40.36173 40.46173 -121.58093 -121.48093 Archived CCH Search Results
Search Results — 1207 specimen records retrieved (1207 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
  CAS-BOT-BC73596  Abies concolor John Thomas Howell 1960-8-20 36204 Tehama Lassen Volcanic National Park, Morgan 1463 Comment
  CAS-BOT-BC77983  Abies concolor John Thomas Howell 1960-8-19 36141 Tehama Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC78094  Abies magnifica John Thomas Howell 1960-8-19 36140 Tehama Brokeoff Mt. Trail 2590 Comment
  CHSC24166  Abies magnifica C. E. Stopher 1976-2-1 4 Tehama 8.7 km n of jct. Hwy. 99 and Hwy. 36 on Hwy. 89. On s side of road 100 m from road. 2000 Comment
  RSA0088655  Abies magnifica Bonnie C. Templeton 1968-6-11 11328 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  CAS-BOT-BC330993  Acer glabrum var. glabrum John Thomas Howell 1960-8-18 36024 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  UC998327  Acer glabrum var. glabrum E. K. Balls and P. C. Everett 1952-10-14 18206 Shasta Hwy 89, 5.8 mi sw Summit Pass (on Mt. Lassen); Mt. Lassen, sw of Summit Pass 2133 Comment
  UCD116972  Acer glabrum var. glabrum John Thomas Howell 1961-6-20 36565 Tehama Lassen Highway at Diamond Point. 2209 Comment
  RSA603232  Acer glabrum var. torreyi C. Epling, Wm. Robinson 1935-7-19 s.n. Lassen Sulphur Spring, Lassen Park Comment
Read comments
May 1 2013
  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
  JEPS28770  Achillea millefolium George W. Gillett 1957-8-13 1067 Tehama south exposure of upper Brokeoff formation, rock-strewn Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  OBI55505  Achillea millefolium David J. Keil 1992-7-25 23596 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  UC1738960  Achnatherum lemmonii Dean Wm. Taylor with Glenn Clifton 1992-8-22 13198 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  CAS-BOT-BC210752  Achnatherum nelsonii George W. Gillett 1957-8-18 1103 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. Trail, from Sulphur Works checking station 2103 Comment
  CAS-BOT-BC217988  Achnatherum nelsonii John Thomas Howell 1960-8-18 36089 Tehama Sulphur Works Checking Station 2011 Comment
  JEPS28283  Achnatherum nelsonii subsp. dorei George W. Gillett 1957-8-18 1103 Tehama ca. 1/4 mi. above Sulphur Works Checking Station (lower portion Brokeoff Trail, Brokeoff Mt.); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  SEINET232905 Image available Achnatherum nelsonii subsp. nelsonii L. R. Firestone, H Firestone 1983-8-11 8337 Shasta Lassen Volcanic NP ; 0.9 mi south of parking area in view of Diamond Peak Lassen Peak and Little Hot Springs Valley Comment
  CAS-BOT-BC216902  Achnatherum occidentale John Thomas Howell 1960-8-19 36182 Shasta Summit ridge, Brokeoff Mountain 2773 Comment
  UCD50951  Achnatherum occidentale John Thomas Howell 1960-8-19 36182 Shasta Summit ridge Brokeoff Mt. 2743 Comment
  CAS-BOT-BC210876  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-18 36040 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC210878  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-19 36146 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC210879  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station 2103 Comment
  CHSC54541  Achnatherum occidentale subsp. californicum Vernon H. Oswald 1991-8-16 4829 Shasta Trail along the east side of Crumbaugh Lake, just south of its junction with the trail to Conard Meadows. Lassen Volcanic National Park. 2197 Comment
  JEPS28281  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama 1/4 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mt. Trail); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  UC523867  Achnatherum occidentale subsp. californicum C. R. Ball 1932-7-23 670 Tehama 4 mi ne on Mt. Lassen Highway Mineral; Mt. Lassen Highway 1828 Comment
  UCD51148  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-19 36146 Tehama Brokeoff Mountain Trail. 2590 Comment
  CAS-BOT-BC218633  Achnatherum occidentale subsp. pubescens John Thomas Howell 1960-8-18 36090 Tehama Sulphur Works Checking Station, Lassen Volcanic National Park 2011 Comment
  UCD55537  Achnatherum stillmanii W. R. Powell 1960-8-19 s.n. Shasta Ca. 8 miles north of Viola, Latour State Forest. 1706 Comment
  UC54279  Aconitum columbianum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4413 Shasta near Morgan, Tehama Co. (Mill Creek Canyon); Mt. Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC391372  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-8-18 36077 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC412929  Aconogonon davisiae John Thomas Howell 1960-8-19 36159 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC412930  Aconogonon davisiae John Thomas Howell 1960-8-19 36158 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC418778  Aconogonon phytolaccifolium John Thomas Howell 1960-8-18 36057 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC59141  Aconogonon phytolaccifolium Vernon H. Oswald 1992-8-19 5162 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy.89) at the parking area, Brokeoff Mtn. trailhead. Growing on the bank of a drainage crossing the road at the trailhead. 2023 Comment
  CHSC43606  Ageratina occidentalis Vernon Oswald 1986-8-20 2285 Shasta Lassen Hwy on the E side of Diamond Peak, Lassen Volcanic National Park. 2225 Comment
  JEPS29569  Ageratina occidentalis John Thomas Howell 1960-8-23 36454 Shasta e of Diamond Peak; Lassen Loop 2225 Comment
  CAS-BOT-BC15444  Agoseris grandiflora var. grandiflora John Thomas Howell 1960-8-20 36210 Tehama near Morgan 1463 Comment
  CAS-BOT-BC22952  Agoseris heterophylla H. M. Hall; E. B. Babcock 1903-7-1 4391 Tehama Near Morgan (Mill Creek Canyon) 1524 Comment
  UC53886  Agoseris heterophylla var. heterophylla H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4391 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC13191  Agoseris monticola Alice Eastwood 1912-8-22 1751 Tehama Morgan Springs, Lassen Butte Region Comment
  CAS-BOT-BC13243  Agoseris monticola J. T. Howell 1960-8-19 36122 Tehama Lassen Volcanic National park, Brokeoff Mt Trail 2346 Comment
  JEPS28764  Agoseris monticola George W. Gillett 1957-8-13 1059 Tehama ca 1.5 mi from Sulphur Works Checking Station ((near Brokeoff Trail)); Lassen Volcanic Natl. Park, Brokeoff Mountain 2286 Comment
  UC891268  Agoseris monticola Alice Eastwood Aug 22 1912-Aug 26 1912 1751 Tehama Morgans Springs Lassen Butte Region, Morgans Springs Comment
  CAS-BOT-BC127396  Agrostis exarata W. B. Cooke; V. G. Cooke 1976-10-11 53550 Tehama Lassen Volcanic National Park. Lower Brokeoff Mountain trail. 2362 Comment
  CHSC59151  Agrostis exarata Vernon H. Oswald 1992-8-19 5165 Tehama Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. Lassen Volcanic National Park. 2194 Comment
  UC1543798  Agrostis exarata Harold and Virginia Bailey 1948-8-28 3070 a Tehama in meadow below Ski Hut (near Sulphur Creek campground); Lassen Volcanic National Park 2011 Comment
  RSA201372  Agrostis humilis J. T. Howell 1960-8-18 36103 Tehama Lassen Volcanic National Park, Sulphur Works Checking Station 2012 Comment
  UC1543796  Agrostis oregonensis Harold and Virginia Bailey 1948-8-28 3064 e Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC138700  Agrostis scabra John Thomas Howell 1939-8-12 15291 Shasta Sulfphur Works, Mount Lassen. 2133 Comment
  RSA87452  Agrostis scabra F. W. Peirson 1926-6-22 6808 Lassen margin of Boiling Lake, Mt. Lassen National Park Comment
Read comments
Apr 23 2013
  JEPS28279  Agrostis thurberiana George W. Gillett 1957-8-18 1098 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mountain Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  UC1784164  Allium Harold and Virginia Bailey 1948-8-28 3068 b Tehama Lassen Volcanic National Park, near Sulphur Creek campground 2011 Comment
  UC1036321  Allium campanulatum George W. Gillett 1952-8-11 182 Shasta 1/2 mi below Bumpus Hell (trail from Bumpus Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC57534  Allium campanulatum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4328 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC60468  Allium platycaule Mary Ann Showers 1992-6-26 2572 Tehama Lassen Volcanic National Park. East of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC60369  Allophyllum integrifolium Mary Ann Showers 1992-6-28 2636 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  UC879971  Allophyllum integrifolium Alice Eastwood Aug 22 1912-Aug 26 1912 1755 Tehama trail from Morgan's Springs to Sulphur Works; Lassen Butte Region Comment
  UC1543712  Allotropa virgata Harold & Virginia Bailey 1948-8-28 3058 Tehama Lassen Volcanic National Park near Sulphur Campground 2011 Comment
  CAS-BOT-BC171372  Alnus incana subsp. tenuifolia M. S. Jussel 1931-9-6 s.n. Plumas Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC171421  Alnus incana subsp. tenuifolia John Thomas Howell 1960-8-20 36237 Tehama Lassen Morgan, near Lassen Volcanic National Park 1463 Comment
  CAS-BOT-BC171423  Alnus incana subsp. tenuifolia John Thomas Howell 1960-8-19 36114 Shasta Brokeoff Mt. Trail 2286 Comment
  RSA201360  Alnus incana subsp. tenuifolia J. T. Howell 1960-8-19 36114 Tehama Brokeoff Mountain Trail. 2287 Comment
  UC1543687  Alnus incana subsp. tenuifolia Harold and Virginia Bailey 1948-8-28 3071 Tehama near Sulphur Creek campground (in meadow below ski hut); Lassen Volcanic National Park 2011 Comment
  UC1585419  Alnus incana subsp. tenuifolia R. Raiche, K. Zadnik, and H. Forbes 1989-10-5 UCBG 93 Tehama creek side on Hwy 99 5.6 km n Hwy. 36 (ne of Mineral) 1950 Comment
Read comments
Jul 19 2013
  CAS-BOT-BC138149  Alopecurus aequalis var. aequalis John Thomas Howell 1960-8-20 36223 Tehama Lassen Volcanic National Park. Morgan. 1463 Comment
  CHSC59167  Amaranthus blitoides Vernon H. Oswald 1992-9-29 5221 Tehama Hwy. 89 At Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC59168  Ambrosia psilostachya Vernon H. Oswald 1992-9-29 5226 Tehama Hwy 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CAS-BOT-BC135673  Amelanchier utahensis John Thomas Howell 1960-8-20 36209 Tehama Near Lassen Volcanic National Park - Morgan 1463 Comment
  CHSC59172  Amsinckia menziesii Vernon H. Oswald 1992-9-29 5229 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park., 0.5 mi S of the latter. 1990 Comment
  CAS-BOT-BC45084  Anaphalis margaritacea John Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC45085  Anaphalis margaritacea Hans Leschke 1960-9-8 1802 Shasta Little Hot Springs Valley 2225 Comment
  CAS-BOT-BC45086  Anaphalis margaritacea Alice Eastwood 1912-8-22 1775 Tehama Trail from Morgan Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC45200  Anaphalis margaritacea M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mount Lassen 2133 Comment
  CHSC102610  Anaphalis margaritacea L. P. Janeway 2009-7-26 9876 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  CHSC48124  Anaphalis margaritacea Vernon Oswald 1984-7-16 1604 Tehama 29N22, 1.9 mi W of Hwy 89 (to Lassen Park). 1889 Comment
  JEPS28118  Anaphalis margaritacea J. Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  OBI55496  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  OBI55512  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  CAS-BOT-BC391827  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2743 Comment
  CHSC48683  Anemone drummondii Vernon Oswald 1986-7-24 2240 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 682 Comment
  JEPS28459  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama s. exposure of upper Brokeoff formation Brokeoff Mt.; Lassen Volcanic Nat'l Park, Brokeoff Mt. 2743 Comment
  UC1036146  Anemone drummondii George W. Gillett 1953-7-3 263 Tehama 0.25 mi. above Diamond Point (near Diamond Peak, above rd.); Lassen Volcanic Nat'l Park 2255 Comment
  UC1036221  Anemone drummondii George W. Gillett 1953-8-25 345 Tehama near Diamond Peak (above & below rd.); Lassen Volcanic Nat'l Park 2255 Comment
  RSA115249  Anemone multifida George W. Gillett 1953-7-3 263 Tehama Tehama county: Rock crevices above road, 0.25 mile above Diamond Point, Near Diamond Peak. 2256 Comment
Read comments
Oct 28 2009
  JEPS28458  Anemone occidentalis George W. Gillett 1957-8-13 1060 Tehama 1 1/2 mi. above Sulphur Works Checking Station (near Brokeoff trail, n. slope Brokeoff Mt.); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2286 Comment
  JEPS28765  Angelica breweri George W. Gillett 1957-8-13 1061 Tehama 1 1/2 mi above Sulphur Works Checking Station (near Brokeoff Trail, Brokeoff Mountain, Lassen Volcanic National Park); Lassen Volcanic National Park, Brokeoff Mountain 2286 Comment
  CHSC61948  Antennaria media Vernon H. Oswald; Steve Mitchelson 1993-9-15 5933 Shasta Lassen Volcanic National Park. Trail from Bumpass Hell to Cold Boiling Lake, ca. 0.25 mi S of Bumpass Hell. 2462 Comment
  CHSC61396  Antennaria rosea subsp. confinis Vernon H. Oswald; Lowell Ahart 1993-8-18 5818 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2225 Comment
  CHSC45338  Aphyllon epigalium subsp. epigalium Vernon Oswald 1986-8-4 2267 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2651 Comment
  CHSC85449  Apocynum androsaemifolium G. F. Hrusa; T. D. Wilfred 1996-7-22 13381 Shasta Northeast California. Lassen National Forest. On roadside along Hwy 89 approx. 3 miles S of entrance to Lassen Nat. Park. Latitude: 40 degrees 32' N. Longitude: 121 degrees 37' W. 1580 Comment
  UC55245  Arabis glabra H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4379 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC95194  Arceuthobium abietinum R. D. Fischer 2005-8-1 841 Tehama Cascade Range High in Lassen National Volcanic Park. Specimen found along Ridge Lake Trail out of Sulfur Works. 1981 Comment
  JEPS101271  Arceuthobium abietinum Dean Wm. Taylor with Glenn Clifton 1992-8-22 13202 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  SEINET1912095  Arceuthobium abietinum R. L. Mathiasen 2010-1 1062 Lassen 3.8 km N of jct. of Routes 89 and 36 on Rte. 89. Ca. 3 km S of S entrance to Lassen Nat. Park 1900 Comment
  UCD101948  Arceuthobium campylopodum Lalit M. Srivastava 1957-10-19 14 Tehama Near junction of State Highways 36 and 89. 1828 Comment
  SEINET2116923  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-9 2004 -30 Shasta 4 km N of south entrance to Lassen National Park on main road through park, near Diamond Peak 2185 Comment
  CHSC37665  Arctostaphylos manzanita T. B. Devine 1981-9-5 771 Tehama Forest Service Road 19N22, ca. 1/4 mi from junciton with Hwy 89. 1859 Comment
  CAS-BOT-BC39999  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  CAS-BOT-BC40000  Arctostaphylos nevadensis John Thomas Howell 1960-8-19 36167 Tehama Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC45904  Arctostaphylos nevadensis M. S. Jussel 1931-9-6 s.n Lassen Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC45910  Arctostaphylos nevadensis Hans Leschke 1957-7-12 s.n Lassen Above Cold Boiling Lake 2316 Comment
  CHSC37664  Arctostaphylos nevadensis T. B. Devine 1981-9-5 770 Tehama Forest Service Road 29N22, ca. 1/4 mi from junction with Hwy 89. 1859 Comment
  UCD52661  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Bluff Falls. 1981 Comment
  SBBG5454  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1938-6-23 2121 c Tehama between Lassen Nat Park and Mineral Comment
  CAS-BOT-BC44483  Arctostaphylos patula John Thomas Howell 1960-8-18 36046 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  JEPS38823  Arctostaphylos patula W. L. Jepson 1927-6-22 12285 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  CHSC61415  Arenaria kingii var. glabrescens Vernon H. Oswald; Lowell Ahart 1993-8-18 5822 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on slope approaching the scree slope below the summit ridge of the mountain. 2383 Comment
  CAS-BOT-BC295863  Arnica dealbata Hans Leschke 1957-7-12 s.n. Shasta Lassen Volcanic National Park. Above Cold Boiling Lake 2301 Comment
  JEPS16265  Arnica dealbata A. A. Heller 1938-7-28 1529 a Tehama near Sulphur Works; Lassen Volcanic National Park Comment
  JEPS20975  Arnica dealbata Joseph Grinnell 1925-7-27 Tehama Brokeoff Mountain Comment
  JEPS3292  Arnica dealbata George Gillett 1952-8-10 164 Shasta 1.5 mi below Emerald Lake (just above the main park highway); Lassen Volcanic National Park 2346 Comment
  UC1558234  Arnica dealbata Harold and Virginia Bailey 1948-8-28 3060 Tehama near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  UC726999  Arnica dealbata A. A. Heller 1937-7-21 15932 Tehama Sulphur Works Lassen Volcanic National Park Comment
  UC832873  Arnica dealbata E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CHSC60305  Arnica discoidea Mary Ann Showers 1992-6-26 2577 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC82692  Arnica longifolia John Thomas Howell 1960-8-18 36055 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  CHSC45630  Arnica longifolia Vernon H. Oswald 1986-8-4 2263 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2133 Comment
  CHSC45631  Arnica longifolia Vernon H. Oswald 1986-8-4 2268 Shasta Brokeoff Mt. Trail, Lassen Volcanic National Park. 2743 Comment
  CHSC97784  Arnica longifolia L. P. Janeway 2007-9-3 9207 Shasta High Cascade Range. Southwest-facing slope high on Brokeoff Mountain, about 400 m west-northwest of the summit. 2755 Comment
  JEPS28116  Arnica longifolia J. Thomas Howell 1960-8-19 36187 Shasta Brokeoff Mt. (summit ridge) Brokeoff Mt. 2743 Comment
  JEPS28760  Arnica longifolia George W. Gillett 1957-8-13 1055 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2133 Comment
  CHSC59073  Arnica mollis Vernon H. Oswald 1992-8-19 5168 Tehama Lassen Volcanic National Park. Meadowy drainage W of the upper end of the ski lift, ca. 0/5 mi NW of the Southwest Entrance Station. 2182 Comment
  UC892185  Arnica mollis E. G. Anderson 1935-9-2 Shasta Brokeoff Trail (lower part) Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CAS-BOT-BC85101  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Lassen Volcanic National Park - Brokeoff Mountain 2743 Comment
  CAS-BOT-BC85147  Arnica nevadensis John Thomas Howell 1960-8-19 36173 Shasta Lassen Volcanic National Park, Summit ridge, Brokeoff Mt. 2773 Comment
  CHSC45633  Arnica nevadensis Vernon H. Oswald 1986-7-24 2228 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  JEPS28769  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  CAS-BOT-BC90259  Artemisia douglasiana Alice Eastwood 1912-8-22 1776 Tehama trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC90402  Artemisia douglasiana John Thomas Howell 1960-8-20 36229 Tehama Morgan 1463 Comment
  CAS-BOT-BC90464  Artemisia douglasiana Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park, near Sulphur Works entrance station 2072 Comment
  JEPS29580  Artemisia douglasiana John Thomas Howell 1960-8-20 36229 Tehama near Lassen National Volcanic Park; Morgan 1463 Comment
  CAS-BOT-BC65873  Aspidotis densa Alice Eastwood 1912-8-22 1855 Shasta trail from Morgans Springs to Lassen Butte Comment
  CHSC61391  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1993-8-18 5850 Tehama E slope of Mt. Conard near the S boundary of the park. Lassen Volcanic National Park. 2078 Comment
  CHSC56264  Asplenium septentrionale Beth Corbin 1991-10-4 659 Tehama North side of Christie Hill, ca. 4 mi ENE of Mineral. Lassen National Forest, Susanville. 1950 Comment
  CHSC117578  Athyrium distentifolium var. americanum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21360 Tehama Wet area west of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127316  Athyrium distentifolium var. americanum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21360 Tehama About 50 yards south of Bluff Falls, about 1 miles south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  JEPS28762  Athyrium distentifolium var. americanum George W. Gillett 1957-8-13 1057 Tehama 1/2 mi from Sulphur Works Checking Station (Brokeoff Mt, near first major stream crossing); Lassen Volcanic Nat'l Park, Brokeoff Mt 2133 Comment
  CHSC117581  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21359 Tehama Wet area west of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127315  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21359 Tehama About 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  CHSC48283  Atriplex heterosperma Vernon Oswald 1987-9-8 3235 Tehama Hwy 36 at Morgan Summit, near the Lassen Park turn-off. 1752 Comment
  CHSC48284  Atriplex rosea Vernon Oswald 1987-9-8 3234 Tehama Hwy 36 at Morgan Summit, near the Lassen Park turn-off. 1752 Comment
