40.61957 40.71957 -121.21701 -121.11701 UC/JEPS: Consortium Search Results
Search Results — 233 specimen records retrieved (233 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1136758  Achillea millefolium George A. Fischer and Irwin H. Johnson 1933-7-12 F 207 Lassen Grass Valley 1700 Comment
  UC506997  Achillea millefolium George A. Fisher and Irwin H. Johnson 1933-7-12 F 207 Lassen Grass Valley; Lassen Natl. Forest Comment
  UC1137653  Achnatherum lemmonii George A. Fisher and Irwin H. Johnson F 198 Lassen Grass Valley Lassen National Forest 1696 Comment
  UC507005  Achnatherum lemmonii George A. Fisher and Irwin H. Johnson F- 198 Lassen Grass Valley Lassen Forest 1696 Comment
  UCD50709  Achnatherum lemmonii George A. Fischer; Irwin H. Johnson 1933-7-12 198 Lassen Grass Valley. 1696 Comment
  RSA129480  Achnatherum occidentale subsp. occidentale G. A. Fischer, I. H. Johnson 1933-7-12 F- 199 Lassen Grass Valley 1697 Comment
  UC1137656  Achnatherum occidentale subsp. pubescens George A. Fischer and Irwin H. Johnson 1933-7-12 F 199 Lassen Grass Valley Lassen National Forest 1696 Comment
  UCD51228  Achnatherum occidentale subsp. pubescens George A. Fischer; Irwin H. Johnson 1933-7-12 F 218 Lassen Lassen County. 1722 Comment
  SEINET10499368  Agastache parvifolia Mary Merello 1993-6-28 Merello 746 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. 1700 Comment
  SEINET11261376  Agastache parvifolia Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-28 746 Lassen Poison Lake. Along Hwy 44 just south of the Hwy 89, Hyw 44 instersection.; 0 1700 Comment
  UC1124436  Agastache parvifolia A. Simontacchi 1940-6-30 915 Lassen 8.6 mi w Burgess Spring; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1125451  Agoseris parviflora A. Simontacchi 1940-6-8 838 Lassen 1.2 mi ne Ebey Lake; Halls Flat Quad. 1699 Comment
  UC1133851  Allium parvum A. Simontacchi 1940-5-17 735 Lassen 5.9 mi s Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  CAS-BOT-BC138010  Alopecurus geniculatus Stuart K. Harris 1960-6-23 21410 Lassen Bed of Poison Lake. 1645 Comment
  OBI77305  Alopecurus geniculatus Anthony Baniaga 2011-7-23 459 Lassen Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 1700 Comment
  RSA0029642  Alopecurus geniculatus Anthony Baniaga 2011-7-23 459 Lassen Lassen National Forest. Poison Lake. 1700 Comment
  UC1130817  Alopecurus geniculatus A. Simontacchi 1940-5-17 745 Lassen 5.9 mi. s. Patterson Mt.; Lassen Nat'l Forest, Halls Flat Quad. Comment
  UC1136824  Alopecurus geniculatus George A. Fischer and Irwin H. Johnson 1933-7-11 F 190 Lassen Dry Lake Lassen Nat'l Forest, Grass Valley, Dry Lake 1694 Comment
  UC507008  Alopecurus geniculatus George A. Fischer and Irwin H. Johnson 1933-7-11 F 190 Lassen Dry Lake Lassen Forest, Grass Valley, Dry Lake 1694 Comment
  CAS-BOT-BC69139  Antennaria geyeri Geo. A. Fisher 1928-6-23 31 Lassen Halls Flat 1615 Comment
  CHSC60873  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1993-7-8 5665 Lassen Pittville Rd. (Lassen 111, 36N01) 2.4 mi N of Hwy. 44, on the NE edge of Poison Lake. 1705 Comment
  UC1136826  Arnica chamissonis George A. Fischer and Irwin H. Johnson 1933-7-12 F 184 Lassen (Dry Lake) Grass Valley Grass Valley, Thompson Meadow 1694 Comment
  UC1609304  Arnica chamissonis Vernon H. Oswald and Lowell Ahart 1993-7-8 5665 Lassen Pittville Rd (Lassen 111, 36N01) 2.4 mi n Hwy 44 (ne edge of lake); Poison Lake 1705 Comment
  UC507003  Arnica chamissonis George A. Fischer and Irwin H. Johnson 1933-7-12 194 Lassen Dry Lake Lassen National Forest, Grass Valley 1694 Comment
  UC1137700  Arnica cordifolia A. Simontacchi 1940-5-21 764 Lassen 4.6 mi sse of Blacks Mtn.; Hall Flat Quad. 1737 Comment
  OBI76979  Arnica sororia Anthony Baniaga 2011-6-23 389 Lassen Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW 1675 Comment
  UCD35734  Artemisia arbuscula Beecher Crampton 1960-6-20 5735 Lassen Grass Valley ca. 4 miles southeast of Black's Mtn. Exper. Station USDA. 1676 Comment
  UCD129363  Artemisia tridentata Beecher Crampton 1960-6-20 5736 Lassen Grass Valley, 4 miles southeast of Black's Mountain Experiment Station, USDA. 1676 Comment
  CHSC60899  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald; Lowell Ahart 1993-7-8 5662 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Edge of woods between the road and railroad. 1709 Comment
  JEPS87396  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1993-7-8 5662 Lassen Pittville Rd. (Lassen 111,36N01) 1.9 mi n of Hwy 44 on the se edge Poison Lake; se edge Poison Lake 1709 Comment
  UC1609459  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1993-7-8 5662 Lassen Pittville Rd. (Lassen 111,36N01) 1.9 mi n of Hwy 44 on the se edge Poison Lake; se edge Poison Lake 1709 Comment
