-4-25 7415 Humboldt Grizzly Creek on Van Duzen River 91 Comment
  RSA183645  Poa kelloggii D. E. Anderson 1965-5-6 3622 Humboldt 4.8 miles west of bridge over North Fork of Mad River, along Hw. 299. Alder bench below highway backslope Comment
  HSC10692  Poa macrantha J. W. Johnson 1961-9-10 1111 Humboldt Arcata, Christenson Farm, Samoa Peninsula. Comment
  LA12558  Poa macrantha S. K. Harris; 1936-6-15 3383 Humboldt Trinidad Head Comment
  RSA152300  Poa macrantha Joseph P. Tracy 1917-5-30 4799 Humboldt Ocean Beach at mouth of Little River Comment
  RSA603828  Poa macrantha D. D. Keck, Jens Clausen 1935-6-16 3382 Humboldt Mouth of Little River. Comment
  CAS-BOT-BC255941  Poa pratensis Joseph Burtt Davy; Walter C. Blasdale 1899-6-16 5554 Humboldt Scotia Comment
  HSC10749  Poa pratensis J. R. Eichelberger 1964-5-13 86 Humboldt S end of Mad River Bridge on Hwy. 101 Comment
  UC1103181  Poa pratensis subsp. pratensis Joseph P. Tracy 1913-6-19 4206 Humboldt opposite Buck Mt (Dinsmore's Ranch); Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC1565801  Poa secunda subsp. juncifolia R. Spellenberg 1990-7-10 10247 Humboldt 8 mi wsw Salyer (at 6 mi s of Berry Summit (on CA Hwy 299), extreme e edge of county) 1371 Comment
  HSC70904  Poa secunda subsp. secunda R. York 1980-5-18 598 Humboldt Near Black Mountain 792 Comment
  UCD90884  Poa secunda subsp. secunda J. B. Davy; W. C. Blasdale 1899-6-19 5660 Humboldt Hoopa Summit. Comment
  UC1145116  Poa trivialis Joseph P. Tracy 1943-7-18 17435 Humboldt Big Lagoon 9 Comment
  UC1103182  Poa unilateralis Joseph P. Tracy 1904-5-1 2050 Humboldt bluff near Bucksfort; Northern Coast Ranges, Humboldt Bay 0 Comment
  UC1116249  Pogogyne zizyphoroides Joseph P. Tracy 1946-5-30 17544 Humboldt Carlotta, open flat by old Strong's District School House 5 miles east of town 60 Comment
  CAS-BOT-BC232887  Polemonium carneum Carl B. Wolf 1937-6-17 8881 Humboldt Big Lagoon, S side at W of Redwood Highway 6 Comment
  HSC94145  Polycarpon tetraphyllum Gordon Leppig 2000-12-6 1522 Humboldt 13th and A St. in Arcata 49 Comment
  BLMAR196  Polygala californica Donald Hazlett 1994-6-7 196 Humboldt King range, near horse Mt. Ridge rd 670 Comment
  UC17439  Polygala californica C. C. Marshall 1888-1 Humboldt Eel River Region Comment
  UC535763  Polygala californica Eleanor Armstrong 1934-5-18 Humboldt Richardson Grove Comment
  CAS-BOT-BC167572  Polygala cornuta var. cornuta Henry M. Pollard 1946-8-11 s.n. Humboldt Perch Creek, Orleans region Comment
  UC1198073  Polygonum bistortoides Joseph P. Tracy 1908-6-8 2643 Humboldt Kneeland Prairie Northern Coast Ranges (near Hurley's) 762 Comment
  UC184021  Polygonum bistortoides Joseph P. Tracy 1913-6-17 4151 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (nw slope of mt.) 1066 Comment
  UC30051  Polygonum convolvulus Chesnut and Drew 1888-7-28 Humboldt Grouse Creek Comment
  HSC76039  Polygonum douglasii Overton, Butler 1979-8-2 12577 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC672944  Polygonum paronychia Joseph P. Tracy 1927-1-15 7836 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC1198095  Polygonum parryi Joseph P. Tracy 1912-7-31 3910 Humboldt Burr Valley Northern Coast Ranges, Buck Mountain (on nw slope of mt., along streamlet) 1066 Comment
  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
  HSC103385  Polygonum phytolaccifolium K. Auker, R. Battleson 2007-6-15 13 Humboldt Grouse Mtn.; along Forest Service Road 5N04, 1.0 mi. E of FS Road NF1. 1494 Comment
  UC203953  Polygonum polystachyum Joseph P. Tracy 1918-9-1 5096 Humboldt Newells Camp Northern Coast Ranges (on Kneeland Road) 457 Comment
  UC672933  Polygonum polystachyum Joseph P. Tracy 1940-10-18 16775 Humboldt Eureka 30 Comment
  UC1222467  Polygonum sawatchense subsp. oblivium Joseph P. Tracy 1933-8-30 13023 Humboldt Grouse Mountain 1524 Comment
  HSC98687  Polygonum sawatchense subsp. oblivium Cara Witte 2007-7-5 420 Humboldt National Forest 1. 1.5 miles southeast of Forest Service Road 5N09. 1578 Comment
  JEPS19017  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  POM118352  Polypodium glycyrrhiza Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  UCD136882  Polypodium glycyrrhiza M. Wiesendanger 1928-4-7 902 Humboldt Redwood Highway, Lane's Redwood Flat, probably the Franklin K. Lane Grove. Comment
  SDSU3597  Polypodium glycyrrhiza H. E. Parks 1924-6-1 2837 Humboldt Lawrence Creek, on trees. Comment
  UC163333  Polypodium glycyrrhiza J. P. Tracy 1909-10-7 3113 Humboldt near Redwood Creek Redwood Creek; Bald Hills 609 Comment
  UCSB29329  Polypodium glycyrrhiza Phelps, M. 1972-3-22 Humboldt 1000 yds. east of Whitehom turnoff, along Shelter Cove Rd. 304 Comment
  CAS-BOT-BC72088  Polypodium scouleri John Thomas Howell 1954-4-25 29159 A Humboldt Trinidad Head Comment
  HSC1130  Polypodium scouleri W. R. Supernaugh, Jr. 1964-12-11 14 Humboldt 300 yards S of Trinidad Harbor 9 Comment
  HSC26462  Polypodium scouleri T. O. Osborne 1970-4-8 16 Humboldt Sugarloaf Rock, Cape Mendocino 61 Comment
  UCSB30619  Polypodium scouleri Edwards, David 1974-9-2 Humboldt Ca. 100 ft. up facing slope from dirt road, ca. 100 yds. from its jet. with Fickle Hill Rd 121 Comment
  CAS-BOT-BC233070  Polypogon interruptus Kenneth Clark 1980-5-10 645 Humboldt Shelter Cove, On coastal bluffs of Point Delgada Comment
  CAS-BOT-BC233215  Polypogon maritimus Joseph P. Tracy 1930-10-19 9236 Humboldt Eel River, Alton to Fortuna 15 Comment
  UC552696  Polypogon maritimus Joseph P. Tracy 1934-7-9 13351 Humboldt Dobbyn Creek; Northern Coast Ranges, Dobbyn Creek 152 Comment
  UCD91383  Polypogon monspeliensis Joseph P. Tracy 1942-6-15 17144 Humboldt Redwood Creek, opposite Redway on South Fork and Eel River. 91 Comment
  CAS-BOT-BC237457  Polypogon viridis Joseph P. Tracy 1926-7-4 7697 Humboldt Trinity River Valley, near the South Fork Comment
  UC519315  Polystichum Joseph P. Tracy 1933-10-15 13101 Humboldt along S Fork Eel River Miranda; North Coast Ranges 91 Comment
  HSC46091  Polystichum imbricans J. P. Smith, Steve Selva 1970-6-14 3814 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  HSC72980  Polystichum imbricans Gail Newton 1980-7-15 1578 Humboldt Near Sims Mtn. 1311 Comment
  HSC76326  Polystichum imbricans Denis Kearns 1981-7-21 296 Humboldt Near Whiteys Peak 1585 Comment
  UCD39987  Polystichum imbricans subsp. curtum Rodney Gale Myatt 1971-9-22 1198 B Humboldt Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  HSC99526  Polystichum lonchitis K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-28 190 Humboldt Near North Trinity Mtn, along trail to Water Dog Lakes, Six Rivers National Forest. 1372 Comment
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May 14 2014
  RSA46705  Polystichum munitum Doris K. Kildale 1928-12-29 6764 Humboldt Stevens Grove Comment
  UC1196665  Populus trichocarpa Joseph P. Tracy 1928-10-21 8521 Humboldt Van Duzen River near Hydesville; Northern Coast Ranges, Van Duzen Range 30 Comment
  UC1103510  Potamogeton foliosus Joseph P. Tracy 1940-10-17 16774 Humboldt 2 to 5 mi e of South Fork (Camp Grant); Eel River 45 Comment
  UC60858  Potamogeton natans W. C. Blasdale June, 1896 Humboldt near Graham's Ranch (on Mad River); Mad River Comment
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Sep 17 2012
  CAS-BOT-BC454066  Potamogeton pusillus subsp. pusillus S. K. Harris 1938-9-12 s.n. Humboldt Backwater of Eel River, near Fernbridge Comment
  CAS-BOT-BC143080  Potentilla anserina subsp. pacifica Doris K. Kildale 1926-6-25 2178 Humboldt Big Lagoon Comment
  CAS-BOT-BC143071  Potentilla anserina subsp. pacifica Carl B. Wolf 1937-9-12 9326 Humboldt Dry Lagoon State Park 4 Comment
  HSC102525  Potentilla drummondii M. R. Mesler, Robin Bencie, Ian Zacher 2013-6-28 1512 Humboldt Bret Hole. 1.1 km SW of Trinity Summit 1106 Comment
  HSC82396  Potentilla drummondii Thomas W. Nelson 1979-7-11 5010 Humboldt N Trinity Mtn. and ridge to E. 1829 Comment
  CAS-BOT-BC158491  Potentilla gracilis var. gracilis Alice Eastwood; John Thomas Howell 1937-6-23 4849 Humboldt Kneeland Comment
  HSC97528  Prosartes hookeri Frances Reuss Harmon 2001-3-31 15 Humboldt Six Rivers National Forest, Gray Falls picnic area Comment
  UC1541658  Prunella vulgaris Harold E. Parks May 1933 4309 Humboldt Spruce Cove Trinidad; Spruce Cove Comment
  HSC98985  Prunella vulgaris Cara Witte 2007-7-3 410 Humboldt Brays Opening on National Forest 1. 1/2 mile north of intersection with 4N38. 1392 Comment
  HSC48828  Prunus emarginata Brad Klipfel, J. P. Smith, J. O. Sawyer 1973-5-27 42 Humboldt Grogan's Hole near N Trinity Mtn. 1829 Comment
  HSC58063  Prunus emarginata G. L. Clifton, Griswold 1979-8-1 11940 Humboldt Near Mill Creek Lakes, close to the town of Hoopa. 1692 Comment
  POM160879  Prunus emarginata Joseph P. Tracy 1923-4-15 6195 Humboldt Hungry Hollow on Bald Mt. Comment
  UC169340  Pseudognaphalium californicum Joseph P. Tracy 1912-7-21 3769 Humboldt Alton Northern Coast Region of California, Alton 30 Comment
  HSC99584  Pseudognaphalium canescens subsp. thermale K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-8-10 249 Humboldt Near North Trinity Mtn, Government Trail, near Box Camp, Six Rivers National Forest. 1460 Comment
  HSC37671  Pseudognaphalium luteoalbum R. Sutherland 1976-8-13 30 .13876 Humboldt In mouth of Redwood Creek at S Fork of Eel River 87 Comment
  CAS-BOT-BC357605  Pseudognaphalium stramineum L. R. Abrams 1922-6-25 8223 Humboldt 6 mi north of Garberville Comment
  HSC5705  Pseudognaphalium stramineum W. D. Stevens 1967-7-22 60 Humboldt Above the dirt road from old Hwy. 101 to the top of the N bank of the Mad River Comment