  CAS-BOT-BC106472  Balsamorhiza sagittata E. B. Babcock 1903-7-1 4293 Tehama Near Morgan, Mount Lassen - Mill Creek Canyon 2438 Comment
  CHSC61399  Balsamorhiza sagittata Vernon Oswald; Lowell Ahart 1993-8-18 5826 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2468 Comment
  SEINET12765181  Balsamorhiza sagittata Barbara Ertter 1990-5-13 8959 Tehama Northeast side of county. North side Hwy 36 between Morgan Springs and Child Meadows, open W facing bank above Mill Creek.; 0 1463 Comment
  SJSU528  Balsamorhiza sagittata G. Witherspoon 1940-6-29 2156 Shasta near sulphur works, Lassen Volcanic National Park 2133 Comment
  UC2042811  Balsamorhiza sagittata Barbara Ertter 1990-5-13 8959 Tehama Northeast Tehama Co.: North side Highway 36 between Morgan Springs and Child Meadows, above Mill Creek Comment
  UC54088  Balsamorhiza sagittata H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4293 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC16358  Barbarea orthoceras John Thomas Howell 1960-8-20 36225 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC16673  Barbarea orthoceras Hans Leschke 1957-7-12 s.n. Shasta Lassen Volcanic National Park. Above Cold Boiling Lake. 2346 Comment
  CAS-BOT-BC102116  Bidens cernua Hans Leschke 1960-8-8 1807 Shasta Little Hot Springs Valley, Lassen Volcanic National park 2225 Comment
  CAS-BOT-BC413085  Bistorta bistortoides John Thomas Howell 1960-8-21 36299 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC15951  Boechera breweri subsp. breweri Hans Leschke 1961-8-18 1830 Shasta Lassen Volcanic National Park. Summit area of Diamond Peak. 2423 Comment
  JEPS53040  Boechera breweri subsp. breweri W. L. Jepson 1927-6-22 12288 Shasta ridge n Hot Springs Valley (near Lassen Peak) 1828 Comment
  CHSC38074  Boechera lemmonii R. E. Preston 1982-7-14 327 Shasta On NE ridge of Brokeoff Mtn, near summit; Lassen Volcanic National Park. 2682 Comment
  CHSC61413  Boechera lemmonii Vernon H. Oswald; Lowell Ahart 1993-8-18 5840 Tehama Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CHSC65398  Boechera lemmonii Vernon Oswald 1986-7-24 2239 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  CHSC60336  Boechera pinetorum Mary Ann Showers 1992-6-26 2583 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC14419  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CAS-BOT-BC14420  Boechera platysperma John Thomas Howell 1960-8-18 36093 Tehama Lassen Volcanic National Park. Sulphur Works Entrance Station. 2011 Comment
  CHSC38095  Boechera platysperma R. E. Preston 1983-8-6 402 Shasta SE side of Diamond Peak, near roadside, Lassen Volcanic National Park. 2218 Comment
  CHSC65451  Boechera platysperma Vernon Oswald 1986-7-24 2225 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. On flat overlooking Forest Lake. 2316 Comment
  UCD114437  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Brokeoff Mountain trail. 2682 Comment
  JEPS53083  Boechera rectissima W. L. Jepson 1927-6-22 12287 Shasta ridge n Hot Springs Valley (near Lassen Peak) 1828 Comment
  CHSC61412  Boechera retrofracta Vernon H. Oswald; Lowell Ahart 1993-8-18 5820 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2353 Comment
Read comments
Aug 9 2008
  CHSC65397  Boechera retrofracta Vernon Oswald 1986-7-24 2238 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  JEPS53082  Boechera retrofracta W. L. Jepson 1927-6-22 12294 Shasta ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  UC1036145  Boechera sparsiflora George W. Gillett 1953-7-3 262 Tehama near Diamond Peak; Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC25932  Boechera suffrutescens John Thomas Howell 1960-8-19 36145 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2590 Comment
  CHSC38027  Boechera suffrutescens R. E. Preston 1982-7-14 326 Tehama Lassen Park, on trail to Brokeoff Mtn. 2194 Comment
  CHSC61949  Brickellia grandiflora Vernon H. Oswald 1993-9-7 5926 Shasta Lassen Volcanic National Park. Lassen Hwy. on the N side of Diamond Pk., near the Diamond Pk. sign. 2316 Comment
  CAS-BOT-BC127685  Brickellia greenei John Thomas Howell 1960-8-23 36462 Tehama Lassen Loop s. of Diamond Peak 2194 Comment
  CAS-BOT-BC127686  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Bluff Falls 1981 Comment
  JEPS28117  Brickellia greenei J. Thomas Howell 1960-8-18 36025 Tehama near Lassen Volcanic National Park (Bluff Falls); Bluff Falls 1981 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
  RSA201257  Brickellia greenei J. T. Howell 1960-8-23 s.n. Tehama Lassen Loop south of Diamond Peak 2195 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
  UC1543812  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
  CAS-BOT-BC148705  Bromus carinatus var. marginatus Hans Leschke 1955-8-30 s.n. Plumas Lassen Volcanic National Park. Near Sulphur Works entrance station. 2133 Comment
  CAS-BOT-BC148847  Bromus carinatus var. marginatus John Thomas Howell 1960-8-18 36095 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station. 2011 Comment
  CHSC54547  Bromus inermis subsp. inermis Vernon H. Oswald 1991-8-16 4832 Shasta Lassen Volcanic Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  CHSC61447  Bromus suksdorfii Vernon H. Oswald; Lowell Ahart 1993-8-18 5815 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  JEPS28305  Bromus suksdorfii George W. Gillett 1957-8-18 1105 Tehama about 1/4 mi above the Sulphur Works Checking Station (lower portion of Brokeoff Trail, Brokeoff Mountain, Lassen Volcanic National Park); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CAS-BOT-BC185460  Calamagrostis canadensis John Thomas Howell 1960-8-18 36060 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CAS-BOT-BC185461  Calamagrostis canadensis John Thomas Howell 1960-8-18 36102 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station. 2011 Comment
  CAS-BOT-BC80460  Calocedrus decurrens Hans Leschke 1960-8-8 1741 Shasta below trail Ski Hut - Crumbaugh Lake 1981 Comment
  CAS-BOT-BC85756  Calocedrus decurrens John Thomas Howell 1960-8-20 36205 Tehama Near Lassen Volcanic National Park, Morgan 1463 Comment
  CHSC60292  Calocedrus decurrens Mary Ann Showers 1992-6-26 2585 Tehama Along West Sulfur Creek east of Sulfur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  UC1036323  Calochortus leichtlinii George W. Gillett 1952-8-11 179 Shasta 0.5 mi below Bumpas Hell (trail from Bumpas Hell to Kings Creek); Lassen Volcanic National Park 2377 Comment
  UC54193  Calochortus leichtlinii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4355 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC423002  Calochortus nudus Mrs. C. M. Wilder 1912-6-25 Tehama Morgan Spr. Comment
  UC54190  Calochortus nudus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4351 Tehama near Morgan (Park's Ranch); Mount Lassen, Mill Creek Canyon 1524 Comment
  UC54191  Calochortus nudus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4321 Tehama near Morgan (Park's Ranch); Mount Lassen, Mill Creek Canyon 2133 Comment
  JEPS60529  Caltha biflora W. L. Jepson 1910-6-6 4080 Plumas Hot Springs Valley, Lassen Peak. 1859 Comment
  CAS-BOT-BC175775  Caltha leptosepala C. R. Quick 1950-6-17 50 -30 Tehama Edge of Mill Creek Meadow, W of Gurnsey Camp Ground, Lassen National Forest Comment
  CAS-BOT-BC175784  Caltha leptosepala John Thomas Howell 1960-8-21 36298 Tehama Bluff Falls. Near Lassen Volcanic National Park 1981 Comment
  SBBG16034  Caltha leptosepala D. Myrick 1961-6-24 357 Shasta just outside S boundary of park on Mt Lassen Natl Park loop rd 1828 Comment
  UC1136678  Calyptridium umbellatum C. R. Clar Jul 1930 100 Shasta Tophet Spring; Lassen National Park, Tophet Spring 2133 Comment
  UC54458  Calyptridium umbellatum H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4386 Shasta near Soupan Springs (Mount Lassen); Mount Lassen 2377 Comment
  UC54564  Calystegia occidentalis subsp. occidentalis H. M. Hall and E. B. Babcock July 1-2, 1903 4393 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC37007  Capsella bursa-pastoris John Thomas Howell 1960-8-20 36247 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC19753  Carex abrupta Hans Leschke 1960-9-8 1800 Shasta Lassen Volcanic National Park. Little Hot Springs Valley. 2240 Comment
  CHSC102601  Carex abrupta L. P. Janeway 2009-7-26 9870 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  JEPS28399  Carex abrupta George W. Gillett 1957-8-18 1097 Tehama 1/4 mi above Sulphur Works Checking Station (lower portion of Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  JEPS63773  Carex abrupta W. L. Jepson 1910-6-9 4101 Plumas near Lassen Peak; Hot Springs Valley 1828 Comment
  SEINET4290093 Image available Carex abrupta Unknown 2009-1 9870 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek.assen Peak .....' quad. Comment
  CAS-BOT-BC17896  Carex angustata John Thomas Howell 1960-8-18 36075 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  UC55224  Carex angustata H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4347 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC55235  Carex angustata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4310 Shasta Mill Creek Mount Lassen, Mill Creek 2438 Comment
  JEPS97362  Carex aurea Vernon H. Oswald and L. Ahart 1995-7-17 7088 Tehama T29N R4E SW1/4 SE1/4 Sec. 20, 5160 ft, High Cascade Range, Yellow Pine Forest, volcanic soils. Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral 1572 Comment
  CAS-BOT-BC19643  Carex brainerdii John Thomas Howell 1960-8-19 36174 Shasta Lassen Volcanic National Park. Summit Ridge, Brokeoff Mountain. 2773 Comment
  CAS-BOT-BC19644  Carex brainerdii John Thomas Howell 1960-8-18 36016 Tehama Near Lassen Volcanic National Park. Morgan Summit. 1752 Comment
  CAS-BOT-BC34085  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2438 Comment
  UC823365  Carex breweri E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UCD140216  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CAS-BOT-BC20058  Carex echinata John Thomas Howell 1961-6-20 36579 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  UCD140295  Carex echinata subsp. echinata John Thomas Howell 1961-6-20 36579 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC19987  Carex feta John Thomas Howell 1960-8-20 36219 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC20756  Carex fracta John Thomas Howell 1960-8-18 36039 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CHSC102581  Carex fracta L. P. Janeway; B. Castro 2009-7-26 9872 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 0.5 road km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  CHSC106528  Carex fracta Peter F. Zika 2009-8-17 24610 Tehama Cascade Range Highlands (CaRH). 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. 1895 Comment
  SEINET3872074  Carex fracta Peter F. Zika 2009-8-17 24610 Tehama 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. Cascade Range Highlands.; 0 1895 Comment
  SEINET4231859 Image available Carex fracta Unknown 2009-1 9872 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. Comment
  SEINET4231860 Image available Carex fracta Unknown 2009-1 24610 Tehama 2.5 air km SSE of Bluff Falls, along FS road 29N22 at .2 road miles W of Route 89. Cascade Range Highlands. Comment
  SEINET7559362 Image available Carex fracta Barbara L. Wilson, Richard Brainerd, Bruce Newhouse 2004-8-28 11194 Lassen Near Bluff Falls in the Lassen National Forest, approximately 0.7 air mile south of the south boundary of Lassen Volcanic National Park on Highway 89. 1981 Comment
  CAS-BOT-BC20965  Carex heteroneura Hans Leschke 1961-8-18 1829 Shasta Lassen Volcanic National Park. Summit area Diamond Peak. 2423 Comment
  JEPS28390  Carex heteroneura George W. Gillett 1957-8-18 1102 Tehama about 1/4 mi below Sulphur Works Checking Station (lower portion of Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CAS-BOT-BC28197  Carex hoodii H. M. Hall; E. B. Babcock 1903-7-1 4346 Tehama Near Morgan, Mill Creek Canyon. 1524 Comment
  CAS-BOT-BC28199  Carex hoodii John Thomas Howell 1960-8-18 36088 Tehama Sulphur Works Checking Station, Lassen Volcanic National Park. 2011 Comment
  JEPS63577  Carex hoodii W. L. Jepson 1927-6-22 12299 Shasta ridge n Hot Springs Valley 1828 Comment
  UC55225  Carex hoodii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4308 Shasta Mill Creek Mount Lassen 2438 Comment
  UC55237  Carex hoodii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4346 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 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-BC31563  Carex luzulifolia John Thomas Howell 1960-8-19 36125 Tehama Brokeoff Mt. Trail 2346 Comment
  CHSC54536  Carex luzulifolia Vernon H. Oswald 1991-8-16 4830 Shasta Lassen Volcanic Park. Trail along the east side of Crumbaugh Lake. 2197 Comment
  CHSC102603  Carex luzulina L. P. Janeway 2009-7-26 9869 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  CAS-BOT-BC31672  Carex luzulina var. ablata John Thomas Howell 1960-8-18 36079 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC31939  Carex microptera John Thomas Howell 1960-8-18 36100 Tehama Sulphur Works Checking Station. 2011 Comment
  CAS-BOT-BC31940  Carex microptera Herbert Faulkner Copeland 1935-7-29 1499 Shasta Mt. Lassen, above West Sulphur Creek. 2000 Comment
  CAS-BOT-BC32188  Carex multicaulis John Thomas Howell 1960-8-19 36117 Tehama Brokeoff Mt. Trail. 2346 Comment
  UC1149884  Carex multicaulis Harold and Virginia Bailey 1948-8-28 3059 Tehama near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  CHSC102593  Carex multicostata L. P. Janeway 2009-7-26 9874 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  CHSC102613  Carex multicostata L. P. Janeway 2009-7-26 9873 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS116650  Carex multicostata L. P. Janeway 2009-7-26 9873 Tehama Lassen National Forest Lassen Peak (east side of Hwy 89 1.5 road km south of boundary of Lassen Vocanic National Park; 1.1 km west of (and above) Mill Creek); High Cascade Range 1966 Comment
  SEINET10338260  Carex multicostata Wallace Weber, John C. Cooke, Donald J. Pinkava, and David J. Keil 1969-1 2168 Shasta Shasta-Tehama [County line] 1.2 mi N of South entrance to Lassen Volcanic National Park, Rte 89 Comment
  SEINET4290154 Image available Carex multicostata Unknown 2009-1 9873 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  SEINET4290155 Image available Carex multicostata Unknown 2009-1 9874 Tehama High Cascade Range. Lassen National Forest, east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  CAS-BOT-BC119600  Carex nigricans Hans Leschke 1955-7-15 s.n. Shasta Cold boiling Lake. Comment
  CAS-BOT-BC119602  Carex nigricans Hans Leschke 1959-8-8 1628 Shasta Cold Boiling Lake Comment
  CHSC60431  Carex pachystachya Mary Ann Showers 1992-6-27 2645 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC60432  Carex pachystachya Mary Ann Showers 1992-6-26 2597 a Tehama Lassen Volcanic National Park. Edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC54496  Carex praeceptorum Vernon H. Oswald 1991-7-26 4767 Tehama Lassen Volcanic National Park. Forest Lake on the trail up Brokeoff Mtn. 2286 Comment
  CAS-BOT-BC117964  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC118028  Carex rossii John Thomas Howell; Gordon H. True 1960-8-19 36147 Tehama Brokeoff Mt. Trail 2590 Comment
  SD71018  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Near Lassen Volcanic National Park; Bluff Falls. 1981 Comment
  CAS-BOT-BC118271  Carex scopulorum var. bracteosa Hans Leschke 1956-9-21 s.n. Shasta Cold Boiling Lake 2257 Comment
  CAS-BOT-BC118272  Carex scopulorum var. bracteosa Hans Leschke 1959-8-8 1629 Shasta Cold Boiling Lake Comment
  CHSC54497  Carex scopulorum var. bracteosa Vernon H. Oswald 1991-7-26 4766 Tehama Lassen Volcanic National Park. Forest Lake on the trail up Brokeoff Mtn. 2286 Comment
  CAS-BOT-BC117757  Carex simulata Hans Leschke 1959-8-8 1625 Shasta Cold Boiling Lake. 2257 Comment
  CHSC102595  Carex specifica L. P. Janeway 2009-7-26 9875 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS116651  Carex specifica L. P. Janeway 2009-7-26 9875 Tehama Lassen National Forest Lassen Park (east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek); High Cascade Range 1966 Comment
  JEPS28389  Carex specifica George W. Gillett 1957-8-18 1104 Tehama about 1/4 mi above Sulphur Works C.S. (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mtn., Brokeoff Trail 2103 Comment
  SEINET4290224 Image available Carex specifica Unknown 2009-1 24612 Tehama Cascade Range Highlands, 2.5 air km SSE of Bluff Falls,along FS road 29N22 at 0.2 road miles W of Route 89 Comment
  SEINET4290225 Image available Carex specifica Unknown 2009-1 9875 Tehama High Cascade Range; Lassen National Forest; east side of Hwy 89, 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  UCD140894  Carex straminiformis John Thomas Howell 1960-8-19 36151 Tehama Brokeoff Mountain Trail. Lassen Volcanic National Park. 2682 Comment
  CAS-BOT-BC115876  Carex subfusca John Thomas Howell 1960-8-23 36456 Shasta Lassen Loop east of Diamond Peak 2225 Comment
  CAS-BOT-BC115877  Carex subfusca John Thomas Howell 1960-8-23 36451 Shasta Lassen Loop east of Diamond Peak 2255 Comment
  CAS-BOT-BC116615  Carex subfusca Hans Leschke 1960-8-8 1738 Lassen Below trail Ski Hut-Crumbaugh Lake. 1981 Comment
  CHSC106526  Carex subfusca Peter F. Zika 2009-8-17 24609 Tehama Cascade Range Highlands (CaRH). 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. 1895 Comment
  SEINET8573681 Image available Carex subfusca Unknown 2009-1 24609 Tehama Comment
  CAS-BOT-BC115429  Carex utriculata Hans Leschke 1954-9-24 s.n. Shasta Cold boiling Lake 2257 Comment
  CHSC60447  Carex vesicaria Mary Ann Showers 1992-6-26 2576 Tehama Lassen Volcanic National Park. Seep above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC102596  Carex whitneyi L. P. Janeway 2009-7-26 9871 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  JEPS116645  Carex whitneyi L. P. Janeway 2009-7-26 9871 Tehama Lassen National Forest Lassen Peak (east side of Hwy 89 0.5 km south of boundary of Lassen Vocanic National Park; 1.0 km west of (and above) Mill Creek); High Cascade Range 1990 Comment
  JEPS29554  Castilleja applegatei subsp. pinetorum John Thomas Howell 1960-8-19 36181 Shasta Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS3594  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-27 107 Shasta above Park Highway (near old forebay box); Lassen Volcanic National Park 2133 Comment
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Jul 16 2015
  JEPS3625  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-20 88 Shasta Sulphur Works area, above road and across from the store, in the vicinity of the forebay box Lassen Volcanic National Park Comment
  JEPS3626  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-14 79 Tehama above Sulphur Works Ski Lift area; Lassen Volcanic National Park 2072 Comment
  JEPS59020  Castilleja applegatei subsp. pinetorum Hans Leschke 1961-8-18 1824 Shasta n slope Diamond Pk.; Lassen Volcanic National Park Comment
  RSA46756  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-8-22 1784 Shasta Trail from Morgans Springs to Sulphur Works. Lassen Butte Region [Actually Shasta-Tehama Region] Comment
  UC1034007  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 22 1940-Jul 23 1940 26241 Tehama s of Sulphur Works (Route 89, Bluff Falls, s of Mount Lassen); Bluff Falls 1889 Comment
  UC1036245  Castilleja applegatei subsp. pinetorum George W. Gillett 1952-7-20 89 Shasta vicinity Sulphur Works (above road across from store); Lassen Volcanic National Park 2133 Comment
  UC885329  Castilleja applegatei subsp. pinetorum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain; Lassen Volcanic National Park 2743 Comment
  CAS-BOT-BC243711  Castilleja applegatei var. pinetorum George Gillett 1952-7-20 88 Shasta In the vicinity of the forebay box, above road and across from the store in the Sulphur Works area, Lassen Volcanic National Park Comment
  CAS-BOT-BC243733  Castilleja applegatei var. pinetorum John Thomas Howell 1960-8-19 36181 Shasta Summit ridge, Brokeoff Mt., Lassen Volcanic National Park 2773 Comment
  JEPS29555  Castilleja arachnoidea John Thomas Howell 1960-8-19 36169 Shasta Brokeoff Mountain, summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS3811  Castilleja arachnoidea Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. Lassen National Park 2865 Comment
  JEPS58897  Castilleja arachnoidea John Thomas Howell 1960-8-19 36169 Shasta Brokeoff Mountain, summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  UC1341807  Castilleja arachnoidea Noel H. Holmgren and James L. Reveal 1966-7-19 2903 Shasta slope between Bumpass Hell trail and Lassen Park road; Lassen Volcanic National Park 2414 Comment