  JEPS87395  Astragalus lentiginosus var. floribundus Vernon H. Oswald and Lowell Ahart 1993-7-8 5663 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi n Hwy 44 (se edge Poison Lake); se edge Poison Lake 1709 Comment
  CHSC60900  Astragalus lentiginosus var. lentiginosus Vernon H. Oswald 1993-7-8 5663 Lassen Pittvile Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  RSA754374  Astragalus lentiginosus var. lentiginosus Brian Knaus 2005-6-14 137 Lassen NE corner of Poison lake. ASLElE-12 1685 Comment
  UC1609460  Astragalus lentiginosus var. lentiginosus Vernon H. Oswald and Lowell Ahart 1993-7-8 5663 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi n Hwy 44 (se edge Poison Lake); se edge Poison Lake 1709 Comment
  CHSC98310  Astragalus pulsiferae var. suksdorfii R. Ondricek-Fallscheer 1999-7-14 206 Lassen 6 1/2 air mi W of Crater Mtn. and 7 1/2 air mi ENE of Lassen Volcanic Natl. Park; 0.3 road mi S of Hwy 44 on USFS Rd. 32N60. 1706 Comment
  UC1128896  Astragalus purshii var. tinctus A. Simontacchi 1940-6-8 839 Lassen 1/2 mi ne Ebey Lake; Halls Flat Quad., Lassen National Forest, e of Ebey Lake 1699 Comment
  RSA121169  Boisduvalia glabella G. A. Fischer, Irwin H. Johnson 1933-7-12 F- 197 Lassen Grass Valley (Dry Lake), Lassen [National] Forest 1695 Comment
  UC1136685  Calyptridium umbellatum A. Simontacchi 1940-5-17 733 Lassen 5.7 mi ssw of Patterson Mountain (Lassen National Forest); Lassen National Forest 1706 Comment
  UC1134560  Camassia quamash subsp. breviflora A. Simontacchi 1940-5-17 736 Lassen 5.9 mi s of Patterson Mountain (Lassen National Forest); Lassen National Forest 1706 Comment
  UC1137782  Carex August L. Hormay 1934-5-14 Lassen Gray's Flat Well Lassen National Forest 1706 Comment
  UC1143011  Carex aurea August L. Hormay 1934-5-14 Lassen Gray's Flat Well Lassen National Forest, Gray's Flat Well 1706 Comment
  JEPS100621  Carex douglasii Dean W. Taylor 1974-6-14 3716 Lassen Poison Lake, on Hwy 44 ca. 2 miles W from the junction with Pittville Road 1615 Comment
  UC1736284  Carex douglasii Dean W. Taylor 1974-6-14 3716 Lassen Poison Lake, on Hwy 44 ca. 2 miles W from the junction with Pittville Road 1615 Comment
  UC1133496  Carex filifolia var. erostrata A. Simontacchi 1940-5-17 729 Lassen 5.7 mi ssw Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1063043  Castilleja applegatei subsp. pinetorum A. Simontacchi 1940-5-16 728 Lassen 2.3 mi wnw Cone Mtn.; Lassen National Forest, Halls Flat Quad. 1752 Comment
  CHSC60921  Castilleja campestris subsp. campestris Vernon H. Oswald; Lowell Ahart 1993-7-8 5644 Lassen Pittville Rd. (Lassen 111, 36N01) near its intersection with 22N11, 0.4 mi N of Hwy. 44, near the SE end of Poison Lake. 1709 Comment
  JEPS87488  Castilleja campestris subsp. campestris Vernon H. Oswald and Lowell Ahart 1993-7-8 5644 Lassen near se end Poison Lake (0.4 mi n of Highway 44, Pittville Rd (Lassen 111,36N01), near its intersection with 33N11); near se end Poison Lake 1709 Comment
  UC1609193  Castilleja campestris subsp. campestris Vernon H. Oswald and Lowell Ahart 1993-7-8 5644 Lassen near se end Poison Lake (0.4 mi n of Highway 44, Pittville Rd (Lassen 111,36N01), near its intersection with 33N11); near se end Poison Lake 1709 Comment
  UC1063499  Castilleja pilosa A. Simontacchi 1940-6-30 910 Lassen 4.2 mi s Blacks Mtn.; Lassen National Park, Halls Flat Quad. 1699 Comment
  SEINET10493654  Ceanothus prostratus Mary Merello 1993-6-28 Merello 748 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. 1700 Comment
  CHSC60898  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald; Lowell Ahart 1993-7-8 5660 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Between the railroad and the lake. 1709 Comment
  UC1609091  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald and Lowell Ahart 1993-7-8 5660 Lassen 1.9 mi n Hwy 44 (Pittville Rd., on se edge of lake, between the rr and the lake); Poison Lake 1709 Comment
  CHSC60892  Chenopodium nitens Vernon H. Oswald; Lowell Ahart 1993-7-8 5659 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
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Nov 1 2014
  UC1037245  Cirsium andersonii Leo Whitney 1933-8-8 1994 Lassen near Poison lake, ca 23 m w (of Eagle Lake) Eagle Lake; Poison Lake 1828 Comment
  CHSC83619  Clarkia stellata L. P. Janeway 2001-6-28 7233 Lassen High Cascade Range. Southwest flank of Cone Mountain, 0.5 km southwest of the summit; along Road 33N41Y 0.5 km southeast of Road 33N41YD. 1955 Comment
  OBI76916  Claytonia rubra subsp. rubra Anthony Baniaga 2011-6-7 315 Lassen Lassen Natl Forest. NW area of Grays Valley, just S of intersection of 33N11 and 32N83Y. Poison Lake quad 1747 Comment
  CHSC83603  Crepis acuminata L. P. Janeway 2001-6-28 7234 Lassen High Cascade Range. Southwest flank of Cone Mountain, 0.5 km southwest of the summit; along Road 33N41Y 0.5 km southeast of Road 33N41YD. 1955 Comment
