40.40490 40.50490 -123.56220 -123.46220 UC/JEPS: Consortium Search Results
Search Results — 527 specimen records retrieved (527 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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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
  CAS-BOT-BC78134  Abies X shastensis Carl B. Wolf 1937-8-12 9178 Trinity North coast range, South Fork Mt., 3 1/2 mi. So. of Cold Spring Lookout 1524 Comment
  RSA21150  Abies X shastensis C. B. Wolf 1937-8-12 9178 Trinity North Coast Range, South Fork Mountain, 3.5 miles S of Cold Spring Lookout. 1524 Comment
  CAS-BOT-BC73515  Abies concolor Carl B. Wolf 1937-8-12 9179 Trinity North Coast Range, South Fork Mt., 3 1/2 mi. so. of Cold Spring Lookout. 1524 Comment
  OBI7563  Abies concolor Carl B. Wolf 1937-8-12 9179 Trinity N Coast Range, S Fork Mt, 3.5 mi S of Cold Spring Lookout 1524 Comment
  RSA21151  Abies concolor C. B. Wolf 1937-8-12 9179 Trinity North Coast Range, South Fork Mountain, 3.5 miles S of Cold Spring Lookout. 1524 Comment
  UC774998  Abies concolor Carl B. Wolf 1937-8-12 9179 Trinity 3.5 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1524 Comment
  SD136398  Abies magnifica var. shastensis Carl B. Wolf 1937-8-12 Trinity North Coast Range, South Fork Mountain, 3.5 miles south of Cold Spring Lookout 1525 Comment
  SD42355  Abies magnifica var. shastensis Carl B. Wolf 1937-8-12 Trinity North Coast Range, South Fork Mountain, 3.5 miles south of Cold Spring Lookout 1525 Comment
  UC775036  Abies magnifica var. shastensis Carl B. Wolf 1937-8-12 9178 Trinity 3 1/2 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1524 Comment
  CAS-BOT-BC332760  Acer macrophyllum L. B. Kildale 1930-7-20 10414 Trinity Upper Van Duzen River near Cobbs Comment
  UC1199011  Acer macrophyllum Joseph P. Tracy 1939-9-4 16478 Trinity 3 mi below Low Gap (Van Duzen River); , below Low Gap 792 Comment
  UC187245  Achnatherum lemmonii Joseph P. Tracy Jul 27 1908-Jul 30 1908 2707 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC682050  Achnatherum lemmonii G. L. Stebbins Jr. and G. L. Church 1941-5-27 3114 Trinity 1.6 mi w, on road to Dinsmore's Mad River 914 Comment
  UC682052  Achnatherum lemmonii G. L. Stebbins Jr. and G. L. Church 1941-5-27 3115 Trinity 2 mi w Mad River (near Forest Ranger station) 1066 Comment
  UCD50683  Achnatherum lemmonii G. L. Stebbins Jr.; G. L. Church 1941-5-27 3114 Trinity 1.6 miles west of Mad River, on road to Dinsmore's. Trinity County. 914 Comment
  UCD50703  Achnatherum lemmonii G. L. Stebbins Jr.; G. L. Church 1941-5-27 3115 Trinity 2 miles west of Mad River, near Forest Ranger Station. 1066 Comment
  HSC68954  Acmispon micranthus Jacqueline Greenleaf 1980-5-24 99 Trinity Near Browns Canyon. 792 Comment
  HSC71035  Acmispon wrangelianus Thomas W. Nelson 1977-4-20 3327 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  HSC50884  Actaea rubra G. L. Clifton, Overton 1979-6-3 3657 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC35809  Adenocaulon bicolor Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1928 Trinity Brown's Canyon Campground. Comment
  UC154005  Agastache urticifolia Joseph P. Tracy 1908-6 2802 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50839  Agoseris heterophylla G. L. Clifton, Overton 1979-6-3 3621 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC73185  Agoseris heterophylla R. York 1980-5-25 801 Trinity Near Browns Canyon 823 Comment
  HSC73207  Agoseris heterophylla R. York 1980-5-25 812 Trinity Near Browns Canyon 823 Comment
  UC249884  Agoseris heterophylla var. heterophylla Joseph P. Tracy 1923-7-1 6496 Trinity near summit on rd to Low Gap of Mad River South Fork Mountain; Northern Coast Ranges, Mad River 1066 Comment
  UC249883  Agoseris retrorsa Joseph P. Tracy 1923-7-1 6495 Trinity near summit, on road to low gap of Mad River South Fork Mountain; Mad River 1066 Comment
  UC1103377  Agrostis exarata Joseph P. Tracy 1908-6 2803 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC187117  Agrostis hallii Joseph P. Tracy 1908-6 2882 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50852  Aira caryophyllea G. L. Clifton, W. C. Overton 1979-6-3 3606 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC68721  Aira caryophyllea Jacqueline Greenleaf 1980-5-24 96 Trinity Near Browns Canyon. 792 Comment
  HSC74095  Aira caryophyllea M. A. Baker 1980-5-25 1611 Trinity Near Browns Canyon. 823 Comment
  UCD55699  Aira caryophyllea A. H. Murphy 1951-6-1 51 Humboldt O. O. Davis Ranch. South slope of South Fork Mtn., 3 miles E of Low Gap, in Erickson Glade. Comment
  UC275543  Allium bolanderi var. mirabile Joseph P. Tracy 1923-7-1 6498 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1066 Comment
  UC1198192  Allium campanulatum Joseph P. Tracy 1908-6 2807 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC275539  Allium campanulatum Joseph P. Tracy 1923-7-1 6514 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1066 Comment
  UC906736  Allium falcifolium Harold E. Parks and Joseph P. Tracy 1942-7-2 11595 Trinity 1 mi n Racetrack; South Fork Mt. 1676 Comment
  RSA21140  Alnus incana subsp. tenuifolia C. B. Wolf 1937-8-12 9168 Trinity North Coast Range, South Fork Mt., 5.7 mi so. of Cold Spring Lookout 1372 Comment
  UC1222283  Alnus incana subsp. tenuifolia Joseph P. Tracy 1950-7-25 19050 Trinity old sheep camp 1 mi s Race Track; South Fork Mountain 1645 Comment
  UC774949  Alnus incana subsp. tenuifolia Carl B. Wolf 1937-8-12 9168 Trinity 5.7 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1371 Comment
  CAS-BOT-BC169660  Alnus rhombifolia L. B. Kildale 1930-7-20 10424 Trinity Upper Van Duzen River near Cobb Comment
  CAS-BOT-BC169661  Alnus rhombifolia L. B. Kildale 1930-7-20 10323 Trinity Van Duzen River near Cobb Comment
  CAS-BOT-BC169667  Alnus rhombifolia Doris K. Kildale 1926-9-9 2692 Trinity Black Oaks near Low Gap of Mad River 746 Comment
  SD42350  Alnus tenuifolia Carl B. Wolf 1937-8-12 9168 Trinity North Coast Range, South Fork Mountain, 5.7 miles south of Colf Spring Lookout 1370 Comment
  CAS-BOT-BC138146  Alopecurus aequalis var. aequalis Volney Rattan 1903-1-1 s.n. Humboldt Mad River. Comment
  HSC50817  Amelanchier pallida G. L. Clifton, Overton 1979-6-3 3648 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  RSA21135  Amelanchier pallida Carl B. Wolf 1937-8-12 9163 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  CAS-BOT-BC135645  Amelanchier utahensis Carl B. Wolf 1937-8-12 9163 Trinity North Coast Ranch, South Fork Mt., 8 3/10 mi. so. of Cold Spring Lookout 1371 Comment
  UC154229  Amelanchier utahensis Joseph P. Tracy 1908-6 2768 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC774988  Amelanchier utahensis Carl B. Wolf 1937-8-12 Trinity 8.3 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1371 Comment
  HSC74062  Amsinckia intermedia M. A. Baker 1980-5-25 1599 Trinity Near Browns Canyon. 823 Comment
  UC525583  Amsinckia intermedia Joseph P. Tracy 1923-7-1 6508 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1219 Comment
  HSC68738  Anisocarpus madioides Jacqueline Greenleaf 1980-6-18 124 Trinity Near Van Duzen River. 884 Comment
  UC169316  Anisocarpus madioides Joseph P. Tracy 1908-6 2878 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC249820  Antennaria argentea Joseph P. Tracy 1923-7-1 6507 Trinity near summit, (on road to Low Gap of Mad River) South Fork Mountain; Northern Coast Ranges 1066 Comment
  HSC70281  Arabis breweri var. breweri M. A. Baker 1980-5-25 1578 Trinity Near Browns Canyon 823 Comment
  UC162360  Arabis glabra Joseph P. Tracy 1908-6 2711 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC23869  Arctostaphylos columbiana Doris K. Kildale 1926-9-9 2678 Trinity Near low gap of Mad River. 746 Comment
  CAS-BOT-BC24327  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1922-7-1 327 Humboldt 2 mi. from ranger station at bridge on road to Red Bluff from Eureka. Comment
  CAS-BOT-BC38672  Arctostaphylos manzanita subsp. manzanita L. B. Kildale 1930-7-20 10319 Trinity Van Duzer River near Cobbs Comment
  UC1222637  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1950-4-20 18630 Trinity about 3 mi s Kuntz; Van Duzen River Comment
  UC1196875  Arctostaphylos nevadensis Joseph P. Tracy 1923-6-30 6494 Trinity near summit (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1066 Comment
  UCR48864  Artemisia douglasiana R. D. Goeden, Don W. Ricker 1987-9-1 870901- 01 Trinity Mad River Rd, 3 mi south of St. Hwy 36, Trinity Nat. For. 766 Comment
  HSC73189  Asclepias cordifolia R. York 1980-5-25 795 Trinity Near Browns Canyon 823 Comment