  HSC74454  Pseudognaphalium thermale Gail Newton 1980-8-10 2008 Humboldt Near Blake Mtn. 1798 Comment
  UC502911  Pseudotsuga menziesii Joseph P. Tracy Jul 16 1930-Jul 19 1930 8960 Humboldt near McKay Camp; South Fork Mountain 1676 Comment
  JEPS48296  Pseudotsuga menziesii var. menziesii Lincoln Constance 1934-5-24 643 Humboldt lower Look Prairie Bull Creek Region 121 Comment
  UC55958  Pseudotsuga menziesii var. menziesii J. P. Tracy 1901-4-26 1058 Humboldt immediate vicinity of Eureka 0 Comment
  UC709421  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1941-4-11 16859 Humboldt Willow Creek Canyon; along Trinity Highway 609 Comment
  UC165838  Psilocarphus oregonus Joseph P. Tracy 1908-6 2798 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  OBI15564  Psilocarphus tenellus Joseph P. Tracy 2017-5-27 4783 Humboldt Northern Coast Ranges. Eureka 61 Comment
  SEINET4207976  Psoralea physodes Thomas Nelson, Jane Nelson 1977-7-1 3573 Humboldt Growing on dry road cut along road 2S08 below Goat Hill.; 0 1524 Comment
  HSC55135  Pteridium aquilinum var. pubescens G. L. Clifton, Griswold 1979-8-1 11978 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  SD42987  Pteridium aquilinum var. pubescens Edith A. Purer 1932-7-27 Humboldt Samoa Comment
  UCD136153  Pteridium aquilinum var. pubescens Linda M. Barker 1976-5-13 1480 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  RSA275352  Pteridium aquilinum var. pubescens J. P. Smith, Steve Selva 1970-6-14 3855 Humboldt Along Calif. 96 at Whitmore Creek. 152 Comment
  UC672932  Pterostegia drymarioides Joseph P. Tracy 1933-5-20 12226 Humboldt s point of cape; Cape Mendocino 3 Comment
  JEPS58845  Pyrola aphylla W. L. Jepson 1902-7-13 2023 Humboldt Willow Creek to Hupa Comment
  HSC69767  Pyrola aphylla Thomas W. Nelson, Jane Nelson 1977-9-3 3715 Humboldt J.E. Losey property above junction of Kneeland-Maple Creek Rd. 671 Comment
  POM209002  Pyrola bracteata Lincoln Constance 1934-6-8 835 Humboldt Cow Cr. fire-trail, Bull Cr. watershed, Humboldt Redwood Park. 457 Comment
  JEPS66565  Pyrola crypta Joseph P. Tracy Jul 16-19 1930 9033 Humboldt South Fork Mountain; in fir forest near McKay Camp 1676 Comment
  HSC74286  Pyrola dentata M. A. Baker 1980-7-11 2780 Humboldt Near Red Mtn. 1341 Comment
  UC1225899  Pyrola picta Joseph P. Tracy 1947-7-9 17854 Humboldt Horse Mountain 1432 Comment
  UC412726  Pyrola picta P. E. Goddard Jun 1 1906-Jul 1 1906 687 Humboldt Blocksburg Comment
  UC412735  Pyrola picta Mrs. M. H. Manning 1900-1 Humboldt near Hupa Comment
  CAS-BOT-BC62674  Quercus chrysolepis Doris K. Kildale 1927-5-15 3303 Humboldt Petrolia Comment
  UC1196531  Quercus chrysolepis Joseph P. Tracy 1921-8-21 5938 Humboldt near Willow Creek (at mouth of South Fork of Trinity); Northern Coast Ranges, Trinity River Valley 152 Comment
  UC1196532  Quercus chrysolepis Joseph P. Tracy 1916-9-5 4775 Humboldt 4 mi above Mouth of South Fork of Eel River; Northern Coast Ranges, South Fork of Eel River 60 Comment
  SEINET10970825  Quercus chrysolepis Jones 1985-6-6 Jones 112 Humboldt T34n,r4e,sec.14. Titlow rd. Ca 8 miles s off hwy. Pinus, arbutus, querus Chrysolepis, quercus vaccinifolia habitat 1143 Comment
  CAS-BOT-BC94310  Quercus garryana Joseph P. Tracy 1941-3-26 16845 Humboldt South Fork of Trinity River: mountain slopes W of its mouth Comment
  CAS-BOT-BC94312  Quercus garryana Doris K. Kildale 1926-8-31 2603 Humboldt Union Mattola, Geo. Miner Ranch Comment
  CAS-BOT-BC94317  Quercus garryana H. E. McMinn 1922-8-5 352 Humboldt Along Van Duzen River Comment
  HSC53996  Quercus garryana Griswold, Butler 1979-7-11 7083 Humboldt Near Twin Lakes, close to the town of Willow Creek 1417 Comment
  UC1193248  Quercus garryana K. Cuff 1950-10-10 127 Humboldt 1.5 mi n Honeydew 152 Comment
  UC915707  Quercus garryana W. L. Jepson 1903-6-17 47 Humboldt Briceland Comment
  UCD46102  Quercus garryana var. garryana Joseph P. Tracy 1935-10-6 14753 Humboldt Kneeland Prairie. 762 Comment
  CAS-BOT-BC105161  Quercus kelloggii Doris K. Kildale 1926-4-11 1759 Humboldt Bridgeville 228 Comment
  HSC68607  Quercus kelloggii Jacqueline Greenleaf 1980-8-12 329 Humboldt Near Becker Cabin. 1143 Comment
  HSC8262  Quercus kelloggii Doris K. Kildale 1926-7-25 2432 Humboldt Briceland Bridge, 1/2 mi. W of Garberville 114 Comment
  RSA624390  Quercus kelloggii Louis C. Wheeler 1952-9-14 6931 Humboldt [No location information on label.] Comment
  UCD165093  Quercus parvula var. shrevei Lois W. Weeth; Kerry Heise and John M. Tucker 2003-10-21 s.n. Humboldt 49.5 mi. from Garberville along Alderpoint Rd. near the intersection with Highway 36. (Coordinates and elevation estimated by label maker.) 215 Comment
  HSC75961  Quercus sadleriana Overton, Butler 1979-8-2 12593 Humboldt Near Bret Hole, close to the town of Hoopa 1554 Comment
  UC1083222  Quercus vacciniifolia Herbert L. Mason 1932-7-21 7108 Humboldt on road from Arcata to Weaverville (e slope of Southfork Mountains); Southfork Mountains Comment
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Oct 6 2006
  UCD19481  Ranunculus John M. Tucker 1948-9-4 1864 Humboldt Ferndale, Humboldt County Fair Grounds. Comment
  UC1103013  Ranunculus alismifolius var. alismellus Joseph P. Tracy 1932-7-15 10588 Humboldt ridges e Corral Prairie; Klamath Mountains, Trinity Summit 1828 Comment
  HSC34119  Ranunculus alismifolius var. hartwegii J. O. Sawyer 1971-6-16 2386 Humboldt Headwaters of Tish Tang a Tang Creek 1829 Comment
  HSC36067  Ranunculus aquatilis R. Hager May 1962 Humboldt Turner Draw near Arcata Comment
  HSC74708  Ranunculus aquatilis var. aquatilis Gail Newton 1981-8-6 2400 Humboldt Near Humbug Creek 1256 Comment
  CAS-BOT-BC379174  Ranunculus aquatilis var. aquatilis Elizabeth Parsons Hawver 1915-6-1 s.n. Humboldt Carlotta Comment
  UC118293  Ranunculus aquatilis var. hispidulus W. W. Price 1890-6-30 Humboldt Jarnigans Comment
  HSC18134  Ranunculus californicus var. californicus R. J. Vernimen 1963-5-11 56 Humboldt 0.5 mi. off Samoa Rd. behind Georgia-Pacific dump, 7.5 mi. SW of Arcata Comment
  HSC45061  Ranunculus californicus var. californicus R. Sutherland 1978-4-23 6 .23478 Humboldt 718 Comment
  HSC18143  Ranunculus californicus var. cuneatus W. A. Heaton 1965-4-10 26 Humboldt 0.5 mi. N of Trinidad State Park Comment
  UC1103010  Ranunculus flammula Joseph P. Tracy 1930-8-3 9149 Humboldt pond near Little Van Duzen River; Northern Coast Ranges, Buck Mountain 762 Comment
  HSC18151  Ranunculus muricatus J. R. Good 1964-5-13 47 Humboldt End of Lanphere Rd. Comment
  HSC99092  Ranunculus occidentalis var. occidentalis Cara Witte 2008-7-2 824 Humboldt Board Camp Mountain. Forest Service Rd. 4N38. Approximately 1 mile south of 4N38 and National Forest 1 intersection. 1416 Comment
  JEPS79962  Ranunculus repens Joseph P. Tracy 1918-4-7 4868 Humboldt Little River Northern Coast Ranges (mouth) 30 Comment
  HSC39445  Ranunculus repens var. repens Linda M. Barker 1976-6-1 1555 Humboldt 3 mi. W of Arcata Comment
  HSC18203  Ranunculus repens var. repens Richard Steele 1962-5-1 20 Humboldt Arcata, 0.5 mi. W of HSC campus 15 Comment
  HSC36226  Ranunculus repens var. repens John Rehling 1975-4-21 51 Humboldt Along Jolly Giant Creek E of HSU campus Comment
  UC1196274  Ranunculus uncinatus Joseph P. Tracy 1922-6-5 6085 Humboldt Patrick's Point Northern Coast Ranges 30 Comment
  UC503040  Ranunculus uncinatus Joseph P. Tracy 1928-4-29 8419 Humboldt Prairie Creek Northern Coast Ranges 152 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
  POM118711  Ranunculus uncinatus var. parviflorus Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia. Comment
  HSC6887  Raphanus sativus S. J. Hawks 1965-4-3 12 Humboldt W of Eureka City Airport Comment
  POM246499  Rhamnus californica Carl B. Wolf 1934-6-30 5842 Humboldt Back of Shelter cove. 61 Comment
  JEPS42055  Rhamnus purshiana Lincoln Constance 1934-6-19 917 Humboldt near Grasshopper Peak summit; South Fork Eel River, Bull Creek Region 914 Comment
  HSC7832  Rhododendron columbianum D. E. Anderson 1961-9-13 1804 Humboldt Big Lagoon County Park Comment
  CAS-BOT-BC56609  Rhododendron macrophyllum C. B. Wolf 1931-8-29 2370 Humboldt Near summit of Orick Hill on road to Weitchpec 304 Comment
  RSA257015  Rhododendron macrophyllum Gary D. Wallace 1971-7-29 950 Humboldt Prairie Creek Redwoods St. Pk. along Zig Zag Trail #3 of Hwy. 101. Comment
  SDSU3417  Rhododendron macrophyllum D. F. Howe 1961-8-2 3120 Humboldt 7.7 miles east of Orick and Bald Mt. road. 610 Comment
  UCSB18968  Rhododendron occidentale Jensen, Karen 1965-4-14 Humboldt Along U.S. Highway 101, 1 km. S of Trinidad 45 Comment
  CAS-BOT-BC200379  Rhododendron occidentale var. paludosum Henry M. Pollard 1948-8-9 s.n. Humboldt Camp Creek, near Orleans Comment
  HSC20276  Ribes bracteosum S. S. Stutz 1963-5-18 53 Humboldt 7 mi. SE of Arcata on Fickle Hill Rd. Comment
  UC154115  Ribes bracteosum Joseph P. Tracy June 1904 2104 Humboldt near Falk's Mill (on Elk River); Northern Coast Region, Humboldt Bay 0 Comment
  SEINET3121266 Image available Ribes divaricatum var. pubiflorum Joseph P. Tracy 1945-5-10 17507 Humboldt Rick's Prairie 46 Comment
  JEPS49366  Ribes lacustre P. E. Goddard 1901-7 125 Humboldt Trinity Summit Trail Comment
  CAS-BOT-BC176804  Ribes laxiflorum Harley P. Chandler 1901-5-1 1202 Humboldt Humboldt Bay 30 Comment
  CAS-BOT-BC173366  Ribes lobbii Volney Rattan 1882-6-1 s.n. Humboldt Coast Mts. North of San Francisco Bay Comment
  CAS-BOT-BC212478  Ribes marshallii Doris K. Kildale 1925-8-18 1204 Humboldt Trinity Summit 1917 Comment
