Search Results — 2000 specimen records retrieved (1380 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC73  Abies concolor K. Mckenzie 1928-3-18 Shasta Hatchet Creek Mountain. 1371 Comment
  JEPS46594  Abies concolor George W. Gillett 1957-9-11 1143 Shasta near w slope Table Mountain; Lassen Volcanic National Park, Manzanita Lake Area, Chaos Ju 1798 Comment
  RSA300572  Acer circinatum John Dourley, Walter Wisura 1982-10-15 3866 Shasta W side of Hatchet Grade, W of Burney along Hwy 299. 1189 Comment
  UC18088  Acer circinatum Milo S. Baker 1893-8-15 Shasta Bear Valley Mts. 1828 Comment
  UC511332  Acer circinatum Lyman Benson 1930-7-18 2221 Shasta e Round Mt. (summit); Northern Sierra Nevada, Hatchet Creek 1219 Comment
  UC525806  Acer circinatum Rimo Bacigalupi 1934-9-3 2328 Shasta 5 mi sw Cayton Post Office (Clark Creek Store, northeastern Shasta County); Clark Creek Store 860 Comment
  RSA79092  Acer glabrum var. torreyi E. K. Balls, Percy C. Everett 1952-10-14 18206 Shasta 5.8 miles southwest of Summit Pass, Highway 89, on Mount Lassen 2134 Comment
  UC1731461  Acer glabrum var. torreyi Dean W. Taylor 1993-6-15 13632 Shasta ridgetop 1 mi. w. Yellowjacket Mt. (at Point 4881); Cascade Region (CaRH) Comment
  CAS-BOT-BC210706  Achnatherum lemmonii G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2416 Shasta On south side of Red Mountain 1730 Comment
  CAS-BOT-BC210708  Achnatherum lemmonii A. A. Heller 1914-8-25 11694 Shasta On the Pacific Highway 15 miles south of Delta Comment
  CAS-BOT-BC210710  Achnatherum lemmonii A. A. Heller 1914-8-25 11694 Shasta On the Pacific Highway 15 miles south of Delta Comment
  UCD50591  Achnatherum lemmonii A. A. Heller 1914-8-25 s.n. Shasta Pacific Highway 15 miles south of Delta on a stony slope supporting a scattered growth of yellop pine. Shasta County. Comment
  UCD50592  Achnatherum lemmonii A. A. Heller 1914-8-25 s.n. Shasta Pacific Highway 15 miles south of Delta on a stony slope supporting a scattered growth of yellow pine. Shasta County. Comment
  CAS-BOT-BC216413  Achnatherum lettermanii Roxana S. Ferris; Laura Lorraine 1941-8-10 10477 Shasta Near Summit Lake, Lassen National Park 2042 Comment
  UC1731466  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1993-6-15 13631 Shasta ridgetop 1 mi. w. Yellowjacket Mt. (at Point 4881); Cascade Region (CaRH) Comment
  CAS-BOT-BC216904  Achnatherum occidentale Lewis S. Rose 1945-9-1 45196 Shasta Manzanita Lake 1783 Comment
  RSA91734  Achnatherum occidentale subsp. californicum F. W. Peirson 1932-7-13 10104 Shasta Thousand-Lake Basin 1982 Comment
  SEINET232950  Achnatherum occidentale subsp. occidentale L. R. Firestone, H Firestone 1983-8-11 8340 Shasta Lost Creek Organizational Campground. 1695 Comment
  SEINET232952  Achnatherum occidentale subsp. occidentale L. R. Firestone, H Firestone 1983-8-11 8339 Shasta Lassen Nat. Vol. Pk ; Parking area for sites 43-44. 2237 Comment
  CDA13083  Achnatherum occidentale subsp. pubescens G. F. Hrusa, T. D. Wilfred 1996-6-11 13016 Shasta Lassen National Forest; E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. Open Pinus jeffreyi forest with understory of Artemisia tridentata, Bromus tectorum. Comment
  SEINET232932  Achnatherum occidentale subsp. pubescens L. R. Firestone, H Firestone 1983-8-11 8340 Shasta Lost Creek Organizational Campground 1695 Comment
  UCD50953  Achnatherum occidentale subsp. pubescens G. F. Hrusa; T. D. Wilfred 1996-6-11 13016 Shasta E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. 1386 Comment
  CHSC92977  Achyrachaena mollis R. Fischer 2005-5-23 473 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. On meadow north of McArthur along Rat Farm Road. Near the old McArthur Swamp lands. 1013 Comment
  CHSC89703  Acmispon americanus var. americanus R. Fischer; J. Marr 2004-8-15 379 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected on Lava Springs Trail between Horr Pond and Crystal Springs. 1010 Comment
  CHSC27784  Acmispon brachycarpus James T. Nicol 1978-3-27 11 Shasta Ca. 4.8 mi ese of Ono on Plantina Rd. 289 Comment
  CHSC66331  Acmispon brachycarpus V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7904 Shasta Harrison Gulch Rd. 2.4 mi (odometer) N of Hwy. 36, W of Plantina. HighNorth Coast Ranges. 944 Comment
  OBI13187  Acmispon brachycarpus Robert F. Hoover 1968-5-28 11125 Shasta Clough Crk at Old Alturas Rd Comment
  UCD104172  Acmispon grandiflorus G. F. Hrusa 1992-5-1 10469 Shasta S of Montgomery Creek. Comment
  UCD35717  Acmispon nevadensis var. nevadensis Beecher Crampton 1960-6-16 5663 Shasta Northeastern part of county, 3 miles north of Fall River Mills, east slope of Saddle Mtn. 1097 Comment
  UC1036290  Aconitum columbianum George W. Gillett 1952-7-29 128 Shasta vicinity Hat Lake (w. margin of Paradise Meadow); lassen Volcanic Nat'l Park, Paradise Meadow 2148 Comment
  UC853391  Aconitum columbianum E. G. Anderson 1935-8-28 Shasta Lassen Volcanic Nat'l Park, Crescent Cliffs 2286 Comment
  HSC40167  Aconogonon davisiae Thomas W. Nelson, Jane P. Nelson 1976-8-1 3115 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  CAS-BOT-BC412925  Aconogonon davisiae F. J. Hermann 1931-6-22 2454 Shasta Slope of Bumpas Hell Trail 2346 Comment
  CAS-BOT-BC29258  Acroptilon repens J. F. Weber 1967-7-26 s.n. Shasta Albaugh property, NE of McArthur Comment
  CAS-BOT-BC29316  Adenocaulon bicolor C. R. Quick 1953-8-2 53 -109 Shasta Northeast of Montgomery Creek Comment
  HSC23378  Adenostoma fasciculatum G. Strausbaugh 1970-5-30 90 Shasta Shore opposite Oak Bottom Marina, 50 ft. above lake 372 Comment
  JEPS123390  Adiantum jordanii Sarah Tona 2015-4-13 16 Shasta Tributary to Little Cow Creek, 3/4 mile north of Donkey Mine and 0.6 mile northeast of Coronado Mine, 1.5 miles northeast of Ingot. Oak Run, 7.5' Q. Comment
  CHSC118191  Adiantum jordanii Len Lindstand III 2015-5-29 21240 Shasta Jones Valley, on Clikapudi Trail, approx 0.50 mi. north-east of Jones Valley Boat Ramp. Coordinates: UTM 10T NAD27 566976E/ 4510105N. 365 Comment
  UC2030513  Adiantum shastense Layne Huiet, Alan Smith, Joan Smith, Ellen Dean, Martin Lenz 2014-5-14 160 Shasta North side of Lake Shasta. McCloud River Arm. Bailey Cove Trail. North-facing slope Comment
  UC2030517  Adiantum shastense Layne Huiet, Alan Smith, Joan Smith, Ellen Dean, Martin Lenz 2014-5-14 159 Shasta North side of Lake Shasta. McCloud River Arm. Bailey Cove Trail. North-facing slope Comment
  UC2030518  Adiantum shastense Layne Huiet, Alan Smith, Joan Smith, Ellen Dean, Martin Lenz 2014-5-14 157 Shasta North side of Lake Shasta. McCloud River Arm. Bailey Cove Trail. Upslope of trail Comment
  UC2030520  Adiantum shastense Layne Huiet, Alan Smith, Joan Smith, Ellen Dean, Martin Lenz 2014-5-14 163 Shasta North side of Lake Shasta. McCloud River Arm. Along Gilman Road, just W of intersection with Old Mill Road where Fall Creek intersects Gilman Road Comment
  UCD148886  Adiantum shastense Ellen Dean; L. Huiet, A. Smith, J. Smith and M. Lenz 2014-5-14 8201 Shasta North side of Lake Shasta. McCloud River Arm. Along Gilman Rd, just W of intersection with entrance to Pine Pt. campground. 345 Comment
  CHSC118378  Adiantum shastense Sarah Tona 2015-3-9 1 Shasta Along USFS road 35N25, near UPRR tracks, approx. 1 mi. east of Sugarloaf and north of Salt Creek Inlet, Shasta Lake. UTM 10T 552295E / 4523437N 438 Comment
  CHSC118401  Adiantum shastense Len Lindstrand III 2015-5-7 21231 Shasta Drainage north of Sugarloar Creek Inlet, Shasta Lake, approximately 1.8 mi. west of Sugarloaf. UTM 10T 0547567E/4522996N 365 Comment
  CHSC118431  Adiantum shastense Kevin Heidel 2015-5-14 10 Shasta Potem Creek Falls trail. UTM NAD83 0581892E / 4521334N 371 Comment
  HSC104361  Adiantum shastense Len Lindstrand III 2015-5-20 21239 Shasta Unnamed stream approx. 0.5 mi. W of Stein Creek, just upstream from confluence with Shasta Lake 332 Comment
  RSA0051326  Adiantum shastense Len Lindstrand III 2015-5-7 21233 Shasta North slope of Backbone Ridge, southeast of Sugarloaf Creek. 487 Comment
  UC2030514  Adiantum shastense Martin J. Lenz 2014-5-27 5352 Shasta Along logging road on east side of Sacramento River across from Gibson Comment
  JEPS120921  Aegilops cylindrica Lowell Ahart, John Dittes, Todd Sloat 2013-6-9 18787 Shasta On E side of the north-south road, on the W side of McArthur Diversion Canal, 2.1 air miles S of Rat Farm Boat Launch, 1.2 air miles N of McArthur, Fall River Valley, McArthur Swamp. Comment
  HSC68919  Agastache parvifolia Gary Schoolcraft 1979-7-4 Shasta Near Subway Cave parking lot 1311 Comment
  UC1506460  Agastache urticifolia J. E. Vogelmann 1980-7-28 56 Shasta on Route 89, 7.8 mi n Lassen Volcanic Park boundary (Lassen National Forest); , n of Lassen Volcanic Park boundary Comment
  CAS-BOT-BC29442  Ageratina occidentalis Alice Eastwood 1917-9-2 6697 Shasta Shasta Springs Comment
  CHSC105564  Ageratina shastensis Jane Van Susteren; Gabe Youngblood 2010-9-1 Shasta Southeast slopes of Tamarack Mountain on metasedimentary rock outcrops and cliffs. UTM NAD 83 Zone 10N; 0578699E, 4548000N. 1493 Comment
  CHSC105567  Ageratina shastensis Len Lindstrand III; Jane Van Susteren 2010-7-22 Shasta Tomstone Mountain. Found on limestone and meta-sedimentary outcrop and cliff features. UTM NAD 83 Zone 10N; 0562238E, 4544379N. 1554 Comment
  CHSC105570  Ageratina shastensis Jane Van Susteren; Gabe Youngblood 2010-8-31 Shasta Found on metasedimentary rock outcrops and cliffs on northeast slopes of McKenzie Mountain. The plants grow in crevices on cliff faces on easterly and westerly aspects. UTM NAD 83 Zone 10N; 0575440E, 4543631N. 1493 Comment
  UC1396182 Image available Ageratina shastensis G. L. Stebbins and F. Ehrendorfer 1959-6-20 5968 Shasta 25 mi (airline) n Redding (1 mi e of Squaw Creek, on Flat Creek Road, 300 ft above the road); ; 25 mi N of Redding Comment
  UCD128546  Ageratina shastensis G. L. Stebbins; Dean William Taylor 1972-7-1 2406 Shasta Hirtz Mountain. 1066 Comment
  CAS-BOT-BC21353  Agoseris aurantiaca var. aurantiaca George W. Gillett 1957-8-8 1001 Shasta above Hat Lake, near Paradise Meadow Trail. 1981 Comment
  CAS-BOT-BC46141  Agoseris heterophylla Alice Eastwood; John Thomas Howell 1940-6-11 7922 Shasta Near Fall River Mills Comment
  CAS-BOT-BC46148  Agoseris heterophylla Alice Eastwood 1912-6-29 905 Shasta Goose Valley Comment
  UC29351  Agoseris heterophylla var. heterophylla M. S. Baker and Frank Nutting 1894-5-30 Shasta Burney Falls Comment
  UC76009  Agoseris heterophylla var. heterophylla Milo S. Baker 1898-7-8 331 Shasta near Oak Run Comment
  CHSC93295  Agoseris retrorsa R. Fischer 2005-4-20 651 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected off Juniper Trail 300 yds north-east of camp 7 in YPF. 1028 Comment
  UC682110  Agoseris retrorsa G. L. Stebbins Jr. 1942-5-29 3236 Shasta 5 mi w, on rd to Burney Fall River Mills 1000 Comment
  UCR206929  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2009-6-11 14954 Shasta Southern Cascade Mountains, McCumber Lake Road, at the south end of McCumber Lake and 3.3 miles northeast of its junction with CA-44 1099 Comment
  JEPS72973  Agrostis alba W. L. Jepson 1940-7-4 20135 Shasta Montgomery Creek 640 Comment
  UCD51700  Agrostis elliottiana W. R. Powell 1961-5-24 s.n. Shasta 10 miles east of Anderson, Ash Creek Road. Comment
  UCD52324  Agrostis exarata Beecher Crampton 1964-8-26 7183 Shasta Castel Crag, Sacramento River. Comment
  SEINET196305  Agrostis exigua Robert F. Hoover 1942-5-20 5872 Shasta 7 miles north of Redding Comment
  SEINET3916322  Agrostis exigua R. F. Hoover 1942-5-20 5872 Shasta 7 miles north of Redding.; 0 Comment
  CAS-BOT-BC139580  Agrostis gigantea Lewis S. Rose 1945-9-1 45189 Shasta Lassen Volcanic National Park. Manzanita Lake. 1783 Comment
  CDA1696  Agrostis gigantea T. C. Fuller 1960-6-28 4625 Shasta About 2 miles north of Anderson, just S/ Redding Airport. 0 Comment
  CHSC58537  Agrostis idahoensis Vernon H. Oswald; Lowell Ahart 1992-7-9 5078 Shasta S side of Horseshoe Lake. Lassen Volcanic Park. 1994 Comment
  SBBG115777  Agrostis idahoensis B. Crampton 1964-8-26 7175 Shasta Emerald Lake 2438 Comment
  CAS-BOT-BC138702  Agrostis scabra John Thomas Howell 1960-8-22 36338 Shasta Lassen Volcanic National Park. Manzanita Lake. 1783 Comment
  RSA201351  Agrostis scabra J. T. Howell 1960-8-22 36338 Shasta Manzanita Lake. [Lassen Volcanic National Park] Alt. 5850 1784 Comment
  CHSC93030  Agrostis stolonifera R. Fischer 2005-7-14 527 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Collection made near camp 7 in a marshy part of meadow at edge of Horr Pond. 1008 Comment
  HSC37560  Agrostis stolonifera J. D. Ackerman, A. M. Montalvo 1975-7-17 562 Shasta Harrison Gulch Campground, Basin Gulch Recreation Area, off Hwy. 36 793 Comment
  RSA422260  Ailanthus altissima Edwin Kline 1920-6-24 s.n. Shasta Redding. Comment
  SEINET10465405  Alisma plantago-aquatica Mary Merello 1993-6-26 Merello 732 Shasta Shasta-Trinity National Forest. Disturbed, dry, open pine-oak woodlands along Hwy. 89, N of the Hwy. 299-89 intersection, banks of vernal pool. 950 Comment
  SEINET3895565 Image available Alisma plantago-aquatica Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-26 732 Shasta Shasta-Trinity National Forest. Along Hwy.89, N of the Hwy. 299-89 intersection, banks of vernal pool.; 0 950 Comment
  UCD141778  Allium L. K. Mann 1955-6-4 s.n. Shasta 11.5 miles east of Ingot, on U.S. Highway 299. Comment
  UCD141780  Allium L. K. Mann 1955-6-4 s.n. Shasta along Highway 299 est of Fall River Mills. Comment
  CHSC63937  Allium amplectens Marion Ownbey; D. H. Brown 1941-6-20 2418 Shasta Goose Valley Road, 2 miles north of Highway, near Burney. Comment
  CAS-BOT-BC462363  Allium amplectens Alice Eastwood; John Thomas Howell 1934-4-21 1838 Shasta 5 miles N of Redding Comment
  HSC85029  Allium amplectens Dale McNeal 1981-5-5 2471 Shasta Hillside above Hwy. 36, 3.1 mi. SE of the Trinity county line 884 Comment
  SEINET12048231  Allium amplectens Unknown 1945-1 112 Shasta Goose Valley Road, 2 mi N of Hwy, near Burney Comment
  POM110222  Allium campanulatum Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  UC1573184  Allium falcifolium Dean W. Taylor 1987-6-5 9001 Shasta along the Pacific Crest trail, ne face of Grizzly Peak Pit River Watershed, Big Bend 15' Quad.[677B], Grizzly Peak 1584 Comment
  HSC26583  Allium lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-21 19217 Shasta Near Baker Lake, 5 mi. E of Old Station on FS Rd. 33N20A Comment
  CAS-BOT-BC474039  Allium parvum Elmer I. Applegate 1929-6-20 5769 Shasta Mt. Lassen trail above Drakesbad. Comment
  UC119984  Allium platycaule Mrs. R. M. Austin Aug. 1896 444 Shasta Lassen Peak Comment
  UC879965  Allophyllum divaricatum A. A. Heller 1916-7-23 12497 Shasta between McCloud and Sacramento rivers Comment
  SEINET7073004  Allophyllum gilioides A. G. Vestal 1963-5-31 s.n. Shasta About 3.8 miles northeast of Balls Ferry on Cottonwood-Shinglstown Road [presently Ash Creek Road]. Coordinate datum: WGS84/NAD83. (40? deg. 26' 28" North Latitude; -122? deg. 8' 42" West Longitude. UTM Zone 10, 572521mE, 4476867mN. Coordinate datum: NAD27). Comment
  UC879968  Allophyllum gilioides subsp. gilioides Alice Eastwood 1912-6-28 694 Shasta Burney Comment
  UCD118023  Allophyllum gilioides subsp. violaceum G. F. Hrusa 1991-6-27 8486 Shasta Pit River Drainage. Immediately N of 299 opposite entrance road to Pit 1 powerhouse. 1100 Comment
  UC568787  Allophyllum integrifolium G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2422 Shasta ca. 6 mi. n. Red Mt. 1500 Comment
  POM74361  Allophyllum integrifolium Marcus E. Jones 1897-7-8 10185 Shasta Lassen Peak. 1829 Comment
  CAS-BOT-BC451306  Allotropa virgata D. Showers 1980-8-14 DS 4411 Shasta Northern slope of Lassen Peak, Lassen Volcanic National Parkqq7500 1889 Comment
  CAS-BOT-BC465591  Alnus rhombifolia Julie Kierstead Nelson; Martin Lenz 2015-5-18 2015 -045 Shasta Sacramento River canyon W of Interstate 5 E of Eagles Roost Road and railroad tracks; at Gibson curve 447 Comment
  JEPS128450  Alnus rhombifolia Julie Kierstead Nelson with Martin Lenz 2015-5-18 2015 -045 Shasta Sacramento River canyon west of Interstate 5 east of Eagles Roost Road and railroad tracks; at Gibson curve. Comment
  UCD55888  Alopecurus carolinianus Beecher Crampton 1960-6-16 5632 Shasta N.E. Shasta County: Fall River Valley, Eastman Lake Area, 2.5 miles north of Glenburn, Belmonte's Ranch. Comment
  CHSC84095  Alopecurus saccatus Lowell Ahart; John Dittes 2003-5-12 10166 Shasta In a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  UCD55923  Alopecurus saccatus W. Robert Powell 1981-6-5 2804 Shasta 7 miles ESE of Redding, south side of Ramblewood Lane. Comment
Read comments
Aug 21 2015
  RSA86816  Amelanchier pallida F. W. Peirson 1932-7-14 11149 Shasta Shasta County: toward the S end of the ridge E of Lake Eiler in very rocky place, Thousand Lake Basin. 2012 Comment
  POM91698  Amelanchier pallida Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  CAS-BOT-BC222295  Amsinckia Alice Eastwood; John Thomas Howell 1940-6-11 7923 Shasta Near Fall River Mills Comment
  UC1178198  Amsinckia intermedia C. R. Bell 1953-3-21 1388 b Shasta 4.1 mi w Redding (s of U.S. 299) Comment
  UC1303132  Amsinckia lycopsoides A. A. Heller 1926-4-24 13928 Shasta n end of Anderson Comment
  RSA0058882  Amsinckia menziesii Lowell A. Ahart, John Dittes 2008-6-19 14858 Shasta About 50 yards east of the Pit River, about 100 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills. 994 Comment
  JEPS20811  Amsinckia menziesii var. menziesii Rimo Bacigalupi with Herbert and Lucille Mason 1958-4-24 6304 Shasta 1 1/2 mi e of Project City (West Fork of Sweetwater Creek, 1/2 mi w of Union School, (region 8 mi n ne of Redding); Sweetwater Creek 228 Comment
  UC1228142  Ancistrocarphus filagineus Beecher Crampton 1960-6-16 5634 Shasta 7 mi s of Fall River Mills Comment
  CDA33578  Andropogon virginicus J. Staggs PDR# 1361535 Shasta Igo 0 Comment
  SEINET14168220  Andropogon virginicus B. Kruse 1987-9-23 Shasta Happy Valley 122 Comment
  UC118856  Anemone drummondii H. E. Brown May 15 1897-May 28 1897 Shasta near Pit R. Ferry 213 Comment
  CHSC3457  Anemone oregana Judy Potter 1966-4-2 Shasta Robinson's yard Sweetbrier. 1 mile south Castella US 99. 548 Comment
  JEPS116593  Anemone oregana Julie Kierstead Nelson 2006-5-10 2006 -8 Shasta Browns Creek & Chanchellula Creek confluence, Forest Road 1, 1 mile SW of Deerlick Springs 975 Comment
  CDA40898  Angelica breweri G. F. Hrusa, T. D. Wilfred 1996-7-22 13340 Shasta Lassen National Forest; Adjacent to Hwy 89, approx. 2 miles S of intersection with USFS S16. Sheet 2 of 2 Comment
  HSC71424  Angelica breweri J. M. DiTomaso 1980-8-27 1931 Shasta 4.9 mi N of Lassen Natl. Park on Hwy 89, 3.5 mi N of Eskimo Hill Summit. 1738 Comment
  RSA77498  Angelica californica F. W. Peirson 1932-7-17 10334 Shasta moist shaded places, Wallace Ranch, Goose Velley. 915 Comment
  CHSC71276  Antennaria argentea Vernon H. Oswald 1998-6-22 9234 Shasta Near the PTC Trailhead at Mud Lake ca 3 mi northeast of Hwy. 89 at Old Station. 1487 Comment
  SEINET516273  Antennaria argentea Vernon H. Oswald 1998-6-22 9234 Shasta Near the PTC trailhead at Mud Lake ca 3 mi NE of Hwy. 89 at Old Station. 1487 Comment
  UC891496  Antennaria argentea Alice Eastwood Jun 29 1912-Jul 11 1912 724 Shasta Goose Valley Comment
  CHSC60303  Antennaria geyeri Mary Ann Showers 1992-6-27 2609 b Shasta Lassen Volcanic National Park. Pumice flat northwest of Crescent Crater. 2194 Comment
  UC1558194  Antennaria rosea Harold and Virginia Bailey 1948-8-25 2992 Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC88357  Anthemis arvensis R. Fischer; J. Marr 2004-5-22 241 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge of Modoc Plateau. SE of Ahjumawi LSSP, on access rd. to Rat Farm, n. of McArthur. Part of the old McArthur Swamp. 1008 Comment
  JEPS87587  Anthoxanthum aristatum Vernon H. Oswald and Lowell Ahart 1994-5-6 6186 Shasta sw of Clikapudi Bay (off the Pit Arm of Shasta Lake, Backbone Road (34N02), near the spur trail to Clikapudi Trail); Backbone Road (34N02) 350 Comment
  JEPS14989  Antirrhinum cornutum A. E. Wieslander 1933-10-12 343 Shasta near Kennett; Redding Quad. 243 Comment
  SEINET516144  Antirrhinum cornutum Vernon H. Oswald 1998-9-8 9617 Shasta Hwy 89 at its closest approach to Burney Creek just south of McArthur-Burney Falls Memorial State Park. 930 Comment
  UC76221  Antirrhinum cornutum Misses Jones and Alexander 1902-6-16 Shasta Redding Comment
  JEPS117865  Antirrhinum vexillocalyculatum subsp. breweri Julie Kierstead Nelson 2006-11-8 2006 -43 Shasta Bully Hill Mine, north side of Shasta Lake at confluence of Squaw Creek and Pit River arms 365 Comment
  CDA27226  Apera interrupta V. Popescu 2003-6-9 s.n. Shasta Northern California; S of Pittville. 0 Comment
  UC1037222  Apocynum androsaemifolium Leo Whitney 1934-7-10 1590 Shasta 13 mi. n. Lassen Peak (Logan Mt.); Lassen Nat'l Forest, Logan Mt. 1981 Comment
  CAS-BOT-BC397930  Aquilegia formosa Dorothy B. Wiggins 1961-6-16 16540 -A Shasta Along California Highway 89, 8.2 mi. NE of E entrance to Lassen National Park. Comment
  UCD95526  Aquilegia formosa Amelie C. Blyth 1950-7-16 s.n. Shasta Along foot trail from highway to Bumpass Hell, Lassen Volcanic National Park. Comment
  RSA25317  Aquilegia formosa var. truncata C. L. Hitchcock 1940-5-20 6485 Shasta 25 miles east of Redding. Comment
  RSA592537  Arabis breweri S. O. Mattoon 1978-4-9 27 Shasta Hirz Mountain Lookout; McCloud Arm of Lake Shasta. 1098 Comment
  HSC39205  Arabis glabra J. P. Smith 1976-5-22 8796 Shasta Shasta-Trinity National Forest, along Clear Creek. 915 Comment
  CDA13078  Arabis holboellii var. retrofracta G. F. Hrusa, T. D. Wilfred 1996-6-11 13011 Shasta Lassen National Forest; E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. Comment
  CDA13077  Arabis suffrutescens var. suffrutescens G. F. Hrusa, T. D. Wilfred 1996-6-11 13010 Shasta Lassen National Forest; E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. Comment
  SD104460  Aralia californica Reid Moran 1978-6-25 26110 Shasta Bank of Little Roaring Creek. 710 Comment
  CAS-BOT-BC171612  Aralia californica William A. Dayton 1913-8-25 540 Shasta Screwdriver Creek, Summit Lake Range, Shasta forest. 1554 Comment
  RSA0014267  Arbutus menziesii Justin M. Wood 2010-9-2 2561 Shasta Northwest face of Round Mtn: +/- 1.2 mile northwest of general store (highway 299), just northwest of communication towers along road leading to the peak. 946 Comment
  SEINET2471394  Arceuthobium californicum R. L. Mathiasen 2008-9-15 2008 -28 Shasta 3.5 km SE of Bartle on St. Rte. 89 1225 Comment
  UC1078860  Arceuthobium campylopodum Job Kuijt 1957-5-22 1368 Shasta Hwy 89 at Pondosa junction Comment
  CAS-BOT-BC27242  Arctostaphylos canescens subsp. malloryi James I. Mallory 1968-5-3 285 Shasta On ridge 1 mile N of Iron Mountain and 1 mile E of Mad Ox Mine, 1112 Comment
  SEINET11996227  Arctostaphylos canescens subsp. malloryi W. Knight, Knight, I. 1987-1 6410 Shasta Iron Mountain (originally), Regional Parks Botanic Garden, Berkeley Comment
  JEPS121038  Arctostaphylos klamathensis Dean Wm. Taylor with Nick Kroencke 2012-8-21 21298 Shasta Trinity Mountains; Flume Creek watershed, canyon of Sacramento River, logging road 38N28 9.5 road miles up (West) from gate on frontage road paralleling Interstate 5 at the Conat Road exit (ca. 9 miles SW of Dunsmuir) Comment
  JEPS87081  Arctostaphylos klamathensis J. Kierstead 1991-6-22 91 -78 Shasta Jeep trail e Tamarack Lake (Shasta-Trinity Co. line); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CHSC69035  Arctostaphylos malloryi Robin Ondricek-Fallscheer 1997-7-12 190 Shasta West of Iron Mtn. on South Fork Mtn. Rd., 7.2 mi N of Hwy. 299, W. of Redding. 926 Comment
  UCD50654  Arctostaphylos malloryi James I. Mallory 1968-8-18 338 Shasta On ridge 1 mile north of Iron Mountian and 1 mile east of Mad Ox Mine. 1112 Comment
  CHSC118196  Arctostaphylos malloryi Len Lindstrand III 2015-1-8 21217 Shasta Northwest slope of South Fork Mountain. Coordinates: UTM 10T NAD83 0539525E/ 4501839N. 944 Comment
  UCSB24367  Arctostaphylos manzanita Favere, R. 1968-3-26 Shasta On Gibson road; 30 miles north of Redding; off U.S. 5; Cascade Mountains 579 Comment
  CHSC90310  Arctostaphylos manzanita subsp. elegans L. P. Janeway 2001-5-28 7090 Shasta Klamath Ranges. Top of Brushy Mountain (ridge); along Road 29N28 4.3 km north of junction of Roads 30 and 35 (and the junction of Shasta, Tehama, and Trinity County lines). Northeast-facing slope at top of ridge. 1520 Comment
  UC144403  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1905-5-27 7872 Shasta near Redding Comment
  CAS-BOT-BC38601  Arctostaphylos manzanita subsp. wieslanderi Walter Knight; Irja Knight 1979-9-7 3429 Shasta State hwy 44 west of Shingletown 640 Comment
  CAS-BOT-BC38603  Arctostaphylos manzanita subsp. wieslanderi Walter Knight; Irja Knight 1964-2-1 825 Shasta 3 mi. east of Anderson Comment
  UC1281097  Arctostaphylos manzanita subsp. wieslanderi H. E. McMinn 1931-5-22 1995 Shasta se Redding Airport Comment
  CAS-BOT-BC45467  Arctostaphylos nevadensis John Thomas Howell 1960-8-22 36385 Shasta Anklin Meadows. 1889 Comment
  JEPS38791  Arctostaphylos nevadensis W. L. Jepson 1929-9-28 15316 Shasta on ridge above head of Manzanita Creek (nw slope of peak); Lassen Peak 2438 Comment
  UC501455  Arctostaphylos nevadensis Frank W. Peirson Jul 10 1932-Jul 16 1932 10191 Shasta s Burney; 1000-Lake Basin 1950 Comment
  UC1184072  Arctostaphylos patula E. N. Gladish 1960-8-10 L- 3 Shasta Latour Butte Road Latour State Forest 1706 Comment
  UC1311873  Arctostaphylos patula James I. Mallory 1965-9-16 253 Shasta one mi w Bosworth Meadow (on divide, near Shasta National Forest); Quad 15D2 1527 Comment
  UC2062566  Arctostaphylos patula Belinda Lo with Kellie Eldridge 2017-8-17 373 Shasta SHASTA COUNTY: Shasta-Trinity National Forest, southeast of Goat Camp and just east of road U29N28E. Comment
  SEINET7263370  Arctostaphylos patula R. R. Halse 1988-2-21 3551 Shasta Along Interstate Highway 5, near the Flume Creek Road Exit, 4.1 miles south of Castella 540 Comment
  UCSB71745  Arctostaphylos viscida Sarr, Dan 1995-7-30 Shasta 8 mi. SE of Redding on Highway 36 200 Comment
  CAS-BOT-BC412811  Arctostaphylos viscida subsp. viscida Andrew Townesmith; Karen M. Meyer 2007-7-24 849 Shasta Shasta-Trinity National Forest. 6.6 miles west of state route 299 on Fender's Ferry road (Forest Service road 34N17) 503 Comment
  CAS-BOT-BC47001  Arctostaphylos viscida subsp. viscida C. B. Wolf 1931-9-1 2384 Shasta Head of Sacramento Valley, 6 mi. n. of Redding on the Pacific Highway. 243 Comment
  CAS-BOT-BC47036  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1964-2-1 824 Shasta 3 mi. e. of Anderson. Comment
  CAS-BOT-BC47038  Arctostaphylos viscida subsp. viscida A. A. Heller 1918-7-28 13084 Shasta Along the State Highway 8 mi. s. of Delta. Comment
  RSA246603  Arctostaphylos viscida subsp. viscida Larry E. DeBuhr, C. W. Tilforth 1972-9-21 42392 Shasta Castle Crags State Park. 701 Comment
  RSA604324  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1935-3-31 3412 Shasta Delta, Sacramento River. 396 Comment
  UC1093996  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1955-6-14 55091 Shasta Whiskeytown 335 Comment
  UC527566  Arctostaphylos viscida subsp. viscida C. B. Wolf 1931-9-1 2384 Shasta Pacific Hwy 6 mi n Redding (head of valley); Sacramento Valley 243 Comment
  CAS-BOT-BC47033  Arctostaphylos viscida subsp. viscida W. R. Dudley 1899-8-18 s.n. Shasta By road to Shasta P.O. Comment
  HSC49792  Arenaria serpyllifolia J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9850 Shasta 1 mi. N of bridge over Brown's Creek on County Line Rd. 671 Comment
  SEINET3918770  Aristida adscensionis Virginia E. Long 1932-7-21 190 a Shasta Anderson (1 mi. N. of).; 0 132 Comment
  CHSC70828  Aristolochia californica Vernon Oswald 1998-4-13 8908 Shasta Rd. 27 (Gilman Rd.) 0.5 mi southeast of McCloud Bridge at Shasta Lake. 396 Comment
  CAS-BOT-BC295870  Arnica dealbata Frank W. Peirson 1926-6-23 6833 Shasta Trail from Drakesbad to Lassen Peak, Lassen National Park Comment
  RSA114974  Arnica dealbata E. K. Balls, Lee W. Lenz 1956-6-18 21808 Shasta 1.8 mi SE from Siskiyou-Shasta Co line, State Hwy 89. 1341 Comment
  SEINET10839150  Arnica discoidea var. alata Mary Susan Taylor 1980-6-10 Taylor 2801 Shasta T37N R4W nw sec 29. Dunsmuir quad. Sims Lookout, Shasta Natl Forest, ca. 11 mi S of Castella; n-facing slope. 1127 Comment
  CHSC45631  Arnica longifolia Vernon H. Oswald 1986-8-4 2268 Shasta Brokeoff Mt. Trail, Lassen Volcanic National Park. 2743 Comment
  UC892185  Arnica mollis E. G. Anderson 1935-9-2 Shasta Brokeoff Trail (lower part) Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CHSC58020  Arnica nevadensis Vernon H. Oswald 1992-5-25 4953 Shasta Lassen Volcanic National Park. N edge of the stone quarry on Old Emigrant Trail, east foot of Raker Peak, ca. 1.1 mi (air) NNE of Lassen Hwy. 1926 Comment
  UC1502172  Arnica venosa Craig Martz 1982-6-24 43 Shasta s of, w of s end of Slate Creek Bridge Lamoine; Slate Creek Bridge, Lamoine Quad. Comment
  UC1576777  Arnica venosa Dean Wm. Taylor with Roy E. Buck 1988-6-23 9856 Shasta along Forest road, 1.5 mi sw of w end of Iron Canyon Reservoir Iron Canyon Creek drainage, Iron Canyon Reservoir 975 Comment
  CHSC89700  Artemisia arbuscula subsp. arbuscula R. Fischer; J. Marr 2004-8-16 383 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected along rd. between McArthur and Rat Farm. Mdw on edge of the old McArthur Swamp. 1013 Comment
  CAS-BOT-BC97197  Artemisia tridentata subsp. tridentata W. M. Hiesey 1941-11-9 451 Shasta Along highway 89 near Bridges Creek. Along rocky banks of Lost Creek and Hat Creek going north. 1767 Comment
  CAS-BOT-BC400514  Asarum caudatum Julie Kierstead Nelson 2006-5-10 2006 -004 Shasta Confluence of Goods Creek & South Fork Goods Creek at junction of Hwy. 36W and Rd. 29N28, about 50 miles W of Red Bluff 1036 Comment
  CDA12968  Asarum hartwegii G. F. Hrusa 1996-5-2 12912 Shasta Lassen National Forest; Near corner of Hwy 89 and USFS S16, on E side of 89. Few in bloom at this time. Comment
  UC1873020  Asarum hartwegii David Keil 2004-7-10 30313 Shasta Along California Routes 44/89 SW of Old Station. Lassen National Forest. 1485 Comment
  CAS-BOT-BC400685  Asarum hartwegii Clarence Quick 1963-6-15 63 -04 Shasta Little Hatchet Creek Road, west slope of Hatchet Mountain, near Burney. Old Buffum Cutover Comment
  RSA78643  Asarum hartwegii F. W. Peirson 1932-7-14 13546 Shasta 1000-Lake Basin, Growing near camp on Lake Eiler 1951 Comment
  UC6185  Asarum hartwegii M. S. Baker and Frank Nutting 1894-5-25 Shasta Burney Valley Comment
  HSC65914  Asclepias cordifolia Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer 1980-5-3 82 Shasta Harrison Gulch, along Hwy. 36 at road to Deer Lick Springs 823 Comment
  JEPS49838  Asclepias cordifolia J. W. Blankinship 1911-5-8 Shasta Redding Comment
  SEINET188134  Asclepias cordifolia C. L. Hitchcock 1940-5-23 6513 Shasta Ca 1/4 mile south of Burney Falls. Comment
  RSA113947  Asclepias cordifolia H. K. Sharsmith 1953-6-25 4355 Shasta Road to Peanut 1.4 miles beyond Wildwood, Trinity National Forest 1159 Comment
  RSA70329  Asclepias cordifolia F. W. Peirson 1932-7-12 s.n. Shasta Thousand Lake Basin 2012 Comment
  SEINET10580341  Asclepias cordifolia George Engelmann 1880-8-27 Engelmann s.n. 1880 Shasta Base of Black Butte, N of Sisson's Comment
  SEINET10580435  Asclepias eriocarpa A. Arthur Heller 1928-6-10 Heller 14612 Shasta Along the Pacific Highway 8 mi N of Redding Comment
  UCD121327  Asclepias fascicularis H. M. Fall 1909-7-11 8522 Shasta Delta. Comment
  SBBG5725  Asclepias speciosa H. and M. Dearing 1938-6-30 2895 Shasta Sacramento Valley near Redding Comment
  CAS-BOT-BC68820  Aspidotis densa E. B. Copeland 1899-1-1 s.n. Shasta Base of Lassen's Butte Comment
  CAS-BOT-BC68824  Aspidotis densa C. G. Pringle 1882-9-3 s.n. Shasta Mts. about the head waters of the Sacramento River Comment
  UCD136014  Asplenium septentrionale G. F. Hrusa 1996-5-2 12853 Shasta Manzanita Chute area. Approx. 1/3 m. east of Hwy 44 on USFS Rd. 31NS17, and about 100 meters north of road. 1650 Comment
  RSA702136  Aster eatonii R. Fischer 2004-7-3 0329 Shasta Ahjumawi Lava Springs State Park, 3 miles north of McArthur on western edge Modoc Plateau. Located off Lava Springs Trail, W shore of Big Lake 1009 Comment
  RSA768313  Aster oregonensis Justin M. Wood 2010-9-2 2534 Shasta Southeast face of Round Mtn: +/- 1.0 mile northwest of general store (highway 299), just southeast of communication towers on peak. 995 Comment
  CDA11004  Astragalus filipes G. F. Hrusa 1991-6-27 8496 Shasta Pit River Drainage; Along Pit River below Pit 1 powerhouse on S bank of river. Comment
  UC584267  Astragalus filipes G. L. Stebbins Jr. and J. A. Jenkins 1937-7-16 2396 Shasta w Fall River Mills (open rocky slopes of Saddle Mt.); slopes Saddle Mt., w of Fall River Mills 1310 Comment
  RSA112191  Astragalus gambelianus R. C. Barneby 1954-5-15 11498 Shasta 25 miles N of Redding near Sacramento River bridge. Comment
  CDA40196  Astragalus inversus G. F. Hrusa 1991-6-25 8456 Shasta Pit River Drainage; Immediately SW of Hat Creek near 299 crossing. Sheet 2 of 2 Comment
  UCD104772  Astragalus inversus W. R. Powell 1963-7-12 764 Shasta 2 miles south-southeast of junction of State Highway 299 with State Highway 89. 963 Comment
  RSA530001  Astragalus inversus D. W. Taylor 1988-6-22 9848 Shasta East slope of red rock hill, along forest road from Hat Creek Rabger Station 1372 Comment
  CAS-BOT-BC192955  Astragalus purshii var. purshii John Thomas Howell 1934-6-16 12227 Shasta Fall River Valley, 2 miles ne. of McArthur Comment
  CHSC96265  Atriplex triangularis R. Fischer 2006-10-23 947 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected on the north edge of a conic depression pond near the lower and western edge of Big Lake. 1008 Comment
  JEPS73952  Avena sativa Virginia E. Long 1931-5-31 82 a Shasta w. of Stocker's place Anderson Comment
  CDA41200  Bacopa rotundifolia Dan Marcum 2005-8-13 s.n. Shasta Fall River Valley. Comment
  JEPS106985  Bacopa rotundifolia Dan Marcum 2005-8-13 s. n. Shasta Fall River Valley 1005 Comment
  UCD48684  Bacopa rotundifolia Dan Marcum 2005-8-13 s.n. Shasta Fall River Valley. 1005 Comment
  CAS-BOT-BC106568  Balsamorhiza deltoidea Alice Eastwood 1912-6-29 829 Shasta Goose Valley Comment
  CAS-BOT-BC106484  Balsamorhiza hookeri Alice Eastwood 1912-6-29 896 Shasta Goose Valley Comment
  UC54261  Barbarea orthoceras H. M. Hall and E. B. Babcock June 29-30, 1903 4305 Shasta Mill Creek, in Shasta Co. 2438 Comment
  CHSC68775  Beckmannia syzigachne Vernon Oswald; B. Corbin, M. Dolan, G. Schoolcraft 1997-5-31 8529 Shasta Hollenbeck Swamp on the southeast side of Big Lake north of McArthur. 1008 Comment
  HSC100175  Beckmannia syzigachne J. P. Smith 2011-8-7 13356 Shasta Along Archie Brown Road, W of Glenburn. 1009 Comment
  RSA25131  Beckmannia syzigachne C. L. Hitchcock 1940-5-24 6578 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  UCD58733  Beckmannia syzigachne Dan Marcum 2007-7-5 s.n. Shasta Burney. 944 Comment
  UC774504  Berberis aquifolium var. dictyota Carl B. Wolf 1941-7-24 11061 Shasta 2 mi ne of Manton on rd to Viola 731 Comment
  CHSC27866  Berberis aquifolium var. repens Robin Ondricek 1978-3-19 2 Shasta Ca. 32.2 mi ne of Redding, n side of Hwy 299, Montgomery Falls, Montgomery Creek. 609 Comment
  CAS-BOT-BC75541  Berberis dictyota Alice Eastwood 1912-7-25 1436 Shasta Pitt to Baird. Comment
  CAS-BOT-BC75992  Berberis pumila Alice Eastwood 1923-5-28 11978 Shasta Near Delta. Comment
  SEINET12088733  Berberis repens Unknown 1978-1 2 Shasta Ca 32.2 mi ne of Redding, n side of Hwy 299, Montgomery Falls, Montgomery Creek 610 Comment
  UC1191931  Berula erecta Malcolm A. Nobs, S. Galen Smith 1949-7-19 1025 Shasta Junction of Pit River and Hat Creek (Highway 299); Highway 299 Comment
  CAS-BOT-BC102115  Bidens cernua Lewis S. Rose 1945-9-5 45256 Shasta Hat Creek 1036 Comment