  HSC35658  Astragalus rattanii var. rattanii Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2081 Trinity Van Duzen River; Brown's Canyon Campground Comment
  RSA18722  Astragalus rattanii var. rattanii Volney Rattan 1882-06 s.n. Mendocino Prairie north of Mad River and prairie near [Mt.] Van Dusen; also on Rattlesnake Creek. Comment
  HSC74093  Avena barbata M. A. Baker 1980-5-25 1614 Trinity Near Browns Canyon. 823 Comment
  CAS-BOT-BC16771  Barbarea orthoceras Ella Dales Cantelow 1939-6-8 2647 Trinity South Fork Mountain, Blake Lookout Road. 5.4 miles from main Red Bluff-Alton Highway. Comment
  HSC35810  Berberis aquifolium Thomas W. Nelson, Jane Nelson, James Nelson 1975-6-21 1926 Trinity Brown's Canyon Campground. Comment
  CAS-BOT-BC75732  Berberis nervosa L. B. Kildale 1930-7-20 10321 Trinity Van Duzen River near Cobbs. Comment
  CAS-BOT-BC75948  Berberis piperiana Milo S. Baker 1946-6-16 11495 Trinity Along Forest Road, South Fork Mountain. 1615 Comment
  HSC25983  Brickellia californica Thomas W. Nelson 1970-9-3 232 Humboldt Mad River. Comment
  UC146225  Brodiaea elegans subsp. elegans Joseph P. Tracy 1908-6 2855 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC249786  Bromus commutatus Joseph P. Tracy 1923-7-1 6511 Trinity Northern Coast Ranges, South Fork Mountain, near summit on road to Low Gap of Mad River South Fork Mountain; Northern Coast Ranges, South Fork Mountain 1066 Comment
  HSC50850  Bromus hordeaceus G. L. Clifton, Overton 1979-6-3 3608 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC74094  Bromus hordeaceus M. A. Baker 1980-5-25 1613 Trinity Near Browns Canyon. 823 Comment
  UC187099  Bromus hordeaceus Joseph P. Tracy 1908-6 2690 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  HSC74123  Bromus tectorum M. A. Baker 1980-5-25 1604 Trinity Near Browns Canyon. 823 Comment
  JEPS20948  Cacaliopsis nardosmia Joseph P. Tracy 1940-5-17 16559 Trinity Low Gap 853 Comment
  UC673088  Cacaliopsis nardosmia Joseph P. Tracy 1940-5-17 16559 Trinity Low Gap 853 Comment
  CAS-BOT-BC85701  Calocedrus decurrens L. B. Kildale 1930-7-20 10322 Trinity Van Duzen River near Cobbs Comment
  CAS-BOT-BC85703  Calocedrus decurrens Doris K. Kildale 1926-9-9 2683 Trinity Black Oaks near Low Gap of Mad River 746 Comment
  HSC74133  Calochortus tolmiei M. A. Baker 1980-5-25 1589 Trinity Near Browns Canyon. 823 Comment
  CHSC31271  Calypso bulbosa Mark Stopher 1980-6-11 111 Trinity Along route 36, 0.3 miles E of Mad River bridge. Comment
  UC144059  Camissonia contorta Joseph P. Tracy 1908-6 2687 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC76272  Campanula scouleri John Demarinis 1981-7-23 856 Trinity Near Browns Canyon. 899 Comment
  UC1222704  Cardamine nuttallii Joseph P. Tracy 1950-4-25 18635 Trinity about 3 mi se Kuntz (along Van Duzen River); , se of Kuntz Comment
  HSC50845  Cardamine oligosperma G. L. Clifton, Walter Overton 1979-6-3 3614 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC74119  Carex multicaulis M. A. Baker 1980-5-25 1600 Trinity Near Browns Canyon. 823 Comment
  UC195681  Carex multicaulis Joseph P. Tracy 1908-7-6 2792 Trinity between Van Duzen River and Mad River; Northern Coast Ranges, Low Gap 914 Comment
  HSC74142  Carex ovalis M. A. Baker 1980-5-25 1618 Trinity Near Browns Canyon. 823 Comment
  JEPS4188  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-13 3403 Trinity along State Highway 36, at the summit of the grade over South Fork Mountain, w Trinity County South Fork Mountain 1234 Comment
  HSC73184  Castilleja attenuata R. York 1980-5-25 802 Trinity Near Browns Canyon 823 Comment
  JEPS25752  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1908-6 2849 Humboldt opposite Buck Mountain (valley of Van Duzen River); Northern Coast Ranges 762 Comment
  CAS-BOT-BC48660  Ceanothus cordulatus Carl B. Wolf 1937-8-12 9160 Trinity North Coast Range, South Fork Mt., 8 3/10 Mi. So. of Cold Spring Lookout 1371 Comment
  RSA21676  Ceanothus cordulatus Carl B. Wolf 1937-8-12 9160 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  SD42564  Ceanothus cordulatus Carl B. Wolf 1937-8-12 9160 Trinity North Coast Range, South Fork Mt., 8 3/10 Mi. So. Of Cold Spring Lookout 1372 Comment
  CAS-BOT-BC50965  Ceanothus integerrimus J. T. Howell 1939-6-7 2644 Trinity 7 mi. S. E. of Dinsmores nr. Van Duzen River Comment
  CAS-BOT-BC50974  Ceanothus integerrimus Alice Eastwood 1921-7-21 10678 Trinity Van Duzen River Comment
  GH349490  Ceanothus integerrimus J. P. Tracy 1908-07-01 - 1908-08-01 2793 Unknown Ridge between Van Duzen and Mad Rivers near Low Gap, Humboldt and Trinity Counties 914 Comment
  UC166091  Centaurea melitensis Joseph P. Tracy 1908-6 2887 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC154039  Chimaphila umbellata Joseph P. Tracy 1908-6 2879 Humboldt opposite Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  SEINET11263070  Cirsium douglasii var. canescens Thomas Nelson 1976-7-9 2987 Humboldt Beside 1S07 just west of summit.; 0 1585 Comment
  UC1223059  Cirsium occidentale var. candidissimum Joseph P. Tracy 1941-8-24 17015 Trinity Along Trinity highway, west slope of South Fork Mountain. 1219 Comment
  CDA20187  Cirsium vulgare Lockhart 2003-7-28 PDR 1282585 Trinity Bixby Ranch 1296 Lamb Creek Rd, Mad River. 0 Comment
  UC906734  Clarkia amoena Harold E. Parks and Joseph P. Tracy 1942-7-2 11581 Trinity Trinity Highway South Fork Mt. 1066 Comment
  HSC35916  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1934 Trinity Browns Canyon Campground Comment
  HSC38166  Claytonia parviflora subsp. parviflora Thomas W. Nelson, Jane P. Nelson 1976-5-23 2511 Trinity Brown's Canyon Campground. Comment
  HSC72927  Claytonia parviflora subsp. parviflora R. York 1980-5-25 799 Trinity Near Browns Canyon 823 Comment
  HSC50853  Claytonia perfoliata G. L. Clifton, Overton 1979-6-3 3604 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC162972  Claytonia sibirica Joseph P. Tracy 1908-6 2860 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1197662  Clintonia uniflora Joseph P. Tracy 1923-6-30 6493 Trinity on road to Low Gap of Mad River (near summit South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1066 Comment
  UC1196747  Collinsia grandiflora Joseph P. Tracy 1923-7-1 6503 Trinity near summit of rd to Low Gap of Mad River; Northern Coast Ranges, South Fork Mtn 1219 Comment
  HSC38157  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1976-5-23 2500 Trinity Brown's Canyon Campground Comment
  HSC74098  Collinsia linearis M. A. Baker 1980-5-25 1608 Trinity Near Browns Canyon. 823 Comment
  UC147864  Collinsia parviflora Joseph P. Tracy 1908-6 2703 Humboldt Valley of Van Duzen River opposite Buck Mountain (Northern Coast Ranges); , Valley of Van Duzen River 762 Comment
  UC1196763  Collinsia rattanii Joseph P. Tracy 1908-6 2704 Humboldt opposite Buck Mountain (Northern Coast Ranges, Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS26340  Collinsia torreyi var. wrightii Harold E. Parks and Joseph P. Tracy 1942-7-2 11594 Trinity South Fork Mt.; gravelly flat known as the Racetrack 1645 Comment
  UC902230  Collinsia torreyi var. wrightii Joseph P. Tracy 1947-6-26 17729 Trinity South Fork Mountain, flat know as the Race Track South Fork Mountain 1676 Comment
  UC936239  Collinsia torreyi var. wrightii Harold E. Parks and Joseph P. Tracy 1942-7-2 11594 Trinity South Fork Mountain, flat know as the Race Track South Fork Mountain 1645 Comment
  HSC35639  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1936 Trinity Brown's Canyon Campground. Comment
  UC146169  Collomia grandiflora Joseph P. Tracy 1908-6 2872 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  UC146170  Collomia grandiflora Joseph P. Tracy 1908-6 2932 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  HSC73186  Collomia heterophylla R. York 1980-5-25 800 Trinity Near Browns Canyon 823 Comment
  UC1197847  Collomia heterophylla Joseph P. Tracy 1908-6 2702 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  CAS-BOT-BC230693  Collomia tracyi L. B. Kildale 1930-7-20 10427 Trinity Upper Van Duzen River near Cobb Comment
  UC133632  Collomia tracyi Joseph P. Tracy 1908-6 2719 Humboldt opposite Buck Mountain (sand bars along river); Northern Coast Ranges, valley of Van Duzen River; valley of Van Duzen River, opposite Buck Mt., Humboldt Co. 304 Comment
  UC133640  Collomia tracyi Joseph P. Tracy 1908-6 2720 Humboldt opposite Buck Mountain (along river on sand bar); Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC133733  Collomia tracyi Blankinship 1893-6-26 Trinity Upper Mad River Comment
  CAS-BOT-BC181553  Coptis laciniata L. B. Kildale 1930-7-20 10331 Trinity Van Duzen River near Cobbs Comment