  CHSC57350  Cryptantha K. R. Stern 1974-6-26 5860 Lassen Ditch bank beside railroad track, e side of Poison Lake Rd. to Pittville, ca. 1.8 mi nw of intersection with Hwy. 44. Comment
  SDSU20522  Cryptantha ambigua Nuri Benet-Pierce, John P. Pierce 2012-7-14 522 Lassen Between Poison Lake and Patterson Flats, in clearing by the rd, at the start to 35N08. 1724 Comment
  SDSU20523  Cryptantha ambigua Nuri Benet-Pierce, John P. Pierce 2012-7-14 523 Lassen Between Poison Lake and Patterson Flats, in clearing by the rd, at the start to 35N08. 1724 Comment
  SDSU20524  Cryptantha ambigua Nuri Benet-Pierce, John P. Pierce 2012-7-14 524 Lassen Between Poison Lake and Patterson Flats, in clearing by the rd, at the start to 35N08. 1724 Comment
  JEPS32210  Damasonium californicum Jos. Grinnell 1928-6-26 Lassen Poison Lake Lassen Peak Region, Poison Lake 1737 Comment
  UC1130605  Damasonium californicum Robert W. Gardner 1937-6-26 G- 25 Lassen Poison Lake Halls Flat Quad., Poison Lake Comment
  UC1137760  Damasonium californicum August L. Hormay 1934-5-14 Lassen Poison Lake Lassen Nat'l Forest, Poison Lake 1706 Comment
  UC1731161  Damasonium californicum Dean W. Taylor 1974-6-14 3714 Lassen on Hwy. 44 ca. 2 mi. w. from junction w/ Pittville Rd. Poison Lake; Modoc Plateau 1615 Comment
  CHSC36435  Delphinium depauperatum Dave Leuck 1981-6-16 19 Lassen Meadow near turnoff to Caribou Wilderness Area on Hwy. 44. Comment
  UC1126095  Delphinium nuttallianum A. Simontacchi 1940-5-14 708 Lassen 10.2 mi e Coyote Spring; Lassen National Forest, Halls Flat Quadrangle Comment
  CHSC60884  Descurainia incisa subsp. filipes Vernon H. Oswald; Lowell Ahart 1993-7-8 5656 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Along a ridge between the railroad and the lake. 1709 Comment
  UC1609092  Descurainia incisa subsp. filipes Vernon H. Oswald and Lowell Ahart 1993-7-8 5656 Lassen ne edge Poison Lake (1.9 mi n of Hwy 44, Pittville Rd (Lassen 111, 36N01), ridge between railroad and lake) 1709 Comment
  CHSC23459  Downingia K. R. Stern 1973-4-18 5853 Lassen Drying vernal pool area, ca. 0.2 mi n of Hwy 44 on Pittsville Rd. Comment
  CHSC23491  Downingia bicornuta K. R. Stern 1974-6-26 5855 Lassen Ditch bank beside railroad track, e side of Poison Lake Rd. to Pittville, 1.8 mi nw of intersection with Hwy. 44. Comment
  CHSC60887  Downingia bicornuta var. bicornuta Vernon H. Oswald; Lowell Ahart 1993-7-8 5649 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  JEPS14500  Downingia bicornuta var. bicornuta Joseph Grinnell 1928-6-26 Lassen Poison Lake 1737 Comment
  JEPS22792  Downingia bicornuta var. bicornuta Robert W. Gardner 1936-1 Lassen Poison Lake (Poison Lake is about 6 mi se of Halls Flat R.S. in sw Lassen County--R. Bacigalupi, 1957) Poison Lake 1676 Comment
  JEPS87497  Downingia bicornuta var. bicornuta Vernon H. Oswald and Lowell Ahart 1993-7-8 5649 Lassen on s.e. edge Poison Lake (Pittville Rd. (Lassen 111, 36N01) 1.9 mi. n. of Hwy. 44, e. side of R.R., which parallels the lake shore at this point) 1709 Comment
  UC1143175  Downingia bicornuta var. bicornuta Robert W. Gardner 1937-6-26 G- 24 Lassen Poison Lake Halls Flat Quad. 1706 Comment
  UC1609203  Downingia bicornuta var. bicornuta Vernon H. Oswald and Lowell Ahart 1993-7-8 5649 Lassen 1.9 mi n Highway 44 (Pittville Rd (Lassen 111, 36N01), se edge of Poison Lake, on the e side of the railroad, which parallels the lake shore at this point); Poison Lake 1709 Comment
  CHSC60888  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1993-7-8 5647 Lassen Pittville Rd. (Lassen 111, 36N01) near its intersection with 33N11, 0.4 mi N of Hwy. 44, near the SE end of Poison Lake. 1709 Comment
  UC1609096  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1993-7-8 5647 Lassen 0.4 mi n Hwy. 44 (Pittville Rd (Lassen 111, 36N01) near its intersection with 33N11, near se end of Poison Lake) 1709 Comment
  OBI78908  Draba verna Anthony Baniaga 2011-6-7 313 Lassen Lassen National Forest. Northwest area of Grays Valley, just South of intersection of 33N11 and 32N83Y. Poison Lake quadrangle. 1747 Comment
  CHSC60896  Elatine californica Vernon H. Oswald; Lowell Ahart 1993-7-8 5646 Lassen Pittville Rd (Lassen 111, 36N01) near its intersection with 33N11, 0.4 mi N of Hwy. 44, near the SE end of Poison Lake. 1709 Comment
  CHSC60897  Elatine californica Vernon H. Oswald; Lowell Ahart 1993-7-8 5661 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1706 Comment
  JEPS87390  Elatine californica Vernon H. Oswald and Lowell Ahart 1993-7-8 5661 Lassen 1.9 mi n Hwy. 44 (Pittville Rd (Lassen 111, 36N01), on se edge of Poison Lake); se edge Poison Lake 1706 Comment
  UC507009  Epilobium campestre George A. Fischer, Irwin H. Johnson 1933-7-12 F- 197 Lassen Lassen Forest, Grass Valley, Dry Lake 1694 Comment
  UC1122350  Epilobium torreyi A. Simontacchi 1940-6-30 905 Lassen 2.2 mi ene Ebey Lake 1699 Comment