  CAS-BOT-BC127963  Blepharipappus scaber David D. Keck 1938-8-9 4887 Shasta 5 mi. E. or Burney at junction of Highway 299 and Highway 89. Comment
  UCD129598  Blepharipappus scaber G. F. Hrusa 1991-6-25 8461 Shasta Approximately 3 miles west of Fall River Mills off Highway 299. 1100 Comment
  SEINET11861269  Blepharipappus scaber H. M. Hall, Babcock, E. B. 1903-1 4177 Shasta Sierra Nevada Mountains, near Dana, NE Shasta Co 1067 Comment
  UC1608346  Boechera breweri subsp. shastaensis Julie Kierstead 1990-4-20 90 -27 Shasta 4.4 mi ne Hirz Bay turnoff (FS Rd7H009); Shasta-Trinity National Forest, Shasta Lake Ranger District 396 Comment
  UCD114375  Boechera pauciflora Robert E. Preston 1982-7-14 329 Shasta ca. 1 mi ne of Old Station, near Subway Cave. 1328 Comment
  UC1561087  Boechera pinetorum Dean W. Taylor 1988-6-24 8989 A Shasta summit of Grizzly Peak, Pit River watershed, Big Ben 15' quadrangel 677B Grizzly Peak, Pit River 1905 Comment
  LA204399  Boechera platysperma Carl Epling; William Robison 1935-7-17 sn Shasta Lassen Park, near Manzanita Lake Comment
  CHSC38099  Boechera rectissima R. E. Preston 1983-8-6 407 Shasta Along Terrace Lakes trail, ca. 1/2 mi S of Hat Lake, Lassen Volcanic National Park. 1853 Comment
  CHSC93280  Boechera retrofracta R. Fischer 2005-4-17 637 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected from the ridge of a bare volcanic cinder field 400 yds north of the upper end of Big Lake. 1031 Comment
  UCD114117  Boechera subpinnatifida Susan Mazer 1982-7-1 s.n. Shasta Castle Crags. Comment
  UCD114488  Boechera suffrutescens G. F. Hrusa; T. D. Wilfred 1996-6-11 13010 Shasta E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer, and between USFS N99 and N91. 1386 Comment
  CAS-BOT-BC27895  Boisduvalia macrantha Amos Arthur Heller 1905-5-30 7906 Shasta Near Redding Comment
  NY231266  Boisduvalia macrantha A. A. Heller 1905-5-30 7906 Shasta Near Redding. Comment
  UCD57005  Brachypodium distachyon W. R. Powell 1960-6-8 s.n. Shasta Ca. 14 miles west of Cottonwood. 3.5 miles north of Gas Point. Comment
  CAS-BOT-BC127756  Brickellia grandiflora Alice Eastwood; John Thomas Howell 1940-6-10 7885 Shasta Ingot Comment
  CAS-BOT-BC127758  Brickellia grandiflora L. P. Janeway 1995-9-2 4909 Shasta About 2500 ft north of Bluejay Mountain; alng Road 35N46 5.2 mi north of Fenders Ferry Road (Road 27). 929 Comment
  UCD67865  Brickellia grandiflora Collector unknown 1996-9-9 Shasta Lassen Volcanic National Park. Perennial plant communities in slopes of fractured basalts between West Sulphur Creek and Mill Creek Falls. 2030 Comment
  JEPS3339  Brickellia greenei George Gillett 1952-8-25 222 Shasta near Cold Boiling Lake (along trail to Bumpas Hot Springs, Lassen Volcanic National Park); Lassen Volcanic National Park 2286 Comment
  UCD129626  Brickellia greenei D. Sanchez-Mata; P. Rodriguez, R. Gavilan and J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park. Between West Sulphur Creek and Mill Creek Falls. 2010 Comment
  SEINET10971353  Brodiaea W. D. Stevens 1985-4-25 Stevens 23565 Shasta along Deschutes Road; chapparral with scattered digger pine Comment
  UCD139109  Brodiaea californica W. Robert Powell 1981-5-13 2793 Shasta 1.5 miles north northwest of Cottonwood. Comment
  CAS-BOT-BC478956  Brodiaea californica subsp. californica A. A. Heller 1940-5-28 15694 Shasta Volcanic upland 4 miles west of Ingot. Comment
  CAS-BOT-BC478958  Brodiaea californica subsp. californica Alice Eastwood; John Thomas Howell 1936-6-12 2738 Shasta 7 miles n. of Redding Comment
  CAS-BOT-BC478961  Brodiaea californica subsp. californica L. E. Smith 1934-6-24 728 Shasta Redding, Comment
  SEINET10533765  Brodiaea congesta Jeffrey Huber 1971-6-10 Huber 289 Shasta 15 miles s of weed, on i-5 Comment
  JEPS128720  Brodiaea coronaria Lowell Ahart, John Dittes, Josephine Guardino 2017-6-15 21417 Shasta Nortward into northeast end of Fall River Lake, 740 feet northwest from end of Mackey's Cove Road, about, about 0.6 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. Comment
  UCD77167  Brodiaea coronaria Robert E. Preston 2003-6-14 2159 Shasta 3.4 mi W of Fall River Mills, along Pit No. 1 Powerhouse Rd. 941 Comment
  SD46477  Brodiaea coronaria E. K. Balls, L. W. Lenz 1956-6-18 21809 Shasta 1.3 miles northwest of Lake Britton, State Highway 89. In dried up pool. 1006 Comment
  SEINET10965886  Brodiaea coronaria Charles L. Hitchcock 1940-5-26 Hitchcock 6625 Shasta 2 miles west of Fall River Mills. 4400 feet, on grassy hillside. Comment
  CAS-BOT-BC457069  Brodiaea coronaria subsp. coronaria Alice Eastwood 1912-6-29 903 a Shasta Goose Valley Comment
  RSA114973  Brodiaea coronaria subsp. coronaria E. K. Balls, Lee W. Lenz 1956-6-18 21809 Shasta 1.3 mi NW of Lake Britton, State Hwy 89. 1006 Comment
  RSA27876  Brodiaea coronaria subsp. coronaria C. L. Hitchcock 1940-5-26 6625 Shasta 2 miles W of Fall River Mills 1341 Comment
  HSC103432  Brodiaea elegans Thomas W. Nelson, Martin J. Lenz 2004-7-9 9240 Shasta Junction of Windy Point Rd. & State Route 299, ~1 mi. SW of Montgomery Creek 680 Comment
  SEINET10932627  Brodiaea hyacinthina Charles L. Hitchcock 1940-5-27 Hitchcock 6632 Shasta Swale in open lava flow meadow. Near McArthur. Comment
  UCD139171  Brodiaea minor W. Robert Powell 1981-5-31 2792 Shasta 1.5 miles north northwest of Cottonwood, 1/4 mile north of east quarter of section 34. Comment
  SEINET10872639  Bromus breviaristatus Billy Joe Cox 1971-6-10 Cox 3173 Shasta 15 mi s of weed on i-5. Comment
  UCD58260  Bromus carinatus G. F. Hrusa; T. D. Wilfred 1996-7-22 13348 Shasta Lassen National Forest. Along Hwy. 89, 1/4 m. N of Eskimo Summit. 1640 Comment
  JEPS69159  Bromus carinatus var. carinatus J. W. Blankinship 1911-5-31 Shasta Coram Mines Comment
  UC149646  Bromus carinatus var. carinatus H. M. Hall and E. B. Babcock 1903-6-1 4196 Shasta Sierra Nevada Mountains, Fall River Springs, north-eastern Shasta County Fall River Springs; Sierra Nevada Mountains, Fall River Springs 1066 Comment
  UC1543780  Bromus carinatus var. carinatus Harold and Virginia Bailey 1948-8-28 3066 Shasta Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  CHSC118544  Bromus commutatus Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21415 Shasta Bottom of the seasonal swale passing northward into northeast end of Fall River Lake, 740 feet northwest from end of Mackey's Cove Road, about 0.6 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. 1008 Comment
  UC1587059  Bromus commutatus G. Schoolcraft 1991-6-17 2161 Shasta about 5.5 mi s of Pittville 1097 Comment
  CAS-BOT-BC155675  Bromus diandrus L. E. Smith 1913-5-2 172 Shasta Cottonwood. Comment
  CDA35502  Bromus diandrus E. Finley 2003-5-2 PDR# 1035515 Shasta Redding; Logan Rd. 0 Comment
  HSC101574  Bromus hordeaceus J. P. Smith, J. O. Sawyer 2010-5-8 12848 Shasta Along County Rd. A16 (Ono to Platina Rd.) 462 Comment
  HSC85678  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1982-5-8 10366 Shasta 0.7 mi. N of French Gulch 640 Comment
  UC1131088  Bromus hordeaceus P. L. Johannsen 1932-6-2 100 Shasta 1 mi s of Bear Creek 426 Comment
  CHSC93096  Bromus inermis subsp. inermis R. Fischer 2005-7-17 592 Shasta McArthur. Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc plateau. Clumping grass collected along the west shore of Big Lake. 1008 Comment
  CHSC96283  Bromus japonicus R. Fischer 2006-7-21 927 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected from dry grassy meadow and roadbed, disturbed soil, between Horr Pond and campsite 7. 1011 Comment
  UCD58857  Bromus japonicus J. Strut 1951-6-7 s.n. Shasta Williams Ranch. 609 Comment
  SEINET10520258  Bromus laevipes A. Arthur Heller 1905-5-27 Heller 7880 Shasta Near Redding. Comment
  HSC85951  Bromus madritensis subsp. rubens J. P. Smith, J. O. Sawyer 1982-5-9 10395 Shasta Lewiston Turnpike, 0.1 mi. from junction with Hwy. 299 610 Comment
  CAS-BOT-BC105061  Bromus orcuttianus R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-20 884 Shasta Castle Crags State Park. Along Castle Creek Road, 1.5 road miles from Interstate 5 exit. NE side of road, across from 655 Comment
  RSA91693  Bromus orcuttianus F. W. Peirson 1932-7-16 10304 Shasta Burney Spring 1433 Comment
  CDA13015  Bromus suksdorfii G. F. Hrusa, T. D. Wilfred 1996-6-1 12945 Shasta Lassen National Forest; Uncommon in disturbed spot on margin of shaded coniferous forest near Forest Boundary on Hwy 44 approx 2 m. W of Hwy 89 intersection. Dry sites. Apparently perennial. Comment
  UC485748  Bromus suksdorfii H. F. Copeland 1932-8-15 Shasta Woods between Hat Lake and Summit Lake; Mount Lassen 1981 Comment
  CDA13017  Bromus tectorum G. F. Hrusa, T. D. Wilfred 1996-6-1 12947 Shasta Lassen National Forest; Light shade of dacite rock cliffs in coniferous forest near Forest Boundary on Hwy 44 approx 2 m. W of Hwy 89 intersection. Annual. Comment
  CDA36377  Bromus tectorum G. K. Helmkamp, E. A. Helmkamp 2009-6-13 15003 Shasta Southern Cascade Range Foothills; Wilson Hill Road, 2.4 mile south of its junction with CA Hwy 44 in Shingletown. Comment
  CAS-BOT-BC161522  Bromus tectorum John Thomas Howell s.n. Shasta 5 miles east of Buckthorn Summit on road to Redding. Comment
  HSC91308  Cabomba caroliniana Edward Merritt 1977-10-13 Shasta In farm pond 15 mi. E of Redding. Comment
  CAS-BOT-BC185347  Calamagrostis canadensis George W. Gillett 1957-8-2 966 Shasta Lassen Volcanic National Park. 0.25 mile below Summit Lake and 100 yards south of Corral Meadow trail. 2026 Comment
  CHSC55261  Calandrinia ciliata L. P. Janeway 1991-5-10 3943 Shasta Battle Creek Wildlife Area. Floodplain on north side of Battle Creek between Coleman Fish Hatchery Road and the creek; ca 1 1/2 mi east of the Sacramento River. In barish tracks of unused dirt road near the creek. 118 Comment
  CHSC81937  Calliscirpus criniger L. P. Janeway 2001-7-8 7272 Shasta Klamath Ranges. Regan Meadow; about 4.8 km north of Pony Buck Peak; head of northwestern side of drainage of Middle Fork Beegum Creek. 1330 Comment
  POM220630  Callitriche heterophylla L. C. Wheeler 1935-3-31 3393 Shasta 3 miles NE Redding: Between Boulder and Churn Creeks. 198 Comment
  JEPS42828  Callitriche longipedunculata J. W. Blankinship 1911-3-25 Shasta Redding Comment
  CHSC58024  Callitriche verna Vernon H. Oswald 1992-5-28 4956 Shasta W edge of the lily pond near the summit of Table Mtn., ca. 1.3 mi (air) NNE of the Manzanita Lake Entrance Station, just W (outside) of the boundary of Lassen Volcanic National Park. 2019 Comment
  JEPS28806  Calocedrus decurrens George W. Gillett 1957-9-11 1139 Shasta Chaos Jumbles Lassen Volcanic National Park, Manzanita Lake, Chaos Jumbles 1798 Comment
  UCD112383  Calochortus Christopher Mallek 2008-5-8 AC3- 5 Shasta Ash Creek. 876 Comment
  CAS-BOT-BC492557  Calochortus minimus Hans Leschke 1958-8-16 1540 Shasta Lassen Volcanic National Park, Grassy swales, upper part in forest 1981 Comment
  CAS-BOT-BC32306  Calochortus monophyllus Mrs. C. F. Rose 1934-4-24 s.n. Shasta Redding Comment
  CAS-BOT-BC493116  Calochortus monophyllus Ellsworth Bethel 1923-5-11 s.n. Shasta Whitmore Comment
  SEINET8197479  Calochortus monophyllus R. Adamson, M. Martin 1964-4-26 s.n. Shasta 3 miles N of Redding on Shasta Dam Blvd. 152 Comment
  CAS-BOT-BC493089  Calochortus nudus H. C. Cantelow 1939-6-10 s.n. Shasta 17 1/2 miles s.e. of McClouds on road to Burney Comment
  SBBG15291  Calochortus superbus H. and M. Dearing 1938-6-30 2216 Shasta near Burney 944 Comment
  CAS-BOT-BC494331  Calochortus superbus M. S. Baker; F. Nutting 1894-5-22 s.n. Shasta Morley's Station Comment
  JEPS105427  Calochortus syntrophus Dean W. Taylor 1996-6-5 15652 Shasta The Cove (about 10 miles south of Big Bend), just south of Roaring Creek on The Cove Road; Shasta-Trinity National Forests 533 Comment
  CHSC7083  Calochortus tolmiei H. Alger 1969-4-19 12 Shasta 25 yds. N of Hwy. 299, 1 mi nw of Redding. 182 Comment
  HSC101565  Calochortus tolmiei J. P. Smith, J. O. Sawyer 2010-5-7 12826 Shasta Shasta-Trinity National Forest. Shotgun Rd. west of I-5, S of its junction with Simms Rd. 537 Comment
  HSC85683  Calochortus tolmiei J. P. Smith, J. O. Sawyer 1982-5-8 10371 Shasta Tom Green Mine Rd., 4 mi. W of its junction with French Gulch Rd. 1159 Comment
  CAS-BOT-BC494004  Calochortus tolmiei Ellsworth Bethel 1923-5-31 s.n. Shasta Burney Comment
  CAS-BOT-BC494011  Calochortus tolmiei Mrs. D. B. McAllister 1918-4-29 s.n. Shasta Ydalpom Comment
  CAS-BOT-BC132589  Calochortus uniflorus Ellsworth Bethel 1923-6-14 s.n. Shasta Burney Comment
  JEPS105147  Caltha biflora Dean W. Taylor 1993-7-9 13845 Shasta Echo Lake; ca. 8 air miles WSW of Dunsmuir; Shasta-Trinity National Forest, Trinity Mountains 1828 Comment
  UC485772  Caltha biflora H. F. Copeland 1932-8-15 Shasta Kings Creek Meadow, Mt. Lassen. 2225 Comment
  UC563972  Caltha biflora Elmer I. Applegate 1929-6-20 5773 Shasta East base of Mt. Lassen. Comment
  SEINET10536092  Caltha leptosepala subsp. howellii Mary Susan Taylor 1980-6-26 Taylor 2978 Shasta T39N R1E nw sec 35 Big Bend quad; Shasta-Trinity Natl Forest; along Moose head Creek and in meadow, on N side of Rd 39N90, ca. 1.1 mi NW of its jct with 38N10, ca. 3 mi due SW of Deadhorse Summit on Hwy 89. With J. Prouty. 1585 Comment
  CHSC33778  Calycadenia ciliosa J. D. Prouty 1981-6-2 1180 Shasta E of ravine and S of Bear Creek ca. 8 mi E of Anderson. 167 Comment
  POM215698  Calycadenia ciliosa Jens Clausen 1932-9-16 661 Shasta 9 miles S of Redding on the road from Red Bluff. Comment
  RSA255545  Calycadenia ciliosa Gerald D. Carr 1971-8-31 649 Shasta Givson Road at Interstate 5, 16 miles south of Dunsmuir Comment
  RSA788195  Calycadenia ciliosa R. L. Carr 1978-7-9 2121 Shasta 2.4 mi E of Bulls[Balls] Ferry Resort on Hwy A-17, E of Cottonwood. Comment
  JEPS89808  Calycadenia fremontii Dean W. Taylor 1988-8-8 10028 Shasta adjacent to and just w of yard of California Department of Transportation (in center of town of Burney, along Highway 299, Modoc Plateau); Modoc Plateau, Burney, Highway 299 Comment
  CAS-BOT-BC273349  Calycadenia fremontii H. M. Hall 1930-9-27 12903 Shasta 4 miles north of Redding Comment
  CAS-BOT-BC273363  Calycadenia fremontii R. L. Carr 1983-5-24 2250 Shasta E of Redding on Millville Plains Rd, 0.8 mi S of its jct with Hwy 44, just S of Bascom Rd (S of Millville) 192 Comment
  CAS-BOT-BC273372  Calycadenia fremontii A. A. Heller 1914-8-30 11751 Shasta 1 mile south of Redding Comment
  CAS-BOT-BC273383  Calycadenia fremontii Alice Eastwood 1912-7-25 1410 Shasta Pitt [Pit] Comment
  CHSC118642  Calycadenia fremontii G. D. Carr 1971-6-5 556 Shasta S rim Bear Cr Canyon, ca 10 mi E of Millville, ca. 1/2 mi N of Sheridan Cr. V.I. Vexnor Property, (In 1984, Rte 2, Box 790, Shingletown 96088). 465 Comment
  JEPS20204  Calycadenia fremontii Milo S. Baker 1898-7-8 Shasta near Steven's (on Upper Clover Cr.); Upper Clover Cr. Comment
  RSA788200  Calycadenia fremontii R. L. Carr 1977-7-3 2011 Shasta Along Rd 34NO3 (Mc Candless Rd) (to Backbone Ridge), 1.4 mi NW of Hwy 299 (jct 5.6 mi W of Round Mt near milepost 48), E of Redding. 621 Comment
  RSA789308  Calycadenia fremontii R. L. Carr 1983-5-24 2250 Shasta E of Redding on Millville Plains Rd, 0.8 mi S of its jct with Hwy 44, just S of Bascom Rd (S of Milleville). 192 Comment
  SEINET3863995  Calycadenia fremontii G. D. Carr 1971-8-31 649 Shasta Gibson Rd and I-5 jct, 16 mi S of Dunsmuir.; 0 519 Comment
  UC1876189  Calycadenia fremontii Gerald D. Carr 1971-8-19 648 Shasta 1.8 mi N of Project City on Interstate 5, ca. 200 yards E of Hwy. 243 Comment
  UC1971745  Calycadenia fremontii R. L. Carr 1983-5-24 2250 Shasta E of Redding on Millville Plains Road, 0.8 mi S of its jct with Hwy 44, just S of Bascom Road (S of Millville) Comment
  UC195400  Calycadenia truncata A. A. Heller 1916-7-23 12495 Shasta between the McCloud and Sacramento rivers Comment
  UC72739  Calycanthus occidentalis Milo S. Baker Shasta Oak Run Comment
  UC854797  Calycanthus occidentalis C. L. Hitchcock 1940-5-20 6503 Shasta 25 mi e Redding Comment
  UCR45441  Calycanthus occidentalis Flinn, Pearson, Anderson 1986-5-11 31 Shasta Co. Rd. A-16, 20 mi SW of Ono 925 Comment
  CAS-BOT-BC90982  Calycanthus occidentalis E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station. Comment
  OBI20942  Calycanthus occidentalis H. E. McMinn 1931-6-26 2497 Shasta Pitt river bridge and Redding Hwy Comment
  OBI38309  Calycanthus occidentalis Robert J. Rodin 1971-8-20 8589 Shasta Slate Crk, 22mi N of redding on Hwy 99 (US5) Comment
  CHSC31193  Calyptridium monospermum M. S. Taylor; J. Prouty 1980-6-25 2973 Shasta Ridge w of Grizzly Peak, ca. 1/2 mi from peak lookout, ca. 5 mi due e of Lake McCloud. 1889 Comment
  SEINET2441577  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2009-6-11 14970 Shasta Southern Cascade Range: Long Hay Flat Road, .1 mile south of CA-44, junction is 8.6 miles east of Shingletown (Viola 7.5' Q.).; 0 1276 Comment
  UC420618  Calyptridium monospermum Franklin P. Nutting Shasta Fall River Valley Comment
  CAS-BOT-BC221216  Calystegia malacophylla subsp. malacophylla William A. Dayton 1913-6-15 252 Shasta Shasta National Forest. Near Grisey's [Grizzly] Mill 1310 Comment
  CAS-BOT-BC221218  Calystegia malacophylla subsp. malacophylla H. D. Ripley; R. C. Barneby 1948-7-6 9644 Shasta Castle Rock 640 Comment
  HSC96644  Calystegia occidentalis Thomas W. Nelson, Martin J. Lenz 2004-6-9 9229 Shasta Branch off Founders Ferry Rd. 2.2 mi. N of jct. with Hwy. 299, along USFS Rd. 34N02, .6 mi. from jct. with Founders Ferry Rd. 691 Comment
  HSC46269  Calystegia occidentalis subsp. occidentalis Sheila Logan 1978-5-13 136 Shasta Beegum Gorge Rd. (FS Rd. 1S02) 976 Comment
  HSC84311  Calystegia occidentalis subsp. occidentalis J. P. Smith, Thomas W. Nelson 1982-5-15 10420 Shasta Lewiston Turnpike along Sawpit Gulch, 1.2 mi. from its junction with Hwy. 299 579 Comment
  UCD37446  Camelina microcarpa Beecher Crampton 1960-6-16 5626 Shasta Shasta County, 2.5 miles north of Glenburn, Fall River Valley, Eastman Lake Area, Belmonte Ranch. 1066 Comment
  POM256113  Camissonia contorta C. L. Hitchcock 1940-5-24 6554 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  UCD103450  Camissoniopsis hirtella Collector Unknown 1950-6-1 s.n. Shasta Ono #2. Comment
  RSA768317  Campanula prenanthoides Justin M. Wood 2010-9-2 2538 Shasta Southeast face of Round Mtn: +/- 1.0 mile northwest of general store (highway 299), just southeast of communication towers on peak. 995 Comment
  POM188462  Campanula prenanthoides Marcus E. Jones 1931-7-17 2906 I Shasta Shasta City (Session's). Comment
  SEINET10462940  Campanula prenanthoides Jones 1931-7-17 Jones 29061 Shasta Shasta City (Session's) Comment
  SEINET10462942  Campanula prenanthoides Strausbaugh 1970-7-19 STRAUSBAUGH 137 Shasta Shaded moist banks Boulder Creek 25 ft. to northwest side of dirt road where crossed creek, about 3.5 miles east of summit of Shasta Bally 457 Comment
  SEINET10462943  Campanula prenanthoides Weigart WEIGART s.n. Shasta Whitmore Comment
  SEINET10462949  Campanula prenanthoides Jones 1902-6-25 Jones s.n. Shasta Spring Camp Comment
  JEPS79373  Campanula scabrella L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5146 Shasta about 100 meters e Ski Heil Peak summit (ne of Emerald Lake); Lassen Volcanic National Park, Ski Heil Peak 2651 Comment
  JEPS79374  Campanula scabrella L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5146 Shasta n of Emerald Lake (about 100 mi e of summit of Ski Heil Peak); Lassen Volcanic National Park, Ski Heil Peak 2651 Comment
  SEINET5501125 Image available Campanula shetleri Sally Walker 1984-7-26 Shasta Lower Castle Lake Comment
  CHSC93278  Capsella bursa-pastoris R. Fischer 2005-4-18 633 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected in a grassy opening under yellow pine and Oregon White Oak at camp 8, north of Horr Pond. 1010 Comment
  HSC59558  Capsella bursa-pastoris Rick Lundquist 1979-4-22 30 Shasta 8 mi. W of Whitmore on Whitmore Rd., N of Hwy. 44 610 Comment
  CAS-BOT-BC37226  Cardamine bellidifolia George W. Gillett 1953-8-6 313 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 2804 Comment
  RSA66100  Cardamine bellidifolia F. W. Peirson 1926-6-23 6847 Shasta Upper portion of trail to summit of Lassen Peak. Lassen National Park. Comment
  UCD114168  Cardamine bellidifolia Dean Wm. Taylor; Ingrid Olmsted 1975-8-24 312 Shasta Lassen National Forest; Thousand Lakes Wilderness, Magee Peak and vicinity. 2438 Comment
  UC1543774  Cardamine bellidifolia var. pachyphylla Harold and Virginia Bailey 1948-8-27 2950 c Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area, Lassen Volcanic National Park); Lassen Volcanic National Park, Lake Helen 2590 Comment
  JEPS53305  Cardamine oligosperma J. W. Blankinship 1911-3-25 Shasta Redding Comment
  CDA33831  Cardaria chalepensis J. Staggs 2010-6-7 PDR# 1361545 Shasta McArthur; Carpenters Trucking 0 Comment
  CDA6823  Carduus nutans T. C. Fuller 1967-6-29 16040 Shasta West side of I-5, 0.25 mile south of overpass of Flume Creek road, 4 miles south of Castella. 0 Comment
  CAS-BOT-BC282952  Carduus nutans T. C. Fuller 1967-6-29 16040 Shasta W side of IS 5, 0.25 mile S of overpass of Flume Creek Rd, 4 miles S of Castella Comment
  CDA38010  Carduus nutans CDFA Staff 1991-1 s.n. Shasta No additional data. 0 Comment
  CHSC84057  Carduus pycnocephalus Lowell Ahart; John Dittes 2003-5-22 10185 Shasta Just west of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  CDA35614  Carduus pycnocephalus J. Staggs 2011-5-13 PDR# 1555714 Shasta Redding. 0 Comment
  CAS-BOT-BC18188  Carex Marck Menke 1999-7-4 64 Shasta Lassen Volcanic National Park. Banks of upper Manzanita Creek at bridge crossing for Manzanita Creek Trail. 1981 Comment
  UC1149882  Carex abrupta Harold and Virginia Bailey 1948-8-25 2996 Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  CAS-BOT-BC19758  Carex abrupta Hans Leschke 1945-9-16 s.n. Shasta Lassen Loop Highway near summit, Mount Lassen. Comment
  CAS-BOT-BC17895  Carex angustata George Wilson Gillett 1957-8-20 1119 Shasta Lassen Volcanic National Park. Brokeoff Meadows, above cabins. 1920 Comment
  CAS-BOT-BC17948  Carex angustata Hans Leschke 1958-9-30 1574 b Shasta Lassen Volcanic National Park. Grassy Swales. 1935 Comment
  CAS-BOT-BC17957  Carex angustata John Thomas Howell 1960-8-22 36406 Shasta Lassen Volcanic National Park. Pond north of Summit Lake. 2042 Comment
  CHSC110087  Carex angustata Barbara L. Wilson; Peter Zika 2011-8-7 16820 Shasta Highway 89, a little south of Ponderosa Way; UTM Zone 10, 608474 east, 4559366 north, +/- 23 feet. 1256 Comment
  RSA81928  Carex aquatilis Marcus E. Jones 1897-7-8 s.n. Shasta Lassen Peak. 1829 Comment
  SEINET7550696 Image available Carex athrostachya George W. Gillett 1957-7-5 656 Shasta Manzanita Lake area, trail between employees area and museum. Lassen Volcanic National Park. 1798 Comment
  JEPS63599  Carex barbarae J. W. Blankinship 1910-6-25 Shasta Redding Comment
  CHSC96215  Carex comosa R. Fischer 2006-7-23 929 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected near south end of Big Lake, the western shore, at end of a long drainage arm adjacent park road. Carex growing in water at shoreline. 1007 Comment
  HSC48647  Carex densa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-21 19087 Shasta Along Hwy. 44, about 2 mi. W of Shingletown Comment
  UCR228225  Carex divulsa subsp. divulsa Peter F. Zika, Julie Nelson 2010-5-15 24812 Shasta Sacramento Valley, Route 299 just west of Jim Harvey Road, between Redding and Bella Vista 195 Comment
  CAS-BOT-BC20742  Carex fracta Hans Leschke 1957-9-19 1522 Shasta Lassen Volcanic National Park. Trail along Grassy Swales. 1920 Comment
  CAS-BOT-BC22178  Carex helleri Lewis S. Rose 1945-9-4 45246 Shasta Summit Lassen Peak Highway. 2590 Comment
  CAS-BOT-BC20971  Carex heteroneura Harold Bailey; Virginia Bailey 1948-8-25 2989 Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  UC2015830  Carex heteroneura Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-7-20 4325 Shasta Lassen Volcanic National Park. Hat Lake (lake had been created by debris dam from the Lassen avalanche that caused the 'devastated area'. The 'lake' is now a stream with a broad gravelly bed, dominated by short willows. Comment
  CAS-BOT-BC28061  Carex illota Hans Leschke 1960-8-5 1711 Shasta Between Upper Twin Lake & Echo Lake. 2057 Comment
  UC1598402  Carex illota Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4442 Shasta at margins of Kings Creek and overhanging it Lassen Volcanic National Park, Upper Kings Creek Meadow Comment
  CHSC86184  Carex inops subsp. inops Martin J. Lenz 2003-6-2 10 Shasta North side of Clark Cr. approx. 100 ft. above creek, along north side of 150H road, approx. 0.28 mi. from H-line. 1441 Comment
  CAS-BOT-BC7749  Carex integra George Wilson Gillett; Hans Leschke 1957-7-13 781 Shasta Lower Kings Creek Meadow. 2194 Comment
  SEINET3220066 Image available Carex jonesii David Castaner 1971-8-17 1910 Shasta Lassen Volcanic National Park; Paradise Meadow. Comment
  CAS-BOT-BC28467  Carex lenticularis var. lipocarpa Hans Leschke 1960-8-5 1709 Shasta Upper Twin Lake 2011 Comment
  CAS-BOT-BC31421  Carex leporinella Hans Leschke 1956-9-21 s.n. Shasta Cold Boiling Lake 2257 Comment
  CAS-BOT-BC31423  Carex leporinella Hans Leschke 1959-8-8 1627 Shasta Cold Boiling Lake Comment
  CAS-BOT-BC31512  Carex luzulifolia Hans Leschke 1954-9-20 s.n. Shasta Terrace Lake 2354 Comment
  SEINET12746271  Carex luzulifolia Unknown 1969-1 2181 Shasta 5.8 miles North of South entrance to Lassen Volcanic National Park Comment
  SEINET10711167  Carex luzulina David Castaner 1971-8-17 Castaner 1918 Shasta Lassen Volcanic NP; King's Creek Meadow; wet area near brook; 0% cover. 2256 Comment
  SEINET10711178  Carex luzulina David Castaner 1971-8-17 Castaner 1916 Shasta King's Creek Meadow; Wet Area Brook; No Cover; Lassen Volcanic National Park. Comment
  CAS-BOT-BC31552  Carex luzulina var. luzulina William Bridge Cooke 1939-7-7 13629 Shasta In the Sedge Swamp at Wagon Camp 2377 Comment
  CDA12934  Carex multicaulis G. F. Hrusa 1996-5-2 12876 Shasta Lassen National Forest; Approx. 1/2 mile S of Old Station Trailer Park on Hwy 44-89. Comment
  CHSC92970  Carex nebrascensis R. Fischer 2005-5-21 505 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. At north end of Big Lake in meadow near water edge. 1007 Comment
  CHSC96303  Carex nebrascensis R. Fischer 2006-7-21 885 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected near Crystal Springs from grassy meadows along the shoreline. 1007 Comment
  CAS-BOT-BC119710  Carex nervina Hans Leschke 1954-7-5 s.n. Shasta Hat Lake 1965 Comment
  CAS-BOT-BC119600  Carex nigricans Hans Leschke 1955-7-15 s.n. Shasta Cold boiling Lake. Comment
  UC2015833  Carex nigricans Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4426 Shasta Lassen Volcanic National Park. Emerald Lake. Comment
  HSC48871  Carex nudata J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9854 Shasta 1 mi. N of bridge over Brown's Creek on County Line Rd. 671 Comment
  UCD140696  Carex nudata P. B. Kennedy 1927-6-13 9 Shasta Pit River, Looseley Pool. Comment
  SEINET7572044 Image available Carex praeceptorum Juha Pykala, D. H. Norris, Heikki Toivonen 1987-7-25 3004 Shasta Lassen Volcanic National Park, SW of Lassen Peak, Soda Lake. 2377 Comment
  HSC95819  Carex praegracilis Juha Pykala, D. H. Norris 1987-7-8 2489 Shasta Hat Creek Valley, Hwy. 89, 2.3 mi. N of Bridge Campground 1000 Comment
  SEINET10709354  Carex rossii Willard W. Eggleston 1911-7-31 Eggleston 7382 Shasta Jason & Stewart's Camp, Headwaters of Hat Creek, Lassen Forest. 2120 Comment
  JEPS100917  Carex rostrata Dean W. Taylor 1988-6-22 9850 Shasta Cornaz Lake, (general vicinity of S slope Burney Mountain, Lassen National Forest 1341 Comment
  CHSC90364  Carex scabriuscula Martin J. Lenz 2004-7-24 230 A Shasta Meadow near North Fork Shotgun Cr.; approx. 3.8 air mi. west of Sims CDF Fire Station. UTM: 10 547760 E 4547457 N. 1372 Comment
  CAS-BOT-BC28349  Carex scopulorum var. bracteosa Hans Leschke 1954-9-21 s.n. Shasta Above cascades of Kings Creek. Comment
  CHSC116455  Carex scopulorum var. bracteosa Julie Kierstead Nelson; Martin Lenz, Rhonda Posey 2014-8-13 2014 -073 Shasta Lower Parks creek Lake margin, 1 mile northeast of China Mountain, eastern Klamath Region. 2209 Comment
  SBBG27511  Carex senta C. L. Hitchcock 1940-5-23 6509 Shasta ca. 0.25 mi S of Burney Falls Comment
  UC830178  Carex specifica E. G. Anderson 1935-8-29 Shasta Dersch Meadows Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC117826  Carex specifica Hans Leschke 1954-9-24 s.n. Shasta Kings Creek Camp Grounds. 2240 Comment
  CAS-BOT-BC117828  Carex specifica Hans Leschke 1959-8-6 1610 Shasta Hat Lake Comment
  CAS-BOT-BC117214  Carex spectabilis R. Tallent 1987-8-17 946 Shasta Lassen National Park: Kings Creek Meadows, upper meadow. 2300 Comment
  CHSC60441  Carex spectabilis Mary Ann Showers 1992-6-28 2683 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  UC992  Carex spectabilis W. H. Brewer 1863-9-28 2186 Shasta Lassen's Peak 2743 Comment
  CAS-BOT-BC116992  Carex straminiformis John Thomas Howell 1960-8-23 36452 Shasta Lassen Loop N of Diamond Peak. 2255 Comment
  JEPS63547  Carex subfusca W. L. Jepson 1929-9-28 15308 Shasta head of Manzanita Creek, nw slope of Lassen Peak Lassen Peak, Manzanita Creek 2438 Comment
  CAS-BOT-BC115881  Carex subfusca John Thomas Howell 1952-6-13 28326 Shasta Marshy ground, 2 mi N of Castle Crags. Comment
  CAS-BOT-BC115887  Carex subfusca Hans Leschke 1945-9-8 s.n. Shasta Mt Lassen trail. 2590 Comment
  SEINET7577195 Image available Carex subfusca John Thomas Howell 1960-8-21 36313 A Shasta Lassen Volcanic National Park, Lassen Loop east of Diamond Peak. 2225 Comment
  JEPS63544  Carex vernacula W. L. Jepson 1929-9-29 15321 Shasta foot of cone, nw slope Lassen Peak Lassen Peak 2682 Comment
  CAS-BOT-BC115052  Carex vesicaria George Wilson Gillett 1957-7-5 655 Shasta Manzanita Lake area, Lassen Volcanic National Park. 1798 Comment
  CAS-BOT-BC248982  Castilleja Ella Dales Cantelow 1939-6-10 2583 Shasta 17 mi. s. of McCloud, Jct. Burney - Redding - Alturas Hy. Comment
  JEPS122369  Castilleja applegatei Joseph Broberg, Nick Dove 2012-7-26 CA 320 -114 Shasta From Alturas head Southwest on Highway 299 towards Fall River Mills. Turn left onto Cassel Fall River road and continue 3.2 miles to Cinder Cone Road. Follow Cinder Cone Road until it merges with Bald Mountain road. Collection site is on basalt outcrop on South of the road, in a burned and logged area Comment
  RSA82242  Castilleja applegatei subsp. pinetorum F. W. Peirson 1932-7-14 10417 Shasta East of Lake Eiler, Thousand-Lake Basin. 1951 Comment
  UC1036305  Castilleja applegatei subsp. pinetorum George W. Gillett 1952-8-21 211 Shasta 8 mi n Manzanita Lake Checking Station (along State Highway 89, ne of Lassen Volcanic National Park); Lassen National Forest 1402 Comment
  CAS-BOT-BC243729  Castilleja applegatei var. pinetorum Alice Eastwood 1922-10-18 11533 Shasta Shasta Springs Comment
  CAS-BOT-BC243730  Castilleja applegatei var. pinetorum Alice Eastwood 1912-6-29 762 Shasta Goose Valley Comment
  CAS-BOT-BC243715  Castilleja applegatei var. pinetorum Hans Leschke 1958-8-16 1536 Shasta Trail Twin Lakes, Lassen Volcanic National Park 2026 Comment
  JEPS105107  Castilleja arachnoidea Dean W. Taylor 1993-7-9 13834 Shasta Echo Lake; ca. 8 air miles WSW of Dunsmuir; Shasta-Trinity National Forest, Trinity Mountains 1828 Comment
  JEPS3312  Castilleja arachnoidea George W. Gillett 1952-7-26 101 Shasta 0.75 mi above Lassen Peak trail crossing with State Highway 89 (on Lassen Peak trail); Lassen Volcanic National Park 2651 Comment
  JEPS3316  Castilleja arachnoidea George W. Gillett 1952-8-26 234 Shasta above Kings Creek (and below road into Kings Creek Campground); Lassen Volcanic National Park 2255 Comment
  OBI77202  Castilleja arachnoidea Anthony Baniaga 2011-7-20 513 Shasta Lassen NF. Jctn of 32N17Y and 32N13, ca 1 mi SE of Ashpan Snowmobile Park. Manzanita Lake qud T32N R4E sec 33 NE of NE 1592 Comment
  UC1543816  Castilleja arachnoidea Harold and Virginia Bailey 1948-8-27 2939 a Shasta Lassen Peak Trail; Lassen Volcanic National Park 2590 Comment
  CHSC84122  Castilleja attenuata Lowell Ahart; John Dittes 2003-5-12 10161 Shasta Near a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  JEPS9971  Castilleja attenuata Alice King Apr 1921 Shasta Anderson Comment
  JEPS81868  Castilleja lacera L. R. Heckard with J. C. Hickman, J. Bartel and A. Q. Howard 1982-4-26 5839 Shasta e of Redding (s of North Valley Baptist Church, Enterprise); Enterprise Comment
  UC886499  Castilleja lacera C. L. Hitchcock 1940-5-27 6631 Shasta near McArthur Comment
  CAS-BOT-BC251924  Castilleja lemmonii Hans Leschke 1961-8-15 1818 Shasta Twin Meadows, southern part 2057 Comment
  SEINET14063409  Castilleja miniata H. M. Hall, E. B. Babcock 1903-1 4303 Shasta Mill Creek. 2438 Comment
  RSA82241  Castilleja miniata F. W. Peirson 1932-7-14 10210 Shasta Thousand-Lake Basin. 1951 Comment
  JEPS79378  Castilleja parviflora L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5150 Shasta about 1.5 air mi below Summit Lake (on Drakesbad trail); Lassen National Park 1950 Comment
  RSA428396  Castilleja pilosa H. F. Copeland 1931-8-9 1442 Shasta Mt. Lassen, near timberline. 2591 Comment
  SEINET7067180  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-2 s.n. Shasta About 4.4 miles east of Redding on Boyle Road. Coordinate datum: NAD27. UTM Zone 10, 561215mE, 4493440mN. Comment
  CAS-BOT-BC48632  Ceanothus cordulatus C. H. M. 1907-9-11 s.n. Shasta Northern Sierra Nevada, Calif. (between Montgomery Cr. & Burney) 1219 Comment
  CAS-BOT-BC48385  Ceanothus cuneatus Alice Eastwood 1912-6-29 1001 Shasta Goose Valley Comment
  JEPS128825  Ceanothus cuneatus Julie Kierstead Nelson with Martin Lenz 2017-5-5 2015 -004 Shasta Upper Sacramento River watershed, west of I-5, west of Gibson, eastern Klamath Ranges. Along Highland Lakes Road, 38N21. Comment
  UC1071138  Ceanothus cuneatus var. cuneatus R. W. Lundh 1932-11-15 179 Shasta French Gulch Weaverville quad 914 Comment
  HSC84177  Ceanothus integerrimus J. P. Smith, Thomas W. Nelson 1982-5-15 10434 Shasta Lewiston Turnpike along Sawpit Gulch, 2.5 mi. from its junction with Hwy. 299 671 Comment
  UC870579  Ceanothus integerrimus C. L. Hitchcock 1940-5-20 6476 Shasta 25 mi e Redding Comment
  CAS-BOT-BC50612  Ceanothus lemmonii Lewis S. Rose 1934-4-21 34236 Shasta Castle Rock 609 Comment
  CAS-BOT-BC50620  Ceanothus lemmonii C. Hart Merriam 1907-9-5 s.n. Shasta Little Cow Creek near Ingot Comment
  CAS-BOT-BC50624  Ceanothus lemmonii Alice Eastwood 1912-7-26 1467 Shasta Kennett Comment
  HSC60185  Ceanothus lemmonii J. P. Smith, J. O. Sawyer 1976-5-9 8731 Shasta Whiskeytown National Recreational Area, Oak Bottom Campground. Comment
  POM203177  Ceanothus lemmonii L. S. Rose 1934-4-21 34236 Shasta Castle Rock. 610 Comment
  RSA63066  Ceanothus lemmonii L. S. Rose 1950-5-7 50013 Shasta Near Lamoine 366 Comment
  UC1182183  Ceanothus lemmonii E. B. A. 1960-4-21 56 Shasta 13 miles southwest of Buckeye 228 Comment
  UCD112195  Ceanothus lemmonii G. L. Webster; June McCaskill, Robert Rhode, John Tucker 1993-5-16 7768 Shasta Just N of Ellery Creek campground, just N of Ellery Creek campground. 320 Comment
  RSA793597  Ceanothus pinetorum D. H. Wilken, E. Painter 2004-6-8 16192 Shasta North slope of Buckhorn Balley. 1450 Comment
  CAS-BOT-BC52067  Ceanothus prostratus Carl B. Wolf 1941-7-24 11066 Shasta 2.3 mi. above (SW. of) Hat Creek Ranger Station on rd. to Burney Spring 1219 Comment
  CAS-BOT-BC52075  Ceanothus prostratus C. R. Quick 1964-6-21 64 -19 Shasta Burney Comment
  CAS-BOT-BC52102  Ceanothus prostratus John Thomas Howell 1960-8-22 36413 Shasta 4.5 miles NE. of Manzanita Lake Comment
  UC1543758  Ceanothus prostratus Harold and Virginia Bailey 1948-8-27 2845 Shasta Lassen Volcanic National Park, Loop Road about 3 mi E of Manzanita Lake 1828 Comment
  UCD112826  Ceanothus velutinus D. Sanchez-Mata 1996-6-30 s.n. Shasta Lassen National Forest -- Lassen Volcanic National Park. 1700 Comment
  UCD112833  Ceanothus velutinus T. I. Storer 1932-7-24 s.n. Shasta Near Hat Creek, about 16 mi. S. of Cassel. 1341 Comment