  CAS-BOT-BC181554  Coptis laciniata L. B. Kildale 1930-7-20 10436 Trinity Upper Van Duzen River near Cobbs Comment
  UC160953  Coptis laciniata Joseph P. Tracy Jul 27 1908-Jul 30 1908 2729 Humboldt opposite Buck Mountain (Northern Coast Ranges, Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CHSC31332  Corallorhiza maculata Mark Stopher 1980-6-11 110 Trinity Along route 36, 0.3 miles E of Mad River bridge. Comment
  HSC50881  Corallorhiza maculata G. L. Clifton, Overton 1979-6-3 3654 Trinity Near Browns Canyon, close to the town of Forest Glen 780 Comment
  UC672863  Corallorhiza maculata Joseph P. Tracy 1940-5-17 16561 Trinity Low Gap 853 Comment
  UC672862  Corallorhiza striata Joseph P. Tracy 1940-5-17 16560 Trinity Low Gap 853 Comment
  UC183574  Cornus glabrata Joseph P. Tracy 1913-6-21 4251 Humboldt Van Duzen R. just below Low Gap; Northern Coast Ranges, Van Duzen R. 762 Comment
  CAS-BOT-BC210446  Cornus sericea L. B. Kildale 1930-7-20 10411 Trinity Van Duzen River near Cobbs Comment
  RSA134910  Cornus sessilis P. C. Everett, E. K. Balls, George B. Everett 1959-10-22 23924 Trinity 4.9 mi. W. of Shasta-Trinity Co. line along U.S. Hwy. 299 from Redding. Comment
  GH346851  Crataegus douglasii J. P. Tracy 1908-1-1 2847 Unknown Valley of Van Duzen River, opposite Buck Mountain 762 Comment
  UC1080303  Crataegus gaylussacia E. K. Balls 1957-5-25 22602 Humboldt State Hwy 36, Van Duzen River, W of Trinity-Humboldt Co. line 731 Comment
  RSA125671  Crataegus suksdorfii E. K. Balls 1957-5-25 22602 Humboldt Hwy 36, Van Duzen River, W of Trinity Humboldt County Line. 732 Comment
  RSA21608  Crataegus suksdorfii Carl B. Wolf 1937-8-11 9152 Trinity N Coast range, upper Mad River, 0.2 mile below Mad River Store. 610 Comment
  UC249838  Crepis bakeri subsp. bakeri Joseph P. Tracy 1923-7-1 6513 Trinity near summit on road from Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1066 Comment
  UC164830  Crepis pleurocarpa Joseph P. Tracy July, 1908 2794 Trinity Low Gap Northern Coast Ranges (ridge between Van Duzen and Mad Rivers) 914 Comment
  UC525595  Cryptantha torreyana Joseph P. Tracy 1923-7-1 6500 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1219 Comment
  HSC38156  Cynoglossum grande Thomas W. Nelson, Jane P. Nelson 1976-5-23 2499 Trinity Brown's Canyon Campground. Comment
  HSC73202  Cynoglossum grande R. York 1980-5-25 792 Trinity Near Browns Canyon 823 Comment
  HSC38951  Cynosurus echinatus J. P. Smith, J. O. Sawyer 1975-6-21 8205 Trinity Six Rivers National Forest, Brown Canyon Camp Comment
  UC1488742  Cypripedium fasciculatum Marc Baker 1980-5-23 1401 Trinity near Tierney Canyon; Blocksburg Quad. 227 Comment
  UC672861  Cypripedium montanum Joseph P. Tracy 1940-5-17 16562 Trinity Low Gap Comment
  HSC50826  Cystopteris fragilis G. L. Clifton, Overton 1979-6-3 3636 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  CAS-BOT-BC192291  Danthonia californica David D. Keck 1944-7-10 5489 Trinity 1 mi. N.W. of Mad River P.O. 822 Comment
  CAS-BOT-BC192294  Danthonia californica David D. Keck 1944-7-10 5489 Trinity 1 mi. N.W. of Mad River P.O. 822 Comment
  CAS-BOT-BC192298  Danthonia californica Sack; Iverson 1933-7-8 G- 6 Trinity Trinity National Forest. Rock Cr. 853 Comment
  HSC74055  Danthonia californica Marc Baker 1980-5-25 1585 Trinity Near Browns Canyon. 823 Comment
  UC717991  Danthonia californica David D. Keck 1944-7-10 5489 Trinity 1 mi nw Mad River P.O. 822 Comment
  HSC38165  Delphinium nudicaule Thomas W. Nelson, Jane P. Nelson 1976-5-23 2510 Trinity Brown's Canyon Campground. Comment
  HSC50821  Delphinium trolliifolium G. L. Clifton, Overton 1979-6-3 3642 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC1196343  Delphinium trolliifolium Joseph P. Tracy 1908-6 2774 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC160931  Delphinium trolliifolium Joseph P. Tracy 1908-6 2713 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC160942  Delphinium trolliifolium Joseph P. Tracy Jul 27 1908-Jul 30 1908 2712 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC162815  Delphinium trolliifolium Joseph P. Tracy 1908-6 2774 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC162819  Delphinium trolliifolium Joseph P. Tracy 1908-6 2712 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC35914  Deschampsia danthonioides Thomas W. Nelson, Jane P. Nelson 1975-6-21 1929 Trinity Brown's Canyon Campground. Comment
  HSC50836  Deschampsia danthonioides G. L. Clifton, Overton 1979-6-3 3626 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC1103224  Deschampsia danthonioides Joseph P. Tracy 1908-6 2753 Humboldt opposite Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  HSC35915  Deschampsia elongata Thomas W. Nelson, James Nelson 1975-6-21 1927 Trinity Brown's Canyon Campground. Comment
  HSC50819  Deschampsia elongata G. L. Clifton, Overton 1979-6-3 3645 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC187265  Deschampsia elongata Joseph P. Tracy 1908-6 2710 Humboldt opposite Buck Mt. Buck Mt.; Northern Coast Ranges, valley of Van Duzen R. 762 Comment
  UC1116209  Dicentra uniflora Joseph P. Tracy 1946-6-16 17584 Trinity Race Track; South Fork Mountain 1676 Comment
  UC906698  Dicentra uniflora Harold E. Parks and Joseph P. Tracy 1942-7-2 11593 Trinity Race Track; South Fork Mountain 1645 Comment
  HSC73204  Dichelostemma capitatum subsp. capitatum R. York 1980-5-25 790 Trinity Near Browns Canyon 823 Comment
  SEINET200694  Dichelostemma congestum Joseph P. Tracy 1932-6-17 10182 Trinity Three Forks of Mad River 884 Comment
  UC1046519  Dichelostemma ida-maia R. Bacigalupi, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3402 Trinity along State Highway 36, at the summit of grade over South Fork Mountain South Fork Mountain 1234 Comment
  CAS-BOT-BC153312  Diplacus kelloggii L. B. Kildale 1930-7-20 10429 Trinity Upper Van Duzen River near Cobbs Comment
  UC146140  Disporum smithii Joseph P. Tracy 1908-6 2867 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 304 Comment
  HSC73203  Dodecatheon hendersonii R. York 1980-5-25 791 Trinity Near Browns Canyon 289 Comment
  UC1222565  Dodecatheon hendersonii Joseph P. Tracy 1950-4-20 18631 Trinity about 3 mi s Kuntz (4 mi se of Low Gap, along Van Duzen River); along Van Duzen River se of Low Gap, s of Kuntz 792 Comment
  UC1222566  Dodecatheon hendersonii Joseph P. Tracy 1950-4-20 18632 Trinity 4 mi se Low Gap (Van Duzen River); , se of Low Gap 792 Comment
  UC1222665  Draba verna Joseph P. Tracy 1950-4-20 18625 Trinity 4 mi se Low Gap (above Kuntz, Van Duzen River); Van Duzen River, se of Low Gap 792 Comment
  UC1103204  Elymus glaucus Joseph P. Tracy 1908-6 2856 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC144085  Epilobium densiflorum Joseph P. Tracy 1908-6 2850 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC314611  Epilobium hallianum Joseph P. Tracy 1923-7-1 6505 Trinity near summit (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1066 Comment
  HSC73893  Equisetum telmateia subsp. braunii M. A. Baker 1980-5-25 1624 Trinity Near Browns Canyon. 823 Comment
  UC1198998  Eremocarpus setiger Joseph P. Tracy 1908-6 2851 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC35660  Eriogonum luteolum var. luteolum Thomas W. Nelson, James Nelson 1975-7-20 2083 Trinity Van Duzen River; Brown's Canyon Campground Comment
  HSC35661  Eriogonum luteolum var. luteolum Thomas W. Nelson, James Nelson 1975-7-20 2083 Trinity Van Duzen River; Brown's Canyon Campground Comment
  UC1198111  Eriogonum luteolum var. luteolum Joseph P. Tracy 1939-9-4 16484 Trinity Van Duzen River bar opposite Low Gap; Van Duzen River 792 Comment
  UC146153  Eriogonum luteolum var. luteolum Joseph P. Tracy July, 1908 2788 Trinity near Low Gap (ridge between Van Duzen River and Mad River) 457 Comment
  HSC35958  Eriogonum nudum var. nudum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1941 Trinity Brown's Canyon Campground Comment
  UC165787  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1908-6 2695 Humboldt opposite Buck Mountain (gravel bar of river); Van Duzen River 762 Comment
  HSC70280  Erysimum capitatum var. capitatum M. A. Baker 1980-5-25 1579 Trinity Near Browns Canyon 823 Comment
  CHSC35556  Erythranthe cardinalis Thomas W. Nelson; Jane P. Nelson 1977-7-1 3541 Trinity Along edge of Van Duzen River at Brown's Canyon. 670 Comment
  HSC74051  Eschscholzia californica M. A. Baker 1980-5-25 1581 Trinity Near Browns Canyon 823 Comment
  CAS-BOT-BC202775  Euonymus occidentalis L. B. Kildale 1930-10-5 10437 Trinity Van Duzen River near Cobbs Comment
  CAS-BOT-BC202776  Euonymus occidentalis L. B. Kildale 1930-7-20 10413 Trinity Upper Van Duzen River near Cobbs Comment