  UC885474  Castilleja arachnoidea E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  SEINET14063409  Castilleja miniata H. M. Hall, E. B. Babcock 1903-1 4303 Shasta Mill Creek. 2438 Comment
  UC54608  Castilleja miniata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4303 Shasta Mill Creek Mount Lassen (Mount Lassen) 2438 Comment
  UC54609  Castilleja miniata H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4354 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  UC54614  Castilleja tenuis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4371 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UCD111990  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Tehama Near junction of Highway 36 and Highway 89. 1706 Comment
  SEINET263494  Ceanothus jepsonii R. J. Shaw 1993-5-23 5098 Tehama Lassen National Forest ; Mile marker 89 near Morgan Summit [near jct of Hwys 36 & 89] 1707 Comment
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May 17 2021
  JEPS2520 Image available Ceanothus prostratus var. laxus W. L. Jepson 1910-6-8 4099 Shasta mountain slopes near Hot Springs Valley (near Lassen Peak); ; Hot Springs Valley, near Lassen Peak 1828 Comment
  CHSC59192  Centaurea solstitialis Vernon H. Oswald 1992-9-9 5199 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. 1981 Comment
  SBBG16030  Cerastium fontanum D. Myrick 1961-6-24 360 Tehama St Hwy 36 ca. 2 mi E of Mineral 1524 Comment
  CAS-BOT-BC277784  Chaenactis nevadensis John Thomas Howell 1960-8-19 36161 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CHSC45653  Chaenactis nevadensis Vernon Oswald 1986-7-24 2230 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2682 Comment
  CHSC61400  Chaenactis nevadensis Vernon Oswald; Lowell Ahart 1993-8-18 5829 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conrad, near the S boundary of the park. 2468 Comment
  JEPS29567  Chaenactis nevadensis J. Thomas Howell 1960-8-19 36161 Tehama Brokeoff Mountain trail Lassen Volcanic National Park, Brokeoff Mountain 2682 Comment
  JEPS34212  Chaenactis nevadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt. 2743 Comment
  CHSC59085  Chamaesyce maculata Vernon H. Oswald 1992-8-19 5160 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) at the parking area, Brokeoff Mtn. trailhead. 2023 Comment
  CHSC117619  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21368 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC59180  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald 1992-9-9 5204 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  CHSC59181  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald 1992-9-29 5228 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC60289  Cheilanthes gracillima Mary Ann Showers 1992-6-26 2573 Tehama East of Sulphur Works Entrance Station above West Sulphur Creek. Lassen Volcanic National Park. 1950 Comment
  JEPS60024  Cheilanthes gracillima Joseph Grinnell 1925-7-12 Shasta Broke-off Mt Broke-off Mt 2133 Comment
  JEPS60026  Cheilanthes gracillima W. L. Jepson 1927-6-22 12289 Shasta ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  CHSC59083  Chenopodium album Vernon H. Oswald 1992-8-19 5156 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  CHSC69679  Chenopodium atrovirens Vernon Oswald 1986-7-24 2224 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2194 Comment
  CHSC59084  Chenopodium pratericola Vernon H. Oswald 1992-8-19 5156 .1 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  CHSC61421  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1993-8-18 5816 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the boundary of the park. 2151 Comment
  CAS-BOT-BC36233  Chrysolepis sempervirens M. S. Jussel 1931-9-7 s.n. Shasta Bumpass Hell Trail, Mt. Lassen 2286 Comment
  CAS-BOT-BC36365  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail 2590 Comment
  UCD110131  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail. 2590 Comment
  GH387036  Chrysothamnus viscidiflorus A. Eastwood 1912-08-22 - 1912-08-26 1886 Unknown Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC100784  Chrysothamnus viscidiflorus subsp. viscidiflorus Alice Eastwood 1912-8-22 1886 Tehama [Morgans] Morgan Springs, Lassen Butte Region Comment
  CAS-BOT-BC279850  Cichorium intybus John Thomas Howell 1960-8-20 36252 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC285353  Cirsium andersonii John Thomas Howell 1960-8-20 36271 Tehama Near Lassen Volcanic National Park. Between Morgan and Childs Meadows 1524 Comment
  CAS-BOT-BC278070  Cirsium douglasii var. breweri John Thomas Howell 1960-8-20 36232 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  JEPS28114  Cirsium douglasii var. breweri John Thomas Howell 1960-8-20 36232 Tehama near Lassen Volcanic National Park; Morgan 1463 Comment
  UCD130607  Cirsium douglasii var. breweri John Thomas Howell 1960-8-20 36232 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  CAS-BOT-BC286477  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC286478  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC286479  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC286481  Cirsium scariosum H. M. Hall; E. B. Babcock 1903-7-1 4373 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon) 1524 Comment
  CAS-BOT-BC292712  Cirsium scariosum John Thomas Howell 1960-8-21 36317 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC292713  Cirsium scariosum John Thomas Howell 1960-8-21 36317 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  JEPS29576  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Sulphur Works entrance station Lassen Volcanic National Park 2011 Comment
  JEPS29577  Cirsium scariosum John Thomas Howell 1960-8-19 36185 Shasta summit ridge, Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  UC53860  Cirsium scariosum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4373 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC285743  Cirsium vulgare John Thomas Howell 1960-8-20 36269 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC438979  Cistanthe monosperma John Thomas Howell 1960-8-21 36287 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC228930  Cistanthe umbellata Alice Eastwood 1912-8-22 1762 Shasta Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC228932  Cistanthe umbellata M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC228994  Cistanthe umbellata John Thomas Howell 1960-8-19 36160 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  JEPS43346  Claytonia lanceolata W. L. Jepson 1927-6-22 12285 Shasta ridge n Lassen Peak (Hot Springs Valley); Hot Springs Valley 1828 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
  JEPS43383  Claytonia palustris W. L. Jepson 1927-6-23 12320 Plumas some mi w Morgan Springs Comment
Read comments
Jul 10 2009
  UC54653  Collinsia torreyi var. latifolia H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4406 Tehama near Morgan (Mount Lassen); Mount Lassen 1524 Comment
  UC1024369  Collinsia torreyi var. wrightii George W. Gillett 1952-7-13 66 Shasta vicinity of Sulphur Works (near Store Building LVNP 6950, along trail to small cabins, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC54655  Collinsia torreyi var. wrightii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4299 Shasta Mount Lassen, Soupan Springs Soupan Springs; Mount Lassen, Soupan Springs 2438 Comment
  CHSC60370  Collomia tinctoria Mary Ann Showers 1992-6-26 2565 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC1024387  Collomia tinctoria George W. Gillett 1952-8-17 197 Shasta on Little Hot Springs Valley grade 2 mi below Bumpas Hell trail origin; Lassen Volcanic National Park, Lassen Peak Highway 2346 Comment
  UC54543  Collomia tinctoria H. M. Hall and E. B. Babcock July 1-2, 1903 4359 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC60470  Corallorhiza maculata Mary Ann Showers 1992-6-26 2571 Tehama East of Sulphur Works Entrance Station above West Sulphur Creek. Lassen Volcanic National Park. 1950 Comment
  JEPS64326  Corallorhiza maculata Violet Richardson 1923-7-11 Shasta near the boiling lake (foot of mt.); Lassen Peak Comment
  SBBG15974  Corydalis caseana D. Myrick 1961-6-24 358 Tehama St Hwy 36 ca. 2 mi E of Mineral 1676 Comment
  CAS-BOT-BC401887  Corydalis caseana subsp. caseana John Thomas Howell 1961-6-20 36585 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC401889  Corydalis caseana subsp. caseana H. M. Hall; E. B. Babcock 1903-7-1 4291 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon) 1524 Comment
  CHSC65057  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1995-7-17 7090 Tehama High Cascade Range. Forest Road 30N16 1.9 mi N of Hwy. 36, 3 mi S of the SW corner of Lassen Volcanic National Park. 1706 Comment
  JEPS16252  Corydalis caseana subsp. caseana H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4291 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC854987  Corydalis caseana subsp. caseana E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Brokeoff Trail 2286 Comment
Read comments
Oct 26 2007
  UC854992  Corydalis caseana subsp. caseana Alice Eastwood Aug 22 1912-Aug 26 1912 1758 Tehama trail from Morgan's Springs to Sulphur Works; Lassen Butte Region Comment
  CHSC60311  Crepis monticola Mary Ann Showers 1992-6-28 2635 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  JEPS3736  Crepis occidentalis George Gillett 1952-8-10 168 Shasta 1 1/2 mi below (sw) Emerald Lake (above main hwy through Park); Lassen Volcanic National Park 2346 Comment
  UC1036327  Crepis occidentalis George W. Gillett 1952-8-17 196 Shasta on Little Hot Springs Valley Grade 2 mi below Bumpas Hell trail origin (Lassen Peak Hwy); Lassen Volcanic National Park 2346 Comment
  CHSC48141  Crepis occidentalis subsp. conjuncta Vernon Oswald 1986-7-24 2231 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National park. 2773 Comment
  CHSC61402  Crepis occidentalis subsp. conjuncta Vernon H. Oswald; Lowell Ahart 1993-8-18 5827 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. 2468 Comment
  CHSC59191  Crypsis schoenoides Vernon H. Oswald 1992-9-29 5224 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC60331  Cryptantha torreyana Mary Ann Showers 1992-6-26 2566 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS28761  Cryptogramma cascadensis George W. Gillett 1957-8-13 1056 Tehama 1/2 mi above Sulphur Works Checking Station (near first major stream crossing, Brokeoff Mt Trail); Lassen Volcanic Nat'l Park 2133 Comment
  JEPS59986  Cryptogramma cascadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt 2743 Comment
  UC1063759  Cryptogramma cascadensis H. A. Jensen 1934-10-6 385 Shasta Bumpas Peak Lassen Nat'l Park, Paynes Creek Quadrangle, Bumpas Peak Comment
  UC569955  Cryptogramma cascadensis H. A. Jensen 1934-10-6 385 Shasta Bumpas Peak; Paynes Creek Quadrangle 2651 Comment
  UC1036307  Cuscuta californica George W. Gillett 1952-8-24 218 Shasta vicinity Sulphur Works; Lassen Volcanic National Park 2118 Comment
  UCD121385  Cycladenia humilis John Thomas Howell 1960-8-19 36168 Tehama Brokeoff Mountain trail. 2682 Comment
  CHSC28744  Cycladenia humilis var. humilis R. A. Schlising 1979-9-13 3489 Shasta Lassen National Park, trail to peak of Brokeoff Mountain. 2682 Comment
  CHSC43594  Cycladenia humilis var. humilis Vernon Oswald 1984-7-16 1605 Tehama 29N22, 2.8 mi w of Hwy 89 (to Lassen Park). 1828 Comment
  JEPS49766  Cycladenia humilis var. humilis Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  JEPS49769  Cycladenia humilis var. humilis W. L. Jepson 1927-6-22 12295 Shasta ridge n Hot Springs Valley (Lassen Peak); , n of Hot Springs Valley 1828 Comment
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  CHSC60298  Cymopterus terebinthinus var. californicus Mary Ann Showers 1992-6-26 2567 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC59188  Cyperus niger Vernon H. Oswald 1992-9-9 5205 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at it mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  CHSC44605  Cystopteris fragilis Vernon Oswald 1986-7-28 2243 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2362 Comment
  JEPS35108  Cystopteris fragilis W. L. Jepson 1927-6-22 12290 Shasta ridge n of Hot Springs Valley; Lassen Volcanic Nat'l Park 1828 Comment
  CAS-BOT-BC189843  Dactylis glomerata John Thomas Howell 1960-8-20 36249 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC192286  Danthonia californica John Thomas Howell 1960-8-18 36023 Tehama Bluff Falls 1981 Comment
  JEPS28463  Delphinium nuttallianum George W. Gillett 1957-8-13 1053 Tehama near Brokeoff Mountain Trail 1/4 mi above Sulphur Works Checking Station; Lassen Volcanic National Park 2072 Comment
  UC54274  Delphinium nuttallianum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4362 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC149680  Deschampsia cespitosa subsp. cespitosa H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4350 Tehama near Morgan Morgan; Mill Creek Canyon 1524 Comment
  UC1558235  Deschampsia elongata Harold and Virginia Bailey 1948-8-28 3070 b Tehama near Sulphur Creek Campground Sulphur Creek Campground; Lassen Volcanic Nat'l Park 2011 Comment
  CHSC60368  Dicentra formosa Mary Ann Showers 1992-6-26 2579 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works entrance station. 1828 Comment
  JEPS9560  Dicentra formosa W. L. Jepson 1927-6-22 12298 Shasta near Lassen Peak (ridge n of Hot Springs Valley); Hot Springs Valley 1767 Comment
  SJSU556  Dicentra formosa G. Witherspoon 1940-6-29 2159 Shasta near SW entrance station, Lassen Volcanic National Park 2042 Comment
  UC1036319  Dicentra formosa George W. Gillett 1952-8-11 174 Shasta 1 mi below Bumpas Hell (trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC54484  Dicentra formosa H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4390 Tehama near Morgan (Morgan Spring Valley); Mount Lassen, Mill Creek Canyon 1524 Comment
  UC855119  Dicentra formosa E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CAS-BOT-BC402459  Dicentra formosa subsp. formosa Hans Leschke 1957-7-12 s.n. Shasta Lassen Volcanic National Park. Above Cold Boiling Lake 2377 Comment
  CAS-BOT-BC402485  Dicentra formosa subsp. formosa Alice Eastwood 1912-8-22 1875 Tehama Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC402487  Dicentra formosa subsp. formosa John Thomas Howell 1960-8-18 36028 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC54483  Dicentra uniflora H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4298 Shasta Soupan Springs; Mount Lassen 2438 Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  SEINET242312 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7167 Shasta Lassen NP ; Sulfur Works 2134 Comment
  UCR141670  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works 2134 Comment
  JEPS40724  Dieteria canescens var. shastensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mountain 2865 Comment
  CAS-BOT-BC208723  Distichlis spicata C. S. Robinson 1928-9-18 119 Lassen Hanna Estate, Morgan Springs 1508 Comment
  CAS-BOT-BC136078  Dodecatheon alpinum Hans Leschke 1957-7-12 s.n. Shasta Above Cold Boiling Lake - Lassen Volcanic National Park 2377 Comment
  CAS-BOT-BC136199  Dodecatheon alpinum John Thomas Howell 1961-6-20 36586 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC136200  Dodecatheon alpinum Alice Eastwood 1912-8-22 1839 Tehama Trail from Morgan's Springs - Lassen Butte Comment
  JEPS14673  Dodecatheon alpinum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  SBBG16040  Dodecatheon alpinum D. Myrick 1961-6-24 355 Shasta Mt Lassen Nat Park loop rd just S of southern boundary of park 1828 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
  CAS-BOT-BC159324  Drymocallis lactea var. lactea Alice Eastwood 1912-8-22 1876 Shasta Morgans Springs, Lassen Butte Region Comment
  JEPS28767  Drymocallis pseudorupestris var. saxicola George W. Gillett 1957-8-13 1064 Tehama near Brokeoff Mountain trail (niches of e cliffs of main Brokeoff structure); near Brokeoff Mountain trail 2514 Comment
  CHSC117620  Dysphania botrys Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21367 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC54864  Dysphania botrys Vernon H. Oswald 1991-9-1 4857 Tehama Lassen Volcanic Park. Lasen Hwy (Hwy 89) just inside the south park boundary. 1999 Comment
  JEPS127108  Dysphania botrys Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21367 Tehama A little south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC61973  Dysphania pumilio Vernon H. Oswald 1993-9-7 5925 Tehama Lassen Volcanic National Park. Lassen Chalet at the Southwest Entrance Station. Weed on N edge of the parking lot. 2049 Comment
  CAS-BOT-BC197246  Echinochloa muricata John Thomas Howell 1960-8-20 36267 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC113415  Eleocharis bella John Thomas Howell 1960-8-18 36047 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC112777  Eleocharis macrostachya John Thomas Howell 1960-8-20 36217 Tehama Morgan, near Lassen Volcanic National Park. 1463 Comment
  UCD62810  Elymus X hansenii John Thomas Howell 1960-8-18 36084 Tehama Sulphur Works Checking Station. Lassen Volcanic National Park. 2011 Comment
  CAS-BOT-BC237631  Elymus X saundersii John Thomas Howell 1960-8-18 36086 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC227932  Elymus elymoides John Thomas Howell 1960-8-19 36165 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  RSA201306  Elymus elymoides J. T. Howell 1960-8-19 36165 Tehama Brokeoff Mountain trail 2683 Comment
  RSA201352  Elymus elymoides J. T. Howell 1960-8-19 36165 Tehama Brokeoff Mountain trail 2683 Comment
  UCD61413  Elymus elymoides John Thomas Howell 1960-8-19 36176 Shasta Summit ridge, Brokeoff Mt. 2743 Comment
  CHSC35619  Elymus elymoides subsp. elymoides R. E. Preston 1981-7-19 111 B Shasta Meadow. At the Sulfur Works, Lassen National Park. 2148 Comment
  JEPS28325  Elymus elymoides subsp. elymoides George W. Gillett 1957-8-18 1099 Tehama lower portion of Brokeoff Mt. Trail about 1/4 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CAS-BOT-BC203407  Elymus glaucus subsp. glaucus W. B. Cooke; V. G. Cooke 1962-8-14 33477 Tehama Openings along Broke-Off Mountain Trail, Lassen Volcanic National Park Comment
  CAS-BOT-BC203733  Elymus glaucus subsp. glaucus John Thomas Howell 1960-8-18 36083 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC204308  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1960-8-18 36085 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CHSC59150  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald; Steve Mitchelson 1992-8-5 5148 Tehama Lassen Volcanic National Park. Jeep trail on the ski slope aove Lassen Hwy., near the SW Entrance Station. 2048 Comment
  CHSC54543  Elytrigia intermedia subsp. intermedia Vernon H. Oswald 1991-8-16 4831 Shasta Lassen Volcanic Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  CHSC59089  Epilobium ciliatum subsp. glandulosum Vernon H. Oswald 1992-8-19 5167 Tehama Lassen Volcanic National Park. Drainage W of the upper end of the ski lift, ca. 0.5 mi NW of the Southwest Entrance Station. On the edge of streamlets in a meadow. 2182 Comment
  CHSC46577  Epilobium glaberrimum subsp. fastigiatum Vernon Oswald 1986-7-28 2249 Shasta Trail between Bumpass Hell and Cold Boiling Lake at a point overlooking Crumbaugh Lake, Lassen Volcanic National Park. 2362 Comment
  JEPS39343  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1927-6-23 12322 Tehama Morgan Sprs. 1524 Comment
  CHSC46583  Epilobium hallianum Vernon H. Oswald 1989-7-24 3889 Shasta Crumbaugh Lake, Lassen Volcanic Park. Along the southwest shore of the lake. 2194 Comment
  UC54448  Epilobium hallianum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4339 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC46580  Epilobium hornemannii subsp. hornemannii Vernon H. Oswald 1989-7-24 3890 Shasta Crumbaugh Lake, Lassen Volcanic Park. Along the southwest shore of the lake. 2194 Comment
  UC1036281  Epilobium hornemannii subsp. hornemannii George W. Gillett 1952-7-27 106 Shasta above hwy near hot springs; Lassen Volcanic National Park, Vicinity of Sulphur Works 2118 Comment
  CHSC61432  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1993-8-18 5828 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. At the N end of the ridge. 2468 Comment
  JEPS28771  Epilobium obcordatum George W. Gillett 1957-8-13 1068 Tehama s exposure of upper Brokeoff formation Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS39220  Epilobium obcordatum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  UC1036329  Epilobium obcordatum George W. Gillett 1952-8-17 199 Shasta on Little Hot Springs Valley Grade 2 mi below Bumpas Hell trail origin (above Lassen Peak Hwy, near drinking fountain); Lassen Volcanic National Park 2286 Comment