  CDA20581  Centaurea diffusa K. Martyn 2005-8-11 PDR 1360532 Shasta Northern California; Island of the SB on-ramp to I-5 at LaMoine Rd. 0 Comment
  CHSC9220  Centaurea solstitialis G. Strausbaugh 1970-7-26 148 Shasta S end of Brandy Creek Swimming Area parking lot in triangle of building blocks ca. 15 ft. to left of refreshment stand. 376 Comment
  CHSC89638  Centaurea squarrosa R. Fischer 2004-7-5 336 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located along Lava Spring Trail between Camp 7 and Crystal Springs. On or next to this road along its length. 1011 Comment
  UCR255889  Centaurea virgata subsp. squarrosa Greg de Nevers 2001-7-25 12621 Shasta Ahjumawi [Lava Springs] State Park 915 Comment
  OBI75207  Centaurium David J. Keil, with Kathleen Keil 2011-7-25 31089 Shasta Trailhead area, south side of Clear Creek Road west of Redding 150 Comment
  OBI16300  Centromadia fitchii Carl B. Wolf 1937-8-8 9075 Shasta head of Sacramento Valley, 6 mi N of Redding 244 Comment
  CAS-BOT-BC288784  Centromadia fitchii L. E. Smith 1913-7-1 430 Shasta Anderson Comment
  CHSC92983  Cerastium fontanum subsp. vulgare R. Fischer 2005-5-21 462 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Along water edge near northern end of Big Lake in meadow. 1007 Comment
  CHSC84070  Cerastium glomeratum Lowell Ahart; John Dittes 2003-5-22 10210 Shasta West side of a wash, west of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  CAS-BOT-BC207601  Cercis occidentalis Elmer I. Applegate 1929-6-23 5827 Shasta Hat Creek Valley, upper Pitt River region Comment
  CAS-BOT-BC207607  Cercis occidentalis Alice Eastwood 1912-7-1 888 Shasta Pitt River Comment
  POM87964  Cercis occidentalis L. R. Abrams 1922-8-9 9925 Shasta Meers Creek near Castella. Comment
  UCSB12839  Cercis occidentalis Breedlove, Dennis 1962-6-11 Shasta Along State Highway 89; 3.1 miles north of Burney Falls State Park; Cascade Range 914 Comment
  RSA244989  Cercis occidentalis K. P. St. John 1965-5-6 33 Shasta 1 mile west of Fall River Mills on Highway 299. Comment
  CHSC37668  Cercocarpus betuloides T. B. Devine 1981-9-6 776 Shasta Wilson Hill Road, ca. 2 mi S of Shingletown. 731 Comment
  UCD35715  Cercocarpus betuloides Beecher Crampton 1960-6-16 5649 Shasta Ca. 9 miles south of Fall River Mills, Proctor Creek area. Comment
  UCD35718  Cercocarpus betuloides Beecher Crampton 1960-6-16 5665 Shasta 3 miles north of Fall River Mills, east slope of Saddle Mountain. Comment
  CAS-BOT-BC135445  Cercocarpus betuloides var. betuloides S. Bowie; R. Lopez; D. Riess 1994-4-9 0027 Shasta 30 m south of Road A16, .6 km northeast from intersection with Hwy. 36. Comment
  RSA0049751  Cercocarpus betuloides var. macrourus Dean Wm. Taylor 2013-4-25 21339 Shasta Cornaz Lake Road (Forest Road 26) about 1.5 miles up from (traveling west) Highway 89 1188 Comment
  RSA11814  Cercocarpus ledifolius Elmer I. Applegate 1929-6-23 5868 Shasta Hat Creek Valley, Eastern Shasta County. Comment
  HSC48535  Cercocarpus montanus var. glaber J. P. Smith 1977-4-16 9008 Shasta Tom Green Mine Rd., 0.8 mi. from its junction with Main St. in French Gulch 457 Comment
  CHSC30236  Chaenactis douglasii var. douglasii M. S. Taylor; J. D. Prouty 1980-6-25 2970 Shasta Grizzly Peak and ridge to the west, ca. 5 mi e of Lake McCloud. 1905 Comment
  CAS-BOT-BC276741  Chaenactis douglasii var. douglasii George W. Gillett 1953-8-20 332 Shasta Devastated area NW of lake and above road, vicinity of Hat Lake 1996 Comment
  CAS-BOT-BC276747  Chaenactis douglasii var. douglasii H. M. Hall 1902-9-7 5120 Shasta Horse Camp, Mount Shasta Comment
  CAS-BOT-BC277655  Chaenactis glabriuscula var. megacephala Clarence Quick 1965-7-10 65 -01 Shasta Long Valley Plantation, N end of Long Valley, N. of Burney Comment
  JEPS28573  Chaenactis nevadensis George W. Gillett 1957-7-11 714 Shasta above Crater Lake (on Chaos Crags); Lassen Volcanic National Park 2072 Comment
  UC1036242  Chaenactis nevadensis George W. Gillett 1952-8-2 146 Shasta summit area of Lassen Peak Lassen Volcanic National Park 3139 Comment
  CAS-BOT-BC141683  Chamaebatia foliolosa M. S. Baker; F. Nutting 1894-5-26 s.n. Shasta Goose Valley Comment
  JEPS44975  Chamaebatiaria millefolium W. L. Jepson 1914-8-11 5765 Shasta Upper Fall River Valley, ne of Dana, ne Shasta County Upper Fall River Valley 1036 Comment
  UC1036275  Chamaebatiaria millefolium George W. Gillett 1952-7-22 98 Shasta 10 mi n of Manzanita Lake Checking Station (along State Hwy 89 ne of Lassen Volcanic National Park); Lassen National Forest 1463 Comment
  UC54344  Chamaebatiaria millefolium H. M. Hall and E. B. Babcock June, 1903 4245 Shasta Sierra Nevada Mountains, north-eastern Shasta County Sierra Nevada Mountains 1219 Comment
  UCD112956  Chamaebatiaria millefolium Elisabeth M. Schade 1989-9-16 s.n. Shasta Highway 44 between northern entrance to Lassen Park and Old Station (ca. 14 miles); at roadside, 1.8 miles south of 'Vista Point Penny Pines'. Comment
  RSA565066  Cheilanthes cooperae D. W. Taylor, James R. Shevock 1993-5-1 13404 Shasta South end Gray Rocks, Squaw Creek watershed, Shasta Lake region 854 Comment
  JEPS104929  Cheilanthes gracillima Dean W. Taylor 1993-6-2 13552 Shasta Damnation Creek; on about 1 mile east of Clear Creek and Clear Creek Campground; Trinity Mountains; Shasta-Trinity National Forest 1082 Comment
  JEPS28553  Chenopodium pumilio George W. Gillett 1957-7-9 684 Shasta confluence of Hat Creek and Lost Creek (n of Park, about 2 mi s of Big Springs); Lassen Volcanic National Park 1524 Comment
  CHSC61099  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1993-7-27 5727 Shasta Lassen Volcanic National Park. Lower lake in Blue Lake Canyon. 2072 Comment
  UC914274  Chimaphila menziesii Verne Grant and Alva Grant 1947-7-13 8027 Shasta 2.9 mi. e. of Hatchet Creek on Hatchet Mt. Comment
  JEPS58872  Chimaphila umbellata Jos. Grinnell 1928-6-30 Shasta Viola Rd. between Viola and Mineral (on Digger Creek); e. Shasta Co., Digger Creek 1371 Comment
  CDA20221  Chloris virgata E. Finley 2003-9-12 PDR P 208632 Shasta Northern California; Logan Rd 0 Comment
  UC843759  Chlorogalum angustifolium C. L. Hitchcock 1940-5-17 6460 Shasta 3 mi e Redding 152 Comment
  UCD138422  Chlorogalum angustifolium R. Tofsrud 1949-5-30 Shasta Holland. Comment
  SEINET7040060  Chorizanthe stellulata A. G. Vestal 1963-5-31 s.n. Shasta Ca 10.2 miles northeast of Balls Creek on the Still Water Plains. Balls Ferry Quad. UTM Zone 10, 564612mE, 4482816mN. Comment
  UCR206940  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2009-6-10 14926 Shasta Southern Cascade Range, KOA campground on the south side of CA-44, 4.0 miles east of Shingletown 1098 Comment
  RSA134771  Chrysothamnus nauseosus subsp. albicaulis Percy C. Everett, E. K. Balls 1959-10-21 23909 Shasta 2.9 miles N from entrance to Mt. Lassen National Park along State Hwy. 89 2256 Comment
  RSA79085  Chrysothamnus nauseosus subsp. albicaulis E. K. Balls, Percy C. Everett 1952-10-14 18199 Shasta 6.1 miles SW of Honn Creek Public Camp, Hwy. 89, between Mt. Shasta and Lassen Peak 1067 Comment
  JEPS100738  Cicendia quadrangularis Dean W. Taylor 1993-4-16 13346 Shasta Coleman Forebay 289 Comment
  UCSC000503  Cicuta douglasii L. McArthur 1947-7-11 s.n. Shasta McArthur Comment
  CAS-BOT-BC412817  Cirsium andersonii Andrew Townesmith; Karen M. Meyer 2007-7-26 861 Shasta Shasta-Trinity National Forest. 7.2 miles west of state route 299 on Fender's Ferry Road (Forest Service road 34N17) 459 Comment
  CAS-BOT-BC285334  Cirsium andersonii Blanche Clear 1940-7-29 s.n. Shasta Manzanita Lake, Lassen Volcanic Park Comment
  CDA19141  Cirsium arvense K. Martyn 2001-7-2 PDR 1198399 Shasta Modoc Plateau; McArthur 0 Comment
  CHSC89637  Cirsium occidentale var. candidissimum R. Fischer 2004-7-3 337 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected near Camp 7. 1010 Comment
  UCD130572  Cirsium occidentale var. candidissimum Dan Markham 1994-7-11 s.n. Shasta near MacArthur. Comment
  CDA13530  Cirsium scariosum var. americanum G. F. Hrusa, T. D. Wilfred 1996-7-22 13357 Shasta Lassen National Forest; USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. Comment
  CAS-BOT-BC285890  Cirsium vulgare Lewis S. Rose 1945-9-2 45220 Shasta 1 mi. se. of Doyles Corner 975 Comment
  CAS-BOT-BC439044  Cistanthe monosperma Ynez Whilton Winblad 1941-7-1 s.n. Shasta Between Weed and Dunsmuire [Dunsmuir] Comment
  CAS-BOT-BC228933  Cistanthe umbellata Milo S. Baker 1926-7-14 27 b-'26 Shasta S. Fork Mt. Forest Road - 4 1/2 mi. North Highway - Glade in Woods Comment
  CHSC107410  Clarkia arcuata Jake Ruygt 2009-5-25 5421 e Shasta McArthur-Burney Falls State Park. 907 Comment
  SEINET10739015 Image available Clarkia borealis subsp. arida Ernest Small 1967-1 Small 206 Shasta Specimens in fruit were collected July 21, 1967, from Shasta County California. State Highway 44, east of Redding 1.2 miles east of intersection with County Road A17. 7.7 miles west of Shingletown. Level terrain. Flowering specimens were grown in lathe house in Ottawa, Canada, April 20, 1971, from seed from fruiting specimens. 518 Comment
  UC1461636  Clarkia borealis subsp. arida E. Small 1967-7-21 206 Shasta CA State Hwy 44 1.2 mi e intersection with County Road A17 (e of Redding, 7.7 mi w of Shingletown); ; E of Redding, Shasta Co. 518 Comment
  RSA768318  Clarkia borealis subsp. borealis Justin M. Wood 2010-9-2 2539 Shasta Round Mountain: Southeast face of Round Mtn: +/- 1.0 mile northwest of general store (highway 299), just southeast of communication towers on peak. 995 Comment
  HSC46261  Clarkia gracilis Sheila Logan 1978-5-13 150 Shasta Beegum Gorge Rd. (FS Rd. 1S02) 976 Comment
  HSC85701  Clarkia gracilis J. P. Smith, J. O. Sawyer 1982-5-8 10361 Shasta 0.7 mi. N of French Gulch 640 Comment
  SBBG28047  Clarkia gracilis C. L. Hitchcock 1940-5-27 Shasta near McArthur Comment
  SBBG28048  Clarkia gracilis C. L. Hitchcock 1940-5-20 Shasta 25 mi E of Redding Comment
  CAS-BOT-BC164536  Clarkia gracilis subsp. albicaulis L. E. Smith 1913-5-28 315 Shasta Pitt River Comment
  CAS-BOT-BC163173  Clarkia lassenensis Alice Eastwood; John Thomas Howell 1940-6-11 7960 Shasta Near McArthur Comment
  RSA25349  Clarkia lassenensis C. L. Hitchcock 1940-5-25 6596 Shasta Below Pit Dam, Power Plant, 2 miles west of Fall River Mills. 1341 Comment
  CAS-BOT-BC163392  Clarkia purpurea subsp. purpurea Alice Eastwood 1912-7-25 1405 Shasta Pitt to Baird Comment
  CHSC88358  Clarkia rhomboidea R. Fischer; J. Marr 2004-5-28 242 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located along Lava Springs Trail between Crystal Springs and Ja-She. 1010 Comment
  RSA0014258  Clarkia rhomboidea Justin M. Wood 2010-9-2 2551 Shasta Northwest face of Round Mtn: +/- 1.2 mile northwest of general store (highway 299), just northwest of communication towers along road leading to the peak. 946 Comment
  UC1730251  Clarkia rhomboidea L. P. Janeway 1995-7-8 4844 Shasta 1.0 mi SW of the western end of Iron Canyon Reservoir (1.0 mi straight S of Coyote Peak) 960 Comment
  SEINET10453165  Clarkia rhomboidea Mary Susan Taylor 1980-6-10 Taylor 2815 Shasta T37N R4W wc sec 34. Dunsmuir quad. Sims Flat Road, N side, at its jct with trail, ca. 3 mi due SE of Sims Flat Campground, ca. 5 mi S of Sweetbriar, , Shasta Natl Forest. 1031 Comment
  CHSC6186  Clarkia stellata M. West 1946-6-23 Shasta Hat Creek. 1112 Comment
  UC54453  Claytonia lanceolata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4295 Shasta Soupan Springs; Mt. Lassen 2438 Comment
  SEINET4087361  Claytonia lanceolata O. M. Clark 1947-1 14322 Shasta Lassen Peak, Lassen National Park. Comment
  HSC46262  Claytonia parviflora subsp. parviflora Sheila Logan 1978-5-13 146 Shasta Beegum Gorge Rd. (FS Rd. 1S02) 976 Comment
  UC144456  Claytonia parviflora subsp. parviflora A. A. Heller 1905-5-30 7900 Shasta near Redding Comment
  JEPS101060  Claytonia rubra subsp. rubra Dean W. Taylor 1993-5-26 13519 Shasta Burney Valley, ca. 3 miles NW of Burney; just E of Goose Valley, along unnamed tributary to Goose creek 1005 Comment
  CSUSB1831  Clematis lasiantha Jack Hill, Michele Hill 1973-7-8 Shasta Roadside, Highway 299, 7 miles west Whiskeytown Lake. 914 Comment
  CAS-BOT-BC92740  Clematis ligusticifolia E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station. Comment
  CAS-BOT-BC238051  Collinsia Alice Eastwood 1912-6-29 709 Shasta Goose Valley Comment
  CHSC93308  Collinsia parviflora R. Fischer 2005-4-14 563 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Collected at camp 7. 1013 Comment
  UCD123640  Collinsia parviflora G. F. Hrusa 1992-5-3 10491 Shasta under powerlines to north of Big Bend. Comment
  HSC72421  Collinsia rattanii J. P. Smith 1976-5-22 8807 Shasta French Gulch-Carrville Rd. 1402 Comment
  UC885595  Collinsia tinctoria A. A. Heller 1916-7-23 12498 Shasta between McCloud and Sacramento Rivers along the highway grade Sacramento River; between McCloud and Sacramento Rivers Comment
  UC885598  Collinsia tinctoria Alice Eastwood 1912-7-25 1416 Shasta Pitt to Baird Comment
  RSA113297  Collinsia torreyi E. K. Balls, Lee W. Lenz 1956-6-19 21826 Shasta 2.7 mi. n. of Subway Cave along Hat Creek, State Hwy. 89, McCloud to Mt. Lassen. 1341 Comment
  SD46683  Collinsia torreyi E. K. Balls, L. W. Lenz 1956-6-19 21826 Shasta 2.7 mi. n. of Subway Cave along Hat Creek, State Hwy. 89, McCloud to Mt. Lassen 1341 Comment
  CHSC9237  Collinsia torreyi var. latifolia G. Strausbaugh 1970-6-21 110 Shasta Near summit Buckhorn Bally ca. 3.5 mi. s from U.S. Hwy. 299 W19.5 mi. e of Douglas City. 1463 Comment
  JEPS18878  Collinsia torreyi var. latifolia George W. Gillett 1957-7-1 618 Shasta between Old Emigrant Trail and the Park Hwy, ca 100 yds n of Hwy and e of margin of Chaos Jumbles Noble Pass; Lassen Volcanic National Park 1877 Comment
  CHSC4528  Collomia grandiflora J. E. Bowlin 1967-7-18 76 Shasta On roadside, ca. 13.8 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CHSC88773  Collomia grandiflora R. Fischer 2004-7-2 288 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located near junction of Spatter Cone Trail and Fishawk Trail. 1036 Comment
  CHSC99784  Collomia grandiflora Lowell Ahart; John Dittes 2008-6-19 14847 Shasta Around scattered oak trees about 50 yards east of the Pit River, about 100 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills. 993 Comment
  CHSC9246  Collomia heterophylla G. Strausbaugh 1970-7-19 133 Shasta Left side of dirt road to Shasta Bally between road and Boulder Creek ca. 3.5 mi. east of summit. 457 Comment
  CHSC45345  Collomia larsenii Vernon Oswald 1988-8-14 3688 Shasta Lassen Volcanic National Park, along the trail near the summit of Lassen Peak. 3145 Comment
  UC333667 Image available Collomia larsenii J. G. Lemmon Sep. 1874 Shasta summit, Sierra v<a?>l. La<?>sen's Peak; Lapen's(?) Peak, Sierra Co. 3182 Comment
  CAS-BOT-BC180412  Comandra umbellata subsp. californica Alice Eastwood 1912-6-29 1026 Shasta Goose Valley Comment
  CHSC92995  Comandra umbellata subsp. californica R. Fischer 2005-4-15 643 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Collected on a slope between Horr Pond and Crystal Springs. 1011 Comment
  HSC39208  Comandra umbellata subsp. californica J. P. Smith, J. O. Sawyer 1976-5-9 8711 Shasta Whiskeytown National Recreational Area. Comment
  HSC71904  Comandra umbellata subsp. californica Thomas W. Nelson, Jane Nelson 1980-6-22 5825 Shasta Shasta-Trinity National Forest, junction of FS Rd. 41 and FS Rd. 28N08 1220 Comment
  UCD113209  Comarum palustre S. Galen Smith; Malcolm A. Nobs, Herbert L. Mason 1949-5-29 752 Shasta Fall River Mills. Comment
  CHSC61976  Convolvulus arvensis Vernon H. Oswald 1993-9-7 5928 Shasta Lassen Volcanic National Park. Borrow pit and highway service area on the E side of Lost Creek, S end of Anklin Mdws., between Hot Rock and Old Boundary Spring. At the S end of the area. 1889 Comment
  HSC46132  Corallorhiza maculata J. P. Smith 1976-5-22 8802 Shasta French Gulch-Carrville Rd. 1220 Comment
  UC725310  Corallorhiza maculata A. A. Heller 1940-5-28 15686 Shasta On US Hwy 299 2 mi e Hatchet Summit Comment
  UCD138900  Corallorhiza striata R. V. Parke 1954-5-15 112 Shasta off Highway 44, near Shingletown. 1219 Comment
  JEPS6744  Cordylanthus pilosus subsp. hansenii W. R. Spivey 1954-10 106 Shasta about 20 air-line mi ene Redding (somewhat off and s of U.S. 299); Oak Run 609 Comment
  JEPS74927  Cordylanthus pilosus subsp. hansenii T. I. and F. M. Chuang 1975-7-21 7542 Shasta 8.6 mi sw junction with route 44 (along Rt. A-117, on road to Cottonwood) Comment
  UCSB70421  Cordylanthus pilosus subsp. hansenii Heckard, L. 1971-8-28 Shasta Along route 299, 1.8 miles west of French Gulf junction (17 miles west of Redding) 548 Comment
  JEPS57506  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-14 2129 A Shasta 2 mi e of junction with road to Inwood (along Highway 44, around Northern ines Motel) 975 Comment
  JEPS60489  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6740 Shasta 4.5 mi n Pollard Flat (Highway 5) Comment
  JEPS66438  Cordylanthus tenuis subsp. viscidus L. R. Heckard and P. Rubtzoff 1971-8-3 2700 Shasta 1/4 mi w Dana road Junction (along U. S. Highway 89) 1219 Comment
  JEPS74928  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7543 Shasta e of junction with Inwood-Whitmore road (along route 44) 914 Comment
  CAS-BOT-BC287174  Coreopsis tinctoria A. A. Heller 1914-8-30 11752 Shasta 5 miles S of Redding along the railroad Comment
  UC21520  Cornus nuttallii M. S. Baker and Frank Nutting 1894-5-24 Shasta Hatchet Creek Mts. Comment
  CAS-BOT-BC212047  Cornus nuttallii E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  POM172670  Cornus nuttallii Franklin P. Nutting 1894-5-24 s.n. Shasta Hatchet Creek Mts. Comment
  SEINET8083552  Cornus nuttallii R. Adamson, M. Martin 1964-1 s.n. Shasta 6 mi. W of Round Mountain 610 Comment
  CAS-BOT-BC212153  Cornus sericea F. Almeda; R. Eisenhardt 1995-5-29 7405 Shasta Willow Creek Ranch about 6.8 miles south of the intersection of Calif. State Rd. #89 and Squaw Valley Rd. in McCloud 883 Comment
  CHSC88758  Cornus sericea subsp. sericea R. Fischer; J. Marr 2004-5-28 273 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located along Lava Springs Trail between Crystal Springs and Ya-She. 1013 Comment
  CAS-BOT-BC210556  Cornus sessilis Elmer I. Applegate 1929-6-23 5833 Shasta Ingot Comment
  CAS-BOT-BC419724  Cornus sessilis Julie Kierstead Nelson; Martin Lenz 2014-6-3 2014 -064 Shasta Claiborne Creek watershed, tributary to McCloud River ca. 8 miles north of Shasta Lake. At bridge over creek along Road 35N18. 554 Comment
  UC1035066  Corylus californica Roxana S. Ferris 1955-7-11 12961 Shasta Hatchet Creek Public Camp, US 299, W slope Hatchet Mt. grade 1188 Comment
  RSA0049693  Crataegus castlegarensis Dean Wm. Taylor 2013-9-6 21412 Shasta Hat Creek at Highway 299, on the western bank of the creek ca. 200 meters upstream from the highway bridge 845 Comment
  RSA1892  Crataegus castlegarensis Carl B. Wolf 1930-10-19 1749 Shasta Along the Fall River near Dana. 1220 Comment
  RSA27175  Crataegus castlegarensis C. Leo Hitchcock 1940-5-24 6558 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  HSC2217  Crepis acuminata C. L. Hitchcock 1940-5-24 6543 Shasta Hat Creek, 20 mi. W of Fall River Mills Comment
  JEPS112820  Crepis acuminata Dean W. Taylor 1974-6-13 3697 Shasta Cascade Mountains; Hwy 89 at crossing of Pit River, at Lake Briton 914 Comment
  CAS-BOT-BC290537  Crepis capillaris H. D. Ripley; R. C. Barneby 1948-7-6 9646 a Shasta Castle Rock 640 Comment
  UC580319  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-16 2388 Shasta w Fall River Mills; Saddle Mt. Comment
  UC34304  Crepis monticola W. C. Blasdale 1896-6-14 Shasta French Gulch Comment
  UC581309  Crepis monticola G. L. Stebbins Jr. and J. A. Jenkins 1937-7-16 2383 Shasta slopes of mt. w Fall River Mills; Saddle Mt. Comment
  JEPS28741  Crepis occidentalis George W. Gillett 1957-8-10 1023 Shasta saddle between Ski Heil and Pilot Pinnacle (e exposure); Lassen Volcanic National Park 2636 Comment
  UC581302  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2382 Shasta crest and s-facing slope of river terrace 1/2 mi ne Fall River Mills 1000 Comment
  UC581301  Crepis occidentalis subsp. costata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-16 2402 Shasta 2 1/2 mi n Burney (on road to Mt. Shasta) 1060 Comment
  CHSC118547  Crepis occidentalis subsp. occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21399 -A Shasta Along poor dirt road extending from end of Mackey's Cove Road to northeast shore of Fall River Lake, about 0.5 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. 1008 Comment
  POM230954  Crepis occidentalis subsp. pumila G. Ledyard Stebbins, J. A. Jenkins 1937-7-16 2405 Shasta Two miles north of Burney, on highway to Mt. Shasta. 1067 Comment
  RSA565030  Crocidium multicaule D. W. Taylor 1992-3-16 12331 Shasta Fall River Valley, ca. 0.5 mile north along PG&E gas pipeline from the westernmost end of Brown Road. 1006 Comment
  JEPS118712  Crucianella angustifolia Julie Kierstead Nelson 2010-6-3 2010 -011 Shasta Gilman Road, 1/2 mile north of Hirz Bay turnoff, McCloud arm Shasta Lake. Minnesota Mountain 7.5' Quad. Comment
  UCD59921  Crypsis schoenoides Beecher Crampton 1964-8-26 7184 Shasta Castle Crag, Sacramento River. Comment
  CHSC33165  Cryptantha crinita J. D. Jokerst; J. D. Prouty 1981-5-22 1325 Shasta W. bank of Stillwater Creek ca 1/3 mi north of Old 44 Rd (just N of Highway 44). Comment
  CHSC33774  Cryptantha crinita J. D. Prouty 1981-6-2 1179 Shasta Ca. 7 mi e of Cottonwood. 175 Comment
  CHSC36505  Cryptantha crinita J. D. Prouty 1982-5-28 1300 Shasta Ca. 7 mi e of Cottonwood. 175 Comment
  SBBG63658  Cryptantha crinita M. S. Baker 1900-4-29 Shasta Stillwater Crk Comment
  UC1576754  Cryptantha crinita Dean W. Taylor 1988-5-2 9596 Shasta 0.2 mi downstream Twin Bridges on Dersch Road; Sacramento Valley, Millville Plains, Dry Creek 140 Comment
  UC762469  Cryptantha flaccida R. F. Hoover 1937-5-19 2282 Shasta 5 mi from Redding (on old Alturas road, Salmon Creek bridge); Salmon Creek Comment
  UCD35720  Cryptantha flaccida Beecher Crampton 1960-6-16 5673 Shasta 1.5 miles north of Fall River Mills. 1066 Comment
  JEPS25549  Cryptantha intermedia Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-29 7173 Shasta above O'Briens Landing (McCloud Arm of Shasta Lake); Shasta Lake 381 Comment
  SEINET7042846  Cryptantha intermedia A. G. Vestal 1955-5-13 s.n. Shasta Old alluvium Ca. 7.5 miles southwest of Redding. Redding quadrangle UTM Zone 10, 544246mE, 4485681mN. Comment
  SJSU11377  Cryptantha intermedia R. E. Palmer 1969-5-18 66 Shasta by Hwy 5 between Redding & Shasta L Comment
  UC1558193  Cryptantha simulans Harold and Virginia Bailey 1948-8-26 2818 Shasta Manzanita Lake Lassen Volcanic National Park 1781 Comment
  CHSC66323  Cryptantha torreyana V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallsheer 1996-7-1 7917 Shasta High North Coast Ranges. Deer Lick Knob Rd. (Forest Route 1) 5.3 mi (odometer) N of Hwy. 36 (via Harrison Gulch Rd.), NW of Platina. 1249 Comment
  UCD37449  Cryptantha torreyana Beecher Crampton 1960-6-16 5637 Shasta Shasta County, 5-9 miles south of Fall River Mills, Bureau of Land Management land. 1158 Comment
  JEPS104925  Cryptogramma cascadensis Dean W. Taylor 1993-7-9 13823 b Shasta Trinity Mountains; Gray Rocks; ca. 10 air miles WSW of Dunsmuir 2072 Comment
  CAS-BOT-BC85641  Cupressus bakeri W. W. Wagener; G. A. Zentmyer 1938-7-9 9433 Shasta Burney Srpings 1463 Comment
  CAS-BOT-BC85648  Cupressus bakeri Oliver V. Matthews 1939-7-24 45 Shasta W. of Forest Service Road to & just N. of Cypress Camp. Mt. Lassen National Forest. Mt. Diablo Mdn. 1645 Comment
  NY743506  Cupressus bakeri J. Silba 2005-8-30 B- 571 Shasta Lassen national Forest, along Road 34N-60, ca. 1.5 miles N of Cypress Trailhead. West of Eiler Gulch, near Thousand Lakes Wilderness. 1561 Comment
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Jul 31 2015
  RSA352342  Cupressus bakeri C. B. Wolf 1941-7-25 11067 Shasta 0.5 miles SW if Cypress Campground, about 3 miles S of Hat Creek Ranger Station to Burney Spring Road 1524 Comment
  CAS-BOT-BC80731  Cupressus macnabiana Jim Griffin 1963-2-16 709 -719 Shasta About 1/2 mile east of Shasta County Road A-17 [Ash Creek Road], ca. 3 mi. east of junction with the Dersch Road, near 487 Comment
  JEPS39748  Cupressus macnabiana Benjamin Macomber 1908-2-1 Shasta Whiskeytown Comment
  JEPS46563  Cupressus macnabiana Benjamin Macomber 1908-1-1 Shasta Whiskeytown Comment
  RSA212252  Cupressus macnabiana C. B. Wolf 1931-8-31 2383 Shasta 1 mile outside of Whiskeytown on the road to Redding 305 Comment
  UC1250274  Cupressus macnabiana Jim Griffin 1963-2-16 709 -719 Shasta About 1/2 mi E of Shasta County Rd A-17 (Ash Creek Rd), ca. 3 mi E of jct with the Dersch Road, near PG&E powerline right-of-way; 15 air mi E of Anderson 487 Comment
  UC527736  Cupressus macnabiana C. B. Wolf 1931-8-31 2383 Shasta on road to Redding one mi out of Whiskeytown Comment
  CAS-BOT-BC80738  Cupressus macnabiana Beryl O. Schreiber 1934-6-7 1155 Shasta roadside; 5 miles west of Redding, Weaverville to Redding Road Comment
  POM128188  Cupressus macnabiana W. R. Dudley 1899-8-19 s.n. Shasta 4.5 miles west of Shasta P.O. Comment
  SEINET10966024  Cupressus macnabiana Elmer I. Applegate 1932-4-14 Applegate 7057 Shasta Whiskeytown Comment
  JEPS90813  Cuscuta howelliana Dean W. Taylor 1988-8-8 10026 Shasta between Goose Valley and Burney Valley 3.5 mi nnw from Burney (Modoc Plateau); Modoc Plateau 975 Comment
  OBI55552  Cuscuta indecora David J. Keil, Kathleen Keil 1992-7-24 23578 Shasta 12.2 mi E of Siskiyou County line along hwy 89 Comment
  UC1731522  Cuscuta indecora Dean Wm. Taylor, Glenn L. Clifton 1987-8-5 9216 Shasta along Highway 89 0.7 mi s of Burney Falls State Park (in dry bed of Burney Creek, extreme ne portion of county); Highway 89 1341 Comment
  JEPS28583  Cycladenia humilis var. humilis George W. Gillett 1957-7-12 731 Shasta slopes of Crescent Crater lassen Volcanic Nat'l Park, Crescent Crater 2286 Comment
  UC1036249  Cycladenia humilis var. humilis George W. Gillett 1952-7-15 75 Shasta s. side of lower Twin Lake; Lassen Volcanic Nat'l Park, lower Twin Lake 2011 Comment
  CDA13038  Cynoglossum occidentale G. F. Hrusa, T. D. Wilfred 1996-6-1 12966 Shasta Lassen National Forest; Along USFS S16 approx. 2 mile N of Hwy 44 intersection. Comment
  SEINET178231  Cynoglossum occidentale M. E. Jones 1897-7-7 Shasta Lassen's Peak 1829 Comment
  UC32400  Cynoglossum occidentale W. C. Blasdale 1896-6-14 Shasta French Gulch Comment
  SEINET10551590  Cyperus Paul Gallian, Billy Joe Cox 1971-6-10 Gallian 704 Shasta 5 miles n of redding on i 5, old field, several grasses, digger pine and Lupinus vallicola Comment
  RSA768470  Cyperus acuminatus Justin M. Wood 2010-9-2 2580 Shasta 0.8 miles N of Ingot along the west side of state highway 299. 346 Comment
  UCD32844  Cyperus bipartitus Beecher Crampton 1964-8-26 7187 Shasta Castle Crag, 3 miles south of Dunsmuir, Sacramento River. 670 Comment
  CAS-BOT-BC114585  Cyperus eragrostis George B. Grant 1902-9-18 s.n. Shasta Redding. Comment
  UC838602  Cyperus strigosus L. E. Smith July 1912 Shasta Kennet Comment
  CAS-BOT-BC465582  Cystopteris fragilis Julie Kierstead Nelson; Len Lindstrand III 2015-4-22 2015 -023 Shasta Near summit of Tombstone Mountain, eastern Klamath Range, E of I-5 1654 Comment
  UC57285  Cystopteris fragilis H. M. Hall and E. B. Babcock June, 1903 4267 Shasta Hat Creek Sierra Nevada Mts, e Shasta Co., Hat Creek 1341 Comment
  UCD148881  Cystopteris fragilis Ellen Dean; L. Huiet, A. Smith, J. Smith and M. Lenz 2014-5-14 8196 Shasta North side of Lake Shasta. McCloud River Arm. Along Gilman Rd, just W of intersection with Old Mill Rd, where Fall Creek intersects Gilman Rd (goes under road through culvert). 372 Comment
  CAS-BOT-BC445544  Damasonium californicum Ellsworth Bethel 1923-6-12 s.n. Shasta Burney Comment
  UC501560  Danthonia californica var. americana Frank W. Peirson 1932-7-13 10107 Shasta s Burney; 1000-Lake Basin 1950 Comment
  UCD60867  Danthonia californica var. americana Beecher Crampton 1969-6-19 8480 Shasta Castle Crag, r. r. siding, 3 miles south of Dunsmuir. 670 Comment
  POM365005  Danthonia unispicata Christopher Davidson 1975-6-4 2644 Shasta Hwy 89, 10 mi No. of junction with Hwy 299. 915 Comment
  UC1558246  Danthonia unispicata Harold and Virginia Bailey 1948-8-25 2981 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC76224  Darlingtonia californica Lena E. Bowley 1911-8-1 s.n. Shasta Castle Crags. Comment
  CAS-BOT-BC420654  Darmera peltata Alice Eastwood 1912-7-24 1380 Shasta Castella Comment
  RSA44058  Datisca glomerata A. A. Heller 1905-5-31 7917 Shasta Near Redding; along the Sacramento [River] near Middle Creek Station. Comment
  SEINET3450677  Daucus pusillus Lowell Ahart, John Dittes 2003-5-22 10200 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, north side of the small water ditch, east of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 air miles west/southwestof Darah Springs State Fish Hatchery 250 Comment
  UC1553385  Deinandra lobbii G. Schoolcraft 1968-8-2 1846 Shasta about 2 mi w Popcorn Cave; Susanville 1097 Comment
  RSA565091  Delphinium decorum subsp. tracyi D. W. Taylor 1993-5-22 13467 Shasta Ca. 2 miles N of Slate Mountain, Trinity Mountains, (watershed divide between Sacramento River and Trinity River drainages, ca. 5 air miles W Lamoine). 1448 Comment
  UC1537324  Delphinium decorum subsp. tracyi Gordon H. True 1938-5-24 953 Shasta between Widow Valley and Fall River Valley 1219 Comment
  HSC49788  Delphinium depauperatum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9830 Shasta Deer Lick Springs Rd. about 2 mi. from its junction with State Route 36 915 Comment
  HSC85744  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1982-5-8 10376 Shasta Tom Green Mine Rd., 3.2 mi. from its junction with French Gulch Rd. 854 Comment
  CAS-BOT-BC8783  Delphinium gracilentum f. versicolor Gordon H. True 1938-5-22 953 Shasta Between Widow and Fall River Valleys Comment
  CHSC35775  Delphinium nudicaule Colleen D. Harvey 1982-4-9 17 Shasta Ca. 2 mi w of Whiskeytown Public Launch Ramp on the n bank of the service road paralleling Whiskey Creek, ca. 7.7 mi nw of Shasta. NW central portion of the quad. 454 Comment
  JEPS90894  Delphinium nudicaule Dean W. Taylor 1993-5-26 13511 Shasta 3 mi ne of Burney (just e of Goose Valley, along unnamed tributary to Goose Creek, Burney Valley, Modoc Plateau); Modoc Plateau, Burney Valley 1005 Comment
  CAS-BOT-BC9877  Delphinium nudicaule D. E. Breedlove 1962-6-11 3389 Shasta On east side of Burney Falls, Burney Falls State Park, Cascade Range 914 Comment
  CAS-BOT-BC116132  Delphinium nuttallianum Alice Eastwood 1912-6-29 714 Shasta Goose Valley Comment
  HSC45608  Delphinium patens Diane L. Reed 1978-5-13 83 Shasta Beegum Gorge Rd. and Hwy. 36 762 Comment
  HSC48490  Delphinium patens J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9675 Shasta County Rd. A16, 7 mi. from junction with Hwy. 36 671 Comment
  CAS-BOT-BC83033  Dendromecon rigida W. R. Ernst 1959-8-8 280 Shasta 0.6 mile south of the Slate Creek Bridge along Highway 99. Comment
  UC1126350  Dendromecon rigida P. L. Johannsen 1932-5-25 80 Shasta Salt Creek Redding Quadrangle 335 Comment
  UCR138737  Dendromecon rigida J. Marshall, J. Savage, L. Allison 1997-4-12 21 Shasta Roadcut slope above Hwy 299, directly across from parking lot 305 Comment
  CAS-BOT-BC83026  Dendromecon rigida E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station. Comment
  CAS-BOT-BC192452  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-8-9 1008 Shasta East fork of Hat Creek, near Summit Lake Ranger Station 2026 Comment
  RSA86707  Deschampsia cespitosa subsp. cespitosa F. W. Peirson 1932-7-12 10106 Shasta Thousand-Lake Basin. 1951 Comment
  CAS-BOT-BC201632  Deschampsia danthonioides Alice Eastwood 1912-6-29 961 Shasta Goose Valley Comment
  HSC100239  Deschampsia danthonioides J. P. Smith 2010-6-9 12906 Shasta 1417 Comment
  HSC100241  Deschampsia danthonioides J. P. Smith 2010-6-10 12913 Shasta Along Archie Brown Road, W of McArthur 1006 Comment
  UC1738920  Deschampsia danthonioides Dean W. Taylor 1988-4-13 9517 Shasta Olinda, 5.3 miles W of Cottonwood on Gas Point Road 166 Comment
  SEINET4566865  Deschampsia danthonioides A. A. Heller 1905-5-26 7855 Shasta Near Redding Comment
  UC1738918  Deschampsia elongata Dean Wm. Taylor and Ingrid Olmsted 1975-8-24 5415 Shasta Lassen National Forest, Thousand Lakes Wilderness, Magee Peak and vicinity 2179 Comment
  UC817083  Deschampsia elongata Alice Eastwood Jun 29 1912-Jul 11 1912 920 Shasta Goose Valley Comment
  UCD18884  Descurainia pinnata Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-9 192 Shasta from intersection of Hwy 299, take Day Rd. 6 mi. north and 1 mi. west on fire roads, Day Road site. Comment
  CHSC93061  Descurainia sophia R. Fischer 2005-4-14 514 Shasta McArthur. Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plant collected off Hwy. 299 at the Pit River Vista west of Fall River Mills. 1219 Comment
  CAS-BOT-BC388465  Dianthus deltoides Clarence R. Quick 1962-7-12 62 -74 Shasta Bosworth Meadow, 5 - 6 miles south of Pondosa, and about 3.5 miles west of highway 89 Comment
  JEPS118114  Dianthus deltoides subsp. deltoides Dean Wm. Taylor, Tom Engstrom 2005-6-3 19335 Shasta southerly edge of Haynes Flat (ca 3 air miles W of Burney) 996 Comment
  UCD33545  Dicentra formosa Beecher Crampton 1969-6-19 8482 Shasta Castle Crag (rr. siding) 3 miles south of Dunsmuir. 670 Comment
  CAS-BOT-BC402463  Dicentra formosa subsp. formosa F. Almeda; R. Eisenhardt 1995-5-29 7430 Shasta Willow Creek Ranch about 6.8 miles south of the intersection of Calif. State Rd. #89 and Squaw Valley Rd. in McCloud 883 Comment
  RSA433578  Dicentra formosa subsp. formosa Unspecified s.n. Shasta Mt. Lassen Comment
  RSA52145  Dicentra formosa subsp. formosa Rodney Gregg 1948-5-27 s.n. Shasta Shasta Dam Comment
  JEPS105137  Dicentra pauciflora Dean W. Taylor 1993-7-9 13817 Shasta Trinity Mountains; Gray Rocks; ca. 10 air miles WSW of Dunsmuir 2072 Comment
  CAS-BOT-BC402591  Dicentra uniflora John Thomas Howell 1961-6-20 36569 Shasta Lassen Volcanic National Park. South slope of Diamond Peak 2255 Comment
  POM97791  Dicentra uniflora Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  JEPS87076  Dichanthelium acuminatum subsp. fasciculatum J. Kierstead 1991-6-7 91 -61 Shasta w side of Shasta Lake (accessible by boat, not road) along old road bed leading to Golinsky Mine, Shasta Lake Ranger District, Shasta-Trinity National Forest Shasta Lake; Shasta-Trinity National Forest, Shasta Lake Ranger District 457 Comment
  SEINET242313 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7169 a Shasta Lassen NP ; head of Little Hot Springs Valley, slopes below Pilot Pinnacle 2469 Comment
  CAS-BOT-BC500975  Dichelostemma capitatum Mrs. H. C. Cantelow 1939-6-10 s.n. Shasta 17 miles south of McCloud Comment
  CAS-BOT-BC502184  Dichelostemma ida-maia L. E. Smith 1913-5-16 263 Shasta McCloud river near Pitt Comment
  CHSC9309  Dichelostemma multiflorum G. Strausbaugh 1970-5-24 68 Shasta Ca. 15 ft. above the water's edge on w bank of first cove west of Brandy Creek Swimming Area. 370 Comment
  CHSC93303  Dichelostemma multiflorum R. Fischer 2005-7-16 552 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected from upper east side of Spatter Cone Trail. 1054 Comment
  UC144624  Dichelostemma multiflorum A. A. Heller 1905-5-26 7862 Shasta near Redding Comment
  UCR206002  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2009-6-10 14934 Shasta Southern Cascade Range, Alvord Road, 0.2 mile south of its junction with CA-44, junction is 1.1 miles east of Shingletown 938 Comment
  CAS-BOT-BC502654  Dichelostemma multiflorum A. A. Heller 1905-5-26 7862 Shasta Near Redding Comment
  SEINET8476755  Dichelostemma multiflorum A. A. Heller 1905-5-26 7862 Shasta Near Redding. Comment
  SEINET3885679  Dichelostemma pulchellum J. P. Smith, J. O. Sawyer; Thomas W. Nelson 1978-4-8 9628 Shasta Trinity National Forest. Road above Beegum Gorge Campground.; 0 Comment