  UC165805  Euonymus occidentalis var. occidentalis Joseph P. Tracy 1908-6 2866 Humboldt opposite Buck Mt.; Northern Coast Ranges, Van Duzen R. Valley 762 Comment
  HSC74121  Festuca californica M. A. Baker 1980-5-25 1606 Trinity Near Browns Canyon. 823 Comment
  HSC9851  Festuca californica R. H. Berg 1963-5-11 69 Trinity Near Mad River Ranger Station 915 Comment
  UC187110  Festuca elmeri Joseph P. Tracy 1908-6 2741 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC187114  Festuca occidentalis Joseph P. Tracy 1908-6 2705 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC74141  Festuca pratensis M. A. Baker 1980-5-25 1616 Trinity Near Browns Canyon. 823 Comment
  UC1103706  Festuca subulata Joseph P. Tracy 1908-6 2741 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  A378106  Frangula purshiana C. B. Wolf 1937-8-12 9164 Unknown North coast range, South Fork Mt., 8 3/10 mi. so. of Cold Spring Lookout 1371 Comment
  A378108  Frangula purshiana C. B. Wolf 1937-8-12 9166 Unknown North coast range, South Fork Mt., 8 3/10 mi. so. of Cold Spring Lookout 1371 Comment
  CAS-BOT-BC55690  Frangula purshiana Carl B. Wolf 1937-8-12 9166 Trinity North coast range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  CAS-BOT-BC55691  Frangula purshiana Carl B. Wolf 1937-8-12 9164 Trinity North coast range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  CAS-BOT-BC55692  Frangula purshiana Carl B. Wolf 1937-8-12 9164 Trinity North coast range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  CAS-BOT-BC55693  Frangula purshiana Carl B. Wolf 1937-8-11 9156 Trinity North coast range, Upper Mad River, 2/10 mi. below Mad River Store 609 Comment
  CAS-BOT-BC55696  Frangula purshiana Carl B. Wolf 1937-8-12 9166 Trinity North coast range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  CAS-BOT-BC59969  Frangula purshiana Volney Rattan 1882-6-1 s.n. Humboldt Mad River. Comment
  SBBG26933  Frangula purshiana subsp. purshiana C. B. Wolf 1937-8-12 Trinity South Fork Mtn, 8.3 mi S of Cold Spring Lookout 1371 Comment
  HSC38151  Fritillaria affinis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2497 Trinity Brown's Canyon Campground. Comment
  UC1222540  Fritillaria recurva Joseph P. Tracy 1950-4-20 18629 Trinity 4 mi se of Low Gap (near Kuntz, Van Duzen River); Van Duzen River 792 Comment
  UC1115825  Galium ambiguum subsp. ambiguum Joseph P. Tracy 1939-5-30 16307 Trinity Low Gap Mad River 792 Comment
  HSC52985  Galium aparine G. L. Clifton, Overton 1979-6-3 3605 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC169003  Galium mexicanum var. asperulum Joseph P. Tracy 1908-6 2861 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC169032  Galium triflorum Joseph P. Tracy 1908-6 2862 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC153966  Gaultheria shallon Joseph P. Tracy 1908-6 2863 Humboldt opposite of Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  OBI12030  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1937-8-12 9159 Trinity North Coast Range, South Fork MT, 8-3/10 mi S of Cold Spring Lookout 1372 Comment
  UC1222840  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1950-7-25 19052 Trinity 1 mi s the Racetrack; South Fork Mountain 1645 Comment
  UC144070  Gayophytum diffusum subsp. parviflorum Joseph P. Tracy 1908-6 2800 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC774983  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1937-8-12 9159 Trinity 8.3 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1371 Comment
  UC1196961  Gayophytum humile Joseph P. Tracy 1923-7-1 6502 Trinity South Fork Mountain Northern Coast Ranges (near summit on road to Low Gap of Mad River, along streamlet) 1066 Comment
  UC1222841  Gayophytum humile Joseph P. Tracy 1950-7-25 19053 Trinity 1 mi s the Racetrack; South Fork Mountain 1645 Comment
  UC144065  Gayophytum humile Joseph P. Tracy 1908-6 2688 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  UC183531  Glyceria elata Joseph P. Tracy 1908-6 2770 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC5255564  Hackelia bella Joseph P. Tracy 1923-7-1 6499 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1219 Comment
  UC176756 Image available Hemizonia congesta subsp. tracyi J. P. Tracy 1908-7-30 2754 Humboldt opposite Buck Mountain; valley of Van Duzen River; valley of Van Duzen River opposite Buck Mt., Humboldt Co. 762 Comment
  UC552351  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1908-6 2754 Humboldt Buck Mt., Valley of Van Duzen River 762 Comment
  HSC35657  Heterotheca oregona var. rudis Thomas W. Nelson, James Nelson 1975-7-20 2080 Trinity Van Duzen River; Brown's Canyon Campground Comment
  UC165075  Heterotheca oregona var. rudis Joseph P. Tracy 1908-6 2924 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50837  Heuchera micrantha G. L. Clifton, Overton 1979-6-3 3625 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC154083  Heuchera micrantha var. diversifolia Joseph P. Tracy 1908-6 2865 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  UC154228  Holodiscus discolor Joseph P. Tracy 1908-6 2927 Humboldt opposite of Buck Mountain (Northern Coast Ranges, Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC152407  Holodiscus discolor var. discolor L. B. Kildale 1930-7-20 10329 Trinity Van Duzen River near Cobbs Comment
  UC659504  Hydrophyllum occidentale Lincoln Constance, Alan A. Beetle with Joseph P. Tracy 1940-5-17 2616 Trinity near summit Low Gap of Mad River 853 Comment
  HSC50840  Idahoa scapigera G. L. Clifton, Walter Overton 1979-6-3 3620 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  JEPS93194  Iris macrosiphon Carol A. Wilson 1992-4-25 92 -6.5- Trinity 2.6 mi e of turnoff to Ruth Lake (on Hwy 36, e of Mad River) 1028 Comment
  HSC71032  Lasthenia californica Thomas W. Nelson 1977-4-20 3324 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  JEPS9677  Lasthenia californica subsp. californica W. L. Jepson 1934-5-6 16679 Trinity e Low Gap (near Mad River store) Comment
  HSC50888  Lathyrus polyphyllus G. L. Clifton, Overton 1979-6-3 3661 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC38163  Lathyrus tracyi Thomas W. Nelson, Jane P. Nelson 1976-5-23 2509 Trinity Brown's Canyon Campground. Comment
  HSC50890  Lathyrus tracyi G. L. Clifton, Overton 1979-6-3 3663 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC71033  Leptosiphon bicolor Thomas W. Nelson 1977-4-20 3325 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  CAS-BOT-BC341926  Lessingia nemaclada L. B. Kildale 1930-10-5 10444 Trinity Van Duzen River near Cobbs Comment
  UC176462  Lessingia nemaclada Joseph P. Tracy 1908-6 2889 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC76405  Ligusticum apiifolium D. K. Imper 1981-7-23 853 Trinity Near Browns Canyon 899 Comment
  CAS-BOT-BC130855  Lilium pardalinum L. B. Kildale 1930-7-20 10320 Trinity Van Duzen River near Cobbs Comment
  UC1198237  Lilium pardalinum Joseph P. Tracy 1908-6 2868 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC902039  Lilium pardalinum Joseph P. Tracy 1949-7-16 18367 Trinity 1 mi s Racetrack (at Buck Spring, n of crossing of Trinity Highway); South Fork Mountain, Buck Spring 1645 Comment
  UC1198251  Lilium rubescens Joseph P. Tracy 1908-6 2864 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC73187  Limnanthes douglasii R. York 1980-5-25 796 Trinity Near Browns Canyon 823 Comment
  UC602519  Linnaea borealis var. longiflora Joseph P. Tracy 1923-6-30 6492 Trinity near summit on road to Low Gap Mad River (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1219 Comment
  UC1103030  Listera convallarioides Joseph P. Tracy 1923-7-1 6490 Trinity near summit South Fork Mountain (on road to Low Gap of Mad River); Northern Coast Ranges 1066 Comment
  HSC38164  Lithophragma affine Thomas W. Nelson, Jane P. Nelson 1976-5-23 2510 Trinity Brown's Canyon Campground. Comment
  GH363810  Lithophragma campanulatum J. P. Tracy 1940-5-17 16558 Unknown Low Gap - between Van Duzen + Mad River 853 Comment
  UC667088  Lithophragma campanulatum Joseph P. Tracy 1940-5-17 16558 Trinity between Van Duzen and Mad River (Low Gap); between Van Duzen and Mad River, Low Gap 853 Comment
  RSA661473  Lomatium macrocarpum Vasu Dev, Barbara Dev 2001-6-11 s.n. Trinity Brown's Camp ca. 3 to 4 miles south on road 511 from its junction with Hwy 36. 783 Comment
  HSC74050  Lomatium utriculatum M. A. Baker 1980-5-25 1580 Trinity Near Browns Canyon. 823 Comment
  UC1225813  Lonicera interrupta Joseph P. Tracy 1942-7-2 17374 Trinity half way up w side South Fork Mountain (along Trinity River highway); Northern Coast Ranges, South Fork Mountain 1066 Comment