  OBI76981  Eremogone congesta Anthony Baniaga 2011-6-23 390 Lassen Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW 1675 Comment
  CAS-BOT-BC286601  Ericameria bloomeri Clarence R. Quick 1964-8-1 64 -94 Lassen Cal Mt. east of Poison Lake 1767 Comment
  UC1118874  Ericameria bloomeri A. Simontacchi 1940-7-7 929 Lassen 0.8 mi n Cone Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1136848  Ericameria bloomeri George A. Fischer and Irwin H. Johnson 1933-8-26 F- 280 Lassen n border Grass Valley; Lassen Forest, Grass Valley 1676 Comment
  CAS-BOT-BC295180  Erigeron inornatus Clarence R. Quick 1964-8-5 64 -97 Lassen Cal Mt. east of Poison Lake 1767 Comment
  JEPS22799  Erigeron pumilus var. intermedius George A. Fischer and Irwin H. Johnson 1933-7-12 F 209 Lassen Grass Valley Lassen Forest, Grass Valley 1700 Comment
  UC1118181  Erigeron pumilus var. intermedius A. Simontacchi 1940-6-30 906 Lassen 2.2 mi ene of Ebey Lake; Halls Flat Quad. 1699 Comment
  UC506996  Erigeron pumilus var. intermedius George A. Fischer and Irwin H. Johnson 1933-7-12 F 209 Lassen Grass Valley 1700 Comment
  CHSC12966  Eriogonum ovalifolium var. nivale K. R. Stern 1974-6-26 5864 Lassen Ca. 3 mi nw of intersection of Pittville Rd. with Hwy. 44, ca. 200 yds. ne of Poison Lake. 1700 Comment
  UC1032333  Eriogonum ovalifolium var. ovalifolium A. Simontacchi 1940-6-30 932 Lassen 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1032334  Eriogonum strictum var. anserinum A. Simontacchi 1940-6-30 907 Lassen 2.2 mi ene Ebey Lake; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1137678  Eriogonum umbellatum var. modocense George A. Fischer and Irwin H. Johnson 1933-7-12 F 201 Lassen Grass Valley Lassen National Forest, Grass Valley 1699 Comment
  CAS-BOT-BC262200  Eriogonum ursinum Clarence R. Quick 1964-8-5 64 -98 Lassen Cal Mt. east of Poison Lake 1767 Comment
  UC566757  Eriophyllum lanatum var. achilleoides Loyd Swift 1928-6-12 Lassen Halls Flat Lassen National Forest, Halls Flat Comment
  OBI76976  Eriophyllum lanatum var. integrifolium Anthony Baniaga 2011-6-20 386 Lassen Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW 1675 Comment
  UC507013  Eriophyllum lanatum var. integrifolium George A. Fischer and Irwin H. Johnson 1933-7-12 F- 200 Lassen Grass Valley Lassen National Forest, Grass Valley 1697 Comment
  CAS-BOT-BC41510  Erysimum asperum Geo. A. Fisher 1928-6-21 28 Lassen Lassen Forest. 1615 Comment
  UC477504  Erysimum capitatum var. capitatum Geo. O. Fisher 1928-6-21 28 Lassen Lassen <National> Forest 1615 Comment
  CHSC60923  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1993-7-8 5652 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  CHSC71395  Erythranthe inflatula Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1998-7-13 9263 Lassen Pittville Rd. (Lassen 111, FS 36N01) on the southeast edge of Poison Lake 1.9 mi N of Hwy. 44. On the bank of a pond on the east side of the railroad, which parallels the lake shore at this point. 1709 Comment
  CHSC110771  Euphorbia crenulata Dean Wm. Taylor 2012-7-18 21273 Lassen Pumice flat nestled in the cones about 2 miles South of the south end Poison Lake (along Highway 44). 1783 Comment
  SEINET8506929  Euphorbia crenulata D. W. Taylor 2008-5-14 20198 Lassen Unnamed flat about 2 air miles SSE of Poison Butte 1768 Comment
  SEINET9594781  Euphorbia crenulata D. W. Taylor 2012-7-18 21273 Lassen Along Hwy 44, pumice flat nestled in the cones ca 2 miles S of the S end of Poison Lke. 1783 Comment
  CHSC60932  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1993-7-8 5664 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Woods between the road and the railroad. 1709 Comment
  UC1609256  Festuca idahoensis Vernon H. Oswald and Lowell Ahart 1993-7-8 5664 Lassen 1.9 mi n Hwy. 44 (Pittville Rd (Lassen 111, 36N01), between the road and railroad, on se edge of Poison Lake); Poison Lake 1709 Comment
  OBI77063  Garrya fremontii Anthony Baniaga 2011-6-7 310 Lassen Lassen NF.. W of 34N60. Burney Mtn East quad. T34N r3E sec 35 SW of NE 1747 Comment
  UC506925  Gayophytum diffusum subsp. parviflorum George A. Fischer and Irwin H. Johnson 1933-7-14 F 247 Lassen Lassen National Forest 1767 Comment
  OBI77053  Glyceria borealis Anthony Baniaga 2011-7-23 463 Lassen Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 1700 Comment
  RSA0030654  Glyceria borealis Anthony Baniaga 2011-7-23 463 Lassen Lassen National Forest. Poison Lake. 1700 Comment
  CHSC60922  Gratiola ebracteata Vernon H. Oswald; Lowell Ahart 1993-7-8 5650 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  UC1123890  Gymnosteris parvula A. Simontacchi 1940-5-14 717 Lassen 10.2 mi e of Coyote Spring (Lassen National Forest); Lassen National Forest 1699 Comment