  SEINET10533951  Dichelostemma pulchellum R. C. Stone 1896-1 Stone s.n. 1896 Shasta Comment
  CDA20222  Diodia virginiana E. Finley 2003-9-1 PDR 1035526 Shasta Northern California; 6395 Leonard Rd./St., Redding. 0 Comment
  CAS-BOT-BC153789  Diplacus angustatus Alice Eastwood; John Thomas Howell 1934-4-21 1812 Shasta Charlie Creek Comment
  CAS-BOT-BC151262  Diplacus torreyi Alice Eastwood 1912-8-22 s.n. Shasta Trail from Morgans Springs to Lassen Butte Comment
  CHSC68727  Diplacus tricolor Vernon H. Oswald 1997-5-20 8471 Shasta BLM Wilderness Study Area south of Fall River Mills on Bald Mtn. Rd., 1.5 mi east of Cassel-Fall River Rd., west edge of lava beds. 1082 Comment
  CAS-BOT-BC151324  Diplacus tricolor Alice Eastwood; John Thomas Howell 1940-6-11 7956 Shasta Near McArthur Comment
  JEPS117847  Disporum hookeri Julie Kierstead Nelson 2006-6-16 2006 -29 Shasta Girard Lookout, 2 miles southwest of Castle Crags 1463 Comment
  JEPS117869  Disporum hookeri Julie Kierstead Nelson 2006-6-16 2006 -24 Shasta Girard Lookout, 2 miles southwest of Castle Crags 1463 Comment
  CHSC88750  Distichlis spicata R. Fischer; J. Marr 2004-5-28 265 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located at mdw. edge, next to Horr Pond. Boat takeout for Camp 7. 1007 Comment
  CAS-BOT-BC136077  Dodecatheon alpinum Roxana S. Ferris; Laura Lorraine 1941-8-10 10458 Shasta Lassen National Park, upper meadows of Kings Creek 2240 Comment
  UC54426  Dodecatheon alpinum H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4301 Shasta Soupan Springs Mount Lassen, Soupan Springs 2438 Comment
  CHSC110799  Dodecatheon hendersonii Dean Wm. Taylor 2013-4-25 21337 Shasta Cascade Ranges. Magee Peak vicinity: Cornaz Lake Road (Forest Road 26) about 1.5 miles up from (traveling west) Highway 89. 1188 Comment
  SEINET10972619  Downingia bacigalupii Mary Merello 1993-6-26 Merello 737 Shasta Shasta-Trinity National Forest. Disturbed, dry, open pine-oak woodlands along Hwy. 89, N of the Hwy. 299-89 intersection, banks of vernal pool. 950 Comment
  UCD37464  Downingia bacigalupii Beecher Crampton 1960-6-16 5669 Shasta Shasta County, 1.5 miles north of Fall River Mills. 1066 Comment
  CHSC84112  Downingia cuspidata Lowell Ahart; John Dittes 2003-5-12 10142 Shasta In a vernal pool, pasture field, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC96270  Downingia cuspidata R. Fischer 2006-5-10 942 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the east side of Rat Farm Road (between ALSSP and McArthur) ca. 1 mile south of the boat launch. Plants growing in vernal pool adjacent road. 1011 Comment
  UC1019320  Downingia cuspidata J. W. Blankinship 1911-5-12 Shasta Redding Comment
  JEPS108506  Downingia cuspidata Lisa Schultheis 1995-6-9 206 -95 Shasta Millville Plains Rd. and Honey Lane, off of Rt. 44 E of Redding. Comment
  UC766283  Downingia cuspidata R. F. Hoover 1937-5-19 2264 Shasta 4 mi n Anderson Comment
  CDA10969  Downingia elegans G. F. Hrusa 1991-6-25 8455 Shasta Pit River Drainage; Upper Lake Britton, Sand Pit road, approx. 3 m. E of Hat Creek crossing on Hwy 299. Comment
  UC726430  Downingia montana A. A. Heller 1941-5-30 16155 Shasta 3 mi ne Redding Comment
  CHSC88753  Downingia pulcherrima R. Fischer; J. Marr 2004-5-22 268 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Found in vernal pools on grazing land of the old McArthur Swamp. Located off access rd. to ALSSP between McArthur and Rat Farm. 1010 Comment
  CAS-BOT-BC41963  Draba albertina John Thomas Howell 1961-6-20 36560 Shasta Lassen Volcanic National Park. Dersch Meadows. 1981 Comment
  CHSC48329  Draba albertina Vernon Oswald 1986-7-20 2210 Shasta Paradise Meadow, Lassen Volcanic National Park. On the w side of the meadow. 2145 Comment
  CAS-BOT-BC238340  Draba aureola Hans Leschke 1954-7-4 s.n. Shasta Summit of Mt. Lassen 3169 Comment
  UC338667  Draba aureola unknown Shasta Lassens Peak Comment
  SEINET3155748  Draperia systyla R. W. Spjut 1971-5-14 1883 Shasta Turn Table Road, 1.25 miles N of Bridge Bay turnoff at Shasta Lake. Comment
  SJSU500  Drymocallis glandulosa G. Witherspoon 1940-6-23 2083 Shasta Hat L, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC159429  Drymocallis glandulosa var. glandulosa A. A. Heller 1905-5-30 7904 Shasta About two miles northeast of Redding Comment
  HSC45446  Drymocallis glandulosa var. reflexa M. Alcasas 1978-5-14 84 Shasta Basin Gulch Campground, 1.5 mi. from Hwy. 36, beside camp 861 Comment
  UC1036294  Drymocallis lactea var. austiniae George W. Gillett 1952-7-29 137 Shasta above lake near trail to Paradise Meadow; Lassen Volcanic National Park, vicinity of Hat Lake 2103 Comment
  CAS-BOT-BC159324  Drymocallis lactea var. lactea Alice Eastwood 1912-8-22 1876 Shasta Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC113496  Eleocharis bella Lewis Samuel Rose 1951-9-2 51174 Shasta Lassen Volcanic National Park, Manzanita Lake. Comment
  UCD49744  Eleocharis macrostachya P. B. Kennedy 1927-6-15 26 Shasta Pit-River, Loasely Pool. Comment
  CHSC8770  Elodea canadensis S. Chulasmai 1966-4-30 14 Shasta Hat Creek River. Comment
  CHSC92974  Elymus caput-medusae R. Fischer 2005-5-23 486 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. On meadow north of McArthur along Rat Farm Road. Near the old McArthur Swamp lands. 1013 Comment
  HSC100052  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2010-5-8 12849 Shasta Along County Rd. A16 (Ono to Platina Rd.) 462 Comment
  CHSC93215  Elymus cinereus R. Fischer 2005-7-17 519 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Along the west shore of Big Lake in meadow. 1010 Comment
  UCD61532  Elymus elymoides R. Tofsrud 1949-5-30 Shasta Oregon Oaks. Comment
  UC1558241  Elymus elymoides subsp. elymoides Harold and Virginia Bailey 1948-8-25 3002 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC105058  Elymus glaucus R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-6-20 881 Shasta Castle Crags State Park. Along Castle Creek Road, 1.5 road miles from Interstate 5 exit. NE side of road, across from 655 Comment
  UC1543770  Elymus glaucus Harold and Virginia Bailey 1948-8-27 2912 a Shasta near crossing of Badger Flat Road; Lassen Volcanic National Park, Hat Creek 1920 Comment
  UCR132407  Elymus glaucus subsp. jepsonii Beecher Crampton 1956-8-20 3780 Shasta Shasta National Forest, Castle Crag, along Southern Pacific Railroad 640 Comment
  CAS-BOT-BC392229  Enemion stipitatum Ellsworth Bethel 1923-4-20 s.n. Shasta Burney Comment
  HSC103549  Epilobium densiflorum Thomas W. Nelson 2005-5-22 9312 Shasta Milville Plains on west side of Milville Plains Rd., 0.7 mi. from junction with Dersch Rd. 150 Comment
  CHSC63072  Epilobium foliosum Vernon H. Oswald; Lowell Ahart 1994-4-27 6129 Shasta Bailey Cove Trail, on the W side of the McCloud River Arm of Shasta Lake, ca. 1.0 mi E (clockwise) of the trailhead. 335 Comment
  HSC85753  Epilobium foliosum J. P. Smith, J. O. Sawyer 1982-5-9 10390 Shasta Lewiston Turnpike, 0.5 mi. from its junction with Hwy. 299 610 Comment
  JEPS28570  Epilobium hornemannii subsp. hornemannii George W. Gillett 1957-7-11 710 Shasta on Chaos Crags trail 1/4 mi above Manzanita Creek (near rivulet); Lassen Volcanic National Park 1889 Comment
  CDA13018  Epilobium minutum G. F. Hrusa, T. D. Wilfred 1996-6-1 12948 Shasta Lassen National Forest; near Forest Boundary on Hwy 44 approx 2 m. W of Hwy 89 intersection. Comment
  HSC71852  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5841 Shasta Along FS road 1 mi. W of Regan Meadow 1524 Comment
  HSC71918  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5810 Shasta Along Rd. 28N07 just E of Jct. with Rd. 41 1220 Comment
  UCD80487  Epilobium pallidum CNPS SN Foothill Team 2006-5-15 SNFN 0305 b Shasta Shasta Land Trust Easement, in the central eastern portion of the Cow Creek Ranch, 50 m southwest of the Lion's Flat Road on the ridge. 461 Comment
  RSA3804  Epilobium pallidum A. A. Heller 1927-5-28 14395 Shasta Shasta County: 2 miles NE of Redding Comment
  UCD50256  Epilobium saximontanum Christopher Hammersmark 2004-7-1 s.n. Shasta Bear Creek Meadow, meadow/flood plain very close to the headquarters of the Fall River in the northwest corner of the Fall River Valley in the northeastern corner of Shasta County. 1005 Comment
  SEINET232550 Image available Equisetum hyemale A. G. Jones 1986-8-25 7261 Shasta Along Hwy 89 Hat Creek area near Old Honn Homestead 1400 Comment
  UC1544792  Equisetum hyemale subsp. affine Almut G. Jones 1986-8-25 7261 Shasta Hat Creek area near Old Honn Homestead (along Hwy. 89); Hat Creek area 1400 Comment
  RSA554578  Equisetum telmateia var. braunii W. Wisura 1993-5-9 4896 Shasta Hwy 299, 24 miles W of Redding. Comment
  UCD62998  Eragrostis curvula Walter R. Spivey 1955-6-1 Shasta 10 miles northeast of Redding. Comment
  UCD63094  Eragrostis curvula Beecher Crampton 1969-6-19 8485 Shasta 5 miles south of Pollard Flat, Interstate Highway. 5 Southbound. 365 Comment
  HSC9786  Eragrostis mexicana subsp. virescens D. E. Anderson 1962-8-5 2292 Shasta Lower Salt Creek Campground, along Hwy. 99 Comment
  CAS-BOT-BC286676  Ericameria bloomeri Lewis S. Rose 1945-9-1 45184 Shasta Lassen Volcanic National Park. Manzanita Lake 1783 Comment
  CAS-BOT-BC286678  Ericameria bloomeri Roxana S. Ferris; Laura Lorraine 1941-8-10 10486 Shasta State Highway #89 between Hat Creek Post Office and Shasta National Forest junction of U. S. 299 Comment
  JEPS83572  Ericameria bloomeri Dean W. Taylor 1987-8-5 9230 Shasta between Pit River and McCloud River (on watershed divide); Stouts Meadow 1645 Comment
  JEPS89551  Ericameria bloomeri Dean Wm. Taylor with Roy Buck 1988-8-8 10030 Shasta Red Mt. Big Bend 15' Quad. (680A), Pit R. Watershed, Red Mt. 1737 Comment
  RSA34825  Ericameria bloomeri Roxana S. Ferris, Laura Lorraine 1941-8-10 10486 Shasta State Hwy. 89 between Hat Creek Post Office and Shasta National Forest junction of U. S. 299 Comment
  UC1118668  Ericameria bloomeri H. A. Jensen 1934-10-9 387 Shasta mouth of w fk. Hat Creek; Dixie Quad., Hat Creek 1950 Comment
  LA82947  Ericameria greenei O. H. Kappler; 1949-7-27 2001 Shasta Laseen Park, along road from N 1523 Comment
  UC1576750  Ericameria greenei Dean Wm. Taylor with Roy Buck 1988-8-8 10031 Shasta Red Mountain Pit River Watershed, , Big Bend Quadrangle (non-forested ridgetop, Big Bend 15 ft Quadrangle [680A]) 1737 Comment
  CAS-BOT-BC299446  Ericameria nauseosa var. speciosa George W. Gillett 1957-9-11 1140 Shasta Chaos Jumbles between Table Mountain and highway, Lassen Volcanic National Park 1798 Comment
  CAS-BOT-BC299448  Ericameria nauseosa var. speciosa George W. Gillett 1957-8-15 1077 Shasta North saddle of rim of Crescent Crater, Lassen Volcanic National Park 2438 Comment
  CHSC30227  Ericameria ophitidis M. S. Taylor 1980-8-14 3244 Shasta Ridge, ca. 50 ft n of 28N68, 0.1 mi e of its jct with 29N28 at Brushy Mt. 1524 Comment
  HSC72256  Ericameria ophitidis Thomas W. Nelson, Jane P. Nelson 1980-8-21 6279 Shasta Shasta-Trinity National Forest, along forest service road, 1 mi. W of Regan Meadow. 1524 Comment
  JEPS89807  Ericameria parryi var. latior Dean W. Taylor 1990-8-21 11469 Shasta Clark Creek along a minor unnamed tributary in Section 14, The Cascades Clark Creek; The Cascades, Clark Creek 1402 Comment
  CAS-BOT-BC293376  Erigeron acris var. kamtschaticus M. A. Showers 1980-8-17 2002 mas Shasta On north and nw-facing slopes of Bumpass Mt., Lassen Volcanic National Park 2651 Comment
  CHSC96257  Erigeron canadensis R. Fischer 2006-7-23 918 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the (Scirpus covered) shore line of a conic depression pond near the lower and western edge of Big Lake. 1008 Comment
  CAS-BOT-BC300375  Erigeron eatonii var. plantagineus Alice Eastwood 1912-7-11 1010 Shasta Goose Valley Comment
  UC54108  Erigeron eatonii var. plantagineus H. M. Hall and E. B. Babcock June, 1903 4163 Shasta meadows near Bear Flat (ne Shasta Co.); Sierra Nevada Mts. 1280 Comment
  CAS-BOT-BC300428  Erigeron elegantulus George W. Gillett 1957-8-4 978 Shasta Lassen Volcanic National Park. Just east of Lily Pond Trail, se. of Lily Pond 1783 Comment
  CAS-BOT-BC300698  Erigeron glacialis var. glacialis F. J. Hermann 1931-6-21 2429 1/2 Shasta Lassen Volcanic National Park. Upper King's Creek Meadow 2225 Comment
  CDA4956  Erigeron inornatus T. C. Fuller 1963-7-15 10885 Shasta Southeast corner of Highway 299 to Fall River Mills & Highway south to Cassel, 7.5 miles east of Burney. 0 Comment
  JEPS122365  Erigeron inornatus Joseph Broberg, Jaycee Leonard 2012-8-16 CA 320 -126 Shasta From Alturas head Southwest on Highway 299 towards Falls River Mills. Turn left onto Cassel Fall River road and continue 3.2 miles to Cinder Cone rd. Follow Cinder Cone until it you reach a recently burned and logged area. Collection is of road to Lion's Reservoir Comment
  CHSC92953  Erigeron inornatus var. inornatus L. P. Janeway 2005-8-27 8518 Shasta Modoc Plateau. 10.1 km northeast of Burney; 0.7 km southeast of Hwy 299, 0.2 km northeast of Cassel Road. 943 Comment
  RSA0094222  Erigeron inornatus var. inornatus Jim M. Andre, Tasha La Doux, Senna Andre, Elias Andre 2013-7-12 31403 Shasta Along north side of Hwy 89 at Pondosa Rd exit, Little Bear Flat, approx. 25 mi. east of McCloud, approx. 20 mi. north of Burney, just south of Siskiyou Co. line. 1236 Comment
  CHSC118355  Erigeron lassenianus var. lassenianus Dean Wm. Taylor 2015-6-18 21551 Shasta Bunchgrass Valley (ca. 10 air miles WNW of summit Mt. Lassen), Lassen National Forest, Forest Road 16 near the junction with Forest Road 32N24 1590 Comment
  RSA302622  Erigeron peregrinus subsp. callianthemus J. R. Shevock 1972-7-25 2211 Shasta Kings Meadow, Lassen Peak Comment
  CAS-BOT-BC300081  Erigeron philadelphicus C. L. Hitchcock 1940-5-24 6545 Shasta On Hat Creek, ca. 20 miles west of Falls River Mills Comment
  RSA768473  Erigeron strigosus Justin M. Wood 2010-9-2 2584 Shasta City of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge. 143 Comment
  CDA4638  Erigeron strigosus B. Stroup Jun 1947 Shasta 0 Comment
  CHSC9218  Eriodictyon californicum G. Strausbaugh 1970-4-18 29 Shasta NW side Kennedy Memorial Hwy. ca. 5 mi. nw of Whiskeytown Dam. 374 Comment
  HSC84178  Eriodictyon californicum J. P. Smith, Thomas W. Nelson 1982-5-15 10435 Shasta Lewiston Turnpike along Sawpit Gulch, 2.5 mi. from its junction with Hwy. 299 671 Comment
  RSA89370  Eriodictyon californicum E. K. Balls, P. C. Everett 1953-10-14 18664 Shasta 9.1 mi E of Trinity-Shasta county line, Hwy 299, between Weaverville and Redding. 396 Comment
  CAS-BOT-BC376359  Eriogonum Greg de Nevers 2001-7-25 12617 Shasta Ahjumawi State Park. 914 Comment
  HSC48466  Eriogonum compositum var. compositum J. P. Smith 1978-5-14 9919 Shasta Rd. A16 14.5 mi. SW of Ono Comment
  RSA530127  Eriogonum congdonii D. W. Taylor 1987-8-5 9237 Shasta Grizzly Peak, extreme northeastern portion of county (watershed divide between Pit and McCloud rivers). 1890 Comment
  CAS-BOT-BC259544  Eriogonum luteolum var. luteolum L. R. Abrams 1922-8-8 9927 Shasta 5 miles south of Baird Comment
  HSC40174  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1976-8-1 3127 Shasta Lassen Volcanic National Park, Lassen Rd. at Kings Creek Meadow Comment
  UC485731  Eriogonum marifolium H. F. Copeland 1931-8-9 Shasta Mt. Lassen 2438 Comment
  CAS-BOT-BC263317  Eriogonum marifolium var. marifolium Lewis S. Rose 1945-9-4 45239 Shasta Summit Lassen Peak Highway 2590 Comment
  SEINET7064410  Eriogonum nudum var. nudum A. G. Vestal 1955-5-13 s.n. Shasta Old alluvium. Ca. 7.5 miles southwest of Redding. (NAD83/WGS84). UTM Zone 10, 544138mE, 4485869mN. 256 Comment
  POM188368A  Eriogonum nudum var. oblongifolium Marcus E. Jones 1931-7-16 28854 Shasta Pitt River Bridge. Comment
  CHSC9215  Eriogonum nudum var. pubiflorum G. Strausbaugh 1970-6-21 121 Shasta Buckhorn Bally near summit ca. 4 mi. from U.S. Hwy. 299W 19.5 mi. e of Douglas City. 1463 Comment
  SD104473  Eriogonum nudum var. pubiflorum Reid Moran 1978-6-24 26072 Shasta east slope above Little Roaring Creek, roadbank 750 Comment
  UC849764  Eriogonum nudum var. pubiflorum A. A. Heller 1915-7-14 12076 Shasta about 15 mi s Delta (near Butters Ranch on the Pacific Highway) Comment
  CAS-BOT-BC268625  Eriogonum spergulinum var. reddingianum Noel H. Holmgren; James L. Reveal 1966-7-19 2902 Shasta Lassen Volcanic National Park, Lassen Park road, 7 miles in from northwest entrance, 1.8 miles northwest of Devasted Area stop 1950 Comment
  POM105811  Eriogonum spergulinum var. reddingianum Marcus E. Jones 1897-7-8 s.n. Shasta Lassen Peak. 1829 Comment
  UC1228164  Eriogonum sphaerocephalum var. halimioides Beecher Crampton 1960-6-16 5674 Shasta 1.5 mi n Fall River Mills 1066 Comment
  UC849741  Eriogonum sphaerocephalum var. halimioides Alice Eastwood 1912-7-13 1053 Shasta Pitt River Canyon Comment
  CHSC82694  Eriogonum ternatum L. P. Janeway 2001-7-8 7285 Shasta Klamath Ranges. Un-named spring along Rd 29N39 3.1 km west of Rd 28N10; about 6.8 km north-northwest of Pony Buck Peak; head of North Fork Beegum Creek. 1340 Comment
  CAS-BOT-BC267512  Eriogonum umbellatum Alice Eastwood 1912-7-24 1375 Shasta Castella Comment
  UC478899  Eriogonum umbellatum var. dumosum Marcus E. Jones, A. M. 1931-7-16 28853 Shasta Pitt River bridge Comment
  JEPS28577  Eriogonum umbellatum var. modocense George W. Gillett 1957-7-11 722 Shasta above Crater Lake; Lassen Volcanic National Park, Chaos Crags 2072 Comment
  CHSC88795  Eriogonum umbellatum var. nevadense R. Fischer 2004-7-7 300 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located near Spatter Cone Trail, w. side of trail loop at middle crossing. 1042 Comment
  UCD101494  Eriogonum umbellatum var. polyanthum Beecher Crampton 1960-6-16 5654 Shasta NE part of county; Glenburn. 1066 Comment
  SBBG1652  Eriogonum ursinum H. and M. Dearing 1938-6-27 2165 Shasta Hat Crk Comment
  CAS-BOT-BC262281  Eriogonum ursinum George W. Gillett 1957-8-8 1002 Shasta Lassen Volcanic National Park. Chaos Jumbles, between Emmigrant [Emigrant] Trail and highway 1844 Comment
  RSA113332  Eriogonum ursinum E. K. Balls, Lee W. Lenz 1956-6-19 21822 Shasta 2.9 mi. se. from Hat Creek Ranger Station along State Hwy. 89. 1037 Comment
  UC1561088  Eriogonum ursinum var. ursinum Dean Wm. Taylor with Roy Buck 1987-6-4 8986 Shasta summit of Mushroom Rock Pit River Drainage, Big Bend USGS 15' quadrangle, 680A 1889 Comment
  CAS-BOT-BC264151  Eriogonum vimineum Clarence R. Quick 1965-7-10 65 -11 Shasta Long Valley Plantation, N end of Long Valley, N of Burney Comment
  CDA22695  Eriogonum vimineum F. Stewart 1960-7-21 Shasta Burney area. 0 Comment
  CAS-BOT-BC267643  Eriogonum wrightii var. trachygonum Alice Eastwood 1912-7-26 1478 Shasta Pitt Comment
  UC398657  Eriogonum wrightii var. trachygonum A. A. Heller 1927-9-10 14471 Shasta along upper Sacramento River at Redding Valley of the Upper Sacramento Comment
  CAS-BOT-BC267639  Eriogonum wrightii var. trachygonum John H. Tollett 1973-9-14 s.n. Shasta Across Cottonwood Creek from town of Cottonwood Comment
  LA207143  Eriogonum wrightii var. trachygonum A. A. Heller; 1927-9-10 14471 Shasta upper Sacramento River, at Redding, California Comment
  CAS-BOT-BC301087  Eriophyllum lanatum var. achilleoides C. L. Hitchcock 1940-5-20 6490 Shasta 25 miles east of Redding Comment
  UC1484470  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 129 Shasta 4.7 mi w of Round Mountain (town) (on Hwy 299,(Redding-Round Mountain Road), 3.9 mi w of Buzzard Roost Road); Hwy 299 Comment
  CAS-BOT-BC301092  Eriophyllum lanatum var. achilleoides Ellsworth Bethel 1923-5-12 s.n. Shasta Fall River Mills Comment
  UC896326  Eriophyllum lanatum var. achilleoides C. L. Hitchcock 1940-5-23 6523 Shasta 5 mi e of Burney Falls Comment
  CHSC65622  Eriophyllum lanatum var. grandiflorum L. P. Janeway 1995-7-8 4842 Shasta 1.0 mi straight south of Coyote Peak; 1.0 mi southwest of the western end of Iron Canyon Reservoir. 960 Comment
  POM53931  Eriophyllum lanatum var. grandiflorum H. M. Hall 1903-06 4005 Shasta Pitt River Canyon Comment
  UC896357  Eriophyllum lanatum var. grandiflorum Alice Eastwood Jun 29 1912-Jul 11 1912 825 Shasta Goose Valley Comment
  CAS-BOT-BC301426  Eriophyllum lanatum var. grandiflorum L. Constance 1933-6-21 E 91 Shasta 3 miles north of Redding Comment
  CAS-BOT-BC301428  Eriophyllum lanatum var. grandiflorum Margaret M. Hanna 1958-6-20 s.n. Shasta Near highway north of Dunsmuir Comment
  SACT000005  Eriophyllum lanatum var. lanceolatum Shannon Datwyler, Merrill Roseberry 2008-6-24 Shasta Plants both along roadside and along Castle Creek; Site for pollination ecology study and population level sampling of Penstemon subsect. Heterophylli Comment
  JEPS16994  Eryngium articulatum W. L. Jepson 1914-8-10 5756 Shasta Upper Fall River Valley 1036 Comment
  CAS-BOT-BC54558  Erysimum capitatum C. L. Hitchcock 1940-5-23 6515 Shasta Ca. 0.25 mile south of Burney Falls. Comment
  CHSC49000  Erythranthe lewisii Vernon Oswald 1986-7-28 2247 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2286 Comment
  SEINET198557 Image available Erythranthe lewisii George W. Gillett 1953-1 325 Shasta Lassen Volcanic National Park ; Vicinity of Kings Creek Falls. 2164 Comment
  CHSC9241  Erythranthe microphylla G. Strausbaugh 1970-7-19 135 Shasta Beside Boulder Creek where crosses dirt road ca. 3 mi. east of summit of Shasta Bally. 457 Comment
  JEPS123484  Erythranthe taylorii Len Lindstrand III with Sarah Tona and Julie Kierstead Nelson 2014-4-9 s.n. Shasta North of Ellery Creek. Slope above (west of) Gilman Road, approximately 0.20 mile north of the Ellery Creek confluence with Lake Shasta. Bollibokka Mountain 7.5' USGS quadrangle. Comment
  CHSC112951  Erythranthe taylorii Len Lindstrand III 2014-4-17 Shasta Low Pass Narrows at Gray Rocks, Low Pass Creek, approximately 3/4 mi. north of Devils Rock, approximately 1/4-mi. east from terminus of Low Pass Jeep Trail (unmarked road from USFS road 35N02). 548 Comment
  CAS-BOT-BC501124  Erythronium californicum Elmer I. Applegate 1932-4-13 7045 Shasta 3 miles west of Begum on Red Bluff-Eureka Road Comment
  SEINET12044934  Erythronium californicum E. I. Applegate 1932-1 7045 Shasta 3 mi W of Begum, on Red Bluff-Redding road Comment
  UC1036268  Erythronium purpurascens George W. Gillett 1952-7-13 63 Shasta vicinity of Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC726229  Erythronium purpurascens A. A. Heller 1941-8-11 16282 Shasta gravelly slope near head of Little Hot Springs Valley; Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC504365  Erythronium purpurascens Hans Leschke 1955-7-15 s.n. Shasta Cold Boiling Lake, Lassen Volcanic National Park 2257 Comment
  CAS-BOT-BC504371  Erythronium purpurascens Milo S. Baker 1935-6-25 8108 Shasta Mt. Lassen Highway 1828 Comment
  CAS-BOT-BC402839  Eschscholzia caespitosa Kevin White; Eric Gundershaug; Dave Johnson 1994-4-11 0040 Shasta 4.4 miles SW of Rainbow Cr. Rd. on Rd A16 450 Comment
  CAS-BOT-BC402843  Eschscholzia caespitosa Alice Eastwood; John Thomas Howell 1934-4-21 1820 Shasta Pollock's Store Comment
  CHSC59995  Eschscholzia californica Lorna K. Lilly 1989-4-17 8 Shasta Ca., 0.3 mi w of Dry Creek, 2.8 mi e of Redding, 5.9 mi s of Bella Vista. Roadside open area within valley grassland. 137 Comment
  UC144484  Eschscholzia californica A. A. Heller 1905-5-30 7903 Shasta near Redding Comment
  CAS-BOT-BC403669  Eschscholzia californica Elmer I. Applegate 1929-6-23 5859 Shasta Burney Comment
  CHSC89633  Eschscholzia californica subsp. californica R. Fischer; J. Marr 2004-8-15 370 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located N end Big Lake E side. On mdw. More obs. near Ya-She campsites. 1011 Comment
  CAS-BOT-BC419549  Eschscholzia lobbii A. A. Heller 1905-5-30 s.n. Shasta Near Redding Comment
  CHSC4042  Eschscholzia lobbii Sadie Gualtieri 1967-3-26 Shasta 1/5 mile W. Bear Creek on S. side hiway 44 to Lassen Park, E. from Redding. Comment
  UC719219  Eschscholzia lobbii F. G. Meyer 1938-4-4 1335 Shasta in meadows 17 mi n Red Bluff Comment
  CAS-BOT-BC310389  Eucephalus breweri Hans Leschke 1958-8-16 1549 Shasta Lassen Volcanic National Park. Grassy Swales 1965 Comment
  UC894597  Eucephalus breweri E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Lassen Volcanic National Park 2286 Comment
  CDA13037  Euphorbia crenulata G. F. Hrusa, T. D. Wilfred 1996-6-1 12968 Shasta Lassen National Forest; Along USFS S16 approx. 1 mile N of Hwy 44 intersection. Comment
  UC1036263  Euphorbia crenulata George W. Gillett 1952-6-28 50 Shasta near Big Springs (on Hat Creek, along State Hwy 89, ne of Lassen Volcanic National Park); Lassen National Forest 1402 Comment
  OBI77206  Euphorbia crenulata Anthony Baniaga 2011-7-18 453 Shasta Lassen NF. 1-1.4 mi ESE of Signal Butte. Swains Hole quad T32N R6E sec 9 NE of SW 1700 Comment
  RSA436009  Euphorbia crenulata E. E. Stanford 1930-6-15 1557 Shasta About 10 miles south of Dunsmuir. Comment
  RSA569474  Euphorbia crenulata H. C. Cantelow 1940-5-31 s.n. Shasta Prospect Lookout road, near Day's Old Station, off Highway 89. Comment
  RSA70551  Euphorbia crenulata F. W. Peirson 1932-7-9 10277 Shasta Burney Spring. 1433 Comment
  CAS-BOT-BC312163  Eurybia radulina Marian L. Campbell 1921-7-26 s.n. Shasta Castle Crags Comment
  CAS-BOT-BC310656  Euthamia occidentalis Alice Eastwood 1912-7-26 1475 Shasta Pitt river bed Comment
  RSA768478  Euthamia occidentalis Justin M. Wood 2010-9-2 2586 Shasta City of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge. 143 Comment
  SEINET6794888 Image available Festuca George K. Helmkamp, E. A. Helmkamp 2009-1 15028 Shasta Southern Cascade Range; Water Leaf Lane (apparently very new, short spur), 0.2 mile south of CA-44 junction 1.2 miles west of Shingletown. 992 Comment
  CAS-BOT-BC278717  Festuca idahoensis David D. Keck 1944-7-10 5467 Shasta 2 miles W. of Platina, on Middle Fork of Cottonwood Creek, inside east boundary of Trinity National Forest 883 Comment
  HSC9979  Festuca occidentalis C. L. Hitchcock 1940-5-20 6475 Shasta 25 mi. E of Redding Comment
  UCD66137  Festuca occidentalis G. F. Hrusa; T. D. Wilfred 1996-6-10 13001 Shasta Lassen National Forest. NW side of HWY 44, 1 m. SW of USFS N12 to Twin Bridges. 1550 Comment
  SEINET192026 Image available Festuca rubra C. L. Hitchcock 1940-5-20 6475 Shasta Foothills of mountains 25 mi E of Redding Comment
  CDA13020  Festuca trachyphylla G. F. Hrusa, T. D. Wilfred 1996-6-1 12950 Shasta Lassen National Forest; Opening in Arctostaphylos patula chaparral approx 1/4 m. E of Hwy 44 intersection, on USFS S17, near crossing of Manzanita Creek. Soil sandy. Bunchgrass. Common. Comment
  HSC100045  Frangula californica J. P. Smith, & J. O. Sawyer 2010-5-7 12834 Shasta Shasta-Trinity National Forest. Rd. S of Sims Flat Guard Station on 37N16. 521 Comment
  CAS-BOT-BC53407  Frangula californica subsp. occidentalis L. R. Abrams 1922-8-7 9924 Shasta Mears Creek near Castella Comment
  UCD112754  Frangula californica subsp. occidentalis Carl B. Wolf 1934-7-7 6033 Shasta west side of Sacramento River, just south of Castle Creek. 609 Comment
  CAS-BOT-BC53892  Frangula californica subsp. tomentella Doris K. Kildale 1927-7-3 3668 Shasta Between Old Shasta & Redding Comment
  CAS-BOT-BC59590  Frangula rubra subsp. rubra Alice Eastwood 1912-7-24 1392 Shasta Castella Comment
  SEINET4089969  Frangula rubra subsp. rubra C. Davidson 1975-1 2716 Shasta Roughly 20 miles east of Redding on Highway 44; on edge of unused but fairly new access road off Highway 44. 640 Comment
  CAS-BOT-BC223565  Fraxinus latifolia S. Matthews; M. Goering; R. James 1985-5-12 117 Shasta County road A16 about 2.5 miles east of Platina 579 Comment
  CAS-BOT-BC223571  Fraxinus latifolia John Thomas Howell 1934-7-4 12417 Shasta 3 miles sw. of Fall River Mills Comment
  UC144396  Fraxinus latifolia A. A. Heller 1905-6-3 7956 Shasta near Middle Creek Station Comment
  UCD112384  Fritillaria Christopher Mallek 2008-5-8 AC3- 14 Shasta Ash Creek. 876 Comment
  JEPS100640  Fritillaria affinis Dean W. Taylor 1992-4-16 13358 Shasta 0.5 mi E of Midway (Shingle Creek, ca. 0.2 mi W of PG&E natural gas pipeline) 670 Comment
  UCD123150  Fritillaria atropurpurea Ellen Dean; K. Mawdsley, M. Starbuck,M. Luzan Anzola, P. Berry 2012-6-24 7401 Shasta Along Hwy 44, ca. 10 miles E of Shingletown. North and south sides of road. 1225 Comment
  CAS-BOT-BC504583  Fritillaria atropurpurea Alice Eastwood 1912-6-29 854 Shasta Goose Valley Comment
  JEPS123395  Fritillaria eastwoodiae Sarah Tona 2015-3-19 8 Shasta West of Donkey Mine, 0.3 miles west of Dunkey Mine, 0.6 miles east of Little Cow Creek. Oak Run, 7.5' Q. Comment
  JEPS91031  Fritillaria recurva Dean Wm. Taylor with James R. Shevock 1993-5-1 13401 Shasta Cascade Ranges, Shasta Lake Region, s end of Gray Rocks, Squaw Creek watershed Gray Rocks; Cascade Ranges, Shasta Lake Region, Gray Rocks 853 Comment
  CAS-BOT-BC504459  Fritillaria recurva Miss E. Cannon 1895-6-17 s.n. Shasta Shasta Comment
  CAS-BOT-BC504462  Fritillaria recurva Barbara Shervanick 1974-5-9 1296 Shasta Highway 89 through Lassen National Forest, about 1/2 mile north of Bridge Campground, Cascade Range 1371 Comment
  UCR206570  Gaillardia aristata George K. Helmkamp, E. A. Helmkamp 2009-6-13 14987 Shasta Southern Cascade Range, Wilson Hill Road, 0.7 mile south of its junction with CA-44 in Shingletown 1088 Comment
  CHSC93225  Galium bolanderi R. Fischer 2005-7-15 591 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. On back side (western edge) Ja-She Pond. 1008 Comment
  JEPS18604  Galium bolanderi Rimo Bacigalupi with L. R. Heckard 1957-8-17 6056 Shasta forested flats 7 mi above and s Big Bend; drainage of Little Roaring Creek 883 Comment
  RSA768310  Galium bolanderi Justin M. Wood 2010-9-2 2531 Shasta Round Mountain: Southeast face of Round Mtn: +/- 1.0 mile northwest of general store (highway 299), just southeast of communication towers on peak. 995 Comment
  UC888788  Galium bolanderi Alice Eastwood 1912-7-26 1460 Shasta Pitt to Kennet Comment
  SD46661  Galium bolanderi E. K. Balls, L. W. Lenz 1956-6-18 21814 Shasta crossroads about Burney Falls (jct. State Hwy. 89 and U.S. Hwy. 299) 1006 Comment
  SEINET10869771  Galium bolanderi Mary Susan Taylor 1980-6-10 Taylor 2794 A Shasta T37N R4W sc sec 20 & nc sec 29. Dunsmuir quad. Sims Flat Road, between Sims Flat Campground and Sims Lookout turn, Shasta Natl. Forest, ca. 2 mi S of Intrst. 5, ca. 6 mi SW of Sweetbriar (or Castella). 853 Comment
  RSA758209  Galium californicum subsp. californicum Doug Goldman 2005-7-20 3558 Shasta To the W. side of Gibson Road, about 0.9 mi N. of the intersection with Bonville Springs Road, about 0.1 mi W. of Interstate 5 and around 0.8 air-miles S. of Shiloah Mineral Springs. 537 Comment
  JEPS28584  Galium grayanum George W. Gillett 1957-7-12 733 Shasta rocky outcrops on e slope Crescent Crater; Lassen Volcanic National Park 2286 Comment
  SEINET6095149  Galium oreganum Kenneth Heil, Heil, Marilyn 2014-7-16 35228 B Shasta Lassen National Forest. State Highway 44 ca 2.5 miles from the junction with State Highway 89, Lassen National Park Highway. Comment
  CHSC65816  Galium parisiense L. P. Janeway 1995-6-17 4793 Shasta Backbone Ridge; along Backbone Ridge Road 2.5 mi west of Dry Creek Road. 420 Comment
  SEINET7040281  Galium parisiense A. G. Vestal 1963-6-4 s. n. Shasta In Art. Chaparral south of Redding,east side of the Sacramento River. Enterprise Quadrangle UTM Zone 10, 554289mE, 4486128mN. Comment
  CHSC9180  Galium porrigens var. tenue G. Strausbaugh 1970-3-22 17 Shasta N bank Whiskey Creek ca. 10 ft. above water's edge ca 25 yds. N of culvert where inlets into lake. 371 Comment
  CHSC65834  Galium sparsiflorum subsp. glabrius L. P. Janeway 1995-6-18 4794 Shasta Along Elmers Way 300 ft north of Hwy 44, 0.5 mi east of Road A17. 495 Comment
  UC1561058  Galium sparsiflorum subsp. glabrius Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-9 9041 Shasta ca. 2.5 air mi nw Fenders Ferry crossing of river; Pit River Canyon, Blue Jay Mountain 548 Comment
  UCR206341  Galium sparsiflorum subsp. glabrius George K. Helmkamp, E. A. Helmkamp 2009-6-14 15027 Shasta Southern Cascade Range, Water Leaf Lane (apparently very new, short spur), 0.2 mile south of CA-44 junction 1.2 miles west of Shingletown 992 Comment
  UC876013  Garrya fremontii Alice Eastwood 1912-7-26 1485 Shasta Kennet Comment
  UCD66564  Gastridium phleoides A. A. Beetle 1942-5-20 3334 Shasta 4 miles W of Ono. Mendel South Experimental Plot. Comment
  JEPS69271  Gastridium ventricosum J. W. Blankinship 1911-5-29 Shasta Olinda Comment
  UC818192  Gastridium ventricosum C. L. Hitchcock 1940-5-17 6472 Shasta 3 mi e Redding 152 Comment
  CDA13510  Gayophytum heterozygum G. F. Hrusa, T. D. Wilfred 1996-7-22 13336 Shasta Lassen National Forest; About 4-5 miles S of Old Station. Comment
  UC23448  Gilia capitata subsp. capitata M. S. Baker and Frank Nutting 1894-5-26 Shasta Goose Valley Comment
  UC879892  Gilia capitata subsp. capitata C. L. Hitchcock 1940-5-24 6537 Shasta ca 20 mi w Fall River Mills (on Hat Creek); , w of Fall River Mills Comment
  UC932012  Gilia leptalea Verne Grant, Alva Grant 1947-7-13 8020 Shasta on highway 299, 1 mi w Hatchet Creek Summut; w of Hatchet Creek summit Comment
  CAS-BOT-BC123841  Gilia tenuisecta Amos Arthur Heller 1905-5-30 7898 Shasta Near Redding Comment
  NY336901  Gilia tenuisecta A. A. Heller 1905-5-30 7898 Shasta Near Redding Comment
  CAS-BOT-BC266521  Githopsis diffusa Alice Eastwood 1912-6-27 625 Shasta Montgomery Creek Comment
  SEINET10460583  Githopsis pulchella subsp. campestris Johannsen 1932-6-3 JOHANNSEN s.n. Shasta South side of Dry Clover Creek. T32N R1W Sec. 18 366 Comment
  HSC44653  Githopsis specularioides J. P. Smith, J. O. Sawyer 1976-5-9 8725 Shasta Whiskeytown National Recreational Area, Oak Bottom Campground. Comment
  SEINET7073561  Githopsis specularioides A. G. Vestal 1955-5-19 s.n. Shasta About 16.8 miles east of Redding on Route 299. UTM Zone 10, 574060mE, 4504395mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC283861  Glyceria borealis Malcom A. Nobs; Herbert L. Mason; S. Galen Smith 1949-5-29 750 Shasta Marsh between Hat Creek and Pitt River bridge, Highway 299 Comment
  CAS-BOT-BC283867  Glyceria borealis Hans Leschke 1959-8-2 1587 Shasta Lassen Volcanic National Park. Manzanita Lake 1784 Comment
  JEPS28293  Glyceria borealis George W. Gillett 1957-8-4 974 Shasta Lily Pond Lassen Volcanic National Park, Manzanita Lake (in Manzanita Lake area) 1783 Comment
  RSA692608  Glyceria borealis D. W. Taylor 1996-6-16 15680 Shasta Shasta county: boggy meadow in Flat Woods, on east rim Pit Rivcer Canyon (about 3 air miles southeast of Big Bend); Shasta-Trinity National Forests; T36N R1E NW1/4 of NE1/4, Section 17; 716 Comment
  UCD66734  Glyceria fluitans W. W. Mackie 1930-6-24 Shasta Cassel. Comment
  JEPS28565  Gnaphalium palustre George W. Gillett 1957-7-9 699 Shasta about 2 mi s of Big Springs (confluence of Hat Creek and Lost Creek n of Park); Lassen Volcanic National Park 1524 Comment
  CAS-BOT-BC307468  Gnaphalium palustre John Thomas Howell 1960-7-21 35836 Shasta NW of Willow Lake, Lassen Volcanic National Park 1676 Comment
  SEINET6037926  Goodyera oblongifolia Kenneth Heil, Heil, Kenneth 2014-7-16 35238 Shasta Lassen National Forest. Ca .9 miles west of North Battle Creek Reservoir. Collections along creek. Comment
  JEPS28515  Gratiola ebracteata George W. Gillett 1957-7-1 631 Shasta summit of Table Mtn.; Lassen Volcanic National Park, summit of Table Mtn. 2011 Comment
  SEINET7067189  Gratiola ebracteata A. G. Vestal 1947-5-2 s.n. Shasta About 4.9 miles east on Route 44 and 0.2 miles south on Airport Road. Coordinate datum: NAD27. Comment
  RSA235919  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-19 2068 Shasta Lassen Volcanic National Park, above Sulfur Works. 2073 Comment
  UC78797  Hackelia nervosa Mrs. R. M. Austin July 1896 359 Shasta Lassens Peak; Kings Valley Comment
  CHSC68793  Harmonia doris-nilesiae Vernon Oswald 1997-6-7 8548 Shasta Southwest of Platina on Stuart Gap Rd. (FR 41), 0.6 mi south of FR 29N41, 5.3 mi south of Hwy. 36. Roadcut. 932 Comment