  UC162838  Lotus denticulatus Joseph P. Tracy 1908-6 2756 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1223403  Lotus nevadensis var. nevadensis Joseph P. Tracy 1942-7-2 17372 Trinity w slope South Fork Mountain (on highway to Red Bluff) 1066 Comment
  UC1197286  Lotus purshianus var. purshianus Joseph P. Tracy 1908-6 2885 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1223421  Lotus purshianus var. purshianus Joseph P. Tracy 1949-7-16 18363 Trinity 1 mi s Racetrack (near Buck Spring); South Fork Mountain Comment
  UC1223409  Lotus yollabolliensis Joseph P. Tracy 1937-7-29 15568 Trinity s of Eight Mile Ridge (South Fork Mountain, flat known as Race Track); South Fork Mountain 1676 Comment
  UC1080302  Lupinus adsurgens E. K. Balls 1957-5-25 22571 Trinity State Hwy 36, 15.4 mi nw from Forest Glen; nw from Forest Glen 762 Comment
  HSC73183  Lupinus bicolor R. York 1980-5-25 804 Trinity Near Browns Canyon 823 Comment
  UC156984  Lupinus bicolor Joseph P. Tracy 1908-6 2693 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC156991  Lupinus bicolor Joseph P. Tracy 1908-6 2693 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC74058  Lupinus latifolius M. A. Baker 1980-5-25 1593 Trinity Near Browns Canyon. 823 Comment
  UC156999  Lupinus luteolus Joseph P. Tracy 1908-6 2696 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50848  Luzula comosa G. L. Clifton, Overton 1979-6-3 3610 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  CAS-BOT-BC441395  Luzula subsessilis Roxana S. Ferris; Laura Lorraine 1948-6-11 11679 Trinity Junction of Mad River Rock Lookout Station Road & State Hwy 36, ca. 24 mi. E of Bridgeville, 6 Rivers Natl. Forest Comment
  UC796440  Luzula subsessilis Roxana S. Ferris and Laura Lorraine 1948-6-11 11679 Trinity Junction of Mad River, Rock Lookout Station Road and State Highway 36, ca 24 mi E of Bridgeville, 6 Rivers National Forest Comment
  HSC35912  Madia exigua Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1932 Trinity Brown's Canyon Campground. Comment
  HSC50846  Madia exigua G. L. Clifton, Overton 1979-6-3 3613 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC38174  Maianthemum racemosum subsp. amplexicaule Thomas W. Nelson, Jane P. Nelson 1976-5-23 2513 Trinity Brown's Canyon Campground. Comment
  HSC50887  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Overton 1979-6-3 3660 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  CAS-BOT-BC347585  Malacothrix floccifera L. B. Kildale 1930-10-5 10450 Trinity Van Duzen River near Cobbs Comment
  UC164791  Malacothrix floccifera Joseph P. Tracy July, 1908 2789 Trinity near Low Gap (ridge between Van Duzen and Mad Rivers); Northern Coast Ranges 914 Comment
  HSC74053  Marah oregana M. A. Baker 1980-5-25 1586 Trinity Near Browns Canyon 823 Comment
  UC162808  Medicago sativa Joseph P. Tracy 1908-6 2857 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC282045  Melica fugax Milo S. Baker 1946-6-16 11511 Trinity Race Track on South Fork Mountain 1676 Comment
  SEINET200363 Image available Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity South Fork Mountain Gravelly flat known as the 'Race Track'. 1676 Comment
  UC1145130  Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity Race Track; South Fork Mountain 1676 Comment
  UC727680  Melica fugax Milo S. Baker 1946-6-16 11511 Trinity Race Track; South Fork Mt. 1676 Comment
  UCD87260  Melica fugax Milo S. Baker 1946-6-16 11511 Trinity Race Track' on South Fork Mt. 1676 Comment
  UCD87296  Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity South Fork Mountain. 1676 Comment
  HSC68964  Melica geyeri Jacqueline Greenleaf 1980-5-24 100 Trinity Near Browns Canyon. 792 Comment
  HSC74120  Melica geyeri M. A. Baker 1980-5-25 1607 Trinity Near Browns Canyon. 823 Comment
  UC682066  Melica harfordii G. L. Stebbins Jr. and G. L. Church 1941-5-27 3116 Trinity 2 mi w, near Forest Ranger station Mad River 1066 Comment
  HSC51339  Melica subulata G. L. Clifton, Overton 1979-6-3 3603 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC154001  Mentha canadensis Joseph P. Tracy 1908-6 2930 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC166483  Mentzelia laevicaulis var. laevicaulis Joseph P. Tracy 1908-6 2933 Humboldt Opposite Buck Mountain; Northern Coast Ranges,Valley of Van Duzen River 762 Comment
  HSC74140  Micropus californicus var. californicus M. A. Baker 1980-5-25 1615 Trinity Near Browns Canyon. 823 Comment
  UC1223194  Microseris laciniata subsp. laciniata Joseph P. Tracy 1942-7-3 17393 Trinity 4 mi se Low Gap (Van Duzen River, three mi se of Kuntz); Van Duzen River 792 Comment
  UC249881  Microseris laciniata subsp. laciniata Joseph P. Tracy 1923-7-1 6510 Trinity near summit on road to Low Gap of Mad River (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1066 Comment
  HSC71036  Microsteris gracilis Thomas W. Nelson 1977-4-20 3328 Humboldt Along FS Rd. 1N15 at bridge over Mad River 457 Comment
  HSC69900  Mimulus cardinalis Thomas W. Nelson, Jane P. Nelson 1977-7-1 3541 Trinity Along Edge of Van Duzen River at Brown's Canyon 671 Comment
  UC1196775  Mimulus cardinalis Joseph P. Tracy 1908-6 2928 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC35659  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1975-7-20 2082 Trinity Van Duzen River; Brown's Canyon Campground Comment
  CAS-BOT-BC314180  Monardella villosa subsp. subserrata L. B. Kildale 1930-7-20 10420 Trinity Upper Van Duzen River near Cobbs. 746 Comment
  UC161032  Montia diffusa Joseph P. Tracy 1908-6 2725 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC445104  Montia linearis Roxana S. Ferris; Laura Lorraine 1948-6-11 11677 Trinity Junction of Mad River Rock Lookout Station Road & State Highway 36, ca. 24 mi. e. of Bridgeville, 6 Rivers Natl. Forest Comment
  CAS-BOT-BC445105  Montia linearis Roxana S. Ferris; Laura Lorraine 1948-6-11 11677 Trinity Junction of Mad River Rock Lookout Station Road & State Highway 36, ca. 24 mi. e. of Bridgeville, 6 Rivers Natl. Forest Comment
  UC796530  Montia linearis Roxana S. Ferris and Laura Lorraine 1948-6-11 11677 Trinity 24 mi e of Bridgeville (junction of Mad River Rock Lookout Station Road and State Hwy 36, Six Rivers National Forest); Six Rivers National Forest Comment
  UC162970  Montia parvifolia Joseph P. Tracy 1908-6 2708 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC133661  Navarretia divaricata subsp. vividior Joseph P. Tracy 1908-6 2721 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC146173  Navarretia intertexta Joseph P. Tracy 1908-6 2799 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC1197902  Navarretia linearifolia subsp. linearifolia Joseph P. Tracy 1908-6 2931 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC1198529  Navarretia squarrosa Joseph P. Tracy 1908-6 2853 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC133642  Navarretia tagetina Joseph P. Tracy 1908-6 2818 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC146186  Nemophila parviflora Joseph P. Tracy 1908-6 2726 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley Van Duzen River 304 Comment
  HSC71030  Nemophila pedunculata Thomas W. Nelson 1977-4-20 3322 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UC146185  Nemophila pedunculata Joseph P. Tracy 1908-6 2700 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 457 Comment
  UC1197450  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1908-6 2881 Humboldt Valley of Van Duzen River, opposite Buck Mountain. Comment
  UC1197135  Orogenia fusiformis Joseph P. Tracy 1946-6-16 17585 Trinity S. Fork Mt., the Race Track 1676 Comment
  UC727679  Orogenia fusiformis Milo S. Baker 1946-6-16 11512 Trinity S. Fork Mt., Race Track 1676 Comment
  UC906733  Orogenia fusiformis Harold E. Parks and Joseph P. Tracy 1942-7-2 11592 Trinity S. Fork Mt., the Racetrack 1645 Comment
  UC1197572  Orthilia secunda Joseph P. Tracy 1923-6-30 6489 Trinity South Fork Mountains, near Summit on road to Low Gap of Mad River 1066 Comment
  HSC68590  Osmorhiza berteroi Jacqueline Greenleaf 1980-7-9 158 Trinity Near Mad River Ridge 1006 Comment
  HSC68715  Osmorhiza berteroi Jacqueline Greenleaf 1980-5-24 98 Trinity Near Browns Canyon. 792 Comment
  HSC74310  Osmorhiza berteroi M. A. Baker 1980-5-25 1620 Trinity Near Browns Canyon. 823 Comment
  UC1197133  Osmorhiza berteroi Joseph P. Tracy Jul 27 1908-Jul 30 1908 2738 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  HSC38161  Osmorhiza purpurea Thomas W. Nelson, Jane P. Nelson 1976-5-23 2506 Trinity Brown's Canyon Campground. Comment
  CAS-BOT-BC28843  Paeonia brownii Doris K. Kildale 1926-4-18 1780 Trinity Low Gap of Mad River 746 Comment