  HSC102025  Ribes marshallii M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 926 Humboldt Along trail from Rustic Camp to Patterson Meadows 1534 Comment
  JEPS49219  Ribes menziesii Jos. P. Tracy 1912-3-31 3568 Humboldt Blue Lake 3 Comment
  HSC70757  Ribes roezlii R. York 1980-5-17 526 Humboldt Near Le Perron Peak 792 Comment
  CAS-BOT-BC198869  Ribes roezlii var. amictum Alice Eastwood 1939-3-19 18898 Humboldt Bolling Grove Comment
  UC1198950  Ribes roezlii var. amictum Joseph P. Tracy 1930-7-27 9111 Humboldt near Petrolia; North Coast Ranges, Mattole River 15 Comment
  UC667061  Ribes roezlii var. cruentum Joseph P. Tracy 1934-3-11 13153 Humboldt French Camp Ridge 1066 Comment
  HSC74678  Ribes roezlii var. roezlii Gail Newton 1981-7-10 2227 Humboldt Near Board Camp Butte 1494 Comment
  CHSC24919  Ribes sanguineum M. B. Simpson 1976-4-10 19 Humboldt On w bank of West Haven Creek, ca. 20 yds n of Wagon Wheel Road, ca. .1 mi e of West Haven Dr, ca. 13 mi n of Arcata. 121 Comment
  HSC22511  Ribes sanguineum D. E. Anderson 1964-4-24 3540 Humboldt 0.5 mi. from junction of Hwy. 299 along Titlow Hill Rd. Comment
  UC1585362  Ribes sanguineum R. Raiche, K. Zadnick, and H. Forbes 1989-10-2 UCBG 24 Humboldt sw Hoopa (Gair Rd. at Pine Ridge Summit) 972 Comment
  CAS-BOT-BC144679  Ribes sanguineum var. glutinosum Doris K. Kildale 1926-8-8 2479 Humboldt Dyerville, south Fork of Eel River 51 Comment
  HSC49909  Ribes sanguineum var. glutinosum Maralyn O'Meara 1973-2-9 125 Humboldt McKinleyville, N side of Mad River along N Bank Rd., 0.5 mi. E of Hwy. 101 Comment
  HSC95681  Ribes sanguineum var. glutinosum Steven Lee 2004-3-23 4 Humboldt Manila Dunes along Samoa Blvd., 200ft W of first powerline in parking area along Gun Club Rd. Comment
  UC492210  Ribes sanguineum var. glutinosum Joseph P. Tracy 1932-8-27 10759 Humboldt Alton North Coast Ranges, Van Duzen River 30 Comment
  CAS-BOT-BC173988  Ribes viscosissimum Henry M. Pollard 1943-8-1 s.n. Humboldt Orleans Mt. 1828 Comment
  SEINET200854 Image available Ribes viscosissimum J. P. Tracy 1932-7-12 10466 Humboldt Klamath Mountains Trinity Summit rdiges east of Corral Prairie 1829 Comment
  UC673061  Robinia pseudoacacia Joseph P. Tracy 1934-7-1 13277 Humboldt Willow Creek; Northern Coast Ranges, Trinity River Valley 152 Comment
  HSC73175  Romanzoffia californica M. A. Baker 1980-5-17 1250 Humboldt Near Le Perron Peak 1066 Comment
  NY337230  Romanzoffia tracyi J. P. Tracy 1933-5-9 11008 Humboldt Vicinity of Trinidad 15.2 Comment
  UC1222364  Romanzoffia tracyi Joseph P. Tracy 1950-6-17 18829 Humboldt in <Tracy> garden Eureka Comment
  UC198651  Rorippa curvisiliqua Joseph P. Tracy 1916-5-31 4693 Humboldt along Eel River from South Fork to Scotia (Holmes Flat); Northern Coast Ranges, along Eel River 60 Comment
  CAS-BOT-BC147435  Rosa californica Doris K. Kildale; L. B. Kildale 1930-5-24 9545 Humboldt Hoopa Valley 152 Comment
  HSC99513  Rosa canina K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-22 176 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-BC146496  Rosa gymnocarpa Doris K. Kildale 1927-7-3 3644 Humboldt Willow Creek Flat 152 Comment
  UC162329  Rosa gymnocarpa Joseph P. Tracy 1911-6-4 3218 Humboldt along river 5 mi from the coast; Northern Coast Region, Little River 121 Comment
  UC914721  Rosa gymnocarpa Ira L. Wiggins 1930-7-22 4695 Humboldt along bank of creek between Blue Lake and Willow Creek; Redwood Creek Comment
  HSC31560  Rosa nutkana Glenn McGourty 1974-6-1 77 Humboldt Comment
  UC154204  Rosa nutkana var. nutkana J. P. Tracy 1901-6-23 1162 Humboldt immediate vicinity of Eureka 0 Comment
  CAS-BOT-BC148347  Rosa pisocarpa Doris K. Kildale 1928-6-24 5238 Humboldt Redwood Creek at Berry's 289 Comment
  HSC49684  Rosa pisocarpa J. O. Sawyer, R. J. Cole 1977-7-3 3018 Humboldt Along Big Hill Rd. (8N01) at Mud Spring. Comment
  SEINET4092393  Rosa pisocarpa O. M. Clark 1932-1 782 Humboldt South Eureka. Comment
  CAS-BOT-BC146884  Rosa rubiginosa Doris K. Kildale 1927-7-1 3616 Humboldt Alton Hill 30 Comment
  JEPS44733  Rubus laciniatus Joseph P. Tracy 1926-11-7 7828 Humboldt along Eel River from South Fork to Scotia; Northern Coast Ranges, along Eel River 60 Comment
  HSC19652  Rubus macropetalus P. Markle 1962-5-22 60 Humboldt Along cross country track behind HSU in Arcata Community Forest Comment
  HSC104043  Rubus parviflorus C. Reynolds 2015-4-25 37 Humboldt At Redwood Creek Trailhead, off Bald Hills Road 20 Comment
  NY1043364  Rubus parviflorus D. K. Gillespie 1938-8-6 15397 Humboldt Eureka Comment
  UC492170  Rubus praecox H. E. Parks and Joseph P. Tracy 1932-8-13 10347 Humboldt 3 mi e Trinidad; Northern Coast Region 60 Comment
  CHSC94934  Rubus spectabilis K. Lang; J. Lang 2005-3-16 38 Humboldt Trinidad, N. California coast. 51 Comment
  HSC19676  Rubus spectabilis Lincoln Constance 1934-6-2 780 Humboldt Bull Creek Rd. to mouth of Bull Creek, top Bull Creek Comment
  SEINET3111191  Rubus spectabilis Steve Selva, Roger Jensen 1974-8-21 27 Humboldt Approx 3 miles N of Trinidad; redwood grove adjacent to Hwy 101 rest stop. Comment
  UCD17611  Rubus ursinus H. Olmo; T. S. Mallah 1946-6-26 46- 054 Humboldt California. Humboldt County: 100 yards west of junction of U.S. 101 on road through Humboldt State Redwood Park. Comment
  UC146142  Rumex acetosella J. P. Tracy 1906-4-22 2414 Humboldt immediate vicinity Eureka 0 Comment
  HSC37937  Rumex acetosella Peter Sorensen 1976-5-28 Humboldt N Spit of Humboldt Bay, S of Samoa Comment
  HSC89469  Rumex acetosella P. A. Daly 1986-3-12 99 Humboldt Trinidad Head, along trail 61 Comment
  UCD100972  Rumex acetosella Collector unknown Date unknown s.n. Humboldt location unknown. Comment
  HSC75496  Rumex californicus J. O. Sawyer 1980-7-18 3638 Humboldt North Trinity Mountain Research Natural Area, north of Mill Creek Lake to Red Cap Hole. Comment
  HSC17609  Rumex conglomeratus C. B. Wolf 1927-8-30 1231 Humboldt 2 mi. S of Petrolia on the Matole River near the road crossing the river Comment
  UC1225805  Rumex crispus Joseph P. Tracy 1948-9-12 18209 Humboldt meadow at Box Camp Trinity Summit 1463 Comment
Read comments
Aug 5 2009
  HSC64441  Rumex crispus J. P. Smith, Steve Selva 1970-6-14 3851 Humboldt Along Hwy. 96 at Whitmore Creek 152 Comment
  UC249658  Rumex maritimus Joseph P. Tracy 1921-8-7 5867 Humboldt Stone Lagoon Northern Coast Region 3 Comment
  UC672924  Rumex maritimus Harold E. Parks and Joseph P. Tracy 1934-10-13 11150 Humboldt Big Lagoon 6 Comment
  CAS-BOT-BC433754  Rumex pulcher W. R. Dudley 1899-1-1 s.n. Humboldt Arcata Comment
  UC1222604  Rupertia physodes Joseph P. Tracy 1950-6-15 18783 Humboldt 7 mi n Harris; Mail Ridge, Jenk's Ranch Comment
  CAS-BOT-BC454157  Ruppia maritima Malcom 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
  RSA301862  Rytidosperma penicillatum Joseph P. Tracy 1942-6-28 17267 Humboldt [Unspecified] Comment
  CAS-BOT-BC132709  Salix A. T. Whittemore 1980-3-15 80 -006 Humboldt Arcata, in residential area, along Alliance Road from Foster Ave. to the railroad tracks Comment
  CAS-BOT-BC132669  Salix coulteri Joseph P. Tracy 1932-7-31 10286 Humboldt Eel River, Alton to Fortuna 15 Comment
  CAS-BOT-BC103806  Salix exigua L. R. Abrams 1916-7-11 6057 Humboldt mouth of Grizzly Creek on Van Duzen River in Redwood Forest Comment
  SBBG29096  Salix exigua var. hindsiana C. R. Ball, H. Parks, J. Tracy 1932-5-17 1336 Humboldt above Trinity River, 1 mi above bridge on Trinity Hwy 152 Comment
  UC490565  Salix exigua var. hindsiana Joseph P. Tracy 1932-7-31 10288 Humboldt along Eel River from S. Fork to Scotia (mouth of Larrabee Creek); Northern Coast Ranges 60 Comment
  UC512028  Salix exigua var. hindsiana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-17 1330 Humboldt near bridge on Trinity Hwy. Trinity R. 152 Comment
  HSC100648  Salix flavescens Carl C. Marshall Mar 1887 390 Humboldt Humboldt Hill. Comment
  CAS-BOT-BC104105  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01335 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC104112  Salix hindsiana Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01336 Humboldt above Trinity River, 1 mile below bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107762  Salix hookeriana Harold E. Parks; Carleton R. Ball; Joseph P. Tracy 1932-5-11 1217 Humboldt In pine barrens near the coast, 1 mile north of Samoa. Comment
  CHSC9652  Salix hookeriana E. L. Smith 1971-8-18 1023 Humboldt At Manila ca. 4 mi sw of Arcata, on w side of Humboldt Bay opposite of Eureka. Comment
  HSC19964  Salix hookeriana H. E. Parks 1931-3-24 915 Humboldt Vicinity of Trinidad R.R. Station Comment
  JEPS13090  Salix hookeriana Joseph P. Tracy 1936-10-24 15202 Humboldt Fortuna 15 Comment
  LA208757  Salix hookeriana Harold E. Parks; 1931-5-28 999 Humboldt Little River Lagoon, Trinidad; at sea level Comment
  RSA152331  Salix hookeriana Joseph P. Tracy 1948-4-4 17958 Humboldt Near Samoa on Humboldt Bay. 6 Comment
  UC1225775  Salix hookeriana Joseph P. Tracy 1948-4-4 17957 Humboldt sand dunes near Samoa; Humboldt Bay 6 Comment
  UC275500  Salix hookeriana Joseph P. Tracy 1925-2-1 6930 Humboldt lowlands near Salmon Creek Corners (around Humboldt Bay); Northern Coast Region, Humboldt Bay 6 Comment
  UC481262  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC481263  Salix hookeriana Harold E. Parks 1931-5-28 999 Humboldt Little River Lagoon Comment
  UC481277  Salix hookeriana Harold E. Parks 1931-8-1 1053 Humboldt Little River Lagoon Comment
  UC481352  Salix hookeriana Harold E. Parks 1931-5-12 955 Humboldt Samoa Humboldt Bay, Samoa Comment
  UC512093  Salix hookeriana Carleton R. Ball, Harold E. Parks, and Joseph P. Tracy 1932-5-11 1216 Humboldt 1 mi n Samoa (in pine barrens near coast) Comment