  CAS-BOT-BC504590  Hastingsia alba Marian L. Campbell 1921-7-26 s.n. Shasta Near Castella Comment
  RSA768474  Helenium puberulum Justin M. Wood 2010-9-2 2585 Shasta City of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge. 143 Comment
  JEPS33589  Helianthella californica subsp. californica Blankinship 1911-5-11 Shasta w Anderson; Olinda Comment
  CAS-BOT-BC314806  Helianthella californica var. nevadensis Ella Dales Cantelow 1940-5-30 3084 Shasta 5.4 mi. E. of Burney Comment
  RSA72651  Helianthella californica var. nevadensis F. W. Peirson 1932-7-16 10301 Shasta On trail to Thousand-Lake Basin. 1524 Comment
  RSA72652  Helianthella californica var. nevadensis F. W. Peirson 1926-6-23 6834 Shasta Lower portion of trail to summit of Lassen Peak. Lassen National Park. Comment
  CAS-BOT-BC314829  Helianthella californica var. shastensis F. Almeda; R. Eisenhardt 1995-5-29 7436 Shasta Willow Creek Ranch about 6.8 miles south of the intersection of Calif. State Rd. #89 and Squaw Valley Rd. in McCloud 883 Comment
  CAS-BOT-BC314835  Helianthella californica var. shastensis Alice Eastwood 1912-6-30 753 Shasta Goose Valley Comment
  RSA79073  Helianthella californica var. shastensis E. K. Balls, Lee W. Lenz 1952-5-13 17238 Shasta 3.4 miles E of Trinity-Shasta county line (Hwy 299) between Douglas City and Redding. 915 Comment
  CAS-BOT-BC305366  Helianthus annuus Barrett Anderson 1986-7-9 3120 Shasta Fall River Valley near McArthur along Hwy 299 1005 Comment
  SD64431  Helianthus bolanderi Darley F. Howe 1966-8-28 Shasta 5.0 miles north of Highway 299 on Highway 89 975 Comment
  CHSC88765  Heliotropium curassavicum R. Fischer 2004-7-6 280 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located at edge of depression lake w. of lower Big Lake. 1007 Comment
  HSC68200  Hemizonella minima J. P. Smith, J. O. Sawyer 1975-6-23 8297 Shasta Buckhorn Bally, 3.5 mi. S of Hwy. 299 at Buckhorn Summit on road to Bully Choop 1524 Comment
  UC480995  Hemizonella minima Franklin P. Nutting Shasta Goose Valley Comment
  UC830850  Hemizonella minima C. L. Hitchcock 1940-5-23 6525 Shasta 0.50 mi above Burney Falls Comment
  SEINET10842087  Hemizonella minima Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-5-25 Morris 267 Shasta Collected at the junction of Hwy. 299 and 89 on Hwy. 89, in an area of yellow pine and oak. Comment
  CDA20189  Hemizonia fitchii M. Conover 2003-7-31 PDR 1282948 Shasta Northern California; Redding Municipal Airport. 0 Comment
  RSA21715  Hemizonia fitchii C. B. Wolf 1937-8-8 9075 Shasta Head of Sacramento Valley. 6 miles N of Redding. 244 Comment
  POM203069  Hemizonia lobbii J. T. Howell 1934-7-5 12426 Shasta 4 miles SW of Fall River Mills. Comment
  JEPS88161  Herniaria hirsuta subsp. hirsuta V. H. Oswald, Lowell Ahart and Robin Ondricek-Fallsheer 1996-7-1 7910 Shasta w. Platina (Harrison Gulch Rd. 2.4 mi. (odometer) n. of Hwy. 36); High N. Coast Ranges 944 Comment
  SD60222  Hesperocyparis macnabiana Elmer I. Applegate 1932-4-14 7057 Shasta Whiskeytown. Comment
  CHSC65644  Hesperolinon micranthum L. P. Janeway 1995-7-2 4824 Shasta North side of Hwy 299 (and Little Cow Creek) 1.25 mi northeast of the Coronado Mine ruins and 1.85 mi northeast of Ingot. 371 Comment
  RSA755747  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2009-6-13 14997 Shasta Wilson Hill Road, 0.7 mile south of its junction with CA-44 in Shingletown 1088 Comment
  CDA28492  Hesperolinon micranthum T. C. Fuller 1963-7-15 10880 Shasta South side of Highway 299 to Fall River Mills, 4.4 miles east of Burney. 0 Comment
  CAS-BOT-BC149826  Heteromeles arbutifolia James McMurphy 1914-6-19 s.n. Shasta 1/2 way from Shasta to Redding Comment
  SEINET188351  Heuchera micrantha C. L. Hitchcock 1940-5-20 6481 Shasta 25 mi E of Redding Comment
  CAS-BOT-BC319658  Hieracium albiflorum Hans Leschke 1959-8-3 1597 Shasta Grassy Swales, Lassen Volcanic National Park Comment
  HSC75067  Hieracium albiflorum J. P. Smith, Thomas W. Nelson 1978-7-23 10063 Shasta Bully Choop Rd., 5.6 mi from its junction with County Rd. A16 1372 Comment
  UC1036285  Hieracium albiflorum George W. Gillett 1952-7-28 114 Shasta one mile above, along highway Hat Lake; Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC319661  Hieracium albiflorum George W. Gillett 1953-7-31 306 Shasta Noble Pass, northeast corner of th park, Lassen Volcanic National Park 1859 Comment
  CAS-BOT-BC319670  Hieracium albiflorum Alice Eastwood 1912-7-3 849 Shasta Goose Valley Comment
  CAS-BOT-BC318533  Hieracium greenei Lewis S. Rose 1945-9-8 45281 Shasta Manzanita Lake 1783 Comment
  UC1558232  Hieracium horridum Harold and Virginia Bailey 1948-8-27 2859 Shasta Devastated area Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC318762  Hieracium horridum Ray Hanson 1954-8-23 s.n. Shasta Lassen Park, near Jaskey Lake 2112 Comment
  UC1927951  Hieracium scouleri David Keil 2004-7-10 30319 Shasta Along California Routes 44/89 southwest of Old Station. Lassen National Forest. Vicinity of 40 37.859'N x 121 28.610'W Comment
  UC1191990  Hippuris vulgaris Malcolm A. Nobs and S. Galen Smith 1949-7-19 1022 Shasta junction of Pit R. and Hat Creek (Hwy. 299) Comment
  POM257057  Holcus lanatus Virginia Long 1931-6-11 86 a Shasta 2 miles N of Anderson. 132 Comment
  UCR168496  Holcus lanatus A. A. Beetle 1941-6-30 2843 Shasta 10 miles northeast of Manzanita Lake, along Hat Creek, Lassen National Forest, '2000 ft.' 1524 Comment
  SEINET10516392  Holcus lanatus Patricia L. Kenney 1973-6-4 Kenney 414 Shasta Pollard Flat Campground in Klamath National Forest off I-5, 21.6 mi S of Dunsmuir. 457 Comment
  CAS-BOT-BC150111  Holodiscus discolor var. discolor Hans Leschke 1956-9-22 s.n. Shasta Lassen Loop Highway, Stop No. 56 Comment
  UCD113372  Holodiscus discolor var. microphyllus Dean Wm. Taylor; Ingrid Olmsted 1975-8-24 s.n. Shasta Lassen National Forest: Thousand Lakes Wilderness, Magee Peak and vicinity. 2438 Comment
  CHSC93026  Holodiscus microphyllus var. glabrescens R. Fischer 2005-7-18 530 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Located at gated entrance to main park road at western end of park. On road easement just west of gate. 1018 Comment
  RSA85218  Horkelia fusca var. brownii F. W. Peirson 1932-7-9 10274 Shasta Below Burney Spring 1433 Comment
  CAS-BOT-BC144000  Horkelia fusca var. tenella David D. Keck; A. Gustafsson 1938-8-9 4893 Shasta Burney Mtn., 1.5 m. E. of Burney Spring on road to Hat Creek Ranger Station 1490 Comment
  CAS-BOT-BC144005  Horkelia fusca var. tenella George W. Gillett 1957-7-3 643 Shasta Badger Flat; meadows near road crossing 1905 Comment
  RSA48590  Horkelia tridentata Philip A. Munz 1949-5-18 13314 Shasta 8 miles S of Dunsmuir. 610 Comment
  RSA85215  Horkelia tridentata F. W. Peirson 1932-7-14 10169 Shasta Thousand Lake Basin. 1951 Comment
  SJSU3758  Horkelia tridentata C. W. Sharsmith 1963-6-9 7052 Shasta 1 mi E of Shingletown 1082 Comment
  SEINET10871274  Horkelia tridentata subsp. tridentata Mary Merello 1993-6-23 Merello 708 Shasta Shasta-Trinity National Forest. Border of Castle Crags State Park. Along roadside, closest city Castella. Open mixed conifer-hardwood woodland near river. 680 Comment
  CAS-BOT-BC206157  Hosackia crassifolia Alice Eastwood 1912-6-29 926 Shasta Goose Valley Comment
  UC1036267  Hydrophyllum occidentale George W. Gillett 1952-7-11 62 Shasta vicinity Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC449889  Hydrophyllum occidentale Milo S. Baker 96 Shasta Bear Valley Mts. 1524 Comment
  CAS-BOT-BC400979  Hypericum anagalloides W. A. Dayton 1913-7-1 378 Shasta Shasta National Forest. Swift Creek Range 792 Comment
  UC1122093  Hypericum concinnum P. L. Johannsen 1932-5-25 81 Shasta Salt Creek Redding; Redding Quad., , Salt Creek 457 Comment
  UC1122094  Hypericum concinnum P. L. Johannsen 1933-6-20 182 Shasta Weaverville Quad., Clear Creek Rd. Comment
  UC1924197  Hypericum perforatum Debra Valov 2005-8-21 2005233 Shasta c. 21 km W of Burney off Hwy 299 1300 Comment
  CAS-BOT-BC401279  Hypericum perforatum John Thomas Howell 1960-8-22 36419 Shasta Near Lassen Volcanic National Park. 5.5 miles west of Park line on road to Viola Comment
  UC898072  Hypochaeris glabra C. L. Hitchcock 1940-5-17 6465 Shasta 3 mi e Redding 152 Comment
  RSA0014264  Hypochaeris radicata Justin M. Wood 2010-9-2 2564 Shasta Northwest face of Round Mtn: +/- 1.2 mile northwest of general store (highway 299), just northwest of communication towers along road leading to the peak. 946 Comment
  CAS-BOT-BC88623  Idahoa scapigera Ellsworth Bethel 1923-4-22 s.n. Shasta Fall River Mills. Comment
  CAS-BOT-BC5564  Iliamna bakeri Milo Samuel Baker 1899-8-17 116 Shasta Fall River Valley, NE Shasta County. Comment
  JEPS3331  Ipomopsis aggregata George Gillett 1952-7-8 61 Shasta 1 mi s Hat Creek Ranger Station (along State Hwy 89, on lave flow); Lassen National Forest Comment
  CDA13527  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, T. D. Wilfred 1996-7-22 13353 Shasta Lassen National Forest; USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. Comment
  RSA71906  Ipomopsis aggregata subsp. formosissima F. W. Peirson 1932-7-13 10203 Shasta Near Big Meadow, Thousand-Lake Basin 1951 Comment
  UC604405  Ipomopsis congesta Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada Comment
  CHSC88353  Iris missouriensis R. Fischer; J. Marr 2004-5-28 237 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge of Modoc Plateau. Located along Lava Springs Trail just west of Crystal Springs. In meadow. 1008 Comment
  POM263706  Iris tenuissima R. C. Foster 1937-5-27 224 Shasta 18 miles northwest of Burney 1220 Comment
  JEPS95359  Iris tenuissima subsp. purdyiformis Vernon H. Oswald and L. Ahart 1994-5-12 6196 Shasta T35N R5W SE1/4 Sec. 29, 1350 ft, Yellow Pine Forest. Sugarloaf Creek Trail ca. 0.6 mi NW of the trailhead located on Lakeshore Dr. (35N08), on the W side of the Sacramento River Arm of Shasta Lake 411 Comment
  RSA84314  Isoetes bolanderi F. W. Peirson 1932-7-16 10102 Shasta Small pond just separated from Lake Eiler, Thousand-Lake Basin. 1951 Comment
  UC42837  Isoetes howellii C. C. Parry 1889-5-1 Shasta Anderson Comment
  SEINET207377 Image available Isoetes howellii R. Bacigalupi, GT Robbins 1959-4-23 7036 Shasta Along Hwy 299 about 2 mi W of Bella Vista 183 Comment
  CAS-BOT-BC61855  Isoetes nuttallii Alice Eastwood; John Thomas Howell 1940-6-10 7897 Shasta Hatchet Mt. Comment
  RSA601322  Isoetes orcuttii L. C. Wheeler 1935-3-31 3395 Shasta 3 miles NE Redding: Between Boulder and Churn Creeks 198 Comment
  SEINET10628574 Image available Ivesia longibracteata Barbara J. Ertter 1986-6-28 Ertter 6451 Shasta Castle Crags SW of Dunsmuir, granodiorite cliffs along Castle Dome trail, above forest of Lithocarpus, Quercus chrysolepis, and Arctostaphylos with white pine & douglas-fir. T38N, R4W, Sec 9. Comment
  CAS-BOT-BC109882  Juncus Roxana S. Ferris; Laura Lorraine 1948-6-16 11869 Shasta 1 mile north of Pollard Gulch on U.S. 99 between Dunsmuir and Redding. Comment
  UC1101047  Juncus bufonius Herbert L. Mason and Verne Grant 1947-7-9 13287 Shasta just e Hatchet Creek summit (Highway 200) 1219 Comment
  RSA48231  Juncus bufonius var. bufonius Roxana S. Ferris, Laura Lorraine 1948-6-16 11869 Shasta 1 mile north of Pollard Gulch on U. S. 99, between Dunsmuir and Redding. Comment
  CHSC106618  Juncus dichotomus Peter F. Zika 2010-6-22 24984 Shasta Inner North Coast Ranges (NCoRI); NE side of Panorama Point Road, 0.2 road miles NW of Lone Tree Road, SE of Anderson. 130 Comment
  SD211491  Juncus digitatus Dean Wm. Taylor 1993-5-25 13498 Shasta Hamp Creek, circa 0.3 miles West of Ponderosa Way; (Hagaman Gulch 7 1/2' USGD quadrangle) Comment
  UCD141460  Juncus digitatus Peter F. Zika; Carol W. Witham 2007-6-4 23015 Shasta near Shingle Creek, about 5 air km WNW of Shingletown (Cascade Range Foothills). 660 Comment
  JEPS63885  Juncus effusus subsp. effusus W. L. Jepson 1940-7-4 20137 Shasta Montgomery Creek. 640 Comment
  CHSC89691  Juncus ensifolius R. Fischer; J. Marr 2004-8-15 365 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located at edge of Ya-She pond. Mdw. 1008 Comment
  CHSC96304  Juncus ensifolius R. Fischer 2006-7-25 884 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected at north end of Ja-She Springs near water edge, a grassy opening. 1007 Comment
  CHSC102217  Juncus howellii Peter F. Zika 2009-8-26 24635 Shasta Klamath Range; Route 25 at 1.5 road miles NE of junction with Route 26 1740 Comment
  UC1149889  Juncus howellii Harold and Virginia Bailey 1948-8-25 2987 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC54500  Juncus mertensianus Vernon H. Oswald 1991-7-29 4772 Shasta Lassen Volcanic National Park. Paradise Meadow located ca. 1.5 miles south of Hat Lake. 2133 Comment
  UCD67867  Juncus mertensianus D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-12 s.n. Shasta Lassen Volcanic National Park. Perennial plant communities near the stream in Forest Lake Creek at Brokeoff Mountain. 2180 Comment
  CHSC96250  Juncus nevadensis R. Fischer 2006-7-22 871 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the moist meadow and water edge of Bowman ditch. The ditch drains a heavy flow of spring water near the western entrance of the park. 1008 Comment
  UC485745  Juncus nevadensis H. F. Copeland 1932-8-15 Shasta Kings Creek Meadow, where the road crosses Mt. Lassen 2225 Comment
  CDA37218  Juncus orthophyllus CDFA Staff s.n. Shasta Lava Creek Lodge, near Eastman Lake. 0 Comment
  JEPS105160  Juncus parryi Dean W. Taylor 1993-7-9 13814 Shasta Trinity Mountains; Gray Rocks; ca. 10 air miles WSW of Dunsmuir 2072 Comment
  RSA25147  Juncus tenuis C. L. Hitchcock 1940-5-17 6455 Shasta 3 miles east of Redding. 152 Comment
  RSA1098  Juniperus occidentalis var. occidentalis E. R. Johnson 1928-8-31 1186 Shasta 10 miles east of Burney Comment
  RSA598410  Juniperus occidentalis var. occidentalis F. C. Vasek 1964-8-7 640807 -7 Shasta California State 89, 13 miles south of the entrance to McArthur - Burney Falls State Park Comment
  CAS-BOT-BC56343  Kalmia microphylla subsp. microphylla John Thomas Howell 1960-8-23 36432 Shasta Emerald Lake 2468 Comment
  CAS-BOT-BC56346  Kalmia microphylla subsp. microphylla Alice Eastwood 1912-8-22 1860 Shasta Lassen Butte region Comment
  CAS-BOT-BC56348  Kalmia microphylla subsp. microphylla Hans Leschke 1955-7-15 s.n. Shasta Kings Creek meadows 2200 Comment
  UC27428  Keckiella corymbosa W. H. Brewer 1862-8-27 1337 Shasta Cottonwood Canyon Comment
  CAS-BOT-BC246178  Keckiella lemmonii Milo S. Baker 1893-6-1 70 Shasta Sacramento Canyon near Dunsmuir Comment
  CHSC9238  Keckiella lemmonii G. Strausbaugh 1970-7-26 143 Shasta S end of Brandy Creek Swimming Area parking lot and just off left side of path to refresh. bldg. amid boulders. 373 Comment
  NY790353  Keckiella lemmonii M. S. Baker 06 1893 s.n. Shasta Sacramento Canon, near Dunsmuir Comment
  UCD123774  Keckiella lemmonii K. M. Meyer; A. Townesmith 2007-7-27 167 Shasta Shasta-Trinity National Forest; 8.2 miles on Gilman Road, exit 698 off (N) 1-5. 349 Comment
  CHSC79572  Kickxia elatine G. F. Hrusa 1996-4-30 12886 Shasta On E side of Sacramento River at corner of Gover Rd. and Sacramento River ~3 m. S of Anderson. 110 Comment
  CDA20554  Kickxia elatine Anon. 2005-6-14 PDR 1292138 Shasta Cascade Range; Palo Cedro. 0 Comment
  UCD85713  Koeleria macrantha A. A. Beetle 1945-5-20 3975 Shasta Hal-Cemb Cemetary on Rt. 299. Comment
  CAS-BOT-BC341365  Lagophylla glandulosa A. A. Heller 1916-7-19 12456 Shasta 5 miles south of Redding Comment
  RSA0058883  Lagophylla ramosissima Lowell A. Ahart, John Dittes 2008-6-19 14857 Shasta About 50 yards east of the Pit River, about 100 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills. 994 Comment
  SBBG26770  Lagophylla ramosissima C. L. Hitchcock 1940-5-25 6584 Shasta below Pit Dam, Power Plant, 2 mi W of Fall River Mills 1341 Comment
  CAS-BOT-BC337944  Lasthenia californica Ellsworth Bethel 1920-5-11 s.n. Shasta Millville Comment
  JEPS10063  Lasthenia fremontii R. F. Hoover 1937-5-19 2266 Shasta 5 mi e of Redding Comment
  CAS-BOT-BC204978  Lathyrus jepsonii var. californicus L. S. Smith 1913-5-24 238 Shasta Redding Comment
  CDA13035  Lathyrus lanszwertii var. aridus G. F. Hrusa, T. D. Wilfred 1996-6-1 12965 Shasta Lassen National Forest; Along USFS S16 approx. 1 mile N of Hwy 44 intersection. Comment
  UCD106364  Lathyrus latifolius W. R. Powell 1963-7-12 767 Shasta 2 miles south-southeast of junction of State Highway 299 with State Highway 89. 963 Comment
  UCD106349  Lathyrus latifolius Bill B. Fischer 1991-6-1 s.n. Shasta Burney/McArthur area. Comment
  JEPS88884  Lathyrus sulphureus Vernon H. Oswald and Lowell Ahart 1994-4-27 6124 Shasta 0.45 mi e (clockwise) of the trailhead Baily Cove Trail (on the w side of the McCloud River Arm of Shasta Lake) 335 Comment
  UCD106454  Lathyrus sulphureus W. R. Powell 1964-5-14 852 Shasta 4 miles east of Millville. 219 Comment
  HSC14737  Lathyrus tingitanus R. C. Sanford 1965-4-30 8 Shasta 10 mi. E of Redding on Hwy. 299. 244 Comment
  OBI75208  Leontodon saxatilis David J. Keil, with Kathleen Keil 2011-7-25 31090 Shasta Trailhead area, south side of Clear Creek Road west of Redding 150 Comment
  SEINET3450913  Leontodon taraxacoides subsp. longirostris Lowell Ahart, John Dittes 2003-5-22 10190 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwestof Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 150 yards south of the Coleman Canal, north side of a small wash west of the poor dirt road 250 Comment
  JEPS90548  Lepidium campestre Dean W. Taylor 1992-5-19 12593 Shasta 0.5 mi. above Potem Falls; Shasta Lake Region, Potem Creek drainage 387 Comment
  JEPS114451  Lepidium chalepense Lowell Ahart, John Dittes 2008-6-19 14842 Shasta On dry gray soil, about 5 yards east of the Pit River, south and under the bridge, about 150 yards northwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills 993 Comment
  HSC6839  Lepidium perfoliatum C. L. Hitchcock 1940-5-24 6560 Shasta Hat Creek, 20 mi. W of Fall River Mills Comment
  RSA260170  Lepidium perfoliatum C. L. Hitchcock 1940-5-24 6560 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  RSA562600  Leptosiphon androsaceus Alva Day 1974-5-4 74 -109 Shasta Shasta Lake, near confluence of Pitt and McCloud Rivers, east-facing ridge SW of Azella Creek. 91 Comment
  CHSC118560  Leptosiphon bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21407 Shasta Along poor dirt road extending from end of Mackey's Cove Road to northeast shore of Fall River Lake, about 0.5 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. 1008 Comment
  HSC17091  Leptosiphon bolanderi C. L. Hitchcock 1940-5-23 6524 Shasta 0.5 mi. above Burney Falls Comment
  POM172665  Leptosiphon bolanderi Franklin P. Nutting 1894-5-26 s.n. Shasta Goose Valley Comment
  CHSC9301  Leptosiphon ciliatus G. Strausbaugh 1970-6-21 109 Shasta Near summit of Buckhorn Bally ca. 3.5 mi. S. from U.S. Hwy. 299 W. 19.5 mi. E. Douglas City. 1478 Comment
  RSA523356  Leptosiphon ciliatus G. H. True 1938-5-25 920 Shasta Near Lake Britton 854 Comment
  UC1036213  Lesquerella occidentalis subsp. occidentalis George W. Gillett 1953-8-27 354 Shasta se ridge near trail summit area of Lassen Peak (summit area of Lassen Peak, Lassen Volcanic National Park); Lassen Volcanic National Park, summit Lassen Peak 2941 Comment
  JEPS20648  Lessingia nemaclada J. W. Blankinship 1909-10-22 Shasta Clear Creek 1066 Comment
  UC479418  Lessingia nemaclada Marcus E. Jones, A. M. 1931-7-16 29132 Shasta Pitt River bridge Pitt River Comment
  CAS-BOT-BC341879  Lessingia nemaclada Willard Spence 1962-7-23 726 Shasta North side of Pitt River Bridge, Rt. 99, approximately 15 miles north of Redding Comment
  RSA15469  Lessingia nemaclada John T. Howell 1936-8-22 12688 Shasta French Gulch Comment
  RSA38294  Lessingia nemaclada H. D. Ripley, R. C. Barneby 1948-1-6 9651 Shasta South base of Castle Rock 579 Comment
  UC33167  Lessingia nemaclada Milo S. Baker 1893-6 Shasta Comment
  CHSC55084  Leucanthemum vulgare L. P. Janeway 1991-6-15 4026 Shasta Battle Creek Wildlife Area. Flats along north side of Battle Creek; ca 1/2 mi east of the Sacramento River. 120 Comment
  OBI77290  Leucanthemum vulgare Anthony Baniaga 2011-6-18 368 Shasta Lassen NF. N side of Bidwell Pond. Murken Bench quad. T34N R4E sec 1 SW of SE 1015 Comment
  UC584319  Leucothoe davisiae G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2415 Shasta 5 mi s of Red Mountain 1524 Comment
  JEPS80655  Lewisia cantelovii Craig Martz 1981-9-2 Shasta 1/2 mi e Lamoine (cliff face on s side of Whitlow Creek); Sacramento River canyon 420 Comment
  CAS-BOT-BC509375  Lilium kelleyanum A. M. Vollmer 1948-9-4 s.n. Shasta Castella Comment
  CAS-BOT-BC123083  Lilium nevadense Alice Eastwood 1912-6-29 799 Shasta Goose Valley Comment
  CHSC2295  Lilium pardalinum subsp. pardalinum M. Underhill 1952-7-6 Shasta Comment
  CAS-BOT-BC133086  Lilium washingtonianum subsp. washingtonianum Hans Leschke 1967-8-3 s.n. Shasta Lassen Volcanic Nat. Park, near Noble Pass 1828 Comment
  JEPS100980  Limnanthes alba subsp. alba Dean W. Taylor 1988-4-15 9527 Shasta Olinda, 5.3 miles W of Cottonwood on Gas Point Road 166 Comment
  JEPS100979  Limnanthes alba subsp. versicolor Dean W. Taylor 1990-4-24 10686 Shasta South Fork Bear Creek, ca. 0.4 miles SW of Di Hill, along PG&E natural gas pipeline 670 Comment
  UC971860  Limnanthes alba subsp. versicolor Charles T. Mason Jr. 1949-4-25 1262 Shasta US Hwy 299 between Bella Vista and Ingot (6.2 mi w of Ingot, in vicinity of Cedar Creek (the type locality)) 304 Comment
  UCD116492  Limnanthes alba subsp. versicolor John Thomas Howell 1964-5-13 40705 Shasta near Cayton Creek, about 5 miles north of Burney Falls. Comment
  SEINET6670322  Limnanthes alba var. versicolor C. T. Mason 1949-4-25 1258 Shasta Along U.S. Highway 299 between Redding and Bella Vista Comment
  SEINET8727024 Image available Limnanthes alba var. versicolor Charles T. Mason 1949-1 1259 Shasta 3 miles east of Bella Vista; along U. S. Highway 299. Comment
  CAS-BOT-BC45940  Limnanthes floccosa subsp. floccosa Bettell Ellsworth 1923-5-23 s.n Shasta Cayton Comment
  JEPS100975  Limnanthes floccosa subsp. floccosa Dean Wm. Taylor with Robert A. Price 1988-6-1 9696 Shasta Burney Valley, on Black Ranch Road ca. 3.3 miles N of Burney and Highway 299 944 Comment
  UC879908  Linanthus ciliatus Alice Eastwood Jun 29 1912-Jul 11 1912 782 Shasta Goose Valley Comment
  UC501440  Linanthus harknessii Frank W. Peirson 1932-7-9 10287 Shasta Burney Spring 1432 Comment
  CHSC33981  Linanthus pungens J. D. Prouty 1981-7-21 1264 Shasta Ca. 6.5 mi se of Fall River Mills. 1097 Comment
  CDA6344  Linaria genistifolia subsp. dalmatica T. C. Fuller 1966-7-2 14960 Shasta South side of road to Pittville, 0.4 mile east of Highway 299, 1.7 miles east of McArthur Post Office. 0 Comment
  SEINET7887737 Image available Linnaea borealis Unknown 1947-1 8024 Shasta 2.9 miles east of Hatchet Creek, Hatchet Mt. , on highway 299, Shashta County. Comment
  UC889490  Linnaea borealis var. longiflora Alice Eastwood Jun 29 1912-Jul 11 1912 876 Shasta Goose Valley Comment
  UCSB15966  Linum lewisii Breedlove, Dennis 1962-6-12 Shasta Along State Highway 89, 7.2 miles south of junction with U.S. Highway 299; Cascade Range 1021 Comment
  RSA602935  Lipocarpha micrantha L. C. Wheeler 1958-8-24 7434 Shasta Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  UC335401  Listera convallarioides Lemmon Shasta near Lassen's Peak Comment
  CAS-BOT-BC36536  Lithocarpus densiflorus var. echinoides Edith Patterson 1908-8-1 s.n. Shasta Iron Mt. Comment
  JEPS117852  Lithocarpus densiflorus var. echinoides Julie Kierstead Nelson 2006-6-16 2006 -26 Shasta Girard Lookout, 2 miles southwest of Castle Crags 1463 Comment
  UCD102695  Lithophragma affine G. F. Hrusa 1992-5-3 10492 Shasta under powerlines to N of Big Bend. Comment
  CAS-BOT-BC430975  Lithophragma bolanderi L. E. Smith 1913-4-1 138 Shasta Anderson Comment
  CAS-BOT-BC432302  Lithophragma campanulatum Alice Eastwood 1912-6-28 707 Shasta Burney Comment
  CHSC96300  Lithophragma glabrum R. Fischer 2006-5-11 905 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plant collected along Spattercone Trail in an open rocky juniper woodland.. 1036 Comment
  HSC49046  Lithophragma heterophyllum Patricia Shesgreen 1978-5-14 97 Shasta 1.5 mi. off Hwy. 36, Basin Gulch Campground 861 Comment
  UCD102744  Lithophragma parviflorum G. L. Webster; June McCaskill, Robert Rhode, John Tucker 1993-5-16 7795 Shasta Along Little Cow Creek, NE of Ingot. 381 Comment
  JEPS25405  Lithospermum californicum Rimo Bacigalupi and G. T. Robbins 1959-4-21 7020 Shasta 1.6 mi s Shingletown (<drainage of Brush Creek; along road from Manton to Shingletown>); Brush Creek 1011 Comment
  CAS-BOT-BC317329  Lithospermum californicum Alice Eastwood; John Thomas Howell 1940-6-11 7921 Shasta Near Fall River Mills Comment
  UCD119496  Lithospermum californicum G. F. Hrusa 1992-5-3 10481 Shasta N of Big Bend. Comment
  CHSC84074  Logfia gallica Lowell Ahart; John Dittes 2003-5-22 10191 Shasta Along a wash, west of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  UCD134160  Logfia gallica Collector Unknown 1950-6-1 s.n. Shasta Ono #2. Comment
  CHSC93287  Lolium perenne R. Fischer 2005-5-21 509 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants growing along parts of main park road on the western shore of Big Lake. 1010 Comment
  CAS-BOT-BC271074  Lolium temulentum L. E. Smith 1914-7-4 742 Shasta Redding Comment
  UC875104  Lomatium bicolor var. leptocarpum Lewis S. Rose 1940-6-11 40493 Shasta Fall River Mills 1005 Comment
  JEPS17051  Lomatium dasycarpum subsp. tomentosum J. W. Blankinship 1911-4-19 Shasta Anderson Comment
  CHSC107415  Lomatium hallii Jake Ruygt 2009-5-25 5421 a Shasta McArthur-Burney Falls State Park. 850 Comment
  HSC47436  Lomatium marginatum var. marginatum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9737 Shasta County Rd. A16, 3 mi. SW of Ono 305 Comment
  CHSC96258  Lomatium nevadense R. Fischer 2006-5-15 954 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plant collected in mixed YPF/oak/juniper woods south of Juniper Trail. 1030 Comment
  SD87768  Lonicera conjugialis Frank W. Peirson 1932-7-12 10223 Shasta One Thousand Lake Basin; along the shore of Lake Eiler. 1950 Comment
  UC1543838  Lotus Harold and Virginia Bailey 1948-8-25 3062 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  POM260737  Lotus denticulatus Alice Eastwood, John T. Howell 1940-6-11 7930 Shasta Near Fall River Mills Comment
  UC207652  Lotus grandiflorus var. grandiflorus Milo S. Baker 1900-5-4 Shasta near Donkey Mine Comment
  UC1228163  Lotus nevadensis var. nevadensis Beecher Crampton 1960-6-16 5672 Shasta 1.5 mi n Fall River Mills (ne Shasta County) 1066 Comment
  JEPS91010  Lotus pinnatus Dean W. Taylor 1993-5-25 13507 Shasta Hamp Creek ca. 0.3 mi w Ponderosa Way ((Hagaman Gulch 7 1/2' USGS quadrangle)); Cascade Range 762 Comment
  UCR206051  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2009-6-11 14980 Shasta Southern Cascade Range, 'Road 300,' a side road without an official road sign, at the north side of CA-44; 9.7 miles east of Shingletown 1261 Comment
  UC1736330  Luetkea pectinata Dean W. Taylor 1988-6-26 9898 Shasta Clover Mountain, North facing slope, near summit; Lassen National Forest 1950 Comment
  RSA756090  Lupinus George K. Helmkamp, E. A. Helmkamp 2009-6-11 14952 Shasta McCumber Lake Road, at the south end of McCumber Lake and 3.3 miles northeast of its junction with CA-44 1099 Comment
  UC1543830  Lupinus Harold and Virginia Bailey 1948-8-25 3045 Shasta Summit Lake and meadows surrounding lake Summit Lake (Lassen Volcanic National Park); , Summit Lake 2040 Comment
  UC1543833  Lupinus Harold and Virginia Bailey 1948-8-27 2947 a Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park, ridge overlooking Lake Helen 2590 Comment
  CAS-BOT-BC198278  Lupinus Charles Piper Smith 1947-6-13 47434 f Shasta Highway 89, Old Station Post Office, 7.2 miles south. Comment
  LA205034  Lupinus albicaulis Carl Epling; Mrs. Epling 1935-8-15 sn Shasta Mt. Lassen, upper King's Creek Comment
  UC1736604  Lupinus albicaulis Dean W. Taylor 1993-6-1 13533 Shasta Bonnie Crags (ca. 5 air mi S Whitmore); prominent barren rock cliffs and slabs (of volcanic tuff) along Ponderosa Way 0.5 mi S of bridge over North Fork Bear Creek 731 Comment
  SEINET10543995 Image available Lupinus albicaulis subsp. purpurascens A. Arthur Heller 1905-5-25 Heller 7847 Shasta On banks near the railroad just above Redding. It occurs at intervals along the upper Sacramento, perhaps as far N as Castella. It is a relative of L. albicaulis. Comment
  HSC49125  Lupinus albifrons J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9668 Shasta County Rd. A16, 4 mi. from its junction with Hwy. 36 732 Comment
  HSC84316  Lupinus albifrons var. flumineus J. P. Smith, Thomas W. Nelson 1982-5-15 10425 Shasta Lewiston Turnpike along Sawpit Gulch, 1.2 mi. from its junction with Hwy. 299 579 Comment
  RSA32858  Lupinus angustiflorus A. A. Heller 1941-7-24 16260 Shasta Lassen Volcanic National Park: Between the Devasted Area and Summit Lake. Comment
  RSA79087  Lupinus angustiflorus E. K. Balls, Percy C. Everett, B. K. Balls 1952-10-14 18201 Shasta Approaching Hat Lake, 10 mi. s.e. of Lassen National Volcanic Park Boundary, Hwy 89. 1966 Comment
  SEINET10431709 Image available Lupinus apertus Anthony Baniaga 2011-7-12 447 Shasta Lassen National Forest, along Lost Creek, NW of junction 32N13 and N" spur. T31N R4E sec 3 SW of NE 1675 Comment
  UC334576  Lupinus arbustus J. G. Lemmon Shasta Downieville Buttes to Lassen's Peak; Downieville Buttes to Lassen's Peak Comment
  RSA91183  Lupinus arbustus subsp. silvicola F. W. Peirson 1926-6-22 6815 Shasta From Drakesbad to summit, Mt. Lassen National Park. Comment
  CAS-BOT-BC208807  Lupinus argenteus var. heteranthus Alice Eastwood 1912-6-29 1006 Shasta Goose Valley Comment
  CAS-BOT-BC208814  Lupinus argenteus var. heteranthus Charles Piper Smith 1947-6-13 47438 Shasta Highway 89, Hat Creek Ranger Station, 7.2 miles south. Comment
  UCD106689  Lupinus argenteus var. palmeri G. F. Hrusa; T. D. Wilfred 1996-6-11 13022 Shasta E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. 1385 Comment
  HSC65907  Lupinus bicolor D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 66 Shasta Harrison Gulch along Hwy. 36 at rd. to Deer Lick Springs 823 Comment
  HSC14809  Lupinus caudatus A. R. Marshall 1962-5-12 12 Shasta Burney State Park 1220 Comment
  POM266093  Lupinus caudatus C. Leo Hitchcock 1940-5-23 6511 Shasta ca. 1/4 mile south of Burney Falls. Comment
  SEINET10903532  Lupinus latifolius subsp. viridifolius Patricia L. Kenney 1973-6-4 Kenney 393 Shasta Collected along right-of-way of i-5, 5 mi. S of jct of hwy i-5 and business 5 In dunsmuir. 1158 Comment
  CHSC93304  Lupinus lepidus var. confertus R. Fischer 2005-7-14 546 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected off Rat Farm Road on the open sage meadow north of McArthur. 1014 Comment
  UC1543834  Lupinus lepidus var. lobbii Harold and Virginia Bailey 1948-8-27 2854 a Shasta Lassen Volcanic National Park; Lassen Volcanic National Park, Devastated Area 1828 Comment
  UC501354  Lupinus lepidus var. lobbii H. F. Copeland 1932-8-15 Shasta where the road crosses Kings Creek Meadow; Mt. Lassen 2225 Comment
  CHSC5289  Lupinus lepidus var. sellulus M. West 1946-6-23 Shasta Hat Creek. Eagle Lake. 1112 Comment
  CHSC85458  Lupinus lepidus var. sellulus G. F. Hrusa; T. D. Wilfred 1996-7-22 13363 Shasta Northeast California. Lassen National Forest. Along USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. 1615 Comment
  SJSU558  Lupinus lepidus var. sellulus G. Witherspoon 1940-6-27 2134 Shasta Badger Flat Meadow, Lassen Volcanic National Park 1905 Comment
  RSA91347  Lupinus leucophyllus F. W. Peirson 1932-7-9 10279 Shasta Burney Spring. 1433 Comment
  UC865315  Lupinus luteolus Alice Eastwood 1912-7-25 1415 Shasta Pitt to Baird; Pitt to Baird Comment
  RSA32713  Lupinus luteolus A. A. Heller 1940-6-29 15743 Shasta Two miles east of Ingot along U.S. Highway #299. Comment
  RSA87231  Lupinus lyallii var. lyallii F. W. Peirson 1932-7-11 10174 Shasta Forest floor of the interlake region. Thousand-lake Basin, Shasta Co. 1951 Comment
  CHSC78078  Lupinus nanus Terry Nelson 1998-4-18 240 -29 Shasta Growing on the mostly flat natural plains 7 mi nw of Cottonwood. 1.6 mi e of the Sacramento River and 40 yds s of Ash Creek. 158 Comment
  CHSC79506  Lupinus nanus G. F. Hrusa 1996-4-30 12898 Shasta Upper Sacramento Valley. On burm along Gover Ditch. E side of Sacramento River at corner of Gover Rd. and Sacramento River ~3 m. S of Anderson. 110 Comment
  UC762921  Lupinus nanus R. F. Hoover 1936-5-21 1189 Shasta 3 mi n Redding; n of Redding Comment
  UCD109260  Lupinus nanus G. L. Webster; June McCaskill, Robert Rhode, John Tucker 1993-5-16 7779 Shasta 0.3 mile SW of McCloud Bridge. 335 Comment
  SEINET8264188  Lupinus nanus A. Heller 1926-4-24 13929 Shasta Above Redding. "Collected at the type station." Comment
  UC727041  Lupinus obtusilobus A. A. Heller 1941-8-16 16295 Shasta gravelly ridge above Bumpas Hell parking space; Bumpas Hell 2438 Comment
  RSA303900  Lupinus obtusilobus James R. Shevock 1972-7-25 2202 Shasta South side Lassen Peak. 2835 Comment
  POM266075  Lupinus subvexus var. transmontanus C. Leo Hitchcock 1940-5-24 6532 Shasta On Hat Creek, ca. 20 miles west of Fall River Mills. Comment
  POM266085  Lupinus succulentus C. Leo Hitchcock 1940-5-20 6480 Shasta 25 miles east of Redding. Comment
  UC1149922  Luzula divaricata Harold and Virginia Bailey 1948-8-27 2950 c Shasta along trail from Lassen Peak parking area (ridge overlooking Lake Helen); Lassen Volcanic National Park, overlooking Lake Helen 2590 Comment
  CHSC117679  Luzula macrantha Peter F. Zika; Julie Nelson 2010-5-16 24820 Shasta Clikapudi Trail, S side of reservoir (Shasta Lake), NW of Buck Point, Shasta-Trinity National Forest, Cascade Range Foothills. 375 Comment
  JEPS28732  Luzula subcongesta George W. Gillett 1957-8-8 996 Shasta wet meadow ne Lassen Peak (above Paradise Meadow); Lassen Volcanic National Park, ne of Lassen Peak 2499 Comment
  JEPS104995  Lychnis coronaria Dean W. Taylor 1996-6-15 15670 Shasta Bear Gulch, along Highway 299 about 8 miles west of Round Mountain; Shasta- Trinity National Forests 426 Comment
  RSA768323  Lycopus americanus Justin M. Wood 2010-9-1 2507 Shasta [Sacramento River:] City of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge. 143 Comment
  UC19769  Lythrum hyssopifolia M. S. Baker and Frank Nutting 1894-5-20 Shasta Redding Comment
  CDA19052  Lythrum salicaria C. Benefield 2000-8-1 PDR 1198616 Shasta Modoc Plateau; along Fall River, between McArthur and Fall River Mills. 0 Comment
  CDA19051  Lythrum salicaria C. Benefield 2000-8-2 PDR 1198617 Shasta Modoc Plateau; Horr Pond, between Big Lake and Fall River, in the vicinity of McArthur. 0 Comment
  RSA0016021  Lythrum salicaria Don Pendleton 1986-6-26 s.n. Shasta Lava Creek Lodge, Lava Creek. Comment
  CDA10990  Machaeranthera canescens G. F. Hrusa 1991-6-27 8482 Shasta Pit River Drainage; Along road above Hat Creek Powerhouse #2. Comment
  CDA8225  Machaeranthera canescens subsp. canescens F. Stewart 1960-9-15 Shasta PG&E property, Burney area. 0 Comment
  POM362224  Madia Christopher Davidson 1973-5-28 2173 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  POM362223  Madia bolanderi C. G. Pringle 1882-9-7 s.n. Shasta About Mt. Shasta Comment
  RSA0001403  Madia citrigracilis D. D. Keck 1938-8-9 4892 Shasta Burney Spring, S side of Burney Mt. 1525 Comment
  HSC46253  Madia elegans M. Alcasas 1978-5-13 70 Shasta Beegum Gorge Rd. (F.S. Rd. 1S02). 976 Comment
  JEPS105153  Madia elegans Dean W. Taylor 1993-7-9 13826 Shasta Castle Creek; ca. 6 air miles WSW of Dunsmuir; Castle Crags State Park 670 Comment
  JEPS88985  Madia elegans Vivian Parker 1993-6-24 17 -9 Shasta Yolla Bolly Ranger District Shasta-Trinity National Forests, Beegum West quad. (along FS road 29N06 to Beegum Gorge) 900 Comment
  UC830836  Madia elegans Alice Eastwood Aug 22 1912-Aug 26 1912 1817 Shasta near Lassen Butte; Morgans Springs Comment