  UC873453  Epilobium obcordatum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  CAS-BOT-BC56969  Equisetum arvense John Thomas Howell 1960-8-18 36053 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC286682  Ericameria bloomeri Alice Eastwood 1912-8-22 1879 Shasta Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC286683  Ericameria bloomeri M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2133 Comment
  GH387290  Ericameria bloomeri A. Eastwood 1912-08-22 - 1912-08-26 1879 Unknown Morgans Springs, Lassen Butte Region Comment
  UCD67758  Ericameria bloomeri Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  UCD67877  Ericameria bloomeri D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-12 s.n. Shasta Lassen Volcanic National Park. Perennial plant communities in rocky slopes at Brokeoff Mountain. 2690 Comment
  CAS-BOT-BC287469  Ericameria greenei John Thomas Howell 1960-8-19 36191 Tehama Lassen Volcanic National Park. Brokeoff Mt 2804 Comment
  CAS-BOT-BC287470  Ericameria greenei John Thomas Howell 1960-8-19 36157 A Tehama Lassen Volcanic National Park. Brokeoff Mt 2682 Comment
  CAS-BOT-BC287473  Ericameria greenei John Thomas Howell 1960-8-18 36092 A Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC287476  Ericameria greenei Hans Leschke 1954-9-22 s.n. Tehama Lassen Volcanic National Park. Brokeoff Mt 2316 Comment
  CHSC33236  Ericameria greenei R. A. Schlising 1979-9-13 3490 Shasta Lassen National Park, trail to peak of Brokeoff Mountain. 2682 Comment
  CHSC48160  Ericameria greenei Vernon Oswald 1986-8-4 2269 Shasta Brokeoff Mt. Trail, Lassen Volcanic National Park. 2682 Comment
  JEPS29549  Ericameria greenei John Thomas Howell 1960-8-19 36157 A Tehama rocky s slope Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2682 Comment
  CAS-BOT-BC299454  Ericameria nauseosa var. speciosa M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2286 Comment
  CAS-BOT-BC299455  Ericameria nauseosa var. speciosa M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2286 Comment
  CHSC117623  Ericameria nauseosa var. speciosa Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21365 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC61401  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5833 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conrad, near the south boundary of the park. 2490 Comment
  JEPS127106  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21365 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  JEPS29561  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-21 36311 Tehama 1/2 mi se of Sulphur Works; Lassen Volcanic National Park 2133 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
  CHSC54514  Erigeron coulteri Vernon H. Oswald 1991-8-16 4828 Shasta Lassen Volcanic National Park. Slope just west of Cold Boiling Lake. 2267 Comment
  CHSC61403  Erigeron elegantulus Vernon H. Oswald; Lowell Ahart 1993-8-18 5839 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CHSC43605  Erigeron glacialis var. glacialis Vernon Oswald 1986-7-28 2246 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2316 Comment
  JEPS41392  Erigeron glacialis var. glacialis Jos. Grinnell 1925-7-27 Tehama Broke-off Mountain 2438 Comment
  JEPS41403  Erigeron glacialis var. glacialis Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2438 Comment
  UC54100  Erigeron glacialis var. glacialis H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4322 Tehama Park's Ranch, s side of Mount Lassen 2133 Comment
  CHSC60308  Erigeron inornatus var. inornatus Mary Ann Showers 1992-6-26 2593 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS29564  Erigeron inornatus var. inornatus John Thomas Howell 1960-8-20 36222 Tehama Morgan Morgan. Near Lassen Volcanic National Park 1219 Comment
  CHSC65045  Erigeron lassenianus var. lassenianus Vernon H. Oswald; Lowell Ahart 1995-7-17 7092 Tehama High Cascade Range. Forest Road 29N22 2.9 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1737 Comment
  JEPS97338  Erigeron lassenianus var. lassenianus Vernon H. Oswald and L. Ahart 1995-7-17 7092 Tehama T29N R4E NE1/4 NE1/4 Sec. 17, 5700 ft, High Cascade Range, Yellow Pine Forest, volcanic soils. Forest Road 29N22 2.9 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park 1737 Comment
  CAS-BOT-BC256170  Eriogonum douglasii var. meridionale Clare B. Hardham 1961-6-16 7477 Plumas Diamond Peak, Sierra Nevada Mountains 457 Comment
  CHSC95195  Eriogonum marifolium R. D. Fischer 2005-8-1 842 Tehama Cascade Range High in Lassen National Volcanic Park. Specimen found along Ridge Lake Trail out of Sulfur Works. 1981 Comment
  UCD100387  Eriogonum marifolium John Thomas Howell 1960-8-19 36199 Tehama Brokeoff Mt., summit ridge. 2804 Comment
  CAS-BOT-BC263204  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36199 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CAS-BOT-BC263205  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36137 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CHSC60377  Eriogonum marifolium var. marifolium Mary Ann Showers 1992-6-27 2604 Shasta Lassen Volcanic National Park. Pumice flat northwest of Crescent Crater. 2194 Comment
  CAS-BOT-BC272457  Eriogonum nudum var. pubiflorum Alice Eastwood 1912-8-22 1869 Shasta Morgans Springs, Lassen Butte Region Comment
  CHSC117621  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21366 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC60378  Eriogonum nudum var. pubiflorum Mary Ann Showers 1992-6-26 2591 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS127112  Eriogonum nudum var. pubiflorum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21366 Tehama A little south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  UC727134  Eriogonum nudum var. pubiflorum A. A. Heller 1941-8-11 16282 Shasta near head of Little Hot Spring Valley; Lassen Volcanic National Park Comment
  CHSC60379  Eriogonum ovalifolium var. nivale Mary Ann Showers 1992-6-27 2605 Shasta Lassen Volcanic National Park. Pumice flat northwest of Crescent Crater. 2194 Comment
  CAS-BOT-BC252952  Eriogonum pyrolifolium var. pyrolifolium Noel H. Holmgren; James L. Reveal 1966-7-19 2904 Shasta Slope between Bumpass Hell Trail and Lassen Park Road, Lassen Volcanic National Park 2414 Comment
  SEINET10226338  Eriogonum pyrolifolium var. pyrolifolium Noel H. Holmgren, James L. Reveal 1966-1 2904 Shasta Lassan Volcanic National Park; slope between Bumpass Hell trail and Lassan Park road 2414 Comment
  CAS-BOT-BC268626  Eriogonum spergulinum var. reddingianum Alice Eastwood 1912-8-22 1752 Tehama Trail from Morgans Springs to Sulphur Works. Lassen Butte Region Comment
  CHSC60382  Eriogonum spergulinum var. reddingianum Mary Ann Showers 1992-6-26 2564 Tehama Lassen Volcanic National Park. Ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CAS-BOT-BC262784  Eriogonum strictum var. proliferum Clare B. Hardham 1961-6-16 7478 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CHSC61434  Eriogonum umbellatum var. nevadense Vernon H. Oswald; Lowell Ahart 1993-8-18 5835 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Locally common along the rocky ridge S of the highest point. 2490 Comment
  CAS-BOT-BC262201  Eriogonum ursinum Alice Eastwood 1912-8-22 1789 Tehama Trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC262277  Eriogonum ursinum John Thomas Howell 1960-8-19 36179 Shasta Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2773 Comment
  CAS-BOT-BC262283  Eriogonum ursinum George W. Gillett 1957-8-13 1065 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2514 Comment
  UC54219  Eriogonum ursinum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4405 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC912756  Eriogonum ursinum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  CAS-BOT-BC54564  Erysimum capitatum John Thomas Howell 1960-8-19 36163 Tehama Brokeoff Mountain Trail. 2682 Comment
  UC1036192  Erysimum capitatum George W. Gillett 1952-8-2 309 Shasta on road embankment one mi below hot springs; Lassen Volcanic National Park, vicinity of Sulphur Works 1981 Comment
  UC1036246  Erysimum capitatum George W. Gillett 1952-7-20 84 Shasta along shoulder of hwy below springs; Lassen Volcanic National Park, vicinity of Sulphur Works 2133 Comment
  UC1036269  Erysimum capitatum George W. Gillett 1952-7-14 69 Shasta rocky hillside between ski lift and hot springs; Lassen Volcanic National Park, vicinity of Sulphur Works 2103 Comment
  CHSC25750  Erysimum capitatum var. capitatum John Steiner 1977-6-9 60 Shasta Lassen Volcanic National Park. On s face of Diamond Peak, 3 km e of Brokeoff Mountain. 2195 Comment
  CHSC65048  Erysimum capitatum var. capitatum Vernon H. Oswald; Lowell Ahart 1995-7-17 7095 Tehama High Cascade Range. Forest Road 29N22 2.4 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1780 Comment
  RSA101878  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-20 891 Tehama Just N of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park. Comment
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Jul 19 2013
  RSA113762  Erysimum capitatum var. perenne George W. Gillett 1952-8-2 309 Shasta 1 mile below hot springs. Vicinity of Sulphur Works. 1982 Comment
  CAS-BOT-BC54946  Erysimum perenne G. B. Rossbach; R. P. Rossbach 1938-7-20 891 Tehama Just north of Sulphur Works mud volcanoes, Lassen Volcanic National Park Comment
  CHSC38096  Erysimum perenne R. E. Preston 1983-8-6 404 Shasta Near summit of Diamond Peak, Lassen Volcanic National Park. 2316 Comment
  GH379548  Erysimum perenne G. W. Gillett 1952-7-20 84 Unknown Along shoulder of highway below springs. Vicinity of Sulphur Works 2133 Comment
  GH379549  Erysimum perenne G. W. Gillett 1952-8-2 309 Unknown One mile below hot springs on road embankment. Vicinity of Sulphur Works 1981 Comment
  GH379557  Erysimum perenne G. B. Rossbach & R. P. Rossbach 1938-7-20 891 Unknown just north of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park, no. Tehama Co. Comment
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Jul 19 2013
  UC1543773  Erysimum perenne Harold and Virginia Bailey 1948-8-27 3055 Tehama Loop Hwy overlooking Sulphur Creek (below Sulphur Works); Lassen Volcanic National Park 2072 Comment
  CHSC65068  Erythranthe breweri Vernon H. Oswald; Lowell Ahart 1995-7-17 7093 Tehama Forest Road 29N22 2.9 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1737 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
  CHSC49010  Erythranthe tilingii Vernon Oswald 1986-8-4 2264 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2346 Comment
  CHSC61445  Erythronium purpurascens Vernon H. Oswald; Lowell Ahart 1993-8-18 5823 Tehama E slope of Mt. Conard just below the summit ridge, near the S boundary of Lassen Volcanic National Park. 2414 Comment
  JEPS61871  Erythronium purpurascens W. L. Jepson 1910-6-6 4079 Shasta Hot Springs Valley Lassen Pk. 1889 Comment
  UC1036268  Erythronium purpurascens George W. Gillett 1952-7-13 63 Shasta vicinity of Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC54200  Erythronium purpurascens H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4294 Shasta Soupan Springs Mount Lassen 2438 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-BC310391  Eucephalus breweri Alice Eastwood 1912-8-22 1828 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC310393  Eucephalus breweri M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC310404  Eucephalus breweri John Thomas Howell 1960-8-19 36110 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  CAS-BOT-BC310407  Eucephalus breweri John Thomas Howell 1960-8-19 36132 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CHSC43618  Eucephalus breweri Vernon H. Oswald 1986-7-28 2248 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2286 Comment
  JEPS29568  Eucephalus breweri J. Thomas Howell 1960-8-19 36166 Tehama Brokeoff Mountain Trail 2682 Comment
  JEPS3340  Eucephalus breweri George Gillett 1952-8-17 197 Shasta Sulphur Works, along roadside Lassen Volcanic National Park, Sulphur Works 2118 Comment
  UC894597  Eucephalus breweri E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Lassen Volcanic National Park 2286 Comment
  UC894620  Eucephalus breweri Alice Eastwood Aug 22 1912-Aug 26 1912 1828 Shasta trail from Morgan Springs to Lassen Butte Lassen Butte Comment
  UCD132281  Eucephalus breweri John Thomas Howell 1960-8-19 36166 Tehama Brokeoff Mountain trail. 2682 Comment
  UCD142808  Euphorbia serpillifolia John Thomas Howell 1960-8-18 36031 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC310511  Eurybia integrifolia John Thomas Howell 1960-8-19 36130 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  UC893029  Eurybia integrifolia E. G. Anderson 1935-9-1 Shasta Crumbaugh Lake 2197 Comment
  UC2042997  Floerkea proserpinacoides Barbara Ertter 1990-5-13 8962 Tehama Northeast Tehama Co.: South side Highway 36 between Morgan Springs and Child Meadows, along Mill Creek. Comment
  UC54485  Floerkea proserpinacoides H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4315 Shasta below Soupan Springs (Mount Lassen); Mount Lassen 2286 Comment
  CHSC60469  Fritillaria atropurpurea Mary Ann Showers 1992-6-26 2587 a Tehama Along West Sulphur Creek east of Sulphur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  UC2042999  Fritillaria atropurpurea Barbara Ertter 1990-5-13 8957 Tehama Northeast Tehama Co.: North side Highway 36 between Morgan Springs and Child Meadows, open W-facing bank above Mill Creek. Comment
  UC54207  Fritillaria atropurpurea H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4304 Shasta Mount Lassen, Soupan Springs Soupan Springs; Mount Lassen, Soupan Springs 2438 Comment
  CHSC60402  Galium aparine Mary Ann Showers 1992-6-26 2586 a Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC54583  Galium aparine H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4387 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC61438  Galium bifolium Vernon Oswald; Lowell Ahart 1993-8-18 5817 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2200 Comment
  JEPS6510  Galium bifolium W. L. Jepson 1910-6-9 4105 Shasta near Lassen Peak; Hot Springs Valley 1828 Comment
  UC54584  Galium bifolium H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4314 Shasta Soupan Springs Mount Lassen 2438 Comment
  JEPS6709  Galium bolanderi W. L. Jepson 1927-6-22 12291 Plumas ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  JEPS27419  Galium grayanum Ehrendorfer, Stebbins, and Dempster 1959-9-27 5964 Shasta Brokeoff Mountain Lassen National Park Comment
  JEPS29540  Galium grayanum John Thomas Howell 1960-8-19 36135 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2438 Comment
  JEPS29541  Galium grayanum John Thomas Howell 1960-8-19 36178 Shasta summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS58895  Galium grayanum John Thomas Howell 1960-8-19 36135 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2438 Comment
  CHSC43738  Galium grayanum var. grayanum Vernon Oswald 1986-6-25 2155 Shasta Lassen Hwy at Diamond Pk. 2225 Comment
  UC888954  Galium grayanum var. grayanum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UC54585  Galium trifidum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4353 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC60408  Galium triflorum Mary Ann Showers 1992-6-26 2586 b Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  GH417050  Galium triflorum A. Eastwood 1912-08-22 - 1912-08-26 1805 Unknown trail from Morgans Springs to Lassen Butte Comment
  CHSC58028  Gaultheria humifusa Vernon H. Oswald; G. Gray, S. Mitchelson, S. Rosas 1992-6-4 4981 Tehama Lassen Volcanic National Park. Spring-fed streamlet crossing Lassen Hwy. at the SW Entrance Station. On the W side of the highway. 2042 Comment
  UC54441  Gayophytum diffusum subsp. diffusum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4368 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS27533  Gayophytum humile W. L. Jepson 1927-6-22 12293 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  CHSC43680  Gentianopsis simplex Vernon Oswald 1984-7-16 1601 Tehama 30N16, 5.0 mi w of Hwy 89 (to Lassen Park) via 29N22. 1828 Comment
  UC54343  Geum macrophyllum var. perincisum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4333 Tehama near Morgan (Mount Lassen, Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC280556  Glyceria elata Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park. Near Sulphur Works entrance station 2133 Comment
  CHSC60475  Glyceria elata Mary Ann Showers 1992-6-28 2646 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC60476  Glyceria elata Mary Ann Showers 1992-6-26 2595 Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC302590  Gnaphalium palustre John Thomas Howell 1960-8-18 s.n. Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC60317  Gnaphalium palustre Mary Ann Showers 1992-6-27 2652 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC102609  Hackelia californica L. P. Janeway 2009-7-26 9878 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  CHSC61409  Hackelia californica Vernon H. Oswald; Lowell Ahart 1993-8-18 5837 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CHSC102591  Hackelia micrantha L. P. Janeway 2009-7-26 9877 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS67928  Hackelia micrantha Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2438 Comment
  UC1036320  Hackelia micrantha George W. Gillett 1952-8-11 177 Shasta 1/2 mi below Bumpas Hell (Trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  CHSC61410  Hackelia nervosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5821 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Approaching the scree slope below the summit ridge of the mountain. 2383 Comment
  JEPS32732  Hackelia nervosa Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain Comment
  SBBG15605  Hackelia nervosa D. Myrick 1961-6-24 354 Shasta loop rd near sulphur works 2255 Comment
  UC1036238  Hackelia nervosa George W. Gillett 1952-8-11 Shasta 1/2 mi below Bumpas Hell (trail form Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC1036271  Hackelia nervosa George W. Gillett 1952-7-20 85 Shasta one mi above Sulphur Works (above highway); Lassen Volcanic National Park 2194 Comment
  UC1036282  Hackelia nervosa George W. Gillett 1952-7-27 109 Shasta vicinity of Sulphur Works (above highway, near Hot Springs); Lassen Volcanic National Park 2118 Comment
  CAS-BOT-BC306536  Helenium bigelovii H. M. Hall; E. B. Babcock 1903-7-1 4397 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon) 1524 Comment
  CAS-BOT-BC306537  Helenium bigelovii John Thomas Howell 1960-8-18 36074 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC54077  Helenium bigelovii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4397 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS29574  Helianthella californica subsp. nevadensis John Thomas Howell 1960-8-21 36289 Tehama near Lassen Volcanic National Park; Morgan 1463 Comment
  UC54092  Helianthella californica subsp. nevadensis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4411 Tehama near Morgan; Mill Creek Canyon 1524 Comment
  CHSC60318  Helianthella californica var. nevadensis Mary Ann Showers 1992-6-26 2582 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60319  Helianthella californica var. nevadensis Mary Ann Showers 1992-6-28 2633 Tehama Lassen Volcanic National Park. Ridge east of Sulphur Works Entrance Station east of and above West Sulphur Creek. 1950 Comment
  CAS-BOT-BC305584  Helianthus bolanderi Alice Eastwood 1912-8-22 1799 Tehama Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC305585  Helianthus bolanderi H. M. Hall; E. B. Babcock 1903-7-1 4399 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon). Morgan Springs 1524 Comment
  UC54089  Helianthus bolanderi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4399 Tehama near Morgan (Morgan hot springs); Mount Lassen, Mill Creek Canyon 1524 Comment
  UC897532  Helianthus bolanderi Alice Eastwood Aug 22 1912-Aug 26 1912 1799 Tehama Morgans Springs, Lassen Butte Region Morgans Springs Comment
  CHSC59176  Herniaria hirsuta subsp. hirsuta Vernon H. Oswald 1992-9-29 5220 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC45684  Hieracium bolanderi Vernon Oswald 1986-7-24 2235 Tehama Near the Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC45683  Hieracium gracile Vernon Oswald 1986-7-24 2227 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2316 Comment
  CHSC48167  Hieracium greenei Vernon Oswald 1984-7-16 1603 Tehama 29N22, 3.1 mi w of Hwy 89 (to Lassen Park). 1828 Comment