  UC519333  Salix hookeriana Joseph P. Tracy 1933-5-20 12263 Humboldt Mattole R. near Petrolia; North Coast Region, Mattole R. 15 Comment
  CDA39525  Salix hookeriana Patty Adams Jun 1985 s.n. Humboldt Dry Lagoon State Park. 0 Comment
  POM219559  Salix hookeriana var. tomentosa H. E. Parks 1931-3-26 905 Humboldt Alton on Van Duzen River. 15 Comment
  JEPS13097  Salix laevigata Joseph P. Tracy 1935-5-25 13886 Humboldt Dobbyn Creek 152 Comment
  JEPS14756  Salix laevigata Joseph P. Tracy 1932-5-22 10122 Humboldt between Miranda and Redway (S. Fork Eel River); North Coast Ranges 91 Comment
  POM218953  Salix laevigata H. P. Bracelin 1931-5-1 271 Humboldt Sylvandale, between Miranda and Meyers. S Fork of Eel River. Comment
  UC490520  Salix laevigata Joseph P. Tracy 1932-4-23 9835 Humboldt between Miranda and Redway (S. Fork Eel R.); S. Fork Eel R. 91 Comment
  UC1196579  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1939-5-6 16280 Humboldt opposite mouth of Willow Creek Lack Pond; Trinity R. Valley 152 Comment
  UC1196586  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1929-10-20 8682 Humboldt Larrabee Valley Northern Coast Ranges, Larrabee Valley 701 Comment
  UC1196590  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1919-9-14 5205 Humboldt near Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC492331  Salix lasiandra subsp. lasiandra Harold E. and Susan T. Parks 1932-4-10 1101 Humboldt Little River Lagoon Trinidad; , Little River Lagoon Comment
  UC518901  Salix lasiandra subsp. lasiandra Jim Davis Apr 25 1933-Apr 27 1933 2 Humboldt around Eureka Eureka Comment
  CAS-BOT-BC128191  Salix lasiandra var. lasiandra Harold E. Parks; Susan T. Parks 1931-8-15 1078 Humboldt Blue Slide, Van Duzen River 100 Comment
  CAS-BOT-BC107102  Salix lasiolepis Joseph P. Tracy 1933-2-26 10912 Humboldt Miranda, along south fork of Eel River 121 Comment
  CAS-BOT-BC107587  Salix lasiolepis Joseph P. Tracy; Carleton R. Ball; Harold E. Parks 1932-5-17 1321 Humboldt On banks of Redwood Creek, at Berry's, on Trinity Highway 274 Comment
  CAS-BOT-BC107602  Salix lasiolepis Joseph P. Tracy; Harold E. Parks 1933-3-19 11005 Humboldt On Van Duzen River, 2 miles west of Bridgeville 228 Comment
  CAS-BOT-BC107615  Salix lasiolepis Harold E. Parks 1931-3-31 9327 Humboldt Redwood Creek, at Berry's 274 Comment
  CAS-BOT-BC107622  Salix lasiolepis Joseph P. Tracy 1933-4-9 10966 Humboldt Bridgeville, along Van Duzen R. 228 Comment
  HSC20023  Salix lasiolepis J. P. Tracy 1933-2-26 10912 Humboldt Miranda, S Fork of Eel River 122 Comment
  HSC96597  Salix lasiolepis Gordon Leppig 2003-2-22 1812 Humboldt Arcata Marsh, NE corner of log pond 3 Comment
  HSC98055  Salix lasiolepis Cara Witte 2007-7-11 497 Humboldt Waterhole off Forest Service Road 5N10. Approximately 2 miles east of intersection with National Forest 1. 1346 Comment
  HSC99119  Salix lasiolepis Cara Witte 2008-6-13 726 Humboldt Forest Service Road 4N32. 1 mile south of intersection with Forest Service Road 4N32E. 1455 Comment
  UC469407  Salix lasiolepis Joseph P. Tracy 1927-3-27 7868 Humboldt at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 Comment
  UC469430  Salix lasiolepis Joseph P. Tracy 1931-9-7 9645 Humboldt at Willow Creek Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 152 Comment
  UC469439  Salix lasiolepis Joseph P. Tracy 1931-11-8 9753 Humboldt Blue Slide Van Duzen River 91 Comment
  UC506403  Salix lasiolepis Joseph P. Tracy 1932-6-4 10127 Humboldt Bridgeville Northern Coast Ranges 228 Comment
  UC506509  Salix lasiolepis Joseph P. Tracy 1932-6-4 10130 Humboldt Bridgeville Northern Coast Ranges, Bridgeville 228 Comment
  CAS-BOT-BC107289  Salix lasiolepis var. bigelovii Carleton R. Ball; Harold E. Parks; Joseph P. Tracy 1932-5-17 01333 Humboldt in channel of Trinity River, near bridge on Trinity Highway 152 Comment
  CAS-BOT-BC107411  Salix lasiolepis var. lasiolepis Doris K. Kildale 1927-3-20 2907 Humboldt Stephens Grove on South Fork of Eel River 60 Comment
  CAS-BOT-BC125606  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0974 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  CAS-BOT-BC125626  Salix melanopsis Harold E. Parks; Joseph P. Tracy 1931-5-17 0973 Humboldt Mouth of Willow Creek at Trinity River 150 Comment
  HSC20034  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 972 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
  JEPS12941  Salix melanopsis Joseph P. Tracy 1931-6-14 9580 Humboldt Van Duzen River Alton; Northern Coast Ranges 30 Comment
  JEPS12942  Salix melanopsis Joseph P. Tracy 1931-6-14 9582 Humboldt Van Duzen River Alton; Northern Coast Region 30 Comment
  JEPS14849  Salix melanopsis Lincoln Constance 1934-5-27 689 Humboldt s end of Dyerville Bridge (S. Fork Eel River); Bull Creek Region 45 Comment
  LA208879  Salix melanopsis Mrs. H. P. Bracelin; 1931-5-2 283 Humboldt E of Redwood Hwy.; 6 km. S of Alton 20.0 Comment
  POM218957  Salix melanopsis H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  POM362860  Salix melanopsis H. P. Bracelin 1931-5-2 283 Humboldt E of Redwood Hwy, 6km S of Alton. 20 Comment
  RSA47086  Salix melanopsis Doris K. Kildale 1926-9-9 2690 Humboldt Low gap of Mod River. Comment
  UC481294  Salix melanopsis Harold E. Parks 1931-5-14 965 Humboldt between Alton and Carlotta (Van Duzen R.); Van Duzen R. 15 Comment
  CAS-BOT-BC129247  Salix piperi Joseph P. Tracy 1934-9-22 13676 Humboldt Mouth of Mad River 9 Comment
  CAS-BOT-BC129165  Salix scouleriana Harold E. Parks 1933-1-1 1341 Humboldt Spruce Cove, Highway 101, Trinidad 64 Comment
  CAS-BOT-BC129174  Salix scouleriana W. R. Dudley 1899-6-1 s.n. Humboldt Eureka Peninsula near R.R. Comment
  HSC38187  Salix scouleriana Thomas W. Nelson, James Nelson 1976-3-5 3293 Humboldt Beside Hwy. 101 near summit of Table Bluff Comment
  JEPS13086  Salix scouleriana Joseph P. Tracy 1936-2-2 14766 Humboldt vicinity of Carlotta 30 Comment
  POM160284  Salix scouleriana Joseph P. Tracy 1926-7-25 7753 Humboldt Big Lagoon 6 Comment
  UC490529  Salix scouleriana Joseph P. Tracy 1932-7-13 10507 Humboldt open groung at Corral Prairie (back from the meadows); Klamath Mts., Trinity Summit, Corral Prairie 1524 Comment
  CHSC9554  Salix sitchensis E. L. Smith 1971-4-6 924 Humboldt At Field's Landing ca. 7 mi s of Eureka. Comment
  HSC20101  Salix sitchensis C. R. Ball, H. E. Parks, J. P. Tracy 1932-5-13 1256 Humboldt Mad River at Engelhart gravel pit, 2 mi. E of Redwood Hwy. and above Blue Lake Rd. Comment
  HSC20116  Salix sitchensis Theodore J. Crovello 1965-4-8 669 Humboldt Along Lost Man Creek at junction with Hwy. 101, 2.5 mi. S of turnoff to Prairie Creek Redwoods State Park Comment
  HSC36284  Salix sitchensis R. W. Becking, Thomas Overturf 1975-6-26 705 Humboldt Mad River, 1 mi. S of Blue Lake 21 Comment
  UC1225790  Salix sitchensis Joseph P. Tracy 1948-4-11 17972 Humboldt 3 mi. e. Dyerville (Eel R.); Eel R. 60 Comment
  UC146202  Salix sitchensis J. P. Tracy 1905-11-5 2397 Humboldt immediate vicinity Eureka 0 Comment
  UC1713724  Salix sitchensis Joseph P. Tracy 1905-11-5 2398 Humboldt immediate vicinity of Eureka 0 Comment
  HSC20134  Salix tracyi J. P. Tracy 1933-3-19 10932 Humboldt Blue Slide, Van Duzen River 91 Comment
  UC1173581  Salix tracyi Joseph P. Tracy 1939-8-5 16392 Humboldt Van Duzen River at Dinsmore's 737 Comment
  UC1196608  Salix tracyi Joseph P. Tracy 1926-8-12 7761 Humboldt Redwood Creek, at Berry's 274 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
  CAS-BOT-BC235016  Sambucus Volney Rattan 1878-1-1 s.n. Humboldt 3 mi. E Eureka Comment
  HSC3971  Sambucus racemosa var. racemosa R. A. Rasp 1964-5-20 44 Humboldt HSU campus, beside Jolly Giant Creek. Comment
  HSC58080  Sambucus racemosa var. racemosa G. L. Clifton, Griswold 1979-8-1 11984 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  UC1119901  Sambucus racemosa var. racemosa G. T. Nordstrom 1937-7-1 1446 Humboldt 1.7 mi wsw Orick; Orick Quadrangle Comment
  UC28612  Sambucus racemosa var. racemosa J. Burtt Davy 1899-6-12 5480 Humboldt Camp Grant North Coast Ranges, Eel River Comment
  SDSU2915  Sambucus racemosa var. racemosa Leslie Hickson 1990-4-15 15 IV90D Humboldt Across the street from the Oak Street and Apple Valley Lane junction. Eureka. Comment
  CAS-BOT-BC157200  Sanguisorba officinalis L. B. Kildale 1930-7-11 10208 Humboldt Snow Camp head of Redwood Creek Comment
  UC1197112  Sanicula arctopoides J. P. Tracy 1899-4-9 303 Humboldt immediate vicinity of Eureka (at Bucksport); Bucksport 0 Comment
  HSC37194  Sanicula bipinnatifida Barbara Kelly 1976-5-13 255 Humboldt Below road at Kneeland Airport Comment
  UCD127966  Sanicula crassicaulis Linda M. Barker 1976-6-1 1540 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC55730  Sanicula graveolens G. L. Clifton, Terry Griswold 1979-7-26 10214 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1981 Comment
  UC642310  Sanicula graveolens Joseph P. Tracy 1929-7-4 8614 A Humboldt French Camp Ridge 1066 Comment
  UC642319  Sanicula laciniata Joseph P. Tracy 1938-3-27 15701 Humboldt along South Fork of Eel River, Miranda South Fork Eel River; , Miranda 121 Comment
  UC154132 Image available Sanicula tracyi Joseph P. Tracy 1908-6-30 2740 Humboldt nw slope Buck Mountain; Northern Coast Ranges; NW slope of Buck Mt., Humboldt Co. 762 Comment
  HSC98998  Sanicula tuberosa Cara Witte 2008-7-10 856 Humboldt Brays Opening on National Forest 1. 0.5 mi. north of intersection with Forest Service Road 4N38. 1393 Comment
  RSA54147  Saponaria officinalis H. M. Pollard 1945-9-4 s.n. Humboldt Near Camp Creek, Orleans district Comment