  JEPS6136  Madia exigua R. F. Hoover 1936-5-22 1199 Shasta 3 mi e Redding Comment
  JEPS89658  Madia exigua Dean W. Taylor 1974-6-13 3701 Shasta Hwy. 89 at crossing of Pit R. at Lake Briton; Cascade Mts. 914 Comment
  CAS-BOT-BC343414  Madia gracilis Frank W. Peirson 1932-7-9 10297 Shasta Burney Spring 1432 Comment
  CHSC66320  Madia gracilis V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7909 Shasta High North Coast Ranges. Harrison Gulch Rd. 2.4 mi (odometer) N of Hwy. 36, W of Platina. Roadside. 944 Comment
  UC830893  Madia gracilis Alice Eastwood Jun 29 1912-Jul 11 1912 890 Shasta Goose Valley Comment
  UCD134318  Madia gracilis W. Robert Powell 1981-5-13 2795 Shasta 1.5 miles north-northwest of Cottonwood, near east quarter corner of Section 34. Comment
  CAS-BOT-BC343407  Madia gracilis Mrs. R. M. Austin; Mrs. Bruce 1898-7-1 2323 Shasta Goose Lake Comment
  CAS-BOT-BC94822  Madia gracilis R. C. Wenk; P. Hopkinson; P. Brownsey 2008-6-20 894 Shasta Castle Crags S.P., 1 km NE of entrance station hut, 100 m N of Interstate 5 624 Comment
  UCR206056  Madia minima George K. Helmkamp, E. A. Helmkamp 2009-6-11 14971 Shasta Southern Cascade Range, Long Hay Flat Road, 0.1 mile south of CA-44, junction is 8.6 miles east of Shingletown 1276 Comment
  RSA92236  Madia minima F. W. Peirson 1932-7-9 10298 Shasta Burney Spring. 1433 Comment
  RSA18614  Mahonia repens C. B. Wolf 1937-8-8 9080 Shasta Sacramento River Canyon, 5.7 miles N of Lamoine. 549 Comment
  CAS-BOT-BC508550  Maianthemum racemosum subsp. amplexicaule Barbara T. Keller 1974-5-9 1300 Shasta Highway 44, 5 miles west of Lassen National Park 1402 Comment
  CHSC89666  Maianthemum stellatum R. Fischer; J. Marr 2004-9-27 343 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected along northern shores Ya-She pond. In mdw. 1008 Comment
  HSC46383  Malacothamnus J. P. Smith, J. O. Sawyer 1975-6-1 Shasta 1 mi. W of Beegum Comment
  HSC97664  Malacothrix floccifera A. Hove, A. Poteet, C. Sanville 1999-4-17 46 Shasta Hwy. 36; S-facing slope 128 Comment
  CHSC78074  Marah fabacea Terry Nelson 1998-4-18 240 -27 Shasta Near the convergence of Ash Creek into the Sacramento River s of Ash Creek and e of the Sacramento River. 134 Comment
  CHSC58017  Marsilea oligospora Vernon H. Oswald 1992-5-28 4955 Shasta Vernal pool bordering the W side of the lily pond near the summit of Table Mtn., ca. 1.3 mi (air) NNE of Manzanita Lake Entrance Station, somewhat W (outside) of the boundary of Lassen Volcanic National Park. 2019 Comment
  SJSU1586  Marsilea vestita subsp. vestita C. W. Sharsmith 1954-6-23 6189 Shasta 15 mi S of Burney Falls of Pit River Comment
  HSC46244  Matricaria discoidea Mark Flippo 1978-5-13 62 Shasta Beegum Gorge Rd. (FS Rd. 1S02) 976 Comment
  UCD112374  Melica Christopher Mallek 2008-5-8 AC3- 3 Shasta Ash Creek. 876 Comment
  CDA13046  Melica aristata G. F. Hrusa, T. D. Wilfred 1996-6-1 12977 Shasta Lassen National Forest; Steep, rocky slopes on W side of Hwy 44 approx. 200 meters N of Big Spring. Chaparral with scattered Pinus jeffreyi. Occasional perennial in partial shade. Comment
  CAS-BOT-BC269507  Melica californica A. A. Heller 1905-5-26 7857 Shasta Near Redding Comment
  CHSC84053  Melica californica Lowell Ahart; John Dittes 2003-5-22 10192 Shasta West of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  SEINET188141 Image available Melica harfordii C. L. Hitchcock 1940-5-20 6474 Shasta 25 miles east of Redding. Comment
  RSA768465  Melissa officinalis Justin M. Wood 2010-9-2 2574 -B Shasta [Round Mountain:] Willow Creek: 1.3 miles SW of community of Montgomery Creek, near intersection of Highway 299 and Fenders Ferry Road. 625 Comment
  UC1548044  Mentzelia albicaulis H. and H. Doppelbaur 1965-8-20 Shasta s Hat Creek (( ca.100 km e of Redding)); Lassen National Forest Comment
  UC872466  Mentzelia dispersa Alice Eastwood Jun 29 1912-Jul 11 1912 721 Shasta Goose Valley Comment
  CAS-BOT-BC428726  Micranthes californica L. E. Smith 1913-4-21 81 Shasta Anderson Comment
  CHSC25740  Micranthes odontoloma John Steiner 1977-7-11 103 Shasta Lassen Volcanic National Park. Along n edge of Shadow Lake source stream, 50 m w of lake. 2243 Comment
  CHSC105709  Micropus californicus var. californicus Julie Kierstead Nelson 2005-5-2 2005 -002 Shasta Floodplain of Stillwater Creek, Encanto Way, 8 miles NE of Redding. 182 Comment
  SEINET192033  Micropus californicus var. californicus C. L. Hitchcock 1940-5-17 6458 Shasta 3 mi E of Redding 152 Comment
  SEINET7073012  Micropus californicus var. californicus A. G. Vestal 1963-5-31 s.n. Shasta About 10.2 miles northeast of Balls Ferry on Deschutes Road. UTM Zone 10, 564576mE, 4489486mN. Coordinate datum: NAD27. Comment
  JEPS104032  Microseris acuminata Lowell Ahart 2003-5-12 10133 Shasta Near a marshy vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104054  Microseris douglasii subsp. douglasii Lowell Ahart 2003-5-12 10135 Shasta Near a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  UC1536748  Microseris nutans G. H. True 1938-5-26 944 Shasta between Rock Creek and Pit River 914 Comment
  CAS-BOT-BC349360  Microseris nutans Alice Eastwood 1912-6-29 845 Shasta Goose Valley Comment
  RSA554573  Microseris nutans Walter Wisura 1993-5-9 4891 Shasta Highway 299, 9 miles west of Redding Comment
  HSC49787  Microsteris gracilis J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9826 Shasta Deer Lick Springs Rd., 2 mi. from its junction with Hwy. 36 915 Comment
  HSC85817  Microsteris gracilis Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-28 70 Shasta Basin Gulch Campground. 900 Comment
  UCD111683  Mimulus Christopher Mallek 2008-1 s.n. Shasta Ash Creek. 876 Comment
  SEINET7075518  Mimulus angustatus A. G. Vestal 1955-5-14 s.n. Shasta Salt Creek at Project City. 4 miles north-northeast of Redding. 40? deg. 37' 55" North Latitude, -122? deg. 21' 22" West Longitude. UTM Zone 10, 554454mE, 4497883mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  RSA565021  Mimulus bicolor D. W. Taylor 1993-5-2 13412 Shasta s base of DI Hill; along ephemeral tributary creek S of Ponderosa Way. 671 Comment
  JEPS28558  Mimulus breweri George W. Gillett 1957-7-9 691 Shasta about 2 mi n Big Springs (confluence of Hat Creek and Lost Creek n of Park); Lassen Volcanic National Park 1524 Comment
  UC1023726  Mimulus breweri Francis W. Pennell 1940-7-21 26220 Shasta w Summit Lake (Route 89); Lassen National Park 1981 Comment
  UC54636  Mimulus breweri H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4323 Shasta s side Mount Lassen (Park's Ranch) 2133 Comment
  POM43684  Mimulus breweri Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  SEINET10570336  Mimulus guttatus Patricia L. Kenney 1973-6-4 Kenney 406 Shasta Pollard flat campground in klamath national forest off i-5, 21.6 mi s of Dunsmuir. 457 Comment
  HSC84183  Mimulus kelloggii J. P. Smith, Thomas W. Nelson 1982-5-15 10441 Shasta Lewiston Turnpike along Sawpit Gulch, 2.9 mi. from its junction with Hwy. 299 793 Comment
  HSC90176  Mimulus kelloggii Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 11 Shasta Basin Gulch Campground off Hwy. 36 899 Comment
  CDA13075  Mimulus layneae G. F. Hrusa, T. D. Wilfred 1996-6-11 13008 Shasta Lassen National Forest; E side of Hwy 89 approx. 1/2 m. N of Old Station Trailer Park, and between USFS N99 and N91. Comment
  JEPS28550  Mimulus layneae George W. Gillett 1957-7-9 681 Shasta about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Hat Creek, Lost Creek 1524 Comment
  JEPS95530  Mimulus layneae Vernon H. Oswald and L. Ahart 1994-5-12 6200 Shasta T35N R5W NE1/4 SE1/4 Sec. 29, 1200 ft, Yellow Pine Forest. Sugarloaf Creek Trail ca. 0.3 mi NW of the trailhead located on Lakeshore Dr. (35N08), on the W side of the Sacramento River Arm of Shasta Lake 365 Comment
  HSC103567  Mimulus layneae Thomas W. Nelson, Jane Nelson 1986-6-23 8122 Shasta Along State Route 44, 4 mi. E of Shingletown Comment
  JEPS10499  Mimulus microphyllus Alice King May 1921 Shasta Anderson Comment
  UC1543765  Mimulus moniliformis Harold and Virginia Bailey 1948-8-25 2971 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC9242  Mimulus moschatus G. Strausbaugh 1970-6-21 127 Shasta At seepage stream east side dirt road Buckhorn Bally ca. 3.1 mi. south from U. S. Hwy. 299W 19.5 mi. east of Douglas City. 1097 Comment
  UC711914  Mimulus nanus var. jepsonii Roxana S. Ferris and Laura Lorraine 1941-8-10 10463 Shasta near Summit Lake; Lassen National Park 2042 Comment
  RSA80082  Mimulus nanus var. mephiticus F. W. Peirson 1932-7-12 10212 Shasta Along rim of Red Crater. Thousand Lake Basin. Sierra Nevada. 2012 Comment
  JEPS10596  Mimulus pilosus J. W. Blankinship 1910-7-9 Shasta Stillwater Creek Comment
  RSA21718  Mimulus pilosus Carl B. Wolf 1937-8-8 9078 Shasta Head of Sacramento Valley. 6 miles N of Redding. 244 Comment
  JEPS80697  Mimulus primuloides subsp. primuloides L. R. Heckard 1981-7-12 5148 A Shasta near Summit Lake Guard Station 2011 Comment
  UC886327  Mimulus pulsiferae Lewis S. Rose 1940-6-10 40486 Shasta 8 mi w Burney; Hatchet Mt. 1310 Comment
  UC1023711  Mimulus pulsiferae Francis W. Pennell 1940-6-7 25707 Shasta Route 299 w Backen (e of Burney) 1097 Comment
  UC917312  Mimulus tilingii K. L. Olson 1949-7-30 15 Shasta King's Creek Meadow Mt. Lassen National Park Comment
  JEPS18880  Mimulus torreyi George W. Gillett 1957-7-9 680 Shasta 2.2 mi ne Manzanita Lake Entrance Station (n shoulder of State Highway No.89); Lassen Volcanic National Park 1828 Comment
  JEPS9329  Mimulus torreyi George W. Gillett 1953-7-9 265 Shasta ne Lassen Volcanic National Park (along State Highway 89, between park boundary and subway Cave 4.6 mi w Big Springs); Lassen National Forest 1584 Comment
  JEPS10511  Mimulus tricolor J. W. Blankinship 1911-4-21 Shasta Redding Comment
  UC1567414  Mimulus tricolor G. Schoolcraft 1989-6-5 1911 Shasta e Timbered Crater (by Old Brown Ranch) 1066 Comment
  CHSC88754  Minuartia californica R. Fischer; J. Marr 2004-5-25 269 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located near Camp 7. 1016 Comment
  JEPS90751  Minuartia californica Dean W. Taylor 1991-3-14 11593 Shasta Wildcat Rd. 1.3 mi n Manton Road (ditch along road); Cascade Range 340 Comment
  SEINET7073013  Minuartia californica A. G. Vestal 1963-5-31 s.n. Shasta About 10.2 miles northeast of Balls Ferry on Dersch Road. UTM Zone 10, 579582mE, 4482358mN. Coordinate datum: NAD27. Comment
  POM220626  Minuartia californica L. C. Wheeler 1935-3-31 3397 Shasta Between Boulder and Churn Creeks 3 miles NE Redding. 198 Comment
  RSA612050  Minuartia californica L. C. Wheeler 1935-3-31 3397 Shasta Between Boulder and Churn Creeks 3 miles NE Redding. 198 Comment
  SEINET5336916  Minuartia californica L. Wheeler 1935-3-31 3397 Shasta Between Boulder and Churn Creek, 3 miles NE of Redding. 198 Comment
  CHSC30210  Minuartia decumbens M. S. Taylor 1980-8-13 3241 Shasta On ridge on sw side of 28N68, ca. 0.2 mi s of its jct with 28N15, ca. 1.2 mi n of Reagan Meadow, ca. 6 mi s of Wildwood. 1493 Comment
  CHSC68717  Minuartia douglasii Vernon H. Oswald 1997-5-20 8475 Shasta BLM Wilderness Study Area south of Fall River Mills on Bald Mtn. Rd., 1.5 mi east of Cassel-Fall River Rd., west edge of lava beds. 1082 Comment
  UC465487  Minuartia douglasii Franklin P. Nutting Shasta Goose Valley Comment
  CAS-BOT-BC388866  Minuartia douglasii D. E. Breedlove 1962-6-11 3390 Shasta On east side of Burney Falls, Burney Falls State Park; Cascade Range 914 Comment
  CAS-BOT-BC388874  Minuartia douglasii Lewis S. Rose 1934-4-21 34237 Shasta Lamoine 380 Comment
  POM260874  Minuartia douglasii Alice Eastwood 1940-6-11 7934 Shasta Near McArthur. Comment
  UC1051544  Minuartia douglasii Helen K. Sharsmith 1953-6-25 4356 Shasta 3-3.5 mi beyond Wildwood (on road to Peanut); Inner North Coast Ranges, Trinity National Forest 1188 Comment
  HSC71856  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1980-6-22 5836 Shasta Along FS road 1 mi. W of Regan Meadow 1524 Comment
  CAS-BOT-BC220051  Monardella breweri subsp. lanceolata A. A. Heller 1916-7-23 12499 Shasta Between the McCloud and Sacramento Rivers Comment
  SEINET892766  Monardella breweri subsp. lanceolata Lewis S. Rose 1945-1 45215 Shasta 1 mi. SE of Doyles Corner 975 Comment
  HSC96653  Monardella lanceolata Thomas W. Nelson, Joe Molter 2004-6-21 9255 Shasta Along road to PG&E dam #6, 3.1 mi. from junction with Big Bend Rd. 673 Comment
  UC525862  Monardella odoratissima subsp. glauca H. F. Copeland 1932-8-15 Shasta Below Raker Peak; Mt. Lassen, Lost Creek 1800 Comment
  UC883629  Monardella odoratissima subsp. pallida E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  CHSC43025  Monardella sheltonii L. P. Janeway 1987-6-29 2370 Shasta 0.9 mi east of Buckhorn Summit along hwy 299; cyn of Willow Cr. 883 Comment
  CHSC65640  Monardella sheltonii L. P. Janeway 1995-6-23 4814 Shasta Along Fenders Ferry Road (Rd 27) 0.2 mi west of bridge over Pit River. 350 Comment
  CAS-BOT-BC220216  Monardella sheltonii Elmer I. Applegate 1929-6-18 5757 Shasta Polock [Pollock], Sacramento River Comment
  CAS-BOT-BC220245  Monardella sheltonii E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  UC1124615  Monardella villosa subsp. villosa P. L. Johannsen 1933-6-20 184 Shasta Clear Creek Road Weaverville Quadrangle Comment
  CAS-BOT-BC94482  Montia R. C. Wenk 2005-7-20 355 Shasta Mt. Lassen National Park. Trail from hat Lake to Terrace Lake, 1/4 mile from trailhead 1889 Comment
  JEPS28400  Montia chamissoi George W. Gillett 1957-8-9 1010 Shasta near Summit Lake Ranger Station (near; Cliff Lake Trail, East Fork Hat Creek); Lassen Volcanic National Park, East Fork Hat Creek 2026 Comment
  UC1609190  Montia linearis Vernon H. Oswald and Lowell Ahart 1993-5-12 5393 Shasta 0.6 mi e of Shingletown-Manton Road (Road to Grace Lake, s of Shingletown) 1645 Comment
  RSA125974  Montia linearis E. K. Balls 1957-5-24 22544 Shasta 3.4 miles W of Platina along Hwy 36, Red Bluff to Alton. 671 Comment
  UCD101757  Montia linearis G. F. Hrusa 1992-5-3 10490 Shasta under powerlines to N of Big Bend. Comment
  CHSC85457  Muhlenbergia filiformis G. F. Hrusa; T. D. Wilfred 1996-7-22 13376 Shasta Northeast California. Lassen National Forest. Along USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. 1615 Comment
  CAS-BOT-BC267031  Muhlenbergia filiformis John Thomas Howell 1960-8-22 36401 Shasta Dursch Meadows 1981 Comment
  UCD86756  Muhlenbergia jonesii Burle Jones 1940-8-15 s.n. Shasta Lassen Park. Hat Creek. Comment
  UC725521  Muhlenbergia rigens A. A. Heller 1923-9-3 13827 Shasta Phelan Ranch Comment
  RSA0049692  Myosotis scorpioides Dean Wm. Taylor 2013-9-6 21413 Shasta Hat Creek at Highway 299, on the western bank of the creek ca. 200 meters upstream from the highway bridge 845 Comment
  CDA5319  Myriophyllum aquaticum J. R. Keck Jr. 1966-8-31 Shasta Anderson. 0 Comment
  JEPS128438  Myriopteris gracillima Julie Kierstead Nelson with Len Lindstrand III 2015-4-22 2015 -029 Shasta Near summit of Minnesota Mountain, eastern Klamath Range, east of I-5; north side of Shasta Lake between McCloud and Squaw Creek arms. Comment
  CHSC25743  Nama lobbii John Steiner 1977-7-4 90 Shasta Gravelly, sandy slope in an open area .6 km ene Echo Lake and 2.8 km s Big Bear Lake. 1951 Comment
  HSC13564  Nama lobbii R. G. Means 1962-7-5 80 Shasta 7.2 mi. from Hwy. 99 on Everitt Hwy. 2287 Comment
  JEPS28580  Nama lobbii George W. Gillett 1957-7-12 726 Shasta e slope Crescent Crater Lassen Volcanic National Park, Crescent Crater (loose talus, Lassen Volcanic National Park) 2346 Comment
  RSA113298  Nama lobbii E. K. Balls, Lee W. Lenz 1956-6-19 21827 Shasta State Highway 89, just north of Subway Cave, McCloud to Mt. Lassen. 1341 Comment
  CHSC93277  Narcissus R. Fischer 2005-4-15 641 Shasta McArthur. Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected from the weedy and long abandoned yard at the old Ranger Station on the western end of the park. 1013 Comment
  CAS-BOT-BC60326  Nasturtium officinale L. P. Janeway 1991-5-10 3944 Shasta Battle Creek Wildlife Area. North edge of Battle Creek, ca 1.5 mile east of the Sacramento River. 115 Comment
  LA206700  Navarretia divaricata W. B. C.; 1940-7-5 15230 Shasta Mount Shasta, along the Wagon Camp road 1676 Comment
  JEPS88126  Navarretia divaricata subsp. vividior V. H. Oswald, Lowell Ahart and Robin Ondricek-Fallsheer 1996-7-1 7906 Shasta High North Coast Ranges. Harrison Gulch Road 2.4 miles (odometer) N of Highway 36, W of Platina Comment
  CHSC118565  Navarretia heterandra Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21392 Shasta Along poor dirt road extending from end of Mackey's Cove Road to northeast shore of Fall River Lake, about 0.5 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills. Fall River Valley. 1008 Comment
  CHSC68723  Navarretia heterandra Vernon H. Oswald 1997-5-20 8474 Shasta BLM Wilderness Study Area south of Fall River Mills on Bald Mtn. Rd., 1.5 mi east of Cassel-Fall River Rd., west edge of lava beds. 1082 Comment
  SEINET191462  Navarretia intertexta C. L. Hitchcock 1940-5-17 6457 Shasta 3 miles east of Redding. 152 Comment
  UCD32746  Navarretia intertexta Beecher Crampton 1954-7-9 2199 Shasta Shasta County, 1.8 miles west of Burney, along US highway 299. 914 Comment
  CHSC93034  Navarretia intertexta subsp. intertexta R. Fischer 2005-7-18 535 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Located in roadbed near Ya-She camp sites. 1013 Comment
  RSA72303  Navarretia leptalea F. W. Peirson 1932-7-9 10288 Shasta Burney Spring. 1433 Comment
  JEPS69655  Navarretia leptalea subsp. leptalea W. L. Jepson 1940-7-3 20122 Shasta Cayton n of Burney Falls, Cayton 1005 Comment
  RSA91812  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-29 1174 Shasta About 4 miles north of Anderson Comment
  HSC75901  Navarretia leucocephala subsp. minima D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-21 19209 Shasta Near Baker Lake about 5 mi. E of Old Station on road 33N0A Comment
  UC73613  Navarretia leucocephala subsp. minima Milo S. Baker 1898-7-10 Shasta Tamarack Road at Johnson's Comment
  UC879891  Navarretia sinistra Alice Eastwood Jun 29 1912-Jul 11 1912 1020 Shasta Goose Valley Comment
  GMDRC6945  Navarretia tagetina J. M. Andre, T. La Doux, Senna & Elias Andre 2013-7-12 31415 Shasta along north side of Hwy 89 at Pondosa Rd exit, Little Bear Flat, approx. 25 mi. east of McCloud, approx. 20 mi. north of Burney, just south of Siskiyou Co. line 1236 Comment
  UC856889  Navarretia tagetina C. L. Hitchcock 1940-5-27 6637 Shasta near McArthur Comment
  POM261445  Navarretia tagetina Alice Eastwood, J. T. Howell 1940-6-10 7884 -A Shasta Near Bella Vista Comment
  UC73611  Navarretia viscidula Milo S. Baker 1898-7-4 269 Shasta Stillwater Comment
  UC856898  Navarretia viscidula A. A. Heller 1916-6-25 12453 Shasta 10 mi n Redding Comment
  CHSC66327  Nemacladus capillaris V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7905 Shasta High North Coast Ranges. Harrison Gulch Rd. 2.4 mi (odometer) N of Hwy. 36, W of Platina. 944 Comment
  JEPS1515  Nemophila heterophylla C. F. Rose 1935-5-13 59 Shasta 20 mi nw Redding (= Whiskeytown); nw of Redding, = Whiskeytown Comment
  UC880881  Nemophila heterophylla C. L. Hitchcock 1940-5-20 6482 Shasta 25 mi e Redding; e of Redding Comment
  UCSC009128  Nemophila heterophylla Al Keuter 2015-4-2 AK 00 -130 Shasta Bailey's Cove Road 345 Comment
  HSC72023  Nemophila heterophylla J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-8 9587 Shasta Hwy. 36, 1.85 mi. E of the Trinity Co. line 1067 Comment
  CAS-BOT-BC230565  Nemophila parviflora var. parviflora Jeanne McFarland; Kathie Meyer; Anne Mullenniex No date on label 15 Shasta 0.5 mile E of 2.5 mile marker on Highway 36, above road to W of Pullout and Beegum Creek 396 Comment
  UC726907  Nemophila pedunculata A. A. Heller 1942-5-3 16446 Shasta 3 mi e Ono; e of Ono Comment
  JEPS111020  Neviusia cliftonii J. K. Nelson with Len Lindstrand III 2004-9-1 2004 -101 Shasta Unnamed tributary stream to Brock Creek, near Brock Creek confluence with Pit River Arm, Shasta Lake; ca 20 miles NE of Redding. 329 Comment
  SEINET1910364  Neviusia cliftonii James R. Shevock, Barbara Ertter 1992-1 12197 Shasta Along Shasta-Trinity NF Rd 27, 0.6 mi. N of Squaw Creek Ranger Station, NW of Shasta Lake (24.4 mi. from hwy 299 & ca. 25 air mi NNE of Redding. 366 Comment
  SEINET10858100 Image available Neviusia cliftonii Dean W. Taylor, Glenn Clifton 1992-5-5 Taylor 12513 Shasta Cedar Creek drainage, along Highway 299 2.5 miles E of the junction with Oak Run Road (7.4 road miles W of Round Mountain post office), T33N, R1W, NW1/4 of NW1/4 Section 29 (Devils Rock 71/2 quadrangle). 442 Comment
  JEPS12275  Nicotiana acuminata var. multiflora J. W. Blankinship 1911-5-31 Shasta Anderson Comment
  UCD163088  Notholithocarpus densiflorus Jack Major date unknown s.n. Shasta Summit. Road between Trinity River and Castella. (Exact location unknown. Coordinates estimated by label maker. Possibly collected in 1967.) 1500 Comment
  JEPS100762  Nuphar lutea subsp. polysepala Dean W. Taylor 1999-8-13 17337 Shasta lake in canyon of Pit River about 3 miles SW of Big Bend (local unofficial place name Big Lake) 701 Comment
  CDA39394  Odontostomum hartwegii Krebs 1943-5-7 s.n. Shasta Anderson. 0 Comment
  CAS-BOT-BC140347  Oemleria cerasiformis A. A. Heller 1922-4-9 13607 Shasta Along the McCloud River above the Salmon hatchery near Baird Comment
  UC1532349  Oenanthe sarmentosa Vernon Oswald 1986-6-27 2164 Shasta s.e. Shingletown (Grace lake, s. bank of the reservoir); Grace Lake 1036 Comment
  CHSC34095  Orcuttia tenuis J. D. Prouty 1981-7-19 1239 Shasta Vernal pool on BLM grazing lease no 3137 NW of intersection of Dersh and Dechutes Rds, ca. 3.5 mi NE of Anderson. 129 Comment
  CHSC45782  Orcuttia tenuis R. D. Stone; J. M. Erzinger 1986-7-16 752 Shasta Central Valley. Stillwater Plains, 0.25 miles ESE of S end of main runway at Redding Municipal Airport. Vernal pool. 146 Comment
  JEPS23676  Orcuttia tenuis Beecher Crampton 1958-8-13 5084 Shasta about 9 mi n Burney; ne portion of Goose Valley 1066 Comment
  JEPS71260  Orcuttia tenuis R. F. Hoover 1936-5-22 1210 Shasta 4 mi n Anderson Comment
  UC1116693  Orcuttia tenuis Beecher Crampton 1960-6-15 5625 Shasta sw corner Redding Municipal Airport (4.4 mi n of Anderson) Comment
  UC766717  Orcuttia tenuis R. F. Hoover 1937-5-19 2268 Shasta 5 mi e Redding Comment
  UCR132242  Orcuttia tenuis Beecher Crampton 1958-8-13 5084 Shasta Shasta National Forest, Northern end of Goose Valley, 3.6 mi. NE of Goose Valley Ranch headquarters, 7.5 mi. north of Scott Lumber Mill, 9 mi. north of Burney 1067 Comment
  RSA0037114  Orcuttia tenuis T. C. Fuller 1960-6-28 4622 Shasta Just east of Redding Airport, 2 miles N of Anderson. Comment
  CAS-BOT-BC349977  Oreostemma alpigenum var. andersonii George W. Gillett 1957-8-17 1086 Shasta Lassen Volcanic National Park. Emerald Lake 2468 Comment
  JEPS28739  Oreostemma alpigenum var. andersonii George W. Gillett 1957-8-9 1007 Shasta near Summit Lake Ranger Station; Lassen Volcanic National Park, East Fork Hat Creek 2026 Comment
  UC1326250  Oreostemma alpigenum var. andersonii Milo S. Baker 1947-8-12 11961 Shasta King Cr., Hwy 89 Mt. Lassen Nat. Park, King Cr. 2286 Comment
  HSC46131  Orobanche fasciculata J. P. Smith, J. O. Sawyer 1976-5-9 8712 Shasta Whiskeytown National Recreational Area. Comment
  CAS-BOT-BC500182  Orobanche fasciculata Ellsworth Bethel 1923-5-30 s.n. Shasta Burney Comment
  JEPS3311  Orthocarpus cuspidatus subsp. cryptanthus George Gillett 1952-8-17 193 Shasta slope near State Highway 89, 2.0 mi below sign marking trail to Bumpas Hell (Lassen Volcanic National Park); , below sign Bumpas Hell Comment
  SBBG26753  Osmorhiza berteroi C. L. Hitchcock 1940-5-20 6492 Shasta 25 mi E of Redding Comment
  UCD127443  Osmorhiza berteroi G. F. Hrusa; T. D. Wilfred 1996-6-11 13006 Shasta on west side of Highway 44, approximately 200 meters north of Big Spring. 1422 Comment
  HSC103520  Packera cana Thomas W. Nelson, Jane Nelson 1986-6-23 8129 Shasta Along State Route 44, .7 mi. from Old Station near foot of steep grade Comment
  UC128658  Packera eurycephala var. eurycephala A. A. Heller 1905-5-26 7871 Shasta near Redding Comment
  UC831737  Packera eurycephala var. eurycephala C. L. Hitchcock 1940-5-27 6635 Shasta near McArthur Comment
  CAS-BOT-BC316862  Packera eurycephala var. eurycephala L. E. Smith 1913-4-26 128 Shasta near Anderson Comment
  UC223994  Packera eurycephala var. eurycephala H. E. Brown May 15 1897-May 28 1897 234 1/2 Shasta near Pit River Ferry; Pit River 213 Comment
  CHSC55571  Panicum acuminatum L. P. Janeway 1991-6-15 4029 Shasta Battle Creek Wildlife Area. Along north side of Battle Creek; ca 1 1/2 mi east of the Sacramento River. 120 Comment
  UCD32853  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-8-27 7199 Shasta 1.9 miles north of Gibson (Gibson Div. of Hwys. maintenance station) on US Hwy. 99. 426 Comment
  UCD88197  Panicum acuminatum var. fasciculatum A. A. Beetle 1946-5-19 4356 Shasta 18 mi. South of Dunsmuir. Gravelly bank of Sacramento River, junction of Boulder Creek and Sacramento River. Comment
  UCD88222  Panicum acuminatum var. fasciculatum Beecher Crampton 1956-8-20 3769 Shasta Castle Crag, 640 Comment
  UCD89960  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7169 Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  UCD89501  Panicum capillare Beecher Crampton 1964-8-26 7192 Shasta Castle Crag, r.r. siding. Comment
  CAS-BOT-BC253690  Panicum capillare Lewis S. Rose 1945-9-2 45213 Shasta 1 mile SE of Doyles Corner 975 Comment
  JEPS111359  Panicum dichotomiflorum subsp. dichotomiflorum Walter S. Lennon 1983-10-14 Shasta Road near Sacramento River, 1.0 mile East of Hwy 5, 0.5 mile North of Pollard Flat. Comment
  SEINET10507766  Panicum pacificum A. S. Hitchcock 1908-8-3 Hitchcock 3070 Shasta Castle Crag Comment
  JEPS113296  Parentucellia viscosa L. P. Janeway 2006-5-17 8601 Shasta Inner North Coast Ranges. Fallow pasture on west side of Hwy 273, 3.1 km south of Happy Valley Road. Comment
  UC485732  Parnassia californica H. F. Copeland 1931-8-9 Shasta Mount Lassen, Emerald Lake Emerald Lake; Mount Lassen, Emerald Lake 2438 Comment
  JEPS104439  Parnassia cirrata var. intermedia Martin J. Lenz 2003-9-17 41 Shasta approx. 3.9 air mi W of Sims Fire Station, near Roseburg Resources Co. 160G road, approx 400 ft N of North Fork of Shotgun Creek 1363 Comment
  JEPS104440  Parnassia cirrata var. intermedia Martin J. Lenz 2003-9-11 39 Shasta approx. 3.7 air mi WNW of Sims Fire Station, near Roseberg Resources Co. 160G road; approx. 2000 ft N of North Fork of Shotgun Creek 1411 Comment
  RSA518819  Paronychia ahartii Rimo C. Bacigalupi, Herbert, Lucille Mason 1958-4-23 6319 Shasta Along Hwy 44, 1 mile above and east of the jct. with Dersch Road (about 11 miles SE of Millville) 500 Comment
  UC585531  Paspalum dilatatum Virginia E. Long 1931-5-22 77 a Shasta Happy Valley nw Anderson; Happy Valley 304 Comment
  CAS-BOT-BC259688  Paspalum dilatatum John Thomas Howell 1937-7-19 13146 Shasta 2 miles S of Redding Comment
  UCD103453  Pectiantia pentandra Gerald Dickinson 1963-7-2 66 Shasta Bunch Grass Campground off State Highway 89, near Old Station and Big Lake. 1615 Comment
  UC1036227  Pedicularis attollens George W. Gillett 1953-8-22 344 Shasta Dersch Meadows; Lassen Volcanic National Park 2026 Comment
  UC54660  Pedicularis attollens H. M. Hall and E. B. Babcock June, 1903 4156 Shasta Bear Flat, north-eastern Shasta County Bear Flat; Sierra Nevada Mountains 1310 Comment
  UCD112387  Pedicularis densiflora Christopher Mallek 2008-5-8 AC3- 13 Shasta Ash Creek. 876 Comment
  UC1543861  Pedicularis semibarbata Harold and Virginia Bailey 1948-8-25 3008 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  CHSC66313  Pellaea brachyptera V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7914 Shasta Harrison Gulch Rd. 3.7 mi (odometer) N of Hwy. 36, W of Platina. 1066 Comment
  HSC49773  Pellaea brachyptera J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9837 Shasta Deer Lick Springs Rd., 3.4 mi. from its junction with Hwy. 36 1098 Comment
  CAS-BOT-BC67578  Pellaea mucronata Alice Eastwood s.n. Shasta Kennet Comment
  UCD111688  Pellaea mucronata var. californica Christopher Mallek 2008-1 AC2- 37 Shasta Ash Creek. 876 Comment
  JEPS121434  Pellaea mucronata var. mucronata Julie Kierstead Nelson 2013-4-11 2013 -004 Shasta Clear Creek Gorge southeast of overlook picnic ara, ca. 5 miles SW of Redding. Comment
  CDA2159  Pennisetum clandestinum J. R. Keck Jr. 1965-11-22 Shasta Redding. 0 Comment
  JEPS28578  Penstemon George W. Gillett 1957-7-11 723 Shasta above Crater Lake (Talus slopes on Chaos Crags); Lassen Volcanic National Park 2072 Comment
  JEPS85817  Penstemon azureus Roy E. Buck 1989-10-4 1417 Shasta ca 0.1 air km nw Potem Falls (Canyon of Potem Creek, bank on e side of Road 27 (road from Fenders Flat up Potem Creek), 9 air km w of Montgomery Creek (town)); Canyon of Potem Creek, nw of Potem Falls 396 Comment
  UCD124050  Penstemon azureus G. F. Hrusa 1992-5-1 10465 Shasta exact location unknown. Comment
  UCD67680  Penstemon azureus D. Sanchez-Mata 1996-6-30 s.n. Shasta Lassen National Forest-Lassen Volcanic National Park. 1700 Comment
  JEPS11245  Penstemon azureus var. azureus J. W. Blankinship 1911-5-30 75 Shasta Stillwater Creek Comment
  NY571176  Penstemon azureus var. azureus C. L. Hitchcock 1940-5-20 6504 Shasta 25 miles east of Redding Comment
  UCR206565  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2009-6-13 14991 Shasta Southern Cascade Range, Wilson Hill Road, 0.7 mile south of its junction with CA-44 in Shingletown 1088 Comment
  CAS-BOT-BC265313  Penstemon davidsonii var. davidsonii George W. Gillett 1957-7-12 737 Shasta Lassen Volcanic National Park. Summit [margin] of Crescent Crater, in the breach of the crater 2438 Comment
  NY590157  Penstemon davidsonii var. davidsonii A. R. Kruckeberg 1954-8-5 3712 Shasta Along trail to Lassen Peak, from Helen Lake. Lassen Volcanic National Park near summit. 2590.8 Comment
  UC1543826  Penstemon deustus Harold and Virginia Bailey 1948-8-27 2846 Shasta Loop Rd about 3 mi e Manzanita Lake; Lassen Volcanic National Park 1828 Comment
  SEINET12272192  Penstemon deustus Unknown 1993-1 Shasta Sierra Nevada Mountains 1219 Comment
  JEPS9322  Penstemon deustus var. pedicellatus George W. Gillett 1953-7-9 268 Shasta along State Highway 89 ne Lassen Volcanic National Park (Big Springs); , Lassen National Forest 1402 Comment
  NY591824  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-7 25718 Shasta Route 299, 12 miles west of Fall River Mills 1066.8 Comment
  UC1576784  Penstemon filiformis Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10794 Shasta ca 0.4 mi n Gibson Road (exit for road to Highland Lake) (Sacramento River Canyon, Klamath Mountains); Klamath Mountains, Sacramento River Canyon 548 Comment
  NY593758  Penstemon filiformis K. A. Vincent 1987-6-26 4438 Shasta Cascade Range, Sacramento River Canyon. Conifer forest on north side of Shotgun Creek, 0.7 mile northwest of I-5 and Shotgun Creek Road, ca. 2.7 miles north of Gibson. 548.6 Comment
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Feb 3 2016
  NY600743  Penstemon gracilentus W. Hess 1997-7-27 7719 Shasta Lassen National Forest, 3 miles west of St. Highway 89 and 44 Comment
  NY601597  Penstemon heterodoxus var. shastensis H. M. Hall 06 1903 4273 Shasta "Great Spring", Hat Creek, Sierra Nevada Mountains 1371.6 Comment
  RSA113681  Penstemon heterodoxus var. shastensis George Gillet 1953-7-22 291 Shasta Upper King's Creek Meadow 2226 Comment
  UC1036218  Penstemon heterodoxus var. shastensis George W. Gillett 1953-7-22 291 Shasta Upper King's Creek Meadow Lassen Volcanic National Park 2225 Comment
  SEINET4097983  Penstemon laetus var. sagittatus C. Davidson 1975-1 2713 Shasta About 15 miles east of Redding on Highway 44. 510 Comment
  UC696740  Penstemon neotericus Frank W. Peirson 1932-7-14 10219 a Shasta rocky locations on ridge e Lake Eiler (1000-Lake Basin, eastern Shasta County); 1000-Lake Basin, e of Lake Eiler 1950 Comment
  NY605184  Penstemon neotericus G. W. Gillett 1953-7-13 272 Shasta Lassen National Forest; Westwood Junction, Highway 36. 1562.1 Comment
  NY605200  Penstemon neotericus E. K. Balls 1956-6-18 21810 Shasta 1 mile southeast towards Burney from crossroads of State Highway 89 and U.S. Highway 299. 1005.8 Comment
  RSA79099  Penstemon neotericus E. K. Balls, Percy C. Everett 1952-10-14 18196 Shasta Honn Creek Public Camp, Hwy 89, between Mt Shasta and Lassen Peak. 1037 Comment
  HSC25215  Penstemon newberryi Thomas W. Nelson 1971-6-30 489 Shasta Beside Hwy. 44 at entrance to Mt. Lassen National Park Comment
  RSA272557  Penstemon newberryi Porter Lowry 1977-7-6 868 -b Shasta Ca 3 mi east of Viola on State Hwy 44. Comment
  CAS-BOT-BC239313  Penstemon newberryi var. berryi Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  NY627309  Penstemon newberryi var. newberryi W. W. Eggleston 1911-8-2 7491 Shasta Bee Lake, Headwaters of Hat Creek 2210 Comment
  UC1543753  Penstemon newberryi var. newberryi Harold and Virginia Bailey 1948-8-27 2943 a Shasta Lassen Peak trail Lassen Volcanic National Park, Lassen Peak trail 2590 Comment
  UC887188  Penstemon newberryi var. newberryi E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  NY627369  Penstemon newberryi var. newberryi W. C. McCalla 1940-7-3 6309 -a Shasta Southeast of Lassen Peak 2560.3 Comment
  CAS-BOT-BC239614  Penstemon rydbergii var. oreocharis A. H. Kramer 1932-1-1 s.n. Shasta Lassen National Park near Prospect Pk. Comment
  NY661039  Penstemon speciosus subsp. speciosus G. W. Gillett 1953-7-9 270 Shasta Along State Highway 89 northeast of Lassen Volcanic National Park. Near Creek below Big Spring. 1402.1 Comment
  CHSC4035  Pentagramma triangularis Sadie Gualtieri 1967-3-26 Shasta Highway 44 to Lassen Park, at Bear Creek, 15 miles out of Redding, E.; on N. slope, W end of bridge. Comment
  HSC23318  Pentagramma triangularis G. Strausbaugh 1970-3-22 16 Shasta S edge of pond formed at Whiskey Cr. inlet and 15 ft. above water 373 Comment
  JEPS60095  Pentagramma triangularis subsp. triangularis Mrs. C. F. Rose 1935-3-10 Shasta ca. 6 mi n Redding Comment
  UC1036236  Perideridia bolanderi subsp. bolanderi George W. Gillett 1952-8-17 194 Shasta Little Hotsprings Valley Grade 2 mi below Bumpas Hell trail origin; Lassen Volcanic National Park, Lassen Peak Highway 2346 Comment
  RSA702149  Perideridia bolanderi subsp. bolanderi R. Fischer 2004-7-3 292 Shasta Ahjumawi Lave Springs State Park, 3 mi. N. of McArthur, on western edge Modoc Plateau. Located off Spattercone Trail near the tr.loop cross-over. Open volcanic scrubland. 1037 Comment
  CAS-BOT-BC413631  Persicaria amphibia Milo S. Baker 1947-8-13 11988 Shasta In Summit Lake, Mt. Lassen Nat. Park 2042 Comment
  CHSC9249  Petrorhagia dubia G. Strausbaugh 1970-4-26 53 Shasta NW side of Whiskeytown Hwy. beside culvert where Whiskey Creek inlets lake. 370 Comment
  HSC101570  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-7 12843 Shasta Along Fender's Ferry Rd. at bridge across the Sacramento River. 339 Comment
  UC1036297  Phacelia hastata subsp. compacta George W. Gillett 1952-8-2 142 Shasta summit area of Lassen Peak Lassen Volcanic National Park 3154 Comment
  UC1543821  Phacelia hastata subsp. compacta Harold and Virginia Bailey 1948-8-27 2861 a Shasta Badger Flat Lassen Volcanic National Park 1920 Comment
  SD104424  Phacelia heterophylla subsp. virgata Reid Moran 1978-6-25 26094 Shasta West of Little Roaring Creek. 725 Comment
  POM127627  Phacelia heterophylla subsp. virgata Milo S. Baker 1898-7-7 s.n. Shasta Upper Clover Creek. Comment
  POM127049  Phacelia humilis var. humilis Lewis C. Rosenbaum 1916-6-3 s.n. Shasta Castella Comment
  CHSC68718  Phacelia linearis Vernon H. Oswald 1997-5-20 8480 Shasta Big Cave-Popcorn Cave area in BLM Wilderness Study Area in lava beds south of Fall River Mills and 0.2 mi north of Bald Mtn. Rd., 3.6 mi east of Cassel-Fall River Rd. 1173 Comment