  CHSC48168  Hieracium horridum Vernon Oswald 1984-7-16 1606 Tehama 29N22, 3.1 mi w of Hwy 89 (to Lassen Park). 1828 Comment
  UCD67757  Hieracium horridum Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  CAS-BOT-BC312948  Hieracium triste Alice Eastwood 1912-8-22 1842 Unknown Trail from Morgans Springs to Lassen Butte Comment
  JEPS28763  Hieracium triste George W. Gillett 1957-8-13 1058 Tehama on Brokeoff Trail 1/2 mi from Supphur Works Checking Station (near base of extensive talus slope near first major stream crossing); Lassen Vocanic National Park, Brokeoff Mountain 2133 Comment
  CHSC59174  Hirschfeldia incana Vernon H. Oswald 1992-9-9 5200 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. Roadside. 1981 Comment
  UCD113390  Holodiscus discolor var. glabrescens John Thomas Howell 1960-8-19 36198 Tehama Summit ridge, Brokeoff Mountain. 2804 Comment
  CAS-BOT-BC150120  Holodiscus microphyllus var. glabrescens Hans Leschke 1955-8-30 s.n. Shasta [Broke off] Brokeoff Mt. 2743 Comment
  CAS-BOT-BC150126  Holodiscus microphyllus var. glabrescens Alice Eastwood 1912-8-22 1866 Shasta Trail from Morgans Springs to Lassen Butte Comment
  GH345077  Holodiscus microphyllus var. glabrescens A. Eastwood 1912-08-22 - 1912-08-26 1866 Unknown Trail from Morgans Springs to Lassen Butte Comment
  GH345078  Holodiscus microphyllus var. glabrescens A. Eastwood 1912-08-22 - 1912-08-26 1866 Unknown Trail from Morgans Springs to Lassen Butte Comment
  RSA201342  Holodiscus microphyllus var. glabrescens J. T. Howell 1960-8-19 36198 Shasta Summit ridge, Brokeoff Mtn. 2805 Comment
  CAS-BOT-BC150151  Holodiscus microphyllus var. microphyllus John Thomas Howell 1960-8-19 36198 Tehama Brokeoff Mt. 2804 Comment
  CAS-BOT-BC280887  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1960-8-18 36099 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CHSC61448  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald; Lowell Ahart 1993-8-18 5813 Tehama Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. Meadow at one of the headwaters of Canyon Creek. 2109 Comment
  UC149650  Hordeum brachyantherum subsp. brachyantherum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4352 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC284704  Hordeum jubatum John Thomas Howell 1960-8-20 36246 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  UC54360  Horkelia fusca subsp. tenella H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4392 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1524 Comment
  CAS-BOT-BC143987  Horkelia fusca var. tenella Alice Eastwood 1912-8-22 1880 Tehama Morgans Springs, Lassen Butte region Comment
  CHSC65063  Horkelia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1995-7-17 7097 Tehama High Cascade Range. Forest Road 29N22 0.3 mi W of Hwy. 89, ca. 2 mi S of the S boundary of Lassen Volcanic National Park. 1883 Comment
  CHSC60360  Hydrophyllum occidentale Mary Ann Showers 1992-6-26 2589 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1036267  Hydrophyllum occidentale George W. Gillett 1952-7-11 62 Shasta vicinity Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC1036322  Hydrophyllum occidentale George W. Gillett 1952-8-11 181 Shasta 0.75 mi below Bumpas Hell (trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2346 Comment
  UC2043000  Hydrophyllum occidentale Barbara Ertter 1990-5-13 8958 Tehama Northeast Tehama Co.: North side Highway 36 between Morgan Springs and Child Meadows, open W-facing bank above Mill Creek. Comment
  JEPS813  Ipomopsis aggregata Joseph Grinnell 1925-7-27 Tehama Brokeoff Mtn Comment
  UC1149878  Juncus balticus Harold and Virginia Bailey 1948-8-28 3063 c Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  UC54236  Juncus balticus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4348 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC117583  Juncus bufonius var. bufonius Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21361 Tehama Road gutter, wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127113  Juncus bufonius var. bufonius Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21361 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  POM213967  Juncus drummondii H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Above West Sulphur Creek. 2000 Comment
  CHSC60456  Juncus ensifolius Mary Ann Showers 1992-6-26 2597 b Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1600460  Juncus ensifolius J. D. Sinclair Jul 1928 Tehama Circle South Ranch 1524 Comment
  CHSC49616  Juncus howellii Vernon Oswald 1984-7-16 1602 Tehama 30N16, 5.0 mi w of Hwy 89 (to Lassen Park) via 29N22. 1828 Comment
  CHSC102218  Juncus laccatus Peter F. Zika 2009-8-17 24611 Tehama Cascade Range Highlands; 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. 1895 Comment
  CHSC46602  Juncus mertensianus Vernon H. Oswald 1989-7-24 3888 Shasta Crumbaugh Lake, Lassen Volcanic Park. 2194 Comment
  CHSC60460  Juncus nevadensis Mary Ann Showers 1992-6-26 2596 b Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1149773  Juncus nevadensis Harold and Virginia Bailey 1948-8-28 3065 Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  UCD141621  Juncus nevadensis John Thomas Howell 1960-8-19 36127 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2346 Comment
  CHSC59148  Juncus occidentalis Vernon H. Oswald 1992-8-19 5166 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. In a drainage crossing the trail. 2194 Comment
  JEPS91253  Juncus orthophyllus Dean Wm. Taylor with Glenn Clifton 1992-8-22 13195 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  UC54231  Juncus orthophyllus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4349 Tehama near Morgan; Mount Lassen 1524 Comment
  UCD142363  Juncus tenuis John Thomas Howell 1960-8-20 36224 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  UC54429  Kalmia polifolia subsp. microphylla H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4302 Shasta Mount Lassen, Head of Mill Creek Mill Creek; Mount Lassen, Mill Creek 2499 Comment
  CAS-BOT-BC340323  Kyhosia bolanderi Alice Eastwood 1912-8-22 1867 Tehama Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC340324  Kyhosia bolanderi John Thomas Howell 1960-8-20 36230 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  UC830821  Kyhosia bolanderi Alice Eastwood Aug 22 1912-Aug 26 1912 1867 Tehama Morgan Springs; Lassen Butte Region Comment
  CHSC117622  Lactuca serriola Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21371 Tehama On the north side of a poor dirt road,about 10 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC59190  Landoltia punctata Vernon H. Oswald 1992-9-9 5202 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (mostly southerly) point, on the S side of Diamond Peak and Lassen Hwy. Along the edge of a streamlet. 2042 Comment
  RSA125723  Ledum glandulosum George W. Gillett 1952-7-20 86 Shasta Vicinity of Sulphur Works. Above high way adjacent to hot springs. 2134 Comment
  UC1036272  Ledum glandulosum George W. Gillett 1952-7-20 86 Shasta above highway adjacent to Hot Springs (vicinity of Sulphur Works, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC1543714  Ledum glandulosum Harold and Virginia Bailey 1948-8-28 3061 a Tehama Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  CHSC59189  Lemna turionifera Vernon H. Oswald 1992-9-9 5206 Tehama Lassen Volcanic National Park. Ca. 0.2 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. In a streamlet in a meadow. 2011 Comment
  CHSC57800  Lepidium heterophyllum Vernon H. Oswald 1991-10-3 4880 Tehama Lassen Volcanic Park. Parking lot at Lassen Chalet. Near the Chalet between the curb and a low shed on the northeast edge of the parking lot. 2042 Comment
  CHSC60373  Leptosiphon harknessii Mary Ann Showers 1992-6-26 2563 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC59079  Leucanthemum vulgare Vernon H. Oswald 1992-8-19 5157 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. Along the E edge of the road. 2011 Comment
  CAS-BOT-BC444494  Lewisia triphylla Hans Leschke 1957-7-12 s.n. Shasta Lassen Volcanic National Park, above Cold Boiling Lake 2377 Comment
  CAS-BOT-BC444502  Lewisia triphylla C. R. Quick 1950-6-17 50 -21 Tehama Adjacent to Mill Creek Meadows, W of Gurnsey Camp Ground, Lassen National Forest Comment
  UC54454  Lewisia triphylla H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4316 Shasta near Soupan Springs; Mount Lassen 2286 Comment
  UC54198  Lilium kelleyanum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4364 Tehama near Morgan - Mount Lassen, Mill Creek Canyon Comment
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  UC54530  Linanthus ciliatus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4369 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC54534  Linanthus harknessii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4370 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC908699  Linanthus latisectus L. V. Compton 1930-5-20 Tehama Circle S Ranch Comment
  CHSC45351  Linanthus pungens Vernon Oswald 1986-7-24 2229 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  UC1036328  Linum lewisii George W. Gillett 1952-8-17 198 Shasta on Little Hot Springs Balley Grade 2 mi below origin of Bumpas Hell Trail (Lassen Volcanic National Park, Lassen Peak Highway, on Brokeoff andesite, near drinking fountain); Lassen Volcanic National Park, Little Hot Springs Balley Gra 2286 Comment
  CHSC61430  Linum lewisii var. lewisii Vernon H. Oswald; Lowell Ahart 1993-8-18 5832 Lassen Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. Common in loose rock approaching the highest point on the ridge from the north. 2484 Comment
  JEPS3333  Lithophragma glabrum George Gillett 1952-7-27 108 Shasta along main road through Lassen Volcanic National Park about 2 mi above Sulphur Works (slopes of Little Hot Springs Valley); Lassen Volcanic National Park, Little Hot Springs Valley 2164 Comment
  UC2042971  Lomatium macrocarpum Barbara Ertter 1990-5-13 8960 Tehama Northeast Tehama Co.: North side Highway 36 between Morgan Springs and Child Meadows, open W-facing bank above Mill Creek. Comment
  UC57355  Lomatium macrocarpum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4401 Tehama near Morgan (Mill Creek Canyon, Mt. Lassen); Mt. Lassen, Mill Creek Canyon Comment
  A422769  Lonicera conjugialis A. Eastwood 1912-08-22 - 1912-08-26 1823 Unknown trail from Morgans Springs to Lassen Butte Comment
  GH422807  Lonicera conjugialis A. Eastwood 1912-08-22 - 1912-08-26 1823 Unknown trail from Morgans Springs to Lassen Butte Comment
  JEPS55551  Lotus oblongifolius var. oblongifolius W. L. Jepson 1927-6-23 12321 Tehama few mi w Morgan Springs 1584 Comment
  UC54367  Lotus oblongifolius var. oblongifolius H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4345 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC59185  Ludwigia palustris Vernon H. Oswald 1992-9-9 5203 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  JEPS99275  Lupinus arbustus Clare B. Hardham 1961-6-16 7464 Plumas Diamond Peak Sierra Nevada Mountains Comment
  SBBG3537  Lupinus arbustus H. and M. Dearing 1939-6-12 3638 Shasta Mineral Entrance near Lassen Nat Park 1828 Comment
  UC54410  Lupinus argenteus H. M. Hall and E. B. Babcock July 1-2, 1903 4329 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  SEINET2062869 Image available Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou West sope of ridge of Red Rock Mountain. 2194 Comment
  CHSC48562  Lupinus lepidus var. sellulus Vernon Oswald 1983-7-26 930 Tehama Calif. Hwy 36 at Mill Creek Bridge. 1493 Comment
  UC54412  Lupinus lepidus var. sellulus H. M. Hall and E. B. Babcock July 1-2, 1903 4330 Tehama near Morgan ((Mill Creek Canyon) Mount Lassen); Mount Lassen, near Morgan 1524 Comment
  CHSC61425  Lupinus obtusilobus Vernon H. Oswald; Lowell Ahart 1993-8-18 5836 Tehama Lassen Volcanic National Park. Summit of Mt. Conard near the S boundary of the park. 2490 Comment
  UC352491  Lupinus polyphyllus var. burkei J. D. Sinclair July 1928 Tehama Circle S Ranch 1524 Comment
  UC54411  Lupinus polyphyllus var. polyphyllus H. M. Hall and E. B. Babcock July 1-2, 1903 4360 Tehama near Morgan ((Mill Creek Canyon), Mount Lassen); Mount Lassen, (Mill Creek Canyon) 1524 Comment
  JEPS28791  Luzula comosa var. laxa George W. Gillett 1957-8-18 1095 Tehama Brokeoff Mountain. Lower portion of the Brokeoff Trail, about 1/4 mile above the Sulphur Works Checking Station 2103 Comment
  CHSC49633  Luzula divaricata Vernon Oswald 1986-7-28 2241 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2499 Comment
  CHSC59183  Lythrum hyssopifolia Vernon H. Oswald 1992-9-29 5219 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  UC54070  Madia elegans H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4375 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1524 Comment
  UC54071  Madia elegans H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4400 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1066 Comment
  CHSC117585  Madia elegans subsp. elegans Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21357 Tehama Open low hill area east of the dirt road, northwest part of Childs Meadow, about 100 yards south of Highway 89. 1473 Comment
  JEPS127114  Madia elegans subsp. elegans Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21357 Tehama About 100 yards south of Highway 89. Comment
  CAS-BOT-BC334663  Madia glomerata John Thomas Howell 1960-8-20 36211 Tehama Morgan, near Lassen Volcanic National Park 1463 Comment
  CHSC60323  Madia glomerata Mary Ann Showers 1992-6-28 2640 Shasta Lassen Volcanic National Park. Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  CHSC61406  Madia glomerata Vernon H. Oswald; Lowell Ahart 1993-8-18 5849 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2115 Comment
  JEPS29557  Madia glomerata Hans Leschke 1960-9-8 1804 Shasta Little Hot Springs Valley Lassen Volcanic National Park 2225 Comment
  JEPS29558  Madia glomerata John Thomas Howell 1960-8-20 36211 Tehama near Lassen Volcanic National Park; Morgan 1463 Comment
  JEPS3341  Madia glomerata George Gillett 1952-8-24 219 Shasta in area back of store Sulphur Works; Lassen Volcanic National Park 2118 Comment
  UC830874  Madia glomerata Alice Eastwood Aug 22 1912-Aug 26 1912 1801 Tehama Morgans Springs Lassen Butte region Comment
  UC54068  Madia gracilis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4376 Tehama near Morgan; Mount Lassen. Mill Creek Canyon 1524 Comment
  UCD134297  Madia gracilis John Thomas Howell 1960-8-20 36221 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  SEINET4173699 Image available Madronella pallida A. A. Heller 1937-7-21 15931 Tehama Lassen Volcanic National Park; near the Sulphur Works entrance Comment
  CHSC59169  Matricaria discoidea Vernon H. Oswald 1992-9-9 5198 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. Roadside. 1981 Comment
  CHSC61449  Melica aristata Vernon H. Oswald; Lowell Ahart 1993-8-18 5847 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2164 Comment
  CAS-BOT-BC271121  Melica bulbosa Hans Leschke 1961-8-18 1828 Shasta Summit area of Diamond Peak, Lassen Volcanic National Park 2423 Comment
  CHSC62022  Melica bulbosa Vernon H. Oswald; Lowell Ahart 1993-9-15 5934 Shasta Lassen Volcanic National Park. Trail from Bumpass Hell to Cold Boiling Lake, ca. 0.4 mi S of Bumpass Hell. 2438 Comment
  CHSC61450  Melica fugax Vernon H. Oswald; Lowell Ahart 1993-8-18 5848 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2133 Comment
  JEPS69303  Melica harfordii W. L. Jepson 1927-6-23 12323 Tehama near Morgan Springs 1584 Comment
  CHSC61451  Melica stricta Vernon H. Oswald; Lowell Ahart 1993-8-18 5841 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Just below (W of) the summit ridge and S of the highest point on the ridge. 2490 Comment
  CHSC61983  Melilotus albus Vernon H. Oswald 1993-9-7 5923 Tehama Bluff Falls on Hwy. 89, ca. 0.75 mi S of Lassen Volcanic National Park. 1965 Comment
  CHSC59182  Melilotus indicus Vernon H. Oswald 1992-9-29 5223 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC60365  Mentzelia dispersa Mary Ann Showers 1992-6-26 2584 Tehama Lassen Volcanic National Park. Rocky talus slopes and ecotone to mixed conifer forest, canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC61439  Micranthes aprica Vernon H. Oswald 1993-8-18 5824 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2414 Comment
  CAS-BOT-BC428685  Micranthes bryophora John Thomas Howell 1960-8-19 36113 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  CHSC48905  Micranthes bryophora Vernon Oswald 1986-8-4 2262 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2103 Comment
  LA209003  Micranthes nidifica F. J. Hermann; 1931-6-22 Shasta Bumpass Mountain, Above Bumpass Hell trail 2346 Comment
  CAS-BOT-BC429095  Micranthes odontoloma John Thomas Howell 1960-8-18 36081 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC429096  Micranthes odontoloma John Thomas Howell 1960-8-19 36128 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC429097  Micranthes odontoloma Milo S. Baker 1926-8-21 294 - '26 Tehama Near Sulphur Springs - 9 1/2 mi. from Mineral 2072 Comment
  LA83731  Micranthes odontoloma O. H. Kappler; 1946-7-21 Tehama Lassen National Park, Bluff Falls area 1920 Comment
  CAS-BOT-BC349349  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CAS-BOT-BC349351  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC60315  Microseris nutans Mary Ann Showers 1992-6-28 2634 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  JEPS3731  Microseris nutans George Gillett 1952-8-17 195 Shasta two mi below sign indicating trail to Bumpas Hell (along main highway through Lassen Volcanic National Park); Lassen Volcanic National Park Comment
  JEPS10541  Mimulus breweri W. L. Jepson 1927-6-22 12293 a Shasta ridge n Hot Springs Valley 1828 Comment
  JEPS3306  Mimulus breweri George Gillett 1952-8-11 180 Shasta 3/4 mi below Bumpas Hell (on Kings Creek trail); Lassen Volcanic National Park 2316 Comment
  JEPS97348  Mimulus breweri Vernon H. Oswald and L. Ahart 1995-7-17 7093 Tehama T29N R4E NE1/4 NE1/4 Sec. 17, 5700 ft, High Cascade Range, Yellow Pine Forest, volcanic soils. Forest Road 29N22 2.9 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park 1737 Comment
  UC1543760  Mimulus breweri Harold and Virginia Bailey 1948-8-28 3068 a Tehama below Ski Hut (Sulphur Creek campground); Lassen Volcanic National Park 2011 Comment
  UC600975  Mimulus breweri Mrs. H. P. Bracelin 1932-7-23 668 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  UC1036280  Mimulus guttatus George W. Gillett 1952-7-27 105 Shasta near hot springs (above hwy); Lassen Volcanic National Park, vicinity of Sulphur Works 2133 Comment
  UC54638  Mimulus microphyllus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4340 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS3317  Mimulus nanus var. jepsonii George Gillett 1952-8-11 175 Shasta 1/2 mi below Bumpas Hell (on trail to Kings Creek); Lassen Volcanic National Park 2377 Comment
  UC600974  Mimulus primuloides Mrs. H. P. Bracelin 1932-7-23 666 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  JEPS8141  Mimulus torreyi W. L. Jepson 1927-6-23 12318 Plumas Morgan Springs 1584 Comment
  UC54641  Mimulus torreyi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4409 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC600973  Mimulus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  CHSC48257  Minuartia nuttallii subsp. gracilis Vernon Oswald 1986-7-24 2236 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC61416  Minuartia nuttallii subsp. gracilis Vernon H. Oswald; Lowell Ahart 1993-8-18 5834 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. 2490 Comment
  CAS-BOT-BC181120  Minuartia nuttallii var. nuttallii John Thomas Howell 1960-8-19 36201 Tehama Summit ridge, Brokeoff Mt. - Lassen Volcanic National Park 2804 Comment
  UC54601  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4412 Tehama near Morgan, Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC222060  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  CAS-BOT-BC222122  Monardella odoratissima subsp. pallida M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  UC1543858  Monardella odoratissima subsp. pallida Harold and Virginia Bailey 1948-8-27 3056 Tehama Lassen Volcanic National Park, Loop Highway overlooking Sulphur Creek, below Sulphur Works 2072 Comment
  UC725825  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near Sulphur Works entrance; Lassen Volcanic National Park Comment
  UCD125223  Monardella odoratissima subsp. pallida John Thomas Howell 1960-8-19 36200 Tehama Brokeoff Mountain, summit ridge. 2804 Comment