  JEPS66679  Sarcodes sanguinea Joseph P. Tracy Jul 16 1930-Jul 19 1930 8943 Humboldt forest near McKay Camp (S. Fork Mt.); Northern Coast Ranges, S. Fork Mt. 1676 Comment
  UC1124524  Satureja douglasii H. L. Person 1932-7-16 Humboldt highway n Trinidad; Rock Point Quad. Comment
  HSC102071  Saxifraga aprica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-2 973 Humboldt Crogan Rocks, ~.25 mi. east of Crogan Hole 1759 Comment
  UC1198880  Saxifraga californica Joseph P. Tracy 1927-4-10 7889 Humboldt Redwood Creek at Berry's Redwood Creek; Northern Coast Ranges, Redwood Creek 274 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
  UC419066  Scirpus acutus var. occidentalis H. E. Parks 1930-9-14 771 Humboldt n shore Big Lagoon; n shore Big Lagoon Comment
  JEPS79980  Scirpus cernuus Joseph P. Tracy 1938-6-16 15942 Humboldt Trinidad 3 Comment
  UC1103492  Scoliopus bigelovii Joseph P. Tracy 1936-4-26 14808 Humboldt Kneeland Prairie 762 Comment
  UC1197793  Scoliopus bigelovii Mrs. Harriet Tracy 1909-3-5 Humboldt near Hydesville; Northern Coast Region 60 Comment
  HSC15634  Scoliopus bigelovii Curt M. Johnson 1966-2-27 108 Humboldt 6 mi. S of Pepperwood, Ave. of the Giants 152 Comment
  SEINET12050495  Scoliopus bigelovii F. H. Utech 1988-1 88 -293 Humboldt 11 mi from Bridgeville on Bridgeville-Kneeland Road, along Yager Creek, SE of Lone Star Junction 775 Comment
  JEPS62913  Scutellaria antirrhinoides Lincoln Constance 1934-5-23 614 Humboldt upper end of Look Prairie (South Fork Eel River); Bull Creek Region, , Look Prairie 365 Comment
  UC577340  Scutellaria californica Joseph P. Tracy 1937-7-11 15423 Humboldt vicinity of Garberville 121 Comment
  HSC14402  Scutellaria californica H. E. Parks 1934-7-6 5118 Humboldt Iaqua-Yager Creek 762 Comment
  HSC45581  Scutellaria tuberosa Diane L. Reed 1978-5-7 47 Humboldt Friday Ridge Road, near intersection with Hwy. 299 Comment
  HSC57458  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10290 Humboldt Near Salmon Mtn., close to the town of Forks of Salmon 1935 Comment
  HSC41297  Sedum obtusatum subsp. retusum Brad Klipfel 1974-7-27 496 Humboldt Horse Mtn. Comment
  SEINET4076756  Sedum radiatum O. M. Clark 1932-1 1295 Humboldt South Eureka. Comment
  CAS-BOT-BC62179  Selaginella oregana Joseph P. Tracy 1933-5-18 12196 Humboldt Mad River, near Blue Lake 15 Comment
  UC1284956  Senecio blochmaniae R. F. Hoover 1946-10-29 6526 Humboldt near Callender railroad siding Comment
Read comments
Mar 19 2007
  SEINET11803188  Senecio integerrimus var. major J. P. Tracy 1946-1 17537 Humboldt Kneeland Prairie 762 Comment
  CDA7632  Senecio jacobaea E. Eberwein 1958-9-4 Humboldt William Lowry property, Bear River, Ferndale. 0 Comment
  UCD135618  Senecio minimus S. W. Cosby 1921-9-27 s.n. Humboldt south of Ferndale. Comment
  UC1199236  Senecio sylvaticus Harold E. Parks and Joseph P. Tracy 1941-7-5 11491 Humboldt in woods near Coon Creek; Trinity River 152 Comment
Read comments
Jun 26 2012
  HSC36579  Senecio sylvaticus Thomas W. Nelson, James Nelson 1975-9-3 2197 Humboldt Above the junction of Maple Creek-Kneeland Rd. Comment
  HSC29884  Senecio vulgaris Thomas W. Nelson 1971-11-11 600 Humboldt Foot of Murray Rd., McKinleyville. Comment
  UC1223185  Senecio vulgaris Joseph P. Tracy 1943-11-28 17454 Humboldt Eel River Bar at mouth Van Duzen (near Alton); Eel River Bar at mouth of Van Duzen Comment
  BLMAR59  Senecio vulgaris Jennifer Anthony-Wheeler 1994-3-17 59 Humboldt Samoa/manilla dunes, growing alongside OHV trail on S.end of BLM prop 12 Comment
  HSC6130  Senecio vulgaris R. D. Modafferi 1965-3-14 9 Humboldt 1.3 mi. S of Trinidad on old Hwy. 101 305 Comment
  HSC6135  Senecio vulgaris S. R. Johnson 1965-4-16 42 Humboldt 1 mi. N of Luffenholtz Beach Comment
  CHSC61945  Sequoia sempervirens J. R. Biddison 1993-4-6 10 Humboldt Prairie Creek Redwoods State Park, Fern Canyon picnic area, 10 mi n of Orick, off hwy 101. 15 Comment
  JEPS48280  Sequoia sempervirens Mrs. Fay Howard 1929-10-5 Humboldt about 1 mi n Pepperwood (down the river) Comment
  RSA167269  Sequoia sempervirens Joseph P. Tracy 1950-12-18 19387 Humboldt At Park s place, Trinidad 3 Comment
  RSA730333  Sequoia sempervirens R. R. Halse 1989-5-13 3842 Humboldt Along Highway 101, 2 miles south of Weott 108 Comment
  UC195423  Sequoia sempervirens Joseph P. Tracy 1914-12-20 4638 Humboldt Eureka 0 Comment
  UC667965  Sequoia sempervirens Joseph P. Tracy 1935-12-8 14764 Humboldt near Korbel 304 Comment
  NY64455  Sequoia sempervirens H. H. Smith 1911-6-16 3824 Humboldt Vanceslan No. 20 Comment
  UC180183  Sidalcea diploscypha Joseph P. Tracy 1914-5-14 4466 Humboldt Fort Seward Northern Coast Ranges, Fort Seward 121 Comment
  UC502967  Sidalcea diploscypha Joseph P. Tracy 1927-5-30 8087 Humboldt Briceland; Northern Coast Ranges 182 Comment
  JEPS67224  Sidalcea malachroides Joseph P. Tracy 1918-7-1 4964 Humboldt along Eel River from South Fork to Scotia; Northern Coast Ranges, Eel River from South Fork to Scotia 60 Comment
  HSC58334  Sidalcea malviflora subsp. asprella Overton, Butler 1979-8-2 12637 Humboldt Near Grogan Hole, close to the town of Hoopa. 1554 Comment
  RSA28793  Sidalcea malviflora subsp. patula H. E. Parks 1940-05 24177 Humboldt Dow s Prairie 30 Comment
  CAS-BOT-BC205761  Sidalcea oregana David Imper 1985-8-1 s.n. Humboldt Six Rivers National Forest. Approximately 1/2 mile west of Ladder Rock alongside trail 1371 Comment
  CAS-BOT-BC213157  Sidalcea oregana subsp. eximia Joseph P. Tracy 1937-7-16 15432 Humboldt Dow's Prairie 60 Comment
  UC146134 Image available Sidalcea oregana subsp. eximia Joseph P. Tracy 1907-6-25 2578 Humboldt valley of Elk River Northern Coast Region, region about Humboldt Bay 0 Comment
  CAS-BOT-BC384547  Silene bridgesii Henry M. Pollard 1948-7-17 s.n. Humboldt Woods near Orleans Comment
  JEPS23249  Silene californica Joseph P. Tracy 1938-7-7 16040 Humboldt Grouse Mountain 1524 Comment
  UCR123953  Silene californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 6965 Humboldt North coast hills., Calif. Hwy 36, 2.2 mi west of Dinsmore 732 Comment
  RSA47132  Silene californica Doris K. Kildale 1927-8-16 1139 Humboldt Trinity Summit Trail beween Patterson s and Horse Linto Creek. 213 Comment
  RSA47144  Silene californica Doris K. Kildale 1925-7-2 900 Humboldt Table Bluff - bluff on coast. Comment
  UC659355  Silene californica Lincoln Constance, Alan A. Beetle 1940-5-16 2610 Humboldt coastal bluffs above Alton; above Alton Comment
  UC668093  Silene campanulata Joseph P. Tracy 1932-7-18 10704 Humboldt head of Brett Hole Trinity Summit, head of Brett Hole 1828 Comment
  CAS-BOT-BC174877  Silene campanulata subsp. glandulosa Henry M. Pollard 1944-9-8 s.n. Humboldt Orleans Mt. 1524 Comment
  CHSC19501  Silene gallica W. D. Stevens 1967-7-22 53 Humboldt Above the dirt road from old Hwy 101 to the top of the north bank of the Mad River. Comment
  HSC61770  Silene gallica Ruby Van Deventer 1963-7-1 Humboldt Along Klamath River at Pecwan. Comment
  UC1225793  Silene grayi Joseph P. Tracy 1947-7-9 17851 Humboldt Horse Mountain 1432 Comment
  HSC4162  Silene laciniata subsp. californica G. N. Bos 1965-5-15 277 Humboldt Berry Summit near Hwy. 299 793 Comment
  UCSB11773  Silene laciniata subsp. californica Breedlove, Dennis 1961-7-4 Humboldt 10.9 miles west of Willow Creek on US 299 822 Comment
  UC668193  Silybum marianum Joseph P. Tracy 1938-7-6 16026 Humboldt Big Lagoon 12 Comment
  HSC13925  Sisyrinchium bellum D. E. Anderson 1962-3-31 1966 Humboldt Along new Hwy. 101, W side of Freshwater Lagoon Comment
  JEPS64287  Sisyrinchium bellum Lincoln Constance 1934-6-4 815 Humboldt Look Prairie and Bull Creek Road to Dyerville South Fork Eel River; Bull Creek Region, South Fork Eel River Comment
  UCR12945  Sisyrinchium californicum Margariet Wetherwax 1972-9-21 s.n. Humboldt Big Lagoon, just north of Patrick's Point State Park 6 Comment
  RSA246758  Sisyrinchium californicum Robert F. Thorne, Percy C. Everett 1965-8-7 35177 Humboldt Big Lagoon, south end. 2 Comment
  UC666975  Smilacina racemosa Joseph P. Tracy 1938-7-7 16038 Humboldt Grouse Mountain 1524 Comment
  UC15050  Smilacina racemosa Joseph Burtt Davy and Walter C. Blasdale 1899-6-13 5497 Humboldt Camp Grant to Pepperwood; North Coast Ranges Comment
  JEPS12065  Solanum furcatum Joseph P. Tracy 1940-10-5 16749 Humboldt Trinidad, near boat landing Trinidad 9 Comment
  HSC37163  Solanum furcatum J. D. Ackerman 1974-5-25 257 Humboldt S Trinidad Beach, S of Trinidad Head Comment
  UCD126960  Solanum triflorum Luther Jones 1962-8-10 s.n. Humboldt King River Valley, northwest of Orovada. (Nevada). Comment
  CAS-BOT-BC231718  Solanum umbelliferum Joseph P. Tracy 1949-5-8 18293 Humboldt Carlotta. Open flat by old Strong's District School House, 5 miles east of town 60 Comment
  RSA183613  Solanum umbelliferum D. E. Anderson 1965-6-1 3778 Humboldt Along Friday Ridge Road, about 3 miles north-east of its Jct. with Titlow Hill Road. 1067 Comment
  HSC6188  Solidago elongata G. Ghatala 1967-7-25 13 Humboldt Comment
  UC1223176  Solidago elongata Joseph P. Tracy 1950-8-8 19280 Humboldt on Trinity Summit (Croghan Hole); on Trinity Summit, Croghan Hole 1676 Comment
  UC34655  Solidago elongata Chestnut and Drew 1888-8-1 Humboldt Grouse Creek Comment
  CAS-BOT-BC365666  Solidago spathulata Alice Eastwood 1923-8-14 12322 Humboldt Samoa Comment
  HSC28941  Solidago spathulata Thomas W. Nelson 1971-11-11 598 Humboldt Foot of Murray Rd., McKinleyville. Comment
  HSC90234  Solidago spathulata L. Watson, J. Meninga Aug 1990 10 Humboldt Near Manilla. Mad River Slough and Dunes. 10 ft. N of parking lot, E of trail Comment