  UC187238  Panicum capillare Joseph P. Tracy 1908-6 2929 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1222792  Pedicularis densiflora Joseph P. Tracy 1950-4-20 18633 Trinity about 3 mi se of Kuntz (along the Van Duzen River); Van Duzen River Comment
  SD42567  Penstemon azureus Carl B. Wolf 1937-8-11 9150 Trinity North Coast Range, Upper Mad River, 2/10 mi. below Mad River Store 609 Comment
  UC717992  Penstemon azureus var. azureus David D. Keck 1944-7-10 5488 Trinity just nw Mad River P.O. (Mad River Bridge Public Camp); in sand along Mad River 746 Comment
  SEINET200703 Image available Penstemon azureus var. parvulus Joseph P. Tracy 1930-6-29 8804 Trinity Near Ruth. Rocky bar along Mad River 792 Comment
  NY601688  Penstemon heterophyllus var. heterophyllus J. P. Tracy 1930-6-29 8804 Trinity Near Ruth. Rocky bar along Mad River. 792.5 Comment
  UC146234  Penstemon heterophyllus var. purdyi Joseph P. Tracy 1908-6 2804 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC709388  Perideridia oregana Joseph P. Tracy 1941-8-27 17016 Trinity South Fork Mt. Northern Coast Ranges (near summit on road to Low Gap of Mad River) 1280 Comment
  HSC37563  Phalaris aquatica A. M. Montalvo, J. D. Ackerman 1975-7-16 556 Shasta Hwy 36 near Shasta-Trinity National Forest boundary. Comment
  CAS-BOT-BC77442  Philadelphus lewisii Sack; Iverson 1933-7-9 G- 22 Trinity Trinity National Forest, Rock Creek 853 Comment
  UC154110  Philadelphus lewisii Joseph P. Tracy 1908-6 2886 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  CAS-BOT-BC250955  Phleum pratense Sack; Iverson 1933-7-4 G 1 Trinity Trinity National Forest, near Rock Cr. 853 Comment
  UC187279  Phleum pratense Joseph P. Tracy July, 1908 2892 Humboldt ridge between Van Duzen and Mad Rivers (near Low Gap, Humboldt and Trinity Counties); Northern Coast Ranges, between Van Duzen and Mad Rivers 914 Comment
  HSC73181  Phoradendron serotinum subsp. tomentosum R. York 1980-5-25 810 Trinity Near Browns Canyon 823 Comment
  UC1196926  Pinus ponderosa Joseph P. Tracy 1926-8-22 7773 Trinity Low Gap, between Van Duzen and Mad River; Northern Coast Ranges of California 762 Comment
  HSC35909  Plagiobothrys tenellus Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-6-21 1930 Trinity Brown's Canyon Campground. Comment
  UC526816  Plagiobothrys tener Joseph P. Tracy 1923-7-1 6516 Trinity Low Gap Northern Coast Ranges, Mad River 762 Comment
  UC275577  Platanthera stricta Joseph P. Tracy 1923-7-1 6491 Trinity near summit on road to Low Gap Mad River (South Fork Mountain); Northern Coast Ranges, , Mad River 1066 Comment
  HSC38172  Platystemon californicus Thomas W. Nelson, Jane P. Nelson 1976-5-23 2515 Trinity Brown's Canyon Campground Comment
  HSC38168  Plectritis macrocera Thomas W. Nelson, Jane Nelson 1976-5-23 2516 Trinity Brown's Canyon Campground. Comment
  HSC53377  Poa secunda subsp. secunda G. L. Clifton, Overton 1979-6-3 3602 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC1103168  Poa secunda subsp. secunda Joseph P. Tracy 1923-7-1 6509 Trinity near summit on rd to Low Gap of Mad River South Fork Mt; Northern Coast Ranges 1066 Comment
  UC146191  Polygonum californicum Joseph P. Tracy 1908-6 2922 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC1198078  Polygonum davisiae Joseph P. Tracy 1941-8-24 17033 Trinity close to Humboldt County Line; Northern Coast Ranges, South Fork Mountain 1706 Comment
  UC146188  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1908-6 2766 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC146189  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1908-6 2921 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC146160  Polygonum parryi Joseph P. Tracy 1908-6 2722 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  CAS-BOT-BC421089  Polygonum spergulariiforme L. B. Kildale 1930-10-5 10448 Trinity Van Duzen River near Cobbs. Comment
  HSC50825  Polystichum munitum G. L. Clifton, Overton 1979-6-3 3638 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC82351  Populus trichocarpa Thomas W. Nelson, Jane Nelson 1977-5-15 3383 Trinity Brown's Canyon Campground, Van Duzen River 762 Comment
  UC153994  Prunella vulgaris var. lanceolata Joseph P. Tracy 1908-6 2776 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC159974  Prunus emarginata Mrs. H. C. Cantelow 1939-6-8 s.n. Humboldt South Fork Mts. Blake Lookout Road, 7.2 miles from Junction Alton. Red Bluff Highway Comment
  CAS-BOT-BC163072  Prunus emarginata Carl B. Wolf 1937-8-12 9162 Trinity North Coast Range, South Fork Mountain, 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  RSA21678  Prunus emarginata Carl B. Wolf 1937-8-12 9162 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  UC1198768  Prunus virginiana var. demissa Joseph P. Tracy 1908-6 2852 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC68737  Pseudotsuga menziesii var. menziesii Jacqueline Greenleaf 1980-6-18 123 Trinity Near Van Duzen River. 884 Comment
  HSC74122  Pseudotsuga menziesii var. menziesii M. A. Baker 1980-5-25 1605 Trinity Near Browns Canyon. 823 Comment
  HSC35911  Psilocarphus oregonus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1931 Trinity Brown's Canyon Campground. Comment
  UC165838  Psilocarphus oregonus Joseph P. Tracy 1908-6 2798 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1225838  Pycnanthemum californicum Joseph P. Tracy 1942-9-6 17307 Trinity along highway from Low Gap w slope South Fork Mountain; Northern Coast Ranges, South Fork Mountain 1066 Comment
  HSC73894  Quercus chrysolepis M. A. Baker 1980-5-25 1623 Trinity Near Browns Canyon. 823 Comment
  UC774985  Quercus garryana Carl B. Wolf 1937-8-11 Trinity 2.3 mi below road to Blake Lookout; North Coast Range, South Fork Mt. Grade 762 Comment
  RSA21674  Quercus garryana var. garryana Carl B. Wolf 1937-8-11 9158 Trinity North Coast Range, South Fork Mt. Grade, 2.3 miles below road to Blake Lookout. 762 Comment
  CAS-BOT-BC105160  Quercus kelloggii H. E. McMinn 1922-8-5 330 Humboldt Mad River Comment
  CAS-BOT-BC105489  Quercus kelloggii Doris K. Kildale 1926-9-9 2682 Trinity Low Gap of Mad River 746 Comment
  CAS-BOT-BC105490  Quercus kelloggii Doris K. Kildale 1926-4-18 1781 Trinity Low Gap of Mad River 746 Comment
  HSC8266  Quercus kelloggii Doris K. Kildale 1926-9-9 2682 Humboldt Low Gap of Mad River at Black Oaks 747 Comment
  HSC74117  Ranunculus occidentalis M. A. Baker 1980-5-25 1601 Trinity Near Browns Canyon. 823 Comment
  JEPS60700  Ranunculus occidentalis W. L. Jepson 1934-5-6 16645 Trinity e of Low Gap (near Mad River store) Comment
  UC1196220  Ranunculus occidentalis Joseph P. Tracy 1908-6 2688 1/2 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC162863  Ranunculus occidentalis Joseph P. Tracy 1908-6 2689 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50857  Ranunculus occidentalis var. occidentalis G. L. Clifton, Overton 1979-6-3 3597 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  POM246420  Rhamnus purshiana Carl B. Wolf 1937-8-12 9166 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  POM246514  Rhamnus purshiana Carl B. Wolf 1937-8-12 9164 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  RSA21612  Rhamnus purshiana Carl B. Wolf 1937-8-11 9156 Trinity N Coast range, upper Mad River, 0.2 mile below Mad River Store. 610 Comment
  UC165824  Rhamnus purshiana Joseph P. Tracy 1908-6 2848 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC592919  Rhamnus purshiana Carl B. Wolf 1937-8-12 Trinity 8.3 mi s Cold Spring Lookout; North Coast Range, South Fork Mt. 1371 Comment
  UC592920  Rhamnus purshiana Carl B. Wolf 1937-8-12 Trinity 8.3 mi s Cold Springs Lookout; North Coast Ranges, South Fork Mt. 1371 Comment
  CAS-BOT-BC168851  Ribes inerme var. klamathense L. B. Kildale 1930-7-20 10412 Trinity Upper Van Duzen River near Cobbs Comment
  HSC35813  Ribes inerme var. klamathense Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1924 Trinity Brown's Canyon Campground. Comment
  UC154125  Ribes inerme var. klamathense Joseph P. Tracy 1908-6 2767 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  CAS-BOT-BC168894  Ribes lobbii Joseph P. Tracy 1946-6-16 17589 Trinity South Fork Mountain, gravelly flat known as the Race Track. 1676 Comment
  CAS-BOT-BC168895  Ribes lobbii Carl B. Wolf 1937-8-12 9161 Trinity North Coast Range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  HSC103231  Ribes lobbii Jade Paget-Seekins 2010-6-25 28 Trinity 5.3 miles up South Fork Mountain Road, slightly uphill from the road. 1603 Comment
  UC154120  Ribes lobbii Joseph P. Tracy 1908-6 2875 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC902102  Ribes lobbii Joseph P. Tracy 1946-6-16 17589 Trinity Gravelly flat known as the Race Track South Fork Mountain 1676 Comment