  SEINET10483367  Horkelia fusca subsp. tenella Mary Merello 1993-6-28 Merello 752 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. 1700 Comment
  UC908152  Ipomopsis aggregata Loyd Swift 1928-6-12 Lassen Hall's Flat Lassen National Forest Comment
  UC2062875  Isoetes nuttallii Forrest Freund 2016-5-18 256 Lassen Side of Highway 44. Comment
  UC1133735  Juncus balticus A. Simontacchi 1940-5-17 738 Lassen 5.9 mi s Patterson Mtn.; Lassen National Forest, Halls Flat Quad. 1706 Comment
  CHSC60920  Kelloggia galioides Vernon H. Oswald; Lowell Ahart 1993-7-8 5657 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  UC1609265  Kelloggia galioides Vernon H. Oswald and Lowell Ahart 1993-7-8 5657 Lassen se edge Poison Lake (1.9 mi n of Hwy 44, Pittville Rd (Lassen 111, 36N01), between the railroad and the lake) 1709 Comment
  UC1137585  Leptodactylon pungens A. Simontacchi 1940-6-30 911 Lassen 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quad. Comment
  UC1136693  Lewisia nevadensis A. Simontacchi 1940-5-5 714 Lassen 10.2 mi e Coyote Spring; Lassen National Forest, Halls Flat quadrangle Comment
  CHSC61168  Lewisia pygmaea Vernon H. Oswald; Lowell Ahart 1993-5-12 5387 Lassen Hwy. 44 between Poison Lake and A21 (to Westwood), 1.6 mi SE of Pittsville Rd. In a meadow on the N side of the road. 1719 Comment
  RSA126619  Leymus condensatus A. Simontacchi 1940-6-30 946 Lassen Halls Flat: 8.6 miles W. of Burgees Spring 1700 Comment
  UC1131756  Leymus triticoides A. Simontacchi 1940-8-30 912 Lassen 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1609095  Lilaea scilloides Vernon H. Oswald and Lowell Ahart 1993-7-8 5645 Lassen near se end Poison Lake (Pittville Rd (Lassen 111, 36N01), near its intersection with 33N11, 0.4 mi n of Hwy 44) 1709 Comment
  OBI77066  Lithophragma glabrum Anthony Baniaga 2011-6-7 316 Lassen Lassen NF. NW area of Grays Valley, just S of intersection of 33N11 and 32N83Y. Poison Lake quad T32N R7E sec 11 SW of NE 1747 Comment
  UC1123089  Lomatium bicolor var. leptocarpum A. Simontacchi 1940-5-14 710 Lassen 10.2 mi E of Coyote Spring 1699 Comment
  UC1123081  Lomatium nevadense var. nevadense A. Simontacchi 1940-5-14 709 Lassen 10.2 mi. e. Coyote Spring (Lassen Nat'l Forest); , Halls Flat Quad. Comment
  UC1123086  Lomatium nevadense var. parishii A. Simontacchi 1940-5-14 709 A Lassen 10.2 mi e Coyote Spring; Lassen National Forest, Halls Flat Quadrangle Comment
  CHSC24959  Lotus purshianus K. R. Stern 1974-6-26 5858 Lassen Ditch bank beside railroad track, e side of Poison Lake Rd. to Pittville, ca. 1.8 mi nw of intersection with Hwy. 44. Comment
  RSA122900  Lotus unifoliolatus G. A. Fischer, Irwin H. Johnson 1933-7-12 193 Lassen Grass Valley 1695 Comment
  SBBG3562  Lupinus argenteus var. heteranthus H. and M. Dearing 1938-6-30 2228 Lassen Poison Lake, 40 mi W of Susanville 1219 Comment
  UC1137588  Lupinus lepidus var. lobbii A. Simontacchi 1940-6-30 909 Lassen 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC1138211  Lupinus lepidus var. lobbii George A. Fischer and Irwin H. Johnson 1933-7-12 F 203 Lassen Grass Valley; Lassen National Forest, Grass Valley 1700 Comment
  UC507001  Lupinus lepidus var. lobbii George A. Fischer and Irwin H. Johnson 1933-7-12 F 203 Lassen Grass Valley; Lassen National Forest, Grass Valley 1700 Comment
  RSA121632  Lupinus leucophyllus G. A. Fischer, Irwin H. Johnson 1933-7-12 204 Lassen Grass Valley 1701 Comment
  UC1129770  Lupinus leucophyllus A. Simontacchi 1940-6-30 908 Lassen 4.2 mi s Blacks Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  UC506994  Lupinus leucophyllus George A. Fischer and Irwin H. Johnson 1933-7-12 204 Lassen Grass Valley. Comment
  JEPS89847  Marsilea oligospora Dean W. Taylor 1974-6-14 3712 Lassen on Hwy. 44 ca. 2 mi. w. from junction w/ Pittville Rd.; Modoc Plateau, Poison Lake 1615 Comment
  CHSC60909  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1993-7-8 5654 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poisen Lake. 1709 Comment
  UC1609094  Mentzelia albicaulis Vernon H. Oswald and Lowell Ahart 1993-7-8 5654 Lassen 1.9 m N Hwy. 44 (on the SE edge of Poison Lake.); Pittville Rd.(Lassen 111,36N01); T32N R7E SE1/4 SE 1/4 Sec. 4 1709 Comment
  CHSC61179  Micranthes nidifica Vernon H. Oswald; Lowell Ahart 1993-5-12 5388 Lassen Hwy. 44 between Poison Lake and A21 (to Westwood), 1.6 mi SE of Pittsville Rd. Meadow on the S side of the road. 1719 Comment
  UC507004  Microseris laciniata subsp. laciniata George A. Fischer and Irwin H. Johnson 1933-7-12 F 195 Lassen Grass Valley Lassen Forest, , Dry Lake 1694 Comment
  UC1609128  Mimulus breviflorus Vernon H. Oswald and Lowell Ahart 1993-7-8 5652 Lassen 1.9 mi n Hwy. 44 (Pittville Rd. (Lassen 111, 36N01), se edge of lake, on the e side of the railroad, which parallels the lake shore at this point); Poison Lake 1709 Comment