  CAS-BOT-BC364968  Solidago velutina subsp. californica Joseph P. Tracy 1937-9-5 15682 Humboldt Trinity River Valley, at Willow Creek 152 Comment
  HSC57108  Sonchus asper Overton, Butler 1979-7-25 9846 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC91904  Sonchus asper E. Mackey 1987-7-19 Humboldt Patrick's Point State Park Comment
  UC1199364  Sonchus asper Joseph P. Tracy 1934-8-6 13560 Humboldt along Mad River, near Blue Lake 15 Comment
  HSC99386  Sorbus sitchensis var. grayi K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-6-28 35 Humboldt Near North Trinity Mtn, 11. 5 mi east of Hoopa along Big Hill Rd (8N01), at Six Rivers National Forest boundary. 1433 Comment
  UC526834  Sorghum halepense Joseph P. Tracy 1925-9-6 7263 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  RSA21550  Sparganium angustifolium subsp. emersum Carl B. Wolf 1937-9-14 9354 Humboldt Town of Blue Lake. 15 Comment
  RSA244508  Sparganium angustifolium subsp. emersum Larry E. DeBuhr, Gary D. Wallace 1973-9-16 1198 Humboldt At Gold Bluff Beach in Prairie Creek Redwoods State Park. Comment
  HSC97446  Sparganium emersum Ivy Watson 2008-10-5 35 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  UCSB34197  Spartina foliosa Denis Kearns 1979-8-24 20 Humboldt collected near the Arcata Boat Launchin Facility at the S-end of I Street Arcata Boat Launchin Facility and I Street Comment
  HSC4239  Spergula arvensis Francis Winter 1960-2-28 Humboldt Samoa Peninsula 6 mi. W of Arcata, Ca Comment
  UC1196395  Spiranthes romanzoffiana J. P. Tracy 1900-8-26 929 Humboldt Immediate vicinity of Eureka 0 Comment
  UC275578  Spiranthes romanzoffiana Joseph P. Tracy with H. E. Parks 1924-8-3 6767 Humboldt Big Lagoon Northern Coast Region 6 Comment
  JEPS63029  Stachys ajugoides var. rigida Joseph P. Tracy 1937-6-20 15342 Humboldt Bear River 152 Comment
  UCLA70847  Stachys ajugoides var. rigida Joseph P. Tracy 1937-8-12 15652 Humboldt Snow Camp 1402 Comment
  UCLA71137  Stachys ajugoides var. rigida H. L. Mason 1932-7-21 7103 Humboldt Big Lagoon Comment
  UCLA71123  Stachys ajugoides var. rigida H. Lewis 1940-7-3 Humboldt Little River Beach State Park Comment
  UC725501  Stachys chamissonis A. A. Heller 1923-7-9 13786 Humboldt between Eureka and Fortuna Comment
  UC32580  Stachys chamissonis Chesnut and Drew 1888-8-10 Humboldt N. Fork Mill Comment
  RSA33440  Stachys rigida subsp. quercetorum Carl B. Wolf 1937-6-18 8885 Humboldt Table Bluff between Humboldt Bay and Eel River. 30 Comment
  HSC57939  Stachys rigida var. rigida G. L. Clifton, Griswold 1979-7-31 11606 Humboldt Near Trinity Summit Guard Station, close to the town of Hoopa 1719 Comment
  HSC57674  Stellaria crispa G. L. Clifton, Griswold 1979-7-25 10867 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  HSC4279  Stellaria media Jack Rockwell 1962-4-5 30 Humboldt N bank of Van Duzen River, E of Hwy. 101 Comment
  HSC32538  Stephanomeria virgata Thomas W. Nelson 1973-8-19 1115 Humboldt McKeown Ranch N of Dinsmore Comment
  CAS-BOT-BC375782  Stephanomeria virgata Milo S. Baker 1927-8-14 2434 b Humboldt Near summit of ridge West of Bull Creek Comment
  HSC97388  Stipa lepida G. N. Bos 1965-5-15 279 Humboldt Berry Summit near Hwy. 299 Comment
  HSC102164  Stipa occidentalis var. californica M. R. Mesler, Robin Bencie, K. A. Wayman 2011-8-3 1074 Humboldt Patterson Meadows 1566 Comment
  CAS-BOT-BC87617  Streptanthus tortuosus Volney Rattan 1882-6-1 s.n. Humboldt South Humboldt County. Comment
  JEPS8452  Streptopus amplexifolius var. americanus Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-14 3417 Humboldt Bald Mountain; at Snow Camp, ridge between Mad River and Redwood Creek (Bald Mountain ridge) 1432 Comment
  HSC54882  Swertia radiata G. L. Clifton, Griswold 1979-7-25 10883 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon. 1784 Comment
  CAS-BOT-BC269573  Symphoricarpos albus var. laevigatus M. S. Jussel 1931-5-2 83 Humboldt 20 miles north of Garberville Comment
  RSA245218  Symphoricarpos albus var. laevigatus F. D. Jamison 1967-7-22 17 Humboldt 1/2 mile S of junction of Clam Beach Road and Murray Road on the frontage road. Comment
  UC602502  Symphoricarpos mollis Joseph P. Tracy 1936-6-28 15013 Humboldt near Murphy Meadows (Bald Mt); Bald Mt. 975 Comment
  HSC58385  Symphyotrichum bracteolatum Terry Griswold 1979-7-25 10923 Humboldt Near Red Cap Lake, close to the town of Forks of Salmon 1784 Comment
  UCD136539  Symphyotrichum chilense Collector unknown Date unknown s.n. Humboldt exact location unknown. Comment
  UC1173673  Symphyotrichum spathulatum Joseph P. Tracy 1939-8-16 16402 Humboldt Horse Mountain Northern Coast Ranges, Horse Mountain 1402 Comment
  UC902207  Synthyris reniformis Joseph P. Tracy 1941-4-8 16810 Humboldt Willow Creek Canyon, along Trinity Highway Willow Creek Canyon 609 Comment
  RSA21021  Tanacetum vulgare C. B. Wolf 1937-9-12 9330 Humboldt Big Lagoon, S side along Redwood Hwy. 6 Comment
  CAS-BOT-BC85218  Taxus brevifolia Doris K. Kildale 1926-8-15 2503 Humboldt Willow Creek Canyon 769 Comment
  HSC1595  Taxus brevifolia F. Morrell 1949-5-22 33 Humboldt E of Berry Summit , Hwy. 299 Comment
  HSC48986  Taxus brevifolia M. A. Baker 1979-5-25 764 Humboldt Comment
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Feb 15 2013
  CAS-BOT-BC447402  Tellima grandiflora Marcus E. Jones 1924-4-26 s.n. Humboldt Scotia Comment
  HSC63223  Tellima grandiflora M. A. Baker 1978-5-6 511 Humboldt 2 km. S of Weitchpec Comment
  JEPS49696  Tellima grandiflora Milo S. Baker 1923-7-20 Humboldt near South Yager Creek (Redwood House Road) Comment
  SEINET12217531  Tellima grandiflora F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -280 Humboldt Humboldt Redwoods State Park, Jensen Grove 50 Comment
  UCD170789  Tellima grandiflora Gordon Leppig; Sylvia Leppig and Kai Neander 1998-5-6 745 Humboldt Rt. 101. Overlooking Big Lagoon. 40 Comment
  CAS-BOT-BC81306  Thuja plicata Doris K. Kildale 1927-5-13 3130 Humboldt Green Point, Redwood Creek road Comment
  HSC12833  Thuja plicata Thomas W. Nelson, Wilbur Peterson 1970-12-2 301 Humboldt HSC Campus SE side of field house Comment
  HSC13053  Thuja plicata D. Santana, C. Kline Oct 1970 9 Humboldt HSC Campus Comment
  LA31711  Thuja plicata C. B. Wolf; 1930-10-25 1764 Humboldt 1 mi. above Blue Lakes on road to Willow Creek (Lord Ellis Road) 243 Comment
  OBI35885  Thuja plicata David J. Keil 1983-7-1 17294 Humboldt Between Ferndale and Bear River Ridge Rd along Mattole Rd Comment
  RSA352355  Thuja plicata J. P. Smith, AdvancedPlantTaxonomyClass 1971-10-9 5021 Humboldt Mad River above the Fish Hatchery. Comment
  SBBG56417  Thuja plicata H. E. Parks 1932-7-25 1139 Humboldt Camp 21, Hammond Lumber Co, Trinidad 152 Comment
  UC275476  Thuja plicata Joseph P. Tracy 1925-3-7 6931 Humboldt North Fork Eel River North Coast Region, North Fork Eel River (around Humboldt Bay) 60 Comment
Read comments
Jul 4 2018
  UC275509  Thuja plicata Joseph P. Tracy 1923-11-18 6593 Humboldt Wild Cat Ridge near Ferndale; Northern Coast Ranges, Wild Cat Ridge 457 Comment
  UC303174  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1923-6-20 6314 Humboldt White Thorn Valley; Northern Coast Ranges, White Thorn Valley 304 Comment
  CAS-BOT-BC436914  Tiarella trifoliata var. unifoliata C. C. Harris; S. K. Harris 1936-6-16 660 Humboldt Yager Road from Carlotta 152 Comment
  JEPS43495  Tiarella trifoliata var. unifoliata Lincoln Constance 1934-5-26 653 Humboldt North Dyerville Flat Grove Bull Creek Region (near Founders' Tree, Bull Creek Region, South Fork Eel River); South Fork Eel River, Bull Creek Region 48 Comment
  HSC103111  Tofieldia glutinosa M. Mesler 2010-7-15 834 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  UC1198896  Tolmiea diplomenziesii Joseph P. Tracy 1925-11-25 7328 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges 182 Comment
  UC1222357  Tolmiea diplomenziesii Joseph P. Tracy 1950-6-8 18726 Humboldt Bear River Ridge 609 Comment
  UCSC000348  Tolmiea menziesii R. Stahelin 1933-5-17 s.n. Humboldt Eureka, Arcata City Park Comment
  HSC44766  Torilis arvensis Maralyn O'Meara 1972-6-9 89 Humboldt Along bald Hills Rd. 16.4 mi. E of jct. with Hwy. 101 Comment
  UC1197062  Torilis nodosa Joseph P. Tracy 1930-8-3 9154 Humboldt McClellan Mountain 762 Comment
  SACT002419  Torresia macrophylla V. Barnes 1959-1 Humboldt Comment
  HSC93749  Torreyochloa pallida var. pauciflora Gordon Leppig, Sylvia Leppig, Kai Neander 1998-5-25 792 Humboldt Arcata, Alder Grove Pond 18 Comment
  RSA0001653  Tracyina rostrata Joseph P. Tracy 1916-6-20 4735 Humboldt Southeastern Humboldt county. Alder Point on Eal River. 305 Comment
  CAS-BOT-BC399989  Trautvetteria caroliniensis Joseph P. Tracy 1937-7-25 15564 Humboldt Happy Camp Mountain. (In Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  SEINET200361  Trautvetteria caroliniensis var. occidentalis Joseph P. Tracy 1937-7-2 15387 Humboldt Happy Camp Mountain; Trinity Summit Range; Northeast of Hawkins Bar. 1280 Comment
  HSC14453  Trichostema laxum D. E. Anderson 1963-10-6 2877 Humboldt Mad River bed, across from Essex Junction. Comment
  HSC54597  Trientalis latifolia Overton, Butler 1979-7-24 9676 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC97593  Trientalis latifolia Steven Lee 2004-4-26 27 Humboldt E several mi. from Arcata on Jacoby Creek Rd. Comment
  UC495669  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1932-5-1 9894 Humboldt vicinity Garberville; Northern Coast Ranges 121 Comment
  CHSC84526  Trifolium arvense John Dittes; Josephine Guardino 2003-6-7 2003 -65 Humboldt Klamath Range; ca. 7.7 air-mile southwest of Orleans, ca. 4.1 air-miles northeast of confluence of Trinity River and Klamath River, ca. 0.3, air-mile northwest of confluence of Klamath River and Aikens Creek. Along entrance road to Aikens Creek Campground. 106 Comment