  CHSC60390  Montia fontana subsp. amporitana Mary Ann Showers 1992-6-26 2598 b Tehama Lassen Volcanic National Park. Moist soil at edge of right bank of Sulphur Creek east of Sulphur Works Entrance station. 1828 Comment
  CAS-BOT-BC262636  Muhlenbergia asperifolia C. S. Robinson 1928-9-18 120 Lassen Lassen National Forest. Hanna Estate, Morgan Springs. Around Sulphur Springs 1508 Comment
  UC1543807  Muhlenbergia filiformis Harold and Virginia Bailey 1948-8-28 3070 d Shasta near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  UCR78376  Myosotis laxa Barbara Ertter 1989-7-4 8693 Tehama 1.4 mi east of Mineral on Hwy 36 at Conard Grove LP, upper edge of Battle Creek Mdws along Nanny Creek 1524 Comment
  CHSC65058  Nama lobbii Vernon H. Oswald; Lowell Ahart 1995-7-17 7096 Tehama Forest Road 29N22 2.2 mi W of Hwy. 89, ca. 2.5 mi SSE of the SW corner of Lassen Volcanic National Park. 1780 Comment
  JEPS97339  Nama lobbii Vernon H. Oswald and L. Ahart 1995-7-17 7096 Tehama T29N R4E NE1/4 SE1/4 Sec. 8, 5840 ft, High Cascade Range, transition to Red Fir Forest, volcanic soils. Forest Road 29N22 2.2 mi W of Hwy. 89, ca. 2.5 mi SSE of the SW corner of Lassen Volcanic National Park 1780 Comment
  RSA201319  Nama lobbii J. T. Howell 1960-8-21 36306 Tehama Near Sulphur works entrance 1997 Comment
  RSA32748  Nama lobbii A. A. Heller 1937-7-21 15930 Shasta Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  UC726889  Nama lobbii A. A. Heller 1937-7-21 15930 Tehama near the Sulphur Works entrance to Lassen Volcanic National Park Sulphur Works entrance to Lassen Volcanic National Park; nr entrance Lassen Volcanic National Park Comment
  UC1543863  Navarretia capillaris Harold and Virginia Bailey 1948-8-28 3069 a Tehama near Sulphur Creek Campground (in meadow below Ski Hut, Lassen Volcanic National Park); Lassen Volcanic National Park, nr Sulphur Creek Campgrnd 2011 Comment
  CHSC60374  Navarretia divaricata Mary Ann Showers 1992-6-26 2562 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS28788  Navarretia divaricata George W. Gillett 1957-8-18 1093 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CHSC61433  Navarretia divaricata subsp. divaricata Vernon H. Oswald; Lowell Ahart 1993-8-18 5845 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. On the edge of a meadow draining into Canyon Creek. 2200 Comment
  UC1543725  Navarretia divaricata subsp. divaricata Harold and Virginia Bailey 1948-8-28 3069 b Tehama near Sulphur Creek Campground (in meadow below ski hut); Lassen Volcanic Park 2011 Comment
  UC54531  Navarretia intertexta subsp. propinqua H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4356 Tehama near Morgan ((Mill Creek Canyon)); Mount Lassen 1524 Comment
  UC54538  Navarretia leptalea subsp. leptalea H. M. Hall and E. B. Babcock July 1-2, 1903 4388 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CAS-BOT-BC349979  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-8-18 36072 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC350040  Oreostemma alpigenum var. andersonii M. S. Jussel 1931-9-7 s.n. Lassen Bumpas Hell Trail, Mt. Lassen 2133 Comment
  OBI55518  Oreostemma alpigenum var. andersonii David J. Keil, Kathleen Keil 1992-7-25 23591 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  SEINET2442115  Oreostemma alpigenum var. andersonii David Keil, Kathleen Keil 1992-7-25 23591 Tehama Lassen National Forest along Highway 89. 0.8 miles S of Lassen Volcanic National Park southern boundary. Lodgepole pine-red fir forest with meadows. Comment
  UC1037281  Oreostemma alpigenum var. andersonii Leo Whitney 1934-9-16 1718 Lassen Bumpass Hell Lassen National Park 2529 Comment
  UC1945182  Oreostemma alpigenum var. andersonii David Keil with Kathleen Keil 1992-7-25 23591 Tehama Lassen National Forest along Hwy 89. 0.8 mi S of Lassen Volcanic National Park southern boundary. Comment
  JEPS28792  Orobanche fasciculata George W. Gillett 1957-8-18 1107 Tehama Lassen Volcanic National Park. Brokeoff Mountain. Upper portion of Brokeoff Mounain Trail. Comment
  CHSC52841  Orthocarpus cuspidatus subsp. cryptanthus George Gillet 1952-8-17 193 Shasta Lassen Volcanic National Park. Near Highway No. 89, 2.0 mi. below sign marking trail to Bumpus Hell. Comment
  CHSC59186  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald 1992-9-9 5201 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southernly) point, on the S side of Diamond Peak and lassen Hwy. 2042 Comment
  CHSC95176  Orthocarpus cuspidatus subsp. cryptanthus R. D. Fischer 2005-8-21 814 Tehama Cascade Range high, Lassen National Volcanic Park. Plant found along trail to Mill Creek Falls, out of lower campground. 1950 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
  UC1036313  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-10 163 Shasta Lassen Peak Highway Emerald Lake (Lassen Volcanic National Park); , Emerald Lake 2346 Comment
  UC55246  Osmorhiza berteroi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4408 b Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC60294  Osmorhiza occidentalis Mary Ann Showers 1992-6-26 2578 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC54312  Osmorhiza occidentalis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4408 a Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC634933  Paeonia brownii L. V. Compton 1930-6-3 Tehama 10 mi e Mineral; Upper Circle S Ranch Comment
  CHSC49536  Panicum acuminatum var. acuminatum Vernon Oswald 1986-8-20 2284 Tehama Sulphur Works, Lassen Volcanic National Park. 2121 Comment
  CHSC83227  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. Slopes and meadows among hot springs. 2133 Comment
  UC768599  Panicum acuminatum var. acuminatum R. F. Hoover 1940-9-21 4607 Shasta Soupan Springs Lassen Peak Comment
  UCD32841  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. 2133 Comment
  UCD89959  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. 2133 Comment
  SBBG115778  Panicum lassenianum B. Crampton 1964-8-26 7167 Shasta Sulphur Works 2133 Comment
  UC858296  Parnassia californica E. G. Anderson 1935-9-2 Shasta Lassen Volcanic National Park, Lower part of Brokeoff Trail Lassen Volcanic National Park; , Brokeoff Trail 2286 Comment
  CAS-BOT-BC175542  Parnassia palustris John Thomas Howell 1960-8-18 36078 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC175543  Parnassia palustris Hans Leschke 1960-9-8 1793 Shasta Little Hot Springs Valley. Lassen Volcanic National Park 2240 Comment
  CHSC95157  Parnassia palustris R. D. Fischer 2005-8-21 843 Tehama Lassen National Volcanic Park. Cascade Range High in Lassen National Volcanic Park. Specimen found along Mill Creek Trail, at creek, and upstream of falls. 1981 Comment
  JEPS12515  Pedicularis attollens Geo. Gillett 1955-8-10 475 Shasta at upper end of grade on the Little Hot Springs Valley (overlook of the Lassen Peak Highway, bench a few yards above the drinking fountain) 2346 Comment
  SEINET263491 Image available Pedicularis densiflora Richard J. Shaw 1993-5-23 5101 Tehama Lassen National Forest ; Mile marker 89 near jct of Hwys 36 & 89 near Morgan Summit 1707 Comment
  UC54661  Pedicularis groenlandica H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4306 Shasta Mill Creek; Mount Lassen 2438 Comment
  CHSC65043  Pellaea brachyptera Vernon H. Oswald; Lowell Ahart 1995-7-17 7094 Tehama Forest Road 29N22 2.4 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1780 Comment
  UC54627  Penstemon deustus H. M. Hall and E. B. Babcock July 1-2, 1903 4403 Tehama near Morgan ((Mill Creek Canyon)); Mount Lassen, , near Morgan 1524 Comment
  UC1034006  Penstemon deustus var. deustus Francis W. Pennell Jul 22 1940-Jul 23 1940 26242 Tehama Route 89 Bluff Falls s Sulphur Works (s of Mount Lassen); , Bluff Falls s of Sulphur Works 1889 Comment
  CHSC49041  Penstemon heterodoxus var. shastensis Vernon Oswald 1986-7-28 2242 Shasta Trail between Bumpus Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2377 Comment
  CHSC60420  Penstemon neotericus Mary Ann Showers 1992-6-26 2570 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC61440  Penstemon neotericus Vernon H. Oswald; Lowell Ahart 1993-8-18 5842 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. 2490 Comment
  JEPS9342  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  UC1036223  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  UCD67759  Penstemon newberryi Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  CAS-BOT-BC245667  Penstemon newberryi var. newberryi John Thomas Howell 1960-8-19 36194 Tehama Summit of Brokeoff Mt., Lassen Volcanic National Park 2804 Comment
  UC54618  Penstemon rydbergii var. oreocharis H. M. Hall and E. B. Babcock July 1-2, 1903 4332 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1524 Comment
  CHSC60295  Perideridia bolanderi subsp. bolanderi Mary Ann Showers 1992-6-26 2569 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS17522  Perideridia bolanderi subsp. bolanderi W. L. Jepson 1910-6-9 4100 Shasta near Lassen Peak; Hot Springs Valley 1950 Comment
  UC1024384  Perideridia bolanderi subsp. bolanderi George W. Gillett 1952-8-10 165 Shasta Lassen Peak Hwy 1.5 mi below Emerald Lake; Lassen Volcanic National Park 2346 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
  UC54317  Perideridia bolanderi subsp. bolanderi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4337 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC42650  Perideridia howellii Vernon Oswald 1985-8-15 1929 Tehama 0.5 mi n of Hwy 36 on Wilson Meadow Rd. paralleling Nanny Creek, 2.5 air mi ne of Mineral. 1584 Comment
  JEPS28759  Perideridia parishii subsp. latifolia George W. Gillett 1957-8-13 1054 Tehama 1/4 mi above Sulphur Works Checking Station (and near Brokeoff Mt. Trail); Lassen Volcanic National Park 2072 Comment
  CHSC48468  Phacelia hastata subsp. compacta Vernon Oswald 1986-7-24 2233 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC60362  Phacelia mutabilis Mary Ann Showers 1992-6-26 2574 Tehama Lassen Volcanic National Park. Rocky, hydrothermally altered area on ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC1543823  Phacelia mutabilis Harold and Virginia Bailey 1948-8-28 3063 b Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  UC54518  Phacelia mutabilis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4385 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC54520  Phacelia procera H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4395 Tehama Morgan Springs Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC61428  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5844 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on the dry edge of a springy meadow draining into Canyon Creek. 2200 Comment
  UC54514  Phacelia racemosa H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4324 Tehama Park's Ranch Mount Lassen (s side, Tehama Co. line) 2133 Comment
  CAS-BOT-BC253560  Phleum alpinum John Thomas Howell 1960-8-23 36444 Shasta Lassen Loop above Little Hot Springs Valley, Lassen Volcanic National Park 2407 Comment
  CAS-BOT-BC260881  Phleum pratense Hans Leschke 1960-9-8 1801 Shasta Little Hot Springs Valley, Lassen Volcanic National Park 2164 Comment
  JEPS28766  Phlox diffusa George W. Gillett 1957-8-13 1062 Tehama about 1.75 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2438 Comment
  JEPS69953  Phlox diffusa Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  UC54540  Phlox gracilis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4361 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC1036230  Phoenicaulis cheiranthoides George W. Gillett 1953-8-25 346 Tehama near Diamond Peak (Lassen Volcanic National Park); Lassen Volcanic National Park 2255 Comment
  UC54260  Phoenicaulis cheiranthoides H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4296 Shasta near Soupan Springs (Mount Lassen); Mount Lassen 2377 Comment
  CAS-BOT-BC58801  Phyllodoce breweri John Thomas Howell 1960-8-19 36120 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2346 Comment
  JEPS66666  Phyllodoce breweri Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2743 Comment
Read comments
Jul 31 2014
  SEINET4671876  Phyllodoce breweri Emily Gillespie, Zack Murrell 2006-8-5 06 -021 Shasta Mineral, Bumpass Hell Trail, approximately 1 mile from parking area across from Lake Helen. 2499 Comment
  SJSU491  Phyllodoce breweri G. Witherspoon 1940-6-28 2150 Shasta Bumpass Hell, Lassen Volcanic National Park 2438 Comment
  UC1037196  Phyllodoce breweri Leo Whitney 1934-9-16 1518 Lassen Lassen National Park, nw edge of Bumpass Hell Bumpass Hell; Lassen National Park, Bumpass Hell 2560 Comment
  CAS-BOT-BC78439  Pinus contorta subsp. murrayana John Thomas Howell 1960-8-20 36203 Tehama Morgan 1463 Comment
  CAS-BOT-BC78720  Pinus jeffreyi John Thomas Howell 1960-8-18 36019 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC78722  Pinus jeffreyi John Thomas Howell 1960-8-20 36207 Tehama Morgan 1463 Comment
  CAS-BOT-BC78724  Pinus jeffreyi John Thomas Howell 1960-8-19 36142 Tehama Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC72980  Pinus monticola John Thomas Howell 1960-8-19 36139 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC78924  Pinus monticola M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC24167  Pinus monticola E. Stopher 1976-2-1 5 Tehama 8.7. Km n of jct. Of Hwy. 89 and Hwy. 36. On s side of Hwy. 89, ca 75 m from road. 2000 Comment
  RSA0088654  Pinus monticola Bonnie C. Templeton 1968-6-11 11327 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  RSA0088705  Pinus monticola Bonnie C. Templeton 1968-6-11 11327 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  CAS-BOT-BC72875  Pinus ponderosa John Thomas Howell 1960-8-18 36014 Tehama Near Lassen Volcanic National Park, Morgan Summit 1752 Comment
  UCD134933  Pinus ponderosa John Thomas Howell 1960-8-18 36014 Tehama Lassen Volcanic National Park, Morgan Summit. 1752 Comment
  UC1543733  Plagiobothrys Harold and Virginia Bailey 1948-8-27 3068 d Tehama near Sulphur Creek Campground meadows below ski hut; Lassen Volcanic National Park 2011 Comment
  CHSC61411  Plagiobothrys hispidulus Vernon H. Oswald; Lowell Ahart 1993-8-18 5843 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on a slope in a meadow draining into Canyon Creek. 2200 Comment
  UC54557  Plagiobothrys hispidulus H. M. Hall and E. B. Babcock July 1-2, 1903 4365 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC59140  Plantago lanceolata Vernon H. Oswald 1992-8-19 5158 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. Growing along the E edge of the road. 2011 Comment
  JEPS29547  Plantago lanceolata John Thomas Howell 1960-8-20 36258 Tehama Morgan 1463 Comment
  JEPS29539  Plantago major John Thomas Howell 1960-8-20 36259 Tehama near Lassen Volcanic National Park (Morgan); Morgan 1463 Comment
  CAS-BOT-BC254773  Poa bolanderi Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park. Near Sulphur Works entrance station 2133 Comment
  CAS-BOT-BC254787  Poa bolanderi John Thomas Howell 1960-8-18 36105 Tehama Lassen Volcanic National Park, Sulphur Works Checking Station 2011 Comment
  UC149651  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4344 Tehama near Morgan (Mill Creek Canyon); Mt Lassen 1524 Comment
  CAS-BOT-BC244268  Podagrostis humilis George W. Gillett 1957-8-18 1098 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mountain trail, from Sulphur Works checking station up 0.25 mile to stream crossing near extensive talus formation 2103 Comment
  CAS-BOT-BC244273  Podagrostis humilis John Thomas Howell 1960-8-18 36103 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC244274  Podagrostis humilis John Thomas Howell 1960-8-18 36063 Tehama Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC59093  Polygonum aviculare Vernon H. Oswald 1992-8-19 5162 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift near the lower end of the slope on the W side of Lassen Hwy., ca. 0.3 mi NW of the Southwest Entrance Station. Locally abundant in summer-dry soil of a vernally wet drainage crossing the trail. 2084 Comment
  CHSC117624  Polygonum aviculare subsp. depressum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127107  Polygonum aviculare subsp. depressum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  UC54223  Polygonum bistortoides H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4331 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS50543  Polygonum davisiae Joseph Grinnell 1925-7-27 Tehama near Broke-off Mountain 2743 Comment
  UC1036317  Polygonum davisiae George W. Gillett 1952-8-11 170 Shasta near Cold Boiling Lake (along trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2255 Comment
  UC727133  Polygonum davisiae A. A. Heller 1941-8-11 16282 Shasta ridge near head of Little Hot Springs Valley; Lassen Volcanic National Park Comment
  CAS-BOT-BC414609  Polygonum douglasii John Thomas Howell 1960-8-20 36214 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC117580  Polygonum douglasii Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21362 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127111  Polygonum douglasii Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21362 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  UC127341  Polygonum douglasii subsp. spergulariiforme H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4336 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC418529  Polygonum minimum John Thomas Howell 1960-8-18 36041 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC117579  Polygonum minimum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21363 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127110  Polygonum minimum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21363 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  JEPS50648  Polygonum phytolaccifolium Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2133 Comment
  UC849947  Polygonum phytolaccifolium Alice Eastwood Aug 22 1912-Aug 26 1912 1878 Tehama Morgans Springs Lassen Butte Region Comment
  CAS-BOT-BC419912  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1960-8-23 6440 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley 2407 Comment
  UC127340  Polygonum polygaloides subsp. kelloggii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4363 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC109259  Polygonum shastense John Thomas Howell 1960-8-19 36155 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CHSC45384  Polygonum shastense Vernon Oswald 1986-8-4 2266 Tehama Lassen Volcanic National Park, Brokeoff Mt. Trail. Growing on a scree slope. 2560 Comment
  CHSC117584  Polygonum spergulariiforme Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21358 Tehama Open low hill area east of the dirt road, northwest part of Childs Meadow, about 100 yards south of Highway 89. 1473 Comment
  JEPS127115  Polygonum spergulariiforme Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21358 Tehama About 100 yards south of Highway 89. Comment
  CHSC60291  Polystichum imbricans Mary Ann Showers 1992-6-26 2587 b Tehama Along West Sulphur Creek east of Sulphur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  CHSC55792  Polystichum imbricans subsp. imbricans Vernon H. Oswald 1991-10-3 4879 Tehama West Bank of West Sulphur Creek, between Lassen Chalet and the Sulphur Works. Lassen Volcanic National Park. 2042 Comment
  CAS-BOT-BC72503  Polystichum scopulinum John Thomas Howell 1960-8-23 36463 Tehama Lassen Loop s. of Diamond Peak 2194 Comment
  UCD110709  Populus tremuloides John Thomas Howell 1960-8-21 36302 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC105605  Populus trichocarpa John Thomas Howell 1960-8-20 36236 Tehama Morgan - near Lassen Volcanic National Park 1463 Comment
  CHSC48858  Potentilla flabellifolia Vernon Oswald 1986-7-24 2226 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. On the edge of streamlet in a meadow. 2255 Comment
  UC54358  Potentilla gracilis H. M. Hall and E. B. Babcock July 1-2, 1903 4358 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC158507  Potentilla millefolia C. R. Quick 1950-6-17 50 -23 Tehama Adjacent to Mill Creek Meadows, W of Gurnsey Camp Ground, Lassen National Forest Comment
  CAS-BOT-BC163063  Prunus emarginata John Thomas Howell 1960-8-18 36044 Tehama Bluff Falls - near Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC163064  Prunus emarginata John Thomas Howell 1960-8-21 36310 Tehama Rocky slope 1/2 mi. se. of Sulphur Works - Lassen Volcanic National Park 2133 Comment