  UC1609365  Mimulus breviflorus Vernon H. Oswald and Lowell Ahart 1993-7-8 5652 Lassen 1.9 mi n Hwy. 44 (Pittville Rd. (Lassen 111, 36N01), se edge of lake, on the e side of the railroad, which parallels the lake shore at this point); Poison Lake 1709 Comment
  UC1778584  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -71 Lassen Moist clayey soil. East side of Poison Lake, 50 meters W of Pitville Rd., 1.8 mi NW of Hwy 44. East of Railroad track and wet ditch. 1749 Comment
  UC1063561  Mimulus nanus var. nanus A. Simontacchi 1940-5-14 718 Lassen 3.5 mi sw Patterson Mt.; Lassen National Forest, Halls Flat Quadrangle Comment
  RSA536394  Mimulus pygmaeus Beth Corbin, Kim Earll, Steve Klukkert 1991-6-18 627 Lassen Gray's Valley, 4 miles N of USFS Bogard Work Center. 1715 Comment
  RSA536395  Mimulus pygmaeus Beth Corbin, Kim Earll, Steve Klukkert 1991-6-20 629 Lassen Gray's Valley, 4.5 miles N of USFS Bogard Work Center. 1715 Comment
  UC1063539  Mimulus suksdorfii A. Simontacchi 1940-5-14 716 Lassen 10.2 mi e Coyote Spring; Lassen National Forest, Halls Flat Quadrangle Comment
  UC477503  Monardella glauca Geo. A. Fisher 1928-6-12 27 Lassen Lassen Forest 1615 Comment
  CAS-BOT-BC222148  Monardella odoratissima subsp. pallida Geo. A. Fisher 1928-6-12 27 Lassen Lassen National Forest 1615 Comment
  CHSC83680  Monardella odoratissima subsp. pallida L. P. Janeway 2001-6-28 7235 Lassen High Cascade Range. Southwest flank of Cone Mountain, 0.5 km southwest of the summit; along Road 33N41Y 0.5 km southeast of Road 33N41YD. 1955 Comment
  OBI77205  Monolepis nuttalliana Anthony Baniaga 2011-7-23 462 Lassen Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 1700 Comment
  OBI76977  Montia chamissoi Anthony Baniaga 2011-6-20 385 Lassen Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW 1675 Comment
  UC1136743  Montia chamissoi A. Simontacchi 1940-5-17 742 Lassen 5.9 mi s of Patterson Mountain (Lassen National Forest); Lassen National Forest 1706 Comment
  OBI77069  Montia linearis Anthony Baniaga 2011-6-7 314 Lassen Lassen NF. NW area of Grays Valley, just S of intersection of 33N11 and 32N83Y. Poison Lake quad T32N R7E sec 11 SW of NE 1747 Comment
  UC1136744  Montia linearis A. Simontacchi 1940-5-14 711 Lassen 10.2 mi e of Coyote Spring (Lassen National Forest); Lassen National Forest 1699 Comment
  RSA129677  Muhlenbergia richardsonis G. A. Fischer, Irwin Johnson 1933-7-12 F- 196 Lassen Lassen National Forest; Grass Valley. 1695 Comment
  RSA256322  Muhlenbergia richardsonis J. R. Reeder, C. G. Reeder 1973-6-5 6236 Lassen 35 miles NW of Susanvill, near Pittville sing on Hwy 44 1738 Comment
  UC1132396  Muhlenbergia richardsonis Robert W. Gardner 1939-7-10 G- 35 Lassen Grass Valley Halls Flat Quadrangle Comment
  UC507007  Muhlenbergia richardsonis George A. Fischer and Irwin H. Johnson 1933-7-12 F- 196 Lassen Dry Lake Lassen <National> Forest, Grass Valley 1694 Comment
  UC1609242  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1993-7-8 5651 Lassen 1.9 mi n ow Hwy 44, on se edge of Poison Lake (Pittville Road) 1709 Comment
  CHSC60917  Myosurus apetalus var. borealis Vernon H. Oswald; Lowell Ahart 1993-7-8 5651 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Along the edge of a wet pool on the E side of the railroad, which parallels the lake shore at this point. 1709 Comment
  CHSC60903  Nama densa var. densa Vernon H. Oswald; Lowell Ahart 1993-7-8 5658 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. 1709 Comment
  UC1609382  Nama densa var. densa Vernon H. Oswald and Lowell Ahart 1993-7-8 5658 Lassen Pittville Road (Lassen 111, 36N01) 1.9 mi n of Highway 44 (on se edge of Poison Lake); se edge Poison Lake, Pittville Road 1709 Comment
  CHSC23862  Navarretia breweri K. R. Stern 1974-6-26 5856 Lassen Ditch bank beside railroad track, e side of Poison Lake Rd. to Pittville, 1.8 mi nw of intersection with Hwy. 44. Comment
  CHSC26881  Navarretia divaricata K. R. Stern 1974-6-26 5863 Lassen 100 yds. s of Hwy. 44, 34 mi nw of Susanville. Meadow. Comment
  CHSC34347  Navarretia intertexta subsp. propinqua K. R. Stern 1974-6-26 5854 Lassen Ditch bank beside Railroad track, e side of Poison Lake Rd. to Pittville, 1.8 mi nw of intersection with Hwy. 44. Comment
  CHSC23853  Navarretia leucocephala subsp. minima Glenda Foster 1975-7-12 100 Lassen At margins of Poison Lake, along road to Pitville, ca. 0.2 mi from Hwy. 44, past railroad tracks. Comment
  CHSC34342  Navarretia leucocephala subsp. minima K. R. Stern 1974-6-26 5853 Lassen Ca. 0.2 mi n of Hwy. 44, on Pittville Rd. Comment
  UC909114  Navarretia linearifolia subsp. linearifolia G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4009 Lassen 5 mi se Black's Mtn Experimental Range; Grass Valley, Black's Mtn Experimental Range 1676 Comment