  UC1103437  Trifolium barbigerum J. P. Tracy 1900-6-5 842 Humboldt immediate vicinity Eureka Comment
  UC16425  Trifolium barbigerum J. Burtt Davy 1899-6-17 5603 Humboldt Arcata Comment
  SEINET6934847  Trifolium barbigerum Wanda P. Vestal, A. G. Vestal 1937-6-22 s.n. Humboldt Kneeland Prairie, about 4 miles southeast of Kneeland. Comment
  HSC45303  Trifolium campestre Ed Cope 1978-5-30 Humboldt Along old Hwy. 101, S of Trinidad Comment
  HSC71453  Trifolium campestre J. P. Smith 1973-5-26 6808 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  UC495733  Trifolium depauperatum var. depauperatum Joseph P. Tracy 1932-5-10 9948 Humboldt near Petrolia (Mattole River); Northern Coast Ranges 15 Comment
  HSC90242  Trifolium dubium Jean Hanson 1980-5-24 62 Humboldt Indian (Gunther) Island, in Humboldt Bay, city of Eureka. W end of island Comment
  RSA91498  Trifolium dubium F. W. Peirson 1923-7-11 3622 Humboldt 20 miles north of Eureka Comment
  RSA135394  Trifolium eriocephalum subsp. eriocephalum Volney Rattan 1878-1 s.n. Humboldt Kneeland Prairie. Comment
  HSC99715  Trifolium eriocephalum subsp. eriocephalum Glenn W. K. Shelton 2010-7-19 25 Humboldt Big Hill Rd., switchback in road 1256 Comment
  UC1602084  Trifolium eriocephalum var. eriocephalum Joseph P. Tracy 1930-6-8 8728 Humboldt Kneeland Prairie Northern Coast Ranges 762 Comment
  HSC71441  Trifolium fucatum J. P. Smith 1971-10-9 5044 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC100534  Trifolium fucatum Carl C. Marshall Mar 1886 18 Humboldt Hills. Comment
  HSC79552  Trifolium fucatum Kenneth Clark 1980-4-18 573 Humboldt 350 yards SE of Dead Man's Gulch (Point No Pass) 8 Comment
  UC495732  Trifolium fucatum Joseph P. Tracy 1927-6-5 8100 Humboldt s Yager Creek (valley); Northern Coast Ranges 762 Comment
  UCD109058  Trifolium fucatum W. A. Williams 1951-6-14 s.n. Humboldt Ocean house. Comment
  UC495645  Trifolium gracilentum Joseph P. Tracy 1932-4-24 9810 Humboldt betw Miranda and Redway (South Fork of Eel River); Northern Coast Ranges 91 Comment
  HSC98880  Trifolium longipes subsp. hansenii Cara Witte 2007-6-1 166 Humboldt Horse Mountain Botanical Area. Along Forest Service 6N38. 1355 Comment
  HSC95079  Trifolium macraei Andrea Pickart 2002-7-3 156 Humboldt Lanphere Dunes: Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC1223358  Trifolium macraei Joseph P. Tracy 1933-5-20 12222 Humboldt s point of cape (near ocean shore); Cape Mendocino 3 Comment
  HSC95210  Trifolium microcephalum Andrea Pickart 2002-7-3 155 Humboldt Lanphere Dunes: Big Dune, Lanphere Dunes Unit, Humboldt Bay National Wildlife Refuge 0 Comment
  UC1197506  Trifolium microdon Joseph P. Tracy 1917-5-30 4800 Humboldt Little River Beach Northern Coast Region 6 Comment
  JEPS4443  Trifolium oliganthum Joseph P. Tracy 1921-4-24 5438 Humboldt facing South Fork of Eel River (Phillipsville); Northern Coast Ranges 121 Comment
  BLMAR745  Trifolium subterraneum Jennifer Wheeler 2015-5-18 745 Humboldt King range, strawberry rock grazing allotment down windy point 243 Comment
  HSC45117  Trifolium variegatum R. Sutherland 1978-5-19 11 .19578 Humboldt 134 Comment
  UC1197561  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-1 9881 Humboldt Garberville vicinity Northern Coast Ranges 121 Comment
  UC1197562  Trifolium variegatum var. variegatum Joseph P. Tracy 1927-6-17 8283 Humboldt lower w foothills of Chaparral Mtn (Three Cabins); Northern Coast Ranges 457 Comment
  UC1223541  Trifolium variegatum var. variegatum Joseph P. Tracy 1933-5-20 12253 Humboldt near Petrolia (hills betw town and Ocean) Comment
  UC495682  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-5-17 100065 Humboldt Berry's Northern Coast Ranges (Redwood Creek) 274 Comment
  HSC96949  Trifolium willdenovii Elizabeth Kimbrough, Whitney Meier 2007-6-4 1 Humboldt Cold Springs Camp, 7.4 mi. S of Hwy. 299 off FS Rd. NF1 on FS Rd. 5N27 1390 Comment
  UC1223312  Trifolium willdenovii Joseph P. Tracy 1937-5-31 15323 Humboldt Willow Creek Trinity River Valley 152 Comment
  HSC15188  Trifolium wormskioldii J. W. Johnson 1962-5-13 1353 Humboldt Arcata, Christenson Farm on the Samoa Peninsula Comment
  HSC15195  Trifolium wormskioldii J. W. Johnson 1961-8-17 1009 Humboldt Arcata, Hollow 10, W.M. Lanphere Farm, Samoa Peninsula. Comment
  UC303197  Trifolium wormskioldii Joseph P. Tracy 1925-5-30 7044 Humboldt McClellan Mtn Northern Coast Ranges 822 Comment
  CAS-BOT-BC451802  Triglochin maritima Ira L. Wiggins 1932-6-18 5868 Humboldt At mouth of Little River Comment
  HSC10921  Triglochin maritima D. E. Anderson 1965-6-10 3787 Humboldt Near E part of Eureka Comment
  HSC15685  Trillium albidum D. E. Anderson 1965-5-22 3729 Humboldt Hunt Ranch, 3-4 mi. N of Bridgeville. Comment
  UC1197809  Trillium albidum Joseph P. Tracy 1939-5-14 16285 Humboldt lower foothills of n.w. slope Buck Mt. 762 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
  HSC15698  Trillium ovatum J. C. Reppas 1963-3-9 21 Humboldt 1.0 mi. from the Pony Farm and N Fickle Hill Rd. Comment
  SEINET12324840  Triodanis biflora H. P. Chandler 1901-1 1415 Humboldt North Coast Ranges, Klamath River 427 Comment
  SEINET10459890  Triodanis perfoliata Chandler CHANDLER 1514 Humboldt Klamath River, somes bar. 427 Comment
  UC146241  Triphysaria eriantha subsp. eriantha Joseph P. Tracy 1906-6-10 2477 Humboldt Kneeland Prairie; Northern Coast Ranges, Kneeland Prairie 762 Comment
  UC951233  Triphysaria eriantha subsp. eriantha S. K. Harris 1942-6-10 1474 Humboldt Prairies Bear River Ridge Bear River Ridge; , Prairies 457 Comment
  HSC96262  Triphysaria pusilla April A. Allard, Gregory O'Connell 2005-6-10 8 Humboldt Coldspring Camp, 7.4 mi. S of Hwy. 299 on NF 1 1402 Comment
  SEINET4097498  Triphysaria versicolor O. M. Clark 1932-1 5332 Humboldt North Eureka. Comment
  HSC59235  Triphysaria versicolor subsp. faucibarbata Clark L. Miller 1979-5-29 5153 Humboldt Arcata Bottoms Comment
  HSC104272  Triphysaria versicolor subsp. versicolor Samantha E. Andres 2016-5-4 6 Humboldt Along Jackson Ranch Rd., near the bridge; ~.25 mi. from Hwy. 255 intersection 3 Comment
  UC1222436  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1944-5-14 17470 Humboldt Eureka 6 Comment
  HSC31723  Triphysaria versicolor subsp. versicolor J. P. Smith 1974-5-16 7370 Humboldt Arcata, median strip along Samoa Blvd. near Sunnybrae Comment
  UC162562  Triphysaria versicolor subsp. versicolor Joseph P. Tracy 1911-6-11 3237 Humboldt near Trinidad; Northern Coast Ranges, near Trinidad 60 Comment
  CAS-BOT-BC199620  Trisetum canescens Henry M. Pollard 1946-8-28 s.n. Humboldt Near summit of Orleans Mt. 1828 Comment
  CAS-BOT-BC199628  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point, on Eel River 152 Comment
  HSC31180  Trisetum canescens D. E. Anderson 1972-6-20 5751 Humboldt Along the Redwood Valley-Hoopa Rd., E of the summit. Comment
  HSC89902  Trisetum canescens Leonel Arguello 1989-7-22 Humboldt Lanphere-Christensen Dunes Preserve, 3 mi. W of Arcata Comment
  UC187232  Trisetum canescens J. P. Tracy 1903-5-22 1877 Humboldt Alder Point Eel River (on Eel River) 152 Comment
  HSC58671  Trisetum cernuum Gilbert Muth 1979-8-1 12147 Humboldt Near Horse Trail Ridge, close to the town of Hoopa 1677 Comment
  SJSU911  Triteleia bridgesii J. W. Tilden 1946-6-20 1018 Humboldt Bluff Creek c. 1.5 mi above junction with Klamath River Comment
  UC1225868  Triteleia hyacinthina Joseph P. Tracy 1942-6-15 17136 Humboldt near Redcrest resort (Englewood); Englewood 91 Comment
  UCSB13010  Triteleia laxa Muller, Katherine 1954-6-21 Humboldt Olson Creek, 2 mi. E. NE. of Mad River Comment
  UC1103154  Triticum vulgare Joseph P. Tracy 1916-8-20 4751 Humboldt Eureka Northern Coast Ranges 0 Comment
  HSC72050  Tropaeolum majus J. M. DiTomaso 1979-5-10 947 Humboldt Corner of 13th and Union St., Arcata. Comment
  HSC39045  Tsuga heterophylla Linda M. Barker 1976-6-14 1589 Humboldt 3 mi. W of Arcata Comment
  UCR6818  Tsuga heterophylla David Whistler, H. M. Whistler 1964-8-1 640801- 2 Humboldt Coast Range, US Hwy 299, 6 mi east of Blue Lake Comment
  HSC63002  Typha latifolia David Wheeler 1979-5-29 145 Humboldt S end of H St., Arcata. Comment
  UC205458  Umbellularia californica Joseph P. Tracy 1919-9-13 5196 Humboldt Trinity River, at Willow Creek Willow Creek; Northern Coast Ranges, Trinity River, Willow Creek 152 Comment
  UC40104  Umbellularia californica W. L. Jepson 1936-8-7 17856 Humboldt upper Butte Creek, Bear Buttes Butte Creek; , Bear Buttes Comment
  CAS-BOT-BC381766  Uropappus lindleyi Duart V. Brown 1947-4-2 31 Humboldt Sweed Creek, Trinity River 457 Comment
  UCSB25251  Urtica dioica subsp. gracilis Tracy, Joseph 1927-3-6 Humboldt Elk River 30 Comment
  HSC24670  Utricularia macrorhiza W. B. Strickland 1968-3-28 Humboldt McClellan Mtn. Rd., off Hwy. 36 above Bridgeville 457 Comment
  CAS-BOT-BC193958  Vaccinium cespitosum L. B. Kildale 1931-8-23 s.n. Humboldt Snow Camp 1219 Comment
  HSC55012  Vaccinium membranaceum G. L. Clifton 1979-7-31 11394 Humboldt Near Tish Tang A Tang Creek, close to the town of Hoopa. 1356 Comment
  CAS-BOT-BC199305  Vaccinium ovatum Doris K. Kildale 1927-5-7 3115 Humboldt Elk Ridge Comment
  CAS-BOT-BC199312  Vaccinium ovatum Alice Eastwood 1907-4-21 40 Humboldt Port Trinidad Comment
  CAS-BOT-BC199325  Vaccinium ovatum Ira L. Wiggins 1930-6-25 4613 Humboldt 2 miles north of Samoa Comment
  HSC31334  Vaccinium ovatum Larry E. DeBuhr, G. D. Wallace 1972-5-22 615 Humboldt Del Norte Coast Redwood State Park, Damnation Trail Comment