  HSC71034  Ribes roezlii Thomas W. Nelson 1977-4-20 3326 Humboldt Along FS Rd. 1N15 at bridge over Mad River 762 Comment
  UC154118  Ribes roezlii var. amictum Joseph P. Tracy 1908-6 2772 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC51340  Rigiopappus leptocladus G. L. Clifton, Overton 1979-6-3 3623 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC176486  Rigiopappus leptocladus Joseph P. Tracy Jul 27 1908-Jul 30 1908 2686 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1199036  Rosa gymnocarpa Joseph P. Tracy 1908-6 2730 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  CAS-BOT-BC146840  Rosa nutkana Volney Rattan 1878-1-1 s.n. Humboldt Mad River Comment
  UC303159  Rosa nutkana var. nutkana Joseph P. Tracy 1923-7-1 6497 Trinity near summit (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1066 Comment
  GH346078  Rosa pinetorum J. P. Tracy 1908-1-1 2873 Unknown Valley of Van Duzen River opposite Buck Mountain 762 Comment
  UC154203  Rosa pisocarpa Joseph P. Tracy 1908-6 2873 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  JEPS45688  Rosa spithamea Joseph P. Tracy 1923-7-1 6497 Trinity near summit (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1066 Comment
  HSC35814  Rubus leucodermis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1922 Trinity Brown's Canyon Campground. Comment
  RSA89562  Rubus leucodermis Philip A. Munz 1954-7-23 19862 Humboldt About 6 miles E of Dinsmore's. 762 Comment
  RSA89563  Rubus leucodermis Philip A. Munz 1954-7-23 19862 Humboldt About 6 miles E of Dinsmore's. 762 Comment
  UC154202  Rubus parviflorus Joseph P. Tracy 1908-6 2732 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UCD17849  Rubus ursinus H. Olmo 8-10 May 1962 62 41 Trinity California. Trinity County: 1.5 miles east of summit near Dinsmore. 975 Comment
  HSC74097  Rumex acetosella M. A. Baker 1980-5-25 1609 Trinity Near Browns Canyon. 823 Comment
  UC146143  Rumex crispus Joseph P. Tracy 1908-6 2806 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  UC1223233  Sagina saginoides Joseph P. Tracy 1950-7-25 19055 Trinity 1 mi. s. of Racetrack S. Fork Mt. 1645 Comment
  CAS-BOT-BC129530  Salix lasiandra var. lasiandra Doris K. Kildale 1926-9-9 2691 Trinity Black Oaks near Low Gap of Mad River Comment
  RSA47086  Salix melanopsis Doris K. Kildale 1926-9-9 2690 Humboldt Low gap of Mod River. Comment
  CAS-BOT-BC129154  Salix scouleriana Doris K. Kildale 1926-9-9 2687 Humboldt Black Oaks, near Low Gap of Mad River Comment
  RSA47090  Salix scouleriana Doris K. Kildale 1926-9-9 2687 Humboldt Low gap of Mod River. Comment
  RSA21137  Sambucus caerulea C. B. Wolf 1937-8-12 9165 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  CAS-BOT-BC245895  Sambucus nigra subsp. caerulea Carl B. Wolf 1937-8-12 9165 Trinity 8 3/10 mi. So. of Cold Spring Lookout, South Fork Mt., North Coast Range 1371 Comment
  SD42571  Sambucus nigra subsp. caerulea Carl B. Wolf 1937-8-12 9165 Trinity South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1370 Comment
  HSC38160  Sanicula crassicaulis Thomas W. Nelson, Jane P. Nelson 1976-5-23 2505 Trinity Brown's Canyon Campground. Comment
  HSC50880  Sanicula crassicaulis G. L. Clifton, Overton 1979-6-3 3653 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC74143  Sanicula crassicaulis M. A. Baker 1980-5-25 1619 Trinity Near Browns Canyon. 823 Comment
  GH424369  Sanicula tracyi C. R. Bell 1951-4-26 1090 Unknown near the Van Dunzen River about six miles southeast of Cobbs on the road to Ruth Comment
  GH424370  Sanicula tracyi J. P. Tracy 1939-5-30 16308 Unknown Low Gap, along Mad River 792 Comment
  HSC101019  Sanicula tracyi Carrie Schreiber 2012-6-5 22 Trinity Vicinity of Brown's Canyon; west of Van Duzen River, upslope, at hairpin turn along 1N10. From Hwy 36 to Rte 511, take water crossing on 1N10. 797 Comment
  HSC50909  Sanicula tracyi G. L. Clifton, Overton 1979-6-3 3684 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC65485  Sanicula tracyi M. A. Baker 1980-5-25 1590 Trinity Near Browns Canyon. 823 Comment
  HSC65486  Sanicula tracyi M. A. Baker 1980-5-25 1590 Trinity Near Browns Canyon. 823 Comment
  HSC65489  Sanicula tracyi M. A. Baker 1980-5-25 1592 Trinity Near Browns Canyon. 823 Comment
  HSC65831  Sanicula tracyi M. A. Baker 1980-5-25 1621 Trinity Near Browns Canyon. 823 Comment
  HSC66197  Sanicula tracyi R. York 1980-5-25 808 Trinity Near Browns Canyon 823 Comment
  HSC68608  Sanicula tracyi Jacqueline Greenleaf 1980-8-10 309 Trinity Near Mad River Ridge. 1067 Comment
  HSC68631  Sanicula tracyi Jacqueline Greenleaf 1980-7-9 153 Trinity Near Mad River Ridge. 1015 Comment
  HSC68635  Sanicula tracyi Jacqueline Greenleaf 1980-6-18 122 Trinity Near Van Duzen River. 884 Comment
  HSC68637  Sanicula tracyi Jacqueline Greenleaf 1980-5-24 93 Trinity Near Browns Canyon. 792 Comment
  UC1485834  Sanicula tracyi Jacqueline Greenleaf 1980-5-24 93 Trinity near Browns Canyon (Blocksburg Quadrangle, Coordinates as Lat.: 40 24' 50 290 mm left; Long: 123 31' 20 308 mm bottom) 289 Comment
  UC647524  Sanicula tracyi Joseph P. Tracy 1939-5-30 16308 Trinity along Mad River, Low Gap Mad River; , Low Gap 792 Comment
  HSC50813  Sanicula tuberosa G. L. Clifton, Overton 1979-6-3 3652 Trinity Near Browns Canyon, close to the town of Forest Glen 780 Comment
  SEINET3815690 Image available Sanicula tuberosa Joseph P. Tracy 1946-6-16 17583 Trinity South Fork Mountain; flat known as the 'Race Track 1676 Comment
  UC1197081  Sanicula tuberosa Joseph P. Tracy 1946-6-16 17583 Trinity South Fork Mountain, (flat known as the Race Track) South Fork Mountain 1676 Comment
  UC153998  Satureja douglasii Joseph P. Tracy 1908-6 2926 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC52760  Scleranthus annuus G. L. Clifton, Overton 1979-6-3 3646 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC154015  Scutellaria californica Joseph P. Tracy 1908-6 2817 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC1549240  Scutellaria californica Richard Olmstead 1983-7-7 434 Trinity tributary of Mad River (200 yards above bridge (Hwy 36) at Mad River Camp) 746 Comment
  HSC50844  Scutellaria tuberosa G. L. Clifton, Overton 1979-6-3 3615 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC154010  Scutellaria tuberosa Joseph P. Tracy Jul 27 1908-Jul 30 1908 2717 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC35913  Sedum radiatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1933 Trinity Brown's Canyon Campground. Comment
  HSC38159  Sedum radiatum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2503 Trinity Brown's Canyon Campground Comment
  UC108908  Sidalcea asprella subsp. nana Blankinship 1893-6-26 Trinity Upper Mad River Comment
  HSC74057  Sidalcea malviflora M. A. Baker 1980-5-25 1597 Trinity Near Browns Canyon 823 Comment
  UC146164  Sidalcea malviflora subsp. asprella Joseph P. Tracy 1908-6 2813 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 457 Comment
  HSC76244  Silene laciniata subsp. californica John Demarinis 1981-7-23 854 Trinity Near Browns Canyon. 899 Comment
  UC160974  Sisymbrium officinale Joseph P. Tracy 1908-6 2808 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  UC154014  Solanum umbelliferum Joseph P. Tracy 1908-7-1 2787 Trinity ridge between Van Duzen River and Mad River (at Low Gap); Northern Coast Ranges, Low Gap 914 Comment
  UC585973  Solanum umbelliferum Joseph P. Tracy 1923-7-1 6515 Trinity near summit South Fork Mountain (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1219 Comment
  CAS-BOT-BC157218  Sorbus californica Carl B. Wolf 1937-8-12 9181 Trinity North Coast Range, South Fork Mt., 3 mi. So. of Cold Spring Lookout 1524 Comment
  UC154007  Stachys ajugoides var. rigida Joseph P. Tracy 1908-6 2814 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC902068  Stachys ajugoides var. rigida Joseph P. Tracy 1949-7-16 18364 Trinity Race Track South Fork Mountain 1676 Comment
  UC162364  Stellaria borealis subsp. sitchana Joseph P. Tracy 1908-6 2884 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50816  Stellaria media G. L. Clifton, Overton 1979-6-3 3649 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC1198343  Stellaria nitens Joseph P. Tracy 1908-6 2737 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC161577  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy July 1908 2764 Humboldt ridge between Van Duzen and Mad Rivers near Low Gap; Northern Coast Ranges 914 Comment
  CAS-BOT-BC269642  Symphoricarpos albus var. laevigatus Sack; Iverson 1933-7-1 G- 23 Trinity Trinity National Forest. Rock Creek 883 Comment