  CHSC61157  Nemophila pedunculata Vernon H. Oswald; Lowell Ahart 1993-5-12 5389 Lassen Hwy. 44 between Poison Lake and A21 (to Westwood), 1.6 mi SE of Pittsville Rd. In a sagebrush scrub meadow on the S side of the road. 1719 Comment
  UC1069208  Nemophila pedunculata A. Simontacchi 1940-5-14 713 Lassen 10.2 mi e Coyote Spring; Halls Flat Quad., Lassen National Forest, e of Coyote Spring Comment
  UC1609375  Nemophila pedunculata Vernon Oswald and Lowell Ahart 1993-5-12 5389 Lassen 1.6 mi se Pittsville Rd. (Hwy 44 between Poison Lake and A21 (to Westwood)); betw Poison Lake and A21 1719 Comment
  OBI77201  Persicaria amphibia Anthony Baniaga 2011-7-23 517 Lassen Lassen NF. Poison Lake. Poison Lake quad T32N R7E sec 4 1707 Comment
  JEPS91153  Phlox douglasii subsp. rigida Dean W. Taylor 1974-6-14 3715 Lassen Poison Lake, on Hwy 44 ca. 2 miles W from the junction with Pittville Road 1615 Comment
  UC1137650  Phlox douglasii subsp. rigida A. Simontacchi 1940-5-17 744 Lassen 5.7 mi ssw Patterson Mtn.; Lassen National Forest, Halls Flat Quad. 1706 Comment
  OBI77067  Phlox hoodii subsp. canescens Anthony Baniaga 2011-6-7 311 Lassen Lassen NF. NW area of Grays Valley, just S of intersection of 33N11 and 32N83Y. Poison Lake quad T32N R7E sec 11 SW of NE 1747 Comment
  CHSC61141  Phoenicaulis cheiranthoides Vernon H. Oswald; Lowell Ahart 1993-5-12 5386 Lassen Hwy. 44 between Poison Lake and A21 (to Westwood), 1.6 mi SE of Pittsville Rd. In a meadow on the N side of the road. 1719 Comment
  UC1609187  Phoenicaulis cheiranthoides Vernon H. Oswald and Lowell Ahart 1993-5-12 5386 Lassen 1.6 mi se of Pittsville Road (Hwy 44 between Poison Lake and A21 (to Westwood) on n side of road) 1719 Comment
  CHSC60871  Pilularia americana Vernon H. Oswald; Lowell Ahart 1993-7-8 5648 Lassen Pittville Rd. (Lassen 111, 36N01) near its intersection with 33N11, 0.4 mi N of Hwy. 44, near the SE end of Poison Lake. 1709 Comment
  UC1609393  Pilularia americana Vernon H. Oswald and Lowell Ahart 1993-7-8 5648 Lassen near se end Poison Lake (Pittville Rd.(Lassen 111, 36N01) near its intersection with 33N11, 0.4 mi n of Hwy. 44) 1709 Comment
  RSA123889  Plagiobothrys bracteatus A. Simontacchi 1940-5-14 715 Lassen 10.2 miles east of Coyote Springs 1700 Comment
  CHSC110772  Plagiobothrys hispidus Dean Wm. Taylor 2012-7-18 21274 Lassen Pumice flat nestled in the cones about 2 miles South of the south end Poison Lake (along Highway 44). 1783 Comment
  CHSC60881  Plagiobothrys hispidus Vernon H. Oswald; Lowell Ahart 1993-7-8 5655 Lassen Pittville Rd. (Lassen 111, 36N01) 1.9 mi N of Hwy. 44, on the SE edge of Poison Lake. Along a low, stony ridge between the railroad and the lake. 1709 Comment
  JEPS87508  Plagiobothrys hispidus Vernon H. Oswald and Lowell Ahart 1993-7-8 5655 Lassen se edge Poison Lake (Pittville Road (Lassen 111, 36N01) 1.9 mi n of Highway 44, stony ridge between the R.R. and the lake); se edge Poison Lake 1709 Comment
  UC1609214  Plagiobothrys hispidus Vernon H. Oswald and Lowell Ahart 1993-7-8 5655 Lassen se edge Poison Lake (Pittville Road (Lassen 111, 36N01) 1.9 mi n of Highway 44, stony ridge between the R.R. and the lake); se edge Poison Lake 1709 Comment
  UC1560401  Plagiobothrys mollis E. Joyal and D. Mehlman 1988-6-27 1286 Lassen Poison Lake 2000 Comment
  CAS-BOT-BC423310  Plagiobothrys mollis var. mollis Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-28 751 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. 1700 Comment
  UC1132870  Poa cusickii subsp. cusickii A. Simontacchi 1940-5-17 746 Lassen 5.9 mi s Patterson Mt; Lassen Nat'l Forest, Halls Flat Quadrangle Comment
  UC699670  Poa secunda subsp. juncifolia Gus Hormay 1944-7-2 Lassen Halls Flat Comment
  UC1132876  Poa secunda subsp. secunda A. Simontacchi 1940-5-17 737 Lassen 5.9 mi s Patterson Mt; Lassen Nat'l Forest, Halls Flat Quadrangle Comment
  UC1132880  Poa secunda subsp. secunda A. Simontacchi 1940-5-17 734 Lassen 5.7 mi ssw Patterson Mt; Lassen Nat'l Forest, Halls Flat Quadrangle Comment
  UC1132881  Poa secunda subsp. secunda A. Simontacchi 1940-5-14 719 Lassen 10.2 mi e Coyote Spring; Lassen Nat'l Forest, Halls Flat Quadrangle Comment
  UC1136990  Poa secunda subsp. secunda George A. Fischer and Irwin H. Johnson 1933-7-12 F 206 Lassen Grass Valley; Lassen Nat'l Forest 1699 Comment
  UC506999  Poa secunda subsp. secunda George A. Fischer and Irwin H. Johnson 1933-7-12 F 206 Lassen Grass Valley; Lassen Nat'l Forest 1699 Comment
  UC1136918  Polygonum George A. Fischer, Irwin H. Johnson 1933-7-12 F 192 Lassen Lassen National Forest, (Dry Lake), Grass Valley Dry Lake; Lassen National Forest, , Grass Valley 1694 Comment
  UC507010  Polygonum George A. Fischer, Irwin H. Johnson 1933-7-12 F 192 Lassen Lassen National Forest, (Dry Lake), Grass Valley Dry Lake; Lassen National Forest, , Grass Valley 1694 Comment