  CHSC60398  Prunus emarginata Mary Ann Showers 1992-6-26 2588 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60399  Prunus emarginata Mary Ann Showers 1992-6-28 2641 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  SBBG3044  Prunus emarginata H. and M. Dearing 1938-6-23 2122 Tehama near S boundary of Lassen Nat Park Comment
  UCD113217  Prunus emarginata John Thomas Howell 1960-8-18 36044 Tehama Bluff Falls. 1981 Comment
  CHSC59170  Pseudognaphalium luteoalbum Vernon H. Oswald 1992-9-29 5225 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  UC54464  Pseudostellaria jamesiana H. M. Hall and E. B. Babcock July 1-2, 1903 4335 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, Mill Creek Canyon 1554 Comment
  CAS-BOT-BC72519  Pteridium aquilinum John Thomas Howell 1960-8-18 36026 Tehama Bluff Falls 1981 Comment
  CHSC61392  Pteridium aquilinum var. pubescens Vernon H. Oswald; Lowell Ahart 1993-8-18 5846 Tehama Mt. Conard near the S boundary of Lassen Volcanic National Park. 2164 Comment
  CHSC60358  Quercus kelloggii Mary Ann Showers 1992-6-28 2632 Tehama Lassen Volcanic National Park. Andesite ridge east of Sulphur Works Entrance Station east of and above West Sulphur Creek. 1950 Comment
  CAS-BOT-BC362691  Raillardella argentea John Thomas Howell 1960-8-19 36156 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CHSC45700  Raillardella argentea Vernon Oswald 1986-8-4 2265 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2560 Comment
  CHSC61407  Raillardella argentea Vernon H. Oswald; Lowell Ahart 1993-8-18 5830 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. On scree N of the highest point on the ridge. 2468 Comment
  CHSC61408  Raillardella scaposa Vernon H. Oswald; Lowell Ahart 1993-8-18 5831 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. On scree N of the highest point on the ridge. 2468 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
  JEPS55080  Ranunculus alismifolius var. alismifolius W. L. Jepson 1910-6-8 4091 Shasta Lassen Peak; lower slopes 2164 Comment
Read comments
Apr 26 2009
  SBBG15790  Ranunculus flammula D. Myrick 1961-6-24 356 Shasta just S of Park boundary on Mt Lassen Natl Park loop rd 1828 Comment
  UC54287  Ranunculus occidentalis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4334 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS55148  Ranunculus orthorhynchus var. orthorhynchus W. L. Jepson 1910-6-8 4087 Shasta Hot Springs Valley Lassen Peak 1706 Comment
  UC54284  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4378 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS41984  Rhamnus rubra W. L. Jepson 1927-6-24 12324 Tehama near Morgan Springs 1584 Comment
  UC54505  Rhamnus rubra H. M. Hall and E. B. Babcock 4404 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC56584  Rhododendron columbianum M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  PASA1597  Rhododendron occidentale Margaret Stason 1932-6-23 450 Plumas road between mineral and viola Comment
  A380497  Ribes montigenum A. Eastwood 1912-08-22 - 1912-08-26 1863 Unknown trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC212576  Ribes montigenum Hans Leschke 1961-8-18 1827 Shasta Summit Area of Diamond Peak Comment
  CAS-BOT-BC212585  Ribes montigenum John Thomas Howell 1960-8-19 36149 Tehama Brokeoff Mountain Trail 2682 Comment
  GH380514  Ribes montigenum A. Eastwood 1912-08-22 - 1912-08-26 1863 Unknown trail from Morgans Springs to Lassen Butte Comment
  JEPS49399  Ribes montigenum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  CAS-BOT-BC212664  Ribes nevadense Alice Eastwood 1912-8-22 1806 Tehama Trail from Morgans [Morgan] Springs to Lassen Butte Comment
  JEPS49150  Ribes roezlii W. L. Jepson 1927-6-22 12296 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  JEPS49162  Ribes roezlii W. L. Jepson 1910-6-8 4084 Shasta slopes near Hot Spring Valley (near Lassen Pk.) 1828 Comment
  UC54299  Ribes roezlii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4319 Shasta near Soupan Springs; Mount Lassen 2286 Comment
  CAS-BOT-BC168811  Ribes viscosissimum John Thomas Howell 1960-8-21 36305 Tehama Near Sulphur Works entrance, Lassen Volcanic National park 1996 Comment
  CAS-BOT-BC168812  Ribes viscosissimum John Thomas Howell 1961-6-20 36588 Tehama Bluff Falls, near Lassen Volcanic National park 1981 Comment
  UC54308 Image available Ribes viscosissimum H. M. Hall and E. B. Babcock 1903-6-29 4320 Shasta near Soupan Springs; Mount Lassen; near Soupan Springs, Canadian Zone, Shasta Co. 2286 Comment
  UCD102534  Ribes viscosissimum John Thomas Howell 1961-6-20 36588 Tehama Bluff Falls. 1981 Comment
  CHSC60359  Ribes viscosissimum var. hallii Mary Ann Showers 1992-6-26 2580 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC74722  Rorippa curvisiliqua Alice Eastwood 1912-8-22 1779 Tehama Lassen Butte Region. Morgans Springs. Comment
  UC54347  Rosa pisocarpa subsp. ahartii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4396 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC147324  Rubus parviflorus John Thomas Howell 1960-8-21 s.n. Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC147355  Rubus parviflorus Alice Eastwood 1912-8-22 1786 Tehama Trail from Morgans Springs to Sulphur works, Lassen Butte region Comment
  UC54228  Rumex acetosella H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4384 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC46592  Salix boothii Vernon H. Oswald 1989-7-24 3887 Shasta Crumbaugh Lake, Lassen Volcanic Park. 2194 Comment
  RSA31765  Salix boothii A. A. Heller 1942-8-3 16513 Plumas The Drinking Fountain above Little Hot Springs. Lassen Park. Comment
  UC726951  Salix eastwoodiae A. A. Heller 1942-8-3 16513 Plumas at drinking fountain above Little Hot Springs Valley; Lassen Park Comment
  A383161  Salix jepsonii C. R. Ball, Emily Smith & N. F. Bracelin 1923-7-23 673 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106884  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 691 Shasta near Sulphur Springs, Lassen Volcanic National Park Comment
  CAS-BOT-BC106885  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 691 Shasta near Sulphur Springs, Lassen Volcanic National Park Comment
  CAS-BOT-BC106890  Salix jepsonii John Thomas Howell 1961-6-20 36564 Shasta Lassen Highway east of Diamond Peak Comment
  CAS-BOT-BC106893  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106894  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106895  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106896  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106897  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106898  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC106899  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  LA208710  Salix jepsonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen hwy, 8 mi NE of Mineral 1981 Comment
  POM209471  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 682 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209472  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 679 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209473  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 678 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209476  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Hwy. 8 miles NE of Mineral. 1982 Comment
  RSA13623  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 679 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  SBBG27478  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt Lassen Highway, 8.9 mi from Mineral 1981 Comment
  SBBG59103  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SJSU265  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy 8 mi NE of Mineral 1981 Comment
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Jul 6 2009
  UC525923  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 miles north of Sulphur Works Checking Station Lassen Volcanic National Park 2042 Comment
  UC525924  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Hwy. 0.6 mi n of Sulphur Works Checking Station; Lassen Volcanic Nat'l Park 2042 Comment
  UC525936  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525938  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525939  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525943  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 673 Tehama 8 mi n.e Mineral (Mt. Lassen Hwy.) 1981 Comment
  UC525945  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  UCD111089  Salix jepsonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral. Lassen Volcanic National Park. 2011 Comment
  UCD111094  Salix jepsonii John Thomas Howell 1960-8-21 36312 Shasta Lassen Loop east of Diamond Peak. 2225 Comment
  UCD111095  Salix jepsonii John Thomas Howell 1961-6-20 36564 Shasta Lassen Highway east of Diamond Peak. Comment
  CAS-BOT-BC128071  Salix lasiandra var. lasiandra John Thomas Howell 1960-8-20 36234 Tehama Morgan - near Lassen volcanic National Park 1463 Comment
  CAS-BOT-BC128173  Salix lasiandra var. lasiandra Hans Leschke 1960-8-8 1736 Lassen Below trail ski hut, Crumbaugh Lake 1981 Comment
  A383889  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-24 683 Unknown Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  A383890  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 681 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  A383891  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 680 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  A383915  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 672 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  A383947  Salix lemmonii C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-31 391 Unknown 15 km. northeast of Mineral, on wet bank above Lassen Highway Comment
  CAS-BOT-BC124907  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 391 Tehama 15 km. northeast of Mineral; above Lassen Highway 2000 Comment
  CAS-BOT-BC124908  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124909  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station, Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC124910  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124911  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124912  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124913  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124914  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124916  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 677 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124917  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 677 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124918  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124919  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124920  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124921  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124922  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124923  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124924  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124925  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124926  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC124927  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124928  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124929  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124930  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 391 Tehama 15 km. northeast of Mineral; above Lassen Highway 2000 Comment
  CAS-BOT-BC124932  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC124937  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124938  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124940  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC124941  Salix lemmonii John Thomas Howell 1960-8-18 36096 Tehama Sulphur Works Entrance Station 2011 Comment
  GH383936  Salix lemmonii C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-31 391 Unknown 15 km. northeast of Mineral, on wet bank above Lassen Highway Comment
  JEPS14799  Salix lemmonii W. L. Jepson 1910-6-6 4081 Shasta near Lassen Peak Hot Springs Valley 1828 Comment
  LA208884  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  LA208885  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen hwy, 8 mi NE of Mineral 1981 Comment
  LA208886  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  LA208887  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Lassen Volcanic National Park, Mt. Lassen Hwy., 0.6 mi. N of Sulphur Works Checking Station 2042 Comment
  LA208888  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Lassen Volcanic National Park, Mt. Lassen Hwy., 0.6 mi. N of Sulphur Works Checking Station 2042 Comment
  LA208895  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  POM209469  Salix lemmonii Carleton R. Ball 1932-7-24 687 Lassen Mt. Lassen Highway. 0.6 mile N of Sulphur Works Checking Station. Lassen Volcanic National Park. 1982 Comment
  POM209470  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 685 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209474  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 677 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209475  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 676 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209477  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Hwy. 8 miles NE of Mineral. 1982 Comment
  POM209537  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway. 8 miles NE of Mineral. 2043 Comment
  POM209555  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 684 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209557  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 683 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209558  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 686 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM218996  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 391 Tehama 15 km NE of Mineral. Above Lassen Highway. 2000 Comment
  POM362823  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 684 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM362826  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway. 8 miles NE of Mineral. 2043 Comment
  SBBG27355  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG27407  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27409  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 1981 Comment
  SBBG27410  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27412  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27413  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27427  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SBBG54662  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG54687  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG54688  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG54691  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57897  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG57899  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57900  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57901  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57915  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SJSU159  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SJSU168  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
Read comments
Jul 21 2009
  SJSU224  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  SJSU228  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SJSU239  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy,8 mi NE of Mineral 2042 Comment
  SJSU264  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy,8 mi NE of Mineral 2042 Comment
  SJSU266  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  UC482026  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 391 Tehama 15 km. n.e. Mineral (above Lassen Hwy.) 2000 Comment
  UC482327  Salix lemmonii Ball, Bracelin and Kautz 1931-5-31 392 Tehama 15 km. n.e. Mineral (on Lassen Hwy.) 2000 Comment
  UC525910  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 687 Shasta 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 1981 Comment
  UC525911  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 686 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525912  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 686 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525913  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 685 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy. below hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525914  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 685 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy. below hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525915  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525916  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525917  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525918  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525919  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525920  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525921  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 683 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525922  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 683 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525925  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525926  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525927  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525929  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 680 Tehama 8 mi n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525933  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 680 Tehama 8 mi. n.e. Mineral (Mt.Lassen Hwy.) 2042 Comment
  UC525940  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 677 Tehama 8.9 mi. from Mineral (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2011 Comment
  UC525941  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen highway 8.9 miles from Mineral Lassen Volcanico National Park 2011 Comment
  UC525947  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 672 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 1981 Comment
  UC525948  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 672 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 1981 Comment
  UCR66566  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 miles northeast of Mineral 2043 Comment
  RSA201334  Salix lucida subsp. lasiandra J. T. Howell 1960-8-20 36234 Tehama Morgan. Near Lassen Volcanic National Park. 1463 Comment
  RSA201375  Salix lucida subsp. lasiandra J. T. Howell 1960-8-20 36234 Tehama Morgan. Near Lassen Volcanic National Park. 1463 Comment
  CAS-BOT-BC129480  Salix melanopsis John Thomas Howell 1960-8-20 36235 Tehama Morgan - near Lassen Volcanic National Park 1463 Comment
  UCD111772  Salix melanopsis John Thomas Howell 1960-8-20 36235 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  A384564  Salix scouleriana C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 671 Unknown Mt. Lassen Highway, 7.9 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC126172  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt. Lassen HIghway, 7.9 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC126173  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC126175  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt. Lassen Highway, 7.9 miles northeast of Mineral; Bluff Falls 1981 Comment
  CAS-BOT-BC129032  Salix scouleriana John Thomas Howell 1961-6-20 36576 Tehama Sulphur Works entrance - Lassen Volcanic National Park 2011 Comment
  LA208923  Salix scouleriana C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Sierra Nevada, Mt. Lassen hwy, 7.9 mi NE of Mineral 1981 Comment
  POM209478  Salix scouleriana Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy. 7.9 miles NE of Mineral. 1982 Comment
  SBBG27422  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  SBBG57983  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  SJSU158  Salix scouleriana C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy 7.9 mi NE of Mineral 1981 Comment
  UC525949  Salix scouleriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 671 Tehama 7.0 mi. n.e. Mineral (Mt. Lassen Hwy., rock slide below waterfall) 1981 Comment
  UC525950  Salix scouleriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 671 Tehama 7.0 mi. n.e. Mineral (Mt. Lassen Hwy., rock slide below waterfall) 1981 Comment
  UCD111832  Salix scouleriana C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral. 2042 Comment
  CAS-BOT-BC238599  Sambucus nigra subsp. caerulea John Thomas Howell 1960-8-20 36270 Tehama Near Lassen Volcanic National Park. Between Morgan and Childs Meadows 1524 Comment