  JEPS81032  Phacelia mutabilis J. P. Smith and J. O. Sawyer 1975-6-23 8299 Shasta road to Bully Choop 3.5 mi s State Route 299 at Buckhorn Summit (slopes of bally); Buckhorn Bally 1524 Comment
  UC455958  Phacelia mutabilis I. J. Condit 1911-7-15 Shasta McCloud Comment
  UC726934  Phacelia procera A. A. Heller 1928-7-24 14692 Shasta Butte Meadows Comment
  UC1178991  Phacelia purpusii Herbert L. Mason 1947-7-8 13289 Shasta about 1.5 mi w Burney Comment
  SD71333  Phacelia purpusii C. R. Quick 1964-6-20 64 17 Shasta E. Base of Hatchet Mt. Comment
  UC57528  Phacelia thermalis H. M. Hall and E. B. Babcock June, 1903 4269 Shasta mesas s Fall River Mills (at base of mt.); Sierra Nevada Mountains, Bald Mt. 1066 Comment
  CAS-BOT-BC77401  Philadelphus lewisii Alice Eastwood 1912-7-25 1417 a Shasta Pitt to Baird Comment
  CAS-BOT-BC77406  Philadelphus lewisii Mrs. H. C. Cantelow 1935-6-9 964 Shasta Nr. old town of Shasta Comment
  JEPS28267  Phleum alpinum George W. Gillett 1957-7-3 652 Shasta meadows near road crossing Badger Flat (Lassen Volcanic National Park); , Badger Flat 1905 Comment
  UC820529  Phleum alpinum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CAS-BOT-BC260880  Phleum pratense John Thomas Howell 1960-8-22 36360 Shasta Manzanita Lake, Lassen Volcanic National Park 1783 Comment
  CDA13110  Phlox diffusa G. F. Hrusa, T. D. Wilfred 1996-6-11 13045 Shasta Lassen National Forest; Bunchgrass Valley. USFS S16 approx. 3.5 miles NW of intersection with Hwy 89-44, at intersection with USFS 32N16. Comment
  POM74806  Phlox diffusa subsp. diffusa Marcus E. Jones 1897-7-7 10482 Shasta Lassen's Peak. 1829 Comment
  JEPS28554  Phlox gracilis George W. Gillett 1957-7-9 685 Shasta about 2 mi s Big Springs (confluence of Hat Creek and Lost Creek, n of Lassen Volcanic National Park); Lassen Volcanic National Park, Hat Creek, Lost Creek 1524 Comment
  CHSC68724  Phlox speciosa subsp. occidentalis Vernon H. Oswald 1997-5-20 8478 Shasta Big Cave-Popcorn Cave area in BLM Wilderness Study Area in lava beds south of Fall River Mills and 0.2 mi north of Bald Mtn. Rd., 3.6 mi east of Cassel-Fall River Rd. 1173 Comment
  CHSC9302  Phlox speciosa subsp. occidentalis G. Strausbaugh 1970-4-18 37 Shasta Cutbank on east side Kennedy Memorial Hwy. ca. .5 mi. past Whiskeytown Dam. 377 Comment
  JEPS117874  Phlox speciosa subsp. occidentalis Julie Kierstead Nelson 2006-6-17 2006 -31 Shasta Girard Lookout, 2 miles southwest of Castle Crags 1280 Comment
  UCR84955  Phlox speciosa subsp. occidentalis Walter Wisura 1993-5-9 4889 Shasta Northwest: Hwy 299, 9 mi west of Redding Comment
  UC1078817  Phoradendron densum Job Kuijt 1958-7-13 1520 Shasta ca. 2.2 mi. n. Subway Caves (n. of Lassen Park, along Hwy. 89) Comment
  UCSB23106  Phoradendron leucarpum subsp. tomentosum Simpson, C. 1967-3-25 Shasta Behind 2455 Becon Street, Summit city 274 Comment
  CAS-BOT-BC58804  Phyllodoce breweri Alice Eastwood 1912-8-22 s.n. Shasta Lassen Butte Region - Lassen Butte Comment
  RSA79088  Phyllodoce breweri E. K. Balls, Percy C. Everett, B. K. Balls 1952-10-14 18202 Shasta E. of Summit Pass on Mt. Lassen Peak, Hwy 89. 2287 Comment
  UC1036255  Phyllodoce breweri George W. Gillett 1952-7-15 81 Shasta Lassen Volcanic National Park, lower Twin Lake Twin Lake; Lassen Volcanic National Park, Twin Lake 2011 Comment
  UC1543715  Phyllodoce breweri Harold and Virginia Bailey 1948-8-27 2927 Shasta Lassen Volcanic National Park, Kings Creek near picnic grounds Kings Creek; Lassen Volcanic National Park, Kings Creek 2164 Comment
  UC485739  Phyllodoce breweri H. F. Copeland 1932-8-15 Shasta Mount Lassen, King's Creek Meadow (where the road crosses) King's Creek Meadow; Mount Lassen, King's Creek Meadow 2225 Comment
  UC725859  Phyllodoce breweri A. A. Heller 1941-8-11 16287 Shasta Lassen Volcanic National Park, King Creek Meadow Campground King Creek Meadow Campground; Lassen Volcanic National Park, King Creek Meadow Campground Comment
  RSA1846  Picea engelmannii C. B. Wolf 1930-10-17 1745 Shasta Along Clark Creek 1372 Comment
  NY30142  Picea engelmannii C. B. Wolf 1930-10-17 1745 Shasta This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC813196  Pinus attenuata Louis C. Wheeler 1935-3-31 3411 Shasta delta Sacramento River (Sacramento River, on clay mesa) 396 Comment
  SEINET5461960 Image available Pinus attenuata M. L. Branson 1969-8-6 Shasta Whiskeytown. Comment
  UC1540400  Pinus contorta Calvin McMillan 1950-8-24 1562 Shasta road from Hat Creek to Lassen National Park Comment
  RSA0088654  Pinus monticola Bonnie C. Templeton 1968-6-11 11327 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  CAS-BOT-BC79075  Pinus ponderosa Emily Elu 1981-6-1 s.n. Shasta Parking lot adjacent to fishing area, Lake Britton, McArthur Burney Falls State Park Comment
  CHSC78  Pinus ponderosa K. McKenzie 1928-3-18 Shasta Hatchet Creek Mountain. 1371 Comment
  CAS-BOT-BC136549  Piperia colemanii Alice Eastwood 1912-6-29 931 a Shasta Field redacted by CAS, contact the data manager for more information Comment
  UC725555  Plagiobothrys A. A. Heller 1942-5-3 16440 Shasta just w Oak Comment
  JEPS90186  Plagiobothrys austiniae Dean W. Taylor 1988-3-24 9450 Shasta Sacramento Valley, Millville Plains, bed of Dry Creek Dry Creek; Sacramento Valley, Millville Plains, bed of Dry Creek 134 Comment
  JEPS98905  Plagiobothrys bracteatus Carol Witham 1993-6-23 508 Shasta 300 m N of W end of Brown Rd. (near crossing of PG&E gas pipeline); Fall River valley 1097 Comment
  CHSC84087  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart; John Dittes 2003-5-12 10140 Shasta Vernal pool, pasture field, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  SEINET3449093  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart, John Dittes 2003-5-12 10140 Shasta Cottonwood, Cottonwood, about 12 air miles east/northeast, 2.8 air miles west/southwestof Darah Springs State Fish Hatchery, about 0.25 miles south of the Coleman Canal, about 250 yards south of the barn 260 Comment
  CHSC105705  Plagiobothrys greenei Julie Kierstead Nelson 2005-5-2 2005 -005 Shasta Floodplain of Stillwater Creek, Encanto Way, 8 miles NE of Redding. 182 Comment
  CDA13552  Plagiobothrys hispidulus G. F. Hrusa, T. D. Wilfred 1996-7-22 13378 Shasta Lassen National Forest; USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. Comment
  CAS-BOT-BC230995  Plagiobothrys hispidulus George W. Gillett 1957-7-4 654 Shasta Lassen Volcanic National Park. Manzanita Lake, margin on SE shoreline, about 200 yards W of Sunset Campground 1783 Comment
  RSA767677  Plagiobothrys shastensis Julie Nelson 2005-5-2 2005 -004 Shasta Floodplain of Stillwater Creek, Encanto Way, 8 miles northeast of Redding 183 Comment
  JEPS104195  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2003-5-12 10141 Shasta Vernal pool, pasture field, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  CHSC93274  Plagiobothrys tenellus R. Fischer 2005-4-20 646 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Mature plants collected from the open grassy slopes about camp 7. 1013 Comment
  HSC49791  Plagiobothrys tenellus J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9851 Shasta 1 mi. N of bridge over Brown's Creek on County Line Rd. 671 Comment
  HSC85963  Plagiobothrys tenellus J. P. Smith, J. O. Sawyer 1982-5-9 10407 Shasta Lewiston Turnpike, 0.1 mi. from its junction with Hwy. 299 610 Comment
  HSC62907  Plantago coronopus J. M. DiTomaso 1979-5-11 953 Shasta Carr Powerhouse Rd. at Crystal Creek Conservation Camp, W of Whiskeytown Lake 412 Comment
  CHSC84065  Plantago elongata Lowell Ahart; John Dittes 2003-5-12 10158 Shasta In a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC78087  Plantago erecta Terry Nelson 1998-4-18 240 -6 Shasta On a flat field 6 mi e of Cottonwood. 1 mi e of the Sacramento River and 60 ft. n of Battle Creek. 131 Comment
  RSA293180  Plantago erecta James Payne Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9652 Shasta County road A16, 4 miles from its junction with State Route 36. 732 Comment
  UCD14427  Plantago lanceolata R. M. Rhode 1984-5-26 s.n. Shasta Shasta County; along Salt Creek Road and Interstate 5; 373 Comment
  UC845540  Platanthera sparsiflora E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  POM260161  Plectritis macrocera subsp. grayi C. Leo Hitchcock 1940-5-24 6551 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  POM100273  Poa bolanderi Marcus E. Jones 1897-7-7 11182 Shasta Lassen's Peak. 1829 Comment
  UC1543778  Poa bolanderi Harold and Virginia Bailey 1948-8-27 2903 Shasta Hat Creek Rd to Badger Flat; Lassen Volcanic Nat'l Park 1920 Comment
  UC1543787  Poa bolanderi Harold and Virginia Bailey 1948-8-27 2903 b Shasta Hat Creek Rd to Badger Flat; Lassen Volcanic Nat'l Park 1920 Comment
  UC1543788  Poa bolanderi Harold and Virginia Bailey 1948-8-25 3025 Shasta Summit Lake; Lassen Volcanic Nat'l Park 2040 Comment
  HSC100059  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-8 12858 Shasta Roadside W of Wildwood 958 Comment
  HSC72270  Poa bulbosa J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-8 9641 Shasta Beegum Creek at Beegum Campground. 610 Comment
  UCD90840  Poa compressa Beecher Crampton 1954-7-9 2201 Shasta 1.8 miles west of Burney, along US highway 299. 914 Comment
  UCR132249  Poa compressa Beecher Crampton 1954-7-9 2201 Shasta Shasta National Forest, 1.8 miles west of Burney, along Hwy. US-299 1006 Comment
  CAS-BOT-BC255136  Poa cusickii subsp. epilis Gillett; Hans Leschke 1957-7-13 s.n. Shasta Below Sifford Lakes, on direct route to Devil's Kitchen Comment
  UCR64588  Poa nervosa A. A. Beetle 1941-6-30 2848 Shasta Lassen National Forest, Banks of Hat Creek 1220 Comment
  CAS-BOT-BC255919  Poa nervosa John Thomas Howell 1960-8-19 36183 Shasta Summit ridge, Brokeoff Mt., Lassen Volcanic National Park 2773 Comment
  CAS-BOT-BC255920  Poa nervosa John Thomas Howell 1961-6-20 36542 Shasta Lassen Highway 1 mi. NW of Lost Creek Bridge, Lassen Volcanic National Park 1798 Comment
  JEPS28290  Poa pringlei George W. Gillett 1957-7-12 732 Shasta Lost Creek below Crescent Crater; Lassen Volcanic Nat'l Park, Lost Creek 1981 Comment
  CAS-BOT-BC255239  Poa pringlei Hans Leschke 1959-8-10 1664 Shasta Above Soda Lake, Lassen Volcanic National Park 2514 Comment
  UCD90321  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-29 3356 Shasta 12 miles E of Burney. Miocene volcanics. Comment
  UC1037130  Poa secunda subsp. juncifolia Leo Whitney 1935-6-14 3242 Shasta 13 mi n Lassen Peak (Logan Mt); Lassen Nat'l Forest 1981 Comment
  SJSU1589  Poa secunda subsp. juncifolia C. W. Sharsmith 1954-6-23 6174 Shasta near Subway Caves Comment
  CDA12923  Poa secunda subsp. secunda G. F. Hrusa 1996-5-2 12864 Shasta Lassen National Forest; Rhizomatous perennial in catchments within basalt cliffs, in light shade approx. 1/2 mile S of Old Station Trailer Park along Hwy 44-89. Occasional. Comment
  UC820825  Poa secunda subsp. secunda Alice Eastwood Jun 29 1912-Jul 11 1912 921 Shasta Goose Valley Comment
  CAS-BOT-BC244266  Podagrostis humilis Bailey, H. & V. 1948-8-27 s.n. Shasta Lassen Volcanic National Park. King's Creek Meadow 2164 Comment
  UC1587082  Pogogyne floribunda Schoolcraft et al 1991-7-9 2176 Shasta N of Greenplace Reservoir 3 mi S of Day CA 1051 Comment
  CHSC54483  Polemonium californicum Vernon H. Oswald 1991-7-22 4761 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.75 mile east of the park boundary, ca. 3 miles (air) west-southwest of Lassen Peak. In woods bordering the north side of the North Fork of Bailey Creek. 2023 Comment
  CHSC54484  Polemonium californicum Vernon H. Oswald 1991-7-22 4761 .1 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.8 mile east of the park boundary, ca. 3 miles (air) west-southwest of Lassen Peak. On slope between Blue Lake and the unnamed lake to the west. 2048 Comment
  JEPS8316  Polemonium californicum George W. Gillett 1953-7-23 293 Shasta in the blasted area above Hat Lake Hat Lake (near Hat Creek); Lassen Volcanic National Park, , nr Hat Creek 1973 Comment
  POM64900  Polemonium pulcherrimum Copeland 1903-7-16 3515 Shasta Mt. Shasta 3171 Comment
  RSA125592  Polemonium pulcherrimum Arthur R. Kruckeberg 1954-8-5 3706 Shasta Along trail to Lassen Peak, from Helen Lake. Lassen Volcanic National Park, near summit. 2591 Comment
  UC1036210  Polemonium pulcherrimum var. pilosum George W. Gillett 1953-7-16 278 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit Lassen Peak (near summit, Lassen Volcanic National Park) 2895 Comment
  CAS-BOT-BC170316  Polygala cornuta var. cornuta Ynez Whilton Winblad 1941-7-1 s.n. Shasta Between Dunsmuir and Redding Comment
  CAS-BOT-BC170318  Polygala cornuta var. cornuta Mary Strong Clemens 1920-7-29 s.n. Shasta Castella Comment
  UC1567449  Polygala cornuta var. cornuta G. Schoolcraft 1989-9-19 2009 Shasta within crater n Fall River Mills; Timbered Crater 1158 Comment
  JEPS50494  Polygonum amphibium var. stipulaceum W. L. Jepson 1929-9-20 15331 Shasta Manzanita Lake 1828 Comment
  CAS-BOT-BC414275  Polygonum aviculare subsp. depressum Alice Eastwood 1912-6-29 1019 Shasta Goose Valley Comment
  JEPS91064  Polygonum bidwelliae Dean Wm. Taylor with Glenn Clifton 1990-6-11 10848 Shasta 2.5 air mi nw of Shingletown (Northern Sacramento Valley, at s base of Di Hill, along right of way of Pacific Gas Pipeline); Northern Sacramento Valley, Di Hill 670 Comment
  JEPS91063  Polygonum californicum Dean Wm. Taylor with Rexford E. Palmer 1988-5-29 9689 Shasta Woodman Creek along Highway 299 1.2 mi e from crossing of Salt Creek (Upper Sacramento Valley); , Woodman Creek 192 Comment
  RSA176416  Polygonum californicum A. A. Heller 1927-9-10 14472 Shasta 3 miles NE of Redding. Comment
  JEPS125879  Polygonum californicum D. W. Taylor 1996-6-16 15671 Shasta Shasta-Trinity National Forest. Pit River Canyon, on W rim Montgomery Creek, ca 2 air miles W of town of Montgomery Creek. Comment
  RSA79091  Polygonum davisiae E. K. Balls 1952-10-14 18205 Shasta Summit Pass, Lassen Peak, Hwy 89. 2595 Comment
  SEINET3086906 Image available Polygonum davisiae Marc Mittleman 230 a Shasta Lassen Volcanic Park, No. Calif. at picnic area. Comment
  UC604407  Polygonum davisiae Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada 2743 Comment
  RSA65931  Polygonum davisiae F. W. Peirson 1926-6-23 6841 Shasta Trail to summit of Lassen Peak, Lassen National Park Comment
  JEPS91182  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1974-6-13 3702 Shasta along Highway 1.5 miles NE of 89 at crossing of Pit River, at Lake Britton 914 Comment
  UC6680  Polygonum douglasii subsp. spergulariiforme Brewer 1365 Shasta Upper Sacramento Comment
  SEINET3160355  Polygonum kelloggii L. S. Rose 1940-6-11 40494 Shasta Fall River Mills 1006 Comment
  CAS-BOT-BC418617  Polygonum majus Alice Eastwood 1912-7-24 1382 Shasta Castella Comment
  CAS-BOT-BC419842  Polygonum parryi Alice Eastwood 1912-6-29 s.n. Shasta Goose Valley Comment
  JEPS100763  Polygonum persicaria Dean W. Taylor 1999-8-13 17340 Shasta fen in the Pit River Canyon about 4 miles Southeast from Big Bend and 0.6 miles WNW of Bee Knoll 701 Comment
  UCD100611  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1960-8-23 36440 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley. 2407 Comment
  SEINET8476875  Polygonum sawatchense subsp. sawatchense D. W. Taylor 2012-7-18 21291 Shasta Trinity Mountains, saddle between Chicken Hawk Hill and Rattlesnake Hill at summit of Forest Road 38N21 1814 Comment
  UC1191248  Polygonum sawatchense subsp. sawatchense Herbert L. Mason and Verne Grant 1947-7-9 13288 Shasta Hwy 299 just e Hatchet Creek summit 1219 Comment
  HSC17534  Polygonum shastense D. E. Anderson 1962-8-5 2297 Shasta Near ski lodge on Mt. Shasta 2348 Comment
  UC1543750  Polygonum shastense Harold and Virginia Bailey 1948-8-27 2950 b Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park 2590 Comment
  UC604408  Polygonum shastense Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada 2682 Comment
  CAS-BOT-BC421053  Polygonum spergulariiforme Mrs. H. C. Cantelow 1940-5-30 s.n. Shasta 5 4/10 miles east of Burney Comment
  UC1132896  Polypogon maritimus C. J. Kraebel 1934-5-5 12 Shasta Mouth of Squaw Creek; Redding Quadrangle Comment
  UCD91199  Polypogon maritimus John Thomas Howell 1955-6-14 30431 Shasta East of Whiskeytown. Comment
  UC585511  Polypogon monspeliensis Virginia Long 1931-5-22 68 a Shasta about three mi w Anderson (Happy Valley (on Stewart Ranch)); Happy Valley Comment
  UCD80603  Polypogon monspeliensis CNPS SN Foothill Team 2006-5-15 SNFN 0306 Shasta Shasta Land Trust Easement, Cow Creek Ranch, 30 m to the NE of its companion plot. 457 Comment
  UCD91284  Polypogon monspeliensis Beecher Crampton 1956-8-20 3790 Shasta Castle Crag, at junction of Dome Creek and Sacramento River. 640 Comment
  CAS-BOT-BC76720  Polystichum lemmonii Lester Rowntree 1936-7-12 s.n. Shasta Trinity Mts. - Granite Creek to Divide Comment
  CAS-BOT-BC452100  Potamogeton amplifolius Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-21 42372 Shasta Lassen Volcanic National Park: water of Reflection Lake 1813 Comment
  CDA37264  Potamogeton crispus B. Villegas 2008-7-1 s.n. Shasta Cassel; Hat Creek Power House #2; in fast water riffles. Comment
  CHSC58036  Potentilla breweri V. Oswald; G. Gray, S. Mitchelson, S. Rosas 1992-6-4 4979 Shasta Lassen Volcanic National Park. Badger Flat near the intersection of Old Emigrant Trail and the trail to Cluster Lakes. Edge of meadow. 1905 Comment
  UC1391905  Potentilla flabellifolia R. M. Brown 1955-9-14 Shasta Upper Kings Creek Meadows Lassen Volcanic National Park, Upper Kings Creek Meadows Comment
  UC1558198  Potentilla flabellifolia Harold and Virginia Bailey 1948-8-27 2937 b Shasta Upper Kings Creek Meadow Lassen Volcanic National Park 2225 Comment
  RSA85746  Potentilla flabellifolia F. W. Peirson 1932-7-15 10167 Shasta Wet margin of lake of lake on west slope of Mt. Magee, Thousand-Lake Basin 2195 Comment
  CHSC89696  Potentilla glandulosa subsp. glandulosa R. Fischer; J. Marr 2004-5-26 403 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected along N shore of Big Lake, E side. 1010 Comment
  CDA36835  Potentilla gracilis CDFA Staff 1999-6-1 s.n. Shasta Lava Creek Lodge, near Eastman Lake. 0 Comment
  CHSC93284  Potentilla gracilis var. fastigiata R. Fischer 2005-7-15 544 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected near water edge of Ya-She Pond. 1007 Comment
  UC170369  Proboscidea jussiaei Wyatt W. Jones 1910-7-27 Shasta Near Redding Comment
  CAS-BOT-BC508648  Prosartes hookeri Alice Eastwood 1912-6-29 947 Shasta Goose Valley Comment
  SEINET10498340  Prunella vulgaris Jeffrey Huber 1971-6-10 Huber 296 Shasta 15 mi s of weed on i-5. Comment
  SFV10440  Prunella vulgaris var. lanceolata M. L. Vincent 1963-6-7 387 Shasta 2 miles south of Shasta Dam. 245 Comment
  CAS-BOT-BC158194  Prunus emarginata John Thomas Howell 1960-8-22 36346 Shasta Manzanita Lake 1783 Comment
  SJSU522  Prunus subcordata G. Witherspoon 1940-6-26 2102 Shasta 1.75 mi N of Maahcooatche,Lassen National Forest 1524 Comment
  SEINET10541555  Prunus virginiana Worley 1985-5-12 WORLEY 77 Shasta T29n,r8w,sec.1. H.m. 2.5 Miles e of platina. Co road a16. Ravine with Calycanthus, prunus, fraxinus 579 Comment
  CAS-BOT-BC156381  Prunus virginiana var. demissa F. Almeda; R. Eisenhardt 1995-5-29 7403 Shasta Willow Creek Ranch about 6.8 miles south of the intersection of Calif. State Rd. #89 and Squaw Valley Rd. in McCloud 883 Comment
  CAS-BOT-BC156392  Prunus virginiana var. demissa C. L. Hitchcock 1940-5-23 6510 Shasta Ca. 1/4 mile south of Burney Falls Comment
  CHSC89708  Prunus virginiana var. demissa R. Fischer; J. Marr 2004-5-24 389 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located off Spatter Cone Trail. 1051 Comment
  JEPS44716  Prunus virginiana var. demissa C. F. Rose 1935-5-13 55 Shasta 20 mi nw of Redding Comment
  UCD113530  Prunus virginiana var. demissa G. F. Hrusa 1992-5-1 10429 Shasta along Pit River, approximately 1 m. downstream from Pit 1 powerhouse. Comment
  HSC22033  Prunus virginiana var. demissa Richard Spjut 1971-5-20 1907 Shasta 2 mi. S of French Gulch up to 2500 ft. ele. along hwy. from French Gulch to Trinity Center Comment
  LA29321  Prunus virginiana var. demissa C. Epling; William Robison 1935-7-17 s.n. Shasta Lassen Park, Near Lava Tube. Comment
  JEPS104356  Pseudognaphalium stramineum Lowell Ahart 2003-5-22 10209 Shasta East side of a wash, w of the poor dirt road, ca 150 yd south of the Coleman Canal, ca 1 1/8 mi w of the barn, 4 mi (air) wsw of Darah Springs State Fish Hatchery, ca 11 mi (air) ene of Cottonwood. 259 Comment
  CHSC93107  Pseudoroegneria spicata subsp. spicata R. Fischer 2005-7-22 470 Shasta McArthur. Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc plateau. Plants growing along main park road between Crystal Springs and Ya-She. 1008 Comment
  SEINET10530924  Pseudotsuga menziesii Mary Susan Taylor 1980-7-31 Taylor 3197 Shasta T36N R6W ne sec 22, Schell Mt quad. Shasta-Trinity Natl Forest, on E side of rd 36N73, ca. 1 mi W of its jct with 33N07, ca. 0.7 mi N of Damnation Peak, ca. 12 mi E of Lamoine on I5. 1372 Comment
  RSA791236  Pseudotsuga menziesii var. menziesii K. M. Meyer, A. Townesmith 2007-7-25 159 Shasta Shatsa-Trinity National Forest. 6.6 mi west of State Route 299, on Fender s Ferry Road. (FS Rd. 34N17). 503 Comment
  CHSC68713  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald 1997-5-20 8472 Shasta BLM Wilderness Study Area south of Fall River Mills on Bald Mtn. Rd., 1.5 mi east of Cassel-Fall River Rd., west edge of lava beds. 1082 Comment
  JEPS40474  Psilocarphus brevissimus var. brevissimus W. L. Jepson 1914-8-10 5761 Shasta Upper Fall River Valley, ne Shasta County Upper Fall River Valley 1036 Comment
  JEPS40495  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1937-5-19 2276 Shasta 4 mi e Redding Comment
  JEPS104003  Psilocarphus chilensis Lowell Ahart 2003-5-12 10138 Shasta about 350 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood Comment
  CDA13551  Psilocarphus oregonus G. F. Hrusa, T. D. Wilfred 1996-7-22 13377 Shasta Lassen National Forest; USFS S16 in Bunchgrass Valley, approx. 4 m. W of Hwy 89. Comment
  HSC85956  Psilocarphus tenellus J. P. Smith, J. O. Sawyer 1982-5-9 10400 Shasta Lewiston Turnpike, 0.1 mi. from its junction with Hwy. 299 610 Comment
  CHSC84084  Psilocarphus tenellus var. globiferus Lowell Ahart; John Dittes 2003-5-12 10138 Shasta Pasture field, about 350 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  RSA27316  Ptelea baldwinii subsp. crenulata C. Leo Hitchcock 1940-5-20 6506 Shasta 25 miles east of Redding. Comment
  CAS-BOT-BC146416  Ptelea crenulata C. H. M. 1907-9-5 s.n. Shasta Little Cow Creek below Ingot Comment
  CAS-BOT-BC146418  Ptelea crenulata L. E. Smith 1913-5-28 303 Shasta Pitt River Comment
  CAS-BOT-BC146423  Ptelea crenulata Alice Eastwood 1912-7-26 1424 Shasta Kennet Comment
  CAS-BOT-BC72678  Pteridium aquilinum Alice Eastwood 1912-6-29 986 Shasta Goose Valley Comment
  CAS-BOT-BC72676  Pteridium aquilinum W. B. C. 1938-9-2 11589 Shasta Along Sisson Southern Trail 1371 Comment
  CAS-BOT-BC72680  Pteridium aquilinum H. E. Brown 1897-5-15 272 Shasta near Pit River Ferry 274 Comment
  RSA749766  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-6-10 14936 Shasta Alvord Road, 0.2 mile south of its junction with CA-44, junction is 1.1 miles east of Shingletown 938 Comment
  CAS-BOT-BC460539  Pterospora andromedea Alice Eastwood 1912-6-29 853 Shasta Goose Valley Comment
  UC57359  Pteryxia terebinthina var. californica H. M. Hall and E. B. Babcock June 1903 4230 Shasta Lava beds of North-Eastern Shasta County 1219 Comment
  UCD92325  Puccinellia John Thomas Howell 1954-4-26 29177 Shasta West of Tower House, about 6 miles west of Whiskeytown. Comment
  NY431436  Puccinellia howellii J. I. Davis 1988-7-26 526 Shasta Whiskeytown-Shasta-Trintiy National Recreation Area, Whiskeytown Unit, ca. 0.8 mile west of Tower House, north side of Willow Creek at junction of Cal. Hwy. 299 with Crystal Creek Road Comment
  HSC89759  Puccinellia howellii Craig Martz 1988-6-14 274 Shasta N side of Willow Creek at Junction of Hwy. 299 & Crystal Creek Road (0.8 mile NW of Tower House) 415 Comment
  JEPS122374  Purshia tridentata Joseph Broberg, Jaycee Leonard 2012-7-16 CA 320 -109 Shasta From Alturas, CA take highway 299 South West towards Nubieber. After Nubieber turn left at American flag into Muck Valley Allotment. Drive 2.3 miles on Muck Valley Road. Collection is on both sides of the road Comment
  HSC75068  Pyrola dentata J. P. Smith, Thomas W. Nelson 1978-7-23 10062 Shasta Bully Choop Rd., 5.6 mi from its junction with County Rd. A16 1372 Comment
  HSC41142  Pyrola picta Thomas W. Nelson, Jane Nelson 1976-8-2 3095 Shasta Along Hwy. 44, 7.2 mi. E of Shingletown. Comment
  CAS-BOT-BC50391  Pyrrocoma carthamoides var. cusickii Alice Eastwood; John Thomas Howell 1940-6-11 s.n. Shasta Near Fall River Mills Comment
  UC852296  Quercus X morehus C. L. Hitchcock 1940-5-25 6588 Shasta below Pit Dam (2 mi w of Fall River Mills); Power Plant 1341 Comment
  UCD47006  Quercus X morehus Frank T. Callahan II 1983-11-19 s.n. Shasta California, Shasta County: Gibson, 1/4 mile south of Highland Lakes Road, under power transmission lines, land owned by southern Pacific Railroad. 609 Comment
  CAS-BOT-BC68626  Quercus chrysolepis Wm. Bridge Cooke 1940-7-27 15197 Shasta Mount Shasta, along the old Hotlum Road 1371 Comment
  CAS-BOT-BC68636  Quercus chrysolepis Carl B. Wolf 1930-10-14 1743 Shasta 1 mile below Ingot on the Redding to Alturas Highway 304 Comment
  CAS-BOT-BC68633  Quercus chrysolepis E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  RSA67254  Quercus douglasii P. A. Munz 1951-9-15 16992 Shasta 12 miles west of Redding. 610 Comment
  UC1181946  Quercus douglasii J. I. Mallory 1960-10-26 197 Shasta 1 mi nnw Pit No. 1 Power House 963 Comment
  UC61645  Quercus douglasii Geo. B. Grant Sep 1902 5265 Shasta Redding Mount Shasta 0 Comment
  CSUSB839  Quercus garryana Michele Hill, Jack Hill 1973-7-8 Shasta Roadside, Highway 299, 7 miles west of Whiskey town Lake 914 Comment
  UCD14006  Quercus garryana John M. Tucker 1968-9-14 4140 -7 Shasta California, Shasta Co.; beside California Highway 89, 4.2 mi. south-southeast of its junction with U.S. Highway 299; Comment
  UCR3806  Quercus garryana Frank C. Vasek 1964-8-7 640807- 11 Shasta Calif. Hwy 89, 13 mi SSW of the entrance to McArthur-Burney Falls State Park Comment
  CDA21917  Quercus garryana J. M. Tucker 1968-9-14 4140 -5 Shasta Beside CA Hwy 89, 4.2 mi. S-SE of junction with U.S. Hwy 299. Comment
  POM266352  Quercus garryana var. breweri J. C. Roos 1939-7-6 1516 Shasta Hills north of Redding. 1372 Comment
  RSA30400  Quercus garryana var. garryana A. A. Heller 1916-7-23 12496 Shasta Between the McCloud and Sacramento rivers along the highway grade. Comment
  POM315913  Quercus garryana var. garryana Patricia Wilder 1965-9-30 4220 Shasta Cassel Rd., NE of junction with Calif. State Hwy 89 and U. S. 299. 1067 Comment
  UCD14009  Quercus garryana var. semota John M. Tucker 1968-9-14 4140 -10 Shasta California, Shasta Co.; beside California Highway 89, 4.2 mi. south-southeast of its junction with U.S. Highway 299; Comment
  HSC98271  Quercus kelloggii J. K. Clark 1964-3-25 Shasta In back of 1522 Ridge Dr., Redding 174 Comment
  UCD46657  Quercus kelloggii Robert C. Burness 1970-5-20 46 Shasta Along lake shore, 1.5 miles into Mc Arthur Burney Falls State Park at Lake Britton, Highway 89, Shasta County, California. 762 Comment
  UCD166581  Quercus lobata Dylan O. Burge 2016-2-25 2094 Shasta Cottonwood. 165 Comment
  RSA134868  Quercus wislizeni var. frutescens Percy C. Everett, E. K. Balls 1959-10-22 23919 Shasta 3.3 miles southeast from Shasta City along U. S. Highway 299 from Redding. 76 Comment
  SEINET10536219  Ranunculus W. D. Stevens 1985-4-25 Stevens 23560 Shasta along Deschutes Road; chapparral with scattered digger pine Comment
  UC54281  Ranunculus alismifolius var. alismellus H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4307 Shasta Mill Creek Canyon Mount Lassen 2438 Comment
  UC725856  Ranunculus alismifolius var. alismellus A. A. Heller 1941-8-11 16286 Shasta King Creek Meadow camp ground Lassen Volcanic National Park Comment
  CAS-BOT-BC379426  Ranunculus alismifolius var. alismellus Roxana Ferris; Laura Lorrains 1941-8-10 10450 Shasta Lassen National Park, upper meadows of Kings Creek 2240 Comment
  POM203395  Ranunculus alismifolius var. alismellus F. W. Peirson 1932-7-13 10148 Shasta Thousand-Lake Basin 1951 Comment
  CDA37309  Ranunculus aquatilis B. Villegas 2008-7-11 s.n. Shasta Hat Creek, southwest of Old Station, between McElroy Road & Sugar Loaf Lane, along California Scenic Highway 89/44. 0 Comment
  CHSC96288  Ranunculus aquatilis var. capillaceus R. Fischer 2006-7-22 923 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the moist meadow and water edge of Bowman ditch. South side of park road and west side of ditch. 1010 Comment
  UC54283  Ranunculus aquatilis var. capillaceus H. M. Hall and E. B. Babcock June, 1903 4268 Shasta Hat Creek Sierra Nevada Mountains (e Shasta Co.) 1341 Comment
  CAS-BOT-BC379075  Ranunculus aquatilis var. diffusus Ella Dales Cantelow 1939-6-10 2582 Shasta 11 mi south of McCloud Jct., Burney-Redding-Alturas Key Comment
  CHSC95141  Ranunculus californicus var. californicus R. D. Fischer 2005-4-14 861 Shasta McArthur. Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along Rat Farm Road ca. 2 miles north of McArthur on meadowland adjacent to the old McArthur Swamp. 1011 Comment
  CAS-BOT-BC6142  Ranunculus canus var. canus Amos Arthur Heller 1905-5-31 7912 Shasta Near Middle Creek Station Comment
  NY353472  Ranunculus longilobus A. A. Heller 1905-5-31 7912 Shasta One mile back of Middle Creek Station, near Keswick Comment
  UCD96229  Ranunculus muricatus V. C. Bryant 1936-4-14 s.n. Shasta Redding. Comment
  CHSC9476  Ranunculus occidentalis var. occidentalis G. Strausbaugh 1970-3-29 20 Shasta N bank of Whiskey Creek ca. 15 ft. above water's edge and ca. 25 yds. n of culvert where inlets to lake. 373 Comment
  HSC49826  Ranunculus occidentalis var. occidentalis J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9817 Shasta Road to Deer Lick Springs, 0.2 mi. from its junction with Hwy. 36 854 Comment
  NY1104522  Ranunculus populago R. M. Austin 07 1879 s.n. Shasta Lassen's Peak Comment
  CHSC96280  Ranunculus repens var. repens R. Fischer 2006-7-23 932 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected on a moist, grassy slope adjacent a conic depression pond near the lower and western edge of Big Lake. 1008 Comment
  CHSC538  Raphanus raphanistrum P. Delaplane 1965-4-3 61 Shasta Ca 4 mi SW of Bella Vista on Bella Vista cut-off. 762 Comment
  CAS-BOT-BC74198  Raphanus raphanistrum L. E. Smith 1913-5-19 s.n. Shasta Anderson. Comment
  POM246498  Rhamnus californica subsp. occidentalis Carl B. Wolf 1934-7-7 6033 Shasta W side of Sacramento River, 0.8 miles N of Mears Creek. 610 Comment
  POM246497  Rhamnus rubra Carl B. Wolf 1934-7-7 6034 Shasta W side of Sacramento River, 0.8 miles N of Mears Creek. 610 Comment
  UC1543757  Rhamnus rubra Harold and Virginia Bailey 1948-8-27 2851 Shasta about 3 mi e Manzanita Lake; Lassen Volcanic National Park 1828 Comment
  UC592955  Rhamnus rubra Carl B. Wolf 1930-10-19 Shasta 2 mi from C. W. Hill Farm at Dana (on Old Stage Rd to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  JEPS32565  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1934-7-7 Shasta 13 mi above Redding (on Pacific Highway) 243 Comment
  JEPS757  Rhamnus tomentella subsp. tomentella J. W. Blankinship 1909-9-14 Shasta Redding Comment
  POM243753  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1934-7-7 6036 Shasta 13 miles above Redding on Pacific Hwy. 244 Comment
  UC1121763  Rhamnus tomentella subsp. tomentella P. L. Johannsen 1932-6-10 118 Shasta Cow Creek Redding Quad. 426 Comment
  CDA38871  Rhododendron neoglandulosum T. C. Fuller 1963-6-1 10614 Shasta Iron Mtn. Rd., 0.4 miles below Iron Mtn. School, northwest of Redding. 0 Comment
  CDA38872  Rhododendron neoglandulosum T. C. Fuller 1963-6-1 10614 Shasta Iron Mtn. Rd., 0.4 miles below Iron Mtn. School, northwest of Redding. 0 Comment
  CAS-BOT-BC200742  Rhus aromatica Carl B. Wolf 1941-7-25 11068 Shasta 6 mi. N. of Hat Creek Ranger Sta. on Calif. Highway #89 944 Comment
  UC1130572  Rhus trilobata H. R. Josephson 1933-6-21 23 Shasta Whiskytown 457 Comment
  CAS-BOT-BC108756  Ribes cereum C. Hart Merriam 1925-8-28 s.n. Shasta Hat Creek near Cassel. Comment
  HSC49785  Ribes inerme J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9827 Shasta Deer Lick Springs Rd., 2 mi. from its junction with Hwy. 36 915 Comment
  CHSC58031  Ribes inerme var. inerme Vernon H. Oswald 1992-5-25 4950 Shasta Lassen Volcanic National Park. Hat Creek on the E side of the Old Emigrant Trail, ca. 1.3 mi (air) NNE of the Hat Creek Bridge on Lassen Hwy. 1901 Comment
  UCR139088  Ribes inerme var. inerme T. Gedik, T. Heinz, R. Siegle 1996-4-20 43 Shasta Basin Gulch campground in Harrison Gulch, 1.6 mi from Hwy 36 on Stuart Gap Road 762 Comment
  SBBG127288  Ribes inerme var. inerme A. Baniaga 2011-7-12 448 Shasta Hat Crk, at Twin Bridges Cmpgrd, Lassen Nat Forest; W Prospect Peak quadrangle 1460 Comment
  CAS-BOT-BC168852  Ribes inerme var. klamathense C. L. Hitchcock 1940-5-24 6559 Shasta On Hat Creek, ca. 20 miles west of Fall River Mills Comment
  JEPS49417  Ribes inerme var. klamathense Franklin P. Nutting 1894-5-26 Shasta Goose Valley Comment
  UC60929  Ribes inerme var. klamathense Geo. B. Grant Sept. 1902 5286 Shasta Redding Mount Shasta 0 Comment
  UC1543692  Ribes montigenum Harold and Virginia Bailey 1948-8-26 2839 Shasta Manzanita Lake near campgrounds Lassen Volcanic National Park Comment
  UCSB24232  Ribes montigenum Bell, David 1966-6-21 Shasta Edge of Clear Lake; 14 miles SE from park entrance via St. 89; Lassen National Park 2011 Comment
  JEPS117853  Ribes nevadense Julie Kierstead Nelson 2006-6-16 2006 -22 Shasta Girard Lookout, 2 miles southwest of Castle Crags 1463 Comment
  SD53057  Ribes roezlii Peter H. Raven 1962-5-30 17906 Shasta State Highway 89, 1.6 miles north of Burney Falls State Park. Comment
  UCD123154  Ribes roezlii var. roezlii Ellen Dean; K. Mawdsley, M. Starbuck,M. Luzan Anzola, P. Berry 2012-6-24 7404 Shasta Along Hwy 44, ca. 10 miles E of Shingletown. North and south sides of road. 1225 Comment
  CAS-BOT-BC186272  Ribes roezlii var. roezlii Hans Leschke 1960-8-8 1739 Shasta Below trail Ski Hut - Crumbaugh Lake, Lassen Volcanic National Park 1981 Comment
  RSA0020913  Ribes viscosissimum F. W. Peirson 1932-7-10 10158 Shasta Thousand-Lake Basin. 1951 Comment
  CHSC93273  Rigiopappus leptocladus R. Fischer 2005-4-20 647 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur on the western edge of the Modoc Plateau. Plants collected off Juniper Trail 300 yds north-east of camp 7 in YPF. 1021 Comment
  UC1537363  Rigiopappus leptocladus Gordon H. True Jr. 1938-5-23 923 Shasta near Lake Britton 853 Comment
  CAS-BOT-BC146871  Rosa rubiginosa L. E. Smith 1913-8-17 528 Shasta Lewiston Comment
  CAS-BOT-BC148262  Rosa woodsii var. ultramontana Alice Eastwood 1912-6-29 992 Shasta Goose Valley Comment
  HSC27367  Rubus laciniatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-21 19090 Shasta Along Hwy. 44, about 2 mi. W of Shingletown Comment
  RSA134776  Rubus laciniatus Percy C. Everett, E. K. Balls 1959-10-21 23915 Shasta Hwy 44. Shingletown. Comment
  RSA750222  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2009-6-10 14933 Shasta along CA-44, 1.2 miles west of Shingletown 936 Comment
  CAS-BOT-BC148362  Rubus leucodermis E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  CAS-BOT-BC363143  Rudbeckia californica Louis C. Wheeler 1952-9-23 6954 Shasta Castle Crag, south side Comment
  CHSC9217  Rumex acetosella G. Strausbaugh 1970-6-21 120 Shasta Near Summit of Buckhorn Bally ca. 5.1 mi. from U. S. Hwy. 299W 19.5 mi. e of Douglas City. 1463 Comment
  JEPS28525  Rumex acetosella George W. Gillett 1957-7-3 640 Shasta Badger Flat Lassen Volcanic National Park 1905 Comment
  CAS-BOT-BC422217  Rumex acetosella Mrs. D. B. McAllister 1918-4-29 49 Shasta Ydalpom Comment