  UC1136193  Polygonum bistortoides A. Simontacchi 1940-5-17 741 Lassen 5.9 mi s Patterson Mtn.; Lassen National Forest, Halls Flat Quadrangle Comment
  CHSC60933  Potamogeton diversifolius Vernon H. Oswald; Lowell Ahart 1993-7-8 5666 Lassen Pittville Rd. (Lassen 111, 36N01) 2.4 mi N of Hwy. 44, on the NE edge of Poison Lake. 1705 Comment
  UC1609364  Potamogeton diversifolius Vernon H. Oswald and Lowell Ahart 1993-7-8 5666 Lassen ne edge of Poison Lake (2.4 mi n of Hwy 44, Pittville Road (Lassen 111, 36N01)) 1705 Comment
  OBI77555  Potamogeton natans Anthony Baniaga 2011-7-23 458 Lassen Lassen Natl Forest. Poison Lake. Poison Lake quad. T32N R7E sec 4 1700 Comment
  OBI77552  Potentilla biennis Anthony Baniaga 2011-7-23 460 Lassen Lassen Natl Forest. Poison Lake. Poison Lake quad. T32N R7E sec 4 1700 Comment
  UC1136905  Potentilla gracilis George A. Fischer and Irwin H. Johnson 1933-7-12 F 208 Lassen Grass Valley Lassen National Forest, Grass Valley 1700 Comment
  UC506995  Potentilla gracilis George A. Fischer and Irwin H. Johnson 1933-7-12 F 208 Lassen Grass Valley Lassen National Forest, Grass Valley 1700 Comment
  UC1128271  Potentilla millefolia A. Simontacchi 1940-5-17 743 Lassen 5.9 mi s Patterson Mtn.; Lassen National Forest, Halls Flat Quad. 1706 Comment
  CHSC60880  Pyrrocoma carthamoides var. cusickii Vernon H. Oswald; Lowell Ahart 1993-7-8 5667 Lassen Pittville Rd. (Lassen 111, 36N01) 3.0 mi N of Hwy. 44, NE of Poison Lake. 1709 Comment
  UC1609363  Pyrrocoma carthamoides var. cusickii Vernon H. Oswald and Lowell Ahart 1993-7-8 5667 Lassen Pittville Rd (Lassen 111, 36N01) 3.0 mi n Hwy 44 (ne of Poison Lake) 1709 Comment
  SEINET10535979  Ranunculus occidentalis Mary Merello 1993-6-28 Merello 749 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. 1700 Comment
  CAS-BOT-BC109328  Rumex paucifolius Geo. A. Fisher 1928-6-23 32 Lassen Halls Flat. 1615 Comment
  UC1608991  Saxifraga nidifica var. nidifica Vernon H. Oswald and Lowell Ahart 1993-5-12 5388 Lassen 1.6 mi se of Pittsville Road (Hwy 44 between Poiston Lake and A21 (to Westwood)) 1719 Comment
  CAS-BOT-BC214257  Scutellaria nana Clarence R. Quick 1964-8-1 64 -92 Lassen Cal Mt. east of Poison Lake 1767 Comment
  RSA201224  Scutellaria nana Clarence R. Quick 1964-8-1 64 -92 Lassen Cal Mt. east of Poison Lake. 1768 Comment
  SEINET10499152  Scutellaria nana Mary Merello 1993-6-28 Merello 750 Lassen Lassen National Forest, Poison Lake. Along Hwy. 44 just south of the Hwy. 89, Hwy. 44 intersection. Open pine-scrub and wetlands around lake. Volcanic soils. 1700 Comment
  UC1609093  Scutellaria nana Vernon H. Oswald and Lowell Ahart 1993-7-8 5653 Lassen on se edge of Poison Lake (Pittville Rd. (Lassen 111, 36N01) 1.9 mi n of Hwy 44) 1709 Comment
  OBI76982  Senecio integerrimus var. exaltatus Anthony Baniaga 2011-6-20 384 Lassen Lassen Natl Forest. Windy Gap Well vicinity. Harvey Mtn quad T32N R8e sec 6 NE of SW 1675 Comment
  UC1063253  Senecio integerrimus var. exaltatus A. Simontacchi 1940-5-15 712 Lassen 10.2 mi e Coyote Spring; Lassen National Forest, Halls Flat Quad. 1699 Comment
  UC477505  Sisyrinchium bellum Geo. A. Fisher 1928-6-23 30 Lassen Halls Flat 1615 Comment
  CAS-BOT-BC322925  Stephanomeria tenuifolia Clarence R. Quick 1964-8-5 64 -95 Lassen Cal Mt. east of Poison Lake 1767 Comment
  CHSC83620  Symphoricarpos rotundifolius var. rotundifolius L. P. Janeway 2001-6-28 7236 Lassen High Cascade Range. Southwest flank of Cone Mountain, 0.5 km southwest of the summit; along Road 33N41Y 0.5 km southeast of Road 33N41YD. 1955 Comment
  JEPS89944  Taraxia tanacetifolia Dean W. Taylor 1974-6-14 3713 Lassen on Hwy. 44 ca. 2 mi. w. from junction w/ Pittville Rd. (Poison Lake); Modoc Plateau, Poison Lake 1615 Comment
  UC1122296  Taraxia tanacetifolia Robert W. Gardner 1937-6-26 G- 27 Lassen Poison Lake Halls Flat Quadrangle Comment
  UC1143007  Taraxia tanacetifolia August L. Hormay 1934-5-14 Lassen Poison Lake Lassen <National> Forest 1706 Comment
  UC1136972  Tetradymia canescens George A. Fischer and Irwin H. Johnson 1933-8-26 F 279 Lassen n border Grass Valley; Lassen Forest 1676 Comment
  JEPS90108  Tragopogon dubius Dean W. Taylor 1974-6-14 3706 Lassen Poison Lake, on Highway 44 ca. 2 miles west from the junction with Pittville Road. 914 Comment
  CHSC60928  Triglochin scilloides Vernon H. Oswald; Lowell Ahart 1993-7-8 5645 Lassen Pittville Rd. (Lassen 111, 36N01) near its intersection with 33N11, 0.4 mi N of Hwy. 44, near the SE end of Poison Lake. Beds of drainages and pools in meadow. 1709 Comment
  UC1731085  Vicia americana var. americana Dean W. Taylor 1974-6-14 3709 Lassen Poison Lake, on Hwy 44 ca. 2 miles W from the junction with Pittville Road 1615 Comment
  UC1121558  Viola beckwithii A. Simontacchi 1940-5-17 731 Lassen 5.7 mi ssw of Patterson Mountain; Lassen National Forest 1706 Comment



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