  JEPS29546  Sambucus racemosa var. microbotrys John Thomas Howell 1961-6-20 36587 Tehama Bluff Falls; near Lassen Volcanic National Park 1981 Comment
  UC1543755  Sambucus racemosa var. microbotrys Harold and Virginia Bailey 1948-8-28 3067 Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC235078  Sambucus racemosa var. racemosa John Thomas Howell 1961-6-20 36587 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC235079  Sambucus racemosa var. racemosa John Thomas Howell 1960-8-21 36303 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  SJSU488  Sambucus racemosa var. racemosa G. Witherspoon 1940-6-29 2157 Shasta near Sulphur Works, Lassen Volcanic National Park 2042 Comment
  UC543338  Sanguisorba annua H. M. Hall and E. B. Babcock July 1-2, 1903 4342 Tehama near Morgan ((Mill Creek Canyon), Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CHSC60299  Sanicula graveolens Mary Ann Showers 1992-6-26 2592 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 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
  UC1036247  Sanicula graveolens George W. Gillett 1952-7-14 73 Shasta vicinity of sulphur works, near buildings Lassen Volcanic National Park 2133 Comment
  UC1036270  Sanicula graveolens George W. Gillett 1952-7-14 74 Shasta 1 mi below sulphur works (on upper side of highway); Lassen Volcanic National Park 2133 Comment
  UC2012967  Sanicula tuberosa Barbara Ertter 1990-5-13 8961 Tehama Northeast TEHAMA CO.: north side Highway 36 between Morgan Springs and Child Meadows, open W-facing bank above Mill Creek. Comment
  SEINET3240015  Santalaceae R. L. Mathiasen 2010-1 1034 Tehama 3.8 km N of jct. of Routes 89 and 36 on Rte. 89. Ca. 3 km S of S entrance of Lassen Nat. Park. 1900 Comment
  UC1543721  Sarcodes sanguinea Harold and Virginia Bailey 1948-8-28 3057 Tehama near Sulphur Creek campground (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 2011 Comment
  JEPS28758  Saxifraga bryophora George W. Gillett 1957-8-13 1052 Tehama 1/4 mi above Sulphur Works Checking Station (Brokeoff Mountain Trail); Lassen Volcanic National Park, Brokeoff Mountain Trail 2072 Comment
  POM213959  Saxifraga odontoloma H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Above West Sulphur Creek. 2000 Comment
  UC591532  Saxifraga odontoloma H. F. Copeland 1935-7-29 Shasta above West Sulphur Creek (Mount Lassen); Mount Lassen 2000 Comment
  JEPS47640  Saxifraga oregana W. L. Jepson 1927-6-22 12297 Shasta Lassen Peak, Hot Springs Valley Hot Springs Valley; Lassen Peak, Hot Springs Valley 1828 Comment
  UC570029  Saxifraga tolmiei H. A. Jensen 1934-10-6 386 Shasta Bumpas Mountain 2651 Comment
  CHSC117582  Sceptridium multifidum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21364 Tehama Wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  UCD126467  Schedonorus arundinaceus John Thomas Howell 1960-8-20 36248 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  CAS-BOT-BC283620  Schedonorus pratensis John Thomas Howell 1960-8-20 36248 Tehama Morgan 1463 Comment
  CAS-BOT-BC35552  Scirpus congdonii John Thomas Howell 1960-8-18 36080 Tehama Bluff Falls 1981 Comment
  CHSC60452  Scirpus diffusus Mary Ann Showers 1992-6-26 2575 Tehama Lassen Volcanic National Park. Above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC149679  Scirpus diffusus H. M. Hall and E. B. Babcock July 1-2, 1903 4382 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CHSC59146  Scirpus microcarpus Vernon H. Oswald 1992-8-19 5164 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. 2194 Comment
  CHSC60453  Scirpus microcarpus Mary Ann Showers 1992-6-26 2594 Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC363433  Senecio aronicoides John Thomas Howell 1960-8-19 36119 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC363588  Senecio fremontii var. fremontii Hans Leschke 1954-9-22 s.n. Shasta Lassen Volcanic National Park. Top of Brokeoff Mt. 2813 Comment
  CAS-BOT-BC363592  Senecio fremontii var. fremontii John Thomas Howell 1960-8-19 36193 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CHSC45772  Senecio fremontii var. fremontii Vernon Oswald 1986-7-24 2232 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CAS-BOT-BC363641  Senecio fremontii var. occidentalis Lewis S. Rose 1945-9-7 45266 Shasta Bumpas Hot Springs 2529 Comment
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  JEPS37433  Senecio integerrimus var. exaltatus W. L. Jepson 1927-6-23 12319 Tehama Morgans Springs 1584 Comment
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Jul 12 2009
  CAS-BOT-BC333006  Senecio scorzonella Hans Leschke 1956-9-21 s.n. Shasta Near Cold Boiling Lake, Lassen National Park 2260 Comment
  CAS-BOT-BC333010  Senecio scorzonella John Thomas Howell 1960-8-21 36316 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC341226  Senecio scorzonella Alice Eastwood 1912-8-22 1830 a Tehama Trail from Morgans Sprgs, Lassen Butte Region Comment
  CHSC45770  Senecio scorzonella Vernon Oswald 1986-7-28 2245 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2316 Comment
  UC726786  Senecio triangularis A. A. Heller 16294 Tehama Sulphur Works checking station Lassen Volcanic National Park Comment
  CHSC60367  Sidalcea oregana subsp. spicata Mary Ann Showers 1992-6-27 2661 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  UC1543864  Sidalcea oregana subsp. spicata Harold and Virginia Bailey 1948-8-28 3063 a Shasta Sulphur Works Lassen Volcanic National Park, Sulphur Works 2133 Comment
  UC871506  Sidalcea oregana subsp. spicata Alice Eastwood Aug 22 1912-Aug 26 1912 1888 Tehama Morgans Springs Lassen Butte Region, Morgans Springs Comment
  JEPS50916  Silene bernardina W. L. Jepson 1910-6-8 4097 Shasta Lassen Pk Lassen Pk. Hot Springs Valley 1828 Comment
  CAS-BOT-BC136292  Silene douglasii John Thomas Howell 1960-8-19 36138 Tehama Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC386970  Silene douglasii M. S. Jussel 1931-9-7 s.n. Shasta Bumpass Hell Trail, Mt lassen 2286 Comment
  CAS-BOT-BC386972  Silene douglasii John Thomas Howell 1960-8-19 36172 Shasta Summit ridge Brokeoff Mt. 2773 Comment
  CHSC60353  Silene douglasii Mary Ann Showers 1992-6-26 2590 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS28443  Silene douglasii George W. Gillett 1957-8-13 1069 Tehama rock-strewn s exposure of upper Brokeoff formation Lassen Volcanic National Park, Brokeoff Mountain (Brokeoff Mountain) 2743 Comment
  UC1036316  Silene douglasii Gillett 1952-8-11 178 Shasta approximately one-half mi below Bumpas Hell (between Bumpas Hell and Kings Creek Meadow); Lassen Volcanic National Park, btw Bumpas Hell and Kings Crk 2377 Comment
  CHSC48267  Silene douglasii var. douglasii Vernon Oswald 1986-7-24 2234 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  UCD98601  Silene douglasii var. douglasii John Thomas Howell 1960-8-19 36138 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CHSC61418  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-18 5814 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  JEPS50999  Silene lemmonii W. L. Jepson 1910-6-8 4096 Shasta Hot Springs Valley Lassen Pk, Hot Springs Valley 1828 Comment
  CAS-BOT-BC181352  Silene occidentalis Alice Eastwood 1912-8-22 1809 Shasta Trail from Morgan's Springs to Lassen Butte Comment
  GH376688  Silene occidentalis A. Eastwood 1912-08-22 - 1912-08-26 1809 Unknown Trail from Morgans Springs to Lassen Butte Comment
  CHSC61419  Silene occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-18 5851 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park, W of Spencer Mdw. 2057 Comment
  UC54468  Silene occidentalis subsp. occidentalis H. M. Hall and E. B. Babcock July 1-2, 1903 4394 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, , near Morgan 1524 Comment
  UC852930  Silene occidentalis subsp. occidentalis Alice Eastwood Aug 22 1912-Aug 26 1912 1809 Shasta trail from Morgans Springs to Lassen Butte; trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC175045  Silene suksdorfii John Thomas Howell 1960-8-19 36171 Shasta Summit ridge, Brokoff Mt. 2773 Comment
  CAS-BOT-BC175051  Silene suksdorfii Mary Ann Showers 1980-8-17 2000 Shasta On north and nw-facing slopes of Bumpass Mt. Lassen Volcanic National Park 2651 Comment
  CHSC59175  Sisymbrium orientale Vernon H. Oswald 1992-9-29 5222 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  UC429220  Sisyrinchium idahoense var. occidentale Milo S. Baker before Feb. 1906 Tehama Little Hot Spring Valley Comment
  CAS-BOT-BC365373  Solidago elongata M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC365374  Solidago elongata Alice Eastwood 1912-8-22 1884 Shasta Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC365376  Solidago elongata John Thomas Howell 1960-8-21 36291 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC54519  Solidago elongata Vernon H. Oswald 1991-8-16 4833 Shasta Lassen Volcanic National Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  A346899  Sorbus californica A. Eastwood August 22-26, 1912 1760 Unknown trail form Morgan's Springs to Sulpleur Works, Lassen Butte Region Comment
  CAS-BOT-BC157215  Sorbus californica M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC117577  Sorbus californica Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21369 Tehama On the north side of a poor dirt road, about 100 yards east of Highwy 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC62000  Sorbus californica Vernon H. Oswald 1993-9-7 5924 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.1 mi N of the park boundary. Along a drainage above the road. 2011 Comment
  JEPS127109  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21369 Tehama About 100 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC46718  Sparganium natans Vernon H. Oswald 1989-7-24 3886 Shasta Crumbaugh Lake, Lassen Volcanic Park. At a number of places along the edge of the lake. 2194 Comment
  A345526  Spiraea douglasii A. Eastwood August 22-26, 1912 1887 Unknown Lassen Butte Region, Morgans Springs Comment
  A345527  Spiraea douglasii A. Eastwood August 22-26, 1912 1834 Unknown trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC149671  Spiraea douglasii Alice Eastwood 1912-8-22 1834 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC149672  Spiraea douglasii Alice Eastwood 1912-8-22 1887 Shasta Morgans Springs, Lassen Butte region Comment
  UC54350  Spiraea douglasii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4407 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC149700  Spiraea splendens Alice Eastwood 1912-8-22 1827 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC149701  Spiraea splendens M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  JEPS89248  Spirodela polyrhiza Hall and Babcock Jun 29 1903-Jun 30 1903 4311 Shasta near Mill Creek (Hot Springs, Mt. Lassen); Mt. Lassen 2438 Comment
  UC54241  Spirodela polyrhiza H. M. Hall and E. B. Babcock Jun 20 1903-Jun 30 1903 4311 Shasta near Mill Creek; Mount Lassen 2438 Comment
  CHSC60363  Stachys ajugoides var. rigida Mary Ann Showers 1992-6-28 2653 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  JEPS63055  Stachys ajugoides var. rigida W. L. Jepson 1927-6-24 12325 Tehama near Lassen Peak (Morgan Sprs.) 1584 Comment
  SBBG16531  Stellaria longifolia D. Myrick 1961-6-24 361 Tehama St Hwy 36 ca. 2 mi E of Mineral 1676 Comment
  UC54462  Stellaria longipes var. longipes H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4383 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UCD99353  Stellaria obtusa John Thomas Howell 1960-8-19 36116 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2313 Comment
  CAS-BOT-BC375049  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CAS-BOT-BC375637  Stephanomeria lactucina John Thomas Howell 1960-8-19 36131 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC87880  Streptanthus tortuosus John Thomas Howell 1960-8-19 36153 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CHSC38075  Streptanthus tortuosus R. E. Preston 1982-7-14 328 Shasta NE ridge of Brokeoff Mountain, Lassen Volcanic National Park. 2621 Comment
  JEPS54038  Streptanthus tortuosus Joseph Grinnell 1925-7-27 Tehama slopes near summit Broke-Off Mountain 2834 Comment
  CHSC48355  Streptanthus tortuosus var. orbiculatus Vernon Oswald 1986-7-24 2237 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  UC171042  Streptopus amplexifolius var. americanus Mrs. C. M. Wilder 1912-6-28 Tehama Morgan Spring Comment
  CAS-BOT-BC245732  Symphoricarpos rotundifolius John Thomas Howell 1960-8-19 36144 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC99047  Symphyotrichum eatonii M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC98879  Symphyotrichum spathulatum var. intermedium Alice Eastwood 1912-8-22 1803 Tehama Morgan's Springs - Lassen Butte Region Comment
  OBI55514  Symphyotrichum spathulatum var. intermedium David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  OBI55516  Symphyotrichum spathulatum var. intermedium David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  CHSC69675  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1992-8-19 5163 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy, ca. 0.5 mi NW of the Southwest Entrance Station. 2194 Comment
  CHSC69676  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1992-9-29 5227 Tehama Hwy 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  OBI55513  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  OBI55515  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  JEPS29559  Taraxacum officinale John Thomas Howell 1960-8-20 36250 Tehama near Lassen Volcanic National Park; Morgan 1463 Comment
  UC54277  Thalictrum fendleri H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4374 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UCD93294  Torreyochloa erecta John Thomas Howell 1960-8-18 36054 Tehama Bluff Falls. 1981 Comment
  GH402430  Trichostema lanceolatum A. Eastwood 1912-08-22 - 1912-08-26 Unknown Morgans Springs. Lassen Butte Region Comment
  UC1862465  Trichostema lanceolatum M. S. Jussel 1931-9-6 Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC60357  Trifolium cyathiferum Mary Ann Showers 1992-6-27 2659 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  UC54385  Trifolium cyathiferum H. M. Hall July 1-2,1903 4377 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1524 Comment
  CHSC59086  Trifolium hybridum Vernon H. Oswald 1992-8-19 5159 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. 2011 Comment
  UC54383  Trifolium kingii var. productum H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4317 Shasta Canadian Zone of the s side Mount Lassen 2286 Comment
  UC54390  Trifolium longipes var. hansenii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4338 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1524 Comment
  UC54394  Trifolium longipes var. hansenii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4318 Shasta near Soupan Springs; Mt. Lassen 2286 Comment
  CHSC65056  Trifolium wormskioldii Vernon H. Oswald; Lowell Ahart 1995-7-17 7091 Tehama High Cascade Range. Forest Rd. 30N16 1.9 mi N of Hwy. 36, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1706 Comment
  UC54239  Triglochin maritima H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4398 Tehama Morgan Springs Mount Lassen, Mill Creek Canyon (near Morgan) 1524 Comment
  UC814448  Triglochin maritima Alice Eastwood Aug 22 1912-Aug 26 1912 1800 Tehama Morgans Springs , Morgans Springs (Lassen Butte Region) Comment
  JEPS28319  Trisetum canescens George W. Gillett 1957-8-18 1100 Tehama Brokeoff Mountain Lassen Volcanic National Park (lower portion of Brokeoff Trail, about 0.25 mi above the Sulphur Works Checking Station) 2103 Comment
  CAS-BOT-BC193538  Trisetum spicatum George W. Gillett 1957-8-18 1100 Tehama Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station up 1/4 mile to stream crossing near extensive talus formation - Lassen Volcanic National Park 2103 Comment
  CAS-BOT-BC193539  Trisetum spicatum John Thomas Howell 1960-8-19 36109 Tehama Brokeoff Mtn. Trail - Lassen Volcanic National Park 2133 Comment
  CHSC61452  Trisetum spicatum Vernon H. Oswald; Lowell Ahart 1993-8-18 5838 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Along ridge S of the highest point. 2490 Comment
  UC54186  Triteleia hyacinthina H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4343 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC24165  Tsuga mertensiana C. E. Stopher 1976-2-1 3 Tehama 8.7 km n of jct. Hwy. 89 and Hwy. 36 on Hwy. 89. On n side of road 5 m from road. 2000 Comment
  CAS-BOT-BC80210  Tsuga mertensiana subsp. grandicona M. S. Jussel 1931-9-7 s.n. Lassen Bumpas Hell Trail Comment
  CAS-BOT-BC80212  Tsuga mertensiana subsp. grandicona John Thomas Howell 1960-8-19 36190 Tehama Summit ridge, Brokeoff Mt. 2773 Comment
  CHSC61442  Valeriana californica Vernon H. Oswald; Lowell Ahart 1993-8-18 5825 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2450 Comment
  CHSC60422  Verbascum thapsus Mary Ann Showers 1992-6-26 2581 Tehama Lassen Volcanic National Park. Along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  SBBG21830  Verbascum thapsus D. Myrick 1964-7-20 879 Plumas Drakesbad-Mineral Rd 1524 Comment
  CHSC60423  Veronica americana Mary Ann Showers 1992-6-28 2649 Lassen Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  SBBG16529  Veronica americana D. Myrick 1961-6-24 359 Tehama St Hwy 36 ca. 2 mi E of Mineral 1676 Comment
  UC1036273  Veronica serpyllifolia subsp. humifusa George W. Gillett 1952-7-20 87 Shasta vicinity of Sulphur Works (near highway above hot springs area, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC54374  Vicia americana var. americana H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4380 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  UC54375  Vicia americana var. americana H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4381 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC263891  Viola adunca C. R. Quick 1950-6-17 50 -24 Tehama Adjacent to Mill Creek Meadows, W of Gurnsey Camp Ground, Lassen National Forest Comment
  UC1761551  Viola adunca H. M. Hall and E. B. Babcock Jul 1-2 1903 4326 Tehama vicinity of Mount Lassen (creek near Morgan Valley (Mill Creek Canyon)) 1676 Comment
  UC54323  Viola adunca H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4326 Tehama near Morgan; Mount Lassen 1676 Comment
  CHSC50428  Viola bakeri Vernon Oswald 1990-6-12 4290 Tehama Mill Creek Falls Trail, Lassen Volcanic National Park. 1999 Comment
  JEPS50220  Viola bakeri W. L. Jepson 1910-6-8 4083 Shasta near Lassen Peak (Hot Springs Valley); Hot Springs Valley Comment
  JEPS50221  Viola bakeri W. L. Jepson 1927-6-22 12284 Shasta Ridge n of Hot Springs Valley; Lassen Peak 1828 Comment
  UC54327  Viola bakeri H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4325 Tehama Parks Ranch, s side of Mount Lassen Parks Ranch; Mount Lassen 2133 Comment
  CHSC65069  Viola glabella Vernon H. Oswald; Lowell Ahart 1995-7-14 7098 Tehama Forest Road 29N22 0.1 mi W of Hwy. 89, ca. 2 mi S of the S boundary of Lassen Volcanic National Park. 1883 Comment
  JEPS97347  Viola glabella Vernon H. Oswald and L. Ahart 1995-7-17 7098 Tehama T29N R4E NE1/4 NW1/4 Sec. 10, 6180 ft, High Cascade Range, Red Fir Forest, volcanic soils. Forest Road 29N22 0.1 mi W of Hwy. 89, ca. 2 mi S of the S boundary of Lassen Volcanic National Park 1883 Comment
  UC54331  Viola glabella H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4297 Shasta Mount Lassen, Soupan Springs Mount Lassen 2438 Comment
  UC54334  Viola lobata subsp. lobata H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4402 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC50429  Viola purpurea subsp. dimorpha Vernon Oswald 1990-6-12 4289 Tehama Mill Creek Falls Trail, Lassen Volcanic National Park. 2057 Comment
  CHSC54495  Viola purpurea subsp. integrifolia Vernon H. Oswald 1991-7-26 4768 Tehama Lassen Volcanic National Park. Brokoff Mtn. Trail, ca. 0.25 mile west of the trailhead. 2097 Comment
  CHSC61443  Viola purpurea subsp. integrifolia Vernon H. Oswald 1993-8-18 5819 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2261 Comment
  CAS-BOT-BC383451  Wyethia mollis Alice Eastwood 1912-8-22 1764 Tehama Trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  UC1070498  Wyethia mollis C. R. Clar Jul 1930 101 Shasta Tophet Springs Lassen Volcanic National Park, Lassen Peak Quadrangle Comment
  UC832902  Wyethia mollis E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Lassen Volcanic National Park 2286 Comment
  JEPS62271  Zigadenus paniculatus W. L. Jepson 1910-6-8 4088 Shasta near Hot Springs Valley; Lassen Pk. 1828 Comment



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