  CDA2859  Rumex kerneri G. D. Barbe 1980-6-5 2811 Shasta East of Interstate 5 frontage road, south of Churn Creek Road exit; south of Redding. Comment
  CAS-BOT-BC95306  Sagina saginoides Lewis S. Rose 1945-9-1 45193 Shasta Manzanita Lake, Lassen Volcanic National Park 1783 Comment
  RSA767678  Sagittaria sanfordii Julie Nelson 2007-9-20 2007 -031 Shasta Floodplain of Stillwater Creek, east of Encanto way, 8 miles northeast of Redding 183 Comment
  CAS-BOT-BC132742  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, on the south shore of Emerlad Lake 2370 Comment
  POM219244  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, Shasta County. On the S shore of Emerald Lake 2370 Comment
  CAS-BOT-BC102834  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 385 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  JEPS15356  Salix boothii W. L. Jepson 1929-9-28 15305 Shasta head of Manzanita Creek Lassen Peak 2438 Comment
  UC1135073  Salix boothii T. B. Plair 1934-10-7 9 Shasta Summit Lake Prattville Quad. 2118 Comment
  UCD110734  Salix boothii C. R. Ball; Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 b Shasta Mount Lassen, above highway about 1.5 km west of Helen Lake. 2370 Comment
  UCR143517  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 382 Shasta Mount Lassen, below spring above hwy about 1.5 km west of Lake Helen 2370 Comment
  CAS-BOT-BC102822  Salix boothii Hans Leschke 1960-8-8 1728 Shasta Upper Kings Creek Meadow, Lassen Volcanic National Park 2240 Comment
  CAS-BOT-BC103461  Salix eastwoodiae Hans Leschke 1960-8-10 1774 Shasta Lassen Volcanic National Park. Badger Flat 1912 Comment
  UC1608332  Salix eastwoodiae J. Kierstead 1991-4-12 90 -5 Shasta at Saddle Gulch Saddle Gulch (Mad River Rd. (Forest Service Rd. 30)); Shasta-Trinity Nat'l Forests, Yolla <Bolla> Ranger Dist. 975 Comment
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Jul 8 2011
  UCSC000169  Salix exigua A. E. Wieslander 1933-6-27 334 Shasta Whiskey Creek, Mad Ox Gulch 457 Comment
  CDA12914  Salix geyeriana G. F. Hrusa 1996-5-2 12856 Shasta Lassen National Forest; Manzanita Creek, at crossing of USFS Rd. 31NS17 Approx. 1/3 m. E of Hwy 44. Comment
  CHSC85731  Salix geyeriana G. F. Hrusa 1996-5-2 12856 Shasta Lassen National Forest. On Manzanita Creek, at crossing of USFS Rd. 31NS17 approx. 1/3 m. E of Hwy 44. 1650 Comment
  CAS-BOT-BC104001  Salix gooddingii Mrs. H. P. Bracelin 1931-6-28 481 Shasta Redding 180 Comment
  POM361039  Salix gooddingii H. P. Bracelin 1931-6-28 481 Shasta Redding 180 Comment
  UC481921  Salix gooddingii Mrs. H. P. Bracelin 1931-6-28 481 Shasta n of bridge at n end of town Redding 180 Comment
  UCD111095  Salix jepsonii John Thomas Howell 1961-6-20 36564 Shasta Lassen Highway east of Diamond Peak. Comment
  CAS-BOT-BC106892  Salix jepsonii W. B. C. 1939-8-10 13856 Shasta On the bottom of Mud Creek Canyon 1828 Comment
  CAS-BOT-BC125409  Salix lasiandra var. lasiandra John Thomas Howell 1961-6-19 36532 Shasta Lily Pond near Reflection Lake 1798 Comment
  CAS-BOT-BC125428  Salix lasiandra var. lasiandra Wm. Bridge Cooke 1939-8-10 13850 Shasta Along Mud Creek Comment
  CAS-BOT-BC125413  Salix lasiandra var. lasiandra Hans Leschke 1960-8-9 1745 Shasta Manzanita Lake 1781 Comment
  CAS-BOT-BC124498  Salix lasiolepis var. lasiolepis L. E. Smith 1914-3-18 582 Shasta Clear Creek east of R.R. tunnel Comment
  CAS-BOT-BC124502  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 644 Shasta near Castella Comment
  CHSC85470  Salix lemmonii G. F. Hrusa 1996-5-2 12858 Shasta Lassen National Forest. Banks of Hat Creek approx. 1/2 mile S of Old Station Trailer Park, on Hwy 44-89. Latitude: 40 degrees 40' N. Longitude: 121 degrees 27' W. 1450 Comment
  CHSC84054  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2003-5-22 10203 Shasta In a meadow, near a water ditch, easst of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  CHSC96253  Salix lucida subsp. lasiandra R. Fischer 2006-5-12 972 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the water edge of Big Lake, the north end and east side. 1007 Comment
  SEINET3450724  Salix lucida subsp. lasiandra Lowell Ahart, John Dittes 2003-5-22 10203 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwestof Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 150 yards south of the Coleman Canal, east of the poor dirt road 250 Comment
  CAS-BOT-BC225197  Salvia sonomensis Louis C. Wheeler 1935-4-28 3444 Shasta O'Brien Creek off Sacramento River 426 Comment
  POM217114  Salvia sonomensis Louis C. Wheeler 1935-4-28 3444 Shasta O Brien Creek off Sacramento River. (Mt. Diablo Meridian) 427 Comment
  SEINET13947664 Image available Salvia sonomensis Lewis S. Rose 1950-1 50112 Shasta Near Lamoine, ca 1200 ft alt. 366 Comment
  SJSU488  Sambucus racemosa var. racemosa G. Witherspoon 1940-6-29 2157 Shasta near Sulphur Works, Lassen Volcanic National Park 2042 Comment
  JEPS90529  Sanguisorba annua Dean W. Taylor 1992-4-16 13347 Shasta Coleman Forebay, Sacramento Valley Sacramento Valley, Tuscan Buttes NE 7 1/2 Quad., Coleman For 289 Comment
  RSA471435  Sanicula Christopher Davidson 1973-5-28 2178 Shasta On dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit. 976 Comment
  JEPS254  Sanicula bipinnata Alice King 1921-1 Shasta Anderson Comment
  HSC72457  Sanicula crassicaulis J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9659 Shasta County Rd. A16, 4 mi. from its junction with Hwy. 36 732 Comment
  CHSC60300  Sanicula graveolens Mary Ann Showers 1992-6-28 2638 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. South-facing slopes between West and East Sulphuf Creeks. 2072 Comment
  UCD111687  Sanicula tuberosa Christopher Mallek 2008-1 AC1- 16 Shasta Ash Creek. 876 Comment
  SBBG115547  Saponaria officinalis B. Crampton 1964-8-26 7177 Shasta Castle Crag, 3 mi S of Dunsmuir, Sacramento River Comment
  UCR146308  Saponaria officinalis Beecher Crampton 1964-8-26 7177 Shasta Castle Crag, 3 mi south of Dunsmuir, Sacramento River Comment
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May 2 2007
  RSA176836  Saponaria officinalis James I. McMurphy 1914-6-10 s.n. Shasta 1/4 mile below Kennet. Comment
  CAS-BOT-BC436851  Saxifraga J. K. Nelson 2004-3-12 2004 -004 Shasta Jones Valley, south side of Shasta Lake, ca. 10 miles NE of Redding, south of County Road 5H04 (Forest Road 33N03), near Claikapudi Trail 335 Comment
  RSA83984  Saxifraga aprica F. W. Peirson 1932-7-11 10157 Shasta Thousand Lake Basin. The interlake region. 1951 Comment
  UC1112770  Saxifraga aprica George W. Gillett 1953-7-29 301 Shasta near trail to Cliff Lake (adjacent to Summit Lake Ranger Station, vicinity of Summit Lake); Lassen Volcanic National Park 2011 Comment
  UC858692  Saxifraga bryophora Alice Eastwood Aug 22 1912-Aug 26 1912 1824 Shasta Lassen Butte Comment
  JEPS85543  Saxifraga californica Walter S. Lennon 1983-4-4 Shasta 5.7 mi sw of Ono (Platina Road) Comment
  UC1736337  Saxifraga californica Dean W. Taylor 1993-5-1 13399 Shasta south end Gray Rocks, Squaw Creek watershed, Shasta Lake region 853 Comment
  JEPS47496  Saxifraga tolmiei W. L. Jepson 1929-9-29 15325 Shasta nw slope of Lassen Peak 2682 Comment
  UC532198  Saxifraga tolmiei Herbert F. Copeland 1931-8-9 Shasta Mount Lassen, near timber line Mount Lassen 2438 Comment
  CHSC60288  Sceptridium multifidum Mary Ann Showers 1992-7-19 2710 Shasta Dersch Meadows. Lassen Volcanic National Park. 1950 Comment
  CAS-BOT-BC283644  Schedonorus pratensis Malcom A. Nobs 1949-6-15 783 Shasta Marsh at the junction of Pitt River and Hat Creek at Highway 299 Comment
  RSA92161  Schoenoplectus acutus var. occidentalis F. W. Peirson 1932-7-14 10109 Shasta West of Lake Eiler, Thousand Lake Basin 1951 Comment
  UCD50080  Schoenoplectus acutus var. occidentalis P. B. Kennedy 1927-6-15 34 Shasta American Great Bulrush Pit River, Shasta County. Loosely Pool. Comment
  CHSC96278  Scirpus acutus var. occidentalis R. Fischer 2006-7-23 934 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the shore line of Big Lake near the southern end and western side. 1008 Comment
  CAS-BOT-BC35594  Scirpus congdonii Alice Eastwood 1912-8-22 1892 Shasta Battle Creek Meadows, Lassen Butte Region Comment
  UCR206943  Scirpus microcarpus George K. Helmkamp, E. A. Helmkamp 2009-6-11 14962 Shasta Southern Cascade Mountains, McCumber Lake Road, at the south end of McCumber Lake and 3.3 miles northeast of its junction with CA-44 1099 Comment
  JEPS47386  Scleranthus annuus subsp. annuus L. R. Heckard and Robert Ornduff 1966-4-28 1478 Shasta near highway grade n Burney (Cayton Creek Bridge, Cayton Valley); Cayton Creek Bridge, Cayton Valley Comment
  JEPS90781  Scleranthus annuus subsp. annuus Dean W. Taylor 1988-5-2 9594 Shasta 1.5 mi directly s of Estep (Oak Run Road just s of Tracy Creek, Upper Sacramento Valley); Upper Sacramento Valley, Oak Run Road 390 Comment
  UC1026391  Scleranthus annuus subsp. annuus John Thomas Howell 1954-4-26 29182 Shasta just w Tower House Comment
  JEPS104096  Scribneria bolanderi Lowell Ahart 2003-5-12 10168 Shasta In a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  UCD92529  Scribneria bolanderi W. R. Powell 1961-5-24 s.n. Shasta 10 miles east of Anderson, Ash Creek Road. Comment
  UC1713600  Scutellaria antirrhinoides C. Epling 1938-6-13 Shasta near Castle Creek Comment
  SEINET4082421  Scutellaria austiniae C. Davidson 1975-1 2642 Shasta Highway 89, 10 miles north of junction with Highway 299. 914 Comment
  CAS-BOT-BC419679  Scutellaria galericulata Malcom A. Nobs; S. Galen Smith 1949-7-20 1037 Shasta East side of Big Lake, ca. 3 miles north of McArthur Comment
  CHSC96287  Scutellaria galericulata R. Fischer 2006-7-22 924 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected on the western end of park near Bowman ditch, north side of park road, in 6 inches of flooded grassy meadow. 1010 Comment
  POM312590  Scutellaria galericulata Malcolm A. Nobs, S. Galen Smith 1949-7-20 1037 Shasta East side of Big Lake, ca. 3 miles north of McArthur. Comment
  SEINET10499151  Scutellaria nana Mary Susan Taylor 1980-6-25 Taylor 2972 Shasta T38N R1W ne sec 21 to n half sec 20 Big Bend quad; Shasta-Trinity Natl Forest; Grizzly Peak and ridge W of peak, ca. 5 mi due E of Lake McCloud. With J. Prouty. 1906 Comment
  CHSC3199  Scutellaria siphocampyloides Gerry Carrauthers 1966-5-14 156 Shasta 4 mi. E. of Whiskeytown Dam and 2 mi. W. of city of Redding on Highway 299. Ca. 50 yds off S. side of Highway. Comment
  CHSC67237  Scutellaria siphocampyloides David Biek 1987-5-26 1 Shasta Whiskeytown National Recreation Area, Dirt road 0.6 mi S of Brandy Creek Picnic Area. 441 Comment
  JEPS62906  Scutellaria siphocampyloides J. W. Blankinship 1911-6-6 Shasta Millville 155 Comment
  SBBG45099  Scutellaria siphocampyloides C. L. Hitchcock 1940-5-17 6451 Shasta 3 mi E of Redding 152 Comment
  UC76192  Scutellaria siphocampyloides Misses Jones and Alesxander 1902-6-10 Shasta Redding Comment
  HSC95517  Scutellaria siphocampyloides James D. Jokerst 1987-5-15 2882 Shasta Between Redding and town of Shasta, 2 mi. W of Redding, several hundred meters S of Hwy. 299 in a tributary of Salt Creek, 400 m W of BM 673 213 Comment
  UCD148876  Scutellaria tuberosa Ellen Dean; L. Huiet, A. Smith, J. Smith and M. Lenz 2014-5-14 8192 Shasta North side of Lake Shasta. McCloud River Arm. Along Gilman Rd, just W of intersection with Old Mill Rd, where Fall Creek intersects Gilman Rd (goes under road through culvert). 372 Comment
  UC1755225  Sedum obtusatum subsp. paradisum Dean Wm. Taylor with Joe Molter, Tom Engstron 2004-6-11 19103 Shasta Shirttail Peak (ca. 15 air mi NW of Redding), ridge forming margin of westerly watershed divide of Jic [sic] Gulch, 0.3 air mi SSW of summit of the peak; Trinity Mountains 1066 Comment
  CAS-BOT-BC278761  Sedum sexangulare Peter F. Zika; Julie K. Nelson 2012-6-21 25919 B Shasta Encanto Way, floodplain of Stillwater Creek, 2 air miles NE of Redding, Cascade Range Foothills (CaRF) 195 Comment
  RSA0035468  Sedum sexangulare Julie Nelson 2012-8-5 s.n. Shasta Encanto Way, floodplain of Stillwater Creek, 2 air miles NE of Redding, Cascade Range Foothills. 195 Comment
  CAS-BOT-BC63903  Sedum spathulifolium A. L., Mrs. Coombs 1912-6-1 7433 Shasta Baird Comment
  CAS-BOT-BC63906  Sedum spathulifolium John Thomas Howell; Alice Eastwood 1934-4-21 1811 Shasta Between Lamoine and Delta. Comment
  CHSC66131  Selaginella wallacei Vernon H. Oswald; Frank Kosko 1996-5-5 7506 Shasta Bureau of Land Management parcel W of Redding on the N side of Clear Creek Rd., ca. 7 mi W of Hwy, 273 at the bridge over Clear Creek. 213 Comment
  OBI29900  Selaginella wallacei Robert J. Rodin 1971-6-14 8466 Shasta At Slate Creek, about 35 miles north of Redding along Interstate 5. 701 Comment
  UC1608339  Senecio aronicoides J. Kierstead 1991-5-4 90 -65 Shasta Roaring Springs Rd 0.7 mi from junction with Big Bend Rd.; Shasta-Trinity National Forests 792 Comment
  SD8771  Senecio fremontii Mrs. R. M. Austin 1882-8-10 Shasta Lassen's Peak 2745 Comment
  LA212208  Senecio fremontii James R. Shevock; 1972-7-25 2207 Shasta Lassen National Park, near summit of Lassen peak. 3169 Comment
  UC1579549  Senecio fremontii var. occidentalis Harold and Virginia Bailey 1948-8-27 2940 Shasta Lassen Volcanic National Park Comment
  UC335850  Senecio fremontii var. occidentalis unknown Sept 1874 Shasta Lassen Peak Summit Comment
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May 23 2013
  CHSC89661  Senecio hydrophilus R. Fischer; J. Marr 2004-8-13 350 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located near camp 7 near Horr Pond on mdw. 1008 Comment
  CAS-BOT-BC363697  Senecio hydrophilus Malcom A. Nobs; S. Galen Smith 1949-7-20 1036 Shasta Banks of Fall River at Glenburn Comment
  CHSC93011  Senecio integerrimus var. exaltatus R. Fischer 2005-4-15 589 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Collected east of the old Ranger Station at the western edge of the park. 1018 Comment
  SBBG21767  Senecio scorzonella D. Myrick 1964-7-23 919 Shasta trail to Paradise Meadow from Hat Lake 1981 Comment
  UC485805  Senecio scorzonella H. F. Copeland 1932-8-15 Shasta where the road crosses King's Creek Meadow (Mt. Lassen); , King's Creek Meadow 2225 Comment
  UC91692  Senecio scorzonella Mrs. R. M. Austin 1882-8-9 Shasta Kings Valley Comment
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Jul 1 2012
  CAS-BOT-BC364259  Senecio triangularis Roxana S. Ferris; Laura Lorraine 1941-8-10 10473 Shasta Lassen National Park, near Summit Lake 2042 Comment
  UC1558239  Senecio triangularis Harold and Virginia Bailey 1948-8-26 2833 Shasta Manzanita Creek above campgrounds; Lassen Volcanic National Park, Manzanita Creek 1798 Comment
  UC711908  Senecio triangularis Roxana S. Ferris and Laura Lorraine 1941-8-10 10473 Shasta near Summit Lake (Lassen National Park); Lassen National Park 2042 Comment
  CAS-BOT-BC419732  Sericocarpus oregonensis Julie K. Nelson 2001-8-17 2001 -033 Shasta McCloud Arm of Shasta Lake; Gilman Road at Jennings Creek. 365 Comment
  CDA19836  Sesbania punicea K. Martyn 2001-12-11 PDR P 083352 Shasta Northern California; Riverview Country Club at 4200 Bechelli Lane in Redding. 0 Comment
  RSA768601  Setaria pumila Justin M. Wood 2010-9-2 2593 Shasta City of Redding: +/- 0.5 miles downstream of Cypress Ave bridge, area with several isolated ponds on the east side of the river. 143 Comment
  UCD112370  Sherardia arvensis Christopher Mallek 2008-5-8 AC4- 28 Shasta Ash Creek. 876 Comment
  JEPS28602  Sibbaldia procumbens George W. Gillett 1957-7-13 775 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park (near start of Bench Lake trail) 2194 Comment
  UC639594  Sibbaldia procumbens Mrs. H. P. Bracelin 1932-7-24 689 Shasta Emerald Lake; Lassen National park 2529 Comment
  CDA36864  Sidalcea asprella CDFA Staff 1999-6-1 s.n. Shasta Lava Creek Lodge, near Eastman Lake. 0 Comment
  RSA87502  Sidalcea calycosa subsp. calycosa C. L. Hitchcock 1952-6-25 19615 Shasta Between Project and Redding, along small intermittent stream. Comment
  CHSC71306  Sidalcea celata Vernon H. Oswald; Frank Kosko 1998-6-10 9172 Shasta Horsetown-Clear Creek Preserve on the south side of Clear Creek Rd. west of Redding. This type locality for this taxon is Olinda, ca. 7 mi southeast of the preserve. 213 Comment
  JEPS117884  Sidalcea celata L. P. Janeway 2006-5-17 8602 Shasta Inner North Coast Ranges. West edge of Lowers Gas Point Road about 1.8 km south of Gas Point Road, 700 m east of North Fork Cottonwood Creek 248 Comment
  SEINET7067181  Sidalcea celata A. G. Vestal 1947-5-2 s.n. Shasta About 4.4 miles east of Redding on Boyle Road. Coordinate datum: NAD27. Comment
  UC144554  Sidalcea celata A. A. Heller 1905-5-27 7876 Shasta Near Redding. Comment
  POM260330  Sidalcea hartwegii C. L. Hitchcock 1940-5-17 6439 Shasta 3 miles east of Redding. 152 Comment
  POM319900  Sidalcea hartwegii Barbara Shervanick 1974-5-9 1333 Shasta Wilson Hill Rd (A6) about 2 miles south of Shingletown. Cascade Mt. Range 915 Comment
  UC763987  Sidalcea malviflora subsp. asprella R. F. Hoover 1936-5-21 1188 Shasta 3 mi n Redding; n of Redding Comment
  POM260196  Sidalcea malviflora subsp. celata C. L. Hitchcock 1940-5-17 648 Shasta 3 miles east of Redding. 152 Comment
  SBBG19466  Sidalcea oregana J. A. Lowery -Aug-1962 22 Shasta Silver Lake, Hatchet Mtn, ca. 40 mi E of Redding 1524 Comment
  HSC16022  Sidalcea oregana subsp. oregana C. L. Hitchcock 1940-5-27 6630 Shasta Near McArthur Comment
  POM260337  Sidalcea oregana subsp. oregana C. L. Hitchcock 1940-5-24 6546 Shasta Hat Creek, 20 miles W of Fall River Mills Comment
  RSA8251  Sidalcea oregana subsp. oregana Elmer I. Applegate 1929-6-23 5858 Shasta East side of Burney Mountain, near Burney Comment
  UC1543866  Sidalcea oregana subsp. spicata Harold and Virginia Bailey 1948-8-25 3046 Shasta nw of Summit Lake along Loop Highway (Lassen Volcanic National Park); , nw of Summit Lake 2011 Comment
  JEPS83796  Silene antirrhina Dean Wm. Taylor with Robert A. Price, Rexford E. Palmer and Roy A. Buck 1988-6-1 9719 Shasta along road to PG&E Pit 6 powerhouse (Pit River Canyon); Pit River Canyon 743 Comment
  HSC71851  Silene campanulata subsp. glandulosa Thomas W. Nelson, Jane P. Nelson 1980-6-22 5842 Shasta Along FS road 1 mi. W of Regan Meadow 1524 Comment
  JEPS88883  Silene campanulata subsp. glandulosa Vernon H. Oswald and Lowell Ahart 1994-4-27 6155 Shasta ca 0.5 mi n Packers Bay Marina (Waters Gulch Trail 1.3 mi w of the trailhead located on Packers Bay Rd. (34N27)); Waters Gulch Trail, n of Packers Bay Marina 335 Comment
  CAS-BOT-BC174872  Silene campanulata subsp. glandulosa E. R. Drew 1916-6-1 s.n. Shasta Squaw Creek Ranger Station Comment
  CHSC54470  Silene invisa Vernon H. Oswald 1991-7-29 4770 Shasta Lassen Volcanic National Park. Trail from Hat Lake to Paradise Meadow, ca. 0.25 mile south of the trailhead. On the edge of a drainage. 1965 Comment
  CAS-BOT-BC389214  Silene laciniata subsp. californica Mary Strong Clemens 1920-7-28 s.n. Shasta Below Dunsmuir Comment
  CHSC85453  Silene lemmonii G. F. Hrusa; T. D. Wilfred 1996-7-22 13364 Shasta Northeast California. Lassen National Forest. USFS S16 in Bunchgrass Valley, approx. 4 m W of Hwy 89. 1615 Comment
  UCD123153  Silene lemmonii Ellen Dean; K. Mawdsley, M. Starbuck,M. Luzan Anzola, P. Berry 2012-6-24 7403 Shasta Along Hwy 44, ca. 10 miles E of Shingletown. North and south sides of road. 1225 Comment
  CAS-BOT-BC389502  Silene menziesii Alice Eastwood 1912-6-29 947 a Shasta Goose Valley Comment
  POM147658  Silene occidentalis Alice Eastwood 1912-1 768 Shasta Goose Valley. Comment
  CAS-BOT-BC175044  Silene suksdorfii George W. Gillett 1953-8-27 353 Shasta Summit area of Lassen Peak. Lassen Volcanic National Park 3108 Comment
  UC1036214  Silene suksdorfii George W. Gillett 1953-8-27 353 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit area Lassen Peak (s slope, Lassen Volcanic National Park) 3108 Comment
  UCD99024  Silene suksdorfii Mary Ann Showers 1980-8-17 2000 Shasta on N and NW-facing slopes of Bumpass Mt. Lassen Volcanic National Park. 2651 Comment
  UC1543699  Silene verecunda Harold and Virginia Bailey 1948-8-26 2831 Shasta Manzanita Creek above campgrounds; Lassen Volcanic National Park, Manzanita Creek 1798 Comment
  CHSC88770  Sisymbrium altissimum R. Fischer 2004-7-3 285 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on eastern edge Modoc Plateau. Located in mdw. below Camp 7. 1010 Comment
  JEPS114456  Sisymbrium altissimum Lowell Ahart, John Dittes 2008-6-19 14859 Shasta Open grassland, about 50 yards east of the Pit River, about 100 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills 993 Comment
  UCD115743  Sisymbrium officinale Walter P. Spivey 1955-6-1 s.n. Shasta 10 miles northeast of Redding. Comment
  CHSC4358  Sisyrinchium bellum R. L. Smith 1966-5-13 Shasta Highway 299, 3 mi n of Redding. Comment
  SEINET6177398 Image available Sisyrinchium bellum William A. Dayton 1913-6-21 299 Shasta 'Blue-eyed grass' Shasta NF; near repro. Study plots; Sweetbriar Creek Range;; 0 1036 Comment
  UC429221  Sisyrinchium bellum Milo S. Baker 1896-5-10 59 Shasta Morley's Station Comment
  JEPS939  Sium suave W. L. Jepson 1914-8-11 5768 Shasta Upper Fall River Valley, ne Shasta County Upper Fall River Valley 1036 Comment
  SEINET3196851 Image available Smelowskia ovalis var. congesta George W. Gillett 1952-7-16 276 Shasta Lassen Volcanic National Park; Summit area of Lassen Peak 3110 Comment
  UC1036220  Smelowskia ovalis var. congesta George W. Gillett 1953-8-27 350 Shasta s slope summit area Lassen Volcanic National Park, Lassen Peak 3124 Comment
  UCD139974  Smilax californica K. M. Meyer; A. Townesmith 2007-7-25 162 Shasta location unknown. 240 Comment
  HSC41141  Smilax californica Thomas W. Nelson, Jane Nelson 1976-8-2 3094 Shasta Along Hwy. 44, 7.2 mi. E of Shingletown. Comment
  CAS-BOT-BC35868  Solanum parishii S. B. Parish 1905-5-30 7899 Shasta 3 miles NE of Redding. Comment
  UCD127049  Solanum physalifolium var. nitidibaccatum B. F. Stroup 1926-6-22 s.n. Shasta Redding. Comment
  UC1567423  Solanum umbelliferum G. Schoolcraft 1989-6-5 1898 Shasta e of Timbered Crater (in Lava Bed area) 1051 Comment
  CDA13486  Solidago californica T. Linegar 1997-10-15 s.n. Shasta River Butte Ranch, Glenburn Rd. nr. Fall River, N of Fall River Mills. 1005 Comment
  CAS-BOT-BC365242  Solidago velutina subsp. californica Alice Eastwood 1912-7-24 1373 Shasta Castella Comment
  UC1999866  Solidago velutina subsp. californica J. C. Semple, B. Semple 1981-8-25 5708 Shasta HWY-44, E of Shingletown. Comment
  JEPS18737  Soliva sessilis R. F. Hoover 1936-5-22 1202 a Shasta 3 mi e Redding Comment
  CDA2491  Sorghum T. C. Fuller 1968-8-28 17539 Shasta Kimberly-Clark property, just north of the east end of River Glen Road, west bank of the Sacramento River, ca. 3 miles east of Anderson. 0 Comment
  CAS-BOT-BC390750  Spergularia marina John Thomas Howell 1955-6-14 30419 Shasta 0.8 mile west of Tower House 396 Comment
  RSA647546  Spiraea densiflora James Buel 1957-9-8 212 Shasta Crystal Lake. Juniper Lake area. Lassen National Park. Comment
  CAS-BOT-BC149672  Spiraea douglasii Alice Eastwood 1912-8-22 1887 Shasta Morgans Springs, Lassen Butte region Comment
  CDA19063  Spiraea douglasii C. Benefield 2000-8-2 s.n. Shasta Modoc Plateau; Hat Creek off Hwy 299 0 Comment
  UC153503  Spiranthes porrifolia Milo S. Baker 1898-7-8 351 Shasta Stevens Comment
  UCD93005  Sporobolus vaginiflorus R. Tofsrud 1949-7-4 s.n. Shasta 4 miles S of Shi-Lo-Ah Mineral Springs, Hwy. 99. Comment
  POM283291  Stachys ajugoides Lyman Benson 1930-7-18 s.n. Shasta E of Round Mountain. N Sierra Nevada Mountain Range. Hatchet Creek River. 1220 Comment
  HSC81476  Stachys rigida var. rigida Thomas W. Nelson, Jane Nelson 1980-8-22 6283 Shasta Along road to water supply for Basin Creek Campground opposite S unit 823 Comment
  UC54476  Staphylea bolanderi H. M. Hall and E. B. Babcock 4007 Shasta near Baird (McCloud River); Sierra Nevada Mountains, McCloud River 243 Comment
Read comments
Oct 10 2012
  CHSC54473  Stellaria crispa Vernon H. Oswald 1991-7-22 4757 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.2 mile east of the park boundary, ca. 3.25 miles (air) west-southwest of Lassen Peak. On the north side of the North Fork of Bailey Creek. 1962 Comment
  UC465526  Stellaria longifolia Franklin P. Nutting 1900-1-1 Shasta Goose Valley Comment
  UC1036224  Stephanomeria lactucina George W. Gillett 1953-8-21 340 Shasta vicinity Summit Lake (near Corral Meadows telephone); Lassen Volcanic National Park 1828 Comment
  OBI55510  Stephanomeria tenuifolia David J. Keil, Kathleen Keil 1992-7-25 23589 Shasta Lassen Natl Forest along Hwy 89. 6.5 mi N of Lassen Natl Park boundary Comment
  CHSC30922  Streptanthus drepanoides M. S. Taylor 1980-8-14 3245 Shasta At jct of 28N28 and 29N43, ca. 1 mi n of Goat Camp. 1371 Comment
  CHSC68794  Streptanthus drepanoides Vernon Oswald 1997-6-7 8549 Shasta Southwest of Platina on Stuart Gap Rd. (FR 41), 0.6 mi south of FR 29N41, 5.3 mi south of Hwy. 36. At the base of a roadcut. 932 Comment
  CAS-BOT-BC87806  Streptanthus tortuosus Alice Eastwood 1912-6-29 866 Shasta Goose Valley. Comment
  CAS-BOT-BC87808  Streptanthus tortuosus Alice Eastwood 1912-7-25 1442 a Shasta From Pitt to Baird. Comment
  CAS-BOT-BC87819  Streptanthus tortuosus W. C. McCalla 1940-7-1 6339 Shasta Lassen National Park. 2194 Comment
  UC567160  Streptanthus tortuosus C. J. Kraebel 1934-5-5 14 Shasta N. Fork of Squaw Creek Redding Quadrangle 1219 Comment
  UC956606  Streptanthus tortuosus Freed W. Hoffman 1948-7-18 2320 Shasta Castella-Trinity Center rd 1 mi w Castella (along creek, Shasta Co.); Castle Creek 1295 Comment
  CAS-BOT-BC87821  Streptanthus tortuosus Peter H. Raven; Otto Thomas Solbrig 1958-6-16 13230 Shasta O'Brien, Shasta Lake. Comment
  UC54267  Streptanthus tortuosus var. orbiculatus H. M. Hall and E. B. Babcock June 1903 4142 Shasta South Fork Bear Creek Sierra Nevada Mountains (ne Shasta Co.) 1341 Comment
  UC70437  Streptanthus tortuosus var. suffrutescens Milo S. Baker 1900-5-1 Shasta near Sumacville; Old Cow Cr. Canyon Comment
  HSC27166  Streptanthus tortuosus var. tortuosus J. P. Smith, J. O. Sawyer 1972-6-8 5289 Shasta Hwy. 299, 5.2 mi. E of Buckhorn Summit 457 Comment
  HSC75065  Streptanthus tortuosus var. tortuosus J. P. Smith, Thomas W. Nelson 1978-7-23 10065 Shasta Klamath National Forest, Bully Choop Rd., 6.9 mi. from its junction with County Rd. A16 1524 Comment
  JEPS32515  Styrax officinalis var. redivivus W. L. Jepson 1914-8-15 6177 Shasta Delta 396 Comment
  POM187532  Styrax officinalis var. redivivus Marcus E. Jones 1931-7-16 28978 Shasta Pitt River Bridge. Comment
  UC719807  Styrax officinalis var. redivivus Rogers McVaugh 1941-8-4 6238 Shasta woods along US 99 ca 35 mi n Redding Comment
  CAS-BOT-BC64511  Styrax redivivus John Thomas Howell 1954-4-26 29185 Shasta 3 mi. w. of Whiskeytown. Comment
  CAS-BOT-BC64513  Styrax redivivus L. S. Smith 1912-7-1 s.n. Shasta Kennet. Comment
  HSC62740  Styrax redivivus J. M. DiTomaso 1979-5-11 959 Shasta Oak Bottoms Campground, Whiskeytown Lake 335 Comment
  POM203467  Styrax redivivus L. S. Rose 1934-4-21 34238 Shasta Lamoine. 380 Comment
  RSA273330  Styrax redivivus J. P. Smith, J. O. Sawyer 1976-5-9 8710 Shasta Whiskeytown National Recreation Area. Comment
  RSA789611  Styrax redivivus R. W. Spjut, Paul Burchstead 2008-6-9 16333 Shasta Northern Valley Oak Woodland-Chaparral. Shasta Trinity National Forest: Salt Creek Road west of I-5, Haycock Park, Nelson Point Creek Road and also another road to the north. 402 Comment
  UCD147025  Styrax redivivus Robert E. Preston 2012-5-5 2871 Shasta 1.4 mi E of Igo, along Cloverdale Trail, at Clear Creek overlook. 268 Comment
  UC54563  Swertia albicaulis var. nitida H. M. Hall and E. B. Babcock Jun 1903 4241 Shasta Lava Beds, ne Shasta County Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC5526  Swertia bethelii Ellsworth Bethel 1923-5-17 s.n. Shasta Fall River Mills Comment
  POM67634  Symphoricarpos acutus Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  CHSC9235  Symphoricarpos albus var. laevigatus G. Strausbaugh 1970-5-30 83 Shasta E bak of first cove NW of Brandy Creek Swimming Area and ca. 3 ft. from water's edge. 370 Comment
  CHSC85465  Symphoricarpos rotundifolius var. rotundifolius G. F. Hrusa; T. D. Wilfred 1996-6-10 12990 Shasta Lassen National Forest. NW side of Hwy 44 1 m. SW of USFS N12 to Twin Bridges. 1555 Comment
  UC1544799  Symphyotrichum bracteolatum Almut G. Jones 1986-8-25 7260 Shasta along Hat Creek Hat Creek (near Old Station) 1500 Comment
  UC479501  Symphyotrichum bracteolatum Marcus E. Jones, A. M. 1931-7-16 29139 Shasta Pitt River Bridge Comment
  CAS-BOT-BC99050  Symphyotrichum eatonii Marcus E. Jones 1931-7-16 29130 Shasta Pitt River bridge Comment
  CAS-BOT-BC98880  Symphyotrichum spathulatum var. intermedium Alice Eastwood 1912-8-22 1895 Shasta Battle Creek Meadow - Lassen Butte Region Comment
  OBI55530  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-24 23583 Shasta 12.2 mi E of Siskiyou county line along hwy 89 Comment
  CHSC89704  Taraxacum officinale R. Fischer; J. Marr 2004-8-15 378 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Collected near Lava Springs Trail at camp 5, Crystal Springs. 1010 Comment
  JEPS95281  Tauschia kelloggii Vernon H. Oswald and L. Ahart 1994-4-27 6145 Shasta T34N R4W SE1/4 Sec. 20, ca. 1300 ft, Chaparral-Yellow Pine Forest ecotone. Waters Gulch Trail 0.1 mi W of the trailhead located on Packers Bay Rd. (34N27), ca. 0.5 mi N of Packers Bay Marina 396 Comment
  CAS-BOT-BC85270  Taxus brevifolia Ellsworth Bethel 1923-6-16 s.n. Shasta Burney Comment
  RSA246607  Taxus brevifolia Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-21 42380 Shasta Shasta National Forest: along Castle Creek about 1 mile west of Castle Crags State Park. Comment
  CAS-BOT-BC85274  Taxus brevifolia W. R. Dudley 1899-8-17 s.n. Shasta Along Stage Road, west of Burney Valley, on the Divide Creek Comment
  UCSB16365  Taxus brevifolia Haller, John 1962-6-6 Shasta Hatchett Creek, 13 miles west of Burney via U.S. Highway 299 1066 Comment
  UC858885  Tellima grandiflora C. L. Hitchcock 1940-5-20 6484 Shasta 25 mi e Redding Comment
  CAS-BOT-BC329004  Tetradymia canescens G. L. Stebbins 1937-7-17 2413 Shasta 2.5 miles north of Burney 1066 Comment
  CHSC93016  Thelypodium R. Fischer; J. Marr 2004-5-26 584 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Collected at upper end of Big Lake. 1008 Comment
  CAS-BOT-BC88085  Thelypodium howellii subsp. howellii Reed C. Rollins; Kathryn W. Rollins; David Gates; Aileen G. Roads 1983-7-7 83230 Shasta Near tule swamp, Gates Ranch, ca. 3 miles northeast of MacArthur. Comment
  UC54377  Thermopsis californica var. argentata H. M. Hall and E. B. Babcock June, 1903 4168 Shasta vicinity Dana; Sierra Nevada Mountains 1097 Comment
  JEPS96535  Thermopsis macrophylla var. argentata Dean W. Taylor 1993-5-2 13416 Shasta Fulhart Gap, on jeep road between summit of ridge and South Cow Creek, 579 Comment
  SEINET188355  Thermopsis rhombifolia C. L. Hitchcock 1940-5-24 6533 Shasta On Hat Cr ca 20 mi W of Fall River Mills. Comment
  CHSC89634  Thlaspi arvense R. Fischer 2004-7-5 331 Shasta Ahjumawi Lava Springs State Park, 3 miles n. of McArthur, on western edge Modoc Plateau. Located W of old Ranger Station at edge of mdw. 1011 Comment
  CHSC81477  Thysanocarpus radians Julie Rose 2000-3-25 40 Shasta Open field bordered by Millville Plains Road on the East and Antler Road on the South. 11 miles E of Redding. 1.2 miles S of Highway 44. 188 Comment
  POM298402  Tofieldia glutinosa subsp. occidentalis Blanche Clear 1940-7-24 s.n. Shasta King s Creek, Lassen Volcanic Park Comment
  UC27668  Tonella tenella M. S. Baker and Frank Nutting 1894-5-31 Shasta Burney Falls Comment
  CHSC110529  Torilis arvensis Julie Kierstead Nelson 2012-5-1 2012 -012 Shasta 5 mi N of Shasta College, NE of Redding; floodplain of unnamed tributary to Stillwater Creek. 198 Comment
  CHSC84088  Torilis arvensis subsp. purpurea Lowell Ahart; John Dittes 2003-5-22 10187 Shasta Just west of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  CAS-BOT-BC81368  Torreya californica Barbara T. Keller 1974-5-9 1320 Shasta Wilson Hill Road between Shingletown and Manton, bridge over north fork of Battle Creek Comment
  CHSC96273  Toxicoscordion paniculatum R. Fischer 2006-5-11 939 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plant collected in an open juniper/YPF woodland just south of the Spattercone Trail loop. 1036 Comment
  CHSC9306  Toxicoscordion venenosum var. venenosum G. Strausbaugh 1970-5-24 76 Shasta N side of Whiskey Creek Swimming Area ca. 10 ft. above edge of lake. 371 Comment
  CHSC86951  Trichostema oblongum L. P. Janeway 2001-6-21 7210 Shasta High Cascade Range. About 1.3 km east of edge of Hat Creek Rim, about 3.4 km north of Hwy 44. Near edges of large (logging landing) vernal pool. 1494 Comment
  HSC49128  Trifolium albopurpureum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-9 9734 Shasta County Rd. A16, 3 mi. SW of Ono 305 Comment
  HSC49840  Trifolium albopurpureum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-6 9816 Shasta Junction of Route 36 and the road to Beegum Public Camp 762 Comment
  SEINET7073560  Trifolium albopurpureum var. dichotomum A. G. Vestal 1955-5-19 s.n. Shasta About 16.8 miles east of Redding on Route 299. UTM Zone 10, 574060mE, 4504395mN. Coordinate datum: NAD27. Comment
  HSC100991  Trifolium angustifolium J. P. Smith 2010-5-19 12880 Shasta Along Shasta View Road in Redding 202 Comment
  UC631474  Trifolium breweri C. V. Piper 1904-5-30 6370 Shasta Castella Comment
  JEPS89586  Trifolium ciliolatum Dean W. Taylor 1992-5-19 12586 Shasta 7.4 road mi. w. Round Mountain post office (along Hwy. 299 2.5 mi. e. of junction w/ Oak Run Rd.); Shasta Lake Region, Devils Rock 7 1/2 Quad., Cedar Creek dra 441 Comment
  UC16454  Trifolium ciliolatum M. S. Baker and Frank Nutting 1894-5-20 Shasta Redding Comment
  UC165609  Trifolium ciliolatum Milo S. Baker 1898-4-15 710 Shasta Happy Valley Comment
  CHSC59977  Trifolium depauperatum var. depauperatum Lorna K. Lilly 1989-4-17 6 Shasta Ca. 3.1 mi w of Dry Creek, 3 mi sw of Bella Vista, 2.6 mi e of Redding. 140 Comment
  CHSC84058  Trifolium dubium Lowell Ahart; John Dittes 2003-5-22 10183 Shasta Just west of the gate, on the road, on the south side of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 271 Comment
  UCD111680  Trifolium dubium Christopher Mallek 2008-1 AC1- 4 Shasta Ash Creek. 876 Comment
  RSA691011  Trifolium fucatum L. Ahart 2003-5-12 10151 Shasta About 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
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Oct 5 2019
  UCD80870  Trifolium glomeratum Robert E. Preston 2007-5-11 2493 Shasta Redding, along Airport Road, ca. 0.5 mile S of Rancho Rd. 155 Comment
  CHSC99773  Trifolium hybridum Lowell Ahart; John Dittes 2008-6-19 14862 Shasta On dry to damp soil, about 5 yards east of the Pit River, about 150 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills. 993 Comment
  SEINET7717105  Trifolium kingii Unknown Shasta Lassen's Peak 2438 Comment
  RSA82861  Trifolium longipes subsp. shastense J. M. Tucker 1951-8-3 2212 Shasta About 1/4 mile E of Shadow Lake, Lassen Volcanic National Park. Comment
  UC630805  Trifolium longipes var. elmeri G. J. Young July, 1912 7 Shasta Sacramento River Comment
  UC485776  Trifolium longipes var. hansenii H. F. Copeland 1932-8-15 Shasta where the road crosses Mt. Lassen, Kings Creek Meadow 2225 Comment
  SEINET7075512  Trifolium microcephalum A. G. Vestal 1955-5-14 s.n. Shasta Stillwater Plains southeast of Redding. 40? deg. 33' 48" North Latitude, -122? deg. 18' 1" West Longitude. UTM Zone 10, 559232mE, 4490309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET10841160  Trifolium microcephalum W. D. Stevens 1985-4-25 Stevens 23569 Shasta along Deschutes Road; chapparral with scattered digger pine Comment
  JEPS104002  Trifolium microdon Lowell Ahart 2003-5-12 10154 Shasta About 100 yd e of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265