  UC169337  Symphoricarpos albus var. laevigatus Joseph P. Tracy 1908-6 2883 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC35812  Symphoricarpos mollis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1923 Trinity Brown's Canyon Campground. Comment
  UC1103477  Taeniatherum caput-medusae Joseph P. Tracy 1941-6-29 16921 Trinity 5 mi se of Low Gap (Van Duzen River); Van Duzen River 792 Comment
  HSC50895  Tauschia kelloggii G. L. Clifton, Overton 1979-6-3 3669 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC73206  Tauschia kelloggii R. York 1980-5-25 805 Trinity Near Browns Canyon 823 Comment
  UC1198263  Taxus brevifolia Joseph P. Tracy 1908-6 2925 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 304 Comment
  HSC38153  Tellima grandiflora Thomas W. Nelson, Jane P. Nelson 1976-5-23 2498 Trinity Brown's Canyon Campground. Comment
  UC160904  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1908-6 2714 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC160922  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1908-6 2769 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC162865  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1908-6 2714 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  HSC50822  Thalictrum polycarpum G. L. Clifton, Overton 1979-6-3 3641 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC50823  Thalictrum polycarpum G. L. Clifton, Overton 1979-6-3 3640 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC38167  Thysanocarpus curvipes Thomas W. Nelson, Jane P. Nelson 1976-5-23 2517 Trinity Brown's Canyon Campground Comment
  CAS-BOT-BC447691  Tiarella trifoliata var. unifoliata L. B. Kildale 1930-7-20 10432 Trinity Upper Van Duzen River near Cobbs Comment
  UC154082  Tiarella trifoliata var. unifoliata Joseph P. Tracy 1908-6 2734 Humboldt opposite Buck Mountain; Northern Coast Ranges, Valley of Van Duzen River 762 Comment
  UC154107  Tolmiea diplomenziesii Joseph P. Tracy 1908-6 2876 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  UC147861  Tonella tenella Joseph P. Tracy 1908-6 2736 Humboldt opposite Buck Mountain (Valley of Van Duzen River); Northern Coast Ranges 762 Comment
  HSC74091  Toxicodendron diversilobum M. A. Baker 1980-5-25 1594 Trinity Near Browns Canyon 823 Comment
  HSC35872  Trichostema laxum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2089 Trinity Van Duzen River; Brown's Canyon Campground Comment
  SEINET8999777 Image available Trichostema laxum Harold E. Parks, Tracy, Joseph P. 1941-8-28 11507 Trinity Low Gap, on Van Duzen River slope. 792 Comment
  UC665583  Trichostema laxum H. E. Parks, J. P. Tracy 1941-8-28 11507 Trinity Lost Gap, Van Duzen River North Coast Ranges 792 Comment
  OBI12697  Trifolium cyathiferum Joseph P. Tracy 1942-7-3 17387 Trinity 3 mi SE of Kuntz; Van Duzen River, 4 mi SE of Low Gap Comment
  UC1223481  Trifolium cyathiferum Joseph P. Tracy 1942-7-3 17387 Trinity 3 mi se Kuntz (4 mi se of Low Gap); Van Duzen River 792 Comment
  UC303200  Trifolium cyathiferum Joseph P. Tracy 1923-7-1 6504 Trinity near summit (on rd to low gap of Mad River); Northern Coast Ranges, South Fork Mtn 1066 Comment
  UC796611  Trifolium eriocephalum var. eriocephalum Roxana S. Ferris and Laura Lorraine 1948-6-11 11676 Trinity ca 24 mi e Bridgeville (at junction of Mad River Rock Lookout Station and State Hwy 36); Six Rivers National Forest Comment
  HSC74054  Trifolium fucatum M. A. Baker 1980-5-25 1596 Trinity Near Browns Canyon. 823 Comment
  UC1223357  Trifolium microcephalum Joseph P. Tracy 1942-7-3 17388 Trinity 3 mi se Kuntz (4 mi se of Low Gap); Van Duzen River 792 Comment
  HSC38173  Trillium albidum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2514 Trinity Brown's Canyon Campground. Comment
  HSC50886  Trillium albidum G. L. Clifton, Overton 1979-6-3 3659 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC50854  Trisetum canescens G. L. Clifton, Overton 1979-6-3 3601 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC180487  Trisetum canescens Joseph P. Tracy 1913-6-23 4283 Humboldt near summit of ridge between Van Duzen River and Mad River (on Dinsmore's Ranch); Northern Coast Ranges 1066 Comment
  HSC35811  Triteleia hyacinthina Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1925 Trinity Browns Canyon Campground Comment
  UC146193  Triteleia hyacinthina Joseph P. Tracy 1908-6 2805 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 304 Comment
  HSC68591  Triteleia laxa Jacqueline Greenleaf 1980-7-9 160 Trinity Near Mad River Ridge 1006 Comment
  HSC102703  Ventenata dubia J. P. Smith 2013-6-16 13731 Trinity Along State Route 36, just east of the Humboldt County Line. 765 Comment
  HSC102704  Ventenata dubia J. P. Smith 2013-6-16 13732 Trinity Along State Route 36. 787 Comment
  UC902036  Veratrum insolitum Joseph P. Tracy 1949-7-16 18368 Trinity gravelly hillside near gravelly flat known as Race Track; South Fork Mountain 1676 Comment
  UC902037  Veratrum insolitum Joseph P. Tracy 1949-7-16 18368 B Trinity gravelly hillside near gravelly flat known as Race Track; South Fork Mountain 1676 Comment
  UC147878  Veronica americana Joseph P. Tracy 1908-6 2718 Humboldt Valley of Van Duzen River (opposite Buck Mountain); Northern Coast Ranges 762 Comment
  HSC50855  Vicia americana var. americana G. L. Clifton, Overton 1979-6-3 3600 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC74059  Vicia americana var. americana M. A. Baker 1980-5-25 1595 Trinity Near Browns Canyon. 823 Comment
  HSC74052  Viola adunca M. A. Baker 1980-5-25 1582 Trinity Near Browns Canyon. 823 Comment
  HSC38170  Viola glabella Thomas W. Nelson, Jane P. Nelson 1976-5-23 2507 Trinity Brown's Canyon Campground. Comment
  UC796572  Viola hallii Roxana S. Ferris and Laura Lorraine 1948-6-11 11678 Trinity 24 mi e of Bridgeville (junction of Mad River Rock Lookout Station Road and State Hwy 36); Six Rivers National Forest Comment
  CHSC31333  Viola ocellata Mark Stopher 1980-6-11 112 Trinity Along route 36, 0.3 miles E of Mad River bridge. Comment
  HSC38169  Viola ocellata Thomas W. Nelson, Jane P. Nelson 1976-5-23 2501 Trinity Brown's Canyon Campground. Comment
  HSC50833  Viola ocellata G. L. Clifton, Overton 1979-6-3 3629 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC1222515  Viola ocellata Joseph P. Tracy 1950-4-20 18634 Trinity 3 mi se of Kuntz (along the Van Duzen River); Van Duzen River Comment
  HSC38171  Viola purpurea subsp. quercetorum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2504 Trinity Brown's Canyon Campground Comment
  UC1222510  Viola sheltonii Joseph P. Tracy 1950-4-20 18628 Trinity 3 mi se of Kuntz (along Van Duzen River); Van Duzen River Comment
  UC902144  Viola sheltonii Joseph P. Tracy 1946-6-16 17587 Trinity South Fork Mountain, flat known as the Race Track South Fork Mountain 1676 Comment
  HSC50851  Vulpia microstachys G. L. Clifton, Overton 1979-6-3 3607 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC68941  Vulpia microstachys Jacqueline Greenleaf 1980-5-24 97 Trinity Near Browns Canyon. 792 Comment
  HSC74118  Vulpia microstachys M. A. Baker 1980-5-25 1602 Trinity Near Browns Canyon. 823 Comment
  UCD93697  Vulpia microstachys Joseph P. Tracy 1949-5-30 16306 Trinity Mad River, at Low Gap. 792 Comment
  UC1145173  Vulpia microstachys var. microstachys Joseph P. Tracy 1949-5-30 16306 Trinity Low Gap; Mad River 792 Comment
  GH341868  Vulpia microstachys var. pauciflora J. W. Blankinship 1893-6-24 Unknown Mad River Comment
  CAS-BOT-BC128850  Whipplea modesta Milo S. Baker 1926-7-24 123 -26 Trinity S. Fork Mt. - near low gap Comment
  CDA25511  Whipplea modesta G. D. Barbe 1994-4-27 4458 Trinity Road to Zenia, ca. 1 mile west of Mad Creek, 1 mile east of Mendocino County line. Comment
  UC1198901  Whipplea modesta Joseph P. Tracy 1908-6 2728 Humboldt opposite Buck Mountain; Northern Coast Ranges, valley of Van Duzen River 762 Comment
  POM126135  Wyethia longicaulis Joseph P. Tracy 1923-7-1 6506 Trinity South Fork Mountain: near summit on road to Low Gap of Mad River 1067 Comment
  POM160896  Wyethia longicaulis Joseph P. Tracy 1923-7-1 6506 Trinity South Fork Mountain: near summit on road to Low Gap of Mad River 1067 Comment
  HSC73180  Zigadenus micranthus R. York 1980-5-25 811 Trinity Near Browns Canyon 823 Comment
  HSC73201  Zigadenus micranthus R. York 1980-5-25 793 Trinity Near Browns Canyon 823 Comment
  UC1198215  Zigadenus micranthus var. micranthus Mrs. C. M. Wilder 1934-5-20 Trinity above Low Gap (Van Duzen River at Jack Kemp's Place); Van Duzen River, Jack Kemp's Place 914 Comment



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