  HSC34645  Vaccinium ovatum Thomas Anthony 1975-4-8 3 Humboldt E of HSU tennis courts on ridge facing Fern Lake from W Comment
  HSC37342  Vaccinium ovatum Gary S. Lester, Roger L. Yearout, Judith G. Dickson 1974-7-24 481 Humboldt Along Lost Man Creek. 38 Comment
  HSC7907  Vaccinium ovatum J. Pursell 1964-10-11 10112 Humboldt Old Hwy. 101, 3 mi. N Patricks Point State Park Comment
  HSC7917  Vaccinium ovatum D. E. Anderson 1961-9-23 1832 Humboldt 2.3 mi. S of Kneeland corner Comment
  JEPS58743  Vaccinium ovatum J. P. Tracy 1904-4-17 2017 Humboldt immediate vicinity Eureka 0 Comment
  UC1197779  Vaccinium ovatum Joseph P. Tracy 1922-5-21 6052 Humboldt Fieldbrook Northern Coast Ranges 60 Comment
  UC1225910  Vaccinium parvifolium Joseph P. Tracy 1945-3-10 17495 Humboldt Eureka 30 Comment
  UC32671  Vaccinium parvifolium Chesnut and Drew 1888-7-11 Humboldt Jarnigan's Comment
  UC615045  Vaccinium parvifolium Beryl O. Schreiber 1934-6-5 1135 Humboldt 15 miles east of Blue Lake road to Redding Comment
  UCR32119  Vaccinium parvifolium David J. Keil 1983-7-2 17329 Humboldt Horse Mountain Summit SW of Willow Creek 1509 Comment
  SD257259  Vaccinium parvifolium Jim R. Shevock 1972-3-26 1470 Humboldt Along Highway 299. 366 Comment
  UC314631  Vaccinium uliginosum subsp. occidentale Joseph P. Tracy 1924-7-13 6725 Humboldt Big Lagoon Northern Coast Region 6 Comment
  JEPS9384  Valeriana sitchensis subsp. scouleri Joseph P. Tracy 1925-6-7 7061 Humboldt Willow Creek Canyon; Northern Coast Ranges 609 Comment
  CAS-BOT-BC76055  Vancouveria hexandra Harley P. Chandler 1901-5-1 1162 Humboldt North Coast Ranges. Humboldt Bay. 30 Comment
  HSC58189  Vancouveria hexandra G. L. Clifton, Griswold 1979-8-2 12280 Humboldt Near Oregon Creek, close to the town of Hoopa. 1661 Comment
  CAS-BOT-BC76093  Vancouveria planipetala M. S. Jussel 1931-5-2 113 Humboldt Garberville. Comment
  CAS-BOT-BC76094  Vancouveria planipetala M. S. Jussel 1931-5-2 79 Humboldt 20 miles north of Garberville. Comment
  UC9791 Image available Vancouveria planipetala Harley P. Chandler May, 1901 1162 Humboldt Humboldt Bay; North Coast Ranges, Humboldt Bay 30 Comment
  HSC98750  Veratrum californicum var. caudatum Cara Witte 2007-7-20 554 Humboldt Board Camp Butte. Forest Serivce Road 4E27. 1502 Comment
  SEINET3992207  Veratrum insolitum Unknown 1948-8-15 18120 Humboldt On ridge 2 mi E. of Grove's Prarie 1524 Comment
  HSC34287  Veratrum viride K. Irwin 1975-8-16 Humboldt Grogans Hole area. Comment
  HSC21173  Verbascum thapsus H. D. Sumner 1959-7-13 Humboldt Redwood Creek near Hwy. 299 305 Comment
  CDA30233  Verbena lasiostachys M. K. Beyers, I. Shepardson 2009-9-13 240 Humboldt In dry portion of the western side of the Eel River, near the base of the entrance of an inlet creek, that runs underneath State Route 254 (Avenue of the Giants) and Highway 101 here. 0 Comment
  HSC67839  Verbena lasiostachys J. P. Smith 1971-10-9 5027 Humboldt Mad River above the Fish Hatchery. Comment
  HSC45597  Veronica americana Diane L. Reed 1978-5-27 136 Humboldt 0.3 mi. up Bair Rd. from Hwy. 299 Comment
  POM283821  Veronica americana Lyman D. Benson 1928-7-10 441 Humboldt Clam Beach, Trinidad. Comment
  UC582550  Veronica americana Joseph P. Tracy 1937-7-2 15389 Humboldt ne of Hawkins Bar (Happy Camp Mountain); Trinity Summit Range, Happy Camp Mountain 1280 Comment
  HSC21212  Veronica persica C. F. Zeillemaker 1964-5-12 64102 Humboldt 1 mi. S of Arcata at Arcata Oxidation Pond Comment
  JEPS5706  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-14 3412 Humboldt at Snow Camp below Snow Camp Mountain (between Mad River and Redwood Creek (Bald Mountain Ridge)); Snow Camp 1432 Comment
  UC495715  Vicia americana var. americana Joseph P. Tracy 1932-7-13 10509 Humboldt Corral Prairie; Klamath Mountains, Trinity Summit 1524 Comment
  HSC100543  Vicia gigantea Carl C. Marshall May 1885 43 Humboldt Thickets everywhere. Comment
  UCD108675  Vicia hirsuta Linda M. Barker 1976-5-13 1479 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  HSC25947  Vicia tetrasperma Thomas W. Nelson 1970-12-1 291 Humboldt River bar of the Eel River north of the Scotia Bluff Comment
  HSC89577  Vicia tetrasperma K. Grenier, Leonel Arguello 1989-6-19 353 Humboldt Bald Hills Grasslands. At Stagecoach Stop. Comment
  CAS-BOT-BC263938  Viola adunca Doris Kildale 1931-5-10 10582 Humboldt Snow Camp Comment
  CAS-BOT-BC263940  Viola adunca C. V. Piper 1921-5-22 s.n. Humboldt Eureka Comment
  CAS-BOT-BC263948  Viola adunca L. B. Kildale 1927-7-23 3788 Humboldt Hoaglin Lake near [Lass---s] Peaks 1524 Comment
  HSC22846  Viola cuneata D. E. Anderson, J. O. Sawyer, J. P. Smith 1970-5-10 5053 Humboldt ca. 6 miles W of Hoopa, along road from Redwood Creek to Hoopa Comment
  HSC33148  Viola cuneata Thomas W. Nelson, J. Cole, Brad Klipfel 1974-5-8 1244 Humboldt Horse Mtn. area, E of microwave tower 1220 Comment
  HSC55638  Viola glabella Overton, Butler 1979-7-24 9670 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC56145  Viola glabella G. L. Clifton, Griswold 1979-8-1 11974 Humboldt Near Mill Creek Lakes, close to the town of Hoopa 1707 Comment
  HSC91931  Viola glabella E. Mackey 1986-9-2 Humboldt Patrick's Point State Park Comment
  CAS-BOT-BC536493  Viola glabella Myrtle Paulson 1918-4-28 s.n. Humboldt Eureka Comment
  CAS-BOT-BC536499  Viola glabella Harley P. Chandler 1901-6-1 1285 Humboldt Hupa Indian Reservation, North Coast Ranges 1097 Comment
  JEPS50362  Viola glabella W. L. Jepson 1932-7-24 16376 Humboldt Camp Grant; Eel River, Camp Grant Comment
  CHSC97987  Viola hallii J. Breton; A. Livingston 2005-6-10 9 Humboldt Coldspring Camp, 7.4 mi. south of Hwy 299 on NF1. 1357 Comment
  HSC44426  Viola hallii Brad Klipfel 1975-5-30 646 Humboldt Horse Mtn. Comment
  HSC103112  Viola macloskeyi M. Mesler 2010-7-15 835 Humboldt Near Blake Mtn, FS rd N01 off rd 4N12 Comment
  UC1618240  Viola praemorsa subsp. linguifolia Barbara Ertter, Thomas J. Delendick 1987-5-16 6928 Humboldt Vista point west of Berry summit on Hwy 299. Near seepage on N side of road 914 Comment
  HSC84493  Viola praemorsa subsp. praemorsa R. Earing, C. Cavanaugh, C. Collins 1987-4-24 95 Humboldt 24 mi. E of Blue Lake on Titlow Hill Rd., ca. 1/2 mi. from Hwy. 299 854 Comment
  POM222663  Viola praemorsa subsp. praemorsa Milo S. Baker 1935-4-18 8059 Humboldt Near headwaters of South Fork of Yager Creek, about 2 mi W of Bridgeville-Kneeland Hwy, on road to Carlotta. Comment
  UC1761529  Viola praemorsa subsp. praemorsa Milo S. Baker 1923-7-20 33 Humboldt near the head of the South Fork of the Yager Comment
  SEINET11978067  Viola sempervirens Unknown 1936-1 113398 Humboldt Comment
  UC1198442  Viola sheltonii Joseph P. Tracy 1935-7-24 14167 Humboldt near Corral Prairie (Trinity Summit); Trinity Summit 1584 Comment
  CAS-BOT-BC198761  Vulpia bromoides Harley P. Chandler 1901-5-1 1119 Humboldt Humboldt Bay 30 Comment
  HSC9914  Vulpia microstachys C. S. Chavez 1965-5-1 64 Humboldt On Hwy. 299 2 mi. E of Willow Creek. Comment
  UC1103716  Vulpia microstachys var. microstachys Joseph P. Tracy 1912-7-31 3917 Humboldt near Buck Mountain summit; Northern Coast Ranges 1676 Comment
  UC525652  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7439 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC9925  Vulpia myuros D. C. Juve 1964-5-14 Humboldt Camp Tish-Tang, Campbell Cr. Ranger Station, Hwy. 96. Comment
  RSA244994  Vulpia myuros D. E. Anderson 1970-5-21 5078 Humboldt Scotia Bluffs Comment
  UC196967  Vulpia myuros var. hirsuta Joseph P. Tracy 1915-5-23 4640 Humboldt Eureka; Northern Coast Region 0 Comment
  CAS-BOT-BC128815  Whipplea modesta L. R. Abrams 1918-6-16 7145 Humboldt Lower arid Transition Zone, Willow Creek Comment
  HSC20442  Whipplea modesta Yarick 1960-8-5 Humboldt M&M, 7 mi., Krueger Creek Comment
  RSA787174  Wyethia angustifolia C. B. Wolf 1927-8-29 1200 Humboldt 7 miles south of Ferndale and Capetown, Bear River Ridge, Mt. Glen. Comment
  UC129416  Wyethia angustifolia Harley P. Chandler June 1901 1494 Humboldt Klamath River North Coast Ranges, Klamath River 426 Comment
  SEINET11799537  Wyethia angustifolia J. P. Tracy 1950-1 18739 Humboldt near Capetown, Bear River Ridge 30 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
  HSC99010  Wyethia longicaulis Cara Witte 2008-7-1 778 Humboldt Spike Buck Mountain. Forest Service Road 5N18. Near intersection with National Forest 1. 1462 Comment
  SEINET11799554  Wyethia longicaulis J. P. Tracy 1950-1 18942 Humboldt near Clear Lake where Friday Ridge Rd comes to top of Grouse Mountain Ridge Comment
  HSC37690  Xanthium strumarium R. Sutherland 1976-8-13 31 .13876 Humboldt In mouth of Redwood Creek at South Fork of Eel River. 88 Comment
  HSC23679  Zeltnera muehlenbergii Tim Baroni 1971-7-5 103 Humboldt 8 mi. E of Petrolia Comment
  HSC35862  Zeltnera muehlenbergii Thomas W. Nelson, James Nelson 1975-8-5 2133 Humboldt Along S spit of Humboldt Bay adjacent to jetty Comment
  HSC8414  Zeltnera muehlenbergii J. P. Tracy 1938-7-18 16085 Humboldt Fickle Hill, 4 mi. S of Arcata 366 Comment
  HSC8420  Zeltnera muehlenbergii Yarick 1960-8-5 Humboldt M&M, 7 mi. Krueger Creek 152 Comment
  HSC15746  Zigadenus micranthus D. E. Anderson 1965-6-1 3779 Humboldt Near Brush Mtn. lookout 1216 Comment
  UC302170  Zigadenus micranthus var. micranthus Joseph P. Tracy 1925-5-30 7041 Humboldt at summit leading to Laribee Valley; Northern Coast Ranges, McClellan Mountain 822 Comment
  UC297846  Zostera marina H. E. Parks 1923-5-30 1756 Humboldt Eureka Comment



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